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                 WARN_ON_ONCE(sband && !sband->bitrates);
 702                 if (sband && sband->bitrates) {
 703                         brate = sband->bitrates[rate->idx].bitrate;
 704                         rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
 705                 }
 706         }
 707         if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 708                 rinfo->bw = RATE_INFO_BW_40;
 709         else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
 710                 rinfo->bw = RATE_INFO_BW_80;
 711         else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
 712                 rinfo->bw = RATE_INFO_BW_160;
 713         else
 714                 rinfo->bw = RATE_INFO_BW_20;
 715         if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
 716                 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
 717 }
 718
 719 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 720                                   int idx, u8 *mac, struct station_info *sinfo)
 721 {
 722         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 723         struct ieee80211_local *local = sdata->local;
 724         struct sta_info *sta;
 725         int ret = -ENOENT;
 726
 727         mutex_lock(&local->sta_mtx);
 728
 729         sta = sta_info_get_by_idx(sdata, idx);
 730         if (sta) {
 731                 ret = 0;
 732                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 733                 sta_set_sinfo(sta, sinfo, true);
 734         }
 735
 736         mutex_unlock(&local->sta_mtx);
 737
 738         return ret;
 739 }
 740
 741 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
 742                                  int idx, struct survey_info *survey)
 743 {
 744         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 745
 746         return drv_get_survey(local, idx, survey);
 747 }
 748
 749 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 750                                  const u8 *mac, struct station_info *sinfo)
 751 {
 752         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 753         struct ieee80211_local *local = sdata->local;
 754         struct sta_info *sta;
 755         int ret = -ENOENT;
 756
 757         mutex_lock(&local->sta_mtx);
 758
 759         sta = sta_info_get_bss(sdata, mac);
 760         if (sta) {
 761                 ret = 0;
 762                 sta_set_sinfo(sta, sinfo, true);
 763         }
 764
 765         mutex_unlock(&local->sta_mtx);
 766
 767         return ret;
 768 }
 769
 770 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
 771                                          struct cfg80211_chan_def *chandef)
 772 {
 773         struct ieee80211_local *local = wiphy_priv(wiphy);
 774         struct ieee80211_sub_if_data *sdata;
 775         int ret = 0;
 776
 777         if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
 778                 return 0;
 779
 780         mutex_lock(&local->mtx);
 781         if (local->use_chanctx) {
 782                 sdata = rtnl_dereference(local->monitor_sdata);
 783                 if (sdata) {
 784                         ieee80211_vif_release_channel(sdata);
 785                         ret = ieee80211_vif_use_channel(sdata, chandef,
 786                                         IEEE80211_CHANCTX_EXCLUSIVE);
 787                 }
 788         } else if (local->open_count == local->monitors) {
 789                 local->_oper_chandef = *chandef;
 790                 ieee80211_hw_config(local, 0);
 791         }
 792
 793         if (ret == 0)
 794                 local->monitor_chandef = *chandef;
 795         mutex_unlock(&local->mtx);
 796
 797         return ret;
 798 }
 799
 800 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
 801                                     const u8 *resp, size_t resp_len,
 802                                     const struct ieee80211_csa_settings *csa)
 803 {
 804         struct probe_resp *new, *old;
 805
 806         if (!resp || !resp_len)
 807                 return 1;
 808
 809         old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
 810
 811         new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
 812         if (!new)
 813                 return -ENOMEM;
 814
 815         new->len = resp_len;
 816         memcpy(new->data, resp, resp_len);
 817
 818         if (csa)
 819                 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
 820                        csa->n_counter_offsets_presp *
 821                        sizeof(new->csa_counter_offsets[0]));
 822
 823         rcu_assign_pointer(sdata->u.ap.probe_resp, new);
 824         if (old)
 825                 kfree_rcu(old, rcu_head);
 826
 827         return 0;
 828 }
 829
 830 static int ieee80211_set_ftm_responder_params(
 831                                 struct ieee80211_sub_if_data *sdata,
 832                                 const u8 *lci, size_t lci_len,
 833                                 const u8 *civicloc, size_t civicloc_len)
 834 {
 835         struct ieee80211_ftm_responder_params *new, *old;
 836         struct ieee80211_bss_conf *bss_conf;
 837         u8 *pos;
 838         int len;
 839
 840         if (!lci_len && !civicloc_len)
 841                 return 0;
 842
 843         bss_conf = &sdata->vif.bss_conf;
 844         old = bss_conf->ftmr_params;
 845         len = lci_len + civicloc_len;
 846
 847         new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
 848         if (!new)
 849                 return -ENOMEM;
 850
 851         pos = (u8 *)(new + 1);
 852         if (lci_len) {
 853                 new->lci_len = lci_len;
 854                 new->lci = pos;
 855                 memcpy(pos, lci, lci_len);
 856                 pos += lci_len;
 857         }
 858
 859         if (civicloc_len) {
 860                 new->civicloc_len = civicloc_len;
 861                 new->civicloc = pos;
 862                 memcpy(pos, civicloc, civicloc_len);
 863                 pos += civicloc_len;
 864         }
 865
 866         bss_conf->ftmr_params = new;
 867         kfree(old);
 868
 869         return 0;
 870 }
 871
 872 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 873                                    struct cfg80211_beacon_data *params,
 874                                    const struct ieee80211_csa_settings *csa)
 875 {
 876         struct beacon_data *new, *old;
 877         int new_head_len, new_tail_len;
 878         int size, err;
 879         u32 changed = BSS_CHANGED_BEACON;
 880
 881         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 882
 883
 884         /* Need to have a beacon head if we don't have one yet */
 885         if (!params->head && !old)
 886                 return -EINVAL;
 887
 888         /* new or old head? */
 889         if (params->head)
 890                 new_head_len = params->head_len;
 891         else
 892                 new_head_len = old->head_len;
 893
 894         /* new or old tail? */
 895         if (params->tail || !old)
 896                 /* params->tail_len will be zero for !params->tail */
 897                 new_tail_len = params->tail_len;
 898         else
 899                 new_tail_len = old->tail_len;
 900
 901         size = sizeof(*new) + new_head_len + new_tail_len;
 902
 903         new = kzalloc(size, GFP_KERNEL);
 904         if (!new)
 905                 return -ENOMEM;
 906
 907         /* start filling the new info now */
 908
 909         /*
 910          * pointers go into the block we allocated,
 911          * memory is | beacon_data | head | tail |
 912          */
 913         new->head = ((u8 *) new) + sizeof(*new);
 914         new->tail = new->head + new_head_len;
 915         new->head_len = new_head_len;
 916         new->tail_len = new_tail_len;
 917
 918         if (csa) {
 919                 new->csa_current_counter = csa->count;
 920                 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
 921                        csa->n_counter_offsets_beacon *
 922                        sizeof(new->csa_counter_offsets[0]));
 923         }
 924
 925         /* copy in head */
 926         if (params->head)
 927                 memcpy(new->head, params->head, new_head_len);
 928         else
 929                 memcpy(new->head, old->head, new_head_len);
 930
 931         /* copy in optional tail */
 932         if (params->tail)
 933                 memcpy(new->tail, params->tail, new_tail_len);
 934         else
 935                 if (old)
 936                         memcpy(new->tail, old->tail, new_tail_len);
 937
 938         err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 939                                        params->probe_resp_len, csa);
 940         if (err < 0) {
 941                 kfree(new);
 942                 return err;
 943         }
 944         if (err == 0)
 945                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 946
 947         if (params->ftm_responder != -1) {
 948                 sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
 949                 err = ieee80211_set_ftm_responder_params(sdata,
 950                                                          params->lci,
 951                                                          params->lci_len,
 952                                                          params->civicloc,
 953                                                          params->civicloc_len);
 954
 955                 if (err < 0) {
 956                         kfree(new);
 957                         return err;
 958                 }
 959
 960                 changed |= BSS_CHANGED_FTM_RESPONDER;
 961         }
 962
 963         rcu_assign_pointer(sdata->u.ap.beacon, new);
 964
 965         if (old)
 966                 kfree_rcu(old, rcu_head);
 967
 968         return changed;
 969 }
 970
 971 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 972                               struct cfg80211_ap_settings *params)
 973 {
 974         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 975         struct ieee80211_local *local = sdata->local;
 976         struct beacon_data *old;
 977         struct ieee80211_sub_if_data *vlan;
 978         u32 changed = BSS_CHANGED_BEACON_INT |
 979                       BSS_CHANGED_BEACON_ENABLED |
 980                       BSS_CHANGED_BEACON |
 981                       BSS_CHANGED_SSID |
 982                       BSS_CHANGED_P2P_PS |
 983                       BSS_CHANGED_TXPOWER |
 984                       BSS_CHANGED_TWT |
 985                       BSS_CHANGED_HE_OBSS_PD;
 986         int err;
 987         int prev_beacon_int;
 988
 989         old = sdata_dereference(sdata->u.ap.beacon, sdata);
 990         if (old)
 991                 return -EALREADY;
 992
 993         switch (params->smps_mode) {
 994         case NL80211_SMPS_OFF:
 995                 sdata->smps_mode = IEEE80211_SMPS_OFF;
 996                 break;
 997         case NL80211_SMPS_STATIC:
 998                 sdata->smps_mode = IEEE80211_SMPS_STATIC;
 999                 break;
1000         case NL80211_SMPS_DYNAMIC:
1001                 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
1002                 break;
1003         default:
1004                 return -EINVAL;
1005         }
1006         sdata->u.ap.req_smps = sdata->smps_mode;
1007
1008         sdata->needed_rx_chains = sdata->local->rx_chains;
1009
1010         prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1011         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1012
1013         if (params->he_cap)
1014                 sdata->vif.bss_conf.he_support = true;
1015
1016         mutex_lock(&local->mtx);
1017         err = ieee80211_vif_use_channel(sdata, &params->chandef,
1018                                         IEEE80211_CHANCTX_SHARED);
1019         if (!err)
1020                 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1021         mutex_unlock(&local->mtx);
1022         if (err) {
1023                 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1024                 return err;
1025         }
1026
1027         /*
1028          * Apply control port protocol, this allows us to
1029          * not encrypt dynamic WEP control frames.
1030          */
1031         sdata->control_port_protocol = params->crypto.control_port_ethertype;
1032         sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1033         sdata->control_port_over_nl80211 =
1034                                 params->crypto.control_port_over_nl80211;
1035         sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1036                                                         &params->crypto,
1037                                                         sdata->vif.type);
1038
1039         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1040                 vlan->control_port_protocol =
1041                         params->crypto.control_port_ethertype;
1042                 vlan->control_port_no_encrypt =
1043                         params->crypto.control_port_no_encrypt;
1044                 vlan->control_port_over_nl80211 =
1045                         params->crypto.control_port_over_nl80211;
1046                 vlan->encrypt_headroom =
1047                         ieee80211_cs_headroom(sdata->local,
1048                                               &params->crypto,
1049                                               vlan->vif.type);
1050         }
1051
1052         sdata->vif.bss_conf.dtim_period = params->dtim_period;
1053         sdata->vif.bss_conf.enable_beacon = true;
1054         sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1055         sdata->vif.bss_conf.twt_responder = params->twt_responder;
1056         memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1057                sizeof(struct ieee80211_he_obss_pd));
1058
1059         sdata->vif.bss_conf.ssid_len = params->ssid_len;
1060         if (params->ssid_len)
1061                 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1062                        params->ssid_len);
1063         sdata->vif.bss_conf.hidden_ssid =
1064                 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1065
1066         memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1067                sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1068         sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1069                 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1070         if (params->p2p_opp_ps)
1071                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1072                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
1073
1074         err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1075         if (err < 0) {
1076                 ieee80211_vif_release_channel(sdata);
1077                 return err;
1078         }
1079         changed |= err;
1080
1081         err = drv_start_ap(sdata->local, sdata);
1082         if (err) {
1083                 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1084
1085                 if (old)
1086                         kfree_rcu(old, rcu_head);
1087                 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1088                 ieee80211_vif_release_channel(sdata);
1089                 return err;
1090         }
1091
1092         ieee80211_recalc_dtim(local, sdata);
1093         ieee80211_bss_info_change_notify(sdata, changed);
1094
1095         netif_carrier_on(dev);
1096         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1097                 netif_carrier_on(vlan->dev);
1098
1099         return 0;
1100 }
1101
1102 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1103                                    struct cfg80211_beacon_data *params)
1104 {
1105         struct ieee80211_sub_if_data *sdata;
1106         struct beacon_data *old;
1107         int err;
1108
1109         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1110         sdata_assert_lock(sdata);
1111
1112         /* don't allow changing the beacon while CSA is in place - offset
1113          * of channel switch counter may change
1114          */
1115         if (sdata->vif.csa_active)
1116                 return -EBUSY;
1117
1118         old = sdata_dereference(sdata->u.ap.beacon, sdata);
1119         if (!old)
1120                 return -ENOENT;
1121
1122         err = ieee80211_assign_beacon(sdata, params, NULL);
1123         if (err < 0)
1124                 return err;
1125         ieee80211_bss_info_change_notify(sdata, err);
1126         return 0;
1127 }
1128
1129 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1130 {
1131         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1132         struct ieee80211_sub_if_data *vlan;
1133         struct ieee80211_local *local = sdata->local;
1134         struct beacon_data *old_beacon;
1135         struct probe_resp *old_probe_resp;
1136         struct cfg80211_chan_def chandef;
1137
1138         sdata_assert_lock(sdata);
1139
1140         old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1141         if (!old_beacon)
1142                 return -ENOENT;
1143         old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1144
1145         /* abort any running channel switch */
1146         mutex_lock(&local->mtx);
1147         sdata->vif.csa_active = false;
1148         if (sdata->csa_block_tx) {
1149                 ieee80211_wake_vif_queues(local, sdata,
1150                                           IEEE80211_QUEUE_STOP_REASON_CSA);
1151                 sdata->csa_block_tx = false;
1152         }
1153
1154         mutex_unlock(&local->mtx);
1155
1156         kfree(sdata->u.ap.next_beacon);
1157         sdata->u.ap.next_beacon = NULL;
1158
1159         /* turn off carrier for this interface and dependent VLANs */
1160         list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1161                 netif_carrier_off(vlan->dev);
1162         netif_carrier_off(dev);
1163
1164         /* remove beacon and probe response */
1165         RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1166         RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1167         kfree_rcu(old_beacon, rcu_head);
1168         if (old_probe_resp)
1169                 kfree_rcu(old_probe_resp, rcu_head);
1170         sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1171
1172         kfree(sdata->vif.bss_conf.ftmr_params);
1173         sdata->vif.bss_conf.ftmr_params = NULL;
1174
1175         __sta_info_flush(sdata, true);
1176         ieee80211_free_keys(sdata, true);
1177
1178         sdata->vif.bss_conf.enable_beacon = false;
1179         sdata->vif.bss_conf.ssid_len = 0;
1180         clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1181         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1182
1183         if (sdata->wdev.cac_started) {
1184                 chandef = sdata->vif.bss_conf.chandef;
1185                 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1186                 cfg80211_cac_event(sdata->dev, &chandef,
1187                                    NL80211_RADAR_CAC_ABORTED,
1188                                    GFP_KERNEL);
1189         }
1190
1191         drv_stop_ap(sdata->local, sdata);
1192
1193         /* free all potentially still buffered bcast frames */
1194         local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1195         ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1196
1197         mutex_lock(&local->mtx);
1198         ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1199         ieee80211_vif_release_channel(sdata);
1200         mutex_unlock(&local->mtx);
1201
1202         return 0;
1203 }
1204
1205 static int sta_apply_auth_flags(struct ieee80211_local *local,
1206                                 struct sta_info *sta,
1207                                 u32 mask, u32 set)
1208 {
1209         int ret;
1210
1211         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1212             set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1213             !test_sta_flag(sta, WLAN_STA_AUTH)) {
1214                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1215                 if (ret)
1216                         return ret;
1217         }
1218
1219         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1220             set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1221             !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1222                 /*
1223                  * When peer becomes associated, init rate control as
1224                  * well. Some drivers require rate control initialized
1225                  * before drv_sta_state() is called.
1226                  */
1227                 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1228                         rate_control_rate_init(sta);
1229
1230                 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1231                 if (ret)
1232                         return ret;
1233         }
1234
1235         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1236                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1237                         ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1238                 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1239                         ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1240                 else
1241                         ret = 0;
1242                 if (ret)
1243                         return ret;
1244         }
1245
1246         if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1247             !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1248             test_sta_flag(sta, WLAN_STA_ASSOC)) {
1249                 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1250                 if (ret)
1251                         return ret;
1252         }
1253
1254         if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1255             !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1256             test_sta_flag(sta, WLAN_STA_AUTH)) {
1257                 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1258                 if (ret)
1259                         return ret;
1260         }
1261
1262         return 0;
1263 }
1264
1265 static void sta_apply_mesh_params(struct ieee80211_local *local,
1266                                   struct sta_info *sta,
1267                                   struct station_parameters *params)
1268 {
1269 #ifdef CONFIG_MAC80211_MESH
1270         struct ieee80211_sub_if_data *sdata = sta->sdata;
1271         u32 changed = 0;
1272
1273         if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1274                 switch (params->plink_state) {
1275                 case NL80211_PLINK_ESTAB:
1276                         if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1277                                 changed = mesh_plink_inc_estab_count(sdata);
1278                         sta->mesh->plink_state = params->plink_state;
1279                         sta->mesh->aid = params->peer_aid;
1280
1281                         ieee80211_mps_sta_status_update(sta);
1282                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1283                                       sdata->u.mesh.mshcfg.power_mode);
1284
1285                         ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1286                         /* init at low value */
1287                         ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1288
1289                         break;
1290                 case NL80211_PLINK_LISTEN:
1291                 case NL80211_PLINK_BLOCKED:
1292                 case NL80211_PLINK_OPN_SNT:
1293                 case NL80211_PLINK_OPN_RCVD:
1294                 case NL80211_PLINK_CNF_RCVD:
1295                 case NL80211_PLINK_HOLDING:
1296                         if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1297                                 changed = mesh_plink_dec_estab_count(sdata);
1298                         sta->mesh->plink_state = params->plink_state;
1299
1300                         ieee80211_mps_sta_status_update(sta);
1301                         changed |= ieee80211_mps_set_sta_local_pm(sta,
1302                                         NL80211_MESH_POWER_UNKNOWN);
1303                         break;
1304                 default:
1305                         /*  nothing  */
1306                         break;
1307                 }
1308         }
1309
1310         switch (params->plink_action) {
1311         case NL80211_PLINK_ACTION_NO_ACTION:
1312                 /* nothing */
1313                 break;
1314         case NL80211_PLINK_ACTION_OPEN:
1315                 changed |= mesh_plink_open(sta);
1316                 break;
1317         case NL80211_PLINK_ACTION_BLOCK:
1318                 changed |= mesh_plink_block(sta);
1319                 break;
1320         }
1321
1322         if (params->local_pm)
1323                 changed |= ieee80211_mps_set_sta_local_pm(sta,
1324                                                           params->local_pm);
1325
1326         ieee80211_mbss_info_change_notify(sdata, changed);
1327 #endif
1328 }
1329
1330 static int sta_apply_parameters(struct ieee80211_local *local,
1331                                 struct sta_info *sta,
1332                                 struct station_parameters *params)
1333 {
1334         int ret = 0;
1335         struct ieee80211_supported_band *sband;
1336         struct ieee80211_sub_if_data *sdata = sta->sdata;
1337         u32 mask, set;
1338
1339         sband = ieee80211_get_sband(sdata);
1340         if (!sband)
1341                 return -EINVAL;
1342
1343         mask = params->sta_flags_mask;
1344         set = params->sta_flags_set;
1345
1346         if (ieee80211_vif_is_mesh(&sdata->vif)) {
1347                 /*
1348                  * In mesh mode, ASSOCIATED isn't part of the nl80211
1349                  * API but must follow AUTHENTICATED for driver state.
1350                  */
1351                 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1352                         mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1353                 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1354                         set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1355         } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1356                 /*
1357                  * TDLS -- everything follows authorized, but
1358                  * only becoming authorized is possible, not
1359                  * going back
1360                  */
1361                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1362                         set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1363                                BIT(NL80211_STA_FLAG_ASSOCIATED);
1364                         mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1365                                 BIT(NL80211_STA_FLAG_ASSOCIATED);
1366                 }
1367         }
1368
1369         if (mask & BIT(NL80211_STA_FLAG_WME) &&
1370             local->hw.queues >= IEEE80211_NUM_ACS)
1371                 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1372
1373         /* auth flags will be set later for TDLS,
1374          * and for unassociated stations that move to assocaited */
1375         if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1376             !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1377               (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1378                 ret = sta_apply_auth_flags(local, sta, mask, set);
1379                 if (ret)
1380                         return ret;
1381         }
1382
1383         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1384                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1385                         set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1386                 else
1387                         clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1388         }
1389
1390         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1391                 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1392                 if (set & BIT(NL80211_STA_FLAG_MFP))
1393                         set_sta_flag(sta, WLAN_STA_MFP);
1394                 else
1395                         clear_sta_flag(sta, WLAN_STA_MFP);
1396         }
1397
1398         if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1399                 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1400                         set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1401                 else
1402                         clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1403         }
1404
1405         /* mark TDLS channel switch support, if the AP allows it */
1406         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1407             !sdata->u.mgd.tdls_chan_switch_prohibited &&
1408             params->ext_capab_len >= 4 &&
1409             params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1410                 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1411
1412         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1413             !sdata->u.mgd.tdls_wider_bw_prohibited &&
1414             ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1415             params->ext_capab_len >= 8 &&
1416             params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1417                 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1418
1419         if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1420                 sta->sta.uapsd_queues = params->uapsd_queues;
1421                 sta->sta.max_sp = params->max_sp;
1422         }
1423
1424         /* The sender might not have sent the last bit, consider it to be 0 */
1425         if (params->ext_capab_len >= 8) {
1426                 u8 val = (params->ext_capab[7] &
1427                           WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1428
1429                 /* we did get all the bits, take the MSB as well */
1430                 if (params->ext_capab_len >= 9) {
1431                         u8 val_msb = params->ext_capab[8] &
1432                                 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1433                         val_msb <<= 1;
1434                         val |= val_msb;
1435                 }
1436
1437                 switch (val) {
1438                 case 1:
1439                         sta->sta.max_amsdu_subframes = 32;
1440                         break;
1441                 case 2:
1442                         sta->sta.max_amsdu_subframes = 16;
1443                         break;
1444                 case 3:
1445                         sta->sta.max_amsdu_subframes = 8;
1446                         break;
1447                 default:
1448                         sta->sta.max_amsdu_subframes = 0;
1449                 }
1450         }
1451
1452         /*
1453          * cfg80211 validates this (1-2007) and allows setting the AID
1454          * only when creating a new station entry
1455          */
1456         if (params->aid)
1457                 sta->sta.aid = params->aid;
1458
1459         /*
1460          * Some of the following updates would be racy if called on an
1461          * existing station, via ieee80211_change_station(). However,
1462          * all such changes are rejected by cfg80211 except for updates
1463          * changing the supported rates on an existing but not yet used
1464          * TDLS peer.
1465          */
1466
1467         if (params->listen_interval >= 0)
1468                 sta->listen_interval = params->listen_interval;
1469
1470         if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1471                 sta->sta.txpwr.type = params->txpwr.type;
1472                 if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1473                         sta->sta.txpwr.power = params->txpwr.power;
1474                 ret = drv_sta_set_txpwr(local, sdata, sta);
1475                 if (ret)
1476                         return ret;
1477         }
1478
1479         if (params->supported_rates && params->supported_rates_len) {
1480                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1481                                          sband, params->supported_rates,
1482                                          params->supported_rates_len,
1483                                          &sta->sta.supp_rates[sband->band]);
1484         }
1485
1486         if (params->ht_capa)
1487                 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1488                                                   params->ht_capa, sta);
1489
1490         /* VHT can override some HT caps such as the A-MSDU max length */
1491         if (params->vht_capa)
1492                 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1493                                                     params->vht_capa, sta);
1494
1495         if (params->he_capa)
1496                 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1497                                                   (void *)params->he_capa,
1498                                                   params->he_capa_len, sta);
1499
1500         if (params->opmode_notif_used) {
1501                 /* returned value is only needed for rc update, but the
1502                  * rc isn't initialized here yet, so ignore it
1503                  */
1504                 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1505                                               sband->band);
1506         }
1507
1508         if (params->support_p2p_ps >= 0)
1509                 sta->sta.support_p2p_ps = params->support_p2p_ps;
1510
1511         if (ieee80211_vif_is_mesh(&sdata->vif))
1512                 sta_apply_mesh_params(local, sta, params);
1513
1514         if (params->airtime_weight)
1515                 sta->airtime_weight = params->airtime_weight;
1516
1517         /* set the STA state after all sta info from usermode has been set */
1518         if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1519             set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1520                 ret = sta_apply_auth_flags(local, sta, mask, set);
1521                 if (ret)
1522                         return ret;
1523         }
1524
1525         return 0;
1526 }
1527
1528 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1529                                  const u8 *mac,
1530                                  struct station_parameters *params)
1531 {
1532         struct ieee80211_local *local = wiphy_priv(wiphy);
1533         struct sta_info *sta;
1534         struct ieee80211_sub_if_data *sdata;
1535         int err;
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         err = sta_info_insert_rcu(sta);
1580         if (err) {
1581                 rcu_read_unlock();
1582                 return err;
1583         }
1584
1585         rcu_read_unlock();
1586
1587         return 0;
1588 }
1589
1590 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1591                                  struct station_del_parameters *params)
1592 {
1593         struct ieee80211_sub_if_data *sdata;
1594
1595         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1596
1597         if (params->mac)
1598                 return sta_info_destroy_addr_bss(sdata, params->mac);
1599
1600         sta_info_flush(sdata);
1601         return 0;
1602 }
1603
1604 static int ieee80211_change_station(struct wiphy *wiphy,
1605                                     struct net_device *dev, const u8 *mac,
1606                                     struct station_parameters *params)
1607 {
1608         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1609         struct ieee80211_local *local = wiphy_priv(wiphy);
1610         struct sta_info *sta;
1611         struct ieee80211_sub_if_data *vlansdata;
1612         enum cfg80211_station_type statype;
1613         int err;
1614
1615         mutex_lock(&local->sta_mtx);
1616
1617         sta = sta_info_get_bss(sdata, mac);
1618         if (!sta) {
1619                 err = -ENOENT;
1620                 goto out_err;
1621         }
1622
1623         switch (sdata->vif.type) {
1624         case NL80211_IFTYPE_MESH_POINT:
1625                 if (sdata->u.mesh.user_mpm)
1626                         statype = CFG80211_STA_MESH_PEER_USER;
1627                 else
1628                         statype = CFG80211_STA_MESH_PEER_KERNEL;
1629                 break;
1630         case NL80211_IFTYPE_ADHOC:
1631                 statype = CFG80211_STA_IBSS;
1632                 break;
1633         case NL80211_IFTYPE_STATION:
1634                 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1635                         statype = CFG80211_STA_AP_STA;
1636                         break;
1637                 }
1638                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1639                         statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1640                 else
1641                         statype = CFG80211_STA_TDLS_PEER_SETUP;
1642                 break;
1643         case NL80211_IFTYPE_AP:
1644         case NL80211_IFTYPE_AP_VLAN:
1645                 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1646                         statype = CFG80211_STA_AP_CLIENT;
1647                 else
1648                         statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1649                 break;
1650         default:
1651                 err = -EOPNOTSUPP;
1652                 goto out_err;
1653         }
1654
1655         err = cfg80211_check_station_change(wiphy, params, statype);
1656         if (err)
1657                 goto out_err;
1658
1659         if (params->vlan && params->vlan != sta->sdata->dev) {
1660                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1661
1662                 if (params->vlan->ieee80211_ptr->use_4addr) {
1663                         if (vlansdata->u.vlan.sta) {
1664                                 err = -EBUSY;
1665                                 goto out_err;
1666                         }
1667
1668                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1669                         __ieee80211_check_fast_rx_iface(vlansdata);
1670                 }
1671
1672                 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1673                     sta->sdata->u.vlan.sta) {
1674                         ieee80211_clear_fast_rx(sta);
1675                         RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1676                 }
1677
1678                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1679                         ieee80211_vif_dec_num_mcast(sta->sdata);
1680
1681                 sta->sdata = vlansdata;
1682                 ieee80211_check_fast_xmit(sta);
1683
1684                 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1685                         ieee80211_vif_inc_num_mcast(sta->sdata);
1686                         cfg80211_send_layer2_update(sta->sdata->dev,
1687                                                     sta->sta.addr);
1688                 }
1689         }
1690
1691         err = sta_apply_parameters(local, sta, params);
1692         if (err)
1693                 goto out_err;
1694
1695         mutex_unlock(&local->sta_mtx);
1696
1697         if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1698              sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1699             sta->known_smps_mode != sta->sdata->bss->req_smps &&
1700             test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1701             sta_info_tx_streams(sta) != 1) {
1702                 ht_dbg(sta->sdata,
1703                        "%pM just authorized and MIMO capable - update SMPS\n",
1704                        sta->sta.addr);
1705                 ieee80211_send_smps_action(sta->sdata,
1706                         sta->sdata->bss->req_smps,
1707                         sta->sta.addr,
1708                         sta->sdata->vif.bss_conf.bssid);
1709         }
1710
1711         if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1712             params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1713                 ieee80211_recalc_ps(local);
1714                 ieee80211_recalc_ps_vif(sdata);
1715         }
1716
1717         return 0;
1718 out_err:
1719         mutex_unlock(&local->sta_mtx);
1720         return err;
1721 }
1722
1723 #ifdef CONFIG_MAC80211_MESH
1724 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1725                                const u8 *dst, const u8 *next_hop)
1726 {
1727         struct ieee80211_sub_if_data *sdata;
1728         struct mesh_path *mpath;
1729         struct sta_info *sta;
1730
1731         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1732
1733         rcu_read_lock();
1734         sta = sta_info_get(sdata, next_hop);
1735         if (!sta) {
1736                 rcu_read_unlock();
1737                 return -ENOENT;
1738         }
1739
1740         mpath = mesh_path_add(sdata, dst);
1741         if (IS_ERR(mpath)) {
1742                 rcu_read_unlock();
1743                 return PTR_ERR(mpath);
1744         }
1745
1746         mesh_path_fix_nexthop(mpath, sta);
1747
1748         rcu_read_unlock();
1749         return 0;
1750 }
1751
1752 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1753                                const u8 *dst)
1754 {
1755         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1756
1757         if (dst)
1758                 return mesh_path_del(sdata, dst);
1759
1760         mesh_path_flush_by_iface(sdata);
1761         return 0;
1762 }
1763
1764 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1765                                   const u8 *dst, const u8 *next_hop)
1766 {
1767         struct ieee80211_sub_if_data *sdata;
1768         struct mesh_path *mpath;
1769         struct sta_info *sta;
1770
1771         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1772
1773         rcu_read_lock();
1774
1775         sta = sta_info_get(sdata, next_hop);
1776         if (!sta) {
1777                 rcu_read_unlock();
1778                 return -ENOENT;
1779         }
1780
1781         mpath = mesh_path_lookup(sdata, dst);
1782         if (!mpath) {
1783                 rcu_read_unlock();
1784                 return -ENOENT;
1785         }
1786
1787         mesh_path_fix_nexthop(mpath, sta);
1788
1789         rcu_read_unlock();
1790         return 0;
1791 }
1792
1793 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1794                             struct mpath_info *pinfo)
1795 {
1796         struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1797
1798         if (next_hop_sta)
1799                 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1800         else
1801                 eth_zero_addr(next_hop);
1802
1803         memset(pinfo, 0, sizeof(*pinfo));
1804
1805         pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1806
1807         pinfo->filled = MPATH_INFO_FRAME_QLEN |
1808                         MPATH_INFO_SN |
1809                         MPATH_INFO_METRIC |
1810                         MPATH_INFO_EXPTIME |
1811                         MPATH_INFO_DISCOVERY_TIMEOUT |
1812                         MPATH_INFO_DISCOVERY_RETRIES |
1813                         MPATH_INFO_FLAGS |
1814                         MPATH_INFO_HOP_COUNT |
1815                         MPATH_INFO_PATH_CHANGE;
1816
1817         pinfo->frame_qlen = mpath->frame_queue.qlen;
1818         pinfo->sn = mpath->sn;
1819         pinfo->metric = mpath->metric;
1820         if (time_before(jiffies, mpath->exp_time))
1821                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1822         pinfo->discovery_timeout =
1823                         jiffies_to_msecs(mpath->discovery_timeout);
1824         pinfo->discovery_retries = mpath->discovery_retries;
1825         if (mpath->flags & MESH_PATH_ACTIVE)
1826                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1827         if (mpath->flags & MESH_PATH_RESOLVING)
1828                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1829         if (mpath->flags & MESH_PATH_SN_VALID)
1830                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1831         if (mpath->flags & MESH_PATH_FIXED)
1832                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1833         if (mpath->flags & MESH_PATH_RESOLVED)
1834                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1835         pinfo->hop_count = mpath->hop_count;
1836         pinfo->path_change_count = mpath->path_change_count;
1837 }
1838
1839 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1840                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1841
1842 {
1843         struct ieee80211_sub_if_data *sdata;
1844         struct mesh_path *mpath;
1845
1846         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1847
1848         rcu_read_lock();
1849         mpath = mesh_path_lookup(sdata, dst);
1850         if (!mpath) {
1851                 rcu_read_unlock();
1852                 return -ENOENT;
1853         }
1854         memcpy(dst, mpath->dst, ETH_ALEN);
1855         mpath_set_pinfo(mpath, next_hop, pinfo);
1856         rcu_read_unlock();
1857         return 0;
1858 }
1859
1860 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1861                                 int idx, u8 *dst, u8 *next_hop,
1862                                 struct mpath_info *pinfo)
1863 {
1864         struct ieee80211_sub_if_data *sdata;
1865         struct mesh_path *mpath;
1866
1867         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1868
1869         rcu_read_lock();
1870         mpath = mesh_path_lookup_by_idx(sdata, idx);
1871         if (!mpath) {
1872                 rcu_read_unlock();
1873                 return -ENOENT;
1874         }
1875         memcpy(dst, mpath->dst, ETH_ALEN);
1876         mpath_set_pinfo(mpath, next_hop, pinfo);
1877         rcu_read_unlock();
1878         return 0;
1879 }
1880
1881 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1882                           struct mpath_info *pinfo)
1883 {
1884         memset(pinfo, 0, sizeof(*pinfo));
1885         memcpy(mpp, mpath->mpp, ETH_ALEN);
1886
1887         pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1888 }
1889
1890 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1891                              u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1892
1893 {
1894         struct ieee80211_sub_if_data *sdata;
1895         struct mesh_path *mpath;
1896
1897         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1898
1899         rcu_read_lock();
1900         mpath = mpp_path_lookup(sdata, dst);
1901         if (!mpath) {
1902                 rcu_read_unlock();
1903                 return -ENOENT;
1904         }
1905         memcpy(dst, mpath->dst, ETH_ALEN);
1906         mpp_set_pinfo(mpath, mpp, pinfo);
1907         rcu_read_unlock();
1908         return 0;
1909 }
1910
1911 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1912                               int idx, u8 *dst, u8 *mpp,
1913                               struct mpath_info *pinfo)
1914 {
1915         struct ieee80211_sub_if_data *sdata;
1916         struct mesh_path *mpath;
1917
1918         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1919
1920         rcu_read_lock();
1921         mpath = mpp_path_lookup_by_idx(sdata, idx);
1922         if (!mpath) {
1923                 rcu_read_unlock();
1924                 return -ENOENT;
1925         }
1926         memcpy(dst, mpath->dst, ETH_ALEN);
1927         mpp_set_pinfo(mpath, mpp, pinfo);
1928         rcu_read_unlock();
1929         return 0;
1930 }
1931
1932 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1933                                 struct net_device *dev,
1934                                 struct mesh_config *conf)
1935 {
1936         struct ieee80211_sub_if_data *sdata;
1937         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1938
1939         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1940         return 0;
1941 }
1942
1943 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1944 {
1945         return (mask >> (parm-1)) & 0x1;
1946 }
1947
1948 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1949                 const struct mesh_setup *setup)
1950 {
1951         u8 *new_ie;
1952         struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1953                                         struct ieee80211_sub_if_data, u.mesh);
1954
1955         /* allocate information elements */
1956         new_ie = NULL;
1957
1958         if (setup->ie_len) {
1959                 new_ie = kmemdup(setup->ie, setup->ie_len,
1960                                 GFP_KERNEL);
1961                 if (!new_ie)
1962                         return -ENOMEM;
1963         }
1964         ifmsh->ie_len = setup->ie_len;
1965         ifmsh->ie = new_ie;
1966
1967         /* now copy the rest of the setup parameters */
1968         ifmsh->mesh_id_len = setup->mesh_id_len;
1969         memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1970         ifmsh->mesh_sp_id = setup->sync_method;
1971         ifmsh->mesh_pp_id = setup->path_sel_proto;
1972         ifmsh->mesh_pm_id = setup->path_metric;
1973         ifmsh->user_mpm = setup->user_mpm;
1974         ifmsh->mesh_auth_id = setup->auth_id;
1975         ifmsh->security = IEEE80211_MESH_SEC_NONE;
1976         ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1977         if (setup->is_authenticated)
1978                 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1979         if (setup->is_secure)
1980                 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1981
1982         /* mcast rate setting in Mesh Node */
1983         memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1984                                                 sizeof(setup->mcast_rate));
1985         sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1986
1987         sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1988         sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1989
1990         return 0;
1991 }
1992
1993 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1994                                         struct net_device *dev, u32 mask,
1995                                         const struct mesh_config *nconf)
1996 {
1997         struct mesh_config *conf;
1998         struct ieee80211_sub_if_data *sdata;
1999         struct ieee80211_if_mesh *ifmsh;
2000
2001         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2002         ifmsh = &sdata->u.mesh;
2003
2004         /* Set the config options which we are interested in setting */
2005         conf = &(sdata->u.mesh.mshcfg);
2006         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2007                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2008         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2009                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2010         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2011                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2012         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2013                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2014         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2015                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2016         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2017                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
2018         if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2019                 conf->element_ttl = nconf->element_ttl;
2020         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2021                 if (ifmsh->user_mpm)
2022                         return -EBUSY;
2023                 conf->auto_open_plinks = nconf->auto_open_plinks;
2024         }
2025         if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2026                 conf->dot11MeshNbrOffsetMaxNeighbor =
2027                         nconf->dot11MeshNbrOffsetMaxNeighbor;
2028         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2029                 conf->dot11MeshHWMPmaxPREQretries =
2030                         nconf->dot11MeshHWMPmaxPREQretries;
2031         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2032                 conf->path_refresh_time = nconf->path_refresh_time;
2033         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2034                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
2035         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2036                 conf->dot11MeshHWMPactivePathTimeout =
2037                         nconf->dot11MeshHWMPactivePathTimeout;
2038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2039                 conf->dot11MeshHWMPpreqMinInterval =
2040                         nconf->dot11MeshHWMPpreqMinInterval;
2041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2042                 conf->dot11MeshHWMPperrMinInterval =
2043                         nconf->dot11MeshHWMPperrMinInterval;
2044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2045                            mask))
2046                 conf->dot11MeshHWMPnetDiameterTraversalTime =
2047                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
2048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2049                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2050                 ieee80211_mesh_root_setup(ifmsh);
2051         }
2052         if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2053                 /* our current gate announcement implementation rides on root
2054                  * announcements, so require this ifmsh to also be a root node
2055                  * */
2056                 if (nconf->dot11MeshGateAnnouncementProtocol &&
2057                     !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2058                         conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2059                         ieee80211_mesh_root_setup(ifmsh);
2060                 }
2061                 conf->dot11MeshGateAnnouncementProtocol =
2062                         nconf->dot11MeshGateAnnouncementProtocol;
2063         }
2064         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2065                 conf->dot11MeshHWMPRannInterval =
2066                         nconf->dot11MeshHWMPRannInterval;
2067         if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2068                 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2069         if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2070                 /* our RSSI threshold implementation is supported only for
2071                  * devices that report signal in dBm.
2072                  */
2073                 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2074                         return -ENOTSUPP;
2075                 conf->rssi_threshold = nconf->rssi_threshold;
2076         }
2077         if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2078                 conf->ht_opmode = nconf->ht_opmode;
2079                 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2080                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2081         }
2082         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2083                 conf->dot11MeshHWMPactivePathToRootTimeout =
2084                         nconf->dot11MeshHWMPactivePathToRootTimeout;
2085         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2086                 conf->dot11MeshHWMProotInterval =
2087                         nconf->dot11MeshHWMProotInterval;
2088         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2089                 conf->dot11MeshHWMPconfirmationInterval =
2090                         nconf->dot11MeshHWMPconfirmationInterval;
2091         if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2092                 conf->power_mode = nconf->power_mode;
2093                 ieee80211_mps_local_status_update(sdata);
2094         }
2095         if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2096                 conf->dot11MeshAwakeWindowDuration =
2097                         nconf->dot11MeshAwakeWindowDuration;
2098         if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2099                 conf->plink_timeout = nconf->plink_timeout;
2100         if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2101                 conf->dot11MeshConnectedToMeshGate =
2102                         nconf->dot11MeshConnectedToMeshGate;
2103         ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2104         return 0;
2105 }
2106
2107 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2108                                const struct mesh_config *conf,
2109                                const struct mesh_setup *setup)
2110 {
2111         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2112         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2113         int err;
2114
2115         memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2116         err = copy_mesh_setup(ifmsh, setup);
2117         if (err)
2118                 return err;
2119
2120         sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2121
2122         /* can mesh use other SMPS modes? */
2123         sdata->smps_mode = IEEE80211_SMPS_OFF;
2124         sdata->needed_rx_chains = sdata->local->rx_chains;
2125
2126         mutex_lock(&sdata->local->mtx);
2127         err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2128                                         IEEE80211_CHANCTX_SHARED);
2129         mutex_unlock(&sdata->local->mtx);
2130         if (err)
2131                 return err;
2132
2133         return ieee80211_start_mesh(sdata);
2134 }
2135
2136 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2137 {
2138         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2139
2140         ieee80211_stop_mesh(sdata);
2141         mutex_lock(&sdata->local->mtx);
2142         ieee80211_vif_release_channel(sdata);
2143         kfree(sdata->u.mesh.ie);
2144         mutex_unlock(&sdata->local->mtx);
2145
2146         return 0;
2147 }
2148 #endif
2149
2150 static int ieee80211_change_bss(struct wiphy *wiphy,
2151                                 struct net_device *dev,
2152                                 struct bss_parameters *params)
2153 {
2154         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2155         struct ieee80211_supported_band *sband;
2156         u32 changed = 0;
2157
2158         if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2159                 return -ENOENT;
2160
2161         sband = ieee80211_get_sband(sdata);
2162         if (!sband)
2163                 return -EINVAL;
2164
2165         if (params->use_cts_prot >= 0) {
2166                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2167                 changed |= BSS_CHANGED_ERP_CTS_PROT;
2168         }
2169         if (params->use_short_preamble >= 0) {
2170                 sdata->vif.bss_conf.use_short_preamble =
2171                         params->use_short_preamble;
2172                 changed |= BSS_CHANGED_ERP_PREAMBLE;
2173         }
2174
2175         if (!sdata->vif.bss_conf.use_short_slot &&
2176             sband->band == NL80211_BAND_5GHZ) {
2177                 sdata->vif.bss_conf.use_short_slot = true;
2178                 changed |= BSS_CHANGED_ERP_SLOT;
2179         }
2180
2181         if (params->use_short_slot_time >= 0) {
2182                 sdata->vif.bss_conf.use_short_slot =
2183                         params->use_short_slot_time;
2184                 changed |= BSS_CHANGED_ERP_SLOT;
2185         }
2186
2187         if (params->basic_rates) {
2188                 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2189                                          wiphy->bands[sband->band],
2190                                          params->basic_rates,
2191                                          params->basic_rates_len,
2192                                          &sdata->vif.bss_conf.basic_rates);
2193                 changed |= BSS_CHANGED_BASIC_RATES;
2194                 ieee80211_check_rate_mask(sdata);
2195         }
2196
2197         if (params->ap_isolate >= 0) {
2198                 if (params->ap_isolate)
2199                         sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2200                 else
2201                         sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2202                 ieee80211_check_fast_rx_iface(sdata);
2203         }
2204
2205         if (params->ht_opmode >= 0) {
2206                 sdata->vif.bss_conf.ht_operation_mode =
2207                         (u16) params->ht_opmode;
2208                 changed |= BSS_CHANGED_HT;
2209         }
2210
2211         if (params->p2p_ctwindow >= 0) {
2212                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2213                                         ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2214                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2215                         params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2216                 changed |= BSS_CHANGED_P2P_PS;
2217         }
2218
2219         if (params->p2p_opp_ps > 0) {
2220                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2221                                         IEEE80211_P2P_OPPPS_ENABLE_BIT;
2222                 changed |= BSS_CHANGED_P2P_PS;
2223         } else if (params->p2p_opp_ps == 0) {
2224                 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2225                                         ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2226                 changed |= BSS_CHANGED_P2P_PS;
2227         }
2228
2229         ieee80211_bss_info_change_notify(sdata, changed);
2230
2231         return 0;
2232 }
2233
2234 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2235                                     struct net_device *dev,
2236                                     struct ieee80211_txq_params *params)
2237 {
2238         struct ieee80211_local *local = wiphy_priv(wiphy);
2239         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2240         struct ieee80211_tx_queue_params p;
2241
2242         if (!local->ops->conf_tx)
2243                 return -EOPNOTSUPP;
2244
2245         if (local->hw.queues < IEEE80211_NUM_ACS)
2246                 return -EOPNOTSUPP;
2247
2248         memset(&p, 0, sizeof(p));
2249         p.aifs = params->aifs;
2250         p.cw_max = params->cwmax;
2251         p.cw_min = params->cwmin;
2252         p.txop = params->txop;
2253
2254         /*
2255          * Setting tx queue params disables u-apsd because it's only
2256          * called in master mode.
2257          */
2258         p.uapsd = false;
2259
2260         ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2261
2262         sdata->tx_conf[params->ac] = p;
2263         if (drv_conf_tx(local, sdata, params->ac, &p)) {
2264                 wiphy_debug(local->hw.wiphy,
2265                             "failed to set TX queue parameters for AC %d\n",
2266                             params->ac);
2267                 return -EINVAL;
2268         }
2269
2270         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2271
2272         return 0;
2273 }
2274
2275 #ifdef CONFIG_PM
2276 static int ieee80211_suspend(struct wiphy *wiphy,
2277                              struct cfg80211_wowlan *wowlan)
2278 {
2279         return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2280 }
2281
2282 static int ieee80211_resume(struct wiphy *wiphy)
2283 {
2284         return __ieee80211_resume(wiphy_priv(wiphy));
2285 }
2286 #else
2287 #define ieee80211_suspend NULL
2288 #define ieee80211_resume NULL
2289 #endif
2290
2291 static int ieee80211_scan(struct wiphy *wiphy,
2292                           struct cfg80211_scan_request *req)
2293 {
2294         struct ieee80211_sub_if_data *sdata;
2295
2296         sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2297
2298         switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2299         case NL80211_IFTYPE_STATION:
2300         case NL80211_IFTYPE_ADHOC:
2301         case NL80211_IFTYPE_MESH_POINT:
2302         case NL80211_IFTYPE_P2P_CLIENT:
2303         case NL80211_IFTYPE_P2P_DEVICE:
2304                 break;
2305         case NL80211_IFTYPE_P2P_GO:
2306                 if (sdata->local->ops->hw_scan)
2307                         break;
2308                 /*
2309                  * FIXME: implement NoA while scanning in software,
2310                  * for now fall through to allow scanning only when
2311                  * beaconing hasn't been configured yet
2312                  */
2313                 /* fall through */
2314         case NL80211_IFTYPE_AP:
2315                 /*
2316                  * If the scan has been forced (and the driver supports
2317                  * forcing), don't care about being beaconing already.
2318                  * This will create problems to the attached stations (e.g. all
2319                  * the  frames sent while scanning on other channel will be
2320                  * lost)
2321                  */
2322                 if (sdata->u.ap.beacon &&
2323                     (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2324                      !(req->flags & NL80211_SCAN_FLAG_AP)))
2325                         return -EOPNOTSUPP;
2326                 break;
2327         case NL80211_IFTYPE_NAN:
2328         default:
2329                 return -EOPNOTSUPP;
2330         }
2331
2332         return ieee80211_request_scan(sdata, req);
2333 }
2334
2335 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2336 {
2337         ieee80211_scan_cancel(wiphy_priv(wiphy));
2338 }
2339
2340 static int
2341 ieee80211_sched_scan_start(struct wiphy *wiphy,
2342                            struct net_device *dev,
2343                            struct cfg80211_sched_scan_request *req)
2344 {
2345         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2346
2347         if (!sdata->local->ops->sched_scan_start)
2348                 return -EOPNOTSUPP;
2349
2350         return ieee80211_request_sched_scan_start(sdata, req);
2351 }
2352
2353 static int
2354 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2355                           u64 reqid)
2356 {
2357         struct ieee80211_local *local = wiphy_priv(wiphy);
2358
2359         if (!local->ops->sched_scan_stop)
2360                 return -EOPNOTSUPP;
2361
2362         return ieee80211_request_sched_scan_stop(local);
2363 }
2364
2365 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2366                           struct cfg80211_auth_request *req)
2367 {
2368         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2369 }
2370
2371 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2372                            struct cfg80211_assoc_request *req)
2373 {
2374         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2375 }
2376
2377 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2378                             struct cfg80211_deauth_request *req)
2379 {
2380         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2381 }
2382
2383 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2384                               struct cfg80211_disassoc_request *req)
2385 {
2386         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2387 }
2388
2389 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2390                                struct cfg80211_ibss_params *params)
2391 {
2392         return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2393 }
2394
2395 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2396 {
2397         return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2398 }
2399
2400 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2401                               struct ocb_setup *setup)
2402 {
2403         return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2404 }
2405
2406 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2407 {
2408         return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2409 }
2410
2411 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2412                                     int rate[NUM_NL80211_BANDS])
2413 {
2414         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2415
2416         memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2417                sizeof(int) * NUM_NL80211_BANDS);
2418
2419         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2420
2421         return 0;
2422 }
2423
2424 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2425 {
2426         struct ieee80211_local *local = wiphy_priv(wiphy);
2427         int err;
2428
2429         if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2430                 ieee80211_check_fast_xmit_all(local);
2431
2432                 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2433
2434                 if (err) {
2435                         ieee80211_check_fast_xmit_all(local);
2436                         return err;
2437                 }
2438         }
2439
2440         if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2441             (changed & WIPHY_PARAM_DYN_ACK)) {
2442                 s16 coverage_class;
2443
2444                 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2445                                         wiphy->coverage_class : -1;
2446                 err = drv_set_coverage_class(local, coverage_class);
2447
2448                 if (err)
2449                         return err;
2450         }
2451
2452         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2453                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2454
2455                 if (err)
2456                         return err;
2457         }
2458
2459         if (changed & WIPHY_PARAM_RETRY_SHORT) {
2460                 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2461                         return -EINVAL;
2462                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2463         }
2464         if (changed & WIPHY_PARAM_RETRY_LONG) {
2465                 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2466                         return -EINVAL;
2467                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2468         }
2469         if (changed &
2470             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2471                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2472
2473         if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2474                        WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2475                        WIPHY_PARAM_TXQ_QUANTUM))
2476                 ieee80211_txq_set_params(local);
2477
2478         return 0;
2479 }
2480
2481 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2482                                   struct wireless_dev *wdev,
2483                                   enum nl80211_tx_power_setting type, int mbm)
2484 {
2485         struct ieee80211_local *local = wiphy_priv(wiphy);
2486         struct ieee80211_sub_if_data *sdata;
2487         enum nl80211_tx_power_setting txp_type = type;
2488         bool update_txp_type = false;
2489         bool has_monitor = false;
2490
2491         if (wdev) {
2492                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2493
2494                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2495                         sdata = rtnl_dereference(local->monitor_sdata);
2496                         if (!sdata)
2497                                 return -EOPNOTSUPP;
2498                 }
2499
2500                 switch (type) {
2501                 case NL80211_TX_POWER_AUTOMATIC:
2502                         sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2503                         txp_type = NL80211_TX_POWER_LIMITED;
2504                         break;
2505                 case NL80211_TX_POWER_LIMITED:
2506                 case NL80211_TX_POWER_FIXED:
2507                         if (mbm < 0 || (mbm % 100))
2508                                 return -EOPNOTSUPP;
2509                         sdata->user_power_level = MBM_TO_DBM(mbm);
2510                         break;
2511                 }
2512
2513                 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2514                         update_txp_type = true;
2515                         sdata->vif.bss_conf.txpower_type = txp_type;
2516                 }
2517
2518                 ieee80211_recalc_txpower(sdata, update_txp_type);
2519
2520                 return 0;
2521         }
2522
2523         switch (type) {
2524         case NL80211_TX_POWER_AUTOMATIC:
2525                 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2526                 txp_type = NL80211_TX_POWER_LIMITED;
2527                 break;
2528         case NL80211_TX_POWER_LIMITED:
2529         case NL80211_TX_POWER_FIXED:
2530                 if (mbm < 0 || (mbm % 100))
2531                         return -EOPNOTSUPP;
2532                 local->user_power_level = MBM_TO_DBM(mbm);
2533                 break;
2534         }
2535
2536         mutex_lock(&local->iflist_mtx);
2537         list_for_each_entry(sdata, &local->interfaces, list) {
2538                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2539                         has_monitor = true;
2540                         continue;
2541                 }
2542                 sdata->user_power_level = local->user_power_level;
2543                 if (txp_type != sdata->vif.bss_conf.txpower_type)
2544                         update_txp_type = true;
2545                 sdata->vif.bss_conf.txpower_type = txp_type;
2546         }
2547         list_for_each_entry(sdata, &local->interfaces, list) {
2548                 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2549                         continue;
2550                 ieee80211_recalc_txpower(sdata, update_txp_type);
2551         }
2552         mutex_unlock(&local->iflist_mtx);
2553
2554         if (has_monitor) {
2555                 sdata = rtnl_dereference(local->monitor_sdata);
2556                 if (sdata) {
2557                         sdata->user_power_level = local->user_power_level;
2558                         if (txp_type != sdata->vif.bss_conf.txpower_type)
2559                                 update_txp_type = true;
2560                         sdata->vif.bss_conf.txpower_type = txp_type;
2561
2562                         ieee80211_recalc_txpower(sdata, update_txp_type);
2563                 }
2564         }
2565
2566         return 0;
2567 }
2568
2569 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2570                                   struct wireless_dev *wdev,
2571                                   int *dbm)
2572 {
2573         struct ieee80211_local *local = wiphy_priv(wiphy);
2574         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2575
2576         if (local->ops->get_txpower)
2577                 return drv_get_txpower(local, sdata, dbm);
2578
2579         if (!local->use_chanctx)
2580                 *dbm = local->hw.conf.power_level;
2581         else
2582                 *dbm = sdata->vif.bss_conf.txpower;
2583
2584         return 0;
2585 }
2586
2587 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2588                                   const u8 *addr)
2589 {
2590         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2591
2592         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2593
2594         return 0;
2595 }
2596
2597 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2598 {
2599         struct ieee80211_local *local = wiphy_priv(wiphy);
2600
2601         drv_rfkill_poll(local);
2602 }
2603
2604 #ifdef CONFIG_NL80211_TESTMODE
2605 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2606                                   struct wireless_dev *wdev,
2607                                   void *data, int len)
2608 {
2609         struct ieee80211_local *local = wiphy_priv(wiphy);
2610         struct ieee80211_vif *vif = NULL;
2611
2612         if (!local->ops->testmode_cmd)
2613                 return -EOPNOTSUPP;
2614
2615         if (wdev) {
2616                 struct ieee80211_sub_if_data *sdata;
2617
2618                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2619                 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2620                         vif = &sdata->vif;
2621         }
2622
2623         return local->ops->testmode_cmd(&local->hw, vif, data, len);
2624 }
2625
2626 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2627                                    struct sk_buff *skb,
2628                                    struct netlink_callback *cb,
2629                                    void *data, int len)
2630 {
2631         struct ieee80211_local *local = wiphy_priv(wiphy);
2632
2633         if (!local->ops->testmode_dump)
2634                 return -EOPNOTSUPP;
2635
2636         return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2637 }
2638 #endif
2639
2640 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2641                                 enum ieee80211_smps_mode smps_mode)
2642 {
2643         struct sta_info *sta;
2644         enum ieee80211_smps_mode old_req;
2645
2646         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2647                 return -EINVAL;
2648
2649         if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2650                 return 0;
2651
2652         old_req = sdata->u.ap.req_smps;
2653         sdata->u.ap.req_smps = smps_mode;
2654
2655         /* AUTOMATIC doesn't mean much for AP - don't allow it */
2656         if (old_req == smps_mode ||
2657             smps_mode == IEEE80211_SMPS_AUTOMATIC)
2658                 return 0;
2659
2660         ht_dbg(sdata,
2661                "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2662                smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2663
2664         mutex_lock(&sdata->local->sta_mtx);
2665         list_for_each_entry(sta, &sdata->local->sta_list, list) {
2666                 /*
2667                  * Only stations associated to our AP and
2668                  * associated VLANs
2669                  */
2670                 if (sta->sdata->bss != &sdata->u.ap)
2671                         continue;
2672
2673                 /* This station doesn't support MIMO - skip it */
2674                 if (sta_info_tx_streams(sta) == 1)
2675                         continue;
2676
2677                 /*
2678                  * Don't wake up a STA just to send the action frame
2679                  * unless we are getting more restrictive.
2680                  */
2681                 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2682                     !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2683                                                    smps_mode)) {
2684                         ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2685                                sta->sta.addr);
2686                         continue;
2687                 }
2688
2689                 /*
2690                  * If the STA is not authorized, wait until it gets
2691                  * authorized and the action frame will be sent then.
2692                  */
2693                 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2694                         continue;
2695
2696                 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2697                 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2698                                            sdata->vif.bss_conf.bssid);
2699         }
2700         mutex_unlock(&sdata->local->sta_mtx);
2701
2702         sdata->smps_mode = smps_mode;
2703         ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2704
2705         return 0;
2706 }
2707
2708 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2709                                  enum ieee80211_smps_mode smps_mode)
2710 {
2711         const u8 *ap;
2712         enum ieee80211_smps_mode old_req;
2713         int err;
2714         struct sta_info *sta;
2715         bool tdls_peer_found = false;
2716
2717         lockdep_assert_held(&sdata->wdev.mtx);
2718
2719         if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2720                 return -EINVAL;
2721
2722         old_req = sdata->u.mgd.req_smps;
2723         sdata->u.mgd.req_smps = smps_mode;
2724
2725         if (old_req == smps_mode &&
2726             smps_mode != IEEE80211_SMPS_AUTOMATIC)
2727                 return 0;
2728
2729         /*
2730          * If not associated, or current association is not an HT
2731          * association, there's no need to do anything, just store
2732          * the new value until we associate.
2733          */
2734         if (!sdata->u.mgd.associated ||
2735             sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2736                 return 0;
2737
2738         ap = sdata->u.mgd.associated->bssid;
2739
2740         rcu_read_lock();
2741         list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2742                 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2743                     !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2744                         continue;
2745
2746                 tdls_peer_found = true;
2747                 break;
2748         }
2749         rcu_read_unlock();
2750
2751         if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2752                 if (tdls_peer_found || !sdata->u.mgd.powersave)
2753                         smps_mode = IEEE80211_SMPS_OFF;
2754                 else
2755                         smps_mode = IEEE80211_SMPS_DYNAMIC;
2756         }
2757
2758         /* send SM PS frame to AP */
2759         err = ieee80211_send_smps_action(sdata, smps_mode,
2760                                          ap, ap);
2761         if (err)
2762                 sdata->u.mgd.req_smps = old_req;
2763         else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2764                 ieee80211_teardown_tdls_peers(sdata);
2765
2766         return err;
2767 }
2768
2769 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2770                                     bool enabled, int timeout)
2771 {
2772         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2773         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2774
2775         if (sdata->vif.type != NL80211_IFTYPE_STATION)
2776                 return -EOPNOTSUPP;
2777
2778         if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2779                 return -EOPNOTSUPP;
2780
2781         if (enabled == sdata->u.mgd.powersave &&
2782             timeout == local->dynamic_ps_forced_timeout)
2783                 return 0;
2784
2785         sdata->u.mgd.powersave = enabled;
2786         local->dynamic_ps_forced_timeout = timeout;
2787
2788         /* no change, but if automatic follow powersave */
2789         sdata_lock(sdata);
2790         __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2791         sdata_unlock(sdata);
2792
2793         if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2794                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2795
2796         ieee80211_recalc_ps(local);
2797         ieee80211_recalc_ps_vif(sdata);
2798         ieee80211_check_fast_rx_iface(sdata);
2799
2800         return 0;
2801 }
2802
2803 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2804                                          struct net_device *dev,
2805                                          s32 rssi_thold, u32 rssi_hyst)
2806 {
2807         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2808         struct ieee80211_vif *vif = &sdata->vif;
2809         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2810
2811         if (rssi_thold == bss_conf->cqm_rssi_thold &&
2812             rssi_hyst == bss_conf->cqm_rssi_hyst)
2813                 return 0;
2814
2815         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2816             !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2817                 return -EOPNOTSUPP;
2818
2819         bss_conf->cqm_rssi_thold = rssi_thold;
2820         bss_conf->cqm_rssi_hyst = rssi_hyst;
2821         bss_conf->cqm_rssi_low = 0;
2822         bss_conf->cqm_rssi_high = 0;
2823         sdata->u.mgd.last_cqm_event_signal = 0;
2824
2825         /* tell the driver upon association, unless already associated */
2826         if (sdata->u.mgd.associated &&
2827             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2828                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2829
2830         return 0;
2831 }
2832
2833 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2834                                                struct net_device *dev,
2835                                                s32 rssi_low, s32 rssi_high)
2836 {
2837         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2838         struct ieee80211_vif *vif = &sdata->vif;
2839         struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2840
2841         if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2842                 return -EOPNOTSUPP;
2843
2844         bss_conf->cqm_rssi_low = rssi_low;
2845         bss_conf->cqm_rssi_high = rssi_high;
2846         bss_conf->cqm_rssi_thold = 0;
2847         bss_conf->cqm_rssi_hyst = 0;
2848         sdata->u.mgd.last_cqm_event_signal = 0;
2849
2850         /* tell the driver upon association, unless already associated */
2851         if (sdata->u.mgd.associated &&
2852             sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2853                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2854
2855         return 0;
2856 }
2857
2858 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2859                                       struct net_device *dev,
2860                                       const u8 *addr,
2861                                       const struct cfg80211_bitrate_mask *mask)
2862 {
2863         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2864         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2865         int i, ret;
2866
2867         if (!ieee80211_sdata_running(sdata))
2868                 return -ENETDOWN;
2869
2870         /*
2871          * If active validate the setting and reject it if it doesn't leave
2872          * at least one basic rate usable, since we really have to be able
2873          * to send something, and if we're an AP we have to be able to do
2874          * so at a basic rate so that all clients can receive it.
2875          */
2876         if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2877             sdata->vif.bss_conf.chandef.chan) {
2878                 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2879                 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2880
2881                 if (!(mask->control[band].legacy & basic_rates))
2882                         return -EINVAL;
2883         }
2884
2885         if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2886                 ret = drv_set_bitrate_mask(local, sdata, mask);
2887                 if (ret)
2888                         return ret;
2889         }
2890
2891         for (i = 0; i < NUM_NL80211_BANDS; i++) {
2892                 struct ieee80211_supported_band *sband = wiphy->bands[i];
2893                 int j;
2894
2895                 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2896                 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2897                        sizeof(mask->control[i].ht_mcs));
2898                 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2899                        mask->control[i].vht_mcs,
2900                        sizeof(mask->control[i].vht_mcs));
2901
2902                 sdata->rc_has_mcs_mask[i] = false;
2903                 sdata->rc_has_vht_mcs_mask[i] = false;
2904                 if (!sband)
2905                         continue;
2906
2907                 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2908                         if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) {
2909                                 sdata->rc_has_mcs_mask[i] = true;
2910                                 break;
2911                         }
2912                 }
2913
2914                 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2915                         if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) {
2916                                 sdata->rc_has_vht_mcs_mask[i] = true;
2917                                 break;
2918                         }
2919                 }
2920         }
2921
2922         return 0;
2923 }
2924
2925 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2926                                            struct net_device *dev,
2927                                            struct cfg80211_chan_def *chandef,
2928                                            u32 cac_time_ms)
2929 {
2930         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2931         struct ieee80211_local *local = sdata->local;
2932         int err;
2933
2934         mutex_lock(&local->mtx);
2935         if (!list_empty(&local->roc_list) || local->scanning) {
2936                 err = -EBUSY;
2937                 goto out_unlock;
2938         }
2939
2940         /* whatever, but channel contexts should not complain about that one */
2941         sdata->smps_mode = IEEE80211_SMPS_OFF;
2942         sdata->needed_rx_chains = local->rx_chains;
2943
2944         err = ieee80211_vif_use_channel(sdata, chandef,
2945                                         IEEE80211_CHANCTX_SHARED);
2946         if (err)
2947                 goto out_unlock;
2948
2949         ieee80211_queue_delayed_work(&sdata->local->hw,
2950                                      &sdata->dfs_cac_timer_work,
2951                                      msecs_to_jiffies(cac_time_ms));
2952
2953  out_unlock:
2954         mutex_unlock(&local->mtx);
2955         return err;
2956 }
2957
2958 static void ieee80211_end_cac(struct wiphy *wiphy,
2959                               struct net_device *dev)
2960 {
2961         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2962         struct ieee80211_local *local = sdata->local;
2963
2964         mutex_lock(&local->mtx);
2965         list_for_each_entry(sdata, &local->interfaces, list) {
2966                 /* it might be waiting for the local->mtx, but then
2967                  * by the time it gets it, sdata->wdev.cac_started
2968                  * will no longer be true
2969                  */
2970                 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2971
2972                 if (sdata->wdev.cac_started) {
2973                         ieee80211_vif_release_channel(sdata);
2974                         sdata->wdev.cac_started = false;
2975                 }
2976         }
2977         mutex_unlock(&local->mtx);
2978 }
2979
2980 static struct cfg80211_beacon_data *
2981 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2982 {
2983         struct cfg80211_beacon_data *new_beacon;
2984         u8 *pos;
2985         int len;
2986
2987         len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2988               beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2989               beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2990
2991         new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2992         if (!new_beacon)
2993                 return NULL;
2994
2995         pos = (u8 *)(new_beacon + 1);
2996         if (beacon->head_len) {
2997                 new_beacon->head_len = beacon->head_len;
2998                 new_beacon->head = pos;
2999                 memcpy(pos, beacon->head, beacon->head_len);
3000                 pos += beacon->head_len;
3001         }
3002         if (beacon->tail_len) {
3003                 new_beacon->tail_len = beacon->tail_len;
3004                 new_beacon->tail = pos;
3005                 memcpy(pos, beacon->tail, beacon->tail_len);
3006                 pos += beacon->tail_len;
3007         }
3008         if (beacon->beacon_ies_len) {
3009                 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
3010                 new_beacon->beacon_ies = pos;
3011                 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
3012                 pos += beacon->beacon_ies_len;
3013         }
3014         if (beacon->proberesp_ies_len) {
3015                 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
3016                 new_beacon->proberesp_ies = pos;
3017                 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
3018                 pos += beacon->proberesp_ies_len;
3019         }
3020         if (beacon->assocresp_ies_len) {
3021                 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
3022                 new_beacon->assocresp_ies = pos;
3023                 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
3024                 pos += beacon->assocresp_ies_len;
3025         }
3026         if (beacon->probe_resp_len) {
3027                 new_beacon->probe_resp_len = beacon->probe_resp_len;
3028                 new_beacon->probe_resp = pos;
3029                 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
3030                 pos += beacon->probe_resp_len;
3031         }
3032
3033         /* might copy -1, meaning no changes requested */
3034         new_beacon->ftm_responder = beacon->ftm_responder;
3035         if (beacon->lci) {
3036                 new_beacon->lci_len = beacon->lci_len;
3037                 new_beacon->lci = pos;
3038                 memcpy(pos, beacon->lci, beacon->lci_len);
3039                 pos += beacon->lci_len;
3040         }
3041         if (beacon->civicloc) {
3042                 new_beacon->civicloc_len = beacon->civicloc_len;
3043                 new_beacon->civicloc = pos;
3044                 memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3045                 pos += beacon->civicloc_len;
3046         }
3047
3048         return new_beacon;
3049 }
3050
3051 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3052 {
3053         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3054
3055         ieee80211_queue_work(&sdata->local->hw,
3056                              &sdata->csa_finalize_work);
3057 }
3058 EXPORT_SYMBOL(ieee80211_csa_finish);
3059
3060 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3061                                           u32 *changed)
3062 {
3063         int err;
3064
3065         switch (sdata->vif.type) {
3066         case NL80211_IFTYPE_AP:
3067                 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3068                                               NULL);
3069                 kfree(sdata->u.ap.next_beacon);
3070                 sdata->u.ap.next_beacon = NULL;
3071
3072                 if (err < 0)
3073                         return err;
3074                 *changed |= err;
3075                 break;
3076         case NL80211_IFTYPE_ADHOC:
3077                 err = ieee80211_ibss_finish_csa(sdata);
3078                 if (err < 0)
3079                         return err;
3080                 *changed |= err;
3081                 break;
3082 #ifdef CONFIG_MAC80211_MESH
3083         case NL80211_IFTYPE_MESH_POINT:
3084                 err = ieee80211_mesh_finish_csa(sdata);
3085                 if (err < 0)
3086                         return err;
3087                 *changed |= err;
3088                 break;
3089 #endif
3090         default:
3091                 WARN_ON(1);
3092                 return -EINVAL;
3093         }
3094
3095         return 0;
3096 }
3097
3098 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3099 {
3100         struct ieee80211_local *local = sdata->local;
3101         u32 changed = 0;
3102         int err;
3103
3104         sdata_assert_lock(sdata);
3105         lockdep_assert_held(&local->mtx);
3106         lockdep_assert_held(&local->chanctx_mtx);
3107
3108         /*
3109          * using reservation isn't immediate as it may be deferred until later
3110          * with multi-vif. once reservation is complete it will re-schedule the
3111          * work with no reserved_chanctx so verify chandef to check if it
3112          * completed successfully
3113          */
3114
3115         if (sdata->reserved_chanctx) {
3116                 /*
3117                  * with multi-vif csa driver may call ieee80211_csa_finish()
3118                  * many times while waiting for other interfaces to use their
3119                  * reservations
3120                  */
3121                 if (sdata->reserved_ready)
3122                         return 0;
3123
3124                 return ieee80211_vif_use_reserved_context(sdata);
3125         }
3126
3127         if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3128                                         &sdata->csa_chandef))
3129                 return -EINVAL;
3130
3131         sdata->vif.csa_active = false;
3132
3133         err = ieee80211_set_after_csa_beacon(sdata, &changed);
3134         if (err)
3135                 return err;
3136
3137         ieee80211_bss_info_change_notify(sdata, changed);
3138
3139         if (sdata->csa_block_tx) {
3140                 ieee80211_wake_vif_queues(local, sdata,
3141                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3142                 sdata->csa_block_tx = false;
3143         }
3144
3145         err = drv_post_channel_switch(sdata);
3146         if (err)
3147                 return err;
3148
3149         cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3150
3151         return 0;
3152 }
3153
3154 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3155 {
3156         if (__ieee80211_csa_finalize(sdata)) {
3157                 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3158                 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3159                                     GFP_KERNEL);
3160         }
3161 }
3162
3163 void ieee80211_csa_finalize_work(struct work_struct *work)
3164 {
3165         struct ieee80211_sub_if_data *sdata =
3166                 container_of(work, struct ieee80211_sub_if_data,
3167                              csa_finalize_work);
3168         struct ieee80211_local *local = sdata->local;
3169
3170         sdata_lock(sdata);
3171         mutex_lock(&local->mtx);
3172         mutex_lock(&local->chanctx_mtx);
3173
3174         /* AP might have been stopped while waiting for the lock. */
3175         if (!sdata->vif.csa_active)
3176                 goto unlock;
3177
3178         if (!ieee80211_sdata_running(sdata))
3179                 goto unlock;
3180
3181         ieee80211_csa_finalize(sdata);
3182
3183 unlock:
3184         mutex_unlock(&local->chanctx_mtx);
3185         mutex_unlock(&local->mtx);
3186         sdata_unlock(sdata);
3187 }
3188
3189 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3190                                     struct cfg80211_csa_settings *params,
3191                                     u32 *changed)
3192 {
3193         struct ieee80211_csa_settings csa = {};
3194         int err;
3195
3196         switch (sdata->vif.type) {
3197         case NL80211_IFTYPE_AP:
3198                 sdata->u.ap.next_beacon =
3199                         cfg80211_beacon_dup(&params->beacon_after);
3200                 if (!sdata->u.ap.next_beacon)
3201                         return -ENOMEM;
3202
3203                 /*
3204                  * With a count of 0, we don't have to wait for any
3205                  * TBTT before switching, so complete the CSA
3206                  * immediately.  In theory, with a count == 1 we
3207                  * should delay the switch until just before the next
3208                  * TBTT, but that would complicate things so we switch
3209                  * immediately too.  If we would delay the switch
3210                  * until the next TBTT, we would have to set the probe
3211                  * response here.
3212                  *
3213                  * TODO: A channel switch with count <= 1 without
3214                  * sending a CSA action frame is kind of useless,
3215                  * because the clients won't know we're changing
3216                  * channels.  The action frame must be implemented
3217                  * either here or in the userspace.
3218                  */
3219                 if (params->count <= 1)
3220                         break;
3221
3222                 if ((params->n_counter_offsets_beacon >
3223                      IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3224                     (params->n_counter_offsets_presp >
3225                      IEEE80211_MAX_CSA_COUNTERS_NUM))
3226                         return -EINVAL;
3227
3228                 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3229                 csa.counter_offsets_presp = params->counter_offsets_presp;
3230                 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3231                 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3232                 csa.count = params->count;
3233
3234                 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3235                 if (err < 0) {
3236                         kfree(sdata->u.ap.next_beacon);
3237                         return err;
3238                 }
3239                 *changed |= err;
3240
3241                 break;
3242         case NL80211_IFTYPE_ADHOC:
3243                 if (!sdata->vif.bss_conf.ibss_joined)
3244                         return -EINVAL;
3245
3246                 if (params->chandef.width != sdata->u.ibss.chandef.width)
3247                         return -EINVAL;
3248
3249                 switch (params->chandef.width) {
3250                 case NL80211_CHAN_WIDTH_40:
3251                         if (cfg80211_get_chandef_type(&params->chandef) !=
3252                             cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3253                                 return -EINVAL;
3254                 case NL80211_CHAN_WIDTH_5:
3255                 case NL80211_CHAN_WIDTH_10:
3256                 case NL80211_CHAN_WIDTH_20_NOHT:
3257                 case NL80211_CHAN_WIDTH_20:
3258                         break;
3259                 default:
3260                         return -EINVAL;
3261                 }
3262
3263                 /* changes into another band are not supported */
3264                 if (sdata->u.ibss.chandef.chan->band !=
3265                     params->chandef.chan->band)
3266                         return -EINVAL;
3267
3268                 /* see comments in the NL80211_IFTYPE_AP block */
3269                 if (params->count > 1) {
3270                         err = ieee80211_ibss_csa_beacon(sdata, params);
3271                         if (err < 0)
3272                                 return err;
3273                         *changed |= err;
3274                 }
3275
3276                 ieee80211_send_action_csa(sdata, params);
3277
3278                 break;
3279 #ifdef CONFIG_MAC80211_MESH
3280         case NL80211_IFTYPE_MESH_POINT: {
3281                 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3282
3283                 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3284                         return -EINVAL;
3285
3286                 /* changes into another band are not supported */
3287                 if (sdata->vif.bss_conf.chandef.chan->band !=
3288                     params->chandef.chan->band)
3289                         return -EINVAL;
3290
3291                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3292                         ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3293                         if (!ifmsh->pre_value)
3294                                 ifmsh->pre_value = 1;
3295                         else
3296                                 ifmsh->pre_value++;
3297                 }
3298
3299                 /* see comments in the NL80211_IFTYPE_AP block */
3300                 if (params->count > 1) {
3301                         err = ieee80211_mesh_csa_beacon(sdata, params);
3302                         if (err < 0) {
3303                                 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3304                                 return err;
3305                         }
3306                         *changed |= err;
3307                 }
3308
3309                 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3310                         ieee80211_send_action_csa(sdata, params);
3311
3312                 break;
3313                 }
3314 #endif
3315         default:
3316                 return -EOPNOTSUPP;
3317         }
3318
3319         return 0;
3320 }
3321
3322 static int
3323 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3324                            struct cfg80211_csa_settings *params)
3325 {
3326         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3327         struct ieee80211_local *local = sdata->local;
3328         struct ieee80211_channel_switch ch_switch;
3329         struct ieee80211_chanctx_conf *conf;
3330         struct ieee80211_chanctx *chanctx;
3331         u32 changed = 0;
3332         int err;
3333
3334         sdata_assert_lock(sdata);
3335         lockdep_assert_held(&local->mtx);
3336
3337         if (!list_empty(&local->roc_list) || local->scanning)
3338                 return -EBUSY;
3339
3340         if (sdata->wdev.cac_started)
3341                 return -EBUSY;
3342
3343         if (cfg80211_chandef_identical(&params->chandef,
3344                                        &sdata->vif.bss_conf.chandef))
3345                 return -EINVAL;
3346
3347         /* don't allow another channel switch if one is already active. */
3348         if (sdata->vif.csa_active)
3349                 return -EBUSY;
3350
3351         mutex_lock(&local->chanctx_mtx);
3352         conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3353                                          lockdep_is_held(&local->chanctx_mtx));
3354         if (!conf) {
3355                 err = -EBUSY;
3356                 goto out;
3357         }
3358
3359         chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3360
3361         ch_switch.timestamp = 0;
3362         ch_switch.device_timestamp = 0;
3363         ch_switch.block_tx = params->block_tx;
3364         ch_switch.chandef = params->chandef;
3365         ch_switch.count = params->count;
3366
3367         err = drv_pre_channel_switch(sdata, &ch_switch);
3368         if (err)
3369                 goto out;
3370
3371         err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3372                                             chanctx->mode,
3373                                             params->radar_required);
3374         if (err)
3375                 goto out;
3376
3377         /* if reservation is invalid then this will fail */
3378         err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3379         if (err) {
3380                 ieee80211_vif_unreserve_chanctx(sdata);
3381                 goto out;
3382         }
3383
3384         err = ieee80211_set_csa_beacon(sdata, params, &changed);
3385         if (err) {
3386                 ieee80211_vif_unreserve_chanctx(sdata);
3387                 goto out;
3388         }
3389
3390         sdata->csa_chandef = params->chandef;
3391         sdata->csa_block_tx = params->block_tx;
3392         sdata->vif.csa_active = true;
3393
3394         if (sdata->csa_block_tx)
3395                 ieee80211_stop_vif_queues(local, sdata,
3396                                           IEEE80211_QUEUE_STOP_REASON_CSA);
3397
3398         cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3399                                           params->count);
3400
3401         if (changed) {
3402                 ieee80211_bss_info_change_notify(sdata, changed);
3403                 drv_channel_switch_beacon(sdata, &params->chandef);
3404         } else {
3405                 /* if the beacon didn't change, we can finalize immediately */
3406                 ieee80211_csa_finalize(sdata);
3407         }
3408
3409 out:
3410         mutex_unlock(&local->chanctx_mtx);
3411         return err;
3412 }
3413
3414 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3415                              struct cfg80211_csa_settings *params)
3416 {
3417         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3418         struct ieee80211_local *local = sdata->local;
3419         int err;
3420
3421         mutex_lock(&local->mtx);
3422         err = __ieee80211_channel_switch(wiphy, dev, params);
3423         mutex_unlock(&local->mtx);
3424
3425         return err;
3426 }
3427
3428 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3429 {
3430         lockdep_assert_held(&local->mtx);
3431
3432         local->roc_cookie_counter++;
3433
3434         /* wow, you wrapped 64 bits ... more likely a bug */
3435         if (WARN_ON(local->roc_cookie_counter == 0))
3436                 local->roc_cookie_counter++;
3437
3438         return local->roc_cookie_counter;
3439 }
3440
3441 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3442                              u64 *cookie, gfp_t gfp)
3443 {
3444         unsigned long spin_flags;
3445         struct sk_buff *ack_skb;
3446         int id;
3447
3448         ack_skb = skb_copy(skb, gfp);
3449         if (!ack_skb)
3450                 return -ENOMEM;
3451
3452         spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3453         id = idr_alloc(&local->ack_status_frames, ack_skb,
3454                        1, 0x10000, GFP_ATOMIC);
3455         spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3456
3457         if (id < 0) {
3458                 kfree_skb(ack_skb);
3459                 return -ENOMEM;
3460         }
3461
3462         IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3463
3464         *cookie = ieee80211_mgmt_tx_cookie(local);
3465         IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3466
3467         return 0;
3468 }
3469
3470 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3471                                           struct wireless_dev *wdev,
3472                                           u16 frame_type, bool reg)
3473 {
3474         struct ieee80211_local *local = wiphy_priv(wiphy);
3475         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3476
3477         switch (frame_type) {
3478         case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3479                 if (reg) {
3480                         local->probe_req_reg++;
3481                         sdata->vif.probe_req_reg++;
3482                 } else {
3483                         if (local->probe_req_reg)
3484                                 local->probe_req_reg--;
3485
3486                         if (sdata->vif.probe_req_reg)
3487                                 sdata->vif.probe_req_reg--;
3488                 }
3489
3490                 if (!local->open_count)
3491                         break;
3492
3493                 if (sdata->vif.probe_req_reg == 1)
3494                         drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3495                                                 FIF_PROBE_REQ);
3496                 else if (sdata->vif.probe_req_reg == 0)
3497                         drv_config_iface_filter(local, sdata, 0,
3498                                                 FIF_PROBE_REQ);
3499
3500                 ieee80211_configure_filter(local);
3501                 break;
3502         default:
3503                 break;
3504         }
3505 }
3506
3507 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3508 {
3509         struct ieee80211_local *local = wiphy_priv(wiphy);
3510
3511         if (local->started)
3512                 return -EOPNOTSUPP;
3513
3514         return drv_set_antenna(local, tx_ant, rx_ant);
3515 }
3516
3517 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3518 {
3519         struct ieee80211_local *local = wiphy_priv(wiphy);
3520
3521         return drv_get_antenna(local, tx_ant, rx_ant);
3522 }
3523
3524 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3525                                     struct net_device *dev,
3526                                     struct cfg80211_gtk_rekey_data *data)
3527 {
3528         struct ieee80211_local *local = wiphy_priv(wiphy);
3529         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3530
3531         if (!local->ops->set_rekey_data)
3532                 return -EOPNOTSUPP;
3533
3534         drv_set_rekey_data(local, sdata, data);
3535
3536         return 0;
3537 }
3538
3539 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3540                                   const u8 *peer, u64 *cookie)
3541 {
3542         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3543         struct ieee80211_local *local = sdata->local;
3544         struct ieee80211_qos_hdr *nullfunc;
3545         struct sk_buff *skb;
3546         int size = sizeof(*nullfunc);
3547         __le16 fc;
3548         bool qos;
3549         struct ieee80211_tx_info *info;
3550         struct sta_info *sta;
3551         struct ieee80211_chanctx_conf *chanctx_conf;
3552         enum nl80211_band band;
3553         int ret;
3554
3555         /* the lock is needed to assign the cookie later */
3556         mutex_lock(&local->mtx);
3557
3558         rcu_read_lock();
3559         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3560         if (WARN_ON(!chanctx_conf)) {
3561                 ret = -EINVAL;
3562                 goto unlock;
3563         }
3564         band = chanctx_conf->def.chan->band;
3565         sta = sta_info_get_bss(sdata, peer);
3566         if (sta) {
3567                 qos = sta->sta.wme;
3568         } else {
3569                 ret = -ENOLINK;
3570                 goto unlock;
3571         }
3572
3573         if (qos) {
3574                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3575                                  IEEE80211_STYPE_QOS_NULLFUNC |
3576                                  IEEE80211_FCTL_FROMDS);
3577         } else {
3578                 size -= 2;
3579                 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3580                                  IEEE80211_STYPE_NULLFUNC |
3581                                  IEEE80211_FCTL_FROMDS);
3582         }
3583
3584         skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3585         if (!skb) {
3586                 ret = -ENOMEM;
3587                 goto unlock;
3588         }
3589
3590         skb->dev = dev;
3591
3592         skb_reserve(skb, local->hw.extra_tx_headroom);
3593
3594         nullfunc = skb_put(skb, size);
3595         nullfunc->frame_control = fc;
3596         nullfunc->duration_id = 0;
3597         memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3598         memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3599         memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3600         nullfunc->seq_ctrl = 0;
3601
3602         info = IEEE80211_SKB_CB(skb);
3603
3604         info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3605                        IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3606         info->band = band;
3607
3608         skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3609         skb->priority = 7;
3610         if (qos)
3611                 nullfunc->qos_ctrl = cpu_to_le16(7);
3612
3613         ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3614         if (ret) {
3615                 kfree_skb(skb);
3616                 goto unlock;
3617         }
3618
3619         local_bh_disable();
3620         ieee80211_xmit(sdata, sta, skb, 0);
3621         local_bh_enable();
3622
3623         ret = 0;
3624 unlock:
3625         rcu_read_unlock();
3626         mutex_unlock(&local->mtx);
3627
3628         return ret;
3629 }
3630
3631 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3632                                      struct wireless_dev *wdev,
3633                                      struct cfg80211_chan_def *chandef)
3634 {
3635         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3636         struct ieee80211_local *local = wiphy_priv(wiphy);
3637         struct ieee80211_chanctx_conf *chanctx_conf;
3638         int ret = -ENODATA;
3639
3640         rcu_read_lock();
3641         chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3642         if (chanctx_conf) {
3643                 *chandef = sdata->vif.bss_conf.chandef;
3644                 ret = 0;
3645         } else if (local->open_count > 0 &&
3646                    local->open_count == local->monitors &&
3647                    sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3648                 if (local->use_chanctx)
3649                         *chandef = local->monitor_chandef;
3650                 else
3651                         *chandef = local->_oper_chandef;
3652                 ret = 0;
3653         }
3654         rcu_read_unlock();
3655
3656         return ret;
3657 }
3658
3659 #ifdef CONFIG_PM
3660 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3661 {
3662         drv_set_wakeup(wiphy_priv(wiphy), enabled);
3663 }
3664 #endif
3665
3666 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3667                                  struct net_device *dev,
3668                                  struct cfg80211_qos_map *qos_map)
3669 {
3670         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3671         struct mac80211_qos_map *new_qos_map, *old_qos_map;
3672
3673         if (qos_map) {
3674                 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3675                 if (!new_qos_map)
3676                         return -ENOMEM;
3677                 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3678         } else {
3679                 /* A NULL qos_map was passed to disable QoS mapping */
3680                 new_qos_map = NULL;
3681         }
3682
3683         old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3684         rcu_assign_pointer(sdata->qos_map, new_qos_map);
3685         if (old_qos_map)
3686                 kfree_rcu(old_qos_map, rcu_head);
3687
3688         return 0;
3689 }
3690
3691 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3692                                       struct net_device *dev,
3693                                       struct cfg80211_chan_def *chandef)
3694 {
3695         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3696         int ret;
3697         u32 changed = 0;
3698
3699         ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3700         if (ret == 0)
3701                 ieee80211_bss_info_change_notify(sdata, changed);
3702
3703         return ret;
3704 }
3705
3706 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3707                                u8 tsid, const u8 *peer, u8 up,
3708                                u16 admitted_time)
3709 {
3710         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3711         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3712         int ac = ieee802_1d_to_ac[up];
3713
3714         if (sdata->vif.type != NL80211_IFTYPE_STATION)
3715                 return -EOPNOTSUPP;
3716
3717         if (!(sdata->wmm_acm & BIT(up)))
3718                 return -EINVAL;
3719
3720         if (ifmgd->tx_tspec[ac].admitted_time)
3721                 return -EBUSY;
3722
3723         if (admitted_time) {
3724                 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3725                 ifmgd->tx_tspec[ac].tsid = tsid;
3726                 ifmgd->tx_tspec[ac].up = up;
3727         }
3728
3729         return 0;
3730 }
3731
3732 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3733                                u8 tsid, const u8 *peer)
3734 {
3735         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3736         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3737         struct ieee80211_local *local = wiphy_priv(wiphy);
3738         int ac;
3739
3740         for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3741                 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3742
3743                 /* skip unused entries */
3744                 if (!tx_tspec->admitted_time)
3745                         continue;
3746
3747                 if (tx_tspec->tsid != tsid)
3748                         continue;
3749
3750                 /* due to this new packets will be reassigned to non-ACM ACs */
3751                 tx_tspec->up = -1;
3752
3753                 /* Make sure that all packets have been sent to avoid to
3754                  * restore the QoS params on packets that are still on the
3755                  * queues.
3756                  */
3757                 synchronize_net();
3758                 ieee80211_flush_queues(local, sdata, false);
3759
3760                 /* restore the normal QoS parameters
3761                  * (unconditionally to avoid races)
3762                  */
3763                 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3764                 tx_tspec->downgraded = false;
3765                 ieee80211_sta_handle_tspec_ac_params(sdata);
3766
3767                 /* finally clear all the data */
3768                 memset(tx_tspec, 0, sizeof(*tx_tspec));
3769
3770                 return 0;
3771         }
3772
3773         return -ENOENT;
3774 }
3775
3776 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3777                                    u8 inst_id,
3778                                    enum nl80211_nan_func_term_reason reason,
3779                                    gfp_t gfp)
3780 {
3781         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3782         struct cfg80211_nan_func *func;
3783         u64 cookie;
3784
3785         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3786                 return;
3787
3788         spin_lock_bh(&sdata->u.nan.func_lock);
3789
3790         func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3791         if (WARN_ON(!func)) {
3792                 spin_unlock_bh(&sdata->u.nan.func_lock);
3793                 return;
3794         }
3795
3796         cookie = func->cookie;
3797         idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3798
3799         spin_unlock_bh(&sdata->u.nan.func_lock);
3800
3801         cfg80211_free_nan_func(func);
3802
3803         cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3804                                      reason, cookie, gfp);
3805 }
3806 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3807
3808 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3809                               struct cfg80211_nan_match_params *match,
3810                               gfp_t gfp)
3811 {
3812         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3813         struct cfg80211_nan_func *func;
3814
3815         if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3816                 return;
3817
3818         spin_lock_bh(&sdata->u.nan.func_lock);
3819
3820         func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3821         if (WARN_ON(!func)) {
3822                 spin_unlock_bh(&sdata->u.nan.func_lock);
3823                 return;
3824         }
3825         match->cookie = func->cookie;
3826
3827         spin_unlock_bh(&sdata->u.nan.func_lock);
3828
3829         cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3830 }
3831 EXPORT_SYMBOL(ieee80211_nan_func_match);
3832
3833 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3834                                               struct net_device *dev,
3835                                               const bool enabled)
3836 {
3837         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3838
3839         sdata->u.ap.multicast_to_unicast = enabled;
3840
3841         return 0;
3842 }
3843
3844 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3845                               struct txq_info *txqi)
3846 {
3847         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3848                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3849                 txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3850         }
3851
3852         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3853                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3854                 txqstats->backlog_packets = txqi->tin.backlog_packets;
3855         }
3856
3857         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3858                 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3859                 txqstats->flows = txqi->tin.flows;
3860         }
3861
3862         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3863                 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3864                 txqstats->drops = txqi->cstats.drop_count;
3865         }
3866
3867         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3868                 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3869                 txqstats->ecn_marks = txqi->cstats.ecn_mark;
3870         }
3871
3872         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3873                 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3874                 txqstats->overlimit = txqi->tin.overlimit;
3875         }
3876
3877         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3878                 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3879                 txqstats->collisions = txqi->tin.collisions;
3880         }
3881
3882         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3883                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3884                 txqstats->tx_bytes = txqi->tin.tx_bytes;
3885         }
3886
3887         if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3888                 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3889                 txqstats->tx_packets = txqi->tin.tx_packets;
3890         }
3891 }
3892
3893 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3894                                    struct wireless_dev *wdev,
3895                                    struct cfg80211_txq_stats *txqstats)
3896 {
3897         struct ieee80211_local *local = wiphy_priv(wiphy);
3898         struct ieee80211_sub_if_data *sdata;
3899         int ret = 0;
3900
3901         if (!local->ops->wake_tx_queue)
3902                 return 1;
3903
3904         spin_lock_bh(&local->fq.lock);
3905         rcu_read_lock();
3906
3907         if (wdev) {
3908                 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3909                 if (!sdata->vif.txq) {
3910                         ret = 1;
3911                         goto out;
3912                 }
3913                 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3914         } else {
3915                 /* phy stats */
3916                 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3917                                     BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3918                                     BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3919                                     BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3920                                     BIT(NL80211_TXQ_STATS_COLLISIONS) |
3921                                     BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3922                 txqstats->backlog_packets = local->fq.backlog;
3923                 txqstats->backlog_bytes = local->fq.memory_usage;
3924                 txqstats->overlimit = local->fq.overlimit;
3925                 txqstats->overmemory = local->fq.overmemory;
3926                 txqstats->collisions = local->fq.collisions;
3927                 txqstats->max_flows = local->fq.flows_cnt;
3928         }
3929
3930 out:
3931         rcu_read_unlock();
3932         spin_unlock_bh(&local->fq.lock);
3933
3934         return ret;
3935 }
3936
3937 static int
3938 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3939                                   struct net_device *dev,
3940                                   struct cfg80211_ftm_responder_stats *ftm_stats)
3941 {
3942         struct ieee80211_local *local = wiphy_priv(wiphy);
3943         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3944
3945         return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3946 }
3947
3948 static int
3949 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3950                      struct cfg80211_pmsr_request *request)
3951 {
3952         struct ieee80211_local *local = wiphy_priv(wiphy);
3953         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3954
3955         return drv_start_pmsr(local, sdata, request);
3956 }
3957
3958 static void
3959 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3960                      struct cfg80211_pmsr_request *request)
3961 {
3962         struct ieee80211_local *local = wiphy_priv(wiphy);
3963         struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3964
3965         return drv_abort_pmsr(local, sdata, request);
3966 }
3967
3968 const struct cfg80211_ops mac80211_config_ops = {
3969         .add_virtual_intf = ieee80211_add_iface,
3970         .del_virtual_intf = ieee80211_del_iface,
3971         .change_virtual_intf = ieee80211_change_iface,
3972         .start_p2p_device = ieee80211_start_p2p_device,
3973         .stop_p2p_device = ieee80211_stop_p2p_device,
3974         .add_key = ieee80211_add_key,
3975         .del_key = ieee80211_del_key,
3976         .get_key = ieee80211_get_key,
3977         .set_default_key = ieee80211_config_default_key,
3978         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3979         .start_ap = ieee80211_start_ap,
3980         .change_beacon = ieee80211_change_beacon,
3981         .stop_ap = ieee80211_stop_ap,
3982         .add_station = ieee80211_add_station,
3983         .del_station = ieee80211_del_station,
3984         .change_station = ieee80211_change_station,
3985         .get_station = ieee80211_get_station,
3986         .dump_station = ieee80211_dump_station,
3987         .dump_survey = ieee80211_dump_survey,
3988 #ifdef CONFIG_MAC80211_MESH
3989         .add_mpath = ieee80211_add_mpath,
3990         .del_mpath = ieee80211_del_mpath,
3991         .change_mpath = ieee80211_change_mpath,
3992         .get_mpath = ieee80211_get_mpath,
3993         .dump_mpath = ieee80211_dump_mpath,
3994         .get_mpp = ieee80211_get_mpp,
3995         .dump_mpp = ieee80211_dump_mpp,
3996         .update_mesh_config = ieee80211_update_mesh_config,
3997         .get_mesh_config = ieee80211_get_mesh_config,
3998         .join_mesh = ieee80211_join_mesh,
3999         .leave_mesh = ieee80211_leave_mesh,
4000 #endif
4001         .join_ocb = ieee80211_join_ocb,
4002         .leave_ocb = ieee80211_leave_ocb,
4003         .change_bss = ieee80211_change_bss,
4004         .set_txq_params = ieee80211_set_txq_params,
4005         .set_monitor_channel = ieee80211_set_monitor_channel,
4006         .suspend = ieee80211_suspend,
4007         .resume = ieee80211_resume,
4008         .scan = ieee80211_scan,
4009         .abort_scan = ieee80211_abort_scan,
4010         .sched_scan_start = ieee80211_sched_scan_start,
4011         .sched_scan_stop = ieee80211_sched_scan_stop,
4012         .auth = ieee80211_auth,
4013         .assoc = ieee80211_assoc,
4014         .deauth = ieee80211_deauth,
4015         .disassoc = ieee80211_disassoc,
4016         .join_ibss = ieee80211_join_ibss,
4017         .leave_ibss = ieee80211_leave_ibss,
4018         .set_mcast_rate = ieee80211_set_mcast_rate,
4019         .set_wiphy_params = ieee80211_set_wiphy_params,
4020         .set_tx_power = ieee80211_set_tx_power,
4021         .get_tx_power = ieee80211_get_tx_power,
4022         .set_wds_peer = ieee80211_set_wds_peer,
4023         .rfkill_poll = ieee80211_rfkill_poll,
4024         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4025         CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4026         .set_power_mgmt = ieee80211_set_power_mgmt,
4027         .set_bitrate_mask = ieee80211_set_bitrate_mask,
4028         .remain_on_channel = ieee80211_remain_on_channel,
4029         .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4030         .mgmt_tx = ieee80211_mgmt_tx,
4031         .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4032         .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4033         .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4034         .mgmt_frame_register = ieee80211_mgmt_frame_register,
4035         .set_antenna = ieee80211_set_antenna,
4036         .get_antenna = ieee80211_get_antenna,
4037         .set_rekey_data = ieee80211_set_rekey_data,
4038         .tdls_oper = ieee80211_tdls_oper,
4039         .tdls_mgmt = ieee80211_tdls_mgmt,
4040         .tdls_channel_switch = ieee80211_tdls_channel_switch,
4041         .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4042         .probe_client = ieee80211_probe_client,
4043         .set_noack_map = ieee80211_set_noack_map,
4044 #ifdef CONFIG_PM
4045         .set_wakeup = ieee80211_set_wakeup,
4046 #endif
4047         .get_channel = ieee80211_cfg_get_channel,
4048         .start_radar_detection = ieee80211_start_radar_detection,
4049         .end_cac = ieee80211_end_cac,
4050         .channel_switch = ieee80211_channel_switch,
4051         .set_qos_map = ieee80211_set_qos_map,
4052         .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4053         .add_tx_ts = ieee80211_add_tx_ts,
4054         .del_tx_ts = ieee80211_del_tx_ts,
4055         .start_nan = ieee80211_start_nan,
4056         .stop_nan = ieee80211_stop_nan,
4057         .nan_change_conf = ieee80211_nan_change_conf,
4058         .add_nan_func = ieee80211_add_nan_func,
4059         .del_nan_func = ieee80211_del_nan_func,
4060         .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4061         .tx_control_port = ieee80211_tx_control_port,
4062         .get_txq_stats = ieee80211_get_txq_stats,
4063         .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4064         .start_pmsr = ieee80211_start_pmsr,
4065         .abort_pmsr = ieee80211_abort_pmsr,
4066         .probe_mesh_link = ieee80211_probe_mesh_link,
4067 };