71 	struct vlan_info *vlan_info = rcu_dereference(dev->vlan_info);  in __vlan_find_dev_deep_rcu()  local
73 	if (vlan_info) {  in __vlan_find_dev_deep_rcu()
74 		return vlan_group_get_device(&vlan_info->grp,  in __vlan_find_dev_deep_rcu()
130 static void vlan_info_free(struct vlan_info *vlan_info)  in vlan_info_free()  argument
132 	vlan_group_free(&vlan_info->grp);  in vlan_info_free()
133 	kfree(vlan_info);  in vlan_info_free()
138 	vlan_info_free(container_of(rcu, struct vlan_info, rcu));  in vlan_info_rcu_free()
141 static struct vlan_info *vlan_info_alloc(struct net_device *dev)  in vlan_info_alloc()
143 	struct vlan_info *vlan_info;  in vlan_info_alloc()  local
145 	vlan_info = kzalloc(sizeof(struct vlan_info), GFP_KERNEL);  in vlan_info_alloc()
146 	if (!vlan_info)  in vlan_info_alloc()
149 	vlan_info->real_dev = dev;  in vlan_info_alloc()
150 	INIT_LIST_HEAD(&vlan_info->vid_list);  in vlan_info_alloc()
151 	return vlan_info;  in vlan_info_alloc()
173 static struct vlan_vid_info *vlan_vid_info_get(struct vlan_info *vlan_info,  in vlan_vid_info_get()  argument
178 	list_for_each_entry(vid_info, &vlan_info->vid_list, list) {  in vlan_vid_info_get()
198 static int __vlan_vid_add(struct vlan_info *vlan_info, __be16 proto, u16 vid,  in __vlan_vid_add()  argument
201 	struct net_device *dev = vlan_info->real_dev;  in __vlan_vid_add()
220 	list_add(&vid_info->list, &vlan_info->vid_list);  in __vlan_vid_add()
221 	vlan_info->nr_vids++;  in __vlan_vid_add()
228 	struct vlan_info *vlan_info;  in vlan_vid_add()  local
235 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_vid_add()
236 	if (!vlan_info) {  in vlan_vid_add()
237 		vlan_info = vlan_info_alloc(dev);  in vlan_vid_add()
238 		if (!vlan_info)  in vlan_vid_add()
242 	vid_info = vlan_vid_info_get(vlan_info, proto, vid);  in vlan_vid_add()
244 		err = __vlan_vid_add(vlan_info, proto, vid, &vid_info);  in vlan_vid_add()
251 		rcu_assign_pointer(dev->vlan_info, vlan_info);  in vlan_vid_add()
257 		kfree(vlan_info);  in vlan_vid_add()
262 static void __vlan_vid_del(struct vlan_info *vlan_info,  in __vlan_vid_del()  argument
265 	struct net_device *dev = vlan_info->real_dev;  in __vlan_vid_del()
283 	vlan_info->nr_vids--;  in __vlan_vid_del()
288 	struct vlan_info *vlan_info;  in vlan_vid_del()  local
293 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_vid_del()
294 	if (!vlan_info)  in vlan_vid_del()
297 	vid_info = vlan_vid_info_get(vlan_info, proto, vid);  in vlan_vid_del()
302 		__vlan_vid_del(vlan_info, vid_info);  in vlan_vid_del()
303 		if (vlan_info->nr_vids == 0) {  in vlan_vid_del()
304 			RCU_INIT_POINTER(dev->vlan_info, NULL);  in vlan_vid_del()
305 			call_rcu(&vlan_info->rcu, vlan_info_rcu_free);  in vlan_vid_del()
315 	struct vlan_info *vlan_info;  in vlan_vids_add_by_dev()  local
320 	vlan_info = rtnl_dereference(by_dev->vlan_info);  in vlan_vids_add_by_dev()
321 	if (!vlan_info)  in vlan_vids_add_by_dev()
324 	list_for_each_entry(vid_info, &vlan_info->vid_list, list) {  in vlan_vids_add_by_dev()
333 					     &vlan_info->vid_list,  in vlan_vids_add_by_dev()
346 	struct vlan_info *vlan_info;  in vlan_vids_del_by_dev()  local
350 	vlan_info = rtnl_dereference(by_dev->vlan_info);  in vlan_vids_del_by_dev()
351 	if (!vlan_info)  in vlan_vids_del_by_dev()
354 	list_for_each_entry(vid_info, &vlan_info->vid_list, list)  in vlan_vids_del_by_dev()
361 	struct vlan_info *vlan_info;  in vlan_uses_dev()  local
365 	vlan_info = rtnl_dereference(dev->vlan_info);  in vlan_uses_dev()
366 	if (!vlan_info)  in vlan_uses_dev()
368 	return vlan_info->grp.nr_vlan_devs ? true : false;  in vlan_uses_dev()