From: Andrew Lunn <andrew@lunn.ch>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Marek Vasut <marex@denx.de>,
David Jander <david@protonic.nl>
Subject: Re: [PATCH net-next v1] net: phy: tja11xx: execute cable test on link up
Date: Fri, 15 May 2020 19:56:34 +0200 [thread overview]
Message-ID: <20200515175634.GD499265@lunn.ch> (raw)
In-Reply-To: <20200514194218.22011-1-o.rempel@pengutronix.de>
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 <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2020-05-15 17:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-14 19:42 [PATCH net-next v1] net: phy: tja11xx: execute cable test on link up Oleksij Rempel
2020-05-15 17:56 ` Andrew Lunn [this message]
2020-05-15 18:03 ` David Miller
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