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

   1 Index: linux-2.4.35.4/net/core/dev.c
   2 ===================================================================
   3 --- linux-2.4.35.4.orig/net/core/dev.c  2007-12-15 05:19:51.651364482 +0100
   4 +++ linux-2.4.35.4/net/core/dev.c       2007-12-15 05:19:54.483525877 +0100
   5 @@ -1289,6 +1289,19 @@
   6         local_irq_save(flags);
   7
   8         netdev_rx_stat[this_cpu].total++;
   9 +
  10 +#ifdef CONFIG_BRIDGE
  11 +       /* Optimisation for framebursting (allow interleaving of pkts by
  12 +        * immediately processing the rx pkt instead of Qing the pkt and deferring
  13 +        * the processing). Only optimise for bridging and guard against non
  14 +        * TASKLET based netif_rx calls.
  15 +        */
  16 +       if (!in_irq() && (skb->dev->br_port != NULL) && br_handle_frame_hook != NULL) {
  17 +               local_irq_restore(flags);
  18 +               return netif_receive_skb(skb);
  19 +       }
  20 +#endif
  21 +
  22         if (queue->input_pkt_queue.qlen <= netdev_max_backlog) {
  23                 if (queue->input_pkt_queue.qlen) {
  24                         if (queue->throttle)