+static void vlan_transfer_features(struct net_device *dev,
+ struct net_device *vlandev)
+{
+ unsigned long old_features = vlandev->features;
+
+ vlandev->features &= ~dev->vlan_features;
+ vlandev->features |= dev->features & dev->vlan_features;
+
+ if (old_features != vlandev->features)
+ netdev_features_change(vlandev);
+}
+
+static void __vlan_device_event(struct net_device *dev, unsigned long event)
+{
+ switch (event) {
+ case NETDEV_CHANGENAME:
+ vlan_proc_rem_dev(dev);
+ if (vlan_proc_add_dev(dev) < 0)
+ pr_warning("8021q: failed to change proc name for %s\n",
+ dev->name);
+ break;
+ case NETDEV_REGISTER:
+ if (vlan_proc_add_dev(dev) < 0)
+ pr_warning("8021q: failed to add proc entry for %s\n",
+ dev->name);
+ break;
+ case NETDEV_UNREGISTER:
+ vlan_proc_rem_dev(dev);
+ break;
+ }
+}
+