Merge remote-tracking branch 'stable/linux-5.15.y' into rpi-5.15.y
[platform/kernel/linux-rpi.git] / net / ieee802154 / core.h
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 */