netdev - Re: RFC: New BPF 'LOOP' instruction

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Date:	Tue, 03 Aug 2010 16:09:53 +0200
From:	Rémi Denis-Courmont <remi@...lab.net>
To:	Paul LeoNerd Evans <leonerd@...nerd.org.uk>
Cc:	netdev@...r.kernel.org
Subject: Re: RFC: New BPF 'LOOP' instruction


On Tue, 3 Aug 2010 14:34:43 +0100, Paul LeoNerd Evans
<leonerd@...nerd.org.uk> wrote:
> What if we added a new constant SKF_TRANS_OFF to store the start address
> of the transport header, and a new SKF_AD storage area for the transport
> protocol:
(...)
> Does this sound workable?

The network header has not been processed by the time the skbuff hits the
packet socket. So the transport header offset is not defined yet.

-- 
Rémi Denis-Courmont
http://www.remlab.net
http://fi.linkedin.com/in/remidenis

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