1 /* 2 * Wireless configuration interface internals. 3 * 4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> 5 */ 6 #ifndef __NET_WIRELESS_CORE_H 7 #define __NET_WIRELESS_CORE_H 8 #include <linux/mutex.h> 9 #include <linux/list.h> 10 #include <linux/netdevice.h> 11 #include <net/genetlink.h> 12 #include <net/wireless.h> 13 #include <net/cfg80211.h> 14 15 struct cfg80211_registered_device { 16 struct cfg80211_ops *ops; 17 struct list_head list; 18 /* we hold this mutex during any call so that 19 * we cannot do multiple calls at once, and also 20 * to avoid the deregister call to proceed while 21 * any call is in progress */ 22 struct mutex mtx; 23 24 /* wiphy index, internal only */ 25 int idx; 26 27 /* associate netdev list */ 28 struct mutex devlist_mtx; 29 struct list_head netdev_list; 30 31 /* must be last because of the way we do wiphy_priv(), 32 * and it should at least be aligned to NETDEV_ALIGN */ 33 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); 34 }; 35 36 static inline 37 struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) 38 { 39 BUG_ON(!wiphy); 40 return container_of(wiphy, struct cfg80211_registered_device, wiphy); 41 } 42 43 extern struct mutex cfg80211_drv_mutex; 44 extern struct list_head cfg80211_drv_list; 45 46 /* free object */ 47 extern void cfg80211_dev_free(struct cfg80211_registered_device *drv); 48 49 #endif /* __NET_WIRELESS_CORE_H */ 50