net/ieee802154/core.c

70 	struct cfg802154_registered_device *result = NULL, *rdev;
74 	list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
75 		if (rdev->wpan_phy_idx == wpan_phy_idx) {
76 			result = rdev;
86 	struct cfg802154_registered_device *rdev;
90 	rdev = cfg802154_rdev_by_wpan_phy_idx(wpan_phy_idx);
91 	if (!rdev)
93 	return &rdev->wpan_phy;
100 	struct cfg802154_registered_device *rdev;
103 	alloc_size = sizeof(*rdev) + priv_size;
104 	rdev = kzalloc(alloc_size, GFP_KERNEL);
105 	if (!rdev)
108 	rdev->ops = ops;
110 	rdev->wpan_phy_idx = atomic_inc_return(&wpan_phy_counter);
112 	if (unlikely(rdev->wpan_phy_idx < 0)) {
115 		kfree(rdev);
120 	rdev->wpan_phy_idx--;
122 	INIT_LIST_HEAD(&rdev->wpan_dev_list);
123 	device_initialize(&rdev->wpan_phy.dev);
124 	dev_set_name(&rdev->wpan_phy.dev, PHY_NAME "%d", rdev->wpan_phy_idx);
126 	rdev->wpan_phy.dev.class = &wpan_phy_class;
127 	rdev->wpan_phy.dev.platform_data = rdev;
129 	wpan_phy_net_set(&rdev->wpan_phy, &init_net);
131 	init_waitqueue_head(&rdev->dev_wait);
132 	init_waitqueue_head(&rdev->wpan_phy.sync_txq);
134 	spin_lock_init(&rdev->wpan_phy.queue_lock);
136 	return &rdev->wpan_phy;
142 	struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(phy);
152 	list_add_rcu(&rdev->list, &cfg802154_rdev_list);
166 	struct cfg802154_registered_device *rdev = wpan_phy_to_rdev(phy);
168 	wait_event(rdev->dev_wait, ({
171 		__count = rdev->opencount;
179 	WARN_ON(!list_empty(&rdev->wpan_dev_list));
184 	list_del_rcu(&rdev->list);
220 int cfg802154_switch_netns(struct cfg802154_registered_device *rdev,
226 	list_for_each_entry(wpan_dev, &rdev->wpan_dev_list, list) {
238 		net = wpan_phy_net(&rdev->wpan_phy);
241 						     &rdev->wpan_dev_list,
255 	wpan_phy_net_set(&rdev->wpan_phy, net);
257 	err = device_rename(&rdev->wpan_phy.dev, dev_name(&rdev->wpan_phy.dev));
263 void cfg802154_dev_free(struct cfg802154_registered_device *rdev)
265 	kfree(rdev);
269 cfg802154_update_iface_num(struct cfg802154_registered_device *rdev,
274 	rdev->num_running_ifaces += num;
282 	struct cfg802154_registered_device *rdev;
287 	rdev = wpan_phy_to_rdev(wpan_dev->wpan_phy);
295 		wpan_dev->identifier = ++rdev->wpan_dev_id;
296 		list_add_rcu(&wpan_dev->list, &rdev->wpan_dev_list);
297 		rdev->devlist_generation++;
305 		cfg802154_update_iface_num(rdev, wpan_dev->iftype, -1);
307 		rdev->opencount--;
308 		wake_up(&rdev->dev_wait);
311 		cfg802154_update_iface_num(rdev, wpan_dev->iftype, 1);
313 		rdev->opencount++;
326 			rdev->devlist_generation++;
349 	struct cfg802154_registered_device *rdev;
352 	list_for_each_entry(rdev, &cfg802154_rdev_list, list) {
353 		if (net_eq(wpan_phy_net(&rdev->wpan_phy), net))
354 			WARN_ON(cfg802154_switch_netns(rdev, &init_net));