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

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Message-ID: <20160311013552.GA25270@penelope.isobedori.kobe.vergenet.net>
Date:	Fri, 11 Mar 2016 10:35:55 +0900
From:	Simon Horman <simon.horman@...ronome.com>
To:	Samuel Gauthier <samuel.gauthier@...nd.com>
Cc:	Pravin Shelar <pshelar@...ira.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	dev@...nvswitch.org
Subject: Re: [PATCH v2 net-next] ovs: allow nl 'flow set' to use ufid without
 flow key

On Thu, Mar 10, 2016 at 05:14:59PM +0100, Samuel Gauthier wrote:
> 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>

Reviewed-by: Simon Horman <simon.horman@...ronome.com>