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Date:   Sun, 10 May 2020 12:35:09 -0700
From:   Jakub Kicinski <>
To:     Andrew Lunn <>
Cc:     David Miller <>,
        netdev <>,
        Florian Fainelli <>,
        Heiner Kallweit <>,
        Chris Healy <>,
        Michal Kubecek <>
Subject: Re: [PATCH net-next v4 00/10] Ethernet Cable test support

On Sun, 10 May 2020 21:12:29 +0200 Andrew Lunn wrote:
> any copper Ethernet PHY have support for performing diagnostics of
> the cable. Are the cable shorted, broken, not plugged into anything at
> the other end? And they can report roughly how far along the cable any
> fault is.
> Add infrastructure in ethtool and phylib support for triggering a
> cable test and reporting the results. The Marvell 1G PHY driver is
> then extended to make use of this infrastructure.
> For testing, a modified ethtool(1) can be found here:
> feature/cable-test-v4. This also
> contains extra code for TDR dump, which will be added to the kernel in
> a later patch series.
> Thanks to Chris Healy for extensive testing.


Applied, I'll push out once builds are done (probably an hour).

Thank you!

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