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

drivers/net/wireless/ath/ar9170/main.c

@@ -1945,7 +1945,8 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
 static int ar9170_ampdu_action(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif,
 			       enum ieee80211_ampdu_mlme_action action,
-			       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+			       struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			       u8 buf_size)
 {
 	switch (action) {
 	case IEEE80211_AMPDU_RX_START:

drivers/net/wireless/ath/ath.h

@@ -108,12 +108,14 @@ enum ath_cipher {
  * struct ath_ops - Register read/write operations
  *
  * @read: Register read
+ * @multi_read: Multiple register read
  * @write: Register write
  * @enable_write_buffer: Enable multiple register writes
  * @write_flush: flush buffered register writes and disable buffering
  */
 struct ath_ops {
 	unsigned int (*read)(void *, u32 reg_offset);
+	void (*multi_read)(void *, u32 *addr, u32 *val, u16 count);
 	void (*write)(void *, u32 val, u32 reg_offset);
 	void (*enable_write_buffer)(void *);
 	void (*write_flush) (void *);

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

@@ -31,7 +31,8 @@ static void ath5k_ahb_read_cachesize(struct ath_common *common, int *csz)
 	*csz = L1_CACHE_BYTES >> 2;
 }
 
-bool ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
+static bool
+ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
 	struct ath5k_softc *sc = common->priv;
 	struct platform_device *pdev = to_platform_device(sc->dev);
@@ -46,10 +47,10 @@ bool ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 
 	eeprom += off;
 	if (eeprom > eeprom_end)
-		return -EINVAL;
+		return false;
 
 	*data = *eeprom;
-	return 0;
+	return true;
 }
 
 int ath5k_hw_read_srev(struct ath5k_hw *ah)

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

@@ -241,74 +241,69 @@ static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *re
 * Channel/mode setup *
 \********************/
 
-/*
- * Convert IEEE channel number to MHz frequency.
- */
-static inline short
-ath5k_ieee2mhz(short chan)
-{
-	if (chan <= 14 || chan >= 27)
-		return ieee80211chan2mhz(chan);
-	else
-		return 2212 + chan * 20;
-}
-
 /*
  * Returns true for the channel numbers used without all_channels modparam.
  */
-static bool ath5k_is_standard_channel(short chan)
+static bool ath5k_is_standard_channel(short chan, enum ieee80211_band band)
 {
-	return ((chan <= 14) ||
-		/* UNII 1,2 */
-		((chan & 3) == 0 && chan >= 36 && chan <= 64) ||
+	if (band == IEEE80211_BAND_2GHZ && chan <= 14)
+		return true;
+
+	return	/* UNII 1,2 */
+		(((chan & 3) == 0 && chan >= 36 && chan <= 64) ||
 		/* midband */
 		((chan & 3) == 0 && chan >= 100 && chan <= 140) ||
 		/* UNII-3 */
-		((chan & 3) == 1 && chan >= 149 && chan <= 165));
+		((chan & 3) == 1 && chan >= 149 && chan <= 165) ||
+		/* 802.11j 5.030-5.080 GHz (20MHz) */
+		(chan == 8 || chan == 12 || chan == 16) ||
+		/* 802.11j 4.9GHz (20MHz) */
+		(chan == 184 || chan == 188 || chan == 192 || chan == 196));
 }
 
 static unsigned int
-ath5k_copy_channels(struct ath5k_hw *ah,
-		struct ieee80211_channel *channels,
-		unsigned int mode,
-		unsigned int max)
+ath5k_setup_channels(struct ath5k_hw *ah, struct ieee80211_channel *channels,
+		unsigned int mode, unsigned int max)
 {
-	unsigned int i, count, size, chfreq, freq, ch;
-
-	if (!test_bit(mode, ah->ah_modes))
-		return 0;
+	unsigned int count, size, chfreq, freq, ch;
+	enum ieee80211_band band;
 
 	switch (mode) {
 	case AR5K_MODE_11A:
 		/* 1..220, but 2GHz frequencies are filtered by check_channel */
-		size = 220 ;
+		size = 220;
 		chfreq = CHANNEL_5GHZ;
+		band = IEEE80211_BAND_5GHZ;
 		break;
 	case AR5K_MODE_11B:
 	case AR5K_MODE_11G:
 		size = 26;
 		chfreq = CHANNEL_2GHZ;
+		band = IEEE80211_BAND_2GHZ;
 		break;
 	default:
 		ATH5K_WARN(ah->ah_sc, "bad mode, not copying channels\n");
 		return 0;
 	}
 
-	for (i = 0, count = 0; i < size && max > 0; i++) {
-		ch = i + 1 ;
-		freq = ath5k_ieee2mhz(ch);
+	count = 0;
+	for (ch = 1; ch <= size && count < max; ch++) {
+		freq = ieee80211_channel_to_frequency(ch, band);
+
+		if (freq == 0) /* mapping failed - not a standard channel */
+			continue;
 
 		/* Check if channel is supported by the chipset */
 		if (!ath5k_channel_ok(ah, freq, chfreq))
 			continue;
 
-		if (!modparam_all_channels && !ath5k_is_standard_channel(ch))
+		if (!modparam_all_channels &&
+		    !ath5k_is_standard_channel(ch, band))
 			continue;
 
 		/* Write channel info and increment counter */
 		channels[count].center_freq = freq;
-		channels[count].band = (chfreq == CHANNEL_2GHZ) ?
-			IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+		channels[count].band = band;
 		switch (mode) {
 		case AR5K_MODE_11A:
 		case AR5K_MODE_11G:
@@ -319,7 +314,6 @@ ath5k_copy_channels(struct ath5k_hw *ah,
 		}
 
 		count++;
-		max--;
 	}
 
 	return count;
@@ -364,7 +358,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
 		sband->n_bitrates = 12;
 
 		sband->channels = sc->channels;
-		sband->n_channels = ath5k_copy_channels(ah, sband->channels,
+		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11G, max_c);
 
 		hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
@@ -390,7 +384,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
 		}
 
 		sband->channels = sc->channels;
-		sband->n_channels = ath5k_copy_channels(ah, sband->channels,
+		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11B, max_c);
 
 		hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
@@ -410,7 +404,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
 		sband->n_bitrates = 8;
 
 		sband->channels = &sc->channels[count_c];
-		sband->n_channels = ath5k_copy_channels(ah, sband->channels,
+		sband->n_channels = ath5k_setup_channels(ah, sband->channels,
 					AR5K_MODE_11A, max_c);
 
 		hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
@@ -445,18 +439,6 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 	return ath5k_reset(sc, chan, true);
 }
 
-static void
-ath5k_setcurmode(struct ath5k_softc *sc, unsigned int mode)
-{
-	sc->curmode = mode;
-
-	if (mode == AR5K_MODE_11A) {
-		sc->curband = &sc->sbands[IEEE80211_BAND_5GHZ];
-	} else {
-		sc->curband = &sc->sbands[IEEE80211_BAND_2GHZ];
-	}
-}
-
 struct ath_vif_iter_data {
 	const u8	*hw_macaddr;
 	u8		mask[ETH_ALEN];
@@ -569,7 +551,7 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
 			"hw_rix out of bounds: %x\n", hw_rix))
 		return 0;
 
-	rix = sc->rate_idx[sc->curband->band][hw_rix];
+	rix = sc->rate_idx[sc->curchan->band][hw_rix];
 	if (WARN(rix < 0, "invalid hw_rix: %x\n", hw_rix))
 		rix = 0;
 
@@ -1379,7 +1361,7 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb,
 	rxs->flag |= RX_FLAG_TSFT;
 
 	rxs->freq = sc->curchan->center_freq;
-	rxs->band = sc->curband->band;
+	rxs->band = sc->curchan->band;
 
 	rxs->signal = sc->ah->ah_noise_floor + rs->rs_rssi;
 
@@ -1394,7 +1376,7 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb,
 	rxs->flag |= ath5k_rx_decrypted(sc, skb, rs);
 
 	if (rxs->rate_idx >= 0 && rs->rs_rate ==
-	    sc->curband->bitrates[rxs->rate_idx].hw_value_short)
+	    sc->sbands[sc->curchan->band].bitrates[rxs->rate_idx].hw_value_short)
 		rxs->flag |= RX_FLAG_SHORTPRE;
 
 	ath5k_debug_dump_skb(sc, skb, "RX  ", 0);
@@ -2554,7 +2536,6 @@ ath5k_init_hw(struct ath5k_softc *sc)
 	 * and then setup of the interrupt mask.
 	 */
 	sc->curchan = sc->hw->conf.channel;
-	sc->curband = &sc->sbands[sc->curchan->band];
 	sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL |
 		AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL |
 		AR5K_INT_FATAL | AR5K_INT_GLOBAL | AR5K_INT_MIB;
@@ -2681,10 +2662,8 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
 	 * so we should also free any remaining
 	 * tx buffers */
 	ath5k_drain_tx_buffs(sc);
-	if (chan) {
+	if (chan)
 		sc->curchan = chan;
-		sc->curband = &sc->sbands[chan->band];
-	}
 	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL,
 								skip_pcu);
 	if (ret) {
@@ -2782,12 +2761,6 @@ ath5k_init(struct ieee80211_hw *hw)
 		goto err;
 	}
 
-	/* NB: setup here so ath5k_rate_update is happy */
-	if (test_bit(AR5K_MODE_11A, ah->ah_modes))
-		ath5k_setcurmode(sc, AR5K_MODE_11A);
-	else
-		ath5k_setcurmode(sc, AR5K_MODE_11B);
-
 	/*
 	 * Allocate tx+rx descriptors and populate the lists.
 	 */

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

@@ -183,8 +183,6 @@ struct ath5k_softc {
 	enum nl80211_iftype	opmode;
 	struct ath5k_hw		*ah;		/* Atheros HW */
 
-	struct ieee80211_supported_band		*curband;
-
 #ifdef CONFIG_ATH5K_DEBUG
 	struct ath5k_dbg_info	debug;		/* debug info */
 #endif /* CONFIG_ATH5K_DEBUG */
@@ -202,7 +200,6 @@ struct ath5k_softc {
 #define ATH_STAT_STARTED	4		/* opened & irqs enabled */
 
 	unsigned int		filter_flags;	/* HW flags, AR5K_RX_FILTER_* */
-	unsigned int		curmode;	/* current phy mode */
 	struct ieee80211_channel *curchan;	/* current h/w channel */
 
 	u16			nvifs;

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

@@ -72,7 +72,6 @@ static int
 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, eep_max = AR5K_EEPROM_INFO_MAX;
 
@@ -192,7 +191,7 @@ static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset,
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	u32 o = *offset;
 	u16 val;
-	int ret, i = 0;
+	int i = 0;
 
 	AR5K_EEPROM_READ(o++, val);
 	ee->ee_switch_settling[mode]	= (val >> 8) & 0x7f;
@@ -252,7 +251,6 @@ static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset,
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	u32 o = *offset;
 	u16 val;
-	int ret;
 
 	ee->ee_n_piers[mode] = 0;
 	AR5K_EEPROM_READ(o++, val);
@@ -515,7 +513,6 @@ ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max,
 	int o = *offset;
 	int i = 0;
 	u8 freq1, freq2;
-	int ret;
 	u16 val;
 
 	ee->ee_n_piers[mode] = 0;
@@ -551,7 +548,7 @@ ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset)
 {
 	struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
 	struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a;
-	int i, ret;
+	int i;
 	u16 val;
 	u8 mask;
 
@@ -970,7 +967,6 @@ ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode)
 	u32 offset;
 	u8 i, c;
 	u16 val;
-	int ret;
 	u8 pd_gains = 0;
 
 	/* Count how many curves we have and
@@ -1228,7 +1224,7 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
 	struct ath5k_chan_pcal_info *chinfo;
 	u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
 	u32 offset;
-	int idx, i, ret;
+	int idx, i;
 	u16 val;
 	u8 pd_gains = 0;
 
@@ -1419,7 +1415,7 @@ ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode)
 	u8 *rate_target_pwr_num;
 	u32 offset;
 	u16 val;
-	int ret, i;
+	int i;
 
 	offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1);
 	rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode];
@@ -1593,7 +1589,7 @@ ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah)
 	struct ath5k_edge_power *rep;
 	unsigned int fmask, pmask;
 	unsigned int ctl_mode;
-	int ret, i, j;
+	int i, j;
 	u32 offset;
 	u16 val;
 
@@ -1733,16 +1729,12 @@ int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
 	u8 mac_d[ETH_ALEN] = {};
 	u32 total, offset;
 	u16 data;
-	int octet, ret;
+	int octet;
 
-	ret = ath5k_hw_nvram_read(ah, 0x20, &data);
-	if (ret)
-		return ret;
+	AR5K_EEPROM_READ(0x20, data);
 
 	for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) {
-		ret = ath5k_hw_nvram_read(ah, offset, &data);
-		if (ret)
-			return ret;
+		AR5K_EEPROM_READ(offset, data);
 
 		total += data;
 		mac_d[octet + 1] = data & 0xff;

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

@@ -241,9 +241,8 @@ enum ath5k_eeprom_freq_bands{
 #define	AR5K_SPUR_SYMBOL_WIDTH_TURBO_100Hz	6250
 
 #define AR5K_EEPROM_READ(_o, _v) do {			\
-	ret = ath5k_hw_nvram_read(ah, (_o), &(_v));	\
-	if (ret)					\
-		return ret;				\
+	if (!ath5k_hw_nvram_read(ah, (_o), &(_v)))	\
+		return -EIO;				\
 } while (0)
 
 #define AR5K_EEPROM_READ_HDR(_o, _v)					\
@@ -269,29 +268,6 @@ enum ath5k_ctl_mode {
 	AR5K_CTL_MODE_M = 15,
 };
 
-/* Default CTL ids for the 3 main reg domains.
- * Atheros only uses these by default but vendors
- * can have up to 32 different CTLs for different
- * scenarios. Note that theese values are ORed with
- * the mode id (above) so we can have up to 24 CTL
- * datasets out of these 3 main regdomains. That leaves
- * 8 ids that can be used by vendors and since 0x20 is
- * missing from HAL sources i guess this is the set of
- * custom CTLs vendors can use. */
-#define	AR5K_CTL_FCC	0x10
-#define	AR5K_CTL_CUSTOM	0x20
-#define	AR5K_CTL_ETSI	0x30
-#define	AR5K_CTL_MKK	0x40
-
-/* Indicates a CTL with only mode set and
- * no reg domain mapping, such CTLs are used
- * for world roaming domains or simply when
- * a reg domain is not set */
-#define	AR5K_CTL_NO_REGDOMAIN	0xf0
-
-/* Indicates an empty (invalid) CTL */
-#define AR5K_CTL_NO_CTL		0xff
-
 /* Per channel calibration data, used for power table setup */
 struct ath5k_chan_pcal_info_rf5111 {
 	/* Power levels in half dbm units

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

@@ -69,7 +69,8 @@ static void ath5k_pci_read_cachesize(struct ath_common *common, int *csz)
 /*
  * Read from eeprom
  */
-bool ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
+static bool
+ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
 {
 	struct ath5k_hw *ah = (struct ath5k_hw *) common->ah;
 	u32 status, timeout;
@@ -90,15 +91,15 @@ bool ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
 		status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS);
 		if (status & AR5K_EEPROM_STAT_RDDONE) {
 			if (status & AR5K_EEPROM_STAT_RDERR)
-				return -EIO;
+				return false;
 			*data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) &
 					0xffff);
-			return 0;
+			return true;
 		}
 		udelay(15);
 	}
 
-	return -ETIMEDOUT;
+	return false;
 }
 
 int ath5k_hw_read_srev(struct ath5k_hw *ah)

drivers/net/wireless/ath/ath9k/ar9002_calib.c

@@ -805,7 +805,10 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
 
-	if (AR_SREV_9271(ah) || AR_SREV_9285_12_OR_LATER(ah)) {
+	if (AR_SREV_9271(ah)) {
+		if (!ar9285_hw_cl_cal(ah, chan))
+			return false;
+	} else if (AR_SREV_9285_12_OR_LATER(ah)) {
 		if (!ar9285_hw_clc(ah, chan))
 			return false;
 	} else {

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

@@ -3959,19 +3959,19 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 {
 #define POW_SM(_r, _s)     (((_r) & 0x3f) << (_s))
 	/* make sure forced gain is not set */
-	REG_WRITE(ah, 0xa458, 0);
+	REG_WRITE(ah, AR_PHY_TX_FORCED_GAIN, 0);
 
 	/* Write the OFDM power per rate set */
 
 	/* 6 (LSB), 9, 12, 18 (MSB) */
-	REG_WRITE(ah, 0xa3c0,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(0),
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 8) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_6_24], 0));
 
 	/* 24 (LSB), 36, 48, 54 (MSB) */
-	REG_WRITE(ah, 0xa3c4,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(1),
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_54], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_48], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_36], 8) |
@@ -3980,14 +3980,14 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	/* Write the CCK power per rate set */
 
 	/* 1L (LSB), reserved, 2L, 2S (MSB) */
-	REG_WRITE(ah, 0xa3c8,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(2),
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 16) |
 		  /* POW_SM(txPowerTimes2,  8) | this is reserved for AR9003 */
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_1L_5L], 0));
 
 	/* 5.5L (LSB), 5.5S, 11L, 11S (MSB) */
-	REG_WRITE(ah, 0xa3cc,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(3),
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_11S], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_11L], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_LEGACY_5S], 8) |
@@ -3997,7 +3997,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	/* Write the HT20 power per rate set */
 
 	/* 0/8/16 (LSB), 1-3/9-11/17-19, 4, 5 (MSB) */
-	REG_WRITE(ah, 0xa3d0,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(4),
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_5], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_4], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_1_3_9_11_17_19], 8) |
@@ -4005,7 +4005,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	    );
 
 	/* 6 (LSB), 7, 12, 13 (MSB) */
-	REG_WRITE(ah, 0xa3d4,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(5),
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_13], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_12], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_7], 8) |
@@ -4013,7 +4013,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	    );
 
 	/* 14 (LSB), 15, 20, 21 */
-	REG_WRITE(ah, 0xa3e4,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(9),
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_21], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_20], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_15], 8) |
@@ -4023,7 +4023,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	/* Mixed HT20 and HT40 rates */
 
 	/* HT20 22 (LSB), HT20 23, HT40 22, HT40 23 (MSB) */
-	REG_WRITE(ah, 0xa3e8,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(10),
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_23], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_22], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT20_23], 8) |
@@ -4035,7 +4035,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	 * correct PAR difference between HT40 and HT20/LEGACY
 	 * 0/8/16 (LSB), 1-3/9-11/17-19, 4, 5 (MSB)
 	 */
-	REG_WRITE(ah, 0xa3d8,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(6),
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_5], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_4], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_1_3_9_11_17_19], 8) |
@@ -4043,7 +4043,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	    );
 
 	/* 6 (LSB), 7, 12, 13 (MSB) */
-	REG_WRITE(ah, 0xa3dc,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(7),
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_13], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_12], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_7], 8) |
@@ -4051,7 +4051,7 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
 	    );
 
 	/* 14 (LSB), 15, 20, 21 */
-	REG_WRITE(ah, 0xa3ec,
+	REG_WRITE(ah, AR_PHY_POWER_TX_RATE(11),
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_21], 24) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_20], 16) |
 		  POW_SM(pPwrArray[ALL_TARGET_HT40_15], 8) |

drivers/net/wireless/ath/ath9k/ar9003_mac.c

@@ -615,7 +615,7 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
 		 */
 		if (rxsp->status11 & AR_CRCErr)
 			rxs->rs_status |= ATH9K_RXERR_CRC;
-		if (rxsp->status11 & AR_PHYErr) {
+		else if (rxsp->status11 & AR_PHYErr) {
 			phyerr = MS(rxsp->status11, AR_PHYErrCode);
 			/*
 			 * If we reach a point here where AR_PostDelimCRCErr is
@@ -638,11 +638,11 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
 				rxs->rs_phyerr = phyerr;
 			}
 
-		}
-		if (rxsp->status11 & AR_DecryptCRCErr)
+		} else if (rxsp->status11 & AR_DecryptCRCErr)
 			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
-		if (rxsp->status11 & AR_MichaelErr)
+		else if (rxsp->status11 & AR_MichaelErr)
 			rxs->rs_status |= ATH9K_RXERR_MIC;
+
 		if (rxsp->status11 & AR_KeyMiss)
 			rxs->rs_status |= ATH9K_RXERR_DECRYPT;
 	}

drivers/net/wireless/ath/ath9k/ar9003_phy.h

@@ -486,6 +486,8 @@
 #define AR_PHY_HEAVYCLIP_40      (AR_SM_BASE + 0x1ac)
 #define AR_PHY_ILLEGAL_TXRATE    (AR_SM_BASE + 0x1b0)
 
+#define AR_PHY_POWER_TX_RATE(_d) (AR_SM_BASE + 0x1c0 + ((_d) << 2))
+
 #define AR_PHY_PWRTX_MAX         (AR_SM_BASE + 0x1f0)
 #define AR_PHY_POWER_TX_SUB      (AR_SM_BASE + 0x1f4)
 

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

@@ -95,9 +95,9 @@ struct ath_config {
  * @BUF_XRETRY: To denote excessive retries of the buffer
  */
 enum buffer_type {
-	BUF_AMPDU		= BIT(2),
-	BUF_AGGR		= BIT(3),
-	BUF_XRETRY		= BIT(5),
+	BUF_AMPDU		= BIT(0),
+	BUF_AGGR		= BIT(1),
+	BUF_XRETRY		= BIT(2),
 };
 
 #define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
@@ -137,7 +137,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
 	 WME_AC_VO)
 
-#define ADDBA_EXCHANGE_ATTEMPTS    10
 #define ATH_AGGR_DELIM_SZ          4
 #define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
 /* number of delimiters for encryption padding */
@@ -184,7 +183,8 @@ enum ATH_AGGR_STATUS {
 
 #define ATH_TXFIFO_DEPTH 8
 struct ath_txq {
-	u32 axq_qnum;
+	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
+	u32 axq_qnum; /* ath9k hardware queue number */
 	u32 *axq_link;
 	struct list_head axq_q;
 	spinlock_t axq_lock;
@@ -254,7 +254,10 @@ struct ath_atx_tid {
 };
 
 struct ath_node {
-	struct ath_common *common;
+#ifdef CONFIG_ATH9K_DEBUGFS
+	struct list_head list; /* for sc->nodes */
+	struct ieee80211_sta *sta; /* station struct we're part of */
+#endif
 	struct ath_atx_tid tid[WME_NUM_TID];
 	struct ath_atx_ac ac[WME_NUM_AC];
 	u16 maxampdu;
@@ -277,6 +280,11 @@ struct ath_tx_control {
 #define ATH_TX_XRETRY       0x02
 #define ATH_TX_BAR          0x04
 
+/**
+ * @txq_map:  Index is mac80211 queue number.  This is
+ *  not necessarily the same as the hardware queue number
+ *  (axq_qnum).
+ */
 struct ath_tx {
 	u16 seq_no;
 	u32 txqsetup;
@@ -342,7 +350,6 @@ struct ath_vif {
 	__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
 	enum nl80211_iftype av_opmode;
 	struct ath_buf *av_bcbuf;
-	struct ath_tx_control av_btxctl;
 	u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
 };
 
@@ -560,6 +567,20 @@ struct ath_ant_comb {
 struct ath_wiphy;
 struct ath_rate_table;
 
+struct ath9k_vif_iter_data {
+	const u8 *hw_macaddr; /* phy's hardware address, set
+			       * before starting iteration for
+			       * valid bssid mask.
+			       */
+	u8 mask[ETH_ALEN]; /* bssid mask */
+	int naps;      /* number of AP vifs */
+	int nmeshes;   /* number of mesh vifs */
+	int nstations; /* number of station vifs */
+	int nwds;      /* number of nwd vifs */
+	int nadhocs;   /* number of adhoc vifs */
+	int nothers;   /* number of vifs not specified above. */
+};
+
 struct ath_softc {
 	struct ieee80211_hw *hw;
 	struct device *dev;
@@ -599,10 +620,10 @@ struct ath_softc {
 	u32 sc_flags; /* SC_OP_* */
 	u16 ps_flags; /* PS_* */
 	u16 curtxpow;
-	u8 nbcnvifs;
-	u16 nvifs;
 	bool ps_enabled;
 	bool ps_idle;
+	short nbcnvifs;
+	short nvifs;
 	unsigned long ps_usecount;
 
 	struct ath_config config;
@@ -625,6 +646,9 @@ struct ath_softc {
 
 #ifdef CONFIG_ATH9K_DEBUGFS
 	struct ath9k_debug debug;
+	spinlock_t nodes_lock;
+	struct list_head nodes; /* basically, stations */
+	unsigned int tx_complete_poll_work_seen;
 #endif
 	struct ath_beacon_config cur_beacon_conf;
 	struct delayed_work tx_complete_work;
@@ -683,6 +707,7 @@ 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);
+bool ath9k_uses_beacons(int type);
 
 #ifdef CONFIG_PCI
 int ath_pci_init(void);
@@ -727,5 +752,9 @@ bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
 
 void ath_start_rfkill_poll(struct ath_softc *sc);
 extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
+void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       struct ath9k_vif_iter_data *iter_data);
+
 
 #endif /* ATH9K_H */

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

@@ -244,9 +244,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 						 struct ath_buf, list);
 		list_del(&avp->av_bcbuf->list);
 
-		if (sc->sc_ah->opmode == NL80211_IFTYPE_AP ||
-		    sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC ||
-		    sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) {
+		if (ath9k_uses_beacons(vif->type)) {
 			int slot;
 			/*
 			 * Assign the vif to a beacon xmit slot. As
@@ -281,10 +279,8 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
 
 	/* NB: the beacon data buffer must be 32-bit aligned. */
 	skb = ieee80211_beacon_get(sc->hw, vif);
-	if (skb == NULL) {
-		ath_dbg(common, ATH_DBG_BEACON, "cannot get skb\n");
+	if (skb == NULL)
 		return -ENOMEM;
-	}
 
 	tstamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
 	sc->beacon.bc_tstamp = le64_to_cpu(tstamp);
@@ -720,10 +716,10 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
 		iftype = sc->sc_ah->opmode;
 	}
 
-		cur_conf->listen_interval = 1;
-		cur_conf->dtim_count = 1;
-		cur_conf->bmiss_timeout =
-			ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
+	cur_conf->listen_interval = 1;
+	cur_conf->dtim_count = 1;
+	cur_conf->bmiss_timeout =
+		ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
 
 	/*
 	 * It looks like mac80211 may end up using beacon interval of zero in

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

@@ -382,9 +382,8 @@ void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
 	s16 default_nf;
 	int i, j;
 
-	if (!ah->caldata)
-		return;
-
+	ah->caldata->channel = chan->channel;
+	ah->caldata->channelFlags = chan->channelFlags & ~CHANNEL_CW_INT;
 	h = ah->caldata->nfCalHist;
 	default_nf = ath9k_hw_get_default_nf(ah, chan);
 	for (i = 0; i < NUM_NF_READINGS; i++) {

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

@@ -587,26 +587,60 @@ static const struct file_operations fops_wiphy = {
 		sc->debug.stats.txstats[WME_AC_BK].elem, \
 		sc->debug.stats.txstats[WME_AC_VI].elem, \
 		sc->debug.stats.txstats[WME_AC_VO].elem); \
+		if (len >= size)			  \
+			goto done;			  \
 } while(0)
 
+#define PRX(str, elem)							\
+do {									\
+	len += snprintf(buf + len, size - len,				\
+			"%s%13u%11u%10u%10u\n", str,			\
+			(unsigned int)(sc->tx.txq[ATH_TXQ_AC_BE].elem),	\
+			(unsigned int)(sc->tx.txq[ATH_TXQ_AC_BK].elem),	\
+			(unsigned int)(sc->tx.txq[ATH_TXQ_AC_VI].elem),	\
+			(unsigned int)(sc->tx.txq[ATH_TXQ_AC_VO].elem));	\
+	if (len >= size)						\
+		goto done;						\
+} while(0)
+
+#define PRQLE(str, elem)						\
+do {									\
+	len += snprintf(buf + len, size - len,				\
+			"%s%13i%11i%10i%10i\n", str,			\
+			list_empty(&sc->tx.txq[ATH_TXQ_AC_BE].elem),	\
+			list_empty(&sc->tx.txq[ATH_TXQ_AC_BK].elem),	\
+			list_empty(&sc->tx.txq[ATH_TXQ_AC_VI].elem),	\
+			list_empty(&sc->tx.txq[ATH_TXQ_AC_VO].elem));	\
+	if (len >= size)						\
+		goto done;						\
+} while (0)
+
 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 			      size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
 	char *buf;
-	unsigned int len = 0, size = 2048;
+	unsigned int len = 0, size = 8000;
+	int i;
 	ssize_t retval = 0;
+	char tmp[32];
 
 	buf = kzalloc(size, GFP_KERNEL);
 	if (buf == NULL)
 		return -ENOMEM;
 
-	len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
+	len += sprintf(buf, "Num-Tx-Queues: %i  tx-queues-setup: 0x%x"
+		       " poll-work-seen: %u\n"
+		       "%30s %10s%10s%10s\n\n",
+		       ATH9K_NUM_TX_QUEUES, sc->tx.txqsetup,
+		       sc->tx_complete_poll_work_seen,
+		       "BE", "BK", "VI", "VO");
 
 	PR("MPDUs Queued:    ", queued);
 	PR("MPDUs Completed: ", completed);
 	PR("Aggregates:      ", a_aggr);
-	PR("AMPDUs Queued:   ", a_queued);
+	PR("AMPDUs Queued HW:", a_queued_hw);
+	PR("AMPDUs Queued SW:", a_queued_sw);
 	PR("AMPDUs Completed:", a_completed);
 	PR("AMPDUs Retried:  ", a_retries);
 	PR("AMPDUs XRetried: ", a_xretries);
@@ -618,6 +652,223 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 	PR("DELIM Underrun:  ", delim_underrun);
 	PR("TX-Pkts-All:     ", tx_pkts_all);
 	PR("TX-Bytes-All:    ", tx_bytes_all);
+	PR("hw-put-tx-buf:   ", puttxbuf);
+	PR("hw-tx-start:     ", txstart);
+	PR("hw-tx-proc-desc: ", txprocdesc);
+	len += snprintf(buf + len, size - len,
+			"%s%11p%11p%10p%10p\n", "txq-memory-address:",
+			&(sc->tx.txq[ATH_TXQ_AC_BE]),
+			&(sc->tx.txq[ATH_TXQ_AC_BK]),
+			&(sc->tx.txq[ATH_TXQ_AC_VI]),
+			&(sc->tx.txq[ATH_TXQ_AC_VO]));
+	if (len >= size)
+		goto done;
+
+	PRX("axq-qnum:        ", axq_qnum);
+	PRX("axq-depth:       ", axq_depth);
+	PRX("axq-ampdu_depth: ", axq_ampdu_depth);
+	PRX("axq-stopped      ", stopped);
+	PRX("tx-in-progress   ", axq_tx_inprogress);
+	PRX("pending-frames   ", pending_frames);
+	PRX("txq_headidx:     ", txq_headidx);
+	PRX("txq_tailidx:     ", txq_headidx);
+
+	PRQLE("axq_q empty:       ", axq_q);
+	PRQLE("axq_acq empty:     ", axq_acq);
+	PRQLE("txq_fifo_pending:  ", txq_fifo_pending);
+	for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
+		snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
+		PRQLE(tmp, txq_fifo[i]);
+	}
+
+	/* Print out more detailed queue-info */
+	for (i = 0; i <= WME_AC_BK; i++) {
+		struct ath_txq *txq = &(sc->tx.txq[i]);
+		struct ath_atx_ac *ac;
+		struct ath_atx_tid *tid;
+		if (len >= size)
+			goto done;
+		spin_lock_bh(&txq->axq_lock);
+		if (!list_empty(&txq->axq_acq)) {
+			ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
+					      list);
+			len += snprintf(buf + len, size - len,
+					"txq[%i] first-ac: %p sched: %i\n",
+					i, ac, ac->sched);
+			if (list_empty(&ac->tid_q) || (len >= size))
+				goto done_for;
+			tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+					       list);
+			len += snprintf(buf + len, size - len,
+					" first-tid: %p sched: %i paused: %i\n",
+					tid, tid->sched, tid->paused);
+		}
+	done_for:
+		spin_unlock_bh(&txq->axq_lock);
+	}
+
+done:
+	if (len > size)
+		len = size;
+
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static ssize_t read_file_stations(struct file *file, char __user *user_buf,
+				  size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char *buf;
+	unsigned int len = 0, size = 64000;
+	struct ath_node *an = NULL;
+	ssize_t retval = 0;
+	int q;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	len += snprintf(buf + len, size - len,
+			"Stations:\n"
+			" tid: addr sched paused buf_q-empty an ac\n"
+			" ac: addr sched tid_q-empty txq\n");
+
+	spin_lock(&sc->nodes_lock);
+	list_for_each_entry(an, &sc->nodes, list) {
+		len += snprintf(buf + len, size - len,
+				"%pM\n", an->sta->addr);
+		if (len >= size)
+			goto done;
+
+		for (q = 0; q < WME_NUM_TID; q++) {
+			struct ath_atx_tid *tid = &(an->tid[q]);
+			len += snprintf(buf + len, size - len,
+					" tid: %p %s %s %i %p %p\n",
+					tid, tid->sched ? "sched" : "idle",
+					tid->paused ? "paused" : "running",
+					list_empty(&tid->buf_q),
+					tid->an, tid->ac);
+			if (len >= size)
+				goto done;
+		}
+
+		for (q = 0; q < WME_NUM_AC; q++) {
+			struct ath_atx_ac *ac = &(an->ac[q]);
+			len += snprintf(buf + len, size - len,
+					" ac: %p %s %i %p\n",
+					ac, ac->sched ? "sched" : "idle",
+					list_empty(&ac->tid_q), ac->txq);
+			if (len >= size)
+				goto done;
+		}
+	}
+
+done:
+	spin_unlock(&sc->nodes_lock);
+	if (len > size)
+		len = size;
+
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static ssize_t read_file_misc(struct file *file, char __user *user_buf,
+			      size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+	struct ath_hw *ah = sc->sc_ah;
+	struct ieee80211_hw *hw = sc->hw;
+	char *buf;
+	unsigned int len = 0, size = 8000;
+	ssize_t retval = 0;
+	const char *tmp;
+	unsigned int reg;
+	struct ath9k_vif_iter_data iter_data;
+
+	ath9k_calculate_iter_data(hw, NULL, &iter_data);
+	
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	switch (sc->sc_ah->opmode) {
+	case  NL80211_IFTYPE_ADHOC:
+		tmp = "ADHOC";
+		break;
+	case  NL80211_IFTYPE_MESH_POINT:
+		tmp = "MESH";
+		break;
+	case  NL80211_IFTYPE_AP:
+		tmp = "AP";
+		break;
+	case  NL80211_IFTYPE_STATION:
+		tmp = "STATION";
+		break;
+	default:
+		tmp = "???";
+		break;
+	}
+
+	len += snprintf(buf + len, size - len,
+			"curbssid: %pM\n"
+			"OP-Mode: %s(%i)\n"
+			"Beacon-Timer-Register: 0x%x\n",
+			common->curbssid,
+			tmp, (int)(sc->sc_ah->opmode),
+			REG_READ(ah, AR_BEACON_PERIOD));
+
+	reg = REG_READ(ah, AR_TIMER_MODE);
+	len += snprintf(buf + len, size - len, "Timer-Mode-Register: 0x%x (",
+			reg);
+	if (reg & AR_TBTT_TIMER_EN)
+		len += snprintf(buf + len, size - len, "TBTT ");
+	if (reg & AR_DBA_TIMER_EN)
+		len += snprintf(buf + len, size - len, "DBA ");
+	if (reg & AR_SWBA_TIMER_EN)
+		len += snprintf(buf + len, size - len, "SWBA ");
+	if (reg & AR_HCF_TIMER_EN)
+		len += snprintf(buf + len, size - len, "HCF ");
+	if (reg & AR_TIM_TIMER_EN)
+		len += snprintf(buf + len, size - len, "TIM ");
+	if (reg & AR_DTIM_TIMER_EN)
+		len += snprintf(buf + len, size - len, "DTIM ");
+	len += snprintf(buf + len, size - len, ")\n");
+
+	reg = sc->sc_ah->imask;
+	len += snprintf(buf + len, size - len, "imask: 0x%x (", reg);
+	if (reg & ATH9K_INT_SWBA)
+		len += snprintf(buf + len, size - len, "SWBA ");
+	if (reg & ATH9K_INT_BMISS)
+		len += snprintf(buf + len, size - len, "BMISS ");
+	if (reg & ATH9K_INT_CST)
+		len += snprintf(buf + len, size - len, "CST ");
+	if (reg & ATH9K_INT_RX)
+		len += snprintf(buf + len, size - len, "RX ");
+	if (reg & ATH9K_INT_RXHP)
+		len += snprintf(buf + len, size - len, "RXHP ");
+	if (reg & ATH9K_INT_RXLP)
+		len += snprintf(buf + len, size - len, "RXLP ");
+	if (reg & ATH9K_INT_BB_WATCHDOG)
+		len += snprintf(buf + len, size - len, "BB_WATCHDOG ");
+	/* there are other IRQs if one wanted to add them. */
+	len += snprintf(buf + len, size - len, ")\n");
+
+	len += snprintf(buf + len, size - len,
+			"VIF Counts: AP: %i STA: %i MESH: %i WDS: %i"
+			" ADHOC: %i OTHER: %i nvifs: %hi beacon-vifs: %hi\n",
+			iter_data.naps, iter_data.nstations, iter_data.nmeshes,
+			iter_data.nwds, iter_data.nadhocs, iter_data.nothers,
+			sc->nvifs, sc->nbcnvifs);
+
+	len += snprintf(buf + len, size - len,
+			"Calculated-BSSID-Mask: %pM\n",
+			iter_data.mask);
 
 	if (len > size)
 		len = size;
@@ -666,6 +917,20 @@ static const struct file_operations fops_xmit = {
 	.llseek = default_llseek,
 };
 
+static const struct file_operations fops_stations = {
+	.read = read_file_stations,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+static const struct file_operations fops_misc = {
+	.read = read_file_misc,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 			      size_t count, loff_t *ppos)
 {
@@ -903,6 +1168,14 @@ int ath9k_init_debug(struct ath_hw *ah)
 			sc, &fops_xmit))
 		goto err;
 
+	if (!debugfs_create_file("stations", S_IRUSR, sc->debug.debugfs_phy,
+			sc, &fops_stations))
+		goto err;
+
+	if (!debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy,
+			sc, &fops_misc))
+		goto err;
+
 	if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy,
 			sc, &fops_recv))
 		goto err;

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

@@ -89,7 +89,8 @@ struct ath_interrupt_stats {
  * @queued: Total MPDUs (non-aggr) queued
  * @completed: Total MPDUs (non-aggr) completed
  * @a_aggr: Total no. of aggregates queued
- * @a_queued: Total AMPDUs queued
+ * @a_queued_hw: Total AMPDUs queued to hardware
+ * @a_queued_sw: Total AMPDUs queued to software queues
  * @a_completed: Total AMPDUs completed
  * @a_retries: No. of AMPDUs retried (SW)
  * @a_xretries: No. of AMPDUs dropped due to xretries
@@ -102,6 +103,9 @@ struct ath_interrupt_stats {
  * @desc_cfg_err: Descriptor configuration errors
  * @data_urn: TX data underrun errors
  * @delim_urn: TX delimiter underrun errors
+ * @puttxbuf: Number of times hardware was given txbuf to write.
+ * @txstart:  Number of times hardware was told to start tx.
+ * @txprocdesc:  Number of times tx descriptor was processed
  */
 struct ath_tx_stats {
 	u32 tx_pkts_all;
@@ -109,7 +113,8 @@ struct ath_tx_stats {
 	u32 queued;
 	u32 completed;
 	u32 a_aggr;
-	u32 a_queued;
+	u32 a_queued_hw;
+	u32 a_queued_sw;
 	u32 a_completed;
 	u32 a_retries;
 	u32 a_xretries;
@@ -119,6 +124,9 @@ struct ath_tx_stats {
 	u32 desc_cfg_err;
 	u32 data_underrun;
 	u32 delim_underrun;
+	u32 puttxbuf;
+	u32 txstart;
+	u32 txprocdesc;
 };
 
 /**

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

@@ -89,6 +89,38 @@ bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
 	return false;
 }
 
+void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
+				  int eep_start_loc, int size)
+{
+	int i = 0, j, addr;
+	u32 addrdata[8];
+	u32 data[8];
+
+	for (addr = 0; addr < size; addr++) {
+		addrdata[i] = AR5416_EEPROM_OFFSET +
+			((addr + eep_start_loc) << AR5416_EEPROM_S);
+		i++;
+		if (i == 8) {
+			REG_READ_MULTI(ah, addrdata, data, i);
+
+			for (j = 0; j < i; j++) {
+				*eep_data = data[j];
+				eep_data++;
+			}
+			i = 0;
+		}
+	}
+
+	if (i != 0) {
+		REG_READ_MULTI(ah, addrdata, data, i);
+
+		for (j = 0; j < i; j++) {
+			*eep_data = data[j];
+			eep_data++;
+		}
+	}
+}
+
 bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data)
 {
 	return common->bus_ops->eeprom_read(common, off, data);

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

@@ -665,6 +665,8 @@ int16_t ath9k_hw_interpolate(u16 target, u16 srcLeft, u16 srcRight,
 bool ath9k_hw_get_lower_upper_index(u8 target, u8 *pList, u16 listSize,
 				    u16 *indexL, u16 *indexR);
 bool ath9k_hw_nvram_read(struct ath_common *common, u32 off, u16 *data);
+void ath9k_hw_usb_gen_fill_eeprom(struct ath_hw *ah, u16 *eep_data,
+				  int eep_start_loc, int size);
 void ath9k_hw_fill_vpd_table(u8 pwrMin, u8 pwrMax, u8 *pPwrList,
 			     u8 *pVpdList, u16 numIntercepts,
 			     u8 *pRetVpdList);

drivers/net/wireless/ath/ath9k/eeprom_4k.c

@@ -27,19 +27,13 @@ static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah)
 	return ((ah->eeprom.map4k.baseEepHeader.version) & 0xFFF);
 }
 
-static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
-{
 #define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))
+
+static bool __ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
+{
 	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data = (u16 *)&ah->eeprom.map4k;
-	int addr, eep_start_loc = 0;
-
-	eep_start_loc = 64;
-
-	if (!ath9k_hw_use_flash(ah)) {
-		ath_dbg(common, ATH_DBG_EEPROM,
-			"Reading from EEPROM, not flash\n");
-	}
+	int addr, eep_start_loc = 64;
 
 	for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
 		if (!ath9k_hw_nvram_read(common, addr + eep_start_loc, eep_data)) {
@@ -51,9 +45,34 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
 	}
 
 	return true;
-#undef SIZE_EEPROM_4K
 }
 
+static bool __ath9k_hw_usb_4k_fill_eeprom(struct ath_hw *ah)
+{
+	u16 *eep_data = (u16 *)&ah->eeprom.map4k;
+
+	ath9k_hw_usb_gen_fill_eeprom(ah, eep_data, 64, SIZE_EEPROM_4K);
+
+	return true;
+}
+
+static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	if (!ath9k_hw_use_flash(ah)) {
+		ath_dbg(common, ATH_DBG_EEPROM,
+			"Reading from EEPROM, not flash\n");
+	}
+
+	if (common->bus_ops->ath_bus_type == ATH_USB)
+		return __ath9k_hw_usb_4k_fill_eeprom(ah);
+	else
+		return __ath9k_hw_4k_fill_eeprom(ah);
+}
+
+#undef SIZE_EEPROM_4K
+
 static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
 {
 #define EEPROM_4K_SIZE (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))

drivers/net/wireless/ath/ath9k/eeprom_9287.c

@@ -17,7 +17,7 @@
 #include "hw.h"
 #include "ar9002_phy.h"
 
-#define NUM_EEP_WORDS (sizeof(struct ar9287_eeprom) / sizeof(u16))
+#define SIZE_EEPROM_AR9287 (sizeof(struct ar9287_eeprom) / sizeof(u16))
 
 static int ath9k_hw_ar9287_get_eeprom_ver(struct ath_hw *ah)
 {
@@ -29,25 +29,15 @@ static int ath9k_hw_ar9287_get_eeprom_rev(struct ath_hw *ah)
 	return (ah->eeprom.map9287.baseEepHeader.version) & 0xFFF;
 }
 
-static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
+static bool __ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
 {
 	struct ar9287_eeprom *eep = &ah->eeprom.map9287;
 	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data;
-	int addr, eep_start_loc;
+	int addr, eep_start_loc = AR9287_EEP_START_LOC;
 	eep_data = (u16 *)eep;
 
-	if (common->bus_ops->ath_bus_type == ATH_USB)
-		eep_start_loc = AR9287_HTC_EEP_START_LOC;
-	else
-		eep_start_loc = AR9287_EEP_START_LOC;
-
-	if (!ath9k_hw_use_flash(ah)) {
-		ath_dbg(common, ATH_DBG_EEPROM,
-			"Reading from EEPROM, not flash\n");
-	}
-
-	for (addr = 0; addr < NUM_EEP_WORDS; addr++) {
+	for (addr = 0; addr < SIZE_EEPROM_AR9287; addr++) {
 		if (!ath9k_hw_nvram_read(common, addr + eep_start_loc,
 					 eep_data)) {
 			ath_dbg(common, ATH_DBG_EEPROM,
@@ -60,6 +50,31 @@ static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
 	return true;
 }
 
+static bool __ath9k_hw_usb_ar9287_fill_eeprom(struct ath_hw *ah)
+{
+	u16 *eep_data = (u16 *)&ah->eeprom.map9287;
+
+	ath9k_hw_usb_gen_fill_eeprom(ah, eep_data,
+				     AR9287_HTC_EEP_START_LOC,
+				     SIZE_EEPROM_AR9287);
+	return true;
+}
+
+static bool ath9k_hw_ar9287_fill_eeprom(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	if (!ath9k_hw_use_flash(ah)) {
+		ath_dbg(common, ATH_DBG_EEPROM,
+			"Reading from EEPROM, not flash\n");
+	}
+
+	if (common->bus_ops->ath_bus_type == ATH_USB)
+		return __ath9k_hw_usb_ar9287_fill_eeprom(ah);
+	else
+		return __ath9k_hw_ar9287_fill_eeprom(ah);
+}
+
 static int ath9k_hw_ar9287_check_eeprom(struct ath_hw *ah)
 {
 	u32 sum = 0, el, integer;
@@ -86,7 +101,7 @@ static int ath9k_hw_ar9287_check_eeprom(struct ath_hw *ah)
 				need_swap = true;
 				eepdata = (u16 *)(&ah->eeprom);
 
-				for (addr = 0; addr < NUM_EEP_WORDS; addr++) {
+				for (addr = 0; addr < SIZE_EEPROM_AR9287; addr++) {
 					temp = swab16(*eepdata);
 					*eepdata = temp;
 					eepdata++;

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

@@ -86,9 +86,10 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
 	return ((ah->eeprom.def.baseEepHeader.version) & 0xFFF);
 }
 
-static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
-{
 #define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
+
+static bool __ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
+{
 	struct ath_common *common = ath9k_hw_common(ah);
 	u16 *eep_data = (u16 *)&ah->eeprom.def;
 	int addr, ar5416_eep_start_loc = 0x100;
@@ -103,9 +104,34 @@ static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
 		eep_data++;
 	}
 	return true;
-#undef SIZE_EEPROM_DEF
 }
 
+static bool __ath9k_hw_usb_def_fill_eeprom(struct ath_hw *ah)
+{
+	u16 *eep_data = (u16 *)&ah->eeprom.def;
+
+	ath9k_hw_usb_gen_fill_eeprom(ah, eep_data,
+				     0x100, SIZE_EEPROM_DEF);
+	return true;
+}
+
+static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
+{
+	struct ath_common *common = ath9k_hw_common(ah);
+
+	if (!ath9k_hw_use_flash(ah)) {
+		ath_dbg(common, ATH_DBG_EEPROM,
+			"Reading from EEPROM, not flash\n");
+	}
+
+	if (common->bus_ops->ath_bus_type == ATH_USB)
+		return __ath9k_hw_usb_def_fill_eeprom(ah);
+	else
+		return __ath9k_hw_def_fill_eeprom(ah);
+}
+
+#undef SIZE_EEPROM_DEF
+
 static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
 {
 	struct ar5416_eeprom_def *eep =

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

@@ -366,7 +366,7 @@ struct ath9k_htc_priv {
 	u16 seq_no;
 	u32 bmiss_cnt;
 
-	struct ath9k_hw_cal_data caldata[ATH9K_NUM_CHANNELS];
+	struct ath9k_hw_cal_data caldata;
 
 	spinlock_t beacon_lock;
 

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

@@ -297,6 +297,34 @@ static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset)
 	return be32_to_cpu(val);
 }
 
+static void ath9k_multi_regread(void *hw_priv, u32 *addr,
+				u32 *val, u16 count)
+{
+	struct ath_hw *ah = (struct ath_hw *) hw_priv;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+	__be32 tmpaddr[8];
+	__be32 tmpval[8];
+	int i, ret;
+
+       for (i = 0; i < count; i++) {
+	       tmpaddr[i] = cpu_to_be32(addr[i]);
+       }
+
+       ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID,
+			   (u8 *)tmpaddr , sizeof(u32) * count,
+			   (u8 *)tmpval, sizeof(u32) * count,
+			   100);
+	if (unlikely(ret)) {
+		ath_dbg(common, ATH_DBG_WMI,
+			"Multiple REGISTER READ FAILED (count: %d)\n", count);
+	}
+
+       for (i = 0; i < count; i++) {
+	       val[i] = be32_to_cpu(tmpval[i]);
+       }
+}
+
 static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset)
 {
 	struct ath_hw *ah = (struct ath_hw *) hw_priv;
@@ -407,6 +435,7 @@ static void ath9k_regwrite_flush(void *hw_priv)
 
 static const struct ath_ops ath9k_common_ops = {
 	.read = ath9k_regread,
+	.multi_read = ath9k_multi_regread,
 	.write = ath9k_regwrite,
 	.enable_write_buffer = ath9k_enable_regwrite_buffer,
 	.write_flush = ath9k_regwrite_flush,

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

@@ -121,7 +121,7 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
 	struct ath_hw *ah = priv->ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ieee80211_channel *channel = priv->hw->conf.channel;
-	struct ath9k_hw_cal_data *caldata;
+	struct ath9k_hw_cal_data *caldata = NULL;
 	enum htc_phymode mode;
 	__be16 htc_mode;
 	u8 cmd_rsp;
@@ -139,7 +139,7 @@ void ath9k_htc_reset(struct ath9k_htc_priv *priv)
 	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);
 	WMI_CMD(WMI_STOP_RECV_CMDID);
 
-	caldata = &priv->caldata[channel->hw_value];
+	caldata = &priv->caldata;
 	ret = ath9k_hw_reset(ah, ah->curchan, caldata, false);
 	if (ret) {
 		ath_err(common,
@@ -202,7 +202,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
 		channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf),
 		fastcc);
 
-	caldata = &priv->caldata[channel->hw_value];
+	if (!fastcc)
+		caldata = &priv->caldata;
 	ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
 	if (ret) {
 		ath_err(common,
@@ -1548,7 +1549,7 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
 				  struct ieee80211_vif *vif,
 				  enum ieee80211_ampdu_mlme_action action,
 				  struct ieee80211_sta *sta,
-				  u16 tid, u16 *ssn)
+				  u16 tid, u16 *ssn, u8 buf_size)
 {
 	struct ath9k_htc_priv *priv = hw->priv;
 	struct ath9k_htc_sta *ista;

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

@@ -495,6 +495,17 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 	if (ah->hw_version.devid == AR5416_AR9100_DEVID)
 		ah->hw_version.macVersion = AR_SREV_VERSION_9100;
 
+	ath9k_hw_read_revisions(ah);
+
+	/*
+	 * Read back AR_WA into a permanent copy and set bits 14 and 17.
+	 * We need to do this to avoid RMW of this register. We cannot
+	 * read the reg when chip is asleep.
+	 */
+	ah->WARegVal = REG_READ(ah, AR_WA);
+	ah->WARegVal |= (AR_WA_D3_L1_DISABLE |
+			 AR_WA_ASPM_TIMER_BASED_DISABLE);
+
 	if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
 		ath_err(common, "Couldn't reset chip\n");
 		return -EIO;
@@ -563,14 +574,6 @@ static int __ath9k_hw_init(struct ath_hw *ah)
 
 	ath9k_hw_init_mode_regs(ah);
 
-	/*
-	 * Read back AR_WA into a permanent copy and set bits 14 and 17.
-	 * We need to do this to avoid RMW of this register. We cannot
-	 * read the reg when chip is asleep.
-	 */
-	ah->WARegVal = REG_READ(ah, AR_WA);
-	ah->WARegVal |= (AR_WA_D3_L1_DISABLE |
-			 AR_WA_ASPM_TIMER_BASED_DISABLE);
 
 	if (ah->is_pciexpress)
 		ath9k_hw_configpcipowersave(ah, 0, 0);
@@ -1082,8 +1085,6 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
 		return false;
 	}
 
-	ath9k_hw_read_revisions(ah);
-
 	return ath9k_hw_set_reset(ah, ATH9K_RESET_WARM);
 }
 

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

@@ -70,6 +70,9 @@
 #define REG_READ(_ah, _reg) \
 	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
+#define REG_READ_MULTI(_ah, _addr, _val, _cnt)		\
+	ath9k_hw_common(_ah)->ops->multi_read((_ah), (_addr), (_val), (_cnt))
+
 #define ENABLE_REGWRITE_BUFFER(_ah)					\
 	do {								\
 		if (ath9k_hw_common(_ah)->ops->enable_write_buffer)	\

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

@@ -442,9 +442,10 @@ static int ath9k_init_queues(struct ath_softc *sc)
 	sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
 	ath_cabq_update(sc);
 
-	for (i = 0; i < WME_NUM_AC; i++)
+	for (i = 0; i < WME_NUM_AC; i++) {
 		sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
-
+		sc->tx.txq_map[i]->mac80211_qnum = i;
+	}
 	return 0;
 }
 
@@ -537,6 +538,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	if (!ah)
 		return -ENOMEM;
 
+	ah->hw = sc->hw;
 	ah->hw_version.devid = devid;
 	ah->hw_version.subsysid = subsysid;
 	sc->sc_ah = ah;
@@ -558,6 +560,10 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	spin_lock_init(&sc->sc_serial_rw);
 	spin_lock_init(&sc->sc_pm_lock);
 	mutex_init(&sc->mutex);
+#ifdef CONFIG_ATH9K_DEBUGFS
+	spin_lock_init(&sc->nodes_lock);
+	INIT_LIST_HEAD(&sc->nodes);
+#endif
 	tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
 	tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
 		     (unsigned long)sc);

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

@@ -690,17 +690,23 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 		rs->rs_flags |= ATH9K_RX_DECRYPT_BUSY;
 
 	if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
+		/*
+		 * Treat these errors as mutually exclusive to avoid spurious
+		 * extra error reports from the hardware. If a CRC error is
+		 * reported, then decryption and MIC errors are irrelevant,
+		 * the frame is going to be dropped either way
+		 */
 		if (ads.ds_rxstatus8 & AR_CRCErr)
 			rs->rs_status |= ATH9K_RXERR_CRC;
-		if (ads.ds_rxstatus8 & AR_PHYErr) {
+		else if (ads.ds_rxstatus8 & AR_PHYErr) {
 			rs->rs_status |= ATH9K_RXERR_PHY;
 			phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
 			rs->rs_phyerr = phyerr;
-		}
-		if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
+		} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
 			rs->rs_status |= ATH9K_RXERR_DECRYPT;
-		if (ads.ds_rxstatus8 & AR_MichaelErr)
+		else if (ads.ds_rxstatus8 & AR_MichaelErr)
 			rs->rs_status |= ATH9K_RXERR_MIC;
+
 		if (ads.ds_rxstatus8 & AR_KeyMiss)
 			rs->rs_status |= ATH9K_RXERR_DECRYPT;
 	}

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

@@ -251,6 +251,9 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 	if (!ath_stoprecv(sc))
 		stopped = false;
 
+	if (!ath9k_hw_check_alive(ah))
+		stopped = false;
+
 	/* XXX: do not flush receive queue here. We don't want
 	 * to flush data frames already in queue because of
 	 * changing channel. */
@@ -545,6 +548,12 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
 	struct ath_hw *ah = sc->sc_ah;
 	an = (struct ath_node *)sta->drv_priv;
 
+#ifdef CONFIG_ATH9K_DEBUGFS
+	spin_lock(&sc->nodes_lock);
+	list_add(&an->list, &sc->nodes);
+	spin_unlock(&sc->nodes_lock);
+	an->sta = sta;
+#endif
 	if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
 		sc->sc_flags |= SC_OP_ENABLE_APM;
 
@@ -560,6 +569,13 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
 {
 	struct ath_node *an = (struct ath_node *)sta->drv_priv;
 
+#ifdef CONFIG_ATH9K_DEBUGFS
+	spin_lock(&sc->nodes_lock);
+	list_del(&an->list);
+	spin_unlock(&sc->nodes_lock);
+	an->sta = NULL;
+#endif
+
 	if (sc->sc_flags & SC_OP_TXAGGR)
 		ath_tx_node_cleanup(sc, an);
 }
@@ -600,7 +616,15 @@ void ath9k_tasklet(unsigned long data)
 	ath9k_ps_wakeup(sc);
 	spin_lock(&sc->sc_pcu_lock);
 
-	if (!ath9k_hw_check_alive(ah))
+	/*
+	 * Only run the baseband hang check if beacons stop working in AP or
+	 * IBSS mode, because it has a high false positive rate. For station
+	 * mode it should not be necessary, since the upper layers will detect
+	 * this through a beacon miss automatically and the following channel
+	 * change will trigger a hardware reset anyway
+	 */
+	if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0 &&
+	    !ath9k_hw_check_alive(ah))
 		ieee80211_queue_work(sc->hw, &sc->hw_check_work);
 
 	if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
@@ -1341,112 +1365,251 @@ static void ath9k_stop(struct ieee80211_hw *hw)
 	ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n");
 }
 
-static int ath9k_add_interface(struct ieee80211_hw *hw,
-			       struct ieee80211_vif *vif)
+bool ath9k_uses_beacons(int type)
+{
+	switch (type) {
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_MESH_POINT:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static void ath9k_reclaim_beacon(struct ath_softc *sc,
+				 struct ieee80211_vif *vif)
 {
-	struct ath_wiphy *aphy = hw->priv;
-	struct ath_softc *sc = aphy->sc;
-	struct ath_hw *ah = sc->sc_ah;
-	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
-	enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
-	int ret = 0;
 
-	mutex_lock(&sc->mutex);
+	/* Disable SWBA interrupt */
+	sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
+	ath9k_ps_wakeup(sc);
+	ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+	ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+	tasklet_kill(&sc->bcon_tasklet);
+	ath9k_ps_restore(sc);
+
+	ath_beacon_return(sc, avp);
+	sc->sc_flags &= ~SC_OP_BEACONS;
+
+	if (sc->nbcnvifs > 0) {
+		/* Re-enable beaconing */
+		sc->sc_ah->imask |= ATH9K_INT_SWBA;
+		ath9k_ps_wakeup(sc);
+		ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+		ath9k_ps_restore(sc);
+	}
+}
+
+static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
+{
+	struct ath9k_vif_iter_data *iter_data = data;
+	int i;
+
+	if (iter_data->hw_macaddr)
+		for (i = 0; i < ETH_ALEN; i++)
+			iter_data->mask[i] &=
+				~(iter_data->hw_macaddr[i] ^ mac[i]);
 
 	switch (vif->type) {
-	case NL80211_IFTYPE_STATION:
-		ic_opmode = NL80211_IFTYPE_STATION;
+	case NL80211_IFTYPE_AP:
+		iter_data->naps++;
 		break;
-	case NL80211_IFTYPE_WDS:
-		ic_opmode = NL80211_IFTYPE_WDS;
+	case NL80211_IFTYPE_STATION:
+		iter_data->nstations++;
 		break;
 	case NL80211_IFTYPE_ADHOC:
-	case NL80211_IFTYPE_AP:
+		iter_data->nadhocs++;
+		break;
 	case NL80211_IFTYPE_MESH_POINT:
-		if (sc->nbcnvifs >= ATH_BCBUF) {
-			ret = -ENOBUFS;
-			goto out;
-		}
-		ic_opmode = vif->type;
+		iter_data->nmeshes++;
+		break;
+	case NL80211_IFTYPE_WDS:
+		iter_data->nwds++;
 		break;
 	default:
-		ath_err(common, "Interface type %d not yet supported\n",
-			vif->type);
-		ret = -EOPNOTSUPP;
-		goto out;
+		iter_data->nothers++;
+		break;
 	}
+}
 
-	ath_dbg(common, ATH_DBG_CONFIG,
-		"Attach a VIF of type: %d\n", ic_opmode);
+/* Called with sc->mutex held. */
+void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       struct ath9k_vif_iter_data *iter_data)
+{
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int i;
 
-	/* Set the VIF opmode */
-	avp->av_opmode = ic_opmode;
-	avp->av_bslot = -1;
+	/*
+	 * Use the hardware MAC address as reference, the hardware uses it
+	 * together with the BSSID mask when matching addresses.
+	 */
+	memset(iter_data, 0, sizeof(*iter_data));
+	iter_data->hw_macaddr = common->macaddr;
+	memset(&iter_data->mask, 0xff, ETH_ALEN);
 
-	sc->nvifs++;
+	if (vif)
+		ath9k_vif_iter(iter_data, vif->addr, vif);
 
-	ath9k_set_bssid_mask(hw, vif);
+	/* Get list of all active MAC addresses */
+	spin_lock_bh(&sc->wiphy_lock);
+	ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter,
+						   iter_data);
+	for (i = 0; i < sc->num_sec_wiphy; i++) {
+		if (sc->sec_wiphy[i] == NULL)
+			continue;
+		ieee80211_iterate_active_interfaces_atomic(
+			sc->sec_wiphy[i]->hw, ath9k_vif_iter, iter_data);
+	}
+	spin_unlock_bh(&sc->wiphy_lock);
+}
 
-	if (sc->nvifs > 1)
-		goto out; /* skip global settings for secondary vif */
+/* Called with sc->mutex held. */
+static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
+					  struct ieee80211_vif *vif)
+{
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
+	struct ath9k_vif_iter_data iter_data;
+
+	ath9k_calculate_iter_data(hw, vif, &iter_data);
 
-	if (ic_opmode == NL80211_IFTYPE_AP) {
+	/* Set BSSID mask. */
+	memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+	ath_hw_setbssidmask(common);
+
+	/* Set op-mode & TSF */
+	if (iter_data.naps > 0) {
 		ath9k_hw_set_tsfadjust(ah, 1);
 		sc->sc_flags |= SC_OP_TSF_RESET;
-	}
+		ah->opmode = NL80211_IFTYPE_AP;
+	} else {
+		ath9k_hw_set_tsfadjust(ah, 0);
+		sc->sc_flags &= ~SC_OP_TSF_RESET;
 
-	/* Set the device opmode */
-	ah->opmode = ic_opmode;
+		if (iter_data.nwds + iter_data.nmeshes)
+			ah->opmode = NL80211_IFTYPE_AP;
+		else if (iter_data.nadhocs)
+			ah->opmode = NL80211_IFTYPE_ADHOC;
+		else
+			ah->opmode = NL80211_IFTYPE_STATION;
+	}
 
 	/*
 	 * Enable MIB interrupts when there are hardware phy counters.
-	 * Note we only do this (at the moment) for station mode.
 	 */
-	if ((vif->type == NL80211_IFTYPE_STATION) ||
-	    (vif->type == NL80211_IFTYPE_ADHOC) ||
-	    (vif->type == NL80211_IFTYPE_MESH_POINT)) {
+	if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0) {
 		if (ah->config.enable_ani)
 			ah->imask |= ATH9K_INT_MIB;
 		ah->imask |= ATH9K_INT_TSFOOR;
+	} else {
+		ah->imask &= ~ATH9K_INT_MIB;
+		ah->imask &= ~ATH9K_INT_TSFOOR;
 	}
 
 	ath9k_hw_set_interrupts(ah, ah->imask);
 
-	if (vif->type == NL80211_IFTYPE_AP    ||
-	    vif->type == NL80211_IFTYPE_ADHOC) {
+	/* Set up ANI */
+	if ((iter_data.naps + iter_data.nadhocs) > 0) {
 		sc->sc_flags |= SC_OP_ANI_RUN;
 		ath_start_ani(common);
+	} else {
+		sc->sc_flags &= ~SC_OP_ANI_RUN;
+		del_timer_sync(&common->ani.timer);
 	}
+}
 
-out:
-	mutex_unlock(&sc->mutex);
-	return ret;
+/* Called with sc->mutex held, vif counts set up properly. */
+static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw,
+				   struct ieee80211_vif *vif)
+{
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+
+	ath9k_calculate_summary_state(hw, vif);
+
+	if (ath9k_uses_beacons(vif->type)) {
+		int error;
+		ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+		/* This may fail because upper levels do not have beacons
+		 * properly configured yet.  That's OK, we assume it
+		 * will be properly configured and then we will be notified
+		 * in the info_changed method and set up beacons properly
+		 * there.
+		 */
+		error = ath_beacon_alloc(aphy, vif);
+		if (error)
+			ath9k_reclaim_beacon(sc, vif);
+		else
+			ath_beacon_config(sc, vif);
+	}
 }
 
-static void ath9k_reclaim_beacon(struct ath_softc *sc,
-				 struct ieee80211_vif *vif)
+
+static int ath9k_add_interface(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif)
 {
+	struct ath_wiphy *aphy = hw->priv;
+	struct ath_softc *sc = aphy->sc;
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_vif *avp = (void *)vif->drv_priv;
+	int ret = 0;
 
-	/* Disable SWBA interrupt */
-	sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
-	ath9k_ps_wakeup(sc);
-	ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
-	ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
-	tasklet_kill(&sc->bcon_tasklet);
-	ath9k_ps_restore(sc);
+	mutex_lock(&sc->mutex);
 
-	ath_beacon_return(sc, avp);
-	sc->sc_flags &= ~SC_OP_BEACONS;
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_WDS:
+	case NL80211_IFTYPE_ADHOC:
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_MESH_POINT:
+		break;
+	default:
+		ath_err(common, "Interface type %d not yet supported\n",
+			vif->type);
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
 
-	if (sc->nbcnvifs > 0) {
-		/* Re-enable beaconing */
-		sc->sc_ah->imask |= ATH9K_INT_SWBA;
-		ath9k_ps_wakeup(sc);
-		ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
-		ath9k_ps_restore(sc);
+	if (ath9k_uses_beacons(vif->type)) {
+		if (sc->nbcnvifs >= ATH_BCBUF) {
+			ath_err(common, "Not enough beacon buffers when adding"
+				" new interface of type: %i\n",
+				vif->type);
+			ret = -ENOBUFS;
+			goto out;
+		}
 	}
+
+	if ((vif->type == NL80211_IFTYPE_ADHOC) &&
+	    sc->nvifs > 0) {
+		ath_err(common, "Cannot create ADHOC interface when other"
+			" interfaces already exist.\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ath_dbg(common, ATH_DBG_CONFIG,
+		"Attach a VIF of type: %d\n", vif->type);
+
+	/* Set the VIF opmode */
+	avp->av_opmode = vif->type;
+	avp->av_bslot = -1;
+
+	sc->nvifs++;
+
+	ath9k_do_vif_add_setup(hw, vif);
+out:
+	mutex_unlock(&sc->mutex);
+	return ret;
 }
 
 static int ath9k_change_interface(struct ieee80211_hw *hw,
@@ -1462,32 +1625,33 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
 	ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
 	mutex_lock(&sc->mutex);
 
-	switch (new_type) {
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_ADHOC:
+	/* See if new interface type is valid. */
+	if ((new_type == NL80211_IFTYPE_ADHOC) &&
+	    (sc->nvifs > 1)) {
+		ath_err(common, "When using ADHOC, it must be the only"
+			" interface.\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	if (ath9k_uses_beacons(new_type) &&
+	    !ath9k_uses_beacons(vif->type)) {
 		if (sc->nbcnvifs >= ATH_BCBUF) {
 			ath_err(common, "No beacon slot available\n");
 			ret = -ENOBUFS;
 			goto out;
 		}
-		break;
-	case NL80211_IFTYPE_STATION:
-		/* Stop ANI */
-		sc->sc_flags &= ~SC_OP_ANI_RUN;
-		del_timer_sync(&common->ani.timer);
-		if ((vif->type == NL80211_IFTYPE_AP) ||
-		    (vif->type == NL80211_IFTYPE_ADHOC))
-			ath9k_reclaim_beacon(sc, vif);
-		break;
-	default:
-		ath_err(common, "Interface type %d not yet supported\n",
-				vif->type);
-		ret = -ENOTSUPP;
-		goto out;
 	}
+
+	/* Clean up old vif stuff */
+	if (ath9k_uses_beacons(vif->type))
+		ath9k_reclaim_beacon(sc, vif);
+
+	/* Add new settings */
 	vif->type = new_type;
 	vif->p2p = p2p;
 
+	ath9k_do_vif_add_setup(hw, vif);
 out:
 	mutex_unlock(&sc->mutex);
 	return ret;
@@ -1504,17 +1668,13 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
 
 	mutex_lock(&sc->mutex);
 
-	/* Stop ANI */
-	sc->sc_flags &= ~SC_OP_ANI_RUN;
-	del_timer_sync(&common->ani.timer);
+	sc->nvifs--;
 
 	/* Reclaim beacon resources */
-	if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
-	    (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
-	    (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT))
+	if (ath9k_uses_beacons(vif->type))
 		ath9k_reclaim_beacon(sc, vif);
 
-	sc->nvifs--;
+	ath9k_calculate_summary_state(hw, NULL);
 
 	mutex_unlock(&sc->mutex);
 }
@@ -2020,7 +2180,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 			      struct ieee80211_vif *vif,
 			      enum ieee80211_ampdu_mlme_action action,
 			      struct ieee80211_sta *sta,
-			      u16 tid, u16 *ssn)
+			      u16 tid, u16 *ssn, u8 buf_size)
 {
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;

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

@@ -588,8 +588,14 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 		return;
 
 	mgmt = (struct ieee80211_mgmt *)skb->data;
-	if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0)
+	if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0) {
+		/* TODO:  This doesn't work well if you have stations
+		 * associated to two different APs because curbssid
+		 * is just the last AP that any of the stations associated
+		 * with.
+		 */
 		return; /* not from our current AP */
+	}
 
 	sc->ps_flags &= ~PS_WAIT_FOR_BEACON;
 
@@ -984,8 +990,14 @@ static void ath9k_process_rssi(struct ath_common *common,
 
 	fc = hdr->frame_control;
 	if (!ieee80211_is_beacon(fc) ||
-	    compare_ether_addr(hdr->addr3, common->curbssid))
+	    compare_ether_addr(hdr->addr3, common->curbssid)) {
+		/* TODO:  This doesn't work well if you have stations
+		 * associated to two different APs because curbssid
+		 * is just the last AP that any of the stations associated
+		 * with.
+		 */
 		return;
+	}
 
 	if (rx_stats->rs_rssi != ATH9K_RSSI_BAD && !rx_stats->rs_moreaggr)
 		ATH_RSSI_LPF(aphy->last_rssi, rx_stats->rs_rssi);

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

@@ -18,54 +18,6 @@
 
 #include "ath9k.h"
 
-struct ath9k_vif_iter_data {
-	const u8 *hw_macaddr;
-	u8 mask[ETH_ALEN];
-};
-
-static void ath9k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
-{
-	struct ath9k_vif_iter_data *iter_data = data;
-	int i;
-
-	for (i = 0; i < ETH_ALEN; i++)
-		iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
-}
-
-void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
-	struct ath_wiphy *aphy = hw->priv;
-	struct ath_softc *sc = aphy->sc;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-	struct ath9k_vif_iter_data iter_data;
-	int i;
-
-	/*
-	 * Use the hardware MAC address as reference, the hardware uses it
-	 * together with the BSSID mask when matching addresses.
-	 */
-	iter_data.hw_macaddr = common->macaddr;
-	memset(&iter_data.mask, 0xff, ETH_ALEN);
-
-	if (vif)
-		ath9k_vif_iter(&iter_data, vif->addr, vif);
-
-	/* Get list of all active MAC addresses */
-	spin_lock_bh(&sc->wiphy_lock);
-	ieee80211_iterate_active_interfaces_atomic(sc->hw, ath9k_vif_iter,
-						   &iter_data);
-	for (i = 0; i < sc->num_sec_wiphy; i++) {
-		if (sc->sec_wiphy[i] == NULL)
-			continue;
-		ieee80211_iterate_active_interfaces_atomic(
-			sc->sec_wiphy[i]->hw, ath9k_vif_iter, &iter_data);
-	}
-	spin_unlock_bh(&sc->wiphy_lock);
-
-	memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
-	ath_hw_setbssidmask(common);
-}
-
 int ath9k_wiphy_add(struct ath_softc *sc)
 {
 	int i, error;

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

@@ -19,7 +19,6 @@
 
 #define BITS_PER_BYTE           8
 #define OFDM_PLCP_BITS          22
-#define HT_RC_2_MCS(_rc)        ((_rc) & 0x1f)
 #define HT_RC_2_STREAMS(_rc)    ((((_rc) & 0x78) >> 3) + 1)
 #define L_STF                   8
 #define L_LTF                   8
@@ -32,7 +31,6 @@
 #define NUM_SYMBOLS_PER_USEC(_usec) (_usec >> 2)
 #define NUM_SYMBOLS_PER_USEC_HALFGI(_usec) (((_usec*5)-4)/18)
 
-#define OFDM_SIFS_TIME    	    16
 
 static u16 bits_per_symbol[][2] = {
 	/* 20MHz 40MHz */
@@ -169,7 +167,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 			ath_tx_update_baw(sc, tid, fi->seqno);
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
 		} else {
-			ath_tx_send_normal(sc, txq, tid, &bf_head);
+			ath_tx_send_normal(sc, txq, NULL, &bf_head);
 		}
 		spin_lock_bh(&txq->axq_lock);
 	}
@@ -429,7 +427,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
 
 	ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad);
 	while (bf) {
-		txfail = txpending = 0;
+		txfail = txpending = sendbar = 0;
 		bf_next = bf->bf_next;
 
 		skb = bf->bf_mpdu;
@@ -856,7 +854,10 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
 
 	txtid->state |= AGGR_ADDBA_PROGRESS;
 	txtid->paused = true;
-	*ssn = txtid->seq_start;
+	*ssn = txtid->seq_start = txtid->seq_next;
+
+	memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
+	txtid->baw_head = txtid->baw_tail = 0;
 
 	return 0;
 }
@@ -942,7 +943,7 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		[WME_AC_VI] = ATH_TXQ_AC_VI,
 		[WME_AC_VO] = ATH_TXQ_AC_VO,
 	};
-	int qnum, i;
+	int axq_qnum, i;
 
 	memset(&qi, 0, sizeof(qi));
 	qi.tqi_subtype = subtype_txq_to_hwq[subtype];
@@ -976,24 +977,25 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 			qi.tqi_qflags = TXQ_FLAG_TXEOLINT_ENABLE |
 					TXQ_FLAG_TXDESCINT_ENABLE;
 	}
-	qnum = ath9k_hw_setuptxqueue(ah, qtype, &qi);
-	if (qnum == -1) {
+	axq_qnum = ath9k_hw_setuptxqueue(ah, qtype, &qi);
+	if (axq_qnum == -1) {
 		/*
 		 * NB: don't print a message, this happens
 		 * normally on parts with too few tx queues
 		 */
 		return NULL;
 	}
-	if (qnum >= ARRAY_SIZE(sc->tx.txq)) {
+	if (axq_qnum >= ARRAY_SIZE(sc->tx.txq)) {
 		ath_err(common, "qnum %u out of range, max %zu!\n",
-			qnum, ARRAY_SIZE(sc->tx.txq));
-		ath9k_hw_releasetxqueue(ah, qnum);
+			axq_qnum, ARRAY_SIZE(sc->tx.txq));
+		ath9k_hw_releasetxqueue(ah, axq_qnum);
 		return NULL;
 	}
-	if (!ATH_TXQ_SETUP(sc, qnum)) {
-		struct ath_txq *txq = &sc->tx.txq[qnum];
+	if (!ATH_TXQ_SETUP(sc, axq_qnum)) {
+		struct ath_txq *txq = &sc->tx.txq[axq_qnum];
 
-		txq->axq_qnum = qnum;
+		txq->axq_qnum = axq_qnum;
+		txq->mac80211_qnum = -1;
 		txq->axq_link = NULL;
 		INIT_LIST_HEAD(&txq->axq_q);
 		INIT_LIST_HEAD(&txq->axq_acq);
@@ -1001,14 +1003,14 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
 		txq->axq_depth = 0;
 		txq->axq_ampdu_depth = 0;
 		txq->axq_tx_inprogress = false;
-		sc->tx.txqsetup |= 1<<qnum;
+		sc->tx.txqsetup |= 1<<axq_qnum;
 
 		txq->txq_headidx = txq->txq_tailidx = 0;
 		for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
 			INIT_LIST_HEAD(&txq->txq_fifo[i]);
 		INIT_LIST_HEAD(&txq->txq_fifo_pending);
 	}
-	return &sc->tx.txq[qnum];
+	return &sc->tx.txq[axq_qnum];
 }
 
 int ath_txq_update(struct ath_softc *sc, int qnum,
@@ -1218,46 +1220,59 @@ void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq)
 	sc->tx.txqsetup &= ~(1<<txq->axq_qnum);
 }
 
+/* For each axq_acq entry, for each tid, try to schedule packets
+ * for transmit until ampdu_depth has reached min Q depth.
+ */
 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
 {
-	struct ath_atx_ac *ac;
-	struct ath_atx_tid *tid;
+	struct ath_atx_ac *ac, *ac_tmp, *last_ac;
+	struct ath_atx_tid *tid, *last_tid;
 
-	if (list_empty(&txq->axq_acq))
+	if (list_empty(&txq->axq_acq) ||
+	    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
 		return;
 
 	ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
-	list_del(&ac->list);
-	ac->sched = false;
+	last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
 
-	do {
-		if (list_empty(&ac->tid_q))
-			return;
+	list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) {
+		last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
+		list_del(&ac->list);
+		ac->sched = false;
 
-		tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, list);
-		list_del(&tid->list);
-		tid->sched = false;
+		while (!list_empty(&ac->tid_q)) {
+			tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+					       list);
+			list_del(&tid->list);
+			tid->sched = false;
 
-		if (tid->paused)
-			continue;
+			if (tid->paused)
+				continue;
 
-		ath_tx_sched_aggr(sc, txq, tid);
+			ath_tx_sched_aggr(sc, txq, tid);
 
-		/*
-		 * add tid to round-robin queue if more frames
-		 * are pending for the tid
-		 */
-		if (!list_empty(&tid->buf_q))
-			ath_tx_queue_tid(txq, tid);
+			/*
+			 * add tid to round-robin queue if more frames
+			 * are pending for the tid
+			 */
+			if (!list_empty(&tid->buf_q))
+				ath_tx_queue_tid(txq, tid);
 
-		break;
-	} while (!list_empty(&ac->tid_q));
+			if (tid == last_tid ||
+			    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+				break;
+		}
 
-	if (!list_empty(&ac->tid_q)) {
-		if (!ac->sched) {
-			ac->sched = true;
-			list_add_tail(&ac->list, &txq->axq_acq);
+		if (!list_empty(&ac->tid_q)) {
+			if (!ac->sched) {
+				ac->sched = true;
+				list_add_tail(&ac->list, &txq->axq_acq);
+			}
 		}
+
+		if (ac == last_ac ||
+		    txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
+			return;
 	}
 }
 
@@ -1301,6 +1316,7 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 		INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
 		list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
 		INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
+		TX_STAT_INC(txq->axq_qnum, puttxbuf);
 		ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
 		ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
 			txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
@@ -1308,6 +1324,7 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 		list_splice_tail_init(head, &txq->axq_q);
 
 		if (txq->axq_link == NULL) {
+			TX_STAT_INC(txq->axq_qnum, puttxbuf);
 			ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
 			ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
 				txq->axq_qnum, ito64(bf->bf_daddr),
@@ -1321,6 +1338,7 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 		}
 		ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
 				       &txq->axq_link);
+		TX_STAT_INC(txq->axq_qnum, txstart);
 		ath9k_hw_txstart(ah, txq->axq_qnum);
 	}
 	txq->axq_depth++;
@@ -1335,7 +1353,6 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
 	struct list_head bf_head;
 
 	bf->bf_state.bf_type |= BUF_AMPDU;
-	TX_STAT_INC(txctl->txq->axq_qnum, a_queued);
 
 	/*
 	 * Do not queue to h/w when any of the following conditions is true:
@@ -1351,6 +1368,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
 		 * Add this frame to software queue for scheduling later
 		 * for aggregation.
 		 */
+		TX_STAT_INC(txctl->txq->axq_qnum, a_queued_sw);
 		list_add_tail(&bf->list, &tid->buf_q);
 		ath_tx_queue_tid(txctl->txq, tid);
 		return;
@@ -1364,6 +1382,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
 		ath_tx_addto_baw(sc, tid, fi->seqno);
 
 	/* Queue to h/w without aggregation */
+	TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
 	bf->bf_lastbf = bf;
 	ath_buf_set_rate(sc, bf, fi->framelen);
 	ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
@@ -1966,17 +1985,16 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_tx_status *ts,
 	tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
 }
 
-static void ath_wake_mac80211_queue(struct ath_softc *sc, int qnum)
+/* Has no locking.  Must hold spin_lock_bh(&txq->axq_lock)
+ * before calling this.
+ */
+static void __ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq)
 {
-	struct ath_txq *txq;
-
-	txq = sc->tx.txq_map[qnum];
-	spin_lock_bh(&txq->axq_lock);
-	if (txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
-		if (ath_mac80211_start_queue(sc, qnum))
+	if (txq->mac80211_qnum >= 0 &&
+	    txq->stopped && txq->pending_frames < ATH_MAX_QDEPTH) {
+		if (ath_mac80211_start_queue(sc, txq->mac80211_qnum))
 			txq->stopped = 0;
 	}
-	spin_unlock_bh(&txq->axq_lock);
 }
 
 static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
@@ -1999,6 +2017,8 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		spin_lock_bh(&txq->axq_lock);
 		if (list_empty(&txq->axq_q)) {
 			txq->axq_link = NULL;
+			if (sc->sc_flags & SC_OP_TXAGGR)
+				ath_txq_schedule(sc, txq);
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
@@ -2033,6 +2053,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 			spin_unlock_bh(&txq->axq_lock);
 			break;
 		}
+		TX_STAT_INC(txq->axq_qnum, txprocdesc);
 
 		/*
 		 * Remove ath_buf's of the same transmit unit from txq,
@@ -2076,10 +2097,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
 		else
 			ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
 
-		if (txq == sc->tx.txq_map[qnum])
-			ath_wake_mac80211_queue(sc, qnum);
-
 		spin_lock_bh(&txq->axq_lock);
+		__ath_wake_mac80211_queue(sc, txq);
+
 		if (sc->sc_flags & SC_OP_TXAGGR)
 			ath_txq_schedule(sc, txq);
 		spin_unlock_bh(&txq->axq_lock);
@@ -2093,6 +2113,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 	struct ath_txq *txq;
 	int i;
 	bool needreset = false;
+#ifdef CONFIG_ATH9K_DEBUGFS
+	sc->tx_complete_poll_work_seen++;
+#endif
 
 	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
 		if (ATH_TXQ_SETUP(sc, i)) {
@@ -2106,6 +2129,34 @@ static void ath_tx_complete_poll_work(struct work_struct *work)
 				} else {
 					txq->axq_tx_inprogress = true;
 				}
+			} else {
+				/* If the queue has pending buffers, then it
+				 * should be doing tx work (and have axq_depth).
+				 * Shouldn't get to this state I think..but
+				 * we do.
+				 */
+				if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) &&
+				    (txq->pending_frames > 0 ||
+				     !list_empty(&txq->axq_acq) ||
+				     txq->stopped)) {
+					ath_err(ath9k_hw_common(sc->sc_ah),
+						"txq: %p axq_qnum: %u,"
+						" mac80211_qnum: %i"
+						" axq_link: %p"
+						" pending frames: %i"
+						" axq_acq empty: %i"
+						" stopped: %i"
+						" axq_depth: 0  Attempting to"
+						" restart tx logic.\n",
+						txq, txq->axq_qnum,
+						txq->mac80211_qnum,
+						txq->axq_link,
+						txq->pending_frames,
+						list_empty(&txq->axq_acq),
+						txq->stopped);
+					__ath_wake_mac80211_queue(sc, txq);
+					ath_txq_schedule(sc, txq);
+				}
 			}
 			spin_unlock_bh(&txq->axq_lock);
 		}
@@ -2200,10 +2251,9 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
 			ath_tx_complete_buf(sc, bf, txq, &bf_head,
 					    &txs, txok, 0);
 
-		if (txq == sc->tx.txq_map[qnum])
-			ath_wake_mac80211_queue(sc, qnum);
-
 		spin_lock_bh(&txq->axq_lock);
+		__ath_wake_mac80211_queue(sc, txq);
+
 		if (!list_empty(&txq->txq_fifo_pending)) {
 			INIT_LIST_HEAD(&bf_head);
 			bf = list_first_entry(&txq->txq_fifo_pending,

drivers/net/wireless/ath/carl9170/carl9170.h

@@ -283,6 +283,7 @@ struct ar9170 {
 		unsigned int mem_blocks;
 		unsigned int mem_block_size;
 		unsigned int rx_size;
+		unsigned int tx_seq_table;
 	} fw;
 
 	/* reset / stuck frames/queue detection */

drivers/net/wireless/ath/carl9170/fw.c

@@ -150,6 +150,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 	const struct carl9170fw_otus_desc *otus_desc;
 	const struct carl9170fw_chk_desc *chk_desc;
 	const struct carl9170fw_last_desc *last_desc;
+	const struct carl9170fw_txsq_desc *txsq_desc;
 
 	last_desc = carl9170_fw_find_desc(ar, LAST_MAGIC,
 		sizeof(*last_desc), CARL9170FW_LAST_DESC_CUR_VER);
@@ -264,6 +265,9 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 			FIF_PROMISC_IN_BSS;
 	}
 
+	if (SUPP(CARL9170FW_WOL))
+		device_set_wakeup_enable(&ar->udev->dev, true);
+
 	ar->fw.vif_num = otus_desc->vif_num;
 	ar->fw.cmd_bufs = otus_desc->cmd_bufs;
 	ar->fw.address = le32_to_cpu(otus_desc->fw_address);
@@ -296,6 +300,17 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 		}
 	}
 
+	txsq_desc = carl9170_fw_find_desc(ar, TXSQ_MAGIC,
+		sizeof(*txsq_desc), CARL9170FW_TXSQ_DESC_CUR_VER);
+
+	if (txsq_desc) {
+		ar->fw.tx_seq_table = le32_to_cpu(txsq_desc->seq_table_addr);
+		if (!valid_cpu_addr(ar->fw.tx_seq_table))
+			return -EINVAL;
+	} else {
+		ar->fw.tx_seq_table = 0;
+	}
+
 #undef SUPPORTED
 	return 0;
 }

drivers/net/wireless/ath/carl9170/fwcmd.h

@@ -167,6 +167,7 @@ struct carl9170_rx_filter_cmd {
 #define CARL9170_RX_FILTER_CTL_BACKR	0x20
 #define CARL9170_RX_FILTER_MGMT		0x40
 #define CARL9170_RX_FILTER_DATA		0x80
+#define CARL9170_RX_FILTER_EVERYTHING	(~0)
 
 struct carl9170_bcn_ctrl_cmd {
 	__le32		vif_id;

drivers/net/wireless/ath/carl9170/fwdesc.h

@@ -69,6 +69,9 @@ enum carl9170fw_feature_list {
 	/* Firmware RX filter | CARL9170_CMD_RX_FILTER */
 	CARL9170FW_RX_FILTER,
 
+	/* Wake up on WLAN */
+	CARL9170FW_WOL,
+
 	/* KEEP LAST */
 	__CARL9170FW_FEATURE_NUM
 };
@@ -78,6 +81,7 @@ enum carl9170fw_feature_list {
 #define FIX_MAGIC	"FIX\0"
 #define DBG_MAGIC	"DBG\0"
 #define CHK_MAGIC	"CHK\0"
+#define TXSQ_MAGIC	"TXSQ"
 #define LAST_MAGIC	"LAST"
 
 #define CARL9170FW_SET_DAY(d) (((d) - 1) % 31)
@@ -88,8 +92,10 @@ enum carl9170fw_feature_list {
 #define CARL9170FW_GET_MONTH(m) ((((m) / 31) % 12) + 1)
 #define CARL9170FW_GET_YEAR(y) ((y) / 372 + 10)
 
+#define CARL9170FW_MAGIC_SIZE			4
+
 struct carl9170fw_desc_head {
-	u8	magic[4];
+	u8	magic[CARL9170FW_MAGIC_SIZE];
 	__le16 length;
 	u8 min_ver;
 	u8 cur_ver;
@@ -170,6 +176,16 @@ struct carl9170fw_chk_desc {
 #define CARL9170FW_CHK_DESC_SIZE			\
 	(sizeof(struct carl9170fw_chk_desc))
 
+#define CARL9170FW_TXSQ_DESC_MIN_VER			1
+#define CARL9170FW_TXSQ_DESC_CUR_VER			1
+struct carl9170fw_txsq_desc {
+	struct carl9170fw_desc_head head;
+
+	__le32 seq_table_addr;
+} __packed;
+#define CARL9170FW_TXSQ_DESC_SIZE			\
+	(sizeof(struct carl9170fw_txsq_desc))
+
 #define CARL9170FW_LAST_DESC_MIN_VER			1
 #define CARL9170FW_LAST_DESC_CUR_VER			2
 struct carl9170fw_last_desc {
@@ -189,8 +205,8 @@ struct carl9170fw_last_desc {
 	}
 
 static inline void carl9170fw_fill_desc(struct carl9170fw_desc_head *head,
-					 u8 magic[4], __le16 length,
-					 u8 min_ver, u8 cur_ver)
+					 u8 magic[CARL9170FW_MAGIC_SIZE],
+					 __le16 length, u8 min_ver, u8 cur_ver)
 {
 	head->magic[0] = magic[0];
 	head->magic[1] = magic[1];
@@ -204,7 +220,7 @@ static inline void carl9170fw_fill_desc(struct carl9170fw_desc_head *head,
 
 #define carl9170fw_for_each_hdr(desc, fw_desc)				\
 	for (desc = fw_desc;						\
-	     memcmp(desc->magic, LAST_MAGIC, 4) &&			\
+	     memcmp(desc->magic, LAST_MAGIC, CARL9170FW_MAGIC_SIZE) &&	\
 	     le16_to_cpu(desc->length) >= CARL9170FW_DESC_HEAD_SIZE &&	\
 	     le16_to_cpu(desc->length) < CARL9170FW_DESC_MAX_LENGTH;	\
 	     desc = (void *)((unsigned long)desc + le16_to_cpu(desc->length)))
@@ -218,8 +234,8 @@ static inline bool carl9170fw_supports(__le32 list, u8 feature)
 }
 
 static inline bool carl9170fw_desc_cmp(const struct carl9170fw_desc_head *head,
-				       const u8 descid[4], u16 min_len,
-				       u8 compatible_revision)
+				       const u8 descid[CARL9170FW_MAGIC_SIZE],
+				       u16 min_len, u8 compatible_revision)
 {
 	if (descid[0] == head->magic[0] && descid[1] == head->magic[1] &&
 	    descid[2] == head->magic[2] && descid[3] == head->magic[3] &&

drivers/net/wireless/ath/carl9170/hw.h

@@ -463,6 +463,8 @@
 
 #define	AR9170_PWR_REG_CHIP_REVISION		(AR9170_PWR_REG_BASE + 0x010)
 #define AR9170_PWR_REG_PLL_ADDAC		(AR9170_PWR_REG_BASE + 0x014)
+#define		AR9170_PWR_PLL_ADDAC_DIV_S		2
+#define		AR9170_PWR_PLL_ADDAC_DIV		0xffc
 #define	AR9170_PWR_REG_WATCH_DOG_MAGIC		(AR9170_PWR_REG_BASE + 0x020)
 
 /* Faraday USB Controller */
@@ -471,6 +473,9 @@
 #define	AR9170_USB_REG_MAIN_CTRL		(AR9170_USB_REG_BASE + 0x000)
 #define		AR9170_USB_MAIN_CTRL_REMOTE_WAKEUP	BIT(0)
 #define		AR9170_USB_MAIN_CTRL_ENABLE_GLOBAL_INT	BIT(2)
+#define		AR9170_USB_MAIN_CTRL_GO_TO_SUSPEND	BIT(3)
+#define		AR9170_USB_MAIN_CTRL_RESET		BIT(4)
+#define		AR9170_USB_MAIN_CTRL_CHIP_ENABLE	BIT(5)
 #define		AR9170_USB_MAIN_CTRL_HIGHSPEED		BIT(6)
 
 #define	AR9170_USB_REG_DEVICE_ADDRESS		(AR9170_USB_REG_BASE + 0x001)
@@ -499,6 +504,13 @@
 #define	AR9170_USB_REG_INTR_GROUP		(AR9170_USB_REG_BASE + 0x020)
 
 #define	AR9170_USB_REG_INTR_SOURCE_0		(AR9170_USB_REG_BASE + 0x021)
+#define		AR9170_USB_INTR_SRC0_SETUP		BIT(0)
+#define		AR9170_USB_INTR_SRC0_IN			BIT(1)
+#define		AR9170_USB_INTR_SRC0_OUT		BIT(2)
+#define		AR9170_USB_INTR_SRC0_FAIL		BIT(3) /* ??? */
+#define		AR9170_USB_INTR_SRC0_END		BIT(4) /* ??? */
+#define		AR9170_USB_INTR_SRC0_ABORT		BIT(7)
+
 #define	AR9170_USB_REG_INTR_SOURCE_1		(AR9170_USB_REG_BASE + 0x022)
 #define	AR9170_USB_REG_INTR_SOURCE_2		(AR9170_USB_REG_BASE + 0x023)
 #define	AR9170_USB_REG_INTR_SOURCE_3		(AR9170_USB_REG_BASE + 0x024)
@@ -506,6 +518,15 @@
 #define	AR9170_USB_REG_INTR_SOURCE_5		(AR9170_USB_REG_BASE + 0x026)
 #define	AR9170_USB_REG_INTR_SOURCE_6		(AR9170_USB_REG_BASE + 0x027)
 #define	AR9170_USB_REG_INTR_SOURCE_7		(AR9170_USB_REG_BASE + 0x028)
+#define		AR9170_USB_INTR_SRC7_USB_RESET		BIT(1)
+#define		AR9170_USB_INTR_SRC7_USB_SUSPEND	BIT(2)
+#define		AR9170_USB_INTR_SRC7_USB_RESUME		BIT(3)
+#define		AR9170_USB_INTR_SRC7_ISO_SEQ_ERR	BIT(4)
+#define		AR9170_USB_INTR_SRC7_ISO_SEQ_ABORT	BIT(5)
+#define		AR9170_USB_INTR_SRC7_TX0BYTE		BIT(6)
+#define		AR9170_USB_INTR_SRC7_RX0BYTE		BIT(7)
+
+#define	AR9170_USB_REG_IDLE_COUNT		(AR9170_USB_REG_BASE + 0x02f)
 
 #define	AR9170_USB_REG_EP_MAP			(AR9170_USB_REG_BASE + 0x030)
 #define	AR9170_USB_REG_EP1_MAP			(AR9170_USB_REG_BASE + 0x030)
@@ -581,6 +602,10 @@
 
 #define	AR9170_USB_REG_MAX_AGG_UPLOAD		(AR9170_USB_REG_BASE + 0x110)
 #define	AR9170_USB_REG_UPLOAD_TIME_CTL		(AR9170_USB_REG_BASE + 0x114)
+
+#define AR9170_USB_REG_WAKE_UP			(AR9170_USB_REG_BASE + 0x120)
+#define		AR9170_USB_WAKE_UP_WAKE			BIT(0)
+
 #define	AR9170_USB_REG_CBUS_CTRL		(AR9170_USB_REG_BASE + 0x1f0)
 #define		AR9170_USB_CBUS_CTRL_BUFFER_END		(BIT(1))
 

drivers/net/wireless/ath/carl9170/main.c

@@ -662,6 +662,13 @@ init:
 			goto unlock;
 	}
 
+	if (ar->fw.tx_seq_table) {
+		err = carl9170_write_reg(ar, ar->fw.tx_seq_table + vif_id * 4,
+					 0);
+		if (err)
+			goto unlock;
+	}
+
 unlock:
 	if (err && (vif_id >= 0)) {
 		vif_priv->active = false;
@@ -1279,7 +1286,7 @@ static int carl9170_op_ampdu_action(struct ieee80211_hw *hw,
 				    struct ieee80211_vif *vif,
 				    enum ieee80211_ampdu_mlme_action action,
 				    struct ieee80211_sta *sta,
-				    u16 tid, u16 *ssn)
+				    u16 tid, u16 *ssn, u8 buf_size)
 {
 	struct ar9170 *ar = hw->priv;
 	struct carl9170_sta_info *sta_info = (void *) sta->drv_priv;

drivers/net/wireless/ath/carl9170/tx.c

@@ -862,6 +862,9 @@ static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
 	if (unlikely(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM))
 		txc->s.misc |= CARL9170_TX_SUPER_MISC_CAB;
 
+	if (unlikely(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
+		txc->s.misc |= CARL9170_TX_SUPER_MISC_ASSIGN_SEQ;
+
 	if (unlikely(ieee80211_is_probe_resp(hdr->frame_control)))
 		txc->s.misc |= CARL9170_TX_SUPER_MISC_FILL_IN_TSF;
 

drivers/net/wireless/ath/carl9170/version.h

@@ -1,7 +1,7 @@
 #ifndef __CARL9170_SHARED_VERSION_H
 #define __CARL9170_SHARED_VERSION_H
-#define CARL9170FW_VERSION_YEAR 10
-#define CARL9170FW_VERSION_MONTH 10
-#define CARL9170FW_VERSION_DAY 29
-#define CARL9170FW_VERSION_GIT "1.9.0"
+#define CARL9170FW_VERSION_YEAR 11
+#define CARL9170FW_VERSION_MONTH 1
+#define CARL9170FW_VERSION_DAY 22
+#define CARL9170FW_VERSION_GIT "1.9.2"
 #endif /* __CARL9170_SHARED_VERSION_H */

drivers/net/wireless/ath/carl9170/wlan.h

@@ -251,7 +251,7 @@ struct carl9170_tx_superdesc {
 	u8 ampdu_commit_factor:1;
 	u8 ampdu_unused_bit:1;
 	u8 queue:2;
-	u8 reserved:1;
+	u8 assign_seq:1;
 	u8 vif_id:3;
 	u8 fill_in_tsf:1;
 	u8 cab:1;
@@ -299,6 +299,7 @@ struct _ar9170_tx_hwdesc {
 
 #define CARL9170_TX_SUPER_MISC_QUEUE			0x3
 #define CARL9170_TX_SUPER_MISC_QUEUE_S			0
+#define CARL9170_TX_SUPER_MISC_ASSIGN_SEQ		0x4
 #define	CARL9170_TX_SUPER_MISC_VIF_ID			0x38
 #define	CARL9170_TX_SUPER_MISC_VIF_ID_S			3
 #define	CARL9170_TX_SUPER_MISC_FILL_IN_TSF		0x40
@@ -413,6 +414,23 @@ enum ar9170_txq {
 	__AR9170_NUM_TXQ,
 };
 
+/*
+ * This is an workaround for several undocumented bugs.
+ * Don't mess with the QoS/AC <-> HW Queue map, if you don't
+ * know what you are doing.
+ *
+ * Known problems [hardware]:
+ *  * The MAC does not aggregate frames on anything other
+ *    than the first HW queue.
+ *  * when an AMPDU is placed [in the first hw queue] and
+ *    additional frames are already queued on a different
+ *    hw queue, the MAC will ALWAYS freeze.
+ *
+ * In a nutshell: The hardware can either do QoS or
+ * Aggregation but not both at the same time. As a
+ * result, this makes the device pretty much useless
+ * for any serious 802.11n setup.
+ */
 static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 };
 
 #define	AR9170_TXQ_DEPTH			32

drivers/net/wireless/iwlwifi/Kconfig

@@ -2,6 +2,10 @@ config IWLWIFI
 	tristate "Intel Wireless Wifi"
 	depends on PCI && MAC80211
 	select FW_LOADER
+	select NEW_LEDS
+	select LEDS_CLASS
+	select LEDS_TRIGGERS
+	select MAC80211_LEDS
 
 menu "Debugging Options"
 	depends on IWLWIFI
@@ -106,9 +110,27 @@ config IWL5000
 		Intel WiFi Link 1000BGN
 		Intel Wireless WiFi 5150AGN
 		Intel Wireless WiFi 5100AGN, 5300AGN, and 5350AGN
-		Intel 6000 Gen 2 Series Wi-Fi Adapters (6000G2A and 6000G2B)
-		Intel WIreless WiFi Link 6050BGN Gen 2 Adapter
+		Intel 6005 Series Wi-Fi Adapters
+		Intel 6030 Series Wi-Fi Adapters
+		Intel Wireless WiFi Link 6150BGN 2 Adapter
 		Intel 100 Series Wi-Fi Adapters (100BGN and 130BGN)
+		Intel 2000 Series Wi-Fi Adapters
+
+config IWL_P2P
+	bool "iwlwifi experimental P2P support"
+	depends on IWL5000
+	help
+	  This option enables experimental P2P support for some devices
+	  based on microcode support. Since P2P support is still under
+	  development, this option may even enable it for some devices
+	  now that turn out to not support it in the future due to
+	  microcode restrictions.
+
+	  To determine if your microcode supports the experimental P2P
+	  offered by this option, check if the driver advertises AP
+	  support when it is loaded.
+
+	  Say Y only if you want to experiment with P2P.
 
 config IWL3945
 	tristate "Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)"

drivers/net/wireless/iwlwifi/Makefile

@@ -26,6 +26,7 @@ iwlagn-$(CONFIG_IWL5000) += iwl-agn-rxon.o iwl-agn-hcmd.o iwl-agn-ict.o
 iwlagn-$(CONFIG_IWL5000) += iwl-5000.o
 iwlagn-$(CONFIG_IWL5000) += iwl-6000.o
 iwlagn-$(CONFIG_IWL5000) += iwl-1000.o
+iwlagn-$(CONFIG_IWL5000) += iwl-2000.o
 
 # 3945
 obj-$(CONFIG_IWL3945)	+= iwl3945.o

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -270,6 +270,7 @@ static struct iwl_base_params iwl1000_base_params = {
 	.ucode_tracing = true,
 	.sensitivity_calib_by_driver = true,
 	.chain_noise_calib_by_driver = true,
+	.supports_idle = true,
 };
 static struct iwl_ht_params iwl1000_ht_params = {
 	.ht_greenfield_support = true,

drivers/net/wireless/iwlwifi/iwl-2000.c

@@ -0,0 +1,556 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ *****************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <net/mac80211.h>
+#include <linux/etherdevice.h>
+#include <asm/unaligned.h>
+
+#include "iwl-eeprom.h"
+#include "iwl-dev.h"
+#include "iwl-core.h"
+#include "iwl-io.h"
+#include "iwl-sta.h"
+#include "iwl-agn.h"
+#include "iwl-helpers.h"
+#include "iwl-agn-hw.h"
+#include "iwl-6000-hw.h"
+#include "iwl-agn-led.h"
+#include "iwl-agn-debugfs.h"
+
+/* Highest firmware API version supported */
+#define IWL2030_UCODE_API_MAX 5
+#define IWL2000_UCODE_API_MAX 5
+#define IWL200_UCODE_API_MAX 5
+
+/* Lowest firmware API version supported */
+#define IWL2030_UCODE_API_MIN 5
+#define IWL2000_UCODE_API_MIN 5
+#define IWL200_UCODE_API_MIN 5
+
+#define IWL2030_FW_PRE "iwlwifi-2030-"
+#define _IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE #api ".ucode"
+#define IWL2030_MODULE_FIRMWARE(api) _IWL2030_MODULE_FIRMWARE(api)
+
+#define IWL2000_FW_PRE "iwlwifi-2000-"
+#define _IWL2000_MODULE_FIRMWARE(api) IWL2000_FW_PRE #api ".ucode"
+#define IWL2000_MODULE_FIRMWARE(api) _IWL2000_MODULE_FIRMWARE(api)
+
+#define IWL200_FW_PRE "iwlwifi-200-"
+#define _IWL200_MODULE_FIRMWARE(api) IWL200_FW_PRE #api ".ucode"
+#define IWL200_MODULE_FIRMWARE(api) _IWL200_MODULE_FIRMWARE(api)
+
+static void iwl2000_set_ct_threshold(struct iwl_priv *priv)
+{
+	/* want Celsius */
+	priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD;
+	priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD;
+}
+
+/* NIC configuration for 2000 series */
+static void iwl2000_nic_config(struct iwl_priv *priv)
+{
+	u16 radio_cfg;
+
+	radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+
+	/* write radio config values to register */
+	if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX)
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+			EEPROM_RF_CFG_TYPE_MSK(radio_cfg) |
+			EEPROM_RF_CFG_STEP_MSK(radio_cfg) |
+			EEPROM_RF_CFG_DASH_MSK(radio_cfg));
+
+	/* set CSR_HW_CONFIG_REG for uCode use */
+	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+		    CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
+		    CSR_HW_IF_CONFIG_REG_BIT_MAC_SI);
+
+}
+
+static struct iwl_sensitivity_ranges iwl2000_sensitivity = {
+	.min_nrg_cck = 97,
+	.max_nrg_cck = 0, /* not used, set to 0 */
+	.auto_corr_min_ofdm = 80,
+	.auto_corr_min_ofdm_mrc = 128,
+	.auto_corr_min_ofdm_x1 = 105,
+	.auto_corr_min_ofdm_mrc_x1 = 192,
+
+	.auto_corr_max_ofdm = 145,
+	.auto_corr_max_ofdm_mrc = 232,
+	.auto_corr_max_ofdm_x1 = 110,
+	.auto_corr_max_ofdm_mrc_x1 = 232,
+
+	.auto_corr_min_cck = 125,
+	.auto_corr_max_cck = 175,
+	.auto_corr_min_cck_mrc = 160,
+	.auto_corr_max_cck_mrc = 310,
+	.nrg_th_cck = 97,
+	.nrg_th_ofdm = 100,
+
+	.barker_corr_th_min = 190,
+	.barker_corr_th_min_mrc = 390,
+	.nrg_th_cca = 62,
+};
+
+static int iwl2000_hw_set_hw_params(struct iwl_priv *priv)
+{
+	if (priv->cfg->mod_params->num_of_queues >= IWL_MIN_NUM_QUEUES &&
+	    priv->cfg->mod_params->num_of_queues <= IWLAGN_NUM_QUEUES)
+		priv->cfg->base_params->num_of_queues =
+			priv->cfg->mod_params->num_of_queues;
+
+	priv->hw_params.max_txq_num = priv->cfg->base_params->num_of_queues;
+	priv->hw_params.dma_chnl_num = FH50_TCSR_CHNL_NUM;
+	priv->hw_params.scd_bc_tbls_size =
+		priv->cfg->base_params->num_of_queues *
+		sizeof(struct iwlagn_scd_bc_tbl);
+	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
+	priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
+
+	priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
+	priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
+
+	priv->hw_params.max_bsm_size = 0;
+	priv->hw_params.ht40_channel =  BIT(IEEE80211_BAND_2GHZ) |
+					BIT(IEEE80211_BAND_5GHZ);
+	priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR;
+
+	priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant);
+	if (priv->cfg->rx_with_siso_diversity)
+		priv->hw_params.rx_chains_num = 1;
+	else
+		priv->hw_params.rx_chains_num =
+			num_of_ant(priv->cfg->valid_rx_ant);
+	priv->hw_params.valid_tx_ant = priv->cfg->valid_tx_ant;
+	priv->hw_params.valid_rx_ant = priv->cfg->valid_rx_ant;
+
+	iwl2000_set_ct_threshold(priv);
+
+	/* Set initial sensitivity parameters */
+	/* Set initial calibration set */
+	priv->hw_params.sens = &iwl2000_sensitivity;
+	priv->hw_params.calib_init_cfg =
+		BIT(IWL_CALIB_XTAL)             |
+		BIT(IWL_CALIB_LO)               |
+		BIT(IWL_CALIB_TX_IQ)            |
+		BIT(IWL_CALIB_BASE_BAND);
+	if (priv->cfg->need_dc_calib)
+		priv->hw_params.calib_rt_cfg |= BIT(IWL_CALIB_CFG_DC_IDX);
+	if (priv->cfg->need_temp_offset_calib)
+		priv->hw_params.calib_init_cfg |= BIT(IWL_CALIB_TEMP_OFFSET);
+
+	priv->hw_params.beacon_time_tsf_bits = IWLAGN_EXT_BEACON_TIME_POS;
+
+	return 0;
+}
+
+static int iwl2030_hw_channel_switch(struct iwl_priv *priv,
+                                    struct ieee80211_channel_switch *ch_switch)
+{
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+	struct iwl6000_channel_switch_cmd cmd;
+	const struct iwl_channel_info *ch_info;
+	u32 switch_time_in_usec, ucode_switch_time;
+	u16 ch;
+	u32 tsf_low;
+	u8 switch_count;
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
+	struct ieee80211_vif *vif = ctx->vif;
+	struct iwl_host_cmd hcmd = {
+		.id = REPLY_CHANNEL_SWITCH,
+		.len = sizeof(cmd),
+		.flags = CMD_SYNC,
+		.data = &cmd,
+	};
+
+	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	ch = ch_switch->channel->hw_value;
+	IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
+		ctx->active.channel, ch);
+	cmd.channel = cpu_to_le16(ch);
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
+	switch_count = ch_switch->count;
+	tsf_low = ch_switch->timestamp & 0x0ffffffff;
+	/*
+	 * calculate the ucode channel switch time
+	 * adding TSF as one of the factor for when to switch
+	 */
+	if ((priv->ucode_beacon_time > tsf_low) && beacon_interval) {
+		if (switch_count > ((priv->ucode_beacon_time - tsf_low) /
+		    beacon_interval)) {
+			switch_count -= (priv->ucode_beacon_time -
+				tsf_low) / beacon_interval;
+		} else
+			switch_count = 0;
+	}
+	if (switch_count <= 1)
+		cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+	else {
+		switch_time_in_usec =
+			vif->bss_conf.beacon_int * switch_count * TIME_UNIT;
+		ucode_switch_time = iwl_usecs_to_beacons(priv,
+						switch_time_in_usec,
+						beacon_interval);
+		cmd.switch_time = iwl_add_beacon_time(priv,
+						priv->ucode_beacon_time,
+						ucode_switch_time,
+						beacon_interval);
+	}
+	IWL_DEBUG_11H(priv, "uCode time for the switch is 0x%x\n",
+		      cmd.switch_time);
+	ch_info = iwl_get_channel_info(priv, priv->band, ch);
+	if (ch_info)
+		cmd.expect_beacon = is_channel_radar(ch_info);
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			ctx->active.channel, ch);
+		return -EFAULT;
+	}
+	priv->switch_rxon.channel = cmd.channel;
+	priv->switch_rxon.switch_in_progress = true;
+
+	return iwl_send_cmd_sync(priv, &hcmd);
+}
+
+static struct iwl_lib_ops iwl2000_lib = {
+	.set_hw_params = iwl2000_hw_set_hw_params,
+	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
+	.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
+	.txq_set_sched = iwlagn_txq_set_sched,
+	.txq_agg_enable = iwlagn_txq_agg_enable,
+	.txq_agg_disable = iwlagn_txq_agg_disable,
+	.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
+	.txq_free_tfd = iwl_hw_txq_free_tfd,
+	.txq_init = iwl_hw_tx_queue_init,
+	.rx_handler_setup = iwlagn_rx_handler_setup,
+	.setup_deferred_work = iwlagn_setup_deferred_work,
+	.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
+	.load_ucode = iwlagn_load_ucode,
+	.dump_nic_event_log = iwl_dump_nic_event_log,
+	.dump_nic_error_log = iwl_dump_nic_error_log,
+	.dump_csr = iwl_dump_csr,
+	.dump_fh = iwl_dump_fh,
+	.init_alive_start = iwlagn_init_alive_start,
+	.alive_notify = iwlagn_alive_notify,
+	.send_tx_power = iwlagn_send_tx_power,
+	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl2030_hw_channel_switch,
+	.apm_ops = {
+		.init = iwl_apm_init,
+		.config = iwl2000_nic_config,
+	},
+	.eeprom_ops = {
+		.regulatory_bands = {
+			EEPROM_REG_BAND_1_CHANNELS,
+			EEPROM_REG_BAND_2_CHANNELS,
+			EEPROM_REG_BAND_3_CHANNELS,
+			EEPROM_REG_BAND_4_CHANNELS,
+			EEPROM_REG_BAND_5_CHANNELS,
+			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
+			EEPROM_REG_BAND_52_HT40_CHANNELS
+		},
+		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
+		.release_semaphore = iwlcore_eeprom_release_semaphore,
+		.calib_version  = iwlagn_eeprom_calib_version,
+		.query_addr = iwlagn_eeprom_query_addr,
+		.update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
+	},
+	.isr_ops = {
+		.isr = iwl_isr_ict,
+		.free = iwl_free_isr_ict,
+		.alloc = iwl_alloc_isr_ict,
+		.reset = iwl_reset_ict,
+		.disable = iwl_disable_ict,
+	},
+	.temp_ops = {
+		.temperature = iwlagn_temperature,
+	},
+	.debugfs_ops = {
+		.rx_stats_read = iwl_ucode_rx_stats_read,
+		.tx_stats_read = iwl_ucode_tx_stats_read,
+		.general_stats_read = iwl_ucode_general_stats_read,
+		.bt_stats_read = iwl_ucode_bt_stats_read,
+		.reply_tx_error = iwl_reply_tx_error_read,
+	},
+	.check_plcp_health = iwl_good_plcp_health,
+	.check_ack_health = iwl_good_ack_health,
+	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
+	.tt_ops = {
+		.lower_power_detection = iwl_tt_is_low_power_state,
+		.tt_power_mode = iwl_tt_current_power_mode,
+		.ct_kill_check = iwl_check_for_ct_kill,
+	}
+};
+
+static const struct iwl_ops iwl2000_ops = {
+	.lib = &iwl2000_lib,
+	.hcmd = &iwlagn_hcmd,
+	.utils = &iwlagn_hcmd_utils,
+	.led = &iwlagn_led_ops,
+	.ieee80211_ops = &iwlagn_hw_ops,
+};
+
+static const struct iwl_ops iwl2030_ops = {
+	.lib = &iwl2000_lib,
+	.hcmd = &iwlagn_bt_hcmd,
+	.utils = &iwlagn_hcmd_utils,
+	.led = &iwlagn_led_ops,
+	.ieee80211_ops = &iwlagn_hw_ops,
+};
+
+static const struct iwl_ops iwl200_ops = {
+	.lib = &iwl2000_lib,
+	.hcmd = &iwlagn_hcmd,
+	.utils = &iwlagn_hcmd_utils,
+	.led = &iwlagn_led_ops,
+	.ieee80211_ops = &iwlagn_hw_ops,
+};
+
+static const struct iwl_ops iwl230_ops = {
+	.lib = &iwl2000_lib,
+	.hcmd = &iwlagn_bt_hcmd,
+	.utils = &iwlagn_hcmd_utils,
+	.led = &iwlagn_led_ops,
+	.ieee80211_ops = &iwlagn_hw_ops,
+};
+
+static struct iwl_base_params iwl2000_base_params = {
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
+	.shadow_ram_support = true,
+	.led_compensation = 51,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.wd_timeout = IWL_DEF_WD_TIMEOUT,
+	.max_event_log_size = 512,
+	.ucode_tracing = true,
+	.sensitivity_calib_by_driver = true,
+	.chain_noise_calib_by_driver = true,
+	.shadow_reg_enable = true,
+};
+
+
+static struct iwl_base_params iwl2030_base_params = {
+	.eeprom_size = OTP_LOW_IMAGE_SIZE,
+	.num_of_queues = IWLAGN_NUM_QUEUES,
+	.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
+	.pll_cfg_val = 0,
+	.set_l0s = true,
+	.use_bsm = false,
+	.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
+	.shadow_ram_support = true,
+	.led_compensation = 57,
+	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
+	.supports_idle = true,
+	.adv_thermal_throttle = true,
+	.support_ct_kill_exit = true,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.chain_noise_scale = 1000,
+	.wd_timeout = IWL_LONG_WD_TIMEOUT,
+	.max_event_log_size = 512,
+	.ucode_tracing = true,
+	.sensitivity_calib_by_driver = true,
+	.chain_noise_calib_by_driver = true,
+	.shadow_reg_enable = true,
+};
+
+static struct iwl_ht_params iwl2000_ht_params = {
+	.ht_greenfield_support = true,
+	.use_rts_for_aggregation = true, /* use rts/cts protection */
+};
+
+static struct iwl_bt_params iwl2030_bt_params = {
+	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.advanced_bt_coexist = true,
+	.agg_time_limit = BT_AGG_THRESHOLD_DEF,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
+	.bt_sco_disable = true,
+};
+
+#define IWL_DEVICE_2000						\
+	.fw_name_pre = IWL2000_FW_PRE,				\
+	.ucode_api_max = IWL2000_UCODE_API_MAX,			\
+	.ucode_api_min = IWL2000_UCODE_API_MIN,			\
+	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.ops = &iwl2000_ops,					\
+	.mod_params = &iwlagn_mod_params,			\
+	.base_params = &iwl2000_base_params,			\
+	.need_dc_calib = true,					\
+	.need_temp_offset_calib = true,				\
+	.led_mode = IWL_LED_RF_STATE				\
+
+struct iwl_cfg iwl2000_2bgn_cfg = {
+	.name = "2000 Series 2x2 BGN",
+	IWL_DEVICE_2000,
+	.ht_params = &iwl2000_ht_params,
+};
+
+struct iwl_cfg iwl2000_2bg_cfg = {
+	.name = "2000 Series 2x2 BG",
+	IWL_DEVICE_2000,
+};
+
+#define IWL_DEVICE_2030						\
+	.fw_name_pre = IWL2030_FW_PRE,				\
+	.ucode_api_max = IWL2030_UCODE_API_MAX,			\
+	.ucode_api_min = IWL2030_UCODE_API_MIN,			\
+	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.ops = &iwl2030_ops,					\
+	.mod_params = &iwlagn_mod_params,			\
+	.base_params = &iwl2030_base_params,			\
+	.bt_params = &iwl2030_bt_params,			\
+	.need_dc_calib = true,					\
+	.need_temp_offset_calib = true,				\
+	.led_mode = IWL_LED_RF_STATE,				\
+	.adv_pm = true						\
+
+struct iwl_cfg iwl2030_2bgn_cfg = {
+	.name = "2000 Series 2x2 BGN/BT",
+	IWL_DEVICE_2000,
+	.ht_params = &iwl2000_ht_params,
+};
+
+struct iwl_cfg iwl2030_2bg_cfg = {
+	.name = "2000 Series 2x2 BG/BT",
+	IWL_DEVICE_2000,
+};
+
+#define IWL_DEVICE_6035						\
+	.fw_name_pre = IWL2030_FW_PRE,				\
+	.ucode_api_max = IWL2030_UCODE_API_MAX,			\
+	.ucode_api_min = IWL2030_UCODE_API_MIN,			\
+	.eeprom_ver = EEPROM_6035_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_6035_TX_POWER_VERSION,	\
+	.ops = &iwl2030_ops,					\
+	.mod_params = &iwlagn_mod_params,			\
+	.base_params = &iwl2030_base_params,			\
+	.bt_params = &iwl2030_bt_params,			\
+	.need_dc_calib = true,					\
+	.need_temp_offset_calib = true,				\
+	.led_mode = IWL_LED_RF_STATE,				\
+	.adv_pm = true						\
+
+struct iwl_cfg iwl6035_2agn_cfg = {
+	.name = "2000 Series 2x2 AGN/BT",
+	IWL_DEVICE_6035,
+	.ht_params = &iwl2000_ht_params,
+};
+
+struct iwl_cfg iwl6035_2abg_cfg = {
+	.name = "2000 Series 2x2 ABG/BT",
+	IWL_DEVICE_6035,
+};
+
+struct iwl_cfg iwl6035_2bg_cfg = {
+	.name = "2000 Series 2x2 BG/BT",
+	IWL_DEVICE_6035,
+};
+
+#define IWL_DEVICE_200						\
+	.fw_name_pre = IWL200_FW_PRE,				\
+	.ucode_api_max = IWL200_UCODE_API_MAX,			\
+	.ucode_api_min = IWL200_UCODE_API_MIN,			\
+	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.ops = &iwl200_ops,					\
+	.mod_params = &iwlagn_mod_params,			\
+	.base_params = &iwl2000_base_params,			\
+	.need_dc_calib = true,					\
+	.need_temp_offset_calib = true,				\
+	.led_mode = IWL_LED_RF_STATE,				\
+	.adv_pm = true,						\
+	.rx_with_siso_diversity = true				\
+
+struct iwl_cfg iwl200_bg_cfg = {
+	.name = "200 Series 1x1 BG",
+	IWL_DEVICE_200,
+};
+
+struct iwl_cfg iwl200_bgn_cfg = {
+	.name = "200 Series 1x1 BGN",
+	IWL_DEVICE_200,
+	.ht_params = &iwl2000_ht_params,
+};
+
+#define IWL_DEVICE_230						\
+	.fw_name_pre = IWL200_FW_PRE,				\
+	.ucode_api_max = IWL200_UCODE_API_MAX,			\
+	.ucode_api_min = IWL200_UCODE_API_MIN,			\
+	.eeprom_ver = EEPROM_2000_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION,	\
+	.ops = &iwl230_ops,					\
+	.mod_params = &iwlagn_mod_params,			\
+	.base_params = &iwl2030_base_params,			\
+	.bt_params = &iwl2030_bt_params,			\
+	.need_dc_calib = true,					\
+	.need_temp_offset_calib = true,				\
+	.led_mode = IWL_LED_RF_STATE,				\
+	.adv_pm = true,						\
+	.rx_with_siso_diversity = true				\
+
+struct iwl_cfg iwl230_bg_cfg = {
+	.name = "200 Series 1x1 BG/BT",
+	IWL_DEVICE_230,
+};
+
+struct iwl_cfg iwl230_bgn_cfg = {
+	.name = "200 Series 1x1 BGN/BT",
+	IWL_DEVICE_230,
+	.ht_params = &iwl2000_ht_params,
+};
+
+MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL200_MODULE_FIRMWARE(IWL200_UCODE_API_MAX));

drivers/net/wireless/iwlwifi/iwl-3945-led.c

@@ -59,33 +59,6 @@ static int iwl3945_send_led_cmd(struct iwl_priv *priv,
 	return iwl_send_cmd(priv, &cmd);
 }
 
-/* Set led on command */
-static int iwl3945_led_on(struct iwl_priv *priv)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = IWL_LED_LINK,
-		.on = IWL_LED_SOLID,
-		.off = 0,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-	return iwl3945_send_led_cmd(priv, &led_cmd);
-}
-
-/* Set led off command */
-static int iwl3945_led_off(struct iwl_priv *priv)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = IWL_LED_LINK,
-		.on = 0,
-		.off = 0,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-	IWL_DEBUG_LED(priv, "led off\n");
-	return iwl3945_send_led_cmd(priv, &led_cmd);
-}
-
 const struct iwl_led_ops iwl3945_led_ops = {
 	.cmd = iwl3945_send_led_cmd,
-	.on = iwl3945_led_on,
-	.off = iwl3945_led_off,
 };

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -594,10 +594,11 @@ static void iwl3945_rx_reply_rx(struct iwl_priv *priv,
 
 	rx_status.flag = 0;
 	rx_status.mactime = le64_to_cpu(rx_end->timestamp);
-	rx_status.freq =
-		ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel));
 	rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
 				IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+	rx_status.freq =
+		ieee80211_channel_to_frequency(le16_to_cpu(rx_hdr->channel),
+					       rx_status.band);
 
 	rx_status.rate_idx = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate);
 	if (rx_status.band == IEEE80211_BAND_5GHZ)

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

@@ -2316,6 +2316,11 @@ static void iwl4965_rx_handler_setup(struct iwl_priv *priv)
 	priv->rx_handlers[REPLY_RX] = iwlagn_rx_reply_rx;
 	/* Tx response */
 	priv->rx_handlers[REPLY_TX] = iwl4965_rx_reply_tx;
+
+	/* set up notification wait support */
+	spin_lock_init(&priv->_agn.notif_wait_lock);
+	INIT_LIST_HEAD(&priv->_agn.notif_waits);
+	init_waitqueue_head(&priv->_agn.notif_waitq);
 }
 
 static void iwl4965_setup_deferred_work(struct iwl_priv *priv)

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -67,13 +67,13 @@
 #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode"
 #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api)
 
-#define IWL6000G2A_FW_PRE "iwlwifi-6000g2a-"
-#define _IWL6000G2A_MODULE_FIRMWARE(api) IWL6000G2A_FW_PRE #api ".ucode"
-#define IWL6000G2A_MODULE_FIRMWARE(api) _IWL6000G2A_MODULE_FIRMWARE(api)
+#define IWL6005_FW_PRE "iwlwifi-6000g2a-"
+#define _IWL6005_MODULE_FIRMWARE(api) IWL6005_FW_PRE #api ".ucode"
+#define IWL6005_MODULE_FIRMWARE(api) _IWL6005_MODULE_FIRMWARE(api)
 
-#define IWL6000G2B_FW_PRE "iwlwifi-6000g2b-"
-#define _IWL6000G2B_MODULE_FIRMWARE(api) IWL6000G2B_FW_PRE #api ".ucode"
-#define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWARE(api)
+#define IWL6030_FW_PRE "iwlwifi-6000g2b-"
+#define _IWL6030_MODULE_FIRMWARE(api) IWL6030_FW_PRE #api ".ucode"
+#define IWL6030_MODULE_FIRMWARE(api) _IWL6030_MODULE_FIRMWARE(api)
 
 static void iwl6000_set_ct_threshold(struct iwl_priv *priv)
 {
@@ -90,7 +90,7 @@ static void iwl6050_additional_nic_config(struct iwl_priv *priv)
 				CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6);
 }
 
-static void iwl6050g2_additional_nic_config(struct iwl_priv *priv)
+static void iwl6150_additional_nic_config(struct iwl_priv *priv)
 {
 	/* Indicate calibration version to uCode. */
 	if (priv->cfg->ops->lib->eeprom_ops.calib_version(priv) >= 6)
@@ -354,7 +354,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	}
 };
 
-static struct iwl_lib_ops iwl6000g2b_lib = {
+static struct iwl_lib_ops iwl6030_lib = {
 	.set_hw_params = iwl6000_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
 	.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
@@ -430,8 +430,8 @@ static struct iwl_nic_ops iwl6050_nic_ops = {
 	.additional_nic_config = &iwl6050_additional_nic_config,
 };
 
-static struct iwl_nic_ops iwl6050g2_nic_ops = {
-	.additional_nic_config = &iwl6050g2_additional_nic_config,
+static struct iwl_nic_ops iwl6150_nic_ops = {
+	.additional_nic_config = &iwl6150_additional_nic_config,
 };
 
 static const struct iwl_ops iwl6000_ops = {
@@ -451,17 +451,17 @@ static const struct iwl_ops iwl6050_ops = {
 	.ieee80211_ops = &iwlagn_hw_ops,
 };
 
-static const struct iwl_ops iwl6050g2_ops = {
+static const struct iwl_ops iwl6150_ops = {
 	.lib = &iwl6000_lib,
 	.hcmd = &iwlagn_hcmd,
 	.utils = &iwlagn_hcmd_utils,
 	.led = &iwlagn_led_ops,
-	.nic = &iwl6050g2_nic_ops,
+	.nic = &iwl6150_nic_ops,
 	.ieee80211_ops = &iwlagn_hw_ops,
 };
 
-static const struct iwl_ops iwl6000g2b_ops = {
-	.lib = &iwl6000g2b_lib,
+static const struct iwl_ops iwl6030_ops = {
+	.lib = &iwl6030_lib,
 	.hcmd = &iwlagn_bt_hcmd,
 	.utils = &iwlagn_hcmd_utils,
 	.led = &iwlagn_led_ops,
@@ -555,11 +555,11 @@ static struct iwl_bt_params iwl6000_bt_params = {
 };
 
 #define IWL_DEVICE_6005						\
-	.fw_name_pre = IWL6000G2A_FW_PRE,			\
+	.fw_name_pre = IWL6005_FW_PRE,			\
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,		\
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,		\
-	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,	\
+	.eeprom_ver = EEPROM_6005_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION,	\
 	.ops = &iwl6000_ops,					\
 	.mod_params = &iwlagn_mod_params,			\
 	.base_params = &iwl6000_g2_base_params,			\
@@ -584,12 +584,12 @@ struct iwl_cfg iwl6005_2bg_cfg = {
 };
 
 #define IWL_DEVICE_6030						\
-	.fw_name_pre = IWL6000G2B_FW_PRE,			\
+	.fw_name_pre = IWL6030_FW_PRE,			\
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,		\
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,		\
-	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,		\
-	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,	\
-	.ops = &iwl6000g2b_ops,					\
+	.eeprom_ver = EEPROM_6030_EEPROM_VERSION,		\
+	.eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION,	\
+	.ops = &iwl6030_ops,					\
 	.mod_params = &iwlagn_mod_params,			\
 	.base_params = &iwl6000_g2_base_params,			\
 	.bt_params = &iwl6000_bt_params,			\
@@ -706,9 +706,9 @@ struct iwl_cfg iwl6150_bgn_cfg = {
 	.fw_name_pre = IWL6050_FW_PRE,
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
-	.eeprom_ver = EEPROM_6050G2_EEPROM_VERSION,
-	.eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION,
-	.ops = &iwl6050g2_ops,
+	.eeprom_ver = EEPROM_6150_EEPROM_VERSION,
+	.eeprom_calib_ver = EEPROM_6150_TX_POWER_VERSION,
+	.ops = &iwl6150_ops,
 	.mod_params = &iwlagn_mod_params,
 	.base_params = &iwl6050_base_params,
 	.ht_params = &iwl6000_ht_params,
@@ -734,5 +734,5 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL6050_MODULE_FIRMWARE(IWL6050_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL6000G2A_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL6000G2B_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6005_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL6030_MODULE_FIRMWARE(IWL6000G2_UCODE_API_MAX));

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

@@ -305,7 +305,11 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv)
 	cmd.slots[0].type = 0; /* BSS */
 	cmd.slots[1].type = 1; /* PAN */
 
-	if (ctx_bss->vif && ctx_pan->vif) {
+	if (priv->_agn.hw_roc_channel) {
+		/* both contexts must be used for this to happen */
+		slot1 = priv->_agn.hw_roc_duration;
+		slot0 = IWL_MIN_SLOT_TIME;
+	} else if (ctx_bss->vif && ctx_pan->vif) {
 		int bcnint = ctx_pan->vif->bss_conf.beacon_int;
 		int dtim = ctx_pan->vif->bss_conf.dtim_period ?: 1;
 
@@ -330,12 +334,12 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv)
 		if (test_bit(STATUS_SCAN_HW, &priv->status) ||
 		    (!ctx_bss->vif->bss_conf.idle &&
 		     !ctx_bss->vif->bss_conf.assoc)) {
-			slot0 = dtim * bcnint * 3 - 20;
-			slot1 = 20;
+			slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME;
+			slot1 = IWL_MIN_SLOT_TIME;
 		} else if (!ctx_pan->vif->bss_conf.idle &&
 			   !ctx_pan->vif->bss_conf.assoc) {
-			slot1 = bcnint * 3 - 20;
-			slot0 = 20;
+			slot1 = bcnint * 3 - IWL_MIN_SLOT_TIME;
+			slot0 = IWL_MIN_SLOT_TIME;
 		}
 	} else if (ctx_pan->vif) {
 		slot0 = 0;
@@ -344,8 +348,8 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv)
 		slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1);
 
 		if (test_bit(STATUS_SCAN_HW, &priv->status)) {
-			slot0 = slot1 * 3 - 20;
-			slot1 = 20;
+			slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME;
+			slot1 = IWL_MIN_SLOT_TIME;
 		}
 	}
 

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

@@ -63,23 +63,11 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
 }
 
 /* Set led register off */
-static int iwl_led_on_reg(struct iwl_priv *priv)
+void iwlagn_led_enable(struct iwl_priv *priv)
 {
-	IWL_DEBUG_LED(priv, "led on\n");
 	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
-	return 0;
-}
-
-/* Set led register off */
-static int iwl_led_off_reg(struct iwl_priv *priv)
-{
-	IWL_DEBUG_LED(priv, "LED Reg off\n");
-	iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF);
-	return 0;
 }
 
 const struct iwl_led_ops iwlagn_led_ops = {
 	.cmd = iwl_send_led_cmd,
-	.on = iwl_led_on_reg,
-	.off = iwl_led_off_reg,
 };

drivers/net/wireless/iwlwifi/iwl-agn-led.h

@@ -28,5 +28,6 @@
 #define __iwl_agn_led_h__
 
 extern const struct iwl_led_ops iwlagn_led_ops;
+void iwlagn_led_enable(struct iwl_priv *priv);
 
 #endif /* __iwl_agn_led_h__ */

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

@@ -473,6 +473,11 @@ void iwlagn_rx_handler_setup(struct iwl_priv *priv)
 	priv->rx_handlers[CALIBRATION_COMPLETE_NOTIFICATION] =
 					iwlagn_rx_calib_complete;
 	priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx;
+
+	/* set up notification wait support */
+	spin_lock_init(&priv->_agn.notif_wait_lock);
+	INIT_LIST_HEAD(&priv->_agn.notif_waits);
+	init_waitqueue_head(&priv->_agn.notif_waitq);
 }
 
 void iwlagn_setup_deferred_work(struct iwl_priv *priv)
@@ -1157,10 +1162,11 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv,
 
 	/* rx_status carries information about the packet to mac80211 */
 	rx_status.mactime = le64_to_cpu(phy_res->timestamp);
-	rx_status.freq =
-		ieee80211_channel_to_frequency(le16_to_cpu(phy_res->channel));
 	rx_status.band = (phy_res->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
 				IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+	rx_status.freq =
+		ieee80211_channel_to_frequency(le16_to_cpu(phy_res->channel),
+					       rx_status.band);
 	rx_status.rate_idx =
 		iwlagn_hwrate_to_mac80211_idx(rate_n_flags, rx_status.band);
 	rx_status.flag = 0;
@@ -2389,3 +2395,44 @@ int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display)
 	}
 	return 0;
 }
+
+/* notification wait support */
+void iwlagn_init_notification_wait(struct iwl_priv *priv,
+				   struct iwl_notification_wait *wait_entry,
+				   void (*fn)(struct iwl_priv *priv,
+					      struct iwl_rx_packet *pkt),
+				   u8 cmd)
+{
+	wait_entry->fn = fn;
+	wait_entry->cmd = cmd;
+	wait_entry->triggered = false;
+
+	spin_lock_bh(&priv->_agn.notif_wait_lock);
+	list_add(&wait_entry->list, &priv->_agn.notif_waits);
+	spin_unlock_bh(&priv->_agn.notif_wait_lock);
+}
+
+signed long iwlagn_wait_notification(struct iwl_priv *priv,
+				     struct iwl_notification_wait *wait_entry,
+				     unsigned long timeout)
+{
+	int ret;
+
+	ret = wait_event_timeout(priv->_agn.notif_waitq,
+				 &wait_entry->triggered,
+				 timeout);
+
+	spin_lock_bh(&priv->_agn.notif_wait_lock);
+	list_del(&wait_entry->list);
+	spin_unlock_bh(&priv->_agn.notif_wait_lock);
+
+	return ret;
+}
+
+void iwlagn_remove_notification(struct iwl_priv *priv,
+				struct iwl_notification_wait *wait_entry)
+{
+	spin_lock_bh(&priv->_agn.notif_wait_lock);
+	list_del(&wait_entry->list);
+	spin_unlock_bh(&priv->_agn.notif_wait_lock);
+}

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

@@ -52,10 +52,14 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
 			      struct iwl_rxon_context *ctx,
 			      struct iwl_rxon_cmd *send)
 {
+	struct iwl_notification_wait disable_wait;
 	__le32 old_filter = send->filter_flags;
 	u8 old_dev_type = send->dev_type;
 	int ret;
 
+	iwlagn_init_notification_wait(priv, &disable_wait, NULL,
+				      REPLY_WIPAN_DEACTIVATION_COMPLETE);
+
 	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 	send->dev_type = RXON_DEV_TYPE_P2P;
 	ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);
@@ -63,11 +67,18 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
 	send->filter_flags = old_filter;
 	send->dev_type = old_dev_type;
 
-	if (ret)
+	if (ret) {
 		IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
-
-	/* FIXME: WAIT FOR PAN DISABLE */
-	msleep(300);
+		iwlagn_remove_notification(priv, &disable_wait);
+	} else {
+		signed long wait_res;
+
+		wait_res = iwlagn_wait_notification(priv, &disable_wait, HZ);
+		if (wait_res == 0) {
+			IWL_ERR(priv, "Timed out waiting for PAN disable\n");
+			ret = -EIO;
+		}
+	}
 
 	return ret;
 }
@@ -145,6 +156,23 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 	/* always get timestamp with Rx frame */
 	ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
 
+	if (ctx->ctxid == IWL_RXON_CTX_PAN && priv->_agn.hw_roc_channel) {
+		struct ieee80211_channel *chan = priv->_agn.hw_roc_channel;
+
+		iwl_set_rxon_channel(priv, chan, ctx);
+		iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
+		ctx->staging.filter_flags |=
+			RXON_FILTER_ASSOC_MSK |
+			RXON_FILTER_PROMISC_MSK |
+			RXON_FILTER_CTL2HOST_MSK;
+		ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
+		new_assoc = true;
+
+		if (memcmp(&ctx->staging, &ctx->active,
+			   sizeof(ctx->staging)) == 0)
+			return 0;
+	}
+
 	if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
 	    !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK))
 		ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
@@ -546,12 +574,10 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changes & BSS_CHANGED_ASSOC) {
 		if (bss_conf->assoc) {
-			iwl_led_associate(priv);
 			priv->timestamp = bss_conf->timestamp;
 			ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		} else {
 			ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-			iwl_led_disassociate(priv);
 		}
 	}
 

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

@@ -539,7 +539,14 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	unsigned long flags;
 	bool is_agg = false;
 
-	if (info->control.vif)
+	/*
+	 * If the frame needs to go out off-channel, then
+	 * we'll have put the PAN context to that channel,
+	 * so make the frame go out there.
+	 */
+	if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
+		ctx = &priv->contexts[IWL_RXON_CTX_PAN];
+	else if (info->control.vif)
 		ctx = iwl_rxon_ctx_from_vif(info->control.vif);
 
 	spin_lock_irqsave(&priv->lock, flags);

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

@@ -59,6 +59,7 @@
 #include "iwl-sta.h"
 #include "iwl-agn-calib.h"
 #include "iwl-agn.h"
+#include "iwl-agn-led.h"
 
 
 /******************************************************************************
@@ -846,7 +847,7 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
  * the appropriate handlers, including command responses,
  * frame-received notifications, and other notifications.
  */
-void iwl_rx_handle(struct iwl_priv *priv)
+static void iwl_rx_handle(struct iwl_priv *priv)
 {
 	struct iwl_rx_mem_buffer *rxb;
 	struct iwl_rx_packet *pkt;
@@ -910,6 +911,27 @@ void iwl_rx_handle(struct iwl_priv *priv)
 			(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
 			(pkt->hdr.cmd != REPLY_TX);
 
+		/*
+		 * Do the notification wait before RX handlers so
+		 * even if the RX handler consumes the RXB we have
+		 * access to it in the notification wait entry.
+		 */
+		if (!list_empty(&priv->_agn.notif_waits)) {
+			struct iwl_notification_wait *w;
+
+			spin_lock(&priv->_agn.notif_wait_lock);
+			list_for_each_entry(w, &priv->_agn.notif_waits, list) {
+				if (w->cmd == pkt->hdr.cmd) {
+					w->triggered = true;
+					if (w->fn)
+						w->fn(priv, pkt);
+				}
+			}
+			spin_unlock(&priv->_agn.notif_wait_lock);
+
+			wake_up_all(&priv->_agn.notif_waitq);
+		}
+
 		/* Based on type of command response or notification,
 		 *   handle those that need handling via function in
 		 *   rx_handlers table.  See iwl_setup_rx_handlers() */
@@ -2720,8 +2742,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	/* At this point, the NIC is initialized and operational */
 	iwl_rf_kill_ct_config(priv);
 
-	iwl_leds_init(priv);
-
 	IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
 	wake_up_interruptible(&priv->wait_command_queue);
 
@@ -3188,6 +3208,8 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 		hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
 	}
 
+	hw->wiphy->max_remain_on_channel_duration = 1000;
+
 	hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
 			    WIPHY_FLAG_DISABLE_BEACON_HINTS;
 
@@ -3213,6 +3235,8 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 			&priv->bands[IEEE80211_BAND_5GHZ];
 
+	iwl_leds_init(priv);
+
 	ret = ieee80211_register_hw(priv->hw);
 	if (ret) {
 		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
@@ -3257,7 +3281,7 @@ int iwlagn_mac_start(struct ieee80211_hw *hw)
 		}
 	}
 
-	iwl_led_start(priv);
+	iwlagn_led_enable(priv);
 
 out:
 	priv->is_open = 1;
@@ -3393,7 +3417,8 @@ int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
-			    struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+			    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			    u8 buf_size)
 {
 	struct iwl_priv *priv = hw->priv;
 	int ret = -EINVAL;
@@ -3703,6 +3728,95 @@ done:
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
+static void iwlagn_disable_roc(struct iwl_priv *priv)
+{
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
+	struct ieee80211_channel *chan = ACCESS_ONCE(priv->hw->conf.channel);
+
+	lockdep_assert_held(&priv->mutex);
+
+	if (!ctx->is_active)
+		return;
+
+	ctx->staging.dev_type = RXON_DEV_TYPE_2STA;
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	iwl_set_rxon_channel(priv, chan, ctx);
+	iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
+
+	priv->_agn.hw_roc_channel = NULL;
+
+	iwlagn_commit_rxon(priv, ctx);
+
+	ctx->is_active = false;
+}
+
+static void iwlagn_bg_roc_done(struct work_struct *work)
+{
+	struct iwl_priv *priv = container_of(work, struct iwl_priv,
+					     _agn.hw_roc_work.work);
+
+	mutex_lock(&priv->mutex);
+	ieee80211_remain_on_channel_expired(priv->hw);
+	iwlagn_disable_roc(priv);
+	mutex_unlock(&priv->mutex);
+}
+
+static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
+				     struct ieee80211_channel *channel,
+				     enum nl80211_channel_type channel_type,
+				     int duration)
+{
+	struct iwl_priv *priv = hw->priv;
+	int err = 0;
+
+	if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+		return -EOPNOTSUPP;
+
+	if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
+					BIT(NL80211_IFTYPE_P2P_CLIENT)))
+		return -EOPNOTSUPP;
+
+	mutex_lock(&priv->mutex);
+
+	if (priv->contexts[IWL_RXON_CTX_PAN].is_active ||
+	    test_bit(STATUS_SCAN_HW, &priv->status)) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	priv->contexts[IWL_RXON_CTX_PAN].is_active = true;
+	priv->_agn.hw_roc_channel = channel;
+	priv->_agn.hw_roc_chantype = channel_type;
+	priv->_agn.hw_roc_duration = DIV_ROUND_UP(duration * 1000, 1024);
+	iwlagn_commit_rxon(priv, &priv->contexts[IWL_RXON_CTX_PAN]);
+	queue_delayed_work(priv->workqueue, &priv->_agn.hw_roc_work,
+			   msecs_to_jiffies(duration + 20));
+
+	msleep(IWL_MIN_SLOT_TIME); /* TU is almost ms */
+	ieee80211_ready_on_channel(priv->hw);
+
+ out:
+	mutex_unlock(&priv->mutex);
+
+	return err;
+}
+
+static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
+{
+	struct iwl_priv *priv = hw->priv;
+
+	if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
+		return -EOPNOTSUPP;
+
+	cancel_delayed_work_sync(&priv->_agn.hw_roc_work);
+
+	mutex_lock(&priv->mutex);
+	iwlagn_disable_roc(priv);
+	mutex_unlock(&priv->mutex);
+
+	return 0;
+}
+
 /*****************************************************************************
  *
  * driver setup and teardown
@@ -3724,6 +3838,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
 	INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
 	INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
 	INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
+	INIT_DELAYED_WORK(&priv->_agn.hw_roc_work, iwlagn_bg_roc_done);
 
 	iwl_setup_scan_deferred_work(priv);
 
@@ -3892,6 +4007,8 @@ struct ieee80211_ops iwlagn_hw_ops = {
 	.channel_switch = iwlagn_mac_channel_switch,
 	.flush = iwlagn_mac_flush,
 	.tx_last_beacon = iwl_mac_tx_last_beacon,
+	.remain_on_channel = iwl_mac_remain_on_channel,
+	.cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
 };
 #endif
 
@@ -4019,6 +4136,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
 	priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
 		BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
+#ifdef CONFIG_IWL_P2P
+	priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
+		BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO);
+#endif
 	priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
 	priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
 	priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
@@ -4266,6 +4387,9 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 	 * we need to set STATUS_EXIT_PENDING bit.
 	 */
 	set_bit(STATUS_EXIT_PENDING, &priv->status);
+
+	iwl_leds_exit(priv);
+
 	if (priv->mac80211_registered) {
 		ieee80211_unregister_hw(priv->hw);
 		priv->mac80211_registered = 0;
@@ -4486,6 +4610,49 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 	{IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
 	{IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
 
+/* 2x00 Series */
+	{IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0890, 0x4026, iwl2000_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_cfg)},
+
+/* 2x30 Series */
+	{IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_cfg)},
+
+/* 6x35 Series */
+	{IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x4064, iwl6035_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
+	{IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_cfg)},
+
+/* 200 Series */
+	{IWL_PCI_DEVICE(0x0894, 0x0022, iwl200_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0895, 0x0222, iwl200_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0894, 0x0422, iwl200_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0894, 0x0026, iwl200_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0895, 0x0226, iwl200_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0894, 0x0426, iwl200_bg_cfg)},
+
+/* 230 Series */
+	{IWL_PCI_DEVICE(0x0892, 0x0062, iwl230_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0893, 0x0262, iwl230_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0892, 0x0462, iwl230_bgn_cfg)},
+	{IWL_PCI_DEVICE(0x0892, 0x0066, iwl230_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0893, 0x0266, iwl230_bg_cfg)},
+	{IWL_PCI_DEVICE(0x0892, 0x0466, iwl230_bg_cfg)},
+
 #endif /* CONFIG_IWL5000 */
 
 	{0}

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

@@ -96,6 +96,17 @@ extern struct iwl_cfg iwl100_bgn_cfg;
 extern struct iwl_cfg iwl100_bg_cfg;
 extern struct iwl_cfg iwl130_bgn_cfg;
 extern struct iwl_cfg iwl130_bg_cfg;
+extern struct iwl_cfg iwl2000_2bgn_cfg;
+extern struct iwl_cfg iwl2000_2bg_cfg;
+extern struct iwl_cfg iwl2030_2bgn_cfg;
+extern struct iwl_cfg iwl2030_2bg_cfg;
+extern struct iwl_cfg iwl6035_2agn_cfg;
+extern struct iwl_cfg iwl6035_2abg_cfg;
+extern struct iwl_cfg iwl6035_2bg_cfg;
+extern struct iwl_cfg iwl200_bg_cfg;
+extern struct iwl_cfg iwl200_bgn_cfg;
+extern struct iwl_cfg iwl230_bg_cfg;
+extern struct iwl_cfg iwl230_bgn_cfg;
 
 extern struct iwl_mod_params iwlagn_mod_params;
 extern struct iwl_hcmd_ops iwlagn_hcmd;
@@ -185,7 +196,6 @@ void iwlagn_rx_reply_rx(struct iwl_priv *priv,
 		     struct iwl_rx_mem_buffer *rxb);
 void iwlagn_rx_reply_rx_phy(struct iwl_priv *priv,
 			 struct iwl_rx_mem_buffer *rxb);
-void iwl_rx_handle(struct iwl_priv *priv);
 
 /* tx */
 void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
@@ -330,6 +340,21 @@ void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac);
 int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv);
 void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv);
 
+/* notification wait support */
+void __acquires(wait_entry)
+iwlagn_init_notification_wait(struct iwl_priv *priv,
+			      struct iwl_notification_wait *wait_entry,
+			      void (*fn)(struct iwl_priv *priv,
+					 struct iwl_rx_packet *pkt),
+			      u8 cmd);
+signed long __releases(wait_entry)
+iwlagn_wait_notification(struct iwl_priv *priv,
+			 struct iwl_notification_wait *wait_entry,
+			 unsigned long timeout);
+void __releases(wait_entry)
+iwlagn_remove_notification(struct iwl_priv *priv,
+			   struct iwl_notification_wait *wait_entry);
+
 /* mac80211 handlers (for 4965) */
 int iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
 int iwlagn_mac_start(struct ieee80211_hw *hw);
@@ -349,7 +374,8 @@ void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
 int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
-			    struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+			    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			    u8 buf_size);
 int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
 		       struct ieee80211_vif *vif,
 		       struct ieee80211_sta *sta);

drivers/net/wireless/iwlwifi/iwl-commands.h

@@ -189,6 +189,7 @@ enum {
 	REPLY_WIPAN_WEPKEY = 0xb8,	/* use REPLY_WEPKEY structure */
 	REPLY_WIPAN_P2P_CHANNEL_SWITCH = 0xb9,
 	REPLY_WIPAN_NOA_NOTIFICATION = 0xbc,
+	REPLY_WIPAN_DEACTIVATION_COMPLETE = 0xbd,
 
 	REPLY_MAX = 0xff
 };
@@ -4369,6 +4370,11 @@ int iwl_agn_check_rxon_cmd(struct iwl_priv *priv);
  * REPLY_WIPAN_PARAMS = 0xb2 (Commands and Notification)
  */
 
+/*
+ * Minimum slot time in TU
+ */
+#define IWL_MIN_SLOT_TIME	20
+
 /**
  * struct iwl_wipan_slot
  * @width: Time in TU

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

@@ -227,7 +227,8 @@ int iwlcore_init_geos(struct iwl_priv *priv)
 		geo_ch = &sband->channels[sband->n_channels++];
 
 		geo_ch->center_freq =
-				ieee80211_channel_to_frequency(ch->channel);
+				ieee80211_channel_to_frequency(ch->channel,
+							       sband->band);
 		geo_ch->max_power = ch->max_power_avg;
 		geo_ch->max_antenna_gain = 0xff;
 		geo_ch->hw_value = ch->channel;
@@ -1403,9 +1404,10 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 	struct iwl_rxon_context *tmp, *ctx = NULL;
 	int err;
+	enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif);
 
 	IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n",
-			   vif->type, vif->addr);
+			   viftype, vif->addr);
 
 	mutex_lock(&priv->mutex);
 
@@ -1429,7 +1431,7 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 			continue;
 		}
 
-		if (!(possible_modes & BIT(vif->type)))
+		if (!(possible_modes & BIT(viftype)))
 			continue;
 
 		/* have maybe usable context w/o interface */
@@ -1675,7 +1677,6 @@ void iwl_clear_traffic_stats(struct iwl_priv *priv)
 {
 	memset(&priv->tx_stats, 0, sizeof(struct traffic_stats));
 	memset(&priv->rx_stats, 0, sizeof(struct traffic_stats));
-	priv->led_tpt = 0;
 }
 
 /*
@@ -1768,7 +1769,6 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len)
 		stats->data_cnt++;
 		stats->data_bytes += len;
 	}
-	iwl_leds_background(priv);
 }
 EXPORT_SYMBOL(iwl_update_stats);
 #endif

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

@@ -227,8 +227,6 @@ struct iwl_lib_ops {
 
 struct iwl_led_ops {
 	int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd);
-	int (*on)(struct iwl_priv *priv);
-	int (*off)(struct iwl_priv *priv);
 };
 
 /* NIC specific ops */
@@ -494,18 +492,6 @@ static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
 static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
 				    __le16 fc, u16 len)
 {
-	struct traffic_stats	*stats;
-
-	if (is_tx)
-		stats = &priv->tx_stats;
-	else
-		stats = &priv->rx_stats;
-
-	if (ieee80211_is_data(fc)) {
-		/* data */
-		stats->data_bytes += len;
-	}
-	iwl_leds_background(priv);
 }
 #endif
 /*****************************************************

drivers/net/wireless/iwlwifi/iwl-csr.h

@@ -290,7 +290,7 @@
 
 
 /* HW REV */
-#define CSR_HW_REV_TYPE_MSK            (0x00000F0)
+#define CSR_HW_REV_TYPE_MSK            (0x00001F0)
 #define CSR_HW_REV_TYPE_3945           (0x00000D0)
 #define CSR_HW_REV_TYPE_4965           (0x0000000)
 #define CSR_HW_REV_TYPE_5300           (0x0000020)
@@ -300,9 +300,15 @@
 #define CSR_HW_REV_TYPE_1000           (0x0000060)
 #define CSR_HW_REV_TYPE_6x00           (0x0000070)
 #define CSR_HW_REV_TYPE_6x50           (0x0000080)
-#define CSR_HW_REV_TYPE_6x50g2         (0x0000084)
-#define CSR_HW_REV_TYPE_6x00g2         (0x00000B0)
-#define CSR_HW_REV_TYPE_NONE           (0x00000F0)
+#define CSR_HW_REV_TYPE_6150           (0x0000084)
+#define CSR_HW_REV_TYPE_6x05	       (0x00000B0)
+#define CSR_HW_REV_TYPE_6x30	       CSR_HW_REV_TYPE_6x05
+#define CSR_HW_REV_TYPE_6x35	       CSR_HW_REV_TYPE_6x05
+#define CSR_HW_REV_TYPE_2x30	       (0x00000C0)
+#define CSR_HW_REV_TYPE_2x00	       (0x0000100)
+#define CSR_HW_REV_TYPE_200	       (0x0000110)
+#define CSR_HW_REV_TYPE_230	       (0x0000120)
+#define CSR_HW_REV_TYPE_NONE           (0x00001F0)
 
 /* EEPROM REG */
 #define CSR_EEPROM_REG_READ_VALID_MSK	(0x00000001)

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

@@ -207,18 +207,19 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 	return ret;
 }
 
-#define BYTE1_MASK 0x000000ff;
-#define BYTE2_MASK 0x0000ffff;
-#define BYTE3_MASK 0x00ffffff;
 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 					char __user *user_buf,
 					size_t count, loff_t *ppos)
 {
-	u32 val;
+	u32 val = 0;
 	char *buf;
 	ssize_t ret;
-	int i;
+	int i = 0;
+	bool device_format = false;
+	int offset = 0;
+	int len = 0;
 	int pos = 0;
+	int sram;
 	struct iwl_priv *priv = file->private_data;
 	size_t bufsz;
 
@@ -230,35 +231,62 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
 		else
 			priv->dbgfs_sram_len = priv->ucode_data.len;
 	}
-	bufsz =  30 + priv->dbgfs_sram_len * sizeof(char) * 10;
+	len = priv->dbgfs_sram_len;
+
+	if (len == -4) {
+		device_format = true;
+		len = 4;
+	}
+
+	bufsz =  50 + len * 4;
 	buf = kmalloc(bufsz, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
+
 	pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
-			priv->dbgfs_sram_len);
+			 len);
 	pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 			priv->dbgfs_sram_offset);
-	for (i = priv->dbgfs_sram_len; i > 0; i -= 4) {
-		val = iwl_read_targ_mem(priv, priv->dbgfs_sram_offset + \
-					priv->dbgfs_sram_len - i);
-		if (i < 4) {
-			switch (i) {
-			case 1:
-				val &= BYTE1_MASK;
-				break;
-			case 2:
-				val &= BYTE2_MASK;
-				break;
-			case 3:
-				val &= BYTE3_MASK;
-				break;
-			}
+
+	/* adjust sram address since reads are only on even u32 boundaries */
+	offset = priv->dbgfs_sram_offset & 0x3;
+	sram = priv->dbgfs_sram_offset & ~0x3;
+
+	/* read the first u32 from sram */
+	val = iwl_read_targ_mem(priv, sram);
+
+	for (; len; len--) {
+		/* put the address at the start of every line */
+		if (i == 0)
+			pos += scnprintf(buf + pos, bufsz - pos,
+				"%08X: ", sram + offset);
+
+		if (device_format)
+			pos += scnprintf(buf + pos, bufsz - pos,
+				"%02x", (val >> (8 * (3 - offset))) & 0xff);
+		else
+			pos += scnprintf(buf + pos, bufsz - pos,
+				"%02x ", (val >> (8 * offset)) & 0xff);
+
+		/* if all bytes processed, read the next u32 from sram */
+		if (++offset == 4) {
+			sram += 4;
+			offset = 0;
+			val = iwl_read_targ_mem(priv, sram);
 		}
-		if (!(i % 16))
+
+		/* put in extra spaces and split lines for human readability */
+		if (++i == 16) {
+			i = 0;
 			pos += scnprintf(buf + pos, bufsz - pos, "\n");
-		pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
+		} else if (!(i & 7)) {
+			pos += scnprintf(buf + pos, bufsz - pos, "   ");
+		} else if (!(i & 3)) {
+			pos += scnprintf(buf + pos, bufsz - pos, " ");
+		}
 	}
-	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	if (i)
+		pos += scnprintf(buf + pos, bufsz - pos, "\n");
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 	kfree(buf);
@@ -282,6 +310,9 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file,
 	if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 		priv->dbgfs_sram_offset = offset;
 		priv->dbgfs_sram_len = len;
+	} else if (sscanf(buf, "%x", &offset) == 1) {
+		priv->dbgfs_sram_offset = offset;
+		priv->dbgfs_sram_len = -4;
 	} else {
 		priv->dbgfs_sram_offset = 0;
 		priv->dbgfs_sram_len = 0;
@@ -668,29 +699,6 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
-static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
-				  size_t count, loff_t *ppos)
-{
-	struct iwl_priv *priv = file->private_data;
-	int pos = 0;
-	char buf[256];
-	const size_t bufsz = sizeof(buf);
-
-	pos += scnprintf(buf + pos, bufsz - pos,
-			 "allow blinking: %s\n",
-			 (priv->allow_blinking) ? "True" : "False");
-	if (priv->allow_blinking) {
-		pos += scnprintf(buf + pos, bufsz - pos,
-				 "Led blinking rate: %u\n",
-				 priv->last_blink_rate);
-		pos += scnprintf(buf + pos, bufsz - pos,
-				 "Last blink time: %lu\n",
-				 priv->last_blink_time);
-	}
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
-}
-
 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 				char __user *user_buf,
 				size_t count, loff_t *ppos)
@@ -856,7 +864,6 @@ DEBUGFS_READ_FILE_OPS(channels);
 DEBUGFS_READ_FILE_OPS(status);
 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 DEBUGFS_READ_FILE_OPS(qos);
-DEBUGFS_READ_FILE_OPS(led);
 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
@@ -1725,7 +1732,6 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
 	DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
 	DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
-	DEBUGFS_ADD_FILE(led, dir_data, S_IRUSR);
 	if (!priv->cfg->base_params->broken_powersave) {
 		DEBUGFS_ADD_FILE(sleep_level_override, dir_data,
 				 S_IWUSR | S_IRUSR);

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -34,6 +34,8 @@
 
 #include <linux/pci.h> /* for struct pci_device_id */
 #include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/leds.h>
 #include <net/ieee80211_radiotap.h>
 
 #include "iwl-eeprom.h"
@@ -995,7 +997,6 @@ struct reply_agg_tx_error_statistics {
 	u32 unknown;
 };
 
-#ifdef CONFIG_IWLWIFI_DEBUGFS
 /* management statistics */
 enum iwl_mgmt_stats {
 	MANAGEMENT_ASSOC_REQ = 0,
@@ -1026,16 +1027,13 @@ enum iwl_ctrl_stats {
 };
 
 struct traffic_stats {
+#ifdef CONFIG_IWLWIFI_DEBUGFS
 	u32 mgmt[MANAGEMENT_MAX];
 	u32 ctrl[CONTROL_MAX];
 	u32 data_cnt;
 	u64 data_bytes;
-};
-#else
-struct traffic_stats {
-	u64 data_bytes;
-};
 #endif
+};
 
 /*
  * iwl_switch_rxon: "channel switch" structure
@@ -1139,6 +1137,33 @@ struct iwl_force_reset {
  */
 #define IWLAGN_EXT_BEACON_TIME_POS	22
 
+/**
+ * struct iwl_notification_wait - notification wait entry
+ * @list: list head for global list
+ * @fn: function called with the notification
+ * @cmd: command ID
+ *
+ * This structure is not used directly, to wait for a
+ * notification declare it on the stack, and call
+ * iwlagn_init_notification_wait() with appropriate
+ * parameters. Then do whatever will cause the ucode
+ * to notify the driver, and to wait for that then
+ * call iwlagn_wait_notification().
+ *
+ * Each notification is one-shot. If at some point we
+ * need to support multi-shot notifications (which
+ * can't be allocated on the stack) we need to modify
+ * the code for them.
+ */
+struct iwl_notification_wait {
+	struct list_head list;
+
+	void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt);
+
+	u8 cmd;
+	bool triggered;
+};
+
 enum iwl_rxon_context_id {
 	IWL_RXON_CTX_BSS,
 	IWL_RXON_CTX_PAN,
@@ -1310,11 +1335,6 @@ struct iwl_priv {
 	struct iwl_init_alive_resp card_alive_init;
 	struct iwl_alive_resp card_alive;
 
-	unsigned long last_blink_time;
-	u8 last_blink_rate;
-	u8 allow_blinking;
-	u64 led_tpt;
-
 	u16 active_rate;
 
 	u8 start_calib;
@@ -1463,6 +1483,17 @@ struct iwl_priv {
 			struct iwl_bt_notif_statistics delta_statistics_bt;
 			struct iwl_bt_notif_statistics max_delta_bt;
 #endif
+
+			/* notification wait support */
+			struct list_head notif_waits;
+			spinlock_t notif_wait_lock;
+			wait_queue_head_t notif_waitq;
+
+			/* remain-on-channel offload support */
+			struct ieee80211_channel *hw_roc_channel;
+			struct delayed_work hw_roc_work;
+			enum nl80211_channel_type hw_roc_chantype;
+			int hw_roc_duration;
 		} _agn;
 #endif
 	};
@@ -1547,6 +1578,10 @@ struct iwl_priv {
 	bool hw_ready;
 
 	struct iwl_event_log event_log;
+
+	struct led_classdev led;
+	unsigned long blink_on, blink_off;
+	bool led_registered;
 }; /*iwl_priv */
 
 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)

drivers/net/wireless/iwlwifi/iwl-eeprom.h

@@ -247,13 +247,26 @@ struct iwl_eeprom_enhanced_txpwr {
 #define EEPROM_6050_TX_POWER_VERSION    (4)
 #define EEPROM_6050_EEPROM_VERSION	(0x532)
 
-/* 6x50g2 Specific */
-#define EEPROM_6050G2_TX_POWER_VERSION    (6)
-#define EEPROM_6050G2_EEPROM_VERSION	(0x553)
+/* 6150 Specific */
+#define EEPROM_6150_TX_POWER_VERSION    (6)
+#define EEPROM_6150_EEPROM_VERSION	(0x553)
+
+/* 6x05 Specific */
+#define EEPROM_6005_TX_POWER_VERSION    (6)
+#define EEPROM_6005_EEPROM_VERSION	(0x709)
+
+/* 6x30 Specific */
+#define EEPROM_6030_TX_POWER_VERSION    (6)
+#define EEPROM_6030_EEPROM_VERSION	(0x709)
+
+/* 2x00 Specific */
+#define EEPROM_2000_TX_POWER_VERSION    (6)
+#define EEPROM_2000_EEPROM_VERSION	(0x805)
+
+/* 6x35 Specific */
+#define EEPROM_6035_TX_POWER_VERSION    (6)
+#define EEPROM_6035_EEPROM_VERSION	(0x753)
 
-/* 6x00g2 Specific */
-#define EEPROM_6000G2_TX_POWER_VERSION    (6)
-#define EEPROM_6000G2_EEPROM_VERSION	(0x709)
 
 /* OTP */
 /* lower blocks contain EEPROM image and calibration data */
@@ -264,6 +277,7 @@ struct iwl_eeprom_enhanced_txpwr {
 #define OTP_MAX_LL_ITEMS_1000		(3)	/* OTP blocks for 1000 */
 #define OTP_MAX_LL_ITEMS_6x00		(4)	/* OTP blocks for 6x00 */
 #define OTP_MAX_LL_ITEMS_6x50		(7)	/* OTP blocks for 6x50 */
+#define OTP_MAX_LL_ITEMS_2x00		(4)	/* OTP blocks for 2x00 */
 
 /* 2.4 GHz */
 extern const u8 iwl_eeprom_band_1[14];

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

@@ -108,6 +108,7 @@ const char *get_cmd_string(u8 cmd)
 		IWL_CMD(REPLY_WIPAN_WEPKEY);
 		IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH);
 		IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION);
+		IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE);
 	default:
 		return "UNKNOWN";
 

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

@@ -48,31 +48,19 @@ module_param(led_mode, int, S_IRUGO);
 MODULE_PARM_DESC(led_mode, "0=system default, "
 		"1=On(RF On)/Off(RF Off), 2=blinking");
 
-static const struct {
-	u16 tpt;	/* Mb/s */
-	u8 on_time;
-	u8 off_time;
-} blink_tbl[] =
-{
-	{300, 25, 25},
-	{200, 40, 40},
-	{100, 55, 55},
-	{70, 65, 65},
-	{50, 75, 75},
-	{20, 85, 85},
-	{10, 95, 95},
-	{5, 110, 110},
-	{1, 130, 130},
-	{0, 167, 167},
-	/* SOLID_ON */
-	{-1, IWL_LED_SOLID, 0}
+static const struct ieee80211_tpt_blink iwl_blink[] = {
+	{ .throughput = 0 * 1024 - 1, .blink_time = 334 },
+	{ .throughput = 1 * 1024 - 1, .blink_time = 260 },
+	{ .throughput = 5 * 1024 - 1, .blink_time = 220 },
+	{ .throughput = 10 * 1024 - 1, .blink_time = 190 },
+	{ .throughput = 20 * 1024 - 1, .blink_time = 170 },
+	{ .throughput = 50 * 1024 - 1, .blink_time = 150 },
+	{ .throughput = 70 * 1024 - 1, .blink_time = 130 },
+	{ .throughput = 100 * 1024 - 1, .blink_time = 110 },
+	{ .throughput = 200 * 1024 - 1, .blink_time = 80 },
+	{ .throughput = 300 * 1024 - 1, .blink_time = 50 },
 };
 
-#define IWL_1MB_RATE (128 * 1024)
-#define IWL_LED_THRESHOLD (16)
-#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /* exclude SOLID_ON */
-#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)
-
 /*
  * Adjust led blink rate to compensate on a MAC Clock difference on every HW
  * Led blink rate analysis showed an average deviation of 0% on 3945,
@@ -97,133 +85,104 @@ static inline u8 iwl_blink_compensation(struct iwl_priv *priv,
 }
 
 /* Set led pattern command */
-static int iwl_led_pattern(struct iwl_priv *priv, unsigned int idx)
+static int iwl_led_cmd(struct iwl_priv *priv,
+		       unsigned long on,
+		       unsigned long off)
 {
 	struct iwl_led_cmd led_cmd = {
 		.id = IWL_LED_LINK,
 		.interval = IWL_DEF_LED_INTRVL
 	};
+	int ret;
 
-	BUG_ON(idx > IWL_MAX_BLINK_TBL);
+	if (!test_bit(STATUS_READY, &priv->status))
+		return -EBUSY;
 
-	IWL_DEBUG_LED(priv, "Led blink time compensation= %u\n",
+	if (priv->blink_on == on && priv->blink_off == off)
+		return 0;
+
+	IWL_DEBUG_LED(priv, "Led blink time compensation=%u\n",
 			priv->cfg->base_params->led_compensation);
-	led_cmd.on =
-		iwl_blink_compensation(priv, blink_tbl[idx].on_time,
+	led_cmd.on = iwl_blink_compensation(priv, on,
 				priv->cfg->base_params->led_compensation);
-	led_cmd.off =
-		iwl_blink_compensation(priv, blink_tbl[idx].off_time,
+	led_cmd.off = iwl_blink_compensation(priv, off,
 				priv->cfg->base_params->led_compensation);
 
-	return priv->cfg->ops->led->cmd(priv, &led_cmd);
+	ret = priv->cfg->ops->led->cmd(priv, &led_cmd);
+	if (!ret) {
+		priv->blink_on = on;
+		priv->blink_off = off;
+	}
+	return ret;
 }
 
-int iwl_led_start(struct iwl_priv *priv)
+static void iwl_led_brightness_set(struct led_classdev *led_cdev,
+				   enum led_brightness brightness)
 {
-	return priv->cfg->ops->led->on(priv);
-}
-EXPORT_SYMBOL(iwl_led_start);
+	struct iwl_priv *priv = container_of(led_cdev, struct iwl_priv, led);
+	unsigned long on = 0;
 
-int iwl_led_associate(struct iwl_priv *priv)
-{
-	IWL_DEBUG_LED(priv, "Associated\n");
-	if (priv->cfg->led_mode == IWL_LED_BLINK)
-		priv->allow_blinking = 1;
-	priv->last_blink_time = jiffies;
+	if (brightness > 0)
+		on = IWL_LED_SOLID;
 
-	return 0;
+	iwl_led_cmd(priv, on, 0);
 }
-EXPORT_SYMBOL(iwl_led_associate);
 
-int iwl_led_disassociate(struct iwl_priv *priv)
+static int iwl_led_blink_set(struct led_classdev *led_cdev,
+			     unsigned long *delay_on,
+			     unsigned long *delay_off)
 {
-	priv->allow_blinking = 0;
+	struct iwl_priv *priv = container_of(led_cdev, struct iwl_priv, led);
 
-	return 0;
+	return iwl_led_cmd(priv, *delay_on, *delay_off);
 }
-EXPORT_SYMBOL(iwl_led_disassociate);
 
-/*
- * calculate blink rate according to last second Tx/Rx activities
- */
-static int iwl_get_blink_rate(struct iwl_priv *priv)
-{
-	int i;
-	/* count both tx and rx traffic to be able to
-	 * handle traffic in either direction
-	 */
-	u64 current_tpt = priv->tx_stats.data_bytes +
-			  priv->rx_stats.data_bytes;
-	s64 tpt = current_tpt - priv->led_tpt;
-
-	if (tpt < 0) /* wraparound */
-		tpt = -tpt;
-
-	IWL_DEBUG_LED(priv, "tpt %lld current_tpt %llu\n",
-		(long long)tpt,
-		(unsigned long long)current_tpt);
-	priv->led_tpt = current_tpt;
-
-	if (!priv->allow_blinking)
-		i = IWL_MAX_BLINK_TBL;
-	else
-		for (i = 0; i < IWL_MAX_BLINK_TBL; i++)
-			if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE))
-				break;
-
-	IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", i);
-	return i;
-}
-
-/*
- * this function called from handler. Since setting Led command can
- * happen very frequent we postpone led command to be called from
- * REPLY handler so we know ucode is up
- */
-void iwl_leds_background(struct iwl_priv *priv)
+void iwl_leds_init(struct iwl_priv *priv)
 {
-	u8 blink_idx;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		priv->last_blink_time = 0;
-		return;
-	}
-	if (iwl_is_rfkill(priv)) {
-		priv->last_blink_time = 0;
-		return;
+	int mode = led_mode;
+	int ret;
+
+	if (mode == IWL_LED_DEFAULT)
+		mode = priv->cfg->led_mode;
+
+	priv->led.name = kasprintf(GFP_KERNEL, "%s-led",
+				   wiphy_name(priv->hw->wiphy));
+	priv->led.brightness_set = iwl_led_brightness_set;
+	priv->led.blink_set = iwl_led_blink_set;
+	priv->led.max_brightness = 1;
+
+	switch (mode) {
+	case IWL_LED_DEFAULT:
+		WARN_ON(1);
+		break;
+	case IWL_LED_BLINK:
+		priv->led.default_trigger =
+			ieee80211_create_tpt_led_trigger(priv->hw,
+					IEEE80211_TPT_LEDTRIG_FL_CONNECTED,
+					iwl_blink, ARRAY_SIZE(iwl_blink));
+		break;
+	case IWL_LED_RF_STATE:
+		priv->led.default_trigger =
+			ieee80211_get_radio_led_name(priv->hw);
+		break;
 	}
 
-	if (!priv->allow_blinking) {
-		priv->last_blink_time = 0;
-		if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
-			priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
-			iwl_led_pattern(priv, IWL_SOLID_BLINK_IDX);
-		}
+	ret = led_classdev_register(&priv->pci_dev->dev, &priv->led);
+	if (ret) {
+		kfree(priv->led.name);
 		return;
 	}
-	if (!priv->last_blink_time ||
-	    !time_after(jiffies, priv->last_blink_time +
-			msecs_to_jiffies(1000)))
-		return;
-
-	blink_idx = iwl_get_blink_rate(priv);
 
-	/* call only if blink rate change */
-	if (blink_idx != priv->last_blink_rate)
-		iwl_led_pattern(priv, blink_idx);
-
-	priv->last_blink_time = jiffies;
-	priv->last_blink_rate = blink_idx;
+	priv->led_registered = true;
 }
-EXPORT_SYMBOL(iwl_leds_background);
+EXPORT_SYMBOL(iwl_leds_init);
 
-void iwl_leds_init(struct iwl_priv *priv)
+void iwl_leds_exit(struct iwl_priv *priv)
 {
-	priv->last_blink_rate = 0;
-	priv->last_blink_time = 0;
-	priv->allow_blinking = 0;
-	if (led_mode != IWL_LED_DEFAULT &&
-	    led_mode != priv->cfg->led_mode)
-		priv->cfg->led_mode = led_mode;
+	if (!priv->led_registered)
+		return;
+
+	led_classdev_unregister(&priv->led);
+	kfree(priv->led.name);
 }
-EXPORT_SYMBOL(iwl_leds_init);
+EXPORT_SYMBOL(iwl_leds_exit);

drivers/net/wireless/iwlwifi/iwl-led.h

@@ -31,23 +31,14 @@
 struct iwl_priv;
 
 #define IWL_LED_SOLID 11
-#define IWL_LED_NAME_LEN 31
 #define IWL_DEF_LED_INTRVL cpu_to_le32(1000)
 
 #define IWL_LED_ACTIVITY       (0<<1)
 #define IWL_LED_LINK           (1<<1)
 
-enum led_type {
-	IWL_LED_TRG_TX,
-	IWL_LED_TRG_RX,
-	IWL_LED_TRG_ASSOC,
-	IWL_LED_TRG_RADIO,
-	IWL_LED_TRG_MAX,
-};
-
 /*
  * LED mode
- *    IWL_LED_DEFAULT:  use system default
+ *    IWL_LED_DEFAULT:  use device default
  *    IWL_LED_RF_STATE: turn LED on/off based on RF state
  *			LED ON  = RF ON
  *			LED OFF = RF OFF
@@ -60,9 +51,6 @@ enum iwl_led_mode {
 };
 
 void iwl_leds_init(struct iwl_priv *priv);
-void iwl_leds_background(struct iwl_priv *priv);
-int iwl_led_start(struct iwl_priv *priv);
-int iwl_led_associate(struct iwl_priv *priv);
-int iwl_led_disassociate(struct iwl_priv *priv);
+void iwl_leds_exit(struct iwl_priv *priv);
 
 #endif /* __iwl_leds_h__ */

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

@@ -332,7 +332,6 @@ static inline void iwl_set_no_assoc(struct iwl_priv *priv,
 {
 	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 
-	iwl_led_disassociate(priv);
 	/*
 	 * inform the ucode that there is no longer an
 	 * association and that no more packets should be
@@ -520,8 +519,6 @@ void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
 		if (bss_conf->assoc) {
 			priv->timestamp = bss_conf->timestamp;
 
-			iwl_led_associate(priv);
-
 			if (!iwl_is_rfkill(priv))
 				priv->cfg->ops->legacy->post_associate(priv);
 		} else
@@ -545,7 +542,6 @@ void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
 			memcpy(ctx->staging.bssid_addr,
 			       bss_conf->bssid, ETH_ALEN);
 			memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
-			iwl_led_associate(priv);
 			priv->cfg->ops->legacy->config_ap(priv);
 		} else
 			iwl_set_no_assoc(priv, vif);

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -2540,8 +2540,6 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 
 	iwl3945_reg_txpower_periodic(priv);
 
-	iwl_leds_init(priv);
-
 	IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
 	set_bit(STATUS_READY, &priv->status);
 	wake_up_interruptible(&priv->wait_command_queue);
@@ -3170,8 +3168,6 @@ static int iwl3945_mac_start(struct ieee80211_hw *hw)
 	 * no need to poll the killswitch state anymore */
 	cancel_delayed_work(&priv->_3945.rfkill_poll);
 
-	iwl_led_start(priv);
-
 	priv->is_open = 1;
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 	return 0;
@@ -3935,6 +3931,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 		priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
 			&priv->bands[IEEE80211_BAND_5GHZ];
 
+	iwl_leds_init(priv);
+
 	ret = ieee80211_register_hw(priv->hw);
 	if (ret) {
 		IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
@@ -4194,6 +4192,8 @@ static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
 
 	set_bit(STATUS_EXIT_PENDING, &priv->status);
 
+	iwl_leds_exit(priv);
+
 	if (priv->mac80211_registered) {
 		ieee80211_unregister_hw(priv->hw);
 		priv->mac80211_registered = 0;

drivers/net/wireless/iwmc3200wifi/cfg80211.c

@@ -287,7 +287,8 @@ int iwm_cfg80211_inform_bss(struct iwm_priv *iwm)
 			return -EINVAL;
 		}
 
-		freq = ieee80211_channel_to_frequency(umac_bss->channel);
+		freq = ieee80211_channel_to_frequency(umac_bss->channel,
+						      band->band);
 		channel = ieee80211_get_channel(wiphy, freq);
 		signal = umac_bss->rssi * 100;
 

drivers/net/wireless/iwmc3200wifi/rx.c

@@ -543,7 +543,10 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 	switch (le32_to_cpu(complete->status)) {
 	case UMAC_ASSOC_COMPLETE_SUCCESS:
 		chan = ieee80211_get_channel(wiphy,
-			ieee80211_channel_to_frequency(complete->channel));
+			ieee80211_channel_to_frequency(complete->channel,
+				complete->band == UMAC_BAND_2GHZ ?
+					IEEE80211_BAND_2GHZ :
+					IEEE80211_BAND_5GHZ));
 		if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
 			/* Associated to a unallowed channel, disassociate. */
 			__iwm_invalidate_mlme_profile(iwm);
@@ -841,7 +844,7 @@ static int iwm_mlme_update_bss_table(struct iwm_priv *iwm, u8 *buf,
 		goto err;
 	}
 
-	freq = ieee80211_channel_to_frequency(umac_bss->channel);
+	freq = ieee80211_channel_to_frequency(umac_bss->channel, band->band);
 	channel = ieee80211_get_channel(wiphy, freq);
 	signal = umac_bss->rssi * 100;
 

drivers/net/wireless/libertas/cfg.c

@@ -607,7 +607,8 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
 		/* No channel, no luck */
 		if (chan_no != -1) {
 			struct wiphy *wiphy = priv->wdev->wiphy;
-			int freq = ieee80211_channel_to_frequency(chan_no);
+			int freq = ieee80211_channel_to_frequency(chan_no,
+							IEEE80211_BAND_2GHZ);
 			struct ieee80211_channel *channel =
 				ieee80211_get_channel(wiphy, freq);
 
@@ -1597,7 +1598,8 @@ static int lbs_get_survey(struct wiphy *wiphy, struct net_device *dev,
 	lbs_deb_enter(LBS_DEB_CFG80211);
 
 	survey->channel = ieee80211_get_channel(wiphy,
-		ieee80211_channel_to_frequency(priv->channel));
+		ieee80211_channel_to_frequency(priv->channel,
+					       IEEE80211_BAND_2GHZ));
 
 	ret = lbs_get_rssi(priv, &signal, &noise);
 	if (ret == 0) {

drivers/net/wireless/mac80211_hwsim.c

@@ -943,7 +943,8 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
 static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
 				       struct ieee80211_vif *vif,
 				       enum ieee80211_ampdu_mlme_action action,
-				       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+				       struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+				       u8 buf_size)
 {
 	switch (action) {
 	case IEEE80211_AMPDU_TX_START:

drivers/net/wireless/mwl8k.c

@@ -232,6 +232,9 @@ struct mwl8k_priv {
 	struct completion firmware_loading_complete;
 };
 
+#define MAX_WEP_KEY_LEN         13
+#define NUM_WEP_KEYS            4
+
 /* Per interface specific private data */
 struct mwl8k_vif {
 	struct list_head list;
@@ -242,8 +245,21 @@ struct mwl8k_vif {
 
 	/* Non AMPDU sequence number assigned by driver.  */
 	u16 seqno;
+
+	/* Saved WEP keys */
+	struct {
+		u8 enabled;
+		u8 key[sizeof(struct ieee80211_key_conf) + MAX_WEP_KEY_LEN];
+	} wep_key_conf[NUM_WEP_KEYS];
+
+	/* BSSID */
+	u8 bssid[ETH_ALEN];
+
+	/* A flag to indicate is HW crypto is enabled for this bssid */
+	bool is_hw_crypto_enabled;
 };
 #define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv))
+#define IEEE80211_KEY_CONF(_u8) ((struct ieee80211_key_conf *)(_u8))
 
 struct mwl8k_sta {
 	/* Index into station database. Returned by UPDATE_STADB.  */
@@ -337,6 +353,7 @@ static const struct ieee80211_rate mwl8k_rates_50[] = {
 #define MWL8K_CMD_SET_RATEADAPT_MODE	0x0203
 #define MWL8K_CMD_BSS_START		0x1100		/* per-vif */
 #define MWL8K_CMD_SET_NEW_STN		0x1111		/* per-vif */
+#define MWL8K_CMD_UPDATE_ENCRYPTION	0x1122		/* per-vif */
 #define MWL8K_CMD_UPDATE_STADB		0x1123
 
 static const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize)
@@ -375,6 +392,7 @@ static const char *mwl8k_cmd_name(__le16 cmd, char *buf, int bufsize)
 		MWL8K_CMDNAME(SET_RATEADAPT_MODE);
 		MWL8K_CMDNAME(BSS_START);
 		MWL8K_CMDNAME(SET_NEW_STN);
+		MWL8K_CMDNAME(UPDATE_ENCRYPTION);
 		MWL8K_CMDNAME(UPDATE_STADB);
 	default:
 		snprintf(buf, bufsize, "0x%x", cmd);
@@ -715,10 +733,12 @@ static inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos)
 		skb_pull(skb, sizeof(*tr) - hdrlen);
 }
 
-static inline void mwl8k_add_dma_header(struct sk_buff *skb)
+static void
+mwl8k_add_dma_header(struct sk_buff *skb, int tail_pad)
 {
 	struct ieee80211_hdr *wh;
 	int hdrlen;
+	int reqd_hdrlen;
 	struct mwl8k_dma_data *tr;
 
 	/*
@@ -730,11 +750,13 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
 	wh = (struct ieee80211_hdr *)skb->data;
 
 	hdrlen = ieee80211_hdrlen(wh->frame_control);
-	if (hdrlen != sizeof(*tr))
-		skb_push(skb, sizeof(*tr) - hdrlen);
+	reqd_hdrlen = sizeof(*tr);
+
+	if (hdrlen != reqd_hdrlen)
+		skb_push(skb, reqd_hdrlen - hdrlen);
 
 	if (ieee80211_is_data_qos(wh->frame_control))
-		hdrlen -= 2;
+		hdrlen -= IEEE80211_QOS_CTL_LEN;
 
 	tr = (struct mwl8k_dma_data *)skb->data;
 	if (wh != &tr->wh)
@@ -747,9 +769,52 @@ static inline void mwl8k_add_dma_header(struct sk_buff *skb)
 	 * payload".  That is, everything except for the 802.11 header.
 	 * This includes all crypto material including the MIC.
 	 */
-	tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr));
+	tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr) + tail_pad);
 }
 
+static void mwl8k_encapsulate_tx_frame(struct sk_buff *skb)
+{
+	struct ieee80211_hdr *wh;
+	struct ieee80211_tx_info *tx_info;
+	struct ieee80211_key_conf *key_conf;
+	int data_pad;
+
+	wh = (struct ieee80211_hdr *)skb->data;
+
+	tx_info = IEEE80211_SKB_CB(skb);
+
+	key_conf = NULL;
+	if (ieee80211_is_data(wh->frame_control))
+		key_conf = tx_info->control.hw_key;
+
+	/*
+	 * Make sure the packet header is in the DMA header format (4-address
+	 * without QoS), the necessary crypto padding between the header and the
+	 * payload has already been provided by mac80211, but it doesn't add tail
+	 * padding when HW crypto is enabled.
+	 *
+	 * We have the following trailer padding requirements:
+	 * - WEP: 4 trailer bytes (ICV)
+	 * - TKIP: 12 trailer bytes (8 MIC + 4 ICV)
+	 * - CCMP: 8 trailer bytes (MIC)
+	 */
+	data_pad = 0;
+	if (key_conf != NULL) {
+		switch (key_conf->cipher) {
+		case WLAN_CIPHER_SUITE_WEP40:
+		case WLAN_CIPHER_SUITE_WEP104:
+			data_pad = 4;
+			break;
+		case WLAN_CIPHER_SUITE_TKIP:
+			data_pad = 12;
+			break;
+		case WLAN_CIPHER_SUITE_CCMP:
+			data_pad = 8;
+			break;
+		}
+	}
+	mwl8k_add_dma_header(skb, data_pad);
+}
 
 /*
  * Packet reception for 88w8366 AP firmware.
@@ -778,6 +843,13 @@ struct mwl8k_rxd_8366_ap {
 
 #define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST	0x80
 
+/* 8366 AP rx_status bits */
+#define MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK		0x80
+#define MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR	0xFF
+#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR	0x02
+#define MWL8K_8366_AP_RXSTAT_WEP_DECRYPT_ICV_ERR	0x04
+#define MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_ICV_ERR	0x08
+
 static void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr)
 {
 	struct mwl8k_rxd_8366_ap *rxd = _rxd;
@@ -834,10 +906,16 @@ mwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status,
 	} else {
 		status->band = IEEE80211_BAND_2GHZ;
 	}
-	status->freq = ieee80211_channel_to_frequency(rxd->channel);
+	status->freq = ieee80211_channel_to_frequency(rxd->channel,
+						      status->band);
 
 	*qos = rxd->qos_control;
 
+	if ((rxd->rx_status != MWL8K_8366_AP_RXSTAT_GENERAL_DECRYPT_ERR) &&
+	    (rxd->rx_status & MWL8K_8366_AP_RXSTAT_DECRYPT_ERR_MASK) &&
+	    (rxd->rx_status & MWL8K_8366_AP_RXSTAT_TKIP_DECRYPT_MIC_ERR))
+		status->flag |= RX_FLAG_MMIC_ERROR;
+
 	return le16_to_cpu(rxd->pkt_len);
 }
 
@@ -876,6 +954,11 @@ struct mwl8k_rxd_sta {
 #define MWL8K_STA_RATE_INFO_MCS_FORMAT		0x0001
 
 #define MWL8K_STA_RX_CTRL_OWNED_BY_HOST		0x02
+#define MWL8K_STA_RX_CTRL_DECRYPT_ERROR		0x04
+/* ICV=0 or MIC=1 */
+#define MWL8K_STA_RX_CTRL_DEC_ERR_TYPE		0x08
+/* Key is uploaded only in failure case */
+#define MWL8K_STA_RX_CTRL_KEY_INDEX			0x30
 
 static void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr)
 {
@@ -931,9 +1014,13 @@ mwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status,
 	} else {
 		status->band = IEEE80211_BAND_2GHZ;
 	}
-	status->freq = ieee80211_channel_to_frequency(rxd->channel);
+	status->freq = ieee80211_channel_to_frequency(rxd->channel,
+						      status->band);
 
 	*qos = rxd->qos_control;
+	if ((rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DECRYPT_ERROR) &&
+	    (rxd->rx_ctrl & MWL8K_STA_RX_CTRL_DEC_ERR_TYPE))
+		status->flag |= RX_FLAG_MMIC_ERROR;
 
 	return le16_to_cpu(rxd->pkt_len);
 }
@@ -1092,9 +1179,25 @@ static inline void mwl8k_save_beacon(struct ieee80211_hw *hw,
 		ieee80211_queue_work(hw, &priv->finalize_join_worker);
 }
 
+static inline struct mwl8k_vif *mwl8k_find_vif_bss(struct list_head *vif_list,
+						   u8 *bssid)
+{
+	struct mwl8k_vif *mwl8k_vif;
+
+	list_for_each_entry(mwl8k_vif,
+			    vif_list, list) {
+		if (memcmp(bssid, mwl8k_vif->bssid,
+			   ETH_ALEN) == 0)
+			return mwl8k_vif;
+	}
+
+	return NULL;
+}
+
 static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 {
 	struct mwl8k_priv *priv = hw->priv;
+	struct mwl8k_vif *mwl8k_vif = NULL;
 	struct mwl8k_rx_queue *rxq = priv->rxq + index;
 	int processed;
 
@@ -1104,6 +1207,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		void *rxd;
 		int pkt_len;
 		struct ieee80211_rx_status status;
+		struct ieee80211_hdr *wh;
 		__le16 qos;
 
 		skb = rxq->buf[rxq->head].skb;
@@ -1130,8 +1234,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 
 		rxq->rxd_count--;
 
-		skb_put(skb, pkt_len);
-		mwl8k_remove_dma_header(skb, qos);
+		wh = &((struct mwl8k_dma_data *)skb->data)->wh;
 
 		/*
 		 * Check for a pending join operation.  Save a
@@ -1141,6 +1244,46 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit)
 		if (mwl8k_capture_bssid(priv, (void *)skb->data))
 			mwl8k_save_beacon(hw, skb);
 
+		if (ieee80211_has_protected(wh->frame_control)) {
+
+			/* Check if hw crypto has been enabled for
+			 * this bss. If yes, set the status flags
+			 * accordingly
+			 */
+			mwl8k_vif = mwl8k_find_vif_bss(&priv->vif_list,
+								wh->addr1);
+
+			if (mwl8k_vif != NULL &&
+			    mwl8k_vif->is_hw_crypto_enabled == true) {
+				/*
+				 * When MMIC ERROR is encountered
+				 * by the firmware, payload is
+				 * dropped and only 32 bytes of
+				 * mwl8k Firmware header is sent
+				 * to the host.
+				 *
+				 * We need to add four bytes of
+				 * key information.  In it
+				 * MAC80211 expects keyidx set to
+				 * 0 for triggering Counter
+				 * Measure of MMIC failure.
+				 */
+				if (status.flag & RX_FLAG_MMIC_ERROR) {
+					struct mwl8k_dma_data *tr;
+					tr = (struct mwl8k_dma_data *)skb->data;
+					memset((void *)&(tr->data), 0, 4);
+					pkt_len += 4;
+				}
+
+				if (!ieee80211_is_auth(wh->frame_control))
+					status.flag |= RX_FLAG_IV_STRIPPED |
+						       RX_FLAG_DECRYPTED |
+						       RX_FLAG_MMIC_STRIPPED;
+			}
+		}
+
+		skb_put(skb, pkt_len);
+		mwl8k_remove_dma_header(skb, qos);
 		memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
 		ieee80211_rx_irqsafe(hw, skb);
 
@@ -1443,7 +1586,11 @@ mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
 	else
 		qos = 0;
 
-	mwl8k_add_dma_header(skb);
+	if (priv->ap_fw)
+		mwl8k_encapsulate_tx_frame(skb);
+	else
+		mwl8k_add_dma_header(skb, 0);
+
 	wh = &((struct mwl8k_dma_data *)skb->data)->wh;
 
 	tx_info = IEEE80211_SKB_CB(skb);
@@ -3098,6 +3245,274 @@ static int mwl8k_cmd_set_new_stn_del(struct ieee80211_hw *hw,
 	return rc;
 }
 
+/*
+ * CMD_UPDATE_ENCRYPTION.
+ */
+
+#define MAX_ENCR_KEY_LENGTH	16
+#define MIC_KEY_LENGTH		8
+
+struct mwl8k_cmd_update_encryption {
+	struct mwl8k_cmd_pkt header;
+
+	__le32 action;
+	__le32 reserved;
+	__u8 mac_addr[6];
+	__u8 encr_type;
+
+} __attribute__((packed));
+
+struct mwl8k_cmd_set_key {
+	struct mwl8k_cmd_pkt header;
+
+	__le32 action;
+	__le32 reserved;
+	__le16 length;
+	__le16 key_type_id;
+	__le32 key_info;
+	__le32 key_id;
+	__le16 key_len;
+	__u8 key_material[MAX_ENCR_KEY_LENGTH];
+	__u8 tkip_tx_mic_key[MIC_KEY_LENGTH];
+	__u8 tkip_rx_mic_key[MIC_KEY_LENGTH];
+	__le16 tkip_rsc_low;
+	__le32 tkip_rsc_high;
+	__le16 tkip_tsc_low;
+	__le32 tkip_tsc_high;
+	__u8 mac_addr[6];
+} __attribute__((packed));
+
+enum {
+	MWL8K_ENCR_ENABLE,
+	MWL8K_ENCR_SET_KEY,
+	MWL8K_ENCR_REMOVE_KEY,
+	MWL8K_ENCR_SET_GROUP_KEY,
+};
+
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_WEP	0
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_DISABLE	1
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_TKIP	4
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED	7
+#define MWL8K_UPDATE_ENCRYPTION_TYPE_AES	8
+
+enum {
+	MWL8K_ALG_WEP,
+	MWL8K_ALG_TKIP,
+	MWL8K_ALG_CCMP,
+};
+
+#define MWL8K_KEY_FLAG_TXGROUPKEY	0x00000004
+#define MWL8K_KEY_FLAG_PAIRWISE		0x00000008
+#define MWL8K_KEY_FLAG_TSC_VALID	0x00000040
+#define MWL8K_KEY_FLAG_WEP_TXKEY	0x01000000
+#define MWL8K_KEY_FLAG_MICKEY_VALID	0x02000000
+
+static int mwl8k_cmd_update_encryption_enable(struct ieee80211_hw *hw,
+					      struct ieee80211_vif *vif,
+					      u8 *addr,
+					      u8 encr_type)
+{
+	struct mwl8k_cmd_update_encryption *cmd;
+	int rc;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+	cmd->action = cpu_to_le32(MWL8K_ENCR_ENABLE);
+	memcpy(cmd->mac_addr, addr, ETH_ALEN);
+	cmd->encr_type = encr_type;
+
+	rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+	kfree(cmd);
+
+	return rc;
+}
+
+static int mwl8k_encryption_set_cmd_info(struct mwl8k_cmd_set_key *cmd,
+						u8 *addr,
+						struct ieee80211_key_conf *key)
+{
+	cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_ENCRYPTION);
+	cmd->header.length = cpu_to_le16(sizeof(*cmd));
+	cmd->length = cpu_to_le16(sizeof(*cmd) -
+				offsetof(struct mwl8k_cmd_set_key, length));
+	cmd->key_id = cpu_to_le32(key->keyidx);
+	cmd->key_len = cpu_to_le16(key->keylen);
+	memcpy(cmd->mac_addr, addr, ETH_ALEN);
+
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+		cmd->key_type_id = cpu_to_le16(MWL8K_ALG_WEP);
+		if (key->keyidx == 0)
+			cmd->key_info =	cpu_to_le32(MWL8K_KEY_FLAG_WEP_TXKEY);
+
+		break;
+	case WLAN_CIPHER_SUITE_TKIP:
+		cmd->key_type_id = cpu_to_le16(MWL8K_ALG_TKIP);
+		cmd->key_info =	(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+			? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE)
+			: cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY);
+		cmd->key_info |= cpu_to_le32(MWL8K_KEY_FLAG_MICKEY_VALID
+						| MWL8K_KEY_FLAG_TSC_VALID);
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		cmd->key_type_id = cpu_to_le16(MWL8K_ALG_CCMP);
+		cmd->key_info =	(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+			? cpu_to_le32(MWL8K_KEY_FLAG_PAIRWISE)
+			: cpu_to_le32(MWL8K_KEY_FLAG_TXGROUPKEY);
+		break;
+	default:
+		return -ENOTSUPP;
+	}
+
+	return 0;
+}
+
+static int mwl8k_cmd_encryption_set_key(struct ieee80211_hw *hw,
+						struct ieee80211_vif *vif,
+						u8 *addr,
+						struct ieee80211_key_conf *key)
+{
+	struct mwl8k_cmd_set_key *cmd;
+	int rc;
+	int keymlen;
+	u32 action;
+	u8 idx;
+	struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	rc = mwl8k_encryption_set_cmd_info(cmd, addr, key);
+	if (rc < 0)
+		goto done;
+
+	idx = key->keyidx;
+
+	if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+		action = MWL8K_ENCR_SET_KEY;
+	else
+		action = MWL8K_ENCR_SET_GROUP_KEY;
+
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+		if (!mwl8k_vif->wep_key_conf[idx].enabled) {
+			memcpy(mwl8k_vif->wep_key_conf[idx].key, key,
+						sizeof(*key) + key->keylen);
+			mwl8k_vif->wep_key_conf[idx].enabled = 1;
+		}
+
+		keymlen = 0;
+		action = MWL8K_ENCR_SET_KEY;
+		break;
+	case WLAN_CIPHER_SUITE_TKIP:
+		keymlen = MAX_ENCR_KEY_LENGTH + 2 * MIC_KEY_LENGTH;
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		keymlen = key->keylen;
+		break;
+	default:
+		rc = -ENOTSUPP;
+		goto done;
+	}
+
+	memcpy(cmd->key_material, key->key, keymlen);
+	cmd->action = cpu_to_le32(action);
+
+	rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+done:
+	kfree(cmd);
+
+	return rc;
+}
+
+static int mwl8k_cmd_encryption_remove_key(struct ieee80211_hw *hw,
+						struct ieee80211_vif *vif,
+						u8 *addr,
+						struct ieee80211_key_conf *key)
+{
+	struct mwl8k_cmd_set_key *cmd;
+	int rc;
+	struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+
+	rc = mwl8k_encryption_set_cmd_info(cmd, addr, key);
+	if (rc < 0)
+		goto done;
+
+	if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
+			WLAN_CIPHER_SUITE_WEP104)
+		mwl8k_vif->wep_key_conf[key->keyidx].enabled = 0;
+
+	cmd->action = cpu_to_le32(MWL8K_ENCR_REMOVE_KEY);
+
+	rc = mwl8k_post_pervif_cmd(hw, vif, &cmd->header);
+done:
+	kfree(cmd);
+
+	return rc;
+}
+
+static int mwl8k_set_key(struct ieee80211_hw *hw,
+			 enum set_key_cmd cmd_param,
+			 struct ieee80211_vif *vif,
+			 struct ieee80211_sta *sta,
+			 struct ieee80211_key_conf *key)
+{
+	int rc = 0;
+	u8 encr_type;
+	u8 *addr;
+	struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+
+	if (vif->type == NL80211_IFTYPE_STATION)
+		return -EOPNOTSUPP;
+
+	if (sta == NULL)
+		addr = hw->wiphy->perm_addr;
+	else
+		addr = sta->addr;
+
+	if (cmd_param == SET_KEY) {
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+		rc = mwl8k_cmd_encryption_set_key(hw, vif, addr, key);
+		if (rc)
+			goto out;
+
+		if ((key->cipher == WLAN_CIPHER_SUITE_WEP40)
+				|| (key->cipher == WLAN_CIPHER_SUITE_WEP104))
+			encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_WEP;
+		else
+			encr_type = MWL8K_UPDATE_ENCRYPTION_TYPE_MIXED;
+
+		rc = mwl8k_cmd_update_encryption_enable(hw, vif, addr,
+								encr_type);
+		if (rc)
+			goto out;
+
+		mwl8k_vif->is_hw_crypto_enabled = true;
+
+	} else {
+		rc = mwl8k_cmd_encryption_remove_key(hw, vif, addr, key);
+
+		if (rc)
+			goto out;
+
+		mwl8k_vif->is_hw_crypto_enabled = false;
+
+	}
+out:
+	return rc;
+}
+
 /*
  * CMD_UPDATE_STADB.
  */
@@ -3469,6 +3884,8 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
 	mwl8k_vif->vif = vif;
 	mwl8k_vif->macid = macid;
 	mwl8k_vif->seqno = 0;
+	memcpy(mwl8k_vif->bssid, vif->addr, ETH_ALEN);
+	mwl8k_vif->is_hw_crypto_enabled = false;
 
 	/* Set the mac address.  */
 	mwl8k_cmd_set_mac_addr(hw, vif, vif->addr);
@@ -3866,18 +4283,27 @@ static int mwl8k_sta_add(struct ieee80211_hw *hw,
 {
 	struct mwl8k_priv *priv = hw->priv;
 	int ret;
+	int i;
+	struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+	struct ieee80211_key_conf *key;
 
 	if (!priv->ap_fw) {
 		ret = mwl8k_cmd_update_stadb_add(hw, vif, sta);
 		if (ret >= 0) {
 			MWL8K_STA(sta)->peer_id = ret;
-			return 0;
+			ret = 0;
 		}
 
-		return ret;
+	} else {
+		ret = mwl8k_cmd_set_new_stn_add(hw, vif, sta);
 	}
 
-	return mwl8k_cmd_set_new_stn_add(hw, vif, sta);
+	for (i = 0; i < NUM_WEP_KEYS; i++) {
+		key = IEEE80211_KEY_CONF(mwl8k_vif->wep_key_conf[i].key);
+		if (mwl8k_vif->wep_key_conf[i].enabled)
+			mwl8k_set_key(hw, SET_KEY, vif, sta, key);
+	}
+	return ret;
 }
 
 static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
@@ -3932,7 +4358,8 @@ static int mwl8k_get_survey(struct ieee80211_hw *hw, int idx,
 static int
 mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		   enum ieee80211_ampdu_mlme_action action,
-		   struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+		   struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+		   u8 buf_size)
 {
 	switch (action) {
 	case IEEE80211_AMPDU_RX_START:
@@ -3955,6 +4382,7 @@ static const struct ieee80211_ops mwl8k_ops = {
 	.bss_info_changed	= mwl8k_bss_info_changed,
 	.prepare_multicast	= mwl8k_prepare_multicast,
 	.configure_filter	= mwl8k_configure_filter,
+	.set_key                = mwl8k_set_key,
 	.set_rts_threshold	= mwl8k_set_rts_threshold,
 	.sta_add		= mwl8k_sta_add,
 	.sta_remove		= mwl8k_sta_remove,

drivers/net/wireless/rt2x00/rt2800.h

@@ -1804,6 +1804,12 @@ struct mac_iveiv_entry {
  */
 #define RFCSR30_RF_CALIBRATION		FIELD8(0x80)
 
+/*
+ * RFCSR 31:
+ */
+#define RFCSR31_RX_AGC_FC		FIELD8(0x1f)
+#define RFCSR31_RX_H20M			FIELD8(0x20)
+
 /*
  * RF registers
  */

drivers/net/wireless/rt2x00/rt2800lib.c

@@ -2436,6 +2436,10 @@ static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
 	rt2800_bbp_write(rt2x00dev, 4, bbp);
 
+	rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
+	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
+
 	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
@@ -2510,7 +2514,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 		rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
 		rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
 		rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
-		rt2800_rfcsr_write(rt2x00dev, 7, 0x70);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
 		rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
 		rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
 		rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
@@ -2602,12 +2606,12 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
 		   rt2x00_rt(rt2x00dev, RT3090)) {
+		rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
+
 		rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
 		rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
 		rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
 
-		rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
-
 		rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
 		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
@@ -2619,6 +2623,10 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 				rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
 		}
 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
+
+		rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
+		rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
+		rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
 	} else if (rt2x00_rt(rt2x00dev, RT3390)) {
 		rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
 		rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
@@ -2670,10 +2678,11 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 
 	rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
 	rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
-	if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
+	if (rt2x00_rt(rt2x00dev, RT3070) ||
+	    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
 	    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
 	    rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
-		if (test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
+		if (!test_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags))
 			rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
 	}
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
@@ -2686,6 +2695,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	if (rt2x00_rt(rt2x00dev, RT3090)) {
 		rt2800_bbp_read(rt2x00dev, 138, &bbp);
 
+		/*  Turn off unused DAC1 and ADC1 to reduce power consumption */
 		rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
 		if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
 			rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
@@ -2719,10 +2729,9 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 		rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
 	}
 
-	if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071)) {
+	if (rt2x00_rt(rt2x00dev, RT3070)) {
 		rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
-		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
-		    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E))
+		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
 		else
 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
@@ -2810,10 +2819,7 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
 
 	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
 	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
 
 	/* Wait for DMA, ignore error */
@@ -2823,9 +2829,6 @@ void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
 }
 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
 
@@ -3530,7 +3533,8 @@ EXPORT_SYMBOL_GPL(rt2800_get_tsf);
 
 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			enum ieee80211_ampdu_mlme_action action,
-			struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+			struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			u8 buf_size)
 {
 	int ret = 0;
 

drivers/net/wireless/rt2x00/rt2800lib.h

@@ -198,7 +198,8 @@ int rt2800_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 u64 rt2800_get_tsf(struct ieee80211_hw *hw);
 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			enum ieee80211_ampdu_mlme_action action,
-			struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+			struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			u8 buf_size);
 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
 		      struct survey_info *survey);
 

drivers/net/wireless/rt2x00/rt2800pci.c

@@ -475,39 +475,23 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 
 static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2800_disable_radio(rt2x00dev);
-
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
-
-	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
-
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+	if (rt2x00_is_soc(rt2x00dev)) {
+		rt2800_disable_radio(rt2x00dev);
+		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+		rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
+	}
 }
 
 static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
 			       enum dev_state state)
 {
-	/*
-	 * Always put the device to sleep (even when we intend to wakeup!)
-	 * if the device is booting and wasn't asleep it will return
-	 * failure when attempting to wakeup.
-	 */
-	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
-
 	if (state == STATE_AWAKE) {
-		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
+		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02);
 		rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
+	} else if (state == STATE_SLEEP) {
+		rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, 0xffffffff);
+		rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, 0xffffffff);
+		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01);
 	}
 
 	return 0;

drivers/net/wireless/rt2x00/rt2x00dev.c

@@ -649,7 +649,10 @@ static void rt2x00lib_channel(struct ieee80211_channel *entry,
 			      const int channel, const int tx_power,
 			      const int value)
 {
-	entry->center_freq = ieee80211_channel_to_frequency(channel);
+	/* XXX: this assumption about the band is wrong for 802.11j */
+	entry->band = channel <= 14 ? IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+	entry->center_freq = ieee80211_channel_to_frequency(channel,
+							    entry->band);
 	entry->hw_value = value;
 	entry->max_power = tx_power;
 	entry->max_antenna_gain = 0xff;

drivers/net/wireless/rtlwifi/core.c

@@ -748,7 +748,8 @@ static void rtl_op_sta_notify(struct ieee80211_hw *hw,
 static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif,
 			       enum ieee80211_ampdu_mlme_action action,
-			       struct ieee80211_sta *sta, u16 tid, u16 * ssn)
+			       struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			       u8 buf_size)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 

drivers/net/wireless/wl1251/rx.c

@@ -78,7 +78,8 @@ static void wl1251_rx_status(struct wl1251 *wl,
 	 */
 	wl->noise = desc->rssi - desc->snr / 2;
 
-	status->freq = ieee80211_channel_to_frequency(desc->channel);
+	status->freq = ieee80211_channel_to_frequency(desc->channel,
+						      status->band);
 
 	status->flag |= RX_FLAG_TSFT;
 

drivers/net/wireless/wl12xx/rx.c

@@ -76,7 +76,7 @@ static void wl1271_rx_status(struct wl1271 *wl,
 	 */
 	wl->noise = desc->rssi - (desc->snr >> 1);
 
-	status->freq = ieee80211_channel_to_frequency(desc->channel);
+	status->freq = ieee80211_channel_to_frequency(desc->channel, desc_band);
 
 	if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
 		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;

include/net/cfg80211.h

@@ -1790,8 +1790,9 @@ static inline void *wdev_priv(struct wireless_dev *wdev)
 /**
  * ieee80211_channel_to_frequency - convert channel number to frequency
  * @chan: channel number
+ * @band: band, necessary due to channel number overlap
  */
-extern int ieee80211_channel_to_frequency(int chan);
+extern int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band);
 
 /**
  * ieee80211_frequency_to_channel - convert frequency to channel number

include/net/mac80211.h

@@ -1147,6 +1147,17 @@ enum ieee80211_hw_flags {
  * @napi_weight: weight used for NAPI polling.  You must specify an
  *	appropriate value here if a napi_poll operation is provided
  *	by your driver.
+
+ * @max_rx_aggregation_subframes: maximum buffer size (number of
+ *	sub-frames) to be used for A-MPDU block ack receiver
+ *	aggregation.
+ *	This is only relevant if the device has restrictions on the
+ *	number of subframes, if it relies on mac80211 to do reordering
+ *	it shouldn't be set.
+ *
+ * @max_tx_aggregation_subframes: maximum number of subframes in an
+ *	aggregate an HT driver will transmit, used by the peer as a
+ *	hint to size its reorder buffer.
  */
 struct ieee80211_hw {
 	struct ieee80211_conf conf;
@@ -1165,6 +1176,8 @@ struct ieee80211_hw {
 	u8 max_rates;
 	u8 max_report_rates;
 	u8 max_rate_tries;
+	u8 max_rx_aggregation_subframes;
+	u8 max_tx_aggregation_subframes;
 };
 
 /**
@@ -1723,6 +1736,10 @@ enum ieee80211_ampdu_mlme_action {
  * 	ieee80211_ampdu_mlme_action. Starting sequence number (@ssn)
  * 	is the first frame we expect to perform the action on. Notice
  * 	that TX/RX_STOP can pass NULL for this parameter.
+ *	The @buf_size parameter is only valid when the action is set to
+ *	%IEEE80211_AMPDU_TX_OPERATIONAL and indicates the peer's reorder
+ *	buffer size (number of subframes) for this session -- aggregates
+ *	containing more subframes than this may not be transmitted to the peer.
  *	Returns a negative error code on failure.
  *	The callback can sleep.
  *
@@ -1825,7 +1842,8 @@ struct ieee80211_ops {
 	int (*ampdu_action)(struct ieee80211_hw *hw,
 			    struct ieee80211_vif *vif,
 			    enum ieee80211_ampdu_mlme_action action,
-			    struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+			    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
+			    u8 buf_size);
 	int (*get_survey)(struct ieee80211_hw *hw, int idx,
 		struct survey_info *survey);
 	void (*rfkill_poll)(struct ieee80211_hw *hw);

net/mac80211/agg-rx.c

@@ -76,7 +76,7 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
 	if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP,
-			     &sta->sta, tid, NULL))
+			     &sta->sta, tid, NULL, 0))
 		printk(KERN_DEBUG "HW problem - can not stop rx "
 				"aggregation for tid %d\n", tid);
 
@@ -232,6 +232,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	if (buf_size == 0)
 		buf_size = IEEE80211_MAX_AMPDU_BUF;
 
+	/* make sure the size doesn't exceed the maximum supported by the hw */
+	if (buf_size > local->hw.max_rx_aggregation_subframes)
+		buf_size = local->hw.max_rx_aggregation_subframes;
 
 	/* examine state machine */
 	mutex_lock(&sta->ampdu_mlme.mtx);
@@ -287,7 +290,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	}
 
 	ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START,
-			       &sta->sta, tid, &start_seq_num);
+			       &sta->sta, tid, &start_seq_num, 0);
 #ifdef CONFIG_MAC80211_HT_DEBUG
 	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
 #endif /* CONFIG_MAC80211_HT_DEBUG */

net/mac80211/agg-tx.c

@@ -190,7 +190,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 
 	ret = drv_ampdu_action(local, sta->sdata,
 			       IEEE80211_AMPDU_TX_STOP,
-			       &sta->sta, tid, NULL);
+			       &sta->sta, tid, NULL, 0);
 
 	/* HW shall not deny going back to legacy */
 	if (WARN_ON(ret)) {
@@ -311,7 +311,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 	start_seq_num = sta->tid_seq[tid] >> 4;
 
 	ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START,
-			       &sta->sta, tid, &start_seq_num);
+			       &sta->sta, tid, &start_seq_num, 0);
 	if (ret) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		printk(KERN_DEBUG "BA request denied - HW unavailable for"
@@ -342,7 +342,8 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
 	/* send AddBA request */
 	ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
 				     tid_tx->dialog_token, start_seq_num,
-				     0x40, tid_tx->timeout);
+				     local->hw.max_tx_aggregation_subframes,
+				     tid_tx->timeout);
 }
 
 int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
@@ -487,7 +488,8 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
 
 	drv_ampdu_action(local, sta->sdata,
 			 IEEE80211_AMPDU_TX_OPERATIONAL,
-			 &sta->sta, tid, NULL);
+			 &sta->sta, tid, NULL,
+			 sta->ampdu_mlme.tid_tx[tid]->buf_size);
 
 	/*
 	 * synchronize with TX path, while splicing the TX path
@@ -742,9 +744,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
 {
 	struct tid_ampdu_tx *tid_tx;
 	u16 capab, tid;
+	u8 buf_size;
 
 	capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
 	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
 
 	mutex_lock(&sta->ampdu_mlme.mtx);
 
@@ -767,12 +771,23 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
 
 	if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
 			== WLAN_STATUS_SUCCESS) {
+		/*
+		 * IEEE 802.11-2007 7.3.1.14:
+		 * In an ADDBA Response frame, when the Status Code field
+		 * is set to 0, the Buffer Size subfield is set to a value
+		 * of at least 1.
+		 */
+		if (!buf_size)
+			goto out;
+
 		if (test_and_set_bit(HT_AGG_STATE_RESPONSE_RECEIVED,
 				     &tid_tx->state)) {
 			/* ignore duplicate response */
 			goto out;
 		}
 
+		tid_tx->buf_size = buf_size;
+
 		if (test_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))
 			ieee80211_agg_tx_operational(local, sta, tid);
 

net/mac80211/driver-ops.h

@@ -382,17 +382,17 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
 				   struct ieee80211_sub_if_data *sdata,
 				   enum ieee80211_ampdu_mlme_action action,
 				   struct ieee80211_sta *sta, u16 tid,
-				   u16 *ssn)
+				   u16 *ssn, u8 buf_size)
 {
 	int ret = -EOPNOTSUPP;
 
 	might_sleep();
 
-	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn);
+	trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
 
 	if (local->ops->ampdu_action)
 		ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
-					       sta, tid, ssn);
+					       sta, tid, ssn, buf_size);
 
 	trace_drv_return_int(local, ret);
 

net/mac80211/driver-trace.h

@@ -9,6 +9,11 @@
 #undef TRACE_EVENT
 #define TRACE_EVENT(name, proto, ...) \
 static inline void trace_ ## name(proto) {}
+#undef DECLARE_EVENT_CLASS
+#define DECLARE_EVENT_CLASS(...)
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(evt_class, name, proto, ...) \
+static inline void trace_ ## name(proto) {}
 #endif
 
 #undef TRACE_SYSTEM
@@ -38,7 +43,7 @@ static inline void trace_ ## name(proto) {}
  * Tracing for driver callbacks.
  */
 
-TRACE_EVENT(drv_return_void,
+DECLARE_EVENT_CLASS(local_only_evt,
 	TP_PROTO(struct ieee80211_local *local),
 	TP_ARGS(local),
 	TP_STRUCT__entry(
@@ -50,6 +55,11 @@ TRACE_EVENT(drv_return_void,
 	TP_printk(LOCAL_PR_FMT, LOCAL_PR_ARG)
 );
 
+DEFINE_EVENT(local_only_evt, drv_return_void,
+	TP_PROTO(struct ieee80211_local *local),
+	TP_ARGS(local)
+);
+
 TRACE_EVENT(drv_return_int,
 	TP_PROTO(struct ieee80211_local *local, int ret),
 	TP_ARGS(local, ret),
@@ -78,40 +88,14 @@ TRACE_EVENT(drv_return_u64,
 	TP_printk(LOCAL_PR_FMT " - %llu", LOCAL_PR_ARG, __entry->ret)
 );
 
-TRACE_EVENT(drv_start,
+DEFINE_EVENT(local_only_evt, drv_start,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
-TRACE_EVENT(drv_stop,
+DEFINE_EVENT(local_only_evt, drv_stop,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 TRACE_EVENT(drv_add_interface,
@@ -439,40 +423,14 @@ TRACE_EVENT(drv_hw_scan,
 	)
 );
 
-TRACE_EVENT(drv_sw_scan_start,
+DEFINE_EVENT(local_only_evt, drv_sw_scan_start,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
-TRACE_EVENT(drv_sw_scan_complete,
+DEFINE_EVENT(local_only_evt, drv_sw_scan_complete,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 TRACE_EVENT(drv_get_stats,
@@ -702,23 +660,9 @@ TRACE_EVENT(drv_conf_tx,
 	)
 );
 
-TRACE_EVENT(drv_get_tsf,
+DEFINE_EVENT(local_only_evt, drv_get_tsf,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT,
-		LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 TRACE_EVENT(drv_set_tsf,
@@ -742,41 +686,14 @@ TRACE_EVENT(drv_set_tsf,
 	)
 );
 
-TRACE_EVENT(drv_reset_tsf,
+DEFINE_EVENT(local_only_evt, drv_reset_tsf,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
-TRACE_EVENT(drv_tx_last_beacon,
+DEFINE_EVENT(local_only_evt, drv_tx_last_beacon,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT,
-		LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 TRACE_EVENT(drv_ampdu_action,
@@ -784,9 +701,9 @@ TRACE_EVENT(drv_ampdu_action,
 		 struct ieee80211_sub_if_data *sdata,
 		 enum ieee80211_ampdu_mlme_action action,
 		 struct ieee80211_sta *sta, u16 tid,
-		 u16 *ssn),
+		 u16 *ssn, u8 buf_size),
 
-	TP_ARGS(local, sdata, action, sta, tid, ssn),
+	TP_ARGS(local, sdata, action, sta, tid, ssn, buf_size),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
@@ -794,6 +711,7 @@ TRACE_EVENT(drv_ampdu_action,
 		__field(u32, action)
 		__field(u16, tid)
 		__field(u16, ssn)
+		__field(u8, buf_size)
 		VIF_ENTRY
 	),
 
@@ -804,11 +722,13 @@ TRACE_EVENT(drv_ampdu_action,
 		__entry->action = action;
 		__entry->tid = tid;
 		__entry->ssn = ssn ? *ssn : 0;
+		__entry->buf_size = buf_size;
 	),
 
 	TP_printk(
-		LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d",
-		LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action, __entry->tid
+		LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d buf:%d",
+		LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action,
+		__entry->tid, __entry->buf_size
 	)
 );
 
@@ -959,22 +879,9 @@ TRACE_EVENT(drv_remain_on_channel,
 	)
 );
 
-TRACE_EVENT(drv_cancel_remain_on_channel,
+DEFINE_EVENT(local_only_evt, drv_cancel_remain_on_channel,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 /*
@@ -1069,23 +976,9 @@ TRACE_EVENT(api_stop_tx_ba_cb,
 	)
 );
 
-TRACE_EVENT(api_restart_hw,
+DEFINE_EVENT(local_only_evt, api_restart_hw,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT,
-		LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 TRACE_EVENT(api_beacon_loss,
@@ -1214,40 +1107,14 @@ TRACE_EVENT(api_chswitch_done,
 	)
 );
 
-TRACE_EVENT(api_ready_on_channel,
+DEFINE_EVENT(local_only_evt, api_ready_on_channel,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
-TRACE_EVENT(api_remain_on_channel_expired,
+DEFINE_EVENT(local_only_evt, api_remain_on_channel_expired,
 	TP_PROTO(struct ieee80211_local *local),
-
-	TP_ARGS(local),
-
-	TP_STRUCT__entry(
-		LOCAL_ENTRY
-	),
-
-	TP_fast_assign(
-		LOCAL_ASSIGN;
-	),
-
-	TP_printk(
-		LOCAL_PR_FMT, LOCAL_PR_ARG
-	)
+	TP_ARGS(local)
 );
 
 /*

net/mac80211/ibss.c

@@ -270,7 +270,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 	enum ieee80211_band band = rx_status->band;
 
 	if (elems->ds_params && elems->ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
+		freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+						      band);
 	else
 		freq = rx_status->freq;
 

net/mac80211/main.c

@@ -554,6 +554,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 	local->hw.queues = 1;
 	local->hw.max_rates = 1;
 	local->hw.max_report_rates = 0;
+	local->hw.max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
 	local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
 	local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
 	local->user_power_level = -1;

net/mac80211/mesh.c

@@ -574,7 +574,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
 			       &elems);
 
 	if (elems.ds_params && elems.ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
+		freq = ieee80211_channel_to_frequency(elems.ds_params[0], band);
 	else
 		freq = rx_status->freq;
 
@@ -645,7 +645,7 @@ void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata)
 	if (test_and_clear_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags))
 		mesh_mpath_table_grow();
 
-	if (test_and_clear_bit(MESH_WORK_GROW_MPATH_TABLE, &ifmsh->wrkq_flags))
+	if (test_and_clear_bit(MESH_WORK_GROW_MPP_TABLE, &ifmsh->wrkq_flags))
 		mesh_mpp_table_grow();
 
 	if (test_and_clear_bit(MESH_WORK_HOUSEKEEPING, &ifmsh->wrkq_flags))

net/mac80211/mlme.c

@@ -176,7 +176,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 
 	/* check that channel matches the right operating channel */
 	if (local->hw.conf.channel->center_freq !=
-	    ieee80211_channel_to_frequency(hti->control_chan))
+	    ieee80211_channel_to_frequency(hti->control_chan, sband->band))
 		enable_ht = false;
 
 	if (enable_ht) {
@@ -429,7 +429,8 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 		container_of((void *)bss, struct cfg80211_bss, priv);
 	struct ieee80211_channel *new_ch;
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
-	int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num);
+	int new_freq = ieee80211_channel_to_frequency(sw_elem->new_ch_num,
+						      cbss->channel->band);
 
 	ASSERT_MGD_MTX(ifmgd);
 
@@ -1519,7 +1520,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (elems->ds_params && elems->ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
+		freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+						      rx_status->band);
 	else
 		freq = rx_status->freq;
 
@@ -1972,9 +1974,9 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 				wiphy_debug(local->hw.wiphy,
 					    "%s: No ack for nullfunc frame to"
-					    " AP %pM, try %d\n",
+					    " AP %pM, try %d/%i\n",
 					    sdata->name, bssid,
-					    ifmgd->probe_send_count);
+					    ifmgd->probe_send_count, max_tries);
 #endif
 				ieee80211_mgd_probe_ap_send(sdata);
 			} else {
@@ -2001,10 +2003,10 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 			wiphy_debug(local->hw.wiphy,
 				    "%s: No probe response from AP %pM"
-				    " after %dms, try %d\n",
+				    " after %dms, try %d/%i\n",
 				    sdata->name,
 				    bssid, (1000 * IEEE80211_PROBE_WAIT)/HZ,
-				    ifmgd->probe_send_count);
+				    ifmgd->probe_send_count, max_tries);
 #endif
 			ieee80211_mgd_probe_ap_send(sdata);
 		} else {

net/mac80211/rx.c

@@ -1556,17 +1556,36 @@ __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_sub_if_data *sdata = rx->sdata;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	bool check_port_control = false;
+	struct ethhdr *ehdr;
+	int ret;
 
 	if (ieee80211_has_a4(hdr->frame_control) &&
 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
 		return -1;
 
+	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+	    !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control)) {
+
+		if (!sdata->u.mgd.use_4addr)
+			return -1;
+		else
+			check_port_control = true;
+	}
+
 	if (is_multicast_ether_addr(hdr->addr1) &&
-	    ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) ||
-	     (sdata->vif.type == NL80211_IFTYPE_STATION && sdata->u.mgd.use_4addr)))
+	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)
 		return -1;
 
-	return ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
+	ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
+	if (ret < 0 || !check_port_control)
+		return ret;
+
+	ehdr = (struct ethhdr *) rx->skb->data;
+	if (ehdr->h_proto != rx->sdata->control_port_protocol)
+		return -1;
+
+	return 0;
 }
 
 /*
@@ -2692,7 +2711,7 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
 		if (!skb) {
 			if (net_ratelimit())
 				wiphy_debug(local->hw.wiphy,
-					"failed to copy multicast frame for %s\n",
+					"failed to copy skb for %s\n",
 					sdata->name);
 			return true;
 		}

net/mac80211/scan.c

@@ -196,7 +196,8 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
 	ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
 
 	if (elems.ds_params && elems.ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
+		freq = ieee80211_channel_to_frequency(elems.ds_params[0],
+						      rx_status->band);
 	else
 		freq = rx_status->freq;
 

net/mac80211/sta_info.h

@@ -82,6 +82,7 @@ enum ieee80211_sta_info_flags {
  * @state: session state (see above)
  * @stop_initiator: initiator of a session stop
  * @tx_stop: TX DelBA frame when stopping
+ * @buf_size: reorder buffer size at receiver
  *
  * This structure's lifetime is managed by RCU, assignments to
  * the array holding it must hold the aggregation mutex.
@@ -101,6 +102,7 @@ struct tid_ampdu_tx {
 	u8 dialog_token;
 	u8 stop_initiator;
 	bool tx_stop;
+	u8 buf_size;
 };
 
 /**

net/mac80211/tx.c

@@ -1750,7 +1750,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 	__le16 fc;
 	struct ieee80211_hdr hdr;
 	struct ieee80211s_hdr mesh_hdr __maybe_unused;
-	struct mesh_path *mppath = NULL;
+	struct mesh_path __maybe_unused *mppath = NULL;
 	const u8 *encaps_data;
 	int encaps_len, skip_header_bytes;
 	int nh_pos, h_pos;
@@ -1815,19 +1815,19 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 			mppath = mpp_path_lookup(skb->data, sdata);
 
 		/*
-		 * Do not use address extension, if it is a packet from
-		 * the same interface and the destination is not being
-		 * proxied by any other mest point.
+		 * Use address extension if it is a packet from
+		 * another interface or if we know the destination
+		 * is being proxied by a portal (i.e. portal address
+		 * differs from proxied address)
 		 */
 		if (compare_ether_addr(sdata->vif.addr,
 				       skb->data + ETH_ALEN) == 0 &&
-		    (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) {
+		    !(mppath && compare_ether_addr(mppath->mpp, skb->data))) {
 			hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
 					skb->data, skb->data + ETH_ALEN);
 			meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
 					sdata, NULL, NULL);
 		} else {
-			/* packet from other interface */
 			int is_mesh_mcast = 1;
 			const u8 *mesh_da;
 
@@ -2302,6 +2302,11 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
 		struct ieee80211_mgmt *mgmt;
 		u8 *pos;
 
+#ifdef CONFIG_MAC80211_MESH
+		if (!sdata->u.mesh.mesh_id_len)
+			goto out;
+#endif
+
 		/* headroom, head length, tail length and maximum TIM length */
 		skb = dev_alloc_skb(local->tx_headroom + 400 +
 				sdata->u.mesh.vendor_ie_len);

net/wireless/reg.c

@@ -1801,9 +1801,9 @@ void regulatory_hint_disconnect(void)
 
 static bool freq_is_chan_12_13_14(u16 freq)
 {
-	if (freq == ieee80211_channel_to_frequency(12) ||
-	    freq == ieee80211_channel_to_frequency(13) ||
-	    freq == ieee80211_channel_to_frequency(14))
+	if (freq == ieee80211_channel_to_frequency(12, IEEE80211_BAND_2GHZ) ||
+	    freq == ieee80211_channel_to_frequency(13, IEEE80211_BAND_2GHZ) ||
+	    freq == ieee80211_channel_to_frequency(14, IEEE80211_BAND_2GHZ))
 		return true;
 	return false;
 }

net/wireless/util.c

@@ -29,29 +29,37 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
 }
 EXPORT_SYMBOL(ieee80211_get_response_rate);
 
-int ieee80211_channel_to_frequency(int chan)
+int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band)
 {
-	if (chan < 14)
-		return 2407 + chan * 5;
-
-	if (chan == 14)
-		return 2484;
-
-	/* FIXME: 802.11j 17.3.8.3.2 */
-	return (chan + 1000) * 5;
+	/* see 802.11 17.3.8.3.2 and Annex J
+	 * there are overlapping channel numbers in 5GHz and 2GHz bands */
+	if (band == IEEE80211_BAND_5GHZ) {
+		if (chan >= 182 && chan <= 196)
+			return 4000 + chan * 5;
+		else
+			return 5000 + chan * 5;
+	} else { /* IEEE80211_BAND_2GHZ */
+		if (chan == 14)
+			return 2484;
+		else if (chan < 14)
+			return 2407 + chan * 5;
+		else
+			return 0; /* not supported */
+	}
 }
 EXPORT_SYMBOL(ieee80211_channel_to_frequency);
 
 int ieee80211_frequency_to_channel(int freq)
 {
+	/* see 802.11 17.3.8.3.2 and Annex J */
 	if (freq == 2484)
 		return 14;
-
-	if (freq < 2484)
+	else if (freq < 2484)
 		return (freq - 2407) / 5;
-
-	/* FIXME: 802.11j 17.3.8.3.2 */
-	return freq/5 - 1000;
+	else if (freq >= 4910 && freq <= 4980)
+		return (freq - 4000) / 5;
+	else
+		return (freq - 5000) / 5;
 }
 EXPORT_SYMBOL(ieee80211_frequency_to_channel);
 

net/wireless/wext-compat.c

@@ -267,9 +267,12 @@ int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
 	 * -EINVAL for impossible things.
 	 */
 	if (freq->e == 0) {
+		enum ieee80211_band band = IEEE80211_BAND_2GHZ;
 		if (freq->m < 0)
 			return 0;
-		return ieee80211_channel_to_frequency(freq->m);
+		if (freq->m > 14)
+			band = IEEE80211_BAND_5GHZ;
+		return ieee80211_channel_to_frequency(freq->m, band);
 	} else {
 		int i, div = 1000000;
 		for (i = 0; i < freq->e; i++)