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authorPatrick McHardy <kaber@trash.net>2006-01-07 02:01:48 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-07 15:57:28 -0500
commit16a6677fdf1d1194f688f8291b06fbaff248c353 (patch)
tree61badedc44ed88eb8f39e082d1abf114252cc686 /include/media
parentee2e6841b934d76cb944a3390bbea84da777d4fa (diff)
[XFRM]: Netfilter IPsec output hooks
Call netfilter hooks before IPsec transforms. Packets visit the FORWARD/LOCAL_OUT and POST_ROUTING hook before the first encapsulation and the LOCAL_OUT and POST_ROUTING hook before each following tunnel mode transform. Patch from Herbert Xu <herbert@gondor.apana.org.au>: Move the loop from dst_output into xfrm4_output/xfrm6_output since they're the only ones who need to it. xfrm{4,6}_output_one() processes the first SA all subsequent transport mode SAs and is called in a loop that calls the netfilter hooks between each two calls. In order to avoid the tail call issue, I've added the inline function nf_hook which is nf_hook_slow plus the empty list check. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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