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; 150 151 if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev) 152 return -EINVAL; 153 154 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params.tx_wdev); 155 if (!tx_sdata) 156 return -EINVAL; 157 158 if (tx_sdata == sdata) { 159 sdata->vif.mbssid_tx_vif = &sdata->vif; 160 } else { 161 sdata->vif.mbssid_tx_vif = &tx_sdata->vif; 162 link_conf->nontransmitted = true; 163 link_conf->bssid_index = params.index; 164 } 165 if (params.ema) 166 link_conf->ema_ap = true; 167 168 return 0; 169 } 170 171 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 172 const char *name, 173 unsigned char name_assign_type, 174 enum nl80211_iftype type, 175 struct vif_params *params) 176 { 177 struct ieee80211_local *local = wiphy_priv(wiphy); 178 struct wireless_dev *wdev; 179 struct ieee80211_sub_if_data *sdata; 180 int err; 181 182 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 183 if (err) 184 return ERR_PTR(err); 185 186 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 187 188 if (type == NL80211_IFTYPE_MONITOR) { 189 err = ieee80211_set_mon_options(sdata, params); 190 if (err) { 191 ieee80211_if_remove(sdata); 192 return NULL; 193 } 194 } 195 196 return wdev; 197 } 198 199 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 200 { 201 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 202 203 return 0; 204 } 205 206 static int ieee80211_change_iface(struct wiphy *wiphy, 207 struct net_device *dev, 208 enum nl80211_iftype type, 209 struct vif_params *params) 210 { 211 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 212 struct ieee80211_local *local = sdata->local; 213 struct sta_info *sta; 214 int ret; 215 216 ret = ieee80211_if_change_type(sdata, type); 217 if (ret) 218 return ret; 219 220 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 221 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 222 ieee80211_check_fast_rx_iface(sdata); 223 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 224 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 225 226 if (params->use_4addr == ifmgd->use_4addr) 227 return 0; 228 229 sdata->u.mgd.use_4addr = params->use_4addr; 230 if (!ifmgd->associated) 231 return 0; 232 233 mutex_lock(&local->sta_mtx); 234 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); 235 if (sta) 236 drv_sta_set_4addr(local, sdata, &sta->sta, 237 params->use_4addr); 238 mutex_unlock(&local->sta_mtx); 239 240 if (params->use_4addr) 241 ieee80211_send_4addr_nullfunc(local, sdata); 242 } 243 244 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 245 ret = ieee80211_set_mon_options(sdata, params); 246 if (ret) 247 return ret; 248 } 249 250 return 0; 251 } 252 253 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 254 struct wireless_dev *wdev) 255 { 256 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 257 int ret; 258 259 mutex_lock(&sdata->local->chanctx_mtx); 260 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 261 mutex_unlock(&sdata->local->chanctx_mtx); 262 if (ret < 0) 263 return ret; 264 265 return ieee80211_do_open(wdev, true); 266 } 267 268 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 269 struct wireless_dev *wdev) 270 { 271 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 272 } 273 274 static int ieee80211_start_nan(struct wiphy *wiphy, 275 struct wireless_dev *wdev, 276 struct cfg80211_nan_conf *conf) 277 { 278 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 279 int ret; 280 281 mutex_lock(&sdata->local->chanctx_mtx); 282 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 283 mutex_unlock(&sdata->local->chanctx_mtx); 284 if (ret < 0) 285 return ret; 286 287 ret = ieee80211_do_open(wdev, true); 288 if (ret) 289 return ret; 290 291 ret = drv_start_nan(sdata->local, sdata, conf); 292 if (ret) 293 ieee80211_sdata_stop(sdata); 294 295 sdata->u.nan.conf = *conf; 296 297 return ret; 298 } 299 300 static void ieee80211_stop_nan(struct wiphy *wiphy, 301 struct wireless_dev *wdev) 302 { 303 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 304 305 drv_stop_nan(sdata->local, sdata); 306 ieee80211_sdata_stop(sdata); 307 } 308 309 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 310 struct wireless_dev *wdev, 311 struct cfg80211_nan_conf *conf, 312 u32 changes) 313 { 314 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 315 struct cfg80211_nan_conf new_conf; 316 int ret = 0; 317 318 if (sdata->vif.type != NL80211_IFTYPE_NAN) 319 return -EOPNOTSUPP; 320 321 if (!ieee80211_sdata_running(sdata)) 322 return -ENETDOWN; 323 324 new_conf = sdata->u.nan.conf; 325 326 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 327 new_conf.master_pref = conf->master_pref; 328 329 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 330 new_conf.bands = conf->bands; 331 332 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 333 if (!ret) 334 sdata->u.nan.conf = new_conf; 335 336 return ret; 337 } 338 339 static int ieee80211_add_nan_func(struct wiphy *wiphy, 340 struct wireless_dev *wdev, 341 struct cfg80211_nan_func *nan_func) 342 { 343 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 344 int ret; 345 346 if (sdata->vif.type != NL80211_IFTYPE_NAN) 347 return -EOPNOTSUPP; 348 349 if (!ieee80211_sdata_running(sdata)) 350 return -ENETDOWN; 351 352 spin_lock_bh(&sdata->u.nan.func_lock); 353 354 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 355 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 356 GFP_ATOMIC); 357 spin_unlock_bh(&sdata->u.nan.func_lock); 358 359 if (ret < 0) 360 return ret; 361 362 nan_func->instance_id = ret; 363 364 WARN_ON(nan_func->instance_id == 0); 365 366 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 367 if (ret) { 368 spin_lock_bh(&sdata->u.nan.func_lock); 369 idr_remove(&sdata->u.nan.function_inst_ids, 370 nan_func->instance_id); 371 spin_unlock_bh(&sdata->u.nan.func_lock); 372 } 373 374 return ret; 375 } 376 377 static struct cfg80211_nan_func * 378 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 379 u64 cookie) 380 { 381 struct cfg80211_nan_func *func; 382 int id; 383 384 lockdep_assert_held(&sdata->u.nan.func_lock); 385 386 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 387 if (func->cookie == cookie) 388 return func; 389 } 390 391 return NULL; 392 } 393 394 static void ieee80211_del_nan_func(struct wiphy *wiphy, 395 struct wireless_dev *wdev, u64 cookie) 396 { 397 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 398 struct cfg80211_nan_func *func; 399 u8 instance_id = 0; 400 401 if (sdata->vif.type != NL80211_IFTYPE_NAN || 402 !ieee80211_sdata_running(sdata)) 403 return; 404 405 spin_lock_bh(&sdata->u.nan.func_lock); 406 407 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 408 if (func) 409 instance_id = func->instance_id; 410 411 spin_unlock_bh(&sdata->u.nan.func_lock); 412 413 if (instance_id) 414 drv_del_nan_func(sdata->local, sdata, instance_id); 415 } 416 417 static int ieee80211_set_noack_map(struct wiphy *wiphy, 418 struct net_device *dev, 419 u16 noack_map) 420 { 421 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 422 423 sdata->noack_map = noack_map; 424 425 ieee80211_check_fast_xmit_iface(sdata); 426 427 return 0; 428 } 429 430 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 431 const u8 *mac_addr, u8 key_idx) 432 { 433 struct ieee80211_local *local = sdata->local; 434 struct ieee80211_key *key; 435 struct sta_info *sta; 436 int ret = -EINVAL; 437 438 if (!wiphy_ext_feature_isset(local->hw.wiphy, 439 NL80211_EXT_FEATURE_EXT_KEY_ID)) 440 return -EINVAL; 441 442 sta = sta_info_get_bss(sdata, mac_addr); 443 444 if (!sta) 445 return -EINVAL; 446 447 if (sta->ptk_idx == key_idx) 448 return 0; 449 450 mutex_lock(&local->key_mtx); 451 key = key_mtx_dereference(local, sta->ptk[key_idx]); 452 453 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 454 ret = ieee80211_set_tx_key(key); 455 456 mutex_unlock(&local->key_mtx); 457 return ret; 458 } 459 460 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 461 int link_id, u8 key_idx, bool pairwise, 462 const u8 *mac_addr, struct key_params *params) 463 { 464 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 465 struct ieee80211_link_data *link = 466 ieee80211_link_or_deflink(sdata, link_id, false); 467 struct ieee80211_local *local = sdata->local; 468 struct sta_info *sta = NULL; 469 struct ieee80211_key *key; 470 int err; 471 472 if (!ieee80211_sdata_running(sdata)) 473 return -ENETDOWN; 474 475 if (IS_ERR(link)) 476 return PTR_ERR(link); 477 478 if (pairwise && params->mode == NL80211_KEY_SET_TX) 479 return ieee80211_set_tx(sdata, mac_addr, key_idx); 480 481 /* reject WEP and TKIP keys if WEP failed to initialize */ 482 switch (params->cipher) { 483 case WLAN_CIPHER_SUITE_WEP40: 484 case WLAN_CIPHER_SUITE_TKIP: 485 case WLAN_CIPHER_SUITE_WEP104: 486 if (link_id >= 0) 487 return -EINVAL; 488 if (WARN_ON_ONCE(fips_enabled)) 489 return -EINVAL; 490 break; 491 default: 492 break; 493 } 494 495 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 496 params->key, params->seq_len, params->seq); 497 if (IS_ERR(key)) 498 return PTR_ERR(key); 499 500 key->conf.link_id = link_id; 501 502 if (pairwise) 503 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 504 505 if (params->mode == NL80211_KEY_NO_TX) 506 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 507 508 mutex_lock(&local->sta_mtx); 509 510 if (mac_addr) { 511 sta = sta_info_get_bss(sdata, mac_addr); 512 /* 513 * The ASSOC test makes sure the driver is ready to 514 * receive the key. When wpa_supplicant has roamed 515 * using FT, it attempts to set the key before 516 * association has completed, this rejects that attempt 517 * so it will set the key again after association. 518 * 519 * TODO: accept the key if we have a station entry and 520 * add it to the device after the station. 521 */ 522 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 523 ieee80211_key_free_unused(key); 524 err = -ENOENT; 525 goto out_unlock; 526 } 527 } 528 529 switch (sdata->vif.type) { 530 case NL80211_IFTYPE_STATION: 531 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 532 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 533 break; 534 case NL80211_IFTYPE_AP: 535 case NL80211_IFTYPE_AP_VLAN: 536 /* Keys without a station are used for TX only */ 537 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 538 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 539 break; 540 case NL80211_IFTYPE_ADHOC: 541 /* no MFP (yet) */ 542 break; 543 case NL80211_IFTYPE_MESH_POINT: 544 #ifdef CONFIG_MAC80211_MESH 545 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 546 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 547 break; 548 #endif 549 case NL80211_IFTYPE_WDS: 550 case NL80211_IFTYPE_MONITOR: 551 case NL80211_IFTYPE_P2P_DEVICE: 552 case NL80211_IFTYPE_NAN: 553 case NL80211_IFTYPE_UNSPECIFIED: 554 case NUM_NL80211_IFTYPES: 555 case NL80211_IFTYPE_P2P_CLIENT: 556 case NL80211_IFTYPE_P2P_GO: 557 case NL80211_IFTYPE_OCB: 558 /* shouldn't happen */ 559 WARN_ON_ONCE(1); 560 break; 561 } 562 563 err = ieee80211_key_link(key, link, sta); 564 565 out_unlock: 566 mutex_unlock(&local->sta_mtx); 567 568 return err; 569 } 570 571 static struct ieee80211_key * 572 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id, 573 u8 key_idx, bool pairwise, const u8 *mac_addr) 574 { 575 struct ieee80211_local *local = sdata->local; 576 struct ieee80211_link_data *link = &sdata->deflink; 577 struct ieee80211_key *key; 578 579 if (link_id >= 0) { 580 link = rcu_dereference_check(sdata->link[link_id], 581 lockdep_is_held(&sdata->wdev.mtx)); 582 if (!link) 583 return NULL; 584 } 585 586 if (mac_addr) { 587 struct sta_info *sta; 588 struct link_sta_info *link_sta; 589 590 sta = sta_info_get_bss(sdata, mac_addr); 591 if (!sta) 592 return NULL; 593 594 if (link_id >= 0) { 595 link_sta = rcu_dereference_check(sta->link[link_id], 596 lockdep_is_held(&local->sta_mtx)); 597 if (!link_sta) 598 return NULL; 599 } else { 600 link_sta = &sta->deflink; 601 } 602 603 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 604 return rcu_dereference_check_key_mtx(local, 605 sta->ptk[key_idx]); 606 607 if (!pairwise && 608 key_idx < NUM_DEFAULT_KEYS + 609 NUM_DEFAULT_MGMT_KEYS + 610 NUM_DEFAULT_BEACON_KEYS) 611 return rcu_dereference_check_key_mtx(local, 612 link_sta->gtk[key_idx]); 613 614 return NULL; 615 } 616 617 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 618 return rcu_dereference_check_key_mtx(local, 619 sdata->keys[key_idx]); 620 621 key = rcu_dereference_check_key_mtx(local, link->gtk[key_idx]); 622 if (key) 623 return key; 624 625 /* or maybe it was a WEP key */ 626 if (key_idx < NUM_DEFAULT_KEYS) 627 return rcu_dereference_check_key_mtx(local, sdata->keys[key_idx]); 628 629 return NULL; 630 } 631 632 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 633 int link_id, u8 key_idx, bool pairwise, 634 const u8 *mac_addr) 635 { 636 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 637 struct ieee80211_local *local = sdata->local; 638 struct ieee80211_key *key; 639 int ret; 640 641 mutex_lock(&local->sta_mtx); 642 mutex_lock(&local->key_mtx); 643 644 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 645 if (!key) { 646 ret = -ENOENT; 647 goto out_unlock; 648 } 649 650 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 651 652 ret = 0; 653 out_unlock: 654 mutex_unlock(&local->key_mtx); 655 mutex_unlock(&local->sta_mtx); 656 657 return ret; 658 } 659 660 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 661 int link_id, u8 key_idx, bool pairwise, 662 const u8 *mac_addr, void *cookie, 663 void (*callback)(void *cookie, 664 struct key_params *params)) 665 { 666 struct ieee80211_sub_if_data *sdata; 667 u8 seq[6] = {0}; 668 struct key_params params; 669 struct ieee80211_key *key; 670 u64 pn64; 671 u32 iv32; 672 u16 iv16; 673 int err = -ENOENT; 674 struct ieee80211_key_seq kseq = {}; 675 676 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 677 678 rcu_read_lock(); 679 680 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 681 if (!key) 682 goto out; 683 684 memset(¶ms, 0, sizeof(params)); 685 686 params.cipher = key->conf.cipher; 687 688 switch (key->conf.cipher) { 689 case WLAN_CIPHER_SUITE_TKIP: 690 pn64 = atomic64_read(&key->conf.tx_pn); 691 iv32 = TKIP_PN_TO_IV32(pn64); 692 iv16 = TKIP_PN_TO_IV16(pn64); 693 694 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 695 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 696 drv_get_key_seq(sdata->local, key, &kseq); 697 iv32 = kseq.tkip.iv32; 698 iv16 = kseq.tkip.iv16; 699 } 700 701 seq[0] = iv16 & 0xff; 702 seq[1] = (iv16 >> 8) & 0xff; 703 seq[2] = iv32 & 0xff; 704 seq[3] = (iv32 >> 8) & 0xff; 705 seq[4] = (iv32 >> 16) & 0xff; 706 seq[5] = (iv32 >> 24) & 0xff; 707 params.seq = seq; 708 params.seq_len = 6; 709 break; 710 case WLAN_CIPHER_SUITE_CCMP: 711 case WLAN_CIPHER_SUITE_CCMP_256: 712 case WLAN_CIPHER_SUITE_AES_CMAC: 713 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 714 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 715 offsetof(typeof(kseq), aes_cmac)); 716 fallthrough; 717 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 718 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 719 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 720 offsetof(typeof(kseq), aes_gmac)); 721 fallthrough; 722 case WLAN_CIPHER_SUITE_GCMP: 723 case WLAN_CIPHER_SUITE_GCMP_256: 724 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 725 offsetof(typeof(kseq), gcmp)); 726 727 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 728 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 729 drv_get_key_seq(sdata->local, key, &kseq); 730 memcpy(seq, kseq.ccmp.pn, 6); 731 } else { 732 pn64 = atomic64_read(&key->conf.tx_pn); 733 seq[0] = pn64; 734 seq[1] = pn64 >> 8; 735 seq[2] = pn64 >> 16; 736 seq[3] = pn64 >> 24; 737 seq[4] = pn64 >> 32; 738 seq[5] = pn64 >> 40; 739 } 740 params.seq = seq; 741 params.seq_len = 6; 742 break; 743 default: 744 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 745 break; 746 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 747 break; 748 drv_get_key_seq(sdata->local, key, &kseq); 749 params.seq = kseq.hw.seq; 750 params.seq_len = kseq.hw.seq_len; 751 break; 752 } 753 754 params.key = key->conf.key; 755 params.key_len = key->conf.keylen; 756 757 callback(cookie, ¶ms); 758 err = 0; 759 760 out: 761 rcu_read_unlock(); 762 return err; 763 } 764 765 static int ieee80211_config_default_key(struct wiphy *wiphy, 766 struct net_device *dev, 767 int link_id, u8 key_idx, bool uni, 768 bool multi) 769 { 770 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 771 struct ieee80211_link_data *link = 772 ieee80211_link_or_deflink(sdata, link_id, false); 773 774 if (IS_ERR(link)) 775 return PTR_ERR(link); 776 777 ieee80211_set_default_key(link, key_idx, uni, multi); 778 779 return 0; 780 } 781 782 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 783 struct net_device *dev, 784 int link_id, u8 key_idx) 785 { 786 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 787 struct ieee80211_link_data *link = 788 ieee80211_link_or_deflink(sdata, link_id, true); 789 790 if (IS_ERR(link)) 791 return PTR_ERR(link); 792 793 ieee80211_set_default_mgmt_key(link, key_idx); 794 795 return 0; 796 } 797 798 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 799 struct net_device *dev, 800 int link_id, u8 key_idx) 801 { 802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 803 struct ieee80211_link_data *link = 804 ieee80211_link_or_deflink(sdata, link_id, true); 805 806 if (IS_ERR(link)) 807 return PTR_ERR(link); 808 809 ieee80211_set_default_beacon_key(link, key_idx); 810 811 return 0; 812 } 813 814 void sta_set_rate_info_tx(struct sta_info *sta, 815 const struct ieee80211_tx_rate *rate, 816 struct rate_info *rinfo) 817 { 818 rinfo->flags = 0; 819 if (rate->flags & IEEE80211_TX_RC_MCS) { 820 rinfo->flags |= RATE_INFO_FLAGS_MCS; 821 rinfo->mcs = rate->idx; 822 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 823 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 824 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 825 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 826 } else { 827 struct ieee80211_supported_band *sband; 828 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 829 u16 brate; 830 831 sband = ieee80211_get_sband(sta->sdata); 832 WARN_ON_ONCE(sband && !sband->bitrates); 833 if (sband && sband->bitrates) { 834 brate = sband->bitrates[rate->idx].bitrate; 835 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 836 } 837 } 838 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 839 rinfo->bw = RATE_INFO_BW_40; 840 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 841 rinfo->bw = RATE_INFO_BW_80; 842 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 843 rinfo->bw = RATE_INFO_BW_160; 844 else 845 rinfo->bw = RATE_INFO_BW_20; 846 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 847 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 848 } 849 850 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 851 int idx, u8 *mac, struct station_info *sinfo) 852 { 853 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 854 struct ieee80211_local *local = sdata->local; 855 struct sta_info *sta; 856 int ret = -ENOENT; 857 858 mutex_lock(&local->sta_mtx); 859 860 sta = sta_info_get_by_idx(sdata, idx); 861 if (sta) { 862 ret = 0; 863 memcpy(mac, sta->sta.addr, ETH_ALEN); 864 sta_set_sinfo(sta, sinfo, true); 865 } 866 867 mutex_unlock(&local->sta_mtx); 868 869 return ret; 870 } 871 872 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 873 int idx, struct survey_info *survey) 874 { 875 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 876 877 return drv_get_survey(local, idx, survey); 878 } 879 880 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 881 const u8 *mac, struct station_info *sinfo) 882 { 883 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 884 struct ieee80211_local *local = sdata->local; 885 struct sta_info *sta; 886 int ret = -ENOENT; 887 888 mutex_lock(&local->sta_mtx); 889 890 sta = sta_info_get_bss(sdata, mac); 891 if (sta) { 892 ret = 0; 893 sta_set_sinfo(sta, sinfo, true); 894 } 895 896 mutex_unlock(&local->sta_mtx); 897 898 return ret; 899 } 900 901 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 902 struct cfg80211_chan_def *chandef) 903 { 904 struct ieee80211_local *local = wiphy_priv(wiphy); 905 struct ieee80211_sub_if_data *sdata; 906 int ret = 0; 907 908 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 909 return 0; 910 911 mutex_lock(&local->mtx); 912 if (local->use_chanctx) { 913 sdata = wiphy_dereference(local->hw.wiphy, 914 local->monitor_sdata); 915 if (sdata) { 916 ieee80211_link_release_channel(&sdata->deflink); 917 ret = ieee80211_link_use_channel(&sdata->deflink, 918 chandef, 919 IEEE80211_CHANCTX_EXCLUSIVE); 920 } 921 } else if (local->open_count == local->monitors) { 922 local->_oper_chandef = *chandef; 923 ieee80211_hw_config(local, 0); 924 } 925 926 if (ret == 0) 927 local->monitor_chandef = *chandef; 928 mutex_unlock(&local->mtx); 929 930 return ret; 931 } 932 933 static int 934 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 935 const u8 *resp, size_t resp_len, 936 const struct ieee80211_csa_settings *csa, 937 const struct ieee80211_color_change_settings *cca, 938 struct ieee80211_link_data *link) 939 { 940 struct probe_resp *new, *old; 941 942 if (!resp || !resp_len) 943 return 1; 944 945 old = sdata_dereference(link->u.ap.probe_resp, sdata); 946 947 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 948 if (!new) 949 return -ENOMEM; 950 951 new->len = resp_len; 952 memcpy(new->data, resp, resp_len); 953 954 if (csa) 955 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 956 csa->n_counter_offsets_presp * 957 sizeof(new->cntdwn_counter_offsets[0])); 958 else if (cca) 959 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp; 960 961 rcu_assign_pointer(link->u.ap.probe_resp, new); 962 if (old) 963 kfree_rcu(old, rcu_head); 964 965 return 0; 966 } 967 968 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 969 struct cfg80211_fils_discovery *params, 970 struct ieee80211_link_data *link, 971 struct ieee80211_bss_conf *link_conf) 972 { 973 struct fils_discovery_data *new, *old = NULL; 974 struct ieee80211_fils_discovery *fd; 975 976 if (!params->tmpl || !params->tmpl_len) 977 return -EINVAL; 978 979 fd = &link_conf->fils_discovery; 980 fd->min_interval = params->min_interval; 981 fd->max_interval = params->max_interval; 982 983 old = sdata_dereference(link->u.ap.fils_discovery, sdata); 984 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 985 if (!new) 986 return -ENOMEM; 987 new->len = params->tmpl_len; 988 memcpy(new->data, params->tmpl, params->tmpl_len); 989 rcu_assign_pointer(link->u.ap.fils_discovery, new); 990 991 if (old) 992 kfree_rcu(old, rcu_head); 993 994 return 0; 995 } 996 997 static int 998 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 999 struct cfg80211_unsol_bcast_probe_resp *params, 1000 struct ieee80211_link_data *link, 1001 struct ieee80211_bss_conf *link_conf) 1002 { 1003 struct unsol_bcast_probe_resp_data *new, *old = NULL; 1004 1005 if (!params->tmpl || !params->tmpl_len) 1006 return -EINVAL; 1007 1008 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); 1009 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1010 if (!new) 1011 return -ENOMEM; 1012 new->len = params->tmpl_len; 1013 memcpy(new->data, params->tmpl, params->tmpl_len); 1014 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new); 1015 1016 if (old) 1017 kfree_rcu(old, rcu_head); 1018 1019 link_conf->unsol_bcast_probe_resp_interval = params->interval; 1020 1021 return 0; 1022 } 1023 1024 static int ieee80211_set_ftm_responder_params( 1025 struct ieee80211_sub_if_data *sdata, 1026 const u8 *lci, size_t lci_len, 1027 const u8 *civicloc, size_t civicloc_len, 1028 struct ieee80211_bss_conf *link_conf) 1029 { 1030 struct ieee80211_ftm_responder_params *new, *old; 1031 u8 *pos; 1032 int len; 1033 1034 if (!lci_len && !civicloc_len) 1035 return 0; 1036 1037 old = link_conf->ftmr_params; 1038 len = lci_len + civicloc_len; 1039 1040 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 1041 if (!new) 1042 return -ENOMEM; 1043 1044 pos = (u8 *)(new + 1); 1045 if (lci_len) { 1046 new->lci_len = lci_len; 1047 new->lci = pos; 1048 memcpy(pos, lci, lci_len); 1049 pos += lci_len; 1050 } 1051 1052 if (civicloc_len) { 1053 new->civicloc_len = civicloc_len; 1054 new->civicloc = pos; 1055 memcpy(pos, civicloc, civicloc_len); 1056 pos += civicloc_len; 1057 } 1058 1059 link_conf->ftmr_params = new; 1060 kfree(old); 1061 1062 return 0; 1063 } 1064 1065 static int 1066 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst, 1067 struct cfg80211_mbssid_elems *src) 1068 { 1069 int i, offset = 0; 1070 1071 for (i = 0; i < src->cnt; i++) { 1072 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1073 dst->elem[i].len = src->elem[i].len; 1074 dst->elem[i].data = pos + offset; 1075 offset += dst->elem[i].len; 1076 } 1077 dst->cnt = src->cnt; 1078 1079 return offset; 1080 } 1081 1082 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 1083 struct ieee80211_link_data *link, 1084 struct cfg80211_beacon_data *params, 1085 const struct ieee80211_csa_settings *csa, 1086 const struct ieee80211_color_change_settings *cca) 1087 { 1088 struct cfg80211_mbssid_elems *mbssid = NULL; 1089 struct beacon_data *new, *old; 1090 int new_head_len, new_tail_len; 1091 int size, err; 1092 u32 changed = BSS_CHANGED_BEACON; 1093 struct ieee80211_bss_conf *link_conf = link->conf; 1094 1095 old = sdata_dereference(link->u.ap.beacon, sdata); 1096 1097 /* Need to have a beacon head if we don't have one yet */ 1098 if (!params->head && !old) 1099 return -EINVAL; 1100 1101 /* new or old head? */ 1102 if (params->head) 1103 new_head_len = params->head_len; 1104 else 1105 new_head_len = old->head_len; 1106 1107 /* new or old tail? */ 1108 if (params->tail || !old) 1109 /* params->tail_len will be zero for !params->tail */ 1110 new_tail_len = params->tail_len; 1111 else 1112 new_tail_len = old->tail_len; 1113 1114 size = sizeof(*new) + new_head_len + new_tail_len; 1115 1116 /* new or old multiple BSSID elements? */ 1117 if (params->mbssid_ies) { 1118 mbssid = params->mbssid_ies; 1119 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1120 size += ieee80211_get_mbssid_beacon_len(mbssid); 1121 } else if (old && old->mbssid_ies) { 1122 mbssid = old->mbssid_ies; 1123 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1124 size += ieee80211_get_mbssid_beacon_len(mbssid); 1125 } 1126 1127 new = kzalloc(size, GFP_KERNEL); 1128 if (!new) 1129 return -ENOMEM; 1130 1131 /* start filling the new info now */ 1132 1133 /* 1134 * pointers go into the block we allocated, 1135 * memory is | beacon_data | head | tail | mbssid_ies 1136 */ 1137 new->head = ((u8 *) new) + sizeof(*new); 1138 new->tail = new->head + new_head_len; 1139 new->head_len = new_head_len; 1140 new->tail_len = new_tail_len; 1141 /* copy in optional mbssid_ies */ 1142 if (mbssid) { 1143 u8 *pos = new->tail + new->tail_len; 1144 1145 new->mbssid_ies = (void *)pos; 1146 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1147 ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, mbssid); 1148 /* update bssid_indicator */ 1149 link_conf->bssid_indicator = 1150 ilog2(__roundup_pow_of_two(mbssid->cnt + 1)); 1151 } 1152 1153 if (csa) { 1154 new->cntdwn_current_counter = csa->count; 1155 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1156 csa->n_counter_offsets_beacon * 1157 sizeof(new->cntdwn_counter_offsets[0])); 1158 } else if (cca) { 1159 new->cntdwn_current_counter = cca->count; 1160 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon; 1161 } 1162 1163 /* copy in head */ 1164 if (params->head) 1165 memcpy(new->head, params->head, new_head_len); 1166 else 1167 memcpy(new->head, old->head, new_head_len); 1168 1169 /* copy in optional tail */ 1170 if (params->tail) 1171 memcpy(new->tail, params->tail, new_tail_len); 1172 else 1173 if (old) 1174 memcpy(new->tail, old->tail, new_tail_len); 1175 1176 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1177 params->probe_resp_len, csa, cca, link); 1178 if (err < 0) { 1179 kfree(new); 1180 return err; 1181 } 1182 if (err == 0) 1183 changed |= BSS_CHANGED_AP_PROBE_RESP; 1184 1185 if (params->ftm_responder != -1) { 1186 link_conf->ftm_responder = params->ftm_responder; 1187 err = ieee80211_set_ftm_responder_params(sdata, 1188 params->lci, 1189 params->lci_len, 1190 params->civicloc, 1191 params->civicloc_len, 1192 link_conf); 1193 1194 if (err < 0) { 1195 kfree(new); 1196 return err; 1197 } 1198 1199 changed |= BSS_CHANGED_FTM_RESPONDER; 1200 } 1201 1202 rcu_assign_pointer(link->u.ap.beacon, new); 1203 sdata->u.ap.active = true; 1204 1205 if (old) 1206 kfree_rcu(old, rcu_head); 1207 1208 return changed; 1209 } 1210 1211 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1212 struct cfg80211_ap_settings *params) 1213 { 1214 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1215 struct ieee80211_local *local = sdata->local; 1216 struct beacon_data *old; 1217 struct ieee80211_sub_if_data *vlan; 1218 u32 changed = BSS_CHANGED_BEACON_INT | 1219 BSS_CHANGED_BEACON_ENABLED | 1220 BSS_CHANGED_BEACON | 1221 BSS_CHANGED_P2P_PS | 1222 BSS_CHANGED_TXPOWER | 1223 BSS_CHANGED_TWT; 1224 int i, err; 1225 int prev_beacon_int; 1226 unsigned int link_id = params->beacon.link_id; 1227 struct ieee80211_link_data *link; 1228 struct ieee80211_bss_conf *link_conf; 1229 1230 link = sdata_dereference(sdata->link[link_id], sdata); 1231 if (!link) 1232 return -ENOLINK; 1233 1234 link_conf = link->conf; 1235 1236 old = sdata_dereference(link->u.ap.beacon, sdata); 1237 if (old) 1238 return -EALREADY; 1239 1240 if (params->smps_mode != NL80211_SMPS_OFF) 1241 return -ENOTSUPP; 1242 1243 link->smps_mode = IEEE80211_SMPS_OFF; 1244 1245 link->needed_rx_chains = sdata->local->rx_chains; 1246 1247 prev_beacon_int = link_conf->beacon_int; 1248 link_conf->beacon_int = params->beacon_interval; 1249 1250 if (params->he_cap && params->he_oper) { 1251 link_conf->he_support = true; 1252 link_conf->htc_trig_based_pkt_ext = 1253 le32_get_bits(params->he_oper->he_oper_params, 1254 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1255 link_conf->frame_time_rts_th = 1256 le32_get_bits(params->he_oper->he_oper_params, 1257 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1258 changed |= BSS_CHANGED_HE_OBSS_PD; 1259 1260 if (params->beacon.he_bss_color.enabled) 1261 changed |= BSS_CHANGED_HE_BSS_COLOR; 1262 } 1263 1264 if (sdata->vif.type == NL80211_IFTYPE_AP && 1265 params->mbssid_config.tx_wdev) { 1266 err = ieee80211_set_ap_mbssid_options(sdata, 1267 params->mbssid_config, 1268 link_conf); 1269 if (err) 1270 return err; 1271 } 1272 1273 mutex_lock(&local->mtx); 1274 err = ieee80211_link_use_channel(link, ¶ms->chandef, 1275 IEEE80211_CHANCTX_SHARED); 1276 if (!err) 1277 ieee80211_link_copy_chanctx_to_vlans(link, false); 1278 mutex_unlock(&local->mtx); 1279 if (err) { 1280 link_conf->beacon_int = prev_beacon_int; 1281 return err; 1282 } 1283 1284 /* 1285 * Apply control port protocol, this allows us to 1286 * not encrypt dynamic WEP control frames. 1287 */ 1288 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1289 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1290 sdata->control_port_over_nl80211 = 1291 params->crypto.control_port_over_nl80211; 1292 sdata->control_port_no_preauth = 1293 params->crypto.control_port_no_preauth; 1294 1295 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1296 vlan->control_port_protocol = 1297 params->crypto.control_port_ethertype; 1298 vlan->control_port_no_encrypt = 1299 params->crypto.control_port_no_encrypt; 1300 vlan->control_port_over_nl80211 = 1301 params->crypto.control_port_over_nl80211; 1302 vlan->control_port_no_preauth = 1303 params->crypto.control_port_no_preauth; 1304 } 1305 1306 link_conf->dtim_period = params->dtim_period; 1307 link_conf->enable_beacon = true; 1308 link_conf->allow_p2p_go_ps = sdata->vif.p2p; 1309 link_conf->twt_responder = params->twt_responder; 1310 link_conf->he_obss_pd = params->he_obss_pd; 1311 link_conf->he_bss_color = params->beacon.he_bss_color; 1312 sdata->vif.cfg.s1g = params->chandef.chan->band == 1313 NL80211_BAND_S1GHZ; 1314 1315 sdata->vif.cfg.ssid_len = params->ssid_len; 1316 if (params->ssid_len) 1317 memcpy(sdata->vif.cfg.ssid, params->ssid, 1318 params->ssid_len); 1319 link_conf->hidden_ssid = 1320 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1321 1322 memset(&link_conf->p2p_noa_attr, 0, 1323 sizeof(link_conf->p2p_noa_attr)); 1324 link_conf->p2p_noa_attr.oppps_ctwindow = 1325 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1326 if (params->p2p_opp_ps) 1327 link_conf->p2p_noa_attr.oppps_ctwindow |= 1328 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1329 1330 sdata->beacon_rate_set = false; 1331 if (wiphy_ext_feature_isset(local->hw.wiphy, 1332 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1333 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1334 sdata->beacon_rateidx_mask[i] = 1335 params->beacon_rate.control[i].legacy; 1336 if (sdata->beacon_rateidx_mask[i]) 1337 sdata->beacon_rate_set = true; 1338 } 1339 } 1340 1341 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1342 link_conf->beacon_tx_rate = params->beacon_rate; 1343 1344 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL); 1345 if (err < 0) 1346 goto error; 1347 changed |= err; 1348 1349 if (params->fils_discovery.max_interval) { 1350 err = ieee80211_set_fils_discovery(sdata, 1351 ¶ms->fils_discovery, 1352 link, link_conf); 1353 if (err < 0) 1354 goto error; 1355 changed |= BSS_CHANGED_FILS_DISCOVERY; 1356 } 1357 1358 if (params->unsol_bcast_probe_resp.interval) { 1359 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1360 ¶ms->unsol_bcast_probe_resp, 1361 link, link_conf); 1362 if (err < 0) 1363 goto error; 1364 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1365 } 1366 1367 err = drv_start_ap(sdata->local, sdata, link_conf); 1368 if (err) { 1369 old = sdata_dereference(link->u.ap.beacon, sdata); 1370 1371 if (old) 1372 kfree_rcu(old, rcu_head); 1373 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1374 sdata->u.ap.active = false; 1375 goto error; 1376 } 1377 1378 ieee80211_recalc_dtim(local, sdata); 1379 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID); 1380 ieee80211_link_info_change_notify(sdata, link, changed); 1381 1382 netif_carrier_on(dev); 1383 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1384 netif_carrier_on(vlan->dev); 1385 1386 return 0; 1387 1388 error: 1389 mutex_lock(&local->mtx); 1390 ieee80211_link_release_channel(link); 1391 mutex_unlock(&local->mtx); 1392 1393 return err; 1394 } 1395 1396 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1397 struct cfg80211_beacon_data *params) 1398 { 1399 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1400 struct ieee80211_link_data *link; 1401 struct beacon_data *old; 1402 int err; 1403 struct ieee80211_bss_conf *link_conf; 1404 1405 sdata_assert_lock(sdata); 1406 1407 link = sdata_dereference(sdata->link[params->link_id], sdata); 1408 if (!link) 1409 return -ENOLINK; 1410 1411 link_conf = link->conf; 1412 1413 /* don't allow changing the beacon while a countdown is in place - offset 1414 * of channel switch counter may change 1415 */ 1416 if (link_conf->csa_active || link_conf->color_change_active) 1417 return -EBUSY; 1418 1419 old = sdata_dereference(link->u.ap.beacon, sdata); 1420 if (!old) 1421 return -ENOENT; 1422 1423 err = ieee80211_assign_beacon(sdata, link, params, NULL, NULL); 1424 if (err < 0) 1425 return err; 1426 1427 if (params->he_bss_color_valid && 1428 params->he_bss_color.enabled != link_conf->he_bss_color.enabled) { 1429 link_conf->he_bss_color.enabled = params->he_bss_color.enabled; 1430 err |= BSS_CHANGED_HE_BSS_COLOR; 1431 } 1432 1433 ieee80211_link_info_change_notify(sdata, link, err); 1434 return 0; 1435 } 1436 1437 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link) 1438 { 1439 if (!link->u.ap.next_beacon) 1440 return; 1441 1442 kfree(link->u.ap.next_beacon->mbssid_ies); 1443 kfree(link->u.ap.next_beacon); 1444 link->u.ap.next_beacon = NULL; 1445 } 1446 1447 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 1448 unsigned int link_id) 1449 { 1450 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1451 struct ieee80211_sub_if_data *vlan; 1452 struct ieee80211_local *local = sdata->local; 1453 struct beacon_data *old_beacon; 1454 struct probe_resp *old_probe_resp; 1455 struct fils_discovery_data *old_fils_discovery; 1456 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1457 struct cfg80211_chan_def chandef; 1458 struct ieee80211_link_data *link = 1459 sdata_dereference(sdata->link[link_id], sdata); 1460 struct ieee80211_bss_conf *link_conf = link->conf; 1461 1462 sdata_assert_lock(sdata); 1463 1464 old_beacon = sdata_dereference(link->u.ap.beacon, sdata); 1465 if (!old_beacon) 1466 return -ENOENT; 1467 old_probe_resp = sdata_dereference(link->u.ap.probe_resp, 1468 sdata); 1469 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery, 1470 sdata); 1471 old_unsol_bcast_probe_resp = 1472 sdata_dereference(link->u.ap.unsol_bcast_probe_resp, 1473 sdata); 1474 1475 /* abort any running channel switch */ 1476 mutex_lock(&local->mtx); 1477 link_conf->csa_active = false; 1478 if (link->csa_block_tx) { 1479 ieee80211_wake_vif_queues(local, sdata, 1480 IEEE80211_QUEUE_STOP_REASON_CSA); 1481 link->csa_block_tx = false; 1482 } 1483 1484 mutex_unlock(&local->mtx); 1485 1486 ieee80211_free_next_beacon(link); 1487 1488 /* turn off carrier for this interface and dependent VLANs */ 1489 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1490 netif_carrier_off(vlan->dev); 1491 netif_carrier_off(dev); 1492 1493 /* remove beacon and probe response */ 1494 sdata->u.ap.active = false; 1495 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1496 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL); 1497 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1498 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1499 kfree_rcu(old_beacon, rcu_head); 1500 if (old_probe_resp) 1501 kfree_rcu(old_probe_resp, rcu_head); 1502 if (old_fils_discovery) 1503 kfree_rcu(old_fils_discovery, rcu_head); 1504 if (old_unsol_bcast_probe_resp) 1505 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1506 1507 kfree(link_conf->ftmr_params); 1508 link_conf->ftmr_params = NULL; 1509 1510 __sta_info_flush(sdata, true); 1511 ieee80211_free_keys(sdata, true); 1512 1513 link_conf->enable_beacon = false; 1514 sdata->beacon_rate_set = false; 1515 sdata->vif.cfg.ssid_len = 0; 1516 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1517 ieee80211_link_info_change_notify(sdata, link, 1518 BSS_CHANGED_BEACON_ENABLED); 1519 1520 if (sdata->wdev.cac_started) { 1521 chandef = link_conf->chandef; 1522 cancel_delayed_work_sync(&link->dfs_cac_timer_work); 1523 cfg80211_cac_event(sdata->dev, &chandef, 1524 NL80211_RADAR_CAC_ABORTED, 1525 GFP_KERNEL); 1526 } 1527 1528 drv_stop_ap(sdata->local, sdata, link_conf); 1529 1530 /* free all potentially still buffered bcast frames */ 1531 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1532 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1533 1534 mutex_lock(&local->mtx); 1535 ieee80211_link_copy_chanctx_to_vlans(link, true); 1536 ieee80211_link_release_channel(link); 1537 mutex_unlock(&local->mtx); 1538 1539 return 0; 1540 } 1541 1542 static int sta_apply_auth_flags(struct ieee80211_local *local, 1543 struct sta_info *sta, 1544 u32 mask, u32 set) 1545 { 1546 int ret; 1547 1548 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1549 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1550 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1551 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1552 if (ret) 1553 return ret; 1554 } 1555 1556 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1557 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1558 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1559 /* 1560 * When peer becomes associated, init rate control as 1561 * well. Some drivers require rate control initialized 1562 * before drv_sta_state() is called. 1563 */ 1564 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1565 rate_control_rate_init(sta); 1566 1567 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1568 if (ret) 1569 return ret; 1570 } 1571 1572 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1573 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1574 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1575 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1576 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1577 else 1578 ret = 0; 1579 if (ret) 1580 return ret; 1581 } 1582 1583 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1584 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1585 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1586 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1587 if (ret) 1588 return ret; 1589 } 1590 1591 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1592 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1593 test_sta_flag(sta, WLAN_STA_AUTH)) { 1594 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1595 if (ret) 1596 return ret; 1597 } 1598 1599 return 0; 1600 } 1601 1602 static void sta_apply_mesh_params(struct ieee80211_local *local, 1603 struct sta_info *sta, 1604 struct station_parameters *params) 1605 { 1606 #ifdef CONFIG_MAC80211_MESH 1607 struct ieee80211_sub_if_data *sdata = sta->sdata; 1608 u32 changed = 0; 1609 1610 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1611 switch (params->plink_state) { 1612 case NL80211_PLINK_ESTAB: 1613 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1614 changed = mesh_plink_inc_estab_count(sdata); 1615 sta->mesh->plink_state = params->plink_state; 1616 sta->mesh->aid = params->peer_aid; 1617 1618 ieee80211_mps_sta_status_update(sta); 1619 changed |= ieee80211_mps_set_sta_local_pm(sta, 1620 sdata->u.mesh.mshcfg.power_mode); 1621 1622 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 1623 /* init at low value */ 1624 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 1625 1626 break; 1627 case NL80211_PLINK_LISTEN: 1628 case NL80211_PLINK_BLOCKED: 1629 case NL80211_PLINK_OPN_SNT: 1630 case NL80211_PLINK_OPN_RCVD: 1631 case NL80211_PLINK_CNF_RCVD: 1632 case NL80211_PLINK_HOLDING: 1633 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1634 changed = mesh_plink_dec_estab_count(sdata); 1635 sta->mesh->plink_state = params->plink_state; 1636 1637 ieee80211_mps_sta_status_update(sta); 1638 changed |= ieee80211_mps_set_sta_local_pm(sta, 1639 NL80211_MESH_POWER_UNKNOWN); 1640 break; 1641 default: 1642 /* nothing */ 1643 break; 1644 } 1645 } 1646 1647 switch (params->plink_action) { 1648 case NL80211_PLINK_ACTION_NO_ACTION: 1649 /* nothing */ 1650 break; 1651 case NL80211_PLINK_ACTION_OPEN: 1652 changed |= mesh_plink_open(sta); 1653 break; 1654 case NL80211_PLINK_ACTION_BLOCK: 1655 changed |= mesh_plink_block(sta); 1656 break; 1657 } 1658 1659 if (params->local_pm) 1660 changed |= ieee80211_mps_set_sta_local_pm(sta, 1661 params->local_pm); 1662 1663 ieee80211_mbss_info_change_notify(sdata, changed); 1664 #endif 1665 } 1666 1667 static int sta_link_apply_parameters(struct ieee80211_local *local, 1668 struct sta_info *sta, bool new_link, 1669 struct link_station_parameters *params) 1670 { 1671 int ret = 0; 1672 struct ieee80211_supported_band *sband; 1673 struct ieee80211_sub_if_data *sdata = sta->sdata; 1674 u32 link_id = params->link_id < 0 ? 0 : params->link_id; 1675 struct ieee80211_link_data *link = 1676 sdata_dereference(sdata->link[link_id], sdata); 1677 struct link_sta_info *link_sta = 1678 rcu_dereference_protected(sta->link[link_id], 1679 lockdep_is_held(&local->sta_mtx)); 1680 1681 /* 1682 * If there are no changes, then accept a link that doesn't exist, 1683 * unless it's a new link. 1684 */ 1685 if (params->link_id < 0 && !new_link && 1686 !params->link_mac && !params->txpwr_set && 1687 !params->supported_rates_len && 1688 !params->ht_capa && !params->vht_capa && 1689 !params->he_capa && !params->eht_capa && 1690 !params->opmode_notif_used) 1691 return 0; 1692 1693 if (!link || !link_sta) 1694 return -EINVAL; 1695 1696 sband = ieee80211_get_link_sband(link); 1697 if (!sband) 1698 return -EINVAL; 1699 1700 if (params->link_mac) { 1701 if (new_link) { 1702 memcpy(link_sta->addr, params->link_mac, ETH_ALEN); 1703 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN); 1704 } else if (!ether_addr_equal(link_sta->addr, 1705 params->link_mac)) { 1706 return -EINVAL; 1707 } 1708 } else if (new_link) { 1709 return -EINVAL; 1710 } 1711 1712 if (params->txpwr_set) { 1713 link_sta->pub->txpwr.type = params->txpwr.type; 1714 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 1715 link_sta->pub->txpwr.power = params->txpwr.power; 1716 ret = drv_sta_set_txpwr(local, sdata, sta); 1717 if (ret) 1718 return ret; 1719 } 1720 1721 if (params->supported_rates && 1722 params->supported_rates_len) { 1723 ieee80211_parse_bitrates(link->conf->chandef.width, 1724 sband, params->supported_rates, 1725 params->supported_rates_len, 1726 &link_sta->pub->supp_rates[sband->band]); 1727 } 1728 1729 if (params->ht_capa) 1730 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1731 params->ht_capa, link_sta); 1732 1733 /* VHT can override some HT caps such as the A-MSDU max length */ 1734 if (params->vht_capa) 1735 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1736 params->vht_capa, link_sta); 1737 1738 if (params->he_capa) 1739 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 1740 (void *)params->he_capa, 1741 params->he_capa_len, 1742 (void *)params->he_6ghz_capa, 1743 link_sta); 1744 1745 if (params->eht_capa) 1746 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, 1747 (u8 *)params->he_capa, 1748 params->he_capa_len, 1749 params->eht_capa, 1750 params->eht_capa_len, 1751 link_sta); 1752 1753 if (params->opmode_notif_used) { 1754 /* returned value is only needed for rc update, but the 1755 * rc isn't initialized here yet, so ignore it 1756 */ 1757 __ieee80211_vht_handle_opmode(sdata, link_sta, 1758 params->opmode_notif, 1759 sband->band); 1760 } 1761 1762 return ret; 1763 } 1764 1765 static int sta_apply_parameters(struct ieee80211_local *local, 1766 struct sta_info *sta, 1767 struct station_parameters *params) 1768 { 1769 struct ieee80211_sub_if_data *sdata = sta->sdata; 1770 u32 mask, set; 1771 int ret = 0; 1772 1773 mask = params->sta_flags_mask; 1774 set = params->sta_flags_set; 1775 1776 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1777 /* 1778 * In mesh mode, ASSOCIATED isn't part of the nl80211 1779 * API but must follow AUTHENTICATED for driver state. 1780 */ 1781 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1782 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1783 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1784 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1785 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1786 /* 1787 * TDLS -- everything follows authorized, but 1788 * only becoming authorized is possible, not 1789 * going back 1790 */ 1791 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1792 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1793 BIT(NL80211_STA_FLAG_ASSOCIATED); 1794 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1795 BIT(NL80211_STA_FLAG_ASSOCIATED); 1796 } 1797 } 1798 1799 if (mask & BIT(NL80211_STA_FLAG_WME) && 1800 local->hw.queues >= IEEE80211_NUM_ACS) 1801 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1802 1803 /* auth flags will be set later for TDLS, 1804 * and for unassociated stations that move to associated */ 1805 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1806 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1807 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1808 ret = sta_apply_auth_flags(local, sta, mask, set); 1809 if (ret) 1810 return ret; 1811 } 1812 1813 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1814 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1815 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1816 else 1817 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1818 } 1819 1820 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1821 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1822 if (set & BIT(NL80211_STA_FLAG_MFP)) 1823 set_sta_flag(sta, WLAN_STA_MFP); 1824 else 1825 clear_sta_flag(sta, WLAN_STA_MFP); 1826 } 1827 1828 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1829 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1830 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1831 else 1832 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1833 } 1834 1835 /* mark TDLS channel switch support, if the AP allows it */ 1836 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1837 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited && 1838 params->ext_capab_len >= 4 && 1839 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1840 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1841 1842 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1843 !sdata->u.mgd.tdls_wider_bw_prohibited && 1844 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1845 params->ext_capab_len >= 8 && 1846 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1847 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1848 1849 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1850 sta->sta.uapsd_queues = params->uapsd_queues; 1851 sta->sta.max_sp = params->max_sp; 1852 } 1853 1854 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab, 1855 params->ext_capab_len); 1856 1857 /* 1858 * cfg80211 validates this (1-2007) and allows setting the AID 1859 * only when creating a new station entry 1860 */ 1861 if (params->aid) 1862 sta->sta.aid = params->aid; 1863 1864 /* 1865 * Some of the following updates would be racy if called on an 1866 * existing station, via ieee80211_change_station(). However, 1867 * all such changes are rejected by cfg80211 except for updates 1868 * changing the supported rates on an existing but not yet used 1869 * TDLS peer. 1870 */ 1871 1872 if (params->listen_interval >= 0) 1873 sta->listen_interval = params->listen_interval; 1874 1875 ret = sta_link_apply_parameters(local, sta, false, 1876 ¶ms->link_sta_params); 1877 if (ret) 1878 return ret; 1879 1880 if (params->support_p2p_ps >= 0) 1881 sta->sta.support_p2p_ps = params->support_p2p_ps; 1882 1883 if (ieee80211_vif_is_mesh(&sdata->vif)) 1884 sta_apply_mesh_params(local, sta, params); 1885 1886 if (params->airtime_weight) 1887 sta->airtime_weight = params->airtime_weight; 1888 1889 /* set the STA state after all sta info from usermode has been set */ 1890 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1891 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1892 ret = sta_apply_auth_flags(local, sta, mask, set); 1893 if (ret) 1894 return ret; 1895 } 1896 1897 /* Mark the STA as MLO if MLD MAC address is available */ 1898 if (params->link_sta_params.mld_mac) 1899 sta->sta.mlo = true; 1900 1901 return 0; 1902 } 1903 1904 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1905 const u8 *mac, 1906 struct station_parameters *params) 1907 { 1908 struct ieee80211_local *local = wiphy_priv(wiphy); 1909 struct sta_info *sta; 1910 struct ieee80211_sub_if_data *sdata; 1911 int err; 1912 1913 if (params->vlan) { 1914 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1915 1916 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1917 sdata->vif.type != NL80211_IFTYPE_AP) 1918 return -EINVAL; 1919 } else 1920 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1921 1922 if (ether_addr_equal(mac, sdata->vif.addr)) 1923 return -EINVAL; 1924 1925 if (!is_valid_ether_addr(mac)) 1926 return -EINVAL; 1927 1928 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 1929 sdata->vif.type == NL80211_IFTYPE_STATION && 1930 !sdata->u.mgd.associated) 1931 return -EINVAL; 1932 1933 /* 1934 * If we have a link ID, it can be a non-MLO station on an AP MLD, 1935 * but we need to have a link_mac in that case as well, so use the 1936 * STA's MAC address in that case. 1937 */ 1938 if (params->link_sta_params.link_id >= 0) 1939 sta = sta_info_alloc_with_link(sdata, mac, 1940 params->link_sta_params.link_id, 1941 params->link_sta_params.link_mac ?: mac, 1942 GFP_KERNEL); 1943 else 1944 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1945 1946 if (!sta) 1947 return -ENOMEM; 1948 1949 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1950 sta->sta.tdls = true; 1951 1952 /* Though the mutex is not needed here (since the station is not 1953 * visible yet), sta_apply_parameters (and inner functions) require 1954 * the mutex due to other paths. 1955 */ 1956 mutex_lock(&local->sta_mtx); 1957 err = sta_apply_parameters(local, sta, params); 1958 mutex_unlock(&local->sta_mtx); 1959 if (err) { 1960 sta_info_free(local, sta); 1961 return err; 1962 } 1963 1964 /* 1965 * for TDLS and for unassociated station, rate control should be 1966 * initialized only when rates are known and station is marked 1967 * authorized/associated 1968 */ 1969 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1970 test_sta_flag(sta, WLAN_STA_ASSOC)) 1971 rate_control_rate_init(sta); 1972 1973 return sta_info_insert(sta); 1974 } 1975 1976 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1977 struct station_del_parameters *params) 1978 { 1979 struct ieee80211_sub_if_data *sdata; 1980 1981 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1982 1983 if (params->mac) 1984 return sta_info_destroy_addr_bss(sdata, params->mac); 1985 1986 sta_info_flush(sdata); 1987 return 0; 1988 } 1989 1990 static int ieee80211_change_station(struct wiphy *wiphy, 1991 struct net_device *dev, const u8 *mac, 1992 struct station_parameters *params) 1993 { 1994 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1995 struct ieee80211_local *local = wiphy_priv(wiphy); 1996 struct sta_info *sta; 1997 struct ieee80211_sub_if_data *vlansdata; 1998 enum cfg80211_station_type statype; 1999 int err; 2000 2001 mutex_lock(&local->sta_mtx); 2002 2003 sta = sta_info_get_bss(sdata, mac); 2004 if (!sta) { 2005 err = -ENOENT; 2006 goto out_err; 2007 } 2008 2009 switch (sdata->vif.type) { 2010 case NL80211_IFTYPE_MESH_POINT: 2011 if (sdata->u.mesh.user_mpm) 2012 statype = CFG80211_STA_MESH_PEER_USER; 2013 else 2014 statype = CFG80211_STA_MESH_PEER_KERNEL; 2015 break; 2016 case NL80211_IFTYPE_ADHOC: 2017 statype = CFG80211_STA_IBSS; 2018 break; 2019 case NL80211_IFTYPE_STATION: 2020 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2021 statype = CFG80211_STA_AP_STA; 2022 break; 2023 } 2024 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2025 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2026 else 2027 statype = CFG80211_STA_TDLS_PEER_SETUP; 2028 break; 2029 case NL80211_IFTYPE_AP: 2030 case NL80211_IFTYPE_AP_VLAN: 2031 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2032 statype = CFG80211_STA_AP_CLIENT; 2033 else 2034 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2035 break; 2036 default: 2037 err = -EOPNOTSUPP; 2038 goto out_err; 2039 } 2040 2041 err = cfg80211_check_station_change(wiphy, params, statype); 2042 if (err) 2043 goto out_err; 2044 2045 if (params->vlan && params->vlan != sta->sdata->dev) { 2046 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2047 2048 if (params->vlan->ieee80211_ptr->use_4addr) { 2049 if (vlansdata->u.vlan.sta) { 2050 err = -EBUSY; 2051 goto out_err; 2052 } 2053 2054 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 2055 __ieee80211_check_fast_rx_iface(vlansdata); 2056 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2057 } 2058 2059 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2060 sta->sdata->u.vlan.sta) { 2061 ieee80211_clear_fast_rx(sta); 2062 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2063 } 2064 2065 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2066 ieee80211_vif_dec_num_mcast(sta->sdata); 2067 2068 sta->sdata = vlansdata; 2069 ieee80211_check_fast_xmit(sta); 2070 2071 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2072 ieee80211_vif_inc_num_mcast(sta->sdata); 2073 cfg80211_send_layer2_update(sta->sdata->dev, 2074 sta->sta.addr); 2075 } 2076 } 2077 2078 /* we use sta_info_get_bss() so this might be different */ 2079 if (sdata != sta->sdata) { 2080 mutex_lock_nested(&sta->sdata->wdev.mtx, 1); 2081 err = sta_apply_parameters(local, sta, params); 2082 mutex_unlock(&sta->sdata->wdev.mtx); 2083 } else { 2084 err = sta_apply_parameters(local, sta, params); 2085 } 2086 if (err) 2087 goto out_err; 2088 2089 mutex_unlock(&local->sta_mtx); 2090 2091 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2092 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2093 ieee80211_recalc_ps(local); 2094 ieee80211_recalc_ps_vif(sdata); 2095 } 2096 2097 return 0; 2098 out_err: 2099 mutex_unlock(&local->sta_mtx); 2100 return err; 2101 } 2102 2103 #ifdef CONFIG_MAC80211_MESH 2104 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2105 const u8 *dst, const u8 *next_hop) 2106 { 2107 struct ieee80211_sub_if_data *sdata; 2108 struct mesh_path *mpath; 2109 struct sta_info *sta; 2110 2111 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2112 2113 rcu_read_lock(); 2114 sta = sta_info_get(sdata, next_hop); 2115 if (!sta) { 2116 rcu_read_unlock(); 2117 return -ENOENT; 2118 } 2119 2120 mpath = mesh_path_add(sdata, dst); 2121 if (IS_ERR(mpath)) { 2122 rcu_read_unlock(); 2123 return PTR_ERR(mpath); 2124 } 2125 2126 mesh_path_fix_nexthop(mpath, sta); 2127 2128 rcu_read_unlock(); 2129 return 0; 2130 } 2131 2132 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2133 const u8 *dst) 2134 { 2135 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2136 2137 if (dst) 2138 return mesh_path_del(sdata, dst); 2139 2140 mesh_path_flush_by_iface(sdata); 2141 return 0; 2142 } 2143 2144 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2145 const u8 *dst, const u8 *next_hop) 2146 { 2147 struct ieee80211_sub_if_data *sdata; 2148 struct mesh_path *mpath; 2149 struct sta_info *sta; 2150 2151 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2152 2153 rcu_read_lock(); 2154 2155 sta = sta_info_get(sdata, next_hop); 2156 if (!sta) { 2157 rcu_read_unlock(); 2158 return -ENOENT; 2159 } 2160 2161 mpath = mesh_path_lookup(sdata, dst); 2162 if (!mpath) { 2163 rcu_read_unlock(); 2164 return -ENOENT; 2165 } 2166 2167 mesh_path_fix_nexthop(mpath, sta); 2168 2169 rcu_read_unlock(); 2170 return 0; 2171 } 2172 2173 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2174 struct mpath_info *pinfo) 2175 { 2176 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2177 2178 if (next_hop_sta) 2179 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2180 else 2181 eth_zero_addr(next_hop); 2182 2183 memset(pinfo, 0, sizeof(*pinfo)); 2184 2185 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2186 2187 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2188 MPATH_INFO_SN | 2189 MPATH_INFO_METRIC | 2190 MPATH_INFO_EXPTIME | 2191 MPATH_INFO_DISCOVERY_TIMEOUT | 2192 MPATH_INFO_DISCOVERY_RETRIES | 2193 MPATH_INFO_FLAGS | 2194 MPATH_INFO_HOP_COUNT | 2195 MPATH_INFO_PATH_CHANGE; 2196 2197 pinfo->frame_qlen = mpath->frame_queue.qlen; 2198 pinfo->sn = mpath->sn; 2199 pinfo->metric = mpath->metric; 2200 if (time_before(jiffies, mpath->exp_time)) 2201 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2202 pinfo->discovery_timeout = 2203 jiffies_to_msecs(mpath->discovery_timeout); 2204 pinfo->discovery_retries = mpath->discovery_retries; 2205 if (mpath->flags & MESH_PATH_ACTIVE) 2206 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2207 if (mpath->flags & MESH_PATH_RESOLVING) 2208 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 2209 if (mpath->flags & MESH_PATH_SN_VALID) 2210 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 2211 if (mpath->flags & MESH_PATH_FIXED) 2212 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 2213 if (mpath->flags & MESH_PATH_RESOLVED) 2214 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 2215 pinfo->hop_count = mpath->hop_count; 2216 pinfo->path_change_count = mpath->path_change_count; 2217 } 2218 2219 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 2220 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 2221 2222 { 2223 struct ieee80211_sub_if_data *sdata; 2224 struct mesh_path *mpath; 2225 2226 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2227 2228 rcu_read_lock(); 2229 mpath = mesh_path_lookup(sdata, dst); 2230 if (!mpath) { 2231 rcu_read_unlock(); 2232 return -ENOENT; 2233 } 2234 memcpy(dst, mpath->dst, ETH_ALEN); 2235 mpath_set_pinfo(mpath, next_hop, pinfo); 2236 rcu_read_unlock(); 2237 return 0; 2238 } 2239 2240 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 2241 int idx, u8 *dst, u8 *next_hop, 2242 struct mpath_info *pinfo) 2243 { 2244 struct ieee80211_sub_if_data *sdata; 2245 struct mesh_path *mpath; 2246 2247 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2248 2249 rcu_read_lock(); 2250 mpath = mesh_path_lookup_by_idx(sdata, idx); 2251 if (!mpath) { 2252 rcu_read_unlock(); 2253 return -ENOENT; 2254 } 2255 memcpy(dst, mpath->dst, ETH_ALEN); 2256 mpath_set_pinfo(mpath, next_hop, pinfo); 2257 rcu_read_unlock(); 2258 return 0; 2259 } 2260 2261 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 2262 struct mpath_info *pinfo) 2263 { 2264 memset(pinfo, 0, sizeof(*pinfo)); 2265 memcpy(mpp, mpath->mpp, ETH_ALEN); 2266 2267 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 2268 } 2269 2270 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 2271 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 2272 2273 { 2274 struct ieee80211_sub_if_data *sdata; 2275 struct mesh_path *mpath; 2276 2277 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2278 2279 rcu_read_lock(); 2280 mpath = mpp_path_lookup(sdata, dst); 2281 if (!mpath) { 2282 rcu_read_unlock(); 2283 return -ENOENT; 2284 } 2285 memcpy(dst, mpath->dst, ETH_ALEN); 2286 mpp_set_pinfo(mpath, mpp, pinfo); 2287 rcu_read_unlock(); 2288 return 0; 2289 } 2290 2291 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2292 int idx, u8 *dst, u8 *mpp, 2293 struct mpath_info *pinfo) 2294 { 2295 struct ieee80211_sub_if_data *sdata; 2296 struct mesh_path *mpath; 2297 2298 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2299 2300 rcu_read_lock(); 2301 mpath = mpp_path_lookup_by_idx(sdata, idx); 2302 if (!mpath) { 2303 rcu_read_unlock(); 2304 return -ENOENT; 2305 } 2306 memcpy(dst, mpath->dst, ETH_ALEN); 2307 mpp_set_pinfo(mpath, mpp, pinfo); 2308 rcu_read_unlock(); 2309 return 0; 2310 } 2311 2312 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2313 struct net_device *dev, 2314 struct mesh_config *conf) 2315 { 2316 struct ieee80211_sub_if_data *sdata; 2317 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2318 2319 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2320 return 0; 2321 } 2322 2323 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2324 { 2325 return (mask >> (parm-1)) & 0x1; 2326 } 2327 2328 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2329 const struct mesh_setup *setup) 2330 { 2331 u8 *new_ie; 2332 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2333 struct ieee80211_sub_if_data, u.mesh); 2334 int i; 2335 2336 /* allocate information elements */ 2337 new_ie = NULL; 2338 2339 if (setup->ie_len) { 2340 new_ie = kmemdup(setup->ie, setup->ie_len, 2341 GFP_KERNEL); 2342 if (!new_ie) 2343 return -ENOMEM; 2344 } 2345 ifmsh->ie_len = setup->ie_len; 2346 ifmsh->ie = new_ie; 2347 2348 /* now copy the rest of the setup parameters */ 2349 ifmsh->mesh_id_len = setup->mesh_id_len; 2350 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2351 ifmsh->mesh_sp_id = setup->sync_method; 2352 ifmsh->mesh_pp_id = setup->path_sel_proto; 2353 ifmsh->mesh_pm_id = setup->path_metric; 2354 ifmsh->user_mpm = setup->user_mpm; 2355 ifmsh->mesh_auth_id = setup->auth_id; 2356 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2357 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2358 if (setup->is_authenticated) 2359 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2360 if (setup->is_secure) 2361 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2362 2363 /* mcast rate setting in Mesh Node */ 2364 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2365 sizeof(setup->mcast_rate)); 2366 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2367 2368 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2369 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2370 2371 sdata->beacon_rate_set = false; 2372 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2373 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2374 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2375 sdata->beacon_rateidx_mask[i] = 2376 setup->beacon_rate.control[i].legacy; 2377 if (sdata->beacon_rateidx_mask[i]) 2378 sdata->beacon_rate_set = true; 2379 } 2380 } 2381 2382 return 0; 2383 } 2384 2385 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2386 struct net_device *dev, u32 mask, 2387 const struct mesh_config *nconf) 2388 { 2389 struct mesh_config *conf; 2390 struct ieee80211_sub_if_data *sdata; 2391 struct ieee80211_if_mesh *ifmsh; 2392 2393 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2394 ifmsh = &sdata->u.mesh; 2395 2396 /* Set the config options which we are interested in setting */ 2397 conf = &(sdata->u.mesh.mshcfg); 2398 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2399 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2400 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2401 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2402 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2403 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2404 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2405 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2406 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2407 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2408 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2409 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2410 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2411 conf->element_ttl = nconf->element_ttl; 2412 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2413 if (ifmsh->user_mpm) 2414 return -EBUSY; 2415 conf->auto_open_plinks = nconf->auto_open_plinks; 2416 } 2417 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2418 conf->dot11MeshNbrOffsetMaxNeighbor = 2419 nconf->dot11MeshNbrOffsetMaxNeighbor; 2420 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2421 conf->dot11MeshHWMPmaxPREQretries = 2422 nconf->dot11MeshHWMPmaxPREQretries; 2423 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2424 conf->path_refresh_time = nconf->path_refresh_time; 2425 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2426 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2427 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2428 conf->dot11MeshHWMPactivePathTimeout = 2429 nconf->dot11MeshHWMPactivePathTimeout; 2430 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2431 conf->dot11MeshHWMPpreqMinInterval = 2432 nconf->dot11MeshHWMPpreqMinInterval; 2433 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2434 conf->dot11MeshHWMPperrMinInterval = 2435 nconf->dot11MeshHWMPperrMinInterval; 2436 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2437 mask)) 2438 conf->dot11MeshHWMPnetDiameterTraversalTime = 2439 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2440 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2441 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2442 ieee80211_mesh_root_setup(ifmsh); 2443 } 2444 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2445 /* our current gate announcement implementation rides on root 2446 * announcements, so require this ifmsh to also be a root node 2447 * */ 2448 if (nconf->dot11MeshGateAnnouncementProtocol && 2449 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2450 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2451 ieee80211_mesh_root_setup(ifmsh); 2452 } 2453 conf->dot11MeshGateAnnouncementProtocol = 2454 nconf->dot11MeshGateAnnouncementProtocol; 2455 } 2456 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2457 conf->dot11MeshHWMPRannInterval = 2458 nconf->dot11MeshHWMPRannInterval; 2459 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2460 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2461 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2462 /* our RSSI threshold implementation is supported only for 2463 * devices that report signal in dBm. 2464 */ 2465 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2466 return -ENOTSUPP; 2467 conf->rssi_threshold = nconf->rssi_threshold; 2468 } 2469 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2470 conf->ht_opmode = nconf->ht_opmode; 2471 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2472 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2473 BSS_CHANGED_HT); 2474 } 2475 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2476 conf->dot11MeshHWMPactivePathToRootTimeout = 2477 nconf->dot11MeshHWMPactivePathToRootTimeout; 2478 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2479 conf->dot11MeshHWMProotInterval = 2480 nconf->dot11MeshHWMProotInterval; 2481 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2482 conf->dot11MeshHWMPconfirmationInterval = 2483 nconf->dot11MeshHWMPconfirmationInterval; 2484 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2485 conf->power_mode = nconf->power_mode; 2486 ieee80211_mps_local_status_update(sdata); 2487 } 2488 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2489 conf->dot11MeshAwakeWindowDuration = 2490 nconf->dot11MeshAwakeWindowDuration; 2491 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2492 conf->plink_timeout = nconf->plink_timeout; 2493 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2494 conf->dot11MeshConnectedToMeshGate = 2495 nconf->dot11MeshConnectedToMeshGate; 2496 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2497 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2498 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2499 conf->dot11MeshConnectedToAuthServer = 2500 nconf->dot11MeshConnectedToAuthServer; 2501 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2502 return 0; 2503 } 2504 2505 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2506 const struct mesh_config *conf, 2507 const struct mesh_setup *setup) 2508 { 2509 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2510 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2511 int err; 2512 2513 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2514 err = copy_mesh_setup(ifmsh, setup); 2515 if (err) 2516 return err; 2517 2518 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2519 2520 /* can mesh use other SMPS modes? */ 2521 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 2522 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 2523 2524 mutex_lock(&sdata->local->mtx); 2525 err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef, 2526 IEEE80211_CHANCTX_SHARED); 2527 mutex_unlock(&sdata->local->mtx); 2528 if (err) 2529 return err; 2530 2531 return ieee80211_start_mesh(sdata); 2532 } 2533 2534 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2535 { 2536 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2537 2538 ieee80211_stop_mesh(sdata); 2539 mutex_lock(&sdata->local->mtx); 2540 ieee80211_link_release_channel(&sdata->deflink); 2541 kfree(sdata->u.mesh.ie); 2542 mutex_unlock(&sdata->local->mtx); 2543 2544 return 0; 2545 } 2546 #endif 2547 2548 static int ieee80211_change_bss(struct wiphy *wiphy, 2549 struct net_device *dev, 2550 struct bss_parameters *params) 2551 { 2552 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2553 struct ieee80211_supported_band *sband; 2554 u32 changed = 0; 2555 2556 if (!sdata_dereference(sdata->deflink.u.ap.beacon, sdata)) 2557 return -ENOENT; 2558 2559 sband = ieee80211_get_sband(sdata); 2560 if (!sband) 2561 return -EINVAL; 2562 2563 if (params->use_cts_prot >= 0) { 2564 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 2565 changed |= BSS_CHANGED_ERP_CTS_PROT; 2566 } 2567 if (params->use_short_preamble >= 0) { 2568 sdata->vif.bss_conf.use_short_preamble = 2569 params->use_short_preamble; 2570 changed |= BSS_CHANGED_ERP_PREAMBLE; 2571 } 2572 2573 if (!sdata->vif.bss_conf.use_short_slot && 2574 (sband->band == NL80211_BAND_5GHZ || 2575 sband->band == NL80211_BAND_6GHZ)) { 2576 sdata->vif.bss_conf.use_short_slot = true; 2577 changed |= BSS_CHANGED_ERP_SLOT; 2578 } 2579 2580 if (params->use_short_slot_time >= 0) { 2581 sdata->vif.bss_conf.use_short_slot = 2582 params->use_short_slot_time; 2583 changed |= BSS_CHANGED_ERP_SLOT; 2584 } 2585 2586 if (params->basic_rates) { 2587 ieee80211_parse_bitrates(sdata->vif.bss_conf.chandef.width, 2588 wiphy->bands[sband->band], 2589 params->basic_rates, 2590 params->basic_rates_len, 2591 &sdata->vif.bss_conf.basic_rates); 2592 changed |= BSS_CHANGED_BASIC_RATES; 2593 ieee80211_check_rate_mask(&sdata->deflink); 2594 } 2595 2596 if (params->ap_isolate >= 0) { 2597 if (params->ap_isolate) 2598 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2599 else 2600 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2601 ieee80211_check_fast_rx_iface(sdata); 2602 } 2603 2604 if (params->ht_opmode >= 0) { 2605 sdata->vif.bss_conf.ht_operation_mode = 2606 (u16) params->ht_opmode; 2607 changed |= BSS_CHANGED_HT; 2608 } 2609 2610 if (params->p2p_ctwindow >= 0) { 2611 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2612 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2613 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2614 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2615 changed |= BSS_CHANGED_P2P_PS; 2616 } 2617 2618 if (params->p2p_opp_ps > 0) { 2619 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2620 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2621 changed |= BSS_CHANGED_P2P_PS; 2622 } else if (params->p2p_opp_ps == 0) { 2623 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2624 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2625 changed |= BSS_CHANGED_P2P_PS; 2626 } 2627 2628 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed); 2629 2630 return 0; 2631 } 2632 2633 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2634 struct net_device *dev, 2635 struct ieee80211_txq_params *params) 2636 { 2637 struct ieee80211_local *local = wiphy_priv(wiphy); 2638 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2639 struct ieee80211_link_data *link = 2640 ieee80211_link_or_deflink(sdata, params->link_id, true); 2641 struct ieee80211_tx_queue_params p; 2642 2643 if (!local->ops->conf_tx) 2644 return -EOPNOTSUPP; 2645 2646 if (local->hw.queues < IEEE80211_NUM_ACS) 2647 return -EOPNOTSUPP; 2648 2649 if (IS_ERR(link)) 2650 return PTR_ERR(link); 2651 2652 memset(&p, 0, sizeof(p)); 2653 p.aifs = params->aifs; 2654 p.cw_max = params->cwmax; 2655 p.cw_min = params->cwmin; 2656 p.txop = params->txop; 2657 2658 /* 2659 * Setting tx queue params disables u-apsd because it's only 2660 * called in master mode. 2661 */ 2662 p.uapsd = false; 2663 2664 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 2665 2666 link->tx_conf[params->ac] = p; 2667 if (drv_conf_tx(local, link, params->ac, &p)) { 2668 wiphy_debug(local->hw.wiphy, 2669 "failed to set TX queue parameters for AC %d\n", 2670 params->ac); 2671 return -EINVAL; 2672 } 2673 2674 ieee80211_link_info_change_notify(sdata, link, 2675 BSS_CHANGED_QOS); 2676 2677 return 0; 2678 } 2679 2680 #ifdef CONFIG_PM 2681 static int ieee80211_suspend(struct wiphy *wiphy, 2682 struct cfg80211_wowlan *wowlan) 2683 { 2684 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2685 } 2686 2687 static int ieee80211_resume(struct wiphy *wiphy) 2688 { 2689 return __ieee80211_resume(wiphy_priv(wiphy)); 2690 } 2691 #else 2692 #define ieee80211_suspend NULL 2693 #define ieee80211_resume NULL 2694 #endif 2695 2696 static int ieee80211_scan(struct wiphy *wiphy, 2697 struct cfg80211_scan_request *req) 2698 { 2699 struct ieee80211_sub_if_data *sdata; 2700 2701 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2702 2703 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2704 case NL80211_IFTYPE_STATION: 2705 case NL80211_IFTYPE_ADHOC: 2706 case NL80211_IFTYPE_MESH_POINT: 2707 case NL80211_IFTYPE_P2P_CLIENT: 2708 case NL80211_IFTYPE_P2P_DEVICE: 2709 break; 2710 case NL80211_IFTYPE_P2P_GO: 2711 if (sdata->local->ops->hw_scan) 2712 break; 2713 /* 2714 * FIXME: implement NoA while scanning in software, 2715 * for now fall through to allow scanning only when 2716 * beaconing hasn't been configured yet 2717 */ 2718 fallthrough; 2719 case NL80211_IFTYPE_AP: 2720 /* 2721 * If the scan has been forced (and the driver supports 2722 * forcing), don't care about being beaconing already. 2723 * This will create problems to the attached stations (e.g. all 2724 * the frames sent while scanning on other channel will be 2725 * lost) 2726 */ 2727 if (sdata->deflink.u.ap.beacon && 2728 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2729 !(req->flags & NL80211_SCAN_FLAG_AP))) 2730 return -EOPNOTSUPP; 2731 break; 2732 case NL80211_IFTYPE_NAN: 2733 default: 2734 return -EOPNOTSUPP; 2735 } 2736 2737 return ieee80211_request_scan(sdata, req); 2738 } 2739 2740 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2741 { 2742 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2743 } 2744 2745 static int 2746 ieee80211_sched_scan_start(struct wiphy *wiphy, 2747 struct net_device *dev, 2748 struct cfg80211_sched_scan_request *req) 2749 { 2750 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2751 2752 if (!sdata->local->ops->sched_scan_start) 2753 return -EOPNOTSUPP; 2754 2755 return ieee80211_request_sched_scan_start(sdata, req); 2756 } 2757 2758 static int 2759 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2760 u64 reqid) 2761 { 2762 struct ieee80211_local *local = wiphy_priv(wiphy); 2763 2764 if (!local->ops->sched_scan_stop) 2765 return -EOPNOTSUPP; 2766 2767 return ieee80211_request_sched_scan_stop(local); 2768 } 2769 2770 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2771 struct cfg80211_auth_request *req) 2772 { 2773 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2774 } 2775 2776 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2777 struct cfg80211_assoc_request *req) 2778 { 2779 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2780 } 2781 2782 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2783 struct cfg80211_deauth_request *req) 2784 { 2785 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2786 } 2787 2788 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2789 struct cfg80211_disassoc_request *req) 2790 { 2791 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2792 } 2793 2794 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2795 struct cfg80211_ibss_params *params) 2796 { 2797 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2798 } 2799 2800 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2801 { 2802 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2803 } 2804 2805 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2806 struct ocb_setup *setup) 2807 { 2808 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2809 } 2810 2811 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2812 { 2813 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2814 } 2815 2816 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2817 int rate[NUM_NL80211_BANDS]) 2818 { 2819 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2820 2821 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2822 sizeof(int) * NUM_NL80211_BANDS); 2823 2824 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2825 BSS_CHANGED_MCAST_RATE); 2826 2827 return 0; 2828 } 2829 2830 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2831 { 2832 struct ieee80211_local *local = wiphy_priv(wiphy); 2833 int err; 2834 2835 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2836 ieee80211_check_fast_xmit_all(local); 2837 2838 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2839 2840 if (err) { 2841 ieee80211_check_fast_xmit_all(local); 2842 return err; 2843 } 2844 } 2845 2846 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2847 (changed & WIPHY_PARAM_DYN_ACK)) { 2848 s16 coverage_class; 2849 2850 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2851 wiphy->coverage_class : -1; 2852 err = drv_set_coverage_class(local, coverage_class); 2853 2854 if (err) 2855 return err; 2856 } 2857 2858 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2859 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2860 2861 if (err) 2862 return err; 2863 } 2864 2865 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2866 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2867 return -EINVAL; 2868 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2869 } 2870 if (changed & WIPHY_PARAM_RETRY_LONG) { 2871 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2872 return -EINVAL; 2873 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2874 } 2875 if (changed & 2876 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2877 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2878 2879 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 2880 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 2881 WIPHY_PARAM_TXQ_QUANTUM)) 2882 ieee80211_txq_set_params(local); 2883 2884 return 0; 2885 } 2886 2887 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2888 struct wireless_dev *wdev, 2889 enum nl80211_tx_power_setting type, int mbm) 2890 { 2891 struct ieee80211_local *local = wiphy_priv(wiphy); 2892 struct ieee80211_sub_if_data *sdata; 2893 enum nl80211_tx_power_setting txp_type = type; 2894 bool update_txp_type = false; 2895 bool has_monitor = false; 2896 2897 if (wdev) { 2898 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2899 2900 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2901 sdata = wiphy_dereference(local->hw.wiphy, 2902 local->monitor_sdata); 2903 if (!sdata) 2904 return -EOPNOTSUPP; 2905 } 2906 2907 switch (type) { 2908 case NL80211_TX_POWER_AUTOMATIC: 2909 sdata->deflink.user_power_level = 2910 IEEE80211_UNSET_POWER_LEVEL; 2911 txp_type = NL80211_TX_POWER_LIMITED; 2912 break; 2913 case NL80211_TX_POWER_LIMITED: 2914 case NL80211_TX_POWER_FIXED: 2915 if (mbm < 0 || (mbm % 100)) 2916 return -EOPNOTSUPP; 2917 sdata->deflink.user_power_level = MBM_TO_DBM(mbm); 2918 break; 2919 } 2920 2921 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2922 update_txp_type = true; 2923 sdata->vif.bss_conf.txpower_type = txp_type; 2924 } 2925 2926 ieee80211_recalc_txpower(sdata, update_txp_type); 2927 2928 return 0; 2929 } 2930 2931 switch (type) { 2932 case NL80211_TX_POWER_AUTOMATIC: 2933 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2934 txp_type = NL80211_TX_POWER_LIMITED; 2935 break; 2936 case NL80211_TX_POWER_LIMITED: 2937 case NL80211_TX_POWER_FIXED: 2938 if (mbm < 0 || (mbm % 100)) 2939 return -EOPNOTSUPP; 2940 local->user_power_level = MBM_TO_DBM(mbm); 2941 break; 2942 } 2943 2944 mutex_lock(&local->iflist_mtx); 2945 list_for_each_entry(sdata, &local->interfaces, list) { 2946 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2947 has_monitor = true; 2948 continue; 2949 } 2950 sdata->deflink.user_power_level = local->user_power_level; 2951 if (txp_type != sdata->vif.bss_conf.txpower_type) 2952 update_txp_type = true; 2953 sdata->vif.bss_conf.txpower_type = txp_type; 2954 } 2955 list_for_each_entry(sdata, &local->interfaces, list) { 2956 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) 2957 continue; 2958 ieee80211_recalc_txpower(sdata, update_txp_type); 2959 } 2960 mutex_unlock(&local->iflist_mtx); 2961 2962 if (has_monitor) { 2963 sdata = wiphy_dereference(local->hw.wiphy, 2964 local->monitor_sdata); 2965 if (sdata) { 2966 sdata->deflink.user_power_level = local->user_power_level; 2967 if (txp_type != sdata->vif.bss_conf.txpower_type) 2968 update_txp_type = true; 2969 sdata->vif.bss_conf.txpower_type = txp_type; 2970 2971 ieee80211_recalc_txpower(sdata, update_txp_type); 2972 } 2973 } 2974 2975 return 0; 2976 } 2977 2978 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2979 struct wireless_dev *wdev, 2980 int *dbm) 2981 { 2982 struct ieee80211_local *local = wiphy_priv(wiphy); 2983 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2984 2985 if (local->ops->get_txpower) 2986 return drv_get_txpower(local, sdata, dbm); 2987 2988 if (!local->use_chanctx) 2989 *dbm = local->hw.conf.power_level; 2990 else 2991 *dbm = sdata->vif.bss_conf.txpower; 2992 2993 return 0; 2994 } 2995 2996 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2997 { 2998 struct ieee80211_local *local = wiphy_priv(wiphy); 2999 3000 drv_rfkill_poll(local); 3001 } 3002 3003 #ifdef CONFIG_NL80211_TESTMODE 3004 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3005 struct wireless_dev *wdev, 3006 void *data, int len) 3007 { 3008 struct ieee80211_local *local = wiphy_priv(wiphy); 3009 struct ieee80211_vif *vif = NULL; 3010 3011 if (!local->ops->testmode_cmd) 3012 return -EOPNOTSUPP; 3013 3014 if (wdev) { 3015 struct ieee80211_sub_if_data *sdata; 3016 3017 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3018 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3019 vif = &sdata->vif; 3020 } 3021 3022 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3023 } 3024 3025 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3026 struct sk_buff *skb, 3027 struct netlink_callback *cb, 3028 void *data, int len) 3029 { 3030 struct ieee80211_local *local = wiphy_priv(wiphy); 3031 3032 if (!local->ops->testmode_dump) 3033 return -EOPNOTSUPP; 3034 3035 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3036 } 3037 #endif 3038 3039 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3040 struct ieee80211_link_data *link, 3041 enum ieee80211_smps_mode smps_mode) 3042 { 3043 const u8 *ap; 3044 enum ieee80211_smps_mode old_req; 3045 int err; 3046 struct sta_info *sta; 3047 bool tdls_peer_found = false; 3048 3049 lockdep_assert_held(&sdata->wdev.mtx); 3050 3051 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3052 return -EINVAL; 3053 3054 old_req = link->u.mgd.req_smps; 3055 link->u.mgd.req_smps = smps_mode; 3056 3057 if (old_req == smps_mode && 3058 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3059 return 0; 3060 3061 /* 3062 * If not associated, or current association is not an HT 3063 * association, there's no need to do anything, just store 3064 * the new value until we associate. 3065 */ 3066 if (!sdata->u.mgd.associated || 3067 link->conf->chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 3068 return 0; 3069 3070 ap = link->u.mgd.bssid; 3071 3072 rcu_read_lock(); 3073 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3074 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3075 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3076 continue; 3077 3078 tdls_peer_found = true; 3079 break; 3080 } 3081 rcu_read_unlock(); 3082 3083 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3084 if (tdls_peer_found || !sdata->u.mgd.powersave) 3085 smps_mode = IEEE80211_SMPS_OFF; 3086 else 3087 smps_mode = IEEE80211_SMPS_DYNAMIC; 3088 } 3089 3090 /* send SM PS frame to AP */ 3091 err = ieee80211_send_smps_action(sdata, smps_mode, 3092 ap, ap); 3093 if (err) 3094 link->u.mgd.req_smps = old_req; 3095 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3096 ieee80211_teardown_tdls_peers(sdata); 3097 3098 return err; 3099 } 3100 3101 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3102 bool enabled, int timeout) 3103 { 3104 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3105 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3106 unsigned int link_id; 3107 3108 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3109 return -EOPNOTSUPP; 3110 3111 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3112 return -EOPNOTSUPP; 3113 3114 if (enabled == sdata->u.mgd.powersave && 3115 timeout == local->dynamic_ps_forced_timeout) 3116 return 0; 3117 3118 sdata->u.mgd.powersave = enabled; 3119 local->dynamic_ps_forced_timeout = timeout; 3120 3121 /* no change, but if automatic follow powersave */ 3122 sdata_lock(sdata); 3123 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 3124 struct ieee80211_link_data *link; 3125 3126 link = sdata_dereference(sdata->link[link_id], sdata); 3127 3128 if (!link) 3129 continue; 3130 __ieee80211_request_smps_mgd(sdata, link, 3131 link->u.mgd.req_smps); 3132 } 3133 sdata_unlock(sdata); 3134 3135 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 3136 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 3137 3138 ieee80211_recalc_ps(local); 3139 ieee80211_recalc_ps_vif(sdata); 3140 ieee80211_check_fast_rx_iface(sdata); 3141 3142 return 0; 3143 } 3144 3145 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 3146 struct net_device *dev, 3147 s32 rssi_thold, u32 rssi_hyst) 3148 { 3149 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3150 struct ieee80211_vif *vif = &sdata->vif; 3151 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 3152 3153 if (rssi_thold == bss_conf->cqm_rssi_thold && 3154 rssi_hyst == bss_conf->cqm_rssi_hyst) 3155 return 0; 3156 3157 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 3158 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3159 return -EOPNOTSUPP; 3160 3161 bss_conf->cqm_rssi_thold = rssi_thold; 3162 bss_conf->cqm_rssi_hyst = rssi_hyst; 3163 bss_conf->cqm_rssi_low = 0; 3164 bss_conf->cqm_rssi_high = 0; 3165 sdata->deflink.u.mgd.last_cqm_event_signal = 0; 3166 3167 /* tell the driver upon association, unless already associated */ 3168 if (sdata->u.mgd.associated && 3169 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 3170 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3171 BSS_CHANGED_CQM); 3172 3173 return 0; 3174 } 3175 3176 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 3177 struct net_device *dev, 3178 s32 rssi_low, s32 rssi_high) 3179 { 3180 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3181 struct ieee80211_vif *vif = &sdata->vif; 3182 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 3183 3184 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) 3185 return -EOPNOTSUPP; 3186 3187 bss_conf->cqm_rssi_low = rssi_low; 3188 bss_conf->cqm_rssi_high = rssi_high; 3189 bss_conf->cqm_rssi_thold = 0; 3190 bss_conf->cqm_rssi_hyst = 0; 3191 sdata->deflink.u.mgd.last_cqm_event_signal = 0; 3192 3193 /* tell the driver upon association, unless already associated */ 3194 if (sdata->u.mgd.associated && 3195 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 3196 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3197 BSS_CHANGED_CQM); 3198 3199 return 0; 3200 } 3201 3202 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 3203 struct net_device *dev, 3204 unsigned int link_id, 3205 const u8 *addr, 3206 const struct cfg80211_bitrate_mask *mask) 3207 { 3208 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3209 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3210 int i, ret; 3211 3212 if (!ieee80211_sdata_running(sdata)) 3213 return -ENETDOWN; 3214 3215 /* 3216 * If active validate the setting and reject it if it doesn't leave 3217 * at least one basic rate usable, since we really have to be able 3218 * to send something, and if we're an AP we have to be able to do 3219 * so at a basic rate so that all clients can receive it. 3220 */ 3221 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 3222 sdata->vif.bss_conf.chandef.chan) { 3223 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 3224 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; 3225 3226 if (!(mask->control[band].legacy & basic_rates)) 3227 return -EINVAL; 3228 } 3229 3230 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 3231 ret = drv_set_bitrate_mask(local, sdata, mask); 3232 if (ret) 3233 return ret; 3234 } 3235 3236 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3237 struct ieee80211_supported_band *sband = wiphy->bands[i]; 3238 int j; 3239 3240 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 3241 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 3242 sizeof(mask->control[i].ht_mcs)); 3243 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 3244 mask->control[i].vht_mcs, 3245 sizeof(mask->control[i].vht_mcs)); 3246 3247 sdata->rc_has_mcs_mask[i] = false; 3248 sdata->rc_has_vht_mcs_mask[i] = false; 3249 if (!sband) 3250 continue; 3251 3252 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 3253 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 3254 sdata->rc_has_mcs_mask[i] = true; 3255 break; 3256 } 3257 } 3258 3259 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 3260 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 3261 sdata->rc_has_vht_mcs_mask[i] = true; 3262 break; 3263 } 3264 } 3265 } 3266 3267 return 0; 3268 } 3269 3270 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 3271 struct net_device *dev, 3272 struct cfg80211_chan_def *chandef, 3273 u32 cac_time_ms) 3274 { 3275 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3276 struct ieee80211_local *local = sdata->local; 3277 int err; 3278 3279 mutex_lock(&local->mtx); 3280 if (!list_empty(&local->roc_list) || local->scanning) { 3281 err = -EBUSY; 3282 goto out_unlock; 3283 } 3284 3285 /* whatever, but channel contexts should not complain about that one */ 3286 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 3287 sdata->deflink.needed_rx_chains = local->rx_chains; 3288 3289 err = ieee80211_link_use_channel(&sdata->deflink, chandef, 3290 IEEE80211_CHANCTX_SHARED); 3291 if (err) 3292 goto out_unlock; 3293 3294 ieee80211_queue_delayed_work(&sdata->local->hw, 3295 &sdata->deflink.dfs_cac_timer_work, 3296 msecs_to_jiffies(cac_time_ms)); 3297 3298 out_unlock: 3299 mutex_unlock(&local->mtx); 3300 return err; 3301 } 3302 3303 static void ieee80211_end_cac(struct wiphy *wiphy, 3304 struct net_device *dev) 3305 { 3306 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3307 struct ieee80211_local *local = sdata->local; 3308 3309 mutex_lock(&local->mtx); 3310 list_for_each_entry(sdata, &local->interfaces, list) { 3311 /* it might be waiting for the local->mtx, but then 3312 * by the time it gets it, sdata->wdev.cac_started 3313 * will no longer be true 3314 */ 3315 cancel_delayed_work(&sdata->deflink.dfs_cac_timer_work); 3316 3317 if (sdata->wdev.cac_started) { 3318 ieee80211_link_release_channel(&sdata->deflink); 3319 sdata->wdev.cac_started = false; 3320 } 3321 } 3322 mutex_unlock(&local->mtx); 3323 } 3324 3325 static struct cfg80211_beacon_data * 3326 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3327 { 3328 struct cfg80211_beacon_data *new_beacon; 3329 u8 *pos; 3330 int len; 3331 3332 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3333 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3334 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len + 3335 ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies); 3336 3337 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3338 if (!new_beacon) 3339 return NULL; 3340 3341 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3342 new_beacon->mbssid_ies = 3343 kzalloc(struct_size(new_beacon->mbssid_ies, 3344 elem, beacon->mbssid_ies->cnt), 3345 GFP_KERNEL); 3346 if (!new_beacon->mbssid_ies) { 3347 kfree(new_beacon); 3348 return NULL; 3349 } 3350 } 3351 3352 pos = (u8 *)(new_beacon + 1); 3353 if (beacon->head_len) { 3354 new_beacon->head_len = beacon->head_len; 3355 new_beacon->head = pos; 3356 memcpy(pos, beacon->head, beacon->head_len); 3357 pos += beacon->head_len; 3358 } 3359 if (beacon->tail_len) { 3360 new_beacon->tail_len = beacon->tail_len; 3361 new_beacon->tail = pos; 3362 memcpy(pos, beacon->tail, beacon->tail_len); 3363 pos += beacon->tail_len; 3364 } 3365 if (beacon->beacon_ies_len) { 3366 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3367 new_beacon->beacon_ies = pos; 3368 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3369 pos += beacon->beacon_ies_len; 3370 } 3371 if (beacon->proberesp_ies_len) { 3372 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3373 new_beacon->proberesp_ies = pos; 3374 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3375 pos += beacon->proberesp_ies_len; 3376 } 3377 if (beacon->assocresp_ies_len) { 3378 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3379 new_beacon->assocresp_ies = pos; 3380 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3381 pos += beacon->assocresp_ies_len; 3382 } 3383 if (beacon->probe_resp_len) { 3384 new_beacon->probe_resp_len = beacon->probe_resp_len; 3385 new_beacon->probe_resp = pos; 3386 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3387 pos += beacon->probe_resp_len; 3388 } 3389 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) 3390 pos += ieee80211_copy_mbssid_beacon(pos, 3391 new_beacon->mbssid_ies, 3392 beacon->mbssid_ies); 3393 3394 /* might copy -1, meaning no changes requested */ 3395 new_beacon->ftm_responder = beacon->ftm_responder; 3396 if (beacon->lci) { 3397 new_beacon->lci_len = beacon->lci_len; 3398 new_beacon->lci = pos; 3399 memcpy(pos, beacon->lci, beacon->lci_len); 3400 pos += beacon->lci_len; 3401 } 3402 if (beacon->civicloc) { 3403 new_beacon->civicloc_len = beacon->civicloc_len; 3404 new_beacon->civicloc = pos; 3405 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3406 pos += beacon->civicloc_len; 3407 } 3408 3409 return new_beacon; 3410 } 3411 3412 void ieee80211_csa_finish(struct ieee80211_vif *vif) 3413 { 3414 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3415 struct ieee80211_local *local = sdata->local; 3416 3417 rcu_read_lock(); 3418 3419 if (vif->mbssid_tx_vif == vif) { 3420 /* Trigger ieee80211_csa_finish() on the non-transmitting 3421 * interfaces when channel switch is received on 3422 * transmitting interface 3423 */ 3424 struct ieee80211_sub_if_data *iter; 3425 3426 list_for_each_entry_rcu(iter, &local->interfaces, list) { 3427 if (!ieee80211_sdata_running(iter)) 3428 continue; 3429 3430 if (iter == sdata || iter->vif.mbssid_tx_vif != vif) 3431 continue; 3432 3433 ieee80211_queue_work(&iter->local->hw, 3434 &iter->deflink.csa_finalize_work); 3435 } 3436 } 3437 ieee80211_queue_work(&local->hw, &sdata->deflink.csa_finalize_work); 3438 3439 rcu_read_unlock(); 3440 } 3441 EXPORT_SYMBOL(ieee80211_csa_finish); 3442 3443 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif, bool block_tx) 3444 { 3445 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3446 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3447 struct ieee80211_local *local = sdata->local; 3448 3449 sdata->deflink.csa_block_tx = block_tx; 3450 sdata_info(sdata, "channel switch failed, disconnecting\n"); 3451 ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work); 3452 } 3453 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 3454 3455 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 3456 u32 *changed) 3457 { 3458 int err; 3459 3460 switch (sdata->vif.type) { 3461 case NL80211_IFTYPE_AP: 3462 if (!sdata->deflink.u.ap.next_beacon) 3463 return -EINVAL; 3464 3465 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 3466 sdata->deflink.u.ap.next_beacon, 3467 NULL, NULL); 3468 ieee80211_free_next_beacon(&sdata->deflink); 3469 3470 if (err < 0) 3471 return err; 3472 *changed |= err; 3473 break; 3474 case NL80211_IFTYPE_ADHOC: 3475 err = ieee80211_ibss_finish_csa(sdata); 3476 if (err < 0) 3477 return err; 3478 *changed |= err; 3479 break; 3480 #ifdef CONFIG_MAC80211_MESH 3481 case NL80211_IFTYPE_MESH_POINT: 3482 err = ieee80211_mesh_finish_csa(sdata); 3483 if (err < 0) 3484 return err; 3485 *changed |= err; 3486 break; 3487 #endif 3488 default: 3489 WARN_ON(1); 3490 return -EINVAL; 3491 } 3492 3493 return 0; 3494 } 3495 3496 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3497 { 3498 struct ieee80211_local *local = sdata->local; 3499 u32 changed = 0; 3500 int err; 3501 3502 sdata_assert_lock(sdata); 3503 lockdep_assert_held(&local->mtx); 3504 lockdep_assert_held(&local->chanctx_mtx); 3505 3506 /* 3507 * using reservation isn't immediate as it may be deferred until later 3508 * with multi-vif. once reservation is complete it will re-schedule the 3509 * work with no reserved_chanctx so verify chandef to check if it 3510 * completed successfully 3511 */ 3512 3513 if (sdata->deflink.reserved_chanctx) { 3514 /* 3515 * with multi-vif csa driver may call ieee80211_csa_finish() 3516 * many times while waiting for other interfaces to use their 3517 * reservations 3518 */ 3519 if (sdata->deflink.reserved_ready) 3520 return 0; 3521 3522 return ieee80211_link_use_reserved_context(&sdata->deflink); 3523 } 3524 3525 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 3526 &sdata->deflink.csa_chandef)) 3527 return -EINVAL; 3528 3529 sdata->vif.bss_conf.csa_active = false; 3530 3531 err = ieee80211_set_after_csa_beacon(sdata, &changed); 3532 if (err) 3533 return err; 3534 3535 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed); 3536 3537 if (sdata->deflink.csa_block_tx) { 3538 ieee80211_wake_vif_queues(local, sdata, 3539 IEEE80211_QUEUE_STOP_REASON_CSA); 3540 sdata->deflink.csa_block_tx = false; 3541 } 3542 3543 err = drv_post_channel_switch(sdata); 3544 if (err) 3545 return err; 3546 3547 cfg80211_ch_switch_notify(sdata->dev, &sdata->deflink.csa_chandef, 0); 3548 3549 return 0; 3550 } 3551 3552 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3553 { 3554 if (__ieee80211_csa_finalize(sdata)) { 3555 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 3556 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 3557 GFP_KERNEL); 3558 } 3559 } 3560 3561 void ieee80211_csa_finalize_work(struct work_struct *work) 3562 { 3563 struct ieee80211_sub_if_data *sdata = 3564 container_of(work, struct ieee80211_sub_if_data, 3565 deflink.csa_finalize_work); 3566 struct ieee80211_local *local = sdata->local; 3567 3568 sdata_lock(sdata); 3569 mutex_lock(&local->mtx); 3570 mutex_lock(&local->chanctx_mtx); 3571 3572 /* AP might have been stopped while waiting for the lock. */ 3573 if (!sdata->vif.bss_conf.csa_active) 3574 goto unlock; 3575 3576 if (!ieee80211_sdata_running(sdata)) 3577 goto unlock; 3578 3579 ieee80211_csa_finalize(sdata); 3580 3581 unlock: 3582 mutex_unlock(&local->chanctx_mtx); 3583 mutex_unlock(&local->mtx); 3584 sdata_unlock(sdata); 3585 } 3586 3587 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 3588 struct cfg80211_csa_settings *params, 3589 u32 *changed) 3590 { 3591 struct ieee80211_csa_settings csa = {}; 3592 int err; 3593 3594 switch (sdata->vif.type) { 3595 case NL80211_IFTYPE_AP: 3596 sdata->deflink.u.ap.next_beacon = 3597 cfg80211_beacon_dup(¶ms->beacon_after); 3598 if (!sdata->deflink.u.ap.next_beacon) 3599 return -ENOMEM; 3600 3601 /* 3602 * With a count of 0, we don't have to wait for any 3603 * TBTT before switching, so complete the CSA 3604 * immediately. In theory, with a count == 1 we 3605 * should delay the switch until just before the next 3606 * TBTT, but that would complicate things so we switch 3607 * immediately too. If we would delay the switch 3608 * until the next TBTT, we would have to set the probe 3609 * response here. 3610 * 3611 * TODO: A channel switch with count <= 1 without 3612 * sending a CSA action frame is kind of useless, 3613 * because the clients won't know we're changing 3614 * channels. The action frame must be implemented 3615 * either here or in the userspace. 3616 */ 3617 if (params->count <= 1) 3618 break; 3619 3620 if ((params->n_counter_offsets_beacon > 3621 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 3622 (params->n_counter_offsets_presp > 3623 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 3624 ieee80211_free_next_beacon(&sdata->deflink); 3625 return -EINVAL; 3626 } 3627 3628 csa.counter_offsets_beacon = params->counter_offsets_beacon; 3629 csa.counter_offsets_presp = params->counter_offsets_presp; 3630 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 3631 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 3632 csa.count = params->count; 3633 3634 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 3635 ¶ms->beacon_csa, &csa, 3636 NULL); 3637 if (err < 0) { 3638 ieee80211_free_next_beacon(&sdata->deflink); 3639 return err; 3640 } 3641 *changed |= err; 3642 3643 break; 3644 case NL80211_IFTYPE_ADHOC: 3645 if (!sdata->vif.cfg.ibss_joined) 3646 return -EINVAL; 3647 3648 if (params->chandef.width != sdata->u.ibss.chandef.width) 3649 return -EINVAL; 3650 3651 switch (params->chandef.width) { 3652 case NL80211_CHAN_WIDTH_40: 3653 if (cfg80211_get_chandef_type(¶ms->chandef) != 3654 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3655 return -EINVAL; 3656 break; 3657 case NL80211_CHAN_WIDTH_5: 3658 case NL80211_CHAN_WIDTH_10: 3659 case NL80211_CHAN_WIDTH_20_NOHT: 3660 case NL80211_CHAN_WIDTH_20: 3661 break; 3662 default: 3663 return -EINVAL; 3664 } 3665 3666 /* changes into another band are not supported */ 3667 if (sdata->u.ibss.chandef.chan->band != 3668 params->chandef.chan->band) 3669 return -EINVAL; 3670 3671 /* see comments in the NL80211_IFTYPE_AP block */ 3672 if (params->count > 1) { 3673 err = ieee80211_ibss_csa_beacon(sdata, params); 3674 if (err < 0) 3675 return err; 3676 *changed |= err; 3677 } 3678 3679 ieee80211_send_action_csa(sdata, params); 3680 3681 break; 3682 #ifdef CONFIG_MAC80211_MESH 3683 case NL80211_IFTYPE_MESH_POINT: { 3684 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3685 3686 /* changes into another band are not supported */ 3687 if (sdata->vif.bss_conf.chandef.chan->band != 3688 params->chandef.chan->band) 3689 return -EINVAL; 3690 3691 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3692 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3693 if (!ifmsh->pre_value) 3694 ifmsh->pre_value = 1; 3695 else 3696 ifmsh->pre_value++; 3697 } 3698 3699 /* see comments in the NL80211_IFTYPE_AP block */ 3700 if (params->count > 1) { 3701 err = ieee80211_mesh_csa_beacon(sdata, params); 3702 if (err < 0) { 3703 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3704 return err; 3705 } 3706 *changed |= err; 3707 } 3708 3709 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3710 ieee80211_send_action_csa(sdata, params); 3711 3712 break; 3713 } 3714 #endif 3715 default: 3716 return -EOPNOTSUPP; 3717 } 3718 3719 return 0; 3720 } 3721 3722 static void ieee80211_color_change_abort(struct ieee80211_sub_if_data *sdata) 3723 { 3724 sdata->vif.bss_conf.color_change_active = false; 3725 3726 ieee80211_free_next_beacon(&sdata->deflink); 3727 3728 cfg80211_color_change_aborted_notify(sdata->dev); 3729 } 3730 3731 static int 3732 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3733 struct cfg80211_csa_settings *params) 3734 { 3735 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3736 struct ieee80211_local *local = sdata->local; 3737 struct ieee80211_channel_switch ch_switch; 3738 struct ieee80211_chanctx_conf *conf; 3739 struct ieee80211_chanctx *chanctx; 3740 u32 changed = 0; 3741 int err; 3742 3743 sdata_assert_lock(sdata); 3744 lockdep_assert_held(&local->mtx); 3745 3746 if (!list_empty(&local->roc_list) || local->scanning) 3747 return -EBUSY; 3748 3749 if (sdata->wdev.cac_started) 3750 return -EBUSY; 3751 3752 if (cfg80211_chandef_identical(¶ms->chandef, 3753 &sdata->vif.bss_conf.chandef)) 3754 return -EINVAL; 3755 3756 /* don't allow another channel switch if one is already active. */ 3757 if (sdata->vif.bss_conf.csa_active) 3758 return -EBUSY; 3759 3760 mutex_lock(&local->chanctx_mtx); 3761 conf = rcu_dereference_protected(sdata->vif.bss_conf.chanctx_conf, 3762 lockdep_is_held(&local->chanctx_mtx)); 3763 if (!conf) { 3764 err = -EBUSY; 3765 goto out; 3766 } 3767 3768 if (params->chandef.chan->freq_offset) { 3769 /* this may work, but is untested */ 3770 err = -EOPNOTSUPP; 3771 goto out; 3772 } 3773 3774 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3775 3776 ch_switch.timestamp = 0; 3777 ch_switch.device_timestamp = 0; 3778 ch_switch.block_tx = params->block_tx; 3779 ch_switch.chandef = params->chandef; 3780 ch_switch.count = params->count; 3781 3782 err = drv_pre_channel_switch(sdata, &ch_switch); 3783 if (err) 3784 goto out; 3785 3786 err = ieee80211_link_reserve_chanctx(&sdata->deflink, ¶ms->chandef, 3787 chanctx->mode, 3788 params->radar_required); 3789 if (err) 3790 goto out; 3791 3792 /* if reservation is invalid then this will fail */ 3793 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3794 if (err) { 3795 ieee80211_link_unreserve_chanctx(&sdata->deflink); 3796 goto out; 3797 } 3798 3799 /* if there is a color change in progress, abort it */ 3800 if (sdata->vif.bss_conf.color_change_active) 3801 ieee80211_color_change_abort(sdata); 3802 3803 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3804 if (err) { 3805 ieee80211_link_unreserve_chanctx(&sdata->deflink); 3806 goto out; 3807 } 3808 3809 sdata->deflink.csa_chandef = params->chandef; 3810 sdata->deflink.csa_block_tx = params->block_tx; 3811 sdata->vif.bss_conf.csa_active = true; 3812 3813 if (sdata->deflink.csa_block_tx) 3814 ieee80211_stop_vif_queues(local, sdata, 3815 IEEE80211_QUEUE_STOP_REASON_CSA); 3816 3817 cfg80211_ch_switch_started_notify(sdata->dev, 3818 &sdata->deflink.csa_chandef, 0, 3819 params->count, params->block_tx); 3820 3821 if (changed) { 3822 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3823 changed); 3824 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3825 } else { 3826 /* if the beacon didn't change, we can finalize immediately */ 3827 ieee80211_csa_finalize(sdata); 3828 } 3829 3830 out: 3831 mutex_unlock(&local->chanctx_mtx); 3832 return err; 3833 } 3834 3835 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3836 struct cfg80211_csa_settings *params) 3837 { 3838 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3839 struct ieee80211_local *local = sdata->local; 3840 int err; 3841 3842 mutex_lock(&local->mtx); 3843 err = __ieee80211_channel_switch(wiphy, dev, params); 3844 mutex_unlock(&local->mtx); 3845 3846 return err; 3847 } 3848 3849 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3850 { 3851 lockdep_assert_held(&local->mtx); 3852 3853 local->roc_cookie_counter++; 3854 3855 /* wow, you wrapped 64 bits ... more likely a bug */ 3856 if (WARN_ON(local->roc_cookie_counter == 0)) 3857 local->roc_cookie_counter++; 3858 3859 return local->roc_cookie_counter; 3860 } 3861 3862 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3863 u64 *cookie, gfp_t gfp) 3864 { 3865 unsigned long spin_flags; 3866 struct sk_buff *ack_skb; 3867 int id; 3868 3869 ack_skb = skb_copy(skb, gfp); 3870 if (!ack_skb) 3871 return -ENOMEM; 3872 3873 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3874 id = idr_alloc(&local->ack_status_frames, ack_skb, 3875 1, 0x2000, GFP_ATOMIC); 3876 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3877 3878 if (id < 0) { 3879 kfree_skb(ack_skb); 3880 return -ENOMEM; 3881 } 3882 3883 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3884 3885 *cookie = ieee80211_mgmt_tx_cookie(local); 3886 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3887 3888 return 0; 3889 } 3890 3891 static void 3892 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 3893 struct wireless_dev *wdev, 3894 struct mgmt_frame_regs *upd) 3895 { 3896 struct ieee80211_local *local = wiphy_priv(wiphy); 3897 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3898 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 3899 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 3900 bool global_change, intf_change; 3901 3902 global_change = 3903 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 3904 (local->rx_mcast_action_reg != 3905 !!(upd->global_mcast_stypes & action_mask)); 3906 local->probe_req_reg = upd->global_stypes & preq_mask; 3907 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 3908 3909 intf_change = (sdata->vif.probe_req_reg != 3910 !!(upd->interface_stypes & preq_mask)) || 3911 (sdata->vif.rx_mcast_action_reg != 3912 !!(upd->interface_mcast_stypes & action_mask)); 3913 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 3914 sdata->vif.rx_mcast_action_reg = 3915 upd->interface_mcast_stypes & action_mask; 3916 3917 if (!local->open_count) 3918 return; 3919 3920 if (intf_change && ieee80211_sdata_running(sdata)) 3921 drv_config_iface_filter(local, sdata, 3922 sdata->vif.probe_req_reg ? 3923 FIF_PROBE_REQ : 0, 3924 FIF_PROBE_REQ); 3925 3926 if (global_change) 3927 ieee80211_configure_filter(local); 3928 } 3929 3930 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3931 { 3932 struct ieee80211_local *local = wiphy_priv(wiphy); 3933 3934 if (local->started) 3935 return -EOPNOTSUPP; 3936 3937 return drv_set_antenna(local, tx_ant, rx_ant); 3938 } 3939 3940 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3941 { 3942 struct ieee80211_local *local = wiphy_priv(wiphy); 3943 3944 return drv_get_antenna(local, tx_ant, rx_ant); 3945 } 3946 3947 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3948 struct net_device *dev, 3949 struct cfg80211_gtk_rekey_data *data) 3950 { 3951 struct ieee80211_local *local = wiphy_priv(wiphy); 3952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3953 3954 if (!local->ops->set_rekey_data) 3955 return -EOPNOTSUPP; 3956 3957 drv_set_rekey_data(local, sdata, data); 3958 3959 return 0; 3960 } 3961 3962 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3963 const u8 *peer, u64 *cookie) 3964 { 3965 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3966 struct ieee80211_local *local = sdata->local; 3967 struct ieee80211_qos_hdr *nullfunc; 3968 struct sk_buff *skb; 3969 int size = sizeof(*nullfunc); 3970 __le16 fc; 3971 bool qos; 3972 struct ieee80211_tx_info *info; 3973 struct sta_info *sta; 3974 struct ieee80211_chanctx_conf *chanctx_conf; 3975 enum nl80211_band band; 3976 int ret; 3977 3978 /* the lock is needed to assign the cookie later */ 3979 mutex_lock(&local->mtx); 3980 3981 rcu_read_lock(); 3982 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 3983 if (WARN_ON(!chanctx_conf)) { 3984 ret = -EINVAL; 3985 goto unlock; 3986 } 3987 band = chanctx_conf->def.chan->band; 3988 sta = sta_info_get_bss(sdata, peer); 3989 if (sta) { 3990 qos = sta->sta.wme; 3991 } else { 3992 ret = -ENOLINK; 3993 goto unlock; 3994 } 3995 3996 if (qos) { 3997 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3998 IEEE80211_STYPE_QOS_NULLFUNC | 3999 IEEE80211_FCTL_FROMDS); 4000 } else { 4001 size -= 2; 4002 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4003 IEEE80211_STYPE_NULLFUNC | 4004 IEEE80211_FCTL_FROMDS); 4005 } 4006 4007 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 4008 if (!skb) { 4009 ret = -ENOMEM; 4010 goto unlock; 4011 } 4012 4013 skb->dev = dev; 4014 4015 skb_reserve(skb, local->hw.extra_tx_headroom); 4016 4017 nullfunc = skb_put(skb, size); 4018 nullfunc->frame_control = fc; 4019 nullfunc->duration_id = 0; 4020 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 4021 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 4022 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 4023 nullfunc->seq_ctrl = 0; 4024 4025 info = IEEE80211_SKB_CB(skb); 4026 4027 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 4028 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 4029 info->band = band; 4030 4031 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 4032 skb->priority = 7; 4033 if (qos) 4034 nullfunc->qos_ctrl = cpu_to_le16(7); 4035 4036 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 4037 if (ret) { 4038 kfree_skb(skb); 4039 goto unlock; 4040 } 4041 4042 local_bh_disable(); 4043 ieee80211_xmit(sdata, sta, skb); 4044 local_bh_enable(); 4045 4046 ret = 0; 4047 unlock: 4048 rcu_read_unlock(); 4049 mutex_unlock(&local->mtx); 4050 4051 return ret; 4052 } 4053 4054 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 4055 struct wireless_dev *wdev, 4056 unsigned int link_id, 4057 struct cfg80211_chan_def *chandef) 4058 { 4059 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4060 struct ieee80211_local *local = wiphy_priv(wiphy); 4061 struct ieee80211_chanctx_conf *chanctx_conf; 4062 struct ieee80211_link_data *link; 4063 int ret = -ENODATA; 4064 4065 rcu_read_lock(); 4066 link = rcu_dereference(sdata->link[link_id]); 4067 if (!link) { 4068 ret = -ENOLINK; 4069 goto out; 4070 } 4071 4072 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 4073 if (chanctx_conf) { 4074 *chandef = link->conf->chandef; 4075 ret = 0; 4076 } else if (local->open_count > 0 && 4077 local->open_count == local->monitors && 4078 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 4079 if (local->use_chanctx) 4080 *chandef = local->monitor_chandef; 4081 else 4082 *chandef = local->_oper_chandef; 4083 ret = 0; 4084 } 4085 out: 4086 rcu_read_unlock(); 4087 4088 return ret; 4089 } 4090 4091 #ifdef CONFIG_PM 4092 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 4093 { 4094 drv_set_wakeup(wiphy_priv(wiphy), enabled); 4095 } 4096 #endif 4097 4098 static int ieee80211_set_qos_map(struct wiphy *wiphy, 4099 struct net_device *dev, 4100 struct cfg80211_qos_map *qos_map) 4101 { 4102 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4103 struct mac80211_qos_map *new_qos_map, *old_qos_map; 4104 4105 if (qos_map) { 4106 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 4107 if (!new_qos_map) 4108 return -ENOMEM; 4109 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 4110 } else { 4111 /* A NULL qos_map was passed to disable QoS mapping */ 4112 new_qos_map = NULL; 4113 } 4114 4115 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 4116 rcu_assign_pointer(sdata->qos_map, new_qos_map); 4117 if (old_qos_map) 4118 kfree_rcu(old_qos_map, rcu_head); 4119 4120 return 0; 4121 } 4122 4123 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 4124 struct net_device *dev, 4125 unsigned int link_id, 4126 struct cfg80211_chan_def *chandef) 4127 { 4128 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4129 struct ieee80211_link_data *link; 4130 int ret; 4131 u32 changed = 0; 4132 4133 link = sdata_dereference(sdata->link[link_id], sdata); 4134 4135 ret = ieee80211_link_change_bandwidth(link, chandef, &changed); 4136 if (ret == 0) 4137 ieee80211_link_info_change_notify(sdata, link, changed); 4138 4139 return ret; 4140 } 4141 4142 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4143 u8 tsid, const u8 *peer, u8 up, 4144 u16 admitted_time) 4145 { 4146 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4147 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4148 int ac = ieee802_1d_to_ac[up]; 4149 4150 if (sdata->vif.type != NL80211_IFTYPE_STATION) 4151 return -EOPNOTSUPP; 4152 4153 if (!(sdata->wmm_acm & BIT(up))) 4154 return -EINVAL; 4155 4156 if (ifmgd->tx_tspec[ac].admitted_time) 4157 return -EBUSY; 4158 4159 if (admitted_time) { 4160 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 4161 ifmgd->tx_tspec[ac].tsid = tsid; 4162 ifmgd->tx_tspec[ac].up = up; 4163 } 4164 4165 return 0; 4166 } 4167 4168 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4169 u8 tsid, const u8 *peer) 4170 { 4171 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4172 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4173 struct ieee80211_local *local = wiphy_priv(wiphy); 4174 int ac; 4175 4176 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 4177 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 4178 4179 /* skip unused entries */ 4180 if (!tx_tspec->admitted_time) 4181 continue; 4182 4183 if (tx_tspec->tsid != tsid) 4184 continue; 4185 4186 /* due to this new packets will be reassigned to non-ACM ACs */ 4187 tx_tspec->up = -1; 4188 4189 /* Make sure that all packets have been sent to avoid to 4190 * restore the QoS params on packets that are still on the 4191 * queues. 4192 */ 4193 synchronize_net(); 4194 ieee80211_flush_queues(local, sdata, false); 4195 4196 /* restore the normal QoS parameters 4197 * (unconditionally to avoid races) 4198 */ 4199 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 4200 tx_tspec->downgraded = false; 4201 ieee80211_sta_handle_tspec_ac_params(sdata); 4202 4203 /* finally clear all the data */ 4204 memset(tx_tspec, 0, sizeof(*tx_tspec)); 4205 4206 return 0; 4207 } 4208 4209 return -ENOENT; 4210 } 4211 4212 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 4213 u8 inst_id, 4214 enum nl80211_nan_func_term_reason reason, 4215 gfp_t gfp) 4216 { 4217 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4218 struct cfg80211_nan_func *func; 4219 u64 cookie; 4220 4221 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4222 return; 4223 4224 spin_lock_bh(&sdata->u.nan.func_lock); 4225 4226 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 4227 if (WARN_ON(!func)) { 4228 spin_unlock_bh(&sdata->u.nan.func_lock); 4229 return; 4230 } 4231 4232 cookie = func->cookie; 4233 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 4234 4235 spin_unlock_bh(&sdata->u.nan.func_lock); 4236 4237 cfg80211_free_nan_func(func); 4238 4239 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 4240 reason, cookie, gfp); 4241 } 4242 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 4243 4244 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 4245 struct cfg80211_nan_match_params *match, 4246 gfp_t gfp) 4247 { 4248 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4249 struct cfg80211_nan_func *func; 4250 4251 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4252 return; 4253 4254 spin_lock_bh(&sdata->u.nan.func_lock); 4255 4256 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 4257 if (WARN_ON(!func)) { 4258 spin_unlock_bh(&sdata->u.nan.func_lock); 4259 return; 4260 } 4261 match->cookie = func->cookie; 4262 4263 spin_unlock_bh(&sdata->u.nan.func_lock); 4264 4265 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 4266 } 4267 EXPORT_SYMBOL(ieee80211_nan_func_match); 4268 4269 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 4270 struct net_device *dev, 4271 const bool enabled) 4272 { 4273 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4274 4275 sdata->u.ap.multicast_to_unicast = enabled; 4276 4277 return 0; 4278 } 4279 4280 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 4281 struct txq_info *txqi) 4282 { 4283 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 4284 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 4285 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 4286 } 4287 4288 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 4289 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 4290 txqstats->backlog_packets = txqi->tin.backlog_packets; 4291 } 4292 4293 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 4294 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 4295 txqstats->flows = txqi->tin.flows; 4296 } 4297 4298 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 4299 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 4300 txqstats->drops = txqi->cstats.drop_count; 4301 } 4302 4303 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 4304 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 4305 txqstats->ecn_marks = txqi->cstats.ecn_mark; 4306 } 4307 4308 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 4309 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 4310 txqstats->overlimit = txqi->tin.overlimit; 4311 } 4312 4313 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 4314 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 4315 txqstats->collisions = txqi->tin.collisions; 4316 } 4317 4318 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 4319 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 4320 txqstats->tx_bytes = txqi->tin.tx_bytes; 4321 } 4322 4323 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 4324 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 4325 txqstats->tx_packets = txqi->tin.tx_packets; 4326 } 4327 } 4328 4329 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 4330 struct wireless_dev *wdev, 4331 struct cfg80211_txq_stats *txqstats) 4332 { 4333 struct ieee80211_local *local = wiphy_priv(wiphy); 4334 struct ieee80211_sub_if_data *sdata; 4335 int ret = 0; 4336 4337 if (!local->ops->wake_tx_queue) 4338 return 1; 4339 4340 spin_lock_bh(&local->fq.lock); 4341 rcu_read_lock(); 4342 4343 if (wdev) { 4344 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4345 if (!sdata->vif.txq) { 4346 ret = 1; 4347 goto out; 4348 } 4349 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 4350 } else { 4351 /* phy stats */ 4352 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 4353 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 4354 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 4355 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 4356 BIT(NL80211_TXQ_STATS_COLLISIONS) | 4357 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 4358 txqstats->backlog_packets = local->fq.backlog; 4359 txqstats->backlog_bytes = local->fq.memory_usage; 4360 txqstats->overlimit = local->fq.overlimit; 4361 txqstats->overmemory = local->fq.overmemory; 4362 txqstats->collisions = local->fq.collisions; 4363 txqstats->max_flows = local->fq.flows_cnt; 4364 } 4365 4366 out: 4367 rcu_read_unlock(); 4368 spin_unlock_bh(&local->fq.lock); 4369 4370 return ret; 4371 } 4372 4373 static int 4374 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4375 struct net_device *dev, 4376 struct cfg80211_ftm_responder_stats *ftm_stats) 4377 { 4378 struct ieee80211_local *local = wiphy_priv(wiphy); 4379 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4380 4381 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4382 } 4383 4384 static int 4385 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4386 struct cfg80211_pmsr_request *request) 4387 { 4388 struct ieee80211_local *local = wiphy_priv(wiphy); 4389 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4390 4391 return drv_start_pmsr(local, sdata, request); 4392 } 4393 4394 static void 4395 ieee80211_abort_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_abort_pmsr(local, sdata, request); 4402 } 4403 4404 static int ieee80211_set_tid_config(struct wiphy *wiphy, 4405 struct net_device *dev, 4406 struct cfg80211_tid_config *tid_conf) 4407 { 4408 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4409 struct sta_info *sta; 4410 int ret; 4411 4412 if (!sdata->local->ops->set_tid_config) 4413 return -EOPNOTSUPP; 4414 4415 if (!tid_conf->peer) 4416 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 4417 4418 mutex_lock(&sdata->local->sta_mtx); 4419 sta = sta_info_get_bss(sdata, tid_conf->peer); 4420 if (!sta) { 4421 mutex_unlock(&sdata->local->sta_mtx); 4422 return -ENOENT; 4423 } 4424 4425 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 4426 mutex_unlock(&sdata->local->sta_mtx); 4427 4428 return ret; 4429 } 4430 4431 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 4432 struct net_device *dev, 4433 const u8 *peer, u8 tids) 4434 { 4435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4436 struct sta_info *sta; 4437 int ret; 4438 4439 if (!sdata->local->ops->reset_tid_config) 4440 return -EOPNOTSUPP; 4441 4442 if (!peer) 4443 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 4444 4445 mutex_lock(&sdata->local->sta_mtx); 4446 sta = sta_info_get_bss(sdata, peer); 4447 if (!sta) { 4448 mutex_unlock(&sdata->local->sta_mtx); 4449 return -ENOENT; 4450 } 4451 4452 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 4453 mutex_unlock(&sdata->local->sta_mtx); 4454 4455 return ret; 4456 } 4457 4458 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 4459 struct cfg80211_sar_specs *sar) 4460 { 4461 struct ieee80211_local *local = wiphy_priv(wiphy); 4462 4463 if (!local->ops->set_sar_specs) 4464 return -EOPNOTSUPP; 4465 4466 return local->ops->set_sar_specs(&local->hw, sar); 4467 } 4468 4469 static int 4470 ieee80211_set_after_color_change_beacon(struct ieee80211_sub_if_data *sdata, 4471 u32 *changed) 4472 { 4473 switch (sdata->vif.type) { 4474 case NL80211_IFTYPE_AP: { 4475 int ret; 4476 4477 if (!sdata->deflink.u.ap.next_beacon) 4478 return -EINVAL; 4479 4480 ret = ieee80211_assign_beacon(sdata, &sdata->deflink, 4481 sdata->deflink.u.ap.next_beacon, 4482 NULL, NULL); 4483 ieee80211_free_next_beacon(&sdata->deflink); 4484 4485 if (ret < 0) 4486 return ret; 4487 4488 *changed |= ret; 4489 break; 4490 } 4491 default: 4492 WARN_ON_ONCE(1); 4493 return -EINVAL; 4494 } 4495 4496 return 0; 4497 } 4498 4499 static int 4500 ieee80211_set_color_change_beacon(struct ieee80211_sub_if_data *sdata, 4501 struct cfg80211_color_change_settings *params, 4502 u32 *changed) 4503 { 4504 struct ieee80211_color_change_settings color_change = {}; 4505 int err; 4506 4507 switch (sdata->vif.type) { 4508 case NL80211_IFTYPE_AP: 4509 sdata->deflink.u.ap.next_beacon = 4510 cfg80211_beacon_dup(¶ms->beacon_next); 4511 if (!sdata->deflink.u.ap.next_beacon) 4512 return -ENOMEM; 4513 4514 if (params->count <= 1) 4515 break; 4516 4517 color_change.counter_offset_beacon = 4518 params->counter_offset_beacon; 4519 color_change.counter_offset_presp = 4520 params->counter_offset_presp; 4521 color_change.count = params->count; 4522 4523 err = ieee80211_assign_beacon(sdata, &sdata->deflink, 4524 ¶ms->beacon_color_change, 4525 NULL, &color_change); 4526 if (err < 0) { 4527 ieee80211_free_next_beacon(&sdata->deflink); 4528 return err; 4529 } 4530 *changed |= err; 4531 break; 4532 default: 4533 return -EOPNOTSUPP; 4534 } 4535 4536 return 0; 4537 } 4538 4539 static void 4540 ieee80211_color_change_bss_config_notify(struct ieee80211_sub_if_data *sdata, 4541 u8 color, int enable, u32 changed) 4542 { 4543 sdata->vif.bss_conf.he_bss_color.color = color; 4544 sdata->vif.bss_conf.he_bss_color.enabled = enable; 4545 changed |= BSS_CHANGED_HE_BSS_COLOR; 4546 4547 ieee80211_link_info_change_notify(sdata, &sdata->deflink, changed); 4548 4549 if (!sdata->vif.bss_conf.nontransmitted && sdata->vif.mbssid_tx_vif) { 4550 struct ieee80211_sub_if_data *child; 4551 4552 mutex_lock(&sdata->local->iflist_mtx); 4553 list_for_each_entry(child, &sdata->local->interfaces, list) { 4554 if (child != sdata && child->vif.mbssid_tx_vif == &sdata->vif) { 4555 child->vif.bss_conf.he_bss_color.color = color; 4556 child->vif.bss_conf.he_bss_color.enabled = enable; 4557 ieee80211_link_info_change_notify(child, 4558 &child->deflink, 4559 BSS_CHANGED_HE_BSS_COLOR); 4560 } 4561 } 4562 mutex_unlock(&sdata->local->iflist_mtx); 4563 } 4564 } 4565 4566 static int ieee80211_color_change_finalize(struct ieee80211_sub_if_data *sdata) 4567 { 4568 struct ieee80211_local *local = sdata->local; 4569 u32 changed = 0; 4570 int err; 4571 4572 sdata_assert_lock(sdata); 4573 lockdep_assert_held(&local->mtx); 4574 4575 sdata->vif.bss_conf.color_change_active = false; 4576 4577 err = ieee80211_set_after_color_change_beacon(sdata, &changed); 4578 if (err) { 4579 cfg80211_color_change_aborted_notify(sdata->dev); 4580 return err; 4581 } 4582 4583 ieee80211_color_change_bss_config_notify(sdata, 4584 sdata->vif.bss_conf.color_change_color, 4585 1, changed); 4586 cfg80211_color_change_notify(sdata->dev); 4587 4588 return 0; 4589 } 4590 4591 void ieee80211_color_change_finalize_work(struct work_struct *work) 4592 { 4593 struct ieee80211_sub_if_data *sdata = 4594 container_of(work, struct ieee80211_sub_if_data, 4595 deflink.color_change_finalize_work); 4596 struct ieee80211_local *local = sdata->local; 4597 4598 sdata_lock(sdata); 4599 mutex_lock(&local->mtx); 4600 4601 /* AP might have been stopped while waiting for the lock. */ 4602 if (!sdata->vif.bss_conf.color_change_active) 4603 goto unlock; 4604 4605 if (!ieee80211_sdata_running(sdata)) 4606 goto unlock; 4607 4608 ieee80211_color_change_finalize(sdata); 4609 4610 unlock: 4611 mutex_unlock(&local->mtx); 4612 sdata_unlock(sdata); 4613 } 4614 4615 void ieee80211_color_change_finish(struct ieee80211_vif *vif) 4616 { 4617 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4618 4619 ieee80211_queue_work(&sdata->local->hw, 4620 &sdata->deflink.color_change_finalize_work); 4621 } 4622 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 4623 4624 void 4625 ieeee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 4626 u64 color_bitmap, gfp_t gfp) 4627 { 4628 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4629 4630 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) 4631 return; 4632 4633 cfg80211_obss_color_collision_notify(sdata->dev, color_bitmap, gfp); 4634 } 4635 EXPORT_SYMBOL_GPL(ieeee80211_obss_color_collision_notify); 4636 4637 static int 4638 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 4639 struct cfg80211_color_change_settings *params) 4640 { 4641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4642 struct ieee80211_local *local = sdata->local; 4643 u32 changed = 0; 4644 int err; 4645 4646 sdata_assert_lock(sdata); 4647 4648 if (sdata->vif.bss_conf.nontransmitted) 4649 return -EINVAL; 4650 4651 mutex_lock(&local->mtx); 4652 4653 /* don't allow another color change if one is already active or if csa 4654 * is active 4655 */ 4656 if (sdata->vif.bss_conf.color_change_active || sdata->vif.bss_conf.csa_active) { 4657 err = -EBUSY; 4658 goto out; 4659 } 4660 4661 err = ieee80211_set_color_change_beacon(sdata, params, &changed); 4662 if (err) 4663 goto out; 4664 4665 sdata->vif.bss_conf.color_change_active = true; 4666 sdata->vif.bss_conf.color_change_color = params->color; 4667 4668 cfg80211_color_change_started_notify(sdata->dev, params->count); 4669 4670 if (changed) 4671 ieee80211_color_change_bss_config_notify(sdata, 0, 0, changed); 4672 else 4673 /* if the beacon didn't change, we can finalize immediately */ 4674 ieee80211_color_change_finalize(sdata); 4675 4676 out: 4677 mutex_unlock(&local->mtx); 4678 4679 return err; 4680 } 4681 4682 static int 4683 ieee80211_set_radar_background(struct wiphy *wiphy, 4684 struct cfg80211_chan_def *chandef) 4685 { 4686 struct ieee80211_local *local = wiphy_priv(wiphy); 4687 4688 if (!local->ops->set_radar_background) 4689 return -EOPNOTSUPP; 4690 4691 return local->ops->set_radar_background(&local->hw, chandef); 4692 } 4693 4694 static int ieee80211_add_intf_link(struct wiphy *wiphy, 4695 struct wireless_dev *wdev, 4696 unsigned int link_id) 4697 { 4698 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4699 4700 return ieee80211_vif_set_links(sdata, wdev->valid_links); 4701 } 4702 4703 static void ieee80211_del_intf_link(struct wiphy *wiphy, 4704 struct wireless_dev *wdev, 4705 unsigned int link_id) 4706 { 4707 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4708 4709 ieee80211_vif_set_links(sdata, wdev->valid_links); 4710 } 4711 4712 static int sta_add_link_station(struct ieee80211_local *local, 4713 struct ieee80211_sub_if_data *sdata, 4714 struct link_station_parameters *params) 4715 { 4716 struct sta_info *sta; 4717 int ret; 4718 4719 sta = sta_info_get_bss(sdata, params->mld_mac); 4720 if (!sta) 4721 return -ENOENT; 4722 4723 if (!sta->sta.valid_links) 4724 return -EINVAL; 4725 4726 if (sta->sta.valid_links & BIT(params->link_id)) 4727 return -EALREADY; 4728 4729 ret = ieee80211_sta_allocate_link(sta, params->link_id); 4730 if (ret) 4731 return ret; 4732 4733 ret = sta_link_apply_parameters(local, sta, true, params); 4734 if (ret) { 4735 ieee80211_sta_free_link(sta, params->link_id); 4736 return ret; 4737 } 4738 4739 /* ieee80211_sta_activate_link frees the link upon failure */ 4740 return ieee80211_sta_activate_link(sta, params->link_id); 4741 } 4742 4743 static int 4744 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 4745 struct link_station_parameters *params) 4746 { 4747 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4748 struct ieee80211_local *local = wiphy_priv(wiphy); 4749 int ret; 4750 4751 mutex_lock(&sdata->local->sta_mtx); 4752 ret = sta_add_link_station(local, sdata, params); 4753 mutex_unlock(&sdata->local->sta_mtx); 4754 4755 return ret; 4756 } 4757 4758 static int sta_mod_link_station(struct ieee80211_local *local, 4759 struct ieee80211_sub_if_data *sdata, 4760 struct link_station_parameters *params) 4761 { 4762 struct sta_info *sta; 4763 4764 sta = sta_info_get_bss(sdata, params->mld_mac); 4765 if (!sta) 4766 return -ENOENT; 4767 4768 if (!(sta->sta.valid_links & BIT(params->link_id))) 4769 return -EINVAL; 4770 4771 return sta_link_apply_parameters(local, sta, false, params); 4772 } 4773 4774 static int 4775 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 4776 struct link_station_parameters *params) 4777 { 4778 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4779 struct ieee80211_local *local = wiphy_priv(wiphy); 4780 int ret; 4781 4782 mutex_lock(&sdata->local->sta_mtx); 4783 ret = sta_mod_link_station(local, sdata, params); 4784 mutex_unlock(&sdata->local->sta_mtx); 4785 4786 return ret; 4787 } 4788 4789 static int sta_del_link_station(struct ieee80211_sub_if_data *sdata, 4790 struct link_station_del_parameters *params) 4791 { 4792 struct sta_info *sta; 4793 4794 sta = sta_info_get_bss(sdata, params->mld_mac); 4795 if (!sta) 4796 return -ENOENT; 4797 4798 if (!(sta->sta.valid_links & BIT(params->link_id))) 4799 return -EINVAL; 4800 4801 /* must not create a STA without links */ 4802 if (sta->sta.valid_links == BIT(params->link_id)) 4803 return -EINVAL; 4804 4805 ieee80211_sta_remove_link(sta, params->link_id); 4806 4807 return 0; 4808 } 4809 4810 static int 4811 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 4812 struct link_station_del_parameters *params) 4813 { 4814 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4815 int ret; 4816 4817 mutex_lock(&sdata->local->sta_mtx); 4818 ret = sta_del_link_station(sdata, params); 4819 mutex_unlock(&sdata->local->sta_mtx); 4820 4821 return ret; 4822 } 4823 4824 const struct cfg80211_ops mac80211_config_ops = { 4825 .add_virtual_intf = ieee80211_add_iface, 4826 .del_virtual_intf = ieee80211_del_iface, 4827 .change_virtual_intf = ieee80211_change_iface, 4828 .start_p2p_device = ieee80211_start_p2p_device, 4829 .stop_p2p_device = ieee80211_stop_p2p_device, 4830 .add_key = ieee80211_add_key, 4831 .del_key = ieee80211_del_key, 4832 .get_key = ieee80211_get_key, 4833 .set_default_key = ieee80211_config_default_key, 4834 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 4835 .set_default_beacon_key = ieee80211_config_default_beacon_key, 4836 .start_ap = ieee80211_start_ap, 4837 .change_beacon = ieee80211_change_beacon, 4838 .stop_ap = ieee80211_stop_ap, 4839 .add_station = ieee80211_add_station, 4840 .del_station = ieee80211_del_station, 4841 .change_station = ieee80211_change_station, 4842 .get_station = ieee80211_get_station, 4843 .dump_station = ieee80211_dump_station, 4844 .dump_survey = ieee80211_dump_survey, 4845 #ifdef CONFIG_MAC80211_MESH 4846 .add_mpath = ieee80211_add_mpath, 4847 .del_mpath = ieee80211_del_mpath, 4848 .change_mpath = ieee80211_change_mpath, 4849 .get_mpath = ieee80211_get_mpath, 4850 .dump_mpath = ieee80211_dump_mpath, 4851 .get_mpp = ieee80211_get_mpp, 4852 .dump_mpp = ieee80211_dump_mpp, 4853 .update_mesh_config = ieee80211_update_mesh_config, 4854 .get_mesh_config = ieee80211_get_mesh_config, 4855 .join_mesh = ieee80211_join_mesh, 4856 .leave_mesh = ieee80211_leave_mesh, 4857 #endif 4858 .join_ocb = ieee80211_join_ocb, 4859 .leave_ocb = ieee80211_leave_ocb, 4860 .change_bss = ieee80211_change_bss, 4861 .set_txq_params = ieee80211_set_txq_params, 4862 .set_monitor_channel = ieee80211_set_monitor_channel, 4863 .suspend = ieee80211_suspend, 4864 .resume = ieee80211_resume, 4865 .scan = ieee80211_scan, 4866 .abort_scan = ieee80211_abort_scan, 4867 .sched_scan_start = ieee80211_sched_scan_start, 4868 .sched_scan_stop = ieee80211_sched_scan_stop, 4869 .auth = ieee80211_auth, 4870 .assoc = ieee80211_assoc, 4871 .deauth = ieee80211_deauth, 4872 .disassoc = ieee80211_disassoc, 4873 .join_ibss = ieee80211_join_ibss, 4874 .leave_ibss = ieee80211_leave_ibss, 4875 .set_mcast_rate = ieee80211_set_mcast_rate, 4876 .set_wiphy_params = ieee80211_set_wiphy_params, 4877 .set_tx_power = ieee80211_set_tx_power, 4878 .get_tx_power = ieee80211_get_tx_power, 4879 .rfkill_poll = ieee80211_rfkill_poll, 4880 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 4881 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 4882 .set_power_mgmt = ieee80211_set_power_mgmt, 4883 .set_bitrate_mask = ieee80211_set_bitrate_mask, 4884 .remain_on_channel = ieee80211_remain_on_channel, 4885 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 4886 .mgmt_tx = ieee80211_mgmt_tx, 4887 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 4888 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 4889 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 4890 .update_mgmt_frame_registrations = 4891 ieee80211_update_mgmt_frame_registrations, 4892 .set_antenna = ieee80211_set_antenna, 4893 .get_antenna = ieee80211_get_antenna, 4894 .set_rekey_data = ieee80211_set_rekey_data, 4895 .tdls_oper = ieee80211_tdls_oper, 4896 .tdls_mgmt = ieee80211_tdls_mgmt, 4897 .tdls_channel_switch = ieee80211_tdls_channel_switch, 4898 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 4899 .probe_client = ieee80211_probe_client, 4900 .set_noack_map = ieee80211_set_noack_map, 4901 #ifdef CONFIG_PM 4902 .set_wakeup = ieee80211_set_wakeup, 4903 #endif 4904 .get_channel = ieee80211_cfg_get_channel, 4905 .start_radar_detection = ieee80211_start_radar_detection, 4906 .end_cac = ieee80211_end_cac, 4907 .channel_switch = ieee80211_channel_switch, 4908 .set_qos_map = ieee80211_set_qos_map, 4909 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 4910 .add_tx_ts = ieee80211_add_tx_ts, 4911 .del_tx_ts = ieee80211_del_tx_ts, 4912 .start_nan = ieee80211_start_nan, 4913 .stop_nan = ieee80211_stop_nan, 4914 .nan_change_conf = ieee80211_nan_change_conf, 4915 .add_nan_func = ieee80211_add_nan_func, 4916 .del_nan_func = ieee80211_del_nan_func, 4917 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 4918 .tx_control_port = ieee80211_tx_control_port, 4919 .get_txq_stats = ieee80211_get_txq_stats, 4920 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 4921 .start_pmsr = ieee80211_start_pmsr, 4922 .abort_pmsr = ieee80211_abort_pmsr, 4923 .probe_mesh_link = ieee80211_probe_mesh_link, 4924 .set_tid_config = ieee80211_set_tid_config, 4925 .reset_tid_config = ieee80211_reset_tid_config, 4926 .set_sar_specs = ieee80211_set_sar_specs, 4927 .color_change = ieee80211_color_change, 4928 .set_radar_background = ieee80211_set_radar_background, 4929 .add_intf_link = ieee80211_add_intf_link, 4930 .del_intf_link = ieee80211_del_intf_link, 4931 .add_link_station = ieee80211_add_link_station, 4932 .mod_link_station = ieee80211_mod_link_station, 4933 .del_link_station = ieee80211_del_link_station, 4934 }; 4935