Re: [PATCH AUTOSEL 4.14 48/66] bridge: switchdev: Notify about VLAN protocol changes

From: Vladimir Oltean
Date: Wed Dec 23 2020 - 10:33:05 EST


On Tue, Dec 22, 2020 at 09:22:34PM -0500, Sasha Levin wrote:
> From: Danielle Ratson <danieller@xxxxxxxxxx>
>
> [ Upstream commit 22ec19f3aee327806c37c9fa1188741574bc6445 ]
>
> Drivers that support bridge offload need to be notified about changes to
> the bridge's VLAN protocol so that they could react accordingly and
> potentially veto the change.
>
> Add a new switchdev attribute to communicate the change to drivers.
>
> Signed-off-by: Danielle Ratson <danieller@xxxxxxxxxx>
> Reviewed-by: Petr Machata <petrm@xxxxxxxxxx>
> Acked-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxx>
> Signed-off-by: Ido Schimmel <idosch@xxxxxxxxxx>
> Reviewed-by: Ivan Vecera <ivecera@xxxxxxxxxx>
> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---

This looks like a bit of an odd patch to backport?
Are we also going to backport driver changes that make use of this new
switchdev notifier?