linux-kernel - Re: IP Defragmentation

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Message-ID: <Pine.LNX.4.61.0703110042460.26332@yvahk01.tjqt.qr>
Date:	Sun, 11 Mar 2007 00:43:34 +0100 (MET)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Kanhu Rauta <choiskanhu@...il.com>
cc:	netfilter-devel@...ts.netfilter.org, linux-net@...r.kernel.org,
	kernelnewbies@...linux.org, linux-kernel@...r.kernel.org
Subject: Re: IP Defragmentation


On Mar 8 2007 11:45, Kanhu Rauta wrote:
>
> 1>in case of fragmention i am getting only one packet at the
> hook,While analyzing the ip header it says this is the assembled
> packet(skb->len=1528,offset=0,MF=0).

conntrack assembles defragmented packets.

> While dumping the data(for 0 to 1528 print skb->data[i]) it shows that
> only 1472 bytes are valid data and rest 28 bytes are something
> garbage.

Have you forgotten to use skb_header_pointer()?



Jan
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