[PATCH] net: mvneta: implement ->ndo_do_ioctl() to support PHY ioctls

[gregory.clement@free-electrons.com (Gregory CLEMENT)]

On 04/09/2013 16:26, Thomas Petazzoni wrote:
> This commit implements the ->ndo_do_ioctl() operation so that the
> PHY-related ioctl() calls can work from userspace, which allows
> applications like mii-tool or mii-diag to do their job.
> 

I tested it successfully with mii-diag for the Armada 370 on Mirabox
and for the Armada XP on Open Blocks AX3-4

Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>


> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
>  drivers/net/ethernet/marvell/mvneta.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> index 90ab292..389a854 100644
> --- a/drivers/net/ethernet/marvell/mvneta.c
> +++ b/drivers/net/ethernet/marvell/mvneta.c
> @@ -2451,6 +2451,21 @@ static int mvneta_stop(struct net_device *dev)
>  	return 0;
>  }
>  
> +static int mvneta_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
> +{
> +	struct mvneta_port *pp = netdev_priv(dev);
> +	int ret;
> +
> +	if (!pp->phy_dev)
> +		return -ENOTSUPP;
> +
> +	ret = phy_mii_ioctl(pp->phy_dev, ifr, cmd);
> +	if (!ret)
> +		mvneta_adjust_link(dev);
> +
> +	return ret;
> +}
> +
>  /* Ethtool methods */
>  
>  /* Get settings (phy address, speed) for ethtools */
> @@ -2569,6 +2584,7 @@ static const struct net_device_ops mvneta_netdev_ops = {
>  	.ndo_change_mtu      = mvneta_change_mtu,
>  	.ndo_tx_timeout      = mvneta_tx_timeout,
>  	.ndo_get_stats64     = mvneta_get_stats64,
> +	.ndo_do_ioctl        = mvneta_ioctl,
>  };
>  
>  const struct ethtool_ops mvneta_eth_tool_ops = {
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com