1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/*! \page License
* Copyright (C) 2009, H&D Wireless AB 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 H&D Wireless AB may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY H&D WIRELESS AB ``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 EXPRESSLY AND
* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
*/
/*!
* \file lwIP setup code
*
* \brief Collects the lwIP setup code that an application has to
* execute in a standalone environment.
*
* \author H&D Wireless AB \n
*
*/
#include <lwip/init.h>
#include <lwip/dhcp.h>
#include <lwip/tcp.h>
#include <ipv4/lwip/ip_frag.h>
#include <netif/etharp.h>
#include <netif/wlif.h>
#include <timer.h>
#include "lwip_setup.h"
#include "lwip/dns.h"
/**
*
*/
static void
tcp_tmr_cb(void *ctx)
{
tcp_tmr();
}
/**
*
*/
static void
ip_tmr_cb(void *ctx)
{
ip_reass_tmr();
}
/**
*
*/
static void
dns_tmr_cb(void *ctx)
{
dns_tmr();
}
/**
*
*/
static void
etharp_tmr_cb(void *ctx)
{
etharp_tmr();
}
/**
*
*/
static void
dhcp_fine_tmr_cb(void *ctx)
{
dhcp_fine_tmr();
}
/**
*
*/
static void
dhcp_coarse_tmr_cb(void *ctx)
{
dhcp_coarse_tmr();
}
int start_ip_stack(struct net_cfg *cfg,
struct ip_addr ipaddr,
struct ip_addr netmask,
struct ip_addr gw) {
if (cfg->dhcp_enabled) {
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
}
/* add wl to lwip interface list and set as default */
cfg->netif = netif_add(cfg->netif,
&ipaddr,
&netmask,
&gw,
NULL,
wlif_init, /* init */
ethernet_input /* handles ARP and IP packets */);
if (cfg->netif == NULL)
return -1;
netif_set_default(cfg->netif);
/* register lwip timer callbacks for tcp, arp and dhcp protocols */
timer_sched_timeout_cb(5000, TIMEOUT_PERIODIC,
etharp_tmr_cb, NULL);
timer_sched_timeout_cb(TCP_TMR_INTERVAL, TIMEOUT_PERIODIC,
tcp_tmr_cb, NULL);
timer_sched_timeout_cb(DHCP_FINE_TIMER_MSECS, TIMEOUT_PERIODIC,
dhcp_fine_tmr_cb, NULL);
timer_sched_timeout_cb(DHCP_COARSE_TIMER_MSECS, TIMEOUT_PERIODIC,
dhcp_coarse_tmr_cb, NULL);
timer_sched_timeout_cb(IP_TMR_INTERVAL, TIMEOUT_PERIODIC,
ip_tmr_cb, NULL);
timer_sched_timeout_cb(DNS_TMR_INTERVAL, TIMEOUT_PERIODIC,
dns_tmr_cb, NULL);
return 1;
}
|