Re: [PATCH ethtool v2] ethtool: add support for ETHTOOL_A_CABLE_FAULT_LENGTH_SRC and ETHTOOL_A_CABLE_RESULT_SRC

[Oleksij Rempel <o.rempel@pengutronix.de>]

Sorry, I forgot to add ethtool notation to the subject.

On Thu, Nov 28, 2024 at 10:01:11AM +0100, Oleksij Rempel wrote:
> Extend cable test output to include source information, supporting
> diagnostic technologies like TDR (Time Domain Reflectometry) and ALCD
> (Active Link Cable Diagnostic). The source is displayed optionally at
> the end of each result or fault length line.
> 
> TDR requires interrupting the active link to measure parameters like
> fault location, while ALCD can operate on an active link to provide
> details like cable length without disruption.
> 
> Example output:
> Pair B code Open Circuit, source: TDR
> Pair B, fault length: 8.00m, source: TDR
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>

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