[ovs-dev] [PATCH net-next v7] openvswitch: enable NSH support

Yang, Yi yi.y.yang at intel.com
Tue Sep 5 11:03:11 UTC 2017


On Tue, Sep 05, 2017 at 11:46:45AM +0200, Jiri Benc wrote:
> On Tue, 5 Sep 2017 13:51:45 +0800, Yang, Yi wrote:
> > But if we follow your way, how does nla_for_each_nested handle such
> > pattern?
> > 
> > attribute1
> > attribute1_mask
> > attribute2
> > attribute2_mask
> > attribute3
> > attribute3_mask
> 
> Uh? That will just work. Note that nla len contains the size of the
> whole attribute, i.e. includes both fields.
> 
> > I don't think this can increase performance and readability.
>

I got the point, actually value and mask are data of one attribute, so
they are three attributes but not six. 


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