3 #include <pci-bother.h>
12 #include "lwip/pbuf.h"
14 #include <lwip/stats.h>
15 #include <lwip/snmp.h>
16 #include <lwip/dhcp.h>
18 #include "netif/etharp.h"
19 #include "netif/ppp_oe.h"
21 static struct nic *_nic = 0x0;
22 static struct netif _netif;
24 extern struct pci_driver a3c90x_driver;
28 unsigned char pkt[1600];
31 struct eth_hdr *ethhdr;
38 smram_tseg_set_state(SMRAM_TSEG_OPEN);
40 if ((ticks % 1000) == 0) /* About a minute */
42 if ((ticks % 8) == 0) /* About 500msec*/
44 if ((ticks % 4) == 0) /* About 250msec*/
48 if (_nic->poll(_nic, 0))
53 len = _nic->packetlen;
55 outputf("NIC: Packet: %d bytes", len);
57 p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
60 outputf("NIC: out of memory for packet?");
61 LINK_STATS_INC(link.memerr);
62 LINK_STATS_INC(link.drop);
66 for(q = p; q != NULL; q = q->next)
68 memcpy(q->payload, pkt+pos, q->len);
72 LINK_STATS_INC(link.recv);
76 switch (htons(ethhdr->type)) {
79 if (_netif.input(p, &_netif) != ERR_OK)
81 LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
87 outputf("Unhandled packet type %04x input", ethhdr->type);
94 static err_t _transmit(struct netif *netif, struct pbuf *p)
96 struct nic *nic = netif->state;
98 unsigned char pkt[1600];
101 for(q = p; q != NULL; q = q->next)
103 memcpy(pkt + len, q->payload, q->len);
107 outputf("NIC: Transmit packet: %d bytes", len);
109 nic->transmit(len, pkt);
111 LINK_STATS_INC(link.xmit);
116 static err_t _init(struct netif *netif)
118 struct nic *nic = netif->state;
120 LWIP_ASSERT("netif != NULL", (netif != NULL));
122 #if LWIP_NETIF_HOSTNAME
123 netif->hostname = "netwatch";
126 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
128 netif->name[0] = 'e';
129 netif->name[1] = 'n';
130 netif->output = etharp_output;
131 netif->linkoutput = _transmit;
133 memcpy(netif->hwaddr, nic->hwaddr, 6);
135 netif->hwaddr_len = ETHARP_HWADDR_LEN;
136 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
141 int eth_register(struct nic *nic)
143 static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 };
147 netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input);
148 netif_set_default(&_netif);
149 netif_set_up(&_netif);
157 extern void httpd_init();
159 /* Required for DMA to work. :( */
160 smram_tseg_set_state(SMRAM_TSEG_OPEN);