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-rw-r--r--net/wireless/core.h64
1 files changed, 59 insertions, 5 deletions
diff --git a/net/wireless/core.h b/net/wireless/core.h
index f7fb9f41302..d43daa236ef 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -8,6 +8,9 @@
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/netdevice.h>
+#include <linux/kref.h>
+#include <linux/rbtree.h>
+#include <linux/mutex.h>
#include <net/genetlink.h>
#include <net/wireless.h>
#include <net/cfg80211.h>
@@ -35,12 +38,20 @@ struct cfg80211_registered_device {
enum environment_cap env;
/* wiphy index, internal only */
- int idx;
+ int wiphy_idx;
/* associate netdev list */
struct mutex devlist_mtx;
struct list_head netdev_list;
+ /* BSSes/scanning */
+ spinlock_t bss_lock;
+ struct list_head bss_list;
+ struct rb_root bss_tree;
+ u32 bss_generation;
+ struct cfg80211_scan_request *scan_req; /* protected by RTNL */
+ unsigned long suspend_at;
+
/* must be last because of the way we do wiphy_priv(),
* and it should at least be aligned to NETDEV_ALIGN */
struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
@@ -53,9 +64,44 @@ struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
return container_of(wiphy, struct cfg80211_registered_device, wiphy);
}
-extern struct mutex cfg80211_drv_mutex;
+/* Note 0 is valid, hence phy0 */
+static inline
+bool wiphy_idx_valid(int wiphy_idx)
+{
+ return (wiphy_idx >= 0);
+}
+
+extern struct mutex cfg80211_mutex;
extern struct list_head cfg80211_drv_list;
+static inline void assert_cfg80211_lock(void)
+{
+ WARN_ON(!mutex_is_locked(&cfg80211_mutex));
+}
+
+/*
+ * You can use this to mark a wiphy_idx as not having an associated wiphy.
+ * It guarantees cfg80211_drv_by_wiphy_idx(wiphy_idx) will return NULL
+ */
+#define WIPHY_IDX_STALE -1
+
+struct cfg80211_internal_bss {
+ struct list_head list;
+ struct rb_node rbn;
+ unsigned long ts;
+ struct kref ref;
+ bool hold;
+
+ /* must be last because of priv member */
+ struct cfg80211_bss pub;
+};
+
+struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx);
+int get_wiphy_idx(struct wiphy *wiphy);
+
+struct cfg80211_registered_device *
+__cfg80211_drv_from_info(struct genl_info *info);
+
/*
* This function returns a pointer to the driver
* that the genl_info item that is passed refers to.
@@ -63,13 +109,13 @@ extern struct list_head cfg80211_drv_list;
* the driver's mutex!
*
* This means that you need to call cfg80211_put_dev()
- * before being allowed to acquire &cfg80211_drv_mutex!
+ * before being allowed to acquire &cfg80211_mutex!
*
* This is necessary because we need to lock the global
* mutex to get an item off the list safely, and then
* we lock the drv mutex so it doesn't go away under us.
*
- * We don't want to keep cfg80211_drv_mutex locked
+ * We don't want to keep cfg80211_mutex locked
* for all the time in order to allow requests on
* other interfaces to go through at the same time.
*
@@ -79,6 +125,9 @@ extern struct list_head cfg80211_drv_list;
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct genl_info *info);
+/* requires cfg80211_drv_mutex to be held! */
+struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
+
/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
extern struct cfg80211_registered_device *
cfg80211_get_dev_from_ifindex(int ifindex);
@@ -92,6 +141,11 @@ extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv,
char *newname);
void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
-void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby);
+void wiphy_update_regulatory(struct wiphy *wiphy,
+ enum nl80211_reg_initiator setby);
+
+void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
+void cfg80211_bss_age(struct cfg80211_registered_device *dev,
+ unsigned long age_secs);
#endif /* __NET_WIRELESS_CORE_H */