[Bridge] [PATCHv2] bridge: separate querier and query timer into IGMP/IPv4 and MLD/IPv6 ones

David Miller davem at davemloft.net
Fri Aug 30 19:29:02 UTC 2013


From: Linus Lüssing <linus.luessing at web.de>
Date: Fri, 30 Aug 2013 17:28:17 +0200

> Currently we would still potentially suffer multicast packet loss if there
> is just either an IGMP or an MLD querier: For the former case, we would
> possibly drop IPv6 multicast packets, for the latter IPv4 ones. This is
> because we are currently assuming that if either an IGMP or MLD querier
> is present that the other one is present, too.
> 
> This patch makes the behaviour and fix added in
> "bridge: disable snooping if there is no querier" (b00589af3b04)
> to also work if there is either just an IGMP or an MLD querier on the
> link: It refines the deactivation of the snooping to be protocol
> specific by using separate timers for the snooped IGMP and MLD queries
> as well as separate timers for our internal IGMP and MLD queriers.
> 
> Signed-off-by: Linus Lüssing <linus.luessing at web.de>

Looks great, applied, thanks.


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