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-a3cf2f4a3e73master
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8ed16ce49a
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39e0aea2ae
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@ -900,8 +900,9 @@
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- tp->rx_opt.rcv_tsval = ntohl(*ptr);
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+ tp->rx_opt.rcv_tsval = get_unaligned_be32(ptr);
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++ptr;
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if (*ptr)
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- if (*ptr)
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- tp->rx_opt.rcv_tsecr = ntohl(*ptr) - tp->tsoffset;
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+ if (net_hdr_word(ptr))
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+ tp->rx_opt.rcv_tsecr = get_unaligned_be32(ptr) -
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+ tp->tsoffset;
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else
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