netdev - Re: [PATCH net-next v4 00/10] Ethernet Cable test support

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Message-ID: <20200510123509.07dbf9e2@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Sun, 10 May 2020 12:35:09 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Chris Healy <cphealy@...il.com>,
        Michal Kubecek <mkubecek@...e.cz>
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:
> https://github.com/lunn/ethtool.git 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!