---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
+--- 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_
+ * Initialization routines *
+ \*************************/
-+ ath9k_ps_wakeup(sc);
++static const struct ieee80211_iface_limit if_limits[] = {
++ { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) },
++ { .max = 4, .types =
++#ifdef CONFIG_MAC80211_MESH
++ BIT(NL80211_IFTYPE_MESH_POINT) |
++#endif
++ BIT(NL80211_IFTYPE_AP) },
++};
+
- mutex_lock(&sc->mutex);
++static const struct ieee80211_iface_combination if_comb = {
++ .limits = if_limits,
++ .n_limits = ARRAY_SIZE(if_limits),
++ .max_interfaces = 2048,
++ .num_different_channels = 1,
++};
++
+ 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
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
++ hw->wiphy->iface_combinations = &if_comb;
++ hw->wiphy->n_iface_combinations = 1;
++
+ /* 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);
+ }
- /* setup initial channel */
-@@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_
- mutex_unlock:
- mutex_unlock(&sc->mutex);
+ 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);
-+ ath9k_ps_restore(sc);
+ /* 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);
+
+ 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);
++ }
+
+ 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);
++}
+
- return r;
++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
+@@ -373,7 +373,7 @@ static void ar9003_hw_spur_ofdm_work(str
+ else
+ spur_subchannel_sd = 0;
+
+- spur_freq_sd = (freq_offset << 9) / 11;
++ spur_freq_sd = ((freq_offset + 10) << 9) / 11;
+
+ } else {
+ if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL,
+@@ -382,7 +382,7 @@ static void ar9003_hw_spur_ofdm_work(str
+ else
+ spur_subchannel_sd = 1;
+
+- spur_freq_sd = (freq_offset << 9) / 11;
++ spur_freq_sd = ((freq_offset - 10) << 9) / 11;
+
+ }
+
+@@ -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);
}
---- a/net/mac80211/ibss.c
-+++ b/net/mac80211/ibss.c
-@@ -661,7 +661,6 @@ static void ieee80211_sta_find_ibss(stru
- static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *req)
+ 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)
{
-- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
- struct ieee80211_mgmt *mgmt = (void *)req->data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-@@ -685,7 +684,7 @@ static void ieee80211_rx_mgmt_probe_req(
- mgmt->bssid, tx_last_beacon);
- #endif /* CONFIG_MAC80211_IBSS_DEBUG */
+ 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)
-- if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
-+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
++#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)
return;
- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, stru
- struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
- u16 sta_cap = sta->ht_cap.cap;
-+ int n_supported = 0;
- int ack_dur;
- int stbc;
- int i;
-
- /* fall back to the old minstrel for legacy stations */
-- if (!sta->ht_cap.ht_supported) {
-- msp->is_ht = false;
-- memset(&msp->legacy, 0, sizeof(msp->legacy));
-- msp->legacy.r = msp->ratelist;
-- msp->legacy.sample_table = msp->sample_table;
-- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+--- 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);
+
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -200,6 +200,8 @@ 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);
++ 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
+@@ -81,7 +81,8 @@ 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);
+@@ -484,6 +485,7 @@ 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 &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ return -EINVAL;
+
+--- 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%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), TEST(4ADDR_EVENT),
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -282,7 +282,6 @@ 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;
+@@ -428,28 +427,6 @@ 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;
+- }
+-
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
+-
+- res = sta_info_insert(sta);
+- if (res) {
+- /* STA has been freed */
+- goto err_del_interface;
+- }
+-
+- rate_control_rate_init(sta);
- }
-+ if (!sta->ht_cap.ht_supported)
-+ goto use_legacy;
+-
+ /*
+ * 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
+ dev->destructor = free_netdev;
+ }
- BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
- MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
-@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, stru
++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, NULL);
++
++ 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) {
++ sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++ sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++ sta_info_pre_move_state(sta, IEEE80211_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 =
+@@ -950,6 +993,9 @@ 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/rx.c
++++ b/net/mac80211/rx.c
+@@ -2283,6 +2283,7 @@ 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_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ break;
+
+@@ -2497,14 +2498,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
- mi->groups[i].supported =
- mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
+ 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_AUTH):
+ 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_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -2838,10 +2840,16 @@ static int prepare_for_handlers(struct i
+ }
+ 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;
+
-+ if (mi->groups[i].supported)
-+ n_supported++;
+ break;
+ default:
+ /* should never get here */
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -32,7 +32,6 @@
+ * @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.
+@@ -64,7 +63,6 @@ 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/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/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -1005,6 +1005,9 @@ static int ieee80211_change_station(stru
}
+
+ if (params->vlan && params->vlan != sta->sdata->dev) {
++ bool prev_4addr = false;
++ bool new_4addr = false;
+
-+ if (!n_supported)
-+ goto use_legacy;
+ vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
+
+ if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+@@ -1020,9 +1023,25 @@ static int ieee80211_change_station(stru
+ }
+
+ rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
++ new_4addr = true;
++ }
++
++ if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
++ sta->sdata->u.vlan.sta) {
++ rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
++ prev_4addr = true;
+ }
+
+ sta->sdata = vlansdata;
+
-+ return;
++ if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
++ prev_4addr != new_4addr) {
++ if (new_4addr)
++ atomic_dec(&sta->sdata->bss->num_mcast_sta);
++ else
++ atomic_inc(&sta->sdata->bss->num_mcast_sta);
++ }
+
-+use_legacy:
-+ msp->is_ht = false;
-+ memset(&msp->legacy, 0, sizeof(msp->legacy));
-+ msp->legacy.r = msp->ratelist;
-+ msp->legacy.sample_table = msp->sample_table;
-+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+ ieee80211_send_layer2_update(sta);
+ }
+
+--- a/net/mac80211/debugfs_netdev.c
++++ b/net/mac80211/debugfs_netdev.c
+@@ -394,7 +394,7 @@ static ssize_t ieee80211_if_parse_uapsd_
+ __IEEE80211_IF_FILE_W(uapsd_max_sp_len);
+
+ /* AP attributes */
+-IEEE80211_IF_FILE(num_sta_authorized, u.ap.num_sta_authorized, ATOMIC);
++IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);
+ IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
+ IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
+
+@@ -540,7 +540,7 @@ static void add_sta_files(struct ieee802
+
+ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
+ {
+- DEBUGFS_ADD(num_sta_authorized);
++ DEBUGFS_ADD(num_mcast_sta);
+ DEBUGFS_ADD(num_sta_ps);
+ DEBUGFS_ADD(dtim_count);
+ DEBUGFS_ADD(num_buffered_multicast);
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -282,7 +282,7 @@ struct ieee80211_if_ap {
+ u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
+ struct sk_buff_head ps_bc_buf;
+ atomic_t num_sta_ps; /* number of stations in PS mode */
+- atomic_t num_sta_authorized; /* number of authorized stations */
++ atomic_t num_mcast_sta; /* number of stations receiving multicast */
+ int dtim_count;
+ bool dtim_bc_mc;
+ };
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -1417,15 +1417,19 @@ int sta_info_move_state(struct sta_info
+ if (sta->sta_state == IEEE80211_STA_AUTH) {
+ set_bit(WLAN_STA_ASSOC, &sta->_flags);
+ } else if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
+- if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
+- atomic_dec(&sta->sdata->u.ap.num_sta_authorized);
++ if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
++ (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
++ !sta->sdata->u.vlan.sta))
++ atomic_dec(&sta->sdata->bss->num_mcast_sta);
+ clear_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
+ }
+ break;
+ case IEEE80211_STA_AUTHORIZED:
+ if (sta->sta_state == IEEE80211_STA_ASSOC) {
+- if (sta->sdata->vif.type == NL80211_IFTYPE_AP)
+- atomic_inc(&sta->sdata->u.ap.num_sta_authorized);
++ if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
++ (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
++ !sta->sdata->u.vlan.sta))
++ atomic_inc(&sta->sdata->bss->num_mcast_sta);
+ set_bit(WLAN_STA_AUTHORIZED, &sta->_flags);
+ }
+ break;
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -306,7 +306,7 @@ ieee80211_tx_h_check_assoc(struct ieee80
+ }
+ } else if (unlikely(tx->sdata->vif.type == NL80211_IFTYPE_AP &&
+ ieee80211_is_data(hdr->frame_control) &&
+- !atomic_read(&tx->sdata->u.ap.num_sta_authorized))) {
++ !atomic_read(&tx->sdata->u.ap.num_mcast_sta))) {
+ /*
+ * No associated STAs - no need to send multicast
+ * frames.
+@@ -1159,7 +1159,8 @@ ieee80211_tx_prepare(struct ieee80211_su
+ tx->sta = rcu_dereference(sdata->u.vlan.sta);
+ if (!tx->sta && sdata->dev->ieee80211_ptr->use_4addr)
+ return TX_DROP;
+- } else if (info->flags & IEEE80211_TX_CTL_INJECTED) {
++ } else if (info->flags & IEEE80211_TX_CTL_INJECTED ||
++ tx->sdata->control_port_protocol == tx->skb->protocol) {
+ tx->sta = sta_info_get_bss(sdata, hdr->addr1);
+ }
+ if (!tx->sta)
+--- a/net/wireless/scan.c
++++ b/net/wireless/scan.c
+@@ -378,7 +378,11 @@ static int cmp_bss_core(struct cfg80211_
+ b->len_information_elements);
+ }
+
+- return compare_ether_addr(a->bssid, b->bssid);
++ /*
++ * we can't use compare_ether_addr here since we need a < > operator.
++ * The binary return value of compare_ether_addr isn't enough
++ */
++ return memcmp(a->bssid, b->bssid, sizeof(a->bssid));
}
- static void
+ static int cmp_bss(struct cfg80211_bss *a,