IPoIB: Add basic ethtool support

Just add the infrastructure so we can add functionality later.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 35a3643..bd07f02 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -951,6 +951,8 @@
 	dev->set_multicast_list	 = ipoib_set_mcast_list;
 	dev->neigh_setup	 = ipoib_neigh_setup_dev;
 
+	ipoib_set_ethtool_ops(dev);
+
 	netif_napi_add(dev, &priv->napi, ipoib_poll, 100);
 
 	dev->watchdog_timeo	 = HZ;