net: vlan: rename NETIF_F_HW_VLAN_* feature flags to NETIF_F_HW_VLAN_CTAG_*

Rename the hardware VLAN acceleration features to include "CTAG" to indicate
that they only support CTAGs. Follow up patches will introduce 802.1ad
server provider tagging (STAGs) and require the distinction for hardware not
supporting acclerating both.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 9a1bc1a..86d5d79 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1793,16 +1793,17 @@
 	netdev_features_t changed = features ^ dev->features;
 	void __iomem *ioaddr = tp->mmio_addr;
 
-	if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)))
+	if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM |
+			 NETIF_F_HW_VLAN_CTAG_RX)))
 		return;
 
-	if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)) {
+	if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX)) {
 		if (features & NETIF_F_RXCSUM)
 			tp->cp_cmd |= RxChkSum;
 		else
 			tp->cp_cmd &= ~RxChkSum;
 
-		if (dev->features & NETIF_F_HW_VLAN_RX)
+		if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
 			tp->cp_cmd |= RxVlan;
 		else
 			tp->cp_cmd &= ~RxVlan;
@@ -7036,16 +7037,17 @@
 	/* don't enable SG, IP_CSUM and TSO by default - it might not work
 	 * properly for all devices */
 	dev->features |= NETIF_F_RXCSUM |
-		NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+		NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
 
 	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
-		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+		NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
+		NETIF_F_HW_VLAN_CTAG_RX;
 	dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
 		NETIF_F_HIGHDMA;
 
 	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
 		/* 8110SCd requires hardware Rx VLAN - disallow toggling */
-		dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
+		dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
 
 	dev->hw_features |= NETIF_F_RXALL;
 	dev->hw_features |= NETIF_F_RXFCS;