netdev - Re: [BUG] bd4265fe36 bridge: Only flood unreg groups... breaks DHCP setup

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Message-ID: <20110706050848.GA7564@gondor.apana.org.au>
Date:	Wed, 6 Jul 2011 13:08:48 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	David Miller <davem@...emloft.net>, mike@...loops.com,
	netdev@...r.kernel.org
Subject: Re: [BUG] bd4265fe36 bridge: Only flood unreg groups... breaks
	DHCP setup

On Tue, Jul 05, 2011 at 10:06:36PM -0700, Stephen Hemminger wrote:
> On Tue, 05 Jul 2011 18:40:44 -0700 (PDT)
> David Miller <davem@...emloft.net> wrote:
> 
> > From: Herbert Xu <herbert@...dor.hengli.com.au>
> > Date: Wed, 6 Jul 2011 07:58:33 +0800
> > 
> > > bridge: Always flood broadcast packets
> > > 
> > > As is_multicast_ether_addr returns true on broadcast packets as
> > > well, we need to explicitly exclude broadcast packets so that
> > > they're always flooded.  This wasn't an issue before as broadcast
> > > packets were considered to be an unregistered multicast group,
> > > which were always flooded.  However, as we now only flood such
> > > packets to router ports, this is no longer acceptable.
> > > 
> > > Reported-by: Michael Guntsche <mike@...loops.com>
> > > Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
> > 
> > Applied.
> 
> Obviously needs to go to stable as well.

I don't think the buggy patch has made it to a release kernel
yet.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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