net/mlx5e: Allow vlans on e-switch uplink reps

There are cases (e.g tunneling with vlan on underlay and potentially
more) where this makes sense, so allow that.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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

@@ -1381,7 +1381,7 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
 
 	netdev->switchdev_ops = &mlx5e_rep_switchdev_ops;
 
-	netdev->features	 |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
+	netdev->features	 |= NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
 	netdev->hw_features      |= NETIF_F_HW_TC;
 
 	netdev->hw_features    |= NETIF_F_SG;
@@ -1392,6 +1392,9 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
 	netdev->hw_features    |= NETIF_F_TSO6;
 	netdev->hw_features    |= NETIF_F_RXCSUM;
 
+	if (rep->vport != FDB_UPLINK_VPORT)
+		netdev->features |= NETIF_F_VLAN_CHALLENGED;
+
 	netdev->features |= netdev->hw_features;
 }