openwrt/package/linux/kernel-patches/103-net_core_dev-performance

   1 --- linux-mips-cvs-21012005/net/core/dev.c      2004-04-16 05:14:21.000000000 +0200
   2 +++ linux-bridge/net/core/dev.c 2005-01-25 08:15:53.000000000 +0100
   3 @@ -1289,6 +1289,19 @@
   4         local_irq_save(flags);
   5
   6         netdev_rx_stat[this_cpu].total++;
   7 +
   8 +#if defined(CONFIG_BCM4710) && defined(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)
  23 @@ -2053,6 +2066,7 @@
  24  {
  25         struct net_device *dev;
  26         int err;
  27 +       struct net_device_stats *stats;
  28
  29         if ((dev = __dev_get_by_name(ifr->ifr_name)) == NULL)
  30                 return -ENODEV;
  31 @@ -2167,6 +2181,14 @@
  32                         ifr->ifr_ifindex = dev->ifindex;
  33                         return 0;
  34
  35 +#ifdef PERFORMANCE_SUPPORT
  36 +               case SIOCGIFSTATS:
  37 +                       if (!dev->get_stats || !(stats = dev->get_stats(dev)))
  38 +                               return -ENODEV;
  39 +                       if (copy_to_user(ifr->ifr_data, stats, sizeof(struct net_device_stats)))
  40 +                               return -EFAULT;
  41 +                       return 0;
  42 +#endif
  43                 case SIOCGIFTXQLEN:
  44                         ifr->ifr_qlen = dev->tx_queue_len;
  45                         return 0;