Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26

1 files changed, 77 insertions, 33 deletions

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 96fe3ed9503..86eed40ada7 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -15,31 +15,72 @@
 #include <linux/kref.h>
 #include "ieee80211_key.h"
 
-/* Stations flags (struct sta_info::flags) */
-#define WLAN_STA_AUTH BIT(0)
-#define WLAN_STA_ASSOC BIT(1)
-#define WLAN_STA_PS BIT(2)
-#define WLAN_STA_TIM BIT(3) /* TIM bit is on for PS stations */
-#define WLAN_STA_PERM BIT(4) /* permanent; do not remove entry on expiration */
-#define WLAN_STA_AUTHORIZED BIT(5) /* If 802.1X is used, this flag is
-				    * controlling whether STA is authorized to
-				    * send and receive non-IEEE 802.1X frames
-				    */
-#define WLAN_STA_SHORT_PREAMBLE BIT(7)
-/* whether this is an AP that we are associated with as a client */
-#define WLAN_STA_ASSOC_AP BIT(8)
-#define WLAN_STA_WME BIT(9)
-#define WLAN_STA_WDS BIT(27)
+/**
+ * enum ieee80211_sta_info_flags - Stations flags
+ *
+ * These flags are used with &struct sta_info's @flags member.
+ *
+ * @WLAN_STA_AUTH: Station is authenticated.
+ * @WLAN_STA_ASSOC: Station is associated.
+ * @WLAN_STA_PS: Station is in power-save mode
+ * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic.
+ *	This bit is always checked so needs to be enabled for all stations
+ *	when virtual port control is not in use.
+ * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
+ *	frames.
+ * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
+ * @WLAN_STA_WME: Station is a QoS-STA.
+ * @WLAN_STA_WDS: Station is one of our WDS peers.
+ * @WLAN_STA_PSPOLL: Station has just PS-polled us.
+ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
+ *	IEEE80211_TXCTL_CLEAR_PS_FILT control flag) when the next
+ *	frame to this station is transmitted.
+ */
+enum ieee80211_sta_info_flags {
+	WLAN_STA_AUTH		= 1<<0,
+	WLAN_STA_ASSOC		= 1<<1,
+	WLAN_STA_PS		= 1<<2,
+	WLAN_STA_AUTHORIZED	= 1<<3,
+	WLAN_STA_SHORT_PREAMBLE	= 1<<4,
+	WLAN_STA_ASSOC_AP	= 1<<5,
+	WLAN_STA_WME		= 1<<6,
+	WLAN_STA_WDS		= 1<<7,
+	WLAN_STA_PSPOLL		= 1<<8,
+	WLAN_STA_CLEAR_PS_FILT	= 1<<9,
+};
 
 #define STA_TID_NUM 16
 #define ADDBA_RESP_INTERVAL HZ
+#define HT_AGG_MAX_RETRIES		(0x3)
 
 #define HT_AGG_STATE_INITIATOR_SHIFT	(4)
 
+#define HT_ADDBA_REQUESTED_MSK		BIT(0)
+#define HT_ADDBA_DRV_READY_MSK		BIT(1)
+#define HT_ADDBA_RECEIVED_MSK		BIT(2)
 #define HT_AGG_STATE_REQ_STOP_BA_MSK	BIT(3)
-
+#define HT_AGG_STATE_INITIATOR_MSK      BIT(HT_AGG_STATE_INITIATOR_SHIFT)
 #define HT_AGG_STATE_IDLE		(0x0)
-#define HT_AGG_STATE_OPERATIONAL	(0x7)
+#define HT_AGG_STATE_OPERATIONAL	(HT_ADDBA_REQUESTED_MSK |	\
+					 HT_ADDBA_DRV_READY_MSK |	\
+					 HT_ADDBA_RECEIVED_MSK)
+
+/**
+ * struct tid_ampdu_tx - TID aggregation information (Tx).
+ *
+ * @state: TID's state in session state machine.
+ * @dialog_token: dialog token for aggregation session
+ * @ssn: Starting Sequence Number expected to be aggregated.
+ * @addba_resp_timer: timer for peer's response to addba request
+ * @addba_req_num: number of times addBA request has been sent.
+ */
+struct tid_ampdu_tx {
+	u8 state;
+	u8 dialog_token;
+	u16 ssn;
+	struct timer_list addba_resp_timer;
+	u8 addba_req_num;
+};
 
 /**
  * struct tid_ampdu_rx - TID aggregation information (Rx).
@@ -69,12 +110,18 @@ struct tid_ampdu_rx {
 /**
  * struct sta_ampdu_mlme - STA aggregation information.
  *
- * @tid_agg_info_rx: aggregation info for Rx per TID
+ * @tid_rx: aggregation info for Rx per TID
+ * @tid_tx: aggregation info for Tx per TID
  * @ampdu_rx: for locking sections in aggregation Rx flow
+ * @ampdu_tx: for locking sectionsi in aggregation Tx flow
+ * @dialog_token_allocator: dialog token enumerator for each new session;
  */
 struct sta_ampdu_mlme {
 	struct tid_ampdu_rx tid_rx[STA_TID_NUM];
+	struct tid_ampdu_tx tid_tx[STA_TID_NUM];
 	spinlock_t ampdu_rx;
+	spinlock_t ampdu_tx;
+	u8 dialog_token_allocator;
 };
 
 struct sta_info {
@@ -90,12 +137,9 @@ struct sta_info {
 
 	struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in
 					* power saving state */
-	int pspoll; /* whether STA has send a PS Poll frame */
 	struct sk_buff_head tx_filtered; /* buffer of TX frames that were
 					  * already given to low-level driver,
 					  * but were filtered */
-	int clear_dst_mask;
-
 	unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */
 	unsigned long rx_bytes, tx_bytes;
 	unsigned long tx_retry_failed, tx_retry_count;
@@ -104,10 +148,11 @@ struct sta_info {
 	unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */
 
 	unsigned long last_rx;
-	u32 supp_rates; /* bitmap of supported rates in local->curr_rates */
-	int txrate; /* index in local->curr_rates */
-	int last_txrate; /* last rate used to send a frame to this STA */
-	int last_nonerp_idx;
+	/* bitmap of supported rates per band */
+	u64 supp_rates[IEEE80211_NUM_BANDS];
+	int txrate_idx;
+	/* last rates used to send a frame to this STA */
+	int last_txrate_idx, last_nonerp_txrate_idx;
 
 	struct net_device *dev; /* which net device is this station associated
 				 * to */
@@ -132,8 +177,6 @@ struct sta_info {
 	int last_rssi; /* RSSI of last received frame from this STA */
 	int last_signal; /* signal of last received frame from this STA */
 	int last_noise; /* noise of last received frame from this STA */
-	int last_ack_rssi[3]; /* RSSI of last received ACKs from this STA */
-	unsigned long last_ack;
 	int channel_use;
 	int channel_use_raw;
 
@@ -148,20 +191,20 @@ struct sta_info {
 					     of this STA */
 	struct sta_ampdu_mlme ampdu_mlme;
 	u8 timer_to_tid[STA_TID_NUM];	/* convert timer id to tid */
+	u8 tid_to_tx_q[STA_TID_NUM];	/* map tid to tx queue */
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct sta_info_debugfsdentries {
 		struct dentry *dir;
 		struct dentry *flags;
 		struct dentry *num_ps_buf_frames;
-		struct dentry *last_ack_rssi;
-		struct dentry *last_ack_ms;
 		struct dentry *inactive_ms;
 		struct dentry *last_seq_ctrl;
 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
 		struct dentry *wme_rx_queue;
 		struct dentry *wme_tx_queue;
 #endif
+		struct dentry *agg_status;
 	} debugfs;
 #endif
 };
@@ -191,16 +234,17 @@ static inline void __sta_info_get(struct sta_info *sta)
 }
 
 struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr);
-int sta_info_min_txrate_get(struct ieee80211_local *local);
 void sta_info_put(struct sta_info *sta);
-struct sta_info * sta_info_add(struct ieee80211_local *local,
-			       struct net_device *dev, u8 *addr, gfp_t gfp);
+struct sta_info *sta_info_add(struct ieee80211_local *local,
+			      struct net_device *dev, u8 *addr, gfp_t gfp);
 void sta_info_remove(struct sta_info *sta);
 void sta_info_free(struct sta_info *sta);
 void sta_info_init(struct ieee80211_local *local);
 int sta_info_start(struct ieee80211_local *local);
 void sta_info_stop(struct ieee80211_local *local);
-void sta_info_remove_aid_ptr(struct sta_info *sta);
 void sta_info_flush(struct ieee80211_local *local, struct net_device *dev);
 
+void sta_info_set_tim_bit(struct sta_info *sta);
+void sta_info_clear_tim_bit(struct sta_info *sta);
+
 #endif /* STA_INFO_H */