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Date: Fri, 08 Jul 2022 11:27:15 +0200
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Subject: Re: [Bridge] [PATCH v4 net-next 3/6] drivers: net: dsa: add locked
 fdb entry flag to drivers
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To: Vladimir Oltean <olteanv@gmail.com>
Cc: Ivan Vecera <ivecera@redhat.com>, Andrew Lunn <andrew@lunn.ch>, Florian Fainelli <f.fainelli@gmail.com>, Jiri Pirko <jiri@resnulli.us>, Daniel Borkmann <daniel@iogearbox.net>, netdev@vger.kernel.org, Nikolay Aleksandrov <razor@blackwall.org>, bridge@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Ido Schimmel <idosch@nvidia.com>, Vivien Didelot <vivien.didelot@gmail.com>, Eric Dumazet <edumazet@google.com>, linux-kselftest@vger.kernel.org, Roopa Prabhu <roopa@nvidia.com>, kuba@kernel.org, Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>, davem@davemloft.net

On 2022-07-08 11:15, Vladimir Oltean wrote:

> 
> Well, yes, but if I'm correct, the bridge right now can't create locked
> FDB entries, so is_locked will always be false in the ADD_TO_DEVICE
> direction.

The bridge can create locked FDB entries with this patch set. That is 
part of the idea that a SW bridge will have the same features as the HW 
version, so first I made it in the bridge.

> 
> 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.
>