qlcnic: Check FW capability for TSO

Driver checks TSO capability from FW before enabling it.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/qlcnic/qlcnic.h

@@ -821,9 +821,10 @@ struct qlcnic_nic_intr_coalesce {
 #define QLCNIC_LRO_REQUEST_CLEANUP	4
 
 /* Capabilites received */
-#define QLCNIC_FW_CAPABILITY_BDG		(1 << 8)
-#define QLCNIC_FW_CAPABILITY_FVLANTX		(1 << 9)
-#define QLCNIC_FW_CAPABILITY_HW_LRO		(1 << 10)
+#define QLCNIC_FW_CAPABILITY_TSO		BIT_1
+#define QLCNIC_FW_CAPABILITY_BDG		BIT_8
+#define QLCNIC_FW_CAPABILITY_FVLANTX		BIT_9
+#define QLCNIC_FW_CAPABILITY_HW_LRO		BIT_10
 
 /* module types */
 #define LINKEVENT_MODULE_NOT_PRESENT			1

drivers/net/qlcnic/qlcnic_ethtool.c

@@ -820,6 +820,9 @@ static u32 qlcnic_get_tso(struct net_device *dev)
 
 static int qlcnic_set_tso(struct net_device *dev, u32 data)
 {
+	struct qlcnic_adapter *adapter = netdev_priv(dev);
+	if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO))
+		return -EOPNOTSUPP;
 	if (data)
 		dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
 	else

drivers/net/qlcnic/qlcnic_main.c

@@ -1226,10 +1226,14 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
 	SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
 
 	netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
-		NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6);
-
+		NETIF_F_IPV6_CSUM | NETIF_F_GRO);
 	netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM |
-		NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6);
+		NETIF_F_IPV6_CSUM);
+
+	if (adapter->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
+		netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
+		netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
+	}
 
 	if (pci_using_dac) {
 		netdev->features |= NETIF_F_HIGHDMA;