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rps: support IPIP encapsulation

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Skip IPIP header to get proper layer-4 information.

Like GRE tunnels, this only works if rxhash is not already provided by
the device itself (ethtool -K ethX rxhash off), to allow kernel compute
a software rxhash.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-08-24 10:41:19 +00:00 committed by David S. Miller
parent 0e43182c0c
commit ec5efe7946
1 changed files with 2 additions and 0 deletions
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2
net/core/dev.c
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@ -2608,6 +2608,8 @@ again:
}
}
break;
case IPPROTO_IPIP:
goto again;
default:
break;
}