net/mlx4_en: Notify TX Vlan offload change

shamoya · davem330 · commit cfb53f36a5b5 · 2015-02-04T16:17:46.000-08:00
Notify users when TX vlan offload feature changed with ethtool.
Relevant command - ethtool -K &lt;eth&gt; txvlan on/off.

Signed-off-by: Ido Shamay &lt;idos@mellanox.com&gt;
Signed-off-by: Amir Vadai &lt;amirv@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2202,6 +2202,10 @@ static int mlx4_en_set_features(struct net_device *netdev,
 			return ret;
 	}
 
+	if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_TX))
+		en_info(priv, "Turn %s TX vlan strip offload\n",
+			(features & NETIF_F_HW_VLAN_CTAG_TX) ? "ON" : "OFF");
+
 	if (features & NETIF_F_LOOPBACK)
 		priv->ctrl_flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);
 	else
