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Date: Thu, 02 May 2013 13:41:05 -0400
From: Vlad Yasevich <vyasevic@redhat.com>
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Subject: Re: [Bridge] [PATCH v2 net-next 0/6] Allow bridge to function in
 non-promisc mode
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To: Stephen Hemminger <stephen@networkplumber.org>
Cc: netdev@vger.kernel.org, bridge@lists.linux-foundation.org, mst@redhat.com

On 05/02/2013 01:23 PM, Stephen Hemminger wrote:
> Doing research on another problem, I noticed that this would
> break user mode spanning tree (RSTP) code.
>
> The daemon assumes that bridge is promicious mode and therefore
> will receive all link-level multicast packets.
>

Just took another look at RSTP code and I see that's its using
a packet socket with filter to catch STP frames.

Would setting IFF_ALL_MULTI solve the problem?  STP packets
are all multicast.

Thanks
-vlad