Fix modulo issues in vga-overlay

[netwatch.git] / net / net.c

diff --git a/net/net.c b/net/net.c
index 5d0c75b4ebb69d767bc73231711beafbc6845e26..25926af7dac5225d84cac8a765b90ce6c6ee9fbf 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -25,11 +25,35 @@ static struct netif _netif;
 
 extern struct pci_driver a3c90x_driver;
 
 
 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;
        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;
        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;
        
        if (!_nic)
                return;


@@ -44,29 +68,12 @@ void eth_poll()
                tcp_tmr();
        ticks++;
 
                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;
                        break;

-               }

        }
 }
 
        }
 }
 


@@ -76,7 +83,7 @@ static err_t _transmit(struct netif *netif, struct pbuf *p)
 
 //     outputf("NIC: Transmit packet");
 
 
 //     outputf("NIC: Transmit packet");
 

-       nic->transmit(p);
+       nic->transmit(nic, p);

 
        LINK_STATS_INC(link.xmit);
 
 
        LINK_STATS_INC(link.xmit);