linux-kernel - Re: [PATCH net-next v3 10/11] netlink: specs: Add ethernet port listing with ethtool

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Message-ID: <c4fa6923-1a80-4bf4-9dfd-eb5a77cf6532@bootlin.com>
Date: Tue, 3 Feb 2026 19:14:35 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: Simon Horman <horms@...nel.org>
Cc: davem@...emloft.net, Andrew Lunn <andrew@...n.ch>,
 Jakub Kicinski <kuba@...nel.org>, 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>,
 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 v3 10/11] netlink: specs: Add ethernet port
 listing with ethtool

Hi Simon,

On 03/02/2026 18:55, Simon Horman wrote:
> On Sun, Feb 01, 2026 at 04:12:47PM +0100, Maxime Chevallier wrote:
> 
> ...
> 
>> diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
>> index af56c304cef4..3e673755800b 100644
>> --- a/Documentation/networking/ethtool-netlink.rst
>> +++ b/Documentation/networking/ethtool-netlink.rst
>> @@ -2522,6 +2522,40 @@ Within each channel nest, only the metrics supported by the PHY will be present.
>>  See ``struct phy_mse_snapshot`` kernel documentation in
>>  ``include/linux/phy.h``.
>>  
>> +PORT_GET
>> +========
>> +
>> +Retrieve information about the physical connection points of a network device,
>> +referred to as "ports". User needs to specify a PORT_ID for the DO operation,
>> +in which case the DO request returns information about that specific port.
>> +
>> +As there can be more than one port, the DUMP operation can be used to list the
>> +ports present on a given interface, by passing an interface index or name in
>> +the dump request.
>> +
>> +Request contents:
>> +
>> +====================================  ======  =================================
> 
> Hi Maxime,
> 
> make htmldocs complains that "Bottom/header table border does not match top
> border.".

Ah indeed ! I'll address this in V5 then. Thank you for the report !

Maxime