Mike Pulice / ublox_C200Test

Integrating the ublox LISA C200 modem

Fork of SprintUSBModemHTTPClientTest by Donatien Garnier

SprintUSBModem/lwip/netif/ethernetif.c@5:3f93dd1d4cb3, 2013-09-26 (annotated)

Committer:
sam_grove
Date:
Thu Sep 26 00:44:20 2013 -0500
Revision:
5:3f93dd1d4cb3
Exported program and replaced contents of the repo with the source

to build and debug using keil mdk. Libs NOT upto date are lwip, lwip-sys

and socket. these have newer versions under mbed_official but were starting

from a know working point

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 5:3f93dd1d4cb3 1 /**
sam_grove 5:3f93dd1d4cb3 2 * @file
sam_grove 5:3f93dd1d4cb3 3 * Ethernet Interface Skeleton
sam_grove 5:3f93dd1d4cb3 4 *
sam_grove 5:3f93dd1d4cb3 5 */
sam_grove 5:3f93dd1d4cb3 6
sam_grove 5:3f93dd1d4cb3 7 /*
sam_grove 5:3f93dd1d4cb3 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
sam_grove 5:3f93dd1d4cb3 9 * All rights reserved.
sam_grove 5:3f93dd1d4cb3 10 *
sam_grove 5:3f93dd1d4cb3 11 * Redistribution and use in source and binary forms, with or without modification,
sam_grove 5:3f93dd1d4cb3 12 * are permitted provided that the following conditions are met:
sam_grove 5:3f93dd1d4cb3 13 *
sam_grove 5:3f93dd1d4cb3 14 * 1. Redistributions of source code must retain the above copyright notice,
sam_grove 5:3f93dd1d4cb3 15 * this list of conditions and the following disclaimer.
sam_grove 5:3f93dd1d4cb3 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
sam_grove 5:3f93dd1d4cb3 17 * this list of conditions and the following disclaimer in the documentation
sam_grove 5:3f93dd1d4cb3 18 * and/or other materials provided with the distribution.
sam_grove 5:3f93dd1d4cb3 19 * 3. The name of the author may not be used to endorse or promote products
sam_grove 5:3f93dd1d4cb3 20 * derived from this software without specific prior written permission.
sam_grove 5:3f93dd1d4cb3 21 *
sam_grove 5:3f93dd1d4cb3 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
sam_grove 5:3f93dd1d4cb3 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
sam_grove 5:3f93dd1d4cb3 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
sam_grove 5:3f93dd1d4cb3 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
sam_grove 5:3f93dd1d4cb3 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
sam_grove 5:3f93dd1d4cb3 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
sam_grove 5:3f93dd1d4cb3 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
sam_grove 5:3f93dd1d4cb3 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sam_grove 5:3f93dd1d4cb3 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
sam_grove 5:3f93dd1d4cb3 31 * OF SUCH DAMAGE.
sam_grove 5:3f93dd1d4cb3 32 *
sam_grove 5:3f93dd1d4cb3 33 * This file is part of the lwIP TCP/IP stack.
sam_grove 5:3f93dd1d4cb3 34 *
sam_grove 5:3f93dd1d4cb3 35 * Author: Adam Dunkels <adam@sics.se>
sam_grove 5:3f93dd1d4cb3 36 *
sam_grove 5:3f93dd1d4cb3 37 */
sam_grove 5:3f93dd1d4cb3 38
sam_grove 5:3f93dd1d4cb3 39 /*
sam_grove 5:3f93dd1d4cb3 40 * This file is a skeleton for developing Ethernet network interface
sam_grove 5:3f93dd1d4cb3 41 * drivers for lwIP. Add code to the low_level functions and do a
sam_grove 5:3f93dd1d4cb3 42 * search-and-replace for the word "ethernetif" to replace it with
sam_grove 5:3f93dd1d4cb3 43 * something that better describes your network interface.
sam_grove 5:3f93dd1d4cb3 44 */
sam_grove 5:3f93dd1d4cb3 45
sam_grove 5:3f93dd1d4cb3 46 #include "lwip/opt.h"
sam_grove 5:3f93dd1d4cb3 47
sam_grove 5:3f93dd1d4cb3 48 #if 0 /* don't build, this is only a skeleton, see previous comment */
sam_grove 5:3f93dd1d4cb3 49
sam_grove 5:3f93dd1d4cb3 50 #include "lwip/def.h"
sam_grove 5:3f93dd1d4cb3 51 #include "lwip/mem.h"
sam_grove 5:3f93dd1d4cb3 52 #include "lwip/pbuf.h"
sam_grove 5:3f93dd1d4cb3 53 #include "lwip/sys.h"
sam_grove 5:3f93dd1d4cb3 54 #include <lwip/stats.h>
sam_grove 5:3f93dd1d4cb3 55 #include <lwip/snmp.h>
sam_grove 5:3f93dd1d4cb3 56 #include "netif/etharp.h"
sam_grove 5:3f93dd1d4cb3 57 #include "netif/ppp_oe.h"
sam_grove 5:3f93dd1d4cb3 58
sam_grove 5:3f93dd1d4cb3 59 /* Define those to better describe your network interface. */
sam_grove 5:3f93dd1d4cb3 60 #define IFNAME0 'e'
sam_grove 5:3f93dd1d4cb3 61 #define IFNAME1 'n'
sam_grove 5:3f93dd1d4cb3 62
sam_grove 5:3f93dd1d4cb3 63 /**
sam_grove 5:3f93dd1d4cb3 64 * Helper struct to hold private data used to operate your ethernet interface.
sam_grove 5:3f93dd1d4cb3 65 * Keeping the ethernet address of the MAC in this struct is not necessary
sam_grove 5:3f93dd1d4cb3 66 * as it is already kept in the struct netif.
sam_grove 5:3f93dd1d4cb3 67 * But this is only an example, anyway...
sam_grove 5:3f93dd1d4cb3 68 */
sam_grove 5:3f93dd1d4cb3 69 struct ethernetif {
sam_grove 5:3f93dd1d4cb3 70 struct eth_addr *ethaddr;
sam_grove 5:3f93dd1d4cb3 71 /* Add whatever per-interface state that is needed here. */
sam_grove 5:3f93dd1d4cb3 72 };
sam_grove 5:3f93dd1d4cb3 73
sam_grove 5:3f93dd1d4cb3 74 /* Forward declarations. */
sam_grove 5:3f93dd1d4cb3 75 static void ethernetif_input(struct netif *netif);
sam_grove 5:3f93dd1d4cb3 76
sam_grove 5:3f93dd1d4cb3 77 /**
sam_grove 5:3f93dd1d4cb3 78 * In this function, the hardware should be initialized.
sam_grove 5:3f93dd1d4cb3 79 * Called from ethernetif_init().
sam_grove 5:3f93dd1d4cb3 80 *
sam_grove 5:3f93dd1d4cb3 81 * @param netif the already initialized lwip network interface structure
sam_grove 5:3f93dd1d4cb3 82 * for this ethernetif
sam_grove 5:3f93dd1d4cb3 83 */
sam_grove 5:3f93dd1d4cb3 84 static void
sam_grove 5:3f93dd1d4cb3 85 low_level_init(struct netif *netif)
sam_grove 5:3f93dd1d4cb3 86 {
sam_grove 5:3f93dd1d4cb3 87 struct ethernetif *ethernetif = netif->state;
sam_grove 5:3f93dd1d4cb3 88
sam_grove 5:3f93dd1d4cb3 89 /* set MAC hardware address length */
sam_grove 5:3f93dd1d4cb3 90 netif->hwaddr_len = ETHARP_HWADDR_LEN;
sam_grove 5:3f93dd1d4cb3 91
sam_grove 5:3f93dd1d4cb3 92 /* set MAC hardware address */
sam_grove 5:3f93dd1d4cb3 93 netif->hwaddr[0] = ;
sam_grove 5:3f93dd1d4cb3 94 ...
sam_grove 5:3f93dd1d4cb3 95 netif->hwaddr[5] = ;
sam_grove 5:3f93dd1d4cb3 96
sam_grove 5:3f93dd1d4cb3 97 /* maximum transfer unit */
sam_grove 5:3f93dd1d4cb3 98 netif->mtu = 1500;
sam_grove 5:3f93dd1d4cb3 99
sam_grove 5:3f93dd1d4cb3 100 /* device capabilities */
sam_grove 5:3f93dd1d4cb3 101 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
sam_grove 5:3f93dd1d4cb3 102 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
sam_grove 5:3f93dd1d4cb3 103
sam_grove 5:3f93dd1d4cb3 104 /* Do whatever else is needed to initialize interface. */
sam_grove 5:3f93dd1d4cb3 105 }
sam_grove 5:3f93dd1d4cb3 106
sam_grove 5:3f93dd1d4cb3 107 /**
sam_grove 5:3f93dd1d4cb3 108 * This function should do the actual transmission of the packet. The packet is
sam_grove 5:3f93dd1d4cb3 109 * contained in the pbuf that is passed to the function. This pbuf
sam_grove 5:3f93dd1d4cb3 110 * might be chained.
sam_grove 5:3f93dd1d4cb3 111 *
sam_grove 5:3f93dd1d4cb3 112 * @param netif the lwip network interface structure for this ethernetif
sam_grove 5:3f93dd1d4cb3 113 * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
sam_grove 5:3f93dd1d4cb3 114 * @return ERR_OK if the packet could be sent
sam_grove 5:3f93dd1d4cb3 115 * an err_t value if the packet couldn't be sent
sam_grove 5:3f93dd1d4cb3 116 *
sam_grove 5:3f93dd1d4cb3 117 * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
sam_grove 5:3f93dd1d4cb3 118 * strange results. You might consider waiting for space in the DMA queue
sam_grove 5:3f93dd1d4cb3 119 * to become availale since the stack doesn't retry to send a packet
sam_grove 5:3f93dd1d4cb3 120 * dropped because of memory failure (except for the TCP timers).
sam_grove 5:3f93dd1d4cb3 121 */
sam_grove 5:3f93dd1d4cb3 122
sam_grove 5:3f93dd1d4cb3 123 static err_t
sam_grove 5:3f93dd1d4cb3 124 low_level_output(struct netif *netif, struct pbuf *p)
sam_grove 5:3f93dd1d4cb3 125 {
sam_grove 5:3f93dd1d4cb3 126 struct ethernetif *ethernetif = netif->state;
sam_grove 5:3f93dd1d4cb3 127 struct pbuf *q;
sam_grove 5:3f93dd1d4cb3 128
sam_grove 5:3f93dd1d4cb3 129 initiate transfer();
sam_grove 5:3f93dd1d4cb3 130
sam_grove 5:3f93dd1d4cb3 131 #if ETH_PAD_SIZE
sam_grove 5:3f93dd1d4cb3 132 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
sam_grove 5:3f93dd1d4cb3 133 #endif
sam_grove 5:3f93dd1d4cb3 134
sam_grove 5:3f93dd1d4cb3 135 for(q = p; q != NULL; q = q->next) {
sam_grove 5:3f93dd1d4cb3 136 /* Send the data from the pbuf to the interface, one pbuf at a
sam_grove 5:3f93dd1d4cb3 137 time. The size of the data in each pbuf is kept in the ->len
sam_grove 5:3f93dd1d4cb3 138 variable. */
sam_grove 5:3f93dd1d4cb3 139 send data from(q->payload, q->len);
sam_grove 5:3f93dd1d4cb3 140 }
sam_grove 5:3f93dd1d4cb3 141
sam_grove 5:3f93dd1d4cb3 142 signal that packet should be sent();
sam_grove 5:3f93dd1d4cb3 143
sam_grove 5:3f93dd1d4cb3 144 #if ETH_PAD_SIZE
sam_grove 5:3f93dd1d4cb3 145 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
sam_grove 5:3f93dd1d4cb3 146 #endif
sam_grove 5:3f93dd1d4cb3 147
sam_grove 5:3f93dd1d4cb3 148 LINK_STATS_INC(link.xmit);
sam_grove 5:3f93dd1d4cb3 149
sam_grove 5:3f93dd1d4cb3 150 return ERR_OK;
sam_grove 5:3f93dd1d4cb3 151 }
sam_grove 5:3f93dd1d4cb3 152
sam_grove 5:3f93dd1d4cb3 153 /**
sam_grove 5:3f93dd1d4cb3 154 * Should allocate a pbuf and transfer the bytes of the incoming
sam_grove 5:3f93dd1d4cb3 155 * packet from the interface into the pbuf.
sam_grove 5:3f93dd1d4cb3 156 *
sam_grove 5:3f93dd1d4cb3 157 * @param netif the lwip network interface structure for this ethernetif
sam_grove 5:3f93dd1d4cb3 158 * @return a pbuf filled with the received packet (including MAC header)
sam_grove 5:3f93dd1d4cb3 159 * NULL on memory error
sam_grove 5:3f93dd1d4cb3 160 */
sam_grove 5:3f93dd1d4cb3 161 static struct pbuf *
sam_grove 5:3f93dd1d4cb3 162 low_level_input(struct netif *netif)
sam_grove 5:3f93dd1d4cb3 163 {
sam_grove 5:3f93dd1d4cb3 164 struct ethernetif *ethernetif = netif->state;
sam_grove 5:3f93dd1d4cb3 165 struct pbuf *p, *q;
sam_grove 5:3f93dd1d4cb3 166 u16_t len;
sam_grove 5:3f93dd1d4cb3 167
sam_grove 5:3f93dd1d4cb3 168 /* Obtain the size of the packet and put it into the "len"
sam_grove 5:3f93dd1d4cb3 169 variable. */
sam_grove 5:3f93dd1d4cb3 170 len = ;
sam_grove 5:3f93dd1d4cb3 171
sam_grove 5:3f93dd1d4cb3 172 #if ETH_PAD_SIZE
sam_grove 5:3f93dd1d4cb3 173 len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
sam_grove 5:3f93dd1d4cb3 174 #endif
sam_grove 5:3f93dd1d4cb3 175
sam_grove 5:3f93dd1d4cb3 176 /* We allocate a pbuf chain of pbufs from the pool. */
sam_grove 5:3f93dd1d4cb3 177 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
sam_grove 5:3f93dd1d4cb3 178
sam_grove 5:3f93dd1d4cb3 179 if (p != NULL) {
sam_grove 5:3f93dd1d4cb3 180
sam_grove 5:3f93dd1d4cb3 181 #if ETH_PAD_SIZE
sam_grove 5:3f93dd1d4cb3 182 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
sam_grove 5:3f93dd1d4cb3 183 #endif
sam_grove 5:3f93dd1d4cb3 184
sam_grove 5:3f93dd1d4cb3 185 /* We iterate over the pbuf chain until we have read the entire
sam_grove 5:3f93dd1d4cb3 186 * packet into the pbuf. */
sam_grove 5:3f93dd1d4cb3 187 for(q = p; q != NULL; q = q->next) {
sam_grove 5:3f93dd1d4cb3 188 /* Read enough bytes to fill this pbuf in the chain. The
sam_grove 5:3f93dd1d4cb3 189 * available data in the pbuf is given by the q->len
sam_grove 5:3f93dd1d4cb3 190 * variable.
sam_grove 5:3f93dd1d4cb3 191 * This does not necessarily have to be a memcpy, you can also preallocate
sam_grove 5:3f93dd1d4cb3 192 * pbufs for a DMA-enabled MAC and after receiving truncate it to the
sam_grove 5:3f93dd1d4cb3 193 * actually received size. In this case, ensure the tot_len member of the
sam_grove 5:3f93dd1d4cb3 194 * pbuf is the sum of the chained pbuf len members.
sam_grove 5:3f93dd1d4cb3 195 */
sam_grove 5:3f93dd1d4cb3 196 read data into(q->payload, q->len);
sam_grove 5:3f93dd1d4cb3 197 }
sam_grove 5:3f93dd1d4cb3 198 acknowledge that packet has been read();
sam_grove 5:3f93dd1d4cb3 199
sam_grove 5:3f93dd1d4cb3 200 #if ETH_PAD_SIZE
sam_grove 5:3f93dd1d4cb3 201 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
sam_grove 5:3f93dd1d4cb3 202 #endif
sam_grove 5:3f93dd1d4cb3 203
sam_grove 5:3f93dd1d4cb3 204 LINK_STATS_INC(link.recv);
sam_grove 5:3f93dd1d4cb3 205 } else {
sam_grove 5:3f93dd1d4cb3 206 drop packet();
sam_grove 5:3f93dd1d4cb3 207 LINK_STATS_INC(link.memerr);
sam_grove 5:3f93dd1d4cb3 208 LINK_STATS_INC(link.drop);
sam_grove 5:3f93dd1d4cb3 209 }
sam_grove 5:3f93dd1d4cb3 210
sam_grove 5:3f93dd1d4cb3 211 return p;
sam_grove 5:3f93dd1d4cb3 212 }
sam_grove 5:3f93dd1d4cb3 213
sam_grove 5:3f93dd1d4cb3 214 /**
sam_grove 5:3f93dd1d4cb3 215 * This function should be called when a packet is ready to be read
sam_grove 5:3f93dd1d4cb3 216 * from the interface. It uses the function low_level_input() that
sam_grove 5:3f93dd1d4cb3 217 * should handle the actual reception of bytes from the network
sam_grove 5:3f93dd1d4cb3 218 * interface. Then the type of the received packet is determined and
sam_grove 5:3f93dd1d4cb3 219 * the appropriate input function is called.
sam_grove 5:3f93dd1d4cb3 220 *
sam_grove 5:3f93dd1d4cb3 221 * @param netif the lwip network interface structure for this ethernetif
sam_grove 5:3f93dd1d4cb3 222 */
sam_grove 5:3f93dd1d4cb3 223 static void
sam_grove 5:3f93dd1d4cb3 224 ethernetif_input(struct netif *netif)
sam_grove 5:3f93dd1d4cb3 225 {
sam_grove 5:3f93dd1d4cb3 226 struct ethernetif *ethernetif;
sam_grove 5:3f93dd1d4cb3 227 struct eth_hdr *ethhdr;
sam_grove 5:3f93dd1d4cb3 228 struct pbuf *p;
sam_grove 5:3f93dd1d4cb3 229
sam_grove 5:3f93dd1d4cb3 230 ethernetif = netif->state;
sam_grove 5:3f93dd1d4cb3 231
sam_grove 5:3f93dd1d4cb3 232 /* move received packet into a new pbuf */
sam_grove 5:3f93dd1d4cb3 233 p = low_level_input(netif);
sam_grove 5:3f93dd1d4cb3 234 /* no packet could be read, silently ignore this */
sam_grove 5:3f93dd1d4cb3 235 if (p == NULL) return;
sam_grove 5:3f93dd1d4cb3 236 /* points to packet payload, which starts with an Ethernet header */
sam_grove 5:3f93dd1d4cb3 237 ethhdr = p->payload;
sam_grove 5:3f93dd1d4cb3 238
sam_grove 5:3f93dd1d4cb3 239 switch (htons(ethhdr->type)) {
sam_grove 5:3f93dd1d4cb3 240 /* IP or ARP packet? */
sam_grove 5:3f93dd1d4cb3 241 case ETHTYPE_IP:
sam_grove 5:3f93dd1d4cb3 242 case ETHTYPE_ARP:
sam_grove 5:3f93dd1d4cb3 243 #if PPPOE_SUPPORT
sam_grove 5:3f93dd1d4cb3 244 /* PPPoE packet? */
sam_grove 5:3f93dd1d4cb3 245 case ETHTYPE_PPPOEDISC:
sam_grove 5:3f93dd1d4cb3 246 case ETHTYPE_PPPOE:
sam_grove 5:3f93dd1d4cb3 247 #endif /* PPPOE_SUPPORT */
sam_grove 5:3f93dd1d4cb3 248 /* full packet send to tcpip_thread to process */
sam_grove 5:3f93dd1d4cb3 249 if (netif->input(p, netif)!=ERR_OK)
sam_grove 5:3f93dd1d4cb3 250 { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
sam_grove 5:3f93dd1d4cb3 251 pbuf_free(p);
sam_grove 5:3f93dd1d4cb3 252 p = NULL;
sam_grove 5:3f93dd1d4cb3 253 }
sam_grove 5:3f93dd1d4cb3 254 break;
sam_grove 5:3f93dd1d4cb3 255
sam_grove 5:3f93dd1d4cb3 256 default:
sam_grove 5:3f93dd1d4cb3 257 pbuf_free(p);
sam_grove 5:3f93dd1d4cb3 258 p = NULL;
sam_grove 5:3f93dd1d4cb3 259 break;
sam_grove 5:3f93dd1d4cb3 260 }
sam_grove 5:3f93dd1d4cb3 261 }
sam_grove 5:3f93dd1d4cb3 262
sam_grove 5:3f93dd1d4cb3 263 /**
sam_grove 5:3f93dd1d4cb3 264 * Should be called at the beginning of the program to set up the
sam_grove 5:3f93dd1d4cb3 265 * network interface. It calls the function low_level_init() to do the
sam_grove 5:3f93dd1d4cb3 266 * actual setup of the hardware.
sam_grove 5:3f93dd1d4cb3 267 *
sam_grove 5:3f93dd1d4cb3 268 * This function should be passed as a parameter to netif_add().
sam_grove 5:3f93dd1d4cb3 269 *
sam_grove 5:3f93dd1d4cb3 270 * @param netif the lwip network interface structure for this ethernetif
sam_grove 5:3f93dd1d4cb3 271 * @return ERR_OK if the loopif is initialized
sam_grove 5:3f93dd1d4cb3 272 * ERR_MEM if private data couldn't be allocated
sam_grove 5:3f93dd1d4cb3 273 * any other err_t on error
sam_grove 5:3f93dd1d4cb3 274 */
sam_grove 5:3f93dd1d4cb3 275 err_t
sam_grove 5:3f93dd1d4cb3 276 ethernetif_init(struct netif *netif)
sam_grove 5:3f93dd1d4cb3 277 {
sam_grove 5:3f93dd1d4cb3 278 struct ethernetif *ethernetif;
sam_grove 5:3f93dd1d4cb3 279
sam_grove 5:3f93dd1d4cb3 280 LWIP_ASSERT("netif != NULL", (netif != NULL));
sam_grove 5:3f93dd1d4cb3 281
sam_grove 5:3f93dd1d4cb3 282 ethernetif = mem_malloc(sizeof(struct ethernetif));
sam_grove 5:3f93dd1d4cb3 283 if (ethernetif == NULL) {
sam_grove 5:3f93dd1d4cb3 284 LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
sam_grove 5:3f93dd1d4cb3 285 return ERR_MEM;
sam_grove 5:3f93dd1d4cb3 286 }
sam_grove 5:3f93dd1d4cb3 287
sam_grove 5:3f93dd1d4cb3 288 #if LWIP_NETIF_HOSTNAME
sam_grove 5:3f93dd1d4cb3 289 /* Initialize interface hostname */
sam_grove 5:3f93dd1d4cb3 290 netif->hostname = "lwip";
sam_grove 5:3f93dd1d4cb3 291 #endif /* LWIP_NETIF_HOSTNAME */
sam_grove 5:3f93dd1d4cb3 292
sam_grove 5:3f93dd1d4cb3 293 /*
sam_grove 5:3f93dd1d4cb3 294 * Initialize the snmp variables and counters inside the struct netif.
sam_grove 5:3f93dd1d4cb3 295 * The last argument should be replaced with your link speed, in units
sam_grove 5:3f93dd1d4cb3 296 * of bits per second.
sam_grove 5:3f93dd1d4cb3 297 */
sam_grove 5:3f93dd1d4cb3 298 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
sam_grove 5:3f93dd1d4cb3 299
sam_grove 5:3f93dd1d4cb3 300 netif->state = ethernetif;
sam_grove 5:3f93dd1d4cb3 301 netif->name[0] = IFNAME0;
sam_grove 5:3f93dd1d4cb3 302 netif->name[1] = IFNAME1;
sam_grove 5:3f93dd1d4cb3 303 /* We directly use etharp_output() here to save a function call.
sam_grove 5:3f93dd1d4cb3 304 * You can instead declare your own function an call etharp_output()
sam_grove 5:3f93dd1d4cb3 305 * from it if you have to do some checks before sending (e.g. if link
sam_grove 5:3f93dd1d4cb3 306 * is available...) */
sam_grove 5:3f93dd1d4cb3 307 netif->output = etharp_output;
sam_grove 5:3f93dd1d4cb3 308 netif->linkoutput = low_level_output;
sam_grove 5:3f93dd1d4cb3 309
sam_grove 5:3f93dd1d4cb3 310 ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
sam_grove 5:3f93dd1d4cb3 311
sam_grove 5:3f93dd1d4cb3 312 /* initialize the hardware */
sam_grove 5:3f93dd1d4cb3 313 low_level_init(netif);
sam_grove 5:3f93dd1d4cb3 314
sam_grove 5:3f93dd1d4cb3 315 return ERR_OK;
sam_grove 5:3f93dd1d4cb3 316 }
sam_grove 5:3f93dd1d4cb3 317
sam_grove 5:3f93dd1d4cb3 318 #endif /* 0 */