diff options
Diffstat (limited to 'components/net/uip/rt-thread/uip_ethernetif.c')
| -rw-r--r-- | components/net/uip/rt-thread/uip_ethernetif.c | 342 |
1 files changed, 171 insertions, 171 deletions
diff --git a/components/net/uip/rt-thread/uip_ethernetif.c b/components/net/uip/rt-thread/uip_ethernetif.c index fa4e52461e..593fdba2b5 100644 --- a/components/net/uip/rt-thread/uip_ethernetif.c +++ b/components/net/uip/rt-thread/uip_ethernetif.c @@ -14,9 +14,9 @@ /* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, + * 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, @@ -25,21 +25,21 @@ * 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. + * 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 + * 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 <[email protected]> * */ @@ -62,19 +62,19 @@ extern u16_t uip_len, uip_slen; static struct rt_mailbox eth_rx_thread_mb; static struct rt_thread eth_rx_thread; #ifndef RT_LWIP_ETHTHREAD_PRIORITY -#define RT_ETHERNETIF_THREAD_PREORITY 0x90 +#define RT_ETHERNETIF_THREAD_PREORITY 0x90 static char eth_rx_thread_mb_pool[48 * 4]; static char eth_rx_thread_stack[1024]; #else -#define RT_ETHERNETIF_THREAD_PREORITY RT_LWIP_ETHTHREAD_PRIORITY +#define RT_ETHERNETIF_THREAD_PREORITY RT_LWIP_ETHTHREAD_PRIORITY static char eth_rx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * 4]; static char eth_rx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE]; #endif struct eth_tx_msg { - struct netif *netif; - struct pbuf *buf; + struct netif *netif; + struct pbuf *buf; }; static struct rt_mailbox eth_tx_thread_mb; static struct rt_thread eth_tx_thread; @@ -89,225 +89,225 @@ static char eth_tx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE]; /* the interface provided to uIP */ err_t eth_init(struct netif *netif) { - return 0; + return 0; } extern err_t ethernetif_linkoutput(struct netif *netif, struct pbuf *p); err_t eth_input(struct pbuf *p,struct netif *inp) { - struct eth_hdr *ethhdr; + struct eth_hdr *ethhdr; - if(p != RT_NULL) - { + if(p != RT_NULL) + { #ifdef LINK_STATS - //LINK_STATS_INC(link.recv); -#endif LINK_STATS + //LINK_STATS_INC(link.recv); +#endif LINK_STATS - ethhdr = p->payload; + ethhdr = p->payload; - switch(uip_htons(ethhdr->type)) - { - case ETHTYPE_IP: //ETHTYPE_IP - etharp_ip_input(inp, p); - pbuf_header(p, -((rt_int16_t)sizeof(struct eth_hdr))); - if (tcpip_input(p, inp) != ERR_OK) - { - // discard packet - pbuf_free(p); - } - break; + switch(uip_htons(ethhdr->type)) + { + case ETHTYPE_IP: //ETHTYPE_IP + etharp_ip_input(inp, p); + pbuf_header(p, -((rt_int16_t)sizeof(struct eth_hdr))); + if (tcpip_input(p, inp) != ERR_OK) + { + // discard packet + pbuf_free(p); + } + break; - case ETHTYPE_ARP: - etharp_arp_input(inp, (struct eth_addr *)inp->hwaddr, p); - break; + case ETHTYPE_ARP: + etharp_arp_input(inp, (struct eth_addr *)inp->hwaddr, p); + break; - default: - pbuf_free(p); - p = RT_NULL; - break; - } - } + default: + pbuf_free(p); + p = RT_NULL; + break; + } + } return ERR_OK; } err_t ethernetif_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr) { - return etharp_output(netif, p, ipaddr); + return etharp_output(netif, p, ipaddr); } err_t ethernetif_linkoutput(struct netif *netif, struct pbuf *p) { - struct eth_tx_msg msg; - struct eth_device* enetif; + struct eth_tx_msg msg; + struct eth_device* enetif; - enetif = (struct eth_device*)netif->state; + enetif = (struct eth_device*)netif->state; - /* send a message to eth tx thread */ - msg.netif = netif; - msg.buf = p; - if (rt_mb_send(ð_tx_thread_mb, (rt_uint32_t) &msg) == RT_EOK) - { - /* waiting for ack */ - rt_sem_take(&(enetif->tx_ack), RT_WAITING_FOREVER); - } + /* send a message to eth tx thread */ + msg.netif = netif; + msg.buf = p; + if (rt_mb_send(ð_tx_thread_mb, (rt_uint32_t) &msg) == RT_EOK) + { + /* waiting for ack */ + rt_sem_take(&(enetif->tx_ack), RT_WAITING_FOREVER); + } - return ERR_OK; + return ERR_OK; } /* ethernetif APIs */ rt_err_t eth_device_init(struct eth_device* dev, const char* name) { - struct netif* netif; + struct netif* netif; uip_ipaddr_t ipaddr; - netif = (struct netif*) rt_malloc (sizeof(struct netif)); - if (netif == RT_NULL) - { - rt_kprintf("malloc netif failed\n"); - return -RT_ERROR; - } - rt_memset(netif, 0, sizeof(struct netif)); + netif = (struct netif*) rt_malloc (sizeof(struct netif)); + if (netif == RT_NULL) + { + rt_kprintf("malloc netif failed\n"); + return -RT_ERROR; + } + rt_memset(netif, 0, sizeof(struct netif)); + + /* set netif */ + dev->netif = netif; + /* register to rt-thread device manager */ + rt_device_register(&(dev->parent), name, RT_DEVICE_FLAG_RDWR); + dev->parent.type = RT_Device_Class_NetIf; + rt_sem_init(&(dev->tx_ack), name, 0, RT_IPC_FLAG_FIFO); - /* set netif */ - dev->netif = netif; - /* register to rt-thread device manager */ - rt_device_register(&(dev->parent), name, RT_DEVICE_FLAG_RDWR); - dev->parent.type = RT_Device_Class_NetIf; - rt_sem_init(&(dev->tx_ack), name, 0, RT_IPC_FLAG_FIFO); + /* set name */ + netif->name[0] = name[0]; + netif->name[1] = name[1]; - /* set name */ - netif->name[0] = name[0]; - netif->name[1] = name[1]; + /* set hw address to 6 */ + netif->hwaddr_len = 6; + /* maximum transfer unit */ + netif->mtu = ETHERNET_MTU; + /* broadcast capability */ + netif->flags = NETIF_FLAG_BROADCAST; - /* set hw address to 6 */ - netif->hwaddr_len = 6; - /* maximum transfer unit */ - netif->mtu = ETHERNET_MTU; - /* broadcast capability */ - netif->flags = NETIF_FLAG_BROADCAST; - #if LWIP_IGMP - /* igmp support */ - netif->flags |= NETIF_FLAG_IGMP; + /* igmp support */ + netif->flags |= NETIF_FLAG_IGMP; #endif - /* get hardware address */ - rt_device_control(&(dev->parent), NIOCTL_GADDR, netif->hwaddr); + /* get hardware address */ + rt_device_control(&(dev->parent), NIOCTL_GADDR, netif->hwaddr); - /* set output */ - netif->output = ethernetif_output; - netif->linkoutput = ethernetif_linkoutput; + /* set output */ + netif->output = ethernetif_output; + netif->linkoutput = ethernetif_linkoutput; - /* add netif to lwip */ - - if (netif_add(netif, IP_ADDR_ANY, IP_ADDR_BROADCAST, IP_ADDR_ANY, dev, - eth_init, eth_input) == RT_NULL) - { - /* failed, unregister device and free netif */ - rt_device_unregister(&(dev->parent)); - rt_free(netif); - return -RT_ERROR; - } - - netif_set_default(netif); - return RT_EOK; + /* add netif to lwip */ + + if (netif_add(netif, IP_ADDR_ANY, IP_ADDR_BROADCAST, IP_ADDR_ANY, dev, + eth_init, eth_input) == RT_NULL) + { + /* failed, unregister device and free netif */ + rt_device_unregister(&(dev->parent)); + rt_free(netif); + return -RT_ERROR; + } + + netif_set_default(netif); + return RT_EOK; } /* ethernet buffer */ void eth_tx_thread_entry(void* parameter) { - struct eth_tx_msg* msg; + struct eth_tx_msg* msg; - while (1) - { - if (rt_mb_recv(ð_tx_thread_mb, (rt_uint32_t*)&msg, RT_WAITING_FOREVER) == RT_EOK) - { - struct eth_device* enetif; + while (1) + { + if (rt_mb_recv(ð_tx_thread_mb, (rt_uint32_t*)&msg, RT_WAITING_FOREVER) == RT_EOK) + { + struct eth_device* enetif; - RT_ASSERT(msg->netif != RT_NULL); - RT_ASSERT(msg->buf != RT_NULL); + RT_ASSERT(msg->netif != RT_NULL); + RT_ASSERT(msg->buf != RT_NULL); - enetif = (struct eth_device*)msg->netif->state; - if (enetif != RT_NULL) - { - /* call driver's interface */ - if (enetif->eth_tx(&(enetif->parent), msg->buf) != RT_EOK) - { - rt_kprintf("transmit eth packet failed\n"); - } - } + enetif = (struct eth_device*)msg->netif->state; + if (enetif != RT_NULL) + { + /* call driver's interface */ + if (enetif->eth_tx(&(enetif->parent), msg->buf) != RT_EOK) + { + rt_kprintf("transmit eth packet failed\n"); + } + } - /* send ack */ - rt_sem_release(&(enetif->tx_ack)); - } - } + /* send ack */ + rt_sem_release(&(enetif->tx_ack)); + } + } } /* ethernet buffer */ void eth_rx_thread_entry(void* parameter) { - struct eth_device* device; + struct eth_device* device; - while (1) - { - if (rt_mb_recv(ð_rx_thread_mb, (rt_uint32_t*)&device, RT_WAITING_FOREVER) == RT_EOK) - { - struct pbuf *p; + while (1) + { + if (rt_mb_recv(ð_rx_thread_mb, (rt_uint32_t*)&device, RT_WAITING_FOREVER) == RT_EOK) + { + struct pbuf *p; - /* receive all of buffer */ - while (1) - { - p = device->eth_rx(&(device->parent)); - if (p != RT_NULL) - { - /* notify to upper layer */ - eth_input(p, device->netif); - } - else break; - } - } - } + /* receive all of buffer */ + while (1) + { + p = device->eth_rx(&(device->parent)); + if (p != RT_NULL) + { + /* notify to upper layer */ + eth_input(p, device->netif); + } + else break; + } + } + } } rt_err_t eth_device_ready(struct eth_device* dev) { - /* post message to ethernet thread */ - return rt_mb_send(ð_rx_thread_mb, (rt_uint32_t)dev); + /* post message to ethernet thread */ + return rt_mb_send(ð_rx_thread_mb, (rt_uint32_t)dev); } rt_err_t eth_system_device_init() { - rt_err_t result = RT_EOK; + rt_err_t result = RT_EOK; + + /* init rx thread */ + /* init mailbox and create ethernet thread */ + result = rt_mb_init(ð_rx_thread_mb, "erxmb", + ð_rx_thread_mb_pool[0], sizeof(eth_rx_thread_mb_pool)/4, + RT_IPC_FLAG_FIFO); + RT_ASSERT(result == RT_EOK); - /* init rx thread */ - /* init mailbox and create ethernet thread */ - result = rt_mb_init(ð_rx_thread_mb, "erxmb", - ð_rx_thread_mb_pool[0], sizeof(eth_rx_thread_mb_pool)/4, - RT_IPC_FLAG_FIFO); - RT_ASSERT(result == RT_EOK); + result = rt_thread_init(ð_rx_thread, "erx", eth_rx_thread_entry, RT_NULL, + ð_rx_thread_stack[0], sizeof(eth_rx_thread_stack), + RT_ETHERNETIF_THREAD_PREORITY, 16); + RT_ASSERT(result == RT_EOK); - result = rt_thread_init(ð_rx_thread, "erx", eth_rx_thread_entry, RT_NULL, - ð_rx_thread_stack[0], sizeof(eth_rx_thread_stack), - RT_ETHERNETIF_THREAD_PREORITY, 16); - RT_ASSERT(result == RT_EOK); + result = rt_thread_startup(ð_rx_thread); + RT_ASSERT(result == RT_EOK); - result = rt_thread_startup(ð_rx_thread); - RT_ASSERT(result == RT_EOK); + /* init tx thread */ + /* init mailbox and create ethernet thread */ - /* init tx thread */ - /* init mailbox and create ethernet thread */ - - result = rt_mb_init(ð_tx_thread_mb, "etxmb", - ð_tx_thread_mb_pool[0], sizeof(eth_tx_thread_mb_pool)/4, - RT_IPC_FLAG_FIFO); - RT_ASSERT(result == RT_EOK); + result = rt_mb_init(ð_tx_thread_mb, "etxmb", + ð_tx_thread_mb_pool[0], sizeof(eth_tx_thread_mb_pool)/4, + RT_IPC_FLAG_FIFO); + RT_ASSERT(result == RT_EOK); - result = rt_thread_init(ð_tx_thread, "etx", eth_tx_thread_entry, RT_NULL, - ð_tx_thread_stack[0], sizeof(eth_tx_thread_stack), - RT_ETHERNETIF_THREAD_PREORITY, 16); - RT_ASSERT(result == RT_EOK); + result = rt_thread_init(ð_tx_thread, "etx", eth_tx_thread_entry, RT_NULL, + ð_tx_thread_stack[0], sizeof(eth_tx_thread_stack), + RT_ETHERNETIF_THREAD_PREORITY, 16); + RT_ASSERT(result == RT_EOK); - result = rt_thread_startup(ð_tx_thread); - RT_ASSERT(result == RT_EOK); + result = rt_thread_startup(ð_tx_thread); + RT_ASSERT(result == RT_EOK); - return result; + return result; } |
