From: Stefan Hajnoczi <stefanha@gmail.com>
To: Samuel Thibault <samuel.thibault@labri.fr>,
ped@listes.subiron.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PER] Re: socket, mcast looping back frames -> IPv6 broken
Date: Fri, 8 Mar 2013 09:43:18 +0100 [thread overview]
Message-ID: <20130308084318.GA8984@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <20130307171428.GC6043@type.bordeaux.inria.fr>
On Thu, Mar 07, 2013 at 06:14:28PM +0100, Samuel Thibault wrote:
> Stefan Hajnoczi, le Thu 07 Mar 2013 10:38:26 +0100, a écrit :
> > On Wed, Mar 06, 2013 at 02:15:25PM +0100, Samuel Thibault wrote:
> > > Stefan Hajnoczi, le Wed 06 Mar 2013 13:29:37 +0100, a écrit :
> > > > On Tue, Mar 05, 2013 at 05:35:10PM +0100, Samuel Thibault wrote:
> > > > Unfortunately net/socket.c does not have the concept of a link-layer
> > > > address, so we cannot easily filter out multicast packets coming from
> > > > our NIC's address.
> > > >
> > > > Are you aware of a way to filter out just the packets sent by *this*
> > > > process?
> > >
> > > I haven't seen any in the Linux source code. One thing that should
> > > work, however, is to use recvfrom, and drop whatever comes from our
> > > sockname.
> >
> > Sounds like a plan :).
>
> Except that the sockname is the multicast address itself... I'll have a
> closer look.
What about the port number?
Stefan
next prev parent reply other threads:[~2013-03-08 8:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-05 16:35 [Qemu-devel] socket,mcast looping back frames -> IPv6 broken Samuel Thibault
2013-03-06 12:29 ` Stefan Hajnoczi
2013-03-06 13:15 ` [Qemu-devel] [PER] Re: socket, mcast " Samuel Thibault
2013-03-07 9:38 ` Stefan Hajnoczi
2013-03-07 17:14 ` Samuel Thibault
2013-03-08 8:43 ` Stefan Hajnoczi [this message]
2013-03-08 9:08 ` Samuel Thibault
2013-03-08 12:47 ` Samuel Thibault
2013-04-01 6:35 ` Mike Lovell
2013-04-01 9:32 ` Samuel Thibault
2013-04-08 11:12 ` Stefan Hajnoczi
2013-03-10 20:01 ` Samuel Thibault
2013-03-11 8:36 ` Stefan Hajnoczi
2013-04-01 0:12 ` [Qemu-devel] [PATCH] Document mcast+ipv6 (Was: Re: socket, mcast looping back frames -> IPv6 broken) Samuel Thibault
2013-04-08 11:13 ` Stefan Hajnoczi
2013-04-08 12:11 ` Samuel Thibault
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