1 files changed, 27 insertions, 9 deletions

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 60f7ee5fafbe..d0ed5694dd7d 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -46,16 +46,18 @@ struct macvtap_queue {
 	struct list_head next;
 };
 
-#define MACVTAP_FEATURES (IFF_VNET_HDR | IFF_VNET_LE | IFF_MULTI_QUEUE)
+#define MACVTAP_FEATURES (IFF_VNET_HDR | IFF_MULTI_QUEUE)
+
+#define MACVTAP_VNET_LE 0x80000000
 
 static inline u16 macvtap16_to_cpu(struct macvtap_queue *q, __virtio16 val)
 {
-	return __virtio16_to_cpu(q->flags & IFF_VNET_LE, val);
+	return __virtio16_to_cpu(q->flags & MACVTAP_VNET_LE, val);
 }
 
 static inline __virtio16 cpu_to_macvtap16(struct macvtap_queue *q, u16 val)
 {
-	return __cpu_to_virtio16(q->flags & IFF_VNET_LE, val);
+	return __cpu_to_virtio16(q->flags & MACVTAP_VNET_LE, val);
 }
 
 static struct proto macvtap_proto = {
@@ -643,7 +645,7 @@ static void macvtap_skb_to_vnet_hdr(struct macvtap_queue *q,
 
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
-		if (vlan_tx_tag_present(skb))
+		if (skb_vlan_tag_present(skb))
 			vnet_hdr->csum_start = cpu_to_macvtap16(q,
 				skb_checksum_start_offset(skb) + VLAN_HLEN);
 		else
@@ -819,13 +821,13 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
 	total = vnet_hdr_len;
 	total += skb->len;
 
-	if (vlan_tx_tag_present(skb)) {
+	if (skb_vlan_tag_present(skb)) {
 		struct {
 			__be16 h_vlan_proto;
 			__be16 h_vlan_TCI;
 		} veth;
 		veth.h_vlan_proto = skb->vlan_proto;
-		veth.h_vlan_TCI = htons(vlan_tx_tag_get(skb));
+		veth.h_vlan_TCI = htons(skb_vlan_tag_get(skb));
 
 		vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto);
 		total += VLAN_HLEN;
@@ -999,7 +1001,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
 	void __user *argp = (void __user *)arg;
 	struct ifreq __user *ifr = argp;
 	unsigned int __user *up = argp;
-	unsigned int u;
+	unsigned short u;
 	int __user *sp = argp;
 	int s;
 	int ret;
@@ -1014,7 +1016,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
 		if ((u & ~MACVTAP_FEATURES) != (IFF_NO_PI | IFF_TAP))
 			ret = -EINVAL;
 		else
-			q->flags = u;
+			q->flags = (q->flags & ~MACVTAP_FEATURES) | u;
 
 		return ret;
 
@@ -1027,8 +1029,9 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
 		}
 
 		ret = 0;
+		u = q->flags;
 		if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) ||
-		    put_user(q->flags, &ifr->ifr_flags))
+		    put_user(u, &ifr->ifr_flags))
 			ret = -EFAULT;
 		macvtap_put_vlan(vlan);
 		rtnl_unlock();
@@ -1069,6 +1072,21 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
 		q->vnet_hdr_sz = s;
 		return 0;
 
+	case TUNGETVNETLE:
+		s = !!(q->flags & MACVTAP_VNET_LE);
+		if (put_user(s, sp))
+			return -EFAULT;
+		return 0;
+
+	case TUNSETVNETLE:
+		if (get_user(s, sp))
+			return -EFAULT;
+		if (s)
+			q->flags |= MACVTAP_VNET_LE;
+		else
+			q->flags &= ~MACVTAP_VNET_LE;
+		return 0;
+
 	case TUNSETOFFLOAD:
 		/* let the user check for future flags */
 		if (arg & ~(TUN_F_CSUM | TUN_F_TSO4 | TUN_F_TSO6 |