On Thu, 2012-10-04 at 20:14 +0200, Michal Simek wrote:
> Allow user to access the MDIO from userspace.
>
> Signed-off-by: Michal Simek <[email protected]>
> CC: Anirudha Sarangi <[email protected]>
> CC: John Linn <[email protected]>
> CC: Grant Likely <[email protected]>
> CC: Rob Herring <[email protected]>
> CC: David S. Miller <[email protected]>
> ---
> drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 15 +++++++++++++++
> 1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> index 50167ab..a5b41cd 100644
> --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
> @@ -1053,6 +1053,20 @@ static void axienet_poll_controller(struct net_device
> *ndev)
> }
> #endif
>
> +/* Ioctl MII Interface */
> +static int axienet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
> +{
> + struct axienet_local *priv = netdev_priv(dev);
> +
> + if (!netif_running(dev))
> + return -EINVAL;
Not sure this is the appropriate error code.
> + if (!priv->phy_dev)
> + return -ENODEV;
Error code should be EOPNOTSUPP - the device is present but just doesn't
support MDIO.
Ben.
> + return phy_mii_ioctl(priv->phy_dev, rq, cmd);
> +}
> +
> static const struct net_device_ops axienet_netdev_ops = {
> .ndo_open = axienet_open,
> .ndo_stop = axienet_stop,
> @@ -1061,6 +1075,7 @@ static const struct net_device_ops axienet_netdev_ops =
> {
> .ndo_set_mac_address = netdev_set_mac_address,
> .ndo_validate_addr = eth_validate_addr,
> .ndo_set_rx_mode = axienet_set_multicast_list,
> + .ndo_do_ioctl = axienet_ioctl,
> #ifdef CONFIG_NET_POLL_CONTROLLER
> .ndo_poll_controller = axienet_poll_controller,
> #endif
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
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