netdev - Re: [PATCH net-next v2 1/3] ethtool: Extend cable testing interface with result source information

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Message-ID: <726c54ef-0a1b-4307-be1c-dee8b578b50c@lunn.ch>
Date: Tue, 20 Aug 2024 18:40:22 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Jonathan Corbet <corbet@....net>, kernel@...gutronix.de,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH net-next v2 1/3] ethtool: Extend cable testing interface
 with result source information

On Tue, Aug 20, 2024 at 12:12:54PM +0200, Oleksij Rempel wrote:
> Extend the ethtool netlink cable testing interface by adding support for
> specifying the source of cable testing results. This allows users to
> differentiate between results obtained through different diagnostic
> methods.
> 
> For example, some TI 10BaseT1L PHYs provide two variants of cable
> diagnostics: Time Domain Reflectometry (TDR) and Active Link Cable
> Diagnostic (ALCD). By introducing `ETHTOOL_A_CABLE_RESULT_SRC` and
> `ETHTOOL_A_CABLE_FAULT_LENGTH_SRC` attributes, this update enables
> drivers to indicate whether the result was derived from TDR or ALCD,
> improving the clarity and utility of diagnostic information.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew