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                 /* fall through */
 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                 /* fall through */
 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                       BSS_CHANGED_HE_OBSS_PD |
 996                       BSS_CHANGED_HE_BSS_COLOR;
 997         int i, err;
 998         int prev_beacon_int;
 999
1000         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1001         if (old)
1002                 return -EALREADY;
1003
1004         if (params->smps_mode != NL80211_SMPS_OFF)
1005                 return -ENOTSUPP;
1006
1007         sdata->smps_mode = IEEE80211_SMPS_OFF;
1008
1009         sdata->needed_rx_chains = sdata->local->rx_chains;
1010
1011         prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1012         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1013
1014         if (params->he_cap && params->he_oper) {
1015                 sdata->vif.bss_conf.he_support = true;
1016                 sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1017                         le32_get_bits(params->he_oper->he_oper_params,
1018                               IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1019                 sdata->vif.bss_conf.frame_time_rts_th =
1020                         le32_get_bits(params->he_oper->he_oper_params,
1021                               IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1022         }
1023
1024         mutex_lock(&local->mtx);
1025         err = ieee80211_vif_use_channel(sdata, &params->chandef,
1026                                         IEEE80211_CHANCTX_SHARED);
1027         if (!err)
1028                 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1029         mutex_unlock(&local->mtx);
1030         if (err) {
1031                 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1032                 return err;
1033         }
1034
1035         /*
1036          * Apply control port protocol, this allows us to
1037          * not encrypt dynamic WEP control frames.
1038          */
1039         sdata->control_port_protocol = params->crypto.control_port_ethertype;
1040         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1041         sdata->control_port_over_nl80211 =
1042                                 params->crypto.control_port_over_nl80211;
1043         sdata->control_port_no_preauth =
1044                                 params->crypto.control_port_no_preauth;
1045         sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1046                                                         &params->crypto,
1047                                                         sdata->vif.type);
1048
1049         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1050                 vlan->control_port_protocol =
1051                         params->crypto.control_port_ethertype;
1052                 vlan->control_port_no_encrypt =
1053                         params->crypto.control_port_no_encrypt;
1054                 vlan->control_port_over_nl80211 =
1055                         params->crypto.control_port_over_nl80211;
1056                 vlan->control_port_no_preauth =
1057                         params->crypto.control_port_no_preauth;
1058                 vlan->encrypt_headroom =
1059                         ieee80211_cs_headroom(sdata->local,
1060                                               &params->crypto,
1061                                               vlan->vif.type);
1062         }
1063
1064         sdata->vif.bss_conf.dtim_period = params->dtim_period;
1065         sdata->vif.bss_conf.enable_beacon = true;
1066         sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1067         sdata->vif.bss_conf.twt_responder = params->twt_responder;
1068         memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1069                sizeof(struct ieee80211_he_obss_pd));
1070         memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
1071                sizeof(struct ieee80211_he_bss_color));
1072
1073         sdata->vif.bss_conf.ssid_len = params->ssid_len;
1074         if (params->ssid_len)
1075                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1076                        params->ssid_len);
1077         sdata->vif.bss_conf.hidden_ssid =
1078                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1079
1080         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1081                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1082         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1083                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1084         if (params->p2p_opp_ps)
1085                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1086                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1087
1088         sdata->beacon_rate_set = false;
1089         if (wiphy_ext_feature_isset(local->hw.wiphy,
1090                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1091                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1092                         sdata->beacon_rateidx_mask[i] =
1093                                 params->beacon_rate.control[i].legacy;
1094                         if (sdata->beacon_rateidx_mask[i])
1095                                 sdata->beacon_rate_set = true;
1096                 }
1097         }
1098
1099         err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1100         if (err < 0) {
1101                 ieee80211_vif_release_channel(sdata);
1102                 return err;
1103         }
1104         changed |= err;
1105
1106         err = drv_start_ap(sdata->local, sdata);
1107         if (err) {
1108                 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1109
1110                 if (old)
1111                         kfree_rcu(old, rcu_head);
1112                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1113                 ieee80211_vif_release_channel(sdata);
1114                 return err;
1115         }
1116
1117         ieee80211_recalc_dtim(local, sdata);
1118         ieee80211_bss_info_change_notify(sdata, changed);
1119
1120         netif_carrier_on(dev);
1121         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1122                 netif_carrier_on(vlan->dev);
1123
1124         return 0;
1125 }
1126
1127 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1128                                    struct cfg80211_beacon_data *params)
1129 {
1130         struct ieee80211_sub_if_data *sdata;
1131         struct beacon_data *old;
1132         int err;
1133
1134         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135         sdata_assert_lock(sdata);
1136
1137         /* don't allow changing the beacon while CSA is in place - offset
1138          * of channel switch counter may change
1139          */
1140         if (sdata->vif.csa_active)
1141                 return -EBUSY;
1142
1143         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1144         if (!old)
1145                 return -ENOENT;
1146
1147         err = ieee80211_assign_beacon(sdata, params, NULL);
1148         if (err < 0)
1149                 return err;
1150         ieee80211_bss_info_change_notify(sdata, err);
1151         return 0;
1152 }
1153
1154 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1155 {
1156         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1157         struct ieee80211_sub_if_data *vlan;
1158         struct ieee80211_local *local = sdata->local;
1159         struct beacon_data *old_beacon;
1160         struct probe_resp *old_probe_resp;
1161         struct cfg80211_chan_def chandef;
1162
1163         sdata_assert_lock(sdata);
1164
1165         old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1166         if (!old_beacon)
1167                 return -ENOENT;
1168         old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1169
1170         /* abort any running channel switch */
1171         mutex_lock(&local->mtx);
1172         sdata->vif.csa_active = false;
1173         if (sdata->csa_block_tx) {
1174                 ieee80211_wake_vif_queues(local, sdata,
1175                                           IEEE80211_QUEUE_STOP_REASON_CSA);
1176                 sdata->csa_block_tx = false;
1177         }
1178
1179         mutex_unlock(&local->mtx);
1180
1181         kfree(sdata->u.ap.next_beacon);
1182         sdata->u.ap.next_beacon = NULL;
1183
1184         /* turn off carrier for this interface and dependent VLANs */
1185         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1186                 netif_carrier_off(vlan->dev);
1187         netif_carrier_off(dev);
1188
1189         /* remove beacon and probe response */
1190         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1191         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1192         kfree_rcu(old_beacon, rcu_head);
1193         if (old_probe_resp)
1194                 kfree_rcu(old_probe_resp, rcu_head);
1195
1196         kfree(sdata->vif.bss_conf.ftmr_params);
1197         sdata->vif.bss_conf.ftmr_params = NULL;
1198
1199         __sta_info_flush(sdata, true);
1200         ieee80211_free_keys(sdata, true);
1201
1202         sdata->vif.bss_conf.enable_beacon = false;
1203         sdata->beacon_rate_set = false;
1204         sdata->vif.bss_conf.ssid_len = 0;
1205         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1206         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1207
1208         if (sdata->wdev.cac_started) {
1209                 chandef = sdata->vif.bss_conf.chandef;
1210                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1211                 cfg80211_cac_event(sdata->dev, &chandef,
1212                                    NL80211_RADAR_CAC_ABORTED,
1213                                    GFP_KERNEL);
1214         }
1215
1216         drv_stop_ap(sdata->local, sdata);
1217
1218         /* free all potentially still buffered bcast frames */
1219         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1220         ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1221
1222         mutex_lock(&local->mtx);
1223         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1224         ieee80211_vif_release_channel(sdata);
1225         mutex_unlock(&local->mtx);
1226
1227         return 0;
1228 }
1229
1230 static int sta_apply_auth_flags(struct ieee80211_local *local,
1231                                 struct sta_info *sta,
1232                                 u32 mask, u32 set)
1233 {
1234         int ret;
1235
1236         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1237             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1238             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1239                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1240                 if (ret)
1241                         return ret;
1242         }
1243
1244         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1245             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1246             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1247                 /*
1248                  * When peer becomes associated, init rate control as
1249                  * well. Some drivers require rate control initialized
1250                  * before drv_sta_state() is called.
1251                  */
1252                 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1253                         rate_control_rate_init(sta);
1254
1255                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1256                 if (ret)
1257                         return ret;
1258         }
1259
1260         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1261                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1262                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1263                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1264                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1265                 else
1266                         ret = 0;
1267                 if (ret)
1268                         return ret;
1269         }
1270
1271         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1272             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1273             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1274                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1275                 if (ret)
1276                         return ret;
1277         }
1278
1279         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1280             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1281             test_sta_flag(sta, WLAN_STA_AUTH)) {
1282                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1283                 if (ret)
1284                         return ret;
1285         }
1286
1287         return 0;
1288 }
1289
1290 static void sta_apply_mesh_params(struct ieee80211_local *local,
1291                                   struct sta_info *sta,
1292                                   struct station_parameters *params)
1293 {
1294 #ifdef CONFIG_MAC80211_MESH
1295         struct ieee80211_sub_if_data *sdata = sta->sdata;
1296         u32 changed = 0;
1297
1298         if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1299                 switch (params->plink_state) {
1300                 case NL80211_PLINK_ESTAB:
1301                         if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1302                                 changed = mesh_plink_inc_estab_count(sdata);
1303                         sta->mesh->plink_state = params->plink_state;
1304                         sta->mesh->aid = params->peer_aid;
1305
1306                         ieee80211_mps_sta_status_update(sta);
1307                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1308                                       sdata->u.mesh.mshcfg.power_mode);
1309
1310                         ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1311                         /* init at low value */
1312                         ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1313
1314                         break;
1315                 case NL80211_PLINK_LISTEN:
1316                 case NL80211_PLINK_BLOCKED:
1317                 case NL80211_PLINK_OPN_SNT:
1318                 case NL80211_PLINK_OPN_RCVD:
1319                 case NL80211_PLINK_CNF_RCVD:
1320                 case NL80211_PLINK_HOLDING:
1321                         if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1322                                 changed = mesh_plink_dec_estab_count(sdata);
1323                         sta->mesh->plink_state = params->plink_state;
1324
1325                         ieee80211_mps_sta_status_update(sta);
1326                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1327                                         NL80211_MESH_POWER_UNKNOWN);
1328                         break;
1329                 default:
1330                         /*  nothing  */
1331                         break;
1332                 }
1333         }
1334
1335         switch (params->plink_action) {
1336         case NL80211_PLINK_ACTION_NO_ACTION:
1337                 /* nothing */
1338                 break;
1339         case NL80211_PLINK_ACTION_OPEN:
1340                 changed |= mesh_plink_open(sta);
1341                 break;
1342         case NL80211_PLINK_ACTION_BLOCK:
1343                 changed |= mesh_plink_block(sta);
1344                 break;
1345         }
1346
1347         if (params->local_pm)
1348                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1349                                                           params->local_pm);
1350
1351         ieee80211_mbss_info_change_notify(sdata, changed);
1352 #endif
1353 }
1354
1355 static int sta_apply_parameters(struct ieee80211_local *local,
1356                                 struct sta_info *sta,
1357                                 struct station_parameters *params)
1358 {
1359         int ret = 0;
1360         struct ieee80211_supported_band *sband;
1361         struct ieee80211_sub_if_data *sdata = sta->sdata;
1362         u32 mask, set;
1363
1364         sband = ieee80211_get_sband(sdata);
1365         if (!sband)
1366                 return -EINVAL;
1367
1368         mask = params->sta_flags_mask;
1369         set = params->sta_flags_set;
1370
1371         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1372                 /*
1373                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1374                  * API but must follow AUTHENTICATED for driver state.
1375                  */
1376                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1377                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1378                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1379                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1380         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1381                 /*
1382                  * TDLS -- everything follows authorized, but
1383                  * only becoming authorized is possible, not
1384                  * going back
1385                  */
1386                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1387                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1388                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1389                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1390                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1391                 }
1392         }
1393
1394         if (mask & BIT(NL80211_STA_FLAG_WME) &&
1395             local->hw.queues >= IEEE80211_NUM_ACS)
1396                 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1397
1398         /* auth flags will be set later for TDLS,
1399          * and for unassociated stations that move to assocaited */
1400         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1401             !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1402               (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1403                 ret = sta_apply_auth_flags(local, sta, mask, set);
1404                 if (ret)
1405                         return ret;
1406         }
1407
1408         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1409                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1410                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1411                 else
1412                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1413         }
1414
1415         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1416                 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1417                 if (set & BIT(NL80211_STA_FLAG_MFP))
1418                         set_sta_flag(sta, WLAN_STA_MFP);
1419                 else
1420                         clear_sta_flag(sta, WLAN_STA_MFP);
1421         }
1422
1423         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1424                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1425                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1426                 else
1427                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1428         }
1429
1430         /* mark TDLS channel switch support, if the AP allows it */
1431         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1432             !sdata->u.mgd.tdls_chan_switch_prohibited &&
1433             params->ext_capab_len >= 4 &&
1434             params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1435                 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1436
1437         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1438             !sdata->u.mgd.tdls_wider_bw_prohibited &&
1439             ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1440             params->ext_capab_len >= 8 &&
1441             params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1442                 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1443
1444         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1445                 sta->sta.uapsd_queues = params->uapsd_queues;
1446                 sta->sta.max_sp = params->max_sp;
1447         }
1448
1449         /* The sender might not have sent the last bit, consider it to be 0 */
1450         if (params->ext_capab_len >= 8) {
1451                 u8 val = (params->ext_capab[7] &
1452                           WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1453
1454                 /* we did get all the bits, take the MSB as well */
1455                 if (params->ext_capab_len >= 9) {
1456                         u8 val_msb = params->ext_capab[8] &
1457                                 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1458                         val_msb <<= 1;
1459                         val |= val_msb;
1460                 }
1461
1462                 switch (val) {
1463                 case 1:
1464                         sta->sta.max_amsdu_subframes = 32;
1465                         break;
1466                 case 2:
1467                         sta->sta.max_amsdu_subframes = 16;
1468                         break;
1469                 case 3:
1470                         sta->sta.max_amsdu_subframes = 8;
1471                         break;
1472                 default:
1473                         sta->sta.max_amsdu_subframes = 0;
1474                 }
1475         }
1476
1477         /*
1478          * cfg80211 validates this (1-2007) and allows setting the AID
1479          * only when creating a new station entry
1480          */
1481         if (params->aid)
1482                 sta->sta.aid = params->aid;
1483
1484         /*
1485          * Some of the following updates would be racy if called on an
1486          * existing station, via ieee80211_change_station(). However,
1487          * all such changes are rejected by cfg80211 except for updates
1488          * changing the supported rates on an existing but not yet used
1489          * TDLS peer.
1490          */
1491
1492         if (params->listen_interval >= 0)
1493                 sta->listen_interval = params->listen_interval;
1494
1495         if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1496                 sta->sta.txpwr.type = params->txpwr.type;
1497                 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1498                         sta->sta.txpwr.power = params->txpwr.power;
1499                 ret = drv_sta_set_txpwr(local, sdata, sta);
1500                 if (ret)
1501                         return ret;
1502         }
1503
1504         if (params->supported_rates && params->supported_rates_len) {
1505                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1506                                          sband, params->supported_rates,
1507                                          params->supported_rates_len,
1508                                          &sta->sta.supp_rates[sband->band]);
1509         }
1510
1511         if (params->ht_capa)
1512                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1513                                                   params->ht_capa, sta);
1514
1515         /* VHT can override some HT caps such as the A-MSDU max length */
1516         if (params->vht_capa)
1517                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1518                                                     params->vht_capa, sta);
1519
1520         if (params->he_capa)
1521                 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1522                                                   (void *)params->he_capa,
1523                                                   params->he_capa_len,
1524                                                   (void *)params->he_6ghz_capa,
1525                                                   sta);
1526
1527         if (params->opmode_notif_used) {
1528                 /* returned value is only needed for rc update, but the
1529                  * rc isn't initialized here yet, so ignore it
1530                  */
1531                 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1532                                               sband->band);
1533         }
1534
1535         if (params->support_p2p_ps >= 0)
1536                 sta->sta.support_p2p_ps = params->support_p2p_ps;
1537
1538         if (ieee80211_vif_is_mesh(&sdata->vif))
1539                 sta_apply_mesh_params(local, sta, params);
1540
1541         if (params->airtime_weight)
1542                 sta->airtime_weight = params->airtime_weight;
1543
1544         /* set the STA state after all sta info from usermode has been set */
1545         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1546             set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1547                 ret = sta_apply_auth_flags(local, sta, mask, set);
1548                 if (ret)
1549                         return ret;
1550         }
1551
1552         return 0;
1553 }
1554
1555 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1556                                  const u8 *mac,
1557                                  struct station_parameters *params)
1558 {
1559         struct ieee80211_local *local = wiphy_priv(wiphy);
1560         struct sta_info *sta;
1561         struct ieee80211_sub_if_data *sdata;
1562         int err;
1563
1564         if (params->vlan) {
1565                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1566
1567                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1568                     sdata->vif.type != NL80211_IFTYPE_AP)
1569                         return -EINVAL;
1570         } else
1571                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1572
1573         if (ether_addr_equal(mac, sdata->vif.addr))
1574                 return -EINVAL;
1575
1576         if (!is_valid_ether_addr(mac))
1577                 return -EINVAL;
1578
1579         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1580             sdata->vif.type == NL80211_IFTYPE_STATION &&
1581             !sdata->u.mgd.associated)
1582                 return -EINVAL;
1583
1584         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1585         if (!sta)
1586                 return -ENOMEM;
1587
1588         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1589                 sta->sta.tdls = true;
1590
1591         err = sta_apply_parameters(local, sta, params);
1592         if (err) {
1593                 sta_info_free(local, sta);
1594                 return err;
1595         }
1596
1597         /*
1598          * for TDLS and for unassociated station, rate control should be
1599          * initialized only when rates are known and station is marked
1600          * authorized/associated
1601          */
1602         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1603             test_sta_flag(sta, WLAN_STA_ASSOC))
1604                 rate_control_rate_init(sta);
1605
1606         err = sta_info_insert_rcu(sta);
1607         if (err) {
1608                 rcu_read_unlock();
1609                 return err;
1610         }
1611
1612         rcu_read_unlock();
1613
1614         return 0;
1615 }
1616
1617 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1618                                  struct station_del_parameters *params)
1619 {
1620         struct ieee80211_sub_if_data *sdata;
1621
1622         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1623
1624         if (params->mac)
1625                 return sta_info_destroy_addr_bss(sdata, params->mac);
1626
1627         sta_info_flush(sdata);
1628         return 0;
1629 }
1630
1631 static int ieee80211_change_station(struct wiphy *wiphy,
1632                                     struct net_device *dev, const u8 *mac,
1633                                     struct station_parameters *params)
1634 {
1635         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636         struct ieee80211_local *local = wiphy_priv(wiphy);
1637         struct sta_info *sta;
1638         struct ieee80211_sub_if_data *vlansdata;
1639         enum cfg80211_station_type statype;
1640         int err;
1641
1642         mutex_lock(&local->sta_mtx);
1643
1644         sta = sta_info_get_bss(sdata, mac);
1645         if (!sta) {
1646                 err = -ENOENT;
1647                 goto out_err;
1648         }
1649
1650         switch (sdata->vif.type) {
1651         case NL80211_IFTYPE_MESH_POINT:
1652                 if (sdata->u.mesh.user_mpm)
1653                         statype = CFG80211_STA_MESH_PEER_USER;
1654                 else
1655                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1656                 break;
1657         case NL80211_IFTYPE_ADHOC:
1658                 statype = CFG80211_STA_IBSS;
1659                 break;
1660         case NL80211_IFTYPE_STATION:
1661                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1662                         statype = CFG80211_STA_AP_STA;
1663                         break;
1664                 }
1665                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1666                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1667                 else
1668                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1669                 break;
1670         case NL80211_IFTYPE_AP:
1671         case NL80211_IFTYPE_AP_VLAN:
1672                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1673                         statype = CFG80211_STA_AP_CLIENT;
1674                 else
1675                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1676                 break;
1677         default:
1678                 err = -EOPNOTSUPP;
1679                 goto out_err;
1680         }
1681
1682         err = cfg80211_check_station_change(wiphy, params, statype);
1683         if (err)
1684                 goto out_err;
1685
1686         if (params->vlan && params->vlan != sta->sdata->dev) {
1687                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1688
1689                 if (params->vlan->ieee80211_ptr->use_4addr) {
1690                         if (vlansdata->u.vlan.sta) {
1691                                 err = -EBUSY;
1692                                 goto out_err;
1693                         }
1694
1695                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1696                         __ieee80211_check_fast_rx_iface(vlansdata);
1697                 }
1698
1699                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1700                     sta->sdata->u.vlan.sta)
1701                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1702
1703                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1704                         ieee80211_vif_dec_num_mcast(sta->sdata);
1705
1706                 sta->sdata = vlansdata;
1707                 ieee80211_check_fast_xmit(sta);
1708
1709                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1710                         ieee80211_vif_inc_num_mcast(sta->sdata);
1711                         cfg80211_send_layer2_update(sta->sdata->dev,
1712                                                     sta->sta.addr);
1713                 }
1714         }
1715
1716         err = sta_apply_parameters(local, sta, params);
1717         if (err)
1718                 goto out_err;
1719
1720         mutex_unlock(&local->sta_mtx);
1721
1722         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1723             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1724                 ieee80211_recalc_ps(local);
1725                 ieee80211_recalc_ps_vif(sdata);
1726         }
1727
1728         return 0;
1729 out_err:
1730         mutex_unlock(&local->sta_mtx);
1731         return err;
1732 }
1733
1734 #ifdef CONFIG_MAC80211_MESH
1735 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1736                                const u8 *dst, const u8 *next_hop)
1737 {
1738         struct ieee80211_sub_if_data *sdata;
1739         struct mesh_path *mpath;
1740         struct sta_info *sta;
1741
1742         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1743
1744         rcu_read_lock();
1745         sta = sta_info_get(sdata, next_hop);
1746         if (!sta) {
1747                 rcu_read_unlock();
1748                 return -ENOENT;
1749         }
1750
1751         mpath = mesh_path_add(sdata, dst);
1752         if (IS_ERR(mpath)) {
1753                 rcu_read_unlock();
1754                 return PTR_ERR(mpath);
1755         }
1756
1757         mesh_path_fix_nexthop(mpath, sta);
1758
1759         rcu_read_unlock();
1760         return 0;
1761 }
1762
1763 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1764                                const u8 *dst)
1765 {
1766         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1767
1768         if (dst)
1769                 return mesh_path_del(sdata, dst);
1770
1771         mesh_path_flush_by_iface(sdata);
1772         return 0;
1773 }
1774
1775 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1776                                   const u8 *dst, const u8 *next_hop)
1777 {
1778         struct ieee80211_sub_if_data *sdata;
1779         struct mesh_path *mpath;
1780         struct sta_info *sta;
1781
1782         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1783
1784         rcu_read_lock();
1785
1786         sta = sta_info_get(sdata, next_hop);
1787         if (!sta) {
1788                 rcu_read_unlock();
1789                 return -ENOENT;
1790         }
1791
1792         mpath = mesh_path_lookup(sdata, dst);
1793         if (!mpath) {
1794                 rcu_read_unlock();
1795                 return -ENOENT;
1796         }
1797
1798         mesh_path_fix_nexthop(mpath, sta);
1799
1800         rcu_read_unlock();
1801         return 0;
1802 }
1803
1804 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1805                             struct mpath_info *pinfo)
1806 {
1807         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1808
1809         if (next_hop_sta)
1810                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1811         else
1812                 eth_zero_addr(next_hop);
1813
1814         memset(pinfo, 0, sizeof(*pinfo));
1815
1816         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1817
1818         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1819                         MPATH_INFO_SN |
1820                         MPATH_INFO_METRIC |
1821                         MPATH_INFO_EXPTIME |
1822                         MPATH_INFO_DISCOVERY_TIMEOUT |
1823                         MPATH_INFO_DISCOVERY_RETRIES |
1824                         MPATH_INFO_FLAGS |
1825                         MPATH_INFO_HOP_COUNT |
1826                         MPATH_INFO_PATH_CHANGE;
1827
1828         pinfo->frame_qlen = mpath->frame_queue.qlen;
1829         pinfo->sn = mpath->sn;
1830         pinfo->metric = mpath->metric;
1831         if (time_before(jiffies, mpath->exp_time))
1832                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1833         pinfo->discovery_timeout =
1834                         jiffies_to_msecs(mpath->discovery_timeout);
1835         pinfo->discovery_retries = mpath->discovery_retries;
1836         if (mpath->flags & MESH_PATH_ACTIVE)
1837                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1838         if (mpath->flags & MESH_PATH_RESOLVING)
1839                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1840         if (mpath->flags & MESH_PATH_SN_VALID)
1841                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1842         if (mpath->flags & MESH_PATH_FIXED)
1843                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1844         if (mpath->flags & MESH_PATH_RESOLVED)
1845                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1846         pinfo->hop_count = mpath->hop_count;
1847         pinfo->path_change_count = mpath->path_change_count;
1848 }
1849
1850 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1851                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1852
1853 {
1854         struct ieee80211_sub_if_data *sdata;
1855         struct mesh_path *mpath;
1856
1857         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1858
1859         rcu_read_lock();
1860         mpath = mesh_path_lookup(sdata, dst);
1861         if (!mpath) {
1862                 rcu_read_unlock();
1863                 return -ENOENT;
1864         }
1865         memcpy(dst, mpath->dst, ETH_ALEN);
1866         mpath_set_pinfo(mpath, next_hop, pinfo);
1867         rcu_read_unlock();
1868         return 0;
1869 }
1870
1871 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1872                                 int idx, u8 *dst, u8 *next_hop,
1873                                 struct mpath_info *pinfo)
1874 {
1875         struct ieee80211_sub_if_data *sdata;
1876         struct mesh_path *mpath;
1877
1878         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1879
1880         rcu_read_lock();
1881         mpath = mesh_path_lookup_by_idx(sdata, idx);
1882         if (!mpath) {
1883                 rcu_read_unlock();
1884                 return -ENOENT;
1885         }
1886         memcpy(dst, mpath->dst, ETH_ALEN);
1887         mpath_set_pinfo(mpath, next_hop, pinfo);
1888         rcu_read_unlock();
1889         return 0;
1890 }
1891
1892 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1893                           struct mpath_info *pinfo)
1894 {
1895         memset(pinfo, 0, sizeof(*pinfo));
1896         memcpy(mpp, mpath->mpp, ETH_ALEN);
1897
1898         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1899 }
1900
1901 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1902                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1903
1904 {
1905         struct ieee80211_sub_if_data *sdata;
1906         struct mesh_path *mpath;
1907
1908         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1909
1910         rcu_read_lock();
1911         mpath = mpp_path_lookup(sdata, dst);
1912         if (!mpath) {
1913                 rcu_read_unlock();
1914                 return -ENOENT;
1915         }
1916         memcpy(dst, mpath->dst, ETH_ALEN);
1917         mpp_set_pinfo(mpath, mpp, pinfo);
1918         rcu_read_unlock();
1919         return 0;
1920 }
1921
1922 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1923                               int idx, u8 *dst, u8 *mpp,
1924                               struct mpath_info *pinfo)
1925 {
1926         struct ieee80211_sub_if_data *sdata;
1927         struct mesh_path *mpath;
1928
1929         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1930
1931         rcu_read_lock();
1932         mpath = mpp_path_lookup_by_idx(sdata, idx);
1933         if (!mpath) {
1934                 rcu_read_unlock();
1935                 return -ENOENT;
1936         }
1937         memcpy(dst, mpath->dst, ETH_ALEN);
1938         mpp_set_pinfo(mpath, mpp, pinfo);
1939         rcu_read_unlock();
1940         return 0;
1941 }
1942
1943 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1944                                 struct net_device *dev,
1945                                 struct mesh_config *conf)
1946 {
1947         struct ieee80211_sub_if_data *sdata;
1948         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1949
1950         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1951         return 0;
1952 }
1953
1954 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1955 {
1956         return (mask >> (parm-1)) & 0x1;
1957 }
1958
1959 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1960                 const struct mesh_setup *setup)
1961 {
1962         u8 *new_ie;
1963         const u8 *old_ie;
1964         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1965                                         struct ieee80211_sub_if_data, u.mesh);
1966         int i;
1967
1968         /* allocate information elements */
1969         new_ie = NULL;
1970         old_ie = ifmsh->ie;
1971
1972         if (setup->ie_len) {
1973                 new_ie = kmemdup(setup->ie, setup->ie_len,
1974                                 GFP_KERNEL);
1975                 if (!new_ie)
1976                         return -ENOMEM;
1977         }
1978         ifmsh->ie_len = setup->ie_len;
1979         ifmsh->ie = new_ie;
1980         kfree(old_ie);
1981
1982         /* now copy the rest of the setup parameters */
1983         ifmsh->mesh_id_len = setup->mesh_id_len;
1984         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1985         ifmsh->mesh_sp_id = setup->sync_method;
1986         ifmsh->mesh_pp_id = setup->path_sel_proto;
1987         ifmsh->mesh_pm_id = setup->path_metric;
1988         ifmsh->user_mpm = setup->user_mpm;
1989         ifmsh->mesh_auth_id = setup->auth_id;
1990         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1991         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1992         if (setup->is_authenticated)
1993                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1994         if (setup->is_secure)
1995                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1996
1997         /* mcast rate setting in Mesh Node */
1998         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1999                                                 sizeof(setup->mcast_rate));
2000         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2001
2002         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2003         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2004
2005         sdata->beacon_rate_set = false;
2006         if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2007                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2008                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2009                         sdata->beacon_rateidx_mask[i] =
2010                                 setup->beacon_rate.control[i].legacy;
2011                         if (sdata->beacon_rateidx_mask[i])
2012                                 sdata->beacon_rate_set = true;
2013                 }
2014         }
2015
2016         return 0;
2017 }
2018
2019 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2020                                         struct net_device *dev, u32 mask,
2021                                         const struct mesh_config *nconf)
2022 {
2023         struct mesh_config *conf;
2024         struct ieee80211_sub_if_data *sdata;
2025         struct ieee80211_if_mesh *ifmsh;
2026
2027         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028         ifmsh = &sdata->u.mesh;
2029
2030         /* Set the config options which we are interested in setting */
2031         conf = &(sdata->u.mesh.mshcfg);
2032         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2033                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2034         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2035                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2036         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2037                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2038         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2039                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2040         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2041                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2042         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2043                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2044         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2045                 conf->element_ttl = nconf->element_ttl;
2046         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2047                 if (ifmsh->user_mpm)
2048                         return -EBUSY;
2049                 conf->auto_open_plinks = nconf->auto_open_plinks;
2050         }
2051         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2052                 conf->dot11MeshNbrOffsetMaxNeighbor =
2053                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2054         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2055                 conf->dot11MeshHWMPmaxPREQretries =
2056                         nconf->dot11MeshHWMPmaxPREQretries;
2057         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2058                 conf->path_refresh_time = nconf->path_refresh_time;
2059         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2060                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2061         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2062                 conf->dot11MeshHWMPactivePathTimeout =
2063                         nconf->dot11MeshHWMPactivePathTimeout;
2064         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2065                 conf->dot11MeshHWMPpreqMinInterval =
2066                         nconf->dot11MeshHWMPpreqMinInterval;
2067         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2068                 conf->dot11MeshHWMPperrMinInterval =
2069                         nconf->dot11MeshHWMPperrMinInterval;
2070         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2071                            mask))
2072                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2073                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2074         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2075                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2076                 ieee80211_mesh_root_setup(ifmsh);
2077         }
2078         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2079                 /* our current gate announcement implementation rides on root
2080                  * announcements, so require this ifmsh to also be a root node
2081                  * */
2082                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2083                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2084                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2085                         ieee80211_mesh_root_setup(ifmsh);
2086                 }
2087                 conf->dot11MeshGateAnnouncementProtocol =
2088                         nconf->dot11MeshGateAnnouncementProtocol;
2089         }
2090         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2091                 conf->dot11MeshHWMPRannInterval =
2092                         nconf->dot11MeshHWMPRannInterval;
2093         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2094                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2095         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2096                 /* our RSSI threshold implementation is supported only for
2097                  * devices that report signal in dBm.
2098                  */
2099                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2100                         return -ENOTSUPP;
2101                 conf->rssi_threshold = nconf->rssi_threshold;
2102         }
2103         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2104                 conf->ht_opmode = nconf->ht_opmode;
2105                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2106                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2107         }
2108         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2109                 conf->dot11MeshHWMPactivePathToRootTimeout =
2110                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2111         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2112                 conf->dot11MeshHWMProotInterval =
2113                         nconf->dot11MeshHWMProotInterval;
2114         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2115                 conf->dot11MeshHWMPconfirmationInterval =
2116                         nconf->dot11MeshHWMPconfirmationInterval;
2117         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2118                 conf->power_mode = nconf->power_mode;
2119                 ieee80211_mps_local_status_update(sdata);
2120         }
2121         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2122                 conf->dot11MeshAwakeWindowDuration =
2123                         nconf->dot11MeshAwakeWindowDuration;
2124         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2125                 conf->plink_timeout = nconf->plink_timeout;
2126         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2127                 conf->dot11MeshConnectedToMeshGate =
2128                         nconf->dot11MeshConnectedToMeshGate;
2129         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2130         return 0;
2131 }
2132
2133 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2134                                const struct mesh_config *conf,
2135                                const struct mesh_setup *setup)
2136 {
2137         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2138         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2139         int err;
2140
2141         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2142         err = copy_mesh_setup(ifmsh, setup);
2143         if (err)
2144                 return err;
2145
2146         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2147
2148         /* can mesh use other SMPS modes? */
2149         sdata->smps_mode = IEEE80211_SMPS_OFF;
2150         sdata->needed_rx_chains = sdata->local->rx_chains;
2151
2152         mutex_lock(&sdata->local->mtx);
2153         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2154                                         IEEE80211_CHANCTX_SHARED);
2155         mutex_unlock(&sdata->local->mtx);
2156         if (err)
2157                 return err;
2158
2159         return ieee80211_start_mesh(sdata);
2160 }
2161
2162 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2163 {
2164         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2165
2166         ieee80211_stop_mesh(sdata);
2167         mutex_lock(&sdata->local->mtx);
2168         ieee80211_vif_release_channel(sdata);
2169         mutex_unlock(&sdata->local->mtx);
2170
2171         return 0;
2172 }
2173 #endif
2174
2175 static int ieee80211_change_bss(struct wiphy *wiphy,
2176                                 struct net_device *dev,
2177                                 struct bss_parameters *params)
2178 {
2179         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2180         struct ieee80211_supported_band *sband;
2181         u32 changed = 0;
2182
2183         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2184                 return -ENOENT;
2185
2186         sband = ieee80211_get_sband(sdata);
2187         if (!sband)
2188                 return -EINVAL;
2189
2190         if (params->use_cts_prot >= 0) {
2191                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2192                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2193         }
2194         if (params->use_short_preamble >= 0) {
2195                 sdata->vif.bss_conf.use_short_preamble =
2196                         params->use_short_preamble;
2197                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2198         }
2199
2200         if (!sdata->vif.bss_conf.use_short_slot &&
2201             (sband->band == NL80211_BAND_5GHZ ||
2202              sband->band == NL80211_BAND_6GHZ)) {
2203                 sdata->vif.bss_conf.use_short_slot = true;
2204                 changed |= BSS_CHANGED_ERP_SLOT;
2205         }
2206
2207         if (params->use_short_slot_time >= 0) {
2208                 sdata->vif.bss_conf.use_short_slot =
2209                         params->use_short_slot_time;
2210                 changed |= BSS_CHANGED_ERP_SLOT;
2211         }
2212
2213         if (params->basic_rates) {
2214                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2215                                          wiphy->bands[sband->band],
2216                                          params->basic_rates,
2217                                          params->basic_rates_len,
2218                                          &sdata->vif.bss_conf.basic_rates);
2219                 changed |= BSS_CHANGED_BASIC_RATES;
2220                 ieee80211_check_rate_mask(sdata);
2221         }
2222
2223         if (params->ap_isolate >= 0) {
2224                 if (params->ap_isolate)
2225                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2226                 else
2227                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2228                 ieee80211_check_fast_rx_iface(sdata);
2229         }
2230
2231         if (params->ht_opmode >= 0) {
2232                 sdata->vif.bss_conf.ht_operation_mode =
2233                         (u16) params->ht_opmode;
2234                 changed |= BSS_CHANGED_HT;
2235         }
2236
2237         if (params->p2p_ctwindow >= 0) {
2238                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2239                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2240                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2241                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2242                 changed |= BSS_CHANGED_P2P_PS;
2243         }
2244
2245         if (params->p2p_opp_ps > 0) {
2246                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2247                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2248                 changed |= BSS_CHANGED_P2P_PS;
2249         } else if (params->p2p_opp_ps == 0) {
2250                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2251                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2252                 changed |= BSS_CHANGED_P2P_PS;
2253         }
2254
2255         ieee80211_bss_info_change_notify(sdata, changed);
2256
2257         return 0;
2258 }
2259
2260 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2261                                     struct net_device *dev,
2262                                     struct ieee80211_txq_params *params)
2263 {
2264         struct ieee80211_local *local = wiphy_priv(wiphy);
2265         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2266         struct ieee80211_tx_queue_params p;
2267
2268         if (!local->ops->conf_tx)
2269                 return -EOPNOTSUPP;
2270
2271         if (local->hw.queues < IEEE80211_NUM_ACS)
2272                 return -EOPNOTSUPP;
2273
2274         memset(&p, 0, sizeof(p));
2275         p.aifs = params->aifs;
2276         p.cw_max = params->cwmax;
2277         p.cw_min = params->cwmin;
2278         p.txop = params->txop;
2279
2280         /*
2281          * Setting tx queue params disables u-apsd because it's only
2282          * called in master mode.
2283          */
2284         p.uapsd = false;
2285
2286         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2287
2288         sdata->tx_conf[params->ac] = p;
2289         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2290                 wiphy_debug(local->hw.wiphy,
2291                             "failed to set TX queue parameters for AC %d\n",
2292                             params->ac);
2293                 return -EINVAL;
2294         }
2295
2296         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2297
2298         return 0;
2299 }
2300
2301 #ifdef CONFIG_PM
2302 static int ieee80211_suspend(struct wiphy *wiphy,
2303                              struct cfg80211_wowlan *wowlan)
2304 {
2305         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2306 }
2307
2308 static int ieee80211_resume(struct wiphy *wiphy)
2309 {
2310         return __ieee80211_resume(wiphy_priv(wiphy));
2311 }
2312 #else
2313 #define ieee80211_suspend NULL
2314 #define ieee80211_resume NULL
2315 #endif
2316
2317 static int ieee80211_scan(struct wiphy *wiphy,
2318                           struct cfg80211_scan_request *req)
2319 {
2320         struct ieee80211_sub_if_data *sdata;
2321
2322         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2323
2324         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2325         case NL80211_IFTYPE_STATION:
2326         case NL80211_IFTYPE_ADHOC:
2327         case NL80211_IFTYPE_MESH_POINT:
2328         case NL80211_IFTYPE_P2P_CLIENT:
2329         case NL80211_IFTYPE_P2P_DEVICE:
2330                 break;
2331         case NL80211_IFTYPE_P2P_GO:
2332                 if (sdata->local->ops->hw_scan)
2333                         break;
2334                 /*
2335                  * FIXME: implement NoA while scanning in software,
2336                  * for now fall through to allow scanning only when
2337                  * beaconing hasn't been configured yet
2338                  */
2339                 /* fall through */
2340         case NL80211_IFTYPE_AP:
2341                 /*
2342                  * If the scan has been forced (and the driver supports
2343                  * forcing), don't care about being beaconing already.
2344                  * This will create problems to the attached stations (e.g. all
2345                  * the  frames sent while scanning on other channel will be
2346                  * lost)
2347                  */
2348                 if (sdata->u.ap.beacon &&
2349                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2350                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2351                         return -EOPNOTSUPP;
2352                 break;
2353         case NL80211_IFTYPE_NAN:
2354         default:
2355                 return -EOPNOTSUPP;
2356         }
2357
2358         return ieee80211_request_scan(sdata, req);
2359 }
2360
2361 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2362 {
2363         ieee80211_scan_cancel(wiphy_priv(wiphy));
2364 }
2365
2366 static int
2367 ieee80211_sched_scan_start(struct wiphy *wiphy,
2368                            struct net_device *dev,
2369                            struct cfg80211_sched_scan_request *req)
2370 {
2371         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2372
2373         if (!sdata->local->ops->sched_scan_start)
2374                 return -EOPNOTSUPP;
2375
2376         return ieee80211_request_sched_scan_start(sdata, req);
2377 }
2378
2379 static int
2380 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2381                           u64 reqid)
2382 {
2383         struct ieee80211_local *local = wiphy_priv(wiphy);
2384
2385         if (!local->ops->sched_scan_stop)
2386                 return -EOPNOTSUPP;
2387
2388         return ieee80211_request_sched_scan_stop(local);
2389 }
2390
2391 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2392                           struct cfg80211_auth_request *req)
2393 {
2394         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2395 }
2396
2397 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2398                            struct cfg80211_assoc_request *req)
2399 {
2400         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2401 }
2402
2403 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2404                             struct cfg80211_deauth_request *req)
2405 {
2406         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2407 }
2408
2409 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2410                               struct cfg80211_disassoc_request *req)
2411 {
2412         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2413 }
2414
2415 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2416                                struct cfg80211_ibss_params *params)
2417 {
2418         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2419 }
2420
2421 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2422 {
2423         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2424 }
2425
2426 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2427                               struct ocb_setup *setup)
2428 {
2429         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2430 }
2431
2432 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2433 {
2434         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2435 }
2436
2437 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2438                                     int rate[NUM_NL80211_BANDS])
2439 {
2440         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2441
2442         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2443                sizeof(int) * NUM_NL80211_BANDS);
2444
2445         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2446
2447         return 0;
2448 }
2449
2450 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2451 {
2452         struct ieee80211_local *local = wiphy_priv(wiphy);
2453         int err;
2454
2455         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2456                 ieee80211_check_fast_xmit_all(local);
2457
2458                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2459
2460                 if (err) {
2461                         ieee80211_check_fast_xmit_all(local);
2462                         return err;
2463                 }
2464         }
2465
2466         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2467             (changed & WIPHY_PARAM_DYN_ACK)) {
2468                 s16 coverage_class;
2469
2470                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2471                                         wiphy->coverage_class : -1;
2472                 err = drv_set_coverage_class(local, coverage_class);
2473
2474                 if (err)
2475                         return err;
2476         }
2477
2478         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2479                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2480
2481                 if (err)
2482                         return err;
2483         }
2484
2485         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2486                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2487                         return -EINVAL;
2488                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2489         }
2490         if (changed & WIPHY_PARAM_RETRY_LONG) {
2491                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2492                         return -EINVAL;
2493                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2494         }
2495         if (changed &
2496             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2497                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2498
2499         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2500                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2501                        WIPHY_PARAM_TXQ_QUANTUM))
2502                 ieee80211_txq_set_params(local);
2503
2504         return 0;
2505 }
2506
2507 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2508                                   struct wireless_dev *wdev,
2509                                   enum nl80211_tx_power_setting type, int mbm)
2510 {
2511         struct ieee80211_local *local = wiphy_priv(wiphy);
2512         struct ieee80211_sub_if_data *sdata;
2513         enum nl80211_tx_power_setting txp_type = type;
2514         bool update_txp_type = false;
2515         bool has_monitor = false;
2516
2517         if (wdev) {
2518                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2519
2520                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2521                         sdata = rtnl_dereference(local->monitor_sdata);
2522                         if (!sdata)
2523                                 return -EOPNOTSUPP;
2524                 }
2525
2526                 switch (type) {
2527                 case NL80211_TX_POWER_AUTOMATIC:
2528                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2529                         txp_type = NL80211_TX_POWER_LIMITED;
2530                         break;
2531                 case NL80211_TX_POWER_LIMITED:
2532                 case NL80211_TX_POWER_FIXED:
2533                         if (mbm < 0 || (mbm % 100))
2534                                 return -EOPNOTSUPP;
2535                         sdata->user_power_level = MBM_TO_DBM(mbm);
2536                         break;
2537                 }
2538
2539                 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2540                         update_txp_type = true;
2541                         sdata->vif.bss_conf.txpower_type = txp_type;
2542                 }
2543
2544                 ieee80211_recalc_txpower(sdata, update_txp_type);
2545
2546                 return 0;
2547         }
2548
2549         switch (type) {
2550         case NL80211_TX_POWER_AUTOMATIC:
2551                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2552                 txp_type = NL80211_TX_POWER_LIMITED;
2553                 break;
2554         case NL80211_TX_POWER_LIMITED:
2555         case NL80211_TX_POWER_FIXED:
2556                 if (mbm < 0 || (mbm % 100))
2557                         return -EOPNOTSUPP;
2558                 local->user_power_level = MBM_TO_DBM(mbm);
2559                 break;
2560         }
2561
2562         mutex_lock(&local->iflist_mtx);
2563         list_for_each_entry(sdata, &local->interfaces, list) {
2564                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2565                         has_monitor = true;
2566                         continue;
2567                 }
2568                 sdata->user_power_level = local->user_power_level;
2569                 if (txp_type != sdata->vif.bss_conf.txpower_type)
2570                         update_txp_type = true;
2571                 sdata->vif.bss_conf.txpower_type = txp_type;
2572         }
2573         list_for_each_entry(sdata, &local->interfaces, list) {
2574                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2575                         continue;
2576                 ieee80211_recalc_txpower(sdata, update_txp_type);
2577         }
2578         mutex_unlock(&local->iflist_mtx);
2579
2580         if (has_monitor) {
2581                 sdata = rtnl_dereference(local->monitor_sdata);
2582                 if (sdata) {
2583                         sdata->user_power_level = local->user_power_level;
2584                         if (txp_type != sdata->vif.bss_conf.txpower_type)
2585                                 update_txp_type = true;
2586                         sdata->vif.bss_conf.txpower_type = txp_type;
2587
2588                         ieee80211_recalc_txpower(sdata, update_txp_type);
2589                 }
2590         }
2591
2592         return 0;
2593 }
2594
2595 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2596                                   struct wireless_dev *wdev,
2597                                   int *dbm)
2598 {
2599         struct ieee80211_local *local = wiphy_priv(wiphy);
2600         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2601
2602         if (local->ops->get_txpower)
2603                 return drv_get_txpower(local, sdata, dbm);
2604
2605         if (!local->use_chanctx)
2606                 *dbm = local->hw.conf.power_level;
2607         else
2608                 *dbm = sdata->vif.bss_conf.txpower;
2609
2610         return 0;
2611 }
2612
2613 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2614                                   const u8 *addr)
2615 {
2616         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2617
2618         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2619
2620         return 0;
2621 }
2622
2623 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2624 {
2625         struct ieee80211_local *local = wiphy_priv(wiphy);
2626
2627         drv_rfkill_poll(local);
2628 }
2629
2630 #ifdef CONFIG_NL80211_TESTMODE
2631 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2632                                   struct wireless_dev *wdev,
2633                                   void *data, int len)
2634 {
2635         struct ieee80211_local *local = wiphy_priv(wiphy);
2636         struct ieee80211_vif *vif = NULL;
2637
2638         if (!local->ops->testmode_cmd)
2639                 return -EOPNOTSUPP;
2640
2641         if (wdev) {
2642                 struct ieee80211_sub_if_data *sdata;
2643
2644                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2645                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2646                         vif = &sdata->vif;
2647         }
2648
2649         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2650 }
2651
2652 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2653                                    struct sk_buff *skb,
2654                                    struct netlink_callback *cb,
2655                                    void *data, int len)
2656 {
2657         struct ieee80211_local *local = wiphy_priv(wiphy);
2658
2659         if (!local->ops->testmode_dump)
2660                 return -EOPNOTSUPP;
2661
2662         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2663 }
2664 #endif
2665
2666 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2667                                  enum ieee80211_smps_mode smps_mode)
2668 {
2669         const u8 *ap;
2670         enum ieee80211_smps_mode old_req;
2671         int err;
2672         struct sta_info *sta;
2673         bool tdls_peer_found = false;
2674
2675         lockdep_assert_held(&sdata->wdev.mtx);
2676
2677         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2678                 return -EINVAL;
2679
2680         old_req = sdata->u.mgd.req_smps;
2681         sdata->u.mgd.req_smps = smps_mode;
2682
2683         if (old_req == smps_mode &&
2684             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2685                 return 0;
2686
2687         /*
2688          * If not associated, or current association is not an HT
2689          * association, there's no need to do anything, just store
2690          * the new value until we associate.
2691          */
2692         if (!sdata->u.mgd.associated ||
2693             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2694                 return 0;
2695
2696         ap = sdata->u.mgd.associated->bssid;
2697
2698         rcu_read_lock();
2699         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2700                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2701                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2702                         continue;
2703
2704                 tdls_peer_found = true;
2705                 break;
2706         }
2707         rcu_read_unlock();
2708
2709         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2710                 if (tdls_peer_found || !sdata->u.mgd.powersave)
2711                         smps_mode = IEEE80211_SMPS_OFF;
2712                 else
2713                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2714         }
2715
2716         /* send SM PS frame to AP */
2717         err = ieee80211_send_smps_action(sdata, smps_mode,
2718                                          ap, ap);
2719         if (err)
2720                 sdata->u.mgd.req_smps = old_req;
2721         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2722                 ieee80211_teardown_tdls_peers(sdata);
2723
2724         return err;
2725 }
2726
2727 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2728                                     bool enabled, int timeout)
2729 {
2730         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2731         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2732
2733         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2734                 return -EOPNOTSUPP;
2735
2736         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2737                 return -EOPNOTSUPP;
2738
2739         if (enabled == sdata->u.mgd.powersave &&
2740             timeout == local->dynamic_ps_forced_timeout)
2741                 return 0;
2742
2743         sdata->u.mgd.powersave = enabled;
2744         local->dynamic_ps_forced_timeout = timeout;
2745
2746         /* no change, but if automatic follow powersave */
2747         sdata_lock(sdata);
2748         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2749         sdata_unlock(sdata);
2750
2751         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2752                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2753
2754         ieee80211_recalc_ps(local);
2755         ieee80211_recalc_ps_vif(sdata);
2756         ieee80211_check_fast_rx_iface(sdata);
2757
2758         return 0;
2759 }
2760
2761 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2762                                          struct net_device *dev,
2763                                          s32 rssi_thold, u32 rssi_hyst)
2764 {
2765         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2766         struct ieee80211_vif *vif = &sdata->vif;
2767         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2768
2769         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2770             rssi_hyst == bss_conf->cqm_rssi_hyst)
2771                 return 0;
2772
2773         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2774             !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2775                 return -EOPNOTSUPP;
2776
2777         bss_conf->cqm_rssi_thold = rssi_thold;
2778         bss_conf->cqm_rssi_hyst = rssi_hyst;
2779         bss_conf->cqm_rssi_low = 0;
2780         bss_conf->cqm_rssi_high = 0;
2781         sdata->u.mgd.last_cqm_event_signal = 0;
2782
2783         /* tell the driver upon association, unless already associated */
2784         if (sdata->u.mgd.associated &&
2785             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2786                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2787
2788         return 0;
2789 }
2790
2791 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2792                                                struct net_device *dev,
2793                                                s32 rssi_low, s32 rssi_high)
2794 {
2795         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2796         struct ieee80211_vif *vif = &sdata->vif;
2797         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2798
2799         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2800                 return -EOPNOTSUPP;
2801
2802         bss_conf->cqm_rssi_low = rssi_low;
2803         bss_conf->cqm_rssi_high = rssi_high;
2804         bss_conf->cqm_rssi_thold = 0;
2805         bss_conf->cqm_rssi_hyst = 0;
2806         sdata->u.mgd.last_cqm_event_signal = 0;
2807
2808         /* tell the driver upon association, unless already associated */
2809         if (sdata->u.mgd.associated &&
2810             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2811                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2812
2813         return 0;
2814 }
2815
2816 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2817                                       struct net_device *dev,
2818                                       const u8 *addr,
2819                                       const struct cfg80211_bitrate_mask *mask)
2820 {
2821         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2822         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2823         int i, ret;
2824
2825         if (!ieee80211_sdata_running(sdata))
2826                 return -ENETDOWN;
2827
2828         /*
2829          * If active validate the setting and reject it if it doesn't leave
2830          * at least one basic rate usable, since we really have to be able
2831          * to send something, and if we're an AP we have to be able to do
2832          * so at a basic rate so that all clients can receive it.
2833          */
2834         if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2835             sdata->vif.bss_conf.chandef.chan) {
2836                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2837                 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2838
2839                 if (!(mask->control[band].legacy & basic_rates))
2840                         return -EINVAL;
2841         }
2842
2843         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2844                 ret = drv_set_bitrate_mask(local, sdata, mask);
2845                 if (ret)
2846                         return ret;
2847         }
2848
2849         for (i = 0; i < NUM_NL80211_BANDS; i++) {
2850                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2851                 int j;
2852
2853                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2854                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2855                        sizeof(mask->control[i].ht_mcs));
2856                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2857                        mask->control[i].vht_mcs,
2858                        sizeof(mask->control[i].vht_mcs));
2859
2860                 sdata->rc_has_mcs_mask[i] = false;
2861                 sdata->rc_has_vht_mcs_mask[i] = false;
2862                 if (!sband)
2863                         continue;
2864
2865                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2866                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2867                                 sdata->rc_has_mcs_mask[i] = true;
2868                                 break;
2869                         }
2870                 }
2871
2872                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2873                         if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2874                                 sdata->rc_has_vht_mcs_mask[i] = true;
2875                                 break;
2876                         }
2877                 }
2878         }
2879
2880         return 0;
2881 }
2882
2883 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2884                                            struct net_device *dev,
2885                                            struct cfg80211_chan_def *chandef,
2886                                            u32 cac_time_ms)
2887 {
2888         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2889         struct ieee80211_local *local = sdata->local;
2890         int err;
2891
2892         mutex_lock(&local->mtx);
2893         if (!list_empty(&local->roc_list) || local->scanning) {
2894                 err = -EBUSY;
2895                 goto out_unlock;
2896         }
2897
2898         /* whatever, but channel contexts should not complain about that one */
2899         sdata->smps_mode = IEEE80211_SMPS_OFF;
2900         sdata->needed_rx_chains = local->rx_chains;
2901
2902         err = ieee80211_vif_use_channel(sdata, chandef,
2903                                         IEEE80211_CHANCTX_SHARED);
2904         if (err)
2905                 goto out_unlock;
2906
2907         ieee80211_queue_delayed_work(&sdata->local->hw,
2908                                      &sdata->dfs_cac_timer_work,
2909                                      msecs_to_jiffies(cac_time_ms));
2910
2911  out_unlock:
2912         mutex_unlock(&local->mtx);
2913         return err;
2914 }
2915
2916 static void ieee80211_end_cac(struct wiphy *wiphy,
2917                               struct net_device *dev)
2918 {
2919         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2920         struct ieee80211_local *local = sdata->local;
2921
2922         mutex_lock(&local->mtx);
2923         list_for_each_entry(sdata, &local->interfaces, list) {
2924                 /* it might be waiting for the local->mtx, but then
2925                  * by the time it gets it, sdata->wdev.cac_started
2926                  * will no longer be true
2927                  */
2928                 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2929
2930                 if (sdata->wdev.cac_started) {
2931                         ieee80211_vif_release_channel(sdata);
2932                         sdata->wdev.cac_started = false;
2933                 }
2934         }
2935         mutex_unlock(&local->mtx);
2936 }
2937
2938 static struct cfg80211_beacon_data *
2939 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2940 {
2941         struct cfg80211_beacon_data *new_beacon;
2942         u8 *pos;
2943         int len;
2944
2945         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2946               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2947               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2948
2949         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2950         if (!new_beacon)
2951                 return NULL;
2952
2953         pos = (u8 *)(new_beacon + 1);
2954         if (beacon->head_len) {
2955                 new_beacon->head_len = beacon->head_len;
2956                 new_beacon->head = pos;
2957                 memcpy(pos, beacon->head, beacon->head_len);
2958                 pos += beacon->head_len;
2959         }
2960         if (beacon->tail_len) {
2961                 new_beacon->tail_len = beacon->tail_len;
2962                 new_beacon->tail = pos;
2963                 memcpy(pos, beacon->tail, beacon->tail_len);
2964                 pos += beacon->tail_len;
2965         }
2966         if (beacon->beacon_ies_len) {
2967                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2968                 new_beacon->beacon_ies = pos;
2969                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2970                 pos += beacon->beacon_ies_len;
2971         }
2972         if (beacon->proberesp_ies_len) {
2973                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2974                 new_beacon->proberesp_ies = pos;
2975                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2976                 pos += beacon->proberesp_ies_len;
2977         }
2978         if (beacon->assocresp_ies_len) {
2979                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2980                 new_beacon->assocresp_ies = pos;
2981                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2982                 pos += beacon->assocresp_ies_len;
2983         }
2984         if (beacon->probe_resp_len) {
2985                 new_beacon->probe_resp_len = beacon->probe_resp_len;
2986                 new_beacon->probe_resp = pos;
2987                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2988                 pos += beacon->probe_resp_len;
2989         }
2990
2991         /* might copy -1, meaning no changes requested */
2992         new_beacon->ftm_responder = beacon->ftm_responder;
2993         if (beacon->lci) {
2994                 new_beacon->lci_len = beacon->lci_len;
2995                 new_beacon->lci = pos;
2996                 memcpy(pos, beacon->lci, beacon->lci_len);
2997                 pos += beacon->lci_len;
2998         }
2999         if (beacon->civicloc) {
3000                 new_beacon->civicloc_len = beacon->civicloc_len;
3001                 new_beacon->civicloc = pos;
3002                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3003                 pos += beacon->civicloc_len;
3004         }
3005
3006         return new_beacon;
3007 }
3008
3009 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3010 {
3011         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3012
3013         ieee80211_queue_work(&sdata->local->hw,
3014                              &sdata->csa_finalize_work);
3015 }
3016 EXPORT_SYMBOL(ieee80211_csa_finish);
3017
3018 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3019                                           u32 *changed)
3020 {
3021         int err;
3022
3023         switch (sdata->vif.type) {
3024         case NL80211_IFTYPE_AP:
3025                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3026                                               NULL);
3027                 kfree(sdata->u.ap.next_beacon);
3028                 sdata->u.ap.next_beacon = NULL;
3029
3030                 if (err < 0)
3031                         return err;
3032                 *changed |= err;
3033                 break;
3034         case NL80211_IFTYPE_ADHOC:
3035                 err = ieee80211_ibss_finish_csa(sdata);
3036                 if (err < 0)
3037                         return err;
3038                 *changed |= err;
3039                 break;
3040 #ifdef CONFIG_MAC80211_MESH
3041         case NL80211_IFTYPE_MESH_POINT:
3042                 err = ieee80211_mesh_finish_csa(sdata);
3043                 if (err < 0)
3044                         return err;
3045                 *changed |= err;
3046                 break;
3047 #endif
3048         default:
3049                 WARN_ON(1);
3050                 return -EINVAL;
3051         }
3052
3053         return 0;
3054 }
3055
3056 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3057 {
3058         struct ieee80211_local *local = sdata->local;
3059         u32 changed = 0;
3060         int err;
3061
3062         sdata_assert_lock(sdata);
3063         lockdep_assert_held(&local->mtx);
3064         lockdep_assert_held(&local->chanctx_mtx);
3065
3066         /*
3067          * using reservation isn't immediate as it may be deferred until later
3068          * with multi-vif. once reservation is complete it will re-schedule the
3069          * work with no reserved_chanctx so verify chandef to check if it
3070          * completed successfully
3071          */
3072
3073         if (sdata->reserved_chanctx) {
3074                 /*
3075                  * with multi-vif csa driver may call ieee80211_csa_finish()
3076                  * many times while waiting for other interfaces to use their
3077                  * reservations
3078                  */
3079                 if (sdata->reserved_ready)
3080                         return 0;
3081
3082                 return ieee80211_vif_use_reserved_context(sdata);
3083         }
3084
3085         if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3086                                         &sdata->csa_chandef))
3087                 return -EINVAL;
3088
3089         sdata->vif.csa_active = false;
3090
3091         err = ieee80211_set_after_csa_beacon(sdata, &changed);
3092         if (err)
3093                 return err;
3094
3095         ieee80211_bss_info_change_notify(sdata, changed);
3096
3097         if (sdata->csa_block_tx) {
3098                 ieee80211_wake_vif_queues(local, sdata,
3099                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3100                 sdata->csa_block_tx = false;
3101         }
3102
3103         err = drv_post_channel_switch(sdata);
3104         if (err)
3105                 return err;
3106
3107         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3108
3109         return 0;
3110 }
3111
3112 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3113 {
3114         if (__ieee80211_csa_finalize(sdata)) {
3115                 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3116                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3117                                     GFP_KERNEL);
3118         }
3119 }
3120
3121 void ieee80211_csa_finalize_work(struct work_struct *work)
3122 {
3123         struct ieee80211_sub_if_data *sdata =
3124                 container_of(work, struct ieee80211_sub_if_data,
3125                              csa_finalize_work);
3126         struct ieee80211_local *local = sdata->local;
3127
3128         sdata_lock(sdata);
3129         mutex_lock(&local->mtx);
3130         mutex_lock(&local->chanctx_mtx);
3131
3132         /* AP might have been stopped while waiting for the lock. */
3133         if (!sdata->vif.csa_active)
3134                 goto unlock;
3135
3136         if (!ieee80211_sdata_running(sdata))
3137                 goto unlock;
3138
3139         ieee80211_csa_finalize(sdata);
3140
3141 unlock:
3142         mutex_unlock(&local->chanctx_mtx);
3143         mutex_unlock(&local->mtx);
3144         sdata_unlock(sdata);
3145 }
3146
3147 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3148                                     struct cfg80211_csa_settings *params,
3149                                     u32 *changed)
3150 {
3151         struct ieee80211_csa_settings csa = {};
3152         int err;
3153
3154         switch (sdata->vif.type) {
3155         case NL80211_IFTYPE_AP:
3156                 sdata->u.ap.next_beacon =
3157                         cfg80211_beacon_dup(&params->beacon_after);
3158                 if (!sdata->u.ap.next_beacon)
3159                         return -ENOMEM;
3160
3161                 /*
3162                  * With a count of 0, we don't have to wait for any
3163                  * TBTT before switching, so complete the CSA
3164                  * immediately.  In theory, with a count == 1 we
3165                  * should delay the switch until just before the next
3166                  * TBTT, but that would complicate things so we switch
3167                  * immediately too.  If we would delay the switch
3168                  * until the next TBTT, we would have to set the probe
3169                  * response here.
3170                  *
3171                  * TODO: A channel switch with count <= 1 without
3172                  * sending a CSA action frame is kind of useless,
3173                  * because the clients won't know we're changing
3174                  * channels.  The action frame must be implemented
3175                  * either here or in the userspace.
3176                  */
3177                 if (params->count <= 1)
3178                         break;
3179
3180                 if ((params->n_counter_offsets_beacon >
3181                      IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3182                     (params->n_counter_offsets_presp >
3183                      IEEE80211_MAX_CSA_COUNTERS_NUM))
3184                         return -EINVAL;
3185
3186                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3187                 csa.counter_offsets_presp = params->counter_offsets_presp;
3188                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3189                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3190                 csa.count = params->count;
3191
3192                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3193                 if (err < 0) {
3194                         kfree(sdata->u.ap.next_beacon);
3195                         return err;
3196                 }
3197                 *changed |= err;
3198
3199                 break;
3200         case NL80211_IFTYPE_ADHOC:
3201                 if (!sdata->vif.bss_conf.ibss_joined)
3202                         return -EINVAL;
3203
3204                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3205                         return -EINVAL;
3206
3207                 switch (params->chandef.width) {
3208                 case NL80211_CHAN_WIDTH_40:
3209                         if (cfg80211_get_chandef_type(&params->chandef) !=
3210                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3211                                 return -EINVAL;
3212                 case NL80211_CHAN_WIDTH_5:
3213                 case NL80211_CHAN_WIDTH_10:
3214                 case NL80211_CHAN_WIDTH_20_NOHT:
3215                 case NL80211_CHAN_WIDTH_20:
3216                         break;
3217                 default:
3218                         return -EINVAL;
3219                 }
3220
3221                 /* changes into another band are not supported */
3222                 if (sdata->u.ibss.chandef.chan->band !=
3223                     params->chandef.chan->band)
3224                         return -EINVAL;
3225
3226                 /* see comments in the NL80211_IFTYPE_AP block */
3227                 if (params->count > 1) {
3228                         err = ieee80211_ibss_csa_beacon(sdata, params);
3229                         if (err < 0)
3230                                 return err;
3231                         *changed |= err;
3232                 }
3233
3234                 ieee80211_send_action_csa(sdata, params);
3235
3236                 break;
3237 #ifdef CONFIG_MAC80211_MESH
3238         case NL80211_IFTYPE_MESH_POINT: {
3239                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3240
3241                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3242                         return -EINVAL;
3243
3244                 /* changes into another band are not supported */
3245                 if (sdata->vif.bss_conf.chandef.chan->band !=
3246                     params->chandef.chan->band)
3247                         return -EINVAL;
3248
3249                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3250                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3251                         if (!ifmsh->pre_value)
3252                                 ifmsh->pre_value = 1;
3253                         else
3254                                 ifmsh->pre_value++;
3255                 }
3256
3257                 /* see comments in the NL80211_IFTYPE_AP block */
3258                 if (params->count > 1) {
3259                         err = ieee80211_mesh_csa_beacon(sdata, params);
3260                         if (err < 0) {
3261                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3262                                 return err;
3263                         }
3264                         *changed |= err;
3265                 }
3266
3267                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3268                         ieee80211_send_action_csa(sdata, params);
3269
3270                 break;
3271                 }
3272 #endif
3273         default:
3274                 return -EOPNOTSUPP;
3275         }
3276
3277         return 0;
3278 }
3279
3280 static int
3281 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3282                            struct cfg80211_csa_settings *params)
3283 {
3284         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3285         struct ieee80211_local *local = sdata->local;
3286         struct ieee80211_channel_switch ch_switch;
3287         struct ieee80211_chanctx_conf *conf;
3288         struct ieee80211_chanctx *chanctx;
3289         u32 changed = 0;
3290         int err;
3291
3292         sdata_assert_lock(sdata);
3293         lockdep_assert_held(&local->mtx);
3294
3295         if (!list_empty(&local->roc_list) || local->scanning)
3296                 return -EBUSY;
3297
3298         if (sdata->wdev.cac_started)
3299                 return -EBUSY;
3300
3301         if (cfg80211_chandef_identical(&params->chandef,
3302                                        &sdata->vif.bss_conf.chandef))
3303                 return -EINVAL;
3304
3305         /* don't allow another channel switch if one is already active. */
3306         if (sdata->vif.csa_active)
3307                 return -EBUSY;
3308
3309         mutex_lock(&local->chanctx_mtx);
3310         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3311                                          lockdep_is_held(&local->chanctx_mtx));
3312         if (!conf) {
3313                 err = -EBUSY;
3314                 goto out;
3315         }
3316
3317         if (params->chandef.chan->freq_offset) {
3318                 /* this may work, but is untested */
3319                 err = -EOPNOTSUPP;
3320                 goto out;
3321         }
3322
3323         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3324
3325         ch_switch.timestamp = 0;
3326         ch_switch.device_timestamp = 0;
3327         ch_switch.block_tx = params->block_tx;
3328         ch_switch.chandef = params->chandef;
3329         ch_switch.count = params->count;
3330
3331         err = drv_pre_channel_switch(sdata, &ch_switch);
3332         if (err)
3333                 goto out;
3334
3335         err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3336                                             chanctx->mode,
3337                                             params->radar_required);
3338         if (err)
3339                 goto out;
3340
3341         /* if reservation is invalid then this will fail */
3342         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3343         if (err) {
3344                 ieee80211_vif_unreserve_chanctx(sdata);
3345                 goto out;
3346         }
3347
3348         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3349         if (err) {
3350                 ieee80211_vif_unreserve_chanctx(sdata);
3351                 goto out;
3352         }
3353
3354         sdata->csa_chandef = params->chandef;
3355         sdata->csa_block_tx = params->block_tx;
3356         sdata->vif.csa_active = true;
3357
3358         if (sdata->csa_block_tx)
3359                 ieee80211_stop_vif_queues(local, sdata,
3360                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3361
3362         cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3363                                           params->count);
3364
3365         if (changed) {
3366                 ieee80211_bss_info_change_notify(sdata, changed);
3367                 drv_channel_switch_beacon(sdata, &params->chandef);
3368         } else {
3369                 /* if the beacon didn't change, we can finalize immediately */
3370                 ieee80211_csa_finalize(sdata);
3371         }
3372
3373 out:
3374         mutex_unlock(&local->chanctx_mtx);
3375         return err;
3376 }
3377
3378 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3379                              struct cfg80211_csa_settings *params)
3380 {
3381         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3382         struct ieee80211_local *local = sdata->local;
3383         int err;
3384
3385         mutex_lock(&local->mtx);
3386         err = __ieee80211_channel_switch(wiphy, dev, params);
3387         mutex_unlock(&local->mtx);
3388
3389         return err;
3390 }
3391
3392 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3393 {
3394         lockdep_assert_held(&local->mtx);
3395
3396         local->roc_cookie_counter++;
3397
3398         /* wow, you wrapped 64 bits ... more likely a bug */
3399         if (WARN_ON(local->roc_cookie_counter == 0))
3400                 local->roc_cookie_counter++;
3401
3402         return local->roc_cookie_counter;
3403 }
3404
3405 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3406                              u64 *cookie, gfp_t gfp)
3407 {
3408         unsigned long spin_flags;
3409         struct sk_buff *ack_skb;
3410         int id;
3411
3412         ack_skb = skb_copy(skb, gfp);
3413         if (!ack_skb)
3414                 return -ENOMEM;
3415
3416         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3417         id = idr_alloc(&local->ack_status_frames, ack_skb,
3418                        1, 0x2000, GFP_ATOMIC);
3419         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3420
3421         if (id < 0) {
3422                 kfree_skb(ack_skb);
3423                 return -ENOMEM;
3424         }
3425
3426         IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3427
3428         *cookie = ieee80211_mgmt_tx_cookie(local);
3429         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3430
3431         return 0;
3432 }
3433
3434 static void
3435 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3436                                           struct wireless_dev *wdev,
3437                                           struct mgmt_frame_regs *upd)
3438 {
3439         struct ieee80211_local *local = wiphy_priv(wiphy);
3440         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3441         u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3442         u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3443         bool global_change, intf_change;
3444
3445         global_change =
3446                 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3447                 (local->rx_mcast_action_reg !=
3448                  !!(upd->global_mcast_stypes & action_mask));
3449         local->probe_req_reg = upd->global_stypes & preq_mask;
3450         local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3451
3452         intf_change = (sdata->vif.probe_req_reg !=
3453                        !!(upd->interface_stypes & preq_mask)) ||
3454                 (sdata->vif.rx_mcast_action_reg !=
3455                  !!(upd->interface_mcast_stypes & action_mask));
3456         sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3457         sdata->vif.rx_mcast_action_reg =
3458                 upd->interface_mcast_stypes & action_mask;
3459
3460         if (!local->open_count)
3461                 return;
3462
3463         if (intf_change && ieee80211_sdata_running(sdata))
3464                 drv_config_iface_filter(local, sdata,
3465                                         sdata->vif.probe_req_reg ?
3466                                                 FIF_PROBE_REQ : 0,
3467                                         FIF_PROBE_REQ);
3468
3469         if (global_change)
3470                 ieee80211_configure_filter(local);
3471 }
3472
3473 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3474 {
3475         struct ieee80211_local *local = wiphy_priv(wiphy);
3476
3477         if (local->started)
3478                 return -EOPNOTSUPP;
3479
3480         return drv_set_antenna(local, tx_ant, rx_ant);
3481 }
3482
3483 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3484 {
3485         struct ieee80211_local *local = wiphy_priv(wiphy);
3486
3487         return drv_get_antenna(local, tx_ant, rx_ant);
3488 }
3489
3490 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3491                                     struct net_device *dev,
3492                                     struct cfg80211_gtk_rekey_data *data)
3493 {
3494         struct ieee80211_local *local = wiphy_priv(wiphy);
3495         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3496
3497         if (!local->ops->set_rekey_data)
3498                 return -EOPNOTSUPP;
3499
3500         drv_set_rekey_data(local, sdata, data);
3501
3502         return 0;
3503 }
3504
3505 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3506                                   const u8 *peer, u64 *cookie)
3507 {
3508         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3509         struct ieee80211_local *local = sdata->local;
3510         struct ieee80211_qos_hdr *nullfunc;
3511         struct sk_buff *skb;
3512         int size = sizeof(*nullfunc);
3513         __le16 fc;
3514         bool qos;
3515         struct ieee80211_tx_info *info;
3516         struct sta_info *sta;
3517         struct ieee80211_chanctx_conf *chanctx_conf;
3518         enum nl80211_band band;
3519         int ret;
3520
3521         /* the lock is needed to assign the cookie later */
3522         mutex_lock(&local->mtx);
3523
3524         rcu_read_lock();
3525         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3526         if (WARN_ON(!chanctx_conf)) {
3527                 ret = -EINVAL;
3528                 goto unlock;
3529         }
3530         band = chanctx_conf->def.chan->band;
3531         sta = sta_info_get_bss(sdata, peer);
3532         if (sta) {
3533                 qos = sta->sta.wme;
3534         } else {
3535                 ret = -ENOLINK;
3536                 goto unlock;
3537         }
3538
3539         if (qos) {
3540                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3541                                  IEEE80211_STYPE_QOS_NULLFUNC |
3542                                  IEEE80211_FCTL_FROMDS);
3543         } else {
3544                 size -= 2;
3545                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3546                                  IEEE80211_STYPE_NULLFUNC |
3547                                  IEEE80211_FCTL_FROMDS);
3548         }
3549
3550         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3551         if (!skb) {
3552                 ret = -ENOMEM;
3553                 goto unlock;
3554         }
3555
3556         skb->dev = dev;
3557
3558         skb_reserve(skb, local->hw.extra_tx_headroom);
3559
3560         nullfunc = skb_put(skb, size);
3561         nullfunc->frame_control = fc;
3562         nullfunc->duration_id = 0;
3563         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3564         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3565         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3566         nullfunc->seq_ctrl = 0;
3567
3568         info = IEEE80211_SKB_CB(skb);
3569
3570         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3571                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3572         info->band = band;
3573
3574         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3575         skb->priority = 7;
3576         if (qos)
3577                 nullfunc->qos_ctrl = cpu_to_le16(7);
3578
3579         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3580         if (ret) {
3581                 kfree_skb(skb);
3582                 goto unlock;
3583         }
3584
3585         local_bh_disable();
3586         ieee80211_xmit(sdata, sta, skb, 0);
3587         local_bh_enable();
3588
3589         ret = 0;
3590 unlock:
3591         rcu_read_unlock();
3592         mutex_unlock(&local->mtx);
3593
3594         return ret;
3595 }
3596
3597 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3598                                      struct wireless_dev *wdev,
3599                                      struct cfg80211_chan_def *chandef)
3600 {
3601         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3602         struct ieee80211_local *local = wiphy_priv(wiphy);
3603         struct ieee80211_chanctx_conf *chanctx_conf;
3604         int ret = -ENODATA;
3605
3606         rcu_read_lock();
3607         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3608         if (chanctx_conf) {
3609                 *chandef = sdata->vif.bss_conf.chandef;
3610                 ret = 0;
3611         } else if (local->open_count > 0 &&
3612                    local->open_count == local->monitors &&
3613                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3614                 if (local->use_chanctx)
3615                         *chandef = local->monitor_chandef;
3616                 else
3617                         *chandef = local->_oper_chandef;
3618                 ret = 0;
3619         }
3620         rcu_read_unlock();
3621
3622         return ret;
3623 }
3624
3625 #ifdef CONFIG_PM
3626 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3627 {
3628         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3629 }
3630 #endif
3631
3632 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3633                                  struct net_device *dev,
3634                                  struct cfg80211_qos_map *qos_map)
3635 {
3636         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3637         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3638
3639         if (qos_map) {
3640                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3641                 if (!new_qos_map)
3642                         return -ENOMEM;
3643                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3644         } else {
3645                 /* A NULL qos_map was passed to disable QoS mapping */
3646                 new_qos_map = NULL;
3647         }
3648
3649         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3650         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3651         if (old_qos_map)
3652                 kfree_rcu(old_qos_map, rcu_head);
3653
3654         return 0;
3655 }
3656
3657 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3658                                       struct net_device *dev,
3659                                       struct cfg80211_chan_def *chandef)
3660 {
3661         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3662         int ret;
3663         u32 changed = 0;
3664
3665         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3666         if (ret == 0)
3667                 ieee80211_bss_info_change_notify(sdata, changed);
3668
3669         return ret;
3670 }
3671
3672 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3673                                u8 tsid, const u8 *peer, u8 up,
3674                                u16 admitted_time)
3675 {
3676         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3677         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3678         int ac = ieee802_1d_to_ac[up];
3679
3680         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3681                 return -EOPNOTSUPP;
3682
3683         if (!(sdata->wmm_acm & BIT(up)))
3684                 return -EINVAL;
3685
3686         if (ifmgd->tx_tspec[ac].admitted_time)
3687                 return -EBUSY;
3688
3689         if (admitted_time) {
3690                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3691                 ifmgd->tx_tspec[ac].tsid = tsid;
3692                 ifmgd->tx_tspec[ac].up = up;
3693         }
3694
3695         return 0;
3696 }
3697
3698 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3699                                u8 tsid, const u8 *peer)
3700 {
3701         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3702         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3703         struct ieee80211_local *local = wiphy_priv(wiphy);
3704         int ac;
3705
3706         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3707                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3708
3709                 /* skip unused entries */
3710                 if (!tx_tspec->admitted_time)
3711                         continue;
3712
3713                 if (tx_tspec->tsid != tsid)
3714                         continue;
3715
3716                 /* due to this new packets will be reassigned to non-ACM ACs */
3717                 tx_tspec->up = -1;
3718
3719                 /* Make sure that all packets have been sent to avoid to
3720                  * restore the QoS params on packets that are still on the
3721                  * queues.
3722                  */
3723                 synchronize_net();
3724                 ieee80211_flush_queues(local, sdata, false);
3725
3726                 /* restore the normal QoS parameters
3727                  * (unconditionally to avoid races)
3728                  */
3729                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3730                 tx_tspec->downgraded = false;
3731                 ieee80211_sta_handle_tspec_ac_params(sdata);
3732
3733                 /* finally clear all the data */
3734                 memset(tx_tspec, 0, sizeof(*tx_tspec));
3735
3736                 return 0;
3737         }
3738
3739         return -ENOENT;
3740 }
3741
3742 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3743                                    u8 inst_id,
3744                                    enum nl80211_nan_func_term_reason reason,
3745                                    gfp_t gfp)
3746 {
3747         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3748         struct cfg80211_nan_func *func;
3749         u64 cookie;
3750
3751         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3752                 return;
3753
3754         spin_lock_bh(&sdata->u.nan.func_lock);
3755
3756         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3757         if (WARN_ON(!func)) {
3758                 spin_unlock_bh(&sdata->u.nan.func_lock);
3759                 return;
3760         }
3761
3762         cookie = func->cookie;
3763         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3764
3765         spin_unlock_bh(&sdata->u.nan.func_lock);
3766
3767         cfg80211_free_nan_func(func);
3768
3769         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3770                                      reason, cookie, gfp);
3771 }
3772 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3773
3774 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3775                               struct cfg80211_nan_match_params *match,
3776                               gfp_t gfp)
3777 {
3778         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3779         struct cfg80211_nan_func *func;
3780
3781         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3782                 return;
3783
3784         spin_lock_bh(&sdata->u.nan.func_lock);
3785
3786         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3787         if (WARN_ON(!func)) {
3788                 spin_unlock_bh(&sdata->u.nan.func_lock);
3789                 return;
3790         }
3791         match->cookie = func->cookie;
3792
3793         spin_unlock_bh(&sdata->u.nan.func_lock);
3794
3795         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3796 }
3797 EXPORT_SYMBOL(ieee80211_nan_func_match);
3798
3799 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3800                                               struct net_device *dev,
3801                                               const bool enabled)
3802 {
3803         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3804
3805         sdata->u.ap.multicast_to_unicast = enabled;
3806
3807         return 0;
3808 }
3809
3810 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3811                               struct txq_info *txqi)
3812 {
3813         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3814                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3815                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3816         }
3817
3818         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3819                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3820                 txqstats->backlog_packets = txqi->tin.backlog_packets;
3821         }
3822
3823         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3824                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3825                 txqstats->flows = txqi->tin.flows;
3826         }
3827
3828         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3829                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3830                 txqstats->drops = txqi->cstats.drop_count;
3831         }
3832
3833         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3834                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3835                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3836         }
3837
3838         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3839                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3840                 txqstats->overlimit = txqi->tin.overlimit;
3841         }
3842
3843         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3844                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3845                 txqstats->collisions = txqi->tin.collisions;
3846         }
3847
3848         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3849                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3850                 txqstats->tx_bytes = txqi->tin.tx_bytes;
3851         }
3852
3853         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3854                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3855                 txqstats->tx_packets = txqi->tin.tx_packets;
3856         }
3857 }
3858
3859 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3860                                    struct wireless_dev *wdev,
3861                                    struct cfg80211_txq_stats *txqstats)
3862 {
3863         struct ieee80211_local *local = wiphy_priv(wiphy);
3864         struct ieee80211_sub_if_data *sdata;
3865         int ret = 0;
3866
3867         if (!local->ops->wake_tx_queue)
3868                 return 1;
3869
3870         spin_lock_bh(&local->fq.lock);
3871         rcu_read_lock();
3872
3873         if (wdev) {
3874                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3875                 if (!sdata->vif.txq) {
3876                         ret = 1;
3877                         goto out;
3878                 }
3879                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3880         } else {
3881                 /* phy stats */
3882                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3883                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3884                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3885                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3886                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
3887                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3888                 txqstats->backlog_packets = local->fq.backlog;
3889                 txqstats->backlog_bytes = local->fq.memory_usage;
3890                 txqstats->overlimit = local->fq.overlimit;
3891                 txqstats->overmemory = local->fq.overmemory;
3892                 txqstats->collisions = local->fq.collisions;
3893                 txqstats->max_flows = local->fq.flows_cnt;
3894         }
3895
3896 out:
3897         rcu_read_unlock();
3898         spin_unlock_bh(&local->fq.lock);
3899
3900         return ret;
3901 }
3902
3903 static int
3904 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3905                                   struct net_device *dev,
3906                                   struct cfg80211_ftm_responder_stats *ftm_stats)
3907 {
3908         struct ieee80211_local *local = wiphy_priv(wiphy);
3909         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3910
3911         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3912 }
3913
3914 static int
3915 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3916                      struct cfg80211_pmsr_request *request)
3917 {
3918         struct ieee80211_local *local = wiphy_priv(wiphy);
3919         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3920
3921         return drv_start_pmsr(local, sdata, request);
3922 }
3923
3924 static void
3925 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3926                      struct cfg80211_pmsr_request *request)
3927 {
3928         struct ieee80211_local *local = wiphy_priv(wiphy);
3929         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3930
3931         return drv_abort_pmsr(local, sdata, request);
3932 }
3933
3934 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3935                                     struct net_device *dev,
3936                                     struct cfg80211_tid_config *tid_conf)
3937 {
3938         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3939         struct sta_info *sta;
3940         int ret;
3941
3942         if (!sdata->local->ops->set_tid_config)
3943                 return -EOPNOTSUPP;
3944
3945         if (!tid_conf->peer)
3946                 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3947
3948         mutex_lock(&sdata->local->sta_mtx);
3949         sta = sta_info_get_bss(sdata, tid_conf->peer);
3950         if (!sta) {
3951                 mutex_unlock(&sdata->local->sta_mtx);
3952                 return -ENOENT;
3953         }
3954
3955         ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3956         mutex_unlock(&sdata->local->sta_mtx);
3957
3958         return ret;
3959 }
3960
3961 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3962                                       struct net_device *dev,
3963                                       const u8 *peer, u8 tids)
3964 {
3965         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3966         struct sta_info *sta;
3967         int ret;
3968
3969         if (!sdata->local->ops->reset_tid_config)
3970                 return -EOPNOTSUPP;
3971
3972         if (!peer)
3973                 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3974
3975         mutex_lock(&sdata->local->sta_mtx);
3976         sta = sta_info_get_bss(sdata, peer);
3977         if (!sta) {
3978                 mutex_unlock(&sdata->local->sta_mtx);
3979                 return -ENOENT;
3980         }
3981
3982         ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3983         mutex_unlock(&sdata->local->sta_mtx);
3984
3985         return ret;
3986 }
3987
3988 const struct cfg80211_ops mac80211_config_ops = {
3989         .add_virtual_intf = ieee80211_add_iface,
3990         .del_virtual_intf = ieee80211_del_iface,
3991         .change_virtual_intf = ieee80211_change_iface,
3992         .start_p2p_device = ieee80211_start_p2p_device,
3993         .stop_p2p_device = ieee80211_stop_p2p_device,
3994         .add_key = ieee80211_add_key,
3995         .del_key = ieee80211_del_key,
3996         .get_key = ieee80211_get_key,
3997         .set_default_key = ieee80211_config_default_key,
3998         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3999         .set_default_beacon_key = ieee80211_config_default_beacon_key,
4000         .start_ap = ieee80211_start_ap,
4001         .change_beacon = ieee80211_change_beacon,
4002         .stop_ap = ieee80211_stop_ap,
4003         .add_station = ieee80211_add_station,
4004         .del_station = ieee80211_del_station,
4005         .change_station = ieee80211_change_station,
4006         .get_station = ieee80211_get_station,
4007         .dump_station = ieee80211_dump_station,
4008         .dump_survey = ieee80211_dump_survey,
4009 #ifdef CONFIG_MAC80211_MESH
4010         .add_mpath = ieee80211_add_mpath,
4011         .del_mpath = ieee80211_del_mpath,
4012         .change_mpath = ieee80211_change_mpath,
4013         .get_mpath = ieee80211_get_mpath,
4014         .dump_mpath = ieee80211_dump_mpath,
4015         .get_mpp = ieee80211_get_mpp,
4016         .dump_mpp = ieee80211_dump_mpp,
4017         .update_mesh_config = ieee80211_update_mesh_config,
4018         .get_mesh_config = ieee80211_get_mesh_config,
4019         .join_mesh = ieee80211_join_mesh,
4020         .leave_mesh = ieee80211_leave_mesh,
4021 #endif
4022         .join_ocb = ieee80211_join_ocb,
4023         .leave_ocb = ieee80211_leave_ocb,
4024         .change_bss = ieee80211_change_bss,
4025         .set_txq_params = ieee80211_set_txq_params,
4026         .set_monitor_channel = ieee80211_set_monitor_channel,
4027         .suspend = ieee80211_suspend,
4028         .resume = ieee80211_resume,
4029         .scan = ieee80211_scan,
4030         .abort_scan = ieee80211_abort_scan,
4031         .sched_scan_start = ieee80211_sched_scan_start,
4032         .sched_scan_stop = ieee80211_sched_scan_stop,
4033         .auth = ieee80211_auth,
4034         .assoc = ieee80211_assoc,
4035         .deauth = ieee80211_deauth,
4036         .disassoc = ieee80211_disassoc,
4037         .join_ibss = ieee80211_join_ibss,
4038         .leave_ibss = ieee80211_leave_ibss,
4039         .set_mcast_rate = ieee80211_set_mcast_rate,
4040         .set_wiphy_params = ieee80211_set_wiphy_params,
4041         .set_tx_power = ieee80211_set_tx_power,
4042         .get_tx_power = ieee80211_get_tx_power,
4043         .set_wds_peer = ieee80211_set_wds_peer,
4044         .rfkill_poll = ieee80211_rfkill_poll,
4045         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4046         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4047         .set_power_mgmt = ieee80211_set_power_mgmt,
4048         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4049         .remain_on_channel = ieee80211_remain_on_channel,
4050         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4051         .mgmt_tx = ieee80211_mgmt_tx,
4052         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4053         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4054         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4055         .update_mgmt_frame_registrations =
4056                 ieee80211_update_mgmt_frame_registrations,
4057         .set_antenna = ieee80211_set_antenna,
4058         .get_antenna = ieee80211_get_antenna,
4059         .set_rekey_data = ieee80211_set_rekey_data,
4060         .tdls_oper = ieee80211_tdls_oper,
4061         .tdls_mgmt = ieee80211_tdls_mgmt,
4062         .tdls_channel_switch = ieee80211_tdls_channel_switch,
4063         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4064         .probe_client = ieee80211_probe_client,
4065         .set_noack_map = ieee80211_set_noack_map,
4066 #ifdef CONFIG_PM
4067         .set_wakeup = ieee80211_set_wakeup,
4068 #endif
4069         .get_channel = ieee80211_cfg_get_channel,
4070         .start_radar_detection = ieee80211_start_radar_detection,
4071         .end_cac = ieee80211_end_cac,
4072         .channel_switch = ieee80211_channel_switch,
4073         .set_qos_map = ieee80211_set_qos_map,
4074         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4075         .add_tx_ts = ieee80211_add_tx_ts,
4076         .del_tx_ts = ieee80211_del_tx_ts,
4077         .start_nan = ieee80211_start_nan,
4078         .stop_nan = ieee80211_stop_nan,
4079         .nan_change_conf = ieee80211_nan_change_conf,
4080         .add_nan_func = ieee80211_add_nan_func,
4081         .del_nan_func = ieee80211_del_nan_func,
4082         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4083         .tx_control_port = ieee80211_tx_control_port,
4084         .get_txq_stats = ieee80211_get_txq_stats,
4085         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4086         .start_pmsr = ieee80211_start_pmsr,
4087         .abort_pmsr = ieee80211_abort_pmsr,
4088         .probe_mesh_link = ieee80211_probe_mesh_link,
4089         .set_tid_config = ieee80211_set_tid_config,
4090         .reset_tid_config = ieee80211_reset_tid_config,
4091 };