xref: /OK3568_Linux_fs/kernel/net/ieee802154/core.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __IEEE802154_CORE_H
3*4882a593Smuzhiyun #define __IEEE802154_CORE_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <net/cfg802154.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun struct cfg802154_registered_device {
8*4882a593Smuzhiyun 	const struct cfg802154_ops *ops;
9*4882a593Smuzhiyun 	struct list_head list;
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun 	/* wpan_phy index, internal only */
12*4882a593Smuzhiyun 	int wpan_phy_idx;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun 	/* also protected by devlist_mtx */
15*4882a593Smuzhiyun 	int opencount;
16*4882a593Smuzhiyun 	wait_queue_head_t dev_wait;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	/* protected by RTNL only */
19*4882a593Smuzhiyun 	int num_running_ifaces;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	/* associated wpan interfaces, protected by rtnl or RCU */
22*4882a593Smuzhiyun 	struct list_head wpan_dev_list;
23*4882a593Smuzhiyun 	int devlist_generation, wpan_dev_id;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	/* must be last because of the way we do wpan_phy_priv(),
26*4882a593Smuzhiyun 	 * and it should at least be aligned to NETDEV_ALIGN
27*4882a593Smuzhiyun 	 */
28*4882a593Smuzhiyun 	struct wpan_phy wpan_phy __aligned(NETDEV_ALIGN);
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun static inline struct cfg802154_registered_device *
wpan_phy_to_rdev(struct wpan_phy * wpan_phy)32*4882a593Smuzhiyun wpan_phy_to_rdev(struct wpan_phy *wpan_phy)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun 	BUG_ON(!wpan_phy);
35*4882a593Smuzhiyun 	return container_of(wpan_phy, struct cfg802154_registered_device,
36*4882a593Smuzhiyun 			    wpan_phy);
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun extern struct list_head cfg802154_rdev_list;
40*4882a593Smuzhiyun extern int cfg802154_rdev_list_generation;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun int cfg802154_switch_netns(struct cfg802154_registered_device *rdev,
43*4882a593Smuzhiyun 			   struct net *net);
44*4882a593Smuzhiyun /* free object */
45*4882a593Smuzhiyun void cfg802154_dev_free(struct cfg802154_registered_device *rdev);
46*4882a593Smuzhiyun struct cfg802154_registered_device *
47*4882a593Smuzhiyun cfg802154_rdev_by_wpan_phy_idx(int wpan_phy_idx);
48*4882a593Smuzhiyun struct wpan_phy *wpan_phy_idx_to_wpan_phy(int wpan_phy_idx);
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #endif /* __IEEE802154_CORE_H */
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