1 files changed, 35 insertions, 11 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index e45187b88220..9a6df8c1daf9 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -23,7 +23,6 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/rculist.h>
-#include <net/p8022.h>
 #include <net/arp.h>
 #include <linux/rtnetlink.h>
 #include <linux/notifier.h>
@@ -131,7 +130,8 @@ int vlan_check_real_dev(struct net_device *real_dev,
 {
 	const char *name = real_dev->name;
 
-	if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {
+	if (real_dev->features & NETIF_F_VLAN_CHALLENGED ||
+	    real_dev->type != ARPHRD_ETHER) {
 		pr_info("VLANs not supported on %s\n", name);
 		NL_SET_ERR_MSG_MOD(extack, "VLANs not supported on device");
 		return -EOPNOTSUPP;
@@ -357,6 +357,35 @@ static int __vlan_device_event(struct net_device *dev, unsigned long event)
 	return err;
 }
 
+static void vlan_vid0_add(struct net_device *dev)
+{
+	struct vlan_info *vlan_info;
+	int err;
+
+	if (!(dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
+		return;
+
+	pr_info("adding VLAN 0 to HW filter on device %s\n", dev->name);
+
+	err = vlan_vid_add(dev, htons(ETH_P_8021Q), 0);
+	if (err)
+		return;
+
+	vlan_info = rtnl_dereference(dev->vlan_info);
+	vlan_info->auto_vid0 = true;
+}
+
+static void vlan_vid0_del(struct net_device *dev)
+{
+	struct vlan_info *vlan_info = rtnl_dereference(dev->vlan_info);
+
+	if (!vlan_info || !vlan_info->auto_vid0)
+		return;
+
+	vlan_info->auto_vid0 = false;
+	vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
+}
+
 static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			     void *ptr)
 {
@@ -378,15 +407,10 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 			return notifier_from_errno(err);
 	}
 
-	if ((event == NETDEV_UP) &&
-	    (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) {
-		pr_info("adding VLAN 0 to HW filter on device %s\n",
-			dev->name);
-		vlan_vid_add(dev, htons(ETH_P_8021Q), 0);
-	}
-	if (event == NETDEV_DOWN &&
-	    (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
-		vlan_vid_del(dev, htons(ETH_P_8021Q), 0);
+	if (event == NETDEV_UP)
+		vlan_vid0_add(dev);
+	else if (event == NETDEV_DOWN)
+		vlan_vid0_del(dev);
 
 	vlan_info = rtnl_dereference(dev->vlan_info);
 	if (!vlan_info)