1 files changed, 19 insertions, 0 deletions

diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index b132f542b44b..9fd45f3571f9 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -74,6 +74,25 @@ static inline struct vlan_dev_info *vlan_dev_info(const struct net_device *dev)
         return netdev_priv(dev);
 }
 
+static inline struct net_device *vlan_group_get_device(struct vlan_group *vg,
+                                                       u16 vlan_id)
+{
+        struct net_device **array;
+        array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
+        return array ? array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] : NULL;
+}
+
+static inline void vlan_group_set_device(struct vlan_group *vg,
+                                         u16 vlan_id,
+                                         struct net_device *dev)
+{
+        struct net_device **array;
+        if (!vg)
+                return;
+        array = vg->vlan_devices_arrays[vlan_id / VLAN_GROUP_ARRAY_PART_LEN];
+        array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
+}
+
 /* Must be invoked with rcu_read_lock or with RTNL. */
 static inline struct net_device *vlan_find_dev(struct net_device *real_dev,
                                                u16 vlan_id)