On Mon, 15 Oct 2018 22:57:48 +0300
Ido Schimmel <ido...@mellanox.com> wrote:

> On Mon, Oct 15, 2018 at 11:57:56AM -0700, Jakub Kicinski wrote:
> > On Sat, 13 Oct 2018 17:18:38 +0000, Ido Schimmel wrote:  
> > > Add the ability to determine whether a netdev is a VxLAN netdev by
> > > calling the above mentioned function that checks the netdev's private
> > > flags.
> > > 
> > > This will allow modules to identify netdev events involving a VxLAN
> > > netdev and act accordingly. For example, drivers capable of VxLAN
> > > offload will need to configure the underlying device when a VxLAN netdev
> > > is being enslaved to an offloaded bridge.
> > > 
> > > Signed-off-by: Ido Schimmel <ido...@mellanox.com>
> > > Reviewed-by: Petr Machata <pe...@mellanox.com>  
> > 
> > Is this preferable over
> > 
> > !strcmp(netdev->rtnl_link_ops->kind, "vxlan")
> > 
> > which is what TC offloads do?  
> 
> Using a flag seemed like the more standard way.
> 
> That being said, we considered using net_device_ops instead, given we
> are about to run out of available private flags, so I don't mind
> adopting a technique already employed by another driver.
> 
> P.S. Had to Cc netdev again. I think your client somehow messed the Cc
> list? I see Cc list in your reply, but with back slashes at the end of
> two email addresses.

Agree that using a global resource bit in flags is probably overkill.
If you can use kind that would be good example for other drivers as well.

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