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

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Message-ID: <20201223153152.zbzgs63dykehwk5x@skbuf>
Date:   Wed, 23 Dec 2020 17:31:52 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Danielle Ratson <danieller@...dia.com>,
        Petr Machata <petrm@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        Ido Schimmel <idosch@...dia.com>,
        Ivan Vecera <ivecera@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        bridge@...ts.linux-foundation.org
Subject: Re: [PATCH AUTOSEL 4.14 48/66] bridge: switchdev: Notify about VLAN
 protocol changes

On Tue, Dec 22, 2020 at 09:22:34PM -0500, Sasha Levin wrote:
> From: Danielle Ratson <danieller@...dia.com>
> 
> [ 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@...dia.com>
> Reviewed-by: Petr Machata <petrm@...dia.com>
> Acked-by: Nikolay Aleksandrov <nikolay@...dia.com>
> Signed-off-by: Ido Schimmel <idosch@...dia.com>
> Reviewed-by: Ivan Vecera <ivecera@...hat.com>
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---

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?