net: ethoc: implement basic ethtool operations

The following methods are implemented:
- get link state (standard implementation);
- get timestamping info (standard implementation).

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ethoc.c

@@ -890,6 +890,11 @@ out:
 	return NETDEV_TX_OK;
 }
 
+const struct ethtool_ops ethoc_ethtool_ops = {
+	.get_link = ethtool_op_get_link,
+	.get_ts_info = ethtool_op_get_ts_info,
+};
+
 static const struct net_device_ops ethoc_netdev_ops = {
 	.ndo_open = ethoc_open,
 	.ndo_stop = ethoc_stop,
@@ -1111,6 +1116,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	netdev->netdev_ops = &ethoc_netdev_ops;
 	netdev->watchdog_timeo = ETHOC_TIMEOUT;
 	netdev->features |= 0;
+	netdev->ethtool_ops = &ethoc_ethtool_ops;
 
 	/* setup NAPI */
 	netif_napi_add(netdev, &priv->napi, ethoc_poll, 64);