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authorGabor Juhos <juhosg@openwrt.org>2014-02-18 17:34:17 +0000
committerGabor Juhos <juhosg@openwrt.org>2014-02-18 17:34:17 +0000
commit6b8eb55ddb367e292f70a07a9467cf2a9ed0f316 (patch)
tree73cf447db31dbbe5ce24e02509d6616bccdbf61c /target/linux
parentd6cb5215a9352359a1da9eef955779091b9612a7 (diff)
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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
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/ar71xx/patches-3.10/902-unaligned_access_hacks.patch3
1 files changed, 2 insertions, 1 deletions
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