146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
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/*! \page License
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* Copyright (C) 2009, H&D Wireless AB All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of H&D Wireless AB may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY H&D WIRELESS AB ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
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* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*!
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* \file lwIP setup code
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*
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* \brief Collects the lwIP setup code that an application has to
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* execute in a standalone environment.
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*
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* \author H&D Wireless AB \n
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*
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*/
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#include <lwip/init.h>
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#include <lwip/dhcp.h>
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#include <lwip/tcp.h>
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#include <ipv4/lwip/ip_frag.h>
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#include <netif/etharp.h>
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#include <netif/wlif.h>
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#include <timer.h>
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#include "lwip_setup.h"
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#include "lwip/dns.h"
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/**
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*
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*/
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static void
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tcp_tmr_cb(void *ctx)
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{
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tcp_tmr();
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}
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/**
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*
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*/
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static void
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ip_tmr_cb(void *ctx)
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{
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ip_reass_tmr();
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}
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/**
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*
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*/
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static void
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dns_tmr_cb(void *ctx)
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{
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dns_tmr();
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}
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/**
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*
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*/
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static void
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etharp_tmr_cb(void *ctx)
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{
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etharp_tmr();
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}
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/**
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*
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*/
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static void
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dhcp_fine_tmr_cb(void *ctx)
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{
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dhcp_fine_tmr();
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}
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/**
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*
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*/
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static void
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dhcp_coarse_tmr_cb(void *ctx)
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{
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dhcp_coarse_tmr();
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}
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int start_ip_stack(struct net_cfg *cfg,
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struct ip_addr ipaddr,
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struct ip_addr netmask,
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struct ip_addr gw) {
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if (cfg->dhcp_enabled) {
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IP4_ADDR(&gw, 0,0,0,0);
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IP4_ADDR(&ipaddr, 0,0,0,0);
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IP4_ADDR(&netmask, 0,0,0,0);
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}
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/* add wl to lwip interface list and set as default */
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cfg->netif = netif_add(cfg->netif,
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&ipaddr,
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&netmask,
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&gw,
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NULL,
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wlif_init, /* init */
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ethernet_input /* handles ARP and IP packets */);
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if (cfg->netif == NULL)
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return -1;
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netif_set_default(cfg->netif);
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/* register lwip timer callbacks for tcp, arp and dhcp protocols */
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timer_sched_timeout_cb(5000, TIMEOUT_PERIODIC,
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etharp_tmr_cb, NULL);
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timer_sched_timeout_cb(TCP_TMR_INTERVAL, TIMEOUT_PERIODIC,
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tcp_tmr_cb, NULL);
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timer_sched_timeout_cb(DHCP_FINE_TIMER_MSECS, TIMEOUT_PERIODIC,
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dhcp_fine_tmr_cb, NULL);
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timer_sched_timeout_cb(DHCP_COARSE_TIMER_MSECS, TIMEOUT_PERIODIC,
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dhcp_coarse_tmr_cb, NULL);
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timer_sched_timeout_cb(IP_TMR_INTERVAL, TIMEOUT_PERIODIC,
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ip_tmr_cb, NULL);
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timer_sched_timeout_cb(DNS_TMR_INTERVAL, TIMEOUT_PERIODIC,
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dns_tmr_cb, NULL);
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return 1;
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}
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