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) 2018-2025 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 struct ieee80211_link_data *
  27 ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id,
  28                           bool require_valid)
  29 {
  30         struct ieee80211_link_data *link;
  31
  32         if (link_id < 0) {
  33                 /*
  34                  * For keys, if sdata is not an MLD, we might not use
  35                  * the return value at all (if it's not a pairwise key),
  36                  * so in that case (require_valid==false) don't error.
  37                  */
  38                 if (require_valid && ieee80211_vif_is_mld(&sdata->vif))
  39                         return ERR_PTR(-EINVAL);
  40
  41                 return &sdata->deflink;
  42         }
  43
  44         link = sdata_dereference(sdata->link[link_id], sdata);
  45         if (!link)
  46                 return ERR_PTR(-ENOLINK);
  47         return link;
  48 }
  49
  50 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
  51                                          struct vif_params *params)
  52 {
  53         bool mu_mimo_groups = false;
  54         bool mu_mimo_follow = false;
  55
  56         if (params->vht_mumimo_groups) {
  57                 u64 membership;
  58
  59                 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
  60
  61                 memcpy(sdata->vif.bss_conf.mu_group.membership,
  62                        params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
  63                 memcpy(sdata->vif.bss_conf.mu_group.position,
  64                        params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
  65                        WLAN_USER_POSITION_LEN);
  66                 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
  67                                                   BSS_CHANGED_MU_GROUPS);
  68                 /* don't care about endianness - just check for 0 */
  69                 memcpy(&membership, params->vht_mumimo_groups,
  70                        WLAN_MEMBERSHIP_LEN);
  71                 mu_mimo_groups = membership != 0;
  72         }
  73
  74         if (params->vht_mumimo_follow_addr) {
  75                 mu_mimo_follow =
  76                         is_valid_ether_addr(params->vht_mumimo_follow_addr);
  77                 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
  78                                 params->vht_mumimo_follow_addr);
  79         }
  80
  81         sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
  82 }
  83
  84 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
  85                                      struct vif_params *params)
  86 {
  87         struct ieee80211_local *local = sdata->local;
  88         struct ieee80211_sub_if_data *monitor_sdata;
  89
  90         /* check flags first */
  91         if (params->flags && ieee80211_sdata_running(sdata)) {
  92                 u32 mask = MONITOR_FLAG_ACTIVE;
  93
  94                 /*
  95                  * Prohibit MONITOR_FLAG_ACTIVE to be changed
  96                  * while the interface is up.
  97                  * Else we would need to add a lot of cruft
  98                  * to update everything:
  99                  *      monitor and all fif_* counters
 100                  *      reconfigure hardware
 101                  */
 102                 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
 103                         return -EBUSY;
 104         }
 105
 106         /* also validate MU-MIMO change */
 107         if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
 108                 monitor_sdata = sdata;
 109         else
 110                 monitor_sdata = wiphy_dereference(local->hw.wiphy,
 111                                                   local->monitor_sdata);
 112
 113         if (!monitor_sdata &&
 114             (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
 115                 return -EOPNOTSUPP;
 116
 117         /* apply all changes now - no failures allowed */
 118
 119         if (monitor_sdata &&
 120                 (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
 121                  ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)))
 122                 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
 123
 124         if (params->flags) {
 125                 if (ieee80211_sdata_running(sdata)) {
 126                         ieee80211_adjust_monitor_flags(sdata, -1);
 127                         sdata->u.mntr.flags = params->flags;
 128                         ieee80211_adjust_monitor_flags(sdata, 1);
 129
 130                         ieee80211_configure_filter(local);
 131                 } else {
 132                         /*
 133                          * Because the interface is down, ieee80211_do_stop
 134                          * and ieee80211_do_open take care of "everything"
 135                          * mentioned in the comment above.
 136                          */
 137                         sdata->u.mntr.flags = params->flags;
 138                 }
 139         }
 140
 141         return 0;
 142 }
 143
 144 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata,
 145                                            struct cfg80211_mbssid_config *params,
 146                                            struct ieee80211_bss_conf *link_conf)
 147 {
 148         struct ieee80211_sub_if_data *tx_sdata;
 149         struct ieee80211_bss_conf *old;
 150
 151         link_conf->bssid_index = 0;
 152         link_conf->nontransmitted = false;
 153         link_conf->ema_ap = false;
 154         link_conf->bssid_indicator = 0;
 155
 156         if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev)
 157                 return -EINVAL;
 158
 159         old = sdata_dereference(link_conf->tx_bss_conf, sdata);
 160         if (old)
 161                 return -EALREADY;
 162
 163         tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev);
 164         if (!tx_sdata)
 165                 return -EINVAL;
 166
 167         if (tx_sdata == sdata) {
 168                 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf);
 169         } else {
 170                 struct ieee80211_bss_conf *tx_bss_conf;
 171
 172                 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id],
 173                                                 sdata);
 174                 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf)
 175                         return -EINVAL;
 176
 177                 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf);
 178
 179                 link_conf->nontransmitted = true;
 180                 link_conf->bssid_index = params->index;
 181         }
 182         if (params->ema)
 183                 link_conf->ema_ap = true;
 184
 185         return 0;
 186 }
 187
 188 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
 189                                                 const char *name,
 190                                                 unsigned char name_assign_type,
 191                                                 enum nl80211_iftype type,
 192                                                 struct vif_params *params)
 193 {
 194         struct ieee80211_local *local = wiphy_priv(wiphy);
 195         struct wireless_dev *wdev;
 196         struct ieee80211_sub_if_data *sdata;
 197         int err;
 198
 199         err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
 200         if (err)
 201                 return ERR_PTR(err);
 202
 203         sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 204
 205         if (type == NL80211_IFTYPE_MONITOR) {
 206                 err = ieee80211_set_mon_options(sdata, params);
 207                 if (err) {
 208                         ieee80211_if_remove(sdata);
 209                         return NULL;
 210                 }
 211         }
 212
 213         /* Let the driver know that an interface is going to be added.
 214          * Indicate so only for interface types that will be added to the
 215          * driver.
 216          */
 217         switch (type) {
 218         case NL80211_IFTYPE_AP_VLAN:
 219                 break;
 220         case NL80211_IFTYPE_MONITOR:
 221                 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) ||
 222                     !(params->flags & MONITOR_FLAG_ACTIVE))
 223                         break;
 224                 fallthrough;
 225         default:
 226                 drv_prep_add_interface(local,
 227                                        ieee80211_vif_type_p2p(&sdata->vif));
 228                 break;
 229         }
 230
 231         return wdev;
 232 }
 233
 234 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
 235 {
 236         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
 237
 238         return 0;
 239 }
 240
 241 static int ieee80211_change_iface(struct wiphy *wiphy,
 242                                   struct net_device *dev,
 243                                   enum nl80211_iftype type,
 244                                   struct vif_params *params)
 245 {
 246         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 247         struct ieee80211_local *local = sdata->local;
 248         struct sta_info *sta;
 249         int ret;
 250
 251         lockdep_assert_wiphy(local->hw.wiphy);
 252
 253         ret = ieee80211_if_change_type(sdata, type);
 254         if (ret)
 255                 return ret;
 256
 257         if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
 258                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
 259                 ieee80211_check_fast_rx_iface(sdata);
 260         } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
 261                 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 262
 263                 if (params->use_4addr == ifmgd->use_4addr)
 264                         return 0;
 265
 266                 /* FIXME: no support for 4-addr MLO yet */
 267                 if (ieee80211_vif_is_mld(&sdata->vif))
 268                         return -EOPNOTSUPP;
 269
 270                 sdata->u.mgd.use_4addr = params->use_4addr;
 271                 if (!ifmgd->associated)
 272                         return 0;
 273
 274                 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid);
 275                 if (sta)
 276                         drv_sta_set_4addr(local, sdata, &sta->sta,
 277                                           params->use_4addr);
 278
 279                 if (params->use_4addr)
 280                         ieee80211_send_4addr_nullfunc(local, sdata);
 281         }
 282
 283         if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
 284                 ret = ieee80211_set_mon_options(sdata, params);
 285                 if (ret)
 286                         return ret;
 287         }
 288
 289         return 0;
 290 }
 291
 292 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 293                                       struct wireless_dev *wdev)
 294 {
 295         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 296         int ret;
 297
 298         lockdep_assert_wiphy(sdata->local->hw.wiphy);
 299
 300         ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
 301         if (ret < 0)
 302                 return ret;
 303
 304         return ieee80211_do_open(wdev, true);
 305 }
 306
 307 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 308                                       struct wireless_dev *wdev)
 309 {
 310         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 311 }
 312
 313 static int ieee80211_start_nan(struct wiphy *wiphy,
 314                                struct wireless_dev *wdev,
 315                                struct cfg80211_nan_conf *conf)
 316 {
 317         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 318         int ret;
 319
 320         lockdep_assert_wiphy(sdata->local->hw.wiphy);
 321
 322         ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1);
 323         if (ret < 0)
 324                 return ret;
 325
 326         ret = ieee80211_do_open(wdev, true);
 327         if (ret)
 328                 return ret;
 329
 330         ret = drv_start_nan(sdata->local, sdata, conf);
 331         if (ret)
 332                 ieee80211_sdata_stop(sdata);
 333
 334         sdata->u.nan.conf = *conf;
 335
 336         return ret;
 337 }
 338
 339 static void ieee80211_stop_nan(struct wiphy *wiphy,
 340                                struct wireless_dev *wdev)
 341 {
 342         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 343
 344         drv_stop_nan(sdata->local, sdata);
 345         ieee80211_sdata_stop(sdata);
 346 }
 347
 348 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
 349                                      struct wireless_dev *wdev,
 350                                      struct cfg80211_nan_conf *conf,
 351                                      u32 changes)
 352 {
 353         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 354         struct cfg80211_nan_conf new_conf;
 355         int ret = 0;
 356
 357         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 358                 return -EOPNOTSUPP;
 359
 360         if (!ieee80211_sdata_running(sdata))
 361                 return -ENETDOWN;
 362
 363         new_conf = sdata->u.nan.conf;
 364
 365         if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
 366                 new_conf.master_pref = conf->master_pref;
 367
 368         if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
 369                 new_conf.bands = conf->bands;
 370
 371         ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
 372         if (!ret)
 373                 sdata->u.nan.conf = new_conf;
 374
 375         return ret;
 376 }
 377
 378 static int ieee80211_add_nan_func(struct wiphy *wiphy,
 379                                   struct wireless_dev *wdev,
 380                                   struct cfg80211_nan_func *nan_func)
 381 {
 382         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 383         int ret;
 384
 385         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 386                 return -EOPNOTSUPP;
 387
 388         if (!ieee80211_sdata_running(sdata))
 389                 return -ENETDOWN;
 390
 391         spin_lock_bh(&sdata->u.nan.func_lock);
 392
 393         ret = idr_alloc(&sdata->u.nan.function_inst_ids,
 394                         nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
 395                         GFP_ATOMIC);
 396         spin_unlock_bh(&sdata->u.nan.func_lock);
 397
 398         if (ret < 0)
 399                 return ret;
 400
 401         nan_func->instance_id = ret;
 402
 403         WARN_ON(nan_func->instance_id == 0);
 404
 405         ret = drv_add_nan_func(sdata->local, sdata, nan_func);
 406         if (ret) {
 407                 spin_lock_bh(&sdata->u.nan.func_lock);
 408                 idr_remove(&sdata->u.nan.function_inst_ids,
 409                            nan_func->instance_id);
 410                 spin_unlock_bh(&sdata->u.nan.func_lock);
 411         }
 412
 413         return ret;
 414 }
 415
 416 static struct cfg80211_nan_func *
 417 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
 418                                   u64 cookie)
 419 {
 420         struct cfg80211_nan_func *func;
 421         int id;
 422
 423         lockdep_assert_held(&sdata->u.nan.func_lock);
 424
 425         idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
 426                 if (func->cookie == cookie)
 427                         return func;
 428         }
 429
 430         return NULL;
 431 }
 432
 433 static void ieee80211_del_nan_func(struct wiphy *wiphy,
 434                                   struct wireless_dev *wdev, u64 cookie)
 435 {
 436         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 437         struct cfg80211_nan_func *func;
 438         u8 instance_id = 0;
 439
 440         if (sdata->vif.type != NL80211_IFTYPE_NAN ||
 441             !ieee80211_sdata_running(sdata))
 442                 return;
 443
 444         spin_lock_bh(&sdata->u.nan.func_lock);
 445
 446         func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
 447         if (func)
 448                 instance_id = func->instance_id;
 449
 450         spin_unlock_bh(&sdata->u.nan.func_lock);
 451
 452         if (instance_id)
 453                 drv_del_nan_func(sdata->local, sdata, instance_id);
 454 }
 455
 456 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 457                                   struct net_device *dev,
 458                                   u16 noack_map)
 459 {
 460         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 461
 462         sdata->noack_map = noack_map;
 463
 464         ieee80211_check_fast_xmit_iface(sdata);
 465
 466         return 0;
 467 }
 468
 469 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
 470                             const u8 *mac_addr, u8 key_idx)
 471 {
 472         struct ieee80211_local *local = sdata->local;
 473         struct ieee80211_key *key;
 474         struct sta_info *sta;
 475         int ret = -EINVAL;
 476
 477         if (!wiphy_ext_feature_isset(local->hw.wiphy,
 478                                      NL80211_EXT_FEATURE_EXT_KEY_ID))
 479                 return -EINVAL;
 480
 481         sta = sta_info_get_bss(sdata, mac_addr);
 482
 483         if (!sta)
 484                 return -EINVAL;
 485
 486         if (sta->ptk_idx == key_idx)
 487                 return 0;
 488
 489         key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]);
 490
 491         if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
 492                 ret = ieee80211_set_tx_key(key);
 493
 494         return ret;
 495 }
 496
 497 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 498                              int link_id, u8 key_idx, bool pairwise,
 499                              const u8 *mac_addr, struct key_params *params)
 500 {
 501         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 502         struct ieee80211_link_data *link =
 503                 ieee80211_link_or_deflink(sdata, link_id, false);
 504         struct ieee80211_local *local = sdata->local;
 505         struct sta_info *sta = NULL;
 506         struct ieee80211_key *key;
 507         int err;
 508
 509         lockdep_assert_wiphy(local->hw.wiphy);
 510
 511         if (!ieee80211_sdata_running(sdata))
 512                 return -ENETDOWN;
 513
 514         if (IS_ERR(link))
 515                 return PTR_ERR(link);
 516
 517         if (WARN_ON(pairwise && link_id >= 0))
 518                 return -EINVAL;
 519
 520         if (pairwise && params->mode == NL80211_KEY_SET_TX)
 521                 return ieee80211_set_tx(sdata, mac_addr, key_idx);
 522
 523         /* reject WEP and TKIP keys if WEP failed to initialize */
 524         switch (params->cipher) {
 525         case WLAN_CIPHER_SUITE_WEP40:
 526         case WLAN_CIPHER_SUITE_TKIP:
 527         case WLAN_CIPHER_SUITE_WEP104:
 528                 if (link_id >= 0)
 529                         return -EINVAL;
 530                 if (WARN_ON_ONCE(fips_enabled))
 531                         return -EINVAL;
 532                 break;
 533         default:
 534                 break;
 535         }
 536
 537         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 538                                   params->key, params->seq_len, params->seq);
 539         if (IS_ERR(key))
 540                 return PTR_ERR(key);
 541
 542         if (pairwise) {
 543                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 544                 key->conf.link_id = -1;
 545         } else {
 546                 key->conf.link_id = link->link_id;
 547         }
 548
 549         if (params->mode == NL80211_KEY_NO_TX)
 550                 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
 551
 552         if (mac_addr) {
 553                 sta = sta_info_get_bss(sdata, mac_addr);
 554                 /*
 555                  * The ASSOC test makes sure the driver is ready to
 556                  * receive the key. When wpa_supplicant has roamed
 557                  * using FT, it attempts to set the key before
 558                  * association has completed, this rejects that attempt
 559                  * so it will set the key again after association.
 560                  *
 561                  * TODO: accept the key if we have a station entry and
 562                  *       add it to the device after the station.
 563                  */
 564                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 565                         ieee80211_key_free_unused(key);
 566                         return -ENOENT;
 567                 }
 568         }
 569
 570         switch (sdata->vif.type) {
 571         case NL80211_IFTYPE_STATION:
 572                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 573                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 574                 break;
 575         case NL80211_IFTYPE_AP:
 576         case NL80211_IFTYPE_AP_VLAN:
 577                 /* Keys without a station are used for TX only */
 578                 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
 579                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 580                 break;
 581         case NL80211_IFTYPE_ADHOC:
 582                 /* no MFP (yet) */
 583                 break;
 584         case NL80211_IFTYPE_MESH_POINT:
 585 #ifdef CONFIG_MAC80211_MESH
 586                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 587                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 588                 break;
 589 #endif
 590         case NL80211_IFTYPE_WDS:
 591         case NL80211_IFTYPE_MONITOR:
 592         case NL80211_IFTYPE_P2P_DEVICE:
 593         case NL80211_IFTYPE_NAN:
 594         case NL80211_IFTYPE_UNSPECIFIED:
 595         case NUM_NL80211_IFTYPES:
 596         case NL80211_IFTYPE_P2P_CLIENT:
 597         case NL80211_IFTYPE_P2P_GO:
 598         case NL80211_IFTYPE_OCB:
 599                 /* shouldn't happen */
 600                 WARN_ON_ONCE(1);
 601                 break;
 602         }
 603
 604         err = ieee80211_key_link(key, link, sta);
 605         /* KRACK protection, shouldn't happen but just silently accept key */
 606         if (err == -EALREADY)
 607                 err = 0;
 608
 609         return err;
 610 }
 611
 612 static struct ieee80211_key *
 613 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id,
 614                      u8 key_idx, bool pairwise, const u8 *mac_addr)
 615 {
 616         struct ieee80211_local *local __maybe_unused = sdata->local;
 617         struct ieee80211_link_data *link = &sdata->deflink;
 618         struct ieee80211_key *key;
 619
 620         if (link_id >= 0) {
 621                 link = sdata_dereference(sdata->link[link_id], sdata);
 622                 if (!link)
 623                         return NULL;
 624         }
 625
 626         if (mac_addr) {
 627                 struct sta_info *sta;
 628                 struct link_sta_info *link_sta;
 629
 630                 sta = sta_info_get_bss(sdata, mac_addr);
 631                 if (!sta)
 632                         return NULL;
 633
 634                 if (link_id >= 0) {
 635                         link_sta = rcu_dereference_check(sta->link[link_id],
 636                                                          lockdep_is_held(&local->hw.wiphy->mtx));
 637                         if (!link_sta)
 638                                 return NULL;
 639                 } else {
 640                         link_sta = &sta->deflink;
 641                 }
 642
 643                 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
 644                         return wiphy_dereference(local->hw.wiphy,
 645                                                  sta->ptk[key_idx]);
 646
 647                 if (!pairwise &&
 648                     key_idx < NUM_DEFAULT_KEYS +
 649                               NUM_DEFAULT_MGMT_KEYS +
 650                               NUM_DEFAULT_BEACON_KEYS)
 651                         return wiphy_dereference(local->hw.wiphy,
 652                                                  link_sta->gtk[key_idx]);
 653
 654                 return NULL;
 655         }
 656
 657         if (pairwise && key_idx < NUM_DEFAULT_KEYS)
 658                 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
 659
 660         key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]);
 661         if (key)
 662                 return key;
 663
 664         /* or maybe it was a WEP key */
 665         if (key_idx < NUM_DEFAULT_KEYS)
 666                 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]);
 667
 668         return NULL;
 669 }
 670
 671 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 672                              int link_id, u8 key_idx, bool pairwise,
 673                              const u8 *mac_addr)
 674 {
 675         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 676         struct ieee80211_local *local = sdata->local;
 677         struct ieee80211_key *key;
 678
 679         lockdep_assert_wiphy(local->hw.wiphy);
 680
 681         key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
 682         if (!key)
 683                 return -ENOENT;
 684
 685         ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
 686
 687         return 0;
 688 }
 689
 690 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 691                              int link_id, u8 key_idx, bool pairwise,
 692                              const u8 *mac_addr, void *cookie,
 693                              void (*callback)(void *cookie,
 694                                               struct key_params *params))
 695 {
 696         struct ieee80211_sub_if_data *sdata;
 697         u8 seq[6] = {0};
 698         struct key_params params;
 699         struct ieee80211_key *key;
 700         u64 pn64;
 701         u32 iv32;
 702         u16 iv16;
 703         int err = -ENOENT;
 704         struct ieee80211_key_seq kseq = {};
 705
 706         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 707
 708         rcu_read_lock();
 709
 710         key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr);
 711         if (!key)
 712                 goto out;
 713
 714         memset(&params, 0, sizeof(params));
 715
 716         params.cipher = key->conf.cipher;
 717
 718         switch (key->conf.cipher) {
 719         case WLAN_CIPHER_SUITE_TKIP:
 720                 pn64 = atomic64_read(&key->conf.tx_pn);
 721                 iv32 = TKIP_PN_TO_IV32(pn64);
 722                 iv16 = TKIP_PN_TO_IV16(pn64);
 723
 724                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 725                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 726                         drv_get_key_seq(sdata->local, key, &kseq);
 727                         iv32 = kseq.tkip.iv32;
 728                         iv16 = kseq.tkip.iv16;
 729                 }
 730
 731                 seq[0] = iv16 & 0xff;
 732                 seq[1] = (iv16 >> 8) & 0xff;
 733                 seq[2] = iv32 & 0xff;
 734                 seq[3] = (iv32 >> 8) & 0xff;
 735                 seq[4] = (iv32 >> 16) & 0xff;
 736                 seq[5] = (iv32 >> 24) & 0xff;
 737                 params.seq = seq;
 738                 params.seq_len = 6;
 739                 break;
 740         case WLAN_CIPHER_SUITE_CCMP:
 741         case WLAN_CIPHER_SUITE_CCMP_256:
 742         case WLAN_CIPHER_SUITE_AES_CMAC:
 743         case WLAN_CIPHER_SUITE_BIP_CMAC_256:
 744                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 745                              offsetof(typeof(kseq), aes_cmac));
 746                 fallthrough;
 747         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 748         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 749                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 750                              offsetof(typeof(kseq), aes_gmac));
 751                 fallthrough;
 752         case WLAN_CIPHER_SUITE_GCMP:
 753         case WLAN_CIPHER_SUITE_GCMP_256:
 754                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 755                              offsetof(typeof(kseq), gcmp));
 756
 757                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 758                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 759                         drv_get_key_seq(sdata->local, key, &kseq);
 760                         memcpy(seq, kseq.ccmp.pn, 6);
 761                 } else {
 762                         pn64 = atomic64_read(&key->conf.tx_pn);
 763                         seq[0] = pn64;
 764                         seq[1] = pn64 >> 8;
 765                         seq[2] = pn64 >> 16;
 766                         seq[3] = pn64 >> 24;
 767                         seq[4] = pn64 >> 32;
 768                         seq[5] = pn64 >> 40;
 769                 }
 770                 params.seq = seq;
 771                 params.seq_len = 6;
 772                 break;
 773         default:
 774                 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
 775                         break;
 776                 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
 777                         break;
 778                 drv_get_key_seq(sdata->local, key, &kseq);
 779                 params.seq = kseq.hw.seq;
 780                 params.seq_len = kseq.hw.seq_len;
 781                 break;
 782         }
 783
 784         callback(cookie, &params);
 785         err = 0;
 786
 787  out:
 788         rcu_read_unlock();
 789         return err;
 790 }
 791
 792 static int ieee80211_config_default_key(struct wiphy *wiphy,
 793                                         struct net_device *dev,
 794                                         int link_id, u8 key_idx, bool uni,
 795                                         bool multi)
 796 {
 797         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 798         struct ieee80211_link_data *link =
 799                 ieee80211_link_or_deflink(sdata, link_id, false);
 800
 801         if (IS_ERR(link))
 802                 return PTR_ERR(link);
 803
 804         ieee80211_set_default_key(link, key_idx, uni, multi);
 805
 806         return 0;
 807 }
 808
 809 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 810                                              struct net_device *dev,
 811                                              int link_id, u8 key_idx)
 812 {
 813         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 814         struct ieee80211_link_data *link =
 815                 ieee80211_link_or_deflink(sdata, link_id, true);
 816
 817         if (IS_ERR(link))
 818                 return PTR_ERR(link);
 819
 820         ieee80211_set_default_mgmt_key(link, key_idx);
 821
 822         return 0;
 823 }
 824
 825 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
 826                                                struct net_device *dev,
 827                                                int link_id, u8 key_idx)
 828 {
 829         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 830         struct ieee80211_link_data *link =
 831                 ieee80211_link_or_deflink(sdata, link_id, true);
 832
 833         if (IS_ERR(link))
 834                 return PTR_ERR(link);
 835
 836         ieee80211_set_default_beacon_key(link, key_idx);
 837
 838         return 0;
 839 }
 840
 841 void sta_set_rate_info_tx(struct sta_info *sta,
 842                           const struct ieee80211_tx_rate *rate,
 843                           struct rate_info *rinfo)
 844 {
 845         rinfo->flags = 0;
 846         if (rate->flags & IEEE80211_TX_RC_MCS) {
 847                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 848                 rinfo->mcs = rate->idx;
 849         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 850                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 851                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 852                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 853         } else {
 854                 struct ieee80211_supported_band *sband;
 855
 856                 sband = ieee80211_get_sband(sta->sdata);
 857                 WARN_ON_ONCE(sband && !sband->bitrates);
 858                 if (sband && sband->bitrates)
 859                         rinfo->legacy = sband->bitrates[rate->idx].bitrate;
 860         }
 861         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 862                 rinfo->bw = RATE_INFO_BW_40;
 863         else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 864                 rinfo->bw = RATE_INFO_BW_80;
 865         else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 866                 rinfo->bw = RATE_INFO_BW_160;
 867         else
 868                 rinfo->bw = RATE_INFO_BW_20;
 869         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 870                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 871 }
 872
 873 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 874                                   int idx, u8 *mac, struct station_info *sinfo)
 875 {
 876         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 877         struct ieee80211_local *local = sdata->local;
 878         struct sta_info *sta;
 879         int ret = -ENOENT;
 880
 881         lockdep_assert_wiphy(local->hw.wiphy);
 882
 883         sta = sta_info_get_by_idx(sdata, idx);
 884         if (sta) {
 885                 ret = 0;
 886                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 887                 sta_set_sinfo(sta, sinfo, true);
 888         }
 889
 890         return ret;
 891 }
 892
 893 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 894                                  int idx, struct survey_info *survey)
 895 {
 896         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 897
 898         return drv_get_survey(local, idx, survey);
 899 }
 900
 901 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 902                                  const u8 *mac, struct station_info *sinfo)
 903 {
 904         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 905         struct ieee80211_local *local = sdata->local;
 906         struct sta_info *sta;
 907         int ret = -ENOENT;
 908
 909         lockdep_assert_wiphy(local->hw.wiphy);
 910
 911         sta = sta_info_get_bss(sdata, mac);
 912         if (sta) {
 913                 ret = 0;
 914                 sta_set_sinfo(sta, sinfo, true);
 915         }
 916
 917         return ret;
 918 }
 919
 920 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 921                                          struct net_device *dev,
 922                                          struct cfg80211_chan_def *chandef)
 923 {
 924         struct ieee80211_local *local = wiphy_priv(wiphy);
 925         struct ieee80211_sub_if_data *sdata;
 926         struct ieee80211_chan_req chanreq = { .oper = *chandef };
 927         int ret;
 928
 929         lockdep_assert_wiphy(local->hw.wiphy);
 930
 931         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 932         if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
 933                 if (cfg80211_chandef_identical(&local->monitor_chanreq.oper,
 934                                                &chanreq.oper))
 935                         return 0;
 936
 937                 sdata = wiphy_dereference(wiphy, local->monitor_sdata);
 938                 if (!sdata)
 939                         goto done;
 940         }
 941
 942         if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) &&
 943             cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper,
 944                                        &chanreq.oper))
 945                 return 0;
 946
 947         ieee80211_link_release_channel(&sdata->deflink);
 948         ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
 949                                          IEEE80211_CHANCTX_SHARED);
 950         if (ret)
 951                 return ret;
 952 done:
 953         local->monitor_chanreq = chanreq;
 954         return 0;
 955 }
 956
 957 static int
 958 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 959                          const u8 *resp, size_t resp_len,
 960                          const struct ieee80211_csa_settings *csa,
 961                          const struct ieee80211_color_change_settings *cca,
 962                          struct ieee80211_link_data *link)
 963 {
 964         struct probe_resp *new, *old;
 965
 966         if (!resp || !resp_len)
 967                 return 1;
 968
 969         old = sdata_dereference(link->u.ap.probe_resp, sdata);
 970
 971         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 972         if (!new)
 973                 return -ENOMEM;
 974
 975         new->len = resp_len;
 976         memcpy(new->data, resp, resp_len);
 977
 978         if (csa)
 979                 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp,
 980                        csa->n_counter_offsets_presp *
 981                        sizeof(new->cntdwn_counter_offsets[0]));
 982         else if (cca)
 983                 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp;
 984
 985         rcu_assign_pointer(link->u.ap.probe_resp, new);
 986         if (old)
 987                 kfree_rcu(old, rcu_head);
 988
 989         return 0;
 990 }
 991
 992 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata,
 993                                         struct cfg80211_fils_discovery *params,
 994                                         struct ieee80211_link_data *link,
 995                                         struct ieee80211_bss_conf *link_conf,
 996                                         u64 *changed)
 997 {
 998         struct fils_discovery_data *new, *old = NULL;
 999         struct ieee80211_fils_discovery *fd;
1000
1001         if (!params->update)
1002                 return 0;
1003
1004         fd = &link_conf->fils_discovery;
1005         fd->min_interval = params->min_interval;
1006         fd->max_interval = params->max_interval;
1007
1008         old = sdata_dereference(link->u.ap.fils_discovery, sdata);
1009         if (old)
1010                 kfree_rcu(old, rcu_head);
1011
1012         if (params->tmpl && params->tmpl_len) {
1013                 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1014                 if (!new)
1015                         return -ENOMEM;
1016                 new->len = params->tmpl_len;
1017                 memcpy(new->data, params->tmpl, params->tmpl_len);
1018                 rcu_assign_pointer(link->u.ap.fils_discovery, new);
1019         } else {
1020                 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1021         }
1022
1023         *changed |= BSS_CHANGED_FILS_DISCOVERY;
1024         return 0;
1025 }
1026
1027 static int
1028 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata,
1029                                      struct cfg80211_unsol_bcast_probe_resp *params,
1030                                      struct ieee80211_link_data *link,
1031                                      struct ieee80211_bss_conf *link_conf,
1032                                      u64 *changed)
1033 {
1034         struct unsol_bcast_probe_resp_data *new, *old = NULL;
1035
1036         if (!params->update)
1037                 return 0;
1038
1039         link_conf->unsol_bcast_probe_resp_interval = params->interval;
1040
1041         old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata);
1042         if (old)
1043                 kfree_rcu(old, rcu_head);
1044
1045         if (params->tmpl && params->tmpl_len) {
1046                 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL);
1047                 if (!new)
1048                         return -ENOMEM;
1049                 new->len = params->tmpl_len;
1050                 memcpy(new->data, params->tmpl, params->tmpl_len);
1051                 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new);
1052         } else {
1053                 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1054         }
1055
1056         *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP;
1057         return 0;
1058 }
1059
1060 static int ieee80211_set_ftm_responder_params(
1061                                 struct ieee80211_sub_if_data *sdata,
1062                                 const u8 *lci, size_t lci_len,
1063                                 const u8 *civicloc, size_t civicloc_len,
1064                                 struct ieee80211_bss_conf *link_conf)
1065 {
1066         struct ieee80211_ftm_responder_params *new, *old;
1067         u8 *pos;
1068         int len;
1069
1070         if (!lci_len && !civicloc_len)
1071                 return 0;
1072
1073         old = link_conf->ftmr_params;
1074         len = lci_len + civicloc_len;
1075
1076         new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
1077         if (!new)
1078                 return -ENOMEM;
1079
1080         pos = (u8 *)(new + 1);
1081         if (lci_len) {
1082                 new->lci_len = lci_len;
1083                 new->lci = pos;
1084                 memcpy(pos, lci, lci_len);
1085                 pos += lci_len;
1086         }
1087
1088         if (civicloc_len) {
1089                 new->civicloc_len = civicloc_len;
1090                 new->civicloc = pos;
1091                 memcpy(pos, civicloc, civicloc_len);
1092                 pos += civicloc_len;
1093         }
1094
1095         link_conf->ftmr_params = new;
1096         kfree(old);
1097
1098         return 0;
1099 }
1100
1101 static int
1102 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst,
1103                              struct cfg80211_mbssid_elems *src)
1104 {
1105         int i, offset = 0;
1106
1107         dst->cnt = src->cnt;
1108         for (i = 0; i < src->cnt; i++) {
1109                 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1110                 dst->elem[i].len = src->elem[i].len;
1111                 dst->elem[i].data = pos + offset;
1112                 offset += dst->elem[i].len;
1113         }
1114
1115         return offset;
1116 }
1117
1118 static int
1119 ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst,
1120                           struct cfg80211_rnr_elems *src)
1121 {
1122         int i, offset = 0;
1123
1124         for (i = 0; i < src->cnt; i++) {
1125                 memcpy(pos + offset, src->elem[i].data, src->elem[i].len);
1126                 dst->elem[i].len = src->elem[i].len;
1127                 dst->elem[i].data = pos + offset;
1128                 offset += dst->elem[i].len;
1129         }
1130         dst->cnt = src->cnt;
1131
1132         return offset;
1133 }
1134
1135 static int
1136 ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
1137                         struct ieee80211_link_data *link,
1138                         struct cfg80211_beacon_data *params,
1139                         const struct ieee80211_csa_settings *csa,
1140                         const struct ieee80211_color_change_settings *cca,
1141                         u64 *changed)
1142 {
1143         struct cfg80211_mbssid_elems *mbssid = NULL;
1144         struct cfg80211_rnr_elems *rnr = NULL;
1145         struct beacon_data *new, *old;
1146         int new_head_len, new_tail_len;
1147         int size, err;
1148         u64 _changed = BSS_CHANGED_BEACON;
1149         struct ieee80211_bss_conf *link_conf = link->conf;
1150
1151         old = sdata_dereference(link->u.ap.beacon, sdata);
1152
1153         /* Need to have a beacon head if we don't have one yet */
1154         if (!params->head && !old)
1155                 return -EINVAL;
1156
1157         /* new or old head? */
1158         if (params->head)
1159                 new_head_len = params->head_len;
1160         else
1161                 new_head_len = old->head_len;
1162
1163         /* new or old tail? */
1164         if (params->tail || !old)
1165                 /* params->tail_len will be zero for !params->tail */
1166                 new_tail_len = params->tail_len;
1167         else
1168                 new_tail_len = old->tail_len;
1169
1170         size = sizeof(*new) + new_head_len + new_tail_len;
1171
1172         /* new or old multiple BSSID elements? */
1173         if (params->mbssid_ies) {
1174                 mbssid = params->mbssid_ies;
1175                 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1176                 if (params->rnr_ies) {
1177                         rnr = params->rnr_ies;
1178                         size += struct_size(new->rnr_ies, elem, rnr->cnt);
1179                 }
1180                 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr,
1181                                                         mbssid->cnt);
1182         } else if (old && old->mbssid_ies) {
1183                 mbssid = old->mbssid_ies;
1184                 size += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1185                 if (old && old->rnr_ies) {
1186                         rnr = old->rnr_ies;
1187                         size += struct_size(new->rnr_ies, elem, rnr->cnt);
1188                 }
1189                 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr,
1190                                                         mbssid->cnt);
1191         }
1192
1193         new = kzalloc(size, GFP_KERNEL);
1194         if (!new)
1195                 return -ENOMEM;
1196
1197         /* start filling the new info now */
1198
1199         /*
1200          * pointers go into the block we allocated,
1201          * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies
1202          */
1203         new->head = ((u8 *) new) + sizeof(*new);
1204         new->tail = new->head + new_head_len;
1205         new->head_len = new_head_len;
1206         new->tail_len = new_tail_len;
1207         /* copy in optional mbssid_ies */
1208         if (mbssid) {
1209                 u8 *pos = new->tail + new->tail_len;
1210
1211                 new->mbssid_ies = (void *)pos;
1212                 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt);
1213                 pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies,
1214                                                     mbssid);
1215                 if (rnr) {
1216                         new->rnr_ies = (void *)pos;
1217                         pos += struct_size(new->rnr_ies, elem, rnr->cnt);
1218                         ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr);
1219                 }
1220                 /* update bssid_indicator */
1221                 link_conf->bssid_indicator =
1222                         ilog2(__roundup_pow_of_two(mbssid->cnt + 1));
1223         }
1224
1225         if (csa) {
1226                 new->cntdwn_current_counter = csa->count;
1227                 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon,
1228                        csa->n_counter_offsets_beacon *
1229                        sizeof(new->cntdwn_counter_offsets[0]));
1230         } else if (cca) {
1231                 new->cntdwn_current_counter = cca->count;
1232                 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon;
1233         }
1234
1235         /* copy in head */
1236         if (params->head)
1237                 memcpy(new->head, params->head, new_head_len);
1238         else
1239                 memcpy(new->head, old->head, new_head_len);
1240
1241         /* copy in optional tail */
1242         if (params->tail)
1243                 memcpy(new->tail, params->tail, new_tail_len);
1244         else
1245                 if (old)
1246                         memcpy(new->tail, old->tail, new_tail_len);
1247
1248         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
1249                                        params->probe_resp_len, csa, cca, link);
1250         if (err < 0) {
1251                 kfree(new);
1252                 return err;
1253         }
1254         if (err == 0)
1255                 _changed |= BSS_CHANGED_AP_PROBE_RESP;
1256
1257         if (params->ftm_responder != -1) {
1258                 link_conf->ftm_responder = params->ftm_responder;
1259                 err = ieee80211_set_ftm_responder_params(sdata,
1260                                                          params->lci,
1261                                                          params->lci_len,
1262                                                          params->civicloc,
1263                                                          params->civicloc_len,
1264                                                          link_conf);
1265
1266                 if (err < 0) {
1267                         kfree(new);
1268                         return err;
1269                 }
1270
1271                 _changed |= BSS_CHANGED_FTM_RESPONDER;
1272         }
1273
1274         rcu_assign_pointer(link->u.ap.beacon, new);
1275         sdata->u.ap.active = true;
1276
1277         if (old)
1278                 kfree_rcu(old, rcu_head);
1279
1280         *changed |= _changed;
1281         return 0;
1282 }
1283
1284 static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata)
1285 {
1286         struct ieee80211_link_data *link;
1287         u8 link_id, num = 0;
1288
1289         if (sdata->vif.type != NL80211_IFTYPE_AP &&
1290             sdata->vif.type != NL80211_IFTYPE_P2P_GO)
1291                 return num;
1292
1293         /* non-MLO mode of operation also uses link_id 0 in sdata so it is
1294          * safe to directly proceed with the below loop
1295          */
1296         for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
1297                 link = sdata_dereference(sdata->link[link_id], sdata);
1298                 if (!link)
1299                         continue;
1300
1301                 if (sdata_dereference(link->u.ap.beacon, sdata))
1302                         num++;
1303         }
1304
1305         return num;
1306 }
1307
1308 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
1309                               struct cfg80211_ap_settings *params)
1310 {
1311         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1312         struct ieee80211_local *local = sdata->local;
1313         struct beacon_data *old;
1314         struct ieee80211_sub_if_data *vlan;
1315         u64 changed = BSS_CHANGED_BEACON_INT |
1316                       BSS_CHANGED_BEACON_ENABLED |
1317                       BSS_CHANGED_BEACON |
1318                       BSS_CHANGED_P2P_PS |
1319                       BSS_CHANGED_TXPOWER |
1320                       BSS_CHANGED_TWT;
1321         int i, err;
1322         int prev_beacon_int;
1323         unsigned int link_id = params->beacon.link_id;
1324         struct ieee80211_link_data *link;
1325         struct ieee80211_bss_conf *link_conf;
1326         struct ieee80211_chan_req chanreq = { .oper = params->chandef };
1327
1328         lockdep_assert_wiphy(local->hw.wiphy);
1329
1330         link = sdata_dereference(sdata->link[link_id], sdata);
1331         if (!link)
1332                 return -ENOLINK;
1333
1334         link_conf = link->conf;
1335
1336         old = sdata_dereference(link->u.ap.beacon, sdata);
1337         if (old)
1338                 return -EALREADY;
1339
1340         link->smps_mode = IEEE80211_SMPS_OFF;
1341
1342         link->needed_rx_chains = sdata->local->rx_chains;
1343
1344         prev_beacon_int = link_conf->beacon_int;
1345         link_conf->beacon_int = params->beacon_interval;
1346
1347         if (params->ht_cap)
1348                 link_conf->ht_ldpc =
1349                         params->ht_cap->cap_info &
1350                                 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
1351
1352         if (params->vht_cap) {
1353                 link_conf->vht_ldpc =
1354                         params->vht_cap->vht_cap_info &
1355                                 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
1356                 link_conf->vht_su_beamformer =
1357                         params->vht_cap->vht_cap_info &
1358                                 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
1359                 link_conf->vht_su_beamformee =
1360                         params->vht_cap->vht_cap_info &
1361                                 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
1362                 link_conf->vht_mu_beamformer =
1363                         params->vht_cap->vht_cap_info &
1364                                 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
1365                 link_conf->vht_mu_beamformee =
1366                         params->vht_cap->vht_cap_info &
1367                                 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
1368         }
1369
1370         if (params->he_cap && params->he_oper) {
1371                 link_conf->he_support = true;
1372                 link_conf->htc_trig_based_pkt_ext =
1373                         le32_get_bits(params->he_oper->he_oper_params,
1374                               IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1375                 link_conf->frame_time_rts_th =
1376                         le32_get_bits(params->he_oper->he_oper_params,
1377                               IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1378                 changed |= BSS_CHANGED_HE_OBSS_PD;
1379
1380                 if (params->beacon.he_bss_color.enabled)
1381                         changed |= BSS_CHANGED_HE_BSS_COLOR;
1382         }
1383
1384         if (params->he_cap) {
1385                 link_conf->he_ldpc =
1386                         params->he_cap->phy_cap_info[1] &
1387                                 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
1388                 link_conf->he_su_beamformer =
1389                         params->he_cap->phy_cap_info[3] &
1390                                 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
1391                 link_conf->he_su_beamformee =
1392                         params->he_cap->phy_cap_info[4] &
1393                                 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE;
1394                 link_conf->he_mu_beamformer =
1395                         params->he_cap->phy_cap_info[4] &
1396                                 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
1397                 link_conf->he_full_ul_mumimo =
1398                         params->he_cap->phy_cap_info[2] &
1399                                 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO;
1400         }
1401
1402         if (params->eht_cap) {
1403                 if (!link_conf->he_support)
1404                         return -EOPNOTSUPP;
1405
1406                 link_conf->eht_support = true;
1407
1408                 link_conf->eht_su_beamformer =
1409                         params->eht_cap->fixed.phy_cap_info[0] &
1410                                 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
1411                 link_conf->eht_su_beamformee =
1412                         params->eht_cap->fixed.phy_cap_info[0] &
1413                                 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
1414                 link_conf->eht_mu_beamformer =
1415                         params->eht_cap->fixed.phy_cap_info[7] &
1416                                 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
1417                                  IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
1418                                  IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
1419                 link_conf->eht_80mhz_full_bw_ul_mumimo =
1420                         params->eht_cap->fixed.phy_cap_info[7] &
1421                                 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
1422                                  IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
1423                                  IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
1424                 link_conf->eht_disable_mcs15 =
1425                         u8_get_bits(params->eht_oper->params,
1426                                     IEEE80211_EHT_OPER_MCS15_DISABLE);
1427         } else {
1428                 link_conf->eht_su_beamformer = false;
1429                 link_conf->eht_su_beamformee = false;
1430                 link_conf->eht_mu_beamformer = false;
1431         }
1432
1433         if (sdata->vif.type == NL80211_IFTYPE_AP &&
1434             params->mbssid_config.tx_wdev) {
1435                 err = ieee80211_set_ap_mbssid_options(sdata,
1436                                                       &params->mbssid_config,
1437                                                       link_conf);
1438                 if (err)
1439                         return err;
1440         }
1441
1442         err = ieee80211_link_use_channel(link, &chanreq,
1443                                          IEEE80211_CHANCTX_SHARED);
1444         if (!err)
1445                 ieee80211_link_copy_chanctx_to_vlans(link, false);
1446         if (err) {
1447                 link_conf->beacon_int = prev_beacon_int;
1448                 return err;
1449         }
1450
1451         /*
1452          * Apply control port protocol, this allows us to
1453          * not encrypt dynamic WEP control frames.
1454          */
1455         sdata->control_port_protocol = params->crypto.control_port_ethertype;
1456         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1457         sdata->control_port_over_nl80211 =
1458                                 params->crypto.control_port_over_nl80211;
1459         sdata->control_port_no_preauth =
1460                                 params->crypto.control_port_no_preauth;
1461
1462         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1463                 vlan->control_port_protocol =
1464                         params->crypto.control_port_ethertype;
1465                 vlan->control_port_no_encrypt =
1466                         params->crypto.control_port_no_encrypt;
1467                 vlan->control_port_over_nl80211 =
1468                         params->crypto.control_port_over_nl80211;
1469                 vlan->control_port_no_preauth =
1470                         params->crypto.control_port_no_preauth;
1471         }
1472
1473         link_conf->dtim_period = params->dtim_period;
1474         link_conf->enable_beacon = true;
1475         link_conf->allow_p2p_go_ps = sdata->vif.p2p;
1476         link_conf->twt_responder = params->twt_responder;
1477         link_conf->he_obss_pd = params->he_obss_pd;
1478         link_conf->he_bss_color = params->beacon.he_bss_color;
1479         sdata->vif.cfg.s1g = params->chandef.chan->band ==
1480                                   NL80211_BAND_S1GHZ;
1481
1482         sdata->vif.cfg.ssid_len = params->ssid_len;
1483         if (params->ssid_len)
1484                 memcpy(sdata->vif.cfg.ssid, params->ssid,
1485                        params->ssid_len);
1486         link_conf->hidden_ssid =
1487                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1488
1489         memset(&link_conf->p2p_noa_attr, 0,
1490                sizeof(link_conf->p2p_noa_attr));
1491         link_conf->p2p_noa_attr.oppps_ctwindow =
1492                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1493         if (params->p2p_opp_ps)
1494                 link_conf->p2p_noa_attr.oppps_ctwindow |=
1495                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1496
1497         sdata->beacon_rate_set = false;
1498         if (wiphy_ext_feature_isset(local->hw.wiphy,
1499                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1500                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
1501                         sdata->beacon_rateidx_mask[i] =
1502                                 params->beacon_rate.control[i].legacy;
1503                         if (sdata->beacon_rateidx_mask[i])
1504                                 sdata->beacon_rate_set = true;
1505                 }
1506         }
1507
1508         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))
1509                 link_conf->beacon_tx_rate = params->beacon_rate;
1510
1511         err = ieee80211_assign_beacon(sdata, link, &params->beacon, NULL, NULL,
1512                                       &changed);
1513         if (err < 0)
1514                 goto error;
1515
1516         err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
1517                                            link, link_conf, &changed);
1518         if (err < 0)
1519                 goto error;
1520
1521         err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1522                                                    &params->unsol_bcast_probe_resp,
1523                                                    link, link_conf, &changed);
1524         if (err < 0)
1525                 goto error;
1526
1527         err = drv_start_ap(sdata->local, sdata, link_conf);
1528         if (err) {
1529                 old = sdata_dereference(link->u.ap.beacon, sdata);
1530
1531                 if (old)
1532                         kfree_rcu(old, rcu_head);
1533                 RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1534
1535                 if (ieee80211_num_beaconing_links(sdata) == 0)
1536                         sdata->u.ap.active = false;
1537
1538                 goto error;
1539         }
1540
1541         ieee80211_recalc_dtim(local, sdata);
1542         ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID);
1543         ieee80211_link_info_change_notify(sdata, link, changed);
1544
1545         if (ieee80211_num_beaconing_links(sdata) <= 1)
1546                 netif_carrier_on(dev);
1547
1548         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1549                 netif_carrier_on(vlan->dev);
1550
1551         return 0;
1552
1553 error:
1554         ieee80211_link_release_channel(link);
1555
1556         return err;
1557 }
1558
1559 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1560                                    struct cfg80211_ap_update *params)
1561
1562 {
1563         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1564         struct ieee80211_link_data *link;
1565         struct cfg80211_beacon_data *beacon = &params->beacon;
1566         struct beacon_data *old;
1567         int err;
1568         struct ieee80211_bss_conf *link_conf;
1569         u64 changed = 0;
1570
1571         lockdep_assert_wiphy(wiphy);
1572
1573         link = sdata_dereference(sdata->link[beacon->link_id], sdata);
1574         if (!link)
1575                 return -ENOLINK;
1576
1577         link_conf = link->conf;
1578
1579         /* don't allow changing the beacon while a countdown is in place - offset
1580          * of channel switch counter may change
1581          */
1582         if (link_conf->csa_active || link_conf->color_change_active)
1583                 return -EBUSY;
1584
1585         old = sdata_dereference(link->u.ap.beacon, sdata);
1586         if (!old)
1587                 return -ENOENT;
1588
1589         err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL,
1590                                       &changed);
1591         if (err < 0)
1592                 return err;
1593
1594         err = ieee80211_set_fils_discovery(sdata, &params->fils_discovery,
1595                                            link, link_conf, &changed);
1596         if (err < 0)
1597                 return err;
1598
1599         err = ieee80211_set_unsol_bcast_probe_resp(sdata,
1600                                                    &params->unsol_bcast_probe_resp,
1601                                                    link, link_conf, &changed);
1602         if (err < 0)
1603                 return err;
1604
1605         if (beacon->he_bss_color_valid &&
1606             beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) {
1607                 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled;
1608                 changed |= BSS_CHANGED_HE_BSS_COLOR;
1609         }
1610
1611         ieee80211_link_info_change_notify(sdata, link, changed);
1612         return 0;
1613 }
1614
1615 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link)
1616 {
1617         if (!link->u.ap.next_beacon)
1618                 return;
1619
1620         kfree(link->u.ap.next_beacon->mbssid_ies);
1621         kfree(link->u.ap.next_beacon->rnr_ies);
1622         kfree(link->u.ap.next_beacon);
1623         link->u.ap.next_beacon = NULL;
1624 }
1625
1626 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1627                              unsigned int link_id)
1628 {
1629         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1630         struct ieee80211_sub_if_data *vlan;
1631         struct ieee80211_local *local = sdata->local;
1632         struct beacon_data *old_beacon;
1633         struct probe_resp *old_probe_resp;
1634         struct fils_discovery_data *old_fils_discovery;
1635         struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp;
1636         struct cfg80211_chan_def chandef;
1637         struct ieee80211_link_data *link =
1638                 sdata_dereference(sdata->link[link_id], sdata);
1639         struct ieee80211_bss_conf *link_conf = link->conf;
1640         LIST_HEAD(keys);
1641
1642         lockdep_assert_wiphy(local->hw.wiphy);
1643
1644         old_beacon = sdata_dereference(link->u.ap.beacon, sdata);
1645         if (!old_beacon)
1646                 return -ENOENT;
1647         old_probe_resp = sdata_dereference(link->u.ap.probe_resp,
1648                                            sdata);
1649         old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery,
1650                                                sdata);
1651         old_unsol_bcast_probe_resp =
1652                 sdata_dereference(link->u.ap.unsol_bcast_probe_resp,
1653                                   sdata);
1654
1655         /* abort any running channel switch or color change */
1656         link_conf->csa_active = false;
1657         link_conf->color_change_active = false;
1658         ieee80211_vif_unblock_queues_csa(sdata);
1659
1660         ieee80211_free_next_beacon(link);
1661
1662         /* turn off carrier for this interface and dependent VLANs */
1663         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1664                 netif_carrier_off(vlan->dev);
1665
1666         if (ieee80211_num_beaconing_links(sdata) <= 1) {
1667                 netif_carrier_off(dev);
1668                 sdata->u.ap.active = false;
1669         }
1670
1671         /* remove beacon and probe response */
1672         RCU_INIT_POINTER(link->u.ap.beacon, NULL);
1673         RCU_INIT_POINTER(link->u.ap.probe_resp, NULL);
1674         RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL);
1675         RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL);
1676         kfree_rcu(old_beacon, rcu_head);
1677         if (old_probe_resp)
1678                 kfree_rcu(old_probe_resp, rcu_head);
1679         if (old_fils_discovery)
1680                 kfree_rcu(old_fils_discovery, rcu_head);
1681         if (old_unsol_bcast_probe_resp)
1682                 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head);
1683
1684         kfree(link_conf->ftmr_params);
1685         link_conf->ftmr_params = NULL;
1686
1687         link_conf->bssid_index = 0;
1688         link_conf->nontransmitted = false;
1689         link_conf->ema_ap = false;
1690         link_conf->bssid_indicator = 0;
1691
1692         __sta_info_flush(sdata, true, link_id, NULL);
1693
1694         ieee80211_remove_link_keys(link, &keys);
1695         if (!list_empty(&keys)) {
1696                 synchronize_net();
1697                 ieee80211_free_key_list(local, &keys);
1698         }
1699
1700         ieee80211_stop_mbssid(sdata);
1701         RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL);
1702
1703         link_conf->enable_beacon = false;
1704         sdata->beacon_rate_set = false;
1705         sdata->vif.cfg.ssid_len = 0;
1706         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1707         ieee80211_link_info_change_notify(sdata, link,
1708                                           BSS_CHANGED_BEACON_ENABLED);
1709
1710         if (sdata->wdev.links[link_id].cac_started) {
1711                 chandef = link_conf->chanreq.oper;
1712                 wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work);
1713                 cfg80211_cac_event(sdata->dev, &chandef,
1714                                    NL80211_RADAR_CAC_ABORTED,
1715                                    GFP_KERNEL, link_id);
1716         }
1717
1718         drv_stop_ap(sdata->local, sdata, link_conf);
1719
1720         /* free all potentially still buffered bcast frames */
1721         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1722         ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1723
1724         ieee80211_link_copy_chanctx_to_vlans(link, true);
1725         ieee80211_link_release_channel(link);
1726
1727         return 0;
1728 }
1729
1730 static int sta_apply_auth_flags(struct ieee80211_local *local,
1731                                 struct sta_info *sta,
1732                                 u32 mask, u32 set)
1733 {
1734         int ret;
1735
1736         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1737             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1738             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1739                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1740                 if (ret)
1741                         return ret;
1742         }
1743
1744         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1745             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1746             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1747                 /*
1748                  * When peer becomes associated, init rate control as
1749                  * well. Some drivers require rate control initialized
1750                  * before drv_sta_state() is called.
1751                  */
1752                 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1753                         rate_control_rate_init_all_links(sta);
1754
1755                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1756                 if (ret)
1757                         return ret;
1758         }
1759
1760         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1761                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1762                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1763                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1764                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1765                 else
1766                         ret = 0;
1767                 if (ret)
1768                         return ret;
1769         }
1770
1771         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1772             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1773             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1774                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1775                 if (ret)
1776                         return ret;
1777         }
1778
1779         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1780             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1781             test_sta_flag(sta, WLAN_STA_AUTH)) {
1782                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1783                 if (ret)
1784                         return ret;
1785         }
1786
1787         return 0;
1788 }
1789
1790 static void sta_apply_mesh_params(struct ieee80211_local *local,
1791                                   struct sta_info *sta,
1792                                   struct station_parameters *params)
1793 {
1794 #ifdef CONFIG_MAC80211_MESH
1795         struct ieee80211_sub_if_data *sdata = sta->sdata;
1796         u64 changed = 0;
1797
1798         if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1799                 switch (params->plink_state) {
1800                 case NL80211_PLINK_ESTAB:
1801                         if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1802                                 changed = mesh_plink_inc_estab_count(sdata);
1803                         sta->mesh->plink_state = params->plink_state;
1804                         sta->mesh->aid = params->peer_aid;
1805
1806                         ieee80211_mps_sta_status_update(sta);
1807                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1808                                       sdata->u.mesh.mshcfg.power_mode);
1809
1810                         ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1811                         /* init at low value */
1812                         ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1813
1814                         break;
1815                 case NL80211_PLINK_LISTEN:
1816                 case NL80211_PLINK_BLOCKED:
1817                 case NL80211_PLINK_OPN_SNT:
1818                 case NL80211_PLINK_OPN_RCVD:
1819                 case NL80211_PLINK_CNF_RCVD:
1820                 case NL80211_PLINK_HOLDING:
1821                         if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1822                                 changed = mesh_plink_dec_estab_count(sdata);
1823                         sta->mesh->plink_state = params->plink_state;
1824
1825                         ieee80211_mps_sta_status_update(sta);
1826                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1827                                         NL80211_MESH_POWER_UNKNOWN);
1828                         break;
1829                 default:
1830                         /*  nothing  */
1831                         break;
1832                 }
1833         }
1834
1835         switch (params->plink_action) {
1836         case NL80211_PLINK_ACTION_NO_ACTION:
1837                 /* nothing */
1838                 break;
1839         case NL80211_PLINK_ACTION_OPEN:
1840                 changed |= mesh_plink_open(sta);
1841                 break;
1842         case NL80211_PLINK_ACTION_BLOCK:
1843                 changed |= mesh_plink_block(sta);
1844                 break;
1845         }
1846
1847         if (params->local_pm)
1848                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1849                                                           params->local_pm);
1850
1851         ieee80211_mbss_info_change_notify(sdata, changed);
1852 #endif
1853 }
1854
1855 enum sta_link_apply_mode {
1856         STA_LINK_MODE_NEW,
1857         STA_LINK_MODE_STA_MODIFY,
1858         STA_LINK_MODE_LINK_MODIFY,
1859 };
1860
1861 static int sta_link_apply_parameters(struct ieee80211_local *local,
1862                                      struct sta_info *sta,
1863                                      enum sta_link_apply_mode mode,
1864                                      struct link_station_parameters *params)
1865 {
1866         struct ieee80211_supported_band *sband;
1867         struct ieee80211_sub_if_data *sdata = sta->sdata;
1868         u32 link_id = params->link_id < 0 ? 0 : params->link_id;
1869         struct ieee80211_link_data *link =
1870                 sdata_dereference(sdata->link[link_id], sdata);
1871         struct link_sta_info *link_sta =
1872                 rcu_dereference_protected(sta->link[link_id],
1873                                           lockdep_is_held(&local->hw.wiphy->mtx));
1874         bool changes = params->link_mac ||
1875                        params->txpwr_set ||
1876                        params->supported_rates_len ||
1877                        params->ht_capa ||
1878                        params->vht_capa ||
1879                        params->he_capa ||
1880                        params->eht_capa ||
1881                        params->opmode_notif_used;
1882
1883         switch (mode) {
1884         case STA_LINK_MODE_NEW:
1885                 if (!params->link_mac)
1886                         return -EINVAL;
1887                 break;
1888         case STA_LINK_MODE_LINK_MODIFY:
1889                 break;
1890         case STA_LINK_MODE_STA_MODIFY:
1891                 if (params->link_id >= 0)
1892                         break;
1893                 if (!changes)
1894                         return 0;
1895                 break;
1896         }
1897
1898         if (!link || !link_sta)
1899                 return -EINVAL;
1900
1901         sband = ieee80211_get_link_sband(link);
1902         if (!sband)
1903                 return -EINVAL;
1904
1905         if (params->link_mac) {
1906                 if (mode == STA_LINK_MODE_NEW) {
1907                         memcpy(link_sta->addr, params->link_mac, ETH_ALEN);
1908                         memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN);
1909                 } else if (!ether_addr_equal(link_sta->addr,
1910                                              params->link_mac)) {
1911                         return -EINVAL;
1912                 }
1913         }
1914
1915         if (params->txpwr_set) {
1916                 int ret;
1917
1918                 link_sta->pub->txpwr.type = params->txpwr.type;
1919                 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1920                         link_sta->pub->txpwr.power = params->txpwr.power;
1921                 ret = drv_sta_set_txpwr(local, sdata, sta);
1922                 if (ret)
1923                         return ret;
1924         }
1925
1926         if (params->supported_rates &&
1927             params->supported_rates_len &&
1928             !ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
1929                                       sband, params->supported_rates,
1930                                       params->supported_rates_len,
1931                                       &link_sta->pub->supp_rates[sband->band]))
1932                 return -EINVAL;
1933
1934         if (params->ht_capa)
1935                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1936                                                   params->ht_capa, link_sta);
1937
1938         /* VHT can override some HT caps such as the A-MSDU max length */
1939         if (params->vht_capa)
1940                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1941                                                     params->vht_capa, NULL,
1942                                                     link_sta);
1943
1944         if (params->he_capa)
1945                 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1946                                                   (void *)params->he_capa,
1947                                                   params->he_capa_len,
1948                                                   (void *)params->he_6ghz_capa,
1949                                                   link_sta);
1950
1951         if (params->he_capa && params->eht_capa)
1952                 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband,
1953                                                     (u8 *)params->he_capa,
1954                                                     params->he_capa_len,
1955                                                     params->eht_capa,
1956                                                     params->eht_capa_len,
1957                                                     link_sta);
1958
1959         ieee80211_sta_init_nss(link_sta);
1960
1961         if (params->opmode_notif_used) {
1962                 enum nl80211_chan_width width = link->conf->chanreq.oper.width;
1963
1964                 switch (width) {
1965                 case NL80211_CHAN_WIDTH_20:
1966                 case NL80211_CHAN_WIDTH_40:
1967                 case NL80211_CHAN_WIDTH_80:
1968                 case NL80211_CHAN_WIDTH_160:
1969                 case NL80211_CHAN_WIDTH_80P80:
1970                 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */
1971                         break;
1972                 default:
1973                         return -EINVAL;
1974                 }
1975
1976                 /* returned value is only needed for rc update, but the
1977                  * rc isn't initialized here yet, so ignore it
1978                  */
1979                 __ieee80211_vht_handle_opmode(sdata, link_sta,
1980                                               params->opmode_notif,
1981                                               sband->band);
1982         }
1983
1984         return 0;
1985 }
1986
1987 static int sta_apply_parameters(struct ieee80211_local *local,
1988                                 struct sta_info *sta,
1989                                 struct station_parameters *params)
1990 {
1991         struct ieee80211_sub_if_data *sdata = sta->sdata;
1992         u32 mask, set;
1993         int ret = 0;
1994
1995         mask = params->sta_flags_mask;
1996         set = params->sta_flags_set;
1997
1998         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1999                 /*
2000                  * In mesh mode, ASSOCIATED isn't part of the nl80211
2001                  * API but must follow AUTHENTICATED for driver state.
2002                  */
2003                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2004                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2005                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
2006                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
2007         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2008                 /*
2009                  * TDLS -- everything follows authorized, but
2010                  * only becoming authorized is possible, not
2011                  * going back
2012                  */
2013                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2014                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2015                                BIT(NL80211_STA_FLAG_ASSOCIATED);
2016                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
2017                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
2018                 }
2019         }
2020
2021         if (mask & BIT(NL80211_STA_FLAG_WME) &&
2022             local->hw.queues >= IEEE80211_NUM_ACS)
2023                 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
2024
2025         /* auth flags will be set later for TDLS,
2026          * and for unassociated stations that move to associated */
2027         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2028             !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
2029               (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
2030                 ret = sta_apply_auth_flags(local, sta, mask, set);
2031                 if (ret)
2032                         return ret;
2033         }
2034
2035         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
2036                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
2037                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
2038                 else
2039                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
2040         }
2041
2042         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
2043                 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
2044                 if (set & BIT(NL80211_STA_FLAG_MFP))
2045                         set_sta_flag(sta, WLAN_STA_MFP);
2046                 else
2047                         clear_sta_flag(sta, WLAN_STA_MFP);
2048         }
2049
2050         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
2051                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2052                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
2053                 else
2054                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
2055         }
2056
2057         if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU))
2058                 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU);
2059
2060         /* mark TDLS channel switch support, if the AP allows it */
2061         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2062             !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
2063             params->ext_capab_len >= 4 &&
2064             params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
2065                 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
2066
2067         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2068             !sdata->u.mgd.tdls_wider_bw_prohibited &&
2069             ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
2070             params->ext_capab_len >= 8 &&
2071             params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
2072                 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
2073
2074         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
2075                 sta->sta.uapsd_queues = params->uapsd_queues;
2076                 sta->sta.max_sp = params->max_sp;
2077         }
2078
2079         ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab,
2080                                               params->ext_capab_len);
2081
2082         /*
2083          * cfg80211 validates this (1-2007) and allows setting the AID
2084          * only when creating a new station entry
2085          */
2086         if (params->aid)
2087                 sta->sta.aid = params->aid;
2088
2089         /*
2090          * Some of the following updates would be racy if called on an
2091          * existing station, via ieee80211_change_station(). However,
2092          * all such changes are rejected by cfg80211 except for updates
2093          * changing the supported rates on an existing but not yet used
2094          * TDLS peer.
2095          */
2096
2097         if (params->listen_interval >= 0)
2098                 sta->listen_interval = params->listen_interval;
2099
2100         if (params->eml_cap_present)
2101                 sta->sta.eml_cap = params->eml_cap;
2102
2103         ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY,
2104                                         &params->link_sta_params);
2105         if (ret)
2106                 return ret;
2107
2108         if (params->support_p2p_ps >= 0)
2109                 sta->sta.support_p2p_ps = params->support_p2p_ps;
2110
2111         if (ieee80211_vif_is_mesh(&sdata->vif))
2112                 sta_apply_mesh_params(local, sta, params);
2113
2114         if (params->airtime_weight)
2115                 sta->airtime_weight = params->airtime_weight;
2116
2117         /* set the STA state after all sta info from usermode has been set */
2118         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
2119             set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
2120                 ret = sta_apply_auth_flags(local, sta, mask, set);
2121                 if (ret)
2122                         return ret;
2123         }
2124
2125         /* Mark the STA as MLO if MLD MAC address is available */
2126         if (params->link_sta_params.mld_mac)
2127                 sta->sta.mlo = true;
2128
2129         return 0;
2130 }
2131
2132 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2133                                  const u8 *mac,
2134                                  struct station_parameters *params)
2135 {
2136         struct ieee80211_local *local = wiphy_priv(wiphy);
2137         struct sta_info *sta;
2138         struct ieee80211_sub_if_data *sdata;
2139         int err;
2140
2141         lockdep_assert_wiphy(local->hw.wiphy);
2142
2143         if (params->vlan) {
2144                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2145
2146                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
2147                     sdata->vif.type != NL80211_IFTYPE_AP)
2148                         return -EINVAL;
2149         } else
2150                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2151
2152         if (ether_addr_equal(mac, sdata->vif.addr))
2153                 return -EINVAL;
2154
2155         if (!is_valid_ether_addr(mac))
2156                 return -EINVAL;
2157
2158         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
2159             sdata->vif.type == NL80211_IFTYPE_STATION &&
2160             !sdata->u.mgd.associated)
2161                 return -EINVAL;
2162
2163         /*
2164          * If we have a link ID, it can be a non-MLO station on an AP MLD,
2165          * but we need to have a link_mac in that case as well, so use the
2166          * STA's MAC address in that case.
2167          */
2168         if (params->link_sta_params.link_id >= 0)
2169                 sta = sta_info_alloc_with_link(sdata, mac,
2170                                                params->link_sta_params.link_id,
2171                                                params->link_sta_params.link_mac ?: mac,
2172                                                GFP_KERNEL);
2173         else
2174                 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
2175
2176         if (!sta)
2177                 return -ENOMEM;
2178
2179         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
2180                 sta->sta.tdls = true;
2181
2182         /* Though the mutex is not needed here (since the station is not
2183          * visible yet), sta_apply_parameters (and inner functions) require
2184          * the mutex due to other paths.
2185          */
2186         err = sta_apply_parameters(local, sta, params);
2187         if (err) {
2188                 sta_info_free(local, sta);
2189                 return err;
2190         }
2191
2192         /*
2193          * for TDLS and for unassociated station, rate control should be
2194          * initialized only when rates are known and station is marked
2195          * authorized/associated
2196          */
2197         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
2198             test_sta_flag(sta, WLAN_STA_ASSOC))
2199                 rate_control_rate_init_all_links(sta);
2200
2201         return sta_info_insert(sta);
2202 }
2203
2204 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
2205                                  struct station_del_parameters *params)
2206 {
2207         struct ieee80211_sub_if_data *sdata;
2208
2209         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2210
2211         if (params->mac)
2212                 return sta_info_destroy_addr_bss(sdata, params->mac);
2213
2214         sta_info_flush(sdata, params->link_id);
2215         return 0;
2216 }
2217
2218 static int ieee80211_change_station(struct wiphy *wiphy,
2219                                     struct net_device *dev, const u8 *mac,
2220                                     struct station_parameters *params)
2221 {
2222         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2223         struct ieee80211_local *local = wiphy_priv(wiphy);
2224         struct sta_info *sta;
2225         struct ieee80211_sub_if_data *vlansdata;
2226         enum cfg80211_station_type statype;
2227         int err;
2228
2229         lockdep_assert_wiphy(local->hw.wiphy);
2230
2231         sta = sta_info_get_bss(sdata, mac);
2232         if (!sta)
2233                 return -ENOENT;
2234
2235         switch (sdata->vif.type) {
2236         case NL80211_IFTYPE_MESH_POINT:
2237                 if (sdata->u.mesh.user_mpm)
2238                         statype = CFG80211_STA_MESH_PEER_USER;
2239                 else
2240                         statype = CFG80211_STA_MESH_PEER_KERNEL;
2241                 break;
2242         case NL80211_IFTYPE_ADHOC:
2243                 statype = CFG80211_STA_IBSS;
2244                 break;
2245         case NL80211_IFTYPE_STATION:
2246                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
2247                         statype = CFG80211_STA_AP_STA;
2248                         break;
2249                 }
2250                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2251                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
2252                 else
2253                         statype = CFG80211_STA_TDLS_PEER_SETUP;
2254                 break;
2255         case NL80211_IFTYPE_AP:
2256         case NL80211_IFTYPE_AP_VLAN:
2257                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
2258                         statype = CFG80211_STA_AP_CLIENT;
2259                 else
2260                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
2261                 break;
2262         default:
2263                 return -EOPNOTSUPP;
2264         }
2265
2266         err = cfg80211_check_station_change(wiphy, params, statype);
2267         if (err)
2268                 return err;
2269
2270         if (params->vlan && params->vlan != sta->sdata->dev) {
2271                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
2272
2273                 if (params->vlan->ieee80211_ptr->use_4addr) {
2274                         if (vlansdata->u.vlan.sta)
2275                                 return -EBUSY;
2276
2277                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
2278                         __ieee80211_check_fast_rx_iface(vlansdata);
2279                         drv_sta_set_4addr(local, sta->sdata, &sta->sta, true);
2280                 }
2281
2282                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
2283                     sta->sdata->u.vlan.sta)
2284                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
2285
2286                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2287                         ieee80211_vif_dec_num_mcast(sta->sdata);
2288
2289                 sta->sdata = vlansdata;
2290                 ieee80211_check_fast_rx(sta);
2291                 ieee80211_check_fast_xmit(sta);
2292
2293                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
2294                         ieee80211_vif_inc_num_mcast(sta->sdata);
2295                         cfg80211_send_layer2_update(sta->sdata->dev,
2296                                                     sta->sta.addr);
2297                 }
2298         }
2299
2300         err = sta_apply_parameters(local, sta, params);
2301         if (err)
2302                 return err;
2303
2304         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
2305             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
2306                 ieee80211_recalc_ps(local);
2307                 ieee80211_recalc_ps_vif(sdata);
2308         }
2309
2310         return 0;
2311 }
2312
2313 #ifdef CONFIG_MAC80211_MESH
2314 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
2315                                const u8 *dst, const u8 *next_hop)
2316 {
2317         struct ieee80211_sub_if_data *sdata;
2318         struct mesh_path *mpath;
2319         struct sta_info *sta;
2320
2321         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2322
2323         rcu_read_lock();
2324         sta = sta_info_get(sdata, next_hop);
2325         if (!sta) {
2326                 rcu_read_unlock();
2327                 return -ENOENT;
2328         }
2329
2330         mpath = mesh_path_add(sdata, dst);
2331         if (IS_ERR(mpath)) {
2332                 rcu_read_unlock();
2333                 return PTR_ERR(mpath);
2334         }
2335
2336         mesh_path_fix_nexthop(mpath, sta);
2337
2338         rcu_read_unlock();
2339         return 0;
2340 }
2341
2342 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
2343                                const u8 *dst)
2344 {
2345         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346
2347         if (dst)
2348                 return mesh_path_del(sdata, dst);
2349
2350         mesh_path_flush_by_iface(sdata);
2351         return 0;
2352 }
2353
2354 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
2355                                   const u8 *dst, const u8 *next_hop)
2356 {
2357         struct ieee80211_sub_if_data *sdata;
2358         struct mesh_path *mpath;
2359         struct sta_info *sta;
2360
2361         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2362
2363         rcu_read_lock();
2364
2365         sta = sta_info_get(sdata, next_hop);
2366         if (!sta) {
2367                 rcu_read_unlock();
2368                 return -ENOENT;
2369         }
2370
2371         mpath = mesh_path_lookup(sdata, dst);
2372         if (!mpath) {
2373                 rcu_read_unlock();
2374                 return -ENOENT;
2375         }
2376
2377         mesh_path_fix_nexthop(mpath, sta);
2378
2379         rcu_read_unlock();
2380         return 0;
2381 }
2382
2383 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
2384                             struct mpath_info *pinfo)
2385 {
2386         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
2387
2388         if (next_hop_sta)
2389                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
2390         else
2391                 eth_zero_addr(next_hop);
2392
2393         memset(pinfo, 0, sizeof(*pinfo));
2394
2395         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
2396
2397         pinfo->filled = MPATH_INFO_FRAME_QLEN |
2398                         MPATH_INFO_SN |
2399                         MPATH_INFO_METRIC |
2400                         MPATH_INFO_EXPTIME |
2401                         MPATH_INFO_DISCOVERY_TIMEOUT |
2402                         MPATH_INFO_DISCOVERY_RETRIES |
2403                         MPATH_INFO_FLAGS |
2404                         MPATH_INFO_HOP_COUNT |
2405                         MPATH_INFO_PATH_CHANGE;
2406
2407         pinfo->frame_qlen = mpath->frame_queue.qlen;
2408         pinfo->sn = mpath->sn;
2409         pinfo->metric = mpath->metric;
2410         if (time_before(jiffies, mpath->exp_time))
2411                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
2412         pinfo->discovery_timeout =
2413                         jiffies_to_msecs(mpath->discovery_timeout);
2414         pinfo->discovery_retries = mpath->discovery_retries;
2415         if (mpath->flags & MESH_PATH_ACTIVE)
2416                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
2417         if (mpath->flags & MESH_PATH_RESOLVING)
2418                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
2419         if (mpath->flags & MESH_PATH_SN_VALID)
2420                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
2421         if (mpath->flags & MESH_PATH_FIXED)
2422                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
2423         if (mpath->flags & MESH_PATH_RESOLVED)
2424                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
2425         pinfo->hop_count = mpath->hop_count;
2426         pinfo->path_change_count = mpath->path_change_count;
2427 }
2428
2429 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
2430                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
2431
2432 {
2433         struct ieee80211_sub_if_data *sdata;
2434         struct mesh_path *mpath;
2435
2436         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2437
2438         rcu_read_lock();
2439         mpath = mesh_path_lookup(sdata, dst);
2440         if (!mpath) {
2441                 rcu_read_unlock();
2442                 return -ENOENT;
2443         }
2444         memcpy(dst, mpath->dst, ETH_ALEN);
2445         mpath_set_pinfo(mpath, next_hop, pinfo);
2446         rcu_read_unlock();
2447         return 0;
2448 }
2449
2450 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
2451                                 int idx, u8 *dst, u8 *next_hop,
2452                                 struct mpath_info *pinfo)
2453 {
2454         struct ieee80211_sub_if_data *sdata;
2455         struct mesh_path *mpath;
2456
2457         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2458
2459         rcu_read_lock();
2460         mpath = mesh_path_lookup_by_idx(sdata, idx);
2461         if (!mpath) {
2462                 rcu_read_unlock();
2463                 return -ENOENT;
2464         }
2465         memcpy(dst, mpath->dst, ETH_ALEN);
2466         mpath_set_pinfo(mpath, next_hop, pinfo);
2467         rcu_read_unlock();
2468         return 0;
2469 }
2470
2471 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
2472                           struct mpath_info *pinfo)
2473 {
2474         memset(pinfo, 0, sizeof(*pinfo));
2475         memcpy(mpp, mpath->mpp, ETH_ALEN);
2476
2477         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
2478 }
2479
2480 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
2481                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
2482
2483 {
2484         struct ieee80211_sub_if_data *sdata;
2485         struct mesh_path *mpath;
2486
2487         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2488
2489         rcu_read_lock();
2490         mpath = mpp_path_lookup(sdata, dst);
2491         if (!mpath) {
2492                 rcu_read_unlock();
2493                 return -ENOENT;
2494         }
2495         memcpy(dst, mpath->dst, ETH_ALEN);
2496         mpp_set_pinfo(mpath, mpp, pinfo);
2497         rcu_read_unlock();
2498         return 0;
2499 }
2500
2501 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
2502                               int idx, u8 *dst, u8 *mpp,
2503                               struct mpath_info *pinfo)
2504 {
2505         struct ieee80211_sub_if_data *sdata;
2506         struct mesh_path *mpath;
2507
2508         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2509
2510         rcu_read_lock();
2511         mpath = mpp_path_lookup_by_idx(sdata, idx);
2512         if (!mpath) {
2513                 rcu_read_unlock();
2514                 return -ENOENT;
2515         }
2516         memcpy(dst, mpath->dst, ETH_ALEN);
2517         mpp_set_pinfo(mpath, mpp, pinfo);
2518         rcu_read_unlock();
2519         return 0;
2520 }
2521
2522 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
2523                                 struct net_device *dev,
2524                                 struct mesh_config *conf)
2525 {
2526         struct ieee80211_sub_if_data *sdata;
2527         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2528
2529         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
2530         return 0;
2531 }
2532
2533 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
2534 {
2535         return (mask >> (parm-1)) & 0x1;
2536 }
2537
2538 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
2539                 const struct mesh_setup *setup)
2540 {
2541         u8 *new_ie;
2542         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
2543                                         struct ieee80211_sub_if_data, u.mesh);
2544         int i;
2545
2546         /* allocate information elements */
2547         new_ie = NULL;
2548
2549         if (setup->ie_len) {
2550                 new_ie = kmemdup(setup->ie, setup->ie_len,
2551                                 GFP_KERNEL);
2552                 if (!new_ie)
2553                         return -ENOMEM;
2554         }
2555         ifmsh->ie_len = setup->ie_len;
2556         ifmsh->ie = new_ie;
2557
2558         /* now copy the rest of the setup parameters */
2559         ifmsh->mesh_id_len = setup->mesh_id_len;
2560         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
2561         ifmsh->mesh_sp_id = setup->sync_method;
2562         ifmsh->mesh_pp_id = setup->path_sel_proto;
2563         ifmsh->mesh_pm_id = setup->path_metric;
2564         ifmsh->user_mpm = setup->user_mpm;
2565         ifmsh->mesh_auth_id = setup->auth_id;
2566         ifmsh->security = IEEE80211_MESH_SEC_NONE;
2567         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
2568         if (setup->is_authenticated)
2569                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
2570         if (setup->is_secure)
2571                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
2572
2573         /* mcast rate setting in Mesh Node */
2574         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
2575                                                 sizeof(setup->mcast_rate));
2576         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2577
2578         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2579         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2580
2581         sdata->beacon_rate_set = false;
2582         if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2583                                     NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2584                 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2585                         sdata->beacon_rateidx_mask[i] =
2586                                 setup->beacon_rate.control[i].legacy;
2587                         if (sdata->beacon_rateidx_mask[i])
2588                                 sdata->beacon_rate_set = true;
2589                 }
2590         }
2591
2592         return 0;
2593 }
2594
2595 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2596                                         struct net_device *dev, u32 mask,
2597                                         const struct mesh_config *nconf)
2598 {
2599         struct mesh_config *conf;
2600         struct ieee80211_sub_if_data *sdata;
2601         struct ieee80211_if_mesh *ifmsh;
2602
2603         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2604         ifmsh = &sdata->u.mesh;
2605
2606         /* Set the config options which we are interested in setting */
2607         conf = &(sdata->u.mesh.mshcfg);
2608         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2609                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2610         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2611                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2612         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2613                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2614         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2615                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2616         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2617                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2618         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2619                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2620         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2621                 conf->element_ttl = nconf->element_ttl;
2622         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2623                 if (ifmsh->user_mpm)
2624                         return -EBUSY;
2625                 conf->auto_open_plinks = nconf->auto_open_plinks;
2626         }
2627         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2628                 conf->dot11MeshNbrOffsetMaxNeighbor =
2629                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2630         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2631                 conf->dot11MeshHWMPmaxPREQretries =
2632                         nconf->dot11MeshHWMPmaxPREQretries;
2633         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2634                 conf->path_refresh_time = nconf->path_refresh_time;
2635         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2636                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2637         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2638                 conf->dot11MeshHWMPactivePathTimeout =
2639                         nconf->dot11MeshHWMPactivePathTimeout;
2640         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2641                 conf->dot11MeshHWMPpreqMinInterval =
2642                         nconf->dot11MeshHWMPpreqMinInterval;
2643         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2644                 conf->dot11MeshHWMPperrMinInterval =
2645                         nconf->dot11MeshHWMPperrMinInterval;
2646         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2647                            mask))
2648                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2649                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2650         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2651                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2652                 ieee80211_mesh_root_setup(ifmsh);
2653         }
2654         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2655                 /* our current gate announcement implementation rides on root
2656                  * announcements, so require this ifmsh to also be a root node
2657                  * */
2658                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2659                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2660                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2661                         ieee80211_mesh_root_setup(ifmsh);
2662                 }
2663                 conf->dot11MeshGateAnnouncementProtocol =
2664                         nconf->dot11MeshGateAnnouncementProtocol;
2665         }
2666         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2667                 conf->dot11MeshHWMPRannInterval =
2668                         nconf->dot11MeshHWMPRannInterval;
2669         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2670                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2671         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2672                 /* our RSSI threshold implementation is supported only for
2673                  * devices that report signal in dBm.
2674                  */
2675                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2676                         return -EOPNOTSUPP;
2677                 conf->rssi_threshold = nconf->rssi_threshold;
2678         }
2679         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2680                 conf->ht_opmode = nconf->ht_opmode;
2681                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2682                 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
2683                                                   BSS_CHANGED_HT);
2684         }
2685         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2686                 conf->dot11MeshHWMPactivePathToRootTimeout =
2687                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2688         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2689                 conf->dot11MeshHWMProotInterval =
2690                         nconf->dot11MeshHWMProotInterval;
2691         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2692                 conf->dot11MeshHWMPconfirmationInterval =
2693                         nconf->dot11MeshHWMPconfirmationInterval;
2694         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2695                 conf->power_mode = nconf->power_mode;
2696                 ieee80211_mps_local_status_update(sdata);
2697         }
2698         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2699                 conf->dot11MeshAwakeWindowDuration =
2700                         nconf->dot11MeshAwakeWindowDuration;
2701         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2702                 conf->plink_timeout = nconf->plink_timeout;
2703         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2704                 conf->dot11MeshConnectedToMeshGate =
2705                         nconf->dot11MeshConnectedToMeshGate;
2706         if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask))
2707                 conf->dot11MeshNolearn = nconf->dot11MeshNolearn;
2708         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask))
2709                 conf->dot11MeshConnectedToAuthServer =
2710                         nconf->dot11MeshConnectedToAuthServer;
2711         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2712         return 0;
2713 }
2714
2715 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2716                                const struct mesh_config *conf,
2717                                const struct mesh_setup *setup)
2718 {
2719         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2720         struct ieee80211_chan_req chanreq = { .oper = setup->chandef };
2721         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2722         int err;
2723
2724         lockdep_assert_wiphy(sdata->local->hw.wiphy);
2725
2726         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2727         err = copy_mesh_setup(ifmsh, setup);
2728         if (err)
2729                 return err;
2730
2731         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2732
2733         /* can mesh use other SMPS modes? */
2734         sdata->deflink.smps_mode = IEEE80211_SMPS_OFF;
2735         sdata->deflink.needed_rx_chains = sdata->local->rx_chains;
2736
2737         err = ieee80211_link_use_channel(&sdata->deflink, &chanreq,
2738                                          IEEE80211_CHANCTX_SHARED);
2739         if (err)
2740                 return err;
2741
2742         return ieee80211_start_mesh(sdata);
2743 }
2744
2745 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2746 {
2747         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2748
2749         lockdep_assert_wiphy(sdata->local->hw.wiphy);
2750
2751         ieee80211_stop_mesh(sdata);
2752         ieee80211_link_release_channel(&sdata->deflink);
2753         kfree(sdata->u.mesh.ie);
2754
2755         return 0;
2756 }
2757 #endif
2758
2759 static int ieee80211_change_bss(struct wiphy *wiphy,
2760                                 struct net_device *dev,
2761                                 struct bss_parameters *params)
2762 {
2763         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2764         struct ieee80211_link_data *link;
2765         struct ieee80211_supported_band *sband;
2766         u64 changed = 0;
2767
2768         link = ieee80211_link_or_deflink(sdata, params->link_id, true);
2769         if (IS_ERR(link))
2770                 return PTR_ERR(link);
2771
2772         if (!sdata_dereference(link->u.ap.beacon, sdata))
2773                 return -ENOENT;
2774
2775         sband = ieee80211_get_link_sband(link);
2776         if (!sband)
2777                 return -EINVAL;
2778
2779         if (params->basic_rates) {
2780                 if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width,
2781                                               wiphy->bands[sband->band],
2782                                               params->basic_rates,
2783                                               params->basic_rates_len,
2784                                               &link->conf->basic_rates))
2785                         return -EINVAL;
2786                 changed |= BSS_CHANGED_BASIC_RATES;
2787                 ieee80211_check_rate_mask(link);
2788         }
2789
2790         if (params->use_cts_prot >= 0) {
2791                 link->conf->use_cts_prot = params->use_cts_prot;
2792                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2793         }
2794         if (params->use_short_preamble >= 0) {
2795                 link->conf->use_short_preamble = params->use_short_preamble;
2796                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2797         }
2798
2799         if (!link->conf->use_short_slot &&
2800             (sband->band == NL80211_BAND_5GHZ ||
2801              sband->band == NL80211_BAND_6GHZ)) {
2802                 link->conf->use_short_slot = true;
2803                 changed |= BSS_CHANGED_ERP_SLOT;
2804         }
2805
2806         if (params->use_short_slot_time >= 0) {
2807                 link->conf->use_short_slot = params->use_short_slot_time;
2808                 changed |= BSS_CHANGED_ERP_SLOT;
2809         }
2810
2811         if (params->ap_isolate >= 0) {
2812                 if (params->ap_isolate)
2813                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2814                 else
2815                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2816                 ieee80211_check_fast_rx_iface(sdata);
2817         }
2818
2819         if (params->ht_opmode >= 0) {
2820                 link->conf->ht_operation_mode = (u16)params->ht_opmode;
2821                 changed |= BSS_CHANGED_HT;
2822         }
2823
2824         if (params->p2p_ctwindow >= 0) {
2825                 link->conf->p2p_noa_attr.oppps_ctwindow &=
2826                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2827                 link->conf->p2p_noa_attr.oppps_ctwindow |=
2828                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2829                 changed |= BSS_CHANGED_P2P_PS;
2830         }
2831
2832         if (params->p2p_opp_ps > 0) {
2833                 link->conf->p2p_noa_attr.oppps_ctwindow |=
2834                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2835                 changed |= BSS_CHANGED_P2P_PS;
2836         } else if (params->p2p_opp_ps == 0) {
2837                 link->conf->p2p_noa_attr.oppps_ctwindow &=
2838                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2839                 changed |= BSS_CHANGED_P2P_PS;
2840         }
2841
2842         ieee80211_link_info_change_notify(sdata, link, changed);
2843
2844         return 0;
2845 }
2846
2847 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2848                                     struct net_device *dev,
2849                                     struct ieee80211_txq_params *params)
2850 {
2851         struct ieee80211_local *local = wiphy_priv(wiphy);
2852         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2853         struct ieee80211_link_data *link =
2854                 ieee80211_link_or_deflink(sdata, params->link_id, true);
2855         struct ieee80211_tx_queue_params p;
2856
2857         if (!local->ops->conf_tx)
2858                 return -EOPNOTSUPP;
2859
2860         if (local->hw.queues < IEEE80211_NUM_ACS)
2861                 return -EOPNOTSUPP;
2862
2863         if (IS_ERR(link))
2864                 return PTR_ERR(link);
2865
2866         memset(&p, 0, sizeof(p));
2867         p.aifs = params->aifs;
2868         p.cw_max = params->cwmax;
2869         p.cw_min = params->cwmin;
2870         p.txop = params->txop;
2871
2872         /*
2873          * Setting tx queue params disables u-apsd because it's only
2874          * called in master mode.
2875          */
2876         p.uapsd = false;
2877
2878         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2879
2880         link->tx_conf[params->ac] = p;
2881         if (drv_conf_tx(local, link, params->ac, &p)) {
2882                 wiphy_debug(local->hw.wiphy,
2883                             "failed to set TX queue parameters for AC %d\n",
2884                             params->ac);
2885                 return -EINVAL;
2886         }
2887
2888         ieee80211_link_info_change_notify(sdata, link,
2889                                           BSS_CHANGED_QOS);
2890
2891         return 0;
2892 }
2893
2894 #ifdef CONFIG_PM
2895 static int ieee80211_suspend(struct wiphy *wiphy,
2896                              struct cfg80211_wowlan *wowlan)
2897 {
2898         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2899 }
2900
2901 static int ieee80211_resume(struct wiphy *wiphy)
2902 {
2903         return __ieee80211_resume(wiphy_priv(wiphy));
2904 }
2905 #else
2906 #define ieee80211_suspend NULL
2907 #define ieee80211_resume NULL
2908 #endif
2909
2910 static int ieee80211_scan(struct wiphy *wiphy,
2911                           struct cfg80211_scan_request *req)
2912 {
2913         struct ieee80211_sub_if_data *sdata;
2914
2915         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2916
2917         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2918         case NL80211_IFTYPE_STATION:
2919         case NL80211_IFTYPE_ADHOC:
2920         case NL80211_IFTYPE_MESH_POINT:
2921         case NL80211_IFTYPE_P2P_CLIENT:
2922         case NL80211_IFTYPE_P2P_DEVICE:
2923                 break;
2924         case NL80211_IFTYPE_P2P_GO:
2925                 if (sdata->local->ops->hw_scan)
2926                         break;
2927                 /*
2928                  * FIXME: implement NoA while scanning in software,
2929                  * for now fall through to allow scanning only when
2930                  * beaconing hasn't been configured yet
2931                  */
2932                 fallthrough;
2933         case NL80211_IFTYPE_AP:
2934                 /*
2935                  * If the scan has been forced (and the driver supports
2936                  * forcing), don't care about being beaconing already.
2937                  * This will create problems to the attached stations (e.g. all
2938                  * the frames sent while scanning on other channel will be
2939                  * lost)
2940                  */
2941                 if (ieee80211_num_beaconing_links(sdata) &&
2942                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2943                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2944                         return -EOPNOTSUPP;
2945                 break;
2946         case NL80211_IFTYPE_NAN:
2947         default:
2948                 return -EOPNOTSUPP;
2949         }
2950
2951         return ieee80211_request_scan(sdata, req);
2952 }
2953
2954 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2955 {
2956         ieee80211_scan_cancel(wiphy_priv(wiphy));
2957 }
2958
2959 static int
2960 ieee80211_sched_scan_start(struct wiphy *wiphy,
2961                            struct net_device *dev,
2962                            struct cfg80211_sched_scan_request *req)
2963 {
2964         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2965
2966         if (!sdata->local->ops->sched_scan_start)
2967                 return -EOPNOTSUPP;
2968
2969         return ieee80211_request_sched_scan_start(sdata, req);
2970 }
2971
2972 static int
2973 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2974                           u64 reqid)
2975 {
2976         struct ieee80211_local *local = wiphy_priv(wiphy);
2977
2978         if (!local->ops->sched_scan_stop)
2979                 return -EOPNOTSUPP;
2980
2981         return ieee80211_request_sched_scan_stop(local);
2982 }
2983
2984 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2985                           struct cfg80211_auth_request *req)
2986 {
2987         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2988 }
2989
2990 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2991                            struct cfg80211_assoc_request *req)
2992 {
2993         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2994 }
2995
2996 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2997                             struct cfg80211_deauth_request *req)
2998 {
2999         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
3000 }
3001
3002 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
3003                               struct cfg80211_disassoc_request *req)
3004 {
3005         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
3006 }
3007
3008 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
3009                                struct cfg80211_ibss_params *params)
3010 {
3011         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
3012 }
3013
3014 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
3015 {
3016         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
3017 }
3018
3019 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
3020                               struct ocb_setup *setup)
3021 {
3022         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
3023 }
3024
3025 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
3026 {
3027         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
3028 }
3029
3030 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
3031                                     int rate[NUM_NL80211_BANDS])
3032 {
3033         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3034
3035         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
3036                sizeof(int) * NUM_NL80211_BANDS);
3037
3038         if (ieee80211_sdata_running(sdata))
3039                 ieee80211_link_info_change_notify(sdata, &sdata->deflink,
3040                                                   BSS_CHANGED_MCAST_RATE);
3041
3042         return 0;
3043 }
3044
3045 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
3046 {
3047         struct ieee80211_local *local = wiphy_priv(wiphy);
3048         int err;
3049
3050         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
3051                 ieee80211_check_fast_xmit_all(local);
3052
3053                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
3054
3055                 if (err) {
3056                         ieee80211_check_fast_xmit_all(local);
3057                         return err;
3058                 }
3059         }
3060
3061         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
3062             (changed & WIPHY_PARAM_DYN_ACK)) {
3063                 s16 coverage_class;
3064
3065                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
3066                                         wiphy->coverage_class : -1;
3067                 err = drv_set_coverage_class(local, coverage_class);
3068
3069                 if (err)
3070                         return err;
3071         }
3072
3073         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
3074                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
3075
3076                 if (err)
3077                         return err;
3078         }
3079
3080         if (changed & WIPHY_PARAM_RETRY_SHORT) {
3081                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
3082                         return -EINVAL;
3083                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
3084         }
3085         if (changed & WIPHY_PARAM_RETRY_LONG) {
3086                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
3087                         return -EINVAL;
3088                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
3089         }
3090         if (changed &
3091             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
3092                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
3093
3094         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
3095                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
3096                        WIPHY_PARAM_TXQ_QUANTUM))
3097                 ieee80211_txq_set_params(local);
3098
3099         return 0;
3100 }
3101
3102 static int ieee80211_set_tx_power(struct wiphy *wiphy,
3103                                   struct wireless_dev *wdev,
3104                                   enum nl80211_tx_power_setting type, int mbm)
3105 {
3106         struct ieee80211_local *local = wiphy_priv(wiphy);
3107         struct ieee80211_sub_if_data *sdata;
3108         enum nl80211_tx_power_setting txp_type = type;
3109         bool update_txp_type = false;
3110         bool has_monitor = false;
3111         int user_power_level;
3112         int old_power = local->user_power_level;
3113
3114         lockdep_assert_wiphy(local->hw.wiphy);
3115
3116         switch (type) {
3117         case NL80211_TX_POWER_AUTOMATIC:
3118                 user_power_level = IEEE80211_UNSET_POWER_LEVEL;
3119                 txp_type = NL80211_TX_POWER_LIMITED;
3120                 break;
3121         case NL80211_TX_POWER_LIMITED:
3122         case NL80211_TX_POWER_FIXED:
3123                 if (mbm < 0 || (mbm % 100))
3124                         return -EOPNOTSUPP;
3125                 user_power_level = MBM_TO_DBM(mbm);
3126                 break;
3127         default:
3128                 return -EINVAL;
3129         }
3130
3131         if (wdev) {
3132                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3133
3134                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3135                     !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3136                         if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF))
3137                                 return -EOPNOTSUPP;
3138
3139                         sdata = wiphy_dereference(local->hw.wiphy,
3140                                                   local->monitor_sdata);
3141                         if (!sdata)
3142                                 return -EOPNOTSUPP;
3143                 }
3144
3145                 for (int link_id = 0;
3146                      link_id < ARRAY_SIZE(sdata->link);
3147                      link_id++) {
3148                         struct ieee80211_link_data *link =
3149                                 wiphy_dereference(wiphy, sdata->link[link_id]);
3150
3151                         if (!link)
3152                                 continue;
3153
3154                         link->user_power_level = user_power_level;
3155
3156                         if (txp_type != link->conf->txpower_type) {
3157                                 update_txp_type = true;
3158                                 link->conf->txpower_type = txp_type;
3159                         }
3160
3161                         ieee80211_recalc_txpower(link, update_txp_type);
3162                 }
3163                 return 0;
3164         }
3165
3166         local->user_power_level = user_power_level;
3167
3168         list_for_each_entry(sdata, &local->interfaces, list) {
3169                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3170                     !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) {
3171                         has_monitor = true;
3172                         continue;
3173                 }
3174
3175                 for (int link_id = 0;
3176                      link_id < ARRAY_SIZE(sdata->link);
3177                      link_id++) {
3178                         struct ieee80211_link_data *link =
3179                                 wiphy_dereference(wiphy, sdata->link[link_id]);
3180
3181                         if (!link)
3182                                 continue;
3183
3184                         link->user_power_level = local->user_power_level;
3185                         if (txp_type != link->conf->txpower_type)
3186                                 update_txp_type = true;
3187                         link->conf->txpower_type = txp_type;
3188                 }
3189         }
3190         list_for_each_entry(sdata, &local->interfaces, list) {
3191                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR &&
3192                     !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))
3193                         continue;
3194
3195                 for (int link_id = 0;
3196                      link_id < ARRAY_SIZE(sdata->link);
3197                      link_id++) {
3198                         struct ieee80211_link_data *link =
3199                                 wiphy_dereference(wiphy, sdata->link[link_id]);
3200
3201                         if (!link)
3202                                 continue;
3203
3204                         ieee80211_recalc_txpower(link, update_txp_type);
3205                 }
3206         }
3207
3208         if (has_monitor) {
3209                 sdata = wiphy_dereference(local->hw.wiphy,
3210                                           local->monitor_sdata);
3211                 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) {
3212                         sdata->deflink.user_power_level = local->user_power_level;
3213                         if (txp_type != sdata->vif.bss_conf.txpower_type)
3214                                 update_txp_type = true;
3215                         sdata->vif.bss_conf.txpower_type = txp_type;
3216
3217                         ieee80211_recalc_txpower(&sdata->deflink,
3218                                                  update_txp_type);
3219                 }
3220         }
3221
3222         if (local->emulate_chanctx &&
3223             (old_power != local->user_power_level))
3224                 ieee80211_hw_conf_chan(local);
3225
3226         return 0;
3227 }
3228
3229 static int ieee80211_get_tx_power(struct wiphy *wiphy,
3230                                   struct wireless_dev *wdev,
3231                                   unsigned int link_id,
3232                                   int *dbm)
3233 {
3234         struct ieee80211_local *local = wiphy_priv(wiphy);
3235         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3236         struct ieee80211_link_data *link_data;
3237
3238         if (local->ops->get_txpower &&
3239             (sdata->flags & IEEE80211_SDATA_IN_DRIVER))
3240                 return drv_get_txpower(local, sdata, link_id, dbm);
3241
3242         if (local->emulate_chanctx) {
3243                 *dbm = local->hw.conf.power_level;
3244         } else {
3245                 link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
3246
3247                 if (link_data)
3248                         *dbm = link_data->conf->txpower;
3249                 else
3250                         return -ENOLINK;
3251         }
3252
3253         /* INT_MIN indicates no power level was set yet */
3254         if (*dbm == INT_MIN)
3255                 return -EINVAL;
3256
3257         return 0;
3258 }
3259
3260 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
3261 {
3262         struct ieee80211_local *local = wiphy_priv(wiphy);
3263
3264         drv_rfkill_poll(local);
3265 }
3266
3267 #ifdef CONFIG_NL80211_TESTMODE
3268 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
3269                                   struct wireless_dev *wdev,
3270                                   void *data, int len)
3271 {
3272         struct ieee80211_local *local = wiphy_priv(wiphy);
3273         struct ieee80211_vif *vif = NULL;
3274
3275         if (!local->ops->testmode_cmd)
3276                 return -EOPNOTSUPP;
3277
3278         if (wdev) {
3279                 struct ieee80211_sub_if_data *sdata;
3280
3281                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3282                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
3283                         vif = &sdata->vif;
3284         }
3285
3286         return local->ops->testmode_cmd(&local->hw, vif, data, len);
3287 }
3288
3289 static int ieee80211_testmode_dump(struct wiphy *wiphy,
3290                                    struct sk_buff *skb,
3291                                    struct netlink_callback *cb,
3292                                    void *data, int len)
3293 {
3294         struct ieee80211_local *local = wiphy_priv(wiphy);
3295
3296         if (!local->ops->testmode_dump)
3297                 return -EOPNOTSUPP;
3298
3299         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
3300 }
3301 #endif
3302
3303 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
3304                                  struct ieee80211_link_data *link,
3305                                  enum ieee80211_smps_mode smps_mode)
3306 {
3307         const u8 *ap;
3308         enum ieee80211_smps_mode old_req;
3309         int err;
3310         struct sta_info *sta;
3311         bool tdls_peer_found = false;
3312
3313         lockdep_assert_wiphy(sdata->local->hw.wiphy);
3314
3315         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
3316                 return -EINVAL;
3317
3318         if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
3319                 return 0;
3320
3321         old_req = link->u.mgd.req_smps;
3322         link->u.mgd.req_smps = smps_mode;
3323
3324         /* The driver indicated that EML is enabled for the interface, which
3325          * implies that SMPS flows towards the AP should be stopped.
3326          */
3327         if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE)
3328                 return 0;
3329
3330         if (old_req == smps_mode &&
3331             smps_mode != IEEE80211_SMPS_AUTOMATIC)
3332                 return 0;
3333
3334         /*
3335          * If not associated, or current association is not an HT
3336          * association, there's no need to do anything, just store
3337          * the new value until we associate.
3338          */
3339         if (!sdata->u.mgd.associated ||
3340             link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT)
3341                 return 0;
3342
3343         ap = sdata->vif.cfg.ap_addr;
3344
3345         rcu_read_lock();
3346         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
3347                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
3348                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
3349                         continue;
3350
3351                 tdls_peer_found = true;
3352                 break;
3353         }
3354         rcu_read_unlock();
3355
3356         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
3357                 if (tdls_peer_found || !sdata->u.mgd.powersave)
3358                         smps_mode = IEEE80211_SMPS_OFF;
3359                 else
3360                         smps_mode = IEEE80211_SMPS_DYNAMIC;
3361         }
3362
3363         /* send SM PS frame to AP */
3364         err = ieee80211_send_smps_action(sdata, smps_mode,
3365                                          ap, ap,
3366                                          ieee80211_vif_is_mld(&sdata->vif) ?
3367                                          link->link_id : -1);
3368         if (err)
3369                 link->u.mgd.req_smps = old_req;
3370         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
3371                 ieee80211_teardown_tdls_peers(link);
3372
3373         return err;
3374 }
3375
3376 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
3377                                     bool enabled, int timeout)
3378 {
3379         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3380         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3381         unsigned int link_id;
3382
3383         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3384                 return -EOPNOTSUPP;
3385
3386         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
3387                 return -EOPNOTSUPP;
3388
3389         if (enabled == sdata->u.mgd.powersave &&
3390             timeout == local->dynamic_ps_forced_timeout)
3391                 return 0;
3392
3393         sdata->u.mgd.powersave = enabled;
3394         local->dynamic_ps_forced_timeout = timeout;
3395
3396         /* no change, but if automatic follow powersave */
3397         for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {
3398                 struct ieee80211_link_data *link;
3399
3400                 link = sdata_dereference(sdata->link[link_id], sdata);
3401
3402                 if (!link)
3403                         continue;
3404                 __ieee80211_request_smps_mgd(sdata, link,
3405                                              link->u.mgd.req_smps);
3406         }
3407
3408         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
3409                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
3410
3411         ieee80211_recalc_ps(local);
3412         ieee80211_recalc_ps_vif(sdata);
3413         ieee80211_check_fast_rx_iface(sdata);
3414
3415         return 0;
3416 }
3417
3418 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata,
3419                                         struct ieee80211_link_data *link,
3420                                         s32 rssi_thold, u32 rssi_hyst,
3421                                         s32 rssi_low, s32 rssi_high)
3422 {
3423         struct ieee80211_bss_conf *conf;
3424
3425         if (!link || !link->conf)
3426                 return;
3427
3428         conf = link->conf;
3429
3430         if (rssi_thold && rssi_hyst &&
3431             rssi_thold == conf->cqm_rssi_thold &&
3432             rssi_hyst == conf->cqm_rssi_hyst)
3433                 return;
3434
3435         conf->cqm_rssi_thold = rssi_thold;
3436         conf->cqm_rssi_hyst = rssi_hyst;
3437         conf->cqm_rssi_low = rssi_low;
3438         conf->cqm_rssi_high = rssi_high;
3439         link->u.mgd.last_cqm_event_signal = 0;
3440
3441         if (!ieee80211_vif_link_active(&sdata->vif, link->link_id))
3442                 return;
3443
3444         if (sdata->u.mgd.associated &&
3445             (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3446                 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM);
3447 }
3448
3449 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
3450                                          struct net_device *dev,
3451                                          s32 rssi_thold, u32 rssi_hyst)
3452 {
3453         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3454         struct ieee80211_vif *vif = &sdata->vif;
3455         int link_id;
3456
3457         if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER &&
3458             !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
3459                 return -EOPNOTSUPP;
3460
3461         /* For MLD, handle CQM change on all the active links */
3462         for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3463                 struct ieee80211_link_data *link =
3464                         sdata_dereference(sdata->link[link_id], sdata);
3465
3466                 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst,
3467                                             0, 0);
3468         }
3469
3470         return 0;
3471 }
3472
3473 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
3474                                                struct net_device *dev,
3475                                                s32 rssi_low, s32 rssi_high)
3476 {
3477         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3478         struct ieee80211_vif *vif = &sdata->vif;
3479         int link_id;
3480
3481         if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)
3482                 return -EOPNOTSUPP;
3483
3484         /* For MLD, handle CQM change on all the active links */
3485         for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) {
3486                 struct ieee80211_link_data *link =
3487                         sdata_dereference(sdata->link[link_id], sdata);
3488
3489                 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0,
3490                                             rssi_low, rssi_high);
3491         }
3492
3493         return 0;
3494 }
3495
3496 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
3497                                       struct net_device *dev,
3498                                       unsigned int link_id,
3499                                       const u8 *addr,
3500                                       const struct cfg80211_bitrate_mask *mask)
3501 {
3502         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3503         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
3504         int i, ret;
3505
3506         if (!ieee80211_sdata_running(sdata))
3507                 return -ENETDOWN;
3508
3509         /*
3510          * If active validate the setting and reject it if it doesn't leave
3511          * at least one basic rate usable, since we really have to be able
3512          * to send something, and if we're an AP we have to be able to do
3513          * so at a basic rate so that all clients can receive it.
3514          */
3515         if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) &&
3516             sdata->vif.bss_conf.chanreq.oper.chan) {
3517                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
3518                 enum nl80211_band band;
3519
3520                 band = sdata->vif.bss_conf.chanreq.oper.chan->band;
3521
3522                 if (!(mask->control[band].legacy & basic_rates))
3523                         return -EINVAL;
3524         }
3525
3526         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
3527                 ret = drv_set_bitrate_mask(local, sdata, mask);
3528                 if (ret)
3529                         return ret;
3530         }
3531
3532         for (i = 0; i < NUM_NL80211_BANDS; i++) {
3533                 struct ieee80211_supported_band *sband = wiphy->bands[i];
3534                 int j;
3535
3536                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
3537                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
3538                        sizeof(mask->control[i].ht_mcs));
3539                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
3540                        mask->control[i].vht_mcs,
3541                        sizeof(mask->control[i].vht_mcs));
3542
3543                 sdata->rc_has_mcs_mask[i] = false;
3544                 sdata->rc_has_vht_mcs_mask[i] = false;
3545                 if (!sband)
3546                         continue;
3547
3548                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
3549                         if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
3550                                 sdata->rc_has_mcs_mask[i] = true;
3551                                 break;
3552                         }
3553                 }
3554
3555                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
3556                         if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
3557                                 sdata->rc_has_vht_mcs_mask[i] = true;
3558                                 break;
3559                         }
3560                 }
3561         }
3562
3563         return 0;
3564 }
3565
3566 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
3567                                            struct net_device *dev,
3568                                            struct cfg80211_chan_def *chandef,
3569                                            u32 cac_time_ms, int link_id)
3570 {
3571         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3572         struct ieee80211_chan_req chanreq = { .oper = *chandef };
3573         struct ieee80211_local *local = sdata->local;
3574         struct ieee80211_link_data *link_data;
3575         int err;
3576
3577         lockdep_assert_wiphy(local->hw.wiphy);
3578
3579         if (!list_empty(&local->roc_list) || local->scanning)
3580                 return -EBUSY;
3581
3582         link_data = sdata_dereference(sdata->link[link_id], sdata);
3583         if (!link_data)
3584                 return -ENOLINK;
3585
3586         /* whatever, but channel contexts should not complain about that one */
3587         link_data->smps_mode = IEEE80211_SMPS_OFF;
3588         link_data->needed_rx_chains = local->rx_chains;
3589
3590         err = ieee80211_link_use_channel(link_data, &chanreq,
3591                                          IEEE80211_CHANCTX_SHARED);
3592         if (err)
3593                 return err;
3594
3595         wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work,
3596                                  msecs_to_jiffies(cac_time_ms));
3597
3598         return 0;
3599 }
3600
3601 static void ieee80211_end_cac(struct wiphy *wiphy,
3602                               struct net_device *dev, unsigned int link_id)
3603 {
3604         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3605         struct ieee80211_local *local = sdata->local;
3606         struct ieee80211_link_data *link_data;
3607
3608         lockdep_assert_wiphy(local->hw.wiphy);
3609
3610         list_for_each_entry(sdata, &local->interfaces, list) {
3611                 link_data = sdata_dereference(sdata->link[link_id], sdata);
3612                 if (!link_data)
3613                         continue;
3614
3615                 wiphy_delayed_work_cancel(wiphy,
3616                                           &link_data->dfs_cac_timer_work);
3617
3618                 if (sdata->wdev.links[link_id].cac_started) {
3619                         ieee80211_link_release_channel(link_data);
3620                         sdata->wdev.links[link_id].cac_started = false;
3621                 }
3622         }
3623 }
3624
3625 static struct cfg80211_beacon_data *
3626 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
3627 {
3628         struct cfg80211_beacon_data *new_beacon;
3629         u8 *pos;
3630         int len;
3631
3632         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
3633               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
3634               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
3635
3636         if (beacon->mbssid_ies)
3637                 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies,
3638                                                        beacon->rnr_ies,
3639                                                        beacon->mbssid_ies->cnt);
3640
3641         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
3642         if (!new_beacon)
3643                 return NULL;
3644
3645         if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3646                 new_beacon->mbssid_ies =
3647                         kzalloc(struct_size(new_beacon->mbssid_ies,
3648                                             elem, beacon->mbssid_ies->cnt),
3649                                 GFP_KERNEL);
3650                 if (!new_beacon->mbssid_ies) {
3651                         kfree(new_beacon);
3652                         return NULL;
3653                 }
3654
3655                 if (beacon->rnr_ies && beacon->rnr_ies->cnt) {
3656                         new_beacon->rnr_ies =
3657                                 kzalloc(struct_size(new_beacon->rnr_ies,
3658                                                     elem, beacon->rnr_ies->cnt),
3659                                         GFP_KERNEL);
3660                         if (!new_beacon->rnr_ies) {
3661                                 kfree(new_beacon->mbssid_ies);
3662                                 kfree(new_beacon);
3663                                 return NULL;
3664                         }
3665                 }
3666         }
3667
3668         pos = (u8 *)(new_beacon + 1);
3669         if (beacon->head_len) {
3670                 new_beacon->head_len = beacon->head_len;
3671                 new_beacon->head = pos;
3672                 memcpy(pos, beacon->head, beacon->head_len);
3673                 pos += beacon->head_len;
3674         }
3675         if (beacon->tail_len) {
3676                 new_beacon->tail_len = beacon->tail_len;
3677                 new_beacon->tail = pos;
3678                 memcpy(pos, beacon->tail, beacon->tail_len);
3679                 pos += beacon->tail_len;
3680         }
3681         if (beacon->beacon_ies_len) {
3682                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3683                 new_beacon->beacon_ies = pos;
3684                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3685                 pos += beacon->beacon_ies_len;
3686         }
3687         if (beacon->proberesp_ies_len) {
3688                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3689                 new_beacon->proberesp_ies = pos;
3690                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3691                 pos += beacon->proberesp_ies_len;
3692         }
3693         if (beacon->assocresp_ies_len) {
3694                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3695                 new_beacon->assocresp_ies = pos;
3696                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3697                 pos += beacon->assocresp_ies_len;
3698         }
3699         if (beacon->probe_resp_len) {
3700                 new_beacon->probe_resp_len = beacon->probe_resp_len;
3701                 new_beacon->probe_resp = pos;
3702                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3703                 pos += beacon->probe_resp_len;
3704         }
3705         if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) {
3706                 pos += ieee80211_copy_mbssid_beacon(pos,
3707                                                     new_beacon->mbssid_ies,
3708                                                     beacon->mbssid_ies);
3709                 if (beacon->rnr_ies && beacon->rnr_ies->cnt)
3710                         pos += ieee80211_copy_rnr_beacon(pos,
3711                                                          new_beacon->rnr_ies,
3712                                                          beacon->rnr_ies);
3713         }
3714
3715         /* might copy -1, meaning no changes requested */
3716         new_beacon->ftm_responder = beacon->ftm_responder;
3717         if (beacon->lci) {
3718                 new_beacon->lci_len = beacon->lci_len;
3719                 new_beacon->lci = pos;
3720                 memcpy(pos, beacon->lci, beacon->lci_len);
3721                 pos += beacon->lci_len;
3722         }
3723         if (beacon->civicloc) {
3724                 new_beacon->civicloc_len = beacon->civicloc_len;
3725                 new_beacon->civicloc = pos;
3726                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3727                 pos += beacon->civicloc_len;
3728         }
3729
3730         return new_beacon;
3731 }
3732
3733 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
3734 {
3735         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3736         struct ieee80211_local *local = sdata->local;
3737         struct ieee80211_bss_conf *tx_bss_conf;
3738         struct ieee80211_link_data *link_data;
3739
3740         if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
3741                 return;
3742
3743         rcu_read_lock();
3744
3745         link_data = rcu_dereference(sdata->link[link_id]);
3746         if (WARN_ON(!link_data)) {
3747                 rcu_read_unlock();
3748                 return;
3749         }
3750
3751         tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf);
3752         if (tx_bss_conf == link_data->conf) {
3753                 /* Trigger ieee80211_csa_finish() on the non-transmitting
3754                  * interfaces when channel switch is received on
3755                  * transmitting interface
3756                  */
3757                 struct ieee80211_link_data *iter;
3758
3759                 for_each_sdata_link(local, iter) {
3760                         if (iter->sdata == sdata ||
3761                             rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf)
3762                                 continue;
3763
3764                         wiphy_work_queue(iter->sdata->local->hw.wiphy,
3765                                          &iter->csa.finalize_work);
3766                 }
3767         }
3768
3769         wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work);
3770
3771         rcu_read_unlock();
3772 }
3773 EXPORT_SYMBOL(ieee80211_csa_finish);
3774
3775 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif)
3776 {
3777         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3778         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3779         struct ieee80211_local *local = sdata->local;
3780
3781         sdata_info(sdata, "channel switch failed, disconnecting\n");
3782         wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work);
3783 }
3784 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect);
3785
3786 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
3787                                           u64 *changed)
3788 {
3789         struct ieee80211_sub_if_data *sdata = link_data->sdata;
3790         int err;
3791
3792         switch (sdata->vif.type) {
3793         case NL80211_IFTYPE_AP:
3794                 if (!link_data->u.ap.next_beacon)
3795                         return -EINVAL;
3796
3797                 err = ieee80211_assign_beacon(sdata, link_data,
3798                                               link_data->u.ap.next_beacon,
3799                                               NULL, NULL, changed);
3800                 ieee80211_free_next_beacon(link_data);
3801
3802                 if (err < 0)
3803                         return err;
3804                 break;
3805         case NL80211_IFTYPE_ADHOC:
3806                 err = ieee80211_ibss_finish_csa(sdata, changed);
3807                 if (err < 0)
3808                         return err;
3809                 break;
3810 #ifdef CONFIG_MAC80211_MESH
3811         case NL80211_IFTYPE_MESH_POINT:
3812                 err = ieee80211_mesh_finish_csa(sdata, changed);
3813                 if (err < 0)
3814                         return err;
3815                 break;
3816 #endif
3817         default:
3818                 WARN_ON(1);
3819                 return -EINVAL;
3820         }
3821
3822         return 0;
3823 }
3824
3825 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3826 {
3827         struct ieee80211_sub_if_data *sdata = link_data->sdata;
3828         struct ieee80211_local *local = sdata->local;
3829         struct ieee80211_bss_conf *link_conf = link_data->conf;
3830         u64 changed = 0;
3831         int err;
3832
3833         lockdep_assert_wiphy(local->hw.wiphy);
3834
3835         /*
3836          * using reservation isn't immediate as it may be deferred until later
3837          * with multi-vif. once reservation is complete it will re-schedule the
3838          * work with no reserved_chanctx so verify chandef to check if it
3839          * completed successfully
3840          */
3841
3842         if (link_data->reserved_chanctx) {
3843                 /*
3844                  * with multi-vif csa driver may call ieee80211_csa_finish()
3845                  * many times while waiting for other interfaces to use their
3846                  * reservations
3847                  */
3848                 if (link_data->reserved_ready)
3849                         return 0;
3850
3851                 return ieee80211_link_use_reserved_context(link_data);
3852         }
3853
3854         if (!cfg80211_chandef_identical(&link_conf->chanreq.oper,
3855                                         &link_data->csa.chanreq.oper))
3856                 return -EINVAL;
3857
3858         link_conf->csa_active = false;
3859
3860         err = ieee80211_set_after_csa_beacon(link_data, &changed);
3861         if (err)
3862                 return err;
3863
3864         ieee80211_link_info_change_notify(sdata, link_data, changed);
3865
3866         ieee80211_vif_unblock_queues_csa(sdata);
3867
3868         err = drv_post_channel_switch(link_data);
3869         if (err)
3870                 return err;
3871
3872         cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper,
3873                                   link_data->link_id);
3874
3875         return 0;
3876 }
3877
3878 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3879 {
3880         struct ieee80211_sub_if_data *sdata = link_data->sdata;
3881
3882         if (__ieee80211_csa_finalize(link_data)) {
3883                 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n",
3884                            link_data->link_id);
3885                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3886                                     GFP_KERNEL);
3887         }
3888 }
3889
3890 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
3891 {
3892         struct ieee80211_link_data *link =
3893                 container_of(work, struct ieee80211_link_data, csa.finalize_work);
3894         struct ieee80211_sub_if_data *sdata = link->sdata;
3895         struct ieee80211_local *local = sdata->local;
3896
3897         lockdep_assert_wiphy(local->hw.wiphy);
3898
3899         /* AP might have been stopped while waiting for the lock. */
3900         if (!link->conf->csa_active)
3901                 return;
3902
3903         if (!ieee80211_sdata_running(sdata))
3904                 return;
3905
3906         ieee80211_csa_finalize(link);
3907 }
3908
3909 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
3910                                     struct cfg80211_csa_settings *params,
3911                                     u64 *changed)
3912 {
3913         struct ieee80211_sub_if_data *sdata = link_data->sdata;
3914         struct ieee80211_csa_settings csa = {};
3915         int err;
3916
3917         switch (sdata->vif.type) {
3918         case NL80211_IFTYPE_AP:
3919                 link_data->u.ap.next_beacon =
3920                         cfg80211_beacon_dup(&params->beacon_after);
3921                 if (!link_data->u.ap.next_beacon)
3922                         return -ENOMEM;
3923
3924                 /*
3925                  * With a count of 0, we don't have to wait for any
3926                  * TBTT before switching, so complete the CSA
3927                  * immediately.  In theory, with a count == 1 we
3928                  * should delay the switch until just before the next
3929                  * TBTT, but that would complicate things so we switch
3930                  * immediately too.  If we would delay the switch
3931                  * until the next TBTT, we would have to set the probe
3932                  * response here.
3933                  *
3934                  * TODO: A channel switch with count <= 1 without
3935                  * sending a CSA action frame is kind of useless,
3936                  * because the clients won't know we're changing
3937                  * channels.  The action frame must be implemented
3938                  * either here or in the userspace.
3939                  */
3940                 if (params->count <= 1)
3941                         break;
3942
3943                 if ((params->n_counter_offsets_beacon >
3944                      IEEE80211_MAX_CNTDWN_COUNTERS_NUM) ||
3945                     (params->n_counter_offsets_presp >
3946                      IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) {
3947                         ieee80211_free_next_beacon(link_data);
3948                         return -EINVAL;
3949                 }
3950
3951                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3952                 csa.counter_offsets_presp = params->counter_offsets_presp;
3953                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3954                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3955                 csa.count = params->count;
3956
3957                 err = ieee80211_assign_beacon(sdata, link_data,
3958                                               &params->beacon_csa, &csa,
3959                                               NULL, changed);
3960                 if (err < 0) {
3961                         ieee80211_free_next_beacon(link_data);
3962                         return err;
3963                 }
3964
3965                 break;
3966         case NL80211_IFTYPE_ADHOC:
3967                 if (!sdata->vif.cfg.ibss_joined)
3968                         return -EINVAL;
3969
3970                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3971                         return -EINVAL;
3972
3973                 switch (params->chandef.width) {
3974                 case NL80211_CHAN_WIDTH_40:
3975                         if (cfg80211_get_chandef_type(&params->chandef) !=
3976                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3977                                 return -EINVAL;
3978                         break;
3979                 case NL80211_CHAN_WIDTH_5:
3980                 case NL80211_CHAN_WIDTH_10:
3981                 case NL80211_CHAN_WIDTH_20_NOHT:
3982                 case NL80211_CHAN_WIDTH_20:
3983                         break;
3984                 default:
3985                         return -EINVAL;
3986                 }
3987
3988                 /* changes into another band are not supported */
3989                 if (sdata->u.ibss.chandef.chan->band !=
3990                     params->chandef.chan->band)
3991                         return -EINVAL;
3992
3993                 /* see comments in the NL80211_IFTYPE_AP block */
3994                 if (params->count > 1) {
3995                         err = ieee80211_ibss_csa_beacon(sdata, params, changed);
3996                         if (err < 0)
3997                                 return err;
3998                 }
3999
4000                 ieee80211_send_action_csa(sdata, params);
4001
4002                 break;
4003 #ifdef CONFIG_MAC80211_MESH
4004         case NL80211_IFTYPE_MESH_POINT: {
4005                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
4006
4007                 /* changes into another band are not supported */
4008                 if (sdata->vif.bss_conf.chanreq.oper.chan->band !=
4009                     params->chandef.chan->band)
4010                         return -EINVAL;
4011
4012                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
4013                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
4014                         if (!ifmsh->pre_value)
4015                                 ifmsh->pre_value = 1;
4016                         else
4017                                 ifmsh->pre_value++;
4018                 }
4019
4020                 /* see comments in the NL80211_IFTYPE_AP block */
4021                 if (params->count > 1) {
4022                         err = ieee80211_mesh_csa_beacon(sdata, params, changed);
4023                         if (err < 0) {
4024                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
4025                                 return err;
4026                         }
4027                 }
4028
4029                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
4030                         ieee80211_send_action_csa(sdata, params);
4031
4032                 break;
4033                 }
4034 #endif
4035         default:
4036                 return -EOPNOTSUPP;
4037         }
4038
4039         return 0;
4040 }
4041
4042 static void ieee80211_color_change_abort(struct ieee80211_link_data *link)
4043 {
4044         link->conf->color_change_active = false;
4045
4046         ieee80211_free_next_beacon(link);
4047
4048         cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id);
4049 }
4050
4051 static int
4052 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4053                            struct cfg80211_csa_settings *params)
4054 {
4055         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4056         struct ieee80211_chan_req chanreq = { .oper = params->chandef };
4057         struct ieee80211_local *local = sdata->local;
4058         struct ieee80211_channel_switch ch_switch = {
4059                 .link_id = params->link_id,
4060         };
4061         struct ieee80211_chanctx_conf *conf;
4062         struct ieee80211_chanctx *chanctx;
4063         struct ieee80211_bss_conf *link_conf;
4064         struct ieee80211_link_data *link_data;
4065         u64 changed = 0;
4066         u8 link_id = params->link_id;
4067         int err;
4068
4069         lockdep_assert_wiphy(local->hw.wiphy);
4070
4071         if (!list_empty(&local->roc_list) || local->scanning)
4072                 return -EBUSY;
4073
4074         if (sdata->wdev.links[link_id].cac_started)
4075                 return -EBUSY;
4076
4077         if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4078                 return -EINVAL;
4079
4080         link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
4081         if (!link_data)
4082                 return -ENOLINK;
4083
4084         link_conf = link_data->conf;
4085
4086         if (chanreq.oper.punctured && !link_conf->eht_support)
4087                 return -EINVAL;
4088
4089         /* don't allow another channel switch if one is already active. */
4090         if (link_conf->csa_active)
4091                 return -EBUSY;
4092
4093         conf = wiphy_dereference(wiphy, link_conf->chanctx_conf);
4094         if (!conf) {
4095                 err = -EBUSY;
4096                 goto out;
4097         }
4098
4099         if (params->chandef.chan->freq_offset) {
4100                 /* this may work, but is untested */
4101                 err = -EOPNOTSUPP;
4102                 goto out;
4103         }
4104
4105         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
4106
4107         ch_switch.timestamp = 0;
4108         ch_switch.device_timestamp = 0;
4109         ch_switch.block_tx = params->block_tx;
4110         ch_switch.chandef = chanreq.oper;
4111         ch_switch.count = params->count;
4112
4113         err = drv_pre_channel_switch(sdata, &ch_switch);
4114         if (err)
4115                 goto out;
4116
4117         err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
4118                                              chanctx->mode,
4119                                              params->radar_required);
4120         if (err)
4121                 goto out;
4122
4123         /* if reservation is invalid then this will fail */
4124         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0, -1);
4125         if (err) {
4126                 ieee80211_link_unreserve_chanctx(link_data);
4127                 goto out;
4128         }
4129
4130         /* if there is a color change in progress, abort it */
4131         if (link_conf->color_change_active)
4132                 ieee80211_color_change_abort(link_data);
4133
4134         err = ieee80211_set_csa_beacon(link_data, params, &changed);
4135         if (err) {
4136                 ieee80211_link_unreserve_chanctx(link_data);
4137                 goto out;
4138         }
4139
4140         link_data->csa.chanreq = chanreq;
4141         link_conf->csa_active = true;
4142
4143         if (params->block_tx)
4144                 ieee80211_vif_block_queues_csa(sdata);
4145
4146         cfg80211_ch_switch_started_notify(sdata->dev,
4147                                           &link_data->csa.chanreq.oper, link_id,
4148                                           params->count, params->block_tx);
4149
4150         if (changed) {
4151                 ieee80211_link_info_change_notify(sdata, link_data, changed);
4152                 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper);
4153         } else {
4154                 /* if the beacon didn't change, we can finalize immediately */
4155                 ieee80211_csa_finalize(link_data);
4156         }
4157
4158 out:
4159         return err;
4160 }
4161
4162 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4163                              struct cfg80211_csa_settings *params)
4164 {
4165         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4166         struct ieee80211_local *local = sdata->local;
4167
4168         lockdep_assert_wiphy(local->hw.wiphy);
4169
4170         return __ieee80211_channel_switch(wiphy, dev, params);
4171 }
4172
4173 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
4174 {
4175         lockdep_assert_wiphy(local->hw.wiphy);
4176
4177         local->roc_cookie_counter++;
4178
4179         /* wow, you wrapped 64 bits ... more likely a bug */
4180         if (WARN_ON(local->roc_cookie_counter == 0))
4181                 local->roc_cookie_counter++;
4182
4183         return local->roc_cookie_counter;
4184 }
4185
4186 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
4187                              u64 *cookie, gfp_t gfp)
4188 {
4189         unsigned long spin_flags;
4190         struct sk_buff *ack_skb;
4191         int id;
4192
4193         ack_skb = skb_copy(skb, gfp);
4194         if (!ack_skb)
4195                 return -ENOMEM;
4196
4197         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
4198         id = idr_alloc(&local->ack_status_frames, ack_skb,
4199                        1, 0x2000, GFP_ATOMIC);
4200         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
4201
4202         if (id < 0) {
4203                 kfree_skb(ack_skb);
4204                 return -ENOMEM;
4205         }
4206
4207         IEEE80211_SKB_CB(skb)->status_data_idr = 1;
4208         IEEE80211_SKB_CB(skb)->status_data = id;
4209
4210         *cookie = ieee80211_mgmt_tx_cookie(local);
4211         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
4212
4213         return 0;
4214 }
4215
4216 static void
4217 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
4218                                           struct wireless_dev *wdev,
4219                                           struct mgmt_frame_regs *upd)
4220 {
4221         struct ieee80211_local *local = wiphy_priv(wiphy);
4222         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4223         u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
4224         u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
4225         bool global_change, intf_change;
4226
4227         global_change =
4228                 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
4229                 (local->rx_mcast_action_reg !=
4230                  !!(upd->global_mcast_stypes & action_mask));
4231         local->probe_req_reg = upd->global_stypes & preq_mask;
4232         local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
4233
4234         intf_change = (sdata->vif.probe_req_reg !=
4235                        !!(upd->interface_stypes & preq_mask)) ||
4236                 (sdata->vif.rx_mcast_action_reg !=
4237                  !!(upd->interface_mcast_stypes & action_mask));
4238         sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
4239         sdata->vif.rx_mcast_action_reg =
4240                 upd->interface_mcast_stypes & action_mask;
4241
4242         if (!local->open_count)
4243                 return;
4244
4245         if (intf_change && ieee80211_sdata_running(sdata))
4246                 drv_config_iface_filter(local, sdata,
4247                                         sdata->vif.probe_req_reg ?
4248                                                 FIF_PROBE_REQ : 0,
4249                                         FIF_PROBE_REQ);
4250
4251         if (global_change)
4252                 ieee80211_configure_filter(local);
4253 }
4254
4255 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
4256 {
4257         struct ieee80211_local *local = wiphy_priv(wiphy);
4258         int ret;
4259
4260         if (local->started)
4261                 return -EOPNOTSUPP;
4262
4263         ret = drv_set_antenna(local, tx_ant, rx_ant);
4264         if (ret)
4265                 return ret;
4266
4267         local->rx_chains = hweight8(rx_ant);
4268         return 0;
4269 }
4270
4271 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
4272 {
4273         struct ieee80211_local *local = wiphy_priv(wiphy);
4274
4275         return drv_get_antenna(local, tx_ant, rx_ant);
4276 }
4277
4278 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
4279                                     struct net_device *dev,
4280                                     struct cfg80211_gtk_rekey_data *data)
4281 {
4282         struct ieee80211_local *local = wiphy_priv(wiphy);
4283         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4284
4285         if (!local->ops->set_rekey_data)
4286                 return -EOPNOTSUPP;
4287
4288         drv_set_rekey_data(local, sdata, data);
4289
4290         return 0;
4291 }
4292
4293 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
4294                                   const u8 *peer, u64 *cookie)
4295 {
4296         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4297         struct ieee80211_local *local = sdata->local;
4298         struct ieee80211_qos_hdr *nullfunc;
4299         struct sk_buff *skb;
4300         int size = sizeof(*nullfunc);
4301         __le16 fc;
4302         bool qos;
4303         struct ieee80211_tx_info *info;
4304         struct sta_info *sta;
4305         struct ieee80211_chanctx_conf *chanctx_conf;
4306         enum nl80211_band band;
4307         int ret;
4308
4309         /* the lock is needed to assign the cookie later */
4310         lockdep_assert_wiphy(local->hw.wiphy);
4311
4312         rcu_read_lock();
4313         sta = sta_info_get_bss(sdata, peer);
4314         if (!sta) {
4315                 ret = -ENOLINK;
4316                 goto unlock;
4317         }
4318
4319         qos = sta->sta.wme;
4320
4321         chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf);
4322         if (WARN_ON(!chanctx_conf)) {
4323                 ret = -EINVAL;
4324                 goto unlock;
4325         }
4326         band = chanctx_conf->def.chan->band;
4327
4328         if (qos) {
4329                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4330                                  IEEE80211_STYPE_QOS_NULLFUNC |
4331                                  IEEE80211_FCTL_FROMDS);
4332         } else {
4333                 size -= 2;
4334                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
4335                                  IEEE80211_STYPE_NULLFUNC |
4336                                  IEEE80211_FCTL_FROMDS);
4337         }
4338
4339         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
4340         if (!skb) {
4341                 ret = -ENOMEM;
4342                 goto unlock;
4343         }
4344
4345         skb->dev = dev;
4346
4347         skb_reserve(skb, local->hw.extra_tx_headroom);
4348
4349         nullfunc = skb_put(skb, size);
4350         nullfunc->frame_control = fc;
4351         nullfunc->duration_id = 0;
4352         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
4353         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
4354         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
4355         nullfunc->seq_ctrl = 0;
4356
4357         info = IEEE80211_SKB_CB(skb);
4358
4359         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
4360                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
4361         info->band = band;
4362
4363         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
4364         skb->priority = 7;
4365         if (qos)
4366                 nullfunc->qos_ctrl = cpu_to_le16(7);
4367
4368         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
4369         if (ret) {
4370                 kfree_skb(skb);
4371                 goto unlock;
4372         }
4373
4374         local_bh_disable();
4375         ieee80211_xmit(sdata, sta, skb);
4376         local_bh_enable();
4377
4378         ret = 0;
4379 unlock:
4380         rcu_read_unlock();
4381
4382         return ret;
4383 }
4384
4385 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
4386                                      struct wireless_dev *wdev,
4387                                      unsigned int link_id,
4388                                      struct cfg80211_chan_def *chandef)
4389 {
4390         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4391         struct ieee80211_local *local = wiphy_priv(wiphy);
4392         struct ieee80211_chanctx_conf *chanctx_conf;
4393         struct ieee80211_link_data *link;
4394         int ret = -ENODATA;
4395
4396         rcu_read_lock();
4397         link = rcu_dereference(sdata->link[link_id]);
4398         if (!link) {
4399                 ret = -ENOLINK;
4400                 goto out;
4401         }
4402
4403         chanctx_conf = rcu_dereference(link->conf->chanctx_conf);
4404         if (chanctx_conf) {
4405                 *chandef = link->conf->chanreq.oper;
4406                 ret = 0;
4407         } else if (local->open_count > 0 &&
4408                    local->open_count == local->virt_monitors &&
4409                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
4410                 *chandef = local->monitor_chanreq.oper;
4411                 ret = 0;
4412         }
4413 out:
4414         rcu_read_unlock();
4415
4416         return ret;
4417 }
4418
4419 #ifdef CONFIG_PM
4420 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
4421 {
4422         drv_set_wakeup(wiphy_priv(wiphy), enabled);
4423 }
4424 #endif
4425
4426 static int ieee80211_set_qos_map(struct wiphy *wiphy,
4427                                  struct net_device *dev,
4428                                  struct cfg80211_qos_map *qos_map)
4429 {
4430         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4431         struct mac80211_qos_map *new_qos_map, *old_qos_map;
4432
4433         if (qos_map) {
4434                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
4435                 if (!new_qos_map)
4436                         return -ENOMEM;
4437                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
4438         } else {
4439                 /* A NULL qos_map was passed to disable QoS mapping */
4440                 new_qos_map = NULL;
4441         }
4442
4443         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
4444         rcu_assign_pointer(sdata->qos_map, new_qos_map);
4445         if (old_qos_map)
4446                 kfree_rcu(old_qos_map, rcu_head);
4447
4448         return 0;
4449 }
4450
4451 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
4452                                       struct net_device *dev,
4453                                       unsigned int link_id,
4454                                       struct cfg80211_chan_def *chandef)
4455 {
4456         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4457         struct ieee80211_link_data *link;
4458         struct ieee80211_chan_req chanreq = { .oper = *chandef };
4459         int ret;
4460         u64 changed = 0;
4461
4462         link = sdata_dereference(sdata->link[link_id], sdata);
4463
4464         ret = ieee80211_link_change_chanreq(link, &chanreq, &changed);
4465         if (ret == 0)
4466                 ieee80211_link_info_change_notify(sdata, link, changed);
4467
4468         return ret;
4469 }
4470
4471 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4472                                u8 tsid, const u8 *peer, u8 up,
4473                                u16 admitted_time)
4474 {
4475         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4476         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4477         int ac = ieee802_1d_to_ac[up];
4478
4479         if (sdata->vif.type != NL80211_IFTYPE_STATION)
4480                 return -EOPNOTSUPP;
4481
4482         if (!(sdata->wmm_acm & BIT(up)))
4483                 return -EINVAL;
4484
4485         if (ifmgd->tx_tspec[ac].admitted_time)
4486                 return -EBUSY;
4487
4488         if (admitted_time) {
4489                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
4490                 ifmgd->tx_tspec[ac].tsid = tsid;
4491                 ifmgd->tx_tspec[ac].up = up;
4492         }
4493
4494         return 0;
4495 }
4496
4497 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
4498                                u8 tsid, const u8 *peer)
4499 {
4500         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4501         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
4502         struct ieee80211_local *local = wiphy_priv(wiphy);
4503         int ac;
4504
4505         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
4506                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
4507
4508                 /* skip unused entries */
4509                 if (!tx_tspec->admitted_time)
4510                         continue;
4511
4512                 if (tx_tspec->tsid != tsid)
4513                         continue;
4514
4515                 /* due to this new packets will be reassigned to non-ACM ACs */
4516                 tx_tspec->up = -1;
4517
4518                 /* Make sure that all packets have been sent to avoid to
4519                  * restore the QoS params on packets that are still on the
4520                  * queues.
4521                  */
4522                 synchronize_net();
4523                 ieee80211_flush_queues(local, sdata, false);
4524
4525                 /* restore the normal QoS parameters
4526                  * (unconditionally to avoid races)
4527                  */
4528                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
4529                 tx_tspec->downgraded = false;
4530                 ieee80211_sta_handle_tspec_ac_params(sdata);
4531
4532                 /* finally clear all the data */
4533                 memset(tx_tspec, 0, sizeof(*tx_tspec));
4534
4535                 return 0;
4536         }
4537
4538         return -ENOENT;
4539 }
4540
4541 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
4542                                    u8 inst_id,
4543                                    enum nl80211_nan_func_term_reason reason,
4544                                    gfp_t gfp)
4545 {
4546         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4547         struct cfg80211_nan_func *func;
4548         u64 cookie;
4549
4550         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4551                 return;
4552
4553         spin_lock_bh(&sdata->u.nan.func_lock);
4554
4555         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
4556         if (WARN_ON(!func)) {
4557                 spin_unlock_bh(&sdata->u.nan.func_lock);
4558                 return;
4559         }
4560
4561         cookie = func->cookie;
4562         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
4563
4564         spin_unlock_bh(&sdata->u.nan.func_lock);
4565
4566         cfg80211_free_nan_func(func);
4567
4568         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
4569                                      reason, cookie, gfp);
4570 }
4571 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
4572
4573 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
4574                               struct cfg80211_nan_match_params *match,
4575                               gfp_t gfp)
4576 {
4577         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4578         struct cfg80211_nan_func *func;
4579
4580         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
4581                 return;
4582
4583         spin_lock_bh(&sdata->u.nan.func_lock);
4584
4585         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
4586         if (WARN_ON(!func)) {
4587                 spin_unlock_bh(&sdata->u.nan.func_lock);
4588                 return;
4589         }
4590         match->cookie = func->cookie;
4591
4592         spin_unlock_bh(&sdata->u.nan.func_lock);
4593
4594         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
4595 }
4596 EXPORT_SYMBOL(ieee80211_nan_func_match);
4597
4598 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
4599                                               struct net_device *dev,
4600                                               const bool enabled)
4601 {
4602         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4603
4604         sdata->u.ap.multicast_to_unicast = enabled;
4605
4606         return 0;
4607 }
4608
4609 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
4610                               struct txq_info *txqi)
4611 {
4612         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
4613                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
4614                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
4615         }
4616
4617         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
4618                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
4619                 txqstats->backlog_packets = txqi->tin.backlog_packets;
4620         }
4621
4622         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
4623                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
4624                 txqstats->flows = txqi->tin.flows;
4625         }
4626
4627         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
4628                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
4629                 txqstats->drops = txqi->cstats.drop_count;
4630         }
4631
4632         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
4633                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
4634                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
4635         }
4636
4637         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
4638                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
4639                 txqstats->overlimit = txqi->tin.overlimit;
4640         }
4641
4642         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
4643                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
4644                 txqstats->collisions = txqi->tin.collisions;
4645         }
4646
4647         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
4648                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
4649                 txqstats->tx_bytes = txqi->tin.tx_bytes;
4650         }
4651
4652         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
4653                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
4654                 txqstats->tx_packets = txqi->tin.tx_packets;
4655         }
4656 }
4657
4658 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
4659                                    struct wireless_dev *wdev,
4660                                    struct cfg80211_txq_stats *txqstats)
4661 {
4662         struct ieee80211_local *local = wiphy_priv(wiphy);
4663         struct ieee80211_sub_if_data *sdata;
4664         int ret = 0;
4665
4666         spin_lock_bh(&local->fq.lock);
4667         rcu_read_lock();
4668
4669         if (wdev) {
4670                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
4671                 if (!sdata->vif.txq) {
4672                         ret = 1;
4673                         goto out;
4674                 }
4675                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
4676         } else {
4677                 /* phy stats */
4678                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
4679                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
4680                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
4681                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
4682                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
4683                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
4684                 txqstats->backlog_packets = local->fq.backlog;
4685                 txqstats->backlog_bytes = local->fq.memory_usage;
4686                 txqstats->overlimit = local->fq.overlimit;
4687                 txqstats->overmemory = local->fq.overmemory;
4688                 txqstats->collisions = local->fq.collisions;
4689                 txqstats->max_flows = local->fq.flows_cnt;
4690         }
4691
4692 out:
4693         rcu_read_unlock();
4694         spin_unlock_bh(&local->fq.lock);
4695
4696         return ret;
4697 }
4698
4699 static int
4700 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
4701                                   struct net_device *dev,
4702                                   struct cfg80211_ftm_responder_stats *ftm_stats)
4703 {
4704         struct ieee80211_local *local = wiphy_priv(wiphy);
4705         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4706
4707         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
4708 }
4709
4710 static int
4711 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4712                      struct cfg80211_pmsr_request *request)
4713 {
4714         struct ieee80211_local *local = wiphy_priv(wiphy);
4715         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4716
4717         return drv_start_pmsr(local, sdata, request);
4718 }
4719
4720 static void
4721 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
4722                      struct cfg80211_pmsr_request *request)
4723 {
4724         struct ieee80211_local *local = wiphy_priv(wiphy);
4725         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
4726
4727         return drv_abort_pmsr(local, sdata, request);
4728 }
4729
4730 static int ieee80211_set_tid_config(struct wiphy *wiphy,
4731                                     struct net_device *dev,
4732                                     struct cfg80211_tid_config *tid_conf)
4733 {
4734         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4735         struct sta_info *sta;
4736
4737         lockdep_assert_wiphy(sdata->local->hw.wiphy);
4738
4739         if (!sdata->local->ops->set_tid_config)
4740                 return -EOPNOTSUPP;
4741
4742         if (!tid_conf->peer)
4743                 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
4744
4745         sta = sta_info_get_bss(sdata, tid_conf->peer);
4746         if (!sta)
4747                 return -ENOENT;
4748
4749         return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
4750 }
4751
4752 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
4753                                       struct net_device *dev,
4754                                       const u8 *peer, u8 tids)
4755 {
4756         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
4757         struct sta_info *sta;
4758
4759         lockdep_assert_wiphy(sdata->local->hw.wiphy);
4760
4761         if (!sdata->local->ops->reset_tid_config)
4762                 return -EOPNOTSUPP;
4763
4764         if (!peer)
4765                 return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
4766
4767         sta = sta_info_get_bss(sdata, peer);
4768         if (!sta)
4769                 return -ENOENT;
4770
4771         return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
4772 }
4773
4774 static int ieee80211_set_sar_specs(struct wiphy *wiphy,
4775                                    struct cfg80211_sar_specs *sar)
4776 {
4777         struct ieee80211_local *local = wiphy_priv(wiphy);
4778
4779         if (!local->ops->set_sar_specs)
4780                 return -EOPNOTSUPP;
4781
4782         return local->ops->set_sar_specs(&local->hw, sar);
4783 }
4784
4785 static int
4786 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link,
4787                                         u64 *changed)
4788 {
4789         struct ieee80211_sub_if_data *sdata = link->sdata;
4790
4791         switch (sdata->vif.type) {
4792         case NL80211_IFTYPE_AP: {
4793                 int ret;
4794
4795                 if (!link->u.ap.next_beacon)
4796                         return -EINVAL;
4797
4798                 ret = ieee80211_assign_beacon(sdata, link,
4799                                               link->u.ap.next_beacon,
4800                                               NULL, NULL, changed);
4801                 ieee80211_free_next_beacon(link);
4802
4803                 if (ret < 0)
4804                         return ret;
4805
4806                 break;
4807         }
4808         default:
4809                 WARN_ON_ONCE(1);
4810                 return -EINVAL;
4811         }
4812
4813         return 0;
4814 }
4815
4816 static int
4817 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link,
4818                                   struct cfg80211_color_change_settings *params,
4819                                   u64 *changed)
4820 {
4821         struct ieee80211_sub_if_data *sdata = link->sdata;
4822         struct ieee80211_color_change_settings color_change = {};
4823         int err;
4824
4825         switch (sdata->vif.type) {
4826         case NL80211_IFTYPE_AP:
4827                 link->u.ap.next_beacon =
4828                         cfg80211_beacon_dup(&params->beacon_next);
4829                 if (!link->u.ap.next_beacon)
4830                         return -ENOMEM;
4831
4832                 if (params->count <= 1)
4833                         break;
4834
4835                 color_change.counter_offset_beacon =
4836                         params->counter_offset_beacon;
4837                 color_change.counter_offset_presp =
4838                         params->counter_offset_presp;
4839                 color_change.count = params->count;
4840
4841                 err = ieee80211_assign_beacon(sdata, link,
4842                                               &params->beacon_color_change,
4843                                               NULL, &color_change, changed);
4844                 if (err < 0) {
4845                         ieee80211_free_next_beacon(link);
4846                         return err;
4847                 }
4848                 break;
4849         default:
4850                 return -EOPNOTSUPP;
4851         }
4852
4853         return 0;
4854 }
4855
4856 static void
4857 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link,
4858                                          u8 color, int enable, u64 changed)
4859 {
4860         struct ieee80211_sub_if_data *sdata = link->sdata;
4861
4862         lockdep_assert_wiphy(sdata->local->hw.wiphy);
4863
4864         link->conf->he_bss_color.color = color;
4865         link->conf->he_bss_color.enabled = enable;
4866         changed |= BSS_CHANGED_HE_BSS_COLOR;
4867
4868         ieee80211_link_info_change_notify(sdata, link, changed);
4869
4870         if (!link->conf->nontransmitted &&
4871             rcu_access_pointer(link->conf->tx_bss_conf)) {
4872                 struct ieee80211_link_data *tmp;
4873
4874                 for_each_sdata_link(sdata->local, tmp) {
4875                         if (tmp->sdata == sdata ||
4876                             rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf)
4877                                 continue;
4878
4879                         tmp->conf->he_bss_color.color = color;
4880                         tmp->conf->he_bss_color.enabled = enable;
4881                         ieee80211_link_info_change_notify(tmp->sdata, tmp,
4882                                                           BSS_CHANGED_HE_BSS_COLOR);
4883                 }
4884         }
4885 }
4886
4887 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link)
4888 {
4889         struct ieee80211_sub_if_data *sdata = link->sdata;
4890         struct ieee80211_local *local = sdata->local;
4891         u64 changed = 0;
4892         int err;
4893
4894         lockdep_assert_wiphy(local->hw.wiphy);
4895
4896         link->conf->color_change_active = false;
4897
4898         err = ieee80211_set_after_color_change_beacon(link, &changed);
4899         if (err) {
4900                 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id);
4901                 return err;
4902         }
4903
4904         ieee80211_color_change_bss_config_notify(link,
4905                                                  link->conf->color_change_color,
4906                                                  1, changed);
4907         cfg80211_color_change_notify(sdata->dev, link->link_id);
4908
4909         return 0;
4910 }
4911
4912 void ieee80211_color_change_finalize_work(struct wiphy *wiphy,
4913                                           struct wiphy_work *work)
4914 {
4915         struct ieee80211_link_data *link =
4916                 container_of(work, struct ieee80211_link_data,
4917                              color_change_finalize_work);
4918         struct ieee80211_sub_if_data *sdata = link->sdata;
4919         struct ieee80211_bss_conf *link_conf = link->conf;
4920         struct ieee80211_local *local = sdata->local;
4921
4922         lockdep_assert_wiphy(local->hw.wiphy);
4923
4924         /* AP might have been stopped while waiting for the lock. */
4925         if (!link_conf->color_change_active)
4926                 return;
4927
4928         if (!ieee80211_sdata_running(sdata))
4929                 return;
4930
4931         ieee80211_color_change_finalize(link);
4932 }
4933
4934 void ieee80211_color_collision_detection_work(struct wiphy *wiphy,
4935                                               struct wiphy_work *work)
4936 {
4937         struct ieee80211_link_data *link =
4938                 container_of(work, struct ieee80211_link_data,
4939                              color_collision_detect_work.work);
4940         struct ieee80211_sub_if_data *sdata = link->sdata;
4941
4942         cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap,
4943                                              link->link_id);
4944 }
4945
4946 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id)
4947 {
4948         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4949         struct ieee80211_link_data *link;
4950
4951         if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4952                 return;
4953
4954         rcu_read_lock();
4955
4956         link = rcu_dereference(sdata->link[link_id]);
4957         if (WARN_ON(!link)) {
4958                 rcu_read_unlock();
4959                 return;
4960         }
4961
4962         wiphy_work_queue(sdata->local->hw.wiphy,
4963                          &link->color_change_finalize_work);
4964
4965         rcu_read_unlock();
4966 }
4967 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish);
4968
4969 void
4970 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif,
4971                                       u64 color_bitmap, u8 link_id)
4972 {
4973         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
4974         struct ieee80211_link_data *link;
4975
4976         if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
4977                 return;
4978
4979         rcu_read_lock();
4980
4981         link = rcu_dereference(sdata->link[link_id]);
4982         if (WARN_ON(!link)) {
4983                 rcu_read_unlock();
4984                 return;
4985         }
4986
4987         if (link->conf->color_change_active || link->conf->csa_active) {
4988                 rcu_read_unlock();
4989                 return;
4990         }
4991
4992         if (wiphy_delayed_work_pending(sdata->local->hw.wiphy,
4993                                        &link->color_collision_detect_work)) {
4994                 rcu_read_unlock();
4995                 return;
4996         }
4997
4998         link->color_bitmap = color_bitmap;
4999         /* queue the color collision detection event every 500 ms in order to
5000          * avoid sending too much netlink messages to userspace.
5001          */
5002         wiphy_delayed_work_queue(sdata->local->hw.wiphy,
5003                                  &link->color_collision_detect_work,
5004                                  msecs_to_jiffies(500));
5005
5006         rcu_read_unlock();
5007 }
5008 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify);
5009
5010 static int
5011 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
5012                        struct cfg80211_color_change_settings *params)
5013 {
5014         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5015         struct ieee80211_local *local = sdata->local;
5016         struct ieee80211_bss_conf *link_conf;
5017         struct ieee80211_link_data *link;
5018         u8 link_id = params->link_id;
5019         u64 changed = 0;
5020         int err;
5021
5022         lockdep_assert_wiphy(local->hw.wiphy);
5023
5024         if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS))
5025                 return -EINVAL;
5026
5027         link = wiphy_dereference(wiphy, sdata->link[link_id]);
5028         if (!link)
5029                 return -ENOLINK;
5030
5031         link_conf = link->conf;
5032
5033         if (link_conf->nontransmitted)
5034                 return -EINVAL;
5035
5036         /* don't allow another color change if one is already active or if csa
5037          * is active
5038          */
5039         if (link_conf->color_change_active || link_conf->csa_active) {
5040                 err = -EBUSY;
5041                 goto out;
5042         }
5043
5044         err = ieee80211_set_color_change_beacon(link, params, &changed);
5045         if (err)
5046                 goto out;
5047
5048         link_conf->color_change_active = true;
5049         link_conf->color_change_color = params->color;
5050
5051         cfg80211_color_change_started_notify(sdata->dev, params->count, link_id);
5052
5053         if (changed)
5054                 ieee80211_color_change_bss_config_notify(link, 0, 0, changed);
5055         else
5056                 /* if the beacon didn't change, we can finalize immediately */
5057                 ieee80211_color_change_finalize(link);
5058
5059 out:
5060
5061         return err;
5062 }
5063
5064 static int
5065 ieee80211_set_radar_background(struct wiphy *wiphy,
5066                                struct cfg80211_chan_def *chandef)
5067 {
5068         struct ieee80211_local *local = wiphy_priv(wiphy);
5069
5070         if (!local->ops->set_radar_background)
5071                 return -EOPNOTSUPP;
5072
5073         return local->ops->set_radar_background(&local->hw, chandef);
5074 }
5075
5076 static int ieee80211_add_intf_link(struct wiphy *wiphy,
5077                                    struct wireless_dev *wdev,
5078                                    unsigned int link_id)
5079 {
5080         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5081
5082         lockdep_assert_wiphy(sdata->local->hw.wiphy);
5083
5084         if (wdev->use_4addr)
5085                 return -EOPNOTSUPP;
5086
5087         return ieee80211_vif_set_links(sdata, wdev->valid_links, 0);
5088 }
5089
5090 static void ieee80211_del_intf_link(struct wiphy *wiphy,
5091                                     struct wireless_dev *wdev,
5092                                     unsigned int link_id)
5093 {
5094         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
5095         u16 new_links = wdev->valid_links & ~BIT(link_id);
5096
5097         lockdep_assert_wiphy(sdata->local->hw.wiphy);
5098
5099         /* During the link teardown process, certain functions require the
5100          * link_id to remain in the valid_links bitmap. Therefore, instead
5101          * of removing the link_id from the bitmap, pass a masked value to
5102          * simulate as if link_id does not exist anymore.
5103          */
5104         ieee80211_vif_set_links(sdata, new_links, 0);
5105 }
5106
5107 static int
5108 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev,
5109                            struct link_station_parameters *params)
5110 {
5111         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5112         struct ieee80211_local *local = wiphy_priv(wiphy);
5113         struct sta_info *sta;
5114         int ret;
5115
5116         lockdep_assert_wiphy(local->hw.wiphy);
5117
5118         sta = sta_info_get_bss(sdata, params->mld_mac);
5119         if (!sta)
5120                 return -ENOENT;
5121
5122         if (!sta->sta.valid_links)
5123                 return -EINVAL;
5124
5125         if (sta->sta.valid_links & BIT(params->link_id))
5126                 return -EALREADY;
5127
5128         ret = ieee80211_sta_allocate_link(sta, params->link_id);
5129         if (ret)
5130                 return ret;
5131
5132         ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params);
5133         if (ret) {
5134                 ieee80211_sta_free_link(sta, params->link_id);
5135                 return ret;
5136         }
5137
5138         if (test_sta_flag(sta, WLAN_STA_ASSOC)) {
5139                 struct link_sta_info *link_sta;
5140
5141                 link_sta = sdata_dereference(sta->link[params->link_id], sdata);
5142                 rate_control_rate_init(link_sta);
5143         }
5144
5145         /* ieee80211_sta_activate_link frees the link upon failure */
5146         return ieee80211_sta_activate_link(sta, params->link_id);
5147 }
5148
5149 static int
5150 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev,
5151                            struct link_station_parameters *params)
5152 {
5153         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5154         struct ieee80211_local *local = wiphy_priv(wiphy);
5155         struct sta_info *sta;
5156
5157         lockdep_assert_wiphy(local->hw.wiphy);
5158
5159         sta = sta_info_get_bss(sdata, params->mld_mac);
5160         if (!sta)
5161                 return -ENOENT;
5162
5163         if (!(sta->sta.valid_links & BIT(params->link_id)))
5164                 return -EINVAL;
5165
5166         return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY,
5167                                          params);
5168 }
5169
5170 static int
5171 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev,
5172                            struct link_station_del_parameters *params)
5173 {
5174         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5175         struct sta_info *sta;
5176
5177         lockdep_assert_wiphy(sdata->local->hw.wiphy);
5178
5179         sta = sta_info_get_bss(sdata, params->mld_mac);
5180         if (!sta)
5181                 return -ENOENT;
5182
5183         if (!(sta->sta.valid_links & BIT(params->link_id)))
5184                 return -EINVAL;
5185
5186         /* must not create a STA without links */
5187         if (sta->sta.valid_links == BIT(params->link_id))
5188                 return -EINVAL;
5189
5190         ieee80211_sta_remove_link(sta, params->link_id);
5191
5192         return 0;
5193 }
5194
5195 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy,
5196                                       struct net_device *dev,
5197                                       struct cfg80211_set_hw_timestamp *hwts)
5198 {
5199         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5200         struct ieee80211_local *local = sdata->local;
5201
5202         if (!local->ops->set_hw_timestamp)
5203                 return -EOPNOTSUPP;
5204
5205         if (!check_sdata_in_driver(sdata))
5206                 return -EIO;
5207
5208         return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts);
5209 }
5210
5211 static int
5212 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev,
5213                    struct cfg80211_ttlm_params *params)
5214 {
5215         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5216
5217         lockdep_assert_wiphy(sdata->local->hw.wiphy);
5218
5219         return ieee80211_req_neg_ttlm(sdata, params);
5220 }
5221
5222 static int
5223 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev,
5224                           struct cfg80211_ml_reconf_req *req)
5225 {
5226         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5227
5228         lockdep_assert_wiphy(sdata->local->hw.wiphy);
5229
5230         return ieee80211_mgd_assoc_ml_reconf(sdata, req);
5231 }
5232
5233 static int
5234 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable)
5235 {
5236         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
5237
5238         return ieee80211_mgd_set_epcs(sdata, enable);
5239 }
5240
5241 const struct cfg80211_ops mac80211_config_ops = {
5242         .add_virtual_intf = ieee80211_add_iface,
5243         .del_virtual_intf = ieee80211_del_iface,
5244         .change_virtual_intf = ieee80211_change_iface,
5245         .start_p2p_device = ieee80211_start_p2p_device,
5246         .stop_p2p_device = ieee80211_stop_p2p_device,
5247         .add_key = ieee80211_add_key,
5248         .del_key = ieee80211_del_key,
5249         .get_key = ieee80211_get_key,
5250         .set_default_key = ieee80211_config_default_key,
5251         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5252         .set_default_beacon_key = ieee80211_config_default_beacon_key,
5253         .start_ap = ieee80211_start_ap,
5254         .change_beacon = ieee80211_change_beacon,
5255         .stop_ap = ieee80211_stop_ap,
5256         .add_station = ieee80211_add_station,
5257         .del_station = ieee80211_del_station,
5258         .change_station = ieee80211_change_station,
5259         .get_station = ieee80211_get_station,
5260         .dump_station = ieee80211_dump_station,
5261         .dump_survey = ieee80211_dump_survey,
5262 #ifdef CONFIG_MAC80211_MESH
5263         .add_mpath = ieee80211_add_mpath,
5264         .del_mpath = ieee80211_del_mpath,
5265         .change_mpath = ieee80211_change_mpath,
5266         .get_mpath = ieee80211_get_mpath,
5267         .dump_mpath = ieee80211_dump_mpath,
5268         .get_mpp = ieee80211_get_mpp,
5269         .dump_mpp = ieee80211_dump_mpp,
5270         .update_mesh_config = ieee80211_update_mesh_config,
5271         .get_mesh_config = ieee80211_get_mesh_config,
5272         .join_mesh = ieee80211_join_mesh,
5273         .leave_mesh = ieee80211_leave_mesh,
5274 #endif
5275         .join_ocb = ieee80211_join_ocb,
5276         .leave_ocb = ieee80211_leave_ocb,
5277         .change_bss = ieee80211_change_bss,
5278         .inform_bss = ieee80211_inform_bss,
5279         .set_txq_params = ieee80211_set_txq_params,
5280         .set_monitor_channel = ieee80211_set_monitor_channel,
5281         .suspend = ieee80211_suspend,
5282         .resume = ieee80211_resume,
5283         .scan = ieee80211_scan,
5284         .abort_scan = ieee80211_abort_scan,
5285         .sched_scan_start = ieee80211_sched_scan_start,
5286         .sched_scan_stop = ieee80211_sched_scan_stop,
5287         .auth = ieee80211_auth,
5288         .assoc = ieee80211_assoc,
5289         .deauth = ieee80211_deauth,
5290         .disassoc = ieee80211_disassoc,
5291         .join_ibss = ieee80211_join_ibss,
5292         .leave_ibss = ieee80211_leave_ibss,
5293         .set_mcast_rate = ieee80211_set_mcast_rate,
5294         .set_wiphy_params = ieee80211_set_wiphy_params,
5295         .set_tx_power = ieee80211_set_tx_power,
5296         .get_tx_power = ieee80211_get_tx_power,
5297         .rfkill_poll = ieee80211_rfkill_poll,
5298         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
5299         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
5300         .set_power_mgmt = ieee80211_set_power_mgmt,
5301         .set_bitrate_mask = ieee80211_set_bitrate_mask,
5302         .remain_on_channel = ieee80211_remain_on_channel,
5303         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
5304         .mgmt_tx = ieee80211_mgmt_tx,
5305         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
5306         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
5307         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
5308         .update_mgmt_frame_registrations =
5309                 ieee80211_update_mgmt_frame_registrations,
5310         .set_antenna = ieee80211_set_antenna,
5311         .get_antenna = ieee80211_get_antenna,
5312         .set_rekey_data = ieee80211_set_rekey_data,
5313         .tdls_oper = ieee80211_tdls_oper,
5314         .tdls_mgmt = ieee80211_tdls_mgmt,
5315         .tdls_channel_switch = ieee80211_tdls_channel_switch,
5316         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
5317         .probe_client = ieee80211_probe_client,
5318         .set_noack_map = ieee80211_set_noack_map,
5319 #ifdef CONFIG_PM
5320         .set_wakeup = ieee80211_set_wakeup,
5321 #endif
5322         .get_channel = ieee80211_cfg_get_channel,
5323         .start_radar_detection = ieee80211_start_radar_detection,
5324         .end_cac = ieee80211_end_cac,
5325         .channel_switch = ieee80211_channel_switch,
5326         .set_qos_map = ieee80211_set_qos_map,
5327         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
5328         .add_tx_ts = ieee80211_add_tx_ts,
5329         .del_tx_ts = ieee80211_del_tx_ts,
5330         .start_nan = ieee80211_start_nan,
5331         .stop_nan = ieee80211_stop_nan,
5332         .nan_change_conf = ieee80211_nan_change_conf,
5333         .add_nan_func = ieee80211_add_nan_func,
5334         .del_nan_func = ieee80211_del_nan_func,
5335         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
5336         .tx_control_port = ieee80211_tx_control_port,
5337         .get_txq_stats = ieee80211_get_txq_stats,
5338         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
5339         .start_pmsr = ieee80211_start_pmsr,
5340         .abort_pmsr = ieee80211_abort_pmsr,
5341         .probe_mesh_link = ieee80211_probe_mesh_link,
5342         .set_tid_config = ieee80211_set_tid_config,
5343         .reset_tid_config = ieee80211_reset_tid_config,
5344         .set_sar_specs = ieee80211_set_sar_specs,
5345         .color_change = ieee80211_color_change,
5346         .set_radar_background = ieee80211_set_radar_background,
5347         .add_intf_link = ieee80211_add_intf_link,
5348         .del_intf_link = ieee80211_del_intf_link,
5349         .add_link_station = ieee80211_add_link_station,
5350         .mod_link_station = ieee80211_mod_link_station,
5351         .del_link_station = ieee80211_del_link_station,
5352         .set_hw_timestamp = ieee80211_set_hw_timestamp,
5353         .set_ttlm = ieee80211_set_ttlm,
5354         .get_radio_mask = ieee80211_get_radio_mask,
5355         .assoc_ml_reconf = ieee80211_assoc_ml_reconf,
5356         .set_epcs = ieee80211_set_epcs,
5357 };