From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: [PATCH 1/1] netfilter: nf_queue: fix queueing of bridged gro skbs Date: Thu, 9 Feb 2012 16:44:21 +0100 Message-ID: <20120209154421.GA5865@1984> References: <1328530990-6782-1-git-send-email-fw@strlen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netfilter-devel , netdev To: Florian Westphal Return-path: Received: from mail.us.es ([193.147.175.20]:44886 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752828Ab2BIPoY (ORCPT ); Thu, 9 Feb 2012 10:44:24 -0500 Content-Disposition: inline In-Reply-To: <1328530990-6782-1-git-send-email-fw@strlen.de> Sender: netdev-owner@vger.kernel.org List-ID: Hi Florian, On Mon, Feb 06, 2012 at 01:23:10PM +0100, Florian Westphal wrote: > When trying to nf_queue GRO/GSO skbs, nf_queue uses skb_gso_segment > to split the skb. > > However, if nf_queue is called via bridge netfilter, the mac header > won't be preserved -- packets will thus contain a bogus mac header. > > Fix this by setting skb->data to the mac header when skb->nf_bridge > is set and restoring skb->data afterwards for all segments. Better fix skb_gso_segment to handle this case?