netdev - Re: [net-next PATCH v3 1/8] net: add generic PF_BRIDGE:RTM

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Date:	Thu, 12 Apr 2012 21:27:22 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	John Fastabend <john.r.fastabend@...el.com>
CC:	<shemminger@...tta.com>, <mst@...hat.com>, <davem@...emloft.net>,
	<sri@...ibm.com>, <hadi@...erus.ca>, <jeffrey.t.kirsher@...el.com>,
	<netdev@...r.kernel.org>, <gregory.v.rose@...el.com>,
	<krkumar2@...ibm.com>
Subject: Re: [net-next PATCH v3 1/8] net: add generic PF_BRIDGE:RTM_ FDB
 hooks

On Thu, 2012-04-12 at 10:06 -0700, John Fastabend wrote:
[...]
> There is a slight complication in the case with both flags set
> when an error occurs. To resolve this the rtnl handler clears
> the NTF_ flag in the netlink ack to indicate which sets completed
> successfully. The add/del handlers will abort as soon as any
> error occurs.
[...]

Yes, this should work nicely.  Presumably these new flags are completely
ignored by the current implementation of PF_BRIDGE, and new userland
will also be able to use the flags in the response to detect the old
implementation.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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