netdev - Re: [PATCH 3/3] bonding: Improve IGMP join processing

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Message-ID: <20070301194305.GB3199@gospo.rdu.redhat.com>
Date:	Thu, 1 Mar 2007 14:43:06 -0500
From:	Andy Gospodarek <andy@...yhouse.net>
To:	Brian Haley <brian.haley@...com>
Cc:	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>, netdev@...r.kernel.org,
	bonding-devel@...ts.sourceforge.net,
	Jeff Garzik <jgarzik@...ox.com>
Subject: Re: [PATCH 3/3] bonding: Improve IGMP join processing

On Thu, Mar 01, 2007 at 02:25:19PM -0500, Brian Haley wrote:
> Jay Vosburgh wrote:
> >>My only concern is that this code assumes all mcast addresses stored in
> >>dev->mc-list list are for ipv4 igmp mcast addresses and nothing was done
> >>for ipv6.
> >>
> >>But this is much better than what we have now, so... 
> >
> >	Agreed, but there's no IPv6 support anywhere in bonding at
> >present (for unicast or multicast), so this isn't really a loss.
> 
> So forgive my naive question, but what would it take to make IPv6 work? 
>  I know DAD fails on a test setup I have, but I haven't dug-into why 
> this is (I can guess), and I'd like to see it working.  I'm willing to 
> help, even if just to get it limping along.
> 

Brian,

If we are easily able to differentiate between the multicast addresses
in the mc_list as to which are for ipv4 and which are for ipv6 then it
would be easy to call-out to something in the ipv6 mcast code when
needed instead of always calling out to ipv4 code.

-andy
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