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;
+
+ 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;
tcp_tmr();
ticks++;
- if (_nic->poll(_nic, 0))
+ while (i > 0)
{
- _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:
- 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;
- }
}
}
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);