openwrt/target/linux/linux-2.4/patches/generic/112-bridging_performance.patch

   1 --- linux.old/net/core/dev.c    2005-07-05 16:42:36.000000000 +0200
   2 +++ linux.dev/net/core/dev.c    2005-07-08 19:32:46.000000000 +0200
   3 @@ -1289,6 +1289,19 @@
   4         local_irq_save(flags);
   5
   6         netdev_rx_stat[this_cpu].total++;
   7 +
   8 +#ifdef CONFIG_BRIDGE
   9 +       /* Optimisation for framebursting (allow interleaving of pkts by
  10 +        * immediately processing the rx pkt instead of Qing the pkt and deferring
  11 +        * the processing). Only optimise for bridging and guard against non
  12 +        * TASKLET based netif_rx calls.
  13 +        */
  14 +       if (!in_irq() && (skb->dev->br_port != NULL) && br_handle_frame_hook != NULL) {
  15 +               local_irq_restore(flags);
  16 +               return netif_receive_skb(skb);
  17 +       }
  18 +#endif
  19 +
  20         if (queue->input_pkt_queue.qlen <= netdev_max_backlog) {
  21                 if (queue->input_pkt_queue.qlen) {
  22                         if (queue->throttle)