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