mac80211: update to wireless-testing 2011-11-01
[openwrt/staging/mkresin.git] / package / mac80211 / patches / 300-pending_work.patch
index f06e9df99b29413504f571459870586e25fb54c5..c723092fb623976e7b8d6cb3810b9f7ca501a457 100644 (file)
---- 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(&reg_timeout, msecs_to_jiffies(3142));
- }
 --- 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];
- };
-@@ -608,36 +608,48 @@ static bool ar9003_hw_calc_iq_corr(struc
-       return true;
- }
+@@ -908,12 +908,15 @@ static bool ar9003_hw_rtt_restore(struct
+       int i;
+       bool restore;
  
--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)
- {
--      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;
-+              }
-+      }
+-      if (!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT) || !ah->caldata)
++      if (!ah->caldata)
+               return false;
+       hist = &ah->caldata->rtt_hist;
++      if (!hist->num_readings)
++              return false;
++
+       ar9003_hw_rtt_enable(ah);
+-      ar9003_hw_rtt_set_mask(ah, 0x10);
++      ar9003_hw_rtt_set_mask(ah, 0x00);
+       for (i = 0; i < AR9300_MAX_CHAINS; i++) {
+               if (!(ah->rxchainmask & (1 << i)))
+                       continue;
+@@ -1070,6 +1073,7 @@ skip_tx_iqcal:
+               if (is_reusable && (hist->num_readings < RTT_HIST_MAX)) {
+                       u32 *table;
++                      hist->num_readings++;
+                       for (i = 0; i < AR9300_MAX_CHAINS; i++) {
+                               if (!(ah->rxchainmask & (1 << i)))
+                                       continue;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+@@ -572,14 +572,14 @@
  
--      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];
+ #define AR_PHY_TXGAIN_TABLE      (AR_SM_BASE + 0x300)
+-#define AR_PHY_TX_IQCAL_CONTROL_0   (AR_SM_BASE + AR_SREV_9485(ah) ? \
+-                                               0x3c4 : 0x444)
+-#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_CONTROL_0   (AR_SM_BASE + (AR_SREV_9485(ah) ? \
++                                               0x3c4 : 0x444))
++#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))
+@@ -931,10 +931,10 @@
+ #define AR_PHY_AIC_SRAM_ADDR_B1       (AR_SM1_BASE + 0x5f0)
+ #define AR_PHY_AIC_SRAM_DATA_B1       (AR_SM1_BASE + 0x5f4)
+-#define AR_PHY_RTT_TABLE_SW_INTF_B(i) (0x384 + (i) ? \
+-                                      AR_SM1_BASE : AR_SM_BASE)
+-#define AR_PHY_RTT_TABLE_SW_INTF_1_B(i)       (0x388 + (i) ? \
+-                                      AR_SM1_BASE : AR_SM_BASE)
++#define AR_PHY_RTT_TABLE_SW_INTF_B(i) (0x384 + ((i) ? \
++                                      AR_SM1_BASE : AR_SM_BASE))
++#define AR_PHY_RTT_TABLE_SW_INTF_1_B(i)       (0x388 + ((i) ? \
++                                      AR_SM1_BASE : AR_SM_BASE))
+ /*
+  * Channel 2 Register Map
+  */
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -1122,6 +1122,7 @@ 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;
+@@ -3188,6 +3189,16 @@ void cfg80211_gtk_rekey_notify(struct ne
+ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
+                                    const u8 *bssid, bool preauth, gfp_t gfp);
++/**
++ * cfg80211_can_use_ext_chan - test if ht40 on extension channel can be used
++ * @wiphy: the wiphy
++ * @chan: main channel
++ * @channel_type: HT mode
++ */
++bool 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
+@@ -180,6 +180,10 @@ 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_WDS)
++              memcpy(mgmt->bssid, da, 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);
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -77,10 +77,13 @@ static void ieee80211_send_addba_request
+       memcpy(mgmt->da, da, ETH_ALEN);
+       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_AP_VLAN ||
++          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);
+@@ -397,7 +400,9 @@ int ieee80211_start_tx_ba_session(struct
+        */
+       if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+           sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+-          sdata->vif.type != NL80211_IFTYPE_AP)
++          sdata->vif.type != NL80211_IFTYPE_AP &&
++          sdata->vif.type != NL80211_IFTYPE_ADHOC &&
++          sdata->vif.type != NL80211_IFTYPE_WDS)
+               return -EINVAL;
+       if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
+--- 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",
+                           TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+                           TEST(PS_DRIVER), TEST(AUTHORIZED),
+                           TEST(SHORT_PREAMBLE), TEST(ASSOC_AP),
+-                          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
+@@ -199,6 +199,8 @@ 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);
+       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;
+       lockdep_assert_held(&ifibss->mtx);
+@@ -104,8 +105,16 @@ 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));
 +      }
-+      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;
+       ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+       sband = local->hw.wiphy->bands[chan->band];
+@@ -171,6 +180,18 @@ 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, sband->ht_cap.cap);
++              pos = ieee80211_ie_build_ht_info(pos,
++                                               &sband->ht_cap,
++                                               chan,
++                                               channel_type);
 +      }
-+      mp_coeff[outlier_idx] = mp_avg;
- }
++
+       if (local->hw.queues >= 4) {
+               pos = skb_put(skb, 9);
+               *pos++ = WLAN_EID_VENDOR_SPECIFIC;
+@@ -194,6 +215,7 @@ 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);
+@@ -266,6 +288,7 @@ 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];
+       if (elems->ds_params && elems->ds_params_len == 1)
+               freq = ieee80211_channel_to_frequency(elems->ds_params[0],
+@@ -275,7 +298,10 @@ static void ieee80211_rx_bss_info(struct
+       channel = ieee80211_get_channel(local->hw.wiphy, freq);
+-      if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
++      if (!channel ||
++          channel->flags & (IEEE80211_CHAN_DISABLED ||
++                            IEEE80211_CHAN_NO_IBSS ||
++                            IEEE80211_CHAN_RADAR))
+               return;
+       if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+@@ -313,8 +339,41 @@ static void ieee80211_rx_bss_info(struct
+                                               GFP_ATOMIC);
+               }
  
- 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 (sta && elems->wmm_info)
+-                      set_sta_flag(sta, WLAN_STA_WME);
++              if (sta) {
++                      if (elems->wmm_info)
++                              set_sta_flag(sta, WLAN_STA_WME);
++
++                      /* we both use HT */
++                      if (elems->ht_info_elem && elems->ht_cap_elem &&
++                          sdata->u.ibss.channel_type) {
++                              enum nl80211_channel_type channel_type =
++                                      ieee80211_ht_info_to_channel_type(
++                                                         elems->ht_info_elem);
++                              struct ieee80211_sta_ht_cap sta_ht_cap_new;
++
++                              /*
++                               * fall back to HT20 if we don't use or use
++                               * the other extension channel
++                               */
++                              if (channel_type > NL80211_CHAN_HT20 &&
++                                  channel_type != sdata->u.ibss.channel_type)
++                                      channel_type = NL80211_CHAN_HT20;
++
++                              ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
++                                              elems->ht_cap_elem,
++                                              &sta_ht_cap_new);
++                              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));
++                                      rate_control_rate_update(local, sband,
++                                                      sta,
++                                                      IEEE80211_RC_HT_CHANGED,
++                                                      channel_type);
++                              }
++                      }
 +              }
  
--                      /*
--                       * 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");
- }
+               rcu_read_unlock();
+       }
+@@ -896,10 +955,15 @@ int ieee80211_ibss_join(struct ieee80211
+       struct sk_buff *skb;
+       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;
+@@ -920,13 +984,15 @@ 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;
+       }
  
--static void ar9003_hw_tx_iq_cal(struct ath_hw *ah)
-+static bool ar9003_hw_tx_iq_cal_run(struct ath_hw *ah)
+       if (params->ie) {
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -464,6 +464,7 @@ 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 */
+@@ -1338,6 +1339,12 @@ void ieee80211_recalc_smps(struct ieee80
+ size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
+                         const u8 *ids, int n_ids, size_t offset);
+ size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
++                            u16 cap);
++u8 *ieee80211_ie_build_ht_info(u8 *pos,
++                              struct ieee80211_sta_ht_cap *ht_cap,
++                              struct ieee80211_channel *channel,
++                              enum nl80211_channel_type channel_type);
+ /* internal work items */
+ void ieee80211_work_init(struct ieee80211_local *local);
+@@ -1366,6 +1373,8 @@ ieee80211_get_channel_mode(struct ieee80
+ bool ieee80211_set_channel_type(struct ieee80211_local *local,
+                               struct ieee80211_sub_if_data *sdata,
+                               enum nl80211_channel_type chantype);
++enum nl80211_channel_type
++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info);
+ #ifdef CONFIG_MAC80211_NOINLINE
+ #define debug_noinline noinline
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
  {
-       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_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;
+@@ -290,27 +289,6 @@ 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;
 -              }
 -
--              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);
+-              /* no atomic bitop required since STA is not live yet */
+-              set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 -
--                                      /* 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;
--
--                      }
+-              res = sta_info_insert(sta);
+-              if (res) {
+-                      /* STA has been freed */
+-                      goto err_del_interface;
 -              }
--      }
--
--      ar9003_hw_tx_iqcal_load_avg_2_passes(ah, nchains, &coeff);
 -
--      return;
--
--TX_IQ_CAL_FAILED:
--      ath_dbg(common, ATH_DBG_CALIBRATE, "Tx IQ Cal failed\n");
--}
+-              rate_control_rate_init(sta);
+-      }
 -
--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;
-+      }
-+      return true;
+       /*
+        * set_multicast_list will be invoked by the networking core
+        * which will check whether any increments here were done in
+@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
+       netif_tx_start_all_queues(dev);
+       return 0;
+- err_del_interface:
+-      drv_remove_interface(local, &sdata->vif);
++
+  err_stop:
+       if (!local->open_count)
+               drv_stop(local);
+@@ -716,6 +693,70 @@ static void ieee80211_if_setup(struct ne
+       dev->destructor = free_netdev;
  }
  
- static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah)
++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(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 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++;
+       struct ieee80211_sub_if_data *sdata =
+@@ -820,6 +861,9 @@ 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
+@@ -2211,7 +2211,9 @@ ieee80211_rx_h_action(struct ieee80211_r
+                */
+               if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+                   sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+-                  sdata->vif.type != NL80211_IFTYPE_AP)
++                  sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_ADHOC &&
++                  sdata->vif.type != NL80211_IFTYPE_WDS)
+                       break;
+               /* verify action_code is present */
+@@ -2426,13 +2428,14 @@ 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):
+@@ -2775,10 +2778,16 @@ 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;
++
+               break;
+       default:
+               /* should never get here */
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -32,7 +32,6 @@
+  *    frames.
+  * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
+  * @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.
+@@ -61,7 +60,6 @@ enum ieee80211_sta_info_flags {
+       WLAN_STA_SHORT_PREAMBLE,
+       WLAN_STA_ASSOC_AP,
+       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
+@@ -836,23 +836,8 @@ int ieee80211_build_preq_ies(struct ieee
+               offset = noffset;
        }
  
--      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;
-+                      }
--                              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);
+-      if (sband->ht_cap.ht_supported) {
+-              u16 cap = sband->ht_cap.cap;
+-              __le16 tmp;
 -
--                                      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]);
-+                      }
+-              *pos++ = WLAN_EID_HT_CAPABILITY;
+-              *pos++ = sizeof(struct ieee80211_ht_cap);
+-              memset(pos, 0, sizeof(struct ieee80211_ht_cap));
+-              tmp = cpu_to_le16(cap);
+-              memcpy(pos, &tmp, sizeof(u16));
+-              pos += sizeof(u16);
+-              *pos++ = sband->ht_cap.ampdu_factor |
+-                       (sband->ht_cap.ampdu_density <<
+-                              IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
+-              memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
+-              pos += sizeof(sband->ht_cap.mcs);
+-              pos += 2 + 4 + 1; /* ext info, BF cap, antsel */
+-      }
++      if (sband->ht_cap.ht_supported)
++              pos = ieee80211_ie_build_ht_cap(pos, sband, sband->ht_cap.cap);
  
--                              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;
-               }
+       /*
+        * If adding more here, adjust code in main.c
+@@ -1443,3 +1428,100 @@ int ieee80211_add_ext_srates_ie(struct i
        }
-       ar9003_hw_tx_iqcal_load_avg_2_passes(ah, num_chains, &coeff);
-@@ -941,6 +838,7 @@ static bool ar9003_hw_init_cal(struct at
- {
-       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);
-+      /*
-+       * For AR9485 or later chips, TxIQ cal runs as part of
-+       * AGC calibration
-+       */
-+      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);
+       return 0;
+ }
++
++u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_supported_band *sband,
++                            u16 cap)
++{
++      __le16 tmp;
++
++      *pos++ = WLAN_EID_HT_CAPABILITY;
++      *pos++ = sizeof(struct ieee80211_ht_cap);
++      memset(pos, 0, sizeof(struct ieee80211_ht_cap));
++
++      /* capability flags */
++      tmp = cpu_to_le16(cap);
++      memcpy(pos, &tmp, sizeof(u16));
++      pos += sizeof(u16);
++
++      /* AMPDU parameters */
++      *pos++ = sband->ht_cap.ampdu_factor |
++               (sband->ht_cap.ampdu_density <<
++                      IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
++
++      /* MCS set */
++      memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
++      pos += sizeof(sband->ht_cap.mcs);
++
++      /* extended capabilities */
++      pos += sizeof(__le16);
++
++      /* BF capabilities */
++      pos += sizeof(__le32);
++
++      /* antenna selection */
++      pos += sizeof(u8);
++
++      return pos;
++}
++
++u8 *ieee80211_ie_build_ht_info(u8 *pos,
++                             struct ieee80211_sta_ht_cap *ht_cap,
++                             struct ieee80211_channel *channel,
++                             enum nl80211_channel_type channel_type)
++{
++      struct ieee80211_ht_info *ht_info;
++      /* Build HT Information */
++      *pos++ = WLAN_EID_HT_INFORMATION;
++      *pos++ = sizeof(struct ieee80211_ht_info);
++      ht_info = (struct ieee80211_ht_info *)pos;
++      ht_info->control_chan =
++                      ieee80211_frequency_to_channel(channel->center_freq);
++      switch (channel_type) {
++      case NL80211_CHAN_HT40MINUS:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
++              break;
++      case NL80211_CHAN_HT40PLUS:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
++              break;
++      case NL80211_CHAN_HT20:
++      default:
++              ht_info->ht_param = IEEE80211_HT_PARAM_CHA_SEC_NONE;
++              break;
 +      }
-       /* Calibrate the AGC */
-       REG_WRITE(ah, AR_PHY_AGC_CONTROL,
-@@ -979,7 +885,7 @@ static bool ar9003_hw_init_cal(struct at
-               return false;
++      if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
++              ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
++      ht_info->operation_mode = 0x0000;
++      ht_info->stbc_param = 0x0000;
++
++      /* It seems that Basic MCS set and Supported MCS set
++         are identical for the first 10 bytes */
++      memset(&ht_info->basic_set, 0, 16);
++      memcpy(&ht_info->basic_set, &ht_cap->mcs, 10);
++
++      return pos + sizeof(struct ieee80211_ht_info);
++}
++
++enum nl80211_channel_type
++ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info)
++{
++      enum nl80211_channel_type channel_type;
++
++      if (!ht_info)
++              return NL80211_CHAN_NO_HT;
++
++      switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
++      case IEEE80211_HT_PARAM_CHA_SEC_NONE:
++              channel_type = NL80211_CHAN_HT20;
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
++              channel_type = NL80211_CHAN_HT40PLUS;
++              break;
++      case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
++              channel_type = NL80211_CHAN_HT40MINUS;
++              break;
++      default:
++              channel_type = NL80211_CHAN_NO_HT;
++      }
++
++      return channel_type;
++}
+--- a/net/mac80211/work.c
++++ b/net/mac80211/work.c
+@@ -118,7 +118,6 @@ static void ieee80211_add_ht_ie(struct s
+       u8 *pos;
+       u32 flags = channel->flags;
+       u16 cap = sband->ht_cap.cap;
+-      __le16 tmp;
+       if (!sband->ht_cap.ht_supported)
+               return;
+@@ -169,34 +168,8 @@ static void ieee80211_add_ht_ie(struct s
        }
  
--      if (AR_SREV_9485(ah))
-+      if (txiqcal_done)
-               ar9003_hw_tx_iq_cal_post_proc(ah);
+       /* reserve and fill IE */
+-
+       pos = skb_put(skb, sizeof(struct ieee80211_ht_cap) + 2);
+-      *pos++ = WLAN_EID_HT_CAPABILITY;
+-      *pos++ = sizeof(struct ieee80211_ht_cap);
+-      memset(pos, 0, sizeof(struct ieee80211_ht_cap));
+-
+-      /* capability flags */
+-      tmp = cpu_to_le16(cap);
+-      memcpy(pos, &tmp, sizeof(u16));
+-      pos += sizeof(u16);
+-
+-      /* AMPDU parameters */
+-      *pos++ = sband->ht_cap.ampdu_factor |
+-               (sband->ht_cap.ampdu_density <<
+-                      IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT);
+-
+-      /* MCS set */
+-      memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
+-      pos += sizeof(sband->ht_cap.mcs);
+-
+-      /* extended capabilities */
+-      pos += sizeof(__le16);
+-
+-      /* BF capabilities */
+-      pos += sizeof(__le32);
+-
+-      /* antenna selection */
+-      pos += sizeof(u8);
++      ieee80211_ie_build_ht_cap(pos, sband, cap);
+ }
  
-       /* 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 @@
+ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
+--- a/net/wireless/chan.c
++++ b/net/wireless/chan.c
+@@ -44,9 +44,9 @@ rdev_freq_to_chan(struct cfg80211_regist
+       return chan;
+ }
  
- #define AR_PHY_TXGAIN_TABLE      (AR_SM_BASE + 0x300)
+-static bool can_beacon_sec_chan(struct wiphy *wiphy,
+-                              struct ieee80211_channel *chan,
+-                              enum nl80211_channel_type channel_type)
++bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
++                                struct ieee80211_channel *chan,
++                                enum nl80211_channel_type channel_type)
+ {
+       struct ieee80211_channel *sec_chan;
+       int diff;
+@@ -75,6 +75,7 @@ static bool can_beacon_sec_chan(struct w
  
--#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;
+       return true;
+ }
++EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
+ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
+                     struct wireless_dev *wdev, int freq,
+@@ -109,8 +110,8 @@ 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
+@@ -4574,13 +4574,34 @@ static int nl80211_join_ibss(struct sk_b
+               ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
        }
---- 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) && \
---- 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)
- {
-       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;
  
-       h = cal->nfCalHist;
-       limit = ath9k_hw_get_nf_limits(ah, ah->curchan);
-       for (i = 0; i < NUM_NF_READINGS; i++) {
-+              if (!(chainmask & (1 << i)) ||
-+                  ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
-+                      continue;
-+
-               h[i].nfCalBuffer[h[i].currIndex] = nfarray[i];
-               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);
+-      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_HT40PLUS)
++                      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_RADAR ||
+           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];