netdev - Re: [PATCH net-next v1 1/2] ethtool: provide UAPI for PHY Signal Quality Index (SQI)

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Message-ID: <20200520045626.hlsthjgxjqsah7zz@pengutronix.de>
Date:   Wed, 20 May 2020 06:56:26 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Michal Kubecek <mkubecek@...e.cz>, Marek Vasut <marex@...x.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jonathan Corbet <corbet@....net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        mkl@...gutronix.de, kernel@...gutronix.de,
        David Jander <david@...tonic.nl>,
        Jakub Kicinski <kuba@...nel.org>,
        Christian Herber <christian.herber@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH net-next v1 1/2] ethtool: provide UAPI for PHY Signal
 Quality Index (SQI)

On Tue, May 19, 2020 at 04:03:48PM +0200, Andrew Lunn wrote:
> > --- a/net/ethtool/common.c
> > +++ b/net/ethtool/common.c
> > @@ -310,6 +310,16 @@ int __ethtool_get_link(struct net_device *dev)
> >  	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
> >  }
> >  
> > +int __ethtool_get_sqi(struct net_device *dev)
> > +{
> > +	struct phy_device *phydev = dev->phydev;
> > +
> > +	if (!phydev->drv->get_sqi)
> > +		return -EOPNOTSUPP;
> > +
> > +	return phydev->drv->get_sqi(phydev);
> > +}
> > +
> 
> You are only providing access via netlink ethtool? There is no ioctl
> method to get this.

ack

> If so, i wonder if common.c is the correct place
> for this, or if it should be moved into linkstate.c. You can then drop
> the __.

ok

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