From: Piotr Duszynski <regis44@gmail.com>
To: netfilter-devel@vger.kernel.org
Subject: Conntrack modification
Date: Sun, 09 Nov 2008 14:55:35 +0100 [thread overview]
Message-ID: <4916EBD7.2090006@gmail.com> (raw)
Hi everyone,
I am working on a project, that needs source MAC information for each
active connection tracked by conntrack. In the beginning I was thinking
about using the nf_conntrack_tuple.src for this purpose, but then I saw
that the hash function is taking into account this struct as well. I
guess that if I modified it, packets wouldn't be properly identified
anymore as part of existing connection. After diving again into the
source code I have come across nf_conntrack_extend , which seems to a
good place to put the MAC related information.
I am really not sure which path should I take. In the simplest case I
could just add __u32 src_mac to the nf_conntrack_tuple, but this doesn't
seem to be a very elegant solution .
Best regards
Piotrek
reply other threads:[~2008-11-09 13:55 UTC|newest]
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