From: Pablo Neira Ayuso <pablo@netfilter.org>
To: "Alin Năstac" <alin.nastac@gmail.com>
Cc: netfilter-devel <netfilter-devel@vger.kernel.org>
Subject: Re: [PATCH] ipv6: Preserve link scope traffic original oif
Date: Fri, 3 Mar 2017 13:12:25 +0100 [thread overview]
Message-ID: <20170303121225.GA14320@salvia> (raw)
In-Reply-To: <CAF1oqRD9sahqwj0u1k44x6EqnjD7czLFDM32nO1o6am4gnprtw@mail.gmail.com>
On Fri, Mar 03, 2017 at 12:56:50PM +0100, Alin Năstac wrote:
> On Fri, Mar 3, 2017 at 12:39 PM, Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> > On Wed, Mar 01, 2017 at 02:47:23PM +0100, Alin Nastac wrote:
> >> Link-local and multicast packets must keep their original oif after
> >> ip6_route_me_harder is called.
> >
> > Out of curiosity, how does the setup you use look like to trigger this
> > problem?
>
> ICMPv6 RA/NS/NA are marked by a -j MARK iptables rule (the mark value
> is used to set the QoS queue).
> Because skb->mark value changed, ip6t_mangle_out will call ip6_route_me_harder.
That sounds quite standard. Did this broke after kernel upgrade? I'm
trying to guess if the problem is somewhere else...
next prev parent reply other threads:[~2017-03-03 12:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-01 13:47 [PATCH] ipv6: Preserve link scope traffic original oif Alin Nastac
2017-03-03 11:39 ` Pablo Neira Ayuso
2017-03-03 11:56 ` Alin Năstac
2017-03-03 12:12 ` Pablo Neira Ayuso [this message]
2017-03-03 13:22 ` Alin Năstac
-- strict thread matches above, loose matches on Subject: below --
2017-03-01 13:00 Alin Nastac
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