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 net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
  24                                               enum nl80211_iftype type,
  25                                               u32 *flags,
  26                                               struct vif_params *params)
  27 {
  28         struct ieee80211_local *local = wiphy_priv(wiphy);
  29         struct net_device *dev;
  30         struct ieee80211_sub_if_data *sdata;
  31         int err;
  32
  33         err = ieee80211_if_add(local, name, &dev, type, params);
  34         if (err)
  35                 return ERR_PTR(err);
  36
  37         if (type == NL80211_IFTYPE_MONITOR && flags) {
  38                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  39                 sdata->u.mntr_flags = *flags;
  40         }
  41
  42         return dev;
  43 }
  44
  45 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
  46 {
  47         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
  48
  49         return 0;
  50 }
  51
  52 static int ieee80211_change_iface(struct wiphy *wiphy,
  53                                   struct net_device *dev,
  54                                   enum nl80211_iftype type, u32 *flags,
  55                                   struct vif_params *params)
  56 {
  57         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  58         int ret;
  59
  60         ret = ieee80211_if_change_type(sdata, type);
  61         if (ret)
  62                 return ret;
  63
  64         if (type == NL80211_IFTYPE_AP_VLAN &&
  65             params && params->use_4addr == 0)
  66                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
  67         else if (type == NL80211_IFTYPE_STATION &&
  68                  params && params->use_4addr >= 0)
  69                 sdata->u.mgd.use_4addr = params->use_4addr;
  70
  71         if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
  72                 struct ieee80211_local *local = sdata->local;
  73
  74                 if (ieee80211_sdata_running(sdata)) {
  75                         /*
  76                          * Prohibit MONITOR_FLAG_COOK_FRAMES to be
  77                          * changed while the interface is up.
  78                          * Else we would need to add a lot of cruft
  79                          * to update everything:
  80                          *      cooked_mntrs, monitor and all fif_* counters
  81                          *      reconfigure hardware
  82                          */
  83                         if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
  84                             (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
  85                                 return -EBUSY;
  86
  87                         ieee80211_adjust_monitor_flags(sdata, -1);
  88                         sdata->u.mntr_flags = *flags;
  89                         ieee80211_adjust_monitor_flags(sdata, 1);
  90
  91                         ieee80211_configure_filter(local);
  92                 } else {
  93                         /*
  94                          * Because the interface is down, ieee80211_do_stop
  95                          * and ieee80211_do_open take care of "everything"
  96                          * mentioned in the comment above.
  97                          */
  98                         sdata->u.mntr_flags = *flags;
  99                 }
 100         }
 101
 102         return 0;
 103 }
 104
 105 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 106                                   struct net_device *dev,
 107                                   u16 noack_map)
 108 {
 109         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 110
 111         sdata->noack_map = noack_map;
 112         return 0;
 113 }
 114
 115 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 116                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 117                              struct key_params *params)
 118 {
 119         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 120         struct sta_info *sta = NULL;
 121         struct ieee80211_key *key;
 122         int err;
 123
 124         if (!ieee80211_sdata_running(sdata))
 125                 return -ENETDOWN;
 126
 127         /* reject WEP and TKIP keys if WEP failed to initialize */
 128         switch (params->cipher) {
 129         case WLAN_CIPHER_SUITE_WEP40:
 130         case WLAN_CIPHER_SUITE_TKIP:
 131         case WLAN_CIPHER_SUITE_WEP104:
 132                 if (IS_ERR(sdata->local->wep_tx_tfm))
 133                         return -EINVAL;
 134                 break;
 135         default:
 136                 break;
 137         }
 138
 139         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 140                                   params->key, params->seq_len, params->seq);
 141         if (IS_ERR(key))
 142                 return PTR_ERR(key);
 143
 144         if (pairwise)
 145                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 146
 147         mutex_lock(&sdata->local->sta_mtx);
 148
 149         if (mac_addr) {
 150                 if (ieee80211_vif_is_mesh(&sdata->vif))
 151                         sta = sta_info_get(sdata, mac_addr);
 152                 else
 153                         sta = sta_info_get_bss(sdata, mac_addr);
 154                 if (!sta) {
 155                         ieee80211_key_free(sdata->local, key);
 156                         err = -ENOENT;
 157                         goto out_unlock;
 158                 }
 159         }
 160
 161         err = ieee80211_key_link(key, sdata, sta);
 162         if (err)
 163                 ieee80211_key_free(sdata->local, key);
 164
 165  out_unlock:
 166         mutex_unlock(&sdata->local->sta_mtx);
 167
 168         return err;
 169 }
 170
 171 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 172                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 173 {
 174         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 175         struct ieee80211_local *local = sdata->local;
 176         struct sta_info *sta;
 177         struct ieee80211_key *key = NULL;
 178         int ret;
 179
 180         mutex_lock(&local->sta_mtx);
 181         mutex_lock(&local->key_mtx);
 182
 183         if (mac_addr) {
 184                 ret = -ENOENT;
 185
 186                 sta = sta_info_get_bss(sdata, mac_addr);
 187                 if (!sta)
 188                         goto out_unlock;
 189
 190                 if (pairwise)
 191                         key = key_mtx_dereference(local, sta->ptk);
 192                 else
 193                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 194         } else
 195                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 196
 197         if (!key) {
 198                 ret = -ENOENT;
 199                 goto out_unlock;
 200         }
 201
 202         __ieee80211_key_free(key);
 203
 204         ret = 0;
 205  out_unlock:
 206         mutex_unlock(&local->key_mtx);
 207         mutex_unlock(&local->sta_mtx);
 208
 209         return ret;
 210 }
 211
 212 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 213                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 214                              void *cookie,
 215                              void (*callback)(void *cookie,
 216                                               struct key_params *params))
 217 {
 218         struct ieee80211_sub_if_data *sdata;
 219         struct sta_info *sta = NULL;
 220         u8 seq[6] = {0};
 221         struct key_params params;
 222         struct ieee80211_key *key = NULL;
 223         u64 pn64;
 224         u32 iv32;
 225         u16 iv16;
 226         int err = -ENOENT;
 227
 228         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 229
 230         rcu_read_lock();
 231
 232         if (mac_addr) {
 233                 sta = sta_info_get_bss(sdata, mac_addr);
 234                 if (!sta)
 235                         goto out;
 236
 237                 if (pairwise)
 238                         key = rcu_dereference(sta->ptk);
 239                 else if (key_idx < NUM_DEFAULT_KEYS)
 240                         key = rcu_dereference(sta->gtk[key_idx]);
 241         } else
 242                 key = rcu_dereference(sdata->keys[key_idx]);
 243
 244         if (!key)
 245                 goto out;
 246
 247         memset(&params, 0, sizeof(params));
 248
 249         params.cipher = key->conf.cipher;
 250
 251         switch (key->conf.cipher) {
 252         case WLAN_CIPHER_SUITE_TKIP:
 253                 iv32 = key->u.tkip.tx.iv32;
 254                 iv16 = key->u.tkip.tx.iv16;
 255
 256                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 257                         drv_get_tkip_seq(sdata->local,
 258                                          key->conf.hw_key_idx,
 259                                          &iv32, &iv16);
 260
 261                 seq[0] = iv16 & 0xff;
 262                 seq[1] = (iv16 >> 8) & 0xff;
 263                 seq[2] = iv32 & 0xff;
 264                 seq[3] = (iv32 >> 8) & 0xff;
 265                 seq[4] = (iv32 >> 16) & 0xff;
 266                 seq[5] = (iv32 >> 24) & 0xff;
 267                 params.seq = seq;
 268                 params.seq_len = 6;
 269                 break;
 270         case WLAN_CIPHER_SUITE_CCMP:
 271                 pn64 = atomic64_read(&key->u.ccmp.tx_pn);
 272                 seq[0] = pn64;
 273                 seq[1] = pn64 >> 8;
 274                 seq[2] = pn64 >> 16;
 275                 seq[3] = pn64 >> 24;
 276                 seq[4] = pn64 >> 32;
 277                 seq[5] = pn64 >> 40;
 278                 params.seq = seq;
 279                 params.seq_len = 6;
 280                 break;
 281         case WLAN_CIPHER_SUITE_AES_CMAC:
 282                 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn);
 283                 seq[0] = pn64;
 284                 seq[1] = pn64 >> 8;
 285                 seq[2] = pn64 >> 16;
 286                 seq[3] = pn64 >> 24;
 287                 seq[4] = pn64 >> 32;
 288                 seq[5] = pn64 >> 40;
 289                 params.seq = seq;
 290                 params.seq_len = 6;
 291                 break;
 292         }
 293
 294         params.key = key->conf.key;
 295         params.key_len = key->conf.keylen;
 296
 297         callback(cookie, &params);
 298         err = 0;
 299
 300  out:
 301         rcu_read_unlock();
 302         return err;
 303 }
 304
 305 static int ieee80211_config_default_key(struct wiphy *wiphy,
 306                                         struct net_device *dev,
 307                                         u8 key_idx, bool uni,
 308                                         bool multi)
 309 {
 310         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 311
 312         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 313
 314         return 0;
 315 }
 316
 317 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 318                                              struct net_device *dev,
 319                                              u8 key_idx)
 320 {
 321         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 322
 323         ieee80211_set_default_mgmt_key(sdata, key_idx);
 324
 325         return 0;
 326 }
 327
 328 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
 329 {
 330         if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
 331                 struct ieee80211_supported_band *sband;
 332                 sband = sta->local->hw.wiphy->bands[
 333                                 sta->local->hw.conf.channel->band];
 334                 rate->legacy = sband->bitrates[idx].bitrate;
 335         } else
 336                 rate->mcs = idx;
 337 }
 338
 339 void sta_set_rate_info_tx(struct sta_info *sta,
 340                           const struct ieee80211_tx_rate *rate,
 341                           struct rate_info *rinfo)
 342 {
 343         rinfo->flags = 0;
 344         if (rate->flags & IEEE80211_TX_RC_MCS)
 345                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 346         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 347                 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 348         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 349                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 350         rate_idx_to_bitrate(rinfo, sta, rate->idx);
 351 }
 352
 353 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 354 {
 355         struct ieee80211_sub_if_data *sdata = sta->sdata;
 356         struct timespec uptime;
 357
 358         sinfo->generation = sdata->local->sta_generation;
 359
 360         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 361                         STATION_INFO_RX_BYTES |
 362                         STATION_INFO_TX_BYTES |
 363                         STATION_INFO_RX_PACKETS |
 364                         STATION_INFO_TX_PACKETS |
 365                         STATION_INFO_TX_RETRIES |
 366                         STATION_INFO_TX_FAILED |
 367                         STATION_INFO_TX_BITRATE |
 368                         STATION_INFO_RX_BITRATE |
 369                         STATION_INFO_RX_DROP_MISC |
 370                         STATION_INFO_BSS_PARAM |
 371                         STATION_INFO_CONNECTED_TIME |
 372                         STATION_INFO_STA_FLAGS |
 373                         STATION_INFO_BEACON_LOSS_COUNT;
 374
 375         do_posix_clock_monotonic_gettime(&uptime);
 376         sinfo->connected_time = uptime.tv_sec - sta->last_connected;
 377
 378         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 379         sinfo->rx_bytes = sta->rx_bytes;
 380         sinfo->tx_bytes = sta->tx_bytes;
 381         sinfo->rx_packets = sta->rx_packets;
 382         sinfo->tx_packets = sta->tx_packets;
 383         sinfo->tx_retries = sta->tx_retry_count;
 384         sinfo->tx_failed = sta->tx_retry_failed;
 385         sinfo->rx_dropped_misc = sta->rx_dropped;
 386         sinfo->beacon_loss_count = sta->beacon_loss_count;
 387
 388         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 389             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 390                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 391                 sinfo->signal = (s8)sta->last_signal;
 392                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 393         }
 394
 395         sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
 396
 397         sinfo->rxrate.flags = 0;
 398         if (sta->last_rx_rate_flag & RX_FLAG_HT)
 399                 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
 400         if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
 401                 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 402         if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
 403                 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 404         rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
 405
 406         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 407 #ifdef CONFIG_MAC80211_MESH
 408                 sinfo->filled |= STATION_INFO_LLID |
 409                                  STATION_INFO_PLID |
 410                                  STATION_INFO_PLINK_STATE;
 411
 412                 sinfo->llid = le16_to_cpu(sta->llid);
 413                 sinfo->plid = le16_to_cpu(sta->plid);
 414                 sinfo->plink_state = sta->plink_state;
 415                 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) {
 416                         sinfo->filled |= STATION_INFO_T_OFFSET;
 417                         sinfo->t_offset = sta->t_offset;
 418                 }
 419 #endif
 420         }
 421
 422         sinfo->bss_param.flags = 0;
 423         if (sdata->vif.bss_conf.use_cts_prot)
 424                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT;
 425         if (sdata->vif.bss_conf.use_short_preamble)
 426                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE;
 427         if (sdata->vif.bss_conf.use_short_slot)
 428                 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
 429         sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period;
 430         sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int;
 431
 432         sinfo->sta_flags.set = 0;
 433         sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) |
 434                                 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) |
 435                                 BIT(NL80211_STA_FLAG_WME) |
 436                                 BIT(NL80211_STA_FLAG_MFP) |
 437                                 BIT(NL80211_STA_FLAG_AUTHENTICATED) |
 438                                 BIT(NL80211_STA_FLAG_TDLS_PEER);
 439         if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 440                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED);
 441         if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE))
 442                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
 443         if (test_sta_flag(sta, WLAN_STA_WME))
 444                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME);
 445         if (test_sta_flag(sta, WLAN_STA_MFP))
 446                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP);
 447         if (test_sta_flag(sta, WLAN_STA_AUTH))
 448                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
 449         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
 450                 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER);
 451 }
 452
 453 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
 454         "rx_packets", "rx_bytes", "wep_weak_iv_count",
 455         "rx_duplicates", "rx_fragments", "rx_dropped",
 456         "tx_packets", "tx_bytes", "tx_fragments",
 457         "tx_filtered", "tx_retry_failed", "tx_retries",
 458         "beacon_loss", "sta_state", "txrate", "rxrate", "signal",
 459         "channel", "noise", "ch_time", "ch_time_busy",
 460         "ch_time_ext_busy", "ch_time_rx", "ch_time_tx"
 461 };
 462 #define STA_STATS_LEN   ARRAY_SIZE(ieee80211_gstrings_sta_stats)
 463
 464 static int ieee80211_get_et_sset_count(struct wiphy *wiphy,
 465                                        struct net_device *dev,
 466                                        int sset)
 467 {
 468         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 469         int rv = 0;
 470
 471         if (sset == ETH_SS_STATS)
 472                 rv += STA_STATS_LEN;
 473
 474         rv += drv_get_et_sset_count(sdata, sset);
 475
 476         if (rv == 0)
 477                 return -EOPNOTSUPP;
 478         return rv;
 479 }
 480
 481 static void ieee80211_get_et_stats(struct wiphy *wiphy,
 482                                    struct net_device *dev,
 483                                    struct ethtool_stats *stats,
 484                                    u64 *data)
 485 {
 486         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 487         struct sta_info *sta;
 488         struct ieee80211_local *local = sdata->local;
 489         struct station_info sinfo;
 490         struct survey_info survey;
 491         int i, q;
 492 #define STA_STATS_SURVEY_LEN 7
 493
 494         memset(data, 0, sizeof(u64) * STA_STATS_LEN);
 495
 496 #define ADD_STA_STATS(sta)                              \
 497         do {                                            \
 498                 data[i++] += sta->rx_packets;           \
 499                 data[i++] += sta->rx_bytes;             \
 500                 data[i++] += sta->wep_weak_iv_count;    \
 501                 data[i++] += sta->num_duplicates;       \
 502                 data[i++] += sta->rx_fragments;         \
 503                 data[i++] += sta->rx_dropped;           \
 504                                                         \
 505                 data[i++] += sta->tx_packets;           \
 506                 data[i++] += sta->tx_bytes;             \
 507                 data[i++] += sta->tx_fragments;         \
 508                 data[i++] += sta->tx_filtered_count;    \
 509                 data[i++] += sta->tx_retry_failed;      \
 510                 data[i++] += sta->tx_retry_count;       \
 511                 data[i++] += sta->beacon_loss_count;    \
 512         } while (0)
 513
 514         /* For Managed stations, find the single station based on BSSID
 515          * and use that.  For interface types, iterate through all available
 516          * stations and add stats for any station that is assigned to this
 517          * network device.
 518          */
 519
 520         rcu_read_lock();
 521
 522         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 523                 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid);
 524
 525                 if (!(sta && !WARN_ON(sta->sdata->dev != dev)))
 526                         goto do_survey;
 527
 528                 i = 0;
 529                 ADD_STA_STATS(sta);
 530
 531                 data[i++] = sta->sta_state;
 532
 533                 sinfo.filled = 0;
 534                 sta_set_sinfo(sta, &sinfo);
 535
 536                 if (sinfo.filled | STATION_INFO_TX_BITRATE)
 537                         data[i] = 100000 *
 538                                 cfg80211_calculate_bitrate(&sinfo.txrate);
 539                 i++;
 540                 if (sinfo.filled | STATION_INFO_RX_BITRATE)
 541                         data[i] = 100000 *
 542                                 cfg80211_calculate_bitrate(&sinfo.rxrate);
 543                 i++;
 544
 545                 if (sinfo.filled | STATION_INFO_SIGNAL_AVG)
 546                         data[i] = (u8)sinfo.signal_avg;
 547                 i++;
 548         } else {
 549                 list_for_each_entry_rcu(sta, &local->sta_list, list) {
 550                         /* Make sure this station belongs to the proper dev */
 551                         if (sta->sdata->dev != dev)
 552                                 continue;
 553
 554                         i = 0;
 555                         ADD_STA_STATS(sta);
 556                 }
 557         }
 558
 559 do_survey:
 560         i = STA_STATS_LEN - STA_STATS_SURVEY_LEN;
 561         /* Get survey stats for current channel */
 562         q = 0;
 563         while (true) {
 564                 survey.filled = 0;
 565                 if (drv_get_survey(local, q, &survey) != 0) {
 566                         survey.filled = 0;
 567                         break;
 568                 }
 569
 570                 if (survey.channel &&
 571                     (local->oper_channel->center_freq ==
 572                      survey.channel->center_freq))
 573                         break;
 574                 q++;
 575         }
 576
 577         if (survey.filled)
 578                 data[i++] = survey.channel->center_freq;
 579         else
 580                 data[i++] = 0;
 581         if (survey.filled & SURVEY_INFO_NOISE_DBM)
 582                 data[i++] = (u8)survey.noise;
 583         else
 584                 data[i++] = -1LL;
 585         if (survey.filled & SURVEY_INFO_CHANNEL_TIME)
 586                 data[i++] = survey.channel_time;
 587         else
 588                 data[i++] = -1LL;
 589         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY)
 590                 data[i++] = survey.channel_time_busy;
 591         else
 592                 data[i++] = -1LL;
 593         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY)
 594                 data[i++] = survey.channel_time_ext_busy;
 595         else
 596                 data[i++] = -1LL;
 597         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX)
 598                 data[i++] = survey.channel_time_rx;
 599         else
 600                 data[i++] = -1LL;
 601         if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX)
 602                 data[i++] = survey.channel_time_tx;
 603         else
 604                 data[i++] = -1LL;
 605
 606         rcu_read_unlock();
 607
 608         if (WARN_ON(i != STA_STATS_LEN))
 609                 return;
 610
 611         drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN]));
 612 }
 613
 614 static void ieee80211_get_et_strings(struct wiphy *wiphy,
 615                                      struct net_device *dev,
 616                                      u32 sset, u8 *data)
 617 {
 618         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 619         int sz_sta_stats = 0;
 620
 621         if (sset == ETH_SS_STATS) {
 622                 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats);
 623                 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats);
 624         }
 625         drv_get_et_strings(sdata, sset, &(data[sz_sta_stats]));
 626 }
 627
 628 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 629                                  int idx, u8 *mac, struct station_info *sinfo)
 630 {
 631         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 632         struct sta_info *sta;
 633         int ret = -ENOENT;
 634
 635         rcu_read_lock();
 636
 637         sta = sta_info_get_by_idx(sdata, idx);
 638         if (sta) {
 639                 ret = 0;
 640                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 641                 sta_set_sinfo(sta, sinfo);
 642         }
 643
 644         rcu_read_unlock();
 645
 646         return ret;
 647 }
 648
 649 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 650                                  int idx, struct survey_info *survey)
 651 {
 652         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 653
 654         return drv_get_survey(local, idx, survey);
 655 }
 656
 657 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 658                                  u8 *mac, struct station_info *sinfo)
 659 {
 660         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 661         struct sta_info *sta;
 662         int ret = -ENOENT;
 663
 664         rcu_read_lock();
 665
 666         sta = sta_info_get_bss(sdata, mac);
 667         if (sta) {
 668                 ret = 0;
 669                 sta_set_sinfo(sta, sinfo);
 670         }
 671
 672         rcu_read_unlock();
 673
 674         return ret;
 675 }
 676
 677 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 678                                     const u8 *resp, size_t resp_len)
 679 {
 680         struct sk_buff *new, *old;
 681
 682         if (!resp || !resp_len)
 683                 return 1;
 684
 685         old = rtnl_dereference(sdata->u.ap.probe_resp);
 686
 687         new = dev_alloc_skb(resp_len);
 688         if (!new)
 689                 return -ENOMEM;
 690
 691         memcpy(skb_put(new, resp_len), resp, resp_len);
 692
 693         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 694         if (old) {
 695                 /* TODO: use call_rcu() */
 696                 synchronize_rcu();
 697                 dev_kfree_skb(old);
 698         }
 699
 700         return 0;
 701 }
 702
 703 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 704                                    struct cfg80211_beacon_data *params)
 705 {
 706         struct beacon_data *new, *old;
 707         int new_head_len, new_tail_len;
 708         int size, err;
 709         u32 changed = BSS_CHANGED_BEACON;
 710
 711         old = rtnl_dereference(sdata->u.ap.beacon);
 712
 713         /* Need to have a beacon head if we don't have one yet */
 714         if (!params->head && !old)
 715                 return -EINVAL;
 716
 717         /* new or old head? */
 718         if (params->head)
 719                 new_head_len = params->head_len;
 720         else
 721                 new_head_len = old->head_len;
 722
 723         /* new or old tail? */
 724         if (params->tail || !old)
 725                 /* params->tail_len will be zero for !params->tail */
 726                 new_tail_len = params->tail_len;
 727         else
 728                 new_tail_len = old->tail_len;
 729
 730         size = sizeof(*new) + new_head_len + new_tail_len;
 731
 732         new = kzalloc(size, GFP_KERNEL);
 733         if (!new)
 734                 return -ENOMEM;
 735
 736         /* start filling the new info now */
 737
 738         /*
 739          * pointers go into the block we allocated,
 740          * memory is | beacon_data | head | tail |
 741          */
 742         new->head = ((u8 *) new) + sizeof(*new);
 743         new->tail = new->head + new_head_len;
 744         new->head_len = new_head_len;
 745         new->tail_len = new_tail_len;
 746
 747         /* copy in head */
 748         if (params->head)
 749                 memcpy(new->head, params->head, new_head_len);
 750         else
 751                 memcpy(new->head, old->head, new_head_len);
 752
 753         /* copy in optional tail */
 754         if (params->tail)
 755                 memcpy(new->tail, params->tail, new_tail_len);
 756         else
 757                 if (old)
 758                         memcpy(new->tail, old->tail, new_tail_len);
 759
 760         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 761                                        params->probe_resp_len);
 762         if (err < 0)
 763                 return err;
 764         if (err == 0)
 765                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 766
 767         rcu_assign_pointer(sdata->u.ap.beacon, new);
 768
 769         if (old)
 770                 kfree_rcu(old, rcu_head);
 771
 772         return changed;
 773 }
 774
 775 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 776                               struct cfg80211_ap_settings *params)
 777 {
 778         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 779         struct beacon_data *old;
 780         struct ieee80211_sub_if_data *vlan;
 781         u32 changed = BSS_CHANGED_BEACON_INT |
 782                       BSS_CHANGED_BEACON_ENABLED |
 783                       BSS_CHANGED_BEACON |
 784                       BSS_CHANGED_SSID;
 785         int err;
 786
 787         old = rtnl_dereference(sdata->u.ap.beacon);
 788         if (old)
 789                 return -EALREADY;
 790
 791         /*
 792          * Apply control port protocol, this allows us to
 793          * not encrypt dynamic WEP control frames.
 794          */
 795         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 796         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 797         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 798                 vlan->control_port_protocol =
 799                         params->crypto.control_port_ethertype;
 800                 vlan->control_port_no_encrypt =
 801                         params->crypto.control_port_no_encrypt;
 802         }
 803
 804         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 805         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 806
 807         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 808         if (params->ssid_len)
 809                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 810                        params->ssid_len);
 811         sdata->vif.bss_conf.hidden_ssid =
 812                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 813
 814         err = ieee80211_assign_beacon(sdata, &params->beacon);
 815         if (err < 0)
 816                 return err;
 817         changed |= err;
 818
 819         ieee80211_bss_info_change_notify(sdata, changed);
 820
 821         netif_carrier_on(dev);
 822         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 823                 netif_carrier_on(vlan->dev);
 824
 825         return 0;
 826 }
 827
 828 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 829                                    struct cfg80211_beacon_data *params)
 830 {
 831         struct ieee80211_sub_if_data *sdata;
 832         struct beacon_data *old;
 833         int err;
 834
 835         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 836
 837         old = rtnl_dereference(sdata->u.ap.beacon);
 838         if (!old)
 839                 return -ENOENT;
 840
 841         err = ieee80211_assign_beacon(sdata, params);
 842         if (err < 0)
 843                 return err;
 844         ieee80211_bss_info_change_notify(sdata, err);
 845         return 0;
 846 }
 847
 848 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 849 {
 850         struct ieee80211_sub_if_data *sdata, *vlan;
 851         struct beacon_data *old;
 852
 853         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 854
 855         old = rtnl_dereference(sdata->u.ap.beacon);
 856         if (!old)
 857                 return -ENOENT;
 858
 859         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 860                 netif_carrier_off(vlan->dev);
 861         netif_carrier_off(dev);
 862
 863         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
 864
 865         kfree_rcu(old, rcu_head);
 866
 867         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 868
 869         return 0;
 870 }
 871
 872 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 873 struct iapp_layer2_update {
 874         u8 da[ETH_ALEN];        /* broadcast */
 875         u8 sa[ETH_ALEN];        /* STA addr */
 876         __be16 len;             /* 6 */
 877         u8 dsap;                /* 0 */
 878         u8 ssap;                /* 0 */
 879         u8 control;
 880         u8 xid_info[3];
 881 } __packed;
 882
 883 static void ieee80211_send_layer2_update(struct sta_info *sta)
 884 {
 885         struct iapp_layer2_update *msg;
 886         struct sk_buff *skb;
 887
 888         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 889          * bridge devices */
 890
 891         skb = dev_alloc_skb(sizeof(*msg));
 892         if (!skb)
 893                 return;
 894         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 895
 896         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 897          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 898
 899         memset(msg->da, 0xff, ETH_ALEN);
 900         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 901         msg->len = htons(6);
 902         msg->dsap = 0;
 903         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 904         msg->control = 0xaf;    /* XID response lsb.1111F101.
 905                                  * F=0 (no poll command; unsolicited frame) */
 906         msg->xid_info[0] = 0x81;        /* XID format identifier */
 907         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 908         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 909
 910         skb->dev = sta->sdata->dev;
 911         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 912         memset(skb->cb, 0, sizeof(skb->cb));
 913         netif_rx_ni(skb);
 914 }
 915
 916 static int sta_apply_parameters(struct ieee80211_local *local,
 917                                 struct sta_info *sta,
 918                                 struct station_parameters *params)
 919 {
 920         int ret = 0;
 921         u32 rates;
 922         int i, j;
 923         struct ieee80211_supported_band *sband;
 924         struct ieee80211_sub_if_data *sdata = sta->sdata;
 925         u32 mask, set;
 926
 927         sband = local->hw.wiphy->bands[local->oper_channel->band];
 928
 929         mask = params->sta_flags_mask;
 930         set = params->sta_flags_set;
 931
 932         /*
 933          * In mesh mode, we can clear AUTHENTICATED flag but must
 934          * also make ASSOCIATED follow appropriately for the driver
 935          * API. See also below, after AUTHORIZED changes.
 936          */
 937         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
 938                 /* cfg80211 should not allow this in non-mesh modes */
 939                 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
 940                         return -EINVAL;
 941
 942                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
 943                     !test_sta_flag(sta, WLAN_STA_AUTH)) {
 944                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
 945                         if (ret)
 946                                 return ret;
 947                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
 948                         if (ret)
 949                                 return ret;
 950                 }
 951         }
 952
 953         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 954                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 955                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
 956                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
 957                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
 958                 if (ret)
 959                         return ret;
 960         }
 961
 962         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
 963                 /* cfg80211 should not allow this in non-mesh modes */
 964                 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
 965                         return -EINVAL;
 966
 967                 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
 968                     test_sta_flag(sta, WLAN_STA_AUTH)) {
 969                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
 970                         if (ret)
 971                                 return ret;
 972                         ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
 973                         if (ret)
 974                                 return ret;
 975                 }
 976         }
 977
 978
 979         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 980                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 981                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
 982                 else
 983                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
 984         }
 985
 986         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 987                 if (set & BIT(NL80211_STA_FLAG_WME)) {
 988                         set_sta_flag(sta, WLAN_STA_WME);
 989                         sta->sta.wme = true;
 990                 } else {
 991                         clear_sta_flag(sta, WLAN_STA_WME);
 992                         sta->sta.wme = false;
 993                 }
 994         }
 995
 996         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 997                 if (set & BIT(NL80211_STA_FLAG_MFP))
 998                         set_sta_flag(sta, WLAN_STA_MFP);
 999                 else
1000                         clear_sta_flag(sta, WLAN_STA_MFP);
1001         }
1002
1003         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1004                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1005                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1006                 else
1007                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1008         }
1009
1010         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1011                 sta->sta.uapsd_queues = params->uapsd_queues;
1012                 sta->sta.max_sp = params->max_sp;
1013         }
1014
1015         /*
1016          * cfg80211 validates this (1-2007) and allows setting the AID
1017          * only when creating a new station entry
1018          */
1019         if (params->aid)
1020                 sta->sta.aid = params->aid;
1021
1022         /*
1023          * FIXME: updating the following information is racy when this
1024          *        function is called from ieee80211_change_station().
1025          *        However, all this information should be static so
1026          *        maybe we should just reject attemps to change it.
1027          */
1028
1029         if (params->listen_interval >= 0)
1030                 sta->listen_interval = params->listen_interval;
1031
1032         if (params->supported_rates) {
1033                 rates = 0;
1034
1035                 for (i = 0; i < params->supported_rates_len; i++) {
1036                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1037                         for (j = 0; j < sband->n_bitrates; j++) {
1038                                 if (sband->bitrates[j].bitrate == rate)
1039                                         rates |= BIT(j);
1040                         }
1041                 }
1042                 sta->sta.supp_rates[local->oper_channel->band] = rates;
1043         }
1044
1045         if (params->ht_capa)
1046                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1047                                                   params->ht_capa,
1048                                                   &sta->sta.ht_cap);
1049
1050         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1051 #ifdef CONFIG_MAC80211_MESH
1052                 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1053                         switch (params->plink_state) {
1054                         case NL80211_PLINK_LISTEN:
1055                         case NL80211_PLINK_ESTAB:
1056                         case NL80211_PLINK_BLOCKED:
1057                                 sta->plink_state = params->plink_state;
1058                                 break;
1059                         default:
1060                                 /*  nothing  */
1061                                 break;
1062                         }
1063                 else
1064                         switch (params->plink_action) {
1065                         case PLINK_ACTION_OPEN:
1066                                 mesh_plink_open(sta);
1067                                 break;
1068                         case PLINK_ACTION_BLOCK:
1069                                 mesh_plink_block(sta);
1070                                 break;
1071                         }
1072 #endif
1073         }
1074
1075         return 0;
1076 }
1077
1078 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1079                                  u8 *mac, struct station_parameters *params)
1080 {
1081         struct ieee80211_local *local = wiphy_priv(wiphy);
1082         struct sta_info *sta;
1083         struct ieee80211_sub_if_data *sdata;
1084         int err;
1085         int layer2_update;
1086
1087         if (params->vlan) {
1088                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1089
1090                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1091                     sdata->vif.type != NL80211_IFTYPE_AP)
1092                         return -EINVAL;
1093         } else
1094                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1095
1096         if (ether_addr_equal(mac, sdata->vif.addr))
1097                 return -EINVAL;
1098
1099         if (is_multicast_ether_addr(mac))
1100                 return -EINVAL;
1101
1102         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1103         if (!sta)
1104                 return -ENOMEM;
1105
1106         sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1107         sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1108
1109         err = sta_apply_parameters(local, sta, params);
1110         if (err) {
1111                 sta_info_free(local, sta);
1112                 return err;
1113         }
1114
1115         /*
1116          * for TDLS, rate control should be initialized only when supported
1117          * rates are known.
1118          */
1119         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1120                 rate_control_rate_init(sta);
1121
1122         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1123                 sdata->vif.type == NL80211_IFTYPE_AP;
1124
1125         err = sta_info_insert_rcu(sta);
1126         if (err) {
1127                 rcu_read_unlock();
1128                 return err;
1129         }
1130
1131         if (layer2_update)
1132                 ieee80211_send_layer2_update(sta);
1133
1134         rcu_read_unlock();
1135
1136         return 0;
1137 }
1138
1139 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1140                                  u8 *mac)
1141 {
1142         struct ieee80211_local *local = wiphy_priv(wiphy);
1143         struct ieee80211_sub_if_data *sdata;
1144
1145         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1146
1147         if (mac)
1148                 return sta_info_destroy_addr_bss(sdata, mac);
1149
1150         sta_info_flush(local, sdata);
1151         return 0;
1152 }
1153
1154 static int ieee80211_change_station(struct wiphy *wiphy,
1155                                     struct net_device *dev,
1156                                     u8 *mac,
1157                                     struct station_parameters *params)
1158 {
1159         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1160         struct ieee80211_local *local = wiphy_priv(wiphy);
1161         struct sta_info *sta;
1162         struct ieee80211_sub_if_data *vlansdata;
1163         int err;
1164
1165         mutex_lock(&local->sta_mtx);
1166
1167         sta = sta_info_get_bss(sdata, mac);
1168         if (!sta) {
1169                 mutex_unlock(&local->sta_mtx);
1170                 return -ENOENT;
1171         }
1172
1173         /* in station mode, supported rates are only valid with TDLS */
1174         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1175             params->supported_rates &&
1176             !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1177                 mutex_unlock(&local->sta_mtx);
1178                 return -EINVAL;
1179         }
1180
1181         if (params->vlan && params->vlan != sta->sdata->dev) {
1182                 bool prev_4addr = false;
1183                 bool new_4addr = false;
1184
1185                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1186
1187                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1188                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
1189                         mutex_unlock(&local->sta_mtx);
1190                         return -EINVAL;
1191                 }
1192
1193                 if (params->vlan->ieee80211_ptr->use_4addr) {
1194                         if (vlansdata->u.vlan.sta) {
1195                                 mutex_unlock(&local->sta_mtx);
1196                                 return -EBUSY;
1197                         }
1198
1199                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1200                         new_4addr = true;
1201                 }
1202
1203                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1204                     sta->sdata->u.vlan.sta) {
1205                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1206                         prev_4addr = true;
1207                 }
1208
1209                 sta->sdata = vlansdata;
1210
1211                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1212                     prev_4addr != new_4addr) {
1213                         if (new_4addr)
1214                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1215                         else
1216                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1217                 }
1218
1219                 ieee80211_send_layer2_update(sta);
1220         }
1221
1222         err = sta_apply_parameters(local, sta, params);
1223         if (err) {
1224                 mutex_unlock(&local->sta_mtx);
1225                 return err;
1226         }
1227
1228         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1229                 rate_control_rate_init(sta);
1230
1231         mutex_unlock(&local->sta_mtx);
1232
1233         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1234             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1235                 ieee80211_recalc_ps(local, -1);
1236
1237         return 0;
1238 }
1239
1240 #ifdef CONFIG_MAC80211_MESH
1241 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1242                                  u8 *dst, u8 *next_hop)
1243 {
1244         struct ieee80211_sub_if_data *sdata;
1245         struct mesh_path *mpath;
1246         struct sta_info *sta;
1247         int err;
1248
1249         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1250
1251         rcu_read_lock();
1252         sta = sta_info_get(sdata, next_hop);
1253         if (!sta) {
1254                 rcu_read_unlock();
1255                 return -ENOENT;
1256         }
1257
1258         err = mesh_path_add(dst, sdata);
1259         if (err) {
1260                 rcu_read_unlock();
1261                 return err;
1262         }
1263
1264         mpath = mesh_path_lookup(dst, sdata);
1265         if (!mpath) {
1266                 rcu_read_unlock();
1267                 return -ENXIO;
1268         }
1269         mesh_path_fix_nexthop(mpath, sta);
1270
1271         rcu_read_unlock();
1272         return 0;
1273 }
1274
1275 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1276                                  u8 *dst)
1277 {
1278         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1279
1280         if (dst)
1281                 return mesh_path_del(dst, sdata);
1282
1283         mesh_path_flush_by_iface(sdata);
1284         return 0;
1285 }
1286
1287 static int ieee80211_change_mpath(struct wiphy *wiphy,
1288                                     struct net_device *dev,
1289                                     u8 *dst, u8 *next_hop)
1290 {
1291         struct ieee80211_sub_if_data *sdata;
1292         struct mesh_path *mpath;
1293         struct sta_info *sta;
1294
1295         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1296
1297         rcu_read_lock();
1298
1299         sta = sta_info_get(sdata, next_hop);
1300         if (!sta) {
1301                 rcu_read_unlock();
1302                 return -ENOENT;
1303         }
1304
1305         mpath = mesh_path_lookup(dst, sdata);
1306         if (!mpath) {
1307                 rcu_read_unlock();
1308                 return -ENOENT;
1309         }
1310
1311         mesh_path_fix_nexthop(mpath, sta);
1312
1313         rcu_read_unlock();
1314         return 0;
1315 }
1316
1317 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1318                             struct mpath_info *pinfo)
1319 {
1320         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1321
1322         if (next_hop_sta)
1323                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1324         else
1325                 memset(next_hop, 0, ETH_ALEN);
1326
1327         pinfo->generation = mesh_paths_generation;
1328
1329         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1330                         MPATH_INFO_SN |
1331                         MPATH_INFO_METRIC |
1332                         MPATH_INFO_EXPTIME |
1333                         MPATH_INFO_DISCOVERY_TIMEOUT |
1334                         MPATH_INFO_DISCOVERY_RETRIES |
1335                         MPATH_INFO_FLAGS;
1336
1337         pinfo->frame_qlen = mpath->frame_queue.qlen;
1338         pinfo->sn = mpath->sn;
1339         pinfo->metric = mpath->metric;
1340         if (time_before(jiffies, mpath->exp_time))
1341                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1342         pinfo->discovery_timeout =
1343                         jiffies_to_msecs(mpath->discovery_timeout);
1344         pinfo->discovery_retries = mpath->discovery_retries;
1345         pinfo->flags = 0;
1346         if (mpath->flags & MESH_PATH_ACTIVE)
1347                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1348         if (mpath->flags & MESH_PATH_RESOLVING)
1349                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1350         if (mpath->flags & MESH_PATH_SN_VALID)
1351                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1352         if (mpath->flags & MESH_PATH_FIXED)
1353                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1354         if (mpath->flags & MESH_PATH_RESOLVING)
1355                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1356
1357         pinfo->flags = mpath->flags;
1358 }
1359
1360 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1361                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1362
1363 {
1364         struct ieee80211_sub_if_data *sdata;
1365         struct mesh_path *mpath;
1366
1367         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1368
1369         rcu_read_lock();
1370         mpath = mesh_path_lookup(dst, sdata);
1371         if (!mpath) {
1372                 rcu_read_unlock();
1373                 return -ENOENT;
1374         }
1375         memcpy(dst, mpath->dst, ETH_ALEN);
1376         mpath_set_pinfo(mpath, next_hop, pinfo);
1377         rcu_read_unlock();
1378         return 0;
1379 }
1380
1381 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1382                                  int idx, u8 *dst, u8 *next_hop,
1383                                  struct mpath_info *pinfo)
1384 {
1385         struct ieee80211_sub_if_data *sdata;
1386         struct mesh_path *mpath;
1387
1388         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1389
1390         rcu_read_lock();
1391         mpath = mesh_path_lookup_by_idx(idx, sdata);
1392         if (!mpath) {
1393                 rcu_read_unlock();
1394                 return -ENOENT;
1395         }
1396         memcpy(dst, mpath->dst, ETH_ALEN);
1397         mpath_set_pinfo(mpath, next_hop, pinfo);
1398         rcu_read_unlock();
1399         return 0;
1400 }
1401
1402 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1403                                 struct net_device *dev,
1404                                 struct mesh_config *conf)
1405 {
1406         struct ieee80211_sub_if_data *sdata;
1407         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408
1409         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1410         return 0;
1411 }
1412
1413 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1414 {
1415         return (mask >> (parm-1)) & 0x1;
1416 }
1417
1418 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1419                 const struct mesh_setup *setup)
1420 {
1421         u8 *new_ie;
1422         const u8 *old_ie;
1423         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1424                                         struct ieee80211_sub_if_data, u.mesh);
1425
1426         /* allocate information elements */
1427         new_ie = NULL;
1428         old_ie = ifmsh->ie;
1429
1430         if (setup->ie_len) {
1431                 new_ie = kmemdup(setup->ie, setup->ie_len,
1432                                 GFP_KERNEL);
1433                 if (!new_ie)
1434                         return -ENOMEM;
1435         }
1436         ifmsh->ie_len = setup->ie_len;
1437         ifmsh->ie = new_ie;
1438         kfree(old_ie);
1439
1440         /* now copy the rest of the setup parameters */
1441         ifmsh->mesh_id_len = setup->mesh_id_len;
1442         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1443         ifmsh->mesh_sp_id = setup->sync_method;
1444         ifmsh->mesh_pp_id = setup->path_sel_proto;
1445         ifmsh->mesh_pm_id = setup->path_metric;
1446         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1447         if (setup->is_authenticated)
1448                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1449         if (setup->is_secure)
1450                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1451
1452         /* mcast rate setting in Mesh Node */
1453         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1454                                                 sizeof(setup->mcast_rate));
1455
1456         return 0;
1457 }
1458
1459 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1460                                         struct net_device *dev, u32 mask,
1461                                         const struct mesh_config *nconf)
1462 {
1463         struct mesh_config *conf;
1464         struct ieee80211_sub_if_data *sdata;
1465         struct ieee80211_if_mesh *ifmsh;
1466
1467         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1468         ifmsh = &sdata->u.mesh;
1469
1470         /* Set the config options which we are interested in setting */
1471         conf = &(sdata->u.mesh.mshcfg);
1472         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1473                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1474         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1475                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1476         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1477                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1478         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1479                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1480         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1481                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1482         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1483                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1484         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1485                 conf->dot11MeshTTL = nconf->element_ttl;
1486         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1487                 conf->auto_open_plinks = nconf->auto_open_plinks;
1488         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1489                 conf->dot11MeshNbrOffsetMaxNeighbor =
1490                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1491         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1492                 conf->dot11MeshHWMPmaxPREQretries =
1493                         nconf->dot11MeshHWMPmaxPREQretries;
1494         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1495                 conf->path_refresh_time = nconf->path_refresh_time;
1496         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1497                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1498         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1499                 conf->dot11MeshHWMPactivePathTimeout =
1500                         nconf->dot11MeshHWMPactivePathTimeout;
1501         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1502                 conf->dot11MeshHWMPpreqMinInterval =
1503                         nconf->dot11MeshHWMPpreqMinInterval;
1504         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1505                 conf->dot11MeshHWMPperrMinInterval =
1506                         nconf->dot11MeshHWMPperrMinInterval;
1507         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1508                            mask))
1509                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1510                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1511         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1512                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1513                 ieee80211_mesh_root_setup(ifmsh);
1514         }
1515         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1516                 /* our current gate announcement implementation rides on root
1517                  * announcements, so require this ifmsh to also be a root node
1518                  * */
1519                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1520                     !conf->dot11MeshHWMPRootMode) {
1521                         conf->dot11MeshHWMPRootMode = 1;
1522                         ieee80211_mesh_root_setup(ifmsh);
1523                 }
1524                 conf->dot11MeshGateAnnouncementProtocol =
1525                         nconf->dot11MeshGateAnnouncementProtocol;
1526         }
1527         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1528                 conf->dot11MeshHWMPRannInterval =
1529                         nconf->dot11MeshHWMPRannInterval;
1530         }
1531         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1532                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1533         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1534                 /* our RSSI threshold implementation is supported only for
1535                  * devices that report signal in dBm.
1536                  */
1537                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1538                         return -ENOTSUPP;
1539                 conf->rssi_threshold = nconf->rssi_threshold;
1540         }
1541         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1542                 conf->ht_opmode = nconf->ht_opmode;
1543                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1544                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1545         }
1546         return 0;
1547 }
1548
1549 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1550                                const struct mesh_config *conf,
1551                                const struct mesh_setup *setup)
1552 {
1553         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1554         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1555         int err;
1556
1557         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1558         err = copy_mesh_setup(ifmsh, setup);
1559         if (err)
1560                 return err;
1561         ieee80211_start_mesh(sdata);
1562
1563         return 0;
1564 }
1565
1566 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1567 {
1568         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1569
1570         ieee80211_stop_mesh(sdata);
1571
1572         return 0;
1573 }
1574 #endif
1575
1576 static int ieee80211_change_bss(struct wiphy *wiphy,
1577                                 struct net_device *dev,
1578                                 struct bss_parameters *params)
1579 {
1580         struct ieee80211_sub_if_data *sdata;
1581         u32 changed = 0;
1582
1583         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1584
1585         if (params->use_cts_prot >= 0) {
1586                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1587                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1588         }
1589         if (params->use_short_preamble >= 0) {
1590                 sdata->vif.bss_conf.use_short_preamble =
1591                         params->use_short_preamble;
1592                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1593         }
1594
1595         if (!sdata->vif.bss_conf.use_short_slot &&
1596             sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1597                 sdata->vif.bss_conf.use_short_slot = true;
1598                 changed |= BSS_CHANGED_ERP_SLOT;
1599         }
1600
1601         if (params->use_short_slot_time >= 0) {
1602                 sdata->vif.bss_conf.use_short_slot =
1603                         params->use_short_slot_time;
1604                 changed |= BSS_CHANGED_ERP_SLOT;
1605         }
1606
1607         if (params->basic_rates) {
1608                 int i, j;
1609                 u32 rates = 0;
1610                 struct ieee80211_local *local = wiphy_priv(wiphy);
1611                 struct ieee80211_supported_band *sband =
1612                         wiphy->bands[local->oper_channel->band];
1613
1614                 for (i = 0; i < params->basic_rates_len; i++) {
1615                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1616                         for (j = 0; j < sband->n_bitrates; j++) {
1617                                 if (sband->bitrates[j].bitrate == rate)
1618                                         rates |= BIT(j);
1619                         }
1620                 }
1621                 sdata->vif.bss_conf.basic_rates = rates;
1622                 changed |= BSS_CHANGED_BASIC_RATES;
1623         }
1624
1625         if (params->ap_isolate >= 0) {
1626                 if (params->ap_isolate)
1627                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1628                 else
1629                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1630         }
1631
1632         if (params->ht_opmode >= 0) {
1633                 sdata->vif.bss_conf.ht_operation_mode =
1634                         (u16) params->ht_opmode;
1635                 changed |= BSS_CHANGED_HT;
1636         }
1637
1638         ieee80211_bss_info_change_notify(sdata, changed);
1639
1640         return 0;
1641 }
1642
1643 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1644                                     struct net_device *dev,
1645                                     struct ieee80211_txq_params *params)
1646 {
1647         struct ieee80211_local *local = wiphy_priv(wiphy);
1648         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1649         struct ieee80211_tx_queue_params p;
1650
1651         if (!local->ops->conf_tx)
1652                 return -EOPNOTSUPP;
1653
1654         if (local->hw.queues < IEEE80211_NUM_ACS)
1655                 return -EOPNOTSUPP;
1656
1657         memset(&p, 0, sizeof(p));
1658         p.aifs = params->aifs;
1659         p.cw_max = params->cwmax;
1660         p.cw_min = params->cwmin;
1661         p.txop = params->txop;
1662
1663         /*
1664          * Setting tx queue params disables u-apsd because it's only
1665          * called in master mode.
1666          */
1667         p.uapsd = false;
1668
1669         sdata->tx_conf[params->ac] = p;
1670         if (drv_conf_tx(local, sdata, params->ac, &p)) {
1671                 wiphy_debug(local->hw.wiphy,
1672                             "failed to set TX queue parameters for AC %d\n",
1673                             params->ac);
1674                 return -EINVAL;
1675         }
1676
1677         return 0;
1678 }
1679
1680 static int ieee80211_set_channel(struct wiphy *wiphy,
1681                                  struct net_device *netdev,
1682                                  struct ieee80211_channel *chan,
1683                                  enum nl80211_channel_type channel_type)
1684 {
1685         struct ieee80211_local *local = wiphy_priv(wiphy);
1686         struct ieee80211_sub_if_data *sdata = NULL;
1687         struct ieee80211_channel *old_oper;
1688         enum nl80211_channel_type old_oper_type;
1689         enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
1690
1691         if (netdev)
1692                 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1693
1694         switch (ieee80211_get_channel_mode(local, NULL)) {
1695         case CHAN_MODE_HOPPING:
1696                 return -EBUSY;
1697         case CHAN_MODE_FIXED:
1698                 if (local->oper_channel != chan)
1699                         return -EBUSY;
1700                 if (!sdata && local->_oper_channel_type == channel_type)
1701                         return 0;
1702                 break;
1703         case CHAN_MODE_UNDEFINED:
1704                 break;
1705         }
1706
1707         if (sdata)
1708                 old_vif_oper_type = sdata->vif.bss_conf.channel_type;
1709         old_oper_type = local->_oper_channel_type;
1710
1711         if (!ieee80211_set_channel_type(local, sdata, channel_type))
1712                 return -EBUSY;
1713
1714         old_oper = local->oper_channel;
1715         local->oper_channel = chan;
1716
1717         /* Update driver if changes were actually made. */
1718         if ((old_oper != local->oper_channel) ||
1719             (old_oper_type != local->_oper_channel_type))
1720                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1721
1722         if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR &&
1723             old_vif_oper_type != sdata->vif.bss_conf.channel_type)
1724                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1725
1726         return 0;
1727 }
1728
1729 #ifdef CONFIG_PM
1730 static int ieee80211_suspend(struct wiphy *wiphy,
1731                              struct cfg80211_wowlan *wowlan)
1732 {
1733         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1734 }
1735
1736 static int ieee80211_resume(struct wiphy *wiphy)
1737 {
1738         return __ieee80211_resume(wiphy_priv(wiphy));
1739 }
1740 #else
1741 #define ieee80211_suspend NULL
1742 #define ieee80211_resume NULL
1743 #endif
1744
1745 static int ieee80211_scan(struct wiphy *wiphy,
1746                           struct net_device *dev,
1747                           struct cfg80211_scan_request *req)
1748 {
1749         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1750
1751         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1752         case NL80211_IFTYPE_STATION:
1753         case NL80211_IFTYPE_ADHOC:
1754         case NL80211_IFTYPE_MESH_POINT:
1755         case NL80211_IFTYPE_P2P_CLIENT:
1756                 break;
1757         case NL80211_IFTYPE_P2P_GO:
1758                 if (sdata->local->ops->hw_scan)
1759                         break;
1760                 /*
1761                  * FIXME: implement NoA while scanning in software,
1762                  * for now fall through to allow scanning only when
1763                  * beaconing hasn't been configured yet
1764                  */
1765         case NL80211_IFTYPE_AP:
1766                 if (sdata->u.ap.beacon)
1767                         return -EOPNOTSUPP;
1768                 break;
1769         default:
1770                 return -EOPNOTSUPP;
1771         }
1772
1773         return ieee80211_request_scan(sdata, req);
1774 }
1775
1776 static int
1777 ieee80211_sched_scan_start(struct wiphy *wiphy,
1778                            struct net_device *dev,
1779                            struct cfg80211_sched_scan_request *req)
1780 {
1781         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1782
1783         if (!sdata->local->ops->sched_scan_start)
1784                 return -EOPNOTSUPP;
1785
1786         return ieee80211_request_sched_scan_start(sdata, req);
1787 }
1788
1789 static int
1790 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1791 {
1792         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1793
1794         if (!sdata->local->ops->sched_scan_stop)
1795                 return -EOPNOTSUPP;
1796
1797         return ieee80211_request_sched_scan_stop(sdata);
1798 }
1799
1800 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1801                           struct cfg80211_auth_request *req)
1802 {
1803         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1804 }
1805
1806 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1807                            struct cfg80211_assoc_request *req)
1808 {
1809         struct ieee80211_local *local = wiphy_priv(wiphy);
1810         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1811
1812         switch (ieee80211_get_channel_mode(local, sdata)) {
1813         case CHAN_MODE_HOPPING:
1814                 return -EBUSY;
1815         case CHAN_MODE_FIXED:
1816                 if (local->oper_channel == req->bss->channel)
1817                         break;
1818                 return -EBUSY;
1819         case CHAN_MODE_UNDEFINED:
1820                 break;
1821         }
1822
1823         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1824 }
1825
1826 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1827                             struct cfg80211_deauth_request *req)
1828 {
1829         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1830 }
1831
1832 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1833                               struct cfg80211_disassoc_request *req)
1834 {
1835         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1836 }
1837
1838 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1839                                struct cfg80211_ibss_params *params)
1840 {
1841         struct ieee80211_local *local = wiphy_priv(wiphy);
1842         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1843
1844         switch (ieee80211_get_channel_mode(local, sdata)) {
1845         case CHAN_MODE_HOPPING:
1846                 return -EBUSY;
1847         case CHAN_MODE_FIXED:
1848                 if (!params->channel_fixed)
1849                         return -EBUSY;
1850                 if (local->oper_channel == params->channel)
1851                         break;
1852                 return -EBUSY;
1853         case CHAN_MODE_UNDEFINED:
1854                 break;
1855         }
1856
1857         return ieee80211_ibss_join(sdata, params);
1858 }
1859
1860 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1861 {
1862         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1863
1864         return ieee80211_ibss_leave(sdata);
1865 }
1866
1867 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1868 {
1869         struct ieee80211_local *local = wiphy_priv(wiphy);
1870         int err;
1871
1872         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1873                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1874
1875                 if (err)
1876                         return err;
1877         }
1878
1879         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1880                 err = drv_set_coverage_class(local, wiphy->coverage_class);
1881
1882                 if (err)
1883                         return err;
1884         }
1885
1886         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1887                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1888
1889                 if (err)
1890                         return err;
1891         }
1892
1893         if (changed & WIPHY_PARAM_RETRY_SHORT)
1894                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1895         if (changed & WIPHY_PARAM_RETRY_LONG)
1896                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1897         if (changed &
1898             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1899                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1900
1901         return 0;
1902 }
1903
1904 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1905                                   enum nl80211_tx_power_setting type, int mbm)
1906 {
1907         struct ieee80211_local *local = wiphy_priv(wiphy);
1908         struct ieee80211_channel *chan = local->hw.conf.channel;
1909         u32 changes = 0;
1910
1911         switch (type) {
1912         case NL80211_TX_POWER_AUTOMATIC:
1913                 local->user_power_level = -1;
1914                 break;
1915         case NL80211_TX_POWER_LIMITED:
1916                 if (mbm < 0 || (mbm % 100))
1917                         return -EOPNOTSUPP;
1918                 local->user_power_level = MBM_TO_DBM(mbm);
1919                 break;
1920         case NL80211_TX_POWER_FIXED:
1921                 if (mbm < 0 || (mbm % 100))
1922                         return -EOPNOTSUPP;
1923                 /* TODO: move to cfg80211 when it knows the channel */
1924                 if (MBM_TO_DBM(mbm) > chan->max_power)
1925                         return -EINVAL;
1926                 local->user_power_level = MBM_TO_DBM(mbm);
1927                 break;
1928         }
1929
1930         ieee80211_hw_config(local, changes);
1931
1932         return 0;
1933 }
1934
1935 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1936 {
1937         struct ieee80211_local *local = wiphy_priv(wiphy);
1938
1939         *dbm = local->hw.conf.power_level;
1940
1941         return 0;
1942 }
1943
1944 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1945                                   const u8 *addr)
1946 {
1947         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1948
1949         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1950
1951         return 0;
1952 }
1953
1954 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1955 {
1956         struct ieee80211_local *local = wiphy_priv(wiphy);
1957
1958         drv_rfkill_poll(local);
1959 }
1960
1961 #ifdef CONFIG_NL80211_TESTMODE
1962 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1963 {
1964         struct ieee80211_local *local = wiphy_priv(wiphy);
1965
1966         if (!local->ops->testmode_cmd)
1967                 return -EOPNOTSUPP;
1968
1969         return local->ops->testmode_cmd(&local->hw, data, len);
1970 }
1971
1972 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1973                                    struct sk_buff *skb,
1974                                    struct netlink_callback *cb,
1975                                    void *data, int len)
1976 {
1977         struct ieee80211_local *local = wiphy_priv(wiphy);
1978
1979         if (!local->ops->testmode_dump)
1980                 return -EOPNOTSUPP;
1981
1982         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1983 }
1984 #endif
1985
1986 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1987                              enum ieee80211_smps_mode smps_mode)
1988 {
1989         const u8 *ap;
1990         enum ieee80211_smps_mode old_req;
1991         int err;
1992
1993         lockdep_assert_held(&sdata->u.mgd.mtx);
1994
1995         old_req = sdata->u.mgd.req_smps;
1996         sdata->u.mgd.req_smps = smps_mode;
1997
1998         if (old_req == smps_mode &&
1999             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2000                 return 0;
2001
2002         /*
2003          * If not associated, or current association is not an HT
2004          * association, there's no need to send an action frame.
2005          */
2006         if (!sdata->u.mgd.associated ||
2007             sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
2008                 mutex_lock(&sdata->local->iflist_mtx);
2009                 ieee80211_recalc_smps(sdata->local);
2010                 mutex_unlock(&sdata->local->iflist_mtx);
2011                 return 0;
2012         }
2013
2014         ap = sdata->u.mgd.associated->bssid;
2015
2016         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2017                 if (sdata->u.mgd.powersave)
2018                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2019                 else
2020                         smps_mode = IEEE80211_SMPS_OFF;
2021         }
2022
2023         /* send SM PS frame to AP */
2024         err = ieee80211_send_smps_action(sdata, smps_mode,
2025                                          ap, ap);
2026         if (err)
2027                 sdata->u.mgd.req_smps = old_req;
2028
2029         return err;
2030 }
2031
2032 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2033                                     bool enabled, int timeout)
2034 {
2035         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2036         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2037
2038         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2039                 return -EOPNOTSUPP;
2040
2041         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2042                 return -EOPNOTSUPP;
2043
2044         if (enabled == sdata->u.mgd.powersave &&
2045             timeout == local->dynamic_ps_forced_timeout)
2046                 return 0;
2047
2048         sdata->u.mgd.powersave = enabled;
2049         local->dynamic_ps_forced_timeout = timeout;
2050
2051         /* no change, but if automatic follow powersave */
2052         mutex_lock(&sdata->u.mgd.mtx);
2053         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2054         mutex_unlock(&sdata->u.mgd.mtx);
2055
2056         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2057                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2058
2059         ieee80211_recalc_ps(local, -1);
2060
2061         return 0;
2062 }
2063
2064 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2065                                          struct net_device *dev,
2066                                          s32 rssi_thold, u32 rssi_hyst)
2067 {
2068         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2069         struct ieee80211_vif *vif = &sdata->vif;
2070         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2071
2072         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2073             rssi_hyst == bss_conf->cqm_rssi_hyst)
2074                 return 0;
2075
2076         bss_conf->cqm_rssi_thold = rssi_thold;
2077         bss_conf->cqm_rssi_hyst = rssi_hyst;
2078
2079         /* tell the driver upon association, unless already associated */
2080         if (sdata->u.mgd.associated &&
2081             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2082                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2083
2084         return 0;
2085 }
2086
2087 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2088                                       struct net_device *dev,
2089                                       const u8 *addr,
2090                                       const struct cfg80211_bitrate_mask *mask)
2091 {
2092         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2093         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2094         int i, ret;
2095
2096         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2097                 ret = drv_set_bitrate_mask(local, sdata, mask);
2098                 if (ret)
2099                         return ret;
2100         }
2101
2102         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2103                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2104                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2105                        sizeof(mask->control[i].mcs));
2106         }
2107
2108         return 0;
2109 }
2110
2111 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local,
2112                                           struct net_device *dev,
2113                                           struct ieee80211_channel *chan,
2114                                           enum nl80211_channel_type chantype,
2115                                           unsigned int duration, u64 *cookie)
2116 {
2117         int ret;
2118         u32 random_cookie;
2119
2120         lockdep_assert_held(&local->mtx);
2121
2122         if (local->hw_roc_cookie)
2123                 return -EBUSY;
2124         /* must be nonzero */
2125         random_cookie = random32() | 1;
2126
2127         *cookie = random_cookie;
2128         local->hw_roc_dev = dev;
2129         local->hw_roc_cookie = random_cookie;
2130         local->hw_roc_channel = chan;
2131         local->hw_roc_channel_type = chantype;
2132         local->hw_roc_duration = duration;
2133         ret = drv_remain_on_channel(local, chan, chantype, duration);
2134         if (ret) {
2135                 local->hw_roc_channel = NULL;
2136                 local->hw_roc_cookie = 0;
2137         }
2138
2139         return ret;
2140 }
2141
2142 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2143                                        struct net_device *dev,
2144                                        struct ieee80211_channel *chan,
2145                                        enum nl80211_channel_type channel_type,
2146                                        unsigned int duration,
2147                                        u64 *cookie)
2148 {
2149         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2150         struct ieee80211_local *local = sdata->local;
2151
2152         if (local->ops->remain_on_channel) {
2153                 int ret;
2154
2155                 mutex_lock(&local->mtx);
2156                 ret = ieee80211_remain_on_channel_hw(local, dev,
2157                                                      chan, channel_type,
2158                                                      duration, cookie);
2159                 local->hw_roc_for_tx = false;
2160                 mutex_unlock(&local->mtx);
2161
2162                 return ret;
2163         }
2164
2165         return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
2166                                               duration, cookie);
2167 }
2168
2169 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local,
2170                                                  u64 cookie)
2171 {
2172         int ret;
2173
2174         lockdep_assert_held(&local->mtx);
2175
2176         if (local->hw_roc_cookie != cookie)
2177                 return -ENOENT;
2178
2179         ret = drv_cancel_remain_on_channel(local);
2180         if (ret)
2181                 return ret;
2182
2183         local->hw_roc_cookie = 0;
2184         local->hw_roc_channel = NULL;
2185
2186         ieee80211_recalc_idle(local);
2187
2188         return 0;
2189 }
2190
2191 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2192                                               struct net_device *dev,
2193                                               u64 cookie)
2194 {
2195         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2196         struct ieee80211_local *local = sdata->local;
2197
2198         if (local->ops->cancel_remain_on_channel) {
2199                 int ret;
2200
2201                 mutex_lock(&local->mtx);
2202                 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2203                 mutex_unlock(&local->mtx);
2204
2205                 return ret;
2206         }
2207
2208         return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
2209 }
2210
2211 static enum work_done_result
2212 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
2213 {
2214         /*
2215          * Use the data embedded in the work struct for reporting
2216          * here so if the driver mangled the SKB before dropping
2217          * it (which is the only way we really should get here)
2218          * then we don't report mangled data.
2219          *
2220          * If there was no wait time, then by the time we get here
2221          * the driver will likely not have reported the status yet,
2222          * so in that case userspace will have to deal with it.
2223          */
2224
2225         if (wk->offchan_tx.wait && !wk->offchan_tx.status)
2226                 cfg80211_mgmt_tx_status(wk->sdata->dev,
2227                                         (unsigned long) wk->offchan_tx.frame,
2228                                         wk->data, wk->data_len, false, GFP_KERNEL);
2229
2230         return WORK_DONE_DESTROY;
2231 }
2232
2233 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
2234                              struct ieee80211_channel *chan, bool offchan,
2235                              enum nl80211_channel_type channel_type,
2236                              bool channel_type_valid, unsigned int wait,
2237                              const u8 *buf, size_t len, bool no_cck,
2238                              bool dont_wait_for_ack, u64 *cookie)
2239 {
2240         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2241         struct ieee80211_local *local = sdata->local;
2242         struct sk_buff *skb;
2243         struct sta_info *sta;
2244         struct ieee80211_work *wk;
2245         const struct ieee80211_mgmt *mgmt = (void *)buf;
2246         u32 flags;
2247         bool is_offchan = false;
2248
2249         if (dont_wait_for_ack)
2250                 flags = IEEE80211_TX_CTL_NO_ACK;
2251         else
2252                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2253                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2254
2255         /* Check that we are on the requested channel for transmission */
2256         if (chan != local->tmp_channel &&
2257             chan != local->oper_channel)
2258                 is_offchan = true;
2259         if (channel_type_valid &&
2260             (channel_type != local->tmp_channel_type &&
2261              channel_type != local->_oper_channel_type))
2262                 is_offchan = true;
2263
2264         if (chan == local->hw_roc_channel) {
2265                 /* TODO: check channel type? */
2266                 is_offchan = false;
2267                 flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2268         }
2269
2270         if (no_cck)
2271                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2272
2273         if (is_offchan && !offchan)
2274                 return -EBUSY;
2275
2276         switch (sdata->vif.type) {
2277         case NL80211_IFTYPE_ADHOC:
2278         case NL80211_IFTYPE_AP:
2279         case NL80211_IFTYPE_AP_VLAN:
2280         case NL80211_IFTYPE_P2P_GO:
2281         case NL80211_IFTYPE_MESH_POINT:
2282                 if (!ieee80211_is_action(mgmt->frame_control) ||
2283                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2284                         break;
2285                 rcu_read_lock();
2286                 sta = sta_info_get(sdata, mgmt->da);
2287                 rcu_read_unlock();
2288                 if (!sta)
2289                         return -ENOLINK;
2290                 break;
2291         case NL80211_IFTYPE_STATION:
2292         case NL80211_IFTYPE_P2P_CLIENT:
2293                 break;
2294         default:
2295                 return -EOPNOTSUPP;
2296         }
2297
2298         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2299         if (!skb)
2300                 return -ENOMEM;
2301         skb_reserve(skb, local->hw.extra_tx_headroom);
2302
2303         memcpy(skb_put(skb, len), buf, len);
2304
2305         IEEE80211_SKB_CB(skb)->flags = flags;
2306
2307         if (flags & IEEE80211_TX_CTL_TX_OFFCHAN)
2308                 IEEE80211_SKB_CB(skb)->hw_queue =
2309                         local->hw.offchannel_tx_hw_queue;
2310
2311         skb->dev = sdata->dev;
2312
2313         *cookie = (unsigned long) skb;
2314
2315         if (is_offchan && local->ops->remain_on_channel) {
2316                 unsigned int duration;
2317                 int ret;
2318
2319                 mutex_lock(&local->mtx);
2320                 /*
2321                  * If the duration is zero, then the driver
2322                  * wouldn't actually do anything. Set it to
2323                  * 100 for now.
2324                  *
2325                  * TODO: cancel the off-channel operation
2326                  *       when we get the SKB's TX status and
2327                  *       the wait time was zero before.
2328                  */
2329                 duration = 100;
2330                 if (wait)
2331                         duration = wait;
2332                 ret = ieee80211_remain_on_channel_hw(local, dev, chan,
2333                                                      channel_type,
2334                                                      duration, cookie);
2335                 if (ret) {
2336                         kfree_skb(skb);
2337                         mutex_unlock(&local->mtx);
2338                         return ret;
2339                 }
2340
2341                 local->hw_roc_for_tx = true;
2342                 local->hw_roc_duration = wait;
2343
2344                 /*
2345                  * queue up frame for transmission after
2346                  * ieee80211_ready_on_channel call
2347                  */
2348
2349                 /* modify cookie to prevent API mismatches */
2350                 *cookie ^= 2;
2351                 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2352                 IEEE80211_SKB_CB(skb)->hw_queue =
2353                         local->hw.offchannel_tx_hw_queue;
2354                 local->hw_roc_skb = skb;
2355                 local->hw_roc_skb_for_status = skb;
2356                 mutex_unlock(&local->mtx);
2357
2358                 return 0;
2359         }
2360
2361         /*
2362          * Can transmit right away if the channel was the
2363          * right one and there's no wait involved... If a
2364          * wait is involved, we might otherwise not be on
2365          * the right channel for long enough!
2366          */
2367         if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
2368                 ieee80211_tx_skb(sdata, skb);
2369                 return 0;
2370         }
2371
2372         wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
2373         if (!wk) {
2374                 kfree_skb(skb);
2375                 return -ENOMEM;
2376         }
2377
2378         wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
2379         wk->chan = chan;
2380         wk->chan_type = channel_type;
2381         wk->sdata = sdata;
2382         wk->done = ieee80211_offchan_tx_done;
2383         wk->offchan_tx.frame = skb;
2384         wk->offchan_tx.wait = wait;
2385         wk->data_len = len;
2386         memcpy(wk->data, buf, len);
2387
2388         ieee80211_add_work(wk);
2389         return 0;
2390 }
2391
2392 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2393                                          struct net_device *dev,
2394                                          u64 cookie)
2395 {
2396         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2397         struct ieee80211_local *local = sdata->local;
2398         struct ieee80211_work *wk;
2399         int ret = -ENOENT;
2400
2401         mutex_lock(&local->mtx);
2402
2403         if (local->ops->cancel_remain_on_channel) {
2404                 cookie ^= 2;
2405                 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
2406
2407                 if (ret == 0) {
2408                         kfree_skb(local->hw_roc_skb);
2409                         local->hw_roc_skb = NULL;
2410                         local->hw_roc_skb_for_status = NULL;
2411                 }
2412
2413                 mutex_unlock(&local->mtx);
2414
2415                 return ret;
2416         }
2417
2418         list_for_each_entry(wk, &local->work_list, list) {
2419                 if (wk->sdata != sdata)
2420                         continue;
2421
2422                 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
2423                         continue;
2424
2425                 if (cookie != (unsigned long) wk->offchan_tx.frame)
2426                         continue;
2427
2428                 wk->timeout = jiffies;
2429
2430                 ieee80211_queue_work(&local->hw, &local->work_work);
2431                 ret = 0;
2432                 break;
2433         }
2434         mutex_unlock(&local->mtx);
2435
2436         return ret;
2437 }
2438
2439 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2440                                           struct net_device *dev,
2441                                           u16 frame_type, bool reg)
2442 {
2443         struct ieee80211_local *local = wiphy_priv(wiphy);
2444
2445         if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2446                 return;
2447
2448         if (reg)
2449                 local->probe_req_reg++;
2450         else
2451                 local->probe_req_reg--;
2452
2453         ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2454 }
2455
2456 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2457 {
2458         struct ieee80211_local *local = wiphy_priv(wiphy);
2459
2460         if (local->started)
2461                 return -EOPNOTSUPP;
2462
2463         return drv_set_antenna(local, tx_ant, rx_ant);
2464 }
2465
2466 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2467 {
2468         struct ieee80211_local *local = wiphy_priv(wiphy);
2469
2470         return drv_get_antenna(local, tx_ant, rx_ant);
2471 }
2472
2473 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2474 {
2475         struct ieee80211_local *local = wiphy_priv(wiphy);
2476
2477         return drv_set_ringparam(local, tx, rx);
2478 }
2479
2480 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2481                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2482 {
2483         struct ieee80211_local *local = wiphy_priv(wiphy);
2484
2485         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2486 }
2487
2488 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2489                                     struct net_device *dev,
2490                                     struct cfg80211_gtk_rekey_data *data)
2491 {
2492         struct ieee80211_local *local = wiphy_priv(wiphy);
2493         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2494
2495         if (!local->ops->set_rekey_data)
2496                 return -EOPNOTSUPP;
2497
2498         drv_set_rekey_data(local, sdata, data);
2499
2500         return 0;
2501 }
2502
2503 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2504 {
2505         u8 *pos = (void *)skb_put(skb, 7);
2506
2507         *pos++ = WLAN_EID_EXT_CAPABILITY;
2508         *pos++ = 5; /* len */
2509         *pos++ = 0x0;
2510         *pos++ = 0x0;
2511         *pos++ = 0x0;
2512         *pos++ = 0x0;
2513         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2514 }
2515
2516 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2517 {
2518         struct ieee80211_local *local = sdata->local;
2519         u16 capab;
2520
2521         capab = 0;
2522         if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2523                 return capab;
2524
2525         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2526                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2527         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2528                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2529
2530         return capab;
2531 }
2532
2533 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2534                                        u8 *peer, u8 *bssid)
2535 {
2536         struct ieee80211_tdls_lnkie *lnkid;
2537
2538         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2539
2540         lnkid->ie_type = WLAN_EID_LINK_ID;
2541         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2542
2543         memcpy(lnkid->bssid, bssid, ETH_ALEN);
2544         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2545         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2546 }
2547
2548 static int
2549 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2550                                u8 *peer, u8 action_code, u8 dialog_token,
2551                                u16 status_code, struct sk_buff *skb)
2552 {
2553         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2554         struct ieee80211_tdls_data *tf;
2555
2556         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2557
2558         memcpy(tf->da, peer, ETH_ALEN);
2559         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2560         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2561         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2562
2563         switch (action_code) {
2564         case WLAN_TDLS_SETUP_REQUEST:
2565                 tf->category = WLAN_CATEGORY_TDLS;
2566                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2567
2568                 skb_put(skb, sizeof(tf->u.setup_req));
2569                 tf->u.setup_req.dialog_token = dialog_token;
2570                 tf->u.setup_req.capability =
2571                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2572
2573                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2574                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2575                 ieee80211_tdls_add_ext_capab(skb);
2576                 break;
2577         case WLAN_TDLS_SETUP_RESPONSE:
2578                 tf->category = WLAN_CATEGORY_TDLS;
2579                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2580
2581                 skb_put(skb, sizeof(tf->u.setup_resp));
2582                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2583                 tf->u.setup_resp.dialog_token = dialog_token;
2584                 tf->u.setup_resp.capability =
2585                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2586
2587                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2588                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2589                 ieee80211_tdls_add_ext_capab(skb);
2590                 break;
2591         case WLAN_TDLS_SETUP_CONFIRM:
2592                 tf->category = WLAN_CATEGORY_TDLS;
2593                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2594
2595                 skb_put(skb, sizeof(tf->u.setup_cfm));
2596                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2597                 tf->u.setup_cfm.dialog_token = dialog_token;
2598                 break;
2599         case WLAN_TDLS_TEARDOWN:
2600                 tf->category = WLAN_CATEGORY_TDLS;
2601                 tf->action_code = WLAN_TDLS_TEARDOWN;
2602
2603                 skb_put(skb, sizeof(tf->u.teardown));
2604                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2605                 break;
2606         case WLAN_TDLS_DISCOVERY_REQUEST:
2607                 tf->category = WLAN_CATEGORY_TDLS;
2608                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2609
2610                 skb_put(skb, sizeof(tf->u.discover_req));
2611                 tf->u.discover_req.dialog_token = dialog_token;
2612                 break;
2613         default:
2614                 return -EINVAL;
2615         }
2616
2617         return 0;
2618 }
2619
2620 static int
2621 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2622                            u8 *peer, u8 action_code, u8 dialog_token,
2623                            u16 status_code, struct sk_buff *skb)
2624 {
2625         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2626         struct ieee80211_mgmt *mgmt;
2627
2628         mgmt = (void *)skb_put(skb, 24);
2629         memset(mgmt, 0, 24);
2630         memcpy(mgmt->da, peer, ETH_ALEN);
2631         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2632         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2633
2634         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2635                                           IEEE80211_STYPE_ACTION);
2636
2637         switch (action_code) {
2638         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2639                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2640                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2641                 mgmt->u.action.u.tdls_discover_resp.action_code =
2642                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2643                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2644                         dialog_token;
2645                 mgmt->u.action.u.tdls_discover_resp.capability =
2646                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2647
2648                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2649                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2650                 ieee80211_tdls_add_ext_capab(skb);
2651                 break;
2652         default:
2653                 return -EINVAL;
2654         }
2655
2656         return 0;
2657 }
2658
2659 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2660                                u8 *peer, u8 action_code, u8 dialog_token,
2661                                u16 status_code, const u8 *extra_ies,
2662                                size_t extra_ies_len)
2663 {
2664         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2665         struct ieee80211_local *local = sdata->local;
2666         struct ieee80211_tx_info *info;
2667         struct sk_buff *skb = NULL;
2668         bool send_direct;
2669         int ret;
2670
2671         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2672                 return -ENOTSUPP;
2673
2674         /* make sure we are in managed mode, and associated */
2675         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2676             !sdata->u.mgd.associated)
2677                 return -EINVAL;
2678
2679 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2680         printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer);
2681 #endif
2682
2683         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2684                             max(sizeof(struct ieee80211_mgmt),
2685                                 sizeof(struct ieee80211_tdls_data)) +
2686                             50 + /* supported rates */
2687                             7 + /* ext capab */
2688                             extra_ies_len +
2689                             sizeof(struct ieee80211_tdls_lnkie));
2690         if (!skb)
2691                 return -ENOMEM;
2692
2693         info = IEEE80211_SKB_CB(skb);
2694         skb_reserve(skb, local->hw.extra_tx_headroom);
2695
2696         switch (action_code) {
2697         case WLAN_TDLS_SETUP_REQUEST:
2698         case WLAN_TDLS_SETUP_RESPONSE:
2699         case WLAN_TDLS_SETUP_CONFIRM:
2700         case WLAN_TDLS_TEARDOWN:
2701         case WLAN_TDLS_DISCOVERY_REQUEST:
2702                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2703                                                      action_code, dialog_token,
2704                                                      status_code, skb);
2705                 send_direct = false;
2706                 break;
2707         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2708                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2709                                                  dialog_token, status_code,
2710                                                  skb);
2711                 send_direct = true;
2712                 break;
2713         default:
2714                 ret = -ENOTSUPP;
2715                 break;
2716         }
2717
2718         if (ret < 0)
2719                 goto fail;
2720
2721         if (extra_ies_len)
2722                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2723
2724         /* the TDLS link IE is always added last */
2725         switch (action_code) {
2726         case WLAN_TDLS_SETUP_REQUEST:
2727         case WLAN_TDLS_SETUP_CONFIRM:
2728         case WLAN_TDLS_TEARDOWN:
2729         case WLAN_TDLS_DISCOVERY_REQUEST:
2730                 /* we are the initiator */
2731                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2732                                            sdata->u.mgd.bssid);
2733                 break;
2734         case WLAN_TDLS_SETUP_RESPONSE:
2735         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2736                 /* we are the responder */
2737                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2738                                            sdata->u.mgd.bssid);
2739                 break;
2740         default:
2741                 ret = -ENOTSUPP;
2742                 goto fail;
2743         }
2744
2745         if (send_direct) {
2746                 ieee80211_tx_skb(sdata, skb);
2747                 return 0;
2748         }
2749
2750         /*
2751          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2752          * we should default to AC_VI.
2753          */
2754         switch (action_code) {
2755         case WLAN_TDLS_SETUP_REQUEST:
2756         case WLAN_TDLS_SETUP_RESPONSE:
2757                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2758                 skb->priority = 2;
2759                 break;
2760         default:
2761                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2762                 skb->priority = 5;
2763                 break;
2764         }
2765
2766         /* disable bottom halves when entering the Tx path */
2767         local_bh_disable();
2768         ret = ieee80211_subif_start_xmit(skb, dev);
2769         local_bh_enable();
2770
2771         return ret;
2772
2773 fail:
2774         dev_kfree_skb(skb);
2775         return ret;
2776 }
2777
2778 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2779                                u8 *peer, enum nl80211_tdls_operation oper)
2780 {
2781         struct sta_info *sta;
2782         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2783
2784         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2785                 return -ENOTSUPP;
2786
2787         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2788                 return -EINVAL;
2789
2790 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2791         printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer);
2792 #endif
2793
2794         switch (oper) {
2795         case NL80211_TDLS_ENABLE_LINK:
2796                 rcu_read_lock();
2797                 sta = sta_info_get(sdata, peer);
2798                 if (!sta) {
2799                         rcu_read_unlock();
2800                         return -ENOLINK;
2801                 }
2802
2803                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2804                 rcu_read_unlock();
2805                 break;
2806         case NL80211_TDLS_DISABLE_LINK:
2807                 return sta_info_destroy_addr(sdata, peer);
2808         case NL80211_TDLS_TEARDOWN:
2809         case NL80211_TDLS_SETUP:
2810         case NL80211_TDLS_DISCOVERY_REQ:
2811                 /* We don't support in-driver setup/teardown/discovery */
2812                 return -ENOTSUPP;
2813         default:
2814                 return -ENOTSUPP;
2815         }
2816
2817         return 0;
2818 }
2819
2820 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2821                                   const u8 *peer, u64 *cookie)
2822 {
2823         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2824         struct ieee80211_local *local = sdata->local;
2825         struct ieee80211_qos_hdr *nullfunc;
2826         struct sk_buff *skb;
2827         int size = sizeof(*nullfunc);
2828         __le16 fc;
2829         bool qos;
2830         struct ieee80211_tx_info *info;
2831         struct sta_info *sta;
2832
2833         rcu_read_lock();
2834         sta = sta_info_get(sdata, peer);
2835         if (sta) {
2836                 qos = test_sta_flag(sta, WLAN_STA_WME);
2837                 rcu_read_unlock();
2838         } else {
2839                 rcu_read_unlock();
2840                 return -ENOLINK;
2841         }
2842
2843         if (qos) {
2844                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2845                                  IEEE80211_STYPE_QOS_NULLFUNC |
2846                                  IEEE80211_FCTL_FROMDS);
2847         } else {
2848                 size -= 2;
2849                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2850                                  IEEE80211_STYPE_NULLFUNC |
2851                                  IEEE80211_FCTL_FROMDS);
2852         }
2853
2854         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2855         if (!skb)
2856                 return -ENOMEM;
2857
2858         skb->dev = dev;
2859
2860         skb_reserve(skb, local->hw.extra_tx_headroom);
2861
2862         nullfunc = (void *) skb_put(skb, size);
2863         nullfunc->frame_control = fc;
2864         nullfunc->duration_id = 0;
2865         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2866         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2867         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2868         nullfunc->seq_ctrl = 0;
2869
2870         info = IEEE80211_SKB_CB(skb);
2871
2872         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2873                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2874
2875         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2876         skb->priority = 7;
2877         if (qos)
2878                 nullfunc->qos_ctrl = cpu_to_le16(7);
2879
2880         local_bh_disable();
2881         ieee80211_xmit(sdata, skb);
2882         local_bh_enable();
2883
2884         *cookie = (unsigned long) skb;
2885         return 0;
2886 }
2887
2888 static struct ieee80211_channel *
2889 ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2890                             enum nl80211_channel_type *type)
2891 {
2892         struct ieee80211_local *local = wiphy_priv(wiphy);
2893
2894         *type = local->_oper_channel_type;
2895         return local->oper_channel;
2896 }
2897
2898 #ifdef CONFIG_PM
2899 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2900 {
2901         drv_set_wakeup(wiphy_priv(wiphy), enabled);
2902 }
2903 #endif
2904
2905 struct cfg80211_ops mac80211_config_ops = {
2906         .add_virtual_intf = ieee80211_add_iface,
2907         .del_virtual_intf = ieee80211_del_iface,
2908         .change_virtual_intf = ieee80211_change_iface,
2909         .add_key = ieee80211_add_key,
2910         .del_key = ieee80211_del_key,
2911         .get_key = ieee80211_get_key,
2912         .set_default_key = ieee80211_config_default_key,
2913         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2914         .start_ap = ieee80211_start_ap,
2915         .change_beacon = ieee80211_change_beacon,
2916         .stop_ap = ieee80211_stop_ap,
2917         .add_station = ieee80211_add_station,
2918         .del_station = ieee80211_del_station,
2919         .change_station = ieee80211_change_station,
2920         .get_station = ieee80211_get_station,
2921         .dump_station = ieee80211_dump_station,
2922         .dump_survey = ieee80211_dump_survey,
2923 #ifdef CONFIG_MAC80211_MESH
2924         .add_mpath = ieee80211_add_mpath,
2925         .del_mpath = ieee80211_del_mpath,
2926         .change_mpath = ieee80211_change_mpath,
2927         .get_mpath = ieee80211_get_mpath,
2928         .dump_mpath = ieee80211_dump_mpath,
2929         .update_mesh_config = ieee80211_update_mesh_config,
2930         .get_mesh_config = ieee80211_get_mesh_config,
2931         .join_mesh = ieee80211_join_mesh,
2932         .leave_mesh = ieee80211_leave_mesh,
2933 #endif
2934         .change_bss = ieee80211_change_bss,
2935         .set_txq_params = ieee80211_set_txq_params,
2936         .set_channel = ieee80211_set_channel,
2937         .suspend = ieee80211_suspend,
2938         .resume = ieee80211_resume,
2939         .scan = ieee80211_scan,
2940         .sched_scan_start = ieee80211_sched_scan_start,
2941         .sched_scan_stop = ieee80211_sched_scan_stop,
2942         .auth = ieee80211_auth,
2943         .assoc = ieee80211_assoc,
2944         .deauth = ieee80211_deauth,
2945         .disassoc = ieee80211_disassoc,
2946         .join_ibss = ieee80211_join_ibss,
2947         .leave_ibss = ieee80211_leave_ibss,
2948         .set_wiphy_params = ieee80211_set_wiphy_params,
2949         .set_tx_power = ieee80211_set_tx_power,
2950         .get_tx_power = ieee80211_get_tx_power,
2951         .set_wds_peer = ieee80211_set_wds_peer,
2952         .rfkill_poll = ieee80211_rfkill_poll,
2953         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
2954         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
2955         .set_power_mgmt = ieee80211_set_power_mgmt,
2956         .set_bitrate_mask = ieee80211_set_bitrate_mask,
2957         .remain_on_channel = ieee80211_remain_on_channel,
2958         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
2959         .mgmt_tx = ieee80211_mgmt_tx,
2960         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
2961         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
2962         .mgmt_frame_register = ieee80211_mgmt_frame_register,
2963         .set_antenna = ieee80211_set_antenna,
2964         .get_antenna = ieee80211_get_antenna,
2965         .set_ringparam = ieee80211_set_ringparam,
2966         .get_ringparam = ieee80211_get_ringparam,
2967         .set_rekey_data = ieee80211_set_rekey_data,
2968         .tdls_oper = ieee80211_tdls_oper,
2969         .tdls_mgmt = ieee80211_tdls_mgmt,
2970         .probe_client = ieee80211_probe_client,
2971         .get_channel = ieee80211_wiphy_get_channel,
2972         .set_noack_map = ieee80211_set_noack_map,
2973 #ifdef CONFIG_PM
2974         .set_wakeup = ieee80211_set_wakeup,
2975 #endif
2976         .get_et_sset_count = ieee80211_get_et_sset_count,
2977         .get_et_stats = ieee80211_get_et_stats,
2978         .get_et_strings = ieee80211_get_et_strings,
2979 };