net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <linux/slab.h>
  13 #include <net/net_namespace.h>
  14 #include <linux/rcupdate.h>
  15 #include <linux/if_ether.h>
  16 #include <net/cfg80211.h>
  17 #include "ieee80211_i.h"
  18 #include "driver-ops.h"
  19 #include "cfg.h"
  20 #include "rate.h"
  21 #include "mesh.h"
  22
  23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
  24                                                 const char *name,
  25                                                 enum nl80211_iftype type,
  26                                                 u32 *flags,
  27                                                 struct vif_params *params)
  28 {
  29         struct ieee80211_local *local = wiphy_priv(wiphy);
  30         struct wireless_dev *wdev;
  31         struct ieee80211_sub_if_data *sdata;
  32         int err;
  33
  34         err = ieee80211_if_add(local, name, &wdev, type, params);
  35         if (err)
  36                 return ERR_PTR(err);
  37
  38         if (type == NL80211_IFTYPE_MONITOR && flags) {
  39                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
  40                 sdata->u.mntr_flags = *flags;
  41         }
  42
  43         return wdev;
  44 }
  45
  46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
  47 {
  48         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
  49
  50         return 0;
  51 }
  52
  53 static int ieee80211_change_iface(struct wiphy *wiphy,
  54                                   struct net_device *dev,
  55                                   enum nl80211_iftype type, u32 *flags,
  56                                   struct vif_params *params)
  57 {
  58         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  59         int ret;
  60
  61         ret = ieee80211_if_change_type(sdata, type);
  62         if (ret)
  63                 return ret;
  64
  65         if (type == NL80211_IFTYPE_AP_VLAN &&
  66             params && params->use_4addr == 0)
  67                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
  68         else if (type == NL80211_IFTYPE_STATION &&
  69                  params && params->use_4addr >= 0)
  70                 sdata->u.mgd.use_4addr = params->use_4addr;
  71
  72         if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
  73                 struct ieee80211_local *local = sdata->local;
  74
  75                 if (ieee80211_sdata_running(sdata)) {
  76                         u32 mask = MONITOR_FLAG_COOK_FRAMES |
  77                                    MONITOR_FLAG_ACTIVE;
  78
  79                         /*
  80                          * Prohibit MONITOR_FLAG_COOK_FRAMES and
  81                          * MONITOR_FLAG_ACTIVE to be changed while the
  82                          * interface is up.
  83                          * Else we would need to add a lot of cruft
  84                          * to update everything:
  85                          *      cooked_mntrs, monitor and all fif_* counters
  86                          *      reconfigure hardware
  87                          */
  88                         if ((*flags & mask) != (sdata->u.mntr_flags & mask))
  89                                 return -EBUSY;
  90
  91                         ieee80211_adjust_monitor_flags(sdata, -1);
  92                         sdata->u.mntr_flags = *flags;
  93                         ieee80211_adjust_monitor_flags(sdata, 1);
  94
  95                         ieee80211_configure_filter(local);
  96                 } else {
  97                         /*
  98                          * Because the interface is down, ieee80211_do_stop
  99                          * and ieee80211_do_open take care of "everything"
 100                          * mentioned in the comment above.
 101                          */
 102                         sdata->u.mntr_flags = *flags;
 103                 }
 104         }
 105
 106         return 0;
 107 }
 108
 109 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 110                                       struct wireless_dev *wdev)
 111 {
 112         return ieee80211_do_open(wdev, true);
 113 }
 114
 115 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 116                                       struct wireless_dev *wdev)
 117 {
 118         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 119 }
 120
 121 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 122                                   struct net_device *dev,
 123                                   u16 noack_map)
 124 {
 125         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 126
 127         sdata->noack_map = noack_map;
 128         return 0;
 129 }
 130
 131 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 132                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 133                              struct key_params *params)
 134 {
 135         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 136         struct sta_info *sta = NULL;
 137         struct ieee80211_key *key;
 138         int err;
 139
 140         if (!ieee80211_sdata_running(sdata))
 141                 return -ENETDOWN;
 142
 143         /* reject WEP and TKIP keys if WEP failed to initialize */
 144         switch (params->cipher) {
 145         case WLAN_CIPHER_SUITE_WEP40:
 146         case WLAN_CIPHER_SUITE_TKIP:
 147         case WLAN_CIPHER_SUITE_WEP104:
 148                 if (IS_ERR(sdata->local->wep_tx_tfm))
 149                         return -EINVAL;
 150                 break;
 151         default:
 152                 break;
 153         }
 154
 155         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 156                                   params->key, params->seq_len, params->seq);
 157         if (IS_ERR(key))
 158                 return PTR_ERR(key);
 159
 160         if (pairwise)
 161                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 162
 163         mutex_lock(&sdata->local->sta_mtx);
 164
 165         if (mac_addr) {
 166                 if (ieee80211_vif_is_mesh(&sdata->vif))
 167                         sta = sta_info_get(sdata, mac_addr);
 168                 else
 169                         sta = sta_info_get_bss(sdata, mac_addr);
 170                 /*
 171                  * The ASSOC test makes sure the driver is ready to
 172                  * receive the key. When wpa_supplicant has roamed
 173                  * using FT, it attempts to set the key before
 174                  * association has completed, this rejects that attempt
 175                  * so it will set the key again after assocation.
 176                  *
 177                  * TODO: accept the key if we have a station entry and
 178                  *       add it to the device after the station.
 179                  */
 180                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 181                         ieee80211_key_free_unused(key);
 182                         err = -ENOENT;
 183                         goto out_unlock;
 184                 }
 185         }
 186
 187         switch (sdata->vif.type) {
 188         case NL80211_IFTYPE_STATION:
 189                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 190                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 191                 break;
 192         case NL80211_IFTYPE_AP:
 193         case NL80211_IFTYPE_AP_VLAN:
 194                 /* Keys without a station are used for TX only */
 195                 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
 196                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 197                 break;
 198         case NL80211_IFTYPE_ADHOC:
 199                 /* no MFP (yet) */
 200                 break;
 201         case NL80211_IFTYPE_MESH_POINT:
 202 #ifdef CONFIG_MAC80211_MESH
 203                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 204                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 205                 break;
 206 #endif
 207         case NL80211_IFTYPE_WDS:
 208         case NL80211_IFTYPE_MONITOR:
 209         case NL80211_IFTYPE_P2P_DEVICE:
 210         case NL80211_IFTYPE_UNSPECIFIED:
 211         case NUM_NL80211_IFTYPES:
 212         case NL80211_IFTYPE_P2P_CLIENT:
 213         case NL80211_IFTYPE_P2P_GO:
 214                 /* shouldn't happen */
 215                 WARN_ON_ONCE(1);
 216                 break;
 217         }
 218
 219         err = ieee80211_key_link(key, sdata, sta);
 220
 221  out_unlock:
 222         mutex_unlock(&sdata->local->sta_mtx);
 223
 224         return err;
 225 }
 226
 227 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 228                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 229 {
 230         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 231         struct ieee80211_local *local = sdata->local;
 232         struct sta_info *sta;
 233         struct ieee80211_key *key = NULL;
 234         int ret;
 235
 236         mutex_lock(&local->sta_mtx);
 237         mutex_lock(&local->key_mtx);
 238
 239         if (mac_addr) {
 240                 ret = -ENOENT;
 241
 242                 sta = sta_info_get_bss(sdata, mac_addr);
 243                 if (!sta)
 244                         goto out_unlock;
 245
 246                 if (pairwise)
 247                         key = key_mtx_dereference(local, sta->ptk);
 248                 else
 249                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 250         } else
 251                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 252
 253         if (!key) {
 254                 ret = -ENOENT;
 255                 goto out_unlock;
 256         }
 257
 258         ieee80211_key_free(key, true);
 259
 260         ret = 0;
 261  out_unlock:
 262         mutex_unlock(&local->key_mtx);
 263         mutex_unlock(&local->sta_mtx);
 264
 265         return ret;
 266 }
 267
 268 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 269                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 270                              void *cookie,
 271                              void (*callback)(void *cookie,
 272                                               struct key_params *params))
 273 {
 274         struct ieee80211_sub_if_data *sdata;
 275         struct sta_info *sta = NULL;
 276         u8 seq[6] = {0};
 277         struct key_params params;
 278         struct ieee80211_key *key = NULL;
 279         u64 pn64;
 280         u32 iv32;
 281         u16 iv16;
 282         int err = -ENOENT;
 283
 284         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 285
 286         rcu_read_lock();
 287
 288         if (mac_addr) {
 289                 sta = sta_info_get_bss(sdata, mac_addr);
 290                 if (!sta)
 291                         goto out;
 292
 293                 if (pairwise)
 294                         key = rcu_dereference(sta->ptk);
 295                 else if (key_idx < NUM_DEFAULT_KEYS)
 296                         key = rcu_dereference(sta->gtk[key_idx]);
 297         } else
 298                 key = rcu_dereference(sdata->keys[key_idx]);
 299
 300         if (!key)
 301                 goto out;
 302
 303         memset(&params, 0, sizeof(params));
 304
 305         params.cipher = key->conf.cipher;
 306
 307         switch (key->conf.cipher) {
 308         case WLAN_CIPHER_SUITE_TKIP:
 309                 iv32 = key->u.tkip.tx.iv32;
 310                 iv16 = key->u.tkip.tx.iv16;
 311
 312                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 313                         drv_get_tkip_seq(sdata->local,
 314                                          key->conf.hw_key_idx,
 315                                          &iv32, &iv16);
 316
 317                 seq[0] = iv16 & 0xff;
 318                 seq[1] = (iv16 >> 8) & 0xff;
 319                 seq[2] = iv32 & 0xff;
 320                 seq[3] = (iv32 >> 8) & 0xff;
 321                 seq[4] = (iv32 >> 16) & 0xff;
 322                 seq[5] = (iv32 >> 24) & 0xff;
 323                 params.seq = seq;
 324                 params.seq_len = 6;
 325                 break;
 326         case WLAN_CIPHER_SUITE_CCMP:
 327                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 328                 seq[0] = pn64;
 329                 seq[1] = pn64 >> 8;
 330                 seq[2] = pn64 >> 16;
 331                 seq[3] = pn64 >> 24;
 332                 seq[4] = pn64 >> 32;
 333                 seq[5] = pn64 >> 40;
 334                 params.seq = seq;
 335                 params.seq_len = 6;
 336                 break;
 337         case WLAN_CIPHER_SUITE_AES_CMAC:
 338                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 339                 seq[0] = pn64;
 340                 seq[1] = pn64 >> 8;
 341                 seq[2] = pn64 >> 16;
 342                 seq[3] = pn64 >> 24;
 343                 seq[4] = pn64 >> 32;
 344                 seq[5] = pn64 >> 40;
 345                 params.seq = seq;
 346                 params.seq_len = 6;
 347                 break;
 348         }
 349
 350         params.key = key->conf.key;
 351         params.key_len = key->conf.keylen;
 352
 353         callback(cookie, &params);
 354         err = 0;
 355
 356  out:
 357         rcu_read_unlock();
 358         return err;
 359 }
 360
 361 static int ieee80211_config_default_key(struct wiphy *wiphy,
 362                                         struct net_device *dev,
 363                                         u8 key_idx, bool uni,
 364                                         bool multi)
 365 {
 366         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 367
 368         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 369
 370         return 0;
 371 }
 372
 373 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 374                                              struct net_device *dev,
 375                                              u8 key_idx)
 376 {
 377         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 378
 379         ieee80211_set_default_mgmt_key(sdata, key_idx);
 380
 381         return 0;
 382 }
 383
 384 void sta_set_rate_info_tx(struct sta_info *sta,
 385                           const struct ieee80211_tx_rate *rate,
 386                           struct rate_info *rinfo)
 387 {
 388         rinfo->flags = 0;
 389         if (rate->flags & IEEE80211_TX_RC_MCS) {
 390                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 391                 rinfo->mcs = rate->idx;
 392         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 393                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 394                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 395                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 396         } else {
 397                 struct ieee80211_supported_band *sband;
 398                 sband = sta->local->hw.wiphy->bands[
 399                                 ieee80211_get_sdata_band(sta->sdata)];
 400                 rinfo->legacy = sband->bitrates[rate->idx].bitrate;
 401         }
 402         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 403                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 404         if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 405                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 406         if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 407                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 408         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 409                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 410 }
 411
 412 void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 413 {
 414         rinfo->flags = 0;
 415
 416         if (sta->last_rx_rate_flag & RX_FLAG_HT) {
 417                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 418                 rinfo->mcs = sta->last_rx_rate_idx;
 419         } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) {
 420                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 421                 rinfo->nss = sta->last_rx_rate_vht_nss;
 422                 rinfo->mcs = sta->last_rx_rate_idx;
 423         } else {
 424                 struct ieee80211_supported_band *sband;
 425
 426                 sband = sta->local->hw.wiphy->bands[
 427                                 ieee80211_get_sdata_band(sta->sdata)];
 428                 rinfo->legacy =
 429                         sband->bitrates[sta->last_rx_rate_idx].bitrate;
 430         }
 431
 432         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 433                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 434         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 435                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 436         if (sta->last_rx_rate_flag & RX_FLAG_80MHZ)
 437                 rinfo->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
 438         if (sta->last_rx_rate_flag & RX_FLAG_80P80MHZ)
 439                 rinfo->flags |= RATE_INFO_FLAGS_80P80_MHZ_WIDTH;
 440         if (sta->last_rx_rate_flag & RX_FLAG_160MHZ)
 441                 rinfo->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
 442 }
 443
 444 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 445 {
 446         struct ieee80211_sub_if_data *sdata = sta->sdata;
 447         struct ieee80211_local *local = sdata->local;
 448         struct timespec uptime;
 449         u64 packets = 0;
 450         int i, ac;
 451
 452         sinfo->generation = sdata->local->sta_generation;
 453
 454         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 455                         STATION_INFO_RX_BYTES64 |
 456                         STATION_INFO_TX_BYTES64 |
 457                         STATION_INFO_RX_PACKETS |
 458                         STATION_INFO_TX_PACKETS |
 459                         STATION_INFO_TX_RETRIES |
 460                         STATION_INFO_TX_FAILED |
 461                         STATION_INFO_TX_BITRATE |
 462                         STATION_INFO_RX_BITRATE |
 463                         STATION_INFO_RX_DROP_MISC |
 464                         STATION_INFO_BSS_PARAM |
 465                         STATION_INFO_CONNECTED_TIME |
 466                         STATION_INFO_STA_FLAGS |
 467                         STATION_INFO_BEACON_LOSS_COUNT;
 468
 469         do_posix_clock_monotonic_gettime(&uptime);
 470         sinfo->connected_time = uptime.tv_sec - sta->last_connected;
 471
 472         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 473         sinfo->tx_bytes = 0;
 474         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 475                 sinfo->tx_bytes += sta->tx_bytes[ac];
 476                 packets += sta->tx_packets[ac];
 477         }
 478         sinfo->tx_packets = packets;
 479         sinfo->rx_bytes = sta->rx_bytes;
 480         sinfo->rx_packets = sta->rx_packets;
 481         sinfo->tx_retries = sta->tx_retry_count;
 482         sinfo->tx_failed = sta->tx_retry_failed;
 483         sinfo->rx_dropped_misc = sta->rx_dropped;
 484         sinfo->beacon_loss_count = sta->beacon_loss_count;
 485
 486         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 487             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 488                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 489                 if (!local->ops->get_rssi ||
 490                     drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal))
 491                         sinfo->signal = (s8)sta->last_signal;
 492                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 493         }
 494         if (sta->chains) {
 495                 sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
 496                                  STATION_INFO_CHAIN_SIGNAL_AVG;
 497
 498                 sinfo->chains = sta->chains;
 499                 for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
 500                         sinfo->chain_signal[i] = sta->chain_signal_last[i];
 501                         sinfo->chain_signal_avg[i] =
 502                                 (s8) -ewma_read(&sta->chain_signal_avg[i]);
 503                 }
 504         }
 505
 506         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 507         sta_set_rate_info_rx(sta, &sinfo->rxrate);
 508
 509         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 510 #ifdef CONFIG_MAC80211_MESH
 511                 sinfo->filled |= STATION_INFO_LLID |
 512                                  STATION_INFO_PLID |
 513                                  STATION_INFO_PLINK_STATE |
 514                                  STATION_INFO_LOCAL_PM |
 515                                  STATION_INFO_PEER_PM |
 516                                  STATION_INFO_NONPEER_PM;
 517
 518                 sinfo->llid = le16_to_cpu(sta->llid);
 519                 sinfo->plid = le16_to_cpu(sta->plid);
 520                 sinfo->plink_state = sta->plink_state;
 521                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 522                         sinfo->filled |= STATION_INFO_T_OFFSET;
 523                         sinfo->t_offset = sta->t_offset;
 524                 }
 525                 sinfo->local_pm = sta->local_pm;
 526                 sinfo->peer_pm = sta->peer_pm;
 527                 sinfo->nonpeer_pm = sta->nonpeer_pm;
 528 #endif
 529         }
 530
 531         sinfo->bss_param.flags = 0;
 532         if (sdata->vif.bss_conf.use_cts_prot)
 533                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 534         if (sdata->vif.bss_conf.use_short_preamble)
 535                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 536         if (sdata->vif.bss_conf.use_short_slot)
 537                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 538         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 539         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 540
 541         sinfo->sta_flags.set = 0;
 542         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 543                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 544                                 BIT(NL80211_STA_FLAG_WME) |
 545                                 BIT(NL80211_STA_FLAG_MFP) |
 546                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 547                                 BIT(NL80211_STA_FLAG_ASSOCIATED) |
 548                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 549         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 550                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 551         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 552                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 553         if (test_sta_flag(sta, WLAN_STA_WME))
 554                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 555         if (test_sta_flag(sta, WLAN_STA_MFP))
 556                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 557         if (test_sta_flag(sta, WLAN_STA_AUTH))
 558                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 559         if (test_sta_flag(sta, WLAN_STA_ASSOC))
 560                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
 561         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 562                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 563 }
 564
 565 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 566         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 567         "rx_duplicates", "rx_fragments", "rx_dropped",
 568         "tx_packets", "tx_bytes", "tx_fragments",
 569         "tx_filtered", "tx_retry_failed", "tx_retries",
 570         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 571         "channel", "noise", "ch_time", "ch_time_busy",
 572         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 573 };
 574 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 575
 576 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 577                                        struct net_device *dev,
 578                                        int sset)
 579 {
 580         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 581         int rv = 0;
 582
 583         if (sset == ETH_SS_STATS)
 584                 rv += STA_STATS_LEN;
 585
 586         rv += drv_get_et_sset_count(sdata, sset);
 587
 588         if (rv == 0)
 589                 return -EOPNOTSUPP;
 590         return rv;
 591 }
 592
 593 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 594                                    struct net_device *dev,
 595                                    struct ethtool_stats *stats,
 596                                    u64 *data)
 597 {
 598         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 599         struct ieee80211_chanctx_conf *chanctx_conf;
 600         struct ieee80211_channel *channel;
 601         struct sta_info *sta;
 602         struct ieee80211_local *local = sdata->local;
 603         struct station_info sinfo;
 604         struct survey_info survey;
 605         int i, q;
 606 #define STA_STATS_SURVEY_LEN 7
 607
 608         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 609
 610 #define ADD_STA_STATS(sta)                              \
 611         do {                                            \
 612                 data[i++] += sta->rx_packets;           \
 613                 data[i++] += sta->rx_bytes;             \
 614                 data[i++] += sta->wep_weak_iv_count;    \
 615                 data[i++] += sta->num_duplicates;       \
 616                 data[i++] += sta->rx_fragments;         \
 617                 data[i++] += sta->rx_dropped;           \
 618                                                         \
 619                 data[i++] += sinfo.tx_packets;          \
 620                 data[i++] += sinfo.tx_bytes;            \
 621                 data[i++] += sta->tx_fragments;         \
 622                 data[i++] += sta->tx_filtered_count;    \
 623                 data[i++] += sta->tx_retry_failed;      \
 624                 data[i++] += sta->tx_retry_count;       \
 625                 data[i++] += sta->beacon_loss_count;    \
 626         } while (0)
 627
 628         /* For Managed stations, find the single station based on BSSID
 629          * and use that.  For interface types, iterate through all available
 630          * stations and add stats for any station that is assigned to this
 631          * network device.
 632          */
 633
 634         mutex_lock(&local->sta_mtx);
 635
 636         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 637                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 638
 639                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 640                         goto do_survey;
 641
 642                 sinfo.filled = 0;
 643                 sta_set_sinfo(sta, &sinfo);
 644
 645                 i = 0;
 646                 ADD_STA_STATS(sta);
 647
 648                 data[i++] = sta->sta_state;
 649
 650
 651                 if (sinfo.filled & STATION_INFO_TX_BITRATE)
 652                         data[i] = 100000 *
 653                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 654                 i++;
 655                 if (sinfo.filled & STATION_INFO_RX_BITRATE)
 656                         data[i] = 100000 *
 657                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 658                 i++;
 659
 660                 if (sinfo.filled & STATION_INFO_SIGNAL_AVG)
 661                         data[i] = (u8)sinfo.signal_avg;
 662                 i++;
 663         } else {
 664                 list_for_each_entry(sta, &local->sta_list, list) {
 665                         /* Make sure this station belongs to the proper dev */
 666                         if (sta->sdata->dev != dev)
 667                                 continue;
 668
 669                         sinfo.filled = 0;
 670                         sta_set_sinfo(sta, &sinfo);
 671                         i = 0;
 672                         ADD_STA_STATS(sta);
 673                 }
 674         }
 675
 676 do_survey:
 677         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 678         /* Get survey stats for current channel */
 679         survey.filled = 0;
 680
 681         rcu_read_lock();
 682         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
 683         if (chanctx_conf)
 684                 channel = chanctx_conf->def.chan;
 685         else
 686                 channel = NULL;
 687         rcu_read_unlock();
 688
 689         if (channel) {
 690                 q = 0;
 691                 do {
 692                         survey.filled = 0;
 693                         if (drv_get_survey(local, q, &survey) != 0) {
 694                                 survey.filled = 0;
 695                                 break;
 696                         }
 697                         q++;
 698                 } while (channel != survey.channel);
 699         }
 700
 701         if (survey.filled)
 702                 data[i++] = survey.channel->center_freq;
 703         else
 704                 data[i++] = 0;
 705         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 706                 data[i++] = (u8)survey.noise;
 707         else
 708                 data[i++] = -1LL;
 709         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 710                 data[i++] = survey.channel_time;
 711         else
 712                 data[i++] = -1LL;
 713         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 714                 data[i++] = survey.channel_time_busy;
 715         else
 716                 data[i++] = -1LL;
 717         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 718                 data[i++] = survey.channel_time_ext_busy;
 719         else
 720                 data[i++] = -1LL;
 721         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 722                 data[i++] = survey.channel_time_rx;
 723         else
 724                 data[i++] = -1LL;
 725         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 726                 data[i++] = survey.channel_time_tx;
 727         else
 728                 data[i++] = -1LL;
 729
 730         mutex_unlock(&local->sta_mtx);
 731
 732         if (WARN_ON(i != STA_STATS_LEN))
 733                 return;
 734
 735         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 736 }
 737
 738 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 739                                      struct net_device *dev,
 740                                      u32 sset, u8 *data)
 741 {
 742         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 743         int sz_sta_stats = 0;
 744
 745         if (sset == ETH_SS_STATS) {
 746                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 747                 memcpy(data, ieee80211_gstrings_sta_stats, sz_sta_stats);
 748         }
 749         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 750 }
 751
 752 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 753                                  int idx, u8 *mac, struct station_info *sinfo)
 754 {
 755         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 756         struct ieee80211_local *local = sdata->local;
 757         struct sta_info *sta;
 758         int ret = -ENOENT;
 759
 760         mutex_lock(&local->sta_mtx);
 761
 762         sta = sta_info_get_by_idx(sdata, idx);
 763         if (sta) {
 764                 ret = 0;
 765                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 766                 sta_set_sinfo(sta, sinfo);
 767         }
 768
 769         mutex_unlock(&local->sta_mtx);
 770
 771         return ret;
 772 }
 773
 774 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 775                                  int idx, struct survey_info *survey)
 776 {
 777         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 778
 779         return drv_get_survey(local, idx, survey);
 780 }
 781
 782 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 783                                  u8 *mac, struct station_info *sinfo)
 784 {
 785         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 786         struct ieee80211_local *local = sdata->local;
 787         struct sta_info *sta;
 788         int ret = -ENOENT;
 789
 790         mutex_lock(&local->sta_mtx);
 791
 792         sta = sta_info_get_bss(sdata, mac);
 793         if (sta) {
 794                 ret = 0;
 795                 sta_set_sinfo(sta, sinfo);
 796         }
 797
 798         mutex_unlock(&local->sta_mtx);
 799
 800         return ret;
 801 }
 802
 803 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 804                                          struct cfg80211_chan_def *chandef)
 805 {
 806         struct ieee80211_local *local = wiphy_priv(wiphy);
 807         struct ieee80211_sub_if_data *sdata;
 808         int ret = 0;
 809
 810         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 811                 return 0;
 812
 813         mutex_lock(&local->iflist_mtx);
 814         if (local->use_chanctx) {
 815                 sdata = rcu_dereference_protected(
 816                                 local->monitor_sdata,
 817                                 lockdep_is_held(&local->iflist_mtx));
 818                 if (sdata) {
 819                         ieee80211_vif_release_channel(sdata);
 820                         ret = ieee80211_vif_use_channel(sdata, chandef,
 821                                         IEEE80211_CHANCTX_EXCLUSIVE);
 822                 }
 823         } else if (local->open_count == local->monitors) {
 824                 local->_oper_chandef = *chandef;
 825                 ieee80211_hw_config(local, 0);
 826         }
 827
 828         if (ret == 0)
 829                 local->monitor_chandef = *chandef;
 830         mutex_unlock(&local->iflist_mtx);
 831
 832         return ret;
 833 }
 834
 835 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 836                                     const u8 *resp, size_t resp_len)
 837 {
 838         struct probe_resp *new, *old;
 839
 840         if (!resp || !resp_len)
 841                 return 1;
 842
 843         old = rtnl_dereference(sdata->u.ap.probe_resp);
 844
 845         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 846         if (!new)
 847                 return -ENOMEM;
 848
 849         new->len = resp_len;
 850         memcpy(new->data, resp, resp_len);
 851
 852         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 853         if (old)
 854                 kfree_rcu(old, rcu_head);
 855
 856         return 0;
 857 }
 858
 859 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 860                                    struct cfg80211_beacon_data *params)
 861 {
 862         struct beacon_data *new, *old;
 863         int new_head_len, new_tail_len;
 864         int size, err;
 865         u32 changed = BSS_CHANGED_BEACON;
 866
 867         old = rtnl_dereference(sdata->u.ap.beacon);
 868
 869         /* Need to have a beacon head if we don't have one yet */
 870         if (!params->head && !old)
 871                 return -EINVAL;
 872
 873         /* new or old head? */
 874         if (params->head)
 875                 new_head_len = params->head_len;
 876         else
 877                 new_head_len = old->head_len;
 878
 879         /* new or old tail? */
 880         if (params->tail || !old)
 881                 /* params->tail_len will be zero for !params->tail */
 882                 new_tail_len = params->tail_len;
 883         else
 884                 new_tail_len = old->tail_len;
 885
 886         size = sizeof(*new) + new_head_len + new_tail_len;
 887
 888         new = kzalloc(size, GFP_KERNEL);
 889         if (!new)
 890                 return -ENOMEM;
 891
 892         /* start filling the new info now */
 893
 894         /*
 895          * pointers go into the block we allocated,
 896          * memory is | beacon_data | head | tail |
 897          */
 898         new->head = ((u8 *) new) + sizeof(*new);
 899         new->tail = new->head + new_head_len;
 900         new->head_len = new_head_len;
 901         new->tail_len = new_tail_len;
 902
 903         /* copy in head */
 904         if (params->head)
 905                 memcpy(new->head, params->head, new_head_len);
 906         else
 907                 memcpy(new->head, old->head, new_head_len);
 908
 909         /* copy in optional tail */
 910         if (params->tail)
 911                 memcpy(new->tail, params->tail, new_tail_len);
 912         else
 913                 if (old)
 914                         memcpy(new->tail, old->tail, new_tail_len);
 915
 916         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 917                                        params->probe_resp_len);
 918         if (err < 0)
 919                 return err;
 920         if (err == 0)
 921                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 922
 923         rcu_assign_pointer(sdata->u.ap.beacon, new);
 924
 925         if (old)
 926                 kfree_rcu(old, rcu_head);
 927
 928         return changed;
 929 }
 930
 931 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 932                               struct cfg80211_ap_settings *params)
 933 {
 934         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 935         struct beacon_data *old;
 936         struct ieee80211_sub_if_data *vlan;
 937         u32 changed = BSS_CHANGED_BEACON_INT |
 938                       BSS_CHANGED_BEACON_ENABLED |
 939                       BSS_CHANGED_BEACON |
 940                       BSS_CHANGED_SSID |
 941                       BSS_CHANGED_P2P_PS;
 942         int err;
 943
 944         old = rtnl_dereference(sdata->u.ap.beacon);
 945         if (old)
 946                 return -EALREADY;
 947
 948         /* TODO: make hostapd tell us what it wants */
 949         sdata->smps_mode = IEEE80211_SMPS_OFF;
 950         sdata->needed_rx_chains = sdata->local->rx_chains;
 951         sdata->radar_required = params->radar_required;
 952
 953         err = ieee80211_vif_use_channel(sdata, &params->chandef,
 954                                         IEEE80211_CHANCTX_SHARED);
 955         if (err)
 956                 return err;
 957         ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
 958
 959         /*
 960          * Apply control port protocol, this allows us to
 961          * not encrypt dynamic WEP control frames.
 962          */
 963         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 964         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 965         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 966                 vlan->control_port_protocol =
 967                         params->crypto.control_port_ethertype;
 968                 vlan->control_port_no_encrypt =
 969                         params->crypto.control_port_no_encrypt;
 970         }
 971
 972         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 973         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 974         sdata->vif.bss_conf.enable_beacon = true;
 975
 976         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 977         if (params->ssid_len)
 978                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 979                        params->ssid_len);
 980         sdata->vif.bss_conf.hidden_ssid =
 981                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 982
 983         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
 984                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
 985         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
 986                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
 987         if (params->p2p_opp_ps)
 988                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
 989                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
 990
 991         err = ieee80211_assign_beacon(sdata, &params->beacon);
 992         if (err < 0)
 993                 return err;
 994         changed |= err;
 995
 996         err = drv_start_ap(sdata->local, sdata);
 997         if (err) {
 998                 old = rtnl_dereference(sdata->u.ap.beacon);
 999                 if (old)
1000                         kfree_rcu(old, rcu_head);
1001                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1002                 return err;
1003         }
1004
1005         ieee80211_bss_info_change_notify(sdata, changed);
1006
1007         netif_carrier_on(dev);
1008         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1009                 netif_carrier_on(vlan->dev);
1010
1011         return 0;
1012 }
1013
1014 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1015                                    struct cfg80211_beacon_data *params)
1016 {
1017         struct ieee80211_sub_if_data *sdata;
1018         struct beacon_data *old;
1019         int err;
1020
1021         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022
1023         old = rtnl_dereference(sdata->u.ap.beacon);
1024         if (!old)
1025                 return -ENOENT;
1026
1027         err = ieee80211_assign_beacon(sdata, params);
1028         if (err < 0)
1029                 return err;
1030         ieee80211_bss_info_change_notify(sdata, err);
1031         return 0;
1032 }
1033
1034 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1035 {
1036         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1037         struct ieee80211_sub_if_data *vlan;
1038         struct ieee80211_local *local = sdata->local;
1039         struct beacon_data *old_beacon;
1040         struct probe_resp *old_probe_resp;
1041
1042         old_beacon = rtnl_dereference(sdata->u.ap.beacon);
1043         if (!old_beacon)
1044                 return -ENOENT;
1045         old_probe_resp = rtnl_dereference(sdata->u.ap.probe_resp);
1046
1047         /* turn off carrier for this interface and dependent VLANs */
1048         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1049                 netif_carrier_off(vlan->dev);
1050         netif_carrier_off(dev);
1051
1052         /* remove beacon and probe response */
1053         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1054         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1055         kfree_rcu(old_beacon, rcu_head);
1056         if (old_probe_resp)
1057                 kfree_rcu(old_probe_resp, rcu_head);
1058
1059         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1060                 sta_info_flush_defer(vlan);
1061         sta_info_flush_defer(sdata);
1062         synchronize_net();
1063         rcu_barrier();
1064         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1065                 sta_info_flush_cleanup(vlan);
1066                 ieee80211_free_keys(vlan);
1067         }
1068         sta_info_flush_cleanup(sdata);
1069         ieee80211_free_keys(sdata);
1070
1071         sdata->vif.bss_conf.enable_beacon = false;
1072         sdata->vif.bss_conf.ssid_len = 0;
1073         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1074         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1075
1076         if (sdata->wdev.cac_started) {
1077                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1078                 cfg80211_cac_event(sdata->dev, NL80211_RADAR_CAC_ABORTED,
1079                                    GFP_KERNEL);
1080         }
1081
1082         drv_stop_ap(sdata->local, sdata);
1083
1084         /* free all potentially still buffered bcast frames */
1085         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1086         skb_queue_purge(&sdata->u.ap.ps.bc_buf);
1087
1088         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1089         ieee80211_vif_release_channel(sdata);
1090
1091         return 0;
1092 }
1093
1094 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1095 struct iapp_layer2_update {
1096         u8 da[ETH_ALEN];        /* broadcast */
1097         u8 sa[ETH_ALEN];        /* STA addr */
1098         __be16 len;             /* 6 */
1099         u8 dsap;                /* 0 */
1100         u8 ssap;                /* 0 */
1101         u8 control;
1102         u8 xid_info[3];
1103 } __packed;
1104
1105 static void ieee80211_send_layer2_update(struct sta_info *sta)
1106 {
1107         struct iapp_layer2_update *msg;
1108         struct sk_buff *skb;
1109
1110         /* Send Level 2 Update Frame to update forwarding tables in layer 2
1111          * bridge devices */
1112
1113         skb = dev_alloc_skb(sizeof(*msg));
1114         if (!skb)
1115                 return;
1116         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1117
1118         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1119          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1120
1121         eth_broadcast_addr(msg->da);
1122         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1123         msg->len = htons(6);
1124         msg->dsap = 0;
1125         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
1126         msg->control = 0xaf;    /* XID response lsb.1111F101.
1127                                  * F=0 (no poll command; unsolicited frame) */
1128         msg->xid_info[0] = 0x81;        /* XID format identifier */
1129         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
1130         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
1131
1132         skb->dev = sta->sdata->dev;
1133         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1134         memset(skb->cb, 0, sizeof(skb->cb));
1135         netif_rx_ni(skb);
1136 }
1137
1138 static int sta_apply_auth_flags(struct ieee80211_local *local,
1139                                 struct sta_info *sta,
1140                                 u32 mask, u32 set)
1141 {
1142         int ret;
1143
1144         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1145             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1146             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1147                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1148                 if (ret)
1149                         return ret;
1150         }
1151
1152         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1153             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1154             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1155                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1156                 if (ret)
1157                         return ret;
1158         }
1159
1160         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1161                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1162                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1163                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1164                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1165                 else
1166                         ret = 0;
1167                 if (ret)
1168                         return ret;
1169         }
1170
1171         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1172             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1173             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1174                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1175                 if (ret)
1176                         return ret;
1177         }
1178
1179         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1180             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1181             test_sta_flag(sta, WLAN_STA_AUTH)) {
1182                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1183                 if (ret)
1184                         return ret;
1185         }
1186
1187         return 0;
1188 }
1189
1190 static int sta_apply_parameters(struct ieee80211_local *local,
1191                                 struct sta_info *sta,
1192                                 struct station_parameters *params)
1193 {
1194         int ret = 0;
1195         u32 rates;
1196         int i, j;
1197         struct ieee80211_supported_band *sband;
1198         struct ieee80211_sub_if_data *sdata = sta->sdata;
1199         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
1200         u32 mask, set;
1201
1202         sband = local->hw.wiphy->bands[band];
1203
1204         mask = params->sta_flags_mask;
1205         set = params->sta_flags_set;
1206
1207         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1208                 /*
1209                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1210                  * API but must follow AUTHENTICATED for driver state.
1211                  */
1212                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1213                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1214                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1215                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1216         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1217                 /*
1218                  * TDLS -- everything follows authorized, but
1219                  * only becoming authorized is possible, not
1220                  * going back
1221                  */
1222                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1223                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1224                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1225                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1226                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1227                 }
1228         }
1229
1230         ret = sta_apply_auth_flags(local, sta, mask, set);
1231         if (ret)
1232                 return ret;
1233
1234         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1235                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1236                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1237                 else
1238                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1239         }
1240
1241         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1242                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1243                         set_sta_flag(sta, WLAN_STA_WME);
1244                         sta->sta.wme = true;
1245                 } else {
1246                         clear_sta_flag(sta, WLAN_STA_WME);
1247                         sta->sta.wme = false;
1248                 }
1249         }
1250
1251         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1252                 if (set & BIT(NL80211_STA_FLAG_MFP))
1253                         set_sta_flag(sta, WLAN_STA_MFP);
1254                 else
1255                         clear_sta_flag(sta, WLAN_STA_MFP);
1256         }
1257
1258         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1259                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1260                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1261                 else
1262                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1263         }
1264
1265         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1266                 sta->sta.uapsd_queues = params->uapsd_queues;
1267                 sta->sta.max_sp = params->max_sp;
1268         }
1269
1270         /*
1271          * cfg80211 validates this (1-2007) and allows setting the AID
1272          * only when creating a new station entry
1273          */
1274         if (params->aid)
1275                 sta->sta.aid = params->aid;
1276
1277         /*
1278          * Some of the following updates would be racy if called on an
1279          * existing station, via ieee80211_change_station(). However,
1280          * all such changes are rejected by cfg80211 except for updates
1281          * changing the supported rates on an existing but not yet used
1282          * TDLS peer.
1283          */
1284
1285         if (params->listen_interval >= 0)
1286                 sta->listen_interval = params->listen_interval;
1287
1288         if (params->supported_rates) {
1289                 rates = 0;
1290
1291                 for (i = 0; i < params->supported_rates_len; i++) {
1292                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1293                         for (j = 0; j < sband->n_bitrates; j++) {
1294                                 if (sband->bitrates[j].bitrate == rate)
1295                                         rates |= BIT(j);
1296                         }
1297                 }
1298                 sta->sta.supp_rates[band] = rates;
1299         }
1300
1301         if (params->ht_capa)
1302                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1303                                                   params->ht_capa, sta);
1304
1305         if (params->vht_capa)
1306                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1307                                                     params->vht_capa, sta);
1308
1309         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1310 #ifdef CONFIG_MAC80211_MESH
1311                 u32 changed = 0;
1312
1313                 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1314                         switch (params->plink_state) {
1315                         case NL80211_PLINK_ESTAB:
1316                                 if (sta->plink_state != NL80211_PLINK_ESTAB)
1317                                         changed = mesh_plink_inc_estab_count(
1318                                                         sdata);
1319                                 sta->plink_state = params->plink_state;
1320
1321                                 ieee80211_mps_sta_status_update(sta);
1322                                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1323                                               sdata->u.mesh.mshcfg.power_mode);
1324                                 break;
1325                         case NL80211_PLINK_LISTEN:
1326                         case NL80211_PLINK_BLOCKED:
1327                         case NL80211_PLINK_OPN_SNT:
1328                         case NL80211_PLINK_OPN_RCVD:
1329                         case NL80211_PLINK_CNF_RCVD:
1330                         case NL80211_PLINK_HOLDING:
1331                                 if (sta->plink_state == NL80211_PLINK_ESTAB)
1332                                         changed = mesh_plink_dec_estab_count(
1333                                                         sdata);
1334                                 sta->plink_state = params->plink_state;
1335
1336                                 ieee80211_mps_sta_status_update(sta);
1337                                 changed |=
1338                                       ieee80211_mps_local_status_update(sdata);
1339                                 break;
1340                         default:
1341                                 /*  nothing  */
1342                                 break;
1343                         }
1344                 }
1345
1346                 switch (params->plink_action) {
1347                 case NL80211_PLINK_ACTION_NO_ACTION:
1348                         /* nothing */
1349                         break;
1350                 case NL80211_PLINK_ACTION_OPEN:
1351                         changed |= mesh_plink_open(sta);
1352                         break;
1353                 case NL80211_PLINK_ACTION_BLOCK:
1354                         changed |= mesh_plink_block(sta);
1355                         break;
1356                 }
1357
1358                 if (params->local_pm)
1359                         changed |=
1360                               ieee80211_mps_set_sta_local_pm(sta,
1361                                                              params->local_pm);
1362                 ieee80211_bss_info_change_notify(sdata, changed);
1363 #endif
1364         }
1365
1366         return 0;
1367 }
1368
1369 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1370                                  u8 *mac, struct station_parameters *params)
1371 {
1372         struct ieee80211_local *local = wiphy_priv(wiphy);
1373         struct sta_info *sta;
1374         struct ieee80211_sub_if_data *sdata;
1375         int err;
1376         int layer2_update;
1377
1378         if (params->vlan) {
1379                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1380
1381                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1382                     sdata->vif.type != NL80211_IFTYPE_AP)
1383                         return -EINVAL;
1384         } else
1385                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1386
1387         if (ether_addr_equal(mac, sdata->vif.addr))
1388                 return -EINVAL;
1389
1390         if (is_multicast_ether_addr(mac))
1391                 return -EINVAL;
1392
1393         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1394         if (!sta)
1395                 return -ENOMEM;
1396
1397         /*
1398          * defaults -- if userspace wants something else we'll
1399          * change it accordingly in sta_apply_parameters()
1400          */
1401         if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) {
1402                 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1403                 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1404         }
1405
1406         err = sta_apply_parameters(local, sta, params);
1407         if (err) {
1408                 sta_info_free(local, sta);
1409                 return err;
1410         }
1411
1412         /*
1413          * for TDLS, rate control should be initialized only when
1414          * rates are known and station is marked authorized
1415          */
1416         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1417                 rate_control_rate_init(sta);
1418
1419         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1420                 sdata->vif.type == NL80211_IFTYPE_AP;
1421
1422         err = sta_info_insert_rcu(sta);
1423         if (err) {
1424                 rcu_read_unlock();
1425                 return err;
1426         }
1427
1428         if (layer2_update)
1429                 ieee80211_send_layer2_update(sta);
1430
1431         rcu_read_unlock();
1432
1433         return 0;
1434 }
1435
1436 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1437                                  u8 *mac)
1438 {
1439         struct ieee80211_sub_if_data *sdata;
1440
1441         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1442
1443         if (mac)
1444                 return sta_info_destroy_addr_bss(sdata, mac);
1445
1446         sta_info_flush(sdata);
1447         return 0;
1448 }
1449
1450 static int ieee80211_change_station(struct wiphy *wiphy,
1451                                     struct net_device *dev, u8 *mac,
1452                                     struct station_parameters *params)
1453 {
1454         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1455         struct ieee80211_local *local = wiphy_priv(wiphy);
1456         struct sta_info *sta;
1457         struct ieee80211_sub_if_data *vlansdata;
1458         enum cfg80211_station_type statype;
1459         int err;
1460
1461         mutex_lock(&local->sta_mtx);
1462
1463         sta = sta_info_get_bss(sdata, mac);
1464         if (!sta) {
1465                 err = -ENOENT;
1466                 goto out_err;
1467         }
1468
1469         switch (sdata->vif.type) {
1470         case NL80211_IFTYPE_MESH_POINT:
1471                 if (sdata->u.mesh.user_mpm)
1472                         statype = CFG80211_STA_MESH_PEER_USER;
1473                 else
1474                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1475                 break;
1476         case NL80211_IFTYPE_ADHOC:
1477                 statype = CFG80211_STA_IBSS;
1478                 break;
1479         case NL80211_IFTYPE_STATION:
1480                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1481                         statype = CFG80211_STA_AP_STA;
1482                         break;
1483                 }
1484                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1485                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1486                 else
1487                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1488                 break;
1489         case NL80211_IFTYPE_AP:
1490         case NL80211_IFTYPE_AP_VLAN:
1491                 statype = CFG80211_STA_AP_CLIENT;
1492                 break;
1493         default:
1494                 err = -EOPNOTSUPP;
1495                 goto out_err;
1496         }
1497
1498         err = cfg80211_check_station_change(wiphy, params, statype);
1499         if (err)
1500                 goto out_err;
1501
1502         if (params->vlan && params->vlan != sta->sdata->dev) {
1503                 bool prev_4addr = false;
1504                 bool new_4addr = false;
1505
1506                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1507
1508                 if (params->vlan->ieee80211_ptr->use_4addr) {
1509                         if (vlansdata->u.vlan.sta) {
1510                                 err = -EBUSY;
1511                                 goto out_err;
1512                         }
1513
1514                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1515                         new_4addr = true;
1516                 }
1517
1518                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1519                     sta->sdata->u.vlan.sta) {
1520                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1521                         prev_4addr = true;
1522                 }
1523
1524                 sta->sdata = vlansdata;
1525
1526                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1527                     prev_4addr != new_4addr) {
1528                         if (new_4addr)
1529                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1530                         else
1531                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1532                 }
1533
1534                 ieee80211_send_layer2_update(sta);
1535         }
1536
1537         err = sta_apply_parameters(local, sta, params);
1538         if (err)
1539                 goto out_err;
1540
1541         /* When peer becomes authorized, init rate control as well */
1542         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1543             test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1544                 rate_control_rate_init(sta);
1545
1546         mutex_unlock(&local->sta_mtx);
1547
1548         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1549             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1550                 ieee80211_recalc_ps(local, -1);
1551                 ieee80211_recalc_ps_vif(sdata);
1552         }
1553
1554         return 0;
1555 out_err:
1556         mutex_unlock(&local->sta_mtx);
1557         return err;
1558 }
1559
1560 #ifdef CONFIG_MAC80211_MESH
1561 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1562                                  u8 *dst, u8 *next_hop)
1563 {
1564         struct ieee80211_sub_if_data *sdata;
1565         struct mesh_path *mpath;
1566         struct sta_info *sta;
1567
1568         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1569
1570         rcu_read_lock();
1571         sta = sta_info_get(sdata, next_hop);
1572         if (!sta) {
1573                 rcu_read_unlock();
1574                 return -ENOENT;
1575         }
1576
1577         mpath = mesh_path_add(sdata, dst);
1578         if (IS_ERR(mpath)) {
1579                 rcu_read_unlock();
1580                 return PTR_ERR(mpath);
1581         }
1582
1583         mesh_path_fix_nexthop(mpath, sta);
1584
1585         rcu_read_unlock();
1586         return 0;
1587 }
1588
1589 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1590                                u8 *dst)
1591 {
1592         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1593
1594         if (dst)
1595                 return mesh_path_del(sdata, dst);
1596
1597         mesh_path_flush_by_iface(sdata);
1598         return 0;
1599 }
1600
1601 static int ieee80211_change_mpath(struct wiphy *wiphy,
1602                                     struct net_device *dev,
1603                                     u8 *dst, u8 *next_hop)
1604 {
1605         struct ieee80211_sub_if_data *sdata;
1606         struct mesh_path *mpath;
1607         struct sta_info *sta;
1608
1609         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1610
1611         rcu_read_lock();
1612
1613         sta = sta_info_get(sdata, next_hop);
1614         if (!sta) {
1615                 rcu_read_unlock();
1616                 return -ENOENT;
1617         }
1618
1619         mpath = mesh_path_lookup(sdata, dst);
1620         if (!mpath) {
1621                 rcu_read_unlock();
1622                 return -ENOENT;
1623         }
1624
1625         mesh_path_fix_nexthop(mpath, sta);
1626
1627         rcu_read_unlock();
1628         return 0;
1629 }
1630
1631 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1632                             struct mpath_info *pinfo)
1633 {
1634         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1635
1636         if (next_hop_sta)
1637                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1638         else
1639                 memset(next_hop, 0, ETH_ALEN);
1640
1641         memset(pinfo, 0, sizeof(*pinfo));
1642
1643         pinfo->generation = mesh_paths_generation;
1644
1645         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1646                         MPATH_INFO_SN |
1647                         MPATH_INFO_METRIC |
1648                         MPATH_INFO_EXPTIME |
1649                         MPATH_INFO_DISCOVERY_TIMEOUT |
1650                         MPATH_INFO_DISCOVERY_RETRIES |
1651                         MPATH_INFO_FLAGS;
1652
1653         pinfo->frame_qlen = mpath->frame_queue.qlen;
1654         pinfo->sn = mpath->sn;
1655         pinfo->metric = mpath->metric;
1656         if (time_before(jiffies, mpath->exp_time))
1657                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1658         pinfo->discovery_timeout =
1659                         jiffies_to_msecs(mpath->discovery_timeout);
1660         pinfo->discovery_retries = mpath->discovery_retries;
1661         if (mpath->flags & MESH_PATH_ACTIVE)
1662                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1663         if (mpath->flags & MESH_PATH_RESOLVING)
1664                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1665         if (mpath->flags & MESH_PATH_SN_VALID)
1666                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1667         if (mpath->flags & MESH_PATH_FIXED)
1668                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1669         if (mpath->flags & MESH_PATH_RESOLVED)
1670                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1671 }
1672
1673 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1674                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1675
1676 {
1677         struct ieee80211_sub_if_data *sdata;
1678         struct mesh_path *mpath;
1679
1680         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1681
1682         rcu_read_lock();
1683         mpath = mesh_path_lookup(sdata, dst);
1684         if (!mpath) {
1685                 rcu_read_unlock();
1686                 return -ENOENT;
1687         }
1688         memcpy(dst, mpath->dst, ETH_ALEN);
1689         mpath_set_pinfo(mpath, next_hop, pinfo);
1690         rcu_read_unlock();
1691         return 0;
1692 }
1693
1694 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1695                                  int idx, u8 *dst, u8 *next_hop,
1696                                  struct mpath_info *pinfo)
1697 {
1698         struct ieee80211_sub_if_data *sdata;
1699         struct mesh_path *mpath;
1700
1701         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1702
1703         rcu_read_lock();
1704         mpath = mesh_path_lookup_by_idx(sdata, idx);
1705         if (!mpath) {
1706                 rcu_read_unlock();
1707                 return -ENOENT;
1708         }
1709         memcpy(dst, mpath->dst, ETH_ALEN);
1710         mpath_set_pinfo(mpath, next_hop, pinfo);
1711         rcu_read_unlock();
1712         return 0;
1713 }
1714
1715 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1716                                 struct net_device *dev,
1717                                 struct mesh_config *conf)
1718 {
1719         struct ieee80211_sub_if_data *sdata;
1720         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1721
1722         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1723         return 0;
1724 }
1725
1726 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1727 {
1728         return (mask >> (parm-1)) & 0x1;
1729 }
1730
1731 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1732                 const struct mesh_setup *setup)
1733 {
1734         u8 *new_ie;
1735         const u8 *old_ie;
1736         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1737                                         struct ieee80211_sub_if_data, u.mesh);
1738
1739         /* allocate information elements */
1740         new_ie = NULL;
1741         old_ie = ifmsh->ie;
1742
1743         if (setup->ie_len) {
1744                 new_ie = kmemdup(setup->ie, setup->ie_len,
1745                                 GFP_KERNEL);
1746                 if (!new_ie)
1747                         return -ENOMEM;
1748         }
1749         ifmsh->ie_len = setup->ie_len;
1750         ifmsh->ie = new_ie;
1751         kfree(old_ie);
1752
1753         /* now copy the rest of the setup parameters */
1754         ifmsh->mesh_id_len = setup->mesh_id_len;
1755         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1756         ifmsh->mesh_sp_id = setup->sync_method;
1757         ifmsh->mesh_pp_id = setup->path_sel_proto;
1758         ifmsh->mesh_pm_id = setup->path_metric;
1759         ifmsh->user_mpm = setup->user_mpm;
1760         ifmsh->mesh_auth_id = setup->auth_id;
1761         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1762         if (setup->is_authenticated)
1763                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1764         if (setup->is_secure)
1765                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1766
1767         /* mcast rate setting in Mesh Node */
1768         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1769                                                 sizeof(setup->mcast_rate));
1770         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1771
1772         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1773         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1774
1775         return 0;
1776 }
1777
1778 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1779                                         struct net_device *dev, u32 mask,
1780                                         const struct mesh_config *nconf)
1781 {
1782         struct mesh_config *conf;
1783         struct ieee80211_sub_if_data *sdata;
1784         struct ieee80211_if_mesh *ifmsh;
1785
1786         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1787         ifmsh = &sdata->u.mesh;
1788
1789         /* Set the config options which we are interested in setting */
1790         conf = &(sdata->u.mesh.mshcfg);
1791         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1792                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1793         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1794                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1795         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1796                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1797         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1798                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1799         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1800                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1801         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1802                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1803         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1804                 conf->element_ttl = nconf->element_ttl;
1805         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1806                 if (ifmsh->user_mpm)
1807                         return -EBUSY;
1808                 conf->auto_open_plinks = nconf->auto_open_plinks;
1809         }
1810         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1811                 conf->dot11MeshNbrOffsetMaxNeighbor =
1812                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1813         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1814                 conf->dot11MeshHWMPmaxPREQretries =
1815                         nconf->dot11MeshHWMPmaxPREQretries;
1816         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1817                 conf->path_refresh_time = nconf->path_refresh_time;
1818         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1819                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1820         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1821                 conf->dot11MeshHWMPactivePathTimeout =
1822                         nconf->dot11MeshHWMPactivePathTimeout;
1823         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1824                 conf->dot11MeshHWMPpreqMinInterval =
1825                         nconf->dot11MeshHWMPpreqMinInterval;
1826         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1827                 conf->dot11MeshHWMPperrMinInterval =
1828                         nconf->dot11MeshHWMPperrMinInterval;
1829         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1830                            mask))
1831                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1832                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1833         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1834                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1835                 ieee80211_mesh_root_setup(ifmsh);
1836         }
1837         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1838                 /* our current gate announcement implementation rides on root
1839                  * announcements, so require this ifmsh to also be a root node
1840                  * */
1841                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1842                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1843                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1844                         ieee80211_mesh_root_setup(ifmsh);
1845                 }
1846                 conf->dot11MeshGateAnnouncementProtocol =
1847                         nconf->dot11MeshGateAnnouncementProtocol;
1848         }
1849         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1850                 conf->dot11MeshHWMPRannInterval =
1851                         nconf->dot11MeshHWMPRannInterval;
1852         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1853                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1854         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1855                 /* our RSSI threshold implementation is supported only for
1856                  * devices that report signal in dBm.
1857                  */
1858                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1859                         return -ENOTSUPP;
1860                 conf->rssi_threshold = nconf->rssi_threshold;
1861         }
1862         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1863                 conf->ht_opmode = nconf->ht_opmode;
1864                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1865                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1866         }
1867         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1868                 conf->dot11MeshHWMPactivePathToRootTimeout =
1869                         nconf->dot11MeshHWMPactivePathToRootTimeout;
1870         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1871                 conf->dot11MeshHWMProotInterval =
1872                         nconf->dot11MeshHWMProotInterval;
1873         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1874                 conf->dot11MeshHWMPconfirmationInterval =
1875                         nconf->dot11MeshHWMPconfirmationInterval;
1876         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1877                 conf->power_mode = nconf->power_mode;
1878                 ieee80211_mps_local_status_update(sdata);
1879         }
1880         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1881                 conf->dot11MeshAwakeWindowDuration =
1882                         nconf->dot11MeshAwakeWindowDuration;
1883         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1884                 conf->plink_timeout = nconf->plink_timeout;
1885         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1886         return 0;
1887 }
1888
1889 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1890                                const struct mesh_config *conf,
1891                                const struct mesh_setup *setup)
1892 {
1893         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1894         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1895         int err;
1896
1897         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1898         err = copy_mesh_setup(ifmsh, setup);
1899         if (err)
1900                 return err;
1901
1902         /* can mesh use other SMPS modes? */
1903         sdata->smps_mode = IEEE80211_SMPS_OFF;
1904         sdata->needed_rx_chains = sdata->local->rx_chains;
1905
1906         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1907                                         IEEE80211_CHANCTX_SHARED);
1908         if (err)
1909                 return err;
1910
1911         return ieee80211_start_mesh(sdata);
1912 }
1913
1914 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1915 {
1916         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1917
1918         ieee80211_stop_mesh(sdata);
1919         ieee80211_vif_release_channel(sdata);
1920
1921         return 0;
1922 }
1923 #endif
1924
1925 static int ieee80211_change_bss(struct wiphy *wiphy,
1926                                 struct net_device *dev,
1927                                 struct bss_parameters *params)
1928 {
1929         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1930         enum ieee80211_band band;
1931         u32 changed = 0;
1932
1933         if (!rtnl_dereference(sdata->u.ap.beacon))
1934                 return -ENOENT;
1935
1936         band = ieee80211_get_sdata_band(sdata);
1937
1938         if (params->use_cts_prot >= 0) {
1939                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1940                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1941         }
1942         if (params->use_short_preamble >= 0) {
1943                 sdata->vif.bss_conf.use_short_preamble =
1944                         params->use_short_preamble;
1945                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1946         }
1947
1948         if (!sdata->vif.bss_conf.use_short_slot &&
1949             band == IEEE80211_BAND_5GHZ) {
1950                 sdata->vif.bss_conf.use_short_slot = true;
1951                 changed |= BSS_CHANGED_ERP_SLOT;
1952         }
1953
1954         if (params->use_short_slot_time >= 0) {
1955                 sdata->vif.bss_conf.use_short_slot =
1956                         params->use_short_slot_time;
1957                 changed |= BSS_CHANGED_ERP_SLOT;
1958         }
1959
1960         if (params->basic_rates) {
1961                 int i, j;
1962                 u32 rates = 0;
1963                 struct ieee80211_supported_band *sband = wiphy->bands[band];
1964
1965                 for (i = 0; i < params->basic_rates_len; i++) {
1966                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1967                         for (j = 0; j < sband->n_bitrates; j++) {
1968                                 if (sband->bitrates[j].bitrate == rate)
1969                                         rates |= BIT(j);
1970                         }
1971                 }
1972                 sdata->vif.bss_conf.basic_rates = rates;
1973                 changed |= BSS_CHANGED_BASIC_RATES;
1974         }
1975
1976         if (params->ap_isolate >= 0) {
1977                 if (params->ap_isolate)
1978                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1979                 else
1980                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1981         }
1982
1983         if (params->ht_opmode >= 0) {
1984                 sdata->vif.bss_conf.ht_operation_mode =
1985                         (u16) params->ht_opmode;
1986                 changed |= BSS_CHANGED_HT;
1987         }
1988
1989         if (params->p2p_ctwindow >= 0) {
1990                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
1991                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1992                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1993                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1994                 changed |= BSS_CHANGED_P2P_PS;
1995         }
1996
1997         if (params->p2p_opp_ps > 0) {
1998                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1999                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2000                 changed |= BSS_CHANGED_P2P_PS;
2001         } else if (params->p2p_opp_ps == 0) {
2002                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2003                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2004                 changed |= BSS_CHANGED_P2P_PS;
2005         }
2006
2007         ieee80211_bss_info_change_notify(sdata, changed);
2008
2009         return 0;
2010 }
2011
2012 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2013                                     struct net_device *dev,
2014                                     struct ieee80211_txq_params *params)
2015 {
2016         struct ieee80211_local *local = wiphy_priv(wiphy);
2017         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2018         struct ieee80211_tx_queue_params p;
2019
2020         if (!local->ops->conf_tx)
2021                 return -EOPNOTSUPP;
2022
2023         if (local->hw.queues < IEEE80211_NUM_ACS)
2024                 return -EOPNOTSUPP;
2025
2026         memset(&p, 0, sizeof(p));
2027         p.aifs = params->aifs;
2028         p.cw_max = params->cwmax;
2029         p.cw_min = params->cwmin;
2030         p.txop = params->txop;
2031
2032         /*
2033          * Setting tx queue params disables u-apsd because it's only
2034          * called in master mode.
2035          */
2036         p.uapsd = false;
2037
2038         sdata->tx_conf[params->ac] = p;
2039         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2040                 wiphy_debug(local->hw.wiphy,
2041                             "failed to set TX queue parameters for AC %d\n",
2042                             params->ac);
2043                 return -EINVAL;
2044         }
2045
2046         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2047
2048         return 0;
2049 }
2050
2051 #ifdef CONFIG_PM
2052 static int ieee80211_suspend(struct wiphy *wiphy,
2053                              struct cfg80211_wowlan *wowlan)
2054 {
2055         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2056 }
2057
2058 static int ieee80211_resume(struct wiphy *wiphy)
2059 {
2060         return __ieee80211_resume(wiphy_priv(wiphy));
2061 }
2062 #else
2063 #define ieee80211_suspend NULL
2064 #define ieee80211_resume NULL
2065 #endif
2066
2067 static int ieee80211_scan(struct wiphy *wiphy,
2068                           struct cfg80211_scan_request *req)
2069 {
2070         struct ieee80211_sub_if_data *sdata;
2071
2072         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2073
2074         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2075         case NL80211_IFTYPE_STATION:
2076         case NL80211_IFTYPE_ADHOC:
2077         case NL80211_IFTYPE_MESH_POINT:
2078         case NL80211_IFTYPE_P2P_CLIENT:
2079         case NL80211_IFTYPE_P2P_DEVICE:
2080                 break;
2081         case NL80211_IFTYPE_P2P_GO:
2082                 if (sdata->local->ops->hw_scan)
2083                         break;
2084                 /*
2085                  * FIXME: implement NoA while scanning in software,
2086                  * for now fall through to allow scanning only when
2087                  * beaconing hasn't been configured yet
2088                  */
2089         case NL80211_IFTYPE_AP:
2090                 /*
2091                  * If the scan has been forced (and the driver supports
2092                  * forcing), don't care about being beaconing already.
2093                  * This will create problems to the attached stations (e.g. all
2094                  * the  frames sent while scanning on other channel will be
2095                  * lost)
2096                  */
2097                 if (sdata->u.ap.beacon &&
2098                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2099                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2100                         return -EOPNOTSUPP;
2101                 break;
2102         default:
2103                 return -EOPNOTSUPP;
2104         }
2105
2106         return ieee80211_request_scan(sdata, req);
2107 }
2108
2109 static int
2110 ieee80211_sched_scan_start(struct wiphy *wiphy,
2111                            struct net_device *dev,
2112                            struct cfg80211_sched_scan_request *req)
2113 {
2114         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2115
2116         if (!sdata->local->ops->sched_scan_start)
2117                 return -EOPNOTSUPP;
2118
2119         return ieee80211_request_sched_scan_start(sdata, req);
2120 }
2121
2122 static int
2123 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2124 {
2125         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2126
2127         if (!sdata->local->ops->sched_scan_stop)
2128                 return -EOPNOTSUPP;
2129
2130         return ieee80211_request_sched_scan_stop(sdata);
2131 }
2132
2133 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2134                           struct cfg80211_auth_request *req)
2135 {
2136         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2137 }
2138
2139 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2140                            struct cfg80211_assoc_request *req)
2141 {
2142         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2143 }
2144
2145 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2146                             struct cfg80211_deauth_request *req)
2147 {
2148         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2149 }
2150
2151 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2152                               struct cfg80211_disassoc_request *req)
2153 {
2154         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2155 }
2156
2157 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2158                                struct cfg80211_ibss_params *params)
2159 {
2160         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2161 }
2162
2163 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2164 {
2165         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2166 }
2167
2168 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2169                                     int rate[IEEE80211_NUM_BANDS])
2170 {
2171         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2172
2173         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2174                sizeof(int) * IEEE80211_NUM_BANDS);
2175
2176         return 0;
2177 }
2178
2179 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2180 {
2181         struct ieee80211_local *local = wiphy_priv(wiphy);
2182         int err;
2183
2184         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2185                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2186
2187                 if (err)
2188                         return err;
2189         }
2190
2191         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
2192                 err = drv_set_coverage_class(local, wiphy->coverage_class);
2193
2194                 if (err)
2195                         return err;
2196         }
2197
2198         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2199                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2200
2201                 if (err)
2202                         return err;
2203         }
2204
2205         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2206                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2207                         return -EINVAL;
2208                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2209         }
2210         if (changed & WIPHY_PARAM_RETRY_LONG) {
2211                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2212                         return -EINVAL;
2213                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2214         }
2215         if (changed &
2216             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2217                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2218
2219         return 0;
2220 }
2221
2222 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2223                                   struct wireless_dev *wdev,
2224                                   enum nl80211_tx_power_setting type, int mbm)
2225 {
2226         struct ieee80211_local *local = wiphy_priv(wiphy);
2227         struct ieee80211_sub_if_data *sdata;
2228
2229         if (wdev) {
2230                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2231
2232                 switch (type) {
2233                 case NL80211_TX_POWER_AUTOMATIC:
2234                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2235                         break;
2236                 case NL80211_TX_POWER_LIMITED:
2237                 case NL80211_TX_POWER_FIXED:
2238                         if (mbm < 0 || (mbm % 100))
2239                                 return -EOPNOTSUPP;
2240                         sdata->user_power_level = MBM_TO_DBM(mbm);
2241                         break;
2242                 }
2243
2244                 ieee80211_recalc_txpower(sdata);
2245
2246                 return 0;
2247         }
2248
2249         switch (type) {
2250         case NL80211_TX_POWER_AUTOMATIC:
2251                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2252                 break;
2253         case NL80211_TX_POWER_LIMITED:
2254         case NL80211_TX_POWER_FIXED:
2255                 if (mbm < 0 || (mbm % 100))
2256                         return -EOPNOTSUPP;
2257                 local->user_power_level = MBM_TO_DBM(mbm);
2258                 break;
2259         }
2260
2261         mutex_lock(&local->iflist_mtx);
2262         list_for_each_entry(sdata, &local->interfaces, list)
2263                 sdata->user_power_level = local->user_power_level;
2264         list_for_each_entry(sdata, &local->interfaces, list)
2265                 ieee80211_recalc_txpower(sdata);
2266         mutex_unlock(&local->iflist_mtx);
2267
2268         return 0;
2269 }
2270
2271 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2272                                   struct wireless_dev *wdev,
2273                                   int *dbm)
2274 {
2275         struct ieee80211_local *local = wiphy_priv(wiphy);
2276         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2277
2278         if (!local->use_chanctx)
2279                 *dbm = local->hw.conf.power_level;
2280         else
2281                 *dbm = sdata->vif.bss_conf.txpower;
2282
2283         return 0;
2284 }
2285
2286 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2287                                   const u8 *addr)
2288 {
2289         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2290
2291         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2292
2293         return 0;
2294 }
2295
2296 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2297 {
2298         struct ieee80211_local *local = wiphy_priv(wiphy);
2299
2300         drv_rfkill_poll(local);
2301 }
2302
2303 #ifdef CONFIG_NL80211_TESTMODE
2304 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
2305 {
2306         struct ieee80211_local *local = wiphy_priv(wiphy);
2307
2308         if (!local->ops->testmode_cmd)
2309                 return -EOPNOTSUPP;
2310
2311         return local->ops->testmode_cmd(&local->hw, data, len);
2312 }
2313
2314 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2315                                    struct sk_buff *skb,
2316                                    struct netlink_callback *cb,
2317                                    void *data, int len)
2318 {
2319         struct ieee80211_local *local = wiphy_priv(wiphy);
2320
2321         if (!local->ops->testmode_dump)
2322                 return -EOPNOTSUPP;
2323
2324         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2325 }
2326 #endif
2327
2328 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
2329                              enum ieee80211_smps_mode smps_mode)
2330 {
2331         const u8 *ap;
2332         enum ieee80211_smps_mode old_req;
2333         int err;
2334
2335         lockdep_assert_held(&sdata->wdev.mtx);
2336
2337         old_req = sdata->u.mgd.req_smps;
2338         sdata->u.mgd.req_smps = smps_mode;
2339
2340         if (old_req == smps_mode &&
2341             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2342                 return 0;
2343
2344         /*
2345          * If not associated, or current association is not an HT
2346          * association, there's no need to do anything, just store
2347          * the new value until we associate.
2348          */
2349         if (!sdata->u.mgd.associated ||
2350             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2351                 return 0;
2352
2353         ap = sdata->u.mgd.associated->bssid;
2354
2355         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2356                 if (sdata->u.mgd.powersave)
2357                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2358                 else
2359                         smps_mode = IEEE80211_SMPS_OFF;
2360         }
2361
2362         /* send SM PS frame to AP */
2363         err = ieee80211_send_smps_action(sdata, smps_mode,
2364                                          ap, ap);
2365         if (err)
2366                 sdata->u.mgd.req_smps = old_req;
2367
2368         return err;
2369 }
2370
2371 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2372                                     bool enabled, int timeout)
2373 {
2374         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2375         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2376
2377         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
2378             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
2379                 return -EOPNOTSUPP;
2380
2381         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2382                 return -EOPNOTSUPP;
2383
2384         if (enabled == sdata->u.mgd.powersave &&
2385             timeout == local->dynamic_ps_forced_timeout)
2386                 return 0;
2387
2388         sdata->u.mgd.powersave = enabled;
2389         local->dynamic_ps_forced_timeout = timeout;
2390
2391         /* no change, but if automatic follow powersave */
2392         sdata_lock(sdata);
2393         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2394         sdata_unlock(sdata);
2395
2396         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2397                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2398
2399         ieee80211_recalc_ps(local, -1);
2400         ieee80211_recalc_ps_vif(sdata);
2401
2402         return 0;
2403 }
2404
2405 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2406                                          struct net_device *dev,
2407                                          s32 rssi_thold, u32 rssi_hyst)
2408 {
2409         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2410         struct ieee80211_vif *vif = &sdata->vif;
2411         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2412
2413         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2414             rssi_hyst == bss_conf->cqm_rssi_hyst)
2415                 return 0;
2416
2417         bss_conf->cqm_rssi_thold = rssi_thold;
2418         bss_conf->cqm_rssi_hyst = rssi_hyst;
2419
2420         /* tell the driver upon association, unless already associated */
2421         if (sdata->u.mgd.associated &&
2422             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2423                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2424
2425         return 0;
2426 }
2427
2428 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2429                                       struct net_device *dev,
2430                                       const u8 *addr,
2431                                       const struct cfg80211_bitrate_mask *mask)
2432 {
2433         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2434         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2435         int i, ret;
2436
2437         if (!ieee80211_sdata_running(sdata))
2438                 return -ENETDOWN;
2439
2440         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2441                 ret = drv_set_bitrate_mask(local, sdata, mask);
2442                 if (ret)
2443                         return ret;
2444         }
2445
2446         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2447                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2448                 int j;
2449
2450                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2451                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2452                        sizeof(mask->control[i].mcs));
2453
2454                 sdata->rc_has_mcs_mask[i] = false;
2455                 if (!sband)
2456                         continue;
2457
2458                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++)
2459                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2460                                 sdata->rc_has_mcs_mask[i] = true;
2461                                 break;
2462                         }
2463         }
2464
2465         return 0;
2466 }
2467
2468 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2469                                     struct ieee80211_sub_if_data *sdata,
2470                                     struct ieee80211_channel *channel,
2471                                     unsigned int duration, u64 *cookie,
2472                                     struct sk_buff *txskb,
2473                                     enum ieee80211_roc_type type)
2474 {
2475         struct ieee80211_roc_work *roc, *tmp;
2476         bool queued = false;
2477         int ret;
2478
2479         lockdep_assert_held(&local->mtx);
2480
2481         if (local->use_chanctx && !local->ops->remain_on_channel)
2482                 return -EOPNOTSUPP;
2483
2484         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2485         if (!roc)
2486                 return -ENOMEM;
2487
2488         roc->chan = channel;
2489         roc->duration = duration;
2490         roc->req_duration = duration;
2491         roc->frame = txskb;
2492         roc->type = type;
2493         roc->mgmt_tx_cookie = (unsigned long)txskb;
2494         roc->sdata = sdata;
2495         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2496         INIT_LIST_HEAD(&roc->dependents);
2497
2498         /* if there's one pending or we're scanning, queue this one */
2499         if (!list_empty(&local->roc_list) ||
2500             local->scanning || local->radar_detect_enabled)
2501                 goto out_check_combine;
2502
2503         /* if not HW assist, just queue & schedule work */
2504         if (!local->ops->remain_on_channel) {
2505                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2506                 goto out_queue;
2507         }
2508
2509         /* otherwise actually kick it off here (for error handling) */
2510
2511         /*
2512          * If the duration is zero, then the driver
2513          * wouldn't actually do anything. Set it to
2514          * 10 for now.
2515          *
2516          * TODO: cancel the off-channel operation
2517          *       when we get the SKB's TX status and
2518          *       the wait time was zero before.
2519          */
2520         if (!duration)
2521                 duration = 10;
2522
2523         ret = drv_remain_on_channel(local, sdata, channel, duration, type);
2524         if (ret) {
2525                 kfree(roc);
2526                 return ret;
2527         }
2528
2529         roc->started = true;
2530         goto out_queue;
2531
2532  out_check_combine:
2533         list_for_each_entry(tmp, &local->roc_list, list) {
2534                 if (tmp->chan != channel || tmp->sdata != sdata)
2535                         continue;
2536
2537                 /*
2538                  * Extend this ROC if possible:
2539                  *
2540                  * If it hasn't started yet, just increase the duration
2541                  * and add the new one to the list of dependents.
2542                  * If the type of the new ROC has higher priority, modify the
2543                  * type of the previous one to match that of the new one.
2544                  */
2545                 if (!tmp->started) {
2546                         list_add_tail(&roc->list, &tmp->dependents);
2547                         tmp->duration = max(tmp->duration, roc->duration);
2548                         tmp->type = max(tmp->type, roc->type);
2549                         queued = true;
2550                         break;
2551                 }
2552
2553                 /* If it has already started, it's more difficult ... */
2554                 if (local->ops->remain_on_channel) {
2555                         unsigned long j = jiffies;
2556
2557                         /*
2558                          * In the offloaded ROC case, if it hasn't begun, add
2559                          * this new one to the dependent list to be handled
2560                          * when the master one begins. If it has begun,
2561                          * check that there's still a minimum time left and
2562                          * if so, start this one, transmitting the frame, but
2563                          * add it to the list directly after this one with
2564                          * a reduced time so we'll ask the driver to execute
2565                          * it right after finishing the previous one, in the
2566                          * hope that it'll also be executed right afterwards,
2567                          * effectively extending the old one.
2568                          * If there's no minimum time left, just add it to the
2569                          * normal list.
2570                          * TODO: the ROC type is ignored here, assuming that it
2571                          * is better to immediately use the current ROC.
2572                          */
2573                         if (!tmp->hw_begun) {
2574                                 list_add_tail(&roc->list, &tmp->dependents);
2575                                 queued = true;
2576                                 break;
2577                         }
2578
2579                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2580                                         tmp->hw_start_time +
2581                                         msecs_to_jiffies(tmp->duration))) {
2582                                 int new_dur;
2583
2584                                 ieee80211_handle_roc_started(roc);
2585
2586                                 new_dur = roc->duration -
2587                                           jiffies_to_msecs(tmp->hw_start_time +
2588                                                            msecs_to_jiffies(
2589                                                                 tmp->duration) -
2590                                                            j);
2591
2592                                 if (new_dur > 0) {
2593                                         /* add right after tmp */
2594                                         list_add(&roc->list, &tmp->list);
2595                                 } else {
2596                                         list_add_tail(&roc->list,
2597                                                       &tmp->dependents);
2598                                 }
2599                                 queued = true;
2600                         }
2601                 } else if (del_timer_sync(&tmp->work.timer)) {
2602                         unsigned long new_end;
2603
2604                         /*
2605                          * In the software ROC case, cancel the timer, if
2606                          * that fails then the finish work is already
2607                          * queued/pending and thus we queue the new ROC
2608                          * normally, if that succeeds then we can extend
2609                          * the timer duration and TX the frame (if any.)
2610                          */
2611
2612                         list_add_tail(&roc->list, &tmp->dependents);
2613                         queued = true;
2614
2615                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2616
2617                         /* ok, it was started & we canceled timer */
2618                         if (time_after(new_end, tmp->work.timer.expires))
2619                                 mod_timer(&tmp->work.timer, new_end);
2620                         else
2621                                 add_timer(&tmp->work.timer);
2622
2623                         ieee80211_handle_roc_started(roc);
2624                 }
2625                 break;
2626         }
2627
2628  out_queue:
2629         if (!queued)
2630                 list_add_tail(&roc->list, &local->roc_list);
2631
2632         /*
2633          * cookie is either the roc cookie (for normal roc)
2634          * or the SKB (for mgmt TX)
2635          */
2636         if (!txskb) {
2637                 /* local->mtx protects this */
2638                 local->roc_cookie_counter++;
2639                 roc->cookie = local->roc_cookie_counter;
2640                 /* wow, you wrapped 64 bits ... more likely a bug */
2641                 if (WARN_ON(roc->cookie == 0)) {
2642                         roc->cookie = 1;
2643                         local->roc_cookie_counter++;
2644                 }
2645                 *cookie = roc->cookie;
2646         } else {
2647                 *cookie = (unsigned long)txskb;
2648         }
2649
2650         return 0;
2651 }
2652
2653 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2654                                        struct wireless_dev *wdev,
2655                                        struct ieee80211_channel *chan,
2656                                        unsigned int duration,
2657                                        u64 *cookie)
2658 {
2659         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2660         struct ieee80211_local *local = sdata->local;
2661         int ret;
2662
2663         mutex_lock(&local->mtx);
2664         ret = ieee80211_start_roc_work(local, sdata, chan,
2665                                        duration, cookie, NULL,
2666                                        IEEE80211_ROC_TYPE_NORMAL);
2667         mutex_unlock(&local->mtx);
2668
2669         return ret;
2670 }
2671
2672 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2673                                 u64 cookie, bool mgmt_tx)
2674 {
2675         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2676         int ret;
2677
2678         mutex_lock(&local->mtx);
2679         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2680                 struct ieee80211_roc_work *dep, *tmp2;
2681
2682                 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) {
2683                         if (!mgmt_tx && dep->cookie != cookie)
2684                                 continue;
2685                         else if (mgmt_tx && dep->mgmt_tx_cookie != cookie)
2686                                 continue;
2687                         /* found dependent item -- just remove it */
2688                         list_del(&dep->list);
2689                         mutex_unlock(&local->mtx);
2690
2691                         ieee80211_roc_notify_destroy(dep, true);
2692                         return 0;
2693                 }
2694
2695                 if (!mgmt_tx && roc->cookie != cookie)
2696                         continue;
2697                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2698                         continue;
2699
2700                 found = roc;
2701                 break;
2702         }
2703
2704         if (!found) {
2705                 mutex_unlock(&local->mtx);
2706                 return -ENOENT;
2707         }
2708
2709         /*
2710          * We found the item to cancel, so do that. Note that it
2711          * may have dependents, which we also cancel (and send
2712          * the expired signal for.) Not doing so would be quite
2713          * tricky here, but we may need to fix it later.
2714          */
2715
2716         if (local->ops->remain_on_channel) {
2717                 if (found->started) {
2718                         ret = drv_cancel_remain_on_channel(local);
2719                         if (WARN_ON_ONCE(ret)) {
2720                                 mutex_unlock(&local->mtx);
2721                                 return ret;
2722                         }
2723                 }
2724
2725                 list_del(&found->list);
2726
2727                 if (found->started)
2728                         ieee80211_start_next_roc(local);
2729                 mutex_unlock(&local->mtx);
2730
2731                 ieee80211_roc_notify_destroy(found, true);
2732         } else {
2733                 /* work may be pending so use it all the time */
2734                 found->abort = true;
2735                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2736
2737                 mutex_unlock(&local->mtx);
2738
2739                 /* work will clean up etc */
2740                 flush_delayed_work(&found->work);
2741                 WARN_ON(!found->to_be_freed);
2742                 kfree(found);
2743         }
2744
2745         return 0;
2746 }
2747
2748 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2749                                               struct wireless_dev *wdev,
2750                                               u64 cookie)
2751 {
2752         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2753         struct ieee80211_local *local = sdata->local;
2754
2755         return ieee80211_cancel_roc(local, cookie, false);
2756 }
2757
2758 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2759                                            struct net_device *dev,
2760                                            struct cfg80211_chan_def *chandef)
2761 {
2762         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2763         struct ieee80211_local *local = sdata->local;
2764         unsigned long timeout;
2765         int err;
2766
2767         if (!list_empty(&local->roc_list) || local->scanning)
2768                 return -EBUSY;
2769
2770         /* whatever, but channel contexts should not complain about that one */
2771         sdata->smps_mode = IEEE80211_SMPS_OFF;
2772         sdata->needed_rx_chains = local->rx_chains;
2773         sdata->radar_required = true;
2774
2775         mutex_lock(&local->iflist_mtx);
2776         err = ieee80211_vif_use_channel(sdata, chandef,
2777                                         IEEE80211_CHANCTX_SHARED);
2778         mutex_unlock(&local->iflist_mtx);
2779         if (err)
2780                 return err;
2781
2782         timeout = msecs_to_jiffies(IEEE80211_DFS_MIN_CAC_TIME_MS);
2783         ieee80211_queue_delayed_work(&sdata->local->hw,
2784                                      &sdata->dfs_cac_timer_work, timeout);
2785
2786         return 0;
2787 }
2788
2789 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2790                              struct ieee80211_channel *chan, bool offchan,
2791                              unsigned int wait, const u8 *buf, size_t len,
2792                              bool no_cck, bool dont_wait_for_ack, u64 *cookie)
2793 {
2794         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2795         struct ieee80211_local *local = sdata->local;
2796         struct sk_buff *skb;
2797         struct sta_info *sta;
2798         const struct ieee80211_mgmt *mgmt = (void *)buf;
2799         bool need_offchan = false;
2800         u32 flags;
2801         int ret;
2802
2803         if (dont_wait_for_ack)
2804                 flags = IEEE80211_TX_CTL_NO_ACK;
2805         else
2806                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2807                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2808
2809         if (no_cck)
2810                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2811
2812         switch (sdata->vif.type) {
2813         case NL80211_IFTYPE_ADHOC:
2814                 if (!sdata->vif.bss_conf.ibss_joined)
2815                         need_offchan = true;
2816                 /* fall through */
2817 #ifdef CONFIG_MAC80211_MESH
2818         case NL80211_IFTYPE_MESH_POINT:
2819                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2820                     !sdata->u.mesh.mesh_id_len)
2821                         need_offchan = true;
2822                 /* fall through */
2823 #endif
2824         case NL80211_IFTYPE_AP:
2825         case NL80211_IFTYPE_AP_VLAN:
2826         case NL80211_IFTYPE_P2P_GO:
2827                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2828                     !ieee80211_vif_is_mesh(&sdata->vif) &&
2829                     !rcu_access_pointer(sdata->bss->beacon))
2830                         need_offchan = true;
2831                 if (!ieee80211_is_action(mgmt->frame_control) ||
2832                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC ||
2833                     mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED)
2834                         break;
2835                 rcu_read_lock();
2836                 sta = sta_info_get(sdata, mgmt->da);
2837                 rcu_read_unlock();
2838                 if (!sta)
2839                         return -ENOLINK;
2840                 break;
2841         case NL80211_IFTYPE_STATION:
2842         case NL80211_IFTYPE_P2P_CLIENT:
2843                 if (!sdata->u.mgd.associated)
2844                         need_offchan = true;
2845                 break;
2846         case NL80211_IFTYPE_P2P_DEVICE:
2847                 need_offchan = true;
2848                 break;
2849         default:
2850                 return -EOPNOTSUPP;
2851         }
2852
2853         /* configurations requiring offchan cannot work if no channel has been
2854          * specified
2855          */
2856         if (need_offchan && !chan)
2857                 return -EINVAL;
2858
2859         mutex_lock(&local->mtx);
2860
2861         /* Check if the operating channel is the requested channel */
2862         if (!need_offchan) {
2863                 struct ieee80211_chanctx_conf *chanctx_conf;
2864
2865                 rcu_read_lock();
2866                 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
2867
2868                 if (chanctx_conf) {
2869                         need_offchan = chan && (chan != chanctx_conf->def.chan);
2870                 } else if (!chan) {
2871                         ret = -EINVAL;
2872                         rcu_read_unlock();
2873                         goto out_unlock;
2874                 } else {
2875                         need_offchan = true;
2876                 }
2877                 rcu_read_unlock();
2878         }
2879
2880         if (need_offchan && !offchan) {
2881                 ret = -EBUSY;
2882                 goto out_unlock;
2883         }
2884
2885         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2886         if (!skb) {
2887                 ret = -ENOMEM;
2888                 goto out_unlock;
2889         }
2890         skb_reserve(skb, local->hw.extra_tx_headroom);
2891
2892         memcpy(skb_put(skb, len), buf, len);
2893
2894         IEEE80211_SKB_CB(skb)->flags = flags;
2895
2896         skb->dev = sdata->dev;
2897
2898         if (!need_offchan) {
2899                 *cookie = (unsigned long) skb;
2900                 ieee80211_tx_skb(sdata, skb);
2901                 ret = 0;
2902                 goto out_unlock;
2903         }
2904
2905         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN |
2906                                         IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
2907         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2908                 IEEE80211_SKB_CB(skb)->hw_queue =
2909                         local->hw.offchannel_tx_hw_queue;
2910
2911         /* This will handle all kinds of coalescing and immediate TX */
2912         ret = ieee80211_start_roc_work(local, sdata, chan,
2913                                        wait, cookie, skb,
2914                                        IEEE80211_ROC_TYPE_MGMT_TX);
2915         if (ret)
2916                 kfree_skb(skb);
2917  out_unlock:
2918         mutex_unlock(&local->mtx);
2919         return ret;
2920 }
2921
2922 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2923                                          struct wireless_dev *wdev,
2924                                          u64 cookie)
2925 {
2926         struct ieee80211_local *local = wiphy_priv(wiphy);
2927
2928         return ieee80211_cancel_roc(local, cookie, true);
2929 }
2930
2931 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2932                                           struct wireless_dev *wdev,
2933                                           u16 frame_type, bool reg)
2934 {
2935         struct ieee80211_local *local = wiphy_priv(wiphy);
2936
2937         switch (frame_type) {
2938         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
2939                 if (reg)
2940                         local->probe_req_reg++;
2941                 else
2942                         local->probe_req_reg--;
2943
2944                 if (!local->open_count)
2945                         break;
2946
2947                 ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2948                 break;
2949         default:
2950                 break;
2951         }
2952 }
2953
2954 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2955 {
2956         struct ieee80211_local *local = wiphy_priv(wiphy);
2957
2958         if (local->started)
2959                 return -EOPNOTSUPP;
2960
2961         return drv_set_antenna(local, tx_ant, rx_ant);
2962 }
2963
2964 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2965 {
2966         struct ieee80211_local *local = wiphy_priv(wiphy);
2967
2968         return drv_get_antenna(local, tx_ant, rx_ant);
2969 }
2970
2971 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2972 {
2973         struct ieee80211_local *local = wiphy_priv(wiphy);
2974
2975         return drv_set_ringparam(local, tx, rx);
2976 }
2977
2978 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2979                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2980 {
2981         struct ieee80211_local *local = wiphy_priv(wiphy);
2982
2983         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2984 }
2985
2986 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2987                                     struct net_device *dev,
2988                                     struct cfg80211_gtk_rekey_data *data)
2989 {
2990         struct ieee80211_local *local = wiphy_priv(wiphy);
2991         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2992
2993         if (!local->ops->set_rekey_data)
2994                 return -EOPNOTSUPP;
2995
2996         drv_set_rekey_data(local, sdata, data);
2997
2998         return 0;
2999 }
3000
3001 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
3002 {
3003         u8 *pos = (void *)skb_put(skb, 7);
3004
3005         *pos++ = WLAN_EID_EXT_CAPABILITY;
3006         *pos++ = 5; /* len */
3007         *pos++ = 0x0;
3008         *pos++ = 0x0;
3009         *pos++ = 0x0;
3010         *pos++ = 0x0;
3011         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
3012 }
3013
3014 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
3015 {
3016         struct ieee80211_local *local = sdata->local;
3017         u16 capab;
3018
3019         capab = 0;
3020         if (ieee80211_get_sdata_band(sdata) != IEEE80211_BAND_2GHZ)
3021                 return capab;
3022
3023         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
3024                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
3025         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
3026                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
3027
3028         return capab;
3029 }
3030
3031 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
3032                                        u8 *peer, u8 *bssid)
3033 {
3034         struct ieee80211_tdls_lnkie *lnkid;
3035
3036         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
3037
3038         lnkid->ie_type = WLAN_EID_LINK_ID;
3039         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
3040
3041         memcpy(lnkid->bssid, bssid, ETH_ALEN);
3042         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
3043         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
3044 }
3045
3046 static int
3047 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
3048                                u8 *peer, u8 action_code, u8 dialog_token,
3049                                u16 status_code, struct sk_buff *skb)
3050 {
3051         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3052         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3053         struct ieee80211_tdls_data *tf;
3054
3055         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
3056
3057         memcpy(tf->da, peer, ETH_ALEN);
3058         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
3059         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
3060         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
3061
3062         switch (action_code) {
3063         case WLAN_TDLS_SETUP_REQUEST:
3064                 tf->category = WLAN_CATEGORY_TDLS;
3065                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
3066
3067                 skb_put(skb, sizeof(tf->u.setup_req));
3068                 tf->u.setup_req.dialog_token = dialog_token;
3069                 tf->u.setup_req.capability =
3070                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3071
3072                 ieee80211_add_srates_ie(sdata, skb, false, band);
3073                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3074                 ieee80211_tdls_add_ext_capab(skb);
3075                 break;
3076         case WLAN_TDLS_SETUP_RESPONSE:
3077                 tf->category = WLAN_CATEGORY_TDLS;
3078                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
3079
3080                 skb_put(skb, sizeof(tf->u.setup_resp));
3081                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
3082                 tf->u.setup_resp.dialog_token = dialog_token;
3083                 tf->u.setup_resp.capability =
3084                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3085
3086                 ieee80211_add_srates_ie(sdata, skb, false, band);
3087                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3088                 ieee80211_tdls_add_ext_capab(skb);
3089                 break;
3090         case WLAN_TDLS_SETUP_CONFIRM:
3091                 tf->category = WLAN_CATEGORY_TDLS;
3092                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
3093
3094                 skb_put(skb, sizeof(tf->u.setup_cfm));
3095                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
3096                 tf->u.setup_cfm.dialog_token = dialog_token;
3097                 break;
3098         case WLAN_TDLS_TEARDOWN:
3099                 tf->category = WLAN_CATEGORY_TDLS;
3100                 tf->action_code = WLAN_TDLS_TEARDOWN;
3101
3102                 skb_put(skb, sizeof(tf->u.teardown));
3103                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
3104                 break;
3105         case WLAN_TDLS_DISCOVERY_REQUEST:
3106                 tf->category = WLAN_CATEGORY_TDLS;
3107                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
3108
3109                 skb_put(skb, sizeof(tf->u.discover_req));
3110                 tf->u.discover_req.dialog_token = dialog_token;
3111                 break;
3112         default:
3113                 return -EINVAL;
3114         }
3115
3116         return 0;
3117 }
3118
3119 static int
3120 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
3121                            u8 *peer, u8 action_code, u8 dialog_token,
3122                            u16 status_code, struct sk_buff *skb)
3123 {
3124         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3125         enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
3126         struct ieee80211_mgmt *mgmt;
3127
3128         mgmt = (void *)skb_put(skb, 24);
3129         memset(mgmt, 0, 24);
3130         memcpy(mgmt->da, peer, ETH_ALEN);
3131         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
3132         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
3133
3134         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
3135                                           IEEE80211_STYPE_ACTION);
3136
3137         switch (action_code) {
3138         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3139                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
3140                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
3141                 mgmt->u.action.u.tdls_discover_resp.action_code =
3142                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
3143                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
3144                         dialog_token;
3145                 mgmt->u.action.u.tdls_discover_resp.capability =
3146                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
3147
3148                 ieee80211_add_srates_ie(sdata, skb, false, band);
3149                 ieee80211_add_ext_srates_ie(sdata, skb, false, band);
3150                 ieee80211_tdls_add_ext_capab(skb);
3151                 break;
3152         default:
3153                 return -EINVAL;
3154         }
3155
3156         return 0;
3157 }
3158
3159 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3160                                u8 *peer, u8 action_code, u8 dialog_token,
3161                                u16 status_code, const u8 *extra_ies,
3162                                size_t extra_ies_len)
3163 {
3164         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3165         struct ieee80211_local *local = sdata->local;
3166         struct sk_buff *skb = NULL;
3167         bool send_direct;
3168         int ret;
3169
3170         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3171                 return -ENOTSUPP;
3172
3173         /* make sure we are in managed mode, and associated */
3174         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
3175             !sdata->u.mgd.associated)
3176                 return -EINVAL;
3177
3178         tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n",
3179                  action_code, peer);
3180
3181         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
3182                             max(sizeof(struct ieee80211_mgmt),
3183                                 sizeof(struct ieee80211_tdls_data)) +
3184                             50 + /* supported rates */
3185                             7 + /* ext capab */
3186                             extra_ies_len +
3187                             sizeof(struct ieee80211_tdls_lnkie));
3188         if (!skb)
3189                 return -ENOMEM;
3190
3191         skb_reserve(skb, local->hw.extra_tx_headroom);
3192
3193         switch (action_code) {
3194         case WLAN_TDLS_SETUP_REQUEST:
3195         case WLAN_TDLS_SETUP_RESPONSE:
3196         case WLAN_TDLS_SETUP_CONFIRM:
3197         case WLAN_TDLS_TEARDOWN:
3198         case WLAN_TDLS_DISCOVERY_REQUEST:
3199                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
3200                                                      action_code, dialog_token,
3201                                                      status_code, skb);
3202                 send_direct = false;
3203                 break;
3204         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3205                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
3206                                                  dialog_token, status_code,
3207                                                  skb);
3208                 send_direct = true;
3209                 break;
3210         default:
3211                 ret = -ENOTSUPP;
3212                 break;
3213         }
3214
3215         if (ret < 0)
3216                 goto fail;
3217
3218         if (extra_ies_len)
3219                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
3220
3221         /* the TDLS link IE is always added last */
3222         switch (action_code) {
3223         case WLAN_TDLS_SETUP_REQUEST:
3224         case WLAN_TDLS_SETUP_CONFIRM:
3225         case WLAN_TDLS_TEARDOWN:
3226         case WLAN_TDLS_DISCOVERY_REQUEST:
3227                 /* we are the initiator */
3228                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
3229                                            sdata->u.mgd.bssid);
3230                 break;
3231         case WLAN_TDLS_SETUP_RESPONSE:
3232         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3233                 /* we are the responder */
3234                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
3235                                            sdata->u.mgd.bssid);
3236                 break;
3237         default:
3238                 ret = -ENOTSUPP;
3239                 goto fail;
3240         }
3241
3242         if (send_direct) {
3243                 ieee80211_tx_skb(sdata, skb);
3244                 return 0;
3245         }
3246
3247         /*
3248          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
3249          * we should default to AC_VI.
3250          */
3251         switch (action_code) {
3252         case WLAN_TDLS_SETUP_REQUEST:
3253         case WLAN_TDLS_SETUP_RESPONSE:
3254                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
3255                 skb->priority = 2;
3256                 break;
3257         default:
3258                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
3259                 skb->priority = 5;
3260                 break;
3261         }
3262
3263         /* disable bottom halves when entering the Tx path */
3264         local_bh_disable();
3265         ret = ieee80211_subif_start_xmit(skb, dev);
3266         local_bh_enable();
3267
3268         return ret;
3269
3270 fail:
3271         dev_kfree_skb(skb);
3272         return ret;
3273 }
3274
3275 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3276                                u8 *peer, enum nl80211_tdls_operation oper)
3277 {
3278         struct sta_info *sta;
3279         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3280
3281         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3282                 return -ENOTSUPP;
3283
3284         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3285                 return -EINVAL;
3286
3287         tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer);
3288
3289         switch (oper) {
3290         case NL80211_TDLS_ENABLE_LINK:
3291                 rcu_read_lock();
3292                 sta = sta_info_get(sdata, peer);
3293                 if (!sta) {
3294                         rcu_read_unlock();
3295                         return -ENOLINK;
3296                 }
3297
3298                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
3299                 rcu_read_unlock();
3300                 break;
3301         case NL80211_TDLS_DISABLE_LINK:
3302                 return sta_info_destroy_addr(sdata, peer);
3303         case NL80211_TDLS_TEARDOWN:
3304         case NL80211_TDLS_SETUP:
3305         case NL80211_TDLS_DISCOVERY_REQ:
3306                 /* We don't support in-driver setup/teardown/discovery */
3307                 return -ENOTSUPP;
3308         default:
3309                 return -ENOTSUPP;
3310         }
3311
3312         return 0;
3313 }
3314
3315 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3316                                   const u8 *peer, u64 *cookie)
3317 {
3318         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3319         struct ieee80211_local *local = sdata->local;
3320         struct ieee80211_qos_hdr *nullfunc;
3321         struct sk_buff *skb;
3322         int size = sizeof(*nullfunc);
3323         __le16 fc;
3324         bool qos;
3325         struct ieee80211_tx_info *info;
3326         struct sta_info *sta;
3327         struct ieee80211_chanctx_conf *chanctx_conf;
3328         enum ieee80211_band band;
3329
3330         rcu_read_lock();
3331         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3332         if (WARN_ON(!chanctx_conf)) {
3333                 rcu_read_unlock();
3334                 return -EINVAL;
3335         }
3336         band = chanctx_conf->def.chan->band;
3337         sta = sta_info_get(sdata, peer);
3338         if (sta) {
3339                 qos = test_sta_flag(sta, WLAN_STA_WME);
3340         } else {
3341                 rcu_read_unlock();
3342                 return -ENOLINK;
3343         }
3344
3345         if (qos) {
3346                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3347                                  IEEE80211_STYPE_QOS_NULLFUNC |
3348                                  IEEE80211_FCTL_FROMDS);
3349         } else {
3350                 size -= 2;
3351                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3352                                  IEEE80211_STYPE_NULLFUNC |
3353                                  IEEE80211_FCTL_FROMDS);
3354         }
3355
3356         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3357         if (!skb) {
3358                 rcu_read_unlock();
3359                 return -ENOMEM;
3360         }
3361
3362         skb->dev = dev;
3363
3364         skb_reserve(skb, local->hw.extra_tx_headroom);
3365
3366         nullfunc = (void *) skb_put(skb, size);
3367         nullfunc->frame_control = fc;
3368         nullfunc->duration_id = 0;
3369         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3370         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3371         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3372         nullfunc->seq_ctrl = 0;
3373
3374         info = IEEE80211_SKB_CB(skb);
3375
3376         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3377                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3378
3379         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3380         skb->priority = 7;
3381         if (qos)
3382                 nullfunc->qos_ctrl = cpu_to_le16(7);
3383
3384         local_bh_disable();
3385         ieee80211_xmit(sdata, skb, band);
3386         local_bh_enable();
3387         rcu_read_unlock();
3388
3389         *cookie = (unsigned long) skb;
3390         return 0;
3391 }
3392
3393 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3394                                      struct wireless_dev *wdev,
3395                                      struct cfg80211_chan_def *chandef)
3396 {
3397         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3398         struct ieee80211_local *local = wiphy_priv(wiphy);
3399         struct ieee80211_chanctx_conf *chanctx_conf;
3400         int ret = -ENODATA;
3401
3402         rcu_read_lock();
3403         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3404         if (chanctx_conf) {
3405                 *chandef = chanctx_conf->def;
3406                 ret = 0;
3407         } else if (local->open_count > 0 &&
3408                    local->open_count == local->monitors &&
3409                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3410                 if (local->use_chanctx)
3411                         *chandef = local->monitor_chandef;
3412                 else
3413                         *chandef = local->_oper_chandef;
3414                 ret = 0;
3415         }
3416         rcu_read_unlock();
3417
3418         return ret;
3419 }
3420
3421 #ifdef CONFIG_PM
3422 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3423 {
3424         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3425 }
3426 #endif
3427
3428 struct cfg80211_ops mac80211_config_ops = {
3429         .add_virtual_intf = ieee80211_add_iface,
3430         .del_virtual_intf = ieee80211_del_iface,
3431         .change_virtual_intf = ieee80211_change_iface,
3432         .start_p2p_device = ieee80211_start_p2p_device,
3433         .stop_p2p_device = ieee80211_stop_p2p_device,
3434         .add_key = ieee80211_add_key,
3435         .del_key = ieee80211_del_key,
3436         .get_key = ieee80211_get_key,
3437         .set_default_key = ieee80211_config_default_key,
3438         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3439         .start_ap = ieee80211_start_ap,
3440         .change_beacon = ieee80211_change_beacon,
3441         .stop_ap = ieee80211_stop_ap,
3442         .add_station = ieee80211_add_station,
3443         .del_station = ieee80211_del_station,
3444         .change_station = ieee80211_change_station,
3445         .get_station = ieee80211_get_station,
3446         .dump_station = ieee80211_dump_station,
3447         .dump_survey = ieee80211_dump_survey,
3448 #ifdef CONFIG_MAC80211_MESH
3449         .add_mpath = ieee80211_add_mpath,
3450         .del_mpath = ieee80211_del_mpath,
3451         .change_mpath = ieee80211_change_mpath,
3452         .get_mpath = ieee80211_get_mpath,
3453         .dump_mpath = ieee80211_dump_mpath,
3454         .update_mesh_config = ieee80211_update_mesh_config,
3455         .get_mesh_config = ieee80211_get_mesh_config,
3456         .join_mesh = ieee80211_join_mesh,
3457         .leave_mesh = ieee80211_leave_mesh,
3458 #endif
3459         .change_bss = ieee80211_change_bss,
3460         .set_txq_params = ieee80211_set_txq_params,
3461         .set_monitor_channel = ieee80211_set_monitor_channel,
3462         .suspend = ieee80211_suspend,
3463         .resume = ieee80211_resume,
3464         .scan = ieee80211_scan,
3465         .sched_scan_start = ieee80211_sched_scan_start,
3466         .sched_scan_stop = ieee80211_sched_scan_stop,
3467         .auth = ieee80211_auth,
3468         .assoc = ieee80211_assoc,
3469         .deauth = ieee80211_deauth,
3470         .disassoc = ieee80211_disassoc,
3471         .join_ibss = ieee80211_join_ibss,
3472         .leave_ibss = ieee80211_leave_ibss,
3473         .set_mcast_rate = ieee80211_set_mcast_rate,
3474         .set_wiphy_params = ieee80211_set_wiphy_params,
3475         .set_tx_power = ieee80211_set_tx_power,
3476         .get_tx_power = ieee80211_get_tx_power,
3477         .set_wds_peer = ieee80211_set_wds_peer,
3478         .rfkill_poll = ieee80211_rfkill_poll,
3479         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3480         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3481         .set_power_mgmt = ieee80211_set_power_mgmt,
3482         .set_bitrate_mask = ieee80211_set_bitrate_mask,
3483         .remain_on_channel = ieee80211_remain_on_channel,
3484         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3485         .mgmt_tx = ieee80211_mgmt_tx,
3486         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3487         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3488         .mgmt_frame_register = ieee80211_mgmt_frame_register,
3489         .set_antenna = ieee80211_set_antenna,
3490         .get_antenna = ieee80211_get_antenna,
3491         .set_ringparam = ieee80211_set_ringparam,
3492         .get_ringparam = ieee80211_get_ringparam,
3493         .set_rekey_data = ieee80211_set_rekey_data,
3494         .tdls_oper = ieee80211_tdls_oper,
3495         .tdls_mgmt = ieee80211_tdls_mgmt,
3496         .probe_client = ieee80211_probe_client,
3497         .set_noack_map = ieee80211_set_noack_map,
3498 #ifdef CONFIG_PM
3499         .set_wakeup = ieee80211_set_wakeup,
3500 #endif
3501         .get_et_sset_count = ieee80211_get_et_sset_count,
3502         .get_et_stats = ieee80211_get_et_stats,
3503         .get_et_strings = ieee80211_get_et_strings,
3504         .get_channel = ieee80211_cfg_get_channel,
3505         .start_radar_detection = ieee80211_start_radar_detection,
3506 };