Michael Kersh / Mbed 2 deprecated ECE4180EthernetTest

Ethernet test for ECE 4180 and others to find your IP address and do a simple HTTP GET request over port 80.

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/netif/ethernetif.c@0:e7ca326e76ee, 2013-04-04 (annotated)

Committer:
mkersh3
Date:
Thu Apr 04 05:26:09 2013 +0000
Revision:
0:e7ca326e76ee
Ethernet Test for ECE4180 and others to find their IP Address and do a simple HTTP GET request over port 80.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mkersh3 0:e7ca326e76ee 1 /**
mkersh3 0:e7ca326e76ee 2 * @file
mkersh3 0:e7ca326e76ee 3 * Ethernet Interface Skeleton
mkersh3 0:e7ca326e76ee 4 *
mkersh3 0:e7ca326e76ee 5 */
mkersh3 0:e7ca326e76ee 6
mkersh3 0:e7ca326e76ee 7 /*
mkersh3 0:e7ca326e76ee 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mkersh3 0:e7ca326e76ee 9 * All rights reserved.
mkersh3 0:e7ca326e76ee 10 *
mkersh3 0:e7ca326e76ee 11 * Redistribution and use in source and binary forms, with or without modification,
mkersh3 0:e7ca326e76ee 12 * are permitted provided that the following conditions are met:
mkersh3 0:e7ca326e76ee 13 *
mkersh3 0:e7ca326e76ee 14 * 1. Redistributions of source code must retain the above copyright notice,
mkersh3 0:e7ca326e76ee 15 * this list of conditions and the following disclaimer.
mkersh3 0:e7ca326e76ee 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
mkersh3 0:e7ca326e76ee 17 * this list of conditions and the following disclaimer in the documentation
mkersh3 0:e7ca326e76ee 18 * and/or other materials provided with the distribution.
mkersh3 0:e7ca326e76ee 19 * 3. The name of the author may not be used to endorse or promote products
mkersh3 0:e7ca326e76ee 20 * derived from this software without specific prior written permission.
mkersh3 0:e7ca326e76ee 21 *
mkersh3 0:e7ca326e76ee 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mkersh3 0:e7ca326e76ee 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mkersh3 0:e7ca326e76ee 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mkersh3 0:e7ca326e76ee 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mkersh3 0:e7ca326e76ee 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mkersh3 0:e7ca326e76ee 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mkersh3 0:e7ca326e76ee 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mkersh3 0:e7ca326e76ee 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mkersh3 0:e7ca326e76ee 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mkersh3 0:e7ca326e76ee 31 * OF SUCH DAMAGE.
mkersh3 0:e7ca326e76ee 32 *
mkersh3 0:e7ca326e76ee 33 * This file is part of the lwIP TCP/IP stack.
mkersh3 0:e7ca326e76ee 34 *
mkersh3 0:e7ca326e76ee 35 * Author: Adam Dunkels <adam@sics.se>
mkersh3 0:e7ca326e76ee 36 *
mkersh3 0:e7ca326e76ee 37 */
mkersh3 0:e7ca326e76ee 38
mkersh3 0:e7ca326e76ee 39 /*
mkersh3 0:e7ca326e76ee 40 * This file is a skeleton for developing Ethernet network interface
mkersh3 0:e7ca326e76ee 41 * drivers for lwIP. Add code to the low_level functions and do a
mkersh3 0:e7ca326e76ee 42 * search-and-replace for the word "ethernetif" to replace it with
mkersh3 0:e7ca326e76ee 43 * something that better describes your network interface.
mkersh3 0:e7ca326e76ee 44 */
mkersh3 0:e7ca326e76ee 45
mkersh3 0:e7ca326e76ee 46 #include "lwip/opt.h"
mkersh3 0:e7ca326e76ee 47
mkersh3 0:e7ca326e76ee 48 #if 0 /* don't build, this is only a skeleton, see previous comment */
mkersh3 0:e7ca326e76ee 49
mkersh3 0:e7ca326e76ee 50 #include "lwip/def.h"
mkersh3 0:e7ca326e76ee 51 #include "lwip/mem.h"
mkersh3 0:e7ca326e76ee 52 #include "lwip/pbuf.h"
mkersh3 0:e7ca326e76ee 53 #include "lwip/sys.h"
mkersh3 0:e7ca326e76ee 54 #include <lwip/stats.h>
mkersh3 0:e7ca326e76ee 55 #include <lwip/snmp.h>
mkersh3 0:e7ca326e76ee 56 #include "netif/etharp.h"
mkersh3 0:e7ca326e76ee 57 #include "netif/ppp_oe.h"
mkersh3 0:e7ca326e76ee 58
mkersh3 0:e7ca326e76ee 59 /* Define those to better describe your network interface. */
mkersh3 0:e7ca326e76ee 60 #define IFNAME0 'e'
mkersh3 0:e7ca326e76ee 61 #define IFNAME1 'n'
mkersh3 0:e7ca326e76ee 62
mkersh3 0:e7ca326e76ee 63 /**
mkersh3 0:e7ca326e76ee 64 * Helper struct to hold private data used to operate your ethernet interface.
mkersh3 0:e7ca326e76ee 65 * Keeping the ethernet address of the MAC in this struct is not necessary
mkersh3 0:e7ca326e76ee 66 * as it is already kept in the struct netif.
mkersh3 0:e7ca326e76ee 67 * But this is only an example, anyway...
mkersh3 0:e7ca326e76ee 68 */
mkersh3 0:e7ca326e76ee 69 struct ethernetif {
mkersh3 0:e7ca326e76ee 70 struct eth_addr *ethaddr;
mkersh3 0:e7ca326e76ee 71 /* Add whatever per-interface state that is needed here. */
mkersh3 0:e7ca326e76ee 72 };
mkersh3 0:e7ca326e76ee 73
mkersh3 0:e7ca326e76ee 74 /* Forward declarations. */
mkersh3 0:e7ca326e76ee 75 static void ethernetif_input(struct netif *netif);
mkersh3 0:e7ca326e76ee 76
mkersh3 0:e7ca326e76ee 77 /**
mkersh3 0:e7ca326e76ee 78 * In this function, the hardware should be initialized.
mkersh3 0:e7ca326e76ee 79 * Called from ethernetif_init().
mkersh3 0:e7ca326e76ee 80 *
mkersh3 0:e7ca326e76ee 81 * @param netif the already initialized lwip network interface structure
mkersh3 0:e7ca326e76ee 82 * for this ethernetif
mkersh3 0:e7ca326e76ee 83 */
mkersh3 0:e7ca326e76ee 84 static void
mkersh3 0:e7ca326e76ee 85 low_level_init(struct netif *netif)
mkersh3 0:e7ca326e76ee 86 {
mkersh3 0:e7ca326e76ee 87 struct ethernetif *ethernetif = netif->state;
mkersh3 0:e7ca326e76ee 88
mkersh3 0:e7ca326e76ee 89 /* set MAC hardware address length */
mkersh3 0:e7ca326e76ee 90 netif->hwaddr_len = ETHARP_HWADDR_LEN;
mkersh3 0:e7ca326e76ee 91
mkersh3 0:e7ca326e76ee 92 /* set MAC hardware address */
mkersh3 0:e7ca326e76ee 93 netif->hwaddr[0] = ;
mkersh3 0:e7ca326e76ee 94 ...
mkersh3 0:e7ca326e76ee 95 netif->hwaddr[5] = ;
mkersh3 0:e7ca326e76ee 96
mkersh3 0:e7ca326e76ee 97 /* maximum transfer unit */
mkersh3 0:e7ca326e76ee 98 netif->mtu = 1500;
mkersh3 0:e7ca326e76ee 99
mkersh3 0:e7ca326e76ee 100 /* device capabilities */
mkersh3 0:e7ca326e76ee 101 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
mkersh3 0:e7ca326e76ee 102 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
mkersh3 0:e7ca326e76ee 103
mkersh3 0:e7ca326e76ee 104 /* Do whatever else is needed to initialize interface. */
mkersh3 0:e7ca326e76ee 105 }
mkersh3 0:e7ca326e76ee 106
mkersh3 0:e7ca326e76ee 107 /**
mkersh3 0:e7ca326e76ee 108 * This function should do the actual transmission of the packet. The packet is
mkersh3 0:e7ca326e76ee 109 * contained in the pbuf that is passed to the function. This pbuf
mkersh3 0:e7ca326e76ee 110 * might be chained.
mkersh3 0:e7ca326e76ee 111 *
mkersh3 0:e7ca326e76ee 112 * @param netif the lwip network interface structure for this ethernetif
mkersh3 0:e7ca326e76ee 113 * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
mkersh3 0:e7ca326e76ee 114 * @return ERR_OK if the packet could be sent
mkersh3 0:e7ca326e76ee 115 * an err_t value if the packet couldn't be sent
mkersh3 0:e7ca326e76ee 116 *
mkersh3 0:e7ca326e76ee 117 * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
mkersh3 0:e7ca326e76ee 118 * strange results. You might consider waiting for space in the DMA queue
mkersh3 0:e7ca326e76ee 119 * to become availale since the stack doesn't retry to send a packet
mkersh3 0:e7ca326e76ee 120 * dropped because of memory failure (except for the TCP timers).
mkersh3 0:e7ca326e76ee 121 */
mkersh3 0:e7ca326e76ee 122
mkersh3 0:e7ca326e76ee 123 static err_t
mkersh3 0:e7ca326e76ee 124 low_level_output(struct netif *netif, struct pbuf *p)
mkersh3 0:e7ca326e76ee 125 {
mkersh3 0:e7ca326e76ee 126 struct ethernetif *ethernetif = netif->state;
mkersh3 0:e7ca326e76ee 127 struct pbuf *q;
mkersh3 0:e7ca326e76ee 128
mkersh3 0:e7ca326e76ee 129 initiate transfer();
mkersh3 0:e7ca326e76ee 130
mkersh3 0:e7ca326e76ee 131 #if ETH_PAD_SIZE
mkersh3 0:e7ca326e76ee 132 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
mkersh3 0:e7ca326e76ee 133 #endif
mkersh3 0:e7ca326e76ee 134
mkersh3 0:e7ca326e76ee 135 for(q = p; q != NULL; q = q->next) {
mkersh3 0:e7ca326e76ee 136 /* Send the data from the pbuf to the interface, one pbuf at a
mkersh3 0:e7ca326e76ee 137 time. The size of the data in each pbuf is kept in the ->len
mkersh3 0:e7ca326e76ee 138 variable. */
mkersh3 0:e7ca326e76ee 139 send data from(q->payload, q->len);
mkersh3 0:e7ca326e76ee 140 }
mkersh3 0:e7ca326e76ee 141
mkersh3 0:e7ca326e76ee 142 signal that packet should be sent();
mkersh3 0:e7ca326e76ee 143
mkersh3 0:e7ca326e76ee 144 #if ETH_PAD_SIZE
mkersh3 0:e7ca326e76ee 145 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
mkersh3 0:e7ca326e76ee 146 #endif
mkersh3 0:e7ca326e76ee 147
mkersh3 0:e7ca326e76ee 148 LINK_STATS_INC(link.xmit);
mkersh3 0:e7ca326e76ee 149
mkersh3 0:e7ca326e76ee 150 return ERR_OK;
mkersh3 0:e7ca326e76ee 151 }
mkersh3 0:e7ca326e76ee 152
mkersh3 0:e7ca326e76ee 153 /**
mkersh3 0:e7ca326e76ee 154 * Should allocate a pbuf and transfer the bytes of the incoming
mkersh3 0:e7ca326e76ee 155 * packet from the interface into the pbuf.
mkersh3 0:e7ca326e76ee 156 *
mkersh3 0:e7ca326e76ee 157 * @param netif the lwip network interface structure for this ethernetif
mkersh3 0:e7ca326e76ee 158 * @return a pbuf filled with the received packet (including MAC header)
mkersh3 0:e7ca326e76ee 159 * NULL on memory error
mkersh3 0:e7ca326e76ee 160 */
mkersh3 0:e7ca326e76ee 161 static struct pbuf *
mkersh3 0:e7ca326e76ee 162 low_level_input(struct netif *netif)
mkersh3 0:e7ca326e76ee 163 {
mkersh3 0:e7ca326e76ee 164 struct ethernetif *ethernetif = netif->state;
mkersh3 0:e7ca326e76ee 165 struct pbuf *p, *q;
mkersh3 0:e7ca326e76ee 166 u16_t len;
mkersh3 0:e7ca326e76ee 167
mkersh3 0:e7ca326e76ee 168 /* Obtain the size of the packet and put it into the "len"
mkersh3 0:e7ca326e76ee 169 variable. */
mkersh3 0:e7ca326e76ee 170 len = ;
mkersh3 0:e7ca326e76ee 171
mkersh3 0:e7ca326e76ee 172 #if ETH_PAD_SIZE
mkersh3 0:e7ca326e76ee 173 len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
mkersh3 0:e7ca326e76ee 174 #endif
mkersh3 0:e7ca326e76ee 175
mkersh3 0:e7ca326e76ee 176 /* We allocate a pbuf chain of pbufs from the pool. */
mkersh3 0:e7ca326e76ee 177 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
mkersh3 0:e7ca326e76ee 178
mkersh3 0:e7ca326e76ee 179 if (p != NULL) {
mkersh3 0:e7ca326e76ee 180
mkersh3 0:e7ca326e76ee 181 #if ETH_PAD_SIZE
mkersh3 0:e7ca326e76ee 182 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
mkersh3 0:e7ca326e76ee 183 #endif
mkersh3 0:e7ca326e76ee 184
mkersh3 0:e7ca326e76ee 185 /* We iterate over the pbuf chain until we have read the entire
mkersh3 0:e7ca326e76ee 186 * packet into the pbuf. */
mkersh3 0:e7ca326e76ee 187 for(q = p; q != NULL; q = q->next) {
mkersh3 0:e7ca326e76ee 188 /* Read enough bytes to fill this pbuf in the chain. The
mkersh3 0:e7ca326e76ee 189 * available data in the pbuf is given by the q->len
mkersh3 0:e7ca326e76ee 190 * variable.
mkersh3 0:e7ca326e76ee 191 * This does not necessarily have to be a memcpy, you can also preallocate
mkersh3 0:e7ca326e76ee 192 * pbufs for a DMA-enabled MAC and after receiving truncate it to the
mkersh3 0:e7ca326e76ee 193 * actually received size. In this case, ensure the tot_len member of the
mkersh3 0:e7ca326e76ee 194 * pbuf is the sum of the chained pbuf len members.
mkersh3 0:e7ca326e76ee 195 */
mkersh3 0:e7ca326e76ee 196 read data into(q->payload, q->len);
mkersh3 0:e7ca326e76ee 197 }
mkersh3 0:e7ca326e76ee 198 acknowledge that packet has been read();
mkersh3 0:e7ca326e76ee 199
mkersh3 0:e7ca326e76ee 200 #if ETH_PAD_SIZE
mkersh3 0:e7ca326e76ee 201 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
mkersh3 0:e7ca326e76ee 202 #endif
mkersh3 0:e7ca326e76ee 203
mkersh3 0:e7ca326e76ee 204 LINK_STATS_INC(link.recv);
mkersh3 0:e7ca326e76ee 205 } else {
mkersh3 0:e7ca326e76ee 206 drop packet();
mkersh3 0:e7ca326e76ee 207 LINK_STATS_INC(link.memerr);
mkersh3 0:e7ca326e76ee 208 LINK_STATS_INC(link.drop);
mkersh3 0:e7ca326e76ee 209 }
mkersh3 0:e7ca326e76ee 210
mkersh3 0:e7ca326e76ee 211 return p;
mkersh3 0:e7ca326e76ee 212 }
mkersh3 0:e7ca326e76ee 213
mkersh3 0:e7ca326e76ee 214 /**
mkersh3 0:e7ca326e76ee 215 * This function should be called when a packet is ready to be read
mkersh3 0:e7ca326e76ee 216 * from the interface. It uses the function low_level_input() that
mkersh3 0:e7ca326e76ee 217 * should handle the actual reception of bytes from the network
mkersh3 0:e7ca326e76ee 218 * interface. Then the type of the received packet is determined and
mkersh3 0:e7ca326e76ee 219 * the appropriate input function is called.
mkersh3 0:e7ca326e76ee 220 *
mkersh3 0:e7ca326e76ee 221 * @param netif the lwip network interface structure for this ethernetif
mkersh3 0:e7ca326e76ee 222 */
mkersh3 0:e7ca326e76ee 223 static void
mkersh3 0:e7ca326e76ee 224 ethernetif_input(struct netif *netif)
mkersh3 0:e7ca326e76ee 225 {
mkersh3 0:e7ca326e76ee 226 struct ethernetif *ethernetif;
mkersh3 0:e7ca326e76ee 227 struct eth_hdr *ethhdr;
mkersh3 0:e7ca326e76ee 228 struct pbuf *p;
mkersh3 0:e7ca326e76ee 229
mkersh3 0:e7ca326e76ee 230 ethernetif = netif->state;
mkersh3 0:e7ca326e76ee 231
mkersh3 0:e7ca326e76ee 232 /* move received packet into a new pbuf */
mkersh3 0:e7ca326e76ee 233 p = low_level_input(netif);
mkersh3 0:e7ca326e76ee 234 /* no packet could be read, silently ignore this */
mkersh3 0:e7ca326e76ee 235 if (p == NULL) return;
mkersh3 0:e7ca326e76ee 236 /* points to packet payload, which starts with an Ethernet header */
mkersh3 0:e7ca326e76ee 237 ethhdr = p->payload;
mkersh3 0:e7ca326e76ee 238
mkersh3 0:e7ca326e76ee 239 switch (htons(ethhdr->type)) {
mkersh3 0:e7ca326e76ee 240 /* IP or ARP packet? */
mkersh3 0:e7ca326e76ee 241 case ETHTYPE_IP:
mkersh3 0:e7ca326e76ee 242 case ETHTYPE_ARP:
mkersh3 0:e7ca326e76ee 243 #if PPPOE_SUPPORT
mkersh3 0:e7ca326e76ee 244 /* PPPoE packet? */
mkersh3 0:e7ca326e76ee 245 case ETHTYPE_PPPOEDISC:
mkersh3 0:e7ca326e76ee 246 case ETHTYPE_PPPOE:
mkersh3 0:e7ca326e76ee 247 #endif /* PPPOE_SUPPORT */
mkersh3 0:e7ca326e76ee 248 /* full packet send to tcpip_thread to process */
mkersh3 0:e7ca326e76ee 249 if (netif->input(p, netif)!=ERR_OK)
mkersh3 0:e7ca326e76ee 250 { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
mkersh3 0:e7ca326e76ee 251 pbuf_free(p);
mkersh3 0:e7ca326e76ee 252 p = NULL;
mkersh3 0:e7ca326e76ee 253 }
mkersh3 0:e7ca326e76ee 254 break;
mkersh3 0:e7ca326e76ee 255
mkersh3 0:e7ca326e76ee 256 default:
mkersh3 0:e7ca326e76ee 257 pbuf_free(p);
mkersh3 0:e7ca326e76ee 258 p = NULL;
mkersh3 0:e7ca326e76ee 259 break;
mkersh3 0:e7ca326e76ee 260 }
mkersh3 0:e7ca326e76ee 261 }
mkersh3 0:e7ca326e76ee 262
mkersh3 0:e7ca326e76ee 263 /**
mkersh3 0:e7ca326e76ee 264 * Should be called at the beginning of the program to set up the
mkersh3 0:e7ca326e76ee 265 * network interface. It calls the function low_level_init() to do the
mkersh3 0:e7ca326e76ee 266 * actual setup of the hardware.
mkersh3 0:e7ca326e76ee 267 *
mkersh3 0:e7ca326e76ee 268 * This function should be passed as a parameter to netif_add().
mkersh3 0:e7ca326e76ee 269 *
mkersh3 0:e7ca326e76ee 270 * @param netif the lwip network interface structure for this ethernetif
mkersh3 0:e7ca326e76ee 271 * @return ERR_OK if the loopif is initialized
mkersh3 0:e7ca326e76ee 272 * ERR_MEM if private data couldn't be allocated
mkersh3 0:e7ca326e76ee 273 * any other err_t on error
mkersh3 0:e7ca326e76ee 274 */
mkersh3 0:e7ca326e76ee 275 err_t
mkersh3 0:e7ca326e76ee 276 ethernetif_init(struct netif *netif)
mkersh3 0:e7ca326e76ee 277 {
mkersh3 0:e7ca326e76ee 278 struct ethernetif *ethernetif;
mkersh3 0:e7ca326e76ee 279
mkersh3 0:e7ca326e76ee 280 LWIP_ASSERT("netif != NULL", (netif != NULL));
mkersh3 0:e7ca326e76ee 281
mkersh3 0:e7ca326e76ee 282 ethernetif = mem_malloc(sizeof(struct ethernetif));
mkersh3 0:e7ca326e76ee 283 if (ethernetif == NULL) {
mkersh3 0:e7ca326e76ee 284 LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
mkersh3 0:e7ca326e76ee 285 return ERR_MEM;
mkersh3 0:e7ca326e76ee 286 }
mkersh3 0:e7ca326e76ee 287
mkersh3 0:e7ca326e76ee 288 #if LWIP_NETIF_HOSTNAME
mkersh3 0:e7ca326e76ee 289 /* Initialize interface hostname */
mkersh3 0:e7ca326e76ee 290 netif->hostname = "lwip";
mkersh3 0:e7ca326e76ee 291 #endif /* LWIP_NETIF_HOSTNAME */
mkersh3 0:e7ca326e76ee 292
mkersh3 0:e7ca326e76ee 293 /*
mkersh3 0:e7ca326e76ee 294 * Initialize the snmp variables and counters inside the struct netif.
mkersh3 0:e7ca326e76ee 295 * The last argument should be replaced with your link speed, in units
mkersh3 0:e7ca326e76ee 296 * of bits per second.
mkersh3 0:e7ca326e76ee 297 */
mkersh3 0:e7ca326e76ee 298 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
mkersh3 0:e7ca326e76ee 299
mkersh3 0:e7ca326e76ee 300 netif->state = ethernetif;
mkersh3 0:e7ca326e76ee 301 netif->name[0] = IFNAME0;
mkersh3 0:e7ca326e76ee 302 netif->name[1] = IFNAME1;
mkersh3 0:e7ca326e76ee 303 /* We directly use etharp_output() here to save a function call.
mkersh3 0:e7ca326e76ee 304 * You can instead declare your own function an call etharp_output()
mkersh3 0:e7ca326e76ee 305 * from it if you have to do some checks before sending (e.g. if link
mkersh3 0:e7ca326e76ee 306 * is available...) */
mkersh3 0:e7ca326e76ee 307 netif->output = etharp_output;
mkersh3 0:e7ca326e76ee 308 netif->linkoutput = low_level_output;
mkersh3 0:e7ca326e76ee 309
mkersh3 0:e7ca326e76ee 310 ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
mkersh3 0:e7ca326e76ee 311
mkersh3 0:e7ca326e76ee 312 /* initialize the hardware */
mkersh3 0:e7ca326e76ee 313 low_level_init(netif);
mkersh3 0:e7ca326e76ee 314
mkersh3 0:e7ca326e76ee 315 return ERR_OK;
mkersh3 0:e7ca326e76ee 316 }
mkersh3 0:e7ca326e76ee 317
mkersh3 0:e7ca326e76ee 318 #endif /* 0 */