linux-kernel - Re: [PATCH net-next 0/4] bridge: multicast snooping exports #2

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Message-Id: <20140708.161341.103939871003850198.davem@davemloft.net>
Date:	Tue, 08 Jul 2014 16:13:41 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	linus.luessing@....de
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	stephen@...workplumber.org, linux-kernel@...r.kernel.org,
	b.a.t.m.a.n@...ts.open-mesh.org
Subject: Re: [PATCH net-next 0/4] bridge: multicast snooping exports #2

From: Linus Lüssing <linus.luessing@....de>
Date: Mon,  7 Jul 2014 05:41:15 +0200


"0/4"?  Surely you meant "0/2" :-)

> Some people pointed out to me that it might be helpful to add stubs for
> the newly added multicast exports. That way e.g. batman-adv should continue
> to be compile and useable without having to have a kernel compiled
> with bridge code in the future. This is what the first patch is supposed
> to do.
> 
> The second patch adds a third multicast export for the bridge which
> e.g. batman-adv is supposed to use, too, soon: Just like the bridge
> disables its multicast snooping activities if no querier is present,
> batman-adv needs to do the same if bridges are involved.
> 
> 
> These three exports should be the final ones needed to marry the bridge
> multicast snooping with the batman-adv multicast optimizations recently
> added for the 3.15 kernel, allowing to use these optimzations in common
> setups having a bridge on top of e.g. bat0, too. So far these bridged
> setups would fall back to simple flooding through the batman-adv mesh
> network for any multicast packet entering bat0.
> 
> More information about the batman-adv multicast optimizations currently
> implemented can be found here:
> 
> http://www.open-mesh.org/projects/batman-adv/wiki/Basic-multicast-optimizations
> 
> The integration on the batman-adv side could afterwards look like this,
> for instance (now including the third export):
> 
> http://git.open-mesh.org/batman-adv.git/commitdiff/61e4f6af4b7a21ed4040f2e711d50c778e5b6d93?hp=6ae4281474675fbca5bedcf768972a32db586eb6

Series applied, thanks.
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