X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/bc9e1044fd166db4e75cdc39b2aaa17d942b3ca4..3368351a230f70d5daf36464b2a473e4a8c74c8a:/net/net.c diff --git a/net/net.c b/net/net.c index 5d0c75b..d762b47 100644 --- a/net/net.c +++ b/net/net.c @@ -1,8 +1,19 @@ +/* net.c + * Top-level network glue code + * NetWatch system management mode administration console + * + * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved. + * This program is free software; you can redistribute and/or modify it under + * the terms found in the file LICENSE in the root of this source tree. + * + */ + #include #include #include #include #include +#include #include #include "net.h" @@ -18,18 +29,40 @@ #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) { - struct pbuf *p; struct eth_hdr *ethhdr; + + LINK_STATS_INC(link.recv); + + ethhdr = p->payload; + + switch (htons(ethhdr->type)) { + case ETHTYPE_IP: + case ETHTYPE_ARP: + if (_netif.input(p, &_netif) != ERR_OK) + { + LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n")); + pbuf_free(p); + } + break; + + default: + outputf("Unhandled packet type %04x input", ethhdr->type); + pbuf_free(p); + break; + } +} + +void eth_poll() +{ 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; @@ -44,29 +77,12 @@ void eth_poll() tcp_tmr(); ticks++; - if ((p = _nic->recv(_nic)) != NULL) + while (i > 0) { -// outputf("NIC: Packet: %d bytes", p->tot_len); - - LINK_STATS_INC(link.recv); - - ethhdr = p->payload; - - switch (htons(ethhdr->type)) { - case ETHTYPE_IP: - case ETHTYPE_ARP: - if (_netif.input(p, &_netif) != ERR_OK) - { - LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n")); - pbuf_free(p); - } - break; - - default: - outputf("Unhandled packet type %04x input", ethhdr->type); - pbuf_free(p); + int n = _nic->recv(_nic); + i -= n; + if (n == 0) break; - } } } @@ -76,7 +92,7 @@ static err_t _transmit(struct netif *netif, struct pbuf *p) // outputf("NIC: Transmit packet"); - nic->transmit(p); + nic->transmit(nic, p); LINK_STATS_INC(link.xmit); @@ -122,15 +138,19 @@ int eth_register(struct nic *nic) return 0; } +typedef void(*thunk_t)(); + +TABLE(thunk_t, protocols); + void eth_init() { - extern void httpd_init(); + int i; /* Required for DMA to work. :( */ smram_tseg_set_state(SMRAM_TSEG_OPEN); - lwip_init(); - httpd_init(); - rfb_init(); + lwip_init(); + for (i = 0; i < TABLE_LENGTH(protocols); i++) + protocols_table[i](); }