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(sdata->local, 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         if (err)
 218                 ieee80211_key_free(sdata->local, key);
 219
 220  out_unlock:
 221         mutex_unlock(&sdata->local->sta_mtx);
 222
 223         return err;
 224 }
 225
 226 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 227                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 228 {
 229         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 230         struct ieee80211_local *local = sdata->local;
 231         struct sta_info *sta;
 232         struct ieee80211_key *key = NULL;
 233         int ret;
 234
 235         mutex_lock(&local->sta_mtx);
 236         mutex_lock(&local->key_mtx);
 237
 238         if (mac_addr) {
 239                 ret = -ENOENT;
 240
 241                 sta = sta_info_get_bss(sdata, mac_addr);
 242                 if (!sta)
 243                         goto out_unlock;
 244
 245                 if (pairwise)
 246                         key = key_mtx_dereference(local, sta->ptk);
 247                 else
 248                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 249         } else
 250                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 251
 252         if (!key) {
 253                 ret = -ENOENT;
 254                 goto out_unlock;
 255         }
 256
 257         __ieee80211_key_free(key, true);
 258
 259         ret = 0;
 260  out_unlock:
 261         mutex_unlock(&local->key_mtx);
 262         mutex_unlock(&local->sta_mtx);
 263
 264         return ret;
 265 }
 266
 267 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 268                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 269                              void *cookie,
 270                              void (*callback)(void *cookie,
 271                                               struct key_params *params))
 272 {
 273         struct ieee80211_sub_if_data *sdata;
 274         struct sta_info *sta = NULL;
 275         u8 seq[6] = {0};
 276         struct key_params params;
 277         struct ieee80211_key *key = NULL;
 278         u64 pn64;
 279         u32 iv32;
 280         u16 iv16;
 281         int err = -ENOENT;
 282
 283         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 284
 285         rcu_read_lock();
 286
 287         if (mac_addr) {
 288                 sta = sta_info_get_bss(sdata, mac_addr);
 289                 if (!sta)
 290                         goto out;
 291
 292                 if (pairwise)
 293                         key = rcu_dereference(sta->ptk);
 294                 else if (key_idx < NUM_DEFAULT_KEYS)
 295                         key = rcu_dereference(sta->gtk[key_idx]);
 296         } else
 297                 key = rcu_dereference(sdata->keys[key_idx]);
 298
 299         if (!key)
 300                 goto out;
 301
 302         memset(&params, 0, sizeof(params));
 303
 304         params.cipher = key->conf.cipher;
 305
 306         switch (key->conf.cipher) {
 307         case WLAN_CIPHER_SUITE_TKIP:
 308                 iv32 = key->u.tkip.tx.iv32;
 309                 iv16 = key->u.tkip.tx.iv16;
 310
 311                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 312                         drv_get_tkip_seq(sdata->local,
 313                                          key->conf.hw_key_idx,
 314                                          &iv32, &iv16);
 315
 316                 seq[0] = iv16 & 0xff;
 317                 seq[1] = (iv16 >> 8) & 0xff;
 318                 seq[2] = iv32 & 0xff;
 319                 seq[3] = (iv32 >> 8) & 0xff;
 320                 seq[4] = (iv32 >> 16) & 0xff;
 321                 seq[5] = (iv32 >> 24) & 0xff;
 322                 params.seq = seq;
 323                 params.seq_len = 6;
 324                 break;
 325         case WLAN_CIPHER_SUITE_CCMP:
 326                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 327                 seq[0] = pn64;
 328                 seq[1] = pn64 >> 8;
 329                 seq[2] = pn64 >> 16;
 330                 seq[3] = pn64 >> 24;
 331                 seq[4] = pn64 >> 32;
 332                 seq[5] = pn64 >> 40;
 333                 params.seq = seq;
 334                 params.seq_len = 6;
 335                 break;
 336         case WLAN_CIPHER_SUITE_AES_CMAC:
 337                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 338                 seq[0] = pn64;
 339                 seq[1] = pn64 >> 8;
 340                 seq[2] = pn64 >> 16;
 341                 seq[3] = pn64 >> 24;
 342                 seq[4] = pn64 >> 32;
 343                 seq[5] = pn64 >> 40;
 344                 params.seq = seq;
 345                 params.seq_len = 6;
 346                 break;
 347         }
 348
 349         params.key = key->conf.key;
 350         params.key_len = key->conf.keylen;
 351
 352         callback(cookie, &params);
 353         err = 0;
 354
 355  out:
 356         rcu_read_unlock();
 357         return err;
 358 }
 359
 360 static int ieee80211_config_default_key(struct wiphy *wiphy,
 361                                         struct net_device *dev,
 362                                         u8 key_idx, bool uni,
 363                                         bool multi)
 364 {
 365         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 366
 367         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 368
 369         return 0;
 370 }
 371
 372 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 373                                              struct net_device *dev,
 374                                              u8 key_idx)
 375 {
 376         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 377
 378         ieee80211_set_default_mgmt_key(sdata, key_idx);
 379
 380         return 0;
 381 }
 382
 383 void sta_set_rate_info_tx(struct sta_info *sta,
 384                           const struct ieee80211_tx_rate *rate,
 385                           struct rate_info *rinfo)
 386 {
 387         rinfo->flags = 0;
 388         if (rate->flags & IEEE80211_TX_RC_MCS) {
 389                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 390                 rinfo->mcs = rate->idx;
 391         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 392                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 393                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 394                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 395         } else {
 396                 struct ieee80211_supported_band *sband;
 397                 sband = sta->local->hw.wiphy->bands[
 398                                 ieee80211_get_sdata_band(sta->sdata)];
 399                 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
 400         }
 401         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 402                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 403         if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 404                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 405         if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 406                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 407         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 408                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 409 }
 410
 411 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 412 {
 413         rinfo->flags = 0;
 414
 415         if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 416                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 417                 rinfo->mcs = sta->last_rx_rate_idx;
 418         } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
 419                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 420                 rinfo->nss = sta->last_rx_rate_vht_nss;
 421                 rinfo->mcs = sta->last_rx_rate_idx;
 422         } else {
 423                 struct ieee80211_supported_band *sband;
 424
 425                 sband = sta->local->hw.wiphy->bands[
 426                                 ieee80211_get_sdata_band(sta->sdata)];
 427                 rinfo->legacy =
 428                         sband->bitrates[sta->last_rx_rate_idx].bitrate;
 429         }
 430
 431         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 432                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 433         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 434                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 435         if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
 436                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 437         if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
 438                 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
 439         if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
 440                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 441 }
 442
 443 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 444 {
 445         struct ieee80211_sub_if_data *sdata = sta->sdata;
 446         struct ieee80211_local *local = sdata->local;
 447         struct timespec uptime;
 448
 449         sinfo->generation = sdata->local->sta_generation;
 450
 451         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 452                         STATION_INFO_RX_BYTES |
 453                         STATION_INFO_TX_BYTES |
 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->rx_bytes = sta->rx_bytes;
 471         sinfo->tx_bytes = sta->tx_bytes;
 472         sinfo->rx_packets = sta->rx_packets;
 473         sinfo->tx_packets = sta->tx_packets;
 474         sinfo->tx_retries = sta->tx_retry_count;
 475         sinfo->tx_failed = sta->tx_retry_failed;
 476         sinfo->rx_dropped_misc = sta->rx_dropped;
 477         sinfo->beacon_loss_count = sta->beacon_loss_count;
 478
 479         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 480             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 481                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 482                 if (!local->ops->get_rssi ||
 483                     drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
 484                         sinfo->signal = (s8)sta->last_signal;
 485                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 486         }
 487
 488         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 489         sta_set_rate_info_rx(sta, &sinfo->rxrate);
 490
 491         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 492 #ifdef CONFIG_MAC80211_MESH
 493                 sinfo->filled |= STATION_INFO_LLID |
 494                                  STATION_INFO_PLID |
 495                                  STATION_INFO_PLINK_STATE |
 496                                  STATION_INFO_LOCAL_PM |
 497                                  STATION_INFO_PEER_PM |
 498                                  STATION_INFO_NONPEER_PM;
 499
 500                 sinfo->llid = le16_to_cpu(sta->llid);
 501                 sinfo->plid = le16_to_cpu(sta->plid);
 502                 sinfo->plink_state = sta->plink_state;
 503                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 504                         sinfo->filled |= STATION_INFO_T_OFFSET;
 505                         sinfo->t_offset = sta->t_offset;
 506                 }
 507                 sinfo->local_pm = sta->local_pm;
 508                 sinfo->peer_pm = sta->peer_pm;
 509                 sinfo->nonpeer_pm = sta->nonpeer_pm;
 510 #endif
 511         }
 512
 513         sinfo->bss_param.flags = 0;
 514         if (sdata->vif.bss_conf.use_cts_prot)
 515                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 516         if (sdata->vif.bss_conf.use_short_preamble)
 517                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 518         if (sdata->vif.bss_conf.use_short_slot)
 519                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 520         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 521         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 522
 523         sinfo->sta_flags.set = 0;
 524         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 525                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 526                                 BIT(NL80211_STA_FLAG_WME) |
 527                                 BIT(NL80211_STA_FLAG_MFP) |
 528                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 529                                 BIT(NL80211_STA_FLAG_ASSOCIATED) |
 530                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 531         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 532                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 533         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 534                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 535         if (test_sta_flag(sta, WLAN_STA_WME))
 536                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 537         if (test_sta_flag(sta, WLAN_STA_MFP))
 538                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 539         if (test_sta_flag(sta, WLAN_STA_AUTH))
 540                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 541         if (test_sta_flag(sta, WLAN_STA_ASSOC))
 542                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
 543         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 544                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 545 }
 546
 547 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 548         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 549         "rx_duplicates", "rx_fragments", "rx_dropped",
 550         "tx_packets", "tx_bytes", "tx_fragments",
 551         "tx_filtered", "tx_retry_failed", "tx_retries",
 552         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 553         "channel", "noise", "ch_time", "ch_time_busy",
 554         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 555 };
 556 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 557
 558 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 559                                        struct net_device *dev,
 560                                        int sset)
 561 {
 562         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 563         int rv = 0;
 564
 565         if (sset == ETH_SS_STATS)
 566                 rv += STA_STATS_LEN;
 567
 568         rv += drv_get_et_sset_count(sdata, sset);
 569
 570         if (rv == 0)
 571                 return -EOPNOTSUPP;
 572         return rv;
 573 }
 574
 575 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 576                                    struct net_device *dev,
 577                                    struct ethtool_stats *stats,
 578                                    u64 *data)
 579 {
 580         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 581         struct ieee80211_chanctx_conf *chanctx_conf;
 582         struct ieee80211_channel *channel;
 583         struct sta_info *sta;
 584         struct ieee80211_local *local = sdata->local;
 585         struct station_info sinfo;
 586         struct survey_info survey;
 587         int i, q;
 588 #define STA_STATS_SURVEY_LEN 7
 589
 590         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 591
 592 #define ADD_STA_STATS(sta)                              \
 593         do {                                            \
 594                 data[i++] += sta->rx_packets;           \
 595                 data[i++] += sta->rx_bytes;             \
 596                 data[i++] += sta->wep_weak_iv_count;    \
 597                 data[i++] += sta->num_duplicates;       \
 598                 data[i++] += sta->rx_fragments;         \
 599                 data[i++] += sta->rx_dropped;           \
 600                                                         \
 601                 data[i++] += sta->tx_packets;           \
 602                 data[i++] += sta->tx_bytes;             \
 603                 data[i++] += sta->tx_fragments;         \
 604                 data[i++] += sta->tx_filtered_count;    \
 605                 data[i++] += sta->tx_retry_failed;      \
 606                 data[i++] += sta->tx_retry_count;       \
 607                 data[i++] += sta->beacon_loss_count;    \
 608         } while (0)
 609
 610         /* For Managed stations, find the single station based on BSSID
 611          * and use that.  For interface types, iterate through all available
 612          * stations and add stats for any station that is assigned to this
 613          * network device.
 614          */
 615
 616         mutex_lock(&local->sta_mtx);
 617
 618         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 619                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 620
 621                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 622                         goto do_survey;
 623
 624                 i = 0;
 625                 ADD_STA_STATS(sta);
 626
 627                 data[i++] = sta->sta_state;
 628
 629                 sinfo.filled = 0;
 630                 sta_set_sinfo(sta, &sinfo);
 631
 632                 if (sinfo.filled & STATION_INFO_TX_BITRATE)
 633                         data[i] = 100000 *
 634                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 635                 i++;
 636                 if (sinfo.filled & STATION_INFO_RX_BITRATE)
 637                         data[i] = 100000 *
 638                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 639                 i++;
 640
 641                 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
 642                         data[i] = (u8)sinfo.signal_avg;
 643                 i++;
 644         } else {
 645                 list_for_each_entry(sta, &local->sta_list, list) {
 646                         /* Make sure this station belongs to the proper dev */
 647                         if (sta->sdata->dev != dev)
 648                                 continue;
 649
 650                         i = 0;
 651                         ADD_STA_STATS(sta);
 652                 }
 653         }
 654
 655 do_survey:
 656         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 657         /* Get survey stats for current channel */
 658         survey.filled = 0;
 659
 660         rcu_read_lock();
 661         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 662         if (chanctx_conf)
 663                 channel = chanctx_conf->def.chan;
 664         else
 665                 channel = NULL;
 666         rcu_read_unlock();
 667
 668         if (channel) {
 669                 q = 0;
 670                 do {
 671                         survey.filled = 0;
 672                         if (drv_get_survey(local, q, &survey) != 0) {
 673                                 survey.filled = 0;
 674                                 break;
 675                         }
 676                         q++;
 677                 } while (channel != survey.channel);
 678         }
 679
 680         if (survey.filled)
 681                 data[i++] = survey.channel->center_freq;
 682         else
 683                 data[i++] = 0;
 684         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 685                 data[i++] = (u8)survey.noise;
 686         else
 687                 data[i++] = -1LL;
 688         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 689                 data[i++] = survey.channel_time;
 690         else
 691                 data[i++] = -1LL;
 692         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 693                 data[i++] = survey.channel_time_busy;
 694         else
 695                 data[i++] = -1LL;
 696         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 697                 data[i++] = survey.channel_time_ext_busy;
 698         else
 699                 data[i++] = -1LL;
 700         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 701                 data[i++] = survey.channel_time_rx;
 702         else
 703                 data[i++] = -1LL;
 704         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 705                 data[i++] = survey.channel_time_tx;
 706         else
 707                 data[i++] = -1LL;
 708
 709         mutex_unlock(&local->sta_mtx);
 710
 711         if (WARN_ON(i != STA_STATS_LEN))
 712                 return;
 713
 714         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 715 }
 716
 717 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 718                                      struct net_device *dev,
 719                                      u32 sset, u8 *data)
 720 {
 721         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 722         int sz_sta_stats = 0;
 723
 724         if (sset == ETH_SS_STATS) {
 725                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 726                 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
 727         }
 728         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 729 }
 730
 731 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 732                                  int idx, u8 *mac, struct station_info *sinfo)
 733 {
 734         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 735         struct ieee80211_local *local = sdata->local;
 736         struct sta_info *sta;
 737         int ret = -ENOENT;
 738
 739         mutex_lock(&local->sta_mtx);
 740
 741         sta = sta_info_get_by_idx(sdata, idx);
 742         if (sta) {
 743                 ret = 0;
 744                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 745                 sta_set_sinfo(sta, sinfo);
 746         }
 747
 748         mutex_unlock(&local->sta_mtx);
 749
 750         return ret;
 751 }
 752
 753 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 754                                  int idx, struct survey_info *survey)
 755 {
 756         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 757
 758         return drv_get_survey(local, idx, survey);
 759 }
 760
 761 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 762                                  u8 *mac, struct station_info *sinfo)
 763 {
 764         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 765         struct ieee80211_local *local = sdata->local;
 766         struct sta_info *sta;
 767         int ret = -ENOENT;
 768
 769         mutex_lock(&local->sta_mtx);
 770
 771         sta = sta_info_get_bss(sdata, mac);
 772         if (sta) {
 773                 ret = 0;
 774                 sta_set_sinfo(sta, sinfo);
 775         }
 776
 777         mutex_unlock(&local->sta_mtx);
 778
 779         return ret;
 780 }
 781
 782 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 783                                          struct cfg80211_chan_def *chandef)
 784 {
 785         struct ieee80211_local *local = wiphy_priv(wiphy);
 786         struct ieee80211_sub_if_data *sdata;
 787         int ret = 0;
 788
 789         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 790                 return 0;
 791
 792         mutex_lock(&local->iflist_mtx);
 793         if (local->use_chanctx) {
 794                 sdata = rcu_dereference_protected(
 795                                 local->monitor_sdata,
 796                                 lockdep_is_held(&local->iflist_mtx));
 797                 if (sdata) {
 798                         ieee80211_vif_release_channel(sdata);
 799                         ret = ieee80211_vif_use_channel(sdata, chandef,
 800                                         IEEE80211_CHANCTX_EXCLUSIVE);
 801                 }
 802         } else if (local->open_count == local->monitors) {
 803                 local->_oper_channel = chandef->chan;
 804                 local->_oper_channel_type = cfg80211_get_chandef_type(chandef);
 805                 ieee80211_hw_config(local, 0);
 806         }
 807
 808         if (ret == 0)
 809                 local->monitor_chandef = *chandef;
 810         mutex_unlock(&local->iflist_mtx);
 811
 812         return ret;
 813 }
 814
 815 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 816                                     const u8 *resp, size_t resp_len)
 817 {
 818         struct probe_resp *new, *old;
 819
 820         if (!resp || !resp_len)
 821                 return 1;
 822
 823         old = rtnl_dereference(sdata->u.ap.probe_resp);
 824
 825         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 826         if (!new)
 827                 return -ENOMEM;
 828
 829         new->len = resp_len;
 830         memcpy(new->data, resp, resp_len);
 831
 832         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 833         if (old)
 834                 kfree_rcu(old, rcu_head);
 835
 836         return 0;
 837 }
 838
 839 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 840                                    struct cfg80211_beacon_data *params)
 841 {
 842         struct beacon_data *new, *old;
 843         int new_head_len, new_tail_len;
 844         int size, err;
 845         u32 changed = BSS_CHANGED_BEACON;
 846
 847         old = rtnl_dereference(sdata->u.ap.beacon);
 848
 849         /* Need to have a beacon head if we don't have one yet */
 850         if (!params->head && !old)
 851                 return -EINVAL;
 852
 853         /* new or old head? */
 854         if (params->head)
 855                 new_head_len = params->head_len;
 856         else
 857                 new_head_len = old->head_len;
 858
 859         /* new or old tail? */
 860         if (params->tail || !old)
 861                 /* params->tail_len will be zero for !params->tail */
 862                 new_tail_len = params->tail_len;
 863         else
 864                 new_tail_len = old->tail_len;
 865
 866         size = sizeof(*new) + new_head_len + new_tail_len;
 867
 868         new = kzalloc(size, GFP_KERNEL);
 869         if (!new)
 870                 return -ENOMEM;
 871
 872         /* start filling the new info now */
 873
 874         /*
 875          * pointers go into the block we allocated,
 876          * memory is | beacon_data | head | tail |
 877          */
 878         new->head = ((u8 *) new) + sizeof(*new);
 879         new->tail = new->head + new_head_len;
 880         new->head_len = new_head_len;
 881         new->tail_len = new_tail_len;
 882
 883         /* copy in head */
 884         if (params->head)
 885                 memcpy(new->head, params->head, new_head_len);
 886         else
 887                 memcpy(new->head, old->head, new_head_len);
 888
 889         /* copy in optional tail */
 890         if (params->tail)
 891                 memcpy(new->tail, params->tail, new_tail_len);
 892         else
 893                 if (old)
 894                         memcpy(new->tail, old->tail, new_tail_len);
 895
 896         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 897                                        params->probe_resp_len);
 898         if (err < 0)
 899                 return err;
 900         if (err == 0)
 901                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 902
 903         rcu_assign_pointer(sdata->u.ap.beacon, new);
 904
 905         if (old)
 906                 kfree_rcu(old, rcu_head);
 907
 908         return changed;
 909 }
 910
 911 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 912                               struct cfg80211_ap_settings *params)
 913 {
 914         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 915         struct beacon_data *old;
 916         struct ieee80211_sub_if_data *vlan;
 917         u32 changed = BSS_CHANGED_BEACON_INT |
 918                       BSS_CHANGED_BEACON_ENABLED |
 919                       BSS_CHANGED_BEACON |
 920                       BSS_CHANGED_SSID |
 921                       BSS_CHANGED_P2P_PS;
 922         int err;
 923
 924         old = rtnl_dereference(sdata->u.ap.beacon);
 925         if (old)
 926                 return -EALREADY;
 927
 928         /* TODO: make hostapd tell us what it wants */
 929         sdata->smps_mode = IEEE80211_SMPS_OFF;
 930         sdata->needed_rx_chains = sdata->local->rx_chains;
 931         sdata->radar_required = params->radar_required;
 932
 933         err = ieee80211_vif_use_channel(sdata, &params->chandef,
 934                                         IEEE80211_CHANCTX_SHARED);
 935         if (err)
 936                 return err;
 937         ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
 938
 939         /*
 940          * Apply control port protocol, this allows us to
 941          * not encrypt dynamic WEP control frames.
 942          */
 943         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 944         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 945         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 946                 vlan->control_port_protocol =
 947                         params->crypto.control_port_ethertype;
 948                 vlan->control_port_no_encrypt =
 949                         params->crypto.control_port_no_encrypt;
 950         }
 951
 952         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 953         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 954         sdata->vif.bss_conf.enable_beacon = true;
 955
 956         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 957         if (params->ssid_len)
 958                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 959                        params->ssid_len);
 960         sdata->vif.bss_conf.hidden_ssid =
 961                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 962
 963         sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
 964         sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
 965
 966         err = ieee80211_assign_beacon(sdata, &params->beacon);
 967         if (err < 0)
 968                 return err;
 969         changed |= err;
 970
 971         err = drv_start_ap(sdata->local, sdata);
 972         if (err) {
 973                 old = rtnl_dereference(sdata->u.ap.beacon);
 974                 if (old)
 975                         kfree_rcu(old, rcu_head);
 976                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
 977                 return err;
 978         }
 979
 980         ieee80211_bss_info_change_notify(sdata, changed);
 981
 982         netif_carrier_on(dev);
 983         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 984                 netif_carrier_on(vlan->dev);
 985
 986         return 0;
 987 }
 988
 989 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 990                                    struct cfg80211_beacon_data *params)
 991 {
 992         struct ieee80211_sub_if_data *sdata;
 993         struct beacon_data *old;
 994         int err;
 995
 996         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 997
 998         old = rtnl_dereference(sdata->u.ap.beacon);
 999         if (!old)
1000                 return -ENOENT;
1001
1002         err = ieee80211_assign_beacon(sdata, params);
1003         if (err < 0)
1004                 return err;
1005         ieee80211_bss_info_change_notify(sdata, err);
1006         return 0;
1007 }
1008
1009 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1010 {
1011         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1012         struct ieee80211_sub_if_data *vlan;
1013         struct ieee80211_local *local = sdata->local;
1014         struct beacon_data *old_beacon;
1015         struct probe_resp *old_probe_resp;
1016
1017         old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1018         if (!old_beacon)
1019                 return -ENOENT;
1020         old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1021
1022         /* turn off carrier for this interface and dependent VLANs */
1023         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1024                 netif_carrier_off(vlan->dev);
1025         netif_carrier_off(dev);
1026
1027         /* remove beacon and probe response */
1028         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1029         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1030         kfree_rcu(old_beacon, rcu_head);
1031         if (old_probe_resp)
1032                 kfree_rcu(old_probe_resp, rcu_head);
1033
1034         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1035                 sta_info_flush_defer(vlan);
1036         sta_info_flush_defer(sdata);
1037         rcu_barrier();
1038         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1039                 sta_info_flush_cleanup(vlan);
1040                 ieee80211_free_keys(vlan);
1041         }
1042         sta_info_flush_cleanup(sdata);
1043         ieee80211_free_keys(sdata);
1044
1045         sdata->vif.bss_conf.enable_beacon = false;
1046         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1047         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1048
1049         drv_stop_ap(sdata->local, sdata);
1050
1051         /* free all potentially still buffered bcast frames */
1052         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1053         skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1054
1055         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1056         ieee80211_vif_release_channel(sdata);
1057
1058         return 0;
1059 }
1060
1061 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1062 struct iapp_layer2_update {
1063         u8 da[ETH_ALEN];        /* broadcast */
1064         u8 sa[ETH_ALEN];        /* STA addr */
1065         __be16 len;             /* 6 */
1066         u8 dsap;                /* 0 */
1067         u8 ssap;                /* 0 */
1068         u8 control;
1069         u8 xid_info[3];
1070 } __packed;
1071
1072 static void ieee80211_send_layer2_update(struct sta_info *sta)
1073 {
1074         struct iapp_layer2_update *msg;
1075         struct sk_buff *skb;
1076
1077         /* Send Level 2 Update Frame to update forwarding tables in layer 2
1078          * bridge devices */
1079
1080         skb = dev_alloc_skb(sizeof(*msg));
1081         if (!skb)
1082                 return;
1083         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1084
1085         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1086          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1087
1088         eth_broadcast_addr(msg->da);
1089         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1090         msg->len = htons(6);
1091         msg->dsap = 0;
1092         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
1093         msg->control = 0xaf;    /* XID response lsb.1111F101.
1094                                  * F=0 (no poll command; unsolicited frame) */
1095         msg->xid_info[0] = 0x81;        /* XID format identifier */
1096         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
1097         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
1098
1099         skb->dev = sta->sdata->dev;
1100         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1101         memset(skb->cb, 0, sizeof(skb->cb));
1102         netif_rx_ni(skb);
1103 }
1104
1105 static int sta_apply_auth_flags(struct ieee80211_local *local,
1106                                 struct sta_info *sta,
1107                                 u32 mask, u32 set)
1108 {
1109         int ret;
1110
1111         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1112             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1113             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1114                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1115                 if (ret)
1116                         return ret;
1117         }
1118
1119         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1120             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1121             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1122                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1123                 if (ret)
1124                         return ret;
1125         }
1126
1127         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1128                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1129                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1130                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1131                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1132                 else
1133                         ret = 0;
1134                 if (ret)
1135                         return ret;
1136         }
1137
1138         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1139             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1140             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1141                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1142                 if (ret)
1143                         return ret;
1144         }
1145
1146         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1147             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1148             test_sta_flag(sta, WLAN_STA_AUTH)) {
1149                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1150                 if (ret)
1151                         return ret;
1152         }
1153
1154         return 0;
1155 }
1156
1157 static int sta_apply_parameters(struct ieee80211_local *local,
1158                                 struct sta_info *sta,
1159                                 struct station_parameters *params)
1160 {
1161         int ret = 0;
1162         u32 rates;
1163         int i, j;
1164         struct ieee80211_supported_band *sband;
1165         struct ieee80211_sub_if_data *sdata = sta->sdata;
1166         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1167         u32 mask, set;
1168
1169         sband = local->hw.wiphy->bands[band];
1170
1171         mask = params->sta_flags_mask;
1172         set = params->sta_flags_set;
1173
1174         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1175                 /*
1176                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1177                  * API but must follow AUTHENTICATED for driver state.
1178                  */
1179                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1180                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1181                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1182                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1183         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1184                 /*
1185                  * TDLS -- everything follows authorized, but
1186                  * only becoming authorized is possible, not
1187                  * going back
1188                  */
1189                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1190                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1191                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1192                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1193                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1194                 }
1195         }
1196
1197         ret = sta_apply_auth_flags(local, sta, mask, set);
1198         if (ret)
1199                 return ret;
1200
1201         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1202                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1203                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1204                 else
1205                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1206         }
1207
1208         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1209                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1210                         set_sta_flag(sta, WLAN_STA_WME);
1211                         sta->sta.wme = true;
1212                 } else {
1213                         clear_sta_flag(sta, WLAN_STA_WME);
1214                         sta->sta.wme = false;
1215                 }
1216         }
1217
1218         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1219                 if (set & BIT(NL80211_STA_FLAG_MFP))
1220                         set_sta_flag(sta, WLAN_STA_MFP);
1221                 else
1222                         clear_sta_flag(sta, WLAN_STA_MFP);
1223         }
1224
1225         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1226                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1227                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1228                 else
1229                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1230         }
1231
1232         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1233                 sta->sta.uapsd_queues = params->uapsd_queues;
1234                 sta->sta.max_sp = params->max_sp;
1235         }
1236
1237         /*
1238          * cfg80211 validates this (1-2007) and allows setting the AID
1239          * only when creating a new station entry
1240          */
1241         if (params->aid)
1242                 sta->sta.aid = params->aid;
1243
1244         /*
1245          * Some of the following updates would be racy if called on an
1246          * existing station, via ieee80211_change_station(). However,
1247          * all such changes are rejected by cfg80211 except for updates
1248          * changing the supported rates on an existing but not yet used
1249          * TDLS peer.
1250          */
1251
1252         if (params->listen_interval >= 0)
1253                 sta->listen_interval = params->listen_interval;
1254
1255         if (params->supported_rates) {
1256                 rates = 0;
1257
1258                 for (i = 0; i < params->supported_rates_len; i++) {
1259                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1260                         for (j = 0; j < sband->n_bitrates; j++) {
1261                                 if (sband->bitrates[j].bitrate == rate)
1262                                         rates |= BIT(j);
1263                         }
1264                 }
1265                 sta->sta.supp_rates[band] = rates;
1266         }
1267
1268         if (params->ht_capa)
1269                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1270                                                   params->ht_capa, sta);
1271
1272         if (params->vht_capa)
1273                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1274                                                     params->vht_capa, sta);
1275
1276         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1277 #ifdef CONFIG_MAC80211_MESH
1278                 u32 changed = 0;
1279
1280                 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1281                         switch (params->plink_state) {
1282                         case NL80211_PLINK_ESTAB:
1283                                 if (sta->plink_state != NL80211_PLINK_ESTAB)
1284                                         changed = mesh_plink_inc_estab_count(
1285                                                         sdata);
1286                                 sta->plink_state = params->plink_state;
1287
1288                                 ieee80211_mps_sta_status_update(sta);
1289                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1290                                               sdata->u.mesh.mshcfg.power_mode);
1291                                 break;
1292                         case NL80211_PLINK_LISTEN:
1293                         case NL80211_PLINK_BLOCKED:
1294                         case NL80211_PLINK_OPN_SNT:
1295                         case NL80211_PLINK_OPN_RCVD:
1296                         case NL80211_PLINK_CNF_RCVD:
1297                         case NL80211_PLINK_HOLDING:
1298                                 if (sta->plink_state == NL80211_PLINK_ESTAB)
1299                                         changed = mesh_plink_dec_estab_count(
1300                                                         sdata);
1301                                 sta->plink_state = params->plink_state;
1302
1303                                 ieee80211_mps_sta_status_update(sta);
1304                                 changed |=
1305                                       ieee80211_mps_local_status_update(sdata);
1306                                 break;
1307                         default:
1308                                 /*  nothing  */
1309                                 break;
1310                         }
1311                 }
1312
1313                 switch (params->plink_action) {
1314                 case NL80211_PLINK_ACTION_NO_ACTION:
1315                         /* nothing */
1316                         break;
1317                 case NL80211_PLINK_ACTION_OPEN:
1318                         changed |= mesh_plink_open(sta);
1319                         break;
1320                 case NL80211_PLINK_ACTION_BLOCK:
1321                         changed |= mesh_plink_block(sta);
1322                         break;
1323                 }
1324
1325                 if (params->local_pm)
1326                         changed |=
1327                               ieee80211_mps_set_sta_local_pm(sta,
1328                                                              params->local_pm);
1329                 ieee80211_bss_info_change_notify(sdata, changed);
1330 #endif
1331         }
1332
1333         return 0;
1334 }
1335
1336 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1337                                  u8 *mac, struct station_parameters *params)
1338 {
1339         struct ieee80211_local *local = wiphy_priv(wiphy);
1340         struct sta_info *sta;
1341         struct ieee80211_sub_if_data *sdata;
1342         int err;
1343         int layer2_update;
1344
1345         if (params->vlan) {
1346                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1347
1348                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1349                     sdata->vif.type != NL80211_IFTYPE_AP)
1350                         return -EINVAL;
1351         } else
1352                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1353
1354         if (ether_addr_equal(mac, sdata->vif.addr))
1355                 return -EINVAL;
1356
1357         if (is_multicast_ether_addr(mac))
1358                 return -EINVAL;
1359
1360         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1361         if (!sta)
1362                 return -ENOMEM;
1363
1364         /*
1365          * defaults -- if userspace wants something else we'll
1366          * change it accordingly in sta_apply_parameters()
1367          */
1368         if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1369                 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1370                 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1371         }
1372
1373         err = sta_apply_parameters(local, sta, params);
1374         if (err) {
1375                 sta_info_free(local, sta);
1376                 return err;
1377         }
1378
1379         /*
1380          * for TDLS, rate control should be initialized only when
1381          * rates are known and station is marked authorized
1382          */
1383         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1384                 rate_control_rate_init(sta);
1385
1386         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1387                 sdata->vif.type == NL80211_IFTYPE_AP;
1388
1389         err = sta_info_insert_rcu(sta);
1390         if (err) {
1391                 rcu_read_unlock();
1392                 return err;
1393         }
1394
1395         if (layer2_update)
1396                 ieee80211_send_layer2_update(sta);
1397
1398         rcu_read_unlock();
1399
1400         return 0;
1401 }
1402
1403 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1404                                  u8 *mac)
1405 {
1406         struct ieee80211_sub_if_data *sdata;
1407
1408         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1409
1410         if (mac)
1411                 return sta_info_destroy_addr_bss(sdata, mac);
1412
1413         sta_info_flush(sdata);
1414         return 0;
1415 }
1416
1417 static int ieee80211_change_station(struct wiphy *wiphy,
1418                                     struct net_device *dev, u8 *mac,
1419                                     struct station_parameters *params)
1420 {
1421         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1422         struct ieee80211_local *local = wiphy_priv(wiphy);
1423         struct sta_info *sta;
1424         struct ieee80211_sub_if_data *vlansdata;
1425         enum cfg80211_station_type statype;
1426         int err;
1427
1428         mutex_lock(&local->sta_mtx);
1429
1430         sta = sta_info_get_bss(sdata, mac);
1431         if (!sta) {
1432                 err = -ENOENT;
1433                 goto out_err;
1434         }
1435
1436         switch (sdata->vif.type) {
1437         case NL80211_IFTYPE_MESH_POINT:
1438                 if (sdata->u.mesh.user_mpm)
1439                         statype = CFG80211_STA_MESH_PEER_USER;
1440                 else
1441                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1442                 break;
1443         case NL80211_IFTYPE_ADHOC:
1444                 statype = CFG80211_STA_IBSS;
1445                 break;
1446         case NL80211_IFTYPE_STATION:
1447                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1448                         statype = CFG80211_STA_AP_STA;
1449                         break;
1450                 }
1451                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1452                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1453                 else
1454                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1455                 break;
1456         case NL80211_IFTYPE_AP:
1457         case NL80211_IFTYPE_AP_VLAN:
1458                 statype = CFG80211_STA_AP_CLIENT;
1459                 break;
1460         default:
1461                 err = -EOPNOTSUPP;
1462                 goto out_err;
1463         }
1464
1465         err = cfg80211_check_station_change(wiphy, params, statype);
1466         if (err)
1467                 goto out_err;
1468
1469         if (params->vlan && params->vlan != sta->sdata->dev) {
1470                 bool prev_4addr = false;
1471                 bool new_4addr = false;
1472
1473                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1474
1475                 if (params->vlan->ieee80211_ptr->use_4addr) {
1476                         if (vlansdata->u.vlan.sta) {
1477                                 err = -EBUSY;
1478                                 goto out_err;
1479                         }
1480
1481                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1482                         new_4addr = true;
1483                 }
1484
1485                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1486                     sta->sdata->u.vlan.sta) {
1487                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1488                         prev_4addr = true;
1489                 }
1490
1491                 sta->sdata = vlansdata;
1492
1493                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1494                     prev_4addr != new_4addr) {
1495                         if (new_4addr)
1496                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1497                         else
1498                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1499                 }
1500
1501                 ieee80211_send_layer2_update(sta);
1502         }
1503
1504         err = sta_apply_parameters(local, sta, params);
1505         if (err)
1506                 goto out_err;
1507
1508         /* When peer becomes authorized, init rate control as well */
1509         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1510             test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1511                 rate_control_rate_init(sta);
1512
1513         mutex_unlock(&local->sta_mtx);
1514
1515         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1516             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1517                 ieee80211_recalc_ps(local, -1);
1518                 ieee80211_recalc_ps_vif(sdata);
1519         }
1520
1521         return 0;
1522 out_err:
1523         mutex_unlock(&local->sta_mtx);
1524         return err;
1525 }
1526
1527 #ifdef CONFIG_MAC80211_MESH
1528 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1529                                  u8 *dst, u8 *next_hop)
1530 {
1531         struct ieee80211_sub_if_data *sdata;
1532         struct mesh_path *mpath;
1533         struct sta_info *sta;
1534         int err;
1535
1536         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1537
1538         rcu_read_lock();
1539         sta = sta_info_get(sdata, next_hop);
1540         if (!sta) {
1541                 rcu_read_unlock();
1542                 return -ENOENT;
1543         }
1544
1545         err = mesh_path_add(sdata, dst);
1546         if (err) {
1547                 rcu_read_unlock();
1548                 return err;
1549         }
1550
1551         mpath = mesh_path_lookup(sdata, dst);
1552         if (!mpath) {
1553                 rcu_read_unlock();
1554                 return -ENXIO;
1555         }
1556         mesh_path_fix_nexthop(mpath, sta);
1557
1558         rcu_read_unlock();
1559         return 0;
1560 }
1561
1562 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1563                                u8 *dst)
1564 {
1565         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1566
1567         if (dst)
1568                 return mesh_path_del(sdata, dst);
1569
1570         mesh_path_flush_by_iface(sdata);
1571         return 0;
1572 }
1573
1574 static int ieee80211_change_mpath(struct wiphy *wiphy,
1575                                     struct net_device *dev,
1576                                     u8 *dst, u8 *next_hop)
1577 {
1578         struct ieee80211_sub_if_data *sdata;
1579         struct mesh_path *mpath;
1580         struct sta_info *sta;
1581
1582         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1583
1584         rcu_read_lock();
1585
1586         sta = sta_info_get(sdata, next_hop);
1587         if (!sta) {
1588                 rcu_read_unlock();
1589                 return -ENOENT;
1590         }
1591
1592         mpath = mesh_path_lookup(sdata, dst);
1593         if (!mpath) {
1594                 rcu_read_unlock();
1595                 return -ENOENT;
1596         }
1597
1598         mesh_path_fix_nexthop(mpath, sta);
1599
1600         rcu_read_unlock();
1601         return 0;
1602 }
1603
1604 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1605                             struct mpath_info *pinfo)
1606 {
1607         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1608
1609         if (next_hop_sta)
1610                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1611         else
1612                 memset(next_hop, 0, ETH_ALEN);
1613
1614         memset(pinfo, 0, sizeof(*pinfo));
1615
1616         pinfo->generation = mesh_paths_generation;
1617
1618         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1619                         MPATH_INFO_SN |
1620                         MPATH_INFO_METRIC |
1621                         MPATH_INFO_EXPTIME |
1622                         MPATH_INFO_DISCOVERY_TIMEOUT |
1623                         MPATH_INFO_DISCOVERY_RETRIES |
1624                         MPATH_INFO_FLAGS;
1625
1626         pinfo->frame_qlen = mpath->frame_queue.qlen;
1627         pinfo->sn = mpath->sn;
1628         pinfo->metric = mpath->metric;
1629         if (time_before(jiffies, mpath->exp_time))
1630                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1631         pinfo->discovery_timeout =
1632                         jiffies_to_msecs(mpath->discovery_timeout);
1633         pinfo->discovery_retries = mpath->discovery_retries;
1634         if (mpath->flags & MESH_PATH_ACTIVE)
1635                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1636         if (mpath->flags & MESH_PATH_RESOLVING)
1637                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1638         if (mpath->flags & MESH_PATH_SN_VALID)
1639                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1640         if (mpath->flags & MESH_PATH_FIXED)
1641                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1642         if (mpath->flags & MESH_PATH_RESOLVED)
1643                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1644 }
1645
1646 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1647                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1648
1649 {
1650         struct ieee80211_sub_if_data *sdata;
1651         struct mesh_path *mpath;
1652
1653         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1654
1655         rcu_read_lock();
1656         mpath = mesh_path_lookup(sdata, dst);
1657         if (!mpath) {
1658                 rcu_read_unlock();
1659                 return -ENOENT;
1660         }
1661         memcpy(dst, mpath->dst, ETH_ALEN);
1662         mpath_set_pinfo(mpath, next_hop, pinfo);
1663         rcu_read_unlock();
1664         return 0;
1665 }
1666
1667 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1668                                  int idx, u8 *dst, u8 *next_hop,
1669                                  struct mpath_info *pinfo)
1670 {
1671         struct ieee80211_sub_if_data *sdata;
1672         struct mesh_path *mpath;
1673
1674         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1675
1676         rcu_read_lock();
1677         mpath = mesh_path_lookup_by_idx(sdata, idx);
1678         if (!mpath) {
1679                 rcu_read_unlock();
1680                 return -ENOENT;
1681         }
1682         memcpy(dst, mpath->dst, ETH_ALEN);
1683         mpath_set_pinfo(mpath, next_hop, pinfo);
1684         rcu_read_unlock();
1685         return 0;
1686 }
1687
1688 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1689                                 struct net_device *dev,
1690                                 struct mesh_config *conf)
1691 {
1692         struct ieee80211_sub_if_data *sdata;
1693         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1694
1695         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1696         return 0;
1697 }
1698
1699 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1700 {
1701         return (mask >> (parm-1)) & 0x1;
1702 }
1703
1704 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1705                 const struct mesh_setup *setup)
1706 {
1707         u8 *new_ie;
1708         const u8 *old_ie;
1709         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1710                                         struct ieee80211_sub_if_data, u.mesh);
1711
1712         /* allocate information elements */
1713         new_ie = NULL;
1714         old_ie = ifmsh->ie;
1715
1716         if (setup->ie_len) {
1717                 new_ie = kmemdup(setup->ie, setup->ie_len,
1718                                 GFP_KERNEL);
1719                 if (!new_ie)
1720                         return -ENOMEM;
1721         }
1722         ifmsh->ie_len = setup->ie_len;
1723         ifmsh->ie = new_ie;
1724         kfree(old_ie);
1725
1726         /* now copy the rest of the setup parameters */
1727         ifmsh->mesh_id_len = setup->mesh_id_len;
1728         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1729         ifmsh->mesh_sp_id = setup->sync_method;
1730         ifmsh->mesh_pp_id = setup->path_sel_proto;
1731         ifmsh->mesh_pm_id = setup->path_metric;
1732         ifmsh->user_mpm = setup->user_mpm;
1733         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1734         if (setup->is_authenticated)
1735                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1736         if (setup->is_secure)
1737                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1738
1739         /* mcast rate setting in Mesh Node */
1740         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1741                                                 sizeof(setup->mcast_rate));
1742
1743         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1744         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1745
1746         return 0;
1747 }
1748
1749 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1750                                         struct net_device *dev, u32 mask,
1751                                         const struct mesh_config *nconf)
1752 {
1753         struct mesh_config *conf;
1754         struct ieee80211_sub_if_data *sdata;
1755         struct ieee80211_if_mesh *ifmsh;
1756
1757         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1758         ifmsh = &sdata->u.mesh;
1759
1760         /* Set the config options which we are interested in setting */
1761         conf = &(sdata->u.mesh.mshcfg);
1762         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1763                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1764         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1765                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1766         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1767                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1768         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1769                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1770         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1771                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1772         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1773                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1774         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1775                 conf->element_ttl = nconf->element_ttl;
1776         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1777                 if (ifmsh->user_mpm)
1778                         return -EBUSY;
1779                 conf->auto_open_plinks = nconf->auto_open_plinks;
1780         }
1781         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1782                 conf->dot11MeshNbrOffsetMaxNeighbor =
1783                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1784         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1785                 conf->dot11MeshHWMPmaxPREQretries =
1786                         nconf->dot11MeshHWMPmaxPREQretries;
1787         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1788                 conf->path_refresh_time = nconf->path_refresh_time;
1789         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1790                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1791         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1792                 conf->dot11MeshHWMPactivePathTimeout =
1793                         nconf->dot11MeshHWMPactivePathTimeout;
1794         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1795                 conf->dot11MeshHWMPpreqMinInterval =
1796                         nconf->dot11MeshHWMPpreqMinInterval;
1797         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1798                 conf->dot11MeshHWMPperrMinInterval =
1799                         nconf->dot11MeshHWMPperrMinInterval;
1800         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1801                            mask))
1802                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1803                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1804         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1805                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1806                 ieee80211_mesh_root_setup(ifmsh);
1807         }
1808         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1809                 /* our current gate announcement implementation rides on root
1810                  * announcements, so require this ifmsh to also be a root node
1811                  * */
1812                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1813                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1814                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1815                         ieee80211_mesh_root_setup(ifmsh);
1816                 }
1817                 conf->dot11MeshGateAnnouncementProtocol =
1818                         nconf->dot11MeshGateAnnouncementProtocol;
1819         }
1820         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1821                 conf->dot11MeshHWMPRannInterval =
1822                         nconf->dot11MeshHWMPRannInterval;
1823         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1824                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1825         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1826                 /* our RSSI threshold implementation is supported only for
1827                  * devices that report signal in dBm.
1828                  */
1829                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1830                         return -ENOTSUPP;
1831                 conf->rssi_threshold = nconf->rssi_threshold;
1832         }
1833         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1834                 conf->ht_opmode = nconf->ht_opmode;
1835                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1836                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1837         }
1838         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1839                 conf->dot11MeshHWMPactivePathToRootTimeout =
1840                         nconf->dot11MeshHWMPactivePathToRootTimeout;
1841         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1842                 conf->dot11MeshHWMProotInterval =
1843                         nconf->dot11MeshHWMProotInterval;
1844         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1845                 conf->dot11MeshHWMPconfirmationInterval =
1846                         nconf->dot11MeshHWMPconfirmationInterval;
1847         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1848                 conf->power_mode = nconf->power_mode;
1849                 ieee80211_mps_local_status_update(sdata);
1850         }
1851         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1852                 conf->dot11MeshAwakeWindowDuration =
1853                         nconf->dot11MeshAwakeWindowDuration;
1854         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1855         return 0;
1856 }
1857
1858 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1859                                const struct mesh_config *conf,
1860                                const struct mesh_setup *setup)
1861 {
1862         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1863         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1864         int err;
1865
1866         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1867         err = copy_mesh_setup(ifmsh, setup);
1868         if (err)
1869                 return err;
1870
1871         /* can mesh use other SMPS modes? */
1872         sdata->smps_mode = IEEE80211_SMPS_OFF;
1873         sdata->needed_rx_chains = sdata->local->rx_chains;
1874
1875         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1876                                         IEEE80211_CHANCTX_SHARED);
1877         if (err)
1878                 return err;
1879
1880         return ieee80211_start_mesh(sdata);
1881 }
1882
1883 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1884 {
1885         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1886
1887         ieee80211_stop_mesh(sdata);
1888         ieee80211_vif_release_channel(sdata);
1889
1890         return 0;
1891 }
1892 #endif
1893
1894 static int ieee80211_change_bss(struct wiphy *wiphy,
1895                                 struct net_device *dev,
1896                                 struct bss_parameters *params)
1897 {
1898         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1899         enum ieee80211_band band;
1900         u32 changed = 0;
1901
1902         if (!rtnl_dereference(sdata->u.ap.beacon))
1903                 return -ENOENT;
1904
1905         band = ieee80211_get_sdata_band(sdata);
1906
1907         if (params->use_cts_prot >= 0) {
1908                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1909                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1910         }
1911         if (params->use_short_preamble >= 0) {
1912                 sdata->vif.bss_conf.use_short_preamble =
1913                         params->use_short_preamble;
1914                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1915         }
1916
1917         if (!sdata->vif.bss_conf.use_short_slot &&
1918             band == IEEE80211_BAND_5GHZ) {
1919                 sdata->vif.bss_conf.use_short_slot = true;
1920                 changed |= BSS_CHANGED_ERP_SLOT;
1921         }
1922
1923         if (params->use_short_slot_time >= 0) {
1924                 sdata->vif.bss_conf.use_short_slot =
1925                         params->use_short_slot_time;
1926                 changed |= BSS_CHANGED_ERP_SLOT;
1927         }
1928
1929         if (params->basic_rates) {
1930                 int i, j;
1931                 u32 rates = 0;
1932                 struct ieee80211_supported_band *sband = wiphy->bands[band];
1933
1934                 for (i = 0; i < params->basic_rates_len; i++) {
1935                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1936                         for (j = 0; j < sband->n_bitrates; j++) {
1937                                 if (sband->bitrates[j].bitrate == rate)
1938                                         rates |= BIT(j);
1939                         }
1940                 }
1941                 sdata->vif.bss_conf.basic_rates = rates;
1942                 changed |= BSS_CHANGED_BASIC_RATES;
1943         }
1944
1945         if (params->ap_isolate >= 0) {
1946                 if (params->ap_isolate)
1947                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1948                 else
1949                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1950         }
1951
1952         if (params->ht_opmode >= 0) {
1953                 sdata->vif.bss_conf.ht_operation_mode =
1954                         (u16) params->ht_opmode;
1955                 changed |= BSS_CHANGED_HT;
1956         }
1957
1958         if (params->p2p_ctwindow >= 0) {
1959                 sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;
1960                 changed |= BSS_CHANGED_P2P_PS;
1961         }
1962
1963         if (params->p2p_opp_ps >= 0) {
1964                 sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;
1965                 changed |= BSS_CHANGED_P2P_PS;
1966         }
1967
1968         ieee80211_bss_info_change_notify(sdata, changed);
1969
1970         return 0;
1971 }
1972
1973 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1974                                     struct net_device *dev,
1975                                     struct ieee80211_txq_params *params)
1976 {
1977         struct ieee80211_local *local = wiphy_priv(wiphy);
1978         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1979         struct ieee80211_tx_queue_params p;
1980
1981         if (!local->ops->conf_tx)
1982                 return -EOPNOTSUPP;
1983
1984         if (local->hw.queues < IEEE80211_NUM_ACS)
1985                 return -EOPNOTSUPP;
1986
1987         memset(&p, 0, sizeof(p));
1988         p.aifs = params->aifs;
1989         p.cw_max = params->cwmax;
1990         p.cw_min = params->cwmin;
1991         p.txop = params->txop;
1992
1993         /*
1994          * Setting tx queue params disables u-apsd because it's only
1995          * called in master mode.
1996          */
1997         p.uapsd = false;
1998
1999         sdata->tx_conf[params->ac] = p;
2000         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2001                 wiphy_debug(local->hw.wiphy,
2002                             "failed to set TX queue parameters for AC %d\n",
2003                             params->ac);
2004                 return -EINVAL;
2005         }
2006
2007         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2008
2009         return 0;
2010 }
2011
2012 #ifdef CONFIG_PM
2013 static int ieee80211_suspend(struct wiphy *wiphy,
2014                              struct cfg80211_wowlan *wowlan)
2015 {
2016         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2017 }
2018
2019 static int ieee80211_resume(struct wiphy *wiphy)
2020 {
2021         return __ieee80211_resume(wiphy_priv(wiphy));
2022 }
2023 #else
2024 #define ieee80211_suspend NULL
2025 #define ieee80211_resume NULL
2026 #endif
2027
2028 static int ieee80211_scan(struct wiphy *wiphy,
2029                           struct cfg80211_scan_request *req)
2030 {
2031         struct ieee80211_sub_if_data *sdata;
2032
2033         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2034
2035         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2036         case NL80211_IFTYPE_STATION:
2037         case NL80211_IFTYPE_ADHOC:
2038         case NL80211_IFTYPE_MESH_POINT:
2039         case NL80211_IFTYPE_P2P_CLIENT:
2040         case NL80211_IFTYPE_P2P_DEVICE:
2041                 break;
2042         case NL80211_IFTYPE_P2P_GO:
2043                 if (sdata->local->ops->hw_scan)
2044                         break;
2045                 /*
2046                  * FIXME: implement NoA while scanning in software,
2047                  * for now fall through to allow scanning only when
2048                  * beaconing hasn't been configured yet
2049                  */
2050         case NL80211_IFTYPE_AP:
2051                 /*
2052                  * If the scan has been forced (and the driver supports
2053                  * forcing), don't care about being beaconing already.
2054                  * This will create problems to the attached stations (e.g. all
2055                  * the  frames sent while scanning on other channel will be
2056                  * lost)
2057                  */
2058                 if (sdata->u.ap.beacon &&
2059                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2060                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2061                         return -EOPNOTSUPP;
2062                 break;
2063         default:
2064                 return -EOPNOTSUPP;
2065         }
2066
2067         return ieee80211_request_scan(sdata, req);
2068 }
2069
2070 static int
2071 ieee80211_sched_scan_start(struct wiphy *wiphy,
2072                            struct net_device *dev,
2073                            struct cfg80211_sched_scan_request *req)
2074 {
2075         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2076
2077         if (!sdata->local->ops->sched_scan_start)
2078                 return -EOPNOTSUPP;
2079
2080         return ieee80211_request_sched_scan_start(sdata, req);
2081 }
2082
2083 static int
2084 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2085 {
2086         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2087
2088         if (!sdata->local->ops->sched_scan_stop)
2089                 return -EOPNOTSUPP;
2090
2091         return ieee80211_request_sched_scan_stop(sdata);
2092 }
2093
2094 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2095                           struct cfg80211_auth_request *req)
2096 {
2097         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2098 }
2099
2100 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2101                            struct cfg80211_assoc_request *req)
2102 {
2103         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2104 }
2105
2106 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2107                             struct cfg80211_deauth_request *req)
2108 {
2109         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2110 }
2111
2112 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2113                               struct cfg80211_disassoc_request *req)
2114 {
2115         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2116 }
2117
2118 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2119                                struct cfg80211_ibss_params *params)
2120 {
2121         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2122 }
2123
2124 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2125 {
2126         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2127 }
2128
2129 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2130                                     int rate[IEEE80211_NUM_BANDS])
2131 {
2132         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2133
2134         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2135                sizeof(int) * IEEE80211_NUM_BANDS);
2136
2137         return 0;
2138 }
2139
2140 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2141 {
2142         struct ieee80211_local *local = wiphy_priv(wiphy);
2143         int err;
2144
2145         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2146                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2147
2148                 if (err)
2149                         return err;
2150         }
2151
2152         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2153                 err = drv_set_coverage_class(local, wiphy->coverage_class);
2154
2155                 if (err)
2156                         return err;
2157         }
2158
2159         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2160                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2161
2162                 if (err)
2163                         return err;
2164         }
2165
2166         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2167                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2168                         return -EINVAL;
2169                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2170         }
2171         if (changed & WIPHY_PARAM_RETRY_LONG) {
2172                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2173                         return -EINVAL;
2174                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2175         }
2176         if (changed &
2177             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2178                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2179
2180         return 0;
2181 }
2182
2183 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2184                                   struct wireless_dev *wdev,
2185                                   enum nl80211_tx_power_setting type, int mbm)
2186 {
2187         struct ieee80211_local *local = wiphy_priv(wiphy);
2188         struct ieee80211_sub_if_data *sdata;
2189
2190         if (wdev) {
2191                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2192
2193                 switch (type) {
2194                 case NL80211_TX_POWER_AUTOMATIC:
2195                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2196                         break;
2197                 case NL80211_TX_POWER_LIMITED:
2198                 case NL80211_TX_POWER_FIXED:
2199                         if (mbm < 0 || (mbm % 100))
2200                                 return -EOPNOTSUPP;
2201                         sdata->user_power_level = MBM_TO_DBM(mbm);
2202                         break;
2203                 }
2204
2205                 ieee80211_recalc_txpower(sdata);
2206
2207                 return 0;
2208         }
2209
2210         switch (type) {
2211         case NL80211_TX_POWER_AUTOMATIC:
2212                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2213                 break;
2214         case NL80211_TX_POWER_LIMITED:
2215         case NL80211_TX_POWER_FIXED:
2216                 if (mbm < 0 || (mbm % 100))
2217                         return -EOPNOTSUPP;
2218                 local->user_power_level = MBM_TO_DBM(mbm);
2219                 break;
2220         }
2221
2222         mutex_lock(&local->iflist_mtx);
2223         list_for_each_entry(sdata, &local->interfaces, list)
2224                 sdata->user_power_level = local->user_power_level;
2225         list_for_each_entry(sdata, &local->interfaces, list)
2226                 ieee80211_recalc_txpower(sdata);
2227         mutex_unlock(&local->iflist_mtx);
2228
2229         return 0;
2230 }
2231
2232 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2233                                   struct wireless_dev *wdev,
2234                                   int *dbm)
2235 {
2236         struct ieee80211_local *local = wiphy_priv(wiphy);
2237         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2238
2239         if (!local->use_chanctx)
2240                 *dbm = local->hw.conf.power_level;
2241         else
2242                 *dbm = sdata->vif.bss_conf.txpower;
2243
2244         return 0;
2245 }
2246
2247 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2248                                   const u8 *addr)
2249 {
2250         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2251
2252         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2253
2254         return 0;
2255 }
2256
2257 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2258 {
2259         struct ieee80211_local *local = wiphy_priv(wiphy);
2260
2261         drv_rfkill_poll(local);
2262 }
2263
2264 #ifdef CONFIG_NL80211_TESTMODE
2265 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2266 {
2267         struct ieee80211_local *local = wiphy_priv(wiphy);
2268
2269         if (!local->ops->testmode_cmd)
2270                 return -EOPNOTSUPP;
2271
2272         return local->ops->testmode_cmd(&local->hw, data, len);
2273 }
2274
2275 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2276                                    struct sk_buff *skb,
2277                                    struct netlink_callback *cb,
2278                                    void *data, int len)
2279 {
2280         struct ieee80211_local *local = wiphy_priv(wiphy);
2281
2282         if (!local->ops->testmode_dump)
2283                 return -EOPNOTSUPP;
2284
2285         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2286 }
2287 #endif
2288
2289 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2290                              enum ieee80211_smps_mode smps_mode)
2291 {
2292         const u8 *ap;
2293         enum ieee80211_smps_mode old_req;
2294         int err;
2295
2296         lockdep_assert_held(&sdata->u.mgd.mtx);
2297
2298         old_req = sdata->u.mgd.req_smps;
2299         sdata->u.mgd.req_smps = smps_mode;
2300
2301         if (old_req == smps_mode &&
2302             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2303                 return 0;
2304
2305         /*
2306          * If not associated, or current association is not an HT
2307          * association, there's no need to do anything, just store
2308          * the new value until we associate.
2309          */
2310         if (!sdata->u.mgd.associated ||
2311             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2312                 return 0;
2313
2314         ap = sdata->u.mgd.associated->bssid;
2315
2316         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2317                 if (sdata->u.mgd.powersave)
2318                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2319                 else
2320                         smps_mode = IEEE80211_SMPS_OFF;
2321         }
2322
2323         /* send SM PS frame to AP */
2324         err = ieee80211_send_smps_action(sdata, smps_mode,
2325                                          ap, ap);
2326         if (err)
2327                 sdata->u.mgd.req_smps = old_req;
2328
2329         return err;
2330 }
2331
2332 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2333                                     bool enabled, int timeout)
2334 {
2335         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2336         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2337
2338         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2339             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2340                 return -EOPNOTSUPP;
2341
2342         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2343                 return -EOPNOTSUPP;
2344
2345         if (enabled == sdata->u.mgd.powersave &&
2346             timeout == local->dynamic_ps_forced_timeout)
2347                 return 0;
2348
2349         sdata->u.mgd.powersave = enabled;
2350         local->dynamic_ps_forced_timeout = timeout;
2351
2352         /* no change, but if automatic follow powersave */
2353         mutex_lock(&sdata->u.mgd.mtx);
2354         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2355         mutex_unlock(&sdata->u.mgd.mtx);
2356
2357         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2358                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2359
2360         ieee80211_recalc_ps(local, -1);
2361         ieee80211_recalc_ps_vif(sdata);
2362
2363         return 0;
2364 }
2365
2366 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2367                                          struct net_device *dev,
2368                                          s32 rssi_thold, u32 rssi_hyst)
2369 {
2370         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2371         struct ieee80211_vif *vif = &sdata->vif;
2372         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2373
2374         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2375             rssi_hyst == bss_conf->cqm_rssi_hyst)
2376                 return 0;
2377
2378         bss_conf->cqm_rssi_thold = rssi_thold;
2379         bss_conf->cqm_rssi_hyst = rssi_hyst;
2380
2381         /* tell the driver upon association, unless already associated */
2382         if (sdata->u.mgd.associated &&
2383             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2384                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2385
2386         return 0;
2387 }
2388
2389 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2390                                       struct net_device *dev,
2391                                       const u8 *addr,
2392                                       const struct cfg80211_bitrate_mask *mask)
2393 {
2394         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2395         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2396         int i, ret;
2397
2398         if (!ieee80211_sdata_running(sdata))
2399                 return -ENETDOWN;
2400
2401         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2402                 ret = drv_set_bitrate_mask(local, sdata, mask);
2403                 if (ret)
2404                         return ret;
2405         }
2406
2407         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2408                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2409                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2410                        sizeof(mask->control[i].mcs));
2411         }
2412
2413         return 0;
2414 }
2415
2416 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2417                                     struct ieee80211_sub_if_data *sdata,
2418                                     struct ieee80211_channel *channel,
2419                                     unsigned int duration, u64 *cookie,
2420                                     struct sk_buff *txskb,
2421                                     enum ieee80211_roc_type type)
2422 {
2423         struct ieee80211_roc_work *roc, *tmp;
2424         bool queued = false;
2425         int ret;
2426
2427         lockdep_assert_held(&local->mtx);
2428
2429         if (local->use_chanctx && !local->ops->remain_on_channel)
2430                 return -EOPNOTSUPP;
2431
2432         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2433         if (!roc)
2434                 return -ENOMEM;
2435
2436         roc->chan = channel;
2437         roc->duration = duration;
2438         roc->req_duration = duration;
2439         roc->frame = txskb;
2440         roc->type = type;
2441         roc->mgmt_tx_cookie = (unsigned long)txskb;
2442         roc->sdata = sdata;
2443         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2444         INIT_LIST_HEAD(&roc->dependents);
2445
2446         /* if there's one pending or we're scanning, queue this one */
2447         if (!list_empty(&local->roc_list) ||
2448             local->scanning || local->radar_detect_enabled)
2449                 goto out_check_combine;
2450
2451         /* if not HW assist, just queue & schedule work */
2452         if (!local->ops->remain_on_channel) {
2453                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2454                 goto out_queue;
2455         }
2456
2457         /* otherwise actually kick it off here (for error handling) */
2458
2459         /*
2460          * If the duration is zero, then the driver
2461          * wouldn't actually do anything. Set it to
2462          * 10 for now.
2463          *
2464          * TODO: cancel the off-channel operation
2465          *       when we get the SKB's TX status and
2466          *       the wait time was zero before.
2467          */
2468         if (!duration)
2469                 duration = 10;
2470
2471         ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2472         if (ret) {
2473                 kfree(roc);
2474                 return ret;
2475         }
2476
2477         roc->started = true;
2478         goto out_queue;
2479
2480  out_check_combine:
2481         list_for_each_entry(tmp, &local->roc_list, list) {
2482                 if (tmp->chan != channel || tmp->sdata != sdata)
2483                         continue;
2484
2485                 /*
2486                  * Extend this ROC if possible:
2487                  *
2488                  * If it hasn't started yet, just increase the duration
2489                  * and add the new one to the list of dependents.
2490                  * If the type of the new ROC has higher priority, modify the
2491                  * type of the previous one to match that of the new one.
2492                  */
2493                 if (!tmp->started) {
2494                         list_add_tail(&roc->list, &tmp->dependents);
2495                         tmp->duration = max(tmp->duration, roc->duration);
2496                         tmp->type = max(tmp->type, roc->type);
2497                         queued = true;
2498                         break;
2499                 }
2500
2501                 /* If it has already started, it's more difficult ... */
2502                 if (local->ops->remain_on_channel) {
2503                         unsigned long j = jiffies;
2504
2505                         /*
2506                          * In the offloaded ROC case, if it hasn't begun, add
2507                          * this new one to the dependent list to be handled
2508                          * when the master one begins. If it has begun,
2509                          * check that there's still a minimum time left and
2510                          * if so, start this one, transmitting the frame, but
2511                          * add it to the list directly after this one with
2512                          * a reduced time so we'll ask the driver to execute
2513                          * it right after finishing the previous one, in the
2514                          * hope that it'll also be executed right afterwards,
2515                          * effectively extending the old one.
2516                          * If there's no minimum time left, just add it to the
2517                          * normal list.
2518                          * TODO: the ROC type is ignored here, assuming that it
2519                          * is better to immediately use the current ROC.
2520                          */
2521                         if (!tmp->hw_begun) {
2522                                 list_add_tail(&roc->list, &tmp->dependents);
2523                                 queued = true;
2524                                 break;
2525                         }
2526
2527                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2528                                         tmp->hw_start_time +
2529                                         msecs_to_jiffies(tmp->duration))) {
2530                                 int new_dur;
2531
2532                                 ieee80211_handle_roc_started(roc);
2533
2534                                 new_dur = roc->duration -
2535                                           jiffies_to_msecs(tmp->hw_start_time +
2536                                                            msecs_to_jiffies(
2537                                                                 tmp->duration) -
2538                                                            j);
2539
2540                                 if (new_dur > 0) {
2541                                         /* add right after tmp */
2542                                         list_add(&roc->list, &tmp->list);
2543                                 } else {
2544                                         list_add_tail(&roc->list,
2545                                                       &tmp->dependents);
2546                                 }
2547                                 queued = true;
2548                         }
2549                 } else if (del_timer_sync(&tmp->work.timer)) {
2550                         unsigned long new_end;
2551
2552                         /*
2553                          * In the software ROC case, cancel the timer, if
2554                          * that fails then the finish work is already
2555                          * queued/pending and thus we queue the new ROC
2556                          * normally, if that succeeds then we can extend
2557                          * the timer duration and TX the frame (if any.)
2558                          */
2559
2560                         list_add_tail(&roc->list, &tmp->dependents);
2561                         queued = true;
2562
2563                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2564
2565                         /* ok, it was started & we canceled timer */
2566                         if (time_after(new_end, tmp->work.timer.expires))
2567                                 mod_timer(&tmp->work.timer, new_end);
2568                         else
2569                                 add_timer(&tmp->work.timer);
2570
2571                         ieee80211_handle_roc_started(roc);
2572                 }
2573                 break;
2574         }
2575
2576  out_queue:
2577         if (!queued)
2578                 list_add_tail(&roc->list, &local->roc_list);
2579
2580         /*
2581          * cookie is either the roc cookie (for normal roc)
2582          * or the SKB (for mgmt TX)
2583          */
2584         if (!txskb) {
2585                 /* local->mtx protects this */
2586                 local->roc_cookie_counter++;
2587                 roc->cookie = local->roc_cookie_counter;
2588                 /* wow, you wrapped 64 bits ... more likely a bug */
2589                 if (WARN_ON(roc->cookie == 0)) {
2590                         roc->cookie = 1;
2591                         local->roc_cookie_counter++;
2592                 }
2593                 *cookie = roc->cookie;
2594         } else {
2595                 *cookie = (unsigned long)txskb;
2596         }
2597
2598         return 0;
2599 }
2600
2601 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2602                                        struct wireless_dev *wdev,
2603                                        struct ieee80211_channel *chan,
2604                                        unsigned int duration,
2605                                        u64 *cookie)
2606 {
2607         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2608         struct ieee80211_local *local = sdata->local;
2609         int ret;
2610
2611         mutex_lock(&local->mtx);
2612         ret = ieee80211_start_roc_work(local, sdata, chan,
2613                                        duration, cookie, NULL,
2614                                        IEEE80211_ROC_TYPE_NORMAL);
2615         mutex_unlock(&local->mtx);
2616
2617         return ret;
2618 }
2619
2620 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2621                                 u64 cookie, bool mgmt_tx)
2622 {
2623         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2624         int ret;
2625
2626         mutex_lock(&local->mtx);
2627         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2628                 struct ieee80211_roc_work *dep, *tmp2;
2629
2630                 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2631                         if (!mgmt_tx && dep->cookie != cookie)
2632                                 continue;
2633                         else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2634                                 continue;
2635                         /* found dependent item -- just remove it */
2636                         list_del(&dep->list);
2637                         mutex_unlock(&local->mtx);
2638
2639                         ieee80211_roc_notify_destroy(dep, true);
2640                         return 0;
2641                 }
2642
2643                 if (!mgmt_tx && roc->cookie != cookie)
2644                         continue;
2645                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2646                         continue;
2647
2648                 found = roc;
2649                 break;
2650         }
2651
2652         if (!found) {
2653                 mutex_unlock(&local->mtx);
2654                 return -ENOENT;
2655         }
2656
2657         /*
2658          * We found the item to cancel, so do that. Note that it
2659          * may have dependents, which we also cancel (and send
2660          * the expired signal for.) Not doing so would be quite
2661          * tricky here, but we may need to fix it later.
2662          */
2663
2664         if (local->ops->remain_on_channel) {
2665                 if (found->started) {
2666                         ret = drv_cancel_remain_on_channel(local);
2667                         if (WARN_ON_ONCE(ret)) {
2668                                 mutex_unlock(&local->mtx);
2669                                 return ret;
2670                         }
2671                 }
2672
2673                 list_del(&found->list);
2674
2675                 if (found->started)
2676                         ieee80211_start_next_roc(local);
2677                 mutex_unlock(&local->mtx);
2678
2679                 ieee80211_roc_notify_destroy(found, true);
2680         } else {
2681                 /* work may be pending so use it all the time */
2682                 found->abort = true;
2683                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2684
2685                 mutex_unlock(&local->mtx);
2686
2687                 /* work will clean up etc */
2688                 flush_delayed_work(&found->work);
2689                 WARN_ON(!found->to_be_freed);
2690                 kfree(found);
2691         }
2692
2693         return 0;
2694 }
2695
2696 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2697                                               struct wireless_dev *wdev,
2698                                               u64 cookie)
2699 {
2700         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2701         struct ieee80211_local *local = sdata->local;
2702
2703         return ieee80211_cancel_roc(local, cookie, false);
2704 }
2705
2706 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2707                                            struct net_device *dev,
2708                                            struct cfg80211_chan_def *chandef)
2709 {
2710         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2711         struct ieee80211_local *local = sdata->local;
2712         unsigned long timeout;
2713         int err;
2714
2715         if (!list_empty(&local->roc_list) || local->scanning)
2716                 return -EBUSY;
2717
2718         /* whatever, but channel contexts should not complain about that one */
2719         sdata->smps_mode = IEEE80211_SMPS_OFF;
2720         sdata->needed_rx_chains = local->rx_chains;
2721         sdata->radar_required = true;
2722
2723         mutex_lock(&local->iflist_mtx);
2724         err = ieee80211_vif_use_channel(sdata, chandef,
2725                                         IEEE80211_CHANCTX_SHARED);
2726         mutex_unlock(&local->iflist_mtx);
2727         if (err)
2728                 return err;
2729
2730         timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2731         ieee80211_queue_delayed_work(&sdata->local->hw,
2732                                      &sdata->dfs_cac_timer_work, timeout);
2733
2734         return 0;
2735 }
2736
2737 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2738                              struct ieee80211_channel *chan, bool offchan,
2739                              unsigned int wait, const u8 *buf, size_t len,
2740                              bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2741 {
2742         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2743         struct ieee80211_local *local = sdata->local;
2744         struct sk_buff *skb;
2745         struct sta_info *sta;
2746         const struct ieee80211_mgmt *mgmt = (void *)buf;
2747         bool need_offchan = false;
2748         u32 flags;
2749         int ret;
2750
2751         if (dont_wait_for_ack)
2752                 flags = IEEE80211_TX_CTL_NO_ACK;
2753         else
2754                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2755                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2756
2757         if (no_cck)
2758                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2759
2760         switch (sdata->vif.type) {
2761         case NL80211_IFTYPE_ADHOC:
2762                 if (!sdata->vif.bss_conf.ibss_joined)
2763                         need_offchan = true;
2764                 /* fall through */
2765 #ifdef CONFIG_MAC80211_MESH
2766         case NL80211_IFTYPE_MESH_POINT:
2767                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2768                     !sdata->u.mesh.mesh_id_len)
2769                         need_offchan = true;
2770                 /* fall through */
2771 #endif
2772         case NL80211_IFTYPE_AP:
2773         case NL80211_IFTYPE_AP_VLAN:
2774         case NL80211_IFTYPE_P2P_GO:
2775                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2776                     !ieee80211_vif_is_mesh(&sdata->vif) &&
2777                     !rcu_access_pointer(sdata->bss->beacon))
2778                         need_offchan = true;
2779                 if (!ieee80211_is_action(mgmt->frame_control) ||
2780                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2781                         break;
2782                 rcu_read_lock();
2783                 sta = sta_info_get(sdata, mgmt->da);
2784                 rcu_read_unlock();
2785                 if (!sta)
2786                         return -ENOLINK;
2787                 break;
2788         case NL80211_IFTYPE_STATION:
2789         case NL80211_IFTYPE_P2P_CLIENT:
2790                 if (!sdata->u.mgd.associated)
2791                         need_offchan = true;
2792                 break;
2793         case NL80211_IFTYPE_P2P_DEVICE:
2794                 need_offchan = true;
2795                 break;
2796         default:
2797                 return -EOPNOTSUPP;
2798         }
2799
2800         mutex_lock(&local->mtx);
2801
2802         /* Check if the operating channel is the requested channel */
2803         if (!need_offchan) {
2804                 struct ieee80211_chanctx_conf *chanctx_conf;
2805
2806                 rcu_read_lock();
2807                 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2808
2809                 if (chanctx_conf)
2810                         need_offchan = chan != chanctx_conf->def.chan;
2811                 else
2812                         need_offchan = true;
2813                 rcu_read_unlock();
2814         }
2815
2816         if (need_offchan && !offchan) {
2817                 ret = -EBUSY;
2818                 goto out_unlock;
2819         }
2820
2821         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2822         if (!skb) {
2823                 ret = -ENOMEM;
2824                 goto out_unlock;
2825         }
2826         skb_reserve(skb, local->hw.extra_tx_headroom);
2827
2828         memcpy(skb_put(skb, len), buf, len);
2829
2830         IEEE80211_SKB_CB(skb)->flags = flags;
2831
2832         skb->dev = sdata->dev;
2833
2834         if (!need_offchan) {
2835                 *cookie = (unsigned long) skb;
2836                 ieee80211_tx_skb(sdata, skb);
2837                 ret = 0;
2838                 goto out_unlock;
2839         }
2840
2841         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2842                                         IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2843         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2844                 IEEE80211_SKB_CB(skb)->hw_queue =
2845                         local->hw.offchannel_tx_hw_queue;
2846
2847         /* This will handle all kinds of coalescing and immediate TX */
2848         ret = ieee80211_start_roc_work(local, sdata, chan,
2849                                        wait, cookie, skb,
2850                                        IEEE80211_ROC_TYPE_MGMT_TX);
2851         if (ret)
2852                 kfree_skb(skb);
2853  out_unlock:
2854         mutex_unlock(&local->mtx);
2855         return ret;
2856 }
2857
2858 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2859                                          struct wireless_dev *wdev,
2860                                          u64 cookie)
2861 {
2862         struct ieee80211_local *local = wiphy_priv(wiphy);
2863
2864         return ieee80211_cancel_roc(local, cookie, true);
2865 }
2866
2867 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2868                                           struct wireless_dev *wdev,
2869                                           u16 frame_type, bool reg)
2870 {
2871         struct ieee80211_local *local = wiphy_priv(wiphy);
2872         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2873
2874         switch (frame_type) {
2875         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH:
2876                 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
2877                         struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
2878
2879                         if (reg)
2880                                 ifibss->auth_frame_registrations++;
2881                         else
2882                                 ifibss->auth_frame_registrations--;
2883                 }
2884                 break;
2885         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2886                 if (reg)
2887                         local->probe_req_reg++;
2888                 else
2889                         local->probe_req_reg--;
2890
2891                 if (!local->open_count)
2892                         break;
2893
2894                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2895                 break;
2896         default:
2897                 break;
2898         }
2899 }
2900
2901 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2902 {
2903         struct ieee80211_local *local = wiphy_priv(wiphy);
2904
2905         if (local->started)
2906                 return -EOPNOTSUPP;
2907
2908         return drv_set_antenna(local, tx_ant, rx_ant);
2909 }
2910
2911 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2912 {
2913         struct ieee80211_local *local = wiphy_priv(wiphy);
2914
2915         return drv_get_antenna(local, tx_ant, rx_ant);
2916 }
2917
2918 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2919 {
2920         struct ieee80211_local *local = wiphy_priv(wiphy);
2921
2922         return drv_set_ringparam(local, tx, rx);
2923 }
2924
2925 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2926                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2927 {
2928         struct ieee80211_local *local = wiphy_priv(wiphy);
2929
2930         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2931 }
2932
2933 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2934                                     struct net_device *dev,
2935                                     struct cfg80211_gtk_rekey_data *data)
2936 {
2937         struct ieee80211_local *local = wiphy_priv(wiphy);
2938         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2939
2940         if (!local->ops->set_rekey_data)
2941                 return -EOPNOTSUPP;
2942
2943         drv_set_rekey_data(local, sdata, data);
2944
2945         return 0;
2946 }
2947
2948 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2949 {
2950         u8 *pos = (void *)skb_put(skb, 7);
2951
2952         *pos++ = WLAN_EID_EXT_CAPABILITY;
2953         *pos++ = 5; /* len */
2954         *pos++ = 0x0;
2955         *pos++ = 0x0;
2956         *pos++ = 0x0;
2957         *pos++ = 0x0;
2958         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2959 }
2960
2961 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2962 {
2963         struct ieee80211_local *local = sdata->local;
2964         u16 capab;
2965
2966         capab = 0;
2967         if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
2968                 return capab;
2969
2970         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2971                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2972         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2973                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2974
2975         return capab;
2976 }
2977
2978 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2979                                        u8 *peer, u8 *bssid)
2980 {
2981         struct ieee80211_tdls_lnkie *lnkid;
2982
2983         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2984
2985         lnkid->ie_type = WLAN_EID_LINK_ID;
2986         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2987
2988         memcpy(lnkid->bssid, bssid, ETH_ALEN);
2989         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2990         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2991 }
2992
2993 static int
2994 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2995                                u8 *peer, u8 action_code, u8 dialog_token,
2996                                u16 status_code, struct sk_buff *skb)
2997 {
2998         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2999         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3000         struct ieee80211_tdls_data *tf;
3001
3002         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3003
3004         memcpy(tf->da, peer, ETH_ALEN);
3005         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3006         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3007         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3008
3009         switch (action_code) {
3010         case WLAN_TDLS_SETUP_REQUEST:
3011                 tf->category = WLAN_CATEGORY_TDLS;
3012                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3013
3014                 skb_put(skb, sizeof(tf->u.setup_req));
3015                 tf->u.setup_req.dialog_token = dialog_token;
3016                 tf->u.setup_req.capability =
3017                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3018
3019                 ieee80211_add_srates_ie(sdata, skb, false, band);
3020                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3021                 ieee80211_tdls_add_ext_capab(skb);
3022                 break;
3023         case WLAN_TDLS_SETUP_RESPONSE:
3024                 tf->category = WLAN_CATEGORY_TDLS;
3025                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3026
3027                 skb_put(skb, sizeof(tf->u.setup_resp));
3028                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3029                 tf->u.setup_resp.dialog_token = dialog_token;
3030                 tf->u.setup_resp.capability =
3031                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3032
3033                 ieee80211_add_srates_ie(sdata, skb, false, band);
3034                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3035                 ieee80211_tdls_add_ext_capab(skb);
3036                 break;
3037         case WLAN_TDLS_SETUP_CONFIRM:
3038                 tf->category = WLAN_CATEGORY_TDLS;
3039                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3040
3041                 skb_put(skb, sizeof(tf->u.setup_cfm));
3042                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3043                 tf->u.setup_cfm.dialog_token = dialog_token;
3044                 break;
3045         case WLAN_TDLS_TEARDOWN:
3046                 tf->category = WLAN_CATEGORY_TDLS;
3047                 tf->action_code = WLAN_TDLS_TEARDOWN;
3048
3049                 skb_put(skb, sizeof(tf->u.teardown));
3050                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3051                 break;
3052         case WLAN_TDLS_DISCOVERY_REQUEST:
3053                 tf->category = WLAN_CATEGORY_TDLS;
3054                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3055
3056                 skb_put(skb, sizeof(tf->u.discover_req));
3057                 tf->u.discover_req.dialog_token = dialog_token;
3058                 break;
3059         default:
3060                 return -EINVAL;
3061         }
3062
3063         return 0;
3064 }
3065
3066 static int
3067 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3068                            u8 *peer, u8 action_code, u8 dialog_token,
3069                            u16 status_code, struct sk_buff *skb)
3070 {
3071         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3072         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3073         struct ieee80211_mgmt *mgmt;
3074
3075         mgmt = (void *)skb_put(skb, 24);
3076         memset(mgmt, 0, 24);
3077         memcpy(mgmt->da, peer, ETH_ALEN);
3078         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3079         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3080
3081         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3082                                           IEEE80211_STYPE_ACTION);
3083
3084         switch (action_code) {
3085         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3086                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3087                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3088                 mgmt->u.action.u.tdls_discover_resp.action_code =
3089                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3090                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3091                         dialog_token;
3092                 mgmt->u.action.u.tdls_discover_resp.capability =
3093                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3094
3095                 ieee80211_add_srates_ie(sdata, skb, false, band);
3096                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3097                 ieee80211_tdls_add_ext_capab(skb);
3098                 break;
3099         default:
3100                 return -EINVAL;
3101         }
3102
3103         return 0;
3104 }
3105
3106 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3107                                u8 *peer, u8 action_code, u8 dialog_token,
3108                                u16 status_code, const u8 *extra_ies,
3109                                size_t extra_ies_len)
3110 {
3111         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3112         struct ieee80211_local *local = sdata->local;
3113         struct sk_buff *skb = NULL;
3114         bool send_direct;
3115         int ret;
3116
3117         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3118                 return -ENOTSUPP;
3119
3120         /* make sure we are in managed mode, and associated */
3121         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3122             !sdata->u.mgd.associated)
3123                 return -EINVAL;
3124
3125         tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3126                  action_code, peer);
3127
3128         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3129                             max(sizeof(struct ieee80211_mgmt),
3130                                 sizeof(struct ieee80211_tdls_data)) +
3131                             50 + /* supported rates */
3132                             7 + /* ext capab */
3133                             extra_ies_len +
3134                             sizeof(struct ieee80211_tdls_lnkie));
3135         if (!skb)
3136                 return -ENOMEM;
3137
3138         skb_reserve(skb, local->hw.extra_tx_headroom);
3139
3140         switch (action_code) {
3141         case WLAN_TDLS_SETUP_REQUEST:
3142         case WLAN_TDLS_SETUP_RESPONSE:
3143         case WLAN_TDLS_SETUP_CONFIRM:
3144         case WLAN_TDLS_TEARDOWN:
3145         case WLAN_TDLS_DISCOVERY_REQUEST:
3146                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3147                                                      action_code, dialog_token,
3148                                                      status_code, skb);
3149                 send_direct = false;
3150                 break;
3151         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3152                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3153                                                  dialog_token, status_code,
3154                                                  skb);
3155                 send_direct = true;
3156                 break;
3157         default:
3158                 ret = -ENOTSUPP;
3159                 break;
3160         }
3161
3162         if (ret < 0)
3163                 goto fail;
3164
3165         if (extra_ies_len)
3166                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3167
3168         /* the TDLS link IE is always added last */
3169         switch (action_code) {
3170         case WLAN_TDLS_SETUP_REQUEST:
3171         case WLAN_TDLS_SETUP_CONFIRM:
3172         case WLAN_TDLS_TEARDOWN:
3173         case WLAN_TDLS_DISCOVERY_REQUEST:
3174                 /* we are the initiator */
3175                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3176                                            sdata->u.mgd.bssid);
3177                 break;
3178         case WLAN_TDLS_SETUP_RESPONSE:
3179         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3180                 /* we are the responder */
3181                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3182                                            sdata->u.mgd.bssid);
3183                 break;
3184         default:
3185                 ret = -ENOTSUPP;
3186                 goto fail;
3187         }
3188
3189         if (send_direct) {
3190                 ieee80211_tx_skb(sdata, skb);
3191                 return 0;
3192         }
3193
3194         /*
3195          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3196          * we should default to AC_VI.
3197          */
3198         switch (action_code) {
3199         case WLAN_TDLS_SETUP_REQUEST:
3200         case WLAN_TDLS_SETUP_RESPONSE:
3201                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3202                 skb->priority = 2;
3203                 break;
3204         default:
3205                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3206                 skb->priority = 5;
3207                 break;
3208         }
3209
3210         /* disable bottom halves when entering the Tx path */
3211         local_bh_disable();
3212         ret = ieee80211_subif_start_xmit(skb, dev);
3213         local_bh_enable();
3214
3215         return ret;
3216
3217 fail:
3218         dev_kfree_skb(skb);
3219         return ret;
3220 }
3221
3222 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3223                                u8 *peer, enum nl80211_tdls_operation oper)
3224 {
3225         struct sta_info *sta;
3226         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3227
3228         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3229                 return -ENOTSUPP;
3230
3231         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3232                 return -EINVAL;
3233
3234         tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3235
3236         switch (oper) {
3237         case NL80211_TDLS_ENABLE_LINK:
3238                 rcu_read_lock();
3239                 sta = sta_info_get(sdata, peer);
3240                 if (!sta) {
3241                         rcu_read_unlock();
3242                         return -ENOLINK;
3243                 }
3244
3245                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3246                 rcu_read_unlock();
3247                 break;
3248         case NL80211_TDLS_DISABLE_LINK:
3249                 return sta_info_destroy_addr(sdata, peer);
3250         case NL80211_TDLS_TEARDOWN:
3251         case NL80211_TDLS_SETUP:
3252         case NL80211_TDLS_DISCOVERY_REQ:
3253                 /* We don't support in-driver setup/teardown/discovery */
3254                 return -ENOTSUPP;
3255         default:
3256                 return -ENOTSUPP;
3257         }
3258
3259         return 0;
3260 }
3261
3262 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3263                                   const u8 *peer, u64 *cookie)
3264 {
3265         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3266         struct ieee80211_local *local = sdata->local;
3267         struct ieee80211_qos_hdr *nullfunc;
3268         struct sk_buff *skb;
3269         int size = sizeof(*nullfunc);
3270         __le16 fc;
3271         bool qos;
3272         struct ieee80211_tx_info *info;
3273         struct sta_info *sta;
3274         struct ieee80211_chanctx_conf *chanctx_conf;
3275         enum ieee80211_band band;
3276
3277         rcu_read_lock();
3278         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3279         if (WARN_ON(!chanctx_conf)) {
3280                 rcu_read_unlock();
3281                 return -EINVAL;
3282         }
3283         band = chanctx_conf->def.chan->band;
3284         sta = sta_info_get(sdata, peer);
3285         if (sta) {
3286                 qos = test_sta_flag(sta, WLAN_STA_WME);
3287         } else {
3288                 rcu_read_unlock();
3289                 return -ENOLINK;
3290         }
3291
3292         if (qos) {
3293                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3294                                  IEEE80211_STYPE_QOS_NULLFUNC |
3295                                  IEEE80211_FCTL_FROMDS);
3296         } else {
3297                 size -= 2;
3298                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3299                                  IEEE80211_STYPE_NULLFUNC |
3300                                  IEEE80211_FCTL_FROMDS);
3301         }
3302
3303         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3304         if (!skb) {
3305                 rcu_read_unlock();
3306                 return -ENOMEM;
3307         }
3308
3309         skb->dev = dev;
3310
3311         skb_reserve(skb, local->hw.extra_tx_headroom);
3312
3313         nullfunc = (void *) skb_put(skb, size);
3314         nullfunc->frame_control = fc;
3315         nullfunc->duration_id = 0;
3316         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3317         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3318         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3319         nullfunc->seq_ctrl = 0;
3320
3321         info = IEEE80211_SKB_CB(skb);
3322
3323         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3324                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3325
3326         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3327         skb->priority = 7;
3328         if (qos)
3329                 nullfunc->qos_ctrl = cpu_to_le16(7);
3330
3331         local_bh_disable();
3332         ieee80211_xmit(sdata, skb, band);
3333         local_bh_enable();
3334         rcu_read_unlock();
3335
3336         *cookie = (unsigned long) skb;
3337         return 0;
3338 }
3339
3340 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3341                                      struct wireless_dev *wdev,
3342                                      struct cfg80211_chan_def *chandef)
3343 {
3344         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3345         struct ieee80211_local *local = wiphy_priv(wiphy);
3346         struct ieee80211_chanctx_conf *chanctx_conf;
3347         int ret = -ENODATA;
3348
3349         rcu_read_lock();
3350         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3351         if (chanctx_conf) {
3352                 *chandef = chanctx_conf->def;
3353                 ret = 0;
3354         } else if (local->open_count > 0 &&
3355                    local->open_count == local->monitors &&
3356                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3357                 if (local->use_chanctx)
3358                         *chandef = local->monitor_chandef;
3359                 else
3360                         cfg80211_chandef_create(chandef,
3361                                                 local->_oper_channel,
3362                                                 local->_oper_channel_type);
3363                 ret = 0;
3364         }
3365         rcu_read_unlock();
3366
3367         return ret;
3368 }
3369
3370 #ifdef CONFIG_PM
3371 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3372 {
3373         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3374 }
3375 #endif
3376
3377 struct cfg80211_ops mac80211_config_ops = {
3378         .add_virtual_intf = ieee80211_add_iface,
3379         .del_virtual_intf = ieee80211_del_iface,
3380         .change_virtual_intf = ieee80211_change_iface,
3381         .start_p2p_device = ieee80211_start_p2p_device,
3382         .stop_p2p_device = ieee80211_stop_p2p_device,
3383         .add_key = ieee80211_add_key,
3384         .del_key = ieee80211_del_key,
3385         .get_key = ieee80211_get_key,
3386         .set_default_key = ieee80211_config_default_key,
3387         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3388         .start_ap = ieee80211_start_ap,
3389         .change_beacon = ieee80211_change_beacon,
3390         .stop_ap = ieee80211_stop_ap,
3391         .add_station = ieee80211_add_station,
3392         .del_station = ieee80211_del_station,
3393         .change_station = ieee80211_change_station,
3394         .get_station = ieee80211_get_station,
3395         .dump_station = ieee80211_dump_station,
3396         .dump_survey = ieee80211_dump_survey,
3397 #ifdef CONFIG_MAC80211_MESH
3398         .add_mpath = ieee80211_add_mpath,
3399         .del_mpath = ieee80211_del_mpath,
3400         .change_mpath = ieee80211_change_mpath,
3401         .get_mpath = ieee80211_get_mpath,
3402         .dump_mpath = ieee80211_dump_mpath,
3403         .update_mesh_config = ieee80211_update_mesh_config,
3404         .get_mesh_config = ieee80211_get_mesh_config,
3405         .join_mesh = ieee80211_join_mesh,
3406         .leave_mesh = ieee80211_leave_mesh,
3407 #endif
3408         .change_bss = ieee80211_change_bss,
3409         .set_txq_params = ieee80211_set_txq_params,
3410         .set_monitor_channel = ieee80211_set_monitor_channel,
3411         .suspend = ieee80211_suspend,
3412         .resume = ieee80211_resume,
3413         .scan = ieee80211_scan,
3414         .sched_scan_start = ieee80211_sched_scan_start,
3415         .sched_scan_stop = ieee80211_sched_scan_stop,
3416         .auth = ieee80211_auth,
3417         .assoc = ieee80211_assoc,
3418         .deauth = ieee80211_deauth,
3419         .disassoc = ieee80211_disassoc,
3420         .join_ibss = ieee80211_join_ibss,
3421         .leave_ibss = ieee80211_leave_ibss,
3422         .set_mcast_rate = ieee80211_set_mcast_rate,
3423         .set_wiphy_params = ieee80211_set_wiphy_params,
3424         .set_tx_power = ieee80211_set_tx_power,
3425         .get_tx_power = ieee80211_get_tx_power,
3426         .set_wds_peer = ieee80211_set_wds_peer,
3427         .rfkill_poll = ieee80211_rfkill_poll,
3428         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3429         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3430         .set_power_mgmt = ieee80211_set_power_mgmt,
3431         .set_bitrate_mask = ieee80211_set_bitrate_mask,
3432         .remain_on_channel = ieee80211_remain_on_channel,
3433         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3434         .mgmt_tx = ieee80211_mgmt_tx,
3435         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3436         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3437         .mgmt_frame_register = ieee80211_mgmt_frame_register,
3438         .set_antenna = ieee80211_set_antenna,
3439         .get_antenna = ieee80211_get_antenna,
3440         .set_ringparam = ieee80211_set_ringparam,
3441         .get_ringparam = ieee80211_get_ringparam,
3442         .set_rekey_data = ieee80211_set_rekey_data,
3443         .tdls_oper = ieee80211_tdls_oper,
3444         .tdls_mgmt = ieee80211_tdls_mgmt,
3445         .probe_client = ieee80211_probe_client,
3446         .set_noack_map = ieee80211_set_noack_map,
3447 #ifdef CONFIG_PM
3448         .set_wakeup = ieee80211_set_wakeup,
3449 #endif
3450         .get_et_sset_count = ieee80211_get_et_sset_count,
3451         .get_et_stats = ieee80211_get_et_stats,
3452         .get_et_strings = ieee80211_get_et_strings,
3453         .get_channel = ieee80211_cfg_get_channel,
3454         .start_radar_detection = ieee80211_start_radar_detection,
3455 };