source: freewrt/target/linux/generic-2.4/patches/112-bridging_performance.patch@ a3abab6

net/core/dev.c

@@ -1289 +1289 @@
         local_irq_save(flags);
 
         netdev_rx_stat[this_cpu].total++;
+
+#ifdef CONFIG_BRIDGE
+        /* Optimisation for framebursting (allow interleaving of pkts by
+         * immediately processing the rx pkt instead of Qing the pkt and deferring
+         * the processing). Only optimise for bridging and guard against non
+         * TASKLET based netif_rx calls.
+         */
+        if (!in_irq() && (skb->dev->br_port != NULL) && br_handle_frame_hook != NULL) {
+                local_irq_restore(flags);
+                return netif_receive_skb(skb);
+        }
+#endif          
+        
         if (queue->input_pkt_queue.qlen <= netdev_max_backlog) {
                 if (queue->input_pkt_queue.qlen) {
                         if (queue->throttle)