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authorSteffen Klassert <steffen.klassert@secunet.com>2017-10-30 10:04:04 +0100
committerSteffen Klassert <steffen.klassert@secunet.com>2017-10-31 09:20:35 +0100
commit73b9fc49b4c0116a04eda3979f64ed9b540b153c (patch)
tree362ece5f48012511aabacfe60ba66a8104d8c12c /mm/Makefile
parent2b06cdf3e688b98fcc9945873b5d42792bd4eee0 (diff)
xfrm: Fix GSO for IPsec with GRE tunnel.
We reset the encapsulation field of the skb too early in xfrm_output. As a result, the GRE GSO handler does not segment the packets. This leads to a performance drop down. We fix this by resetting the encapsulation field right before we do the transformation, when the inner headers become invalid. Fixes: f1bd7d659ef0 ("xfrm: Add encapsulation header offsets while SKB is not encrypted") Reported-by: Vicente De Luca <vdeluca@zendesk.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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