69 	struct vlan_info *vlan_info = rcu_dereference(dev->vlan_info);  in __vlan_find_dev_deep_rcu()  local
71 	if (vlan_info) {  in __vlan_find_dev_deep_rcu()
72 		return vlan_group_get_device(&vlan_info->grp,  in __vlan_find_dev_deep_rcu()
128 static void vlan_info_free(struct vlan_info *vlan_info)  in vlan_info_free()  argument
130 	vlan_group_free(&vlan_info->grp);  in vlan_info_free()
131 	kfree(vlan_info);  in vlan_info_free()
136 	vlan_info_free(container_of(rcu, struct vlan_info, rcu));  in vlan_info_rcu_free()
139 static struct vlan_info *vlan_info_alloc(struct net_device *dev)  in vlan_info_alloc()
141 	struct vlan_info *vlan_info;  in vlan_info_alloc()  local
143 	vlan_info = kzalloc(sizeof(struct vlan_info), GFP_KERNEL);  in vlan_info_alloc()
144 	if (!vlan_info)  in vlan_info_alloc()
147 	vlan_info->real_dev = dev;  in vlan_info_alloc()
148 	INIT_LIST_HEAD(&vlan_info->vid_list);  in vlan_info_alloc()
149 	return vlan_info;  in vlan_info_alloc()
171 static struct vlan_vid_info *vlan_vid_info_get(struct vlan_info *vlan_info,  in vlan_vid_info_get()  argument
176 	list_for_each_entry(vid_info, &vlan_info->vid_list, list) {  in vlan_vid_info_get()
196 static int __vlan_vid_add(struct vlan_info *vlan_info, __be16 proto, u16 vid,  in __vlan_vid_add()  argument
199 	struct net_device *dev = vlan_info->real_dev;  in __vlan_vid_add()
215 	list_add(&vid_info->list, &vlan_info->vid_list);  in __vlan_vid_add()
216 	vlan_info->nr_vids++;  in __vlan_vid_add()
223 	struct vlan_info *vlan_info;  in vlan_vid_add()  local
230 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_vid_add()
231 	if (!vlan_info) {  in vlan_vid_add()
232 		vlan_info = vlan_info_alloc(dev);  in vlan_vid_add()
233 		if (!vlan_info)  in vlan_vid_add()
237 	vid_info = vlan_vid_info_get(vlan_info, proto, vid);  in vlan_vid_add()
239 		err = __vlan_vid_add(vlan_info, proto, vid, &vid_info);  in vlan_vid_add()
246 		rcu_assign_pointer(dev->vlan_info, vlan_info);  in vlan_vid_add()
252 		kfree(vlan_info);  in vlan_vid_add()
257 static void __vlan_vid_del(struct vlan_info *vlan_info,  in __vlan_vid_del()  argument
260 	struct net_device *dev = vlan_info->real_dev;  in __vlan_vid_del()
275 	vlan_info->nr_vids--;  in __vlan_vid_del()
280 	struct vlan_info *vlan_info;  in vlan_vid_del()  local
285 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_vid_del()
286 	if (!vlan_info)  in vlan_vid_del()
289 	vid_info = vlan_vid_info_get(vlan_info, proto, vid);  in vlan_vid_del()
294 		__vlan_vid_del(vlan_info, vid_info);  in vlan_vid_del()
295 		if (vlan_info->nr_vids == 0) {  in vlan_vid_del()
296 			RCU_INIT_POINTER(dev->vlan_info, NULL);  in vlan_vid_del()
297 			call_rcu(&vlan_info->rcu, vlan_info_rcu_free);  in vlan_vid_del()
307 	struct vlan_info *vlan_info;  in vlan_vids_add_by_dev()  local
312 	vlan_info = rtnl_dereference(by_dev->vlan_info);  in vlan_vids_add_by_dev()
313 	if (!vlan_info)  in vlan_vids_add_by_dev()
316 	list_for_each_entry(vid_info, &vlan_info->vid_list, list) {  in vlan_vids_add_by_dev()
325 					     &vlan_info->vid_list,  in vlan_vids_add_by_dev()
338 	struct vlan_info *vlan_info;  in vlan_vids_del_by_dev()  local
342 	vlan_info = rtnl_dereference(by_dev->vlan_info);  in vlan_vids_del_by_dev()
343 	if (!vlan_info)  in vlan_vids_del_by_dev()
346 	list_for_each_entry(vid_info, &vlan_info->vid_list, list)  in vlan_vids_del_by_dev()
353 	struct vlan_info *vlan_info;  in vlan_uses_dev()  local
357 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_uses_dev()
358 	if (!vlan_info)  in vlan_uses_dev()
360 	return vlan_info->grp.nr_vlan_devs ? true : false;  in vlan_uses_dev()