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 5b4072b111c278b8b009c1cb79dda6e7397944de..3e6130f382b259a9c41a826dfef52f11e76a8b0f 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -27,11 +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)
@@ -47,30 +44,10 @@ void eth_poll()
                tcp_tmr();
        ticks++;
 
-       if (_nic->poll(_nic, 0))
+       if ((p = _nic->recv(_nic)) != NULL)
        {
-               _nic->packet = pkt;
-               _nic->poll(_nic, 1);
-               
-               len = _nic->packetlen;
-               
-               outputf("NIC: Packet: %d bytes", len);
+               outputf("NIC: Packet: %d bytes", p->tot_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;
@@ -96,19 +73,10 @@ void eth_poll()
 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);
 
@@ -162,7 +130,7 @@ void eth_init()
        smram_tseg_set_state(SMRAM_TSEG_OPEN);
        lwip_init();
        httpd_init();
-/*
+
        rfb_init();
-*/
+
 }