[NETFILTER]: nf_conntrack_expect: support inactive expectations

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This is useful for the SIP helper and signalling expectations.
We don't want to create a full-blown expectation with a wildcard
as source based on a single UDP packet, but need to know the
final port anyways. With inactive expectations we can register
the expectation and reserve the tuple, but wait for confirmation
from the registrar before activating it.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Patrick McHardy 2008-03-25 20:08:37 -07:00 • committed by David S. Miller

parent 4bb119eab7

commit 359b9ab614

2 changed files with 23 additions and 5 deletions

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include/net/netfilter/nf_conntrack_expect.h

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