netfilter: nf_conntrack_sip: pass data offset to NAT functions

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When using TCP multiple SIP messages might be present in a single packet.
A following patch will parse them by setting the dptr to the beginning of
each message. The NAT helper needs to reload the dptr value after mangling
the packet however, so it needs to know the offset of the message to the
beginning of the packet.

Signed-off-by: Patrick McHardy <kaber@trash.net>

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Patrick McHardy 2010-02-11 12:23:53 +01:00

parent 54101f4f3b

commit 3b6b9fab42

3 changed files with 105 additions and 92 deletions

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include/linux/netfilter/nf_conntrack_sip.h

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