netdev - Re: [PATCH 2/2] bridge: fix initial packet flood if !STP

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Message-Id: <20090517.211348.115670295.davem@davemloft.net>
Date:	Sun, 17 May 2009 21:13:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	bridge@...ux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] bridge: fix initial packet flood if !STP

From: Stephen Hemminger <shemminger@...tta.com>
Date: Fri, 15 May 2009 09:11:58 -0700

> If bridge is configured with no STP and forwarding delay of 0 (which
> is typical for virtualization) then when link starts it will flood all
> packets for the first 20 seconds. 
> 
> This bug was introduced by a combination of earlier changes:
>   * forwarding database uses hold time of zero to indicate 
>     user wants to always flood packets
>   * optimzation of the case of forwarding delay of 0 avoids the initial
>     timer tick
> 
> The fix is to just skip all the topology change detection code if
> kernel STP is not being used.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

Also applied, thanks Stephen.

To avoid confusion, I did apply these to net-2.6 since they
are fixes.

Thanks!
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