nfs: enforce FIFO ordering of operations trying to acquire slot

[safe/jmp/linux-2.6] / net / wireless / core.h

diff --git a/net/wireless/core.h b/net/wireless/core.h
index 4276b70..4ef3efc 100644 (file)
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -49,6 +49,9 @@ struct cfg80211_registered_device {
        /* associate netdev list */
        struct mutex devlist_mtx;
        struct list_head netdev_list;
+       int devlist_generation;
+       int opencount; /* also protected by devlist_mtx */
+       wait_queue_head_t dev_wait;
 
        /* BSSes/scanning */
        spinlock_t bss_lock;
@@ -66,16 +69,8 @@ struct cfg80211_registered_device {
        struct work_struct conn_work;
        struct work_struct event_work;
 
-#ifdef CONFIG_CFG80211_DEBUGFS
-       /* Debugfs entries */
-       struct wiphy_debugfsdentries {
-               struct dentry *rts_threshold;
-               struct dentry *fragmentation_threshold;
-               struct dentry *short_retry_limit;
-               struct dentry *long_retry_limit;
-               struct dentry *ht40allow_map;
-       } debugfs;
-#endif
+       /* current channel */
+       struct ieee80211_channel *channel;
 
        /* must be last because of the way we do wiphy_priv(),
         * and it should at least be aligned to NETDEV_ALIGN */
@@ -96,8 +91,11 @@ bool wiphy_idx_valid(int wiphy_idx)
        return (wiphy_idx >= 0);
 }
 
+
+extern struct workqueue_struct *cfg80211_wq;
 extern struct mutex cfg80211_mutex;
 extern struct list_head cfg80211_rdev_list;
+extern int cfg80211_rdev_list_generation;
 
 #define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex))
 
@@ -124,6 +122,11 @@ static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pu
        return container_of(pub, struct cfg80211_internal_bss, pub);
 }
 
+static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
+{
+       kref_get(&bss->ref);
+}
+
 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
 {
        atomic_inc(&bss->hold);
@@ -272,6 +275,8 @@ int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
                       struct cfg80211_ibss_params *params,
                       struct cfg80211_cached_keys *connkeys);
 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
+int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+                         struct net_device *dev, bool nowext);
 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
                        struct net_device *dev, bool nowext);
 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
@@ -320,13 +325,15 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
 void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
                               const u8 *req_ie, size_t req_ie_len,
                               const u8 *resp_ie, size_t resp_ie_len,
-                              u16 status, bool wextev);
+                              u16 status, bool wextev,
+                              struct cfg80211_bss *bss);
 
 /* SME */
 int __cfg80211_connect(struct cfg80211_registered_device *rdev,
                       struct net_device *dev,
                       struct cfg80211_connect_params *connect,
-                      struct cfg80211_cached_keys *connkeys);
+                      struct cfg80211_cached_keys *connkeys,
+                      const u8 *prev_bssid);
 int cfg80211_connect(struct cfg80211_registered_device *rdev,
                     struct net_device *dev,
                     struct cfg80211_connect_params *connect,
@@ -344,6 +351,8 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
                              struct wireless_dev *wdev);
 
 void cfg80211_conn_work(struct work_struct *work);
+void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
+bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
 
 /* internal helpers */
 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
@@ -355,6 +364,29 @@ void cfg80211_sme_scan_done(struct net_device *dev);
 void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
 void cfg80211_sme_disassoc(struct net_device *dev, int idx);
 void __cfg80211_scan_done(struct work_struct *wk);
+void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
+int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
+                         struct net_device *dev, enum nl80211_iftype ntype,
+                         u32 *flags, struct vif_params *params);
+void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
+
+struct ieee80211_channel *
+rdev_fixed_channel(struct cfg80211_registered_device *rdev,
+                  struct wireless_dev *for_wdev);
+int rdev_set_freq(struct cfg80211_registered_device *rdev,
+                 struct wireless_dev *for_wdev,
+                 int freq, enum nl80211_channel_type channel_type);
+
+#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
+#define CFG80211_DEV_WARN_ON(cond)     WARN_ON(cond)
+#else
+/*
+ * Trick to enable using it as a condition,
+ * and also not give a warning when it's
+ * not used that way.
+ */
+#define CFG80211_DEV_WARN_ON(cond)     ({bool __r = (cond); __r; })
+#endif
 
 #endif /* __NET_WIRELESS_CORE_H */