static netdev_tx_t skfp_send_pkt(struct sk_buff *skb,
struct net_device *dev)
{
struct s_smc *smc = netdev_priv(dev);
skfddi_priv *bp = &smc->os;
pr_debug(KERN_INFO "skfp_send_pkt\n");
if (!(skb->len >= FDDI_K_LLC_ZLEN && skb->len <= FDDI_K_LLC_LEN)) {
bp->MacStat.gen.tx_errors++;
netif_start_queue(dev);
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
if (bp->QueueSkb == 0) {
netif_stop_queue(dev);
return NETDEV_TX_BUSY;
}
bp->QueueSkb--;
skb_queue_tail(&bp->SendSkbQueue, skb);
send_queued_packets(netdev_priv(dev));
if (bp->QueueSkb == 0) {
netif_stop_queue(dev);
}
dev->trans_start = jiffies;
return NETDEV_TX_OK;
}
void llc_restart_tx(struct s_smc *smc)
{
skfddi_priv *bp = &smc->os;
pr_debug(KERN_INFO "[llc_restart_tx]\n");
spin_unlock(&bp->DriverLock);
send_queued_packets(smc);
spin_lock(&bp->DriverLock);
netif_start_queue(bp->dev);
}
void process_arp_reply( struct sr_instance *sr, const uint8_t *packet, unsigned int len, const char *interface)
{
assert(sr);
assert(packet);
assert(interface);
router_state *rs = get_router_state(sr);
/* update the arp cache */
arp_hdr *arp = get_arp_hdr(packet, len);
lock_arp_cache_wr(rs);
update_arp_cache(sr, &(arp->arp_sip), arp->arp_sha, 0);
unlock_arp_cache(rs);
lock_arp_cache_rd(rs);
lock_arp_queue_wr(rs);
send_queued_packets(sr, &(arp->arp_sip), arp->arp_sha);
unlock_arp_queue(rs);
unlock_arp_cache(rs);
}
