netdev - Re: [PATCH net-next v1] net: phy: tja11xx: execute cable test on link up

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200515175634.GD499265@lunn.ch>
Date:   Fri, 15 May 2020 19:56:34 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Marek Vasut <marex@...x.de>, David Jander <david@...tonic.nl>
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 <o.rempel@...gutronix.de>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew