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                         /*
  77                          * Prohibit MONITOR_FLAG_COOK_FRAMES to be
  78                          * changed while the interface is up.
  79                          * Else we would need to add a lot of cruft
  80                          * to update everything:
  81                          *      cooked_mntrs, monitor and all fif_* counters
  82                          *      reconfigure hardware
  83                          */
  84                         if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
  85                             (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
  86                                 return -EBUSY;
  87
  88                         ieee80211_adjust_monitor_flags(sdata, -1);
  89                         sdata->u.mntr_flags = *flags;
  90                         ieee80211_adjust_monitor_flags(sdata, 1);
  91
  92                         ieee80211_configure_filter(local);
  93                 } else {
  94                         /*
  95                          * Because the interface is down, ieee80211_do_stop
  96                          * and ieee80211_do_open take care of "everything"
  97                          * mentioned in the comment above.
  98                          */
  99                         sdata->u.mntr_flags = *flags;
 100                 }
 101         }
 102
 103         return 0;
 104 }
 105
 106 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 107                                       struct wireless_dev *wdev)
 108 {
 109         return ieee80211_do_open(wdev, true);
 110 }
 111
 112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 113                                       struct wireless_dev *wdev)
 114 {
 115         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 116 }
 117
 118 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 119                                   struct net_device *dev,
 120                                   u16 noack_map)
 121 {
 122         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 123
 124         sdata->noack_map = noack_map;
 125         return 0;
 126 }
 127
 128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 129                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 130                              struct key_params *params)
 131 {
 132         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 133         struct sta_info *sta = NULL;
 134         struct ieee80211_key *key;
 135         int err;
 136
 137         if (!ieee80211_sdata_running(sdata))
 138                 return -ENETDOWN;
 139
 140         /* reject WEP and TKIP keys if WEP failed to initialize */
 141         switch (params->cipher) {
 142         case WLAN_CIPHER_SUITE_WEP40:
 143         case WLAN_CIPHER_SUITE_TKIP:
 144         case WLAN_CIPHER_SUITE_WEP104:
 145                 if (IS_ERR(sdata->local->wep_tx_tfm))
 146                         return -EINVAL;
 147                 break;
 148         default:
 149                 break;
 150         }
 151
 152         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 153                                   params->key, params->seq_len, params->seq);
 154         if (IS_ERR(key))
 155                 return PTR_ERR(key);
 156
 157         if (pairwise)
 158                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 159
 160         mutex_lock(&sdata->local->sta_mtx);
 161
 162         if (mac_addr) {
 163                 if (ieee80211_vif_is_mesh(&sdata->vif))
 164                         sta = sta_info_get(sdata, mac_addr);
 165                 else
 166                         sta = sta_info_get_bss(sdata, mac_addr);
 167                 /*
 168                  * The ASSOC test makes sure the driver is ready to
 169                  * receive the key. When wpa_supplicant has roamed
 170                  * using FT, it attempts to set the key before
 171                  * association has completed, this rejects that attempt
 172                  * so it will set the key again after assocation.
 173                  *
 174                  * TODO: accept the key if we have a station entry and
 175                  *       add it to the device after the station.
 176                  */
 177                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 178                         ieee80211_key_free_unused(key);
 179                         err = -ENOENT;
 180                         goto out_unlock;
 181                 }
 182         }
 183
 184         switch (sdata->vif.type) {
 185         case NL80211_IFTYPE_STATION:
 186                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 187                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 188                 break;
 189         case NL80211_IFTYPE_AP:
 190         case NL80211_IFTYPE_AP_VLAN:
 191                 /* Keys without a station are used for TX only */
 192                 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
 193                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 194                 break;
 195         case NL80211_IFTYPE_ADHOC:
 196                 /* no MFP (yet) */
 197                 break;
 198         case NL80211_IFTYPE_MESH_POINT:
 199 #ifdef CONFIG_MAC80211_MESH
 200                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 201                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 202                 break;
 203 #endif
 204         case NL80211_IFTYPE_WDS:
 205         case NL80211_IFTYPE_MONITOR:
 206         case NL80211_IFTYPE_P2P_DEVICE:
 207         case NL80211_IFTYPE_UNSPECIFIED:
 208         case NUM_NL80211_IFTYPES:
 209         case NL80211_IFTYPE_P2P_CLIENT:
 210         case NL80211_IFTYPE_P2P_GO:
 211                 /* shouldn't happen */
 212                 WARN_ON_ONCE(1);
 213                 break;
 214         }
 215
 216         err = ieee80211_key_link(key, sdata, sta);
 217
 218  out_unlock:
 219         mutex_unlock(&sdata->local->sta_mtx);
 220
 221         return err;
 222 }
 223
 224 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 225                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 226 {
 227         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 228         struct ieee80211_local *local = sdata->local;
 229         struct sta_info *sta;
 230         struct ieee80211_key *key = NULL;
 231         int ret;
 232
 233         mutex_lock(&local->sta_mtx);
 234         mutex_lock(&local->key_mtx);
 235
 236         if (mac_addr) {
 237                 ret = -ENOENT;
 238
 239                 sta = sta_info_get_bss(sdata, mac_addr);
 240                 if (!sta)
 241                         goto out_unlock;
 242
 243                 if (pairwise)
 244                         key = key_mtx_dereference(local, sta->ptk);
 245                 else
 246                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 247         } else
 248                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 249
 250         if (!key) {
 251                 ret = -ENOENT;
 252                 goto out_unlock;
 253         }
 254
 255         ieee80211_key_free(key, true);
 256
 257         ret = 0;
 258  out_unlock:
 259         mutex_unlock(&local->key_mtx);
 260         mutex_unlock(&local->sta_mtx);
 261
 262         return ret;
 263 }
 264
 265 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 266                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 267                              void *cookie,
 268                              void (*callback)(void *cookie,
 269                                               struct key_params *params))
 270 {
 271         struct ieee80211_sub_if_data *sdata;
 272         struct sta_info *sta = NULL;
 273         u8 seq[6] = {0};
 274         struct key_params params;
 275         struct ieee80211_key *key = NULL;
 276         u64 pn64;
 277         u32 iv32;
 278         u16 iv16;
 279         int err = -ENOENT;
 280
 281         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 282
 283         rcu_read_lock();
 284
 285         if (mac_addr) {
 286                 sta = sta_info_get_bss(sdata, mac_addr);
 287                 if (!sta)
 288                         goto out;
 289
 290                 if (pairwise)
 291                         key = rcu_dereference(sta->ptk);
 292                 else if (key_idx < NUM_DEFAULT_KEYS)
 293                         key = rcu_dereference(sta->gtk[key_idx]);
 294         } else
 295                 key = rcu_dereference(sdata->keys[key_idx]);
 296
 297         if (!key)
 298                 goto out;
 299
 300         memset(&params, 0, sizeof(params));
 301
 302         params.cipher = key->conf.cipher;
 303
 304         switch (key->conf.cipher) {
 305         case WLAN_CIPHER_SUITE_TKIP:
 306                 iv32 = key->u.tkip.tx.iv32;
 307                 iv16 = key->u.tkip.tx.iv16;
 308
 309                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 310                         drv_get_tkip_seq(sdata->local,
 311                                          key->conf.hw_key_idx,
 312                                          &iv32, &iv16);
 313
 314                 seq[0] = iv16 & 0xff;
 315                 seq[1] = (iv16 >> 8) & 0xff;
 316                 seq[2] = iv32 & 0xff;
 317                 seq[3] = (iv32 >> 8) & 0xff;
 318                 seq[4] = (iv32 >> 16) & 0xff;
 319                 seq[5] = (iv32 >> 24) & 0xff;
 320                 params.seq = seq;
 321                 params.seq_len = 6;
 322                 break;
 323         case WLAN_CIPHER_SUITE_CCMP:
 324                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 325                 seq[0] = pn64;
 326                 seq[1] = pn64 >> 8;
 327                 seq[2] = pn64 >> 16;
 328                 seq[3] = pn64 >> 24;
 329                 seq[4] = pn64 >> 32;
 330                 seq[5] = pn64 >> 40;
 331                 params.seq = seq;
 332                 params.seq_len = 6;
 333                 break;
 334         case WLAN_CIPHER_SUITE_AES_CMAC:
 335                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 336                 seq[0] = pn64;
 337                 seq[1] = pn64 >> 8;
 338                 seq[2] = pn64 >> 16;
 339                 seq[3] = pn64 >> 24;
 340                 seq[4] = pn64 >> 32;
 341                 seq[5] = pn64 >> 40;
 342                 params.seq = seq;
 343                 params.seq_len = 6;
 344                 break;
 345         }
 346
 347         params.key = key->conf.key;
 348         params.key_len = key->conf.keylen;
 349
 350         callback(cookie, &params);
 351         err = 0;
 352
 353  out:
 354         rcu_read_unlock();
 355         return err;
 356 }
 357
 358 static int ieee80211_config_default_key(struct wiphy *wiphy,
 359                                         struct net_device *dev,
 360                                         u8 key_idx, bool uni,
 361                                         bool multi)
 362 {
 363         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 364
 365         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 366
 367         return 0;
 368 }
 369
 370 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 371                                              struct net_device *dev,
 372                                              u8 key_idx)
 373 {
 374         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 375
 376         ieee80211_set_default_mgmt_key(sdata, key_idx);
 377
 378         return 0;
 379 }
 380
 381 void sta_set_rate_info_tx(struct sta_info *sta,
 382                           const struct ieee80211_tx_rate *rate,
 383                           struct rate_info *rinfo)
 384 {
 385         rinfo->flags = 0;
 386         if (rate->flags & IEEE80211_TX_RC_MCS) {
 387                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 388                 rinfo->mcs = rate->idx;
 389         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 390                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 391                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 392                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 393         } else {
 394                 struct ieee80211_supported_band *sband;
 395                 sband = sta->local->hw.wiphy->bands[
 396                                 ieee80211_get_sdata_band(sta->sdata)];
 397                 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
 398         }
 399         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 400                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 401         if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 402                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 403         if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 404                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 405         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 406                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 407 }
 408
 409 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 410 {
 411         rinfo->flags = 0;
 412
 413         if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 414                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 415                 rinfo->mcs = sta->last_rx_rate_idx;
 416         } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
 417                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 418                 rinfo->nss = sta->last_rx_rate_vht_nss;
 419                 rinfo->mcs = sta->last_rx_rate_idx;
 420         } else {
 421                 struct ieee80211_supported_band *sband;
 422
 423                 sband = sta->local->hw.wiphy->bands[
 424                                 ieee80211_get_sdata_band(sta->sdata)];
 425                 rinfo->legacy =
 426                         sband->bitrates[sta->last_rx_rate_idx].bitrate;
 427         }
 428
 429         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 430                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 431         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 432                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 433         if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
 434                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 435         if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
 436                 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
 437         if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
 438                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 439 }
 440
 441 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 442 {
 443         struct ieee80211_sub_if_data *sdata = sta->sdata;
 444         struct ieee80211_local *local = sdata->local;
 445         struct timespec uptime;
 446         u64 packets = 0;
 447         int ac;
 448
 449         sinfo->generation = sdata->local->sta_generation;
 450
 451         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 452                         STATION_INFO_RX_BYTES64 |
 453                         STATION_INFO_TX_BYTES64 |
 454                         STATION_INFO_RX_PACKETS |
 455                         STATION_INFO_TX_PACKETS |
 456                         STATION_INFO_TX_RETRIES |
 457                         STATION_INFO_TX_FAILED |
 458                         STATION_INFO_TX_BITRATE |
 459                         STATION_INFO_RX_BITRATE |
 460                         STATION_INFO_RX_DROP_MISC |
 461                         STATION_INFO_BSS_PARAM |
 462                         STATION_INFO_CONNECTED_TIME |
 463                         STATION_INFO_STA_FLAGS |
 464                         STATION_INFO_BEACON_LOSS_COUNT;
 465
 466         do_posix_clock_monotonic_gettime(&uptime);
 467         sinfo->connected_time = uptime.tv_sec - sta->last_connected;
 468
 469         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 470         sinfo->tx_bytes = 0;
 471         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 472                 sinfo->tx_bytes += sta->tx_bytes[ac];
 473                 packets += sta->tx_packets[ac];
 474         }
 475         sinfo->tx_packets = packets;
 476         sinfo->rx_bytes = sta->rx_bytes;
 477         sinfo->rx_packets = sta->rx_packets;
 478         sinfo->tx_retries = sta->tx_retry_count;
 479         sinfo->tx_failed = sta->tx_retry_failed;
 480         sinfo->rx_dropped_misc = sta->rx_dropped;
 481         sinfo->beacon_loss_count = sta->beacon_loss_count;
 482
 483         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 484             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 485                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 486                 if (!local->ops->get_rssi ||
 487                     drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
 488                         sinfo->signal = (s8)sta->last_signal;
 489                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 490         }
 491
 492         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 493         sta_set_rate_info_rx(sta, &sinfo->rxrate);
 494
 495         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 496 #ifdef CONFIG_MAC80211_MESH
 497                 sinfo->filled |= STATION_INFO_LLID |
 498                                  STATION_INFO_PLID |
 499                                  STATION_INFO_PLINK_STATE |
 500                                  STATION_INFO_LOCAL_PM |
 501                                  STATION_INFO_PEER_PM |
 502                                  STATION_INFO_NONPEER_PM;
 503
 504                 sinfo->llid = le16_to_cpu(sta->llid);
 505                 sinfo->plid = le16_to_cpu(sta->plid);
 506                 sinfo->plink_state = sta->plink_state;
 507                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 508                         sinfo->filled |= STATION_INFO_T_OFFSET;
 509                         sinfo->t_offset = sta->t_offset;
 510                 }
 511                 sinfo->local_pm = sta->local_pm;
 512                 sinfo->peer_pm = sta->peer_pm;
 513                 sinfo->nonpeer_pm = sta->nonpeer_pm;
 514 #endif
 515         }
 516
 517         sinfo->bss_param.flags = 0;
 518         if (sdata->vif.bss_conf.use_cts_prot)
 519                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 520         if (sdata->vif.bss_conf.use_short_preamble)
 521                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 522         if (sdata->vif.bss_conf.use_short_slot)
 523                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 524         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 525         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 526
 527         sinfo->sta_flags.set = 0;
 528         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 529                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 530                                 BIT(NL80211_STA_FLAG_WME) |
 531                                 BIT(NL80211_STA_FLAG_MFP) |
 532                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 533                                 BIT(NL80211_STA_FLAG_ASSOCIATED) |
 534                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 535         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 536                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 537         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 538                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 539         if (test_sta_flag(sta, WLAN_STA_WME))
 540                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 541         if (test_sta_flag(sta, WLAN_STA_MFP))
 542                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 543         if (test_sta_flag(sta, WLAN_STA_AUTH))
 544                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 545         if (test_sta_flag(sta, WLAN_STA_ASSOC))
 546                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
 547         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 548                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 549 }
 550
 551 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 552         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 553         "rx_duplicates", "rx_fragments", "rx_dropped",
 554         "tx_packets", "tx_bytes", "tx_fragments",
 555         "tx_filtered", "tx_retry_failed", "tx_retries",
 556         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 557         "channel", "noise", "ch_time", "ch_time_busy",
 558         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 559 };
 560 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 561
 562 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 563                                        struct net_device *dev,
 564                                        int sset)
 565 {
 566         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 567         int rv = 0;
 568
 569         if (sset == ETH_SS_STATS)
 570                 rv += STA_STATS_LEN;
 571
 572         rv += drv_get_et_sset_count(sdata, sset);
 573
 574         if (rv == 0)
 575                 return -EOPNOTSUPP;
 576         return rv;
 577 }
 578
 579 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 580                                    struct net_device *dev,
 581                                    struct ethtool_stats *stats,
 582                                    u64 *data)
 583 {
 584         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 585         struct ieee80211_chanctx_conf *chanctx_conf;
 586         struct ieee80211_channel *channel;
 587         struct sta_info *sta;
 588         struct ieee80211_local *local = sdata->local;
 589         struct station_info sinfo;
 590         struct survey_info survey;
 591         int i, q;
 592 #define STA_STATS_SURVEY_LEN 7
 593
 594         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 595
 596 #define ADD_STA_STATS(sta)                              \
 597         do {                                            \
 598                 data[i++] += sta->rx_packets;           \
 599                 data[i++] += sta->rx_bytes;             \
 600                 data[i++] += sta->wep_weak_iv_count;    \
 601                 data[i++] += sta->num_duplicates;       \
 602                 data[i++] += sta->rx_fragments;         \
 603                 data[i++] += sta->rx_dropped;           \
 604                                                         \
 605                 data[i++] += sinfo.tx_packets;          \
 606                 data[i++] += sinfo.tx_bytes;            \
 607                 data[i++] += sta->tx_fragments;         \
 608                 data[i++] += sta->tx_filtered_count;    \
 609                 data[i++] += sta->tx_retry_failed;      \
 610                 data[i++] += sta->tx_retry_count;       \
 611                 data[i++] += sta->beacon_loss_count;    \
 612         } while (0)
 613
 614         /* For Managed stations, find the single station based on BSSID
 615          * and use that.  For interface types, iterate through all available
 616          * stations and add stats for any station that is assigned to this
 617          * network device.
 618          */
 619
 620         mutex_lock(&local->sta_mtx);
 621
 622         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 623                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 624
 625                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 626                         goto do_survey;
 627
 628                 sinfo.filled = 0;
 629                 sta_set_sinfo(sta, &sinfo);
 630
 631                 i = 0;
 632                 ADD_STA_STATS(sta);
 633
 634                 data[i++] = sta->sta_state;
 635
 636
 637                 if (sinfo.filled & STATION_INFO_TX_BITRATE)
 638                         data[i] = 100000 *
 639                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 640                 i++;
 641                 if (sinfo.filled & STATION_INFO_RX_BITRATE)
 642                         data[i] = 100000 *
 643                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 644                 i++;
 645
 646                 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
 647                         data[i] = (u8)sinfo.signal_avg;
 648                 i++;
 649         } else {
 650                 list_for_each_entry(sta, &local->sta_list, list) {
 651                         /* Make sure this station belongs to the proper dev */
 652                         if (sta->sdata->dev != dev)
 653                                 continue;
 654
 655                         i = 0;
 656                         ADD_STA_STATS(sta);
 657                 }
 658         }
 659
 660 do_survey:
 661         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 662         /* Get survey stats for current channel */
 663         survey.filled = 0;
 664
 665         rcu_read_lock();
 666         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 667         if (chanctx_conf)
 668                 channel = chanctx_conf->def.chan;
 669         else
 670                 channel = NULL;
 671         rcu_read_unlock();
 672
 673         if (channel) {
 674                 q = 0;
 675                 do {
 676                         survey.filled = 0;
 677                         if (drv_get_survey(local, q, &survey) != 0) {
 678                                 survey.filled = 0;
 679                                 break;
 680                         }
 681                         q++;
 682                 } while (channel != survey.channel);
 683         }
 684
 685         if (survey.filled)
 686                 data[i++] = survey.channel->center_freq;
 687         else
 688                 data[i++] = 0;
 689         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 690                 data[i++] = (u8)survey.noise;
 691         else
 692                 data[i++] = -1LL;
 693         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 694                 data[i++] = survey.channel_time;
 695         else
 696                 data[i++] = -1LL;
 697         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 698                 data[i++] = survey.channel_time_busy;
 699         else
 700                 data[i++] = -1LL;
 701         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 702                 data[i++] = survey.channel_time_ext_busy;
 703         else
 704                 data[i++] = -1LL;
 705         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 706                 data[i++] = survey.channel_time_rx;
 707         else
 708                 data[i++] = -1LL;
 709         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 710                 data[i++] = survey.channel_time_tx;
 711         else
 712                 data[i++] = -1LL;
 713
 714         mutex_unlock(&local->sta_mtx);
 715
 716         if (WARN_ON(i != STA_STATS_LEN))
 717                 return;
 718
 719         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 720 }
 721
 722 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 723                                      struct net_device *dev,
 724                                      u32 sset, u8 *data)
 725 {
 726         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 727         int sz_sta_stats = 0;
 728
 729         if (sset == ETH_SS_STATS) {
 730                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 731                 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
 732         }
 733         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 734 }
 735
 736 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 737                                  int idx, u8 *mac, struct station_info *sinfo)
 738 {
 739         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 740         struct ieee80211_local *local = sdata->local;
 741         struct sta_info *sta;
 742         int ret = -ENOENT;
 743
 744         mutex_lock(&local->sta_mtx);
 745
 746         sta = sta_info_get_by_idx(sdata, idx);
 747         if (sta) {
 748                 ret = 0;
 749                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 750                 sta_set_sinfo(sta, sinfo);
 751         }
 752
 753         mutex_unlock(&local->sta_mtx);
 754
 755         return ret;
 756 }
 757
 758 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 759                                  int idx, struct survey_info *survey)
 760 {
 761         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 762
 763         return drv_get_survey(local, idx, survey);
 764 }
 765
 766 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 767                                  u8 *mac, struct station_info *sinfo)
 768 {
 769         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 770         struct ieee80211_local *local = sdata->local;
 771         struct sta_info *sta;
 772         int ret = -ENOENT;
 773
 774         mutex_lock(&local->sta_mtx);
 775
 776         sta = sta_info_get_bss(sdata, mac);
 777         if (sta) {
 778                 ret = 0;
 779                 sta_set_sinfo(sta, sinfo);
 780         }
 781
 782         mutex_unlock(&local->sta_mtx);
 783
 784         return ret;
 785 }
 786
 787 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 788                                          struct cfg80211_chan_def *chandef)
 789 {
 790         struct ieee80211_local *local = wiphy_priv(wiphy);
 791         struct ieee80211_sub_if_data *sdata;
 792         int ret = 0;
 793
 794         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 795                 return 0;
 796
 797         mutex_lock(&local->iflist_mtx);
 798         if (local->use_chanctx) {
 799                 sdata = rcu_dereference_protected(
 800                                 local->monitor_sdata,
 801                                 lockdep_is_held(&local->iflist_mtx));
 802                 if (sdata) {
 803                         ieee80211_vif_release_channel(sdata);
 804                         ret = ieee80211_vif_use_channel(sdata, chandef,
 805                                         IEEE80211_CHANCTX_EXCLUSIVE);
 806                 }
 807         } else if (local->open_count == local->monitors) {
 808                 local->_oper_chandef = *chandef;
 809                 ieee80211_hw_config(local, 0);
 810         }
 811
 812         if (ret == 0)
 813                 local->monitor_chandef = *chandef;
 814         mutex_unlock(&local->iflist_mtx);
 815
 816         return ret;
 817 }
 818
 819 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 820                                     const u8 *resp, size_t resp_len)
 821 {
 822         struct probe_resp *new, *old;
 823
 824         if (!resp || !resp_len)
 825                 return 1;
 826
 827         old = rtnl_dereference(sdata->u.ap.probe_resp);
 828
 829         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 830         if (!new)
 831                 return -ENOMEM;
 832
 833         new->len = resp_len;
 834         memcpy(new->data, resp, resp_len);
 835
 836         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 837         if (old)
 838                 kfree_rcu(old, rcu_head);
 839
 840         return 0;
 841 }
 842
 843 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 844                                    struct cfg80211_beacon_data *params)
 845 {
 846         struct beacon_data *new, *old;
 847         int new_head_len, new_tail_len;
 848         int size, err;
 849         u32 changed = BSS_CHANGED_BEACON;
 850
 851         old = rtnl_dereference(sdata->u.ap.beacon);
 852
 853         /* Need to have a beacon head if we don't have one yet */
 854         if (!params->head && !old)
 855                 return -EINVAL;
 856
 857         /* new or old head? */
 858         if (params->head)
 859                 new_head_len = params->head_len;
 860         else
 861                 new_head_len = old->head_len;
 862
 863         /* new or old tail? */
 864         if (params->tail || !old)
 865                 /* params->tail_len will be zero for !params->tail */
 866                 new_tail_len = params->tail_len;
 867         else
 868                 new_tail_len = old->tail_len;
 869
 870         size = sizeof(*new) + new_head_len + new_tail_len;
 871
 872         new = kzalloc(size, GFP_KERNEL);
 873         if (!new)
 874                 return -ENOMEM;
 875
 876         /* start filling the new info now */
 877
 878         /*
 879          * pointers go into the block we allocated,
 880          * memory is | beacon_data | head | tail |
 881          */
 882         new->head = ((u8 *) new) + sizeof(*new);
 883         new->tail = new->head + new_head_len;
 884         new->head_len = new_head_len;
 885         new->tail_len = new_tail_len;
 886
 887         /* copy in head */
 888         if (params->head)
 889                 memcpy(new->head, params->head, new_head_len);
 890         else
 891                 memcpy(new->head, old->head, new_head_len);
 892
 893         /* copy in optional tail */
 894         if (params->tail)
 895                 memcpy(new->tail, params->tail, new_tail_len);
 896         else
 897                 if (old)
 898                         memcpy(new->tail, old->tail, new_tail_len);
 899
 900         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 901                                        params->probe_resp_len);
 902         if (err < 0)
 903                 return err;
 904         if (err == 0)
 905                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 906
 907         rcu_assign_pointer(sdata->u.ap.beacon, new);
 908
 909         if (old)
 910                 kfree_rcu(old, rcu_head);
 911
 912         return changed;
 913 }
 914
 915 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 916                               struct cfg80211_ap_settings *params)
 917 {
 918         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 919         struct beacon_data *old;
 920         struct ieee80211_sub_if_data *vlan;
 921         u32 changed = BSS_CHANGED_BEACON_INT |
 922                       BSS_CHANGED_BEACON_ENABLED |
 923                       BSS_CHANGED_BEACON |
 924                       BSS_CHANGED_SSID |
 925                       BSS_CHANGED_P2P_PS;
 926         int err;
 927
 928         old = rtnl_dereference(sdata->u.ap.beacon);
 929         if (old)
 930                 return -EALREADY;
 931
 932         /* TODO: make hostapd tell us what it wants */
 933         sdata->smps_mode = IEEE80211_SMPS_OFF;
 934         sdata->needed_rx_chains = sdata->local->rx_chains;
 935         sdata->radar_required = params->radar_required;
 936
 937         err = ieee80211_vif_use_channel(sdata, &params->chandef,
 938                                         IEEE80211_CHANCTX_SHARED);
 939         if (err)
 940                 return err;
 941         ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
 942
 943         /*
 944          * Apply control port protocol, this allows us to
 945          * not encrypt dynamic WEP control frames.
 946          */
 947         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 948         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 949         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 950                 vlan->control_port_protocol =
 951                         params->crypto.control_port_ethertype;
 952                 vlan->control_port_no_encrypt =
 953                         params->crypto.control_port_no_encrypt;
 954         }
 955
 956         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 957         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 958         sdata->vif.bss_conf.enable_beacon = true;
 959
 960         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 961         if (params->ssid_len)
 962                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 963                        params->ssid_len);
 964         sdata->vif.bss_conf.hidden_ssid =
 965                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 966
 967         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
 968                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
 969         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
 970                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
 971         if (params->p2p_opp_ps)
 972                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
 973                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
 974
 975         err = ieee80211_assign_beacon(sdata, &params->beacon);
 976         if (err < 0)
 977                 return err;
 978         changed |= err;
 979
 980         err = drv_start_ap(sdata->local, sdata);
 981         if (err) {
 982                 old = rtnl_dereference(sdata->u.ap.beacon);
 983                 if (old)
 984                         kfree_rcu(old, rcu_head);
 985                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
 986                 return err;
 987         }
 988
 989         ieee80211_bss_info_change_notify(sdata, changed);
 990
 991         netif_carrier_on(dev);
 992         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 993                 netif_carrier_on(vlan->dev);
 994
 995         return 0;
 996 }
 997
 998 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 999                                    struct cfg80211_beacon_data *params)
1000 {
1001         struct ieee80211_sub_if_data *sdata;
1002         struct beacon_data *old;
1003         int err;
1004
1005         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1006
1007         old = rtnl_dereference(sdata->u.ap.beacon);
1008         if (!old)
1009                 return -ENOENT;
1010
1011         err = ieee80211_assign_beacon(sdata, params);
1012         if (err < 0)
1013                 return err;
1014         ieee80211_bss_info_change_notify(sdata, err);
1015         return 0;
1016 }
1017
1018 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1019 {
1020         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021         struct ieee80211_sub_if_data *vlan;
1022         struct ieee80211_local *local = sdata->local;
1023         struct beacon_data *old_beacon;
1024         struct probe_resp *old_probe_resp;
1025
1026         old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1027         if (!old_beacon)
1028                 return -ENOENT;
1029         old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1030
1031         /* turn off carrier for this interface and dependent VLANs */
1032         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1033                 netif_carrier_off(vlan->dev);
1034         netif_carrier_off(dev);
1035
1036         /* remove beacon and probe response */
1037         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1038         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1039         kfree_rcu(old_beacon, rcu_head);
1040         if (old_probe_resp)
1041                 kfree_rcu(old_probe_resp, rcu_head);
1042
1043         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1044                 sta_info_flush_defer(vlan);
1045         sta_info_flush_defer(sdata);
1046         synchronize_net();
1047         rcu_barrier();
1048         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1049                 sta_info_flush_cleanup(vlan);
1050                 ieee80211_free_keys(vlan);
1051         }
1052         sta_info_flush_cleanup(sdata);
1053         ieee80211_free_keys(sdata);
1054
1055         sdata->vif.bss_conf.enable_beacon = false;
1056         sdata->vif.bss_conf.ssid_len = 0;
1057         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1058         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1059
1060         drv_stop_ap(sdata->local, sdata);
1061
1062         /* free all potentially still buffered bcast frames */
1063         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1064         skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1065
1066         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1067         ieee80211_vif_release_channel(sdata);
1068
1069         return 0;
1070 }
1071
1072 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1073 struct iapp_layer2_update {
1074         u8 da[ETH_ALEN];        /* broadcast */
1075         u8 sa[ETH_ALEN];        /* STA addr */
1076         __be16 len;             /* 6 */
1077         u8 dsap;                /* 0 */
1078         u8 ssap;                /* 0 */
1079         u8 control;
1080         u8 xid_info[3];
1081 } __packed;
1082
1083 static void ieee80211_send_layer2_update(struct sta_info *sta)
1084 {
1085         struct iapp_layer2_update *msg;
1086         struct sk_buff *skb;
1087
1088         /* Send Level 2 Update Frame to update forwarding tables in layer 2
1089          * bridge devices */
1090
1091         skb = dev_alloc_skb(sizeof(*msg));
1092         if (!skb)
1093                 return;
1094         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1095
1096         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1097          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1098
1099         eth_broadcast_addr(msg->da);
1100         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1101         msg->len = htons(6);
1102         msg->dsap = 0;
1103         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
1104         msg->control = 0xaf;    /* XID response lsb.1111F101.
1105                                  * F=0 (no poll command; unsolicited frame) */
1106         msg->xid_info[0] = 0x81;        /* XID format identifier */
1107         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
1108         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
1109
1110         skb->dev = sta->sdata->dev;
1111         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1112         memset(skb->cb, 0, sizeof(skb->cb));
1113         netif_rx_ni(skb);
1114 }
1115
1116 static int sta_apply_auth_flags(struct ieee80211_local *local,
1117                                 struct sta_info *sta,
1118                                 u32 mask, u32 set)
1119 {
1120         int ret;
1121
1122         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1123             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1124             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1125                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1126                 if (ret)
1127                         return ret;
1128         }
1129
1130         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1131             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1132             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1133                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1134                 if (ret)
1135                         return ret;
1136         }
1137
1138         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1139                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1140                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1141                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1142                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1143                 else
1144                         ret = 0;
1145                 if (ret)
1146                         return ret;
1147         }
1148
1149         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1150             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1151             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1152                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1153                 if (ret)
1154                         return ret;
1155         }
1156
1157         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1158             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1159             test_sta_flag(sta, WLAN_STA_AUTH)) {
1160                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1161                 if (ret)
1162                         return ret;
1163         }
1164
1165         return 0;
1166 }
1167
1168 static int sta_apply_parameters(struct ieee80211_local *local,
1169                                 struct sta_info *sta,
1170                                 struct station_parameters *params)
1171 {
1172         int ret = 0;
1173         u32 rates;
1174         int i, j;
1175         struct ieee80211_supported_band *sband;
1176         struct ieee80211_sub_if_data *sdata = sta->sdata;
1177         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1178         u32 mask, set;
1179
1180         sband = local->hw.wiphy->bands[band];
1181
1182         mask = params->sta_flags_mask;
1183         set = params->sta_flags_set;
1184
1185         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1186                 /*
1187                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1188                  * API but must follow AUTHENTICATED for driver state.
1189                  */
1190                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1191                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1192                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1193                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1194         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1195                 /*
1196                  * TDLS -- everything follows authorized, but
1197                  * only becoming authorized is possible, not
1198                  * going back
1199                  */
1200                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1201                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1202                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1203                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1204                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1205                 }
1206         }
1207
1208         ret = sta_apply_auth_flags(local, sta, mask, set);
1209         if (ret)
1210                 return ret;
1211
1212         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1213                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1214                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1215                 else
1216                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1217         }
1218
1219         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1220                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1221                         set_sta_flag(sta, WLAN_STA_WME);
1222                         sta->sta.wme = true;
1223                 } else {
1224                         clear_sta_flag(sta, WLAN_STA_WME);
1225                         sta->sta.wme = false;
1226                 }
1227         }
1228
1229         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1230                 if (set & BIT(NL80211_STA_FLAG_MFP))
1231                         set_sta_flag(sta, WLAN_STA_MFP);
1232                 else
1233                         clear_sta_flag(sta, WLAN_STA_MFP);
1234         }
1235
1236         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1237                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1238                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1239                 else
1240                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1241         }
1242
1243         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1244                 sta->sta.uapsd_queues = params->uapsd_queues;
1245                 sta->sta.max_sp = params->max_sp;
1246         }
1247
1248         /*
1249          * cfg80211 validates this (1-2007) and allows setting the AID
1250          * only when creating a new station entry
1251          */
1252         if (params->aid)
1253                 sta->sta.aid = params->aid;
1254
1255         /*
1256          * Some of the following updates would be racy if called on an
1257          * existing station, via ieee80211_change_station(). However,
1258          * all such changes are rejected by cfg80211 except for updates
1259          * changing the supported rates on an existing but not yet used
1260          * TDLS peer.
1261          */
1262
1263         if (params->listen_interval >= 0)
1264                 sta->listen_interval = params->listen_interval;
1265
1266         if (params->supported_rates) {
1267                 rates = 0;
1268
1269                 for (i = 0; i < params->supported_rates_len; i++) {
1270                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1271                         for (j = 0; j < sband->n_bitrates; j++) {
1272                                 if (sband->bitrates[j].bitrate == rate)
1273                                         rates |= BIT(j);
1274                         }
1275                 }
1276                 sta->sta.supp_rates[band] = rates;
1277         }
1278
1279         if (params->ht_capa)
1280                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1281                                                   params->ht_capa, sta);
1282
1283         if (params->vht_capa)
1284                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1285                                                     params->vht_capa, sta);
1286
1287         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1288 #ifdef CONFIG_MAC80211_MESH
1289                 u32 changed = 0;
1290
1291                 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1292                         switch (params->plink_state) {
1293                         case NL80211_PLINK_ESTAB:
1294                                 if (sta->plink_state != NL80211_PLINK_ESTAB)
1295                                         changed = mesh_plink_inc_estab_count(
1296                                                         sdata);
1297                                 sta->plink_state = params->plink_state;
1298
1299                                 ieee80211_mps_sta_status_update(sta);
1300                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1301                                               sdata->u.mesh.mshcfg.power_mode);
1302                                 break;
1303                         case NL80211_PLINK_LISTEN:
1304                         case NL80211_PLINK_BLOCKED:
1305                         case NL80211_PLINK_OPN_SNT:
1306                         case NL80211_PLINK_OPN_RCVD:
1307                         case NL80211_PLINK_CNF_RCVD:
1308                         case NL80211_PLINK_HOLDING:
1309                                 if (sta->plink_state == NL80211_PLINK_ESTAB)
1310                                         changed = mesh_plink_dec_estab_count(
1311                                                         sdata);
1312                                 sta->plink_state = params->plink_state;
1313
1314                                 ieee80211_mps_sta_status_update(sta);
1315                                 changed |=
1316                                       ieee80211_mps_local_status_update(sdata);
1317                                 break;
1318                         default:
1319                                 /*  nothing  */
1320                                 break;
1321                         }
1322                 }
1323
1324                 switch (params->plink_action) {
1325                 case NL80211_PLINK_ACTION_NO_ACTION:
1326                         /* nothing */
1327                         break;
1328                 case NL80211_PLINK_ACTION_OPEN:
1329                         changed |= mesh_plink_open(sta);
1330                         break;
1331                 case NL80211_PLINK_ACTION_BLOCK:
1332                         changed |= mesh_plink_block(sta);
1333                         break;
1334                 }
1335
1336                 if (params->local_pm)
1337                         changed |=
1338                               ieee80211_mps_set_sta_local_pm(sta,
1339                                                              params->local_pm);
1340                 ieee80211_bss_info_change_notify(sdata, changed);
1341 #endif
1342         }
1343
1344         return 0;
1345 }
1346
1347 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1348                                  u8 *mac, struct station_parameters *params)
1349 {
1350         struct ieee80211_local *local = wiphy_priv(wiphy);
1351         struct sta_info *sta;
1352         struct ieee80211_sub_if_data *sdata;
1353         int err;
1354         int layer2_update;
1355
1356         if (params->vlan) {
1357                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1358
1359                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1360                     sdata->vif.type != NL80211_IFTYPE_AP)
1361                         return -EINVAL;
1362         } else
1363                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1364
1365         if (ether_addr_equal(mac, sdata->vif.addr))
1366                 return -EINVAL;
1367
1368         if (is_multicast_ether_addr(mac))
1369                 return -EINVAL;
1370
1371         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1372         if (!sta)
1373                 return -ENOMEM;
1374
1375         /*
1376          * defaults -- if userspace wants something else we'll
1377          * change it accordingly in sta_apply_parameters()
1378          */
1379         if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1380                 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1381                 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1382         }
1383
1384         err = sta_apply_parameters(local, sta, params);
1385         if (err) {
1386                 sta_info_free(local, sta);
1387                 return err;
1388         }
1389
1390         /*
1391          * for TDLS, rate control should be initialized only when
1392          * rates are known and station is marked authorized
1393          */
1394         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1395                 rate_control_rate_init(sta);
1396
1397         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1398                 sdata->vif.type == NL80211_IFTYPE_AP;
1399
1400         err = sta_info_insert_rcu(sta);
1401         if (err) {
1402                 rcu_read_unlock();
1403                 return err;
1404         }
1405
1406         if (layer2_update)
1407                 ieee80211_send_layer2_update(sta);
1408
1409         rcu_read_unlock();
1410
1411         return 0;
1412 }
1413
1414 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1415                                  u8 *mac)
1416 {
1417         struct ieee80211_sub_if_data *sdata;
1418
1419         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1420
1421         if (mac)
1422                 return sta_info_destroy_addr_bss(sdata, mac);
1423
1424         sta_info_flush(sdata);
1425         return 0;
1426 }
1427
1428 static int ieee80211_change_station(struct wiphy *wiphy,
1429                                     struct net_device *dev, u8 *mac,
1430                                     struct station_parameters *params)
1431 {
1432         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1433         struct ieee80211_local *local = wiphy_priv(wiphy);
1434         struct sta_info *sta;
1435         struct ieee80211_sub_if_data *vlansdata;
1436         enum cfg80211_station_type statype;
1437         int err;
1438
1439         mutex_lock(&local->sta_mtx);
1440
1441         sta = sta_info_get_bss(sdata, mac);
1442         if (!sta) {
1443                 err = -ENOENT;
1444                 goto out_err;
1445         }
1446
1447         switch (sdata->vif.type) {
1448         case NL80211_IFTYPE_MESH_POINT:
1449                 if (sdata->u.mesh.user_mpm)
1450                         statype = CFG80211_STA_MESH_PEER_USER;
1451                 else
1452                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1453                 break;
1454         case NL80211_IFTYPE_ADHOC:
1455                 statype = CFG80211_STA_IBSS;
1456                 break;
1457         case NL80211_IFTYPE_STATION:
1458                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1459                         statype = CFG80211_STA_AP_STA;
1460                         break;
1461                 }
1462                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1463                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1464                 else
1465                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1466                 break;
1467         case NL80211_IFTYPE_AP:
1468         case NL80211_IFTYPE_AP_VLAN:
1469                 statype = CFG80211_STA_AP_CLIENT;
1470                 break;
1471         default:
1472                 err = -EOPNOTSUPP;
1473                 goto out_err;
1474         }
1475
1476         err = cfg80211_check_station_change(wiphy, params, statype);
1477         if (err)
1478                 goto out_err;
1479
1480         if (params->vlan && params->vlan != sta->sdata->dev) {
1481                 bool prev_4addr = false;
1482                 bool new_4addr = false;
1483
1484                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1485
1486                 if (params->vlan->ieee80211_ptr->use_4addr) {
1487                         if (vlansdata->u.vlan.sta) {
1488                                 err = -EBUSY;
1489                                 goto out_err;
1490                         }
1491
1492                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1493                         new_4addr = true;
1494                 }
1495
1496                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1497                     sta->sdata->u.vlan.sta) {
1498                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1499                         prev_4addr = true;
1500                 }
1501
1502                 sta->sdata = vlansdata;
1503
1504                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1505                     prev_4addr != new_4addr) {
1506                         if (new_4addr)
1507                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1508                         else
1509                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1510                 }
1511
1512                 ieee80211_send_layer2_update(sta);
1513         }
1514
1515         err = sta_apply_parameters(local, sta, params);
1516         if (err)
1517                 goto out_err;
1518
1519         /* When peer becomes authorized, init rate control as well */
1520         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1521             test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1522                 rate_control_rate_init(sta);
1523
1524         mutex_unlock(&local->sta_mtx);
1525
1526         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1527             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1528                 ieee80211_recalc_ps(local, -1);
1529                 ieee80211_recalc_ps_vif(sdata);
1530         }
1531
1532         return 0;
1533 out_err:
1534         mutex_unlock(&local->sta_mtx);
1535         return err;
1536 }
1537
1538 #ifdef CONFIG_MAC80211_MESH
1539 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1540                                  u8 *dst, u8 *next_hop)
1541 {
1542         struct ieee80211_sub_if_data *sdata;
1543         struct mesh_path *mpath;
1544         struct sta_info *sta;
1545
1546         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1547
1548         rcu_read_lock();
1549         sta = sta_info_get(sdata, next_hop);
1550         if (!sta) {
1551                 rcu_read_unlock();
1552                 return -ENOENT;
1553         }
1554
1555         mpath = mesh_path_add(sdata, dst);
1556         if (IS_ERR(mpath)) {
1557                 rcu_read_unlock();
1558                 return PTR_ERR(mpath);
1559         }
1560
1561         mesh_path_fix_nexthop(mpath, sta);
1562
1563         rcu_read_unlock();
1564         return 0;
1565 }
1566
1567 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1568                                u8 *dst)
1569 {
1570         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1571
1572         if (dst)
1573                 return mesh_path_del(sdata, dst);
1574
1575         mesh_path_flush_by_iface(sdata);
1576         return 0;
1577 }
1578
1579 static int ieee80211_change_mpath(struct wiphy *wiphy,
1580                                     struct net_device *dev,
1581                                     u8 *dst, u8 *next_hop)
1582 {
1583         struct ieee80211_sub_if_data *sdata;
1584         struct mesh_path *mpath;
1585         struct sta_info *sta;
1586
1587         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1588
1589         rcu_read_lock();
1590
1591         sta = sta_info_get(sdata, next_hop);
1592         if (!sta) {
1593                 rcu_read_unlock();
1594                 return -ENOENT;
1595         }
1596
1597         mpath = mesh_path_lookup(sdata, dst);
1598         if (!mpath) {
1599                 rcu_read_unlock();
1600                 return -ENOENT;
1601         }
1602
1603         mesh_path_fix_nexthop(mpath, sta);
1604
1605         rcu_read_unlock();
1606         return 0;
1607 }
1608
1609 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1610                             struct mpath_info *pinfo)
1611 {
1612         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1613
1614         if (next_hop_sta)
1615                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1616         else
1617                 memset(next_hop, 0, ETH_ALEN);
1618
1619         memset(pinfo, 0, sizeof(*pinfo));
1620
1621         pinfo->generation = mesh_paths_generation;
1622
1623         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1624                         MPATH_INFO_SN |
1625                         MPATH_INFO_METRIC |
1626                         MPATH_INFO_EXPTIME |
1627                         MPATH_INFO_DISCOVERY_TIMEOUT |
1628                         MPATH_INFO_DISCOVERY_RETRIES |
1629                         MPATH_INFO_FLAGS;
1630
1631         pinfo->frame_qlen = mpath->frame_queue.qlen;
1632         pinfo->sn = mpath->sn;
1633         pinfo->metric = mpath->metric;
1634         if (time_before(jiffies, mpath->exp_time))
1635                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1636         pinfo->discovery_timeout =
1637                         jiffies_to_msecs(mpath->discovery_timeout);
1638         pinfo->discovery_retries = mpath->discovery_retries;
1639         if (mpath->flags & MESH_PATH_ACTIVE)
1640                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1641         if (mpath->flags & MESH_PATH_RESOLVING)
1642                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1643         if (mpath->flags & MESH_PATH_SN_VALID)
1644                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1645         if (mpath->flags & MESH_PATH_FIXED)
1646                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1647         if (mpath->flags & MESH_PATH_RESOLVED)
1648                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1649 }
1650
1651 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1652                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1653
1654 {
1655         struct ieee80211_sub_if_data *sdata;
1656         struct mesh_path *mpath;
1657
1658         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1659
1660         rcu_read_lock();
1661         mpath = mesh_path_lookup(sdata, dst);
1662         if (!mpath) {
1663                 rcu_read_unlock();
1664                 return -ENOENT;
1665         }
1666         memcpy(dst, mpath->dst, ETH_ALEN);
1667         mpath_set_pinfo(mpath, next_hop, pinfo);
1668         rcu_read_unlock();
1669         return 0;
1670 }
1671
1672 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1673                                  int idx, u8 *dst, u8 *next_hop,
1674                                  struct mpath_info *pinfo)
1675 {
1676         struct ieee80211_sub_if_data *sdata;
1677         struct mesh_path *mpath;
1678
1679         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1680
1681         rcu_read_lock();
1682         mpath = mesh_path_lookup_by_idx(sdata, idx);
1683         if (!mpath) {
1684                 rcu_read_unlock();
1685                 return -ENOENT;
1686         }
1687         memcpy(dst, mpath->dst, ETH_ALEN);
1688         mpath_set_pinfo(mpath, next_hop, pinfo);
1689         rcu_read_unlock();
1690         return 0;
1691 }
1692
1693 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1694                                 struct net_device *dev,
1695                                 struct mesh_config *conf)
1696 {
1697         struct ieee80211_sub_if_data *sdata;
1698         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1699
1700         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1701         return 0;
1702 }
1703
1704 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1705 {
1706         return (mask >> (parm-1)) & 0x1;
1707 }
1708
1709 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1710                 const struct mesh_setup *setup)
1711 {
1712         u8 *new_ie;
1713         const u8 *old_ie;
1714         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1715                                         struct ieee80211_sub_if_data, u.mesh);
1716
1717         /* allocate information elements */
1718         new_ie = NULL;
1719         old_ie = ifmsh->ie;
1720
1721         if (setup->ie_len) {
1722                 new_ie = kmemdup(setup->ie, setup->ie_len,
1723                                 GFP_KERNEL);
1724                 if (!new_ie)
1725                         return -ENOMEM;
1726         }
1727         ifmsh->ie_len = setup->ie_len;
1728         ifmsh->ie = new_ie;
1729         kfree(old_ie);
1730
1731         /* now copy the rest of the setup parameters */
1732         ifmsh->mesh_id_len = setup->mesh_id_len;
1733         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1734         ifmsh->mesh_sp_id = setup->sync_method;
1735         ifmsh->mesh_pp_id = setup->path_sel_proto;
1736         ifmsh->mesh_pm_id = setup->path_metric;
1737         ifmsh->user_mpm = setup->user_mpm;
1738         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1739         if (setup->is_authenticated)
1740                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1741         if (setup->is_secure)
1742                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1743
1744         /* mcast rate setting in Mesh Node */
1745         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1746                                                 sizeof(setup->mcast_rate));
1747
1748         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1749         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1750
1751         return 0;
1752 }
1753
1754 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1755                                         struct net_device *dev, u32 mask,
1756                                         const struct mesh_config *nconf)
1757 {
1758         struct mesh_config *conf;
1759         struct ieee80211_sub_if_data *sdata;
1760         struct ieee80211_if_mesh *ifmsh;
1761
1762         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1763         ifmsh = &sdata->u.mesh;
1764
1765         /* Set the config options which we are interested in setting */
1766         conf = &(sdata->u.mesh.mshcfg);
1767         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1768                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1769         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1770                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1771         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1772                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1773         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1774                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1775         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1776                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1777         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1778                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1779         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1780                 conf->element_ttl = nconf->element_ttl;
1781         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1782                 if (ifmsh->user_mpm)
1783                         return -EBUSY;
1784                 conf->auto_open_plinks = nconf->auto_open_plinks;
1785         }
1786         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1787                 conf->dot11MeshNbrOffsetMaxNeighbor =
1788                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1789         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1790                 conf->dot11MeshHWMPmaxPREQretries =
1791                         nconf->dot11MeshHWMPmaxPREQretries;
1792         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1793                 conf->path_refresh_time = nconf->path_refresh_time;
1794         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1795                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1796         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1797                 conf->dot11MeshHWMPactivePathTimeout =
1798                         nconf->dot11MeshHWMPactivePathTimeout;
1799         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1800                 conf->dot11MeshHWMPpreqMinInterval =
1801                         nconf->dot11MeshHWMPpreqMinInterval;
1802         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1803                 conf->dot11MeshHWMPperrMinInterval =
1804                         nconf->dot11MeshHWMPperrMinInterval;
1805         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1806                            mask))
1807                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1808                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1809         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1810                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1811                 ieee80211_mesh_root_setup(ifmsh);
1812         }
1813         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1814                 /* our current gate announcement implementation rides on root
1815                  * announcements, so require this ifmsh to also be a root node
1816                  * */
1817                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1818                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1819                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1820                         ieee80211_mesh_root_setup(ifmsh);
1821                 }
1822                 conf->dot11MeshGateAnnouncementProtocol =
1823                         nconf->dot11MeshGateAnnouncementProtocol;
1824         }
1825         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1826                 conf->dot11MeshHWMPRannInterval =
1827                         nconf->dot11MeshHWMPRannInterval;
1828         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1829                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1830         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1831                 /* our RSSI threshold implementation is supported only for
1832                  * devices that report signal in dBm.
1833                  */
1834                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1835                         return -ENOTSUPP;
1836                 conf->rssi_threshold = nconf->rssi_threshold;
1837         }
1838         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1839                 conf->ht_opmode = nconf->ht_opmode;
1840                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1841                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1842         }
1843         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1844                 conf->dot11MeshHWMPactivePathToRootTimeout =
1845                         nconf->dot11MeshHWMPactivePathToRootTimeout;
1846         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1847                 conf->dot11MeshHWMProotInterval =
1848                         nconf->dot11MeshHWMProotInterval;
1849         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1850                 conf->dot11MeshHWMPconfirmationInterval =
1851                         nconf->dot11MeshHWMPconfirmationInterval;
1852         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1853                 conf->power_mode = nconf->power_mode;
1854                 ieee80211_mps_local_status_update(sdata);
1855         }
1856         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1857                 conf->dot11MeshAwakeWindowDuration =
1858                         nconf->dot11MeshAwakeWindowDuration;
1859         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1860         return 0;
1861 }
1862
1863 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1864                                const struct mesh_config *conf,
1865                                const struct mesh_setup *setup)
1866 {
1867         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1869         int err;
1870
1871         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1872         err = copy_mesh_setup(ifmsh, setup);
1873         if (err)
1874                 return err;
1875
1876         /* can mesh use other SMPS modes? */
1877         sdata->smps_mode = IEEE80211_SMPS_OFF;
1878         sdata->needed_rx_chains = sdata->local->rx_chains;
1879
1880         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1881                                         IEEE80211_CHANCTX_SHARED);
1882         if (err)
1883                 return err;
1884
1885         return ieee80211_start_mesh(sdata);
1886 }
1887
1888 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1889 {
1890         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1891
1892         ieee80211_stop_mesh(sdata);
1893         ieee80211_vif_release_channel(sdata);
1894
1895         return 0;
1896 }
1897 #endif
1898
1899 static int ieee80211_change_bss(struct wiphy *wiphy,
1900                                 struct net_device *dev,
1901                                 struct bss_parameters *params)
1902 {
1903         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1904         enum ieee80211_band band;
1905         u32 changed = 0;
1906
1907         if (!rtnl_dereference(sdata->u.ap.beacon))
1908                 return -ENOENT;
1909
1910         band = ieee80211_get_sdata_band(sdata);
1911
1912         if (params->use_cts_prot >= 0) {
1913                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1914                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1915         }
1916         if (params->use_short_preamble >= 0) {
1917                 sdata->vif.bss_conf.use_short_preamble =
1918                         params->use_short_preamble;
1919                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1920         }
1921
1922         if (!sdata->vif.bss_conf.use_short_slot &&
1923             band == IEEE80211_BAND_5GHZ) {
1924                 sdata->vif.bss_conf.use_short_slot = true;
1925                 changed |= BSS_CHANGED_ERP_SLOT;
1926         }
1927
1928         if (params->use_short_slot_time >= 0) {
1929                 sdata->vif.bss_conf.use_short_slot =
1930                         params->use_short_slot_time;
1931                 changed |= BSS_CHANGED_ERP_SLOT;
1932         }
1933
1934         if (params->basic_rates) {
1935                 int i, j;
1936                 u32 rates = 0;
1937                 struct ieee80211_supported_band *sband = wiphy->bands[band];
1938
1939                 for (i = 0; i < params->basic_rates_len; i++) {
1940                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1941                         for (j = 0; j < sband->n_bitrates; j++) {
1942                                 if (sband->bitrates[j].bitrate == rate)
1943                                         rates |= BIT(j);
1944                         }
1945                 }
1946                 sdata->vif.bss_conf.basic_rates = rates;
1947                 changed |= BSS_CHANGED_BASIC_RATES;
1948         }
1949
1950         if (params->ap_isolate >= 0) {
1951                 if (params->ap_isolate)
1952                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1953                 else
1954                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1955         }
1956
1957         if (params->ht_opmode >= 0) {
1958                 sdata->vif.bss_conf.ht_operation_mode =
1959                         (u16) params->ht_opmode;
1960                 changed |= BSS_CHANGED_HT;
1961         }
1962
1963         if (params->p2p_ctwindow >= 0) {
1964                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1965                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1966                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1967                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1968                 changed |= BSS_CHANGED_P2P_PS;
1969         }
1970
1971         if (params->p2p_opp_ps > 0) {
1972                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1973                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1974                 changed |= BSS_CHANGED_P2P_PS;
1975         } else if (params->p2p_opp_ps == 0) {
1976                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1977                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
1978                 changed |= BSS_CHANGED_P2P_PS;
1979         }
1980
1981         ieee80211_bss_info_change_notify(sdata, changed);
1982
1983         return 0;
1984 }
1985
1986 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1987                                     struct net_device *dev,
1988                                     struct ieee80211_txq_params *params)
1989 {
1990         struct ieee80211_local *local = wiphy_priv(wiphy);
1991         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1992         struct ieee80211_tx_queue_params p;
1993
1994         if (!local->ops->conf_tx)
1995                 return -EOPNOTSUPP;
1996
1997         if (local->hw.queues < IEEE80211_NUM_ACS)
1998                 return -EOPNOTSUPP;
1999
2000         memset(&p, 0, sizeof(p));
2001         p.aifs = params->aifs;
2002         p.cw_max = params->cwmax;
2003         p.cw_min = params->cwmin;
2004         p.txop = params->txop;
2005
2006         /*
2007          * Setting tx queue params disables u-apsd because it's only
2008          * called in master mode.
2009          */
2010         p.uapsd = false;
2011
2012         sdata->tx_conf[params->ac] = p;
2013         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2014                 wiphy_debug(local->hw.wiphy,
2015                             "failed to set TX queue parameters for AC %d\n",
2016                             params->ac);
2017                 return -EINVAL;
2018         }
2019
2020         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2021
2022         return 0;
2023 }
2024
2025 #ifdef CONFIG_PM
2026 static int ieee80211_suspend(struct wiphy *wiphy,
2027                              struct cfg80211_wowlan *wowlan)
2028 {
2029         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2030 }
2031
2032 static int ieee80211_resume(struct wiphy *wiphy)
2033 {
2034         return __ieee80211_resume(wiphy_priv(wiphy));
2035 }
2036 #else
2037 #define ieee80211_suspend NULL
2038 #define ieee80211_resume NULL
2039 #endif
2040
2041 static int ieee80211_scan(struct wiphy *wiphy,
2042                           struct cfg80211_scan_request *req)
2043 {
2044         struct ieee80211_sub_if_data *sdata;
2045
2046         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2047
2048         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2049         case NL80211_IFTYPE_STATION:
2050         case NL80211_IFTYPE_ADHOC:
2051         case NL80211_IFTYPE_MESH_POINT:
2052         case NL80211_IFTYPE_P2P_CLIENT:
2053         case NL80211_IFTYPE_P2P_DEVICE:
2054                 break;
2055         case NL80211_IFTYPE_P2P_GO:
2056                 if (sdata->local->ops->hw_scan)
2057                         break;
2058                 /*
2059                  * FIXME: implement NoA while scanning in software,
2060                  * for now fall through to allow scanning only when
2061                  * beaconing hasn't been configured yet
2062                  */
2063         case NL80211_IFTYPE_AP:
2064                 /*
2065                  * If the scan has been forced (and the driver supports
2066                  * forcing), don't care about being beaconing already.
2067                  * This will create problems to the attached stations (e.g. all
2068                  * the  frames sent while scanning on other channel will be
2069                  * lost)
2070                  */
2071                 if (sdata->u.ap.beacon &&
2072                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2073                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2074                         return -EOPNOTSUPP;
2075                 break;
2076         default:
2077                 return -EOPNOTSUPP;
2078         }
2079
2080         return ieee80211_request_scan(sdata, req);
2081 }
2082
2083 static int
2084 ieee80211_sched_scan_start(struct wiphy *wiphy,
2085                            struct net_device *dev,
2086                            struct cfg80211_sched_scan_request *req)
2087 {
2088         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2089
2090         if (!sdata->local->ops->sched_scan_start)
2091                 return -EOPNOTSUPP;
2092
2093         return ieee80211_request_sched_scan_start(sdata, req);
2094 }
2095
2096 static int
2097 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2098 {
2099         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2100
2101         if (!sdata->local->ops->sched_scan_stop)
2102                 return -EOPNOTSUPP;
2103
2104         return ieee80211_request_sched_scan_stop(sdata);
2105 }
2106
2107 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2108                           struct cfg80211_auth_request *req)
2109 {
2110         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2111 }
2112
2113 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2114                            struct cfg80211_assoc_request *req)
2115 {
2116         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2117 }
2118
2119 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2120                             struct cfg80211_deauth_request *req)
2121 {
2122         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2123 }
2124
2125 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2126                               struct cfg80211_disassoc_request *req)
2127 {
2128         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2129 }
2130
2131 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2132                                struct cfg80211_ibss_params *params)
2133 {
2134         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2135 }
2136
2137 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2138 {
2139         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2140 }
2141
2142 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2143                                     int rate[IEEE80211_NUM_BANDS])
2144 {
2145         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2146
2147         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2148                sizeof(int) * IEEE80211_NUM_BANDS);
2149
2150         return 0;
2151 }
2152
2153 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2154 {
2155         struct ieee80211_local *local = wiphy_priv(wiphy);
2156         int err;
2157
2158         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2159                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2160
2161                 if (err)
2162                         return err;
2163         }
2164
2165         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2166                 err = drv_set_coverage_class(local, wiphy->coverage_class);
2167
2168                 if (err)
2169                         return err;
2170         }
2171
2172         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2173                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2174
2175                 if (err)
2176                         return err;
2177         }
2178
2179         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2180                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2181                         return -EINVAL;
2182                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2183         }
2184         if (changed & WIPHY_PARAM_RETRY_LONG) {
2185                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2186                         return -EINVAL;
2187                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2188         }
2189         if (changed &
2190             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2191                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2192
2193         return 0;
2194 }
2195
2196 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2197                                   struct wireless_dev *wdev,
2198                                   enum nl80211_tx_power_setting type, int mbm)
2199 {
2200         struct ieee80211_local *local = wiphy_priv(wiphy);
2201         struct ieee80211_sub_if_data *sdata;
2202
2203         if (wdev) {
2204                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2205
2206                 switch (type) {
2207                 case NL80211_TX_POWER_AUTOMATIC:
2208                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2209                         break;
2210                 case NL80211_TX_POWER_LIMITED:
2211                 case NL80211_TX_POWER_FIXED:
2212                         if (mbm < 0 || (mbm % 100))
2213                                 return -EOPNOTSUPP;
2214                         sdata->user_power_level = MBM_TO_DBM(mbm);
2215                         break;
2216                 }
2217
2218                 ieee80211_recalc_txpower(sdata);
2219
2220                 return 0;
2221         }
2222
2223         switch (type) {
2224         case NL80211_TX_POWER_AUTOMATIC:
2225                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2226                 break;
2227         case NL80211_TX_POWER_LIMITED:
2228         case NL80211_TX_POWER_FIXED:
2229                 if (mbm < 0 || (mbm % 100))
2230                         return -EOPNOTSUPP;
2231                 local->user_power_level = MBM_TO_DBM(mbm);
2232                 break;
2233         }
2234
2235         mutex_lock(&local->iflist_mtx);
2236         list_for_each_entry(sdata, &local->interfaces, list)
2237                 sdata->user_power_level = local->user_power_level;
2238         list_for_each_entry(sdata, &local->interfaces, list)
2239                 ieee80211_recalc_txpower(sdata);
2240         mutex_unlock(&local->iflist_mtx);
2241
2242         return 0;
2243 }
2244
2245 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2246                                   struct wireless_dev *wdev,
2247                                   int *dbm)
2248 {
2249         struct ieee80211_local *local = wiphy_priv(wiphy);
2250         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2251
2252         if (!local->use_chanctx)
2253                 *dbm = local->hw.conf.power_level;
2254         else
2255                 *dbm = sdata->vif.bss_conf.txpower;
2256
2257         return 0;
2258 }
2259
2260 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2261                                   const u8 *addr)
2262 {
2263         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2264
2265         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2266
2267         return 0;
2268 }
2269
2270 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2271 {
2272         struct ieee80211_local *local = wiphy_priv(wiphy);
2273
2274         drv_rfkill_poll(local);
2275 }
2276
2277 #ifdef CONFIG_NL80211_TESTMODE
2278 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2279 {
2280         struct ieee80211_local *local = wiphy_priv(wiphy);
2281
2282         if (!local->ops->testmode_cmd)
2283                 return -EOPNOTSUPP;
2284
2285         return local->ops->testmode_cmd(&local->hw, data, len);
2286 }
2287
2288 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2289                                    struct sk_buff *skb,
2290                                    struct netlink_callback *cb,
2291                                    void *data, int len)
2292 {
2293         struct ieee80211_local *local = wiphy_priv(wiphy);
2294
2295         if (!local->ops->testmode_dump)
2296                 return -EOPNOTSUPP;
2297
2298         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2299 }
2300 #endif
2301
2302 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2303                              enum ieee80211_smps_mode smps_mode)
2304 {
2305         const u8 *ap;
2306         enum ieee80211_smps_mode old_req;
2307         int err;
2308
2309         lockdep_assert_held(&sdata->u.mgd.mtx);
2310
2311         old_req = sdata->u.mgd.req_smps;
2312         sdata->u.mgd.req_smps = smps_mode;
2313
2314         if (old_req == smps_mode &&
2315             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2316                 return 0;
2317
2318         /*
2319          * If not associated, or current association is not an HT
2320          * association, there's no need to do anything, just store
2321          * the new value until we associate.
2322          */
2323         if (!sdata->u.mgd.associated ||
2324             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2325                 return 0;
2326
2327         ap = sdata->u.mgd.associated->bssid;
2328
2329         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2330                 if (sdata->u.mgd.powersave)
2331                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2332                 else
2333                         smps_mode = IEEE80211_SMPS_OFF;
2334         }
2335
2336         /* send SM PS frame to AP */
2337         err = ieee80211_send_smps_action(sdata, smps_mode,
2338                                          ap, ap);
2339         if (err)
2340                 sdata->u.mgd.req_smps = old_req;
2341
2342         return err;
2343 }
2344
2345 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2346                                     bool enabled, int timeout)
2347 {
2348         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2349         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2350
2351         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2352             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2353                 return -EOPNOTSUPP;
2354
2355         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2356                 return -EOPNOTSUPP;
2357
2358         if (enabled == sdata->u.mgd.powersave &&
2359             timeout == local->dynamic_ps_forced_timeout)
2360                 return 0;
2361
2362         sdata->u.mgd.powersave = enabled;
2363         local->dynamic_ps_forced_timeout = timeout;
2364
2365         /* no change, but if automatic follow powersave */
2366         mutex_lock(&sdata->u.mgd.mtx);
2367         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2368         mutex_unlock(&sdata->u.mgd.mtx);
2369
2370         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2371                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2372
2373         ieee80211_recalc_ps(local, -1);
2374         ieee80211_recalc_ps_vif(sdata);
2375
2376         return 0;
2377 }
2378
2379 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2380                                          struct net_device *dev,
2381                                          s32 rssi_thold, u32 rssi_hyst)
2382 {
2383         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2384         struct ieee80211_vif *vif = &sdata->vif;
2385         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2386
2387         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2388             rssi_hyst == bss_conf->cqm_rssi_hyst)
2389                 return 0;
2390
2391         bss_conf->cqm_rssi_thold = rssi_thold;
2392         bss_conf->cqm_rssi_hyst = rssi_hyst;
2393
2394         /* tell the driver upon association, unless already associated */
2395         if (sdata->u.mgd.associated &&
2396             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2397                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2398
2399         return 0;
2400 }
2401
2402 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2403                                       struct net_device *dev,
2404                                       const u8 *addr,
2405                                       const struct cfg80211_bitrate_mask *mask)
2406 {
2407         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2408         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2409         int i, ret;
2410
2411         if (!ieee80211_sdata_running(sdata))
2412                 return -ENETDOWN;
2413
2414         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2415                 ret = drv_set_bitrate_mask(local, sdata, mask);
2416                 if (ret)
2417                         return ret;
2418         }
2419
2420         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2421                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2422                 int j;
2423
2424                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2425                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2426                        sizeof(mask->control[i].mcs));
2427
2428                 sdata->rc_has_mcs_mask[i] = false;
2429                 if (!sband)
2430                         continue;
2431
2432                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2433                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2434                                 sdata->rc_has_mcs_mask[i] = true;
2435                                 break;
2436                         }
2437         }
2438
2439         return 0;
2440 }
2441
2442 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2443                                     struct ieee80211_sub_if_data *sdata,
2444                                     struct ieee80211_channel *channel,
2445                                     unsigned int duration, u64 *cookie,
2446                                     struct sk_buff *txskb,
2447                                     enum ieee80211_roc_type type)
2448 {
2449         struct ieee80211_roc_work *roc, *tmp;
2450         bool queued = false;
2451         int ret;
2452
2453         lockdep_assert_held(&local->mtx);
2454
2455         if (local->use_chanctx && !local->ops->remain_on_channel)
2456                 return -EOPNOTSUPP;
2457
2458         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2459         if (!roc)
2460                 return -ENOMEM;
2461
2462         roc->chan = channel;
2463         roc->duration = duration;
2464         roc->req_duration = duration;
2465         roc->frame = txskb;
2466         roc->type = type;
2467         roc->mgmt_tx_cookie = (unsigned long)txskb;
2468         roc->sdata = sdata;
2469         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2470         INIT_LIST_HEAD(&roc->dependents);
2471
2472         /* if there's one pending or we're scanning, queue this one */
2473         if (!list_empty(&local->roc_list) ||
2474             local->scanning || local->radar_detect_enabled)
2475                 goto out_check_combine;
2476
2477         /* if not HW assist, just queue & schedule work */
2478         if (!local->ops->remain_on_channel) {
2479                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2480                 goto out_queue;
2481         }
2482
2483         /* otherwise actually kick it off here (for error handling) */
2484
2485         /*
2486          * If the duration is zero, then the driver
2487          * wouldn't actually do anything. Set it to
2488          * 10 for now.
2489          *
2490          * TODO: cancel the off-channel operation
2491          *       when we get the SKB's TX status and
2492          *       the wait time was zero before.
2493          */
2494         if (!duration)
2495                 duration = 10;
2496
2497         ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2498         if (ret) {
2499                 kfree(roc);
2500                 return ret;
2501         }
2502
2503         roc->started = true;
2504         goto out_queue;
2505
2506  out_check_combine:
2507         list_for_each_entry(tmp, &local->roc_list, list) {
2508                 if (tmp->chan != channel || tmp->sdata != sdata)
2509                         continue;
2510
2511                 /*
2512                  * Extend this ROC if possible:
2513                  *
2514                  * If it hasn't started yet, just increase the duration
2515                  * and add the new one to the list of dependents.
2516                  * If the type of the new ROC has higher priority, modify the
2517                  * type of the previous one to match that of the new one.
2518                  */
2519                 if (!tmp->started) {
2520                         list_add_tail(&roc->list, &tmp->dependents);
2521                         tmp->duration = max(tmp->duration, roc->duration);
2522                         tmp->type = max(tmp->type, roc->type);
2523                         queued = true;
2524                         break;
2525                 }
2526
2527                 /* If it has already started, it's more difficult ... */
2528                 if (local->ops->remain_on_channel) {
2529                         unsigned long j = jiffies;
2530
2531                         /*
2532                          * In the offloaded ROC case, if it hasn't begun, add
2533                          * this new one to the dependent list to be handled
2534                          * when the master one begins. If it has begun,
2535                          * check that there's still a minimum time left and
2536                          * if so, start this one, transmitting the frame, but
2537                          * add it to the list directly after this one with
2538                          * a reduced time so we'll ask the driver to execute
2539                          * it right after finishing the previous one, in the
2540                          * hope that it'll also be executed right afterwards,
2541                          * effectively extending the old one.
2542                          * If there's no minimum time left, just add it to the
2543                          * normal list.
2544                          * TODO: the ROC type is ignored here, assuming that it
2545                          * is better to immediately use the current ROC.
2546                          */
2547                         if (!tmp->hw_begun) {
2548                                 list_add_tail(&roc->list, &tmp->dependents);
2549                                 queued = true;
2550                                 break;
2551                         }
2552
2553                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2554                                         tmp->hw_start_time +
2555                                         msecs_to_jiffies(tmp->duration))) {
2556                                 int new_dur;
2557
2558                                 ieee80211_handle_roc_started(roc);
2559
2560                                 new_dur = roc->duration -
2561                                           jiffies_to_msecs(tmp->hw_start_time +
2562                                                            msecs_to_jiffies(
2563                                                                 tmp->duration) -
2564                                                            j);
2565
2566                                 if (new_dur > 0) {
2567                                         /* add right after tmp */
2568                                         list_add(&roc->list, &tmp->list);
2569                                 } else {
2570                                         list_add_tail(&roc->list,
2571                                                       &tmp->dependents);
2572                                 }
2573                                 queued = true;
2574                         }
2575                 } else if (del_timer_sync(&tmp->work.timer)) {
2576                         unsigned long new_end;
2577
2578                         /*
2579                          * In the software ROC case, cancel the timer, if
2580                          * that fails then the finish work is already
2581                          * queued/pending and thus we queue the new ROC
2582                          * normally, if that succeeds then we can extend
2583                          * the timer duration and TX the frame (if any.)
2584                          */
2585
2586                         list_add_tail(&roc->list, &tmp->dependents);
2587                         queued = true;
2588
2589                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2590
2591                         /* ok, it was started & we canceled timer */
2592                         if (time_after(new_end, tmp->work.timer.expires))
2593                                 mod_timer(&tmp->work.timer, new_end);
2594                         else
2595                                 add_timer(&tmp->work.timer);
2596
2597                         ieee80211_handle_roc_started(roc);
2598                 }
2599                 break;
2600         }
2601
2602  out_queue:
2603         if (!queued)
2604                 list_add_tail(&roc->list, &local->roc_list);
2605
2606         /*
2607          * cookie is either the roc cookie (for normal roc)
2608          * or the SKB (for mgmt TX)
2609          */
2610         if (!txskb) {
2611                 /* local->mtx protects this */
2612                 local->roc_cookie_counter++;
2613                 roc->cookie = local->roc_cookie_counter;
2614                 /* wow, you wrapped 64 bits ... more likely a bug */
2615                 if (WARN_ON(roc->cookie == 0)) {
2616                         roc->cookie = 1;
2617                         local->roc_cookie_counter++;
2618                 }
2619                 *cookie = roc->cookie;
2620         } else {
2621                 *cookie = (unsigned long)txskb;
2622         }
2623
2624         return 0;
2625 }
2626
2627 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2628                                        struct wireless_dev *wdev,
2629                                        struct ieee80211_channel *chan,
2630                                        unsigned int duration,
2631                                        u64 *cookie)
2632 {
2633         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2634         struct ieee80211_local *local = sdata->local;
2635         int ret;
2636
2637         mutex_lock(&local->mtx);
2638         ret = ieee80211_start_roc_work(local, sdata, chan,
2639                                        duration, cookie, NULL,
2640                                        IEEE80211_ROC_TYPE_NORMAL);
2641         mutex_unlock(&local->mtx);
2642
2643         return ret;
2644 }
2645
2646 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2647                                 u64 cookie, bool mgmt_tx)
2648 {
2649         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2650         int ret;
2651
2652         mutex_lock(&local->mtx);
2653         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2654                 struct ieee80211_roc_work *dep, *tmp2;
2655
2656                 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2657                         if (!mgmt_tx && dep->cookie != cookie)
2658                                 continue;
2659                         else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2660                                 continue;
2661                         /* found dependent item -- just remove it */
2662                         list_del(&dep->list);
2663                         mutex_unlock(&local->mtx);
2664
2665                         ieee80211_roc_notify_destroy(dep, true);
2666                         return 0;
2667                 }
2668
2669                 if (!mgmt_tx && roc->cookie != cookie)
2670                         continue;
2671                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2672                         continue;
2673
2674                 found = roc;
2675                 break;
2676         }
2677
2678         if (!found) {
2679                 mutex_unlock(&local->mtx);
2680                 return -ENOENT;
2681         }
2682
2683         /*
2684          * We found the item to cancel, so do that. Note that it
2685          * may have dependents, which we also cancel (and send
2686          * the expired signal for.) Not doing so would be quite
2687          * tricky here, but we may need to fix it later.
2688          */
2689
2690         if (local->ops->remain_on_channel) {
2691                 if (found->started) {
2692                         ret = drv_cancel_remain_on_channel(local);
2693                         if (WARN_ON_ONCE(ret)) {
2694                                 mutex_unlock(&local->mtx);
2695                                 return ret;
2696                         }
2697                 }
2698
2699                 list_del(&found->list);
2700
2701                 if (found->started)
2702                         ieee80211_start_next_roc(local);
2703                 mutex_unlock(&local->mtx);
2704
2705                 ieee80211_roc_notify_destroy(found, true);
2706         } else {
2707                 /* work may be pending so use it all the time */
2708                 found->abort = true;
2709                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2710
2711                 mutex_unlock(&local->mtx);
2712
2713                 /* work will clean up etc */
2714                 flush_delayed_work(&found->work);
2715                 WARN_ON(!found->to_be_freed);
2716                 kfree(found);
2717         }
2718
2719         return 0;
2720 }
2721
2722 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2723                                               struct wireless_dev *wdev,
2724                                               u64 cookie)
2725 {
2726         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2727         struct ieee80211_local *local = sdata->local;
2728
2729         return ieee80211_cancel_roc(local, cookie, false);
2730 }
2731
2732 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2733                                            struct net_device *dev,
2734                                            struct cfg80211_chan_def *chandef)
2735 {
2736         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2737         struct ieee80211_local *local = sdata->local;
2738         unsigned long timeout;
2739         int err;
2740
2741         if (!list_empty(&local->roc_list) || local->scanning)
2742                 return -EBUSY;
2743
2744         /* whatever, but channel contexts should not complain about that one */
2745         sdata->smps_mode = IEEE80211_SMPS_OFF;
2746         sdata->needed_rx_chains = local->rx_chains;
2747         sdata->radar_required = true;
2748
2749         mutex_lock(&local->iflist_mtx);
2750         err = ieee80211_vif_use_channel(sdata, chandef,
2751                                         IEEE80211_CHANCTX_SHARED);
2752         mutex_unlock(&local->iflist_mtx);
2753         if (err)
2754                 return err;
2755
2756         timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2757         ieee80211_queue_delayed_work(&sdata->local->hw,
2758                                      &sdata->dfs_cac_timer_work, timeout);
2759
2760         return 0;
2761 }
2762
2763 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2764                              struct ieee80211_channel *chan, bool offchan,
2765                              unsigned int wait, const u8 *buf, size_t len,
2766                              bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2767 {
2768         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2769         struct ieee80211_local *local = sdata->local;
2770         struct sk_buff *skb;
2771         struct sta_info *sta;
2772         const struct ieee80211_mgmt *mgmt = (void *)buf;
2773         bool need_offchan = false;
2774         u32 flags;
2775         int ret;
2776
2777         if (dont_wait_for_ack)
2778                 flags = IEEE80211_TX_CTL_NO_ACK;
2779         else
2780                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2781                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2782
2783         if (no_cck)
2784                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2785
2786         switch (sdata->vif.type) {
2787         case NL80211_IFTYPE_ADHOC:
2788                 if (!sdata->vif.bss_conf.ibss_joined)
2789                         need_offchan = true;
2790                 /* fall through */
2791 #ifdef CONFIG_MAC80211_MESH
2792         case NL80211_IFTYPE_MESH_POINT:
2793                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2794                     !sdata->u.mesh.mesh_id_len)
2795                         need_offchan = true;
2796                 /* fall through */
2797 #endif
2798         case NL80211_IFTYPE_AP:
2799         case NL80211_IFTYPE_AP_VLAN:
2800         case NL80211_IFTYPE_P2P_GO:
2801                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2802                     !ieee80211_vif_is_mesh(&sdata->vif) &&
2803                     !rcu_access_pointer(sdata->bss->beacon))
2804                         need_offchan = true;
2805                 if (!ieee80211_is_action(mgmt->frame_control) ||
2806                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2807                         break;
2808                 rcu_read_lock();
2809                 sta = sta_info_get(sdata, mgmt->da);
2810                 rcu_read_unlock();
2811                 if (!sta)
2812                         return -ENOLINK;
2813                 break;
2814         case NL80211_IFTYPE_STATION:
2815         case NL80211_IFTYPE_P2P_CLIENT:
2816                 if (!sdata->u.mgd.associated)
2817                         need_offchan = true;
2818                 break;
2819         case NL80211_IFTYPE_P2P_DEVICE:
2820                 need_offchan = true;
2821                 break;
2822         default:
2823                 return -EOPNOTSUPP;
2824         }
2825
2826         mutex_lock(&local->mtx);
2827
2828         /* Check if the operating channel is the requested channel */
2829         if (!need_offchan) {
2830                 struct ieee80211_chanctx_conf *chanctx_conf;
2831
2832                 rcu_read_lock();
2833                 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2834
2835                 if (chanctx_conf)
2836                         need_offchan = chan != chanctx_conf->def.chan;
2837                 else
2838                         need_offchan = true;
2839                 rcu_read_unlock();
2840         }
2841
2842         if (need_offchan && !offchan) {
2843                 ret = -EBUSY;
2844                 goto out_unlock;
2845         }
2846
2847         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2848         if (!skb) {
2849                 ret = -ENOMEM;
2850                 goto out_unlock;
2851         }
2852         skb_reserve(skb, local->hw.extra_tx_headroom);
2853
2854         memcpy(skb_put(skb, len), buf, len);
2855
2856         IEEE80211_SKB_CB(skb)->flags = flags;
2857
2858         skb->dev = sdata->dev;
2859
2860         if (!need_offchan) {
2861                 *cookie = (unsigned long) skb;
2862                 ieee80211_tx_skb(sdata, skb);
2863                 ret = 0;
2864                 goto out_unlock;
2865         }
2866
2867         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2868                                         IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2869         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2870                 IEEE80211_SKB_CB(skb)->hw_queue =
2871                         local->hw.offchannel_tx_hw_queue;
2872
2873         /* This will handle all kinds of coalescing and immediate TX */
2874         ret = ieee80211_start_roc_work(local, sdata, chan,
2875                                        wait, cookie, skb,
2876                                        IEEE80211_ROC_TYPE_MGMT_TX);
2877         if (ret)
2878                 kfree_skb(skb);
2879  out_unlock:
2880         mutex_unlock(&local->mtx);
2881         return ret;
2882 }
2883
2884 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2885                                          struct wireless_dev *wdev,
2886                                          u64 cookie)
2887 {
2888         struct ieee80211_local *local = wiphy_priv(wiphy);
2889
2890         return ieee80211_cancel_roc(local, cookie, true);
2891 }
2892
2893 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2894                                           struct wireless_dev *wdev,
2895                                           u16 frame_type, bool reg)
2896 {
2897         struct ieee80211_local *local = wiphy_priv(wiphy);
2898         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2899
2900         switch (frame_type) {
2901         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2902                 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2903                         struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2904
2905                         if (reg)
2906                                 ifibss->auth_frame_registrations++;
2907                         else
2908                                 ifibss->auth_frame_registrations--;
2909                 }
2910                 break;
2911         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2912                 if (reg)
2913                         local->probe_req_reg++;
2914                 else
2915                         local->probe_req_reg--;
2916
2917                 if (!local->open_count)
2918                         break;
2919
2920                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2921                 break;
2922         default:
2923                 break;
2924         }
2925 }
2926
2927 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2928 {
2929         struct ieee80211_local *local = wiphy_priv(wiphy);
2930
2931         if (local->started)
2932                 return -EOPNOTSUPP;
2933
2934         return drv_set_antenna(local, tx_ant, rx_ant);
2935 }
2936
2937 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2938 {
2939         struct ieee80211_local *local = wiphy_priv(wiphy);
2940
2941         return drv_get_antenna(local, tx_ant, rx_ant);
2942 }
2943
2944 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2945 {
2946         struct ieee80211_local *local = wiphy_priv(wiphy);
2947
2948         return drv_set_ringparam(local, tx, rx);
2949 }
2950
2951 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2952                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2953 {
2954         struct ieee80211_local *local = wiphy_priv(wiphy);
2955
2956         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2957 }
2958
2959 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2960                                     struct net_device *dev,
2961                                     struct cfg80211_gtk_rekey_data *data)
2962 {
2963         struct ieee80211_local *local = wiphy_priv(wiphy);
2964         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2965
2966         if (!local->ops->set_rekey_data)
2967                 return -EOPNOTSUPP;
2968
2969         drv_set_rekey_data(local, sdata, data);
2970
2971         return 0;
2972 }
2973
2974 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2975 {
2976         u8 *pos = (void *)skb_put(skb, 7);
2977
2978         *pos++ = WLAN_EID_EXT_CAPABILITY;
2979         *pos++ = 5; /* len */
2980         *pos++ = 0x0;
2981         *pos++ = 0x0;
2982         *pos++ = 0x0;
2983         *pos++ = 0x0;
2984         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2985 }
2986
2987 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2988 {
2989         struct ieee80211_local *local = sdata->local;
2990         u16 capab;
2991
2992         capab = 0;
2993         if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
2994                 return capab;
2995
2996         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2997                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2998         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2999                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3000
3001         return capab;
3002 }
3003
3004 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3005                                        u8 *peer, u8 *bssid)
3006 {
3007         struct ieee80211_tdls_lnkie *lnkid;
3008
3009         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3010
3011         lnkid->ie_type = WLAN_EID_LINK_ID;
3012         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3013
3014         memcpy(lnkid->bssid, bssid, ETH_ALEN);
3015         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3016         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3017 }
3018
3019 static int
3020 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3021                                u8 *peer, u8 action_code, u8 dialog_token,
3022                                u16 status_code, struct sk_buff *skb)
3023 {
3024         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3025         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3026         struct ieee80211_tdls_data *tf;
3027
3028         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3029
3030         memcpy(tf->da, peer, ETH_ALEN);
3031         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3032         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3033         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3034
3035         switch (action_code) {
3036         case WLAN_TDLS_SETUP_REQUEST:
3037                 tf->category = WLAN_CATEGORY_TDLS;
3038                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3039
3040                 skb_put(skb, sizeof(tf->u.setup_req));
3041                 tf->u.setup_req.dialog_token = dialog_token;
3042                 tf->u.setup_req.capability =
3043                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3044
3045                 ieee80211_add_srates_ie(sdata, skb, false, band);
3046                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3047                 ieee80211_tdls_add_ext_capab(skb);
3048                 break;
3049         case WLAN_TDLS_SETUP_RESPONSE:
3050                 tf->category = WLAN_CATEGORY_TDLS;
3051                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3052
3053                 skb_put(skb, sizeof(tf->u.setup_resp));
3054                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3055                 tf->u.setup_resp.dialog_token = dialog_token;
3056                 tf->u.setup_resp.capability =
3057                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3058
3059                 ieee80211_add_srates_ie(sdata, skb, false, band);
3060                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3061                 ieee80211_tdls_add_ext_capab(skb);
3062                 break;
3063         case WLAN_TDLS_SETUP_CONFIRM:
3064                 tf->category = WLAN_CATEGORY_TDLS;
3065                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3066
3067                 skb_put(skb, sizeof(tf->u.setup_cfm));
3068                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3069                 tf->u.setup_cfm.dialog_token = dialog_token;
3070                 break;
3071         case WLAN_TDLS_TEARDOWN:
3072                 tf->category = WLAN_CATEGORY_TDLS;
3073                 tf->action_code = WLAN_TDLS_TEARDOWN;
3074
3075                 skb_put(skb, sizeof(tf->u.teardown));
3076                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3077                 break;
3078         case WLAN_TDLS_DISCOVERY_REQUEST:
3079                 tf->category = WLAN_CATEGORY_TDLS;
3080                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3081
3082                 skb_put(skb, sizeof(tf->u.discover_req));
3083                 tf->u.discover_req.dialog_token = dialog_token;
3084                 break;
3085         default:
3086                 return -EINVAL;
3087         }
3088
3089         return 0;
3090 }
3091
3092 static int
3093 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3094                            u8 *peer, u8 action_code, u8 dialog_token,
3095                            u16 status_code, struct sk_buff *skb)
3096 {
3097         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3098         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3099         struct ieee80211_mgmt *mgmt;
3100
3101         mgmt = (void *)skb_put(skb, 24);
3102         memset(mgmt, 0, 24);
3103         memcpy(mgmt->da, peer, ETH_ALEN);
3104         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3105         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3106
3107         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3108                                           IEEE80211_STYPE_ACTION);
3109
3110         switch (action_code) {
3111         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3112                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3113                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3114                 mgmt->u.action.u.tdls_discover_resp.action_code =
3115                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3116                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3117                         dialog_token;
3118                 mgmt->u.action.u.tdls_discover_resp.capability =
3119                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3120
3121                 ieee80211_add_srates_ie(sdata, skb, false, band);
3122                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3123                 ieee80211_tdls_add_ext_capab(skb);
3124                 break;
3125         default:
3126                 return -EINVAL;
3127         }
3128
3129         return 0;
3130 }
3131
3132 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3133                                u8 *peer, u8 action_code, u8 dialog_token,
3134                                u16 status_code, const u8 *extra_ies,
3135                                size_t extra_ies_len)
3136 {
3137         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3138         struct ieee80211_local *local = sdata->local;
3139         struct sk_buff *skb = NULL;
3140         bool send_direct;
3141         int ret;
3142
3143         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3144                 return -ENOTSUPP;
3145
3146         /* make sure we are in managed mode, and associated */
3147         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3148             !sdata->u.mgd.associated)
3149                 return -EINVAL;
3150
3151         tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3152                  action_code, peer);
3153
3154         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3155                             max(sizeof(struct ieee80211_mgmt),
3156                                 sizeof(struct ieee80211_tdls_data)) +
3157                             50 + /* supported rates */
3158                             7 + /* ext capab */
3159                             extra_ies_len +
3160                             sizeof(struct ieee80211_tdls_lnkie));
3161         if (!skb)
3162                 return -ENOMEM;
3163
3164         skb_reserve(skb, local->hw.extra_tx_headroom);
3165
3166         switch (action_code) {
3167         case WLAN_TDLS_SETUP_REQUEST:
3168         case WLAN_TDLS_SETUP_RESPONSE:
3169         case WLAN_TDLS_SETUP_CONFIRM:
3170         case WLAN_TDLS_TEARDOWN:
3171         case WLAN_TDLS_DISCOVERY_REQUEST:
3172                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3173                                                      action_code, dialog_token,
3174                                                      status_code, skb);
3175                 send_direct = false;
3176                 break;
3177         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3178                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3179                                                  dialog_token, status_code,
3180                                                  skb);
3181                 send_direct = true;
3182                 break;
3183         default:
3184                 ret = -ENOTSUPP;
3185                 break;
3186         }
3187
3188         if (ret < 0)
3189                 goto fail;
3190
3191         if (extra_ies_len)
3192                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3193
3194         /* the TDLS link IE is always added last */
3195         switch (action_code) {
3196         case WLAN_TDLS_SETUP_REQUEST:
3197         case WLAN_TDLS_SETUP_CONFIRM:
3198         case WLAN_TDLS_TEARDOWN:
3199         case WLAN_TDLS_DISCOVERY_REQUEST:
3200                 /* we are the initiator */
3201                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3202                                            sdata->u.mgd.bssid);
3203                 break;
3204         case WLAN_TDLS_SETUP_RESPONSE:
3205         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3206                 /* we are the responder */
3207                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3208                                            sdata->u.mgd.bssid);
3209                 break;
3210         default:
3211                 ret = -ENOTSUPP;
3212                 goto fail;
3213         }
3214
3215         if (send_direct) {
3216                 ieee80211_tx_skb(sdata, skb);
3217                 return 0;
3218         }
3219
3220         /*
3221          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3222          * we should default to AC_VI.
3223          */
3224         switch (action_code) {
3225         case WLAN_TDLS_SETUP_REQUEST:
3226         case WLAN_TDLS_SETUP_RESPONSE:
3227                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3228                 skb->priority = 2;
3229                 break;
3230         default:
3231                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3232                 skb->priority = 5;
3233                 break;
3234         }
3235
3236         /* disable bottom halves when entering the Tx path */
3237         local_bh_disable();
3238         ret = ieee80211_subif_start_xmit(skb, dev);
3239         local_bh_enable();
3240
3241         return ret;
3242
3243 fail:
3244         dev_kfree_skb(skb);
3245         return ret;
3246 }
3247
3248 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3249                                u8 *peer, enum nl80211_tdls_operation oper)
3250 {
3251         struct sta_info *sta;
3252         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3253
3254         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3255                 return -ENOTSUPP;
3256
3257         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3258                 return -EINVAL;
3259
3260         tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3261
3262         switch (oper) {
3263         case NL80211_TDLS_ENABLE_LINK:
3264                 rcu_read_lock();
3265                 sta = sta_info_get(sdata, peer);
3266                 if (!sta) {
3267                         rcu_read_unlock();
3268                         return -ENOLINK;
3269                 }
3270
3271                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3272                 rcu_read_unlock();
3273                 break;
3274         case NL80211_TDLS_DISABLE_LINK:
3275                 return sta_info_destroy_addr(sdata, peer);
3276         case NL80211_TDLS_TEARDOWN:
3277         case NL80211_TDLS_SETUP:
3278         case NL80211_TDLS_DISCOVERY_REQ:
3279                 /* We don't support in-driver setup/teardown/discovery */
3280                 return -ENOTSUPP;
3281         default:
3282                 return -ENOTSUPP;
3283         }
3284
3285         return 0;
3286 }
3287
3288 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3289                                   const u8 *peer, u64 *cookie)
3290 {
3291         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3292         struct ieee80211_local *local = sdata->local;
3293         struct ieee80211_qos_hdr *nullfunc;
3294         struct sk_buff *skb;
3295         int size = sizeof(*nullfunc);
3296         __le16 fc;
3297         bool qos;
3298         struct ieee80211_tx_info *info;
3299         struct sta_info *sta;
3300         struct ieee80211_chanctx_conf *chanctx_conf;
3301         enum ieee80211_band band;
3302
3303         rcu_read_lock();
3304         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3305         if (WARN_ON(!chanctx_conf)) {
3306                 rcu_read_unlock();
3307                 return -EINVAL;
3308         }
3309         band = chanctx_conf->def.chan->band;
3310         sta = sta_info_get(sdata, peer);
3311         if (sta) {
3312                 qos = test_sta_flag(sta, WLAN_STA_WME);
3313         } else {
3314                 rcu_read_unlock();
3315                 return -ENOLINK;
3316         }
3317
3318         if (qos) {
3319                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3320                                  IEEE80211_STYPE_QOS_NULLFUNC |
3321                                  IEEE80211_FCTL_FROMDS);
3322         } else {
3323                 size -= 2;
3324                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3325                                  IEEE80211_STYPE_NULLFUNC |
3326                                  IEEE80211_FCTL_FROMDS);
3327         }
3328
3329         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3330         if (!skb) {
3331                 rcu_read_unlock();
3332                 return -ENOMEM;
3333         }
3334
3335         skb->dev = dev;
3336
3337         skb_reserve(skb, local->hw.extra_tx_headroom);
3338
3339         nullfunc = (void *) skb_put(skb, size);
3340         nullfunc->frame_control = fc;
3341         nullfunc->duration_id = 0;
3342         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3343         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3344         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3345         nullfunc->seq_ctrl = 0;
3346
3347         info = IEEE80211_SKB_CB(skb);
3348
3349         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3350                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3351
3352         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3353         skb->priority = 7;
3354         if (qos)
3355                 nullfunc->qos_ctrl = cpu_to_le16(7);
3356
3357         local_bh_disable();
3358         ieee80211_xmit(sdata, skb, band);
3359         local_bh_enable();
3360         rcu_read_unlock();
3361
3362         *cookie = (unsigned long) skb;
3363         return 0;
3364 }
3365
3366 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3367                                      struct wireless_dev *wdev,
3368                                      struct cfg80211_chan_def *chandef)
3369 {
3370         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3371         struct ieee80211_local *local = wiphy_priv(wiphy);
3372         struct ieee80211_chanctx_conf *chanctx_conf;
3373         int ret = -ENODATA;
3374
3375         rcu_read_lock();
3376         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3377         if (chanctx_conf) {
3378                 *chandef = chanctx_conf->def;
3379                 ret = 0;
3380         } else if (local->open_count > 0 &&
3381                    local->open_count == local->monitors &&
3382                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3383                 if (local->use_chanctx)
3384                         *chandef = local->monitor_chandef;
3385                 else
3386                         *chandef = local->_oper_chandef;
3387                 ret = 0;
3388         }
3389         rcu_read_unlock();
3390
3391         return ret;
3392 }
3393
3394 #ifdef CONFIG_PM
3395 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3396 {
3397         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3398 }
3399 #endif
3400
3401 struct cfg80211_ops mac80211_config_ops = {
3402         .add_virtual_intf = ieee80211_add_iface,
3403         .del_virtual_intf = ieee80211_del_iface,
3404         .change_virtual_intf = ieee80211_change_iface,
3405         .start_p2p_device = ieee80211_start_p2p_device,
3406         .stop_p2p_device = ieee80211_stop_p2p_device,
3407         .add_key = ieee80211_add_key,
3408         .del_key = ieee80211_del_key,
3409         .get_key = ieee80211_get_key,
3410         .set_default_key = ieee80211_config_default_key,
3411         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3412         .start_ap = ieee80211_start_ap,
3413         .change_beacon = ieee80211_change_beacon,
3414         .stop_ap = ieee80211_stop_ap,
3415         .add_station = ieee80211_add_station,
3416         .del_station = ieee80211_del_station,
3417         .change_station = ieee80211_change_station,
3418         .get_station = ieee80211_get_station,
3419         .dump_station = ieee80211_dump_station,
3420         .dump_survey = ieee80211_dump_survey,
3421 #ifdef CONFIG_MAC80211_MESH
3422         .add_mpath = ieee80211_add_mpath,
3423         .del_mpath = ieee80211_del_mpath,
3424         .change_mpath = ieee80211_change_mpath,
3425         .get_mpath = ieee80211_get_mpath,
3426         .dump_mpath = ieee80211_dump_mpath,
3427         .update_mesh_config = ieee80211_update_mesh_config,
3428         .get_mesh_config = ieee80211_get_mesh_config,
3429         .join_mesh = ieee80211_join_mesh,
3430         .leave_mesh = ieee80211_leave_mesh,
3431 #endif
3432         .change_bss = ieee80211_change_bss,
3433         .set_txq_params = ieee80211_set_txq_params,
3434         .set_monitor_channel = ieee80211_set_monitor_channel,
3435         .suspend = ieee80211_suspend,
3436         .resume = ieee80211_resume,
3437         .scan = ieee80211_scan,
3438         .sched_scan_start = ieee80211_sched_scan_start,
3439         .sched_scan_stop = ieee80211_sched_scan_stop,
3440         .auth = ieee80211_auth,
3441         .assoc = ieee80211_assoc,
3442         .deauth = ieee80211_deauth,
3443         .disassoc = ieee80211_disassoc,
3444         .join_ibss = ieee80211_join_ibss,
3445         .leave_ibss = ieee80211_leave_ibss,
3446         .set_mcast_rate = ieee80211_set_mcast_rate,
3447         .set_wiphy_params = ieee80211_set_wiphy_params,
3448         .set_tx_power = ieee80211_set_tx_power,
3449         .get_tx_power = ieee80211_get_tx_power,
3450         .set_wds_peer = ieee80211_set_wds_peer,
3451         .rfkill_poll = ieee80211_rfkill_poll,
3452         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3453         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3454         .set_power_mgmt = ieee80211_set_power_mgmt,
3455         .set_bitrate_mask = ieee80211_set_bitrate_mask,
3456         .remain_on_channel = ieee80211_remain_on_channel,
3457         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3458         .mgmt_tx = ieee80211_mgmt_tx,
3459         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3460         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3461         .mgmt_frame_register = ieee80211_mgmt_frame_register,
3462         .set_antenna = ieee80211_set_antenna,
3463         .get_antenna = ieee80211_get_antenna,
3464         .set_ringparam = ieee80211_set_ringparam,
3465         .get_ringparam = ieee80211_get_ringparam,
3466         .set_rekey_data = ieee80211_set_rekey_data,
3467         .tdls_oper = ieee80211_tdls_oper,
3468         .tdls_mgmt = ieee80211_tdls_mgmt,
3469         .probe_client = ieee80211_probe_client,
3470         .set_noack_map = ieee80211_set_noack_map,
3471 #ifdef CONFIG_PM
3472         .set_wakeup = ieee80211_set_wakeup,
3473 #endif
3474         .get_et_sset_count = ieee80211_get_et_sset_count,
3475         .get_et_stats = ieee80211_get_et_stats,
3476         .get_et_strings = ieee80211_get_et_strings,
3477         .get_channel = ieee80211_cfg_get_channel,
3478         .start_radar_detection = ieee80211_start_radar_detection,
3479 };