--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
-@@ -2416,6 +2416,22 @@ ath5k_tx_complete_poll_work(struct work_
+@@ -2417,6 +2417,22 @@ ath5k_tx_complete_poll_work(struct work_
* Initialization routines *
\*************************/
int __devinit
ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops)
{
-@@ -2437,6 +2453,9 @@ ath5k_init_ah(struct ath5k_hw *ah, const
+@@ -2438,6 +2454,9 @@ ath5k_init_ah(struct ath5k_hw *ah, const
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
/* SW support for IBSS_RSN is provided by mac80211 */
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
---- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
-@@ -618,19 +618,10 @@ static void ar5008_hw_init_bb(struct ath
- u32 synthDelay;
-
- synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-- if (IS_CHAN_B(chan))
-- synthDelay = (4 * synthDelay) / 22;
-- else
-- synthDelay /= 10;
--
-- if (IS_CHAN_HALF_RATE(chan))
-- synthDelay *= 2;
-- else if (IS_CHAN_QUARTER_RATE(chan))
-- synthDelay *= 4;
-
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
-
-- udelay(synthDelay + BASE_ACTIVATE_DELAY);
-+ ath9k_hw_synth_delay(ah, chan, synthDelay);
- }
-
- static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
-@@ -868,7 +859,7 @@ static int ar5008_hw_process_ini(struct
- ar5008_hw_set_channel_regs(ah, chan);
- ar5008_hw_init_chain_masks(ah);
- ath9k_olc_init(ah);
-- ath9k_hw_apply_txpower(ah, chan);
-+ ath9k_hw_apply_txpower(ah, chan, false);
-
- /* Write analog registers */
- if (!ath9k_hw_set_rf_regs(ah, chan, freqIndex)) {
-@@ -948,12 +939,8 @@ static bool ar5008_hw_rfbus_req(struct a
- static void ar5008_hw_rfbus_done(struct ath_hw *ah)
- {
- u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-- if (IS_CHAN_B(ah->curchan))
-- synthDelay = (4 * synthDelay) / 22;
-- else
-- synthDelay /= 10;
-
-- udelay(synthDelay + BASE_ACTIVATE_DELAY);
-+ ath9k_hw_synth_delay(ah, ah->curchan, synthDelay);
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -145,15 +145,20 @@ static void sta_rx_agg_session_timer_exp
+ struct tid_ampdu_rx *tid_rx;
+ unsigned long timeout;
- REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
- }
---- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
-@@ -1000,10 +1000,12 @@ static bool ar9003_hw_init_cal(struct at
- if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal)
- ar9003_mci_init_cal_req(ah, &is_reusable);
-
-- txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
-- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
-- udelay(5);
-- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
-+ if (!(IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan))) {
-+ txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
-+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
-+ udelay(5);
-+ REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
++ rcu_read_lock();
+ tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]);
+- if (!tid_rx)
++ if (!tid_rx) {
++ rcu_read_unlock();
+ return;
+ }
- skip_tx_iqcal:
- if (run_agc_cal || !(ah->ah_flags & AH_FASTCC)) {
---- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-@@ -4281,18 +4281,10 @@ static int ar9003_hw_tx_power_regwrite(s
- #undef POW_SM
- }
-
--static void ar9003_hw_set_target_power_eeprom(struct ath_hw *ah, u16 freq,
-- u8 *targetPowerValT2)
-+static void ar9003_hw_get_legacy_target_powers(struct ath_hw *ah, u16 freq,
-+ u8 *targetPowerValT2,
-+ bool is2GHz)
- {
-- /* XXX: hard code for now, need to get from eeprom struct */
-- u8 ht40PowerIncForPdadc = 0;
-- bool is2GHz = false;
-- unsigned int i = 0;
-- struct ath_common *common = ath9k_hw_common(ah);
--
-- if (freq < 4000)
-- is2GHz = true;
--
- targetPowerValT2[ALL_TARGET_LEGACY_6_24] =
- ar9003_hw_eeprom_get_tgt_pwr(ah, LEGACY_TARGET_RATE_6_24, freq,
- is2GHz);
-@@ -4305,6 +4297,11 @@ static void ar9003_hw_set_target_power_e
- targetPowerValT2[ALL_TARGET_LEGACY_54] =
- ar9003_hw_eeprom_get_tgt_pwr(ah, LEGACY_TARGET_RATE_54, freq,
- is2GHz);
-+}
-+
-+static void ar9003_hw_get_cck_target_powers(struct ath_hw *ah, u16 freq,
-+ u8 *targetPowerValT2)
-+{
- targetPowerValT2[ALL_TARGET_LEGACY_1L_5L] =
- ar9003_hw_eeprom_get_cck_tgt_pwr(ah, LEGACY_TARGET_RATE_1L_5L,
- freq);
-@@ -4314,6 +4311,11 @@ static void ar9003_hw_set_target_power_e
- ar9003_hw_eeprom_get_cck_tgt_pwr(ah, LEGACY_TARGET_RATE_11L, freq);
- targetPowerValT2[ALL_TARGET_LEGACY_11S] =
- ar9003_hw_eeprom_get_cck_tgt_pwr(ah, LEGACY_TARGET_RATE_11S, freq);
-+}
-+
-+static void ar9003_hw_get_ht20_target_powers(struct ath_hw *ah, u16 freq,
-+ u8 *targetPowerValT2, bool is2GHz)
-+{
- targetPowerValT2[ALL_TARGET_HT20_0_8_16] =
- ar9003_hw_eeprom_get_ht20_tgt_pwr(ah, HT_TARGET_RATE_0_8_16, freq,
- is2GHz);
-@@ -4356,6 +4358,16 @@ static void ar9003_hw_set_target_power_e
- targetPowerValT2[ALL_TARGET_HT20_23] =
- ar9003_hw_eeprom_get_ht20_tgt_pwr(ah, HT_TARGET_RATE_23, freq,
- is2GHz);
-+}
-+
-+static void ar9003_hw_get_ht40_target_powers(struct ath_hw *ah,
-+ u16 freq,
-+ u8 *targetPowerValT2,
-+ bool is2GHz)
-+{
-+ /* XXX: hard code for now, need to get from eeprom struct */
-+ u8 ht40PowerIncForPdadc = 0;
-+
- targetPowerValT2[ALL_TARGET_HT40_0_8_16] =
- ar9003_hw_eeprom_get_ht40_tgt_pwr(ah, HT_TARGET_RATE_0_8_16, freq,
- is2GHz) + ht40PowerIncForPdadc;
-@@ -4399,6 +4411,26 @@ static void ar9003_hw_set_target_power_e
- targetPowerValT2[ALL_TARGET_HT40_23] =
- ar9003_hw_eeprom_get_ht40_tgt_pwr(ah, HT_TARGET_RATE_23, freq,
- is2GHz) + ht40PowerIncForPdadc;
-+}
-+
-+static void ar9003_hw_get_target_power_eeprom(struct ath_hw *ah,
-+ struct ath9k_channel *chan,
-+ u8 *targetPowerValT2)
-+{
-+ bool is2GHz = IS_CHAN_2GHZ(chan);
-+ unsigned int i = 0;
-+ struct ath_common *common = ath9k_hw_common(ah);
-+ u16 freq = chan->channel;
-+
-+ if (is2GHz)
-+ ar9003_hw_get_cck_target_powers(ah, freq, targetPowerValT2);
-+
-+ ar9003_hw_get_legacy_target_powers(ah, freq, targetPowerValT2, is2GHz);
-+ ar9003_hw_get_ht20_target_powers(ah, freq, targetPowerValT2, is2GHz);
-+
-+ if (IS_CHAN_HT40(chan))
-+ ar9003_hw_get_ht40_target_powers(ah, freq, targetPowerValT2,
-+ is2GHz);
-
- for (i = 0; i < ar9300RateSize; i++) {
- ath_dbg(common, EEPROM, "TPC[%02d] 0x%08x\n",
-@@ -4778,9 +4810,6 @@ static void ar9003_hw_set_power_per_rate
- scaledPower = ath9k_hw_get_scaled_power(ah, powerLimit,
- antenna_reduction);
-
-- /*
-- * Get target powers from EEPROM - our baseline for TX Power
-- */
- if (is2ghz) {
- /* Setup for CTL modes */
- /* CTL_11B, CTL_11G, CTL_2GHT20 */
-@@ -4952,7 +4981,12 @@ static void ath9k_hw_ar9300_set_txpower(
- unsigned int i = 0, paprd_scale_factor = 0;
- u8 pwr_idx, min_pwridx = 0;
-
-- ar9003_hw_set_target_power_eeprom(ah, chan->channel, targetPowerValT2);
-+ memset(targetPowerValT2, 0 , sizeof(targetPowerValT2));
-+
-+ /*
-+ * Get target powers from EEPROM - our baseline for TX Power
-+ */
-+ ar9003_hw_get_target_power_eeprom(ah, chan, targetPowerValT2);
-
- if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) {
- if (IS_CHAN_2GHZ(chan))
---- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
-@@ -54,7 +54,7 @@ void ar9003_paprd_enable(struct ath_hw *
-
- if (val) {
- ah->paprd_table_write_done = true;
-- ath9k_hw_apply_txpower(ah, chan);
-+ ath9k_hw_apply_txpower(ah, chan, false);
- }
-
- REG_RMW_FIELD(ah, AR_PHY_PAPRD_CTRL0_B0,
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
-@@ -526,22 +526,10 @@ static void ar9003_hw_init_bb(struct ath
- * Value is in 100ns increments.
- */
- synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-- if (IS_CHAN_B(chan))
-- synthDelay = (4 * synthDelay) / 22;
-- else
-- synthDelay /= 10;
-
- /* Activate the PHY (includes baseband activate + synthesizer on) */
- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
--
-- /*
-- * There is an issue if the AP starts the calibration before
-- * the base band timeout completes. This could result in the
-- * rx_clear false triggering. As a workaround we add delay an
-- * extra BASE_ACTIVATE_DELAY usecs to ensure this condition
-- * does not happen.
-- */
-- udelay(synthDelay + BASE_ACTIVATE_DELAY);
-+ ath9k_hw_synth_delay(ah, chan, synthDelay);
- }
-
- static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
-@@ -692,7 +680,7 @@ static int ar9003_hw_process_ini(struct
- ar9003_hw_override_ini(ah);
- ar9003_hw_set_channel_regs(ah, chan);
- ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
-- ath9k_hw_apply_txpower(ah, chan);
-+ ath9k_hw_apply_txpower(ah, chan, false);
-
- if (AR_SREV_9462(ah)) {
- if (REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_0,
-@@ -723,6 +711,14 @@ static void ar9003_hw_set_rfmode(struct
-
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- rfMode |= (AR_PHY_MODE_DYNAMIC | AR_PHY_MODE_DYN_CCK_DISABLE);
-+ if (IS_CHAN_QUARTER_RATE(chan))
-+ rfMode |= AR_PHY_MODE_QUARTER;
-+ if (IS_CHAN_HALF_RATE(chan))
-+ rfMode |= AR_PHY_MODE_HALF;
-+
-+ if (rfMode & (AR_PHY_MODE_QUARTER | AR_PHY_MODE_HALF))
-+ REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL,
-+ AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW, 3);
-
- REG_WRITE(ah, AR_PHY_MODE, rfMode);
- }
-@@ -793,12 +789,8 @@ static bool ar9003_hw_rfbus_req(struct a
- static void ar9003_hw_rfbus_done(struct ath_hw *ah)
- {
- u32 synthDelay = REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
-- if (IS_CHAN_B(ah->curchan))
-- synthDelay = (4 * synthDelay) / 22;
-- else
-- synthDelay /= 10;
-
-- udelay(synthDelay + BASE_ACTIVATE_DELAY);
-+ ath9k_hw_synth_delay(ah, ah->curchan, synthDelay);
-
- REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
- }
---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
-@@ -468,6 +468,9 @@
- #define AR_PHY_ADDAC_PARA_CTL (AR_SM_BASE + 0x150)
- #define AR_PHY_XPA_CFG (AR_SM_BASE + 0x158)
-
-+#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW 3
-+#define AR_PHY_FRAME_CTL_CF_OVERLAP_WINDOW_S 0
-+
- #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A 0x0001FC00
- #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_IDX_A_S 10
- #define AR_PHY_SPUR_MASK_A_CF_PUNC_MASK_A 0x3FF
---- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-@@ -798,6 +798,8 @@ static void ath9k_hw_ar9287_set_txpower(
- regulatory->max_power_level = ratesArray[i];
- }
-
-+ ath9k_hw_update_regulatory_maxpower(ah);
-+
- if (test)
+ timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout);
+ if (time_is_after_jiffies(timeout)) {
+ mod_timer(&tid_rx->session_timer, timeout);
++ rcu_read_unlock();
return;
-
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -191,6 +191,22 @@ bool ath9k_hw_wait(struct ath_hw *ah, u3
- }
- EXPORT_SYMBOL(ath9k_hw_wait);
-
-+void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
-+ int hw_delay)
-+{
-+ if (IS_CHAN_B(chan))
-+ hw_delay = (4 * hw_delay) / 22;
-+ else
-+ hw_delay /= 10;
-+
-+ if (IS_CHAN_HALF_RATE(chan))
-+ hw_delay *= 2;
-+ else if (IS_CHAN_QUARTER_RATE(chan))
-+ hw_delay *= 4;
-+
-+ udelay(hw_delay + BASE_ACTIVATE_DELAY);
-+}
-+
- void ath9k_hw_write_array(struct ath_hw *ah, struct ar5416IniArray *array,
- int column, unsigned int *writecnt)
- {
-@@ -1020,7 +1036,7 @@ void ath9k_hw_init_global_settings(struc
- struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_conf *conf = &common->hw->conf;
- const struct ath9k_channel *chan = ah->curchan;
-- int acktimeout, ctstimeout;
-+ int acktimeout, ctstimeout, ack_offset = 0;
- int slottime;
- int sifstime;
- int rx_lat = 0, tx_lat = 0, eifs = 0;
-@@ -1041,6 +1057,11 @@ void ath9k_hw_init_global_settings(struc
- rx_lat = 37;
- tx_lat = 54;
-
-+ if (IS_CHAN_5GHZ(chan))
-+ sifstime = 16;
-+ else
-+ sifstime = 10;
-+
- if (IS_CHAN_HALF_RATE(chan)) {
- eifs = 175;
- rx_lat *= 2;
-@@ -1048,8 +1069,9 @@ void ath9k_hw_init_global_settings(struc
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- tx_lat += 11;
-
-+ sifstime *= 2;
-+ ack_offset = 16;
- slottime = 13;
-- sifstime = 32;
- } else if (IS_CHAN_QUARTER_RATE(chan)) {
- eifs = 340;
- rx_lat = (rx_lat * 4) - 1;
-@@ -1057,8 +1079,9 @@ void ath9k_hw_init_global_settings(struc
- if (IS_CHAN_A_FAST_CLOCK(ah, chan))
- tx_lat += 22;
-
-+ sifstime *= 4;
-+ ack_offset = 32;
- slottime = 21;
-- sifstime = 64;
- } else {
- if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) {
- eifs = AR_D_GBL_IFS_EIFS_ASYNC_FIFO;
-@@ -1072,14 +1095,10 @@ void ath9k_hw_init_global_settings(struc
- tx_lat = MS(reg, AR_USEC_TX_LAT);
-
- slottime = ah->slottime;
-- if (IS_CHAN_5GHZ(chan))
-- sifstime = 16;
-- else
-- sifstime = 10;
- }
-
- /* As defined by IEEE 802.11-2007 17.3.8.6 */
-- acktimeout = slottime + sifstime + 3 * ah->coverage_class;
-+ acktimeout = slottime + sifstime + 3 * ah->coverage_class + ack_offset;
- ctstimeout = acktimeout;
-
- /*
-@@ -1089,7 +1108,8 @@ void ath9k_hw_init_global_settings(struc
- * BA frames in some implementations, but it has been found to fix ACK
- * timeout issues in other cases as well.
- */
-- if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
-+ if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ &&
-+ !IS_CHAN_HALF_RATE(chan) && !IS_CHAN_QUARTER_RATE(chan)) {
- acktimeout += 64 - sifstime - ah->slottime;
- ctstimeout += 48 - sifstime - ah->slottime;
- }
-@@ -1469,6 +1489,10 @@ static bool ath9k_hw_channel_change(stru
- CHANNEL_5GHZ));
- mode_diff = (chan->chanmode != ah->curchan->chanmode);
-
-+ if ((ah->curchan->channelFlags | chan->channelFlags) &
-+ (CHANNEL_HALF | CHANNEL_QUARTER))
-+ return false;
-+
- for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
- if (ath9k_hw_numtxpending(ah, qnum)) {
- ath_dbg(common, QUEUE,
-@@ -1502,7 +1526,7 @@ static bool ath9k_hw_channel_change(stru
- return false;
}
- ath9k_hw_set_clockrate(ah);
-- ath9k_hw_apply_txpower(ah, chan);
-+ ath9k_hw_apply_txpower(ah, chan, false);
- ath9k_hw_rfbus_done(ah);
-
- if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
-@@ -2773,7 +2797,8 @@ static int get_antenna_gain(struct ath_h
- return ah->eep_ops->get_eeprom(ah, gain_param);
- }
-
--void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan)
-+void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan,
-+ bool test)
- {
- struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
- struct ieee80211_channel *channel;
-@@ -2794,7 +2819,7 @@ void ath9k_hw_apply_txpower(struct ath_h
-
- ah->eep_ops->set_txpower(ah, chan,
- ath9k_regd_get_ctl(reg, chan),
-- ant_reduction, new_pwr, false);
-+ ant_reduction, new_pwr, test);
- }
-
- void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test)
-@@ -2807,7 +2832,7 @@ void ath9k_hw_set_txpowerlimit(struct at
- if (test)
- channel->max_power = MAX_RATE_POWER / 2;
-
-- ath9k_hw_apply_txpower(ah, chan);
-+ ath9k_hw_apply_txpower(ah, chan, test);
-
- if (test)
- channel->max_power = DIV_ROUND_UP(reg->max_power_level, 2);
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -923,6 +923,8 @@ void ath9k_hw_set_gpio(struct ath_hw *ah
- void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
-
- /* General Operation */
-+void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
-+ int hw_delay);
- bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
- void ath9k_hw_write_array(struct ath_hw *ah, struct ar5416IniArray *array,
- int column, unsigned int *writecnt);
-@@ -982,7 +984,8 @@ void ath9k_hw_name(struct ath_hw *ah, ch
- /* PHY */
- void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
- u32 *coef_mantissa, u32 *coef_exponent);
--void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan);
-+void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan,
-+ bool test);
-
- /*
- * Code Specific to AR5008, AR9001 or AR9002,
---- a/drivers/net/wireless/ath/ath9k/init.c
-+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -647,6 +647,24 @@ void ath9k_reload_chainmask_settings(str
- setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
- }
-
-+static const struct ieee80211_iface_limit if_limits[] = {
-+ { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) |
-+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
-+ BIT(NL80211_IFTYPE_WDS) },
-+ { .max = 8, .types =
-+#ifdef CONFIG_MAC80211_MESH
-+ BIT(NL80211_IFTYPE_MESH_POINT) |
-+#endif
-+ BIT(NL80211_IFTYPE_AP) |
-+ BIT(NL80211_IFTYPE_P2P_GO) },
-+};
-+
-+static const struct ieee80211_iface_combination if_comb = {
-+ .limits = if_limits,
-+ .n_limits = ARRAY_SIZE(if_limits),
-+ .max_interfaces = 2048,
-+ .num_different_channels = 1,
-+};
-
- void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
- {
-@@ -676,6 +694,9 @@ void ath9k_set_hw_capab(struct ath_softc
- BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
-
-+ hw->wiphy->iface_combinations = &if_comb;
-+ hw->wiphy->n_iface_combinations = 1;
-+
- if (AR_SREV_5416(sc->sc_ah))
- hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
-
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -133,8 +133,16 @@ EXPORT_SYMBOL(ath9k_hw_updatetxtriglevel
-
- void ath9k_hw_abort_tx_dma(struct ath_hw *ah)
- {
-+ int maxdelay = 1000;
- int i, q;
-
-+ if (ah->curchan) {
-+ if (IS_CHAN_HALF_RATE(ah->curchan))
-+ maxdelay *= 2;
-+ else if (IS_CHAN_QUARTER_RATE(ah->curchan))
-+ maxdelay *= 4;
-+ }
-+
- REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);
-
- REG_SET_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
-@@ -142,7 +150,7 @@ void ath9k_hw_abort_tx_dma(struct ath_hw
- REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
-
- for (q = 0; q < AR_NUM_QCU; q++) {
-- for (i = 0; i < 1000; i++) {
-+ for (i = 0; i < maxdelay; i++) {
- if (i)
- udelay(5);
++ rcu_read_unlock();
---- a/net/mac80211/agg-rx.c
-+++ b/net/mac80211/agg-rx.c
-@@ -200,6 +200,8 @@ static void ieee80211_send_addba_resp(st
+ #ifdef CONFIG_MAC80211_HT_DEBUG
+ printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
+@@ -200,6 +205,8 @@ static void ieee80211_send_addba_resp(st
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
else if (sdata->vif.type == NL80211_IFTYPE_STATION)
memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -484,6 +485,7 @@ int ieee80211_start_tx_ba_session(struct
+@@ -490,6 +491,7 @@ int ieee80211_start_tx_ba_session(struct
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
sdata->vif.type != NL80211_IFTYPE_AP &&
TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
-@@ -282,7 +282,6 @@ static int ieee80211_do_open(struct net_
+@@ -284,7 +284,6 @@ static int ieee80211_do_open(struct net_
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
u32 changed = 0;
int res;
u32 hw_reconf_flags = 0;
-@@ -428,28 +427,6 @@ static int ieee80211_do_open(struct net_
+@@ -430,28 +429,6 @@ static int ieee80211_do_open(struct net_
set_bit(SDATA_STATE_RUNNING, &sdata->state);
/*
* set_multicast_list will be invoked by the networking core
* which will check whether any increments here were done in
-@@ -846,6 +823,72 @@ static void ieee80211_if_setup(struct ne
+@@ -642,6 +619,8 @@ static void ieee80211_do_stop(struct iee
+ ieee80211_configure_filter(local);
+ break;
+ default:
++ flush_work(&local->hw_roc_start);
++ flush_work(&local->hw_roc_done);
+ flush_work(&sdata->work);
+ /*
+ * When we get here, the interface is marked down.
+@@ -848,6 +827,72 @@ static void ieee80211_if_setup(struct ne
dev->destructor = free_netdev;
}
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
-@@ -950,6 +993,9 @@ static void ieee80211_iface_work(struct
+@@ -952,6 +997,9 @@ static void ieee80211_iface_work(struct
break;
ieee80211_mesh_rx_queued_mgmt(sdata, skb);
break;
break;
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -2283,6 +2283,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+@@ -2284,6 +2284,7 @@ ieee80211_rx_h_action(struct ieee80211_r
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
sdata->vif.type != NL80211_IFTYPE_AP &&
sdata->vif.type != NL80211_IFTYPE_ADHOC)
break;
-@@ -2497,14 +2498,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2498,14 +2499,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
if (!ieee80211_vif_is_mesh(&sdata->vif) &&
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
break;
case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
-@@ -2838,10 +2840,16 @@ static int prepare_for_handlers(struct i
+@@ -2839,10 +2841,16 @@ static int prepare_for_handlers(struct i
}
break;
case NL80211_IFTYPE_WDS:
WLAN_STA_CLEAR_PS_FILT,
WLAN_STA_MFP,
WLAN_STA_BLOCK_BA,
---- a/drivers/net/wireless/iwlwifi/iwl-agn.h
-+++ b/drivers/net/wireless/iwlwifi/iwl-agn.h
-@@ -425,6 +425,7 @@ void iwl_testmode_cleanup(struct iwl_pri
- #ifdef CONFIG_IWLWIFI_DEBUG
- void iwl_print_rx_config_cmd(struct iwl_priv *priv,
- enum iwl_rxon_context_id ctxid);
-+int iwl_alloc_traffic_mem(struct iwl_priv *priv);
- #else
- static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
- enum iwl_rxon_context_id ctxid)
-@@ -510,7 +511,6 @@ void iwl_setup_deferred_work(struct iwl_
- int iwl_send_wimax_coex(struct iwl_priv *priv);
- int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
- void iwl_debug_config(struct iwl_priv *priv);
--int iwl_alloc_traffic_mem(struct iwl_priv *priv);
- void iwl_set_hw_params(struct iwl_priv *priv);
- void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags);
- int iwl_init_drv(struct iwl_priv *priv);
---- a/drivers/net/wireless/libertas/firmware.c
-+++ b/drivers/net/wireless/libertas/firmware.c
-@@ -5,6 +5,7 @@
- #include <linux/firmware.h>
- #include <linux/firmware.h>
- #include <linux/module.h>
-+#include <linux/sched.h>
-
- #include "dev.h"
- #include "decl.h"
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -812,6 +812,7 @@ static bool ath9k_rx_accept(struct ath_c
- is_valid_tkip = rx_stats->rs_keyix != ATH9K_RXKEYIX_INVALID &&
- test_bit(rx_stats->rs_keyix, common->tkip_keymap);
- strip_mic = is_valid_tkip && ieee80211_is_data(fc) &&
-+ ieee80211_has_protected(fc) &&
- !(rx_stats->rs_status &
- (ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC |
- ATH9K_RXERR_KEYMISS));
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -804,7 +804,7 @@ void ieee80211_set_wmm_default(struct ie
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_tx_queue_params qparam;
+ int ac;
+- bool use_11b;
++ bool use_11b, enable_qos;
+ int aCWmin, aCWmax;
+
+ if (!local->ops->conf_tx)
+@@ -818,6 +818,13 @@ void ieee80211_set_wmm_default(struct ie
+ use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
+ !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
+
++ /*
++ * By default disable QoS in STA mode for old access points, which do
++ * not support 802.11e. New APs will provide proper queue parameters,
++ * that we will configure later.
++ */
++ enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION);
++
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ /* Set defaults according to 802.11-2007 Table 7-37 */
+ aCWmax = 1023;
+@@ -826,38 +833,47 @@ void ieee80211_set_wmm_default(struct ie
+ else
+ aCWmin = 15;
+
+- switch (ac) {
+- case IEEE80211_AC_BK:
+- qparam.cw_max = aCWmax;
+- qparam.cw_min = aCWmin;
+- qparam.txop = 0;
+- qparam.aifs = 7;
+- break;
+- default: /* never happens but let's not leave undefined */
+- case IEEE80211_AC_BE:
++ if (enable_qos) {
++ switch (ac) {
++ case IEEE80211_AC_BK:
++ qparam.cw_max = aCWmax;
++ qparam.cw_min = aCWmin;
++ qparam.txop = 0;
++ qparam.aifs = 7;
++ break;
++ /* never happens but let's not leave undefined */
++ default:
++ case IEEE80211_AC_BE:
++ qparam.cw_max = aCWmax;
++ qparam.cw_min = aCWmin;
++ qparam.txop = 0;
++ qparam.aifs = 3;
++ break;
++ case IEEE80211_AC_VI:
++ qparam.cw_max = aCWmin;
++ qparam.cw_min = (aCWmin + 1) / 2 - 1;
++ if (use_11b)
++ qparam.txop = 6016/32;
++ else
++ qparam.txop = 3008/32;
++ qparam.aifs = 2;
++ break;
++ case IEEE80211_AC_VO:
++ qparam.cw_max = (aCWmin + 1) / 2 - 1;
++ qparam.cw_min = (aCWmin + 1) / 4 - 1;
++ if (use_11b)
++ qparam.txop = 3264/32;
++ else
++ qparam.txop = 1504/32;
++ qparam.aifs = 2;
++ break;
++ }
++ } else {
++ /* Confiure old 802.11b/g medium access rules. */
+ qparam.cw_max = aCWmax;
+ qparam.cw_min = aCWmin;
+ qparam.txop = 0;
+- qparam.aifs = 3;
+- break;
+- case IEEE80211_AC_VI:
+- qparam.cw_max = aCWmin;
+- qparam.cw_min = (aCWmin + 1) / 2 - 1;
+- if (use_11b)
+- qparam.txop = 6016/32;
+- else
+- qparam.txop = 3008/32;
+ qparam.aifs = 2;
+- break;
+- case IEEE80211_AC_VO:
+- qparam.cw_max = (aCWmin + 1) / 2 - 1;
+- qparam.cw_min = (aCWmin + 1) / 4 - 1;
+- if (use_11b)
+- qparam.txop = 3264/32;
+- else
+- qparam.txop = 1504/32;
+- qparam.aifs = 2;
+- break;
+ }
+
+ qparam.uapsd = false;
+@@ -866,12 +882,8 @@ void ieee80211_set_wmm_default(struct ie
+ drv_conf_tx(local, sdata, ac, &qparam);
+ }
+
+- /* after reinitialize QoS TX queues setting to default,
+- * disable QoS at all */
+-
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
+- sdata->vif.bss_conf.qos =
+- sdata->vif.type != NL80211_IFTYPE_STATION;
++ sdata->vif.bss_conf.qos = enable_qos;
+ if (bss_notify)
+ ieee80211_bss_info_change_notify(sdata,
+ BSS_CHANGED_QOS);
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -48,7 +48,10 @@ int ath_beaconq_config(struct ath_softc
+ txq = sc->tx.txq_map[WME_AC_BE];
+ ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be);
+ qi.tqi_aifs = qi_be.tqi_aifs;
+- qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
++ if (ah->slottime == ATH9K_SLOT_TIME_20)
++ qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
++ else
++ qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
+ qi.tqi_cwmax = qi_be.tqi_cwmax;
+ }
+
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1220,6 +1220,22 @@ static void ieee80211_sta_wmm_params(str
+ sdata->vif.bss_conf.qos = true;
+ }
+
++static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
++{
++ lockdep_assert_held(&sdata->local->mtx);
++
++ sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
++ IEEE80211_STA_BEACON_POLL);
++ ieee80211_run_deferred_scan(sdata->local);
++}
++
++static void ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
++{
++ mutex_lock(&sdata->local->mtx);
++ __ieee80211_stop_poll(sdata);
++ mutex_unlock(&sdata->local->mtx);
++}
++
+ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
+ {
+@@ -1285,8 +1301,7 @@ static void ieee80211_set_associated(str
+ sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
+
+ /* just to be sure */
+- sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ ieee80211_stop_poll(sdata);
+
+ ieee80211_led_assoc(local, 1);
+
+@@ -1456,8 +1471,7 @@ static void ieee80211_reset_ap_probe(str
+ return;
+ }
+
+- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ __ieee80211_stop_poll(sdata);
+
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+@@ -1477,7 +1491,6 @@ static void ieee80211_reset_ap_probe(str
+ round_jiffies_up(jiffies +
+ IEEE80211_CONNECTION_IDLE_TIME));
+ out:
+- ieee80211_run_deferred_scan(local);
+ mutex_unlock(&local->mtx);
+ }
+
+@@ -2413,7 +2426,11 @@ static void ieee80211_rx_mgmt_beacon(str
+ "to a received beacon\n", sdata->name);
+ }
+ #endif
++ mutex_lock(&local->mtx);
+ ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
++ ieee80211_run_deferred_scan(local);
++ mutex_unlock(&local->mtx);
++
+ mutex_lock(&local->iflist_mtx);
+ ieee80211_recalc_ps(local, -1);
+ mutex_unlock(&local->iflist_mtx);
+@@ -2600,8 +2617,7 @@ static void ieee80211_sta_connection_los
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ u8 frame_buf[DEAUTH_DISASSOC_LEN];
+
+- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+- IEEE80211_STA_BEACON_POLL);
++ ieee80211_stop_poll(sdata);
+
+ ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
+ false, frame_buf);
+@@ -2879,8 +2895,7 @@ static void ieee80211_restart_sta_timer(
+ u32 flags;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+- sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL |
+- IEEE80211_STA_CONNECTION_POLL);
++ __ieee80211_stop_poll(sdata);
+
+ /* let's probe the connection once */
+ flags = sdata->local->hw.flags;
+@@ -2949,7 +2964,10 @@ void ieee80211_sta_restart(struct ieee80
+ if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
+ add_timer(&ifmgd->chswitch_timer);
+ ieee80211_sta_reset_beacon_monitor(sdata);
++
++ mutex_lock(&sdata->local->mtx);
+ ieee80211_restart_sta_timer(sdata);
++ mutex_unlock(&sdata->local->mtx);
+ }
+ #endif
+
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