net/mac80211/cfg.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * mac80211 configuration hooks for cfg80211
   4  *
   5  * Copyright 2006-2010  Johannes Berg <johannes@sipsolutions.net>
   6  * Copyright 2013-2015  Intel Mobile Communications GmbH
   7  * Copyright (C) 2015-2017 Intel Deutschland GmbH
   8  * Copyright (C) 2018-2020 Intel Corporation
   9  */
  10
  11 #include <linux/ieee80211.h>
  12 #include <linux/nl80211.h>
  13 #include <linux/rtnetlink.h>
  14 #include <linux/slab.h>
  15 #include <net/net_namespace.h>
  16 #include <linux/rcupdate.h>
  17 #include <linux/fips.h>
  18 #include <linux/if_ether.h>
  19 #include <net/cfg80211.h>
  20 #include "ieee80211_i.h"
  21 #include "driver-ops.h"
  22 #include "rate.h"
  23 #include "mesh.h"
  24 #include "wme.h"
  25
  26 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
  27                                          struct vif_params *params)
  28 {
  29         bool mu_mimo_groups = false;
  30         bool mu_mimo_follow = false;
  31
  32         if (params->vht_mumimo_groups) {
  33                 u64 membership;
  34
  35                 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
  36
  37                 memcpy(sdata->vif.bss_conf.mu_group.membership,
  38                        params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
  39                 memcpy(sdata->vif.bss_conf.mu_group.position,
  40                        params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
  41                        WLAN_USER_POSITION_LEN);
  42                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
  43                 /* don't care about endianness - just check for 0 */
  44                 memcpy(&membership, params->vht_mumimo_groups,
  45                        WLAN_MEMBERSHIP_LEN);
  46                 mu_mimo_groups = membership != 0;
  47         }
  48
  49         if (params->vht_mumimo_follow_addr) {
  50                 mu_mimo_follow =
  51                         is_valid_ether_addr(params->vht_mumimo_follow_addr);
  52                 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
  53                                 params->vht_mumimo_follow_addr);
  54         }
  55
  56         sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
  57 }
  58
  59 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
  60                                      struct vif_params *params)
  61 {
  62         struct ieee80211_local *local = sdata->local;
  63         struct ieee80211_sub_if_data *monitor_sdata;
  64
  65         /* check flags first */
  66         if (params->flags && ieee80211_sdata_running(sdata)) {
  67                 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
  68
  69                 /*
  70                  * Prohibit MONITOR_FLAG_COOK_FRAMES and
  71                  * MONITOR_FLAG_ACTIVE to be changed while the
  72                  * interface is up.
  73                  * Else we would need to add a lot of cruft
  74                  * to update everything:
  75                  *      cooked_mntrs, monitor and all fif_* counters
  76                  *      reconfigure hardware
  77                  */
  78                 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
  79                         return -EBUSY;
  80         }
  81
  82         /* also validate MU-MIMO change */
  83         monitor_sdata = rtnl_dereference(local->monitor_sdata);
  84
  85         if (!monitor_sdata &&
  86             (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
  87                 return -EOPNOTSUPP;
  88
  89         /* apply all changes now - no failures allowed */
  90
  91         if (monitor_sdata)
  92                 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
  93
  94         if (params->flags) {
  95                 if (ieee80211_sdata_running(sdata)) {
  96                         ieee80211_adjust_monitor_flags(sdata, -1);
  97                         sdata->u.mntr.flags = params->flags;
  98                         ieee80211_adjust_monitor_flags(sdata, 1);
  99
 100                         ieee80211_configure_filter(local);
 101                 } else {
 102                         /*
 103                          * Because the interface is down, ieee80211_do_stop
 104                          * and ieee80211_do_open take care of "everything"
 105                          * mentioned in the comment above.
 106                          */
 107                         sdata->u.mntr.flags = params->flags;
 108                 }
 109         }
 110
 111         return 0;
 112 }
 113
 114 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
 115                                                 const char *name,
 116                                                 unsigned char name_assign_type,
 117                                                 enum nl80211_iftype type,
 118                                                 struct vif_params *params)
 119 {
 120         struct ieee80211_local *local = wiphy_priv(wiphy);
 121         struct wireless_dev *wdev;
 122         struct ieee80211_sub_if_data *sdata;
 123         int err;
 124
 125         err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
 126         if (err)
 127                 return ERR_PTR(err);
 128
 129         sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 130
 131         if (type == NL80211_IFTYPE_MONITOR) {
 132                 err = ieee80211_set_mon_options(sdata, params);
 133                 if (err) {
 134                         ieee80211_if_remove(sdata);
 135                         return NULL;
 136                 }
 137         }
 138
 139         return wdev;
 140 }
 141
 142 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
 143 {
 144         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
 145
 146         return 0;
 147 }
 148
 149 static int ieee80211_change_iface(struct wiphy *wiphy,
 150                                   struct net_device *dev,
 151                                   enum nl80211_iftype type,
 152                                   struct vif_params *params)
 153 {
 154         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 155         int ret;
 156
 157         ret = ieee80211_if_change_type(sdata, type);
 158         if (ret)
 159                 return ret;
 160
 161         if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
 162                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
 163                 ieee80211_check_fast_rx_iface(sdata);
 164         } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
 165                 sdata->u.mgd.use_4addr = params->use_4addr;
 166         }
 167
 168         if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
 169                 ret = ieee80211_set_mon_options(sdata, params);
 170                 if (ret)
 171                         return ret;
 172         }
 173
 174         return 0;
 175 }
 176
 177 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 178                                       struct wireless_dev *wdev)
 179 {
 180         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 181         int ret;
 182
 183         mutex_lock(&sdata->local->chanctx_mtx);
 184         ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
 185         mutex_unlock(&sdata->local->chanctx_mtx);
 186         if (ret < 0)
 187                 return ret;
 188
 189         return ieee80211_do_open(wdev, true);
 190 }
 191
 192 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 193                                       struct wireless_dev *wdev)
 194 {
 195         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 196 }
 197
 198 static int ieee80211_start_nan(struct wiphy *wiphy,
 199                                struct wireless_dev *wdev,
 200                                struct cfg80211_nan_conf *conf)
 201 {
 202         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 203         int ret;
 204
 205         mutex_lock(&sdata->local->chanctx_mtx);
 206         ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
 207         mutex_unlock(&sdata->local->chanctx_mtx);
 208         if (ret < 0)
 209                 return ret;
 210
 211         ret = ieee80211_do_open(wdev, true);
 212         if (ret)
 213                 return ret;
 214
 215         ret = drv_start_nan(sdata->local, sdata, conf);
 216         if (ret)
 217                 ieee80211_sdata_stop(sdata);
 218
 219         sdata->u.nan.conf = *conf;
 220
 221         return ret;
 222 }
 223
 224 static void ieee80211_stop_nan(struct wiphy *wiphy,
 225                                struct wireless_dev *wdev)
 226 {
 227         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 228
 229         drv_stop_nan(sdata->local, sdata);
 230         ieee80211_sdata_stop(sdata);
 231 }
 232
 233 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
 234                                      struct wireless_dev *wdev,
 235                                      struct cfg80211_nan_conf *conf,
 236                                      u32 changes)
 237 {
 238         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 239         struct cfg80211_nan_conf new_conf;
 240         int ret = 0;
 241
 242         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 243                 return -EOPNOTSUPP;
 244
 245         if (!ieee80211_sdata_running(sdata))
 246                 return -ENETDOWN;
 247
 248         new_conf = sdata->u.nan.conf;
 249
 250         if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
 251                 new_conf.master_pref = conf->master_pref;
 252
 253         if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
 254                 new_conf.bands = conf->bands;
 255
 256         ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
 257         if (!ret)
 258                 sdata->u.nan.conf = new_conf;
 259
 260         return ret;
 261 }
 262
 263 static int ieee80211_add_nan_func(struct wiphy *wiphy,
 264                                   struct wireless_dev *wdev,
 265                                   struct cfg80211_nan_func *nan_func)
 266 {
 267         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 268         int ret;
 269
 270         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 271                 return -EOPNOTSUPP;
 272
 273         if (!ieee80211_sdata_running(sdata))
 274                 return -ENETDOWN;
 275
 276         spin_lock_bh(&sdata->u.nan.func_lock);
 277
 278         ret = idr_alloc(&sdata->u.nan.function_inst_ids,
 279                         nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
 280                         GFP_ATOMIC);
 281         spin_unlock_bh(&sdata->u.nan.func_lock);
 282
 283         if (ret < 0)
 284                 return ret;
 285
 286         nan_func->instance_id = ret;
 287
 288         WARN_ON(nan_func->instance_id == 0);
 289
 290         ret = drv_add_nan_func(sdata->local, sdata, nan_func);
 291         if (ret) {
 292                 spin_lock_bh(&sdata->u.nan.func_lock);
 293                 idr_remove(&sdata->u.nan.function_inst_ids,
 294                            nan_func->instance_id);
 295                 spin_unlock_bh(&sdata->u.nan.func_lock);
 296         }
 297
 298         return ret;
 299 }
 300
 301 static struct cfg80211_nan_func *
 302 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
 303                                   u64 cookie)
 304 {
 305         struct cfg80211_nan_func *func;
 306         int id;
 307
 308         lockdep_assert_held(&sdata->u.nan.func_lock);
 309
 310         idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
 311                 if (func->cookie == cookie)
 312                         return func;
 313         }
 314
 315         return NULL;
 316 }
 317
 318 static void ieee80211_del_nan_func(struct wiphy *wiphy,
 319                                   struct wireless_dev *wdev, u64 cookie)
 320 {
 321         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 322         struct cfg80211_nan_func *func;
 323         u8 instance_id = 0;
 324
 325         if (sdata->vif.type != NL80211_IFTYPE_NAN ||
 326             !ieee80211_sdata_running(sdata))
 327                 return;
 328
 329         spin_lock_bh(&sdata->u.nan.func_lock);
 330
 331         func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
 332         if (func)
 333                 instance_id = func->instance_id;
 334
 335         spin_unlock_bh(&sdata->u.nan.func_lock);
 336
 337         if (instance_id)
 338                 drv_del_nan_func(sdata->local, sdata, instance_id);
 339 }
 340
 341 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 342                                   struct net_device *dev,
 343                                   u16 noack_map)
 344 {
 345         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 346
 347         sdata->noack_map = noack_map;
 348
 349         ieee80211_check_fast_xmit_iface(sdata);
 350
 351         return 0;
 352 }
 353
 354 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
 355                             const u8 *mac_addr, u8 key_idx)
 356 {
 357         struct ieee80211_local *local = sdata->local;
 358         struct ieee80211_key *key;
 359         struct sta_info *sta;
 360         int ret = -EINVAL;
 361
 362         if (!wiphy_ext_feature_isset(local->hw.wiphy,
 363                                      NL80211_EXT_FEATURE_EXT_KEY_ID))
 364                 return -EINVAL;
 365
 366         sta = sta_info_get_bss(sdata, mac_addr);
 367
 368         if (!sta)
 369                 return -EINVAL;
 370
 371         if (sta->ptk_idx == key_idx)
 372                 return 0;
 373
 374         mutex_lock(&local->key_mtx);
 375         key = key_mtx_dereference(local, sta->ptk[key_idx]);
 376
 377         if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
 378                 ret = ieee80211_set_tx_key(key);
 379
 380         mutex_unlock(&local->key_mtx);
 381         return ret;
 382 }
 383
 384 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 385                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 386                              struct key_params *params)
 387 {
 388         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 389         struct ieee80211_local *local = sdata->local;
 390         struct sta_info *sta = NULL;
 391         const struct ieee80211_cipher_scheme *cs = NULL;
 392         struct ieee80211_key *key;
 393         int err;
 394
 395         if (!ieee80211_sdata_running(sdata))
 396                 return -ENETDOWN;
 397
 398         if (pairwise && params->mode == NL80211_KEY_SET_TX)
 399                 return ieee80211_set_tx(sdata, mac_addr, key_idx);
 400
 401         /* reject WEP and TKIP keys if WEP failed to initialize */
 402         switch (params->cipher) {
 403         case WLAN_CIPHER_SUITE_WEP40:
 404         case WLAN_CIPHER_SUITE_TKIP:
 405         case WLAN_CIPHER_SUITE_WEP104:
 406                 if (WARN_ON_ONCE(fips_enabled))
 407                         return -EINVAL;
 408         case WLAN_CIPHER_SUITE_CCMP:
 409         case WLAN_CIPHER_SUITE_CCMP_256:
 410         case WLAN_CIPHER_SUITE_AES_CMAC:
 411         case WLAN_CIPHER_SUITE_BIP_CMAC_256:
 412         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 413         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 414         case WLAN_CIPHER_SUITE_GCMP:
 415         case WLAN_CIPHER_SUITE_GCMP_256:
 416                 break;
 417         default:
 418                 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
 419                 break;
 420         }
 421
 422         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 423                                   params->key, params->seq_len, params->seq,
 424                                   cs);
 425         if (IS_ERR(key))
 426                 return PTR_ERR(key);
 427
 428         if (pairwise)
 429                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 430
 431         if (params->mode == NL80211_KEY_NO_TX)
 432                 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
 433
 434         mutex_lock(&local->sta_mtx);
 435
 436         if (mac_addr) {
 437                 sta = sta_info_get_bss(sdata, mac_addr);
 438                 /*
 439                  * The ASSOC test makes sure the driver is ready to
 440                  * receive the key. When wpa_supplicant has roamed
 441                  * using FT, it attempts to set the key before
 442                  * association has completed, this rejects that attempt
 443                  * so it will set the key again after association.
 444                  *
 445                  * TODO: accept the key if we have a station entry and
 446                  *       add it to the device after the station.
 447                  */
 448                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 449                         ieee80211_key_free_unused(key);
 450                         err = -ENOENT;
 451                         goto out_unlock;
 452                 }
 453         }
 454
 455         switch (sdata->vif.type) {
 456         case NL80211_IFTYPE_STATION:
 457                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 458                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 459                 break;
 460         case NL80211_IFTYPE_AP:
 461         case NL80211_IFTYPE_AP_VLAN:
 462                 /* Keys without a station are used for TX only */
 463                 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
 464                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 465                 break;
 466         case NL80211_IFTYPE_ADHOC:
 467                 /* no MFP (yet) */
 468                 break;
 469         case NL80211_IFTYPE_MESH_POINT:
 470 #ifdef CONFIG_MAC80211_MESH
 471                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 472                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 473                 break;
 474 #endif
 475         case NL80211_IFTYPE_WDS:
 476         case NL80211_IFTYPE_MONITOR:
 477         case NL80211_IFTYPE_P2P_DEVICE:
 478         case NL80211_IFTYPE_NAN:
 479         case NL80211_IFTYPE_UNSPECIFIED:
 480         case NUM_NL80211_IFTYPES:
 481         case NL80211_IFTYPE_P2P_CLIENT:
 482         case NL80211_IFTYPE_P2P_GO:
 483         case NL80211_IFTYPE_OCB:
 484                 /* shouldn't happen */
 485                 WARN_ON_ONCE(1);
 486                 break;
 487         }
 488
 489         if (sta)
 490                 sta->cipher_scheme = cs;
 491
 492         err = ieee80211_key_link(key, sdata, sta);
 493
 494  out_unlock:
 495         mutex_unlock(&local->sta_mtx);
 496
 497         return err;
 498 }
 499
 500 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 501                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 502 {
 503         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 504         struct ieee80211_local *local = sdata->local;
 505         struct sta_info *sta;
 506         struct ieee80211_key *key = NULL;
 507         int ret;
 508
 509         mutex_lock(&local->sta_mtx);
 510         mutex_lock(&local->key_mtx);
 511
 512         if (mac_addr) {
 513                 ret = -ENOENT;
 514
 515                 sta = sta_info_get_bss(sdata, mac_addr);
 516                 if (!sta)
 517                         goto out_unlock;
 518
 519                 if (pairwise)
 520                         key = key_mtx_dereference(local, sta->ptk[key_idx]);
 521                 else
 522                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 523         } else
 524                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 525
 526         if (!key) {
 527                 ret = -ENOENT;
 528                 goto out_unlock;
 529         }
 530
 531         ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
 532
 533         ret = 0;
 534  out_unlock:
 535         mutex_unlock(&local->key_mtx);
 536         mutex_unlock(&local->sta_mtx);
 537
 538         return ret;
 539 }
 540
 541 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 542                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 543                              void *cookie,
 544                              void (*callback)(void *cookie,
 545                                               struct key_params *params))
 546 {
 547         struct ieee80211_sub_if_data *sdata;
 548         struct sta_info *sta = NULL;
 549         u8 seq[6] = {0};
 550         struct key_params params;
 551         struct ieee80211_key *key = NULL;
 552         u64 pn64;
 553         u32 iv32;
 554         u16 iv16;
 555         int err = -ENOENT;
 556         struct ieee80211_key_seq kseq = {};
 557
 558         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 559
 560         rcu_read_lock();
 561
 562         if (mac_addr) {
 563                 sta = sta_info_get_bss(sdata, mac_addr);
 564                 if (!sta)
 565                         goto out;
 566
 567                 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
 568                         key = rcu_dereference(sta->ptk[key_idx]);
 569                 else if (!pairwise &&
 570                          key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
 571                          NUM_DEFAULT_BEACON_KEYS)
 572                         key = rcu_dereference(sta->gtk[key_idx]);
 573         } else
 574                 key = rcu_dereference(sdata->keys[key_idx]);
 575
 576         if (!key)
 577                 goto out;
 578
 579         memset(&params, 0, sizeof(params));
 580
 581         params.cipher = key->conf.cipher;
 582
 583         switch (key->conf.cipher) {
 584         case WLAN_CIPHER_SUITE_TKIP:
 585                 pn64 = atomic64_read(&key->conf.tx_pn);
 586                 iv32 = TKIP_PN_TO_IV32(pn64);
 587                 iv16 = TKIP_PN_TO_IV16(pn64);
 588
 589                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 590                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 591                         drv_get_key_seq(sdata->local, key, &kseq);
 592                         iv32 = kseq.tkip.iv32;
 593                         iv16 = kseq.tkip.iv16;
 594                 }
 595
 596                 seq[0] = iv16 & 0xff;
 597                 seq[1] = (iv16 >> 8) & 0xff;
 598                 seq[2] = iv32 & 0xff;
 599                 seq[3] = (iv32 >> 8) & 0xff;
 600                 seq[4] = (iv32 >> 16) & 0xff;
 601                 seq[5] = (iv32 >> 24) & 0xff;
 602                 params.seq = seq;
 603                 params.seq_len = 6;
 604                 break;
 605         case WLAN_CIPHER_SUITE_CCMP:
 606         case WLAN_CIPHER_SUITE_CCMP_256:
 607         case WLAN_CIPHER_SUITE_AES_CMAC:
 608         case WLAN_CIPHER_SUITE_BIP_CMAC_256:
 609                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 610                              offsetof(typeof(kseq), aes_cmac));
 611                 fallthrough;
 612         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 613         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 614                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 615                              offsetof(typeof(kseq), aes_gmac));
 616                 fallthrough;
 617         case WLAN_CIPHER_SUITE_GCMP:
 618         case WLAN_CIPHER_SUITE_GCMP_256:
 619                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 620                              offsetof(typeof(kseq), gcmp));
 621
 622                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 623                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 624                         drv_get_key_seq(sdata->local, key, &kseq);
 625                         memcpy(seq, kseq.ccmp.pn, 6);
 626                 } else {
 627                         pn64 = atomic64_read(&key->conf.tx_pn);
 628                         seq[0] = pn64;
 629                         seq[1] = pn64 >> 8;
 630                         seq[2] = pn64 >> 16;
 631                         seq[3] = pn64 >> 24;
 632                         seq[4] = pn64 >> 32;
 633                         seq[5] = pn64 >> 40;
 634                 }
 635                 params.seq = seq;
 636                 params.seq_len = 6;
 637                 break;
 638         default:
 639                 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
 640                         break;
 641                 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
 642                         break;
 643                 drv_get_key_seq(sdata->local, key, &kseq);
 644                 params.seq = kseq.hw.seq;
 645                 params.seq_len = kseq.hw.seq_len;
 646                 break;
 647         }
 648
 649         params.key = key->conf.key;
 650         params.key_len = key->conf.keylen;
 651
 652         callback(cookie, &params);
 653         err = 0;
 654
 655  out:
 656         rcu_read_unlock();
 657         return err;
 658 }
 659
 660 static int ieee80211_config_default_key(struct wiphy *wiphy,
 661                                         struct net_device *dev,
 662                                         u8 key_idx, bool uni,
 663                                         bool multi)
 664 {
 665         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 666
 667         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 668
 669         return 0;
 670 }
 671
 672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 673                                              struct net_device *dev,
 674                                              u8 key_idx)
 675 {
 676         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 677
 678         ieee80211_set_default_mgmt_key(sdata, key_idx);
 679
 680         return 0;
 681 }
 682
 683 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
 684                                                struct net_device *dev,
 685                                                u8 key_idx)
 686 {
 687         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 688
 689         ieee80211_set_default_beacon_key(sdata, key_idx);
 690
 691         return 0;
 692 }
 693
 694 void sta_set_rate_info_tx(struct sta_info *sta,
 695                           const struct ieee80211_tx_rate *rate,
 696                           struct rate_info *rinfo)
 697 {
 698         rinfo->flags = 0;
 699         if (rate->flags & IEEE80211_TX_RC_MCS) {
 700                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 701                 rinfo->mcs = rate->idx;
 702         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 703                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 704                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 705                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 706         } else {
 707                 struct ieee80211_supported_band *sband;
 708                 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
 709                 u16 brate;
 710
 711                 sband = ieee80211_get_sband(sta->sdata);
 712                 if (sband) {
 713                         brate = sband->bitrates[rate->idx].bitrate;
 714                         rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
 715                 }
 716         }
 717         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 718                 rinfo->bw = RATE_INFO_BW_40;
 719         else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 720                 rinfo->bw = RATE_INFO_BW_80;
 721         else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 722                 rinfo->bw = RATE_INFO_BW_160;
 723         else
 724                 rinfo->bw = RATE_INFO_BW_20;
 725         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 726                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 727 }
 728
 729 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 730                                   int idx, u8 *mac, struct station_info *sinfo)
 731 {
 732         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 733         struct ieee80211_local *local = sdata->local;
 734         struct sta_info *sta;
 735         int ret = -ENOENT;
 736
 737         mutex_lock(&local->sta_mtx);
 738
 739         sta = sta_info_get_by_idx(sdata, idx);
 740         if (sta) {
 741                 ret = 0;
 742                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 743                 sta_set_sinfo(sta, sinfo, true);
 744         }
 745
 746         mutex_unlock(&local->sta_mtx);
 747
 748         return ret;
 749 }
 750
 751 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 752                                  int idx, struct survey_info *survey)
 753 {
 754         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 755
 756         return drv_get_survey(local, idx, survey);
 757 }
 758
 759 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 760                                  const u8 *mac, struct station_info *sinfo)
 761 {
 762         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 763         struct ieee80211_local *local = sdata->local;
 764         struct sta_info *sta;
 765         int ret = -ENOENT;
 766
 767         mutex_lock(&local->sta_mtx);
 768
 769         sta = sta_info_get_bss(sdata, mac);
 770         if (sta) {
 771                 ret = 0;
 772                 sta_set_sinfo(sta, sinfo, true);
 773         }
 774
 775         mutex_unlock(&local->sta_mtx);
 776
 777         return ret;
 778 }
 779
 780 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 781                                          struct cfg80211_chan_def *chandef)
 782 {
 783         struct ieee80211_local *local = wiphy_priv(wiphy);
 784         struct ieee80211_sub_if_data *sdata;
 785         int ret = 0;
 786
 787         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 788                 return 0;
 789
 790         mutex_lock(&local->mtx);
 791         if (local->use_chanctx) {
 792                 sdata = rtnl_dereference(local->monitor_sdata);
 793                 if (sdata) {
 794                         ieee80211_vif_release_channel(sdata);
 795                         ret = ieee80211_vif_use_channel(sdata, chandef,
 796                                         IEEE80211_CHANCTX_EXCLUSIVE);
 797                 }
 798         } else if (local->open_count == local->monitors) {
 799                 local->_oper_chandef = *chandef;
 800                 ieee80211_hw_config(local, 0);
 801         }
 802
 803         if (ret == 0)
 804                 local->monitor_chandef = *chandef;
 805         mutex_unlock(&local->mtx);
 806
 807         return ret;
 808 }
 809
 810 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 811                                     const u8 *resp, size_t resp_len,
 812                                     const struct ieee80211_csa_settings *csa)
 813 {
 814         struct probe_resp *new, *old;
 815
 816         if (!resp || !resp_len)
 817                 return 1;
 818
 819         old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
 820
 821         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 822         if (!new)
 823                 return -ENOMEM;
 824
 825         new->len = resp_len;
 826         memcpy(new->data, resp, resp_len);
 827
 828         if (csa)
 829                 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
 830                        csa->n_counter_offsets_presp *
 831                        sizeof(new->csa_counter_offsets[0]));
 832
 833         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 834         if (old)
 835                 kfree_rcu(old, rcu_head);
 836
 837         return 0;
 838 }
 839
 840 static int ieee80211_set_ftm_responder_params(
 841                                 struct ieee80211_sub_if_data *sdata,
 842                                 const u8 *lci, size_t lci_len,
 843                                 const u8 *civicloc, size_t civicloc_len)
 844 {
 845         struct ieee80211_ftm_responder_params *new, *old;
 846         struct ieee80211_bss_conf *bss_conf;
 847         u8 *pos;
 848         int len;
 849
 850         if (!lci_len && !civicloc_len)
 851                 return 0;
 852
 853         bss_conf = &sdata->vif.bss_conf;
 854         old = bss_conf->ftmr_params;
 855         len = lci_len + civicloc_len;
 856
 857         new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
 858         if (!new)
 859                 return -ENOMEM;
 860
 861         pos = (u8 *)(new + 1);
 862         if (lci_len) {
 863                 new->lci_len = lci_len;
 864                 new->lci = pos;
 865                 memcpy(pos, lci, lci_len);
 866                 pos += lci_len;
 867         }
 868
 869         if (civicloc_len) {
 870                 new->civicloc_len = civicloc_len;
 871                 new->civicloc = pos;
 872                 memcpy(pos, civicloc, civicloc_len);
 873                 pos += civicloc_len;
 874         }
 875
 876         bss_conf->ftmr_params = new;
 877         kfree(old);
 878
 879         return 0;
 880 }
 881
 882 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 883                                    struct cfg80211_beacon_data *params,
 884                                    const struct ieee80211_csa_settings *csa)
 885 {
 886         struct beacon_data *new, *old;
 887         int new_head_len, new_tail_len;
 888         int size, err;
 889         u32 changed = BSS_CHANGED_BEACON;
 890
 891         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 892
 893
 894         /* Need to have a beacon head if we don't have one yet */
 895         if (!params->head && !old)
 896                 return -EINVAL;
 897
 898         /* new or old head? */
 899         if (params->head)
 900                 new_head_len = params->head_len;
 901         else
 902                 new_head_len = old->head_len;
 903
 904         /* new or old tail? */
 905         if (params->tail || !old)
 906                 /* params->tail_len will be zero for !params->tail */
 907                 new_tail_len = params->tail_len;
 908         else
 909                 new_tail_len = old->tail_len;
 910
 911         size = sizeof(*new) + new_head_len + new_tail_len;
 912
 913         new = kzalloc(size, GFP_KERNEL);
 914         if (!new)
 915                 return -ENOMEM;
 916
 917         /* start filling the new info now */
 918
 919         /*
 920          * pointers go into the block we allocated,
 921          * memory is | beacon_data | head | tail |
 922          */
 923         new->head = ((u8 *) new) + sizeof(*new);
 924         new->tail = new->head + new_head_len;
 925         new->head_len = new_head_len;
 926         new->tail_len = new_tail_len;
 927
 928         if (csa) {
 929                 new->csa_current_counter = csa->count;
 930                 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
 931                        csa->n_counter_offsets_beacon *
 932                        sizeof(new->csa_counter_offsets[0]));
 933         }
 934
 935         /* copy in head */
 936         if (params->head)
 937                 memcpy(new->head, params->head, new_head_len);
 938         else
 939                 memcpy(new->head, old->head, new_head_len);
 940
 941         /* copy in optional tail */
 942         if (params->tail)
 943                 memcpy(new->tail, params->tail, new_tail_len);
 944         else
 945                 if (old)
 946                         memcpy(new->tail, old->tail, new_tail_len);
 947
 948         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 949                                        params->probe_resp_len, csa);
 950         if (err < 0) {
 951                 kfree(new);
 952                 return err;
 953         }
 954         if (err == 0)
 955                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 956
 957         if (params->ftm_responder != -1) {
 958                 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
 959                 err = ieee80211_set_ftm_responder_params(sdata,
 960                                                          params->lci,
 961                                                          params->lci_len,
 962                                                          params->civicloc,
 963                                                          params->civicloc_len);
 964
 965                 if (err < 0) {
 966                         kfree(new);
 967                         return err;
 968                 }
 969
 970                 changed |= BSS_CHANGED_FTM_RESPONDER;
 971         }
 972
 973         rcu_assign_pointer(sdata->u.ap.beacon, new);
 974
 975         if (old)
 976                 kfree_rcu(old, rcu_head);
 977
 978         return changed;
 979 }
 980
 981 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 982                               struct cfg80211_ap_settings *params)
 983 {
 984         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 985         struct ieee80211_local *local = sdata->local;
 986         struct beacon_data *old;
 987         struct ieee80211_sub_if_data *vlan;
 988         u32 changed = BSS_CHANGED_BEACON_INT |
 989                       BSS_CHANGED_BEACON_ENABLED |
 990                       BSS_CHANGED_BEACON |
 991                       BSS_CHANGED_SSID |
 992                       BSS_CHANGED_P2P_PS |
 993                       BSS_CHANGED_TXPOWER |
 994                       BSS_CHANGED_TWT;
 995         int i, err;
 996         int prev_beacon_int;
 997
 998         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 999         if (old)
1000                 return -EALREADY;
1001
1002         if (params->smps_mode != NL80211_SMPS_OFF)
1003                 return -ENOTSUPP;
1004
1005         sdata->smps_mode = IEEE80211_SMPS_OFF;
1006
1007         sdata->needed_rx_chains = sdata->local->rx_chains;
1008
1009         prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1010         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1011
1012         if (params->he_cap && params->he_oper) {
1013                 sdata->vif.bss_conf.he_support = true;
1014                 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1015                         le32_get_bits(params->he_oper->he_oper_params,
1016                               IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1017                 sdata->vif.bss_conf.frame_time_rts_th =
1018                         le32_get_bits(params->he_oper->he_oper_params,
1019                               IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1020                 changed |= BSS_CHANGED_HE_OBSS_PD;
1021
1022                 if (!params->he_bss_color.disabled)
1023                         changed |= BSS_CHANGED_HE_BSS_COLOR;
1024         }
1025
1026         mutex_lock(&local->mtx);
1027         err = ieee80211_vif_use_channel(sdata, &params->chandef,
1028                                         IEEE80211_CHANCTX_SHARED);
1029         if (!err)
1030                 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1031         mutex_unlock(&local->mtx);
1032         if (err) {
1033                 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1034                 return err;
1035         }
1036
1037         /*
1038          * Apply control port protocol, this allows us to
1039          * not encrypt dynamic WEP control frames.
1040          */
1041         sdata->control_port_protocol = params->crypto.control_port_ethertype;
1042         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1043         sdata->control_port_over_nl80211 =
1044                                 params->crypto.control_port_over_nl80211;
1045         sdata->control_port_no_preauth =
1046                                 params->crypto.control_port_no_preauth;
1047         sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1048                                                         &params->crypto,
1049                                                         sdata->vif.type);
1050
1051         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1052                 vlan->control_port_protocol =
1053                         params->crypto.control_port_ethertype;
1054                 vlan->control_port_no_encrypt =
1055                         params->crypto.control_port_no_encrypt;
1056                 vlan->control_port_over_nl80211 =
1057                         params->crypto.control_port_over_nl80211;
1058                 vlan->control_port_no_preauth =
1059                         params->crypto.control_port_no_preauth;
1060                 vlan->encrypt_headroom =
1061                         ieee80211_cs_headroom(sdata->local,
1062                                               &params->crypto,
1063                                               vlan->vif.type);
1064         }
1065
1066         sdata->vif.bss_conf.dtim_period = params->dtim_period;
1067         sdata->vif.bss_conf.enable_beacon = true;
1068         sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1069         sdata->vif.bss_conf.twt_responder = params->twt_responder;
1070         memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1071                sizeof(struct ieee80211_he_obss_pd));
1072         memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
1073                sizeof(struct ieee80211_he_bss_color));
1074
1075         sdata->vif.bss_conf.ssid_len = params->ssid_len;
1076         if (params->ssid_len)
1077                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1078                        params->ssid_len);
1079         sdata->vif.bss_conf.hidden_ssid =
1080                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1081
1082         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1083                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1084         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1085                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1086         if (params->p2p_opp_ps)
1087                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1088                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1089
1090         sdata->beacon_rate_set = false;
1091         if (wiphy_ext_feature_isset(local->hw.wiphy,
1092                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1093                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1094                         sdata->beacon_rateidx_mask[i] =
1095                                 params->beacon_rate.control[i].legacy;
1096                         if (sdata->beacon_rateidx_mask[i])
1097                                 sdata->beacon_rate_set = true;
1098                 }
1099         }
1100
1101         err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1102         if (err < 0) {
1103                 ieee80211_vif_release_channel(sdata);
1104                 return err;
1105         }
1106         changed |= err;
1107
1108         err = drv_start_ap(sdata->local, sdata);
1109         if (err) {
1110                 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1111
1112                 if (old)
1113                         kfree_rcu(old, rcu_head);
1114                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1115                 ieee80211_vif_release_channel(sdata);
1116                 return err;
1117         }
1118
1119         ieee80211_recalc_dtim(local, sdata);
1120         ieee80211_bss_info_change_notify(sdata, changed);
1121
1122         netif_carrier_on(dev);
1123         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1124                 netif_carrier_on(vlan->dev);
1125
1126         return 0;
1127 }
1128
1129 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1130                                    struct cfg80211_beacon_data *params)
1131 {
1132         struct ieee80211_sub_if_data *sdata;
1133         struct beacon_data *old;
1134         int err;
1135
1136         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1137         sdata_assert_lock(sdata);
1138
1139         /* don't allow changing the beacon while CSA is in place - offset
1140          * of channel switch counter may change
1141          */
1142         if (sdata->vif.csa_active)
1143                 return -EBUSY;
1144
1145         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1146         if (!old)
1147                 return -ENOENT;
1148
1149         err = ieee80211_assign_beacon(sdata, params, NULL);
1150         if (err < 0)
1151                 return err;
1152         ieee80211_bss_info_change_notify(sdata, err);
1153         return 0;
1154 }
1155
1156 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1157 {
1158         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1159         struct ieee80211_sub_if_data *vlan;
1160         struct ieee80211_local *local = sdata->local;
1161         struct beacon_data *old_beacon;
1162         struct probe_resp *old_probe_resp;
1163         struct cfg80211_chan_def chandef;
1164
1165         sdata_assert_lock(sdata);
1166
1167         old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1168         if (!old_beacon)
1169                 return -ENOENT;
1170         old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1171
1172         /* abort any running channel switch */
1173         mutex_lock(&local->mtx);
1174         sdata->vif.csa_active = false;
1175         if (sdata->csa_block_tx) {
1176                 ieee80211_wake_vif_queues(local, sdata,
1177                                           IEEE80211_QUEUE_STOP_REASON_CSA);
1178                 sdata->csa_block_tx = false;
1179         }
1180
1181         mutex_unlock(&local->mtx);
1182
1183         kfree(sdata->u.ap.next_beacon);
1184         sdata->u.ap.next_beacon = NULL;
1185
1186         /* turn off carrier for this interface and dependent VLANs */
1187         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1188                 netif_carrier_off(vlan->dev);
1189         netif_carrier_off(dev);
1190
1191         /* remove beacon and probe response */
1192         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1193         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1194         kfree_rcu(old_beacon, rcu_head);
1195         if (old_probe_resp)
1196                 kfree_rcu(old_probe_resp, rcu_head);
1197
1198         kfree(sdata->vif.bss_conf.ftmr_params);
1199         sdata->vif.bss_conf.ftmr_params = NULL;
1200
1201         __sta_info_flush(sdata, true);
1202         ieee80211_free_keys(sdata, true);
1203
1204         sdata->vif.bss_conf.enable_beacon = false;
1205         sdata->beacon_rate_set = false;
1206         sdata->vif.bss_conf.ssid_len = 0;
1207         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1208         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1209
1210         if (sdata->wdev.cac_started) {
1211                 chandef = sdata->vif.bss_conf.chandef;
1212                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1213                 cfg80211_cac_event(sdata->dev, &chandef,
1214                                    NL80211_RADAR_CAC_ABORTED,
1215                                    GFP_KERNEL);
1216         }
1217
1218         drv_stop_ap(sdata->local, sdata);
1219
1220         /* free all potentially still buffered bcast frames */
1221         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1222         ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1223
1224         mutex_lock(&local->mtx);
1225         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1226         ieee80211_vif_release_channel(sdata);
1227         mutex_unlock(&local->mtx);
1228
1229         return 0;
1230 }
1231
1232 static int sta_apply_auth_flags(struct ieee80211_local *local,
1233                                 struct sta_info *sta,
1234                                 u32 mask, u32 set)
1235 {
1236         int ret;
1237
1238         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1239             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1240             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1241                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1242                 if (ret)
1243                         return ret;
1244         }
1245
1246         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1247             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1248             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1249                 /*
1250                  * When peer becomes associated, init rate control as
1251                  * well. Some drivers require rate control initialized
1252                  * before drv_sta_state() is called.
1253                  */
1254                 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1255                         rate_control_rate_init(sta);
1256
1257                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1258                 if (ret)
1259                         return ret;
1260         }
1261
1262         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1263                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1264                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1265                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1266                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1267                 else
1268                         ret = 0;
1269                 if (ret)
1270                         return ret;
1271         }
1272
1273         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1274             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1275             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1276                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1277                 if (ret)
1278                         return ret;
1279         }
1280
1281         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1282             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1283             test_sta_flag(sta, WLAN_STA_AUTH)) {
1284                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1285                 if (ret)
1286                         return ret;
1287         }
1288
1289         return 0;
1290 }
1291
1292 static void sta_apply_mesh_params(struct ieee80211_local *local,
1293                                   struct sta_info *sta,
1294                                   struct station_parameters *params)
1295 {
1296 #ifdef CONFIG_MAC80211_MESH
1297         struct ieee80211_sub_if_data *sdata = sta->sdata;
1298         u32 changed = 0;
1299
1300         if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1301                 switch (params->plink_state) {
1302                 case NL80211_PLINK_ESTAB:
1303                         if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1304                                 changed = mesh_plink_inc_estab_count(sdata);
1305                         sta->mesh->plink_state = params->plink_state;
1306                         sta->mesh->aid = params->peer_aid;
1307
1308                         ieee80211_mps_sta_status_update(sta);
1309                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1310                                       sdata->u.mesh.mshcfg.power_mode);
1311
1312                         ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1313                         /* init at low value */
1314                         ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1315
1316                         break;
1317                 case NL80211_PLINK_LISTEN:
1318                 case NL80211_PLINK_BLOCKED:
1319                 case NL80211_PLINK_OPN_SNT:
1320                 case NL80211_PLINK_OPN_RCVD:
1321                 case NL80211_PLINK_CNF_RCVD:
1322                 case NL80211_PLINK_HOLDING:
1323                         if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1324                                 changed = mesh_plink_dec_estab_count(sdata);
1325                         sta->mesh->plink_state = params->plink_state;
1326
1327                         ieee80211_mps_sta_status_update(sta);
1328                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1329                                         NL80211_MESH_POWER_UNKNOWN);
1330                         break;
1331                 default:
1332                         /*  nothing  */
1333                         break;
1334                 }
1335         }
1336
1337         switch (params->plink_action) {
1338         case NL80211_PLINK_ACTION_NO_ACTION:
1339                 /* nothing */
1340                 break;
1341         case NL80211_PLINK_ACTION_OPEN:
1342                 changed |= mesh_plink_open(sta);
1343                 break;
1344         case NL80211_PLINK_ACTION_BLOCK:
1345                 changed |= mesh_plink_block(sta);
1346                 break;
1347         }
1348
1349         if (params->local_pm)
1350                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1351                                                           params->local_pm);
1352
1353         ieee80211_mbss_info_change_notify(sdata, changed);
1354 #endif
1355 }
1356
1357 static int sta_apply_parameters(struct ieee80211_local *local,
1358                                 struct sta_info *sta,
1359                                 struct station_parameters *params)
1360 {
1361         int ret = 0;
1362         struct ieee80211_supported_band *sband;
1363         struct ieee80211_sub_if_data *sdata = sta->sdata;
1364         u32 mask, set;
1365
1366         sband = ieee80211_get_sband(sdata);
1367         if (!sband)
1368                 return -EINVAL;
1369
1370         mask = params->sta_flags_mask;
1371         set = params->sta_flags_set;
1372
1373         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1374                 /*
1375                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1376                  * API but must follow AUTHENTICATED for driver state.
1377                  */
1378                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1379                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1380                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1381                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1382         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1383                 /*
1384                  * TDLS -- everything follows authorized, but
1385                  * only becoming authorized is possible, not
1386                  * going back
1387                  */
1388                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1389                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1390                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1391                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1392                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1393                 }
1394         }
1395
1396         if (mask & BIT(NL80211_STA_FLAG_WME) &&
1397             local->hw.queues >= IEEE80211_NUM_ACS)
1398                 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1399
1400         /* auth flags will be set later for TDLS,
1401          * and for unassociated stations that move to assocaited */
1402         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1403             !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1404               (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1405                 ret = sta_apply_auth_flags(local, sta, mask, set);
1406                 if (ret)
1407                         return ret;
1408         }
1409
1410         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1411                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1412                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1413                 else
1414                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1415         }
1416
1417         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1418                 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1419                 if (set & BIT(NL80211_STA_FLAG_MFP))
1420                         set_sta_flag(sta, WLAN_STA_MFP);
1421                 else
1422                         clear_sta_flag(sta, WLAN_STA_MFP);
1423         }
1424
1425         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1426                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1427                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1428                 else
1429                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1430         }
1431
1432         /* mark TDLS channel switch support, if the AP allows it */
1433         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1434             !sdata->u.mgd.tdls_chan_switch_prohibited &&
1435             params->ext_capab_len >= 4 &&
1436             params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1437                 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1438
1439         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1440             !sdata->u.mgd.tdls_wider_bw_prohibited &&
1441             ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1442             params->ext_capab_len >= 8 &&
1443             params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1444                 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1445
1446         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1447                 sta->sta.uapsd_queues = params->uapsd_queues;
1448                 sta->sta.max_sp = params->max_sp;
1449         }
1450
1451         /* The sender might not have sent the last bit, consider it to be 0 */
1452         if (params->ext_capab_len >= 8) {
1453                 u8 val = (params->ext_capab[7] &
1454                           WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1455
1456                 /* we did get all the bits, take the MSB as well */
1457                 if (params->ext_capab_len >= 9) {
1458                         u8 val_msb = params->ext_capab[8] &
1459                                 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1460                         val_msb <<= 1;
1461                         val |= val_msb;
1462                 }
1463
1464                 switch (val) {
1465                 case 1:
1466                         sta->sta.max_amsdu_subframes = 32;
1467                         break;
1468                 case 2:
1469                         sta->sta.max_amsdu_subframes = 16;
1470                         break;
1471                 case 3:
1472                         sta->sta.max_amsdu_subframes = 8;
1473                         break;
1474                 default:
1475                         sta->sta.max_amsdu_subframes = 0;
1476                 }
1477         }
1478
1479         /*
1480          * cfg80211 validates this (1-2007) and allows setting the AID
1481          * only when creating a new station entry
1482          */
1483         if (params->aid)
1484                 sta->sta.aid = params->aid;
1485
1486         /*
1487          * Some of the following updates would be racy if called on an
1488          * existing station, via ieee80211_change_station(). However,
1489          * all such changes are rejected by cfg80211 except for updates
1490          * changing the supported rates on an existing but not yet used
1491          * TDLS peer.
1492          */
1493
1494         if (params->listen_interval >= 0)
1495                 sta->listen_interval = params->listen_interval;
1496
1497         if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1498                 sta->sta.txpwr.type = params->txpwr.type;
1499                 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1500                         sta->sta.txpwr.power = params->txpwr.power;
1501                 ret = drv_sta_set_txpwr(local, sdata, sta);
1502                 if (ret)
1503                         return ret;
1504         }
1505
1506         if (params->supported_rates && params->supported_rates_len) {
1507                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1508                                          sband, params->supported_rates,
1509                                          params->supported_rates_len,
1510                                          &sta->sta.supp_rates[sband->band]);
1511         }
1512
1513         if (params->ht_capa)
1514                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1515                                                   params->ht_capa, sta);
1516
1517         /* VHT can override some HT caps such as the A-MSDU max length */
1518         if (params->vht_capa)
1519                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1520                                                     params->vht_capa, sta);
1521
1522         if (params->he_capa)
1523                 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1524                                                   (void *)params->he_capa,
1525                                                   params->he_capa_len,
1526                                                   (void *)params->he_6ghz_capa,
1527                                                   sta);
1528
1529         if (params->opmode_notif_used) {
1530                 /* returned value is only needed for rc update, but the
1531                  * rc isn't initialized here yet, so ignore it
1532                  */
1533                 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1534                                               sband->band);
1535         }
1536
1537         if (params->support_p2p_ps >= 0)
1538                 sta->sta.support_p2p_ps = params->support_p2p_ps;
1539
1540         if (ieee80211_vif_is_mesh(&sdata->vif))
1541                 sta_apply_mesh_params(local, sta, params);
1542
1543         if (params->airtime_weight)
1544                 sta->airtime_weight = params->airtime_weight;
1545
1546         /* set the STA state after all sta info from usermode has been set */
1547         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1548             set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1549                 ret = sta_apply_auth_flags(local, sta, mask, set);
1550                 if (ret)
1551                         return ret;
1552         }
1553
1554         return 0;
1555 }
1556
1557 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1558                                  const u8 *mac,
1559                                  struct station_parameters *params)
1560 {
1561         struct ieee80211_local *local = wiphy_priv(wiphy);
1562         struct sta_info *sta;
1563         struct ieee80211_sub_if_data *sdata;
1564         int err;
1565
1566         if (params->vlan) {
1567                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1568
1569                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1570                     sdata->vif.type != NL80211_IFTYPE_AP)
1571                         return -EINVAL;
1572         } else
1573                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1574
1575         if (ether_addr_equal(mac, sdata->vif.addr))
1576                 return -EINVAL;
1577
1578         if (!is_valid_ether_addr(mac))
1579                 return -EINVAL;
1580
1581         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1582             sdata->vif.type == NL80211_IFTYPE_STATION &&
1583             !sdata->u.mgd.associated)
1584                 return -EINVAL;
1585
1586         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1587         if (!sta)
1588                 return -ENOMEM;
1589
1590         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1591                 sta->sta.tdls = true;
1592
1593         err = sta_apply_parameters(local, sta, params);
1594         if (err) {
1595                 sta_info_free(local, sta);
1596                 return err;
1597         }
1598
1599         /*
1600          * for TDLS and for unassociated station, rate control should be
1601          * initialized only when rates are known and station is marked
1602          * authorized/associated
1603          */
1604         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1605             test_sta_flag(sta, WLAN_STA_ASSOC))
1606                 rate_control_rate_init(sta);
1607
1608         err = sta_info_insert_rcu(sta);
1609         if (err) {
1610                 rcu_read_unlock();
1611                 return err;
1612         }
1613
1614         rcu_read_unlock();
1615
1616         return 0;
1617 }
1618
1619 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1620                                  struct station_del_parameters *params)
1621 {
1622         struct ieee80211_sub_if_data *sdata;
1623
1624         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1625
1626         if (params->mac)
1627                 return sta_info_destroy_addr_bss(sdata, params->mac);
1628
1629         sta_info_flush(sdata);
1630         return 0;
1631 }
1632
1633 static int ieee80211_change_station(struct wiphy *wiphy,
1634                                     struct net_device *dev, const u8 *mac,
1635                                     struct station_parameters *params)
1636 {
1637         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1638         struct ieee80211_local *local = wiphy_priv(wiphy);
1639         struct sta_info *sta;
1640         struct ieee80211_sub_if_data *vlansdata;
1641         enum cfg80211_station_type statype;
1642         int err;
1643
1644         mutex_lock(&local->sta_mtx);
1645
1646         sta = sta_info_get_bss(sdata, mac);
1647         if (!sta) {
1648                 err = -ENOENT;
1649                 goto out_err;
1650         }
1651
1652         switch (sdata->vif.type) {
1653         case NL80211_IFTYPE_MESH_POINT:
1654                 if (sdata->u.mesh.user_mpm)
1655                         statype = CFG80211_STA_MESH_PEER_USER;
1656                 else
1657                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1658                 break;
1659         case NL80211_IFTYPE_ADHOC:
1660                 statype = CFG80211_STA_IBSS;
1661                 break;
1662         case NL80211_IFTYPE_STATION:
1663                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1664                         statype = CFG80211_STA_AP_STA;
1665                         break;
1666                 }
1667                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1668                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1669                 else
1670                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1671                 break;
1672         case NL80211_IFTYPE_AP:
1673         case NL80211_IFTYPE_AP_VLAN:
1674                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1675                         statype = CFG80211_STA_AP_CLIENT;
1676                 else
1677                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1678                 break;
1679         default:
1680                 err = -EOPNOTSUPP;
1681                 goto out_err;
1682         }
1683
1684         err = cfg80211_check_station_change(wiphy, params, statype);
1685         if (err)
1686                 goto out_err;
1687
1688         if (params->vlan && params->vlan != sta->sdata->dev) {
1689                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1690
1691                 if (params->vlan->ieee80211_ptr->use_4addr) {
1692                         if (vlansdata->u.vlan.sta) {
1693                                 err = -EBUSY;
1694                                 goto out_err;
1695                         }
1696
1697                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1698                         __ieee80211_check_fast_rx_iface(vlansdata);
1699                 }
1700
1701                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1702                     sta->sdata->u.vlan.sta)
1703                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1704
1705                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1706                         ieee80211_vif_dec_num_mcast(sta->sdata);
1707
1708                 sta->sdata = vlansdata;
1709                 ieee80211_check_fast_xmit(sta);
1710
1711                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1712                         ieee80211_vif_inc_num_mcast(sta->sdata);
1713                         cfg80211_send_layer2_update(sta->sdata->dev,
1714                                                     sta->sta.addr);
1715                 }
1716         }
1717
1718         err = sta_apply_parameters(local, sta, params);
1719         if (err)
1720                 goto out_err;
1721
1722         mutex_unlock(&local->sta_mtx);
1723
1724         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1725             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1726                 ieee80211_recalc_ps(local);
1727                 ieee80211_recalc_ps_vif(sdata);
1728         }
1729
1730         return 0;
1731 out_err:
1732         mutex_unlock(&local->sta_mtx);
1733         return err;
1734 }
1735
1736 #ifdef CONFIG_MAC80211_MESH
1737 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1738                                const u8 *dst, const u8 *next_hop)
1739 {
1740         struct ieee80211_sub_if_data *sdata;
1741         struct mesh_path *mpath;
1742         struct sta_info *sta;
1743
1744         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1745
1746         rcu_read_lock();
1747         sta = sta_info_get(sdata, next_hop);
1748         if (!sta) {
1749                 rcu_read_unlock();
1750                 return -ENOENT;
1751         }
1752
1753         mpath = mesh_path_add(sdata, dst);
1754         if (IS_ERR(mpath)) {
1755                 rcu_read_unlock();
1756                 return PTR_ERR(mpath);
1757         }
1758
1759         mesh_path_fix_nexthop(mpath, sta);
1760
1761         rcu_read_unlock();
1762         return 0;
1763 }
1764
1765 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1766                                const u8 *dst)
1767 {
1768         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769
1770         if (dst)
1771                 return mesh_path_del(sdata, dst);
1772
1773         mesh_path_flush_by_iface(sdata);
1774         return 0;
1775 }
1776
1777 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1778                                   const u8 *dst, const u8 *next_hop)
1779 {
1780         struct ieee80211_sub_if_data *sdata;
1781         struct mesh_path *mpath;
1782         struct sta_info *sta;
1783
1784         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1785
1786         rcu_read_lock();
1787
1788         sta = sta_info_get(sdata, next_hop);
1789         if (!sta) {
1790                 rcu_read_unlock();
1791                 return -ENOENT;
1792         }
1793
1794         mpath = mesh_path_lookup(sdata, dst);
1795         if (!mpath) {
1796                 rcu_read_unlock();
1797                 return -ENOENT;
1798         }
1799
1800         mesh_path_fix_nexthop(mpath, sta);
1801
1802         rcu_read_unlock();
1803         return 0;
1804 }
1805
1806 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1807                             struct mpath_info *pinfo)
1808 {
1809         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1810
1811         if (next_hop_sta)
1812                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1813         else
1814                 eth_zero_addr(next_hop);
1815
1816         memset(pinfo, 0, sizeof(*pinfo));
1817
1818         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1819
1820         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1821                         MPATH_INFO_SN |
1822                         MPATH_INFO_METRIC |
1823                         MPATH_INFO_EXPTIME |
1824                         MPATH_INFO_DISCOVERY_TIMEOUT |
1825                         MPATH_INFO_DISCOVERY_RETRIES |
1826                         MPATH_INFO_FLAGS |
1827                         MPATH_INFO_HOP_COUNT |
1828                         MPATH_INFO_PATH_CHANGE;
1829
1830         pinfo->frame_qlen = mpath->frame_queue.qlen;
1831         pinfo->sn = mpath->sn;
1832         pinfo->metric = mpath->metric;
1833         if (time_before(jiffies, mpath->exp_time))
1834                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1835         pinfo->discovery_timeout =
1836                         jiffies_to_msecs(mpath->discovery_timeout);
1837         pinfo->discovery_retries = mpath->discovery_retries;
1838         if (mpath->flags & MESH_PATH_ACTIVE)
1839                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1840         if (mpath->flags & MESH_PATH_RESOLVING)
1841                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1842         if (mpath->flags & MESH_PATH_SN_VALID)
1843                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1844         if (mpath->flags & MESH_PATH_FIXED)
1845                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1846         if (mpath->flags & MESH_PATH_RESOLVED)
1847                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1848         pinfo->hop_count = mpath->hop_count;
1849         pinfo->path_change_count = mpath->path_change_count;
1850 }
1851
1852 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1853                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1854
1855 {
1856         struct ieee80211_sub_if_data *sdata;
1857         struct mesh_path *mpath;
1858
1859         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1860
1861         rcu_read_lock();
1862         mpath = mesh_path_lookup(sdata, dst);
1863         if (!mpath) {
1864                 rcu_read_unlock();
1865                 return -ENOENT;
1866         }
1867         memcpy(dst, mpath->dst, ETH_ALEN);
1868         mpath_set_pinfo(mpath, next_hop, pinfo);
1869         rcu_read_unlock();
1870         return 0;
1871 }
1872
1873 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1874                                 int idx, u8 *dst, u8 *next_hop,
1875                                 struct mpath_info *pinfo)
1876 {
1877         struct ieee80211_sub_if_data *sdata;
1878         struct mesh_path *mpath;
1879
1880         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1881
1882         rcu_read_lock();
1883         mpath = mesh_path_lookup_by_idx(sdata, idx);
1884         if (!mpath) {
1885                 rcu_read_unlock();
1886                 return -ENOENT;
1887         }
1888         memcpy(dst, mpath->dst, ETH_ALEN);
1889         mpath_set_pinfo(mpath, next_hop, pinfo);
1890         rcu_read_unlock();
1891         return 0;
1892 }
1893
1894 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1895                           struct mpath_info *pinfo)
1896 {
1897         memset(pinfo, 0, sizeof(*pinfo));
1898         memcpy(mpp, mpath->mpp, ETH_ALEN);
1899
1900         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1901 }
1902
1903 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1904                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1905
1906 {
1907         struct ieee80211_sub_if_data *sdata;
1908         struct mesh_path *mpath;
1909
1910         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1911
1912         rcu_read_lock();
1913         mpath = mpp_path_lookup(sdata, dst);
1914         if (!mpath) {
1915                 rcu_read_unlock();
1916                 return -ENOENT;
1917         }
1918         memcpy(dst, mpath->dst, ETH_ALEN);
1919         mpp_set_pinfo(mpath, mpp, pinfo);
1920         rcu_read_unlock();
1921         return 0;
1922 }
1923
1924 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1925                               int idx, u8 *dst, u8 *mpp,
1926                               struct mpath_info *pinfo)
1927 {
1928         struct ieee80211_sub_if_data *sdata;
1929         struct mesh_path *mpath;
1930
1931         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1932
1933         rcu_read_lock();
1934         mpath = mpp_path_lookup_by_idx(sdata, idx);
1935         if (!mpath) {
1936                 rcu_read_unlock();
1937                 return -ENOENT;
1938         }
1939         memcpy(dst, mpath->dst, ETH_ALEN);
1940         mpp_set_pinfo(mpath, mpp, pinfo);
1941         rcu_read_unlock();
1942         return 0;
1943 }
1944
1945 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1946                                 struct net_device *dev,
1947                                 struct mesh_config *conf)
1948 {
1949         struct ieee80211_sub_if_data *sdata;
1950         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1951
1952         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1953         return 0;
1954 }
1955
1956 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1957 {
1958         return (mask >> (parm-1)) & 0x1;
1959 }
1960
1961 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1962                 const struct mesh_setup *setup)
1963 {
1964         u8 *new_ie;
1965         const u8 *old_ie;
1966         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1967                                         struct ieee80211_sub_if_data, u.mesh);
1968         int i;
1969
1970         /* allocate information elements */
1971         new_ie = NULL;
1972         old_ie = ifmsh->ie;
1973
1974         if (setup->ie_len) {
1975                 new_ie = kmemdup(setup->ie, setup->ie_len,
1976                                 GFP_KERNEL);
1977                 if (!new_ie)
1978                         return -ENOMEM;
1979         }
1980         ifmsh->ie_len = setup->ie_len;
1981         ifmsh->ie = new_ie;
1982         kfree(old_ie);
1983
1984         /* now copy the rest of the setup parameters */
1985         ifmsh->mesh_id_len = setup->mesh_id_len;
1986         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1987         ifmsh->mesh_sp_id = setup->sync_method;
1988         ifmsh->mesh_pp_id = setup->path_sel_proto;
1989         ifmsh->mesh_pm_id = setup->path_metric;
1990         ifmsh->user_mpm = setup->user_mpm;
1991         ifmsh->mesh_auth_id = setup->auth_id;
1992         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1993         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1994         if (setup->is_authenticated)
1995                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1996         if (setup->is_secure)
1997                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1998
1999         /* mcast rate setting in Mesh Node */
2000         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2001                                                 sizeof(setup->mcast_rate));
2002         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2003
2004         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2005         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2006
2007         sdata->beacon_rate_set = false;
2008         if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2009                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2010                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2011                         sdata->beacon_rateidx_mask[i] =
2012                                 setup->beacon_rate.control[i].legacy;
2013                         if (sdata->beacon_rateidx_mask[i])
2014                                 sdata->beacon_rate_set = true;
2015                 }
2016         }
2017
2018         return 0;
2019 }
2020
2021 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2022                                         struct net_device *dev, u32 mask,
2023                                         const struct mesh_config *nconf)
2024 {
2025         struct mesh_config *conf;
2026         struct ieee80211_sub_if_data *sdata;
2027         struct ieee80211_if_mesh *ifmsh;
2028
2029         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2030         ifmsh = &sdata->u.mesh;
2031
2032         /* Set the config options which we are interested in setting */
2033         conf = &(sdata->u.mesh.mshcfg);
2034         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2035                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2036         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2037                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2038         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2039                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2040         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2041                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2042         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2043                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2044         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2045                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2046         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2047                 conf->element_ttl = nconf->element_ttl;
2048         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2049                 if (ifmsh->user_mpm)
2050                         return -EBUSY;
2051                 conf->auto_open_plinks = nconf->auto_open_plinks;
2052         }
2053         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2054                 conf->dot11MeshNbrOffsetMaxNeighbor =
2055                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2056         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2057                 conf->dot11MeshHWMPmaxPREQretries =
2058                         nconf->dot11MeshHWMPmaxPREQretries;
2059         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2060                 conf->path_refresh_time = nconf->path_refresh_time;
2061         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2062                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2063         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2064                 conf->dot11MeshHWMPactivePathTimeout =
2065                         nconf->dot11MeshHWMPactivePathTimeout;
2066         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2067                 conf->dot11MeshHWMPpreqMinInterval =
2068                         nconf->dot11MeshHWMPpreqMinInterval;
2069         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2070                 conf->dot11MeshHWMPperrMinInterval =
2071                         nconf->dot11MeshHWMPperrMinInterval;
2072         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2073                            mask))
2074                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2075                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2076         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2077                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2078                 ieee80211_mesh_root_setup(ifmsh);
2079         }
2080         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2081                 /* our current gate announcement implementation rides on root
2082                  * announcements, so require this ifmsh to also be a root node
2083                  * */
2084                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2085                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2086                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2087                         ieee80211_mesh_root_setup(ifmsh);
2088                 }
2089                 conf->dot11MeshGateAnnouncementProtocol =
2090                         nconf->dot11MeshGateAnnouncementProtocol;
2091         }
2092         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2093                 conf->dot11MeshHWMPRannInterval =
2094                         nconf->dot11MeshHWMPRannInterval;
2095         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2096                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2097         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2098                 /* our RSSI threshold implementation is supported only for
2099                  * devices that report signal in dBm.
2100                  */
2101                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2102                         return -ENOTSUPP;
2103                 conf->rssi_threshold = nconf->rssi_threshold;
2104         }
2105         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2106                 conf->ht_opmode = nconf->ht_opmode;
2107                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2108                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2109         }
2110         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2111                 conf->dot11MeshHWMPactivePathToRootTimeout =
2112                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2113         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2114                 conf->dot11MeshHWMProotInterval =
2115                         nconf->dot11MeshHWMProotInterval;
2116         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2117                 conf->dot11MeshHWMPconfirmationInterval =
2118                         nconf->dot11MeshHWMPconfirmationInterval;
2119         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2120                 conf->power_mode = nconf->power_mode;
2121                 ieee80211_mps_local_status_update(sdata);
2122         }
2123         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2124                 conf->dot11MeshAwakeWindowDuration =
2125                         nconf->dot11MeshAwakeWindowDuration;
2126         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2127                 conf->plink_timeout = nconf->plink_timeout;
2128         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2129                 conf->dot11MeshConnectedToMeshGate =
2130                         nconf->dot11MeshConnectedToMeshGate;
2131         if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2132                 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2133         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2134                 conf->dot11MeshConnectedToAuthServer =
2135                         nconf->dot11MeshConnectedToAuthServer;
2136         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2137         return 0;
2138 }
2139
2140 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2141                                const struct mesh_config *conf,
2142                                const struct mesh_setup *setup)
2143 {
2144         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2145         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2146         int err;
2147
2148         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2149         err = copy_mesh_setup(ifmsh, setup);
2150         if (err)
2151                 return err;
2152
2153         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2154
2155         /* can mesh use other SMPS modes? */
2156         sdata->smps_mode = IEEE80211_SMPS_OFF;
2157         sdata->needed_rx_chains = sdata->local->rx_chains;
2158
2159         mutex_lock(&sdata->local->mtx);
2160         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2161                                         IEEE80211_CHANCTX_SHARED);
2162         mutex_unlock(&sdata->local->mtx);
2163         if (err)
2164                 return err;
2165
2166         return ieee80211_start_mesh(sdata);
2167 }
2168
2169 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2170 {
2171         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2172
2173         ieee80211_stop_mesh(sdata);
2174         mutex_lock(&sdata->local->mtx);
2175         ieee80211_vif_release_channel(sdata);
2176         mutex_unlock(&sdata->local->mtx);
2177
2178         return 0;
2179 }
2180 #endif
2181
2182 static int ieee80211_change_bss(struct wiphy *wiphy,
2183                                 struct net_device *dev,
2184                                 struct bss_parameters *params)
2185 {
2186         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2187         struct ieee80211_supported_band *sband;
2188         u32 changed = 0;
2189
2190         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2191                 return -ENOENT;
2192
2193         sband = ieee80211_get_sband(sdata);
2194         if (!sband)
2195                 return -EINVAL;
2196
2197         if (params->use_cts_prot >= 0) {
2198                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2199                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2200         }
2201         if (params->use_short_preamble >= 0) {
2202                 sdata->vif.bss_conf.use_short_preamble =
2203                         params->use_short_preamble;
2204                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2205         }
2206
2207         if (!sdata->vif.bss_conf.use_short_slot &&
2208             (sband->band == NL80211_BAND_5GHZ ||
2209              sband->band == NL80211_BAND_6GHZ)) {
2210                 sdata->vif.bss_conf.use_short_slot = true;
2211                 changed |= BSS_CHANGED_ERP_SLOT;
2212         }
2213
2214         if (params->use_short_slot_time >= 0) {
2215                 sdata->vif.bss_conf.use_short_slot =
2216                         params->use_short_slot_time;
2217                 changed |= BSS_CHANGED_ERP_SLOT;
2218         }
2219
2220         if (params->basic_rates) {
2221                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2222                                          wiphy->bands[sband->band],
2223                                          params->basic_rates,
2224                                          params->basic_rates_len,
2225                                          &sdata->vif.bss_conf.basic_rates);
2226                 changed |= BSS_CHANGED_BASIC_RATES;
2227                 ieee80211_check_rate_mask(sdata);
2228         }
2229
2230         if (params->ap_isolate >= 0) {
2231                 if (params->ap_isolate)
2232                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2233                 else
2234                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2235                 ieee80211_check_fast_rx_iface(sdata);
2236         }
2237
2238         if (params->ht_opmode >= 0) {
2239                 sdata->vif.bss_conf.ht_operation_mode =
2240                         (u16) params->ht_opmode;
2241                 changed |= BSS_CHANGED_HT;
2242         }
2243
2244         if (params->p2p_ctwindow >= 0) {
2245                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2246                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2247                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2248                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2249                 changed |= BSS_CHANGED_P2P_PS;
2250         }
2251
2252         if (params->p2p_opp_ps > 0) {
2253                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2254                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2255                 changed |= BSS_CHANGED_P2P_PS;
2256         } else if (params->p2p_opp_ps == 0) {
2257                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2258                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2259                 changed |= BSS_CHANGED_P2P_PS;
2260         }
2261
2262         ieee80211_bss_info_change_notify(sdata, changed);
2263
2264         return 0;
2265 }
2266
2267 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2268                                     struct net_device *dev,
2269                                     struct ieee80211_txq_params *params)
2270 {
2271         struct ieee80211_local *local = wiphy_priv(wiphy);
2272         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2273         struct ieee80211_tx_queue_params p;
2274
2275         if (!local->ops->conf_tx)
2276                 return -EOPNOTSUPP;
2277
2278         if (local->hw.queues < IEEE80211_NUM_ACS)
2279                 return -EOPNOTSUPP;
2280
2281         memset(&p, 0, sizeof(p));
2282         p.aifs = params->aifs;
2283         p.cw_max = params->cwmax;
2284         p.cw_min = params->cwmin;
2285         p.txop = params->txop;
2286
2287         /*
2288          * Setting tx queue params disables u-apsd because it's only
2289          * called in master mode.
2290          */
2291         p.uapsd = false;
2292
2293         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2294
2295         sdata->tx_conf[params->ac] = p;
2296         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2297                 wiphy_debug(local->hw.wiphy,
2298                             "failed to set TX queue parameters for AC %d\n",
2299                             params->ac);
2300                 return -EINVAL;
2301         }
2302
2303         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2304
2305         return 0;
2306 }
2307
2308 #ifdef CONFIG_PM
2309 static int ieee80211_suspend(struct wiphy *wiphy,
2310                              struct cfg80211_wowlan *wowlan)
2311 {
2312         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2313 }
2314
2315 static int ieee80211_resume(struct wiphy *wiphy)
2316 {
2317         return __ieee80211_resume(wiphy_priv(wiphy));
2318 }
2319 #else
2320 #define ieee80211_suspend NULL
2321 #define ieee80211_resume NULL
2322 #endif
2323
2324 static int ieee80211_scan(struct wiphy *wiphy,
2325                           struct cfg80211_scan_request *req)
2326 {
2327         struct ieee80211_sub_if_data *sdata;
2328
2329         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2330
2331         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2332         case NL80211_IFTYPE_STATION:
2333         case NL80211_IFTYPE_ADHOC:
2334         case NL80211_IFTYPE_MESH_POINT:
2335         case NL80211_IFTYPE_P2P_CLIENT:
2336         case NL80211_IFTYPE_P2P_DEVICE:
2337                 break;
2338         case NL80211_IFTYPE_P2P_GO:
2339                 if (sdata->local->ops->hw_scan)
2340                         break;
2341                 /*
2342                  * FIXME: implement NoA while scanning in software,
2343                  * for now fall through to allow scanning only when
2344                  * beaconing hasn't been configured yet
2345                  */
2346                 fallthrough;
2347         case NL80211_IFTYPE_AP:
2348                 /*
2349                  * If the scan has been forced (and the driver supports
2350                  * forcing), don't care about being beaconing already.
2351                  * This will create problems to the attached stations (e.g. all
2352                  * the  frames sent while scanning on other channel will be
2353                  * lost)
2354                  */
2355                 if (sdata->u.ap.beacon &&
2356                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2357                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2358                         return -EOPNOTSUPP;
2359                 break;
2360         case NL80211_IFTYPE_NAN:
2361         default:
2362                 return -EOPNOTSUPP;
2363         }
2364
2365         return ieee80211_request_scan(sdata, req);
2366 }
2367
2368 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2369 {
2370         ieee80211_scan_cancel(wiphy_priv(wiphy));
2371 }
2372
2373 static int
2374 ieee80211_sched_scan_start(struct wiphy *wiphy,
2375                            struct net_device *dev,
2376                            struct cfg80211_sched_scan_request *req)
2377 {
2378         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2379
2380         if (!sdata->local->ops->sched_scan_start)
2381                 return -EOPNOTSUPP;
2382
2383         return ieee80211_request_sched_scan_start(sdata, req);
2384 }
2385
2386 static int
2387 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2388                           u64 reqid)
2389 {
2390         struct ieee80211_local *local = wiphy_priv(wiphy);
2391
2392         if (!local->ops->sched_scan_stop)
2393                 return -EOPNOTSUPP;
2394
2395         return ieee80211_request_sched_scan_stop(local);
2396 }
2397
2398 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2399                           struct cfg80211_auth_request *req)
2400 {
2401         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2402 }
2403
2404 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2405                            struct cfg80211_assoc_request *req)
2406 {
2407         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2408 }
2409
2410 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2411                             struct cfg80211_deauth_request *req)
2412 {
2413         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2414 }
2415
2416 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2417                               struct cfg80211_disassoc_request *req)
2418 {
2419         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2420 }
2421
2422 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2423                                struct cfg80211_ibss_params *params)
2424 {
2425         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2426 }
2427
2428 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2429 {
2430         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2431 }
2432
2433 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2434                               struct ocb_setup *setup)
2435 {
2436         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2437 }
2438
2439 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2440 {
2441         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2442 }
2443
2444 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2445                                     int rate[NUM_NL80211_BANDS])
2446 {
2447         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2448
2449         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2450                sizeof(int) * NUM_NL80211_BANDS);
2451
2452         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2453
2454         return 0;
2455 }
2456
2457 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2458 {
2459         struct ieee80211_local *local = wiphy_priv(wiphy);
2460         int err;
2461
2462         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2463                 ieee80211_check_fast_xmit_all(local);
2464
2465                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2466
2467                 if (err) {
2468                         ieee80211_check_fast_xmit_all(local);
2469                         return err;
2470                 }
2471         }
2472
2473         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2474             (changed & WIPHY_PARAM_DYN_ACK)) {
2475                 s16 coverage_class;
2476
2477                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2478                                         wiphy->coverage_class : -1;
2479                 err = drv_set_coverage_class(local, coverage_class);
2480
2481                 if (err)
2482                         return err;
2483         }
2484
2485         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2486                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2487
2488                 if (err)
2489                         return err;
2490         }
2491
2492         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2493                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2494                         return -EINVAL;
2495                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2496         }
2497         if (changed & WIPHY_PARAM_RETRY_LONG) {
2498                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2499                         return -EINVAL;
2500                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2501         }
2502         if (changed &
2503             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2504                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2505
2506         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2507                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2508                        WIPHY_PARAM_TXQ_QUANTUM))
2509                 ieee80211_txq_set_params(local);
2510
2511         return 0;
2512 }
2513
2514 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2515                                   struct wireless_dev *wdev,
2516                                   enum nl80211_tx_power_setting type, int mbm)
2517 {
2518         struct ieee80211_local *local = wiphy_priv(wiphy);
2519         struct ieee80211_sub_if_data *sdata;
2520         enum nl80211_tx_power_setting txp_type = type;
2521         bool update_txp_type = false;
2522         bool has_monitor = false;
2523
2524         if (wdev) {
2525                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2526
2527                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2528                         sdata = rtnl_dereference(local->monitor_sdata);
2529                         if (!sdata)
2530                                 return -EOPNOTSUPP;
2531                 }
2532
2533                 switch (type) {
2534                 case NL80211_TX_POWER_AUTOMATIC:
2535                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2536                         txp_type = NL80211_TX_POWER_LIMITED;
2537                         break;
2538                 case NL80211_TX_POWER_LIMITED:
2539                 case NL80211_TX_POWER_FIXED:
2540                         if (mbm < 0 || (mbm % 100))
2541                                 return -EOPNOTSUPP;
2542                         sdata->user_power_level = MBM_TO_DBM(mbm);
2543                         break;
2544                 }
2545
2546                 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2547                         update_txp_type = true;
2548                         sdata->vif.bss_conf.txpower_type = txp_type;
2549                 }
2550
2551                 ieee80211_recalc_txpower(sdata, update_txp_type);
2552
2553                 return 0;
2554         }
2555
2556         switch (type) {
2557         case NL80211_TX_POWER_AUTOMATIC:
2558                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2559                 txp_type = NL80211_TX_POWER_LIMITED;
2560                 break;
2561         case NL80211_TX_POWER_LIMITED:
2562         case NL80211_TX_POWER_FIXED:
2563                 if (mbm < 0 || (mbm % 100))
2564                         return -EOPNOTSUPP;
2565                 local->user_power_level = MBM_TO_DBM(mbm);
2566                 break;
2567         }
2568
2569         mutex_lock(&local->iflist_mtx);
2570         list_for_each_entry(sdata, &local->interfaces, list) {
2571                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2572                         has_monitor = true;
2573                         continue;
2574                 }
2575                 sdata->user_power_level = local->user_power_level;
2576                 if (txp_type != sdata->vif.bss_conf.txpower_type)
2577                         update_txp_type = true;
2578                 sdata->vif.bss_conf.txpower_type = txp_type;
2579         }
2580         list_for_each_entry(sdata, &local->interfaces, list) {
2581                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2582                         continue;
2583                 ieee80211_recalc_txpower(sdata, update_txp_type);
2584         }
2585         mutex_unlock(&local->iflist_mtx);
2586
2587         if (has_monitor) {
2588                 sdata = rtnl_dereference(local->monitor_sdata);
2589                 if (sdata) {
2590                         sdata->user_power_level = local->user_power_level;
2591                         if (txp_type != sdata->vif.bss_conf.txpower_type)
2592                                 update_txp_type = true;
2593                         sdata->vif.bss_conf.txpower_type = txp_type;
2594
2595                         ieee80211_recalc_txpower(sdata, update_txp_type);
2596                 }
2597         }
2598
2599         return 0;
2600 }
2601
2602 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2603                                   struct wireless_dev *wdev,
2604                                   int *dbm)
2605 {
2606         struct ieee80211_local *local = wiphy_priv(wiphy);
2607         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2608
2609         if (local->ops->get_txpower)
2610                 return drv_get_txpower(local, sdata, dbm);
2611
2612         if (!local->use_chanctx)
2613                 *dbm = local->hw.conf.power_level;
2614         else
2615                 *dbm = sdata->vif.bss_conf.txpower;
2616
2617         return 0;
2618 }
2619
2620 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2621                                   const u8 *addr)
2622 {
2623         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2624
2625         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2626
2627         return 0;
2628 }
2629
2630 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2631 {
2632         struct ieee80211_local *local = wiphy_priv(wiphy);
2633
2634         drv_rfkill_poll(local);
2635 }
2636
2637 #ifdef CONFIG_NL80211_TESTMODE
2638 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2639                                   struct wireless_dev *wdev,
2640                                   void *data, int len)
2641 {
2642         struct ieee80211_local *local = wiphy_priv(wiphy);
2643         struct ieee80211_vif *vif = NULL;
2644
2645         if (!local->ops->testmode_cmd)
2646                 return -EOPNOTSUPP;
2647
2648         if (wdev) {
2649                 struct ieee80211_sub_if_data *sdata;
2650
2651                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2652                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2653                         vif = &sdata->vif;
2654         }
2655
2656         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2657 }
2658
2659 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2660                                    struct sk_buff *skb,
2661                                    struct netlink_callback *cb,
2662                                    void *data, int len)
2663 {
2664         struct ieee80211_local *local = wiphy_priv(wiphy);
2665
2666         if (!local->ops->testmode_dump)
2667                 return -EOPNOTSUPP;
2668
2669         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2670 }
2671 #endif
2672
2673 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2674                                  enum ieee80211_smps_mode smps_mode)
2675 {
2676         const u8 *ap;
2677         enum ieee80211_smps_mode old_req;
2678         int err;
2679         struct sta_info *sta;
2680         bool tdls_peer_found = false;
2681
2682         lockdep_assert_held(&sdata->wdev.mtx);
2683
2684         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2685                 return -EINVAL;
2686
2687         old_req = sdata->u.mgd.req_smps;
2688         sdata->u.mgd.req_smps = smps_mode;
2689
2690         if (old_req == smps_mode &&
2691             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2692                 return 0;
2693
2694         /*
2695          * If not associated, or current association is not an HT
2696          * association, there's no need to do anything, just store
2697          * the new value until we associate.
2698          */
2699         if (!sdata->u.mgd.associated ||
2700             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2701                 return 0;
2702
2703         ap = sdata->u.mgd.associated->bssid;
2704
2705         rcu_read_lock();
2706         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2707                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2708                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2709                         continue;
2710
2711                 tdls_peer_found = true;
2712                 break;
2713         }
2714         rcu_read_unlock();
2715
2716         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2717                 if (tdls_peer_found || !sdata->u.mgd.powersave)
2718                         smps_mode = IEEE80211_SMPS_OFF;
2719                 else
2720                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2721         }
2722
2723         /* send SM PS frame to AP */
2724         err = ieee80211_send_smps_action(sdata, smps_mode,
2725                                          ap, ap);
2726         if (err)
2727                 sdata->u.mgd.req_smps = old_req;
2728         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2729                 ieee80211_teardown_tdls_peers(sdata);
2730
2731         return err;
2732 }
2733
2734 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2735                                     bool enabled, int timeout)
2736 {
2737         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2738         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2739
2740         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2741                 return -EOPNOTSUPP;
2742
2743         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2744                 return -EOPNOTSUPP;
2745
2746         if (enabled == sdata->u.mgd.powersave &&
2747             timeout == local->dynamic_ps_forced_timeout)
2748                 return 0;
2749
2750         sdata->u.mgd.powersave = enabled;
2751         local->dynamic_ps_forced_timeout = timeout;
2752
2753         /* no change, but if automatic follow powersave */
2754         sdata_lock(sdata);
2755         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2756         sdata_unlock(sdata);
2757
2758         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2759                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2760
2761         ieee80211_recalc_ps(local);
2762         ieee80211_recalc_ps_vif(sdata);
2763         ieee80211_check_fast_rx_iface(sdata);
2764
2765         return 0;
2766 }
2767
2768 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2769                                          struct net_device *dev,
2770                                          s32 rssi_thold, u32 rssi_hyst)
2771 {
2772         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2773         struct ieee80211_vif *vif = &sdata->vif;
2774         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2775
2776         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2777             rssi_hyst == bss_conf->cqm_rssi_hyst)
2778                 return 0;
2779
2780         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2781             !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2782                 return -EOPNOTSUPP;
2783
2784         bss_conf->cqm_rssi_thold = rssi_thold;
2785         bss_conf->cqm_rssi_hyst = rssi_hyst;
2786         bss_conf->cqm_rssi_low = 0;
2787         bss_conf->cqm_rssi_high = 0;
2788         sdata->u.mgd.last_cqm_event_signal = 0;
2789
2790         /* tell the driver upon association, unless already associated */
2791         if (sdata->u.mgd.associated &&
2792             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2793                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2794
2795         return 0;
2796 }
2797
2798 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2799                                                struct net_device *dev,
2800                                                s32 rssi_low, s32 rssi_high)
2801 {
2802         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2803         struct ieee80211_vif *vif = &sdata->vif;
2804         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2805
2806         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2807                 return -EOPNOTSUPP;
2808
2809         bss_conf->cqm_rssi_low = rssi_low;
2810         bss_conf->cqm_rssi_high = rssi_high;
2811         bss_conf->cqm_rssi_thold = 0;
2812         bss_conf->cqm_rssi_hyst = 0;
2813         sdata->u.mgd.last_cqm_event_signal = 0;
2814
2815         /* tell the driver upon association, unless already associated */
2816         if (sdata->u.mgd.associated &&
2817             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2818                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2819
2820         return 0;
2821 }
2822
2823 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2824                                       struct net_device *dev,
2825                                       const u8 *addr,
2826                                       const struct cfg80211_bitrate_mask *mask)
2827 {
2828         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2829         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2830         int i, ret;
2831
2832         if (!ieee80211_sdata_running(sdata))
2833                 return -ENETDOWN;
2834
2835         /*
2836          * If active validate the setting and reject it if it doesn't leave
2837          * at least one basic rate usable, since we really have to be able
2838          * to send something, and if we're an AP we have to be able to do
2839          * so at a basic rate so that all clients can receive it.
2840          */
2841         if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2842             sdata->vif.bss_conf.chandef.chan) {
2843                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2844                 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2845
2846                 if (!(mask->control[band].legacy & basic_rates))
2847                         return -EINVAL;
2848         }
2849
2850         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2851                 ret = drv_set_bitrate_mask(local, sdata, mask);
2852                 if (ret)
2853                         return ret;
2854         }
2855
2856         for (i = 0; i < NUM_NL80211_BANDS; i++) {
2857                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2858                 int j;
2859
2860                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2861                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2862                        sizeof(mask->control[i].ht_mcs));
2863                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2864                        mask->control[i].vht_mcs,
2865                        sizeof(mask->control[i].vht_mcs));
2866
2867                 sdata->rc_has_mcs_mask[i] = false;
2868                 sdata->rc_has_vht_mcs_mask[i] = false;
2869                 if (!sband)
2870                         continue;
2871
2872                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2873                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2874                                 sdata->rc_has_mcs_mask[i] = true;
2875                                 break;
2876                         }
2877                 }
2878
2879                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2880                         if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2881                                 sdata->rc_has_vht_mcs_mask[i] = true;
2882                                 break;
2883                         }
2884                 }
2885         }
2886
2887         return 0;
2888 }
2889
2890 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2891                                            struct net_device *dev,
2892                                            struct cfg80211_chan_def *chandef,
2893                                            u32 cac_time_ms)
2894 {
2895         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2896         struct ieee80211_local *local = sdata->local;
2897         int err;
2898
2899         mutex_lock(&local->mtx);
2900         if (!list_empty(&local->roc_list) || local->scanning) {
2901                 err = -EBUSY;
2902                 goto out_unlock;
2903         }
2904
2905         /* whatever, but channel contexts should not complain about that one */
2906         sdata->smps_mode = IEEE80211_SMPS_OFF;
2907         sdata->needed_rx_chains = local->rx_chains;
2908
2909         err = ieee80211_vif_use_channel(sdata, chandef,
2910                                         IEEE80211_CHANCTX_SHARED);
2911         if (err)
2912                 goto out_unlock;
2913
2914         ieee80211_queue_delayed_work(&sdata->local->hw,
2915                                      &sdata->dfs_cac_timer_work,
2916                                      msecs_to_jiffies(cac_time_ms));
2917
2918  out_unlock:
2919         mutex_unlock(&local->mtx);
2920         return err;
2921 }
2922
2923 static void ieee80211_end_cac(struct wiphy *wiphy,
2924                               struct net_device *dev)
2925 {
2926         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2927         struct ieee80211_local *local = sdata->local;
2928
2929         mutex_lock(&local->mtx);
2930         list_for_each_entry(sdata, &local->interfaces, list) {
2931                 /* it might be waiting for the local->mtx, but then
2932                  * by the time it gets it, sdata->wdev.cac_started
2933                  * will no longer be true
2934                  */
2935                 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2936
2937                 if (sdata->wdev.cac_started) {
2938                         ieee80211_vif_release_channel(sdata);
2939                         sdata->wdev.cac_started = false;
2940                 }
2941         }
2942         mutex_unlock(&local->mtx);
2943 }
2944
2945 static struct cfg80211_beacon_data *
2946 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2947 {
2948         struct cfg80211_beacon_data *new_beacon;
2949         u8 *pos;
2950         int len;
2951
2952         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2953               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2954               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2955
2956         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2957         if (!new_beacon)
2958                 return NULL;
2959
2960         pos = (u8 *)(new_beacon + 1);
2961         if (beacon->head_len) {
2962                 new_beacon->head_len = beacon->head_len;
2963                 new_beacon->head = pos;
2964                 memcpy(pos, beacon->head, beacon->head_len);
2965                 pos += beacon->head_len;
2966         }
2967         if (beacon->tail_len) {
2968                 new_beacon->tail_len = beacon->tail_len;
2969                 new_beacon->tail = pos;
2970                 memcpy(pos, beacon->tail, beacon->tail_len);
2971                 pos += beacon->tail_len;
2972         }
2973         if (beacon->beacon_ies_len) {
2974                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2975                 new_beacon->beacon_ies = pos;
2976                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2977                 pos += beacon->beacon_ies_len;
2978         }
2979         if (beacon->proberesp_ies_len) {
2980                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2981                 new_beacon->proberesp_ies = pos;
2982                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2983                 pos += beacon->proberesp_ies_len;
2984         }
2985         if (beacon->assocresp_ies_len) {
2986                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2987                 new_beacon->assocresp_ies = pos;
2988                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2989                 pos += beacon->assocresp_ies_len;
2990         }
2991         if (beacon->probe_resp_len) {
2992                 new_beacon->probe_resp_len = beacon->probe_resp_len;
2993                 new_beacon->probe_resp = pos;
2994                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2995                 pos += beacon->probe_resp_len;
2996         }
2997
2998         /* might copy -1, meaning no changes requested */
2999         new_beacon->ftm_responder = beacon->ftm_responder;
3000         if (beacon->lci) {
3001                 new_beacon->lci_len = beacon->lci_len;
3002                 new_beacon->lci = pos;
3003                 memcpy(pos, beacon->lci, beacon->lci_len);
3004                 pos += beacon->lci_len;
3005         }
3006         if (beacon->civicloc) {
3007                 new_beacon->civicloc_len = beacon->civicloc_len;
3008                 new_beacon->civicloc = pos;
3009                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3010                 pos += beacon->civicloc_len;
3011         }
3012
3013         return new_beacon;
3014 }
3015
3016 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3017 {
3018         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3019
3020         ieee80211_queue_work(&sdata->local->hw,
3021                              &sdata->csa_finalize_work);
3022 }
3023 EXPORT_SYMBOL(ieee80211_csa_finish);
3024
3025 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3026                                           u32 *changed)
3027 {
3028         int err;
3029
3030         switch (sdata->vif.type) {
3031         case NL80211_IFTYPE_AP:
3032                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3033                                               NULL);
3034                 kfree(sdata->u.ap.next_beacon);
3035                 sdata->u.ap.next_beacon = NULL;
3036
3037                 if (err < 0)
3038                         return err;
3039                 *changed |= err;
3040                 break;
3041         case NL80211_IFTYPE_ADHOC:
3042                 err = ieee80211_ibss_finish_csa(sdata);
3043                 if (err < 0)
3044                         return err;
3045                 *changed |= err;
3046                 break;
3047 #ifdef CONFIG_MAC80211_MESH
3048         case NL80211_IFTYPE_MESH_POINT:
3049                 err = ieee80211_mesh_finish_csa(sdata);
3050                 if (err < 0)
3051                         return err;
3052                 *changed |= err;
3053                 break;
3054 #endif
3055         default:
3056                 WARN_ON(1);
3057                 return -EINVAL;
3058         }
3059
3060         return 0;
3061 }
3062
3063 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3064 {
3065         struct ieee80211_local *local = sdata->local;
3066         u32 changed = 0;
3067         int err;
3068
3069         sdata_assert_lock(sdata);
3070         lockdep_assert_held(&local->mtx);
3071         lockdep_assert_held(&local->chanctx_mtx);
3072
3073         /*
3074          * using reservation isn't immediate as it may be deferred until later
3075          * with multi-vif. once reservation is complete it will re-schedule the
3076          * work with no reserved_chanctx so verify chandef to check if it
3077          * completed successfully
3078          */
3079
3080         if (sdata->reserved_chanctx) {
3081                 /*
3082                  * with multi-vif csa driver may call ieee80211_csa_finish()
3083                  * many times while waiting for other interfaces to use their
3084                  * reservations
3085                  */
3086                 if (sdata->reserved_ready)
3087                         return 0;
3088
3089                 return ieee80211_vif_use_reserved_context(sdata);
3090         }
3091
3092         if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3093                                         &sdata->csa_chandef))
3094                 return -EINVAL;
3095
3096         sdata->vif.csa_active = false;
3097
3098         err = ieee80211_set_after_csa_beacon(sdata, &changed);
3099         if (err)
3100                 return err;
3101
3102         ieee80211_bss_info_change_notify(sdata, changed);
3103
3104         if (sdata->csa_block_tx) {
3105                 ieee80211_wake_vif_queues(local, sdata,
3106                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3107                 sdata->csa_block_tx = false;
3108         }
3109
3110         err = drv_post_channel_switch(sdata);
3111         if (err)
3112                 return err;
3113
3114         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3115
3116         return 0;
3117 }
3118
3119 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3120 {
3121         if (__ieee80211_csa_finalize(sdata)) {
3122                 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3123                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3124                                     GFP_KERNEL);
3125         }
3126 }
3127
3128 void ieee80211_csa_finalize_work(struct work_struct *work)
3129 {
3130         struct ieee80211_sub_if_data *sdata =
3131                 container_of(work, struct ieee80211_sub_if_data,
3132                              csa_finalize_work);
3133         struct ieee80211_local *local = sdata->local;
3134
3135         sdata_lock(sdata);
3136         mutex_lock(&local->mtx);
3137         mutex_lock(&local->chanctx_mtx);
3138
3139         /* AP might have been stopped while waiting for the lock. */
3140         if (!sdata->vif.csa_active)
3141                 goto unlock;
3142
3143         if (!ieee80211_sdata_running(sdata))
3144                 goto unlock;
3145
3146         ieee80211_csa_finalize(sdata);
3147
3148 unlock:
3149         mutex_unlock(&local->chanctx_mtx);
3150         mutex_unlock(&local->mtx);
3151         sdata_unlock(sdata);
3152 }
3153
3154 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3155                                     struct cfg80211_csa_settings *params,
3156                                     u32 *changed)
3157 {
3158         struct ieee80211_csa_settings csa = {};
3159         int err;
3160
3161         switch (sdata->vif.type) {
3162         case NL80211_IFTYPE_AP:
3163                 sdata->u.ap.next_beacon =
3164                         cfg80211_beacon_dup(&params->beacon_after);
3165                 if (!sdata->u.ap.next_beacon)
3166                         return -ENOMEM;
3167
3168                 /*
3169                  * With a count of 0, we don't have to wait for any
3170                  * TBTT before switching, so complete the CSA
3171                  * immediately.  In theory, with a count == 1 we
3172                  * should delay the switch until just before the next
3173                  * TBTT, but that would complicate things so we switch
3174                  * immediately too.  If we would delay the switch
3175                  * until the next TBTT, we would have to set the probe
3176                  * response here.
3177                  *
3178                  * TODO: A channel switch with count <= 1 without
3179                  * sending a CSA action frame is kind of useless,
3180                  * because the clients won't know we're changing
3181                  * channels.  The action frame must be implemented
3182                  * either here or in the userspace.
3183                  */
3184                 if (params->count <= 1)
3185                         break;
3186
3187                 if ((params->n_counter_offsets_beacon >
3188                      IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3189                     (params->n_counter_offsets_presp >
3190                      IEEE80211_MAX_CSA_COUNTERS_NUM))
3191                         return -EINVAL;
3192
3193                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3194                 csa.counter_offsets_presp = params->counter_offsets_presp;
3195                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3196                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3197                 csa.count = params->count;
3198
3199                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3200                 if (err < 0) {
3201                         kfree(sdata->u.ap.next_beacon);
3202                         return err;
3203                 }
3204                 *changed |= err;
3205
3206                 break;
3207         case NL80211_IFTYPE_ADHOC:
3208                 if (!sdata->vif.bss_conf.ibss_joined)
3209                         return -EINVAL;
3210
3211                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3212                         return -EINVAL;
3213
3214                 switch (params->chandef.width) {
3215                 case NL80211_CHAN_WIDTH_40:
3216                         if (cfg80211_get_chandef_type(&params->chandef) !=
3217                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3218                                 return -EINVAL;
3219                 case NL80211_CHAN_WIDTH_5:
3220                 case NL80211_CHAN_WIDTH_10:
3221                 case NL80211_CHAN_WIDTH_20_NOHT:
3222                 case NL80211_CHAN_WIDTH_20:
3223                         break;
3224                 default:
3225                         return -EINVAL;
3226                 }
3227
3228                 /* changes into another band are not supported */
3229                 if (sdata->u.ibss.chandef.chan->band !=
3230                     params->chandef.chan->band)
3231                         return -EINVAL;
3232
3233                 /* see comments in the NL80211_IFTYPE_AP block */
3234                 if (params->count > 1) {
3235                         err = ieee80211_ibss_csa_beacon(sdata, params);
3236                         if (err < 0)
3237                                 return err;
3238                         *changed |= err;
3239                 }
3240
3241                 ieee80211_send_action_csa(sdata, params);
3242
3243                 break;
3244 #ifdef CONFIG_MAC80211_MESH
3245         case NL80211_IFTYPE_MESH_POINT: {
3246                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3247
3248                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3249                         return -EINVAL;
3250
3251                 /* changes into another band are not supported */
3252                 if (sdata->vif.bss_conf.chandef.chan->band !=
3253                     params->chandef.chan->band)
3254                         return -EINVAL;
3255
3256                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3257                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3258                         if (!ifmsh->pre_value)
3259                                 ifmsh->pre_value = 1;
3260                         else
3261                                 ifmsh->pre_value++;
3262                 }
3263
3264                 /* see comments in the NL80211_IFTYPE_AP block */
3265                 if (params->count > 1) {
3266                         err = ieee80211_mesh_csa_beacon(sdata, params);
3267                         if (err < 0) {
3268                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3269                                 return err;
3270                         }
3271                         *changed |= err;
3272                 }
3273
3274                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3275                         ieee80211_send_action_csa(sdata, params);
3276
3277                 break;
3278                 }
3279 #endif
3280         default:
3281                 return -EOPNOTSUPP;
3282         }
3283
3284         return 0;
3285 }
3286
3287 static int
3288 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3289                            struct cfg80211_csa_settings *params)
3290 {
3291         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3292         struct ieee80211_local *local = sdata->local;
3293         struct ieee80211_channel_switch ch_switch;
3294         struct ieee80211_chanctx_conf *conf;
3295         struct ieee80211_chanctx *chanctx;
3296         u32 changed = 0;
3297         int err;
3298
3299         sdata_assert_lock(sdata);
3300         lockdep_assert_held(&local->mtx);
3301
3302         if (!list_empty(&local->roc_list) || local->scanning)
3303                 return -EBUSY;
3304
3305         if (sdata->wdev.cac_started)
3306                 return -EBUSY;
3307
3308         if (cfg80211_chandef_identical(&params->chandef,
3309                                        &sdata->vif.bss_conf.chandef))
3310                 return -EINVAL;
3311
3312         /* don't allow another channel switch if one is already active. */
3313         if (sdata->vif.csa_active)
3314                 return -EBUSY;
3315
3316         mutex_lock(&local->chanctx_mtx);
3317         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3318                                          lockdep_is_held(&local->chanctx_mtx));
3319         if (!conf) {
3320                 err = -EBUSY;
3321                 goto out;
3322         }
3323
3324         if (params->chandef.chan->freq_offset) {
3325                 /* this may work, but is untested */
3326                 err = -EOPNOTSUPP;
3327                 goto out;
3328         }
3329
3330         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3331
3332         ch_switch.timestamp = 0;
3333         ch_switch.device_timestamp = 0;
3334         ch_switch.block_tx = params->block_tx;
3335         ch_switch.chandef = params->chandef;
3336         ch_switch.count = params->count;
3337
3338         err = drv_pre_channel_switch(sdata, &ch_switch);
3339         if (err)
3340                 goto out;
3341
3342         err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3343                                             chanctx->mode,
3344                                             params->radar_required);
3345         if (err)
3346                 goto out;
3347
3348         /* if reservation is invalid then this will fail */
3349         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3350         if (err) {
3351                 ieee80211_vif_unreserve_chanctx(sdata);
3352                 goto out;
3353         }
3354
3355         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3356         if (err) {
3357                 ieee80211_vif_unreserve_chanctx(sdata);
3358                 goto out;
3359         }
3360
3361         sdata->csa_chandef = params->chandef;
3362         sdata->csa_block_tx = params->block_tx;
3363         sdata->vif.csa_active = true;
3364
3365         if (sdata->csa_block_tx)
3366                 ieee80211_stop_vif_queues(local, sdata,
3367                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3368
3369         cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3370                                           params->count);
3371
3372         if (changed) {
3373                 ieee80211_bss_info_change_notify(sdata, changed);
3374                 drv_channel_switch_beacon(sdata, &params->chandef);
3375         } else {
3376                 /* if the beacon didn't change, we can finalize immediately */
3377                 ieee80211_csa_finalize(sdata);
3378         }
3379
3380 out:
3381         mutex_unlock(&local->chanctx_mtx);
3382         return err;
3383 }
3384
3385 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3386                              struct cfg80211_csa_settings *params)
3387 {
3388         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3389         struct ieee80211_local *local = sdata->local;
3390         int err;
3391
3392         mutex_lock(&local->mtx);
3393         err = __ieee80211_channel_switch(wiphy, dev, params);
3394         mutex_unlock(&local->mtx);
3395
3396         return err;
3397 }
3398
3399 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3400 {
3401         lockdep_assert_held(&local->mtx);
3402
3403         local->roc_cookie_counter++;
3404
3405         /* wow, you wrapped 64 bits ... more likely a bug */
3406         if (WARN_ON(local->roc_cookie_counter == 0))
3407                 local->roc_cookie_counter++;
3408
3409         return local->roc_cookie_counter;
3410 }
3411
3412 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3413                              u64 *cookie, gfp_t gfp)
3414 {
3415         unsigned long spin_flags;
3416         struct sk_buff *ack_skb;
3417         int id;
3418
3419         ack_skb = skb_copy(skb, gfp);
3420         if (!ack_skb)
3421                 return -ENOMEM;
3422
3423         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3424         id = idr_alloc(&local->ack_status_frames, ack_skb,
3425                        1, 0x2000, GFP_ATOMIC);
3426         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3427
3428         if (id < 0) {
3429                 kfree_skb(ack_skb);
3430                 return -ENOMEM;
3431         }
3432
3433         IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3434
3435         *cookie = ieee80211_mgmt_tx_cookie(local);
3436         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3437
3438         return 0;
3439 }
3440
3441 static void
3442 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3443                                           struct wireless_dev *wdev,
3444                                           struct mgmt_frame_regs *upd)
3445 {
3446         struct ieee80211_local *local = wiphy_priv(wiphy);
3447         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3448         u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3449         u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3450         bool global_change, intf_change;
3451
3452         global_change =
3453                 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3454                 (local->rx_mcast_action_reg !=
3455                  !!(upd->global_mcast_stypes & action_mask));
3456         local->probe_req_reg = upd->global_stypes & preq_mask;
3457         local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3458
3459         intf_change = (sdata->vif.probe_req_reg !=
3460                        !!(upd->interface_stypes & preq_mask)) ||
3461                 (sdata->vif.rx_mcast_action_reg !=
3462                  !!(upd->interface_mcast_stypes & action_mask));
3463         sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3464         sdata->vif.rx_mcast_action_reg =
3465                 upd->interface_mcast_stypes & action_mask;
3466
3467         if (!local->open_count)
3468                 return;
3469
3470         if (intf_change && ieee80211_sdata_running(sdata))
3471                 drv_config_iface_filter(local, sdata,
3472                                         sdata->vif.probe_req_reg ?
3473                                                 FIF_PROBE_REQ : 0,
3474                                         FIF_PROBE_REQ);
3475
3476         if (global_change)
3477                 ieee80211_configure_filter(local);
3478 }
3479
3480 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3481 {
3482         struct ieee80211_local *local = wiphy_priv(wiphy);
3483
3484         if (local->started)
3485                 return -EOPNOTSUPP;
3486
3487         return drv_set_antenna(local, tx_ant, rx_ant);
3488 }
3489
3490 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3491 {
3492         struct ieee80211_local *local = wiphy_priv(wiphy);
3493
3494         return drv_get_antenna(local, tx_ant, rx_ant);
3495 }
3496
3497 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3498                                     struct net_device *dev,
3499                                     struct cfg80211_gtk_rekey_data *data)
3500 {
3501         struct ieee80211_local *local = wiphy_priv(wiphy);
3502         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3503
3504         if (!local->ops->set_rekey_data)
3505                 return -EOPNOTSUPP;
3506
3507         drv_set_rekey_data(local, sdata, data);
3508
3509         return 0;
3510 }
3511
3512 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3513                                   const u8 *peer, u64 *cookie)
3514 {
3515         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3516         struct ieee80211_local *local = sdata->local;
3517         struct ieee80211_qos_hdr *nullfunc;
3518         struct sk_buff *skb;
3519         int size = sizeof(*nullfunc);
3520         __le16 fc;
3521         bool qos;
3522         struct ieee80211_tx_info *info;
3523         struct sta_info *sta;
3524         struct ieee80211_chanctx_conf *chanctx_conf;
3525         enum nl80211_band band;
3526         int ret;
3527
3528         /* the lock is needed to assign the cookie later */
3529         mutex_lock(&local->mtx);
3530
3531         rcu_read_lock();
3532         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3533         if (WARN_ON(!chanctx_conf)) {
3534                 ret = -EINVAL;
3535                 goto unlock;
3536         }
3537         band = chanctx_conf->def.chan->band;
3538         sta = sta_info_get_bss(sdata, peer);
3539         if (sta) {
3540                 qos = sta->sta.wme;
3541         } else {
3542                 ret = -ENOLINK;
3543                 goto unlock;
3544         }
3545
3546         if (qos) {
3547                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3548                                  IEEE80211_STYPE_QOS_NULLFUNC |
3549                                  IEEE80211_FCTL_FROMDS);
3550         } else {
3551                 size -= 2;
3552                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3553                                  IEEE80211_STYPE_NULLFUNC |
3554                                  IEEE80211_FCTL_FROMDS);
3555         }
3556
3557         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3558         if (!skb) {
3559                 ret = -ENOMEM;
3560                 goto unlock;
3561         }
3562
3563         skb->dev = dev;
3564
3565         skb_reserve(skb, local->hw.extra_tx_headroom);
3566
3567         nullfunc = skb_put(skb, size);
3568         nullfunc->frame_control = fc;
3569         nullfunc->duration_id = 0;
3570         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3571         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3572         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3573         nullfunc->seq_ctrl = 0;
3574
3575         info = IEEE80211_SKB_CB(skb);
3576
3577         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3578                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3579         info->band = band;
3580
3581         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3582         skb->priority = 7;
3583         if (qos)
3584                 nullfunc->qos_ctrl = cpu_to_le16(7);
3585
3586         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3587         if (ret) {
3588                 kfree_skb(skb);
3589                 goto unlock;
3590         }
3591
3592         local_bh_disable();
3593         ieee80211_xmit(sdata, sta, skb);
3594         local_bh_enable();
3595
3596         ret = 0;
3597 unlock:
3598         rcu_read_unlock();
3599         mutex_unlock(&local->mtx);
3600
3601         return ret;
3602 }
3603
3604 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3605                                      struct wireless_dev *wdev,
3606                                      struct cfg80211_chan_def *chandef)
3607 {
3608         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3609         struct ieee80211_local *local = wiphy_priv(wiphy);
3610         struct ieee80211_chanctx_conf *chanctx_conf;
3611         int ret = -ENODATA;
3612
3613         rcu_read_lock();
3614         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3615         if (chanctx_conf) {
3616                 *chandef = sdata->vif.bss_conf.chandef;
3617                 ret = 0;
3618         } else if (local->open_count > 0 &&
3619                    local->open_count == local->monitors &&
3620                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3621                 if (local->use_chanctx)
3622                         *chandef = local->monitor_chandef;
3623                 else
3624                         *chandef = local->_oper_chandef;
3625                 ret = 0;
3626         }
3627         rcu_read_unlock();
3628
3629         return ret;
3630 }
3631
3632 #ifdef CONFIG_PM
3633 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3634 {
3635         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3636 }
3637 #endif
3638
3639 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3640                                  struct net_device *dev,
3641                                  struct cfg80211_qos_map *qos_map)
3642 {
3643         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3644         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3645
3646         if (qos_map) {
3647                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3648                 if (!new_qos_map)
3649                         return -ENOMEM;
3650                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3651         } else {
3652                 /* A NULL qos_map was passed to disable QoS mapping */
3653                 new_qos_map = NULL;
3654         }
3655
3656         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3657         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3658         if (old_qos_map)
3659                 kfree_rcu(old_qos_map, rcu_head);
3660
3661         return 0;
3662 }
3663
3664 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3665                                       struct net_device *dev,
3666                                       struct cfg80211_chan_def *chandef)
3667 {
3668         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3669         int ret;
3670         u32 changed = 0;
3671
3672         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3673         if (ret == 0)
3674                 ieee80211_bss_info_change_notify(sdata, changed);
3675
3676         return ret;
3677 }
3678
3679 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3680                                u8 tsid, const u8 *peer, u8 up,
3681                                u16 admitted_time)
3682 {
3683         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3684         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3685         int ac = ieee802_1d_to_ac[up];
3686
3687         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3688                 return -EOPNOTSUPP;
3689
3690         if (!(sdata->wmm_acm & BIT(up)))
3691                 return -EINVAL;
3692
3693         if (ifmgd->tx_tspec[ac].admitted_time)
3694                 return -EBUSY;
3695
3696         if (admitted_time) {
3697                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3698                 ifmgd->tx_tspec[ac].tsid = tsid;
3699                 ifmgd->tx_tspec[ac].up = up;
3700         }
3701
3702         return 0;
3703 }
3704
3705 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3706                                u8 tsid, const u8 *peer)
3707 {
3708         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3709         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3710         struct ieee80211_local *local = wiphy_priv(wiphy);
3711         int ac;
3712
3713         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3714                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3715
3716                 /* skip unused entries */
3717                 if (!tx_tspec->admitted_time)
3718                         continue;
3719
3720                 if (tx_tspec->tsid != tsid)
3721                         continue;
3722
3723                 /* due to this new packets will be reassigned to non-ACM ACs */
3724                 tx_tspec->up = -1;
3725
3726                 /* Make sure that all packets have been sent to avoid to
3727                  * restore the QoS params on packets that are still on the
3728                  * queues.
3729                  */
3730                 synchronize_net();
3731                 ieee80211_flush_queues(local, sdata, false);
3732
3733                 /* restore the normal QoS parameters
3734                  * (unconditionally to avoid races)
3735                  */
3736                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3737                 tx_tspec->downgraded = false;
3738                 ieee80211_sta_handle_tspec_ac_params(sdata);
3739
3740                 /* finally clear all the data */
3741                 memset(tx_tspec, 0, sizeof(*tx_tspec));
3742
3743                 return 0;
3744         }
3745
3746         return -ENOENT;
3747 }
3748
3749 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3750                                    u8 inst_id,
3751                                    enum nl80211_nan_func_term_reason reason,
3752                                    gfp_t gfp)
3753 {
3754         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3755         struct cfg80211_nan_func *func;
3756         u64 cookie;
3757
3758         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3759                 return;
3760
3761         spin_lock_bh(&sdata->u.nan.func_lock);
3762
3763         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3764         if (WARN_ON(!func)) {
3765                 spin_unlock_bh(&sdata->u.nan.func_lock);
3766                 return;
3767         }
3768
3769         cookie = func->cookie;
3770         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3771
3772         spin_unlock_bh(&sdata->u.nan.func_lock);
3773
3774         cfg80211_free_nan_func(func);
3775
3776         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3777                                      reason, cookie, gfp);
3778 }
3779 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3780
3781 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3782                               struct cfg80211_nan_match_params *match,
3783                               gfp_t gfp)
3784 {
3785         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3786         struct cfg80211_nan_func *func;
3787
3788         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3789                 return;
3790
3791         spin_lock_bh(&sdata->u.nan.func_lock);
3792
3793         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3794         if (WARN_ON(!func)) {
3795                 spin_unlock_bh(&sdata->u.nan.func_lock);
3796                 return;
3797         }
3798         match->cookie = func->cookie;
3799
3800         spin_unlock_bh(&sdata->u.nan.func_lock);
3801
3802         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3803 }
3804 EXPORT_SYMBOL(ieee80211_nan_func_match);
3805
3806 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3807                                               struct net_device *dev,
3808                                               const bool enabled)
3809 {
3810         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3811
3812         sdata->u.ap.multicast_to_unicast = enabled;
3813
3814         return 0;
3815 }
3816
3817 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3818                               struct txq_info *txqi)
3819 {
3820         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3821                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3822                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3823         }
3824
3825         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3826                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3827                 txqstats->backlog_packets = txqi->tin.backlog_packets;
3828         }
3829
3830         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3831                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3832                 txqstats->flows = txqi->tin.flows;
3833         }
3834
3835         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3836                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3837                 txqstats->drops = txqi->cstats.drop_count;
3838         }
3839
3840         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3841                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3842                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3843         }
3844
3845         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3846                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3847                 txqstats->overlimit = txqi->tin.overlimit;
3848         }
3849
3850         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3851                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3852                 txqstats->collisions = txqi->tin.collisions;
3853         }
3854
3855         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3856                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3857                 txqstats->tx_bytes = txqi->tin.tx_bytes;
3858         }
3859
3860         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3861                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3862                 txqstats->tx_packets = txqi->tin.tx_packets;
3863         }
3864 }
3865
3866 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3867                                    struct wireless_dev *wdev,
3868                                    struct cfg80211_txq_stats *txqstats)
3869 {
3870         struct ieee80211_local *local = wiphy_priv(wiphy);
3871         struct ieee80211_sub_if_data *sdata;
3872         int ret = 0;
3873
3874         if (!local->ops->wake_tx_queue)
3875                 return 1;
3876
3877         spin_lock_bh(&local->fq.lock);
3878         rcu_read_lock();
3879
3880         if (wdev) {
3881                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3882                 if (!sdata->vif.txq) {
3883                         ret = 1;
3884                         goto out;
3885                 }
3886                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3887         } else {
3888                 /* phy stats */
3889                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3890                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3891                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3892                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3893                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
3894                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3895                 txqstats->backlog_packets = local->fq.backlog;
3896                 txqstats->backlog_bytes = local->fq.memory_usage;
3897                 txqstats->overlimit = local->fq.overlimit;
3898                 txqstats->overmemory = local->fq.overmemory;
3899                 txqstats->collisions = local->fq.collisions;
3900                 txqstats->max_flows = local->fq.flows_cnt;
3901         }
3902
3903 out:
3904         rcu_read_unlock();
3905         spin_unlock_bh(&local->fq.lock);
3906
3907         return ret;
3908 }
3909
3910 static int
3911 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3912                                   struct net_device *dev,
3913                                   struct cfg80211_ftm_responder_stats *ftm_stats)
3914 {
3915         struct ieee80211_local *local = wiphy_priv(wiphy);
3916         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3917
3918         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3919 }
3920
3921 static int
3922 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3923                      struct cfg80211_pmsr_request *request)
3924 {
3925         struct ieee80211_local *local = wiphy_priv(wiphy);
3926         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3927
3928         return drv_start_pmsr(local, sdata, request);
3929 }
3930
3931 static void
3932 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3933                      struct cfg80211_pmsr_request *request)
3934 {
3935         struct ieee80211_local *local = wiphy_priv(wiphy);
3936         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3937
3938         return drv_abort_pmsr(local, sdata, request);
3939 }
3940
3941 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3942                                     struct net_device *dev,
3943                                     struct cfg80211_tid_config *tid_conf)
3944 {
3945         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3946         struct sta_info *sta;
3947         int ret;
3948
3949         if (!sdata->local->ops->set_tid_config)
3950                 return -EOPNOTSUPP;
3951
3952         if (!tid_conf->peer)
3953                 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3954
3955         mutex_lock(&sdata->local->sta_mtx);
3956         sta = sta_info_get_bss(sdata, tid_conf->peer);
3957         if (!sta) {
3958                 mutex_unlock(&sdata->local->sta_mtx);
3959                 return -ENOENT;
3960         }
3961
3962         ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3963         mutex_unlock(&sdata->local->sta_mtx);
3964
3965         return ret;
3966 }
3967
3968 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3969                                       struct net_device *dev,
3970                                       const u8 *peer, u8 tids)
3971 {
3972         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3973         struct sta_info *sta;
3974         int ret;
3975
3976         if (!sdata->local->ops->reset_tid_config)
3977                 return -EOPNOTSUPP;
3978
3979         if (!peer)
3980                 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3981
3982         mutex_lock(&sdata->local->sta_mtx);
3983         sta = sta_info_get_bss(sdata, peer);
3984         if (!sta) {
3985                 mutex_unlock(&sdata->local->sta_mtx);
3986                 return -ENOENT;
3987         }
3988
3989         ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3990         mutex_unlock(&sdata->local->sta_mtx);
3991
3992         return ret;
3993 }
3994
3995 const struct cfg80211_ops mac80211_config_ops = {
3996         .add_virtual_intf = ieee80211_add_iface,
3997         .del_virtual_intf = ieee80211_del_iface,
3998         .change_virtual_intf = ieee80211_change_iface,
3999         .start_p2p_device = ieee80211_start_p2p_device,
4000         .stop_p2p_device = ieee80211_stop_p2p_device,
4001         .add_key = ieee80211_add_key,
4002         .del_key = ieee80211_del_key,
4003         .get_key = ieee80211_get_key,
4004         .set_default_key = ieee80211_config_default_key,
4005         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
4006         .set_default_beacon_key = ieee80211_config_default_beacon_key,
4007         .start_ap = ieee80211_start_ap,
4008         .change_beacon = ieee80211_change_beacon,
4009         .stop_ap = ieee80211_stop_ap,
4010         .add_station = ieee80211_add_station,
4011         .del_station = ieee80211_del_station,
4012         .change_station = ieee80211_change_station,
4013         .get_station = ieee80211_get_station,
4014         .dump_station = ieee80211_dump_station,
4015         .dump_survey = ieee80211_dump_survey,
4016 #ifdef CONFIG_MAC80211_MESH
4017         .add_mpath = ieee80211_add_mpath,
4018         .del_mpath = ieee80211_del_mpath,
4019         .change_mpath = ieee80211_change_mpath,
4020         .get_mpath = ieee80211_get_mpath,
4021         .dump_mpath = ieee80211_dump_mpath,
4022         .get_mpp = ieee80211_get_mpp,
4023         .dump_mpp = ieee80211_dump_mpp,
4024         .update_mesh_config = ieee80211_update_mesh_config,
4025         .get_mesh_config = ieee80211_get_mesh_config,
4026         .join_mesh = ieee80211_join_mesh,
4027         .leave_mesh = ieee80211_leave_mesh,
4028 #endif
4029         .join_ocb = ieee80211_join_ocb,
4030         .leave_ocb = ieee80211_leave_ocb,
4031         .change_bss = ieee80211_change_bss,
4032         .set_txq_params = ieee80211_set_txq_params,
4033         .set_monitor_channel = ieee80211_set_monitor_channel,
4034         .suspend = ieee80211_suspend,
4035         .resume = ieee80211_resume,
4036         .scan = ieee80211_scan,
4037         .abort_scan = ieee80211_abort_scan,
4038         .sched_scan_start = ieee80211_sched_scan_start,
4039         .sched_scan_stop = ieee80211_sched_scan_stop,
4040         .auth = ieee80211_auth,
4041         .assoc = ieee80211_assoc,
4042         .deauth = ieee80211_deauth,
4043         .disassoc = ieee80211_disassoc,
4044         .join_ibss = ieee80211_join_ibss,
4045         .leave_ibss = ieee80211_leave_ibss,
4046         .set_mcast_rate = ieee80211_set_mcast_rate,
4047         .set_wiphy_params = ieee80211_set_wiphy_params,
4048         .set_tx_power = ieee80211_set_tx_power,
4049         .get_tx_power = ieee80211_get_tx_power,
4050         .set_wds_peer = ieee80211_set_wds_peer,
4051         .rfkill_poll = ieee80211_rfkill_poll,
4052         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4053         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4054         .set_power_mgmt = ieee80211_set_power_mgmt,
4055         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4056         .remain_on_channel = ieee80211_remain_on_channel,
4057         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4058         .mgmt_tx = ieee80211_mgmt_tx,
4059         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4060         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4061         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4062         .update_mgmt_frame_registrations =
4063                 ieee80211_update_mgmt_frame_registrations,
4064         .set_antenna = ieee80211_set_antenna,
4065         .get_antenna = ieee80211_get_antenna,
4066         .set_rekey_data = ieee80211_set_rekey_data,
4067         .tdls_oper = ieee80211_tdls_oper,
4068         .tdls_mgmt = ieee80211_tdls_mgmt,
4069         .tdls_channel_switch = ieee80211_tdls_channel_switch,
4070         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4071         .probe_client = ieee80211_probe_client,
4072         .set_noack_map = ieee80211_set_noack_map,
4073 #ifdef CONFIG_PM
4074         .set_wakeup = ieee80211_set_wakeup,
4075 #endif
4076         .get_channel = ieee80211_cfg_get_channel,
4077         .start_radar_detection = ieee80211_start_radar_detection,
4078         .end_cac = ieee80211_end_cac,
4079         .channel_switch = ieee80211_channel_switch,
4080         .set_qos_map = ieee80211_set_qos_map,
4081         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4082         .add_tx_ts = ieee80211_add_tx_ts,
4083         .del_tx_ts = ieee80211_del_tx_ts,
4084         .start_nan = ieee80211_start_nan,
4085         .stop_nan = ieee80211_stop_nan,
4086         .nan_change_conf = ieee80211_nan_change_conf,
4087         .add_nan_func = ieee80211_add_nan_func,
4088         .del_nan_func = ieee80211_del_nan_func,
4089         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4090         .tx_control_port = ieee80211_tx_control_port,
4091         .get_txq_stats = ieee80211_get_txq_stats,
4092         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4093         .start_pmsr = ieee80211_start_pmsr,
4094         .abort_pmsr = ieee80211_abort_pmsr,
4095         .probe_mesh_link = ieee80211_probe_mesh_link,
4096         .set_tid_config = ieee80211_set_tid_config,
4097         .reset_tid_config = ieee80211_reset_tid_config,
4098 };