ll_temac: Add support for ethtool

This patch enables the ethtool interface. The implementation is done
using the libphy helper functions.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/xilinx/ll_temac_main.c

@@ -955,6 +955,32 @@ static const struct attribute_group temac_attr_group = {
 	.attrs = temac_device_attrs,
 };
 
+/* ethtool support */
+static int temac_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
+{
+	struct temac_local *lp = netdev_priv(ndev);
+	return phy_ethtool_gset(lp->phy_dev, cmd);
+}
+
+static int temac_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd)
+{
+	struct temac_local *lp = netdev_priv(ndev);
+	return phy_ethtool_sset(lp->phy_dev, cmd);
+}
+
+static int temac_nway_reset(struct net_device *ndev)
+{
+	struct temac_local *lp = netdev_priv(ndev);
+	return phy_start_aneg(lp->phy_dev);
+}
+
+static const struct ethtool_ops temac_ethtool_ops = {
+	.get_settings = temac_get_settings,
+	.set_settings = temac_set_settings,
+	.nway_reset = temac_nway_reset,
+	.get_link = ethtool_op_get_link,
+};
+
 static int __devinit temac_of_probe(struct platform_device *op)
 {
 	struct device_node *np;
@@ -976,6 +1002,7 @@ static int __devinit temac_of_probe(struct platform_device *op)
 	ndev->flags &= ~IFF_MULTICAST;  /* clear multicast */
 	ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST;
 	ndev->netdev_ops = &temac_netdev_ops;
+	ndev->ethtool_ops = &temac_ethtool_ops;
 #if 0
 	ndev->features |= NETIF_F_IP_CSUM; /* Can checksum TCP/UDP over IPv4. */
 	ndev->features |= NETIF_F_HW_CSUM; /* Can checksum all the packets. */