X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/47c41031c5ec29bb8d8047cd287aa8b0b7af1fd3..cdde55f54a0880bde5694fcdea8e386ada0cd5ce:/net/net.c?ds=sidebyside diff --git a/net/net.c b/net/net.c index 9d99342..25926af 100644 --- a/net/net.c +++ b/net/net.c @@ -13,56 +13,26 @@ #include "lwip/sys.h" #include #include +#include +#include #include "netif/etharp.h" #include "netif/ppp_oe.h" +#include "rfb.h" + static struct nic *_nic = 0x0; static struct netif _netif; extern struct pci_driver a3c90x_driver; -void eth_poll() +void eth_recv(struct nic *nic, struct pbuf *p) { - unsigned char pkt[1600]; - int len; - struct pbuf *p, *q; struct eth_hdr *ethhdr; - int pos = 0; - - if (!_nic) - return; - smram_tseg_set_state(SMRAM_TSEG_OPEN); - - if (!_nic->poll(_nic, 0)) - return; - - _nic->packet = pkt; - _nic->poll(_nic, 1); - - len = _nic->packetlen; - - outputf("NIC: Packet: %d bytes", len); - - p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL); - if (p == NULL) - { - outputf("NIC: out of memory for packet?"); - LINK_STATS_INC(link.memerr); - LINK_STATS_INC(link.drop); - return; - } - - for(q = p; q != NULL; q = q->next) - { - memcpy(q->payload, pkt+pos, q->len); - pos += q->len; - } - LINK_STATS_INC(link.recv); ethhdr = p->payload; - + switch (htons(ethhdr->type)) { case ETHTYPE_IP: case ETHTYPE_ARP: @@ -72,7 +42,7 @@ void eth_poll() pbuf_free(p); } break; - + default: outputf("Unhandled packet type %04x input", ethhdr->type); pbuf_free(p); @@ -80,22 +50,40 @@ void eth_poll() } } -static err_t _transmit(struct netif *netif, struct pbuf *p) +void eth_poll() { - struct nic *nic = netif->state; - struct pbuf *q; - unsigned char pkt[1600]; - unsigned int len = 0; - - for(q = p; q != NULL; q = q->next) + static int ticks = 0; + int i = 15; /* Don't process more than 15 packets at a time; we don't want the host to get TOO badly slowed down... */ + + if (!_nic) + return; + + smram_tseg_set_state(SMRAM_TSEG_OPEN); + + if ((ticks % 1000) == 0) /* About a minute */ + dhcp_coarse_tmr(); + if ((ticks % 8) == 0) /* About 500msec*/ + dhcp_fine_tmr(); + if ((ticks % 4) == 0) /* About 250msec*/ + tcp_tmr(); + ticks++; + + while (i > 0) { - memcpy(pkt + len, q->payload, q->len); - len += q->len; + int n = _nic->recv(_nic); + i -= n; + if (n == 0) + break; } +} + +static err_t _transmit(struct netif *netif, struct pbuf *p) +{ + struct nic *nic = netif->state; - outputf("NIC: Transmit packet: %d bytes", len); +// outputf("NIC: Transmit packet"); - nic->transmit(len, pkt); + nic->transmit(nic, p); LINK_STATS_INC(link.xmit); @@ -129,21 +117,27 @@ static err_t _init(struct netif *netif) int eth_register(struct nic *nic) { - static struct ip_addr ipa = { 0x2dba0280 } , netmask = { 0xF0FFFFFF } , gw = { 0x2eba0280 }; + static struct ip_addr ipa = { 0 } , netmask = { 0 } , gw = { 0 }; if (_nic) return -1; netif_add(&_netif, &ipa, &netmask, &gw, (void*)nic, _init, ethernet_input); netif_set_default(&_netif); netif_set_up(&_netif); + dhcp_start(&_netif); _nic = nic; return 0; } void eth_init() { + extern void httpd_init(); + /* Required for DMA to work. :( */ smram_tseg_set_state(SMRAM_TSEG_OPEN); lwip_init(); - pci_probe_driver(a3c90x_driver); + httpd_init(); + + rfb_init(); + }