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         int layer2_update;
1536
1537         if (params->vlan) {
1538                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1539
1540                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1541                     sdata->vif.type != NL80211_IFTYPE_AP)
1542                         return -EINVAL;
1543         } else
1544                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1545
1546         if (ether_addr_equal(mac, sdata->vif.addr))
1547                 return -EINVAL;
1548
1549         if (!is_valid_ether_addr(mac))
1550                 return -EINVAL;
1551
1552         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1553             sdata->vif.type == NL80211_IFTYPE_STATION &&
1554             !sdata->u.mgd.associated)
1555                 return -EINVAL;
1556
1557         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1558         if (!sta)
1559                 return -ENOMEM;
1560
1561         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1562                 sta->sta.tdls = true;
1563
1564         err = sta_apply_parameters(local, sta, params);
1565         if (err) {
1566                 sta_info_free(local, sta);
1567                 return err;
1568         }
1569
1570         /*
1571          * for TDLS and for unassociated station, rate control should be
1572          * initialized only when rates are known and station is marked
1573          * authorized/associated
1574          */
1575         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1576             test_sta_flag(sta, WLAN_STA_ASSOC))
1577                 rate_control_rate_init(sta);
1578
1579         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1580                 sdata->vif.type == NL80211_IFTYPE_AP;
1581
1582         err = sta_info_insert_rcu(sta);
1583         if (err) {
1584                 rcu_read_unlock();
1585                 return err;
1586         }
1587
1588         if (layer2_update)
1589                 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
1590
1591         rcu_read_unlock();
1592
1593         return 0;
1594 }
1595
1596 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1597                                  struct station_del_parameters *params)
1598 {
1599         struct ieee80211_sub_if_data *sdata;
1600
1601         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1602
1603         if (params->mac)
1604                 return sta_info_destroy_addr_bss(sdata, params->mac);
1605
1606         sta_info_flush(sdata);
1607         return 0;
1608 }
1609
1610 static int ieee80211_change_station(struct wiphy *wiphy,
1611                                     struct net_device *dev, const u8 *mac,
1612                                     struct station_parameters *params)
1613 {
1614         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1615         struct ieee80211_local *local = wiphy_priv(wiphy);
1616         struct sta_info *sta;
1617         struct ieee80211_sub_if_data *vlansdata;
1618         enum cfg80211_station_type statype;
1619         int err;
1620
1621         mutex_lock(&local->sta_mtx);
1622
1623         sta = sta_info_get_bss(sdata, mac);
1624         if (!sta) {
1625                 err = -ENOENT;
1626                 goto out_err;
1627         }
1628
1629         switch (sdata->vif.type) {
1630         case NL80211_IFTYPE_MESH_POINT:
1631                 if (sdata->u.mesh.user_mpm)
1632                         statype = CFG80211_STA_MESH_PEER_USER;
1633                 else
1634                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1635                 break;
1636         case NL80211_IFTYPE_ADHOC:
1637                 statype = CFG80211_STA_IBSS;
1638                 break;
1639         case NL80211_IFTYPE_STATION:
1640                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1641                         statype = CFG80211_STA_AP_STA;
1642                         break;
1643                 }
1644                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1645                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1646                 else
1647                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1648                 break;
1649         case NL80211_IFTYPE_AP:
1650         case NL80211_IFTYPE_AP_VLAN:
1651                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1652                         statype = CFG80211_STA_AP_CLIENT;
1653                 else
1654                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1655                 break;
1656         default:
1657                 err = -EOPNOTSUPP;
1658                 goto out_err;
1659         }
1660
1661         err = cfg80211_check_station_change(wiphy, params, statype);
1662         if (err)
1663                 goto out_err;
1664
1665         if (params->vlan && params->vlan != sta->sdata->dev) {
1666                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1667
1668                 if (params->vlan->ieee80211_ptr->use_4addr) {
1669                         if (vlansdata->u.vlan.sta) {
1670                                 err = -EBUSY;
1671                                 goto out_err;
1672                         }
1673
1674                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1675                         __ieee80211_check_fast_rx_iface(vlansdata);
1676                 }
1677
1678                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1679                     sta->sdata->u.vlan.sta)
1680                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1681
1682                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1683                         ieee80211_vif_dec_num_mcast(sta->sdata);
1684
1685                 sta->sdata = vlansdata;
1686                 ieee80211_check_fast_xmit(sta);
1687
1688                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1689                         ieee80211_vif_inc_num_mcast(sta->sdata);
1690
1691                 cfg80211_send_layer2_update(sta->sdata->dev, sta->sta.addr);
1692         }
1693
1694         err = sta_apply_parameters(local, sta, params);
1695         if (err)
1696                 goto out_err;
1697
1698         mutex_unlock(&local->sta_mtx);
1699
1700         if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1701              sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1702             sta->known_smps_mode != sta->sdata->bss->req_smps &&
1703             test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1704             sta_info_tx_streams(sta) != 1) {
1705                 ht_dbg(sta->sdata,
1706                        "%pM just authorized and MIMO capable - update SMPS\n",
1707                        sta->sta.addr);
1708                 ieee80211_send_smps_action(sta->sdata,
1709                         sta->sdata->bss->req_smps,
1710                         sta->sta.addr,
1711                         sta->sdata->vif.bss_conf.bssid);
1712         }
1713
1714         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1715             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1716                 ieee80211_recalc_ps(local);
1717                 ieee80211_recalc_ps_vif(sdata);
1718         }
1719
1720         return 0;
1721 out_err:
1722         mutex_unlock(&local->sta_mtx);
1723         return err;
1724 }
1725
1726 #ifdef CONFIG_MAC80211_MESH
1727 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1728                                const u8 *dst, const u8 *next_hop)
1729 {
1730         struct ieee80211_sub_if_data *sdata;
1731         struct mesh_path *mpath;
1732         struct sta_info *sta;
1733
1734         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1735
1736         rcu_read_lock();
1737         sta = sta_info_get(sdata, next_hop);
1738         if (!sta) {
1739                 rcu_read_unlock();
1740                 return -ENOENT;
1741         }
1742
1743         mpath = mesh_path_add(sdata, dst);
1744         if (IS_ERR(mpath)) {
1745                 rcu_read_unlock();
1746                 return PTR_ERR(mpath);
1747         }
1748
1749         mesh_path_fix_nexthop(mpath, sta);
1750
1751         rcu_read_unlock();
1752         return 0;
1753 }
1754
1755 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1756                                const u8 *dst)
1757 {
1758         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1759
1760         if (dst)
1761                 return mesh_path_del(sdata, dst);
1762
1763         mesh_path_flush_by_iface(sdata);
1764         return 0;
1765 }
1766
1767 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1768                                   const u8 *dst, const u8 *next_hop)
1769 {
1770         struct ieee80211_sub_if_data *sdata;
1771         struct mesh_path *mpath;
1772         struct sta_info *sta;
1773
1774         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1775
1776         rcu_read_lock();
1777
1778         sta = sta_info_get(sdata, next_hop);
1779         if (!sta) {
1780                 rcu_read_unlock();
1781                 return -ENOENT;
1782         }
1783
1784         mpath = mesh_path_lookup(sdata, dst);
1785         if (!mpath) {
1786                 rcu_read_unlock();
1787                 return -ENOENT;
1788         }
1789
1790         mesh_path_fix_nexthop(mpath, sta);
1791
1792         rcu_read_unlock();
1793         return 0;
1794 }
1795
1796 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1797                             struct mpath_info *pinfo)
1798 {
1799         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1800
1801         if (next_hop_sta)
1802                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1803         else
1804                 eth_zero_addr(next_hop);
1805
1806         memset(pinfo, 0, sizeof(*pinfo));
1807
1808         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1809
1810         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1811                         MPATH_INFO_SN |
1812                         MPATH_INFO_METRIC |
1813                         MPATH_INFO_EXPTIME |
1814                         MPATH_INFO_DISCOVERY_TIMEOUT |
1815                         MPATH_INFO_DISCOVERY_RETRIES |
1816                         MPATH_INFO_FLAGS |
1817                         MPATH_INFO_HOP_COUNT |
1818                         MPATH_INFO_PATH_CHANGE;
1819
1820         pinfo->frame_qlen = mpath->frame_queue.qlen;
1821         pinfo->sn = mpath->sn;
1822         pinfo->metric = mpath->metric;
1823         if (time_before(jiffies, mpath->exp_time))
1824                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1825         pinfo->discovery_timeout =
1826                         jiffies_to_msecs(mpath->discovery_timeout);
1827         pinfo->discovery_retries = mpath->discovery_retries;
1828         if (mpath->flags & MESH_PATH_ACTIVE)
1829                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1830         if (mpath->flags & MESH_PATH_RESOLVING)
1831                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1832         if (mpath->flags & MESH_PATH_SN_VALID)
1833                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1834         if (mpath->flags & MESH_PATH_FIXED)
1835                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1836         if (mpath->flags & MESH_PATH_RESOLVED)
1837                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1838         pinfo->hop_count = mpath->hop_count;
1839         pinfo->path_change_count = mpath->path_change_count;
1840 }
1841
1842 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1843                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1844
1845 {
1846         struct ieee80211_sub_if_data *sdata;
1847         struct mesh_path *mpath;
1848
1849         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1850
1851         rcu_read_lock();
1852         mpath = mesh_path_lookup(sdata, dst);
1853         if (!mpath) {
1854                 rcu_read_unlock();
1855                 return -ENOENT;
1856         }
1857         memcpy(dst, mpath->dst, ETH_ALEN);
1858         mpath_set_pinfo(mpath, next_hop, pinfo);
1859         rcu_read_unlock();
1860         return 0;
1861 }
1862
1863 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1864                                 int idx, u8 *dst, u8 *next_hop,
1865                                 struct mpath_info *pinfo)
1866 {
1867         struct ieee80211_sub_if_data *sdata;
1868         struct mesh_path *mpath;
1869
1870         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1871
1872         rcu_read_lock();
1873         mpath = mesh_path_lookup_by_idx(sdata, idx);
1874         if (!mpath) {
1875                 rcu_read_unlock();
1876                 return -ENOENT;
1877         }
1878         memcpy(dst, mpath->dst, ETH_ALEN);
1879         mpath_set_pinfo(mpath, next_hop, pinfo);
1880         rcu_read_unlock();
1881         return 0;
1882 }
1883
1884 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1885                           struct mpath_info *pinfo)
1886 {
1887         memset(pinfo, 0, sizeof(*pinfo));
1888         memcpy(mpp, mpath->mpp, ETH_ALEN);
1889
1890         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1891 }
1892
1893 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1894                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1895
1896 {
1897         struct ieee80211_sub_if_data *sdata;
1898         struct mesh_path *mpath;
1899
1900         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1901
1902         rcu_read_lock();
1903         mpath = mpp_path_lookup(sdata, dst);
1904         if (!mpath) {
1905                 rcu_read_unlock();
1906                 return -ENOENT;
1907         }
1908         memcpy(dst, mpath->dst, ETH_ALEN);
1909         mpp_set_pinfo(mpath, mpp, pinfo);
1910         rcu_read_unlock();
1911         return 0;
1912 }
1913
1914 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1915                               int idx, u8 *dst, u8 *mpp,
1916                               struct mpath_info *pinfo)
1917 {
1918         struct ieee80211_sub_if_data *sdata;
1919         struct mesh_path *mpath;
1920
1921         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1922
1923         rcu_read_lock();
1924         mpath = mpp_path_lookup_by_idx(sdata, idx);
1925         if (!mpath) {
1926                 rcu_read_unlock();
1927                 return -ENOENT;
1928         }
1929         memcpy(dst, mpath->dst, ETH_ALEN);
1930         mpp_set_pinfo(mpath, mpp, pinfo);
1931         rcu_read_unlock();
1932         return 0;
1933 }
1934
1935 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1936                                 struct net_device *dev,
1937                                 struct mesh_config *conf)
1938 {
1939         struct ieee80211_sub_if_data *sdata;
1940         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1941
1942         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1943         return 0;
1944 }
1945
1946 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1947 {
1948         return (mask >> (parm-1)) & 0x1;
1949 }
1950
1951 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1952                 const struct mesh_setup *setup)
1953 {
1954         u8 *new_ie;
1955         const u8 *old_ie;
1956         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1957                                         struct ieee80211_sub_if_data, u.mesh);
1958
1959         /* allocate information elements */
1960         new_ie = NULL;
1961         old_ie = ifmsh->ie;
1962
1963         if (setup->ie_len) {
1964                 new_ie = kmemdup(setup->ie, setup->ie_len,
1965                                 GFP_KERNEL);
1966                 if (!new_ie)
1967                         return -ENOMEM;
1968         }
1969         ifmsh->ie_len = setup->ie_len;
1970         ifmsh->ie = new_ie;
1971         kfree(old_ie);
1972
1973         /* now copy the rest of the setup parameters */
1974         ifmsh->mesh_id_len = setup->mesh_id_len;
1975         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1976         ifmsh->mesh_sp_id = setup->sync_method;
1977         ifmsh->mesh_pp_id = setup->path_sel_proto;
1978         ifmsh->mesh_pm_id = setup->path_metric;
1979         ifmsh->user_mpm = setup->user_mpm;
1980         ifmsh->mesh_auth_id = setup->auth_id;
1981         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1982         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1983         if (setup->is_authenticated)
1984                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1985         if (setup->is_secure)
1986                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1987
1988         /* mcast rate setting in Mesh Node */
1989         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1990                                                 sizeof(setup->mcast_rate));
1991         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1992
1993         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1994         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1995
1996         return 0;
1997 }
1998
1999 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2000                                         struct net_device *dev, u32 mask,
2001                                         const struct mesh_config *nconf)
2002 {
2003         struct mesh_config *conf;
2004         struct ieee80211_sub_if_data *sdata;
2005         struct ieee80211_if_mesh *ifmsh;
2006
2007         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2008         ifmsh = &sdata->u.mesh;
2009
2010         /* Set the config options which we are interested in setting */
2011         conf = &(sdata->u.mesh.mshcfg);
2012         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2013                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2014         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2015                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2016         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2017                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2018         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2019                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2020         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2021                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2022         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2023                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2024         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2025                 conf->element_ttl = nconf->element_ttl;
2026         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2027                 if (ifmsh->user_mpm)
2028                         return -EBUSY;
2029                 conf->auto_open_plinks = nconf->auto_open_plinks;
2030         }
2031         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2032                 conf->dot11MeshNbrOffsetMaxNeighbor =
2033                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2034         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2035                 conf->dot11MeshHWMPmaxPREQretries =
2036                         nconf->dot11MeshHWMPmaxPREQretries;
2037         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2038                 conf->path_refresh_time = nconf->path_refresh_time;
2039         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2040                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2042                 conf->dot11MeshHWMPactivePathTimeout =
2043                         nconf->dot11MeshHWMPactivePathTimeout;
2044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2045                 conf->dot11MeshHWMPpreqMinInterval =
2046                         nconf->dot11MeshHWMPpreqMinInterval;
2047         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2048                 conf->dot11MeshHWMPperrMinInterval =
2049                         nconf->dot11MeshHWMPperrMinInterval;
2050         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2051                            mask))
2052                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2053                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2054         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2055                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2056                 ieee80211_mesh_root_setup(ifmsh);
2057         }
2058         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2059                 /* our current gate announcement implementation rides on root
2060                  * announcements, so require this ifmsh to also be a root node
2061                  * */
2062                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2063                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2064                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2065                         ieee80211_mesh_root_setup(ifmsh);
2066                 }
2067                 conf->dot11MeshGateAnnouncementProtocol =
2068                         nconf->dot11MeshGateAnnouncementProtocol;
2069         }
2070         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2071                 conf->dot11MeshHWMPRannInterval =
2072                         nconf->dot11MeshHWMPRannInterval;
2073         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2074                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2075         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2076                 /* our RSSI threshold implementation is supported only for
2077                  * devices that report signal in dBm.
2078                  */
2079                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2080                         return -ENOTSUPP;
2081                 conf->rssi_threshold = nconf->rssi_threshold;
2082         }
2083         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2084                 conf->ht_opmode = nconf->ht_opmode;
2085                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2086                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2087         }
2088         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2089                 conf->dot11MeshHWMPactivePathToRootTimeout =
2090                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2091         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2092                 conf->dot11MeshHWMProotInterval =
2093                         nconf->dot11MeshHWMProotInterval;
2094         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2095                 conf->dot11MeshHWMPconfirmationInterval =
2096                         nconf->dot11MeshHWMPconfirmationInterval;
2097         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2098                 conf->power_mode = nconf->power_mode;
2099                 ieee80211_mps_local_status_update(sdata);
2100         }
2101         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2102                 conf->dot11MeshAwakeWindowDuration =
2103                         nconf->dot11MeshAwakeWindowDuration;
2104         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2105                 conf->plink_timeout = nconf->plink_timeout;
2106         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2107                 conf->dot11MeshConnectedToMeshGate =
2108                         nconf->dot11MeshConnectedToMeshGate;
2109         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2110         return 0;
2111 }
2112
2113 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2114                                const struct mesh_config *conf,
2115                                const struct mesh_setup *setup)
2116 {
2117         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2118         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2119         int err;
2120
2121         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2122         err = copy_mesh_setup(ifmsh, setup);
2123         if (err)
2124                 return err;
2125
2126         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2127
2128         /* can mesh use other SMPS modes? */
2129         sdata->smps_mode = IEEE80211_SMPS_OFF;
2130         sdata->needed_rx_chains = sdata->local->rx_chains;
2131
2132         mutex_lock(&sdata->local->mtx);
2133         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2134                                         IEEE80211_CHANCTX_SHARED);
2135         mutex_unlock(&sdata->local->mtx);
2136         if (err)
2137                 return err;
2138
2139         return ieee80211_start_mesh(sdata);
2140 }
2141
2142 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2143 {
2144         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2145
2146         ieee80211_stop_mesh(sdata);
2147         mutex_lock(&sdata->local->mtx);
2148         ieee80211_vif_release_channel(sdata);
2149         mutex_unlock(&sdata->local->mtx);
2150
2151         return 0;
2152 }
2153 #endif
2154
2155 static int ieee80211_change_bss(struct wiphy *wiphy,
2156                                 struct net_device *dev,
2157                                 struct bss_parameters *params)
2158 {
2159         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2160         struct ieee80211_supported_band *sband;
2161         u32 changed = 0;
2162
2163         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2164                 return -ENOENT;
2165
2166         sband = ieee80211_get_sband(sdata);
2167         if (!sband)
2168                 return -EINVAL;
2169
2170         if (params->use_cts_prot >= 0) {
2171                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2172                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2173         }
2174         if (params->use_short_preamble >= 0) {
2175                 sdata->vif.bss_conf.use_short_preamble =
2176                         params->use_short_preamble;
2177                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2178         }
2179
2180         if (!sdata->vif.bss_conf.use_short_slot &&
2181             sband->band == NL80211_BAND_5GHZ) {
2182                 sdata->vif.bss_conf.use_short_slot = true;
2183                 changed |= BSS_CHANGED_ERP_SLOT;
2184         }
2185
2186         if (params->use_short_slot_time >= 0) {
2187                 sdata->vif.bss_conf.use_short_slot =
2188                         params->use_short_slot_time;
2189                 changed |= BSS_CHANGED_ERP_SLOT;
2190         }
2191
2192         if (params->basic_rates) {
2193                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2194                                          wiphy->bands[sband->band],
2195                                          params->basic_rates,
2196                                          params->basic_rates_len,
2197                                          &sdata->vif.bss_conf.basic_rates);
2198                 changed |= BSS_CHANGED_BASIC_RATES;
2199                 ieee80211_check_rate_mask(sdata);
2200         }
2201
2202         if (params->ap_isolate >= 0) {
2203                 if (params->ap_isolate)
2204                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2205                 else
2206                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2207                 ieee80211_check_fast_rx_iface(sdata);
2208         }
2209
2210         if (params->ht_opmode >= 0) {
2211                 sdata->vif.bss_conf.ht_operation_mode =
2212                         (u16) params->ht_opmode;
2213                 changed |= BSS_CHANGED_HT;
2214         }
2215
2216         if (params->p2p_ctwindow >= 0) {
2217                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2218                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2219                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2220                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2221                 changed |= BSS_CHANGED_P2P_PS;
2222         }
2223
2224         if (params->p2p_opp_ps > 0) {
2225                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2226                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2227                 changed |= BSS_CHANGED_P2P_PS;
2228         } else if (params->p2p_opp_ps == 0) {
2229                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2230                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2231                 changed |= BSS_CHANGED_P2P_PS;
2232         }
2233
2234         ieee80211_bss_info_change_notify(sdata, changed);
2235
2236         return 0;
2237 }
2238
2239 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2240                                     struct net_device *dev,
2241                                     struct ieee80211_txq_params *params)
2242 {
2243         struct ieee80211_local *local = wiphy_priv(wiphy);
2244         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2245         struct ieee80211_tx_queue_params p;
2246
2247         if (!local->ops->conf_tx)
2248                 return -EOPNOTSUPP;
2249
2250         if (local->hw.queues < IEEE80211_NUM_ACS)
2251                 return -EOPNOTSUPP;
2252
2253         memset(&p, 0, sizeof(p));
2254         p.aifs = params->aifs;
2255         p.cw_max = params->cwmax;
2256         p.cw_min = params->cwmin;
2257         p.txop = params->txop;
2258
2259         /*
2260          * Setting tx queue params disables u-apsd because it's only
2261          * called in master mode.
2262          */
2263         p.uapsd = false;
2264
2265         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2266
2267         sdata->tx_conf[params->ac] = p;
2268         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2269                 wiphy_debug(local->hw.wiphy,
2270                             "failed to set TX queue parameters for AC %d\n",
2271                             params->ac);
2272                 return -EINVAL;
2273         }
2274
2275         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2276
2277         return 0;
2278 }
2279
2280 #ifdef CONFIG_PM
2281 static int ieee80211_suspend(struct wiphy *wiphy,
2282                              struct cfg80211_wowlan *wowlan)
2283 {
2284         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2285 }
2286
2287 static int ieee80211_resume(struct wiphy *wiphy)
2288 {
2289         return __ieee80211_resume(wiphy_priv(wiphy));
2290 }
2291 #else
2292 #define ieee80211_suspend NULL
2293 #define ieee80211_resume NULL
2294 #endif
2295
2296 static int ieee80211_scan(struct wiphy *wiphy,
2297                           struct cfg80211_scan_request *req)
2298 {
2299         struct ieee80211_sub_if_data *sdata;
2300
2301         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2302
2303         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2304         case NL80211_IFTYPE_STATION:
2305         case NL80211_IFTYPE_ADHOC:
2306         case NL80211_IFTYPE_MESH_POINT:
2307         case NL80211_IFTYPE_P2P_CLIENT:
2308         case NL80211_IFTYPE_P2P_DEVICE:
2309                 break;
2310         case NL80211_IFTYPE_P2P_GO:
2311                 if (sdata->local->ops->hw_scan)
2312                         break;
2313                 /*
2314                  * FIXME: implement NoA while scanning in software,
2315                  * for now fall through to allow scanning only when
2316                  * beaconing hasn't been configured yet
2317                  */
2318                 /* fall through */
2319         case NL80211_IFTYPE_AP:
2320                 /*
2321                  * If the scan has been forced (and the driver supports
2322                  * forcing), don't care about being beaconing already.
2323                  * This will create problems to the attached stations (e.g. all
2324                  * the  frames sent while scanning on other channel will be
2325                  * lost)
2326                  */
2327                 if (sdata->u.ap.beacon &&
2328                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2329                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2330                         return -EOPNOTSUPP;
2331                 break;
2332         case NL80211_IFTYPE_NAN:
2333         default:
2334                 return -EOPNOTSUPP;
2335         }
2336
2337         return ieee80211_request_scan(sdata, req);
2338 }
2339
2340 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2341 {
2342         ieee80211_scan_cancel(wiphy_priv(wiphy));
2343 }
2344
2345 static int
2346 ieee80211_sched_scan_start(struct wiphy *wiphy,
2347                            struct net_device *dev,
2348                            struct cfg80211_sched_scan_request *req)
2349 {
2350         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2351
2352         if (!sdata->local->ops->sched_scan_start)
2353                 return -EOPNOTSUPP;
2354
2355         return ieee80211_request_sched_scan_start(sdata, req);
2356 }
2357
2358 static int
2359 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2360                           u64 reqid)
2361 {
2362         struct ieee80211_local *local = wiphy_priv(wiphy);
2363
2364         if (!local->ops->sched_scan_stop)
2365                 return -EOPNOTSUPP;
2366
2367         return ieee80211_request_sched_scan_stop(local);
2368 }
2369
2370 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2371                           struct cfg80211_auth_request *req)
2372 {
2373         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2374 }
2375
2376 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2377                            struct cfg80211_assoc_request *req)
2378 {
2379         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2380 }
2381
2382 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2383                             struct cfg80211_deauth_request *req)
2384 {
2385         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2386 }
2387
2388 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2389                               struct cfg80211_disassoc_request *req)
2390 {
2391         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2392 }
2393
2394 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2395                                struct cfg80211_ibss_params *params)
2396 {
2397         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2398 }
2399
2400 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2401 {
2402         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2403 }
2404
2405 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2406                               struct ocb_setup *setup)
2407 {
2408         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2409 }
2410
2411 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2412 {
2413         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2414 }
2415
2416 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2417                                     int rate[NUM_NL80211_BANDS])
2418 {
2419         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2420
2421         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2422                sizeof(int) * NUM_NL80211_BANDS);
2423
2424         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2425
2426         return 0;
2427 }
2428
2429 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2430 {
2431         struct ieee80211_local *local = wiphy_priv(wiphy);
2432         int err;
2433
2434         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2435                 ieee80211_check_fast_xmit_all(local);
2436
2437                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2438
2439                 if (err) {
2440                         ieee80211_check_fast_xmit_all(local);
2441                         return err;
2442                 }
2443         }
2444
2445         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2446             (changed & WIPHY_PARAM_DYN_ACK)) {
2447                 s16 coverage_class;
2448
2449                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2450                                         wiphy->coverage_class : -1;
2451                 err = drv_set_coverage_class(local, coverage_class);
2452
2453                 if (err)
2454                         return err;
2455         }
2456
2457         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2458                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2459
2460                 if (err)
2461                         return err;
2462         }
2463
2464         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2465                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2466                         return -EINVAL;
2467                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2468         }
2469         if (changed & WIPHY_PARAM_RETRY_LONG) {
2470                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2471                         return -EINVAL;
2472                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2473         }
2474         if (changed &
2475             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2476                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2477
2478         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2479                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2480                        WIPHY_PARAM_TXQ_QUANTUM))
2481                 ieee80211_txq_set_params(local);
2482
2483         return 0;
2484 }
2485
2486 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2487                                   struct wireless_dev *wdev,
2488                                   enum nl80211_tx_power_setting type, int mbm)
2489 {
2490         struct ieee80211_local *local = wiphy_priv(wiphy);
2491         struct ieee80211_sub_if_data *sdata;
2492         enum nl80211_tx_power_setting txp_type = type;
2493         bool update_txp_type = false;
2494         bool has_monitor = false;
2495
2496         if (wdev) {
2497                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2498
2499                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2500                         sdata = rtnl_dereference(local->monitor_sdata);
2501                         if (!sdata)
2502                                 return -EOPNOTSUPP;
2503                 }
2504
2505                 switch (type) {
2506                 case NL80211_TX_POWER_AUTOMATIC:
2507                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2508                         txp_type = NL80211_TX_POWER_LIMITED;
2509                         break;
2510                 case NL80211_TX_POWER_LIMITED:
2511                 case NL80211_TX_POWER_FIXED:
2512                         if (mbm < 0 || (mbm % 100))
2513                                 return -EOPNOTSUPP;
2514                         sdata->user_power_level = MBM_TO_DBM(mbm);
2515                         break;
2516                 }
2517
2518                 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2519                         update_txp_type = true;
2520                         sdata->vif.bss_conf.txpower_type = txp_type;
2521                 }
2522
2523                 ieee80211_recalc_txpower(sdata, update_txp_type);
2524
2525                 return 0;
2526         }
2527
2528         switch (type) {
2529         case NL80211_TX_POWER_AUTOMATIC:
2530                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2531                 txp_type = NL80211_TX_POWER_LIMITED;
2532                 break;
2533         case NL80211_TX_POWER_LIMITED:
2534         case NL80211_TX_POWER_FIXED:
2535                 if (mbm < 0 || (mbm % 100))
2536                         return -EOPNOTSUPP;
2537                 local->user_power_level = MBM_TO_DBM(mbm);
2538                 break;
2539         }
2540
2541         mutex_lock(&local->iflist_mtx);
2542         list_for_each_entry(sdata, &local->interfaces, list) {
2543                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2544                         has_monitor = true;
2545                         continue;
2546                 }
2547                 sdata->user_power_level = local->user_power_level;
2548                 if (txp_type != sdata->vif.bss_conf.txpower_type)
2549                         update_txp_type = true;
2550                 sdata->vif.bss_conf.txpower_type = txp_type;
2551         }
2552         list_for_each_entry(sdata, &local->interfaces, list) {
2553                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2554                         continue;
2555                 ieee80211_recalc_txpower(sdata, update_txp_type);
2556         }
2557         mutex_unlock(&local->iflist_mtx);
2558
2559         if (has_monitor) {
2560                 sdata = rtnl_dereference(local->monitor_sdata);
2561                 if (sdata) {
2562                         sdata->user_power_level = local->user_power_level;
2563                         if (txp_type != sdata->vif.bss_conf.txpower_type)
2564                                 update_txp_type = true;
2565                         sdata->vif.bss_conf.txpower_type = txp_type;
2566
2567                         ieee80211_recalc_txpower(sdata, update_txp_type);
2568                 }
2569         }
2570
2571         return 0;
2572 }
2573
2574 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2575                                   struct wireless_dev *wdev,
2576                                   int *dbm)
2577 {
2578         struct ieee80211_local *local = wiphy_priv(wiphy);
2579         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2580
2581         if (local->ops->get_txpower)
2582                 return drv_get_txpower(local, sdata, dbm);
2583
2584         if (!local->use_chanctx)
2585                 *dbm = local->hw.conf.power_level;
2586         else
2587                 *dbm = sdata->vif.bss_conf.txpower;
2588
2589         return 0;
2590 }
2591
2592 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2593                                   const u8 *addr)
2594 {
2595         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2596
2597         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2598
2599         return 0;
2600 }
2601
2602 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2603 {
2604         struct ieee80211_local *local = wiphy_priv(wiphy);
2605
2606         drv_rfkill_poll(local);
2607 }
2608
2609 #ifdef CONFIG_NL80211_TESTMODE
2610 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2611                                   struct wireless_dev *wdev,
2612                                   void *data, int len)
2613 {
2614         struct ieee80211_local *local = wiphy_priv(wiphy);
2615         struct ieee80211_vif *vif = NULL;
2616
2617         if (!local->ops->testmode_cmd)
2618                 return -EOPNOTSUPP;
2619
2620         if (wdev) {
2621                 struct ieee80211_sub_if_data *sdata;
2622
2623                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2624                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2625                         vif = &sdata->vif;
2626         }
2627
2628         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2629 }
2630
2631 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2632                                    struct sk_buff *skb,
2633                                    struct netlink_callback *cb,
2634                                    void *data, int len)
2635 {
2636         struct ieee80211_local *local = wiphy_priv(wiphy);
2637
2638         if (!local->ops->testmode_dump)
2639                 return -EOPNOTSUPP;
2640
2641         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2642 }
2643 #endif
2644
2645 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2646                                 enum ieee80211_smps_mode smps_mode)
2647 {
2648         struct sta_info *sta;
2649         enum ieee80211_smps_mode old_req;
2650
2651         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2652                 return -EINVAL;
2653
2654         if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2655                 return 0;
2656
2657         old_req = sdata->u.ap.req_smps;
2658         sdata->u.ap.req_smps = smps_mode;
2659
2660         /* AUTOMATIC doesn't mean much for AP - don't allow it */
2661         if (old_req == smps_mode ||
2662             smps_mode == IEEE80211_SMPS_AUTOMATIC)
2663                 return 0;
2664
2665         ht_dbg(sdata,
2666                "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2667                smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2668
2669         mutex_lock(&sdata->local->sta_mtx);
2670         list_for_each_entry(sta, &sdata->local->sta_list, list) {
2671                 /*
2672                  * Only stations associated to our AP and
2673                  * associated VLANs
2674                  */
2675                 if (sta->sdata->bss != &sdata->u.ap)
2676                         continue;
2677
2678                 /* This station doesn't support MIMO - skip it */
2679                 if (sta_info_tx_streams(sta) == 1)
2680                         continue;
2681
2682                 /*
2683                  * Don't wake up a STA just to send the action frame
2684                  * unless we are getting more restrictive.
2685                  */
2686                 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2687                     !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2688                                                    smps_mode)) {
2689                         ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2690                                sta->sta.addr);
2691                         continue;
2692                 }
2693
2694                 /*
2695                  * If the STA is not authorized, wait until it gets
2696                  * authorized and the action frame will be sent then.
2697                  */
2698                 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2699                         continue;
2700
2701                 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2702                 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2703                                            sdata->vif.bss_conf.bssid);
2704         }
2705         mutex_unlock(&sdata->local->sta_mtx);
2706
2707         sdata->smps_mode = smps_mode;
2708         ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2709
2710         return 0;
2711 }
2712
2713 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2714                                  enum ieee80211_smps_mode smps_mode)
2715 {
2716         const u8 *ap;
2717         enum ieee80211_smps_mode old_req;
2718         int err;
2719         struct sta_info *sta;
2720         bool tdls_peer_found = false;
2721
2722         lockdep_assert_held(&sdata->wdev.mtx);
2723
2724         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2725                 return -EINVAL;
2726
2727         old_req = sdata->u.mgd.req_smps;
2728         sdata->u.mgd.req_smps = smps_mode;
2729
2730         if (old_req == smps_mode &&
2731             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2732                 return 0;
2733
2734         /*
2735          * If not associated, or current association is not an HT
2736          * association, there's no need to do anything, just store
2737          * the new value until we associate.
2738          */
2739         if (!sdata->u.mgd.associated ||
2740             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2741                 return 0;
2742
2743         ap = sdata->u.mgd.associated->bssid;
2744
2745         rcu_read_lock();
2746         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2747                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2748                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2749                         continue;
2750
2751                 tdls_peer_found = true;
2752                 break;
2753         }
2754         rcu_read_unlock();
2755
2756         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2757                 if (tdls_peer_found || !sdata->u.mgd.powersave)
2758                         smps_mode = IEEE80211_SMPS_OFF;
2759                 else
2760                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2761         }
2762
2763         /* send SM PS frame to AP */
2764         err = ieee80211_send_smps_action(sdata, smps_mode,
2765                                          ap, ap);
2766         if (err)
2767                 sdata->u.mgd.req_smps = old_req;
2768         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2769                 ieee80211_teardown_tdls_peers(sdata);
2770
2771         return err;
2772 }
2773
2774 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2775                                     bool enabled, int timeout)
2776 {
2777         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2778         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2779
2780         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2781                 return -EOPNOTSUPP;
2782
2783         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2784                 return -EOPNOTSUPP;
2785
2786         if (enabled == sdata->u.mgd.powersave &&
2787             timeout == local->dynamic_ps_forced_timeout)
2788                 return 0;
2789
2790         sdata->u.mgd.powersave = enabled;
2791         local->dynamic_ps_forced_timeout = timeout;
2792
2793         /* no change, but if automatic follow powersave */
2794         sdata_lock(sdata);
2795         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2796         sdata_unlock(sdata);
2797
2798         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2799                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2800
2801         ieee80211_recalc_ps(local);
2802         ieee80211_recalc_ps_vif(sdata);
2803         ieee80211_check_fast_rx_iface(sdata);
2804
2805         return 0;
2806 }
2807
2808 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2809                                          struct net_device *dev,
2810                                          s32 rssi_thold, u32 rssi_hyst)
2811 {
2812         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2813         struct ieee80211_vif *vif = &sdata->vif;
2814         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2815
2816         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2817             rssi_hyst == bss_conf->cqm_rssi_hyst)
2818                 return 0;
2819
2820         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2821             !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2822                 return -EOPNOTSUPP;
2823
2824         bss_conf->cqm_rssi_thold = rssi_thold;
2825         bss_conf->cqm_rssi_hyst = rssi_hyst;
2826         bss_conf->cqm_rssi_low = 0;
2827         bss_conf->cqm_rssi_high = 0;
2828         sdata->u.mgd.last_cqm_event_signal = 0;
2829
2830         /* tell the driver upon association, unless already associated */
2831         if (sdata->u.mgd.associated &&
2832             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2833                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2834
2835         return 0;
2836 }
2837
2838 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2839                                                struct net_device *dev,
2840                                                s32 rssi_low, s32 rssi_high)
2841 {
2842         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2843         struct ieee80211_vif *vif = &sdata->vif;
2844         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2845
2846         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2847                 return -EOPNOTSUPP;
2848
2849         bss_conf->cqm_rssi_low = rssi_low;
2850         bss_conf->cqm_rssi_high = rssi_high;
2851         bss_conf->cqm_rssi_thold = 0;
2852         bss_conf->cqm_rssi_hyst = 0;
2853         sdata->u.mgd.last_cqm_event_signal = 0;
2854
2855         /* tell the driver upon association, unless already associated */
2856         if (sdata->u.mgd.associated &&
2857             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2858                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2859
2860         return 0;
2861 }
2862
2863 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2864                                       struct net_device *dev,
2865                                       const u8 *addr,
2866                                       const struct cfg80211_bitrate_mask *mask)
2867 {
2868         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2869         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2870         int i, ret;
2871
2872         if (!ieee80211_sdata_running(sdata))
2873                 return -ENETDOWN;
2874
2875         /*
2876          * If active validate the setting and reject it if it doesn't leave
2877          * at least one basic rate usable, since we really have to be able
2878          * to send something, and if we're an AP we have to be able to do
2879          * so at a basic rate so that all clients can receive it.
2880          */
2881         if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2882             sdata->vif.bss_conf.chandef.chan) {
2883                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2884                 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2885
2886                 if (!(mask->control[band].legacy & basic_rates))
2887                         return -EINVAL;
2888         }
2889
2890         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2891                 ret = drv_set_bitrate_mask(local, sdata, mask);
2892                 if (ret)
2893                         return ret;
2894         }
2895
2896         for (i = 0; i < NUM_NL80211_BANDS; i++) {
2897                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2898                 int j;
2899
2900                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2901                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2902                        sizeof(mask->control[i].ht_mcs));
2903                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2904                        mask->control[i].vht_mcs,
2905                        sizeof(mask->control[i].vht_mcs));
2906
2907                 sdata->rc_has_mcs_mask[i] = false;
2908                 sdata->rc_has_vht_mcs_mask[i] = false;
2909                 if (!sband)
2910                         continue;
2911
2912                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2913                         if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2914                                 sdata->rc_has_mcs_mask[i] = true;
2915                                 break;
2916                         }
2917                 }
2918
2919                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2920                         if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2921                                 sdata->rc_has_vht_mcs_mask[i] = true;
2922                                 break;
2923                         }
2924                 }
2925         }
2926
2927         return 0;
2928 }
2929
2930 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2931                                            struct net_device *dev,
2932                                            struct cfg80211_chan_def *chandef,
2933                                            u32 cac_time_ms)
2934 {
2935         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2936         struct ieee80211_local *local = sdata->local;
2937         int err;
2938
2939         mutex_lock(&local->mtx);
2940         if (!list_empty(&local->roc_list) || local->scanning) {
2941                 err = -EBUSY;
2942                 goto out_unlock;
2943         }
2944
2945         /* whatever, but channel contexts should not complain about that one */
2946         sdata->smps_mode = IEEE80211_SMPS_OFF;
2947         sdata->needed_rx_chains = local->rx_chains;
2948
2949         err = ieee80211_vif_use_channel(sdata, chandef,
2950                                         IEEE80211_CHANCTX_SHARED);
2951         if (err)
2952                 goto out_unlock;
2953
2954         ieee80211_queue_delayed_work(&sdata->local->hw,
2955                                      &sdata->dfs_cac_timer_work,
2956                                      msecs_to_jiffies(cac_time_ms));
2957
2958  out_unlock:
2959         mutex_unlock(&local->mtx);
2960         return err;
2961 }
2962
2963 static struct cfg80211_beacon_data *
2964 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2965 {
2966         struct cfg80211_beacon_data *new_beacon;
2967         u8 *pos;
2968         int len;
2969
2970         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2971               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2972               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2973
2974         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2975         if (!new_beacon)
2976                 return NULL;
2977
2978         pos = (u8 *)(new_beacon + 1);
2979         if (beacon->head_len) {
2980                 new_beacon->head_len = beacon->head_len;
2981                 new_beacon->head = pos;
2982                 memcpy(pos, beacon->head, beacon->head_len);
2983                 pos += beacon->head_len;
2984         }
2985         if (beacon->tail_len) {
2986                 new_beacon->tail_len = beacon->tail_len;
2987                 new_beacon->tail = pos;
2988                 memcpy(pos, beacon->tail, beacon->tail_len);
2989                 pos += beacon->tail_len;
2990         }
2991         if (beacon->beacon_ies_len) {
2992                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2993                 new_beacon->beacon_ies = pos;
2994                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2995                 pos += beacon->beacon_ies_len;
2996         }
2997         if (beacon->proberesp_ies_len) {
2998                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2999                 new_beacon->proberesp_ies = pos;
3000                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3001                 pos += beacon->proberesp_ies_len;
3002         }
3003         if (beacon->assocresp_ies_len) {
3004                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3005                 new_beacon->assocresp_ies = pos;
3006                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3007                 pos += beacon->assocresp_ies_len;
3008         }
3009         if (beacon->probe_resp_len) {
3010                 new_beacon->probe_resp_len = beacon->probe_resp_len;
3011                 new_beacon->probe_resp = pos;
3012                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3013                 pos += beacon->probe_resp_len;
3014         }
3015
3016         /* might copy -1, meaning no changes requested */
3017         new_beacon->ftm_responder = beacon->ftm_responder;
3018         if (beacon->lci) {
3019                 new_beacon->lci_len = beacon->lci_len;
3020                 new_beacon->lci = pos;
3021                 memcpy(pos, beacon->lci, beacon->lci_len);
3022                 pos += beacon->lci_len;
3023         }
3024         if (beacon->civicloc) {
3025                 new_beacon->civicloc_len = beacon->civicloc_len;
3026                 new_beacon->civicloc = pos;
3027                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3028                 pos += beacon->civicloc_len;
3029         }
3030
3031         return new_beacon;
3032 }
3033
3034 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3035 {
3036         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3037
3038         ieee80211_queue_work(&sdata->local->hw,
3039                              &sdata->csa_finalize_work);
3040 }
3041 EXPORT_SYMBOL(ieee80211_csa_finish);
3042
3043 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3044                                           u32 *changed)
3045 {
3046         int err;
3047
3048         switch (sdata->vif.type) {
3049         case NL80211_IFTYPE_AP:
3050                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3051                                               NULL);
3052                 kfree(sdata->u.ap.next_beacon);
3053                 sdata->u.ap.next_beacon = NULL;
3054
3055                 if (err < 0)
3056                         return err;
3057                 *changed |= err;
3058                 break;
3059         case NL80211_IFTYPE_ADHOC:
3060                 err = ieee80211_ibss_finish_csa(sdata);
3061                 if (err < 0)
3062                         return err;
3063                 *changed |= err;
3064                 break;
3065 #ifdef CONFIG_MAC80211_MESH
3066         case NL80211_IFTYPE_MESH_POINT:
3067                 err = ieee80211_mesh_finish_csa(sdata);
3068                 if (err < 0)
3069                         return err;
3070                 *changed |= err;
3071                 break;
3072 #endif
3073         default:
3074                 WARN_ON(1);
3075                 return -EINVAL;
3076         }
3077
3078         return 0;
3079 }
3080
3081 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3082 {
3083         struct ieee80211_local *local = sdata->local;
3084         u32 changed = 0;
3085         int err;
3086
3087         sdata_assert_lock(sdata);
3088         lockdep_assert_held(&local->mtx);
3089         lockdep_assert_held(&local->chanctx_mtx);
3090
3091         /*
3092          * using reservation isn't immediate as it may be deferred until later
3093          * with multi-vif. once reservation is complete it will re-schedule the
3094          * work with no reserved_chanctx so verify chandef to check if it
3095          * completed successfully
3096          */
3097
3098         if (sdata->reserved_chanctx) {
3099                 /*
3100                  * with multi-vif csa driver may call ieee80211_csa_finish()
3101                  * many times while waiting for other interfaces to use their
3102                  * reservations
3103                  */
3104                 if (sdata->reserved_ready)
3105                         return 0;
3106
3107                 return ieee80211_vif_use_reserved_context(sdata);
3108         }
3109
3110         if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3111                                         &sdata->csa_chandef))
3112                 return -EINVAL;
3113
3114         sdata->vif.csa_active = false;
3115
3116         err = ieee80211_set_after_csa_beacon(sdata, &changed);
3117         if (err)
3118                 return err;
3119
3120         ieee80211_bss_info_change_notify(sdata, changed);
3121
3122         if (sdata->csa_block_tx) {
3123                 ieee80211_wake_vif_queues(local, sdata,
3124                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3125                 sdata->csa_block_tx = false;
3126         }
3127
3128         err = drv_post_channel_switch(sdata);
3129         if (err)
3130                 return err;
3131
3132         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3133
3134         return 0;
3135 }
3136
3137 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3138 {
3139         if (__ieee80211_csa_finalize(sdata)) {
3140                 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3141                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3142                                     GFP_KERNEL);
3143         }
3144 }
3145
3146 void ieee80211_csa_finalize_work(struct work_struct *work)
3147 {
3148         struct ieee80211_sub_if_data *sdata =
3149                 container_of(work, struct ieee80211_sub_if_data,
3150                              csa_finalize_work);
3151         struct ieee80211_local *local = sdata->local;
3152
3153         sdata_lock(sdata);
3154         mutex_lock(&local->mtx);
3155         mutex_lock(&local->chanctx_mtx);
3156
3157         /* AP might have been stopped while waiting for the lock. */
3158         if (!sdata->vif.csa_active)
3159                 goto unlock;
3160
3161         if (!ieee80211_sdata_running(sdata))
3162                 goto unlock;
3163
3164         ieee80211_csa_finalize(sdata);
3165
3166 unlock:
3167         mutex_unlock(&local->chanctx_mtx);
3168         mutex_unlock(&local->mtx);
3169         sdata_unlock(sdata);
3170 }
3171
3172 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3173                                     struct cfg80211_csa_settings *params,
3174                                     u32 *changed)
3175 {
3176         struct ieee80211_csa_settings csa = {};
3177         int err;
3178
3179         switch (sdata->vif.type) {
3180         case NL80211_IFTYPE_AP:
3181                 sdata->u.ap.next_beacon =
3182                         cfg80211_beacon_dup(&params->beacon_after);
3183                 if (!sdata->u.ap.next_beacon)
3184                         return -ENOMEM;
3185
3186                 /*
3187                  * With a count of 0, we don't have to wait for any
3188                  * TBTT before switching, so complete the CSA
3189                  * immediately.  In theory, with a count == 1 we
3190                  * should delay the switch until just before the next
3191                  * TBTT, but that would complicate things so we switch
3192                  * immediately too.  If we would delay the switch
3193                  * until the next TBTT, we would have to set the probe
3194                  * response here.
3195                  *
3196                  * TODO: A channel switch with count <= 1 without
3197                  * sending a CSA action frame is kind of useless,
3198                  * because the clients won't know we're changing
3199                  * channels.  The action frame must be implemented
3200                  * either here or in the userspace.
3201                  */
3202                 if (params->count <= 1)
3203                         break;
3204
3205                 if ((params->n_counter_offsets_beacon >
3206                      IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3207                     (params->n_counter_offsets_presp >
3208                      IEEE80211_MAX_CSA_COUNTERS_NUM))
3209                         return -EINVAL;
3210
3211                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3212                 csa.counter_offsets_presp = params->counter_offsets_presp;
3213                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3214                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3215                 csa.count = params->count;
3216
3217                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3218                 if (err < 0) {
3219                         kfree(sdata->u.ap.next_beacon);
3220                         return err;
3221                 }
3222                 *changed |= err;
3223
3224                 break;
3225         case NL80211_IFTYPE_ADHOC:
3226                 if (!sdata->vif.bss_conf.ibss_joined)
3227                         return -EINVAL;
3228
3229                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3230                         return -EINVAL;
3231
3232                 switch (params->chandef.width) {
3233                 case NL80211_CHAN_WIDTH_40:
3234                         if (cfg80211_get_chandef_type(&params->chandef) !=
3235                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3236                                 return -EINVAL;
3237                 case NL80211_CHAN_WIDTH_5:
3238                 case NL80211_CHAN_WIDTH_10:
3239                 case NL80211_CHAN_WIDTH_20_NOHT:
3240                 case NL80211_CHAN_WIDTH_20:
3241                         break;
3242                 default:
3243                         return -EINVAL;
3244                 }
3245
3246                 /* changes into another band are not supported */
3247                 if (sdata->u.ibss.chandef.chan->band !=
3248                     params->chandef.chan->band)
3249                         return -EINVAL;
3250
3251                 /* see comments in the NL80211_IFTYPE_AP block */
3252                 if (params->count > 1) {
3253                         err = ieee80211_ibss_csa_beacon(sdata, params);
3254                         if (err < 0)
3255                                 return err;
3256                         *changed |= err;
3257                 }
3258
3259                 ieee80211_send_action_csa(sdata, params);
3260
3261                 break;
3262 #ifdef CONFIG_MAC80211_MESH
3263         case NL80211_IFTYPE_MESH_POINT: {
3264                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3265
3266                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3267                         return -EINVAL;
3268
3269                 /* changes into another band are not supported */
3270                 if (sdata->vif.bss_conf.chandef.chan->band !=
3271                     params->chandef.chan->band)
3272                         return -EINVAL;
3273
3274                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3275                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3276                         if (!ifmsh->pre_value)
3277                                 ifmsh->pre_value = 1;
3278                         else
3279                                 ifmsh->pre_value++;
3280                 }
3281
3282                 /* see comments in the NL80211_IFTYPE_AP block */
3283                 if (params->count > 1) {
3284                         err = ieee80211_mesh_csa_beacon(sdata, params);
3285                         if (err < 0) {
3286                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3287                                 return err;
3288                         }
3289                         *changed |= err;
3290                 }
3291
3292                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3293                         ieee80211_send_action_csa(sdata, params);
3294
3295                 break;
3296                 }
3297 #endif
3298         default:
3299                 return -EOPNOTSUPP;
3300         }
3301
3302         return 0;
3303 }
3304
3305 static int
3306 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3307                            struct cfg80211_csa_settings *params)
3308 {
3309         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3310         struct ieee80211_local *local = sdata->local;
3311         struct ieee80211_channel_switch ch_switch;
3312         struct ieee80211_chanctx_conf *conf;
3313         struct ieee80211_chanctx *chanctx;
3314         u32 changed = 0;
3315         int err;
3316
3317         sdata_assert_lock(sdata);
3318         lockdep_assert_held(&local->mtx);
3319
3320         if (!list_empty(&local->roc_list) || local->scanning)
3321                 return -EBUSY;
3322
3323         if (sdata->wdev.cac_started)
3324                 return -EBUSY;
3325
3326         if (cfg80211_chandef_identical(&params->chandef,
3327                                        &sdata->vif.bss_conf.chandef))
3328                 return -EINVAL;
3329
3330         /* don't allow another channel switch if one is already active. */
3331         if (sdata->vif.csa_active)
3332                 return -EBUSY;
3333
3334         mutex_lock(&local->chanctx_mtx);
3335         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3336                                          lockdep_is_held(&local->chanctx_mtx));
3337         if (!conf) {
3338                 err = -EBUSY;
3339                 goto out;
3340         }
3341
3342         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3343
3344         ch_switch.timestamp = 0;
3345         ch_switch.device_timestamp = 0;
3346         ch_switch.block_tx = params->block_tx;
3347         ch_switch.chandef = params->chandef;
3348         ch_switch.count = params->count;
3349
3350         err = drv_pre_channel_switch(sdata, &ch_switch);
3351         if (err)
3352                 goto out;
3353
3354         err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3355                                             chanctx->mode,
3356                                             params->radar_required);
3357         if (err)
3358                 goto out;
3359
3360         /* if reservation is invalid then this will fail */
3361         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3362         if (err) {
3363                 ieee80211_vif_unreserve_chanctx(sdata);
3364                 goto out;
3365         }
3366
3367         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3368         if (err) {
3369                 ieee80211_vif_unreserve_chanctx(sdata);
3370                 goto out;
3371         }
3372
3373         sdata->csa_chandef = params->chandef;
3374         sdata->csa_block_tx = params->block_tx;
3375         sdata->vif.csa_active = true;
3376
3377         if (sdata->csa_block_tx)
3378                 ieee80211_stop_vif_queues(local, sdata,
3379                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3380
3381         cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3382                                           params->count);
3383
3384         if (changed) {
3385                 ieee80211_bss_info_change_notify(sdata, changed);
3386                 drv_channel_switch_beacon(sdata, &params->chandef);
3387         } else {
3388                 /* if the beacon didn't change, we can finalize immediately */
3389                 ieee80211_csa_finalize(sdata);
3390         }
3391
3392 out:
3393         mutex_unlock(&local->chanctx_mtx);
3394         return err;
3395 }
3396
3397 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3398                              struct cfg80211_csa_settings *params)
3399 {
3400         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3401         struct ieee80211_local *local = sdata->local;
3402         int err;
3403
3404         mutex_lock(&local->mtx);
3405         err = __ieee80211_channel_switch(wiphy, dev, params);
3406         mutex_unlock(&local->mtx);
3407
3408         return err;
3409 }
3410
3411 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3412 {
3413         lockdep_assert_held(&local->mtx);
3414
3415         local->roc_cookie_counter++;
3416
3417         /* wow, you wrapped 64 bits ... more likely a bug */
3418         if (WARN_ON(local->roc_cookie_counter == 0))
3419                 local->roc_cookie_counter++;
3420
3421         return local->roc_cookie_counter;
3422 }
3423
3424 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3425                              u64 *cookie, gfp_t gfp)
3426 {
3427         unsigned long spin_flags;
3428         struct sk_buff *ack_skb;
3429         int id;
3430
3431         ack_skb = skb_copy(skb, gfp);
3432         if (!ack_skb)
3433                 return -ENOMEM;
3434
3435         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3436         id = idr_alloc(&local->ack_status_frames, ack_skb,
3437                        1, 0x10000, GFP_ATOMIC);
3438         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3439
3440         if (id < 0) {
3441                 kfree_skb(ack_skb);
3442                 return -ENOMEM;
3443         }
3444
3445         IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3446
3447         *cookie = ieee80211_mgmt_tx_cookie(local);
3448         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3449
3450         return 0;
3451 }
3452
3453 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3454                                           struct wireless_dev *wdev,
3455                                           u16 frame_type, bool reg)
3456 {
3457         struct ieee80211_local *local = wiphy_priv(wiphy);
3458         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3459
3460         switch (frame_type) {
3461         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3462                 if (reg) {
3463                         local->probe_req_reg++;
3464                         sdata->vif.probe_req_reg++;
3465                 } else {
3466                         if (local->probe_req_reg)
3467                                 local->probe_req_reg--;
3468
3469                         if (sdata->vif.probe_req_reg)
3470                                 sdata->vif.probe_req_reg--;
3471                 }
3472
3473                 if (!local->open_count)
3474                         break;
3475
3476                 if (sdata->vif.probe_req_reg == 1)
3477                         drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3478                                                 FIF_PROBE_REQ);
3479                 else if (sdata->vif.probe_req_reg == 0)
3480                         drv_config_iface_filter(local, sdata, 0,
3481                                                 FIF_PROBE_REQ);
3482
3483                 ieee80211_configure_filter(local);
3484                 break;
3485         default:
3486                 break;
3487         }
3488 }
3489
3490 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3491 {
3492         struct ieee80211_local *local = wiphy_priv(wiphy);
3493
3494         if (local->started)
3495                 return -EOPNOTSUPP;
3496
3497         return drv_set_antenna(local, tx_ant, rx_ant);
3498 }
3499
3500 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3501 {
3502         struct ieee80211_local *local = wiphy_priv(wiphy);
3503
3504         return drv_get_antenna(local, tx_ant, rx_ant);
3505 }
3506
3507 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3508                                     struct net_device *dev,
3509                                     struct cfg80211_gtk_rekey_data *data)
3510 {
3511         struct ieee80211_local *local = wiphy_priv(wiphy);
3512         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3513
3514         if (!local->ops->set_rekey_data)
3515                 return -EOPNOTSUPP;
3516
3517         drv_set_rekey_data(local, sdata, data);
3518
3519         return 0;
3520 }
3521
3522 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3523                                   const u8 *peer, u64 *cookie)
3524 {
3525         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3526         struct ieee80211_local *local = sdata->local;
3527         struct ieee80211_qos_hdr *nullfunc;
3528         struct sk_buff *skb;
3529         int size = sizeof(*nullfunc);
3530         __le16 fc;
3531         bool qos;
3532         struct ieee80211_tx_info *info;
3533         struct sta_info *sta;
3534         struct ieee80211_chanctx_conf *chanctx_conf;
3535         enum nl80211_band band;
3536         int ret;
3537
3538         /* the lock is needed to assign the cookie later */
3539         mutex_lock(&local->mtx);
3540
3541         rcu_read_lock();
3542         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3543         if (WARN_ON(!chanctx_conf)) {
3544                 ret = -EINVAL;
3545                 goto unlock;
3546         }
3547         band = chanctx_conf->def.chan->band;
3548         sta = sta_info_get_bss(sdata, peer);
3549         if (sta) {
3550                 qos = sta->sta.wme;
3551         } else {
3552                 ret = -ENOLINK;
3553                 goto unlock;
3554         }
3555
3556         if (qos) {
3557                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3558                                  IEEE80211_STYPE_QOS_NULLFUNC |
3559                                  IEEE80211_FCTL_FROMDS);
3560         } else {
3561                 size -= 2;
3562                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3563                                  IEEE80211_STYPE_NULLFUNC |
3564                                  IEEE80211_FCTL_FROMDS);
3565         }
3566
3567         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3568         if (!skb) {
3569                 ret = -ENOMEM;
3570                 goto unlock;
3571         }
3572
3573         skb->dev = dev;
3574
3575         skb_reserve(skb, local->hw.extra_tx_headroom);
3576
3577         nullfunc = skb_put(skb, size);
3578         nullfunc->frame_control = fc;
3579         nullfunc->duration_id = 0;
3580         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3581         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3582         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3583         nullfunc->seq_ctrl = 0;
3584
3585         info = IEEE80211_SKB_CB(skb);
3586
3587         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3588                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3589         info->band = band;
3590
3591         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3592         skb->priority = 7;
3593         if (qos)
3594                 nullfunc->qos_ctrl = cpu_to_le16(7);
3595
3596         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3597         if (ret) {
3598                 kfree_skb(skb);
3599                 goto unlock;
3600         }
3601
3602         local_bh_disable();
3603         ieee80211_xmit(sdata, sta, skb, 0);
3604         local_bh_enable();
3605
3606         ret = 0;
3607 unlock:
3608         rcu_read_unlock();
3609         mutex_unlock(&local->mtx);
3610
3611         return ret;
3612 }
3613
3614 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3615                                      struct wireless_dev *wdev,
3616                                      struct cfg80211_chan_def *chandef)
3617 {
3618         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3619         struct ieee80211_local *local = wiphy_priv(wiphy);
3620         struct ieee80211_chanctx_conf *chanctx_conf;
3621         int ret = -ENODATA;
3622
3623         rcu_read_lock();
3624         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3625         if (chanctx_conf) {
3626                 *chandef = sdata->vif.bss_conf.chandef;
3627                 ret = 0;
3628         } else if (local->open_count > 0 &&
3629                    local->open_count == local->monitors &&
3630                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3631                 if (local->use_chanctx)
3632                         *chandef = local->monitor_chandef;
3633                 else
3634                         *chandef = local->_oper_chandef;
3635                 ret = 0;
3636         }
3637         rcu_read_unlock();
3638
3639         return ret;
3640 }
3641
3642 #ifdef CONFIG_PM
3643 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3644 {
3645         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3646 }
3647 #endif
3648
3649 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3650                                  struct net_device *dev,
3651                                  struct cfg80211_qos_map *qos_map)
3652 {
3653         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3654         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3655
3656         if (qos_map) {
3657                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3658                 if (!new_qos_map)
3659                         return -ENOMEM;
3660                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3661         } else {
3662                 /* A NULL qos_map was passed to disable QoS mapping */
3663                 new_qos_map = NULL;
3664         }
3665
3666         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3667         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3668         if (old_qos_map)
3669                 kfree_rcu(old_qos_map, rcu_head);
3670
3671         return 0;
3672 }
3673
3674 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3675                                       struct net_device *dev,
3676                                       struct cfg80211_chan_def *chandef)
3677 {
3678         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3679         int ret;
3680         u32 changed = 0;
3681
3682         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3683         if (ret == 0)
3684                 ieee80211_bss_info_change_notify(sdata, changed);
3685
3686         return ret;
3687 }
3688
3689 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3690                                u8 tsid, const u8 *peer, u8 up,
3691                                u16 admitted_time)
3692 {
3693         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3694         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3695         int ac = ieee802_1d_to_ac[up];
3696
3697         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3698                 return -EOPNOTSUPP;
3699
3700         if (!(sdata->wmm_acm & BIT(up)))
3701                 return -EINVAL;
3702
3703         if (ifmgd->tx_tspec[ac].admitted_time)
3704                 return -EBUSY;
3705
3706         if (admitted_time) {
3707                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3708                 ifmgd->tx_tspec[ac].tsid = tsid;
3709                 ifmgd->tx_tspec[ac].up = up;
3710         }
3711
3712         return 0;
3713 }
3714
3715 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3716                                u8 tsid, const u8 *peer)
3717 {
3718         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3719         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3720         struct ieee80211_local *local = wiphy_priv(wiphy);
3721         int ac;
3722
3723         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3724                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3725
3726                 /* skip unused entries */
3727                 if (!tx_tspec->admitted_time)
3728                         continue;
3729
3730                 if (tx_tspec->tsid != tsid)
3731                         continue;
3732
3733                 /* due to this new packets will be reassigned to non-ACM ACs */
3734                 tx_tspec->up = -1;
3735
3736                 /* Make sure that all packets have been sent to avoid to
3737                  * restore the QoS params on packets that are still on the
3738                  * queues.
3739                  */
3740                 synchronize_net();
3741                 ieee80211_flush_queues(local, sdata, false);
3742
3743                 /* restore the normal QoS parameters
3744                  * (unconditionally to avoid races)
3745                  */
3746                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3747                 tx_tspec->downgraded = false;
3748                 ieee80211_sta_handle_tspec_ac_params(sdata);
3749
3750                 /* finally clear all the data */
3751                 memset(tx_tspec, 0, sizeof(*tx_tspec));
3752
3753                 return 0;
3754         }
3755
3756         return -ENOENT;
3757 }
3758
3759 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3760                                    u8 inst_id,
3761                                    enum nl80211_nan_func_term_reason reason,
3762                                    gfp_t gfp)
3763 {
3764         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3765         struct cfg80211_nan_func *func;
3766         u64 cookie;
3767
3768         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3769                 return;
3770
3771         spin_lock_bh(&sdata->u.nan.func_lock);
3772
3773         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3774         if (WARN_ON(!func)) {
3775                 spin_unlock_bh(&sdata->u.nan.func_lock);
3776                 return;
3777         }
3778
3779         cookie = func->cookie;
3780         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3781
3782         spin_unlock_bh(&sdata->u.nan.func_lock);
3783
3784         cfg80211_free_nan_func(func);
3785
3786         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3787                                      reason, cookie, gfp);
3788 }
3789 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3790
3791 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3792                               struct cfg80211_nan_match_params *match,
3793                               gfp_t gfp)
3794 {
3795         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3796         struct cfg80211_nan_func *func;
3797
3798         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3799                 return;
3800
3801         spin_lock_bh(&sdata->u.nan.func_lock);
3802
3803         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3804         if (WARN_ON(!func)) {
3805                 spin_unlock_bh(&sdata->u.nan.func_lock);
3806                 return;
3807         }
3808         match->cookie = func->cookie;
3809
3810         spin_unlock_bh(&sdata->u.nan.func_lock);
3811
3812         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3813 }
3814 EXPORT_SYMBOL(ieee80211_nan_func_match);
3815
3816 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3817                                               struct net_device *dev,
3818                                               const bool enabled)
3819 {
3820         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3821
3822         sdata->u.ap.multicast_to_unicast = enabled;
3823
3824         return 0;
3825 }
3826
3827 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3828                               struct txq_info *txqi)
3829 {
3830         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3831                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3832                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3833         }
3834
3835         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3836                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3837                 txqstats->backlog_packets = txqi->tin.backlog_packets;
3838         }
3839
3840         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3841                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3842                 txqstats->flows = txqi->tin.flows;
3843         }
3844
3845         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3846                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3847                 txqstats->drops = txqi->cstats.drop_count;
3848         }
3849
3850         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3851                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3852                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3853         }
3854
3855         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3856                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3857                 txqstats->overlimit = txqi->tin.overlimit;
3858         }
3859
3860         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3861                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3862                 txqstats->collisions = txqi->tin.collisions;
3863         }
3864
3865         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3866                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3867                 txqstats->tx_bytes = txqi->tin.tx_bytes;
3868         }
3869
3870         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3871                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3872                 txqstats->tx_packets = txqi->tin.tx_packets;
3873         }
3874 }
3875
3876 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3877                                    struct wireless_dev *wdev,
3878                                    struct cfg80211_txq_stats *txqstats)
3879 {
3880         struct ieee80211_local *local = wiphy_priv(wiphy);
3881         struct ieee80211_sub_if_data *sdata;
3882         int ret = 0;
3883
3884         if (!local->ops->wake_tx_queue)
3885                 return 1;
3886
3887         spin_lock_bh(&local->fq.lock);
3888         rcu_read_lock();
3889
3890         if (wdev) {
3891                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3892                 if (!sdata->vif.txq) {
3893                         ret = 1;
3894                         goto out;
3895                 }
3896                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3897         } else {
3898                 /* phy stats */
3899                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3900                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3901                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3902                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3903                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
3904                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3905                 txqstats->backlog_packets = local->fq.backlog;
3906                 txqstats->backlog_bytes = local->fq.memory_usage;
3907                 txqstats->overlimit = local->fq.overlimit;
3908                 txqstats->overmemory = local->fq.overmemory;
3909                 txqstats->collisions = local->fq.collisions;
3910                 txqstats->max_flows = local->fq.flows_cnt;
3911         }
3912
3913 out:
3914         rcu_read_unlock();
3915         spin_unlock_bh(&local->fq.lock);
3916
3917         return ret;
3918 }
3919
3920 static int
3921 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3922                                   struct net_device *dev,
3923                                   struct cfg80211_ftm_responder_stats *ftm_stats)
3924 {
3925         struct ieee80211_local *local = wiphy_priv(wiphy);
3926         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3927
3928         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3929 }
3930
3931 static int
3932 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3933                      struct cfg80211_pmsr_request *request)
3934 {
3935         struct ieee80211_local *local = wiphy_priv(wiphy);
3936         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3937
3938         return drv_start_pmsr(local, sdata, request);
3939 }
3940
3941 static void
3942 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3943                      struct cfg80211_pmsr_request *request)
3944 {
3945         struct ieee80211_local *local = wiphy_priv(wiphy);
3946         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3947
3948         return drv_abort_pmsr(local, sdata, request);
3949 }
3950
3951 const struct cfg80211_ops mac80211_config_ops = {
3952         .add_virtual_intf = ieee80211_add_iface,
3953         .del_virtual_intf = ieee80211_del_iface,
3954         .change_virtual_intf = ieee80211_change_iface,
3955         .start_p2p_device = ieee80211_start_p2p_device,
3956         .stop_p2p_device = ieee80211_stop_p2p_device,
3957         .add_key = ieee80211_add_key,
3958         .del_key = ieee80211_del_key,
3959         .get_key = ieee80211_get_key,
3960         .set_default_key = ieee80211_config_default_key,
3961         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3962         .start_ap = ieee80211_start_ap,
3963         .change_beacon = ieee80211_change_beacon,
3964         .stop_ap = ieee80211_stop_ap,
3965         .add_station = ieee80211_add_station,
3966         .del_station = ieee80211_del_station,
3967         .change_station = ieee80211_change_station,
3968         .get_station = ieee80211_get_station,
3969         .dump_station = ieee80211_dump_station,
3970         .dump_survey = ieee80211_dump_survey,
3971 #ifdef CONFIG_MAC80211_MESH
3972         .add_mpath = ieee80211_add_mpath,
3973         .del_mpath = ieee80211_del_mpath,
3974         .change_mpath = ieee80211_change_mpath,
3975         .get_mpath = ieee80211_get_mpath,
3976         .dump_mpath = ieee80211_dump_mpath,
3977         .get_mpp = ieee80211_get_mpp,
3978         .dump_mpp = ieee80211_dump_mpp,
3979         .update_mesh_config = ieee80211_update_mesh_config,
3980         .get_mesh_config = ieee80211_get_mesh_config,
3981         .join_mesh = ieee80211_join_mesh,
3982         .leave_mesh = ieee80211_leave_mesh,
3983 #endif
3984         .join_ocb = ieee80211_join_ocb,
3985         .leave_ocb = ieee80211_leave_ocb,
3986         .change_bss = ieee80211_change_bss,
3987         .set_txq_params = ieee80211_set_txq_params,
3988         .set_monitor_channel = ieee80211_set_monitor_channel,
3989         .suspend = ieee80211_suspend,
3990         .resume = ieee80211_resume,
3991         .scan = ieee80211_scan,
3992         .abort_scan = ieee80211_abort_scan,
3993         .sched_scan_start = ieee80211_sched_scan_start,
3994         .sched_scan_stop = ieee80211_sched_scan_stop,
3995         .auth = ieee80211_auth,
3996         .assoc = ieee80211_assoc,
3997         .deauth = ieee80211_deauth,
3998         .disassoc = ieee80211_disassoc,
3999         .join_ibss = ieee80211_join_ibss,
4000         .leave_ibss = ieee80211_leave_ibss,
4001         .set_mcast_rate = ieee80211_set_mcast_rate,
4002         .set_wiphy_params = ieee80211_set_wiphy_params,
4003         .set_tx_power = ieee80211_set_tx_power,
4004         .get_tx_power = ieee80211_get_tx_power,
4005         .set_wds_peer = ieee80211_set_wds_peer,
4006         .rfkill_poll = ieee80211_rfkill_poll,
4007         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4008         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4009         .set_power_mgmt = ieee80211_set_power_mgmt,
4010         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4011         .remain_on_channel = ieee80211_remain_on_channel,
4012         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4013         .mgmt_tx = ieee80211_mgmt_tx,
4014         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4015         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4016         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4017         .mgmt_frame_register = ieee80211_mgmt_frame_register,
4018         .set_antenna = ieee80211_set_antenna,
4019         .get_antenna = ieee80211_get_antenna,
4020         .set_rekey_data = ieee80211_set_rekey_data,
4021         .tdls_oper = ieee80211_tdls_oper,
4022         .tdls_mgmt = ieee80211_tdls_mgmt,
4023         .tdls_channel_switch = ieee80211_tdls_channel_switch,
4024         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4025         .probe_client = ieee80211_probe_client,
4026         .set_noack_map = ieee80211_set_noack_map,
4027 #ifdef CONFIG_PM
4028         .set_wakeup = ieee80211_set_wakeup,
4029 #endif
4030         .get_channel = ieee80211_cfg_get_channel,
4031         .start_radar_detection = ieee80211_start_radar_detection,
4032         .channel_switch = ieee80211_channel_switch,
4033         .set_qos_map = ieee80211_set_qos_map,
4034         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4035         .add_tx_ts = ieee80211_add_tx_ts,
4036         .del_tx_ts = ieee80211_del_tx_ts,
4037         .start_nan = ieee80211_start_nan,
4038         .stop_nan = ieee80211_stop_nan,
4039         .nan_change_conf = ieee80211_nan_change_conf,
4040         .add_nan_func = ieee80211_add_nan_func,
4041         .del_nan_func = ieee80211_del_nan_func,
4042         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4043         .tx_control_port = ieee80211_tx_control_port,
4044         .get_txq_stats = ieee80211_get_txq_stats,
4045         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4046         .start_pmsr = ieee80211_start_pmsr,
4047         .abort_pmsr = ieee80211_abort_pmsr,
4048         .probe_mesh_link = ieee80211_probe_mesh_link,
4049 };