net: rename vlan_tx_* helpers since "tx" is misleading there

The same macros are used for rx as well. So rename it.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 8054561..1e325ad 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2578,7 +2578,7 @@
 	if (skb->encapsulation)
 		features &= dev->hw_enc_features;
 
-	if (!vlan_tx_tag_present(skb)) {
+	if (!skb_vlan_tag_present(skb)) {
 		if (unlikely(protocol == htons(ETH_P_8021Q) ||
 			     protocol == htons(ETH_P_8021AD))) {
 			struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
@@ -2659,7 +2659,7 @@
 static struct sk_buff *validate_xmit_vlan(struct sk_buff *skb,
 					  netdev_features_t features)
 {
-	if (vlan_tx_tag_present(skb) &&
+	if (skb_vlan_tag_present(skb) &&
 	    !vlan_hw_offload_capable(features, skb->vlan_proto))
 		skb = __vlan_hwaccel_push_inside(skb);
 	return skb;
@@ -3676,7 +3676,7 @@
 	if (pfmemalloc && !skb_pfmemalloc_protocol(skb))
 		goto drop;
 
-	if (vlan_tx_tag_present(skb)) {
+	if (skb_vlan_tag_present(skb)) {
 		if (pt_prev) {
 			ret = deliver_skb(skb, pt_prev, orig_dev);
 			pt_prev = NULL;
@@ -3708,8 +3708,8 @@
 		}
 	}
 
-	if (unlikely(vlan_tx_tag_present(skb))) {
-		if (vlan_tx_tag_get_id(skb))
+	if (unlikely(skb_vlan_tag_present(skb))) {
+		if (skb_vlan_tag_get_id(skb))
 			skb->pkt_type = PACKET_OTHERHOST;
 		/* Note: we might in the future use prio bits
 		 * and set skb->priority like in vlan_do_receive()