From: Jun Zhao <mypopydev@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org,
netdev@vger.kernel.org
Subject: Re: [PATCH 1/1] ipv6 : ip6mr.c : Fix can't match the IPv6 multicast packets with input net device in netfilter FORWARD chain.
Date: Fri, 03 Aug 2012 14:10:46 +0800 [thread overview]
Message-ID: <1343974247.3100.8.camel@barry.localdomain> (raw)
In-Reply-To: <20120802.162015.2106150087918919160.davem@davemloft.net>
On Thu, 2012-08-02 at 16:20 -0700, David Miller wrote:
> From: Jun Zhao <mypopydev@gmail.com>
> Date: Thu, 2 Aug 2012 21:00:55 +0800
>
> > Current kernel change the skb's net device with output device before netfilter FORWARD chain,
> > that will lead to can't match the IPv6 multicast packets with input net device in netfilter
> > FORWARD chain.
> >
> > the test case for reproduce this issue as follow:
> >
> > IPv6 multicast udp stream from eth0(input device) to eth1(output device)
>
> Your change means we now can't match on the VIF device in this situation.
>
> I'm not applying this patch, it breaks as much as it fixes.
Hi, David:
Maybe I need to used conservative approach to fix it and don't breaks
much more, I will supply the version 2 patch for this issue.
Tks.
prev parent reply other threads:[~2012-08-03 6:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 13:00 [PATCH 1/1] ipv6 : ip6mr.c : Fix can't match the IPv6 multicast packets with input net device in netfilter FORWARD chain Jun Zhao
2012-08-02 23:20 ` David Miller
2012-08-03 6:10 ` Jun Zhao [this message]
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