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SubjectRe: bride: IPv6 multicast snooping enhancements
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From: Linus Lüssing <linus.luessing@web.de>
Date: Wed, 4 Sep 2013 02:13:37 +0200

> Here are two, small feature changes I would like to submit to increase
> the usefulness of the multicast snooping of the bridge code.
>
> The first patch is an unaltered one I had submitted before, but since it
> got no feedback I'm resubmitting it here for net-next. With the recently
> added patch to disable snooping if there is no querier (b00589af + 248ba8ec05
> + 8d50af4fb), it should be a safe choice now (without these, patch 1/2 would
> have introduced another potential for lost IPv6 multicast packets).
>
> Both conceptually and also with some testing and fuzzing, I couldn't spot
> any more causes for potential packet loss. And since the multicast snooping
> code has now been tried by various people, I think it should be a safe
> choice to apply the multicast snooping not only for IPv6 multicast packets
> with a scope greater than link-local, but also for packets of exactly this
> scope. The IPv6 standard mandates MLD reports for link-local multicast, too,
> so we can safely snoop them as well (in contrast to IPv4 link-local).

Both patches applied, thanks!
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