netdev - Re: [PATCH] bridge: mask forwarding of IEEE 802 local multicast groups

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Date:	Thu, 28 Jul 2011 08:41:06 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	David Lamparter <equinox@...c24.net>
Cc:	Nick Carter <ncarter100@...il.com>, netdev@...r.kernel.org,
	Michał Mirosław <mirqus@...il.com>,
	davem@...emloft.net
Subject: Re: [PATCH] bridge: mask forwarding of IEEE 802 local multicast
 groups

On Wed, 27 Jul 2011 13:17:15 +0200
David Lamparter <equinox@...c24.net> wrote:

> On Fri, Jul 15, 2011 at 06:33:45PM +0200, David Lamparter wrote:
> > On Fri, Jul 15, 2011 at 06:03:57PM +0200, David Lamparter wrote:
> > > On Fri, Jul 15, 2011 at 04:44:50PM +0100, Nick Carter wrote:
> > > > On 12 July 2011 12:36, David Lamparter <equinox@...c24.net> wrote:
> > > > > On Mon, Jul 11, 2011 at 08:27:55AM -0700, Stephen Hemminger wrote:
> > > > >> I am still undecided on this. Understand the need, but don't like idea
> > > > >> of bridge behaving in non-conforming manner. Will see if IEEE 802 committee
> > > > >> has any input.
> > > > >
> > > > > The patch doesn't make the bridge behave nonconformant. The default mask
> > > > > is 0, which just keeps the old behaviour.
> > 
> > P.S.: I'd like to once more stress this. In my opinion the patch should
> > be merged because it provides desireable functionality at a small cost
> > (one test, one knob) and __does not change any default behaviour__.
> 
> Stephen, anything new on this?

No.
Don't like adding yet another hack user visible API which will have
to be maintained for too long. But on the other hand I don't have
a better solution at my finger tips. If better idea doesn't come
along, then we can go with yours.
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