net/mlx5e: Report netdevice MPLS features

Set supported device features in the netdevice MPLS features mask.
This will enable HW checksumming and TSO for MPLS tagged traffic.
Signed-off-by: Ariel Levkovich <lariel@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -4624,6 +4624,11 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
 	netdev->vlan_features    |= NETIF_F_RXCSUM;
 	netdev->vlan_features    |= NETIF_F_RXHASH;
 
+	netdev->mpls_features    |= NETIF_F_SG;
+	netdev->mpls_features    |= NETIF_F_HW_CSUM;
+	netdev->mpls_features    |= NETIF_F_TSO;
+	netdev->mpls_features    |= NETIF_F_TSO6;
+
 	netdev->hw_enc_features  |= NETIF_F_HW_VLAN_CTAG_TX;
 	netdev->hw_enc_features  |= NETIF_F_HW_VLAN_CTAG_RX;