X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/9c731309dbdff1f374ec6c14799450523965fd79..14a2e7fb17b1a736e902cec26167b41130a75099:/package/mac80211/patches/300-pending_work.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index f06e9df99..eb09e03e1 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -1,619 +1,1381 @@ ---- a/net/wireless/reg.c -+++ b/net/wireless/reg.c -@@ -1456,7 +1456,8 @@ static void reg_process_hint(struct regu - * We only time out user hints, given that they should be the only - * source of bogus requests. - */ -- if (reg_request->initiator == NL80211_REGDOM_SET_BY_USER) -+ if (r != -EALREADY && -+ reg_request->initiator == NL80211_REGDOM_SET_BY_USER) - schedule_delayed_work(®_timeout, msecs_to_jiffies(3142)); - } +--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c ++++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c +@@ -203,7 +203,7 @@ static void ar9002_hw_iqcalibrate(struct + i); + + ath_dbg(common, ATH_DBG_CALIBRATE, +- "Orignal: Chn %diq_corr_meas = 0x%08x\n", ++ "Original: Chn %d iq_corr_meas = 0x%08x\n", + i, ah->totalIqCorrMeas[i]); + iqCorrNeg = 0; --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c -@@ -18,13 +18,13 @@ - #include "hw-ops.h" - #include "ar9003_phy.h" - --#define MPASS 3 - #define MAX_MEASUREMENT 8 --#define MAX_DIFFERENCE 10 -+#define MAX_MAG_DELTA 11 -+#define MAX_PHS_DELTA 10 - - struct coeff { -- int mag_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT][MPASS]; -- int phs_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT][MPASS]; -+ int mag_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT]; -+ int phs_coeff[AR9300_MAX_CHAINS][MAX_MEASUREMENT]; - int iqc_coeff[2]; - }; +@@ -226,7 +226,7 @@ static void ar9003_hw_iqcalibrate(struct + i); -@@ -608,36 +608,48 @@ static bool ar9003_hw_calc_iq_corr(struc - return true; + ath_dbg(common, ATH_DBG_CALIBRATE, +- "Orignal: Chn %diq_corr_meas = 0x%08x\n", ++ "Original: Chn %d iq_corr_meas = 0x%08x\n", + i, ah->totalIqCorrMeas[i]); + + iqCorrNeg = 0; +--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c +@@ -808,7 +808,8 @@ void ath9k_htc_ani_work(struct work_stru + } + + /* Verify whether we must check ANI */ +- if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { ++ if (ah->config.enable_ani && ++ (timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) { + aniflag = true; + common->ani.checkani_timer = timestamp; + } +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -504,7 +504,7 @@ static int ath9k_hw_post_init(struct ath + return ecode; + } + +- if (!AR_SREV_9100(ah) && !AR_SREV_9340(ah)) { ++ if (ah->config.enable_ani) { + ath9k_hw_ani_setup(ah); + ath9k_hw_ani_init(ah); + } +@@ -610,6 +610,10 @@ static int __ath9k_hw_init(struct ath_hw + if (!AR_SREV_9300_20_OR_LATER(ah)) + ah->ani_function &= ~ATH9K_ANI_MRC_CCK; + ++ /* disable ANI for 9340 */ ++ if (AR_SREV_9340(ah)) ++ ah->config.enable_ani = false; ++ + ath9k_hw_init_mode_regs(ah); + + if (!ah->is_pciexpress) +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc * + if (--sc->ps_usecount != 0) + goto unlock; + +- if (sc->ps_idle) ++ if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK)) + mode = ATH9K_PM_FULL_SLEEP; + else if (sc->ps_enabled && + !(sc->ps_flags & (PS_WAIT_FOR_BEACON | +@@ -286,7 +286,7 @@ static bool ath_complete_reset(struct at + ath_start_ani(common); + } + +- if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) { ++ if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) { + struct ath_hw_antcomb_conf div_ant_conf; + u8 lna_conf; + +@@ -332,7 +332,8 @@ static int ath_reset_internal(struct ath + hchan = ah->curchan; + } + +- if (fastcc && !ath9k_hw_check_alive(ah)) ++ if (fastcc && (ah->chip_fullsleep || ++ !ath9k_hw_check_alive(ah))) + fastcc = false; + + if (!ath_prepare_reset(sc, retry_tx, flush)) +@@ -561,7 +562,6 @@ void ath_ani_calibrate(unsigned long dat + /* Long calibration runs independently of short calibration. */ + if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) { + longcal = true; +- ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); + common->ani.longcal_timer = timestamp; + } + +@@ -569,8 +569,6 @@ void ath_ani_calibrate(unsigned long dat + if (!common->ani.caldone) { + if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { + shortcal = true; +- ath_dbg(common, ATH_DBG_ANI, +- "shortcal @%lu\n", jiffies); + common->ani.shortcal_timer = timestamp; + common->ani.resetcal_timer = timestamp; + } +@@ -584,8 +582,9 @@ void ath_ani_calibrate(unsigned long dat + } + + /* Verify whether we must check ANI */ +- if ((timestamp - common->ani.checkani_timer) >= +- ah->config.ani_poll_interval) { ++ if (sc->sc_ah->config.enable_ani ++ && (timestamp - common->ani.checkani_timer) >= ++ ah->config.ani_poll_interval) { + aniflag = true; + common->ani.checkani_timer = timestamp; + } +@@ -605,6 +604,11 @@ void ath_ani_calibrate(unsigned long dat + ah->rxchainmask, longcal); + } + ++ ath_dbg(common, ATH_DBG_ANI, ++ "Calibration @%lu finished: %s %s %s, caldone: %s\n", jiffies, ++ longcal ? "long" : "", shortcal ? "short" : "", ++ aniflag ? "ani" : "", common->ani.caldone ? "true" : "false"); ++ + ath9k_ps_restore(sc); + + set_timer: +@@ -886,82 +890,6 @@ chip_reset: + #undef SCHED_INTR } --static bool ar9003_hw_compute_closest_pass_and_avg(int *mp_coeff, int *mp_avg) -+static void ar9003_hw_detect_outlier(int *mp_coeff, int nmeasurement, -+ int max_delta) +-static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) +-{ +- struct ath_hw *ah = sc->sc_ah; +- struct ath_common *common = ath9k_hw_common(ah); +- struct ieee80211_channel *channel = hw->conf.channel; +- int r; +- +- ath9k_ps_wakeup(sc); +- spin_lock_bh(&sc->sc_pcu_lock); +- atomic_set(&ah->intr_ref_cnt, -1); +- +- ath9k_hw_configpcipowersave(ah, false); +- +- if (!ah->curchan) +- ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah); +- +- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); +- if (r) { +- ath_err(common, +- "Unable to reset channel (%u MHz), reset status %d\n", +- channel->center_freq, r); +- } +- +- ath_complete_reset(sc, true); +- +- /* Enable LED */ +- ath9k_hw_cfg_output(ah, ah->led_pin, +- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); +- ath9k_hw_set_gpio(ah, ah->led_pin, 0); +- +- spin_unlock_bh(&sc->sc_pcu_lock); +- +- ath9k_ps_restore(sc); +-} +- +-void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) +-{ +- struct ath_hw *ah = sc->sc_ah; +- struct ieee80211_channel *channel = hw->conf.channel; +- int r; +- +- ath9k_ps_wakeup(sc); +- +- ath_cancel_work(sc); +- +- spin_lock_bh(&sc->sc_pcu_lock); +- +- /* +- * Keep the LED on when the radio is disabled +- * during idle unassociated state. +- */ +- if (!sc->ps_idle) { +- ath9k_hw_set_gpio(ah, ah->led_pin, 1); +- ath9k_hw_cfg_gpio_input(ah, ah->led_pin); +- } +- +- ath_prepare_reset(sc, false, true); +- +- if (!ah->curchan) +- ah->curchan = ath9k_cmn_get_curchannel(hw, ah); +- +- r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); +- if (r) { +- ath_err(ath9k_hw_common(sc->sc_ah), +- "Unable to reset channel (%u MHz), reset status %d\n", +- channel->center_freq, r); +- } +- +- ath9k_hw_phy_disable(ah); +- +- ath9k_hw_configpcipowersave(ah, true); +- +- spin_unlock_bh(&sc->sc_pcu_lock); +- ath9k_ps_restore(sc); +-} +- + static int ath_reset(struct ath_softc *sc, bool retry_tx) { -- int diff[MPASS]; -- -- diff[0] = abs(mp_coeff[0] - mp_coeff[1]); -- diff[1] = abs(mp_coeff[1] - mp_coeff[2]); -- diff[2] = abs(mp_coeff[2] - mp_coeff[0]); -- -- if (diff[0] > MAX_DIFFERENCE && -- diff[1] > MAX_DIFFERENCE && -- diff[2] > MAX_DIFFERENCE) -- return false; -- -- if (diff[0] <= diff[1] && diff[0] <= diff[2]) -- *mp_avg = (mp_coeff[0] + mp_coeff[1]) / 2; -- else if (diff[1] <= diff[2]) -- *mp_avg = (mp_coeff[1] + mp_coeff[2]) / 2; -- else -- *mp_avg = (mp_coeff[2] + mp_coeff[0]) / 2; -+ int mp_max = -64, max_idx = 0; -+ int mp_min = 63, min_idx = 0; -+ int mp_avg = 0, i, outlier_idx = 0; -+ -+ /* find min/max mismatch across all calibrated gains */ -+ for (i = 0; i < nmeasurement; i++) { -+ mp_avg += mp_coeff[i]; -+ if (mp_coeff[i] > mp_max) { -+ mp_max = mp_coeff[i]; -+ max_idx = i; -+ } else if (mp_coeff[i] < mp_min) { -+ mp_min = mp_coeff[i]; -+ min_idx = i; -+ } -+ } + int r; +@@ -1097,6 +1025,9 @@ static int ath9k_start(struct ieee80211_ + * and then setup of the interrupt mask. + */ + spin_lock_bh(&sc->sc_pcu_lock); ++ ++ atomic_set(&ah->intr_ref_cnt, -1); ++ + r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); + if (r) { + ath_err(common, +@@ -1138,6 +1069,18 @@ static int ath9k_start(struct ieee80211_ + goto mutex_unlock; + } -- return true; -+ /* find average (exclude max abs value) */ -+ for (i = 0; i < nmeasurement; i++) { -+ if ((abs(mp_coeff[i]) < abs(mp_max)) || -+ (abs(mp_coeff[i]) < abs(mp_min))) -+ mp_avg += mp_coeff[i]; ++ if (ah->led_pin >= 0) { ++ ath9k_hw_cfg_output(ah, ah->led_pin, ++ AR_GPIO_OUTPUT_MUX_AS_OUTPUT); ++ ath9k_hw_set_gpio(ah, ah->led_pin, 0); + } -+ mp_avg /= (nmeasurement - 1); -+ -+ /* detect outlier */ -+ if (abs(mp_max - mp_min) > max_delta) { -+ if (abs(mp_max - mp_avg) > abs(mp_min - mp_avg)) -+ outlier_idx = max_idx; -+ else -+ outlier_idx = min_idx; ++ ++ /* ++ * Reset key cache to sane defaults (all entries cleared) instead of ++ * semi-random values after suspend/resume. ++ */ ++ ath9k_cmn_init_crypto(sc->sc_ah); ++ + spin_unlock_bh(&sc->sc_pcu_lock); + + if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && +@@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw + } + } + ++ /* ++ * Cannot tx while the hardware is in full sleep, it first needs a full ++ * chip reset to recover from that ++ */ ++ if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP)) ++ goto exit; ++ + if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) { + /* + * We are using PS-Poll and mac80211 can request TX while in +@@ -1229,6 +1179,7 @@ static void ath9k_stop(struct ieee80211_ + struct ath_softc *sc = hw->priv; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); ++ bool prev_idle; + + mutex_lock(&sc->mutex); + +@@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_ + * before setting the invalid flag. */ + ath9k_hw_disable_interrupts(ah); + +- if (!(sc->sc_flags & SC_OP_INVALID)) { +- ath_drain_all_txq(sc, false); +- ath_stoprecv(sc); +- ath9k_hw_phy_disable(ah); +- } else +- sc->rx.rxlink = NULL; ++ spin_unlock_bh(&sc->sc_pcu_lock); ++ ++ /* we can now sync irq and kill any running tasklets, since we already ++ * disabled interrupts and not holding a spin lock */ ++ synchronize_irq(sc->irq); ++ tasklet_kill(&sc->intr_tq); ++ tasklet_kill(&sc->bcon_tasklet); ++ ++ prev_idle = sc->ps_idle; ++ sc->ps_idle = true; ++ ++ spin_lock_bh(&sc->sc_pcu_lock); ++ ++ if (ah->led_pin >= 0) { ++ ath9k_hw_set_gpio(ah, ah->led_pin, 1); ++ ath9k_hw_cfg_gpio_input(ah, ah->led_pin); + } -+ mp_coeff[outlier_idx] = mp_avg; - } ++ ++ ath_prepare_reset(sc, false, true); - static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah, - u8 num_chains, - struct coeff *coeff) - { -- struct ath_common *common = ath9k_hw_common(ah); - int i, im, nmeasurement; -- int magnitude, phase; - u32 tx_corr_coeff[MAX_MEASUREMENT][AR9300_MAX_CHAINS]; - - memset(tx_corr_coeff, 0, sizeof(tx_corr_coeff)); -@@ -657,37 +669,28 @@ static void ar9003_hw_tx_iqcal_load_avg_ - - /* Load the average of 2 passes */ - for (i = 0; i < num_chains; i++) { -- if (AR_SREV_9485(ah)) -- nmeasurement = REG_READ_FIELD(ah, -- AR_PHY_TX_IQCAL_STATUS_B0_9485, -- AR_PHY_CALIBRATED_GAINS_0); -- else -- nmeasurement = REG_READ_FIELD(ah, -- AR_PHY_TX_IQCAL_STATUS_B0, -- AR_PHY_CALIBRATED_GAINS_0); -+ nmeasurement = REG_READ_FIELD(ah, -+ AR_PHY_TX_IQCAL_STATUS_B0, -+ AR_PHY_CALIBRATED_GAINS_0); - - if (nmeasurement > MAX_MEASUREMENT) - nmeasurement = MAX_MEASUREMENT; - -- for (im = 0; im < nmeasurement; im++) { -- /* -- * Determine which 2 passes are closest and compute avg -- * magnitude -- */ -- if (!ar9003_hw_compute_closest_pass_and_avg(coeff->mag_coeff[i][im], -- &magnitude)) -- goto disable_txiqcal; -+ /* detect outlier only if nmeasurement > 1 */ -+ if (nmeasurement > 1) { -+ /* Detect magnitude outlier */ -+ ar9003_hw_detect_outlier(coeff->mag_coeff[i], -+ nmeasurement, MAX_MAG_DELTA); -+ -+ /* Detect phase outlier */ -+ ar9003_hw_detect_outlier(coeff->phs_coeff[i], -+ nmeasurement, MAX_PHS_DELTA); -+ } + if (sc->rx.frag) { + dev_kfree_skb_any(sc->rx.frag); + sc->rx.frag = NULL; + } -- /* -- * Determine which 2 passes are closest and compute avg -- * phase -- */ -- if (!ar9003_hw_compute_closest_pass_and_avg(coeff->phs_coeff[i][im], -- &phase)) -- goto disable_txiqcal; -+ for (im = 0; im < nmeasurement; im++) { - -- coeff->iqc_coeff[0] = (magnitude & 0x7f) | -- ((phase & 0x7f) << 7); -+ coeff->iqc_coeff[0] = (coeff->mag_coeff[i][im] & 0x7f) | -+ ((coeff->phs_coeff[i][im] & 0x7f) << 7); - - if ((im % 2) == 0) - REG_RMW_FIELD(ah, tx_corr_coeff[im][i], -@@ -707,141 +710,37 @@ static void ar9003_hw_tx_iqcal_load_avg_ - - return; - --disable_txiqcal: -- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_3, -- AR_PHY_TX_IQCAL_CONTROL_3_IQCORR_EN, 0x0); -- REG_RMW_FIELD(ah, AR_PHY_RX_IQCAL_CORR_B0, -- AR_PHY_RX_IQCAL_CORR_B0_LOOPBACK_IQCORR_EN, 0x0); -- -- ath_dbg(common, ATH_DBG_CALIBRATE, "TX IQ Cal disabled\n"); - } +- /* disable HAL and put h/w to sleep */ +- ath9k_hw_disable(ah); ++ if (!ah->curchan) ++ ah->curchan = ath9k_cmn_get_curchannel(hw, ah); --static void ar9003_hw_tx_iq_cal(struct ath_hw *ah) -+static bool ar9003_hw_tx_iq_cal_run(struct ath_hw *ah) - { +- spin_unlock_bh(&sc->sc_pcu_lock); ++ ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); ++ ath9k_hw_phy_disable(ah); + +- /* we can now sync irq and kill any running tasklets, since we already +- * disabled interrupts and not holding a spin lock */ +- synchronize_irq(sc->irq); +- tasklet_kill(&sc->intr_tq); +- tasklet_kill(&sc->bcon_tasklet); ++ ath9k_hw_configpcipowersave(ah, true); + +- ath9k_ps_restore(sc); ++ spin_unlock_bh(&sc->sc_pcu_lock); + +- sc->ps_idle = true; +- ath_radio_disable(sc, hw); ++ ath9k_ps_restore(sc); + + sc->sc_flags |= SC_OP_INVALID; ++ sc->ps_idle = prev_idle; + + mutex_unlock(&sc->mutex); + +@@ -1627,8 +1588,8 @@ static int ath9k_config(struct ieee80211 + struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); -- static const u32 txiqcal_status[AR9300_MAX_CHAINS] = { -- AR_PHY_TX_IQCAL_STATUS_B0, -- AR_PHY_TX_IQCAL_STATUS_B1, -- AR_PHY_TX_IQCAL_STATUS_B2, -- }; -- static const u32 chan_info_tab[] = { -- AR_PHY_CHAN_INFO_TAB_0, -- AR_PHY_CHAN_INFO_TAB_1, -- AR_PHY_CHAN_INFO_TAB_2, -- }; -- struct coeff coeff; -- s32 iq_res[6]; -- s32 i, j, ip, im, nmeasurement; -- u8 nchains = get_streams(common->tx_chainmask); -- -- for (ip = 0; ip < MPASS; ip++) { -- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1, -- AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, -- DELPT); -- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_START, -- AR_PHY_TX_IQCAL_START_DO_CAL, -- AR_PHY_TX_IQCAL_START_DO_CAL); -- -- if (!ath9k_hw_wait(ah, AR_PHY_TX_IQCAL_START, -- AR_PHY_TX_IQCAL_START_DO_CAL, -- 0, AH_WAIT_TIMEOUT)) { -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "Tx IQ Cal not complete.\n"); -- goto TX_IQ_CAL_FAILED; + struct ieee80211_conf *conf = &hw->conf; +- bool disable_radio = false; + ++ ath9k_ps_wakeup(sc); + mutex_lock(&sc->mutex); + + /* +@@ -1639,13 +1600,8 @@ static int ath9k_config(struct ieee80211 + */ + if (changed & IEEE80211_CONF_CHANGE_IDLE) { + sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE); +- if (!sc->ps_idle) { +- ath_radio_enable(sc, hw); +- ath_dbg(common, ATH_DBG_CONFIG, +- "not-idle: enabling radio\n"); +- } else { +- disable_radio = true; - } -- -- nmeasurement = REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_STATUS_B0, -- AR_PHY_CALIBRATED_GAINS_0); -- if (nmeasurement > MAX_MEASUREMENT) -- nmeasurement = MAX_MEASUREMENT; -- -- for (i = 0; i < nchains; i++) { -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "Doing Tx IQ Cal for chain %d.\n", i); -- for (im = 0; im < nmeasurement; im++) { -- if (REG_READ(ah, txiqcal_status[i]) & -- AR_PHY_TX_IQCAL_STATUS_FAILED) { -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "Tx IQ Cal failed for chain %d.\n", i); -- goto TX_IQ_CAL_FAILED; -- } -- -- for (j = 0; j < 3; j++) { -- u8 idx = 2 * j, -- offset = 4 * (3 * im + j); -- -- REG_RMW_FIELD(ah, AR_PHY_CHAN_INFO_MEMORY, -- AR_PHY_CHAN_INFO_TAB_S2_READ, -- 0); -- -- /* 32 bits */ -- iq_res[idx] = REG_READ(ah, -- chan_info_tab[i] + -- offset); -- -- REG_RMW_FIELD(ah, AR_PHY_CHAN_INFO_MEMORY, -- AR_PHY_CHAN_INFO_TAB_S2_READ, -- 1); -- -- /* 16 bits */ -- iq_res[idx+1] = 0xffff & REG_READ(ah, -- chan_info_tab[i] + -- offset); -- -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "IQ RES[%d]=0x%x IQ_RES[%d]=0x%x\n", -- idx, iq_res[idx], idx+1, iq_res[idx+1]); -- } -- -- if (!ar9003_hw_calc_iq_corr(ah, i, iq_res, -- coeff.iqc_coeff)) { -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "Failed in calculation of IQ correction.\n"); -- goto TX_IQ_CAL_FAILED; -- } -- coeff.mag_coeff[i][im][ip] = -- coeff.iqc_coeff[0] & 0x7f; -- coeff.phs_coeff[i][im][ip] = -- (coeff.iqc_coeff[0] >> 7) & 0x7f; -- -- if (coeff.mag_coeff[i][im][ip] > 63) -- coeff.mag_coeff[i][im][ip] -= 128; -- if (coeff.phs_coeff[i][im][ip] > 63) -- coeff.phs_coeff[i][im][ip] -= 128; -- -- } ++ if (sc->ps_idle) ++ ath_cancel_work(sc); + } + + /* +@@ -1678,7 +1634,6 @@ static int ath9k_config(struct ieee80211 + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + struct ieee80211_channel *curchan = hw->conf.channel; +- struct ath9k_channel old_chan; + int pos = curchan->hw_value; + int old_pos = -1; + unsigned long flags; +@@ -1704,11 +1659,8 @@ static int ath9k_config(struct ieee80211 + * Preserve the current channel values, before updating + * the same channel + */ +- if (old_pos == pos) { +- memcpy(&old_chan, &sc->sc_ah->channels[pos], +- sizeof(struct ath9k_channel)); +- ah->curchan = &old_chan; - } ++ if (ah->curchan && (old_pos == pos)) ++ ath9k_hw_getnf(ah, ah->curchan); + + ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos], + curchan, conf->channel_type); +@@ -1752,18 +1704,12 @@ static int ath9k_config(struct ieee80211 + ath_dbg(common, ATH_DBG_CONFIG, + "Set power: %d\n", conf->power_level); + sc->config.txpowlimit = 2 * conf->power_level; +- ath9k_ps_wakeup(sc); + ath9k_cmn_update_txpow(ah, sc->curtxpow, + sc->config.txpowlimit, &sc->curtxpow); +- ath9k_ps_restore(sc); - } - -- ar9003_hw_tx_iqcal_load_avg_2_passes(ah, nchains, &coeff); +- if (disable_radio) { +- ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); +- ath_radio_disable(sc, hw); + } + + mutex_unlock(&sc->mutex); ++ ath9k_ps_restore(sc); + + return 0; + } +@@ -2331,9 +2277,6 @@ static void ath9k_flush(struct ieee80211 + return; + } + +- if (drop) +- timeout = 1; +- + for (j = 0; j < timeout; j++) { + bool npend = false; + +@@ -2351,21 +2294,22 @@ static void ath9k_flush(struct ieee80211 + } + + if (!npend) +- goto out; ++ break; + } + +- ath9k_ps_wakeup(sc); +- spin_lock_bh(&sc->sc_pcu_lock); +- drain_txq = ath_drain_all_txq(sc, false); +- spin_unlock_bh(&sc->sc_pcu_lock); ++ if (drop) { ++ ath9k_ps_wakeup(sc); ++ spin_lock_bh(&sc->sc_pcu_lock); ++ drain_txq = ath_drain_all_txq(sc, false); ++ spin_unlock_bh(&sc->sc_pcu_lock); + +- if (!drain_txq) +- ath_reset(sc, false); ++ if (!drain_txq) ++ ath_reset(sc, false); + +- ath9k_ps_restore(sc); +- ieee80211_wake_queues(hw); ++ ath9k_ps_restore(sc); ++ ieee80211_wake_queues(hw); ++ } + +-out: + ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0); + mutex_unlock(&sc->mutex); + } +--- a/drivers/net/wireless/ath/ath9k/pci.c ++++ b/drivers/net/wireless/ath/ath9k/pci.c +@@ -307,12 +307,11 @@ static int ath_pci_suspend(struct device + struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct ath_softc *sc = hw->priv; + +- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1); - -- return; + /* The device has to be moved to FULLSLEEP forcibly. + * Otherwise the chip never moved to full sleep, + * when no interface is up. + */ ++ ath9k_hw_disable(sc->sc_ah); + ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); + + return 0; +@@ -334,22 +333,6 @@ static int ath_pci_resume(struct device + if ((val & 0x0000ff00) != 0) + pci_write_config_dword(pdev, 0x40, val & 0xffff00ff); + +- ath9k_ps_wakeup(sc); +- /* Enable LED */ +- ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin, +- AR_GPIO_OUTPUT_MUX_AS_OUTPUT); +- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0); - --TX_IQ_CAL_FAILED: -- ath_dbg(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n"); --} +- /* +- * Reset key cache to sane defaults (all entries cleared) instead of +- * semi-random values after suspend/resume. +- */ +- ath9k_cmn_init_crypto(sc->sc_ah); +- ath9k_ps_restore(sc); - --static void ar9003_hw_tx_iq_cal_run(struct ath_hw *ah) --{ - u8 tx_gain_forced; - -- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1_9485, -- AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, DELPT); - tx_gain_forced = REG_READ_FIELD(ah, AR_PHY_TX_FORCED_GAIN, - AR_PHY_TXGAIN_FORCE); - if (tx_gain_forced) - REG_RMW_FIELD(ah, AR_PHY_TX_FORCED_GAIN, - AR_PHY_TXGAIN_FORCE, 0); - -- REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_START_9485, -- AR_PHY_TX_IQCAL_START_DO_CAL_9485, 1); -+ REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_START, -+ AR_PHY_TX_IQCAL_START_DO_CAL, 1); -+ -+ if (!ath9k_hw_wait(ah, AR_PHY_TX_IQCAL_START, -+ AR_PHY_TX_IQCAL_START_DO_CAL, 0, -+ AH_WAIT_TIMEOUT)) { -+ ath_dbg(common, ATH_DBG_CALIBRATE, -+ "Tx IQ Cal is not completed.\n"); -+ return false; +- sc->ps_idle = true; +- ath_radio_disable(sc, hw); +- + return 0; + } + +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s + skb_pull(skb, padsize); + } + +- if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) { ++ if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) { + sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK; + ath_dbg(common, ATH_DBG_PS, + "Going back to sleep after having received TX status (0x%lx)\n", +--- a/include/linux/nl80211.h ++++ b/include/linux/nl80211.h +@@ -2785,9 +2785,11 @@ enum nl80211_ap_sme_features { + * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back + * TX status to the socket error queue when requested with the + * socket option. ++ * @NL80211_FEATURE_HT_IBSS: This driver supports IBSS with HT datarates. + */ + enum nl80211_feature_flags { + NL80211_FEATURE_SK_TX_STATUS = 1 << 0, ++ NL80211_FEATURE_HT_IBSS = 1 << 1, + }; + + /** +--- a/include/net/cfg80211.h ++++ b/include/net/cfg80211.h +@@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params { + u8 *ssid; + u8 *bssid; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + u8 *ie; + u8 ssid_len, ie_len; + u16 beacon_interval; +@@ -3270,6 +3271,16 @@ void cfg80211_report_obss_beacon(struct + const u8 *frame, size_t len, + int freq, gfp_t gfp); + ++/* ++ * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used ++ * @wiphy: the wiphy ++ * @chan: main channel ++ * @channel_type: HT mode ++ */ ++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type); ++ + /* Logging, debugging and troubleshooting/diagnostic helpers. */ + + /* wiphy_printk helpers, similar to dev_printk */ +--- a/net/mac80211/agg-rx.c ++++ b/net/mac80211/agg-rx.c +@@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st + 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); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); ++ else if (sdata->vif.type == NL80211_IFTYPE_WDS) ++ memcpy(mgmt->bssid, da, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/agg-tx.c ++++ b/net/mac80211/agg-tx.c +@@ -55,6 +55,8 @@ + * @ampdu_action function will be called with the action + * %IEEE80211_AMPDU_TX_STOP. In this case, the call must not fail, + * and the driver must later call ieee80211_stop_tx_ba_cb_irqsafe(). ++ * Note that the sta can get destroyed before the BA tear down is ++ * complete. + */ + + static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, +@@ -79,10 +81,13 @@ static void ieee80211_send_addba_request + memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); + if (sdata->vif.type == NL80211_IFTYPE_AP || + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || +- sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT || ++ sdata->vif.type == NL80211_IFTYPE_WDS) + 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); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); + + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +@@ -319,6 +324,38 @@ ieee80211_wake_queue_agg(struct ieee8021 + __release(agg_queue); + } + ++/* ++ * splice packets from the STA's pending to the local pending, ++ * requires a call to ieee80211_agg_splice_finish later ++ */ ++static void __acquires(agg_queue) ++ieee80211_agg_splice_packets(struct ieee80211_local *local, ++ struct tid_ampdu_tx *tid_tx, u16 tid) ++{ ++ int queue = ieee80211_ac_from_tid(tid); ++ unsigned long flags; ++ ++ ieee80211_stop_queue_agg(local, tid); ++ ++ if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" ++ " from the pending queue\n", tid)) ++ return; ++ ++ if (!skb_queue_empty(&tid_tx->pending)) { ++ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); ++ /* copy over remaining packets */ ++ skb_queue_splice_tail_init(&tid_tx->pending, ++ &local->pending[queue]); ++ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + } -+ return true; ++} ++ ++static void __releases(agg_queue) ++ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) ++{ ++ ieee80211_wake_queue_agg(local, tid); ++} ++ + void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) + { + struct tid_ampdu_tx *tid_tx; +@@ -330,19 +367,17 @@ void ieee80211_tx_ba_session_handle_star + tid_tx = rcu_dereference_protected_tid_tx(sta, tid); + + /* +- * While we're asking the driver about the aggregation, +- * stop the AC queue so that we don't have to worry +- * about frames that came in while we were doing that, +- * which would require us to put them to the AC pending +- * afterwards which just makes the code more complex. ++ * Start queuing up packets for this aggregation session. ++ * We're going to release them once the driver is OK with ++ * that. + */ +- ieee80211_stop_queue_agg(local, tid); +- + clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); + + /* +- * make sure no packets are being processed to get +- * valid starting sequence number ++ * Make sure no packets are being processed. This ensures that ++ * we have a valid starting sequence number and that in-flight ++ * packets have been flushed out and no packets for this TID ++ * will go into the driver during the ampdu_action call. + */ + synchronize_net(); + +@@ -356,10 +391,11 @@ void ieee80211_tx_ba_session_handle_star + " tid %d\n", tid); + #endif + spin_lock_bh(&sta->lock); ++ ieee80211_agg_splice_packets(local, tid_tx, tid); + ieee80211_assign_tid_tx(sta, tid, NULL); ++ ieee80211_agg_splice_finish(local, tid); + spin_unlock_bh(&sta->lock); + +- ieee80211_wake_queue_agg(local, tid); + #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,40)) + kfree_rcu(tid_tx, rcu_head); + #else +@@ -368,9 +404,6 @@ void ieee80211_tx_ba_session_handle_star + return; + } + +- /* we can take packets again now */ +- ieee80211_wake_queue_agg(local, tid); +- + /* activate the timer for the recipient's addBA response */ + mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); + #ifdef CONFIG_MAC80211_HT_DEBUG +@@ -437,7 +470,9 @@ int ieee80211_start_tx_ba_session(struct + if (sdata->vif.type != NL80211_IFTYPE_STATION && + 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_AP && ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) + return -EINVAL; + + if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { +@@ -448,6 +483,27 @@ int ieee80211_start_tx_ba_session(struct + return -EINVAL; + } + ++ /* ++ * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a ++ * member of an IBSS, and has no other existing Block Ack agreement ++ * with the recipient STA, then the initiating STA shall transmit a ++ * Probe Request frame to the recipient STA and shall not transmit an ++ * ADDBA Request frame unless it receives a Probe Response frame ++ * from the recipient within dot11ADDBAFailureTimeout. ++ * ++ * The probe request mechanism for ADDBA is currently not implemented, ++ * but we only build up Block Ack session with HT STAs. This information ++ * is set when we receive a bss info from a probe response or a beacon. ++ */ ++ if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC && ++ !sta->sta.ht_cap.ht_supported) { ++#ifdef CONFIG_MAC80211_HT_DEBUG ++ printk(KERN_DEBUG "BA request denied - IBSS STA %pM" ++ "does not advertise HT support\n", pubsta->addr); ++#endif /* CONFIG_MAC80211_HT_DEBUG */ ++ return -EINVAL; ++ } ++ + spin_lock_bh(&sta->lock); + + /* we have tried too many times, receiver does not want A-MPDU */ +@@ -508,38 +564,6 @@ int ieee80211_start_tx_ba_session(struct } + EXPORT_SYMBOL(ieee80211_start_tx_ba_session); - static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah) +-/* +- * splice packets from the STA's pending to the local pending, +- * requires a call to ieee80211_agg_splice_finish later +- */ +-static void __acquires(agg_queue) +-ieee80211_agg_splice_packets(struct ieee80211_local *local, +- struct tid_ampdu_tx *tid_tx, u16 tid) +-{ +- int queue = ieee80211_ac_from_tid(tid); +- unsigned long flags; +- +- ieee80211_stop_queue_agg(local, tid); +- +- if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" +- " from the pending queue\n", tid)) +- return; +- +- if (!skb_queue_empty(&tid_tx->pending)) { +- spin_lock_irqsave(&local->queue_stop_reason_lock, flags); +- /* copy over remaining packets */ +- skb_queue_splice_tail_init(&tid_tx->pending, +- &local->pending[queue]); +- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); +- } +-} +- +-static void __releases(agg_queue) +-ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid) +-{ +- ieee80211_wake_queue_agg(local, tid); +-} +- + static void ieee80211_agg_tx_operational(struct ieee80211_local *local, + struct sta_info *sta, u16 tid) { - struct ath_common *common = ath9k_hw_common(ah); - const u32 txiqcal_status[AR9300_MAX_CHAINS] = { -- AR_PHY_TX_IQCAL_STATUS_B0_9485, -+ AR_PHY_TX_IQCAL_STATUS_B0, - AR_PHY_TX_IQCAL_STATUS_B1, - AR_PHY_TX_IQCAL_STATUS_B2, - }; -@@ -853,7 +752,7 @@ static void ar9003_hw_tx_iq_cal_post_pro - struct coeff coeff; - s32 iq_res[6]; - u8 num_chains = 0; -- int i, ip, im, j; -+ int i, im, j; - int nmeasurement; - - for (i = 0; i < AR9300_MAX_CHAINS; i++) { -@@ -861,71 +760,69 @@ static void ar9003_hw_tx_iq_cal_post_pro - num_chains++; +--- a/net/mac80211/debugfs_sta.c ++++ b/net/mac80211/debugfs_sta.c +@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil + test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" + + int res = scnprintf(buf, sizeof(buf), +- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", ++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + TEST(AUTH), TEST(ASSOC), TEST(PS_STA), + TEST(PS_DRIVER), TEST(AUTHORIZED), + TEST(SHORT_PREAMBLE), +- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT), ++ TEST(WME), TEST(CLEAR_PS_FILT), + TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), + TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), + TEST(TDLS_PEER_AUTH)); +--- a/net/mac80211/ht.c ++++ b/net/mac80211/ht.c +@@ -47,7 +47,9 @@ void ieee80211_apply_htcap_overrides(str + int i; + + if (sdata->vif.type != NL80211_IFTYPE_STATION) { +- WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); ++ /* AP interfaces call this code when adding new stations, ++ * so just silently ignore non station interfaces. ++ */ + return; } -- for (ip = 0; ip < MPASS; ip++) { -- for (i = 0; i < num_chains; i++) { -- nmeasurement = REG_READ_FIELD(ah, -- AR_PHY_TX_IQCAL_STATUS_B0_9485, -- AR_PHY_CALIBRATED_GAINS_0); -- if (nmeasurement > MAX_MEASUREMENT) -- nmeasurement = MAX_MEASUREMENT; -+ for (i = 0; i < num_chains; i++) { -+ nmeasurement = REG_READ_FIELD(ah, -+ AR_PHY_TX_IQCAL_STATUS_B0, -+ AR_PHY_CALIBRATED_GAINS_0); -+ if (nmeasurement > MAX_MEASUREMENT) -+ nmeasurement = MAX_MEASUREMENT; -+ -+ for (im = 0; im < nmeasurement; im++) { -+ ath_dbg(common, ATH_DBG_CALIBRATE, -+ "Doing Tx IQ Cal for chain %d.\n", i); - -- for (im = 0; im < nmeasurement; im++) { -+ if (REG_READ(ah, txiqcal_status[i]) & -+ AR_PHY_TX_IQCAL_STATUS_FAILED) { - ath_dbg(common, ATH_DBG_CALIBRATE, -- "Doing Tx IQ Cal for chain %d.\n", i); -- -- if (REG_READ(ah, txiqcal_status[i]) & -- AR_PHY_TX_IQCAL_STATUS_FAILED) { -- ath_dbg(common, ATH_DBG_CALIBRATE, - "Tx IQ Cal failed for chain %d.\n", i); -- goto tx_iqcal_fail; -- } -+ goto tx_iqcal_fail; -+ } +@@ -282,6 +284,8 @@ void ieee80211_send_delba(struct ieee802 + 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); ++ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) ++ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN); -- for (j = 0; j < 3; j++) { -- u32 idx = 2 * j, offset = 4 * (3 * im + j); -+ for (j = 0; j < 3; j++) { -+ u32 idx = 2 * j, offset = 4 * (3 * im + j); - -- REG_RMW_FIELD(ah, -+ REG_RMW_FIELD(ah, - AR_PHY_CHAN_INFO_MEMORY, - AR_PHY_CHAN_INFO_TAB_S2_READ, - 0); - -- /* 32 bits */ -- iq_res[idx] = REG_READ(ah, -- chan_info_tab[i] + -- offset); -+ /* 32 bits */ -+ iq_res[idx] = REG_READ(ah, -+ chan_info_tab[i] + -+ offset); - -- REG_RMW_FIELD(ah, -+ REG_RMW_FIELD(ah, - AR_PHY_CHAN_INFO_MEMORY, - AR_PHY_CHAN_INFO_TAB_S2_READ, - 1); - -- /* 16 bits */ -- iq_res[idx + 1] = 0xffff & REG_READ(ah, -- chan_info_tab[i] + offset); -- -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "IQ RES[%d]=0x%x" -- "IQ_RES[%d]=0x%x\n", -- idx, iq_res[idx], idx + 1, -- iq_res[idx + 1]); -- } -+ /* 16 bits */ -+ iq_res[idx + 1] = 0xffff & REG_READ(ah, -+ chan_info_tab[i] + offset); - -- if (!ar9003_hw_calc_iq_corr(ah, i, iq_res, -- coeff.iqc_coeff)) { -- ath_dbg(common, ATH_DBG_CALIBRATE, -- "Failed in calculation of IQ correction.\n"); -- goto tx_iqcal_fail; -- } -+ ath_dbg(common, ATH_DBG_CALIBRATE, -+ "IQ RES[%d]=0x%x" -+ "IQ_RES[%d]=0x%x\n", -+ idx, iq_res[idx], idx + 1, -+ iq_res[idx + 1]); -+ } + mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_ACTION); +--- a/net/mac80211/ibss.c ++++ b/net/mac80211/ibss.c +@@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st + struct cfg80211_bss *bss; + u32 bss_change; + u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; ++ enum nl80211_channel_type channel_type; -- coeff.mag_coeff[i][im][ip] = -- coeff.iqc_coeff[0] & 0x7f; -- coeff.phs_coeff[i][im][ip] = -- (coeff.iqc_coeff[0] >> 7) & 0x7f; -- -- if (coeff.mag_coeff[i][im][ip] > 63) -- coeff.mag_coeff[i][im][ip] -= 128; -- if (coeff.phs_coeff[i][im][ip] > 63) -- coeff.phs_coeff[i][im][ip] -= 128; -+ if (!ar9003_hw_calc_iq_corr(ah, i, iq_res, -+ coeff.iqc_coeff)) { -+ ath_dbg(common, ATH_DBG_CALIBRATE, -+ "Failed in calculation of \ -+ IQ correction.\n"); -+ goto tx_iqcal_fail; - } -+ -+ coeff.mag_coeff[i][im] = coeff.iqc_coeff[0] & 0x7f; -+ coeff.phs_coeff[i][im] = -+ (coeff.iqc_coeff[0] >> 7) & 0x7f; -+ -+ if (coeff.mag_coeff[i][im] > 63) -+ coeff.mag_coeff[i][im] -= 128; -+ if (coeff.phs_coeff[i][im] > 63) -+ coeff.phs_coeff[i][im] -= 128; - } + lockdep_assert_held(&ifibss->mtx); + +@@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st + + sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0; + +- local->oper_channel = chan; +- WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT)); ++ channel_type = ifibss->channel_type; ++ if (channel_type > NL80211_CHAN_HT20 && ++ !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type)) ++ channel_type = NL80211_CHAN_HT20; ++ if (!ieee80211_set_channel_type(local, sdata, channel_type)) { ++ /* can only fail due to HT40+/- mismatch */ ++ channel_type = NL80211_CHAN_HT20; ++ WARN_ON(!ieee80211_set_channel_type(local, sdata, ++ NL80211_CHAN_HT20)); ++ } + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + sband = local->hw.wiphy->bands[chan->band]; +@@ -172,6 +181,19 @@ static void __ieee80211_sta_join_ibss(st + memcpy(skb_put(skb, ifibss->ie_len), + ifibss->ie, ifibss->ie_len); + ++ /* add HT capability and information IEs */ ++ if (channel_type && sband->ht_cap.ht_supported) { ++ pos = skb_put(skb, 4 + ++ sizeof(struct ieee80211_ht_cap) + ++ sizeof(struct ieee80211_ht_info)); ++ pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap, ++ sband->ht_cap.cap); ++ pos = ieee80211_ie_build_ht_info(pos, ++ &sband->ht_cap, ++ chan, ++ channel_type); ++ } ++ + if (local->hw.queues >= 4) { + pos = skb_put(skb, 9); + *pos++ = WLAN_EID_VENDOR_SPECIFIC; +@@ -195,6 +217,7 @@ static void __ieee80211_sta_join_ibss(st + bss_change |= BSS_CHANGED_BEACON; + bss_change |= BSS_CHANGED_BEACON_ENABLED; + bss_change |= BSS_CHANGED_BASIC_RATES; ++ bss_change |= BSS_CHANGED_HT; + bss_change |= BSS_CHANGED_IBSS; + sdata->vif.bss_conf.ibss_joined = true; + ieee80211_bss_info_change_notify(sdata, bss_change); +@@ -268,6 +291,8 @@ static void ieee80211_rx_bss_info(struct + u64 beacon_timestamp, rx_timestamp; + u32 supp_rates = 0; + enum ieee80211_band band = rx_status->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; ++ bool rates_updated = false; + + if (elems->ds_params && elems->ds_params_len == 1) + freq = ieee80211_channel_to_frequency(elems->ds_params[0], +@@ -307,7 +332,7 @@ static void ieee80211_rx_bss_info(struct + prev_rates, + sta->sta.supp_rates[band]); + #endif +- rate_control_rate_init(sta); ++ rates_updated = true; + } + } else + sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid, +@@ -318,6 +343,39 @@ static void ieee80211_rx_bss_info(struct + if (sta && elems->wmm_info) + set_sta_flag(sta, WLAN_STA_WME); + ++ if (sta && elems->ht_info_elem && elems->ht_cap_elem && ++ sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) { ++ /* we both use HT */ ++ struct ieee80211_sta_ht_cap sta_ht_cap_new; ++ enum nl80211_channel_type channel_type = ++ ieee80211_ht_info_to_channel_type( ++ elems->ht_info_elem); ++ ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, ++ elems->ht_cap_elem, ++ &sta_ht_cap_new); ++ ++ /* ++ * fall back to HT20 if we don't use or use ++ * the other extension channel ++ */ ++ if ((channel_type == NL80211_CHAN_HT40MINUS || ++ channel_type == NL80211_CHAN_HT40PLUS) && ++ channel_type != sdata->u.ibss.channel_type) ++ sta_ht_cap_new.cap &= ++ ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ ++ if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new))) { ++ memcpy(&sta->sta.ht_cap, &sta_ht_cap_new, ++ sizeof(sta_ht_cap_new)); ++ rates_updated = true; ++ } ++ } ++ ++ if (sta && rates_updated) ++ rate_control_rate_init(sta); ++ + rcu_read_unlock(); } - ar9003_hw_tx_iqcal_load_avg_2_passes(ah, num_chains, &coeff); -@@ -941,6 +838,7 @@ static bool ar9003_hw_init_cal(struct at + +@@ -896,12 +954,18 @@ int ieee80211_ibss_join(struct ieee80211 + struct cfg80211_ibss_params *params) { - struct ath_common *common = ath9k_hw_common(ah); - int val; -+ bool txiqcal_done = false; - - val = REG_READ(ah, AR_ENT_OTP); - ath_dbg(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val); -@@ -957,14 +855,22 @@ static bool ar9003_hw_init_cal(struct at - ar9003_hw_set_chain_masks(ah, 0x7, 0x7); - - /* Do Tx IQ Calibration */ -- if (AR_SREV_9485(ah)) -- ar9003_hw_tx_iq_cal_run(ah); -- else -- ar9003_hw_tx_iq_cal(ah); -+ REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1, -+ AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, -+ DELPT); - -- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS); -- udelay(5); -- REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN); + struct sk_buff *skb; ++ u32 changed = 0; + + skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom + +- 36 /* bitrates */ + +- 34 /* SSID */ + +- 3 /* DS params */ + +- 4 /* IBSS params */ + ++ sizeof(struct ieee80211_hdr_3addr) + ++ 12 /* struct ieee80211_mgmt.u.beacon */ + ++ 2 + IEEE80211_MAX_SSID_LEN /* max SSID */ + ++ 2 + 8 /* max Supported Rates */ + ++ 3 /* max DS params */ + ++ 4 /* IBSS params */ + ++ 2 + (IEEE80211_MAX_SUPP_RATES - 8) + ++ 2 + sizeof(struct ieee80211_ht_cap) + ++ 2 + sizeof(struct ieee80211_ht_info) + + params->ie_len); + if (!skb) + return -ENOMEM; +@@ -922,13 +986,15 @@ int ieee80211_ibss_join(struct ieee80211 + sdata->vif.bss_conf.beacon_int = params->beacon_interval; + + sdata->u.ibss.channel = params->channel; ++ sdata->u.ibss.channel_type = params->channel_type; + sdata->u.ibss.fixed_channel = params->channel_fixed; + + /* fix ourselves to that channel now already */ + if (params->channel_fixed) { + sdata->local->oper_channel = params->channel; +- WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata, +- NL80211_CHAN_NO_HT)); ++ if (!ieee80211_set_channel_type(sdata->local, sdata, ++ params->channel_type)) ++ return -EINVAL; + } + + if (params->ie) { +@@ -951,6 +1017,23 @@ int ieee80211_ibss_join(struct ieee80211 + ieee80211_recalc_idle(sdata->local); + mutex_unlock(&sdata->local->mtx); + + /* -+ * For AR9485 or later chips, TxIQ cal runs as part of -+ * AGC calibration ++ * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is ++ * reserved, but an HT STA shall protect HT transmissions as though ++ * the HT Protection field were set to non-HT mixed mode. ++ * ++ * In an IBSS, the RIFS Mode field of the HT Operation element is ++ * also reserved, but an HT STA shall operate as though this field ++ * were set to 1. + */ -+ if (AR_SREV_9485_OR_LATER(ah)) -+ txiqcal_done = true; -+ else { -+ 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); ++ ++ sdata->vif.bss_conf.ht_operation_mode |= ++ IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED ++ | IEEE80211_HT_PARAM_RIFS_MODE; ++ ++ changed |= BSS_CHANGED_HT; ++ ieee80211_bss_info_change_notify(sdata, changed); ++ + ieee80211_queue_work(&sdata->local->hw, &sdata->work); + + return 0; +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -474,6 +474,7 @@ struct ieee80211_if_ibss { + u8 ssid_len, ie_len; + u8 *ie; + struct ieee80211_channel *channel; ++ enum nl80211_channel_type channel_type; + + unsigned long ibss_join_req; + /* probe response/beacon for IBSS */ +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -178,7 +178,6 @@ 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; +- struct sta_info *sta; + u32 changed = 0; + int res; + u32 hw_reconf_flags = 0; +@@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_ + + set_bit(SDATA_STATE_RUNNING, &sdata->state); + +- if (sdata->vif.type == NL80211_IFTYPE_WDS) { +- /* Create STA entry for the WDS peer */ +- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr, +- GFP_KERNEL); +- if (!sta) { +- res = -ENOMEM; +- goto err_del_interface; +- } +- +- /* no atomic bitop required since STA is not live yet */ +- set_sta_flag(sta, WLAN_STA_AUTHORIZED); +- +- res = sta_info_insert(sta); +- if (res) { +- /* STA has been freed */ +- goto err_del_interface; +- } +- +- rate_control_rate_init(sta); +- } +- + /* + * set_multicast_list will be invoked by the networking core + * which will check whether any increments here were done in +@@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_ + netif_tx_start_all_queues(dev); + + return 0; +- err_del_interface: +- drv_remove_interface(local, sdata); ++ + err_stop: + if (!local->open_count) + drv_stop(local); +@@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne + dev->destructor = free_netdev; + } + ++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, ++ struct sk_buff *skb) ++{ ++ struct ieee80211_local *local = sdata->local; ++ struct ieee80211_rx_status *rx_status; ++ struct ieee802_11_elems elems; ++ struct ieee80211_mgmt *mgmt; ++ struct sta_info *sta; ++ size_t baselen; ++ u32 rates = 0; ++ u16 stype; ++ bool new = false; ++ enum ieee80211_band band = local->hw.conf.channel->band; ++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band]; ++ ++ rx_status = IEEE80211_SKB_RXCB(skb); ++ mgmt = (struct ieee80211_mgmt *) skb->data; ++ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; ++ ++ if (stype != IEEE80211_STYPE_BEACON) ++ return; ++ ++ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt; ++ if (baselen > skb->len) ++ return; ++ ++ ieee802_11_parse_elems(mgmt->u.probe_resp.variable, ++ skb->len - baselen, &elems); ++ ++ rates = ieee80211_sta_get_rates(local, &elems, band); ++ ++ rcu_read_lock(); ++ ++ sta = sta_info_get(sdata, sdata->u.wds.remote_addr); ++ ++ if (!sta) { ++ rcu_read_unlock(); ++ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr, ++ GFP_KERNEL); ++ if (!sta) ++ return; ++ ++ new = true; + } ++ ++ sta->last_rx = jiffies; ++ sta->sta.supp_rates[local->hw.conf.channel->band] = rates; ++ ++ if (elems.ht_cap_elem) ++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, ++ elems.ht_cap_elem, &sta->sta.ht_cap); ++ ++ if (elems.wmm_param) ++ set_sta_flag(sta, WLAN_STA_WME); ++ ++ if (new) { ++ set_sta_flag(sta, WLAN_STA_AUTHORIZED); ++ rate_control_rate_init(sta); ++ sta_info_insert_rcu(sta); ++ } ++ ++ rcu_read_unlock(); ++} ++ + static void ieee80211_iface_work(struct work_struct *work) + { + struct ieee80211_sub_if_data *sdata = +@@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct + break; + ieee80211_mesh_rx_queued_mgmt(sdata, skb); + break; ++ case NL80211_IFTYPE_WDS: ++ ieee80211_wds_rx_queued_mgmt(sdata, skb); ++ break; + default: + WARN(1, "frame for unexpected interface type"); + break; +--- a/net/mac80211/main.c ++++ b/net/mac80211/main.c +@@ -574,7 +574,8 @@ struct ieee80211_hw *ieee80211_alloc_hw( + WIPHY_FLAG_OFFCHAN_TX | + WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; - /* Calibrate the AGC */ - REG_WRITE(ah, AR_PHY_AGC_CONTROL, -@@ -979,7 +885,7 @@ static bool ar9003_hw_init_cal(struct at - return false; - } +- wiphy->features = NL80211_FEATURE_SK_TX_STATUS; ++ wiphy->features = NL80211_FEATURE_SK_TX_STATUS | ++ NL80211_FEATURE_HT_IBSS; -- if (AR_SREV_9485(ah)) -+ if (txiqcal_done) - ar9003_hw_tx_iq_cal_post_proc(ah); - - /* Revert chainmasks to their original values before NF cal */ ---- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h -+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h -@@ -548,15 +548,12 @@ - - #define AR_PHY_TXGAIN_TABLE (AR_SM_BASE + 0x300) - --#define AR_PHY_TX_IQCAL_START_9485 (AR_SM_BASE + 0x3c4) --#define AR_PHY_TX_IQCAL_START_DO_CAL_9485 0x80000000 --#define AR_PHY_TX_IQCAL_START_DO_CAL_9485_S 31 --#define AR_PHY_TX_IQCAL_CONTROL_1_9485 (AR_SM_BASE + 0x3c8) --#define AR_PHY_TX_IQCAL_STATUS_B0_9485 (AR_SM_BASE + 0x3f0) -- --#define AR_PHY_TX_IQCAL_CONTROL_1 (AR_SM_BASE + 0x448) --#define AR_PHY_TX_IQCAL_START (AR_SM_BASE + 0x440) --#define AR_PHY_TX_IQCAL_STATUS_B0 (AR_SM_BASE + 0x48c) -+#define AR_PHY_TX_IQCAL_CONTROL_1 (AR_SM_BASE + AR_SREV_9485(ah) ? \ -+ 0x3c8 : 0x448) -+#define AR_PHY_TX_IQCAL_START (AR_SM_BASE + AR_SREV_9485(ah) ? \ -+ 0x3c4 : 0x440) -+#define AR_PHY_TX_IQCAL_STATUS_B0 (AR_SM_BASE + AR_SREV_9485(ah) ? \ -+ 0x3f0 : 0x48c) - #define AR_PHY_TX_IQCAL_CORR_COEFF_B0(_i) (AR_SM_BASE + \ - (AR_SREV_9485(ah) ? \ - 0x3d0 : 0x450) + ((_i) << 2)) -@@ -758,10 +755,10 @@ - #define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT 0x01000000 - #define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S 24 - #define AR_PHY_CHANNEL_STATUS_RX_CLEAR 0x00000004 --#define AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT 0x01fc0000 --#define AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT_S 18 --#define AR_PHY_TX_IQCAL_START_DO_CAL 0x00000001 --#define AR_PHY_TX_IQCAL_START_DO_CAL_S 0 -+#define AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT 0x01fc0000 -+#define AR_PHY_TX_IQCAL_CONTROL_1_IQCORR_I_Q_COFF_DELPT_S 18 -+#define AR_PHY_TX_IQCAL_START_DO_CAL 0x00000001 -+#define AR_PHY_TX_IQCAL_START_DO_CAL_S 0 - - #define AR_PHY_TX_IQCAL_STATUS_FAILED 0x00000001 - #define AR_PHY_CALIBRATED_GAINS_0 0x3e ---- a/drivers/net/wireless/ath/ath9k/ath9k.h -+++ b/drivers/net/wireless/ath/ath9k/ath9k.h -@@ -453,6 +453,7 @@ void ath9k_btcoex_timer_pause(struct ath - - #define ATH_LED_PIN_DEF 1 - #define ATH_LED_PIN_9287 8 -+#define ATH_LED_PIN_9300 10 - #define ATH_LED_PIN_9485 6 - - #ifdef CONFIG_MAC80211_LEDS ---- a/drivers/net/wireless/ath/ath9k/gpio.c -+++ b/drivers/net/wireless/ath/ath9k/gpio.c -@@ -46,6 +46,8 @@ void ath_init_leds(struct ath_softc *sc) - sc->sc_ah->led_pin = ATH_LED_PIN_9287; - else if (AR_SREV_9485(sc->sc_ah)) - sc->sc_ah->led_pin = ATH_LED_PIN_9485; -+ else if (AR_SREV_9300(sc->sc_ah)) -+ sc->sc_ah->led_pin = ATH_LED_PIN_9300; - else - sc->sc_ah->led_pin = ATH_LED_PIN_DEF; - } ---- a/drivers/net/wireless/ath/ath9k/reg.h -+++ b/drivers/net/wireless/ath/ath9k/reg.h -@@ -868,6 +868,8 @@ - #define AR_SREV_9485_11(_ah) \ - (AR_SREV_9485(_ah) && \ - ((_ah)->hw_version.macRev == AR_SREV_REVISION_9485_11)) -+#define AR_SREV_9485_OR_LATER(_ah) \ -+ (((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9485)) - - #define AR_SREV_9285E_20(_ah) \ - (AR_SREV_9285_12_OR_LATER(_ah) && \ + if (!ops->set_key) + wiphy->flags |= WIPHY_FLAG_IBSS_RSN; --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c -@@ -652,7 +652,7 @@ static void ieee80211_sta_reorder_releas - set_release_timer: - - mod_timer(&tid_agg_rx->reorder_timer, -- tid_agg_rx->reorder_time[j] + -+ tid_agg_rx->reorder_time[j] + 1 + - HT_RX_REORDER_BUF_TIMEOUT); - } else { - del_timer(&tid_agg_rx->reorder_timer); ---- a/drivers/net/wireless/ath/ath9k/calib.c -+++ b/drivers/net/wireless/ath/ath9k/calib.c -@@ -69,15 +69,21 @@ static void ath9k_hw_update_nfcal_hist_b - int16_t *nfarray) +@@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r + if (sdata->vif.type != NL80211_IFTYPE_STATION && + 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_AP && ++ sdata->vif.type != NL80211_IFTYPE_WDS && ++ sdata->vif.type != NL80211_IFTYPE_ADHOC) + break; + + /* verify action_code is present */ +@@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_ + + if (!ieee80211_vif_is_mesh(&sdata->vif) && + sdata->vif.type != NL80211_IFTYPE_ADHOC && +- sdata->vif.type != NL80211_IFTYPE_STATION) ++ sdata->vif.type != NL80211_IFTYPE_STATION && ++ sdata->vif.type != NL80211_IFTYPE_WDS) + return RX_DROP_MONITOR; + + switch (stype) { + case cpu_to_le16(IEEE80211_STYPE_BEACON): + case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): +- /* process for all: mesh, mlme, ibss */ ++ /* process for all: mesh, mlme, ibss, wds */ + break; + case cpu_to_le16(IEEE80211_STYPE_DEAUTH): + case cpu_to_le16(IEEE80211_STYPE_DISASSOC): +@@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i + return 0; + } else if (!ieee80211_bssid_match(bssid, + sdata->vif.addr)) { ++ /* ++ * Accept public action frames even when the ++ * BSSID doesn't match, this is used for P2P ++ * and location updates. Note that mac80211 ++ * itself never looks at these frames. ++ */ + if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && +- !ieee80211_is_beacon(hdr->frame_control) && +- !(ieee80211_is_action(hdr->frame_control) && +- sdata->vif.p2p)) ++ ieee80211_is_public_action(hdr, skb->len)) ++ return 1; ++ if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && ++ !ieee80211_is_beacon(hdr->frame_control)) + return 0; + status->rx_flags &= ~IEEE80211_RX_RA_MATCH; + } + break; + case NL80211_IFTYPE_WDS: +- if (bssid || !ieee80211_is_data(hdr->frame_control)) +- return 0; + if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2)) + return 0; ++ ++ if (ieee80211_is_data(hdr->frame_control) || ++ ieee80211_is_action(hdr->frame_control)) { ++ if (compare_ether_addr(sdata->vif.addr, hdr->addr1)) ++ return 0; ++ } else if (!ieee80211_is_beacon(hdr->frame_control)) ++ return 0; ++ + break; + default: + /* should never get here */ +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -31,7 +31,6 @@ + * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble + * frames. + * @WLAN_STA_WME: Station is a QoS-STA. +- * @WLAN_STA_WDS: Station is one of our WDS peers. + * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the + * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next + * frame to this station is transmitted. +@@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags { + WLAN_STA_AUTHORIZED, + WLAN_STA_SHORT_PREAMBLE, + WLAN_STA_WME, +- WLAN_STA_WDS, + WLAN_STA_CLEAR_PS_FILT, + WLAN_STA_MFP, + WLAN_STA_BLOCK_BA, +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos, + } + if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) + ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; ++ ++ /* ++ * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and ++ * RIFS Mode are reserved in IBSS mode, therefore keep them at 0 ++ */ + ht_info->operation_mode = 0x0000; + ht_info->stbc_param = 0x0000; + +--- a/net/wireless/chan.c ++++ b/net/wireless/chan.c +@@ -6,6 +6,7 @@ + * Copyright 2009 Johannes Berg + */ + ++#include + #include + #include "core.h" + +@@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist + return chan; + } + +-static bool can_beacon_sec_chan(struct wiphy *wiphy, +- struct ieee80211_channel *chan, +- enum nl80211_channel_type channel_type) ++int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, ++ struct ieee80211_channel *chan, ++ enum nl80211_channel_type channel_type) { - struct ath_common *common = ath9k_hw_common(ah); -+ struct ieee80211_conf *conf = &common->hw->conf; - struct ath_nf_limits *limit; - struct ath9k_nfcal_hist *h; - bool high_nf_mid = false; -+ u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; - int i; + struct ieee80211_channel *sec_chan; + int diff; +@@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w + + return true; + } ++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan); - h = cal->nfCalHist; - limit = ath9k_hw_get_nf_limits(ah, ah->curchan); + int cfg80211_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, int freq, +@@ -109,8 +111,8 @@ int cfg80211_set_freq(struct cfg80211_re + switch (channel_type) { + case NL80211_CHAN_HT40PLUS: + case NL80211_CHAN_HT40MINUS: +- if (!can_beacon_sec_chan(&rdev->wiphy, chan, +- channel_type)) { ++ if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan, ++ channel_type)) { + printk(KERN_DEBUG + "cfg80211: Secondary channel not " + "allowed to initiate communication\n"); +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -4684,13 +4684,41 @@ static int nl80211_join_ibss(struct sk_b + ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); + } - for (i = 0; i < NUM_NF_READINGS; i++) { -+ if (!(chainmask & (1 << i)) || -+ ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf))) +- ibss.channel = ieee80211_get_channel(wiphy, +- nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); ++ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { ++ enum nl80211_channel_type channel_type; ++ ++ channel_type = nla_get_u32( ++ info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); ++ if (channel_type != NL80211_CHAN_NO_HT && ++ channel_type != NL80211_CHAN_HT20 && ++ channel_type != NL80211_CHAN_HT40MINUS && ++ channel_type != NL80211_CHAN_HT40PLUS) ++ return -EINVAL; ++ ++ if (channel_type != NL80211_CHAN_NO_HT && ++ !(wiphy->features & NL80211_FEATURE_HT_IBSS)) ++ return -EINVAL; ++ ++ ibss.channel_type = channel_type; ++ } else { ++ ibss.channel_type = NL80211_CHAN_NO_HT; ++ } ++ ++ ibss.channel = rdev_freq_to_chan(rdev, ++ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]), ++ ibss.channel_type); + if (!ibss.channel || + ibss.channel->flags & IEEE80211_CHAN_NO_IBSS || + ibss.channel->flags & IEEE80211_CHAN_DISABLED) + return -EINVAL; + ++ /* Both channels should be able to initiate communication */ ++ if ((ibss.channel_type == NL80211_CHAN_HT40PLUS || ++ ibss.channel_type == NL80211_CHAN_HT40MINUS) && ++ !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel, ++ ibss.channel_type)) ++ return -EINVAL; ++ + ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; + ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; + +--- a/include/linux/ieee80211.h ++++ b/include/linux/ieee80211.h +@@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m + } + + /** ++ * ieee80211_is_public_action - check if frame is a public action frame ++ * @hdr: the frame ++ * @len: length of the frame ++ */ ++static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, ++ size_t len) ++{ ++ struct ieee80211_mgmt *mgmt = (void *)hdr; ++ ++ if (len < 25) ++ return false; ++ if (!ieee80211_is_action(hdr->frame_control)) ++ return false; ++ return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; ++} ++ ++/** + * ieee80211_fhss_chan_to_freq - get channel frequency + * @channel: the FHSS channel + * +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1332,8 +1332,11 @@ static int invoke_tx_handlers(struct iee + if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)) + CALL_TXH(ieee80211_tx_h_rate_ctrl); + +- if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) ++ if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) { ++ __skb_queue_tail(&tx->skbs, tx->skb); ++ tx->skb = NULL; + goto txh_done; ++ } + + CALL_TXH(ieee80211_tx_h_michael_mic_add); + CALL_TXH(ieee80211_tx_h_sequence); +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -851,6 +851,7 @@ static int __must_check __sta_info_destr + struct ieee80211_sub_if_data *sdata; + unsigned long flags; + int ret, i, ac; ++ struct tid_ampdu_tx *tid_tx; + + might_sleep(); + +@@ -949,6 +950,30 @@ static int __must_check __sta_info_destr + } + #endif + ++ /* There could be some memory leaks because of ampdu tx pending queue ++ * not being freed before destroying the station info. ++ * ++ * Make sure that such queues are purged before freeing the station ++ * info. ++ * TODO: We have to somehow postpone the full destruction ++ * until the aggregation stop completes. Refer ++ * http://thread.gmane.org/gmane.linux.kernel.wireless.general/81936 ++ */ ++ for (i = 0; i < STA_TID_NUM; i++) { ++ if (!sta->ampdu_mlme.tid_tx[i]) + continue; ++ tid_tx = sta->ampdu_mlme.tid_tx[i]; ++ if (skb_queue_len(&tid_tx->pending)) { ++#ifdef CONFIG_MAC80211_HT_DEBUG ++ wiphy_debug(local->hw.wiphy, "TX A-MPDU purging %d " ++ "packets for tid=%d\n", ++ skb_queue_len(&tid_tx->pending), i); ++#endif /* CONFIG_MAC80211_HT_DEBUG */ ++ __skb_queue_purge(&tid_tx->pending); ++ } ++ kfree_rcu(tid_tx, rcu_head); ++ } + - h[i].nfCalBuffer[h[i].currIndex] = nfarray[i]; + __sta_info_free(local, sta); - if (++h[i].currIndex >= ATH9K_NF_CAL_HIST_MAX) -@@ -225,6 +231,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, - int32_t val; - u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; - struct ath_common *common = ath9k_hw_common(ah); -+ struct ieee80211_conf *conf = &common->hw->conf; - s16 default_nf = ath9k_hw_get_default_nf(ah, chan); - - if (ah->caldata) -@@ -234,6 +241,9 @@ void ath9k_hw_loadnf(struct ath_hw *ah, - if (chainmask & (1 << i)) { - s16 nfval; - -+ if ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)) -+ continue; -+ - if (h) - nfval = h[i].privNF; - else -@@ -293,6 +303,9 @@ void ath9k_hw_loadnf(struct ath_hw *ah, - ENABLE_REGWRITE_BUFFER(ah); - for (i = 0; i < NUM_NF_READINGS; i++) { - if (chainmask & (1 << i)) { -+ if ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)) -+ continue; -+ - val = REG_READ(ah, ah->nf_regs[i]); - val &= 0xFFFFFE00; - val |= (((u32) (-50) << 1) & 0x1ff); + return 0; +--- a/drivers/net/wireless/ath/ath9k/calib.c ++++ b/drivers/net/wireless/ath/ath9k/calib.c +@@ -402,6 +402,7 @@ bool ath9k_hw_getnf(struct ath_hw *ah, s + ah->noise = ath9k_hw_getchan_noise(ah, chan); + return true; + } ++EXPORT_SYMBOL(ath9k_hw_getnf); + + void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah, + struct ath9k_channel *chan)