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Dependencies:   NTPClient_NetServices mbed

NetServices/drv/eth/eth_drv.cpp@0:05ccbd4f84f1, 2013-12-02 (annotated)

Committer:
hendrikvincent
Date:
Mon Dec 02 09:01:23 2013 +0000
Revision:
0:05ccbd4f84f1
eerste programma;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hendrikvincent 0:05ccbd4f84f1 1
hendrikvincent 0:05ccbd4f84f1 2 /*
hendrikvincent 0:05ccbd4f84f1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
hendrikvincent 0:05ccbd4f84f1 4
hendrikvincent 0:05ccbd4f84f1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
hendrikvincent 0:05ccbd4f84f1 6 of this software and associated documentation files (the "Software"), to deal
hendrikvincent 0:05ccbd4f84f1 7 in the Software without restriction, including without limitation the rights
hendrikvincent 0:05ccbd4f84f1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
hendrikvincent 0:05ccbd4f84f1 9 copies of the Software, and to permit persons to whom the Software is
hendrikvincent 0:05ccbd4f84f1 10 furnished to do so, subject to the following conditions:
hendrikvincent 0:05ccbd4f84f1 11
hendrikvincent 0:05ccbd4f84f1 12 The above copyright notice and this permission notice shall be included in
hendrikvincent 0:05ccbd4f84f1 13 all copies or substantial portions of the Software.
hendrikvincent 0:05ccbd4f84f1 14
hendrikvincent 0:05ccbd4f84f1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
hendrikvincent 0:05ccbd4f84f1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
hendrikvincent 0:05ccbd4f84f1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
hendrikvincent 0:05ccbd4f84f1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
hendrikvincent 0:05ccbd4f84f1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
hendrikvincent 0:05ccbd4f84f1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
hendrikvincent 0:05ccbd4f84f1 21 THE SOFTWARE.
hendrikvincent 0:05ccbd4f84f1 22 */
hendrikvincent 0:05ccbd4f84f1 23
hendrikvincent 0:05ccbd4f84f1 24 #include "netCfg.h"
hendrikvincent 0:05ccbd4f84f1 25 #if NET_ETH
hendrikvincent 0:05ccbd4f84f1 26
hendrikvincent 0:05ccbd4f84f1 27 #include "mbed.h"
hendrikvincent 0:05ccbd4f84f1 28
hendrikvincent 0:05ccbd4f84f1 29 Ethernet *pEth = NULL;
hendrikvincent 0:05ccbd4f84f1 30 #ifdef __cplusplus
hendrikvincent 0:05ccbd4f84f1 31 extern "C" {
hendrikvincent 0:05ccbd4f84f1 32 #endif
hendrikvincent 0:05ccbd4f84f1 33
hendrikvincent 0:05ccbd4f84f1 34 #include "lwip/opt.h"
hendrikvincent 0:05ccbd4f84f1 35
hendrikvincent 0:05ccbd4f84f1 36 #include "lwip/def.h"
hendrikvincent 0:05ccbd4f84f1 37 #include "lwip/pbuf.h"
hendrikvincent 0:05ccbd4f84f1 38 #include "lwip/sys.h"
hendrikvincent 0:05ccbd4f84f1 39 #include "lwip/stats.h"
hendrikvincent 0:05ccbd4f84f1 40 #include "netif/etharp.h"
hendrikvincent 0:05ccbd4f84f1 41 #include "string.h"
hendrikvincent 0:05ccbd4f84f1 42
hendrikvincent 0:05ccbd4f84f1 43 //#include "eth_drv.h"
hendrikvincent 0:05ccbd4f84f1 44
hendrikvincent 0:05ccbd4f84f1 45 #define IFNAME0 'E'
hendrikvincent 0:05ccbd4f84f1 46 #define IFNAME1 'X'
hendrikvincent 0:05ccbd4f84f1 47
hendrikvincent 0:05ccbd4f84f1 48 #define min(x,y) (((x)<(y))?(x):(y))
hendrikvincent 0:05ccbd4f84f1 49
hendrikvincent 0:05ccbd4f84f1 50 struct netif* eth_netif;
hendrikvincent 0:05ccbd4f84f1 51
hendrikvincent 0:05ccbd4f84f1 52 static err_t eth_output(struct netif *netif, struct pbuf *p) {
hendrikvincent 0:05ccbd4f84f1 53 #if ETH_PAD_SIZE
hendrikvincent 0:05ccbd4f84f1 54 pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
hendrikvincent 0:05ccbd4f84f1 55 #endif
hendrikvincent 0:05ccbd4f84f1 56
hendrikvincent 0:05ccbd4f84f1 57 do {
hendrikvincent 0:05ccbd4f84f1 58 pEth->write((const char *)p->payload, p->len);
hendrikvincent 0:05ccbd4f84f1 59 } while((p = p->next)!=NULL);
hendrikvincent 0:05ccbd4f84f1 60
hendrikvincent 0:05ccbd4f84f1 61 pEth->send();
hendrikvincent 0:05ccbd4f84f1 62
hendrikvincent 0:05ccbd4f84f1 63 #if ETH_PAD_SIZE
hendrikvincent 0:05ccbd4f84f1 64 pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
hendrikvincent 0:05ccbd4f84f1 65 #endif
hendrikvincent 0:05ccbd4f84f1 66
hendrikvincent 0:05ccbd4f84f1 67 LINK_STATS_INC(link.xmit);
hendrikvincent 0:05ccbd4f84f1 68 return ERR_OK;
hendrikvincent 0:05ccbd4f84f1 69 }
hendrikvincent 0:05ccbd4f84f1 70
hendrikvincent 0:05ccbd4f84f1 71 /*
hendrikvincent 0:05ccbd4f84f1 72 void show(char *buf, int size) {
hendrikvincent 0:05ccbd4f84f1 73 printf("Destination: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
hendrikvincent 0:05ccbd4f84f1 74 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
hendrikvincent 0:05ccbd4f84f1 75 printf("Source: %02hx:%02hx:%02hx:%02hx:%02hx:%02hx\n",
hendrikvincent 0:05ccbd4f84f1 76 buf[6], buf[7], buf[8], buf[9], buf[10], buf[11]);
hendrikvincent 0:05ccbd4f84f1 77
hendrikvincent 0:05ccbd4f84f1 78 printf("Type %hd\n", htons((short)buf[12]));
hendrikvincent 0:05ccbd4f84f1 79
hendrikvincent 0:05ccbd4f84f1 80 // hexview(buf, size);
hendrikvincent 0:05ccbd4f84f1 81 }
hendrikvincent 0:05ccbd4f84f1 82 */
hendrikvincent 0:05ccbd4f84f1 83
hendrikvincent 0:05ccbd4f84f1 84 void eth_poll() {
hendrikvincent 0:05ccbd4f84f1 85 struct eth_hdr *ethhdr;
hendrikvincent 0:05ccbd4f84f1 86 struct pbuf *frame, *p;
hendrikvincent 0:05ccbd4f84f1 87 int len, read;
hendrikvincent 0:05ccbd4f84f1 88
hendrikvincent 0:05ccbd4f84f1 89 while((len = pEth->receive()) != 0) {
hendrikvincent 0:05ccbd4f84f1 90 frame = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
hendrikvincent 0:05ccbd4f84f1 91 if(frame == NULL) {
hendrikvincent 0:05ccbd4f84f1 92 return;
hendrikvincent 0:05ccbd4f84f1 93 }
hendrikvincent 0:05ccbd4f84f1 94 p = frame;
hendrikvincent 0:05ccbd4f84f1 95 /* no packet could be read, silently ignore this */
hendrikvincent 0:05ccbd4f84f1 96 if (p == NULL) return;
hendrikvincent 0:05ccbd4f84f1 97 do {
hendrikvincent 0:05ccbd4f84f1 98 read = pEth->read((char *)p->payload, p->len);
hendrikvincent 0:05ccbd4f84f1 99 p = p->next;
hendrikvincent 0:05ccbd4f84f1 100 } while(p != NULL && read != 0);
hendrikvincent 0:05ccbd4f84f1 101
hendrikvincent 0:05ccbd4f84f1 102 #if ETH_PAD_SIZE
hendrikvincent 0:05ccbd4f84f1 103 pbuf_header(p, ETH_PAD_SIZE);
hendrikvincent 0:05ccbd4f84f1 104 #endif
hendrikvincent 0:05ccbd4f84f1 105
hendrikvincent 0:05ccbd4f84f1 106 ethhdr = (struct eth_hdr *)(frame->payload);
hendrikvincent 0:05ccbd4f84f1 107
hendrikvincent 0:05ccbd4f84f1 108 // show((char*)ethhdr, 13);
hendrikvincent 0:05ccbd4f84f1 109
hendrikvincent 0:05ccbd4f84f1 110 /*
hendrikvincent 0:05ccbd4f84f1 111 switch(htons(ethhdr->type)) {
hendrikvincent 0:05ccbd4f84f1 112
hendrikvincent 0:05ccbd4f84f1 113 case ETHTYPE_IP:
hendrikvincent 0:05ccbd4f84f1 114 etharp_ip_input(gnetif, frame);
hendrikvincent 0:05ccbd4f84f1 115 pbuf_header(frame, -((s16_t) sizeof(struct eth_hdr)));
hendrikvincent 0:05ccbd4f84f1 116 gnetif->input(frame, gnetif);
hendrikvincent 0:05ccbd4f84f1 117 break;
hendrikvincent 0:05ccbd4f84f1 118
hendrikvincent 0:05ccbd4f84f1 119 case ETHTYPE_ARP:
hendrikvincent 0:05ccbd4f84f1 120 etharp_arp_input(gnetif, (struct eth_addr *)(gnetif->hwaddr), frame);
hendrikvincent 0:05ccbd4f84f1 121 break;
hendrikvincent 0:05ccbd4f84f1 122
hendrikvincent 0:05ccbd4f84f1 123 default:
hendrikvincent 0:05ccbd4f84f1 124 break;
hendrikvincent 0:05ccbd4f84f1 125 }*/
hendrikvincent 0:05ccbd4f84f1 126
hendrikvincent 0:05ccbd4f84f1 127
hendrikvincent 0:05ccbd4f84f1 128
hendrikvincent 0:05ccbd4f84f1 129 //ethernet_input(frame, gnetif);
hendrikvincent 0:05ccbd4f84f1 130
hendrikvincent 0:05ccbd4f84f1 131 switch (htons(ethhdr->type)) {
hendrikvincent 0:05ccbd4f84f1 132 /* IP or ARP packet? */
hendrikvincent 0:05ccbd4f84f1 133 case ETHTYPE_IP:
hendrikvincent 0:05ccbd4f84f1 134 case ETHTYPE_ARP:
hendrikvincent 0:05ccbd4f84f1 135 #if PPPOE_SUPPORT
hendrikvincent 0:05ccbd4f84f1 136 /* PPPoE packet? */
hendrikvincent 0:05ccbd4f84f1 137 case ETHTYPE_PPPOEDISC:
hendrikvincent 0:05ccbd4f84f1 138 case ETHTYPE_PPPOE:
hendrikvincent 0:05ccbd4f84f1 139 #endif /* PPPOE_SUPPORT */
hendrikvincent 0:05ccbd4f84f1 140 /* full packet send to tcpip_thread to process */
hendrikvincent 0:05ccbd4f84f1 141 //if (netif->input(p, gnetif)!=ERR_OK)
hendrikvincent 0:05ccbd4f84f1 142 if (ethernet_input(frame, eth_netif)!=ERR_OK)
hendrikvincent 0:05ccbd4f84f1 143 { LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
hendrikvincent 0:05ccbd4f84f1 144 pbuf_free(frame);
hendrikvincent 0:05ccbd4f84f1 145 frame = NULL;
hendrikvincent 0:05ccbd4f84f1 146 }
hendrikvincent 0:05ccbd4f84f1 147 break;
hendrikvincent 0:05ccbd4f84f1 148
hendrikvincent 0:05ccbd4f84f1 149 default:
hendrikvincent 0:05ccbd4f84f1 150 pbuf_free(frame);
hendrikvincent 0:05ccbd4f84f1 151 frame = NULL;
hendrikvincent 0:05ccbd4f84f1 152 break;
hendrikvincent 0:05ccbd4f84f1 153 }
hendrikvincent 0:05ccbd4f84f1 154
hendrikvincent 0:05ccbd4f84f1 155 /* pbuf_free(frame); */
hendrikvincent 0:05ccbd4f84f1 156 }
hendrikvincent 0:05ccbd4f84f1 157
hendrikvincent 0:05ccbd4f84f1 158
hendrikvincent 0:05ccbd4f84f1 159
hendrikvincent 0:05ccbd4f84f1 160
hendrikvincent 0:05ccbd4f84f1 161 }
hendrikvincent 0:05ccbd4f84f1 162
hendrikvincent 0:05ccbd4f84f1 163 err_t eth_init(struct netif *netif) {
hendrikvincent 0:05ccbd4f84f1 164 LWIP_ASSERT("netif != NULL", (netif != NULL));
hendrikvincent 0:05ccbd4f84f1 165
hendrikvincent 0:05ccbd4f84f1 166 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 0x2EA);
hendrikvincent 0:05ccbd4f84f1 167
hendrikvincent 0:05ccbd4f84f1 168 /* maximum transfer unit */
hendrikvincent 0:05ccbd4f84f1 169 netif->mtu = 0x2EA;
hendrikvincent 0:05ccbd4f84f1 170
hendrikvincent 0:05ccbd4f84f1 171 /* device capabilities */
hendrikvincent 0:05ccbd4f84f1 172 /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
hendrikvincent 0:05ccbd4f84f1 173 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_IGMP;
hendrikvincent 0:05ccbd4f84f1 174
hendrikvincent 0:05ccbd4f84f1 175 netif->state = NULL;
hendrikvincent 0:05ccbd4f84f1 176 eth_netif = netif;
hendrikvincent 0:05ccbd4f84f1 177
hendrikvincent 0:05ccbd4f84f1 178 netif->name[0] = IFNAME0;
hendrikvincent 0:05ccbd4f84f1 179 netif->name[1] = IFNAME1;
hendrikvincent 0:05ccbd4f84f1 180
hendrikvincent 0:05ccbd4f84f1 181 /* We directly use etharp_output() here to save a function call.
hendrikvincent 0:05ccbd4f84f1 182 * You can instead declare your own function an call etharp_output()
hendrikvincent 0:05ccbd4f84f1 183 * from it if you have to do some checks before sending (e.g. if link
hendrikvincent 0:05ccbd4f84f1 184 * is available...) */
hendrikvincent 0:05ccbd4f84f1 185 netif->output = etharp_output;
hendrikvincent 0:05ccbd4f84f1 186 netif->linkoutput = eth_output;
hendrikvincent 0:05ccbd4f84f1 187
hendrikvincent 0:05ccbd4f84f1 188 if (!pEth) pEth = new Ethernet(); // only create Ethernet object if required
hendrikvincent 0:05ccbd4f84f1 189
hendrikvincent 0:05ccbd4f84f1 190 return ERR_OK;
hendrikvincent 0:05ccbd4f84f1 191 }
hendrikvincent 0:05ccbd4f84f1 192
hendrikvincent 0:05ccbd4f84f1 193 void eth_free()
hendrikvincent 0:05ccbd4f84f1 194 {
hendrikvincent 0:05ccbd4f84f1 195 if(pEth)
hendrikvincent 0:05ccbd4f84f1 196 delete pEth;
hendrikvincent 0:05ccbd4f84f1 197 pEth = NULL;
hendrikvincent 0:05ccbd4f84f1 198 }
hendrikvincent 0:05ccbd4f84f1 199
hendrikvincent 0:05ccbd4f84f1 200 void eth_address(char* mac) {
hendrikvincent 0:05ccbd4f84f1 201 pEth->address(mac);
hendrikvincent 0:05ccbd4f84f1 202 }
hendrikvincent 0:05ccbd4f84f1 203
hendrikvincent 0:05ccbd4f84f1 204 Ethernet* eth_interface() {
hendrikvincent 0:05ccbd4f84f1 205 return pEth;
hendrikvincent 0:05ccbd4f84f1 206 }
hendrikvincent 0:05ccbd4f84f1 207
hendrikvincent 0:05ccbd4f84f1 208 #ifdef __cplusplus
hendrikvincent 0:05ccbd4f84f1 209 };
hendrikvincent 0:05ccbd4f84f1 210 #endif
hendrikvincent 0:05ccbd4f84f1 211
hendrikvincent 0:05ccbd4f84f1 212 #endif