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authorHerbert Xu <herbert@gondor.apana.org.au>2015-09-04 13:21:06 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2015-09-04 09:02:59 +0200
commit93efac3f2e03321129de67a3c0ba53048bb53e31 (patch)
tree8c4656a196b9980fdf82788595c0324254b90a97 /Documentation
parent724a7636ad026a3a68f3fc626ccd04111f65cfd9 (diff)
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ipv6: Fix IPsec pre-encap fragmentation check
The IPv6 IPsec pre-encap path performs fragmentation for tunnel-mode packets. That is, we perform fragmentation pre-encap rather than post-encap. A check was added later to ensure that proper MTU information is passed back for locally generated traffic. Unfortunately this check was performed on all IPsec packets, including transport-mode packets. What's more, the check failed to take GSO into account. The end result is that transport-mode GSO packets get dropped at the check. This patch fixes it by moving the tunnel mode check forward as well as adding the GSO check. Fixes: dd767856a36e ("xfrm6: Don't call icmpv6_send on local error") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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