net: hns: add support for vlan TSO

The hip07 chip support vlan TSO, this patch adds NETIF_F_TSO
and NETIF_F_TSO6 flags to vlan_features to improve the
performance after adding vlan to the net ports.
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns/hns_enet.c

@@ -2370,6 +2370,7 @@ static int hns_nic_dev_probe(struct platform_device *pdev)
 		ndev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
 			NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO |
 			NETIF_F_GRO | NETIF_F_TSO | NETIF_F_TSO6;
+		ndev->vlan_features |= NETIF_F_TSO | NETIF_F_TSO6;
 		ndev->max_mtu = MAC_MAX_MTU_V2 -
 				(ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN);
 		break;