Pileus Git - ~andy/linux/blob - 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 <net/cfg80211.h>
  16 #include "ieee80211_i.h"
  17 #include "driver-ops.h"
  18 #include "cfg.h"
  19 #include "rate.h"
  20 #include "mesh.h"
  21
  22 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name,
  23                                               enum nl80211_iftype type,
  24                                               u32 *flags,
  25                                               struct vif_params *params)
  26 {
  27         struct ieee80211_local *local = wiphy_priv(wiphy);
  28         struct net_device *dev;
  29         struct ieee80211_sub_if_data *sdata;
  30         int err;
  31
  32         err = ieee80211_if_add(local, name, &dev, type, params);
  33         if (err)
  34                 return ERR_PTR(err);
  35
  36         if (type == NL80211_IFTYPE_MONITOR && flags) {
  37                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  38                 sdata->u.mntr_flags = *flags;
  39         }
  40
  41         return dev;
  42 }
  43
  44 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
  45 {
  46         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
  47
  48         return 0;
  49 }
  50
  51 static int ieee80211_change_iface(struct wiphy *wiphy,
  52                                   struct net_device *dev,
  53                                   enum nl80211_iftype type, u32 *flags,
  54                                   struct vif_params *params)
  55 {
  56         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  57         int ret;
  58
  59         ret = ieee80211_if_change_type(sdata, type);
  60         if (ret)
  61                 return ret;
  62
  63         if (type == NL80211_IFTYPE_AP_VLAN &&
  64             params && params->use_4addr == 0)
  65                 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
  66         else if (type == NL80211_IFTYPE_STATION &&
  67                  params && params->use_4addr >= 0)
  68                 sdata->u.mgd.use_4addr = params->use_4addr;
  69
  70         if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
  71                 struct ieee80211_local *local = sdata->local;
  72
  73                 if (ieee80211_sdata_running(sdata)) {
  74                         /*
  75                          * Prohibit MONITOR_FLAG_COOK_FRAMES to be
  76                          * changed while the interface is up.
  77                          * Else we would need to add a lot of cruft
  78                          * to update everything:
  79                          *      cooked_mntrs, monitor and all fif_* counters
  80                          *      reconfigure hardware
  81                          */
  82                         if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
  83                             (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
  84                                 return -EBUSY;
  85
  86                         ieee80211_adjust_monitor_flags(sdata, -1);
  87                         sdata->u.mntr_flags = *flags;
  88                         ieee80211_adjust_monitor_flags(sdata, 1);
  89
  90                         ieee80211_configure_filter(local);
  91                 } else {
  92                         /*
  93                          * Because the interface is down, ieee80211_do_stop
  94                          * and ieee80211_do_open take care of "everything"
  95                          * mentioned in the comment above.
  96                          */
  97                         sdata->u.mntr_flags = *flags;
  98                 }
  99         }
 100
 101         return 0;
 102 }
 103
 104 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 105                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 106                              struct key_params *params)
 107 {
 108         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 109         struct sta_info *sta = NULL;
 110         struct ieee80211_key *key;
 111         int err;
 112
 113         if (!ieee80211_sdata_running(sdata))
 114                 return -ENETDOWN;
 115
 116         /* reject WEP and TKIP keys if WEP failed to initialize */
 117         switch (params->cipher) {
 118         case WLAN_CIPHER_SUITE_WEP40:
 119         case WLAN_CIPHER_SUITE_TKIP:
 120         case WLAN_CIPHER_SUITE_WEP104:
 121                 if (IS_ERR(sdata->local->wep_tx_tfm))
 122                         return -EINVAL;
 123                 break;
 124         default:
 125                 break;
 126         }
 127
 128         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 129                                   params->key, params->seq_len, params->seq);
 130         if (IS_ERR(key))
 131                 return PTR_ERR(key);
 132
 133         if (pairwise)
 134                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 135
 136         mutex_lock(&sdata->local->sta_mtx);
 137
 138         if (mac_addr) {
 139                 sta = sta_info_get_bss(sdata, mac_addr);
 140                 if (!sta) {
 141                         ieee80211_key_free(sdata->local, key);
 142                         err = -ENOENT;
 143                         goto out_unlock;
 144                 }
 145         }
 146
 147         err = ieee80211_key_link(key, sdata, sta);
 148         if (err)
 149                 ieee80211_key_free(sdata->local, key);
 150
 151  out_unlock:
 152         mutex_unlock(&sdata->local->sta_mtx);
 153
 154         return err;
 155 }
 156
 157 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 158                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 159 {
 160         struct ieee80211_sub_if_data *sdata;
 161         struct sta_info *sta;
 162         int ret;
 163
 164         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 165
 166         mutex_lock(&sdata->local->sta_mtx);
 167
 168         if (mac_addr) {
 169                 ret = -ENOENT;
 170
 171                 sta = sta_info_get_bss(sdata, mac_addr);
 172                 if (!sta)
 173                         goto out_unlock;
 174
 175                 if (pairwise) {
 176                         if (sta->ptk) {
 177                                 ieee80211_key_free(sdata->local, sta->ptk);
 178                                 ret = 0;
 179                         }
 180                 } else {
 181                         if (sta->gtk[key_idx]) {
 182                                 ieee80211_key_free(sdata->local,
 183                                                    sta->gtk[key_idx]);
 184                                 ret = 0;
 185                         }
 186                 }
 187
 188                 goto out_unlock;
 189         }
 190
 191         if (!sdata->keys[key_idx]) {
 192                 ret = -ENOENT;
 193                 goto out_unlock;
 194         }
 195
 196         ieee80211_key_free(sdata->local, sdata->keys[key_idx]);
 197         WARN_ON(sdata->keys[key_idx]);
 198
 199         ret = 0;
 200  out_unlock:
 201         mutex_unlock(&sdata->local->sta_mtx);
 202
 203         return ret;
 204 }
 205
 206 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 207                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 208                              void *cookie,
 209                              void (*callback)(void *cookie,
 210                                               struct key_params *params))
 211 {
 212         struct ieee80211_sub_if_data *sdata;
 213         struct sta_info *sta = NULL;
 214         u8 seq[6] = {0};
 215         struct key_params params;
 216         struct ieee80211_key *key = NULL;
 217         u32 iv32;
 218         u16 iv16;
 219         int err = -ENOENT;
 220
 221         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 222
 223         rcu_read_lock();
 224
 225         if (mac_addr) {
 226                 sta = sta_info_get_bss(sdata, mac_addr);
 227                 if (!sta)
 228                         goto out;
 229
 230                 if (pairwise)
 231                         key = sta->ptk;
 232                 else if (key_idx < NUM_DEFAULT_KEYS)
 233                         key = sta->gtk[key_idx];
 234         } else
 235                 key = sdata->keys[key_idx];
 236
 237         if (!key)
 238                 goto out;
 239
 240         memset(&params, 0, sizeof(params));
 241
 242         params.cipher = key->conf.cipher;
 243
 244         switch (key->conf.cipher) {
 245         case WLAN_CIPHER_SUITE_TKIP:
 246                 iv32 = key->u.tkip.tx.iv32;
 247                 iv16 = key->u.tkip.tx.iv16;
 248
 249                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 250                         drv_get_tkip_seq(sdata->local,
 251                                          key->conf.hw_key_idx,
 252                                          &iv32, &iv16);
 253
 254                 seq[0] = iv16 & 0xff;
 255                 seq[1] = (iv16 >> 8) & 0xff;
 256                 seq[2] = iv32 & 0xff;
 257                 seq[3] = (iv32 >> 8) & 0xff;
 258                 seq[4] = (iv32 >> 16) & 0xff;
 259                 seq[5] = (iv32 >> 24) & 0xff;
 260                 params.seq = seq;
 261                 params.seq_len = 6;
 262                 break;
 263         case WLAN_CIPHER_SUITE_CCMP:
 264                 seq[0] = key->u.ccmp.tx_pn[5];
 265                 seq[1] = key->u.ccmp.tx_pn[4];
 266                 seq[2] = key->u.ccmp.tx_pn[3];
 267                 seq[3] = key->u.ccmp.tx_pn[2];
 268                 seq[4] = key->u.ccmp.tx_pn[1];
 269                 seq[5] = key->u.ccmp.tx_pn[0];
 270                 params.seq = seq;
 271                 params.seq_len = 6;
 272                 break;
 273         case WLAN_CIPHER_SUITE_AES_CMAC:
 274                 seq[0] = key->u.aes_cmac.tx_pn[5];
 275                 seq[1] = key->u.aes_cmac.tx_pn[4];
 276                 seq[2] = key->u.aes_cmac.tx_pn[3];
 277                 seq[3] = key->u.aes_cmac.tx_pn[2];
 278                 seq[4] = key->u.aes_cmac.tx_pn[1];
 279                 seq[5] = key->u.aes_cmac.tx_pn[0];
 280                 params.seq = seq;
 281                 params.seq_len = 6;
 282                 break;
 283         }
 284
 285         params.key = key->conf.key;
 286         params.key_len = key->conf.keylen;
 287
 288         callback(cookie, &params);
 289         err = 0;
 290
 291  out:
 292         rcu_read_unlock();
 293         return err;
 294 }
 295
 296 static int ieee80211_config_default_key(struct wiphy *wiphy,
 297                                         struct net_device *dev,
 298                                         u8 key_idx)
 299 {
 300         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 301
 302         ieee80211_set_default_key(sdata, key_idx);
 303
 304         return 0;
 305 }
 306
 307 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 308                                              struct net_device *dev,
 309                                              u8 key_idx)
 310 {
 311         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 312
 313         ieee80211_set_default_mgmt_key(sdata, key_idx);
 314
 315         return 0;
 316 }
 317
 318 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 319 {
 320         struct ieee80211_sub_if_data *sdata = sta->sdata;
 321
 322         sinfo->generation = sdata->local->sta_generation;
 323
 324         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 325                         STATION_INFO_RX_BYTES |
 326                         STATION_INFO_TX_BYTES |
 327                         STATION_INFO_RX_PACKETS |
 328                         STATION_INFO_TX_PACKETS |
 329                         STATION_INFO_TX_RETRIES |
 330                         STATION_INFO_TX_FAILED |
 331                         STATION_INFO_TX_BITRATE |
 332                         STATION_INFO_RX_DROP_MISC;
 333
 334         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 335         sinfo->rx_bytes = sta->rx_bytes;
 336         sinfo->tx_bytes = sta->tx_bytes;
 337         sinfo->rx_packets = sta->rx_packets;
 338         sinfo->tx_packets = sta->tx_packets;
 339         sinfo->tx_retries = sta->tx_retry_count;
 340         sinfo->tx_failed = sta->tx_retry_failed;
 341         sinfo->rx_dropped_misc = sta->rx_dropped;
 342
 343         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
 344             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
 345                 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
 346                 sinfo->signal = (s8)sta->last_signal;
 347                 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
 348         }
 349
 350         sinfo->txrate.flags = 0;
 351         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 352                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 353         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 354                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 355         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 356                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 357
 358         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 359                 struct ieee80211_supported_band *sband;
 360                 sband = sta->local->hw.wiphy->bands[
 361                                 sta->local->hw.conf.channel->band];
 362                 sinfo->txrate.legacy =
 363                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 364         } else
 365                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 366
 367         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 368 #ifdef CONFIG_MAC80211_MESH
 369                 sinfo->filled |= STATION_INFO_LLID |
 370                                  STATION_INFO_PLID |
 371                                  STATION_INFO_PLINK_STATE;
 372
 373                 sinfo->llid = le16_to_cpu(sta->llid);
 374                 sinfo->plid = le16_to_cpu(sta->plid);
 375                 sinfo->plink_state = sta->plink_state;
 376 #endif
 377         }
 378 }
 379
 380
 381 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 382                                  int idx, u8 *mac, struct station_info *sinfo)
 383 {
 384         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 385         struct sta_info *sta;
 386         int ret = -ENOENT;
 387
 388         rcu_read_lock();
 389
 390         sta = sta_info_get_by_idx(sdata, idx);
 391         if (sta) {
 392                 ret = 0;
 393                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 394                 sta_set_sinfo(sta, sinfo);
 395         }
 396
 397         rcu_read_unlock();
 398
 399         return ret;
 400 }
 401
 402 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 403                                  int idx, struct survey_info *survey)
 404 {
 405         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 406
 407         return drv_get_survey(local, idx, survey);
 408 }
 409
 410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 411                                  u8 *mac, struct station_info *sinfo)
 412 {
 413         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 414         struct sta_info *sta;
 415         int ret = -ENOENT;
 416
 417         rcu_read_lock();
 418
 419         sta = sta_info_get_bss(sdata, mac);
 420         if (sta) {
 421                 ret = 0;
 422                 sta_set_sinfo(sta, sinfo);
 423         }
 424
 425         rcu_read_unlock();
 426
 427         return ret;
 428 }
 429
 430 /*
 431  * This handles both adding a beacon and setting new beacon info
 432  */
 433 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 434                                    struct beacon_parameters *params)
 435 {
 436         struct beacon_data *new, *old;
 437         int new_head_len, new_tail_len;
 438         int size;
 439         int err = -EINVAL;
 440
 441         old = sdata->u.ap.beacon;
 442
 443         /* head must not be zero-length */
 444         if (params->head && !params->head_len)
 445                 return -EINVAL;
 446
 447         /*
 448          * This is a kludge. beacon interval should really be part
 449          * of the beacon information.
 450          */
 451         if (params->interval &&
 452             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 453                 sdata->vif.bss_conf.beacon_int = params->interval;
 454                 ieee80211_bss_info_change_notify(sdata,
 455                                                  BSS_CHANGED_BEACON_INT);
 456         }
 457
 458         /* Need to have a beacon head if we don't have one yet */
 459         if (!params->head && !old)
 460                 return err;
 461
 462         /* sorry, no way to start beaconing without dtim period */
 463         if (!params->dtim_period && !old)
 464                 return err;
 465
 466         /* new or old head? */
 467         if (params->head)
 468                 new_head_len = params->head_len;
 469         else
 470                 new_head_len = old->head_len;
 471
 472         /* new or old tail? */
 473         if (params->tail || !old)
 474                 /* params->tail_len will be zero for !params->tail */
 475                 new_tail_len = params->tail_len;
 476         else
 477                 new_tail_len = old->tail_len;
 478
 479         size = sizeof(*new) + new_head_len + new_tail_len;
 480
 481         new = kzalloc(size, GFP_KERNEL);
 482         if (!new)
 483                 return -ENOMEM;
 484
 485         /* start filling the new info now */
 486
 487         /* new or old dtim period? */
 488         if (params->dtim_period)
 489                 new->dtim_period = params->dtim_period;
 490         else
 491                 new->dtim_period = old->dtim_period;
 492
 493         /*
 494          * pointers go into the block we allocated,
 495          * memory is | beacon_data | head | tail |
 496          */
 497         new->head = ((u8 *) new) + sizeof(*new);
 498         new->tail = new->head + new_head_len;
 499         new->head_len = new_head_len;
 500         new->tail_len = new_tail_len;
 501
 502         /* copy in head */
 503         if (params->head)
 504                 memcpy(new->head, params->head, new_head_len);
 505         else
 506                 memcpy(new->head, old->head, new_head_len);
 507
 508         /* copy in optional tail */
 509         if (params->tail)
 510                 memcpy(new->tail, params->tail, new_tail_len);
 511         else
 512                 if (old)
 513                         memcpy(new->tail, old->tail, new_tail_len);
 514
 515         sdata->vif.bss_conf.dtim_period = new->dtim_period;
 516
 517         rcu_assign_pointer(sdata->u.ap.beacon, new);
 518
 519         synchronize_rcu();
 520
 521         kfree(old);
 522
 523         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 524                                                 BSS_CHANGED_BEACON);
 525         return 0;
 526 }
 527
 528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 529                                 struct beacon_parameters *params)
 530 {
 531         struct ieee80211_sub_if_data *sdata;
 532         struct beacon_data *old;
 533
 534         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 535
 536         old = sdata->u.ap.beacon;
 537
 538         if (old)
 539                 return -EALREADY;
 540
 541         return ieee80211_config_beacon(sdata, params);
 542 }
 543
 544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 545                                 struct beacon_parameters *params)
 546 {
 547         struct ieee80211_sub_if_data *sdata;
 548         struct beacon_data *old;
 549
 550         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 551
 552         old = sdata->u.ap.beacon;
 553
 554         if (!old)
 555                 return -ENOENT;
 556
 557         return ieee80211_config_beacon(sdata, params);
 558 }
 559
 560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 561 {
 562         struct ieee80211_sub_if_data *sdata;
 563         struct beacon_data *old;
 564
 565         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 566
 567         old = sdata->u.ap.beacon;
 568
 569         if (!old)
 570                 return -ENOENT;
 571
 572         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 573         synchronize_rcu();
 574         kfree(old);
 575
 576         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 577         return 0;
 578 }
 579
 580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 581 struct iapp_layer2_update {
 582         u8 da[ETH_ALEN];        /* broadcast */
 583         u8 sa[ETH_ALEN];        /* STA addr */
 584         __be16 len;             /* 6 */
 585         u8 dsap;                /* 0 */
 586         u8 ssap;                /* 0 */
 587         u8 control;
 588         u8 xid_info[3];
 589 } __packed;
 590
 591 static void ieee80211_send_layer2_update(struct sta_info *sta)
 592 {
 593         struct iapp_layer2_update *msg;
 594         struct sk_buff *skb;
 595
 596         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 597          * bridge devices */
 598
 599         skb = dev_alloc_skb(sizeof(*msg));
 600         if (!skb)
 601                 return;
 602         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 603
 604         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 605          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 606
 607         memset(msg->da, 0xff, ETH_ALEN);
 608         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 609         msg->len = htons(6);
 610         msg->dsap = 0;
 611         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 612         msg->control = 0xaf;    /* XID response lsb.1111F101.
 613                                  * F=0 (no poll command; unsolicited frame) */
 614         msg->xid_info[0] = 0x81;        /* XID format identifier */
 615         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 616         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 617
 618         skb->dev = sta->sdata->dev;
 619         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 620         memset(skb->cb, 0, sizeof(skb->cb));
 621         netif_rx_ni(skb);
 622 }
 623
 624 static void sta_apply_parameters(struct ieee80211_local *local,
 625                                  struct sta_info *sta,
 626                                  struct station_parameters *params)
 627 {
 628         unsigned long flags;
 629         u32 rates;
 630         int i, j;
 631         struct ieee80211_supported_band *sband;
 632         struct ieee80211_sub_if_data *sdata = sta->sdata;
 633         u32 mask, set;
 634
 635         sband = local->hw.wiphy->bands[local->oper_channel->band];
 636
 637         spin_lock_irqsave(&sta->flaglock, flags);
 638         mask = params->sta_flags_mask;
 639         set = params->sta_flags_set;
 640
 641         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 642                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 643                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 644                         sta->flags |= WLAN_STA_AUTHORIZED;
 645         }
 646
 647         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 648                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 649                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 650                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 651         }
 652
 653         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 654                 sta->flags &= ~WLAN_STA_WME;
 655                 if (set & BIT(NL80211_STA_FLAG_WME))
 656                         sta->flags |= WLAN_STA_WME;
 657         }
 658
 659         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 660                 sta->flags &= ~WLAN_STA_MFP;
 661                 if (set & BIT(NL80211_STA_FLAG_MFP))
 662                         sta->flags |= WLAN_STA_MFP;
 663         }
 664         spin_unlock_irqrestore(&sta->flaglock, flags);
 665
 666         /*
 667          * cfg80211 validates this (1-2007) and allows setting the AID
 668          * only when creating a new station entry
 669          */
 670         if (params->aid)
 671                 sta->sta.aid = params->aid;
 672
 673         /*
 674          * FIXME: updating the following information is racy when this
 675          *        function is called from ieee80211_change_station().
 676          *        However, all this information should be static so
 677          *        maybe we should just reject attemps to change it.
 678          */
 679
 680         if (params->listen_interval >= 0)
 681                 sta->listen_interval = params->listen_interval;
 682
 683         if (params->supported_rates) {
 684                 rates = 0;
 685
 686                 for (i = 0; i < params->supported_rates_len; i++) {
 687                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 688                         for (j = 0; j < sband->n_bitrates; j++) {
 689                                 if (sband->bitrates[j].bitrate == rate)
 690                                         rates |= BIT(j);
 691                         }
 692                 }
 693                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 694         }
 695
 696         if (params->ht_capa)
 697                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 698                                                   params->ht_capa,
 699                                                   &sta->sta.ht_cap);
 700
 701         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 702                 switch (params->plink_action) {
 703                 case PLINK_ACTION_OPEN:
 704                         mesh_plink_open(sta);
 705                         break;
 706                 case PLINK_ACTION_BLOCK:
 707                         mesh_plink_block(sta);
 708                         break;
 709                 }
 710         }
 711 }
 712
 713 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 714                                  u8 *mac, struct station_parameters *params)
 715 {
 716         struct ieee80211_local *local = wiphy_priv(wiphy);
 717         struct sta_info *sta;
 718         struct ieee80211_sub_if_data *sdata;
 719         int err;
 720         int layer2_update;
 721
 722         if (params->vlan) {
 723                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 724
 725                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 726                     sdata->vif.type != NL80211_IFTYPE_AP)
 727                         return -EINVAL;
 728         } else
 729                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 730
 731         if (compare_ether_addr(mac, sdata->vif.addr) == 0)
 732                 return -EINVAL;
 733
 734         if (is_multicast_ether_addr(mac))
 735                 return -EINVAL;
 736
 737         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 738         if (!sta)
 739                 return -ENOMEM;
 740
 741         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 742
 743         sta_apply_parameters(local, sta, params);
 744
 745         rate_control_rate_init(sta);
 746
 747         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 748                 sdata->vif.type == NL80211_IFTYPE_AP;
 749
 750         err = sta_info_insert_rcu(sta);
 751         if (err) {
 752                 rcu_read_unlock();
 753                 return err;
 754         }
 755
 756         if (layer2_update)
 757                 ieee80211_send_layer2_update(sta);
 758
 759         rcu_read_unlock();
 760
 761         return 0;
 762 }
 763
 764 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 765                                  u8 *mac)
 766 {
 767         struct ieee80211_local *local = wiphy_priv(wiphy);
 768         struct ieee80211_sub_if_data *sdata;
 769
 770         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 771
 772         if (mac)
 773                 return sta_info_destroy_addr_bss(sdata, mac);
 774
 775         sta_info_flush(local, sdata);
 776         return 0;
 777 }
 778
 779 static int ieee80211_change_station(struct wiphy *wiphy,
 780                                     struct net_device *dev,
 781                                     u8 *mac,
 782                                     struct station_parameters *params)
 783 {
 784         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 785         struct ieee80211_local *local = wiphy_priv(wiphy);
 786         struct sta_info *sta;
 787         struct ieee80211_sub_if_data *vlansdata;
 788
 789         rcu_read_lock();
 790
 791         sta = sta_info_get_bss(sdata, mac);
 792         if (!sta) {
 793                 rcu_read_unlock();
 794                 return -ENOENT;
 795         }
 796
 797         if (params->vlan && params->vlan != sta->sdata->dev) {
 798                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 799
 800                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 801                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 802                         rcu_read_unlock();
 803                         return -EINVAL;
 804                 }
 805
 806                 if (params->vlan->ieee80211_ptr->use_4addr) {
 807                         if (vlansdata->u.vlan.sta) {
 808                                 rcu_read_unlock();
 809                                 return -EBUSY;
 810                         }
 811
 812                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
 813                 }
 814
 815                 sta->sdata = vlansdata;
 816                 ieee80211_send_layer2_update(sta);
 817         }
 818
 819         sta_apply_parameters(local, sta, params);
 820
 821         rcu_read_unlock();
 822
 823         return 0;
 824 }
 825
 826 #ifdef CONFIG_MAC80211_MESH
 827 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 828                                  u8 *dst, u8 *next_hop)
 829 {
 830         struct ieee80211_sub_if_data *sdata;
 831         struct mesh_path *mpath;
 832         struct sta_info *sta;
 833         int err;
 834
 835         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 836
 837         rcu_read_lock();
 838         sta = sta_info_get(sdata, next_hop);
 839         if (!sta) {
 840                 rcu_read_unlock();
 841                 return -ENOENT;
 842         }
 843
 844         err = mesh_path_add(dst, sdata);
 845         if (err) {
 846                 rcu_read_unlock();
 847                 return err;
 848         }
 849
 850         mpath = mesh_path_lookup(dst, sdata);
 851         if (!mpath) {
 852                 rcu_read_unlock();
 853                 return -ENXIO;
 854         }
 855         mesh_path_fix_nexthop(mpath, sta);
 856
 857         rcu_read_unlock();
 858         return 0;
 859 }
 860
 861 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 862                                  u8 *dst)
 863 {
 864         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 865
 866         if (dst)
 867                 return mesh_path_del(dst, sdata);
 868
 869         mesh_path_flush(sdata);
 870         return 0;
 871 }
 872
 873 static int ieee80211_change_mpath(struct wiphy *wiphy,
 874                                     struct net_device *dev,
 875                                     u8 *dst, u8 *next_hop)
 876 {
 877         struct ieee80211_sub_if_data *sdata;
 878         struct mesh_path *mpath;
 879         struct sta_info *sta;
 880
 881         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 882
 883         rcu_read_lock();
 884
 885         sta = sta_info_get(sdata, next_hop);
 886         if (!sta) {
 887                 rcu_read_unlock();
 888                 return -ENOENT;
 889         }
 890
 891         mpath = mesh_path_lookup(dst, sdata);
 892         if (!mpath) {
 893                 rcu_read_unlock();
 894                 return -ENOENT;
 895         }
 896
 897         mesh_path_fix_nexthop(mpath, sta);
 898
 899         rcu_read_unlock();
 900         return 0;
 901 }
 902
 903 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 904                             struct mpath_info *pinfo)
 905 {
 906         if (mpath->next_hop)
 907                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 908         else
 909                 memset(next_hop, 0, ETH_ALEN);
 910
 911         pinfo->generation = mesh_paths_generation;
 912
 913         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 914                         MPATH_INFO_SN |
 915                         MPATH_INFO_METRIC |
 916                         MPATH_INFO_EXPTIME |
 917                         MPATH_INFO_DISCOVERY_TIMEOUT |
 918                         MPATH_INFO_DISCOVERY_RETRIES |
 919                         MPATH_INFO_FLAGS;
 920
 921         pinfo->frame_qlen = mpath->frame_queue.qlen;
 922         pinfo->sn = mpath->sn;
 923         pinfo->metric = mpath->metric;
 924         if (time_before(jiffies, mpath->exp_time))
 925                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 926         pinfo->discovery_timeout =
 927                         jiffies_to_msecs(mpath->discovery_timeout);
 928         pinfo->discovery_retries = mpath->discovery_retries;
 929         pinfo->flags = 0;
 930         if (mpath->flags & MESH_PATH_ACTIVE)
 931                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 932         if (mpath->flags & MESH_PATH_RESOLVING)
 933                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 934         if (mpath->flags & MESH_PATH_SN_VALID)
 935                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
 936         if (mpath->flags & MESH_PATH_FIXED)
 937                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 938         if (mpath->flags & MESH_PATH_RESOLVING)
 939                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 940
 941         pinfo->flags = mpath->flags;
 942 }
 943
 944 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 945                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 946
 947 {
 948         struct ieee80211_sub_if_data *sdata;
 949         struct mesh_path *mpath;
 950
 951         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 952
 953         rcu_read_lock();
 954         mpath = mesh_path_lookup(dst, sdata);
 955         if (!mpath) {
 956                 rcu_read_unlock();
 957                 return -ENOENT;
 958         }
 959         memcpy(dst, mpath->dst, ETH_ALEN);
 960         mpath_set_pinfo(mpath, next_hop, pinfo);
 961         rcu_read_unlock();
 962         return 0;
 963 }
 964
 965 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 966                                  int idx, u8 *dst, u8 *next_hop,
 967                                  struct mpath_info *pinfo)
 968 {
 969         struct ieee80211_sub_if_data *sdata;
 970         struct mesh_path *mpath;
 971
 972         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 973
 974         rcu_read_lock();
 975         mpath = mesh_path_lookup_by_idx(idx, sdata);
 976         if (!mpath) {
 977                 rcu_read_unlock();
 978                 return -ENOENT;
 979         }
 980         memcpy(dst, mpath->dst, ETH_ALEN);
 981         mpath_set_pinfo(mpath, next_hop, pinfo);
 982         rcu_read_unlock();
 983         return 0;
 984 }
 985
 986 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
 987                                 struct net_device *dev,
 988                                 struct mesh_config *conf)
 989 {
 990         struct ieee80211_sub_if_data *sdata;
 991         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 992
 993         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
 994         return 0;
 995 }
 996
 997 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
 998 {
 999         return (mask >> (parm-1)) & 0x1;
1000 }
1001
1002 static int ieee80211_update_mesh_params(struct wiphy *wiphy,
1003                                         struct net_device *dev, u32 mask,
1004                                         const struct mesh_config *nconf)
1005 {
1006         struct mesh_config *conf;
1007         struct ieee80211_sub_if_data *sdata;
1008         struct ieee80211_if_mesh *ifmsh;
1009
1010         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1011         ifmsh = &sdata->u.mesh;
1012
1013         /* Set the config options which we are interested in setting */
1014         conf = &(sdata->u.mesh.mshcfg);
1015         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1016                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1017         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1018                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1019         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1020                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1021         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1022                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1023         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1024                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1025         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1026                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1027         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1028                 conf->dot11MeshTTL = nconf->element_ttl;
1029         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1030                 conf->auto_open_plinks = nconf->auto_open_plinks;
1031         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1032                 conf->dot11MeshHWMPmaxPREQretries =
1033                         nconf->dot11MeshHWMPmaxPREQretries;
1034         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1035                 conf->path_refresh_time = nconf->path_refresh_time;
1036         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1037                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1039                 conf->dot11MeshHWMPactivePathTimeout =
1040                         nconf->dot11MeshHWMPactivePathTimeout;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1042                 conf->dot11MeshHWMPpreqMinInterval =
1043                         nconf->dot11MeshHWMPpreqMinInterval;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1045                            mask))
1046                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1047                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1049                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1050                 ieee80211_mesh_root_setup(ifmsh);
1051         }
1052         return 0;
1053 }
1054
1055 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1056                                const struct mesh_config *conf,
1057                                const struct mesh_setup *setup)
1058 {
1059         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1060         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1061
1062         memcpy(&sdata->u.mesh.mshcfg, conf, sizeof(struct mesh_config));
1063         ifmsh->mesh_id_len = setup->mesh_id_len;
1064         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1065
1066         ieee80211_start_mesh(sdata);
1067
1068         return 0;
1069 }
1070
1071 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1072 {
1073         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1074
1075         ieee80211_stop_mesh(sdata);
1076
1077         return 0;
1078 }
1079 #endif
1080
1081 static int ieee80211_change_bss(struct wiphy *wiphy,
1082                                 struct net_device *dev,
1083                                 struct bss_parameters *params)
1084 {
1085         struct ieee80211_sub_if_data *sdata;
1086         u32 changed = 0;
1087
1088         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1089
1090         if (params->use_cts_prot >= 0) {
1091                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1092                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1093         }
1094         if (params->use_short_preamble >= 0) {
1095                 sdata->vif.bss_conf.use_short_preamble =
1096                         params->use_short_preamble;
1097                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1098         }
1099
1100         if (!sdata->vif.bss_conf.use_short_slot &&
1101             sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1102                 sdata->vif.bss_conf.use_short_slot = true;
1103                 changed |= BSS_CHANGED_ERP_SLOT;
1104         }
1105
1106         if (params->use_short_slot_time >= 0) {
1107                 sdata->vif.bss_conf.use_short_slot =
1108                         params->use_short_slot_time;
1109                 changed |= BSS_CHANGED_ERP_SLOT;
1110         }
1111
1112         if (params->basic_rates) {
1113                 int i, j;
1114                 u32 rates = 0;
1115                 struct ieee80211_local *local = wiphy_priv(wiphy);
1116                 struct ieee80211_supported_band *sband =
1117                         wiphy->bands[local->oper_channel->band];
1118
1119                 for (i = 0; i < params->basic_rates_len; i++) {
1120                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1121                         for (j = 0; j < sband->n_bitrates; j++) {
1122                                 if (sband->bitrates[j].bitrate == rate)
1123                                         rates |= BIT(j);
1124                         }
1125                 }
1126                 sdata->vif.bss_conf.basic_rates = rates;
1127                 changed |= BSS_CHANGED_BASIC_RATES;
1128         }
1129
1130         if (params->ap_isolate >= 0) {
1131                 if (params->ap_isolate)
1132                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1133                 else
1134                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1135         }
1136
1137         if (params->ht_opmode >= 0) {
1138                 sdata->vif.bss_conf.ht_operation_mode =
1139                         (u16) params->ht_opmode;
1140                 changed |= BSS_CHANGED_HT;
1141         }
1142
1143         ieee80211_bss_info_change_notify(sdata, changed);
1144
1145         return 0;
1146 }
1147
1148 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1149                                     struct ieee80211_txq_params *params)
1150 {
1151         struct ieee80211_local *local = wiphy_priv(wiphy);
1152         struct ieee80211_tx_queue_params p;
1153
1154         if (!local->ops->conf_tx)
1155                 return -EOPNOTSUPP;
1156
1157         memset(&p, 0, sizeof(p));
1158         p.aifs = params->aifs;
1159         p.cw_max = params->cwmax;
1160         p.cw_min = params->cwmin;
1161         p.txop = params->txop;
1162
1163         /*
1164          * Setting tx queue params disables u-apsd because it's only
1165          * called in master mode.
1166          */
1167         p.uapsd = false;
1168
1169         if (drv_conf_tx(local, params->queue, &p)) {
1170                 wiphy_debug(local->hw.wiphy,
1171                             "failed to set TX queue parameters for queue %d\n",
1172                             params->queue);
1173                 return -EINVAL;
1174         }
1175
1176         return 0;
1177 }
1178
1179 static int ieee80211_set_channel(struct wiphy *wiphy,
1180                                  struct net_device *netdev,
1181                                  struct ieee80211_channel *chan,
1182                                  enum nl80211_channel_type channel_type)
1183 {
1184         struct ieee80211_local *local = wiphy_priv(wiphy);
1185         struct ieee80211_sub_if_data *sdata = NULL;
1186
1187         if (netdev)
1188                 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
1189
1190         switch (ieee80211_get_channel_mode(local, NULL)) {
1191         case CHAN_MODE_HOPPING:
1192                 return -EBUSY;
1193         case CHAN_MODE_FIXED:
1194                 if (local->oper_channel != chan)
1195                         return -EBUSY;
1196                 if (!sdata && local->_oper_channel_type == channel_type)
1197                         return 0;
1198                 break;
1199         case CHAN_MODE_UNDEFINED:
1200                 break;
1201         }
1202
1203         local->oper_channel = chan;
1204
1205         if (!ieee80211_set_channel_type(local, sdata, channel_type))
1206                 return -EBUSY;
1207
1208         ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1209         if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1210                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1211
1212         return 0;
1213 }
1214
1215 #ifdef CONFIG_PM
1216 static int ieee80211_suspend(struct wiphy *wiphy)
1217 {
1218         return __ieee80211_suspend(wiphy_priv(wiphy));
1219 }
1220
1221 static int ieee80211_resume(struct wiphy *wiphy)
1222 {
1223         return __ieee80211_resume(wiphy_priv(wiphy));
1224 }
1225 #else
1226 #define ieee80211_suspend NULL
1227 #define ieee80211_resume NULL
1228 #endif
1229
1230 static int ieee80211_scan(struct wiphy *wiphy,
1231                           struct net_device *dev,
1232                           struct cfg80211_scan_request *req)
1233 {
1234         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1235
1236         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
1237         case NL80211_IFTYPE_STATION:
1238         case NL80211_IFTYPE_ADHOC:
1239         case NL80211_IFTYPE_MESH_POINT:
1240         case NL80211_IFTYPE_P2P_CLIENT:
1241                 break;
1242         case NL80211_IFTYPE_P2P_GO:
1243                 if (sdata->local->ops->hw_scan)
1244                         break;
1245                 /* FIXME: implement NoA while scanning in software */
1246                 return -EOPNOTSUPP;
1247         case NL80211_IFTYPE_AP:
1248                 if (sdata->u.ap.beacon)
1249                         return -EOPNOTSUPP;
1250                 break;
1251         default:
1252                 return -EOPNOTSUPP;
1253         }
1254
1255         return ieee80211_request_scan(sdata, req);
1256 }
1257
1258 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1259                           struct cfg80211_auth_request *req)
1260 {
1261         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1262 }
1263
1264 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1265                            struct cfg80211_assoc_request *req)
1266 {
1267         struct ieee80211_local *local = wiphy_priv(wiphy);
1268         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1269
1270         switch (ieee80211_get_channel_mode(local, sdata)) {
1271         case CHAN_MODE_HOPPING:
1272                 return -EBUSY;
1273         case CHAN_MODE_FIXED:
1274                 if (local->oper_channel == req->bss->channel)
1275                         break;
1276                 return -EBUSY;
1277         case CHAN_MODE_UNDEFINED:
1278                 break;
1279         }
1280
1281         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1282 }
1283
1284 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1285                             struct cfg80211_deauth_request *req,
1286                             void *cookie)
1287 {
1288         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1289                                     req, cookie);
1290 }
1291
1292 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1293                               struct cfg80211_disassoc_request *req,
1294                               void *cookie)
1295 {
1296         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1297                                       req, cookie);
1298 }
1299
1300 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1301                                struct cfg80211_ibss_params *params)
1302 {
1303         struct ieee80211_local *local = wiphy_priv(wiphy);
1304         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1305
1306         switch (ieee80211_get_channel_mode(local, sdata)) {
1307         case CHAN_MODE_HOPPING:
1308                 return -EBUSY;
1309         case CHAN_MODE_FIXED:
1310                 if (!params->channel_fixed)
1311                         return -EBUSY;
1312                 if (local->oper_channel == params->channel)
1313                         break;
1314                 return -EBUSY;
1315         case CHAN_MODE_UNDEFINED:
1316                 break;
1317         }
1318
1319         return ieee80211_ibss_join(sdata, params);
1320 }
1321
1322 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1323 {
1324         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1325
1326         return ieee80211_ibss_leave(sdata);
1327 }
1328
1329 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1330 {
1331         struct ieee80211_local *local = wiphy_priv(wiphy);
1332         int err;
1333
1334         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
1335                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
1336
1337                 if (err)
1338                         return err;
1339         }
1340
1341         if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1342                 err = drv_set_coverage_class(local, wiphy->coverage_class);
1343
1344                 if (err)
1345                         return err;
1346         }
1347
1348         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1349                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1350
1351                 if (err)
1352                         return err;
1353         }
1354
1355         if (changed & WIPHY_PARAM_RETRY_SHORT)
1356                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1357         if (changed & WIPHY_PARAM_RETRY_LONG)
1358                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1359         if (changed &
1360             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1361                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1362
1363         return 0;
1364 }
1365
1366 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1367                                   enum nl80211_tx_power_setting type, int mbm)
1368 {
1369         struct ieee80211_local *local = wiphy_priv(wiphy);
1370         struct ieee80211_channel *chan = local->hw.conf.channel;
1371         u32 changes = 0;
1372
1373         switch (type) {
1374         case NL80211_TX_POWER_AUTOMATIC:
1375                 local->user_power_level = -1;
1376                 break;
1377         case NL80211_TX_POWER_LIMITED:
1378                 if (mbm < 0 || (mbm % 100))
1379                         return -EOPNOTSUPP;
1380                 local->user_power_level = MBM_TO_DBM(mbm);
1381                 break;
1382         case NL80211_TX_POWER_FIXED:
1383                 if (mbm < 0 || (mbm % 100))
1384                         return -EOPNOTSUPP;
1385                 /* TODO: move to cfg80211 when it knows the channel */
1386                 if (MBM_TO_DBM(mbm) > chan->max_power)
1387                         return -EINVAL;
1388                 local->user_power_level = MBM_TO_DBM(mbm);
1389                 break;
1390         }
1391
1392         ieee80211_hw_config(local, changes);
1393
1394         return 0;
1395 }
1396
1397 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1398 {
1399         struct ieee80211_local *local = wiphy_priv(wiphy);
1400
1401         *dbm = local->hw.conf.power_level;
1402
1403         return 0;
1404 }
1405
1406 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1407                                   const u8 *addr)
1408 {
1409         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1410
1411         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1412
1413         return 0;
1414 }
1415
1416 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1417 {
1418         struct ieee80211_local *local = wiphy_priv(wiphy);
1419
1420         drv_rfkill_poll(local);
1421 }
1422
1423 #ifdef CONFIG_NL80211_TESTMODE
1424 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1425 {
1426         struct ieee80211_local *local = wiphy_priv(wiphy);
1427
1428         if (!local->ops->testmode_cmd)
1429                 return -EOPNOTSUPP;
1430
1431         return local->ops->testmode_cmd(&local->hw, data, len);
1432 }
1433 #endif
1434
1435 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1436                              enum ieee80211_smps_mode smps_mode)
1437 {
1438         const u8 *ap;
1439         enum ieee80211_smps_mode old_req;
1440         int err;
1441
1442         old_req = sdata->u.mgd.req_smps;
1443         sdata->u.mgd.req_smps = smps_mode;
1444
1445         if (old_req == smps_mode &&
1446             smps_mode != IEEE80211_SMPS_AUTOMATIC)
1447                 return 0;
1448
1449         /*
1450          * If not associated, or current association is not an HT
1451          * association, there's no need to send an action frame.
1452          */
1453         if (!sdata->u.mgd.associated ||
1454             sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
1455                 mutex_lock(&sdata->local->iflist_mtx);
1456                 ieee80211_recalc_smps(sdata->local);
1457                 mutex_unlock(&sdata->local->iflist_mtx);
1458                 return 0;
1459         }
1460
1461         ap = sdata->u.mgd.associated->bssid;
1462
1463         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1464                 if (sdata->u.mgd.powersave)
1465                         smps_mode = IEEE80211_SMPS_DYNAMIC;
1466                 else
1467                         smps_mode = IEEE80211_SMPS_OFF;
1468         }
1469
1470         /* send SM PS frame to AP */
1471         err = ieee80211_send_smps_action(sdata, smps_mode,
1472                                          ap, ap);
1473         if (err)
1474                 sdata->u.mgd.req_smps = old_req;
1475
1476         return err;
1477 }
1478
1479 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1480                                     bool enabled, int timeout)
1481 {
1482         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1483         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1484
1485         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1486                 return -EOPNOTSUPP;
1487
1488         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1489                 return -EOPNOTSUPP;
1490
1491         if (enabled == sdata->u.mgd.powersave &&
1492             timeout == local->dynamic_ps_forced_timeout)
1493                 return 0;
1494
1495         sdata->u.mgd.powersave = enabled;
1496         local->dynamic_ps_forced_timeout = timeout;
1497
1498         /* no change, but if automatic follow powersave */
1499         mutex_lock(&sdata->u.mgd.mtx);
1500         __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1501         mutex_unlock(&sdata->u.mgd.mtx);
1502
1503         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1504                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1505
1506         ieee80211_recalc_ps(local, -1);
1507
1508         return 0;
1509 }
1510
1511 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1512                                          struct net_device *dev,
1513                                          s32 rssi_thold, u32 rssi_hyst)
1514 {
1515         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1516         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1517         struct ieee80211_vif *vif = &sdata->vif;
1518         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1519
1520         if (rssi_thold == bss_conf->cqm_rssi_thold &&
1521             rssi_hyst == bss_conf->cqm_rssi_hyst)
1522                 return 0;
1523
1524         bss_conf->cqm_rssi_thold = rssi_thold;
1525         bss_conf->cqm_rssi_hyst = rssi_hyst;
1526
1527         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1528                 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1529                         return -EOPNOTSUPP;
1530                 return 0;
1531         }
1532
1533         /* tell the driver upon association, unless already associated */
1534         if (sdata->u.mgd.associated)
1535                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1536
1537         return 0;
1538 }
1539
1540 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1541                                       struct net_device *dev,
1542                                       const u8 *addr,
1543                                       const struct cfg80211_bitrate_mask *mask)
1544 {
1545         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1546         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1547         int i;
1548
1549         /*
1550          * This _could_ be supported by providing a hook for
1551          * drivers for this function, but at this point it
1552          * doesn't seem worth bothering.
1553          */
1554         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1555                 return -EOPNOTSUPP;
1556
1557
1558         for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1559                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
1560
1561         return 0;
1562 }
1563
1564 static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1565                                        struct net_device *dev,
1566                                        struct ieee80211_channel *chan,
1567                                        enum nl80211_channel_type channel_type,
1568                                        unsigned int duration,
1569                                        u64 *cookie)
1570 {
1571         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1572
1573         return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1574                                               duration, cookie);
1575 }
1576
1577 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1578                                               struct net_device *dev,
1579                                               u64 cookie)
1580 {
1581         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1582
1583         return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1584 }
1585
1586 static enum work_done_result
1587 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
1588 {
1589         /*
1590          * Use the data embedded in the work struct for reporting
1591          * here so if the driver mangled the SKB before dropping
1592          * it (which is the only way we really should get here)
1593          * then we don't report mangled data.
1594          *
1595          * If there was no wait time, then by the time we get here
1596          * the driver will likely not have reported the status yet,
1597          * so in that case userspace will have to deal with it.
1598          */
1599
1600         if (wk->offchan_tx.wait && wk->offchan_tx.frame)
1601                 cfg80211_mgmt_tx_status(wk->sdata->dev,
1602                                         (unsigned long) wk->offchan_tx.frame,
1603                                         wk->ie, wk->ie_len, false, GFP_KERNEL);
1604
1605         return WORK_DONE_DESTROY;
1606 }
1607
1608 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
1609                              struct ieee80211_channel *chan, bool offchan,
1610                              enum nl80211_channel_type channel_type,
1611                              bool channel_type_valid, unsigned int wait,
1612                              const u8 *buf, size_t len, u64 *cookie)
1613 {
1614         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615         struct ieee80211_local *local = sdata->local;
1616         struct sk_buff *skb;
1617         struct sta_info *sta;
1618         struct ieee80211_work *wk;
1619         const struct ieee80211_mgmt *mgmt = (void *)buf;
1620         u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
1621                     IEEE80211_TX_CTL_REQ_TX_STATUS;
1622         bool is_offchan = false;
1623
1624         /* Check that we are on the requested channel for transmission */
1625         if (chan != local->tmp_channel &&
1626             chan != local->oper_channel)
1627                 is_offchan = true;
1628         if (channel_type_valid &&
1629             (channel_type != local->tmp_channel_type &&
1630              channel_type != local->_oper_channel_type))
1631                 is_offchan = true;
1632
1633         if (is_offchan && !offchan)
1634                 return -EBUSY;
1635
1636         switch (sdata->vif.type) {
1637         case NL80211_IFTYPE_ADHOC:
1638         case NL80211_IFTYPE_AP:
1639         case NL80211_IFTYPE_AP_VLAN:
1640         case NL80211_IFTYPE_P2P_GO:
1641                 if (!ieee80211_is_action(mgmt->frame_control) ||
1642                     mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
1643                         break;
1644                 rcu_read_lock();
1645                 sta = sta_info_get(sdata, mgmt->da);
1646                 rcu_read_unlock();
1647                 if (!sta)
1648                         return -ENOLINK;
1649                 break;
1650         case NL80211_IFTYPE_STATION:
1651         case NL80211_IFTYPE_P2P_CLIENT:
1652                 break;
1653         default:
1654                 return -EOPNOTSUPP;
1655         }
1656
1657         skb = dev_alloc_skb(local->hw.extra_tx_headroom + len);
1658         if (!skb)
1659                 return -ENOMEM;
1660         skb_reserve(skb, local->hw.extra_tx_headroom);
1661
1662         memcpy(skb_put(skb, len), buf, len);
1663
1664         IEEE80211_SKB_CB(skb)->flags = flags;
1665
1666         skb->dev = sdata->dev;
1667
1668         *cookie = (unsigned long) skb;
1669
1670         /*
1671          * Can transmit right away if the channel was the
1672          * right one and there's no wait involved... If a
1673          * wait is involved, we might otherwise not be on
1674          * the right channel for long enough!
1675          */
1676         if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
1677                 ieee80211_tx_skb(sdata, skb);
1678                 return 0;
1679         }
1680
1681         wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
1682         if (!wk) {
1683                 kfree_skb(skb);
1684                 return -ENOMEM;
1685         }
1686
1687         wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
1688         wk->chan = chan;
1689         wk->sdata = sdata;
1690         wk->done = ieee80211_offchan_tx_done;
1691         wk->offchan_tx.frame = skb;
1692         wk->offchan_tx.wait = wait;
1693         wk->ie_len = len;
1694         memcpy(wk->ie, buf, len);
1695
1696         ieee80211_add_work(wk);
1697         return 0;
1698 }
1699
1700 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
1701                                          struct net_device *dev,
1702                                          u64 cookie)
1703 {
1704         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1705         struct ieee80211_local *local = sdata->local;
1706         struct ieee80211_work *wk;
1707         int ret = -ENOENT;
1708
1709         mutex_lock(&local->mtx);
1710         list_for_each_entry(wk, &local->work_list, list) {
1711                 if (wk->sdata != sdata)
1712                         continue;
1713
1714                 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
1715                         continue;
1716
1717                 if (cookie != (unsigned long) wk->offchan_tx.frame)
1718                         continue;
1719
1720                 wk->timeout = jiffies;
1721
1722                 ieee80211_queue_work(&local->hw, &local->work_work);
1723                 ret = 0;
1724                 break;
1725         }
1726         mutex_unlock(&local->mtx);
1727
1728         return ret;
1729 }
1730
1731 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
1732                                           struct net_device *dev,
1733                                           u16 frame_type, bool reg)
1734 {
1735         struct ieee80211_local *local = wiphy_priv(wiphy);
1736
1737         if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
1738                 return;
1739
1740         if (reg)
1741                 local->probe_req_reg++;
1742         else
1743                 local->probe_req_reg--;
1744
1745         ieee80211_queue_work(&local->hw, &local->reconfig_filter);
1746 }
1747
1748 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1749 {
1750         struct ieee80211_local *local = wiphy_priv(wiphy);
1751
1752         if (local->started)
1753                 return -EOPNOTSUPP;
1754
1755         return drv_set_antenna(local, tx_ant, rx_ant);
1756 }
1757
1758 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1759 {
1760         struct ieee80211_local *local = wiphy_priv(wiphy);
1761
1762         return drv_get_antenna(local, tx_ant, rx_ant);
1763 }
1764
1765 struct cfg80211_ops mac80211_config_ops = {
1766         .add_virtual_intf = ieee80211_add_iface,
1767         .del_virtual_intf = ieee80211_del_iface,
1768         .change_virtual_intf = ieee80211_change_iface,
1769         .add_key = ieee80211_add_key,
1770         .del_key = ieee80211_del_key,
1771         .get_key = ieee80211_get_key,
1772         .set_default_key = ieee80211_config_default_key,
1773         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1774         .add_beacon = ieee80211_add_beacon,
1775         .set_beacon = ieee80211_set_beacon,
1776         .del_beacon = ieee80211_del_beacon,
1777         .add_station = ieee80211_add_station,
1778         .del_station = ieee80211_del_station,
1779         .change_station = ieee80211_change_station,
1780         .get_station = ieee80211_get_station,
1781         .dump_station = ieee80211_dump_station,
1782         .dump_survey = ieee80211_dump_survey,
1783 #ifdef CONFIG_MAC80211_MESH
1784         .add_mpath = ieee80211_add_mpath,
1785         .del_mpath = ieee80211_del_mpath,
1786         .change_mpath = ieee80211_change_mpath,
1787         .get_mpath = ieee80211_get_mpath,
1788         .dump_mpath = ieee80211_dump_mpath,
1789         .update_mesh_params = ieee80211_update_mesh_params,
1790         .get_mesh_params = ieee80211_get_mesh_params,
1791         .join_mesh = ieee80211_join_mesh,
1792         .leave_mesh = ieee80211_leave_mesh,
1793 #endif
1794         .change_bss = ieee80211_change_bss,
1795         .set_txq_params = ieee80211_set_txq_params,
1796         .set_channel = ieee80211_set_channel,
1797         .suspend = ieee80211_suspend,
1798         .resume = ieee80211_resume,
1799         .scan = ieee80211_scan,
1800         .auth = ieee80211_auth,
1801         .assoc = ieee80211_assoc,
1802         .deauth = ieee80211_deauth,
1803         .disassoc = ieee80211_disassoc,
1804         .join_ibss = ieee80211_join_ibss,
1805         .leave_ibss = ieee80211_leave_ibss,
1806         .set_wiphy_params = ieee80211_set_wiphy_params,
1807         .set_tx_power = ieee80211_set_tx_power,
1808         .get_tx_power = ieee80211_get_tx_power,
1809         .set_wds_peer = ieee80211_set_wds_peer,
1810         .rfkill_poll = ieee80211_rfkill_poll,
1811         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1812         .set_power_mgmt = ieee80211_set_power_mgmt,
1813         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1814         .remain_on_channel = ieee80211_remain_on_channel,
1815         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
1816         .mgmt_tx = ieee80211_mgmt_tx,
1817         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
1818         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
1819         .mgmt_frame_register = ieee80211_mgmt_frame_register,
1820         .set_antenna = ieee80211_set_antenna,
1821         .get_antenna = ieee80211_get_antenna,
1822 };