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

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Message-ID: <598a828a-2c29-49d2-8e33-11c8748e3202@bootlin.com>
Date: Fri, 30 Jan 2026 09:21:51 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: Jakub Kicinski <kuba@...nel.org>
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

Hi Jakub,

On 30/01/2026 04:59, Jakub Kicinski wrote:
> 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.

Thanks, I'll look carefully into that :)

Maxime