diff options
Diffstat (limited to 'firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP')
71 files changed, 0 insertions, 25941 deletions
diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dhcp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dhcp.c deleted file mode 100644 index 8ef6c84..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dhcp.c +++ /dev/null @@ -1,1724 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Dynamic Host Configuration Protocol client - * - */ - -/* - * - * Copyright (c) 2001-2004 Leon Woestenberg <leon.woestenberg@gmx.net> - * Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. - * - * Author: Leon Woestenberg <leon.woestenberg@gmx.net> - * - * This is a DHCP client for the lwIP TCP/IP stack. It aims to conform - * with RFC 2131 and RFC 2132. - * - * TODO: - * - Proper parsing of DHCP messages exploiting file/sname field overloading. - * - Add JavaDoc style documentation (API, internals). - * - Support for interfaces other than Ethernet (SLIP, PPP, ...) - * - * Please coordinate changes and requests with Leon Woestenberg - * <leon.woestenberg@gmx.net> - * - * Integration with your code: - * - * In lwip/dhcp.h - * #define DHCP_COARSE_TIMER_SECS (recommended 60 which is a minute) - * #define DHCP_FINE_TIMER_MSECS (recommended 500 which equals TCP coarse timer) - * - * Then have your application call dhcp_coarse_tmr() and - * dhcp_fine_tmr() on the defined intervals. - * - * dhcp_start(struct netif *netif); - * starts a DHCP client instance which configures the interface by - * obtaining an IP address lease and maintaining it. - * - * Use dhcp_release(netif) to end the lease and use dhcp_stop(netif) - * to remove the DHCP client. - * - */ - -#include "lwip/opt.h" - -#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/stats.h" -#include "lwip/mem.h" -#include "lwip/udp.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/inet.h" -#include "lwip/sys.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "lwip/dns.h" -#include "netif/etharp.h" - -#include <string.h> - -/** Default for DHCP_GLOBAL_XID is 0xABCD0000 - * This can be changed by defining DHCP_GLOBAL_XID and DHCP_GLOBAL_XID_HEADER, e.g. - * #define DHCP_GLOBAL_XID_HEADER "stdlib.h" - * #define DHCP_GLOBAL_XID rand() - */ -#ifdef DHCP_GLOBAL_XID_HEADER -#include DHCP_GLOBAL_XID_HEADER /* include optional starting XID generation prototypes */ -#endif - -/** DHCP_OPTION_MAX_MSG_SIZE is set to the MTU - * MTU is checked to be big enough in dhcp_start */ -#define DHCP_MAX_MSG_LEN(netif) (netif->mtu) -#define DHCP_MAX_MSG_LEN_MIN_REQUIRED 576 -/** Minimum length for reply before packet is parsed */ -#define DHCP_MIN_REPLY_LEN 44 - -#define REBOOT_TRIES 2 - -/* DHCP client state machine functions */ -static void dhcp_handle_ack(struct netif *netif); -static void dhcp_handle_nak(struct netif *netif); -static void dhcp_handle_offer(struct netif *netif); - -static err_t dhcp_discover(struct netif *netif); -static err_t dhcp_select(struct netif *netif); -static void dhcp_bind(struct netif *netif); -#if DHCP_DOES_ARP_CHECK -static void dhcp_check(struct netif *netif); -static err_t dhcp_decline(struct netif *netif); -#endif /* DHCP_DOES_ARP_CHECK */ -static err_t dhcp_rebind(struct netif *netif); -static err_t dhcp_reboot(struct netif *netif); -static void dhcp_set_state(struct dhcp *dhcp, u8_t new_state); - -/* receive, unfold, parse and free incoming messages */ -static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, u16_t port); -static err_t dhcp_unfold_reply(struct dhcp *dhcp, struct pbuf *p); -static u8_t *dhcp_get_option_ptr(struct dhcp *dhcp, u8_t option_type); -static u8_t dhcp_get_option_byte(u8_t *ptr); -#if 0 -static u16_t dhcp_get_option_short(u8_t *ptr); -#endif -static u32_t dhcp_get_option_long(u8_t *ptr); -static void dhcp_free_reply(struct dhcp *dhcp); - -/* set the DHCP timers */ -static void dhcp_timeout(struct netif *netif); -static void dhcp_t1_timeout(struct netif *netif); -static void dhcp_t2_timeout(struct netif *netif); - -/* build outgoing messages */ -/* create a DHCP request, fill in common headers */ -static err_t dhcp_create_request(struct netif *netif); -/* free a DHCP request */ -static void dhcp_delete_request(struct netif *netif); -/* add a DHCP option (type, then length in bytes) */ -static void dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len); -/* add option values */ -static void dhcp_option_byte(struct dhcp *dhcp, u8_t value); -static void dhcp_option_short(struct dhcp *dhcp, u16_t value); -static void dhcp_option_long(struct dhcp *dhcp, u32_t value); -/* always add the DHCP options trailer to end and pad */ -static void dhcp_option_trailer(struct dhcp *dhcp); - -/** - * Back-off the DHCP client (because of a received NAK response). - * - * Back-off the DHCP client because of a received NAK. Receiving a - * NAK means the client asked for something non-sensible, for - * example when it tries to renew a lease obtained on another network. - * - * We clear any existing set IP address and restart DHCP negotiation - * afresh (as per RFC2131 3.2.3). - * - * @param netif the netif under DHCP control - */ -static void -dhcp_handle_nak(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_nak(netif=%p) %c%c%"U16_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - /* Set the interface down since the address must no longer be used, as per RFC2131 */ - netif_set_down(netif); - /* remove IP address from interface */ - netif_set_ipaddr(netif, IP_ADDR_ANY); - netif_set_gw(netif, IP_ADDR_ANY); - netif_set_netmask(netif, IP_ADDR_ANY); - /* Change to a defined state */ - dhcp_set_state(dhcp, DHCP_BACKING_OFF); - /* We can immediately restart discovery */ - dhcp_discover(netif); -} - -#if DHCP_DOES_ARP_CHECK -/** - * Checks if the offered IP address is already in use. - * - * It does so by sending an ARP request for the offered address and - * entering CHECKING state. If no ARP reply is received within a small - * interval, the address is assumed to be free for use by us. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_check(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_check(netif=%p) %c%c\n", (void *)netif, (s16_t)netif->name[0], - (s16_t)netif->name[1])); - dhcp_set_state(dhcp, DHCP_CHECKING); - /* create an ARP query for the offered IP address, expecting that no host - responds, as the IP address should not be in use. */ - result = etharp_query(netif, &dhcp->offered_ip_addr, NULL); - if (result != ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_check: could not perform ARP query\n")); - } - dhcp->tries++; - msecs = 500; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_check(): set request timeout %"U16_F" msecs\n", msecs)); -} -#endif /* DHCP_DOES_ARP_CHECK */ - -/** - * Remember the configuration offered by a DHCP server. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_handle_offer(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - /* obtain the server address */ - u8_t *option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_SERVER_ID); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_handle_offer(netif=%p) %c%c%"U16_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - if (option_ptr != NULL) { - dhcp->server_ip_addr.addr = htonl(dhcp_get_option_long(&option_ptr[2])); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): server 0x%08"X32_F"\n", dhcp->server_ip_addr.addr)); - /* remember offered address */ - ip_addr_set(&dhcp->offered_ip_addr, (struct ip_addr *)&dhcp->msg_in->yiaddr); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_handle_offer(): offer for 0x%08"X32_F"\n", dhcp->offered_ip_addr.addr)); - - dhcp_select(netif); - } -} - -/** - * Select a DHCP server offer out of all offers. - * - * Simply select the first offer received. - * - * @param netif the netif under DHCP control - * @return lwIP specific error (see error.h) - */ -static err_t -dhcp_select(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; -#if LWIP_NETIF_HOSTNAME - const char *p; -#endif /* LWIP_NETIF_HOSTNAME */ - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_select(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - dhcp_set_state(dhcp, DHCP_REQUESTING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_REQUEST); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - - /* MUST request the offered IP address */ - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); - - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr)); - - dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 4/*num options*/); - dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK); - dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST); - dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER); - -#if LWIP_NETIF_HOSTNAME - p = (const char*)netif->hostname; - if (p != NULL) { - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, strlen(p)); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - - dhcp_option_trailer(dhcp); - /* shrink the pbuf to the actual content length */ - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* send broadcast to any DHCP server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_select: REQUESTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("dhcp_select: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_select(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * The DHCP timer that checks for lease renewal/rebind timeouts. - * - */ -void -dhcp_coarse_tmr() -{ - struct netif *netif = netif_list; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_coarse_tmr()\n")); - /* iterate through all network interfaces */ - while (netif != NULL) { - /* only act on DHCP configured interfaces */ - if (netif->dhcp != NULL) { - /* timer is active (non zero), and triggers (zeroes) now? */ - if (netif->dhcp->t2_timeout-- == 1) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t2 timeout\n")); - /* this clients' rebind timeout triggered */ - dhcp_t2_timeout(netif); - /* timer is active (non zero), and triggers (zeroes) now */ - } else if (netif->dhcp->t1_timeout-- == 1) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_coarse_tmr(): t1 timeout\n")); - /* this clients' renewal timeout triggered */ - dhcp_t1_timeout(netif); - } - } - /* proceed to next netif */ - netif = netif->next; - } -} - -/** - * DHCP transaction timeout handling - * - * A DHCP server is expected to respond within a short period of time. - * This timer checks whether an outstanding DHCP request is timed out. - * - */ -void -dhcp_fine_tmr() -{ - struct netif *netif = netif_list; - /* loop through netif's */ - while (netif != NULL) { - /* only act on DHCP configured interfaces */ - if (netif->dhcp != NULL) { - /* timer is active (non zero), and is about to trigger now */ - if (netif->dhcp->request_timeout > 1) { - netif->dhcp->request_timeout--; - } - else if (netif->dhcp->request_timeout == 1) { - netif->dhcp->request_timeout--; - /* { netif->dhcp->request_timeout == 0 } */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_fine_tmr(): request timeout\n")); - /* this clients' request timeout triggered */ - dhcp_timeout(netif); - } - } - /* proceed to next network interface */ - netif = netif->next; - } -} - -/** - * A DHCP negotiation transaction, or ARP request, has timed out. - * - * The timer that was started with the DHCP or ARP request has - * timed out, indicating no response was received in time. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout()\n")); - /* back-off period has passed, or server selection timed out */ - if ((dhcp->state == DHCP_BACKING_OFF) || (dhcp->state == DHCP_SELECTING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_timeout(): restarting discovery\n")); - dhcp_discover(netif); - /* receiving the requested lease timed out */ - } else if (dhcp->state == DHCP_REQUESTING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, DHCP request timed out\n")); - if (dhcp->tries <= 5) { - dhcp_select(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REQUESTING, releasing, restarting\n")); - dhcp_release(netif); - dhcp_discover(netif); - } -#if DHCP_DOES_ARP_CHECK - /* received no ARP reply for the offered address (which is good) */ - } else if (dhcp->state == DHCP_CHECKING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): CHECKING, ARP request timed out\n")); - if (dhcp->tries <= 1) { - dhcp_check(netif); - /* no ARP replies on the offered address, - looks like the IP address is indeed free */ - } else { - /* bind the interface to the offered address */ - dhcp_bind(netif); - } -#endif /* DHCP_DOES_ARP_CHECK */ - } - /* did not get response to renew request? */ - else if (dhcp->state == DHCP_RENEWING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RENEWING, DHCP request timed out\n")); - /* just retry renewal */ - /* note that the rebind timer will eventually time-out if renew does not work */ - dhcp_renew(netif); - /* did not get response to rebind request? */ - } else if (dhcp->state == DHCP_REBINDING) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): REBINDING, DHCP request timed out\n")); - if (dhcp->tries <= 8) { - dhcp_rebind(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_timeout(): RELEASING, DISCOVERING\n")); - dhcp_release(netif); - dhcp_discover(netif); - } - } else if (dhcp->state == DHCP_REBOOTING) { - if (dhcp->tries < REBOOT_TRIES) { - dhcp_reboot(netif); - } else { - dhcp_discover(netif); - } - } -} - -/** - * The renewal period has timed out. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_t1_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_t1_timeout()\n")); - if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) || (dhcp->state == DHCP_RENEWING)) { - /* just retry to renew - note that the rebind timer (t2) will - * eventually time-out if renew tries fail. */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_t1_timeout(): must renew\n")); - dhcp_renew(netif); - } -} - -/** - * The rebind period has timed out. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_t2_timeout(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_t2_timeout()\n")); - if ((dhcp->state == DHCP_REQUESTING) || (dhcp->state == DHCP_BOUND) || (dhcp->state == DHCP_RENEWING)) { - /* just retry to rebind */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_t2_timeout(): must rebind\n")); - dhcp_rebind(netif); - } -} - -/** - * Handle a DHCP ACK packet - * - * @param netif the netif under DHCP control - */ -static void -dhcp_handle_ack(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - u8_t *option_ptr; - /* clear options we might not get from the ACK */ - dhcp->offered_sn_mask.addr = 0; - dhcp->offered_gw_addr.addr = 0; - dhcp->offered_bc_addr.addr = 0; - - /* lease time given? */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_LEASE_TIME); - if (option_ptr != NULL) { - /* remember offered lease time */ - dhcp->offered_t0_lease = dhcp_get_option_long(option_ptr + 2); - } - /* renewal period given? */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_T1); - if (option_ptr != NULL) { - /* remember given renewal period */ - dhcp->offered_t1_renew = dhcp_get_option_long(option_ptr + 2); - } else { - /* calculate safe periods for renewal */ - dhcp->offered_t1_renew = dhcp->offered_t0_lease / 2; - } - - /* renewal period given? */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_T2); - if (option_ptr != NULL) { - /* remember given rebind period */ - dhcp->offered_t2_rebind = dhcp_get_option_long(option_ptr + 2); - } else { - /* calculate safe periods for rebinding */ - dhcp->offered_t2_rebind = dhcp->offered_t0_lease; - } - - /* (y)our internet address */ - ip_addr_set(&dhcp->offered_ip_addr, &dhcp->msg_in->yiaddr); - -/** - * Patch #1308 - * TODO: we must check if the file field is not overloaded by DHCP options! - */ -#if 0 - /* boot server address */ - ip_addr_set(&dhcp->offered_si_addr, &dhcp->msg_in->siaddr); - /* boot file name */ - if (dhcp->msg_in->file[0]) { - dhcp->boot_file_name = mem_malloc(strlen(dhcp->msg_in->file) + 1); - strcpy(dhcp->boot_file_name, dhcp->msg_in->file); - } -#endif - - /* subnet mask */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_SUBNET_MASK); - /* subnet mask given? */ - if (option_ptr != NULL) { - dhcp->offered_sn_mask.addr = htonl(dhcp_get_option_long(&option_ptr[2])); - } - - /* gateway router */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_ROUTER); - if (option_ptr != NULL) { - dhcp->offered_gw_addr.addr = htonl(dhcp_get_option_long(&option_ptr[2])); - } - - /* broadcast address */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_BROADCAST); - if (option_ptr != NULL) { - dhcp->offered_bc_addr.addr = htonl(dhcp_get_option_long(&option_ptr[2])); - } - - /* DNS servers */ - option_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_DNS_SERVER); - if (option_ptr != NULL) { - u8_t n; - dhcp->dns_count = dhcp_get_option_byte(&option_ptr[1]) / (u32_t)sizeof(struct ip_addr); - /* limit to at most DHCP_MAX_DNS DNS servers */ - if (dhcp->dns_count > DHCP_MAX_DNS) - dhcp->dns_count = DHCP_MAX_DNS; - for (n = 0; n < dhcp->dns_count; n++) { - dhcp->offered_dns_addr[n].addr = htonl(dhcp_get_option_long(&option_ptr[2 + n * 4])); -#if LWIP_DNS - dns_setserver( n, (struct ip_addr *)(&(dhcp->offered_dns_addr[n].addr))); -#endif /* LWIP_DNS */ - } -#if LWIP_DNS - dns_setserver( n, (struct ip_addr *)(&ip_addr_any)); -#endif /* LWIP_DNS */ - } -} - -/** - * Start DHCP negotiation for a network interface. - * - * If no DHCP client instance was attached to this interface, - * a new client is created first. If a DHCP client instance - * was already present, it restarts negotiation. - * - * @param netif The lwIP network interface - * @return lwIP error code - * - ERR_OK - No error - * - ERR_MEM - Out of memory - */ -err_t -dhcp_start(struct netif *netif) -{ - struct dhcp *dhcp; - err_t result = ERR_OK; - - LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;); - dhcp = netif->dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - /* Remove the flag that says this netif is handled by DHCP, - it is set when we succeeded starting. */ - netif->flags &= ~NETIF_FLAG_DHCP; - - /* check MTU of the netif */ - if (netif->mtu < DHCP_MAX_MSG_LEN_MIN_REQUIRED) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): Cannot use this netif with DHCP: MTU is too small\n")); - return ERR_MEM; - } - - /* no DHCP client attached yet? */ - if (dhcp == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting new DHCP client\n")); - dhcp = mem_malloc(sizeof(struct dhcp)); - if (dhcp == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): could not allocate dhcp\n")); - return ERR_MEM; - } - /* store this dhcp client in the netif */ - netif->dhcp = dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): allocated dhcp")); - /* already has DHCP client attached */ - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_start(): restarting DHCP configuration\n")); - if (dhcp->pcb != NULL) { - udp_remove(dhcp->pcb); - } - LWIP_ASSERT("pbuf p_out wasn't freed", dhcp->p_out == NULL); - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL && - dhcp->options_in == NULL && dhcp->options_in_len == 0); - } - - /* clear data structure */ - memset(dhcp, 0, sizeof(struct dhcp)); - /* allocate UDP PCB */ - dhcp->pcb = udp_new(); - if (dhcp->pcb == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): could not obtain pcb\n")); - mem_free((void *)dhcp); - netif->dhcp = dhcp = NULL; - return ERR_MEM; - } -#if IP_SOF_BROADCAST - dhcp->pcb->so_options|=SOF_BROADCAST; -#endif /* IP_SOF_BROADCAST */ - /* set up local and remote port for the pcb */ - udp_bind(dhcp->pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT); - udp_connect(dhcp->pcb, IP_ADDR_ANY, DHCP_SERVER_PORT); - /* set up the recv callback and argument */ - udp_recv(dhcp->pcb, dhcp_recv, netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_start(): starting DHCP configuration\n")); - /* (re)start the DHCP negotiation */ - result = dhcp_discover(netif); - if (result != ERR_OK) { - /* free resources allocated above */ - dhcp_stop(netif); - return ERR_MEM; - } - /* Set the flag that says this netif is handled by DHCP. */ - netif->flags |= NETIF_FLAG_DHCP; - return result; -} - -/** - * Inform a DHCP server of our manual configuration. - * - * This informs DHCP servers of our fixed IP address configuration - * by sending an INFORM message. It does not involve DHCP address - * configuration, it is just here to be nice to the network. - * - * @param netif The lwIP network interface - */ -void -dhcp_inform(struct netif *netif) -{ - struct dhcp *dhcp, *old_dhcp; - err_t result = ERR_OK; - dhcp = mem_malloc(sizeof(struct dhcp)); - if (dhcp == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform(): could not allocate dhcp\n")); - return; - } - memset(dhcp, 0, sizeof(struct dhcp)); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_inform(): allocated dhcp\n")); - dhcp->pcb = udp_new(); - if (dhcp->pcb == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform(): could not obtain pcb")); - goto free_dhcp_and_return; - } - old_dhcp = netif->dhcp; - netif->dhcp = dhcp; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_inform(): created new udp pcb\n")); - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_INFORM); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - -#if IP_SOF_BROADCAST - dhcp->pcb->so_options|=SOF_BROADCAST; -#endif /* IP_SOF_BROADCAST */ - udp_bind(dhcp->pcb, IP_ADDR_ANY, DHCP_CLIENT_PORT); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_inform: INFORMING\n")); - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_inform: could not allocate DHCP request\n")); - } - - udp_remove(dhcp->pcb); - dhcp->pcb = NULL; - netif->dhcp = old_dhcp; -free_dhcp_and_return: - mem_free((void *)dhcp); -} - -/** Handle a possible change in the network configuration. - * - * This enters the REBOOTING state to verify that the currently bound - * address is still valid. - */ -void -dhcp_network_changed(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - if (!dhcp) - return; - switch (dhcp->state) { - case DHCP_REBINDING: - case DHCP_RENEWING: - case DHCP_BOUND: - case DHCP_REBOOTING: - netif_set_down(netif); - dhcp->tries = 0; - dhcp_reboot(netif); - break; - case DHCP_OFF: - /* stay off */ - break; - default: - dhcp->tries = 0; - dhcp_discover(netif); - break; - } -} - -#if DHCP_DOES_ARP_CHECK -/** - * Match an ARP reply with the offered IP address. - * - * @param netif the network interface on which the reply was received - * @param addr The IP address we received a reply from - */ -void dhcp_arp_reply(struct netif *netif, struct ip_addr *addr) -{ - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_arp_reply()\n")); - /* is a DHCP client doing an ARP check? */ - if ((netif->dhcp != NULL) && (netif->dhcp->state == DHCP_CHECKING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_arp_reply(): CHECKING, arp reply for 0x%08"X32_F"\n", addr->addr)); - /* did a host respond with the address we - were offered by the DHCP server? */ - if (ip_addr_cmp(addr, &netif->dhcp->offered_ip_addr)) { - /* we will not accept the offered address */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("dhcp_arp_reply(): arp reply matched with offered address, declining\n")); - dhcp_decline(netif); - } - } -} - -/** - * Decline an offered lease. - * - * Tell the DHCP server we do not accept the offered address. - * One reason to decline the lease is when we find out the address - * is already in use by another host (through ARP). - * - * @param netif the netif under DHCP control - */ -static err_t -dhcp_decline(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result = ERR_OK; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline()\n")); - dhcp_set_state(dhcp, DHCP_BACKING_OFF); - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_DECLINE); - - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); - - dhcp_option_trailer(dhcp); - /* resize pbuf to reflect true size of options */ - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* per section 4.4.4, broadcast DECLINE messages */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_decline: BACKING OFF\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_decline: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = 10*1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_decline(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} -#endif - - -/** - * Start the DHCP process, discover a DHCP server. - * - * @param netif the netif under DHCP control - */ -static err_t -dhcp_discover(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result = ERR_OK; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover()\n")); - ip_addr_set(&dhcp->offered_ip_addr, IP_ADDR_ANY); - dhcp_set_state(dhcp, DHCP_SELECTING); - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: making request\n")); - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_DISCOVER); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - - dhcp_option(dhcp, DHCP_OPTION_PARAMETER_REQUEST_LIST, 4/*num options*/); - dhcp_option_byte(dhcp, DHCP_OPTION_SUBNET_MASK); - dhcp_option_byte(dhcp, DHCP_OPTION_ROUTER); - dhcp_option_byte(dhcp, DHCP_OPTION_BROADCAST); - dhcp_option_byte(dhcp, DHCP_OPTION_DNS_SERVER); - - dhcp_option_trailer(dhcp); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: realloc()ing\n")); - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: sendto(DISCOVER, IP_ADDR_BROADCAST, DHCP_SERVER_PORT)\n")); - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_discover: deleting()ing\n")); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover: SELECTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_discover: could not allocate DHCP request\n")); - } - dhcp->tries++; -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->tries >= LWIP_DHCP_AUTOIP_COOP_TRIES && dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_OFF) { - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_ON; - autoip_start(netif); - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - msecs = (dhcp->tries < 6 ? 1 << dhcp->tries : 60) * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_discover(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - - -/** - * Bind the interface to the offered IP address. - * - * @param netif network interface to bind to the offered address - */ -static void -dhcp_bind(struct netif *netif) -{ - u32_t timeout; - struct dhcp *dhcp; - struct ip_addr sn_mask, gw_addr; - LWIP_ERROR("dhcp_bind: netif != NULL", (netif != NULL), return;); - dhcp = netif->dhcp; - LWIP_ERROR("dhcp_bind: dhcp != NULL", (dhcp != NULL), return;); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num)); - - /* temporary DHCP lease? */ - if (dhcp->offered_t1_renew != 0xffffffffUL) { - /* set renewal period timer */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t1 renewal timer %"U32_F" secs\n", dhcp->offered_t1_renew)); - timeout = (dhcp->offered_t1_renew + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS; - if(timeout > 0xffff) { - timeout = 0xffff; - } - dhcp->t1_timeout = (u16_t)timeout; - if (dhcp->t1_timeout == 0) { - dhcp->t1_timeout = 1; - } - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t1_renew*1000)); - } - /* set renewal period timer */ - if (dhcp->offered_t2_rebind != 0xffffffffUL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_bind(): t2 rebind timer %"U32_F" secs\n", dhcp->offered_t2_rebind)); - timeout = (dhcp->offered_t2_rebind + DHCP_COARSE_TIMER_SECS / 2) / DHCP_COARSE_TIMER_SECS; - if(timeout > 0xffff) { - timeout = 0xffff; - } - dhcp->t2_timeout = (u16_t)timeout; - if (dhcp->t2_timeout == 0) { - dhcp->t2_timeout = 1; - } - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_bind(): set request timeout %"U32_F" msecs\n", dhcp->offered_t2_rebind*1000)); - } - /* copy offered network mask */ - ip_addr_set(&sn_mask, &dhcp->offered_sn_mask); - - /* subnet mask not given? */ - /* TODO: this is not a valid check. what if the network mask is 0? */ - if (sn_mask.addr == 0) { - /* choose a safe subnet mask given the network class */ - u8_t first_octet = ip4_addr1(&sn_mask); - if (first_octet <= 127) { - sn_mask.addr = htonl(0xff000000); - } else if (first_octet >= 192) { - sn_mask.addr = htonl(0xffffff00); - } else { - sn_mask.addr = htonl(0xffff0000); - } - } - - ip_addr_set(&gw_addr, &dhcp->offered_gw_addr); - /* gateway address not given? */ - if (gw_addr.addr == 0) { - /* copy network address */ - gw_addr.addr = (dhcp->offered_ip_addr.addr & sn_mask.addr); - /* use first host address on network as gateway */ - gw_addr.addr |= htonl(0x00000001); - } - -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) { - autoip_stop(netif); - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF; - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): IP: 0x%08"X32_F"\n", dhcp->offered_ip_addr.addr)); - netif_set_ipaddr(netif, &dhcp->offered_ip_addr); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): SN: 0x%08"X32_F"\n", sn_mask.addr)); - netif_set_netmask(netif, &sn_mask); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_STATE, ("dhcp_bind(): GW: 0x%08"X32_F"\n", gw_addr.addr)); - netif_set_gw(netif, &gw_addr); - /* bring the interface up */ - netif_set_up(netif); - /* netif is now bound to DHCP leased address */ - dhcp_set_state(dhcp, DHCP_BOUND); -} - -/** - * Renew an existing DHCP lease at the involved DHCP server. - * - * @param netif network interface which must renew its lease - */ -err_t -dhcp_renew(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; -#if LWIP_NETIF_HOSTNAME - const char *p; -#endif /* LWIP_NETIF_HOSTNAME */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_renew()\n")); - dhcp_set_state(dhcp, DHCP_RENEWING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_REQUEST); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - -#if LWIP_NETIF_HOSTNAME - p = (const char*)netif->hostname; - if (p != NULL) { - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, strlen(p)); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - -#if 0 - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); -#endif - -#if 0 - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr)); -#endif - /* append DHCP message trailer */ - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew: RENEWING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_renew: could not allocate DHCP request\n")); - } - dhcp->tries++; - /* back-off on retries, but to a maximum of 20 seconds */ - msecs = dhcp->tries < 10 ? dhcp->tries * 2000 : 20 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_renew(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * Rebind with a DHCP server for an existing DHCP lease. - * - * @param netif network interface which must rebind with a DHCP server - */ -static err_t -dhcp_rebind(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; -#if LWIP_NETIF_HOSTNAME - const char *p; -#endif /* LWIP_NETIF_HOSTNAME */ - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind()\n")); - dhcp_set_state(dhcp, DHCP_REBINDING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_REQUEST); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, DHCP_MAX_MSG_LEN(netif)); - -#if LWIP_NETIF_HOSTNAME - p = (const char*)netif->hostname; - if (p != NULL) { - dhcp_option(dhcp, DHCP_OPTION_HOSTNAME, strlen(p)); - while (*p) { - dhcp_option_byte(dhcp, *p++); - } - } -#endif /* LWIP_NETIF_HOSTNAME */ - -#if 0 - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); - - dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4); - dhcp_option_long(dhcp, ntohl(dhcp->server_ip_addr.addr)); -#endif - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* broadcast to server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind: REBINDING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_rebind: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_rebind(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - -/** - * Enter REBOOTING state to verify an existing lease - * - * @param netif network interface which must reboot - */ -static err_t -dhcp_reboot(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot()\n")); - dhcp_set_state(dhcp, DHCP_REBOOTING); - - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_REQUEST); - - dhcp_option(dhcp, DHCP_OPTION_MAX_MSG_SIZE, DHCP_OPTION_MAX_MSG_SIZE_LEN); - dhcp_option_short(dhcp, 576); - - dhcp_option(dhcp, DHCP_OPTION_REQUESTED_IP, 4); - dhcp_option_long(dhcp, ntohl(dhcp->offered_ip_addr.addr)); - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - /* broadcast to server */ - udp_sendto_if(dhcp->pcb, dhcp->p_out, IP_ADDR_BROADCAST, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot: REBOOTING\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_reboot: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_reboot(): set request timeout %"U16_F" msecs\n", msecs)); - return result; -} - - -/** - * Release a DHCP lease. - * - * @param netif network interface which must release its lease - */ -err_t -dhcp_release(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - err_t result; - u16_t msecs; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_release()\n")); - - /* idle DHCP client */ - dhcp_set_state(dhcp, DHCP_OFF); - /* clean old DHCP offer */ - dhcp->server_ip_addr.addr = 0; - dhcp->offered_ip_addr.addr = dhcp->offered_sn_mask.addr = 0; - dhcp->offered_gw_addr.addr = dhcp->offered_bc_addr.addr = 0; - dhcp->offered_t0_lease = dhcp->offered_t1_renew = dhcp->offered_t2_rebind = 0; - dhcp->dns_count = 0; - - /* create and initialize the DHCP message header */ - result = dhcp_create_request(netif); - if (result == ERR_OK) { - dhcp_option(dhcp, DHCP_OPTION_MESSAGE_TYPE, DHCP_OPTION_MESSAGE_TYPE_LEN); - dhcp_option_byte(dhcp, DHCP_RELEASE); - - dhcp_option_trailer(dhcp); - - pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len); - - udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif); - dhcp_delete_request(netif); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release: RELEASED, DHCP_OFF\n")); - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("dhcp_release: could not allocate DHCP request\n")); - } - dhcp->tries++; - msecs = dhcp->tries < 10 ? dhcp->tries * 1000 : 10 * 1000; - dhcp->request_timeout = (msecs + DHCP_FINE_TIMER_MSECS - 1) / DHCP_FINE_TIMER_MSECS; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release(): set request timeout %"U16_F" msecs\n", msecs)); - /* bring the interface down */ - netif_set_down(netif); - /* remove IP address from interface */ - netif_set_ipaddr(netif, IP_ADDR_ANY); - netif_set_gw(netif, IP_ADDR_ANY); - netif_set_netmask(netif, IP_ADDR_ANY); - - /* TODO: netif_down(netif); */ - return result; -} - -/** - * Remove the DHCP client from the interface. - * - * @param netif The network interface to stop DHCP on - */ -void -dhcp_stop(struct netif *netif) -{ - struct dhcp *dhcp = netif->dhcp; - LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;); - /* Remove the flag that says this netif is handled by DHCP. */ - netif->flags &= ~NETIF_FLAG_DHCP; - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_stop()\n")); - /* netif is DHCP configured? */ - if (dhcp != NULL) { -#if LWIP_DHCP_AUTOIP_COOP - if(dhcp->autoip_coop_state == DHCP_AUTOIP_COOP_STATE_ON) { - autoip_stop(netif); - dhcp->autoip_coop_state = DHCP_AUTOIP_COOP_STATE_OFF; - } -#endif /* LWIP_DHCP_AUTOIP_COOP */ - - if (dhcp->pcb != NULL) { - udp_remove(dhcp->pcb); - dhcp->pcb = NULL; - } - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL && - dhcp->options_in == NULL && dhcp->options_in_len == 0); - mem_free((void *)dhcp); - netif->dhcp = NULL; - } -} - -/* - * Set the DHCP state of a DHCP client. - * - * If the state changed, reset the number of tries. - * - * TODO: we might also want to reset the timeout here? - */ -static void -dhcp_set_state(struct dhcp *dhcp, u8_t new_state) -{ - if (new_state != dhcp->state) { - dhcp->state = new_state; - dhcp->tries = 0; - } -} - -/* - * Concatenate an option type and length field to the outgoing - * DHCP message. - * - */ -static void -dhcp_option(struct dhcp *dhcp, u8_t option_type, u8_t option_len) -{ - LWIP_ASSERT("dhcp_option: dhcp->options_out_len + 2 + option_len <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U + option_len <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = option_type; - dhcp->msg_out->options[dhcp->options_out_len++] = option_len; -} -/* - * Concatenate a single byte to the outgoing DHCP message. - * - */ -static void -dhcp_option_byte(struct dhcp *dhcp, u8_t value) -{ - LWIP_ASSERT("dhcp_option_byte: dhcp->options_out_len < DHCP_OPTIONS_LEN", dhcp->options_out_len < DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = value; -} - -static void -dhcp_option_short(struct dhcp *dhcp, u16_t value) -{ - LWIP_ASSERT("dhcp_option_short: dhcp->options_out_len + 2 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 2U <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff00U) >> 8); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t) (value & 0x00ffU); -} - -static void -dhcp_option_long(struct dhcp *dhcp, u32_t value) -{ - LWIP_ASSERT("dhcp_option_long: dhcp->options_out_len + 4 <= DHCP_OPTIONS_LEN", dhcp->options_out_len + 4U <= DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0xff000000UL) >> 24); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x00ff0000UL) >> 16); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x0000ff00UL) >> 8); - dhcp->msg_out->options[dhcp->options_out_len++] = (u8_t)((value & 0x000000ffUL)); -} - -/** - * Extract the DHCP message and the DHCP options. - * - * Extract the DHCP message and the DHCP options, each into a contiguous - * piece of memory. As a DHCP message is variable sized by its options, - * and also allows overriding some fields for options, the easy approach - * is to first unfold the options into a conitguous piece of memory, and - * use that further on. - * - */ -static err_t -dhcp_unfold_reply(struct dhcp *dhcp, struct pbuf *p) -{ - u16_t ret; - LWIP_ERROR("dhcp != NULL", (dhcp != NULL), return ERR_ARG;); - /* free any left-overs from previous unfolds */ - dhcp_free_reply(dhcp); - /* options present? */ - if (p->tot_len > (sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN)) { - dhcp->options_in_len = p->tot_len - (sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN); - dhcp->options_in = mem_malloc(dhcp->options_in_len); - if (dhcp->options_in == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_unfold_reply(): could not allocate dhcp->options\n")); - dhcp->options_in_len = 0; - return ERR_MEM; - } - } - dhcp->msg_in = mem_malloc(sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN); - if (dhcp->msg_in == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_unfold_reply(): could not allocate dhcp->msg_in\n")); - if (dhcp->options_in != NULL) { - mem_free(dhcp->options_in); - dhcp->options_in = NULL; - dhcp->options_in_len = 0; - } - return ERR_MEM; - } - - /** copy the DHCP message without options */ - ret = pbuf_copy_partial(p, dhcp->msg_in, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN, 0); - LWIP_ASSERT("ret == sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN", ret == sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_unfold_reply(): copied %"U16_F" bytes into dhcp->msg_in[]\n", - sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN)); - - if (dhcp->options_in != NULL) { - /** copy the DHCP options */ - ret = pbuf_copy_partial(p, dhcp->options_in, dhcp->options_in_len, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN); - LWIP_ASSERT("ret == dhcp->options_in_len", ret == dhcp->options_in_len); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_unfold_reply(): copied %"U16_F" bytes to dhcp->options_in[]\n", - dhcp->options_in_len)); - } - LWIP_UNUSED_ARG(ret); - return ERR_OK; -} - -/** - * Free the incoming DHCP message including contiguous copy of - * its DHCP options. - */ -static void dhcp_free_reply(struct dhcp *dhcp) -{ - if (dhcp->msg_in != NULL) { - mem_free((void *)dhcp->msg_in); - dhcp->msg_in = NULL; - } - if (dhcp->options_in) { - mem_free(dhcp->options_in); - dhcp->options_in = NULL; - dhcp->options_in_len = 0; - } - LWIP_DEBUGF(DHCP_DEBUG, ("dhcp_free_reply(): free'd\n")); -} - -/** - * If an incoming DHCP message is in response to us, then trigger the state machine - */ -static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, u16_t port) -{ - struct netif *netif = (struct netif *)arg; - struct dhcp *dhcp = netif->dhcp; - struct dhcp_msg *reply_msg = (struct dhcp_msg *)p->payload; - u8_t *options_ptr; - u8_t msg_type; - u8_t i; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_recv(pbuf = %p) from DHCP server %"U16_F".%"U16_F".%"U16_F".%"U16_F" port %"U16_F"\n", (void*)p, - (u16_t)(ntohl(addr->addr) >> 24 & 0xff), (u16_t)(ntohl(addr->addr) >> 16 & 0xff), - (u16_t)(ntohl(addr->addr) >> 8 & 0xff), (u16_t)(ntohl(addr->addr) & 0xff), port)); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->len = %"U16_F"\n", p->len)); - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("pbuf->tot_len = %"U16_F"\n", p->tot_len)); - /* prevent warnings about unused arguments */ - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); - - LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL && - dhcp->options_in == NULL && dhcp->options_in_len == 0); - - if (p->len < DHCP_MIN_REPLY_LEN) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP reply message too short\n")); - goto free_pbuf_and_return; - } - - if (reply_msg->op != DHCP_BOOTREPLY) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("not a DHCP reply message, but type %"U16_F"\n", (u16_t)reply_msg->op)); - goto free_pbuf_and_return; - } - /* iterate through hardware address and match against DHCP message */ - for (i = 0; i < netif->hwaddr_len; i++) { - if (netif->hwaddr[i] != reply_msg->chaddr[i]) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("netif->hwaddr[%"U16_F"]==%02"X16_F" != reply_msg->chaddr[%"U16_F"]==%02"X16_F"\n", - (u16_t)i, (u16_t)netif->hwaddr[i], (u16_t)i, (u16_t)reply_msg->chaddr[i])); - goto free_pbuf_and_return; - } - } - /* match transaction ID against what we expected */ - if (ntohl(reply_msg->xid) != dhcp->xid) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("transaction id mismatch reply_msg->xid(%"X32_F")!=dhcp->xid(%"X32_F")\n",ntohl(reply_msg->xid),dhcp->xid)); - goto free_pbuf_and_return; - } - /* option fields could be unfold? */ - if (dhcp_unfold_reply(dhcp, p) != ERR_OK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("problem unfolding DHCP message - too short on memory?\n")); - goto free_pbuf_and_return; - } - - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("searching DHCP_OPTION_MESSAGE_TYPE\n")); - /* obtain pointer to DHCP message type */ - options_ptr = dhcp_get_option_ptr(dhcp, DHCP_OPTION_MESSAGE_TYPE); - if (options_ptr == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("DHCP_OPTION_MESSAGE_TYPE option not found\n")); - goto free_pbuf_and_return; - } - - /* read DHCP message type */ - msg_type = dhcp_get_option_byte(options_ptr + 2); - /* message type is DHCP ACK? */ - if (msg_type == DHCP_ACK) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_ACK received\n")); - /* in requesting state? */ - if (dhcp->state == DHCP_REQUESTING) { - dhcp_handle_ack(netif); - dhcp->request_timeout = 0; -#if DHCP_DOES_ARP_CHECK - /* check if the acknowledged lease address is already in use */ - dhcp_check(netif); -#else - /* bind interface to the acknowledged lease address */ - dhcp_bind(netif); -#endif - } - /* already bound to the given lease address? */ - else if ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING)) { - dhcp->request_timeout = 0; - dhcp_bind(netif); - } - } - /* received a DHCP_NAK in appropriate state? */ - else if ((msg_type == DHCP_NAK) && - ((dhcp->state == DHCP_REBOOTING) || (dhcp->state == DHCP_REQUESTING) || - (dhcp->state == DHCP_REBINDING) || (dhcp->state == DHCP_RENEWING ))) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_NAK received\n")); - dhcp->request_timeout = 0; - dhcp_handle_nak(netif); - } - /* received a DHCP_OFFER in DHCP_SELECTING state? */ - else if ((msg_type == DHCP_OFFER) && (dhcp->state == DHCP_SELECTING)) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("DHCP_OFFER received in DHCP_SELECTING state\n")); - dhcp->request_timeout = 0; - /* remember offered lease */ - dhcp_handle_offer(netif); - } -free_pbuf_and_return: - dhcp_free_reply(dhcp); - pbuf_free(p); -} - -/** - * Create a DHCP request, fill in common headers - * - * @param netif the netif under DHCP control - */ -static err_t -dhcp_create_request(struct netif *netif) -{ - struct dhcp *dhcp; - u16_t i; -#ifndef DHCP_GLOBAL_XID - /** default global transaction identifier starting value (easy to match - * with a packet analyser). We simply increment for each new request. - * Predefine DHCP_GLOBAL_XID to a better value or a function call to generate one - * at runtime, any supporting function prototypes can be defined in DHCP_GLOBAL_XID_HEADER */ - static u32_t xid = 0xABCD0000; -#else - static u32_t xid; - static u8_t xid_initialised = 0; - if (!xid_initialised) { - xid = DHCP_GLOBAL_XID; - xid_initialised = !xid_initialised; - } -#endif - LWIP_ERROR("dhcp_create_request: netif != NULL", (netif != NULL), return ERR_ARG;); - dhcp = netif->dhcp; - LWIP_ERROR("dhcp_create_request: dhcp != NULL", (dhcp != NULL), return ERR_VAL;); - LWIP_ASSERT("dhcp_create_request: dhcp->p_out == NULL", dhcp->p_out == NULL); - LWIP_ASSERT("dhcp_create_request: dhcp->msg_out == NULL", dhcp->msg_out == NULL); - dhcp->p_out = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct dhcp_msg), PBUF_RAM); - if (dhcp->p_out == NULL) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("dhcp_create_request(): could not allocate pbuf\n")); - return ERR_MEM; - } - LWIP_ASSERT("dhcp_create_request: check that first pbuf can hold struct dhcp_msg", - (dhcp->p_out->len >= sizeof(struct dhcp_msg))); - - /* reuse transaction identifier in retransmissions */ - if (dhcp->tries==0) - xid++; - dhcp->xid = xid; - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, - ("transaction id xid(%"X32_F")\n", xid)); - - dhcp->msg_out = (struct dhcp_msg *)dhcp->p_out->payload; - - dhcp->msg_out->op = DHCP_BOOTREQUEST; - /* TODO: make link layer independent */ - dhcp->msg_out->htype = DHCP_HTYPE_ETH; - /* TODO: make link layer independent */ - dhcp->msg_out->hlen = DHCP_HLEN_ETH; - dhcp->msg_out->hops = 0; - dhcp->msg_out->xid = htonl(dhcp->xid); - dhcp->msg_out->secs = 0; - dhcp->msg_out->flags = 0; - dhcp->msg_out->ciaddr.addr = 0; - if (dhcp->state==DHCP_BOUND || dhcp->state==DHCP_RENEWING || dhcp->state==DHCP_REBINDING) { - dhcp->msg_out->ciaddr.addr = netif->ip_addr.addr; - } - dhcp->msg_out->yiaddr.addr = 0; - dhcp->msg_out->siaddr.addr = 0; - dhcp->msg_out->giaddr.addr = 0; - for (i = 0; i < DHCP_CHADDR_LEN; i++) { - /* copy netif hardware address, pad with zeroes */ - dhcp->msg_out->chaddr[i] = (i < netif->hwaddr_len) ? netif->hwaddr[i] : 0/* pad byte*/; - } - for (i = 0; i < DHCP_SNAME_LEN; i++) { - dhcp->msg_out->sname[i] = 0; - } - for (i = 0; i < DHCP_FILE_LEN; i++) { - dhcp->msg_out->file[i] = 0; - } - dhcp->msg_out->cookie = htonl(0x63825363UL); - dhcp->options_out_len = 0; - /* fill options field with an incrementing array (for debugging purposes) */ - for (i = 0; i < DHCP_OPTIONS_LEN; i++) { - dhcp->msg_out->options[i] = (u8_t)i; /* for debugging only, no matter if truncated */ - } - return ERR_OK; -} - -/** - * Free previously allocated memory used to send a DHCP request. - * - * @param netif the netif under DHCP control - */ -static void -dhcp_delete_request(struct netif *netif) -{ - struct dhcp *dhcp; - LWIP_ERROR("dhcp_delete_request: netif != NULL", (netif != NULL), return;); - dhcp = netif->dhcp; - LWIP_ERROR("dhcp_delete_request: dhcp != NULL", (dhcp != NULL), return;); - LWIP_ASSERT("dhcp_delete_request: dhcp->p_out != NULL", dhcp->p_out != NULL); - LWIP_ASSERT("dhcp_delete_request: dhcp->msg_out != NULL", dhcp->msg_out != NULL); - if (dhcp->p_out != NULL) { - pbuf_free(dhcp->p_out); - } - dhcp->p_out = NULL; - dhcp->msg_out = NULL; -} - -/** - * Add a DHCP message trailer - * - * Adds the END option to the DHCP message, and if - * necessary, up to three padding bytes. - * - * @param dhcp DHCP state structure - */ -static void -dhcp_option_trailer(struct dhcp *dhcp) -{ - LWIP_ERROR("dhcp_option_trailer: dhcp != NULL", (dhcp != NULL), return;); - LWIP_ASSERT("dhcp_option_trailer: dhcp->msg_out != NULL\n", dhcp->msg_out != NULL); - LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN); - dhcp->msg_out->options[dhcp->options_out_len++] = DHCP_OPTION_END; - /* packet is too small, or not 4 byte aligned? */ - while ((dhcp->options_out_len < DHCP_MIN_OPTIONS_LEN) || (dhcp->options_out_len & 3)) { - /* LWIP_DEBUGF(DHCP_DEBUG,("dhcp_option_trailer:dhcp->options_out_len=%"U16_F", DHCP_OPTIONS_LEN=%"U16_F, dhcp->options_out_len, DHCP_OPTIONS_LEN)); */ - LWIP_ASSERT("dhcp_option_trailer: dhcp->options_out_len < DHCP_OPTIONS_LEN\n", dhcp->options_out_len < DHCP_OPTIONS_LEN); - /* add a fill/padding byte */ - dhcp->msg_out->options[dhcp->options_out_len++] = 0; - } -} - -/** - * Find the offset of a DHCP option inside the DHCP message. - * - * @param dhcp DHCP client - * @param option_type - * - * @return a byte offset into the UDP message where the option was found, or - * zero if the given option was not found. - */ -static u8_t *dhcp_get_option_ptr(struct dhcp *dhcp, u8_t option_type) -{ - u8_t overload = DHCP_OVERLOAD_NONE; - - /* options available? */ - if ((dhcp->options_in != NULL) && (dhcp->options_in_len > 0)) { - /* start with options field */ - u8_t *options = (u8_t *)dhcp->options_in; - u16_t offset = 0; - /* at least 1 byte to read and no end marker, then at least 3 bytes to read? */ - while ((offset < dhcp->options_in_len) && (options[offset] != DHCP_OPTION_END)) { - /* LWIP_DEBUGF(DHCP_DEBUG, ("msg_offset=%"U16_F", q->len=%"U16_F, msg_offset, q->len)); */ - /* are the sname and/or file field overloaded with options? */ - if (options[offset] == DHCP_OPTION_OVERLOAD) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded message detected\n")); - /* skip option type and length */ - offset += 2; - overload = options[offset++]; - } - /* requested option found */ - else if (options[offset] == option_type) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("option found at offset %"U16_F" in options\n", offset)); - return &options[offset]; - /* skip option */ - } else { - LWIP_DEBUGF(DHCP_DEBUG, ("skipping option %"U16_F" in options\n", options[offset])); - /* skip option type */ - offset++; - /* skip option length, and then length bytes */ - offset += 1 + options[offset]; - } - } - /* is this an overloaded message? */ - if (overload != DHCP_OVERLOAD_NONE) { - u16_t field_len; - if (overload == DHCP_OVERLOAD_FILE) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded file field\n")); - options = (u8_t *)&dhcp->msg_in->file; - field_len = DHCP_FILE_LEN; - } else if (overload == DHCP_OVERLOAD_SNAME) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname field\n")); - options = (u8_t *)&dhcp->msg_in->sname; - field_len = DHCP_SNAME_LEN; - /* TODO: check if else if () is necessary */ - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("overloaded sname and file field\n")); - options = (u8_t *)&dhcp->msg_in->sname; - field_len = DHCP_FILE_LEN + DHCP_SNAME_LEN; - } - offset = 0; - - /* at least 1 byte to read and no end marker */ - while ((offset < field_len) && (options[offset] != DHCP_OPTION_END)) { - if (options[offset] == option_type) { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("option found at offset=%"U16_F"\n", offset)); - return &options[offset]; - /* skip option */ - } else { - LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("skipping option %"U16_F"\n", options[offset])); - /* skip option type */ - offset++; - offset += 1 + options[offset]; - } - } - } - } - return NULL; -} - -/** - * Return the byte of DHCP option data. - * - * @param client DHCP client. - * @param ptr pointer obtained by dhcp_get_option_ptr(). - * - * @return byte value at the given address. - */ -static u8_t -dhcp_get_option_byte(u8_t *ptr) -{ - LWIP_DEBUGF(DHCP_DEBUG, ("option byte value=%"U16_F"\n", (u16_t)(*ptr))); - return *ptr; -} - -#if 0 /* currently unused */ -/** - * Return the 16-bit value of DHCP option data. - * - * @param client DHCP client. - * @param ptr pointer obtained by dhcp_get_option_ptr(). - * - * @return byte value at the given address. - */ -static u16_t -dhcp_get_option_short(u8_t *ptr) -{ - u16_t value; - value = *ptr++ << 8; - value |= *ptr; - LWIP_DEBUGF(DHCP_DEBUG, ("option short value=%"U16_F"\n", value)); - return value; -} -#endif - -/** - * Return the 32-bit value of DHCP option data. - * - * @param client DHCP client. - * @param ptr pointer obtained by dhcp_get_option_ptr(). - * - * @return byte value at the given address. - */ -static u32_t dhcp_get_option_long(u8_t *ptr) -{ - u32_t value; - value = (u32_t)(*ptr++) << 24; - value |= (u32_t)(*ptr++) << 16; - value |= (u32_t)(*ptr++) << 8; - value |= (u32_t)(*ptr++); - LWIP_DEBUGF(DHCP_DEBUG, ("option long value=%"U32_F"\n", value)); - return value; -} - -#endif /* LWIP_DHCP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dns.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dns.c deleted file mode 100644 index 62ccf63..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/dns.c +++ /dev/null @@ -1,982 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * DNS - host name to IP address resolver. - * - */ - -/** - - * This file implements a DNS host name to IP address resolver. - - * Port to lwIP from uIP - * by Jim Pettinato April 2007 - - * uIP version Copyright (c) 2002-2003, Adam Dunkels. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * - * DNS.C - * - * The lwIP DNS resolver functions are used to lookup a host name and - * map it to a numerical IP address. It maintains a list of resolved - * hostnames that can be queried with the dns_lookup() function. - * New hostnames can be resolved using the dns_query() function. - * - * The lwIP version of the resolver also adds a non-blocking version of - * gethostbyname() that will work with a raw API application. This function - * checks for an IP address string first and converts it if it is valid. - * gethostbyname() then does a dns_lookup() to see if the name is - * already in the table. If so, the IP is returned. If not, a query is - * issued and the function returns with a ERR_INPROGRESS status. The app - * using the dns client must then go into a waiting state. - * - * Once a hostname has been resolved (or found to be non-existent), - * the resolver code calls a specified callback function (which - * must be implemented by the module that uses the resolver). - */ - -/*----------------------------------------------------------------------------- - * RFC 1035 - Domain names - implementation and specification - * RFC 2181 - Clarifications to the DNS Specification - *----------------------------------------------------------------------------*/ - -/** @todo: define good default values (rfc compliance) */ -/** @todo: improve answer parsing, more checkings... */ -/** @todo: check RFC1035 - 7.3. Processing responses */ - -/*----------------------------------------------------------------------------- - * Includes - *----------------------------------------------------------------------------*/ - -#include "lwip/opt.h" - -#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/udp.h" -#include "lwip/mem.h" -#include "lwip/dns.h" - -#include <string.h> - -/** DNS server IP address */ -#ifndef DNS_SERVER_ADDRESS -#define DNS_SERVER_ADDRESS inet_addr("208.67.222.222") /* resolver1.opendns.com */ -#endif - -/** DNS server port address */ -#ifndef DNS_SERVER_PORT -#define DNS_SERVER_PORT 53 -#endif - -/** DNS maximum number of retries when asking for a name, before "timeout". */ -#ifndef DNS_MAX_RETRIES -#define DNS_MAX_RETRIES 4 -#endif - -/** DNS resource record max. TTL (one week as default) */ -#ifndef DNS_MAX_TTL -#define DNS_MAX_TTL 604800 -#endif - -/* DNS protocol flags */ -#define DNS_FLAG1_RESPONSE 0x80 -#define DNS_FLAG1_OPCODE_STATUS 0x10 -#define DNS_FLAG1_OPCODE_INVERSE 0x08 -#define DNS_FLAG1_OPCODE_STANDARD 0x00 -#define DNS_FLAG1_AUTHORATIVE 0x04 -#define DNS_FLAG1_TRUNC 0x02 -#define DNS_FLAG1_RD 0x01 -#define DNS_FLAG2_RA 0x80 -#define DNS_FLAG2_ERR_MASK 0x0f -#define DNS_FLAG2_ERR_NONE 0x00 -#define DNS_FLAG2_ERR_NAME 0x03 - -/* DNS protocol states */ -#define DNS_STATE_UNUSED 0 -#define DNS_STATE_NEW 1 -#define DNS_STATE_ASKING 2 -#define DNS_STATE_DONE 3 - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** DNS message header */ -struct dns_hdr { - PACK_STRUCT_FIELD(u16_t id); - PACK_STRUCT_FIELD(u8_t flags1); - PACK_STRUCT_FIELD(u8_t flags2); - PACK_STRUCT_FIELD(u16_t numquestions); - PACK_STRUCT_FIELD(u16_t numanswers); - PACK_STRUCT_FIELD(u16_t numauthrr); - PACK_STRUCT_FIELD(u16_t numextrarr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif -#define SIZEOF_DNS_HDR 12 - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** DNS query message structure */ -struct dns_query { - /* DNS query record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */ - PACK_STRUCT_FIELD(u16_t type); - PACK_STRUCT_FIELD(u16_t class); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif -#define SIZEOF_DNS_QUERY 4 - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** DNS answer message structure */ -struct dns_answer { - /* DNS answer record starts with either a domain name or a pointer - to a name already present somewhere in the packet. */ - PACK_STRUCT_FIELD(u16_t type); - PACK_STRUCT_FIELD(u16_t class); - PACK_STRUCT_FIELD(u32_t ttl); - PACK_STRUCT_FIELD(u16_t len); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif -#define SIZEOF_DNS_ANSWER 10 - -/** DNS table entry */ -struct dns_table_entry { - u8_t state; - u8_t numdns; - u8_t tmr; - u8_t retries; - u8_t seqno; - u8_t err; - u32_t ttl; - char name[DNS_MAX_NAME_LENGTH]; - struct ip_addr ipaddr; - /* pointer to callback on DNS query done */ - dns_found_callback found; - void *arg; -}; - -#if DNS_LOCAL_HOSTLIST -/** struct used for local host-list */ -struct local_hostlist_entry { - /** static hostname */ - const char *name; - /** static host address in network byteorder */ - u32_t addr; - struct local_hostlist_entry *next; -}; - -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC -/** Local host-list. For hostnames in this list, no - * external name resolution is performed */ -static struct local_hostlist_entry *local_hostlist_dynamic; -#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -/** Defining this allows the local_hostlist_static to be placed in a different - * linker section (e.g. FLASH) */ -#ifndef DNS_LOCAL_HOSTLIST_STORAGE_PRE -#define DNS_LOCAL_HOSTLIST_STORAGE_PRE static -#endif /* DNS_LOCAL_HOSTLIST_STORAGE_PRE */ -/** Defining this allows the local_hostlist_static to be placed in a different - * linker section (e.g. FLASH) */ -#ifndef DNS_LOCAL_HOSTLIST_STORAGE_POST -#define DNS_LOCAL_HOSTLIST_STORAGE_POST -#endif /* DNS_LOCAL_HOSTLIST_STORAGE_POST */ -DNS_LOCAL_HOSTLIST_STORAGE_PRE struct local_hostlist_entry local_hostlist_static[] - DNS_LOCAL_HOSTLIST_STORAGE_POST = DNS_LOCAL_HOSTLIST_INIT; - -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -static void dns_init_local(); -#endif /* DNS_LOCAL_HOSTLIST */ - - -/* forward declarations */ -static void dns_recv(void *s, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, u16_t port); -static void dns_check_entries(void); - -/*----------------------------------------------------------------------------- - * Globales - *----------------------------------------------------------------------------*/ - -/* DNS variables */ -static struct udp_pcb *dns_pcb; -static u8_t dns_seqno; -static struct dns_table_entry dns_table[DNS_TABLE_SIZE]; -static struct ip_addr dns_servers[DNS_MAX_SERVERS]; - -#if (DNS_USES_STATIC_BUF == 1) -static u8_t dns_payload[DNS_MSG_SIZE]; -#endif /* (DNS_USES_STATIC_BUF == 1) */ - -/** - * Initialize the resolver: set up the UDP pcb and configure the default server - * (DNS_SERVER_ADDRESS). - */ -void -dns_init() -{ - struct ip_addr dnsserver; - - /* initialize default DNS server address */ - dnsserver.addr = DNS_SERVER_ADDRESS; - - LWIP_DEBUGF(DNS_DEBUG, ("dns_init: initializing\n")); - - /* if dns client not yet initialized... */ - if (dns_pcb == NULL) { - dns_pcb = udp_new(); - - if (dns_pcb != NULL) { - /* initialize DNS table not needed (initialized to zero since it is a - * global variable) */ - LWIP_ASSERT("For implicit initialization to work, DNS_STATE_UNUSED needs to be 0", - DNS_STATE_UNUSED == 0); - - /* initialize DNS client */ - udp_bind(dns_pcb, IP_ADDR_ANY, 0); - udp_recv(dns_pcb, dns_recv, NULL); - - /* initialize default DNS primary server */ - dns_setserver(0, &dnsserver); - } - } -#if DNS_LOCAL_HOSTLIST - dns_init_local(); -#endif -} - -/** - * Initialize one of the DNS servers. - * - * @param numdns the index of the DNS server to set must be < DNS_MAX_SERVERS - * @param dnsserver IP address of the DNS server to set - */ -void -dns_setserver(u8_t numdns, struct ip_addr *dnsserver) -{ - if ((numdns < DNS_MAX_SERVERS) && (dns_pcb != NULL) && - (dnsserver != NULL) && (dnsserver->addr !=0 )) { - dns_servers[numdns] = (*dnsserver); - } -} - -/** - * Obtain one of the currently configured DNS server. - * - * @param numdns the index of the DNS server - * @return IP address of the indexed DNS server or "ip_addr_any" if the DNS - * server has not been configured. - */ -struct ip_addr -dns_getserver(u8_t numdns) -{ - if (numdns < DNS_MAX_SERVERS) { - return dns_servers[numdns]; - } else { - return *IP_ADDR_ANY; - } -} - -/** - * The DNS resolver client timer - handle retries and timeouts and should - * be called every DNS_TMR_INTERVAL milliseconds (every second by default). - */ -void -dns_tmr(void) -{ - if (dns_pcb != NULL) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_tmr: dns_check_entries\n")); - dns_check_entries(); - } -} - -#if DNS_LOCAL_HOSTLIST -static void -dns_init_local() -{ -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT) - int i; - struct local_hostlist_entry *entry; - /* Dynamic: copy entries from DNS_LOCAL_HOSTLIST_INIT to list */ - struct local_hostlist_entry local_hostlist_init[] = DNS_LOCAL_HOSTLIST_INIT; - for (i = 0; i < sizeof(local_hostlist_init) / sizeof(struct local_hostlist_entry); i++) { - entry = mem_malloc(sizeof(struct local_hostlist_entry)); - LWIP_ASSERT("mem-error in dns_init_local", entry != NULL); - if (entry != NULL) { - struct local_hostlist_entry *init_entry = &local_hostlist_init[i]; - entry->name = init_entry->name; - entry->addr = init_entry->addr; - entry->next = local_hostlist_dynamic; - local_hostlist_dynamic = entry; - } - } -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC && defined(DNS_LOCAL_HOSTLIST_INIT) */ -} - -/** - * Scans the local host-list for a hostname. - * - * @param hostname Hostname to look for in the local host-list - * @return The first IP address for the hostname in the local host-list or - * INADDR_NONE if not found. - */ -static u32_t -dns_lookup_local(const char *hostname) -{ -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC - struct local_hostlist_entry *entry = local_hostlist_dynamic; - while(entry != NULL) { - if(strcmp(entry->name, hostname) == 0) { - return entry->addr; - } - entry = entry->next; - } -#else /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - int i; - for (i = 0; i < sizeof(local_hostlist_static) / sizeof(struct local_hostlist_entry); i++) { - if(strcmp(local_hostlist_static[i].name, hostname) == 0) { - return local_hostlist_static[i].addr; - } - } -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - return INADDR_NONE; -} - -#if DNS_LOCAL_HOSTLIST_IS_DYNAMIC -/** Remove all entries from the local host-list for a specific hostname - * and/or IP addess - * - * @param hostname hostname for which entries shall be removed from the local - * host-list - * @param addr address for which entries shall be removed from the local host-list - * @return the number of removed entries - */ -int -dns_local_removehost(const char *hostname, const struct ip_addr *addr) -{ - int removed = 0; - struct local_hostlist_entry *entry = local_hostlist_dynamic; - struct local_hostlist_entry *last_entry = NULL; - while (entry != NULL) { - if (((hostname == NULL) || !strcmp(entry->name, hostname)) && - ((addr == NULL) || (entry->addr == addr->addr))) { - struct local_hostlist_entry *free_entry; - if (last_entry != NULL) { - last_entry->next = entry->next; - } else { - local_hostlist_dynamic = entry->next; - } - free_entry = entry; - entry = entry->next; - mem_free(free_entry); - removed++; - } else { - last_entry = entry; - entry = entry->next; - } - } - return removed; -} - -/** - * Add a hostname/IP address pair to the local host-list. - * Duplicates are not checked. - * - * @param hostname hostname of the new entry - * @param addr IP address of the new entry - * @return ERR_OK if succeeded or ERR_MEM on memory error - */ -err_t -dns_local_addhost(const char *hostname, const struct ip_addr *addr) -{ - struct local_hostlist_entry *entry; - entry = mem_malloc(sizeof(struct local_hostlist_entry)); - if (entry == NULL) { - return ERR_MEM; - } - entry->name = hostname; - entry->addr = addr->addr; - entry->next = local_hostlist_dynamic; - local_hostlist_dynamic = entry; - return ERR_OK; -} -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC*/ -#endif /* DNS_LOCAL_HOSTLIST */ - -/** - * Look up a hostname in the array of known hostnames. - * - * @note This function only looks in the internal array of known - * hostnames, it does not send out a query for the hostname if none - * was found. The function dns_enqueue() can be used to send a query - * for a hostname. - * - * @param name the hostname to look up - * @return the hostname's IP address, as u32_t (instead of struct ip_addr to - * better check for failure: != INADDR_NONE) or INADDR_NONE if the hostname - * was not found in the cached dns_table. - */ -static u32_t -dns_lookup(const char *name) -{ - u8_t i; -#if DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN) - u32_t addr; -#endif /* DNS_LOCAL_HOSTLIST || defined(DNS_LOOKUP_LOCAL_EXTERN) */ -#if DNS_LOCAL_HOSTLIST - if ((addr = dns_lookup_local(name)) != INADDR_NONE) { - return addr; - } -#endif /* DNS_LOCAL_HOSTLIST */ -#ifdef DNS_LOOKUP_LOCAL_EXTERN - if((addr = DNS_LOOKUP_LOCAL_EXTERN(name)) != INADDR_NONE) { - return addr; - } -#endif /* DNS_LOOKUP_LOCAL_EXTERN */ - - /* Walk through name list, return entry if found. If not, return NULL. */ - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - if ((dns_table[i].state == DNS_STATE_DONE) && - (strcmp(name, dns_table[i].name) == 0)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_lookup: \"%s\": found = ", name)); - ip_addr_debug_print(DNS_DEBUG, &(dns_table[i].ipaddr)); - LWIP_DEBUGF(DNS_DEBUG, ("\n")); - return dns_table[i].ipaddr.addr; - } - } - - return INADDR_NONE; -} - -#if DNS_DOES_NAME_CHECK -/** - * Compare the "dotted" name "query" with the encoded name "response" - * to make sure an answer from the DNS server matches the current dns_table - * entry (otherwise, answers might arrive late for hostname not on the list - * any more). - * - * @param query hostname (not encoded) from the dns_table - * @param response encoded hostname in the DNS response - * @return 0: names equal; 1: names differ - */ -static u8_t -dns_compare_name(unsigned char *query, unsigned char *response) -{ - unsigned char n; - - do { - n = *response++; - /** @see RFC 1035 - 4.1.4. Message compression */ - if ((n & 0xc0) == 0xc0) { - /* Compressed name */ - break; - } else { - /* Not compressed name */ - while (n > 0) { - if ((*query) != (*response)) { - return 1; - } - ++response; - ++query; - --n; - }; - ++query; - } - } while (*response != 0); - - return 0; -} -#endif /* DNS_DOES_NAME_CHECK */ - -/** - * Walk through a compact encoded DNS name and return the end of the name. - * - * @param query encoded DNS name in the DNS server response - * @return end of the name - */ -static unsigned char * -dns_parse_name(unsigned char *query) -{ - unsigned char n; - - do { - n = *query++; - /** @see RFC 1035 - 4.1.4. Message compression */ - if ((n & 0xc0) == 0xc0) { - /* Compressed name */ - break; - } else { - /* Not compressed name */ - while (n > 0) { - ++query; - --n; - }; - } - } while (*query != 0); - - return query + 1; -} - -/** - * Send a DNS query packet. - * - * @param numdns index of the DNS server in the dns_servers table - * @param name hostname to query - * @param id index of the hostname in dns_table, used as transaction ID in the - * DNS query packet - * @return ERR_OK if packet is sent; an err_t indicating the problem otherwise - */ -static err_t -dns_send(u8_t numdns, const char* name, u8_t id) -{ - err_t err; - struct dns_hdr *hdr; - struct dns_query qry; - struct pbuf *p; - char *query, *nptr; - const char *pHostname; - u8_t n; - - LWIP_DEBUGF(DNS_DEBUG, ("dns_send: dns_servers[%"U16_F"] \"%s\": request\n", - (u16_t)(numdns), name)); - LWIP_ASSERT("dns server out of array", numdns < DNS_MAX_SERVERS); - LWIP_ASSERT("dns server has no IP address set", dns_servers[numdns].addr != 0); - - /* if here, we have either a new query or a retry on a previous query to process */ - p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH + - SIZEOF_DNS_QUERY, PBUF_RAM); - if (p != NULL) { - LWIP_ASSERT("pbuf must be in one piece", p->next == NULL); - /* fill dns header */ - hdr = (struct dns_hdr*)p->payload; - memset(hdr, 0, SIZEOF_DNS_HDR); - hdr->id = htons(id); - hdr->flags1 = DNS_FLAG1_RD; - hdr->numquestions = htons(1); - query = (char*)hdr + SIZEOF_DNS_HDR; - pHostname = name; - --pHostname; - - /* convert hostname into suitable query format. */ - do { - ++pHostname; - nptr = query; - ++query; - for(n = 0; *pHostname != '.' && *pHostname != 0; ++pHostname) { - *query = *pHostname; - ++query; - ++n; - } - *nptr = n; - } while(*pHostname != 0); - *query++='\0'; - - /* fill dns query */ - qry.type = htons(DNS_RRTYPE_A); - qry.class = htons(DNS_RRCLASS_IN); - MEMCPY( query, &qry, SIZEOF_DNS_QUERY); - - /* resize pbuf to the exact dns query */ - pbuf_realloc(p, (query + SIZEOF_DNS_QUERY) - ((char*)(p->payload))); - - /* connect to the server for faster receiving */ - udp_connect(dns_pcb, &dns_servers[numdns], DNS_SERVER_PORT); - /* send dns packet */ - err = udp_sendto(dns_pcb, p, &dns_servers[numdns], DNS_SERVER_PORT); - - /* free pbuf */ - pbuf_free(p); - } else { - err = ERR_MEM; - } - - return err; -} - -/** - * dns_check_entry() - see if pEntry has not yet been queried and, if so, sends out a query. - * Check an entry in the dns_table: - * - send out query for new entries - * - retry old pending entries on timeout (also with different servers) - * - remove completed entries from the table if their TTL has expired - * - * @param i index of the dns_table entry to check - */ -static void -dns_check_entry(u8_t i) -{ - struct dns_table_entry *pEntry = &dns_table[i]; - - LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE); - - switch(pEntry->state) { - - case DNS_STATE_NEW: { - /* initialize new entry */ - pEntry->state = DNS_STATE_ASKING; - pEntry->numdns = 0; - pEntry->tmr = 1; - pEntry->retries = 0; - - /* send DNS packet for this entry */ - dns_send(pEntry->numdns, pEntry->name, i); - break; - } - - case DNS_STATE_ASKING: { - if (--pEntry->tmr == 0) { - if (++pEntry->retries == DNS_MAX_RETRIES) { - if ((pEntry->numdns+1<DNS_MAX_SERVERS) && (dns_servers[pEntry->numdns+1].addr!=0)) { - /* change of server */ - pEntry->numdns++; - pEntry->tmr = 1; - pEntry->retries = 0; - break; - } else { - LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": timeout\n", pEntry->name)); - /* call specified callback function if provided */ - if (pEntry->found) - (*pEntry->found)(pEntry->name, NULL, pEntry->arg); - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - break; - } - } - - /* wait longer for the next retry */ - pEntry->tmr = pEntry->retries; - - /* send DNS packet for this entry */ - dns_send(pEntry->numdns, pEntry->name, i); - } - break; - } - - case DNS_STATE_DONE: { - /* if the time to live is nul */ - if (--pEntry->ttl == 0) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": flush\n", pEntry->name)); - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - } - break; - } - case DNS_STATE_UNUSED: - /* nothing to do */ - break; - default: - LWIP_ASSERT("unknown dns_table entry state:", 0); - break; - } -} - -/** - * Call dns_check_entry for each entry in dns_table - check all entries. - */ -static void -dns_check_entries(void) -{ - u8_t i; - - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - dns_check_entry(i); - } -} - -/** - * Receive input function for DNS response packets arriving for the dns UDP pcb. - * - * @params see udp.h - */ -static void -dns_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *addr, u16_t port) -{ - u8_t i; - char *pHostname; - struct dns_hdr *hdr; - struct dns_answer ans; - struct dns_table_entry *pEntry; - u8_t nquestions, nanswers; -#if (DNS_USES_STATIC_BUF == 0) - u8_t dns_payload[DNS_MSG_SIZE]; -#endif /* (DNS_USES_STATIC_BUF == 0) */ -#if (DNS_USES_STATIC_BUF == 2) - u8_t* dns_payload; -#endif /* (DNS_USES_STATIC_BUF == 2) */ - - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(addr); - LWIP_UNUSED_ARG(port); - - /* is the dns message too big ? */ - if (p->tot_len > DNS_MSG_SIZE) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too big\n")); - /* free pbuf and return */ - goto memerr1; - } - - /* is the dns message big enough ? */ - if (p->tot_len < (SIZEOF_DNS_HDR + SIZEOF_DNS_QUERY + SIZEOF_DNS_ANSWER)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: pbuf too small\n")); - /* free pbuf and return */ - goto memerr1; - } - -#if (DNS_USES_STATIC_BUF == 2) - dns_payload = mem_malloc(p->tot_len); - if (dns_payload == NULL) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: mem_malloc error\n")); - /* free pbuf and return */ - goto memerr1; - } -#endif /* (DNS_USES_STATIC_BUF == 2) */ - - /* copy dns payload inside static buffer for processing */ - if (pbuf_copy_partial(p, dns_payload, p->tot_len, 0) == p->tot_len) { - /* The ID in the DNS header should be our entry into the name table. */ - hdr = (struct dns_hdr*)dns_payload; - i = htons(hdr->id); - if (i < DNS_TABLE_SIZE) { - pEntry = &dns_table[i]; - if(pEntry->state == DNS_STATE_ASKING) { - /* This entry is now completed. */ - pEntry->state = DNS_STATE_DONE; - pEntry->err = hdr->flags2 & DNS_FLAG2_ERR_MASK; - - /* We only care about the question(s) and the answers. The authrr - and the extrarr are simply discarded. */ - nquestions = htons(hdr->numquestions); - nanswers = htons(hdr->numanswers); - - /* Check for error. If so, call callback to inform. */ - if (((hdr->flags1 & DNS_FLAG1_RESPONSE) == 0) || (pEntry->err != 0) || (nquestions != 1)) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in flags\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - goto responseerr; - } - -#if DNS_DOES_NAME_CHECK - /* Check if the name in the "question" part match with the name in the entry. */ - if (dns_compare_name((unsigned char *)(pEntry->name), (unsigned char *)dns_payload + SIZEOF_DNS_HDR) != 0) { - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response not match to query\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - goto responseerr; - } -#endif /* DNS_DOES_NAME_CHECK */ - - /* Skip the name in the "question" part */ - pHostname = (char *) dns_parse_name((unsigned char *)dns_payload + SIZEOF_DNS_HDR) + SIZEOF_DNS_QUERY; - - while(nanswers > 0) { - /* skip answer resource record's host name */ - pHostname = (char *) dns_parse_name((unsigned char *)pHostname); - - /* Check for IP address type and Internet class. Others are discarded. */ - MEMCPY(&ans, pHostname, SIZEOF_DNS_ANSWER); - if((ntohs(ans.type) == DNS_RRTYPE_A) && (ntohs(ans.class) == DNS_RRCLASS_IN) && (ntohs(ans.len) == sizeof(struct ip_addr)) ) { - /* read the answer resource record's TTL, and maximize it if needed */ - pEntry->ttl = ntohl(ans.ttl); - if (pEntry->ttl > DNS_MAX_TTL) { - pEntry->ttl = DNS_MAX_TTL; - } - /* read the IP address after answer resource record's header */ - MEMCPY( &(pEntry->ipaddr), (pHostname+SIZEOF_DNS_ANSWER), sizeof(struct ip_addr)); - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": response = ", pEntry->name)); - ip_addr_debug_print(DNS_DEBUG, (&(pEntry->ipaddr))); - LWIP_DEBUGF(DNS_DEBUG, ("\n")); - /* call specified callback function if provided */ - if (pEntry->found) { - (*pEntry->found)(pEntry->name, &pEntry->ipaddr, pEntry->arg); - } - /* deallocate memory and return */ - goto memerr2; - } else { - pHostname = pHostname + SIZEOF_DNS_ANSWER + htons(ans.len); - } - --nanswers; - } - LWIP_DEBUGF(DNS_DEBUG, ("dns_recv: \"%s\": error in response\n", pEntry->name)); - /* call callback to indicate error, clean up memory and return */ - goto responseerr; - } - } - } - - /* deallocate memory and return */ - goto memerr2; - -responseerr: - /* ERROR: call specified callback function with NULL as name to indicate an error */ - if (pEntry->found) { - (*pEntry->found)(pEntry->name, NULL, pEntry->arg); - } - /* flush this entry */ - pEntry->state = DNS_STATE_UNUSED; - pEntry->found = NULL; - -memerr2: -#if (DNS_USES_STATIC_BUF == 2) - /* free dns buffer */ - mem_free(dns_payload); -#endif /* (DNS_USES_STATIC_BUF == 2) */ - -memerr1: - /* free pbuf */ - pbuf_free(p); - return; -} - -/** - * Queues a new hostname to resolve and sends out a DNS query for that hostname - * - * @param name the hostname that is to be queried - * @param found a callback founction to be called on success, failure or timeout - * @param callback_arg argument to pass to the callback function - * @return @return a err_t return code. - */ -static err_t -dns_enqueue(const char *name, dns_found_callback found, void *callback_arg) -{ - u8_t i; - u8_t lseq, lseqi; - struct dns_table_entry *pEntry = NULL; - - /* search an unused entry, or the oldest one */ - lseq = lseqi = 0; - for (i = 0; i < DNS_TABLE_SIZE; ++i) { - pEntry = &dns_table[i]; - /* is it an unused entry ? */ - if (pEntry->state == DNS_STATE_UNUSED) - break; - - /* check if this is the oldest completed entry */ - if (pEntry->state == DNS_STATE_DONE) { - if ((dns_seqno - pEntry->seqno) > lseq) { - lseq = dns_seqno - pEntry->seqno; - lseqi = i; - } - } - } - - /* if we don't have found an unused entry, use the oldest completed one */ - if (i == DNS_TABLE_SIZE) { - if ((lseqi >= DNS_TABLE_SIZE) || (dns_table[lseqi].state != DNS_STATE_DONE)) { - /* no entry can't be used now, table is full */ - LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": DNS entries table is full\n", name)); - return ERR_MEM; - } else { - /* use the oldest completed one */ - i = lseqi; - pEntry = &dns_table[i]; - } - } - - /* use this entry */ - LWIP_DEBUGF(DNS_DEBUG, ("dns_enqueue: \"%s\": use DNS entry %"U16_F"\n", name, (u16_t)(i))); - - /* fill the entry */ - pEntry->state = DNS_STATE_NEW; - pEntry->seqno = dns_seqno++; - pEntry->found = found; - pEntry->arg = callback_arg; - strcpy(pEntry->name, name); - - /* force to send query without waiting timer */ - dns_check_entry(i); - - /* dns query is enqueued */ - return ERR_INPROGRESS; -} - -/** - * Resolve a hostname (string) into an IP address. - * NON-BLOCKING callback version for use with raw API!!! - * - * Returns immediately with one of err_t return codes: - * - ERR_OK if hostname is a valid IP address string or the host - * name is already in the local names table. - * - ERR_INPROGRESS enqueue a request to be sent to the DNS server - * for resolution if no errors are present. - * - * @param hostname the hostname that is to be queried - * @param addr pointer to a struct ip_addr where to store the address if it is already - * cached in the dns_table (only valid if ERR_OK is returned!) - * @param found a callback function to be called on success, failure or timeout (only if - * ERR_INPROGRESS is returned!) - * @param callback_arg argument to pass to the callback function - * @return a err_t return code. - */ -err_t -dns_gethostbyname(const char *hostname, struct ip_addr *addr, dns_found_callback found, - void *callback_arg) -{ - /* not initialized or no valid server yet, or invalid addr pointer - * or invalid hostname or invalid hostname length */ - if ((dns_pcb == NULL) || (addr == NULL) || - (!hostname) || (!hostname[0]) || - (strlen(hostname) >= DNS_MAX_NAME_LENGTH)) { - return ERR_VAL; - } - -#if LWIP_HAVE_LOOPIF - if (strcmp(hostname,"localhost")==0) { - addr->addr = htonl(INADDR_LOOPBACK); - return ERR_OK; - } -#endif /* LWIP_HAVE_LOOPIF */ - - /* host name already in octet notation? set ip addr and return ERR_OK - * already have this address cached? */ - if (((addr->addr = inet_addr(hostname)) != INADDR_NONE) || - ((addr->addr = dns_lookup(hostname)) != INADDR_NONE)) { - return ERR_OK; - } - - /* queue query with specified callback */ - return dns_enqueue(hostname, found, callback_arg); -} - -#endif /* LWIP_DNS */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/init.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/init.c deleted file mode 100644 index b799527..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/init.c +++ /dev/null @@ -1,276 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Modules initialization - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/init.h" -#include "lwip/stats.h" -#include "lwip/sys.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/sockets.h" -#include "lwip/ip.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" -#include "lwip/snmp_msg.h" -#include "lwip/autoip.h" -#include "lwip/igmp.h" -#include "lwip/dns.h" -#include "netif/etharp.h" - -/* Compile-time sanity checks for configuration errors. - * These can be done independently of LWIP_DEBUG, without penalty. - */ -#ifndef BYTE_ORDER - #error "BYTE_ORDER is not defined, you have to define it in your cc.h" -#endif -#if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV) - #error "If you want to use broadcast filter per pcb on recv operations, you have to define IP_SOF_BROADCAST=1 in your lwipopts.h" -#endif -#if (!LWIP_ARP && ARP_QUEUEING) - #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_UDPLITE) - #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_SNMP) - #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_DHCP) - #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_IGMP) - #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (!LWIP_UDP && LWIP_DNS) - #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h" -#endif -#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f)) - #error "If you want to use ARP, ARP_TABLE_SIZE must fit in an s8_t, so, you have to reduce it in your lwipopts.h" -#endif -#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0)) - #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h" -#endif -#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0)) - #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h" -#endif -#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0)) - #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h" -#endif -#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0)) - #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h" -#endif -#if (LWIP_TCP && (TCP_WND > 0xffff)) - #error "If you want to use TCP, TCP_WND must fit in an u16_t, so, you have to reduce it in your lwipopts.h" -#endif -#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff)) - #error "If you want to use TCP, TCP_SND_QUEUELEN must fit in an u16_t, so, you have to reduce it in your lwipopts.h" -#endif -#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12))) - #error "If you want to use TCP, TCP_MAXRTX and TCP_SYNMAXRTX must less or equal to 12 (due to tcp_backoff table), so, you have to reduce them in your lwipopts.h" -#endif -#if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)) - #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t" -#endif -#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1)) - #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h" -#endif -#if (PPP_SUPPORT && (NO_SYS==1)) - #error "If you want to use PPP, you have to define NO_SYS=0 in your lwipopts.h" -#endif -#if (LWIP_NETIF_API && (NO_SYS==1)) - #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h" -#endif -#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1)) - #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h" -#endif -#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0)) - #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h" -#endif -#if (!LWIP_NETCONN && LWIP_SOCKET) - #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h" -#endif -#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP) - #error "If you want to use DHCP/AUTOIP cooperation mode, you have to define LWIP_DHCP=1 and LWIP_AUTOIP=1 in your lwipopts.h" -#endif -#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK) - #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h" -#endif -#if (!LWIP_ARP && LWIP_AUTOIP) - #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h" -#endif -#if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0)) - #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h" -#endif -#if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0)) - #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h" -#endif -#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API))) - #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h" -#endif -/* There must be sufficient timeouts, taking into account requirements of the subsystems. */ -#if ((NO_SYS==0) && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT))) - #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts" -#endif -#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS)) - #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!" -#endif -#if (MEM_LIBC_MALLOC && MEM_USE_POOLS) - #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h" -#endif -#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS) - #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h" -#endif -#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT) - #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf" -#endif -#if (TCP_QUEUE_OOSEQ && !LWIP_TCP) - #error "TCP_QUEUE_OOSEQ requires LWIP_TCP" -#endif -#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT))) - #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST" -#endif -#if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT - #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on" -#endif - - -/* Compile-time checks for deprecated options. - */ -#ifdef MEMP_NUM_TCPIP_MSG - #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef MEMP_NUM_API_MSG - #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef TCP_REXMIT_DEBUG - #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef RAW_STATS - #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef ETHARP_QUEUE_FIRST - #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h." -#endif -#ifdef ETHARP_ALWAYS_INSERT - #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h." -#endif -#if SO_REUSE -/* I removed the lot since this was an ugly hack. It broke the raw-API. - It also came with many ugly goto's, Christiaan Simons. */ - #error "SO_REUSE currently unavailable, this was a hack" -#endif - -#ifdef LWIP_DEBUG -static void -lwip_sanity_check(void) -{ - /* Warnings */ -#if LWIP_NETCONN - if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN\n")); -#endif /* LWIP_NETCONN */ -#if LWIP_TCP - if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n")); - if (TCP_SND_BUF < 2 * TCP_MSS) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly\n")); - if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS))) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work\n")); - if (TCP_SNDLOWAT > TCP_SND_BUF) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than or equal to TCP_SND_BUF.\n")); - if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE)) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n")); - if (TCP_WND < TCP_MSS) - LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n")); -#endif /* LWIP_TCP */ -} -#else /* LWIP_DEBUG */ -#define lwip_sanity_check() -#endif /* LWIP_DEBUG */ - -/** - * Perform Sanity check of user-configurable values, and initialize all modules. - */ -void -lwip_init(void) -{ - /* Sanity check user-configurable values */ - lwip_sanity_check(); - - /* Modules initialization */ - stats_init(); - sys_init(); - mem_init(); - memp_init(); - pbuf_init(); - netif_init(); -#if LWIP_SOCKET - lwip_socket_init(); -#endif /* LWIP_SOCKET */ - ip_init(); -#if LWIP_ARP - etharp_init(); -#endif /* LWIP_ARP */ -#if LWIP_RAW - raw_init(); -#endif /* LWIP_RAW */ -#if LWIP_UDP - udp_init(); -#endif /* LWIP_UDP */ -#if LWIP_TCP - tcp_init(); -#endif /* LWIP_TCP */ -#if LWIP_SNMP - snmp_init(); -#endif /* LWIP_SNMP */ -#if LWIP_AUTOIP - autoip_init(); -#endif /* LWIP_AUTOIP */ -#if LWIP_IGMP - igmp_init(); -#endif /* LWIP_IGMP */ -#if LWIP_DNS - dns_init(); -#endif /* LWIP_DNS */ -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/autoip.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/autoip.c deleted file mode 100644 index dde6b6d..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/autoip.c +++ /dev/null @@ -1,499 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * AutoIP Automatic LinkLocal IP Configuration - * - */ - -/* - * - * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Dominik Spies <kontakt@dspies.de> - * - * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform - * with RFC 3927. - * - * - * Please coordinate changes and requests with Dominik Spies - * <kontakt@dspies.de> - */ - -/******************************************************************************* - * USAGE: - * - * define LWIP_AUTOIP 1 in your lwipopts.h - * - * If you don't use tcpip.c (so, don't call, you don't call tcpip_init): - * - First, call autoip_init(). - * - call autoip_tmr() all AUTOIP_TMR_INTERVAL msces, - * that should be defined in autoip.h. - * I recommend a value of 100. The value must divide 1000 with a remainder almost 0. - * Possible values are 1000, 500, 333, 250, 200, 166, 142, 125, 111, 100 .... - * - * Without DHCP: - * - Call autoip_start() after netif_add(). - * - * With DHCP: - * - define LWIP_DHCP_AUTOIP_COOP 1 in your lwipopts.h. - * - Configure your DHCP Client. - * - */ - -#include "lwip/opt.h" - -#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/mem.h" -#include "lwip/udp.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/autoip.h" -#include "netif/etharp.h" - -#include <stdlib.h> -#include <string.h> - -/* 169.254.0.0 */ -#define AUTOIP_NET 0xA9FE0000 -/* 169.254.1.0 */ -#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100) -/* 169.254.254.255 */ -#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF) - - -/** Pseudo random macro based on netif informations. - * You could use "rand()" from the C Library if you define LWIP_AUTOIP_RAND in lwipopts.h */ -#ifndef LWIP_AUTOIP_RAND -#define LWIP_AUTOIP_RAND(netif) ( (((u32_t)((netif->hwaddr[5]) & 0xff) << 24) | \ - ((u32_t)((netif->hwaddr[3]) & 0xff) << 16) | \ - ((u32_t)((netif->hwaddr[2]) & 0xff) << 8) | \ - ((u32_t)((netif->hwaddr[4]) & 0xff))) + \ - (netif->autoip?netif->autoip->tried_llipaddr:0)) -#endif /* LWIP_AUTOIP_RAND */ - -/** - * Macro that generates the initial IP address to be tried by AUTOIP. - * If you want to override this, define it to something else in lwipopts.h. - */ -#ifndef LWIP_AUTOIP_CREATE_SEED_ADDR -#define LWIP_AUTOIP_CREATE_SEED_ADDR(netif) \ - htonl(AUTOIP_RANGE_START + ((u32_t)(((u8_t)(netif->hwaddr[4])) | \ - ((u32_t)((u8_t)(netif->hwaddr[5]))) << 8))) -#endif /* LWIP_AUTOIP_CREATE_SEED_ADDR */ - -/* static functions */ -static void autoip_handle_arp_conflict(struct netif *netif); - -/* creates a pseudo random LL IP-Address for a network interface */ -static void autoip_create_addr(struct netif *netif, struct ip_addr *ipaddr); - -/* sends an ARP probe */ -static err_t autoip_arp_probe(struct netif *netif); - -/* sends an ARP announce */ -static err_t autoip_arp_announce(struct netif *netif); - -/* configure interface for use with current LL IP-Address */ -static err_t autoip_bind(struct netif *netif); - -/* start sending probes for llipaddr */ -static void autoip_start_probing(struct netif *netif); - -/** - * Initialize this module - */ -void -autoip_init(void) -{ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_init()\n")); -} - -/** - * Handle a IP address conflict after an ARP conflict detection - */ -static void -autoip_handle_arp_conflict(struct netif *netif) -{ - /* Somehow detect if we are defending or retreating */ - unsigned char defend = 1; /* tbd */ - - if(defend) { - if(netif->autoip->lastconflict > 0) { - /* retreat, there was a conflicting ARP in the last - * DEFEND_INTERVAL seconds - */ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we are defending, but in DEFEND_INTERVAL, retreating\n")); - - /* TODO: close all TCP sessions */ - autoip_start(netif); - } else { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we are defend, send ARP Announce\n")); - autoip_arp_announce(netif); - netif->autoip->lastconflict = DEFEND_INTERVAL * AUTOIP_TICKS_PER_SECOND; - } - } else { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_handle_arp_conflict(): we do not defend, retreating\n")); - /* TODO: close all TCP sessions */ - autoip_start(netif); - } -} - -/** - * Create an IP-Address out of range 169.254.1.0 to 169.254.254.255 - * - * @param netif network interface on which create the IP-Address - * @param ipaddr ip address to initialize - */ -static void -autoip_create_addr(struct netif *netif, struct ip_addr *ipaddr) -{ - /* Here we create an IP-Address out of range 169.254.1.0 to 169.254.254.255 - * compliant to RFC 3927 Section 2.1 - * We have 254 * 256 possibilities */ - - u32_t addr = ntohl(LWIP_AUTOIP_CREATE_SEED_ADDR(netif)); - addr += netif->autoip->tried_llipaddr; - addr = AUTOIP_NET | (addr & 0xffff); - /* Now, 169.254.0.0 <= addr <= 169.254.255.255 */ - - if (addr < AUTOIP_RANGE_START) { - addr += AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1; - } - if (addr > AUTOIP_RANGE_END) { - addr -= AUTOIP_RANGE_END - AUTOIP_RANGE_START + 1; - } - LWIP_ASSERT("AUTOIP address not in range", (addr >= AUTOIP_RANGE_START) && - (addr <= AUTOIP_RANGE_END)); - ipaddr->addr = htonl(addr); - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_create_addr(): tried_llipaddr=%"U16_F", 0x%08"X32_F"\n", - (u16_t)(netif->autoip->tried_llipaddr), (u32_t)(ipaddr->addr))); -} - -/** - * Sends an ARP probe from a network interface - * - * @param netif network interface used to send the probe - */ -static err_t -autoip_arp_probe(struct netif *netif) -{ - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, IP_ADDR_ANY, ðzero, - &netif->autoip->llipaddr, ARP_REQUEST); -} - -/** - * Sends an ARP announce from a network interface - * - * @param netif network interface used to send the announce - */ -static err_t -autoip_arp_announce(struct netif *netif) -{ - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, &netif->autoip->llipaddr, ðzero, - &netif->autoip->llipaddr, ARP_REQUEST); -} - -/** - * Configure interface for use with current LL IP-Address - * - * @param netif network interface to configure with current LL IP-Address - */ -static err_t -autoip_bind(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - struct ip_addr sn_mask, gw_addr; - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_bind(netif=%p) %c%c%"U16_F" 0x%08"X32_F"\n", - (void*)netif, netif->name[0], netif->name[1], (u16_t)netif->num, autoip->llipaddr.addr)); - - IP4_ADDR(&sn_mask, 255, 255, 0, 0); - IP4_ADDR(&gw_addr, 0, 0, 0, 0); - - netif_set_ipaddr(netif, &autoip->llipaddr); - netif_set_netmask(netif, &sn_mask); - netif_set_gw(netif, &gw_addr); - - /* bring the interface up */ - netif_set_up(netif); - - return ERR_OK; -} - -/** - * Start AutoIP client - * - * @param netif network interface on which start the AutoIP client - */ -err_t -autoip_start(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - err_t result = ERR_OK; - - if(netif_is_up(netif)) { - netif_set_down(netif); - } - - /* Set IP-Address, Netmask and Gateway to 0 to make sure that - * ARP Packets are formed correctly - */ - netif->ip_addr.addr = 0; - netif->netmask.addr = 0; - netif->gw.addr = 0; - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("autoip_start(netif=%p) %c%c%"U16_F"\n", (void*)netif, netif->name[0], - netif->name[1], (u16_t)netif->num)); - if(autoip == NULL) { - /* no AutoIP client attached yet? */ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_start(): starting new AUTOIP client\n")); - autoip = mem_malloc(sizeof(struct autoip)); - if(autoip == NULL) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_start(): could not allocate autoip\n")); - return ERR_MEM; - } - memset( autoip, 0, sizeof(struct autoip)); - /* store this AutoIP client in the netif */ - netif->autoip = autoip; - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_start(): allocated autoip")); - } else { - autoip->state = AUTOIP_STATE_OFF; - autoip->ttw = 0; - autoip->sent_num = 0; - memset(&autoip->llipaddr, 0, sizeof(struct ip_addr)); - autoip->lastconflict = 0; - } - - autoip_create_addr(netif, &(autoip->llipaddr)); - autoip->tried_llipaddr++; - autoip_start_probing(netif); - - return result; -} - -static void -autoip_start_probing(struct netif *netif) -{ - struct autoip *autoip = netif->autoip; - - autoip->state = AUTOIP_STATE_PROBING; - autoip->sent_num = 0; - - /* time to wait to first probe, this is randomly - * choosen out of 0 to PROBE_WAIT seconds. - * compliant to RFC 3927 Section 2.2.1 - */ - autoip->ttw = (u16_t)(LWIP_AUTOIP_RAND(netif) % (PROBE_WAIT * AUTOIP_TICKS_PER_SECOND)); - - /* - * if we tried more then MAX_CONFLICTS we must limit our rate for - * accquiring and probing address - * compliant to RFC 3927 Section 2.2.1 - */ - if(autoip->tried_llipaddr > MAX_CONFLICTS) { - autoip->ttw = RATE_LIMIT_INTERVAL * AUTOIP_TICKS_PER_SECOND; - } -} - -/** - * Handle a possible change in the network configuration. - * - * If there is an AutoIP address configured, take the interface down - * and begin probing with the same address. - */ -void -autoip_network_changed(struct netif *netif) -{ - if (netif->autoip && netif->autoip->state != AUTOIP_STATE_OFF) { - netif_set_down(netif); - autoip_start_probing(netif); - } -} - -/** - * Stop AutoIP client - * - * @param netif network interface on which stop the AutoIP client - */ -err_t -autoip_stop(struct netif *netif) -{ - netif->autoip->state = AUTOIP_STATE_OFF; - netif_set_down(netif); - return ERR_OK; -} - -/** - * Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds - */ -void -autoip_tmr() -{ - struct netif *netif = netif_list; - /* loop through netif's */ - while (netif != NULL) { - /* only act on AutoIP configured interfaces */ - if (netif->autoip != NULL) { - if(netif->autoip->lastconflict > 0) { - netif->autoip->lastconflict--; - } - - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() AutoIP-State: %"U16_F", ttw=%"U16_F"\n", - (u16_t)(netif->autoip->state), netif->autoip->ttw)); - - switch(netif->autoip->state) { - case AUTOIP_STATE_PROBING: - if(netif->autoip->ttw > 0) { - netif->autoip->ttw--; - } else { - if(netif->autoip->sent_num >= PROBE_NUM) { - netif->autoip->state = AUTOIP_STATE_ANNOUNCING; - netif->autoip->sent_num = 0; - netif->autoip->ttw = ANNOUNCE_WAIT * AUTOIP_TICKS_PER_SECOND; - } else { - autoip_arp_probe(netif); - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() PROBING Sent Probe\n")); - netif->autoip->sent_num++; - /* calculate time to wait to next probe */ - netif->autoip->ttw = (u16_t)((LWIP_AUTOIP_RAND(netif) % - ((PROBE_MAX - PROBE_MIN) * AUTOIP_TICKS_PER_SECOND) ) + - PROBE_MIN * AUTOIP_TICKS_PER_SECOND); - } - } - break; - - case AUTOIP_STATE_ANNOUNCING: - if(netif->autoip->ttw > 0) { - netif->autoip->ttw--; - } else { - if(netif->autoip->sent_num == 0) { - /* We are here the first time, so we waited ANNOUNCE_WAIT seconds - * Now we can bind to an IP address and use it. - * - * autoip_bind calls netif_set_up. This triggers a gratuitous ARP - * which counts as an announcement. - */ - autoip_bind(netif); - } else { - autoip_arp_announce(netif); - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, - ("autoip_tmr() ANNOUNCING Sent Announce\n")); - } - netif->autoip->ttw = ANNOUNCE_INTERVAL * AUTOIP_TICKS_PER_SECOND; - netif->autoip->sent_num++; - - if(netif->autoip->sent_num >= ANNOUNCE_NUM) { - netif->autoip->state = AUTOIP_STATE_BOUND; - netif->autoip->sent_num = 0; - netif->autoip->ttw = 0; - } - } - break; - } - } - /* proceed to next network interface */ - netif = netif->next; - } -} - -/** - * Handles every incoming ARP Packet, called by etharp_arp_input. - * - * @param netif network interface to use for autoip processing - * @param hdr Incoming ARP packet - */ -void -autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr) -{ - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE, ("autoip_arp_reply()\n")); - if ((netif->autoip != NULL) && (netif->autoip->state != AUTOIP_STATE_OFF)) { - /* when ip.src == llipaddr && hw.src != netif->hwaddr - * - * when probing ip.dst == llipaddr && hw.src != netif->hwaddr - * we have a conflict and must solve it - */ - struct ip_addr sipaddr, dipaddr; - struct eth_addr netifaddr; - netifaddr.addr[0] = netif->hwaddr[0]; - netifaddr.addr[1] = netif->hwaddr[1]; - netifaddr.addr[2] = netif->hwaddr[2]; - netifaddr.addr[3] = netif->hwaddr[3]; - netifaddr.addr[4] = netif->hwaddr[4]; - netifaddr.addr[5] = netif->hwaddr[5]; - - /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without - * structure packing (not using structure copy which breaks strict-aliasing rules). - */ - SMEMCPY(&sipaddr, &hdr->sipaddr, sizeof(sipaddr)); - SMEMCPY(&dipaddr, &hdr->dipaddr, sizeof(dipaddr)); - - if ((netif->autoip->state == AUTOIP_STATE_PROBING) || - ((netif->autoip->state == AUTOIP_STATE_ANNOUNCING) && - (netif->autoip->sent_num == 0))) { - /* RFC 3927 Section 2.2.1: - * from beginning to after ANNOUNCE_WAIT - * seconds we have a conflict if - * ip.src == llipaddr OR - * ip.dst == llipaddr && hw.src != own hwaddr - */ - if ((ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr)) || - (ip_addr_cmp(&dipaddr, &netif->autoip->llipaddr) && - !eth_addr_cmp(&netifaddr, &hdr->shwaddr))) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("autoip_arp_reply(): Probe Conflict detected\n")); - autoip_start(netif); - } - } else { - /* RFC 3927 Section 2.5: - * in any state we have a conflict if - * ip.src == llipaddr && hw.src != own hwaddr - */ - if (ip_addr_cmp(&sipaddr, &netif->autoip->llipaddr) && - !eth_addr_cmp(&netifaddr, &hdr->shwaddr)) { - LWIP_DEBUGF(AUTOIP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE | LWIP_DBG_LEVEL_WARNING, - ("autoip_arp_reply(): Conflicting ARP-Packet detected\n")); - autoip_handle_arp_conflict(netif); - } - } - } -} - -#endif /* LWIP_AUTOIP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/icmp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/icmp.c deleted file mode 100644 index 3ee17ae..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/icmp.c +++ /dev/null @@ -1,333 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * ICMP - Internet Control Message Protocol - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -/* Some ICMP messages should be passed to the transport protocols. This - is not implemented. */ - -#include "lwip/opt.h" - -#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/icmp.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/ip.h" -#include "lwip/def.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" - -#include <string.h> - -/** Small optimization: set to 0 if incoming PBUF_POOL pbuf always can be - * used to modify and send a response packet (and to 1 if this is not the case, - * e.g. when link header is stripped of when receiving) */ -#ifndef LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN -#define LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN 1 -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ - -/* The amount of data from the original packet to return in a dest-unreachable */ -#define ICMP_DEST_UNREACH_DATASIZE 8 - -static void icmp_send_response(struct pbuf *p, u8_t type, u8_t code); - -/** - * Processes ICMP input packets, called from ip_input(). - * - * Currently only processes icmp echo requests and sends - * out the echo response. - * - * @param p the icmp echo request packet, p->payload pointing to the ip header - * @param inp the netif on which this packet was received - */ -void -icmp_input(struct pbuf *p, struct netif *inp) -{ - u8_t type; -#ifdef LWIP_DEBUG - u8_t code; -#endif /* LWIP_DEBUG */ - struct icmp_echo_hdr *iecho; - struct ip_hdr *iphdr; - struct ip_addr tmpaddr; - s16_t hlen; - - ICMP_STATS_INC(icmp.recv); - snmp_inc_icmpinmsgs(); - - - iphdr = p->payload; - hlen = IPH_HL(iphdr) * 4; - if (pbuf_header(p, -hlen) || (p->tot_len < sizeof(u16_t)*2)) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: short ICMP (%"U16_F" bytes) received\n", p->tot_len)); - goto lenerr; - } - - type = *((u8_t *)p->payload); -#ifdef LWIP_DEBUG - code = *(((u8_t *)p->payload)+1); -#endif /* LWIP_DEBUG */ - switch (type) { - case ICMP_ECHO: -#if !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING - { - int accepted = 1; -#if !LWIP_MULTICAST_PING - /* multicast destination address? */ - if (ip_addr_ismulticast(&iphdr->dest)) { - accepted = 0; - } -#endif /* LWIP_MULTICAST_PING */ -#if !LWIP_BROADCAST_PING - /* broadcast destination address? */ - if (ip_addr_isbroadcast(&iphdr->dest, inp)) { - accepted = 0; - } -#endif /* LWIP_BROADCAST_PING */ - /* broadcast or multicast destination address not acceptd? */ - if (!accepted) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: Not echoing to multicast or broadcast pings\n")); - ICMP_STATS_INC(icmp.err); - pbuf_free(p); - return; - } - } -#endif /* !LWIP_MULTICAST_PING || !LWIP_BROADCAST_PING */ - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ping\n")); - if (p->tot_len < sizeof(struct icmp_echo_hdr)) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: bad ICMP echo received\n")); - goto lenerr; - } - if (inet_chksum_pbuf(p) != 0) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: checksum failed for received ICMP echo\n")); - pbuf_free(p); - ICMP_STATS_INC(icmp.chkerr); - snmp_inc_icmpinerrors(); - return; - } -#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN - if (pbuf_header(p, (PBUF_IP_HLEN + PBUF_LINK_HLEN))) { - /* p is not big enough to contain link headers - * allocate a new one and copy p into it - */ - struct pbuf *r; - /* switch p->payload to ip header */ - if (pbuf_header(p, hlen)) { - LWIP_ASSERT("icmp_input: moving p->payload to ip header failed\n", 0); - goto memerr; - } - /* allocate new packet buffer with space for link headers */ - r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM); - if (r == NULL) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: allocating new pbuf failed\n")); - goto memerr; - } - LWIP_ASSERT("check that first pbuf can hold struct the ICMP header", - (r->len >= hlen + sizeof(struct icmp_echo_hdr))); - /* copy the whole packet including ip header */ - if (pbuf_copy(r, p) != ERR_OK) { - LWIP_ASSERT("icmp_input: copying to new pbuf failed\n", 0); - goto memerr; - } - iphdr = r->payload; - /* switch r->payload back to icmp header */ - if (pbuf_header(r, -hlen)) { - LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0); - goto memerr; - } - /* free the original p */ - pbuf_free(p); - /* we now have an identical copy of p that has room for link headers */ - p = r; - } else { - /* restore p->payload to point to icmp header */ - if (pbuf_header(p, -(s16_t)(PBUF_IP_HLEN + PBUF_LINK_HLEN))) { - LWIP_ASSERT("icmp_input: restoring original p->payload failed\n", 0); - goto memerr; - } - } -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ - /* At this point, all checks are OK. */ - /* We generate an answer by switching the dest and src ip addresses, - * setting the icmp type to ECHO_RESPONSE and updating the checksum. */ - iecho = p->payload; - tmpaddr.addr = iphdr->src.addr; - iphdr->src.addr = iphdr->dest.addr; - iphdr->dest.addr = tmpaddr.addr; - ICMPH_TYPE_SET(iecho, ICMP_ER); - /* adjust the checksum */ - if (iecho->chksum >= htons(0xffff - (ICMP_ECHO << 8))) { - iecho->chksum += htons(ICMP_ECHO << 8) + 1; - } else { - iecho->chksum += htons(ICMP_ECHO << 8); - } - - /* Set the correct TTL and recalculate the header checksum. */ - IPH_TTL_SET(iphdr, ICMP_TTL); - IPH_CHKSUM_SET(iphdr, 0); -#if CHECKSUM_GEN_IP - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN)); -#endif /* CHECKSUM_GEN_IP */ - - ICMP_STATS_INC(icmp.xmit); - /* increase number of messages attempted to send */ - snmp_inc_icmpoutmsgs(); - /* increase number of echo replies attempted to send */ - snmp_inc_icmpoutechoreps(); - - if(pbuf_header(p, hlen)) { - LWIP_ASSERT("Can't move over header in packet", 0); - } else { - err_t ret; - ret = ip_output_if(p, &(iphdr->src), IP_HDRINCL, - ICMP_TTL, 0, IP_PROTO_ICMP, inp); - if (ret != ERR_OK) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ip_output_if returned an error: %c.\n", ret)); - } - } - break; - default: - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_input: ICMP type %"S16_F" code %"S16_F" not supported.\n", - (s16_t)type, (s16_t)code)); - ICMP_STATS_INC(icmp.proterr); - ICMP_STATS_INC(icmp.drop); - } - pbuf_free(p); - return; -lenerr: - pbuf_free(p); - ICMP_STATS_INC(icmp.lenerr); - snmp_inc_icmpinerrors(); - return; -#if LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN -memerr: - pbuf_free(p); - ICMP_STATS_INC(icmp.err); - snmp_inc_icmpinerrors(); - return; -#endif /* LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN */ -} - -/** - * Send an icmp 'destination unreachable' packet, called from ip_input() if - * the transport layer protocol is unknown and from udp_input() if the local - * port is not bound. - * - * @param p the input packet for which the 'unreachable' should be sent, - * p->payload pointing to the IP header - * @param t type of the 'unreachable' packet - */ -void -icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t) -{ - icmp_send_response(p, ICMP_DUR, t); -} - -#if IP_FORWARD || IP_REASSEMBLY -/** - * Send a 'time exceeded' packet, called from ip_forward() if TTL is 0. - * - * @param p the input packet for which the 'time exceeded' should be sent, - * p->payload pointing to the IP header - * @param t type of the 'time exceeded' packet - */ -void -icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t) -{ - icmp_send_response(p, ICMP_TE, t); -} - -#endif /* IP_FORWARD || IP_REASSEMBLY */ - -/** - * Send an icmp packet in response to an incoming packet. - * - * @param p the input packet for which the 'unreachable' should be sent, - * p->payload pointing to the IP header - * @param type Type of the ICMP header - * @param code Code of the ICMP header - */ -static void -icmp_send_response(struct pbuf *p, u8_t type, u8_t code) -{ - struct pbuf *q; - struct ip_hdr *iphdr; - /* we can use the echo header here */ - struct icmp_echo_hdr *icmphdr; - - /* ICMP header + IP header + 8 bytes of data */ - q = pbuf_alloc(PBUF_IP, sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE, - PBUF_RAM); - if (q == NULL) { - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded: failed to allocate pbuf for ICMP packet.\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold icmp message", - (q->len >= (sizeof(struct icmp_echo_hdr) + IP_HLEN + ICMP_DEST_UNREACH_DATASIZE))); - - iphdr = p->payload; - LWIP_DEBUGF(ICMP_DEBUG, ("icmp_time_exceeded from ")); - ip_addr_debug_print(ICMP_DEBUG, &(iphdr->src)); - LWIP_DEBUGF(ICMP_DEBUG, (" to ")); - ip_addr_debug_print(ICMP_DEBUG, &(iphdr->dest)); - LWIP_DEBUGF(ICMP_DEBUG, ("\n")); - - icmphdr = q->payload; - icmphdr->type = type; - icmphdr->code = code; - icmphdr->id = 0; - icmphdr->seqno = 0; - - /* copy fields from original packet */ - SMEMCPY((u8_t *)q->payload + sizeof(struct icmp_echo_hdr), (u8_t *)p->payload, - IP_HLEN + ICMP_DEST_UNREACH_DATASIZE); - - /* calculate checksum */ - icmphdr->chksum = 0; - icmphdr->chksum = inet_chksum(icmphdr, q->len); - ICMP_STATS_INC(icmp.xmit); - /* increase number of messages attempted to send */ - snmp_inc_icmpoutmsgs(); - /* increase number of destination unreachable messages attempted to send */ - snmp_inc_icmpouttimeexcds(); - ip_output(q, NULL, &(iphdr->src), ICMP_TTL, 0, IP_PROTO_ICMP); - pbuf_free(q); -} - -#endif /* LWIP_ICMP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/igmp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/igmp.c deleted file mode 100644 index b302ef4..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/igmp.c +++ /dev/null @@ -1,759 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * IGMP - Internet Group Management Protocol - * - */ - -/* - * Copyright (c) 2002 CITEL Technologies Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. -*/ - -/*------------------------------------------------------------- -Note 1) -Although the rfc requires V1 AND V2 capability -we will only support v2 since now V1 is very old (August 1989) -V1 can be added if required - -a debug print and statistic have been implemented to -show this up. -------------------------------------------------------------- -------------------------------------------------------------- -Note 2) -A query for a specific group address (as opposed to ALLHOSTS) -has now been implemented as I am unsure if it is required - -a debug print and statistic have been implemented to -show this up. -------------------------------------------------------------- -------------------------------------------------------------- -Note 3) -The router alert rfc 2113 is implemented in outgoing packets -but not checked rigorously incoming -------------------------------------------------------------- -Steve Reynolds -------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------- - * RFC 988 - Host extensions for IP multicasting - V0 - * RFC 1054 - Host extensions for IP multicasting - - * RFC 1112 - Host extensions for IP multicasting - V1 - * RFC 2236 - Internet Group Management Protocol, Version 2 - V2 <- this code is based on this RFC (it's the "de facto" standard) - * RFC 3376 - Internet Group Management Protocol, Version 3 - V3 - * RFC 4604 - Using Internet Group Management Protocol Version 3... - V3+ - * RFC 2113 - IP Router Alert Option - - *----------------------------------------------------------------------------*/ - -/*----------------------------------------------------------------------------- - * Includes - *----------------------------------------------------------------------------*/ - -#include "lwip/opt.h" - -#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/igmp.h" -#include "lwip/debug.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/ip.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" -#include "lwip/stats.h" - -#include "string.h" - -/*----------------------------------------------------------------------------- - * Globales - *----------------------------------------------------------------------------*/ - -static struct igmp_group* igmp_group_list; -static struct ip_addr allsystems; -static struct ip_addr allrouters; - -/** - * Initialize the IGMP module - */ -void -igmp_init(void) -{ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_init: initializing\n")); - - IP4_ADDR(&allsystems, 224, 0, 0, 1); - IP4_ADDR(&allrouters, 224, 0, 0, 2); -} - -#ifdef LWIP_DEBUG -/** - * Dump global IGMP groups list - */ -void -igmp_dump_group_list() -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_dump_group_list: [%"U32_F"] ", (u32_t)(group->group_state))); - ip_addr_debug_print(IGMP_DEBUG, &group->group_address); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->interface)); - group = group->next; - } - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); -} -#else -#define igmp_dump_group_list() -#endif /* LWIP_DEBUG */ - -/** - * Start IGMP processing on interface - * - * @param netif network interface on which start IGMP processing - */ -err_t -igmp_start(struct netif *netif) -{ - struct igmp_group* group; - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: starting IGMP processing on if %p\n", netif)); - - group = igmp_lookup_group(netif, &allsystems); - - if (group != NULL) { - group->group_state = IGMP_GROUP_IDLE_MEMBER; - group->use++; - - /* Allow the igmp messages at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_start: igmp_mac_filter(ADD ")); - ip_addr_debug_print(IGMP_DEBUG, &allsystems); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter( netif, &allsystems, IGMP_ADD_MAC_FILTER); - } - - return ERR_OK; - } - - return ERR_MEM; -} - -/** - * Stop IGMP processing on interface - * - * @param netif network interface on which stop IGMP processing - */ -err_t -igmp_stop(struct netif *netif) -{ - struct igmp_group *group = igmp_group_list; - struct igmp_group *prev = NULL; - struct igmp_group *next; - - /* look for groups joined on this interface further down the list */ - while (group != NULL) { - next = group->next; - /* is it a group joined on this interface? */ - if (group->interface == netif) { - /* is it the first group of the list? */ - if (group == igmp_group_list) { - igmp_group_list = next; - } - /* is there a "previous" group defined? */ - if (prev != NULL) { - prev->next = next; - } - /* disable the group at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_stop: igmp_mac_filter(DEL ")); - ip_addr_debug_print(IGMP_DEBUG, &group->group_address); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, &(group->group_address), IGMP_DEL_MAC_FILTER); - } - /* free group */ - memp_free(MEMP_IGMP_GROUP, group); - } else { - /* change the "previous" */ - prev = group; - } - /* move to "next" */ - group = next; - } - return ERR_OK; -} - -/** - * Report IGMP memberships for this interface - * - * @param netif network interface on which report IGMP memberships - */ -void -igmp_report_groups( struct netif *netif) -{ - struct igmp_group *group = igmp_group_list; - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_report_groups: sending IGMP reports on if %p\n", netif)); - - while (group != NULL) { - if (group->interface == netif) { - igmp_delaying_member( group, IGMP_JOIN_DELAYING_MEMBER_TMR); - } - group = group->next; - } -} - -/** - * Search for a group in the global igmp_group_list - * - * @param ifp the network interface for which to look - * @param addr the group ip address to search for - * @return a struct igmp_group* if the group has been found, - * NULL if the group wasn't found. - */ -struct igmp_group * -igmp_lookfor_group(struct netif *ifp, struct ip_addr *addr) -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - if ((group->interface == ifp) && (ip_addr_cmp(&(group->group_address), addr))) { - return group; - } - group = group->next; - } - - /* to be clearer, we return NULL here instead of - * 'group' (which is also NULL at this point). - */ - return NULL; -} - -/** - * Search for a specific igmp group and create a new one if not found- - * - * @param ifp the network interface for which to look - * @param addr the group ip address to search - * @return a struct igmp_group*, - * NULL on memory error. - */ -struct igmp_group * -igmp_lookup_group(struct netif *ifp, struct ip_addr *addr) -{ - struct igmp_group *group = igmp_group_list; - - /* Search if the group already exists */ - group = igmp_lookfor_group(ifp, addr); - if (group != NULL) { - /* Group already exists. */ - return group; - } - - /* Group doesn't exist yet, create a new one */ - group = memp_malloc(MEMP_IGMP_GROUP); - if (group != NULL) { - group->interface = ifp; - ip_addr_set(&(group->group_address), addr); - group->timer = 0; /* Not running */ - group->group_state = IGMP_GROUP_NON_MEMBER; - group->last_reporter_flag = 0; - group->use = 0; - group->next = igmp_group_list; - - igmp_group_list = group; - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_lookup_group: %sallocated a new group with address ", (group?"":"impossible to "))); - ip_addr_debug_print(IGMP_DEBUG, addr); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", ifp)); - - return group; -} - -/** - * Remove a group in the global igmp_group_list - * - * @param group the group to remove from the global igmp_group_list - * @return ERR_OK if group was removed from the list, an err_t otherwise - */ -err_t -igmp_remove_group(struct igmp_group *group) -{ - err_t err = ERR_OK; - - /* Is it the first group? */ - if (igmp_group_list == group) { - igmp_group_list = group->next; - } else { - /* look for group further down the list */ - struct igmp_group *tmpGroup; - for (tmpGroup = igmp_group_list; tmpGroup != NULL; tmpGroup = tmpGroup->next) { - if (tmpGroup->next == group) { - tmpGroup->next = group->next; - break; - } - } - /* Group not found in the global igmp_group_list */ - if (tmpGroup == NULL) - err = ERR_ARG; - } - /* free group */ - memp_free(MEMP_IGMP_GROUP, group); - - return err; -} - -/** - * Called from ip_input() if a new IGMP packet is received. - * - * @param p received igmp packet, p->payload pointing to the ip header - * @param inp network interface on which the packet was received - * @param dest destination ip address of the igmp packet - */ -void -igmp_input(struct pbuf *p, struct netif *inp, struct ip_addr *dest) -{ - struct ip_hdr * iphdr; - struct igmp_msg* igmp; - struct igmp_group* group; - struct igmp_group* groupref; - - /* Note that the length CAN be greater than 8 but only 8 are used - All are included in the checksum */ - iphdr = p->payload; - if (pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4)) || (p->len < IGMP_MINLEN)) { - pbuf_free(p); - IGMP_STATS_INC(igmp.lenerr); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: length error\n")); - return; - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: message from ")); - ip_addr_debug_print(IGMP_DEBUG, &(iphdr->src)); - LWIP_DEBUGF(IGMP_DEBUG, (" to address ")); - ip_addr_debug_print(IGMP_DEBUG, &(iphdr->dest)); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", inp)); - - /* Now calculate and check the checksum */ - igmp = (struct igmp_msg *)p->payload; - if (inet_chksum(igmp, p->len)) { - pbuf_free(p); - IGMP_STATS_INC(igmp.chkerr); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: checksum error\n")); - return; - } - - /* Packet is ok so find an existing group */ - group = igmp_lookfor_group(inp, dest); /* use the incoming IP address! */ - - /* If group can be found or create... */ - if (!group) { - pbuf_free(p); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP frame not for us\n")); - return; - } - - /* NOW ACT ON THE INCOMING MESSAGE TYPE... */ - switch (igmp->igmp_msgtype) { - case IGMP_MEMB_QUERY: { - /* IGMP_MEMB_QUERY to the "all systems" address ? */ - if ((ip_addr_cmp(dest, &allsystems)) && (igmp->igmp_group_address.addr == 0)) { - /* THIS IS THE GENERAL QUERY */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: General IGMP_MEMB_QUERY on \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - - if (igmp->igmp_maxresp == 0) { - IGMP_STATS_INC(igmp.v1_rxed); - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: got an all hosts query with time== 0 - this is V1 and not implemented - treat as v2\n")); - igmp->igmp_maxresp = IGMP_V1_DELAYING_MEMBER_TMR; - } - - IGMP_STATS_INC(igmp.group_query_rxed); - groupref = igmp_group_list; - while (groupref) { - /* Do not send messages on the all systems group address! */ - if ((groupref->interface == inp) && (!(ip_addr_cmp(&(groupref->group_address), &allsystems)))) { - igmp_delaying_member( groupref, igmp->igmp_maxresp); - } - groupref = groupref->next; - } - } else { - /* IGMP_MEMB_QUERY to a specific group ? */ - if (group->group_address.addr != 0) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_MEMB_QUERY to a specific group ")); - ip_addr_debug_print(IGMP_DEBUG, &group->group_address); - if (ip_addr_cmp (dest, &allsystems)) { - LWIP_DEBUGF(IGMP_DEBUG, (" using \"ALL SYSTEMS\" address (224.0.0.1) [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - /* we first need to re-lookfor the group since we used dest last time */ - group = igmp_lookfor_group(inp, &igmp->igmp_group_address); - } else { - LWIP_DEBUGF(IGMP_DEBUG, (" with the group address as destination [igmp_maxresp=%i]\n", (int)(igmp->igmp_maxresp))); - } - - if (group != NULL) { - IGMP_STATS_INC(igmp.unicast_query); - igmp_delaying_member( group, igmp->igmp_maxresp); - } - } - } - break; - } - case IGMP_V2_MEMB_REPORT: { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: IGMP_V2_MEMB_REPORT\n")); - - IGMP_STATS_INC(igmp.report_rxed); - if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) { - /* This is on a specific group we have already looked up */ - group->timer = 0; /* stopped */ - group->group_state = IGMP_GROUP_IDLE_MEMBER; - group->last_reporter_flag = 0; - } - break; - } - default: { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_input: unexpected msg %d in state %d on group %p on if %p\n", - igmp->igmp_msgtype, group->group_state, &group, group->interface)); - break; - } - } - - pbuf_free(p); - return; -} - -/** - * Join a group on one network interface. - * - * @param ifaddr ip address of the network interface which should join a new group - * @param groupaddr the ip address of the group which to join - * @return ERR_OK if group was joined on the netif(s), an err_t otherwise - */ -err_t -igmp_joingroup(struct ip_addr *ifaddr, struct ip_addr *groupaddr) -{ - err_t err = ERR_VAL; /* no matching interface */ - struct igmp_group *group; - struct netif *netif; - - /* make sure it is multicast address */ - LWIP_ERROR("igmp_joingroup: attempt to join non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;); - LWIP_ERROR("igmp_joingroup: attempt to join allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;); - - /* loop through netif's */ - netif = netif_list; - while (netif != NULL) { - /* Should we join this interface ? */ - if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) { - /* find group or create a new one if not found */ - group = igmp_lookup_group(netif, groupaddr); - - if (group != NULL) { - /* This should create a new group, check the state to make sure */ - if (group->group_state != IGMP_GROUP_NON_MEMBER) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to group not in state IGMP_GROUP_NON_MEMBER\n")); - } else { - /* OK - it was new group */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: join to new group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* If first use of the group, allow the group at the MAC level */ - if ((group->use==0) && (netif->igmp_mac_filter != NULL)) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: igmp_mac_filter(ADD ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, groupaddr, IGMP_ADD_MAC_FILTER); - } - - IGMP_STATS_INC(igmp.join_sent); - igmp_send(group, IGMP_V2_MEMB_REPORT); - - igmp_start_timer(group, IGMP_JOIN_DELAYING_MEMBER_TMR); - - /* Need to work out where this timer comes from */ - group->group_state = IGMP_GROUP_DELAYING_MEMBER; - } - /* Increment group use */ - group->use++; - /* Join on this interface */ - err = ERR_OK; - } else { - /* Return an error even if some network interfaces are joined */ - /** @todo undo any other netif already joined */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_joingroup: Not enought memory to join to group\n")); - return ERR_MEM; - } - } - /* proceed to next network interface */ - netif = netif->next; - } - - return err; -} - -/** - * Leave a group on one network interface. - * - * @param ifaddr ip address of the network interface which should leave a group - * @param groupaddr the ip address of the group which to leave - * @return ERR_OK if group was left on the netif(s), an err_t otherwise - */ -err_t -igmp_leavegroup(struct ip_addr *ifaddr, struct ip_addr *groupaddr) -{ - err_t err = ERR_VAL; /* no matching interface */ - struct igmp_group *group; - struct netif *netif; - - /* make sure it is multicast address */ - LWIP_ERROR("igmp_leavegroup: attempt to leave non-multicast address", ip_addr_ismulticast(groupaddr), return ERR_VAL;); - LWIP_ERROR("igmp_leavegroup: attempt to leave allsystems address", (!ip_addr_cmp(groupaddr, &allsystems)), return ERR_VAL;); - - /* loop through netif's */ - netif = netif_list; - while (netif != NULL) { - /* Should we leave this interface ? */ - if ((netif->flags & NETIF_FLAG_IGMP) && ((ip_addr_isany(ifaddr) || ip_addr_cmp(&(netif->ip_addr), ifaddr)))) { - /* find group */ - group = igmp_lookfor_group(netif, groupaddr); - - if (group != NULL) { - /* Only send a leave if the flag is set according to the state diagram */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: Leaving group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* If there is no other use of the group */ - if (group->use <= 1) { - /* If we are the last reporter for this group */ - if (group->last_reporter_flag) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: sending leaving group\n")); - IGMP_STATS_INC(igmp.leave_sent); - igmp_send(group, IGMP_LEAVE_GROUP); - } - - /* Disable the group at the MAC level */ - if (netif->igmp_mac_filter != NULL) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: igmp_mac_filter(DEL ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, (") on if %p\n", netif)); - netif->igmp_mac_filter(netif, groupaddr, IGMP_DEL_MAC_FILTER); - } - - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: remove group: ")); - ip_addr_debug_print(IGMP_DEBUG, groupaddr); - LWIP_DEBUGF(IGMP_DEBUG, ("\n")); - - /* Free the group */ - igmp_remove_group(group); - } else { - /* Decrement group use */ - group->use--; - } - /* Leave on this interface */ - err = ERR_OK; - } else { - /* It's not a fatal error on "leavegroup" */ - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_leavegroup: not member of group\n")); - } - } - /* proceed to next network interface */ - netif = netif->next; - } - - return err; -} - -/** - * The igmp timer function (both for NO_SYS=1 and =0) - * Should be called every IGMP_TMR_INTERVAL milliseconds (100 ms is default). - */ -void -igmp_tmr(void) -{ - struct igmp_group *group = igmp_group_list; - - while (group != NULL) { - if (group->timer != 0) { - group->timer -= 1; - if (group->timer == 0) { - igmp_timeout(group); - } - } - group = group->next; - } -} - -/** - * Called if a timeout for one group is reached. - * Sends a report for this group. - * - * @param group an igmp_group for which a timeout is reached - */ -void -igmp_timeout(struct igmp_group *group) -{ - /* If the state is IGMP_GROUP_DELAYING_MEMBER then we send a report for this group */ - if (group->group_state == IGMP_GROUP_DELAYING_MEMBER) { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_timeout: report membership for group with address ")); - ip_addr_debug_print(IGMP_DEBUG, &(group->group_address)); - LWIP_DEBUGF(IGMP_DEBUG, (" on if %p\n", group->interface)); - - igmp_send(group, IGMP_V2_MEMB_REPORT); - } -} - -/** - * Start a timer for an igmp group - * - * @param group the igmp_group for which to start a timer - * @param max_time the time in multiples of IGMP_TMR_INTERVAL (decrease with - * every call to igmp_tmr()) - */ -void -igmp_start_timer(struct igmp_group *group, u8_t max_time) -{ - /** - * @todo Important !! this should be random 0 -> max_time. Find out how to do this - */ - group->timer = max_time; -} - -/** - * Stop a timer for an igmp_group - * - * @param group the igmp_group for which to stop the timer - */ -void -igmp_stop_timer(struct igmp_group *group) -{ - group->timer = 0; -} - -/** - * Delaying membership report for a group if necessary - * - * @param group the igmp_group for which "delaying" membership report - * @param maxresp query delay - */ -void -igmp_delaying_member( struct igmp_group *group, u8_t maxresp) -{ - if ((group->group_state == IGMP_GROUP_IDLE_MEMBER) || - ((group->group_state == IGMP_GROUP_DELAYING_MEMBER) && (maxresp > group->timer))) { - igmp_start_timer(group, (maxresp)/2); - group->group_state = IGMP_GROUP_DELAYING_MEMBER; - } -} - - -/** - * Sends an IP packet on a network interface. This function constructs the IP header - * and calculates the IP header checksum. If the source IP address is NULL, - * the IP address of the outgoing network interface is filled in as source address. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param netif the netif on which to send this packet - * @return ERR_OK if the packet was sent OK - * ERR_BUF if p doesn't have enough space for IP/LINK headers - * returns errors returned by netif->output - */ -err_t -igmp_ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t proto, struct netif *netif) -{ - /* This is the "router alert" option */ - u16_t ra[2]; - ra[0] = htons (ROUTER_ALERT); - ra[1] = 0x0000; /* Router shall examine packet */ - return ip_output_if_opt(p, src, dest, ttl, 0, proto, netif, ra, ROUTER_ALERTLEN); -} - -/** - * Send an igmp packet to a specific group. - * - * @param group the group to which to send the packet - * @param type the type of igmp packet to send - */ -void -igmp_send(struct igmp_group *group, u8_t type) -{ - struct pbuf* p = NULL; - struct igmp_msg* igmp = NULL; - struct ip_addr src = {0}; - struct ip_addr* dest = NULL; - - /* IP header + "router alert" option + IGMP header */ - p = pbuf_alloc(PBUF_TRANSPORT, IGMP_MINLEN, PBUF_RAM); - - if (p) { - igmp = p->payload; - LWIP_ASSERT("igmp_send: check that first pbuf can hold struct igmp_msg", - (p->len >= sizeof(struct igmp_msg))); - ip_addr_set(&src, &((group->interface)->ip_addr)); - - if (type == IGMP_V2_MEMB_REPORT) { - dest = &(group->group_address); - IGMP_STATS_INC(igmp.report_sent); - ip_addr_set(&(igmp->igmp_group_address), &(group->group_address)); - group->last_reporter_flag = 1; /* Remember we were the last to report */ - } else { - if (type == IGMP_LEAVE_GROUP) { - dest = &allrouters; - ip_addr_set(&(igmp->igmp_group_address), &(group->group_address)); - } - } - - if ((type == IGMP_V2_MEMB_REPORT) || (type == IGMP_LEAVE_GROUP)) { - igmp->igmp_msgtype = type; - igmp->igmp_maxresp = 0; - igmp->igmp_checksum = 0; - igmp->igmp_checksum = inet_chksum( igmp, IGMP_MINLEN); - - igmp_ip_output_if(p, &src, dest, IGMP_TTL, IP_PROTO_IGMP, group->interface); - } - - pbuf_free(p); - } else { - LWIP_DEBUGF(IGMP_DEBUG, ("igmp_send: not enough memory for igmp_send\n")); - } -} - -#endif /* LWIP_IGMP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet.c deleted file mode 100644 index 0d4f922..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet.c +++ /dev/null @@ -1,280 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Functions common to all TCP/IPv4 modules, such as the byte order functions. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/inet.h" - -/* Here for now until needed in other places in lwIP */ -#ifndef isprint -#define in_range(c, lo, up) ((u8_t)c >= lo && (u8_t)c <= up) -#define isprint(c) in_range(c, 0x20, 0x7f) -#define isdigit(c) in_range(c, '0', '9') -#define isxdigit(c) (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F')) -#define islower(c) in_range(c, 'a', 'z') -#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v') -#endif - -/** - * Ascii internet address interpretation routine. - * The value returned is in network order. - * - * @param cp IP address in ascii represenation (e.g. "127.0.0.1") - * @return ip address in network order - */ -u32_t -inet_addr(const char *cp) -{ - struct in_addr val; - - if (inet_aton(cp, &val)) { - return (val.s_addr); - } - return (INADDR_NONE); -} - -/** - * Check whether "cp" is a valid ascii representation - * of an Internet address and convert to a binary address. - * Returns 1 if the address is valid, 0 if not. - * This replaces inet_addr, the return value from which - * cannot distinguish between failure and a local broadcast address. - * - * @param cp IP address in ascii represenation (e.g. "127.0.0.1") - * @param addr pointer to which to save the ip address in network order - * @return 1 if cp could be converted to addr, 0 on failure - */ -int -inet_aton(const char *cp, struct in_addr *addr) -{ - u32_t val; - u8_t base; - char c; - u32_t parts[4]; - u32_t *pp = parts; - - c = *cp; - for (;;) { - /* - * Collect number up to ``.''. - * Values are specified as for C: - * 0x=hex, 0=octal, 1-9=decimal. - */ - if (!isdigit(c)) - return (0); - val = 0; - base = 10; - if (c == '0') { - c = *++cp; - if (c == 'x' || c == 'X') { - base = 16; - c = *++cp; - } else - base = 8; - } - for (;;) { - if (isdigit(c)) { - val = (val * base) + (int)(c - '0'); - c = *++cp; - } else if (base == 16 && isxdigit(c)) { - val = (val << 4) | (int)(c + 10 - (islower(c) ? 'a' : 'A')); - c = *++cp; - } else - break; - } - if (c == '.') { - /* - * Internet format: - * a.b.c.d - * a.b.c (with c treated as 16 bits) - * a.b (with b treated as 24 bits) - */ - if (pp >= parts + 3) - return (0); - *pp++ = val; - c = *++cp; - } else - break; - } - /* - * Check for trailing characters. - */ - if (c != '\0' && !isspace(c)) - return (0); - /* - * Concoct the address according to - * the number of parts specified. - */ - switch (pp - parts + 1) { - - case 0: - return (0); /* initial nondigit */ - - case 1: /* a -- 32 bits */ - break; - - case 2: /* a.b -- 8.24 bits */ - if (val > 0xffffffUL) - return (0); - val |= parts[0] << 24; - break; - - case 3: /* a.b.c -- 8.8.16 bits */ - if (val > 0xffff) - return (0); - val |= (parts[0] << 24) | (parts[1] << 16); - break; - - case 4: /* a.b.c.d -- 8.8.8.8 bits */ - if (val > 0xff) - return (0); - val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); - break; - } - if (addr) - addr->s_addr = htonl(val); - return (1); -} - -/** - * Convert numeric IP address into decimal dotted ASCII representation. - * returns ptr to static buffer; not reentrant! - * - * @param addr ip address in network order to convert - * @return pointer to a global static (!) buffer that holds the ASCII - * represenation of addr - */ -char * -inet_ntoa(struct in_addr addr) -{ - static char str[16]; - u32_t s_addr = addr.s_addr; - char inv[3]; - char *rp; - u8_t *ap; - u8_t rem; - u8_t n; - u8_t i; - - rp = str; - ap = (u8_t *)&s_addr; - for(n = 0; n < 4; n++) { - i = 0; - do { - rem = *ap % (u8_t)10; - *ap /= (u8_t)10; - inv[i++] = '0' + rem; - } while(*ap); - while(i--) - *rp++ = inv[i]; - *rp++ = '.'; - ap++; - } - *--rp = 0; - return str; -} - -/** - * These are reference implementations of the byte swapping functions. - * Again with the aim of being simple, correct and fully portable. - * Byte swapping is the second thing you would want to optimize. You will - * need to port it to your architecture and in your cc.h: - * - * #define LWIP_PLATFORM_BYTESWAP 1 - * #define LWIP_PLATFORM_HTONS(x) <your_htons> - * #define LWIP_PLATFORM_HTONL(x) <your_htonl> - * - * Note ntohs() and ntohl() are merely references to the htonx counterparts. - */ - -#if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) - -/** - * Convert an u16_t from host- to network byte order. - * - * @param n u16_t in host byte order - * @return n in network byte order - */ -u16_t -htons(u16_t n) -{ - return ((n & 0xff) << 8) | ((n & 0xff00) >> 8); -} - -/** - * Convert an u16_t from network- to host byte order. - * - * @param n u16_t in network byte order - * @return n in host byte order - */ -u16_t -ntohs(u16_t n) -{ - return htons(n); -} - -/** - * Convert an u32_t from host- to network byte order. - * - * @param n u32_t in host byte order - * @return n in network byte order - */ -u32_t -htonl(u32_t n) -{ - return ((n & 0xff) << 24) | - ((n & 0xff00) << 8) | - ((n & 0xff0000UL) >> 8) | - ((n & 0xff000000UL) >> 24); -} - -/** - * Convert an u32_t from network- to host byte order. - * - * @param n u32_t in network byte order - * @return n in host byte order - */ -u32_t -ntohl(u32_t n) -{ - return htonl(n); -} - -#endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet_chksum.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet_chksum.c deleted file mode 100644 index 47a11d4..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/inet_chksum.c +++ /dev/null @@ -1,440 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Incluse internet checksum functions. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/inet_chksum.h" -#include "lwip/inet.h" - -#include <stddef.h> - -/* These are some reference implementations of the checksum algorithm, with the - * aim of being simple, correct and fully portable. Checksumming is the - * first thing you would want to optimize for your platform. If you create - * your own version, link it in and in your cc.h put: - * - * #define LWIP_CHKSUM <your_checksum_routine> - * - * Or you can select from the implementations below by defining - * LWIP_CHKSUM_ALGORITHM to 1, 2 or 3. - */ - -#ifndef LWIP_CHKSUM -# define LWIP_CHKSUM lwip_standard_chksum -# ifndef LWIP_CHKSUM_ALGORITHM -# define LWIP_CHKSUM_ALGORITHM 1 -# endif -#endif -/* If none set: */ -#ifndef LWIP_CHKSUM_ALGORITHM -# define LWIP_CHKSUM_ALGORITHM 0 -#endif - -/** Like the name says... */ -#if LWIP_PLATFORM_BYTESWAP && (BYTE_ORDER == LITTLE_ENDIAN) -/* little endian and PLATFORM_BYTESWAP defined */ -#define SWAP_BYTES_IN_WORD(w) LWIP_PLATFORM_HTONS(w) -#else -/* can't use htons on big endian (or PLATFORM_BYTESWAP not defined)... */ -#define SWAP_BYTES_IN_WORD(w) ((w & 0xff) << 8) | ((w & 0xff00) >> 8) -#endif - -/** Split an u32_t in two u16_ts and add them up */ -#define FOLD_U32T(u) ((u >> 16) + (u & 0x0000ffffUL)) - -#if (LWIP_CHKSUM_ALGORITHM == 1) /* Version #1 */ -/** - * lwip checksum - * - * @param dataptr points to start of data to be summed at any boundary - * @param len length of data to be summed - * @return host order (!) lwip checksum (non-inverted Internet sum) - * - * @note accumulator size limits summable length to 64k - * @note host endianess is irrelevant (p3 RFC1071) - */ -static u16_t -lwip_standard_chksum(void *dataptr, u16_t len) -{ - u32_t acc; - u16_t src; - u8_t *octetptr; - - acc = 0; - /* dataptr may be at odd or even addresses */ - octetptr = (u8_t*)dataptr; - while (len > 1) { - /* declare first octet as most significant - thus assume network order, ignoring host order */ - src = (*octetptr) << 8; - octetptr++; - /* declare second octet as least significant */ - src |= (*octetptr); - octetptr++; - acc += src; - len -= 2; - } - if (len > 0) { - /* accumulate remaining octet */ - src = (*octetptr) << 8; - acc += src; - } - /* add deferred carry bits */ - acc = (acc >> 16) + (acc & 0x0000ffffUL); - if ((acc & 0xffff0000UL) != 0) { - acc = (acc >> 16) + (acc & 0x0000ffffUL); - } - /* This maybe a little confusing: reorder sum using htons() - instead of ntohs() since it has a little less call overhead. - The caller must invert bits for Internet sum ! */ - return htons((u16_t)acc); -} -#endif - -#if (LWIP_CHKSUM_ALGORITHM == 2) /* Alternative version #2 */ -/* - * Curt McDowell - * Broadcom Corp. - * csm@broadcom.com - * - * IP checksum two bytes at a time with support for - * unaligned buffer. - * Works for len up to and including 0x20000. - * by Curt McDowell, Broadcom Corp. 12/08/2005 - * - * @param dataptr points to start of data to be summed at any boundary - * @param len length of data to be summed - * @return host order (!) lwip checksum (non-inverted Internet sum) - */ - -static u16_t -lwip_standard_chksum(void *dataptr, int len) -{ - u8_t *pb = dataptr; - u16_t *ps, t = 0; - u32_t sum = 0; - int odd = ((u32_t)pb & 1); - - /* Get aligned to u16_t */ - if (odd && len > 0) { - ((u8_t *)&t)[1] = *pb++; - len--; - } - - /* Add the bulk of the data */ - ps = (u16_t *)pb; - while (len > 1) { - sum += *ps++; - len -= 2; - } - - /* Consume left-over byte, if any */ - if (len > 0) { - ((u8_t *)&t)[0] = *(u8_t *)ps;; - } - - /* Add end bytes */ - sum += t; - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - sum = FOLD_U32T(sum); - sum = FOLD_U32T(sum); - - /* Swap if alignment was odd */ - if (odd) { - sum = SWAP_BYTES_IN_WORD(sum); - } - - return sum; -} -#endif - -#if (LWIP_CHKSUM_ALGORITHM == 3) /* Alternative version #3 */ -/** - * An optimized checksum routine. Basically, it uses loop-unrolling on - * the checksum loop, treating the head and tail bytes specially, whereas - * the inner loop acts on 8 bytes at a time. - * - * @arg start of buffer to be checksummed. May be an odd byte address. - * @len number of bytes in the buffer to be checksummed. - * @return host order (!) lwip checksum (non-inverted Internet sum) - * - * by Curt McDowell, Broadcom Corp. December 8th, 2005 - */ - -static u16_t -lwip_standard_chksum(void *dataptr, int len) -{ - u8_t *pb = dataptr; - u16_t *ps, t = 0; - u32_t *pl; - u32_t sum = 0, tmp; - /* starts at odd byte address? */ - int odd = ((u32_t)pb & 1); - - if (odd && len > 0) { - ((u8_t *)&t)[1] = *pb++; - len--; - } - - ps = (u16_t *)pb; - - if (((u32_t)ps & 3) && len > 1) { - sum += *ps++; - len -= 2; - } - - pl = (u32_t *)ps; - - while (len > 7) { - tmp = sum + *pl++; /* ping */ - if (tmp < sum) { - tmp++; /* add back carry */ - } - - sum = tmp + *pl++; /* pong */ - if (sum < tmp) { - sum++; /* add back carry */ - } - - len -= 8; - } - - /* make room in upper bits */ - sum = FOLD_U32T(sum); - - ps = (u16_t *)pl; - - /* 16-bit aligned word remaining? */ - while (len > 1) { - sum += *ps++; - len -= 2; - } - - /* dangling tail byte remaining? */ - if (len > 0) { /* include odd byte */ - ((u8_t *)&t)[0] = *(u8_t *)ps; - } - - sum += t; /* add end bytes */ - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - sum = FOLD_U32T(sum); - sum = FOLD_U32T(sum); - - if (odd) { - sum = SWAP_BYTES_IN_WORD(sum); - } - - return sum; -} -#endif - -/* inet_chksum_pseudo: - * - * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain. - * IP addresses are expected to be in network byte order. - * - * @param p chain of pbufs over that a checksum should be calculated (ip data part) - * @param src source ip address (used for checksum of pseudo header) - * @param dst destination ip address (used for checksum of pseudo header) - * @param proto ip protocol (used for checksum of pseudo header) - * @param proto_len length of the ip data part (used for checksum of pseudo header) - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -u16_t -inet_chksum_pseudo(struct pbuf *p, - struct ip_addr *src, struct ip_addr *dest, - u8_t proto, u16_t proto_len) -{ - u32_t acc; - struct pbuf *q; - u8_t swapped; - - acc = 0; - swapped = 0; - /* iterate through all pbuf in chain */ - for(q = p; q != NULL; q = q->next) { - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n", - (void *)q, (void *)q->next)); - acc += LWIP_CHKSUM(q->payload, q->len); - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/ - /* just executing this next line is probably faster that the if statement needed - to check whether we really need to execute it, and does no harm */ - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/ - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - acc += (src->addr & 0xffffUL); - acc += ((src->addr >> 16) & 0xffffUL); - acc += (dest->addr & 0xffffUL); - acc += ((dest->addr >> 16) & 0xffffUL); - acc += (u32_t)htons((u16_t)proto); - acc += (u32_t)htons(proto_len); - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - acc = FOLD_U32T(acc); - acc = FOLD_U32T(acc); - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc)); - return (u16_t)~(acc & 0xffffUL); -} - -/* inet_chksum_pseudo: - * - * Calculates the pseudo Internet checksum used by TCP and UDP for a pbuf chain. - * IP addresses are expected to be in network byte order. - * - * @param p chain of pbufs over that a checksum should be calculated (ip data part) - * @param src source ip address (used for checksum of pseudo header) - * @param dst destination ip address (used for checksum of pseudo header) - * @param proto ip protocol (used for checksum of pseudo header) - * @param proto_len length of the ip data part (used for checksum of pseudo header) - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -/* Currently only used by UDPLITE, although this could change in the future. */ -#if LWIP_UDPLITE -u16_t -inet_chksum_pseudo_partial(struct pbuf *p, - struct ip_addr *src, struct ip_addr *dest, - u8_t proto, u16_t proto_len, u16_t chksum_len) -{ - u32_t acc; - struct pbuf *q; - u8_t swapped; - u16_t chklen; - - acc = 0; - swapped = 0; - /* iterate through all pbuf in chain */ - for(q = p; (q != NULL) && (chksum_len > 0); q = q->next) { - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): checksumming pbuf %p (has next %p) \n", - (void *)q, (void *)q->next)); - chklen = q->len; - if (chklen > chksum_len) { - chklen = chksum_len; - } - acc += LWIP_CHKSUM(q->payload, chklen); - chksum_len -= chklen; - LWIP_ASSERT("delete me", chksum_len < 0x7fff); - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): unwrapped lwip_chksum()=%"X32_F" \n", acc));*/ - /* fold the upper bit down */ - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - /*LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): wrapped lwip_chksum()=%"X32_F" \n", acc));*/ - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - acc += (src->addr & 0xffffUL); - acc += ((src->addr >> 16) & 0xffffUL); - acc += (dest->addr & 0xffffUL); - acc += ((dest->addr >> 16) & 0xffffUL); - acc += (u32_t)htons((u16_t)proto); - acc += (u32_t)htons(proto_len); - - /* Fold 32-bit sum to 16 bits - calling this twice is propably faster than if statements... */ - acc = FOLD_U32T(acc); - acc = FOLD_U32T(acc); - LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc)); - return (u16_t)~(acc & 0xffffUL); -} -#endif /* LWIP_UDPLITE */ - -/* inet_chksum: - * - * Calculates the Internet checksum over a portion of memory. Used primarily for IP - * and ICMP. - * - * @param dataptr start of the buffer to calculate the checksum (no alignment needed) - * @param len length of the buffer to calculate the checksum - * @return checksum (as u16_t) to be saved directly in the protocol header - */ - -u16_t -inet_chksum(void *dataptr, u16_t len) -{ - return ~LWIP_CHKSUM(dataptr, len); -} - -/** - * Calculate a checksum over a chain of pbufs (without pseudo-header, much like - * inet_chksum only pbufs are used). - * - * @param p pbuf chain over that the checksum should be calculated - * @return checksum (as u16_t) to be saved directly in the protocol header - */ -u16_t -inet_chksum_pbuf(struct pbuf *p) -{ - u32_t acc; - struct pbuf *q; - u8_t swapped; - - acc = 0; - swapped = 0; - for(q = p; q != NULL; q = q->next) { - acc += LWIP_CHKSUM(q->payload, q->len); - acc = FOLD_U32T(acc); - if (q->len % 2 != 0) { - swapped = 1 - swapped; - acc = SWAP_BYTES_IN_WORD(acc); - } - } - - if (swapped) { - acc = SWAP_BYTES_IN_WORD(acc); - } - return (u16_t)~(acc & 0xffffUL); -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip.c deleted file mode 100644 index a958242..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip.c +++ /dev/null @@ -1,725 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * This is the IPv4 layer implementation for incoming and outgoing IP traffic. - * - * @see ip_frag.c - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" -#include "lwip/ip.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/ip_frag.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/igmp.h" -#include "lwip/raw.h" -#include "lwip/udp.h" -#include "lwip/tcp.h" -#include "lwip/snmp.h" -#include "lwip/dhcp.h" -#include "lwip/stats.h" -#include "arch/perf.h" - -#include <string.h> - -/** - * The interface that provided the packet for the current callback - * invocation. - */ -struct netif *current_netif; - -/** - * Header of the input packet currently being processed. - */ -const struct ip_hdr *current_header; - -/** - * Finds the appropriate network interface for a given IP address. It - * searches the list of network interfaces linearly. A match is found - * if the masked IP address of the network interface equals the masked - * IP address given to the function. - * - * @param dest the destination IP address for which to find the route - * @return the netif on which to send to reach dest - */ -struct netif * -ip_route(struct ip_addr *dest) -{ - struct netif *netif; - - /* iterate through netifs */ - for(netif = netif_list; netif != NULL; netif = netif->next) { - /* network mask matches? */ - if (netif_is_up(netif)) { - if (ip_addr_netcmp(dest, &(netif->ip_addr), &(netif->netmask))) { - /* return netif on which to forward IP packet */ - return netif; - } - } - } - if ((netif_default == NULL) || (!netif_is_up(netif_default))) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_route: No route to 0x%"X32_F"\n", dest->addr)); - IP_STATS_INC(ip.rterr); - snmp_inc_ipoutnoroutes(); - return NULL; - } - /* no matching netif found, use default netif */ - return netif_default; -} - -#if IP_FORWARD -/** - * Forwards an IP packet. It finds an appropriate route for the - * packet, decrements the TTL value of the packet, adjusts the - * checksum and outputs the packet on the appropriate interface. - * - * @param p the packet to forward (p->payload points to IP header) - * @param iphdr the IP header of the input packet - * @param inp the netif on which this packet was received - * @return the netif on which the packet was sent (NULL if it wasn't sent) - */ -static struct netif * -ip_forward(struct pbuf *p, struct ip_hdr *iphdr, struct netif *inp) -{ - struct netif *netif; - - PERF_START; - /* Find network interface where to forward this IP packet to. */ - netif = ip_route((struct ip_addr *)&(iphdr->dest)); - if (netif == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: no forwarding route for 0x%"X32_F" found\n", - iphdr->dest.addr)); - snmp_inc_ipoutnoroutes(); - return (struct netif *)NULL; - } - /* Do not forward packets onto the same network interface on which - * they arrived. */ - if (netif == inp) { - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: not bouncing packets back on incoming interface.\n")); - snmp_inc_ipoutnoroutes(); - return (struct netif *)NULL; - } - - /* decrement TTL */ - IPH_TTL_SET(iphdr, IPH_TTL(iphdr) - 1); - /* send ICMP if TTL == 0 */ - if (IPH_TTL(iphdr) == 0) { - snmp_inc_ipinhdrerrors(); -#if LWIP_ICMP - /* Don't send ICMP messages in response to ICMP messages */ - if (IPH_PROTO(iphdr) != IP_PROTO_ICMP) { - icmp_time_exceeded(p, ICMP_TE_TTL); - } -#endif /* LWIP_ICMP */ - return (struct netif *)NULL; - } - - /* Incrementally update the IP checksum. */ - if (IPH_CHKSUM(iphdr) >= htons(0xffff - 0x100)) { - IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + htons(0x100) + 1); - } else { - IPH_CHKSUM_SET(iphdr, IPH_CHKSUM(iphdr) + htons(0x100)); - } - - LWIP_DEBUGF(IP_DEBUG, ("ip_forward: forwarding packet to 0x%"X32_F"\n", - iphdr->dest.addr)); - - IP_STATS_INC(ip.fw); - IP_STATS_INC(ip.xmit); - snmp_inc_ipforwdatagrams(); - - PERF_STOP("ip_forward"); - /* transmit pbuf on chosen interface */ - netif->output(netif, p, (struct ip_addr *)&(iphdr->dest)); - return netif; -} -#endif /* IP_FORWARD */ - -/** - * This function is called by the network interface device driver when - * an IP packet is received. The function does the basic checks of the - * IP header such as packet size being at least larger than the header - * size etc. If the packet was not destined for us, the packet is - * forwarded (using ip_forward). The IP checksum is always checked. - * - * Finally, the packet is sent to the upper layer protocol input function. - * - * @param p the received IP packet (p->payload points to IP header) - * @param inp the netif on which this packet was received - * @return ERR_OK if the packet was processed (could return ERR_* if it wasn't - * processed, but currently always returns ERR_OK) - */ -err_t -ip_input(struct pbuf *p, struct netif *inp) -{ - struct ip_hdr *iphdr; - struct netif *netif; - u16_t iphdr_hlen; - u16_t iphdr_len; -#if LWIP_DHCP - int check_ip_src=1; -#endif /* LWIP_DHCP */ - - IP_STATS_INC(ip.recv); - snmp_inc_ipinreceives(); - - /* identify the IP header */ - iphdr = p->payload; - if (IPH_V(iphdr) != 4) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_WARNING, ("IP packet dropped due to bad version number %"U16_F"\n", IPH_V(iphdr))); - ip_debug_print(p); - pbuf_free(p); - IP_STATS_INC(ip.err); - IP_STATS_INC(ip.drop); - snmp_inc_ipinhdrerrors(); - return ERR_OK; - } - - /* obtain IP header length in number of 32-bit words */ - iphdr_hlen = IPH_HL(iphdr); - /* calculate IP header length in bytes */ - iphdr_hlen *= 4; - /* obtain ip length in bytes */ - iphdr_len = ntohs(IPH_LEN(iphdr)); - - /* header length exceeds first pbuf length, or ip length exceeds total pbuf length? */ - if ((iphdr_hlen > p->len) || (iphdr_len > p->tot_len)) { - if (iphdr_hlen > p->len) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("IP header (len %"U16_F") does not fit in first pbuf (len %"U16_F"), IP packet dropped.\n", - iphdr_hlen, p->len)); - } - if (iphdr_len > p->tot_len) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("IP (len %"U16_F") is longer than pbuf (len %"U16_F"), IP packet dropped.\n", - iphdr_len, p->tot_len)); - } - /* free (drop) packet pbufs */ - pbuf_free(p); - IP_STATS_INC(ip.lenerr); - IP_STATS_INC(ip.drop); - snmp_inc_ipindiscards(); - return ERR_OK; - } - - /* verify checksum */ -#if CHECKSUM_CHECK_IP - if (inet_chksum(iphdr, iphdr_hlen) != 0) { - - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("Checksum (0x%"X16_F") failed, IP packet dropped.\n", inet_chksum(iphdr, iphdr_hlen))); - ip_debug_print(p); - pbuf_free(p); - IP_STATS_INC(ip.chkerr); - IP_STATS_INC(ip.drop); - snmp_inc_ipinhdrerrors(); - return ERR_OK; - } -#endif - - /* Trim pbuf. This should have been done at the netif layer, - * but we'll do it anyway just to be sure that its done. */ - pbuf_realloc(p, iphdr_len); - - /* match packet against an interface, i.e. is this packet for us? */ -#if LWIP_IGMP - if (ip_addr_ismulticast(&(iphdr->dest))) { - if ((inp->flags & NETIF_FLAG_IGMP) && (igmp_lookfor_group(inp, &(iphdr->dest)))) { - netif = inp; - } else { - netif = NULL; - } - } else -#endif /* LWIP_IGMP */ - { - /* start trying with inp. if that's not acceptable, start walking the - list of configured netifs. - 'first' is used as a boolean to mark whether we started walking the list */ - int first = 1; - netif = inp; - do { - LWIP_DEBUGF(IP_DEBUG, ("ip_input: iphdr->dest 0x%"X32_F" netif->ip_addr 0x%"X32_F" (0x%"X32_F", 0x%"X32_F", 0x%"X32_F")\n", - iphdr->dest.addr, netif->ip_addr.addr, - iphdr->dest.addr & netif->netmask.addr, - netif->ip_addr.addr & netif->netmask.addr, - iphdr->dest.addr & ~(netif->netmask.addr))); - - /* interface is up and configured? */ - if ((netif_is_up(netif)) && (!ip_addr_isany(&(netif->ip_addr)))) { - /* unicast to this interface address? */ - if (ip_addr_cmp(&(iphdr->dest), &(netif->ip_addr)) || - /* or broadcast on this interface network address? */ - ip_addr_isbroadcast(&(iphdr->dest), netif)) { - LWIP_DEBUGF(IP_DEBUG, ("ip_input: packet accepted on interface %c%c\n", - netif->name[0], netif->name[1])); - /* break out of for loop */ - break; - } - } - if (first) { - first = 0; - netif = netif_list; - } else { - netif = netif->next; - } - if (netif == inp) { - netif = netif->next; - } - } while(netif != NULL); - } - -#if LWIP_DHCP - /* Pass DHCP messages regardless of destination address. DHCP traffic is addressed - * using link layer addressing (such as Ethernet MAC) so we must not filter on IP. - * According to RFC 1542 section 3.1.1, referred by RFC 2131). - */ - if (netif == NULL) { - /* remote port is DHCP server? */ - if (IPH_PROTO(iphdr) == IP_PROTO_UDP) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: UDP packet to DHCP client port %"U16_F"\n", - ntohs(((struct udp_hdr *)((u8_t *)iphdr + iphdr_hlen))->dest))); - if (ntohs(((struct udp_hdr *)((u8_t *)iphdr + iphdr_hlen))->dest) == DHCP_CLIENT_PORT) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: DHCP packet accepted.\n")); - netif = inp; - check_ip_src = 0; - } - } - } -#endif /* LWIP_DHCP */ - - /* broadcast or multicast packet source address? Compliant with RFC 1122: 3.2.1.3 */ -#if LWIP_DHCP - /* DHCP servers need 0.0.0.0 to be allowed as source address (RFC 1.1.2.2: 3.2.1.3/a) */ - if (check_ip_src && (iphdr->src.addr != 0)) -#endif /* LWIP_DHCP */ - { if ((ip_addr_isbroadcast(&(iphdr->src), inp)) || - (ip_addr_ismulticast(&(iphdr->src)))) { - /* packet source is not valid */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, ("ip_input: packet source is not valid.\n")); - /* free (drop) packet pbufs */ - pbuf_free(p); - IP_STATS_INC(ip.drop); - snmp_inc_ipinaddrerrors(); - snmp_inc_ipindiscards(); - return ERR_OK; - } - } - - /* packet not for us? */ - if (netif == NULL) { - /* packet not for us, route or discard */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_TRACE, ("ip_input: packet not for us.\n")); -#if IP_FORWARD - /* non-broadcast packet? */ - if (!ip_addr_isbroadcast(&(iphdr->dest), inp)) { - /* try to forward IP packet on (other) interfaces */ - ip_forward(p, iphdr, inp); - } else -#endif /* IP_FORWARD */ - { - snmp_inc_ipinaddrerrors(); - snmp_inc_ipindiscards(); - } - pbuf_free(p); - return ERR_OK; - } - /* packet consists of multiple fragments? */ - if ((IPH_OFFSET(iphdr) & htons(IP_OFFMASK | IP_MF)) != 0) { -#if IP_REASSEMBLY /* packet fragment reassembly code present? */ - LWIP_DEBUGF(IP_DEBUG, ("IP packet is a fragment (id=0x%04"X16_F" tot_len=%"U16_F" len=%"U16_F" MF=%"U16_F" offset=%"U16_F"), calling ip_reass()\n", - ntohs(IPH_ID(iphdr)), p->tot_len, ntohs(IPH_LEN(iphdr)), !!(IPH_OFFSET(iphdr) & htons(IP_MF)), (ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK)*8)); - /* reassemble the packet*/ - p = ip_reass(p); - /* packet not fully reassembled yet? */ - if (p == NULL) { - return ERR_OK; - } - iphdr = p->payload; -#else /* IP_REASSEMBLY == 0, no packet fragment reassembly code present */ - pbuf_free(p); - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since it was fragmented (0x%"X16_F") (while IP_REASSEMBLY == 0).\n", - ntohs(IPH_OFFSET(iphdr)))); - IP_STATS_INC(ip.opterr); - IP_STATS_INC(ip.drop); - /* unsupported protocol feature */ - snmp_inc_ipinunknownprotos(); - return ERR_OK; -#endif /* IP_REASSEMBLY */ - } - -#if IP_OPTIONS_ALLOWED == 0 /* no support for IP options in the IP header? */ - -#if LWIP_IGMP - /* there is an extra "router alert" option in IGMP messages which we allow for but do not police */ - if((iphdr_hlen > IP_HLEN && (IPH_PROTO(iphdr) != IP_PROTO_IGMP)) { -#else - if (iphdr_hlen > IP_HLEN) { -#endif /* LWIP_IGMP */ - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("IP packet dropped since there were IP options (while IP_OPTIONS_ALLOWED == 0).\n")); - pbuf_free(p); - IP_STATS_INC(ip.opterr); - IP_STATS_INC(ip.drop); - /* unsupported protocol feature */ - snmp_inc_ipinunknownprotos(); - return ERR_OK; - } -#endif /* IP_OPTIONS_ALLOWED == 0 */ - - /* send to upper layers */ - LWIP_DEBUGF(IP_DEBUG, ("ip_input: \n")); - ip_debug_print(p); - LWIP_DEBUGF(IP_DEBUG, ("ip_input: p->len %"U16_F" p->tot_len %"U16_F"\n", p->len, p->tot_len)); - - current_netif = inp; - current_header = iphdr; - -#if LWIP_RAW - /* raw input did not eat the packet? */ - if (raw_input(p, inp) == 0) -#endif /* LWIP_RAW */ - { - - switch (IPH_PROTO(iphdr)) { -#if LWIP_UDP - case IP_PROTO_UDP: -#if LWIP_UDPLITE - case IP_PROTO_UDPLITE: -#endif /* LWIP_UDPLITE */ - snmp_inc_ipindelivers(); - udp_input(p, inp); - break; -#endif /* LWIP_UDP */ -#if LWIP_TCP - case IP_PROTO_TCP: - snmp_inc_ipindelivers(); - tcp_input(p, inp); - break; -#endif /* LWIP_TCP */ -#if LWIP_ICMP - case IP_PROTO_ICMP: - snmp_inc_ipindelivers(); - icmp_input(p, inp); - break; -#endif /* LWIP_ICMP */ -#if LWIP_IGMP - case IP_PROTO_IGMP: - igmp_input(p,inp,&(iphdr->dest)); - break; -#endif /* LWIP_IGMP */ - default: -#if LWIP_ICMP - /* send ICMP destination protocol unreachable unless is was a broadcast */ - if (!ip_addr_isbroadcast(&(iphdr->dest), inp) && - !ip_addr_ismulticast(&(iphdr->dest))) { - p->payload = iphdr; - icmp_dest_unreach(p, ICMP_DUR_PROTO); - } -#endif /* LWIP_ICMP */ - pbuf_free(p); - - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("Unsupported transport protocol %"U16_F"\n", IPH_PROTO(iphdr))); - - IP_STATS_INC(ip.proterr); - IP_STATS_INC(ip.drop); - snmp_inc_ipinunknownprotos(); - } - } - - current_netif = NULL; - current_header = NULL; - - return ERR_OK; -} - -/** - * Sends an IP packet on a network interface. This function constructs - * the IP header and calculates the IP header checksum. If the source - * IP address is NULL, the IP address of the outgoing network - * interface is filled in as source address. - * If the destination IP address is IP_HDRINCL, p is assumed to already - * include an IP header and p->payload points to it instead of the data. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param netif the netif on which to send this packet - * @return ERR_OK if the packet was sent OK - * ERR_BUF if p doesn't have enough space for IP/LINK headers - * returns errors returned by netif->output - * - * @note ip_id: RFC791 "some host may be able to simply use - * unique identifiers independent of destination" - */ -err_t -ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, - u8_t proto, struct netif *netif) -{ -#if IP_OPTIONS_SEND - return ip_output_if_opt(p, src, dest, ttl, tos, proto, netif, NULL, 0); -} - -/** - * Same as ip_output_if() but with the possibility to include IP options: - * - * @ param ip_options pointer to the IP options, copied into the IP header - * @ param optlen length of ip_options - */ -err_t ip_output_if_opt(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options, - u16_t optlen) -{ -#endif /* IP_OPTIONS_SEND */ - struct ip_hdr *iphdr; - static u16_t ip_id = 0; - - snmp_inc_ipoutrequests(); - - /* Should the IP header be generated or is it already included in p? */ - if (dest != IP_HDRINCL) { - u16_t ip_hlen = IP_HLEN; -#if IP_OPTIONS_SEND - u16_t optlen_aligned = 0; - if (optlen != 0) { - /* round up to a multiple of 4 */ - optlen_aligned = ((optlen + 3) & ~3); - ip_hlen += optlen_aligned; - /* First write in the IP options */ - if (pbuf_header(p, optlen_aligned)) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output_if_opt: not enough room for IP options in pbuf\n")); - IP_STATS_INC(ip.err); - snmp_inc_ipoutdiscards(); - return ERR_BUF; - } - MEMCPY(p->payload, ip_options, optlen); - if (optlen < optlen_aligned) { - /* zero the remaining bytes */ - memset(((char*)p->payload) + optlen, 0, optlen_aligned - optlen); - } - } -#endif /* IP_OPTIONS_SEND */ - /* generate IP header */ - if (pbuf_header(p, IP_HLEN)) { - LWIP_DEBUGF(IP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("ip_output: not enough room for IP header in pbuf\n")); - - IP_STATS_INC(ip.err); - snmp_inc_ipoutdiscards(); - return ERR_BUF; - } - - iphdr = p->payload; - LWIP_ASSERT("check that first pbuf can hold struct ip_hdr", - (p->len >= sizeof(struct ip_hdr))); - - IPH_TTL_SET(iphdr, ttl); - IPH_PROTO_SET(iphdr, proto); - - ip_addr_set(&(iphdr->dest), dest); - - IPH_VHLTOS_SET(iphdr, 4, ip_hlen / 4, tos); - IPH_LEN_SET(iphdr, htons(p->tot_len)); - IPH_OFFSET_SET(iphdr, 0); - IPH_ID_SET(iphdr, htons(ip_id)); - ++ip_id; - - if (ip_addr_isany(src)) { - ip_addr_set(&(iphdr->src), &(netif->ip_addr)); - } else { - ip_addr_set(&(iphdr->src), src); - } - - IPH_CHKSUM_SET(iphdr, 0); -#if CHECKSUM_GEN_IP - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, ip_hlen)); -#endif - } else { - /* IP header already included in p */ - iphdr = p->payload; - dest = &(iphdr->dest); - } - - IP_STATS_INC(ip.xmit); - - LWIP_DEBUGF(IP_DEBUG, ("ip_output_if: %c%c%"U16_F"\n", netif->name[0], netif->name[1], netif->num)); - ip_debug_print(p); - -#if ENABLE_LOOPBACK - if (ip_addr_cmp(dest, &netif->ip_addr)) { - /* Packet to self, enqueue it for loopback */ - LWIP_DEBUGF(IP_DEBUG, ("netif_loop_output()")); - return netif_loop_output(netif, p, dest); - } -#endif /* ENABLE_LOOPBACK */ -#if IP_FRAG - /* don't fragment if interface has mtu set to 0 [loopif] */ - if (netif->mtu && (p->tot_len > netif->mtu)) { - return ip_frag(p,netif,dest); - } -#endif - - LWIP_DEBUGF(IP_DEBUG, ("netif->output()")); - return netif->output(netif, p, dest); -} - -/** - * Simple interface to ip_output_if. It finds the outgoing network - * interface and calls upon ip_output_if to do the actual work. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * - * @return ERR_RTE if no route is found - * see ip_output_if() for more return values - */ -err_t -ip_output(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto) -{ - struct netif *netif; - - if ((netif = ip_route(dest)) == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to 0x%"X32_F"\n", dest->addr)); - IP_STATS_INC(ip.rterr); - return ERR_RTE; - } - - return ip_output_if(p, src, dest, ttl, tos, proto, netif); -} - -#if LWIP_NETIF_HWADDRHINT -/** Like ip_output, but takes and addr_hint pointer that is passed on to netif->addr_hint - * before calling ip_output_if. - * - * @param p the packet to send (p->payload points to the data, e.g. next - protocol header; if dest == IP_HDRINCL, p already includes an IP - header and p->payload points to that IP header) - * @param src the source IP address to send from (if src == IP_ADDR_ANY, the - * IP address of the netif used to send is used as source address) - * @param dest the destination IP address to send the packet to - * @param ttl the TTL value to be set in the IP header - * @param tos the TOS value to be set in the IP header - * @param proto the PROTOCOL to be set in the IP header - * @param addr_hint address hint pointer set to netif->addr_hint before - * calling ip_output_if() - * - * @return ERR_RTE if no route is found - * see ip_output_if() for more return values - */ -err_t -ip_output_hinted(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint) -{ - struct netif *netif; - err_t err; - - if ((netif = ip_route(dest)) == NULL) { - LWIP_DEBUGF(IP_DEBUG, ("ip_output: No route to 0x%"X32_F"\n", dest->addr)); - IP_STATS_INC(ip.rterr); - return ERR_RTE; - } - - netif->addr_hint = addr_hint; - err = ip_output_if(p, src, dest, ttl, tos, proto, netif); - netif->addr_hint = NULL; - - return err; -} -#endif /* LWIP_NETIF_HWADDRHINT*/ - -#if IP_DEBUG -/* Print an IP header by using LWIP_DEBUGF - * @param p an IP packet, p->payload pointing to the IP header - */ -void -ip_debug_print(struct pbuf *p) -{ - struct ip_hdr *iphdr = p->payload; - u8_t *payload; - - payload = (u8_t *)iphdr + IP_HLEN; - - LWIP_DEBUGF(IP_DEBUG, ("IP header:\n")); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("|%2"S16_F" |%2"S16_F" | 0x%02"X16_F" | %5"U16_F" | (v, hl, tos, len)\n", - IPH_V(iphdr), - IPH_HL(iphdr), - IPH_TOS(iphdr), - ntohs(IPH_LEN(iphdr)))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %5"U16_F" |%"U16_F"%"U16_F"%"U16_F"| %4"U16_F" | (id, flags, offset)\n", - ntohs(IPH_ID(iphdr)), - ntohs(IPH_OFFSET(iphdr)) >> 15 & 1, - ntohs(IPH_OFFSET(iphdr)) >> 14 & 1, - ntohs(IPH_OFFSET(iphdr)) >> 13 & 1, - ntohs(IPH_OFFSET(iphdr)) & IP_OFFMASK)); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | 0x%04"X16_F" | (ttl, proto, chksum)\n", - IPH_TTL(iphdr), - IPH_PROTO(iphdr), - ntohs(IPH_CHKSUM(iphdr)))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | %3"U16_F" | %3"U16_F" | (src)\n", - ip4_addr1(&iphdr->src), - ip4_addr2(&iphdr->src), - ip4_addr3(&iphdr->src), - ip4_addr4(&iphdr->src))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(IP_DEBUG, ("| %3"U16_F" | %3"U16_F" | %3"U16_F" | %3"U16_F" | (dest)\n", - ip4_addr1(&iphdr->dest), - ip4_addr2(&iphdr->dest), - ip4_addr3(&iphdr->dest), - ip4_addr4(&iphdr->dest))); - LWIP_DEBUGF(IP_DEBUG, ("+-------------------------------+\n")); -} -#endif /* IP_DEBUG */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_addr.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_addr.c deleted file mode 100644 index 33e0aad..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_addr.c +++ /dev/null @@ -1,86 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * This is the IPv4 address tools implementation. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" -#include "lwip/ip_addr.h" -#include "lwip/inet.h" -#include "lwip/netif.h" - -#define IP_ADDR_ANY_VALUE 0x00000000UL -#define IP_ADDR_BROADCAST_VALUE 0xffffffffUL - -/* used by IP_ADDR_ANY and IP_ADDR_BROADCAST in ip_addr.h */ -const struct ip_addr ip_addr_any = { IP_ADDR_ANY_VALUE }; -const struct ip_addr ip_addr_broadcast = { IP_ADDR_BROADCAST_VALUE }; - -/** - * Determine if an address is a broadcast address on a network interface - * - * @param addr address to be checked - * @param netif the network interface against which the address is checked - * @return returns non-zero if the address is a broadcast address - */ -u8_t ip_addr_isbroadcast(struct ip_addr *addr, struct netif *netif) -{ - u32_t addr2test; - - addr2test = addr->addr; - /* all ones (broadcast) or all zeroes (old skool broadcast) */ - if ((~addr2test == IP_ADDR_ANY_VALUE) || - (addr2test == IP_ADDR_ANY_VALUE)) - return 1; - /* no broadcast support on this network interface? */ - else if ((netif->flags & NETIF_FLAG_BROADCAST) == 0) - /* the given address cannot be a broadcast address - * nor can we check against any broadcast addresses */ - return 0; - /* address matches network interface address exactly? => no broadcast */ - else if (addr2test == netif->ip_addr.addr) - return 0; - /* on the same (sub) network... */ - else if (ip_addr_netcmp(addr, &(netif->ip_addr), &(netif->netmask)) - /* ...and host identifier bits are all ones? =>... */ - && ((addr2test & ~netif->netmask.addr) == - (IP_ADDR_BROADCAST_VALUE & ~netif->netmask.addr))) - /* => network broadcast address */ - return 1; - else - return 0; -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_frag.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_frag.c deleted file mode 100644 index ab35572..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/ipv4/ip_frag.c +++ /dev/null @@ -1,794 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * This is the IPv4 packet segmentation and reassembly implementation. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Jani Monoses <jani@iv.ro> - * Simon Goldschmidt - * original reassembly code by Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" -#include "lwip/ip_frag.h" -#include "lwip/ip.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/netif.h" -#include "lwip/snmp.h" -#include "lwip/stats.h" -#include "lwip/icmp.h" - -#include <string.h> - -#if IP_REASSEMBLY -/** - * The IP reassembly code currently has the following limitations: - * - IP header options are not supported - * - fragments must not overlap (e.g. due to different routes), - * currently, overlapping or duplicate fragments are thrown away - * if IP_REASS_CHECK_OVERLAP=1 (the default)! - * - * @todo: work with IP header options - */ - -/** Setting this to 0, you can turn off checking the fragments for overlapping - * regions. The code gets a little smaller. Only use this if you know that - * overlapping won't occur on your network! */ -#ifndef IP_REASS_CHECK_OVERLAP -#define IP_REASS_CHECK_OVERLAP 1 -#endif /* IP_REASS_CHECK_OVERLAP */ - -/** Set to 0 to prevent freeing the oldest datagram when the reassembly buffer is - * full (IP_REASS_MAX_PBUFS pbufs are enqueued). The code gets a little smaller. - * Datagrams will be freed by timeout only. Especially useful when MEMP_NUM_REASSDATA - * is set to 1, so one datagram can be reassembled at a time, only. */ -#ifndef IP_REASS_FREE_OLDEST -#define IP_REASS_FREE_OLDEST 1 -#endif /* IP_REASS_FREE_OLDEST */ - -#define IP_REASS_FLAG_LASTFRAG 0x01 - -/** This is a helper struct which holds the starting - * offset and the ending offset of this fragment to - * easily chain the fragments. - * It has to be packed since it has to fit inside the IP header. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_reass_helper { - PACK_STRUCT_FIELD(struct pbuf *next_pbuf); - PACK_STRUCT_FIELD(u16_t start); - PACK_STRUCT_FIELD(u16_t end); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define IP_ADDRESSES_AND_ID_MATCH(iphdrA, iphdrB) \ - (ip_addr_cmp(&(iphdrA)->src, &(iphdrB)->src) && \ - ip_addr_cmp(&(iphdrA)->dest, &(iphdrB)->dest) && \ - IPH_ID(iphdrA) == IPH_ID(iphdrB)) ? 1 : 0 - -/* global variables */ -static struct ip_reassdata *reassdatagrams; -static u16_t ip_reass_pbufcount; - -/* function prototypes */ -static void ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev); -static int ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev); - -/** - * Reassembly timer base function - * for both NO_SYS == 0 and 1 (!). - * - * Should be called every 1000 msec (defined by IP_TMR_INTERVAL). - */ -void -ip_reass_tmr(void) -{ - struct ip_reassdata *r, *prev = NULL; - - r = reassdatagrams; - while (r != NULL) { - /* Decrement the timer. Once it reaches 0, - * clean up the incomplete fragment assembly */ - if (r->timer > 0) { - r->timer--; - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer dec %"U16_F"\n",(u16_t)r->timer)); - prev = r; - r = r->next; - } else { - /* reassembly timed out */ - struct ip_reassdata *tmp; - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass_tmr: timer timed out\n")); - tmp = r; - /* get the next pointer before freeing */ - r = r->next; - /* free the helper struct and all enqueued pbufs */ - ip_reass_free_complete_datagram(tmp, prev); - } - } -} - -/** - * Free a datagram (struct ip_reassdata) and all its pbufs. - * Updates the total count of enqueued pbufs (ip_reass_pbufcount), - * SNMP counters and sends an ICMP time exceeded packet. - * - * @param ipr datagram to free - * @param prev the previous datagram in the linked list - * @return the number of pbufs freed - */ -static int -ip_reass_free_complete_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev) -{ - int pbufs_freed = 0; - struct pbuf *p; - struct ip_reass_helper *iprh; - - LWIP_ASSERT("prev != ipr", prev != ipr); - if (prev != NULL) { - LWIP_ASSERT("prev->next == ipr", prev->next == ipr); - } - - snmp_inc_ipreasmfails(); -#if LWIP_ICMP - iprh = (struct ip_reass_helper *)ipr->p->payload; - if (iprh->start == 0) { - /* The first fragment was received, send ICMP time exceeded. */ - /* First, de-queue the first pbuf from r->p. */ - p = ipr->p; - ipr->p = iprh->next_pbuf; - /* Then, copy the original header into it. */ - SMEMCPY(p->payload, &ipr->iphdr, IP_HLEN); - icmp_time_exceeded(p, ICMP_TE_FRAG); - pbufs_freed += pbuf_clen(p); - pbuf_free(p); - } -#endif /* LWIP_ICMP */ - - /* First, free all received pbufs. The individual pbufs need to be released - separately as they have not yet been chained */ - p = ipr->p; - while (p != NULL) { - struct pbuf *pcur; - iprh = (struct ip_reass_helper *)p->payload; - pcur = p; - /* get the next pointer before freeing */ - p = iprh->next_pbuf; - pbufs_freed += pbuf_clen(pcur); - pbuf_free(pcur); - } - /* Then, unchain the struct ip_reassdata from the list and free it. */ - ip_reass_dequeue_datagram(ipr, prev); - LWIP_ASSERT("ip_reass_pbufcount >= clen", ip_reass_pbufcount >= pbufs_freed); - ip_reass_pbufcount -= pbufs_freed; - - return pbufs_freed; -} - -#if IP_REASS_FREE_OLDEST -/** - * Free the oldest datagram to make room for enqueueing new fragments. - * The datagram 'fraghdr' belongs to is not freed! - * - * @param fraghdr IP header of the current fragment - * @param pbufs_needed number of pbufs needed to enqueue - * (used for freeing other datagrams if not enough space) - * @return the number of pbufs freed - */ -static int -ip_reass_remove_oldest_datagram(struct ip_hdr *fraghdr, int pbufs_needed) -{ - /* @todo Can't we simply remove the last datagram in the - * linked list behind reassdatagrams? - */ - struct ip_reassdata *r, *oldest, *prev; - int pbufs_freed = 0, pbufs_freed_current; - int other_datagrams; - - /* Free datagrams until being allowed to enqueue 'pbufs_needed' pbufs, - * but don't free the datagram that 'fraghdr' belongs to! */ - do { - oldest = NULL; - prev = NULL; - other_datagrams = 0; - r = reassdatagrams; - while (r != NULL) { - if (!IP_ADDRESSES_AND_ID_MATCH(&r->iphdr, fraghdr)) { - /* Not the same datagram as fraghdr */ - other_datagrams++; - if (oldest == NULL) { - oldest = r; - } else if (r->timer <= oldest->timer) { - /* older than the previous oldest */ - oldest = r; - } - } - if (r->next != NULL) { - prev = r; - } - r = r->next; - } - if (oldest != NULL) { - pbufs_freed_current = ip_reass_free_complete_datagram(oldest, prev); - pbufs_freed += pbufs_freed_current; - } - } while ((pbufs_freed < pbufs_needed) && (other_datagrams > 1)); - return pbufs_freed; -} -#endif /* IP_REASS_FREE_OLDEST */ - -/** - * Enqueues a new fragment into the fragment queue - * @param fraghdr points to the new fragments IP hdr - * @param clen number of pbufs needed to enqueue (used for freeing other datagrams if not enough space) - * @return A pointer to the queue location into which the fragment was enqueued - */ -static struct ip_reassdata* -ip_reass_enqueue_new_datagram(struct ip_hdr *fraghdr, int clen) -{ - struct ip_reassdata* ipr; - /* No matching previous fragment found, allocate a new reassdata struct */ - ipr = memp_malloc(MEMP_REASSDATA); - if (ipr == NULL) { -#if IP_REASS_FREE_OLDEST - if (ip_reass_remove_oldest_datagram(fraghdr, clen) >= clen) { - ipr = memp_malloc(MEMP_REASSDATA); - } - if (ipr == NULL) -#endif /* IP_REASS_FREE_OLDEST */ - { - IPFRAG_STATS_INC(ip_frag.memerr); - LWIP_DEBUGF(IP_REASS_DEBUG,("Failed to alloc reassdata struct\n")); - return NULL; - } - } - memset(ipr, 0, sizeof(struct ip_reassdata)); - ipr->timer = IP_REASS_MAXAGE; - - /* enqueue the new structure to the front of the list */ - ipr->next = reassdatagrams; - reassdatagrams = ipr; - /* copy the ip header for later tests and input */ - /* @todo: no ip options supported? */ - SMEMCPY(&(ipr->iphdr), fraghdr, IP_HLEN); - return ipr; -} - -/** - * Dequeues a datagram from the datagram queue. Doesn't deallocate the pbufs. - * @param ipr points to the queue entry to dequeue - */ -static void -ip_reass_dequeue_datagram(struct ip_reassdata *ipr, struct ip_reassdata *prev) -{ - - /* dequeue the reass struct */ - if (reassdatagrams == ipr) { - /* it was the first in the list */ - reassdatagrams = ipr->next; - } else { - /* it wasn't the first, so it must have a valid 'prev' */ - LWIP_ASSERT("sanity check linked list", prev != NULL); - prev->next = ipr->next; - } - - /* now we can free the ip_reass struct */ - memp_free(MEMP_REASSDATA, ipr); -} - -/** - * Chain a new pbuf into the pbuf list that composes the datagram. The pbuf list - * will grow over time as new pbufs are rx. - * Also checks that the datagram passes basic continuity checks (if the last - * fragment was received at least once). - * @param root_p points to the 'root' pbuf for the current datagram being assembled. - * @param new_p points to the pbuf for the current fragment - * @return 0 if invalid, >0 otherwise - */ -static int -ip_reass_chain_frag_into_datagram_and_validate(struct ip_reassdata *ipr, struct pbuf *new_p) -{ - struct ip_reass_helper *iprh, *iprh_tmp, *iprh_prev=NULL; - struct pbuf *q; - u16_t offset,len; - struct ip_hdr *fraghdr; - int valid = 1; - - /* Extract length and fragment offset from current fragment */ - fraghdr = (struct ip_hdr*)new_p->payload; - len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4; - offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8; - - /* overwrite the fragment's ip header from the pbuf with our helper struct, - * and setup the embedded helper structure. */ - /* make sure the struct ip_reass_helper fits into the IP header */ - LWIP_ASSERT("sizeof(struct ip_reass_helper) <= IP_HLEN", - sizeof(struct ip_reass_helper) <= IP_HLEN); - iprh = (struct ip_reass_helper*)new_p->payload; - iprh->next_pbuf = NULL; - iprh->start = offset; - iprh->end = offset + len; - - /* Iterate through until we either get to the end of the list (append), - * or we find on with a larger offset (insert). */ - for (q = ipr->p; q != NULL;) { - iprh_tmp = (struct ip_reass_helper*)q->payload; - if (iprh->start < iprh_tmp->start) { - /* the new pbuf should be inserted before this */ - iprh->next_pbuf = q; - if (iprh_prev != NULL) { - /* not the fragment with the lowest offset */ -#if IP_REASS_CHECK_OVERLAP - if ((iprh->start < iprh_prev->end) || (iprh->end > iprh_tmp->start)) { - /* fragment overlaps with previous or following, throw away */ - goto freepbuf; - } -#endif /* IP_REASS_CHECK_OVERLAP */ - iprh_prev->next_pbuf = new_p; - } else { - /* fragment with the lowest offset */ - ipr->p = new_p; - } - break; - } else if(iprh->start == iprh_tmp->start) { - /* received the same datagram twice: no need to keep the datagram */ - goto freepbuf; -#if IP_REASS_CHECK_OVERLAP - } else if(iprh->start < iprh_tmp->end) { - /* overlap: no need to keep the new datagram */ - goto freepbuf; -#endif /* IP_REASS_CHECK_OVERLAP */ - } else { - /* Check if the fragments received so far have no wholes. */ - if (iprh_prev != NULL) { - if (iprh_prev->end != iprh_tmp->start) { - /* There is a fragment missing between the current - * and the previous fragment */ - valid = 0; - } - } - } - q = iprh_tmp->next_pbuf; - iprh_prev = iprh_tmp; - } - - /* If q is NULL, then we made it to the end of the list. Determine what to do now */ - if (q == NULL) { - if (iprh_prev != NULL) { - /* this is (for now), the fragment with the highest offset: - * chain it to the last fragment */ -#if IP_REASS_CHECK_OVERLAP - LWIP_ASSERT("check fragments don't overlap", iprh_prev->end <= iprh->start); -#endif /* IP_REASS_CHECK_OVERLAP */ - iprh_prev->next_pbuf = new_p; - if (iprh_prev->end != iprh->start) { - valid = 0; - } - } else { -#if IP_REASS_CHECK_OVERLAP - LWIP_ASSERT("no previous fragment, this must be the first fragment!", - ipr->p == NULL); -#endif /* IP_REASS_CHECK_OVERLAP */ - /* this is the first fragment we ever received for this ip datagram */ - ipr->p = new_p; - } - } - - /* At this point, the validation part begins: */ - /* If we already received the last fragment */ - if ((ipr->flags & IP_REASS_FLAG_LASTFRAG) != 0) { - /* and had no wholes so far */ - if (valid) { - /* then check if the rest of the fragments is here */ - /* Check if the queue starts with the first datagram */ - if (((struct ip_reass_helper*)ipr->p->payload)->start != 0) { - valid = 0; - } else { - /* and check that there are no wholes after this datagram */ - iprh_prev = iprh; - q = iprh->next_pbuf; - while (q != NULL) { - iprh = (struct ip_reass_helper*)q->payload; - if (iprh_prev->end != iprh->start) { - valid = 0; - break; - } - iprh_prev = iprh; - q = iprh->next_pbuf; - } - /* if still valid, all fragments are received - * (because to the MF==0 already arrived */ - if (valid) { - LWIP_ASSERT("sanity check", ipr->p != NULL); - LWIP_ASSERT("sanity check", - ((struct ip_reass_helper*)ipr->p->payload) != iprh); - LWIP_ASSERT("validate_datagram:next_pbuf!=NULL", - iprh->next_pbuf == NULL); - LWIP_ASSERT("validate_datagram:datagram end!=datagram len", - iprh->end == ipr->datagram_len); - } - } - } - /* If valid is 0 here, there are some fragments missing in the middle - * (since MF == 0 has already arrived). Such datagrams simply time out if - * no more fragments are received... */ - return valid; - } - /* If we come here, not all fragments were received, yet! */ - return 0; /* not yet valid! */ -#if IP_REASS_CHECK_OVERLAP -freepbuf: - ip_reass_pbufcount -= pbuf_clen(new_p); - pbuf_free(new_p); - return 0; -#endif /* IP_REASS_CHECK_OVERLAP */ -} - -/** - * Reassembles incoming IP fragments into an IP datagram. - * - * @param p points to a pbuf chain of the fragment - * @return NULL if reassembly is incomplete, ? otherwise - */ -struct pbuf * -ip_reass(struct pbuf *p) -{ - struct pbuf *r; - struct ip_hdr *fraghdr; - struct ip_reassdata *ipr; - struct ip_reass_helper *iprh; - u16_t offset, len; - u8_t clen; - struct ip_reassdata *ipr_prev = NULL; - - IPFRAG_STATS_INC(ip_frag.recv); - snmp_inc_ipreasmreqds(); - - fraghdr = (struct ip_hdr*)p->payload; - - if ((IPH_HL(fraghdr) * 4) != IP_HLEN) { - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: IP options currently not supported!\n")); - IPFRAG_STATS_INC(ip_frag.err); - goto nullreturn; - } - - offset = (ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) * 8; - len = ntohs(IPH_LEN(fraghdr)) - IPH_HL(fraghdr) * 4; - - /* Check if we are allowed to enqueue more datagrams. */ - clen = pbuf_clen(p); - if ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS) { -#if IP_REASS_FREE_OLDEST - if (!ip_reass_remove_oldest_datagram(fraghdr, clen) || - ((ip_reass_pbufcount + clen) > IP_REASS_MAX_PBUFS)) -#endif /* IP_REASS_FREE_OLDEST */ - { - /* No datagram could be freed and still too many pbufs enqueued */ - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: Overflow condition: pbufct=%d, clen=%d, MAX=%d\n", - ip_reass_pbufcount, clen, IP_REASS_MAX_PBUFS)); - IPFRAG_STATS_INC(ip_frag.memerr); - /* @todo: send ICMP time exceeded here? */ - /* drop this pbuf */ - goto nullreturn; - } - } - - /* Look for the datagram the fragment belongs to in the current datagram queue, - * remembering the previous in the queue for later dequeueing. */ - for (ipr = reassdatagrams; ipr != NULL; ipr = ipr->next) { - /* Check if the incoming fragment matches the one currently present - in the reassembly buffer. If so, we proceed with copying the - fragment into the buffer. */ - if (IP_ADDRESSES_AND_ID_MATCH(&ipr->iphdr, fraghdr)) { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_reass: matching previous fragment ID=%"X16_F"\n", - ntohs(IPH_ID(fraghdr)))); - IPFRAG_STATS_INC(ip_frag.cachehit); - break; - } - ipr_prev = ipr; - } - - if (ipr == NULL) { - /* Enqueue a new datagram into the datagram queue */ - ipr = ip_reass_enqueue_new_datagram(fraghdr, clen); - /* Bail if unable to enqueue */ - if(ipr == NULL) { - goto nullreturn; - } - } else { - if (((ntohs(IPH_OFFSET(fraghdr)) & IP_OFFMASK) == 0) && - ((ntohs(IPH_OFFSET(&ipr->iphdr)) & IP_OFFMASK) != 0)) { - /* ipr->iphdr is not the header from the first fragment, but fraghdr is - * -> copy fraghdr into ipr->iphdr since we want to have the header - * of the first fragment (for ICMP time exceeded and later, for copying - * all options, if supported)*/ - SMEMCPY(&ipr->iphdr, fraghdr, IP_HLEN); - } - } - /* Track the current number of pbufs current 'in-flight', in order to limit - the number of fragments that may be enqueued at any one time */ - ip_reass_pbufcount += clen; - - /* At this point, we have either created a new entry or pointing - * to an existing one */ - - /* check for 'no more fragments', and update queue entry*/ - if ((ntohs(IPH_OFFSET(fraghdr)) & IP_MF) == 0) { - ipr->flags |= IP_REASS_FLAG_LASTFRAG; - ipr->datagram_len = offset + len; - LWIP_DEBUGF(IP_REASS_DEBUG, - ("ip_reass: last fragment seen, total len %"S16_F"\n", - ipr->datagram_len)); - } - /* find the right place to insert this pbuf */ - /* @todo: trim pbufs if fragments are overlapping */ - if (ip_reass_chain_frag_into_datagram_and_validate(ipr, p)) { - /* the totally last fragment (flag more fragments = 0) was received at least - * once AND all fragments are received */ - ipr->datagram_len += IP_HLEN; - - /* save the second pbuf before copying the header over the pointer */ - r = ((struct ip_reass_helper*)ipr->p->payload)->next_pbuf; - - /* copy the original ip header back to the first pbuf */ - fraghdr = (struct ip_hdr*)(ipr->p->payload); - SMEMCPY(fraghdr, &ipr->iphdr, IP_HLEN); - IPH_LEN_SET(fraghdr, htons(ipr->datagram_len)); - IPH_OFFSET_SET(fraghdr, 0); - IPH_CHKSUM_SET(fraghdr, 0); - /* @todo: do we need to set calculate the correct checksum? */ - IPH_CHKSUM_SET(fraghdr, inet_chksum(fraghdr, IP_HLEN)); - - p = ipr->p; - - /* chain together the pbufs contained within the reass_data list. */ - while(r != NULL) { - iprh = (struct ip_reass_helper*)r->payload; - - /* hide the ip header for every succeding fragment */ - pbuf_header(r, -IP_HLEN); - pbuf_cat(p, r); - r = iprh->next_pbuf; - } - /* release the sources allocate for the fragment queue entry */ - ip_reass_dequeue_datagram(ipr, ipr_prev); - - /* and adjust the number of pbufs currently queued for reassembly. */ - ip_reass_pbufcount -= pbuf_clen(p); - - /* Return the pbuf chain */ - return p; - } - /* the datagram is not (yet?) reassembled completely */ - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass_pbufcount: %d out\n", ip_reass_pbufcount)); - return NULL; - -nullreturn: - LWIP_DEBUGF(IP_REASS_DEBUG,("ip_reass: nullreturn\n")); - IPFRAG_STATS_INC(ip_frag.drop); - pbuf_free(p); - return NULL; -} -#endif /* IP_REASSEMBLY */ - -#if IP_FRAG -#if IP_FRAG_USES_STATIC_BUF -static u8_t buf[LWIP_MEM_ALIGN_SIZE(IP_FRAG_MAX_MTU + MEM_ALIGNMENT - 1)]; -#endif /* IP_FRAG_USES_STATIC_BUF */ - -/** - * Fragment an IP datagram if too large for the netif. - * - * Chop the datagram in MTU sized chunks and send them in order - * by using a fixed size static memory buffer (PBUF_REF) or - * point PBUF_REFs into p (depending on IP_FRAG_USES_STATIC_BUF). - * - * @param p ip packet to send - * @param netif the netif on which to send - * @param dest destination ip address to which to send - * - * @return ERR_OK if sent successfully, err_t otherwise - */ -err_t -ip_frag(struct pbuf *p, struct netif *netif, struct ip_addr *dest) -{ - struct pbuf *rambuf; -#if IP_FRAG_USES_STATIC_BUF - struct pbuf *header; -#else - struct pbuf *newpbuf; - struct ip_hdr *original_iphdr; -#endif - struct ip_hdr *iphdr; - u16_t nfb; - u16_t left, cop; - u16_t mtu = netif->mtu; - u16_t ofo, omf; - u16_t last; - u16_t poff = IP_HLEN; - u16_t tmp; -#if !IP_FRAG_USES_STATIC_BUF - u16_t newpbuflen = 0; - u16_t left_to_copy; -#endif - - /* Get a RAM based MTU sized pbuf */ -#if IP_FRAG_USES_STATIC_BUF - /* When using a static buffer, we use a PBUF_REF, which we will - * use to reference the packet (without link header). - * Layer and length is irrelevant. - */ - rambuf = pbuf_alloc(PBUF_LINK, 0, PBUF_REF); - if (rambuf == NULL) { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc(PBUF_LINK, 0, PBUF_REF) failed\n")); - return ERR_MEM; - } - rambuf->tot_len = rambuf->len = mtu; - rambuf->payload = LWIP_MEM_ALIGN((void *)buf); - - /* Copy the IP header in it */ - iphdr = rambuf->payload; - SMEMCPY(iphdr, p->payload, IP_HLEN); -#else /* IP_FRAG_USES_STATIC_BUF */ - original_iphdr = p->payload; - iphdr = original_iphdr; -#endif /* IP_FRAG_USES_STATIC_BUF */ - - /* Save original offset */ - tmp = ntohs(IPH_OFFSET(iphdr)); - ofo = tmp & IP_OFFMASK; - omf = tmp & IP_MF; - - left = p->tot_len - IP_HLEN; - - nfb = (mtu - IP_HLEN) / 8; - - while (left) { - last = (left <= mtu - IP_HLEN); - - /* Set new offset and MF flag */ - tmp = omf | (IP_OFFMASK & (ofo)); - if (!last) - tmp = tmp | IP_MF; - - /* Fill this fragment */ - cop = last ? left : nfb * 8; - -#if IP_FRAG_USES_STATIC_BUF - poff += pbuf_copy_partial(p, (u8_t*)iphdr + IP_HLEN, cop, poff); -#else /* IP_FRAG_USES_STATIC_BUF */ - /* When not using a static buffer, create a chain of pbufs. - * The first will be a PBUF_RAM holding the link and IP header. - * The rest will be PBUF_REFs mirroring the pbuf chain to be fragged, - * but limited to the size of an mtu. - */ - rambuf = pbuf_alloc(PBUF_LINK, IP_HLEN, PBUF_RAM); - if (rambuf == NULL) { - return ERR_MEM; - } - LWIP_ASSERT("this needs a pbuf in one piece!", - (p->len >= (IP_HLEN))); - SMEMCPY(rambuf->payload, original_iphdr, IP_HLEN); - iphdr = rambuf->payload; - - /* Can just adjust p directly for needed offset. */ - p->payload = (u8_t *)p->payload + poff; - p->len -= poff; - - left_to_copy = cop; - while (left_to_copy) { - newpbuflen = (left_to_copy < p->len) ? left_to_copy : p->len; - /* Is this pbuf already empty? */ - if (!newpbuflen) { - p = p->next; - continue; - } - newpbuf = pbuf_alloc(PBUF_RAW, 0, PBUF_REF); - if (newpbuf == NULL) { - pbuf_free(rambuf); - return ERR_MEM; - } - /* Mirror this pbuf, although we might not need all of it. */ - newpbuf->payload = p->payload; - newpbuf->len = newpbuf->tot_len = newpbuflen; - /* Add it to end of rambuf's chain, but using pbuf_cat, not pbuf_chain - * so that it is removed when pbuf_dechain is later called on rambuf. - */ - pbuf_cat(rambuf, newpbuf); - left_to_copy -= newpbuflen; - if (left_to_copy) - p = p->next; - } - poff = newpbuflen; -#endif /* IP_FRAG_USES_STATIC_BUF */ - - /* Correct header */ - IPH_OFFSET_SET(iphdr, htons(tmp)); - IPH_LEN_SET(iphdr, htons(cop + IP_HLEN)); - IPH_CHKSUM_SET(iphdr, 0); - IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN)); - -#if IP_FRAG_USES_STATIC_BUF - if (last) - pbuf_realloc(rambuf, left + IP_HLEN); - - /* This part is ugly: we alloc a RAM based pbuf for - * the link level header for each chunk and then - * free it.A PBUF_ROM style pbuf for which pbuf_header - * worked would make things simpler. - */ - header = pbuf_alloc(PBUF_LINK, 0, PBUF_RAM); - if (header != NULL) { - pbuf_chain(header, rambuf); - netif->output(netif, header, dest); - IPFRAG_STATS_INC(ip_frag.xmit); - snmp_inc_ipfragcreates(); - pbuf_free(header); - } else { - LWIP_DEBUGF(IP_REASS_DEBUG, ("ip_frag: pbuf_alloc() for header failed\n")); - pbuf_free(rambuf); - return ERR_MEM; - } -#else /* IP_FRAG_USES_STATIC_BUF */ - /* No need for separate header pbuf - we allowed room for it in rambuf - * when allocated. - */ - netif->output(netif, rambuf, dest); - IPFRAG_STATS_INC(ip_frag.xmit); - - /* Unfortunately we can't reuse rambuf - the hardware may still be - * using the buffer. Instead we free it (and the ensuing chain) and - * recreate it next time round the loop. If we're lucky the hardware - * will have already sent the packet, the free will really free, and - * there will be zero memory penalty. - */ - - pbuf_free(rambuf); -#endif /* IP_FRAG_USES_STATIC_BUF */ - left -= cop; - ofo += nfb; - } -#if IP_FRAG_USES_STATIC_BUF - pbuf_free(rambuf); -#endif /* IP_FRAG_USES_STATIC_BUF */ - snmp_inc_ipfragoks(); - return ERR_OK; -} -#endif /* IP_FRAG */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/mem.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/mem.c deleted file mode 100644 index ea3f4a6..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/mem.c +++ /dev/null @@ -1,635 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Dynamic memory manager - * - * This is a lightweight replacement for the standard C library malloc(). - * - * If you want to use the standard C library malloc() instead, define - * MEM_LIBC_MALLOC to 1 in your lwipopts.h - * - * To let mem_malloc() use pools (prevents fragmentation and is much faster than - * a heap but might waste some memory), define MEM_USE_POOLS to 1, define - * MEM_USE_CUSTOM_POOLS to 1 and create a file "lwippools.h" that includes a list - * of pools like this (more pools can be added between _START and _END): - * - * Define three pools with sizes 256, 512, and 1512 bytes - * LWIP_MALLOC_MEMPOOL_START - * LWIP_MALLOC_MEMPOOL(20, 256) - * LWIP_MALLOC_MEMPOOL(10, 512) - * LWIP_MALLOC_MEMPOOL(5, 1512) - * LWIP_MALLOC_MEMPOOL_END - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * Simon Goldschmidt - * - */ - -#include "lwip/opt.h" - -#if !MEM_LIBC_MALLOC /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/sys.h" -#include "lwip/stats.h" - -#include <string.h> - -#if MEM_USE_POOLS -/* lwIP head implemented with different sized pools */ - -/** - * Allocate memory: determine the smallest pool that is big enough - * to contain an element of 'size' and get an element from that pool. - * - * @param size the size in bytes of the memory needed - * @return a pointer to the allocated memory or NULL if the pool is empty - */ -void * -mem_malloc(mem_size_t size) -{ - struct memp_malloc_helper *element; - memp_t poolnr; - mem_size_t required_size = size + sizeof(struct memp_malloc_helper); - - for (poolnr = MEMP_POOL_FIRST; poolnr <= MEMP_POOL_LAST; poolnr++) { -#if MEM_USE_POOLS_TRY_BIGGER_POOL -again: -#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */ - /* is this pool big enough to hold an element of the required size - plus a struct memp_malloc_helper that saves the pool this element came from? */ - if (required_size <= memp_sizes[poolnr]) { - break; - } - } - if (poolnr > MEMP_POOL_LAST) { - LWIP_ASSERT("mem_malloc(): no pool is that big!", 0); - return NULL; - } - element = (struct memp_malloc_helper*)memp_malloc(poolnr); - if (element == NULL) { - /* No need to DEBUGF or ASSERT: This error is already - taken care of in memp.c */ -#if MEM_USE_POOLS_TRY_BIGGER_POOL - /** Try a bigger pool if this one is empty! */ - if (poolnr < MEMP_POOL_LAST) { - poolnr++; - goto again; - } -#endif /* MEM_USE_POOLS_TRY_BIGGER_POOL */ - return NULL; - } - - /* save the pool number this element came from */ - element->poolnr = poolnr; - /* and return a pointer to the memory directly after the struct memp_malloc_helper */ - element++; - - return element; -} - -/** - * Free memory previously allocated by mem_malloc. Loads the pool number - * and calls memp_free with that pool number to put the element back into - * its pool - * - * @param rmem the memory element to free - */ -void -mem_free(void *rmem) -{ - struct memp_malloc_helper *hmem = (struct memp_malloc_helper*)rmem; - - LWIP_ASSERT("rmem != NULL", (rmem != NULL)); - LWIP_ASSERT("rmem == MEM_ALIGN(rmem)", (rmem == LWIP_MEM_ALIGN(rmem))); - - /* get the original struct memp_malloc_helper */ - hmem--; - - LWIP_ASSERT("hmem != NULL", (hmem != NULL)); - LWIP_ASSERT("hmem == MEM_ALIGN(hmem)", (hmem == LWIP_MEM_ALIGN(hmem))); - LWIP_ASSERT("hmem->poolnr < MEMP_MAX", (hmem->poolnr < MEMP_MAX)); - - /* and put it in the pool we saved earlier */ - memp_free(hmem->poolnr, hmem); -} - -#else /* MEM_USE_POOLS */ -/* lwIP replacement for your libc malloc() */ - -/** - * The heap is made up as a list of structs of this type. - * This does not have to be aligned since for getting its size, - * we only use the macro SIZEOF_STRUCT_MEM, which automatically alignes. - */ -struct mem { - /** index (-> ram[next]) of the next struct */ - mem_size_t next; - /** index (-> ram[next]) of the next struct */ - mem_size_t prev; - /** 1: this area is used; 0: this area is unused */ - u8_t used; -}; - -/** All allocated blocks will be MIN_SIZE bytes big, at least! - * MIN_SIZE can be overridden to suit your needs. Smaller values save space, - * larger values could prevent too small blocks to fragment the RAM too much. */ -#ifndef MIN_SIZE -#define MIN_SIZE 12 -#endif /* MIN_SIZE */ -/* some alignment macros: we define them here for better source code layout */ -#define MIN_SIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(MIN_SIZE) -#define SIZEOF_STRUCT_MEM LWIP_MEM_ALIGN_SIZE(sizeof(struct mem)) -#define MEM_SIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEM_SIZE) - -/** the heap. we need one struct mem at the end and some room for alignment */ -static u8_t ram_heap[MEM_SIZE_ALIGNED + (2*SIZEOF_STRUCT_MEM) + MEM_ALIGNMENT]; -/** pointer to the heap (ram_heap): for alignment, ram is now a pointer instead of an array */ -static u8_t *ram; -/** the last entry, always unused! */ -static struct mem *ram_end; -/** pointer to the lowest free block, this is used for faster search */ -static struct mem *lfree; - -/** concurrent access protection */ -static sys_sem_t mem_sem; - -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - -static volatile u8_t mem_free_count; - -/* Allow mem_free from other (e.g. interrupt) context */ -#define LWIP_MEM_FREE_DECL_PROTECT() SYS_ARCH_DECL_PROTECT(lev_free) -#define LWIP_MEM_FREE_PROTECT() SYS_ARCH_PROTECT(lev_free) -#define LWIP_MEM_FREE_UNPROTECT() SYS_ARCH_UNPROTECT(lev_free) -#define LWIP_MEM_ALLOC_DECL_PROTECT() SYS_ARCH_DECL_PROTECT(lev_alloc) -#define LWIP_MEM_ALLOC_PROTECT() SYS_ARCH_PROTECT(lev_alloc) -#define LWIP_MEM_ALLOC_UNPROTECT() SYS_ARCH_UNPROTECT(lev_alloc) - -#else /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - -/* Protect the heap only by using a semaphore */ -#define LWIP_MEM_FREE_DECL_PROTECT() -#define LWIP_MEM_FREE_PROTECT() sys_arch_sem_wait(mem_sem, 0) -#define LWIP_MEM_FREE_UNPROTECT() sys_sem_signal(mem_sem) -/* mem_malloc is protected using semaphore AND LWIP_MEM_ALLOC_PROTECT */ -#define LWIP_MEM_ALLOC_DECL_PROTECT() -#define LWIP_MEM_ALLOC_PROTECT() -#define LWIP_MEM_ALLOC_UNPROTECT() - -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - -/** - * "Plug holes" by combining adjacent empty struct mems. - * After this function is through, there should not exist - * one empty struct mem pointing to another empty struct mem. - * - * @param mem this points to a struct mem which just has been freed - * @internal this function is only called by mem_free() and mem_realloc() - * - * This assumes access to the heap is protected by the calling function - * already. - */ -static void -plug_holes(struct mem *mem) -{ - struct mem *nmem; - struct mem *pmem; - - LWIP_ASSERT("plug_holes: mem >= ram", (u8_t *)mem >= ram); - LWIP_ASSERT("plug_holes: mem < ram_end", (u8_t *)mem < (u8_t *)ram_end); - LWIP_ASSERT("plug_holes: mem->used == 0", mem->used == 0); - - /* plug hole forward */ - LWIP_ASSERT("plug_holes: mem->next <= MEM_SIZE_ALIGNED", mem->next <= MEM_SIZE_ALIGNED); - - nmem = (struct mem *)&ram[mem->next]; - if (mem != nmem && nmem->used == 0 && (u8_t *)nmem != (u8_t *)ram_end) { - /* if mem->next is unused and not end of ram, combine mem and mem->next */ - if (lfree == nmem) { - lfree = mem; - } - mem->next = nmem->next; - ((struct mem *)&ram[nmem->next])->prev = (u8_t *)mem - ram; - } - - /* plug hole backward */ - pmem = (struct mem *)&ram[mem->prev]; - if (pmem != mem && pmem->used == 0) { - /* if mem->prev is unused, combine mem and mem->prev */ - if (lfree == mem) { - lfree = pmem; - } - pmem->next = mem->next; - ((struct mem *)&ram[mem->next])->prev = (u8_t *)pmem - ram; - } -} - -/** - * Zero the heap and initialize start, end and lowest-free - */ -void -mem_init(void) -{ - struct mem *mem; - - LWIP_ASSERT("Sanity check alignment", - (SIZEOF_STRUCT_MEM & (MEM_ALIGNMENT-1)) == 0); - - /* align the heap */ - ram = LWIP_MEM_ALIGN(ram_heap); - /* initialize the start of the heap */ - mem = (struct mem *)ram; - mem->next = MEM_SIZE_ALIGNED; - mem->prev = 0; - mem->used = 0; - /* initialize the end of the heap */ - ram_end = (struct mem *)&ram[MEM_SIZE_ALIGNED]; - ram_end->used = 1; - ram_end->next = MEM_SIZE_ALIGNED; - ram_end->prev = MEM_SIZE_ALIGNED; - - mem_sem = sys_sem_new(1); - - /* initialize the lowest-free pointer to the start of the heap */ - lfree = (struct mem *)ram; - - MEM_STATS_AVAIL(avail, MEM_SIZE_ALIGNED); -} - -/** - * Put a struct mem back on the heap - * - * @param rmem is the data portion of a struct mem as returned by a previous - * call to mem_malloc() - */ -void -mem_free(void *rmem) -{ - struct mem *mem; - LWIP_MEM_FREE_DECL_PROTECT(); - - if (rmem == NULL) { - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("mem_free(p == NULL) was called.\n")); - return; - } - LWIP_ASSERT("mem_free: sanity check alignment", (((mem_ptr_t)rmem) & (MEM_ALIGNMENT-1)) == 0); - - LWIP_ASSERT("mem_free: legal memory", (u8_t *)rmem >= (u8_t *)ram && - (u8_t *)rmem < (u8_t *)ram_end); - - if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) { - SYS_ARCH_DECL_PROTECT(lev); - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_free: illegal memory\n")); - /* protect mem stats from concurrent access */ - SYS_ARCH_PROTECT(lev); - MEM_STATS_INC(illegal); - SYS_ARCH_UNPROTECT(lev); - return; - } - /* protect the heap from concurrent access */ - LWIP_MEM_FREE_PROTECT(); - /* Get the corresponding struct mem ... */ - mem = (struct mem *)((u8_t *)rmem - SIZEOF_STRUCT_MEM); - /* ... which has to be in a used state ... */ - LWIP_ASSERT("mem_free: mem->used", mem->used); - /* ... and is now unused. */ - mem->used = 0; - - if (mem < lfree) { - /* the newly freed struct is now the lowest */ - lfree = mem; - } - - MEM_STATS_DEC_USED(used, mem->next - ((u8_t *)mem - ram)); - - /* finally, see if prev or next are free also */ - plug_holes(mem); -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 1; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_FREE_UNPROTECT(); -} - -/** - * In contrast to its name, mem_realloc can only shrink memory, not expand it. - * Since the only use (for now) is in pbuf_realloc (which also can only shrink), - * this shouldn't be a problem! - * - * @param rmem pointer to memory allocated by mem_malloc the is to be shrinked - * @param newsize required size after shrinking (needs to be smaller than or - * equal to the previous size) - * @return for compatibility reasons: is always == rmem, at the moment - * or NULL if newsize is > old size, in which case rmem is NOT touched - * or freed! - */ -void * -mem_realloc(void *rmem, mem_size_t newsize) -{ - mem_size_t size; - mem_size_t ptr, ptr2; - struct mem *mem, *mem2; - /* use the FREE_PROTECT here: it protects with sem OR SYS_ARCH_PROTECT */ - LWIP_MEM_FREE_DECL_PROTECT(); - - /* Expand the size of the allocated memory region so that we can - adjust for alignment. */ - newsize = LWIP_MEM_ALIGN_SIZE(newsize); - - if(newsize < MIN_SIZE_ALIGNED) { - /* every data block must be at least MIN_SIZE_ALIGNED long */ - newsize = MIN_SIZE_ALIGNED; - } - - if (newsize > MEM_SIZE_ALIGNED) { - return NULL; - } - - LWIP_ASSERT("mem_realloc: legal memory", (u8_t *)rmem >= (u8_t *)ram && - (u8_t *)rmem < (u8_t *)ram_end); - - if ((u8_t *)rmem < (u8_t *)ram || (u8_t *)rmem >= (u8_t *)ram_end) { - SYS_ARCH_DECL_PROTECT(lev); - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SEVERE, ("mem_realloc: illegal memory\n")); - /* protect mem stats from concurrent access */ - SYS_ARCH_PROTECT(lev); - MEM_STATS_INC(illegal); - SYS_ARCH_UNPROTECT(lev); - return rmem; - } - /* Get the corresponding struct mem ... */ - mem = (struct mem *)((u8_t *)rmem - SIZEOF_STRUCT_MEM); - /* ... and its offset pointer */ - ptr = (u8_t *)mem - ram; - - size = mem->next - ptr - SIZEOF_STRUCT_MEM; - LWIP_ASSERT("mem_realloc can only shrink memory", newsize <= size); - if (newsize > size) { - /* not supported */ - return NULL; - } - if (newsize == size) { - /* No change in size, simply return */ - return rmem; - } - - /* protect the heap from concurrent access */ - LWIP_MEM_FREE_PROTECT(); - - MEM_STATS_DEC_USED(used, (size - newsize)); - - mem2 = (struct mem *)&ram[mem->next]; - if(mem2->used == 0) { - /* The next struct is unused, we can simply move it at little */ - mem_size_t next; - /* remember the old next pointer */ - next = mem2->next; - /* create new struct mem which is moved directly after the shrinked mem */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize; - if (lfree == mem2) { - lfree = (struct mem *)&ram[ptr2]; - } - mem2 = (struct mem *)&ram[ptr2]; - mem2->used = 0; - /* restore the next pointer */ - mem2->next = next; - /* link it back to mem */ - mem2->prev = ptr; - /* link mem to it */ - mem->next = ptr2; - /* last thing to restore linked list: as we have moved mem2, - * let 'mem2->next->prev' point to mem2 again. but only if mem2->next is not - * the end of the heap */ - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)&ram[mem2->next])->prev = ptr2; - } - /* no need to plug holes, we've already done that */ - } else if (newsize + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED <= size) { - /* Next struct is used but there's room for another struct mem with - * at least MIN_SIZE_ALIGNED of data. - * Old size ('size') must be big enough to contain at least 'newsize' plus a struct mem - * ('SIZEOF_STRUCT_MEM') with some data ('MIN_SIZE_ALIGNED'). - * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty - * region that couldn't hold data, but when mem->next gets freed, - * the 2 regions would be combined, resulting in more free memory */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + newsize; - mem2 = (struct mem *)&ram[ptr2]; - if (mem2 < lfree) { - lfree = mem2; - } - mem2->used = 0; - mem2->next = mem->next; - mem2->prev = ptr; - mem->next = ptr2; - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)&ram[mem2->next])->prev = ptr2; - } - /* the original mem->next is used, so no need to plug holes! */ - } - /* else { - next struct mem is used but size between mem and mem2 is not big enough - to create another struct mem - -> don't do anyhting. - -> the remaining space stays unused since it is too small - } */ -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 1; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_FREE_UNPROTECT(); - return rmem; -} - -/** - * Adam's mem_malloc() plus solution for bug #17922 - * Allocate a block of memory with a minimum of 'size' bytes. - * - * @param size is the minimum size of the requested block in bytes. - * @return pointer to allocated memory or NULL if no free memory was found. - * - * Note that the returned value will always be aligned (as defined by MEM_ALIGNMENT). - */ -void * -mem_malloc(mem_size_t size) -{ - mem_size_t ptr, ptr2; - struct mem *mem, *mem2; -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - u8_t local_mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_MEM_ALLOC_DECL_PROTECT(); - - if (size == 0) { - return NULL; - } - - /* Expand the size of the allocated memory region so that we can - adjust for alignment. */ - size = LWIP_MEM_ALIGN_SIZE(size); - - if(size < MIN_SIZE_ALIGNED) { - /* every data block must be at least MIN_SIZE_ALIGNED long */ - size = MIN_SIZE_ALIGNED; - } - - if (size > MEM_SIZE_ALIGNED) { - return NULL; - } - - /* protect the heap from concurrent access */ - sys_arch_sem_wait(mem_sem, 0); - LWIP_MEM_ALLOC_PROTECT(); -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - /* run as long as a mem_free disturbed mem_malloc */ - do { - local_mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - /* Scan through the heap searching for a free block that is big enough, - * beginning with the lowest free block. - */ - for (ptr = (u8_t *)lfree - ram; ptr < MEM_SIZE_ALIGNED - size; - ptr = ((struct mem *)&ram[ptr])->next) { - mem = (struct mem *)&ram[ptr]; -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - mem_free_count = 0; - LWIP_MEM_ALLOC_UNPROTECT(); - /* allow mem_free to run */ - LWIP_MEM_ALLOC_PROTECT(); - if (mem_free_count != 0) { - local_mem_free_count = mem_free_count; - } - mem_free_count = 0; -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - - if ((!mem->used) && - (mem->next - (ptr + SIZEOF_STRUCT_MEM)) >= size) { - /* mem is not used and at least perfect fit is possible: - * mem->next - (ptr + SIZEOF_STRUCT_MEM) gives us the 'user data size' of mem */ - - if (mem->next - (ptr + SIZEOF_STRUCT_MEM) >= (size + SIZEOF_STRUCT_MEM + MIN_SIZE_ALIGNED)) { - /* (in addition to the above, we test if another struct mem (SIZEOF_STRUCT_MEM) containing - * at least MIN_SIZE_ALIGNED of data also fits in the 'user data space' of 'mem') - * -> split large block, create empty remainder, - * remainder must be large enough to contain MIN_SIZE_ALIGNED data: if - * mem->next - (ptr + (2*SIZEOF_STRUCT_MEM)) == size, - * struct mem would fit in but no data between mem2 and mem2->next - * @todo we could leave out MIN_SIZE_ALIGNED. We would create an empty - * region that couldn't hold data, but when mem->next gets freed, - * the 2 regions would be combined, resulting in more free memory - */ - ptr2 = ptr + SIZEOF_STRUCT_MEM + size; - /* create mem2 struct */ - mem2 = (struct mem *)&ram[ptr2]; - mem2->used = 0; - mem2->next = mem->next; - mem2->prev = ptr; - /* and insert it between mem and mem->next */ - mem->next = ptr2; - mem->used = 1; - - if (mem2->next != MEM_SIZE_ALIGNED) { - ((struct mem *)&ram[mem2->next])->prev = ptr2; - } - MEM_STATS_INC_USED(used, (size + SIZEOF_STRUCT_MEM)); - } else { - /* (a mem2 struct does no fit into the user data space of mem and mem->next will always - * be used at this point: if not we have 2 unused structs in a row, plug_holes should have - * take care of this). - * -> near fit or excact fit: do not split, no mem2 creation - * also can't move mem->next directly behind mem, since mem->next - * will always be used at this point! - */ - mem->used = 1; - MEM_STATS_INC_USED(used, mem->next - ((u8_t *)mem - ram)); - } - - if (mem == lfree) { - /* Find next free block after mem and update lowest free pointer */ - while (lfree->used && lfree != ram_end) { - LWIP_MEM_ALLOC_UNPROTECT(); - /* prevent high interrupt latency... */ - LWIP_MEM_ALLOC_PROTECT(); - lfree = (struct mem *)&ram[lfree->next]; - } - LWIP_ASSERT("mem_malloc: !lfree->used", ((lfree == ram_end) || (!lfree->used))); - } - LWIP_MEM_ALLOC_UNPROTECT(); - sys_sem_signal(mem_sem); - LWIP_ASSERT("mem_malloc: allocated memory not above ram_end.", - (mem_ptr_t)mem + SIZEOF_STRUCT_MEM + size <= (mem_ptr_t)ram_end); - LWIP_ASSERT("mem_malloc: allocated memory properly aligned.", - ((mem_ptr_t)mem + SIZEOF_STRUCT_MEM) % MEM_ALIGNMENT == 0); - LWIP_ASSERT("mem_malloc: sanity check alignment", - (((mem_ptr_t)mem) & (MEM_ALIGNMENT-1)) == 0); - - return (u8_t *)mem + SIZEOF_STRUCT_MEM; - } - } -#if LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT - /* if we got interrupted by a mem_free, try again */ - } while(local_mem_free_count != 0); -#endif /* LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT */ - LWIP_DEBUGF(MEM_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("mem_malloc: could not allocate %"S16_F" bytes\n", (s16_t)size)); - MEM_STATS_INC(err); - LWIP_MEM_ALLOC_UNPROTECT(); - sys_sem_signal(mem_sem); - return NULL; -} - -#endif /* MEM_USE_POOLS */ -/** - * Contiguously allocates enough space for count objects that are size bytes - * of memory each and returns a pointer to the allocated memory. - * - * The allocated memory is filled with bytes of value zero. - * - * @param count number of objects to allocate - * @param size size of the objects to allocate - * @return pointer to allocated memory / NULL pointer if there is an error - */ -void *mem_calloc(mem_size_t count, mem_size_t size) -{ - void *p; - - /* allocate 'count' objects of size 'size' */ - p = mem_malloc(count * size); - if (p) { - /* zero the memory */ - memset(p, 0, count * size); - } - return p; -} - -#endif /* !MEM_LIBC_MALLOC */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/memp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/memp.c deleted file mode 100644 index bd2fd26..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/memp.c +++ /dev/null @@ -1,388 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Dynamic pool memory manager - * - * lwIP has dedicated pools for many structures (netconn, protocol control blocks, - * packet buffers, ...). All these pools are managed here. - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/udp.h" -#include "lwip/raw.h" -#include "lwip/tcp.h" -#include "lwip/igmp.h" -#include "lwip/api.h" -#include "lwip/api_msg.h" -#include "lwip/tcpip.h" -#include "lwip/sys.h" -#include "lwip/stats.h" -#include "netif/etharp.h" -#include "lwip/ip_frag.h" - -#include <string.h> - -#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */ - -struct memp { - struct memp *next; -#if MEMP_OVERFLOW_CHECK - const char *file; - int line; -#endif /* MEMP_OVERFLOW_CHECK */ -}; - -#if MEMP_OVERFLOW_CHECK -/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning - * and at the end of each element, initialize them as 0xcd and check - * them later. */ -/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free, - * every single element in each pool is checked! - * This is VERY SLOW but also very helpful. */ -/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in - * lwipopts.h to change the amount reserved for checking. */ -#ifndef MEMP_SANITY_REGION_BEFORE -#define MEMP_SANITY_REGION_BEFORE 16 -#endif /* MEMP_SANITY_REGION_BEFORE*/ -#if MEMP_SANITY_REGION_BEFORE > 0 -#define MEMP_SANITY_REGION_BEFORE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE) -#else -#define MEMP_SANITY_REGION_BEFORE_ALIGNED 0 -#endif /* MEMP_SANITY_REGION_BEFORE*/ -#ifndef MEMP_SANITY_REGION_AFTER -#define MEMP_SANITY_REGION_AFTER 16 -#endif /* MEMP_SANITY_REGION_AFTER*/ -#if MEMP_SANITY_REGION_AFTER > 0 -#define MEMP_SANITY_REGION_AFTER_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER) -#else -#define MEMP_SANITY_REGION_AFTER_ALIGNED 0 -#endif /* MEMP_SANITY_REGION_AFTER*/ - -/* MEMP_SIZE: save space for struct memp and for sanity check */ -#define MEMP_SIZE (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED) -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED) - -#else /* MEMP_OVERFLOW_CHECK */ - -/* No sanity checks - * We don't need to preserve the struct memp while not allocated, so we - * can save a little space and set MEMP_SIZE to 0. - */ -#define MEMP_SIZE 0 -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x)) - -#endif /* MEMP_OVERFLOW_CHECK */ - -/** This array holds the first free element of each pool. - * Elements form a linked list. */ -static struct memp *memp_tab[MEMP_MAX]; - -#else /* MEMP_MEM_MALLOC */ - -#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x)) - -#endif /* MEMP_MEM_MALLOC */ - -/** This array holds the element sizes of each pool. */ -#if !MEM_USE_POOLS && !MEMP_MEM_MALLOC -static -#endif -const u16_t memp_sizes[MEMP_MAX] = { -#define LWIP_MEMPOOL(name,num,size,desc) LWIP_MEM_ALIGN_SIZE(size), -#include "lwip/memp_std.h" -}; - -#if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */ - -/** This array holds the number of elements in each pool. */ -static const u16_t memp_num[MEMP_MAX] = { -#define LWIP_MEMPOOL(name,num,size,desc) (num), -#include "lwip/memp_std.h" -}; - -/** This array holds a textual description of each pool. */ -#ifdef LWIP_DEBUG -static const char *memp_desc[MEMP_MAX] = { -#define LWIP_MEMPOOL(name,num,size,desc) (desc), -#include "lwip/memp_std.h" -}; -#endif /* LWIP_DEBUG */ - -/** This is the actual memory used by the pools. */ -static u8_t memp_memory[MEM_ALIGNMENT - 1 -#define LWIP_MEMPOOL(name,num,size,desc) + ( (num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size) ) ) -#include "lwip/memp_std.h" -]; - -#if MEMP_SANITY_CHECK -/** - * Check that memp-lists don't form a circle - */ -static int -memp_sanity(void) -{ - s16_t i, c; - struct memp *m, *n; - - for (i = 0; i < MEMP_MAX; i++) { - for (m = memp_tab[i]; m != NULL; m = m->next) { - c = 1; - for (n = memp_tab[i]; n != NULL; n = n->next) { - if (n == m && --c < 0) { - return 0; - } - } - } - } - return 1; -} -#endif /* MEMP_SANITY_CHECK*/ -#if MEMP_OVERFLOW_CHECK -/** - * Check if a memp element was victim of an overflow - * (e.g. the restricted area after it has been altered) - * - * @param p the memp element to check - * @param memp_size the element size of the pool p comes from - */ -static void -memp_overflow_check_element(struct memp *p, u16_t memp_size) -{ - u16_t k; - u8_t *m; -#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED; - for (k = 0; k < MEMP_SANITY_REGION_BEFORE_ALIGNED; k++) { - if (m[k] != 0xcd) { - LWIP_ASSERT("detected memp underflow!", 0); - } - } -#endif -#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE + memp_size; - for (k = 0; k < MEMP_SANITY_REGION_AFTER_ALIGNED; k++) { - if (m[k] != 0xcd) { - LWIP_ASSERT("detected memp overflow!", 0); - } - } -#endif -} - -/** - * Do an overflow check for all elements in every pool. - * - * @see memp_overflow_check_element for a description of the check - */ -static void -memp_overflow_check_all(void) -{ - u16_t i, j; - struct memp *p; - - p = LWIP_MEM_ALIGN(memp_memory); - for (i = 0; i < MEMP_MAX; ++i) { - p = p; - for (j = 0; j < memp_num[i]; ++j) { - memp_overflow_check_element(p, memp_sizes[i]); - p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED); - } - } -} - -/** - * Initialize the restricted areas of all memp elements in every pool. - */ -static void -memp_overflow_init(void) -{ - u16_t i, j; - struct memp *p; - u8_t *m; - - p = LWIP_MEM_ALIGN(memp_memory); - for (i = 0; i < MEMP_MAX; ++i) { - p = p; - for (j = 0; j < memp_num[i]; ++j) { -#if MEMP_SANITY_REGION_BEFORE_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE - MEMP_SANITY_REGION_BEFORE_ALIGNED; - memset(m, 0xcd, MEMP_SANITY_REGION_BEFORE_ALIGNED); -#endif -#if MEMP_SANITY_REGION_AFTER_ALIGNED > 0 - m = (u8_t*)p + MEMP_SIZE + memp_sizes[i]; - memset(m, 0xcd, MEMP_SANITY_REGION_AFTER_ALIGNED); -#endif - p = (struct memp*)((u8_t*)p + MEMP_SIZE + memp_sizes[i] + MEMP_SANITY_REGION_AFTER_ALIGNED); - } - } -} -#endif /* MEMP_OVERFLOW_CHECK */ - -/** - * Initialize this module. - * - * Carves out memp_memory into linked lists for each pool-type. - */ -void -memp_init(void) -{ - struct memp *memp; - u16_t i, j; - - for (i = 0; i < MEMP_MAX; ++i) { - MEMP_STATS_AVAIL(used, i, 0); - MEMP_STATS_AVAIL(max, i, 0); - MEMP_STATS_AVAIL(err, i, 0); - MEMP_STATS_AVAIL(avail, i, memp_num[i]); - } - - memp = LWIP_MEM_ALIGN(memp_memory); - /* for every pool: */ - for (i = 0; i < MEMP_MAX; ++i) { - memp_tab[i] = NULL; - /* create a linked list of memp elements */ - for (j = 0; j < memp_num[i]; ++j) { - memp->next = memp_tab[i]; - memp_tab[i] = memp; - memp = (struct memp *)((u8_t *)memp + MEMP_SIZE + memp_sizes[i] -#if MEMP_OVERFLOW_CHECK - + MEMP_SANITY_REGION_AFTER_ALIGNED -#endif - ); - } - } -#if MEMP_OVERFLOW_CHECK - memp_overflow_init(); - /* check everything a first time to see if it worked */ - memp_overflow_check_all(); -#endif /* MEMP_OVERFLOW_CHECK */ -} - -/** - * Get an element from a specific pool. - * - * @param type the pool to get an element from - * - * the debug version has two more parameters: - * @param file file name calling this function - * @param line number of line where this function is called - * - * @return a pointer to the allocated memory or a NULL pointer on error - */ -void * -#if !MEMP_OVERFLOW_CHECK -memp_malloc(memp_t type) -#else -memp_malloc_fn(memp_t type, const char* file, const int line) -#endif -{ - struct memp *memp; - SYS_ARCH_DECL_PROTECT(old_level); - - LWIP_ERROR("memp_malloc: type < MEMP_MAX", (type < MEMP_MAX), return NULL;); - - SYS_ARCH_PROTECT(old_level); -#if MEMP_OVERFLOW_CHECK >= 2 - memp_overflow_check_all(); -#endif /* MEMP_OVERFLOW_CHECK >= 2 */ - - memp = memp_tab[type]; - - if (memp != NULL) { - memp_tab[type] = memp->next; -#if MEMP_OVERFLOW_CHECK - memp->next = NULL; - memp->file = file; - memp->line = line; -#endif /* MEMP_OVERFLOW_CHECK */ - MEMP_STATS_INC_USED(used, type); - LWIP_ASSERT("memp_malloc: memp properly aligned", - ((mem_ptr_t)memp % MEM_ALIGNMENT) == 0); - memp = (struct memp*)((u8_t*)memp + MEMP_SIZE); - } else { - LWIP_DEBUGF(MEMP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("memp_malloc: out of memory in pool %s\n", memp_desc[type])); - MEMP_STATS_INC(err, type); - } - - SYS_ARCH_UNPROTECT(old_level); - - return memp; -} - -/** - * Put an element back into its pool. - * - * @param type the pool where to put mem - * @param mem the memp element to free - */ -void -memp_free(memp_t type, void *mem) -{ - struct memp *memp; - SYS_ARCH_DECL_PROTECT(old_level); - - if (mem == NULL) { - return; - } - LWIP_ASSERT("memp_free: mem properly aligned", - ((mem_ptr_t)mem % MEM_ALIGNMENT) == 0); - - memp = (struct memp *)((u8_t*)mem - MEMP_SIZE); - - SYS_ARCH_PROTECT(old_level); -#if MEMP_OVERFLOW_CHECK -#if MEMP_OVERFLOW_CHECK >= 2 - memp_overflow_check_all(); -#else - memp_overflow_check_element(memp, memp_sizes[type]); -#endif /* MEMP_OVERFLOW_CHECK >= 2 */ -#endif /* MEMP_OVERFLOW_CHECK */ - - MEMP_STATS_DEC(used, type); - - memp->next = memp_tab[type]; - memp_tab[type] = memp; - -#if MEMP_SANITY_CHECK - LWIP_ASSERT("memp sanity", memp_sanity()); -#endif /* MEMP_SANITY_CHECK */ - - SYS_ARCH_UNPROTECT(old_level); -} - -#endif /* MEMP_MEM_MALLOC */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/netif.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/netif.c deleted file mode 100644 index cf3815c..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/netif.c +++ /dev/null @@ -1,683 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * lwIP network interface abstraction - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/def.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/tcp.h" -#include "lwip/snmp.h" -#include "lwip/igmp.h" -#include "netif/etharp.h" -#if ENABLE_LOOPBACK -#include "lwip/sys.h" -#if LWIP_NETIF_LOOPBACK_MULTITHREADING -#include "lwip/tcpip.h" -#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ - -#if LWIP_AUTOIP -#include "lwip/autoip.h" -#endif /* LWIP_AUTOIP */ -#if LWIP_DHCP -#include "lwip/dhcp.h" -#endif /* LWIP_DHCP */ - -#if LWIP_NETIF_STATUS_CALLBACK -#define NETIF_STATUS_CALLBACK(n) { if (n->status_callback) (n->status_callback)(n); } -#else -#define NETIF_STATUS_CALLBACK(n) { /* NOP */ } -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -#if LWIP_NETIF_LINK_CALLBACK -#define NETIF_LINK_CALLBACK(n) { if (n->link_callback) (n->link_callback)(n); } -#else -#define NETIF_LINK_CALLBACK(n) { /* NOP */ } -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -struct netif *netif_list; -struct netif *netif_default; - -/** - * Add a network interface to the list of lwIP netifs. - * - * @param netif a pre-allocated netif structure - * @param ipaddr IP address for the new netif - * @param netmask network mask for the new netif - * @param gw default gateway IP address for the new netif - * @param state opaque data passed to the new netif - * @param init callback function that initializes the interface - * @param input callback function that is called to pass - * ingress packets up in the protocol layer stack. - * - * @return netif, or NULL if failed. - */ -struct netif * -netif_add(struct netif *netif, struct ip_addr *ipaddr, struct ip_addr *netmask, - struct ip_addr *gw, - void *state, - err_t (* init)(struct netif *netif), - err_t (* input)(struct pbuf *p, struct netif *netif)) -{ - static u8_t netifnum = 0; - - /* reset new interface configuration state */ - netif->ip_addr.addr = 0; - netif->netmask.addr = 0; - netif->gw.addr = 0; - netif->flags = 0; -#if LWIP_DHCP - /* netif not under DHCP control by default */ - netif->dhcp = NULL; -#endif /* LWIP_DHCP */ -#if LWIP_AUTOIP - /* netif not under AutoIP control by default */ - netif->autoip = NULL; -#endif /* LWIP_AUTOIP */ -#if LWIP_NETIF_STATUS_CALLBACK - netif->status_callback = NULL; -#endif /* LWIP_NETIF_STATUS_CALLBACK */ -#if LWIP_NETIF_LINK_CALLBACK - netif->link_callback = NULL; -#endif /* LWIP_NETIF_LINK_CALLBACK */ -#if LWIP_IGMP - netif->igmp_mac_filter = NULL; -#endif /* LWIP_IGMP */ -#if ENABLE_LOOPBACK - netif->loop_first = NULL; - netif->loop_last = NULL; -#endif /* ENABLE_LOOPBACK */ - - /* remember netif specific state information data */ - netif->state = state; - netif->num = netifnum++; - netif->input = input; -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ -#if ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS - netif->loop_cnt_current = 0; -#endif /* ENABLE_LOOPBACK && LWIP_LOOPBACK_MAX_PBUFS */ - - netif_set_addr(netif, ipaddr, netmask, gw); - - /* call user specified initialization function for netif */ - if (init(netif) != ERR_OK) { - return NULL; - } - - /* add this netif to the list */ - netif->next = netif_list; - netif_list = netif; - snmp_inc_iflist(); - -#if LWIP_IGMP - /* start IGMP processing */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_start( netif); - } -#endif /* LWIP_IGMP */ - - LWIP_DEBUGF(NETIF_DEBUG, ("netif: added interface %c%c IP addr ", - netif->name[0], netif->name[1])); - ip_addr_debug_print(NETIF_DEBUG, ipaddr); - LWIP_DEBUGF(NETIF_DEBUG, (" netmask ")); - ip_addr_debug_print(NETIF_DEBUG, netmask); - LWIP_DEBUGF(NETIF_DEBUG, (" gw ")); - ip_addr_debug_print(NETIF_DEBUG, gw); - LWIP_DEBUGF(NETIF_DEBUG, ("\n")); - return netif; -} - -/** - * Change IP address configuration for a network interface (including netmask - * and default gateway). - * - * @param netif the network interface to change - * @param ipaddr the new IP address - * @param netmask the new netmask - * @param gw the new default gateway - */ -void -netif_set_addr(struct netif *netif, struct ip_addr *ipaddr, struct ip_addr *netmask, - struct ip_addr *gw) -{ - netif_set_ipaddr(netif, ipaddr); - netif_set_netmask(netif, netmask); - netif_set_gw(netif, gw); -} - -/** - * Remove a network interface from the list of lwIP netifs. - * - * @param netif the network interface to remove - */ -void netif_remove(struct netif * netif) -{ - if ( netif == NULL ) return; - -#if LWIP_IGMP - /* stop IGMP processing */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_stop( netif); - } -#endif /* LWIP_IGMP */ - - snmp_delete_ipaddridx_tree(netif); - - /* is it the first netif? */ - if (netif_list == netif) { - netif_list = netif->next; - snmp_dec_iflist(); - } - else { - /* look for netif further down the list */ - struct netif * tmpNetif; - for (tmpNetif = netif_list; tmpNetif != NULL; tmpNetif = tmpNetif->next) { - if (tmpNetif->next == netif) { - tmpNetif->next = netif->next; - snmp_dec_iflist(); - break; - } - } - if (tmpNetif == NULL) - return; /* we didn't find any netif today */ - } - /* this netif is default? */ - if (netif_default == netif) - /* reset default netif */ - netif_set_default(NULL); - LWIP_DEBUGF( NETIF_DEBUG, ("netif_remove: removed netif\n") ); -} - -/** - * Find a network interface by searching for its name - * - * @param name the name of the netif (like netif->name) plus concatenated number - * in ascii representation (e.g. 'en0') - */ -struct netif * -netif_find(char *name) -{ - struct netif *netif; - u8_t num; - - if (name == NULL) { - return NULL; - } - - num = name[2] - '0'; - - for(netif = netif_list; netif != NULL; netif = netif->next) { - if (num == netif->num && - name[0] == netif->name[0] && - name[1] == netif->name[1]) { - LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: found %c%c\n", name[0], name[1])); - return netif; - } - } - LWIP_DEBUGF(NETIF_DEBUG, ("netif_find: didn't find %c%c\n", name[0], name[1])); - return NULL; -} - -/** - * Change the IP address of a network interface - * - * @param netif the network interface to change - * @param ipaddr the new IP address - * - * @note call netif_set_addr() if you also want to change netmask and - * default gateway - */ -void -netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr) -{ - /* TODO: Handling of obsolete pcbs */ - /* See: http://mail.gnu.org/archive/html/lwip-users/2003-03/msg00118.html */ -#if LWIP_TCP - struct tcp_pcb *pcb; - struct tcp_pcb_listen *lpcb; - - /* address is actually being changed? */ - if ((ip_addr_cmp(ipaddr, &(netif->ip_addr))) == 0) - { - /* extern struct tcp_pcb *tcp_active_pcbs; defined by tcp.h */ - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: netif address being changed\n")); - pcb = tcp_active_pcbs; - while (pcb != NULL) { - /* PCB bound to current local interface address? */ - if (ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) { - /* this connection must be aborted */ - struct tcp_pcb *next = pcb->next; - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_STATE, ("netif_set_ipaddr: aborting TCP pcb %p\n", (void *)pcb)); - tcp_abort(pcb); - pcb = next; - } else { - pcb = pcb->next; - } - } - for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - /* PCB bound to current local interface address? */ - if ((!(ip_addr_isany(&(lpcb->local_ip)))) && - (ip_addr_cmp(&(lpcb->local_ip), &(netif->ip_addr)))) { - /* The PCB is listening to the old ipaddr and - * is set to listen to the new one instead */ - ip_addr_set(&(lpcb->local_ip), ipaddr); - } - } - } -#endif - snmp_delete_ipaddridx_tree(netif); - snmp_delete_iprteidx_tree(0,netif); - /* set new IP address to netif */ - ip_addr_set(&(netif->ip_addr), ipaddr); - snmp_insert_ipaddridx_tree(netif); - snmp_insert_iprteidx_tree(0,netif); - - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: IP address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1(&netif->ip_addr), - ip4_addr2(&netif->ip_addr), - ip4_addr3(&netif->ip_addr), - ip4_addr4(&netif->ip_addr))); -} - -/** - * Change the default gateway for a network interface - * - * @param netif the network interface to change - * @param gw the new default gateway - * - * @note call netif_set_addr() if you also want to change ip address and netmask - */ -void -netif_set_gw(struct netif *netif, struct ip_addr *gw) -{ - ip_addr_set(&(netif->gw), gw); - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: GW address of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1(&netif->gw), - ip4_addr2(&netif->gw), - ip4_addr3(&netif->gw), - ip4_addr4(&netif->gw))); -} - -/** - * Change the netmask of a network interface - * - * @param netif the network interface to change - * @param netmask the new netmask - * - * @note call netif_set_addr() if you also want to change ip address and - * default gateway - */ -void -netif_set_netmask(struct netif *netif, struct ip_addr *netmask) -{ - snmp_delete_iprteidx_tree(0, netif); - /* set new netmask to netif */ - ip_addr_set(&(netif->netmask), netmask); - snmp_insert_iprteidx_tree(0, netif); - LWIP_DEBUGF(NETIF_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("netif: netmask of interface %c%c set to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - netif->name[0], netif->name[1], - ip4_addr1(&netif->netmask), - ip4_addr2(&netif->netmask), - ip4_addr3(&netif->netmask), - ip4_addr4(&netif->netmask))); -} - -/** - * Set a network interface as the default network interface - * (used to output all packets for which no specific route is found) - * - * @param netif the default network interface - */ -void -netif_set_default(struct netif *netif) -{ - if (netif == NULL) - { - /* remove default route */ - snmp_delete_iprteidx_tree(1, netif); - } - else - { - /* install default route */ - snmp_insert_iprteidx_tree(1, netif); - } - netif_default = netif; - LWIP_DEBUGF(NETIF_DEBUG, ("netif: setting default interface %c%c\n", - netif ? netif->name[0] : '\'', netif ? netif->name[1] : '\'')); -} - -/** - * Bring an interface up, available for processing - * traffic. - * - * @note: Enabling DHCP on a down interface will make it come - * up once configured. - * - * @see dhcp_start() - */ -void netif_set_up(struct netif *netif) -{ - if ( !(netif->flags & NETIF_FLAG_UP )) { - netif->flags |= NETIF_FLAG_UP; - -#if LWIP_SNMP - snmp_get_sysuptime(&netif->ts); -#endif /* LWIP_SNMP */ - - NETIF_LINK_CALLBACK(netif); - NETIF_STATUS_CALLBACK(netif); - -#if LWIP_ARP - /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ - if (netif->flags & NETIF_FLAG_ETHARP) { - etharp_gratuitous(netif); - } -#endif /* LWIP_ARP */ - -#if LWIP_IGMP - /* resend IGMP memberships */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_report_groups( netif); - } -#endif /* LWIP_IGMP */ - } -} - -/** - * Bring an interface down, disabling any traffic processing. - * - * @note: Enabling DHCP on a down interface will make it come - * up once configured. - * - * @see dhcp_start() - */ -void netif_set_down(struct netif *netif) -{ - if ( netif->flags & NETIF_FLAG_UP ) - { - netif->flags &= ~NETIF_FLAG_UP; -#if LWIP_SNMP - snmp_get_sysuptime(&netif->ts); -#endif - - NETIF_LINK_CALLBACK(netif); - NETIF_STATUS_CALLBACK(netif); - } -} - -/** - * Ask if an interface is up - */ -u8_t netif_is_up(struct netif *netif) -{ - return (netif->flags & NETIF_FLAG_UP)?1:0; -} - -#if LWIP_NETIF_STATUS_CALLBACK -/** - * Set callback to be called when interface is brought up/down - */ -void netif_set_status_callback(struct netif *netif, void (* status_callback)(struct netif *netif )) -{ - if ( netif ) - netif->status_callback = status_callback; -} -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -#if LWIP_NETIF_LINK_CALLBACK -/** - * Called by a driver when its link goes up - */ -void netif_set_link_up(struct netif *netif ) -{ - netif->flags |= NETIF_FLAG_LINK_UP; - -#if LWIP_DHCP - if (netif->dhcp) { - dhcp_network_changed(netif); - } -#endif /* LWIP_DHCP */ - -#if LWIP_AUTOIP - if (netif->autoip) { - autoip_network_changed(netif); - } -#endif /* LWIP_AUTOIP */ - - if (netif->flags & NETIF_FLAG_UP) { -#if LWIP_ARP - /* For Ethernet network interfaces, we would like to send a "gratuitous ARP" */ - if (netif->flags & NETIF_FLAG_ETHARP) { - etharp_gratuitous(netif); - } -#endif /* LWIP_ARP */ - -#if LWIP_IGMP - /* resend IGMP memberships */ - if (netif->flags & NETIF_FLAG_IGMP) { - igmp_report_groups( netif); - } -#endif /* LWIP_IGMP */ - } - NETIF_LINK_CALLBACK(netif); -} - -/** - * Called by a driver when its link goes down - */ -void netif_set_link_down(struct netif *netif ) -{ - netif->flags &= ~NETIF_FLAG_LINK_UP; - NETIF_LINK_CALLBACK(netif); -} - -/** - * Ask if a link is up - */ -u8_t netif_is_link_up(struct netif *netif) -{ - return (netif->flags & NETIF_FLAG_LINK_UP) ? 1 : 0; -} - -/** - * Set callback to be called when link is brought up/down - */ -void netif_set_link_callback(struct netif *netif, void (* link_callback)(struct netif *netif )) -{ - if (netif) { - netif->link_callback = link_callback; - } -} -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -#if ENABLE_LOOPBACK -/** - * Send an IP packet to be received on the same netif (loopif-like). - * The pbuf is simply copied and handed back to netif->input. - * In multithreaded mode, this is done directly since netif->input must put - * the packet on a queue. - * In callback mode, the packet is put on an internal queue and is fed to - * netif->input by netif_poll(). - * - * @param netif the lwip network interface structure - * @param p the (IP) packet to 'send' - * @param ipaddr the ip address to send the packet to (not used) - * @return ERR_OK if the packet has been sent - * ERR_MEM if the pbuf used to copy the packet couldn't be allocated - */ -err_t -netif_loop_output(struct netif *netif, struct pbuf *p, - struct ip_addr *ipaddr) -{ - struct pbuf *r; - err_t err; - struct pbuf *last; -#if LWIP_LOOPBACK_MAX_PBUFS - u8_t clen = 0; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - SYS_ARCH_DECL_PROTECT(lev); - LWIP_UNUSED_ARG(ipaddr); - - /* Allocate a new pbuf */ - r = pbuf_alloc(PBUF_LINK, p->tot_len, PBUF_RAM); - if (r == NULL) { - return ERR_MEM; - } -#if LWIP_LOOPBACK_MAX_PBUFS - clen = pbuf_clen(r); - /* check for overflow or too many pbuf on queue */ - if(((netif->loop_cnt_current + clen) < netif->loop_cnt_current) || - ((netif->loop_cnt_current + clen) > LWIP_LOOPBACK_MAX_PBUFS)) { - pbuf_free(r); - r = NULL; - return ERR_MEM; - } - netif->loop_cnt_current += clen; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - - /* Copy the whole pbuf queue p into the single pbuf r */ - if ((err = pbuf_copy(r, p)) != ERR_OK) { - pbuf_free(r); - r = NULL; - return err; - } - - /* Put the packet on a linked list which gets emptied through calling - netif_poll(). */ - - /* let last point to the last pbuf in chain r */ - for (last = r; last->next != NULL; last = last->next); - - SYS_ARCH_PROTECT(lev); - if(netif->loop_first != NULL) { - LWIP_ASSERT("if first != NULL, last must also be != NULL", netif->loop_last != NULL); - netif->loop_last->next = r; - netif->loop_last = last; - } else { - netif->loop_first = r; - netif->loop_last = last; - } - SYS_ARCH_UNPROTECT(lev); - -#if LWIP_NETIF_LOOPBACK_MULTITHREADING - /* For multithreading environment, schedule a call to netif_poll */ - tcpip_callback((void (*)(void *))(netif_poll), netif); -#endif /* LWIP_NETIF_LOOPBACK_MULTITHREADING */ - - return ERR_OK; -} - -/** - * Call netif_poll() in the main loop of your application. This is to prevent - * reentering non-reentrant functions like tcp_input(). Packets passed to - * netif_loop_output() are put on a list that is passed to netif->input() by - * netif_poll(). - */ -void -netif_poll(struct netif *netif) -{ - struct pbuf *in; - SYS_ARCH_DECL_PROTECT(lev); - - do { - /* Get a packet from the list. With SYS_LIGHTWEIGHT_PROT=1, this is protected */ - SYS_ARCH_PROTECT(lev); - in = netif->loop_first; - if(in != NULL) { - struct pbuf *in_end = in; -#if LWIP_LOOPBACK_MAX_PBUFS - u8_t clen = pbuf_clen(in); - /* adjust the number of pbufs on queue */ - LWIP_ASSERT("netif->loop_cnt_current underflow", - ((netif->loop_cnt_current - clen) < netif->loop_cnt_current)); - netif->loop_cnt_current -= clen; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ - while(in_end->len != in_end->tot_len) { - LWIP_ASSERT("bogus pbuf: len != tot_len but next == NULL!", in_end->next != NULL); - in_end = in_end->next; - } - /* 'in_end' now points to the last pbuf from 'in' */ - if(in_end == netif->loop_last) { - /* this was the last pbuf in the list */ - netif->loop_first = netif->loop_last = NULL; - } else { - /* pop the pbuf off the list */ - netif->loop_first = in_end->next; - LWIP_ASSERT("should not be null since first != last!", netif->loop_first != NULL); - } - /* De-queue the pbuf from its successors on the 'loop_' list. */ - in_end->next = NULL; - } - SYS_ARCH_UNPROTECT(lev); - - if(in != NULL) { - /* loopback packets are always IP packets! */ - if(ip_input(in, netif) != ERR_OK) { - pbuf_free(in); - } - /* Don't reference the packet any more! */ - in = NULL; - } - /* go on while there is a packet on the list */ - } while(netif->loop_first != NULL); -} - -#if !LWIP_NETIF_LOOPBACK_MULTITHREADING -/** - * Calls netif_poll() for every netif on the netif_list. - */ -void -netif_poll_all(void) -{ - struct netif *netif = netif_list; - /* loop through netifs */ - while (netif != NULL) { - netif_poll(netif); - /* proceed to next network interface */ - netif = netif->next; - } -} -#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/pbuf.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/pbuf.c deleted file mode 100644 index 6284b9a..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/pbuf.c +++ /dev/null @@ -1,931 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Packet buffer management - * - * Packets are built from the pbuf data structure. It supports dynamic - * memory allocation for packet contents or can reference externally - * managed packet contents both in RAM and ROM. Quick allocation for - * incoming packets is provided through pools with fixed sized pbufs. - * - * A packet may span over multiple pbufs, chained as a singly linked - * list. This is called a "pbuf chain". - * - * Multiple packets may be queued, also using this singly linked list. - * This is called a "packet queue". - * - * So, a packet queue consists of one or more pbuf chains, each of - * which consist of one or more pbufs. CURRENTLY, PACKET QUEUES ARE - * NOT SUPPORTED!!! Use helper structs to queue multiple packets. - * - * The differences between a pbuf chain and a packet queue are very - * precise but subtle. - * - * The last pbuf of a packet has a ->tot_len field that equals the - * ->len field. It can be found by traversing the list. If the last - * pbuf of a packet has a ->next field other than NULL, more packets - * are on the queue. - * - * Therefore, looping through a pbuf of a single packet, has an - * loop end condition (tot_len == p->len), NOT (next == NULL). - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#include "lwip/stats.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/pbuf.h" -#include "lwip/sys.h" -#include "arch/perf.h" -#if TCP_QUEUE_OOSEQ -#include "lwip/tcp.h" -#endif - -#include <string.h> - -#define SIZEOF_STRUCT_PBUF LWIP_MEM_ALIGN_SIZE(sizeof(struct pbuf)) -/* Since the pool is created in memp, PBUF_POOL_BUFSIZE will be automatically - aligned there. Therefore, PBUF_POOL_BUFSIZE_ALIGNED can be used here. */ -#define PBUF_POOL_BUFSIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE) - -#if !TCP_QUEUE_OOSEQ || NO_SYS -#define PBUF_POOL_IS_EMPTY() -#else /* !TCP_QUEUE_OOSEQ || NO_SYS */ -/** Define this to 0 to prevent freeing ooseq pbufs when the PBUF_POOL is empty */ -#ifndef PBUF_POOL_FREE_OOSEQ -#define PBUF_POOL_FREE_OOSEQ 1 -#endif /* PBUF_POOL_FREE_OOSEQ */ - -#if PBUF_POOL_FREE_OOSEQ -#include "lwip/tcpip.h" -#define PBUF_POOL_IS_EMPTY() pbuf_pool_is_empty() -static u8_t pbuf_free_ooseq_queued; -/** - * Attempt to reclaim some memory from queued out-of-sequence TCP segments - * if we run out of pool pbufs. It's better to give priority to new packets - * if we're running out. - * - * This must be done in the correct thread context therefore this function - * can only be used with NO_SYS=0 and through tcpip_callback. - */ -static void -pbuf_free_ooseq(void* arg) -{ - struct tcp_pcb* pcb; - SYS_ARCH_DECL_PROTECT(old_level); - LWIP_UNUSED_ARG(arg); - - SYS_ARCH_PROTECT(old_level); - pbuf_free_ooseq_queued = 0; - SYS_ARCH_UNPROTECT(old_level); - - for (pcb = tcp_active_pcbs; NULL != pcb; pcb = pcb->next) { - if (NULL != pcb->ooseq) { - /** Free the ooseq pbufs of one PCB only */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free_ooseq: freeing out-of-sequence pbufs\n")); - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; - return; - } - } -} - -/** Queue a call to pbuf_free_ooseq if not already queued. */ -static void -pbuf_pool_is_empty(void) -{ - u8_t queued; - SYS_ARCH_DECL_PROTECT(old_level); - - SYS_ARCH_PROTECT(old_level); - queued = pbuf_free_ooseq_queued; - pbuf_free_ooseq_queued = 1; - SYS_ARCH_UNPROTECT(old_level); - - if(!queued) { - /* queue a call to pbuf_free_ooseq if not already queued */ - if(tcpip_callback_with_block(pbuf_free_ooseq, NULL, 0) != ERR_OK) { - SYS_ARCH_PROTECT(old_level); - pbuf_free_ooseq_queued = 0; - SYS_ARCH_UNPROTECT(old_level); - } - } -} -#endif /* PBUF_POOL_FREE_OOSEQ */ -#endif /* !TCP_QUEUE_OOSEQ || NO_SYS */ - -/** - * Allocates a pbuf of the given type (possibly a chain for PBUF_POOL type). - * - * The actual memory allocated for the pbuf is determined by the - * layer at which the pbuf is allocated and the requested size - * (from the size parameter). - * - * @param layer flag to define header size - * @param length size of the pbuf's payload - * @param type this parameter decides how and where the pbuf - * should be allocated as follows: - * - * - PBUF_RAM: buffer memory for pbuf is allocated as one large - * chunk. This includes protocol headers as well. - * - PBUF_ROM: no buffer memory is allocated for the pbuf, even for - * protocol headers. Additional headers must be prepended - * by allocating another pbuf and chain in to the front of - * the ROM pbuf. It is assumed that the memory used is really - * similar to ROM in that it is immutable and will not be - * changed. Memory which is dynamic should generally not - * be attached to PBUF_ROM pbufs. Use PBUF_REF instead. - * - PBUF_REF: no buffer memory is allocated for the pbuf, even for - * protocol headers. It is assumed that the pbuf is only - * being used in a single thread. If the pbuf gets queued, - * then pbuf_take should be called to copy the buffer. - * - PBUF_POOL: the pbuf is allocated as a pbuf chain, with pbufs from - * the pbuf pool that is allocated during pbuf_init(). - * - * @return the allocated pbuf. If multiple pbufs where allocated, this - * is the first pbuf of a pbuf chain. - */ -struct pbuf * -pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type) -{ - struct pbuf *p, *q, *r; - u16_t offset; - s32_t rem_len; /* remaining length */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F")\n", length)); - - /* determine header offset */ - offset = 0; - switch (layer) { - case PBUF_TRANSPORT: - /* add room for transport (often TCP) layer header */ - offset += PBUF_TRANSPORT_HLEN; - /* FALLTHROUGH */ - case PBUF_IP: - /* add room for IP layer header */ - offset += PBUF_IP_HLEN; - /* FALLTHROUGH */ - case PBUF_LINK: - /* add room for link layer header */ - offset += PBUF_LINK_HLEN; - break; - case PBUF_RAW: - break; - default: - LWIP_ASSERT("pbuf_alloc: bad pbuf layer", 0); - return NULL; - } - - switch (type) { - case PBUF_POOL: - /* allocate head of pbuf chain into p */ - p = memp_malloc(MEMP_PBUF_POOL); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc: allocated pbuf %p\n", (void *)p)); - if (p == NULL) { - PBUF_POOL_IS_EMPTY(); - return NULL; - } - p->type = type; - p->next = NULL; - - /* make the payload pointer point 'offset' bytes into pbuf data memory */ - p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + (SIZEOF_STRUCT_PBUF + offset))); - LWIP_ASSERT("pbuf_alloc: pbuf p->payload properly aligned", - ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0); - /* the total length of the pbuf chain is the requested size */ - p->tot_len = length; - /* set the length of the first pbuf in the chain */ - p->len = LWIP_MIN(length, PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)); - LWIP_ASSERT("check p->payload + p->len does not overflow pbuf", - ((u8_t*)p->payload + p->len <= - (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED)); - LWIP_ASSERT("PBUF_POOL_BUFSIZE must be bigger than MEM_ALIGNMENT", - (PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)) > 0 ); - /* set reference count (needed here in case we fail) */ - p->ref = 1; - - /* now allocate the tail of the pbuf chain */ - - /* remember first pbuf for linkage in next iteration */ - r = p; - /* remaining length to be allocated */ - rem_len = length - p->len; - /* any remaining pbufs to be allocated? */ - while (rem_len > 0) { - q = memp_malloc(MEMP_PBUF_POOL); - if (q == NULL) { - PBUF_POOL_IS_EMPTY(); - /* free chain so far allocated */ - pbuf_free(p); - /* bail out unsuccesfully */ - return NULL; - } - q->type = type; - q->flags = 0; - q->next = NULL; - /* make previous pbuf point to this pbuf */ - r->next = q; - /* set total length of this pbuf and next in chain */ - LWIP_ASSERT("rem_len < max_u16_t", rem_len < 0xffff); - q->tot_len = (u16_t)rem_len; - /* this pbuf length is pool size, unless smaller sized tail */ - q->len = LWIP_MIN((u16_t)rem_len, PBUF_POOL_BUFSIZE_ALIGNED); - q->payload = (void *)((u8_t *)q + SIZEOF_STRUCT_PBUF); - LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned", - ((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0); - LWIP_ASSERT("check p->payload + p->len does not overflow pbuf", - ((u8_t*)p->payload + p->len <= - (u8_t*)p + SIZEOF_STRUCT_PBUF + PBUF_POOL_BUFSIZE_ALIGNED)); - q->ref = 1; - /* calculate remaining length to be allocated */ - rem_len -= q->len; - /* remember this pbuf for linkage in next iteration */ - r = q; - } - /* end of chain */ - /*r->next = NULL;*/ - - break; - case PBUF_RAM: - /* If pbuf is to be allocated in RAM, allocate memory for it. */ - p = (struct pbuf*)mem_malloc(LWIP_MEM_ALIGN_SIZE(SIZEOF_STRUCT_PBUF + offset) + LWIP_MEM_ALIGN_SIZE(length)); - if (p == NULL) { - return NULL; - } - /* Set up internal structure of the pbuf. */ - p->payload = LWIP_MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF + offset)); - p->len = p->tot_len = length; - p->next = NULL; - p->type = type; - - LWIP_ASSERT("pbuf_alloc: pbuf->payload properly aligned", - ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0); - break; - /* pbuf references existing (non-volatile static constant) ROM payload? */ - case PBUF_ROM: - /* pbuf references existing (externally allocated) RAM payload? */ - case PBUF_REF: - /* only allocate memory for the pbuf structure */ - p = memp_malloc(MEMP_PBUF); - if (p == NULL) { - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_alloc: Could not allocate MEMP_PBUF for PBUF_%s.\n", - (type == PBUF_ROM) ? "ROM" : "REF")); - return NULL; - } - /* caller must set this field properly, afterwards */ - p->payload = NULL; - p->len = p->tot_len = length; - p->next = NULL; - p->type = type; - break; - default: - LWIP_ASSERT("pbuf_alloc: erroneous type", 0); - return NULL; - } - /* set reference count */ - p->ref = 1; - /* set flags */ - p->flags = 0; - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F") == %p\n", length, (void *)p)); - return p; -} - - -/** - * Shrink a pbuf chain to a desired length. - * - * @param p pbuf to shrink. - * @param new_len desired new length of pbuf chain - * - * Depending on the desired length, the first few pbufs in a chain might - * be skipped and left unchanged. The new last pbuf in the chain will be - * resized, and any remaining pbufs will be freed. - * - * @note If the pbuf is ROM/REF, only the ->tot_len and ->len fields are adjusted. - * @note May not be called on a packet queue. - * - * @note Despite its name, pbuf_realloc cannot grow the size of a pbuf (chain). - */ -void -pbuf_realloc(struct pbuf *p, u16_t new_len) -{ - struct pbuf *q; - u16_t rem_len; /* remaining length */ - s32_t grow; - - LWIP_ASSERT("pbuf_realloc: p != NULL", p != NULL); - LWIP_ASSERT("pbuf_realloc: sane p->type", p->type == PBUF_POOL || - p->type == PBUF_ROM || - p->type == PBUF_RAM || - p->type == PBUF_REF); - - /* desired length larger than current length? */ - if (new_len >= p->tot_len) { - /* enlarging not yet supported */ - return; - } - - /* the pbuf chain grows by (new_len - p->tot_len) bytes - * (which may be negative in case of shrinking) */ - grow = new_len - p->tot_len; - - /* first, step over any pbufs that should remain in the chain */ - rem_len = new_len; - q = p; - /* should this pbuf be kept? */ - while (rem_len > q->len) { - /* decrease remaining length by pbuf length */ - rem_len -= q->len; - /* decrease total length indicator */ - LWIP_ASSERT("grow < max_u16_t", grow < 0xffff); - q->tot_len += (u16_t)grow; - /* proceed to next pbuf in chain */ - q = q->next; - LWIP_ASSERT("pbuf_realloc: q != NULL", q != NULL); - } - /* we have now reached the new last pbuf (in q) */ - /* rem_len == desired length for pbuf q */ - - /* shrink allocated memory for PBUF_RAM */ - /* (other types merely adjust their length fields */ - if ((q->type == PBUF_RAM) && (rem_len != q->len)) { - /* reallocate and adjust the length of the pbuf that will be split */ - q = mem_realloc(q, (u8_t *)q->payload - (u8_t *)q + rem_len); - LWIP_ASSERT("mem_realloc give q == NULL", q != NULL); - } - /* adjust length fields for new last pbuf */ - q->len = rem_len; - q->tot_len = q->len; - - /* any remaining pbufs in chain? */ - if (q->next != NULL) { - /* free remaining pbufs in chain */ - pbuf_free(q->next); - } - /* q is last packet in chain */ - q->next = NULL; - -} - -/** - * Adjusts the payload pointer to hide or reveal headers in the payload. - * - * Adjusts the ->payload pointer so that space for a header - * (dis)appears in the pbuf payload. - * - * The ->payload, ->tot_len and ->len fields are adjusted. - * - * @param p pbuf to change the header size. - * @param header_size_increment Number of bytes to increment header size which - * increases the size of the pbuf. New space is on the front. - * (Using a negative value decreases the header size.) - * If hdr_size_inc is 0, this function does nothing and returns succesful. - * - * PBUF_ROM and PBUF_REF type buffers cannot have their sizes increased, so - * the call will fail. A check is made that the increase in header size does - * not move the payload pointer in front of the start of the buffer. - * @return non-zero on failure, zero on success. - * - */ -u8_t -pbuf_header(struct pbuf *p, s16_t header_size_increment) -{ - u16_t type; - void *payload; - u16_t increment_magnitude; - - LWIP_ASSERT("p != NULL", p != NULL); - if ((header_size_increment == 0) || (p == NULL)) - return 0; - - if (header_size_increment < 0){ - increment_magnitude = -header_size_increment; - /* Check that we aren't going to move off the end of the pbuf */ - LWIP_ERROR("increment_magnitude <= p->len", (increment_magnitude <= p->len), return 1;); - } else { - increment_magnitude = header_size_increment; -#if 0 - /* Can't assert these as some callers speculatively call - pbuf_header() to see if it's OK. Will return 1 below instead. */ - /* Check that we've got the correct type of pbuf to work with */ - LWIP_ASSERT("p->type == PBUF_RAM || p->type == PBUF_POOL", - p->type == PBUF_RAM || p->type == PBUF_POOL); - /* Check that we aren't going to move off the beginning of the pbuf */ - LWIP_ASSERT("p->payload - increment_magnitude >= p + SIZEOF_STRUCT_PBUF", - (u8_t *)p->payload - increment_magnitude >= (u8_t *)p + SIZEOF_STRUCT_PBUF); -#endif - } - - type = p->type; - /* remember current payload pointer */ - payload = p->payload; - - /* pbuf types containing payloads? */ - if (type == PBUF_RAM || type == PBUF_POOL) { - /* set new payload pointer */ - p->payload = (u8_t *)p->payload - header_size_increment; - /* boundary check fails? */ - if ((u8_t *)p->payload < (u8_t *)p + SIZEOF_STRUCT_PBUF) { - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_header: failed as %p < %p (not enough space for new header size)\n", - (void *)p->payload, (void *)(p + 1))); - /* restore old payload pointer */ - p->payload = payload; - /* bail out unsuccesfully */ - return 1; - } - /* pbuf types refering to external payloads? */ - } else if (type == PBUF_REF || type == PBUF_ROM) { - /* hide a header in the payload? */ - if ((header_size_increment < 0) && (increment_magnitude <= p->len)) { - /* increase payload pointer */ - p->payload = (u8_t *)p->payload - header_size_increment; - } else { - /* cannot expand payload to front (yet!) - * bail out unsuccesfully */ - return 1; - } - } - else { - /* Unknown type */ - LWIP_ASSERT("bad pbuf type", 0); - return 1; - } - /* modify pbuf length fields */ - p->len += header_size_increment; - p->tot_len += header_size_increment; - - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_header: old %p new %p (%"S16_F")\n", - (void *)payload, (void *)p->payload, header_size_increment)); - - return 0; -} - -/** - * Dereference a pbuf chain or queue and deallocate any no-longer-used - * pbufs at the head of this chain or queue. - * - * Decrements the pbuf reference count. If it reaches zero, the pbuf is - * deallocated. - * - * For a pbuf chain, this is repeated for each pbuf in the chain, - * up to the first pbuf which has a non-zero reference count after - * decrementing. So, when all reference counts are one, the whole - * chain is free'd. - * - * @param p The pbuf (chain) to be dereferenced. - * - * @return the number of pbufs that were de-allocated - * from the head of the chain. - * - * @note MUST NOT be called on a packet queue (Not verified to work yet). - * @note the reference counter of a pbuf equals the number of pointers - * that refer to the pbuf (or into the pbuf). - * - * @internal examples: - * - * Assuming existing chains a->b->c with the following reference - * counts, calling pbuf_free(a) results in: - * - * 1->2->3 becomes ...1->3 - * 3->3->3 becomes 2->3->3 - * 1->1->2 becomes ......1 - * 2->1->1 becomes 1->1->1 - * 1->1->1 becomes ....... - * - */ -u8_t -pbuf_free(struct pbuf *p) -{ - u16_t type; - struct pbuf *q; - u8_t count; - - if (p == NULL) { - LWIP_ASSERT("p != NULL", p != NULL); - /* if assertions are disabled, proceed with debug output */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("pbuf_free(p == NULL) was called.\n")); - return 0; - } - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free(%p)\n", (void *)p)); - - PERF_START; - - LWIP_ASSERT("pbuf_free: sane type", - p->type == PBUF_RAM || p->type == PBUF_ROM || - p->type == PBUF_REF || p->type == PBUF_POOL); - - count = 0; - /* de-allocate all consecutive pbufs from the head of the chain that - * obtain a zero reference count after decrementing*/ - while (p != NULL) { - u16_t ref; - SYS_ARCH_DECL_PROTECT(old_level); - /* Since decrementing ref cannot be guaranteed to be a single machine operation - * we must protect it. We put the new ref into a local variable to prevent - * further protection. */ - SYS_ARCH_PROTECT(old_level); - /* all pbufs in a chain are referenced at least once */ - LWIP_ASSERT("pbuf_free: p->ref > 0", p->ref > 0); - /* decrease reference count (number of pointers to pbuf) */ - ref = --(p->ref); - SYS_ARCH_UNPROTECT(old_level); - /* this pbuf is no longer referenced to? */ - if (ref == 0) { - /* remember next pbuf in chain for next iteration */ - q = p->next; - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: deallocating %p\n", (void *)p)); - type = p->type; - /* is this a pbuf from the pool? */ - if (type == PBUF_POOL) { - memp_free(MEMP_PBUF_POOL, p); - /* is this a ROM or RAM referencing pbuf? */ - } else if (type == PBUF_ROM || type == PBUF_REF) { - memp_free(MEMP_PBUF, p); - /* type == PBUF_RAM */ - } else { - mem_free(p); - } - count++; - /* proceed to next pbuf */ - p = q; - /* p->ref > 0, this pbuf is still referenced to */ - /* (and so the remaining pbufs in chain as well) */ - } else { - LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: %p has ref %"U16_F", ending here.\n", (void *)p, ref)); - /* stop walking through the chain */ - p = NULL; - } - } - PERF_STOP("pbuf_free"); - /* return number of de-allocated pbufs */ - return count; -} - -/** - * Count number of pbufs in a chain - * - * @param p first pbuf of chain - * @return the number of pbufs in a chain - */ - -u8_t -pbuf_clen(struct pbuf *p) -{ - u8_t len; - - len = 0; - while (p != NULL) { - ++len; - p = p->next; - } - return len; -} - -/** - * Increment the reference count of the pbuf. - * - * @param p pbuf to increase reference counter of - * - */ -void -pbuf_ref(struct pbuf *p) -{ - SYS_ARCH_DECL_PROTECT(old_level); - /* pbuf given? */ - if (p != NULL) { - SYS_ARCH_PROTECT(old_level); - ++(p->ref); - SYS_ARCH_UNPROTECT(old_level); - } -} - -/** - * Concatenate two pbufs (each may be a pbuf chain) and take over - * the caller's reference of the tail pbuf. - * - * @note The caller MAY NOT reference the tail pbuf afterwards. - * Use pbuf_chain() for that purpose. - * - * @see pbuf_chain() - */ - -void -pbuf_cat(struct pbuf *h, struct pbuf *t) -{ - struct pbuf *p; - - LWIP_ERROR("(h != NULL) && (t != NULL) (programmer violates API)", - ((h != NULL) && (t != NULL)), return;); - - /* proceed to last pbuf of chain */ - for (p = h; p->next != NULL; p = p->next) { - /* add total length of second chain to all totals of first chain */ - p->tot_len += t->tot_len; - } - /* { p is last pbuf of first h chain, p->next == NULL } */ - LWIP_ASSERT("p->tot_len == p->len (of last pbuf in chain)", p->tot_len == p->len); - LWIP_ASSERT("p->next == NULL", p->next == NULL); - /* add total length of second chain to last pbuf total of first chain */ - p->tot_len += t->tot_len; - /* chain last pbuf of head (p) with first of tail (t) */ - p->next = t; - /* p->next now references t, but the caller will drop its reference to t, - * so netto there is no change to the reference count of t. - */ -} - -/** - * Chain two pbufs (or pbuf chains) together. - * - * The caller MUST call pbuf_free(t) once it has stopped - * using it. Use pbuf_cat() instead if you no longer use t. - * - * @param h head pbuf (chain) - * @param t tail pbuf (chain) - * @note The pbufs MUST belong to the same packet. - * @note MAY NOT be called on a packet queue. - * - * The ->tot_len fields of all pbufs of the head chain are adjusted. - * The ->next field of the last pbuf of the head chain is adjusted. - * The ->ref field of the first pbuf of the tail chain is adjusted. - * - */ -void -pbuf_chain(struct pbuf *h, struct pbuf *t) -{ - pbuf_cat(h, t); - /* t is now referenced by h */ - pbuf_ref(t); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_chain: %p references %p\n", (void *)h, (void *)t)); -} - -/** - * Dechains the first pbuf from its succeeding pbufs in the chain. - * - * Makes p->tot_len field equal to p->len. - * @param p pbuf to dechain - * @return remainder of the pbuf chain, or NULL if it was de-allocated. - * @note May not be called on a packet queue. - */ -struct pbuf * -pbuf_dechain(struct pbuf *p) -{ - struct pbuf *q; - u8_t tail_gone = 1; - /* tail */ - q = p->next; - /* pbuf has successor in chain? */ - if (q != NULL) { - /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */ - LWIP_ASSERT("p->tot_len == p->len + q->tot_len", q->tot_len == p->tot_len - p->len); - /* enforce invariant if assertion is disabled */ - q->tot_len = p->tot_len - p->len; - /* decouple pbuf from remainder */ - p->next = NULL; - /* total length of pbuf p is its own length only */ - p->tot_len = p->len; - /* q is no longer referenced by p, free it */ - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_dechain: unreferencing %p\n", (void *)q)); - tail_gone = pbuf_free(q); - if (tail_gone > 0) { - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, - ("pbuf_dechain: deallocated %p (as it is no longer referenced)\n", (void *)q)); - } - /* return remaining tail or NULL if deallocated */ - } - /* assert tot_len invariant: (p->tot_len == p->len + (p->next? p->next->tot_len: 0) */ - LWIP_ASSERT("p->tot_len == p->len", p->tot_len == p->len); - return ((tail_gone > 0) ? NULL : q); -} - -/** - * - * Create PBUF_RAM copies of pbufs. - * - * Used to queue packets on behalf of the lwIP stack, such as - * ARP based queueing. - * - * @note You MUST explicitly use p = pbuf_take(p); - * - * @note Only one packet is copied, no packet queue! - * - * @param p_to pbuf destination of the copy - * @param p_from pbuf source of the copy - * - * @return ERR_OK if pbuf was copied - * ERR_ARG if one of the pbufs is NULL or p_to is not big - * enough to hold p_from - */ -err_t -pbuf_copy(struct pbuf *p_to, struct pbuf *p_from) -{ - u16_t offset_to=0, offset_from=0, len; - - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy(%p, %p)\n", - (void*)p_to, (void*)p_from)); - - /* is the target big enough to hold the source? */ - LWIP_ERROR("pbuf_copy: target not big enough to hold source", ((p_to != NULL) && - (p_from != NULL) && (p_to->tot_len >= p_from->tot_len)), return ERR_ARG;); - - /* iterate through pbuf chain */ - do - { - LWIP_ASSERT("p_to != NULL", p_to != NULL); - /* copy one part of the original chain */ - if ((p_to->len - offset_to) >= (p_from->len - offset_from)) { - /* complete current p_from fits into current p_to */ - len = p_from->len - offset_from; - } else { - /* current p_from does not fit into current p_to */ - len = p_to->len - offset_to; - } - MEMCPY((u8_t*)p_to->payload + offset_to, (u8_t*)p_from->payload + offset_from, len); - offset_to += len; - offset_from += len; - LWIP_ASSERT("offset_to <= p_to->len", offset_to <= p_to->len); - if (offset_to == p_to->len) { - /* on to next p_to (if any) */ - offset_to = 0; - p_to = p_to->next; - } - LWIP_ASSERT("offset_from <= p_from->len", offset_from <= p_from->len); - if (offset_from >= p_from->len) { - /* on to next p_from (if any) */ - offset_from = 0; - p_from = p_from->next; - } - - if((p_from != NULL) && (p_from->len == p_from->tot_len)) { - /* don't copy more than one packet! */ - LWIP_ERROR("pbuf_copy() does not allow packet queues!\n", - (p_from->next == NULL), return ERR_VAL;); - } - if((p_to != NULL) && (p_to->len == p_to->tot_len)) { - /* don't copy more than one packet! */ - LWIP_ERROR("pbuf_copy() does not allow packet queues!\n", - (p_to->next == NULL), return ERR_VAL;); - } - } while (p_from); - LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy: end of chain reached.\n")); - return ERR_OK; -} - -/** - * Copy (part of) the contents of a packet buffer - * to an application supplied buffer. - * - * @param buf the pbuf from which to copy data - * @param dataptr the application supplied buffer - * @param len length of data to copy (dataptr must be big enough). No more - * than buf->tot_len will be copied, irrespective of len - * @param offset offset into the packet buffer from where to begin copying len bytes - * @return the number of bytes copied, or 0 on failure - */ -u16_t -pbuf_copy_partial(struct pbuf *buf, void *dataptr, u16_t len, u16_t offset) -{ - struct pbuf *p; - u16_t left; - u16_t buf_copy_len; - u16_t copied_total = 0; - - LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;); - LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;); - - left = 0; - - if((buf == NULL) || (dataptr == NULL)) { - return 0; - } - - /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */ - for(p = buf; len != 0 && p != NULL; p = p->next) { - if ((offset != 0) && (offset >= p->len)) { - /* don't copy from this buffer -> on to the next */ - offset -= p->len; - } else { - /* copy from this buffer. maybe only partially. */ - buf_copy_len = p->len - offset; - if (buf_copy_len > len) - buf_copy_len = len; - /* copy the necessary parts of the buffer */ - MEMCPY(&((char*)dataptr)[left], &((char*)p->payload)[offset], buf_copy_len); - copied_total += buf_copy_len; - left += buf_copy_len; - len -= buf_copy_len; - offset = 0; - } - } - return copied_total; -} - -/** - * Copy application supplied data into a pbuf. - * This function can only be used to copy the equivalent of buf->tot_len data. - * - * @param buf pbuf to fill with data - * @param dataptr application supplied data buffer - * @param len length of the application supplied data buffer - * - * @return ERR_OK if successful, ERR_MEM if the pbuf is not big enough - */ -err_t -pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len) -{ - struct pbuf *p; - u16_t buf_copy_len; - u16_t total_copy_len = len; - u16_t copied_total = 0; - - LWIP_ERROR("pbuf_take: invalid buf", (buf != NULL), return 0;); - LWIP_ERROR("pbuf_take: invalid dataptr", (dataptr != NULL), return 0;); - - if ((buf == NULL) || (dataptr == NULL) || (buf->tot_len < len)) { - return ERR_ARG; - } - - /* Note some systems use byte copy if dataptr or one of the pbuf payload pointers are unaligned. */ - for(p = buf; total_copy_len != 0; p = p->next) { - LWIP_ASSERT("pbuf_take: invalid pbuf", p != NULL); - buf_copy_len = total_copy_len; - if (buf_copy_len > p->len) { - /* this pbuf cannot hold all remaining data */ - buf_copy_len = p->len; - } - /* copy the necessary parts of the buffer */ - MEMCPY(p->payload, &((char*)dataptr)[copied_total], buf_copy_len); - total_copy_len -= buf_copy_len; - copied_total += buf_copy_len; - } - LWIP_ASSERT("did not copy all data", total_copy_len == 0 && copied_total == len); - return ERR_OK; -} - -/** - * Creates a single pbuf out of a queue of pbufs. - * - * @remark: The source pbuf 'p' is not freed by this function because that can - * be illegal in some places! - * - * @param p the source pbuf - * @param layer pbuf_layer of the new pbuf - * - * @return a new, single pbuf (p->next is NULL) - * or the old pbuf if allocation fails - */ -struct pbuf* -pbuf_coalesce(struct pbuf *p, pbuf_layer layer) -{ - struct pbuf *q; - err_t err; - if (p->next == NULL) { - return p; - } - q = pbuf_alloc(layer, p->tot_len, PBUF_RAM); - if (q == NULL) { - /* @todo: what do we do now? */ - return p; - } - err = pbuf_copy(q, p); - LWIP_ASSERT("pbuf_copy failed", err == ERR_OK); - pbuf_free(p); - return q; -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/raw.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/raw.c deleted file mode 100644 index 6966bbc..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/raw.c +++ /dev/null @@ -1,355 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Implementation of raw protocol PCBs for low-level handling of - * different types of protocols besides (or overriding) those - * already available in lwIP. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/memp.h" -#include "lwip/inet.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/raw.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "arch/perf.h" - -#include <string.h> - -/** The list of RAW PCBs */ -static struct raw_pcb *raw_pcbs; - -/** - * Determine if in incoming IP packet is covered by a RAW PCB - * and if so, pass it to a user-provided receive callback function. - * - * Given an incoming IP datagram (as a chain of pbufs) this function - * finds a corresponding RAW PCB and calls the corresponding receive - * callback function. - * - * @param p pbuf to be demultiplexed to a RAW PCB. - * @param inp network interface on which the datagram was received. - * @return - 1 if the packet has been eaten by a RAW PCB receive - * callback function. The caller MAY NOT not reference the - * packet any longer, and MAY NOT call pbuf_free(). - * @return - 0 if packet is not eaten (pbuf is still referenced by the - * caller). - * - */ -u8_t -raw_input(struct pbuf *p, struct netif *inp) -{ - struct raw_pcb *pcb, *prev; - struct ip_hdr *iphdr; - s16_t proto; - u8_t eaten = 0; - - LWIP_UNUSED_ARG(inp); - - iphdr = p->payload; - proto = IPH_PROTO(iphdr); - - prev = NULL; - pcb = raw_pcbs; - /* loop through all raw pcbs until the packet is eaten by one */ - /* this allows multiple pcbs to match against the packet by design */ - while ((eaten == 0) && (pcb != NULL)) { - if (pcb->protocol == proto) { -#if IP_SOF_BROADCAST_RECV - /* broadcast filter? */ - if ((pcb->so_options & SOF_BROADCAST) || !ip_addr_isbroadcast(&(iphdr->dest), inp)) -#endif /* IP_SOF_BROADCAST_RECV */ - { - /* receive callback function available? */ - if (pcb->recv != NULL) { - /* the receive callback function did not eat the packet? */ - if (pcb->recv(pcb->recv_arg, pcb, p, &(iphdr->src)) != 0) { - /* receive function ate the packet */ - p = NULL; - eaten = 1; - if (prev != NULL) { - /* move the pcb to the front of raw_pcbs so that is - found faster next time */ - prev->next = pcb->next; - pcb->next = raw_pcbs; - raw_pcbs = pcb; - } - } - } - /* no receive callback function was set for this raw PCB */ - } - /* drop the packet */ - } - prev = pcb; - pcb = pcb->next; - } - return eaten; -} - -/** - * Bind a RAW PCB. - * - * @param pcb RAW PCB to be bound with a local address ipaddr. - * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to - * bind to all local interfaces. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_USE. The specified IP address is already bound to by - * another RAW PCB. - * - * @see raw_disconnect() - */ -err_t -raw_bind(struct raw_pcb *pcb, struct ip_addr *ipaddr) -{ - ip_addr_set(&pcb->local_ip, ipaddr); - return ERR_OK; -} - -/** - * Connect an RAW PCB. This function is required by upper layers - * of lwip. Using the raw api you could use raw_sendto() instead - * - * This will associate the RAW PCB with the remote address. - * - * @param pcb RAW PCB to be connected with remote address ipaddr and port. - * @param ipaddr remote IP address to connect with. - * - * @return lwIP error code - * - * @see raw_disconnect() and raw_sendto() - */ -err_t -raw_connect(struct raw_pcb *pcb, struct ip_addr *ipaddr) -{ - ip_addr_set(&pcb->remote_ip, ipaddr); - return ERR_OK; -} - - -/** - * Set the callback function for received packets that match the - * raw PCB's protocol and binding. - * - * The callback function MUST either - * - eat the packet by calling pbuf_free() and returning non-zero. The - * packet will not be passed to other raw PCBs or other protocol layers. - * - not free the packet, and return zero. The packet will be matched - * against further PCBs and/or forwarded to another protocol layers. - * - * @return non-zero if the packet was free()d, zero if the packet remains - * available for others. - */ -void -raw_recv(struct raw_pcb *pcb, - u8_t (* recv)(void *arg, struct raw_pcb *upcb, struct pbuf *p, - struct ip_addr *addr), - void *recv_arg) -{ - /* remember recv() callback and user data */ - pcb->recv = recv; - pcb->recv_arg = recv_arg; -} - -/** - * Send the raw IP packet to the given address. Note that actually you cannot - * modify the IP headers (this is inconsistent with the receive callback where - * you actually get the IP headers), you can only specify the IP payload here. - * It requires some more changes in lwIP. (there will be a raw_send() function - * then.) - * - * @param pcb the raw pcb which to send - * @param p the IP payload to send - * @param ipaddr the destination address of the IP packet - * - */ -err_t -raw_sendto(struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr) -{ - err_t err; - struct netif *netif; - struct ip_addr *src_ip; - struct pbuf *q; /* q will be sent down the stack */ - - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_sendto\n")); - - /* not enough space to add an IP header to first pbuf in given p chain? */ - if (pbuf_header(p, IP_HLEN)) { - /* allocate header in new pbuf */ - q = pbuf_alloc(PBUF_IP, 0, PBUF_RAM); - /* new header pbuf could not be allocated? */ - if (q == NULL) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("raw_sendto: could not allocate header\n")); - return ERR_MEM; - } - /* chain header q in front of given pbuf p */ - pbuf_chain(q, p); - /* { first pbuf q points to header pbuf } */ - LWIP_DEBUGF(RAW_DEBUG, ("raw_sendto: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p)); - } else { - /* first pbuf q equals given pbuf */ - q = p; - if(pbuf_header(q, -IP_HLEN)) { - LWIP_ASSERT("Can't restore header we just removed!", 0); - return ERR_MEM; - } - } - - if ((netif = ip_route(ipaddr)) == NULL) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: No route to 0x%"X32_F"\n", ipaddr->addr)); - /* free any temporary header pbuf allocated by pbuf_header() */ - if (q != p) { - pbuf_free(q); - } - return ERR_RTE; - } - -#if IP_SOF_BROADCAST - /* broadcast filter? */ - if ( ((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(ipaddr, netif) ) { - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_LEVEL_WARNING, ("raw_sendto: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb)); - /* free any temporary header pbuf allocated by pbuf_header() */ - if (q != p) { - pbuf_free(q); - } - return ERR_VAL; - } -#endif /* IP_SOF_BROADCAST */ - - if (ip_addr_isany(&pcb->local_ip)) { - /* use outgoing network interface IP address as source address */ - src_ip = &(netif->ip_addr); - } else { - /* use RAW PCB local IP address as source address */ - src_ip = &(pcb->local_ip); - } - -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if (q, src_ip, ipaddr, pcb->ttl, pcb->tos, pcb->protocol, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - - /* did we chain a header earlier? */ - if (q != p) { - /* free the header */ - pbuf_free(q); - } - return err; -} - -/** - * Send the raw IP packet to the address given by raw_connect() - * - * @param pcb the raw pcb which to send - * @param p the IP payload to send - * - */ -err_t -raw_send(struct raw_pcb *pcb, struct pbuf *p) -{ - return raw_sendto(pcb, p, &pcb->remote_ip); -} - -/** - * Remove an RAW PCB. - * - * @param pcb RAW PCB to be removed. The PCB is removed from the list of - * RAW PCB's and the data structure is freed from memory. - * - * @see raw_new() - */ -void -raw_remove(struct raw_pcb *pcb) -{ - struct raw_pcb *pcb2; - /* pcb to be removed is first in list? */ - if (raw_pcbs == pcb) { - /* make list start at 2nd pcb */ - raw_pcbs = raw_pcbs->next; - /* pcb not 1st in list */ - } else { - for(pcb2 = raw_pcbs; pcb2 != NULL; pcb2 = pcb2->next) { - /* find pcb in raw_pcbs list */ - if (pcb2->next != NULL && pcb2->next == pcb) { - /* remove pcb from list */ - pcb2->next = pcb->next; - } - } - } - memp_free(MEMP_RAW_PCB, pcb); -} - -/** - * Create a RAW PCB. - * - * @return The RAW PCB which was created. NULL if the PCB data structure - * could not be allocated. - * - * @param proto the protocol number of the IPs payload (e.g. IP_PROTO_ICMP) - * - * @see raw_remove() - */ -struct raw_pcb * -raw_new(u8_t proto) { - struct raw_pcb *pcb; - - LWIP_DEBUGF(RAW_DEBUG | LWIP_DBG_TRACE, ("raw_new\n")); - - pcb = memp_malloc(MEMP_RAW_PCB); - /* could allocate RAW PCB? */ - if (pcb != NULL) { - /* initialize PCB to all zeroes */ - memset(pcb, 0, sizeof(struct raw_pcb)); - pcb->protocol = proto; - pcb->ttl = RAW_TTL; - pcb->next = raw_pcbs; - raw_pcbs = pcb; - } - return pcb; -} - -#endif /* LWIP_RAW */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/stats.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/stats.c deleted file mode 100644 index 4299a94..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/stats.c +++ /dev/null @@ -1,151 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Statistics module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#if LWIP_STATS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/stats.h" -#include "lwip/mem.h" - -#include <string.h> - -struct stats_ lwip_stats; - -#if LWIP_STATS_DISPLAY -void -stats_display_proto(struct stats_proto *proto, char *name) -{ - LWIP_PLATFORM_DIAG(("\n%s\n\t", name)); - LWIP_PLATFORM_DIAG(("xmit: %"STAT_COUNTER_F"\n\t", proto->xmit)); - LWIP_PLATFORM_DIAG(("recv: %"STAT_COUNTER_F"\n\t", proto->recv)); - LWIP_PLATFORM_DIAG(("fw: %"STAT_COUNTER_F"\n\t", proto->fw)); - LWIP_PLATFORM_DIAG(("drop: %"STAT_COUNTER_F"\n\t", proto->drop)); - LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", proto->chkerr)); - LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", proto->lenerr)); - LWIP_PLATFORM_DIAG(("memerr: %"STAT_COUNTER_F"\n\t", proto->memerr)); - LWIP_PLATFORM_DIAG(("rterr: %"STAT_COUNTER_F"\n\t", proto->rterr)); - LWIP_PLATFORM_DIAG(("proterr: %"STAT_COUNTER_F"\n\t", proto->proterr)); - LWIP_PLATFORM_DIAG(("opterr: %"STAT_COUNTER_F"\n\t", proto->opterr)); - LWIP_PLATFORM_DIAG(("err: %"STAT_COUNTER_F"\n\t", proto->err)); - LWIP_PLATFORM_DIAG(("cachehit: %"STAT_COUNTER_F"\n", proto->cachehit)); -} - -#if IGMP_STATS -void -stats_display_igmp(struct stats_igmp *igmp) -{ - LWIP_PLATFORM_DIAG(("\nIGMP\n\t")); - LWIP_PLATFORM_DIAG(("lenerr: %"STAT_COUNTER_F"\n\t", igmp->lenerr)); - LWIP_PLATFORM_DIAG(("chkerr: %"STAT_COUNTER_F"\n\t", igmp->chkerr)); - LWIP_PLATFORM_DIAG(("v1_rxed: %"STAT_COUNTER_F"\n\t", igmp->v1_rxed)); - LWIP_PLATFORM_DIAG(("join_sent: %"STAT_COUNTER_F"\n\t", igmp->join_sent)); - LWIP_PLATFORM_DIAG(("leave_sent: %"STAT_COUNTER_F"\n\t", igmp->leave_sent)); - LWIP_PLATFORM_DIAG(("unicast_query: %"STAT_COUNTER_F"\n\t", igmp->unicast_query)); - LWIP_PLATFORM_DIAG(("report_sent: %"STAT_COUNTER_F"\n\t", igmp->report_sent)); - LWIP_PLATFORM_DIAG(("report_rxed: %"STAT_COUNTER_F"\n\t", igmp->report_rxed)); - LWIP_PLATFORM_DIAG(("group_query_rxed: %"STAT_COUNTER_F"\n", igmp->group_query_rxed)); -} -#endif /* IGMP_STATS */ - -#if MEM_STATS || MEMP_STATS -void -stats_display_mem(struct stats_mem *mem, char *name) -{ - LWIP_PLATFORM_DIAG(("\nMEM %s\n\t", name)); - LWIP_PLATFORM_DIAG(("avail: %"U32_F"\n\t", (u32_t)mem->avail)); - LWIP_PLATFORM_DIAG(("used: %"U32_F"\n\t", (u32_t)mem->used)); - LWIP_PLATFORM_DIAG(("max: %"U32_F"\n\t", (u32_t)mem->max)); - LWIP_PLATFORM_DIAG(("err: %"U32_F"\n", (u32_t)mem->err)); -} - -#if MEMP_STATS -void -stats_display_memp(struct stats_mem *mem, int index) -{ - char * memp_names[] = { -#define LWIP_MEMPOOL(name,num,size,desc) desc, -#include "lwip/memp_std.h" - }; - if(index < MEMP_MAX) { - stats_display_mem(mem, memp_names[index]); - } -} -#endif /* MEMP_STATS */ -#endif /* MEM_STATS || MEMP_STATS */ - -#if SYS_STATS -void -stats_display_sys(struct stats_sys *sys) -{ - LWIP_PLATFORM_DIAG(("\nSYS\n\t")); - LWIP_PLATFORM_DIAG(("sem.used: %"U32_F"\n\t", (u32_t)sys->sem.used)); - LWIP_PLATFORM_DIAG(("sem.max: %"U32_F"\n\t", (u32_t)sys->sem.max)); - LWIP_PLATFORM_DIAG(("sem.err: %"U32_F"\n\t", (u32_t)sys->sem.err)); - LWIP_PLATFORM_DIAG(("mbox.used: %"U32_F"\n\t", (u32_t)sys->mbox.used)); - LWIP_PLATFORM_DIAG(("mbox.max: %"U32_F"\n\t", (u32_t)sys->mbox.max)); - LWIP_PLATFORM_DIAG(("mbox.err: %"U32_F"\n\t", (u32_t)sys->mbox.err)); -} -#endif /* SYS_STATS */ - -void -stats_display(void) -{ - s16_t i; - - LINK_STATS_DISPLAY(); - ETHARP_STATS_DISPLAY(); - IPFRAG_STATS_DISPLAY(); - IP_STATS_DISPLAY(); - IGMP_STATS_DISPLAY(); - ICMP_STATS_DISPLAY(); - UDP_STATS_DISPLAY(); - TCP_STATS_DISPLAY(); - MEM_STATS_DISPLAY(); - for (i = 0; i < MEMP_MAX; i++) { - MEMP_STATS_DISPLAY(i); - } - SYS_STATS_DISPLAY(); -} -#endif /* LWIP_STATS_DISPLAY */ - -#endif /* LWIP_STATS */ - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp.c deleted file mode 100644 index c588d21..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp.c +++ /dev/null @@ -1,1463 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Transmission Control Protocol for IP - * - * This file contains common functions for the TCP implementation, such as functinos - * for manipulating the data structures and the TCP timer functions. TCP functions - * related to input and output is found in tcp_in.c and tcp_out.c respectively. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/snmp.h" -#include "lwip/tcp.h" -#include "lwip/debug.h" -#include "lwip/stats.h" - -#include <string.h> - -const char *tcp_state_str[] = { - "CLOSED", - "LISTEN", - "SYN_SENT", - "SYN_RCVD", - "ESTABLISHED", - "FIN_WAIT_1", - "FIN_WAIT_2", - "CLOSE_WAIT", - "CLOSING", - "LAST_ACK", - "TIME_WAIT" -}; - -/* Incremented every coarse grained timer shot (typically every 500 ms). */ -u32_t tcp_ticks; -const u8_t tcp_backoff[13] = - { 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7}; - /* Times per slowtmr hits */ -const u8_t tcp_persist_backoff[7] = { 3, 6, 12, 24, 48, 96, 120 }; - -/* The TCP PCB lists. */ - -/** List of all TCP PCBs bound but not yet (connected || listening) */ -struct tcp_pcb *tcp_bound_pcbs; -/** List of all TCP PCBs in LISTEN state */ -union tcp_listen_pcbs_t tcp_listen_pcbs; -/** List of all TCP PCBs that are in a state in which - * they accept or send data. */ -struct tcp_pcb *tcp_active_pcbs; -/** List of all TCP PCBs in TIME-WAIT state */ -struct tcp_pcb *tcp_tw_pcbs; - -struct tcp_pcb *tcp_tmp_pcb; - -static u8_t tcp_timer; -static u16_t tcp_new_port(void); - -/** - * Called periodically to dispatch TCP timers. - * - */ -void -tcp_tmr(void) -{ - /* Call tcp_fasttmr() every 250 ms */ - tcp_fasttmr(); - - if (++tcp_timer & 1) { - /* Call tcp_tmr() every 500 ms, i.e., every other timer - tcp_tmr() is called. */ - tcp_slowtmr(); - } -} - -/** - * Closes the connection held by the PCB. - * - * Listening pcbs are freed and may not be referenced any more. - * Connection pcbs are freed if not yet connected and may not be referenced - * any more. If a connection is established (at least SYN received or in - * a closing state), the connection is closed, and put in a closing state. - * The pcb is then automatically freed in tcp_slowtmr(). It is therefore - * unsafe to reference it. - * - * @param pcb the tcp_pcb to close - * @return ERR_OK if connection has been closed - * another err_t if closing failed and pcb is not freed - */ -err_t -tcp_close(struct tcp_pcb *pcb) -{ - err_t err; - -#if TCP_DEBUG - LWIP_DEBUGF(TCP_DEBUG, ("tcp_close: closing in ")); - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ - - switch (pcb->state) { - case CLOSED: - /* Closing a pcb in the CLOSED state might seem erroneous, - * however, it is in this state once allocated and as yet unused - * and the user needs some way to free it should the need arise. - * Calling tcp_close() with a pcb that has already been closed, (i.e. twice) - * or for a pcb that has been used and then entered the CLOSED state - * is erroneous, but this should never happen as the pcb has in those cases - * been freed, and so any remaining handles are bogus. */ - err = ERR_OK; - TCP_RMV(&tcp_bound_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - pcb = NULL; - break; - case LISTEN: - err = ERR_OK; - tcp_pcb_remove((struct tcp_pcb **)&tcp_listen_pcbs.pcbs, pcb); - memp_free(MEMP_TCP_PCB_LISTEN, pcb); - pcb = NULL; - break; - case SYN_SENT: - err = ERR_OK; - tcp_pcb_remove(&tcp_active_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - pcb = NULL; - snmp_inc_tcpattemptfails(); - break; - case SYN_RCVD: - err = tcp_send_ctrl(pcb, TCP_FIN); - if (err == ERR_OK) { - snmp_inc_tcpattemptfails(); - pcb->state = FIN_WAIT_1; - } - break; - case ESTABLISHED: - err = tcp_send_ctrl(pcb, TCP_FIN); - if (err == ERR_OK) { - snmp_inc_tcpestabresets(); - pcb->state = FIN_WAIT_1; - } - break; - case CLOSE_WAIT: - err = tcp_send_ctrl(pcb, TCP_FIN); - if (err == ERR_OK) { - snmp_inc_tcpestabresets(); - pcb->state = LAST_ACK; - } - break; - default: - /* Has already been closed, do nothing. */ - err = ERR_OK; - pcb = NULL; - break; - } - - if (pcb != NULL && err == ERR_OK) { - /* To ensure all data has been sent when tcp_close returns, we have - to make sure tcp_output doesn't fail. - Since we don't really have to ensure all data has been sent when tcp_close - returns (unsent data is sent from tcp timer functions, also), we don't care - for the return value of tcp_output for now. */ - /* @todo: When implementing SO_LINGER, this must be changed somehow: - If SOF_LINGER is set, the data should be sent when tcp_close returns. */ - tcp_output(pcb); - } - return err; -} - -/** - * Abandons a connection and optionally sends a RST to the remote - * host. Deletes the local protocol control block. This is done when - * a connection is killed because of shortage of memory. - * - * @param pcb the tcp_pcb to abort - * @param reset boolean to indicate whether a reset should be sent - */ -void -tcp_abandon(struct tcp_pcb *pcb, int reset) -{ - u32_t seqno, ackno; - u16_t remote_port, local_port; - struct ip_addr remote_ip, local_ip; -#if LWIP_CALLBACK_API - void (* errf)(void *arg, err_t err); -#endif /* LWIP_CALLBACK_API */ - void *errf_arg; - - - /* Figure out on which TCP PCB list we are, and remove us. If we - are in an active state, call the receive function associated with - the PCB with a NULL argument, and send an RST to the remote end. */ - if (pcb->state == TIME_WAIT) { - tcp_pcb_remove(&tcp_tw_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - } else { - seqno = pcb->snd_nxt; - ackno = pcb->rcv_nxt; - ip_addr_set(&local_ip, &(pcb->local_ip)); - ip_addr_set(&remote_ip, &(pcb->remote_ip)); - local_port = pcb->local_port; - remote_port = pcb->remote_port; -#if LWIP_CALLBACK_API - errf = pcb->errf; -#endif /* LWIP_CALLBACK_API */ - errf_arg = pcb->callback_arg; - tcp_pcb_remove(&tcp_active_pcbs, pcb); - if (pcb->unacked != NULL) { - tcp_segs_free(pcb->unacked); - } - if (pcb->unsent != NULL) { - tcp_segs_free(pcb->unsent); - } -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL) { - tcp_segs_free(pcb->ooseq); - } -#endif /* TCP_QUEUE_OOSEQ */ - memp_free(MEMP_TCP_PCB, pcb); - TCP_EVENT_ERR(errf, errf_arg, ERR_ABRT); - if (reset) { - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_abandon: sending RST\n")); - tcp_rst(seqno, ackno, &local_ip, &remote_ip, local_port, remote_port); - } - } -} - -/** - * Binds the connection to a local portnumber and IP address. If the - * IP address is not given (i.e., ipaddr == NULL), the IP address of - * the outgoing network interface is used instead. - * - * @param pcb the tcp_pcb to bind (no check is done whether this pcb is - * already bound!) - * @param ipaddr the local ip address to bind to (use IP_ADDR_ANY to bind - * to any local address - * @param port the local port to bind to - * @return ERR_USE if the port is already in use - * ERR_OK if bound - */ -err_t -tcp_bind(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port) -{ - struct tcp_pcb *cpcb; - - LWIP_ERROR("tcp_bind: can only bind in state CLOSED", pcb->state == CLOSED, return ERR_ISCONN); - - if (port == 0) { - port = tcp_new_port(); - } - /* Check if the address already is in use. */ - /* Check the listen pcbs. */ - for(cpcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; - cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->local_port == port) { - if (ip_addr_isany(&(cpcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(cpcb->local_ip), ipaddr)) { - return ERR_USE; - } - } - } - /* Check the connected pcbs. */ - for(cpcb = tcp_active_pcbs; - cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->local_port == port) { - if (ip_addr_isany(&(cpcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(cpcb->local_ip), ipaddr)) { - return ERR_USE; - } - } - } - /* Check the bound, not yet connected pcbs. */ - for(cpcb = tcp_bound_pcbs; cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->local_port == port) { - if (ip_addr_isany(&(cpcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(cpcb->local_ip), ipaddr)) { - return ERR_USE; - } - } - } - /* @todo: until SO_REUSEADDR is implemented (see task #6995 on savannah), - * we have to check the pcbs in TIME-WAIT state, also: */ - for(cpcb = tcp_tw_pcbs; cpcb != NULL; cpcb = cpcb->next) { - if (cpcb->local_port == port) { - if (ip_addr_cmp(&(cpcb->local_ip), ipaddr)) { - return ERR_USE; - } - } - } - - if (!ip_addr_isany(ipaddr)) { - pcb->local_ip = *ipaddr; - } - pcb->local_port = port; - TCP_REG(&tcp_bound_pcbs, pcb); - LWIP_DEBUGF(TCP_DEBUG, ("tcp_bind: bind to port %"U16_F"\n", port)); - return ERR_OK; -} -#if LWIP_CALLBACK_API -/** - * Default accept callback if no accept callback is specified by the user. - */ -static err_t -tcp_accept_null(void *arg, struct tcp_pcb *pcb, err_t err) -{ - LWIP_UNUSED_ARG(arg); - LWIP_UNUSED_ARG(pcb); - LWIP_UNUSED_ARG(err); - - return ERR_ABRT; -} -#endif /* LWIP_CALLBACK_API */ - -/** - * Set the state of the connection to be LISTEN, which means that it - * is able to accept incoming connections. The protocol control block - * is reallocated in order to consume less memory. Setting the - * connection to LISTEN is an irreversible process. - * - * @param pcb the original tcp_pcb - * @param backlog the incoming connections queue limit - * @return tcp_pcb used for listening, consumes less memory. - * - * @note The original tcp_pcb is freed. This function therefore has to be - * called like this: - * tpcb = tcp_listen(tpcb); - */ -struct tcp_pcb * -tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog) -{ - struct tcp_pcb_listen *lpcb; - - LWIP_UNUSED_ARG(backlog); - LWIP_ERROR("tcp_listen: pcb already connected", pcb->state == CLOSED, return NULL); - - /* already listening? */ - if (pcb->state == LISTEN) { - return pcb; - } - lpcb = memp_malloc(MEMP_TCP_PCB_LISTEN); - if (lpcb == NULL) { - return NULL; - } - lpcb->callback_arg = pcb->callback_arg; - lpcb->local_port = pcb->local_port; - lpcb->state = LISTEN; - lpcb->so_options = pcb->so_options; - lpcb->so_options |= SOF_ACCEPTCONN; - lpcb->ttl = pcb->ttl; - lpcb->tos = pcb->tos; - ip_addr_set(&lpcb->local_ip, &pcb->local_ip); - TCP_RMV(&tcp_bound_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); -#if LWIP_CALLBACK_API - lpcb->accept = tcp_accept_null; -#endif /* LWIP_CALLBACK_API */ -#if TCP_LISTEN_BACKLOG - lpcb->accepts_pending = 0; - lpcb->backlog = (backlog ? backlog : 1); -#endif /* TCP_LISTEN_BACKLOG */ - TCP_REG(&tcp_listen_pcbs.listen_pcbs, lpcb); - return (struct tcp_pcb *)lpcb; -} - -/** - * Update the state that tracks the available window space to advertise. - * - * Returns how much extra window would be advertised if we sent an - * update now. - */ -u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb) -{ - u32_t new_right_edge = pcb->rcv_nxt + pcb->rcv_wnd; - - if (TCP_SEQ_GEQ(new_right_edge, pcb->rcv_ann_right_edge + LWIP_MIN((TCP_WND / 2), pcb->mss))) { - /* we can advertise more window */ - pcb->rcv_ann_wnd = pcb->rcv_wnd; - return new_right_edge - pcb->rcv_ann_right_edge; - } else { - if (TCP_SEQ_GT(pcb->rcv_nxt, pcb->rcv_ann_right_edge)) { - /* Can happen due to other end sending out of advertised window, - * but within actual available (but not yet advertised) window */ - pcb->rcv_ann_wnd = 0; - } else { - /* keep the right edge of window constant */ - pcb->rcv_ann_wnd = pcb->rcv_ann_right_edge - pcb->rcv_nxt; - } - return 0; - } -} - -/** - * This function should be called by the application when it has - * processed the data. The purpose is to advertise a larger window - * when the data has been processed. - * - * @param pcb the tcp_pcb for which data is read - * @param len the amount of bytes that have been read by the application - */ -void -tcp_recved(struct tcp_pcb *pcb, u16_t len) -{ - int wnd_inflation; - - LWIP_ASSERT("tcp_recved: len would wrap rcv_wnd\n", - len <= 0xffff - pcb->rcv_wnd ); - - pcb->rcv_wnd += len; - if (pcb->rcv_wnd > TCP_WND) - pcb->rcv_wnd = TCP_WND; - - wnd_inflation = tcp_update_rcv_ann_wnd(pcb); - - /* If the change in the right edge of window is significant (default - * watermark is TCP_WND/2), then send an explicit update now. - * Otherwise wait for a packet to be sent in the normal course of - * events (or more window to be available later) */ - if (wnd_inflation >= TCP_WND_UPDATE_THRESHOLD) - tcp_ack_now(pcb); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_recved: recveived %"U16_F" bytes, wnd %"U16_F" (%"U16_F").\n", - len, pcb->rcv_wnd, TCP_WND - pcb->rcv_wnd)); -} - -/** - * A nastly hack featuring 'goto' statements that allocates a - * new TCP local port. - * - * @return a new (free) local TCP port number - */ -static u16_t -tcp_new_port(void) -{ - struct tcp_pcb *pcb; -#ifndef TCP_LOCAL_PORT_RANGE_START -#define TCP_LOCAL_PORT_RANGE_START 4096 -#define TCP_LOCAL_PORT_RANGE_END 0x7fff -#endif - static u16_t port = TCP_LOCAL_PORT_RANGE_START; - - again: - if (++port > TCP_LOCAL_PORT_RANGE_END) { - port = TCP_LOCAL_PORT_RANGE_START; - } - - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->local_port == port) { - goto again; - } - } - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->local_port == port) { - goto again; - } - } - for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->local_port == port) { - goto again; - } - } - return port; -} - -/** - * Connects to another host. The function given as the "connected" - * argument will be called when the connection has been established. - * - * @param pcb the tcp_pcb used to establish the connection - * @param ipaddr the remote ip address to connect to - * @param port the remote tcp port to connect to - * @param connected callback function to call when connected (or on error) - * @return ERR_VAL if invalid arguments are given - * ERR_OK if connect request has been sent - * other err_t values if connect request couldn't be sent - */ -err_t -tcp_connect(struct tcp_pcb *pcb, struct ip_addr *ipaddr, u16_t port, - err_t (* connected)(void *arg, struct tcp_pcb *tpcb, err_t err)) -{ - err_t ret; - u32_t iss; - - LWIP_ERROR("tcp_connect: can only connected from state CLOSED", pcb->state == CLOSED, return ERR_ISCONN); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_connect to port %"U16_F"\n", port)); - if (ipaddr != NULL) { - pcb->remote_ip = *ipaddr; - } else { - return ERR_VAL; - } - pcb->remote_port = port; - if (pcb->local_port == 0) { - pcb->local_port = tcp_new_port(); - } - iss = tcp_next_iss(); - pcb->rcv_nxt = 0; - pcb->snd_nxt = iss; - pcb->lastack = iss - 1; - pcb->snd_lbb = iss - 1; - pcb->rcv_wnd = TCP_WND; - pcb->rcv_ann_wnd = TCP_WND; - pcb->rcv_ann_right_edge = pcb->rcv_nxt; - pcb->snd_wnd = TCP_WND; - /* As initial send MSS, we use TCP_MSS but limit it to 536. - The send MSS is updated when an MSS option is received. */ - pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS; -#if TCP_CALCULATE_EFF_SEND_MSS - pcb->mss = tcp_eff_send_mss(pcb->mss, ipaddr); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - pcb->cwnd = 1; - pcb->ssthresh = pcb->mss * 10; - pcb->state = SYN_SENT; -#if LWIP_CALLBACK_API - pcb->connected = connected; -#endif /* LWIP_CALLBACK_API */ - TCP_RMV(&tcp_bound_pcbs, pcb); - TCP_REG(&tcp_active_pcbs, pcb); - - snmp_inc_tcpactiveopens(); - - ret = tcp_enqueue(pcb, NULL, 0, TCP_SYN, 0, TF_SEG_OPTS_MSS -#if LWIP_TCP_TIMESTAMPS - | TF_SEG_OPTS_TS -#endif - ); - if (ret == ERR_OK) { - tcp_output(pcb); - } - return ret; -} - -/** - * Called every 500 ms and implements the retransmission timer and the timer that - * removes PCBs that have been in TIME-WAIT for enough time. It also increments - * various timers such as the inactivity timer in each PCB. - * - * Automatically called from tcp_tmr(). - */ -void -tcp_slowtmr(void) -{ - struct tcp_pcb *pcb, *pcb2, *prev; - u16_t eff_wnd; - u8_t pcb_remove; /* flag if a PCB should be removed */ - u8_t pcb_reset; /* flag if a RST should be sent when removing */ - err_t err; - - err = ERR_OK; - - ++tcp_ticks; - - /* Steps through all of the active PCBs. */ - prev = NULL; - pcb = tcp_active_pcbs; - if (pcb == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: no active pcbs\n")); - } - while (pcb != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: processing active pcb\n")); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != CLOSED\n", pcb->state != CLOSED); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != LISTEN\n", pcb->state != LISTEN); - LWIP_ASSERT("tcp_slowtmr: active pcb->state != TIME-WAIT\n", pcb->state != TIME_WAIT); - - pcb_remove = 0; - pcb_reset = 0; - - if (pcb->state == SYN_SENT && pcb->nrtx == TCP_SYNMAXRTX) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max SYN retries reached\n")); - } - else if (pcb->nrtx == TCP_MAXRTX) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: max DATA retries reached\n")); - } else { - if (pcb->persist_backoff > 0) { - /* If snd_wnd is zero, use persist timer to send 1 byte probes - * instead of using the standard retransmission mechanism. */ - pcb->persist_cnt++; - if (pcb->persist_cnt >= tcp_persist_backoff[pcb->persist_backoff-1]) { - pcb->persist_cnt = 0; - if (pcb->persist_backoff < sizeof(tcp_persist_backoff)) { - pcb->persist_backoff++; - } - tcp_zero_window_probe(pcb); - } - } else { - /* Increase the retransmission timer if it is running */ - if(pcb->rtime >= 0) - ++pcb->rtime; - - if (pcb->unacked != NULL && pcb->rtime >= pcb->rto) { - /* Time for a retransmission. */ - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_slowtmr: rtime %"S16_F - " pcb->rto %"S16_F"\n", - pcb->rtime, pcb->rto)); - - /* Double retransmission time-out unless we are trying to - * connect to somebody (i.e., we are in SYN_SENT). */ - if (pcb->state != SYN_SENT) { - pcb->rto = ((pcb->sa >> 3) + pcb->sv) << tcp_backoff[pcb->nrtx]; - } - - /* Reset the retransmission timer. */ - pcb->rtime = 0; - - /* Reduce congestion window and ssthresh. */ - eff_wnd = LWIP_MIN(pcb->cwnd, pcb->snd_wnd); - pcb->ssthresh = eff_wnd >> 1; - if (pcb->ssthresh < pcb->mss) { - pcb->ssthresh = pcb->mss * 2; - } - pcb->cwnd = pcb->mss; - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: cwnd %"U16_F - " ssthresh %"U16_F"\n", - pcb->cwnd, pcb->ssthresh)); - - /* The following needs to be called AFTER cwnd is set to one - mss - STJ */ - tcp_rexmit_rto(pcb); - } - } - } - /* Check if this PCB has stayed too long in FIN-WAIT-2 */ - if (pcb->state == FIN_WAIT_2) { - if ((u32_t)(tcp_ticks - pcb->tmr) > - TCP_FIN_WAIT_TIMEOUT / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in FIN-WAIT-2\n")); - } - } - - /* Check if KEEPALIVE should be sent */ - if((pcb->so_options & SOF_KEEPALIVE) && - ((pcb->state == ESTABLISHED) || - (pcb->state == CLOSE_WAIT))) { -#if LWIP_TCP_KEEPALIVE - if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + (pcb->keep_cnt*pcb->keep_intvl)) - / TCP_SLOW_INTERVAL) -#else - if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + TCP_MAXIDLE) / TCP_SLOW_INTERVAL) -#endif /* LWIP_TCP_KEEPALIVE */ - { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: KEEPALIVE timeout. Aborting connection to %"U16_F".%"U16_F".%"U16_F".%"U16_F".\n", - ip4_addr1(&pcb->remote_ip), ip4_addr2(&pcb->remote_ip), - ip4_addr3(&pcb->remote_ip), ip4_addr4(&pcb->remote_ip))); - - ++pcb_remove; - ++pcb_reset; - } -#if LWIP_TCP_KEEPALIVE - else if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + pcb->keep_cnt_sent * pcb->keep_intvl) - / TCP_SLOW_INTERVAL) -#else - else if((u32_t)(tcp_ticks - pcb->tmr) > - (pcb->keep_idle + pcb->keep_cnt_sent * TCP_KEEPINTVL_DEFAULT) - / TCP_SLOW_INTERVAL) -#endif /* LWIP_TCP_KEEPALIVE */ - { - tcp_keepalive(pcb); - pcb->keep_cnt_sent++; - } - } - - /* If this PCB has queued out of sequence data, but has been - inactive for too long, will drop the data (it will eventually - be retransmitted). */ -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL && - (u32_t)tcp_ticks - pcb->tmr >= pcb->rto * TCP_OOSEQ_TIMEOUT) { - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_slowtmr: dropping OOSEQ queued data\n")); - } -#endif /* TCP_QUEUE_OOSEQ */ - - /* Check if this PCB has stayed too long in SYN-RCVD */ - if (pcb->state == SYN_RCVD) { - if ((u32_t)(tcp_ticks - pcb->tmr) > - TCP_SYN_RCVD_TIMEOUT / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in SYN-RCVD\n")); - } - } - - /* Check if this PCB has stayed too long in LAST-ACK */ - if (pcb->state == LAST_ACK) { - if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) { - ++pcb_remove; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: removing pcb stuck in LAST-ACK\n")); - } - } - - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - tcp_pcb_purge(pcb); - /* Remove PCB from tcp_active_pcbs list. */ - if (prev != NULL) { - LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_active_pcbs", pcb != tcp_active_pcbs); - prev->next = pcb->next; - } else { - /* This PCB was the first. */ - LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_active_pcbs", tcp_active_pcbs == pcb); - tcp_active_pcbs = pcb->next; - } - - TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_ABRT); - if (pcb_reset) { - tcp_rst(pcb->snd_nxt, pcb->rcv_nxt, &pcb->local_ip, &pcb->remote_ip, - pcb->local_port, pcb->remote_port); - } - - pcb2 = pcb->next; - memp_free(MEMP_TCP_PCB, pcb); - pcb = pcb2; - } else { - - /* We check if we should poll the connection. */ - ++pcb->polltmr; - if (pcb->polltmr >= pcb->pollinterval) { - pcb->polltmr = 0; - LWIP_DEBUGF(TCP_DEBUG, ("tcp_slowtmr: polling application\n")); - TCP_EVENT_POLL(pcb, err); - if (err == ERR_OK) { - tcp_output(pcb); - } - } - - prev = pcb; - pcb = pcb->next; - } - } - - - /* Steps through all of the TIME-WAIT PCBs. */ - prev = NULL; - pcb = tcp_tw_pcbs; - while (pcb != NULL) { - LWIP_ASSERT("tcp_slowtmr: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - pcb_remove = 0; - - /* Check if this PCB has stayed long enough in TIME-WAIT */ - if ((u32_t)(tcp_ticks - pcb->tmr) > 2 * TCP_MSL / TCP_SLOW_INTERVAL) { - ++pcb_remove; - } - - - - /* If the PCB should be removed, do it. */ - if (pcb_remove) { - tcp_pcb_purge(pcb); - /* Remove PCB from tcp_tw_pcbs list. */ - if (prev != NULL) { - LWIP_ASSERT("tcp_slowtmr: middle tcp != tcp_tw_pcbs", pcb != tcp_tw_pcbs); - prev->next = pcb->next; - } else { - /* This PCB was the first. */ - LWIP_ASSERT("tcp_slowtmr: first pcb == tcp_tw_pcbs", tcp_tw_pcbs == pcb); - tcp_tw_pcbs = pcb->next; - } - pcb2 = pcb->next; - memp_free(MEMP_TCP_PCB, pcb); - pcb = pcb2; - } else { - prev = pcb; - pcb = pcb->next; - } - } -} - -/** - * Is called every TCP_FAST_INTERVAL (250 ms) and process data previously - * "refused" by upper layer (application) and sends delayed ACKs. - * - * Automatically called from tcp_tmr(). - */ -void -tcp_fasttmr(void) -{ - struct tcp_pcb *pcb; - - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - /* If there is data which was previously "refused" by upper layer */ - if (pcb->refused_data != NULL) { - /* Notify again application with data previously received. */ - err_t err; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_fasttmr: notify kept packet\n")); - TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err); - if (err == ERR_OK) { - pcb->refused_data = NULL; - } - } - - /* send delayed ACKs */ - if (pcb->flags & TF_ACK_DELAY) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_fasttmr: delayed ACK\n")); - tcp_ack_now(pcb); - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW); - } - } -} - -/** - * Deallocates a list of TCP segments (tcp_seg structures). - * - * @param seg tcp_seg list of TCP segments to free - * @return the number of pbufs that were deallocated - */ -u8_t -tcp_segs_free(struct tcp_seg *seg) -{ - u8_t count = 0; - struct tcp_seg *next; - while (seg != NULL) { - next = seg->next; - count += tcp_seg_free(seg); - seg = next; - } - return count; -} - -/** - * Frees a TCP segment (tcp_seg structure). - * - * @param seg single tcp_seg to free - * @return the number of pbufs that were deallocated - */ -u8_t -tcp_seg_free(struct tcp_seg *seg) -{ - u8_t count = 0; - - if (seg != NULL) { - if (seg->p != NULL) { - count = pbuf_free(seg->p); -#if TCP_DEBUG - seg->p = NULL; -#endif /* TCP_DEBUG */ - } - memp_free(MEMP_TCP_SEG, seg); - } - return count; -} - -/** - * Sets the priority of a connection. - * - * @param pcb the tcp_pcb to manipulate - * @param prio new priority - */ -void -tcp_setprio(struct tcp_pcb *pcb, u8_t prio) -{ - pcb->prio = prio; -} -#if TCP_QUEUE_OOSEQ - -/** - * Returns a copy of the given TCP segment. - * The pbuf and data are not copied, only the pointers - * - * @param seg the old tcp_seg - * @return a copy of seg - */ -struct tcp_seg * -tcp_seg_copy(struct tcp_seg *seg) -{ - struct tcp_seg *cseg; - - cseg = memp_malloc(MEMP_TCP_SEG); - if (cseg == NULL) { - return NULL; - } - SMEMCPY((u8_t *)cseg, (const u8_t *)seg, sizeof(struct tcp_seg)); - pbuf_ref(cseg->p); - return cseg; -} -#endif - -#if LWIP_CALLBACK_API -/** - * Default receive callback that is called if the user didn't register - * a recv callback for the pcb. - */ -err_t -tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) -{ - LWIP_UNUSED_ARG(arg); - if (p != NULL) { - tcp_recved(pcb, p->tot_len); - pbuf_free(p); - } else if (err == ERR_OK) { - return tcp_close(pcb); - } - return ERR_OK; -} -#endif /* LWIP_CALLBACK_API */ - -/** - * Kills the oldest active connection that has lower priority than prio. - * - * @param prio minimum priority - */ -static void -tcp_kill_prio(u8_t prio) -{ - struct tcp_pcb *pcb, *inactive; - u32_t inactivity; - u8_t mprio; - - - mprio = TCP_PRIO_MAX; - - /* We kill the oldest active connection that has lower priority than prio. */ - inactivity = 0; - inactive = NULL; - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - if (pcb->prio <= prio && - pcb->prio <= mprio && - (u32_t)(tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - mprio = pcb->prio; - } - } - if (inactive != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_prio: killing oldest PCB %p (%"S32_F")\n", - (void *)inactive, inactivity)); - tcp_abort(inactive); - } -} - -/** - * Kills the oldest connection that is in TIME_WAIT state. - * Called from tcp_alloc() if no more connections are available. - */ -static void -tcp_kill_timewait(void) -{ - struct tcp_pcb *pcb, *inactive; - u32_t inactivity; - - inactivity = 0; - inactive = NULL; - /* Go through the list of TIME_WAIT pcbs and get the oldest pcb. */ - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - if ((u32_t)(tcp_ticks - pcb->tmr) >= inactivity) { - inactivity = tcp_ticks - pcb->tmr; - inactive = pcb; - } - } - if (inactive != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_kill_timewait: killing oldest TIME-WAIT PCB %p (%"S32_F")\n", - (void *)inactive, inactivity)); - tcp_abort(inactive); - } -} - -/** - * Allocate a new tcp_pcb structure. - * - * @param prio priority for the new pcb - * @return a new tcp_pcb that initially is in state CLOSED - */ -struct tcp_pcb * -tcp_alloc(u8_t prio) -{ - struct tcp_pcb *pcb; - u32_t iss; - - pcb = memp_malloc(MEMP_TCP_PCB); - if (pcb == NULL) { - /* Try killing oldest connection in TIME-WAIT. */ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing off oldest TIME-WAIT connection\n")); - tcp_kill_timewait(); - /* Try to allocate a tcp_pcb again. */ - pcb = memp_malloc(MEMP_TCP_PCB); - if (pcb == NULL) { - /* Try killing active connections with lower priority than the new one. */ - LWIP_DEBUGF(TCP_DEBUG, ("tcp_alloc: killing connection with prio lower than %d\n", prio)); - tcp_kill_prio(prio); - /* Try to allocate a tcp_pcb again. */ - pcb = memp_malloc(MEMP_TCP_PCB); - if (pcb != NULL) { - /* adjust err stats: memp_malloc failed twice before */ - MEMP_STATS_DEC(err, MEMP_TCP_PCB); - } - } - if (pcb != NULL) { - /* adjust err stats: timewait PCB was freed above */ - MEMP_STATS_DEC(err, MEMP_TCP_PCB); - } - } - if (pcb != NULL) { - memset(pcb, 0, sizeof(struct tcp_pcb)); - pcb->prio = TCP_PRIO_NORMAL; - pcb->snd_buf = TCP_SND_BUF; - pcb->snd_queuelen = 0; - pcb->rcv_wnd = TCP_WND; - pcb->rcv_ann_wnd = TCP_WND; - pcb->tos = 0; - pcb->ttl = TCP_TTL; - /* As initial send MSS, we use TCP_MSS but limit it to 536. - The send MSS is updated when an MSS option is received. */ - pcb->mss = (TCP_MSS > 536) ? 536 : TCP_MSS; - pcb->rto = 3000 / TCP_SLOW_INTERVAL; - pcb->sa = 0; - pcb->sv = 3000 / TCP_SLOW_INTERVAL; - pcb->rtime = -1; - pcb->cwnd = 1; - iss = tcp_next_iss(); - pcb->snd_wl2 = iss; - pcb->snd_nxt = iss; - pcb->lastack = iss; - pcb->snd_lbb = iss; - pcb->tmr = tcp_ticks; - - pcb->polltmr = 0; - -#if LWIP_CALLBACK_API - pcb->recv = tcp_recv_null; -#endif /* LWIP_CALLBACK_API */ - - /* Init KEEPALIVE timer */ - pcb->keep_idle = TCP_KEEPIDLE_DEFAULT; - -#if LWIP_TCP_KEEPALIVE - pcb->keep_intvl = TCP_KEEPINTVL_DEFAULT; - pcb->keep_cnt = TCP_KEEPCNT_DEFAULT; -#endif /* LWIP_TCP_KEEPALIVE */ - - pcb->keep_cnt_sent = 0; - } - return pcb; -} - -/** - * Creates a new TCP protocol control block but doesn't place it on - * any of the TCP PCB lists. - * The pcb is not put on any list until binding using tcp_bind(). - * - * @internal: Maybe there should be a idle TCP PCB list where these - * PCBs are put on. Port reservation using tcp_bind() is implemented but - * allocated pcbs that are not bound can't be killed automatically if wanting - * to allocate a pcb with higher prio (@see tcp_kill_prio()) - * - * @return a new tcp_pcb that initially is in state CLOSED - */ -struct tcp_pcb * -tcp_new(void) -{ - return tcp_alloc(TCP_PRIO_NORMAL); -} - -/** - * Used to specify the argument that should be passed callback - * functions. - * - * @param pcb tcp_pcb to set the callback argument - * @param arg void pointer argument to pass to callback functions - */ -void -tcp_arg(struct tcp_pcb *pcb, void *arg) -{ - pcb->callback_arg = arg; -} -#if LWIP_CALLBACK_API - -/** - * Used to specify the function that should be called when a TCP - * connection receives data. - * - * @param pcb tcp_pcb to set the recv callback - * @param recv callback function to call for this pcb when data is received - */ -void -tcp_recv(struct tcp_pcb *pcb, - err_t (* recv)(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)) -{ - pcb->recv = recv; -} - -/** - * Used to specify the function that should be called when TCP data - * has been successfully delivered to the remote host. - * - * @param pcb tcp_pcb to set the sent callback - * @param sent callback function to call for this pcb when data is successfully sent - */ -void -tcp_sent(struct tcp_pcb *pcb, - err_t (* sent)(void *arg, struct tcp_pcb *tpcb, u16_t len)) -{ - pcb->sent = sent; -} - -/** - * Used to specify the function that should be called when a fatal error - * has occured on the connection. - * - * @param pcb tcp_pcb to set the err callback - * @param errf callback function to call for this pcb when a fatal error - * has occured on the connection - */ -void -tcp_err(struct tcp_pcb *pcb, - void (* errf)(void *arg, err_t err)) -{ - pcb->errf = errf; -} - -/** - * Used for specifying the function that should be called when a - * LISTENing connection has been connected to another host. - * - * @param pcb tcp_pcb to set the accept callback - * @param accept callback function to call for this pcb when LISTENing - * connection has been connected to another host - */ -void -tcp_accept(struct tcp_pcb *pcb, - err_t (* accept)(void *arg, struct tcp_pcb *newpcb, err_t err)) -{ - pcb->accept = accept; -} -#endif /* LWIP_CALLBACK_API */ - - -/** - * Used to specify the function that should be called periodically - * from TCP. The interval is specified in terms of the TCP coarse - * timer interval, which is called twice a second. - * - */ -void -tcp_poll(struct tcp_pcb *pcb, - err_t (* poll)(void *arg, struct tcp_pcb *tpcb), u8_t interval) -{ -#if LWIP_CALLBACK_API - pcb->poll = poll; -#endif /* LWIP_CALLBACK_API */ - pcb->pollinterval = interval; -} - -/** - * Purges a TCP PCB. Removes any buffered data and frees the buffer memory - * (pcb->ooseq, pcb->unsent and pcb->unacked are freed). - * - * @param pcb tcp_pcb to purge. The pcb itself is not deallocated! - */ -void -tcp_pcb_purge(struct tcp_pcb *pcb) -{ - if (pcb->state != CLOSED && - pcb->state != TIME_WAIT && - pcb->state != LISTEN) { - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge\n")); - -#if TCP_LISTEN_BACKLOG - if (pcb->state == SYN_RCVD) { - /* Need to find the corresponding listen_pcb and decrease its accepts_pending */ - struct tcp_pcb_listen *lpcb; - LWIP_ASSERT("tcp_pcb_purge: pcb->state == SYN_RCVD but tcp_listen_pcbs is NULL", - tcp_listen_pcbs.listen_pcbs != NULL); - for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - if ((lpcb->local_port == pcb->local_port) && - (ip_addr_isany(&lpcb->local_ip) || - ip_addr_cmp(&pcb->local_ip, &lpcb->local_ip))) { - /* port and address of the listen pcb match the timed-out pcb */ - LWIP_ASSERT("tcp_pcb_purge: listen pcb does not have accepts pending", - lpcb->accepts_pending > 0); - lpcb->accepts_pending--; - break; - } - } - } -#endif /* TCP_LISTEN_BACKLOG */ - - - if (pcb->refused_data != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->refused_data\n")); - pbuf_free(pcb->refused_data); - pcb->refused_data = NULL; - } - if (pcb->unsent != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: not all data sent\n")); - } - if (pcb->unacked != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->unacked\n")); - } -#if TCP_QUEUE_OOSEQ /* LW */ - if (pcb->ooseq != NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_pcb_purge: data left on ->ooseq\n")); - } - - /* Stop the retransmission timer as it will expect data on unacked - queue if it fires */ - pcb->rtime = -1; - - tcp_segs_free(pcb->ooseq); - pcb->ooseq = NULL; -#endif /* TCP_QUEUE_OOSEQ */ - tcp_segs_free(pcb->unsent); - tcp_segs_free(pcb->unacked); - pcb->unacked = pcb->unsent = NULL; - } -} - -/** - * Purges the PCB and removes it from a PCB list. Any delayed ACKs are sent first. - * - * @param pcblist PCB list to purge. - * @param pcb tcp_pcb to purge. The pcb itself is NOT deallocated! - */ -void -tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb) -{ - TCP_RMV(pcblist, pcb); - - tcp_pcb_purge(pcb); - - /* if there is an outstanding delayed ACKs, send it */ - if (pcb->state != TIME_WAIT && - pcb->state != LISTEN && - pcb->flags & TF_ACK_DELAY) { - pcb->flags |= TF_ACK_NOW; - tcp_output(pcb); - } - - if (pcb->state != LISTEN) { - LWIP_ASSERT("unsent segments leaking", pcb->unsent == NULL); - LWIP_ASSERT("unacked segments leaking", pcb->unacked == NULL); -#if TCP_QUEUE_OOSEQ - LWIP_ASSERT("ooseq segments leaking", pcb->ooseq == NULL); -#endif /* TCP_QUEUE_OOSEQ */ - } - - pcb->state = CLOSED; - - LWIP_ASSERT("tcp_pcb_remove: tcp_pcbs_sane()", tcp_pcbs_sane()); -} - -/** - * Calculates a new initial sequence number for new connections. - * - * @return u32_t pseudo random sequence number - */ -u32_t -tcp_next_iss(void) -{ - static u32_t iss = 6510; - - iss += tcp_ticks; /* XXX */ - return iss; -} - -#if TCP_CALCULATE_EFF_SEND_MSS -/** - * Calcluates the effective send mss that can be used for a specific IP address - * by using ip_route to determin the netif used to send to the address and - * calculating the minimum of TCP_MSS and that netif's mtu (if set). - */ -u16_t -tcp_eff_send_mss(u16_t sendmss, struct ip_addr *addr) -{ - u16_t mss_s; - struct netif *outif; - - outif = ip_route(addr); - if ((outif != NULL) && (outif->mtu != 0)) { - mss_s = outif->mtu - IP_HLEN - TCP_HLEN; - /* RFC 1122, chap 4.2.2.6: - * Eff.snd.MSS = min(SendMSS+20, MMS_S) - TCPhdrsize - IPoptionsize - * We correct for TCP options in tcp_enqueue(), and don't support - * IP options - */ - sendmss = LWIP_MIN(sendmss, mss_s); - } - return sendmss; -} -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - -const char* -tcp_debug_state_str(enum tcp_state s) -{ - return tcp_state_str[s]; -} - -#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG -/** - * Print a tcp header for debugging purposes. - * - * @param tcphdr pointer to a struct tcp_hdr - */ -void -tcp_debug_print(struct tcp_hdr *tcphdr) -{ - LWIP_DEBUGF(TCP_DEBUG, ("TCP header:\n")); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %5"U16_F" | %5"U16_F" | (src port, dest port)\n", - ntohs(tcphdr->src), ntohs(tcphdr->dest))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %010"U32_F" | (seq no)\n", - ntohl(tcphdr->seqno))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %010"U32_F" | (ack no)\n", - ntohl(tcphdr->ackno))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| %2"U16_F" | |%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"%"U16_F"| %5"U16_F" | (hdrlen, flags (", - TCPH_HDRLEN(tcphdr), - TCPH_FLAGS(tcphdr) >> 5 & 1, - TCPH_FLAGS(tcphdr) >> 4 & 1, - TCPH_FLAGS(tcphdr) >> 3 & 1, - TCPH_FLAGS(tcphdr) >> 2 & 1, - TCPH_FLAGS(tcphdr) >> 1 & 1, - TCPH_FLAGS(tcphdr) & 1, - ntohs(tcphdr->wnd))); - tcp_debug_print_flags(TCPH_FLAGS(tcphdr)); - LWIP_DEBUGF(TCP_DEBUG, ("), win)\n")); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(TCP_DEBUG, ("| 0x%04"X16_F" | %5"U16_F" | (chksum, urgp)\n", - ntohs(tcphdr->chksum), ntohs(tcphdr->urgp))); - LWIP_DEBUGF(TCP_DEBUG, ("+-------------------------------+\n")); -} - -/** - * Print a tcp state for debugging purposes. - * - * @param s enum tcp_state to print - */ -void -tcp_debug_print_state(enum tcp_state s) -{ - LWIP_DEBUGF(TCP_DEBUG, ("State: %s\n", tcp_state_str[s])); -} - -/** - * Print tcp flags for debugging purposes. - * - * @param flags tcp flags, all active flags are printed - */ -void -tcp_debug_print_flags(u8_t flags) -{ - if (flags & TCP_FIN) { - LWIP_DEBUGF(TCP_DEBUG, ("FIN ")); - } - if (flags & TCP_SYN) { - LWIP_DEBUGF(TCP_DEBUG, ("SYN ")); - } - if (flags & TCP_RST) { - LWIP_DEBUGF(TCP_DEBUG, ("RST ")); - } - if (flags & TCP_PSH) { - LWIP_DEBUGF(TCP_DEBUG, ("PSH ")); - } - if (flags & TCP_ACK) { - LWIP_DEBUGF(TCP_DEBUG, ("ACK ")); - } - if (flags & TCP_URG) { - LWIP_DEBUGF(TCP_DEBUG, ("URG ")); - } - if (flags & TCP_ECE) { - LWIP_DEBUGF(TCP_DEBUG, ("ECE ")); - } - if (flags & TCP_CWR) { - LWIP_DEBUGF(TCP_DEBUG, ("CWR ")); - } - LWIP_DEBUGF(TCP_DEBUG, ("\n")); -} - -/** - * Print all tcp_pcbs in every list for debugging purposes. - */ -void -tcp_debug_print_pcbs(void) -{ - struct tcp_pcb *pcb; - LWIP_DEBUGF(TCP_DEBUG, ("Active PCB states:\n")); - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("[%p]Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb, pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } - LWIP_DEBUGF(TCP_DEBUG, ("Listen PCB states:\n")); - for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("[%p]Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb, pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } - LWIP_DEBUGF(TCP_DEBUG, ("TIME-WAIT PCB states:\n")); - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_DEBUGF(TCP_DEBUG, ("[%p]Local port %"U16_F", foreign port %"U16_F" snd_nxt %"U32_F" rcv_nxt %"U32_F" ", - pcb, pcb->local_port, pcb->remote_port, - pcb->snd_nxt, pcb->rcv_nxt)); - tcp_debug_print_state(pcb->state); - } -} - -/** - * Check state consistency of the tcp_pcb lists. - */ -s16_t -tcp_pcbs_sane(void) -{ - struct tcp_pcb *pcb; - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != CLOSED", pcb->state != CLOSED); - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != LISTEN", pcb->state != LISTEN); - LWIP_ASSERT("tcp_pcbs_sane: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT); - } - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_pcbs_sane: tw pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - } - return 1; -} -#endif /* TCP_DEBUG */ - -#endif /* LWIP_TCP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_in.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_in.c deleted file mode 100644 index 3930b40..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_in.c +++ /dev/null @@ -1,1508 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Transmission Control Protocol, incoming traffic - * - * The input processing functions of the TCP layer. - * - * These functions are generally called in the order (ip_input() ->) - * tcp_input() -> * tcp_process() -> tcp_receive() (-> application). - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/tcp.h" -#include "lwip/def.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "arch/perf.h" - -/* These variables are global to all functions involved in the input - processing of TCP segments. They are set by the tcp_input() - function. */ -static struct tcp_seg inseg; -static struct tcp_hdr *tcphdr; -static struct ip_hdr *iphdr; -static u32_t seqno, ackno; -static u8_t flags; -static u16_t tcplen; - -static u8_t recv_flags; -static struct pbuf *recv_data; - -struct tcp_pcb *tcp_input_pcb; - -/* Forward declarations. */ -static err_t tcp_process(struct tcp_pcb *pcb); -static void tcp_receive(struct tcp_pcb *pcb); -static void tcp_parseopt(struct tcp_pcb *pcb); - -static err_t tcp_listen_input(struct tcp_pcb_listen *pcb); -static err_t tcp_timewait_input(struct tcp_pcb *pcb); - -/** - * The initial input processing of TCP. It verifies the TCP header, demultiplexes - * the segment between the PCBs and passes it on to tcp_process(), which implements - * the TCP finite state machine. This function is called by the IP layer (in - * ip_input()). - * - * @param p received TCP segment to process (p->payload pointing to the IP header) - * @param inp network interface on which this segment was received - */ -void -tcp_input(struct pbuf *p, struct netif *inp) -{ - struct tcp_pcb *pcb, *prev; - struct tcp_pcb_listen *lpcb; - u8_t hdrlen; - err_t err; - - PERF_START; - - TCP_STATS_INC(tcp.recv); - snmp_inc_tcpinsegs(); - - iphdr = p->payload; - tcphdr = (struct tcp_hdr *)((u8_t *)p->payload + IPH_HL(iphdr) * 4); - -#if TCP_INPUT_DEBUG - tcp_debug_print(tcphdr); -#endif - - /* remove header from payload */ - if (pbuf_header(p, -((s16_t)(IPH_HL(iphdr) * 4))) || (p->tot_len < sizeof(struct tcp_hdr))) { - /* drop short packets */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet (%"U16_F" bytes) discarded\n", p->tot_len)); - TCP_STATS_INC(tcp.lenerr); - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - - /* Don't even process incoming broadcasts/multicasts. */ - if (ip_addr_isbroadcast(&(iphdr->dest), inp) || - ip_addr_ismulticast(&(iphdr->dest))) { - TCP_STATS_INC(tcp.proterr); - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - -#if CHECKSUM_CHECK_TCP - /* Verify TCP checksum. */ - if (inet_chksum_pseudo(p, (struct ip_addr *)&(iphdr->src), - (struct ip_addr *)&(iphdr->dest), - IP_PROTO_TCP, p->tot_len) != 0) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packet discarded due to failing checksum 0x%04"X16_F"\n", - inet_chksum_pseudo(p, (struct ip_addr *)&(iphdr->src), (struct ip_addr *)&(iphdr->dest), - IP_PROTO_TCP, p->tot_len))); -#if TCP_DEBUG - tcp_debug_print(tcphdr); -#endif /* TCP_DEBUG */ - TCP_STATS_INC(tcp.chkerr); - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } -#endif - - /* Move the payload pointer in the pbuf so that it points to the - TCP data instead of the TCP header. */ - hdrlen = TCPH_HDRLEN(tcphdr); - if(pbuf_header(p, -(hdrlen * 4))){ - /* drop short packets */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: short packet\n")); - TCP_STATS_INC(tcp.lenerr); - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - - /* Convert fields in TCP header to host byte order. */ - tcphdr->src = ntohs(tcphdr->src); - tcphdr->dest = ntohs(tcphdr->dest); - seqno = tcphdr->seqno = ntohl(tcphdr->seqno); - ackno = tcphdr->ackno = ntohl(tcphdr->ackno); - tcphdr->wnd = ntohs(tcphdr->wnd); - - flags = TCPH_FLAGS(tcphdr); - tcplen = p->tot_len + ((flags & (TCP_FIN | TCP_SYN)) ? 1 : 0); - - /* Demultiplex an incoming segment. First, we check if it is destined - for an active connection. */ - prev = NULL; - - - for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_input: active pcb->state != CLOSED", pcb->state != CLOSED); - LWIP_ASSERT("tcp_input: active pcb->state != TIME-WAIT", pcb->state != TIME_WAIT); - LWIP_ASSERT("tcp_input: active pcb->state != LISTEN", pcb->state != LISTEN); - if (pcb->remote_port == tcphdr->src && - pcb->local_port == tcphdr->dest && - ip_addr_cmp(&(pcb->remote_ip), &(iphdr->src)) && - ip_addr_cmp(&(pcb->local_ip), &(iphdr->dest))) { - - /* Move this PCB to the front of the list so that subsequent - lookups will be faster (we exploit locality in TCP segment - arrivals). */ - LWIP_ASSERT("tcp_input: pcb->next != pcb (before cache)", pcb->next != pcb); - if (prev != NULL) { - prev->next = pcb->next; - pcb->next = tcp_active_pcbs; - tcp_active_pcbs = pcb; - } - LWIP_ASSERT("tcp_input: pcb->next != pcb (after cache)", pcb->next != pcb); - break; - } - prev = pcb; - } - - if (pcb == NULL) { - /* If it did not go to an active connection, we check the connections - in the TIME-WAIT state. */ - for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) { - LWIP_ASSERT("tcp_input: TIME-WAIT pcb->state == TIME-WAIT", pcb->state == TIME_WAIT); - if (pcb->remote_port == tcphdr->src && - pcb->local_port == tcphdr->dest && - ip_addr_cmp(&(pcb->remote_ip), &(iphdr->src)) && - ip_addr_cmp(&(pcb->local_ip), &(iphdr->dest))) { - /* We don't really care enough to move this PCB to the front - of the list since we are not very likely to receive that - many segments for connections in TIME-WAIT. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for TIME_WAITing connection.\n")); - tcp_timewait_input(pcb); - pbuf_free(p); - return; - } - } - - /* Finally, if we still did not get a match, we check all PCBs that - are LISTENing for incoming connections. */ - prev = NULL; - for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) { - if ((ip_addr_isany(&(lpcb->local_ip)) || - ip_addr_cmp(&(lpcb->local_ip), &(iphdr->dest))) && - lpcb->local_port == tcphdr->dest) { - /* Move this PCB to the front of the list so that subsequent - lookups will be faster (we exploit locality in TCP segment - arrivals). */ - if (prev != NULL) { - ((struct tcp_pcb_listen *)prev)->next = lpcb->next; - /* our successor is the remainder of the listening list */ - lpcb->next = tcp_listen_pcbs.listen_pcbs; - /* put this listening pcb at the head of the listening list */ - tcp_listen_pcbs.listen_pcbs = lpcb; - } - - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: packed for LISTENing connection.\n")); - tcp_listen_input(lpcb); - pbuf_free(p); - return; - } - prev = (struct tcp_pcb *)lpcb; - } - } - -#if TCP_INPUT_DEBUG - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("+-+-+-+-+-+-+-+-+-+-+-+-+-+- tcp_input: flags ")); - tcp_debug_print_flags(TCPH_FLAGS(tcphdr)); - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("-+-+-+-+-+-+-+-+-+-+-+-+-+-+\n")); -#endif /* TCP_INPUT_DEBUG */ - - - if (pcb != NULL) { - /* The incoming segment belongs to a connection. */ -#if TCP_INPUT_DEBUG -#if TCP_DEBUG - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ -#endif /* TCP_INPUT_DEBUG */ - - /* Set up a tcp_seg structure. */ - inseg.next = NULL; - inseg.len = p->tot_len; - inseg.dataptr = p->payload; - inseg.p = p; - inseg.tcphdr = tcphdr; - - recv_data = NULL; - recv_flags = 0; - - /* If there is data which was previously "refused" by upper layer */ - if (pcb->refused_data != NULL) { - /* Notify again application with data previously received. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: notify kept packet\n")); - TCP_EVENT_RECV(pcb, pcb->refused_data, ERR_OK, err); - if (err == ERR_OK) { - pcb->refused_data = NULL; - } else { - /* drop incoming packets, because pcb is "full" */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: drop incoming packets, because pcb is \"full\"\n")); - TCP_STATS_INC(tcp.drop); - snmp_inc_tcpinerrs(); - pbuf_free(p); - return; - } - } - tcp_input_pcb = pcb; - err = tcp_process(pcb); - /* A return value of ERR_ABRT means that tcp_abort() was called - and that the pcb has been freed. If so, we don't do anything. */ - if (err != ERR_ABRT) { - if (recv_flags & TF_RESET) { - /* TF_RESET means that the connection was reset by the other - end. We then call the error callback to inform the - application that the connection is dead before we - deallocate the PCB. */ - TCP_EVENT_ERR(pcb->errf, pcb->callback_arg, ERR_RST); - tcp_pcb_remove(&tcp_active_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - } else if (recv_flags & TF_CLOSED) { - /* The connection has been closed and we will deallocate the - PCB. */ - tcp_pcb_remove(&tcp_active_pcbs, pcb); - memp_free(MEMP_TCP_PCB, pcb); - } else { - err = ERR_OK; - /* If the application has registered a "sent" function to be - called when new send buffer space is available, we call it - now. */ - if (pcb->acked > 0) { - TCP_EVENT_SENT(pcb, pcb->acked, err); - } - - if (recv_data != NULL) { - if(flags & TCP_PSH) { - recv_data->flags |= PBUF_FLAG_PUSH; - } - - /* Notify application that data has been received. */ - TCP_EVENT_RECV(pcb, recv_data, ERR_OK, err); - - /* If the upper layer can't receive this data, store it */ - if (err != ERR_OK) { - pcb->refused_data = recv_data; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_input: keep incoming packet, because pcb is \"full\"\n")); - } - } - - /* If a FIN segment was received, we call the callback - function with a NULL buffer to indicate EOF. */ - if (recv_flags & TF_GOT_FIN) { - TCP_EVENT_RECV(pcb, NULL, ERR_OK, err); - } - - tcp_input_pcb = NULL; - /* Try to send something out. */ - tcp_output(pcb); -#if TCP_INPUT_DEBUG -#if TCP_DEBUG - tcp_debug_print_state(pcb->state); -#endif /* TCP_DEBUG */ -#endif /* TCP_INPUT_DEBUG */ - } - } - tcp_input_pcb = NULL; - - - /* give up our reference to inseg.p */ - if (inseg.p != NULL) - { - pbuf_free(inseg.p); - inseg.p = NULL; - } - } else { - - /* If no matching PCB was found, send a TCP RST (reset) to the - sender. */ - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_input: no PCB match found, resetting.\n")); - if (!(TCPH_FLAGS(tcphdr) & TCP_RST)) { - TCP_STATS_INC(tcp.proterr); - TCP_STATS_INC(tcp.drop); - tcp_rst(ackno, seqno + tcplen, - &(iphdr->dest), &(iphdr->src), - tcphdr->dest, tcphdr->src); - } - pbuf_free(p); - } - - LWIP_ASSERT("tcp_input: tcp_pcbs_sane()", tcp_pcbs_sane()); - PERF_STOP("tcp_input"); -} - -/** - * Called by tcp_input() when a segment arrives for a listening - * connection (from tcp_input()). - * - * @param pcb the tcp_pcb_listen for which a segment arrived - * @return ERR_OK if the segment was processed - * another err_t on error - * - * @note the return value is not (yet?) used in tcp_input() - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ -static err_t -tcp_listen_input(struct tcp_pcb_listen *pcb) -{ - struct tcp_pcb *npcb; - err_t rc; - - /* In the LISTEN state, we check for incoming SYN segments, - creates a new PCB, and responds with a SYN|ACK. */ - if (flags & TCP_ACK) { - /* For incoming segments with the ACK flag set, respond with a - RST. */ - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_listen_input: ACK in LISTEN, sending reset\n")); - tcp_rst(ackno + 1, seqno + tcplen, - &(iphdr->dest), &(iphdr->src), - tcphdr->dest, tcphdr->src); - } else if (flags & TCP_SYN) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection request %"U16_F" -> %"U16_F".\n", tcphdr->src, tcphdr->dest)); -#if TCP_LISTEN_BACKLOG - if (pcb->accepts_pending >= pcb->backlog) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: listen backlog exceeded for port %"U16_F"\n", tcphdr->dest)); - return ERR_ABRT; - } -#endif /* TCP_LISTEN_BACKLOG */ - npcb = tcp_alloc(pcb->prio); - /* If a new PCB could not be created (probably due to lack of memory), - we don't do anything, but rely on the sender will retransmit the - SYN at a time when we have more memory available. */ - if (npcb == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_listen_input: could not allocate PCB\n")); - TCP_STATS_INC(tcp.memerr); - return ERR_MEM; - } -#if TCP_LISTEN_BACKLOG - pcb->accepts_pending++; -#endif /* TCP_LISTEN_BACKLOG */ - /* Set up the new PCB. */ - ip_addr_set(&(npcb->local_ip), &(iphdr->dest)); - npcb->local_port = pcb->local_port; - ip_addr_set(&(npcb->remote_ip), &(iphdr->src)); - npcb->remote_port = tcphdr->src; - npcb->state = SYN_RCVD; - npcb->rcv_nxt = seqno + 1; - npcb->rcv_ann_right_edge = npcb->rcv_nxt; - npcb->snd_wnd = tcphdr->wnd; - npcb->ssthresh = npcb->snd_wnd; - npcb->snd_wl1 = seqno - 1;/* initialise to seqno-1 to force window update */ - npcb->callback_arg = pcb->callback_arg; -#if LWIP_CALLBACK_API - npcb->accept = pcb->accept; -#endif /* LWIP_CALLBACK_API */ - /* inherit socket options */ - npcb->so_options = pcb->so_options & (SOF_DEBUG|SOF_DONTROUTE|SOF_KEEPALIVE|SOF_OOBINLINE|SOF_LINGER); - /* Register the new PCB so that we can begin receiving segments - for it. */ - TCP_REG(&tcp_active_pcbs, npcb); - - /* Parse any options in the SYN. */ - tcp_parseopt(npcb); -#if TCP_CALCULATE_EFF_SEND_MSS - npcb->mss = tcp_eff_send_mss(npcb->mss, &(npcb->remote_ip)); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - - snmp_inc_tcppassiveopens(); - - /* Send a SYN|ACK together with the MSS option. */ - rc = tcp_enqueue(npcb, NULL, 0, TCP_SYN | TCP_ACK, 0, TF_SEG_OPTS_MSS -#if LWIP_TCP_TIMESTAMPS - /* and maybe include the TIMESTAMP option */ - | (npcb->flags & TF_TIMESTAMP ? TF_SEG_OPTS_TS : 0) -#endif - ); - if (rc != ERR_OK) { - tcp_abandon(npcb, 0); - return rc; - } - return tcp_output(npcb); - } - return ERR_OK; -} - -/** - * Called by tcp_input() when a segment arrives for a connection in - * TIME_WAIT. - * - * @param pcb the tcp_pcb for which a segment arrived - * - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ -static err_t -tcp_timewait_input(struct tcp_pcb *pcb) -{ - /* RFC 1337: in TIME_WAIT, ignore RST and ACK FINs + any 'acceptable' segments */ - /* RFC 793 3.9 Event Processing - Segment Arrives: - * - first check sequence number - we skip that one in TIME_WAIT (always - * acceptable since we only send ACKs) - * - second check the RST bit (... return) */ - if (flags & TCP_RST) { - return ERR_OK; - } - /* - fourth, check the SYN bit, */ - if (flags & TCP_SYN) { - /* If an incoming segment is not acceptable, an acknowledgment - should be sent in reply */ - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt+pcb->rcv_wnd)) { - /* If the SYN is in the window it is an error, send a reset */ - tcp_rst(ackno, seqno + tcplen, &(iphdr->dest), &(iphdr->src), - tcphdr->dest, tcphdr->src); - return ERR_OK; - } - } else if (flags & TCP_FIN) { - /* - eighth, check the FIN bit: Remain in the TIME-WAIT state. - Restart the 2 MSL time-wait timeout.*/ - pcb->tmr = tcp_ticks; - } - - if ((tcplen > 0)) { - /* Acknowledge data, FIN or out-of-window SYN */ - pcb->flags |= TF_ACK_NOW; - return tcp_output(pcb); - } - return ERR_OK; -} - -/** - * Implements the TCP state machine. Called by tcp_input. In some - * states tcp_receive() is called to receive data. The tcp_seg - * argument will be freed by the caller (tcp_input()) unless the - * recv_data pointer in the pcb is set. - * - * @param pcb the tcp_pcb for which a segment arrived - * - * @note the segment which arrived is saved in global variables, therefore only the pcb - * involved is passed as a parameter to this function - */ -static err_t -tcp_process(struct tcp_pcb *pcb) -{ - struct tcp_seg *rseg; - u8_t acceptable = 0; - err_t err; - - err = ERR_OK; - - /* Process incoming RST segments. */ - if (flags & TCP_RST) { - /* First, determine if the reset is acceptable. */ - if (pcb->state == SYN_SENT) { - if (ackno == pcb->snd_nxt) { - acceptable = 1; - } - } else { - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, - pcb->rcv_nxt+pcb->rcv_wnd)) { - acceptable = 1; - } - } - - if (acceptable) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: Connection RESET\n")); - LWIP_ASSERT("tcp_input: pcb->state != CLOSED", pcb->state != CLOSED); - recv_flags |= TF_RESET; - pcb->flags &= ~TF_ACK_DELAY; - return ERR_RST; - } else { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n", - seqno, pcb->rcv_nxt)); - LWIP_DEBUGF(TCP_DEBUG, ("tcp_process: unacceptable reset seqno %"U32_F" rcv_nxt %"U32_F"\n", - seqno, pcb->rcv_nxt)); - return ERR_OK; - } - } - - if ((flags & TCP_SYN) && (pcb->state != SYN_SENT && pcb->state != SYN_RCVD)) { - /* Cope with new connection attempt after remote end crashed */ - tcp_ack_now(pcb); - return ERR_OK; - } - - /* Update the PCB (in)activity timer. */ - pcb->tmr = tcp_ticks; - pcb->keep_cnt_sent = 0; - - tcp_parseopt(pcb); - - /* Do different things depending on the TCP state. */ - switch (pcb->state) { - case SYN_SENT: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("SYN-SENT: ackno %"U32_F" pcb->snd_nxt %"U32_F" unacked %"U32_F"\n", ackno, - pcb->snd_nxt, ntohl(pcb->unacked->tcphdr->seqno))); - /* received SYN ACK with expected sequence number? */ - if ((flags & TCP_ACK) && (flags & TCP_SYN) - && ackno == ntohl(pcb->unacked->tcphdr->seqno) + 1) { - pcb->snd_buf++; - pcb->rcv_nxt = seqno + 1; - pcb->rcv_ann_right_edge = pcb->rcv_nxt; - pcb->lastack = ackno; - pcb->snd_wnd = tcphdr->wnd; - pcb->snd_wl1 = seqno - 1; /* initialise to seqno - 1 to force window update */ - pcb->state = ESTABLISHED; - -#if TCP_CALCULATE_EFF_SEND_MSS - pcb->mss = tcp_eff_send_mss(pcb->mss, &(pcb->remote_ip)); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - - /* Set ssthresh again after changing pcb->mss (already set in tcp_connect - * but for the default value of pcb->mss) */ - pcb->ssthresh = pcb->mss * 10; - - pcb->cwnd = ((pcb->cwnd == 1) ? (pcb->mss * 2) : pcb->mss); - LWIP_ASSERT("pcb->snd_queuelen > 0", (pcb->snd_queuelen > 0)); - --pcb->snd_queuelen; - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_process: SYN-SENT --queuelen %"U16_F"\n", (u16_t)pcb->snd_queuelen)); - rseg = pcb->unacked; - pcb->unacked = rseg->next; - - /* If there's nothing left to acknowledge, stop the retransmit - timer, otherwise reset it to start again */ - if(pcb->unacked == NULL) - pcb->rtime = -1; - else { - pcb->rtime = 0; - pcb->nrtx = 0; - } - - tcp_seg_free(rseg); - - /* Call the user specified function to call when sucessfully - * connected. */ - TCP_EVENT_CONNECTED(pcb, ERR_OK, err); - tcp_ack_now(pcb); - } - /* received ACK? possibly a half-open connection */ - else if (flags & TCP_ACK) { - /* send a RST to bring the other side in a non-synchronized state. */ - tcp_rst(ackno, seqno + tcplen, &(iphdr->dest), &(iphdr->src), - tcphdr->dest, tcphdr->src); - } - break; - case SYN_RCVD: - if (flags & TCP_ACK) { - /* expected ACK number? */ - if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)) { - u16_t old_cwnd; - pcb->state = ESTABLISHED; - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection established %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); -#if LWIP_CALLBACK_API - LWIP_ASSERT("pcb->accept != NULL", pcb->accept != NULL); -#endif - /* Call the accept function. */ - TCP_EVENT_ACCEPT(pcb, ERR_OK, err); - if (err != ERR_OK) { - /* If the accept function returns with an error, we abort - * the connection. */ - tcp_abort(pcb); - return ERR_ABRT; - } - old_cwnd = pcb->cwnd; - /* If there was any data contained within this ACK, - * we'd better pass it on to the application as well. */ - tcp_receive(pcb); - - /* Prevent ACK for SYN to generate a sent event */ - if (pcb->acked != 0) { - pcb->acked--; - } - - pcb->cwnd = ((old_cwnd == 1) ? (pcb->mss * 2) : pcb->mss); - - if (recv_flags & TF_GOT_FIN) { - tcp_ack_now(pcb); - pcb->state = CLOSE_WAIT; - } - } - /* incorrect ACK number */ - else { - /* send RST */ - tcp_rst(ackno, seqno + tcplen, &(iphdr->dest), &(iphdr->src), - tcphdr->dest, tcphdr->src); - } - } else if ((flags & TCP_SYN) && (seqno == pcb->rcv_nxt - 1)) { - /* Looks like another copy of the SYN - retransmit our SYN-ACK */ - tcp_rexmit(pcb); - } - break; - case CLOSE_WAIT: - /* FALLTHROUGH */ - case ESTABLISHED: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { /* passive close */ - tcp_ack_now(pcb); - pcb->state = CLOSE_WAIT; - } - break; - case FIN_WAIT_1: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { - if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) { - LWIP_DEBUGF(TCP_DEBUG, - ("TCP connection closed: FIN_WAIT_1 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_ack_now(pcb); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); - } else { - tcp_ack_now(pcb); - pcb->state = CLOSING; - } - } else if ((flags & TCP_ACK) && (ackno == pcb->snd_nxt)) { - pcb->state = FIN_WAIT_2; - } - break; - case FIN_WAIT_2: - tcp_receive(pcb); - if (recv_flags & TF_GOT_FIN) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: FIN_WAIT_2 %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_ack_now(pcb); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); - } - break; - case CLOSING: - tcp_receive(pcb); - if (flags & TCP_ACK && ackno == pcb->snd_nxt) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: CLOSING %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - tcp_pcb_purge(pcb); - TCP_RMV(&tcp_active_pcbs, pcb); - pcb->state = TIME_WAIT; - TCP_REG(&tcp_tw_pcbs, pcb); - } - break; - case LAST_ACK: - tcp_receive(pcb); - if (flags & TCP_ACK && ackno == pcb->snd_nxt) { - LWIP_DEBUGF(TCP_DEBUG, ("TCP connection closed: LAST_ACK %"U16_F" -> %"U16_F".\n", inseg.tcphdr->src, inseg.tcphdr->dest)); - /* bugfix #21699: don't set pcb->state to CLOSED here or we risk leaking segments */ - recv_flags |= TF_CLOSED; - } - break; - default: - break; - } - return ERR_OK; -} - -#if TCP_QUEUE_OOSEQ -/** - * Insert segment into the list (segments covered with new one will be deleted) - * - * Called from tcp_receive() - */ -static void -tcp_oos_insert_segment(struct tcp_seg *cseg, struct tcp_seg *next) -{ - struct tcp_seg *old_seg; - - if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) { - /* received segment overlaps all following segments */ - tcp_segs_free(next); - next = NULL; - } - else { - /* delete some following segments - oos queue may have segments with FIN flag */ - while (next && - TCP_SEQ_GEQ((seqno + cseg->len), - (next->tcphdr->seqno + next->len))) { - /* cseg with FIN already processed */ - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) { - TCPH_FLAGS_SET(cseg->tcphdr, TCPH_FLAGS(cseg->tcphdr) | TCP_FIN); - } - old_seg = next; - next = next->next; - tcp_seg_free(old_seg); - } - if (next && - TCP_SEQ_GT(seqno + cseg->len, next->tcphdr->seqno)) { - /* We need to trim the incoming segment. */ - cseg->len = (u16_t)(next->tcphdr->seqno - seqno); - pbuf_realloc(cseg->p, cseg->len); - } - } - cseg->next = next; -} -#endif - -/** - * Called by tcp_process. Checks if the given segment is an ACK for outstanding - * data, and if so frees the memory of the buffered data. Next, is places the - * segment on any of the receive queues (pcb->recved or pcb->ooseq). If the segment - * is buffered, the pbuf is referenced by pbuf_ref so that it will not be freed until - * i it has been removed from the buffer. - * - * If the incoming segment constitutes an ACK for a segment that was used for RTT - * estimation, the RTT is estimated here as well. - * - * Called from tcp_process(). - */ -static void -tcp_receive(struct tcp_pcb *pcb) -{ - struct tcp_seg *next; -#if TCP_QUEUE_OOSEQ - struct tcp_seg *prev, *cseg; -#endif - struct pbuf *p; - s32_t off; - s16_t m; - u32_t right_wnd_edge; - u16_t new_tot_len; - int found_dupack = 0; - - if (flags & TCP_ACK) { - right_wnd_edge = pcb->snd_wnd + pcb->snd_wl2; - - /* Update window. */ - if (TCP_SEQ_LT(pcb->snd_wl1, seqno) || - (pcb->snd_wl1 == seqno && TCP_SEQ_LT(pcb->snd_wl2, ackno)) || - (pcb->snd_wl2 == ackno && tcphdr->wnd > pcb->snd_wnd)) { - pcb->snd_wnd = tcphdr->wnd; - pcb->snd_wl1 = seqno; - pcb->snd_wl2 = ackno; - if (pcb->snd_wnd > 0 && pcb->persist_backoff > 0) { - pcb->persist_backoff = 0; - } - LWIP_DEBUGF(TCP_WND_DEBUG, ("tcp_receive: window update %"U16_F"\n", pcb->snd_wnd)); -#if TCP_WND_DEBUG - } else { - if (pcb->snd_wnd != tcphdr->wnd) { - LWIP_DEBUGF(TCP_WND_DEBUG, - ("tcp_receive: no window update lastack %"U32_F" ackno %" - U32_F" wl1 %"U32_F" seqno %"U32_F" wl2 %"U32_F"\n", - pcb->lastack, ackno, pcb->snd_wl1, seqno, pcb->snd_wl2)); - } -#endif /* TCP_WND_DEBUG */ - } - - /* (From Stevens TCP/IP Illustrated Vol II, p970.) Its only a - * duplicate ack if: - * 1) It doesn't ACK new data - * 2) length of received packet is zero (i.e. no payload) - * 3) the advertised window hasn't changed - * 4) There is outstanding unacknowledged data (retransmission timer running) - * 5) The ACK is == biggest ACK sequence number so far seen (snd_una) - * - * If it passes all five, should process as a dupack: - * a) dupacks < 3: do nothing - * b) dupacks == 3: fast retransmit - * c) dupacks > 3: increase cwnd - * - * If it only passes 1-3, should reset dupack counter (and add to - * stats, which we don't do in lwIP) - * - * If it only passes 1, should reset dupack counter - * - */ - - /* Clause 1 */ - if (TCP_SEQ_LEQ(ackno, pcb->lastack)) { - pcb->acked = 0; - /* Clause 2 */ - if (tcplen == 0) { - /* Clause 3 */ - if (pcb->snd_wl2 + pcb->snd_wnd == right_wnd_edge){ - /* Clause 4 */ - if (pcb->rtime >= 0) { - /* Clause 5 */ - if (pcb->lastack == ackno) { - found_dupack = 1; - if (pcb->dupacks + 1 > pcb->dupacks) - ++pcb->dupacks; - if (pcb->dupacks > 3) { - /* Inflate the congestion window, but not if it means that - the value overflows. */ - if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) { - pcb->cwnd += pcb->mss; - } - } else if (pcb->dupacks == 3) { - /* Do fast retransmit */ - tcp_rexmit_fast(pcb); - } - } - } - } - } - /* If Clause (1) or more is true, but not a duplicate ack, reset - * count of consecutive duplicate acks */ - if (!found_dupack) { - pcb->dupacks = 0; - } - } else if (TCP_SEQ_BETWEEN(ackno, pcb->lastack+1, pcb->snd_nxt)){ - /* We come here when the ACK acknowledges new data. */ - - /* Reset the "IN Fast Retransmit" flag, since we are no longer - in fast retransmit. Also reset the congestion window to the - slow start threshold. */ - if (pcb->flags & TF_INFR) { - pcb->flags &= ~TF_INFR; - pcb->cwnd = pcb->ssthresh; - } - - /* Reset the number of retransmissions. */ - pcb->nrtx = 0; - - /* Reset the retransmission time-out. */ - pcb->rto = (pcb->sa >> 3) + pcb->sv; - - /* Update the send buffer space. Diff between the two can never exceed 64K? */ - pcb->acked = (u16_t)(ackno - pcb->lastack); - - pcb->snd_buf += pcb->acked; - - /* Reset the fast retransmit variables. */ - pcb->dupacks = 0; - pcb->lastack = ackno; - - /* Update the congestion control variables (cwnd and - ssthresh). */ - if (pcb->state >= ESTABLISHED) { - if (pcb->cwnd < pcb->ssthresh) { - if ((u16_t)(pcb->cwnd + pcb->mss) > pcb->cwnd) { - pcb->cwnd += pcb->mss; - } - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: slow start cwnd %"U16_F"\n", pcb->cwnd)); - } else { - u16_t new_cwnd = (pcb->cwnd + pcb->mss * pcb->mss / pcb->cwnd); - if (new_cwnd > pcb->cwnd) { - pcb->cwnd = new_cwnd; - } - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_receive: congestion avoidance cwnd %"U16_F"\n", pcb->cwnd)); - } - } - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: ACK for %"U32_F", unacked->seqno %"U32_F":%"U32_F"\n", - ackno, - pcb->unacked != NULL? - ntohl(pcb->unacked->tcphdr->seqno): 0, - pcb->unacked != NULL? - ntohl(pcb->unacked->tcphdr->seqno) + TCP_TCPLEN(pcb->unacked): 0)); - - /* Remove segment from the unacknowledged list if the incoming - ACK acknowlegdes them. */ - while (pcb->unacked != NULL && - TCP_SEQ_LEQ(ntohl(pcb->unacked->tcphdr->seqno) + - TCP_TCPLEN(pcb->unacked), ackno)) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unacked\n", - ntohl(pcb->unacked->tcphdr->seqno), - ntohl(pcb->unacked->tcphdr->seqno) + - TCP_TCPLEN(pcb->unacked))); - - next = pcb->unacked; - pcb->unacked = pcb->unacked->next; - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen)); - LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p))); - /* Prevent ACK for FIN to generate a sent event */ - if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) { - pcb->acked--; - } - - pcb->snd_queuelen -= pbuf_clen(next->p); - tcp_seg_free(next); - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unacked)\n", (u16_t)pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_receive: valid queue length", pcb->unacked != NULL || - pcb->unsent != NULL); - } - } - - /* If there's nothing left to acknowledge, stop the retransmit - timer, otherwise reset it to start again */ - if(pcb->unacked == NULL) - pcb->rtime = -1; - else - pcb->rtime = 0; - - pcb->polltmr = 0; - } else { - /* Fix bug bug #21582: out of sequence ACK, didn't really ack anything */ - pcb->acked = 0; - } - - /* We go through the ->unsent list to see if any of the segments - on the list are acknowledged by the ACK. This may seem - strange since an "unsent" segment shouldn't be acked. The - rationale is that lwIP puts all outstanding segments on the - ->unsent list after a retransmission, so these segments may - in fact have been sent once. */ - while (pcb->unsent != NULL && - TCP_SEQ_BETWEEN(ackno, ntohl(pcb->unsent->tcphdr->seqno) + - TCP_TCPLEN(pcb->unsent), pcb->snd_nxt)) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: removing %"U32_F":%"U32_F" from pcb->unsent\n", - ntohl(pcb->unsent->tcphdr->seqno), ntohl(pcb->unsent->tcphdr->seqno) + - TCP_TCPLEN(pcb->unsent))); - - next = pcb->unsent; - pcb->unsent = pcb->unsent->next; - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_receive: queuelen %"U16_F" ... ", (u16_t)pcb->snd_queuelen)); - LWIP_ASSERT("pcb->snd_queuelen >= pbuf_clen(next->p)", (pcb->snd_queuelen >= pbuf_clen(next->p))); - /* Prevent ACK for FIN to generate a sent event */ - if ((pcb->acked != 0) && ((TCPH_FLAGS(next->tcphdr) & TCP_FIN) != 0)) { - pcb->acked--; - } - pcb->snd_queuelen -= pbuf_clen(next->p); - tcp_seg_free(next); - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("%"U16_F" (after freeing unsent)\n", (u16_t)pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_receive: valid queue length", - pcb->unacked != NULL || pcb->unsent != NULL); - } - } - /* End of ACK for new data processing. */ - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: pcb->rttest %"U32_F" rtseq %"U32_F" ackno %"U32_F"\n", - pcb->rttest, pcb->rtseq, ackno)); - - /* RTT estimation calculations. This is done by checking if the - incoming segment acknowledges the segment we use to take a - round-trip time measurement. */ - if (pcb->rttest && TCP_SEQ_LT(pcb->rtseq, ackno)) { - /* diff between this shouldn't exceed 32K since this are tcp timer ticks - and a round-trip shouldn't be that long... */ - m = (s16_t)(tcp_ticks - pcb->rttest); - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: experienced rtt %"U16_F" ticks (%"U16_F" msec).\n", - m, m * TCP_SLOW_INTERVAL)); - - /* This is taken directly from VJs original code in his paper */ - m = m - (pcb->sa >> 3); - pcb->sa += m; - if (m < 0) { - m = -m; - } - m = m - (pcb->sv >> 2); - pcb->sv += m; - pcb->rto = (pcb->sa >> 3) + pcb->sv; - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_receive: RTO %"U16_F" (%"U16_F" milliseconds)\n", - pcb->rto, pcb->rto * TCP_SLOW_INTERVAL)); - - pcb->rttest = 0; - } - } - - /* If the incoming segment contains data, we must process it - further. */ - if (tcplen > 0) { - /* This code basically does three things: - - +) If the incoming segment contains data that is the next - in-sequence data, this data is passed to the application. This - might involve trimming the first edge of the data. The rcv_nxt - variable and the advertised window are adjusted. - - +) If the incoming segment has data that is above the next - sequence number expected (->rcv_nxt), the segment is placed on - the ->ooseq queue. This is done by finding the appropriate - place in the ->ooseq queue (which is ordered by sequence - number) and trim the segment in both ends if needed. An - immediate ACK is sent to indicate that we received an - out-of-sequence segment. - - +) Finally, we check if the first segment on the ->ooseq queue - now is in sequence (i.e., if rcv_nxt >= ooseq->seqno). If - rcv_nxt > ooseq->seqno, we must trim the first edge of the - segment on ->ooseq before we adjust rcv_nxt. The data in the - segments that are now on sequence are chained onto the - incoming segment so that we only need to call the application - once. - */ - - /* First, we check if we must trim the first edge. We have to do - this if the sequence number of the incoming segment is less - than rcv_nxt, and the sequence number plus the length of the - segment is larger than rcv_nxt. */ - /* if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){ - if (TCP_SEQ_LT(pcb->rcv_nxt, seqno + tcplen)) {*/ - if (TCP_SEQ_BETWEEN(pcb->rcv_nxt, seqno + 1, seqno + tcplen - 1)){ - /* Trimming the first edge is done by pushing the payload - pointer in the pbuf downwards. This is somewhat tricky since - we do not want to discard the full contents of the pbuf up to - the new starting point of the data since we have to keep the - TCP header which is present in the first pbuf in the chain. - - What is done is really quite a nasty hack: the first pbuf in - the pbuf chain is pointed to by inseg.p. Since we need to be - able to deallocate the whole pbuf, we cannot change this - inseg.p pointer to point to any of the later pbufs in the - chain. Instead, we point the ->payload pointer in the first - pbuf to data in one of the later pbufs. We also set the - inseg.data pointer to point to the right place. This way, the - ->p pointer will still point to the first pbuf, but the - ->p->payload pointer will point to data in another pbuf. - - After we are done with adjusting the pbuf pointers we must - adjust the ->data pointer in the seg and the segment - length.*/ - - off = pcb->rcv_nxt - seqno; - p = inseg.p; - LWIP_ASSERT("inseg.p != NULL", inseg.p); - LWIP_ASSERT("insane offset!", (off < 0x7fff)); - if (inseg.p->len < off) { - LWIP_ASSERT("pbuf too short!", (((s32_t)inseg.p->tot_len) >= off)); - new_tot_len = (u16_t)(inseg.p->tot_len - off); - while (p->len < off) { - off -= p->len; - /* KJM following line changed (with addition of new_tot_len var) - to fix bug #9076 - inseg.p->tot_len -= p->len; */ - p->tot_len = new_tot_len; - p->len = 0; - p = p->next; - } - if(pbuf_header(p, (s16_t)-off)) { - /* Do we need to cope with this failing? Assert for now */ - LWIP_ASSERT("pbuf_header failed", 0); - } - } else { - if(pbuf_header(inseg.p, (s16_t)-off)) { - /* Do we need to cope with this failing? Assert for now */ - LWIP_ASSERT("pbuf_header failed", 0); - } - } - /* KJM following line changed to use p->payload rather than inseg->p->payload - to fix bug #9076 */ - inseg.dataptr = p->payload; - inseg.len -= (u16_t)(pcb->rcv_nxt - seqno); - inseg.tcphdr->seqno = seqno = pcb->rcv_nxt; - } - else { - if (TCP_SEQ_LT(seqno, pcb->rcv_nxt)){ - /* the whole segment is < rcv_nxt */ - /* must be a duplicate of a packet that has already been correctly handled */ - - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: duplicate seqno %"U32_F"\n", seqno)); - tcp_ack_now(pcb); - } - } - - /* The sequence number must be within the window (above rcv_nxt - and below rcv_nxt + rcv_wnd) in order to be further - processed. */ - if (TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, - pcb->rcv_nxt + pcb->rcv_wnd - 1)){ - if (pcb->rcv_nxt == seqno) { - /* The incoming segment is the next in sequence. We check if - we have to trim the end of the segment and update rcv_nxt - and pass the data to the application. */ - tcplen = TCP_TCPLEN(&inseg); - - if (tcplen > pcb->rcv_wnd) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, - ("tcp_receive: other end overran receive window" - "seqno %"U32_F" len %"U32_F" right edge %"U32_F"\n", - seqno, tcplen, pcb->rcv_nxt + pcb->rcv_wnd)); - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - /* Must remove the FIN from the header as we're trimming - * that byte of sequence-space from the packet */ - TCPH_FLAGS_SET(inseg.tcphdr, TCPH_FLAGS(inseg.tcphdr) &~ TCP_FIN); - } - /* Adjust length of segment to fit in the window. */ - inseg.len = pcb->rcv_wnd; - if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) { - inseg.len -= 1; - } - pbuf_realloc(inseg.p, inseg.len); - tcplen = TCP_TCPLEN(&inseg); - LWIP_ASSERT("tcp_receive: segment not trimmed correctly to rcv_wnd\n", - (seqno + tcplen) == (pcb->rcv_nxt + pcb->rcv_wnd)); - } -#if TCP_QUEUE_OOSEQ - if (pcb->ooseq != NULL) { - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, - ("tcp_receive: received in-order FIN, binning ooseq queue\n")); - /* Received in-order FIN means anything that was received - * out of order must now have been received in-order, so - * bin the ooseq queue - * rcv_nxt - * . |--ooseq--| - * .==seg============|FIN - */ - while (pcb->ooseq != NULL) { - struct tcp_seg *old_ooseq = pcb->ooseq; - pcb->ooseq = pcb->ooseq->next; - tcp_seg_free(old_ooseq); - } - } - else { - struct tcp_seg* next = pcb->ooseq; - struct tcp_seg *old_seg; - /* rcv_nxt - * . |--ooseq--| - * .==seg============| - */ - while (next && - TCP_SEQ_GEQ(seqno + tcplen, - next->tcphdr->seqno + next->len)) { - /* inseg doesn't have FIN (already processed) */ - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN && - (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) == 0) { - TCPH_FLAGS_SET(inseg.tcphdr, - TCPH_FLAGS(inseg.tcphdr) | TCP_FIN); - tcplen = TCP_TCPLEN(&inseg); - } - old_seg = next; - next = next->next; - tcp_seg_free(old_seg); - } - /* rcv_nxt - * . |--ooseq--| - * .==seg============| - */ - if (next && - TCP_SEQ_GT(seqno + tcplen, - next->tcphdr->seqno)) { - /* FIN in inseg already handled by dropping whole ooseq queue */ - inseg.len = (u16_t)(pcb->ooseq->tcphdr->seqno - seqno); - if (TCPH_FLAGS(inseg.tcphdr) & TCP_SYN) { - inseg.len -= 1; - } - pbuf_realloc(inseg.p, inseg.len); - tcplen = TCP_TCPLEN(&inseg); - LWIP_ASSERT("tcp_receive: segment not trimmed correctly to ooseq queue\n", - (seqno + tcplen) == pcb->ooseq->tcphdr->seqno); - } - pcb->ooseq = next; - } - } -#endif /* TCP_QUEUE_OOSEQ */ - - pcb->rcv_nxt = seqno + tcplen; - - /* Update the receiver's (our) window. */ - LWIP_ASSERT("tcp_receive: tcplen > rcv_wnd\n", pcb->rcv_wnd >= tcplen); - pcb->rcv_wnd -= tcplen; - - tcp_update_rcv_ann_wnd(pcb); - - /* If there is data in the segment, we make preparations to - pass this up to the application. The ->recv_data variable - is used for holding the pbuf that goes to the - application. The code for reassembling out-of-sequence data - chains its data on this pbuf as well. - - If the segment was a FIN, we set the TF_GOT_FIN flag that will - be used to indicate to the application that the remote side has - closed its end of the connection. */ - if (inseg.p->tot_len > 0) { - recv_data = inseg.p; - /* Since this pbuf now is the responsibility of the - application, we delete our reference to it so that we won't - (mistakingly) deallocate it. */ - inseg.p = NULL; - } - if (TCPH_FLAGS(inseg.tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: received FIN.\n")); - recv_flags |= TF_GOT_FIN; - } - -#if TCP_QUEUE_OOSEQ - /* We now check if we have segments on the ->ooseq queue that - is now in sequence. */ - while (pcb->ooseq != NULL && - pcb->ooseq->tcphdr->seqno == pcb->rcv_nxt) { - - cseg = pcb->ooseq; - seqno = pcb->ooseq->tcphdr->seqno; - - pcb->rcv_nxt += TCP_TCPLEN(cseg); - LWIP_ASSERT("tcp_receive: ooseq tcplen > rcv_wnd\n", - pcb->rcv_wnd >= TCP_TCPLEN(cseg)); - pcb->rcv_wnd -= TCP_TCPLEN(cseg); - - tcp_update_rcv_ann_wnd(pcb); - - if (cseg->p->tot_len > 0) { - /* Chain this pbuf onto the pbuf that we will pass to - the application. */ - if (recv_data) { - pbuf_cat(recv_data, cseg->p); - } else { - recv_data = cseg->p; - } - cseg->p = NULL; - } - if (TCPH_FLAGS(cseg->tcphdr) & TCP_FIN) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_receive: dequeued FIN.\n")); - recv_flags |= TF_GOT_FIN; - if (pcb->state == ESTABLISHED) { /* force passive close or we can move to active close */ - pcb->state = CLOSE_WAIT; - } - } - - pcb->ooseq = cseg->next; - tcp_seg_free(cseg); - } -#endif /* TCP_QUEUE_OOSEQ */ - - - /* Acknowledge the segment(s). */ - tcp_ack(pcb); - - } else { - /* We get here if the incoming segment is out-of-sequence. */ - tcp_send_empty_ack(pcb); -#if TCP_QUEUE_OOSEQ - /* We queue the segment on the ->ooseq queue. */ - if (pcb->ooseq == NULL) { - pcb->ooseq = tcp_seg_copy(&inseg); - } else { - /* If the queue is not empty, we walk through the queue and - try to find a place where the sequence number of the - incoming segment is between the sequence numbers of the - previous and the next segment on the ->ooseq queue. That is - the place where we put the incoming segment. If needed, we - trim the second edges of the previous and the incoming - segment so that it will fit into the sequence. - - If the incoming segment has the same sequence number as a - segment on the ->ooseq queue, we discard the segment that - contains less data. */ - - prev = NULL; - for(next = pcb->ooseq; next != NULL; next = next->next) { - if (seqno == next->tcphdr->seqno) { - /* The sequence number of the incoming segment is the - same as the sequence number of the segment on - ->ooseq. We check the lengths to see which one to - discard. */ - if (inseg.len > next->len) { - /* The incoming segment is larger than the old - segment. We replace some segments with the new - one. */ - cseg = tcp_seg_copy(&inseg); - if (cseg != NULL) { - if (prev != NULL) { - prev->next = cseg; - } else { - pcb->ooseq = cseg; - } - tcp_oos_insert_segment(cseg, next); - } - break; - } else { - /* Either the lenghts are the same or the incoming - segment was smaller than the old one; in either - case, we ditch the incoming segment. */ - break; - } - } else { - if (prev == NULL) { - if (TCP_SEQ_LT(seqno, next->tcphdr->seqno)) { - /* The sequence number of the incoming segment is lower - than the sequence number of the first segment on the - queue. We put the incoming segment first on the - queue. */ - cseg = tcp_seg_copy(&inseg); - if (cseg != NULL) { - pcb->ooseq = cseg; - tcp_oos_insert_segment(cseg, next); - } - break; - } - } else { - /*if (TCP_SEQ_LT(prev->tcphdr->seqno, seqno) && - TCP_SEQ_LT(seqno, next->tcphdr->seqno)) {*/ - if (TCP_SEQ_BETWEEN(seqno, prev->tcphdr->seqno+1, next->tcphdr->seqno-1)) { - /* The sequence number of the incoming segment is in - between the sequence numbers of the previous and - the next segment on ->ooseq. We trim trim the previous - segment, delete next segments that included in received segment - and trim received, if needed. */ - cseg = tcp_seg_copy(&inseg); - if (cseg != NULL) { - if (TCP_SEQ_GT(prev->tcphdr->seqno + prev->len, seqno)) { - /* We need to trim the prev segment. */ - prev->len = (u16_t)(seqno - prev->tcphdr->seqno); - pbuf_realloc(prev->p, prev->len); - } - prev->next = cseg; - tcp_oos_insert_segment(cseg, next); - } - break; - } - } - /* If the "next" segment is the last segment on the - ooseq queue, we add the incoming segment to the end - of the list. */ - if (next->next == NULL && - TCP_SEQ_GT(seqno, next->tcphdr->seqno)) { - if (TCPH_FLAGS(next->tcphdr) & TCP_FIN) { - /* segment "next" already contains all data */ - break; - } - next->next = tcp_seg_copy(&inseg); - if (next->next != NULL) { - if (TCP_SEQ_GT(next->tcphdr->seqno + next->len, seqno)) { - /* We need to trim the last segment. */ - next->len = (u16_t)(seqno - next->tcphdr->seqno); - pbuf_realloc(next->p, next->len); - } - } - break; - } - } - prev = next; - } - } -#endif /* TCP_QUEUE_OOSEQ */ - - } - } else { - /* The incoming segment is not withing the window. */ - tcp_send_empty_ack(pcb); - } - } else { - /* Segments with length 0 is taken care of here. Segments that - fall out of the window are ACKed. */ - /*if (TCP_SEQ_GT(pcb->rcv_nxt, seqno) || - TCP_SEQ_GEQ(seqno, pcb->rcv_nxt + pcb->rcv_wnd)) {*/ - if(!TCP_SEQ_BETWEEN(seqno, pcb->rcv_nxt, pcb->rcv_nxt + pcb->rcv_wnd-1)){ - tcp_ack_now(pcb); - } - } -} - -/** - * Parses the options contained in the incoming segment. - * - * Called from tcp_listen_input() and tcp_process(). - * Currently, only the MSS option is supported! - * - * @param pcb the tcp_pcb for which a segment arrived - */ -static void -tcp_parseopt(struct tcp_pcb *pcb) -{ - u16_t c, max_c; - u16_t mss; - u8_t *opts, opt; -#if LWIP_TCP_TIMESTAMPS - u32_t tsval; -#endif - - opts = (u8_t *)tcphdr + TCP_HLEN; - - /* Parse the TCP MSS option, if present. */ - if(TCPH_HDRLEN(tcphdr) > 0x5) { - max_c = (TCPH_HDRLEN(tcphdr) - 5) << 2; - for (c = 0; c < max_c; ) { - opt = opts[c]; - switch (opt) { - case 0x00: - /* End of options. */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: EOL\n")); - return; - case 0x01: - /* NOP option. */ - ++c; - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: NOP\n")); - break; - case 0x02: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: MSS\n")); - if (opts[c + 1] != 0x04 || c + 0x04 > max_c) { - /* Bad length */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - return; - } - /* An MSS option with the right option length. */ - mss = (opts[c + 2] << 8) | opts[c + 3]; - /* Limit the mss to the configured TCP_MSS and prevent division by zero */ - pcb->mss = ((mss > TCP_MSS) || (mss == 0)) ? TCP_MSS : mss; - /* Advance to next option */ - c += 0x04; - break; -#if LWIP_TCP_TIMESTAMPS - case 0x08: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: TS\n")); - if (opts[c + 1] != 0x0A || c + 0x0A > max_c) { - /* Bad length */ - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - return; - } - /* TCP timestamp option with valid length */ - tsval = (opts[c+2]) | (opts[c+3] << 8) | - (opts[c+4] << 16) | (opts[c+5] << 24); - if (flags & TCP_SYN) { - pcb->ts_recent = ntohl(tsval); - pcb->flags |= TF_TIMESTAMP; - } else if (TCP_SEQ_BETWEEN(pcb->ts_lastacksent, seqno, seqno+tcplen)) { - pcb->ts_recent = ntohl(tsval); - } - /* Advance to next option */ - c += 0x0A; - break; -#endif - default: - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: other\n")); - if (opts[c + 1] == 0) { - LWIP_DEBUGF(TCP_INPUT_DEBUG, ("tcp_parseopt: bad length\n")); - /* If the length field is zero, the options are malformed - and we don't process them further. */ - return; - } - /* All other options have a length field, so that we easily - can skip past them. */ - c += opts[c + 1]; - } - } - } -} - -#endif /* LWIP_TCP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_out.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_out.c deleted file mode 100644 index 9605beb..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/tcp_out.c +++ /dev/null @@ -1,1071 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Transmission Control Protocol, outgoing traffic - * - * The output functions of TCP. - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/tcp.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/memp.h" -#include "lwip/sys.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" - -#include <string.h> -#define _TEST_HD_ -/* Forward declarations.*/ -static void tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb); - -static struct tcp_hdr * -tcp_output_set_header(struct tcp_pcb *pcb, struct pbuf *p, int optlen, - u32_t seqno_be /* already in network byte order */) -{ - struct tcp_hdr *tcphdr = p->payload; - tcphdr->src = htons(pcb->local_port); - tcphdr->dest = htons(pcb->remote_port); - tcphdr->seqno = seqno_be; - tcphdr->ackno = htonl(pcb->rcv_nxt); - TCPH_FLAGS_SET(tcphdr, TCP_ACK); - tcphdr->wnd = htons(pcb->rcv_ann_wnd); - tcphdr->urgp = 0; - TCPH_HDRLEN_SET(tcphdr, (5 + optlen / 4)); - tcphdr->chksum = 0; - - /* If we're sending a packet, update the announced right window edge */ - pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd; - - return tcphdr; -} - -/** - * Called by tcp_close() to send a segment including flags but not data. - * - * @param pcb the tcp_pcb over which to send a segment - * @param flags the flags to set in the segment header - * @return ERR_OK if sent, another err_t otherwise - */ -err_t -tcp_send_ctrl(struct tcp_pcb *pcb, u8_t flags) -{ - /* no data, no length, flags, copy=1, no optdata */ - return tcp_enqueue(pcb, NULL, 0, flags, TCP_WRITE_FLAG_COPY, 0); -} - -/** - * Write data for sending (but does not send it immediately). - * - * It waits in the expectation of more data being sent soon (as - * it can send them more efficiently by combining them together). - * To prompt the system to send data now, call tcp_output() after - * calling tcp_write(). - * - * @param pcb Protocol control block of the TCP connection to enqueue data for. - * @param data pointer to the data to send - * @param len length (in bytes) of the data to send - * @param apiflags combination of following flags : - * - TCP_WRITE_FLAG_COPY (0x01) data will be copied into memory belonging to the stack - * - TCP_WRITE_FLAG_MORE (0x02) for TCP connection, PSH flag will be set on last segment sent, - * @return ERR_OK if enqueued, another err_t on error - * - * @see tcp_write() - */ -err_t -tcp_write(struct tcp_pcb *pcb, const void *data, u16_t len, u8_t apiflags) -{ - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_write(pcb=%p, data=%p, len=%"U16_F", apiflags=%"U16_F")\n", (void *)pcb, - data, len, (u16_t)apiflags)); - /* connection is in valid state for data transmission? */ - if (pcb->state == ESTABLISHED || - pcb->state == CLOSE_WAIT || - pcb->state == SYN_SENT || - pcb->state == SYN_RCVD) { - if (len > 0) { -#if LWIP_TCP_TIMESTAMPS - return tcp_enqueue(pcb, (void *)data, len, 0, apiflags, - pcb->flags & TF_TIMESTAMP ? TF_SEG_OPTS_TS : 0); -#else - return tcp_enqueue(pcb, (void *)data, len, 0, apiflags, 0); -#endif - } - return ERR_OK; - } else { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_STATE | LWIP_DBG_LEVEL_SEVERE, ("tcp_write() called in invalid state\n")); - return ERR_CONN; - } -} - -/** - * Enqueue data and/or TCP options for transmission - * - * Called by tcp_connect(), tcp_listen_input(), tcp_send_ctrl() and tcp_write(). - * - * @param pcb Protocol control block for the TCP connection to enqueue data for. - * @param arg Pointer to the data to be enqueued for sending. - * @param len Data length in bytes - * @param flags tcp header flags to set in the outgoing segment - * @param apiflags combination of following flags : - * - TCP_WRITE_FLAG_COPY (0x01) data will be copied into memory belonging to the stack - * - TCP_WRITE_FLAG_MORE (0x02) for TCP connection, PSH flag will be set on last segment sent, - * @param optflags options to include in segment later on (see definition of struct tcp_seg) - */ -err_t -tcp_enqueue(struct tcp_pcb *pcb, void *arg, u16_t len, - u8_t flags, u8_t apiflags, u8_t optflags) -{ - struct pbuf *p; - struct tcp_seg *seg, *useg, *queue; - u32_t seqno; - u16_t left, seglen; - void *ptr; - u16_t queuelen; - u8_t optlen; - - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, - ("tcp_enqueue(pcb=%p, arg=%p, len=%"U16_F", flags=%"X16_F", apiflags=%"U16_F")\n", - (void *)pcb, arg, len, (u16_t)flags, (u16_t)apiflags)); - LWIP_ERROR("tcp_enqueue: packet needs payload, options, or SYN/FIN (programmer violates API)", - ((len != 0) || (optflags != 0) || ((flags & (TCP_SYN | TCP_FIN)) != 0)), - return ERR_ARG;); - LWIP_ERROR("tcp_enqueue: len != 0 || arg == NULL (programmer violates API)", - ((len != 0) || (arg == NULL)), return ERR_ARG;); - - /* fail on too much data */ - if (len > pcb->snd_buf) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_WARNING, - ("tcp_enqueue: too much data (len=%"U16_F" > snd_buf=%"U16_F")\n", len, pcb->snd_buf)); - pcb->flags |= TF_NAGLEMEMERR; - return ERR_MEM; - } - left = len; - ptr = arg; - - optlen = LWIP_TCP_OPT_LENGTH(optflags); - - /* seqno will be the sequence number of the first segment enqueued - * by the call to this function. */ - seqno = pcb->snd_lbb; - - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue: queuelen: %"U16_F"\n", (u16_t)pcb->snd_queuelen)); - - /* If total number of pbufs on the unsent/unacked queues exceeds the - * configured maximum, return an error */ - queuelen = pcb->snd_queuelen; - /* check for configured max queuelen and possible overflow */ - if ((queuelen >= TCP_SND_QUEUELEN) || (queuelen > TCP_SNDQUEUELEN_OVERFLOW)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_WARNING, - ("tcp_enqueue: too long queue %"U16_F" (max %"U16_F")\n", queuelen, TCP_SND_QUEUELEN)); - TCP_STATS_INC(tcp.memerr); - pcb->flags |= TF_NAGLEMEMERR; - return ERR_MEM; - } - if (queuelen != 0) { - LWIP_ASSERT("tcp_enqueue: pbufs on queue => at least one queue non-empty", - pcb->unacked != NULL || pcb->unsent != NULL); - } else { - LWIP_ASSERT("tcp_enqueue: no pbufs on queue => both queues empty", - pcb->unacked == NULL && pcb->unsent == NULL); - } - - /* First, break up the data into segments and tuck them together in - * the local "queue" variable. */ - useg = queue = seg = NULL; - seglen = 0; - while (queue == NULL || left > 0) { - /* The segment length (including options) should be at most the MSS */ - seglen = left > (pcb->mss - optlen) ? (pcb->mss - optlen) : left; - - /* Allocate memory for tcp_seg, and fill in fields. */ - seg = memp_malloc(MEMP_TCP_SEG); - if (seg == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("tcp_enqueue: could not allocate memory for tcp_seg\n")); - goto memerr; - } - seg->next = NULL; - seg->p = NULL; - - /* first segment of to-be-queued data? */ - if (queue == NULL) { - queue = seg; - } - /* subsequent segments of to-be-queued data */ - else { - /* Attach the segment to the end of the queued segments */ - LWIP_ASSERT("useg != NULL", useg != NULL); - useg->next = seg; - } - /* remember last segment of to-be-queued data for next iteration */ - useg = seg; - - /* If copy is set, memory should be allocated - * and data copied into pbuf, otherwise data comes from - * ROM or other static memory, and need not be copied. */ - if (apiflags & TCP_WRITE_FLAG_COPY) { - if ((seg->p = pbuf_alloc(PBUF_TRANSPORT, seglen + optlen, PBUF_RAM)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("tcp_enqueue : could not allocate memory for pbuf copy size %"U16_F"\n", seglen)); - goto memerr; - } - LWIP_ASSERT("check that first pbuf can hold the complete seglen", - (seg->p->len >= seglen + optlen)); - queuelen += pbuf_clen(seg->p); - if (arg != NULL) { - MEMCPY((char *)seg->p->payload + optlen, ptr, seglen); - } - seg->dataptr = seg->p->payload; - } - /* do not copy data */ - else { - /* First, allocate a pbuf for the headers. */ - if ((seg->p = pbuf_alloc(PBUF_TRANSPORT, optlen, PBUF_RAM)) == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("tcp_enqueue: could not allocate memory for header pbuf\n")); - goto memerr; - } - queuelen += pbuf_clen(seg->p); - - /* Second, allocate a pbuf for holding the data. - * since the referenced data is available at least until it is sent out on the - * link (as it has to be ACKed by the remote party) we can safely use PBUF_ROM - * instead of PBUF_REF here. - */ - if (left > 0) { - if ((p = pbuf_alloc(PBUF_RAW, seglen, PBUF_ROM)) == NULL) { - /* If allocation fails, we have to deallocate the header pbuf as well. */ - pbuf_free(seg->p); - seg->p = NULL; - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("tcp_enqueue: could not allocate memory for zero-copy pbuf\n")); - goto memerr; - } - ++queuelen; - /* reference the non-volatile payload data */ - p->payload = ptr; - seg->dataptr = ptr; - - /* Concatenate the headers and data pbufs together. */ - pbuf_cat(seg->p/*header*/, p/*data*/); - p = NULL; - } - } - - /* Now that there are more segments queued, we check again if the - length of the queue exceeds the configured maximum or overflows. */ - if ((queuelen > TCP_SND_QUEUELEN) || (queuelen > TCP_SNDQUEUELEN_OVERFLOW)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("tcp_enqueue: queue too long %"U16_F" (%"U16_F")\n", queuelen, TCP_SND_QUEUELEN)); - goto memerr; - } - - seg->len = seglen; - - /* build TCP header */ - if (pbuf_header(seg->p, TCP_HLEN)) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("tcp_enqueue: no room for TCP header in pbuf.\n")); - TCP_STATS_INC(tcp.err); - goto memerr; - } - seg->tcphdr = seg->p->payload; - seg->tcphdr->src = htons(pcb->local_port); - seg->tcphdr->dest = htons(pcb->remote_port); - seg->tcphdr->seqno = htonl(seqno); - seg->tcphdr->urgp = 0; - TCPH_FLAGS_SET(seg->tcphdr, flags); - /* don't fill in tcphdr->ackno and tcphdr->wnd until later */ - - seg->flags = optflags; - - /* Set the length of the header */ - TCPH_HDRLEN_SET(seg->tcphdr, (5 + optlen / 4)); - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE, ("tcp_enqueue: queueing %"U32_F":%"U32_F" (0x%"X16_F")\n", - ntohl(seg->tcphdr->seqno), - ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg), - (u16_t)flags)); - - left -= seglen; - seqno += seglen; - ptr = (void *)((u8_t *)ptr + seglen); - } - - /* Now that the data to be enqueued has been broken up into TCP - segments in the queue variable, we add them to the end of the - pcb->unsent queue. */ - if (pcb->unsent == NULL) { - useg = NULL; - } - else { - for (useg = pcb->unsent; useg->next != NULL; useg = useg->next); - } - /* { useg is last segment on the unsent queue, NULL if list is empty } */ - - /* If there is room in the last pbuf on the unsent queue, - chain the first pbuf on the queue together with that. */ - if (useg != NULL && - TCP_TCPLEN(useg) != 0 && - !(TCPH_FLAGS(useg->tcphdr) & (TCP_SYN | TCP_FIN)) && - (!(flags & (TCP_SYN | TCP_FIN)) || (flags == TCP_FIN)) && - /* fit within max seg size */ - (useg->len + queue->len <= pcb->mss) && - /* only concatenate segments with the same options */ - (useg->flags == queue->flags) && - /* segments are consecutive */ - (ntohl(useg->tcphdr->seqno) + useg->len == ntohl(queue->tcphdr->seqno)) ) { - /* Remove TCP header from first segment of our to-be-queued list */ - if(pbuf_header(queue->p, -(TCP_HLEN + optlen))) { - /* Can we cope with this failing? Just assert for now */ - LWIP_ASSERT("pbuf_header failed\n", 0); - TCP_STATS_INC(tcp.err); - goto memerr; - } - if (queue->p->len == 0) { - /* free the first (header-only) pbuf if it is now empty (contained only headers) */ - struct pbuf *old_q = queue->p; - queue->p = queue->p->next; - old_q->next = NULL; - queuelen--; - pbuf_free(old_q); - } - if (flags & TCP_FIN) { - /* the new segment contains only FIN, no data -> put the FIN into the last segment */ - LWIP_ASSERT("FIN enqueued together with data", queue->p == NULL && queue->len == 0); - TCPH_SET_FLAG(useg->tcphdr, TCP_FIN); - } else { - LWIP_ASSERT("zero-length pbuf", (queue->p != NULL) && (queue->p->len > 0)); - pbuf_cat(useg->p, queue->p); - useg->len += queue->len; - useg->next = queue->next; - } - - LWIP_DEBUGF(TCP_OUTPUT_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("tcp_enqueue: chaining segments, new len %"U16_F"\n", useg->len)); - if (seg == queue) { - seg = useg; - seglen = useg->len; - } - memp_free(MEMP_TCP_SEG, queue); - } - else { - /* empty list */ - if (useg == NULL) { - /* initialize list with this segment */ - pcb->unsent = queue; - } - /* enqueue segment */ - else { - useg->next = queue; - } - } - if ((flags & TCP_SYN) || (flags & TCP_FIN)) { - ++len; - } - if (flags & TCP_FIN) { - pcb->flags |= TF_FIN; - } - pcb->snd_lbb += len; - - pcb->snd_buf -= len; - - /* update number of segments on the queues */ - pcb->snd_queuelen = queuelen; - LWIP_DEBUGF(TCP_QLEN_DEBUG, ("tcp_enqueue: %"S16_F" (after enqueued)\n", pcb->snd_queuelen)); - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_enqueue: valid queue length", - pcb->unacked != NULL || pcb->unsent != NULL); - } - - /* Set the PSH flag in the last segment that we enqueued, but only - if the segment has data (indicated by seglen > 0). */ - if (seg != NULL && seglen > 0 && seg->tcphdr != NULL && ((apiflags & TCP_WRITE_FLAG_MORE)==0)) { - TCPH_SET_FLAG(seg->tcphdr, TCP_PSH); - } - - return ERR_OK; -memerr: - pcb->flags |= TF_NAGLEMEMERR; - TCP_STATS_INC(tcp.memerr); - - if (queue != NULL) { - tcp_segs_free(queue); - } - if (pcb->snd_queuelen != 0) { - LWIP_ASSERT("tcp_enqueue: valid queue length", pcb->unacked != NULL || - pcb->unsent != NULL); - } - LWIP_DEBUGF(TCP_QLEN_DEBUG | LWIP_DBG_STATE, ("tcp_enqueue: %"S16_F" (with mem err)\n", pcb->snd_queuelen)); - return ERR_MEM; -} - - -#if LWIP_TCP_TIMESTAMPS -/* Build a timestamp option (12 bytes long) at the specified options pointer) - * - * @param pcb tcp_pcb - * @param opts option pointer where to store the timestamp option - */ -static void -tcp_build_timestamp_option(struct tcp_pcb *pcb, u32_t *opts) -{ - /* Pad with two NOP options to make everything nicely aligned */ - opts[0] = htonl(0x0101080A); - opts[1] = htonl(sys_now()); - opts[2] = htonl(pcb->ts_recent); -} -#endif - -/** Send an ACK without data. - * - * @param pcb Protocol control block for the TCP connection to send the ACK - */ -err_t -tcp_send_empty_ack(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - u8_t optlen = 0; - -#if LWIP_TCP_TIMESTAMPS - if (pcb->flags & TF_TIMESTAMP) { - optlen = LWIP_TCP_OPT_LENGTH(TF_SEG_OPTS_TS); - } -#endif - p = pbuf_alloc(PBUF_IP, TCP_HLEN + optlen, PBUF_RAM); - if (p == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: (ACK) could not allocate pbuf\n")); - return ERR_BUF; - } - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, - ("tcp_output: sending ACK for %"U32_F"\n", pcb->rcv_nxt)); - /* remove ACK flags from the PCB, as we send an empty ACK now */ - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW); - - tcphdr = tcp_output_set_header(pcb, p, optlen, htonl(pcb->snd_nxt)); - - /* NB. MSS option is only sent on SYNs, so ignore it here */ -#if LWIP_TCP_TIMESTAMPS - pcb->ts_lastacksent = pcb->rcv_nxt; - - if (pcb->flags & TF_TIMESTAMP) { - tcp_build_timestamp_option(pcb, (u32_t *)(tcphdr + 1)); - } -#endif - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &(pcb->local_ip), &(pcb->remote_ip), - IP_PROTO_TCP, p->tot_len); -#endif -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP, &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - pbuf_free(p); - - return ERR_OK; -} - -/** - * Find out what we can send and send it - * - * @param pcb Protocol control block for the TCP connection to send data - * @return ERR_OK if data has been sent or nothing to send - * another err_t on error - */ -err_t -tcp_output(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg, *useg; - u32_t wnd, snd_nxt; -#if TCP_CWND_DEBUG - s16_t i = 0; -#endif /* TCP_CWND_DEBUG */ - - /* First, check if we are invoked by the TCP input processing - code. If so, we do not output anything. Instead, we rely on the - input processing code to call us when input processing is done - with. */ - if (tcp_input_pcb == pcb) { - return ERR_OK; - } - - wnd = LWIP_MIN(pcb->snd_wnd, pcb->cwnd); - - seg = pcb->unsent; - - /* If the TF_ACK_NOW flag is set and no data will be sent (either - * because the ->unsent queue is empty or because the window does - * not allow it), construct an empty ACK segment and send it. - * - * If data is to be sent, we will just piggyback the ACK (see below). - */ - if (pcb->flags & TF_ACK_NOW && - (seg == NULL || - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > wnd)) { - return tcp_send_empty_ack(pcb); - } - - /* useg should point to last segment on unacked queue */ - useg = pcb->unacked; - if (useg != NULL) { - for (; useg->next != NULL; useg = useg->next); - } - -#if TCP_OUTPUT_DEBUG - if (seg == NULL) { - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output: nothing to send (%p)\n", - (void*)pcb->unsent)); - } -#endif /* TCP_OUTPUT_DEBUG */ -#if TCP_CWND_DEBUG - if (seg == NULL) { - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F - ", cwnd %"U16_F", wnd %"U32_F - ", seg == NULL, ack %"U32_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, pcb->lastack)); - } else { - LWIP_DEBUGF(TCP_CWND_DEBUG, - ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F - ", effwnd %"U32_F", seq %"U32_F", ack %"U32_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len, - ntohl(seg->tcphdr->seqno), pcb->lastack)); - } -#endif /* TCP_CWND_DEBUG */ - /* data available and window allows it to be sent? */ - while (seg != NULL && - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len <= wnd) { - LWIP_ASSERT("RST not expected here!", - (TCPH_FLAGS(seg->tcphdr) & TCP_RST) == 0); - /* Stop sending if the nagle algorithm would prevent it - * Don't stop: - * - if tcp_enqueue had a memory error before (prevent delayed ACK timeout) or - * - if FIN was already enqueued for this PCB (SYN is always alone in a segment - - * either seg->next != NULL or pcb->unacked == NULL; - * RST is no sent using tcp_enqueue/tcp_output. - */ - if((tcp_do_output_nagle(pcb) == 0) && - ((pcb->flags & (TF_NAGLEMEMERR | TF_FIN)) == 0)){ - break; - } -#if TCP_CWND_DEBUG - LWIP_DEBUGF(TCP_CWND_DEBUG, ("tcp_output: snd_wnd %"U16_F", cwnd %"U16_F", wnd %"U32_F", effwnd %"U32_F", seq %"U32_F", ack %"U32_F", i %"S16_F"\n", - pcb->snd_wnd, pcb->cwnd, wnd, - ntohl(seg->tcphdr->seqno) + seg->len - - pcb->lastack, - ntohl(seg->tcphdr->seqno), pcb->lastack, i)); - ++i; -#endif /* TCP_CWND_DEBUG */ - - pcb->unsent = seg->next; - - if (pcb->state != SYN_SENT) { - TCPH_SET_FLAG(seg->tcphdr, TCP_ACK); - pcb->flags &= ~(TF_ACK_DELAY | TF_ACK_NOW); - } - - tcp_output_segment(seg, pcb); - snd_nxt = ntohl(seg->tcphdr->seqno) + TCP_TCPLEN(seg); - if (TCP_SEQ_LT(pcb->snd_nxt, snd_nxt)) { - pcb->snd_nxt = snd_nxt; - } - /* put segment on unacknowledged list if length > 0 */ - if (TCP_TCPLEN(seg) > 0) { - seg->next = NULL; - /* unacked list is empty? */ - if (pcb->unacked == NULL) { - pcb->unacked = seg; - useg = seg; - /* unacked list is not empty? */ - } else { - /* In the case of fast retransmit, the packet should not go to the tail - * of the unacked queue, but rather somewhere before it. We need to check for - * this case. -STJ Jul 27, 2004 */ - if (TCP_SEQ_LT(ntohl(seg->tcphdr->seqno), ntohl(useg->tcphdr->seqno))){ - /* add segment to before tail of unacked list, keeping the list sorted */ - struct tcp_seg **cur_seg = &(pcb->unacked); - while (*cur_seg && - TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) { - cur_seg = &((*cur_seg)->next ); - } - seg->next = (*cur_seg); - (*cur_seg) = seg; - } else { - /* add segment to tail of unacked list */ - useg->next = seg; - useg = useg->next; - } - } - /* do not queue empty segments on the unacked list */ - } else { - tcp_seg_free(seg); - } - seg = pcb->unsent; - } - - if (seg != NULL && pcb->persist_backoff == 0 && - ntohl(seg->tcphdr->seqno) - pcb->lastack + seg->len > pcb->snd_wnd) { - /* prepare for persist timer */ - pcb->persist_cnt = 0; - pcb->persist_backoff = 1; - } - - pcb->flags &= ~TF_NAGLEMEMERR; - return ERR_OK; -} - -/** - * Called by tcp_output() to actually send a TCP segment over IP. - * - * @param seg the tcp_seg to send - * @param pcb the tcp_pcb for the TCP connection used to send the segment - */ -static void -tcp_output_segment(struct tcp_seg *seg, struct tcp_pcb *pcb) -{ - u16_t len; - struct netif *netif; - u32_t *opts; - - /** @bug Exclude retransmitted segments from this count. */ - snmp_inc_tcpoutsegs(); - - /* The TCP header has already been constructed, but the ackno and - wnd fields remain. */ - seg->tcphdr->ackno = htonl(pcb->rcv_nxt); - - /* advertise our receive window size in this TCP segment */ - seg->tcphdr->wnd = htons(pcb->rcv_ann_wnd); - - pcb->rcv_ann_right_edge = pcb->rcv_nxt + pcb->rcv_ann_wnd; - - /* Add any requested options. NB MSS option is only set on SYN - packets, so ignore it here */ - opts = (u32_t *)(seg->tcphdr + 1); - if (seg->flags & TF_SEG_OPTS_MSS) { - TCP_BUILD_MSS_OPTION(*opts); - opts += 1; - } -#if LWIP_TCP_TIMESTAMPS - pcb->ts_lastacksent = pcb->rcv_nxt; - - if (seg->flags & TF_SEG_OPTS_TS) { - tcp_build_timestamp_option(pcb, opts); - opts += 3; - } -#endif - -#ifdef _TEST_HD_ - /* ANGR: set rtime this _before_ checking ip_route(). Otherwise TCP_SYN will - * not be retransmitted in case the interface was down and tcp_connect() - * will not return any error. Since we still want the err_cb() (or maybe - * the wifi link comes up), make sure that we fulfill the retransmissions in - * tcp_slowtmr() - */ - - /* Set retransmission timer running if it is not currently enabled */ - if(pcb->rtime == -1) - pcb->rtime = 0; -#endif - - /* If we don't have a local IP address, we get one by - calling ip_route(). */ - if (ip_addr_isany(&(pcb->local_ip))) { - netif = ip_route(&(pcb->remote_ip)); - if (netif == NULL) { - return; - } - ip_addr_set(&(pcb->local_ip), &(netif->ip_addr)); - } - -#ifndef _TEST_HD_ - //Set retransmission timer running if it is not currently enabled - if(pcb->rtime == -1) - pcb->rtime = 0; -#endif - - if (pcb->rttest == 0) { - pcb->rttest = tcp_ticks; - pcb->rtseq = ntohl(seg->tcphdr->seqno); - - LWIP_DEBUGF(TCP_RTO_DEBUG, ("tcp_output_segment: rtseq %"U32_F"\n", pcb->rtseq)); - } - LWIP_DEBUGF(TCP_OUTPUT_DEBUG, ("tcp_output_segment: %"U32_F":%"U32_F"\n", - htonl(seg->tcphdr->seqno), htonl(seg->tcphdr->seqno) + - seg->len)); - - len = (u16_t)((u8_t *)seg->tcphdr - (u8_t *)seg->p->payload); - - seg->p->len -= len; - seg->p->tot_len -= len; - - seg->p->payload = seg->tcphdr; - - seg->tcphdr->chksum = 0; -#if CHECKSUM_GEN_TCP - seg->tcphdr->chksum = inet_chksum_pseudo(seg->p, - &(pcb->local_ip), - &(pcb->remote_ip), - IP_PROTO_TCP, seg->p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP, &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(seg->p, &(pcb->local_ip), &(pcb->remote_ip), pcb->ttl, pcb->tos, - IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ -} - -/** - * Send a TCP RESET packet (empty segment with RST flag set) either to - * abort a connection or to show that there is no matching local connection - * for a received segment. - * - * Called by tcp_abort() (to abort a local connection), tcp_input() (if no - * matching local pcb was found), tcp_listen_input() (if incoming segment - * has ACK flag set) and tcp_process() (received segment in the wrong state) - * - * Since a RST segment is in most cases not sent for an active connection, - * tcp_rst() has a number of arguments that are taken from a tcp_pcb for - * most other segment output functions. - * - * @param seqno the sequence number to use for the outgoing segment - * @param ackno the acknowledge number to use for the outgoing segment - * @param local_ip the local IP address to send the segment from - * @param remote_ip the remote IP address to send the segment to - * @param local_port the local TCP port to send the segment from - * @param remote_port the remote TCP port to send the segment to - */ -void -tcp_rst(u32_t seqno, u32_t ackno, - struct ip_addr *local_ip, struct ip_addr *remote_ip, - u16_t local_port, u16_t remote_port) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - p = pbuf_alloc(PBUF_IP, TCP_HLEN, PBUF_RAM); - if (p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_rst: could not allocate memory for pbuf\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr", - (p->len >= sizeof(struct tcp_hdr))); - - tcphdr = p->payload; - tcphdr->src = htons(local_port); - tcphdr->dest = htons(remote_port); - tcphdr->seqno = htonl(seqno); - tcphdr->ackno = htonl(ackno); - TCPH_FLAGS_SET(tcphdr, TCP_RST | TCP_ACK); - tcphdr->wnd = htons(TCP_WND); - tcphdr->urgp = 0; - TCPH_HDRLEN_SET(tcphdr, 5); - - tcphdr->chksum = 0; -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, local_ip, remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - snmp_inc_tcpoutrsts(); - /* Send output with hardcoded TTL since we have no access to the pcb */ - ip_output(p, local_ip, remote_ip, TCP_TTL, 0, IP_PROTO_TCP); - pbuf_free(p); - LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_rst: seqno %"U32_F" ackno %"U32_F".\n", seqno, ackno)); -} - -/** - * Requeue all unacked segments for retransmission - * - * Called by tcp_slowtmr() for slow retransmission. - * - * @param pcb the tcp_pcb for which to re-enqueue all unacked segments - */ -void -tcp_rexmit_rto(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg; - - if (pcb->unacked == NULL) { - return; - } - - /* Move all unacked segments to the head of the unsent queue */ - for (seg = pcb->unacked; seg->next != NULL; seg = seg->next); - /* concatenate unsent queue after unacked queue */ - seg->next = pcb->unsent; - /* unsent queue is the concatenated queue (of unacked, unsent) */ - pcb->unsent = pcb->unacked; - /* unacked queue is now empty */ - pcb->unacked = NULL; - - /* increment number of retransmissions */ - ++pcb->nrtx; - - /* Don't take any RTT measurements after retransmitting. */ - pcb->rttest = 0; - - /* Do the actual retransmission */ - tcp_output(pcb); -} - -/** - * Requeue the first unacked segment for retransmission - * - * Called by tcp_receive() for fast retramsmit. - * - * @param pcb the tcp_pcb for which to retransmit the first unacked segment - */ -void -tcp_rexmit(struct tcp_pcb *pcb) -{ - struct tcp_seg *seg; - struct tcp_seg **cur_seg; - - if (pcb->unacked == NULL) { - return; - } - - /* Move the first unacked segment to the unsent queue */ - /* Keep the unsent queue sorted. */ - seg = pcb->unacked; - pcb->unacked = seg->next; - - cur_seg = &(pcb->unsent); - while (*cur_seg && - TCP_SEQ_LT(ntohl((*cur_seg)->tcphdr->seqno), ntohl(seg->tcphdr->seqno))) { - cur_seg = &((*cur_seg)->next ); - } - seg->next = *cur_seg; - *cur_seg = seg; - - ++pcb->nrtx; - - /* Don't take any rtt measurements after retransmitting. */ - pcb->rttest = 0; - - /* Do the actual retransmission. */ - snmp_inc_tcpretranssegs(); - /* No need to call tcp_output: we are always called from tcp_input() - and thus tcp_output directly returns. */ -} - - -/** - * Handle retransmission after three dupacks received - * - * @param pcb the tcp_pcb for which to retransmit the first unacked segment - */ -void -tcp_rexmit_fast(struct tcp_pcb *pcb) -{ - if (pcb->unacked != NULL && !(pcb->flags & TF_INFR)) { - /* This is fast retransmit. Retransmit the first unacked segment. */ - LWIP_DEBUGF(TCP_FR_DEBUG, - ("tcp_receive: dupacks %"U16_F" (%"U32_F - "), fast retransmit %"U32_F"\n", - (u16_t)pcb->dupacks, pcb->lastack, - ntohl(pcb->unacked->tcphdr->seqno))); - tcp_rexmit(pcb); - - /* Set ssthresh to half of the minimum of the current - * cwnd and the advertised window */ - if (pcb->cwnd > pcb->snd_wnd) - pcb->ssthresh = pcb->snd_wnd / 2; - else - pcb->ssthresh = pcb->cwnd / 2; - - /* The minimum value for ssthresh should be 2 MSS */ - if (pcb->ssthresh < 2*pcb->mss) { - LWIP_DEBUGF(TCP_FR_DEBUG, - ("tcp_receive: The minimum value for ssthresh %"U16_F - " should be min 2 mss %"U16_F"...\n", - pcb->ssthresh, 2*pcb->mss)); - pcb->ssthresh = 2*pcb->mss; - } - - pcb->cwnd = pcb->ssthresh + 3 * pcb->mss; - pcb->flags |= TF_INFR; - } -} - - -/** - * Send keepalive packets to keep a connection active although - * no data is sent over it. - * - * Called by tcp_slowtmr() - * - * @param pcb the tcp_pcb for which to send a keepalive packet - */ -void -tcp_keepalive(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: sending KEEPALIVE probe to %"U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1(&pcb->remote_ip), ip4_addr2(&pcb->remote_ip), - ip4_addr3(&pcb->remote_ip), ip4_addr4(&pcb->remote_ip))); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: tcp_ticks %"U32_F" pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", - tcp_ticks, pcb->tmr, pcb->keep_cnt_sent)); - - p = pbuf_alloc(PBUF_IP, TCP_HLEN, PBUF_RAM); - - if(p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_keepalive: could not allocate memory for pbuf\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr", - (p->len >= sizeof(struct tcp_hdr))); - - tcphdr = tcp_output_set_header(pcb, p, 0, htonl(pcb->snd_nxt - 1)); - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - - /* Send output to IP */ -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP, - &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - - pbuf_free(p); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_keepalive: seqno %"U32_F" ackno %"U32_F".\n", - pcb->snd_nxt - 1, pcb->rcv_nxt)); -} - - -/** - * Send persist timer zero-window probes to keep a connection active - * when a window update is lost. - * - * Called by tcp_slowtmr() - * - * @param pcb the tcp_pcb for which to send a zero-window probe packet - */ -void -tcp_zero_window_probe(struct tcp_pcb *pcb) -{ - struct pbuf *p; - struct tcp_hdr *tcphdr; - struct tcp_seg *seg; - u16_t len; - u8_t is_fin; - - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_zero_window_probe: sending ZERO WINDOW probe to %" - U16_F".%"U16_F".%"U16_F".%"U16_F"\n", - ip4_addr1(&pcb->remote_ip), ip4_addr2(&pcb->remote_ip), - ip4_addr3(&pcb->remote_ip), ip4_addr4(&pcb->remote_ip))); - - LWIP_DEBUGF(TCP_DEBUG, - ("tcp_zero_window_probe: tcp_ticks %"U32_F - " pcb->tmr %"U32_F" pcb->keep_cnt_sent %"U16_F"\n", - tcp_ticks, pcb->tmr, pcb->keep_cnt_sent)); - - seg = pcb->unacked; - - if(seg == NULL) - seg = pcb->unsent; - - if(seg == NULL) - return; - - is_fin = ((TCPH_FLAGS(seg->tcphdr) & TCP_FIN) != 0) && (seg->len == 0); - len = is_fin ? TCP_HLEN : TCP_HLEN + 1; - - p = pbuf_alloc(PBUF_IP, len, PBUF_RAM); - if(p == NULL) { - LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: no memory for pbuf\n")); - return; - } - LWIP_ASSERT("check that first pbuf can hold struct tcp_hdr", - (p->len >= sizeof(struct tcp_hdr))); - - tcphdr = tcp_output_set_header(pcb, p, 0, seg->tcphdr->seqno); - - if (is_fin) { - /* FIN segment, no data */ - TCPH_FLAGS_SET(tcphdr, TCP_ACK | TCP_FIN); - } else { - /* Data segment, copy in one byte from the head of the unacked queue */ - *((char *)p->payload + sizeof(struct tcp_hdr)) = *(char *)seg->dataptr; - } - -#if CHECKSUM_GEN_TCP - tcphdr->chksum = inet_chksum_pseudo(p, &pcb->local_ip, &pcb->remote_ip, - IP_PROTO_TCP, p->tot_len); -#endif - TCP_STATS_INC(tcp.xmit); - - /* Send output to IP */ -#if LWIP_NETIF_HWADDRHINT - ip_output_hinted(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP, - &(pcb->addr_hint)); -#else /* LWIP_NETIF_HWADDRHINT*/ - ip_output(p, &pcb->local_ip, &pcb->remote_ip, pcb->ttl, 0, IP_PROTO_TCP); -#endif /* LWIP_NETIF_HWADDRHINT*/ - - pbuf_free(p); - - LWIP_DEBUGF(TCP_DEBUG, ("tcp_zero_window_probe: seqno %"U32_F - " ackno %"U32_F".\n", - pcb->snd_nxt - 1, pcb->rcv_nxt)); -} -#endif /* LWIP_TCP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/udp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/udp.c deleted file mode 100644 index 697ca7c..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/udp.c +++ /dev/null @@ -1,843 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * User Datagram Protocol module - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - - -/* udp.c - * - * The code for the User Datagram Protocol UDP & UDPLite (RFC 3828). - * - */ - -/* @todo Check the use of '(struct udp_pcb).chksum_len_rx'! - */ - -#include "lwip/opt.h" - -#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/udp.h" -#include "lwip/def.h" -#include "lwip/memp.h" -#include "lwip/inet.h" -#include "lwip/inet_chksum.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/icmp.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "arch/perf.h" -#include "lwip/dhcp.h" - -#include <string.h> - -/* The list of UDP PCBs */ -/* exported in udp.h (was static) */ -struct udp_pcb *udp_pcbs; - -/** - * Process an incoming UDP datagram. - * - * Given an incoming UDP datagram (as a chain of pbufs) this function - * finds a corresponding UDP PCB and hands over the pbuf to the pcbs - * recv function. If no pcb is found or the datagram is incorrect, the - * pbuf is freed. - * - * @param p pbuf to be demultiplexed to a UDP PCB. - * @param inp network interface on which the datagram was received. - * - */ -void -udp_input(struct pbuf *p, struct netif *inp) -{ - struct udp_hdr *udphdr; - struct udp_pcb *pcb, *prev; - struct udp_pcb *uncon_pcb; - struct ip_hdr *iphdr; - u16_t src, dest; - u8_t local_match; - u8_t broadcast; - - PERF_START; - - UDP_STATS_INC(udp.recv); - - iphdr = p->payload; - - /* Check minimum length (IP header + UDP header) - * and move payload pointer to UDP header */ - if (p->tot_len < (IPH_HL(iphdr) * 4 + UDP_HLEN) || pbuf_header(p, -(s16_t)(IPH_HL(iphdr) * 4))) { - /* drop short packets */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_input: short UDP datagram (%"U16_F" bytes) discarded\n", p->tot_len)); - UDP_STATS_INC(udp.lenerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - - udphdr = (struct udp_hdr *)p->payload; - - /* is broadcast packet ? */ - broadcast = ip_addr_isbroadcast(&(iphdr->dest), inp); - - LWIP_DEBUGF(UDP_DEBUG, ("udp_input: received datagram of length %"U16_F"\n", p->tot_len)); - - /* convert src and dest ports to host byte order */ - src = ntohs(udphdr->src); - dest = ntohs(udphdr->dest); - - udp_debug_print(udphdr); - - /* print the UDP source and destination */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") <-- " - "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n", - ip4_addr1(&iphdr->dest), ip4_addr2(&iphdr->dest), - ip4_addr3(&iphdr->dest), ip4_addr4(&iphdr->dest), ntohs(udphdr->dest), - ip4_addr1(&iphdr->src), ip4_addr2(&iphdr->src), - ip4_addr3(&iphdr->src), ip4_addr4(&iphdr->src), ntohs(udphdr->src))); - -#if LWIP_DHCP - pcb = NULL; - /* when LWIP_DHCP is active, packets to DHCP_CLIENT_PORT may only be processed by - the dhcp module, no other UDP pcb may use the local UDP port DHCP_CLIENT_PORT */ - if (dest == DHCP_CLIENT_PORT) { - /* all packets for DHCP_CLIENT_PORT not coming from DHCP_SERVER_PORT are dropped! */ - if (src == DHCP_SERVER_PORT) { - if ((inp->dhcp != NULL) && (inp->dhcp->pcb != NULL)) { - /* accept the packe if - (- broadcast or directed to us) -> DHCP is link-layer-addressed, local ip is always ANY! - - inp->dhcp->pcb->remote == ANY or iphdr->src */ - if ((ip_addr_isany(&inp->dhcp->pcb->remote_ip) || - ip_addr_cmp(&(inp->dhcp->pcb->remote_ip), &(iphdr->src)))) { - pcb = inp->dhcp->pcb; - } - } - } - } else -#endif /* LWIP_DHCP */ - { - prev = NULL; - local_match = 0; - uncon_pcb = NULL; - /* Iterate through the UDP pcb list for a matching pcb. - * 'Perfect match' pcbs (connected to the remote port & ip address) are - * preferred. If no perfect match is found, the first unconnected pcb that - * matches the local port and ip address gets the datagram. */ - for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next) { - local_match = 0; - /* print the PCB local and remote address */ - LWIP_DEBUGF(UDP_DEBUG, - ("pcb (%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F") --- " - "(%"U16_F".%"U16_F".%"U16_F".%"U16_F", %"U16_F")\n", - ip4_addr1(&pcb->local_ip), ip4_addr2(&pcb->local_ip), - ip4_addr3(&pcb->local_ip), ip4_addr4(&pcb->local_ip), pcb->local_port, - ip4_addr1(&pcb->remote_ip), ip4_addr2(&pcb->remote_ip), - ip4_addr3(&pcb->remote_ip), ip4_addr4(&pcb->remote_ip), pcb->remote_port)); - - /* compare PCB local addr+port to UDP destination addr+port */ - if ((pcb->local_port == dest) && - ((!broadcast && ip_addr_isany(&pcb->local_ip)) || - ip_addr_cmp(&(pcb->local_ip), &(iphdr->dest)) || -#if LWIP_IGMP - ip_addr_ismulticast(&(iphdr->dest)) || -#endif /* LWIP_IGMP */ -#if IP_SOF_BROADCAST_RECV - (broadcast && (pcb->so_options & SOF_BROADCAST)))) { -#else /* IP_SOF_BROADCAST_RECV */ - (broadcast))) { -#endif /* IP_SOF_BROADCAST_RECV */ - local_match = 1; - if ((uncon_pcb == NULL) && - ((pcb->flags & UDP_FLAGS_CONNECTED) == 0)) { - /* the first unconnected matching PCB */ - uncon_pcb = pcb; - } - } - /* compare PCB remote addr+port to UDP source addr+port */ - if ((local_match != 0) && - (pcb->remote_port == src) && - (ip_addr_isany(&pcb->remote_ip) || - ip_addr_cmp(&(pcb->remote_ip), &(iphdr->src)))) { - /* the first fully matching PCB */ - if (prev != NULL) { - /* move the pcb to the front of udp_pcbs so that is - found faster next time */ - prev->next = pcb->next; - pcb->next = udp_pcbs; - udp_pcbs = pcb; - } else { - UDP_STATS_INC(udp.cachehit); - } - break; - } - prev = pcb; - } - /* no fully matching pcb found? then look for an unconnected pcb */ - if (pcb == NULL) { - pcb = uncon_pcb; - } - } - - /* Check checksum if this is a match or if it was directed at us. */ - if (pcb != NULL || ip_addr_cmp(&inp->ip_addr, &iphdr->dest)) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: calculating checksum\n")); -#if LWIP_UDPLITE - if (IPH_PROTO(iphdr) == IP_PROTO_UDPLITE) { - /* Do the UDP Lite checksum */ -#if CHECKSUM_CHECK_UDP - u16_t chklen = ntohs(udphdr->len); - if (chklen < sizeof(struct udp_hdr)) { - if (chklen == 0) { - /* For UDP-Lite, checksum length of 0 means checksum - over the complete packet (See RFC 3828 chap. 3.1) */ - chklen = p->tot_len; - } else { - /* At least the UDP-Lite header must be covered by the - checksum! (Again, see RFC 3828 chap. 3.1) */ - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - } - if (inet_chksum_pseudo_partial(p, (struct ip_addr *)&(iphdr->src), - (struct ip_addr *)&(iphdr->dest), - IP_PROTO_UDPLITE, p->tot_len, chklen) != 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_input: UDP Lite datagram discarded due to failing checksum\n")); - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } -#endif /* CHECKSUM_CHECK_UDP */ - } else -#endif /* LWIP_UDPLITE */ - { -#if CHECKSUM_CHECK_UDP - if (udphdr->chksum != 0) { - if (inet_chksum_pseudo(p, (struct ip_addr *)&(iphdr->src), - (struct ip_addr *)&(iphdr->dest), - IP_PROTO_UDP, p->tot_len) != 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_input: UDP datagram discarded due to failing checksum\n")); - UDP_STATS_INC(udp.chkerr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - } -#endif /* CHECKSUM_CHECK_UDP */ - } - if(pbuf_header(p, -UDP_HLEN)) { - /* Can we cope with this failing? Just assert for now */ - LWIP_ASSERT("pbuf_header failed\n", 0); - UDP_STATS_INC(udp.drop); - snmp_inc_udpinerrors(); - pbuf_free(p); - goto end; - } - if (pcb != NULL) { - snmp_inc_udpindatagrams(); - /* callback */ - if (pcb->recv != NULL) { - /* now the recv function is responsible for freeing p */ - pcb->recv(pcb->recv_arg, pcb, p, &iphdr->src, src); - } else { - /* no recv function registered? then we have to free the pbuf! */ - pbuf_free(p); - goto end; - } - } else { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_input: not for us.\n")); - -#if LWIP_ICMP - /* No match was found, send ICMP destination port unreachable unless - destination address was broadcast/multicast. */ - if (!broadcast && - !ip_addr_ismulticast(&iphdr->dest)) { - /* move payload pointer back to ip header */ - pbuf_header(p, (IPH_HL(iphdr) * 4) + UDP_HLEN); - LWIP_ASSERT("p->payload == iphdr", (p->payload == iphdr)); - icmp_dest_unreach(p, ICMP_DUR_PORT); - } -#endif /* LWIP_ICMP */ - UDP_STATS_INC(udp.proterr); - UDP_STATS_INC(udp.drop); - snmp_inc_udpnoports(); - pbuf_free(p); - } - } else { - pbuf_free(p); - } -end: - PERF_STOP("udp_input"); -} - -/** - * Send data using UDP. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * - * The datagram will be sent to the current remote_ip & remote_port - * stored in pcb. If the pcb is not bound to a port, it will - * automatically be bound to a random port. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_MEM. Out of memory. - * - ERR_RTE. Could not find route to destination address. - * - More errors could be returned by lower protocol layers. - * - * @see udp_disconnect() udp_sendto() - */ -err_t -udp_send(struct udp_pcb *pcb, struct pbuf *p) -{ - /* send to the packet using remote ip and port stored in the pcb */ - return udp_sendto(pcb, p, &pcb->remote_ip, pcb->remote_port); -} - -/** - * Send data to a specified address using UDP. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * @param dst_ip Destination IP address. - * @param dst_port Destination UDP port. - * - * dst_ip & dst_port are expected to be in the same byte order as in the pcb. - * - * If the PCB already has a remote address association, it will - * be restored after the data is sent. - * - * @return lwIP error code (@see udp_send for possible error codes) - * - * @see udp_disconnect() udp_send() - */ -err_t -udp_sendto(struct udp_pcb *pcb, struct pbuf *p, - struct ip_addr *dst_ip, u16_t dst_port) -{ - struct netif *netif; - - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send\n")); - - /* find the outgoing network interface for this packet */ -#if LWIP_IGMP - netif = ip_route((ip_addr_ismulticast(dst_ip))?(&(pcb->multicast_ip)):(dst_ip)); -#else - netif = ip_route(dst_ip); -#endif /* LWIP_IGMP */ - - /* no outgoing network interface could be found? */ - if (netif == NULL) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: No route to 0x%"X32_F"\n", dst_ip->addr)); - UDP_STATS_INC(udp.rterr); - return ERR_RTE; - } - return udp_sendto_if(pcb, p, dst_ip, dst_port, netif); -} - -/** - * Send data to a specified address using UDP. - * The netif used for sending can be specified. - * - * This function exists mainly for DHCP, to be able to send UDP packets - * on a netif that is still down. - * - * @param pcb UDP PCB used to send the data. - * @param p chain of pbuf's to be sent. - * @param dst_ip Destination IP address. - * @param dst_port Destination UDP port. - * @param netif the netif used for sending. - * - * dst_ip & dst_port are expected to be in the same byte order as in the pcb. - * - * @return lwIP error code (@see udp_send for possible error codes) - * - * @see udp_disconnect() udp_send() - */ -err_t -udp_sendto_if(struct udp_pcb *pcb, struct pbuf *p, - struct ip_addr *dst_ip, u16_t dst_port, struct netif *netif) -{ - struct udp_hdr *udphdr; - struct ip_addr *src_ip; - err_t err; - struct pbuf *q; /* q will be sent down the stack */ - -#if IP_SOF_BROADCAST - /* broadcast filter? */ - if ( ((pcb->so_options & SOF_BROADCAST) == 0) && ip_addr_isbroadcast(dst_ip, netif) ) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_LEVEL_SERIOUS, - ("udp_sendto_if: SOF_BROADCAST not enabled on pcb %p\n", (void *)pcb)); - return ERR_VAL; - } -#endif /* IP_SOF_BROADCAST */ - - /* if the PCB is not yet bound to a port, bind it here */ - if (pcb->local_port == 0) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_send: not yet bound to a port, binding now\n")); - err = udp_bind(pcb, &pcb->local_ip, pcb->local_port); - if (err != ERR_OK) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: forced port bind failed\n")); - return err; - } - } - - /* not enough space to add an UDP header to first pbuf in given p chain? */ - if (pbuf_header(p, UDP_HLEN)) { - /* allocate header in a separate new pbuf */ - q = pbuf_alloc(PBUF_IP, UDP_HLEN, PBUF_RAM); - /* new header pbuf could not be allocated? */ - if (q == NULL) { - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, ("udp_send: could not allocate header\n")); - return ERR_MEM; - } - /* chain header q in front of given pbuf p */ - pbuf_chain(q, p); - /* first pbuf q points to header pbuf */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_send: added header pbuf %p before given pbuf %p\n", (void *)q, (void *)p)); - } else { - /* adding space for header within p succeeded */ - /* first pbuf q equals given pbuf */ - q = p; - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: added header in given pbuf %p\n", (void *)p)); - } - LWIP_ASSERT("check that first pbuf can hold struct udp_hdr", - (q->len >= sizeof(struct udp_hdr))); - /* q now represents the packet to be sent */ - udphdr = q->payload; - udphdr->src = htons(pcb->local_port); - udphdr->dest = htons(dst_port); - /* in UDP, 0 checksum means 'no checksum' */ - udphdr->chksum = 0x0000; - - /* PCB local address is IP_ANY_ADDR? */ - if (ip_addr_isany(&pcb->local_ip)) { - /* use outgoing network interface IP address as source address */ - src_ip = &(netif->ip_addr); - } else { - /* check if UDP PCB local IP address is correct - * this could be an old address if netif->ip_addr has changed */ - if (!ip_addr_cmp(&(pcb->local_ip), &(netif->ip_addr))) { - /* local_ip doesn't match, drop the packet */ - if (q != p) { - /* free the header pbuf */ - pbuf_free(q); - q = NULL; - /* p is still referenced by the caller, and will live on */ - } - return ERR_VAL; - } - /* use UDP PCB local IP address as source address */ - src_ip = &(pcb->local_ip); - } - - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: sending datagram of length %"U16_F"\n", q->tot_len)); - -#if LWIP_UDPLITE - /* UDP Lite protocol? */ - if (pcb->flags & UDP_FLAGS_UDPLITE) { - u16_t chklen, chklen_hdr; - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE packet length %"U16_F"\n", q->tot_len)); - /* set UDP message length in UDP header */ - chklen_hdr = chklen = pcb->chksum_len_tx; - if ((chklen < sizeof(struct udp_hdr)) || (chklen > q->tot_len)) { - if (chklen != 0) { - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP LITE pcb->chksum_len is illegal: %"U16_F"\n", chklen)); - } - /* For UDP-Lite, checksum length of 0 means checksum - over the complete packet. (See RFC 3828 chap. 3.1) - At least the UDP-Lite header must be covered by the - checksum, therefore, if chksum_len has an illegal - value, we generate the checksum over the complete - packet to be safe. */ - chklen_hdr = 0; - chklen = q->tot_len; - } - udphdr->len = htons(chklen_hdr); - /* calculate checksum */ -#if CHECKSUM_GEN_UDP - udphdr->chksum = inet_chksum_pseudo_partial(q, src_ip, dst_ip, - IP_PROTO_UDPLITE, q->tot_len, chklen); - /* chksum zero must become 0xffff, as zero means 'no checksum' */ - if (udphdr->chksum == 0x0000) - udphdr->chksum = 0xffff; -#endif /* CHECKSUM_CHECK_UDP */ - /* output to IP */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDPLITE,)\n")); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if(q, src_ip, dst_ip, pcb->ttl, pcb->tos, IP_PROTO_UDPLITE, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - } else -#endif /* LWIP_UDPLITE */ - { /* UDP */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP packet length %"U16_F"\n", q->tot_len)); - udphdr->len = htons(q->tot_len); - /* calculate checksum */ -#if CHECKSUM_GEN_UDP - if ((pcb->flags & UDP_FLAGS_NOCHKSUM) == 0) { - udphdr->chksum = inet_chksum_pseudo(q, src_ip, dst_ip, IP_PROTO_UDP, q->tot_len); - /* chksum zero must become 0xffff, as zero means 'no checksum' */ - if (udphdr->chksum == 0x0000) udphdr->chksum = 0xffff; - } -#endif /* CHECKSUM_CHECK_UDP */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: UDP checksum 0x%04"X16_F"\n", udphdr->chksum)); - LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,IP_PROTO_UDP,)\n")); - /* output to IP */ -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = &(pcb->addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT*/ - err = ip_output_if(q, src_ip, dst_ip, pcb->ttl, pcb->tos, IP_PROTO_UDP, netif); -#if LWIP_NETIF_HWADDRHINT - netif->addr_hint = NULL; -#endif /* LWIP_NETIF_HWADDRHINT*/ - } - /* TODO: must this be increased even if error occured? */ - snmp_inc_udpoutdatagrams(); - - /* did we chain a separate header pbuf earlier? */ - if (q != p) { - /* free the header pbuf */ - pbuf_free(q); - q = NULL; - /* p is still referenced by the caller, and will live on */ - } - - UDP_STATS_INC(udp.xmit); - return err; -} - -/** - * Bind an UDP PCB. - * - * @param pcb UDP PCB to be bound with a local address ipaddr and port. - * @param ipaddr local IP address to bind with. Use IP_ADDR_ANY to - * bind to all local interfaces. - * @param port local UDP port to bind with. Use 0 to automatically bind - * to a random port between UDP_LOCAL_PORT_RANGE_START and - * UDP_LOCAL_PORT_RANGE_END. - * - * ipaddr & port are expected to be in the same byte order as in the pcb. - * - * @return lwIP error code. - * - ERR_OK. Successful. No error occured. - * - ERR_USE. The specified ipaddr and port are already bound to by - * another UDP PCB. - * - * @see udp_disconnect() - */ -err_t -udp_bind(struct udp_pcb *pcb, struct ip_addr *ipaddr, u16_t port) -{ - struct udp_pcb *ipcb; - u8_t rebind; - - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, ("udp_bind(ipaddr = ")); - ip_addr_debug_print(UDP_DEBUG, ipaddr); - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE, (", port = %"U16_F")\n", port)); - - rebind = 0; - /* Check for double bind and rebind of the same pcb */ - for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) { - /* is this UDP PCB already on active list? */ - if (pcb == ipcb) { - /* pcb may occur at most once in active list */ - LWIP_ASSERT("rebind == 0", rebind == 0); - /* pcb already in list, just rebind */ - rebind = 1; - } - - /* this code does not allow upper layer to share a UDP port for - listening to broadcast or multicast traffic (See SO_REUSE_ADDR and - SO_REUSE_PORT under *BSD). TODO: See where it fits instead, OR - combine with implementation of UDP PCB flags. Leon Woestenberg. */ -#ifdef LWIP_UDP_TODO - /* port matches that of PCB in list? */ - else - if ((ipcb->local_port == port) && - /* IP address matches, or one is IP_ADDR_ANY? */ - (ip_addr_isany(&(ipcb->local_ip)) || - ip_addr_isany(ipaddr) || - ip_addr_cmp(&(ipcb->local_ip), ipaddr))) { - /* other PCB already binds to this local IP and port */ - LWIP_DEBUGF(UDP_DEBUG, - ("udp_bind: local port %"U16_F" already bound by another pcb\n", port)); - return ERR_USE; - } -#endif - } - - ip_addr_set(&pcb->local_ip, ipaddr); - - /* no port specified? */ - if (port == 0) { -#ifndef UDP_LOCAL_PORT_RANGE_START -#define UDP_LOCAL_PORT_RANGE_START 4096 -#define UDP_LOCAL_PORT_RANGE_END 0x7fff -#endif - port = UDP_LOCAL_PORT_RANGE_START; - ipcb = udp_pcbs; - while ((ipcb != NULL) && (port != UDP_LOCAL_PORT_RANGE_END)) { - if (ipcb->local_port == port) { - /* port is already used by another udp_pcb */ - port++; - /* restart scanning all udp pcbs */ - ipcb = udp_pcbs; - } else - /* go on with next udp pcb */ - ipcb = ipcb->next; - } - if (ipcb != NULL) { - /* no more ports available in local range */ - LWIP_DEBUGF(UDP_DEBUG, ("udp_bind: out of free UDP ports\n")); - return ERR_USE; - } - } - pcb->local_port = port; - snmp_insert_udpidx_tree(pcb); - /* pcb not active yet? */ - if (rebind == 0) { - /* place the PCB on the active list if not already there */ - pcb->next = udp_pcbs; - udp_pcbs = pcb; - } - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("udp_bind: bound to %"U16_F".%"U16_F".%"U16_F".%"U16_F", port %"U16_F"\n", - (u16_t)((ntohl(pcb->local_ip.addr) >> 24) & 0xff), - (u16_t)((ntohl(pcb->local_ip.addr) >> 16) & 0xff), - (u16_t)((ntohl(pcb->local_ip.addr) >> 8) & 0xff), - (u16_t)(ntohl(pcb->local_ip.addr) & 0xff), pcb->local_port)); - return ERR_OK; -} -/** - * Connect an UDP PCB. - * - * This will associate the UDP PCB with the remote address. - * - * @param pcb UDP PCB to be connected with remote address ipaddr and port. - * @param ipaddr remote IP address to connect with. - * @param port remote UDP port to connect with. - * - * @return lwIP error code - * - * ipaddr & port are expected to be in the same byte order as in the pcb. - * - * The udp pcb is bound to a random local port if not already bound. - * - * @see udp_disconnect() - */ -err_t -udp_connect(struct udp_pcb *pcb, struct ip_addr *ipaddr, u16_t port) -{ - struct udp_pcb *ipcb; - - if (pcb->local_port == 0) { - err_t err = udp_bind(pcb, &pcb->local_ip, pcb->local_port); - if (err != ERR_OK) - return err; - } - - ip_addr_set(&pcb->remote_ip, ipaddr); - pcb->remote_port = port; - pcb->flags |= UDP_FLAGS_CONNECTED; -/** TODO: this functionality belongs in upper layers */ -#ifdef LWIP_UDP_TODO - /* Nail down local IP for netconn_addr()/getsockname() */ - if (ip_addr_isany(&pcb->local_ip) && !ip_addr_isany(&pcb->remote_ip)) { - struct netif *netif; - - if ((netif = ip_route(&(pcb->remote_ip))) == NULL) { - LWIP_DEBUGF(UDP_DEBUG, ("udp_connect: No route to 0x%lx\n", pcb->remote_ip.addr)); - UDP_STATS_INC(udp.rterr); - return ERR_RTE; - } - /** TODO: this will bind the udp pcb locally, to the interface which - is used to route output packets to the remote address. However, we - might want to accept incoming packets on any interface! */ - pcb->local_ip = netif->ip_addr; - } else if (ip_addr_isany(&pcb->remote_ip)) { - pcb->local_ip.addr = 0; - } -#endif - LWIP_DEBUGF(UDP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, - ("udp_connect: connected to %"U16_F".%"U16_F".%"U16_F".%"U16_F",port %"U16_F"\n", - (u16_t)((ntohl(pcb->remote_ip.addr) >> 24) & 0xff), - (u16_t)((ntohl(pcb->remote_ip.addr) >> 16) & 0xff), - (u16_t)((ntohl(pcb->remote_ip.addr) >> 8) & 0xff), - (u16_t)(ntohl(pcb->remote_ip.addr) & 0xff), pcb->remote_port)); - - /* Insert UDP PCB into the list of active UDP PCBs. */ - for (ipcb = udp_pcbs; ipcb != NULL; ipcb = ipcb->next) { - if (pcb == ipcb) { - /* already on the list, just return */ - return ERR_OK; - } - } - /* PCB not yet on the list, add PCB now */ - pcb->next = udp_pcbs; - udp_pcbs = pcb; - return ERR_OK; -} - -/** - * Disconnect a UDP PCB - * - * @param pcb the udp pcb to disconnect. - */ -void -udp_disconnect(struct udp_pcb *pcb) -{ - /* reset remote address association */ - ip_addr_set(&pcb->remote_ip, IP_ADDR_ANY); - pcb->remote_port = 0; - /* mark PCB as unconnected */ - pcb->flags &= ~UDP_FLAGS_CONNECTED; -} - -/** - * Set a receive callback for a UDP PCB - * - * This callback will be called when receiving a datagram for the pcb. - * - * @param pcb the pcb for wich to set the recv callback - * @param recv function pointer of the callback function - * @param recv_arg additional argument to pass to the callback function - */ -void -udp_recv(struct udp_pcb *pcb, - void (* recv)(void *arg, struct udp_pcb *upcb, struct pbuf *p, - struct ip_addr *addr, u16_t port), - void *recv_arg) -{ - /* remember recv() callback and user data */ - pcb->recv = recv; - pcb->recv_arg = recv_arg; -} - -/** - * Remove an UDP PCB. - * - * @param pcb UDP PCB to be removed. The PCB is removed from the list of - * UDP PCB's and the data structure is freed from memory. - * - * @see udp_new() - */ -void -udp_remove(struct udp_pcb *pcb) -{ - struct udp_pcb *pcb2; - - snmp_delete_udpidx_tree(pcb); - /* pcb to be removed is first in list? */ - if (udp_pcbs == pcb) { - /* make list start at 2nd pcb */ - udp_pcbs = udp_pcbs->next; - /* pcb not 1st in list */ - } else - for (pcb2 = udp_pcbs; pcb2 != NULL; pcb2 = pcb2->next) { - /* find pcb in udp_pcbs list */ - if (pcb2->next != NULL && pcb2->next == pcb) { - /* remove pcb from list */ - pcb2->next = pcb->next; - } - } - memp_free(MEMP_UDP_PCB, pcb); -} - -/** - * Create a UDP PCB. - * - * @return The UDP PCB which was created. NULL if the PCB data structure - * could not be allocated. - * - * @see udp_remove() - */ -struct udp_pcb * -udp_new(void) -{ - struct udp_pcb *pcb; - pcb = memp_malloc(MEMP_UDP_PCB); - /* could allocate UDP PCB? */ - if (pcb != NULL) { - /* UDP Lite: by initializing to all zeroes, chksum_len is set to 0 - * which means checksum is generated over the whole datagram per default - * (recommended as default by RFC 3828). */ - /* initialize PCB to all zeroes */ - memset(pcb, 0, sizeof(struct udp_pcb)); - pcb->ttl = UDP_TTL; - } - return pcb; -} - -#if UDP_DEBUG -/** - * Print UDP header information for debug purposes. - * - * @param udphdr pointer to the udp header in memory. - */ -void -udp_debug_print(struct udp_hdr *udphdr) -{ - LWIP_DEBUGF(UDP_DEBUG, ("UDP header:\n")); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(UDP_DEBUG, ("| %5"U16_F" | %5"U16_F" | (src port, dest port)\n", - ntohs(udphdr->src), ntohs(udphdr->dest))); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); - LWIP_DEBUGF(UDP_DEBUG, ("| %5"U16_F" | 0x%04"X16_F" | (len, chksum)\n", - ntohs(udphdr->len), ntohs(udphdr->chksum))); - LWIP_DEBUGF(UDP_DEBUG, ("+-------------------------------+\n")); -} -#endif /* UDP_DEBUG */ - -#endif /* LWIP_UDP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/autoip.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/autoip.h deleted file mode 100644 index d5464b7..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/autoip.h +++ /dev/null @@ -1,118 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * - * AutoIP Automatic LinkLocal IP Configuration - */ - -/* - * - * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Dominik Spies <kontakt@dspies.de> - * - * This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform - * with RFC 3927. - * - * - * Please coordinate changes and requests with Dominik Spies - * <kontakt@dspies.de> - */ - -#ifndef __LWIP_AUTOIP_H__ -#define __LWIP_AUTOIP_H__ - -#include "lwip/opt.h" - -#if LWIP_AUTOIP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netif.h" -#include "lwip/udp.h" -#include "netif/etharp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* AutoIP Timing */ -#define AUTOIP_TMR_INTERVAL 100 -#define AUTOIP_TICKS_PER_SECOND (1000 / AUTOIP_TMR_INTERVAL) - -/* RFC 3927 Constants */ -#define PROBE_WAIT 1 /* second (initial random delay) */ -#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */ -#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */ -#define PROBE_NUM 3 /* (number of probe packets) */ -#define ANNOUNCE_NUM 2 /* (number of announcement packets) */ -#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */ -#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */ -#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */ -#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */ -#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */ - -/* AutoIP client states */ -#define AUTOIP_STATE_OFF 0 -#define AUTOIP_STATE_PROBING 1 -#define AUTOIP_STATE_ANNOUNCING 2 -#define AUTOIP_STATE_BOUND 3 - -struct autoip -{ - struct ip_addr llipaddr; /* the currently selected, probed, announced or used LL IP-Address */ - u8_t state; /* current AutoIP state machine state */ - u8_t sent_num; /* sent number of probes or announces, dependent on state */ - u16_t ttw; /* ticks to wait, tick is AUTOIP_TMR_INTERVAL long */ - u8_t lastconflict; /* ticks until a conflict can be solved by defending */ - u8_t tried_llipaddr; /* total number of probed/used Link Local IP-Addresses */ -}; - - -/** Init srand, has to be called before entering mainloop */ -void autoip_init(void); - -/** Start AutoIP client */ -err_t autoip_start(struct netif *netif); - -/** Stop AutoIP client */ -err_t autoip_stop(struct netif *netif); - -/** Handles every incoming ARP Packet, called by etharp_arp_input */ -void autoip_arp_reply(struct netif *netif, struct etharp_hdr *hdr); - -/** Has to be called in loop every AUTOIP_TMR_INTERVAL milliseconds */ -void autoip_tmr(void); - -/** Handle a possible change in the network configuration */ -void autoip_network_changed(struct netif *netif); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_AUTOIP */ - -#endif /* __LWIP_AUTOIP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/icmp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/icmp.h deleted file mode 100644 index 3f917ba..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/icmp.h +++ /dev/null @@ -1,113 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_ICMP_H__ -#define __LWIP_ICMP_H__ - -#include "lwip/opt.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define ICMP_ER 0 /* echo reply */ -#define ICMP_DUR 3 /* destination unreachable */ -#define ICMP_SQ 4 /* source quench */ -#define ICMP_RD 5 /* redirect */ -#define ICMP_ECHO 8 /* echo */ -#define ICMP_TE 11 /* time exceeded */ -#define ICMP_PP 12 /* parameter problem */ -#define ICMP_TS 13 /* timestamp */ -#define ICMP_TSR 14 /* timestamp reply */ -#define ICMP_IRQ 15 /* information request */ -#define ICMP_IR 16 /* information reply */ - -enum icmp_dur_type { - ICMP_DUR_NET = 0, /* net unreachable */ - ICMP_DUR_HOST = 1, /* host unreachable */ - ICMP_DUR_PROTO = 2, /* protocol unreachable */ - ICMP_DUR_PORT = 3, /* port unreachable */ - ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */ - ICMP_DUR_SR = 5 /* source route failed */ -}; - -enum icmp_te_type { - ICMP_TE_TTL = 0, /* time to live exceeded in transit */ - ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */ -}; - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -/** This is the standard ICMP header only that the u32_t data - * is splitted to two u16_t like ICMP echo needs it. - * This header is also used for other ICMP types that do not - * use the data part. - */ -PACK_STRUCT_BEGIN -struct icmp_echo_hdr { - PACK_STRUCT_FIELD(u8_t type); - PACK_STRUCT_FIELD(u8_t code); - PACK_STRUCT_FIELD(u16_t chksum); - PACK_STRUCT_FIELD(u16_t id); - PACK_STRUCT_FIELD(u16_t seqno); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define ICMPH_TYPE(hdr) ((hdr)->type) -#define ICMPH_CODE(hdr) ((hdr)->code) - -/** Combines type and code to an u16_t */ -#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t)) -#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c)) - - -#if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */ - -void icmp_input(struct pbuf *p, struct netif *inp); -void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t); -void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t); - -#endif /* LWIP_ICMP */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ICMP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/igmp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/igmp.h deleted file mode 100644 index da67e75..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/igmp.h +++ /dev/null @@ -1,164 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2002 CITEL Technologies Ltd. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is a contribution to the lwIP TCP/IP stack. - * The Swedish Institute of Computer Science and Adam Dunkels - * are specifically granted permission to redistribute this - * source code. -*/ - -#ifndef __LWIP_IGMP_H__ -#define __LWIP_IGMP_H__ - -#include "lwip/opt.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/pbuf.h" - -#if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * IGMP constants - */ -#define IP_PROTO_IGMP 2 -#define IGMP_TTL 1 -#define IGMP_MINLEN 8 -#define ROUTER_ALERT 0x9404 -#define ROUTER_ALERTLEN 4 - -/* - * IGMP message types, including version number. - */ -#define IGMP_MEMB_QUERY 0x11 /* Membership query */ -#define IGMP_V1_MEMB_REPORT 0x12 /* Ver. 1 membership report */ -#define IGMP_V2_MEMB_REPORT 0x16 /* Ver. 2 membership report */ -#define IGMP_LEAVE_GROUP 0x17 /* Leave-group message */ - -/* IGMP timer */ -#define IGMP_TMR_INTERVAL 100 /* Milliseconds */ -#define IGMP_V1_DELAYING_MEMBER_TMR (1000/IGMP_TMR_INTERVAL) -#define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL) - -/* MAC Filter Actions */ -#define IGMP_DEL_MAC_FILTER 0 -#define IGMP_ADD_MAC_FILTER 1 - -/* Group membership states */ -#define IGMP_GROUP_NON_MEMBER 0 -#define IGMP_GROUP_DELAYING_MEMBER 1 -#define IGMP_GROUP_IDLE_MEMBER 2 - -/* - * IGMP packet format. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct igmp_msg { - PACK_STRUCT_FIELD(u8_t igmp_msgtype); - PACK_STRUCT_FIELD(u8_t igmp_maxresp); - PACK_STRUCT_FIELD(u16_t igmp_checksum); - PACK_STRUCT_FIELD(struct ip_addr igmp_group_address); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/* - * now a group structure - there is - * a list of groups for each interface - * these should really be linked from the interface, but - * if we keep them separate we will not affect the lwip original code - * too much - * - * There will be a group for the all systems group address but this - * will not run the state machine as it is used to kick off reports - * from all the other groups - */ - -struct igmp_group { - struct igmp_group *next; - struct netif *interface; - struct ip_addr group_address; - u8_t last_reporter_flag; /* signifies we were the last person to report */ - u8_t group_state; - u16_t timer; - u8_t use; /* counter of simultaneous uses */ -}; - - -/* Prototypes */ -void igmp_init(void); - -err_t igmp_start( struct netif *netif); - -err_t igmp_stop( struct netif *netif); - -void igmp_report_groups( struct netif *netif); - -struct igmp_group *igmp_lookfor_group( struct netif *ifp, struct ip_addr *addr); - -struct igmp_group *igmp_lookup_group( struct netif *ifp, struct ip_addr *addr); - -err_t igmp_remove_group( struct igmp_group *group); - -void igmp_input( struct pbuf *p, struct netif *inp, struct ip_addr *dest); - -err_t igmp_joingroup( struct ip_addr *ifaddr, struct ip_addr *groupaddr); - -err_t igmp_leavegroup( struct ip_addr *ifaddr, struct ip_addr *groupaddr); - -void igmp_tmr(void); - -void igmp_timeout( struct igmp_group *group); - -void igmp_start_timer( struct igmp_group *group, u8_t max_time); - -void igmp_stop_timer( struct igmp_group *group); - -void igmp_delaying_member( struct igmp_group *group, u8_t maxresp); - -err_t igmp_ip_output_if( struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, u8_t ttl, u8_t proto, struct netif *netif); - -void igmp_send( struct igmp_group *group, u8_t type); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_IGMP */ - -#endif /* __LWIP_IGMP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet.h deleted file mode 100644 index 903afdf..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet.h +++ /dev/null @@ -1,105 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_INET_H__ -#define __LWIP_INET_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* For compatibility with BSD code */ -struct in_addr { - u32_t s_addr; -}; - -#define INADDR_NONE ((u32_t)0xffffffffUL) /* 255.255.255.255 */ -#define INADDR_LOOPBACK ((u32_t)0x7f000001UL) /* 127.0.0.1 */ -#define INADDR_ANY ((u32_t)0x00000000UL) /* 0.0.0.0 */ -#define INADDR_BROADCAST ((u32_t)0xffffffffUL) /* 255.255.255.255 */ - -u32_t inet_addr(const char *cp); -int inet_aton(const char *cp, struct in_addr *addr); -char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */ - -#ifdef htons -#undef htons -#endif /* htons */ -#ifdef htonl -#undef htonl -#endif /* htonl */ -#ifdef ntohs -#undef ntohs -#endif /* ntohs */ -#ifdef ntohl -#undef ntohl -#endif /* ntohl */ - -#ifndef LWIP_PLATFORM_BYTESWAP -#define LWIP_PLATFORM_BYTESWAP 0 -#endif - -#if BYTE_ORDER == BIG_ENDIAN -#define htons(x) (x) -#define ntohs(x) (x) -#define htonl(x) (x) -#define ntohl(x) (x) -#else /* BYTE_ORDER != BIG_ENDIAN */ -#ifdef LWIP_PREFIX_BYTEORDER_FUNCS -/* workaround for naming collisions on some platforms */ -#define htons lwip_htons -#define ntohs lwip_ntohs -#define htonl lwip_htonl -#define ntohl lwip_ntohl -#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */ -#if LWIP_PLATFORM_BYTESWAP -#define htons(x) LWIP_PLATFORM_HTONS(x) -#define ntohs(x) LWIP_PLATFORM_HTONS(x) -#define htonl(x) LWIP_PLATFORM_HTONL(x) -#define ntohl(x) LWIP_PLATFORM_HTONL(x) -#else /* LWIP_PLATFORM_BYTESWAP */ -u16_t htons(u16_t x); -u16_t ntohs(u16_t x); -u32_t htonl(u32_t x); -u32_t ntohl(u32_t x); -#endif /* LWIP_PLATFORM_BYTESWAP */ - -#endif /* BYTE_ORDER == BIG_ENDIAN */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INET_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet_chksum.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet_chksum.h deleted file mode 100644 index 6f5b1b6..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/inet_chksum.h +++ /dev/null @@ -1,62 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_INET_CHKSUM_H__ -#define __LWIP_INET_CHKSUM_H__ - -#include "lwip/opt.h" - -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -u16_t inet_chksum(void *dataptr, u16_t len); -u16_t inet_chksum_pbuf(struct pbuf *p); -u16_t inet_chksum_pseudo(struct pbuf *p, - struct ip_addr *src, struct ip_addr *dest, - u8_t proto, u16_t proto_len); -#if LWIP_UDPLITE -u16_t inet_chksum_pseudo_partial(struct pbuf *p, - struct ip_addr *src, struct ip_addr *dest, - u8_t proto, u16_t proto_len, u16_t chksum_len); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INET_H__ */ - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip.h deleted file mode 100644 index 6b2cdee..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip.h +++ /dev/null @@ -1,200 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_IP_H__ -#define __LWIP_IP_H__ - -#include "lwip/opt.h" - -#include "lwip/def.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/err.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Currently, the function ip_output_if_opt() is only used with IGMP */ -#define IP_OPTIONS_SEND LWIP_IGMP - -#define IP_HLEN 20 - -#define IP_PROTO_ICMP 1 -#define IP_PROTO_UDP 17 -#define IP_PROTO_UDPLITE 136 -#define IP_PROTO_TCP 6 - -/* This is passed as the destination address to ip_output_if (not - to ip_output), meaning that an IP header already is constructed - in the pbuf. This is used when TCP retransmits. */ -#ifdef IP_HDRINCL -#undef IP_HDRINCL -#endif /* IP_HDRINCL */ -#define IP_HDRINCL NULL - -#if LWIP_NETIF_HWADDRHINT -#define IP_PCB_ADDRHINT ;u8_t addr_hint -#else -#define IP_PCB_ADDRHINT -#endif /* LWIP_NETIF_HWADDRHINT */ - -/* This is the common part of all PCB types. It needs to be at the - beginning of a PCB type definition. It is located here so that - changes to this common part are made in one location instead of - having to change all PCB structs. */ -#define IP_PCB \ - /* ip addresses in network byte order */ \ - struct ip_addr local_ip; \ - struct ip_addr remote_ip; \ - /* Socket options */ \ - u16_t so_options; \ - /* Type Of Service */ \ - u8_t tos; \ - /* Time To Live */ \ - u8_t ttl \ - /* link layer address resolution hint */ \ - IP_PCB_ADDRHINT - -struct ip_pcb { -/* Common members of all PCB types */ - IP_PCB; -}; - -/* - * Option flags per-socket. These are the same like SO_XXX. - */ -#define SOF_DEBUG (u16_t)0x0001U /* turn on debugging info recording */ -#define SOF_ACCEPTCONN (u16_t)0x0002U /* socket has had listen() */ -#define SOF_REUSEADDR (u16_t)0x0004U /* allow local address reuse */ -#define SOF_KEEPALIVE (u16_t)0x0008U /* keep connections alive */ -#define SOF_DONTROUTE (u16_t)0x0010U /* just use interface addresses */ -#define SOF_BROADCAST (u16_t)0x0020U /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ -#define SOF_USELOOPBACK (u16_t)0x0040U /* bypass hardware when possible */ -#define SOF_LINGER (u16_t)0x0080U /* linger on close if data present */ -#define SOF_OOBINLINE (u16_t)0x0100U /* leave received OOB data in line */ -#define SOF_REUSEPORT (u16_t)0x0200U /* allow local address & port reuse */ - - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_hdr { - /* version / header length / type of service */ - PACK_STRUCT_FIELD(u16_t _v_hl_tos); - /* total length */ - PACK_STRUCT_FIELD(u16_t _len); - /* identification */ - PACK_STRUCT_FIELD(u16_t _id); - /* fragment offset field */ - PACK_STRUCT_FIELD(u16_t _offset); -#define IP_RF 0x8000 /* reserved fragment flag */ -#define IP_DF 0x4000 /* dont fragment flag */ -#define IP_MF 0x2000 /* more fragments flag */ -#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ - /* time to live / protocol*/ - PACK_STRUCT_FIELD(u16_t _ttl_proto); - /* checksum */ - PACK_STRUCT_FIELD(u16_t _chksum); - /* source and destination IP addresses */ - PACK_STRUCT_FIELD(struct ip_addr src); - PACK_STRUCT_FIELD(struct ip_addr dest); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define IPH_V(hdr) (ntohs((hdr)->_v_hl_tos) >> 12) -#define IPH_HL(hdr) ((ntohs((hdr)->_v_hl_tos) >> 8) & 0x0f) -#define IPH_TOS(hdr) (ntohs((hdr)->_v_hl_tos) & 0xff) -#define IPH_LEN(hdr) ((hdr)->_len) -#define IPH_ID(hdr) ((hdr)->_id) -#define IPH_OFFSET(hdr) ((hdr)->_offset) -#define IPH_TTL(hdr) (ntohs((hdr)->_ttl_proto) >> 8) -#define IPH_PROTO(hdr) (ntohs((hdr)->_ttl_proto) & 0xff) -#define IPH_CHKSUM(hdr) ((hdr)->_chksum) - -#define IPH_VHLTOS_SET(hdr, v, hl, tos) (hdr)->_v_hl_tos = (htons(((v) << 12) | ((hl) << 8) | (tos))) -#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len) -#define IPH_ID_SET(hdr, id) (hdr)->_id = (id) -#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off) -#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl_proto = (htons(IPH_PROTO(hdr) | ((u16_t)(ttl) << 8))) -#define IPH_PROTO_SET(hdr, proto) (hdr)->_ttl_proto = (htons((proto) | (IPH_TTL(hdr) << 8))) -#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum) - -/** The interface that provided the packet for the current callback invocation. */ -extern struct netif *current_netif; -/** Header of the input packet currently being processed. */ -extern const struct ip_hdr *current_header; - -#define ip_init() /* Compatibility define, not init needed. */ -struct netif *ip_route(struct ip_addr *dest); -err_t ip_input(struct pbuf *p, struct netif *inp); -err_t ip_output(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto); -err_t ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto, - struct netif *netif); -#if LWIP_NETIF_HWADDRHINT -err_t ip_output_hinted(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint); -#endif /* LWIP_NETIF_HWADDRHINT */ -#if IP_OPTIONS_SEND -err_t ip_output_if_opt(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest, - u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options, - u16_t optlen); -#endif /* IP_OPTIONS_SEND */ -/** Get the interface that received the current packet. - * This function must only be called from a receive callback (udp_recv, - * raw_recv, tcp_accept). It will return NULL otherwise. */ -#define ip_current_netif() (current_netif) -/** Get the IP header of the current packet. - * This function must only be called from a receive callback (udp_recv, - * raw_recv, tcp_accept). It will return NULL otherwise. */ -#define ip_current_header() (current_header) -#if IP_DEBUG -void ip_debug_print(struct pbuf *p); -#else -#define ip_debug_print(p) -#endif /* IP_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_H__ */ - - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_addr.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_addr.h deleted file mode 100644 index 5fbc44d..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_addr.h +++ /dev/null @@ -1,175 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_IP_ADDR_H__ -#define __LWIP_IP_ADDR_H__ - -#include "lwip/opt.h" - -#include "lwip/inet.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_addr { - PACK_STRUCT_FIELD(u32_t addr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/* - * struct ipaddr2 is used in the definition of the ARP packet format in - * order to support compilers that don't have structure packing. - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct ip_addr2 { - PACK_STRUCT_FIELD(u16_t addrw[2]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -struct netif; - -extern const struct ip_addr ip_addr_any; -extern const struct ip_addr ip_addr_broadcast; - -/** IP_ADDR_ can be used as a fixed IP address - * for the wildcard and the broadcast address - */ -#define IP_ADDR_ANY ((struct ip_addr *)&ip_addr_any) -#define IP_ADDR_BROADCAST ((struct ip_addr *)&ip_addr_broadcast) - -/* Definitions of the bits in an Internet address integer. - - On subnets, host and network parts are found according to - the subnet mask, not these masks. */ - -#define IN_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0) -#define IN_CLASSA_NET 0xff000000 -#define IN_CLASSA_NSHIFT 24 -#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) -#define IN_CLASSA_MAX 128 - -#define IN_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL) -#define IN_CLASSB_NET 0xffff0000 -#define IN_CLASSB_NSHIFT 16 -#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) -#define IN_CLASSB_MAX 65536 - -#define IN_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL) -#define IN_CLASSC_NET 0xffffff00 -#define IN_CLASSC_NSHIFT 8 -#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) - -#define IN_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL) -#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */ -#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ -#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */ -#define IN_MULTICAST(a) IN_CLASSD(a) - -#define IN_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL) -#define IN_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL) - -#define IN_LOOPBACKNET 127 /* official! */ - -#define IP4_ADDR(ipaddr, a,b,c,d) \ - (ipaddr)->addr = htonl(((u32_t)((a) & 0xff) << 24) | \ - ((u32_t)((b) & 0xff) << 16) | \ - ((u32_t)((c) & 0xff) << 8) | \ - (u32_t)((d) & 0xff)) - -#define ip_addr_set(dest, src) (dest)->addr = \ - ((src) == NULL? 0:\ - (src)->addr) -/** - * Determine if two address are on the same network. - * - * @arg addr1 IP address 1 - * @arg addr2 IP address 2 - * @arg mask network identifier mask - * @return !0 if the network identifiers of both address match - */ -#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \ - (mask)->addr) == \ - ((addr2)->addr & \ - (mask)->addr)) -#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr) - -#define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == 0) - -u8_t ip_addr_isbroadcast(struct ip_addr *, struct netif *); - -#define ip_addr_ismulticast(addr1) (((addr1)->addr & ntohl(0xf0000000UL)) == ntohl(0xe0000000UL)) - -#define ip_addr_islinklocal(addr1) (((addr1)->addr & ntohl(0xffff0000UL)) == ntohl(0xa9fe0000UL)) - -#define ip_addr_debug_print(debug, ipaddr) \ - LWIP_DEBUGF(debug, ("%"U16_F".%"U16_F".%"U16_F".%"U16_F, \ - ipaddr != NULL ? \ - (u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff : 0, \ - ipaddr != NULL ? \ - (u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff : 0, \ - ipaddr != NULL ? \ - (u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff : 0, \ - ipaddr != NULL ? \ - (u16_t)ntohl((ipaddr)->addr) & 0xff : 0)) - -/* These are cast to u16_t, with the intent that they are often arguments - * to printf using the U16_F format from cc.h. */ -#define ip4_addr1(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff) -#define ip4_addr2(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff) -#define ip4_addr3(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff) -#define ip4_addr4(ipaddr) ((u16_t)(ntohl((ipaddr)->addr)) & 0xff) - -/** - * Same as inet_ntoa() but takes a struct ip_addr* - */ -#define ip_ntoa(addr) ((addr != NULL) ? inet_ntoa(*((struct in_addr*)(addr))) : "NULL") - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_ADDR_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_frag.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_frag.h deleted file mode 100644 index adc6e91..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/ipv4/lwip/ip_frag.h +++ /dev/null @@ -1,78 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Jani Monoses <jani@iv.ro> - * - */ - -#ifndef __LWIP_IP_FRAG_H__ -#define __LWIP_IP_FRAG_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/ip_addr.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if IP_REASSEMBLY -/* The IP reassembly timer interval in milliseconds. */ -#define IP_TMR_INTERVAL 1000 - -/* IP reassembly helper struct. - * This is exported because memp needs to know the size. - */ -struct ip_reassdata { - struct ip_reassdata *next; - struct pbuf *p; - struct ip_hdr iphdr; - u16_t datagram_len; - u8_t flags; - u8_t timer; -}; - -void ip_reass_init(void); -void ip_reass_tmr(void); -struct pbuf * ip_reass(struct pbuf *p); -#endif /* IP_REASSEMBLY */ - -#if IP_FRAG -err_t ip_frag(struct pbuf *p, struct netif *netif, struct ip_addr *dest); -#endif /* IP_FRAG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_IP_FRAG_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api.h deleted file mode 100644 index 7d2c9e6..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api.h +++ /dev/null @@ -1,224 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_API_H__ -#define __LWIP_API_H__ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include <stddef.h> /* for size_t */ - -#include "lwip/netbuf.h" -#include "lwip/sys.h" -#include "lwip/ip_addr.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Throughout this file, IP addresses and port numbers are expected to be in - * the same byte order as in the corresponding pcb. - */ - -/* Flags for netconn_write */ -#define NETCONN_NOFLAG 0x00 -#define NETCONN_NOCOPY 0x00 /* Only for source code compatibility */ -#define NETCONN_COPY 0x01 -#define NETCONN_MORE 0x02 - -/* Helpers to process several netconn_types by the same code */ -#define NETCONNTYPE_GROUP(t) (t&0xF0) -#define NETCONNTYPE_DATAGRAM(t) (t&0xE0) - -enum netconn_type { - NETCONN_INVALID = 0, - /* NETCONN_TCP Group */ - NETCONN_TCP = 0x10, - /* NETCONN_UDP Group */ - NETCONN_UDP = 0x20, - NETCONN_UDPLITE = 0x21, - NETCONN_UDPNOCHKSUM= 0x22, - /* NETCONN_RAW Group */ - NETCONN_RAW = 0x40 -}; - -enum netconn_state { - NETCONN_NONE, - NETCONN_WRITE, - NETCONN_LISTEN, - NETCONN_CONNECT, - NETCONN_CLOSE -}; - -enum netconn_evt { - NETCONN_EVT_RCVPLUS, - NETCONN_EVT_RCVMINUS, - NETCONN_EVT_SENDPLUS, - NETCONN_EVT_SENDMINUS -}; - -#if LWIP_IGMP -enum netconn_igmp { - NETCONN_JOIN, - NETCONN_LEAVE -}; -#endif /* LWIP_IGMP */ - -/* forward-declare some structs to avoid to include their headers */ -struct ip_pcb; -struct tcp_pcb; -struct udp_pcb; -struct raw_pcb; -struct netconn; - -/** A callback prototype to inform about events for a netconn */ -typedef void (* netconn_callback)(struct netconn *, enum netconn_evt, u16_t len); - -/** A netconn descriptor */ -struct netconn { - /** type of the netconn (TCP, UDP or RAW) */ - enum netconn_type type; - /** current state of the netconn */ - enum netconn_state state; - /** the lwIP internal protocol control block */ - union { - struct ip_pcb *ip; - struct tcp_pcb *tcp; - struct udp_pcb *udp; - struct raw_pcb *raw; - } pcb; - /** the last error this netconn had */ - err_t err; - /** sem that is used to synchroneously execute functions in the core context */ - sys_sem_t op_completed; - /** mbox where received packets are stored until they are fetched - by the netconn application thread (can grow quite big) */ - sys_mbox_t recvmbox; - /** mbox where new connections are stored until processed - by the application thread */ - sys_mbox_t acceptmbox; - /** only used for socket layer */ - int socket; -#if LWIP_SO_RCVTIMEO - /** timeout to wait for new data to be received - (or connections to arrive for listening netconns) */ - int recv_timeout; -#endif /* LWIP_SO_RCVTIMEO */ -#if LWIP_SO_RCVBUF - /** maximum amount of bytes queued in recvmbox */ - int recv_bufsize; -#endif /* LWIP_SO_RCVBUF */ - s16_t recv_avail; -#if LWIP_TCP - /** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores the message. */ - struct api_msg_msg *write_msg; - /** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores how much is already sent. */ - size_t write_offset; -#if LWIP_TCPIP_CORE_LOCKING - /** TCP: when data passed to netconn_write doesn't fit into the send buffer, - this temporarily stores whether to wake up the original application task - if data couldn't be sent in the first try. */ - u8_t write_delayed; -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_TCP */ - /** A callback function that is informed about events for this netconn */ - netconn_callback callback; -}; - -/* Register an Network connection event */ -#define API_EVENT(c,e,l) if (c->callback) { \ - (*c->callback)(c, e, l); \ - } - -/* Network connection functions: */ -#define netconn_new(t) netconn_new_with_proto_and_callback(t, 0, NULL) -#define netconn_new_with_callback(t, c) netconn_new_with_proto_and_callback(t, 0, c) -struct -netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u8_t proto, - netconn_callback callback); -err_t netconn_delete (struct netconn *conn); -/** Get the type of a netconn (as enum netconn_type). */ -#define netconn_type(conn) (conn->type) - -err_t netconn_getaddr (struct netconn *conn, - struct ip_addr *addr, - u16_t *port, - u8_t local); -#define netconn_peer(c,i,p) netconn_getaddr(c,i,p,0) -#define netconn_addr(c,i,p) netconn_getaddr(c,i,p,1) - -err_t netconn_bind (struct netconn *conn, - struct ip_addr *addr, - u16_t port); -err_t netconn_connect (struct netconn *conn, - struct ip_addr *addr, - u16_t port); -err_t netconn_disconnect (struct netconn *conn); -err_t netconn_listen_with_backlog(struct netconn *conn, u8_t backlog); -#define netconn_listen(conn) netconn_listen_with_backlog(conn, TCP_DEFAULT_LISTEN_BACKLOG) -struct netconn * netconn_accept (struct netconn *conn); -struct netbuf * netconn_recv (struct netconn *conn); -err_t netconn_sendto (struct netconn *conn, - struct netbuf *buf, struct ip_addr *addr, u16_t port); -err_t netconn_send (struct netconn *conn, - struct netbuf *buf); -err_t netconn_write (struct netconn *conn, - const void *dataptr, size_t size, - u8_t apiflags); -err_t netconn_close (struct netconn *conn); - -#if LWIP_IGMP -err_t netconn_join_leave_group (struct netconn *conn, - struct ip_addr *multiaddr, - struct ip_addr *interface, - enum netconn_igmp join_or_leave); -#endif /* LWIP_IGMP */ -#if LWIP_DNS -err_t netconn_gethostbyname(const char *name, struct ip_addr *addr); -#endif /* LWIP_DNS */ - -#define netconn_err(conn) ((conn)->err) -#define netconn_recv_bufsize(conn) ((conn)->recv_bufsize) - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETCONN */ - -#endif /* __LWIP_API_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api_msg.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api_msg.h deleted file mode 100644 index 7718d90..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/api_msg.h +++ /dev/null @@ -1,164 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_API_MSG_H__ -#define __LWIP_API_MSG_H__ - -#include "lwip/opt.h" - -#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */ - -#include <stddef.h> /* for size_t */ - -#include "lwip/ip_addr.h" -#include "lwip/err.h" -#include "lwip/sys.h" -#include "lwip/igmp.h" -#include "lwip/api.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* IP addresses and port numbers are expected to be in - * the same byte order as in the corresponding pcb. - */ -/** This struct includes everything that is necessary to execute a function - for a netconn in another thread context (mainly used to process netconns - in the tcpip_thread context to be thread safe). */ -struct api_msg_msg { - /** The netconn which to process - always needed: it includes the semaphore - which is used to block the application thread until the function finished. */ - struct netconn *conn; - /** Depending on the executed function, one of these union members is used */ - union { - /** used for do_send */ - struct netbuf *b; - /** used for do_newconn */ - struct { - u8_t proto; - } n; - /** used for do_bind and do_connect */ - struct { - struct ip_addr *ipaddr; - u16_t port; - } bc; - /** used for do_getaddr */ - struct { - struct ip_addr *ipaddr; - u16_t *port; - u8_t local; - } ad; - /** used for do_write */ - struct { - const void *dataptr; - size_t len; - u8_t apiflags; - } w; - /** used for do_recv */ - struct { - u16_t len; - } r; -#if LWIP_IGMP - /** used for do_join_leave_group */ - struct { - struct ip_addr *multiaddr; - struct ip_addr *interface; - enum netconn_igmp join_or_leave; - } jl; -#endif /* LWIP_IGMP */ -#if TCP_LISTEN_BACKLOG - struct { - u8_t backlog; - } lb; -#endif /* TCP_LISTEN_BACKLOG */ - } msg; -}; - -/** This struct contains a function to execute in another thread context and - a struct api_msg_msg that serves as an argument for this function. - This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */ -struct api_msg { - /** function to execute in tcpip_thread context */ - void (* function)(struct api_msg_msg *msg); - /** arguments for this function */ - struct api_msg_msg msg; -}; - -#if LWIP_DNS -/** As do_gethostbyname requires more arguments but doesn't require a netconn, - it has its own struct (to avoid struct api_msg getting bigger than necessary). - do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg - (see netconn_gethostbyname). */ -struct dns_api_msg { - /** Hostname to query or dotted IP address string */ - const char *name; - /** Rhe resolved address is stored here */ - struct ip_addr *addr; - /** This semaphore is posted when the name is resolved, the application thread - should wait on it. */ - sys_sem_t sem; - /** Errors are given back here */ - err_t *err; -}; -#endif /* LWIP_DNS */ - -void do_newconn ( struct api_msg_msg *msg); -void do_delconn ( struct api_msg_msg *msg); -void do_bind ( struct api_msg_msg *msg); -void do_connect ( struct api_msg_msg *msg); -void do_disconnect ( struct api_msg_msg *msg); -void do_listen ( struct api_msg_msg *msg); -void do_send ( struct api_msg_msg *msg); -void do_recv ( struct api_msg_msg *msg); -void do_write ( struct api_msg_msg *msg); -void do_getaddr ( struct api_msg_msg *msg); -void do_close ( struct api_msg_msg *msg); -#if LWIP_IGMP -void do_join_leave_group( struct api_msg_msg *msg); -#endif /* LWIP_IGMP */ - -#if LWIP_DNS -void do_gethostbyname(void *arg); -#endif /* LWIP_DNS */ - -struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback); -void netconn_free(struct netconn *conn); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETCONN */ - -#endif /* __LWIP_API_MSG_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/arch.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/arch.h deleted file mode 100644 index 5ab190a..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/arch.h +++ /dev/null @@ -1,235 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_ARCH_H__ -#define __LWIP_ARCH_H__ - -#ifndef LITTLE_ENDIAN -#define LITTLE_ENDIAN 1234 -#endif - -#ifndef BIG_ENDIAN -#define BIG_ENDIAN 4321 -#endif - -#include "arch/cc.h" - -/** Temporary: define format string for size_t if not defined in cc.h */ -#ifndef SZT_F -#define SZT_F U32_F -#endif /* SZT_F */ - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef PACK_STRUCT_BEGIN -#define PACK_STRUCT_BEGIN -#endif /* PACK_STRUCT_BEGIN */ - -#ifndef PACK_STRUCT_END -#define PACK_STRUCT_END -#endif /* PACK_STRUCT_END */ - -#ifndef PACK_STRUCT_FIELD -#define PACK_STRUCT_FIELD(x) x -#endif /* PACK_STRUCT_FIELD */ - - -#ifndef LWIP_UNUSED_ARG -#define LWIP_UNUSED_ARG(x) (void)x -#endif /* LWIP_UNUSED_ARG */ - - -#ifdef LWIP_PROVIDE_ERRNO - -#define EPERM 1 /* Operation not permitted */ -#define ENOENT 2 /* No such file or directory */ -#define ESRCH 3 /* No such process */ -#define EINTR 4 /* Interrupted system call */ -#define EIO 5 /* I/O error */ -#define ENXIO 6 /* No such device or address */ -#define E2BIG 7 /* Arg list too long */ -#define ENOEXEC 8 /* Exec format error */ -#define EBADF 9 /* Bad file number */ -#define ECHILD 10 /* No child processes */ -#define EAGAIN 11 /* Try again */ -#define ENOMEM 12 /* Out of memory */ -#define EACCES 13 /* Permission denied */ -#define EFAULT 14 /* Bad address */ -#define ENOTBLK 15 /* Block device required */ -#define EBUSY 16 /* Device or resource busy */ -#define EEXIST 17 /* File exists */ -#define EXDEV 18 /* Cross-device link */ -#define ENODEV 19 /* No such device */ -#define ENOTDIR 20 /* Not a directory */ -#define EISDIR 21 /* Is a directory */ -#define EINVAL 22 /* Invalid argument */ -#define ENFILE 23 /* File table overflow */ -#define EMFILE 24 /* Too many open files */ -#define ENOTTY 25 /* Not a typewriter */ -#define ETXTBSY 26 /* Text file busy */ -#define EFBIG 27 /* File too large */ -#define ENOSPC 28 /* No space left on device */ -#define ESPIPE 29 /* Illegal seek */ -#define EROFS 30 /* Read-only file system */ -#define EMLINK 31 /* Too many links */ -#define EPIPE 32 /* Broken pipe */ -#define EDOM 33 /* Math argument out of domain of func */ -#define ERANGE 34 /* Math result not representable */ -#define EDEADLK 35 /* Resource deadlock would occur */ -#define ENAMETOOLONG 36 /* File name too long */ -#define ENOLCK 37 /* No record locks available */ -#define ENOSYS 38 /* Function not implemented */ -#define ENOTEMPTY 39 /* Directory not empty */ -#define ELOOP 40 /* Too many symbolic links encountered */ -#define EWOULDBLOCK EAGAIN /* Operation would block */ -#define ENOMSG 42 /* No message of desired type */ -#define EIDRM 43 /* Identifier removed */ -#define ECHRNG 44 /* Channel number out of range */ -#define EL2NSYNC 45 /* Level 2 not synchronized */ -#define EL3HLT 46 /* Level 3 halted */ -#define EL3RST 47 /* Level 3 reset */ -#define ELNRNG 48 /* Link number out of range */ -#define EUNATCH 49 /* Protocol driver not attached */ -#define ENOCSI 50 /* No CSI structure available */ -#define EL2HLT 51 /* Level 2 halted */ -#define EBADE 52 /* Invalid exchange */ -#define EBADR 53 /* Invalid request descriptor */ -#define EXFULL 54 /* Exchange full */ -#define ENOANO 55 /* No anode */ -#define EBADRQC 56 /* Invalid request code */ -#define EBADSLT 57 /* Invalid slot */ - -#define EDEADLOCK EDEADLK - -#define EBFONT 59 /* Bad font file format */ -#define ENOSTR 60 /* Device not a stream */ -#define ENODATA 61 /* No data available */ -#define ETIME 62 /* Timer expired */ -#define ENOSR 63 /* Out of streams resources */ -#define ENONET 64 /* Machine is not on the network */ -#define ENOPKG 65 /* Package not installed */ -#define EREMOTE 66 /* Object is remote */ -#define ENOLINK 67 /* Link has been severed */ -#define EADV 68 /* Advertise error */ -#define ESRMNT 69 /* Srmount error */ -#define ECOMM 70 /* Communication error on send */ -#define EPROTO 71 /* Protocol error */ -#define EMULTIHOP 72 /* Multihop attempted */ -#define EDOTDOT 73 /* RFS specific error */ -#define EBADMSG 74 /* Not a data message */ -#define EOVERFLOW 75 /* Value too large for defined data type */ -#define ENOTUNIQ 76 /* Name not unique on network */ -#define EBADFD 77 /* File descriptor in bad state */ -#define EREMCHG 78 /* Remote address changed */ -#define ELIBACC 79 /* Can not access a needed shared library */ -#define ELIBBAD 80 /* Accessing a corrupted shared library */ -#define ELIBSCN 81 /* .lib section in a.out corrupted */ -#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ -#define ELIBEXEC 83 /* Cannot exec a shared library directly */ -#define EILSEQ 84 /* Illegal byte sequence */ -#define ERESTART 85 /* Interrupted system call should be restarted */ -#define ESTRPIPE 86 /* Streams pipe error */ -#define EUSERS 87 /* Too many users */ -#define ENOTSOCK 88 /* Socket operation on non-socket */ -#define EDESTADDRREQ 89 /* Destination address required */ -#define EMSGSIZE 90 /* Message too long */ -#define EPROTOTYPE 91 /* Protocol wrong type for socket */ -#define ENOPROTOOPT 92 /* Protocol not available */ -#define EPROTONOSUPPORT 93 /* Protocol not supported */ -#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ -#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ -#define EPFNOSUPPORT 96 /* Protocol family not supported */ -#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ -#define EADDRINUSE 98 /* Address already in use */ -#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ -#define ENETDOWN 100 /* Network is down */ -#define ENETUNREACH 101 /* Network is unreachable */ -#define ENETRESET 102 /* Network dropped connection because of reset */ -#define ECONNABORTED 103 /* Software caused connection abort */ -#define ECONNRESET 104 /* Connection reset by peer */ -#define ENOBUFS 105 /* No buffer space available */ -#define EISCONN 106 /* Transport endpoint is already connected */ -#define ENOTCONN 107 /* Transport endpoint is not connected */ -#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ -#define ETOOMANYREFS 109 /* Too many references: cannot splice */ -#define ETIMEDOUT 110 /* Connection timed out */ -#define ECONNREFUSED 111 /* Connection refused */ -#define EHOSTDOWN 112 /* Host is down */ -#define EHOSTUNREACH 113 /* No route to host */ -#define EALREADY 114 /* Operation already in progress */ -#define EINPROGRESS 115 /* Operation now in progress */ -#define ESTALE 116 /* Stale NFS file handle */ -#define EUCLEAN 117 /* Structure needs cleaning */ -#define ENOTNAM 118 /* Not a XENIX named type file */ -#define ENAVAIL 119 /* No XENIX semaphores available */ -#define EISNAM 120 /* Is a named type file */ -#define EREMOTEIO 121 /* Remote I/O error */ -#define EDQUOT 122 /* Quota exceeded */ - -#define ENOMEDIUM 123 /* No medium found */ -#define EMEDIUMTYPE 124 /* Wrong medium type */ - - -#define ENSROK 0 /* DNS server returned answer with no data */ -#define ENSRNODATA 160 /* DNS server returned answer with no data */ -#define ENSRFORMERR 161 /* DNS server claims query was misformatted */ -#define ENSRSERVFAIL 162 /* DNS server returned general failure */ -#define ENSRNOTFOUND 163 /* Domain name not found */ -#define ENSRNOTIMP 164 /* DNS server does not implement requested operation */ -#define ENSRREFUSED 165 /* DNS server refused query */ -#define ENSRBADQUERY 166 /* Misformatted DNS query */ -#define ENSRBADNAME 167 /* Misformatted domain name */ -#define ENSRBADFAMILY 168 /* Unsupported address family */ -#define ENSRBADRESP 169 /* Misformatted DNS reply */ -#define ENSRCONNREFUSED 170 /* Could not contact DNS servers */ -#define ENSRTIMEOUT 171 /* Timeout while contacting DNS servers */ -#define ENSROF 172 /* End of file */ -#define ENSRFILE 173 /* Error reading file */ -#define ENSRNOMEM 174 /* Out of memory */ -#define ENSRDESTRUCTION 175 /* Application terminated lookup */ -#define ENSRQUERYDOMAINTOOLONG 176 /* Domain name is too long */ -#define ENSRCNAMELOOP 177 /* Domain name is too long */ - -#ifndef errno -extern int errno; -#endif - -#endif /* LWIP_PROVIDE_ERRNO */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ARCH_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/debug.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/debug.h deleted file mode 100644 index fb07607..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/debug.h +++ /dev/null @@ -1,100 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_DEBUG_H__ -#define __LWIP_DEBUG_H__ - -#include "lwip/arch.h" - -/** lower two bits indicate debug level - * - 0 all - * - 1 warning - * - 2 serious - * - 3 severe - */ -#define LWIP_DBG_LEVEL_ALL 0x00 -#define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */ -#define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */ -#define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */ -#define LWIP_DBG_LEVEL_SEVERE 0x03 -#define LWIP_DBG_MASK_LEVEL 0x03 - -/** flag for LWIP_DEBUGF to enable that debug message */ -#define LWIP_DBG_ON 0x80U -/** flag for LWIP_DEBUGF to disable that debug message */ -#define LWIP_DBG_OFF 0x00U - -/** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ -#define LWIP_DBG_TRACE 0x40U -/** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ -#define LWIP_DBG_STATE 0x20U -/** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ -#define LWIP_DBG_FRESH 0x10U -/** flag for LWIP_DEBUGF to halt after printing this debug message */ -#define LWIP_DBG_HALT 0x08U - -#ifndef LWIP_NOASSERT -#define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \ - LWIP_PLATFORM_ASSERT(message); } while(0) -#else /* LWIP_NOASSERT */ -#define LWIP_ASSERT(message, assertion) -#endif /* LWIP_NOASSERT */ - -/** if "expression" isn't true, then print "message" and execute "handler" expression */ -#ifndef LWIP_ERROR -#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \ - LWIP_PLATFORM_ASSERT(message); handler;}} while(0) -#endif /* LWIP_ERROR */ - -#ifdef LWIP_DEBUG -/** print debug message only if debug message type is enabled... - * AND is of correct type AND is at least LWIP_DBG_LEVEL - */ -#define LWIP_DEBUGF(debug, message) do { \ - if ( \ - ((debug) & LWIP_DBG_ON) && \ - ((debug) & LWIP_DBG_TYPES_ON) && \ - ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \ - LWIP_PLATFORM_DIAG(message); \ - if ((debug) & LWIP_DBG_HALT) { \ - while(1); \ - } \ - } \ - } while(0) - -#else /* LWIP_DEBUG */ -#define LWIP_DEBUGF(debug, message) -#endif /* LWIP_DEBUG */ - -#endif /* __LWIP_DEBUG_H__ */ - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/def.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/def.h deleted file mode 100644 index c3681ac..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/def.h +++ /dev/null @@ -1,49 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_DEF_H__ -#define __LWIP_DEF_H__ - -/* this might define NULL already */ -#include "lwip/arch.h" - -#define LWIP_MAX(x , y) (((x) > (y)) ? (x) : (y)) -#define LWIP_MIN(x , y) (((x) < (y)) ? (x) : (y)) - -#ifndef NULL -#define NULL ((void *)0) -#endif - - -#endif /* __LWIP_DEF_H__ */ - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dhcp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dhcp.h deleted file mode 100644 index 27a0ade..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dhcp.h +++ /dev/null @@ -1,248 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** @file - */ - -#ifndef __LWIP_DHCP_H__ -#define __LWIP_DHCP_H__ - -#include "lwip/opt.h" - -#if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/netif.h" -#include "lwip/udp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** period (in seconds) of the application calling dhcp_coarse_tmr() */ -#define DHCP_COARSE_TIMER_SECS 60 -/** period (in milliseconds) of the application calling dhcp_coarse_tmr() */ -#define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL) -/** period (in milliseconds) of the application calling dhcp_fine_tmr() */ -#define DHCP_FINE_TIMER_MSECS 500 - -struct dhcp -{ - /** transaction identifier of last sent request */ - u32_t xid; - /** our connection to the DHCP server */ - struct udp_pcb *pcb; - /** incoming msg */ - struct dhcp_msg *msg_in; - /** incoming msg options */ - void *options_in; - /** ingoing msg options length */ - u16_t options_in_len; - /** current DHCP state machine state */ - u8_t state; - /** retries of current request */ - u8_t tries; - - struct pbuf *p_out; /* pbuf of outcoming msg */ - struct dhcp_msg *msg_out; /* outgoing msg */ - u16_t options_out_len; /* outgoing msg options length */ - u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */ - u16_t t1_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */ - u16_t t2_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */ - struct ip_addr server_ip_addr; /* dhcp server address that offered this lease */ - struct ip_addr offered_ip_addr; - struct ip_addr offered_sn_mask; - struct ip_addr offered_gw_addr; - struct ip_addr offered_bc_addr; -#define DHCP_MAX_DNS 2 - u32_t dns_count; /* actual number of DNS servers obtained */ - struct ip_addr offered_dns_addr[DHCP_MAX_DNS]; /* DNS server addresses */ - - u32_t offered_t0_lease; /* lease period (in seconds) */ - u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */ - u32_t offered_t2_rebind; /* recommended rebind time (usually 66% of lease period) */ -#if LWIP_DHCP_AUTOIP_COOP - u8_t autoip_coop_state; -#endif -/** Patch #1308 - * TODO: See dhcp.c "TODO"s - */ -#if 0 - struct ip_addr offered_si_addr; - u8_t *boot_file_name; -#endif -}; - -/* MUST be compiled with "pack structs" or equivalent! */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** minimum set of fields of any DHCP message */ -struct dhcp_msg -{ - PACK_STRUCT_FIELD(u8_t op); - PACK_STRUCT_FIELD(u8_t htype); - PACK_STRUCT_FIELD(u8_t hlen); - PACK_STRUCT_FIELD(u8_t hops); - PACK_STRUCT_FIELD(u32_t xid); - PACK_STRUCT_FIELD(u16_t secs); - PACK_STRUCT_FIELD(u16_t flags); - PACK_STRUCT_FIELD(struct ip_addr ciaddr); - PACK_STRUCT_FIELD(struct ip_addr yiaddr); - PACK_STRUCT_FIELD(struct ip_addr siaddr); - PACK_STRUCT_FIELD(struct ip_addr giaddr); -#define DHCP_CHADDR_LEN 16U - PACK_STRUCT_FIELD(u8_t chaddr[DHCP_CHADDR_LEN]); -#define DHCP_SNAME_LEN 64U - PACK_STRUCT_FIELD(u8_t sname[DHCP_SNAME_LEN]); -#define DHCP_FILE_LEN 128U - PACK_STRUCT_FIELD(u8_t file[DHCP_FILE_LEN]); - PACK_STRUCT_FIELD(u32_t cookie); -#define DHCP_MIN_OPTIONS_LEN 68U -/** make sure user does not configure this too small */ -#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN)) -# undef DHCP_OPTIONS_LEN -#endif -/** allow this to be configured in lwipopts.h, but not too small */ -#if (!defined(DHCP_OPTIONS_LEN)) -/** set this to be sufficient for your options in outgoing DHCP msgs */ -# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN -#endif - PACK_STRUCT_FIELD(u8_t options[DHCP_OPTIONS_LEN]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -/** start DHCP configuration */ -err_t dhcp_start(struct netif *netif); -/** enforce early lease renewal (not needed normally)*/ -err_t dhcp_renew(struct netif *netif); -/** release the DHCP lease, usually called before dhcp_stop()*/ -err_t dhcp_release(struct netif *netif); -/** stop DHCP configuration */ -void dhcp_stop(struct netif *netif); -/** inform server of our manual IP address */ -void dhcp_inform(struct netif *netif); -/** Handle a possible change in the network configuration */ -void dhcp_network_changed(struct netif *netif); - -/** if enabled, check whether the offered IP address is not in use, using ARP */ -#if DHCP_DOES_ARP_CHECK -void dhcp_arp_reply(struct netif *netif, struct ip_addr *addr); -#endif - -/** to be called every minute */ -void dhcp_coarse_tmr(void); -/** to be called every half second */ -void dhcp_fine_tmr(void); - -/** DHCP message item offsets and length */ -#define DHCP_MSG_OFS (UDP_DATA_OFS) - #define DHCP_OP_OFS (DHCP_MSG_OFS + 0) - #define DHCP_HTYPE_OFS (DHCP_MSG_OFS + 1) - #define DHCP_HLEN_OFS (DHCP_MSG_OFS + 2) - #define DHCP_HOPS_OFS (DHCP_MSG_OFS + 3) - #define DHCP_XID_OFS (DHCP_MSG_OFS + 4) - #define DHCP_SECS_OFS (DHCP_MSG_OFS + 8) - #define DHCP_FLAGS_OFS (DHCP_MSG_OFS + 10) - #define DHCP_CIADDR_OFS (DHCP_MSG_OFS + 12) - #define DHCP_YIADDR_OFS (DHCP_MSG_OFS + 16) - #define DHCP_SIADDR_OFS (DHCP_MSG_OFS + 20) - #define DHCP_GIADDR_OFS (DHCP_MSG_OFS + 24) - #define DHCP_CHADDR_OFS (DHCP_MSG_OFS + 28) - #define DHCP_SNAME_OFS (DHCP_MSG_OFS + 44) - #define DHCP_FILE_OFS (DHCP_MSG_OFS + 108) -#define DHCP_MSG_LEN 236 - -#define DHCP_COOKIE_OFS (DHCP_MSG_OFS + DHCP_MSG_LEN) -#define DHCP_OPTIONS_OFS (DHCP_MSG_OFS + DHCP_MSG_LEN + 4) - -#define DHCP_CLIENT_PORT 68 -#define DHCP_SERVER_PORT 67 - -/** DHCP client states */ -#define DHCP_REQUESTING 1 -#define DHCP_INIT 2 -#define DHCP_REBOOTING 3 -#define DHCP_REBINDING 4 -#define DHCP_RENEWING 5 -#define DHCP_SELECTING 6 -#define DHCP_INFORMING 7 -#define DHCP_CHECKING 8 -#define DHCP_PERMANENT 9 -#define DHCP_BOUND 10 -/** not yet implemented #define DHCP_RELEASING 11 */ -#define DHCP_BACKING_OFF 12 -#define DHCP_OFF 13 - -/** AUTOIP cooperatation flags */ -#define DHCP_AUTOIP_COOP_STATE_OFF 0 -#define DHCP_AUTOIP_COOP_STATE_ON 1 - -#define DHCP_BOOTREQUEST 1 -#define DHCP_BOOTREPLY 2 - -#define DHCP_DISCOVER 1 -#define DHCP_OFFER 2 -#define DHCP_REQUEST 3 -#define DHCP_DECLINE 4 -#define DHCP_ACK 5 -#define DHCP_NAK 6 -#define DHCP_RELEASE 7 -#define DHCP_INFORM 8 - -#define DHCP_HTYPE_ETH 1 - -#define DHCP_HLEN_ETH 6 - -#define DHCP_BROADCAST_FLAG 15 -#define DHCP_BROADCAST_MASK (1 << DHCP_FLAG_BROADCAST) - -/** BootP options */ -#define DHCP_OPTION_PAD 0 -#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */ -#define DHCP_OPTION_ROUTER 3 -#define DHCP_OPTION_DNS_SERVER 6 -#define DHCP_OPTION_HOSTNAME 12 -#define DHCP_OPTION_IP_TTL 23 -#define DHCP_OPTION_MTU 26 -#define DHCP_OPTION_BROADCAST 28 -#define DHCP_OPTION_TCP_TTL 37 -#define DHCP_OPTION_END 255 - -/** DHCP options */ -#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */ -#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */ -#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */ - -#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */ -#define DHCP_OPTION_MESSAGE_TYPE_LEN 1 - - -#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */ -#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */ - -#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */ -#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2 - -#define DHCP_OPTION_T1 58 /* T1 renewal time */ -#define DHCP_OPTION_T2 59 /* T2 rebinding time */ -#define DHCP_OPTION_US 60 -#define DHCP_OPTION_CLIENT_ID 61 -#define DHCP_OPTION_TFTP_SERVERNAME 66 -#define DHCP_OPTION_BOOTFILE 67 - -/** possible combinations of overloading the file and sname fields with options */ -#define DHCP_OVERLOAD_NONE 0 -#define DHCP_OVERLOAD_FILE 1 -#define DHCP_OVERLOAD_SNAME 2 -#define DHCP_OVERLOAD_SNAME_FILE 3 - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_DHCP */ - -#endif /*__LWIP_DHCP_H__*/ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dns.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dns.h deleted file mode 100644 index c1b8ae0..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/dns.h +++ /dev/null @@ -1,99 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * lwip DNS resolver header file. - - * Author: Jim Pettinato - * April 2007 - - * ported from uIP resolv.c Copyright (c) 2002-2003, Adam Dunkels. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __LWIP_DNS_H__ -#define __LWIP_DNS_H__ - -#include "lwip/opt.h" - -#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */ - -/** DNS timer period */ -#define DNS_TMR_INTERVAL 1000 - -/** DNS field TYPE used for "Resource Records" */ -#define DNS_RRTYPE_A 1 /* a host address */ -#define DNS_RRTYPE_NS 2 /* an authoritative name server */ -#define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */ -#define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */ -#define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */ -#define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */ -#define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */ -#define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */ -#define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */ -#define DNS_RRTYPE_WKS 11 /* a well known service description */ -#define DNS_RRTYPE_PTR 12 /* a domain name pointer */ -#define DNS_RRTYPE_HINFO 13 /* host information */ -#define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */ -#define DNS_RRTYPE_MX 15 /* mail exchange */ -#define DNS_RRTYPE_TXT 16 /* text strings */ - -/** DNS field CLASS used for "Resource Records" */ -#define DNS_RRCLASS_IN 1 /* the Internet */ -#define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */ -#define DNS_RRCLASS_CH 3 /* the CHAOS class */ -#define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */ -#define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */ - -/** Callback which is invoked when a hostname is found. - * A function of this type must be implemented by the application using the DNS resolver. - * @param name pointer to the name that was looked up. - * @param ipaddr pointer to a struct ip_addr containing the IP address of the hostname, - * or NULL if the name could not be found (or on any other error). - * @param callback_arg a user-specified callback argument passed to dns_gethostbyname -*/ -typedef void (*dns_found_callback)(const char *name, struct ip_addr *ipaddr, void *callback_arg); - - -void dns_init(void); - -void dns_tmr(void); - -void dns_setserver(u8_t numdns, struct ip_addr *dnsserver); - -struct ip_addr dns_getserver(u8_t numdns); - -err_t dns_gethostbyname(const char *hostname, struct ip_addr *addr, - dns_found_callback found, void *callback_arg); - -#if DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC -int dns_local_removehost(const char *hostname, const struct ip_addr *addr); -err_t dns_local_addhost(const char *hostname, const struct ip_addr *addr); -#endif /* DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -#endif /* LWIP_DNS */ - -#endif /* __LWIP_DNS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/err.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/err.h deleted file mode 100644 index 792f276..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/err.h +++ /dev/null @@ -1,89 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_ERR_H__ -#define __LWIP_ERR_H__ - -#include "lwip/opt.h" -#include "lwip/arch.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** Define LWIP_ERR_T in cc.h if you want to use - * a different type for your platform (must be signed). */ -#ifdef LWIP_ERR_T -typedef LWIP_ERR_T err_t; -#else /* LWIP_ERR_T */ - typedef s8_t err_t; -#endif /* LWIP_ERR_T*/ - -/* Definitions for error constants. */ - -#define ERR_OK 0 /* No error, everything OK. */ -#define ERR_MEM -1 /* Out of memory error. */ -#define ERR_BUF -2 /* Buffer error. */ -#define ERR_TIMEOUT -3 /* Timeout. */ -#define ERR_RTE -4 /* Routing problem. */ - -#define ERR_IS_FATAL(e) ((e) < ERR_RTE) - -#define ERR_ABRT -5 /* Connection aborted. */ -#define ERR_RST -6 /* Connection reset. */ -#define ERR_CLSD -7 /* Connection closed. */ -#define ERR_CONN -8 /* Not connected. */ - -#define ERR_VAL -9 /* Illegal value. */ - -#define ERR_ARG -10 /* Illegal argument. */ - -#define ERR_USE -11 /* Address in use. */ - -#define ERR_IF -12 /* Low-level netif error */ -#define ERR_ISCONN -13 /* Already connected. */ - -#define ERR_INPROGRESS -14 /* Operation in progress */ - - -#ifdef LWIP_DEBUG -extern const char *lwip_strerr(err_t err); -#else -#define lwip_strerr(x) "" -#endif /* LWIP_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_ERR_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/init.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/init.h deleted file mode 100644 index a86e0d9..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/init.h +++ /dev/null @@ -1,74 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_INIT_H__ -#define __LWIP_INIT_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** X.x.x: Major version of the stack */ -#define LWIP_VERSION_MAJOR 1U -/** x.X.x: Minor version of the stack */ -#define LWIP_VERSION_MINOR 3U -/** x.x.X: Revision of the stack */ -#define LWIP_VERSION_REVISION 2U -/** For release candidates, this is set to 1..254 - * For official releases, this is set to 255 (LWIP_RC_RELEASE) - * For development versions (CVS), this is set to 0 (LWIP_RC_DEVELOPMENT) */ -#define LWIP_VERSION_RC 255U - -/** LWIP_VERSION_RC is set to LWIP_RC_RELEASE for official releases */ -#define LWIP_RC_RELEASE 255U -/** LWIP_VERSION_RC is set to LWIP_RC_DEVELOPMENT for CVS versions */ -#define LWIP_RC_DEVELOPMENT 0U - -#define LWIP_VERSION_IS_RELEASE (LWIP_VERSION_RC == LWIP_RC_RELEASE) -#define LWIP_VERSION_IS_DEVELOPMENT (LWIP_VERSION_RC == LWIP_RC_DEVELOPMENT) -#define LWIP_VERSION_IS_RC ((LWIP_VERSION_RC != LWIP_RC_RELEASE) && (LWIP_VERSION_RC != LWIP_RC_DEVELOPMENT)) - -/** Provides the version of the stack */ -#define LWIP_VERSION (LWIP_VERSION_MAJOR << 24 | LWIP_VERSION_MINOR << 16 | \ - LWIP_VERSION_REVISION << 8 | LWIP_VERSION_RC) - -/* Modules initialization */ -void lwip_init(void); - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_INIT_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/mem.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/mem.h deleted file mode 100644 index 327229e..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/mem.h +++ /dev/null @@ -1,109 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_MEM_H__ -#define __LWIP_MEM_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if MEM_LIBC_MALLOC - -#include <stddef.h> /* for size_t */ - -typedef size_t mem_size_t; - -/* aliases for C library malloc() */ -#define mem_init() -/* in case C library malloc() needs extra protection, - * allow these defines to be overridden. - */ -#ifndef mem_free -#define mem_free free -#endif -#ifndef mem_malloc -#define mem_malloc malloc -#endif -#ifndef mem_calloc -#define mem_calloc calloc -#endif -#ifndef mem_realloc -static void *mem_realloc(void *mem, mem_size_t size) -{ - LWIP_UNUSED_ARG(size); - return mem; -} -#endif -#else /* MEM_LIBC_MALLOC */ - -/* MEM_SIZE would have to be aligned, but using 64000 here instead of - * 65535 leaves some room for alignment... - */ -#if MEM_SIZE > 64000l -typedef u32_t mem_size_t; -#else -typedef u16_t mem_size_t; -#endif /* MEM_SIZE > 64000 */ - -#if MEM_USE_POOLS -/** mem_init is not used when using pools instead of a heap */ -#define mem_init() -/** mem_realloc is not used when using pools instead of a heap: - we can't free part of a pool element and don't want to copy the rest */ -#define mem_realloc(mem, size) (mem) -#else /* MEM_USE_POOLS */ -/* lwIP alternative malloc */ -void mem_init(void); -void *mem_realloc(void *mem, mem_size_t size); -#endif /* MEM_USE_POOLS */ -void *mem_malloc(mem_size_t size); -void *mem_calloc(mem_size_t count, mem_size_t size); -void mem_free(void *mem); -#endif /* MEM_LIBC_MALLOC */ - -#ifndef LWIP_MEM_ALIGN_SIZE -#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) -#endif - -#ifndef LWIP_MEM_ALIGN -#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_MEM_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp.h deleted file mode 100644 index 3de7bf9..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp.h +++ /dev/null @@ -1,118 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#ifndef __LWIP_MEMP_H__ -#define __LWIP_MEMP_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */ -typedef enum { -#define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name, -#include "lwip/memp_std.h" - MEMP_MAX -} memp_t; - -#if MEM_USE_POOLS -/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */ -typedef enum { - /* Get the first (via: - MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/ - MEMP_POOL_HELPER_FIRST = ((u8_t) -#define LWIP_MEMPOOL(name,num,size,desc) -#define LWIP_MALLOC_MEMPOOL_START 1 -#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0 -#define LWIP_MALLOC_MEMPOOL_END -#include "lwip/memp_std.h" - ) , - /* Get the last (via: - MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */ - MEMP_POOL_HELPER_LAST = ((u8_t) -#define LWIP_MEMPOOL(name,num,size,desc) -#define LWIP_MALLOC_MEMPOOL_START -#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size * -#define LWIP_MALLOC_MEMPOOL_END 1 -#include "lwip/memp_std.h" - ) -} memp_pool_helper_t; - -/* The actual start and stop values are here (cast them over) - We use this helper type and these defines so we can avoid using const memp_t values */ -#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST) -#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST) -#endif /* MEM_USE_POOLS */ - -#if MEMP_MEM_MALLOC || MEM_USE_POOLS -extern const u16_t memp_sizes[MEMP_MAX]; -#endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */ - -#if MEMP_MEM_MALLOC - -#include "mem.h" - -#define memp_init() -#define memp_malloc(type) mem_malloc(memp_sizes[type]) -#define memp_free(type, mem) mem_free(mem) - -#else /* MEMP_MEM_MALLOC */ - -#if MEM_USE_POOLS -/** This structure is used to save the pool one element came from. */ -struct memp_malloc_helper -{ - memp_t poolnr; -}; -#endif /* MEM_USE_POOLS */ - -void memp_init(void); - -#if MEMP_OVERFLOW_CHECK -void *memp_malloc_fn(memp_t type, const char* file, const int line); -#define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__) -#else -void *memp_malloc(memp_t type); -#endif -void memp_free(memp_t type, void *mem); - -#endif /* MEMP_MEM_MALLOC */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_MEMP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp_std.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp_std.h deleted file mode 100644 index d8d4945..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/memp_std.h +++ /dev/null @@ -1,104 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * SETUP: Make sure we define everything we will need. - * - * We have create three types of pools: - * 1) MEMPOOL - standard pools - * 2) MALLOC_MEMPOOL - to be used by mem_malloc in mem.c - * 3) PBUF_MEMPOOL - a mempool of pbuf's, so include space for the pbuf struct - * - * If the include'r doesn't require any special treatment of each of the types - * above, then will declare #2 & #3 to be just standard mempools. - */ -#ifndef LWIP_MALLOC_MEMPOOL -/* This treats "malloc pools" just like any other pool. - The pools are a little bigger to provide 'size' as the amount of user data. */ -#define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + sizeof(struct memp_malloc_helper)), "MALLOC_"#size) -#define LWIP_MALLOC_MEMPOOL_START -#define LWIP_MALLOC_MEMPOOL_END -#endif /* LWIP_MALLOC_MEMPOOL */ - -#ifndef LWIP_PBUF_MEMPOOL -/* This treats "pbuf pools" just like any other pool. - * Allocates buffers for a pbuf struct AND a payload size */ -#define LWIP_PBUF_MEMPOOL(name, num, payload, desc) LWIP_MEMPOOL(name, num, (MEMP_ALIGN_SIZE(sizeof(struct pbuf)) + MEMP_ALIGN_SIZE(payload)), desc) -#endif /* LWIP_PBUF_MEMPOOL */ - - -/* - * A list of internal pools used by LWIP. - * - * LWIP_MEMPOOL(pool_name, number_elements, element_size, pool_description) - * creates a pool name MEMP_pool_name. description is used in stats.c - */ -#if LWIP_RAW -LWIP_MEMPOOL(RAW_PCB, MEMP_NUM_RAW_PCB, sizeof(struct raw_pcb), "RAW_PCB") -#endif /* LWIP_RAW */ - -#if LWIP_UDP -LWIP_MEMPOOL(UDP_PCB, MEMP_NUM_UDP_PCB, sizeof(struct udp_pcb), "UDP_PCB") -#endif /* LWIP_UDP */ - -#if LWIP_TCP -LWIP_MEMPOOL(TCP_PCB, MEMP_NUM_TCP_PCB, sizeof(struct tcp_pcb), "TCP_PCB") -LWIP_MEMPOOL(TCP_PCB_LISTEN, MEMP_NUM_TCP_PCB_LISTEN, sizeof(struct tcp_pcb_listen), "TCP_PCB_LISTEN") -LWIP_MEMPOOL(TCP_SEG, MEMP_NUM_TCP_SEG, sizeof(struct tcp_seg), "TCP_SEG") -#endif /* LWIP_TCP */ - -#if IP_REASSEMBLY -LWIP_MEMPOOL(REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip_reassdata), "REASSDATA") -#endif /* IP_REASSEMBLY */ - -#if LWIP_NETCONN -LWIP_MEMPOOL(NETBUF, MEMP_NUM_NETBUF, sizeof(struct netbuf), "NETBUF") -LWIP_MEMPOOL(NETCONN, MEMP_NUM_NETCONN, sizeof(struct netconn), "NETCONN") -#endif /* LWIP_NETCONN */ - -#if NO_SYS==0 -LWIP_MEMPOOL(TCPIP_MSG_API, MEMP_NUM_TCPIP_MSG_API, sizeof(struct tcpip_msg), "TCPIP_MSG_API") -LWIP_MEMPOOL(TCPIP_MSG_INPKT,MEMP_NUM_TCPIP_MSG_INPKT, sizeof(struct tcpip_msg), "TCPIP_MSG_INPKT") -#endif /* NO_SYS==0 */ - -#if ARP_QUEUEING -LWIP_MEMPOOL(ARP_QUEUE, MEMP_NUM_ARP_QUEUE, sizeof(struct etharp_q_entry), "ARP_QUEUE") -#endif /* ARP_QUEUEING */ - -#if LWIP_IGMP -LWIP_MEMPOOL(IGMP_GROUP, MEMP_NUM_IGMP_GROUP, sizeof(struct igmp_group), "IGMP_GROUP") -#endif /* LWIP_IGMP */ - -#if NO_SYS==0 -LWIP_MEMPOOL(SYS_TIMEOUT, MEMP_NUM_SYS_TIMEOUT, sizeof(struct sys_timeo), "SYS_TIMEOUT") -#endif /* NO_SYS==0 */ - - -/* - * A list of pools of pbuf's used by LWIP. - * - * LWIP_PBUF_MEMPOOL(pool_name, number_elements, pbuf_payload_size, pool_description) - * creates a pool name MEMP_pool_name. description is used in stats.c - * This allocates enough space for the pbuf struct and a payload. - * (Example: pbuf_payload_size=0 allocates only size for the struct) - */ -LWIP_PBUF_MEMPOOL(PBUF, MEMP_NUM_PBUF, 0, "PBUF_REF/ROM") -LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE, PBUF_POOL_BUFSIZE, "PBUF_POOL") - - -/* - * Allow for user-defined pools; this must be explicitly set in lwipopts.h - * since the default is to NOT look for lwippools.h - */ -#if MEMP_USE_CUSTOM_POOLS -#include "lwippools.h" -#endif /* MEMP_USE_CUSTOM_POOLS */ - -/* - * REQUIRED CLEANUP: Clear up so we don't get "multiply defined" error later - * (#undef is ignored for something that is not defined) - */ -#undef LWIP_MEMPOOL -#undef LWIP_MALLOC_MEMPOOL -#undef LWIP_MALLOC_MEMPOOL_START -#undef LWIP_MALLOC_MEMPOOL_END -#undef LWIP_PBUF_MEMPOOL diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netbuf.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netbuf.h deleted file mode 100644 index ab9ea33..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netbuf.h +++ /dev/null @@ -1,88 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_NETBUF_H__ -#define __LWIP_NETBUF_H__ - -#include "lwip/opt.h" -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct netbuf { - struct pbuf *p, *ptr; - struct ip_addr *addr; - u16_t port; -#if LWIP_NETBUF_RECVINFO - struct ip_addr *toaddr; - u16_t toport; -#endif /* LWIP_NETBUF_RECVINFO */ -}; - -/* Network buffer functions: */ -struct netbuf * netbuf_new (void); -void netbuf_delete (struct netbuf *buf); -void * netbuf_alloc (struct netbuf *buf, u16_t size); -void netbuf_free (struct netbuf *buf); -err_t netbuf_ref (struct netbuf *buf, - const void *dataptr, u16_t size); -void netbuf_chain (struct netbuf *head, - struct netbuf *tail); - -u16_t netbuf_len (struct netbuf *buf); -err_t netbuf_data (struct netbuf *buf, - void **dataptr, u16_t *len); -s8_t netbuf_next (struct netbuf *buf); -void netbuf_first (struct netbuf *buf); - - -#define netbuf_copy_partial(buf, dataptr, len, offset) \ - pbuf_copy_partial((buf)->p, (dataptr), (len), (offset)) -#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0) -#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len) -#define netbuf_len(buf) ((buf)->p->tot_len) -#define netbuf_fromaddr(buf) ((buf)->addr) -#define netbuf_fromport(buf) ((buf)->port) -#if LWIP_NETBUF_RECVINFO -#define netbuf_destaddr(buf) ((buf)->toaddr) -#define netbuf_destport(buf) ((buf)->toport) -#endif /* LWIP_NETBUF_RECVINFO */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_NETBUF_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netdb.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netdb.h deleted file mode 100644 index c59c3a4..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netdb.h +++ /dev/null @@ -1,113 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Simon Goldschmidt - * - */ - -#include "lwip/opt.h" - -#if LWIP_DNS && LWIP_SOCKET - -#include <stddef.h> /* for size_t */ - -#include "lwip/sockets.h" - -/* some rarely used options */ -#ifndef LWIP_DNS_API_DECLARE_H_ERRNO -#define LWIP_DNS_API_DECLARE_H_ERRNO 1 -#endif - -#ifndef LWIP_DNS_API_DEFINE_ERRORS -#define LWIP_DNS_API_DEFINE_ERRORS 1 -#endif - -#ifndef LWIP_DNS_API_DECLARE_STRUCTS -#define LWIP_DNS_API_DECLARE_STRUCTS 1 -#endif - -#if LWIP_DNS_API_DEFINE_ERRORS -/** Errors used by the DNS API functions, h_errno can be one of them */ -#define EAI_NONAME 200 -#define EAI_SERVICE 201 -#define EAI_FAIL 202 -#define EAI_MEMORY 203 - -#define HOST_NOT_FOUND 210 -#define NO_DATA 211 -#define NO_RECOVERY 212 -#define TRY_AGAIN 213 -#endif /* LWIP_DNS_API_DEFINE_ERRORS */ - -#if LWIP_DNS_API_DECLARE_STRUCTS -struct hostent { - char *h_name; /* Official name of the host. */ - char **h_aliases; /* A pointer to an array of pointers to alternative host names, - terminated by a null pointer. */ - int h_addrtype; /* Address type. */ - int h_length; /* The length, in bytes, of the address. */ - char **h_addr_list; /* A pointer to an array of pointers to network addresses (in - network byte order) for the host, terminated by a null pointer. */ -#define h_addr h_addr_list[0] /* for backward compatibility */ -}; - -struct addrinfo { - int ai_flags; /* Input flags. */ - int ai_family; /* Address family of socket. */ - int ai_socktype; /* Socket type. */ - int ai_protocol; /* Protocol of socket. */ - socklen_t ai_addrlen; /* Length of socket address. */ - struct sockaddr *ai_addr; /* Socket address of socket. */ - char *ai_canonname; /* Canonical name of service location. */ - struct addrinfo *ai_next; /* Pointer to next in list. */ -}; -#endif /* LWIP_DNS_API_DECLARE_STRUCTS */ - -#if LWIP_DNS_API_DECLARE_H_ERRNO -/* application accessable error code set by the DNS API functions */ -extern int h_errno; -#endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/ - -struct hostent *lwip_gethostbyname(const char *name); -int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf, - size_t buflen, struct hostent **result, int *h_errnop); -void lwip_freeaddrinfo(struct addrinfo *ai); -int lwip_getaddrinfo(const char *nodename, - const char *servname, - const struct addrinfo *hints, - struct addrinfo **res); - -#if LWIP_COMPAT_SOCKETS -#define gethostbyname(name) lwip_gethostbyname(name) -#define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \ - lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop) -#define freeaddrinfo(addrinfo) lwip_freeaddrinfo(addrinfo) -#define getaddrinfo(nodname, servname, hints, res) \ - lwip_getaddrinfo(nodname, servname, hints, res) -#endif /* LWIP_COMPAT_SOCKETS */ - -#endif /* LWIP_DNS && LWIP_SOCKET */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netif.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netif.h deleted file mode 100644 index 8e650d7..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netif.h +++ /dev/null @@ -1,265 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_NETIF_H__ -#define __LWIP_NETIF_H__ - -#include "lwip/opt.h" - -#define ENABLE_LOOPBACK (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF) - -#include "lwip/err.h" - -#include "lwip/ip_addr.h" - -#include "lwip/inet.h" -#include "lwip/pbuf.h" -#if LWIP_DHCP -struct dhcp; -#endif -#if LWIP_AUTOIP -struct autoip; -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* Throughout this file, IP addresses are expected to be in - * the same byte order as in IP_PCB. */ - -/** must be the maximum of all used hardware address lengths - across all types of interfaces in use */ -#define NETIF_MAX_HWADDR_LEN 6U - -/** TODO: define the use (where, when, whom) of netif flags */ - -/** whether the network interface is 'up'. this is - * a software flag used to control whether this network - * interface is enabled and processes traffic. - */ -#define NETIF_FLAG_UP 0x01U -/** if set, the netif has broadcast capability */ -#define NETIF_FLAG_BROADCAST 0x02U -/** if set, the netif is one end of a point-to-point connection */ -#define NETIF_FLAG_POINTTOPOINT 0x04U -/** if set, the interface is configured using DHCP */ -#define NETIF_FLAG_DHCP 0x08U -/** if set, the interface has an active link - * (set by the network interface driver) */ -#define NETIF_FLAG_LINK_UP 0x10U -/** if set, the netif is an device using ARP */ -#define NETIF_FLAG_ETHARP 0x20U -/** if set, the netif has IGMP capability */ -#define NETIF_FLAG_IGMP 0x40U - -/** Generic data structure used for all lwIP network interfaces. - * The following fields should be filled in by the initialization - * function for the device driver: hwaddr_len, hwaddr[], mtu, flags */ - -struct netif { - /** pointer to next in linked list */ - struct netif *next; - - /** IP address configuration in network byte order */ - struct ip_addr ip_addr; - struct ip_addr netmask; - struct ip_addr gw; - - /** This function is called by the network device driver - * to pass a packet up the TCP/IP stack. */ - err_t (* input)(struct pbuf *p, struct netif *inp); - /** This function is called by the IP module when it wants - * to send a packet on the interface. This function typically - * first resolves the hardware address, then sends the packet. */ - err_t (* output)(struct netif *netif, struct pbuf *p, - struct ip_addr *ipaddr); - /** This function is called by the ARP module when it wants - * to send a packet on the interface. This function outputs - * the pbuf as-is on the link medium. */ - err_t (* linkoutput)(struct netif *netif, struct pbuf *p); -#if LWIP_NETIF_STATUS_CALLBACK - /** This function is called when the netif state is set to up or down - */ - void (* status_callback)(struct netif *netif); -#endif /* LWIP_NETIF_STATUS_CALLBACK */ -#if LWIP_NETIF_LINK_CALLBACK - /** This function is called when the netif link is set to up or down - */ - void (* link_callback)(struct netif *netif); -#endif /* LWIP_NETIF_LINK_CALLBACK */ - /** This field can be set by the device driver and could point - * to state information for the device. */ - void *state; -#if LWIP_DHCP - /** the DHCP client state information for this netif */ - struct dhcp *dhcp; -#endif /* LWIP_DHCP */ -#if LWIP_AUTOIP - /** the AutoIP client state information for this netif */ - struct autoip *autoip; -#endif -#if LWIP_NETIF_HOSTNAME - /* the hostname for this netif, NULL is a valid value */ - char* hostname; -#endif /* LWIP_NETIF_HOSTNAME */ - /** maximum transfer unit (in bytes) */ - u16_t mtu; - /** number of bytes used in hwaddr */ - u8_t hwaddr_len; - /** link level hardware address of this interface */ - u8_t hwaddr[NETIF_MAX_HWADDR_LEN]; - /** flags (see NETIF_FLAG_ above) */ - u8_t flags; - /** descriptive abbreviation */ - char name[2]; - /** number of this interface */ - u8_t num; -#if LWIP_SNMP - /** link type (from "snmp_ifType" enum from snmp.h) */ - u8_t link_type; - /** (estimate) link speed */ - u32_t link_speed; - /** timestamp at last change made (up/down) */ - u32_t ts; - /** counters */ - u32_t ifinoctets; - u32_t ifinucastpkts; - u32_t ifinnucastpkts; - u32_t ifindiscards; - u32_t ifoutoctets; - u32_t ifoutucastpkts; - u32_t ifoutnucastpkts; - u32_t ifoutdiscards; -#endif /* LWIP_SNMP */ -#if LWIP_IGMP - /* This function could be called to add or delete a entry in the multicast filter table of the ethernet MAC.*/ - err_t (*igmp_mac_filter)( struct netif *netif, struct ip_addr *group, u8_t action); -#endif /* LWIP_IGMP */ -#if LWIP_NETIF_HWADDRHINT - u8_t *addr_hint; -#endif /* LWIP_NETIF_HWADDRHINT */ -#if ENABLE_LOOPBACK - /* List of packets to be queued for ourselves. */ - struct pbuf *loop_first; - struct pbuf *loop_last; -#if LWIP_LOOPBACK_MAX_PBUFS - u16_t loop_cnt_current; -#endif /* LWIP_LOOPBACK_MAX_PBUFS */ -#endif /* ENABLE_LOOPBACK */ -}; - -#if LWIP_SNMP -#define NETIF_INIT_SNMP(netif, type, speed) \ - /* use "snmp_ifType" enum from snmp.h for "type", snmp_ifType_ethernet_csmacd by example */ \ - netif->link_type = type; \ - /* your link speed here (units: bits per second) */ \ - netif->link_speed = speed; \ - netif->ts = 0; \ - netif->ifinoctets = 0; \ - netif->ifinucastpkts = 0; \ - netif->ifinnucastpkts = 0; \ - netif->ifindiscards = 0; \ - netif->ifoutoctets = 0; \ - netif->ifoutucastpkts = 0; \ - netif->ifoutnucastpkts = 0; \ - netif->ifoutdiscards = 0 -#else /* LWIP_SNMP */ -#define NETIF_INIT_SNMP(netif, type, speed) -#endif /* LWIP_SNMP */ - - -/** The list of network interfaces. */ -extern struct netif *netif_list; -/** The default network interface. */ -extern struct netif *netif_default; - -#define netif_init() /* Compatibility define, not init needed. */ - -struct netif *netif_add(struct netif *netif, struct ip_addr *ipaddr, struct ip_addr *netmask, - struct ip_addr *gw, - void *state, - err_t (* init)(struct netif *netif), - err_t (* input)(struct pbuf *p, struct netif *netif)); - -void -netif_set_addr(struct netif *netif,struct ip_addr *ipaddr, struct ip_addr *netmask, - struct ip_addr *gw); -void netif_remove(struct netif * netif); - -/* Returns a network interface given its name. The name is of the form - "et0", where the first two letters are the "name" field in the - netif structure, and the digit is in the num field in the same - structure. */ -struct netif *netif_find(char *name); - -void netif_set_default(struct netif *netif); - -void netif_set_ipaddr(struct netif *netif, struct ip_addr *ipaddr); -void netif_set_netmask(struct netif *netif, struct ip_addr *netmask); -void netif_set_gw(struct netif *netif, struct ip_addr *gw); - -void netif_set_up(struct netif *netif); -void netif_set_down(struct netif *netif); -u8_t netif_is_up(struct netif *netif); - -#if LWIP_NETIF_STATUS_CALLBACK -/* - * Set callback to be called when interface is brought up/down - */ -void netif_set_status_callback(struct netif *netif, void (* status_callback)(struct netif *netif)); -#endif /* LWIP_NETIF_STATUS_CALLBACK */ - -#if LWIP_NETIF_LINK_CALLBACK -void netif_set_link_up(struct netif *netif); -void netif_set_link_down(struct netif *netif); -u8_t netif_is_link_up(struct netif *netif); -/* - * Set callback to be called when link is brought up/down - */ -void netif_set_link_callback(struct netif *netif, void (* link_callback)(struct netif *netif)); -#endif /* LWIP_NETIF_LINK_CALLBACK */ - -#ifdef __cplusplus -} -#endif - -#if ENABLE_LOOPBACK -err_t netif_loop_output(struct netif *netif, struct pbuf *p, struct ip_addr *dest_ip); -void netif_poll(struct netif *netif); -#if !LWIP_NETIF_LOOPBACK_MULTITHREADING -void netif_poll_all(void); -#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */ -#endif /* ENABLE_LOOPBACK */ - -#endif /* __LWIP_NETIF_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netifapi.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netifapi.h deleted file mode 100644 index 22d8690..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/netifapi.h +++ /dev/null @@ -1,107 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -#ifndef __LWIP_NETIFAPI_H__ -#define __LWIP_NETIFAPI_H__ - -#include "lwip/opt.h" - -#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sys.h" -#include "lwip/netif.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct netifapi_msg_msg { -#if !LWIP_TCPIP_CORE_LOCKING - sys_sem_t sem; -#endif /* !LWIP_TCPIP_CORE_LOCKING */ - err_t err; - struct netif *netif; - union { - struct { - struct ip_addr *ipaddr; - struct ip_addr *netmask; - struct ip_addr *gw; - void *state; - err_t (* init) (struct netif *netif); - err_t (* input)(struct pbuf *p, struct netif *netif); - } add; - struct { - void (* voidfunc)(struct netif *netif); - err_t (* errtfunc)(struct netif *netif); - } common; - } msg; -}; - -struct netifapi_msg { - void (* function)(struct netifapi_msg_msg *msg); - struct netifapi_msg_msg msg; -}; - - -/* API for application */ -err_t netifapi_netif_add ( struct netif *netif, - struct ip_addr *ipaddr, - struct ip_addr *netmask, - struct ip_addr *gw, - void *state, - err_t (* init)(struct netif *netif), - err_t (* input)(struct pbuf *p, struct netif *netif) ); - -err_t netifapi_netif_set_addr ( struct netif *netif, - struct ip_addr *ipaddr, - struct ip_addr *netmask, - struct ip_addr *gw ); - -err_t netifapi_netif_common ( struct netif *netif, - void (* voidfunc)(struct netif *netif), - err_t (* errtfunc)(struct netif *netif) ); - -#define netifapi_netif_remove(n) netifapi_netif_common(n, netif_remove, NULL) -#define netifapi_netif_set_up(n) netifapi_netif_common(n, netif_set_up, NULL) -#define netifapi_netif_set_down(n) netifapi_netif_common(n, netif_set_down, NULL) -#define netifapi_netif_set_default(n) netifapi_netif_common(n, netif_set_default, NULL) -#define netifapi_dhcp_start(n) netifapi_netif_common(n, NULL, dhcp_start) -#define netifapi_dhcp_stop(n) netifapi_netif_common(n, dhcp_stop, NULL) -#define netifapi_autoip_start(n) netifapi_netif_common(n, NULL, autoip_start) -#define netifapi_autoip_stop(n) netifapi_netif_common(n, NULL, autoip_stop) - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_NETIF_API */ - -#endif /* __LWIP_NETIFAPI_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/opt.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/opt.h deleted file mode 100644 index a7cdbd8..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/opt.h +++ /dev/null @@ -1,1842 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * - * lwIP Options Configuration - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_OPT_H__ -#define __LWIP_OPT_H__ - -/* - * Include user defined options first. Anything not defined in these files - * will be set to standard values. Override anything you dont like! - */ -#include "lwipopts.h" -#include "lwip/debug.h" - -/* - ----------------------------------------------- - ---------- Platform specific locking ---------- - ----------------------------------------------- -*/ - -/** - * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain - * critical regions during buffer allocation, deallocation and memory - * allocation and deallocation. - */ -#ifndef SYS_LIGHTWEIGHT_PROT -#define SYS_LIGHTWEIGHT_PROT 0 -#endif - -/** - * NO_SYS==1: Provides VERY minimal functionality. Otherwise, - * use lwIP facilities. - */ -#ifndef NO_SYS -#define NO_SYS 0 -#endif - -/** - * MEMCPY: override this if you have a faster implementation at hand than the - * one included in your C library - */ -#ifndef MEMCPY -#define MEMCPY(dst,src,len) memcpy(dst,src,len) -#endif - -/** - * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a - * call to memcpy() if the length is known at compile time and is small. - */ -#ifndef SMEMCPY -#define SMEMCPY(dst,src,len) memcpy(dst,src,len) -#endif - -/* - ------------------------------------ - ---------- Memory options ---------- - ------------------------------------ -*/ -/** - * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library - * instead of the lwip internal allocator. Can save code size if you - * already use it. - */ -#ifndef MEM_LIBC_MALLOC -#define MEM_LIBC_MALLOC 0 -#endif - -/** -* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. -* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution -* speed and usage from interrupts! -*/ -#ifndef MEMP_MEM_MALLOC -#define MEMP_MEM_MALLOC 0 -#endif - -/** - * MEM_ALIGNMENT: should be set to the alignment of the CPU - * 4 byte alignment -> #define MEM_ALIGNMENT 4 - * 2 byte alignment -> #define MEM_ALIGNMENT 2 - */ -#ifndef MEM_ALIGNMENT -#define MEM_ALIGNMENT 1 -#endif - -/** - * MEM_SIZE: the size of the heap memory. If the application will send - * a lot of data that needs to be copied, this should be set high. - */ -#ifndef MEM_SIZE -#define MEM_SIZE 1600 -#endif - -/** - * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable - * amount of bytes before and after each memp element in every pool and fills - * it with a prominent default value. - * MEMP_OVERFLOW_CHECK == 0 no checking - * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed - * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time - * memp_malloc() or memp_free() is called (useful but slow!) - */ -#ifndef MEMP_OVERFLOW_CHECK -#define MEMP_OVERFLOW_CHECK 0 -#endif - -/** - * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make - * sure that there are no cycles in the linked lists. - */ -#ifndef MEMP_SANITY_CHECK -#define MEMP_SANITY_CHECK 0 -#endif - -/** - * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set - * of memory pools of various sizes. When mem_malloc is called, an element of - * the smallest pool that can provide the length needed is returned. - * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. - */ -#ifndef MEM_USE_POOLS -#define MEM_USE_POOLS 0 -#endif - -/** - * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next - * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more - * reliable. */ -#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL -#define MEM_USE_POOLS_TRY_BIGGER_POOL 0 -#endif - -/** - * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h - * that defines additional pools beyond the "standard" ones required - * by lwIP. If you set this to 1, you must have lwippools.h in your - * inlude path somewhere. - */ -#ifndef MEMP_USE_CUSTOM_POOLS -#define MEMP_USE_CUSTOM_POOLS 0 -#endif - -/** - * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from - * interrupt context (or another context that doesn't allow waiting for a - * semaphore). - * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, - * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs - * with each loop so that mem_free can run. - * - * ATTENTION: As you can see from the above description, this leads to dis-/ - * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc - * can need longer. - * - * If you don't want that, at least for NO_SYS=0, you can still use the following - * functions to enqueue a deallocation call which then runs in the tcpip_thread - * context: - * - pbuf_free_callback(p); - * - mem_free_callback(m); - */ -#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT -#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 -#endif - -/* - ------------------------------------------------ - ---------- Internal Memory Pool Sizes ---------- - ------------------------------------------------ -*/ -/** - * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). - * If the application sends a lot of data out of ROM (or other static memory), - * this should be set high. - */ -#ifndef MEMP_NUM_PBUF -#define MEMP_NUM_PBUF 16 -#endif - -/** - * MEMP_NUM_RAW_PCB: Number of raw connection PCBs - * (requires the LWIP_RAW option) - */ -#ifndef MEMP_NUM_RAW_PCB -#define MEMP_NUM_RAW_PCB 4 -#endif - -/** - * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One - * per active UDP "connection". - * (requires the LWIP_UDP option) - */ -#ifndef MEMP_NUM_UDP_PCB -#define MEMP_NUM_UDP_PCB 4 -#endif - -/** - * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB -#define MEMP_NUM_TCP_PCB 5 -#endif - -/** - * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_PCB_LISTEN -#define MEMP_NUM_TCP_PCB_LISTEN 8 -#endif - -/** - * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. - * (requires the LWIP_TCP option) - */ -#ifndef MEMP_NUM_TCP_SEG -#define MEMP_NUM_TCP_SEG 16 -#endif - -/** - * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for - * reassembly (whole packets, not fragments!) - */ -#ifndef MEMP_NUM_REASSDATA -#define MEMP_NUM_REASSDATA 5 -#endif - -/** - * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing - * packets (pbufs) that are waiting for an ARP request (to resolve - * their destination address) to finish. - * (requires the ARP_QUEUEING option) - */ -#ifndef MEMP_NUM_ARP_QUEUE -#define MEMP_NUM_ARP_QUEUE 30 -#endif - -/** - * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces - * can be members et the same time (one per netif - allsystems group -, plus one - * per netif membership). - * (requires the LWIP_IGMP option) - */ -#ifndef MEMP_NUM_IGMP_GROUP -#define MEMP_NUM_IGMP_GROUP 8 -#endif - -/** - * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. - * (requires NO_SYS==0) - */ -#ifndef MEMP_NUM_SYS_TIMEOUT -#define MEMP_NUM_SYS_TIMEOUT 3 -#endif - -/** - * MEMP_NUM_NETBUF: the number of struct netbufs. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETBUF -#define MEMP_NUM_NETBUF 2 -#endif - -/** - * MEMP_NUM_NETCONN: the number of struct netconns. - * (only needed if you use the sequential API, like api_lib.c) - */ -#ifndef MEMP_NUM_NETCONN -#define MEMP_NUM_NETCONN 4 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used - * for callback/timeout API communication. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_API -#define MEMP_NUM_TCPIP_MSG_API 8 -#endif - -/** - * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used - * for incoming packets. - * (only needed if you use tcpip.c) - */ -#ifndef MEMP_NUM_TCPIP_MSG_INPKT -#define MEMP_NUM_TCPIP_MSG_INPKT 8 -#endif - -/** - * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. - */ -#ifndef PBUF_POOL_SIZE -#define PBUF_POOL_SIZE 16 -#endif - -/* - --------------------------------- - ---------- ARP options ---------- - --------------------------------- -*/ -/** - * LWIP_ARP==1: Enable ARP functionality. - */ -#ifndef LWIP_ARP -#define LWIP_ARP 1 -#endif - -/** - * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. - */ -#ifndef ARP_TABLE_SIZE -#define ARP_TABLE_SIZE 10 -#endif - -/** - * ARP_QUEUEING==1: Outgoing packets are queued during hardware address - * resolution. - */ -#ifndef ARP_QUEUEING -#define ARP_QUEUEING 1 -#endif - -/** - * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be - * updated with the source MAC and IP addresses supplied in the packet. - * You may want to disable this if you do not trust LAN peers to have the - * correct addresses, or as a limited approach to attempt to handle - * spoofing. If disabled, lwIP will need to make a new ARP request if - * the peer is not already in the ARP table, adding a little latency. - */ -#ifndef ETHARP_TRUST_IP_MAC -#define ETHARP_TRUST_IP_MAC 1 -#endif - -/** - * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header. - * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. - * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. - * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. - */ -#ifndef ETHARP_SUPPORT_VLAN -#define ETHARP_SUPPORT_VLAN 0 -#endif - -/* - -------------------------------- - ---------- IP options ---------- - -------------------------------- -*/ -/** - * IP_FORWARD==1: Enables the ability to forward IP packets across network - * interfaces. If you are going to run lwIP on a device with only one network - * interface, define this to 0. - */ -#ifndef IP_FORWARD -#define IP_FORWARD 0 -#endif - -/** - * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. - * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. - * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). - */ -#ifndef IP_OPTIONS_ALLOWED -#define IP_OPTIONS_ALLOWED 1 -#endif - -/** - * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that - * this option does not affect outgoing packet sizes, which can be controlled - * via IP_FRAG. - */ -#ifndef IP_REASSEMBLY -#define IP_REASSEMBLY 1 -#endif - -/** - * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note - * that this option does not affect incoming packet sizes, which can be - * controlled via IP_REASSEMBLY. - */ -#ifndef IP_FRAG -#define IP_FRAG 1 -#endif - -/** - * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) - * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived - * in this time, the whole packet is discarded. - */ -#ifndef IP_REASS_MAXAGE -#define IP_REASS_MAXAGE 3 -#endif - -/** - * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. - * Since the received pbufs are enqueued, be sure to configure - * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive - * packets even if the maximum amount of fragments is enqueued for reassembly! - */ -#ifndef IP_REASS_MAX_PBUFS -#define IP_REASS_MAX_PBUFS 10 -#endif - -/** - * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP - * fragmentation. Otherwise pbufs are allocated and reference the original - * packet data to be fragmented. - */ -#ifndef IP_FRAG_USES_STATIC_BUF -#define IP_FRAG_USES_STATIC_BUF 1 -#endif - -/** - * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer - * (requires IP_FRAG_USES_STATIC_BUF==1) - */ -#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) -#define IP_FRAG_MAX_MTU 1500 -#endif - -/** - * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. - */ -#ifndef IP_DEFAULT_TTL -#define IP_DEFAULT_TTL 255 -#endif - -/** - * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast - * filter per pcb on udp and raw send operations. To enable broadcast filter - * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. - */ -#ifndef IP_SOF_BROADCAST -#define IP_SOF_BROADCAST 0 -#endif - -/** - * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast - * filter on recv operations. - */ -#ifndef IP_SOF_BROADCAST_RECV -#define IP_SOF_BROADCAST_RECV 0 -#endif - -/* - ---------------------------------- - ---------- ICMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_ICMP==1: Enable ICMP module inside the IP stack. - * Be careful, disable that make your product non-compliant to RFC1122 - */ -#ifndef LWIP_ICMP -#define LWIP_ICMP 1 -#endif - -/** - * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. - */ -#ifndef ICMP_TTL -#define ICMP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) - */ -#ifndef LWIP_BROADCAST_PING -#define LWIP_BROADCAST_PING 0 -#endif - -/** - * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) - */ -#ifndef LWIP_MULTICAST_PING -#define LWIP_MULTICAST_PING 0 -#endif - -/* - --------------------------------- - ---------- RAW options ---------- - --------------------------------- -*/ -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef LWIP_RAW -#define LWIP_RAW 1 -#endif - -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#ifndef RAW_TTL -#define RAW_TTL (IP_DEFAULT_TTL) -#endif - -/* - ---------------------------------- - ---------- DHCP options ---------- - ---------------------------------- -*/ -/** - * LWIP_DHCP==1: Enable DHCP module. - */ -#ifndef LWIP_DHCP -#define LWIP_DHCP 0 -#endif - -/** - * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. - */ -#ifndef DHCP_DOES_ARP_CHECK -#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) -#endif - -/* - ------------------------------------ - ---------- AUTOIP options ---------- - ------------------------------------ -*/ -/** - * LWIP_AUTOIP==1: Enable AUTOIP module. - */ -#ifndef LWIP_AUTOIP -#define LWIP_AUTOIP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on - * the same interface at the same time. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP -#define LWIP_DHCP_AUTOIP_COOP 0 -#endif - -/** - * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes - * that should be sent before falling back on AUTOIP. This can be set - * as low as 1 to get an AutoIP address very quickly, but you should - * be prepared to handle a changing IP address when DHCP overrides - * AutoIP. - */ -#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES -#define LWIP_DHCP_AUTOIP_COOP_TRIES 9 -#endif - -/* - ---------------------------------- - ---------- SNMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP - * transport. - */ -#ifndef LWIP_SNMP -#define LWIP_SNMP 0 -#endif - -/** - * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will - * allow. At least one request buffer is required. - */ -#ifndef SNMP_CONCURRENT_REQUESTS -#define SNMP_CONCURRENT_REQUESTS 1 -#endif - -/** - * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap - * destination is required - */ -#ifndef SNMP_TRAP_DESTINATIONS -#define SNMP_TRAP_DESTINATIONS 1 -#endif - -/** - * SNMP_PRIVATE_MIB: - */ -#ifndef SNMP_PRIVATE_MIB -#define SNMP_PRIVATE_MIB 0 -#endif - -/** - * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not - * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). - * Unsafe requests are disabled by default! - */ -#ifndef SNMP_SAFE_REQUESTS -#define SNMP_SAFE_REQUESTS 1 -#endif - -/* - ---------------------------------- - ---------- IGMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_IGMP==1: Turn on IGMP module. - */ -#ifndef LWIP_IGMP -#define LWIP_IGMP 0 -#endif - -/* - ---------------------------------- - ---------- DNS options ----------- - ---------------------------------- -*/ -/** - * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS - * transport. - */ -#ifndef LWIP_DNS -#define LWIP_DNS 0 -#endif - -/** DNS maximum number of entries to maintain locally. */ -#ifndef DNS_TABLE_SIZE -#define DNS_TABLE_SIZE 4 -#endif - -/** DNS maximum host name length supported in the name table. */ -#ifndef DNS_MAX_NAME_LENGTH -#define DNS_MAX_NAME_LENGTH 256 -#endif - -/** The maximum of DNS servers */ -#ifndef DNS_MAX_SERVERS -#define DNS_MAX_SERVERS 2 -#endif - -/** DNS do a name checking between the query and the response. */ -#ifndef DNS_DOES_NAME_CHECK -#define DNS_DOES_NAME_CHECK 1 -#endif - -/** DNS use a local buffer if DNS_USES_STATIC_BUF=0, a static one if - DNS_USES_STATIC_BUF=1, or a dynamic one if DNS_USES_STATIC_BUF=2. - The buffer will be of size DNS_MSG_SIZE */ -#ifndef DNS_USES_STATIC_BUF -#define DNS_USES_STATIC_BUF 1 -#endif - -/** DNS message max. size. Default value is RFC compliant. */ -#ifndef DNS_MSG_SIZE -#define DNS_MSG_SIZE 512 -#endif - -/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, - * you have to define - * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} - * (an array of structs name/address, where address is an u32_t in network - * byte order). - * - * Instead, you can also use an external function: - * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name) - * that returns the IP address or INADDR_NONE if not found. - */ -#ifndef DNS_LOCAL_HOSTLIST -#define DNS_LOCAL_HOSTLIST 0 -#endif /* DNS_LOCAL_HOSTLIST */ - -/** If this is turned on, the local host-list can be dynamically changed - * at runtime. */ -#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC -#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 -#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ - -/* - --------------------------------- - ---------- UDP options ---------- - --------------------------------- -*/ -/** - * LWIP_UDP==1: Turn on UDP. - */ -#ifndef LWIP_UDP -#define LWIP_UDP 1 -#endif - -/** - * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) - */ -#ifndef LWIP_UDPLITE -#define LWIP_UDPLITE 0 -#endif - -/** - * UDP_TTL: Default Time-To-Live value. - */ -#ifndef UDP_TTL -#define UDP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. - */ -#ifndef LWIP_NETBUF_RECVINFO -#define LWIP_NETBUF_RECVINFO 0 -#endif - -/* - --------------------------------- - ---------- TCP options ---------- - --------------------------------- -*/ -/** - * LWIP_TCP==1: Turn on TCP. - */ -#ifndef LWIP_TCP -#define LWIP_TCP 1 -#endif - -/** - * TCP_TTL: Default Time-To-Live value. - */ -#ifndef TCP_TTL -#define TCP_TTL (IP_DEFAULT_TTL) -#endif - -/** - * TCP_WND: The size of a TCP window. This must be at least - * (2 * TCP_MSS) for things to work well - */ -#ifndef TCP_WND -#define TCP_WND (4 * TCP_MSS) -#endif - -/** - * TCP_MAXRTX: Maximum number of retransmissions of data segments. - */ -#ifndef TCP_MAXRTX -#define TCP_MAXRTX 12 -#endif - -/** - * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. - */ -#ifndef TCP_SYNMAXRTX -#define TCP_SYNMAXRTX 6 -#endif - -/** - * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. - * Define to 0 if your device is low on memory. - */ -#ifndef TCP_QUEUE_OOSEQ -#define TCP_QUEUE_OOSEQ (LWIP_TCP) -#endif - -/** - * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, - * you might want to increase this.) - * For the receive side, this MSS is advertised to the remote side - * when opening a connection. For the transmit size, this MSS sets - * an upper limit on the MSS advertised by the remote host. - */ -#ifndef TCP_MSS -#define TCP_MSS 536 -#endif - -/** - * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really - * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which - * reflects the available reassembly buffer size at the remote host) and the - * largest size permitted by the IP layer" (RFC 1122) - * Setting this to 1 enables code that checks TCP_MSS against the MTU of the - * netif used for a connection and limits the MSS if it would be too big otherwise. - */ -#ifndef TCP_CALCULATE_EFF_SEND_MSS -#define TCP_CALCULATE_EFF_SEND_MSS 1 -#endif - - -/** - * TCP_SND_BUF: TCP sender buffer space (bytes). - */ -#ifndef TCP_SND_BUF -#define TCP_SND_BUF 256 -#endif - -/** - * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least - * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. - */ -#ifndef TCP_SND_QUEUELEN -#define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS)) -#endif - -/** - * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than or equal - * to TCP_SND_BUF. It is the amount of space which must be available in the - * TCP snd_buf for select to return writable. - */ -#ifndef TCP_SNDLOWAT -#define TCP_SNDLOWAT ((TCP_SND_BUF)/2) -#endif - -/** - * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. - */ -#ifndef TCP_LISTEN_BACKLOG -#define TCP_LISTEN_BACKLOG 0 -#endif - -/** - * The maximum allowed backlog for TCP listen netconns. - * This backlog is used unless another is explicitly specified. - * 0xff is the maximum (u8_t). - */ -#ifndef TCP_DEFAULT_LISTEN_BACKLOG -#define TCP_DEFAULT_LISTEN_BACKLOG 0xff -#endif - -/** - * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. - */ -#ifndef LWIP_TCP_TIMESTAMPS -#define LWIP_TCP_TIMESTAMPS 0 -#endif - -/** - * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an - * explicit window update - */ -#ifndef TCP_WND_UPDATE_THRESHOLD -#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) -#endif - -/** - * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. - * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all - * events (accept, sent, etc) that happen in the system. - * LWIP_CALLBACK_API==1: The PCB callback function is called directly - * for the event. - */ -#ifndef LWIP_EVENT_API -#define LWIP_EVENT_API 0 -#define LWIP_CALLBACK_API 1 -#else -#define LWIP_EVENT_API 1 -#define LWIP_CALLBACK_API 0 -#endif - - -/* - ---------------------------------- - ---------- Pbuf options ---------- - ---------------------------------- -*/ -/** - * PBUF_LINK_HLEN: the number of bytes that should be allocated for a - * link level header. The default is 14, the standard value for - * Ethernet. - */ -#ifndef PBUF_LINK_HLEN -#define PBUF_LINK_HLEN 14 -#endif - -/** - * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is - * designed to accomodate single full size TCP frame in one pbuf, including - * TCP_MSS, IP header, and link header. - */ -#ifndef PBUF_POOL_BUFSIZE -#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) -#endif - -/* - ------------------------------------------------ - ---------- Network Interfaces options ---------- - ------------------------------------------------ -*/ -/** - * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname - * field. - */ -#ifndef LWIP_NETIF_HOSTNAME -#define LWIP_NETIF_HOSTNAME 0 -#endif - -/** - * LWIP_NETIF_API==1: Support netif api (in netifapi.c) - */ -#ifndef LWIP_NETIF_API -#define LWIP_NETIF_API 0 -#endif - -/** - * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface - * changes its up/down status (i.e., due to DHCP IP acquistion) - */ -#ifndef LWIP_NETIF_STATUS_CALLBACK -#define LWIP_NETIF_STATUS_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface - * whenever the link changes (i.e., link down) - */ -#ifndef LWIP_NETIF_LINK_CALLBACK -#define LWIP_NETIF_LINK_CALLBACK 0 -#endif - -/** - * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table - * indices) in struct netif. TCP and UDP can make use of this to prevent - * scanning the ARP table for every sent packet. While this is faster for big - * ARP tables or many concurrent connections, it might be counterproductive - * if you have a tiny ARP table or if there never are concurrent connections. - */ -#ifndef LWIP_NETIF_HWADDRHINT -#define LWIP_NETIF_HWADDRHINT 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP - * address equal to the netif IP address, looping them back up the stack. - */ -#ifndef LWIP_NETIF_LOOPBACK -#define LWIP_NETIF_LOOPBACK 0 -#endif - -/** - * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback - * sending for each netif (0 = disabled) - */ -#ifndef LWIP_LOOPBACK_MAX_PBUFS -#define LWIP_LOOPBACK_MAX_PBUFS 0 -#endif - -/** - * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in - * the system, as netifs must change how they behave depending on this setting - * for the LWIP_NETIF_LOOPBACK option to work. - * Setting this is needed to avoid reentering non-reentrant functions like - * tcp_input(). - * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a - * multithreaded environment like tcpip.c. In this case, netif->input() - * is called directly. - * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. - * The packets are put on a list and netif_poll() must be called in - * the main application loop. - */ -#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING -#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) -#endif - -/** - * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data - * to be sent into one single pbuf. This is for compatibility with DMA-enabled - * MACs that do not support scatter-gather. - * Beware that this might involve CPU-memcpy before transmitting that would not - * be needed without this flag! Use this only if you need to! - * - * @todo: TCP and IP-frag do not work with this, yet: - */ -#ifndef LWIP_NETIF_TX_SINGLE_PBUF -#define LWIP_NETIF_TX_SINGLE_PBUF 0 -#endif /* LWIP_NETIF_TX_SINGLE_PBUF */ - -/* - ------------------------------------ - ---------- LOOPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c - */ -#ifndef LWIP_HAVE_LOOPIF -#define LWIP_HAVE_LOOPIF 0 -#endif - -/* - ------------------------------------ - ---------- SLIPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c - */ -#ifndef LWIP_HAVE_SLIPIF -#define LWIP_HAVE_SLIPIF 0 -#endif - -/* - ------------------------------------ - ---------- Thread options ---------- - ------------------------------------ -*/ -/** - * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. - */ -#ifndef TCPIP_THREAD_NAME -#define TCPIP_THREAD_NAME "tcpip_thread" -#endif - -/** - * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_STACKSIZE -#define TCPIP_THREAD_STACKSIZE 0 -#endif - -/** - * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef TCPIP_THREAD_PRIO -#define TCPIP_THREAD_PRIO 1 -#endif - -/** - * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when tcpip_init is called. - */ -#ifndef TCPIP_MBOX_SIZE -#define TCPIP_MBOX_SIZE 0 -#endif - -/** - * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. - */ -#ifndef SLIPIF_THREAD_NAME -#define SLIPIF_THREAD_NAME "slipif_loop" -#endif - -/** - * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_STACKSIZE -#define SLIPIF_THREAD_STACKSIZE 0 -#endif - -/** - * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef SLIPIF_THREAD_PRIO -#define SLIPIF_THREAD_PRIO 1 -#endif - -/** - * PPP_THREAD_NAME: The name assigned to the pppMain thread. - */ -#ifndef PPP_THREAD_NAME -#define PPP_THREAD_NAME "pppMain" -#endif - -/** - * PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_STACKSIZE -#define PPP_THREAD_STACKSIZE 0 -#endif - -/** - * PPP_THREAD_PRIO: The priority assigned to the pppMain thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef PPP_THREAD_PRIO -#define PPP_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. - */ -#ifndef DEFAULT_THREAD_NAME -#define DEFAULT_THREAD_NAME "lwIP" -#endif - -/** - * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. - * The stack size value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_STACKSIZE -#define DEFAULT_THREAD_STACKSIZE 0 -#endif - -/** - * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. - * The priority value itself is platform-dependent, but is passed to - * sys_thread_new() when the thread is created. - */ -#ifndef DEFAULT_THREAD_PRIO -#define DEFAULT_THREAD_PRIO 1 -#endif - -/** - * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_RAW_RECVMBOX_SIZE -#define DEFAULT_RAW_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_UDP_RECVMBOX_SIZE -#define DEFAULT_UDP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a - * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed - * to sys_mbox_new() when the recvmbox is created. - */ -#ifndef DEFAULT_TCP_RECVMBOX_SIZE -#define DEFAULT_TCP_RECVMBOX_SIZE 0 -#endif - -/** - * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. - * The queue size value itself is platform-dependent, but is passed to - * sys_mbox_new() when the acceptmbox is created. - */ -#ifndef DEFAULT_ACCEPTMBOX_SIZE -#define DEFAULT_ACCEPTMBOX_SIZE 0 -#endif - -/* - ---------------------------------------------- - ---------- Sequential layer options ---------- - ---------------------------------------------- -*/ -/** - * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) - * Don't use it if you're not an active lwIP project member - */ -#ifndef LWIP_TCPIP_CORE_LOCKING -#define LWIP_TCPIP_CORE_LOCKING 0 -#endif - -/** - * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) - */ -#ifndef LWIP_NETCONN -#define LWIP_NETCONN 1 -#endif - -/* - ------------------------------------ - ---------- Socket options ---------- - ------------------------------------ -*/ -/** - * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) - */ -#ifndef LWIP_SOCKET -#define LWIP_SOCKET 1 -#endif - -/** - * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. - * (only used if you use sockets.c) - */ -#ifndef LWIP_COMPAT_SOCKETS -#define LWIP_COMPAT_SOCKETS 1 -#endif - -/** - * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. - * Disable this option if you use a POSIX operating system that uses the same - * names (read, write & close). (only used if you use sockets.c) - */ -#ifndef LWIP_POSIX_SOCKETS_IO_NAMES -#define LWIP_POSIX_SOCKETS_IO_NAMES 1 -#endif - -/** - * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT - * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set - * in seconds. (does not require sockets.c, and will affect tcp.c) - */ -#ifndef LWIP_TCP_KEEPALIVE -#define LWIP_TCP_KEEPALIVE 1 -#endif - -/** - * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. - */ -#ifndef LWIP_SO_RCVTIMEO -#define LWIP_SO_RCVTIMEO 0 -#endif - -/** - * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. - */ -#ifndef LWIP_SO_RCVBUF -#define LWIP_SO_RCVBUF 0 -#endif - -/** - * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. - */ -#ifndef RECV_BUFSIZE_DEFAULT -#define RECV_BUFSIZE_DEFAULT INT_MAX -#endif - -/** - * SO_REUSE==1: Enable SO_REUSEADDR and SO_REUSEPORT options. DO NOT USE! - */ -#ifndef SO_REUSE -#define SO_REUSE 0 -#endif - -/* - ---------------------------------------- - ---------- Statistics options ---------- - ---------------------------------------- -*/ -/** - * LWIP_STATS==1: Enable statistics collection in lwip_stats. - */ -#ifndef LWIP_STATS -#define LWIP_STATS 1 -#endif - -#if LWIP_STATS - -/** - * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. - */ -#ifndef LWIP_STATS_DISPLAY -#define LWIP_STATS_DISPLAY 0 -#endif - -/** - * LINK_STATS==1: Enable link stats. - */ -#ifndef LINK_STATS -#define LINK_STATS 1 -#endif - -/** - * ETHARP_STATS==1: Enable etharp stats. - */ -#ifndef ETHARP_STATS -#define ETHARP_STATS (LWIP_ARP) -#endif - -/** - * IP_STATS==1: Enable IP stats. - */ -#ifndef IP_STATS -#define IP_STATS 1 -#endif - -/** - * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is - * on if using either frag or reass. - */ -#ifndef IPFRAG_STATS -#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) -#endif - -/** - * ICMP_STATS==1: Enable ICMP stats. - */ -#ifndef ICMP_STATS -#define ICMP_STATS 1 -#endif - -/** - * IGMP_STATS==1: Enable IGMP stats. - */ -#ifndef IGMP_STATS -#define IGMP_STATS (LWIP_IGMP) -#endif - -/** - * UDP_STATS==1: Enable UDP stats. Default is on if - * UDP enabled, otherwise off. - */ -#ifndef UDP_STATS -#define UDP_STATS (LWIP_UDP) -#endif - -/** - * TCP_STATS==1: Enable TCP stats. Default is on if TCP - * enabled, otherwise off. - */ -#ifndef TCP_STATS -#define TCP_STATS (LWIP_TCP) -#endif - -/** - * MEM_STATS==1: Enable mem.c stats. - */ -#ifndef MEM_STATS -#define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) -#endif - -/** - * MEMP_STATS==1: Enable memp.c pool stats. - */ -#ifndef MEMP_STATS -#define MEMP_STATS (MEMP_MEM_MALLOC == 0) -#endif - -/** - * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). - */ -#ifndef SYS_STATS -#define SYS_STATS (NO_SYS == 0) -#endif - -#else - -#define LINK_STATS 0 -#define IP_STATS 0 -#define IPFRAG_STATS 0 -#define ICMP_STATS 0 -#define IGMP_STATS 0 -#define UDP_STATS 0 -#define TCP_STATS 0 -#define MEM_STATS 0 -#define MEMP_STATS 0 -#define SYS_STATS 0 -#define LWIP_STATS_DISPLAY 0 - -#endif /* LWIP_STATS */ - -/* - --------------------------------- - ---------- PPP options ---------- - --------------------------------- -*/ -/** - * PPP_SUPPORT==1: Enable PPP. - */ -#ifndef PPP_SUPPORT -#define PPP_SUPPORT 0 -#endif - -/** - * PPPOE_SUPPORT==1: Enable PPP Over Ethernet - */ -#ifndef PPPOE_SUPPORT -#define PPPOE_SUPPORT 0 -#endif - -/** - * PPPOS_SUPPORT==1: Enable PPP Over Serial - */ -#ifndef PPPOS_SUPPORT -#define PPPOS_SUPPORT PPP_SUPPORT -#endif - -#if PPP_SUPPORT - -/** - * NUM_PPP: Max PPP sessions. - */ -#ifndef NUM_PPP -#define NUM_PPP 1 -#endif - -/** - * PAP_SUPPORT==1: Support PAP. - */ -#ifndef PAP_SUPPORT -#define PAP_SUPPORT 0 -#endif - -/** - * CHAP_SUPPORT==1: Support CHAP. - */ -#ifndef CHAP_SUPPORT -#define CHAP_SUPPORT 0 -#endif - -/** - * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef MSCHAP_SUPPORT -#define MSCHAP_SUPPORT 0 -#endif - -/** - * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CBCP_SUPPORT -#define CBCP_SUPPORT 0 -#endif - -/** - * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! - */ -#ifndef CCP_SUPPORT -#define CCP_SUPPORT 0 -#endif - -/** - * VJ_SUPPORT==1: Support VJ header compression. - */ -#ifndef VJ_SUPPORT -#define VJ_SUPPORT 0 -#endif - -/** - * MD5_SUPPORT==1: Support MD5 (see also CHAP). - */ -#ifndef MD5_SUPPORT -#define MD5_SUPPORT 0 -#endif - -/* - * Timeouts - */ -#ifndef FSM_DEFTIMEOUT -#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef FSM_DEFMAXTERMREQS -#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXCONFREQS -#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ -#endif - -#ifndef FSM_DEFMAXNAKLOOPS -#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ -#endif - -#ifndef UPAP_DEFTIMEOUT -#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ -#endif - -#ifndef UPAP_DEFREQTIME -#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ -#endif - -#ifndef CHAP_DEFTIMEOUT -#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ -#endif - -#ifndef CHAP_DEFTRANSMITS -#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ -#endif - -/* Interval in seconds between keepalive echo requests, 0 to disable. */ -#ifndef LCP_ECHOINTERVAL -#define LCP_ECHOINTERVAL 0 -#endif - -/* Number of unanswered echo requests before failure. */ -#ifndef LCP_MAXECHOFAILS -#define LCP_MAXECHOFAILS 3 -#endif - -/* Max Xmit idle time (in jiffies) before resend flag char. */ -#ifndef PPP_MAXIDLEFLAG -#define PPP_MAXIDLEFLAG 100 -#endif - -/* - * Packet sizes - * - * Note - lcp shouldn't be allowed to negotiate stuff outside these - * limits. See lcp.h in the pppd directory. - * (XXX - these constants should simply be shared by lcp.c instead - * of living in lcp.h) - */ -#define PPP_MTU 1500 /* Default MTU (size of Info field) */ -#ifndef PPP_MAXMTU -/* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ -#define PPP_MAXMTU 1500 /* Largest MTU we allow */ -#endif -#define PPP_MINMTU 64 -#define PPP_MRU 1500 /* default MRU = max length of info field */ -#define PPP_MAXMRU 1500 /* Largest MRU we allow */ -#ifndef PPP_DEFMRU -#define PPP_DEFMRU 296 /* Try for this */ -#endif -#define PPP_MINMRU 128 /* No MRUs below this */ - -#ifndef MAXNAMELEN -#define MAXNAMELEN 256 /* max length of hostname or name for auth */ -#endif -#ifndef MAXSECRETLEN -#define MAXSECRETLEN 256 /* max length of password or secret */ -#endif - -#endif /* PPP_SUPPORT */ - -/* - -------------------------------------- - ---------- Checksum options ---------- - -------------------------------------- -*/ -/** - * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. - */ -#ifndef CHECKSUM_GEN_IP -#define CHECKSUM_GEN_IP 1 -#endif - -/** - * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. - */ -#ifndef CHECKSUM_GEN_UDP -#define CHECKSUM_GEN_UDP 1 -#endif - -/** - * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. - */ -#ifndef CHECKSUM_GEN_TCP -#define CHECKSUM_GEN_TCP 1 -#endif - -/** - * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. - */ -#ifndef CHECKSUM_CHECK_IP -#define CHECKSUM_CHECK_IP 1 -#endif - -/** - * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. - */ -#ifndef CHECKSUM_CHECK_UDP -#define CHECKSUM_CHECK_UDP 1 -#endif - -/** - * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. - */ -#ifndef CHECKSUM_CHECK_TCP -#define CHECKSUM_CHECK_TCP 1 -#endif - -/* - --------------------------------------- - ---------- Debugging options ---------- - --------------------------------------- -*/ -/** - * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is - * compared against this value. If it is smaller, then debugging - * messages are written. - */ -#ifndef LWIP_DBG_MIN_LEVEL -#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL -#endif - -/** - * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable - * debug messages of certain types. - */ -#ifndef LWIP_DBG_TYPES_ON -#define LWIP_DBG_TYPES_ON LWIP_DBG_ON -#endif - -/** - * ETHARP_DEBUG: Enable debugging in etharp.c. - */ -#ifndef ETHARP_DEBUG -#define ETHARP_DEBUG LWIP_DBG_OFF -#endif - -/** - * NETIF_DEBUG: Enable debugging in netif.c. - */ -#ifndef NETIF_DEBUG -#define NETIF_DEBUG LWIP_DBG_OFF -#endif - -/** - * PBUF_DEBUG: Enable debugging in pbuf.c. - */ -#ifndef PBUF_DEBUG -#define PBUF_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_LIB_DEBUG: Enable debugging in api_lib.c. - */ -#ifndef API_LIB_DEBUG -#define API_LIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * API_MSG_DEBUG: Enable debugging in api_msg.c. - */ -#ifndef API_MSG_DEBUG -#define API_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SOCKETS_DEBUG: Enable debugging in sockets.c. - */ -#ifndef SOCKETS_DEBUG -#define SOCKETS_DEBUG LWIP_DBG_OFF -#endif - -/** - * ICMP_DEBUG: Enable debugging in icmp.c. - */ -#ifndef ICMP_DEBUG -#define ICMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IGMP_DEBUG: Enable debugging in igmp.c. - */ -#ifndef IGMP_DEBUG -#define IGMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * INET_DEBUG: Enable debugging in inet.c. - */ -#ifndef INET_DEBUG -#define INET_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_DEBUG: Enable debugging for IP. - */ -#ifndef IP_DEBUG -#define IP_DEBUG LWIP_DBG_OFF -#endif - -/** - * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. - */ -#ifndef IP_REASS_DEBUG -#define IP_REASS_DEBUG LWIP_DBG_OFF -#endif - -/** - * RAW_DEBUG: Enable debugging in raw.c. - */ -#ifndef RAW_DEBUG -#define RAW_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEM_DEBUG: Enable debugging in mem.c. - */ -#ifndef MEM_DEBUG -#define MEM_DEBUG LWIP_DBG_OFF -#endif - -/** - * MEMP_DEBUG: Enable debugging in memp.c. - */ -#ifndef MEMP_DEBUG -#define MEMP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SYS_DEBUG: Enable debugging in sys.c. - */ -#ifndef SYS_DEBUG -#define SYS_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_DEBUG: Enable debugging for TCP. - */ -#ifndef TCP_DEBUG -#define TCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. - */ -#ifndef TCP_INPUT_DEBUG -#define TCP_INPUT_DEBUG LWIP_DBG_ON -#endif - -/** - * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. - */ -#ifndef TCP_FR_DEBUG -#define TCP_FR_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit - * timeout. - */ -#ifndef TCP_RTO_DEBUG -#define TCP_RTO_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. - */ -#ifndef TCP_CWND_DEBUG -#define TCP_CWND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. - */ -#ifndef TCP_WND_DEBUG -#define TCP_WND_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. - */ -#ifndef TCP_OUTPUT_DEBUG -#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. - */ -#ifndef TCP_RST_DEBUG -#define TCP_RST_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. - */ -#ifndef TCP_QLEN_DEBUG -#define TCP_QLEN_DEBUG LWIP_DBG_OFF -#endif - -/** - * UDP_DEBUG: Enable debugging in UDP. - */ -#ifndef UDP_DEBUG -#define UDP_DEBUG LWIP_DBG_OFF -#endif - -/** - * TCPIP_DEBUG: Enable debugging in tcpip.c. - */ -#ifndef TCPIP_DEBUG -#define TCPIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * PPP_DEBUG: Enable debugging for PPP. - */ -#ifndef PPP_DEBUG -#define PPP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SLIP_DEBUG: Enable debugging in slipif.c. - */ -#ifndef SLIP_DEBUG -#define SLIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * DHCP_DEBUG: Enable debugging in dhcp.c. - */ -#ifndef DHCP_DEBUG -#define DHCP_DEBUG LWIP_DBG_OFF -#endif - -/** - * AUTOIP_DEBUG: Enable debugging in autoip.c. - */ -#ifndef AUTOIP_DEBUG -#define AUTOIP_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. - */ -#ifndef SNMP_MSG_DEBUG -#define SNMP_MSG_DEBUG LWIP_DBG_OFF -#endif - -/** - * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. - */ -#ifndef SNMP_MIB_DEBUG -#define SNMP_MIB_DEBUG LWIP_DBG_OFF -#endif - -/** - * DNS_DEBUG: Enable debugging for DNS. - */ -#ifndef DNS_DEBUG -#define DNS_DEBUG LWIP_DBG_OFF -#endif - -#endif /* __LWIP_OPT_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/pbuf.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/pbuf.h deleted file mode 100644 index 8ca61b1..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/pbuf.h +++ /dev/null @@ -1,122 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#ifndef __LWIP_PBUF_H__ -#define __LWIP_PBUF_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define PBUF_TRANSPORT_HLEN 20 -#define PBUF_IP_HLEN 20 - -typedef enum { - PBUF_TRANSPORT, - PBUF_IP, - PBUF_LINK, - PBUF_RAW -} pbuf_layer; - -typedef enum { - PBUF_RAM, /* pbuf data is stored in RAM */ - PBUF_ROM, /* pbuf data is stored in ROM */ - PBUF_REF, /* pbuf comes from the pbuf pool */ - PBUF_POOL /* pbuf payload refers to RAM */ -} pbuf_type; - - -/** indicates this packet's data should be immediately passed to the application */ -#define PBUF_FLAG_PUSH 0x01U - -struct pbuf { - /** next pbuf in singly linked pbuf chain */ - struct pbuf *next; - - /** pointer to the actual data in the buffer */ - void *payload; - - /** - * total length of this buffer and all next buffers in chain - * belonging to the same packet. - * - * For non-queue packet chains this is the invariant: - * p->tot_len == p->len + (p->next? p->next->tot_len: 0) - */ - u16_t tot_len; - - /** length of this buffer */ - u16_t len; - - /** pbuf_type as u8_t instead of enum to save space */ - u8_t /*pbuf_type*/ type; - - /** misc flags */ - u8_t flags; - - /** - * the reference count always equals the number of pointers - * that refer to this pbuf. This can be pointers from an application, - * the stack itself, or pbuf->next pointers from a chain. - */ - u16_t ref; - -}; - -/* Initializes the pbuf module. This call is empty for now, but may not be in future. */ -#define pbuf_init() - -struct pbuf *pbuf_alloc(pbuf_layer l, u16_t size, pbuf_type type); -void pbuf_realloc(struct pbuf *p, u16_t size); -u8_t pbuf_header(struct pbuf *p, s16_t header_size); -void pbuf_ref(struct pbuf *p); -void pbuf_ref_chain(struct pbuf *p); -u8_t pbuf_free(struct pbuf *p); -u8_t pbuf_clen(struct pbuf *p); -void pbuf_cat(struct pbuf *head, struct pbuf *tail); -void pbuf_chain(struct pbuf *head, struct pbuf *tail); -struct pbuf *pbuf_dechain(struct pbuf *p); -err_t pbuf_copy(struct pbuf *p_to, struct pbuf *p_from); -u16_t pbuf_copy_partial(struct pbuf *p, void *dataptr, u16_t len, u16_t offset); -err_t pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len); -struct pbuf *pbuf_coalesce(struct pbuf *p, pbuf_layer layer); - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_PBUF_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/raw.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/raw.h deleted file mode 100644 index 545c433..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/raw.h +++ /dev/null @@ -1,99 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_RAW_H__ -#define __LWIP_RAW_H__ - -#include "lwip/opt.h" - -#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/inet.h" -#include "lwip/ip.h" -#include "lwip/ip_addr.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct raw_pcb { -/* Common members of all PCB types */ - IP_PCB; - - struct raw_pcb *next; - - u8_t protocol; - - /* receive callback function - * @param arg user supplied argument (raw_pcb.recv_arg) - * @param pcb the raw_pcb which received data - * @param p the packet buffer that was received - * @param addr the remote IP address from which the packet was received - * @return 1 if the packet was 'eaten' (aka. deleted), - * 0 if the packet lives on - * If returning 1, the callback is responsible for freeing the pbuf - * if it's not used any more. - */ - u8_t (* recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p, - struct ip_addr *addr); - /* user-supplied argument for the recv callback */ - void *recv_arg; -}; - -/* The following functions is the application layer interface to the - RAW code. */ -struct raw_pcb * raw_new (u8_t proto); -void raw_remove (struct raw_pcb *pcb); -err_t raw_bind (struct raw_pcb *pcb, struct ip_addr *ipaddr); -err_t raw_connect (struct raw_pcb *pcb, struct ip_addr *ipaddr); - -void raw_recv (struct raw_pcb *pcb, - u8_t (* recv)(void *arg, struct raw_pcb *pcb, - struct pbuf *p, - struct ip_addr *addr), - void *recv_arg); -err_t raw_sendto (struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr); -err_t raw_send (struct raw_pcb *pcb, struct pbuf *p); - -/* The following functions are the lower layer interface to RAW. */ -u8_t raw_input (struct pbuf *p, struct netif *inp); -#define raw_init() /* Compatibility define, not init needed. */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_RAW */ - -#endif /* __LWIP_RAW_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sio.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sio.h deleted file mode 100644 index 10eabcf..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sio.h +++ /dev/null @@ -1,143 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - */ - -/* - * This is the interface to the platform specific serial IO module - * It needs to be implemented by those platforms which need SLIP or PPP - */ - -#ifndef __SIO_H__ -#define __SIO_H__ - -#include "lwip/arch.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* If you want to define sio_fd_t elsewhere or differently, - define this in your cc.h file. */ -#ifndef __sio_fd_t_defined -typedef void * sio_fd_t; -#endif - -/* The following functions can be defined to something else in your cc.h file - or be implemented in your custom sio.c file. */ - -#ifndef sio_open -/** - * Opens a serial device for communication. - * - * @param devnum device number - * @return handle to serial device if successful, NULL otherwise - */ -sio_fd_t sio_open(u8_t devnum); -#endif - -#ifndef sio_send -/** - * Sends a single character to the serial device. - * - * @param c character to send - * @param fd serial device handle - * - * @note This function will block until the character can be sent. - */ -void sio_send(u8_t c, sio_fd_t fd); -#endif - -#ifndef sio_recv -/** - * Receives a single character from the serial device. - * - * @param fd serial device handle - * - * @note This function will block until a character is received. - */ -u8_t sio_recv(sio_fd_t fd); -#endif - -#ifndef sio_read -/** - * Reads from the serial device. - * - * @param fd serial device handle - * @param data pointer to data buffer for receiving - * @param len maximum length (in bytes) of data to receive - * @return number of bytes actually received - may be 0 if aborted by sio_read_abort - * - * @note This function will block until data can be received. The blocking - * can be cancelled by calling sio_read_abort(). - */ -u32_t sio_read(sio_fd_t fd, u8_t *data, u32_t len); -#endif - -#ifndef sio_tryread -/** - * Tries to read from the serial device. Same as sio_read but returns - * immediately if no data is available and never blocks. - * - * @param fd serial device handle - * @param data pointer to data buffer for receiving - * @param len maximum length (in bytes) of data to receive - * @return number of bytes actually received - */ -u32_t sio_tryread(sio_fd_t fd, u8_t *data, u32_t len); -#endif - -#ifndef sio_write -/** - * Writes to the serial device. - * - * @param fd serial device handle - * @param data pointer to data to send - * @param len length (in bytes) of data to send - * @return number of bytes actually sent - * - * @note This function will block until all data can be sent. - */ -u32_t sio_write(sio_fd_t fd, u8_t *data, u32_t len); -#endif - -#ifndef sio_read_abort -/** - * Aborts a blocking sio_read() call. - * - * @param fd serial device handle - */ -void sio_read_abort(sio_fd_t fd); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __SIO_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp.h deleted file mode 100644 index b87717f..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp.h +++ /dev/null @@ -1,366 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001, 2002 Leon Woestenberg <leon.woestenberg@axon.tv> - * Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Leon Woestenberg <leon.woestenberg@axon.tv> - * - */ -#ifndef __LWIP_SNMP_H__ -#define __LWIP_SNMP_H__ - -#include "lwip/opt.h" -#include "lwip/netif.h" -#include "lwip/udp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * @see RFC1213, "MIB-II, 6. Definitions" - */ -enum snmp_ifType { - snmp_ifType_other=1, /* none of the following */ - snmp_ifType_regular1822, - snmp_ifType_hdh1822, - snmp_ifType_ddn_x25, - snmp_ifType_rfc877_x25, - snmp_ifType_ethernet_csmacd, - snmp_ifType_iso88023_csmacd, - snmp_ifType_iso88024_tokenBus, - snmp_ifType_iso88025_tokenRing, - snmp_ifType_iso88026_man, - snmp_ifType_starLan, - snmp_ifType_proteon_10Mbit, - snmp_ifType_proteon_80Mbit, - snmp_ifType_hyperchannel, - snmp_ifType_fddi, - snmp_ifType_lapb, - snmp_ifType_sdlc, - snmp_ifType_ds1, /* T-1 */ - snmp_ifType_e1, /* european equiv. of T-1 */ - snmp_ifType_basicISDN, - snmp_ifType_primaryISDN, /* proprietary serial */ - snmp_ifType_propPointToPointSerial, - snmp_ifType_ppp, - snmp_ifType_softwareLoopback, - snmp_ifType_eon, /* CLNP over IP [11] */ - snmp_ifType_ethernet_3Mbit, - snmp_ifType_nsip, /* XNS over IP */ - snmp_ifType_slip, /* generic SLIP */ - snmp_ifType_ultra, /* ULTRA technologies */ - snmp_ifType_ds3, /* T-3 */ - snmp_ifType_sip, /* SMDS */ - snmp_ifType_frame_relay -}; - -#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */ - -/** SNMP "sysuptime" Interval */ -#define SNMP_SYSUPTIME_INTERVAL 10 - -/** fixed maximum length for object identifier type */ -#define LWIP_SNMP_OBJ_ID_LEN 32 - -/** internal object identifier representation */ -struct snmp_obj_id -{ - u8_t len; - s32_t id[LWIP_SNMP_OBJ_ID_LEN]; -}; - -/* system */ -void snmp_set_sysdesr(u8_t* str, u8_t* len); -void snmp_set_sysobjid(struct snmp_obj_id *oid); -void snmp_get_sysobjid_ptr(struct snmp_obj_id **oid); -void snmp_inc_sysuptime(void); -void snmp_add_sysuptime(u32_t value); -void snmp_get_sysuptime(u32_t *value); -void snmp_set_syscontact(u8_t *ocstr, u8_t *ocstrlen); -void snmp_set_sysname(u8_t *ocstr, u8_t *ocstrlen); -void snmp_set_syslocation(u8_t *ocstr, u8_t *ocstrlen); - -/* network interface */ -void snmp_add_ifinoctets(struct netif *ni, u32_t value); -void snmp_inc_ifinucastpkts(struct netif *ni); -void snmp_inc_ifinnucastpkts(struct netif *ni); -void snmp_inc_ifindiscards(struct netif *ni); -void snmp_add_ifoutoctets(struct netif *ni, u32_t value); -void snmp_inc_ifoutucastpkts(struct netif *ni); -void snmp_inc_ifoutnucastpkts(struct netif *ni); -void snmp_inc_ifoutdiscards(struct netif *ni); -void snmp_inc_iflist(void); -void snmp_dec_iflist(void); - -/* ARP (for atTable and ipNetToMediaTable) */ -void snmp_insert_arpidx_tree(struct netif *ni, struct ip_addr *ip); -void snmp_delete_arpidx_tree(struct netif *ni, struct ip_addr *ip); - -/* IP */ -void snmp_inc_ipinreceives(void); -void snmp_inc_ipinhdrerrors(void); -void snmp_inc_ipinaddrerrors(void); -void snmp_inc_ipforwdatagrams(void); -void snmp_inc_ipinunknownprotos(void); -void snmp_inc_ipindiscards(void); -void snmp_inc_ipindelivers(void); -void snmp_inc_ipoutrequests(void); -void snmp_inc_ipoutdiscards(void); -void snmp_inc_ipoutnoroutes(void); -void snmp_inc_ipreasmreqds(void); -void snmp_inc_ipreasmoks(void); -void snmp_inc_ipreasmfails(void); -void snmp_inc_ipfragoks(void); -void snmp_inc_ipfragfails(void); -void snmp_inc_ipfragcreates(void); -void snmp_inc_iproutingdiscards(void); -void snmp_insert_ipaddridx_tree(struct netif *ni); -void snmp_delete_ipaddridx_tree(struct netif *ni); -void snmp_insert_iprteidx_tree(u8_t dflt, struct netif *ni); -void snmp_delete_iprteidx_tree(u8_t dflt, struct netif *ni); - -/* ICMP */ -void snmp_inc_icmpinmsgs(void); -void snmp_inc_icmpinerrors(void); -void snmp_inc_icmpindestunreachs(void); -void snmp_inc_icmpintimeexcds(void); -void snmp_inc_icmpinparmprobs(void); -void snmp_inc_icmpinsrcquenchs(void); -void snmp_inc_icmpinredirects(void); -void snmp_inc_icmpinechos(void); -void snmp_inc_icmpinechoreps(void); -void snmp_inc_icmpintimestamps(void); -void snmp_inc_icmpintimestampreps(void); -void snmp_inc_icmpinaddrmasks(void); -void snmp_inc_icmpinaddrmaskreps(void); -void snmp_inc_icmpoutmsgs(void); -void snmp_inc_icmpouterrors(void); -void snmp_inc_icmpoutdestunreachs(void); -void snmp_inc_icmpouttimeexcds(void); -void snmp_inc_icmpoutparmprobs(void); -void snmp_inc_icmpoutsrcquenchs(void); -void snmp_inc_icmpoutredirects(void); -void snmp_inc_icmpoutechos(void); -void snmp_inc_icmpoutechoreps(void); -void snmp_inc_icmpouttimestamps(void); -void snmp_inc_icmpouttimestampreps(void); -void snmp_inc_icmpoutaddrmasks(void); -void snmp_inc_icmpoutaddrmaskreps(void); - -/* TCP */ -void snmp_inc_tcpactiveopens(void); -void snmp_inc_tcppassiveopens(void); -void snmp_inc_tcpattemptfails(void); -void snmp_inc_tcpestabresets(void); -void snmp_inc_tcpinsegs(void); -void snmp_inc_tcpoutsegs(void); -void snmp_inc_tcpretranssegs(void); -void snmp_inc_tcpinerrs(void); -void snmp_inc_tcpoutrsts(void); - -/* UDP */ -void snmp_inc_udpindatagrams(void); -void snmp_inc_udpnoports(void); -void snmp_inc_udpinerrors(void); -void snmp_inc_udpoutdatagrams(void); -void snmp_insert_udpidx_tree(struct udp_pcb *pcb); -void snmp_delete_udpidx_tree(struct udp_pcb *pcb); - -/* SNMP */ -void snmp_inc_snmpinpkts(void); -void snmp_inc_snmpoutpkts(void); -void snmp_inc_snmpinbadversions(void); -void snmp_inc_snmpinbadcommunitynames(void); -void snmp_inc_snmpinbadcommunityuses(void); -void snmp_inc_snmpinasnparseerrs(void); -void snmp_inc_snmpintoobigs(void); -void snmp_inc_snmpinnosuchnames(void); -void snmp_inc_snmpinbadvalues(void); -void snmp_inc_snmpinreadonlys(void); -void snmp_inc_snmpingenerrs(void); -void snmp_add_snmpintotalreqvars(u8_t value); -void snmp_add_snmpintotalsetvars(u8_t value); -void snmp_inc_snmpingetrequests(void); -void snmp_inc_snmpingetnexts(void); -void snmp_inc_snmpinsetrequests(void); -void snmp_inc_snmpingetresponses(void); -void snmp_inc_snmpintraps(void); -void snmp_inc_snmpouttoobigs(void); -void snmp_inc_snmpoutnosuchnames(void); -void snmp_inc_snmpoutbadvalues(void); -void snmp_inc_snmpoutgenerrs(void); -void snmp_inc_snmpoutgetrequests(void); -void snmp_inc_snmpoutgetnexts(void); -void snmp_inc_snmpoutsetrequests(void); -void snmp_inc_snmpoutgetresponses(void); -void snmp_inc_snmpouttraps(void); -void snmp_get_snmpgrpid_ptr(struct snmp_obj_id **oid); -void snmp_set_snmpenableauthentraps(u8_t *value); -void snmp_get_snmpenableauthentraps(u8_t *value); - -/* LWIP_SNMP support not available */ -/* define everything to be empty */ -#else - -/* system */ -#define snmp_set_sysdesr(str, len) -#define snmp_set_sysobjid(oid); -#define snmp_get_sysobjid_ptr(oid) -#define snmp_inc_sysuptime() -#define snmp_add_sysuptime(value) -#define snmp_get_sysuptime(value) -#define snmp_set_syscontact(ocstr, ocstrlen); -#define snmp_set_sysname(ocstr, ocstrlen); -#define snmp_set_syslocation(ocstr, ocstrlen); - -/* network interface */ -#define snmp_add_ifinoctets(ni,value) -#define snmp_inc_ifinucastpkts(ni) -#define snmp_inc_ifinnucastpkts(ni) -#define snmp_inc_ifindiscards(ni) -#define snmp_add_ifoutoctets(ni,value) -#define snmp_inc_ifoutucastpkts(ni) -#define snmp_inc_ifoutnucastpkts(ni) -#define snmp_inc_ifoutdiscards(ni) -#define snmp_inc_iflist() -#define snmp_dec_iflist() - -/* ARP */ -#define snmp_insert_arpidx_tree(ni,ip) -#define snmp_delete_arpidx_tree(ni,ip) - -/* IP */ -#define snmp_inc_ipinreceives() -#define snmp_inc_ipinhdrerrors() -#define snmp_inc_ipinaddrerrors() -#define snmp_inc_ipforwdatagrams() -#define snmp_inc_ipinunknownprotos() -#define snmp_inc_ipindiscards() -#define snmp_inc_ipindelivers() -#define snmp_inc_ipoutrequests() -#define snmp_inc_ipoutdiscards() -#define snmp_inc_ipoutnoroutes() -#define snmp_inc_ipreasmreqds() -#define snmp_inc_ipreasmoks() -#define snmp_inc_ipreasmfails() -#define snmp_inc_ipfragoks() -#define snmp_inc_ipfragfails() -#define snmp_inc_ipfragcreates() -#define snmp_inc_iproutingdiscards() -#define snmp_insert_ipaddridx_tree(ni) -#define snmp_delete_ipaddridx_tree(ni) -#define snmp_insert_iprteidx_tree(dflt, ni) -#define snmp_delete_iprteidx_tree(dflt, ni) - -/* ICMP */ -#define snmp_inc_icmpinmsgs() -#define snmp_inc_icmpinerrors() -#define snmp_inc_icmpindestunreachs() -#define snmp_inc_icmpintimeexcds() -#define snmp_inc_icmpinparmprobs() -#define snmp_inc_icmpinsrcquenchs() -#define snmp_inc_icmpinredirects() -#define snmp_inc_icmpinechos() -#define snmp_inc_icmpinechoreps() -#define snmp_inc_icmpintimestamps() -#define snmp_inc_icmpintimestampreps() -#define snmp_inc_icmpinaddrmasks() -#define snmp_inc_icmpinaddrmaskreps() -#define snmp_inc_icmpoutmsgs() -#define snmp_inc_icmpouterrors() -#define snmp_inc_icmpoutdestunreachs() -#define snmp_inc_icmpouttimeexcds() -#define snmp_inc_icmpoutparmprobs() -#define snmp_inc_icmpoutsrcquenchs() -#define snmp_inc_icmpoutredirects() -#define snmp_inc_icmpoutechos() -#define snmp_inc_icmpoutechoreps() -#define snmp_inc_icmpouttimestamps() -#define snmp_inc_icmpouttimestampreps() -#define snmp_inc_icmpoutaddrmasks() -#define snmp_inc_icmpoutaddrmaskreps() -/* TCP */ -#define snmp_inc_tcpactiveopens() -#define snmp_inc_tcppassiveopens() -#define snmp_inc_tcpattemptfails() -#define snmp_inc_tcpestabresets() -#define snmp_inc_tcpinsegs() -#define snmp_inc_tcpoutsegs() -#define snmp_inc_tcpretranssegs() -#define snmp_inc_tcpinerrs() -#define snmp_inc_tcpoutrsts() - -/* UDP */ -#define snmp_inc_udpindatagrams() -#define snmp_inc_udpnoports() -#define snmp_inc_udpinerrors() -#define snmp_inc_udpoutdatagrams() -#define snmp_insert_udpidx_tree(pcb) -#define snmp_delete_udpidx_tree(pcb) - -/* SNMP */ -#define snmp_inc_snmpinpkts() -#define snmp_inc_snmpoutpkts() -#define snmp_inc_snmpinbadversions() -#define snmp_inc_snmpinbadcommunitynames() -#define snmp_inc_snmpinbadcommunityuses() -#define snmp_inc_snmpinasnparseerrs() -#define snmp_inc_snmpintoobigs() -#define snmp_inc_snmpinnosuchnames() -#define snmp_inc_snmpinbadvalues() -#define snmp_inc_snmpinreadonlys() -#define snmp_inc_snmpingenerrs() -#define snmp_add_snmpintotalreqvars(value) -#define snmp_add_snmpintotalsetvars(value) -#define snmp_inc_snmpingetrequests() -#define snmp_inc_snmpingetnexts() -#define snmp_inc_snmpinsetrequests() -#define snmp_inc_snmpingetresponses() -#define snmp_inc_snmpintraps() -#define snmp_inc_snmpouttoobigs() -#define snmp_inc_snmpoutnosuchnames() -#define snmp_inc_snmpoutbadvalues() -#define snmp_inc_snmpoutgenerrs() -#define snmp_inc_snmpoutgetrequests() -#define snmp_inc_snmpoutgetnexts() -#define snmp_inc_snmpoutsetrequests() -#define snmp_inc_snmpoutgetresponses() -#define snmp_inc_snmpouttraps() -#define snmp_get_snmpgrpid_ptr(oid) -#define snmp_set_snmpenableauthentraps(value) -#define snmp_get_snmpenableauthentraps(value) - -#endif /* LWIP_SNMP */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_SNMP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_asn1.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_asn1.h deleted file mode 100644 index a40d5ef..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_asn1.h +++ /dev/null @@ -1,103 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Abstract Syntax Notation One (ISO 8824, 8825) codec. - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons <christiaan.simons@axon.tv> - */ - -#ifndef __LWIP_SNMP_ASN1_H__ -#define __LWIP_SNMP_ASN1_H__ - -#include "lwip/opt.h" -#include "lwip/err.h" -#include "lwip/pbuf.h" -#include "lwip/snmp.h" - -#if LWIP_SNMP - -#ifdef __cplusplus -extern "C" { -#endif - -#define SNMP_ASN1_UNIV (!0x80 | !0x40) -#define SNMP_ASN1_APPLIC (!0x80 | 0x40) -#define SNMP_ASN1_CONTXT ( 0x80 | !0x40) - -#define SNMP_ASN1_CONSTR (0x20) -#define SNMP_ASN1_PRIMIT (!0x20) - -/* universal tags */ -#define SNMP_ASN1_INTEG 2 -#define SNMP_ASN1_OC_STR 4 -#define SNMP_ASN1_NUL 5 -#define SNMP_ASN1_OBJ_ID 6 -#define SNMP_ASN1_SEQ 16 - -/* application specific (SNMP) tags */ -#define SNMP_ASN1_IPADDR 0 /* octet string size(4) */ -#define SNMP_ASN1_COUNTER 1 /* u32_t */ -#define SNMP_ASN1_GAUGE 2 /* u32_t */ -#define SNMP_ASN1_TIMETICKS 3 /* u32_t */ -#define SNMP_ASN1_OPAQUE 4 /* octet string */ - -/* context specific (SNMP) tags */ -#define SNMP_ASN1_PDU_GET_REQ 0 -#define SNMP_ASN1_PDU_GET_NEXT_REQ 1 -#define SNMP_ASN1_PDU_GET_RESP 2 -#define SNMP_ASN1_PDU_SET_REQ 3 -#define SNMP_ASN1_PDU_TRAP 4 - -err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type); -err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length); -err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value); -err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value); -err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid); -err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw); - -void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed); -void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed); -void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed); -void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed); -err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type); -err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length); -err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u8_t octets_needed, u32_t value); -err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u8_t octets_needed, s32_t value); -err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident); -err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u8_t raw_len, u8_t *raw); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_ASN1_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_msg.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_msg.h deleted file mode 100644 index 6e50a61..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_msg.h +++ /dev/null @@ -1,313 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * SNMP Agent message handling structures. - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons <christiaan.simons@axon.tv> - */ - -#ifndef __LWIP_SNMP_MSG_H__ -#define __LWIP_SNMP_MSG_H__ - -#include "lwip/opt.h" -#include "lwip/snmp.h" -#include "lwip/snmp_structs.h" - -#if LWIP_SNMP - -#if SNMP_PRIVATE_MIB -#include "private_mib.h" -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* The listen port of the SNMP agent. Clients have to make their requests to - this port. Most standard clients won't work if you change this! */ -#ifndef SNMP_IN_PORT -#define SNMP_IN_PORT 161 -#endif -/* The remote port the SNMP agent sends traps to. Most standard trap sinks won't - work if you change this! */ -#ifndef SNMP_TRAP_PORT -#define SNMP_TRAP_PORT 162 -#endif - -#define SNMP_ES_NOERROR 0 -#define SNMP_ES_TOOBIG 1 -#define SNMP_ES_NOSUCHNAME 2 -#define SNMP_ES_BADVALUE 3 -#define SNMP_ES_READONLY 4 -#define SNMP_ES_GENERROR 5 - -#define SNMP_GENTRAP_COLDSTART 0 -#define SNMP_GENTRAP_WARMSTART 1 -#define SNMP_GENTRAP_AUTHFAIL 4 -#define SNMP_GENTRAP_ENTERPRISESPC 6 - -struct snmp_varbind -{ - /* next pointer, NULL for last in list */ - struct snmp_varbind *next; - /* previous pointer, NULL for first in list */ - struct snmp_varbind *prev; - - /* object identifier length (in s32_t) */ - u8_t ident_len; - /* object identifier array */ - s32_t *ident; - - /* object value ASN1 type */ - u8_t value_type; - /* object value length (in u8_t) */ - u8_t value_len; - /* object value */ - void *value; - - /* encoding varbind seq length length */ - u8_t seqlenlen; - /* encoding object identifier length length */ - u8_t olenlen; - /* encoding object value length length */ - u8_t vlenlen; - /* encoding varbind seq length */ - u16_t seqlen; - /* encoding object identifier length */ - u16_t olen; - /* encoding object value length */ - u16_t vlen; -}; - -struct snmp_varbind_root -{ - struct snmp_varbind *head; - struct snmp_varbind *tail; - /* number of variable bindings in list */ - u8_t count; - /* encoding varbind-list seq length length */ - u8_t seqlenlen; - /* encoding varbind-list seq length */ - u16_t seqlen; -}; - -/** output response message header length fields */ -struct snmp_resp_header_lengths -{ - /* encoding error-index length length */ - u8_t erridxlenlen; - /* encoding error-status length length */ - u8_t errstatlenlen; - /* encoding request id length length */ - u8_t ridlenlen; - /* encoding pdu length length */ - u8_t pdulenlen; - /* encoding community length length */ - u8_t comlenlen; - /* encoding version length length */ - u8_t verlenlen; - /* encoding sequence length length */ - u8_t seqlenlen; - - /* encoding error-index length */ - u16_t erridxlen; - /* encoding error-status length */ - u16_t errstatlen; - /* encoding request id length */ - u16_t ridlen; - /* encoding pdu length */ - u16_t pdulen; - /* encoding community length */ - u16_t comlen; - /* encoding version length */ - u16_t verlen; - /* encoding sequence length */ - u16_t seqlen; -}; - -/** output response message header length fields */ -struct snmp_trap_header_lengths -{ - /* encoding timestamp length length */ - u8_t tslenlen; - /* encoding specific-trap length length */ - u8_t strplenlen; - /* encoding generic-trap length length */ - u8_t gtrplenlen; - /* encoding agent-addr length length */ - u8_t aaddrlenlen; - /* encoding enterprise-id length length */ - u8_t eidlenlen; - /* encoding pdu length length */ - u8_t pdulenlen; - /* encoding community length length */ - u8_t comlenlen; - /* encoding version length length */ - u8_t verlenlen; - /* encoding sequence length length */ - u8_t seqlenlen; - - /* encoding timestamp length */ - u16_t tslen; - /* encoding specific-trap length */ - u16_t strplen; - /* encoding generic-trap length */ - u16_t gtrplen; - /* encoding agent-addr length */ - u16_t aaddrlen; - /* encoding enterprise-id length */ - u16_t eidlen; - /* encoding pdu length */ - u16_t pdulen; - /* encoding community length */ - u16_t comlen; - /* encoding version length */ - u16_t verlen; - /* encoding sequence length */ - u16_t seqlen; -}; - -/* Accepting new SNMP messages. */ -#define SNMP_MSG_EMPTY 0 -/* Search for matching object for variable binding. */ -#define SNMP_MSG_SEARCH_OBJ 1 -/* Perform SNMP operation on in-memory object. - Pass-through states, for symmetry only. */ -#define SNMP_MSG_INTERNAL_GET_OBJDEF 2 -#define SNMP_MSG_INTERNAL_GET_VALUE 3 -#define SNMP_MSG_INTERNAL_SET_TEST 4 -#define SNMP_MSG_INTERNAL_GET_OBJDEF_S 5 -#define SNMP_MSG_INTERNAL_SET_VALUE 6 -/* Perform SNMP operation on object located externally. - In theory this could be used for building a proxy agent. - Practical use is for an enterprise spc. app. gateway. */ -#define SNMP_MSG_EXTERNAL_GET_OBJDEF 7 -#define SNMP_MSG_EXTERNAL_GET_VALUE 8 -#define SNMP_MSG_EXTERNAL_SET_TEST 9 -#define SNMP_MSG_EXTERNAL_GET_OBJDEF_S 10 -#define SNMP_MSG_EXTERNAL_SET_VALUE 11 - -#define SNMP_COMMUNITY_STR_LEN 64 -struct snmp_msg_pstat -{ - /* lwIP local port (161) binding */ - struct udp_pcb *pcb; - /* source IP address */ - struct ip_addr sip; - /* source UDP port */ - u16_t sp; - /* request type */ - u8_t rt; - /* request ID */ - s32_t rid; - /* error status */ - s32_t error_status; - /* error index */ - s32_t error_index; - /* community name (zero terminated) */ - u8_t community[SNMP_COMMUNITY_STR_LEN + 1]; - /* community string length (exclusive zero term) */ - u8_t com_strlen; - /* one out of MSG_EMPTY, MSG_DEMUX, MSG_INTERNAL, MSG_EXTERNAL_x */ - u8_t state; - /* saved arguments for MSG_EXTERNAL_x */ - struct mib_external_node *ext_mib_node; - struct snmp_name_ptr ext_name_ptr; - struct obj_def ext_object_def; - struct snmp_obj_id ext_oid; - /* index into input variable binding list */ - u8_t vb_idx; - /* ptr into input variable binding list */ - struct snmp_varbind *vb_ptr; - /* list of variable bindings from input */ - struct snmp_varbind_root invb; - /* list of variable bindings to output */ - struct snmp_varbind_root outvb; - /* output response lengths used in ASN encoding */ - struct snmp_resp_header_lengths rhl; -}; - -struct snmp_msg_trap -{ - /* lwIP local port (161) binding */ - struct udp_pcb *pcb; - /* destination IP address in network order */ - struct ip_addr dip; - - /* source enterprise ID (sysObjectID) */ - struct snmp_obj_id *enterprise; - /* source IP address, raw network order format */ - u8_t sip_raw[4]; - /* generic trap code */ - u32_t gen_trap; - /* specific trap code */ - u32_t spc_trap; - /* timestamp */ - u32_t ts; - /* list of variable bindings to output */ - struct snmp_varbind_root outvb; - /* output trap lengths used in ASN encoding */ - struct snmp_trap_header_lengths thl; -}; - -/** Agent Version constant, 0 = v1 oddity */ -extern const s32_t snmp_version; -/** Agent default "public" community string */ -extern const char snmp_publiccommunity[7]; - -extern struct snmp_msg_trap trap_msg; - -/** Agent setup, start listening to port 161. */ -void snmp_init(void); -void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable); -void snmp_trap_dst_ip_set(u8_t dst_idx, struct ip_addr *dst); - -/** Varbind-list functions. */ -struct snmp_varbind* snmp_varbind_alloc(struct snmp_obj_id *oid, u8_t type, u8_t len); -void snmp_varbind_free(struct snmp_varbind *vb); -void snmp_varbind_list_free(struct snmp_varbind_root *root); -void snmp_varbind_tail_add(struct snmp_varbind_root *root, struct snmp_varbind *vb); -struct snmp_varbind* snmp_varbind_tail_remove(struct snmp_varbind_root *root); - -/** Handle an internal (recv) or external (private response) event. */ -void snmp_msg_event(u8_t request_id); -err_t snmp_send_response(struct snmp_msg_pstat *m_stat); -err_t snmp_send_trap(s8_t generic_trap, struct snmp_obj_id *eoid, s32_t specific_trap); -void snmp_coldstart_trap(void); -void snmp_authfail_trap(void); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_MSG_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_structs.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_structs.h deleted file mode 100644 index 93f4ea3..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/snmp_structs.h +++ /dev/null @@ -1,264 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Generic MIB tree structures. - * - * @todo namespace prefixes - */ - -/* - * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * Author: Christiaan Simons <christiaan.simons@axon.tv> - */ - -#ifndef __LWIP_SNMP_STRUCTS_H__ -#define __LWIP_SNMP_STRUCTS_H__ - -#include "lwip/opt.h" - -#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/snmp.h" - -#if SNMP_PRIVATE_MIB -#include "private_mib.h" -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* MIB object instance */ -#define MIB_OBJECT_NONE 0 -#define MIB_OBJECT_SCALAR 1 -#define MIB_OBJECT_TAB 2 - -/* MIB object access */ -#define MIB_OBJECT_READ_ONLY 0 -#define MIB_OBJECT_READ_WRITE 1 -#define MIB_OBJECT_WRITE_ONLY 2 -#define MIB_OBJECT_NOT_ACCESSIBLE 3 - -/** object definition returned by (get_object_def)() */ -struct obj_def -{ - /* MIB_OBJECT_NONE (0), MIB_OBJECT_SCALAR (1), MIB_OBJECT_TAB (2) */ - u8_t instance; - /* 0 read-only, 1 read-write, 2 write-only, 3 not-accessible */ - u8_t access; - /* ASN type for this object */ - u8_t asn_type; - /* value length (host length) */ - u16_t v_len; - /* length of instance part of supplied object identifier */ - u8_t id_inst_len; - /* instance part of supplied object identifier */ - s32_t *id_inst_ptr; -}; - -struct snmp_name_ptr -{ - u8_t ident_len; - s32_t *ident; -}; - -/** MIB const scalar (.0) node */ -#define MIB_NODE_SC 0x01 -/** MIB const array node */ -#define MIB_NODE_AR 0x02 -/** MIB array node (mem_malloced from RAM) */ -#define MIB_NODE_RA 0x03 -/** MIB list root node (mem_malloced from RAM) */ -#define MIB_NODE_LR 0x04 -/** MIB node for external objects */ -#define MIB_NODE_EX 0x05 - -/** node "base class" layout, the mandatory fields for a node */ -struct mib_node -{ - /** returns struct obj_def for the given object identifier */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - /** returns object value for the given object identifier, - @note the caller must allocate at least len bytes for the value */ - void (*get_value)(struct obj_def *od, u16_t len, void *value); - /** tests length and/or range BEFORE setting */ - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - /** sets object value, only to be called when set_test() */ - void (*set_value)(struct obj_def *od, u16_t len, void *value); - /** One out of MIB_NODE_AR, MIB_NODE_LR or MIB_NODE_EX */ - const u8_t node_type; - /* array or max list length */ - const u16_t maxlength; -}; - -/** derived node for scalars .0 index */ -typedef struct mib_node mib_scalar_node; - -/** derived node, points to a fixed size const array - of sub-identifiers plus a 'child' pointer */ -struct mib_array_node -{ - /* inherited "base class" members */ - void (* const get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (* const get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - const u8_t node_type; - const u16_t maxlength; - - /* aditional struct members */ - const s32_t *objid; - struct mib_node* const *nptr; -}; - -/** derived node, points to a fixed size mem_malloced array - of sub-identifiers plus a 'child' pointer */ -struct mib_ram_array_node -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* aditional struct members */ - s32_t *objid; - struct mib_node **nptr; -}; - -struct mib_list_node -{ - struct mib_list_node *prev; - struct mib_list_node *next; - s32_t objid; - struct mib_node *nptr; -}; - -/** derived node, points to a doubly linked list - of sub-identifiers plus a 'child' pointer */ -struct mib_list_rootnode -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* aditional struct members */ - struct mib_list_node *head; - struct mib_list_node *tail; - /* counts list nodes in list */ - u16_t count; -}; - -/** derived node, has access functions for mib object in external memory or device - using 'tree_level' and 'idx', with a range 0 .. (level_length() - 1) */ -struct mib_external_node -{ - /* inherited "base class" members */ - void (*get_object_def)(u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value)(struct obj_def *od, u16_t len, void *value); - u8_t (*set_test)(struct obj_def *od, u16_t len, void *value); - void (*set_value)(struct obj_def *od, u16_t len, void *value); - - u8_t node_type; - u16_t maxlength; - - /* aditional struct members */ - /** points to an extenal (in memory) record of some sort of addressing - information, passed to and interpreted by the funtions below */ - void* addr_inf; - /** tree levels under this node */ - u8_t tree_levels; - /** number of objects at this level */ - u16_t (*level_length)(void* addr_inf, u8_t level); - /** compares object sub identifier with external id - return zero when equal, nonzero when unequal */ - s32_t (*ident_cmp)(void* addr_inf, u8_t level, u16_t idx, s32_t sub_id); - void (*get_objid)(void* addr_inf, u8_t level, u16_t idx, s32_t *sub_id); - - /** async Questions */ - void (*get_object_def_q)(void* addr_inf, u8_t rid, u8_t ident_len, s32_t *ident); - void (*get_value_q)(u8_t rid, struct obj_def *od); - void (*set_test_q)(u8_t rid, struct obj_def *od); - void (*set_value_q)(u8_t rid, struct obj_def *od, u16_t len, void *value); - /** async Answers */ - void (*get_object_def_a)(u8_t rid, u8_t ident_len, s32_t *ident, struct obj_def *od); - void (*get_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - u8_t (*set_test_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - void (*set_value_a)(u8_t rid, struct obj_def *od, u16_t len, void *value); - /** async Panic Close (agent returns error reply, - e.g. used for external transaction cleanup) */ - void (*get_object_def_pc)(u8_t rid, u8_t ident_len, s32_t *ident); - void (*get_value_pc)(u8_t rid, struct obj_def *od); - void (*set_test_pc)(u8_t rid, struct obj_def *od); - void (*set_value_pc)(u8_t rid, struct obj_def *od); -}; - -/** export MIB tree from mib2.c */ -extern const struct mib_array_node internet; - -/** dummy function pointers for non-leaf MIB nodes from mib2.c */ -void noleafs_get_object_def(u8_t ident_len, s32_t *ident, struct obj_def *od); -void noleafs_get_value(struct obj_def *od, u16_t len, void *value); -u8_t noleafs_set_test(struct obj_def *od, u16_t len, void *value); -void noleafs_set_value(struct obj_def *od, u16_t len, void *value); - -void snmp_oidtoip(s32_t *ident, struct ip_addr *ip); -void snmp_iptooid(struct ip_addr *ip, s32_t *ident); -void snmp_ifindextonetif(s32_t ifindex, struct netif **netif); -void snmp_netiftoifindex(struct netif *netif, s32_t *ifidx); - -struct mib_list_node* snmp_mib_ln_alloc(s32_t id); -void snmp_mib_ln_free(struct mib_list_node *ln); -struct mib_list_rootnode* snmp_mib_lrn_alloc(void); -void snmp_mib_lrn_free(struct mib_list_rootnode *lrn); - -s8_t snmp_mib_node_insert(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **insn); -s8_t snmp_mib_node_find(struct mib_list_rootnode *rn, s32_t objid, struct mib_list_node **fn); -struct mib_list_rootnode *snmp_mib_node_delete(struct mib_list_rootnode *rn, struct mib_list_node *n); - -struct mib_node* snmp_search_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_name_ptr *np); -struct mib_node* snmp_expand_tree(struct mib_node *node, u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret); -u8_t snmp_iso_prefix_tst(u8_t ident_len, s32_t *ident); -u8_t snmp_iso_prefix_expand(u8_t ident_len, s32_t *ident, struct snmp_obj_id *oidret); - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SNMP */ - -#endif /* __LWIP_SNMP_STRUCTS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sockets.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sockets.h deleted file mode 100644 index 675c1f7..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sockets.h +++ /dev/null @@ -1,359 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - - -#ifndef __LWIP_SOCKETS_H__ -#define __LWIP_SOCKETS_H__ - -#include "lwip/opt.h" - -#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */ - -#include <stddef.h> /* for size_t */ - -#include "lwip/ip_addr.h" -#include "lwip/inet.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* members are in network byte order */ -struct sockaddr_in { - u8_t sin_len; - u8_t sin_family; - u16_t sin_port; - struct in_addr sin_addr; - char sin_zero[8]; -}; - -struct sockaddr { - u8_t sa_len; - u8_t sa_family; - char sa_data[14]; -}; - -#ifndef socklen_t -# define socklen_t u32_t -#endif - -/* Socket protocol types (TCP/UDP/RAW) */ -#define SOCK_STREAM 1 -#define SOCK_DGRAM 2 -#define SOCK_RAW 3 - -/* - * Option flags per-socket. These must match the SOF_ flags in ip.h! - */ -#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */ -#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ -#define SO_REUSEADDR 0x0004 /* Unimplemented: allow local address reuse */ -#define SO_KEEPALIVE 0x0008 /* keep connections alive */ -#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */ -#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ -#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */ -#define SO_LINGER 0x0080 /* linger on close if data present */ -#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */ -#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */ - -#define SO_DONTLINGER ((int)(~SO_LINGER)) - -/* - * Additional options, not kept in so_options. - */ -#define SO_SNDBUF 0x1001 /* Unimplemented: send buffer size */ -#define SO_RCVBUF 0x1002 /* receive buffer size */ -#define SO_SNDLOWAT 0x1003 /* Unimplemented: send low-water mark */ -#define SO_RCVLOWAT 0x1004 /* Unimplemented: receive low-water mark */ -#define SO_SNDTIMEO 0x1005 /* Unimplemented: send timeout */ -#define SO_RCVTIMEO 0x1006 /* receive timeout */ -#define SO_ERROR 0x1007 /* get error status and clear */ -#define SO_TYPE 0x1008 /* get socket type */ -#define SO_CONTIMEO 0x1009 /* Unimplemented: connect timeout */ -#define SO_NO_CHECK 0x100a /* don't create UDP checksum */ - - -/* - * Structure used for manipulating linger option. - */ -struct linger { - int l_onoff; /* option on/off */ - int l_linger; /* linger time */ -}; - -/* - * Level number for (get/set)sockopt() to apply to socket itself. - */ -#define SOL_SOCKET 0xfff /* options for socket level */ - - -#define AF_UNSPEC 0 -#define AF_INET 2 -#define PF_INET AF_INET -#define PF_UNSPEC AF_UNSPEC - -#define IPPROTO_IP 0 -#define IPPROTO_TCP 6 -#define IPPROTO_UDP 17 -#define IPPROTO_UDPLITE 136 - -/* Flags we can use with send and recv. */ -#define MSG_PEEK 0x01 /* Peeks at an incoming message */ -#define MSG_WAITALL 0x02 /* Unimplemented: Requests that the function block until the full amount of data requested can be returned */ -#define MSG_OOB 0x04 /* Unimplemented: Requests out-of-band data. The significance and semantics of out-of-band data are protocol-specific */ -#define MSG_DONTWAIT 0x08 /* Nonblocking i/o for this operation only */ -#define MSG_MORE 0x10 /* Sender will send more */ - - -/* - * Options for level IPPROTO_IP - */ -#define IP_TOS 1 -#define IP_TTL 2 - -#if LWIP_TCP -/* - * Options for level IPPROTO_TCP - */ -#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */ -#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keep_idle milliseconds */ -#define TCP_KEEPIDLE 0x03 /* set pcb->keep_idle - Same as TCP_KEEPALIVE, but use seconds for get/setsockopt */ -#define TCP_KEEPINTVL 0x04 /* set pcb->keep_intvl - Use seconds for get/setsockopt */ -#define TCP_KEEPCNT 0x05 /* set pcb->keep_cnt - Use number of probes sent for get/setsockopt */ -#endif /* LWIP_TCP */ - -#if LWIP_UDP && LWIP_UDPLITE -/* - * Options for level IPPROTO_UDPLITE - */ -#define UDPLITE_SEND_CSCOV 0x01 /* sender checksum coverage */ -#define UDPLITE_RECV_CSCOV 0x02 /* minimal receiver checksum coverage */ -#endif /* LWIP_UDP && LWIP_UDPLITE*/ - - -#if LWIP_IGMP -/* - * Options and types for UDP multicast traffic handling - */ -#define IP_ADD_MEMBERSHIP 3 -#define IP_DROP_MEMBERSHIP 4 -#define IP_MULTICAST_TTL 5 -#define IP_MULTICAST_IF 6 -#define IP_MULTICAST_LOOP 7 - -typedef struct ip_mreq { - struct in_addr imr_multiaddr; /* IP multicast address of group */ - struct in_addr imr_interface; /* local IP address of interface */ -} ip_mreq; -#endif /* LWIP_IGMP */ - -/* - * The Type of Service provides an indication of the abstract - * parameters of the quality of service desired. These parameters are - * to be used to guide the selection of the actual service parameters - * when transmitting a datagram through a particular network. Several - * networks offer service precedence, which somehow treats high - * precedence traffic as more important than other traffic (generally - * by accepting only traffic above a certain precedence at time of high - * load). The major choice is a three way tradeoff between low-delay, - * high-reliability, and high-throughput. - * The use of the Delay, Throughput, and Reliability indications may - * increase the cost (in some sense) of the service. In many networks - * better performance for one of these parameters is coupled with worse - * performance on another. Except for very unusual cases at most two - * of these three indications should be set. - */ -#define IPTOS_TOS_MASK 0x1E -#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) -#define IPTOS_LOWDELAY 0x10 -#define IPTOS_THROUGHPUT 0x08 -#define IPTOS_RELIABILITY 0x04 -#define IPTOS_LOWCOST 0x02 -#define IPTOS_MINCOST IPTOS_LOWCOST - -/* - * The Network Control precedence designation is intended to be used - * within a network only. The actual use and control of that - * designation is up to each network. The Internetwork Control - * designation is intended for use by gateway control originators only. - * If the actual use of these precedence designations is of concern to - * a particular network, it is the responsibility of that network to - * control the access to, and use of, those precedence designations. - */ -#define IPTOS_PREC_MASK 0xe0 -#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) -#define IPTOS_PREC_NETCONTROL 0xe0 -#define IPTOS_PREC_INTERNETCONTROL 0xc0 -#define IPTOS_PREC_CRITIC_ECP 0xa0 -#define IPTOS_PREC_FLASHOVERRIDE 0x80 -#define IPTOS_PREC_FLASH 0x60 -#define IPTOS_PREC_IMMEDIATE 0x40 -#define IPTOS_PREC_PRIORITY 0x20 -#define IPTOS_PREC_ROUTINE 0x00 - - -/* - * Commands for ioctlsocket(), taken from the BSD file fcntl.h. - * lwip_ioctl only supports FIONREAD and FIONBIO, for now - * - * Ioctl's have the command encoded in the lower word, - * and the size of any in or out parameters in the upper - * word. The high 2 bits of the upper word are used - * to encode the in/out status of the parameter; for now - * we restrict parameters to at most 128 bytes. - */ -#if !defined(FIONREAD) || !defined(FIONBIO) -#define IOCPARM_MASK 0x7fU /* parameters must be < 128 bytes */ -#define IOC_VOID 0x20000000UL /* no parameters */ -#define IOC_OUT 0x40000000UL /* copy out parameters */ -#define IOC_IN 0x80000000UL /* copy in parameters */ -#define IOC_INOUT (IOC_IN|IOC_OUT) - /* 0x20000000 distinguishes new & - old ioctl's */ -#define _IO(x,y) (IOC_VOID|((x)<<8)|(y)) - -#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) - -#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y)) -#endif /* !defined(FIONREAD) || !defined(FIONBIO) */ - -#ifndef FIONREAD -#define FIONREAD _IOR('f', 127, unsigned long) /* get # bytes to read */ -#endif -#ifndef FIONBIO -#define FIONBIO _IOW('f', 126, unsigned long) /* set/clear non-blocking i/o */ -#endif - -/* Socket I/O Controls: unimplemented */ -#ifndef SIOCSHIWAT -#define SIOCSHIWAT _IOW('s', 0, unsigned long) /* set high watermark */ -#define SIOCGHIWAT _IOR('s', 1, unsigned long) /* get high watermark */ -#define SIOCSLOWAT _IOW('s', 2, unsigned long) /* set low watermark */ -#define SIOCGLOWAT _IOR('s', 3, unsigned long) /* get low watermark */ -#define SIOCATMARK _IOR('s', 7, unsigned long) /* at oob mark? */ -#endif - -/* Socket flags: */ -#ifndef O_NONBLOCK -#define O_NONBLOCK 04000U -#endif - -/* FD_SET used for lwip_select */ -#ifndef FD_SET - #undef FD_SETSIZE - /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */ - #define FD_SETSIZE MEMP_NUM_NETCONN - #define FD_SET(n, p) ((p)->fd_bits[(n)/8] |= (1 << ((n) & 7))) - #define FD_CLR(n, p) ((p)->fd_bits[(n)/8] &= ~(1 << ((n) & 7))) - #define FD_ISSET(n,p) ((p)->fd_bits[(n)/8] & (1 << ((n) & 7))) - #define FD_ZERO(p) memset((void*)(p),0,sizeof(*(p))) - - typedef struct fd_set { - unsigned char fd_bits [(FD_SETSIZE+7)/8]; - } fd_set; - -#endif /* FD_SET */ - -/** LWIP_TIMEVAL_PRIVATE: if you want to use the struct timeval provided - * by your system, set this to 0 and include <sys/time.h> in cc.h */ -#ifndef LWIP_TIMEVAL_PRIVATE -#define LWIP_TIMEVAL_PRIVATE 1 -#endif - -#if LWIP_TIMEVAL_PRIVATE -struct timeval { - long tv_sec; /* seconds */ - long tv_usec; /* and microseconds */ -}; -#endif /* LWIP_TIMEVAL_PRIVATE */ - -void lwip_socket_init(void); - -int lwip_accept(int s, struct sockaddr *addr, socklen_t *addrlen); -int lwip_bind(int s, const struct sockaddr *name, socklen_t namelen); -int lwip_shutdown(int s, int how); -int lwip_getpeername (int s, struct sockaddr *name, socklen_t *namelen); -int lwip_getsockname (int s, struct sockaddr *name, socklen_t *namelen); -int lwip_getsockopt (int s, int level, int optname, void *optval, socklen_t *optlen); -int lwip_setsockopt (int s, int level, int optname, const void *optval, socklen_t optlen); -int lwip_close(int s); -int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen); -int lwip_listen(int s, int backlog); -int lwip_recv(int s, void *mem, size_t len, int flags); -int lwip_read(int s, void *mem, size_t len); -int lwip_recvfrom(int s, void *mem, size_t len, int flags, - struct sockaddr *from, socklen_t *fromlen); -int lwip_send(int s, const void *dataptr, size_t size, int flags); -int lwip_sendto(int s, const void *dataptr, size_t size, int flags, - const struct sockaddr *to, socklen_t tolen); -int lwip_socket(int domain, int type, int protocol); -int lwip_write(int s, const void *dataptr, size_t size); -int lwip_select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset, - struct timeval *timeout); -int lwip_ioctl(int s, long cmd, void *argp); - -#if LWIP_COMPAT_SOCKETS -#define accept(a,b,c) lwip_accept(a,b,c) -#define bind(a,b,c) lwip_bind(a,b,c) -#define shutdown(a,b) lwip_shutdown(a,b) -#define closesocket(s) lwip_close(s) -#define connect(a,b,c) lwip_connect(a,b,c) -#define getsockname(a,b,c) lwip_getsockname(a,b,c) -#define getpeername(a,b,c) lwip_getpeername(a,b,c) -#define setsockopt(a,b,c,d,e) lwip_setsockopt(a,b,c,d,e) -#define getsockopt(a,b,c,d,e) lwip_getsockopt(a,b,c,d,e) -#define listen(a,b) lwip_listen(a,b) -#define recv(a,b,c,d) lwip_recv(a,b,c,d) -#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f) -#define send(a,b,c,d) lwip_send(a,b,c,d) -#define sendto(a,b,c,d,e,f) lwip_sendto(a,b,c,d,e,f) -#define socket(a,b,c) lwip_socket(a,b,c) -#define select(a,b,c,d,e) lwip_select(a,b,c,d,e) -#define ioctlsocket(a,b,c) lwip_ioctl(a,b,c) - -#if LWIP_POSIX_SOCKETS_IO_NAMES -#define read(a,b,c) lwip_read(a,b,c) -#define write(a,b,c) lwip_write(a,b,c) -#define close(s) lwip_close(s) -#endif /* LWIP_POSIX_SOCKETS_IO_NAMES */ - -#endif /* LWIP_COMPAT_SOCKETS */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_SOCKET */ - -#endif /* __LWIP_SOCKETS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/stats.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/stats.h deleted file mode 100644 index 4aec5e5..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/stats.h +++ /dev/null @@ -1,285 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_STATS_H__ -#define __LWIP_STATS_H__ - -#include "lwip/opt.h" - -#include "lwip/mem.h" -#include "lwip/memp.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if LWIP_STATS - -#ifndef LWIP_STATS_LARGE -#define LWIP_STATS_LARGE 0 -#endif - -#if LWIP_STATS_LARGE -#define STAT_COUNTER u32_t -#define STAT_COUNTER_F U32_F -#else -#define STAT_COUNTER u16_t -#define STAT_COUNTER_F U16_F -#endif - -struct stats_proto { - STAT_COUNTER xmit; /* Transmitted packets. */ - STAT_COUNTER recv; /* Received packets. */ - STAT_COUNTER fw; /* Forwarded packets. */ - STAT_COUNTER drop; /* Dropped packets. */ - STAT_COUNTER chkerr; /* Checksum error. */ - STAT_COUNTER lenerr; /* Invalid length error. */ - STAT_COUNTER memerr; /* Out of memory error. */ - STAT_COUNTER rterr; /* Routing error. */ - STAT_COUNTER proterr; /* Protocol error. */ - STAT_COUNTER opterr; /* Error in options. */ - STAT_COUNTER err; /* Misc error. */ - STAT_COUNTER cachehit; -}; - -struct stats_igmp { - STAT_COUNTER lenerr; /* Invalid length error. */ - STAT_COUNTER chkerr; /* Checksum error. */ - STAT_COUNTER v1_rxed; /* */ - STAT_COUNTER join_sent; /* */ - STAT_COUNTER leave_sent; /* */ - STAT_COUNTER unicast_query; /* */ - STAT_COUNTER report_sent; /* */ - STAT_COUNTER report_rxed; /* */ - STAT_COUNTER group_query_rxed; /* */ -}; - -struct stats_mem { - mem_size_t avail; - mem_size_t used; - mem_size_t max; - STAT_COUNTER err; - STAT_COUNTER illegal; -}; - -struct stats_syselem { - STAT_COUNTER used; - STAT_COUNTER max; - STAT_COUNTER err; -}; - -struct stats_sys { - struct stats_syselem sem; - struct stats_syselem mbox; -}; - -struct stats_ { -#if LINK_STATS - struct stats_proto link; -#endif -#if ETHARP_STATS - struct stats_proto etharp; -#endif -#if IPFRAG_STATS - struct stats_proto ip_frag; -#endif -#if IP_STATS - struct stats_proto ip; -#endif -#if ICMP_STATS - struct stats_proto icmp; -#endif -#if IGMP_STATS - struct stats_igmp igmp; -#endif -#if UDP_STATS - struct stats_proto udp; -#endif -#if TCP_STATS - struct stats_proto tcp; -#endif -#if MEM_STATS - struct stats_mem mem; -#endif -#if MEMP_STATS - struct stats_mem memp[MEMP_MAX]; -#endif -#if SYS_STATS - struct stats_sys sys; -#endif -}; - -extern struct stats_ lwip_stats; - -#define stats_init() /* Compatibility define, not init needed. */ - -#define STATS_INC(x) ++lwip_stats.x -#define STATS_DEC(x) --lwip_stats.x -#else -#define stats_init() -#define STATS_INC(x) -#define STATS_DEC(x) -#endif /* LWIP_STATS */ - -#if TCP_STATS -#define TCP_STATS_INC(x) STATS_INC(x) -#define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP") -#else -#define TCP_STATS_INC(x) -#define TCP_STATS_DISPLAY() -#endif - -#if UDP_STATS -#define UDP_STATS_INC(x) STATS_INC(x) -#define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP") -#else -#define UDP_STATS_INC(x) -#define UDP_STATS_DISPLAY() -#endif - -#if ICMP_STATS -#define ICMP_STATS_INC(x) STATS_INC(x) -#define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP") -#else -#define ICMP_STATS_INC(x) -#define ICMP_STATS_DISPLAY() -#endif - -#if IGMP_STATS -#define IGMP_STATS_INC(x) STATS_INC(x) -#define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp) -#else -#define IGMP_STATS_INC(x) -#define IGMP_STATS_DISPLAY() -#endif - -#if IP_STATS -#define IP_STATS_INC(x) STATS_INC(x) -#define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP") -#else -#define IP_STATS_INC(x) -#define IP_STATS_DISPLAY() -#endif - -#if IPFRAG_STATS -#define IPFRAG_STATS_INC(x) STATS_INC(x) -#define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG") -#else -#define IPFRAG_STATS_INC(x) -#define IPFRAG_STATS_DISPLAY() -#endif - -#if ETHARP_STATS -#define ETHARP_STATS_INC(x) STATS_INC(x) -#define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP") -#else -#define ETHARP_STATS_INC(x) -#define ETHARP_STATS_DISPLAY() -#endif - -#if LINK_STATS -#define LINK_STATS_INC(x) STATS_INC(x) -#define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK") -#else -#define LINK_STATS_INC(x) -#define LINK_STATS_DISPLAY() -#endif - -#if MEM_STATS -#define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y -#define MEM_STATS_INC(x) STATS_INC(mem.x) -#define MEM_STATS_INC_USED(x, y) do { lwip_stats.mem.used += y; \ - if (lwip_stats.mem.max < lwip_stats.mem.used) { \ - lwip_stats.mem.max = lwip_stats.mem.used; \ - } \ - } while(0) -#define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y -#define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP") -#else -#define MEM_STATS_AVAIL(x, y) -#define MEM_STATS_INC(x) -#define MEM_STATS_INC_USED(x, y) -#define MEM_STATS_DEC_USED(x, y) -#define MEM_STATS_DISPLAY() -#endif - -#if MEMP_STATS -#define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y -#define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x) -#define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x) -#define MEMP_STATS_INC_USED(x, i) do { ++lwip_stats.memp[i].used; \ - if (lwip_stats.memp[i].max < lwip_stats.memp[i].used) { \ - lwip_stats.memp[i].max = lwip_stats.memp[i].used; \ - } \ - } while(0) -#define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i) -#else -#define MEMP_STATS_AVAIL(x, i, y) -#define MEMP_STATS_INC(x, i) -#define MEMP_STATS_DEC(x, i) -#define MEMP_STATS_INC_USED(x, i) -#define MEMP_STATS_DISPLAY(i) -#endif - -#if SYS_STATS -#define SYS_STATS_INC(x) STATS_INC(sys.x) -#define SYS_STATS_DEC(x) STATS_DEC(sys.x) -#define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys) -#else -#define SYS_STATS_INC(x) -#define SYS_STATS_DEC(x) -#define SYS_STATS_DISPLAY() -#endif - -/* Display of statistics */ -#if LWIP_STATS_DISPLAY -void stats_display(void); -void stats_display_proto(struct stats_proto *proto, char *name); -void stats_display_igmp(struct stats_igmp *igmp); -void stats_display_mem(struct stats_mem *mem, char *name); -void stats_display_memp(struct stats_mem *mem, int index); -void stats_display_sys(struct stats_sys *sys); -#else -#define stats_display() -#define stats_display_proto(proto, name) -#define stats_display_igmp(igmp) -#define stats_display_mem(mem, name) -#define stats_display_memp(mem, index) -#define stats_display_sys(sys) -#endif /* LWIP_STATS_DISPLAY */ - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_STATS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sys.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sys.h deleted file mode 100644 index 9a4f02a..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/sys.h +++ /dev/null @@ -1,245 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_SYS_H__ -#define __LWIP_SYS_H__ - -#include "lwip/opt.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if NO_SYS - -/* For a totally minimal and standalone system, we provide null - definitions of the sys_ functions. */ -typedef u8_t sys_sem_t; -typedef u8_t sys_mbox_t; -struct sys_timeo {u8_t dummy;}; - -#define sys_init() -#define sys_timeout(m,h,a) -#define sys_untimeout(m,a) -#define sys_sem_new(c) c -#define sys_sem_signal(s) -#define sys_sem_wait(s) -#define sys_sem_wait_timeout(s,t) -#define sys_arch_sem_wait(s,t) -#define sys_sem_free(s) -#define sys_mbox_new(s) 0 -#define sys_mbox_fetch(m,d) -#define sys_mbox_tryfetch(m,d) -#define sys_mbox_post(m,d) -#define sys_mbox_trypost(m,d) -#define sys_mbox_free(m) - -#define sys_thread_new(n,t,a,s,p) - -#else /* NO_SYS */ - -/** Return code for timeouts from sys_arch_mbox_fetch and sys_arch_sem_wait */ -#define SYS_ARCH_TIMEOUT 0xffffffffUL - -/* sys_mbox_tryfetch returns SYS_MBOX_EMPTY if appropriate. - * For now we use the same magic value, but we allow this to change in future. - */ -#define SYS_MBOX_EMPTY SYS_ARCH_TIMEOUT - -#include "lwip/err.h" -#include "arch/sys_arch.h" - -typedef void (* sys_timeout_handler)(void *arg); - -struct sys_timeo { - struct sys_timeo *next; - u32_t time; - sys_timeout_handler h; - void *arg; -}; - -struct sys_timeouts { - struct sys_timeo *next; -}; - -/* sys_init() must be called before anthing else. */ -void sys_init(void); - -/* - * sys_timeout(): - * - * Schedule a timeout a specified amount of milliseconds in the - * future. When the timeout occurs, the specified timeout handler will - * be called. The handler will be passed the "arg" argument when - * called. - * - */ -void sys_timeout(u32_t msecs, sys_timeout_handler h, void *arg); -void sys_untimeout(sys_timeout_handler h, void *arg); -struct sys_timeouts *sys_arch_timeouts(void); - -/* Semaphore functions. */ -sys_sem_t sys_sem_new(u8_t count); -void sys_sem_signal(sys_sem_t sem); -u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout); -void sys_sem_free(sys_sem_t sem); -void sys_sem_wait(sys_sem_t sem); -int sys_sem_wait_timeout(sys_sem_t sem, u32_t timeout); - -/* Time functions. */ -#ifndef sys_msleep -void sys_msleep(u32_t ms); /* only has a (close to) 1 jiffy resolution. */ -#endif -#ifndef sys_jiffies -u32_t sys_jiffies(void); /* since power up. */ -#endif - -/* Mailbox functions. */ -sys_mbox_t sys_mbox_new(int size); -void sys_mbox_post(sys_mbox_t mbox, void *msg); -err_t sys_mbox_trypost(sys_mbox_t mbox, void *msg); -u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout); -#ifndef sys_arch_mbox_tryfetch /* Allow port to override with a macro */ -u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg); -#endif -/* For now, we map straight to sys_arch implementation. */ -#define sys_mbox_tryfetch(mbox, msg) sys_arch_mbox_tryfetch(mbox, msg) -void sys_mbox_free(sys_mbox_t mbox); -void sys_mbox_fetch(sys_mbox_t mbox, void **msg); - -/* Thread functions. */ -sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg), void *arg, int stacksize, int prio); - -#endif /* NO_SYS */ - -/** Returns the current time in milliseconds. */ -u32_t sys_now(void); - -/* Critical Region Protection */ -/* These functions must be implemented in the sys_arch.c file. - In some implementations they can provide a more light-weight protection - mechanism than using semaphores. Otherwise semaphores can be used for - implementation */ -#ifndef SYS_ARCH_PROTECT -/** SYS_LIGHTWEIGHT_PROT - * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection - * for certain critical regions during buffer allocation, deallocation and memory - * allocation and deallocation. - */ -#if SYS_LIGHTWEIGHT_PROT - -/** SYS_ARCH_DECL_PROTECT - * declare a protection variable. This macro will default to defining a variable of - * type sys_prot_t. If a particular port needs a different implementation, then - * this macro may be defined in sys_arch.h. - */ -#define SYS_ARCH_DECL_PROTECT(lev) sys_prot_t lev -/** SYS_ARCH_PROTECT - * Perform a "fast" protect. This could be implemented by - * disabling interrupts for an embedded system or by using a semaphore or - * mutex. The implementation should allow calling SYS_ARCH_PROTECT when - * already protected. The old protection level is returned in the variable - * "lev". This macro will default to calling the sys_arch_protect() function - * which should be implemented in sys_arch.c. If a particular port needs a - * different implementation, then this macro may be defined in sys_arch.h - */ -#define SYS_ARCH_PROTECT(lev) lev = sys_arch_protect() -/** SYS_ARCH_UNPROTECT - * Perform a "fast" set of the protection level to "lev". This could be - * implemented by setting the interrupt level to "lev" within the MACRO or by - * using a semaphore or mutex. This macro will default to calling the - * sys_arch_unprotect() function which should be implemented in - * sys_arch.c. If a particular port needs a different implementation, then - * this macro may be defined in sys_arch.h - */ -#define SYS_ARCH_UNPROTECT(lev) sys_arch_unprotect(lev) -sys_prot_t sys_arch_protect(void); -void sys_arch_unprotect(sys_prot_t pval); - -#else - -#define SYS_ARCH_DECL_PROTECT(lev) -#define SYS_ARCH_PROTECT(lev) -#define SYS_ARCH_UNPROTECT(lev) - -#endif /* SYS_LIGHTWEIGHT_PROT */ - -#endif /* SYS_ARCH_PROTECT */ - -/* - * Macros to set/get and increase/decrease variables in a thread-safe way. - * Use these for accessing variable that are used from more than one thread. - */ - -#ifndef SYS_ARCH_INC -#define SYS_ARCH_INC(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var += val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_INC */ - -#ifndef SYS_ARCH_DEC -#define SYS_ARCH_DEC(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var -= val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_DEC */ - -#ifndef SYS_ARCH_GET -#define SYS_ARCH_GET(var, ret) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - ret = var; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_GET */ - -#ifndef SYS_ARCH_SET -#define SYS_ARCH_SET(var, val) do { \ - SYS_ARCH_DECL_PROTECT(old_level); \ - SYS_ARCH_PROTECT(old_level); \ - var = val; \ - SYS_ARCH_UNPROTECT(old_level); \ - } while(0) -#endif /* SYS_ARCH_SET */ - - -#ifdef __cplusplus -} -#endif - -#endif /* __LWIP_SYS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcp.h deleted file mode 100644 index c151574..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcp.h +++ /dev/null @@ -1,709 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_TCP_H__ -#define __LWIP_TCP_H__ - -#include "lwip/opt.h" - -#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/sys.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/ip.h" -#include "lwip/icmp.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct tcp_pcb; - -/* Functions for interfacing with TCP: */ - -/* Lower layer interface to TCP: */ -#define tcp_init() /* Compatibility define, not init needed. */ -void tcp_tmr (void); /* Must be called every - TCP_TMR_INTERVAL - ms. (Typically 250 ms). */ -/* Application program's interface: */ -struct tcp_pcb * tcp_new (void); -struct tcp_pcb * tcp_alloc (u8_t prio); - -void tcp_arg (struct tcp_pcb *pcb, void *arg); -void tcp_accept (struct tcp_pcb *pcb, - err_t (* accept)(void *arg, struct tcp_pcb *newpcb, - err_t err)); -void tcp_recv (struct tcp_pcb *pcb, - err_t (* recv)(void *arg, struct tcp_pcb *tpcb, - struct pbuf *p, err_t err)); -void tcp_sent (struct tcp_pcb *pcb, - err_t (* sent)(void *arg, struct tcp_pcb *tpcb, - u16_t len)); -void tcp_poll (struct tcp_pcb *pcb, - err_t (* poll)(void *arg, struct tcp_pcb *tpcb), - u8_t interval); -void tcp_err (struct tcp_pcb *pcb, - void (* err)(void *arg, err_t err)); - -#define tcp_mss(pcb) ((pcb)->mss) -#define tcp_sndbuf(pcb) ((pcb)->snd_buf) -#define tcp_nagle_disable(pcb) ((pcb)->flags |= TF_NODELAY) -#define tcp_nagle_enable(pcb) ((pcb)->flags &= ~TF_NODELAY) -#define tcp_nagle_disabled(pcb) (((pcb)->flags & TF_NODELAY) != 0) - -#if TCP_LISTEN_BACKLOG -#define tcp_accepted(pcb) (((struct tcp_pcb_listen *)(pcb))->accepts_pending--) -#else /* TCP_LISTEN_BACKLOG */ -#define tcp_accepted(pcb) -#endif /* TCP_LISTEN_BACKLOG */ - -void tcp_recved (struct tcp_pcb *pcb, u16_t len); -err_t tcp_bind (struct tcp_pcb *pcb, struct ip_addr *ipaddr, - u16_t port); -err_t tcp_connect (struct tcp_pcb *pcb, struct ip_addr *ipaddr, - u16_t port, err_t (* connected)(void *arg, - struct tcp_pcb *tpcb, - err_t err)); - -struct tcp_pcb * tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog); -#define tcp_listen(pcb) tcp_listen_with_backlog(pcb, TCP_DEFAULT_LISTEN_BACKLOG) - -void tcp_abandon (struct tcp_pcb *pcb, int reset); -#define tcp_abort(pcb) tcp_abandon((pcb), 1) -err_t tcp_close (struct tcp_pcb *pcb); - -/* Flags for "apiflags" parameter in tcp_write and tcp_enqueue */ -#define TCP_WRITE_FLAG_COPY 0x01 -#define TCP_WRITE_FLAG_MORE 0x02 - -err_t tcp_write (struct tcp_pcb *pcb, const void *dataptr, u16_t len, - u8_t apiflags); - -void tcp_setprio (struct tcp_pcb *pcb, u8_t prio); - -#define TCP_PRIO_MIN 1 -#define TCP_PRIO_NORMAL 64 -#define TCP_PRIO_MAX 127 - -/* It is also possible to call these two functions at the right - intervals (instead of calling tcp_tmr()). */ -void tcp_slowtmr (void); -void tcp_fasttmr (void); - - -/* Only used by IP to pass a TCP segment to TCP: */ -void tcp_input (struct pbuf *p, struct netif *inp); -/* Used within the TCP code only: */ -err_t tcp_send_empty_ack(struct tcp_pcb *pcb); -err_t tcp_output (struct tcp_pcb *pcb); -void tcp_rexmit (struct tcp_pcb *pcb); -void tcp_rexmit_rto (struct tcp_pcb *pcb); -void tcp_rexmit_fast (struct tcp_pcb *pcb); -u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb); - -/** - * This is the Nagle algorithm: try to combine user data to send as few TCP - * segments as possible. Only send if - * - no previously transmitted data on the connection remains unacknowledged or - * - the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or - * - the only unsent segment is at least pcb->mss bytes long (or there is more - * than one unsent segment - with lwIP, this can happen although unsent->len < mss) - * - or if we are in fast-retransmit (TF_INFR) - */ -#define tcp_do_output_nagle(tpcb) ((((tpcb)->unacked == NULL) || \ - ((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \ - (((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \ - ((tpcb)->unsent->len >= (tpcb)->mss))) \ - ) ? 1 : 0) -#define tcp_output_nagle(tpcb) (tcp_do_output_nagle(tpcb) ? tcp_output(tpcb) : ERR_OK) - - -#define TCP_SEQ_LT(a,b) ((s32_t)((a)-(b)) < 0) -#define TCP_SEQ_LEQ(a,b) ((s32_t)((a)-(b)) <= 0) -#define TCP_SEQ_GT(a,b) ((s32_t)((a)-(b)) > 0) -#define TCP_SEQ_GEQ(a,b) ((s32_t)((a)-(b)) >= 0) -/* is b<=a<=c? */ -#if 0 /* see bug #10548 */ -#define TCP_SEQ_BETWEEN(a,b,c) ((c)-(b) >= (a)-(b)) -#endif -#define TCP_SEQ_BETWEEN(a,b,c) (TCP_SEQ_GEQ(a,b) && TCP_SEQ_LEQ(a,c)) -#define TCP_FIN 0x01U -#define TCP_SYN 0x02U -#define TCP_RST 0x04U -#define TCP_PSH 0x08U -#define TCP_ACK 0x10U -#define TCP_URG 0x20U -#define TCP_ECE 0x40U -#define TCP_CWR 0x80U - -#define TCP_FLAGS 0x3fU - -/* Length of the TCP header, excluding options. */ -#define TCP_HLEN 20 - -#ifndef TCP_TMR_INTERVAL -#define TCP_TMR_INTERVAL 250 /* The TCP timer interval in milliseconds. */ -#endif /* TCP_TMR_INTERVAL */ - -#ifndef TCP_FAST_INTERVAL -#define TCP_FAST_INTERVAL TCP_TMR_INTERVAL /* the fine grained timeout in milliseconds */ -#endif /* TCP_FAST_INTERVAL */ - -#ifndef TCP_SLOW_INTERVAL -#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) /* the coarse grained timeout in milliseconds */ -#endif /* TCP_SLOW_INTERVAL */ - -#define TCP_FIN_WAIT_TIMEOUT 20000 /* milliseconds */ -#define TCP_SYN_RCVD_TIMEOUT 20000 /* milliseconds */ - -#define TCP_OOSEQ_TIMEOUT 6U /* x RTO */ - -#ifndef TCP_MSL -#define TCP_MSL 60000UL /* The maximum segment lifetime in milliseconds */ -#endif - -/* Keepalive values, compliant with RFC 1122. Don't change this unless you know what you're doing */ -#ifndef TCP_KEEPIDLE_DEFAULT -#define TCP_KEEPIDLE_DEFAULT 7200000UL /* Default KEEPALIVE timer in milliseconds */ -#endif - -#ifndef TCP_KEEPINTVL_DEFAULT -#define TCP_KEEPINTVL_DEFAULT 75000UL /* Default Time between KEEPALIVE probes in milliseconds */ -#endif - -#ifndef TCP_KEEPCNT_DEFAULT -#define TCP_KEEPCNT_DEFAULT 9U /* Default Counter for KEEPALIVE probes */ -#endif - -#define TCP_MAXIDLE TCP_KEEPCNT_DEFAULT * TCP_KEEPINTVL_DEFAULT /* Maximum KEEPALIVE probe time */ - -/* Fields are (of course) in network byte order. - * Some fields are converted to host byte order in tcp_input(). - */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct tcp_hdr { - PACK_STRUCT_FIELD(u16_t src); - PACK_STRUCT_FIELD(u16_t dest); - PACK_STRUCT_FIELD(u32_t seqno); - PACK_STRUCT_FIELD(u32_t ackno); - PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags); - PACK_STRUCT_FIELD(u16_t wnd); - PACK_STRUCT_FIELD(u16_t chksum); - PACK_STRUCT_FIELD(u16_t urgp); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define TCPH_OFFSET(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 8) -#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12) -#define TCPH_FLAGS(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS) - -#define TCPH_OFFSET_SET(phdr, offset) (phdr)->_hdrlen_rsvd_flags = htons(((offset) << 8) | TCPH_FLAGS(phdr)) -#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | TCPH_FLAGS(phdr)) -#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & htons((u16_t)(~(u16_t)(TCP_FLAGS)))) | htons(flags)) -#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags)) -#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = htons(ntohs((phdr)->_hdrlen_rsvd_flags) | (TCPH_FLAGS(phdr) & ~(flags)) ) - -#define TCP_TCPLEN(seg) ((seg)->len + ((TCPH_FLAGS((seg)->tcphdr) & (TCP_FIN | TCP_SYN)) != 0)) - -enum tcp_state { - CLOSED = 0, - LISTEN = 1, - SYN_SENT = 2, - SYN_RCVD = 3, - ESTABLISHED = 4, - FIN_WAIT_1 = 5, - FIN_WAIT_2 = 6, - CLOSE_WAIT = 7, - CLOSING = 8, - LAST_ACK = 9, - TIME_WAIT = 10 -}; - -/** Flags used on input processing, not on pcb->flags -*/ -#define TF_RESET (u8_t)0x08U /* Connection was reset. */ -#define TF_CLOSED (u8_t)0x10U /* Connection was sucessfully closed. */ -#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */ - - -#if LWIP_CALLBACK_API - /* Function to call when a listener has been connected. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb a new tcp_pcb that now is connected - * @param err an error argument (TODO: that is current always ERR_OK?) - * @return ERR_OK: accept the new connection, - * any other err_t abortsthe new connection - */ -#define DEF_ACCEPT_CALLBACK err_t (* accept)(void *arg, struct tcp_pcb *newpcb, err_t err) -#else /* LWIP_CALLBACK_API */ -#define DEF_ACCEPT_CALLBACK -#endif /* LWIP_CALLBACK_API */ - -/** - * members common to struct tcp_pcb and struct tcp_listen_pcb - */ -#define TCP_PCB_COMMON(type) \ - type *next; /* for the linked list */ \ - enum tcp_state state; /* TCP state */ \ - u8_t prio; \ - void *callback_arg; \ - /* ports are in host byte order */ \ - u16_t local_port; \ - /* the accept callback for listen- and normal pcbs, if LWIP_CALLBACK_API */ \ - DEF_ACCEPT_CALLBACK - - -/* the TCP protocol control block */ -struct tcp_pcb { -/** common PCB members */ - IP_PCB; -/** protocol specific PCB members */ - TCP_PCB_COMMON(struct tcp_pcb); - - /* ports are in host byte order */ - u16_t remote_port; - - u8_t flags; -#define TF_ACK_DELAY ((u8_t)0x01U) /* Delayed ACK. */ -#define TF_ACK_NOW ((u8_t)0x02U) /* Immediate ACK. */ -#define TF_INFR ((u8_t)0x04U) /* In fast recovery. */ -#define TF_TIMESTAMP ((u8_t)0x08U) /* Timestamp option enabled */ -#define TF_FIN ((u8_t)0x20U) /* Connection was closed locally (FIN segment enqueued). */ -#define TF_NODELAY ((u8_t)0x40U) /* Disable Nagle algorithm */ -#define TF_NAGLEMEMERR ((u8_t)0x80U) /* nagle enabled, memerr, try to output to prevent delayed ACK to happen */ - - /* the rest of the fields are in host byte order - as we have to do some math with them */ - /* receiver variables */ - u32_t rcv_nxt; /* next seqno expected */ - u16_t rcv_wnd; /* receiver window available */ - u16_t rcv_ann_wnd; /* receiver window to announce */ - u32_t rcv_ann_right_edge; /* announced right edge of window */ - - /* Timers */ - u32_t tmr; - u8_t polltmr, pollinterval; - - /* Retransmission timer. */ - s16_t rtime; - - u16_t mss; /* maximum segment size */ - - /* RTT (round trip time) estimation variables */ - u32_t rttest; /* RTT estimate in 500ms ticks */ - u32_t rtseq; /* sequence number being timed */ - s16_t sa, sv; /* @todo document this */ - - s16_t rto; /* retransmission time-out */ - u8_t nrtx; /* number of retransmissions */ - - /* fast retransmit/recovery */ - u32_t lastack; /* Highest acknowledged seqno. */ - u8_t dupacks; - - /* congestion avoidance/control variables */ - u16_t cwnd; - u16_t ssthresh; - - /* sender variables */ - u32_t snd_nxt; /* next new seqno to be sent */ - u16_t snd_wnd; /* sender window */ - u32_t snd_wl1, snd_wl2; /* Sequence and acknowledgement numbers of last - window update. */ - u32_t snd_lbb; /* Sequence number of next byte to be buffered. */ - - u16_t acked; - - u16_t snd_buf; /* Available buffer space for sending (in bytes). */ -#define TCP_SNDQUEUELEN_OVERFLOW (0xffff-3) - u16_t snd_queuelen; /* Available buffer space for sending (in tcp_segs). */ - - - /* These are ordered by sequence number: */ - struct tcp_seg *unsent; /* Unsent (queued) segments. */ - struct tcp_seg *unacked; /* Sent but unacknowledged segments. */ -#if TCP_QUEUE_OOSEQ - struct tcp_seg *ooseq; /* Received out of sequence segments. */ -#endif /* TCP_QUEUE_OOSEQ */ - - struct pbuf *refused_data; /* Data previously received but not yet taken by upper layer */ - -#if LWIP_CALLBACK_API - /* Function to be called when more send buffer space is available. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb the tcp_pcb which has send buffer space available - * @param space the amount of bytes available - * @return ERR_OK: try to send some data by calling tcp_output - */ - err_t (* sent)(void *arg, struct tcp_pcb *pcb, u16_t space); - - /* Function to be called when (in-sequence) data has arrived. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb the tcp_pcb for which data has arrived - * @param p the packet buffer which arrived - * @param err an error argument (TODO: that is current always ERR_OK?) - * @return ERR_OK: try to send some data by calling tcp_output - */ - err_t (* recv)(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err); - - /* Function to be called when a connection has been set up. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb the tcp_pcb that now is connected - * @param err an error argument (TODO: that is current always ERR_OK?) - * @return value is currently ignored - */ - err_t (* connected)(void *arg, struct tcp_pcb *pcb, err_t err); - - /* Function which is called periodically. - * The period can be adjusted in multiples of the TCP slow timer interval - * by changing tcp_pcb.polltmr. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param pcb the tcp_pcb to poll for - * @return ERR_OK: try to send some data by calling tcp_output - */ - err_t (* poll)(void *arg, struct tcp_pcb *pcb); - - /* Function to be called whenever a fatal error occurs. - * There is no pcb parameter since most of the times, the pcb is - * already deallocated (or there is no pcb) when this function is called. - * @param arg user-supplied argument (tcp_pcb.callback_arg) - * @param err an indication why the error callback is called: - * ERR_ABRT: aborted through tcp_abort or by a TCP timer - * ERR_RST: the connection was reset by the remote host - */ - void (* errf)(void *arg, err_t err); -#endif /* LWIP_CALLBACK_API */ - -#if LWIP_TCP_TIMESTAMPS - u32_t ts_lastacksent; - u32_t ts_recent; -#endif /* LWIP_TCP_TIMESTAMPS */ - - /* idle time before KEEPALIVE is sent */ - u32_t keep_idle; -#if LWIP_TCP_KEEPALIVE - u32_t keep_intvl; - u32_t keep_cnt; -#endif /* LWIP_TCP_KEEPALIVE */ - - /* Persist timer counter */ - u32_t persist_cnt; - /* Persist timer back-off */ - u8_t persist_backoff; - - /* KEEPALIVE counter */ - u8_t keep_cnt_sent; -}; - -struct tcp_pcb_listen { -/* Common members of all PCB types */ - IP_PCB; -/* Protocol specific PCB members */ - TCP_PCB_COMMON(struct tcp_pcb_listen); - -#if TCP_LISTEN_BACKLOG - u8_t backlog; - u8_t accepts_pending; -#endif /* TCP_LISTEN_BACKLOG */ -}; - -#if LWIP_EVENT_API - -enum lwip_event { - LWIP_EVENT_ACCEPT, - LWIP_EVENT_SENT, - LWIP_EVENT_RECV, - LWIP_EVENT_CONNECTED, - LWIP_EVENT_POLL, - LWIP_EVENT_ERR -}; - -err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb, - enum lwip_event, - struct pbuf *p, - u16_t size, - err_t err); - -#define TCP_EVENT_ACCEPT(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_ACCEPT, NULL, 0, err) -#define TCP_EVENT_SENT(pcb,space,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_SENT, NULL, space, ERR_OK) -#define TCP_EVENT_RECV(pcb,p,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_RECV, (p), 0, (err)) -#define TCP_EVENT_CONNECTED(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_CONNECTED, NULL, 0, (err)) -#define TCP_EVENT_POLL(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\ - LWIP_EVENT_POLL, NULL, 0, ERR_OK) -#define TCP_EVENT_ERR(errf,arg,err) lwip_tcp_event((arg), NULL, \ - LWIP_EVENT_ERR, NULL, 0, (err)) -#else /* LWIP_EVENT_API */ - -#define TCP_EVENT_ACCEPT(pcb,err,ret) \ - do { \ - if((pcb)->accept != NULL) \ - (ret) = (pcb)->accept((pcb)->callback_arg,(pcb),(err)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_SENT(pcb,space,ret) \ - do { \ - if((pcb)->sent != NULL) \ - (ret) = (pcb)->sent((pcb)->callback_arg,(pcb),(space)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_RECV(pcb,p,err,ret) \ - do { \ - if((pcb)->recv != NULL) { \ - (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err)); \ - } else { \ - (ret) = tcp_recv_null(NULL, (pcb), (p), (err)); \ - } \ - } while (0) - -#define TCP_EVENT_CONNECTED(pcb,err,ret) \ - do { \ - if((pcb)->connected != NULL) \ - (ret) = (pcb)->connected((pcb)->callback_arg,(pcb),(err)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_POLL(pcb,ret) \ - do { \ - if((pcb)->poll != NULL) \ - (ret) = (pcb)->poll((pcb)->callback_arg,(pcb)); \ - else (ret) = ERR_OK; \ - } while (0) - -#define TCP_EVENT_ERR(errf,arg,err) \ - do { \ - if((errf) != NULL) \ - (errf)((arg),(err)); \ - } while (0) - -#endif /* LWIP_EVENT_API */ - -/* This structure represents a TCP segment on the unsent and unacked queues */ -struct tcp_seg { - struct tcp_seg *next; /* used when putting segements on a queue */ - struct pbuf *p; /* buffer containing data + TCP header */ - void *dataptr; /* pointer to the TCP data in the pbuf */ - u16_t len; /* the TCP length of this segment */ - u8_t flags; -#define TF_SEG_OPTS_MSS (u8_t)0x01U /* Include MSS option. */ -#define TF_SEG_OPTS_TS (u8_t)0x02U /* Include timestamp option. */ - struct tcp_hdr *tcphdr; /* the TCP header */ -}; - -#define LWIP_TCP_OPT_LENGTH(flags) \ - (flags & TF_SEG_OPTS_MSS ? 4 : 0) + \ - (flags & TF_SEG_OPTS_TS ? 12 : 0) - -/** This returns a TCP header option for MSS in an u32_t */ -#define TCP_BUILD_MSS_OPTION(x) (x) = htonl(((u32_t)2 << 24) | \ - ((u32_t)4 << 16) | \ - (((u32_t)TCP_MSS / 256) << 8) | \ - (TCP_MSS & 255)) - -/* Internal functions and global variables: */ -struct tcp_pcb *tcp_pcb_copy(struct tcp_pcb *pcb); -void tcp_pcb_purge(struct tcp_pcb *pcb); -void tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb); - -u8_t tcp_segs_free(struct tcp_seg *seg); -u8_t tcp_seg_free(struct tcp_seg *seg); -struct tcp_seg *tcp_seg_copy(struct tcp_seg *seg); - -#define tcp_ack(pcb) \ - do { \ - if((pcb)->flags & TF_ACK_DELAY) { \ - (pcb)->flags &= ~TF_ACK_DELAY; \ - (pcb)->flags |= TF_ACK_NOW; \ - tcp_output(pcb); \ - } \ - else { \ - (pcb)->flags |= TF_ACK_DELAY; \ - } \ - } while (0) - -#define tcp_ack_now(pcb) \ - do { \ - (pcb)->flags |= TF_ACK_NOW; \ - tcp_output(pcb); \ - } while (0) - -err_t tcp_send_ctrl(struct tcp_pcb *pcb, u8_t flags); -err_t tcp_enqueue(struct tcp_pcb *pcb, void *dataptr, u16_t len, - u8_t flags, u8_t apiflags, u8_t optflags); - -void tcp_rexmit_seg(struct tcp_pcb *pcb, struct tcp_seg *seg); - -void tcp_rst(u32_t seqno, u32_t ackno, - struct ip_addr *local_ip, struct ip_addr *remote_ip, - u16_t local_port, u16_t remote_port); - -u32_t tcp_next_iss(void); - -void tcp_keepalive(struct tcp_pcb *pcb); -void tcp_zero_window_probe(struct tcp_pcb *pcb); - -#if TCP_CALCULATE_EFF_SEND_MSS -u16_t tcp_eff_send_mss(u16_t sendmss, struct ip_addr *addr); -#endif /* TCP_CALCULATE_EFF_SEND_MSS */ - -#if LWIP_CALLBACK_API -err_t tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err); -#endif /* LWIP_CALLBACK_API */ - -extern struct tcp_pcb *tcp_input_pcb; -extern u32_t tcp_ticks; - -const char* tcp_debug_state_str(enum tcp_state s); -#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG -void tcp_debug_print(struct tcp_hdr *tcphdr); -void tcp_debug_print_flags(u8_t flags); -void tcp_debug_print_state(enum tcp_state s); -void tcp_debug_print_pcbs(void); -s16_t tcp_pcbs_sane(void); -#else -# define tcp_debug_print(tcphdr) -# define tcp_debug_print_flags(flags) -# define tcp_debug_print_state(s) -# define tcp_debug_print_pcbs() -# define tcp_pcbs_sane() 1 -#endif /* TCP_DEBUG */ - -#if NO_SYS -#define tcp_timer_needed() -#else -void tcp_timer_needed(void); -#endif - -/* The TCP PCB lists. */ -union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */ - struct tcp_pcb_listen *listen_pcbs; - struct tcp_pcb *pcbs; -}; -extern union tcp_listen_pcbs_t tcp_listen_pcbs; -extern struct tcp_pcb *tcp_active_pcbs; /* List of all TCP PCBs that are in a - state in which they accept or send - data. */ -extern struct tcp_pcb *tcp_tw_pcbs; /* List of all TCP PCBs in TIME-WAIT. */ - -extern struct tcp_pcb *tcp_tmp_pcb; /* Only used for temporary storage. */ - -/* Axioms about the above lists: - 1) Every TCP PCB that is not CLOSED is in one of the lists. - 2) A PCB is only in one of the lists. - 3) All PCBs in the tcp_listen_pcbs list is in LISTEN state. - 4) All PCBs in the tcp_tw_pcbs list is in TIME-WAIT state. -*/ - -/* Define two macros, TCP_REG and TCP_RMV that registers a TCP PCB - with a PCB list or removes a PCB from a list, respectively. */ -#if 0 -#define TCP_REG(pcbs, npcb) do {\ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_REG %p local port %d\n", npcb, npcb->local_port)); \ - for(tcp_tmp_pcb = *pcbs; \ - tcp_tmp_pcb != NULL; \ - tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - LWIP_ASSERT("TCP_REG: already registered\n", tcp_tmp_pcb != npcb); \ - } \ - LWIP_ASSERT("TCP_REG: pcb->state != CLOSED", npcb->state != CLOSED); \ - npcb->next = *pcbs; \ - LWIP_ASSERT("TCP_REG: npcb->next != npcb", npcb->next != npcb); \ - *(pcbs) = npcb; \ - LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \ - tcp_timer_needed(); \ - } while(0) -#define TCP_RMV(pcbs, npcb) do { \ - LWIP_ASSERT("TCP_RMV: pcbs != NULL", *pcbs != NULL); \ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removing %p from %p\n", npcb, *pcbs)); \ - if(*pcbs == npcb) { \ - *pcbs = (*pcbs)->next; \ - } else for(tcp_tmp_pcb = *pcbs; tcp_tmp_pcb != NULL; tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - if(tcp_tmp_pcb->next == npcb) { \ - tcp_tmp_pcb->next = npcb->next; \ - break; \ - } \ - } \ - npcb->next = NULL; \ - LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \ - LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removed %p from %p\n", npcb, *pcbs)); \ - } while(0) - -#else /* LWIP_DEBUG */ - -#define TCP_REG(pcbs, npcb) \ - do { \ - npcb->next = *pcbs; \ - *(pcbs) = npcb; \ - tcp_timer_needed(); \ - } while (0) - -#define TCP_RMV(pcbs, npcb) \ - do { \ - if(*(pcbs) == npcb) { \ - (*(pcbs)) = (*pcbs)->next; \ - } \ - else { \ - for(tcp_tmp_pcb = *pcbs; \ - tcp_tmp_pcb != NULL; \ - tcp_tmp_pcb = tcp_tmp_pcb->next) { \ - if(tcp_tmp_pcb->next == npcb) { \ - tcp_tmp_pcb->next = npcb->next; \ - break; \ - } \ - } \ - } \ - npcb->next = NULL; \ - } while(0) - -#endif /* LWIP_DEBUG */ - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_TCP */ - -#endif /* __LWIP_TCP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcpip.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcpip.h deleted file mode 100644 index 00a3ec5..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/tcpip.h +++ /dev/null @@ -1,143 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_TCPIP_H__ -#define __LWIP_TCPIP_H__ - -#include "lwip/opt.h" - -#if !NO_SYS /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/api_msg.h" -#include "lwip/netifapi.h" -#include "lwip/pbuf.h" -#include "lwip/api.h" -#include "lwip/sys.h" -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if LWIP_TCPIP_CORE_LOCKING -/** The global semaphore to lock the stack. */ -extern sys_sem_t lock_tcpip_core; -#define LOCK_TCPIP_CORE() sys_sem_wait(lock_tcpip_core) -#define UNLOCK_TCPIP_CORE() sys_sem_signal(lock_tcpip_core) -#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m) -#define TCPIP_APIMSG_ACK(m) -#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m) -#define TCPIP_NETIFAPI_ACK(m) -#else -#define LOCK_TCPIP_CORE() -#define UNLOCK_TCPIP_CORE() -#define TCPIP_APIMSG(m) tcpip_apimsg(m) -#define TCPIP_APIMSG_ACK(m) sys_sem_signal(m->conn->op_completed) -#define TCPIP_NETIFAPI(m) tcpip_netifapi(m) -#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(m->sem) -#endif /* LWIP_TCPIP_CORE_LOCKING */ - -void tcpip_init(void (* tcpip_init_done)(void *), void *arg); - -#if LWIP_NETCONN -err_t tcpip_apimsg(struct api_msg *apimsg); -#if LWIP_TCPIP_CORE_LOCKING -err_t tcpip_apimsg_lock(struct api_msg *apimsg); -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETCONN */ - -err_t tcpip_input(struct pbuf *p, struct netif *inp); - -#if LWIP_NETIF_API -err_t tcpip_netifapi(struct netifapi_msg *netifapimsg); -#if LWIP_TCPIP_CORE_LOCKING -err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg); -#endif /* LWIP_TCPIP_CORE_LOCKING */ -#endif /* LWIP_NETIF_API */ - -err_t tcpip_callback_with_block(void (*f)(void *ctx), void *ctx, u8_t block); -#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1) - -/* free pbufs or heap memory from another context without blocking */ -err_t pbuf_free_callback(struct pbuf *p); -err_t mem_free_callback(void *m); - -err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg); -err_t tcpip_untimeout(sys_timeout_handler h, void *arg); - -enum tcpip_msg_type { -#if LWIP_NETCONN - TCPIP_MSG_API, -#endif /* LWIP_NETCONN */ - TCPIP_MSG_INPKT, -#if LWIP_NETIF_API - TCPIP_MSG_NETIFAPI, -#endif /* LWIP_NETIF_API */ - TCPIP_MSG_CALLBACK, - TCPIP_MSG_TIMEOUT, - TCPIP_MSG_UNTIMEOUT -}; - -struct tcpip_msg { - enum tcpip_msg_type type; - sys_sem_t *sem; - union { -#if LWIP_NETCONN - struct api_msg *apimsg; -#endif /* LWIP_NETCONN */ -#if LWIP_NETIF_API - struct netifapi_msg *netifapimsg; -#endif /* LWIP_NETIF_API */ - struct { - struct pbuf *p; - struct netif *netif; - } inp; - struct { - void (*f)(void *ctx); - void *ctx; - } cb; - struct { - u32_t msecs; - sys_timeout_handler h; - void *arg; - } tmo; - } msg; -}; - -#ifdef __cplusplus -} -#endif - -#endif /* !NO_SYS */ - -#endif /* __LWIP_TCPIP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/udp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/udp.h deleted file mode 100644 index 1269ee1..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/lwip/udp.h +++ /dev/null @@ -1,155 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIP_UDP_H__ -#define __LWIP_UDP_H__ - -#include "lwip/opt.h" - -#if LWIP_UDP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/netif.h" -#include "lwip/ip_addr.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define UDP_HLEN 8 - -/* Fields are (of course) in network byte order. */ -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct udp_hdr { - PACK_STRUCT_FIELD(u16_t src); - PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */ - PACK_STRUCT_FIELD(u16_t len); - PACK_STRUCT_FIELD(u16_t chksum); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define UDP_FLAGS_NOCHKSUM 0x01U -#define UDP_FLAGS_UDPLITE 0x02U -#define UDP_FLAGS_CONNECTED 0x04U - -struct udp_pcb { -/* Common members of all PCB types */ - IP_PCB; - -/* Protocol specific PCB members */ - - struct udp_pcb *next; - - u8_t flags; - /* ports are in host byte order */ - u16_t local_port, remote_port; - -#if LWIP_IGMP - /* outgoing network interface for multicast packets */ - struct ip_addr multicast_ip; -#endif /* LWIP_IGMP */ - -#if LWIP_UDPLITE - /* used for UDP_LITE only */ - u16_t chksum_len_rx, chksum_len_tx; -#endif /* LWIP_UDPLITE */ - - /* receive callback function - * addr and port are in same byte order as in the pcb - * The callback is responsible for freeing the pbuf - * if it's not used any more. - * - * ATTENTION: Be aware that 'addr' points into the pbuf 'p' so freeing this pbuf - * makes 'addr' invalid, too. - * - * @param arg user supplied argument (udp_pcb.recv_arg) - * @param pcb the udp_pcb which received data - * @param p the packet buffer that was received - * @param addr the remote IP address from which the packet was received - * @param port the remote port from which the packet was received - */ - void (* recv)(void *arg, struct udp_pcb *pcb, struct pbuf *p, - struct ip_addr *addr, u16_t port); - /* user-supplied argument for the recv callback */ - void *recv_arg; -}; -/* udp_pcbs export for exernal reference (e.g. SNMP agent) */ -extern struct udp_pcb *udp_pcbs; - -/* The following functions is the application layer interface to the - UDP code. */ -struct udp_pcb * udp_new (void); -void udp_remove (struct udp_pcb *pcb); -err_t udp_bind (struct udp_pcb *pcb, struct ip_addr *ipaddr, - u16_t port); -err_t udp_connect (struct udp_pcb *pcb, struct ip_addr *ipaddr, - u16_t port); -void udp_disconnect (struct udp_pcb *pcb); -void udp_recv (struct udp_pcb *pcb, - void (* recv)(void *arg, struct udp_pcb *upcb, - struct pbuf *p, - struct ip_addr *addr, - u16_t port), - void *recv_arg); -err_t udp_sendto_if (struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *dst_ip, u16_t dst_port, struct netif *netif); -err_t udp_sendto (struct udp_pcb *pcb, struct pbuf *p, struct ip_addr *dst_ip, u16_t dst_port); -err_t udp_send (struct udp_pcb *pcb, struct pbuf *p); - -#define udp_flags(pcb) ((pcb)->flags) -#define udp_setflags(pcb, f) ((pcb)->flags = (f)) - -/* The following functions are the lower layer interface to UDP. */ -void udp_input (struct pbuf *p, struct netif *inp); - -#define udp_init() /* Compatibility define, not init needed. */ - -#if UDP_DEBUG -void udp_debug_print(struct udp_hdr *udphdr); -#else -#define udp_debug_print(udphdr) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_UDP */ - -#endif /* __LWIP_UDP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/etharp.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/etharp.h deleted file mode 100644 index fb1542a..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/etharp.h +++ /dev/null @@ -1,194 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2003 Swedish Institute of Computer Science. - * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> - * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ - -#ifndef __NETIF_ETHARP_H__ -#define __NETIF_ETHARP_H__ - -#include "lwip/opt.h" - -#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/pbuf.h" -#include "lwip/ip_addr.h" -#include "lwip/netif.h" -#include "lwip/ip.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifndef ETH_PAD_SIZE -#define ETH_PAD_SIZE 0 -#endif - -#ifndef ETHARP_HWADDR_LEN -#define ETHARP_HWADDR_LEN 6 -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct eth_addr { - PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct eth_hdr { -#if ETH_PAD_SIZE - PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]); -#endif - PACK_STRUCT_FIELD(struct eth_addr dest); - PACK_STRUCT_FIELD(struct eth_addr src); - PACK_STRUCT_FIELD(u16_t type); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE) - -#if ETHARP_SUPPORT_VLAN - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct eth_vlan_hdr { - PACK_STRUCT_FIELD(u16_t tpid); - PACK_STRUCT_FIELD(u16_t prio_vid); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_VLAN_HDR 4 -#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF) - -#endif /* ETHARP_SUPPORT_VLAN */ - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -/** the ARP message */ -struct etharp_hdr { - PACK_STRUCT_FIELD(u16_t hwtype); - PACK_STRUCT_FIELD(u16_t proto); - PACK_STRUCT_FIELD(u16_t _hwlen_protolen); - PACK_STRUCT_FIELD(u16_t opcode); - PACK_STRUCT_FIELD(struct eth_addr shwaddr); - PACK_STRUCT_FIELD(struct ip_addr2 sipaddr); - PACK_STRUCT_FIELD(struct eth_addr dhwaddr); - PACK_STRUCT_FIELD(struct ip_addr2 dipaddr); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#define SIZEOF_ETHARP_HDR 28 -#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR) - -/** 5 seconds period */ -#define ARP_TMR_INTERVAL 5000 - -#define ETHTYPE_ARP 0x0806 -#define ETHTYPE_IP 0x0800 -#define ETHTYPE_VLAN 0x8100 -#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ -#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ - -/** ARP message types (opcodes) */ -#define ARP_REQUEST 1 -#define ARP_REPLY 2 - -#if ARP_QUEUEING -/** struct for queueing outgoing packets for unknown address - * defined here to be accessed by memp.h - */ -struct etharp_q_entry { - struct etharp_q_entry *next; - struct pbuf *p; -}; -#endif /* ARP_QUEUEING */ - -#define etharp_init() /* Compatibility define, not init needed. */ -void etharp_tmr(void); -s8_t etharp_find_addr(struct netif *netif, struct ip_addr *ipaddr, - struct eth_addr **eth_ret, struct ip_addr **ip_ret); -void etharp_ip_input(struct netif *netif, struct pbuf *p); -void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, - struct pbuf *p); -err_t etharp_output(struct netif *netif, struct pbuf *q, struct ip_addr *ipaddr); -err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q); -err_t etharp_request(struct netif *netif, struct ip_addr *ipaddr); -/** For Ethernet network interfaces, we might want to send "gratuitous ARP"; - * this is an ARP packet sent by a node in order to spontaneously cause other - * nodes to update an entry in their ARP cache. - * From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */ -#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr) - -err_t ethernet_input(struct pbuf *p, struct netif *netif); - -#if LWIP_AUTOIP -err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, - const struct eth_addr *ethdst_addr, - const struct eth_addr *hwsrc_addr, const struct ip_addr *ipsrc_addr, - const struct eth_addr *hwdst_addr, const struct ip_addr *ipdst_addr, - const u16_t opcode); -#endif /* LWIP_AUTOIP */ - -#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0) - -extern const struct eth_addr ethbroadcast, ethzero; - -#ifdef __cplusplus -} -#endif - -#endif /* LWIP_ARP */ - -#endif /* __NETIF_ARP_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/loopif.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/loopif.h deleted file mode 100644 index 3f4fa62..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/loopif.h +++ /dev/null @@ -1,55 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __NETIF_LOOPIF_H__ -#define __NETIF_LOOPIF_H__ - -#include "lwip/opt.h" -#include "lwip/netif.h" -#include "lwip/err.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#if !LWIP_NETIF_LOOPBACK_MULTITHREADING -#define loopif_poll netif_poll -#endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */ - -err_t loopif_init(struct netif *netif); - -#ifdef __cplusplus -} -#endif - -#endif /* __NETIF_LOOPIF_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/ppp_oe.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/ppp_oe.h deleted file mode 100644 index fac0a78..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/ppp_oe.h +++ /dev/null @@ -1,163 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/***************************************************************************** -* ppp_oe.h - PPP Over Ethernet implementation for lwIP. -* -* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc. -* -* The authors hereby grant permission to use, copy, modify, distribute, -* and license this software and its documentation for any purpose, provided -* that existing copyright notices are retained in all copies and that this -* notice and the following disclaimer are included verbatim in any -* distributions. No written agreement, license, or royalty fee is required -* for any of the authorized uses. -* -* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR -* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -* -****************************************************************************** -* REVISION HISTORY -* -* 06-01-01 Marc Boucher <marc@mbsi.ca> -* Ported to lwIP. -*****************************************************************************/ - - - -/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */ - -/*- - * Copyright (c) 2002 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Martin Husemann <martin@NetBSD.org>. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#ifndef PPP_OE_H -#define PPP_OE_H - -#include "lwip/opt.h" - -#if PPPOE_SUPPORT > 0 - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct pppoehdr { - PACK_STRUCT_FIELD(u8_t vertype); - PACK_STRUCT_FIELD(u8_t code); - PACK_STRUCT_FIELD(u16_t session); - PACK_STRUCT_FIELD(u16_t plen); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/bpstruct.h" -#endif -PACK_STRUCT_BEGIN -struct pppoetag { - PACK_STRUCT_FIELD(u16_t tag); - PACK_STRUCT_FIELD(u16_t len); -} PACK_STRUCT_STRUCT; -PACK_STRUCT_END -#ifdef PACK_STRUCT_USE_INCLUDES -# include "arch/epstruct.h" -#endif - - -#define PPPOE_STATE_INITIAL 0 -#define PPPOE_STATE_PADI_SENT 1 -#define PPPOE_STATE_PADR_SENT 2 -#define PPPOE_STATE_SESSION 3 -#define PPPOE_STATE_CLOSING 4 -/* passive */ -#define PPPOE_STATE_PADO_SENT 1 - -#define PPPOE_HEADERLEN sizeof(struct pppoehdr) -#define PPPOE_VERTYPE 0x11 /* VER=1, TYPE = 1 */ - -#define PPPOE_TAG_EOL 0x0000 /* end of list */ -#define PPPOE_TAG_SNAME 0x0101 /* service name */ -#define PPPOE_TAG_ACNAME 0x0102 /* access concentrator name */ -#define PPPOE_TAG_HUNIQUE 0x0103 /* host unique */ -#define PPPOE_TAG_ACCOOKIE 0x0104 /* AC cookie */ -#define PPPOE_TAG_VENDOR 0x0105 /* vendor specific */ -#define PPPOE_TAG_RELAYSID 0x0110 /* relay session id */ -#define PPPOE_TAG_SNAME_ERR 0x0201 /* service name error */ -#define PPPOE_TAG_ACSYS_ERR 0x0202 /* AC system error */ -#define PPPOE_TAG_GENERIC_ERR 0x0203 /* gerneric error */ - -#define PPPOE_CODE_PADI 0x09 /* Active Discovery Initiation */ -#define PPPOE_CODE_PADO 0x07 /* Active Discovery Offer */ -#define PPPOE_CODE_PADR 0x19 /* Active Discovery Request */ -#define PPPOE_CODE_PADS 0x65 /* Active Discovery Session confirmation */ -#define PPPOE_CODE_PADT 0xA7 /* Active Discovery Terminate */ - -#ifndef ETHERMTU -#define ETHERMTU 1500 -#endif - -/* two byte PPP protocol discriminator, then IP data */ -#define PPPOE_MAXMTU (ETHERMTU-PPPOE_HEADERLEN-2) - -struct pppoe_softc; - - -void pppoe_init(void); - -err_t pppoe_create(struct netif *ethif, int pd, void (*linkStatusCB)(int pd, int up), struct pppoe_softc **scptr); -err_t pppoe_destroy(struct netif *ifp); - -int pppoe_connect(struct pppoe_softc *sc); -void pppoe_disconnect(struct pppoe_softc *sc); - -void pppoe_disc_input(struct netif *netif, struct pbuf *p); -void pppoe_data_input(struct netif *netif, struct pbuf *p); - -err_t pppoe_xmit(struct pppoe_softc *sc, struct pbuf *pb); - -extern int pppoe_hdrlen; - -#endif /* PPPOE_SUPPORT */ - -#endif /* PPP_OE_H */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/slipif.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/slipif.h deleted file mode 100644 index ddc2dfa..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/include/netif/slipif.h +++ /dev/null @@ -1,53 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/* - * Copyright (c) 2001, Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __NETIF_SLIPIF_H__ -#define __NETIF_SLIPIF_H__ - -#include "lwip/netif.h" - -#ifdef __cplusplus -extern "C" { -#endif - -err_t slipif_init(struct netif * netif); -void slipif_poll(struct netif *netif); - -#ifdef __cplusplus -} -#endif - -#endif - diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/etharp.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/etharp.c deleted file mode 100644 index 1a5d134..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/etharp.c +++ /dev/null @@ -1,1224 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Address Resolution Protocol module for IP over Ethernet - * - * Functionally, ARP is divided into two parts. The first maps an IP address - * to a physical address when sending a packet, and the second part answers - * requests from other machines for our physical address. - * - * This implementation complies with RFC 826 (Ethernet ARP). It supports - * Gratuitious ARP from RFC3220 (IP Mobility Support for IPv4) section 4.6 - * if an interface calls etharp_gratuitous(our_netif) upon address change. - */ - -/* - * Copyright (c) 2001-2003 Swedish Institute of Computer Science. - * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> - * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - */ - -#include "lwip/opt.h" - -#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */ - -#include "lwip/inet.h" -#include "lwip/ip.h" -#include "lwip/stats.h" -#include "lwip/snmp.h" -#include "lwip/dhcp.h" -#include "lwip/autoip.h" -#include "netif/etharp.h" - -#if PPPOE_SUPPORT -#include "netif/ppp_oe.h" -#endif /* PPPOE_SUPPORT */ - -#include <string.h> - -/** the time an ARP entry stays valid after its last update, - * for ARP_TMR_INTERVAL = 5000, this is - * (240 * 5) seconds = 20 minutes. - */ -#define ARP_MAXAGE 240 -/** the time an ARP entry stays pending after first request, - * for ARP_TMR_INTERVAL = 5000, this is - * (2 * 5) seconds = 10 seconds. - * - * @internal Keep this number at least 2, otherwise it might - * run out instantly if the timeout occurs directly after a request. - */ -#define ARP_MAXPENDING 2 - -#define HWTYPE_ETHERNET 1 - -#define ARPH_HWLEN(hdr) (ntohs((hdr)->_hwlen_protolen) >> 8) -#define ARPH_PROTOLEN(hdr) (ntohs((hdr)->_hwlen_protolen) & 0xff) - -#define ARPH_HWLEN_SET(hdr, len) (hdr)->_hwlen_protolen = htons(ARPH_PROTOLEN(hdr) | ((len) << 8)) -#define ARPH_PROTOLEN_SET(hdr, len) (hdr)->_hwlen_protolen = htons((len) | (ARPH_HWLEN(hdr) << 8)) - -enum etharp_state { - ETHARP_STATE_EMPTY = 0, - ETHARP_STATE_PENDING, - ETHARP_STATE_STABLE -}; - -struct etharp_entry { -#if ARP_QUEUEING - /** - * Pointer to queue of pending outgoing packets on this ARP entry. - */ - struct etharp_q_entry *q; -#endif - struct ip_addr ipaddr; - struct eth_addr ethaddr; - enum etharp_state state; - u8_t ctime; - struct netif *netif; -}; - -const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}}; -const struct eth_addr ethzero = {{0,0,0,0,0,0}}; -static struct etharp_entry arp_table[ARP_TABLE_SIZE]; -#if !LWIP_NETIF_HWADDRHINT -static u8_t etharp_cached_entry; -#endif - -/** - * Try hard to create a new entry - we want the IP address to appear in - * the cache (even if this means removing an active entry or so). */ -#define ETHARP_TRY_HARD 1 -#define ETHARP_FIND_ONLY 2 - -#if LWIP_NETIF_HWADDRHINT -#define NETIF_SET_HINT(netif, hint) if (((netif) != NULL) && ((netif)->addr_hint != NULL)) \ - *((netif)->addr_hint) = (hint); -static s8_t find_entry(struct ip_addr *ipaddr, u8_t flags, struct netif *netif); -#else /* LWIP_NETIF_HWADDRHINT */ -static s8_t find_entry(struct ip_addr *ipaddr, u8_t flags); -#endif /* LWIP_NETIF_HWADDRHINT */ - -static err_t update_arp_entry(struct netif *netif, struct ip_addr *ipaddr, struct eth_addr *ethaddr, u8_t flags); - - -/* Some checks, instead of etharp_init(): */ -#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f)) - #error "If you want to use ARP, ARP_TABLE_SIZE must fit in an s8_t, so, you have to reduce it in your lwipopts.h" -#endif - - -#if ARP_QUEUEING -/** - * Free a complete queue of etharp entries - * - * @param q a qeueue of etharp_q_entry's to free - */ -static void -free_etharp_q(struct etharp_q_entry *q) -{ - struct etharp_q_entry *r; - LWIP_ASSERT("q != NULL", q != NULL); - LWIP_ASSERT("q->p != NULL", q->p != NULL); - while (q) { - r = q; - q = q->next; - LWIP_ASSERT("r->p != NULL", (r->p != NULL)); - pbuf_free(r->p); - memp_free(MEMP_ARP_QUEUE, r); - } -} -#endif - -/** - * Clears expired entries in the ARP table. - * - * This function should be called every ETHARP_TMR_INTERVAL microseconds (5 seconds), - * in order to expire entries in the ARP table. - */ -void -etharp_tmr(void) -{ - u8_t i; - - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer\n")); - /* remove expired entries from the ARP table */ - for (i = 0; i < ARP_TABLE_SIZE; ++i) { - arp_table[i].ctime++; - if (((arp_table[i].state == ETHARP_STATE_STABLE) && - (arp_table[i].ctime >= ARP_MAXAGE)) || - ((arp_table[i].state == ETHARP_STATE_PENDING) && - (arp_table[i].ctime >= ARP_MAXPENDING))) { - /* pending or stable entry has become old! */ - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: expired %s entry %"U16_F".\n", - arp_table[i].state == ETHARP_STATE_STABLE ? "stable" : "pending", (u16_t)i)); - /* clean up entries that have just been expired */ - /* remove from SNMP ARP index tree */ - snmp_delete_arpidx_tree(arp_table[i].netif, &arp_table[i].ipaddr); -#if ARP_QUEUEING - /* and empty packet queue */ - if (arp_table[i].q != NULL) { - /* remove all queued packets */ - LWIP_DEBUGF(ETHARP_DEBUG, ("etharp_timer: freeing entry %"U16_F", packet queue %p.\n", (u16_t)i, (void *)(arp_table[i].q))); - free_etharp_q(arp_table[i].q); - arp_table[i].q = NULL; - } -#endif - /* recycle entry for re-use */ - arp_table[i].state = ETHARP_STATE_EMPTY; - } -#if ARP_QUEUEING - /* still pending entry? (not expired) */ - if (arp_table[i].state == ETHARP_STATE_PENDING) { - /* resend an ARP query here? */ - } -#endif - } -} - -/** - * Search the ARP table for a matching or new entry. - * - * If an IP address is given, return a pending or stable ARP entry that matches - * the address. If no match is found, create a new entry with this address set, - * but in state ETHARP_EMPTY. The caller must check and possibly change the - * state of the returned entry. - * - * If ipaddr is NULL, return a initialized new entry in state ETHARP_EMPTY. - * - * In all cases, attempt to create new entries from an empty entry. If no - * empty entries are available and ETHARP_TRY_HARD flag is set, recycle - * old entries. Heuristic choose the least important entry for recycling. - * - * @param ipaddr IP address to find in ARP cache, or to add if not found. - * @param flags - * - ETHARP_TRY_HARD: Try hard to create a entry by allowing recycling of - * active (stable or pending) entries. - * - * @return The ARP entry index that matched or is created, ERR_MEM if no - * entry is found or could be recycled. - */ -static s8_t -#if LWIP_NETIF_HWADDRHINT -find_entry(struct ip_addr *ipaddr, u8_t flags, struct netif *netif) -#else /* LWIP_NETIF_HWADDRHINT */ -find_entry(struct ip_addr *ipaddr, u8_t flags) -#endif /* LWIP_NETIF_HWADDRHINT */ -{ - s8_t old_pending = ARP_TABLE_SIZE, old_stable = ARP_TABLE_SIZE; - s8_t empty = ARP_TABLE_SIZE; - u8_t i = 0, age_pending = 0, age_stable = 0; -#if ARP_QUEUEING - /* oldest entry with packets on queue */ - s8_t old_queue = ARP_TABLE_SIZE; - /* its age */ - u8_t age_queue = 0; -#endif - - /* First, test if the last call to this function asked for the - * same address. If so, we're really fast! */ - if (ipaddr) { - /* ipaddr to search for was given */ -#if LWIP_NETIF_HWADDRHINT - if ((netif != NULL) && (netif->addr_hint != NULL)) { - /* per-pcb cached entry was given */ - u8_t per_pcb_cache = *(netif->addr_hint); - if ((per_pcb_cache < ARP_TABLE_SIZE) && arp_table[per_pcb_cache].state == ETHARP_STATE_STABLE) { - /* the per-pcb-cached entry is stable */ - if (ip_addr_cmp(ipaddr, &arp_table[per_pcb_cache].ipaddr)) { - /* per-pcb cached entry was the right one! */ - ETHARP_STATS_INC(etharp.cachehit); - return per_pcb_cache; - } - } - } -#else /* #if LWIP_NETIF_HWADDRHINT */ - if (arp_table[etharp_cached_entry].state == ETHARP_STATE_STABLE) { - /* the cached entry is stable */ - if (ip_addr_cmp(ipaddr, &arp_table[etharp_cached_entry].ipaddr)) { - /* cached entry was the right one! */ - ETHARP_STATS_INC(etharp.cachehit); - return etharp_cached_entry; - } - } -#endif /* #if LWIP_NETIF_HWADDRHINT */ - } - - /** - * a) do a search through the cache, remember candidates - * b) select candidate entry - * c) create new entry - */ - - /* a) in a single search sweep, do all of this - * 1) remember the first empty entry (if any) - * 2) remember the oldest stable entry (if any) - * 3) remember the oldest pending entry without queued packets (if any) - * 4) remember the oldest pending entry with queued packets (if any) - * 5) search for a matching IP entry, either pending or stable - * until 5 matches, or all entries are searched for. - */ - - for (i = 0; i < ARP_TABLE_SIZE; ++i) { - /* no empty entry found yet and now we do find one? */ - if ((empty == ARP_TABLE_SIZE) && (arp_table[i].state == ETHARP_STATE_EMPTY)) { - LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %"U16_F"\n", (u16_t)i)); - /* remember first empty entry */ - empty = i; - } - /* pending entry? */ - else if (arp_table[i].state == ETHARP_STATE_PENDING) { - /* if given, does IP address match IP address in ARP entry? */ - if (ipaddr && ip_addr_cmp(ipaddr, &arp_table[i].ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: found matching pending entry %"U16_F"\n", (u16_t)i)); - /* found exact IP address match, simply bail out */ -#if LWIP_NETIF_HWADDRHINT - NETIF_SET_HINT(netif, i); -#else /* #if LWIP_NETIF_HWADDRHINT */ - etharp_cached_entry = i; -#endif /* #if LWIP_NETIF_HWADDRHINT */ - return i; -#if ARP_QUEUEING - /* pending with queued packets? */ - } else if (arp_table[i].q != NULL) { - if (arp_table[i].ctime >= age_queue) { - old_queue = i; - age_queue = arp_table[i].ctime; - } -#endif - /* pending without queued packets? */ - } else { - if (arp_table[i].ctime >= age_pending) { - old_pending = i; - age_pending = arp_table[i].ctime; - } - } - } - /* stable entry? */ - else if (arp_table[i].state == ETHARP_STATE_STABLE) { - /* if given, does IP address match IP address in ARP entry? */ - if (ipaddr && ip_addr_cmp(ipaddr, &arp_table[i].ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: found matching stable entry %"U16_F"\n", (u16_t)i)); - /* found exact IP address match, simply bail out */ -#if LWIP_NETIF_HWADDRHINT - NETIF_SET_HINT(netif, i); -#else /* #if LWIP_NETIF_HWADDRHINT */ - etharp_cached_entry = i; -#endif /* #if LWIP_NETIF_HWADDRHINT */ - return i; - /* remember entry with oldest stable entry in oldest, its age in maxtime */ - } else if (arp_table[i].ctime >= age_stable) { - old_stable = i; - age_stable = arp_table[i].ctime; - } - } - } - /* { we have no match } => try to create a new entry */ - - /* no empty entry found and not allowed to recycle? */ - if (((empty == ARP_TABLE_SIZE) && ((flags & ETHARP_TRY_HARD) == 0)) - /* or don't create new entry, only search? */ - || ((flags & ETHARP_FIND_ONLY) != 0)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: no empty entry found and not allowed to recycle\n")); - return (s8_t)ERR_MEM; - } - - /* b) choose the least destructive entry to recycle: - * 1) empty entry - * 2) oldest stable entry - * 3) oldest pending entry without queued packets - * 4) oldest pending entry with queued packets - * - * { ETHARP_TRY_HARD is set at this point } - */ - - /* 1) empty entry available? */ - if (empty < ARP_TABLE_SIZE) { - i = empty; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting empty entry %"U16_F"\n", (u16_t)i)); - } - /* 2) found recyclable stable entry? */ - else if (old_stable < ARP_TABLE_SIZE) { - /* recycle oldest stable*/ - i = old_stable; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest stable entry %"U16_F"\n", (u16_t)i)); -#if ARP_QUEUEING - /* no queued packets should exist on stable entries */ - LWIP_ASSERT("arp_table[i].q == NULL", arp_table[i].q == NULL); -#endif - /* 3) found recyclable pending entry without queued packets? */ - } else if (old_pending < ARP_TABLE_SIZE) { - /* recycle oldest pending */ - i = old_pending; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F" (without queue)\n", (u16_t)i)); -#if ARP_QUEUEING - /* 4) found recyclable pending entry with queued packets? */ - } else if (old_queue < ARP_TABLE_SIZE) { - /* recycle oldest pending */ - i = old_queue; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("find_entry: selecting oldest pending entry %"U16_F", freeing packet queue %p\n", (u16_t)i, (void *)(arp_table[i].q))); - free_etharp_q(arp_table[i].q); - arp_table[i].q = NULL; -#endif - /* no empty or recyclable entries found */ - } else { - return (s8_t)ERR_MEM; - } - - /* { empty or recyclable entry found } */ - LWIP_ASSERT("i < ARP_TABLE_SIZE", i < ARP_TABLE_SIZE); - - if (arp_table[i].state != ETHARP_STATE_EMPTY) - { - snmp_delete_arpidx_tree(arp_table[i].netif, &arp_table[i].ipaddr); - } - /* recycle entry (no-op for an already empty entry) */ - arp_table[i].state = ETHARP_STATE_EMPTY; - - /* IP address given? */ - if (ipaddr != NULL) { - /* set IP address */ - ip_addr_set(&arp_table[i].ipaddr, ipaddr); - } - arp_table[i].ctime = 0; -#if LWIP_NETIF_HWADDRHINT - NETIF_SET_HINT(netif, i); -#else /* #if LWIP_NETIF_HWADDRHINT */ - etharp_cached_entry = i; -#endif /* #if LWIP_NETIF_HWADDRHINT */ - return (err_t)i; -} - -/** - * Send an IP packet on the network using netif->linkoutput - * The ethernet header is filled in before sending. - * - * @params netif the lwIP network interface on which to send the packet - * @params p the packet to send, p->payload pointing to the (uninitialized) ethernet header - * @params src the source MAC address to be copied into the ethernet header - * @params dst the destination MAC address to be copied into the ethernet header - * @return ERR_OK if the packet was sent, any other err_t on failure - */ -static err_t -etharp_send_ip(struct netif *netif, struct pbuf *p, struct eth_addr *src, struct eth_addr *dst) -{ - struct eth_hdr *ethhdr = p->payload; - u8_t k; - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); - k = ETHARP_HWADDR_LEN; - while(k > 0) { - k--; - ethhdr->dest.addr[k] = dst->addr[k]; - ethhdr->src.addr[k] = src->addr[k]; - } - ethhdr->type = htons(ETHTYPE_IP); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_send_ip: sending packet %p\n", (void *)p)); - /* send the packet */ - return netif->linkoutput(netif, p); -} - -/** - * Update (or insert) a IP/MAC address pair in the ARP cache. - * - * If a pending entry is resolved, any queued packets will be sent - * at this point. - * - * @param ipaddr IP address of the inserted ARP entry. - * @param ethaddr Ethernet address of the inserted ARP entry. - * @param flags Defines behaviour: - * - ETHARP_TRY_HARD Allows ARP to insert this as a new item. If not specified, - * only existing ARP entries will be updated. - * - * @return - * - ERR_OK Succesfully updated ARP cache. - * - ERR_MEM If we could not add a new ARP entry when ETHARP_TRY_HARD was set. - * - ERR_ARG Non-unicast address given, those will not appear in ARP cache. - * - * @see pbuf_free() - */ -static err_t -update_arp_entry(struct netif *netif, struct ip_addr *ipaddr, struct eth_addr *ethaddr, u8_t flags) -{ - s8_t i; - u8_t k; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry()\n")); - LWIP_ASSERT("netif->hwaddr_len == ETHARP_HWADDR_LEN", netif->hwaddr_len == ETHARP_HWADDR_LEN); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: %"U16_F".%"U16_F".%"U16_F".%"U16_F" - %02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F":%02"X16_F"\n", - ip4_addr1(ipaddr), ip4_addr2(ipaddr), ip4_addr3(ipaddr), ip4_addr4(ipaddr), - ethaddr->addr[0], ethaddr->addr[1], ethaddr->addr[2], - ethaddr->addr[3], ethaddr->addr[4], ethaddr->addr[5])); - /* non-unicast address? */ - if (ip_addr_isany(ipaddr) || - ip_addr_isbroadcast(ipaddr, netif) || - ip_addr_ismulticast(ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: will not add non-unicast IP address to ARP cache\n")); - return ERR_ARG; - } - /* find or create ARP entry */ -#if LWIP_NETIF_HWADDRHINT - i = find_entry(ipaddr, flags, netif); -#else /* LWIP_NETIF_HWADDRHINT */ - i = find_entry(ipaddr, flags); -#endif /* LWIP_NETIF_HWADDRHINT */ - /* bail out if no entry could be found */ - if (i < 0) - return (err_t)i; - - /* mark it stable */ - arp_table[i].state = ETHARP_STATE_STABLE; - /* record network interface */ - arp_table[i].netif = netif; - - /* insert in SNMP ARP index tree */ - snmp_insert_arpidx_tree(netif, &arp_table[i].ipaddr); - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("update_arp_entry: updating stable entry %"S16_F"\n", (s16_t)i)); - /* update address */ - k = ETHARP_HWADDR_LEN; - while (k > 0) { - k--; - arp_table[i].ethaddr.addr[k] = ethaddr->addr[k]; - } - /* reset time stamp */ - arp_table[i].ctime = 0; -#if ARP_QUEUEING - /* this is where we will send out queued packets! */ - while (arp_table[i].q != NULL) { - struct pbuf *p; - /* remember remainder of queue */ - struct etharp_q_entry *q = arp_table[i].q; - /* pop first item off the queue */ - arp_table[i].q = q->next; - /* get the packet pointer */ - p = q->p; - /* now queue entry can be freed */ - memp_free(MEMP_ARP_QUEUE, q); - /* send the queued IP packet */ - etharp_send_ip(netif, p, (struct eth_addr*)(netif->hwaddr), ethaddr); - /* free the queued IP packet */ - pbuf_free(p); - } -#endif - return ERR_OK; -} - -/** - * Finds (stable) ethernet/IP address pair from ARP table - * using interface and IP address index. - * @note the addresses in the ARP table are in network order! - * - * @param netif points to interface index - * @param ipaddr points to the (network order) IP address index - * @param eth_ret points to return pointer - * @param ip_ret points to return pointer - * @return table index if found, -1 otherwise - */ -s8_t -etharp_find_addr(struct netif *netif, struct ip_addr *ipaddr, - struct eth_addr **eth_ret, struct ip_addr **ip_ret) -{ - s8_t i; - - LWIP_UNUSED_ARG(netif); - -#if LWIP_NETIF_HWADDRHINT - i = find_entry(ipaddr, ETHARP_FIND_ONLY, NULL); -#else /* LWIP_NETIF_HWADDRHINT */ - i = find_entry(ipaddr, ETHARP_FIND_ONLY); -#endif /* LWIP_NETIF_HWADDRHINT */ - if((i >= 0) && arp_table[i].state == ETHARP_STATE_STABLE) { - *eth_ret = &arp_table[i].ethaddr; - *ip_ret = &arp_table[i].ipaddr; - return i; - } - return -1; -} - -/** - * Updates the ARP table using the given IP packet. - * - * Uses the incoming IP packet's source address to update the - * ARP cache for the local network. The function does not alter - * or free the packet. This function must be called before the - * packet p is passed to the IP layer. - * - * @param netif The lwIP network interface on which the IP packet pbuf arrived. - * @param p The IP packet that arrived on netif. - * - * @return NULL - * - * @see pbuf_free() - */ -void -etharp_ip_input(struct netif *netif, struct pbuf *p) -{ - struct eth_hdr *ethhdr; - struct ip_hdr *iphdr; - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - /* Only insert an entry if the source IP address of the - incoming IP packet comes from a host on the local network. */ - ethhdr = p->payload; - iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); -#if ETHARP_SUPPORT_VLAN - if (ethhdr->type == ETHTYPE_VLAN) { - iphdr = (struct ip_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR); - } -#endif /* ETHARP_SUPPORT_VLAN */ - - /* source is not on the local network? */ - if (!ip_addr_netcmp(&(iphdr->src), &(netif->ip_addr), &(netif->netmask))) { - /* do nothing */ - return; - } - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_ip_input: updating ETHARP table.\n")); - /* update ARP table */ - /* @todo We could use ETHARP_TRY_HARD if we think we are going to talk - * back soon (for example, if the destination IP address is ours. */ - update_arp_entry(netif, &(iphdr->src), &(ethhdr->src), 0); -} - - -/** - * Responds to ARP requests to us. Upon ARP replies to us, add entry to cache - * send out queued IP packets. Updates cache with snooped address pairs. - * - * Should be called for incoming ARP packets. The pbuf in the argument - * is freed by this function. - * - * @param netif The lwIP network interface on which the ARP packet pbuf arrived. - * @param ethaddr Ethernet address of netif. - * @param p The ARP packet that arrived on netif. Is freed by this function. - * - * @return NULL - * - * @see pbuf_free() - */ -void -etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p) -{ - struct etharp_hdr *hdr; - struct eth_hdr *ethhdr; - /* these are aligned properly, whereas the ARP header fields might not be */ - struct ip_addr sipaddr, dipaddr; - u8_t i; - u8_t for_us; -#if LWIP_AUTOIP - const u8_t * ethdst_hwaddr; -#endif /* LWIP_AUTOIP */ - - LWIP_ERROR("netif != NULL", (netif != NULL), return;); - - /* drop short ARP packets: we have to check for p->len instead of p->tot_len here - since a struct etharp_hdr is pointed to p->payload, so it musn't be chained! */ - if (p->len < SIZEOF_ETHARP_PACKET) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("etharp_arp_input: packet dropped, too short (%"S16_F"/%"S16_F")\n", p->tot_len, - (s16_t)SIZEOF_ETHARP_PACKET)); - ETHARP_STATS_INC(etharp.lenerr); - ETHARP_STATS_INC(etharp.drop); - pbuf_free(p); - return; - } - - ethhdr = p->payload; - hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); -#if ETHARP_SUPPORT_VLAN - if (ethhdr->type == ETHTYPE_VLAN) { - hdr = (struct etharp_hdr *)(((u8_t*)ethhdr) + SIZEOF_ETH_HDR + SIZEOF_VLAN_HDR); - } -#endif /* ETHARP_SUPPORT_VLAN */ - - /* RFC 826 "Packet Reception": */ - if ((hdr->hwtype != htons(HWTYPE_ETHERNET)) || - (hdr->_hwlen_protolen != htons((ETHARP_HWADDR_LEN << 8) | sizeof(struct ip_addr))) || - (hdr->proto != htons(ETHTYPE_IP)) || - (ethhdr->type != htons(ETHTYPE_ARP))) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_WARNING, - ("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n", - hdr->hwtype, ARPH_HWLEN(hdr), hdr->proto, ARPH_PROTOLEN(hdr), ethhdr->type)); - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - pbuf_free(p); - return; - } - ETHARP_STATS_INC(etharp.recv); - -#if LWIP_AUTOIP - /* We have to check if a host already has configured our random - * created link local address and continously check if there is - * a host with this IP-address so we can detect collisions */ - autoip_arp_reply(netif, hdr); -#endif /* LWIP_AUTOIP */ - - /* Copy struct ip_addr2 to aligned ip_addr, to support compilers without - * structure packing (not using structure copy which breaks strict-aliasing rules). */ - SMEMCPY(&sipaddr, &hdr->sipaddr, sizeof(sipaddr)); - SMEMCPY(&dipaddr, &hdr->dipaddr, sizeof(dipaddr)); - - /* this interface is not configured? */ - if (netif->ip_addr.addr == 0) { - for_us = 0; - } else { - /* ARP packet directed to us? */ - for_us = ip_addr_cmp(&dipaddr, &(netif->ip_addr)); - } - - /* ARP message directed to us? */ - if (for_us) { - /* add IP address in ARP cache; assume requester wants to talk to us. - * can result in directly sending the queued packets for this host. */ - update_arp_entry(netif, &sipaddr, &(hdr->shwaddr), ETHARP_TRY_HARD); - /* ARP message not directed to us? */ - } else { - /* update the source IP address in the cache, if present */ - update_arp_entry(netif, &sipaddr, &(hdr->shwaddr), 0); - } - - /* now act on the message itself */ - switch (htons(hdr->opcode)) { - /* ARP request? */ - case ARP_REQUEST: - /* ARP request. If it asked for our address, we send out a - * reply. In any case, we time-stamp any existing ARP entry, - * and possiby send out an IP packet that was queued on it. */ - - LWIP_DEBUGF (ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP request\n")); - /* ARP request for our address? */ - if (for_us) { - - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: replying to ARP request for our IP address\n")); - /* Re-use pbuf to send ARP reply. - Since we are re-using an existing pbuf, we can't call etharp_raw since - that would allocate a new pbuf. */ - hdr->opcode = htons(ARP_REPLY); - - hdr->dipaddr = hdr->sipaddr; - SMEMCPY(&hdr->sipaddr, &netif->ip_addr, sizeof(hdr->sipaddr)); - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); - i = ETHARP_HWADDR_LEN; -#if LWIP_AUTOIP - /* If we are using Link-Local, ARP packets must be broadcast on the - * link layer. (See RFC3927 Section 2.5) */ - ethdst_hwaddr = ((netif->autoip != NULL) && (netif->autoip->state != AUTOIP_STATE_OFF)) ? (u8_t*)(ethbroadcast.addr) : hdr->shwaddr.addr; -#endif /* LWIP_AUTOIP */ - - while(i > 0) { - i--; - hdr->dhwaddr.addr[i] = hdr->shwaddr.addr[i]; -#if LWIP_AUTOIP - ethhdr->dest.addr[i] = ethdst_hwaddr[i]; -#else /* LWIP_AUTOIP */ - ethhdr->dest.addr[i] = hdr->shwaddr.addr[i]; -#endif /* LWIP_AUTOIP */ - hdr->shwaddr.addr[i] = ethaddr->addr[i]; - ethhdr->src.addr[i] = ethaddr->addr[i]; - } - - /* hwtype, hwaddr_len, proto, protolen and the type in the ethernet header - are already correct, we tested that before */ - - /* return ARP reply */ - netif->linkoutput(netif, p); - /* we are not configured? */ - } else if (netif->ip_addr.addr == 0) { - /* { for_us == 0 and netif->ip_addr.addr == 0 } */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: we are unconfigured, ARP request ignored.\n")); - /* request was not directed to us */ - } else { - /* { for_us == 0 and netif->ip_addr.addr != 0 } */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP request was not for us.\n")); - } - break; - case ARP_REPLY: - /* ARP reply. We already updated the ARP cache earlier. */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: incoming ARP reply\n")); -#if (LWIP_DHCP && DHCP_DOES_ARP_CHECK) - /* DHCP wants to know about ARP replies from any host with an - * IP address also offered to us by the DHCP server. We do not - * want to take a duplicate IP address on a single network. - * @todo How should we handle redundant (fail-over) interfaces? */ - dhcp_arp_reply(netif, &sipaddr); -#endif - break; - default: - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_arp_input: ARP unknown opcode type %"S16_F"\n", htons(hdr->opcode))); - ETHARP_STATS_INC(etharp.err); - break; - } - /* free ARP packet */ - pbuf_free(p); -} - -/** - * Resolve and fill-in Ethernet address header for outgoing IP packet. - * - * For IP multicast and broadcast, corresponding Ethernet addresses - * are selected and the packet is transmitted on the link. - * - * For unicast addresses, the packet is submitted to etharp_query(). In - * case the IP address is outside the local network, the IP address of - * the gateway is used. - * - * @param netif The lwIP network interface which the IP packet will be sent on. - * @param q The pbuf(s) containing the IP packet to be sent. - * @param ipaddr The IP address of the packet destination. - * - * @return - * - ERR_RTE No route to destination (no gateway to external networks), - * or the return type of either etharp_query() or etharp_send_ip(). - */ -err_t -etharp_output(struct netif *netif, struct pbuf *q, struct ip_addr *ipaddr) -{ - struct eth_addr *dest, mcastaddr; - - /* make room for Ethernet header - should not fail */ - if (pbuf_header(q, sizeof(struct eth_hdr)) != 0) { - /* bail out */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("etharp_output: could not allocate room for header.\n")); - LINK_STATS_INC(link.lenerr); - return ERR_BUF; - } - - /* assume unresolved Ethernet address */ - dest = NULL; - /* Determine on destination hardware address. Broadcasts and multicasts - * are special, other IP addresses are looked up in the ARP table. */ - - /* broadcast destination IP address? */ - if (ip_addr_isbroadcast(ipaddr, netif)) { - /* broadcast on Ethernet also */ - dest = (struct eth_addr *)ðbroadcast; - /* multicast destination IP address? */ - } else if (ip_addr_ismulticast(ipaddr)) { - /* Hash IP multicast address to MAC address.*/ - mcastaddr.addr[0] = 0x01; - mcastaddr.addr[1] = 0x00; - mcastaddr.addr[2] = 0x5e; - mcastaddr.addr[3] = ip4_addr2(ipaddr) & 0x7f; - mcastaddr.addr[4] = ip4_addr3(ipaddr); - mcastaddr.addr[5] = ip4_addr4(ipaddr); - /* destination Ethernet address is multicast */ - dest = &mcastaddr; - /* unicast destination IP address? */ - } else { - /* outside local network? */ - if (!ip_addr_netcmp(ipaddr, &(netif->ip_addr), &(netif->netmask))) { - /* interface has default gateway? */ - if (netif->gw.addr != 0) { - /* send to hardware address of default gateway IP address */ - ipaddr = &(netif->gw); - /* no default gateway available */ - } else { - /* no route to destination error (default gateway missing) */ - return ERR_RTE; - } - } - /* queue on destination Ethernet address belonging to ipaddr */ - return etharp_query(netif, ipaddr, q); - } - - /* continuation for multicast/broadcast destinations */ - /* obtain source Ethernet address of the given interface */ - /* send packet directly on the link */ - return etharp_send_ip(netif, q, (struct eth_addr*)(netif->hwaddr), dest); -} - -/** - * Send an ARP request for the given IP address and/or queue a packet. - * - * If the IP address was not yet in the cache, a pending ARP cache entry - * is added and an ARP request is sent for the given address. The packet - * is queued on this entry. - * - * If the IP address was already pending in the cache, a new ARP request - * is sent for the given address. The packet is queued on this entry. - * - * If the IP address was already stable in the cache, and a packet is - * given, it is directly sent and no ARP request is sent out. - * - * If the IP address was already stable in the cache, and no packet is - * given, an ARP request is sent out. - * - * @param netif The lwIP network interface on which ipaddr - * must be queried for. - * @param ipaddr The IP address to be resolved. - * @param q If non-NULL, a pbuf that must be delivered to the IP address. - * q is not freed by this function. - * - * @note q must only be ONE packet, not a packet queue! - * - * @return - * - ERR_BUF Could not make room for Ethernet header. - * - ERR_MEM Hardware address unknown, and no more ARP entries available - * to query for address or queue the packet. - * - ERR_MEM Could not queue packet due to memory shortage. - * - ERR_RTE No route to destination (no gateway to external networks). - * - ERR_ARG Non-unicast address given, those will not appear in ARP cache. - * - */ -err_t -etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q) -{ - struct eth_addr * srcaddr = (struct eth_addr *)netif->hwaddr; - err_t result = ERR_MEM; - s8_t i; /* ARP entry index */ - - /* non-unicast address? */ - if (ip_addr_isbroadcast(ipaddr, netif) || - ip_addr_ismulticast(ipaddr) || - ip_addr_isany(ipaddr)) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: will not add non-unicast IP address to ARP cache\n")); - return ERR_ARG; - } - - /* find entry in ARP cache, ask to create entry if queueing packet */ -#if LWIP_NETIF_HWADDRHINT - i = find_entry(ipaddr, ETHARP_TRY_HARD, netif); -#else /* LWIP_NETIF_HWADDRHINT */ - i = find_entry(ipaddr, ETHARP_TRY_HARD); -#endif /* LWIP_NETIF_HWADDRHINT */ - - /* could not find or create entry? */ - if (i < 0) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not create ARP entry\n")); - if (q) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: packet dropped\n")); - ETHARP_STATS_INC(etharp.memerr); - } - return (err_t)i; - } - - /* mark a fresh entry as pending (we just sent a request) */ - if (arp_table[i].state == ETHARP_STATE_EMPTY) { - arp_table[i].state = ETHARP_STATE_PENDING; - } - - /* { i is either a STABLE or (new or existing) PENDING entry } */ - LWIP_ASSERT("arp_table[i].state == PENDING or STABLE", - ((arp_table[i].state == ETHARP_STATE_PENDING) || - (arp_table[i].state == ETHARP_STATE_STABLE))); - - /* do we have a pending entry? or an implicit query request? */ - if ((arp_table[i].state == ETHARP_STATE_PENDING) || (q == NULL)) { - /* try to resolve it; send out ARP request */ - result = etharp_request(netif, ipaddr); - if (result != ERR_OK) { - /* ARP request couldn't be sent */ - /* We don't re-send arp request in etharp_tmr, but we still queue packets, - since this failure could be temporary, and the next packet calling - etharp_query again could lead to sending the queued packets. */ - } - } - - /* packet given? */ - if (q != NULL) { - /* stable entry? */ - if (arp_table[i].state == ETHARP_STATE_STABLE) { - /* we have a valid IP->Ethernet address mapping */ - /* send the packet */ - result = etharp_send_ip(netif, q, srcaddr, &(arp_table[i].ethaddr)); - /* pending entry? (either just created or already pending */ - } else if (arp_table[i].state == ETHARP_STATE_PENDING) { -#if ARP_QUEUEING /* queue the given q packet */ - struct pbuf *p; - int copy_needed = 0; - /* IF q includes a PBUF_REF, PBUF_POOL or PBUF_RAM, we have no choice but - * to copy the whole queue into a new PBUF_RAM (see bug #11400) - * PBUF_ROMs can be left as they are, since ROM must not get changed. */ - p = q; - while (p) { - LWIP_ASSERT("no packet queues allowed!", (p->len != p->tot_len) || (p->next == 0)); - if(p->type != PBUF_ROM) { - copy_needed = 1; - break; - } - p = p->next; - } - if(copy_needed) { - /* copy the whole packet into new pbufs */ - p = pbuf_alloc(PBUF_RAW, p->tot_len, PBUF_RAM); - if(p != NULL) { - if (pbuf_copy(p, q) != ERR_OK) { - pbuf_free(p); - p = NULL; - } - } - } else { - /* referencing the old pbuf is enough */ - p = q; - pbuf_ref(p); - } - /* packet could be taken over? */ - if (p != NULL) { - /* queue packet ... */ - struct etharp_q_entry *new_entry; - /* allocate a new arp queue entry */ - new_entry = memp_malloc(MEMP_ARP_QUEUE); - if (new_entry != NULL) { - new_entry->next = 0; - new_entry->p = p; - if(arp_table[i].q != NULL) { - /* queue was already existent, append the new entry to the end */ - struct etharp_q_entry *r; - r = arp_table[i].q; - while (r->next != NULL) { - r = r->next; - } - r->next = new_entry; - } else { - /* queue did not exist, first item in queue */ - arp_table[i].q = new_entry; - } - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: queued packet %p on ARP entry %"S16_F"\n", (void *)q, (s16_t)i)); - result = ERR_OK; - } else { - /* the pool MEMP_ARP_QUEUE is empty */ - pbuf_free(p); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q)); - /* { result == ERR_MEM } through initialization */ - } - } else { - ETHARP_STATS_INC(etharp.memerr); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: could not queue a copy of PBUF_REF packet %p (out of memory)\n", (void *)q)); - /* { result == ERR_MEM } through initialization */ - } -#else /* ARP_QUEUEING == 0 */ - /* q && state == PENDING && ARP_QUEUEING == 0 => result = ERR_MEM */ - /* { result == ERR_MEM } through initialization */ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_query: Ethernet destination address unknown, queueing disabled, packet %p dropped\n", (void *)q)); -#endif - } - } - return result; -} - -/** - * Send a raw ARP packet (opcode and all addresses can be modified) - * - * @param netif the lwip network interface on which to send the ARP packet - * @param ethsrc_addr the source MAC address for the ethernet header - * @param ethdst_addr the destination MAC address for the ethernet header - * @param hwsrc_addr the source MAC address for the ARP protocol header - * @param ipsrc_addr the source IP address for the ARP protocol header - * @param hwdst_addr the destination MAC address for the ARP protocol header - * @param ipdst_addr the destination IP address for the ARP protocol header - * @param opcode the type of the ARP packet - * @return ERR_OK if the ARP packet has been sent - * ERR_MEM if the ARP packet couldn't be allocated - * any other err_t on failure - */ -#if !LWIP_AUTOIP -static -#endif /* LWIP_AUTOIP */ -err_t -etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, - const struct eth_addr *ethdst_addr, - const struct eth_addr *hwsrc_addr, const struct ip_addr *ipsrc_addr, - const struct eth_addr *hwdst_addr, const struct ip_addr *ipdst_addr, - const u16_t opcode) -{ - struct pbuf *p; - err_t result = ERR_OK; - u8_t k; /* ARP entry index */ - struct eth_hdr *ethhdr; - struct etharp_hdr *hdr; -#if LWIP_AUTOIP - const u8_t * ethdst_hwaddr; -#endif /* LWIP_AUTOIP */ - - /* allocate a pbuf for the outgoing ARP request packet */ - p = pbuf_alloc(PBUF_RAW, SIZEOF_ETHARP_PACKET, PBUF_RAM); - /* could allocate a pbuf for an ARP request? */ - if (p == NULL) { - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_LEVEL_SERIOUS, - ("etharp_raw: could not allocate pbuf for ARP request.\n")); - ETHARP_STATS_INC(etharp.memerr); - return ERR_MEM; - } - LWIP_ASSERT("check that first pbuf can hold struct etharp_hdr", - (p->len >= SIZEOF_ETHARP_PACKET)); - - ethhdr = p->payload; - hdr = (struct etharp_hdr *)((u8_t*)ethhdr + SIZEOF_ETH_HDR); - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_raw: sending raw ARP packet.\n")); - hdr->opcode = htons(opcode); - - LWIP_ASSERT("netif->hwaddr_len must be the same as ETHARP_HWADDR_LEN for etharp!", - (netif->hwaddr_len == ETHARP_HWADDR_LEN)); - k = ETHARP_HWADDR_LEN; -#if LWIP_AUTOIP - /* If we are using Link-Local, ARP packets must be broadcast on the - * link layer. (See RFC3927 Section 2.5) */ - ethdst_hwaddr = ((netif->autoip != NULL) && (netif->autoip->state != AUTOIP_STATE_OFF)) ? (u8_t*)(ethbroadcast.addr) : ethdst_addr->addr; -#endif /* LWIP_AUTOIP */ - /* Write MAC-Addresses (combined loop for both headers) */ - while(k > 0) { - k--; - /* Write the ARP MAC-Addresses */ - hdr->shwaddr.addr[k] = hwsrc_addr->addr[k]; - hdr->dhwaddr.addr[k] = hwdst_addr->addr[k]; - /* Write the Ethernet MAC-Addresses */ -#if LWIP_AUTOIP - ethhdr->dest.addr[k] = ethdst_hwaddr[k]; -#else /* LWIP_AUTOIP */ - ethhdr->dest.addr[k] = ethdst_addr->addr[k]; -#endif /* LWIP_AUTOIP */ - ethhdr->src.addr[k] = ethsrc_addr->addr[k]; - } - hdr->sipaddr = *(struct ip_addr2 *)ipsrc_addr; - hdr->dipaddr = *(struct ip_addr2 *)ipdst_addr; - - hdr->hwtype = htons(HWTYPE_ETHERNET); - hdr->proto = htons(ETHTYPE_IP); - /* set hwlen and protolen together */ - hdr->_hwlen_protolen = htons((ETHARP_HWADDR_LEN << 8) | sizeof(struct ip_addr)); - - ethhdr->type = htons(ETHTYPE_ARP); - /* send ARP query */ - result = netif->linkoutput(netif, p); - ETHARP_STATS_INC(etharp.xmit); - /* free ARP query packet */ - pbuf_free(p); - p = NULL; - /* could not allocate pbuf for ARP request */ - - return result; -} - -/** - * Send an ARP request packet asking for ipaddr. - * - * @param netif the lwip network interface on which to send the request - * @param ipaddr the IP address for which to ask - * @return ERR_OK if the request has been sent - * ERR_MEM if the ARP packet couldn't be allocated - * any other err_t on failure - */ -err_t -etharp_request(struct netif *netif, struct ip_addr *ipaddr) -{ - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_request: sending ARP request.\n")); - return etharp_raw(netif, (struct eth_addr *)netif->hwaddr, ðbroadcast, - (struct eth_addr *)netif->hwaddr, &netif->ip_addr, ðzero, - ipaddr, ARP_REQUEST); -} - -/** - * Process received ethernet frames. Using this function instead of directly - * calling ip_input and passing ARP frames through etharp in ethernetif_input, - * the ARP cache is protected from concurrent access. - * - * @param p the recevied packet, p->payload pointing to the ethernet header - * @param netif the network interface on which the packet was received - */ -err_t -ethernet_input(struct pbuf *p, struct netif *netif) -{ - struct eth_hdr* ethhdr; - u16_t type; - - /* points to packet payload, which starts with an Ethernet header */ - ethhdr = p->payload; - LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, - ("ethernet_input: dest:%02x:%02x:%02x:%02x:%02x:%02x, src:%02x:%02x:%02x:%02x:%02x:%02x, type:%2hx\n", - (unsigned)ethhdr->dest.addr[0], (unsigned)ethhdr->dest.addr[1], (unsigned)ethhdr->dest.addr[2], - (unsigned)ethhdr->dest.addr[3], (unsigned)ethhdr->dest.addr[4], (unsigned)ethhdr->dest.addr[5], - (unsigned)ethhdr->src.addr[0], (unsigned)ethhdr->src.addr[1], (unsigned)ethhdr->src.addr[2], - (unsigned)ethhdr->src.addr[3], (unsigned)ethhdr->src.addr[4], (unsigned)ethhdr->src.addr[5], - (unsigned)htons(ethhdr->type))); - - type = htons(ethhdr->type); -#if ETHARP_SUPPORT_VLAN - if (type == ETHTYPE_VLAN) { - struct eth_vlan_hdr *vlan = (struct eth_vlan_hdr*)(((char*)ethhdr) + SIZEOF_ETH_HDR); -#ifdef ETHARP_VLAN_CHECK /* if not, allow all VLANs */ - if (VLAN_ID(vlan) != ETHARP_VLAN_CHECK) { - /* silently ignore this packet: not for our VLAN */ - pbuf_free(p); - return ERR_OK; - } -#endif /* ETHARP_VLAN_CHECK */ - type = htons(vlan->tpid); - } -#endif /* ETHARP_SUPPORT_VLAN */ - - switch (type) { - /* IP packet? */ - case ETHTYPE_IP: -#if ETHARP_TRUST_IP_MAC - /* update ARP table */ - etharp_ip_input(netif, p); -#endif /* ETHARP_TRUST_IP_MAC */ - /* skip Ethernet header */ - if(pbuf_header(p, -(s16_t)SIZEOF_ETH_HDR)) { - LWIP_ASSERT("Can't move over header in packet", 0); - pbuf_free(p); - p = NULL; - } else { - /* pass to IP layer */ - ip_input(p, netif); - } - break; - - case ETHTYPE_ARP: - /* pass p to ARP module */ - etharp_arp_input(netif, (struct eth_addr*)(netif->hwaddr), p); - break; - -#if PPPOE_SUPPORT - case ETHTYPE_PPPOEDISC: /* PPP Over Ethernet Discovery Stage */ - pppoe_disc_input(netif, p); - break; - - case ETHTYPE_PPPOE: /* PPP Over Ethernet Session Stage */ - pppoe_data_input(netif, p); - break; -#endif /* PPPOE_SUPPORT */ - - default: - ETHARP_STATS_INC(etharp.proterr); - ETHARP_STATS_INC(etharp.drop); - pbuf_free(p); - p = NULL; - break; - } - - /* This means the pbuf is freed or consumed, - so the caller doesn't have to free it again */ - return ERR_OK; -} -#endif /* LWIP_ARP */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/loopif.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/loopif.c deleted file mode 100644 index b7d6632..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/netif/loopif.c +++ /dev/null @@ -1,68 +0,0 @@ -/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * Loop Interface - * - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#include "lwip/opt.h" - -#if LWIP_HAVE_LOOPIF - -#include "netif/loopif.h" -#include "lwip/snmp.h" - -/** - * Initialize a lwip network interface structure for a loopback interface - * - * @param netif the lwip network interface structure for this loopif - * @return ERR_OK if the loopif is initialized - * ERR_MEM if private data couldn't be allocated - */ -err_t -loopif_init(struct netif *netif) -{ - /* initialize the snmp variables and counters inside the struct netif - * ifSpeed: no assumption can be made! - */ - NETIF_INIT_SNMP(netif, snmp_ifType_softwareLoopback, 0); - - netif->name[0] = 'l'; - netif->name[1] = 'o'; - netif->output = netif_loop_output; - return ERR_OK; -} - -#endif /* LWIP_HAVE_LOOPIF */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/cc.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/cc.h deleted file mode 100644 index fc9c07d..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/cc.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (c) 2001-2003 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __ARCH_CC_H__ -#define __ARCH_CC_H__ - -/* Define platform endianness */ -#ifndef BYTE_ORDER -#define BYTE_ORDER BIG_ENDIAN -#endif /* BYTE_ORDER */ - -/* Define generic types used in lwIP */ -typedef unsigned char u8_t; -typedef signed char s8_t; -typedef unsigned short u16_t; -typedef signed short s16_t; -typedef unsigned long u32_t; -typedef signed long s32_t; - -typedef u32_t mem_ptr_t; - -/* Define (sn)printf formatters for these lwIP types */ -#define U16_F "u" -#define S16_F "d" -#define X16_F "x" -#define U32_F "u" -#define S32_F "d" -#define X32_F "x" - -/* Compiler hints for packing structures */ -#define PACK_STRUCT_FIELD(x) x -#define PACK_STRUCT_STRUCT __attribute__((packed)) -#define PACK_STRUCT_BEGIN -#define PACK_STRUCT_END - -/* Plaform specific diagnostic output */ -#ifdef CONFIG_OWL -# include <owl/core/owl_debug.h> -# define LWIP_PLATFORM_DIAG(x) owl_printf x -# define LWIP_PLATFORM_ASSERT(x) owl_assert(x) -#else -# include <printf-stdarg.h> -# define LWIP_PLATFORM_DIAG(x) do { printk x; } while(0) -# define LWIP_PLATFORM_ASSERT(x) do { \ - printk("Assertion \"%s\" failed at line " \ - "%d in %s\n", \ - x, __LINE__, __FILE__); while(1); \ - } while(0) -#endif - -#endif /* __ARCH_CC_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/perf.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/perf.h deleted file mode 100644 index 4991787..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/arch/perf.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __PERF_H__ -#define __PERF_H__ - -#define PERF_START /* null definition */ -#define PERF_STOP(x) /* null definition */ - -#endif diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/lwipopts.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/lwipopts.h deleted file mode 100644 index ae4df23..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/lwipopts.h +++ /dev/null @@ -1,426 +0,0 @@ -/* This header file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */ - -/** - * @file - * - * lwIP Options Configuration - */ - -/* - * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - * - * This file is part of the lwIP TCP/IP stack. - * - * Author: Adam Dunkels <adam@sics.se> - * - */ -#ifndef __LWIPOPTS_H__ -#define __LWIPOPTS_H__ - -#include "wl_api.h" - -/* - ----------------------------------------------- - ---------- Platform specific locking ---------- - ----------------------------------------------- -*/ - -/** - * NO_SYS==1: Provides VERY minimal functionality. Otherwise, - * use lwIP facilities. - */ -#define NO_SYS 1 - - -/* - ------------------------------------ - ---------- Memory options ---------- - ------------------------------------ -*/ -/** - * MEM_ALIGNMENT: should be set to the alignment of the CPU - * 4 byte alignment -> #define MEM_ALIGNMENT 4 - * 2 byte alignment -> #define MEM_ALIGNMENT 2 - */ -#define MEM_ALIGNMENT 4 - -/** - * MEM_SIZE: the size of the heap memory. If the application will send - * a lot of data that needs to be copied, this should be set high. - */ -#define MEM_SIZE 16000 - - -/* - ------------------------------------------------ - ---------- Internal Memory Pool Sizes ---------- - ------------------------------------------------ -*/ -/** - * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). - * If the application sends a lot of data out of ROM (or other static memory), - * this should be set high. - */ -#define MEMP_NUM_PBUF 30 - -/** - * MEMP_NUM_RAW_PCB: Number of raw connection PCBs - * (requires the LWIP_RAW option) - */ -#define MEMP_NUM_RAW_PCB 4 - -/** - * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One - * per active UDP "connection". - * (requires the LWIP_UDP option) - */ -#define MEMP_NUM_UDP_PCB 4 - -/** - * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. - * (requires the LWIP_TCP option) - */ -#define MEMP_NUM_TCP_PCB 2 - -/** - * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. - * (requires the LWIP_TCP option) - */ -#define MEMP_NUM_TCP_PCB_LISTEN 2 - -/** - * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. - * (requires the LWIP_TCP option) - */ -#define MEMP_NUM_TCP_SEG 32 - -/** - * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing - * packets (pbufs) that are waiting for an ARP request (to resolve - * their destination address) to finish. - * (requires the ARP_QUEUEING option) - */ -#define MEMP_NUM_ARP_QUEUE 2 - -/** - * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. - * (requires NO_SYS==0) - */ -#define MEMP_NUM_SYS_TIMEOUT 0 - -/** - * MEMP_NUM_NETBUF: the number of struct netbufs. - * (only needed if you use the sequential API, like api_lib.c) - */ -#define MEMP_NUM_NETBUF 0 - -/** - * MEMP_NUM_NETCONN: the number of struct netconns. - * (only needed if you use the sequential API, like api_lib.c) - */ -#define MEMP_NUM_NETCONN 0 - -/** - * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used - * for callback/timeout API communication. - * (only needed if you use tcpip.c) - */ -#define MEMP_NUM_TCPIP_MSG_API 0 - -/** - * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used - * for incoming packets. - * (only needed if you use tcpip.c) - */ -#define MEMP_NUM_TCPIP_MSG_INPKT 0 - -/** - * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. - */ -#define PBUF_POOL_SIZE 32 - -/* - --------------------------------- - ---------- ARP options ---------- - --------------------------------- -*/ -/** - * LWIP_ARP==1: Enable ARP functionality. - */ -#define LWIP_ARP 1 - -/* - -------------------------------- - ---------- IP options ---------- - -------------------------------- -*/ -/** - * IP_FORWARD==1: Enables the ability to forward IP packets across network - * interfaces. If you are going to run lwIP on a device with only one network - * interface, define this to 0. - */ -#define IP_FORWARD 0 - -/** - * IP_OPTIONS: Defines the behavior for IP options. - * IP_OPTIONS==0_ALLOWED: All packets with IP options are dropped. - * IP_OPTIONS==1_ALLOWED: IP options are allowed (but not parsed). - */ -#define IP_OPTIONS_ALLOWED 1 - -/** - * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that - * this option does not affect outgoing packet sizes, which can be controlled - * via IP_FRAG. - */ -#define IP_REASSEMBLY 1 - -/** - * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note - * that this option does not affect incoming packet sizes, which can be - * controlled via IP_REASSEMBLY. - */ -#define IP_FRAG 1 - -/** - * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) - * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived - * in this time, the whole packet is discarded. - */ -#define IP_REASS_MAXAGE 3 - -/** - * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. - * Since the received pbufs are enqueued, be sure to configure - * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive - * packets even if the maximum amount of fragments is enqueued for reassembly! - */ -#define IP_REASS_MAX_PBUFS 10 - -/** - * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP - * fragmentation. Otherwise pbufs are allocated and reference the original - * packet data to be fragmented. - */ -#define IP_FRAG_USES_STATIC_BUF 0 - -/** - * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. - */ -#define IP_DEFAULT_TTL 255 - -/* - ---------------------------------- - ---------- ICMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_ICMP==1: Enable ICMP module inside the IP stack. - * Be careful, disable that make your product non-compliant to RFC1122 - */ -#define LWIP_ICMP 1 - -/** - * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. - */ -#define ICMP_TTL (IP_DEFAULT_TTL) - -/* - --------------------------------- - ---------- RAW options ---------- - --------------------------------- -*/ -/** - * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. - */ -#define LWIP_RAW 1 - -/* - ---------------------------------- - ---------- DHCP options ---------- - ---------------------------------- -*/ -/** - * LWIP_DHCP==1: Enable DHCP module. - */ -#define LWIP_DHCP 1 - -/* - ------------------------------------ - ---------- AUTOIP options ---------- - ------------------------------------ -*/ -/** - * LWIP_AUTOIP==1: Enable AUTOIP module. - */ -#define LWIP_AUTOIP 0 - -/* - ---------------------------------- - ---------- SNMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP - * transport. - */ -#define LWIP_SNMP 0 -#define SNMP_PRIVATE_MIB 0 - -/* - ---------------------------------- - ---------- IGMP options ---------- - ---------------------------------- -*/ -/** - * LWIP_IGMP==1: Turn on IGMP module. - */ -#define LWIP_IGMP 1 - -/* - ---------------------------------- - ---------- DNS options ----------- - ---------------------------------- -*/ -/** - * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS - * transport. - */ -#define LWIP_DNS 1 - -/* - --------------------------------- - ---------- UDP options ---------- - --------------------------------- -*/ -/** - * LWIP_UDP==1: Turn on UDP. - */ -#define LWIP_UDP 1 - -/** - * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) - */ -#define LWIP_UDPLITE 0 - -/** - * UDP_TTL: Default Time-To-Live value. - */ -#define UDP_TTL (IP_DEFAULT_TTL) - -/* - --------------------------------- - ---------- TCP options ---------- - --------------------------------- -*/ -/** - * LWIP_TCP==1: Turn on TCP. - */ -#define LWIP_TCP 1 - -/* - ---------------------------------- - ---------- Pbuf options ---------- - ---------------------------------- -*/ -/** - * PBUF_LINK_HLEN: the number of bytes that should be allocated for a - * link level header. The default is 14, the standard value for - * Ethernet. - */ -#define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE) - -/* - ------------------------------------ - ---------- LOOPIF options ---------- - ------------------------------------ -*/ -/** - * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c - */ -#define LWIP_HAVE_LOOPIF 1 -#define LWIP_LOOPIF_MULTITHREADING 0 - -/* - ---------------------------------------------- - ---------- Sequential layer options ---------- - ---------------------------------------------- -*/ - -/** - * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) - */ -#define LWIP_NETCONN 0 - -/* - ------------------------------------ - ---------- Socket options ---------- - ------------------------------------ -*/ -/** - * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) - */ -#define LWIP_SOCKET 0 - -/* - ---------------------------------------- - ---------- Statistics options ---------- - ---------------------------------------- -*/ -/** - * LWIP_STATS==1: Enable statistics collection in lwip_stats. - */ -#define LWIP_STATS 1 -#define LINK_STATS 1 - -/* Misc */ -#define LWIP_NETIF_LINK_CALLBACK 1 -#define LWIP_NETIF_STATUS_CALLBACK 1 -#define LWIP_TIMEVAL_PRIVATE 0 - -#undef DHCP_DOES_ARP_CHECK - -#if 0 -#define LWIP_DEBUG 1 -//#define NETIF_DEBUG LWIP_DBG_ON -#define DHCP_DEBUG LWIP_DBG_ON -//#define ICMP_DEBUG LWIP_DBG_ON -//#define TCP_DEBUG LWIP_DBG_ON -//#define TCP_RTO_DEBUG LWIP_DBG_ON -//#define IP_DEBUG LWIP_DBG_ON -//#define TCP_CWND_DEBUG LWIP_DBG_ON -//#define ETHARP_DEBUG LWIP_DBG_ON -//#define PBUF_DEBUG LWIP_DBG_ON -#define TCP_INPUT_DEBUG LWIP_DBG_ON -#define TCP_OUTPUT_DEBUG LWIP_DBG_ON -#endif - -#define ETH_PAD_SIZE WL_HEADER_SIZE /* size of wifiengine header */ -#define MEM_LIBC_MALLOC 1 - -#define TCP_MSS 512 -#define TCP_SND_BUF 4096 -#endif /* __LWIPOPTS_H__ */ diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/netif/wlif.h b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/netif/wlif.h deleted file mode 100644 index 6354e1c..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/include/netif/wlif.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __NETIF_NRWLANIF_H__ -#define __NETIF_NRWLANIF_H__ - -#include "lwip/netif.h" -#include "lwip/err.h" - -err_t wlif_init(struct netif *netif); -void wlif_poll(struct netif *netif); - -#endif diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/netif/wlif.c b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/netif/wlif.c deleted file mode 100644 index 55d5b6a..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/if/netif/wlif.c +++ /dev/null @@ -1,386 +0,0 @@ -#include "lwip/opt.h" -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/stats.h" -#include "lwip/sys.h" -#include "netif/etharp.h" -#include "netif/wlif.h" -#include <wl_api.h> -#include <wlap_api.h> - -#define IFNAME0 'w' -#define IFNAME1 'l' - -/* the queue size will affect the tx performance when using power save. - * A small queue will quickly become filled up if we have to wake the device - * before the actual transmission can occur. When the queue is filled up, the - * packets will be discarded and retransmission will be handled by the upper - * layers. In case of TCP, the retransmission time might be quite long. - * - * If the packets can be put in the pqueue instead, all the packets - * (if possible) will be transmitted when the device wakes up, so we don't have - * to wait for retransmission from upper layers. - */ -#define PQUEUE_SIZE 8 - -struct wlif_t { - volatile uint8_t rx_pending; - - struct { - struct pbuf* buf[PQUEUE_SIZE]; - uint8_t first; - uint8_t last; - } pqueue; -}; - -#define PQUEUE_EMPTY(q) (q.last == q.first) -#define PQUEUE_FULL(q) ((q.last + 1) % PQUEUE_SIZE == q.first) -#define PQUEUE_FIRST(q) (q.buf[q.first]) -#define PQUEUE_DEQUEUE(q) \ - ({ \ - struct pbuf* __p = PQUEUE_FIRST(q); \ - q.first = (q.first + 1) % PQUEUE_SIZE; \ - __p; \ - }) -#define PQUEUE_ENQUEUE(q, p) \ - ({ \ - q.buf[q.last] = p; \ - q.last = (q.last + 1) % PQUEUE_SIZE; \ - }) - - -static err_t process_pqueue(struct netif* netif) -{ - struct pbuf *p; - struct pbuf *q; - int status; - struct wlif_t *priv = (struct wlif_t*) netif->state; - - /* queue empty? finished */ - if (PQUEUE_EMPTY(priv->pqueue)) - return ERR_OK; - - /* get first packet in queue */ - p = PQUEUE_FIRST(priv->pqueue); - - status = wl_process_tx( - p->payload + WL_HEADER_SIZE, /* ptr to eth hdr */ - p->len - WL_HEADER_SIZE, /* input buffer len */ - p->tot_len - WL_HEADER_SIZE, /* pkt len */ - p->payload, /* ptr to WE hdr */ - 0, /* prio */ - p); /* pkt handle */ - - /* if we fail due to power save mode, leave packet in queue and - * try again when target is awake again (upon WL_RX_EVENT_WAKEUP). - */ - if (status == WL_RESOURCES) - return ERR_IF; - - /* if we fail for another reason, just discard the packet */ - if (status != WL_SUCCESS) { - PQUEUE_DEQUEUE(priv->pqueue); - pbuf_free(p); - return ERR_IF; - } - - /* Send the data from the pbuf to the interface, one pbuf at a - * time. The size of the data in each pbuf is kept in the ->len - * variable. - */ - for (q = p; q != NULL; q = q->next) - wl_tx(q->payload, q->len); - - /* remove packet from queue and dec refcnt */ - PQUEUE_DEQUEUE(priv->pqueue); - pbuf_free(p); - - LINK_STATS_INC(link.xmit); - - /* tell caller to process next packet */ - return ERR_INPROGRESS; -} - - -/** - * Called in interrupt context when we can read more data from the mac. - * - */ -static void -rx_isr(void* ctx) -{ - struct netif *netif = ctx; - struct wlif_t *priv = (struct wlif_t*) netif->state; - priv->rx_pending = 1; -} - - -/** - * In this function, the hardware should be initialized. - * Called from wlif_init(). - * - * @param netif the already initialized lwip network interface structure - * for this ethernetif - */ -static err_t -low_level_init(struct netif *netif) -{ - /* device capabilities */ - netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | - NETIF_FLAG_IGMP; - - /* NETIF_FLAG_LINK_UP must be set only when we have an wlan assoc */ - - /* set MAC hardware address length */ - netif->hwaddr_len = ETHARP_HWADDR_LEN; - - if (wl_get_mac_addr(netif->hwaddr) != WL_SUCCESS) - return ERR_IF; - - /* maximum transfer unit */ - netif->mtu = 1500; - - return ERR_OK; -} - - -/** - * This function should do the actual transmission of the packet. The packet is - * contained in the pbuf that is passed to the function. This pbuf - * might be chained. - * - * @param netif the lwip network interface structure for this ethernetif - * @param p the MAC packet to send (e.g. IP packet including MAC addresses and - * type) - * @return ERR_OK if the packet could be sent - * an err_t value if the packet couldn't be sent - * - * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to - * strange results. You might consider waiting for space in the DMA queue - * to become availale since the stack doesn't retry to send a packet - * dropped because of memory failure (except for the TCP timers). - */ -static err_t -low_level_output(struct netif *netif, struct pbuf *p) -{ - struct wlif_t* priv = (struct wlif_t*) netif->state; - - /* must have a linear buffer containing up to and including - * the ethernet header - */ - if (p->len < sizeof(struct eth_hdr)) - return ERR_IF; - - /* queue full? drop packet */ - if (PQUEUE_FULL(priv->pqueue)) - return ERR_INPROGRESS; /* no one seems to check this anyway */ - - /* queue packet */ - PQUEUE_ENQUEUE(priv->pqueue, p); - pbuf_ref(p); - while (process_pqueue(netif) == ERR_INPROGRESS); - return ERR_OK; /* no one seems to check this anyway */ -} - -/** - * Should allocate a pbuf and transfer the bytes of the incoming - * packet from the interface into the pbuf. - * - * @param netif the lwip network interface structure for this ethernetif - * @return a pbuf filled with the received packet (including MAC header) - * NULL on memory error - */ -static struct pbuf * -low_level_input(struct netif *netif) -{ - struct pbuf *p; - struct wlif_t *priv = (struct wlif_t*) netif->state; - - char *stripped_pkt; - size_t stripped_pkt_len; - u16_t vlan; - u8_t rx_hdr_size; - int status; - u16_t len; - - /* maximum packet length from wl_rx() */ - len = WL_MAX_PKT_LEN; - - /* We allocate a continous pbuf */ - p = pbuf_alloc(PBUF_RAW, len, PBUF_RAM); - if (p == NULL) { - LWIP_DEBUGF(NETIF_DEBUG, ("low_level_input: fail to alloc " - "pbuf of len:%"S32_F"\n", len)); - return NULL; - } - - /* Read the entire msg */ - priv->rx_pending = 0; - wl_rx(p->payload, &len); - if (len == 0) { - LWIP_DEBUGF(NETIF_DEBUG, ("low_level_input: len was 0")); - return NULL; - } - - status = wl_process_rx( - p->payload, /* input buf */ - len, /* input buf length */ - &stripped_pkt, - &stripped_pkt_len, - &vlan); - - if (status == WL_ABSORBED) { - LWIP_DEBUGF(NETIF_DEBUG, ("low_level_input: absorbed")); - pbuf_free(p); - return NULL; - } - - /* Data packet, remove padding */ - rx_hdr_size = stripped_pkt - (char*) p->payload; - pbuf_realloc(p, stripped_pkt_len + rx_hdr_size); - - LINK_STATS_INC(link.recv); - return p; -} - - -/** - * This function will be called by wlif_poll() when a packet has been received - * from the mac. Then the type of the received packet is determined and - * the appropriate input function is called. - * - * @param netif the lwip network interface structure for this ethernetif - */ -static void -wlif_input(struct netif *netif) -{ - struct eth_hdr *ethhdr; - struct pbuf *p; - - /* move received packet into a new pbuf */ - p = low_level_input(netif); - - /* no packet could be read, silently ignore this */ - if (p == NULL) - return; - - /* points to packet payload, which starts with an Ethernet header */ - ethhdr = p->payload; - switch (htons(ethhdr->type)) { - /* IP or ARP packet? */ - case ETHTYPE_IP: - case ETHTYPE_ARP: -#if PPPOE_SUPPORT - /* PPPoE packet? */ - case ETHTYPE_PPPOEDISC: - case ETHTYPE_PPPOE: -#endif /* PPPOE_SUPPORT */ - /* full packet send to tcpip_thread to process */ - if (netif->input(p, netif) != ERR_OK) { - LWIP_DEBUGF(NETIF_DEBUG, - ("wlif_input: IP input error\n")); - pbuf_free(p); - p = NULL; - } - break; - - default: - pbuf_free(p); - p = NULL; - break; - } -} - -static ssize_t pkt_read_cb(char *dst, - void *src_handle, - size_t read_len, - int offset) { - ssize_t rc; - - rc = pbuf_copy_partial((struct pbuf *)src_handle, - dst, - read_len, - offset + WL_HEADER_SIZE); - if ( 0 == rc ) { - return -1; - } - - return rc; -} - -/** - * Should be called at the beginning of the program to set up the - * network interface. It calls the function low_level_init() to do the - * actual setup of the hardware. - * - * This function should be passed as a parameter to netif_add(). - * - * @param netif the lwip network interface structure for this ethernetif - * @return ERR_OK if the loopif is initialized - * ERR_MEM if private data couldn't be allocated - * any other err_t on error - */ -err_t -wlif_init(struct netif *netif) -{ - static struct wlif_t wlif; - - LWIP_ASSERT("netif != NULL", (netif != NULL)); - -#if LWIP_NETIF_HOSTNAME - /* Initialize interface hostname */ - if ( NULL == netif->hostname ) { - netif->hostname = "wlif"; - } -#endif /* LWIP_NETIF_HOSTNAME */ - - netif->state = &wlif; - netif->name[0] = IFNAME0; - netif->name[1] = IFNAME1; - - /* We directly use etharp_output() here to save a function call. - * You can instead declare your own function an call etharp_output() - * from it if you have to do some checks before sending (e.g. if link - * is available...) */ - netif->output = etharp_output; - netif->linkoutput = low_level_output; - - wl_register_rx_isr(rx_isr, netif); - wl_register_pkt_read_cb(pkt_read_cb); - - /* initialize the hardware */ - return low_level_init(netif); -} - - -/** - * - */ -void -wlif_poll(struct netif* netif) -{ - struct wlif_t* priv = NULL; - - /* wl api forward progress */ - wl_poll(); - - if (netif) - priv = (struct wlif_t*) netif->state; - - /* wlif_init() not called yet? */ - if (priv == NULL) - return; - - /* no packets pending? */ - if (!priv->rx_pending) - return; - - /* read the pending packet */ - wlif_input(netif); - - /* send any packets that was queued due to filled up target queue - * or power save mode. - */ - process_pqueue(netif); -} diff --git a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/readme.txt b/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/readme.txt deleted file mode 100644 index c95f30e..0000000 --- a/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-port-1.3.2/HD/readme.txt +++ /dev/null @@ -1 +0,0 @@ -This directory is specific to the WIFI H&D SPB104 components (\COMPONENTS\WIFI\HD_SPB104). |