Re: [PATCH v2 net-next] ovs: allow nl 'flow set' to use ufid without flow key
From: David Miller <hidden>
Date: 2016-03-14 02:20:21
From: Samuel Gauthier <redacted> 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 <redacted>
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