package/mac80211/patches/300-pending_work.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
   3 @@ -203,7 +203,7 @@ static void ar9002_hw_iqcalibrate(struct
   4                         i);
   5
   6                 ath_dbg(common, ATH_DBG_CALIBRATE,
   7 -                       "Orignal: Chn %diq_corr_meas = 0x%08x\n",
   8 +                       "Original: Chn %d iq_corr_meas = 0x%08x\n",
   9                         i, ah->totalIqCorrMeas[i]);
  10
  11                 iqCorrNeg = 0;
  12 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
  13 +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
  14 @@ -226,7 +226,7 @@ static void ar9003_hw_iqcalibrate(struct
  15                         i);
  16
  17                 ath_dbg(common, ATH_DBG_CALIBRATE,
  18 -                       "Orignal: Chn %diq_corr_meas = 0x%08x\n",
  19 +                       "Original: Chn %d iq_corr_meas = 0x%08x\n",
  20                         i, ah->totalIqCorrMeas[i]);
  21
  22                 iqCorrNeg = 0;
  23 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
  24 +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
  25 @@ -808,7 +808,8 @@ void ath9k_htc_ani_work(struct work_stru
  26         }
  27
  28         /* Verify whether we must check ANI */
  29 -       if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
  30 +       if (ah->config.enable_ani &&
  31 +           (timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
  32                 aniflag = true;
  33                 common->ani.checkani_timer = timestamp;
  34         }
  35 --- a/drivers/net/wireless/ath/ath9k/hw.c
  36 +++ b/drivers/net/wireless/ath/ath9k/hw.c
  37 @@ -504,7 +504,7 @@ static int ath9k_hw_post_init(struct ath
  38                 return ecode;
  39         }
  40
  41 -       if (!AR_SREV_9100(ah) && !AR_SREV_9340(ah)) {
  42 +       if (ah->config.enable_ani) {
  43                 ath9k_hw_ani_setup(ah);
  44                 ath9k_hw_ani_init(ah);
  45         }
  46 @@ -610,6 +610,10 @@ static int __ath9k_hw_init(struct ath_hw
  47         if (!AR_SREV_9300_20_OR_LATER(ah))
  48                 ah->ani_function &= ~ATH9K_ANI_MRC_CCK;
  49
  50 +       /* disable ANI for 9340 */
  51 +       if (AR_SREV_9340(ah))
  52 +               ah->config.enable_ani = false;
  53 +
  54         ath9k_hw_init_mode_regs(ah);
  55
  56         if (!ah->is_pciexpress)
  57 --- a/drivers/net/wireless/ath/ath9k/main.c
  58 +++ b/drivers/net/wireless/ath/ath9k/main.c
  59 @@ -118,7 +118,7 @@ void ath9k_ps_restore(struct ath_softc *
  60         if (--sc->ps_usecount != 0)
  61                 goto unlock;
  62
  63 -       if (sc->ps_idle)
  64 +       if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
  65                 mode = ATH9K_PM_FULL_SLEEP;
  66         else if (sc->ps_enabled &&
  67                  !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
  68 @@ -286,7 +286,7 @@ static bool ath_complete_reset(struct at
  69                         ath_start_ani(common);
  70         }
  71
  72 -       if (ath9k_hw_ops(ah)->antdiv_comb_conf_get && sc->ant_rx != 3) {
  73 +       if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) {
  74                 struct ath_hw_antcomb_conf div_ant_conf;
  75                 u8 lna_conf;
  76
  77 @@ -332,7 +332,8 @@ static int ath_reset_internal(struct ath
  78                 hchan = ah->curchan;
  79         }
  80
  81 -       if (fastcc && !ath9k_hw_check_alive(ah))
  82 +       if (fastcc && (ah->chip_fullsleep ||
  83 +           !ath9k_hw_check_alive(ah)))
  84                 fastcc = false;
  85
  86         if (!ath_prepare_reset(sc, retry_tx, flush))
  87 @@ -561,7 +562,6 @@ void ath_ani_calibrate(unsigned long dat
  88         /* Long calibration runs independently of short calibration. */
  89         if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) {
  90                 longcal = true;
  91 -               ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
  92                 common->ani.longcal_timer = timestamp;
  93         }
  94
  95 @@ -569,8 +569,6 @@ void ath_ani_calibrate(unsigned long dat
  96         if (!common->ani.caldone) {
  97                 if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) {
  98                         shortcal = true;
  99 -                       ath_dbg(common, ATH_DBG_ANI,
 100 -                               "shortcal @%lu\n", jiffies);
 101                         common->ani.shortcal_timer = timestamp;
 102                         common->ani.resetcal_timer = timestamp;
 103                 }
 104 @@ -584,8 +582,9 @@ void ath_ani_calibrate(unsigned long dat
 105         }
 106
 107         /* Verify whether we must check ANI */
 108 -       if ((timestamp - common->ani.checkani_timer) >=
 109 -            ah->config.ani_poll_interval) {
 110 +       if (sc->sc_ah->config.enable_ani
 111 +           && (timestamp - common->ani.checkani_timer) >=
 112 +           ah->config.ani_poll_interval) {
 113                 aniflag = true;
 114                 common->ani.checkani_timer = timestamp;
 115         }
 116 @@ -605,6 +604,11 @@ void ath_ani_calibrate(unsigned long dat
 117                                                 ah->rxchainmask, longcal);
 118         }
 119
 120 +       ath_dbg(common, ATH_DBG_ANI,
 121 +               "Calibration @%lu finished: %s %s %s, caldone: %s\n", jiffies,
 122 +               longcal ? "long" : "", shortcal ? "short" : "",
 123 +               aniflag ? "ani" : "", common->ani.caldone ? "true" : "false");
 124 +
 125         ath9k_ps_restore(sc);
 126
 127  set_timer:
 128 @@ -886,82 +890,6 @@ chip_reset:
 129  #undef SCHED_INTR
 130  }
 131
 132 -static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
 133 -{
 134 -       struct ath_hw *ah = sc->sc_ah;
 135 -       struct ath_common *common = ath9k_hw_common(ah);
 136 -       struct ieee80211_channel *channel = hw->conf.channel;
 137 -       int r;
 138 -
 139 -       ath9k_ps_wakeup(sc);
 140 -       spin_lock_bh(&sc->sc_pcu_lock);
 141 -       atomic_set(&ah->intr_ref_cnt, -1);
 142 -
 143 -       ath9k_hw_configpcipowersave(ah, false);
 144 -
 145 -       if (!ah->curchan)
 146 -               ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah);
 147 -
 148 -       r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
 149 -       if (r) {
 150 -               ath_err(common,
 151 -                       "Unable to reset channel (%u MHz), reset status %d\n",
 152 -                       channel->center_freq, r);
 153 -       }
 154 -
 155 -       ath_complete_reset(sc, true);
 156 -
 157 -       /* Enable LED */
 158 -       ath9k_hw_cfg_output(ah, ah->led_pin,
 159 -                           AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 160 -       ath9k_hw_set_gpio(ah, ah->led_pin, 0);
 161 -
 162 -       spin_unlock_bh(&sc->sc_pcu_lock);
 163 -
 164 -       ath9k_ps_restore(sc);
 165 -}
 166 -
 167 -void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
 168 -{
 169 -       struct ath_hw *ah = sc->sc_ah;
 170 -       struct ieee80211_channel *channel = hw->conf.channel;
 171 -       int r;
 172 -
 173 -       ath9k_ps_wakeup(sc);
 174 -
 175 -       ath_cancel_work(sc);
 176 -
 177 -       spin_lock_bh(&sc->sc_pcu_lock);
 178 -
 179 -       /*
 180 -        * Keep the LED on when the radio is disabled
 181 -        * during idle unassociated state.
 182 -        */
 183 -       if (!sc->ps_idle) {
 184 -               ath9k_hw_set_gpio(ah, ah->led_pin, 1);
 185 -               ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
 186 -       }
 187 -
 188 -       ath_prepare_reset(sc, false, true);
 189 -
 190 -       if (!ah->curchan)
 191 -               ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
 192 -
 193 -       r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
 194 -       if (r) {
 195 -               ath_err(ath9k_hw_common(sc->sc_ah),
 196 -                       "Unable to reset channel (%u MHz), reset status %d\n",
 197 -                       channel->center_freq, r);
 198 -       }
 199 -
 200 -       ath9k_hw_phy_disable(ah);
 201 -
 202 -       ath9k_hw_configpcipowersave(ah, true);
 203 -
 204 -       spin_unlock_bh(&sc->sc_pcu_lock);
 205 -       ath9k_ps_restore(sc);
 206 -}
 207 -
 208  static int ath_reset(struct ath_softc *sc, bool retry_tx)
 209  {
 210         int r;
 211 @@ -1097,6 +1025,9 @@ static int ath9k_start(struct ieee80211_
 212          * and then setup of the interrupt mask.
 213          */
 214         spin_lock_bh(&sc->sc_pcu_lock);
 215 +
 216 +       atomic_set(&ah->intr_ref_cnt, -1);
 217 +
 218         r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
 219         if (r) {
 220                 ath_err(common,
 221 @@ -1138,6 +1069,18 @@ static int ath9k_start(struct ieee80211_
 222                 goto mutex_unlock;
 223         }
 224
 225 +       if (ah->led_pin >= 0) {
 226 +               ath9k_hw_cfg_output(ah, ah->led_pin,
 227 +                                   AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 228 +               ath9k_hw_set_gpio(ah, ah->led_pin, 0);
 229 +       }
 230 +
 231 +       /*
 232 +        * Reset key cache to sane defaults (all entries cleared) instead of
 233 +        * semi-random values after suspend/resume.
 234 +        */
 235 +       ath9k_cmn_init_crypto(sc->sc_ah);
 236 +
 237         spin_unlock_bh(&sc->sc_pcu_lock);
 238
 239         if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
 240 @@ -1183,6 +1126,13 @@ static void ath9k_tx(struct ieee80211_hw
 241                 }
 242         }
 243
 244 +       /*
 245 +        * Cannot tx while the hardware is in full sleep, it first needs a full
 246 +        * chip reset to recover from that
 247 +        */
 248 +       if (unlikely(sc->sc_ah->power_mode == ATH9K_PM_FULL_SLEEP))
 249 +               goto exit;
 250 +
 251         if (unlikely(sc->sc_ah->power_mode != ATH9K_PM_AWAKE)) {
 252                 /*
 253                  * We are using PS-Poll and mac80211 can request TX while in
 254 @@ -1229,6 +1179,7 @@ static void ath9k_stop(struct ieee80211_
 255         struct ath_softc *sc = hw->priv;
 256         struct ath_hw *ah = sc->sc_ah;
 257         struct ath_common *common = ath9k_hw_common(ah);
 258 +       bool prev_idle;
 259
 260         mutex_lock(&sc->mutex);
 261
 262 @@ -1259,35 +1210,45 @@ static void ath9k_stop(struct ieee80211_
 263          * before setting the invalid flag. */
 264         ath9k_hw_disable_interrupts(ah);
 265
 266 -       if (!(sc->sc_flags & SC_OP_INVALID)) {
 267 -               ath_drain_all_txq(sc, false);
 268 -               ath_stoprecv(sc);
 269 -               ath9k_hw_phy_disable(ah);
 270 -       } else
 271 -               sc->rx.rxlink = NULL;
 272 +       spin_unlock_bh(&sc->sc_pcu_lock);
 273 +
 274 +       /* we can now sync irq and kill any running tasklets, since we already
 275 +        * disabled interrupts and not holding a spin lock */
 276 +       synchronize_irq(sc->irq);
 277 +       tasklet_kill(&sc->intr_tq);
 278 +       tasklet_kill(&sc->bcon_tasklet);
 279 +
 280 +       prev_idle = sc->ps_idle;
 281 +       sc->ps_idle = true;
 282 +
 283 +       spin_lock_bh(&sc->sc_pcu_lock);
 284 +
 285 +       if (ah->led_pin >= 0) {
 286 +               ath9k_hw_set_gpio(ah, ah->led_pin, 1);
 287 +               ath9k_hw_cfg_gpio_input(ah, ah->led_pin);
 288 +       }
 289 +
 290 +       ath_prepare_reset(sc, false, true);
 291
 292         if (sc->rx.frag) {
 293                 dev_kfree_skb_any(sc->rx.frag);
 294                 sc->rx.frag = NULL;
 295         }
 296
 297 -       /* disable HAL and put h/w to sleep */
 298 -       ath9k_hw_disable(ah);
 299 +       if (!ah->curchan)
 300 +               ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
 301
 302 -       spin_unlock_bh(&sc->sc_pcu_lock);
 303 +       ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
 304 +       ath9k_hw_phy_disable(ah);
 305
 306 -       /* we can now sync irq and kill any running tasklets, since we already
 307 -        * disabled interrupts and not holding a spin lock */
 308 -       synchronize_irq(sc->irq);
 309 -       tasklet_kill(&sc->intr_tq);
 310 -       tasklet_kill(&sc->bcon_tasklet);
 311 +       ath9k_hw_configpcipowersave(ah, true);
 312
 313 -       ath9k_ps_restore(sc);
 314 +       spin_unlock_bh(&sc->sc_pcu_lock);
 315
 316 -       sc->ps_idle = true;
 317 -       ath_radio_disable(sc, hw);
 318 +       ath9k_ps_restore(sc);
 319
 320         sc->sc_flags |= SC_OP_INVALID;
 321 +       sc->ps_idle = prev_idle;
 322
 323         mutex_unlock(&sc->mutex);
 324
 325 @@ -1627,8 +1588,8 @@ static int ath9k_config(struct ieee80211
 326         struct ath_hw *ah = sc->sc_ah;
 327         struct ath_common *common = ath9k_hw_common(ah);
 328         struct ieee80211_conf *conf = &hw->conf;
 329 -       bool disable_radio = false;
 330
 331 +       ath9k_ps_wakeup(sc);
 332         mutex_lock(&sc->mutex);
 333
 334         /*
 335 @@ -1639,13 +1600,8 @@ static int ath9k_config(struct ieee80211
 336          */
 337         if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 338                 sc->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
 339 -               if (!sc->ps_idle) {
 340 -                       ath_radio_enable(sc, hw);
 341 -                       ath_dbg(common, ATH_DBG_CONFIG,
 342 -                               "not-idle: enabling radio\n");
 343 -               } else {
 344 -                       disable_radio = true;
 345 -               }
 346 +               if (sc->ps_idle)
 347 +                       ath_cancel_work(sc);
 348         }
 349
 350         /*
 351 @@ -1752,18 +1708,12 @@ static int ath9k_config(struct ieee80211
 352                 ath_dbg(common, ATH_DBG_CONFIG,
 353                         "Set power: %d\n", conf->power_level);
 354                 sc->config.txpowlimit = 2 * conf->power_level;
 355 -               ath9k_ps_wakeup(sc);
 356                 ath9k_cmn_update_txpow(ah, sc->curtxpow,
 357                                        sc->config.txpowlimit, &sc->curtxpow);
 358 -               ath9k_ps_restore(sc);
 359 -       }
 360 -
 361 -       if (disable_radio) {
 362 -               ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
 363 -               ath_radio_disable(sc, hw);
 364         }
 365
 366         mutex_unlock(&sc->mutex);
 367 +       ath9k_ps_restore(sc);
 368
 369         return 0;
 370  }
 371 @@ -2331,9 +2281,6 @@ static void ath9k_flush(struct ieee80211
 372                 return;
 373         }
 374
 375 -       if (drop)
 376 -               timeout = 1;
 377 -
 378         for (j = 0; j < timeout; j++) {
 379                 bool npend = false;
 380
 381 @@ -2351,21 +2298,22 @@ static void ath9k_flush(struct ieee80211
 382                 }
 383
 384                 if (!npend)
 385 -                   goto out;
 386 +                   break;
 387         }
 388
 389 -       ath9k_ps_wakeup(sc);
 390 -       spin_lock_bh(&sc->sc_pcu_lock);
 391 -       drain_txq = ath_drain_all_txq(sc, false);
 392 -       spin_unlock_bh(&sc->sc_pcu_lock);
 393 +       if (drop) {
 394 +               ath9k_ps_wakeup(sc);
 395 +               spin_lock_bh(&sc->sc_pcu_lock);
 396 +               drain_txq = ath_drain_all_txq(sc, false);
 397 +               spin_unlock_bh(&sc->sc_pcu_lock);
 398
 399 -       if (!drain_txq)
 400 -               ath_reset(sc, false);
 401 +               if (!drain_txq)
 402 +                       ath_reset(sc, false);
 403
 404 -       ath9k_ps_restore(sc);
 405 -       ieee80211_wake_queues(hw);
 406 +               ath9k_ps_restore(sc);
 407 +               ieee80211_wake_queues(hw);
 408 +       }
 409
 410 -out:
 411         ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
 412         mutex_unlock(&sc->mutex);
 413  }
 414 --- a/drivers/net/wireless/ath/ath9k/pci.c
 415 +++ b/drivers/net/wireless/ath/ath9k/pci.c
 416 @@ -307,12 +307,11 @@ static int ath_pci_suspend(struct device
 417         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 418         struct ath_softc *sc = hw->priv;
 419
 420 -       ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
 421 -
 422         /* The device has to be moved to FULLSLEEP forcibly.
 423          * Otherwise the chip never moved to full sleep,
 424          * when no interface is up.
 425          */
 426 +       ath9k_hw_disable(sc->sc_ah);
 427         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
 428
 429         return 0;
 430 @@ -334,22 +333,6 @@ static int ath_pci_resume(struct device
 431         if ((val & 0x0000ff00) != 0)
 432                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 433
 434 -       ath9k_ps_wakeup(sc);
 435 -       /* Enable LED */
 436 -       ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
 437 -                           AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
 438 -       ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);
 439 -
 440 -         /*
 441 -          * Reset key cache to sane defaults (all entries cleared) instead of
 442 -          * semi-random values after suspend/resume.
 443 -          */
 444 -       ath9k_cmn_init_crypto(sc->sc_ah);
 445 -       ath9k_ps_restore(sc);
 446 -
 447 -       sc->ps_idle = true;
 448 -       ath_radio_disable(sc, hw);
 449 -
 450         return 0;
 451  }
 452
 453 --- a/drivers/net/wireless/ath/ath9k/xmit.c
 454 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
 455 @@ -1954,7 +1954,7 @@ static void ath_tx_complete(struct ath_s
 456                 skb_pull(skb, padsize);
 457         }
 458
 459 -       if (sc->ps_flags & PS_WAIT_FOR_TX_ACK) {
 460 +       if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) {
 461                 sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK;
 462                 ath_dbg(common, ATH_DBG_PS,
 463                         "Going back to sleep after having received TX status (0x%lx)\n",
 464 --- a/include/linux/nl80211.h
 465 +++ b/include/linux/nl80211.h
 466 @@ -2785,9 +2785,11 @@ enum nl80211_ap_sme_features {
 467   * @NL80211_FEATURE_SK_TX_STATUS: This driver supports reflecting back
 468   *     TX status to the socket error queue when requested with the
 469   *     socket option.
 470 + * @NL80211_FEATURE_HT_IBSS: This driver supports IBSS with HT datarates.
 471   */
 472  enum nl80211_feature_flags {
 473         NL80211_FEATURE_SK_TX_STATUS    = 1 << 0,
 474 +       NL80211_FEATURE_HT_IBSS         = 1 << 1,
 475  };
 476
 477  /**
 478 --- a/include/net/cfg80211.h
 479 +++ b/include/net/cfg80211.h
 480 @@ -1149,6 +1149,7 @@ struct cfg80211_ibss_params {
 481         u8 *ssid;
 482         u8 *bssid;
 483         struct ieee80211_channel *channel;
 484 +       enum nl80211_channel_type channel_type;
 485         u8 *ie;
 486         u8 ssid_len, ie_len;
 487         u16 beacon_interval;
 488 @@ -3270,6 +3271,16 @@ void cfg80211_report_obss_beacon(struct
 489                                  const u8 *frame, size_t len,
 490                                  int freq, gfp_t gfp);
 491
 492 +/*
 493 + * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used
 494 + * @wiphy: the wiphy
 495 + * @chan: main channel
 496 + * @channel_type: HT mode
 497 + */
 498 +int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
 499 +                                struct ieee80211_channel *chan,
 500 +                                enum nl80211_channel_type channel_type);
 501 +
 502  /* Logging, debugging and troubleshooting/diagnostic helpers. */
 503
 504  /* wiphy_printk helpers, similar to dev_printk */
 505 --- a/net/mac80211/agg-rx.c
 506 +++ b/net/mac80211/agg-rx.c
 507 @@ -185,6 +185,10 @@ static void ieee80211_send_addba_resp(st
 508                 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
 509         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
 510                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 511 +       else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 512 +               memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
 513 +       else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 514 +               memcpy(mgmt->bssid, da, ETH_ALEN);
 515
 516         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 517                                           IEEE80211_STYPE_ACTION);
 518 --- a/net/mac80211/agg-tx.c
 519 +++ b/net/mac80211/agg-tx.c
 520 @@ -79,10 +79,13 @@ static void ieee80211_send_addba_request
 521         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
 522         if (sdata->vif.type == NL80211_IFTYPE_AP ||
 523             sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 524 -           sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
 525 +           sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
 526 +           sdata->vif.type == NL80211_IFTYPE_WDS)
 527                 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
 528         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
 529                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 530 +       else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 531 +               memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
 532
 533         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 534                                           IEEE80211_STYPE_ACTION);
 535 @@ -437,7 +440,9 @@ int ieee80211_start_tx_ba_session(struct
 536         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 537             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 538             sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 539 -           sdata->vif.type != NL80211_IFTYPE_AP)
 540 +           sdata->vif.type != NL80211_IFTYPE_AP &&
 541 +           sdata->vif.type != NL80211_IFTYPE_WDS &&
 542 +           sdata->vif.type != NL80211_IFTYPE_ADHOC)
 543                 return -EINVAL;
 544
 545         if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) {
 546 @@ -448,6 +453,27 @@ int ieee80211_start_tx_ba_session(struct
 547                 return -EINVAL;
 548         }
 549
 550 +       /*
 551 +        * 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a
 552 +        * member of an IBSS, and has no other existing Block Ack agreement
 553 +        * with the recipient STA, then the initiating STA shall transmit a
 554 +        * Probe Request frame to the recipient STA and shall not transmit an
 555 +        * ADDBA Request frame unless it receives a Probe Response frame
 556 +        * from the recipient within dot11ADDBAFailureTimeout.
 557 +        *
 558 +        * The probe request mechanism for ADDBA is currently not implemented,
 559 +        * but we only build up Block Ack session with HT STAs. This information
 560 +        * is set when we receive a bss info from a probe response or a beacon.
 561 +        */
 562 +       if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC &&
 563 +           !sta->sta.ht_cap.ht_supported) {
 564 +#ifdef CONFIG_MAC80211_HT_DEBUG
 565 +               printk(KERN_DEBUG "BA request denied - IBSS STA %pM"
 566 +                      "does not advertise HT support\n", pubsta->addr);
 567 +#endif /* CONFIG_MAC80211_HT_DEBUG */
 568 +               return -EINVAL;
 569 +       }
 570 +
 571         spin_lock_bh(&sta->lock);
 572
 573         /* we have tried too many times, receiver does not want A-MPDU */
 574 --- a/net/mac80211/debugfs_sta.c
 575 +++ b/net/mac80211/debugfs_sta.c
 576 @@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
 577         test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
 578
 579         int res = scnprintf(buf, sizeof(buf),
 580 -                           "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
 581 +                           "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
 582                             TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
 583                             TEST(PS_DRIVER), TEST(AUTHORIZED),
 584                             TEST(SHORT_PREAMBLE),
 585 -                           TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
 586 +                           TEST(WME), TEST(CLEAR_PS_FILT),
 587                             TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
 588                             TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
 589                             TEST(TDLS_PEER_AUTH));
 590 --- a/net/mac80211/ht.c
 591 +++ b/net/mac80211/ht.c
 592 @@ -47,7 +47,9 @@ void ieee80211_apply_htcap_overrides(str
 593         int i;
 594
 595         if (sdata->vif.type != NL80211_IFTYPE_STATION) {
 596 -               WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
 597 +               /* AP interfaces call this code when adding new stations,
 598 +                * so just silently ignore non station interfaces.
 599 +                */
 600                 return;
 601         }
 602
 603 @@ -282,6 +284,8 @@ void ieee80211_send_delba(struct ieee802
 604                 memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
 605         else if (sdata->vif.type == NL80211_IFTYPE_STATION)
 606                 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
 607 +       else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
 608 +               memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
 609
 610         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
 611                                           IEEE80211_STYPE_ACTION);
 612 --- a/net/mac80211/ibss.c
 613 +++ b/net/mac80211/ibss.c
 614 @@ -77,6 +77,7 @@ static void __ieee80211_sta_join_ibss(st
 615         struct cfg80211_bss *bss;
 616         u32 bss_change;
 617         u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
 618 +       enum nl80211_channel_type channel_type;
 619
 620         lockdep_assert_held(&ifibss->mtx);
 621
 622 @@ -105,8 +106,16 @@ static void __ieee80211_sta_join_ibss(st
 623
 624         sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
 625
 626 -       local->oper_channel = chan;
 627 -       WARN_ON(!ieee80211_set_channel_type(local, sdata, NL80211_CHAN_NO_HT));
 628 +       channel_type = ifibss->channel_type;
 629 +       if (channel_type > NL80211_CHAN_HT20 &&
 630 +           !cfg80211_can_beacon_sec_chan(local->hw.wiphy, chan, channel_type))
 631 +               channel_type = NL80211_CHAN_HT20;
 632 +       if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
 633 +               /* can only fail due to HT40+/- mismatch */
 634 +               channel_type = NL80211_CHAN_HT20;
 635 +               WARN_ON(!ieee80211_set_channel_type(local, sdata,
 636 +                                                   NL80211_CHAN_HT20));
 637 +       }
 638         ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
 639
 640         sband = local->hw.wiphy->bands[chan->band];
 641 @@ -172,6 +181,19 @@ static void __ieee80211_sta_join_ibss(st
 642                 memcpy(skb_put(skb, ifibss->ie_len),
 643                        ifibss->ie, ifibss->ie_len);
 644
 645 +       /* add HT capability and information IEs */
 646 +       if (channel_type && sband->ht_cap.ht_supported) {
 647 +               pos = skb_put(skb, 4 +
 648 +                                  sizeof(struct ieee80211_ht_cap) +
 649 +                                  sizeof(struct ieee80211_ht_info));
 650 +               pos = ieee80211_ie_build_ht_cap(pos, &sband->ht_cap,
 651 +                                               sband->ht_cap.cap);
 652 +               pos = ieee80211_ie_build_ht_info(pos,
 653 +                                                &sband->ht_cap,
 654 +                                                chan,
 655 +                                                channel_type);
 656 +       }
 657 +
 658         if (local->hw.queues >= 4) {
 659                 pos = skb_put(skb, 9);
 660                 *pos++ = WLAN_EID_VENDOR_SPECIFIC;
 661 @@ -195,6 +217,7 @@ static void __ieee80211_sta_join_ibss(st
 662         bss_change |= BSS_CHANGED_BEACON;
 663         bss_change |= BSS_CHANGED_BEACON_ENABLED;
 664         bss_change |= BSS_CHANGED_BASIC_RATES;
 665 +       bss_change |= BSS_CHANGED_HT;
 666         bss_change |= BSS_CHANGED_IBSS;
 667         sdata->vif.bss_conf.ibss_joined = true;
 668         ieee80211_bss_info_change_notify(sdata, bss_change);
 669 @@ -268,6 +291,8 @@ static void ieee80211_rx_bss_info(struct
 670         u64 beacon_timestamp, rx_timestamp;
 671         u32 supp_rates = 0;
 672         enum ieee80211_band band = rx_status->band;
 673 +       struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
 674 +       bool rates_updated = false;
 675
 676         if (elems->ds_params && elems->ds_params_len == 1)
 677                 freq = ieee80211_channel_to_frequency(elems->ds_params[0],
 678 @@ -307,7 +332,7 @@ static void ieee80211_rx_bss_info(struct
 679                                                 prev_rates,
 680                                                 sta->sta.supp_rates[band]);
 681  #endif
 682 -                                       rate_control_rate_init(sta);
 683 +                                       rates_updated = true;
 684                                 }
 685                         } else
 686                                 sta = ieee80211_ibss_add_sta(sdata, mgmt->bssid,
 687 @@ -318,6 +343,39 @@ static void ieee80211_rx_bss_info(struct
 688                 if (sta && elems->wmm_info)
 689                         set_sta_flag(sta, WLAN_STA_WME);
 690
 691 +               if (sta && elems->ht_info_elem && elems->ht_cap_elem &&
 692 +                   sdata->u.ibss.channel_type != NL80211_CHAN_NO_HT) {
 693 +                       /* we both use HT */
 694 +                       struct ieee80211_sta_ht_cap sta_ht_cap_new;
 695 +                       enum nl80211_channel_type channel_type =
 696 +                               ieee80211_ht_info_to_channel_type(
 697 +                                                       elems->ht_info_elem);
 698 +
 699 +                       ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 700 +                                                         elems->ht_cap_elem,
 701 +                                                         &sta_ht_cap_new);
 702 +
 703 +                       /*
 704 +                        * fall back to HT20 if we don't use or use
 705 +                        * the other extension channel
 706 +                        */
 707 +                       if ((channel_type == NL80211_CHAN_HT40MINUS ||
 708 +                            channel_type == NL80211_CHAN_HT40PLUS) &&
 709 +                           channel_type != sdata->u.ibss.channel_type)
 710 +                               sta_ht_cap_new.cap &=
 711 +                                       ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
 712 +
 713 +                       if (memcmp(&sta->sta.ht_cap, &sta_ht_cap_new,
 714 +                                  sizeof(sta_ht_cap_new))) {
 715 +                               memcpy(&sta->sta.ht_cap, &sta_ht_cap_new,
 716 +                                      sizeof(sta_ht_cap_new));
 717 +                               rates_updated = true;
 718 +                       }
 719 +               }
 720 +
 721 +               if (sta && rates_updated)
 722 +                       rate_control_rate_init(sta);
 723 +
 724                 rcu_read_unlock();
 725         }
 726
 727 @@ -896,12 +954,18 @@ int ieee80211_ibss_join(struct ieee80211
 728                         struct cfg80211_ibss_params *params)
 729  {
 730         struct sk_buff *skb;
 731 +       u32 changed = 0;
 732
 733         skb = dev_alloc_skb(sdata->local->hw.extra_tx_headroom +
 734 -                           36 /* bitrates */ +
 735 -                           34 /* SSID */ +
 736 -                           3  /* DS params */ +
 737 -                           4  /* IBSS params */ +
 738 +                           sizeof(struct ieee80211_hdr_3addr) +
 739 +                           12 /* struct ieee80211_mgmt.u.beacon */ +
 740 +                           2 + IEEE80211_MAX_SSID_LEN /* max SSID */ +
 741 +                           2 + 8 /* max Supported Rates */ +
 742 +                           3 /* max DS params */ +
 743 +                           4 /* IBSS params */ +
 744 +                           2 + (IEEE80211_MAX_SUPP_RATES - 8) +
 745 +                           2 + sizeof(struct ieee80211_ht_cap) +
 746 +                           2 + sizeof(struct ieee80211_ht_info) +
 747                             params->ie_len);
 748         if (!skb)
 749                 return -ENOMEM;
 750 @@ -922,13 +986,15 @@ int ieee80211_ibss_join(struct ieee80211
 751         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 752
 753         sdata->u.ibss.channel = params->channel;
 754 +       sdata->u.ibss.channel_type = params->channel_type;
 755         sdata->u.ibss.fixed_channel = params->channel_fixed;
 756
 757         /* fix ourselves to that channel now already */
 758         if (params->channel_fixed) {
 759                 sdata->local->oper_channel = params->channel;
 760 -               WARN_ON(!ieee80211_set_channel_type(sdata->local, sdata,
 761 -                                                   NL80211_CHAN_NO_HT));
 762 +               if (!ieee80211_set_channel_type(sdata->local, sdata,
 763 +                                              params->channel_type))
 764 +                       return -EINVAL;
 765         }
 766
 767         if (params->ie) {
 768 @@ -951,6 +1017,23 @@ int ieee80211_ibss_join(struct ieee80211
 769         ieee80211_recalc_idle(sdata->local);
 770         mutex_unlock(&sdata->local->mtx);
 771
 772 +       /*
 773 +        * 802.11n-2009 9.13.3.1: In an IBSS, the HT Protection field is
 774 +        * reserved, but an HT STA shall protect HT transmissions as though
 775 +        * the HT Protection field were set to non-HT mixed mode.
 776 +        *
 777 +        * In an IBSS, the RIFS Mode field of the HT Operation element is
 778 +        * also reserved, but an HT STA shall operate as though this field
 779 +        * were set to 1.
 780 +        */
 781 +
 782 +       sdata->vif.bss_conf.ht_operation_mode |=
 783 +                 IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED
 784 +               | IEEE80211_HT_PARAM_RIFS_MODE;
 785 +
 786 +       changed |= BSS_CHANGED_HT;
 787 +       ieee80211_bss_info_change_notify(sdata, changed);
 788 +
 789         ieee80211_queue_work(&sdata->local->hw, &sdata->work);
 790
 791         return 0;
 792 --- a/net/mac80211/ieee80211_i.h
 793 +++ b/net/mac80211/ieee80211_i.h
 794 @@ -474,6 +474,7 @@ struct ieee80211_if_ibss {
 795         u8 ssid_len, ie_len;
 796         u8 *ie;
 797         struct ieee80211_channel *channel;
 798 +       enum nl80211_channel_type channel_type;
 799
 800         unsigned long ibss_join_req;
 801         /* probe response/beacon for IBSS */
 802 --- a/net/mac80211/iface.c
 803 +++ b/net/mac80211/iface.c
 804 @@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
 805  {
 806         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 807         struct ieee80211_local *local = sdata->local;
 808 -       struct sta_info *sta;
 809         u32 changed = 0;
 810         int res;
 811         u32 hw_reconf_flags = 0;
 812 @@ -309,27 +308,6 @@ static int ieee80211_do_open(struct net_
 813
 814         set_bit(SDATA_STATE_RUNNING, &sdata->state);
 815
 816 -       if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 817 -               /* Create STA entry for the WDS peer */
 818 -               sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
 819 -                                    GFP_KERNEL);
 820 -               if (!sta) {
 821 -                       res = -ENOMEM;
 822 -                       goto err_del_interface;
 823 -               }
 824 -
 825 -               /* no atomic bitop required since STA is not live yet */
 826 -               set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 827 -
 828 -               res = sta_info_insert(sta);
 829 -               if (res) {
 830 -                       /* STA has been freed */
 831 -                       goto err_del_interface;
 832 -               }
 833 -
 834 -               rate_control_rate_init(sta);
 835 -       }
 836 -
 837         /*
 838          * set_multicast_list will be invoked by the networking core
 839          * which will check whether any increments here were done in
 840 @@ -356,8 +334,7 @@ static int ieee80211_do_open(struct net_
 841         netif_tx_start_all_queues(dev);
 842
 843         return 0;
 844 - err_del_interface:
 845 -       drv_remove_interface(local, sdata);
 846 +
 847   err_stop:
 848         if (!local->open_count)
 849                 drv_stop(local);
 850 @@ -719,6 +696,70 @@ static void ieee80211_if_setup(struct ne
 851         dev->destructor = free_netdev;
 852  }
 853
 854 +static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 855 +                                        struct sk_buff *skb)
 856 +{
 857 +       struct ieee80211_local *local = sdata->local;
 858 +       struct ieee80211_rx_status *rx_status;
 859 +       struct ieee802_11_elems elems;
 860 +       struct ieee80211_mgmt *mgmt;
 861 +       struct sta_info *sta;
 862 +       size_t baselen;
 863 +       u32 rates = 0;
 864 +       u16 stype;
 865 +       bool new = false;
 866 +       enum ieee80211_band band = local->hw.conf.channel->band;
 867 +       struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
 868 +
 869 +       rx_status = IEEE80211_SKB_RXCB(skb);
 870 +       mgmt = (struct ieee80211_mgmt *) skb->data;
 871 +       stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
 872 +
 873 +       if (stype != IEEE80211_STYPE_BEACON)
 874 +               return;
 875 +
 876 +       baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
 877 +       if (baselen > skb->len)
 878 +               return;
 879 +
 880 +       ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
 881 +                              skb->len - baselen, &elems);
 882 +
 883 +       rates = ieee80211_sta_get_rates(local, &elems, band);
 884 +
 885 +       rcu_read_lock();
 886 +
 887 +       sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
 888 +
 889 +       if (!sta) {
 890 +               rcu_read_unlock();
 891 +               sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
 892 +                                    GFP_KERNEL);
 893 +               if (!sta)
 894 +                       return;
 895 +
 896 +               new = true;
 897 +       }
 898 +
 899 +       sta->last_rx = jiffies;
 900 +       sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 901 +
 902 +       if (elems.ht_cap_elem)
 903 +               ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 904 +                               elems.ht_cap_elem, &sta->sta.ht_cap);
 905 +
 906 +       if (elems.wmm_param)
 907 +               set_sta_flag(sta, WLAN_STA_WME);
 908 +
 909 +       if (new) {
 910 +               set_sta_flag(sta, WLAN_STA_AUTHORIZED);
 911 +               rate_control_rate_init(sta);
 912 +               sta_info_insert_rcu(sta);
 913 +       }
 914 +
 915 +       rcu_read_unlock();
 916 +}
 917 +
 918  static void ieee80211_iface_work(struct work_struct *work)
 919  {
 920         struct ieee80211_sub_if_data *sdata =
 921 @@ -823,6 +864,9 @@ static void ieee80211_iface_work(struct
 922                                 break;
 923                         ieee80211_mesh_rx_queued_mgmt(sdata, skb);
 924                         break;
 925 +               case NL80211_IFTYPE_WDS:
 926 +                       ieee80211_wds_rx_queued_mgmt(sdata, skb);
 927 +                       break;
 928                 default:
 929                         WARN(1, "frame for unexpected interface type");
 930                         break;
 931 --- a/net/mac80211/main.c
 932 +++ b/net/mac80211/main.c
 933 @@ -574,7 +574,8 @@ struct ieee80211_hw *ieee80211_alloc_hw(
 934                         WIPHY_FLAG_OFFCHAN_TX |
 935                         WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 936
 937 -       wiphy->features = NL80211_FEATURE_SK_TX_STATUS;
 938 +       wiphy->features = NL80211_FEATURE_SK_TX_STATUS |
 939 +                         NL80211_FEATURE_HT_IBSS;
 940
 941         if (!ops->set_key)
 942                 wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
 943 --- a/net/mac80211/rx.c
 944 +++ b/net/mac80211/rx.c
 945 @@ -2237,7 +2237,9 @@ ieee80211_rx_h_action(struct ieee80211_r
 946                 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 947                     sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
 948                     sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 949 -                   sdata->vif.type != NL80211_IFTYPE_AP)
 950 +                   sdata->vif.type != NL80211_IFTYPE_AP &&
 951 +                   sdata->vif.type != NL80211_IFTYPE_WDS &&
 952 +                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
 953                         break;
 954
 955                 /* verify action_code is present */
 956 @@ -2452,13 +2454,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
 957
 958         if (!ieee80211_vif_is_mesh(&sdata->vif) &&
 959             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 960 -           sdata->vif.type != NL80211_IFTYPE_STATION)
 961 +           sdata->vif.type != NL80211_IFTYPE_STATION &&
 962 +           sdata->vif.type != NL80211_IFTYPE_WDS)
 963                 return RX_DROP_MONITOR;
 964
 965         switch (stype) {
 966         case cpu_to_le16(IEEE80211_STYPE_BEACON):
 967         case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
 968 -               /* process for all: mesh, mlme, ibss */
 969 +               /* process for all: mesh, mlme, ibss, wds */
 970                 break;
 971         case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
 972         case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
 973 @@ -2796,19 +2799,32 @@ static int prepare_for_handlers(struct i
 974                                 return 0;
 975                 } else if (!ieee80211_bssid_match(bssid,
 976                                         sdata->vif.addr)) {
 977 +                       /*
 978 +                        * Accept public action frames even when the
 979 +                        * BSSID doesn't match, this is used for P2P
 980 +                        * and location updates. Note that mac80211
 981 +                        * itself never looks at these frames.
 982 +                        */
 983                         if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
 984 -                           !ieee80211_is_beacon(hdr->frame_control) &&
 985 -                           !(ieee80211_is_action(hdr->frame_control) &&
 986 -                             sdata->vif.p2p))
 987 +                           ieee80211_is_public_action(hdr, skb->len))
 988 +                               return 1;
 989 +                       if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) &&
 990 +                           !ieee80211_is_beacon(hdr->frame_control))
 991                                 return 0;
 992                         status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
 993                 }
 994                 break;
 995         case NL80211_IFTYPE_WDS:
 996 -               if (bssid || !ieee80211_is_data(hdr->frame_control))
 997 -                       return 0;
 998                 if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
 999                         return 0;
1000 +
1001 +               if (ieee80211_is_data(hdr->frame_control) ||
1002 +                   ieee80211_is_action(hdr->frame_control)) {
1003 +                       if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
1004 +                               return 0;
1005 +               } else if (!ieee80211_is_beacon(hdr->frame_control))
1006 +                       return 0;
1007 +
1008                 break;
1009         default:
1010                 /* should never get here */
1011 --- a/net/mac80211/sta_info.h
1012 +++ b/net/mac80211/sta_info.h
1013 @@ -31,7 +31,6 @@
1014   * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
1015   *     frames.
1016   * @WLAN_STA_WME: Station is a QoS-STA.
1017 - * @WLAN_STA_WDS: Station is one of our WDS peers.
1018   * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
1019   *     IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
1020   *     frame to this station is transmitted.
1021 @@ -60,7 +59,6 @@ enum ieee80211_sta_info_flags {
1022         WLAN_STA_AUTHORIZED,
1023         WLAN_STA_SHORT_PREAMBLE,
1024         WLAN_STA_WME,
1025 -       WLAN_STA_WDS,
1026         WLAN_STA_CLEAR_PS_FILT,
1027         WLAN_STA_MFP,
1028         WLAN_STA_BLOCK_BA,
1029 --- a/net/mac80211/util.c
1030 +++ b/net/mac80211/util.c
1031 @@ -1612,6 +1612,11 @@ u8 *ieee80211_ie_build_ht_info(u8 *pos,
1032         }
1033         if (ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
1034                 ht_info->ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
1035 +
1036 +       /*
1037 +        * Note: According to 802.11n-2009 9.13.3.1, HT Protection field and
1038 +        * RIFS Mode are reserved in IBSS mode, therefore keep them at 0
1039 +        */
1040         ht_info->operation_mode = 0x0000;
1041         ht_info->stbc_param = 0x0000;
1042
1043 --- a/net/wireless/chan.c
1044 +++ b/net/wireless/chan.c
1045 @@ -6,6 +6,7 @@
1046   * Copyright 2009      Johannes Berg <johannes@sipsolutions.net>
1047   */
1048
1049 +#include <linux/export.h>
1050  #include <net/cfg80211.h>
1051  #include "core.h"
1052
1053 @@ -44,9 +45,9 @@ rdev_freq_to_chan(struct cfg80211_regist
1054         return chan;
1055  }
1056
1057 -static bool can_beacon_sec_chan(struct wiphy *wiphy,
1058 -                               struct ieee80211_channel *chan,
1059 -                               enum nl80211_channel_type channel_type)
1060 +int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
1061 +                                 struct ieee80211_channel *chan,
1062 +                                 enum nl80211_channel_type channel_type)
1063  {
1064         struct ieee80211_channel *sec_chan;
1065         int diff;
1066 @@ -75,6 +76,7 @@ static bool can_beacon_sec_chan(struct w
1067
1068         return true;
1069  }
1070 +EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan);
1071
1072  int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
1073                       struct wireless_dev *wdev, int freq,
1074 @@ -109,8 +111,8 @@ int cfg80211_set_freq(struct cfg80211_re
1075                 switch (channel_type) {
1076                 case NL80211_CHAN_HT40PLUS:
1077                 case NL80211_CHAN_HT40MINUS:
1078 -                       if (!can_beacon_sec_chan(&rdev->wiphy, chan,
1079 -                                                channel_type)) {
1080 +                       if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan,
1081 +                                                         channel_type)) {
1082                                 printk(KERN_DEBUG
1083                                        "cfg80211: Secondary channel not "
1084                                        "allowed to initiate communication\n");
1085 --- a/net/wireless/nl80211.c
1086 +++ b/net/wireless/nl80211.c
1087 @@ -4684,13 +4684,41 @@ static int nl80211_join_ibss(struct sk_b
1088                 ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
1089         }
1090
1091 -       ibss.channel = ieee80211_get_channel(wiphy,
1092 -               nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
1093 +       if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1094 +               enum nl80211_channel_type channel_type;
1095 +
1096 +               channel_type = nla_get_u32(
1097 +                               info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1098 +               if (channel_type != NL80211_CHAN_NO_HT &&
1099 +                   channel_type != NL80211_CHAN_HT20 &&
1100 +                   channel_type != NL80211_CHAN_HT40MINUS &&
1101 +                   channel_type != NL80211_CHAN_HT40PLUS)
1102 +                       return -EINVAL;
1103 +
1104 +               if (channel_type != NL80211_CHAN_NO_HT &&
1105 +                   !(wiphy->features & NL80211_FEATURE_HT_IBSS))
1106 +                       return -EINVAL;
1107 +
1108 +               ibss.channel_type = channel_type;
1109 +       } else {
1110 +               ibss.channel_type = NL80211_CHAN_NO_HT;
1111 +       }
1112 +
1113 +       ibss.channel = rdev_freq_to_chan(rdev,
1114 +               nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]),
1115 +               ibss.channel_type);
1116         if (!ibss.channel ||
1117             ibss.channel->flags & IEEE80211_CHAN_NO_IBSS ||
1118             ibss.channel->flags & IEEE80211_CHAN_DISABLED)
1119                 return -EINVAL;
1120
1121 +       /* Both channels should be able to initiate communication */
1122 +       if ((ibss.channel_type == NL80211_CHAN_HT40PLUS ||
1123 +            ibss.channel_type == NL80211_CHAN_HT40MINUS) &&
1124 +           !cfg80211_can_beacon_sec_chan(&rdev->wiphy, ibss.channel,
1125 +                                         ibss.channel_type))
1126 +               return -EINVAL;
1127 +
1128         ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED];
1129         ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
1130
1131 --- a/include/linux/ieee80211.h
1132 +++ b/include/linux/ieee80211.h
1133 @@ -1695,6 +1695,23 @@ static inline bool ieee80211_is_robust_m
1134  }
1135
1136  /**
1137 + * ieee80211_is_public_action - check if frame is a public action frame
1138 + * @hdr: the frame
1139 + * @len: length of the frame
1140 + */
1141 +static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
1142 +                                             size_t len)
1143 +{
1144 +       struct ieee80211_mgmt *mgmt = (void *)hdr;
1145 +
1146 +       if (len < 25)
1147 +               return false;
1148 +       if (!ieee80211_is_action(hdr->frame_control))
1149 +               return false;
1150 +       return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
1151 +}
1152 +
1153 +/**
1154   * ieee80211_fhss_chan_to_freq - get channel frequency
1155   * @channel: the FHSS channel
1156   *
1157 --- a/net/mac80211/tx.c
1158 +++ b/net/mac80211/tx.c
1159 @@ -1332,8 +1332,11 @@ static int invoke_tx_handlers(struct iee
1160         if (!(tx->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL))
1161                 CALL_TXH(ieee80211_tx_h_rate_ctrl);
1162
1163 -       if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION))
1164 +       if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) {
1165 +               __skb_queue_tail(&tx->skbs, tx->skb);
1166 +               tx->skb = NULL;
1167                 goto txh_done;
1168 +       }
1169
1170         CALL_TXH(ieee80211_tx_h_michael_mic_add);
1171         CALL_TXH(ieee80211_tx_h_sequence);