From 099cb6d78198009b1610bf3095447c6c5807ab87 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 8 Jul 2005 17:56:54 +0000
Subject: add bridging performance patch from linksys source
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1380 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../patches/generic/112-bridging_performance.patch | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 target/linux/linux-2.4/patches/generic/112-bridging_performance.patch
diff --git a/target/linux/linux-2.4/patches/generic/112-bridging_performance.patch b/target/linux/linux-2.4/patches/generic/112-bridging_performance.patch
new file mode 100644
index 000000000..c5d86349d
--- /dev/null
+++ b/target/linux/linux-2.4/patches/generic/112-bridging_performance.patch
@@ -0,0 +1,22 @@
+--- linux.old/net/core/dev.c 2005-07-05 16:42:36.000000000 +0200
++++ linux.dev/net/core/dev.c 2005-07-08 19:32:46.000000000 +0200
+@@ -1289,6 +1289,19 @@
+ 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)
--
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