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Date:   Fri, 15 May 2020 19:56:34 +0200
From:   Andrew Lunn <>
To:     Oleksij Rempel <>
Cc:     Florian Fainelli <>,
        Heiner Kallweit <>,
        Pengutronix Kernel Team <>,,
        "David S. Miller" <>,,
        Marek Vasut <>, David Jander <>
Subject: Re: [PATCH net-next v1] net: phy: tja11xx: execute cable test on
 link up

On Thu, May 14, 2020 at 09:42:18PM +0200, Oleksij Rempel wrote:
> A typical 100Base-T1 link should be always connected. If the link is in
> a shot or open state, it is a failure. In most cases, we won't be able
> to automatically handle this issue, but we need to log it or notify user
> (if possible).
> With this patch, the cable will be tested on "ip l s dev .. up" attempt
> and send ethnl notification to the user space.
> This patch was tested with TJA1102 PHY and "ethtool --monitor" command.
> Signed-off-by: Oleksij Rempel <>

Reviewed-by: Andrew Lunn <>


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