linux-kernel - Re: [PATCH v4 net-next 3/6] drivers: net: dsa: add locked fdb entry flag to drivers

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Message-ID: <20220721115116.5avmhghbmbbprq23@skbuf>
Date:   Thu, 21 Jul 2022 14:51:16 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     netdev@...io-technology.com
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, Jiri Pirko <jiri@...nulli.us>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <razor@...ckwall.org>,
        Shuah Khan <shuah@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Ido Schimmel <idosch@...dia.com>, linux-kernel@...r.kernel.org,
        bridge@...ts.linux-foundation.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v4 net-next 3/6] drivers: net: dsa: add locked fdb entry
 flag to drivers

On Fri, Jul 08, 2022 at 11:50:33AM +0200, netdev@...io-technology.com wrote:
> On 2022-07-08 11:15, Vladimir Oltean wrote:
> > When the possibility for it to be true will exist, _all_ switchdev
> > drivers will need to be updated to ignore that (mlxsw, cpss, ocelot,
> > rocker, prestera, etc etc), not just DSA. And you don't need to
> > propagate the is_locked flag to all individual DSA sub-drivers when none
> > care about is_locked in the ADD_TO_DEVICE direction, you can just ignore
> > within DSA until needed otherwise.
> > 
> 
> Maybe I have it wrong, but I think that Ido requested me to send it to all
> the drivers, and have them ignore entries with is_locked=true ...

Yes, but re-read my message about what "all the drivers" means.