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 */