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) 2018-2022 Intel Corporation 9 */ 10 11 #include <linux/ieee80211.h> 12 #include <linux/nl80211.h> 13 #include <linux/rtnetlink.h> 14 #include <linux/slab.h> 15 #include <net/net_namespace.h> 16 #include <linux/rcupdate.h> 17 #include <linux/fips.h> 18 #include <linux/if_ether.h> 19 #include <net/cfg80211.h> 20 #include "ieee80211_i.h" 21 #include "driver-ops.h" 22 #include "rate.h" 23 #include "mesh.h" 24 #include "wme.h" 25 26 static struct ieee80211_link_data * 27 ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id, 28 bool require_valid) 29 { 30 struct ieee80211_link_data *link; 31 32 if (link_id < 0) { 33 /* 34 * For keys, if sdata is not an MLD, we might not use 35 * the return value at all (if it's not a pairwise key), 36 * so in that case (require_valid==false) don't error. 37 */ 38 if (require_valid && sdata->vif.valid_links) 39 return ERR_PTR(-EINVAL); 40 41 return &sdata->deflink; 42 } 43 44 link = sdata_dereference(sdata->link[link_id], sdata); 45 if (!link) 46 return ERR_PTR(-ENOLINK); 47 return link; 48 } 49 50 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata, 51 struct vif_params *params) 52 { 53 bool mu_mimo_groups = false; 54 bool mu_mimo_follow = false; 55 56 if (params->vht_mumimo_groups) { 57 u64 membership; 58 59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN); 60 61 memcpy(sdata->vif.bss_conf.mu_group.membership, 62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); 63 memcpy(sdata->vif.bss_conf.mu_group.position, 64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, 65 WLAN_USER_POSITION_LEN); 66 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 67 BSS_CHANGED_MU_GROUPS); 68 /* don't care about endianness - just check for 0 */ 69 memcpy(&membership, params->vht_mumimo_groups, 70 WLAN_MEMBERSHIP_LEN); 71 mu_mimo_groups = membership != 0; 72 } 73 74 if (params->vht_mumimo_follow_addr) { 75 mu_mimo_follow = 76 is_valid_ether_addr(params->vht_mumimo_follow_addr); 77 ether_addr_copy(sdata->u.mntr.mu_follow_addr, 78 params->vht_mumimo_follow_addr); 79 } 80 81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; 82 } 83 84 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, 85 struct vif_params *params) 86 { 87 struct ieee80211_local *local = sdata->local; 88 struct ieee80211_sub_if_data *monitor_sdata; 89 90 /* check flags first */ 91 if (params->flags && ieee80211_sdata_running(sdata)) { 92 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE; 93 94 /* 95 * Prohibit MONITOR_FLAG_COOK_FRAMES and 96 * MONITOR_FLAG_ACTIVE to be changed while the 97 * interface is up. 98 * Else we would need to add a lot of cruft 99 * to update everything: 100 * cooked_mntrs, monitor and all fif_* counters 101 * reconfigure hardware 102 */ 103 if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) 104 return -EBUSY; 105 } 106 107 /* also validate MU-MIMO change */ 108 monitor_sdata = wiphy_dereference(local->hw.wiphy, 109 local->monitor_sdata); 110 111 if (!monitor_sdata && 112 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) 113 return -EOPNOTSUPP; 114 115 /* apply all changes now - no failures allowed */ 116 117 if (monitor_sdata) 118 ieee80211_set_mu_mimo_follow(monitor_sdata, params); 119 120 if (params->flags) { 121 if (ieee80211_sdata_running(sdata)) { 122 ieee80211_adjust_monitor_flags(sdata, -1); 123 sdata->u.mntr.flags = params->flags; 124 ieee80211_adjust_monitor_flags(sdata, 1); 125 126 ieee80211_configure_filter(local); 127 } else { 128 /* 129 * Because the interface is down, ieee80211_do_stop 130 * and ieee80211_do_open take care of "everything" 131 * mentioned in the comment above. 132 */ 133 sdata->u.mntr.flags = params->flags; 134 } 135 } 136 137 return 0; 138 } 139 140 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata, 141 struct cfg80211_mbssid_config params, 142 struct ieee80211_bss_conf *link_conf) 143 { 144 struct ieee80211_sub_if_data *tx_sdata; 145 146 sdata->vif.mbssid_tx_vif = NULL; 147 link_conf->bssid_index = 0; 148 link_conf->nontransmitted = false; 149 link_conf->ema_ap = false; 150 link_conf->bssid_indicator = 0; 151 152 if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev) 153 return -EINVAL; 154 155 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params.tx_wdev); 156 if (!tx_sdata) 157 return -EINVAL; 158 159 if (tx_sdata == sdata) { 160 sdata->vif.mbssid_tx_vif = &sdata->vif; 161 } else { 162 sdata->vif.mbssid_tx_vif = &tx_sdata->vif; 163 link_conf->nontransmitted = true; 164 link_conf->bssid_index = params.index; 165 } 166 if (params.ema) 167 link_conf->ema_ap = true; 168 169 return 0; 170 } 171 172 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 173 const char *name, 174 unsigned char name_assign_type, 175 enum nl80211_iftype type, 176 struct vif_params *params) 177 { 178 struct ieee80211_local *local = wiphy_priv(wiphy); 179 struct wireless_dev *wdev; 180 struct ieee80211_sub_if_data *sdata; 181 int err; 182 183 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 184 if (err) 185 return ERR_PTR(err); 186 187 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 188 189 if (type == NL80211_IFTYPE_MONITOR) { 190 err = ieee80211_set_mon_options(sdata, params); 191 if (err) { 192 ieee80211_if_remove(sdata); 193 return NULL; 194 } 195 } 196 197 return wdev; 198 } 199 200 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 201 { 202 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 203 204 return 0; 205 } 206 207 static int ieee80211_change_iface(struct wiphy *wiphy, 208 struct net_device *dev, 209 enum nl80211_iftype type, 210 struct vif_params *params) 211 { 212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 213 struct ieee80211_local *local = sdata->local; 214 struct sta_info *sta; 215 int ret; 216 217 ret = ieee80211_if_change_type(sdata, type); 218 if (ret) 219 return ret; 220 221 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 222 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 223 ieee80211_check_fast_rx_iface(sdata); 224 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 225 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 226 227 if (params->use_4addr == ifmgd->use_4addr) 228 return 0; 229 230 /* FIXME: no support for 4-addr MLO yet */ 231 if (sdata->vif.valid_links) 232 return -EOPNOTSUPP; 233 234 sdata->u.mgd.use_4addr = params->use_4addr; 235 if (!ifmgd->associated) 236 return 0; 237 238 mutex_lock(&local->sta_mtx); 239 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); 240 if (sta) 241 drv_sta_set_4addr(local, sdata, &sta->sta, 242 params->use_4addr); 243 mutex_unlock(&local->sta_mtx); 244 245 if (params->use_4addr) 246 ieee80211_send_4addr_nullfunc(local, sdata); 247 } 248 249 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 250 ret = ieee80211_set_mon_options(sdata, params); 251 if (ret) 252 return ret; 253 } 254 255 return 0; 256 } 257 258 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 259 struct wireless_dev *wdev) 260 { 261 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 262 int ret; 263 264 mutex_lock(&sdata->local->chanctx_mtx); 265 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 266 mutex_unlock(&sdata->local->chanctx_mtx); 267 if (ret < 0) 268 return ret; 269 270 return ieee80211_do_open(wdev, true); 271 } 272 273 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 274 struct wireless_dev *wdev) 275 { 276 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 277 } 278 279 static int ieee80211_start_nan(struct wiphy *wiphy, 280 struct wireless_dev *wdev, 281 struct cfg80211_nan_conf *conf) 282 { 283 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 284 int ret; 285 286 mutex_lock(&sdata->local->chanctx_mtx); 287 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 288 mutex_unlock(&sdata->local->chanctx_mtx); 289 if (ret < 0) 290 return ret; 291 292 ret = ieee80211_do_open(wdev, true); 293 if (ret) 294 return ret; 295 296 ret = drv_start_nan(sdata->local, sdata, conf); 297 if (ret) 298 ieee80211_sdata_stop(sdata); 299 300 sdata->u.nan.conf = *conf; 301 302 return ret; 303 } 304 305 static void ieee80211_stop_nan(struct wiphy *wiphy, 306 struct wireless_dev *wdev) 307 { 308 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 309 310 drv_stop_nan(sdata->local, sdata); 311 ieee80211_sdata_stop(sdata); 312 } 313 314 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 315 struct wireless_dev *wdev, 316 struct cfg80211_nan_conf *conf, 317 u32 changes) 318 { 319 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 320 struct cfg80211_nan_conf new_conf; 321 int ret = 0; 322 323 if (sdata->vif.type != NL80211_IFTYPE_NAN) 324 return -EOPNOTSUPP; 325 326 if (!ieee80211_sdata_running(sdata)) 327 return -ENETDOWN; 328 329 new_conf = sdata->u.nan.conf; 330 331 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 332 new_conf.master_pref = conf->master_pref; 333 334 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 335 new_conf.bands = conf->bands; 336 337 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 338 if (!ret) 339 sdata->u.nan.conf = new_conf; 340 341 return ret; 342 } 343 344 static int ieee80211_add_nan_func(struct wiphy *wiphy, 345 struct wireless_dev *wdev, 346 struct cfg80211_nan_func *nan_func) 347 { 348 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 349 int ret; 350 351 if (sdata->vif.type != NL80211_IFTYPE_NAN) 352 return -EOPNOTSUPP; 353 354 if (!ieee80211_sdata_running(sdata)) 355 return -ENETDOWN; 356 357 spin_lock_bh(&sdata->u.nan.func_lock); 358 359 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 360 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 361 GFP_ATOMIC); 362 spin_unlock_bh(&sdata->u.nan.func_lock); 363 364 if (ret < 0) 365 return ret; 366 367 nan_func->instance_id = ret; 368 369 WARN_ON(nan_func->instance_id == 0); 370 371 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 372 if (ret) { 373 spin_lock_bh(&sdata->u.nan.func_lock); 374 idr_remove(&sdata->u.nan.function_inst_ids, 375 nan_func->instance_id); 376 spin_unlock_bh(&sdata->u.nan.func_lock); 377 } 378 379 return ret; 380 } 381 382 static struct cfg80211_nan_func * 383 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 384 u64 cookie) 385 { 386 struct cfg80211_nan_func *func; 387 int id; 388 389 lockdep_assert_held(&sdata->u.nan.func_lock); 390 391 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 392 if (func->cookie == cookie) 393 return func; 394 } 395 396 return NULL; 397 } 398 399 static void ieee80211_del_nan_func(struct wiphy *wiphy, 400 struct wireless_dev *wdev, u64 cookie) 401 { 402 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 403 struct cfg80211_nan_func *func; 404 u8 instance_id = 0; 405 406 if (sdata->vif.type != NL80211_IFTYPE_NAN || 407 !ieee80211_sdata_running(sdata)) 408 return; 409 410 spin_lock_bh(&sdata->u.nan.func_lock); 411 412 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 413 if (func) 414 instance_id = func->instance_id; 415 416 spin_unlock_bh(&sdata->u.nan.func_lock); 417 418 if (instance_id) 419 drv_del_nan_func(sdata->local, sdata, instance_id); 420 } 421 422 static int ieee80211_set_noack_map(struct wiphy *wiphy, 423 struct net_device *dev, 424 u16 noack_map) 425 { 426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 427 428 sdata->noack_map = noack_map; 429 430 ieee80211_check_fast_xmit_iface(sdata); 431 432 return 0; 433 } 434 435 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 436 const u8 *mac_addr, u8 key_idx) 437 { 438 struct ieee80211_local *local = sdata->local; 439 struct ieee80211_key *key; 440 struct sta_info *sta; 441 int ret = -EINVAL; 442 443 if (!wiphy_ext_feature_isset(local->hw.wiphy, 444 NL80211_EXT_FEATURE_EXT_KEY_ID)) 445 return -EINVAL; 446 447 sta = sta_info_get_bss(sdata, mac_addr); 448 449 if (!sta) 450 return -EINVAL; 451 452 if (sta->ptk_idx == key_idx) 453 return 0; 454 455 mutex_lock(&local->key_mtx); 456 key = key_mtx_dereference(local, sta->ptk[key_idx]); 457 458 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 459 ret = ieee80211_set_tx_key(key); 460 461 mutex_unlock(&local->key_mtx); 462 return ret; 463 } 464 465 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 466 int link_id, u8 key_idx, bool pairwise, 467 const u8 *mac_addr, struct key_params *params) 468 { 469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 470 struct ieee80211_link_data *link = 471 ieee80211_link_or_deflink(sdata, link_id, false); 472 struct ieee80211_local *local = sdata->local; 473 struct sta_info *sta = NULL; 474 struct ieee80211_key *key; 475 int err; 476 477 if (!ieee80211_sdata_running(sdata)) 478 return -ENETDOWN; 479 480 if (IS_ERR(link)) 481 return PTR_ERR(link); 482 483 if (pairwise && params->mode == NL80211_KEY_SET_TX) 484 return ieee80211_set_tx(sdata, mac_addr, key_idx); 485 486 /* reject WEP and TKIP keys if WEP failed to initialize */ 487 switch (params->cipher) { 488 case WLAN_CIPHER_SUITE_WEP40: 489 case WLAN_CIPHER_SUITE_TKIP: 490 case WLAN_CIPHER_SUITE_WEP104: 491 if (link_id >= 0) 492 return -EINVAL; 493 if (WARN_ON_ONCE(fips_enabled)) 494 return -EINVAL; 495 break; 496 default: 497 break; 498 } 499 500 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 501 params->key, params->seq_len, params->seq); 502 if (IS_ERR(key)) 503 return PTR_ERR(key); 504 505 key->conf.link_id = link_id; 506 507 if (pairwise) 508 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 509 510 if (params->mode == NL80211_KEY_NO_TX) 511 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 512 513 mutex_lock(&local->sta_mtx); 514 515 if (mac_addr) { 516 sta = sta_info_get_bss(sdata, mac_addr); 517 /* 518 * The ASSOC test makes sure the driver is ready to 519 * receive the key. When wpa_supplicant has roamed 520 * using FT, it attempts to set the key before 521 * association has completed, this rejects that attempt 522 * so it will set the key again after association. 523 * 524 * TODO: accept the key if we have a station entry and 525 * add it to the device after the station. 526 */ 527 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 528 ieee80211_key_free_unused(key); 529 err = -ENOENT; 530 goto out_unlock; 531 } 532 } 533 534 switch (sdata->vif.type) { 535 case NL80211_IFTYPE_STATION: 536 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 537 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 538 break; 539 case NL80211_IFTYPE_AP: 540 case NL80211_IFTYPE_AP_VLAN: 541 /* Keys without a station are used for TX only */ 542 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 543 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 544 break; 545 case NL80211_IFTYPE_ADHOC: 546 /* no MFP (yet) */ 547 break; 548 case NL80211_IFTYPE_MESH_POINT: 549 #ifdef CONFIG_MAC80211_MESH 550 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 551 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 552 break; 553 #endif 554 case NL80211_IFTYPE_WDS: 555 case NL80211_IFTYPE_MONITOR: 556 case NL80211_IFTYPE_P2P_DEVICE: 557 case NL80211_IFTYPE_NAN: 558 case NL80211_IFTYPE_UNSPECIFIED: 559 case NUM_NL80211_IFTYPES: 560 case NL80211_IFTYPE_P2P_CLIENT: 561 case NL80211_IFTYPE_P2P_GO: 562 case NL80211_IFTYPE_OCB: 563 /* shouldn't happen */ 564 WARN_ON_ONCE(1); 565 break; 566 } 567 568 err = ieee80211_key_link(key, link, sta); 569 570 out_unlock: 571 mutex_unlock(&local->sta_mtx); 572 573 return err; 574 } 575 576 static struct ieee80211_key * 577 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id, 578 u8 key_idx, bool pairwise, const u8 *mac_addr) 579 { 580 struct ieee80211_local *local __maybe_unused = sdata->local; 581 struct ieee80211_link_data *link = &sdata->deflink; 582 struct ieee80211_key *key; 583 584 if (link_id >= 0) { 585 link = rcu_dereference_check(sdata->link[link_id], 586 lockdep_is_held(&sdata->wdev.mtx)); 587 if (!link) 588 return NULL; 589 } 590 591 if (mac_addr) { 592 struct sta_info *sta; 593 struct link_sta_info *link_sta; 594 595 sta = sta_info_get_bss(sdata, mac_addr); 596 if (!sta) 597 return NULL; 598 599 if (link_id >= 0) { 600 link_sta = rcu_dereference_check(sta->link[link_id], 601 lockdep_is_held(&local->sta_mtx)); 602 if (!link_sta) 603 return NULL; 604 } else { 605 link_sta = &sta->deflink; 606 } 607 608 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 609 return rcu_dereference_check_key_mtx(local, 610 sta->ptk[key_idx]); 611 612 if (!pairwise && 613 key_idx < NUM_DEFAULT_KEYS + 614 NUM_DEFAULT_MGMT_KEYS + 615 NUM_DEFAULT_BEACON_KEYS) 616 return rcu_dereference_check_key_mtx(local, 617 link_sta->gtk[key_idx]); 618 619 return NULL; 620 } 621 622 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 623 return rcu_dereference_check_key_mtx(local, 624 sdata->keys[key_idx]); 625 626 key = rcu_dereference_check_key_mtx(local, link->gtk[key_idx]); 627 if (key) 628 return key; 629 630 /* or maybe it was a WEP key */ 631 if (key_idx < NUM_DEFAULT_KEYS) 632 return rcu_dereference_check_key_mtx(local, sdata->keys[key_idx]); 633 634 return NULL; 635 } 636 637 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 638 int link_id, u8 key_idx, bool pairwise, 639 const u8 *mac_addr) 640 { 641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 642 struct ieee80211_local *local = sdata->local; 643 struct ieee80211_key *key; 644 int ret; 645 646 mutex_lock(&local->sta_mtx); 647 mutex_lock(&local->key_mtx); 648 649 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 650 if (!key) { 651 ret = -ENOENT; 652 goto out_unlock; 653 } 654 655 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 656 657 ret = 0; 658 out_unlock: 659 mutex_unlock(&local->key_mtx); 660 mutex_unlock(&local->sta_mtx); 661 662 return ret; 663 } 664 665 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 666 int link_id, u8 key_idx, bool pairwise, 667 const u8 *mac_addr, void *cookie, 668 void (*callback)(void *cookie, 669 struct key_params *params)) 670 { 671 struct ieee80211_sub_if_data *sdata; 672 u8 seq[6] = {0}; 673 struct key_params params; 674 struct ieee80211_key *key; 675 u64 pn64; 676 u32 iv32; 677 u16 iv16; 678 int err = -ENOENT; 679 struct ieee80211_key_seq kseq = {}; 680 681 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 682 683 rcu_read_lock(); 684 685 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 686 if (!key) 687 goto out; 688 689 memset(¶ms, 0, sizeof(params)); 690 691 params.cipher = key->conf.cipher; 692 693 switch (key->conf.cipher) { 694 case WLAN_CIPHER_SUITE_TKIP: 695 pn64 = atomic64_read(&key->conf.tx_pn); 696 iv32 = TKIP_PN_TO_IV32(pn64); 697 iv16 = TKIP_PN_TO_IV16(pn64); 698 699 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 700 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 701 drv_get_key_seq(sdata->local, key, &kseq); 702 iv32 = kseq.tkip.iv32; 703 iv16 = kseq.tkip.iv16; 704 } 705 706 seq[0] = iv16 & 0xff; 707 seq[1] = (iv16 >> 8) & 0xff; 708 seq[2] = iv32 & 0xff; 709 seq[3] = (iv32 >> 8) & 0xff; 710 seq[4] = (iv32 >> 16) & 0xff; 711 seq[5] = (iv32 >> 24) & 0xff; 712 params.seq = seq; 713 params.seq_len = 6; 714 break; 715 case WLAN_CIPHER_SUITE_CCMP: 716 case WLAN_CIPHER_SUITE_CCMP_256: 717 case WLAN_CIPHER_SUITE_AES_CMAC: 718 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 719 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 720 offsetof(typeof(kseq), aes_cmac)); 721 fallthrough; 722 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 723 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 724 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 725 offsetof(typeof(kseq), aes_gmac)); 726 fallthrough; 727 case WLAN_CIPHER_SUITE_GCMP: 728 case WLAN_CIPHER_SUITE_GCMP_256: 729 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 730 offsetof(typeof(kseq), gcmp)); 731 732 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 733 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 734 drv_get_key_seq(sdata->local, key, &kseq); 735 memcpy(seq, kseq.ccmp.pn, 6); 736 } else { 737 pn64 = atomic64_read(&key->conf.tx_pn); 738 seq[0] = pn64; 739 seq[1] = pn64 >> 8; 740 seq[2] = pn64 >> 16; 741 seq[3] = pn64 >> 24; 742 seq[4] = pn64 >> 32; 743 seq[5] = pn64 >> 40; 744 } 745 params.seq = seq; 746 params.seq_len = 6; 747 break; 748 default: 749 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 750 break; 751 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 752 break; 753 drv_get_key_seq(sdata->local, key, &kseq); 754 params.seq = kseq.hw.seq; 755 params.seq_len = kseq.hw.seq_len; 756 break; 757 } 758 759 params.key = key->conf.key; 760 params.key_len = key->conf.keylen; 761 762 callback(cookie, ¶ms); 763 err = 0; 764 765 out: 766 rcu_read_unlock(); 767 return err; 768 } 769 770 static int ieee80211_config_default_key(struct wiphy *wiphy, 771 struct net_device *dev, 772 int link_id, u8 key_idx, bool uni, 773 bool multi) 774 { 775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 776 struct ieee80211_link_data *link = 777 ieee80211_link_or_deflink(sdata, link_id, false); 778 779 if (IS_ERR(link)) 780 return PTR_ERR(link); 781 782 ieee80211_set_default_key(link, key_idx, uni, multi); 783 784 return 0; 785 } 786 787 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 788 struct net_device *dev, 789 int link_id, u8 key_idx) 790 { 791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 792 struct ieee80211_link_data *link = 793 ieee80211_link_or_deflink(sdata, link_id, true); 794 795 if (IS_ERR(link)) 796 return PTR_ERR(link); 797 798 ieee80211_set_default_mgmt_key(link, key_idx); 799 800 return 0; 801 } 802 803 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 804 struct net_device *dev, 805 int link_id, u8 key_idx) 806 { 807 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 808 struct ieee80211_link_data *link = 809 ieee80211_link_or_deflink(sdata, link_id, true); 810 811 if (IS_ERR(link)) 812 return PTR_ERR(link); 813 814 ieee80211_set_default_beacon_key(link, key_idx); 815 816 return 0; 817 } 818 819 void sta_set_rate_info_tx(struct sta_info *sta, 820 const struct ieee80211_tx_rate *rate, 821 struct rate_info *rinfo) 822 { 823 rinfo->flags = 0; 824 if (rate->flags & IEEE80211_TX_RC_MCS) { 825 rinfo->flags |= RATE_INFO_FLAGS_MCS; 826 rinfo->mcs = rate->idx; 827 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 828 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 829 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 830 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 831 } else { 832 struct ieee80211_supported_band *sband; 833 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 834 u16 brate; 835 836 sband = ieee80211_get_sband(sta->sdata); 837 WARN_ON_ONCE(sband && !sband->bitrates); 838 if (sband && sband->bitrates) { 839 brate = sband->bitrates[rate->idx].bitrate; 840 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 841 } 842 } 843 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 844 rinfo->bw = RATE_INFO_BW_40; 845 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 846 rinfo->bw = RATE_INFO_BW_80; 847 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 848 rinfo->bw = RATE_INFO_BW_160; 849 else 850 rinfo->bw = RATE_INFO_BW_20; 851 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 852 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 853 } 854 855 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 856 int idx, u8 *mac, struct station_info *sinfo) 857 { 858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 859 struct ieee80211_local *local = sdata->local; 860 struct sta_info *sta; 861 int ret = -ENOENT; 862 863 mutex_lock(&local->sta_mtx); 864 865 sta = sta_info_get_by_idx(sdata, idx); 866 if (sta) { 867 ret = 0; 868 memcpy(mac, sta->sta.addr, ETH_ALEN); 869 sta_set_sinfo(sta, sinfo, true); 870 } 871 872 mutex_unlock(&local->sta_mtx); 873 874 return ret; 875 } 876 877 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 878 int idx, struct survey_info *survey) 879 { 880 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 881 882 return drv_get_survey(local, idx, survey); 883 } 884 885 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 886 const u8 *mac, struct station_info *sinfo) 887 { 888 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 889 struct ieee80211_local *local = sdata->local; 890 struct sta_info *sta; 891 int ret = -ENOENT; 892 893 mutex_lock(&local->sta_mtx); 894 895 sta = sta_info_get_bss(sdata, mac); 896 if (sta) { 897 ret = 0; 898 sta_set_sinfo(sta, sinfo, true); 899 } 900 901 mutex_unlock(&local->sta_mtx); 902 903 return ret; 904 } 905 906 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 907 struct cfg80211_chan_def *chandef) 908 { 909 struct ieee80211_local *local = wiphy_priv(wiphy); 910 struct ieee80211_sub_if_data *sdata; 911 int ret = 0; 912 913 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 914 return 0; 915 916 mutex_lock(&local->mtx); 917 if (local->use_chanctx) { 918 sdata = wiphy_dereference(local->hw.wiphy, 919 local->monitor_sdata); 920 if (sdata) { 921 ieee80211_link_release_channel(&sdata->deflink); 922 ret = ieee80211_link_use_channel(&sdata->deflink, 923 chandef, 924 IEEE80211_CHANCTX_EXCLUSIVE); 925 } 926 } else if (local->open_count == local->monitors) { 927 local->_oper_chandef = *chandef; 928 ieee80211_hw_config(local, 0); 929 } 930 931 if (ret == 0) 932 local->monitor_chandef = *chandef; 933 mutex_unlock(&local->mtx); 934 935 return ret; 936 } 937 938 static int 939 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 940 const u8 *resp, size_t resp_len, 941 const struct ieee80211_csa_settings *csa, 942 const struct ieee80211_color_change_settings *cca, 943 struct ieee80211_link_data *link) 944 { 945 struct probe_resp *new, *old; 946 947 if (!resp || !resp_len) 948 return 1; 949 950 old = sdata_dereference(link->u.ap.probe_resp, sdata); 951 952 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 953 if (!new) 954 return -ENOMEM; 955 956 new->len = resp_len; 957 memcpy(new->data, resp, resp_len); 958 959 if (csa) 960 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 961 csa->n_counter_offsets_presp * 962 sizeof(new->cntdwn_counter_offsets[0])); 963 else if (cca) 964 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp; 965 966 rcu_assign_pointer(link->u.ap.probe_resp, new); 967 if (old) 968 kfree_rcu(old, rcu_head); 969 970 return 0; 971 } 972 973 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 974 struct cfg80211_fils_discovery *params, 975 struct ieee80211_link_data *link, 976 struct ieee80211_bss_conf *link_conf) 977 { 978 struct fils_discovery_data *new, *old = NULL; 979 struct ieee80211_fils_discovery *fd; 980 981 if (!params->tmpl || !params->tmpl_len) 982 return -EINVAL; 983 984 fd = &link_conf->fils_discovery; 985 fd->min_interval = params->min_interval; 986 fd->max_interval = params->max_interval; 987 988 old = sdata_dereference(link->u.ap.fils_discovery, sdata); 989 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 990 if (!new) 991 return -ENOMEM; 992 new->len = params->tmpl_len; 993 memcpy(new->data, params->tmpl, params->tmpl_len); 994 rcu_assign_pointer(link->u.ap.fils_discovery, new); 995 996 if (old) 997 kfree_rcu(old, rcu_head); 998 999 return 0; 1000 } 1001 1002 static int 1003 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 1004 struct cfg80211_unsol_bcast_probe_resp *params, 1005 struct ieee80211_link_data *link, 1006 struct ieee80211_bss_conf *link_conf) 1007 { 1008 struct unsol_bcast_probe_resp_data *new, *old = NULL; 1009 1010 if (!params->tmpl || !params->tmpl_len) 1011 return -EINVAL; 1012 1013 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); 1014 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1015 if (!new) 1016 return -ENOMEM; 1017 new->len = params->tmpl_len; 1018 memcpy(new->data, params->tmpl, params->tmpl_len); 1019 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new); 1020 1021 if (old) 1022 kfree_rcu(old, rcu_head); 1023 1024 link_conf->unsol_bcast_probe_resp_interval = params->interval; 1025 1026 return 0; 1027 } 1028 1029 static int ieee80211_set_ftm_responder_params( 1030 struct ieee80211_sub_if_data *sdata, 1031 const u8 *lci, size_t lci_len, 1032 const u8 *civicloc, size_t civicloc_len, 1033 struct ieee80211_bss_conf *link_conf) 1034 { 1035 struct ieee80211_ftm_responder_params *new, *old; 1036 u8 *pos; 1037 int len; 1038 1039 if (!lci_len && !civicloc_len) 1040 return 0; 1041 1042 old = link_conf->ftmr_params; 1043 len = lci_len + civicloc_len; 1044 1045 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 1046 if (!new) 1047 return -ENOMEM; 1048 1049 pos = (u8 *)(new + 1); 1050 if (lci_len) { 1051 new->lci_len = lci_len; 1052 new->lci = pos; 1053 memcpy(pos, lci, lci_len); 1054 pos += lci_len; 1055 } 1056 1057 if (civicloc_len) { 1058 new->civicloc_len = civicloc_len; 1059 new->civicloc = pos; 1060 memcpy(pos, civicloc, civicloc_len); 1061 pos += civicloc_len; 1062 } 1063 1064 link_conf->ftmr_params = new; 1065 kfree(old); 1066 1067 return 0; 1068 } 1069 1070 static int 1071 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst, 1072 struct cfg80211_mbssid_elems *src) 1073 { 1074 int i, offset = 0; 1075 1076 for (i = 0; i < src->cnt; i++) { 1077 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1078 dst->elem[i].len = src->elem[i].len; 1079 dst->elem[i].data = pos + offset; 1080 offset += dst->elem[i].len; 1081 } 1082 dst->cnt = src->cnt; 1083 1084 return offset; 1085 } 1086 1087 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 1088 struct ieee80211_link_data *link, 1089 struct cfg80211_beacon_data *params, 1090 const struct ieee80211_csa_settings *csa, 1091 const struct ieee80211_color_change_settings *cca) 1092 { 1093 struct cfg80211_mbssid_elems *mbssid = NULL; 1094 struct beacon_data *new, *old; 1095 int new_head_len, new_tail_len; 1096 int size, err; 1097 u32 changed = BSS_CHANGED_BEACON; 1098 struct ieee80211_bss_conf *link_conf = link->conf; 1099 1100 old = sdata_dereference(link->u.ap.beacon, sdata); 1101 1102 /* Need to have a beacon head if we don't have one yet */ 1103 if (!params->head && !old) 1104 return -EINVAL; 1105 1106 /* new or old head? */ 1107 if (params->head) 1108 new_head_len = params->head_len; 1109 else 1110 new_head_len = old->head_len; 1111 1112 /* new or old tail? */ 1113 if (params->tail || !old) 1114 /* params->tail_len will be zero for !params->tail */ 1115 new_tail_len = params->tail_len; 1116 else 1117 new_tail_len = old->tail_len; 1118 1119 size = sizeof(*new) + new_head_len + new_tail_len; 1120 1121 /* new or old multiple BSSID elements? */ 1122 if (params->mbssid_ies) { 1123 mbssid = params->mbssid_ies; 1124 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1125 size += ieee80211_get_mbssid_beacon_len(mbssid); 1126 } else if (old && old->mbssid_ies) { 1127 mbssid = old->mbssid_ies; 1128 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1129 size += ieee80211_get_mbssid_beacon_len(mbssid); 1130 } 1131 1132 new = kzalloc(size, GFP_KERNEL); 1133 if (!new) 1134 return -ENOMEM; 1135 1136 /* start filling the new info now */ 1137 1138 /* 1139 * pointers go into the block we allocated, 1140 * memory is | beacon_data | head | tail | mbssid_ies 1141 */ 1142 new->head = ((u8 *) new) + sizeof(*new); 1143 new->tail = new->head + new_head_len; 1144 new->head_len = new_head_len; 1145 new->tail_len = new_tail_len; 1146 /* copy in optional mbssid_ies */ 1147 if (mbssid) { 1148 u8 *pos = new->tail + new->tail_len; 1149 1150 new->mbssid_ies = (void *)pos; 1151 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1152 ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, mbssid); 1153 /* update bssid_indicator */ 1154 link_conf->bssid_indicator = 1155 ilog2(__roundup_pow_of_two(mbssid->cnt + 1)); 1156 } 1157 1158 if (csa) { 1159 new->cntdwn_current_counter = csa->count; 1160 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1161 csa->n_counter_offsets_beacon * 1162 sizeof(new->cntdwn_counter_offsets[0])); 1163 } else if (cca) { 1164 new->cntdwn_current_counter = cca->count; 1165 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon; 1166 } 1167 1168 /* copy in head */ 1169 if (params->head) 1170 memcpy(new->head, params->head, new_head_len); 1171 else 1172 memcpy(new->head, old->head, new_head_len); 1173 1174 /* copy in optional tail */ 1175 if (params->tail) 1176 memcpy(new->tail, params->tail, new_tail_len); 1177 else 1178 if (old) 1179 memcpy(new->tail, old->tail, new_tail_len); 1180 1181 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1182 params->probe_resp_len, csa, cca, link); 1183 if (err < 0) { 1184 kfree(new); 1185 return err; 1186 } 1187 if (err == 0) 1188 changed |= BSS_CHANGED_AP_PROBE_RESP; 1189 1190 if (params->ftm_responder != -1) { 1191 link_conf->ftm_responder = params->ftm_responder; 1192 err = ieee80211_set_ftm_responder_params(sdata, 1193 params->lci, 1194 params->lci_len, 1195 params->civicloc, 1196 params->civicloc_len, 1197 link_conf); 1198 1199 if (err < 0) { 1200 kfree(new); 1201 return err; 1202 } 1203 1204 changed |= BSS_CHANGED_FTM_RESPONDER; 1205 } 1206 1207 rcu_assign_pointer(link->u.ap.beacon, new); 1208 sdata->u.ap.active = true; 1209 1210 if (old) 1211 kfree_rcu(old, rcu_head); 1212 1213 return changed; 1214 } 1215 1216 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1217 struct cfg80211_ap_settings *params) 1218 { 1219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1220 struct ieee80211_local *local = sdata->local; 1221 struct beacon_data *old; 1222 struct ieee80211_sub_if_data *vlan; 1223 u32 changed = BSS_CHANGED_BEACON_INT | 1224 BSS_CHANGED_BEACON_ENABLED | 1225 BSS_CHANGED_BEACON | 1226 BSS_CHANGED_P2P_PS | 1227 BSS_CHANGED_TXPOWER | 1228 BSS_CHANGED_TWT; 1229 int i, err; 1230 int prev_beacon_int; 1231 unsigned int link_id = params->beacon.link_id; 1232 struct ieee80211_link_data *link; 1233 struct ieee80211_bss_conf *link_conf; 1234 1235 link = sdata_dereference(sdata->link[link_id], sdata); 1236 if (!link) 1237 return -ENOLINK; 1238 1239 link_conf = link->conf; 1240 1241 old = sdata_dereference(link->u.ap.beacon, sdata); 1242 if (old) 1243 return -EALREADY; 1244 1245 if (params->smps_mode != NL80211_SMPS_OFF) 1246 return -ENOTSUPP; 1247 1248 link->smps_mode = IEEE80211_SMPS_OFF; 1249 1250 link->needed_rx_chains = sdata->local->rx_chains; 1251 1252 prev_beacon_int = link_conf->beacon_int; 1253 link_conf->beacon_int = params->beacon_interval; 1254 1255 if (params->he_cap && params->he_oper) { 1256 link_conf->he_support = true; 1257 link_conf->htc_trig_based_pkt_ext = 1258 le32_get_bits(params->he_oper->he_oper_params, 1259 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1260 link_conf->frame_time_rts_th = 1261 le32_get_bits(params->he_oper->he_oper_params, 1262 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1263 changed |= BSS_CHANGED_HE_OBSS_PD; 1264 1265 if (params->beacon.he_bss_color.enabled) 1266 changed |= BSS_CHANGED_HE_BSS_COLOR; 1267 } 1268 1269 if (sdata->vif.type == NL80211_IFTYPE_AP && 1270 params->mbssid_config.tx_wdev) { 1271 err = ieee80211_set_ap_mbssid_options(sdata, 1272 params->mbssid_config, 1273 link_conf); 1274 if (err) 1275 return err; 1276 } 1277 1278 mutex_lock(&local->mtx); 1279 err = ieee80211_link_use_channel(link, ¶ms->chandef, 1280 IEEE80211_CHANCTX_SHARED); 1281 if (!err) 1282 ieee80211_link_copy_chanctx_to_vlans(link, false); 1283 mutex_unlock(&local->mtx); 1284 if (err) { 1285 link_conf->beacon_int = prev_beacon_int; 1286 return err; 1287 } 1288 1289 /* 1290 * Apply control port protocol, this allows us to 1291 * not encrypt dynamic WEP control frames. 1292 */ 1293 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1294 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1295 sdata->control_port_over_nl80211 = 1296 params->crypto.control_port_over_nl80211; 1297 sdata->control_port_no_preauth = 1298 params->crypto.control_port_no_preauth; 1299 1300 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1301 vlan->control_port_protocol = 1302 params->crypto.control_port_ethertype; 1303 vlan->control_port_no_encrypt = 1304 params->crypto.control_port_no_encrypt; 1305 vlan->control_port_over_nl80211 = 1306 params->crypto.control_port_over_nl80211; 1307 vlan->control_port_no_preauth = 1308 params->crypto.control_port_no_preauth; 1309 } 1310 1311 link_conf->dtim_period = params->dtim_period; 1312 link_conf->enable_beacon = true; 1313 link_conf->allow_p2p_go_ps = sdata->vif.p2p; 1314 link_conf->twt_responder = params->twt_responder; 1315 link_conf->he_obss_pd = params->he_obss_pd; 1316 link_conf->he_bss_color = params->beacon.he_bss_color; 1317 sdata->vif.cfg.s1g = params->chandef.chan->band == 1318 NL80211_BAND_S1GHZ; 1319 1320 sdata->vif.cfg.ssid_len = params->ssid_len; 1321 if (params->ssid_len) 1322 memcpy(sdata->vif.cfg.ssid, params->ssid, 1323 params->ssid_len); 1324 link_conf->hidden_ssid = 1325 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1326 1327 memset(&link_conf->p2p_noa_attr, 0, 1328 sizeof(link_conf->p2p_noa_attr)); 1329 link_conf->p2p_noa_attr.oppps_ctwindow = 1330 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1331 if (params->p2p_opp_ps) 1332 link_conf->p2p_noa_attr.oppps_ctwindow |= 1333 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1334 1335 sdata->beacon_rate_set = false; 1336 if (wiphy_ext_feature_isset(local->hw.wiphy, 1337 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1338 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1339 sdata->beacon_rateidx_mask[i] = 1340 params->beacon_rate.control[i].legacy; 1341 if (sdata->beacon_rateidx_mask[i]) 1342 sdata->beacon_rate_set = true; 1343 } 1344 } 1345 1346 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1347 link_conf->beacon_tx_rate = params->beacon_rate; 1348 1349 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL); 1350 if (err < 0) 1351 goto error; 1352 changed |= err; 1353 1354 if (params->fils_discovery.max_interval) { 1355 err = ieee80211_set_fils_discovery(sdata, 1356 ¶ms->fils_discovery, 1357 link, link_conf); 1358 if (err < 0) 1359 goto error; 1360 changed |= BSS_CHANGED_FILS_DISCOVERY; 1361 } 1362 1363 if (params->unsol_bcast_probe_resp.interval) { 1364 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1365 ¶ms->unsol_bcast_probe_resp, 1366 link, link_conf); 1367 if (err < 0) 1368 goto error; 1369 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1370 } 1371 1372 err = drv_start_ap(sdata->local, sdata, link_conf); 1373 if (err) { 1374 old = sdata_dereference(link->u.ap.beacon, sdata); 1375 1376 if (old) 1377 kfree_rcu(old, rcu_head); 1378 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1379 sdata->u.ap.active = false; 1380 goto error; 1381 } 1382 1383 ieee80211_recalc_dtim(local, sdata); 1384 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID); 1385 ieee80211_link_info_change_notify(sdata, link, changed); 1386 1387 netif_carrier_on(dev); 1388 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1389 netif_carrier_on(vlan->dev); 1390 1391 return 0; 1392 1393 error: 1394 mutex_lock(&local->mtx); 1395 ieee80211_link_release_channel(link); 1396 mutex_unlock(&local->mtx); 1397 1398 return err; 1399 } 1400 1401 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1402 struct cfg80211_beacon_data *params) 1403 { 1404 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1405 struct ieee80211_link_data *link; 1406 struct beacon_data *old; 1407 int err; 1408 struct ieee80211_bss_conf *link_conf; 1409 1410 sdata_assert_lock(sdata); 1411 1412 link = sdata_dereference(sdata->link[params->link_id], sdata); 1413 if (!link) 1414 return -ENOLINK; 1415 1416 link_conf = link->conf; 1417 1418 /* don't allow changing the beacon while a countdown is in place - offset 1419 * of channel switch counter may change 1420 */ 1421 if (link_conf->csa_active || link_conf->color_change_active) 1422 return -EBUSY; 1423 1424 old = sdata_dereference(link->u.ap.beacon, sdata); 1425 if (!old) 1426 return -ENOENT; 1427 1428 err = ieee80211_assign_beacon(sdata, link, params, NULL, NULL); 1429 if (err < 0) 1430 return err; 1431 1432 if (params->he_bss_color_valid && 1433 params->he_bss_color.enabled != link_conf->he_bss_color.enabled) { 1434 link_conf->he_bss_color.enabled = params->he_bss_color.enabled; 1435 err |= BSS_CHANGED_HE_BSS_COLOR; 1436 } 1437 1438 ieee80211_link_info_change_notify(sdata, link, err); 1439 return 0; 1440 } 1441 1442 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link) 1443 { 1444 if (!link->u.ap.next_beacon) 1445 return; 1446 1447 kfree(link->u.ap.next_beacon->mbssid_ies); 1448 kfree(link->u.ap.next_beacon); 1449 link->u.ap.next_beacon = NULL; 1450 } 1451 1452 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 1453 unsigned int link_id) 1454 { 1455 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1456 struct ieee80211_sub_if_data *vlan; 1457 struct ieee80211_local *local = sdata->local; 1458 struct beacon_data *old_beacon; 1459 struct probe_resp *old_probe_resp; 1460 struct fils_discovery_data *old_fils_discovery; 1461 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1462 struct cfg80211_chan_def chandef; 1463 struct ieee80211_link_data *link = 1464 sdata_dereference(sdata->link[link_id], sdata); 1465 struct ieee80211_bss_conf *link_conf = link->conf; 1466 1467 sdata_assert_lock(sdata); 1468 1469 old_beacon = sdata_dereference(link->u.ap.beacon, sdata); 1470 if (!old_beacon) 1471 return -ENOENT; 1472 old_probe_resp = sdata_dereference(link->u.ap.probe_resp, 1473 sdata); 1474 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery, 1475 sdata); 1476 old_unsol_bcast_probe_resp = 1477 sdata_dereference(link->u.ap.unsol_bcast_probe_resp, 1478 sdata); 1479 1480 /* abort any running channel switch */ 1481 mutex_lock(&local->mtx); 1482 link_conf->csa_active = false; 1483 if (link->csa_block_tx) { 1484 ieee80211_wake_vif_queues(local, sdata, 1485 IEEE80211_QUEUE_STOP_REASON_CSA); 1486 link->csa_block_tx = false; 1487 } 1488 1489 mutex_unlock(&local->mtx); 1490 1491 ieee80211_free_next_beacon(link); 1492 1493 /* turn off carrier for this interface and dependent VLANs */ 1494 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1495 netif_carrier_off(vlan->dev); 1496 netif_carrier_off(dev); 1497 1498 /* remove beacon and probe response */ 1499 sdata->u.ap.active = false; 1500 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1501 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL); 1502 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1503 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1504 kfree_rcu(old_beacon, rcu_head); 1505 if (old_probe_resp) 1506 kfree_rcu(old_probe_resp, rcu_head); 1507 if (old_fils_discovery) 1508 kfree_rcu(old_fils_discovery, rcu_head); 1509 if (old_unsol_bcast_probe_resp) 1510 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1511 1512 kfree(link_conf->ftmr_params); 1513 link_conf->ftmr_params = NULL; 1514 1515 sdata->vif.mbssid_tx_vif = NULL; 1516 link_conf->bssid_index = 0; 1517 link_conf->nontransmitted = false; 1518 link_conf->ema_ap = false; 1519 link_conf->bssid_indicator = 0; 1520 1521 __sta_info_flush(sdata, true); 1522 ieee80211_free_keys(sdata, true); 1523 1524 link_conf->enable_beacon = false; 1525 sdata->beacon_rate_set = false; 1526 sdata->vif.cfg.ssid_len = 0; 1527 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1528 ieee80211_link_info_change_notify(sdata, link, 1529 BSS_CHANGED_BEACON_ENABLED); 1530 1531 if (sdata->wdev.cac_started) { 1532 chandef = link_conf->chandef; 1533 cancel_delayed_work_sync(&link->dfs_cac_timer_work); 1534 cfg80211_cac_event(sdata->dev, &chandef, 1535 NL80211_RADAR_CAC_ABORTED, 1536 GFP_KERNEL); 1537 } 1538 1539 drv_stop_ap(sdata->local, sdata, link_conf); 1540 1541 /* free all potentially still buffered bcast frames */ 1542 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1543 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1544 1545 mutex_lock(&local->mtx); 1546 ieee80211_link_copy_chanctx_to_vlans(link, true); 1547 ieee80211_link_release_channel(link); 1548 mutex_unlock(&local->mtx); 1549 1550 return 0; 1551 } 1552 1553 static int sta_apply_auth_flags(struct ieee80211_local *local, 1554 struct sta_info *sta, 1555 u32 mask, u32 set) 1556 { 1557 int ret; 1558 1559 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1560 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1561 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1562 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1563 if (ret) 1564 return ret; 1565 } 1566 1567 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1568 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1569 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1570 /* 1571 * When peer becomes associated, init rate control as 1572 * well. Some drivers require rate control initialized 1573 * before drv_sta_state() is called. 1574 */ 1575 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1576 rate_control_rate_init(sta); 1577 1578 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1579 if (ret) 1580 return ret; 1581 } 1582 1583 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1584 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1585 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1586 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1587 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1588 else 1589 ret = 0; 1590 if (ret) 1591 return ret; 1592 } 1593 1594 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1595 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1596 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1597 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1598 if (ret) 1599 return ret; 1600 } 1601 1602 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1603 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1604 test_sta_flag(sta, WLAN_STA_AUTH)) { 1605 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1606 if (ret) 1607 return ret; 1608 } 1609 1610 return 0; 1611 } 1612 1613 static void sta_apply_mesh_params(struct ieee80211_local *local, 1614 struct sta_info *sta, 1615 struct station_parameters *params) 1616 { 1617 #ifdef CONFIG_MAC80211_MESH 1618 struct ieee80211_sub_if_data *sdata = sta->sdata; 1619 u32 changed = 0; 1620 1621 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1622 switch (params->plink_state) { 1623 case NL80211_PLINK_ESTAB: 1624 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1625 changed = mesh_plink_inc_estab_count(sdata); 1626 sta->mesh->plink_state = params->plink_state; 1627 sta->mesh->aid = params->peer_aid; 1628 1629 ieee80211_mps_sta_status_update(sta); 1630 changed |= ieee80211_mps_set_sta_local_pm(sta, 1631 sdata->u.mesh.mshcfg.power_mode); 1632 1633 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 1634 /* init at low value */ 1635 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 1636 1637 break; 1638 case NL80211_PLINK_LISTEN: 1639 case NL80211_PLINK_BLOCKED: 1640 case NL80211_PLINK_OPN_SNT: 1641 case NL80211_PLINK_OPN_RCVD: 1642 case NL80211_PLINK_CNF_RCVD: 1643 case NL80211_PLINK_HOLDING: 1644 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1645 changed = mesh_plink_dec_estab_count(sdata); 1646 sta->mesh->plink_state = params->plink_state; 1647 1648 ieee80211_mps_sta_status_update(sta); 1649 changed |= ieee80211_mps_set_sta_local_pm(sta, 1650 NL80211_MESH_POWER_UNKNOWN); 1651 break; 1652 default: 1653 /* nothing */ 1654 break; 1655 } 1656 } 1657 1658 switch (params->plink_action) { 1659 case NL80211_PLINK_ACTION_NO_ACTION: 1660 /* nothing */ 1661 break; 1662 case NL80211_PLINK_ACTION_OPEN: 1663 changed |= mesh_plink_open(sta); 1664 break; 1665 case NL80211_PLINK_ACTION_BLOCK: 1666 changed |= mesh_plink_block(sta); 1667 break; 1668 } 1669 1670 if (params->local_pm) 1671 changed |= ieee80211_mps_set_sta_local_pm(sta, 1672 params->local_pm); 1673 1674 ieee80211_mbss_info_change_notify(sdata, changed); 1675 #endif 1676 } 1677 1678 static int sta_link_apply_parameters(struct ieee80211_local *local, 1679 struct sta_info *sta, bool new_link, 1680 struct link_station_parameters *params) 1681 { 1682 int ret = 0; 1683 struct ieee80211_supported_band *sband; 1684 struct ieee80211_sub_if_data *sdata = sta->sdata; 1685 u32 link_id = params->link_id < 0 ? 0 : params->link_id; 1686 struct ieee80211_link_data *link = 1687 sdata_dereference(sdata->link[link_id], sdata); 1688 struct link_sta_info *link_sta = 1689 rcu_dereference_protected(sta->link[link_id], 1690 lockdep_is_held(&local->sta_mtx)); 1691 1692 /* 1693 * If there are no changes, then accept a link that doesn't exist, 1694 * unless it's a new link. 1695 */ 1696 if (params->link_id < 0 && !new_link && 1697 !params->link_mac && !params->txpwr_set && 1698 !params->supported_rates_len && 1699 !params->ht_capa && !params->vht_capa && 1700 !params->he_capa && !params->eht_capa && 1701 !params->opmode_notif_used) 1702 return 0; 1703 1704 if (!link || !link_sta) 1705 return -EINVAL; 1706 1707 sband = ieee80211_get_link_sband(link); 1708 if (!sband) 1709 return -EINVAL; 1710 1711 if (params->link_mac) { 1712 if (new_link) { 1713 memcpy(link_sta->addr, params->link_mac, ETH_ALEN); 1714 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN); 1715 } else if (!ether_addr_equal(link_sta->addr, 1716 params->link_mac)) { 1717 return -EINVAL; 1718 } 1719 } else if (new_link) { 1720 return -EINVAL; 1721 } 1722 1723 if (params->txpwr_set) { 1724 link_sta->pub->txpwr.type = params->txpwr.type; 1725 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 1726 link_sta->pub->txpwr.power = params->txpwr.power; 1727 ret = drv_sta_set_txpwr(local, sdata, sta); 1728 if (ret) 1729 return ret; 1730 } 1731 1732 if (params->supported_rates && 1733 params->supported_rates_len) { 1734 ieee80211_parse_bitrates(link->conf->chandef.width, 1735 sband, params->supported_rates, 1736 params->supported_rates_len, 1737 &link_sta->pub->supp_rates[sband->band]); 1738 } 1739 1740 if (params->ht_capa) 1741 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1742 params->ht_capa, link_sta); 1743 1744 /* VHT can override some HT caps such as the A-MSDU max length */ 1745 if (params->vht_capa) 1746 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1747 params->vht_capa, link_sta); 1748 1749 if (params->he_capa) 1750 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 1751 (void *)params->he_capa, 1752 params->he_capa_len, 1753 (void *)params->he_6ghz_capa, 1754 link_sta); 1755 1756 if (params->eht_capa) 1757 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, 1758 (u8 *)params->he_capa, 1759 params->he_capa_len, 1760 params->eht_capa, 1761 params->eht_capa_len, 1762 link_sta); 1763 1764 if (params->opmode_notif_used) { 1765 /* returned value is only needed for rc update, but the 1766 * rc isn't initialized here yet, so ignore it 1767 */ 1768 __ieee80211_vht_handle_opmode(sdata, link_sta, 1769 params->opmode_notif, 1770 sband->band); 1771 } 1772 1773 return ret; 1774 } 1775 1776 static int sta_apply_parameters(struct ieee80211_local *local, 1777 struct sta_info *sta, 1778 struct station_parameters *params) 1779 { 1780 struct ieee80211_sub_if_data *sdata = sta->sdata; 1781 u32 mask, set; 1782 int ret = 0; 1783 1784 mask = params->sta_flags_mask; 1785 set = params->sta_flags_set; 1786 1787 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1788 /* 1789 * In mesh mode, ASSOCIATED isn't part of the nl80211 1790 * API but must follow AUTHENTICATED for driver state. 1791 */ 1792 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1793 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1794 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1795 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1796 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1797 /* 1798 * TDLS -- everything follows authorized, but 1799 * only becoming authorized is possible, not 1800 * going back 1801 */ 1802 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1803 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1804 BIT(NL80211_STA_FLAG_ASSOCIATED); 1805 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1806 BIT(NL80211_STA_FLAG_ASSOCIATED); 1807 } 1808 } 1809 1810 if (mask & BIT(NL80211_STA_FLAG_WME) && 1811 local->hw.queues >= IEEE80211_NUM_ACS) 1812 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1813 1814 /* auth flags will be set later for TDLS, 1815 * and for unassociated stations that move to associated */ 1816 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1817 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1818 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1819 ret = sta_apply_auth_flags(local, sta, mask, set); 1820 if (ret) 1821 return ret; 1822 } 1823 1824 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1825 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1826 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1827 else 1828 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1829 } 1830 1831 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1832 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1833 if (set & BIT(NL80211_STA_FLAG_MFP)) 1834 set_sta_flag(sta, WLAN_STA_MFP); 1835 else 1836 clear_sta_flag(sta, WLAN_STA_MFP); 1837 } 1838 1839 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1840 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1841 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1842 else 1843 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1844 } 1845 1846 /* mark TDLS channel switch support, if the AP allows it */ 1847 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1848 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited && 1849 params->ext_capab_len >= 4 && 1850 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1851 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1852 1853 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1854 !sdata->u.mgd.tdls_wider_bw_prohibited && 1855 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1856 params->ext_capab_len >= 8 && 1857 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1858 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1859 1860 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1861 sta->sta.uapsd_queues = params->uapsd_queues; 1862 sta->sta.max_sp = params->max_sp; 1863 } 1864 1865 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab, 1866 params->ext_capab_len); 1867 1868 /* 1869 * cfg80211 validates this (1-2007) and allows setting the AID 1870 * only when creating a new station entry 1871 */ 1872 if (params->aid) 1873 sta->sta.aid = params->aid; 1874 1875 /* 1876 * Some of the following updates would be racy if called on an 1877 * existing station, via ieee80211_change_station(). However, 1878 * all such changes are rejected by cfg80211 except for updates 1879 * changing the supported rates on an existing but not yet used 1880 * TDLS peer. 1881 */ 1882 1883 if (params->listen_interval >= 0) 1884 sta->listen_interval = params->listen_interval; 1885 1886 ret = sta_link_apply_parameters(local, sta, false, 1887 ¶ms->link_sta_params); 1888 if (ret) 1889 return ret; 1890 1891 if (params->support_p2p_ps >= 0) 1892 sta->sta.support_p2p_ps = params->support_p2p_ps; 1893 1894 if (ieee80211_vif_is_mesh(&sdata->vif)) 1895 sta_apply_mesh_params(local, sta, params); 1896 1897 if (params->airtime_weight) 1898 sta->airtime_weight = params->airtime_weight; 1899 1900 /* set the STA state after all sta info from usermode has been set */ 1901 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1902 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1903 ret = sta_apply_auth_flags(local, sta, mask, set); 1904 if (ret) 1905 return ret; 1906 } 1907 1908 /* Mark the STA as MLO if MLD MAC address is available */ 1909 if (params->link_sta_params.mld_mac) 1910 sta->sta.mlo = true; 1911 1912 return 0; 1913 } 1914 1915 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1916 const u8 *mac, 1917 struct station_parameters *params) 1918 { 1919 struct ieee80211_local *local = wiphy_priv(wiphy); 1920 struct sta_info *sta; 1921 struct ieee80211_sub_if_data *sdata; 1922 int err; 1923 1924 if (params->vlan) { 1925 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1926 1927 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1928 sdata->vif.type != NL80211_IFTYPE_AP) 1929 return -EINVAL; 1930 } else 1931 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1932 1933 if (ether_addr_equal(mac, sdata->vif.addr)) 1934 return -EINVAL; 1935 1936 if (!is_valid_ether_addr(mac)) 1937 return -EINVAL; 1938 1939 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 1940 sdata->vif.type == NL80211_IFTYPE_STATION && 1941 !sdata->u.mgd.associated) 1942 return -EINVAL; 1943 1944 /* 1945 * If we have a link ID, it can be a non-MLO station on an AP MLD, 1946 * but we need to have a link_mac in that case as well, so use the 1947 * STA's MAC address in that case. 1948 */ 1949 if (params->link_sta_params.link_id >= 0) 1950 sta = sta_info_alloc_with_link(sdata, mac, 1951 params->link_sta_params.link_id, 1952 params->link_sta_params.link_mac ?: mac, 1953 GFP_KERNEL); 1954 else 1955 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1956 1957 if (!sta) 1958 return -ENOMEM; 1959 1960 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1961 sta->sta.tdls = true; 1962 1963 /* Though the mutex is not needed here (since the station is not 1964 * visible yet), sta_apply_parameters (and inner functions) require 1965 * the mutex due to other paths. 1966 */ 1967 mutex_lock(&local->sta_mtx); 1968 err = sta_apply_parameters(local, sta, params); 1969 mutex_unlock(&local->sta_mtx); 1970 if (err) { 1971 sta_info_free(local, sta); 1972 return err; 1973 } 1974 1975 /* 1976 * for TDLS and for unassociated station, rate control should be 1977 * initialized only when rates are known and station is marked 1978 * authorized/associated 1979 */ 1980 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1981 test_sta_flag(sta, WLAN_STA_ASSOC)) 1982 rate_control_rate_init(sta); 1983 1984 return sta_info_insert(sta); 1985 } 1986 1987 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1988 struct station_del_parameters *params) 1989 { 1990 struct ieee80211_sub_if_data *sdata; 1991 1992 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1993 1994 if (params->mac) 1995 return sta_info_destroy_addr_bss(sdata, params->mac); 1996 1997 sta_info_flush(sdata); 1998 return 0; 1999 } 2000 2001 static int ieee80211_change_station(struct wiphy *wiphy, 2002 struct net_device *dev, const u8 *mac, 2003 struct station_parameters *params) 2004 { 2005 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2006 struct ieee80211_local *local = wiphy_priv(wiphy); 2007 struct sta_info *sta; 2008 struct ieee80211_sub_if_data *vlansdata; 2009 enum cfg80211_station_type statype; 2010 int err; 2011 2012 mutex_lock(&local->sta_mtx); 2013 2014 sta = sta_info_get_bss(sdata, mac); 2015 if (!sta) { 2016 err = -ENOENT; 2017 goto out_err; 2018 } 2019 2020 switch (sdata->vif.type) { 2021 case NL80211_IFTYPE_MESH_POINT: 2022 if (sdata->u.mesh.user_mpm) 2023 statype = CFG80211_STA_MESH_PEER_USER; 2024 else 2025 statype = CFG80211_STA_MESH_PEER_KERNEL; 2026 break; 2027 case NL80211_IFTYPE_ADHOC: 2028 statype = CFG80211_STA_IBSS; 2029 break; 2030 case NL80211_IFTYPE_STATION: 2031 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2032 statype = CFG80211_STA_AP_STA; 2033 break; 2034 } 2035 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2036 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2037 else 2038 statype = CFG80211_STA_TDLS_PEER_SETUP; 2039 break; 2040 case NL80211_IFTYPE_AP: 2041 case NL80211_IFTYPE_AP_VLAN: 2042 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2043 statype = CFG80211_STA_AP_CLIENT; 2044 else 2045 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2046 break; 2047 default: 2048 err = -EOPNOTSUPP; 2049 goto out_err; 2050 } 2051 2052 err = cfg80211_check_station_change(wiphy, params, statype); 2053 if (err) 2054 goto out_err; 2055 2056 if (params->vlan && params->vlan != sta->sdata->dev) { 2057 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2058 2059 if (params->vlan->ieee80211_ptr->use_4addr) { 2060 if (vlansdata->u.vlan.sta) { 2061 err = -EBUSY; 2062 goto out_err; 2063 } 2064 2065 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 2066 __ieee80211_check_fast_rx_iface(vlansdata); 2067 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2068 } 2069 2070 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2071 sta->sdata->u.vlan.sta) { 2072 ieee80211_clear_fast_rx(sta); 2073 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2074 } 2075 2076 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2077 ieee80211_vif_dec_num_mcast(sta->sdata); 2078 2079 sta->sdata = vlansdata; 2080 ieee80211_check_fast_xmit(sta); 2081 2082 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2083 ieee80211_vif_inc_num_mcast(sta->sdata); 2084 cfg80211_send_layer2_update(sta->sdata->dev, 2085 sta->sta.addr); 2086 } 2087 } 2088 2089 /* we use sta_info_get_bss() so this might be different */ 2090 if (sdata != sta->sdata) { 2091 mutex_lock_nested(&sta->sdata->wdev.mtx, 1); 2092 err = sta_apply_parameters(local, sta, params); 2093 mutex_unlock(&sta->sdata->wdev.mtx); 2094 } else { 2095 err = sta_apply_parameters(local, sta, params); 2096 } 2097 if (err) 2098 goto out_err; 2099 2100 mutex_unlock(&local->sta_mtx); 2101 2102 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2103 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2104 ieee80211_recalc_ps(local); 2105 ieee80211_recalc_ps_vif(sdata); 2106 } 2107 2108 return 0; 2109 out_err: 2110 mutex_unlock(&local->sta_mtx); 2111 return err; 2112 } 2113 2114 #ifdef CONFIG_MAC80211_MESH 2115 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2116 const u8 *dst, const u8 *next_hop) 2117 { 2118 struct ieee80211_sub_if_data *sdata; 2119 struct mesh_path *mpath; 2120 struct sta_info *sta; 2121 2122 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2123 2124 rcu_read_lock(); 2125 sta = sta_info_get(sdata, next_hop); 2126 if (!sta) { 2127 rcu_read_unlock(); 2128 return -ENOENT; 2129 } 2130 2131 mpath = mesh_path_add(sdata, dst); 2132 if (IS_ERR(mpath)) { 2133 rcu_read_unlock(); 2134 return PTR_ERR(mpath); 2135 } 2136 2137 mesh_path_fix_nexthop(mpath, sta); 2138 2139 rcu_read_unlock(); 2140 return 0; 2141 } 2142 2143 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2144 const u8 *dst) 2145 { 2146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2147 2148 if (dst) 2149 return mesh_path_del(sdata, dst); 2150 2151 mesh_path_flush_by_iface(sdata); 2152 return 0; 2153 } 2154 2155 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2156 const u8 *dst, const u8 *next_hop) 2157 { 2158 struct ieee80211_sub_if_data *sdata; 2159 struct mesh_path *mpath; 2160 struct sta_info *sta; 2161 2162 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2163 2164 rcu_read_lock(); 2165 2166 sta = sta_info_get(sdata, next_hop); 2167 if (!sta) { 2168 rcu_read_unlock(); 2169 return -ENOENT; 2170 } 2171 2172 mpath = mesh_path_lookup(sdata, dst); 2173 if (!mpath) { 2174 rcu_read_unlock(); 2175 return -ENOENT; 2176 } 2177 2178 mesh_path_fix_nexthop(mpath, sta); 2179 2180 rcu_read_unlock(); 2181 return 0; 2182 } 2183 2184 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2185 struct mpath_info *pinfo) 2186 { 2187 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2188 2189 if (next_hop_sta) 2190 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2191 else 2192 eth_zero_addr(next_hop); 2193 2194 memset(pinfo, 0, sizeof(*pinfo)); 2195 2196 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2197 2198 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2199 MPATH_INFO_SN | 2200 MPATH_INFO_METRIC | 2201 MPATH_INFO_EXPTIME | 2202 MPATH_INFO_DISCOVERY_TIMEOUT | 2203 MPATH_INFO_DISCOVERY_RETRIES | 2204 MPATH_INFO_FLAGS | 2205 MPATH_INFO_HOP_COUNT | 2206 MPATH_INFO_PATH_CHANGE; 2207 2208 pinfo->frame_qlen = mpath->frame_queue.qlen; 2209 pinfo->sn = mpath->sn; 2210 pinfo->metric = mpath->metric; 2211 if (time_before(jiffies, mpath->exp_time)) 2212 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2213 pinfo->discovery_timeout = 2214 jiffies_to_msecs(mpath->discovery_timeout); 2215 pinfo->discovery_retries = mpath->discovery_retries; 2216 if (mpath->flags & MESH_PATH_ACTIVE) 2217 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2218 if (mpath->flags & MESH_PATH_RESOLVING) 2219 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 2220 if (mpath->flags & MESH_PATH_SN_VALID) 2221 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 2222 if (mpath->flags & MESH_PATH_FIXED) 2223 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 2224 if (mpath->flags & MESH_PATH_RESOLVED) 2225 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 2226 pinfo->hop_count = mpath->hop_count; 2227 pinfo->path_change_count = mpath->path_change_count; 2228 } 2229 2230 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 2231 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 2232 2233 { 2234 struct ieee80211_sub_if_data *sdata; 2235 struct mesh_path *mpath; 2236 2237 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2238 2239 rcu_read_lock(); 2240 mpath = mesh_path_lookup(sdata, dst); 2241 if (!mpath) { 2242 rcu_read_unlock(); 2243 return -ENOENT; 2244 } 2245 memcpy(dst, mpath->dst, ETH_ALEN); 2246 mpath_set_pinfo(mpath, next_hop, pinfo); 2247 rcu_read_unlock(); 2248 return 0; 2249 } 2250 2251 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 2252 int idx, u8 *dst, u8 *next_hop, 2253 struct mpath_info *pinfo) 2254 { 2255 struct ieee80211_sub_if_data *sdata; 2256 struct mesh_path *mpath; 2257 2258 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2259 2260 rcu_read_lock(); 2261 mpath = mesh_path_lookup_by_idx(sdata, idx); 2262 if (!mpath) { 2263 rcu_read_unlock(); 2264 return -ENOENT; 2265 } 2266 memcpy(dst, mpath->dst, ETH_ALEN); 2267 mpath_set_pinfo(mpath, next_hop, pinfo); 2268 rcu_read_unlock(); 2269 return 0; 2270 } 2271 2272 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 2273 struct mpath_info *pinfo) 2274 { 2275 memset(pinfo, 0, sizeof(*pinfo)); 2276 memcpy(mpp, mpath->mpp, ETH_ALEN); 2277 2278 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 2279 } 2280 2281 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 2282 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 2283 2284 { 2285 struct ieee80211_sub_if_data *sdata; 2286 struct mesh_path *mpath; 2287 2288 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2289 2290 rcu_read_lock(); 2291 mpath = mpp_path_lookup(sdata, dst); 2292 if (!mpath) { 2293 rcu_read_unlock(); 2294 return -ENOENT; 2295 } 2296 memcpy(dst, mpath->dst, ETH_ALEN); 2297 mpp_set_pinfo(mpath, mpp, pinfo); 2298 rcu_read_unlock(); 2299 return 0; 2300 } 2301 2302 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2303 int idx, u8 *dst, u8 *mpp, 2304 struct mpath_info *pinfo) 2305 { 2306 struct ieee80211_sub_if_data *sdata; 2307 struct mesh_path *mpath; 2308 2309 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2310 2311 rcu_read_lock(); 2312 mpath = mpp_path_lookup_by_idx(sdata, idx); 2313 if (!mpath) { 2314 rcu_read_unlock(); 2315 return -ENOENT; 2316 } 2317 memcpy(dst, mpath->dst, ETH_ALEN); 2318 mpp_set_pinfo(mpath, mpp, pinfo); 2319 rcu_read_unlock(); 2320 return 0; 2321 } 2322 2323 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2324 struct net_device *dev, 2325 struct mesh_config *conf) 2326 { 2327 struct ieee80211_sub_if_data *sdata; 2328 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2329 2330 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2331 return 0; 2332 } 2333 2334 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2335 { 2336 return (mask >> (parm-1)) & 0x1; 2337 } 2338 2339 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2340 const struct mesh_setup *setup) 2341 { 2342 u8 *new_ie; 2343 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2344 struct ieee80211_sub_if_data, u.mesh); 2345 int i; 2346 2347 /* allocate information elements */ 2348 new_ie = NULL; 2349 2350 if (setup->ie_len) { 2351 new_ie = kmemdup(setup->ie, setup->ie_len, 2352 GFP_KERNEL); 2353 if (!new_ie) 2354 return -ENOMEM; 2355 } 2356 ifmsh->ie_len = setup->ie_len; 2357 ifmsh->ie = new_ie; 2358 2359 /* now copy the rest of the setup parameters */ 2360 ifmsh->mesh_id_len = setup->mesh_id_len; 2361 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2362 ifmsh->mesh_sp_id = setup->sync_method; 2363 ifmsh->mesh_pp_id = setup->path_sel_proto; 2364 ifmsh->mesh_pm_id = setup->path_metric; 2365 ifmsh->user_mpm = setup->user_mpm; 2366 ifmsh->mesh_auth_id = setup->auth_id; 2367 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2368 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2369 if (setup->is_authenticated) 2370 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2371 if (setup->is_secure) 2372 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2373 2374 /* mcast rate setting in Mesh Node */ 2375 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2376 sizeof(setup->mcast_rate)); 2377 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2378 2379 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2380 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2381 2382 sdata->beacon_rate_set = false; 2383 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2384 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2385 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2386 sdata->beacon_rateidx_mask[i] = 2387 setup->beacon_rate.control[i].legacy; 2388 if (sdata->beacon_rateidx_mask[i]) 2389 sdata->beacon_rate_set = true; 2390 } 2391 } 2392 2393 return 0; 2394 } 2395 2396 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2397 struct net_device *dev, u32 mask, 2398 const struct mesh_config *nconf) 2399 { 2400 struct mesh_config *conf; 2401 struct ieee80211_sub_if_data *sdata; 2402 struct ieee80211_if_mesh *ifmsh; 2403 2404 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2405 ifmsh = &sdata->u.mesh; 2406 2407 /* Set the config options which we are interested in setting */ 2408 conf = &(sdata->u.mesh.mshcfg); 2409 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2410 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2411 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2412 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2413 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2414 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2415 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2416 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2417 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2418 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2419 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2420 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2421 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2422 conf->element_ttl = nconf->element_ttl; 2423 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2424 if (ifmsh->user_mpm) 2425 return -EBUSY; 2426 conf->auto_open_plinks = nconf->auto_open_plinks; 2427 } 2428 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2429 conf->dot11MeshNbrOffsetMaxNeighbor = 2430 nconf->dot11MeshNbrOffsetMaxNeighbor; 2431 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2432 conf->dot11MeshHWMPmaxPREQretries = 2433 nconf->dot11MeshHWMPmaxPREQretries; 2434 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2435 conf->path_refresh_time = nconf->path_refresh_time; 2436 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2437 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2438 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2439 conf->dot11MeshHWMPactivePathTimeout = 2440 nconf->dot11MeshHWMPactivePathTimeout; 2441 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2442 conf->dot11MeshHWMPpreqMinInterval = 2443 nconf->dot11MeshHWMPpreqMinInterval; 2444 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2445 conf->dot11MeshHWMPperrMinInterval = 2446 nconf->dot11MeshHWMPperrMinInterval; 2447 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2448 mask)) 2449 conf->dot11MeshHWMPnetDiameterTraversalTime = 2450 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2451 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2452 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2453 ieee80211_mesh_root_setup(ifmsh); 2454 } 2455 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2456 /* our current gate announcement implementation rides on root 2457 * announcements, so require this ifmsh to also be a root node 2458 * */ 2459 if (nconf->dot11MeshGateAnnouncementProtocol && 2460 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2461 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2462 ieee80211_mesh_root_setup(ifmsh); 2463 } 2464 conf->dot11MeshGateAnnouncementProtocol = 2465 nconf->dot11MeshGateAnnouncementProtocol; 2466 } 2467 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2468 conf->dot11MeshHWMPRannInterval = 2469 nconf->dot11MeshHWMPRannInterval; 2470 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2471 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2472 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2473 /* our RSSI threshold implementation is supported only for 2474 * devices that report signal in dBm. 2475 */ 2476 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2477 return -ENOTSUPP; 2478 conf->rssi_threshold = nconf->rssi_threshold; 2479 } 2480 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2481 conf->ht_opmode = nconf->ht_opmode; 2482 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2483 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2484 BSS_CHANGED_HT); 2485 } 2486 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2487 conf->dot11MeshHWMPactivePathToRootTimeout = 2488 nconf->dot11MeshHWMPactivePathToRootTimeout; 2489 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2490 conf->dot11MeshHWMProotInterval = 2491 nconf->dot11MeshHWMProotInterval; 2492 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2493 conf->dot11MeshHWMPconfirmationInterval = 2494 nconf->dot11MeshHWMPconfirmationInterval; 2495 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2496 conf->power_mode = nconf->power_mode; 2497 ieee80211_mps_local_status_update(sdata); 2498 } 2499 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2500 conf->dot11MeshAwakeWindowDuration = 2501 nconf->dot11MeshAwakeWindowDuration; 2502 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2503 conf->plink_timeout = nconf->plink_timeout; 2504 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2505 conf->dot11MeshConnectedToMeshGate = 2506 nconf->dot11MeshConnectedToMeshGate; 2507 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2508 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2509 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2510 conf->dot11MeshConnectedToAuthServer = 2511 nconf->dot11MeshConnectedToAuthServer; 2512 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2513 return 0; 2514 } 2515 2516 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2517 const struct mesh_config *conf, 2518 const struct mesh_setup *setup) 2519 { 2520 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2521 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2522 int err; 2523 2524 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2525 err = copy_mesh_setup(ifmsh, setup); 2526 if (err) 2527 return err; 2528 2529 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2530 2531 /* can mesh use other SMPS modes? */ 2532 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 2533 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 2534 2535 mutex_lock(&sdata->local->mtx); 2536 err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef, 2537 IEEE80211_CHANCTX_SHARED); 2538 mutex_unlock(&sdata->local->mtx); 2539 if (err) 2540 return err; 2541 2542 return ieee80211_start_mesh(sdata); 2543 } 2544 2545 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2546 { 2547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2548 2549 ieee80211_stop_mesh(sdata); 2550 mutex_lock(&sdata->local->mtx); 2551 ieee80211_link_release_channel(&sdata->deflink); 2552 kfree(sdata->u.mesh.ie); 2553 mutex_unlock(&sdata->local->mtx); 2554 2555 return 0; 2556 } 2557 #endif 2558 2559 static int ieee80211_change_bss(struct wiphy *wiphy, 2560 struct net_device *dev, 2561 struct bss_parameters *params) 2562 { 2563 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2564 struct ieee80211_link_data *link; 2565 struct ieee80211_supported_band *sband; 2566 u32 changed = 0; 2567 2568 link = ieee80211_link_or_deflink(sdata, params->link_id, true); 2569 if (IS_ERR(link)) 2570 return PTR_ERR(link); 2571 2572 if (!sdata_dereference(link->u.ap.beacon, sdata)) 2573 return -ENOENT; 2574 2575 sband = ieee80211_get_link_sband(link); 2576 if (!sband) 2577 return -EINVAL; 2578 2579 if (params->use_cts_prot >= 0) { 2580 link->conf->use_cts_prot = params->use_cts_prot; 2581 changed |= BSS_CHANGED_ERP_CTS_PROT; 2582 } 2583 if (params->use_short_preamble >= 0) { 2584 link->conf->use_short_preamble = params->use_short_preamble; 2585 changed |= BSS_CHANGED_ERP_PREAMBLE; 2586 } 2587 2588 if (!link->conf->use_short_slot && 2589 (sband->band == NL80211_BAND_5GHZ || 2590 sband->band == NL80211_BAND_6GHZ)) { 2591 link->conf->use_short_slot = true; 2592 changed |= BSS_CHANGED_ERP_SLOT; 2593 } 2594 2595 if (params->use_short_slot_time >= 0) { 2596 link->conf->use_short_slot = params->use_short_slot_time; 2597 changed |= BSS_CHANGED_ERP_SLOT; 2598 } 2599 2600 if (params->basic_rates) { 2601 ieee80211_parse_bitrates(link->conf->chandef.width, 2602 wiphy->bands[sband->band], 2603 params->basic_rates, 2604 params->basic_rates_len, 2605 &link->conf->basic_rates); 2606 changed |= BSS_CHANGED_BASIC_RATES; 2607 ieee80211_check_rate_mask(link); 2608 } 2609 2610 if (params->ap_isolate >= 0) { 2611 if (params->ap_isolate) 2612 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2613 else 2614 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2615 ieee80211_check_fast_rx_iface(sdata); 2616 } 2617 2618 if (params->ht_opmode >= 0) { 2619 link->conf->ht_operation_mode = (u16)params->ht_opmode; 2620 changed |= BSS_CHANGED_HT; 2621 } 2622 2623 if (params->p2p_ctwindow >= 0) { 2624 link->conf->p2p_noa_attr.oppps_ctwindow &= 2625 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2626 link->conf->p2p_noa_attr.oppps_ctwindow |= 2627 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2628 changed |= BSS_CHANGED_P2P_PS; 2629 } 2630 2631 if (params->p2p_opp_ps > 0) { 2632 link->conf->p2p_noa_attr.oppps_ctwindow |= 2633 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2634 changed |= BSS_CHANGED_P2P_PS; 2635 } else if (params->p2p_opp_ps == 0) { 2636 link->conf->p2p_noa_attr.oppps_ctwindow &= 2637 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2638 changed |= BSS_CHANGED_P2P_PS; 2639 } 2640 2641 ieee80211_link_info_change_notify(sdata, link, changed); 2642 2643 return 0; 2644 } 2645 2646 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2647 struct net_device *dev, 2648 struct ieee80211_txq_params *params) 2649 { 2650 struct ieee80211_local *local = wiphy_priv(wiphy); 2651 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2652 struct ieee80211_link_data *link = 2653 ieee80211_link_or_deflink(sdata, params->link_id, true); 2654 struct ieee80211_tx_queue_params p; 2655 2656 if (!local->ops->conf_tx) 2657 return -EOPNOTSUPP; 2658 2659 if (local->hw.queues < IEEE80211_NUM_ACS) 2660 return -EOPNOTSUPP; 2661 2662 if (IS_ERR(link)) 2663 return PTR_ERR(link); 2664 2665 memset(&p, 0, sizeof(p)); 2666 p.aifs = params->aifs; 2667 p.cw_max = params->cwmax; 2668 p.cw_min = params->cwmin; 2669 p.txop = params->txop; 2670 2671 /* 2672 * Setting tx queue params disables u-apsd because it's only 2673 * called in master mode. 2674 */ 2675 p.uapsd = false; 2676 2677 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 2678 2679 link->tx_conf[params->ac] = p; 2680 if (drv_conf_tx(local, link, params->ac, &p)) { 2681 wiphy_debug(local->hw.wiphy, 2682 "failed to set TX queue parameters for AC %d\n", 2683 params->ac); 2684 return -EINVAL; 2685 } 2686 2687 ieee80211_link_info_change_notify(sdata, link, 2688 BSS_CHANGED_QOS); 2689 2690 return 0; 2691 } 2692 2693 #ifdef CONFIG_PM 2694 static int ieee80211_suspend(struct wiphy *wiphy, 2695 struct cfg80211_wowlan *wowlan) 2696 { 2697 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2698 } 2699 2700 static int ieee80211_resume(struct wiphy *wiphy) 2701 { 2702 return __ieee80211_resume(wiphy_priv(wiphy)); 2703 } 2704 #else 2705 #define ieee80211_suspend NULL 2706 #define ieee80211_resume NULL 2707 #endif 2708 2709 static int ieee80211_scan(struct wiphy *wiphy, 2710 struct cfg80211_scan_request *req) 2711 { 2712 struct ieee80211_sub_if_data *sdata; 2713 2714 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2715 2716 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2717 case NL80211_IFTYPE_STATION: 2718 case NL80211_IFTYPE_ADHOC: 2719 case NL80211_IFTYPE_MESH_POINT: 2720 case NL80211_IFTYPE_P2P_CLIENT: 2721 case NL80211_IFTYPE_P2P_DEVICE: 2722 break; 2723 case NL80211_IFTYPE_P2P_GO: 2724 if (sdata->local->ops->hw_scan) 2725 break; 2726 /* 2727 * FIXME: implement NoA while scanning in software, 2728 * for now fall through to allow scanning only when 2729 * beaconing hasn't been configured yet 2730 */ 2731 fallthrough; 2732 case NL80211_IFTYPE_AP: 2733 /* 2734 * If the scan has been forced (and the driver supports 2735 * forcing), don't care about being beaconing already. 2736 * This will create problems to the attached stations (e.g. all 2737 * the frames sent while scanning on other channel will be 2738 * lost) 2739 */ 2740 if (sdata->deflink.u.ap.beacon && 2741 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2742 !(req->flags & NL80211_SCAN_FLAG_AP))) 2743 return -EOPNOTSUPP; 2744 break; 2745 case NL80211_IFTYPE_NAN: 2746 default: 2747 return -EOPNOTSUPP; 2748 } 2749 2750 return ieee80211_request_scan(sdata, req); 2751 } 2752 2753 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2754 { 2755 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2756 } 2757 2758 static int 2759 ieee80211_sched_scan_start(struct wiphy *wiphy, 2760 struct net_device *dev, 2761 struct cfg80211_sched_scan_request *req) 2762 { 2763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2764 2765 if (!sdata->local->ops->sched_scan_start) 2766 return -EOPNOTSUPP; 2767 2768 return ieee80211_request_sched_scan_start(sdata, req); 2769 } 2770 2771 static int 2772 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2773 u64 reqid) 2774 { 2775 struct ieee80211_local *local = wiphy_priv(wiphy); 2776 2777 if (!local->ops->sched_scan_stop) 2778 return -EOPNOTSUPP; 2779 2780 return ieee80211_request_sched_scan_stop(local); 2781 } 2782 2783 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2784 struct cfg80211_auth_request *req) 2785 { 2786 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2787 } 2788 2789 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2790 struct cfg80211_assoc_request *req) 2791 { 2792 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2793 } 2794 2795 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2796 struct cfg80211_deauth_request *req) 2797 { 2798 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2799 } 2800 2801 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2802 struct cfg80211_disassoc_request *req) 2803 { 2804 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2805 } 2806 2807 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2808 struct cfg80211_ibss_params *params) 2809 { 2810 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2811 } 2812 2813 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2814 { 2815 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2816 } 2817 2818 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2819 struct ocb_setup *setup) 2820 { 2821 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2822 } 2823 2824 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2825 { 2826 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2827 } 2828 2829 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2830 int rate[NUM_NL80211_BANDS]) 2831 { 2832 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2833 2834 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2835 sizeof(int) * NUM_NL80211_BANDS); 2836 2837 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2838 BSS_CHANGED_MCAST_RATE); 2839 2840 return 0; 2841 } 2842 2843 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2844 { 2845 struct ieee80211_local *local = wiphy_priv(wiphy); 2846 int err; 2847 2848 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2849 ieee80211_check_fast_xmit_all(local); 2850 2851 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2852 2853 if (err) { 2854 ieee80211_check_fast_xmit_all(local); 2855 return err; 2856 } 2857 } 2858 2859 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2860 (changed & WIPHY_PARAM_DYN_ACK)) { 2861 s16 coverage_class; 2862 2863 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2864 wiphy->coverage_class : -1; 2865 err = drv_set_coverage_class(local, coverage_class); 2866 2867 if (err) 2868 return err; 2869 } 2870 2871 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2872 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2873 2874 if (err) 2875 return err; 2876 } 2877 2878 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2879 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2880 return -EINVAL; 2881 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2882 } 2883 if (changed & WIPHY_PARAM_RETRY_LONG) { 2884 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2885 return -EINVAL; 2886 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2887 } 2888 if (changed & 2889 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2890 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2891 2892 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 2893 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 2894 WIPHY_PARAM_TXQ_QUANTUM)) 2895 ieee80211_txq_set_params(local); 2896 2897 return 0; 2898 } 2899 2900 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2901 struct wireless_dev *wdev, 2902 enum nl80211_tx_power_setting type, int mbm) 2903 { 2904 struct ieee80211_local *local = wiphy_priv(wiphy); 2905 struct ieee80211_sub_if_data *sdata; 2906 enum nl80211_tx_power_setting txp_type = type; 2907 bool update_txp_type = false; 2908 bool has_monitor = false; 2909 2910 if (wdev) { 2911 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2912 2913 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2914 sdata = wiphy_dereference(local->hw.wiphy, 2915 local->monitor_sdata); 2916 if (!sdata) 2917 return -EOPNOTSUPP; 2918 } 2919 2920 switch (type) { 2921 case NL80211_TX_POWER_AUTOMATIC: 2922 sdata->deflink.user_power_level = 2923 IEEE80211_UNSET_POWER_LEVEL; 2924 txp_type = NL80211_TX_POWER_LIMITED; 2925 break; 2926 case NL80211_TX_POWER_LIMITED: 2927 case NL80211_TX_POWER_FIXED: 2928 if (mbm < 0 || (mbm % 100)) 2929 return -EOPNOTSUPP; 2930 sdata->deflink.user_power_level = MBM_TO_DBM(mbm); 2931 break; 2932 } 2933 2934 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2935 update_txp_type = true; 2936 sdata->vif.bss_conf.txpower_type = txp_type; 2937 } 2938 2939 ieee80211_recalc_txpower(sdata, update_txp_type); 2940 2941 return 0; 2942 } 2943 2944 switch (type) { 2945 case NL80211_TX_POWER_AUTOMATIC: 2946 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2947 txp_type = NL80211_TX_POWER_LIMITED; 2948 break; 2949 case NL80211_TX_POWER_LIMITED: 2950 case NL80211_TX_POWER_FIXED: 2951 if (mbm < 0 || (mbm % 100)) 2952 return -EOPNOTSUPP; 2953 local->user_power_level = MBM_TO_DBM(mbm); 2954 break; 2955 } 2956 2957 mutex_lock(&local->iflist_mtx); 2958 list_for_each_entry(sdata, &local->interfaces, list) { 2959 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2960 has_monitor = true; 2961 continue; 2962 } 2963 sdata->deflink.user_power_level = local->user_power_level; 2964 if (txp_type != sdata->vif.bss_conf.txpower_type) 2965 update_txp_type = true; 2966 sdata->vif.bss_conf.txpower_type = txp_type; 2967 } 2968 list_for_each_entry(sdata, &local->interfaces, list) { 2969 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) 2970 continue; 2971 ieee80211_recalc_txpower(sdata, update_txp_type); 2972 } 2973 mutex_unlock(&local->iflist_mtx); 2974 2975 if (has_monitor) { 2976 sdata = wiphy_dereference(local->hw.wiphy, 2977 local->monitor_sdata); 2978 if (sdata) { 2979 sdata->deflink.user_power_level = local->user_power_level; 2980 if (txp_type != sdata->vif.bss_conf.txpower_type) 2981 update_txp_type = true; 2982 sdata->vif.bss_conf.txpower_type = txp_type; 2983 2984 ieee80211_recalc_txpower(sdata, update_txp_type); 2985 } 2986 } 2987 2988 return 0; 2989 } 2990 2991 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2992 struct wireless_dev *wdev, 2993 int *dbm) 2994 { 2995 struct ieee80211_local *local = wiphy_priv(wiphy); 2996 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2997 2998 if (local->ops->get_txpower) 2999 return drv_get_txpower(local, sdata, dbm); 3000 3001 if (!local->use_chanctx) 3002 *dbm = local->hw.conf.power_level; 3003 else 3004 *dbm = sdata->vif.bss_conf.txpower; 3005 3006 return 0; 3007 } 3008 3009 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 3010 { 3011 struct ieee80211_local *local = wiphy_priv(wiphy); 3012 3013 drv_rfkill_poll(local); 3014 } 3015 3016 #ifdef CONFIG_NL80211_TESTMODE 3017 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3018 struct wireless_dev *wdev, 3019 void *data, int len) 3020 { 3021 struct ieee80211_local *local = wiphy_priv(wiphy); 3022 struct ieee80211_vif *vif = NULL; 3023 3024 if (!local->ops->testmode_cmd) 3025 return -EOPNOTSUPP; 3026 3027 if (wdev) { 3028 struct ieee80211_sub_if_data *sdata; 3029 3030 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3031 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3032 vif = &sdata->vif; 3033 } 3034 3035 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3036 } 3037 3038 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3039 struct sk_buff *skb, 3040 struct netlink_callback *cb, 3041 void *data, int len) 3042 { 3043 struct ieee80211_local *local = wiphy_priv(wiphy); 3044 3045 if (!local->ops->testmode_dump) 3046 return -EOPNOTSUPP; 3047 3048 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3049 } 3050 #endif 3051 3052 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3053 struct ieee80211_link_data *link, 3054 enum ieee80211_smps_mode smps_mode) 3055 { 3056 const u8 *ap; 3057 enum ieee80211_smps_mode old_req; 3058 int err; 3059 struct sta_info *sta; 3060 bool tdls_peer_found = false; 3061 3062 lockdep_assert_held(&sdata->wdev.mtx); 3063 3064 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3065 return -EINVAL; 3066 3067 old_req = link->u.mgd.req_smps; 3068 link->u.mgd.req_smps = smps_mode; 3069 3070 if (old_req == smps_mode && 3071 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3072 return 0; 3073 3074 /* 3075 * If not associated, or current association is not an HT 3076 * association, there's no need to do anything, just store 3077 * the new value until we associate. 3078 */ 3079 if (!sdata->u.mgd.associated || 3080 link->conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 3081 return 0; 3082 3083 ap = link->u.mgd.bssid; 3084 3085 rcu_read_lock(); 3086 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3087 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3088 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3089 continue; 3090 3091 tdls_peer_found = true; 3092 break; 3093 } 3094 rcu_read_unlock(); 3095 3096 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3097 if (tdls_peer_found || !sdata->u.mgd.powersave) 3098 smps_mode = IEEE80211_SMPS_OFF; 3099 else 3100 smps_mode = IEEE80211_SMPS_DYNAMIC; 3101 } 3102 3103 /* send SM PS frame to AP */ 3104 err = ieee80211_send_smps_action(sdata, smps_mode, 3105 ap, ap); 3106 if (err) 3107 link->u.mgd.req_smps = old_req; 3108 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3109 ieee80211_teardown_tdls_peers(sdata); 3110 3111 return err; 3112 } 3113 3114 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3115 bool enabled, int timeout) 3116 { 3117 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3118 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3119 unsigned int link_id; 3120 3121 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3122 return -EOPNOTSUPP; 3123 3124 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3125 return -EOPNOTSUPP; 3126 3127 if (enabled == sdata->u.mgd.powersave && 3128 timeout == local->dynamic_ps_forced_timeout) 3129 return 0; 3130 3131 sdata->u.mgd.powersave = enabled; 3132 local->dynamic_ps_forced_timeout = timeout; 3133 3134 /* no change, but if automatic follow powersave */ 3135 sdata_lock(sdata); 3136 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 3137 struct ieee80211_link_data *link; 3138 3139 link = sdata_dereference(sdata->link[link_id], sdata); 3140 3141 if (!link) 3142 continue; 3143 __ieee80211_request_smps_mgd(sdata, link, 3144 link->u.mgd.req_smps); 3145 } 3146 sdata_unlock(sdata); 3147 3148 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 3149 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 3150 3151 ieee80211_recalc_ps(local); 3152 ieee80211_recalc_ps_vif(sdata); 3153 ieee80211_check_fast_rx_iface(sdata); 3154 3155 return 0; 3156 } 3157 3158 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 3159 struct net_device *dev, 3160 s32 rssi_thold, u32 rssi_hyst) 3161 { 3162 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3163 struct ieee80211_vif *vif = &sdata->vif; 3164 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 3165 3166 if (rssi_thold == bss_conf->cqm_rssi_thold && 3167 rssi_hyst == bss_conf->cqm_rssi_hyst) 3168 return 0; 3169 3170 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 3171 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3172 return -EOPNOTSUPP; 3173 3174 bss_conf->cqm_rssi_thold = rssi_thold; 3175 bss_conf->cqm_rssi_hyst = rssi_hyst; 3176 bss_conf->cqm_rssi_low = 0; 3177 bss_conf->cqm_rssi_high = 0; 3178 sdata->deflink.u.mgd.last_cqm_event_signal = 0; 3179 3180 /* tell the driver upon association, unless already associated */ 3181 if (sdata->u.mgd.associated && 3182 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 3183 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3184 BSS_CHANGED_CQM); 3185 3186 return 0; 3187 } 3188 3189 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 3190 struct net_device *dev, 3191 s32 rssi_low, s32 rssi_high) 3192 { 3193 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3194 struct ieee80211_vif *vif = &sdata->vif; 3195 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 3196 3197 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) 3198 return -EOPNOTSUPP; 3199 3200 bss_conf->cqm_rssi_low = rssi_low; 3201 bss_conf->cqm_rssi_high = rssi_high; 3202 bss_conf->cqm_rssi_thold = 0; 3203 bss_conf->cqm_rssi_hyst = 0; 3204 sdata->deflink.u.mgd.last_cqm_event_signal = 0; 3205 3206 /* tell the driver upon association, unless already associated */ 3207 if (sdata->u.mgd.associated && 3208 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 3209 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3210 BSS_CHANGED_CQM); 3211 3212 return 0; 3213 } 3214 3215 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 3216 struct net_device *dev, 3217 unsigned int link_id, 3218 const u8 *addr, 3219 const struct cfg80211_bitrate_mask *mask) 3220 { 3221 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3222 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3223 int i, ret; 3224 3225 if (!ieee80211_sdata_running(sdata)) 3226 return -ENETDOWN; 3227 3228 /* 3229 * If active validate the setting and reject it if it doesn't leave 3230 * at least one basic rate usable, since we really have to be able 3231 * to send something, and if we're an AP we have to be able to do 3232 * so at a basic rate so that all clients can receive it. 3233 */ 3234 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 3235 sdata->vif.bss_conf.chandef.chan) { 3236 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 3237 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; 3238 3239 if (!(mask->control[band].legacy & basic_rates)) 3240 return -EINVAL; 3241 } 3242 3243 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 3244 ret = drv_set_bitrate_mask(local, sdata, mask); 3245 if (ret) 3246 return ret; 3247 } 3248 3249 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3250 struct ieee80211_supported_band *sband = wiphy->bands[i]; 3251 int j; 3252 3253 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 3254 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 3255 sizeof(mask->control[i].ht_mcs)); 3256 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 3257 mask->control[i].vht_mcs, 3258 sizeof(mask->control[i].vht_mcs)); 3259 3260 sdata->rc_has_mcs_mask[i] = false; 3261 sdata->rc_has_vht_mcs_mask[i] = false; 3262 if (!sband) 3263 continue; 3264 3265 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 3266 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 3267 sdata->rc_has_mcs_mask[i] = true; 3268 break; 3269 } 3270 } 3271 3272 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 3273 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 3274 sdata->rc_has_vht_mcs_mask[i] = true; 3275 break; 3276 } 3277 } 3278 } 3279 3280 return 0; 3281 } 3282 3283 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 3284 struct net_device *dev, 3285 struct cfg80211_chan_def *chandef, 3286 u32 cac_time_ms) 3287 { 3288 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3289 struct ieee80211_local *local = sdata->local; 3290 int err; 3291 3292 mutex_lock(&local->mtx); 3293 if (!list_empty(&local->roc_list) || local->scanning) { 3294 err = -EBUSY; 3295 goto out_unlock; 3296 } 3297 3298 /* whatever, but channel contexts should not complain about that one */ 3299 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 3300 sdata->deflink.needed_rx_chains = local->rx_chains; 3301 3302 err = ieee80211_link_use_channel(&sdata->deflink, chandef, 3303 IEEE80211_CHANCTX_SHARED); 3304 if (err) 3305 goto out_unlock; 3306 3307 ieee80211_queue_delayed_work(&sdata->local->hw, 3308 &sdata->deflink.dfs_cac_timer_work, 3309 msecs_to_jiffies(cac_time_ms)); 3310 3311 out_unlock: 3312 mutex_unlock(&local->mtx); 3313 return err; 3314 } 3315 3316 static void ieee80211_end_cac(struct wiphy *wiphy, 3317 struct net_device *dev) 3318 { 3319 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3320 struct ieee80211_local *local = sdata->local; 3321 3322 mutex_lock(&local->mtx); 3323 list_for_each_entry(sdata, &local->interfaces, list) { 3324 /* it might be waiting for the local->mtx, but then 3325 * by the time it gets it, sdata->wdev.cac_started 3326 * will no longer be true 3327 */ 3328 cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work); 3329 3330 if (sdata->wdev.cac_started) { 3331 ieee80211_link_release_channel(&sdata->deflink); 3332 sdata->wdev.cac_started = false; 3333 } 3334 } 3335 mutex_unlock(&local->mtx); 3336 } 3337 3338 static struct cfg80211_beacon_data * 3339 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3340 { 3341 struct cfg80211_beacon_data *new_beacon; 3342 u8 *pos; 3343 int len; 3344 3345 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3346 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3347 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len + 3348 ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies); 3349 3350 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3351 if (!new_beacon) 3352 return NULL; 3353 3354 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3355 new_beacon->mbssid_ies = 3356 kzalloc(struct_size(new_beacon->mbssid_ies, 3357 elem, beacon->mbssid_ies->cnt), 3358 GFP_KERNEL); 3359 if (!new_beacon->mbssid_ies) { 3360 kfree(new_beacon); 3361 return NULL; 3362 } 3363 } 3364 3365 pos = (u8 *)(new_beacon + 1); 3366 if (beacon->head_len) { 3367 new_beacon->head_len = beacon->head_len; 3368 new_beacon->head = pos; 3369 memcpy(pos, beacon->head, beacon->head_len); 3370 pos += beacon->head_len; 3371 } 3372 if (beacon->tail_len) { 3373 new_beacon->tail_len = beacon->tail_len; 3374 new_beacon->tail = pos; 3375 memcpy(pos, beacon->tail, beacon->tail_len); 3376 pos += beacon->tail_len; 3377 } 3378 if (beacon->beacon_ies_len) { 3379 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3380 new_beacon->beacon_ies = pos; 3381 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3382 pos += beacon->beacon_ies_len; 3383 } 3384 if (beacon->proberesp_ies_len) { 3385 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3386 new_beacon->proberesp_ies = pos; 3387 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3388 pos += beacon->proberesp_ies_len; 3389 } 3390 if (beacon->assocresp_ies_len) { 3391 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3392 new_beacon->assocresp_ies = pos; 3393 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3394 pos += beacon->assocresp_ies_len; 3395 } 3396 if (beacon->probe_resp_len) { 3397 new_beacon->probe_resp_len = beacon->probe_resp_len; 3398 new_beacon->probe_resp = pos; 3399 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3400 pos += beacon->probe_resp_len; 3401 } 3402 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) 3403 pos += ieee80211_copy_mbssid_beacon(pos, 3404 new_beacon->mbssid_ies, 3405 beacon->mbssid_ies); 3406 3407 /* might copy -1, meaning no changes requested */ 3408 new_beacon->ftm_responder = beacon->ftm_responder; 3409 if (beacon->lci) { 3410 new_beacon->lci_len = beacon->lci_len; 3411 new_beacon->lci = pos; 3412 memcpy(pos, beacon->lci, beacon->lci_len); 3413 pos += beacon->lci_len; 3414 } 3415 if (beacon->civicloc) { 3416 new_beacon->civicloc_len = beacon->civicloc_len; 3417 new_beacon->civicloc = pos; 3418 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3419 pos += beacon->civicloc_len; 3420 } 3421 3422 return new_beacon; 3423 } 3424 3425 void ieee80211_csa_finish(struct ieee80211_vif *vif) 3426 { 3427 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3428 struct ieee80211_local *local = sdata->local; 3429 3430 rcu_read_lock(); 3431 3432 if (vif->mbssid_tx_vif == vif) { 3433 /* Trigger ieee80211_csa_finish() on the non-transmitting 3434 * interfaces when channel switch is received on 3435 * transmitting interface 3436 */ 3437 struct ieee80211_sub_if_data *iter; 3438 3439 list_for_each_entry_rcu(iter, &local->interfaces, list) { 3440 if (!ieee80211_sdata_running(iter)) 3441 continue; 3442 3443 if (iter == sdata || iter->vif.mbssid_tx_vif != vif) 3444 continue; 3445 3446 ieee80211_queue_work(&iter->local->hw, 3447 &iter->deflink.csa_finalize_work); 3448 } 3449 } 3450 ieee80211_queue_work(&local->hw, &sdata->deflink.csa_finalize_work); 3451 3452 rcu_read_unlock(); 3453 } 3454 EXPORT_SYMBOL(ieee80211_csa_finish); 3455 3456 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx) 3457 { 3458 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3459 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3460 struct ieee80211_local *local = sdata->local; 3461 3462 sdata->deflink.csa_block_tx = block_tx; 3463 sdata_info(sdata, "channel switch failed, disconnecting\n"); 3464 ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work); 3465 } 3466 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 3467 3468 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 3469 u32 *changed) 3470 { 3471 int err; 3472 3473 switch (sdata->vif.type) { 3474 case NL80211_IFTYPE_AP: 3475 if (!sdata->deflink.u.ap.next_beacon) 3476 return -EINVAL; 3477 3478 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 3479 sdata->deflink.u.ap.next_beacon, 3480 NULL, NULL); 3481 ieee80211_free_next_beacon(&sdata->deflink); 3482 3483 if (err < 0) 3484 return err; 3485 *changed |= err; 3486 break; 3487 case NL80211_IFTYPE_ADHOC: 3488 err = ieee80211_ibss_finish_csa(sdata); 3489 if (err < 0) 3490 return err; 3491 *changed |= err; 3492 break; 3493 #ifdef CONFIG_MAC80211_MESH 3494 case NL80211_IFTYPE_MESH_POINT: 3495 err = ieee80211_mesh_finish_csa(sdata); 3496 if (err < 0) 3497 return err; 3498 *changed |= err; 3499 break; 3500 #endif 3501 default: 3502 WARN_ON(1); 3503 return -EINVAL; 3504 } 3505 3506 return 0; 3507 } 3508 3509 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3510 { 3511 struct ieee80211_local *local = sdata->local; 3512 u32 changed = 0; 3513 int err; 3514 3515 sdata_assert_lock(sdata); 3516 lockdep_assert_held(&local->mtx); 3517 lockdep_assert_held(&local->chanctx_mtx); 3518 3519 /* 3520 * using reservation isn't immediate as it may be deferred until later 3521 * with multi-vif. once reservation is complete it will re-schedule the 3522 * work with no reserved_chanctx so verify chandef to check if it 3523 * completed successfully 3524 */ 3525 3526 if (sdata->deflink.reserved_chanctx) { 3527 /* 3528 * with multi-vif csa driver may call ieee80211_csa_finish() 3529 * many times while waiting for other interfaces to use their 3530 * reservations 3531 */ 3532 if (sdata->deflink.reserved_ready) 3533 return 0; 3534 3535 return ieee80211_link_use_reserved_context(&sdata->deflink); 3536 } 3537 3538 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 3539 &sdata->deflink.csa_chandef)) 3540 return -EINVAL; 3541 3542 sdata->vif.bss_conf.csa_active = false; 3543 3544 err = ieee80211_set_after_csa_beacon(sdata, &changed); 3545 if (err) 3546 return err; 3547 3548 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed); 3549 3550 if (sdata->deflink.csa_block_tx) { 3551 ieee80211_wake_vif_queues(local, sdata, 3552 IEEE80211_QUEUE_STOP_REASON_CSA); 3553 sdata->deflink.csa_block_tx = false; 3554 } 3555 3556 err = drv_post_channel_switch(sdata); 3557 if (err) 3558 return err; 3559 3560 cfg80211_ch_switch_notify(sdata->dev, &sdata->deflink.csa_chandef, 0); 3561 3562 return 0; 3563 } 3564 3565 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3566 { 3567 if (__ieee80211_csa_finalize(sdata)) { 3568 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 3569 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 3570 GFP_KERNEL); 3571 } 3572 } 3573 3574 void ieee80211_csa_finalize_work(struct work_struct *work) 3575 { 3576 struct ieee80211_sub_if_data *sdata = 3577 container_of(work, struct ieee80211_sub_if_data, 3578 deflink.csa_finalize_work); 3579 struct ieee80211_local *local = sdata->local; 3580 3581 sdata_lock(sdata); 3582 mutex_lock(&local->mtx); 3583 mutex_lock(&local->chanctx_mtx); 3584 3585 /* AP might have been stopped while waiting for the lock. */ 3586 if (!sdata->vif.bss_conf.csa_active) 3587 goto unlock; 3588 3589 if (!ieee80211_sdata_running(sdata)) 3590 goto unlock; 3591 3592 ieee80211_csa_finalize(sdata); 3593 3594 unlock: 3595 mutex_unlock(&local->chanctx_mtx); 3596 mutex_unlock(&local->mtx); 3597 sdata_unlock(sdata); 3598 } 3599 3600 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 3601 struct cfg80211_csa_settings *params, 3602 u32 *changed) 3603 { 3604 struct ieee80211_csa_settings csa = {}; 3605 int err; 3606 3607 switch (sdata->vif.type) { 3608 case NL80211_IFTYPE_AP: 3609 sdata->deflink.u.ap.next_beacon = 3610 cfg80211_beacon_dup(¶ms->beacon_after); 3611 if (!sdata->deflink.u.ap.next_beacon) 3612 return -ENOMEM; 3613 3614 /* 3615 * With a count of 0, we don't have to wait for any 3616 * TBTT before switching, so complete the CSA 3617 * immediately. In theory, with a count == 1 we 3618 * should delay the switch until just before the next 3619 * TBTT, but that would complicate things so we switch 3620 * immediately too. If we would delay the switch 3621 * until the next TBTT, we would have to set the probe 3622 * response here. 3623 * 3624 * TODO: A channel switch with count <= 1 without 3625 * sending a CSA action frame is kind of useless, 3626 * because the clients won't know we're changing 3627 * channels. The action frame must be implemented 3628 * either here or in the userspace. 3629 */ 3630 if (params->count <= 1) 3631 break; 3632 3633 if ((params->n_counter_offsets_beacon > 3634 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 3635 (params->n_counter_offsets_presp > 3636 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 3637 ieee80211_free_next_beacon(&sdata->deflink); 3638 return -EINVAL; 3639 } 3640 3641 csa.counter_offsets_beacon = params->counter_offsets_beacon; 3642 csa.counter_offsets_presp = params->counter_offsets_presp; 3643 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 3644 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 3645 csa.count = params->count; 3646 3647 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 3648 ¶ms->beacon_csa, &csa, 3649 NULL); 3650 if (err < 0) { 3651 ieee80211_free_next_beacon(&sdata->deflink); 3652 return err; 3653 } 3654 *changed |= err; 3655 3656 break; 3657 case NL80211_IFTYPE_ADHOC: 3658 if (!sdata->vif.cfg.ibss_joined) 3659 return -EINVAL; 3660 3661 if (params->chandef.width != sdata->u.ibss.chandef.width) 3662 return -EINVAL; 3663 3664 switch (params->chandef.width) { 3665 case NL80211_CHAN_WIDTH_40: 3666 if (cfg80211_get_chandef_type(¶ms->chandef) != 3667 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3668 return -EINVAL; 3669 break; 3670 case NL80211_CHAN_WIDTH_5: 3671 case NL80211_CHAN_WIDTH_10: 3672 case NL80211_CHAN_WIDTH_20_NOHT: 3673 case NL80211_CHAN_WIDTH_20: 3674 break; 3675 default: 3676 return -EINVAL; 3677 } 3678 3679 /* changes into another band are not supported */ 3680 if (sdata->u.ibss.chandef.chan->band != 3681 params->chandef.chan->band) 3682 return -EINVAL; 3683 3684 /* see comments in the NL80211_IFTYPE_AP block */ 3685 if (params->count > 1) { 3686 err = ieee80211_ibss_csa_beacon(sdata, params); 3687 if (err < 0) 3688 return err; 3689 *changed |= err; 3690 } 3691 3692 ieee80211_send_action_csa(sdata, params); 3693 3694 break; 3695 #ifdef CONFIG_MAC80211_MESH 3696 case NL80211_IFTYPE_MESH_POINT: { 3697 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3698 3699 /* changes into another band are not supported */ 3700 if (sdata->vif.bss_conf.chandef.chan->band != 3701 params->chandef.chan->band) 3702 return -EINVAL; 3703 3704 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3705 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3706 if (!ifmsh->pre_value) 3707 ifmsh->pre_value = 1; 3708 else 3709 ifmsh->pre_value++; 3710 } 3711 3712 /* see comments in the NL80211_IFTYPE_AP block */ 3713 if (params->count > 1) { 3714 err = ieee80211_mesh_csa_beacon(sdata, params); 3715 if (err < 0) { 3716 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3717 return err; 3718 } 3719 *changed |= err; 3720 } 3721 3722 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3723 ieee80211_send_action_csa(sdata, params); 3724 3725 break; 3726 } 3727 #endif 3728 default: 3729 return -EOPNOTSUPP; 3730 } 3731 3732 return 0; 3733 } 3734 3735 static void ieee80211_color_change_abort(struct ieee80211_sub_if_data *sdata) 3736 { 3737 sdata->vif.bss_conf.color_change_active = false; 3738 3739 ieee80211_free_next_beacon(&sdata->deflink); 3740 3741 cfg80211_color_change_aborted_notify(sdata->dev); 3742 } 3743 3744 static int 3745 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3746 struct cfg80211_csa_settings *params) 3747 { 3748 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3749 struct ieee80211_local *local = sdata->local; 3750 struct ieee80211_channel_switch ch_switch; 3751 struct ieee80211_chanctx_conf *conf; 3752 struct ieee80211_chanctx *chanctx; 3753 u32 changed = 0; 3754 int err; 3755 3756 sdata_assert_lock(sdata); 3757 lockdep_assert_held(&local->mtx); 3758 3759 if (!list_empty(&local->roc_list) || local->scanning) 3760 return -EBUSY; 3761 3762 if (sdata->wdev.cac_started) 3763 return -EBUSY; 3764 3765 if (cfg80211_chandef_identical(¶ms->chandef, 3766 &sdata->vif.bss_conf.chandef)) 3767 return -EINVAL; 3768 3769 /* don't allow another channel switch if one is already active. */ 3770 if (sdata->vif.bss_conf.csa_active) 3771 return -EBUSY; 3772 3773 mutex_lock(&local->chanctx_mtx); 3774 conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf, 3775 lockdep_is_held(&local->chanctx_mtx)); 3776 if (!conf) { 3777 err = -EBUSY; 3778 goto out; 3779 } 3780 3781 if (params->chandef.chan->freq_offset) { 3782 /* this may work, but is untested */ 3783 err = -EOPNOTSUPP; 3784 goto out; 3785 } 3786 3787 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3788 3789 ch_switch.timestamp = 0; 3790 ch_switch.device_timestamp = 0; 3791 ch_switch.block_tx = params->block_tx; 3792 ch_switch.chandef = params->chandef; 3793 ch_switch.count = params->count; 3794 3795 err = drv_pre_channel_switch(sdata, &ch_switch); 3796 if (err) 3797 goto out; 3798 3799 err = ieee80211_link_reserve_chanctx(&sdata->deflink, ¶ms->chandef, 3800 chanctx->mode, 3801 params->radar_required); 3802 if (err) 3803 goto out; 3804 3805 /* if reservation is invalid then this will fail */ 3806 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3807 if (err) { 3808 ieee80211_link_unreserve_chanctx(&sdata->deflink); 3809 goto out; 3810 } 3811 3812 /* if there is a color change in progress, abort it */ 3813 if (sdata->vif.bss_conf.color_change_active) 3814 ieee80211_color_change_abort(sdata); 3815 3816 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3817 if (err) { 3818 ieee80211_link_unreserve_chanctx(&sdata->deflink); 3819 goto out; 3820 } 3821 3822 sdata->deflink.csa_chandef = params->chandef; 3823 sdata->deflink.csa_block_tx = params->block_tx; 3824 sdata->vif.bss_conf.csa_active = true; 3825 3826 if (sdata->deflink.csa_block_tx) 3827 ieee80211_stop_vif_queues(local, sdata, 3828 IEEE80211_QUEUE_STOP_REASON_CSA); 3829 3830 cfg80211_ch_switch_started_notify(sdata->dev, 3831 &sdata->deflink.csa_chandef, 0, 3832 params->count, params->block_tx); 3833 3834 if (changed) { 3835 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3836 changed); 3837 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3838 } else { 3839 /* if the beacon didn't change, we can finalize immediately */ 3840 ieee80211_csa_finalize(sdata); 3841 } 3842 3843 out: 3844 mutex_unlock(&local->chanctx_mtx); 3845 return err; 3846 } 3847 3848 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3849 struct cfg80211_csa_settings *params) 3850 { 3851 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3852 struct ieee80211_local *local = sdata->local; 3853 int err; 3854 3855 mutex_lock(&local->mtx); 3856 err = __ieee80211_channel_switch(wiphy, dev, params); 3857 mutex_unlock(&local->mtx); 3858 3859 return err; 3860 } 3861 3862 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3863 { 3864 lockdep_assert_held(&local->mtx); 3865 3866 local->roc_cookie_counter++; 3867 3868 /* wow, you wrapped 64 bits ... more likely a bug */ 3869 if (WARN_ON(local->roc_cookie_counter == 0)) 3870 local->roc_cookie_counter++; 3871 3872 return local->roc_cookie_counter; 3873 } 3874 3875 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3876 u64 *cookie, gfp_t gfp) 3877 { 3878 unsigned long spin_flags; 3879 struct sk_buff *ack_skb; 3880 int id; 3881 3882 ack_skb = skb_copy(skb, gfp); 3883 if (!ack_skb) 3884 return -ENOMEM; 3885 3886 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3887 id = idr_alloc(&local->ack_status_frames, ack_skb, 3888 1, 0x2000, GFP_ATOMIC); 3889 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3890 3891 if (id < 0) { 3892 kfree_skb(ack_skb); 3893 return -ENOMEM; 3894 } 3895 3896 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3897 3898 *cookie = ieee80211_mgmt_tx_cookie(local); 3899 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3900 3901 return 0; 3902 } 3903 3904 static void 3905 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 3906 struct wireless_dev *wdev, 3907 struct mgmt_frame_regs *upd) 3908 { 3909 struct ieee80211_local *local = wiphy_priv(wiphy); 3910 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3911 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 3912 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 3913 bool global_change, intf_change; 3914 3915 global_change = 3916 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 3917 (local->rx_mcast_action_reg != 3918 !!(upd->global_mcast_stypes & action_mask)); 3919 local->probe_req_reg = upd->global_stypes & preq_mask; 3920 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 3921 3922 intf_change = (sdata->vif.probe_req_reg != 3923 !!(upd->interface_stypes & preq_mask)) || 3924 (sdata->vif.rx_mcast_action_reg != 3925 !!(upd->interface_mcast_stypes & action_mask)); 3926 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 3927 sdata->vif.rx_mcast_action_reg = 3928 upd->interface_mcast_stypes & action_mask; 3929 3930 if (!local->open_count) 3931 return; 3932 3933 if (intf_change && ieee80211_sdata_running(sdata)) 3934 drv_config_iface_filter(local, sdata, 3935 sdata->vif.probe_req_reg ? 3936 FIF_PROBE_REQ : 0, 3937 FIF_PROBE_REQ); 3938 3939 if (global_change) 3940 ieee80211_configure_filter(local); 3941 } 3942 3943 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3944 { 3945 struct ieee80211_local *local = wiphy_priv(wiphy); 3946 3947 if (local->started) 3948 return -EOPNOTSUPP; 3949 3950 return drv_set_antenna(local, tx_ant, rx_ant); 3951 } 3952 3953 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3954 { 3955 struct ieee80211_local *local = wiphy_priv(wiphy); 3956 3957 return drv_get_antenna(local, tx_ant, rx_ant); 3958 } 3959 3960 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3961 struct net_device *dev, 3962 struct cfg80211_gtk_rekey_data *data) 3963 { 3964 struct ieee80211_local *local = wiphy_priv(wiphy); 3965 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3966 3967 if (!local->ops->set_rekey_data) 3968 return -EOPNOTSUPP; 3969 3970 drv_set_rekey_data(local, sdata, data); 3971 3972 return 0; 3973 } 3974 3975 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3976 const u8 *peer, u64 *cookie) 3977 { 3978 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3979 struct ieee80211_local *local = sdata->local; 3980 struct ieee80211_qos_hdr *nullfunc; 3981 struct sk_buff *skb; 3982 int size = sizeof(*nullfunc); 3983 __le16 fc; 3984 bool qos; 3985 struct ieee80211_tx_info *info; 3986 struct sta_info *sta; 3987 struct ieee80211_chanctx_conf *chanctx_conf; 3988 enum nl80211_band band; 3989 int ret; 3990 3991 /* the lock is needed to assign the cookie later */ 3992 mutex_lock(&local->mtx); 3993 3994 rcu_read_lock(); 3995 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 3996 if (WARN_ON(!chanctx_conf)) { 3997 ret = -EINVAL; 3998 goto unlock; 3999 } 4000 band = chanctx_conf->def.chan->band; 4001 sta = sta_info_get_bss(sdata, peer); 4002 if (sta) { 4003 qos = sta->sta.wme; 4004 } else { 4005 ret = -ENOLINK; 4006 goto unlock; 4007 } 4008 4009 if (qos) { 4010 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4011 IEEE80211_STYPE_QOS_NULLFUNC | 4012 IEEE80211_FCTL_FROMDS); 4013 } else { 4014 size -= 2; 4015 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4016 IEEE80211_STYPE_NULLFUNC | 4017 IEEE80211_FCTL_FROMDS); 4018 } 4019 4020 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 4021 if (!skb) { 4022 ret = -ENOMEM; 4023 goto unlock; 4024 } 4025 4026 skb->dev = dev; 4027 4028 skb_reserve(skb, local->hw.extra_tx_headroom); 4029 4030 nullfunc = skb_put(skb, size); 4031 nullfunc->frame_control = fc; 4032 nullfunc->duration_id = 0; 4033 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 4034 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 4035 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 4036 nullfunc->seq_ctrl = 0; 4037 4038 info = IEEE80211_SKB_CB(skb); 4039 4040 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 4041 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 4042 info->band = band; 4043 4044 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 4045 skb->priority = 7; 4046 if (qos) 4047 nullfunc->qos_ctrl = cpu_to_le16(7); 4048 4049 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 4050 if (ret) { 4051 kfree_skb(skb); 4052 goto unlock; 4053 } 4054 4055 local_bh_disable(); 4056 ieee80211_xmit(sdata, sta, skb); 4057 local_bh_enable(); 4058 4059 ret = 0; 4060 unlock: 4061 rcu_read_unlock(); 4062 mutex_unlock(&local->mtx); 4063 4064 return ret; 4065 } 4066 4067 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 4068 struct wireless_dev *wdev, 4069 unsigned int link_id, 4070 struct cfg80211_chan_def *chandef) 4071 { 4072 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4073 struct ieee80211_local *local = wiphy_priv(wiphy); 4074 struct ieee80211_chanctx_conf *chanctx_conf; 4075 struct ieee80211_link_data *link; 4076 int ret = -ENODATA; 4077 4078 rcu_read_lock(); 4079 link = rcu_dereference(sdata->link[link_id]); 4080 if (!link) { 4081 ret = -ENOLINK; 4082 goto out; 4083 } 4084 4085 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 4086 if (chanctx_conf) { 4087 *chandef = link->conf->chandef; 4088 ret = 0; 4089 } else if (local->open_count > 0 && 4090 local->open_count == local->monitors && 4091 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 4092 if (local->use_chanctx) 4093 *chandef = local->monitor_chandef; 4094 else 4095 *chandef = local->_oper_chandef; 4096 ret = 0; 4097 } 4098 out: 4099 rcu_read_unlock(); 4100 4101 return ret; 4102 } 4103 4104 #ifdef CONFIG_PM 4105 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 4106 { 4107 drv_set_wakeup(wiphy_priv(wiphy), enabled); 4108 } 4109 #endif 4110 4111 static int ieee80211_set_qos_map(struct wiphy *wiphy, 4112 struct net_device *dev, 4113 struct cfg80211_qos_map *qos_map) 4114 { 4115 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4116 struct mac80211_qos_map *new_qos_map, *old_qos_map; 4117 4118 if (qos_map) { 4119 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 4120 if (!new_qos_map) 4121 return -ENOMEM; 4122 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 4123 } else { 4124 /* A NULL qos_map was passed to disable QoS mapping */ 4125 new_qos_map = NULL; 4126 } 4127 4128 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 4129 rcu_assign_pointer(sdata->qos_map, new_qos_map); 4130 if (old_qos_map) 4131 kfree_rcu(old_qos_map, rcu_head); 4132 4133 return 0; 4134 } 4135 4136 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 4137 struct net_device *dev, 4138 unsigned int link_id, 4139 struct cfg80211_chan_def *chandef) 4140 { 4141 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4142 struct ieee80211_link_data *link; 4143 int ret; 4144 u32 changed = 0; 4145 4146 link = sdata_dereference(sdata->link[link_id], sdata); 4147 4148 ret = ieee80211_link_change_bandwidth(link, chandef, &changed); 4149 if (ret == 0) 4150 ieee80211_link_info_change_notify(sdata, link, changed); 4151 4152 return ret; 4153 } 4154 4155 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4156 u8 tsid, const u8 *peer, u8 up, 4157 u16 admitted_time) 4158 { 4159 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4160 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4161 int ac = ieee802_1d_to_ac[up]; 4162 4163 if (sdata->vif.type != NL80211_IFTYPE_STATION) 4164 return -EOPNOTSUPP; 4165 4166 if (!(sdata->wmm_acm & BIT(up))) 4167 return -EINVAL; 4168 4169 if (ifmgd->tx_tspec[ac].admitted_time) 4170 return -EBUSY; 4171 4172 if (admitted_time) { 4173 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 4174 ifmgd->tx_tspec[ac].tsid = tsid; 4175 ifmgd->tx_tspec[ac].up = up; 4176 } 4177 4178 return 0; 4179 } 4180 4181 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4182 u8 tsid, const u8 *peer) 4183 { 4184 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4185 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4186 struct ieee80211_local *local = wiphy_priv(wiphy); 4187 int ac; 4188 4189 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 4190 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 4191 4192 /* skip unused entries */ 4193 if (!tx_tspec->admitted_time) 4194 continue; 4195 4196 if (tx_tspec->tsid != tsid) 4197 continue; 4198 4199 /* due to this new packets will be reassigned to non-ACM ACs */ 4200 tx_tspec->up = -1; 4201 4202 /* Make sure that all packets have been sent to avoid to 4203 * restore the QoS params on packets that are still on the 4204 * queues. 4205 */ 4206 synchronize_net(); 4207 ieee80211_flush_queues(local, sdata, false); 4208 4209 /* restore the normal QoS parameters 4210 * (unconditionally to avoid races) 4211 */ 4212 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 4213 tx_tspec->downgraded = false; 4214 ieee80211_sta_handle_tspec_ac_params(sdata); 4215 4216 /* finally clear all the data */ 4217 memset(tx_tspec, 0, sizeof(*tx_tspec)); 4218 4219 return 0; 4220 } 4221 4222 return -ENOENT; 4223 } 4224 4225 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 4226 u8 inst_id, 4227 enum nl80211_nan_func_term_reason reason, 4228 gfp_t gfp) 4229 { 4230 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4231 struct cfg80211_nan_func *func; 4232 u64 cookie; 4233 4234 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4235 return; 4236 4237 spin_lock_bh(&sdata->u.nan.func_lock); 4238 4239 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 4240 if (WARN_ON(!func)) { 4241 spin_unlock_bh(&sdata->u.nan.func_lock); 4242 return; 4243 } 4244 4245 cookie = func->cookie; 4246 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 4247 4248 spin_unlock_bh(&sdata->u.nan.func_lock); 4249 4250 cfg80211_free_nan_func(func); 4251 4252 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 4253 reason, cookie, gfp); 4254 } 4255 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 4256 4257 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 4258 struct cfg80211_nan_match_params *match, 4259 gfp_t gfp) 4260 { 4261 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4262 struct cfg80211_nan_func *func; 4263 4264 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4265 return; 4266 4267 spin_lock_bh(&sdata->u.nan.func_lock); 4268 4269 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 4270 if (WARN_ON(!func)) { 4271 spin_unlock_bh(&sdata->u.nan.func_lock); 4272 return; 4273 } 4274 match->cookie = func->cookie; 4275 4276 spin_unlock_bh(&sdata->u.nan.func_lock); 4277 4278 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 4279 } 4280 EXPORT_SYMBOL(ieee80211_nan_func_match); 4281 4282 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 4283 struct net_device *dev, 4284 const bool enabled) 4285 { 4286 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4287 4288 sdata->u.ap.multicast_to_unicast = enabled; 4289 4290 return 0; 4291 } 4292 4293 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 4294 struct txq_info *txqi) 4295 { 4296 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 4297 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 4298 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 4299 } 4300 4301 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 4302 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 4303 txqstats->backlog_packets = txqi->tin.backlog_packets; 4304 } 4305 4306 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 4307 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 4308 txqstats->flows = txqi->tin.flows; 4309 } 4310 4311 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 4312 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 4313 txqstats->drops = txqi->cstats.drop_count; 4314 } 4315 4316 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 4317 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 4318 txqstats->ecn_marks = txqi->cstats.ecn_mark; 4319 } 4320 4321 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 4322 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 4323 txqstats->overlimit = txqi->tin.overlimit; 4324 } 4325 4326 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 4327 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 4328 txqstats->collisions = txqi->tin.collisions; 4329 } 4330 4331 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 4332 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 4333 txqstats->tx_bytes = txqi->tin.tx_bytes; 4334 } 4335 4336 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 4337 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 4338 txqstats->tx_packets = txqi->tin.tx_packets; 4339 } 4340 } 4341 4342 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 4343 struct wireless_dev *wdev, 4344 struct cfg80211_txq_stats *txqstats) 4345 { 4346 struct ieee80211_local *local = wiphy_priv(wiphy); 4347 struct ieee80211_sub_if_data *sdata; 4348 int ret = 0; 4349 4350 spin_lock_bh(&local->fq.lock); 4351 rcu_read_lock(); 4352 4353 if (wdev) { 4354 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4355 if (!sdata->vif.txq) { 4356 ret = 1; 4357 goto out; 4358 } 4359 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 4360 } else { 4361 /* phy stats */ 4362 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 4363 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 4364 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 4365 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 4366 BIT(NL80211_TXQ_STATS_COLLISIONS) | 4367 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 4368 txqstats->backlog_packets = local->fq.backlog; 4369 txqstats->backlog_bytes = local->fq.memory_usage; 4370 txqstats->overlimit = local->fq.overlimit; 4371 txqstats->overmemory = local->fq.overmemory; 4372 txqstats->collisions = local->fq.collisions; 4373 txqstats->max_flows = local->fq.flows_cnt; 4374 } 4375 4376 out: 4377 rcu_read_unlock(); 4378 spin_unlock_bh(&local->fq.lock); 4379 4380 return ret; 4381 } 4382 4383 static int 4384 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4385 struct net_device *dev, 4386 struct cfg80211_ftm_responder_stats *ftm_stats) 4387 { 4388 struct ieee80211_local *local = wiphy_priv(wiphy); 4389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4390 4391 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4392 } 4393 4394 static int 4395 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4396 struct cfg80211_pmsr_request *request) 4397 { 4398 struct ieee80211_local *local = wiphy_priv(wiphy); 4399 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4400 4401 return drv_start_pmsr(local, sdata, request); 4402 } 4403 4404 static void 4405 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4406 struct cfg80211_pmsr_request *request) 4407 { 4408 struct ieee80211_local *local = wiphy_priv(wiphy); 4409 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4410 4411 return drv_abort_pmsr(local, sdata, request); 4412 } 4413 4414 static int ieee80211_set_tid_config(struct wiphy *wiphy, 4415 struct net_device *dev, 4416 struct cfg80211_tid_config *tid_conf) 4417 { 4418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4419 struct sta_info *sta; 4420 int ret; 4421 4422 if (!sdata->local->ops->set_tid_config) 4423 return -EOPNOTSUPP; 4424 4425 if (!tid_conf->peer) 4426 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 4427 4428 mutex_lock(&sdata->local->sta_mtx); 4429 sta = sta_info_get_bss(sdata, tid_conf->peer); 4430 if (!sta) { 4431 mutex_unlock(&sdata->local->sta_mtx); 4432 return -ENOENT; 4433 } 4434 4435 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 4436 mutex_unlock(&sdata->local->sta_mtx); 4437 4438 return ret; 4439 } 4440 4441 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 4442 struct net_device *dev, 4443 const u8 *peer, u8 tids) 4444 { 4445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4446 struct sta_info *sta; 4447 int ret; 4448 4449 if (!sdata->local->ops->reset_tid_config) 4450 return -EOPNOTSUPP; 4451 4452 if (!peer) 4453 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 4454 4455 mutex_lock(&sdata->local->sta_mtx); 4456 sta = sta_info_get_bss(sdata, peer); 4457 if (!sta) { 4458 mutex_unlock(&sdata->local->sta_mtx); 4459 return -ENOENT; 4460 } 4461 4462 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 4463 mutex_unlock(&sdata->local->sta_mtx); 4464 4465 return ret; 4466 } 4467 4468 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 4469 struct cfg80211_sar_specs *sar) 4470 { 4471 struct ieee80211_local *local = wiphy_priv(wiphy); 4472 4473 if (!local->ops->set_sar_specs) 4474 return -EOPNOTSUPP; 4475 4476 return local->ops->set_sar_specs(&local->hw, sar); 4477 } 4478 4479 static int 4480 ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data *sdata, 4481 u32 *changed) 4482 { 4483 switch (sdata->vif.type) { 4484 case NL80211_IFTYPE_AP: { 4485 int ret; 4486 4487 if (!sdata->deflink.u.ap.next_beacon) 4488 return -EINVAL; 4489 4490 ret = ieee80211_assign_beacon(sdata, &sdata->deflink, 4491 sdata->deflink.u.ap.next_beacon, 4492 NULL, NULL); 4493 ieee80211_free_next_beacon(&sdata->deflink); 4494 4495 if (ret < 0) 4496 return ret; 4497 4498 *changed |= ret; 4499 break; 4500 } 4501 default: 4502 WARN_ON_ONCE(1); 4503 return -EINVAL; 4504 } 4505 4506 return 0; 4507 } 4508 4509 static int 4510 ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata, 4511 struct cfg80211_color_change_settings *params, 4512 u32 *changed) 4513 { 4514 struct ieee80211_color_change_settings color_change = {}; 4515 int err; 4516 4517 switch (sdata->vif.type) { 4518 case NL80211_IFTYPE_AP: 4519 sdata->deflink.u.ap.next_beacon = 4520 cfg80211_beacon_dup(¶ms->beacon_next); 4521 if (!sdata->deflink.u.ap.next_beacon) 4522 return -ENOMEM; 4523 4524 if (params->count <= 1) 4525 break; 4526 4527 color_change.counter_offset_beacon = 4528 params->counter_offset_beacon; 4529 color_change.counter_offset_presp = 4530 params->counter_offset_presp; 4531 color_change.count = params->count; 4532 4533 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 4534 ¶ms->beacon_color_change, 4535 NULL, &color_change); 4536 if (err < 0) { 4537 ieee80211_free_next_beacon(&sdata->deflink); 4538 return err; 4539 } 4540 *changed |= err; 4541 break; 4542 default: 4543 return -EOPNOTSUPP; 4544 } 4545 4546 return 0; 4547 } 4548 4549 static void 4550 ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata, 4551 u8 color, int enable, u32 changed) 4552 { 4553 sdata->vif.bss_conf.he_bss_color.color = color; 4554 sdata->vif.bss_conf.he_bss_color.enabled = enable; 4555 changed |= BSS_CHANGED_HE_BSS_COLOR; 4556 4557 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed); 4558 4559 if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) { 4560 struct ieee80211_sub_if_data *child; 4561 4562 mutex_lock(&sdata->local->iflist_mtx); 4563 list_for_each_entry(child, &sdata->local->interfaces, list) { 4564 if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) { 4565 child->vif.bss_conf.he_bss_color.color = color; 4566 child->vif.bss_conf.he_bss_color.enabled = enable; 4567 ieee80211_link_info_change_notify(child, 4568 &child->deflink, 4569 BSS_CHANGED_HE_BSS_COLOR); 4570 } 4571 } 4572 mutex_unlock(&sdata->local->iflist_mtx); 4573 } 4574 } 4575 4576 static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata) 4577 { 4578 struct ieee80211_local *local = sdata->local; 4579 u32 changed = 0; 4580 int err; 4581 4582 sdata_assert_lock(sdata); 4583 lockdep_assert_held(&local->mtx); 4584 4585 sdata->vif.bss_conf.color_change_active = false; 4586 4587 err = ieee80211_set_after_color_change_beacon(sdata, &changed); 4588 if (err) { 4589 cfg80211_color_change_aborted_notify(sdata->dev); 4590 return err; 4591 } 4592 4593 ieee80211_color_change_bss_config_notify(sdata, 4594 sdata->vif.bss_conf.color_change_color, 4595 1, changed); 4596 cfg80211_color_change_notify(sdata->dev); 4597 4598 return 0; 4599 } 4600 4601 void ieee80211_color_change_finalize_work(struct work_struct *work) 4602 { 4603 struct ieee80211_sub_if_data *sdata = 4604 container_of(work, struct ieee80211_sub_if_data, 4605 deflink.color_change_finalize_work); 4606 struct ieee80211_local *local = sdata->local; 4607 4608 sdata_lock(sdata); 4609 mutex_lock(&local->mtx); 4610 4611 /* AP might have been stopped while waiting for the lock. */ 4612 if (!sdata->vif.bss_conf.color_change_active) 4613 goto unlock; 4614 4615 if (!ieee80211_sdata_running(sdata)) 4616 goto unlock; 4617 4618 ieee80211_color_change_finalize(sdata); 4619 4620 unlock: 4621 mutex_unlock(&local->mtx); 4622 sdata_unlock(sdata); 4623 } 4624 4625 void ieee80211_color_change_finish(struct ieee80211_vif *vif) 4626 { 4627 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4628 4629 ieee80211_queue_work(&sdata->local->hw, 4630 &sdata->deflink.color_change_finalize_work); 4631 } 4632 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 4633 4634 void 4635 ieeee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 4636 u64 color_bitmap, gfp_t gfp) 4637 { 4638 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4639 4640 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) 4641 return; 4642 4643 cfg80211_obss_color_collision_notify(sdata->dev, color_bitmap, gfp); 4644 } 4645 EXPORT_SYMBOL_GPL(ieeee80211_obss_color_collision_notify); 4646 4647 static int 4648 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 4649 struct cfg80211_color_change_settings *params) 4650 { 4651 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4652 struct ieee80211_local *local = sdata->local; 4653 u32 changed = 0; 4654 int err; 4655 4656 sdata_assert_lock(sdata); 4657 4658 if (sdata->vif.bss_conf.nontransmitted) 4659 return -EINVAL; 4660 4661 mutex_lock(&local->mtx); 4662 4663 /* don't allow another color change if one is already active or if csa 4664 * is active 4665 */ 4666 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) { 4667 err = -EBUSY; 4668 goto out; 4669 } 4670 4671 err = ieee80211_set_color_change_beacon(sdata, params, &changed); 4672 if (err) 4673 goto out; 4674 4675 sdata->vif.bss_conf.color_change_active = true; 4676 sdata->vif.bss_conf.color_change_color = params->color; 4677 4678 cfg80211_color_change_started_notify(sdata->dev, params->count); 4679 4680 if (changed) 4681 ieee80211_color_change_bss_config_notify(sdata, 0, 0, changed); 4682 else 4683 /* if the beacon didn't change, we can finalize immediately */ 4684 ieee80211_color_change_finalize(sdata); 4685 4686 out: 4687 mutex_unlock(&local->mtx); 4688 4689 return err; 4690 } 4691 4692 static int 4693 ieee80211_set_radar_background(struct wiphy *wiphy, 4694 struct cfg80211_chan_def *chandef) 4695 { 4696 struct ieee80211_local *local = wiphy_priv(wiphy); 4697 4698 if (!local->ops->set_radar_background) 4699 return -EOPNOTSUPP; 4700 4701 return local->ops->set_radar_background(&local->hw, chandef); 4702 } 4703 4704 static int ieee80211_add_intf_link(struct wiphy *wiphy, 4705 struct wireless_dev *wdev, 4706 unsigned int link_id) 4707 { 4708 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4709 4710 if (wdev->use_4addr) 4711 return -EOPNOTSUPP; 4712 4713 return ieee80211_vif_set_links(sdata, wdev->valid_links); 4714 } 4715 4716 static void ieee80211_del_intf_link(struct wiphy *wiphy, 4717 struct wireless_dev *wdev, 4718 unsigned int link_id) 4719 { 4720 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4721 4722 ieee80211_vif_set_links(sdata, wdev->valid_links); 4723 } 4724 4725 static int sta_add_link_station(struct ieee80211_local *local, 4726 struct ieee80211_sub_if_data *sdata, 4727 struct link_station_parameters *params) 4728 { 4729 struct sta_info *sta; 4730 int ret; 4731 4732 sta = sta_info_get_bss(sdata, params->mld_mac); 4733 if (!sta) 4734 return -ENOENT; 4735 4736 if (!sta->sta.valid_links) 4737 return -EINVAL; 4738 4739 if (sta->sta.valid_links & BIT(params->link_id)) 4740 return -EALREADY; 4741 4742 ret = ieee80211_sta_allocate_link(sta, params->link_id); 4743 if (ret) 4744 return ret; 4745 4746 ret = sta_link_apply_parameters(local, sta, true, params); 4747 if (ret) { 4748 ieee80211_sta_free_link(sta, params->link_id); 4749 return ret; 4750 } 4751 4752 /* ieee80211_sta_activate_link frees the link upon failure */ 4753 return ieee80211_sta_activate_link(sta, params->link_id); 4754 } 4755 4756 static int 4757 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 4758 struct link_station_parameters *params) 4759 { 4760 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4761 struct ieee80211_local *local = wiphy_priv(wiphy); 4762 int ret; 4763 4764 mutex_lock(&sdata->local->sta_mtx); 4765 ret = sta_add_link_station(local, sdata, params); 4766 mutex_unlock(&sdata->local->sta_mtx); 4767 4768 return ret; 4769 } 4770 4771 static int sta_mod_link_station(struct ieee80211_local *local, 4772 struct ieee80211_sub_if_data *sdata, 4773 struct link_station_parameters *params) 4774 { 4775 struct sta_info *sta; 4776 4777 sta = sta_info_get_bss(sdata, params->mld_mac); 4778 if (!sta) 4779 return -ENOENT; 4780 4781 if (!(sta->sta.valid_links & BIT(params->link_id))) 4782 return -EINVAL; 4783 4784 return sta_link_apply_parameters(local, sta, false, params); 4785 } 4786 4787 static int 4788 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 4789 struct link_station_parameters *params) 4790 { 4791 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4792 struct ieee80211_local *local = wiphy_priv(wiphy); 4793 int ret; 4794 4795 mutex_lock(&sdata->local->sta_mtx); 4796 ret = sta_mod_link_station(local, sdata, params); 4797 mutex_unlock(&sdata->local->sta_mtx); 4798 4799 return ret; 4800 } 4801 4802 static int sta_del_link_station(struct ieee80211_sub_if_data *sdata, 4803 struct link_station_del_parameters *params) 4804 { 4805 struct sta_info *sta; 4806 4807 sta = sta_info_get_bss(sdata, params->mld_mac); 4808 if (!sta) 4809 return -ENOENT; 4810 4811 if (!(sta->sta.valid_links & BIT(params->link_id))) 4812 return -EINVAL; 4813 4814 /* must not create a STA without links */ 4815 if (sta->sta.valid_links == BIT(params->link_id)) 4816 return -EINVAL; 4817 4818 ieee80211_sta_remove_link(sta, params->link_id); 4819 4820 return 0; 4821 } 4822 4823 static int 4824 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 4825 struct link_station_del_parameters *params) 4826 { 4827 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4828 int ret; 4829 4830 mutex_lock(&sdata->local->sta_mtx); 4831 ret = sta_del_link_station(sdata, params); 4832 mutex_unlock(&sdata->local->sta_mtx); 4833 4834 return ret; 4835 } 4836 4837 const struct cfg80211_ops mac80211_config_ops = { 4838 .add_virtual_intf = ieee80211_add_iface, 4839 .del_virtual_intf = ieee80211_del_iface, 4840 .change_virtual_intf = ieee80211_change_iface, 4841 .start_p2p_device = ieee80211_start_p2p_device, 4842 .stop_p2p_device = ieee80211_stop_p2p_device, 4843 .add_key = ieee80211_add_key, 4844 .del_key = ieee80211_del_key, 4845 .get_key = ieee80211_get_key, 4846 .set_default_key = ieee80211_config_default_key, 4847 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 4848 .set_default_beacon_key = ieee80211_config_default_beacon_key, 4849 .start_ap = ieee80211_start_ap, 4850 .change_beacon = ieee80211_change_beacon, 4851 .stop_ap = ieee80211_stop_ap, 4852 .add_station = ieee80211_add_station, 4853 .del_station = ieee80211_del_station, 4854 .change_station = ieee80211_change_station, 4855 .get_station = ieee80211_get_station, 4856 .dump_station = ieee80211_dump_station, 4857 .dump_survey = ieee80211_dump_survey, 4858 #ifdef CONFIG_MAC80211_MESH 4859 .add_mpath = ieee80211_add_mpath, 4860 .del_mpath = ieee80211_del_mpath, 4861 .change_mpath = ieee80211_change_mpath, 4862 .get_mpath = ieee80211_get_mpath, 4863 .dump_mpath = ieee80211_dump_mpath, 4864 .get_mpp = ieee80211_get_mpp, 4865 .dump_mpp = ieee80211_dump_mpp, 4866 .update_mesh_config = ieee80211_update_mesh_config, 4867 .get_mesh_config = ieee80211_get_mesh_config, 4868 .join_mesh = ieee80211_join_mesh, 4869 .leave_mesh = ieee80211_leave_mesh, 4870 #endif 4871 .join_ocb = ieee80211_join_ocb, 4872 .leave_ocb = ieee80211_leave_ocb, 4873 .change_bss = ieee80211_change_bss, 4874 .set_txq_params = ieee80211_set_txq_params, 4875 .set_monitor_channel = ieee80211_set_monitor_channel, 4876 .suspend = ieee80211_suspend, 4877 .resume = ieee80211_resume, 4878 .scan = ieee80211_scan, 4879 .abort_scan = ieee80211_abort_scan, 4880 .sched_scan_start = ieee80211_sched_scan_start, 4881 .sched_scan_stop = ieee80211_sched_scan_stop, 4882 .auth = ieee80211_auth, 4883 .assoc = ieee80211_assoc, 4884 .deauth = ieee80211_deauth, 4885 .disassoc = ieee80211_disassoc, 4886 .join_ibss = ieee80211_join_ibss, 4887 .leave_ibss = ieee80211_leave_ibss, 4888 .set_mcast_rate = ieee80211_set_mcast_rate, 4889 .set_wiphy_params = ieee80211_set_wiphy_params, 4890 .set_tx_power = ieee80211_set_tx_power, 4891 .get_tx_power = ieee80211_get_tx_power, 4892 .rfkill_poll = ieee80211_rfkill_poll, 4893 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 4894 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 4895 .set_power_mgmt = ieee80211_set_power_mgmt, 4896 .set_bitrate_mask = ieee80211_set_bitrate_mask, 4897 .remain_on_channel = ieee80211_remain_on_channel, 4898 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 4899 .mgmt_tx = ieee80211_mgmt_tx, 4900 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 4901 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 4902 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 4903 .update_mgmt_frame_registrations = 4904 ieee80211_update_mgmt_frame_registrations, 4905 .set_antenna = ieee80211_set_antenna, 4906 .get_antenna = ieee80211_get_antenna, 4907 .set_rekey_data = ieee80211_set_rekey_data, 4908 .tdls_oper = ieee80211_tdls_oper, 4909 .tdls_mgmt = ieee80211_tdls_mgmt, 4910 .tdls_channel_switch = ieee80211_tdls_channel_switch, 4911 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 4912 .probe_client = ieee80211_probe_client, 4913 .set_noack_map = ieee80211_set_noack_map, 4914 #ifdef CONFIG_PM 4915 .set_wakeup = ieee80211_set_wakeup, 4916 #endif 4917 .get_channel = ieee80211_cfg_get_channel, 4918 .start_radar_detection = ieee80211_start_radar_detection, 4919 .end_cac = ieee80211_end_cac, 4920 .channel_switch = ieee80211_channel_switch, 4921 .set_qos_map = ieee80211_set_qos_map, 4922 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 4923 .add_tx_ts = ieee80211_add_tx_ts, 4924 .del_tx_ts = ieee80211_del_tx_ts, 4925 .start_nan = ieee80211_start_nan, 4926 .stop_nan = ieee80211_stop_nan, 4927 .nan_change_conf = ieee80211_nan_change_conf, 4928 .add_nan_func = ieee80211_add_nan_func, 4929 .del_nan_func = ieee80211_del_nan_func, 4930 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 4931 .tx_control_port = ieee80211_tx_control_port, 4932 .get_txq_stats = ieee80211_get_txq_stats, 4933 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 4934 .start_pmsr = ieee80211_start_pmsr, 4935 .abort_pmsr = ieee80211_abort_pmsr, 4936 .probe_mesh_link = ieee80211_probe_mesh_link, 4937 .set_tid_config = ieee80211_set_tid_config, 4938 .reset_tid_config = ieee80211_reset_tid_config, 4939 .set_sar_specs = ieee80211_set_sar_specs, 4940 .color_change = ieee80211_color_change, 4941 .set_radar_background = ieee80211_set_radar_background, 4942 .add_intf_link = ieee80211_add_intf_link, 4943 .del_intf_link = ieee80211_del_intf_link, 4944 .add_link_station = ieee80211_add_link_station, 4945 .mod_link_station = ieee80211_mod_link_station, 4946 .del_link_station = ieee80211_del_link_station, 4947 }; 4948