net/wireless/core.h

   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 */