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From: Andrew Lunn <andrew@lunn.ch>
To: Igor Russkikh <Igor.Russkikh@aquantia.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	Dmitry Bezrukov <Dmitry.Bezrukov@aquantia.com>
Subject: [net-next,18/19] net: usb: aqc111: Implement get/set_link_ksettings callbacks
Date: Sat, 6 Oct 2018 19:38:47 +0200	[thread overview]
Message-ID: <20181006173847.GF6990@lunn.ch> (raw)

> +static int aqc111_set_link_ksettings(struct net_device *net,
> +				     const struct ethtool_link_ksettings *elk)
> +{
> +	struct usbnet *dev = netdev_priv(net);
> +	enum usb_device_speed usb_speed = dev->udev->speed;
> +	struct aqc111_data *aqc111_data = (struct aqc111_data *)dev->data[0];
> +	u32 speed = elk->base.speed;
> +	u8 autoneg = elk->base.autoneg;
> +
> +	if (autoneg == AUTONEG_ENABLE) {
> +		if (aqc111_data->autoneg != AUTONEG_ENABLE) {
> +			aqc111_data->autoneg = AUTONEG_ENABLE;
> +			aqc111_data->advertised_speed =
> +					(usb_speed == USB_SPEED_SUPER) ?
> +					 SPEED_5000 : SPEED_1000;
> +			aqc111_set_phy_speed(dev, aqc111_data->autoneg,
> +					     aqc111_data->advertised_speed);
> +		}
> +	} else {
> +		if (speed != SPEED_100 &&
> +		    speed != SPEED_1000 &&
> +		    speed != SPEED_2500 &&
> +		    speed != SPEED_5000 &&
> +		    speed != SPEED_UNKNOWN)
> +			return -EINVAL;
> +
> +		if (usb_speed != USB_SPEED_SUPER && speed > SPEED_1000)
> +			return -EINVAL;
> +

Hi Igor

Maybe you are missing a check for duplex here?

> +		aqc111_data->autoneg = AUTONEG_DISABLE;
> +		if (speed != SPEED_UNKNOWN)
> +			aqc111_data->advertised_speed = speed;
> +
> +		aqc111_set_phy_speed(dev, aqc111_data->autoneg,
> +				     aqc111_data->advertised_speed);
> +	}
> +
> +	return 0;
> +}
> +

             reply	other threads:[~2018-10-06 17:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-06 17:38 Andrew Lunn [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-10-08 14:18 [net-next,18/19] net: usb: aqc111: Implement get/set_link_ksettings callbacks Oliver Neukum
2018-10-05 10:25 Igor Russkikh

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