xref: /linux/net/ieee802154/core.h (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __IEEE802154_CORE_H
3 #define __IEEE802154_CORE_H
4 
5 #include <net/cfg802154.h>
6 
7 struct cfg802154_registered_device {
8 	const struct cfg802154_ops *ops;
9 	struct list_head list;
10 
11 	/* wpan_phy index, internal only */
12 	int wpan_phy_idx;
13 
14 	/* also protected by devlist_mtx */
15 	int opencount;
16 	wait_queue_head_t dev_wait;
17 
18 	/* protected by RTNL only */
19 	int num_running_ifaces;
20 
21 	/* associated wpan interfaces, protected by rtnl or RCU */
22 	struct list_head wpan_dev_list;
23 	int devlist_generation, wpan_dev_id;
24 
25 	/* must be last because of the way we do wpan_phy_priv(),
26 	 * and it should at least be aligned to NETDEV_ALIGN
27 	 */
28 	struct wpan_phy wpan_phy __aligned(NETDEV_ALIGN);
29 };
30 
31 static inline struct cfg802154_registered_device *
32 wpan_phy_to_rdev(struct wpan_phy *wpan_phy)
33 {
34 	BUG_ON(!wpan_phy);
35 	return container_of(wpan_phy, struct cfg802154_registered_device,
36 			    wpan_phy);
37 }
38 
39 extern struct list_head cfg802154_rdev_list;
40 extern int cfg802154_rdev_list_generation;
41 
42 int cfg802154_switch_netns(struct cfg802154_registered_device *rdev,
43 			   struct net *net);
44 /* free object */
45 void cfg802154_dev_free(struct cfg802154_registered_device *rdev);
46 struct cfg802154_registered_device *
47 cfg802154_rdev_by_wpan_phy_idx(int wpan_phy_idx);
48 struct wpan_phy *wpan_phy_idx_to_wpan_phy(int wpan_phy_idx);
49 
50 #endif /* __IEEE802154_CORE_H */
51