From: Eric Dumazet <eric.dumazet@gmail.com>
To: hadi@cyberus.ca
Cc: Tom Hughes <tom@compton.nu>,
netdev@vger.kernel.org, akpm@linux-foundation.org,
"David S. Miller" <davem@davemloft.net>,
Stephen Hemminger <shemminger@vyatta.com>,
Patrick McHardy <kaber@trash.net>, Tejun Heo <tj@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Clear IFF_XMIT_DST_RELEASE for teql interfaces
Date: Wed, 16 Jun 2010 16:14:20 +0200 [thread overview]
Message-ID: <1276697660.2632.79.camel@edumazet-laptop> (raw)
In-Reply-To: <1276694745.3862.1.camel@bigi>
Le mercredi 16 juin 2010 à 09:25 -0400, jamal a écrit :
> On Wed, 2010-06-16 at 09:24 +0100, Tom Hughes wrote:
> > The sch_teql module, which can be used to load balance over a set of
> > underlying interfaces, stopped working after 2.6.30 and has been
> > broken in all kernels since then for any underlying interface which
> > requires the addition of link level headers.
> >
> > The problem is that the transmit routine relies on being able to
> > access the destination address in the skb in order to do address
> > resolution once it has decided which underlying interface it is going
> > to transmit through.
> >
> > In 2.6.31 the IFF_XMIT_DST_RELEASE flag was introduced, and set by
> > default for all interfaces, which causes the destination address to be
> > released before the transmit routine for the interface is called.
> >
> > The solution is to clear that flag for teql interfaces.
> >
> > Signed-off-by: Tom Hughes <tom@compton.nu>
>
> Sounds reasonable. Lets CC Eric and get his ACK.
>
> cheers,
> jamal
>
Sure, I already Acked in on a previous message 5 days ago (although not
a formal patch, Stephen forwarded a bugzilla entry)
http://permalink.gmane.org/gmane.linux.network/163688
Please David, could you add bugzilla entry in commit ?
https://bugzilla.kernel.org/show_bug.cgi?id=16183
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Thanks !
next prev parent reply other threads:[~2010-06-16 14:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-16 8:24 [PATCH] Clear IFF_XMIT_DST_RELEASE for teql interfaces Tom Hughes
2010-06-16 13:25 ` jamal
2010-06-16 14:14 ` Eric Dumazet [this message]
2010-06-16 21:47 ` David Miller
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