From 4a5239de7fff7c51b4175531ce06c263e0c2525a Mon Sep 17 00:00:00 2001 From: gdisirio Date: Mon, 27 Feb 2012 20:13:36 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3996 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c | 304 ------------------------ 1 file changed, 304 deletions(-) delete mode 100644 demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c (limited to 'demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c') diff --git a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c b/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c deleted file mode 100644 index 298fff139..000000000 --- a/demos/ARM7-AT91SAM7X-LWIP-GCC/lwip/lwipthread.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, - 2011,2012 Giovanni Di Sirio. - - This file is part of ChibiOS/RT. - - ChibiOS/RT is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - ChibiOS/RT is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ -/* - * **** This file incorporates work covered by the following copyright and **** - * **** permission notice: **** - * - * 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 - * - */ - -/** - * @file lwipthread.c - * @brief LWIP wrapper thread code. - * @addtogroup LWIP_THREAD - * @{ - */ - -#include "ch.h" -#include "hal.h" -#include "evtimer.h" - -#include "lwip/opt.h" - -#include "lwip/def.h" -#include "lwip/mem.h" -#include "lwip/pbuf.h" -#include "lwip/sys.h" -#include -#include -#include -#include "netif/etharp.h" -#include "netif/ppp_oe.h" - -#include "lwipthread.h" - -#define PERIODIC_TIMER_ID 1 -#define FRAME_RECEIVED_ID 2 - -/** - * Stack area for the LWIP-MAC thread. - */ -WORKING_AREA(wa_lwip_thread, LWIP_THREAD_STACK_SIZE); - -/* - * Initialization. - */ -static void low_level_init(struct netif *netif) { - /* set MAC hardware address length */ - netif->hwaddr_len = ETHARP_HWADDR_LEN; - - /* maximum transfer unit */ - netif->mtu = 1500; - - /* device capabilities */ - /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */ - netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP; - - /* Do whatever else is needed to initialize interface. */ -} - -/* - * Transmits a frame. - */ -static err_t low_level_output(struct netif *netif, struct pbuf *p) { - struct pbuf *q; - MACTransmitDescriptor td; - - (void)netif; - if (macWaitTransmitDescriptor(Ð1, &td, MS2ST(LWIP_SEND_TIMEOUT)) != RDY_OK) - return ERR_TIMEOUT; - -#if ETH_PAD_SIZE - pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */ -#endif - - /* Iterates through the pbuf chain. */ - for(q = p; q != NULL; q = q->next) { - macWriteTransmitDescriptor(&td, (uint8_t *)q->payload, (size_t)q->len); - } - macReleaseTransmitDescriptor(&td); - -#if ETH_PAD_SIZE - pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */ -#endif - - LINK_STATS_INC(link.xmit); - - return ERR_OK; -} - -/* - * Receives a frame. - */ -static struct pbuf *low_level_input(struct netif *netif) { - MACReceiveDescriptor rd; - struct pbuf *p, *q; - u16_t len; - - (void)netif; - if (macWaitReceiveDescriptor(Ð1, &rd, TIME_IMMEDIATE) == RDY_OK) { - len = (u16_t)rd.size; - -#if ETH_PAD_SIZE - len += ETH_PAD_SIZE; /* allow room for Ethernet padding */ -#endif - - /* We allocate a pbuf chain of pbufs from the pool. */ - p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL); - - if (p != NULL) { - -#if ETH_PAD_SIZE - pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */ -#endif - - /* Iterates through the pbuf chain. */ - for(q = p; q != NULL; q = q->next) { - macReadReceiveDescriptor(&rd, (uint8_t *)q->payload, (size_t)q->len); - } - macReleaseReceiveDescriptor(&rd); - -#if ETH_PAD_SIZE - pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */ -#endif - - LINK_STATS_INC(link.recv); - } - else { - macReleaseReceiveDescriptor(&rd); - LINK_STATS_INC(link.memerr); - LINK_STATS_INC(link.drop); - } - return p; - } - return NULL; -} - -/* - * Initialization. - */ -static err_t ethernetif_init(struct netif *netif) { -#if LWIP_NETIF_HOSTNAME - /* Initialize interface hostname */ - netif->hostname = "lwip"; -#endif /* LWIP_NETIF_HOSTNAME */ - - /* - * Initialize the snmp variables and counters inside the struct netif. - * The last argument should be replaced with your link speed, in units - * of bits per second. - */ - NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LWIP_LINK_SPEED); - - netif->state = NULL; - netif->name[0] = LWIP_IFNAME0; - netif->name[1] = LWIP_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; - - /* initialize the hardware */ - low_level_init(netif); - - return ERR_OK; -} - -/** - * @brief LWIP handling thread. - * - * @param[in] p pointer to a @p lwipthread_opts structure or @p NULL - * @return The function does not return. - */ -msg_t lwip_thread(void *p) { - EvTimer evt; - EventListener el0, el1; - struct ip_addr ip, gateway, netmask; - static struct netif thisif; - static const MACConfig mac_config = {thisif.hwaddr}; - - /* Initializes the thing.*/ - sys_init(); - mem_init(); - memp_init(); - pbuf_init(); - netif_init(); - ip_init(); - tcpip_init(NULL, NULL); - - /* TCP/IP parameters, runtime or compile time.*/ - if (p) { - struct lwipthread_opts *opts = p; - unsigned i; - - for (i = 0; i < 6; i++) - thisif.hwaddr[i] = opts->macaddress[i]; - ip.addr = opts->address; - gateway.addr = opts->gateway; - netmask.addr = opts->netmask; - } - else { - thisif.hwaddr[0] = LWIP_ETHADDR_0; - thisif.hwaddr[1] = LWIP_ETHADDR_1; - thisif.hwaddr[2] = LWIP_ETHADDR_2; - thisif.hwaddr[3] = LWIP_ETHADDR_3; - thisif.hwaddr[4] = LWIP_ETHADDR_4; - thisif.hwaddr[5] = LWIP_ETHADDR_5; - LWIP_IPADDR(&ip); - LWIP_GATEWAY(&gateway); - LWIP_NETMASK(&netmask); - } - macStart(Ð1, &mac_config); - netif_add(&thisif, &ip, &netmask, &gateway, NULL, ethernetif_init, tcpip_input); - - netif_set_default(&thisif); - netif_set_up(&thisif); - - /* Setup event sources.*/ - evtInit(&evt, S2ST(5)); - evtStart(&evt); - chEvtRegisterMask(&evt.et_es, &el0, PERIODIC_TIMER_ID); - chEvtRegisterMask(macGetReceiveEventSource(Ð1), &el1, FRAME_RECEIVED_ID); - chEvtAddFlags(PERIODIC_TIMER_ID | FRAME_RECEIVED_ID); - - /* Goes to the final priority after initialization.*/ - chThdSetPriority(LWIP_THREAD_PRIORITY); - - while (TRUE) { - eventmask_t mask = chEvtWaitAny(ALL_EVENTS); - if (mask & PERIODIC_TIMER_ID) - (void)macPollLinkStatus(Ð1); - if (mask & FRAME_RECEIVED_ID) { - struct pbuf *p; - while ((p = low_level_input(&thisif)) != NULL) { - struct eth_hdr *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 (thisif.input(p, &thisif) == ERR_OK) - break; - LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n")); - default: - pbuf_free(p); - } - } - } - } - return 0; -} - -/** @} */ -- cgit v1.2.3