Queue up a rxdesc, instead of busy waiting for the card to get back to us. This...

[netwatch.git] / net / net.c

diff --git a/net/net.c b/net/net.c
index 8390f044e09c46640f4b1d478eb0f8783b96b28d..3e6130f382b259a9c41a826dfef52f11e76a8b0f 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -18,6 +18,8 @@
 #include "netif/etharp.h"
 #include "netif/ppp_oe.h"
 
+#include "rfb.h"
+
 static struct nic *_nic = 0x0;
 static struct netif _netif;
 
@@ -25,11 +27,8 @@ extern struct pci_driver a3c90x_driver;
 
 void eth_poll()
 {
-       unsigned char pkt[1600];
-       int len;
-       struct pbuf *p, *q;
+       struct pbuf *p;
        struct eth_hdr *ethhdr;
-       int pos = 0;
        static int ticks = 0;
        
        if (!_nic)
@@ -45,68 +44,39 @@ void eth_poll()
                tcp_tmr();
        ticks++;
 
-       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)
+       if ((p = _nic->recv(_nic)) != 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:
-               if (_netif.input(p, &_netif) != ERR_OK)
-               {
-                       LWIP_DEBUGF(NETIF_DEBUG, ("netdev_input: IP input error\n"));
+               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);
+                       break;
                }
-               break;
-
-       default:
-               outputf("Unhandled packet type %04x input", ethhdr->type);
-               pbuf_free(p);
-               break;
        }
 }
 
 static err_t _transmit(struct netif *netif, struct pbuf *p)
 {
        struct nic *nic = netif->state;
-       struct pbuf *q;
-       unsigned char pkt[1600];
-       unsigned int len = 0;
 
-       for(q = p; q != NULL; q = q->next)
-       {
-               memcpy(pkt + len, q->payload, q->len);
-               len += q->len;
-       }
-
-       outputf("NIC: Transmit packet: %d bytes", len);
+       outputf("NIC: Transmit packet");
 
-       nic->transmit(len, pkt);
+       nic->transmit(p);
 
        LINK_STATS_INC(link.xmit);
 
@@ -159,6 +129,8 @@ void eth_init()
        /* Required for DMA to work. :( */
        smram_tseg_set_state(SMRAM_TSEG_OPEN);
        lwip_init();
-       pci_probe_driver(a3c90x_driver);
        httpd_init();
+
+       rfb_init();
+
 }