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_channel(struct wiphy *wiphy,
 678                                  struct net_device *netdev,
 679                                  struct ieee80211_channel *chan,
 680                                  enum nl80211_channel_type channel_type)
 681 {
 682         struct ieee80211_local *local = wiphy_priv(wiphy);
 683         struct ieee80211_sub_if_data *sdata = NULL;
 684
 685         if (netdev)
 686                 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
 687
 688         switch (ieee80211_get_channel_mode(local, NULL)) {
 689         case CHAN_MODE_HOPPING:
 690                 return -EBUSY;
 691         case CHAN_MODE_FIXED:
 692                 if (local->oper_channel != chan)
 693                         return -EBUSY;
 694                 if (!sdata && local->_oper_channel_type == channel_type)
 695                         return 0;
 696                 break;
 697         case CHAN_MODE_UNDEFINED:
 698                 break;
 699         }
 700
 701         if (!ieee80211_set_channel_type(local, sdata, channel_type))
 702                 return -EBUSY;
 703
 704         local->oper_channel = chan;
 705
 706         /* auto-detects changes */
 707         ieee80211_hw_config(local, 0);
 708
 709         return 0;
 710 }
 711
 712 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 713                                          struct ieee80211_channel *chan,
 714                                          enum nl80211_channel_type channel_type)
 715 {
 716         return ieee80211_set_channel(wiphy, NULL, chan, channel_type);
 717 }
 718
 719 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 720                                     const u8 *resp, size_t resp_len)
 721 {
 722         struct sk_buff *new, *old;
 723
 724         if (!resp || !resp_len)
 725                 return 1;
 726
 727         old = rtnl_dereference(sdata->u.ap.probe_resp);
 728
 729         new = dev_alloc_skb(resp_len);
 730         if (!new)
 731                 return -ENOMEM;
 732
 733         memcpy(skb_put(new, resp_len), resp, resp_len);
 734
 735         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 736         if (old) {
 737                 /* TODO: use call_rcu() */
 738                 synchronize_rcu();
 739                 dev_kfree_skb(old);
 740         }
 741
 742         return 0;
 743 }
 744
 745 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 746                                    struct cfg80211_beacon_data *params)
 747 {
 748         struct beacon_data *new, *old;
 749         int new_head_len, new_tail_len;
 750         int size, err;
 751         u32 changed = BSS_CHANGED_BEACON;
 752
 753         old = rtnl_dereference(sdata->u.ap.beacon);
 754
 755         /* Need to have a beacon head if we don't have one yet */
 756         if (!params->head && !old)
 757                 return -EINVAL;
 758
 759         /* new or old head? */
 760         if (params->head)
 761                 new_head_len = params->head_len;
 762         else
 763                 new_head_len = old->head_len;
 764
 765         /* new or old tail? */
 766         if (params->tail || !old)
 767                 /* params->tail_len will be zero for !params->tail */
 768                 new_tail_len = params->tail_len;
 769         else
 770                 new_tail_len = old->tail_len;
 771
 772         size = sizeof(*new) + new_head_len + new_tail_len;
 773
 774         new = kzalloc(size, GFP_KERNEL);
 775         if (!new)
 776                 return -ENOMEM;
 777
 778         /* start filling the new info now */
 779
 780         /*
 781          * pointers go into the block we allocated,
 782          * memory is | beacon_data | head | tail |
 783          */
 784         new->head = ((u8 *) new) + sizeof(*new);
 785         new->tail = new->head + new_head_len;
 786         new->head_len = new_head_len;
 787         new->tail_len = new_tail_len;
 788
 789         /* copy in head */
 790         if (params->head)
 791                 memcpy(new->head, params->head, new_head_len);
 792         else
 793                 memcpy(new->head, old->head, new_head_len);
 794
 795         /* copy in optional tail */
 796         if (params->tail)
 797                 memcpy(new->tail, params->tail, new_tail_len);
 798         else
 799                 if (old)
 800                         memcpy(new->tail, old->tail, new_tail_len);
 801
 802         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 803                                        params->probe_resp_len);
 804         if (err < 0)
 805                 return err;
 806         if (err == 0)
 807                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 808
 809         rcu_assign_pointer(sdata->u.ap.beacon, new);
 810
 811         if (old)
 812                 kfree_rcu(old, rcu_head);
 813
 814         return changed;
 815 }
 816
 817 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 818                               struct cfg80211_ap_settings *params)
 819 {
 820         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 821         struct beacon_data *old;
 822         struct ieee80211_sub_if_data *vlan;
 823         u32 changed = BSS_CHANGED_BEACON_INT |
 824                       BSS_CHANGED_BEACON_ENABLED |
 825                       BSS_CHANGED_BEACON |
 826                       BSS_CHANGED_SSID;
 827         int err;
 828
 829         old = rtnl_dereference(sdata->u.ap.beacon);
 830         if (old)
 831                 return -EALREADY;
 832
 833         err = ieee80211_set_channel(wiphy, dev, params->channel,
 834                                     params->channel_type);
 835         if (err)
 836                 return err;
 837
 838         /*
 839          * Apply control port protocol, this allows us to
 840          * not encrypt dynamic WEP control frames.
 841          */
 842         sdata->control_port_protocol = params->crypto.control_port_ethertype;
 843         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
 844         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
 845                 vlan->control_port_protocol =
 846                         params->crypto.control_port_ethertype;
 847                 vlan->control_port_no_encrypt =
 848                         params->crypto.control_port_no_encrypt;
 849         }
 850
 851         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
 852         sdata->vif.bss_conf.dtim_period = params->dtim_period;
 853
 854         sdata->vif.bss_conf.ssid_len = params->ssid_len;
 855         if (params->ssid_len)
 856                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
 857                        params->ssid_len);
 858         sdata->vif.bss_conf.hidden_ssid =
 859                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
 860
 861         err = ieee80211_assign_beacon(sdata, &params->beacon);
 862         if (err < 0)
 863                 return err;
 864         changed |= err;
 865
 866         ieee80211_bss_info_change_notify(sdata, changed);
 867
 868         netif_carrier_on(dev);
 869         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 870                 netif_carrier_on(vlan->dev);
 871
 872         return 0;
 873 }
 874
 875 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
 876                                    struct cfg80211_beacon_data *params)
 877 {
 878         struct ieee80211_sub_if_data *sdata;
 879         struct beacon_data *old;
 880         int err;
 881
 882         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 883
 884         old = rtnl_dereference(sdata->u.ap.beacon);
 885         if (!old)
 886                 return -ENOENT;
 887
 888         err = ieee80211_assign_beacon(sdata, params);
 889         if (err < 0)
 890                 return err;
 891         ieee80211_bss_info_change_notify(sdata, err);
 892         return 0;
 893 }
 894
 895 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
 896 {
 897         struct ieee80211_sub_if_data *sdata, *vlan;
 898         struct beacon_data *old;
 899
 900         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 901
 902         old = rtnl_dereference(sdata->u.ap.beacon);
 903         if (!old)
 904                 return -ENOENT;
 905
 906         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
 907                 netif_carrier_off(vlan->dev);
 908         netif_carrier_off(dev);
 909
 910         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
 911
 912         kfree_rcu(old, rcu_head);
 913
 914         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 915
 916         return 0;
 917 }
 918
 919 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 920 struct iapp_layer2_update {
 921         u8 da[ETH_ALEN];        /* broadcast */
 922         u8 sa[ETH_ALEN];        /* STA addr */
 923         __be16 len;             /* 6 */
 924         u8 dsap;                /* 0 */
 925         u8 ssap;                /* 0 */
 926         u8 control;
 927         u8 xid_info[3];
 928 } __packed;
 929
 930 static void ieee80211_send_layer2_update(struct sta_info *sta)
 931 {
 932         struct iapp_layer2_update *msg;
 933         struct sk_buff *skb;
 934
 935         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 936          * bridge devices */
 937
 938         skb = dev_alloc_skb(sizeof(*msg));
 939         if (!skb)
 940                 return;
 941         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 942
 943         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 944          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 945
 946         memset(msg->da, 0xff, ETH_ALEN);
 947         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 948         msg->len = htons(6);
 949         msg->dsap = 0;
 950         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 951         msg->control = 0xaf;    /* XID response lsb.1111F101.
 952                                  * F=0 (no poll command; unsolicited frame) */
 953         msg->xid_info[0] = 0x81;        /* XID format identifier */
 954         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 955         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 956
 957         skb->dev = sta->sdata->dev;
 958         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 959         memset(skb->cb, 0, sizeof(skb->cb));
 960         netif_rx_ni(skb);
 961 }
 962
 963 static int sta_apply_parameters(struct ieee80211_local *local,
 964                                 struct sta_info *sta,
 965                                 struct station_parameters *params)
 966 {
 967         int ret = 0;
 968         u32 rates;
 969         int i, j;
 970         struct ieee80211_supported_band *sband;
 971         struct ieee80211_sub_if_data *sdata = sta->sdata;
 972         u32 mask, set;
 973
 974         sband = local->hw.wiphy->bands[local->oper_channel->band];
 975
 976         mask = params->sta_flags_mask;
 977         set = params->sta_flags_set;
 978
 979         /*
 980          * In mesh mode, we can clear AUTHENTICATED flag but must
 981          * also make ASSOCIATED follow appropriately for the driver
 982          * API. See also below, after AUTHORIZED changes.
 983          */
 984         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
 985                 /* cfg80211 should not allow this in non-mesh modes */
 986                 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
 987                         return -EINVAL;
 988
 989                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
 990                     !test_sta_flag(sta, WLAN_STA_AUTH)) {
 991                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
 992                         if (ret)
 993                                 return ret;
 994                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
 995                         if (ret)
 996                                 return ret;
 997                 }
 998         }
 999
1000         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1001                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1002                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1003                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1004                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1005                 if (ret)
1006                         return ret;
1007         }
1008
1009         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
1010                 /* cfg80211 should not allow this in non-mesh modes */
1011                 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif)))
1012                         return -EINVAL;
1013
1014                 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1015                     test_sta_flag(sta, WLAN_STA_AUTH)) {
1016                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1017                         if (ret)
1018                                 return ret;
1019                         ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1020                         if (ret)
1021                                 return ret;
1022                 }
1023         }
1024
1025
1026         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1027                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1028                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1029                 else
1030                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1031         }
1032
1033         if (mask & BIT(NL80211_STA_FLAG_WME)) {
1034                 if (set & BIT(NL80211_STA_FLAG_WME)) {
1035                         set_sta_flag(sta, WLAN_STA_WME);
1036                         sta->sta.wme = true;
1037                 } else {
1038                         clear_sta_flag(sta, WLAN_STA_WME);
1039                         sta->sta.wme = false;
1040                 }
1041         }
1042
1043         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1044                 if (set & BIT(NL80211_STA_FLAG_MFP))
1045                         set_sta_flag(sta, WLAN_STA_MFP);
1046                 else
1047                         clear_sta_flag(sta, WLAN_STA_MFP);
1048         }
1049
1050         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1051                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1052                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1053                 else
1054                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1055         }
1056
1057         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1058                 sta->sta.uapsd_queues = params->uapsd_queues;
1059                 sta->sta.max_sp = params->max_sp;
1060         }
1061
1062         /*
1063          * cfg80211 validates this (1-2007) and allows setting the AID
1064          * only when creating a new station entry
1065          */
1066         if (params->aid)
1067                 sta->sta.aid = params->aid;
1068
1069         /*
1070          * FIXME: updating the following information is racy when this
1071          *        function is called from ieee80211_change_station().
1072          *        However, all this information should be static so
1073          *        maybe we should just reject attemps to change it.
1074          */
1075
1076         if (params->listen_interval >= 0)
1077                 sta->listen_interval = params->listen_interval;
1078
1079         if (params->supported_rates) {
1080                 rates = 0;
1081
1082                 for (i = 0; i < params->supported_rates_len; i++) {
1083                         int rate = (params->supported_rates[i] & 0x7f) * 5;
1084                         for (j = 0; j < sband->n_bitrates; j++) {
1085                                 if (sband->bitrates[j].bitrate == rate)
1086                                         rates |= BIT(j);
1087                         }
1088                 }
1089                 sta->sta.supp_rates[local->oper_channel->band] = rates;
1090         }
1091
1092         if (params->ht_capa)
1093                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1094                                                   params->ht_capa,
1095                                                   &sta->sta.ht_cap);
1096
1097         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1098 #ifdef CONFIG_MAC80211_MESH
1099                 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED)
1100                         switch (params->plink_state) {
1101                         case NL80211_PLINK_LISTEN:
1102                         case NL80211_PLINK_ESTAB:
1103                         case NL80211_PLINK_BLOCKED:
1104                                 sta->plink_state = params->plink_state;
1105                                 break;
1106                         default:
1107                                 /*  nothing  */
1108                                 break;
1109                         }
1110                 else
1111                         switch (params->plink_action) {
1112                         case PLINK_ACTION_OPEN:
1113                                 mesh_plink_open(sta);
1114                                 break;
1115                         case PLINK_ACTION_BLOCK:
1116                                 mesh_plink_block(sta);
1117                                 break;
1118                         }
1119 #endif
1120         }
1121
1122         return 0;
1123 }
1124
1125 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1126                                  u8 *mac, struct station_parameters *params)
1127 {
1128         struct ieee80211_local *local = wiphy_priv(wiphy);
1129         struct sta_info *sta;
1130         struct ieee80211_sub_if_data *sdata;
1131         int err;
1132         int layer2_update;
1133
1134         if (params->vlan) {
1135                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1136
1137                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1138                     sdata->vif.type != NL80211_IFTYPE_AP)
1139                         return -EINVAL;
1140         } else
1141                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1142
1143         if (ether_addr_equal(mac, sdata->vif.addr))
1144                 return -EINVAL;
1145
1146         if (is_multicast_ether_addr(mac))
1147                 return -EINVAL;
1148
1149         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1150         if (!sta)
1151                 return -ENOMEM;
1152
1153         sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
1154         sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
1155
1156         err = sta_apply_parameters(local, sta, params);
1157         if (err) {
1158                 sta_info_free(local, sta);
1159                 return err;
1160         }
1161
1162         /*
1163          * for TDLS, rate control should be initialized only when supported
1164          * rates are known.
1165          */
1166         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER))
1167                 rate_control_rate_init(sta);
1168
1169         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1170                 sdata->vif.type == NL80211_IFTYPE_AP;
1171
1172         err = sta_info_insert_rcu(sta);
1173         if (err) {
1174                 rcu_read_unlock();
1175                 return err;
1176         }
1177
1178         if (layer2_update)
1179                 ieee80211_send_layer2_update(sta);
1180
1181         rcu_read_unlock();
1182
1183         return 0;
1184 }
1185
1186 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1187                                  u8 *mac)
1188 {
1189         struct ieee80211_local *local = wiphy_priv(wiphy);
1190         struct ieee80211_sub_if_data *sdata;
1191
1192         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1193
1194         if (mac)
1195                 return sta_info_destroy_addr_bss(sdata, mac);
1196
1197         sta_info_flush(local, sdata);
1198         return 0;
1199 }
1200
1201 static int ieee80211_change_station(struct wiphy *wiphy,
1202                                     struct net_device *dev,
1203                                     u8 *mac,
1204                                     struct station_parameters *params)
1205 {
1206         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1207         struct ieee80211_local *local = wiphy_priv(wiphy);
1208         struct sta_info *sta;
1209         struct ieee80211_sub_if_data *vlansdata;
1210         int err;
1211
1212         mutex_lock(&local->sta_mtx);
1213
1214         sta = sta_info_get_bss(sdata, mac);
1215         if (!sta) {
1216                 mutex_unlock(&local->sta_mtx);
1217                 return -ENOENT;
1218         }
1219
1220         /* in station mode, supported rates are only valid with TDLS */
1221         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1222             params->supported_rates &&
1223             !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1224                 mutex_unlock(&local->sta_mtx);
1225                 return -EINVAL;
1226         }
1227
1228         if (params->vlan && params->vlan != sta->sdata->dev) {
1229                 bool prev_4addr = false;
1230                 bool new_4addr = false;
1231
1232                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1233
1234                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1235                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
1236                         mutex_unlock(&local->sta_mtx);
1237                         return -EINVAL;
1238                 }
1239
1240                 if (params->vlan->ieee80211_ptr->use_4addr) {
1241                         if (vlansdata->u.vlan.sta) {
1242                                 mutex_unlock(&local->sta_mtx);
1243                                 return -EBUSY;
1244                         }
1245
1246                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1247                         new_4addr = true;
1248                 }
1249
1250                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1251                     sta->sdata->u.vlan.sta) {
1252                         rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL);
1253                         prev_4addr = true;
1254                 }
1255
1256                 sta->sdata = vlansdata;
1257
1258                 if (sta->sta_state == IEEE80211_STA_AUTHORIZED &&
1259                     prev_4addr != new_4addr) {
1260                         if (new_4addr)
1261                                 atomic_dec(&sta->sdata->bss->num_mcast_sta);
1262                         else
1263                                 atomic_inc(&sta->sdata->bss->num_mcast_sta);
1264                 }
1265
1266                 ieee80211_send_layer2_update(sta);
1267         }
1268
1269         err = sta_apply_parameters(local, sta, params);
1270         if (err) {
1271                 mutex_unlock(&local->sta_mtx);
1272                 return err;
1273         }
1274
1275         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates)
1276                 rate_control_rate_init(sta);
1277
1278         mutex_unlock(&local->sta_mtx);
1279
1280         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1281             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
1282                 ieee80211_recalc_ps(local, -1);
1283
1284         return 0;
1285 }
1286
1287 #ifdef CONFIG_MAC80211_MESH
1288 static int ieee80211_add_mpath(struct wiphy *wiphy, 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         int err;
1295
1296         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1297
1298         rcu_read_lock();
1299         sta = sta_info_get(sdata, next_hop);
1300         if (!sta) {
1301                 rcu_read_unlock();
1302                 return -ENOENT;
1303         }
1304
1305         err = mesh_path_add(dst, sdata);
1306         if (err) {
1307                 rcu_read_unlock();
1308                 return err;
1309         }
1310
1311         mpath = mesh_path_lookup(dst, sdata);
1312         if (!mpath) {
1313                 rcu_read_unlock();
1314                 return -ENXIO;
1315         }
1316         mesh_path_fix_nexthop(mpath, sta);
1317
1318         rcu_read_unlock();
1319         return 0;
1320 }
1321
1322 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1323                                  u8 *dst)
1324 {
1325         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1326
1327         if (dst)
1328                 return mesh_path_del(dst, sdata);
1329
1330         mesh_path_flush_by_iface(sdata);
1331         return 0;
1332 }
1333
1334 static int ieee80211_change_mpath(struct wiphy *wiphy,
1335                                     struct net_device *dev,
1336                                     u8 *dst, u8 *next_hop)
1337 {
1338         struct ieee80211_sub_if_data *sdata;
1339         struct mesh_path *mpath;
1340         struct sta_info *sta;
1341
1342         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1343
1344         rcu_read_lock();
1345
1346         sta = sta_info_get(sdata, next_hop);
1347         if (!sta) {
1348                 rcu_read_unlock();
1349                 return -ENOENT;
1350         }
1351
1352         mpath = mesh_path_lookup(dst, sdata);
1353         if (!mpath) {
1354                 rcu_read_unlock();
1355                 return -ENOENT;
1356         }
1357
1358         mesh_path_fix_nexthop(mpath, sta);
1359
1360         rcu_read_unlock();
1361         return 0;
1362 }
1363
1364 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1365                             struct mpath_info *pinfo)
1366 {
1367         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1368
1369         if (next_hop_sta)
1370                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1371         else
1372                 memset(next_hop, 0, ETH_ALEN);
1373
1374         pinfo->generation = mesh_paths_generation;
1375
1376         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1377                         MPATH_INFO_SN |
1378                         MPATH_INFO_METRIC |
1379                         MPATH_INFO_EXPTIME |
1380                         MPATH_INFO_DISCOVERY_TIMEOUT |
1381                         MPATH_INFO_DISCOVERY_RETRIES |
1382                         MPATH_INFO_FLAGS;
1383
1384         pinfo->frame_qlen = mpath->frame_queue.qlen;
1385         pinfo->sn = mpath->sn;
1386         pinfo->metric = mpath->metric;
1387         if (time_before(jiffies, mpath->exp_time))
1388                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1389         pinfo->discovery_timeout =
1390                         jiffies_to_msecs(mpath->discovery_timeout);
1391         pinfo->discovery_retries = mpath->discovery_retries;
1392         pinfo->flags = 0;
1393         if (mpath->flags & MESH_PATH_ACTIVE)
1394                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1395         if (mpath->flags & MESH_PATH_RESOLVING)
1396                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1397         if (mpath->flags & MESH_PATH_SN_VALID)
1398                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1399         if (mpath->flags & MESH_PATH_FIXED)
1400                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1401         if (mpath->flags & MESH_PATH_RESOLVING)
1402                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1403
1404         pinfo->flags = mpath->flags;
1405 }
1406
1407 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1408                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1409
1410 {
1411         struct ieee80211_sub_if_data *sdata;
1412         struct mesh_path *mpath;
1413
1414         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1415
1416         rcu_read_lock();
1417         mpath = mesh_path_lookup(dst, sdata);
1418         if (!mpath) {
1419                 rcu_read_unlock();
1420                 return -ENOENT;
1421         }
1422         memcpy(dst, mpath->dst, ETH_ALEN);
1423         mpath_set_pinfo(mpath, next_hop, pinfo);
1424         rcu_read_unlock();
1425         return 0;
1426 }
1427
1428 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1429                                  int idx, u8 *dst, u8 *next_hop,
1430                                  struct mpath_info *pinfo)
1431 {
1432         struct ieee80211_sub_if_data *sdata;
1433         struct mesh_path *mpath;
1434
1435         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1436
1437         rcu_read_lock();
1438         mpath = mesh_path_lookup_by_idx(idx, sdata);
1439         if (!mpath) {
1440                 rcu_read_unlock();
1441                 return -ENOENT;
1442         }
1443         memcpy(dst, mpath->dst, ETH_ALEN);
1444         mpath_set_pinfo(mpath, next_hop, pinfo);
1445         rcu_read_unlock();
1446         return 0;
1447 }
1448
1449 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1450                                 struct net_device *dev,
1451                                 struct mesh_config *conf)
1452 {
1453         struct ieee80211_sub_if_data *sdata;
1454         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1455
1456         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1457         return 0;
1458 }
1459
1460 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1461 {
1462         return (mask >> (parm-1)) & 0x1;
1463 }
1464
1465 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1466                 const struct mesh_setup *setup)
1467 {
1468         u8 *new_ie;
1469         const u8 *old_ie;
1470         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1471                                         struct ieee80211_sub_if_data, u.mesh);
1472
1473         /* allocate information elements */
1474         new_ie = NULL;
1475         old_ie = ifmsh->ie;
1476
1477         if (setup->ie_len) {
1478                 new_ie = kmemdup(setup->ie, setup->ie_len,
1479                                 GFP_KERNEL);
1480                 if (!new_ie)
1481                         return -ENOMEM;
1482         }
1483         ifmsh->ie_len = setup->ie_len;
1484         ifmsh->ie = new_ie;
1485         kfree(old_ie);
1486
1487         /* now copy the rest of the setup parameters */
1488         ifmsh->mesh_id_len = setup->mesh_id_len;
1489         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1490         ifmsh->mesh_sp_id = setup->sync_method;
1491         ifmsh->mesh_pp_id = setup->path_sel_proto;
1492         ifmsh->mesh_pm_id = setup->path_metric;
1493         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1494         if (setup->is_authenticated)
1495                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1496         if (setup->is_secure)
1497                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1498
1499         /* mcast rate setting in Mesh Node */
1500         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1501                                                 sizeof(setup->mcast_rate));
1502
1503         return 0;
1504 }
1505
1506 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1507                                         struct net_device *dev, u32 mask,
1508                                         const struct mesh_config *nconf)
1509 {
1510         struct mesh_config *conf;
1511         struct ieee80211_sub_if_data *sdata;
1512         struct ieee80211_if_mesh *ifmsh;
1513
1514         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1515         ifmsh = &sdata->u.mesh;
1516
1517         /* Set the config options which we are interested in setting */
1518         conf = &(sdata->u.mesh.mshcfg);
1519         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1520                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1521         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1522                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1523         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1524                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1525         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1526                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1527         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1528                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1529         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1530                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1531         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1532                 conf->dot11MeshTTL = nconf->element_ttl;
1533         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1534                 conf->auto_open_plinks = nconf->auto_open_plinks;
1535         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1536                 conf->dot11MeshNbrOffsetMaxNeighbor =
1537                         nconf->dot11MeshNbrOffsetMaxNeighbor;
1538         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1539                 conf->dot11MeshHWMPmaxPREQretries =
1540                         nconf->dot11MeshHWMPmaxPREQretries;
1541         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1542                 conf->path_refresh_time = nconf->path_refresh_time;
1543         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1544                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1545         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1546                 conf->dot11MeshHWMPactivePathTimeout =
1547                         nconf->dot11MeshHWMPactivePathTimeout;
1548         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1549                 conf->dot11MeshHWMPpreqMinInterval =
1550                         nconf->dot11MeshHWMPpreqMinInterval;
1551         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1552                 conf->dot11MeshHWMPperrMinInterval =
1553                         nconf->dot11MeshHWMPperrMinInterval;
1554         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1555                            mask))
1556                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1557                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1558         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1559                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1560                 ieee80211_mesh_root_setup(ifmsh);
1561         }
1562         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1563                 /* our current gate announcement implementation rides on root
1564                  * announcements, so require this ifmsh to also be a root node
1565                  * */
1566                 if (nconf->dot11MeshGateAnnouncementProtocol &&
1567                     !conf->dot11MeshHWMPRootMode) {
1568                         conf->dot11MeshHWMPRootMode = 1;
1569                         ieee80211_mesh_root_setup(ifmsh);
1570                 }
1571                 conf->dot11MeshGateAnnouncementProtocol =
1572                         nconf->dot11MeshGateAnnouncementProtocol;
1573         }
1574         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) {
1575                 conf->dot11MeshHWMPRannInterval =
1576                         nconf->dot11MeshHWMPRannInterval;
1577         }
1578         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1579                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1580         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1581                 /* our RSSI threshold implementation is supported only for
1582                  * devices that report signal in dBm.
1583                  */
1584                 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM))
1585                         return -ENOTSUPP;
1586                 conf->rssi_threshold = nconf->rssi_threshold;
1587         }
1588         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1589                 conf->ht_opmode = nconf->ht_opmode;
1590                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1591                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1592         }
1593         return 0;
1594 }
1595
1596 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1597                                const struct mesh_config *conf,
1598                                const struct mesh_setup *setup)
1599 {
1600         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1601         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1602         int err;
1603
1604         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1605         err = copy_mesh_setup(ifmsh, setup);
1606         if (err)
1607                 return err;
1608
1609         err = ieee80211_set_channel(wiphy, dev, setup->channel,
1610                                     setup->channel_type);
1611         if (err)
1612                 return err;
1613
1614         ieee80211_start_mesh(sdata);
1615
1616         return 0;
1617 }
1618
1619 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1620 {
1621         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1622
1623         ieee80211_stop_mesh(sdata);
1624
1625         return 0;
1626 }
1627 #endif
1628
1629 static int ieee80211_change_bss(struct wiphy *wiphy,
1630                                 struct net_device *dev,
1631                                 struct bss_parameters *params)
1632 {
1633         struct ieee80211_sub_if_data *sdata;
1634         u32 changed = 0;
1635
1636         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1637
1638         if (params->use_cts_prot >= 0) {
1639                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1640                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1641         }
1642         if (params->use_short_preamble >= 0) {
1643                 sdata->vif.bss_conf.use_short_preamble =
1644                         params->use_short_preamble;
1645                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1646         }
1647
1648         if (!sdata->vif.bss_conf.use_short_slot &&
1649             sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1650                 sdata->vif.bss_conf.use_short_slot = true;
1651                 changed |= BSS_CHANGED_ERP_SLOT;
1652         }
1653
1654         if (params->use_short_slot_time >= 0) {
1655                 sdata->vif.bss_conf.use_short_slot =
1656                         params->use_short_slot_time;
1657                 changed |= BSS_CHANGED_ERP_SLOT;
1658         }
1659
1660         if (params->basic_rates) {
1661                 int i, j;
1662                 u32 rates = 0;
1663                 struct ieee80211_local *local = wiphy_priv(wiphy);
1664                 struct ieee80211_supported_band *sband =
1665                         wiphy->bands[local->oper_channel->band];
1666
1667                 for (i = 0; i < params->basic_rates_len; i++) {
1668                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1669                         for (j = 0; j < sband->n_bitrates; j++) {
1670                                 if (sband->bitrates[j].bitrate == rate)
1671                                         rates |= BIT(j);
1672                         }
1673                 }
1674                 sdata->vif.bss_conf.basic_rates = rates;
1675                 changed |= BSS_CHANGED_BASIC_RATES;
1676         }
1677
1678         if (params->ap_isolate >= 0) {
1679                 if (params->ap_isolate)
1680                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1681                 else
1682                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1683         }
1684
1685         if (params->ht_opmode >= 0) {
1686                 sdata->vif.bss_conf.ht_operation_mode =
1687                         (u16) params->ht_opmode;
1688                 changed |= BSS_CHANGED_HT;
1689         }
1690
1691         ieee80211_bss_info_change_notify(sdata, changed);
1692
1693         return 0;
1694 }
1695
1696 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1697                                     struct net_device *dev,
1698                                     struct ieee80211_txq_params *params)
1699 {
1700         struct ieee80211_local *local = wiphy_priv(wiphy);
1701         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1702         struct ieee80211_tx_queue_params p;
1703
1704         if (!local->ops->conf_tx)
1705                 return -EOPNOTSUPP;
1706
1707         if (local->hw.queues < IEEE80211_NUM_ACS)
1708                 return -EOPNOTSUPP;
1709
1710         memset(&p, 0, sizeof(p));
1711         p.aifs = params->aifs;
1712         p.cw_max = params->cwmax;
1713         p.cw_min = params->cwmin;
1714         p.txop = params->txop;
1715
1716         /*
1717          * Setting tx queue params disables u-apsd because it's only
1718          * called in master mode.
1719          */
1720         p.uapsd = false;
1721
1722         sdata->tx_conf[params->ac] = p;
1723         if (drv_conf_tx(local, sdata, params->ac, &p)) {
1724                 wiphy_debug(local->hw.wiphy,
1725                             "failed to set TX queue parameters for AC %d\n",
1726                             params->ac);
1727                 return -EINVAL;
1728         }
1729
1730         return 0;
1731 }
1732
1733 #ifdef CONFIG_PM
1734 static int ieee80211_suspend(struct wiphy *wiphy,
1735                              struct cfg80211_wowlan *wowlan)
1736 {
1737         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
1738 }
1739
1740 static int ieee80211_resume(struct wiphy *wiphy)
1741 {
1742         return __ieee80211_resume(wiphy_priv(wiphy));
1743 }
1744 #else
1745 #define ieee80211_suspend NULL
1746 #define ieee80211_resume NULL
1747 #endif
1748
1749 static int ieee80211_scan(struct wiphy *wiphy,
1750                           struct net_device *dev,
1751                           struct cfg80211_scan_request *req)
1752 {
1753         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1754
1755         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1756         case NL80211_IFTYPE_STATION:
1757         case NL80211_IFTYPE_ADHOC:
1758         case NL80211_IFTYPE_MESH_POINT:
1759         case NL80211_IFTYPE_P2P_CLIENT:
1760                 break;
1761         case NL80211_IFTYPE_P2P_GO:
1762                 if (sdata->local->ops->hw_scan)
1763                         break;
1764                 /*
1765                  * FIXME: implement NoA while scanning in software,
1766                  * for now fall through to allow scanning only when
1767                  * beaconing hasn't been configured yet
1768                  */
1769         case NL80211_IFTYPE_AP:
1770                 if (sdata->u.ap.beacon)
1771                         return -EOPNOTSUPP;
1772                 break;
1773         default:
1774                 return -EOPNOTSUPP;
1775         }
1776
1777         return ieee80211_request_scan(sdata, req);
1778 }
1779
1780 static int
1781 ieee80211_sched_scan_start(struct wiphy *wiphy,
1782                            struct net_device *dev,
1783                            struct cfg80211_sched_scan_request *req)
1784 {
1785         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1786
1787         if (!sdata->local->ops->sched_scan_start)
1788                 return -EOPNOTSUPP;
1789
1790         return ieee80211_request_sched_scan_start(sdata, req);
1791 }
1792
1793 static int
1794 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
1795 {
1796         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797
1798         if (!sdata->local->ops->sched_scan_stop)
1799                 return -EOPNOTSUPP;
1800
1801         return ieee80211_request_sched_scan_stop(sdata);
1802 }
1803
1804 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1805                           struct cfg80211_auth_request *req)
1806 {
1807         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1808 }
1809
1810 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1811                            struct cfg80211_assoc_request *req)
1812 {
1813         struct ieee80211_local *local = wiphy_priv(wiphy);
1814         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1815
1816         switch (ieee80211_get_channel_mode(local, sdata)) {
1817         case CHAN_MODE_HOPPING:
1818                 return -EBUSY;
1819         case CHAN_MODE_FIXED:
1820                 if (local->oper_channel == req->bss->channel)
1821                         break;
1822                 return -EBUSY;
1823         case CHAN_MODE_UNDEFINED:
1824                 break;
1825         }
1826
1827         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1828 }
1829
1830 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1831                             struct cfg80211_deauth_request *req)
1832 {
1833         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1834 }
1835
1836 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1837                               struct cfg80211_disassoc_request *req)
1838 {
1839         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1840 }
1841
1842 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1843                                struct cfg80211_ibss_params *params)
1844 {
1845         struct ieee80211_local *local = wiphy_priv(wiphy);
1846         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1847
1848         switch (ieee80211_get_channel_mode(local, sdata)) {
1849         case CHAN_MODE_HOPPING:
1850                 return -EBUSY;
1851         case CHAN_MODE_FIXED:
1852                 if (!params->channel_fixed)
1853                         return -EBUSY;
1854                 if (local->oper_channel == params->channel)
1855                         break;
1856                 return -EBUSY;
1857         case CHAN_MODE_UNDEFINED:
1858                 break;
1859         }
1860
1861         return ieee80211_ibss_join(sdata, params);
1862 }
1863
1864 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1865 {
1866         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1867
1868         return ieee80211_ibss_leave(sdata);
1869 }
1870
1871 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1872 {
1873         struct ieee80211_local *local = wiphy_priv(wiphy);
1874         int err;
1875
1876         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1877                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1878
1879                 if (err)
1880                         return err;
1881         }
1882
1883         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1884                 err = drv_set_coverage_class(local, wiphy->coverage_class);
1885
1886                 if (err)
1887                         return err;
1888         }
1889
1890         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1891                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1892
1893                 if (err)
1894                         return err;
1895         }
1896
1897         if (changed & WIPHY_PARAM_RETRY_SHORT)
1898                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1899         if (changed & WIPHY_PARAM_RETRY_LONG)
1900                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1901         if (changed &
1902             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1903                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1904
1905         return 0;
1906 }
1907
1908 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1909                                   enum nl80211_tx_power_setting type, int mbm)
1910 {
1911         struct ieee80211_local *local = wiphy_priv(wiphy);
1912         struct ieee80211_channel *chan = local->hw.conf.channel;
1913         u32 changes = 0;
1914
1915         switch (type) {
1916         case NL80211_TX_POWER_AUTOMATIC:
1917                 local->user_power_level = -1;
1918                 break;
1919         case NL80211_TX_POWER_LIMITED:
1920                 if (mbm < 0 || (mbm % 100))
1921                         return -EOPNOTSUPP;
1922                 local->user_power_level = MBM_TO_DBM(mbm);
1923                 break;
1924         case NL80211_TX_POWER_FIXED:
1925                 if (mbm < 0 || (mbm % 100))
1926                         return -EOPNOTSUPP;
1927                 /* TODO: move to cfg80211 when it knows the channel */
1928                 if (MBM_TO_DBM(mbm) > chan->max_power)
1929                         return -EINVAL;
1930                 local->user_power_level = MBM_TO_DBM(mbm);
1931                 break;
1932         }
1933
1934         ieee80211_hw_config(local, changes);
1935
1936         return 0;
1937 }
1938
1939 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1940 {
1941         struct ieee80211_local *local = wiphy_priv(wiphy);
1942
1943         *dbm = local->hw.conf.power_level;
1944
1945         return 0;
1946 }
1947
1948 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1949                                   const u8 *addr)
1950 {
1951         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1952
1953         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1954
1955         return 0;
1956 }
1957
1958 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1959 {
1960         struct ieee80211_local *local = wiphy_priv(wiphy);
1961
1962         drv_rfkill_poll(local);
1963 }
1964
1965 #ifdef CONFIG_NL80211_TESTMODE
1966 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1967 {
1968         struct ieee80211_local *local = wiphy_priv(wiphy);
1969
1970         if (!local->ops->testmode_cmd)
1971                 return -EOPNOTSUPP;
1972
1973         return local->ops->testmode_cmd(&local->hw, data, len);
1974 }
1975
1976 static int ieee80211_testmode_dump(struct wiphy *wiphy,
1977                                    struct sk_buff *skb,
1978                                    struct netlink_callback *cb,
1979                                    void *data, int len)
1980 {
1981         struct ieee80211_local *local = wiphy_priv(wiphy);
1982
1983         if (!local->ops->testmode_dump)
1984                 return -EOPNOTSUPP;
1985
1986         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
1987 }
1988 #endif
1989
1990 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1991                              enum ieee80211_smps_mode smps_mode)
1992 {
1993         const u8 *ap;
1994         enum ieee80211_smps_mode old_req;
1995         int err;
1996
1997         lockdep_assert_held(&sdata->u.mgd.mtx);
1998
1999         old_req = sdata->u.mgd.req_smps;
2000         sdata->u.mgd.req_smps = smps_mode;
2001
2002         if (old_req == smps_mode &&
2003             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2004                 return 0;
2005
2006         /*
2007          * If not associated, or current association is not an HT
2008          * association, there's no need to send an action frame.
2009          */
2010         if (!sdata->u.mgd.associated ||
2011             sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
2012                 mutex_lock(&sdata->local->iflist_mtx);
2013                 ieee80211_recalc_smps(sdata->local);
2014                 mutex_unlock(&sdata->local->iflist_mtx);
2015                 return 0;
2016         }
2017
2018         ap = sdata->u.mgd.associated->bssid;
2019
2020         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2021                 if (sdata->u.mgd.powersave)
2022                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2023                 else
2024                         smps_mode = IEEE80211_SMPS_OFF;
2025         }
2026
2027         /* send SM PS frame to AP */
2028         err = ieee80211_send_smps_action(sdata, smps_mode,
2029                                          ap, ap);
2030         if (err)
2031                 sdata->u.mgd.req_smps = old_req;
2032
2033         return err;
2034 }
2035
2036 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2037                                     bool enabled, int timeout)
2038 {
2039         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2040         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2041
2042         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2043                 return -EOPNOTSUPP;
2044
2045         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
2046                 return -EOPNOTSUPP;
2047
2048         if (enabled == sdata->u.mgd.powersave &&
2049             timeout == local->dynamic_ps_forced_timeout)
2050                 return 0;
2051
2052         sdata->u.mgd.powersave = enabled;
2053         local->dynamic_ps_forced_timeout = timeout;
2054
2055         /* no change, but if automatic follow powersave */
2056         mutex_lock(&sdata->u.mgd.mtx);
2057         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
2058         mutex_unlock(&sdata->u.mgd.mtx);
2059
2060         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
2061                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2062
2063         ieee80211_recalc_ps(local, -1);
2064
2065         return 0;
2066 }
2067
2068 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2069                                          struct net_device *dev,
2070                                          s32 rssi_thold, u32 rssi_hyst)
2071 {
2072         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2073         struct ieee80211_vif *vif = &sdata->vif;
2074         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2075
2076         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2077             rssi_hyst == bss_conf->cqm_rssi_hyst)
2078                 return 0;
2079
2080         bss_conf->cqm_rssi_thold = rssi_thold;
2081         bss_conf->cqm_rssi_hyst = rssi_hyst;
2082
2083         /* tell the driver upon association, unless already associated */
2084         if (sdata->u.mgd.associated &&
2085             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2086                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2087
2088         return 0;
2089 }
2090
2091 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2092                                       struct net_device *dev,
2093                                       const u8 *addr,
2094                                       const struct cfg80211_bitrate_mask *mask)
2095 {
2096         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2097         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2098         int i, ret;
2099
2100         if (!ieee80211_sdata_running(sdata))
2101                 return -ENETDOWN;
2102
2103         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) {
2104                 ret = drv_set_bitrate_mask(local, sdata, mask);
2105                 if (ret)
2106                         return ret;
2107         }
2108
2109         for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
2110                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2111                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs,
2112                        sizeof(mask->control[i].mcs));
2113         }
2114
2115         return 0;
2116 }
2117
2118 static int ieee80211_start_roc_work(struct ieee80211_local *local,
2119                                     struct ieee80211_sub_if_data *sdata,
2120                                     struct ieee80211_channel *channel,
2121                                     enum nl80211_channel_type channel_type,
2122                                     unsigned int duration, u64 *cookie,
2123                                     struct sk_buff *txskb)
2124 {
2125         struct ieee80211_roc_work *roc, *tmp;
2126         bool queued = false;
2127         int ret;
2128
2129         lockdep_assert_held(&local->mtx);
2130
2131         roc = kzalloc(sizeof(*roc), GFP_KERNEL);
2132         if (!roc)
2133                 return -ENOMEM;
2134
2135         roc->chan = channel;
2136         roc->chan_type = channel_type;
2137         roc->duration = duration;
2138         roc->req_duration = duration;
2139         roc->frame = txskb;
2140         roc->mgmt_tx_cookie = (unsigned long)txskb;
2141         roc->sdata = sdata;
2142         INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work);
2143         INIT_LIST_HEAD(&roc->dependents);
2144
2145         /* if there's one pending or we're scanning, queue this one */
2146         if (!list_empty(&local->roc_list) || local->scanning)
2147                 goto out_check_combine;
2148
2149         /* if not HW assist, just queue & schedule work */
2150         if (!local->ops->remain_on_channel) {
2151                 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0);
2152                 goto out_queue;
2153         }
2154
2155         /* otherwise actually kick it off here (for error handling) */
2156
2157         /*
2158          * If the duration is zero, then the driver
2159          * wouldn't actually do anything. Set it to
2160          * 10 for now.
2161          *
2162          * TODO: cancel the off-channel operation
2163          *       when we get the SKB's TX status and
2164          *       the wait time was zero before.
2165          */
2166         if (!duration)
2167                 duration = 10;
2168
2169         ret = drv_remain_on_channel(local, channel, channel_type, duration);
2170         if (ret) {
2171                 kfree(roc);
2172                 return ret;
2173         }
2174
2175         roc->started = true;
2176         goto out_queue;
2177
2178  out_check_combine:
2179         list_for_each_entry(tmp, &local->roc_list, list) {
2180                 if (tmp->chan != channel || tmp->chan_type != channel_type)
2181                         continue;
2182
2183                 /*
2184                  * Extend this ROC if possible:
2185                  *
2186                  * If it hasn't started yet, just increase the duration
2187                  * and add the new one to the list of dependents.
2188                  */
2189                 if (!tmp->started) {
2190                         list_add_tail(&roc->list, &tmp->dependents);
2191                         tmp->duration = max(tmp->duration, roc->duration);
2192                         queued = true;
2193                         break;
2194                 }
2195
2196                 /* If it has already started, it's more difficult ... */
2197                 if (local->ops->remain_on_channel) {
2198                         unsigned long j = jiffies;
2199
2200                         /*
2201                          * In the offloaded ROC case, if it hasn't begun, add
2202                          * this new one to the dependent list to be handled
2203                          * when the the master one begins. If it has begun,
2204                          * check that there's still a minimum time left and
2205                          * if so, start this one, transmitting the frame, but
2206                          * add it to the list directly after this one with a
2207                          * a reduced time so we'll ask the driver to execute
2208                          * it right after finishing the previous one, in the
2209                          * hope that it'll also be executed right afterwards,
2210                          * effectively extending the old one.
2211                          * If there's no minimum time left, just add it to the
2212                          * normal list.
2213                          */
2214                         if (!tmp->hw_begun) {
2215                                 list_add_tail(&roc->list, &tmp->dependents);
2216                                 queued = true;
2217                                 break;
2218                         }
2219
2220                         if (time_before(j + IEEE80211_ROC_MIN_LEFT,
2221                                         tmp->hw_start_time +
2222                                         msecs_to_jiffies(tmp->duration))) {
2223                                 int new_dur;
2224
2225                                 ieee80211_handle_roc_started(roc);
2226
2227                                 new_dur = roc->duration -
2228                                           jiffies_to_msecs(tmp->hw_start_time +
2229                                                            msecs_to_jiffies(
2230                                                                 tmp->duration) -
2231                                                            j);
2232
2233                                 if (new_dur > 0) {
2234                                         /* add right after tmp */
2235                                         list_add(&roc->list, &tmp->list);
2236                                 } else {
2237                                         list_add_tail(&roc->list,
2238                                                       &tmp->dependents);
2239                                 }
2240                                 queued = true;
2241                         }
2242                 } else if (del_timer_sync(&tmp->work.timer)) {
2243                         unsigned long new_end;
2244
2245                         /*
2246                          * In the software ROC case, cancel the timer, if
2247                          * that fails then the finish work is already
2248                          * queued/pending and thus we queue the new ROC
2249                          * normally, if that succeeds then we can extend
2250                          * the timer duration and TX the frame (if any.)
2251                          */
2252
2253                         list_add_tail(&roc->list, &tmp->dependents);
2254                         queued = true;
2255
2256                         new_end = jiffies + msecs_to_jiffies(roc->duration);
2257
2258                         /* ok, it was started & we canceled timer */
2259                         if (time_after(new_end, tmp->work.timer.expires))
2260                                 mod_timer(&tmp->work.timer, new_end);
2261                         else
2262                                 add_timer(&tmp->work.timer);
2263
2264                         ieee80211_handle_roc_started(roc);
2265                 }
2266                 break;
2267         }
2268
2269  out_queue:
2270         if (!queued)
2271                 list_add_tail(&roc->list, &local->roc_list);
2272
2273         /*
2274          * cookie is either the roc (for normal roc)
2275          * or the SKB (for mgmt TX)
2276          */
2277         if (txskb)
2278                 *cookie = (unsigned long)txskb;
2279         else
2280                 *cookie = (unsigned long)roc;
2281
2282         return 0;
2283 }
2284
2285 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
2286                                        struct net_device *dev,
2287                                        struct ieee80211_channel *chan,
2288                                        enum nl80211_channel_type channel_type,
2289                                        unsigned int duration,
2290                                        u64 *cookie)
2291 {
2292         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2293         struct ieee80211_local *local = sdata->local;
2294         int ret;
2295
2296         mutex_lock(&local->mtx);
2297         ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2298                                        duration, cookie, NULL);
2299         mutex_unlock(&local->mtx);
2300
2301         return ret;
2302 }
2303
2304 static int ieee80211_cancel_roc(struct ieee80211_local *local,
2305                                 u64 cookie, bool mgmt_tx)
2306 {
2307         struct ieee80211_roc_work *roc, *tmp, *found = NULL;
2308         int ret;
2309
2310         mutex_lock(&local->mtx);
2311         list_for_each_entry_safe(roc, tmp, &local->roc_list, list) {
2312                 if (!mgmt_tx && (unsigned long)roc != cookie)
2313                         continue;
2314                 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie)
2315                         continue;
2316
2317                 found = roc;
2318                 break;
2319         }
2320
2321         if (!found) {
2322                 mutex_unlock(&local->mtx);
2323                 return -ENOENT;
2324         }
2325
2326         if (local->ops->remain_on_channel) {
2327                 if (found->started) {
2328                         ret = drv_cancel_remain_on_channel(local);
2329                         if (WARN_ON_ONCE(ret)) {
2330                                 mutex_unlock(&local->mtx);
2331                                 return ret;
2332                         }
2333                 }
2334
2335                 list_del(&found->list);
2336
2337                 ieee80211_run_deferred_scan(local);
2338                 ieee80211_start_next_roc(local);
2339                 mutex_unlock(&local->mtx);
2340
2341                 ieee80211_roc_notify_destroy(found);
2342         } else {
2343                 /* work may be pending so use it all the time */
2344                 found->abort = true;
2345                 ieee80211_queue_delayed_work(&local->hw, &found->work, 0);
2346
2347                 mutex_unlock(&local->mtx);
2348
2349                 /* work will clean up etc */
2350                 flush_delayed_work(&found->work);
2351         }
2352
2353         return 0;
2354 }
2355
2356 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
2357                                               struct net_device *dev,
2358                                               u64 cookie)
2359 {
2360         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2361         struct ieee80211_local *local = sdata->local;
2362
2363         return ieee80211_cancel_roc(local, cookie, false);
2364 }
2365
2366 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
2367                              struct ieee80211_channel *chan, bool offchan,
2368                              enum nl80211_channel_type channel_type,
2369                              bool channel_type_valid, unsigned int wait,
2370                              const u8 *buf, size_t len, bool no_cck,
2371                              bool dont_wait_for_ack, u64 *cookie)
2372 {
2373         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2374         struct ieee80211_local *local = sdata->local;
2375         struct sk_buff *skb;
2376         struct sta_info *sta;
2377         const struct ieee80211_mgmt *mgmt = (void *)buf;
2378         bool need_offchan = false;
2379         u32 flags;
2380         int ret;
2381
2382         if (dont_wait_for_ack)
2383                 flags = IEEE80211_TX_CTL_NO_ACK;
2384         else
2385                 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
2386                         IEEE80211_TX_CTL_REQ_TX_STATUS;
2387
2388         if (no_cck)
2389                 flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
2390
2391         switch (sdata->vif.type) {
2392         case NL80211_IFTYPE_ADHOC:
2393                 if (!sdata->vif.bss_conf.ibss_joined)
2394                         need_offchan = true;
2395                 /* fall through */
2396 #ifdef CONFIG_MAC80211_MESH
2397         case NL80211_IFTYPE_MESH_POINT:
2398                 if (ieee80211_vif_is_mesh(&sdata->vif) &&
2399                     !sdata->u.mesh.mesh_id_len)
2400                         need_offchan = true;
2401                 /* fall through */
2402 #endif
2403         case NL80211_IFTYPE_AP:
2404         case NL80211_IFTYPE_AP_VLAN:
2405         case NL80211_IFTYPE_P2P_GO:
2406                 if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
2407                     !ieee80211_vif_is_mesh(&sdata->vif) &&
2408                     !rcu_access_pointer(sdata->bss->beacon))
2409                         need_offchan = true;
2410                 if (!ieee80211_is_action(mgmt->frame_control) ||
2411                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
2412                         break;
2413                 rcu_read_lock();
2414                 sta = sta_info_get(sdata, mgmt->da);
2415                 rcu_read_unlock();
2416                 if (!sta)
2417                         return -ENOLINK;
2418                 break;
2419         case NL80211_IFTYPE_STATION:
2420         case NL80211_IFTYPE_P2P_CLIENT:
2421                 if (!sdata->u.mgd.associated)
2422                         need_offchan = true;
2423                 break;
2424         default:
2425                 return -EOPNOTSUPP;
2426         }
2427
2428         mutex_lock(&local->mtx);
2429
2430         /* Check if the operating channel is the requested channel */
2431         if (!need_offchan) {
2432                 need_offchan = chan != local->oper_channel;
2433                 if (channel_type_valid &&
2434                     channel_type != local->_oper_channel_type)
2435                         need_offchan = true;
2436         }
2437
2438         if (need_offchan && !offchan) {
2439                 ret = -EBUSY;
2440                 goto out_unlock;
2441         }
2442
2443         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
2444         if (!skb) {
2445                 ret = -ENOMEM;
2446                 goto out_unlock;
2447         }
2448         skb_reserve(skb, local->hw.extra_tx_headroom);
2449
2450         memcpy(skb_put(skb, len), buf, len);
2451
2452         IEEE80211_SKB_CB(skb)->flags = flags;
2453
2454         skb->dev = sdata->dev;
2455
2456         if (!need_offchan) {
2457                 ieee80211_tx_skb(sdata, skb);
2458                 ret = 0;
2459                 goto out_unlock;
2460         }
2461
2462         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN;
2463         if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL)
2464                 IEEE80211_SKB_CB(skb)->hw_queue =
2465                         local->hw.offchannel_tx_hw_queue;
2466
2467         /* This will handle all kinds of coalescing and immediate TX */
2468         ret = ieee80211_start_roc_work(local, sdata, chan, channel_type,
2469                                        wait, cookie, skb);
2470         if (ret)
2471                 kfree_skb(skb);
2472  out_unlock:
2473         mutex_unlock(&local->mtx);
2474         return ret;
2475 }
2476
2477 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
2478                                          struct net_device *dev,
2479                                          u64 cookie)
2480 {
2481         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2482         struct ieee80211_local *local = sdata->local;
2483
2484         return ieee80211_cancel_roc(local, cookie, true);
2485 }
2486
2487 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
2488                                           struct net_device *dev,
2489                                           u16 frame_type, bool reg)
2490 {
2491         struct ieee80211_local *local = wiphy_priv(wiphy);
2492
2493         if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
2494                 return;
2495
2496         if (reg)
2497                 local->probe_req_reg++;
2498         else
2499                 local->probe_req_reg--;
2500
2501         ieee80211_queue_work(&local->hw, &local->reconfig_filter);
2502 }
2503
2504 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
2505 {
2506         struct ieee80211_local *local = wiphy_priv(wiphy);
2507
2508         if (local->started)
2509                 return -EOPNOTSUPP;
2510
2511         return drv_set_antenna(local, tx_ant, rx_ant);
2512 }
2513
2514 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
2515 {
2516         struct ieee80211_local *local = wiphy_priv(wiphy);
2517
2518         return drv_get_antenna(local, tx_ant, rx_ant);
2519 }
2520
2521 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
2522 {
2523         struct ieee80211_local *local = wiphy_priv(wiphy);
2524
2525         return drv_set_ringparam(local, tx, rx);
2526 }
2527
2528 static void ieee80211_get_ringparam(struct wiphy *wiphy,
2529                                     u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
2530 {
2531         struct ieee80211_local *local = wiphy_priv(wiphy);
2532
2533         drv_get_ringparam(local, tx, tx_max, rx, rx_max);
2534 }
2535
2536 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
2537                                     struct net_device *dev,
2538                                     struct cfg80211_gtk_rekey_data *data)
2539 {
2540         struct ieee80211_local *local = wiphy_priv(wiphy);
2541         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2542
2543         if (!local->ops->set_rekey_data)
2544                 return -EOPNOTSUPP;
2545
2546         drv_set_rekey_data(local, sdata, data);
2547
2548         return 0;
2549 }
2550
2551 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
2552 {
2553         u8 *pos = (void *)skb_put(skb, 7);
2554
2555         *pos++ = WLAN_EID_EXT_CAPABILITY;
2556         *pos++ = 5; /* len */
2557         *pos++ = 0x0;
2558         *pos++ = 0x0;
2559         *pos++ = 0x0;
2560         *pos++ = 0x0;
2561         *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
2562 }
2563
2564 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata)
2565 {
2566         struct ieee80211_local *local = sdata->local;
2567         u16 capab;
2568
2569         capab = 0;
2570         if (local->oper_channel->band != IEEE80211_BAND_2GHZ)
2571                 return capab;
2572
2573         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
2574                 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
2575         if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
2576                 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
2577
2578         return capab;
2579 }
2580
2581 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr,
2582                                        u8 *peer, u8 *bssid)
2583 {
2584         struct ieee80211_tdls_lnkie *lnkid;
2585
2586         lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie));
2587
2588         lnkid->ie_type = WLAN_EID_LINK_ID;
2589         lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2;
2590
2591         memcpy(lnkid->bssid, bssid, ETH_ALEN);
2592         memcpy(lnkid->init_sta, src_addr, ETH_ALEN);
2593         memcpy(lnkid->resp_sta, peer, ETH_ALEN);
2594 }
2595
2596 static int
2597 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev,
2598                                u8 *peer, u8 action_code, u8 dialog_token,
2599                                u16 status_code, struct sk_buff *skb)
2600 {
2601         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2602         struct ieee80211_tdls_data *tf;
2603
2604         tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
2605
2606         memcpy(tf->da, peer, ETH_ALEN);
2607         memcpy(tf->sa, sdata->vif.addr, ETH_ALEN);
2608         tf->ether_type = cpu_to_be16(ETH_P_TDLS);
2609         tf->payload_type = WLAN_TDLS_SNAP_RFTYPE;
2610
2611         switch (action_code) {
2612         case WLAN_TDLS_SETUP_REQUEST:
2613                 tf->category = WLAN_CATEGORY_TDLS;
2614                 tf->action_code = WLAN_TDLS_SETUP_REQUEST;
2615
2616                 skb_put(skb, sizeof(tf->u.setup_req));
2617                 tf->u.setup_req.dialog_token = dialog_token;
2618                 tf->u.setup_req.capability =
2619                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2620
2621                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2622                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2623                 ieee80211_tdls_add_ext_capab(skb);
2624                 break;
2625         case WLAN_TDLS_SETUP_RESPONSE:
2626                 tf->category = WLAN_CATEGORY_TDLS;
2627                 tf->action_code = WLAN_TDLS_SETUP_RESPONSE;
2628
2629                 skb_put(skb, sizeof(tf->u.setup_resp));
2630                 tf->u.setup_resp.status_code = cpu_to_le16(status_code);
2631                 tf->u.setup_resp.dialog_token = dialog_token;
2632                 tf->u.setup_resp.capability =
2633                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2634
2635                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2636                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2637                 ieee80211_tdls_add_ext_capab(skb);
2638                 break;
2639         case WLAN_TDLS_SETUP_CONFIRM:
2640                 tf->category = WLAN_CATEGORY_TDLS;
2641                 tf->action_code = WLAN_TDLS_SETUP_CONFIRM;
2642
2643                 skb_put(skb, sizeof(tf->u.setup_cfm));
2644                 tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
2645                 tf->u.setup_cfm.dialog_token = dialog_token;
2646                 break;
2647         case WLAN_TDLS_TEARDOWN:
2648                 tf->category = WLAN_CATEGORY_TDLS;
2649                 tf->action_code = WLAN_TDLS_TEARDOWN;
2650
2651                 skb_put(skb, sizeof(tf->u.teardown));
2652                 tf->u.teardown.reason_code = cpu_to_le16(status_code);
2653                 break;
2654         case WLAN_TDLS_DISCOVERY_REQUEST:
2655                 tf->category = WLAN_CATEGORY_TDLS;
2656                 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST;
2657
2658                 skb_put(skb, sizeof(tf->u.discover_req));
2659                 tf->u.discover_req.dialog_token = dialog_token;
2660                 break;
2661         default:
2662                 return -EINVAL;
2663         }
2664
2665         return 0;
2666 }
2667
2668 static int
2669 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev,
2670                            u8 *peer, u8 action_code, u8 dialog_token,
2671                            u16 status_code, struct sk_buff *skb)
2672 {
2673         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2674         struct ieee80211_mgmt *mgmt;
2675
2676         mgmt = (void *)skb_put(skb, 24);
2677         memset(mgmt, 0, 24);
2678         memcpy(mgmt->da, peer, ETH_ALEN);
2679         memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
2680         memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
2681
2682         mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
2683                                           IEEE80211_STYPE_ACTION);
2684
2685         switch (action_code) {
2686         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2687                 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp));
2688                 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC;
2689                 mgmt->u.action.u.tdls_discover_resp.action_code =
2690                         WLAN_PUB_ACTION_TDLS_DISCOVER_RES;
2691                 mgmt->u.action.u.tdls_discover_resp.dialog_token =
2692                         dialog_token;
2693                 mgmt->u.action.u.tdls_discover_resp.capability =
2694                         cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
2695
2696                 ieee80211_add_srates_ie(&sdata->vif, skb, false);
2697                 ieee80211_add_ext_srates_ie(&sdata->vif, skb, false);
2698                 ieee80211_tdls_add_ext_capab(skb);
2699                 break;
2700         default:
2701                 return -EINVAL;
2702         }
2703
2704         return 0;
2705 }
2706
2707 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2708                                u8 *peer, u8 action_code, u8 dialog_token,
2709                                u16 status_code, const u8 *extra_ies,
2710                                size_t extra_ies_len)
2711 {
2712         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2713         struct ieee80211_local *local = sdata->local;
2714         struct ieee80211_tx_info *info;
2715         struct sk_buff *skb = NULL;
2716         bool send_direct;
2717         int ret;
2718
2719         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2720                 return -ENOTSUPP;
2721
2722         /* make sure we are in managed mode, and associated */
2723         if (sdata->vif.type != NL80211_IFTYPE_STATION ||
2724             !sdata->u.mgd.associated)
2725                 return -EINVAL;
2726
2727 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2728         pr_debug("TDLS mgmt action %d peer %pM\n", action_code, peer);
2729 #endif
2730
2731         skb = dev_alloc_skb(local->hw.extra_tx_headroom +
2732                             max(sizeof(struct ieee80211_mgmt),
2733                                 sizeof(struct ieee80211_tdls_data)) +
2734                             50 + /* supported rates */
2735                             7 + /* ext capab */
2736                             extra_ies_len +
2737                             sizeof(struct ieee80211_tdls_lnkie));
2738         if (!skb)
2739                 return -ENOMEM;
2740
2741         info = IEEE80211_SKB_CB(skb);
2742         skb_reserve(skb, local->hw.extra_tx_headroom);
2743
2744         switch (action_code) {
2745         case WLAN_TDLS_SETUP_REQUEST:
2746         case WLAN_TDLS_SETUP_RESPONSE:
2747         case WLAN_TDLS_SETUP_CONFIRM:
2748         case WLAN_TDLS_TEARDOWN:
2749         case WLAN_TDLS_DISCOVERY_REQUEST:
2750                 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer,
2751                                                      action_code, dialog_token,
2752                                                      status_code, skb);
2753                 send_direct = false;
2754                 break;
2755         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2756                 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code,
2757                                                  dialog_token, status_code,
2758                                                  skb);
2759                 send_direct = true;
2760                 break;
2761         default:
2762                 ret = -ENOTSUPP;
2763                 break;
2764         }
2765
2766         if (ret < 0)
2767                 goto fail;
2768
2769         if (extra_ies_len)
2770                 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len);
2771
2772         /* the TDLS link IE is always added last */
2773         switch (action_code) {
2774         case WLAN_TDLS_SETUP_REQUEST:
2775         case WLAN_TDLS_SETUP_CONFIRM:
2776         case WLAN_TDLS_TEARDOWN:
2777         case WLAN_TDLS_DISCOVERY_REQUEST:
2778                 /* we are the initiator */
2779                 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer,
2780                                            sdata->u.mgd.bssid);
2781                 break;
2782         case WLAN_TDLS_SETUP_RESPONSE:
2783         case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2784                 /* we are the responder */
2785                 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr,
2786                                            sdata->u.mgd.bssid);
2787                 break;
2788         default:
2789                 ret = -ENOTSUPP;
2790                 goto fail;
2791         }
2792
2793         if (send_direct) {
2794                 ieee80211_tx_skb(sdata, skb);
2795                 return 0;
2796         }
2797
2798         /*
2799          * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise
2800          * we should default to AC_VI.
2801          */
2802         switch (action_code) {
2803         case WLAN_TDLS_SETUP_REQUEST:
2804         case WLAN_TDLS_SETUP_RESPONSE:
2805                 skb_set_queue_mapping(skb, IEEE80211_AC_BK);
2806                 skb->priority = 2;
2807                 break;
2808         default:
2809                 skb_set_queue_mapping(skb, IEEE80211_AC_VI);
2810                 skb->priority = 5;
2811                 break;
2812         }
2813
2814         /* disable bottom halves when entering the Tx path */
2815         local_bh_disable();
2816         ret = ieee80211_subif_start_xmit(skb, dev);
2817         local_bh_enable();
2818
2819         return ret;
2820
2821 fail:
2822         dev_kfree_skb(skb);
2823         return ret;
2824 }
2825
2826 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2827                                u8 *peer, enum nl80211_tdls_operation oper)
2828 {
2829         struct sta_info *sta;
2830         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2831
2832         if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2833                 return -ENOTSUPP;
2834
2835         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2836                 return -EINVAL;
2837
2838 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG
2839         pr_debug("TDLS oper %d peer %pM\n", oper, peer);
2840 #endif
2841
2842         switch (oper) {
2843         case NL80211_TDLS_ENABLE_LINK:
2844                 rcu_read_lock();
2845                 sta = sta_info_get(sdata, peer);
2846                 if (!sta) {
2847                         rcu_read_unlock();
2848                         return -ENOLINK;
2849                 }
2850
2851                 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH);
2852                 rcu_read_unlock();
2853                 break;
2854         case NL80211_TDLS_DISABLE_LINK:
2855                 return sta_info_destroy_addr(sdata, peer);
2856         case NL80211_TDLS_TEARDOWN:
2857         case NL80211_TDLS_SETUP:
2858         case NL80211_TDLS_DISCOVERY_REQ:
2859                 /* We don't support in-driver setup/teardown/discovery */
2860                 return -ENOTSUPP;
2861         default:
2862                 return -ENOTSUPP;
2863         }
2864
2865         return 0;
2866 }
2867
2868 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
2869                                   const u8 *peer, u64 *cookie)
2870 {
2871         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2872         struct ieee80211_local *local = sdata->local;
2873         struct ieee80211_qos_hdr *nullfunc;
2874         struct sk_buff *skb;
2875         int size = sizeof(*nullfunc);
2876         __le16 fc;
2877         bool qos;
2878         struct ieee80211_tx_info *info;
2879         struct sta_info *sta;
2880
2881         rcu_read_lock();
2882         sta = sta_info_get(sdata, peer);
2883         if (sta) {
2884                 qos = test_sta_flag(sta, WLAN_STA_WME);
2885                 rcu_read_unlock();
2886         } else {
2887                 rcu_read_unlock();
2888                 return -ENOLINK;
2889         }
2890
2891         if (qos) {
2892                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2893                                  IEEE80211_STYPE_QOS_NULLFUNC |
2894                                  IEEE80211_FCTL_FROMDS);
2895         } else {
2896                 size -= 2;
2897                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
2898                                  IEEE80211_STYPE_NULLFUNC |
2899                                  IEEE80211_FCTL_FROMDS);
2900         }
2901
2902         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
2903         if (!skb)
2904                 return -ENOMEM;
2905
2906         skb->dev = dev;
2907
2908         skb_reserve(skb, local->hw.extra_tx_headroom);
2909
2910         nullfunc = (void *) skb_put(skb, size);
2911         nullfunc->frame_control = fc;
2912         nullfunc->duration_id = 0;
2913         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
2914         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
2915         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
2916         nullfunc->seq_ctrl = 0;
2917
2918         info = IEEE80211_SKB_CB(skb);
2919
2920         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
2921                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
2922
2923         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
2924         skb->priority = 7;
2925         if (qos)
2926                 nullfunc->qos_ctrl = cpu_to_le16(7);
2927
2928         local_bh_disable();
2929         ieee80211_xmit(sdata, skb);
2930         local_bh_enable();
2931
2932         *cookie = (unsigned long) skb;
2933         return 0;
2934 }
2935
2936 static struct ieee80211_channel *
2937 ieee80211_wiphy_get_channel(struct wiphy *wiphy,
2938                             enum nl80211_channel_type *type)
2939 {
2940         struct ieee80211_local *local = wiphy_priv(wiphy);
2941
2942         *type = local->_oper_channel_type;
2943         return local->oper_channel;
2944 }
2945
2946 #ifdef CONFIG_PM
2947 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
2948 {
2949         drv_set_wakeup(wiphy_priv(wiphy), enabled);
2950 }
2951 #endif
2952
2953 struct cfg80211_ops mac80211_config_ops = {
2954         .add_virtual_intf = ieee80211_add_iface,
2955         .del_virtual_intf = ieee80211_del_iface,
2956         .change_virtual_intf = ieee80211_change_iface,
2957         .add_key = ieee80211_add_key,
2958         .del_key = ieee80211_del_key,
2959         .get_key = ieee80211_get_key,
2960         .set_default_key = ieee80211_config_default_key,
2961         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
2962         .start_ap = ieee80211_start_ap,
2963         .change_beacon = ieee80211_change_beacon,
2964         .stop_ap = ieee80211_stop_ap,
2965         .add_station = ieee80211_add_station,
2966         .del_station = ieee80211_del_station,
2967         .change_station = ieee80211_change_station,
2968         .get_station = ieee80211_get_station,
2969         .dump_station = ieee80211_dump_station,
2970         .dump_survey = ieee80211_dump_survey,
2971 #ifdef CONFIG_MAC80211_MESH
2972         .add_mpath = ieee80211_add_mpath,
2973         .del_mpath = ieee80211_del_mpath,
2974         .change_mpath = ieee80211_change_mpath,
2975         .get_mpath = ieee80211_get_mpath,
2976         .dump_mpath = ieee80211_dump_mpath,
2977         .update_mesh_config = ieee80211_update_mesh_config,
2978         .get_mesh_config = ieee80211_get_mesh_config,
2979         .join_mesh = ieee80211_join_mesh,
2980         .leave_mesh = ieee80211_leave_mesh,
2981 #endif
2982         .change_bss = ieee80211_change_bss,
2983         .set_txq_params = ieee80211_set_txq_params,
2984         .set_monitor_channel = ieee80211_set_monitor_channel,
2985         .suspend = ieee80211_suspend,
2986         .resume = ieee80211_resume,
2987         .scan = ieee80211_scan,
2988         .sched_scan_start = ieee80211_sched_scan_start,
2989         .sched_scan_stop = ieee80211_sched_scan_stop,
2990         .auth = ieee80211_auth,
2991         .assoc = ieee80211_assoc,
2992         .deauth = ieee80211_deauth,
2993         .disassoc = ieee80211_disassoc,
2994         .join_ibss = ieee80211_join_ibss,
2995         .leave_ibss = ieee80211_leave_ibss,
2996         .set_wiphy_params = ieee80211_set_wiphy_params,
2997         .set_tx_power = ieee80211_set_tx_power,
2998         .get_tx_power = ieee80211_get_tx_power,
2999         .set_wds_peer = ieee80211_set_wds_peer,
3000         .rfkill_poll = ieee80211_rfkill_poll,
3001         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3002         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3003         .set_power_mgmt = ieee80211_set_power_mgmt,
3004         .set_bitrate_mask = ieee80211_set_bitrate_mask,
3005         .remain_on_channel = ieee80211_remain_on_channel,
3006         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3007         .mgmt_tx = ieee80211_mgmt_tx,
3008         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3009         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3010         .mgmt_frame_register = ieee80211_mgmt_frame_register,
3011         .set_antenna = ieee80211_set_antenna,
3012         .get_antenna = ieee80211_get_antenna,
3013         .set_ringparam = ieee80211_set_ringparam,
3014         .get_ringparam = ieee80211_get_ringparam,
3015         .set_rekey_data = ieee80211_set_rekey_data,
3016         .tdls_oper = ieee80211_tdls_oper,
3017         .tdls_mgmt = ieee80211_tdls_mgmt,
3018         .probe_client = ieee80211_probe_client,
3019         .get_channel = ieee80211_wiphy_get_channel,
3020         .set_noack_map = ieee80211_set_noack_map,
3021 #ifdef CONFIG_PM
3022         .set_wakeup = ieee80211_set_wakeup,
3023 #endif
3024         .get_et_sset_count = ieee80211_get_et_sset_count,
3025         .get_et_stats = ieee80211_get_et_stats,
3026         .get_et_strings = ieee80211_get_et_strings,
3027 };