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

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Message-ID: <20121203075316.0b1da39d@nehalam.linuxnetplumber.net>
Date:	Mon, 3 Dec 2012 07:53:16 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Cong Wang <amwang@...hat.com>
Cc:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org,
	Herbert Xu <herbert@...dor.hengli.com.au>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next] bridge: implement multicast fast leave

On Mon,  3 Dec 2012 22:36:03 +0800
Cong Wang <amwang@...hat.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@...dor.apana.org.au>
> Cc: Stephen Hemminger <shemminger@...tta.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Signed-off-by: Cong Wang <amwang@...hat.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.
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