[Bridge] [PATCH net-next] bridge: implement multicast fast leave

Herbert Xu herbert at gondor.apana.org.au
Tue Dec 4 01:38:38 UTC 2012


On Mon, Dec 03, 2012 at 07:53:16AM -0800, Stephen Hemminger wrote:
> On Mon,  3 Dec 2012 22:36:03 +0800
> Cong Wang <amwang at redhat.com> wrote:
> 
> > Fast leave allows bridge to immediately stops the multicast
> > traffic on the port receives IGMP Leave when IGMP snooping is enabled,
> > no timeouts are observed.
> > 
> > Cc: Herbert Xu <herbert at gondor.apana.org.au>
> > Cc: Stephen Hemminger <shemminger at vyatta.com>
> > Cc: "David S. Miller" <davem at davemloft.net>
> > Signed-off-by: Cong Wang <amwang at redhat.com>
> 
> I like the feature, and it looks like an oversight in the initial design.
> Why is this not the default, adding more options obscures it.

If the port has a bridge on it then you're toast.  I think this
should be a per-port option.

Cheers,
-- 
Email: Herbert Xu <herbert at gondor.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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