From 6b8eb55ddb367e292f70a07a9467cf2a9ed0f316 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 18 Feb 2014 17:34:17 +0000
Subject: [PATCH] ar71xx: fix unaligned access hacks for tcp timestamps

This missing bit of the hack saves hugely on instruction traps
on tcp connections to ar71xx based routers.

Patch-by: Dave Taht <dave.taht@bufferbloat.net>
Patchwork: http://patchwork.openwrt.org/patch/4905/
[juhosg: adjust subject, refresh kernel patch]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39626
---
 .../linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch
index a0b5824850..20f5f1c0e2 100644
--- a/target/linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch
+++ b/target/linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch
@@ -900,8 +900,9 @@
 -		tp->rx_opt.rcv_tsval = ntohl(*ptr);
 +		tp->rx_opt.rcv_tsval = get_unaligned_be32(ptr);
  		++ptr;
- 		if (*ptr)
+-		if (*ptr)
 -			tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;
++		if (net_hdr_word(ptr))
 +			tp->rx_opt.rcv_tsecr = get_unaligned_be32(ptr) -
 +					       tp->tsoffset;
  		else
-- 
2.30.2