net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <linux/slab.h>
  13 #include <net/net_namespace.h>
  14 #include <linux/rcupdate.h>
  15 #include <linux/if_ether.h>
  16 #include <net/cfg80211.h>
  17 #include "ieee80211_i.h"
  18 #include "driver-ops.h"
  19 #include "cfg.h"
  20 #include "rate.h"
  21 #include "mesh.h"
  22
  23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
  24                                                 const char *name,
  25                                                 enum nl80211_iftype type,
  26                                                 u32 *flags,
  27                                                 struct vif_params *params)
  28 {
  29         struct ieee80211_local *local = wiphy_priv(wiphy);
  30         struct wireless_dev *wdev;
  31         struct ieee80211_sub_if_data *sdata;
  32         int err;
  33
  34         err = ieee80211_if_add(local, name, &wdev, type, params);
  35         if (err)
  36                 return ERR_PTR(err);
  37
  38         if (type == NL80211_IFTYPE_MONITOR && flags) {
  39                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
  40                 sdata->u.mntr_flags = *flags;
  41         }
  42
  43         return wdev;
  44 }
  45
  46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
  47 {
  48         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
  49
  50         return 0;
  51 }
  52
  53 static int ieee80211_change_iface(struct wiphy *wiphy,
  54                                   struct net_device *dev,
  55                                   enum nl80211_iftype type, u32 *flags,
  56                                   struct vif_params *params)
  57 {
  58         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  59         int ret;
  60
  61         ret = ieee80211_if_change_type(sdata, type);
  62         if (ret)
  63                 return ret;
  64
  65         if (type == NL80211_IFTYPE_AP_VLAN &&
  66             params && params->use_4addr == 0)
  67                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
  68         else if (type == NL80211_IFTYPE_STATION &&
  69                  params && params->use_4addr >= 0)
  70                 sdata->u.mgd.use_4addr = params->use_4addr;
  71
  72         if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
  73                 struct ieee80211_local *local = sdata->local;
  74
  75                 if (ieee80211_sdata_running(sdata)) {
  76                         u32 mask = MONITOR_FLAG_COOK_FRAMES |
  77                                    MONITOR_FLAG_ACTIVE;
  78
  79                         /*
  80                          * Prohibit MONITOR_FLAG_COOK_FRAMES and
  81                          * MONITOR_FLAG_ACTIVE to be changed while the
  82                          * interface is up.
  83                          * Else we would need to add a lot of cruft
  84                          * to update everything:
  85                          *      cooked_mntrs, monitor and all fif_* counters
  86                          *      reconfigure hardware
  87                          */
  88                         if ((*flags & mask) != (sdata->u.mntr_flags & mask))
  89                                 return -EBUSY;
  90
  91                         ieee80211_adjust_monitor_flags(sdata, -1);
  92                         sdata->u.mntr_flags = *flags;
  93                         ieee80211_adjust_monitor_flags(sdata, 1);
  94
  95                         ieee80211_configure_filter(local);
  96                 } else {
  97                         /*
  98                          * Because the interface is down, ieee80211_do_stop
  99                          * and ieee80211_do_open take care of "everything"
 100                          * mentioned in the comment above.
 101                          */
 102                         sdata->u.mntr_flags = *flags;
 103                 }
 104         }
 105
 106         return 0;
 107 }
 108
 109 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 110                                       struct wireless_dev *wdev)
 111 {
 112         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 113         int ret;
 114
 115         mutex_lock(&sdata->local->chanctx_mtx);
 116         ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
 117         mutex_unlock(&sdata->local->chanctx_mtx);
 118         if (ret < 0)
 119                 return ret;
 120
 121         return ieee80211_do_open(wdev, true);
 122 }
 123
 124 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 125                                       struct wireless_dev *wdev)
 126 {
 127         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 128 }
 129
 130 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 131                                   struct net_device *dev,
 132                                   u16 noack_map)
 133 {
 134         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 135
 136         sdata->noack_map = noack_map;
 137         return 0;
 138 }
 139
 140 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 141                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 142                              struct key_params *params)
 143 {
 144         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 145         struct ieee80211_local *local = sdata->local;
 146         struct sta_info *sta = NULL;
 147         const struct ieee80211_cipher_scheme *cs = NULL;
 148         struct ieee80211_key *key;
 149         int err;
 150
 151         if (!ieee80211_sdata_running(sdata))
 152                 return -ENETDOWN;
 153
 154         /* reject WEP and TKIP keys if WEP failed to initialize */
 155         switch (params->cipher) {
 156         case WLAN_CIPHER_SUITE_WEP40:
 157         case WLAN_CIPHER_SUITE_TKIP:
 158         case WLAN_CIPHER_SUITE_WEP104:
 159                 if (IS_ERR(local->wep_tx_tfm))
 160                         return -EINVAL;
 161                 break;
 162         case WLAN_CIPHER_SUITE_CCMP:
 163         case WLAN_CIPHER_SUITE_AES_CMAC:
 164         case WLAN_CIPHER_SUITE_GCMP:
 165                 break;
 166         default:
 167                 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
 168                 break;
 169         }
 170
 171         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 172                                   params->key, params->seq_len, params->seq,
 173                                   cs);
 174         if (IS_ERR(key))
 175                 return PTR_ERR(key);
 176
 177         if (pairwise)
 178                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 179
 180         mutex_lock(&local->sta_mtx);
 181
 182         if (mac_addr) {
 183                 if (ieee80211_vif_is_mesh(&sdata->vif))
 184                         sta = sta_info_get(sdata, mac_addr);
 185                 else
 186                         sta = sta_info_get_bss(sdata, mac_addr);
 187                 /*
 188                  * The ASSOC test makes sure the driver is ready to
 189                  * receive the key. When wpa_supplicant has roamed
 190                  * using FT, it attempts to set the key before
 191                  * association has completed, this rejects that attempt
 192                  * so it will set the key again after assocation.
 193                  *
 194                  * TODO: accept the key if we have a station entry and
 195                  *       add it to the device after the station.
 196                  */
 197                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 198                         ieee80211_key_free_unused(key);
 199                         err = -ENOENT;
 200                         goto out_unlock;
 201                 }
 202         }
 203
 204         switch (sdata->vif.type) {
 205         case NL80211_IFTYPE_STATION:
 206                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 207                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 208                 break;
 209         case NL80211_IFTYPE_AP:
 210         case NL80211_IFTYPE_AP_VLAN:
 211                 /* Keys without a station are used for TX only */
 212                 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
 213                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 214                 break;
 215         case NL80211_IFTYPE_ADHOC:
 216                 /* no MFP (yet) */
 217                 break;
 218         case NL80211_IFTYPE_MESH_POINT:
 219 #ifdef CONFIG_MAC80211_MESH
 220                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 221                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 222                 break;
 223 #endif
 224         case NL80211_IFTYPE_WDS:
 225         case NL80211_IFTYPE_MONITOR:
 226         case NL80211_IFTYPE_P2P_DEVICE:
 227         case NL80211_IFTYPE_UNSPECIFIED:
 228         case NUM_NL80211_IFTYPES:
 229         case NL80211_IFTYPE_P2P_CLIENT:
 230         case NL80211_IFTYPE_P2P_GO:
 231                 /* shouldn't happen */
 232                 WARN_ON_ONCE(1);
 233                 break;
 234         }
 235
 236         if (sta)
 237                 sta->cipher_scheme = cs;
 238
 239         err = ieee80211_key_link(key, sdata, sta);
 240
 241  out_unlock:
 242         mutex_unlock(&local->sta_mtx);
 243
 244         return err;
 245 }
 246
 247 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 248                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 249 {
 250         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 251         struct ieee80211_local *local = sdata->local;
 252         struct sta_info *sta;
 253         struct ieee80211_key *key = NULL;
 254         int ret;
 255
 256         mutex_lock(&local->sta_mtx);
 257         mutex_lock(&local->key_mtx);
 258
 259         if (mac_addr) {
 260                 ret = -ENOENT;
 261
 262                 sta = sta_info_get_bss(sdata, mac_addr);
 263                 if (!sta)
 264                         goto out_unlock;
 265
 266                 if (pairwise)
 267                         key = key_mtx_dereference(local, sta->ptk[key_idx]);
 268                 else
 269                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 270         } else
 271                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 272
 273         if (!key) {
 274                 ret = -ENOENT;
 275                 goto out_unlock;
 276         }
 277
 278         ieee80211_key_free(key, true);
 279
 280         ret = 0;
 281  out_unlock:
 282         mutex_unlock(&local->key_mtx);
 283         mutex_unlock(&local->sta_mtx);
 284
 285         return ret;
 286 }
 287
 288 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 289                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 290                              void *cookie,
 291                              void (*callback)(void *cookie,
 292                                               struct key_params *params))
 293 {
 294         struct ieee80211_sub_if_data *sdata;
 295         struct sta_info *sta = NULL;
 296         u8 seq[6] = {0};
 297         struct key_params params;
 298         struct ieee80211_key *key = NULL;
 299         u64 pn64;
 300         u32 iv32;
 301         u16 iv16;
 302         int err = -ENOENT;
 303
 304         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 305
 306         rcu_read_lock();
 307
 308         if (mac_addr) {
 309                 sta = sta_info_get_bss(sdata, mac_addr);
 310                 if (!sta)
 311                         goto out;
 312
 313                 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
 314                         key = rcu_dereference(sta->ptk[key_idx]);
 315                 else if (!pairwise &&
 316                          key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
 317                         key = rcu_dereference(sta->gtk[key_idx]);
 318         } else
 319                 key = rcu_dereference(sdata->keys[key_idx]);
 320
 321         if (!key)
 322                 goto out;
 323
 324         memset(&params, 0, sizeof(params));
 325
 326         params.cipher = key->conf.cipher;
 327
 328         switch (key->conf.cipher) {
 329         case WLAN_CIPHER_SUITE_TKIP:
 330                 iv32 = key->u.tkip.tx.iv32;
 331                 iv16 = key->u.tkip.tx.iv16;
 332
 333                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 334                         drv_get_tkip_seq(sdata->local,
 335                                          key->conf.hw_key_idx,
 336                                          &iv32, &iv16);
 337
 338                 seq[0] = iv16 & 0xff;
 339                 seq[1] = (iv16 >> 8) & 0xff;
 340                 seq[2] = iv32 & 0xff;
 341                 seq[3] = (iv32 >> 8) & 0xff;
 342                 seq[4] = (iv32 >> 16) & 0xff;
 343                 seq[5] = (iv32 >> 24) & 0xff;
 344                 params.seq = seq;
 345                 params.seq_len = 6;
 346                 break;
 347         case WLAN_CIPHER_SUITE_CCMP:
 348                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 349                 seq[0] = pn64;
 350                 seq[1] = pn64 >> 8;
 351                 seq[2] = pn64 >> 16;
 352                 seq[3] = pn64 >> 24;
 353                 seq[4] = pn64 >> 32;
 354                 seq[5] = pn64 >> 40;
 355                 params.seq = seq;
 356                 params.seq_len = 6;
 357                 break;
 358         case WLAN_CIPHER_SUITE_AES_CMAC:
 359                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 360                 seq[0] = pn64;
 361                 seq[1] = pn64 >> 8;
 362                 seq[2] = pn64 >> 16;
 363                 seq[3] = pn64 >> 24;
 364                 seq[4] = pn64 >> 32;
 365                 seq[5] = pn64 >> 40;
 366                 params.seq = seq;
 367                 params.seq_len = 6;
 368                 break;
 369         }
 370
 371         params.key = key->conf.key;
 372         params.key_len = key->conf.keylen;
 373
 374         callback(cookie, &params);
 375         err = 0;
 376
 377  out:
 378         rcu_read_unlock();
 379         return err;
 380 }
 381
 382 static int ieee80211_config_default_key(struct wiphy *wiphy,
 383                                         struct net_device *dev,
 384                                         u8 key_idx, bool uni,
 385                                         bool multi)
 386 {
 387         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 388
 389         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 390
 391         return 0;
 392 }
 393
 394 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 395                                              struct net_device *dev,
 396                                              u8 key_idx)
 397 {
 398         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 399
 400         ieee80211_set_default_mgmt_key(sdata, key_idx);
 401
 402         return 0;
 403 }
 404
 405 void sta_set_rate_info_tx(struct sta_info *sta,
 406                           const struct ieee80211_tx_rate *rate,
 407                           struct rate_info *rinfo)
 408 {
 409         rinfo->flags = 0;
 410         if (rate->flags & IEEE80211_TX_RC_MCS) {
 411                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 412                 rinfo->mcs = rate->idx;
 413         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 414                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 415                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 416                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 417         } else {
 418                 struct ieee80211_supported_band *sband;
 419                 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
 420                 u16 brate;
 421
 422                 sband = sta->local->hw.wiphy->bands[
 423                                 ieee80211_get_sdata_band(sta->sdata)];
 424                 brate = sband->bitrates[rate->idx].bitrate;
 425                 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
 426         }
 427         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 428                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 429         if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 430                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 431         if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 432                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 433         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 434                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 435 }
 436
 437 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 438 {
 439         rinfo->flags = 0;
 440
 441         if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 442                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 443                 rinfo->mcs = sta->last_rx_rate_idx;
 444         } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
 445                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 446                 rinfo->nss = sta->last_rx_rate_vht_nss;
 447                 rinfo->mcs = sta->last_rx_rate_idx;
 448         } else {
 449                 struct ieee80211_supported_band *sband;
 450                 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
 451                 u16 brate;
 452
 453                 sband = sta->local->hw.wiphy->bands[
 454                                 ieee80211_get_sdata_band(sta->sdata)];
 455                 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate;
 456                 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
 457         }
 458
 459         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 460                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 461         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 462                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 463         if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ)
 464                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 465         if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80P80MHZ)
 466                 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
 467         if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ)
 468                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 469 }
 470
 471 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 472 {
 473         struct ieee80211_sub_if_data *sdata = sta->sdata;
 474         struct ieee80211_local *local = sdata->local;
 475         struct timespec uptime;
 476         u64 packets = 0;
 477         int i, ac;
 478
 479         sinfo->generation = sdata->local->sta_generation;
 480
 481         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 482                         STATION_INFO_RX_BYTES64 |
 483                         STATION_INFO_TX_BYTES64 |
 484                         STATION_INFO_RX_PACKETS |
 485                         STATION_INFO_TX_PACKETS |
 486                         STATION_INFO_TX_RETRIES |
 487                         STATION_INFO_TX_FAILED |
 488                         STATION_INFO_TX_BITRATE |
 489                         STATION_INFO_RX_BITRATE |
 490                         STATION_INFO_RX_DROP_MISC |
 491                         STATION_INFO_BSS_PARAM |
 492                         STATION_INFO_CONNECTED_TIME |
 493                         STATION_INFO_STA_FLAGS |
 494                         STATION_INFO_BEACON_LOSS_COUNT;
 495
 496         do_posix_clock_monotonic_gettime(&uptime);
 497         sinfo->connected_time = uptime.tv_sec - sta->last_connected;
 498
 499         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 500         sinfo->tx_bytes = 0;
 501         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 502                 sinfo->tx_bytes += sta->tx_bytes[ac];
 503                 packets += sta->tx_packets[ac];
 504         }
 505         sinfo->tx_packets = packets;
 506         sinfo->rx_bytes = sta->rx_bytes;
 507         sinfo->rx_packets = sta->rx_packets;
 508         sinfo->tx_retries = sta->tx_retry_count;
 509         sinfo->tx_failed = sta->tx_retry_failed;
 510         sinfo->rx_dropped_misc = sta->rx_dropped;
 511         sinfo->beacon_loss_count = sta->beacon_loss_count;
 512
 513         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 514             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 515                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 516                 if (!local->ops->get_rssi ||
 517                     drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
 518                         sinfo->signal = (s8)sta->last_signal;
 519                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 520         }
 521         if (sta->chains) {
 522                 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
 523                                  STATION_INFO_CHAIN_SIGNAL_AVG;
 524
 525                 sinfo->chains = sta->chains;
 526                 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
 527                         sinfo->chain_signal[i] = sta->chain_signal_last[i];
 528                         sinfo->chain_signal_avg[i] =
 529                                 (s8) -ewma_read(&sta->chain_signal_avg[i]);
 530                 }
 531         }
 532
 533         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 534         sta_set_rate_info_rx(sta, &sinfo->rxrate);
 535
 536         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 537 #ifdef CONFIG_MAC80211_MESH
 538                 sinfo->filled |= STATION_INFO_LLID |
 539                                  STATION_INFO_PLID |
 540                                  STATION_INFO_PLINK_STATE |
 541                                  STATION_INFO_LOCAL_PM |
 542                                  STATION_INFO_PEER_PM |
 543                                  STATION_INFO_NONPEER_PM;
 544
 545                 sinfo->llid = sta->llid;
 546                 sinfo->plid = sta->plid;
 547                 sinfo->plink_state = sta->plink_state;
 548                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 549                         sinfo->filled |= STATION_INFO_T_OFFSET;
 550                         sinfo->t_offset = sta->t_offset;
 551                 }
 552                 sinfo->local_pm = sta->local_pm;
 553                 sinfo->peer_pm = sta->peer_pm;
 554                 sinfo->nonpeer_pm = sta->nonpeer_pm;
 555 #endif
 556         }
 557
 558         sinfo->bss_param.flags = 0;
 559         if (sdata->vif.bss_conf.use_cts_prot)
 560                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 561         if (sdata->vif.bss_conf.use_short_preamble)
 562                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 563         if (sdata->vif.bss_conf.use_short_slot)
 564                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 565         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 566         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 567
 568         sinfo->sta_flags.set = 0;
 569         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 570                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 571                                 BIT(NL80211_STA_FLAG_WME) |
 572                                 BIT(NL80211_STA_FLAG_MFP) |
 573                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 574                                 BIT(NL80211_STA_FLAG_ASSOCIATED) |
 575                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 576         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 577                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 578         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 579                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 580         if (test_sta_flag(sta, WLAN_STA_WME))
 581                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 582         if (test_sta_flag(sta, WLAN_STA_MFP))
 583                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 584         if (test_sta_flag(sta, WLAN_STA_AUTH))
 585                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 586         if (test_sta_flag(sta, WLAN_STA_ASSOC))
 587                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
 588         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 589                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 590 }
 591
 592 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 593         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 594         "rx_duplicates", "rx_fragments", "rx_dropped",
 595         "tx_packets", "tx_bytes", "tx_fragments",
 596         "tx_filtered", "tx_retry_failed", "tx_retries",
 597         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 598         "channel", "noise", "ch_time", "ch_time_busy",
 599         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 600 };
 601 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 602
 603 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 604                                        struct net_device *dev,
 605                                        int sset)
 606 {
 607         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 608         int rv = 0;
 609
 610         if (sset == ETH_SS_STATS)
 611                 rv += STA_STATS_LEN;
 612
 613         rv += drv_get_et_sset_count(sdata, sset);
 614
 615         if (rv == 0)
 616                 return -EOPNOTSUPP;
 617         return rv;
 618 }
 619
 620 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 621                                    struct net_device *dev,
 622                                    struct ethtool_stats *stats,
 623                                    u64 *data)
 624 {
 625         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 626         struct ieee80211_chanctx_conf *chanctx_conf;
 627         struct ieee80211_channel *channel;
 628         struct sta_info *sta;
 629         struct ieee80211_local *local = sdata->local;
 630         struct station_info sinfo;
 631         struct survey_info survey;
 632         int i, q;
 633 #define STA_STATS_SURVEY_LEN 7
 634
 635         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 636
 637 #define ADD_STA_STATS(sta)                              \
 638         do {                                            \
 639                 data[i++] += sta->rx_packets;           \
 640                 data[i++] += sta->rx_bytes;             \
 641                 data[i++] += sta->wep_weak_iv_count;    \
 642                 data[i++] += sta->num_duplicates;       \
 643                 data[i++] += sta->rx_fragments;         \
 644                 data[i++] += sta->rx_dropped;           \
 645                                                         \
 646                 data[i++] += sinfo.tx_packets;          \
 647                 data[i++] += sinfo.tx_bytes;            \
 648                 data[i++] += sta->tx_fragments;         \
 649                 data[i++] += sta->tx_filtered_count;    \
 650                 data[i++] += sta->tx_retry_failed;      \
 651                 data[i++] += sta->tx_retry_count;       \
 652                 data[i++] += sta->beacon_loss_count;    \
 653         } while (0)
 654
 655         /* For Managed stations, find the single station based on BSSID
 656          * and use that.  For interface types, iterate through all available
 657          * stations and add stats for any station that is assigned to this
 658          * network device.
 659          */
 660
 661         mutex_lock(&local->sta_mtx);
 662
 663         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 664                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 665
 666                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 667                         goto do_survey;
 668
 669                 sinfo.filled = 0;
 670                 sta_set_sinfo(sta, &sinfo);
 671
 672                 i = 0;
 673                 ADD_STA_STATS(sta);
 674
 675                 data[i++] = sta->sta_state;
 676
 677
 678                 if (sinfo.filled & STATION_INFO_TX_BITRATE)
 679                         data[i] = 100000 *
 680                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 681                 i++;
 682                 if (sinfo.filled & STATION_INFO_RX_BITRATE)
 683                         data[i] = 100000 *
 684                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 685                 i++;
 686
 687                 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
 688                         data[i] = (u8)sinfo.signal_avg;
 689                 i++;
 690         } else {
 691                 list_for_each_entry(sta, &local->sta_list, list) {
 692                         /* Make sure this station belongs to the proper dev */
 693                         if (sta->sdata->dev != dev)
 694                                 continue;
 695
 696                         sinfo.filled = 0;
 697                         sta_set_sinfo(sta, &sinfo);
 698                         i = 0;
 699                         ADD_STA_STATS(sta);
 700                 }
 701         }
 702
 703 do_survey:
 704         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 705         /* Get survey stats for current channel */
 706         survey.filled = 0;
 707
 708         rcu_read_lock();
 709         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 710         if (chanctx_conf)
 711                 channel = chanctx_conf->def.chan;
 712         else
 713                 channel = NULL;
 714         rcu_read_unlock();
 715
 716         if (channel) {
 717                 q = 0;
 718                 do {
 719                         survey.filled = 0;
 720                         if (drv_get_survey(local, q, &survey) != 0) {
 721                                 survey.filled = 0;
 722                                 break;
 723                         }
 724                         q++;
 725                 } while (channel != survey.channel);
 726         }
 727
 728         if (survey.filled)
 729                 data[i++] = survey.channel->center_freq;
 730         else
 731                 data[i++] = 0;
 732         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 733                 data[i++] = (u8)survey.noise;
 734         else
 735                 data[i++] = -1LL;
 736         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 737                 data[i++] = survey.channel_time;
 738         else
 739                 data[i++] = -1LL;
 740         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 741                 data[i++] = survey.channel_time_busy;
 742         else
 743                 data[i++] = -1LL;
 744         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 745                 data[i++] = survey.channel_time_ext_busy;
 746         else
 747                 data[i++] = -1LL;
 748         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 749                 data[i++] = survey.channel_time_rx;
 750         else
 751                 data[i++] = -1LL;
 752         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 753                 data[i++] = survey.channel_time_tx;
 754         else
 755                 data[i++] = -1LL;
 756
 757         mutex_unlock(&local->sta_mtx);
 758
 759         if (WARN_ON(i != STA_STATS_LEN))
 760                 return;
 761
 762         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 763 }
 764
 765 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 766                                      struct net_device *dev,
 767                                      u32 sset, u8 *data)
 768 {
 769         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 770         int sz_sta_stats = 0;
 771
 772         if (sset == ETH_SS_STATS) {
 773                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 774                 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
 775         }
 776         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 777 }
 778
 779 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 780                                  int idx, u8 *mac, struct station_info *sinfo)
 781 {
 782         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 783         struct ieee80211_local *local = sdata->local;
 784         struct sta_info *sta;
 785         int ret = -ENOENT;
 786
 787         mutex_lock(&local->sta_mtx);
 788
 789         sta = sta_info_get_by_idx(sdata, idx);
 790         if (sta) {
 791                 ret = 0;
 792                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 793                 sta_set_sinfo(sta, sinfo);
 794         }
 795
 796         mutex_unlock(&local->sta_mtx);
 797
 798         return ret;
 799 }
 800
 801 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 802                                  int idx, struct survey_info *survey)
 803 {
 804         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 805
 806         return drv_get_survey(local, idx, survey);
 807 }
 808
 809 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 810                                  u8 *mac, struct station_info *sinfo)
 811 {
 812         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 813         struct ieee80211_local *local = sdata->local;
 814         struct sta_info *sta;
 815         int ret = -ENOENT;
 816
 817         mutex_lock(&local->sta_mtx);
 818
 819         sta = sta_info_get_bss(sdata, mac);
 820         if (sta) {
 821                 ret = 0;
 822                 sta_set_sinfo(sta, sinfo);
 823         }
 824
 825         mutex_unlock(&local->sta_mtx);
 826
 827         return ret;
 828 }
 829
 830 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 831                                          struct cfg80211_chan_def *chandef)
 832 {
 833         struct ieee80211_local *local = wiphy_priv(wiphy);
 834         struct ieee80211_sub_if_data *sdata;
 835         int ret = 0;
 836
 837         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 838                 return 0;
 839
 840         mutex_lock(&local->mtx);
 841         mutex_lock(&local->iflist_mtx);
 842         if (local->use_chanctx) {
 843                 sdata = rcu_dereference_protected(
 844                                 local->monitor_sdata,
 845                                 lockdep_is_held(&local->iflist_mtx));
 846                 if (sdata) {
 847                         ieee80211_vif_release_channel(sdata);
 848                         ret = ieee80211_vif_use_channel(sdata, chandef,
 849                                         IEEE80211_CHANCTX_EXCLUSIVE);
 850                 }
 851         } else if (local->open_count == local->monitors) {
 852                 local->_oper_chandef = *chandef;
 853                 ieee80211_hw_config(local, 0);
 854         }
 855
 856         if (ret == 0)
 857                 local->monitor_chandef = *chandef;
 858         mutex_unlock(&local->iflist_mtx);
 859         mutex_unlock(&local->mtx);
 860
 861         return ret;
 862 }
 863
 864 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 865                                     const u8 *resp, size_t resp_len)
 866 {
 867         struct probe_resp *new, *old;
 868
 869         if (!resp || !resp_len)
 870                 return 1;
 871
 872         old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
 873
 874         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 875         if (!new)
 876                 return -ENOMEM;
 877
 878         new->len = resp_len;
 879         memcpy(new->data, resp, resp_len);
 880
 881         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 882         if (old)
 883                 kfree_rcu(old, rcu_head);
 884
 885         return 0;
 886 }
 887
 888 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 889                                    struct cfg80211_beacon_data *params)
 890 {
 891         struct beacon_data *new, *old;
 892         int new_head_len, new_tail_len;
 893         int size, err;
 894         u32 changed = BSS_CHANGED_BEACON;
 895
 896         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 897
 898
 899         /* Need to have a beacon head if we don't have one yet */
 900         if (!params->head && !old)
 901                 return -EINVAL;
 902
 903         /* new or old head? */
 904         if (params->head)
 905                 new_head_len = params->head_len;
 906         else
 907                 new_head_len = old->head_len;
 908
 909         /* new or old tail? */
 910         if (params->tail || !old)
 911                 /* params->tail_len will be zero for !params->tail */
 912                 new_tail_len = params->tail_len;
 913         else
 914                 new_tail_len = old->tail_len;
 915
 916         size = sizeof(*new) + new_head_len + new_tail_len;
 917
 918         new = kzalloc(size, GFP_KERNEL);
 919         if (!new)
 920                 return -ENOMEM;
 921
 922         /* start filling the new info now */
 923
 924         /*
 925          * pointers go into the block we allocated,
 926          * memory is | beacon_data | head | tail |
 927          */
 928         new->head = ((u8 *) new) + sizeof(*new);
 929         new->tail = new->head + new_head_len;
 930         new->head_len = new_head_len;
 931         new->tail_len = new_tail_len;
 932
 933         /* copy in head */
 934         if (params->head)
 935                 memcpy(new->head, params->head, new_head_len);
 936         else
 937                 memcpy(new->head, old->head, new_head_len);
 938
 939         /* copy in optional tail */
 940         if (params->tail)
 941                 memcpy(new->tail, params->tail, new_tail_len);
 942         else
 943                 if (old)
 944                         memcpy(new->tail, old->tail, new_tail_len);
 945
 946         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 947                                        params->probe_resp_len);
 948         if (err < 0)
 949                 return err;
 950         if (err == 0)
 951                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 952
 953         rcu_assign_pointer(sdata->u.ap.beacon, new);
 954
 955         if (old)
 956                 kfree_rcu(old, rcu_head);
 957
 958         return changed;
 959 }
 960
 961 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 962                               struct cfg80211_ap_settings *params)
 963 {
 964         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 965         struct ieee80211_local *local = sdata->local;
 966         struct beacon_data *old;
 967         struct ieee80211_sub_if_data *vlan;
 968         u32 changed = BSS_CHANGED_BEACON_INT |
 969                       BSS_CHANGED_BEACON_ENABLED |
 970                       BSS_CHANGED_BEACON |
 971                       BSS_CHANGED_SSID |
 972                       BSS_CHANGED_P2P_PS;
 973         int err;
 974
 975         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 976         if (old)
 977                 return -EALREADY;
 978
 979         /* TODO: make hostapd tell us what it wants */
 980         sdata->smps_mode = IEEE80211_SMPS_OFF;
 981         sdata->needed_rx_chains = sdata->local->rx_chains;
 982
 983         mutex_lock(&local->mtx);
 984         err = ieee80211_vif_use_channel(sdata, &params->chandef,
 985                                         IEEE80211_CHANCTX_SHARED);
 986         if (!err)
 987                 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
 988         mutex_unlock(&local->mtx);
 989         if (err)
 990                 return err;
 991
 992         /*
 993          * Apply control port protocol, this allows us to
 994          * not encrypt dynamic WEP control frames.
 995          */
 996         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 997         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 998         sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
 999                                                         &params->crypto,
1000                                                         sdata->vif.type);
1001
1002         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1003                 vlan->control_port_protocol =
1004                         params->crypto.control_port_ethertype;
1005                 vlan->control_port_no_encrypt =
1006                         params->crypto.control_port_no_encrypt;
1007                 vlan->encrypt_headroom =
1008                         ieee80211_cs_headroom(sdata->local,
1009                                               &params->crypto,
1010                                               vlan->vif.type);
1011         }
1012
1013         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1014         sdata->vif.bss_conf.dtim_period = params->dtim_period;
1015         sdata->vif.bss_conf.enable_beacon = true;
1016
1017         sdata->vif.bss_conf.ssid_len = params->ssid_len;
1018         if (params->ssid_len)
1019                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1020                        params->ssid_len);
1021         sdata->vif.bss_conf.hidden_ssid =
1022                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1023
1024         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1025                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1026         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1027                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1028         if (params->p2p_opp_ps)
1029                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1030                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1031
1032         err = ieee80211_assign_beacon(sdata, &params->beacon);
1033         if (err < 0) {
1034                 ieee80211_vif_release_channel(sdata);
1035                 return err;
1036         }
1037         changed |= err;
1038
1039         err = drv_start_ap(sdata->local, sdata);
1040         if (err) {
1041                 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1042
1043                 if (old)
1044                         kfree_rcu(old, rcu_head);
1045                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1046                 ieee80211_vif_release_channel(sdata);
1047                 return err;
1048         }
1049
1050         ieee80211_recalc_dtim(local, sdata);
1051         ieee80211_bss_info_change_notify(sdata, changed);
1052
1053         netif_carrier_on(dev);
1054         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1055                 netif_carrier_on(vlan->dev);
1056
1057         return 0;
1058 }
1059
1060 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1061                                    struct cfg80211_beacon_data *params)
1062 {
1063         struct ieee80211_sub_if_data *sdata;
1064         struct beacon_data *old;
1065         int err;
1066
1067         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1068         sdata_assert_lock(sdata);
1069
1070         /* don't allow changing the beacon while CSA is in place - offset
1071          * of channel switch counter may change
1072          */
1073         if (sdata->vif.csa_active)
1074                 return -EBUSY;
1075
1076         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1077         if (!old)
1078                 return -ENOENT;
1079
1080         err = ieee80211_assign_beacon(sdata, params);
1081         if (err < 0)
1082                 return err;
1083         ieee80211_bss_info_change_notify(sdata, err);
1084         return 0;
1085 }
1086
1087 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1088 {
1089         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1090         struct ieee80211_sub_if_data *vlan;
1091         struct ieee80211_local *local = sdata->local;
1092         struct beacon_data *old_beacon;
1093         struct probe_resp *old_probe_resp;
1094         struct cfg80211_chan_def chandef;
1095
1096         sdata_assert_lock(sdata);
1097
1098         old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1099         if (!old_beacon)
1100                 return -ENOENT;
1101         old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1102
1103         /* abort any running channel switch */
1104         sdata->vif.csa_active = false;
1105         kfree(sdata->u.ap.next_beacon);
1106         sdata->u.ap.next_beacon = NULL;
1107
1108         /* turn off carrier for this interface and dependent VLANs */
1109         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1110                 netif_carrier_off(vlan->dev);
1111         netif_carrier_off(dev);
1112
1113         /* remove beacon and probe response */
1114         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1115         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1116         kfree_rcu(old_beacon, rcu_head);
1117         if (old_probe_resp)
1118                 kfree_rcu(old_probe_resp, rcu_head);
1119         sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1120
1121         __sta_info_flush(sdata, true);
1122         ieee80211_free_keys(sdata, true);
1123
1124         sdata->vif.bss_conf.enable_beacon = false;
1125         sdata->vif.bss_conf.ssid_len = 0;
1126         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1127         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1128
1129         if (sdata->wdev.cac_started) {
1130                 chandef = sdata->vif.bss_conf.chandef;
1131                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1132                 cfg80211_cac_event(sdata->dev, &chandef,
1133                                    NL80211_RADAR_CAC_ABORTED,
1134                                    GFP_KERNEL);
1135         }
1136
1137         drv_stop_ap(sdata->local, sdata);
1138
1139         /* free all potentially still buffered bcast frames */
1140         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1141         skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1142
1143         mutex_lock(&local->mtx);
1144         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1145         ieee80211_vif_release_channel(sdata);
1146         mutex_unlock(&local->mtx);
1147
1148         return 0;
1149 }
1150
1151 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1152 struct iapp_layer2_update {
1153         u8 da[ETH_ALEN];        /* broadcast */
1154         u8 sa[ETH_ALEN];        /* STA addr */
1155         __be16 len;             /* 6 */
1156         u8 dsap;                /* 0 */
1157         u8 ssap;                /* 0 */
1158         u8 control;
1159         u8 xid_info[3];
1160 } __packed;
1161
1162 static void ieee80211_send_layer2_update(struct sta_info *sta)
1163 {
1164         struct iapp_layer2_update *msg;
1165         struct sk_buff *skb;
1166
1167         /* Send Level 2 Update Frame to update forwarding tables in layer 2
1168          * bridge devices */
1169
1170         skb = dev_alloc_skb(sizeof(*msg));
1171         if (!skb)
1172                 return;
1173         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1174
1175         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1176          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1177
1178         eth_broadcast_addr(msg->da);
1179         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1180         msg->len = htons(6);
1181         msg->dsap = 0;
1182         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
1183         msg->control = 0xaf;    /* XID response lsb.1111F101.
1184                                  * F=0 (no poll command; unsolicited frame) */
1185         msg->xid_info[0] = 0x81;        /* XID format identifier */
1186         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
1187         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
1188
1189         skb->dev = sta->sdata->dev;
1190         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1191         memset(skb->cb, 0, sizeof(skb->cb));
1192         netif_rx_ni(skb);
1193 }
1194
1195 static int sta_apply_auth_flags(struct ieee80211_local *local,
1196                                 struct sta_info *sta,
1197                                 u32 mask, u32 set)
1198 {
1199         int ret;
1200
1201         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1202             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1203             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1204                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1205                 if (ret)
1206                         return ret;
1207         }
1208
1209         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1210             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1211             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1212                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1213                 if (ret)
1214                         return ret;
1215         }
1216
1217         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1218                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1219                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1220                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1221                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1222                 else
1223                         ret = 0;
1224                 if (ret)
1225                         return ret;
1226         }
1227
1228         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1229             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1230             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1231                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1232                 if (ret)
1233                         return ret;
1234         }
1235
1236         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1237             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1238             test_sta_flag(sta, WLAN_STA_AUTH)) {
1239                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1240                 if (ret)
1241                         return ret;
1242         }
1243
1244         return 0;
1245 }
1246
1247 static int sta_apply_parameters(struct ieee80211_local *local,
1248                                 struct sta_info *sta,
1249                                 struct station_parameters *params)
1250 {
1251         int ret = 0;
1252         struct ieee80211_supported_band *sband;
1253         struct ieee80211_sub_if_data *sdata = sta->sdata;
1254         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1255         u32 mask, set;
1256
1257         sband = local->hw.wiphy->bands[band];
1258
1259         mask = params->sta_flags_mask;
1260         set = params->sta_flags_set;
1261
1262         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1263                 /*
1264                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1265                  * API but must follow AUTHENTICATED for driver state.
1266                  */
1267                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1268                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1269                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1270                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1271         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1272                 /*
1273                  * TDLS -- everything follows authorized, but
1274                  * only becoming authorized is possible, not
1275                  * going back
1276                  */
1277                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1278                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1279                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1280                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1281                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1282                 }
1283         }
1284
1285         ret = sta_apply_auth_flags(local, sta, mask, set);
1286         if (ret)
1287                 return ret;
1288
1289         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1290                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1291                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1292                 else
1293                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1294         }
1295
1296         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1297                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1298                         set_sta_flag(sta, WLAN_STA_WME);
1299                         sta->sta.wme = true;
1300                 } else {
1301                         clear_sta_flag(sta, WLAN_STA_WME);
1302                         sta->sta.wme = false;
1303                 }
1304         }
1305
1306         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1307                 if (set & BIT(NL80211_STA_FLAG_MFP))
1308                         set_sta_flag(sta, WLAN_STA_MFP);
1309                 else
1310                         clear_sta_flag(sta, WLAN_STA_MFP);
1311         }
1312
1313         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1314                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1315                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1316                 else
1317                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1318         }
1319
1320         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1321                 sta->sta.uapsd_queues = params->uapsd_queues;
1322                 sta->sta.max_sp = params->max_sp;
1323         }
1324
1325         /*
1326          * cfg80211 validates this (1-2007) and allows setting the AID
1327          * only when creating a new station entry
1328          */
1329         if (params->aid)
1330                 sta->sta.aid = params->aid;
1331
1332         /*
1333          * Some of the following updates would be racy if called on an
1334          * existing station, via ieee80211_change_station(). However,
1335          * all such changes are rejected by cfg80211 except for updates
1336          * changing the supported rates on an existing but not yet used
1337          * TDLS peer.
1338          */
1339
1340         if (params->listen_interval >= 0)
1341                 sta->listen_interval = params->listen_interval;
1342
1343         if (params->supported_rates) {
1344                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1345                                          sband, params->supported_rates,
1346                                          params->supported_rates_len,
1347                                          &sta->sta.supp_rates[band]);
1348         }
1349
1350         if (params->ht_capa)
1351                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1352                                                   params->ht_capa, sta);
1353
1354         if (params->vht_capa)
1355                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1356                                                     params->vht_capa, sta);
1357
1358         if (params->opmode_notif_used) {
1359                 /* returned value is only needed for rc update, but the
1360                  * rc isn't initialized here yet, so ignore it
1361                  */
1362                 __ieee80211_vht_handle_opmode(sdata, sta,
1363                                               params->opmode_notif,
1364                                               band, false);
1365         }
1366
1367         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1368 #ifdef CONFIG_MAC80211_MESH
1369                 u32 changed = 0;
1370
1371                 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1372                         switch (params->plink_state) {
1373                         case NL80211_PLINK_ESTAB:
1374                                 if (sta->plink_state != NL80211_PLINK_ESTAB)
1375                                         changed = mesh_plink_inc_estab_count(
1376                                                         sdata);
1377                                 sta->plink_state = params->plink_state;
1378
1379                                 ieee80211_mps_sta_status_update(sta);
1380                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1381                                               sdata->u.mesh.mshcfg.power_mode);
1382                                 break;
1383                         case NL80211_PLINK_LISTEN:
1384                         case NL80211_PLINK_BLOCKED:
1385                         case NL80211_PLINK_OPN_SNT:
1386                         case NL80211_PLINK_OPN_RCVD:
1387                         case NL80211_PLINK_CNF_RCVD:
1388                         case NL80211_PLINK_HOLDING:
1389                                 if (sta->plink_state == NL80211_PLINK_ESTAB)
1390                                         changed = mesh_plink_dec_estab_count(
1391                                                         sdata);
1392                                 sta->plink_state = params->plink_state;
1393
1394                                 ieee80211_mps_sta_status_update(sta);
1395                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1396                                                 NL80211_MESH_POWER_UNKNOWN);
1397                                 break;
1398                         default:
1399                                 /*  nothing  */
1400                                 break;
1401                         }
1402                 }
1403
1404                 switch (params->plink_action) {
1405                 case NL80211_PLINK_ACTION_NO_ACTION:
1406                         /* nothing */
1407                         break;
1408                 case NL80211_PLINK_ACTION_OPEN:
1409                         changed |= mesh_plink_open(sta);
1410                         break;
1411                 case NL80211_PLINK_ACTION_BLOCK:
1412                         changed |= mesh_plink_block(sta);
1413                         break;
1414                 }
1415
1416                 if (params->local_pm)
1417                         changed |=
1418                               ieee80211_mps_set_sta_local_pm(sta,
1419                                                              params->local_pm);
1420                 ieee80211_mbss_info_change_notify(sdata, changed);
1421 #endif
1422         }
1423
1424         return 0;
1425 }
1426
1427 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1428                                  u8 *mac, struct station_parameters *params)
1429 {
1430         struct ieee80211_local *local = wiphy_priv(wiphy);
1431         struct sta_info *sta;
1432         struct ieee80211_sub_if_data *sdata;
1433         int err;
1434         int layer2_update;
1435
1436         if (params->vlan) {
1437                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1438
1439                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1440                     sdata->vif.type != NL80211_IFTYPE_AP)
1441                         return -EINVAL;
1442         } else
1443                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1444
1445         if (ether_addr_equal(mac, sdata->vif.addr))
1446                 return -EINVAL;
1447
1448         if (is_multicast_ether_addr(mac))
1449                 return -EINVAL;
1450
1451         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1452         if (!sta)
1453                 return -ENOMEM;
1454
1455         /*
1456          * defaults -- if userspace wants something else we'll
1457          * change it accordingly in sta_apply_parameters()
1458          */
1459         if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1460                 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1461                 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1462         } else {
1463                 sta->sta.tdls = true;
1464         }
1465
1466         err = sta_apply_parameters(local, sta, params);
1467         if (err) {
1468                 sta_info_free(local, sta);
1469                 return err;
1470         }
1471
1472         /*
1473          * for TDLS, rate control should be initialized only when
1474          * rates are known and station is marked authorized
1475          */
1476         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1477                 rate_control_rate_init(sta);
1478
1479         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1480                 sdata->vif.type == NL80211_IFTYPE_AP;
1481
1482         err = sta_info_insert_rcu(sta);
1483         if (err) {
1484                 rcu_read_unlock();
1485                 return err;
1486         }
1487
1488         if (layer2_update)
1489                 ieee80211_send_layer2_update(sta);
1490
1491         rcu_read_unlock();
1492
1493         return 0;
1494 }
1495
1496 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1497                                  u8 *mac)
1498 {
1499         struct ieee80211_sub_if_data *sdata;
1500
1501         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1502
1503         if (mac)
1504                 return sta_info_destroy_addr_bss(sdata, mac);
1505
1506         sta_info_flush(sdata);
1507         return 0;
1508 }
1509
1510 static int ieee80211_change_station(struct wiphy *wiphy,
1511                                     struct net_device *dev, u8 *mac,
1512                                     struct station_parameters *params)
1513 {
1514         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1515         struct ieee80211_local *local = wiphy_priv(wiphy);
1516         struct sta_info *sta;
1517         struct ieee80211_sub_if_data *vlansdata;
1518         enum cfg80211_station_type statype;
1519         int err;
1520
1521         mutex_lock(&local->sta_mtx);
1522
1523         sta = sta_info_get_bss(sdata, mac);
1524         if (!sta) {
1525                 err = -ENOENT;
1526                 goto out_err;
1527         }
1528
1529         switch (sdata->vif.type) {
1530         case NL80211_IFTYPE_MESH_POINT:
1531                 if (sdata->u.mesh.user_mpm)
1532                         statype = CFG80211_STA_MESH_PEER_USER;
1533                 else
1534                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1535                 break;
1536         case NL80211_IFTYPE_ADHOC:
1537                 statype = CFG80211_STA_IBSS;
1538                 break;
1539         case NL80211_IFTYPE_STATION:
1540                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1541                         statype = CFG80211_STA_AP_STA;
1542                         break;
1543                 }
1544                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1545                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1546                 else
1547                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1548                 break;
1549         case NL80211_IFTYPE_AP:
1550         case NL80211_IFTYPE_AP_VLAN:
1551                 statype = CFG80211_STA_AP_CLIENT;
1552                 break;
1553         default:
1554                 err = -EOPNOTSUPP;
1555                 goto out_err;
1556         }
1557
1558         err = cfg80211_check_station_change(wiphy, params, statype);
1559         if (err)
1560                 goto out_err;
1561
1562         if (params->vlan && params->vlan != sta->sdata->dev) {
1563                 bool prev_4addr = false;
1564                 bool new_4addr = false;
1565
1566                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1567
1568                 if (params->vlan->ieee80211_ptr->use_4addr) {
1569                         if (vlansdata->u.vlan.sta) {
1570                                 err = -EBUSY;
1571                                 goto out_err;
1572                         }
1573
1574                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1575                         new_4addr = true;
1576                 }
1577
1578                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1579                     sta->sdata->u.vlan.sta) {
1580                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1581                         prev_4addr = true;
1582                 }
1583
1584                 sta->sdata = vlansdata;
1585
1586                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1587                     prev_4addr != new_4addr) {
1588                         if (new_4addr)
1589                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1590                         else
1591                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1592                 }
1593
1594                 ieee80211_send_layer2_update(sta);
1595         }
1596
1597         err = sta_apply_parameters(local, sta, params);
1598         if (err)
1599                 goto out_err;
1600
1601         /* When peer becomes authorized, init rate control as well */
1602         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1603             test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1604                 rate_control_rate_init(sta);
1605
1606         mutex_unlock(&local->sta_mtx);
1607
1608         if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1609              sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1610             sta->known_smps_mode != sta->sdata->bss->req_smps &&
1611             test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1612             sta_info_tx_streams(sta) != 1) {
1613                 ht_dbg(sta->sdata,
1614                        "%pM just authorized and MIMO capable - update SMPS\n",
1615                        sta->sta.addr);
1616                 ieee80211_send_smps_action(sta->sdata,
1617                         sta->sdata->bss->req_smps,
1618                         sta->sta.addr,
1619                         sta->sdata->vif.bss_conf.bssid);
1620         }
1621
1622         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1623             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1624                 ieee80211_recalc_ps(local, -1);
1625                 ieee80211_recalc_ps_vif(sdata);
1626         }
1627
1628         return 0;
1629 out_err:
1630         mutex_unlock(&local->sta_mtx);
1631         return err;
1632 }
1633
1634 #ifdef CONFIG_MAC80211_MESH
1635 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1636                                  u8 *dst, u8 *next_hop)
1637 {
1638         struct ieee80211_sub_if_data *sdata;
1639         struct mesh_path *mpath;
1640         struct sta_info *sta;
1641
1642         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1643
1644         rcu_read_lock();
1645         sta = sta_info_get(sdata, next_hop);
1646         if (!sta) {
1647                 rcu_read_unlock();
1648                 return -ENOENT;
1649         }
1650
1651         mpath = mesh_path_add(sdata, dst);
1652         if (IS_ERR(mpath)) {
1653                 rcu_read_unlock();
1654                 return PTR_ERR(mpath);
1655         }
1656
1657         mesh_path_fix_nexthop(mpath, sta);
1658
1659         rcu_read_unlock();
1660         return 0;
1661 }
1662
1663 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1664                                u8 *dst)
1665 {
1666         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1667
1668         if (dst)
1669                 return mesh_path_del(sdata, dst);
1670
1671         mesh_path_flush_by_iface(sdata);
1672         return 0;
1673 }
1674
1675 static int ieee80211_change_mpath(struct wiphy *wiphy,
1676                                     struct net_device *dev,
1677                                     u8 *dst, u8 *next_hop)
1678 {
1679         struct ieee80211_sub_if_data *sdata;
1680         struct mesh_path *mpath;
1681         struct sta_info *sta;
1682
1683         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1684
1685         rcu_read_lock();
1686
1687         sta = sta_info_get(sdata, next_hop);
1688         if (!sta) {
1689                 rcu_read_unlock();
1690                 return -ENOENT;
1691         }
1692
1693         mpath = mesh_path_lookup(sdata, dst);
1694         if (!mpath) {
1695                 rcu_read_unlock();
1696                 return -ENOENT;
1697         }
1698
1699         mesh_path_fix_nexthop(mpath, sta);
1700
1701         rcu_read_unlock();
1702         return 0;
1703 }
1704
1705 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1706                             struct mpath_info *pinfo)
1707 {
1708         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1709
1710         if (next_hop_sta)
1711                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1712         else
1713                 memset(next_hop, 0, ETH_ALEN);
1714
1715         memset(pinfo, 0, sizeof(*pinfo));
1716
1717         pinfo->generation = mesh_paths_generation;
1718
1719         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1720                         MPATH_INFO_SN |
1721                         MPATH_INFO_METRIC |
1722                         MPATH_INFO_EXPTIME |
1723                         MPATH_INFO_DISCOVERY_TIMEOUT |
1724                         MPATH_INFO_DISCOVERY_RETRIES |
1725                         MPATH_INFO_FLAGS;
1726
1727         pinfo->frame_qlen = mpath->frame_queue.qlen;
1728         pinfo->sn = mpath->sn;
1729         pinfo->metric = mpath->metric;
1730         if (time_before(jiffies, mpath->exp_time))
1731                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1732         pinfo->discovery_timeout =
1733                         jiffies_to_msecs(mpath->discovery_timeout);
1734         pinfo->discovery_retries = mpath->discovery_retries;
1735         if (mpath->flags & MESH_PATH_ACTIVE)
1736                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1737         if (mpath->flags & MESH_PATH_RESOLVING)
1738                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1739         if (mpath->flags & MESH_PATH_SN_VALID)
1740                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1741         if (mpath->flags & MESH_PATH_FIXED)
1742                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1743         if (mpath->flags & MESH_PATH_RESOLVED)
1744                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1745 }
1746
1747 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1748                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1749
1750 {
1751         struct ieee80211_sub_if_data *sdata;
1752         struct mesh_path *mpath;
1753
1754         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1755
1756         rcu_read_lock();
1757         mpath = mesh_path_lookup(sdata, dst);
1758         if (!mpath) {
1759                 rcu_read_unlock();
1760                 return -ENOENT;
1761         }
1762         memcpy(dst, mpath->dst, ETH_ALEN);
1763         mpath_set_pinfo(mpath, next_hop, pinfo);
1764         rcu_read_unlock();
1765         return 0;
1766 }
1767
1768 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1769                                  int idx, u8 *dst, u8 *next_hop,
1770                                  struct mpath_info *pinfo)
1771 {
1772         struct ieee80211_sub_if_data *sdata;
1773         struct mesh_path *mpath;
1774
1775         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776
1777         rcu_read_lock();
1778         mpath = mesh_path_lookup_by_idx(sdata, idx);
1779         if (!mpath) {
1780                 rcu_read_unlock();
1781                 return -ENOENT;
1782         }
1783         memcpy(dst, mpath->dst, ETH_ALEN);
1784         mpath_set_pinfo(mpath, next_hop, pinfo);
1785         rcu_read_unlock();
1786         return 0;
1787 }
1788
1789 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1790                                 struct net_device *dev,
1791                                 struct mesh_config *conf)
1792 {
1793         struct ieee80211_sub_if_data *sdata;
1794         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1795
1796         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1797         return 0;
1798 }
1799
1800 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1801 {
1802         return (mask >> (parm-1)) & 0x1;
1803 }
1804
1805 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1806                 const struct mesh_setup *setup)
1807 {
1808         u8 *new_ie;
1809         const u8 *old_ie;
1810         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1811                                         struct ieee80211_sub_if_data, u.mesh);
1812
1813         /* allocate information elements */
1814         new_ie = NULL;
1815         old_ie = ifmsh->ie;
1816
1817         if (setup->ie_len) {
1818                 new_ie = kmemdup(setup->ie, setup->ie_len,
1819                                 GFP_KERNEL);
1820                 if (!new_ie)
1821                         return -ENOMEM;
1822         }
1823         ifmsh->ie_len = setup->ie_len;
1824         ifmsh->ie = new_ie;
1825         kfree(old_ie);
1826
1827         /* now copy the rest of the setup parameters */
1828         ifmsh->mesh_id_len = setup->mesh_id_len;
1829         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1830         ifmsh->mesh_sp_id = setup->sync_method;
1831         ifmsh->mesh_pp_id = setup->path_sel_proto;
1832         ifmsh->mesh_pm_id = setup->path_metric;
1833         ifmsh->user_mpm = setup->user_mpm;
1834         ifmsh->mesh_auth_id = setup->auth_id;
1835         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1836         if (setup->is_authenticated)
1837                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1838         if (setup->is_secure)
1839                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1840
1841         /* mcast rate setting in Mesh Node */
1842         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1843                                                 sizeof(setup->mcast_rate));
1844         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1845
1846         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1847         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1848
1849         return 0;
1850 }
1851
1852 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1853                                         struct net_device *dev, u32 mask,
1854                                         const struct mesh_config *nconf)
1855 {
1856         struct mesh_config *conf;
1857         struct ieee80211_sub_if_data *sdata;
1858         struct ieee80211_if_mesh *ifmsh;
1859
1860         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1861         ifmsh = &sdata->u.mesh;
1862
1863         /* Set the config options which we are interested in setting */
1864         conf = &(sdata->u.mesh.mshcfg);
1865         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1866                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1867         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1868                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1869         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1870                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1871         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1872                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1873         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1874                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1875         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1876                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1877         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1878                 conf->element_ttl = nconf->element_ttl;
1879         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1880                 if (ifmsh->user_mpm)
1881                         return -EBUSY;
1882                 conf->auto_open_plinks = nconf->auto_open_plinks;
1883         }
1884         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1885                 conf->dot11MeshNbrOffsetMaxNeighbor =
1886                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1887         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1888                 conf->dot11MeshHWMPmaxPREQretries =
1889                         nconf->dot11MeshHWMPmaxPREQretries;
1890         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1891                 conf->path_refresh_time = nconf->path_refresh_time;
1892         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1893                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1894         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1895                 conf->dot11MeshHWMPactivePathTimeout =
1896                         nconf->dot11MeshHWMPactivePathTimeout;
1897         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1898                 conf->dot11MeshHWMPpreqMinInterval =
1899                         nconf->dot11MeshHWMPpreqMinInterval;
1900         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1901                 conf->dot11MeshHWMPperrMinInterval =
1902                         nconf->dot11MeshHWMPperrMinInterval;
1903         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1904                            mask))
1905                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1906                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1907         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1908                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1909                 ieee80211_mesh_root_setup(ifmsh);
1910         }
1911         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1912                 /* our current gate announcement implementation rides on root
1913                  * announcements, so require this ifmsh to also be a root node
1914                  * */
1915                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1916                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1917                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1918                         ieee80211_mesh_root_setup(ifmsh);
1919                 }
1920                 conf->dot11MeshGateAnnouncementProtocol =
1921                         nconf->dot11MeshGateAnnouncementProtocol;
1922         }
1923         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1924                 conf->dot11MeshHWMPRannInterval =
1925                         nconf->dot11MeshHWMPRannInterval;
1926         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1927                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1928         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1929                 /* our RSSI threshold implementation is supported only for
1930                  * devices that report signal in dBm.
1931                  */
1932                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1933                         return -ENOTSUPP;
1934                 conf->rssi_threshold = nconf->rssi_threshold;
1935         }
1936         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1937                 conf->ht_opmode = nconf->ht_opmode;
1938                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1939                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1940         }
1941         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1942                 conf->dot11MeshHWMPactivePathToRootTimeout =
1943                         nconf->dot11MeshHWMPactivePathToRootTimeout;
1944         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1945                 conf->dot11MeshHWMProotInterval =
1946                         nconf->dot11MeshHWMProotInterval;
1947         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1948                 conf->dot11MeshHWMPconfirmationInterval =
1949                         nconf->dot11MeshHWMPconfirmationInterval;
1950         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1951                 conf->power_mode = nconf->power_mode;
1952                 ieee80211_mps_local_status_update(sdata);
1953         }
1954         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1955                 conf->dot11MeshAwakeWindowDuration =
1956                         nconf->dot11MeshAwakeWindowDuration;
1957         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1958                 conf->plink_timeout = nconf->plink_timeout;
1959         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1960         return 0;
1961 }
1962
1963 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1964                                const struct mesh_config *conf,
1965                                const struct mesh_setup *setup)
1966 {
1967         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1968         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1969         int err;
1970
1971         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1972         err = copy_mesh_setup(ifmsh, setup);
1973         if (err)
1974                 return err;
1975
1976         /* can mesh use other SMPS modes? */
1977         sdata->smps_mode = IEEE80211_SMPS_OFF;
1978         sdata->needed_rx_chains = sdata->local->rx_chains;
1979
1980         mutex_lock(&sdata->local->mtx);
1981         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1982                                         IEEE80211_CHANCTX_SHARED);
1983         mutex_unlock(&sdata->local->mtx);
1984         if (err)
1985                 return err;
1986
1987         return ieee80211_start_mesh(sdata);
1988 }
1989
1990 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1991 {
1992         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1993
1994         ieee80211_stop_mesh(sdata);
1995         mutex_lock(&sdata->local->mtx);
1996         ieee80211_vif_release_channel(sdata);
1997         mutex_unlock(&sdata->local->mtx);
1998
1999         return 0;
2000 }
2001 #endif
2002
2003 static int ieee80211_change_bss(struct wiphy *wiphy,
2004                                 struct net_device *dev,
2005                                 struct bss_parameters *params)
2006 {
2007         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2008         enum ieee80211_band band;
2009         u32 changed = 0;
2010
2011         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2012                 return -ENOENT;
2013
2014         band = ieee80211_get_sdata_band(sdata);
2015
2016         if (params->use_cts_prot >= 0) {
2017                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2018                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2019         }
2020         if (params->use_short_preamble >= 0) {
2021                 sdata->vif.bss_conf.use_short_preamble =
2022                         params->use_short_preamble;
2023                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2024         }
2025
2026         if (!sdata->vif.bss_conf.use_short_slot &&
2027             band == IEEE80211_BAND_5GHZ) {
2028                 sdata->vif.bss_conf.use_short_slot = true;
2029                 changed |= BSS_CHANGED_ERP_SLOT;
2030         }
2031
2032         if (params->use_short_slot_time >= 0) {
2033                 sdata->vif.bss_conf.use_short_slot =
2034                         params->use_short_slot_time;
2035                 changed |= BSS_CHANGED_ERP_SLOT;
2036         }
2037
2038         if (params->basic_rates) {
2039                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2040                                          wiphy->bands[band],
2041                                          params->basic_rates,
2042                                          params->basic_rates_len,
2043                                          &sdata->vif.bss_conf.basic_rates);
2044                 changed |= BSS_CHANGED_BASIC_RATES;
2045         }
2046
2047         if (params->ap_isolate >= 0) {
2048                 if (params->ap_isolate)
2049                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2050                 else
2051                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2052         }
2053
2054         if (params->ht_opmode >= 0) {
2055                 sdata->vif.bss_conf.ht_operation_mode =
2056                         (u16) params->ht_opmode;
2057                 changed |= BSS_CHANGED_HT;
2058         }
2059
2060         if (params->p2p_ctwindow >= 0) {
2061                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2062                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2063                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2064                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2065                 changed |= BSS_CHANGED_P2P_PS;
2066         }
2067
2068         if (params->p2p_opp_ps > 0) {
2069                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2070                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2071                 changed |= BSS_CHANGED_P2P_PS;
2072         } else if (params->p2p_opp_ps == 0) {
2073                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2074                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2075                 changed |= BSS_CHANGED_P2P_PS;
2076         }
2077
2078         ieee80211_bss_info_change_notify(sdata, changed);
2079
2080         return 0;
2081 }
2082
2083 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2084                                     struct net_device *dev,
2085                                     struct ieee80211_txq_params *params)
2086 {
2087         struct ieee80211_local *local = wiphy_priv(wiphy);
2088         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2089         struct ieee80211_tx_queue_params p;
2090
2091         if (!local->ops->conf_tx)
2092                 return -EOPNOTSUPP;
2093
2094         if (local->hw.queues < IEEE80211_NUM_ACS)
2095                 return -EOPNOTSUPP;
2096
2097         memset(&p, 0, sizeof(p));
2098         p.aifs = params->aifs;
2099         p.cw_max = params->cwmax;
2100         p.cw_min = params->cwmin;
2101         p.txop = params->txop;
2102
2103         /*
2104          * Setting tx queue params disables u-apsd because it's only
2105          * called in master mode.
2106          */
2107         p.uapsd = false;
2108
2109         sdata->tx_conf[params->ac] = p;
2110         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2111                 wiphy_debug(local->hw.wiphy,
2112                             "failed to set TX queue parameters for AC %d\n",
2113                             params->ac);
2114                 return -EINVAL;
2115         }
2116
2117         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2118
2119         return 0;
2120 }
2121
2122 #ifdef CONFIG_PM
2123 static int ieee80211_suspend(struct wiphy *wiphy,
2124                              struct cfg80211_wowlan *wowlan)
2125 {
2126         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2127 }
2128
2129 static int ieee80211_resume(struct wiphy *wiphy)
2130 {
2131         return __ieee80211_resume(wiphy_priv(wiphy));
2132 }
2133 #else
2134 #define ieee80211_suspend NULL
2135 #define ieee80211_resume NULL
2136 #endif
2137
2138 static int ieee80211_scan(struct wiphy *wiphy,
2139                           struct cfg80211_scan_request *req)
2140 {
2141         struct ieee80211_sub_if_data *sdata;
2142
2143         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2144
2145         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2146         case NL80211_IFTYPE_STATION:
2147         case NL80211_IFTYPE_ADHOC:
2148         case NL80211_IFTYPE_MESH_POINT:
2149         case NL80211_IFTYPE_P2P_CLIENT:
2150         case NL80211_IFTYPE_P2P_DEVICE:
2151                 break;
2152         case NL80211_IFTYPE_P2P_GO:
2153                 if (sdata->local->ops->hw_scan)
2154                         break;
2155                 /*
2156                  * FIXME: implement NoA while scanning in software,
2157                  * for now fall through to allow scanning only when
2158                  * beaconing hasn't been configured yet
2159                  */
2160         case NL80211_IFTYPE_AP:
2161                 /*
2162                  * If the scan has been forced (and the driver supports
2163                  * forcing), don't care about being beaconing already.
2164                  * This will create problems to the attached stations (e.g. all
2165                  * the  frames sent while scanning on other channel will be
2166                  * lost)
2167                  */
2168                 if (sdata->u.ap.beacon &&
2169                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2170                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2171                         return -EOPNOTSUPP;
2172                 break;
2173         default:
2174                 return -EOPNOTSUPP;
2175         }
2176
2177         return ieee80211_request_scan(sdata, req);
2178 }
2179
2180 static int
2181 ieee80211_sched_scan_start(struct wiphy *wiphy,
2182                            struct net_device *dev,
2183                            struct cfg80211_sched_scan_request *req)
2184 {
2185         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2186
2187         if (!sdata->local->ops->sched_scan_start)
2188                 return -EOPNOTSUPP;
2189
2190         return ieee80211_request_sched_scan_start(sdata, req);
2191 }
2192
2193 static int
2194 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2195 {
2196         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2197
2198         if (!sdata->local->ops->sched_scan_stop)
2199                 return -EOPNOTSUPP;
2200
2201         return ieee80211_request_sched_scan_stop(sdata);
2202 }
2203
2204 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2205                           struct cfg80211_auth_request *req)
2206 {
2207         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2208 }
2209
2210 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2211                            struct cfg80211_assoc_request *req)
2212 {
2213         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2214 }
2215
2216 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2217                             struct cfg80211_deauth_request *req)
2218 {
2219         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2220 }
2221
2222 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2223                               struct cfg80211_disassoc_request *req)
2224 {
2225         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2226 }
2227
2228 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2229                                struct cfg80211_ibss_params *params)
2230 {
2231         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2232 }
2233
2234 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2235 {
2236         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2237 }
2238
2239 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2240                                     int rate[IEEE80211_NUM_BANDS])
2241 {
2242         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2243
2244         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2245                sizeof(int) * IEEE80211_NUM_BANDS);
2246
2247         return 0;
2248 }
2249
2250 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2251 {
2252         struct ieee80211_local *local = wiphy_priv(wiphy);
2253         int err;
2254
2255         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2256                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2257
2258                 if (err)
2259                         return err;
2260         }
2261
2262         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2263                 err = drv_set_coverage_class(local, wiphy->coverage_class);
2264
2265                 if (err)
2266                         return err;
2267         }
2268
2269         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2270                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2271
2272                 if (err)
2273                         return err;
2274         }
2275
2276         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2277                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2278                         return -EINVAL;
2279                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2280         }
2281         if (changed & WIPHY_PARAM_RETRY_LONG) {
2282                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2283                         return -EINVAL;
2284                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2285         }
2286         if (changed &
2287             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2288                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2289
2290         return 0;
2291 }
2292
2293 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2294                                   struct wireless_dev *wdev,
2295                                   enum nl80211_tx_power_setting type, int mbm)
2296 {
2297         struct ieee80211_local *local = wiphy_priv(wiphy);
2298         struct ieee80211_sub_if_data *sdata;
2299
2300         if (wdev) {
2301                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2302
2303                 switch (type) {
2304                 case NL80211_TX_POWER_AUTOMATIC:
2305                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2306                         break;
2307                 case NL80211_TX_POWER_LIMITED:
2308                 case NL80211_TX_POWER_FIXED:
2309                         if (mbm < 0 || (mbm % 100))
2310                                 return -EOPNOTSUPP;
2311                         sdata->user_power_level = MBM_TO_DBM(mbm);
2312                         break;
2313                 }
2314
2315                 ieee80211_recalc_txpower(sdata);
2316
2317                 return 0;
2318         }
2319
2320         switch (type) {
2321         case NL80211_TX_POWER_AUTOMATIC:
2322                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2323                 break;
2324         case NL80211_TX_POWER_LIMITED:
2325         case NL80211_TX_POWER_FIXED:
2326                 if (mbm < 0 || (mbm % 100))
2327                         return -EOPNOTSUPP;
2328                 local->user_power_level = MBM_TO_DBM(mbm);
2329                 break;
2330         }
2331
2332         mutex_lock(&local->iflist_mtx);
2333         list_for_each_entry(sdata, &local->interfaces, list)
2334                 sdata->user_power_level = local->user_power_level;
2335         list_for_each_entry(sdata, &local->interfaces, list)
2336                 ieee80211_recalc_txpower(sdata);
2337         mutex_unlock(&local->iflist_mtx);
2338
2339         return 0;
2340 }
2341
2342 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2343                                   struct wireless_dev *wdev,
2344                                   int *dbm)
2345 {
2346         struct ieee80211_local *local = wiphy_priv(wiphy);
2347         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2348
2349         if (!local->use_chanctx)
2350                 *dbm = local->hw.conf.power_level;
2351         else
2352                 *dbm = sdata->vif.bss_conf.txpower;
2353
2354         return 0;
2355 }
2356
2357 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2358                                   const u8 *addr)
2359 {
2360         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2361
2362         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2363
2364         return 0;
2365 }
2366
2367 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2368 {
2369         struct ieee80211_local *local = wiphy_priv(wiphy);
2370
2371         drv_rfkill_poll(local);
2372 }
2373
2374 #ifdef CONFIG_NL80211_TESTMODE
2375 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2376                                   struct wireless_dev *wdev,
2377                                   void *data, int len)
2378 {
2379         struct ieee80211_local *local = wiphy_priv(wiphy);
2380         struct ieee80211_vif *vif = NULL;
2381
2382         if (!local->ops->testmode_cmd)
2383                 return -EOPNOTSUPP;
2384
2385         if (wdev) {
2386                 struct ieee80211_sub_if_data *sdata;
2387
2388                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2389                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2390                         vif = &sdata->vif;
2391         }
2392
2393         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2394 }
2395
2396 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2397                                    struct sk_buff *skb,
2398                                    struct netlink_callback *cb,
2399                                    void *data, int len)
2400 {
2401         struct ieee80211_local *local = wiphy_priv(wiphy);
2402
2403         if (!local->ops->testmode_dump)
2404                 return -EOPNOTSUPP;
2405
2406         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2407 }
2408 #endif
2409
2410 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2411                                 enum ieee80211_smps_mode smps_mode)
2412 {
2413         struct sta_info *sta;
2414         enum ieee80211_smps_mode old_req;
2415         int i;
2416
2417         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2418                 return -EINVAL;
2419
2420         if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2421                 return 0;
2422
2423         old_req = sdata->u.ap.req_smps;
2424         sdata->u.ap.req_smps = smps_mode;
2425
2426         /* AUTOMATIC doesn't mean much for AP - don't allow it */
2427         if (old_req == smps_mode ||
2428             smps_mode == IEEE80211_SMPS_AUTOMATIC)
2429                 return 0;
2430
2431          /* If no associated stations, there's no need to do anything */
2432         if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
2433                 sdata->smps_mode = smps_mode;
2434                 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2435                 return 0;
2436         }
2437
2438         ht_dbg(sdata,
2439                "SMSP %d requested in AP mode, sending Action frame to %d stations\n",
2440                smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2441
2442         mutex_lock(&sdata->local->sta_mtx);
2443         for (i = 0; i < STA_HASH_SIZE; i++) {
2444                 for (sta = rcu_dereference_protected(sdata->local->sta_hash[i],
2445                                 lockdep_is_held(&sdata->local->sta_mtx));
2446                      sta;
2447                      sta = rcu_dereference_protected(sta->hnext,
2448                                 lockdep_is_held(&sdata->local->sta_mtx))) {
2449                         /*
2450                          * Only stations associated to our AP and
2451                          * associated VLANs
2452                          */
2453                         if (sta->sdata->bss != &sdata->u.ap)
2454                                 continue;
2455
2456                         /* This station doesn't support MIMO - skip it */
2457                         if (sta_info_tx_streams(sta) == 1)
2458                                 continue;
2459
2460                         /*
2461                          * Don't wake up a STA just to send the action frame
2462                          * unless we are getting more restrictive.
2463                          */
2464                         if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2465                             !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2466                                                            smps_mode)) {
2467                                 ht_dbg(sdata,
2468                                        "Won't send SMPS to sleeping STA %pM\n",
2469                                        sta->sta.addr);
2470                                 continue;
2471                         }
2472
2473                         /*
2474                          * If the STA is not authorized, wait until it gets
2475                          * authorized and the action frame will be sent then.
2476                          */
2477                         if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2478                                 continue;
2479
2480                         ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2481                         ieee80211_send_smps_action(sdata, smps_mode,
2482                                                    sta->sta.addr,
2483                                                    sdata->vif.bss_conf.bssid);
2484                 }
2485         }
2486         mutex_unlock(&sdata->local->sta_mtx);
2487
2488         sdata->smps_mode = smps_mode;
2489         ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2490
2491         return 0;
2492 }
2493
2494 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2495                                  enum ieee80211_smps_mode smps_mode)
2496 {
2497         const u8 *ap;
2498         enum ieee80211_smps_mode old_req;
2499         int err;
2500
2501         lockdep_assert_held(&sdata->wdev.mtx);
2502
2503         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2504                 return -EINVAL;
2505
2506         old_req = sdata->u.mgd.req_smps;
2507         sdata->u.mgd.req_smps = smps_mode;
2508
2509         if (old_req == smps_mode &&
2510             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2511                 return 0;
2512
2513         /*
2514          * If not associated, or current association is not an HT
2515          * association, there's no need to do anything, just store
2516          * the new value until we associate.
2517          */
2518         if (!sdata->u.mgd.associated ||
2519             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2520                 return 0;
2521
2522         ap = sdata->u.mgd.associated->bssid;
2523
2524         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2525                 if (sdata->u.mgd.powersave)
2526                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2527                 else
2528                         smps_mode = IEEE80211_SMPS_OFF;
2529         }
2530
2531         /* send SM PS frame to AP */
2532         err = ieee80211_send_smps_action(sdata, smps_mode,
2533                                          ap, ap);
2534         if (err)
2535                 sdata->u.mgd.req_smps = old_req;
2536
2537         return err;
2538 }
2539
2540 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2541                                     bool enabled, int timeout)
2542 {
2543         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2544         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2545
2546         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2547                 return -EOPNOTSUPP;
2548
2549         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2550                 return -EOPNOTSUPP;
2551
2552         if (enabled == sdata->u.mgd.powersave &&
2553             timeout == local->dynamic_ps_forced_timeout)
2554                 return 0;
2555
2556         sdata->u.mgd.powersave = enabled;
2557         local->dynamic_ps_forced_timeout = timeout;
2558
2559         /* no change, but if automatic follow powersave */
2560         sdata_lock(sdata);
2561         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2562         sdata_unlock(sdata);
2563
2564         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2565                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2566
2567         ieee80211_recalc_ps(local, -1);
2568         ieee80211_recalc_ps_vif(sdata);
2569
2570         return 0;
2571 }
2572
2573 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2574                                          struct net_device *dev,
2575                                          s32 rssi_thold, u32 rssi_hyst)
2576 {
2577         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2578         struct ieee80211_vif *vif = &sdata->vif;
2579         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2580
2581         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2582             rssi_hyst == bss_conf->cqm_rssi_hyst)
2583                 return 0;
2584
2585         bss_conf->cqm_rssi_thold = rssi_thold;
2586         bss_conf->cqm_rssi_hyst = rssi_hyst;
2587
2588         /* tell the driver upon association, unless already associated */
2589         if (sdata->u.mgd.associated &&
2590             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2591                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2592
2593         return 0;
2594 }
2595
2596 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2597                                       struct net_device *dev,
2598                                       const u8 *addr,
2599                                       const struct cfg80211_bitrate_mask *mask)
2600 {
2601         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2602         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2603         int i, ret;
2604
2605         if (!ieee80211_sdata_running(sdata))
2606                 return -ENETDOWN;
2607
2608         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2609                 ret = drv_set_bitrate_mask(local, sdata, mask);
2610                 if (ret)
2611                         return ret;
2612         }
2613
2614         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2615                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2616                 int j;
2617
2618                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2619                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2620                        sizeof(mask->control[i].ht_mcs));
2621
2622                 sdata->rc_has_mcs_mask[i] = false;
2623                 if (!sband)
2624                         continue;
2625
2626                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2627                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2628                                 sdata->rc_has_mcs_mask[i] = true;
2629                                 break;
2630                         }
2631         }
2632
2633         return 0;
2634 }
2635
2636 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2637                                     struct ieee80211_sub_if_data *sdata,
2638                                     struct ieee80211_channel *channel,
2639                                     unsigned int duration, u64 *cookie,
2640                                     struct sk_buff *txskb,
2641                                     enum ieee80211_roc_type type)
2642 {
2643         struct ieee80211_roc_work *roc, *tmp;
2644         bool queued = false;
2645         int ret;
2646
2647         lockdep_assert_held(&local->mtx);
2648
2649         if (local->use_chanctx && !local->ops->remain_on_channel)
2650                 return -EOPNOTSUPP;
2651
2652         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2653         if (!roc)
2654                 return -ENOMEM;
2655
2656         /*
2657          * If the duration is zero, then the driver
2658          * wouldn't actually do anything. Set it to
2659          * 10 for now.
2660          *
2661          * TODO: cancel the off-channel operation
2662          *       when we get the SKB's TX status and
2663          *       the wait time was zero before.
2664          */
2665         if (!duration)
2666                 duration = 10;
2667
2668         roc->chan = channel;
2669         roc->duration = duration;
2670         roc->req_duration = duration;
2671         roc->frame = txskb;
2672         roc->type = type;
2673         roc->mgmt_tx_cookie = (unsigned long)txskb;
2674         roc->sdata = sdata;
2675         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2676         INIT_LIST_HEAD(&roc->dependents);
2677
2678         /*
2679          * cookie is either the roc cookie (for normal roc)
2680          * or the SKB (for mgmt TX)
2681          */
2682         if (!txskb) {
2683                 /* local->mtx protects this */
2684                 local->roc_cookie_counter++;
2685                 roc->cookie = local->roc_cookie_counter;
2686                 /* wow, you wrapped 64 bits ... more likely a bug */
2687                 if (WARN_ON(roc->cookie == 0)) {
2688                         roc->cookie = 1;
2689                         local->roc_cookie_counter++;
2690                 }
2691                 *cookie = roc->cookie;
2692         } else {
2693                 *cookie = (unsigned long)txskb;
2694         }
2695
2696         /* if there's one pending or we're scanning, queue this one */
2697         if (!list_empty(&local->roc_list) ||
2698             local->scanning || local->radar_detect_enabled)
2699                 goto out_check_combine;
2700
2701         /* if not HW assist, just queue & schedule work */
2702         if (!local->ops->remain_on_channel) {
2703                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2704                 goto out_queue;
2705         }
2706
2707         /* otherwise actually kick it off here (for error handling) */
2708
2709         ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2710         if (ret) {
2711                 kfree(roc);
2712                 return ret;
2713         }
2714
2715         roc->started = true;
2716         goto out_queue;
2717
2718  out_check_combine:
2719         list_for_each_entry(tmp, &local->roc_list, list) {
2720                 if (tmp->chan != channel || tmp->sdata != sdata)
2721                         continue;
2722
2723                 /*
2724                  * Extend this ROC if possible:
2725                  *
2726                  * If it hasn't started yet, just increase the duration
2727                  * and add the new one to the list of dependents.
2728                  * If the type of the new ROC has higher priority, modify the
2729                  * type of the previous one to match that of the new one.
2730                  */
2731                 if (!tmp->started) {
2732                         list_add_tail(&roc->list, &tmp->dependents);
2733                         tmp->duration = max(tmp->duration, roc->duration);
2734                         tmp->type = max(tmp->type, roc->type);
2735                         queued = true;
2736                         break;
2737                 }
2738
2739                 /* If it has already started, it's more difficult ... */
2740                 if (local->ops->remain_on_channel) {
2741                         unsigned long j = jiffies;
2742
2743                         /*
2744                          * In the offloaded ROC case, if it hasn't begun, add
2745                          * this new one to the dependent list to be handled
2746                          * when the master one begins. If it has begun,
2747                          * check that there's still a minimum time left and
2748                          * if so, start this one, transmitting the frame, but
2749                          * add it to the list directly after this one with
2750                          * a reduced time so we'll ask the driver to execute
2751                          * it right after finishing the previous one, in the
2752                          * hope that it'll also be executed right afterwards,
2753                          * effectively extending the old one.
2754                          * If there's no minimum time left, just add it to the
2755                          * normal list.
2756                          * TODO: the ROC type is ignored here, assuming that it
2757                          * is better to immediately use the current ROC.
2758                          */
2759                         if (!tmp->hw_begun) {
2760                                 list_add_tail(&roc->list, &tmp->dependents);
2761                                 queued = true;
2762                                 break;
2763                         }
2764
2765                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2766                                         tmp->hw_start_time +
2767                                         msecs_to_jiffies(tmp->duration))) {
2768                                 int new_dur;
2769
2770                                 ieee80211_handle_roc_started(roc);
2771
2772                                 new_dur = roc->duration -
2773                                           jiffies_to_msecs(tmp->hw_start_time +
2774                                                            msecs_to_jiffies(
2775                                                                 tmp->duration) -
2776                                                            j);
2777
2778                                 if (new_dur > 0) {
2779                                         /* add right after tmp */
2780                                         list_add(&roc->list, &tmp->list);
2781                                 } else {
2782                                         list_add_tail(&roc->list,
2783                                                       &tmp->dependents);
2784                                 }
2785                                 queued = true;
2786                         }
2787                 } else if (del_timer_sync(&tmp->work.timer)) {
2788                         unsigned long new_end;
2789
2790                         /*
2791                          * In the software ROC case, cancel the timer, if
2792                          * that fails then the finish work is already
2793                          * queued/pending and thus we queue the new ROC
2794                          * normally, if that succeeds then we can extend
2795                          * the timer duration and TX the frame (if any.)
2796                          */
2797
2798                         list_add_tail(&roc->list, &tmp->dependents);
2799                         queued = true;
2800
2801                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2802
2803                         /* ok, it was started & we canceled timer */
2804                         if (time_after(new_end, tmp->work.timer.expires))
2805                                 mod_timer(&tmp->work.timer, new_end);
2806                         else
2807                                 add_timer(&tmp->work.timer);
2808
2809                         ieee80211_handle_roc_started(roc);
2810                 }
2811                 break;
2812         }
2813
2814  out_queue:
2815         if (!queued)
2816                 list_add_tail(&roc->list, &local->roc_list);
2817
2818         return 0;
2819 }
2820
2821 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2822                                        struct wireless_dev *wdev,
2823                                        struct ieee80211_channel *chan,
2824                                        unsigned int duration,
2825                                        u64 *cookie)
2826 {
2827         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2828         struct ieee80211_local *local = sdata->local;
2829         int ret;
2830
2831         mutex_lock(&local->mtx);
2832         ret = ieee80211_start_roc_work(local, sdata, chan,
2833                                        duration, cookie, NULL,
2834                                        IEEE80211_ROC_TYPE_NORMAL);
2835         mutex_unlock(&local->mtx);
2836
2837         return ret;
2838 }
2839
2840 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2841                                 u64 cookie, bool mgmt_tx)
2842 {
2843         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2844         int ret;
2845
2846         mutex_lock(&local->mtx);
2847         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2848                 struct ieee80211_roc_work *dep, *tmp2;
2849
2850                 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2851                         if (!mgmt_tx && dep->cookie != cookie)
2852                                 continue;
2853                         else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2854                                 continue;
2855                         /* found dependent item -- just remove it */
2856                         list_del(&dep->list);
2857                         mutex_unlock(&local->mtx);
2858
2859                         ieee80211_roc_notify_destroy(dep, true);
2860                         return 0;
2861                 }
2862
2863                 if (!mgmt_tx && roc->cookie != cookie)
2864                         continue;
2865                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2866                         continue;
2867
2868                 found = roc;
2869                 break;
2870         }
2871
2872         if (!found) {
2873                 mutex_unlock(&local->mtx);
2874                 return -ENOENT;
2875         }
2876
2877         /*
2878          * We found the item to cancel, so do that. Note that it
2879          * may have dependents, which we also cancel (and send
2880          * the expired signal for.) Not doing so would be quite
2881          * tricky here, but we may need to fix it later.
2882          */
2883
2884         if (local->ops->remain_on_channel) {
2885                 if (found->started) {
2886                         ret = drv_cancel_remain_on_channel(local);
2887                         if (WARN_ON_ONCE(ret)) {
2888                                 mutex_unlock(&local->mtx);
2889                                 return ret;
2890                         }
2891                 }
2892
2893                 list_del(&found->list);
2894
2895                 if (found->started)
2896                         ieee80211_start_next_roc(local);
2897                 mutex_unlock(&local->mtx);
2898
2899                 ieee80211_roc_notify_destroy(found, true);
2900         } else {
2901                 /* work may be pending so use it all the time */
2902                 found->abort = true;
2903                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2904
2905                 mutex_unlock(&local->mtx);
2906
2907                 /* work will clean up etc */
2908                 flush_delayed_work(&found->work);
2909                 WARN_ON(!found->to_be_freed);
2910                 kfree(found);
2911         }
2912
2913         return 0;
2914 }
2915
2916 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2917                                               struct wireless_dev *wdev,
2918                                               u64 cookie)
2919 {
2920         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2921         struct ieee80211_local *local = sdata->local;
2922
2923         return ieee80211_cancel_roc(local, cookie, false);
2924 }
2925
2926 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2927                                            struct net_device *dev,
2928                                            struct cfg80211_chan_def *chandef,
2929                                            u32 cac_time_ms)
2930 {
2931         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2932         struct ieee80211_local *local = sdata->local;
2933         int err;
2934
2935         mutex_lock(&local->mtx);
2936         if (!list_empty(&local->roc_list) || local->scanning) {
2937                 err = -EBUSY;
2938                 goto out_unlock;
2939         }
2940
2941         /* whatever, but channel contexts should not complain about that one */
2942         sdata->smps_mode = IEEE80211_SMPS_OFF;
2943         sdata->needed_rx_chains = local->rx_chains;
2944
2945         err = ieee80211_vif_use_channel(sdata, chandef,
2946                                         IEEE80211_CHANCTX_SHARED);
2947         if (err)
2948                 goto out_unlock;
2949
2950         ieee80211_queue_delayed_work(&sdata->local->hw,
2951                                      &sdata->dfs_cac_timer_work,
2952                                      msecs_to_jiffies(cac_time_ms));
2953
2954  out_unlock:
2955         mutex_unlock(&local->mtx);
2956         return err;
2957 }
2958
2959 static struct cfg80211_beacon_data *
2960 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2961 {
2962         struct cfg80211_beacon_data *new_beacon;
2963         u8 *pos;
2964         int len;
2965
2966         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2967               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2968               beacon->probe_resp_len;
2969
2970         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2971         if (!new_beacon)
2972                 return NULL;
2973
2974         pos = (u8 *)(new_beacon + 1);
2975         if (beacon->head_len) {
2976                 new_beacon->head_len = beacon->head_len;
2977                 new_beacon->head = pos;
2978                 memcpy(pos, beacon->head, beacon->head_len);
2979                 pos += beacon->head_len;
2980         }
2981         if (beacon->tail_len) {
2982                 new_beacon->tail_len = beacon->tail_len;
2983                 new_beacon->tail = pos;
2984                 memcpy(pos, beacon->tail, beacon->tail_len);
2985                 pos += beacon->tail_len;
2986         }
2987         if (beacon->beacon_ies_len) {
2988                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2989                 new_beacon->beacon_ies = pos;
2990                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2991                 pos += beacon->beacon_ies_len;
2992         }
2993         if (beacon->proberesp_ies_len) {
2994                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2995                 new_beacon->proberesp_ies = pos;
2996                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2997                 pos += beacon->proberesp_ies_len;
2998         }
2999         if (beacon->assocresp_ies_len) {
3000                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3001                 new_beacon->assocresp_ies = pos;
3002                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3003                 pos += beacon->assocresp_ies_len;
3004         }
3005         if (beacon->probe_resp_len) {
3006                 new_beacon->probe_resp_len = beacon->probe_resp_len;
3007                 beacon->probe_resp = pos;
3008                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3009                 pos += beacon->probe_resp_len;
3010         }
3011
3012         return new_beacon;
3013 }
3014
3015 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3016 {
3017         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3018
3019         ieee80211_queue_work(&sdata->local->hw,
3020                              &sdata->csa_finalize_work);
3021 }
3022 EXPORT_SYMBOL(ieee80211_csa_finish);
3023
3024 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3025 {
3026         struct ieee80211_local *local = sdata->local;
3027         int err, changed = 0;
3028
3029         sdata_assert_lock(sdata);
3030
3031         mutex_lock(&local->mtx);
3032         sdata->radar_required = sdata->csa_radar_required;
3033         err = ieee80211_vif_change_channel(sdata, &changed);
3034         mutex_unlock(&local->mtx);
3035         if (WARN_ON(err < 0))
3036                 return;
3037
3038         if (!local->use_chanctx) {
3039                 local->_oper_chandef = sdata->csa_chandef;
3040                 ieee80211_hw_config(local, 0);
3041         }
3042
3043         sdata->vif.csa_active = false;
3044         switch (sdata->vif.type) {
3045         case NL80211_IFTYPE_AP:
3046                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon);
3047                 kfree(sdata->u.ap.next_beacon);
3048                 sdata->u.ap.next_beacon = NULL;
3049
3050                 if (err < 0)
3051                         return;
3052                 changed |= err;
3053                 break;
3054         case NL80211_IFTYPE_ADHOC:
3055                 err = ieee80211_ibss_finish_csa(sdata);
3056                 if (err < 0)
3057                         return;
3058                 changed |= err;
3059                 break;
3060 #ifdef CONFIG_MAC80211_MESH
3061         case NL80211_IFTYPE_MESH_POINT:
3062                 err = ieee80211_mesh_finish_csa(sdata);
3063                 if (err < 0)
3064                         return;
3065                 changed |= err;
3066                 break;
3067 #endif
3068         default:
3069                 WARN_ON(1);
3070                 return;
3071         }
3072
3073         ieee80211_bss_info_change_notify(sdata, changed);
3074
3075         ieee80211_wake_queues_by_reason(&sdata->local->hw,
3076                                         IEEE80211_MAX_QUEUE_MAP,
3077                                         IEEE80211_QUEUE_STOP_REASON_CSA);
3078
3079         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3080 }
3081
3082 void ieee80211_csa_finalize_work(struct work_struct *work)
3083 {
3084         struct ieee80211_sub_if_data *sdata =
3085                 container_of(work, struct ieee80211_sub_if_data,
3086                              csa_finalize_work);
3087
3088         sdata_lock(sdata);
3089         /* AP might have been stopped while waiting for the lock. */
3090         if (!sdata->vif.csa_active)
3091                 goto unlock;
3092
3093         if (!ieee80211_sdata_running(sdata))
3094                 goto unlock;
3095
3096         ieee80211_csa_finalize(sdata);
3097
3098 unlock:
3099         sdata_unlock(sdata);
3100 }
3101
3102 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3103                                     struct cfg80211_csa_settings *params,
3104                                     u32 *changed)
3105 {
3106         int err;
3107
3108         switch (sdata->vif.type) {
3109         case NL80211_IFTYPE_AP:
3110                 sdata->u.ap.next_beacon =
3111                         cfg80211_beacon_dup(&params->beacon_after);
3112                 if (!sdata->u.ap.next_beacon)
3113                         return -ENOMEM;
3114
3115                 /*
3116                  * With a count of 0, we don't have to wait for any
3117                  * TBTT before switching, so complete the CSA
3118                  * immediately.  In theory, with a count == 1 we
3119                  * should delay the switch until just before the next
3120                  * TBTT, but that would complicate things so we switch
3121                  * immediately too.  If we would delay the switch
3122                  * until the next TBTT, we would have to set the probe
3123                  * response here.
3124                  *
3125                  * TODO: A channel switch with count <= 1 without
3126                  * sending a CSA action frame is kind of useless,
3127                  * because the clients won't know we're changing
3128                  * channels.  The action frame must be implemented
3129                  * either here or in the userspace.
3130                  */
3131                 if (params->count <= 1)
3132                         break;
3133
3134                 sdata->csa_counter_offset_beacon =
3135                         params->counter_offset_beacon;
3136                 sdata->csa_counter_offset_presp = params->counter_offset_presp;
3137                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa);
3138                 if (err < 0) {
3139                         kfree(sdata->u.ap.next_beacon);
3140                         return err;
3141                 }
3142                 *changed |= err;
3143
3144                 break;
3145         case NL80211_IFTYPE_ADHOC:
3146                 if (!sdata->vif.bss_conf.ibss_joined)
3147                         return -EINVAL;
3148
3149                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3150                         return -EINVAL;
3151
3152                 switch (params->chandef.width) {
3153                 case NL80211_CHAN_WIDTH_40:
3154                         if (cfg80211_get_chandef_type(&params->chandef) !=
3155                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3156                                 return -EINVAL;
3157                 case NL80211_CHAN_WIDTH_5:
3158                 case NL80211_CHAN_WIDTH_10:
3159                 case NL80211_CHAN_WIDTH_20_NOHT:
3160                 case NL80211_CHAN_WIDTH_20:
3161                         break;
3162                 default:
3163                         return -EINVAL;
3164                 }
3165
3166                 /* changes into another band are not supported */
3167                 if (sdata->u.ibss.chandef.chan->band !=
3168                     params->chandef.chan->band)
3169                         return -EINVAL;
3170
3171                 /* see comments in the NL80211_IFTYPE_AP block */
3172                 if (params->count > 1) {
3173                         err = ieee80211_ibss_csa_beacon(sdata, params);
3174                         if (err < 0)
3175                                 return err;
3176                         *changed |= err;
3177                 }
3178
3179                 ieee80211_send_action_csa(sdata, params);
3180
3181                 break;
3182 #ifdef CONFIG_MAC80211_MESH
3183         case NL80211_IFTYPE_MESH_POINT: {
3184                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3185
3186                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3187                         return -EINVAL;
3188
3189                 /* changes into another band are not supported */
3190                 if (sdata->vif.bss_conf.chandef.chan->band !=
3191                     params->chandef.chan->band)
3192                         return -EINVAL;
3193
3194                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3195                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3196                         if (!ifmsh->pre_value)
3197                                 ifmsh->pre_value = 1;
3198                         else
3199                                 ifmsh->pre_value++;
3200                 }
3201
3202                 /* see comments in the NL80211_IFTYPE_AP block */
3203                 if (params->count > 1) {
3204                         err = ieee80211_mesh_csa_beacon(sdata, params);
3205                         if (err < 0) {
3206                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3207                                 return err;
3208                         }
3209                         *changed |= err;
3210                 }
3211
3212                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3213                         ieee80211_send_action_csa(sdata, params);
3214
3215                 break;
3216                 }
3217 #endif
3218         default:
3219                 return -EOPNOTSUPP;
3220         }
3221
3222         return 0;
3223 }
3224
3225 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3226                              struct cfg80211_csa_settings *params)
3227 {
3228         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3229         struct ieee80211_local *local = sdata->local;
3230         struct ieee80211_chanctx_conf *conf;
3231         struct ieee80211_chanctx *chanctx;
3232         int err, num_chanctx, changed = 0;
3233
3234         sdata_assert_lock(sdata);
3235
3236         if (!list_empty(&local->roc_list) || local->scanning)
3237                 return -EBUSY;
3238
3239         if (sdata->wdev.cac_started)
3240                 return -EBUSY;
3241
3242         if (cfg80211_chandef_identical(&params->chandef,
3243                                        &sdata->vif.bss_conf.chandef))
3244                 return -EINVAL;
3245
3246         mutex_lock(&local->chanctx_mtx);
3247         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3248                                          lockdep_is_held(&local->chanctx_mtx));
3249         if (!conf) {
3250                 mutex_unlock(&local->chanctx_mtx);
3251                 return -EBUSY;
3252         }
3253
3254         /* don't handle for multi-VIF cases */
3255         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3256         if (ieee80211_chanctx_refcount(local, chanctx) > 1) {
3257                 mutex_unlock(&local->chanctx_mtx);
3258                 return -EBUSY;
3259         }
3260         num_chanctx = 0;
3261         list_for_each_entry_rcu(chanctx, &local->chanctx_list, list)
3262                 num_chanctx++;
3263         mutex_unlock(&local->chanctx_mtx);
3264
3265         if (num_chanctx > 1)
3266                 return -EBUSY;
3267
3268         /* don't allow another channel switch if one is already active. */
3269         if (sdata->vif.csa_active)
3270                 return -EBUSY;
3271
3272         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3273         if (err)
3274                 return err;
3275
3276         sdata->csa_radar_required = params->radar_required;
3277
3278         if (params->block_tx)
3279                 ieee80211_stop_queues_by_reason(&local->hw,
3280                                 IEEE80211_MAX_QUEUE_MAP,
3281                                 IEEE80211_QUEUE_STOP_REASON_CSA);
3282
3283         sdata->csa_chandef = params->chandef;
3284         sdata->vif.csa_active = true;
3285
3286         if (changed) {
3287                 ieee80211_bss_info_change_notify(sdata, changed);
3288                 drv_channel_switch_beacon(sdata, &params->chandef);
3289         } else {
3290                 /* if the beacon didn't change, we can finalize immediately */
3291                 ieee80211_csa_finalize(sdata);
3292         }
3293
3294         return 0;
3295 }
3296
3297 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3298                              struct cfg80211_mgmt_tx_params *params,
3299                              u64 *cookie)
3300 {
3301         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3302         struct ieee80211_local *local = sdata->local;
3303         struct sk_buff *skb;
3304         struct sta_info *sta;
3305         const struct ieee80211_mgmt *mgmt = (void *)params->buf;
3306         bool need_offchan = false;
3307         u32 flags;
3308         int ret;
3309
3310         if (params->dont_wait_for_ack)
3311                 flags = IEEE80211_TX_CTL_NO_ACK;
3312         else
3313                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
3314                         IEEE80211_TX_CTL_REQ_TX_STATUS;
3315
3316         if (params->no_cck)
3317                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
3318
3319         switch (sdata->vif.type) {
3320         case NL80211_IFTYPE_ADHOC:
3321                 if (!sdata->vif.bss_conf.ibss_joined)
3322                         need_offchan = true;
3323                 /* fall through */
3324 #ifdef CONFIG_MAC80211_MESH
3325         case NL80211_IFTYPE_MESH_POINT:
3326                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
3327                     !sdata->u.mesh.mesh_id_len)
3328                         need_offchan = true;
3329                 /* fall through */
3330 #endif
3331         case NL80211_IFTYPE_AP:
3332         case NL80211_IFTYPE_AP_VLAN:
3333         case NL80211_IFTYPE_P2P_GO:
3334                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
3335                     !ieee80211_vif_is_mesh(&sdata->vif) &&
3336                     !rcu_access_pointer(sdata->bss->beacon))
3337                         need_offchan = true;
3338                 if (!ieee80211_is_action(mgmt->frame_control) ||
3339                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
3340                     mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED ||
3341                     mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT)
3342                         break;
3343                 rcu_read_lock();
3344                 sta = sta_info_get(sdata, mgmt->da);
3345                 rcu_read_unlock();
3346                 if (!sta)
3347                         return -ENOLINK;
3348                 break;
3349         case NL80211_IFTYPE_STATION:
3350         case NL80211_IFTYPE_P2P_CLIENT:
3351                 if (!sdata->u.mgd.associated)
3352                         need_offchan = true;
3353                 break;
3354         case NL80211_IFTYPE_P2P_DEVICE:
3355                 need_offchan = true;
3356                 break;
3357         default:
3358                 return -EOPNOTSUPP;
3359         }
3360
3361         /* configurations requiring offchan cannot work if no channel has been
3362          * specified
3363          */
3364         if (need_offchan && !params->chan)
3365                 return -EINVAL;
3366
3367         mutex_lock(&local->mtx);
3368
3369         /* Check if the operating channel is the requested channel */
3370         if (!need_offchan) {
3371                 struct ieee80211_chanctx_conf *chanctx_conf;
3372
3373                 rcu_read_lock();
3374                 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3375
3376                 if (chanctx_conf) {
3377                         need_offchan = params->chan &&
3378                                        (params->chan !=
3379                                         chanctx_conf->def.chan);
3380                 } else if (!params->chan) {
3381                         ret = -EINVAL;
3382                         rcu_read_unlock();
3383                         goto out_unlock;
3384                 } else {
3385                         need_offchan = true;
3386                 }
3387                 rcu_read_unlock();
3388         }
3389
3390         if (need_offchan && !params->offchan) {
3391                 ret = -EBUSY;
3392                 goto out_unlock;
3393         }
3394
3395         skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len);
3396         if (!skb) {
3397                 ret = -ENOMEM;
3398                 goto out_unlock;
3399         }
3400         skb_reserve(skb, local->hw.extra_tx_headroom);
3401
3402         memcpy(skb_put(skb, params->len), params->buf, params->len);
3403
3404         IEEE80211_SKB_CB(skb)->flags = flags;
3405
3406         skb->dev = sdata->dev;
3407
3408         if (!need_offchan) {
3409                 *cookie = (unsigned long) skb;
3410                 ieee80211_tx_skb(sdata, skb);
3411                 ret = 0;
3412                 goto out_unlock;
3413         }
3414
3415         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
3416                                         IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
3417         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
3418                 IEEE80211_SKB_CB(skb)->hw_queue =
3419                         local->hw.offchannel_tx_hw_queue;
3420
3421         /* This will handle all kinds of coalescing and immediate TX */
3422         ret = ieee80211_start_roc_work(local, sdata, params->chan,
3423                                        params->wait, cookie, skb,
3424                                        IEEE80211_ROC_TYPE_MGMT_TX);
3425         if (ret)
3426                 kfree_skb(skb);
3427  out_unlock:
3428         mutex_unlock(&local->mtx);
3429         return ret;
3430 }
3431
3432 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
3433                                          struct wireless_dev *wdev,
3434                                          u64 cookie)
3435 {
3436         struct ieee80211_local *local = wiphy_priv(wiphy);
3437
3438         return ieee80211_cancel_roc(local, cookie, true);
3439 }
3440
3441 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3442                                           struct wireless_dev *wdev,
3443                                           u16 frame_type, bool reg)
3444 {
3445         struct ieee80211_local *local = wiphy_priv(wiphy);
3446
3447         switch (frame_type) {
3448         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3449                 if (reg)
3450                         local->probe_req_reg++;
3451                 else
3452                         local->probe_req_reg--;
3453
3454                 if (!local->open_count)
3455                         break;
3456
3457                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
3458                 break;
3459         default:
3460                 break;
3461         }
3462 }
3463
3464 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3465 {
3466         struct ieee80211_local *local = wiphy_priv(wiphy);
3467
3468         if (local->started)
3469                 return -EOPNOTSUPP;
3470
3471         return drv_set_antenna(local, tx_ant, rx_ant);
3472 }
3473
3474 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3475 {
3476         struct ieee80211_local *local = wiphy_priv(wiphy);
3477
3478         return drv_get_antenna(local, tx_ant, rx_ant);
3479 }
3480
3481 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
3482 {
3483         struct ieee80211_local *local = wiphy_priv(wiphy);
3484
3485         return drv_set_ringparam(local, tx, rx);
3486 }
3487
3488 static void ieee80211_get_ringparam(struct wiphy *wiphy,
3489                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
3490 {
3491         struct ieee80211_local *local = wiphy_priv(wiphy);
3492
3493         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
3494 }
3495
3496 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3497                                     struct net_device *dev,
3498                                     struct cfg80211_gtk_rekey_data *data)
3499 {
3500         struct ieee80211_local *local = wiphy_priv(wiphy);
3501         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3502
3503         if (!local->ops->set_rekey_data)
3504                 return -EOPNOTSUPP;
3505
3506         drv_set_rekey_data(local, sdata, data);
3507
3508         return 0;
3509 }
3510
3511 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3512 {
3513         u8 *pos = (void *)skb_put(skb, 7);
3514
3515         *pos++ = WLAN_EID_EXT_CAPABILITY;
3516         *pos++ = 5; /* len */
3517         *pos++ = 0x0;
3518         *pos++ = 0x0;
3519         *pos++ = 0x0;
3520         *pos++ = 0x0;
3521         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3522 }
3523
3524 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3525 {
3526         struct ieee80211_local *local = sdata->local;
3527         u16 capab;
3528
3529         capab = 0;
3530         if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
3531                 return capab;
3532
3533         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3534                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3535         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3536                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3537
3538         return capab;
3539 }
3540
3541 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3542                                        u8 *peer, u8 *bssid)
3543 {
3544         struct ieee80211_tdls_lnkie *lnkid;
3545
3546         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3547
3548         lnkid->ie_type = WLAN_EID_LINK_ID;
3549         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3550
3551         memcpy(lnkid->bssid, bssid, ETH_ALEN);
3552         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3553         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3554 }
3555
3556 static int
3557 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3558                                u8 *peer, u8 action_code, u8 dialog_token,
3559                                u16 status_code, struct sk_buff *skb)
3560 {
3561         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3562         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3563         struct ieee80211_tdls_data *tf;
3564
3565         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3566
3567         memcpy(tf->da, peer, ETH_ALEN);
3568         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3569         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3570         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3571
3572         switch (action_code) {
3573         case WLAN_TDLS_SETUP_REQUEST:
3574                 tf->category = WLAN_CATEGORY_TDLS;
3575                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3576
3577                 skb_put(skb, sizeof(tf->u.setup_req));
3578                 tf->u.setup_req.dialog_token = dialog_token;
3579                 tf->u.setup_req.capability =
3580                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3581
3582                 ieee80211_add_srates_ie(sdata, skb, false, band);
3583                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3584                 ieee80211_tdls_add_ext_capab(skb);
3585                 break;
3586         case WLAN_TDLS_SETUP_RESPONSE:
3587                 tf->category = WLAN_CATEGORY_TDLS;
3588                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3589
3590                 skb_put(skb, sizeof(tf->u.setup_resp));
3591                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3592                 tf->u.setup_resp.dialog_token = dialog_token;
3593                 tf->u.setup_resp.capability =
3594                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3595
3596                 ieee80211_add_srates_ie(sdata, skb, false, band);
3597                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3598                 ieee80211_tdls_add_ext_capab(skb);
3599                 break;
3600         case WLAN_TDLS_SETUP_CONFIRM:
3601                 tf->category = WLAN_CATEGORY_TDLS;
3602                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3603
3604                 skb_put(skb, sizeof(tf->u.setup_cfm));
3605                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3606                 tf->u.setup_cfm.dialog_token = dialog_token;
3607                 break;
3608         case WLAN_TDLS_TEARDOWN:
3609                 tf->category = WLAN_CATEGORY_TDLS;
3610                 tf->action_code = WLAN_TDLS_TEARDOWN;
3611
3612                 skb_put(skb, sizeof(tf->u.teardown));
3613                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3614                 break;
3615         case WLAN_TDLS_DISCOVERY_REQUEST:
3616                 tf->category = WLAN_CATEGORY_TDLS;
3617                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3618
3619                 skb_put(skb, sizeof(tf->u.discover_req));
3620                 tf->u.discover_req.dialog_token = dialog_token;
3621                 break;
3622         default:
3623                 return -EINVAL;
3624         }
3625
3626         return 0;
3627 }
3628
3629 static int
3630 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3631                            u8 *peer, u8 action_code, u8 dialog_token,
3632                            u16 status_code, struct sk_buff *skb)
3633 {
3634         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3635         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3636         struct ieee80211_mgmt *mgmt;
3637
3638         mgmt = (void *)skb_put(skb, 24);
3639         memset(mgmt, 0, 24);
3640         memcpy(mgmt->da, peer, ETH_ALEN);
3641         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3642         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3643
3644         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3645                                           IEEE80211_STYPE_ACTION);
3646
3647         switch (action_code) {
3648         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3649                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3650                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3651                 mgmt->u.action.u.tdls_discover_resp.action_code =
3652                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3653                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3654                         dialog_token;
3655                 mgmt->u.action.u.tdls_discover_resp.capability =
3656                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3657
3658                 ieee80211_add_srates_ie(sdata, skb, false, band);
3659                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3660                 ieee80211_tdls_add_ext_capab(skb);
3661                 break;
3662         default:
3663                 return -EINVAL;
3664         }
3665
3666         return 0;
3667 }
3668
3669 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3670                                u8 *peer, u8 action_code, u8 dialog_token,
3671                                u16 status_code, u32 peer_capability,
3672                                const u8 *extra_ies, size_t extra_ies_len)
3673 {
3674         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3675         struct ieee80211_local *local = sdata->local;
3676         struct sk_buff *skb = NULL;
3677         bool send_direct;
3678         int ret;
3679
3680         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3681                 return -ENOTSUPP;
3682
3683         /* make sure we are in managed mode, and associated */
3684         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3685             !sdata->u.mgd.associated)
3686                 return -EINVAL;
3687
3688         tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3689                  action_code, peer);
3690
3691         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3692                             max(sizeof(struct ieee80211_mgmt),
3693                                 sizeof(struct ieee80211_tdls_data)) +
3694                             50 + /* supported rates */
3695                             7 + /* ext capab */
3696                             extra_ies_len +
3697                             sizeof(struct ieee80211_tdls_lnkie));
3698         if (!skb)
3699                 return -ENOMEM;
3700
3701         skb_reserve(skb, local->hw.extra_tx_headroom);
3702
3703         switch (action_code) {
3704         case WLAN_TDLS_SETUP_REQUEST:
3705         case WLAN_TDLS_SETUP_RESPONSE:
3706         case WLAN_TDLS_SETUP_CONFIRM:
3707         case WLAN_TDLS_TEARDOWN:
3708         case WLAN_TDLS_DISCOVERY_REQUEST:
3709                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3710                                                      action_code, dialog_token,
3711                                                      status_code, skb);
3712                 send_direct = false;
3713                 break;
3714         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3715                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3716                                                  dialog_token, status_code,
3717                                                  skb);
3718                 send_direct = true;
3719                 break;
3720         default:
3721                 ret = -ENOTSUPP;
3722                 break;
3723         }
3724
3725         if (ret < 0)
3726                 goto fail;
3727
3728         if (extra_ies_len)
3729                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3730
3731         /* the TDLS link IE is always added last */
3732         switch (action_code) {
3733         case WLAN_TDLS_SETUP_REQUEST:
3734         case WLAN_TDLS_SETUP_CONFIRM:
3735         case WLAN_TDLS_TEARDOWN:
3736         case WLAN_TDLS_DISCOVERY_REQUEST:
3737                 /* we are the initiator */
3738                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3739                                            sdata->u.mgd.bssid);
3740                 break;
3741         case WLAN_TDLS_SETUP_RESPONSE:
3742         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3743                 /* we are the responder */
3744                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3745                                            sdata->u.mgd.bssid);
3746                 break;
3747         default:
3748                 ret = -ENOTSUPP;
3749                 goto fail;
3750         }
3751
3752         if (send_direct) {
3753                 ieee80211_tx_skb(sdata, skb);
3754                 return 0;
3755         }
3756
3757         /*
3758          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3759          * we should default to AC_VI.
3760          */
3761         switch (action_code) {
3762         case WLAN_TDLS_SETUP_REQUEST:
3763         case WLAN_TDLS_SETUP_RESPONSE:
3764                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3765                 skb->priority = 2;
3766                 break;
3767         default:
3768                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3769                 skb->priority = 5;
3770                 break;
3771         }
3772
3773         /* disable bottom halves when entering the Tx path */
3774         local_bh_disable();
3775         ret = ieee80211_subif_start_xmit(skb, dev);
3776         local_bh_enable();
3777
3778         return ret;
3779
3780 fail:
3781         dev_kfree_skb(skb);
3782         return ret;
3783 }
3784
3785 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3786                                u8 *peer, enum nl80211_tdls_operation oper)
3787 {
3788         struct sta_info *sta;
3789         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3790
3791         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3792                 return -ENOTSUPP;
3793
3794         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3795                 return -EINVAL;
3796
3797         tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3798
3799         switch (oper) {
3800         case NL80211_TDLS_ENABLE_LINK:
3801                 rcu_read_lock();
3802                 sta = sta_info_get(sdata, peer);
3803                 if (!sta) {
3804                         rcu_read_unlock();
3805                         return -ENOLINK;
3806                 }
3807
3808                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3809                 rcu_read_unlock();
3810                 break;
3811         case NL80211_TDLS_DISABLE_LINK:
3812                 return sta_info_destroy_addr(sdata, peer);
3813         case NL80211_TDLS_TEARDOWN:
3814         case NL80211_TDLS_SETUP:
3815         case NL80211_TDLS_DISCOVERY_REQ:
3816                 /* We don't support in-driver setup/teardown/discovery */
3817                 return -ENOTSUPP;
3818         default:
3819                 return -ENOTSUPP;
3820         }
3821
3822         return 0;
3823 }
3824
3825 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3826                                   const u8 *peer, u64 *cookie)
3827 {
3828         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3829         struct ieee80211_local *local = sdata->local;
3830         struct ieee80211_qos_hdr *nullfunc;
3831         struct sk_buff *skb;
3832         int size = sizeof(*nullfunc);
3833         __le16 fc;
3834         bool qos;
3835         struct ieee80211_tx_info *info;
3836         struct sta_info *sta;
3837         struct ieee80211_chanctx_conf *chanctx_conf;
3838         enum ieee80211_band band;
3839
3840         rcu_read_lock();
3841         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3842         if (WARN_ON(!chanctx_conf)) {
3843                 rcu_read_unlock();
3844                 return -EINVAL;
3845         }
3846         band = chanctx_conf->def.chan->band;
3847         sta = sta_info_get_bss(sdata, peer);
3848         if (sta) {
3849                 qos = test_sta_flag(sta, WLAN_STA_WME);
3850         } else {
3851                 rcu_read_unlock();
3852                 return -ENOLINK;
3853         }
3854
3855         if (qos) {
3856                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3857                                  IEEE80211_STYPE_QOS_NULLFUNC |
3858                                  IEEE80211_FCTL_FROMDS);
3859         } else {
3860                 size -= 2;
3861                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3862                                  IEEE80211_STYPE_NULLFUNC |
3863                                  IEEE80211_FCTL_FROMDS);
3864         }
3865
3866         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3867         if (!skb) {
3868                 rcu_read_unlock();
3869                 return -ENOMEM;
3870         }
3871
3872         skb->dev = dev;
3873
3874         skb_reserve(skb, local->hw.extra_tx_headroom);
3875
3876         nullfunc = (void *) skb_put(skb, size);
3877         nullfunc->frame_control = fc;
3878         nullfunc->duration_id = 0;
3879         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3880         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3881         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3882         nullfunc->seq_ctrl = 0;
3883
3884         info = IEEE80211_SKB_CB(skb);
3885
3886         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3887                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3888
3889         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3890         skb->priority = 7;
3891         if (qos)
3892                 nullfunc->qos_ctrl = cpu_to_le16(7);
3893
3894         local_bh_disable();
3895         ieee80211_xmit(sdata, skb, band);
3896         local_bh_enable();
3897         rcu_read_unlock();
3898
3899         *cookie = (unsigned long) skb;
3900         return 0;
3901 }
3902
3903 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3904                                      struct wireless_dev *wdev,
3905                                      struct cfg80211_chan_def *chandef)
3906 {
3907         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3908         struct ieee80211_local *local = wiphy_priv(wiphy);
3909         struct ieee80211_chanctx_conf *chanctx_conf;
3910         int ret = -ENODATA;
3911
3912         rcu_read_lock();
3913         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3914         if (chanctx_conf) {
3915                 *chandef = chanctx_conf->def;
3916                 ret = 0;
3917         } else if (local->open_count > 0 &&
3918                    local->open_count == local->monitors &&
3919                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3920                 if (local->use_chanctx)
3921                         *chandef = local->monitor_chandef;
3922                 else
3923                         *chandef = local->_oper_chandef;
3924                 ret = 0;
3925         }
3926         rcu_read_unlock();
3927
3928         return ret;
3929 }
3930
3931 #ifdef CONFIG_PM
3932 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3933 {
3934         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3935 }
3936 #endif
3937
3938 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3939                                  struct net_device *dev,
3940                                  struct cfg80211_qos_map *qos_map)
3941 {
3942         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3943         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3944
3945         if (qos_map) {
3946                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3947                 if (!new_qos_map)
3948                         return -ENOMEM;
3949                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3950         } else {
3951                 /* A NULL qos_map was passed to disable QoS mapping */
3952                 new_qos_map = NULL;
3953         }
3954
3955         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3956         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3957         if (old_qos_map)
3958                 kfree_rcu(old_qos_map, rcu_head);
3959
3960         return 0;
3961 }
3962
3963 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3964                                       struct net_device *dev,
3965                                       struct cfg80211_chan_def *chandef)
3966 {
3967         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3968         int ret;
3969         u32 changed = 0;
3970
3971         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3972         if (ret == 0)
3973                 ieee80211_bss_info_change_notify(sdata, changed);
3974
3975         return ret;
3976 }
3977
3978 const struct cfg80211_ops mac80211_config_ops = {
3979         .add_virtual_intf = ieee80211_add_iface,
3980         .del_virtual_intf = ieee80211_del_iface,
3981         .change_virtual_intf = ieee80211_change_iface,
3982         .start_p2p_device = ieee80211_start_p2p_device,
3983         .stop_p2p_device = ieee80211_stop_p2p_device,
3984         .add_key = ieee80211_add_key,
3985         .del_key = ieee80211_del_key,
3986         .get_key = ieee80211_get_key,
3987         .set_default_key = ieee80211_config_default_key,
3988         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3989         .start_ap = ieee80211_start_ap,
3990         .change_beacon = ieee80211_change_beacon,
3991         .stop_ap = ieee80211_stop_ap,
3992         .add_station = ieee80211_add_station,
3993         .del_station = ieee80211_del_station,
3994         .change_station = ieee80211_change_station,
3995         .get_station = ieee80211_get_station,
3996         .dump_station = ieee80211_dump_station,
3997         .dump_survey = ieee80211_dump_survey,
3998 #ifdef CONFIG_MAC80211_MESH
3999         .add_mpath = ieee80211_add_mpath,
4000         .del_mpath = ieee80211_del_mpath,
4001         .change_mpath = ieee80211_change_mpath,
4002         .get_mpath = ieee80211_get_mpath,
4003         .dump_mpath = ieee80211_dump_mpath,
4004         .update_mesh_config = ieee80211_update_mesh_config,
4005         .get_mesh_config = ieee80211_get_mesh_config,
4006         .join_mesh = ieee80211_join_mesh,
4007         .leave_mesh = ieee80211_leave_mesh,
4008 #endif
4009         .change_bss = ieee80211_change_bss,
4010         .set_txq_params = ieee80211_set_txq_params,
4011         .set_monitor_channel = ieee80211_set_monitor_channel,
4012         .suspend = ieee80211_suspend,
4013         .resume = ieee80211_resume,
4014         .scan = ieee80211_scan,
4015         .sched_scan_start = ieee80211_sched_scan_start,
4016         .sched_scan_stop = ieee80211_sched_scan_stop,
4017         .auth = ieee80211_auth,
4018         .assoc = ieee80211_assoc,
4019         .deauth = ieee80211_deauth,
4020         .disassoc = ieee80211_disassoc,
4021         .join_ibss = ieee80211_join_ibss,
4022         .leave_ibss = ieee80211_leave_ibss,
4023         .set_mcast_rate = ieee80211_set_mcast_rate,
4024         .set_wiphy_params = ieee80211_set_wiphy_params,
4025         .set_tx_power = ieee80211_set_tx_power,
4026         .get_tx_power = ieee80211_get_tx_power,
4027         .set_wds_peer = ieee80211_set_wds_peer,
4028         .rfkill_poll = ieee80211_rfkill_poll,
4029         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4030         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4031         .set_power_mgmt = ieee80211_set_power_mgmt,
4032         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4033         .remain_on_channel = ieee80211_remain_on_channel,
4034         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4035         .mgmt_tx = ieee80211_mgmt_tx,
4036         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4037         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4038         .mgmt_frame_register = ieee80211_mgmt_frame_register,
4039         .set_antenna = ieee80211_set_antenna,
4040         .get_antenna = ieee80211_get_antenna,
4041         .set_ringparam = ieee80211_set_ringparam,
4042         .get_ringparam = ieee80211_get_ringparam,
4043         .set_rekey_data = ieee80211_set_rekey_data,
4044         .tdls_oper = ieee80211_tdls_oper,
4045         .tdls_mgmt = ieee80211_tdls_mgmt,
4046         .probe_client = ieee80211_probe_client,
4047         .set_noack_map = ieee80211_set_noack_map,
4048 #ifdef CONFIG_PM
4049         .set_wakeup = ieee80211_set_wakeup,
4050 #endif
4051         .get_et_sset_count = ieee80211_get_et_sset_count,
4052         .get_et_stats = ieee80211_get_et_stats,
4053         .get_et_strings = ieee80211_get_et_strings,
4054         .get_channel = ieee80211_cfg_get_channel,
4055         .start_radar_detection = ieee80211_start_radar_detection,
4056         .channel_switch = ieee80211_channel_switch,
4057         .set_qos_map = ieee80211_set_qos_map,
4058         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4059 };