netdev - Re: [PATCH v2 net-next] ovs: allow nl 'flow set' to use ufid without flow key

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Message-Id: <20160313.222021.992619751926439337.davem@davemloft.net>
Date:	Sun, 13 Mar 2016 22:20:21 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	samuel.gauthier@...nd.com
Cc:	pshelar@...ira.com, netdev@...r.kernel.org, dev@...nvswitch.org
Subject: Re: [PATCH v2 net-next] ovs: allow nl 'flow set' to use ufid
 without flow key

From: Samuel Gauthier <samuel.gauthier@...nd.com>
Date: Thu, 10 Mar 2016 17:14:59 +0100

> When we want to change a flow using netlink, we have to identify it to
> be able to perform a lookup. Both the flow key and unique flow ID
> (ufid) are valid identifiers, but we always have to specify the flow
> key in the netlink message. When both attributes are there, the ufid
> is used. The flow key is used to validate the actions provided by
> the userland.
> 
> This commit allows to use the ufid without having to provide the flow
> key, as it is already done in the netlink 'flow get' and 'flow del'
> path. The flow key remains mandatory when an action is provided.
> 
> Signed-off-by: Samuel Gauthier <samuel.gauthier@...nd.com>

Applied.