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>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39626 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Gabor Juhos 2014-02-18 17:34:17 +00:00
parent 8ed16ce49a
commit 39e0aea2ae
1 changed files with 2 additions and 1 deletions

View File

@ -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