path: root/drivers
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authorSteffen Klassert <steffen.klassert@secunet.com>2011-10-11 01:43:33 +0000
committerDavid S. Miller <davem@davemloft.net>2011-10-18 23:53:10 -0400
commit299b0767642a65f0c5446ab6d35e6df0daf43d33 (patch)
tree30e41c97fe4cef60540964495c15d0be121e3b3e /drivers
parentc113464d4351591de8791c0cadfc165836e5a725 (diff)
ipv6: Fix IPsec slowpath fragmentation problem
ip6_append_data() builds packets based on the mtu from dst_mtu(rt->dst.path). On IPsec the effective mtu is lower because we need to add the protocol headers and trailers later when we do the IPsec transformations. So after the IPsec transformations the packet might be too big, which leads to a slowpath fragmentation then. This patch fixes this by building the packets based on the lower IPsec mtu from dst_mtu(&rt->dst) and adapts the exthdr handling to this. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
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