Re: [PATCH net-next v3 2/3] net: ethtool: Add impedance mismatch result code to cable test

[Andrew Lunn]

On Tue, Apr 02, 2024 at 10:11:19PM +0200, Pawel Dembicki wrote:
> Some PHYs can recognize during a cable test if the impedance in the cable
> is okay. They can detect reflections caused by impedance discontinuity
> between a regular 100 Ohm cable and an abnormal part with a higher or
> lower impedance.
> 
> This commit introduces a new result code:
> ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH,
> which represents the results of a cable test indicating issues with
> impedance integrity.
> 
> Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew