linux-kernel - Re: [PATCH net-next v2 00/12] net: phy_port: SFP modules representation and phy

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Message-ID: <20260129195955.3bbff4fd@kernel.org>
Date: Thu, 29 Jan 2026 19:59:55 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, Andrew Lunn <andrew@...n.ch>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Russell King
 <linux@...linux.org.uk>, Heiner Kallweit <hkallweit1@...il.com>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 thomas.petazzoni@...tlin.com, Christophe Leroy
 <christophe.leroy@...roup.eu>, Herve Codina <herve.codina@...tlin.com>,
 Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean
 <vladimir.oltean@....com>, Köry Maincent
 <kory.maincent@...tlin.com>, Marek Behún <kabel@...nel.org>,
 Oleksij Rempel <o.rempel@...gutronix.de>, Nicolò Veronese
 <nicveronese@...il.com>, Simon Horman <horms@...nel.org>,
 mwojtas@...omium.org, Romain Gantois <romain.gantois@...tlin.com>, Daniel
 Golle <daniel@...rotopia.org>, Dimitri Fedrau <dimitri.fedrau@...bherr.com>
Subject: Re: [PATCH net-next v2 00/12] net: phy_port: SFP modules
 representation and phy_port listing

On Wed, 28 Jan 2026 21:45:13 +0100 Maxime Chevallier wrote:
> Here's V2 of the second phy_port series, this time bringing support for
> more phy_port use especially for SFP, as well as the beggining of a
> ethnl uAPI. That's a quick repost, but with the build issues and AI
> review, I think it's worth getting this version out there for review.
> 
> It builds on the recent addition of phy_port representation to enable
> listing the front-facing ports of an interface. For now, we don't control
> these ports, we merely list their presence and their capabilities.
> 
> As the most common use-case of multi-port interfaces is combo-ports that
> provide both RJ45 and SFP connectors on a single MAC, there's a lot of
> SFP stuff in this series.
> 
> This series is in 2 main parts. The first one aims at representing the
> SFP cages and modules using phy_port, as combo-ports with RJ45 + SFP are
> by far the most common cases for multi-connector setups.
> 
> The second part is the netlink interface to list those ports, now that
> most use-cases are covered.

I'll send out the AI code review. The one on patch 9 looks plausible,
not sure about the rest. LMK if none of them in fact make sense.