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) 2018-2019 Intel Corporation
   9  * Copyright (C) 2018 Intel Corporation
  10  */
  11
  12 #include <linux/ieee80211.h>
  13 #include <linux/nl80211.h>
  14 #include <linux/rtnetlink.h>
  15 #include <linux/slab.h>
  16 #include <net/net_namespace.h>
  17 #include <linux/rcupdate.h>
  18 #include <linux/fips.h>
  19 #include <linux/if_ether.h>
  20 #include <net/cfg80211.h>
  21 #include "ieee80211_i.h"
  22 #include "driver-ops.h"
  23 #include "rate.h"
  24 #include "mesh.h"
  25 #include "wme.h"
  26
  27 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
  28                                          struct vif_params *params)
  29 {
  30         bool mu_mimo_groups = false;
  31         bool mu_mimo_follow = false;
  32
  33         if (params->vht_mumimo_groups) {
  34                 u64 membership;
  35
  36                 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
  37
  38                 memcpy(sdata->vif.bss_conf.mu_group.membership,
  39                        params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
  40                 memcpy(sdata->vif.bss_conf.mu_group.position,
  41                        params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
  42                        WLAN_USER_POSITION_LEN);
  43                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
  44                 /* don't care about endianness - just check for 0 */
  45                 memcpy(&membership, params->vht_mumimo_groups,
  46                        WLAN_MEMBERSHIP_LEN);
  47                 mu_mimo_groups = membership != 0;
  48         }
  49
  50         if (params->vht_mumimo_follow_addr) {
  51                 mu_mimo_follow =
  52                         is_valid_ether_addr(params->vht_mumimo_follow_addr);
  53                 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
  54                                 params->vht_mumimo_follow_addr);
  55         }
  56
  57         sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
  58 }
  59
  60 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
  61                                      struct vif_params *params)
  62 {
  63         struct ieee80211_local *local = sdata->local;
  64         struct ieee80211_sub_if_data *monitor_sdata;
  65
  66         /* check flags first */
  67         if (params->flags && ieee80211_sdata_running(sdata)) {
  68                 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
  69
  70                 /*
  71                  * Prohibit MONITOR_FLAG_COOK_FRAMES and
  72                  * MONITOR_FLAG_ACTIVE to be changed while the
  73                  * interface is up.
  74                  * Else we would need to add a lot of cruft
  75                  * to update everything:
  76                  *      cooked_mntrs, monitor and all fif_* counters
  77                  *      reconfigure hardware
  78                  */
  79                 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
  80                         return -EBUSY;
  81         }
  82
  83         /* also validate MU-MIMO change */
  84         monitor_sdata = rtnl_dereference(local->monitor_sdata);
  85
  86         if (!monitor_sdata &&
  87             (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
  88                 return -EOPNOTSUPP;
  89
  90         /* apply all changes now - no failures allowed */
  91
  92         if (monitor_sdata)
  93                 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
  94
  95         if (params->flags) {
  96                 if (ieee80211_sdata_running(sdata)) {
  97                         ieee80211_adjust_monitor_flags(sdata, -1);
  98                         sdata->u.mntr.flags = params->flags;
  99                         ieee80211_adjust_monitor_flags(sdata, 1);
 100
 101                         ieee80211_configure_filter(local);
 102                 } else {
 103                         /*
 104                          * Because the interface is down, ieee80211_do_stop
 105                          * and ieee80211_do_open take care of "everything"
 106                          * mentioned in the comment above.
 107                          */
 108                         sdata->u.mntr.flags = params->flags;
 109                 }
 110         }
 111
 112         return 0;
 113 }
 114
 115 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
 116                                                 const char *name,
 117                                                 unsigned char name_assign_type,
 118                                                 enum nl80211_iftype type,
 119                                                 struct vif_params *params)
 120 {
 121         struct ieee80211_local *local = wiphy_priv(wiphy);
 122         struct wireless_dev *wdev;
 123         struct ieee80211_sub_if_data *sdata;
 124         int err;
 125
 126         err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
 127         if (err)
 128                 return ERR_PTR(err);
 129
 130         sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 131
 132         if (type == NL80211_IFTYPE_MONITOR) {
 133                 err = ieee80211_set_mon_options(sdata, params);
 134                 if (err) {
 135                         ieee80211_if_remove(sdata);
 136                         return NULL;
 137                 }
 138         }
 139
 140         return wdev;
 141 }
 142
 143 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
 144 {
 145         ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
 146
 147         return 0;
 148 }
 149
 150 static int ieee80211_change_iface(struct wiphy *wiphy,
 151                                   struct net_device *dev,
 152                                   enum nl80211_iftype type,
 153                                   struct vif_params *params)
 154 {
 155         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 156         int ret;
 157
 158         ret = ieee80211_if_change_type(sdata, type);
 159         if (ret)
 160                 return ret;
 161
 162         if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) {
 163                 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
 164                 ieee80211_check_fast_rx_iface(sdata);
 165         } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) {
 166                 sdata->u.mgd.use_4addr = params->use_4addr;
 167         }
 168
 169         if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
 170                 ret = ieee80211_set_mon_options(sdata, params);
 171                 if (ret)
 172                         return ret;
 173         }
 174
 175         return 0;
 176 }
 177
 178 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
 179                                       struct wireless_dev *wdev)
 180 {
 181         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 182         int ret;
 183
 184         mutex_lock(&sdata->local->chanctx_mtx);
 185         ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
 186         mutex_unlock(&sdata->local->chanctx_mtx);
 187         if (ret < 0)
 188                 return ret;
 189
 190         return ieee80211_do_open(wdev, true);
 191 }
 192
 193 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
 194                                       struct wireless_dev *wdev)
 195 {
 196         ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
 197 }
 198
 199 static int ieee80211_start_nan(struct wiphy *wiphy,
 200                                struct wireless_dev *wdev,
 201                                struct cfg80211_nan_conf *conf)
 202 {
 203         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 204         int ret;
 205
 206         mutex_lock(&sdata->local->chanctx_mtx);
 207         ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
 208         mutex_unlock(&sdata->local->chanctx_mtx);
 209         if (ret < 0)
 210                 return ret;
 211
 212         ret = ieee80211_do_open(wdev, true);
 213         if (ret)
 214                 return ret;
 215
 216         ret = drv_start_nan(sdata->local, sdata, conf);
 217         if (ret)
 218                 ieee80211_sdata_stop(sdata);
 219
 220         sdata->u.nan.conf = *conf;
 221
 222         return ret;
 223 }
 224
 225 static void ieee80211_stop_nan(struct wiphy *wiphy,
 226                                struct wireless_dev *wdev)
 227 {
 228         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 229
 230         drv_stop_nan(sdata->local, sdata);
 231         ieee80211_sdata_stop(sdata);
 232 }
 233
 234 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
 235                                      struct wireless_dev *wdev,
 236                                      struct cfg80211_nan_conf *conf,
 237                                      u32 changes)
 238 {
 239         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 240         struct cfg80211_nan_conf new_conf;
 241         int ret = 0;
 242
 243         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 244                 return -EOPNOTSUPP;
 245
 246         if (!ieee80211_sdata_running(sdata))
 247                 return -ENETDOWN;
 248
 249         new_conf = sdata->u.nan.conf;
 250
 251         if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
 252                 new_conf.master_pref = conf->master_pref;
 253
 254         if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
 255                 new_conf.bands = conf->bands;
 256
 257         ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
 258         if (!ret)
 259                 sdata->u.nan.conf = new_conf;
 260
 261         return ret;
 262 }
 263
 264 static int ieee80211_add_nan_func(struct wiphy *wiphy,
 265                                   struct wireless_dev *wdev,
 266                                   struct cfg80211_nan_func *nan_func)
 267 {
 268         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 269         int ret;
 270
 271         if (sdata->vif.type != NL80211_IFTYPE_NAN)
 272                 return -EOPNOTSUPP;
 273
 274         if (!ieee80211_sdata_running(sdata))
 275                 return -ENETDOWN;
 276
 277         spin_lock_bh(&sdata->u.nan.func_lock);
 278
 279         ret = idr_alloc(&sdata->u.nan.function_inst_ids,
 280                         nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
 281                         GFP_ATOMIC);
 282         spin_unlock_bh(&sdata->u.nan.func_lock);
 283
 284         if (ret < 0)
 285                 return ret;
 286
 287         nan_func->instance_id = ret;
 288
 289         WARN_ON(nan_func->instance_id == 0);
 290
 291         ret = drv_add_nan_func(sdata->local, sdata, nan_func);
 292         if (ret) {
 293                 spin_lock_bh(&sdata->u.nan.func_lock);
 294                 idr_remove(&sdata->u.nan.function_inst_ids,
 295                            nan_func->instance_id);
 296                 spin_unlock_bh(&sdata->u.nan.func_lock);
 297         }
 298
 299         return ret;
 300 }
 301
 302 static struct cfg80211_nan_func *
 303 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
 304                                   u64 cookie)
 305 {
 306         struct cfg80211_nan_func *func;
 307         int id;
 308
 309         lockdep_assert_held(&sdata->u.nan.func_lock);
 310
 311         idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
 312                 if (func->cookie == cookie)
 313                         return func;
 314         }
 315
 316         return NULL;
 317 }
 318
 319 static void ieee80211_del_nan_func(struct wiphy *wiphy,
 320                                   struct wireless_dev *wdev, u64 cookie)
 321 {
 322         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
 323         struct cfg80211_nan_func *func;
 324         u8 instance_id = 0;
 325
 326         if (sdata->vif.type != NL80211_IFTYPE_NAN ||
 327             !ieee80211_sdata_running(sdata))
 328                 return;
 329
 330         spin_lock_bh(&sdata->u.nan.func_lock);
 331
 332         func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
 333         if (func)
 334                 instance_id = func->instance_id;
 335
 336         spin_unlock_bh(&sdata->u.nan.func_lock);
 337
 338         if (instance_id)
 339                 drv_del_nan_func(sdata->local, sdata, instance_id);
 340 }
 341
 342 static int ieee80211_set_noack_map(struct wiphy *wiphy,
 343                                   struct net_device *dev,
 344                                   u16 noack_map)
 345 {
 346         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 347
 348         sdata->noack_map = noack_map;
 349
 350         ieee80211_check_fast_xmit_iface(sdata);
 351
 352         return 0;
 353 }
 354
 355 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
 356                             const u8 *mac_addr, u8 key_idx)
 357 {
 358         struct ieee80211_local *local = sdata->local;
 359         struct ieee80211_key *key;
 360         struct sta_info *sta;
 361         int ret = -EINVAL;
 362
 363         if (!wiphy_ext_feature_isset(local->hw.wiphy,
 364                                      NL80211_EXT_FEATURE_EXT_KEY_ID))
 365                 return -EINVAL;
 366
 367         sta = sta_info_get_bss(sdata, mac_addr);
 368
 369         if (!sta)
 370                 return -EINVAL;
 371
 372         if (sta->ptk_idx == key_idx)
 373                 return 0;
 374
 375         mutex_lock(&local->key_mtx);
 376         key = key_mtx_dereference(local, sta->ptk[key_idx]);
 377
 378         if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
 379                 ret = ieee80211_set_tx_key(key);
 380
 381         mutex_unlock(&local->key_mtx);
 382         return ret;
 383 }
 384
 385 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 386                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 387                              struct key_params *params)
 388 {
 389         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 390         struct ieee80211_local *local = sdata->local;
 391         struct sta_info *sta = NULL;
 392         const struct ieee80211_cipher_scheme *cs = NULL;
 393         struct ieee80211_key *key;
 394         int err;
 395
 396         if (!ieee80211_sdata_running(sdata))
 397                 return -ENETDOWN;
 398
 399         if (pairwise && params->mode == NL80211_KEY_SET_TX)
 400                 return ieee80211_set_tx(sdata, mac_addr, key_idx);
 401
 402         /* reject WEP and TKIP keys if WEP failed to initialize */
 403         switch (params->cipher) {
 404         case WLAN_CIPHER_SUITE_WEP40:
 405         case WLAN_CIPHER_SUITE_TKIP:
 406         case WLAN_CIPHER_SUITE_WEP104:
 407                 if (WARN_ON_ONCE(fips_enabled))
 408                         return -EINVAL;
 409         case WLAN_CIPHER_SUITE_CCMP:
 410         case WLAN_CIPHER_SUITE_CCMP_256:
 411         case WLAN_CIPHER_SUITE_AES_CMAC:
 412         case WLAN_CIPHER_SUITE_BIP_CMAC_256:
 413         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 414         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 415         case WLAN_CIPHER_SUITE_GCMP:
 416         case WLAN_CIPHER_SUITE_GCMP_256:
 417                 break;
 418         default:
 419                 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
 420                 break;
 421         }
 422
 423         key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
 424                                   params->key, params->seq_len, params->seq,
 425                                   cs);
 426         if (IS_ERR(key))
 427                 return PTR_ERR(key);
 428
 429         if (pairwise)
 430                 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 431
 432         if (params->mode == NL80211_KEY_NO_TX)
 433                 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
 434
 435         mutex_lock(&local->sta_mtx);
 436
 437         if (mac_addr) {
 438                 sta = sta_info_get_bss(sdata, mac_addr);
 439                 /*
 440                  * The ASSOC test makes sure the driver is ready to
 441                  * receive the key. When wpa_supplicant has roamed
 442                  * using FT, it attempts to set the key before
 443                  * association has completed, this rejects that attempt
 444                  * so it will set the key again after association.
 445                  *
 446                  * TODO: accept the key if we have a station entry and
 447                  *       add it to the device after the station.
 448                  */
 449                 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
 450                         ieee80211_key_free_unused(key);
 451                         err = -ENOENT;
 452                         goto out_unlock;
 453                 }
 454         }
 455
 456         switch (sdata->vif.type) {
 457         case NL80211_IFTYPE_STATION:
 458                 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
 459                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 460                 break;
 461         case NL80211_IFTYPE_AP:
 462         case NL80211_IFTYPE_AP_VLAN:
 463                 /* Keys without a station are used for TX only */
 464                 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
 465                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 466                 break;
 467         case NL80211_IFTYPE_ADHOC:
 468                 /* no MFP (yet) */
 469                 break;
 470         case NL80211_IFTYPE_MESH_POINT:
 471 #ifdef CONFIG_MAC80211_MESH
 472                 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
 473                         key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
 474                 break;
 475 #endif
 476         case NL80211_IFTYPE_WDS:
 477         case NL80211_IFTYPE_MONITOR:
 478         case NL80211_IFTYPE_P2P_DEVICE:
 479         case NL80211_IFTYPE_NAN:
 480         case NL80211_IFTYPE_UNSPECIFIED:
 481         case NUM_NL80211_IFTYPES:
 482         case NL80211_IFTYPE_P2P_CLIENT:
 483         case NL80211_IFTYPE_P2P_GO:
 484         case NL80211_IFTYPE_OCB:
 485                 /* shouldn't happen */
 486                 WARN_ON_ONCE(1);
 487                 break;
 488         }
 489
 490         if (sta)
 491                 sta->cipher_scheme = cs;
 492
 493         err = ieee80211_key_link(key, sdata, sta);
 494
 495  out_unlock:
 496         mutex_unlock(&local->sta_mtx);
 497
 498         return err;
 499 }
 500
 501 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 502                              u8 key_idx, bool pairwise, const u8 *mac_addr)
 503 {
 504         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 505         struct ieee80211_local *local = sdata->local;
 506         struct sta_info *sta;
 507         struct ieee80211_key *key = NULL;
 508         int ret;
 509
 510         mutex_lock(&local->sta_mtx);
 511         mutex_lock(&local->key_mtx);
 512
 513         if (mac_addr) {
 514                 ret = -ENOENT;
 515
 516                 sta = sta_info_get_bss(sdata, mac_addr);
 517                 if (!sta)
 518                         goto out_unlock;
 519
 520                 if (pairwise)
 521                         key = key_mtx_dereference(local, sta->ptk[key_idx]);
 522                 else
 523                         key = key_mtx_dereference(local, sta->gtk[key_idx]);
 524         } else
 525                 key = key_mtx_dereference(local, sdata->keys[key_idx]);
 526
 527         if (!key) {
 528                 ret = -ENOENT;
 529                 goto out_unlock;
 530         }
 531
 532         ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
 533
 534         ret = 0;
 535  out_unlock:
 536         mutex_unlock(&local->key_mtx);
 537         mutex_unlock(&local->sta_mtx);
 538
 539         return ret;
 540 }
 541
 542 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 543                              u8 key_idx, bool pairwise, const u8 *mac_addr,
 544                              void *cookie,
 545                              void (*callback)(void *cookie,
 546                                               struct key_params *params))
 547 {
 548         struct ieee80211_sub_if_data *sdata;
 549         struct sta_info *sta = NULL;
 550         u8 seq[6] = {0};
 551         struct key_params params;
 552         struct ieee80211_key *key = NULL;
 553         u64 pn64;
 554         u32 iv32;
 555         u16 iv16;
 556         int err = -ENOENT;
 557         struct ieee80211_key_seq kseq = {};
 558
 559         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 560
 561         rcu_read_lock();
 562
 563         if (mac_addr) {
 564                 sta = sta_info_get_bss(sdata, mac_addr);
 565                 if (!sta)
 566                         goto out;
 567
 568                 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
 569                         key = rcu_dereference(sta->ptk[key_idx]);
 570                 else if (!pairwise &&
 571                          key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
 572                         key = rcu_dereference(sta->gtk[key_idx]);
 573         } else
 574                 key = rcu_dereference(sdata->keys[key_idx]);
 575
 576         if (!key)
 577                 goto out;
 578
 579         memset(&params, 0, sizeof(params));
 580
 581         params.cipher = key->conf.cipher;
 582
 583         switch (key->conf.cipher) {
 584         case WLAN_CIPHER_SUITE_TKIP:
 585                 pn64 = atomic64_read(&key->conf.tx_pn);
 586                 iv32 = TKIP_PN_TO_IV32(pn64);
 587                 iv16 = TKIP_PN_TO_IV16(pn64);
 588
 589                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 590                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 591                         drv_get_key_seq(sdata->local, key, &kseq);
 592                         iv32 = kseq.tkip.iv32;
 593                         iv16 = kseq.tkip.iv16;
 594                 }
 595
 596                 seq[0] = iv16 & 0xff;
 597                 seq[1] = (iv16 >> 8) & 0xff;
 598                 seq[2] = iv32 & 0xff;
 599                 seq[3] = (iv32 >> 8) & 0xff;
 600                 seq[4] = (iv32 >> 16) & 0xff;
 601                 seq[5] = (iv32 >> 24) & 0xff;
 602                 params.seq = seq;
 603                 params.seq_len = 6;
 604                 break;
 605         case WLAN_CIPHER_SUITE_CCMP:
 606         case WLAN_CIPHER_SUITE_CCMP_256:
 607         case WLAN_CIPHER_SUITE_AES_CMAC:
 608         case WLAN_CIPHER_SUITE_BIP_CMAC_256:
 609                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 610                              offsetof(typeof(kseq), aes_cmac));
 611                 /* fall through */
 612         case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 613         case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 614                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 615                              offsetof(typeof(kseq), aes_gmac));
 616                 /* fall through */
 617         case WLAN_CIPHER_SUITE_GCMP:
 618         case WLAN_CIPHER_SUITE_GCMP_256:
 619                 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
 620                              offsetof(typeof(kseq), gcmp));
 621
 622                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 623                     !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 624                         drv_get_key_seq(sdata->local, key, &kseq);
 625                         memcpy(seq, kseq.ccmp.pn, 6);
 626                 } else {
 627                         pn64 = atomic64_read(&key->conf.tx_pn);
 628                         seq[0] = pn64;
 629                         seq[1] = pn64 >> 8;
 630                         seq[2] = pn64 >> 16;
 631                         seq[3] = pn64 >> 24;
 632                         seq[4] = pn64 >> 32;
 633                         seq[5] = pn64 >> 40;
 634                 }
 635                 params.seq = seq;
 636                 params.seq_len = 6;
 637                 break;
 638         default:
 639                 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
 640                         break;
 641                 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
 642                         break;
 643                 drv_get_key_seq(sdata->local, key, &kseq);
 644                 params.seq = kseq.hw.seq;
 645                 params.seq_len = kseq.hw.seq_len;
 646                 break;
 647         }
 648
 649         params.key = key->conf.key;
 650         params.key_len = key->conf.keylen;
 651
 652         callback(cookie, &params);
 653         err = 0;
 654
 655  out:
 656         rcu_read_unlock();
 657         return err;
 658 }
 659
 660 static int ieee80211_config_default_key(struct wiphy *wiphy,
 661                                         struct net_device *dev,
 662                                         u8 key_idx, bool uni,
 663                                         bool multi)
 664 {
 665         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 666
 667         ieee80211_set_default_key(sdata, key_idx, uni, multi);
 668
 669         return 0;
 670 }
 671
 672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 673                                              struct net_device *dev,
 674                                              u8 key_idx)
 675 {
 676         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 677
 678         ieee80211_set_default_mgmt_key(sdata, key_idx);
 679
 680         return 0;
 681 }
 682
 683 void sta_set_rate_info_tx(struct sta_info *sta,
 684                           const struct ieee80211_tx_rate *rate,
 685                           struct rate_info *rinfo)
 686 {
 687         rinfo->flags = 0;
 688         if (rate->flags & IEEE80211_TX_RC_MCS) {
 689                 rinfo->flags |= RATE_INFO_FLAGS_MCS;
 690                 rinfo->mcs = rate->idx;
 691         } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
 692                 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
 693                 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
 694                 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
 695         } else {
 696                 struct ieee80211_supported_band *sband;
 697                 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
 698                 u16 brate;
 699
 700                 sband = ieee80211_get_sband(sta->sdata);
 701                 if (sband) {
 702                         brate = sband->bitrates[rate->idx].bitrate;
 703                         rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
 704                 }
 705         }
 706         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 707                 rinfo->bw = RATE_INFO_BW_40;
 708         else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 709                 rinfo->bw = RATE_INFO_BW_80;
 710         else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 711                 rinfo->bw = RATE_INFO_BW_160;
 712         else
 713                 rinfo->bw = RATE_INFO_BW_20;
 714         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 715                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 716 }
 717
 718 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 719                                   int idx, u8 *mac, struct station_info *sinfo)
 720 {
 721         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 722         struct ieee80211_local *local = sdata->local;
 723         struct sta_info *sta;
 724         int ret = -ENOENT;
 725
 726         mutex_lock(&local->sta_mtx);
 727
 728         sta = sta_info_get_by_idx(sdata, idx);
 729         if (sta) {
 730                 ret = 0;
 731                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 732                 sta_set_sinfo(sta, sinfo, true);
 733         }
 734
 735         mutex_unlock(&local->sta_mtx);
 736
 737         return ret;
 738 }
 739
 740 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 741                                  int idx, struct survey_info *survey)
 742 {
 743         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 744
 745         return drv_get_survey(local, idx, survey);
 746 }
 747
 748 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 749                                  const u8 *mac, struct station_info *sinfo)
 750 {
 751         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 752         struct ieee80211_local *local = sdata->local;
 753         struct sta_info *sta;
 754         int ret = -ENOENT;
 755
 756         mutex_lock(&local->sta_mtx);
 757
 758         sta = sta_info_get_bss(sdata, mac);
 759         if (sta) {
 760                 ret = 0;
 761                 sta_set_sinfo(sta, sinfo, true);
 762         }
 763
 764         mutex_unlock(&local->sta_mtx);
 765
 766         return ret;
 767 }
 768
 769 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 770                                          struct cfg80211_chan_def *chandef)
 771 {
 772         struct ieee80211_local *local = wiphy_priv(wiphy);
 773         struct ieee80211_sub_if_data *sdata;
 774         int ret = 0;
 775
 776         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 777                 return 0;
 778
 779         mutex_lock(&local->mtx);
 780         if (local->use_chanctx) {
 781                 sdata = rtnl_dereference(local->monitor_sdata);
 782                 if (sdata) {
 783                         ieee80211_vif_release_channel(sdata);
 784                         ret = ieee80211_vif_use_channel(sdata, chandef,
 785                                         IEEE80211_CHANCTX_EXCLUSIVE);
 786                 }
 787         } else if (local->open_count == local->monitors) {
 788                 local->_oper_chandef = *chandef;
 789                 ieee80211_hw_config(local, 0);
 790         }
 791
 792         if (ret == 0)
 793                 local->monitor_chandef = *chandef;
 794         mutex_unlock(&local->mtx);
 795
 796         return ret;
 797 }
 798
 799 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 800                                     const u8 *resp, size_t resp_len,
 801                                     const struct ieee80211_csa_settings *csa)
 802 {
 803         struct probe_resp *new, *old;
 804
 805         if (!resp || !resp_len)
 806                 return 1;
 807
 808         old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
 809
 810         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 811         if (!new)
 812                 return -ENOMEM;
 813
 814         new->len = resp_len;
 815         memcpy(new->data, resp, resp_len);
 816
 817         if (csa)
 818                 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
 819                        csa->n_counter_offsets_presp *
 820                        sizeof(new->csa_counter_offsets[0]));
 821
 822         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 823         if (old)
 824                 kfree_rcu(old, rcu_head);
 825
 826         return 0;
 827 }
 828
 829 static int ieee80211_set_ftm_responder_params(
 830                                 struct ieee80211_sub_if_data *sdata,
 831                                 const u8 *lci, size_t lci_len,
 832                                 const u8 *civicloc, size_t civicloc_len)
 833 {
 834         struct ieee80211_ftm_responder_params *new, *old;
 835         struct ieee80211_bss_conf *bss_conf;
 836         u8 *pos;
 837         int len;
 838
 839         if (!lci_len && !civicloc_len)
 840                 return 0;
 841
 842         bss_conf = &sdata->vif.bss_conf;
 843         old = bss_conf->ftmr_params;
 844         len = lci_len + civicloc_len;
 845
 846         new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
 847         if (!new)
 848                 return -ENOMEM;
 849
 850         pos = (u8 *)(new + 1);
 851         if (lci_len) {
 852                 new->lci_len = lci_len;
 853                 new->lci = pos;
 854                 memcpy(pos, lci, lci_len);
 855                 pos += lci_len;
 856         }
 857
 858         if (civicloc_len) {
 859                 new->civicloc_len = civicloc_len;
 860                 new->civicloc = pos;
 861                 memcpy(pos, civicloc, civicloc_len);
 862                 pos += civicloc_len;
 863         }
 864
 865         bss_conf->ftmr_params = new;
 866         kfree(old);
 867
 868         return 0;
 869 }
 870
 871 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 872                                    struct cfg80211_beacon_data *params,
 873                                    const struct ieee80211_csa_settings *csa)
 874 {
 875         struct beacon_data *new, *old;
 876         int new_head_len, new_tail_len;
 877         int size, err;
 878         u32 changed = BSS_CHANGED_BEACON;
 879
 880         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 881
 882
 883         /* Need to have a beacon head if we don't have one yet */
 884         if (!params->head && !old)
 885                 return -EINVAL;
 886
 887         /* new or old head? */
 888         if (params->head)
 889                 new_head_len = params->head_len;
 890         else
 891                 new_head_len = old->head_len;
 892
 893         /* new or old tail? */
 894         if (params->tail || !old)
 895                 /* params->tail_len will be zero for !params->tail */
 896                 new_tail_len = params->tail_len;
 897         else
 898                 new_tail_len = old->tail_len;
 899
 900         size = sizeof(*new) + new_head_len + new_tail_len;
 901
 902         new = kzalloc(size, GFP_KERNEL);
 903         if (!new)
 904                 return -ENOMEM;
 905
 906         /* start filling the new info now */
 907
 908         /*
 909          * pointers go into the block we allocated,
 910          * memory is | beacon_data | head | tail |
 911          */
 912         new->head = ((u8 *) new) + sizeof(*new);
 913         new->tail = new->head + new_head_len;
 914         new->head_len = new_head_len;
 915         new->tail_len = new_tail_len;
 916
 917         if (csa) {
 918                 new->csa_current_counter = csa->count;
 919                 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
 920                        csa->n_counter_offsets_beacon *
 921                        sizeof(new->csa_counter_offsets[0]));
 922         }
 923
 924         /* copy in head */
 925         if (params->head)
 926                 memcpy(new->head, params->head, new_head_len);
 927         else
 928                 memcpy(new->head, old->head, new_head_len);
 929
 930         /* copy in optional tail */
 931         if (params->tail)
 932                 memcpy(new->tail, params->tail, new_tail_len);
 933         else
 934                 if (old)
 935                         memcpy(new->tail, old->tail, new_tail_len);
 936
 937         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 938                                        params->probe_resp_len, csa);
 939         if (err < 0) {
 940                 kfree(new);
 941                 return err;
 942         }
 943         if (err == 0)
 944                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 945
 946         if (params->ftm_responder != -1) {
 947                 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
 948                 err = ieee80211_set_ftm_responder_params(sdata,
 949                                                          params->lci,
 950                                                          params->lci_len,
 951                                                          params->civicloc,
 952                                                          params->civicloc_len);
 953
 954                 if (err < 0) {
 955                         kfree(new);
 956                         return err;
 957                 }
 958
 959                 changed |= BSS_CHANGED_FTM_RESPONDER;
 960         }
 961
 962         rcu_assign_pointer(sdata->u.ap.beacon, new);
 963
 964         if (old)
 965                 kfree_rcu(old, rcu_head);
 966
 967         return changed;
 968 }
 969
 970 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 971                               struct cfg80211_ap_settings *params)
 972 {
 973         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 974         struct ieee80211_local *local = sdata->local;
 975         struct beacon_data *old;
 976         struct ieee80211_sub_if_data *vlan;
 977         u32 changed = BSS_CHANGED_BEACON_INT |
 978                       BSS_CHANGED_BEACON_ENABLED |
 979                       BSS_CHANGED_BEACON |
 980                       BSS_CHANGED_SSID |
 981                       BSS_CHANGED_P2P_PS |
 982                       BSS_CHANGED_TXPOWER |
 983                       BSS_CHANGED_TWT |
 984                       BSS_CHANGED_HE_OBSS_PD;
 985         int err;
 986         int prev_beacon_int;
 987
 988         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 989         if (old)
 990                 return -EALREADY;
 991
 992         switch (params->smps_mode) {
 993         case NL80211_SMPS_OFF:
 994                 sdata->smps_mode = IEEE80211_SMPS_OFF;
 995                 break;
 996         case NL80211_SMPS_STATIC:
 997                 sdata->smps_mode = IEEE80211_SMPS_STATIC;
 998                 break;
 999         case NL80211_SMPS_DYNAMIC:
1000                 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
1001                 break;
1002         default:
1003                 return -EINVAL;
1004         }
1005         sdata->u.ap.req_smps = sdata->smps_mode;
1006
1007         sdata->needed_rx_chains = sdata->local->rx_chains;
1008
1009         prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1010         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1011
1012         if (params->he_cap)
1013                 sdata->vif.bss_conf.he_support = true;
1014
1015         mutex_lock(&local->mtx);
1016         err = ieee80211_vif_use_channel(sdata, &params->chandef,
1017                                         IEEE80211_CHANCTX_SHARED);
1018         if (!err)
1019                 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1020         mutex_unlock(&local->mtx);
1021         if (err) {
1022                 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1023                 return err;
1024         }
1025
1026         /*
1027          * Apply control port protocol, this allows us to
1028          * not encrypt dynamic WEP control frames.
1029          */
1030         sdata->control_port_protocol = params->crypto.control_port_ethertype;
1031         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1032         sdata->control_port_over_nl80211 =
1033                                 params->crypto.control_port_over_nl80211;
1034         sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1035                                                         &params->crypto,
1036                                                         sdata->vif.type);
1037
1038         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1039                 vlan->control_port_protocol =
1040                         params->crypto.control_port_ethertype;
1041                 vlan->control_port_no_encrypt =
1042                         params->crypto.control_port_no_encrypt;
1043                 vlan->control_port_over_nl80211 =
1044                         params->crypto.control_port_over_nl80211;
1045                 vlan->encrypt_headroom =
1046                         ieee80211_cs_headroom(sdata->local,
1047                                               &params->crypto,
1048                                               vlan->vif.type);
1049         }
1050
1051         sdata->vif.bss_conf.dtim_period = params->dtim_period;
1052         sdata->vif.bss_conf.enable_beacon = true;
1053         sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1054         sdata->vif.bss_conf.twt_responder = params->twt_responder;
1055         memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1056                sizeof(struct ieee80211_he_obss_pd));
1057
1058         sdata->vif.bss_conf.ssid_len = params->ssid_len;
1059         if (params->ssid_len)
1060                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1061                        params->ssid_len);
1062         sdata->vif.bss_conf.hidden_ssid =
1063                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1064
1065         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1066                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1067         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1068                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1069         if (params->p2p_opp_ps)
1070                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1071                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1072
1073         err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1074         if (err < 0) {
1075                 ieee80211_vif_release_channel(sdata);
1076                 return err;
1077         }
1078         changed |= err;
1079
1080         err = drv_start_ap(sdata->local, sdata);
1081         if (err) {
1082                 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1083
1084                 if (old)
1085                         kfree_rcu(old, rcu_head);
1086                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1087                 ieee80211_vif_release_channel(sdata);
1088                 return err;
1089         }
1090
1091         ieee80211_recalc_dtim(local, sdata);
1092         ieee80211_bss_info_change_notify(sdata, changed);
1093
1094         netif_carrier_on(dev);
1095         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1096                 netif_carrier_on(vlan->dev);
1097
1098         return 0;
1099 }
1100
1101 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1102                                    struct cfg80211_beacon_data *params)
1103 {
1104         struct ieee80211_sub_if_data *sdata;
1105         struct beacon_data *old;
1106         int err;
1107
1108         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1109         sdata_assert_lock(sdata);
1110
1111         /* don't allow changing the beacon while CSA is in place - offset
1112          * of channel switch counter may change
1113          */
1114         if (sdata->vif.csa_active)
1115                 return -EBUSY;
1116
1117         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1118         if (!old)
1119                 return -ENOENT;
1120
1121         err = ieee80211_assign_beacon(sdata, params, NULL);
1122         if (err < 0)
1123                 return err;
1124         ieee80211_bss_info_change_notify(sdata, err);
1125         return 0;
1126 }
1127
1128 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1129 {
1130         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1131         struct ieee80211_sub_if_data *vlan;
1132         struct ieee80211_local *local = sdata->local;
1133         struct beacon_data *old_beacon;
1134         struct probe_resp *old_probe_resp;
1135         struct cfg80211_chan_def chandef;
1136
1137         sdata_assert_lock(sdata);
1138
1139         old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1140         if (!old_beacon)
1141                 return -ENOENT;
1142         old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1143
1144         /* abort any running channel switch */
1145         mutex_lock(&local->mtx);
1146         sdata->vif.csa_active = false;
1147         if (sdata->csa_block_tx) {
1148                 ieee80211_wake_vif_queues(local, sdata,
1149                                           IEEE80211_QUEUE_STOP_REASON_CSA);
1150                 sdata->csa_block_tx = false;
1151         }
1152
1153         mutex_unlock(&local->mtx);
1154
1155         kfree(sdata->u.ap.next_beacon);
1156         sdata->u.ap.next_beacon = NULL;
1157
1158         /* turn off carrier for this interface and dependent VLANs */
1159         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1160                 netif_carrier_off(vlan->dev);
1161         netif_carrier_off(dev);
1162
1163         /* remove beacon and probe response */
1164         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1165         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1166         kfree_rcu(old_beacon, rcu_head);
1167         if (old_probe_resp)
1168                 kfree_rcu(old_probe_resp, rcu_head);
1169         sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1170
1171         kfree(sdata->vif.bss_conf.ftmr_params);
1172         sdata->vif.bss_conf.ftmr_params = NULL;
1173
1174         __sta_info_flush(sdata, true);
1175         ieee80211_free_keys(sdata, true);
1176
1177         sdata->vif.bss_conf.enable_beacon = false;
1178         sdata->vif.bss_conf.ssid_len = 0;
1179         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1180         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1181
1182         if (sdata->wdev.cac_started) {
1183                 chandef = sdata->vif.bss_conf.chandef;
1184                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1185                 cfg80211_cac_event(sdata->dev, &chandef,
1186                                    NL80211_RADAR_CAC_ABORTED,
1187                                    GFP_KERNEL);
1188         }
1189
1190         drv_stop_ap(sdata->local, sdata);
1191
1192         /* free all potentially still buffered bcast frames */
1193         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1194         ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1195
1196         mutex_lock(&local->mtx);
1197         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1198         ieee80211_vif_release_channel(sdata);
1199         mutex_unlock(&local->mtx);
1200
1201         return 0;
1202 }
1203
1204 static int sta_apply_auth_flags(struct ieee80211_local *local,
1205                                 struct sta_info *sta,
1206                                 u32 mask, u32 set)
1207 {
1208         int ret;
1209
1210         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1211             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1212             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1213                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1214                 if (ret)
1215                         return ret;
1216         }
1217
1218         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1219             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1220             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1221                 /*
1222                  * When peer becomes associated, init rate control as
1223                  * well. Some drivers require rate control initialized
1224                  * before drv_sta_state() is called.
1225                  */
1226                 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1227                         rate_control_rate_init(sta);
1228
1229                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1230                 if (ret)
1231                         return ret;
1232         }
1233
1234         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1235                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1236                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1237                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1238                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1239                 else
1240                         ret = 0;
1241                 if (ret)
1242                         return ret;
1243         }
1244
1245         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1246             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1247             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1248                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1249                 if (ret)
1250                         return ret;
1251         }
1252
1253         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1254             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1255             test_sta_flag(sta, WLAN_STA_AUTH)) {
1256                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1257                 if (ret)
1258                         return ret;
1259         }
1260
1261         return 0;
1262 }
1263
1264 static void sta_apply_mesh_params(struct ieee80211_local *local,
1265                                   struct sta_info *sta,
1266                                   struct station_parameters *params)
1267 {
1268 #ifdef CONFIG_MAC80211_MESH
1269         struct ieee80211_sub_if_data *sdata = sta->sdata;
1270         u32 changed = 0;
1271
1272         if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1273                 switch (params->plink_state) {
1274                 case NL80211_PLINK_ESTAB:
1275                         if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1276                                 changed = mesh_plink_inc_estab_count(sdata);
1277                         sta->mesh->plink_state = params->plink_state;
1278                         sta->mesh->aid = params->peer_aid;
1279
1280                         ieee80211_mps_sta_status_update(sta);
1281                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1282                                       sdata->u.mesh.mshcfg.power_mode);
1283
1284                         ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1285                         /* init at low value */
1286                         ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1287
1288                         break;
1289                 case NL80211_PLINK_LISTEN:
1290                 case NL80211_PLINK_BLOCKED:
1291                 case NL80211_PLINK_OPN_SNT:
1292                 case NL80211_PLINK_OPN_RCVD:
1293                 case NL80211_PLINK_CNF_RCVD:
1294                 case NL80211_PLINK_HOLDING:
1295                         if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1296                                 changed = mesh_plink_dec_estab_count(sdata);
1297                         sta->mesh->plink_state = params->plink_state;
1298
1299                         ieee80211_mps_sta_status_update(sta);
1300                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1301                                         NL80211_MESH_POWER_UNKNOWN);
1302                         break;
1303                 default:
1304                         /*  nothing  */
1305                         break;
1306                 }
1307         }
1308
1309         switch (params->plink_action) {
1310         case NL80211_PLINK_ACTION_NO_ACTION:
1311                 /* nothing */
1312                 break;
1313         case NL80211_PLINK_ACTION_OPEN:
1314                 changed |= mesh_plink_open(sta);
1315                 break;
1316         case NL80211_PLINK_ACTION_BLOCK:
1317                 changed |= mesh_plink_block(sta);
1318                 break;
1319         }
1320
1321         if (params->local_pm)
1322                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1323                                                           params->local_pm);
1324
1325         ieee80211_mbss_info_change_notify(sdata, changed);
1326 #endif
1327 }
1328
1329 static int sta_apply_parameters(struct ieee80211_local *local,
1330                                 struct sta_info *sta,
1331                                 struct station_parameters *params)
1332 {
1333         int ret = 0;
1334         struct ieee80211_supported_band *sband;
1335         struct ieee80211_sub_if_data *sdata = sta->sdata;
1336         u32 mask, set;
1337
1338         sband = ieee80211_get_sband(sdata);
1339         if (!sband)
1340                 return -EINVAL;
1341
1342         mask = params->sta_flags_mask;
1343         set = params->sta_flags_set;
1344
1345         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1346                 /*
1347                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1348                  * API but must follow AUTHENTICATED for driver state.
1349                  */
1350                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1351                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1352                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1353                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1354         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1355                 /*
1356                  * TDLS -- everything follows authorized, but
1357                  * only becoming authorized is possible, not
1358                  * going back
1359                  */
1360                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1361                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1362                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1363                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1364                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1365                 }
1366         }
1367
1368         if (mask & BIT(NL80211_STA_FLAG_WME) &&
1369             local->hw.queues >= IEEE80211_NUM_ACS)
1370                 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1371
1372         /* auth flags will be set later for TDLS,
1373          * and for unassociated stations that move to assocaited */
1374         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1375             !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1376               (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1377                 ret = sta_apply_auth_flags(local, sta, mask, set);
1378                 if (ret)
1379                         return ret;
1380         }
1381
1382         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1383                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1384                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1385                 else
1386                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1387         }
1388
1389         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1390                 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1391                 if (set & BIT(NL80211_STA_FLAG_MFP))
1392                         set_sta_flag(sta, WLAN_STA_MFP);
1393                 else
1394                         clear_sta_flag(sta, WLAN_STA_MFP);
1395         }
1396
1397         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1398                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1399                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1400                 else
1401                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1402         }
1403
1404         /* mark TDLS channel switch support, if the AP allows it */
1405         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1406             !sdata->u.mgd.tdls_chan_switch_prohibited &&
1407             params->ext_capab_len >= 4 &&
1408             params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1409                 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1410
1411         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1412             !sdata->u.mgd.tdls_wider_bw_prohibited &&
1413             ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1414             params->ext_capab_len >= 8 &&
1415             params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1416                 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1417
1418         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1419                 sta->sta.uapsd_queues = params->uapsd_queues;
1420                 sta->sta.max_sp = params->max_sp;
1421         }
1422
1423         /* The sender might not have sent the last bit, consider it to be 0 */
1424         if (params->ext_capab_len >= 8) {
1425                 u8 val = (params->ext_capab[7] &
1426                           WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1427
1428                 /* we did get all the bits, take the MSB as well */
1429                 if (params->ext_capab_len >= 9) {
1430                         u8 val_msb = params->ext_capab[8] &
1431                                 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1432                         val_msb <<= 1;
1433                         val |= val_msb;
1434                 }
1435
1436                 switch (val) {
1437                 case 1:
1438                         sta->sta.max_amsdu_subframes = 32;
1439                         break;
1440                 case 2:
1441                         sta->sta.max_amsdu_subframes = 16;
1442                         break;
1443                 case 3:
1444                         sta->sta.max_amsdu_subframes = 8;
1445                         break;
1446                 default:
1447                         sta->sta.max_amsdu_subframes = 0;
1448                 }
1449         }
1450
1451         /*
1452          * cfg80211 validates this (1-2007) and allows setting the AID
1453          * only when creating a new station entry
1454          */
1455         if (params->aid)
1456                 sta->sta.aid = params->aid;
1457
1458         /*
1459          * Some of the following updates would be racy if called on an
1460          * existing station, via ieee80211_change_station(). However,
1461          * all such changes are rejected by cfg80211 except for updates
1462          * changing the supported rates on an existing but not yet used
1463          * TDLS peer.
1464          */
1465
1466         if (params->listen_interval >= 0)
1467                 sta->listen_interval = params->listen_interval;
1468
1469         if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1470                 sta->sta.txpwr.type = params->txpwr.type;
1471                 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1472                         sta->sta.txpwr.power = params->txpwr.power;
1473                 ret = drv_sta_set_txpwr(local, sdata, sta);
1474                 if (ret)
1475                         return ret;
1476         }
1477
1478         if (params->supported_rates && params->supported_rates_len) {
1479                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1480                                          sband, params->supported_rates,
1481                                          params->supported_rates_len,
1482                                          &sta->sta.supp_rates[sband->band]);
1483         }
1484
1485         if (params->ht_capa)
1486                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1487                                                   params->ht_capa, sta);
1488
1489         /* VHT can override some HT caps such as the A-MSDU max length */
1490         if (params->vht_capa)
1491                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1492                                                     params->vht_capa, sta);
1493
1494         if (params->he_capa)
1495                 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1496                                                   (void *)params->he_capa,
1497                                                   params->he_capa_len, sta);
1498
1499         if (params->opmode_notif_used) {
1500                 /* returned value is only needed for rc update, but the
1501                  * rc isn't initialized here yet, so ignore it
1502                  */
1503                 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1504                                               sband->band);
1505         }
1506
1507         if (params->support_p2p_ps >= 0)
1508                 sta->sta.support_p2p_ps = params->support_p2p_ps;
1509
1510         if (ieee80211_vif_is_mesh(&sdata->vif))
1511                 sta_apply_mesh_params(local, sta, params);
1512
1513         if (params->airtime_weight)
1514                 sta->airtime_weight = params->airtime_weight;
1515
1516         /* set the STA state after all sta info from usermode has been set */
1517         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1518             set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1519                 ret = sta_apply_auth_flags(local, sta, mask, set);
1520                 if (ret)
1521                         return ret;
1522         }
1523
1524         return 0;
1525 }
1526
1527 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1528                                  const u8 *mac,
1529                                  struct station_parameters *params)
1530 {
1531         struct ieee80211_local *local = wiphy_priv(wiphy);
1532         struct sta_info *sta;
1533         struct ieee80211_sub_if_data *sdata;
1534         int err;
1535
1536         if (params->vlan) {
1537                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1538
1539                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1540                     sdata->vif.type != NL80211_IFTYPE_AP)
1541                         return -EINVAL;
1542         } else
1543                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1544
1545         if (ether_addr_equal(mac, sdata->vif.addr))
1546                 return -EINVAL;
1547
1548         if (!is_valid_ether_addr(mac))
1549                 return -EINVAL;
1550
1551         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1552             sdata->vif.type == NL80211_IFTYPE_STATION &&
1553             !sdata->u.mgd.associated)
1554                 return -EINVAL;
1555
1556         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1557         if (!sta)
1558                 return -ENOMEM;
1559
1560         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1561                 sta->sta.tdls = true;
1562
1563         err = sta_apply_parameters(local, sta, params);
1564         if (err) {
1565                 sta_info_free(local, sta);
1566                 return err;
1567         }
1568
1569         /*
1570          * for TDLS and for unassociated station, rate control should be
1571          * initialized only when rates are known and station is marked
1572          * authorized/associated
1573          */
1574         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1575             test_sta_flag(sta, WLAN_STA_ASSOC))
1576                 rate_control_rate_init(sta);
1577
1578         err = sta_info_insert_rcu(sta);
1579         if (err) {
1580                 rcu_read_unlock();
1581                 return err;
1582         }
1583
1584         rcu_read_unlock();
1585
1586         return 0;
1587 }
1588
1589 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1590                                  struct station_del_parameters *params)
1591 {
1592         struct ieee80211_sub_if_data *sdata;
1593
1594         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1595
1596         if (params->mac)
1597                 return sta_info_destroy_addr_bss(sdata, params->mac);
1598
1599         sta_info_flush(sdata);
1600         return 0;
1601 }
1602
1603 static int ieee80211_change_station(struct wiphy *wiphy,
1604                                     struct net_device *dev, const u8 *mac,
1605                                     struct station_parameters *params)
1606 {
1607         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1608         struct ieee80211_local *local = wiphy_priv(wiphy);
1609         struct sta_info *sta;
1610         struct ieee80211_sub_if_data *vlansdata;
1611         enum cfg80211_station_type statype;
1612         int err;
1613
1614         mutex_lock(&local->sta_mtx);
1615
1616         sta = sta_info_get_bss(sdata, mac);
1617         if (!sta) {
1618                 err = -ENOENT;
1619                 goto out_err;
1620         }
1621
1622         switch (sdata->vif.type) {
1623         case NL80211_IFTYPE_MESH_POINT:
1624                 if (sdata->u.mesh.user_mpm)
1625                         statype = CFG80211_STA_MESH_PEER_USER;
1626                 else
1627                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1628                 break;
1629         case NL80211_IFTYPE_ADHOC:
1630                 statype = CFG80211_STA_IBSS;
1631                 break;
1632         case NL80211_IFTYPE_STATION:
1633                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1634                         statype = CFG80211_STA_AP_STA;
1635                         break;
1636                 }
1637                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1638                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1639                 else
1640                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1641                 break;
1642         case NL80211_IFTYPE_AP:
1643         case NL80211_IFTYPE_AP_VLAN:
1644                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1645                         statype = CFG80211_STA_AP_CLIENT;
1646                 else
1647                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1648                 break;
1649         default:
1650                 err = -EOPNOTSUPP;
1651                 goto out_err;
1652         }
1653
1654         err = cfg80211_check_station_change(wiphy, params, statype);
1655         if (err)
1656                 goto out_err;
1657
1658         if (params->vlan && params->vlan != sta->sdata->dev) {
1659                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1660
1661                 if (params->vlan->ieee80211_ptr->use_4addr) {
1662                         if (vlansdata->u.vlan.sta) {
1663                                 err = -EBUSY;
1664                                 goto out_err;
1665                         }
1666
1667                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1668                         __ieee80211_check_fast_rx_iface(vlansdata);
1669                 }
1670
1671                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1672                     sta->sdata->u.vlan.sta)
1673                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1674
1675                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1676                         ieee80211_vif_dec_num_mcast(sta->sdata);
1677
1678                 sta->sdata = vlansdata;
1679                 ieee80211_check_fast_xmit(sta);
1680
1681                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1682                         ieee80211_vif_inc_num_mcast(sta->sdata);
1683                         cfg80211_send_layer2_update(sta->sdata->dev,
1684                                                     sta->sta.addr);
1685                 }
1686         }
1687
1688         err = sta_apply_parameters(local, sta, params);
1689         if (err)
1690                 goto out_err;
1691
1692         mutex_unlock(&local->sta_mtx);
1693
1694         if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1695              sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1696             sta->known_smps_mode != sta->sdata->bss->req_smps &&
1697             test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1698             sta_info_tx_streams(sta) != 1) {
1699                 ht_dbg(sta->sdata,
1700                        "%pM just authorized and MIMO capable - update SMPS\n",
1701                        sta->sta.addr);
1702                 ieee80211_send_smps_action(sta->sdata,
1703                         sta->sdata->bss->req_smps,
1704                         sta->sta.addr,
1705                         sta->sdata->vif.bss_conf.bssid);
1706         }
1707
1708         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1709             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1710                 ieee80211_recalc_ps(local);
1711                 ieee80211_recalc_ps_vif(sdata);
1712         }
1713
1714         return 0;
1715 out_err:
1716         mutex_unlock(&local->sta_mtx);
1717         return err;
1718 }
1719
1720 #ifdef CONFIG_MAC80211_MESH
1721 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1722                                const u8 *dst, const u8 *next_hop)
1723 {
1724         struct ieee80211_sub_if_data *sdata;
1725         struct mesh_path *mpath;
1726         struct sta_info *sta;
1727
1728         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1729
1730         rcu_read_lock();
1731         sta = sta_info_get(sdata, next_hop);
1732         if (!sta) {
1733                 rcu_read_unlock();
1734                 return -ENOENT;
1735         }
1736
1737         mpath = mesh_path_add(sdata, dst);
1738         if (IS_ERR(mpath)) {
1739                 rcu_read_unlock();
1740                 return PTR_ERR(mpath);
1741         }
1742
1743         mesh_path_fix_nexthop(mpath, sta);
1744
1745         rcu_read_unlock();
1746         return 0;
1747 }
1748
1749 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1750                                const u8 *dst)
1751 {
1752         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1753
1754         if (dst)
1755                 return mesh_path_del(sdata, dst);
1756
1757         mesh_path_flush_by_iface(sdata);
1758         return 0;
1759 }
1760
1761 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1762                                   const u8 *dst, const u8 *next_hop)
1763 {
1764         struct ieee80211_sub_if_data *sdata;
1765         struct mesh_path *mpath;
1766         struct sta_info *sta;
1767
1768         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769
1770         rcu_read_lock();
1771
1772         sta = sta_info_get(sdata, next_hop);
1773         if (!sta) {
1774                 rcu_read_unlock();
1775                 return -ENOENT;
1776         }
1777
1778         mpath = mesh_path_lookup(sdata, dst);
1779         if (!mpath) {
1780                 rcu_read_unlock();
1781                 return -ENOENT;
1782         }
1783
1784         mesh_path_fix_nexthop(mpath, sta);
1785
1786         rcu_read_unlock();
1787         return 0;
1788 }
1789
1790 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1791                             struct mpath_info *pinfo)
1792 {
1793         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1794
1795         if (next_hop_sta)
1796                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1797         else
1798                 eth_zero_addr(next_hop);
1799
1800         memset(pinfo, 0, sizeof(*pinfo));
1801
1802         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1803
1804         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1805                         MPATH_INFO_SN |
1806                         MPATH_INFO_METRIC |
1807                         MPATH_INFO_EXPTIME |
1808                         MPATH_INFO_DISCOVERY_TIMEOUT |
1809                         MPATH_INFO_DISCOVERY_RETRIES |
1810                         MPATH_INFO_FLAGS |
1811                         MPATH_INFO_HOP_COUNT |
1812                         MPATH_INFO_PATH_CHANGE;
1813
1814         pinfo->frame_qlen = mpath->frame_queue.qlen;
1815         pinfo->sn = mpath->sn;
1816         pinfo->metric = mpath->metric;
1817         if (time_before(jiffies, mpath->exp_time))
1818                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1819         pinfo->discovery_timeout =
1820                         jiffies_to_msecs(mpath->discovery_timeout);
1821         pinfo->discovery_retries = mpath->discovery_retries;
1822         if (mpath->flags & MESH_PATH_ACTIVE)
1823                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1824         if (mpath->flags & MESH_PATH_RESOLVING)
1825                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1826         if (mpath->flags & MESH_PATH_SN_VALID)
1827                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1828         if (mpath->flags & MESH_PATH_FIXED)
1829                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1830         if (mpath->flags & MESH_PATH_RESOLVED)
1831                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1832         pinfo->hop_count = mpath->hop_count;
1833         pinfo->path_change_count = mpath->path_change_count;
1834 }
1835
1836 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1837                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1838
1839 {
1840         struct ieee80211_sub_if_data *sdata;
1841         struct mesh_path *mpath;
1842
1843         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1844
1845         rcu_read_lock();
1846         mpath = mesh_path_lookup(sdata, dst);
1847         if (!mpath) {
1848                 rcu_read_unlock();
1849                 return -ENOENT;
1850         }
1851         memcpy(dst, mpath->dst, ETH_ALEN);
1852         mpath_set_pinfo(mpath, next_hop, pinfo);
1853         rcu_read_unlock();
1854         return 0;
1855 }
1856
1857 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1858                                 int idx, u8 *dst, u8 *next_hop,
1859                                 struct mpath_info *pinfo)
1860 {
1861         struct ieee80211_sub_if_data *sdata;
1862         struct mesh_path *mpath;
1863
1864         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1865
1866         rcu_read_lock();
1867         mpath = mesh_path_lookup_by_idx(sdata, idx);
1868         if (!mpath) {
1869                 rcu_read_unlock();
1870                 return -ENOENT;
1871         }
1872         memcpy(dst, mpath->dst, ETH_ALEN);
1873         mpath_set_pinfo(mpath, next_hop, pinfo);
1874         rcu_read_unlock();
1875         return 0;
1876 }
1877
1878 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1879                           struct mpath_info *pinfo)
1880 {
1881         memset(pinfo, 0, sizeof(*pinfo));
1882         memcpy(mpp, mpath->mpp, ETH_ALEN);
1883
1884         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1885 }
1886
1887 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1888                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1889
1890 {
1891         struct ieee80211_sub_if_data *sdata;
1892         struct mesh_path *mpath;
1893
1894         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1895
1896         rcu_read_lock();
1897         mpath = mpp_path_lookup(sdata, dst);
1898         if (!mpath) {
1899                 rcu_read_unlock();
1900                 return -ENOENT;
1901         }
1902         memcpy(dst, mpath->dst, ETH_ALEN);
1903         mpp_set_pinfo(mpath, mpp, pinfo);
1904         rcu_read_unlock();
1905         return 0;
1906 }
1907
1908 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1909                               int idx, u8 *dst, u8 *mpp,
1910                               struct mpath_info *pinfo)
1911 {
1912         struct ieee80211_sub_if_data *sdata;
1913         struct mesh_path *mpath;
1914
1915         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1916
1917         rcu_read_lock();
1918         mpath = mpp_path_lookup_by_idx(sdata, idx);
1919         if (!mpath) {
1920                 rcu_read_unlock();
1921                 return -ENOENT;
1922         }
1923         memcpy(dst, mpath->dst, ETH_ALEN);
1924         mpp_set_pinfo(mpath, mpp, pinfo);
1925         rcu_read_unlock();
1926         return 0;
1927 }
1928
1929 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1930                                 struct net_device *dev,
1931                                 struct mesh_config *conf)
1932 {
1933         struct ieee80211_sub_if_data *sdata;
1934         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1935
1936         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1937         return 0;
1938 }
1939
1940 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1941 {
1942         return (mask >> (parm-1)) & 0x1;
1943 }
1944
1945 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1946                 const struct mesh_setup *setup)
1947 {
1948         u8 *new_ie;
1949         const u8 *old_ie;
1950         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1951                                         struct ieee80211_sub_if_data, u.mesh);
1952
1953         /* allocate information elements */
1954         new_ie = NULL;
1955         old_ie = ifmsh->ie;
1956
1957         if (setup->ie_len) {
1958                 new_ie = kmemdup(setup->ie, setup->ie_len,
1959                                 GFP_KERNEL);
1960                 if (!new_ie)
1961                         return -ENOMEM;
1962         }
1963         ifmsh->ie_len = setup->ie_len;
1964         ifmsh->ie = new_ie;
1965         kfree(old_ie);
1966
1967         /* now copy the rest of the setup parameters */
1968         ifmsh->mesh_id_len = setup->mesh_id_len;
1969         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1970         ifmsh->mesh_sp_id = setup->sync_method;
1971         ifmsh->mesh_pp_id = setup->path_sel_proto;
1972         ifmsh->mesh_pm_id = setup->path_metric;
1973         ifmsh->user_mpm = setup->user_mpm;
1974         ifmsh->mesh_auth_id = setup->auth_id;
1975         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1976         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1977         if (setup->is_authenticated)
1978                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1979         if (setup->is_secure)
1980                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1981
1982         /* mcast rate setting in Mesh Node */
1983         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1984                                                 sizeof(setup->mcast_rate));
1985         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1986
1987         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1988         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1989
1990         return 0;
1991 }
1992
1993 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1994                                         struct net_device *dev, u32 mask,
1995                                         const struct mesh_config *nconf)
1996 {
1997         struct mesh_config *conf;
1998         struct ieee80211_sub_if_data *sdata;
1999         struct ieee80211_if_mesh *ifmsh;
2000
2001         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2002         ifmsh = &sdata->u.mesh;
2003
2004         /* Set the config options which we are interested in setting */
2005         conf = &(sdata->u.mesh.mshcfg);
2006         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2007                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2008         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2009                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2010         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2011                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2012         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2013                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2014         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2015                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2016         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2017                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2018         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2019                 conf->element_ttl = nconf->element_ttl;
2020         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2021                 if (ifmsh->user_mpm)
2022                         return -EBUSY;
2023                 conf->auto_open_plinks = nconf->auto_open_plinks;
2024         }
2025         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2026                 conf->dot11MeshNbrOffsetMaxNeighbor =
2027                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2028         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2029                 conf->dot11MeshHWMPmaxPREQretries =
2030                         nconf->dot11MeshHWMPmaxPREQretries;
2031         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2032                 conf->path_refresh_time = nconf->path_refresh_time;
2033         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2034                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2035         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2036                 conf->dot11MeshHWMPactivePathTimeout =
2037                         nconf->dot11MeshHWMPactivePathTimeout;
2038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2039                 conf->dot11MeshHWMPpreqMinInterval =
2040                         nconf->dot11MeshHWMPpreqMinInterval;
2041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2042                 conf->dot11MeshHWMPperrMinInterval =
2043                         nconf->dot11MeshHWMPperrMinInterval;
2044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2045                            mask))
2046                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2047                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2049                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2050                 ieee80211_mesh_root_setup(ifmsh);
2051         }
2052         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2053                 /* our current gate announcement implementation rides on root
2054                  * announcements, so require this ifmsh to also be a root node
2055                  * */
2056                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2057                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2058                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2059                         ieee80211_mesh_root_setup(ifmsh);
2060                 }
2061                 conf->dot11MeshGateAnnouncementProtocol =
2062                         nconf->dot11MeshGateAnnouncementProtocol;
2063         }
2064         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2065                 conf->dot11MeshHWMPRannInterval =
2066                         nconf->dot11MeshHWMPRannInterval;
2067         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2068                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2069         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2070                 /* our RSSI threshold implementation is supported only for
2071                  * devices that report signal in dBm.
2072                  */
2073                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2074                         return -ENOTSUPP;
2075                 conf->rssi_threshold = nconf->rssi_threshold;
2076         }
2077         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2078                 conf->ht_opmode = nconf->ht_opmode;
2079                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2080                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2081         }
2082         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2083                 conf->dot11MeshHWMPactivePathToRootTimeout =
2084                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2085         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2086                 conf->dot11MeshHWMProotInterval =
2087                         nconf->dot11MeshHWMProotInterval;
2088         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2089                 conf->dot11MeshHWMPconfirmationInterval =
2090                         nconf->dot11MeshHWMPconfirmationInterval;
2091         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2092                 conf->power_mode = nconf->power_mode;
2093                 ieee80211_mps_local_status_update(sdata);
2094         }
2095         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2096                 conf->dot11MeshAwakeWindowDuration =
2097                         nconf->dot11MeshAwakeWindowDuration;
2098         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2099                 conf->plink_timeout = nconf->plink_timeout;
2100         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2101                 conf->dot11MeshConnectedToMeshGate =
2102                         nconf->dot11MeshConnectedToMeshGate;
2103         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2104         return 0;
2105 }
2106
2107 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2108                                const struct mesh_config *conf,
2109                                const struct mesh_setup *setup)
2110 {
2111         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2112         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2113         int err;
2114
2115         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2116         err = copy_mesh_setup(ifmsh, setup);
2117         if (err)
2118                 return err;
2119
2120         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2121
2122         /* can mesh use other SMPS modes? */
2123         sdata->smps_mode = IEEE80211_SMPS_OFF;
2124         sdata->needed_rx_chains = sdata->local->rx_chains;
2125
2126         mutex_lock(&sdata->local->mtx);
2127         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2128                                         IEEE80211_CHANCTX_SHARED);
2129         mutex_unlock(&sdata->local->mtx);
2130         if (err)
2131                 return err;
2132
2133         return ieee80211_start_mesh(sdata);
2134 }
2135
2136 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2137 {
2138         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2139
2140         ieee80211_stop_mesh(sdata);
2141         mutex_lock(&sdata->local->mtx);
2142         ieee80211_vif_release_channel(sdata);
2143         mutex_unlock(&sdata->local->mtx);
2144
2145         return 0;
2146 }
2147 #endif
2148
2149 static int ieee80211_change_bss(struct wiphy *wiphy,
2150                                 struct net_device *dev,
2151                                 struct bss_parameters *params)
2152 {
2153         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2154         struct ieee80211_supported_band *sband;
2155         u32 changed = 0;
2156
2157         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2158                 return -ENOENT;
2159
2160         sband = ieee80211_get_sband(sdata);
2161         if (!sband)
2162                 return -EINVAL;
2163
2164         if (params->use_cts_prot >= 0) {
2165                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2166                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2167         }
2168         if (params->use_short_preamble >= 0) {
2169                 sdata->vif.bss_conf.use_short_preamble =
2170                         params->use_short_preamble;
2171                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2172         }
2173
2174         if (!sdata->vif.bss_conf.use_short_slot &&
2175             sband->band == NL80211_BAND_5GHZ) {
2176                 sdata->vif.bss_conf.use_short_slot = true;
2177                 changed |= BSS_CHANGED_ERP_SLOT;
2178         }
2179
2180         if (params->use_short_slot_time >= 0) {
2181                 sdata->vif.bss_conf.use_short_slot =
2182                         params->use_short_slot_time;
2183                 changed |= BSS_CHANGED_ERP_SLOT;
2184         }
2185
2186         if (params->basic_rates) {
2187                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2188                                          wiphy->bands[sband->band],
2189                                          params->basic_rates,
2190                                          params->basic_rates_len,
2191                                          &sdata->vif.bss_conf.basic_rates);
2192                 changed |= BSS_CHANGED_BASIC_RATES;
2193                 ieee80211_check_rate_mask(sdata);
2194         }
2195
2196         if (params->ap_isolate >= 0) {
2197                 if (params->ap_isolate)
2198                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2199                 else
2200                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2201                 ieee80211_check_fast_rx_iface(sdata);
2202         }
2203
2204         if (params->ht_opmode >= 0) {
2205                 sdata->vif.bss_conf.ht_operation_mode =
2206                         (u16) params->ht_opmode;
2207                 changed |= BSS_CHANGED_HT;
2208         }
2209
2210         if (params->p2p_ctwindow >= 0) {
2211                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2212                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2213                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2214                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2215                 changed |= BSS_CHANGED_P2P_PS;
2216         }
2217
2218         if (params->p2p_opp_ps > 0) {
2219                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2220                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2221                 changed |= BSS_CHANGED_P2P_PS;
2222         } else if (params->p2p_opp_ps == 0) {
2223                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2224                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2225                 changed |= BSS_CHANGED_P2P_PS;
2226         }
2227
2228         ieee80211_bss_info_change_notify(sdata, changed);
2229
2230         return 0;
2231 }
2232
2233 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2234                                     struct net_device *dev,
2235                                     struct ieee80211_txq_params *params)
2236 {
2237         struct ieee80211_local *local = wiphy_priv(wiphy);
2238         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2239         struct ieee80211_tx_queue_params p;
2240
2241         if (!local->ops->conf_tx)
2242                 return -EOPNOTSUPP;
2243
2244         if (local->hw.queues < IEEE80211_NUM_ACS)
2245                 return -EOPNOTSUPP;
2246
2247         memset(&p, 0, sizeof(p));
2248         p.aifs = params->aifs;
2249         p.cw_max = params->cwmax;
2250         p.cw_min = params->cwmin;
2251         p.txop = params->txop;
2252
2253         /*
2254          * Setting tx queue params disables u-apsd because it's only
2255          * called in master mode.
2256          */
2257         p.uapsd = false;
2258
2259         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2260
2261         sdata->tx_conf[params->ac] = p;
2262         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2263                 wiphy_debug(local->hw.wiphy,
2264                             "failed to set TX queue parameters for AC %d\n",
2265                             params->ac);
2266                 return -EINVAL;
2267         }
2268
2269         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2270
2271         return 0;
2272 }
2273
2274 #ifdef CONFIG_PM
2275 static int ieee80211_suspend(struct wiphy *wiphy,
2276                              struct cfg80211_wowlan *wowlan)
2277 {
2278         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2279 }
2280
2281 static int ieee80211_resume(struct wiphy *wiphy)
2282 {
2283         return __ieee80211_resume(wiphy_priv(wiphy));
2284 }
2285 #else
2286 #define ieee80211_suspend NULL
2287 #define ieee80211_resume NULL
2288 #endif
2289
2290 static int ieee80211_scan(struct wiphy *wiphy,
2291                           struct cfg80211_scan_request *req)
2292 {
2293         struct ieee80211_sub_if_data *sdata;
2294
2295         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2296
2297         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2298         case NL80211_IFTYPE_STATION:
2299         case NL80211_IFTYPE_ADHOC:
2300         case NL80211_IFTYPE_MESH_POINT:
2301         case NL80211_IFTYPE_P2P_CLIENT:
2302         case NL80211_IFTYPE_P2P_DEVICE:
2303                 break;
2304         case NL80211_IFTYPE_P2P_GO:
2305                 if (sdata->local->ops->hw_scan)
2306                         break;
2307                 /*
2308                  * FIXME: implement NoA while scanning in software,
2309                  * for now fall through to allow scanning only when
2310                  * beaconing hasn't been configured yet
2311                  */
2312                 /* fall through */
2313         case NL80211_IFTYPE_AP:
2314                 /*
2315                  * If the scan has been forced (and the driver supports
2316                  * forcing), don't care about being beaconing already.
2317                  * This will create problems to the attached stations (e.g. all
2318                  * the  frames sent while scanning on other channel will be
2319                  * lost)
2320                  */
2321                 if (sdata->u.ap.beacon &&
2322                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2323                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2324                         return -EOPNOTSUPP;
2325                 break;
2326         case NL80211_IFTYPE_NAN:
2327         default:
2328                 return -EOPNOTSUPP;
2329         }
2330
2331         return ieee80211_request_scan(sdata, req);
2332 }
2333
2334 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2335 {
2336         ieee80211_scan_cancel(wiphy_priv(wiphy));
2337 }
2338
2339 static int
2340 ieee80211_sched_scan_start(struct wiphy *wiphy,
2341                            struct net_device *dev,
2342                            struct cfg80211_sched_scan_request *req)
2343 {
2344         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2345
2346         if (!sdata->local->ops->sched_scan_start)
2347                 return -EOPNOTSUPP;
2348
2349         return ieee80211_request_sched_scan_start(sdata, req);
2350 }
2351
2352 static int
2353 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2354                           u64 reqid)
2355 {
2356         struct ieee80211_local *local = wiphy_priv(wiphy);
2357
2358         if (!local->ops->sched_scan_stop)
2359                 return -EOPNOTSUPP;
2360
2361         return ieee80211_request_sched_scan_stop(local);
2362 }
2363
2364 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2365                           struct cfg80211_auth_request *req)
2366 {
2367         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2368 }
2369
2370 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2371                            struct cfg80211_assoc_request *req)
2372 {
2373         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2374 }
2375
2376 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2377                             struct cfg80211_deauth_request *req)
2378 {
2379         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2380 }
2381
2382 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2383                               struct cfg80211_disassoc_request *req)
2384 {
2385         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2386 }
2387
2388 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2389                                struct cfg80211_ibss_params *params)
2390 {
2391         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2392 }
2393
2394 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2395 {
2396         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2397 }
2398
2399 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2400                               struct ocb_setup *setup)
2401 {
2402         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2403 }
2404
2405 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2406 {
2407         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2408 }
2409
2410 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2411                                     int rate[NUM_NL80211_BANDS])
2412 {
2413         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2414
2415         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2416                sizeof(int) * NUM_NL80211_BANDS);
2417
2418         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2419
2420         return 0;
2421 }
2422
2423 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2424 {
2425         struct ieee80211_local *local = wiphy_priv(wiphy);
2426         int err;
2427
2428         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2429                 ieee80211_check_fast_xmit_all(local);
2430
2431                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2432
2433                 if (err) {
2434                         ieee80211_check_fast_xmit_all(local);
2435                         return err;
2436                 }
2437         }
2438
2439         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2440             (changed & WIPHY_PARAM_DYN_ACK)) {
2441                 s16 coverage_class;
2442
2443                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2444                                         wiphy->coverage_class : -1;
2445                 err = drv_set_coverage_class(local, coverage_class);
2446
2447                 if (err)
2448                         return err;
2449         }
2450
2451         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2452                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2453
2454                 if (err)
2455                         return err;
2456         }
2457
2458         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2459                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2460                         return -EINVAL;
2461                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2462         }
2463         if (changed & WIPHY_PARAM_RETRY_LONG) {
2464                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2465                         return -EINVAL;
2466                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2467         }
2468         if (changed &
2469             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2470                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2471
2472         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2473                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2474                        WIPHY_PARAM_TXQ_QUANTUM))
2475                 ieee80211_txq_set_params(local);
2476
2477         return 0;
2478 }
2479
2480 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2481                                   struct wireless_dev *wdev,
2482                                   enum nl80211_tx_power_setting type, int mbm)
2483 {
2484         struct ieee80211_local *local = wiphy_priv(wiphy);
2485         struct ieee80211_sub_if_data *sdata;
2486         enum nl80211_tx_power_setting txp_type = type;
2487         bool update_txp_type = false;
2488         bool has_monitor = false;
2489
2490         if (wdev) {
2491                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2492
2493                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2494                         sdata = rtnl_dereference(local->monitor_sdata);
2495                         if (!sdata)
2496                                 return -EOPNOTSUPP;
2497                 }
2498
2499                 switch (type) {
2500                 case NL80211_TX_POWER_AUTOMATIC:
2501                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2502                         txp_type = NL80211_TX_POWER_LIMITED;
2503                         break;
2504                 case NL80211_TX_POWER_LIMITED:
2505                 case NL80211_TX_POWER_FIXED:
2506                         if (mbm < 0 || (mbm % 100))
2507                                 return -EOPNOTSUPP;
2508                         sdata->user_power_level = MBM_TO_DBM(mbm);
2509                         break;
2510                 }
2511
2512                 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2513                         update_txp_type = true;
2514                         sdata->vif.bss_conf.txpower_type = txp_type;
2515                 }
2516
2517                 ieee80211_recalc_txpower(sdata, update_txp_type);
2518
2519                 return 0;
2520         }
2521
2522         switch (type) {
2523         case NL80211_TX_POWER_AUTOMATIC:
2524                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2525                 txp_type = NL80211_TX_POWER_LIMITED;
2526                 break;
2527         case NL80211_TX_POWER_LIMITED:
2528         case NL80211_TX_POWER_FIXED:
2529                 if (mbm < 0 || (mbm % 100))
2530                         return -EOPNOTSUPP;
2531                 local->user_power_level = MBM_TO_DBM(mbm);
2532                 break;
2533         }
2534
2535         mutex_lock(&local->iflist_mtx);
2536         list_for_each_entry(sdata, &local->interfaces, list) {
2537                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2538                         has_monitor = true;
2539                         continue;
2540                 }
2541                 sdata->user_power_level = local->user_power_level;
2542                 if (txp_type != sdata->vif.bss_conf.txpower_type)
2543                         update_txp_type = true;
2544                 sdata->vif.bss_conf.txpower_type = txp_type;
2545         }
2546         list_for_each_entry(sdata, &local->interfaces, list) {
2547                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2548                         continue;
2549                 ieee80211_recalc_txpower(sdata, update_txp_type);
2550         }
2551         mutex_unlock(&local->iflist_mtx);
2552
2553         if (has_monitor) {
2554                 sdata = rtnl_dereference(local->monitor_sdata);
2555                 if (sdata) {
2556                         sdata->user_power_level = local->user_power_level;
2557                         if (txp_type != sdata->vif.bss_conf.txpower_type)
2558                                 update_txp_type = true;
2559                         sdata->vif.bss_conf.txpower_type = txp_type;
2560
2561                         ieee80211_recalc_txpower(sdata, update_txp_type);
2562                 }
2563         }
2564
2565         return 0;
2566 }
2567
2568 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2569                                   struct wireless_dev *wdev,
2570                                   int *dbm)
2571 {
2572         struct ieee80211_local *local = wiphy_priv(wiphy);
2573         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2574
2575         if (local->ops->get_txpower)
2576                 return drv_get_txpower(local, sdata, dbm);
2577
2578         if (!local->use_chanctx)
2579                 *dbm = local->hw.conf.power_level;
2580         else
2581                 *dbm = sdata->vif.bss_conf.txpower;
2582
2583         return 0;
2584 }
2585
2586 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2587                                   const u8 *addr)
2588 {
2589         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2590
2591         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2592
2593         return 0;
2594 }
2595
2596 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2597 {
2598         struct ieee80211_local *local = wiphy_priv(wiphy);
2599
2600         drv_rfkill_poll(local);
2601 }
2602
2603 #ifdef CONFIG_NL80211_TESTMODE
2604 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2605                                   struct wireless_dev *wdev,
2606                                   void *data, int len)
2607 {
2608         struct ieee80211_local *local = wiphy_priv(wiphy);
2609         struct ieee80211_vif *vif = NULL;
2610
2611         if (!local->ops->testmode_cmd)
2612                 return -EOPNOTSUPP;
2613
2614         if (wdev) {
2615                 struct ieee80211_sub_if_data *sdata;
2616
2617                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2618                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2619                         vif = &sdata->vif;
2620         }
2621
2622         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2623 }
2624
2625 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2626                                    struct sk_buff *skb,
2627                                    struct netlink_callback *cb,
2628                                    void *data, int len)
2629 {
2630         struct ieee80211_local *local = wiphy_priv(wiphy);
2631
2632         if (!local->ops->testmode_dump)
2633                 return -EOPNOTSUPP;
2634
2635         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2636 }
2637 #endif
2638
2639 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2640                                 enum ieee80211_smps_mode smps_mode)
2641 {
2642         struct sta_info *sta;
2643         enum ieee80211_smps_mode old_req;
2644
2645         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2646                 return -EINVAL;
2647
2648         if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2649                 return 0;
2650
2651         old_req = sdata->u.ap.req_smps;
2652         sdata->u.ap.req_smps = smps_mode;
2653
2654         /* AUTOMATIC doesn't mean much for AP - don't allow it */
2655         if (old_req == smps_mode ||
2656             smps_mode == IEEE80211_SMPS_AUTOMATIC)
2657                 return 0;
2658
2659         ht_dbg(sdata,
2660                "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2661                smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2662
2663         mutex_lock(&sdata->local->sta_mtx);
2664         list_for_each_entry(sta, &sdata->local->sta_list, list) {
2665                 /*
2666                  * Only stations associated to our AP and
2667                  * associated VLANs
2668                  */
2669                 if (sta->sdata->bss != &sdata->u.ap)
2670                         continue;
2671
2672                 /* This station doesn't support MIMO - skip it */
2673                 if (sta_info_tx_streams(sta) == 1)
2674                         continue;
2675
2676                 /*
2677                  * Don't wake up a STA just to send the action frame
2678                  * unless we are getting more restrictive.
2679                  */
2680                 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2681                     !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2682                                                    smps_mode)) {
2683                         ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2684                                sta->sta.addr);
2685                         continue;
2686                 }
2687
2688                 /*
2689                  * If the STA is not authorized, wait until it gets
2690                  * authorized and the action frame will be sent then.
2691                  */
2692                 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2693                         continue;
2694
2695                 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2696                 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2697                                            sdata->vif.bss_conf.bssid);
2698         }
2699         mutex_unlock(&sdata->local->sta_mtx);
2700
2701         sdata->smps_mode = smps_mode;
2702         ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2703
2704         return 0;
2705 }
2706
2707 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2708                                  enum ieee80211_smps_mode smps_mode)
2709 {
2710         const u8 *ap;
2711         enum ieee80211_smps_mode old_req;
2712         int err;
2713         struct sta_info *sta;
2714         bool tdls_peer_found = false;
2715
2716         lockdep_assert_held(&sdata->wdev.mtx);
2717
2718         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2719                 return -EINVAL;
2720
2721         old_req = sdata->u.mgd.req_smps;
2722         sdata->u.mgd.req_smps = smps_mode;
2723
2724         if (old_req == smps_mode &&
2725             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2726                 return 0;
2727
2728         /*
2729          * If not associated, or current association is not an HT
2730          * association, there's no need to do anything, just store
2731          * the new value until we associate.
2732          */
2733         if (!sdata->u.mgd.associated ||
2734             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2735                 return 0;
2736
2737         ap = sdata->u.mgd.associated->bssid;
2738
2739         rcu_read_lock();
2740         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2741                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2742                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2743                         continue;
2744
2745                 tdls_peer_found = true;
2746                 break;
2747         }
2748         rcu_read_unlock();
2749
2750         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2751                 if (tdls_peer_found || !sdata->u.mgd.powersave)
2752                         smps_mode = IEEE80211_SMPS_OFF;
2753                 else
2754                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2755         }
2756
2757         /* send SM PS frame to AP */
2758         err = ieee80211_send_smps_action(sdata, smps_mode,
2759                                          ap, ap);
2760         if (err)
2761                 sdata->u.mgd.req_smps = old_req;
2762         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2763                 ieee80211_teardown_tdls_peers(sdata);
2764
2765         return err;
2766 }
2767
2768 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2769                                     bool enabled, int timeout)
2770 {
2771         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2772         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2773
2774         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2775                 return -EOPNOTSUPP;
2776
2777         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2778                 return -EOPNOTSUPP;
2779
2780         if (enabled == sdata->u.mgd.powersave &&
2781             timeout == local->dynamic_ps_forced_timeout)
2782                 return 0;
2783
2784         sdata->u.mgd.powersave = enabled;
2785         local->dynamic_ps_forced_timeout = timeout;
2786
2787         /* no change, but if automatic follow powersave */
2788         sdata_lock(sdata);
2789         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2790         sdata_unlock(sdata);
2791
2792         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2793                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2794
2795         ieee80211_recalc_ps(local);
2796         ieee80211_recalc_ps_vif(sdata);
2797         ieee80211_check_fast_rx_iface(sdata);
2798
2799         return 0;
2800 }
2801
2802 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2803                                          struct net_device *dev,
2804                                          s32 rssi_thold, u32 rssi_hyst)
2805 {
2806         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2807         struct ieee80211_vif *vif = &sdata->vif;
2808         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2809
2810         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2811             rssi_hyst == bss_conf->cqm_rssi_hyst)
2812                 return 0;
2813
2814         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2815             !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2816                 return -EOPNOTSUPP;
2817
2818         bss_conf->cqm_rssi_thold = rssi_thold;
2819         bss_conf->cqm_rssi_hyst = rssi_hyst;
2820         bss_conf->cqm_rssi_low = 0;
2821         bss_conf->cqm_rssi_high = 0;
2822         sdata->u.mgd.last_cqm_event_signal = 0;
2823
2824         /* tell the driver upon association, unless already associated */
2825         if (sdata->u.mgd.associated &&
2826             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2827                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2828
2829         return 0;
2830 }
2831
2832 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2833                                                struct net_device *dev,
2834                                                s32 rssi_low, s32 rssi_high)
2835 {
2836         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2837         struct ieee80211_vif *vif = &sdata->vif;
2838         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2839
2840         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2841                 return -EOPNOTSUPP;
2842
2843         bss_conf->cqm_rssi_low = rssi_low;
2844         bss_conf->cqm_rssi_high = rssi_high;
2845         bss_conf->cqm_rssi_thold = 0;
2846         bss_conf->cqm_rssi_hyst = 0;
2847         sdata->u.mgd.last_cqm_event_signal = 0;
2848
2849         /* tell the driver upon association, unless already associated */
2850         if (sdata->u.mgd.associated &&
2851             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2852                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2853
2854         return 0;
2855 }
2856
2857 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2858                                       struct net_device *dev,
2859                                       const u8 *addr,
2860                                       const struct cfg80211_bitrate_mask *mask)
2861 {
2862         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2863         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2864         int i, ret;
2865
2866         if (!ieee80211_sdata_running(sdata))
2867                 return -ENETDOWN;
2868
2869         /*
2870          * If active validate the setting and reject it if it doesn't leave
2871          * at least one basic rate usable, since we really have to be able
2872          * to send something, and if we're an AP we have to be able to do
2873          * so at a basic rate so that all clients can receive it.
2874          */
2875         if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2876             sdata->vif.bss_conf.chandef.chan) {
2877                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2878                 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2879
2880                 if (!(mask->control[band].legacy & basic_rates))
2881                         return -EINVAL;
2882         }
2883
2884         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2885                 ret = drv_set_bitrate_mask(local, sdata, mask);
2886                 if (ret)
2887                         return ret;
2888         }
2889
2890         for (i = 0; i < NUM_NL80211_BANDS; i++) {
2891                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2892                 int j;
2893
2894                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2895                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2896                        sizeof(mask->control[i].ht_mcs));
2897                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2898                        mask->control[i].vht_mcs,
2899                        sizeof(mask->control[i].vht_mcs));
2900
2901                 sdata->rc_has_mcs_mask[i] = false;
2902                 sdata->rc_has_vht_mcs_mask[i] = false;
2903                 if (!sband)
2904                         continue;
2905
2906                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2907                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2908                                 sdata->rc_has_mcs_mask[i] = true;
2909                                 break;
2910                         }
2911                 }
2912
2913                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2914                         if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2915                                 sdata->rc_has_vht_mcs_mask[i] = true;
2916                                 break;
2917                         }
2918                 }
2919         }
2920
2921         return 0;
2922 }
2923
2924 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2925                                            struct net_device *dev,
2926                                            struct cfg80211_chan_def *chandef,
2927                                            u32 cac_time_ms)
2928 {
2929         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2930         struct ieee80211_local *local = sdata->local;
2931         int err;
2932
2933         mutex_lock(&local->mtx);
2934         if (!list_empty(&local->roc_list) || local->scanning) {
2935                 err = -EBUSY;
2936                 goto out_unlock;
2937         }
2938
2939         /* whatever, but channel contexts should not complain about that one */
2940         sdata->smps_mode = IEEE80211_SMPS_OFF;
2941         sdata->needed_rx_chains = local->rx_chains;
2942
2943         err = ieee80211_vif_use_channel(sdata, chandef,
2944                                         IEEE80211_CHANCTX_SHARED);
2945         if (err)
2946                 goto out_unlock;
2947
2948         ieee80211_queue_delayed_work(&sdata->local->hw,
2949                                      &sdata->dfs_cac_timer_work,
2950                                      msecs_to_jiffies(cac_time_ms));
2951
2952  out_unlock:
2953         mutex_unlock(&local->mtx);
2954         return err;
2955 }
2956
2957 static void ieee80211_end_cac(struct wiphy *wiphy,
2958                               struct net_device *dev)
2959 {
2960         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2961         struct ieee80211_local *local = sdata->local;
2962
2963         mutex_lock(&local->mtx);
2964         list_for_each_entry(sdata, &local->interfaces, list) {
2965                 /* it might be waiting for the local->mtx, but then
2966                  * by the time it gets it, sdata->wdev.cac_started
2967                  * will no longer be true
2968                  */
2969                 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2970
2971                 if (sdata->wdev.cac_started) {
2972                         ieee80211_vif_release_channel(sdata);
2973                         sdata->wdev.cac_started = false;
2974                 }
2975         }
2976         mutex_unlock(&local->mtx);
2977 }
2978
2979 static struct cfg80211_beacon_data *
2980 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2981 {
2982         struct cfg80211_beacon_data *new_beacon;
2983         u8 *pos;
2984         int len;
2985
2986         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2987               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2988               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2989
2990         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2991         if (!new_beacon)
2992                 return NULL;
2993
2994         pos = (u8 *)(new_beacon + 1);
2995         if (beacon->head_len) {
2996                 new_beacon->head_len = beacon->head_len;
2997                 new_beacon->head = pos;
2998                 memcpy(pos, beacon->head, beacon->head_len);
2999                 pos += beacon->head_len;
3000         }
3001         if (beacon->tail_len) {
3002                 new_beacon->tail_len = beacon->tail_len;
3003                 new_beacon->tail = pos;
3004                 memcpy(pos, beacon->tail, beacon->tail_len);
3005                 pos += beacon->tail_len;
3006         }
3007         if (beacon->beacon_ies_len) {
3008                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3009                 new_beacon->beacon_ies = pos;
3010                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3011                 pos += beacon->beacon_ies_len;
3012         }
3013         if (beacon->proberesp_ies_len) {
3014                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3015                 new_beacon->proberesp_ies = pos;
3016                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3017                 pos += beacon->proberesp_ies_len;
3018         }
3019         if (beacon->assocresp_ies_len) {
3020                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3021                 new_beacon->assocresp_ies = pos;
3022                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3023                 pos += beacon->assocresp_ies_len;
3024         }
3025         if (beacon->probe_resp_len) {
3026                 new_beacon->probe_resp_len = beacon->probe_resp_len;
3027                 new_beacon->probe_resp = pos;
3028                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3029                 pos += beacon->probe_resp_len;
3030         }
3031
3032         /* might copy -1, meaning no changes requested */
3033         new_beacon->ftm_responder = beacon->ftm_responder;
3034         if (beacon->lci) {
3035                 new_beacon->lci_len = beacon->lci_len;
3036                 new_beacon->lci = pos;
3037                 memcpy(pos, beacon->lci, beacon->lci_len);
3038                 pos += beacon->lci_len;
3039         }
3040         if (beacon->civicloc) {
3041                 new_beacon->civicloc_len = beacon->civicloc_len;
3042                 new_beacon->civicloc = pos;
3043                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3044                 pos += beacon->civicloc_len;
3045         }
3046
3047         return new_beacon;
3048 }
3049
3050 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3051 {
3052         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3053
3054         ieee80211_queue_work(&sdata->local->hw,
3055                              &sdata->csa_finalize_work);
3056 }
3057 EXPORT_SYMBOL(ieee80211_csa_finish);
3058
3059 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3060                                           u32 *changed)
3061 {
3062         int err;
3063
3064         switch (sdata->vif.type) {
3065         case NL80211_IFTYPE_AP:
3066                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3067                                               NULL);
3068                 kfree(sdata->u.ap.next_beacon);
3069                 sdata->u.ap.next_beacon = NULL;
3070
3071                 if (err < 0)
3072                         return err;
3073                 *changed |= err;
3074                 break;
3075         case NL80211_IFTYPE_ADHOC:
3076                 err = ieee80211_ibss_finish_csa(sdata);
3077                 if (err < 0)
3078                         return err;
3079                 *changed |= err;
3080                 break;
3081 #ifdef CONFIG_MAC80211_MESH
3082         case NL80211_IFTYPE_MESH_POINT:
3083                 err = ieee80211_mesh_finish_csa(sdata);
3084                 if (err < 0)
3085                         return err;
3086                 *changed |= err;
3087                 break;
3088 #endif
3089         default:
3090                 WARN_ON(1);
3091                 return -EINVAL;
3092         }
3093
3094         return 0;
3095 }
3096
3097 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3098 {
3099         struct ieee80211_local *local = sdata->local;
3100         u32 changed = 0;
3101         int err;
3102
3103         sdata_assert_lock(sdata);
3104         lockdep_assert_held(&local->mtx);
3105         lockdep_assert_held(&local->chanctx_mtx);
3106
3107         /*
3108          * using reservation isn't immediate as it may be deferred until later
3109          * with multi-vif. once reservation is complete it will re-schedule the
3110          * work with no reserved_chanctx so verify chandef to check if it
3111          * completed successfully
3112          */
3113
3114         if (sdata->reserved_chanctx) {
3115                 /*
3116                  * with multi-vif csa driver may call ieee80211_csa_finish()
3117                  * many times while waiting for other interfaces to use their
3118                  * reservations
3119                  */
3120                 if (sdata->reserved_ready)
3121                         return 0;
3122
3123                 return ieee80211_vif_use_reserved_context(sdata);
3124         }
3125
3126         if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3127                                         &sdata->csa_chandef))
3128                 return -EINVAL;
3129
3130         sdata->vif.csa_active = false;
3131
3132         err = ieee80211_set_after_csa_beacon(sdata, &changed);
3133         if (err)
3134                 return err;
3135
3136         ieee80211_bss_info_change_notify(sdata, changed);
3137
3138         if (sdata->csa_block_tx) {
3139                 ieee80211_wake_vif_queues(local, sdata,
3140                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3141                 sdata->csa_block_tx = false;
3142         }
3143
3144         err = drv_post_channel_switch(sdata);
3145         if (err)
3146                 return err;
3147
3148         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3149
3150         return 0;
3151 }
3152
3153 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3154 {
3155         if (__ieee80211_csa_finalize(sdata)) {
3156                 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3157                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3158                                     GFP_KERNEL);
3159         }
3160 }
3161
3162 void ieee80211_csa_finalize_work(struct work_struct *work)
3163 {
3164         struct ieee80211_sub_if_data *sdata =
3165                 container_of(work, struct ieee80211_sub_if_data,
3166                              csa_finalize_work);
3167         struct ieee80211_local *local = sdata->local;
3168
3169         sdata_lock(sdata);
3170         mutex_lock(&local->mtx);
3171         mutex_lock(&local->chanctx_mtx);
3172
3173         /* AP might have been stopped while waiting for the lock. */
3174         if (!sdata->vif.csa_active)
3175                 goto unlock;
3176
3177         if (!ieee80211_sdata_running(sdata))
3178                 goto unlock;
3179
3180         ieee80211_csa_finalize(sdata);
3181
3182 unlock:
3183         mutex_unlock(&local->chanctx_mtx);
3184         mutex_unlock(&local->mtx);
3185         sdata_unlock(sdata);
3186 }
3187
3188 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3189                                     struct cfg80211_csa_settings *params,
3190                                     u32 *changed)
3191 {
3192         struct ieee80211_csa_settings csa = {};
3193         int err;
3194
3195         switch (sdata->vif.type) {
3196         case NL80211_IFTYPE_AP:
3197                 sdata->u.ap.next_beacon =
3198                         cfg80211_beacon_dup(&params->beacon_after);
3199                 if (!sdata->u.ap.next_beacon)
3200                         return -ENOMEM;
3201
3202                 /*
3203                  * With a count of 0, we don't have to wait for any
3204                  * TBTT before switching, so complete the CSA
3205                  * immediately.  In theory, with a count == 1 we
3206                  * should delay the switch until just before the next
3207                  * TBTT, but that would complicate things so we switch
3208                  * immediately too.  If we would delay the switch
3209                  * until the next TBTT, we would have to set the probe
3210                  * response here.
3211                  *
3212                  * TODO: A channel switch with count <= 1 without
3213                  * sending a CSA action frame is kind of useless,
3214                  * because the clients won't know we're changing
3215                  * channels.  The action frame must be implemented
3216                  * either here or in the userspace.
3217                  */
3218                 if (params->count <= 1)
3219                         break;
3220
3221                 if ((params->n_counter_offsets_beacon >
3222                      IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3223                     (params->n_counter_offsets_presp >
3224                      IEEE80211_MAX_CSA_COUNTERS_NUM))
3225                         return -EINVAL;
3226
3227                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3228                 csa.counter_offsets_presp = params->counter_offsets_presp;
3229                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3230                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3231                 csa.count = params->count;
3232
3233                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3234                 if (err < 0) {
3235                         kfree(sdata->u.ap.next_beacon);
3236                         return err;
3237                 }
3238                 *changed |= err;
3239
3240                 break;
3241         case NL80211_IFTYPE_ADHOC:
3242                 if (!sdata->vif.bss_conf.ibss_joined)
3243                         return -EINVAL;
3244
3245                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3246                         return -EINVAL;
3247
3248                 switch (params->chandef.width) {
3249                 case NL80211_CHAN_WIDTH_40:
3250                         if (cfg80211_get_chandef_type(&params->chandef) !=
3251                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3252                                 return -EINVAL;
3253                 case NL80211_CHAN_WIDTH_5:
3254                 case NL80211_CHAN_WIDTH_10:
3255                 case NL80211_CHAN_WIDTH_20_NOHT:
3256                 case NL80211_CHAN_WIDTH_20:
3257                         break;
3258                 default:
3259                         return -EINVAL;
3260                 }
3261
3262                 /* changes into another band are not supported */
3263                 if (sdata->u.ibss.chandef.chan->band !=
3264                     params->chandef.chan->band)
3265                         return -EINVAL;
3266
3267                 /* see comments in the NL80211_IFTYPE_AP block */
3268                 if (params->count > 1) {
3269                         err = ieee80211_ibss_csa_beacon(sdata, params);
3270                         if (err < 0)
3271                                 return err;
3272                         *changed |= err;
3273                 }
3274
3275                 ieee80211_send_action_csa(sdata, params);
3276
3277                 break;
3278 #ifdef CONFIG_MAC80211_MESH
3279         case NL80211_IFTYPE_MESH_POINT: {
3280                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3281
3282                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3283                         return -EINVAL;
3284
3285                 /* changes into another band are not supported */
3286                 if (sdata->vif.bss_conf.chandef.chan->band !=
3287                     params->chandef.chan->band)
3288                         return -EINVAL;
3289
3290                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3291                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3292                         if (!ifmsh->pre_value)
3293                                 ifmsh->pre_value = 1;
3294                         else
3295                                 ifmsh->pre_value++;
3296                 }
3297
3298                 /* see comments in the NL80211_IFTYPE_AP block */
3299                 if (params->count > 1) {
3300                         err = ieee80211_mesh_csa_beacon(sdata, params);
3301                         if (err < 0) {
3302                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3303                                 return err;
3304                         }
3305                         *changed |= err;
3306                 }
3307
3308                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3309                         ieee80211_send_action_csa(sdata, params);
3310
3311                 break;
3312                 }
3313 #endif
3314         default:
3315                 return -EOPNOTSUPP;
3316         }
3317
3318         return 0;
3319 }
3320
3321 static int
3322 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3323                            struct cfg80211_csa_settings *params)
3324 {
3325         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3326         struct ieee80211_local *local = sdata->local;
3327         struct ieee80211_channel_switch ch_switch;
3328         struct ieee80211_chanctx_conf *conf;
3329         struct ieee80211_chanctx *chanctx;
3330         u32 changed = 0;
3331         int err;
3332
3333         sdata_assert_lock(sdata);
3334         lockdep_assert_held(&local->mtx);
3335
3336         if (!list_empty(&local->roc_list) || local->scanning)
3337                 return -EBUSY;
3338
3339         if (sdata->wdev.cac_started)
3340                 return -EBUSY;
3341
3342         if (cfg80211_chandef_identical(&params->chandef,
3343                                        &sdata->vif.bss_conf.chandef))
3344                 return -EINVAL;
3345
3346         /* don't allow another channel switch if one is already active. */
3347         if (sdata->vif.csa_active)
3348                 return -EBUSY;
3349
3350         mutex_lock(&local->chanctx_mtx);
3351         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3352                                          lockdep_is_held(&local->chanctx_mtx));
3353         if (!conf) {
3354                 err = -EBUSY;
3355                 goto out;
3356         }
3357
3358         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3359
3360         ch_switch.timestamp = 0;
3361         ch_switch.device_timestamp = 0;
3362         ch_switch.block_tx = params->block_tx;
3363         ch_switch.chandef = params->chandef;
3364         ch_switch.count = params->count;
3365
3366         err = drv_pre_channel_switch(sdata, &ch_switch);
3367         if (err)
3368                 goto out;
3369
3370         err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3371                                             chanctx->mode,
3372                                             params->radar_required);
3373         if (err)
3374                 goto out;
3375
3376         /* if reservation is invalid then this will fail */
3377         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3378         if (err) {
3379                 ieee80211_vif_unreserve_chanctx(sdata);
3380                 goto out;
3381         }
3382
3383         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3384         if (err) {
3385                 ieee80211_vif_unreserve_chanctx(sdata);
3386                 goto out;
3387         }
3388
3389         sdata->csa_chandef = params->chandef;
3390         sdata->csa_block_tx = params->block_tx;
3391         sdata->vif.csa_active = true;
3392
3393         if (sdata->csa_block_tx)
3394                 ieee80211_stop_vif_queues(local, sdata,
3395                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3396
3397         cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3398                                           params->count);
3399
3400         if (changed) {
3401                 ieee80211_bss_info_change_notify(sdata, changed);
3402                 drv_channel_switch_beacon(sdata, &params->chandef);
3403         } else {
3404                 /* if the beacon didn't change, we can finalize immediately */
3405                 ieee80211_csa_finalize(sdata);
3406         }
3407
3408 out:
3409         mutex_unlock(&local->chanctx_mtx);
3410         return err;
3411 }
3412
3413 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3414                              struct cfg80211_csa_settings *params)
3415 {
3416         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3417         struct ieee80211_local *local = sdata->local;
3418         int err;
3419
3420         mutex_lock(&local->mtx);
3421         err = __ieee80211_channel_switch(wiphy, dev, params);
3422         mutex_unlock(&local->mtx);
3423
3424         return err;
3425 }
3426
3427 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3428 {
3429         lockdep_assert_held(&local->mtx);
3430
3431         local->roc_cookie_counter++;
3432
3433         /* wow, you wrapped 64 bits ... more likely a bug */
3434         if (WARN_ON(local->roc_cookie_counter == 0))
3435                 local->roc_cookie_counter++;
3436
3437         return local->roc_cookie_counter;
3438 }
3439
3440 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3441                              u64 *cookie, gfp_t gfp)
3442 {
3443         unsigned long spin_flags;
3444         struct sk_buff *ack_skb;
3445         int id;
3446
3447         ack_skb = skb_copy(skb, gfp);
3448         if (!ack_skb)
3449                 return -ENOMEM;
3450
3451         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3452         id = idr_alloc(&local->ack_status_frames, ack_skb,
3453                        1, 0x40, GFP_ATOMIC);
3454         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3455
3456         if (id < 0) {
3457                 kfree_skb(ack_skb);
3458                 return -ENOMEM;
3459         }
3460
3461         IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3462
3463         *cookie = ieee80211_mgmt_tx_cookie(local);
3464         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3465
3466         return 0;
3467 }
3468
3469 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3470                                           struct wireless_dev *wdev,
3471                                           u16 frame_type, bool reg)
3472 {
3473         struct ieee80211_local *local = wiphy_priv(wiphy);
3474         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3475
3476         switch (frame_type) {
3477         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3478                 if (reg) {
3479                         local->probe_req_reg++;
3480                         sdata->vif.probe_req_reg++;
3481                 } else {
3482                         if (local->probe_req_reg)
3483                                 local->probe_req_reg--;
3484
3485                         if (sdata->vif.probe_req_reg)
3486                                 sdata->vif.probe_req_reg--;
3487                 }
3488
3489                 if (!local->open_count)
3490                         break;
3491
3492                 if (sdata->vif.probe_req_reg == 1)
3493                         drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3494                                                 FIF_PROBE_REQ);
3495                 else if (sdata->vif.probe_req_reg == 0)
3496                         drv_config_iface_filter(local, sdata, 0,
3497                                                 FIF_PROBE_REQ);
3498
3499                 ieee80211_configure_filter(local);
3500                 break;
3501         default:
3502                 break;
3503         }
3504 }
3505
3506 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3507 {
3508         struct ieee80211_local *local = wiphy_priv(wiphy);
3509
3510         if (local->started)
3511                 return -EOPNOTSUPP;
3512
3513         return drv_set_antenna(local, tx_ant, rx_ant);
3514 }
3515
3516 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3517 {
3518         struct ieee80211_local *local = wiphy_priv(wiphy);
3519
3520         return drv_get_antenna(local, tx_ant, rx_ant);
3521 }
3522
3523 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3524                                     struct net_device *dev,
3525                                     struct cfg80211_gtk_rekey_data *data)
3526 {
3527         struct ieee80211_local *local = wiphy_priv(wiphy);
3528         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3529
3530         if (!local->ops->set_rekey_data)
3531                 return -EOPNOTSUPP;
3532
3533         drv_set_rekey_data(local, sdata, data);
3534
3535         return 0;
3536 }
3537
3538 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3539                                   const u8 *peer, u64 *cookie)
3540 {
3541         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3542         struct ieee80211_local *local = sdata->local;
3543         struct ieee80211_qos_hdr *nullfunc;
3544         struct sk_buff *skb;
3545         int size = sizeof(*nullfunc);
3546         __le16 fc;
3547         bool qos;
3548         struct ieee80211_tx_info *info;
3549         struct sta_info *sta;
3550         struct ieee80211_chanctx_conf *chanctx_conf;
3551         enum nl80211_band band;
3552         int ret;
3553
3554         /* the lock is needed to assign the cookie later */
3555         mutex_lock(&local->mtx);
3556
3557         rcu_read_lock();
3558         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3559         if (WARN_ON(!chanctx_conf)) {
3560                 ret = -EINVAL;
3561                 goto unlock;
3562         }
3563         band = chanctx_conf->def.chan->band;
3564         sta = sta_info_get_bss(sdata, peer);
3565         if (sta) {
3566                 qos = sta->sta.wme;
3567         } else {
3568                 ret = -ENOLINK;
3569                 goto unlock;
3570         }
3571
3572         if (qos) {
3573                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3574                                  IEEE80211_STYPE_QOS_NULLFUNC |
3575                                  IEEE80211_FCTL_FROMDS);
3576         } else {
3577                 size -= 2;
3578                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3579                                  IEEE80211_STYPE_NULLFUNC |
3580                                  IEEE80211_FCTL_FROMDS);
3581         }
3582
3583         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3584         if (!skb) {
3585                 ret = -ENOMEM;
3586                 goto unlock;
3587         }
3588
3589         skb->dev = dev;
3590
3591         skb_reserve(skb, local->hw.extra_tx_headroom);
3592
3593         nullfunc = skb_put(skb, size);
3594         nullfunc->frame_control = fc;
3595         nullfunc->duration_id = 0;
3596         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3597         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3598         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3599         nullfunc->seq_ctrl = 0;
3600
3601         info = IEEE80211_SKB_CB(skb);
3602
3603         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3604                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3605         info->band = band;
3606
3607         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3608         skb->priority = 7;
3609         if (qos)
3610                 nullfunc->qos_ctrl = cpu_to_le16(7);
3611
3612         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3613         if (ret) {
3614                 kfree_skb(skb);
3615                 goto unlock;
3616         }
3617
3618         local_bh_disable();
3619         ieee80211_xmit(sdata, sta, skb, 0);
3620         local_bh_enable();
3621
3622         ret = 0;
3623 unlock:
3624         rcu_read_unlock();
3625         mutex_unlock(&local->mtx);
3626
3627         return ret;
3628 }
3629
3630 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3631                                      struct wireless_dev *wdev,
3632                                      struct cfg80211_chan_def *chandef)
3633 {
3634         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3635         struct ieee80211_local *local = wiphy_priv(wiphy);
3636         struct ieee80211_chanctx_conf *chanctx_conf;
3637         int ret = -ENODATA;
3638
3639         rcu_read_lock();
3640         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3641         if (chanctx_conf) {
3642                 *chandef = sdata->vif.bss_conf.chandef;
3643                 ret = 0;
3644         } else if (local->open_count > 0 &&
3645                    local->open_count == local->monitors &&
3646                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3647                 if (local->use_chanctx)
3648                         *chandef = local->monitor_chandef;
3649                 else
3650                         *chandef = local->_oper_chandef;
3651                 ret = 0;
3652         }
3653         rcu_read_unlock();
3654
3655         return ret;
3656 }
3657
3658 #ifdef CONFIG_PM
3659 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3660 {
3661         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3662 }
3663 #endif
3664
3665 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3666                                  struct net_device *dev,
3667                                  struct cfg80211_qos_map *qos_map)
3668 {
3669         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3670         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3671
3672         if (qos_map) {
3673                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3674                 if (!new_qos_map)
3675                         return -ENOMEM;
3676                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3677         } else {
3678                 /* A NULL qos_map was passed to disable QoS mapping */
3679                 new_qos_map = NULL;
3680         }
3681
3682         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3683         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3684         if (old_qos_map)
3685                 kfree_rcu(old_qos_map, rcu_head);
3686
3687         return 0;
3688 }
3689
3690 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3691                                       struct net_device *dev,
3692                                       struct cfg80211_chan_def *chandef)
3693 {
3694         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3695         int ret;
3696         u32 changed = 0;
3697
3698         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3699         if (ret == 0)
3700                 ieee80211_bss_info_change_notify(sdata, changed);
3701
3702         return ret;
3703 }
3704
3705 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3706                                u8 tsid, const u8 *peer, u8 up,
3707                                u16 admitted_time)
3708 {
3709         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3710         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3711         int ac = ieee802_1d_to_ac[up];
3712
3713         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3714                 return -EOPNOTSUPP;
3715
3716         if (!(sdata->wmm_acm & BIT(up)))
3717                 return -EINVAL;
3718
3719         if (ifmgd->tx_tspec[ac].admitted_time)
3720                 return -EBUSY;
3721
3722         if (admitted_time) {
3723                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3724                 ifmgd->tx_tspec[ac].tsid = tsid;
3725                 ifmgd->tx_tspec[ac].up = up;
3726         }
3727
3728         return 0;
3729 }
3730
3731 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3732                                u8 tsid, const u8 *peer)
3733 {
3734         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3735         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3736         struct ieee80211_local *local = wiphy_priv(wiphy);
3737         int ac;
3738
3739         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3740                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3741
3742                 /* skip unused entries */
3743                 if (!tx_tspec->admitted_time)
3744                         continue;
3745
3746                 if (tx_tspec->tsid != tsid)
3747                         continue;
3748
3749                 /* due to this new packets will be reassigned to non-ACM ACs */
3750                 tx_tspec->up = -1;
3751
3752                 /* Make sure that all packets have been sent to avoid to
3753                  * restore the QoS params on packets that are still on the
3754                  * queues.
3755                  */
3756                 synchronize_net();
3757                 ieee80211_flush_queues(local, sdata, false);
3758
3759                 /* restore the normal QoS parameters
3760                  * (unconditionally to avoid races)
3761                  */
3762                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3763                 tx_tspec->downgraded = false;
3764                 ieee80211_sta_handle_tspec_ac_params(sdata);
3765
3766                 /* finally clear all the data */
3767                 memset(tx_tspec, 0, sizeof(*tx_tspec));
3768
3769                 return 0;
3770         }
3771
3772         return -ENOENT;
3773 }
3774
3775 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3776                                    u8 inst_id,
3777                                    enum nl80211_nan_func_term_reason reason,
3778                                    gfp_t gfp)
3779 {
3780         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3781         struct cfg80211_nan_func *func;
3782         u64 cookie;
3783
3784         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3785                 return;
3786
3787         spin_lock_bh(&sdata->u.nan.func_lock);
3788
3789         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3790         if (WARN_ON(!func)) {
3791                 spin_unlock_bh(&sdata->u.nan.func_lock);
3792                 return;
3793         }
3794
3795         cookie = func->cookie;
3796         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3797
3798         spin_unlock_bh(&sdata->u.nan.func_lock);
3799
3800         cfg80211_free_nan_func(func);
3801
3802         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3803                                      reason, cookie, gfp);
3804 }
3805 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3806
3807 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3808                               struct cfg80211_nan_match_params *match,
3809                               gfp_t gfp)
3810 {
3811         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3812         struct cfg80211_nan_func *func;
3813
3814         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3815                 return;
3816
3817         spin_lock_bh(&sdata->u.nan.func_lock);
3818
3819         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3820         if (WARN_ON(!func)) {
3821                 spin_unlock_bh(&sdata->u.nan.func_lock);
3822                 return;
3823         }
3824         match->cookie = func->cookie;
3825
3826         spin_unlock_bh(&sdata->u.nan.func_lock);
3827
3828         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3829 }
3830 EXPORT_SYMBOL(ieee80211_nan_func_match);
3831
3832 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3833                                               struct net_device *dev,
3834                                               const bool enabled)
3835 {
3836         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3837
3838         sdata->u.ap.multicast_to_unicast = enabled;
3839
3840         return 0;
3841 }
3842
3843 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3844                               struct txq_info *txqi)
3845 {
3846         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3847                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3848                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3849         }
3850
3851         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3852                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3853                 txqstats->backlog_packets = txqi->tin.backlog_packets;
3854         }
3855
3856         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3857                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3858                 txqstats->flows = txqi->tin.flows;
3859         }
3860
3861         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3862                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3863                 txqstats->drops = txqi->cstats.drop_count;
3864         }
3865
3866         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3867                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3868                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3869         }
3870
3871         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3872                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3873                 txqstats->overlimit = txqi->tin.overlimit;
3874         }
3875
3876         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3877                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3878                 txqstats->collisions = txqi->tin.collisions;
3879         }
3880
3881         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3882                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3883                 txqstats->tx_bytes = txqi->tin.tx_bytes;
3884         }
3885
3886         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3887                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3888                 txqstats->tx_packets = txqi->tin.tx_packets;
3889         }
3890 }
3891
3892 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3893                                    struct wireless_dev *wdev,
3894                                    struct cfg80211_txq_stats *txqstats)
3895 {
3896         struct ieee80211_local *local = wiphy_priv(wiphy);
3897         struct ieee80211_sub_if_data *sdata;
3898         int ret = 0;
3899
3900         if (!local->ops->wake_tx_queue)
3901                 return 1;
3902
3903         spin_lock_bh(&local->fq.lock);
3904         rcu_read_lock();
3905
3906         if (wdev) {
3907                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3908                 if (!sdata->vif.txq) {
3909                         ret = 1;
3910                         goto out;
3911                 }
3912                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3913         } else {
3914                 /* phy stats */
3915                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3916                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3917                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3918                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3919                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
3920                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3921                 txqstats->backlog_packets = local->fq.backlog;
3922                 txqstats->backlog_bytes = local->fq.memory_usage;
3923                 txqstats->overlimit = local->fq.overlimit;
3924                 txqstats->overmemory = local->fq.overmemory;
3925                 txqstats->collisions = local->fq.collisions;
3926                 txqstats->max_flows = local->fq.flows_cnt;
3927         }
3928
3929 out:
3930         rcu_read_unlock();
3931         spin_unlock_bh(&local->fq.lock);
3932
3933         return ret;
3934 }
3935
3936 static int
3937 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3938                                   struct net_device *dev,
3939                                   struct cfg80211_ftm_responder_stats *ftm_stats)
3940 {
3941         struct ieee80211_local *local = wiphy_priv(wiphy);
3942         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3943
3944         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3945 }
3946
3947 static int
3948 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3949                      struct cfg80211_pmsr_request *request)
3950 {
3951         struct ieee80211_local *local = wiphy_priv(wiphy);
3952         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3953
3954         return drv_start_pmsr(local, sdata, request);
3955 }
3956
3957 static void
3958 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3959                      struct cfg80211_pmsr_request *request)
3960 {
3961         struct ieee80211_local *local = wiphy_priv(wiphy);
3962         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3963
3964         return drv_abort_pmsr(local, sdata, request);
3965 }
3966
3967 const struct cfg80211_ops mac80211_config_ops = {
3968         .add_virtual_intf = ieee80211_add_iface,
3969         .del_virtual_intf = ieee80211_del_iface,
3970         .change_virtual_intf = ieee80211_change_iface,
3971         .start_p2p_device = ieee80211_start_p2p_device,
3972         .stop_p2p_device = ieee80211_stop_p2p_device,
3973         .add_key = ieee80211_add_key,
3974         .del_key = ieee80211_del_key,
3975         .get_key = ieee80211_get_key,
3976         .set_default_key = ieee80211_config_default_key,
3977         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3978         .start_ap = ieee80211_start_ap,
3979         .change_beacon = ieee80211_change_beacon,
3980         .stop_ap = ieee80211_stop_ap,
3981         .add_station = ieee80211_add_station,
3982         .del_station = ieee80211_del_station,
3983         .change_station = ieee80211_change_station,
3984         .get_station = ieee80211_get_station,
3985         .dump_station = ieee80211_dump_station,
3986         .dump_survey = ieee80211_dump_survey,
3987 #ifdef CONFIG_MAC80211_MESH
3988         .add_mpath = ieee80211_add_mpath,
3989         .del_mpath = ieee80211_del_mpath,
3990         .change_mpath = ieee80211_change_mpath,
3991         .get_mpath = ieee80211_get_mpath,
3992         .dump_mpath = ieee80211_dump_mpath,
3993         .get_mpp = ieee80211_get_mpp,
3994         .dump_mpp = ieee80211_dump_mpp,
3995         .update_mesh_config = ieee80211_update_mesh_config,
3996         .get_mesh_config = ieee80211_get_mesh_config,
3997         .join_mesh = ieee80211_join_mesh,
3998         .leave_mesh = ieee80211_leave_mesh,
3999 #endif
4000         .join_ocb = ieee80211_join_ocb,
4001         .leave_ocb = ieee80211_leave_ocb,
4002         .change_bss = ieee80211_change_bss,
4003         .set_txq_params = ieee80211_set_txq_params,
4004         .set_monitor_channel = ieee80211_set_monitor_channel,
4005         .suspend = ieee80211_suspend,
4006         .resume = ieee80211_resume,
4007         .scan = ieee80211_scan,
4008         .abort_scan = ieee80211_abort_scan,
4009         .sched_scan_start = ieee80211_sched_scan_start,
4010         .sched_scan_stop = ieee80211_sched_scan_stop,
4011         .auth = ieee80211_auth,
4012         .assoc = ieee80211_assoc,
4013         .deauth = ieee80211_deauth,
4014         .disassoc = ieee80211_disassoc,
4015         .join_ibss = ieee80211_join_ibss,
4016         .leave_ibss = ieee80211_leave_ibss,
4017         .set_mcast_rate = ieee80211_set_mcast_rate,
4018         .set_wiphy_params = ieee80211_set_wiphy_params,
4019         .set_tx_power = ieee80211_set_tx_power,
4020         .get_tx_power = ieee80211_get_tx_power,
4021         .set_wds_peer = ieee80211_set_wds_peer,
4022         .rfkill_poll = ieee80211_rfkill_poll,
4023         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4024         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4025         .set_power_mgmt = ieee80211_set_power_mgmt,
4026         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4027         .remain_on_channel = ieee80211_remain_on_channel,
4028         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4029         .mgmt_tx = ieee80211_mgmt_tx,
4030         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4031         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4032         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4033         .mgmt_frame_register = ieee80211_mgmt_frame_register,
4034         .set_antenna = ieee80211_set_antenna,
4035         .get_antenna = ieee80211_get_antenna,
4036         .set_rekey_data = ieee80211_set_rekey_data,
4037         .tdls_oper = ieee80211_tdls_oper,
4038         .tdls_mgmt = ieee80211_tdls_mgmt,
4039         .tdls_channel_switch = ieee80211_tdls_channel_switch,
4040         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4041         .probe_client = ieee80211_probe_client,
4042         .set_noack_map = ieee80211_set_noack_map,
4043 #ifdef CONFIG_PM
4044         .set_wakeup = ieee80211_set_wakeup,
4045 #endif
4046         .get_channel = ieee80211_cfg_get_channel,
4047         .start_radar_detection = ieee80211_start_radar_detection,
4048         .end_cac = ieee80211_end_cac,
4049         .channel_switch = ieee80211_channel_switch,
4050         .set_qos_map = ieee80211_set_qos_map,
4051         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4052         .add_tx_ts = ieee80211_add_tx_ts,
4053         .del_tx_ts = ieee80211_del_tx_ts,
4054         .start_nan = ieee80211_start_nan,
4055         .stop_nan = ieee80211_stop_nan,
4056         .nan_change_conf = ieee80211_nan_change_conf,
4057         .add_nan_func = ieee80211_add_nan_func,
4058         .del_nan_func = ieee80211_del_nan_func,
4059         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4060         .tx_control_port = ieee80211_tx_control_port,
4061         .get_txq_stats = ieee80211_get_txq_stats,
4062         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4063         .start_pmsr = ieee80211_start_pmsr,
4064         .abort_pmsr = ieee80211_abort_pmsr,
4065         .probe_mesh_link = ieee80211_probe_mesh_link,
4066 };