Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

Conflicts:
	drivers/net/wireless/iwlwifi/iwl-core.h

Documentation/DocBook/mac80211.tmpl

@@ -144,7 +144,7 @@ usage should require reading the full document.
         this though and the recommendation to allow only a single
         interface in STA mode at first!
       </para>
-!Finclude/net/mac80211.h ieee80211_if_init_conf
+!Finclude/net/mac80211.h ieee80211_vif
     </chapter>
 
     <chapter id="rx-tx">

drivers/net/wireless/ath/ath5k/ath5k.h

@@ -1063,6 +1063,7 @@ struct ath5k_hw {
 	u32			ah_cw_min;
 	u32			ah_cw_max;
 	u32			ah_limit_tx_retries;
+	u8			ah_coverage_class;
 
 	/* Antenna Control */
 	u32			ah_ant_ctl[AR5K_EEPROM_N_MODES][AR5K_ANT_MAX];
@@ -1200,6 +1201,7 @@ extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah);
 
 /* Protocol Control Unit Functions */
 extern int ath5k_hw_set_opmode(struct ath5k_hw *ah);
+extern void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class);
 /* BSSID Functions */
 extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac);
 extern void ath5k_hw_set_associd(struct ath5k_hw *ah);
@@ -1231,6 +1233,10 @@ extern int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout);
 extern unsigned int ath5k_hw_get_ack_timeout(struct ath5k_hw *ah);
 extern int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout);
 extern unsigned int ath5k_hw_get_cts_timeout(struct ath5k_hw *ah);
+/* Clock rate related functions */
+unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec);
+unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock);
+unsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah);
 /* Key table (WEP) functions */
 extern int ath5k_hw_reset_key(struct ath5k_hw *ah, u16 entry);
 extern int ath5k_hw_is_key_valid(struct ath5k_hw *ah, u16 entry);
@@ -1310,24 +1316,6 @@ extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower);
  * Functions used internaly
  */
 
-/*
- * Translate usec to hw clock units
- * TODO: Half/quarter rate
- */
-static inline unsigned int ath5k_hw_htoclock(unsigned int usec, bool turbo)
-{
-	return turbo ? (usec * 80) : (usec * 40);
-}
-
-/*
- * Translate hw clock units to usec
- * TODO: Half/quarter rate
- */
-static inline unsigned int ath5k_hw_clocktoh(unsigned int clock, bool turbo)
-{
-	return turbo ? (clock / 80) : (clock / 40);
-}
-
 static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah)
 {
         return &ah->common;

drivers/net/wireless/ath/ath5k/base.c

@@ -254,6 +254,8 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
 		u32 changes);
 static void ath5k_sw_scan_start(struct ieee80211_hw *hw);
 static void ath5k_sw_scan_complete(struct ieee80211_hw *hw);
+static void ath5k_set_coverage_class(struct ieee80211_hw *hw,
+		u8 coverage_class);
 
 static const struct ieee80211_ops ath5k_hw_ops = {
 	.tx 		= ath5k_tx,
@@ -274,6 +276,7 @@ static const struct ieee80211_ops ath5k_hw_ops = {
 	.bss_info_changed = ath5k_bss_info_changed,
 	.sw_scan_start	= ath5k_sw_scan_start,
 	.sw_scan_complete = ath5k_sw_scan_complete,
+	.set_coverage_class = ath5k_set_coverage_class,
 };
 
 /*
@@ -3262,3 +3265,22 @@ static void ath5k_sw_scan_complete(struct ieee80211_hw *hw)
 	ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
 		AR5K_LED_ASSOC : AR5K_LED_INIT);
 }
+
+/**
+ * ath5k_set_coverage_class - Set IEEE 802.11 coverage class
+ *
+ * @hw: struct ieee80211_hw pointer
+ * @coverage_class: IEEE 802.11 coverage class number
+ *
+ * Mac80211 callback. Sets slot time, ACK timeout and CTS timeout for given
+ * coverage class. The values are persistent, they are restored after device
+ * reset.
+ */
+static void ath5k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
+{
+	struct ath5k_softc *sc = hw->priv;
+
+	mutex_lock(&sc->lock);
+	ath5k_hw_set_coverage_class(sc->ah, coverage_class);
+	mutex_unlock(&sc->lock);
+}

drivers/net/wireless/ath/ath5k/eeprom.c

@@ -97,7 +97,7 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah)
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	int ret;
 	u16 val;
-	u32 cksum, offset;
+	u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX;
 
 	/*
 	 * Read values from EEPROM and store them in the capability structure
@@ -116,12 +116,38 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah)
 	 * Validate the checksum of the EEPROM date. There are some
 	 * devices with invalid EEPROMs.
 	 */
-	for (cksum = 0, offset = 0; offset < AR5K_EEPROM_INFO_MAX; offset++) {
+	AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val);
+	if (val) {
+		eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
+			   AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
+		AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val);
+		eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE;
+
+		/*
+		 * Fail safe check to prevent stupid loops due
+		 * to busted EEPROMs. XXX: This value is likely too
+		 * big still, waiting on a better value.
+		 */
+		if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) {
+			ATH5K_ERR(ah->ah_sc, "Invalid max custom EEPROM size: "
+				  "%d (0x%04x) max expected: %d (0x%04x)\n",
+				  eep_max, eep_max,
+				  3 * AR5K_EEPROM_INFO_MAX,
+				  3 * AR5K_EEPROM_INFO_MAX);
+			return -EIO;
+		}
+	}
+
+	for (cksum = 0, offset = 0; offset < eep_max; offset++) {
 		AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val);
 		cksum ^= val;
 	}
 	if (cksum != AR5K_EEPROM_INFO_CKSUM) {
-		ATH5K_ERR(ah->ah_sc, "Invalid EEPROM checksum 0x%04x\n", cksum);
+		ATH5K_ERR(ah->ah_sc, "Invalid EEPROM "
+			  "checksum: 0x%04x eep_max: 0x%04x (%s)\n",
+			  cksum, eep_max,
+			  eep_max == AR5K_EEPROM_INFO_MAX ?
+				"default size" : "custom size");
 		return -EIO;
 	}
 

drivers/net/wireless/ath/ath5k/eeprom.h

@@ -37,6 +37,14 @@
 #define AR5K_EEPROM_RFKILL_POLARITY_S	1
 
 #define AR5K_EEPROM_REG_DOMAIN		0x00bf	/* EEPROM regdom */
+
+/* FLASH(EEPROM) Defines for AR531X chips */
+#define AR5K_EEPROM_SIZE_LOWER		0x1b /* size info -- lower */
+#define AR5K_EEPROM_SIZE_UPPER		0x1c /* size info -- upper */
+#define AR5K_EEPROM_SIZE_UPPER_MASK	0xfff0
+#define AR5K_EEPROM_SIZE_UPPER_SHIFT	4
+#define AR5K_EEPROM_SIZE_ENDLOC_SHIFT	12
+
 #define AR5K_EEPROM_CHECKSUM		0x00c0	/* EEPROM checksum */
 #define AR5K_EEPROM_INFO_BASE		0x00c0	/* EEPROM header */
 #define AR5K_EEPROM_INFO_MAX		(0x400 - AR5K_EEPROM_INFO_BASE)

drivers/net/wireless/ath/ath5k/pcu.c

@@ -187,8 +187,8 @@ unsigned int ath5k_hw_get_ack_timeout(struct ath5k_hw *ah)
 {
 	ATH5K_TRACE(ah->ah_sc);
 
-	return ath5k_hw_clocktoh(AR5K_REG_MS(ath5k_hw_reg_read(ah,
-			AR5K_TIME_OUT), AR5K_TIME_OUT_ACK), ah->ah_turbo);
+	return ath5k_hw_clocktoh(ah, AR5K_REG_MS(ath5k_hw_reg_read(ah,
+			AR5K_TIME_OUT), AR5K_TIME_OUT_ACK));
 }
 
 /**
@@ -200,12 +200,12 @@ unsigned int ath5k_hw_get_ack_timeout(struct ath5k_hw *ah)
 int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout)
 {
 	ATH5K_TRACE(ah->ah_sc);
-	if (ath5k_hw_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_ACK),
-			ah->ah_turbo) <= timeout)
+	if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_ACK))
+			<= timeout)
 		return -EINVAL;
 
 	AR5K_REG_WRITE_BITS(ah, AR5K_TIME_OUT, AR5K_TIME_OUT_ACK,
-		ath5k_hw_htoclock(timeout, ah->ah_turbo));
+		ath5k_hw_htoclock(ah, timeout));
 
 	return 0;
 }
@@ -218,8 +218,8 @@ int ath5k_hw_set_ack_timeout(struct ath5k_hw *ah, unsigned int timeout)
 unsigned int ath5k_hw_get_cts_timeout(struct ath5k_hw *ah)
 {
 	ATH5K_TRACE(ah->ah_sc);
-	return ath5k_hw_clocktoh(AR5K_REG_MS(ath5k_hw_reg_read(ah,
-			AR5K_TIME_OUT), AR5K_TIME_OUT_CTS), ah->ah_turbo);
+	return ath5k_hw_clocktoh(ah, AR5K_REG_MS(ath5k_hw_reg_read(ah,
+			AR5K_TIME_OUT), AR5K_TIME_OUT_CTS));
 }
 
 /**
@@ -231,16 +231,96 @@ unsigned int ath5k_hw_get_cts_timeout(struct ath5k_hw *ah)
 int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout)
 {
 	ATH5K_TRACE(ah->ah_sc);
-	if (ath5k_hw_clocktoh(AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_CTS),
-			ah->ah_turbo) <= timeout)
+	if (ath5k_hw_clocktoh(ah, AR5K_REG_MS(0xffffffff, AR5K_TIME_OUT_CTS))
+			<= timeout)
 		return -EINVAL;
 
 	AR5K_REG_WRITE_BITS(ah, AR5K_TIME_OUT, AR5K_TIME_OUT_CTS,
-			ath5k_hw_htoclock(timeout, ah->ah_turbo));
+			ath5k_hw_htoclock(ah, timeout));
 
 	return 0;
 }
 
+/**
+ * ath5k_hw_htoclock - Translate usec to hw clock units
+ *
+ * @ah: The &struct ath5k_hw
+ * @usec: value in microseconds
+ */
+unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec)
+{
+	return usec * ath5k_hw_get_clockrate(ah);
+}
+
+/**
+ * ath5k_hw_clocktoh - Translate hw clock units to usec
+ * @clock: value in hw clock units
+ */
+unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock)
+{
+	return clock / ath5k_hw_get_clockrate(ah);
+}
+
+/**
+ * ath5k_hw_get_clockrate - Get the clock rate for current mode
+ *
+ * @ah: The &struct ath5k_hw
+ */
+unsigned int ath5k_hw_get_clockrate(struct ath5k_hw *ah)
+{
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+	int clock;
+
+	if (channel->hw_value & CHANNEL_5GHZ)
+		clock = 40; /* 802.11a */
+	else if (channel->hw_value & CHANNEL_CCK)
+		clock = 22; /* 802.11b */
+	else
+		clock = 44; /* 802.11g */
+
+	/* Clock rate in turbo modes is twice the normal rate */
+	if (channel->hw_value & CHANNEL_TURBO)
+		clock *= 2;
+
+	return clock;
+}
+
+/**
+ * ath5k_hw_get_default_slottime - Get the default slot time for current mode
+ *
+ * @ah: The &struct ath5k_hw
+ */
+unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah)
+{
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+
+	if (channel->hw_value & CHANNEL_TURBO)
+		return 6; /* both turbo modes */
+
+	if (channel->hw_value & CHANNEL_CCK)
+		return 20; /* 802.11b */
+
+	return 9; /* 802.11 a/g */
+}
+
+/**
+ * ath5k_hw_get_default_sifs - Get the default SIFS for current mode
+ *
+ * @ah: The &struct ath5k_hw
+ */
+unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah)
+{
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+
+	if (channel->hw_value & CHANNEL_TURBO)
+		return 8; /* both turbo modes */
+
+	if (channel->hw_value & CHANNEL_5GHZ)
+		return 16; /* 802.11a */
+
+	return 10; /* 802.11 b/g */
+}
+
 /**
  * ath5k_hw_set_lladdr - Set station id
  *
@@ -1050,3 +1130,24 @@ int ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac)
 	return 0;
 }
 
+/**
+ * ath5k_hw_set_coverage_class - Set IEEE 802.11 coverage class
+ *
+ * @ah: The &struct ath5k_hw
+ * @coverage_class: IEEE 802.11 coverage class number
+ *
+ * Sets slot time, ACK timeout and CTS timeout for given coverage class.
+ */
+void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class)
+{
+	/* As defined by IEEE 802.11-2007 17.3.8.6 */
+	int slot_time = ath5k_hw_get_default_slottime(ah) + 3 * coverage_class;
+	int ack_timeout = ath5k_hw_get_default_sifs(ah) + slot_time;
+	int cts_timeout = ack_timeout;
+
+	ath5k_hw_set_slot_time(ah, slot_time);
+	ath5k_hw_set_ack_timeout(ah, ack_timeout);
+	ath5k_hw_set_cts_timeout(ah, cts_timeout);
+
+	ah->ah_coverage_class = coverage_class;
+}

drivers/net/wireless/ath/ath5k/qcu.c

@@ -520,12 +520,16 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
  */
 unsigned int ath5k_hw_get_slot_time(struct ath5k_hw *ah)
 {
+	unsigned int slot_time_clock;
+
 	ATH5K_TRACE(ah->ah_sc);
+
 	if (ah->ah_version == AR5K_AR5210)
-		return ath5k_hw_clocktoh(ath5k_hw_reg_read(ah,
-				AR5K_SLOT_TIME) & 0xffff, ah->ah_turbo);
+		slot_time_clock = ath5k_hw_reg_read(ah, AR5K_SLOT_TIME);
 	else
-		return ath5k_hw_reg_read(ah, AR5K_DCU_GBL_IFS_SLOT) & 0xffff;
+		slot_time_clock = ath5k_hw_reg_read(ah, AR5K_DCU_GBL_IFS_SLOT);
+
+	return ath5k_hw_clocktoh(ah, slot_time_clock & 0xffff);
 }
 
 /*
@@ -533,15 +537,17 @@ unsigned int ath5k_hw_get_slot_time(struct ath5k_hw *ah)
  */
 int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time)
 {
+	u32 slot_time_clock = ath5k_hw_htoclock(ah, slot_time);
+
 	ATH5K_TRACE(ah->ah_sc);
-	if (slot_time < AR5K_SLOT_TIME_9 || slot_time > AR5K_SLOT_TIME_MAX)
+
+	if (slot_time < 6 || slot_time_clock > AR5K_SLOT_TIME_MAX)
 		return -EINVAL;
 
 	if (ah->ah_version == AR5K_AR5210)
-		ath5k_hw_reg_write(ah, ath5k_hw_htoclock(slot_time,
-				ah->ah_turbo), AR5K_SLOT_TIME);
+		ath5k_hw_reg_write(ah, slot_time_clock, AR5K_SLOT_TIME);
 	else
-		ath5k_hw_reg_write(ah, slot_time, AR5K_DCU_GBL_IFS_SLOT);
+		ath5k_hw_reg_write(ah, slot_time_clock, AR5K_DCU_GBL_IFS_SLOT);
 
 	return 0;
 }

drivers/net/wireless/ath/ath5k/reset.c

@@ -60,12 +60,11 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
 		!(channel->hw_value & CHANNEL_OFDM));
 
 	/* Get coefficient
-	 * ALGO: coef = (5 * clock * carrier_freq) / 2)
+	 * ALGO: coef = (5 * clock / carrier_freq) / 2
 	 * we scale coef by shifting clock value by 24 for
 	 * better precision since we use integers */
 	/* TODO: Half/quarter rate */
-	clock =  ath5k_hw_htoclock(1, channel->hw_value & CHANNEL_TURBO);
-
+	clock =  (channel->hw_value & CHANNEL_TURBO) ? 80 : 40;
 	coef_scaled = ((5 * (clock << 24)) / 2) / channel->center_freq;
 
 	/* Get exponent
@@ -1317,6 +1316,10 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 	/* Restore antenna mode */
 	ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode);
 
+	/* Restore slot time and ACK timeouts */
+	if (ah->ah_coverage_class > 0)
+		ath5k_hw_set_coverage_class(ah, ah->ah_coverage_class);
+
 	/*
 	 * Configure QCUs/DCUs
 	 */

drivers/net/wireless/ath/ath9k/Kconfig

@@ -25,7 +25,7 @@ config ATH9K
 
 config ATH9K_DEBUGFS
 	bool "Atheros ath9k debugging"
-	depends on ATH9K
+	depends on ATH9K && DEBUG_FS
 	---help---
 	  Say Y, if you need access to ath9k's statistics for
 	  interrupts, rate control, etc.

drivers/net/wireless/ath/ath9k/Makefile

 ath9k-y +=	beacon.o \
+		gpio.o \
+		init.o \
 		main.o \
 		recv.o \
 		xmit.o \

drivers/net/wireless/ath/ath9k/ahb.c

@@ -121,16 +121,19 @@ static int ath_ahb_probe(struct platform_device *pdev)
 	sc->mem = mem;
 	sc->irq = irq;
 
-	ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
+	/* Will be cleared in ath9k_start() */
+	sc->sc_flags |= SC_OP_INVALID;
+
+	ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to initialize device\n");
+		dev_err(&pdev->dev, "request_irq failed\n");
 		goto err_free_hw;
 	}
 
-	ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc);
+	ret = ath9k_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
 	if (ret) {
-		dev_err(&pdev->dev, "request_irq failed\n");
-		goto err_detach;
+		dev_err(&pdev->dev, "failed to initialize device\n");
+		goto err_irq;
 	}
 
 	ah = sc->sc_ah;
@@ -143,8 +146,8 @@ static int ath_ahb_probe(struct platform_device *pdev)
 
 	return 0;
 
- err_detach:
-	ath_detach(sc);
+ err_irq:
+	free_irq(irq, sc);
  err_free_hw:
 	ieee80211_free_hw(hw);
 	platform_set_drvdata(pdev, NULL);
@@ -161,8 +164,12 @@ static int ath_ahb_remove(struct platform_device *pdev)
 	if (hw) {
 		struct ath_wiphy *aphy = hw->priv;
 		struct ath_softc *sc = aphy->sc;
+		struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
-		ath_cleanup(sc);
+		ath9k_deinit_device(sc);
+		free_irq(sc->irq, sc);
+		ieee80211_free_hw(sc->hw);
+		ath_bus_cleanup(common);
 		platform_set_drvdata(pdev, NULL);
 	}
 

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -33,11 +33,11 @@ struct ath_node;
 
 /* Macro to expand scalars to 64-bit objects */
 
-#define	ito64(x) (sizeof(x) == 8) ?			\
+#define	ito64(x) (sizeof(x) == 1) ?			\
 	(((unsigned long long int)(x)) & (0xff)) :	\
-	(sizeof(x) == 16) ?				\
+	(sizeof(x) == 2) ?				\
 	(((unsigned long long int)(x)) & 0xffff) :	\
-	((sizeof(x) == 32) ?				\
+	((sizeof(x) == 4) ?				\
 	 (((unsigned long long int)(x)) & 0xffffffff) : \
 	 (unsigned long long int)(x))
 
@@ -341,6 +341,12 @@ int ath_beaconq_config(struct ath_softc *sc);
 #define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
 #define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
 
+void ath_ani_calibrate(unsigned long data);
+
+/**********/
+/* BTCOEX */
+/**********/
+
 /* Defines the BT AR_BT_COEX_WGHT used */
 enum ath_stomp_type {
 	ATH_BTCOEX_NO_STOMP,
@@ -361,6 +367,10 @@ struct ath_btcoex {
 	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
 };
 
+int ath_init_btcoex_timer(struct ath_softc *sc);
+void ath9k_btcoex_timer_resume(struct ath_softc *sc);
+void ath9k_btcoex_timer_pause(struct ath_softc *sc);
+
 /********************/
 /*   LED Control    */
 /********************/
@@ -385,6 +395,9 @@ struct ath_led {
 	bool registered;
 };
 
+void ath_init_leds(struct ath_softc *sc);
+void ath_deinit_leds(struct ath_softc *sc);
+
 /********************/
 /* Main driver core */
 /********************/
@@ -403,26 +416,28 @@ struct ath_led {
 #define ATH_TXPOWER_MAX         100     /* .5 dBm units */
 #define ATH_RATE_DUMMY_MARKER   0
 
-#define SC_OP_INVALID           BIT(0)
-#define SC_OP_BEACONS           BIT(1)
-#define SC_OP_RXAGGR            BIT(2)
-#define SC_OP_TXAGGR            BIT(3)
-#define SC_OP_FULL_RESET        BIT(4)
-#define SC_OP_PREAMBLE_SHORT    BIT(5)
-#define SC_OP_PROTECT_ENABLE    BIT(6)
-#define SC_OP_RXFLUSH           BIT(7)
-#define SC_OP_LED_ASSOCIATED    BIT(8)
-#define SC_OP_WAIT_FOR_BEACON   BIT(12)
-#define SC_OP_LED_ON            BIT(13)
-#define SC_OP_SCANNING          BIT(14)
-#define SC_OP_TSF_RESET         BIT(15)
-#define SC_OP_WAIT_FOR_CAB      BIT(16)
-#define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
-#define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
-#define SC_OP_BEACON_SYNC       BIT(19)
-#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
-#define SC_OP_NULLFUNC_COMPLETED BIT(22)
-#define SC_OP_PS_ENABLED	BIT(23)
+#define SC_OP_INVALID                BIT(0)
+#define SC_OP_BEACONS                BIT(1)
+#define SC_OP_RXAGGR                 BIT(2)
+#define SC_OP_TXAGGR                 BIT(3)
+#define SC_OP_FULL_RESET             BIT(4)
+#define SC_OP_PREAMBLE_SHORT         BIT(5)
+#define SC_OP_PROTECT_ENABLE         BIT(6)
+#define SC_OP_RXFLUSH                BIT(7)
+#define SC_OP_LED_ASSOCIATED         BIT(8)
+#define SC_OP_LED_ON                 BIT(9)
+#define SC_OP_SCANNING               BIT(10)
+#define SC_OP_TSF_RESET              BIT(11)
+#define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
+
+/* Powersave flags */
+#define PS_WAIT_FOR_BEACON        BIT(0)
+#define PS_WAIT_FOR_CAB           BIT(1)
+#define PS_WAIT_FOR_PSPOLL_DATA   BIT(2)
+#define PS_WAIT_FOR_TX_ACK        BIT(3)
+#define PS_BEACON_SYNC            BIT(4)
+#define PS_NULLFUNC_COMPLETED     BIT(5)
+#define PS_ENABLED                BIT(6)
 
 struct ath_wiphy;
 struct ath_rate_table;
@@ -458,6 +473,7 @@ struct ath_softc {
 
 	u32 intrstatus;
 	u32 sc_flags; /* SC_OP_* */
+	u16 ps_flags; /* PS_* */
 	u16 curtxpow;
 	u8 nbcnvifs;
 	u16 nvifs;
@@ -508,6 +524,7 @@ struct ath_wiphy {
 	int chan_is_ht;
 };
 
+void ath9k_tasklet(unsigned long data);
 int ath_reset(struct ath_softc *sc, bool retry_tx);
 int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
@@ -524,15 +541,15 @@ static inline void ath_bus_cleanup(struct ath_common *common)
 }
 
 extern struct ieee80211_ops ath9k_ops;
+extern int modparam_nohwcrypt;
 
 irqreturn_t ath_isr(int irq, void *dev);
-void ath_cleanup(struct ath_softc *sc);
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 		    const struct ath_bus_ops *bus_ops);
-void ath_detach(struct ath_softc *sc);
+void ath9k_deinit_device(struct ath_softc *sc);
 const char *ath_mac_bb_name(u32 mac_bb_version);
 const char *ath_rf_name(u16 rf_version);
-void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
+void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
 void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 			   struct ath9k_channel *ichan);
 void ath_update_chainmask(struct ath_softc *sc, int is_ht);
@@ -541,6 +558,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 
 void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
 void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
+bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
 
 #ifdef CONFIG_PCI
 int ath_pci_init(void);
@@ -582,4 +600,8 @@ void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
 void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
 
 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
+
+void ath_start_rfkill_poll(struct ath_softc *sc);
+extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
+
 #endif /* ATH9K_H */

drivers/net/wireless/ath/ath9k/beacon.c

@@ -480,7 +480,8 @@ void ath_beacon_tasklet(unsigned long data)
 		sc->beacon.updateslot = COMMIT; /* commit next beacon */
 		sc->beacon.slotupdate = slot;
 	} else if (sc->beacon.updateslot == COMMIT && sc->beacon.slotupdate == slot) {
-		ath9k_hw_setslottime(sc->sc_ah, sc->beacon.slottime);
+		ah->slottime = sc->beacon.slottime;
+		ath9k_hw_init_global_settings(ah);
 		sc->beacon.updateslot = OK;
 	}
 	if (bfaddr != 0) {

drivers/net/wireless/ath/ath9k/debug.c

@@ -580,6 +580,116 @@ static const struct file_operations fops_xmit = {
 	.owner = THIS_MODULE
 };
 
+static ssize_t read_file_recv(struct file *file, char __user *user_buf,
+			      size_t count, loff_t *ppos)
+{
+#define PHY_ERR(s, p) \
+	len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
+			sc->debug.stats.rxstats.phy_err_stats[p]);
+
+	struct ath_softc *sc = file->private_data;
+	char *buf;
+	unsigned int len = 0, size = 1152;
+	ssize_t retval = 0;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return 0;
+
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "CRC ERR",
+			sc->debug.stats.rxstats.crc_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "DECRYPT CRC ERR",
+			sc->debug.stats.rxstats.decrypt_crc_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "PHY ERR",
+			sc->debug.stats.rxstats.phy_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "MIC ERR",
+			sc->debug.stats.rxstats.mic_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "PRE-DELIM CRC ERR",
+			sc->debug.stats.rxstats.pre_delim_crc_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "POST-DELIM CRC ERR",
+			sc->debug.stats.rxstats.post_delim_crc_err);
+	len += snprintf(buf + len, size - len,
+			"%18s : %10u\n", "DECRYPT BUSY ERR",
+			sc->debug.stats.rxstats.decrypt_busy_err);
+
+	PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
+	PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
+	PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
+	PHY_ERR("RATE", ATH9K_PHYERR_RATE);
+	PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
+	PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
+	PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
+	PHY_ERR("TOR", ATH9K_PHYERR_TOR);
+	PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
+	PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+	PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+	PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+	PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
+	PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
+	PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
+	PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
+	PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
+	PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
+	PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+	PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
+	PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
+	PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+	PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
+	PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
+	PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+	PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+
+#undef PHY_ERR
+}
+
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf)
+{
+#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
+#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
+
+	struct ath_desc *ds = bf->bf_desc;
+	u32 phyerr;
+
+	if (ds->ds_rxstat.rs_status & ATH9K_RXERR_CRC)
+		RX_STAT_INC(crc_err);
+	if (ds->ds_rxstat.rs_status & ATH9K_RXERR_DECRYPT)
+		RX_STAT_INC(decrypt_crc_err);
+	if (ds->ds_rxstat.rs_status & ATH9K_RXERR_MIC)
+		RX_STAT_INC(mic_err);
+	if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_PRE)
+		RX_STAT_INC(pre_delim_crc_err);
+	if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_POST)
+		RX_STAT_INC(post_delim_crc_err);
+	if (ds->ds_rxstat.rs_status & ATH9K_RX_DECRYPT_BUSY)
+		RX_STAT_INC(decrypt_busy_err);
+
+	if (ds->ds_rxstat.rs_status & ATH9K_RXERR_PHY) {
+		RX_STAT_INC(phy_err);
+		phyerr = ds->ds_rxstat.rs_phyerr & 0x24;
+		RX_PHY_ERR_INC(phyerr);
+	}
+
+#undef RX_STAT_INC
+#undef RX_PHY_ERR_INC
+}
+
+static const struct file_operations fops_recv = {
+	.read = read_file_recv,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE
+};
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -632,6 +742,13 @@ int ath9k_init_debug(struct ath_hw *ah)
 	if (!sc->debug.debugfs_xmit)
 		goto err;
 
+	sc->debug.debugfs_recv = debugfs_create_file("recv",
+						     S_IRUSR,
+						     sc->debug.debugfs_phy,
+						     sc, &fops_recv);
+	if (!sc->debug.debugfs_recv)
+		goto err;
+
 	return 0;
 err:
 	ath9k_exit_debug(ah);
@@ -643,6 +760,7 @@ void ath9k_exit_debug(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
+	debugfs_remove(sc->debug.debugfs_recv);
 	debugfs_remove(sc->debug.debugfs_xmit);
 	debugfs_remove(sc->debug.debugfs_wiphy);
 	debugfs_remove(sc->debug.debugfs_rcstat);

drivers/net/wireless/ath/ath9k/debug.h

@@ -116,10 +116,35 @@ struct ath_tx_stats {
 	u32 delim_underrun;
 };
 
+/**
+ * struct ath_rx_stats - RX Statistics
+ * @crc_err: No. of frames with incorrect CRC value
+ * @decrypt_crc_err: No. of frames whose CRC check failed after
+	decryption process completed
+ * @phy_err: No. of frames whose reception failed because the PHY
+	encountered an error
+ * @mic_err: No. of frames with incorrect TKIP MIC verification failure
+ * @pre_delim_crc_err: Pre-Frame delimiter CRC error detections
+ * @post_delim_crc_err: Post-Frame delimiter CRC error detections
+ * @decrypt_busy_err: Decryption interruptions counter
+ * @phy_err_stats: Individual PHY error statistics
+ */
+struct ath_rx_stats {
+	u32 crc_err;
+	u32 decrypt_crc_err;
+	u32 phy_err;
+	u32 mic_err;
+	u32 pre_delim_crc_err;
+	u32 post_delim_crc_err;
+	u32 decrypt_busy_err;
+	u32 phy_err_stats[ATH9K_PHYERR_MAX];
+};
+
 struct ath_stats {
 	struct ath_interrupt_stats istats;
 	struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
 	struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
+	struct ath_rx_stats rxstats;
 };
 
 struct ath9k_debug {
@@ -130,6 +155,7 @@ struct ath9k_debug {
 	struct dentry *debugfs_rcstat;
 	struct dentry *debugfs_wiphy;
 	struct dentry *debugfs_xmit;
+	struct dentry *debugfs_recv;
 	struct ath_stats stats;
 };
 
@@ -142,6 +168,7 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
 		       struct ath_buf *bf);
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf);
 void ath_debug_stat_retries(struct ath_softc *sc, int rix,
 			    int xretries, int retries, u8 per);
 
@@ -181,6 +208,11 @@ static inline void ath_debug_stat_tx(struct ath_softc *sc,
 {
 }
 
+static inline void ath_debug_stat_rx(struct ath_softc *sc,
+				     struct ath_buf *bf)
+{
+}
+
 static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
 					  int xretries, int retries, u8 per)
 {

drivers/net/wireless/ath/ath9k/gpio.c

+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ath9k.h"
+
+/********************************/
+/*	 LED functions		*/
+/********************************/
+
+static void ath_led_blink_work(struct work_struct *work)
+{
+	struct ath_softc *sc = container_of(work, struct ath_softc,
+					    ath_led_blink_work.work);
+
+	if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
+		return;
+
+	if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
+	    (sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
+		ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
+	else
+		ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
+				  (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
+
+	ieee80211_queue_delayed_work(sc->hw,
+				     &sc->ath_led_blink_work,
+				     (sc->sc_flags & SC_OP_LED_ON) ?
+					msecs_to_jiffies(sc->led_off_duration) :
+					msecs_to_jiffies(sc->led_on_duration));
+
+	sc->led_on_duration = sc->led_on_cnt ?
+			max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
+			ATH_LED_ON_DURATION_IDLE;
+	sc->led_off_duration = sc->led_off_cnt ?
+			max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
+			ATH_LED_OFF_DURATION_IDLE;
+	sc->led_on_cnt = sc->led_off_cnt = 0;
+	if (sc->sc_flags & SC_OP_LED_ON)
+		sc->sc_flags &= ~SC_OP_LED_ON;
+	else
+		sc->sc_flags |= SC_OP_LED_ON;
+}
+
+static void ath_led_brightness(struct led_classdev *led_cdev,
+			       enum led_brightness brightness)
+{
+	struct ath_led *led = container_of(led_cdev, struct ath_led, led_cdev);
+	struct ath_softc *sc = led->sc;
+
+	switch (brightness) {
+	case LED_OFF:
+		if (led->led_type == ATH_LED_ASSOC ||
+		    led->led_type == ATH_LED_RADIO) {
+			ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin,
+				(led->led_type == ATH_LED_RADIO));
+			sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+			if (led->led_type == ATH_LED_RADIO)
+				sc->sc_flags &= ~SC_OP_LED_ON;
+		} else {
+			sc->led_off_cnt++;
+		}
+		break;
+	case LED_FULL:
+		if (led->led_type == ATH_LED_ASSOC) {
+			sc->sc_flags |= SC_OP_LED_ASSOCIATED;
+			ieee80211_queue_delayed_work(sc->hw,
+						     &sc->ath_led_blink_work, 0);
+		} else if (led->led_type == ATH_LED_RADIO) {
+			ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
+			sc->sc_flags |= SC_OP_LED_ON;
+		} else {
+			sc->led_on_cnt++;
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
+			    char *trigger)
+{
+	int ret;
+
+	led->sc = sc;
+	led->led_cdev.name = led->name;
+	led->led_cdev.default_trigger = trigger;
+	led->led_cdev.brightness_set = ath_led_brightness;
+
+	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
+	if (ret)
+		ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+			  "Failed to register led:%s", led->name);
+	else
+		led->registered = 1;
+	return ret;
+}
+
+static void ath_unregister_led(struct ath_led *led)
+{
+	if (led->registered) {
+		led_classdev_unregister(&led->led_cdev);
+		led->registered = 0;
+	}
+}
+
+void ath_deinit_leds(struct ath_softc *sc)
+{
+	ath_unregister_led(&sc->assoc_led);
+	sc->sc_flags &= ~SC_OP_LED_ASSOCIATED;
+	ath_unregister_led(&sc->tx_led);
+	ath_unregister_led(&sc->rx_led);
+	ath_unregister_led(&sc->radio_led);
+	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+}
+
+void ath_init_leds(struct ath_softc *sc)
+{
+	char *trigger;
+	int ret;
+
+	if (AR_SREV_9287(sc->sc_ah))
+		sc->sc_ah->led_pin = ATH_LED_PIN_9287;
+	else
+		sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
+
+	/* Configure gpio 1 for output */
+	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
+			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+	/* LED off, active low */
+	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
+
+	INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);
+
+	trigger = ieee80211_get_radio_led_name(sc->hw);
+	snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
+		"ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
+	ret = ath_register_led(sc, &sc->radio_led, trigger);
+	sc->radio_led.led_type = ATH_LED_RADIO;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_assoc_led_name(sc->hw);
+	snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
+		"ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
+	ret = ath_register_led(sc, &sc->assoc_led, trigger);
+	sc->assoc_led.led_type = ATH_LED_ASSOC;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_tx_led_name(sc->hw);
+	snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
+		"ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
+	ret = ath_register_led(sc, &sc->tx_led, trigger);
+	sc->tx_led.led_type = ATH_LED_TX;
+	if (ret)
+		goto fail;
+
+	trigger = ieee80211_get_rx_led_name(sc->hw);
+	snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
+		"ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
+	ret = ath_register_led(sc, &sc->rx_led, trigger);
+	sc->rx_led.led_type = ATH_LED_RX;
+	if (ret)
+		goto fail;
+
+	return;
+
+fail:
+	cancel_delayed_work_sync(&sc->ath_led_blink_work);
+	ath_deinit_leds(sc);
+}
+
+/*******************/
+/*	Rfkill	   */
+/*******************/
+
+static bool ath_is_rfkill_set(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+
+	return ath9k_hw_gpio_get(ah, ah->rfkill_gpio) ==
+				  ah->rfkill_polarity;
+}
+
+void ath9k_rfkill_poll_state(struct ieee80211_hw *hw)
+{
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+	bool blocked = !!ath_is_rfkill_set(sc);
+
+	wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
+}
+
+void ath_start_rfkill_poll(struct ath_softc *sc)
+{
+	struct ath_hw *ah = sc->sc_ah;
+
+	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
+		wiphy_rfkill_start_polling(sc->hw->wiphy);
+}
+
+/******************/
+/*     BTCOEX     */
+/******************/
+
+/*
+ * Detects if there is any priority bt traffic
+ */
+static void ath_detect_bt_priority(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
+		btcoex->bt_priority_cnt++;
+
+	if (time_after(jiffies, btcoex->bt_priority_time +
+			msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
+		if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+			ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+				  "BT priority traffic detected");
+			sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
+		} else {
+			sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+		}
+
+		btcoex->bt_priority_cnt = 0;
+		btcoex->bt_priority_time = jiffies;
+	}
+}
+
+/*
+ * Configures appropriate weight based on stomp type.
+ */
+static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
+				  enum ath_stomp_type stomp_type)
+{
+	struct ath_hw *ah = sc->sc_ah;
+
+	switch (stomp_type) {
+	case ATH_BTCOEX_STOMP_ALL:
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_ALL_WLAN_WGHT);
+		break;
+	case ATH_BTCOEX_STOMP_LOW:
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_LOW_WLAN_WGHT);
+		break;
+	case ATH_BTCOEX_STOMP_NONE:
+		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+					   AR_STOMP_NONE_WLAN_WGHT);
+		break;
+	default:
+		ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+			  "Invalid Stomptype\n");
+		break;
+	}
+
+	ath9k_hw_btcoex_enable(ah);
+}
+
+static void ath9k_gen_timer_start(struct ath_hw *ah,
+				  struct ath_gen_timer *timer,
+				  u32 timer_next,
+				  u32 timer_period)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+	ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
+
+	if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
+		ath9k_hw_set_interrupts(ah, 0);
+		sc->imask |= ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, sc->imask);
+	}
+}
+
+static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
+
+	ath9k_hw_gen_timer_stop(ah, timer);
+
+	/* if no timer is enabled, turn off interrupt mask */
+	if (timer_table->timer_mask.val == 0) {
+		ath9k_hw_set_interrupts(ah, 0);
+		sc->imask &= ~ATH9K_INT_GENTIMER;
+		ath9k_hw_set_interrupts(ah, sc->imask);
+	}
+}
+
+/*
+ * This is the master bt coex timer which runs for every
+ * 45ms, bt traffic will be given priority during 55% of this
+ * period while wlan gets remaining 45%
+ */
+static void ath_btcoex_period_timer(unsigned long data)
+{
+	struct ath_softc *sc = (struct ath_softc *) data;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_btcoex *btcoex = &sc->btcoex;
+
+	ath_detect_bt_priority(sc);
+
+	spin_lock_bh(&btcoex->btcoex_lock);
+
+	ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
+
+	spin_unlock_bh(&btcoex->btcoex_lock);
+
+	if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
+		if (btcoex->hw_timer_enabled)
+			ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+		ath9k_gen_timer_start(ah,
+				      btcoex->no_stomp_timer,
+				      (ath9k_hw_gettsf32(ah) +
+				       btcoex->btcoex_no_stomp),
+				       btcoex->btcoex_no_stomp * 10);
+		btcoex->hw_timer_enabled = true;
+	}
+
+	mod_timer(&btcoex->period_timer, jiffies +
+				  msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
+}
+
+/*
+ * Generic tsf based hw timer which configures weight
+ * registers to time slice between wlan and bt traffic
+ */
+static void ath_btcoex_no_stomp_timer(void *arg)
+{
+	struct ath_softc *sc = (struct ath_softc *)arg;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_btcoex *btcoex = &sc->btcoex;
+
+	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+		  "no stomp timer running \n");
+
+	spin_lock_bh(&btcoex->btcoex_lock);
+
+	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
+	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+		ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
+
+	spin_unlock_bh(&btcoex->btcoex_lock);
+}
+
+int ath_init_btcoex_timer(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+
+	btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
+	btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+		btcoex->btcoex_period / 100;
+
+	setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
+			(unsigned long) sc);
+
+	spin_lock_init(&btcoex->btcoex_lock);
+
+	btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
+			ath_btcoex_no_stomp_timer,
+			ath_btcoex_no_stomp_timer,
+			(void *) sc, AR_FIRST_NDP_TIMER);
+
+	if (!btcoex->no_stomp_timer)
+		return -ENOMEM;
+
+	return 0;
+}
+
+/*
+ * (Re)start btcoex timers
+ */
+void ath9k_btcoex_timer_resume(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+		  "Starting btcoex timers");
+
+	/* make sure duty cycle timer is also stopped when resuming */
+	if (btcoex->hw_timer_enabled)
+		ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+
+	btcoex->bt_priority_cnt = 0;
+	btcoex->bt_priority_time = jiffies;
+	sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+
+	mod_timer(&btcoex->period_timer, jiffies);
+}
+
+
+/*
+ * Pause btcoex timer and bt duty cycle timer
+ */
+void ath9k_btcoex_timer_pause(struct ath_softc *sc)
+{
+	struct ath_btcoex *btcoex = &sc->btcoex;
+	struct ath_hw *ah = sc->sc_ah;
+
+	del_timer_sync(&btcoex->period_timer);
+
+	if (btcoex->hw_timer_enabled)
+		ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+	btcoex->hw_timer_enabled = false;
+}

drivers/net/wireless/ath/ath9k/hw.c

@@ -52,28 +52,6 @@ module_exit(ath9k_exit);
 /* Helper Functions */
 /********************/
 
-static u32 ath9k_hw_mac_usec(struct ath_hw *ah, u32 clks)
-{
-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-
-	if (!ah->curchan) /* should really check for CCK instead */
-		return clks / ATH9K_CLOCK_RATE_CCK;
-	if (conf->channel->band == IEEE80211_BAND_2GHZ)
-		return clks / ATH9K_CLOCK_RATE_2GHZ_OFDM;
-
-	return clks / ATH9K_CLOCK_RATE_5GHZ_OFDM;
-}
-
-static u32 ath9k_hw_mac_to_usec(struct ath_hw *ah, u32 clks)
-{
-	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
-
-	if (conf_is_ht40(conf))
-		return ath9k_hw_mac_usec(ah, clks) / 2;
-	else
-		return ath9k_hw_mac_usec(ah, clks);
-}
-
 static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
 {
 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
@@ -413,8 +391,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->beacon_interval = 100;
 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
 	ah->slottime = (u32) -1;
-	ah->acktimeout = (u32) -1;
-	ah->ctstimeout = (u32) -1;
 	ah->globaltxtimeout = (u32) -1;
 	ah->power_mode = ATH9K_PM_UNDEFINED;
 }
@@ -1180,34 +1156,25 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
 	}
 }
 
-static bool ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
+static void ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
 {
-	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_ACK))) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
-			  "bad ack timeout %u\n", us);
-		ah->acktimeout = (u32) -1;
-		return false;
-	} else {
-		REG_RMW_FIELD(ah, AR_TIME_OUT,
-			      AR_TIME_OUT_ACK, ath9k_hw_mac_to_clks(ah, us));
-		ah->acktimeout = us;
-		return true;
-	}
+	u32 val = ath9k_hw_mac_to_clks(ah, us);
+	val = min(val, (u32) 0xFFFF);
+	REG_WRITE(ah, AR_D_GBL_IFS_SLOT, val);
 }
 
-static bool ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
+static void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us)
 {
-	if (us > ath9k_hw_mac_to_usec(ah, MS(0xffffffff, AR_TIME_OUT_CTS))) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
-			  "bad cts timeout %u\n", us);
-		ah->ctstimeout = (u32) -1;
-		return false;
-	} else {
-		REG_RMW_FIELD(ah, AR_TIME_OUT,
-			      AR_TIME_OUT_CTS, ath9k_hw_mac_to_clks(ah, us));
-		ah->ctstimeout = us;
-		return true;
-	}
+	u32 val = ath9k_hw_mac_to_clks(ah, us);
+	val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_ACK));
+	REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_ACK, val);
+}
+
+static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
+{
+	u32 val = ath9k_hw_mac_to_clks(ah, us);
+	val = min(val, (u32) MS(0xFFFFFFFF, AR_TIME_OUT_CTS));
+	REG_RMW_FIELD(ah, AR_TIME_OUT, AR_TIME_OUT_CTS, val);
 }
 
 static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
@@ -1224,25 +1191,37 @@ static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
 	}
 }
 
-static void ath9k_hw_init_user_settings(struct ath_hw *ah)
+void ath9k_hw_init_global_settings(struct ath_hw *ah)
 {
+	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
+	int acktimeout;
+	int slottime;
+	int sifstime;
+
 	ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
 		  ah->misc_mode);
 
 	if (ah->misc_mode != 0)
 		REG_WRITE(ah, AR_PCU_MISC,
 			  REG_READ(ah, AR_PCU_MISC) | ah->misc_mode);
-	if (ah->slottime != (u32) -1)
-		ath9k_hw_setslottime(ah, ah->slottime);
-	if (ah->acktimeout != (u32) -1)
-		ath9k_hw_set_ack_timeout(ah, ah->acktimeout);
-	if (ah->ctstimeout != (u32) -1)
-		ath9k_hw_set_cts_timeout(ah, ah->ctstimeout);
+
+	if (conf->channel && conf->channel->band == IEEE80211_BAND_5GHZ)
+		sifstime = 16;
+	else
+		sifstime = 10;
+
+	/* As defined by IEEE 802.11-2007 17.3.8.6 */
+	slottime = ah->slottime + 3 * ah->coverage_class;
+	acktimeout = slottime + sifstime;
+	ath9k_hw_setslottime(ah, slottime);
+	ath9k_hw_set_ack_timeout(ah, acktimeout);
+	ath9k_hw_set_cts_timeout(ah, acktimeout);
 	if (ah->globaltxtimeout != (u32) -1)
 		ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout);
 }
+EXPORT_SYMBOL(ath9k_hw_init_global_settings);
 
-void ath9k_hw_detach(struct ath_hw *ah)
+void ath9k_hw_deinit(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 
@@ -1260,7 +1239,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	kfree(ah);
 	ah = NULL;
 }
-EXPORT_SYMBOL(ath9k_hw_detach);
+EXPORT_SYMBOL(ath9k_hw_deinit);
 
 /*******/
 /* INI */
@@ -2061,7 +2040,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
 		ath9k_enable_rfkill(ah);
 
-	ath9k_hw_init_user_settings(ah);
+	ath9k_hw_init_global_settings(ah);
 
 	if (AR_SREV_9287_12_OR_LATER(ah)) {
 		REG_WRITE(ah, AR_D_GBL_IFS_SIFS,
@@ -3658,21 +3637,6 @@ u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp)
 }
 EXPORT_SYMBOL(ath9k_hw_extend_tsf);
 
-bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)
-{
-	if (us < ATH9K_SLOT_TIME_9 || us > ath9k_hw_mac_to_usec(ah, 0xffff)) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
-			  "bad slot time %u\n", us);
-		ah->slottime = (u32) -1;
-		return false;
-	} else {
-		REG_WRITE(ah, AR_D_GBL_IFS_SLOT, ath9k_hw_mac_to_clks(ah, us));
-		ah->slottime = us;
-		return true;
-	}
-}
-EXPORT_SYMBOL(ath9k_hw_setslottime);
-
 void ath9k_hw_set11nmac2040(struct ath_hw *ah)
 {
 	struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;

drivers/net/wireless/ath/ath9k/hw.h

@@ -551,10 +551,9 @@ struct ath_hw {
 	u32 *bank6Temp;
 
 	int16_t txpower_indexoffset;
+	int coverage_class;
 	u32 beacon_interval;
 	u32 slottime;
-	u32 acktimeout;
-	u32 ctstimeout;
 	u32 globaltxtimeout;
 
 	/* ANI */
@@ -616,7 +615,7 @@ static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
 
 /* Initialization, Detach, Reset */
 const char *ath9k_hw_probe(u16 vendorid, u16 devid);
-void ath9k_hw_detach(struct ath_hw *ah);
+void ath9k_hw_deinit(struct ath_hw *ah);
 int ath9k_hw_init(struct ath_hw *ah);
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		   bool bChannelChange);
@@ -668,7 +667,7 @@ void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
 void ath9k_hw_reset_tsf(struct ath_hw *ah);
 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting);
 u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp);
-bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
+void ath9k_hw_init_global_settings(struct ath_hw *ah);
 void ath9k_hw_set11nmac2040(struct ath_hw *ah);
 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,

drivers/net/wireless/ath/ath9k/mac.h

@@ -167,6 +167,40 @@ struct ath_rx_status {
 #define ATH9K_RXKEYIX_INVALID	((u8)-1)
 #define ATH9K_TXKEYIX_INVALID	((u32)-1)
 
+enum ath9k_phyerr {
+	ATH9K_PHYERR_UNDERRUN             = 0,  /* Transmit underrun */
+	ATH9K_PHYERR_TIMING               = 1,  /* Timing error */
+	ATH9K_PHYERR_PARITY               = 2,  /* Illegal parity */
+	ATH9K_PHYERR_RATE                 = 3,  /* Illegal rate */
+	ATH9K_PHYERR_LENGTH               = 4,  /* Illegal length */
+	ATH9K_PHYERR_RADAR                = 5,  /* Radar detect */
+	ATH9K_PHYERR_SERVICE              = 6,  /* Illegal service */
+	ATH9K_PHYERR_TOR                  = 7,  /* Transmit override receive */
+
+	ATH9K_PHYERR_OFDM_TIMING          = 17,
+	ATH9K_PHYERR_OFDM_SIGNAL_PARITY   = 18,
+	ATH9K_PHYERR_OFDM_RATE_ILLEGAL    = 19,
+	ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL  = 20,
+	ATH9K_PHYERR_OFDM_POWER_DROP      = 21,
+	ATH9K_PHYERR_OFDM_SERVICE         = 22,
+	ATH9K_PHYERR_OFDM_RESTART         = 23,
+	ATH9K_PHYERR_FALSE_RADAR_EXT      = 24,
+
+	ATH9K_PHYERR_CCK_TIMING           = 25,
+	ATH9K_PHYERR_CCK_HEADER_CRC       = 26,
+	ATH9K_PHYERR_CCK_RATE_ILLEGAL     = 27,
+	ATH9K_PHYERR_CCK_SERVICE          = 30,
+	ATH9K_PHYERR_CCK_RESTART          = 31,
+	ATH9K_PHYERR_CCK_LENGTH_ILLEGAL   = 32,
+	ATH9K_PHYERR_CCK_POWER_DROP       = 33,
+
+	ATH9K_PHYERR_HT_CRC_ERROR         = 34,
+	ATH9K_PHYERR_HT_LENGTH_ILLEGAL    = 35,
+	ATH9K_PHYERR_HT_RATE_ILLEGAL      = 36,
+
+	ATH9K_PHYERR_MAX                  = 37,
+};
+
 struct ath_desc {
 	u32 ds_link;
 	u32 ds_data;

drivers/net/wireless/ath/ath9k/pci.c

@@ -113,25 +113,22 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	u16 subsysid;
 	u32 val;
 	int ret = 0;
-	struct ath_hw *ah;
 	char hw_name[64];
 
 	if (pci_enable_device(pdev))
 		return -EIO;
 
 	ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-
 	if (ret) {
 		printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
-		goto bad;
+		goto err_dma;
 	}
 
 	ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
-
 	if (ret) {
 		printk(KERN_ERR "ath9k: 32-bit DMA consistent "
 			"DMA enable failed\n");
-		goto bad;
+		goto err_dma;
 	}
 
 	/*
@@ -171,22 +168,22 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (ret) {
 		dev_err(&pdev->dev, "PCI memory region reserve error\n");
 		ret = -ENODEV;
-		goto bad;
+		goto err_region;
 	}
 
 	mem = pci_iomap(pdev, 0, 0);
 	if (!mem) {
 		printk(KERN_ERR "PCI memory map error\n") ;
 		ret = -EIO;
-		goto bad1;
+		goto err_iomap;
 	}
 
 	hw = ieee80211_alloc_hw(sizeof(struct ath_wiphy) +
 				sizeof(struct ath_softc), &ath9k_ops);
 	if (!hw) {
-		dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
+		dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 		ret = -ENOMEM;
-		goto bad2;
+		goto err_alloc_hw;
 	}
 
 	SET_IEEE80211_DEV(hw, &pdev->dev);
@@ -201,25 +198,25 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	sc->dev = &pdev->dev;
 	sc->mem = mem;
 
-	pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
-	ret = ath_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to initialize device\n");
-		goto bad3;
-	}
-
-	/* setup interrupt service routine */
+	/* Will be cleared in ath9k_start() */
+	sc->sc_flags |= SC_OP_INVALID;
 
 	ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 	if (ret) {
 		dev_err(&pdev->dev, "request_irq failed\n");
-		goto bad4;
+		goto err_irq;
 	}
 
 	sc->irq = pdev->irq;
 
-	ah = sc->sc_ah;
-	ath9k_hw_name(ah, hw_name, sizeof(hw_name));
+	pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &subsysid);
+	ret = ath9k_init_device(id->device, sc, subsysid, &ath_pci_bus_ops);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to initialize device\n");
+		goto err_init;
+	}
+
+	ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 	printk(KERN_INFO
 	       "%s: %s mem=0x%lx, irq=%d\n",
 	       wiphy_name(hw->wiphy),
@@ -227,15 +224,18 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	       (unsigned long)mem, pdev->irq);
 
 	return 0;
-bad4:
-	ath_detach(sc);
-bad3:
+
+err_init:
+	free_irq(sc->irq, sc);
+err_irq:
 	ieee80211_free_hw(hw);
-bad2:
+err_alloc_hw:
 	pci_iounmap(pdev, mem);
-bad1:
+err_iomap:
 	pci_release_region(pdev, 0);
-bad:
+err_region:
+	/* Nothing */
+err_dma:
 	pci_disable_device(pdev);
 	return ret;
 }
@@ -245,8 +245,12 @@ static void ath_pci_remove(struct pci_dev *pdev)
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
-	ath_cleanup(sc);
+	ath9k_deinit_device(sc);
+	free_irq(sc->irq, sc);
+	ieee80211_free_hw(sc->hw);
+	ath_bus_cleanup(common);
 }
 
 #ifdef CONFIG_PM

drivers/net/wireless/ath/ath9k/recv.c

@@ -364,10 +364,10 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 	if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0)
 		return; /* not from our current AP */
 
-	sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON;
+	sc->ps_flags &= ~PS_WAIT_FOR_BEACON;
 
-	if (sc->sc_flags & SC_OP_BEACON_SYNC) {
-		sc->sc_flags &= ~SC_OP_BEACON_SYNC;
+	if (sc->ps_flags & PS_BEACON_SYNC) {
+		sc->ps_flags &= ~PS_BEACON_SYNC;
 		ath_print(common, ATH_DBG_PS,
 			  "Reconfigure Beacon timers based on "
 			  "timestamp from the AP\n");
@@ -384,17 +384,17 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		 */
 		ath_print(common, ATH_DBG_PS, "Received DTIM beacon indicating "
 			  "buffered broadcast/multicast frame(s)\n");
-		sc->sc_flags |= SC_OP_WAIT_FOR_CAB | SC_OP_WAIT_FOR_BEACON;
+		sc->ps_flags |= PS_WAIT_FOR_CAB | PS_WAIT_FOR_BEACON;
 		return;
 	}
 
-	if (sc->sc_flags & SC_OP_WAIT_FOR_CAB) {
+	if (sc->ps_flags & PS_WAIT_FOR_CAB) {
 		/*
 		 * This can happen if a broadcast frame is dropped or the AP
 		 * fails to send a frame indicating that all CAB frames have
 		 * been delivered.
 		 */
-		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
+		sc->ps_flags &= ~PS_WAIT_FOR_CAB;
 		ath_print(common, ATH_DBG_PS,
 			  "PS wait for CAB frames timed out\n");
 	}
@@ -408,10 +408,10 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 	hdr = (struct ieee80211_hdr *)skb->data;
 
 	/* Process Beacon and CAB receive in PS state */
-	if ((sc->sc_flags & SC_OP_WAIT_FOR_BEACON) &&
+	if ((sc->ps_flags & PS_WAIT_FOR_BEACON) &&
 	    ieee80211_is_beacon(hdr->frame_control))
 		ath_rx_ps_beacon(sc, skb);
-	else if ((sc->sc_flags & SC_OP_WAIT_FOR_CAB) &&
+	else if ((sc->ps_flags & PS_WAIT_FOR_CAB) &&
 		 (ieee80211_is_data(hdr->frame_control) ||
 		  ieee80211_is_action(hdr->frame_control)) &&
 		 is_multicast_ether_addr(hdr->addr1) &&
@@ -420,20 +420,20 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 		 * No more broadcast/multicast frames to be received at this
 		 * point.
 		 */
-		sc->sc_flags &= ~SC_OP_WAIT_FOR_CAB;
+		sc->ps_flags &= ~PS_WAIT_FOR_CAB;
 		ath_print(common, ATH_DBG_PS,
 			  "All PS CAB frames received, back to sleep\n");
-	} else if ((sc->sc_flags & SC_OP_WAIT_FOR_PSPOLL_DATA) &&
+	} else if ((sc->ps_flags & PS_WAIT_FOR_PSPOLL_DATA) &&
 		   !is_multicast_ether_addr(hdr->addr1) &&
 		   !ieee80211_has_morefrags(hdr->frame_control)) {
-		sc->sc_flags &= ~SC_OP_WAIT_FOR_PSPOLL_DATA;
+		sc->ps_flags &= ~PS_WAIT_FOR_PSPOLL_DATA;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having received "
 			  "PS-Poll data (0x%x)\n",
-			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
-					SC_OP_WAIT_FOR_CAB |
-					SC_OP_WAIT_FOR_PSPOLL_DATA |
-					SC_OP_WAIT_FOR_TX_ACK));
+			sc->ps_flags & (PS_WAIT_FOR_BEACON |
+					PS_WAIT_FOR_CAB |
+					PS_WAIT_FOR_PSPOLL_DATA |
+					PS_WAIT_FOR_TX_ACK));
 	}
 }
 
@@ -571,6 +571,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 		hw = ath_get_virt_hw(sc, hdr);
 		rx_stats = &ds->ds_rxstat;
 
+		ath_debug_stat_rx(sc, bf);
+
 		/*
 		 * If we're asked to flush receive queue, directly
 		 * chain it back at the queue without processing it.
@@ -631,9 +633,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush)
 			sc->rx.rxotherant = 0;
 		}
 
-		if (unlikely(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
-					     SC_OP_WAIT_FOR_CAB |
-					     SC_OP_WAIT_FOR_PSPOLL_DATA)))
+		if (unlikely(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+					     PS_WAIT_FOR_CAB |
+					     PS_WAIT_FOR_PSPOLL_DATA)))
 			ath_rx_ps(sc, skb);
 
 		ath_rx_send_to_mac80211(hw, sc, skb, rxs);

drivers/net/wireless/ath/ath9k/virtual.c

@@ -152,7 +152,7 @@ int ath9k_wiphy_add(struct ath_softc *sc)
 
 	SET_IEEE80211_PERM_ADDR(hw, addr);
 
-	ath_set_hw_capab(sc, hw);
+	ath9k_set_hw_capab(sc, hw);
 
 	error = ieee80211_register_hw(hw);
 

drivers/net/wireless/ath/ath9k/xmit.c

@@ -1648,7 +1648,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	/* tag if this is a nullfunc frame to enable PS when AP acks it */
 	if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc)) {
 		bf->bf_isnullfunc = true;
-		sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+		sc->ps_flags &= ~PS_NULLFUNC_COMPLETED;
 	} else
 		bf->bf_isnullfunc = false;
 
@@ -1858,15 +1858,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 		skb_pull(skb, padsize);
 	}
 
-	if (sc->sc_flags & SC_OP_WAIT_FOR_TX_ACK) {
-		sc->sc_flags &= ~SC_OP_WAIT_FOR_TX_ACK;
+	if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
+		sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
 		ath_print(common, ATH_DBG_PS,
 			  "Going back to sleep after having "
 			  "received TX status (0x%x)\n",
-			sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
-					SC_OP_WAIT_FOR_CAB |
-					SC_OP_WAIT_FOR_PSPOLL_DATA |
-					SC_OP_WAIT_FOR_TX_ACK));
+			sc->ps_flags & (PS_WAIT_FOR_BEACON |
+					PS_WAIT_FOR_CAB |
+					PS_WAIT_FOR_PSPOLL_DATA |
+					PS_WAIT_FOR_TX_ACK));
 	}
 
 	if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
@@ -2053,11 +2053,11 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		 */
 		if (bf->bf_isnullfunc &&
 		    (ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
-			if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
+			if ((sc->ps_flags & PS_ENABLED)) {
 				sc->ps_enabled = true;
 				ath9k_hw_setrxabort(sc->sc_ah, 1);
 			} else
-				sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
+				sc->ps_flags |= PS_NULLFUNC_COMPLETED;
 		}
 
 		/*

drivers/net/wireless/b43/b43.h

@@ -253,6 +253,14 @@ enum {
 #define B43_SHM_SH_MAXBFRAMES		0x0080	/* Maximum number of frames in a burst */
 #define B43_SHM_SH_SPUWKUP		0x0094	/* pre-wakeup for synth PU in us */
 #define B43_SHM_SH_PRETBTT		0x0096	/* pre-TBTT in us */
+/* SHM_SHARED tx iq workarounds */
+#define B43_SHM_SH_NPHY_TXIQW0		0x0700
+#define B43_SHM_SH_NPHY_TXIQW1		0x0702
+#define B43_SHM_SH_NPHY_TXIQW2		0x0704
+#define B43_SHM_SH_NPHY_TXIQW3		0x0706
+/* SHM_SHARED tx pwr ctrl */
+#define B43_SHM_SH_NPHY_TXPWR_INDX0	0x0708
+#define B43_SHM_SH_NPHY_TXPWR_INDX1	0x070E
 
 /* SHM_SCRATCH offsets */
 #define B43_SHM_SC_MINCONT		0x0003	/* Minimum contention window */

drivers/net/wireless/b43/main.c

@@ -67,7 +67,12 @@ MODULE_AUTHOR("Gábor Stefanik");
 MODULE_LICENSE("GPL");
 
 MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID);
-
+MODULE_FIRMWARE("b43/ucode11.fw");
+MODULE_FIRMWARE("b43/ucode13.fw");
+MODULE_FIRMWARE("b43/ucode14.fw");
+MODULE_FIRMWARE("b43/ucode15.fw");
+MODULE_FIRMWARE("b43/ucode5.fw");
+MODULE_FIRMWARE("b43/ucode9.fw");
 
 static int modparam_bad_frames_preempt;
 module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
@@ -113,6 +118,7 @@ static const struct ssb_device_id b43_ssb_tbl[] = {
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11),
+	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12),
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15),
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16),

drivers/net/wireless/b43/phy_lp.c

@@ -80,6 +80,7 @@ static void b43_lpphy_op_free(struct b43_wldev *dev)
 	dev->phy.lp = NULL;
 }
 
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/LP/ReadBandSrom */
 static void lpphy_read_band_sprom(struct b43_wldev *dev)
 {
 	struct b43_phy_lp *lpphy = dev->phy.lp;
@@ -101,6 +102,12 @@ static void lpphy_read_band_sprom(struct b43_wldev *dev)
 		maxpwr = bus->sprom.maxpwr_bg;
 		lpphy->max_tx_pwr_med_band = maxpwr;
 		cckpo = bus->sprom.cck2gpo;
+		/*
+		 * We don't read SPROM's opo as specs say. On rev8 SPROMs
+		 * opo == ofdm2gpo and we don't know any SSB with LP-PHY
+		 * and SPROM rev below 8.
+		 */
+		B43_WARN_ON(bus->sprom.revision < 8);
 		ofdmpo = bus->sprom.ofdm2gpo;
 		if (cckpo) {
 			for (i = 0; i < 4; i++) {
@@ -1703,19 +1710,6 @@ static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = {
 	.c0 = 0,
 };
 
-static u8 lpphy_nbits(s32 val)
-{
-	u32 tmp = abs(val);
-	u8 nbits = 0;
-
-	while (tmp != 0) {
-		nbits++;
-		tmp >>= 1;
-	}
-
-	return nbits;
-}
-
 static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)
 {
 	struct lpphy_iq_est iq_est;
@@ -1742,8 +1736,8 @@ static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)
 		goto out;
 	}
 
-	prod_msb = lpphy_nbits(prod);
-	q_msb = lpphy_nbits(qpwr);
+	prod_msb = fls(abs(prod));
+	q_msb = fls(abs(qpwr));
 	tmp1 = prod_msb - 20;
 
 	if (tmp1 >= 0) {

drivers/net/wireless/b43/phy_n.h

@@ -231,6 +231,7 @@
 #define B43_NPHY_C2_TXIQ_COMP_OFF		B43_PHY_N(0x088) /* Core 2 TX I/Q comp offset */
 #define B43_NPHY_C1_TXCTL			B43_PHY_N(0x08B) /* Core 1 TX control */
 #define B43_NPHY_C2_TXCTL			B43_PHY_N(0x08C) /* Core 2 TX control */
+#define B43_NPHY_AFECTL_OVER1			B43_PHY_N(0x08F) /* AFE control override 1 */
 #define B43_NPHY_SCRAM_SIGCTL			B43_PHY_N(0x090) /* Scram signal control */
 #define  B43_NPHY_SCRAM_SIGCTL_INITST		0x007F /* Initial state value */
 #define  B43_NPHY_SCRAM_SIGCTL_INITST_SHIFT	0
@@ -705,6 +706,10 @@
 #define B43_NPHY_TXPCTL_INIT			B43_PHY_N(0x222) /* TX power controll init */
 #define  B43_NPHY_TXPCTL_INIT_PIDXI1		0x00FF /* Power index init 1 */
 #define  B43_NPHY_TXPCTL_INIT_PIDXI1_SHIFT	0
+#define B43_NPHY_PAPD_EN0			B43_PHY_N(0x297) /* PAPD Enable0 TBD */
+#define B43_NPHY_EPS_TABLE_ADJ0			B43_PHY_N(0x298) /* EPS Table Adj0 TBD */
+#define B43_NPHY_PAPD_EN1			B43_PHY_N(0x29B) /* PAPD Enable1 TBD */
+#define B43_NPHY_EPS_TABLE_ADJ1			B43_PHY_N(0x29C) /* EPS Table Adj1 TBD */
 
 
 
@@ -919,8 +924,88 @@
 
 struct b43_wldev;
 
+struct b43_phy_n_iq_comp {
+	s16 a0;
+	s16 b0;
+	s16 a1;
+	s16 b1;
+};
+
+struct b43_phy_n_rssical_cache {
+	u16 rssical_radio_regs_2G[2];
+	u16 rssical_phy_regs_2G[12];
+
+	u16 rssical_radio_regs_5G[2];
+	u16 rssical_phy_regs_5G[12];
+};
+
+struct b43_phy_n_cal_cache {
+	u16 txcal_radio_regs_2G[8];
+	u16 txcal_coeffs_2G[8];
+	struct b43_phy_n_iq_comp rxcal_coeffs_2G;
+
+	u16 txcal_radio_regs_5G[8];
+	u16 txcal_coeffs_5G[8];
+	struct b43_phy_n_iq_comp rxcal_coeffs_5G;
+};
+
+struct b43_phy_n_txpwrindex {
+	s8 index;
+	s8 index_internal;
+	s8 index_internal_save;
+	u16 AfectrlOverride;
+	u16 AfeCtrlDacGain;
+	u16 rad_gain;
+	u8 bbmult;
+	u16 iqcomp_a;
+	u16 iqcomp_b;
+	u16 locomp;
+};
+
 struct b43_phy_n {
-	//TODO lots of missing stuff
+	u8 antsel_type;
+	u8 cal_orig_pwr_idx[2];
+	u8 measure_hold;
+	u8 phyrxchain;
+	u8 perical;
+	u32 deaf_count;
+	u32 rxcalparams;
+	bool hang_avoid;
+	bool mute;
+	u16 papd_epsilon_offset[2];
+
+	u8 mphase_cal_phase_id;
+	u16 mphase_txcal_cmdidx;
+	u16 mphase_txcal_numcmds;
+	u16 mphase_txcal_bestcoeffs[11];
+
+	u8 txpwrctrl;
+	u16 txcal_bbmult;
+	u16 txiqlocal_bestc[11];
+	bool txiqlocal_coeffsvalid;
+	struct b43_phy_n_txpwrindex txpwrindex[2];
+
+	u16 tx_rx_cal_phy_saveregs[11];
+	u16 tx_rx_cal_radio_saveregs[22];
+
+	u16 rfctrl_intc1_save;
+	u16 rfctrl_intc2_save;
+
+	u16 classifier_state;
+	u16 clip_state[2];
+
+	bool ipa2g_on;
+	u8 iqcal_chanspec_2G;
+	u8 rssical_chanspec_2G;
+
+	bool ipa5g_on;
+	u8 iqcal_chanspec_5G;
+	u8 rssical_chanspec_5G;
+
+	struct b43_phy_n_rssical_cache rssical_cache;
+	struct b43_phy_n_cal_cache cal_cache;
+	bool crsminpwr_adjusted;
+	bool noisevars_adjusted;
 };
 
 

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -1961,7 +1961,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
 	struct ieee80211_tx_info *info;
 	struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
 	u32  status = le32_to_cpu(tx_resp->u.status);
-	int tid = MAX_TID_COUNT;
+	int tid = MAX_TID_COUNT - 1;
 	int sta_id;
 	int freed;
 	u8 *qc = NULL;

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -2955,6 +2955,9 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
 			return 0;
 		else
 			return ret;
+	case IEEE80211_AMPDU_TX_OPERATIONAL:
+		/* do nothing */
+		return -EOPNOTSUPP;
 	default:
 		IWL_DEBUG_HT(priv, "unknown\n");
 		return -EINVAL;