linux-kernel - Re: [PATCH net-next 11/14] net: pse-pd: Add support for PSE device index

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Message-ID: <20250107171834.6e688a6b@kernel.org>
Date: Tue, 7 Jan 2025 17:18:34 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Kory Maincent <kory.maincent@...tlin.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>, Andrew Lunn
 <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <horms@...nel.org>, Donald Hunter <donald.hunter@...il.com>,
 Jonathan Corbet <corbet@....net>, Liam Girdwood <lgirdwood@...il.com>, Mark
 Brown <broonie@...nel.org>, Thomas Petazzoni
 <thomas.petazzoni@...tlin.com>, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, linux-doc@...r.kernel.org, Kyle Swenson
 <kyle.swenson@....tech>, Dent Project <dentproject@...uxfoundation.org>,
 kernel@...gutronix.de, Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH net-next 11/14] net: pse-pd: Add support for PSE device
 index

On Sat, 04 Jan 2025 23:27:36 +0100 Kory Maincent wrote:
> From: Kory Maincent (Dent Project) <kory.maincent@...tlin.com>
> 
> Add support for a PSE device index to report the PSE controller index to
> the user through ethtool. This will be useful for future support of power
> domains and port priority management.

Can you say more? How do the PSE controllers relate to netdevs?
ethtool is primarily driven by netdev / ifindex.
If you're starting to build your own object hierarchy you may be
better off with a separate genl family.