rps: support IPIP encapsulation
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>
diff --git a/net/core/dev.c b/net/core/dev.c
index a4306f7..b668a3d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2608,6 +2608,8 @@
}
}
break;
+ case IPPROTO_IPIP:
+ goto again;
default:
break;
}