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) 2018-2025 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 && ieee80211_vif_is_mld(&sdata->vif)) 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_ACTIVE; 93 94 /* 95 * Prohibit MONITOR_FLAG_ACTIVE to be changed 96 * while the interface is up. 97 * Else we would need to add a lot of cruft 98 * to update everything: 99 * monitor and all fif_* counters 100 * reconfigure hardware 101 */ 102 if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) 103 return -EBUSY; 104 } 105 106 /* also validate MU-MIMO change */ 107 if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 108 monitor_sdata = sdata; 109 else 110 monitor_sdata = wiphy_dereference(local->hw.wiphy, 111 local->monitor_sdata); 112 113 if (!monitor_sdata && 114 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) 115 return -EOPNOTSUPP; 116 117 /* apply all changes now - no failures allowed */ 118 119 if (monitor_sdata && 120 (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 121 ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))) 122 ieee80211_set_mu_mimo_follow(monitor_sdata, params); 123 124 if (params->flags) { 125 if (ieee80211_sdata_running(sdata)) { 126 ieee80211_adjust_monitor_flags(sdata, -1); 127 sdata->u.mntr.flags = params->flags; 128 ieee80211_adjust_monitor_flags(sdata, 1); 129 130 ieee80211_configure_filter(local); 131 } else { 132 /* 133 * Because the interface is down, ieee80211_do_stop 134 * and ieee80211_do_open take care of "everything" 135 * mentioned in the comment above. 136 */ 137 sdata->u.mntr.flags = params->flags; 138 } 139 } 140 141 return 0; 142 } 143 144 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata, 145 struct cfg80211_mbssid_config *params, 146 struct ieee80211_bss_conf *link_conf) 147 { 148 struct ieee80211_sub_if_data *tx_sdata; 149 struct ieee80211_bss_conf *old; 150 151 link_conf->bssid_index = 0; 152 link_conf->nontransmitted = false; 153 link_conf->ema_ap = false; 154 link_conf->bssid_indicator = 0; 155 156 if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev) 157 return -EINVAL; 158 159 old = sdata_dereference(link_conf->tx_bss_conf, sdata); 160 if (old) 161 return -EALREADY; 162 163 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev); 164 if (!tx_sdata) 165 return -EINVAL; 166 167 if (tx_sdata == sdata) { 168 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf); 169 } else { 170 struct ieee80211_bss_conf *tx_bss_conf; 171 172 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id], 173 sdata); 174 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf) 175 return -EINVAL; 176 177 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf); 178 179 link_conf->nontransmitted = true; 180 link_conf->bssid_index = params->index; 181 link_conf->bssid_indicator = tx_bss_conf->bssid_indicator; 182 } 183 if (params->ema) 184 link_conf->ema_ap = true; 185 186 return 0; 187 } 188 189 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 190 const char *name, 191 unsigned char name_assign_type, 192 enum nl80211_iftype type, 193 struct vif_params *params) 194 { 195 struct ieee80211_local *local = wiphy_priv(wiphy); 196 struct wireless_dev *wdev; 197 struct ieee80211_sub_if_data *sdata; 198 int err; 199 200 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 201 if (err) 202 return ERR_PTR(err); 203 204 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 205 206 if (type == NL80211_IFTYPE_MONITOR) { 207 err = ieee80211_set_mon_options(sdata, params); 208 if (err) { 209 ieee80211_if_remove(sdata); 210 return NULL; 211 } 212 } 213 214 /* Let the driver know that an interface is going to be added. 215 * Indicate so only for interface types that will be added to the 216 * driver. 217 */ 218 switch (type) { 219 case NL80211_IFTYPE_AP_VLAN: 220 break; 221 case NL80211_IFTYPE_MONITOR: 222 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 223 !(params->flags & MONITOR_FLAG_ACTIVE)) 224 break; 225 fallthrough; 226 default: 227 drv_prep_add_interface(local, 228 ieee80211_vif_type_p2p(&sdata->vif)); 229 break; 230 } 231 232 return wdev; 233 } 234 235 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 236 { 237 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 238 239 return 0; 240 } 241 242 static int ieee80211_change_iface(struct wiphy *wiphy, 243 struct net_device *dev, 244 enum nl80211_iftype type, 245 struct vif_params *params) 246 { 247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 248 struct ieee80211_local *local = sdata->local; 249 struct sta_info *sta; 250 int ret; 251 252 lockdep_assert_wiphy(local->hw.wiphy); 253 254 ret = ieee80211_if_change_type(sdata, type); 255 if (ret) 256 return ret; 257 258 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 259 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 260 ieee80211_check_fast_rx_iface(sdata); 261 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 262 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 263 264 if (params->use_4addr == ifmgd->use_4addr) 265 return 0; 266 267 /* FIXME: no support for 4-addr MLO yet */ 268 if (ieee80211_vif_is_mld(&sdata->vif)) 269 return -EOPNOTSUPP; 270 271 sdata->u.mgd.use_4addr = params->use_4addr; 272 if (!ifmgd->associated) 273 return 0; 274 275 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); 276 if (sta) 277 drv_sta_set_4addr(local, sdata, &sta->sta, 278 params->use_4addr); 279 280 if (params->use_4addr) 281 ieee80211_send_4addr_nullfunc(local, sdata); 282 } 283 284 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 285 ret = ieee80211_set_mon_options(sdata, params); 286 if (ret) 287 return ret; 288 } 289 290 return 0; 291 } 292 293 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 294 struct wireless_dev *wdev) 295 { 296 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 297 int ret; 298 299 lockdep_assert_wiphy(sdata->local->hw.wiphy); 300 301 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 302 if (ret < 0) 303 return ret; 304 305 return ieee80211_do_open(wdev, true); 306 } 307 308 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 309 struct wireless_dev *wdev) 310 { 311 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 312 } 313 314 static int ieee80211_start_nan(struct wiphy *wiphy, 315 struct wireless_dev *wdev, 316 struct cfg80211_nan_conf *conf) 317 { 318 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 319 int ret; 320 321 lockdep_assert_wiphy(sdata->local->hw.wiphy); 322 323 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 324 if (ret < 0) 325 return ret; 326 327 ret = ieee80211_do_open(wdev, true); 328 if (ret) 329 return ret; 330 331 ret = drv_start_nan(sdata->local, sdata, conf); 332 if (ret) 333 ieee80211_sdata_stop(sdata); 334 335 sdata->u.nan.conf = *conf; 336 337 return ret; 338 } 339 340 static void ieee80211_stop_nan(struct wiphy *wiphy, 341 struct wireless_dev *wdev) 342 { 343 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 344 345 drv_stop_nan(sdata->local, sdata); 346 ieee80211_sdata_stop(sdata); 347 } 348 349 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 350 struct wireless_dev *wdev, 351 struct cfg80211_nan_conf *conf, 352 u32 changes) 353 { 354 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 355 struct cfg80211_nan_conf new_conf; 356 int ret = 0; 357 358 if (sdata->vif.type != NL80211_IFTYPE_NAN) 359 return -EOPNOTSUPP; 360 361 if (!ieee80211_sdata_running(sdata)) 362 return -ENETDOWN; 363 364 new_conf = sdata->u.nan.conf; 365 366 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 367 new_conf.master_pref = conf->master_pref; 368 369 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 370 new_conf.bands = conf->bands; 371 372 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 373 if (!ret) 374 sdata->u.nan.conf = new_conf; 375 376 return ret; 377 } 378 379 static int ieee80211_add_nan_func(struct wiphy *wiphy, 380 struct wireless_dev *wdev, 381 struct cfg80211_nan_func *nan_func) 382 { 383 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 384 int ret; 385 386 if (sdata->vif.type != NL80211_IFTYPE_NAN) 387 return -EOPNOTSUPP; 388 389 if (!ieee80211_sdata_running(sdata)) 390 return -ENETDOWN; 391 392 spin_lock_bh(&sdata->u.nan.func_lock); 393 394 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 395 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 396 GFP_ATOMIC); 397 spin_unlock_bh(&sdata->u.nan.func_lock); 398 399 if (ret < 0) 400 return ret; 401 402 nan_func->instance_id = ret; 403 404 WARN_ON(nan_func->instance_id == 0); 405 406 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 407 if (ret) { 408 spin_lock_bh(&sdata->u.nan.func_lock); 409 idr_remove(&sdata->u.nan.function_inst_ids, 410 nan_func->instance_id); 411 spin_unlock_bh(&sdata->u.nan.func_lock); 412 } 413 414 return ret; 415 } 416 417 static struct cfg80211_nan_func * 418 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 419 u64 cookie) 420 { 421 struct cfg80211_nan_func *func; 422 int id; 423 424 lockdep_assert_held(&sdata->u.nan.func_lock); 425 426 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 427 if (func->cookie == cookie) 428 return func; 429 } 430 431 return NULL; 432 } 433 434 static void ieee80211_del_nan_func(struct wiphy *wiphy, 435 struct wireless_dev *wdev, u64 cookie) 436 { 437 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 438 struct cfg80211_nan_func *func; 439 u8 instance_id = 0; 440 441 if (sdata->vif.type != NL80211_IFTYPE_NAN || 442 !ieee80211_sdata_running(sdata)) 443 return; 444 445 spin_lock_bh(&sdata->u.nan.func_lock); 446 447 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 448 if (func) 449 instance_id = func->instance_id; 450 451 spin_unlock_bh(&sdata->u.nan.func_lock); 452 453 if (instance_id) 454 drv_del_nan_func(sdata->local, sdata, instance_id); 455 } 456 457 static int ieee80211_set_noack_map(struct wiphy *wiphy, 458 struct net_device *dev, 459 u16 noack_map) 460 { 461 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 462 463 sdata->noack_map = noack_map; 464 465 ieee80211_check_fast_xmit_iface(sdata); 466 467 return 0; 468 } 469 470 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 471 const u8 *mac_addr, u8 key_idx) 472 { 473 struct ieee80211_local *local = sdata->local; 474 struct ieee80211_key *key; 475 struct sta_info *sta; 476 int ret = -EINVAL; 477 478 if (!wiphy_ext_feature_isset(local->hw.wiphy, 479 NL80211_EXT_FEATURE_EXT_KEY_ID)) 480 return -EINVAL; 481 482 sta = sta_info_get_bss(sdata, mac_addr); 483 484 if (!sta) 485 return -EINVAL; 486 487 if (sta->ptk_idx == key_idx) 488 return 0; 489 490 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]); 491 492 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 493 ret = ieee80211_set_tx_key(key); 494 495 return ret; 496 } 497 498 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 499 int link_id, u8 key_idx, bool pairwise, 500 const u8 *mac_addr, struct key_params *params) 501 { 502 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 503 struct ieee80211_link_data *link = 504 ieee80211_link_or_deflink(sdata, link_id, false); 505 struct ieee80211_local *local = sdata->local; 506 struct sta_info *sta = NULL; 507 struct ieee80211_key *key; 508 int err; 509 510 lockdep_assert_wiphy(local->hw.wiphy); 511 512 if (!ieee80211_sdata_running(sdata)) 513 return -ENETDOWN; 514 515 if (IS_ERR(link)) 516 return PTR_ERR(link); 517 518 if (WARN_ON(pairwise && link_id >= 0)) 519 return -EINVAL; 520 521 if (pairwise && params->mode == NL80211_KEY_SET_TX) 522 return ieee80211_set_tx(sdata, mac_addr, key_idx); 523 524 /* reject WEP and TKIP keys if WEP failed to initialize */ 525 switch (params->cipher) { 526 case WLAN_CIPHER_SUITE_WEP40: 527 case WLAN_CIPHER_SUITE_TKIP: 528 case WLAN_CIPHER_SUITE_WEP104: 529 if (link_id >= 0) 530 return -EINVAL; 531 if (WARN_ON_ONCE(fips_enabled)) 532 return -EINVAL; 533 break; 534 default: 535 break; 536 } 537 538 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 539 params->key, params->seq_len, params->seq); 540 if (IS_ERR(key)) 541 return PTR_ERR(key); 542 543 if (pairwise) { 544 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 545 key->conf.link_id = -1; 546 } else { 547 key->conf.link_id = link->link_id; 548 } 549 550 if (params->mode == NL80211_KEY_NO_TX) 551 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 552 553 if (mac_addr) { 554 sta = sta_info_get_bss(sdata, mac_addr); 555 /* 556 * The ASSOC test makes sure the driver is ready to 557 * receive the key. When wpa_supplicant has roamed 558 * using FT, it attempts to set the key before 559 * association has completed, this rejects that attempt 560 * so it will set the key again after association. 561 * 562 * TODO: accept the key if we have a station entry and 563 * add it to the device after the station. 564 */ 565 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 566 ieee80211_key_free_unused(key); 567 return -ENOENT; 568 } 569 } 570 571 switch (sdata->vif.type) { 572 case NL80211_IFTYPE_STATION: 573 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 574 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 575 break; 576 case NL80211_IFTYPE_AP: 577 case NL80211_IFTYPE_AP_VLAN: 578 /* Keys without a station are used for TX only */ 579 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 580 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 581 break; 582 case NL80211_IFTYPE_ADHOC: 583 /* no MFP (yet) */ 584 break; 585 case NL80211_IFTYPE_MESH_POINT: 586 #ifdef CONFIG_MAC80211_MESH 587 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 588 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 589 break; 590 #endif 591 case NL80211_IFTYPE_WDS: 592 case NL80211_IFTYPE_MONITOR: 593 case NL80211_IFTYPE_P2P_DEVICE: 594 case NL80211_IFTYPE_NAN: 595 case NL80211_IFTYPE_UNSPECIFIED: 596 case NUM_NL80211_IFTYPES: 597 case NL80211_IFTYPE_P2P_CLIENT: 598 case NL80211_IFTYPE_P2P_GO: 599 case NL80211_IFTYPE_OCB: 600 /* shouldn't happen */ 601 WARN_ON_ONCE(1); 602 break; 603 } 604 605 err = ieee80211_key_link(key, link, sta); 606 /* KRACK protection, shouldn't happen but just silently accept key */ 607 if (err == -EALREADY) 608 err = 0; 609 610 return err; 611 } 612 613 static struct ieee80211_key * 614 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id, 615 u8 key_idx, bool pairwise, const u8 *mac_addr) 616 { 617 struct ieee80211_local *local __maybe_unused = sdata->local; 618 struct ieee80211_link_data *link = &sdata->deflink; 619 struct ieee80211_key *key; 620 621 if (link_id >= 0) { 622 link = sdata_dereference(sdata->link[link_id], sdata); 623 if (!link) 624 return NULL; 625 } 626 627 if (mac_addr) { 628 struct sta_info *sta; 629 struct link_sta_info *link_sta; 630 631 sta = sta_info_get_bss(sdata, mac_addr); 632 if (!sta) 633 return NULL; 634 635 if (link_id >= 0) { 636 link_sta = rcu_dereference_check(sta->link[link_id], 637 lockdep_is_held(&local->hw.wiphy->mtx)); 638 if (!link_sta) 639 return NULL; 640 } else { 641 link_sta = &sta->deflink; 642 } 643 644 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 645 return wiphy_dereference(local->hw.wiphy, 646 sta->ptk[key_idx]); 647 648 if (!pairwise && 649 key_idx < NUM_DEFAULT_KEYS + 650 NUM_DEFAULT_MGMT_KEYS + 651 NUM_DEFAULT_BEACON_KEYS) 652 return wiphy_dereference(local->hw.wiphy, 653 link_sta->gtk[key_idx]); 654 655 return NULL; 656 } 657 658 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 659 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 660 661 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]); 662 if (key) 663 return key; 664 665 /* or maybe it was a WEP key */ 666 if (key_idx < NUM_DEFAULT_KEYS) 667 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 668 669 return NULL; 670 } 671 672 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 673 int link_id, u8 key_idx, bool pairwise, 674 const u8 *mac_addr) 675 { 676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 677 struct ieee80211_local *local = sdata->local; 678 struct ieee80211_key *key; 679 680 lockdep_assert_wiphy(local->hw.wiphy); 681 682 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 683 if (!key) 684 return -ENOENT; 685 686 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 687 688 return 0; 689 } 690 691 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 692 int link_id, u8 key_idx, bool pairwise, 693 const u8 *mac_addr, void *cookie, 694 void (*callback)(void *cookie, 695 struct key_params *params)) 696 { 697 struct ieee80211_sub_if_data *sdata; 698 u8 seq[6] = {0}; 699 struct key_params params; 700 struct ieee80211_key *key; 701 u64 pn64; 702 u32 iv32; 703 u16 iv16; 704 int err = -ENOENT; 705 struct ieee80211_key_seq kseq = {}; 706 707 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 708 709 rcu_read_lock(); 710 711 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 712 if (!key) 713 goto out; 714 715 memset(¶ms, 0, sizeof(params)); 716 717 params.cipher = key->conf.cipher; 718 719 switch (key->conf.cipher) { 720 case WLAN_CIPHER_SUITE_TKIP: 721 pn64 = atomic64_read(&key->conf.tx_pn); 722 iv32 = TKIP_PN_TO_IV32(pn64); 723 iv16 = TKIP_PN_TO_IV16(pn64); 724 725 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 726 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 727 drv_get_key_seq(sdata->local, key, &kseq); 728 iv32 = kseq.tkip.iv32; 729 iv16 = kseq.tkip.iv16; 730 } 731 732 seq[0] = iv16 & 0xff; 733 seq[1] = (iv16 >> 8) & 0xff; 734 seq[2] = iv32 & 0xff; 735 seq[3] = (iv32 >> 8) & 0xff; 736 seq[4] = (iv32 >> 16) & 0xff; 737 seq[5] = (iv32 >> 24) & 0xff; 738 params.seq = seq; 739 params.seq_len = 6; 740 break; 741 case WLAN_CIPHER_SUITE_CCMP: 742 case WLAN_CIPHER_SUITE_CCMP_256: 743 case WLAN_CIPHER_SUITE_AES_CMAC: 744 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 745 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 746 offsetof(typeof(kseq), aes_cmac)); 747 fallthrough; 748 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 749 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 750 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 751 offsetof(typeof(kseq), aes_gmac)); 752 fallthrough; 753 case WLAN_CIPHER_SUITE_GCMP: 754 case WLAN_CIPHER_SUITE_GCMP_256: 755 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 756 offsetof(typeof(kseq), gcmp)); 757 758 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 759 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 760 drv_get_key_seq(sdata->local, key, &kseq); 761 memcpy(seq, kseq.ccmp.pn, 6); 762 } else { 763 pn64 = atomic64_read(&key->conf.tx_pn); 764 seq[0] = pn64; 765 seq[1] = pn64 >> 8; 766 seq[2] = pn64 >> 16; 767 seq[3] = pn64 >> 24; 768 seq[4] = pn64 >> 32; 769 seq[5] = pn64 >> 40; 770 } 771 params.seq = seq; 772 params.seq_len = 6; 773 break; 774 default: 775 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 776 break; 777 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 778 break; 779 drv_get_key_seq(sdata->local, key, &kseq); 780 params.seq = kseq.hw.seq; 781 params.seq_len = kseq.hw.seq_len; 782 break; 783 } 784 785 callback(cookie, ¶ms); 786 err = 0; 787 788 out: 789 rcu_read_unlock(); 790 return err; 791 } 792 793 static int ieee80211_config_default_key(struct wiphy *wiphy, 794 struct net_device *dev, 795 int link_id, u8 key_idx, bool uni, 796 bool multi) 797 { 798 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 799 struct ieee80211_link_data *link = 800 ieee80211_link_or_deflink(sdata, link_id, false); 801 802 if (IS_ERR(link)) 803 return PTR_ERR(link); 804 805 ieee80211_set_default_key(link, key_idx, uni, multi); 806 807 return 0; 808 } 809 810 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 811 struct net_device *dev, 812 int link_id, u8 key_idx) 813 { 814 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 815 struct ieee80211_link_data *link = 816 ieee80211_link_or_deflink(sdata, link_id, true); 817 818 if (IS_ERR(link)) 819 return PTR_ERR(link); 820 821 ieee80211_set_default_mgmt_key(link, key_idx); 822 823 return 0; 824 } 825 826 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 827 struct net_device *dev, 828 int link_id, u8 key_idx) 829 { 830 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 831 struct ieee80211_link_data *link = 832 ieee80211_link_or_deflink(sdata, link_id, true); 833 834 if (IS_ERR(link)) 835 return PTR_ERR(link); 836 837 ieee80211_set_default_beacon_key(link, key_idx); 838 839 return 0; 840 } 841 842 void sta_set_rate_info_tx(struct sta_info *sta, 843 const struct ieee80211_tx_rate *rate, 844 struct rate_info *rinfo) 845 { 846 rinfo->flags = 0; 847 if (rate->flags & IEEE80211_TX_RC_MCS) { 848 rinfo->flags |= RATE_INFO_FLAGS_MCS; 849 rinfo->mcs = rate->idx; 850 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 851 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 852 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 853 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 854 } else { 855 struct ieee80211_supported_band *sband; 856 857 sband = ieee80211_get_sband(sta->sdata); 858 WARN_ON_ONCE(sband && !sband->bitrates); 859 if (sband && sband->bitrates) 860 rinfo->legacy = sband->bitrates[rate->idx].bitrate; 861 } 862 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 863 rinfo->bw = RATE_INFO_BW_40; 864 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 865 rinfo->bw = RATE_INFO_BW_80; 866 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 867 rinfo->bw = RATE_INFO_BW_160; 868 else 869 rinfo->bw = RATE_INFO_BW_20; 870 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 871 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 872 } 873 874 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 875 int idx, u8 *mac, struct station_info *sinfo) 876 { 877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 878 struct ieee80211_local *local = sdata->local; 879 struct sta_info *sta; 880 int ret = -ENOENT; 881 882 lockdep_assert_wiphy(local->hw.wiphy); 883 884 sta = sta_info_get_by_idx(sdata, idx); 885 if (sta) { 886 ret = 0; 887 memcpy(mac, sta->sta.addr, ETH_ALEN); 888 sta_set_sinfo(sta, sinfo, true); 889 890 /* Add accumulated removed link data to sinfo data for 891 * consistency for MLO 892 */ 893 if (sinfo->valid_links) 894 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 895 896 } 897 898 return ret; 899 } 900 901 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 902 int idx, struct survey_info *survey) 903 { 904 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 905 906 return drv_get_survey(local, idx, survey); 907 } 908 909 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 910 const u8 *mac, struct station_info *sinfo) 911 { 912 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 913 struct ieee80211_local *local = sdata->local; 914 struct sta_info *sta; 915 int ret = -ENOENT; 916 917 lockdep_assert_wiphy(local->hw.wiphy); 918 919 sta = sta_info_get_bss(sdata, mac); 920 if (sta) { 921 ret = 0; 922 sta_set_sinfo(sta, sinfo, true); 923 924 /* Add accumulated removed link data to sinfo data for 925 * consistency for MLO 926 */ 927 if (sinfo->valid_links) 928 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 929 } 930 931 return ret; 932 } 933 934 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 935 struct net_device *dev, 936 struct cfg80211_chan_def *chandef) 937 { 938 struct ieee80211_local *local = wiphy_priv(wiphy); 939 struct ieee80211_sub_if_data *sdata; 940 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 941 int ret; 942 943 lockdep_assert_wiphy(local->hw.wiphy); 944 945 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 946 if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 947 if (cfg80211_chandef_identical(&local->monitor_chanreq.oper, 948 &chanreq.oper)) 949 return 0; 950 951 sdata = wiphy_dereference(wiphy, local->monitor_sdata); 952 if (!sdata) 953 goto done; 954 } 955 956 if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) && 957 cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper, 958 &chanreq.oper)) 959 return 0; 960 961 ieee80211_link_release_channel(&sdata->deflink); 962 ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 963 IEEE80211_CHANCTX_SHARED); 964 if (ret) 965 return ret; 966 done: 967 local->monitor_chanreq = chanreq; 968 return 0; 969 } 970 971 static int 972 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 973 const u8 *resp, size_t resp_len, 974 const struct ieee80211_csa_settings *csa, 975 const struct ieee80211_color_change_settings *cca, 976 struct ieee80211_link_data *link) 977 { 978 struct probe_resp *new, *old; 979 980 if (!resp || !resp_len) 981 return 1; 982 983 old = sdata_dereference(link->u.ap.probe_resp, sdata); 984 985 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 986 if (!new) 987 return -ENOMEM; 988 989 new->len = resp_len; 990 memcpy(new->data, resp, resp_len); 991 992 if (csa) 993 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 994 csa->n_counter_offsets_presp * 995 sizeof(new->cntdwn_counter_offsets[0])); 996 else if (cca) 997 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp; 998 999 rcu_assign_pointer(link->u.ap.probe_resp, new); 1000 if (old) 1001 kfree_rcu(old, rcu_head); 1002 1003 return 0; 1004 } 1005 1006 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 1007 struct cfg80211_fils_discovery *params, 1008 struct ieee80211_link_data *link, 1009 struct ieee80211_bss_conf *link_conf, 1010 u64 *changed) 1011 { 1012 struct fils_discovery_data *new, *old = NULL; 1013 struct ieee80211_fils_discovery *fd; 1014 1015 if (!params->update) 1016 return 0; 1017 1018 fd = &link_conf->fils_discovery; 1019 fd->min_interval = params->min_interval; 1020 fd->max_interval = params->max_interval; 1021 1022 old = sdata_dereference(link->u.ap.fils_discovery, sdata); 1023 if (old) 1024 kfree_rcu(old, rcu_head); 1025 1026 if (params->tmpl && params->tmpl_len) { 1027 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1028 if (!new) 1029 return -ENOMEM; 1030 new->len = params->tmpl_len; 1031 memcpy(new->data, params->tmpl, params->tmpl_len); 1032 rcu_assign_pointer(link->u.ap.fils_discovery, new); 1033 } else { 1034 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1035 } 1036 1037 *changed |= BSS_CHANGED_FILS_DISCOVERY; 1038 return 0; 1039 } 1040 1041 static int 1042 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 1043 struct cfg80211_unsol_bcast_probe_resp *params, 1044 struct ieee80211_link_data *link, 1045 struct ieee80211_bss_conf *link_conf, 1046 u64 *changed) 1047 { 1048 struct unsol_bcast_probe_resp_data *new, *old = NULL; 1049 1050 if (!params->update) 1051 return 0; 1052 1053 link_conf->unsol_bcast_probe_resp_interval = params->interval; 1054 1055 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); 1056 if (old) 1057 kfree_rcu(old, rcu_head); 1058 1059 if (params->tmpl && params->tmpl_len) { 1060 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1061 if (!new) 1062 return -ENOMEM; 1063 new->len = params->tmpl_len; 1064 memcpy(new->data, params->tmpl, params->tmpl_len); 1065 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new); 1066 } else { 1067 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1068 } 1069 1070 *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1071 return 0; 1072 } 1073 1074 static int 1075 ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data *sdata, 1076 struct ieee80211_link_data *link, 1077 struct cfg80211_s1g_short_beacon *params) 1078 { 1079 struct s1g_short_beacon_data *new; 1080 struct s1g_short_beacon_data *old = 1081 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 1082 size_t new_len = 1083 sizeof(*new) + params->short_head_len + params->short_tail_len; 1084 1085 if (!params->update) 1086 return 0; 1087 1088 if (!params->short_head) 1089 return -EINVAL; 1090 1091 new = kzalloc(new_len, GFP_KERNEL); 1092 if (!new) 1093 return -ENOMEM; 1094 1095 /* Memory layout: | struct | head | tail | */ 1096 new->short_head = (u8 *)new + sizeof(*new); 1097 new->short_head_len = params->short_head_len; 1098 memcpy(new->short_head, params->short_head, params->short_head_len); 1099 1100 if (params->short_tail) { 1101 new->short_tail = new->short_head + params->short_head_len; 1102 new->short_tail_len = params->short_tail_len; 1103 memcpy(new->short_tail, params->short_tail, 1104 params->short_tail_len); 1105 } 1106 1107 rcu_assign_pointer(link->u.ap.s1g_short_beacon, new); 1108 1109 if (old) 1110 kfree_rcu(old, rcu_head); 1111 1112 return 0; 1113 } 1114 1115 static int ieee80211_set_ftm_responder_params( 1116 struct ieee80211_sub_if_data *sdata, 1117 const u8 *lci, size_t lci_len, 1118 const u8 *civicloc, size_t civicloc_len, 1119 struct ieee80211_bss_conf *link_conf) 1120 { 1121 struct ieee80211_ftm_responder_params *new, *old; 1122 u8 *pos; 1123 int len; 1124 1125 if (!lci_len && !civicloc_len) 1126 return 0; 1127 1128 old = link_conf->ftmr_params; 1129 len = lci_len + civicloc_len; 1130 1131 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 1132 if (!new) 1133 return -ENOMEM; 1134 1135 pos = (u8 *)(new + 1); 1136 if (lci_len) { 1137 new->lci_len = lci_len; 1138 new->lci = pos; 1139 memcpy(pos, lci, lci_len); 1140 pos += lci_len; 1141 } 1142 1143 if (civicloc_len) { 1144 new->civicloc_len = civicloc_len; 1145 new->civicloc = pos; 1146 memcpy(pos, civicloc, civicloc_len); 1147 pos += civicloc_len; 1148 } 1149 1150 link_conf->ftmr_params = new; 1151 kfree(old); 1152 1153 return 0; 1154 } 1155 1156 static int 1157 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst, 1158 struct cfg80211_mbssid_elems *src) 1159 { 1160 int i, offset = 0; 1161 1162 dst->cnt = src->cnt; 1163 for (i = 0; i < src->cnt; i++) { 1164 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1165 dst->elem[i].len = src->elem[i].len; 1166 dst->elem[i].data = pos + offset; 1167 offset += dst->elem[i].len; 1168 } 1169 1170 return offset; 1171 } 1172 1173 static int 1174 ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst, 1175 struct cfg80211_rnr_elems *src) 1176 { 1177 int i, offset = 0; 1178 1179 dst->cnt = src->cnt; 1180 for (i = 0; i < src->cnt; i++) { 1181 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1182 dst->elem[i].len = src->elem[i].len; 1183 dst->elem[i].data = pos + offset; 1184 offset += dst->elem[i].len; 1185 } 1186 1187 return offset; 1188 } 1189 1190 static int 1191 ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 1192 struct ieee80211_link_data *link, 1193 struct cfg80211_beacon_data *params, 1194 const struct ieee80211_csa_settings *csa, 1195 const struct ieee80211_color_change_settings *cca, 1196 u64 *changed) 1197 { 1198 struct cfg80211_mbssid_elems *mbssid = NULL; 1199 struct cfg80211_rnr_elems *rnr = NULL; 1200 struct beacon_data *new, *old; 1201 int new_head_len, new_tail_len; 1202 int size, err; 1203 u64 _changed = BSS_CHANGED_BEACON; 1204 struct ieee80211_bss_conf *link_conf = link->conf; 1205 1206 old = sdata_dereference(link->u.ap.beacon, sdata); 1207 1208 /* Need to have a beacon head if we don't have one yet */ 1209 if (!params->head && !old) 1210 return -EINVAL; 1211 1212 /* new or old head? */ 1213 if (params->head) 1214 new_head_len = params->head_len; 1215 else 1216 new_head_len = old->head_len; 1217 1218 /* new or old tail? */ 1219 if (params->tail || !old) 1220 /* params->tail_len will be zero for !params->tail */ 1221 new_tail_len = params->tail_len; 1222 else 1223 new_tail_len = old->tail_len; 1224 1225 size = sizeof(*new) + new_head_len + new_tail_len; 1226 1227 /* new or old multiple BSSID elements? */ 1228 if (params->mbssid_ies) { 1229 mbssid = params->mbssid_ies; 1230 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1231 if (params->rnr_ies) { 1232 rnr = params->rnr_ies; 1233 size += struct_size(new->rnr_ies, elem, rnr->cnt); 1234 } 1235 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr, 1236 mbssid->cnt); 1237 } else if (old && old->mbssid_ies) { 1238 mbssid = old->mbssid_ies; 1239 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1240 if (old && old->rnr_ies) { 1241 rnr = old->rnr_ies; 1242 size += struct_size(new->rnr_ies, elem, rnr->cnt); 1243 } 1244 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr, 1245 mbssid->cnt); 1246 } 1247 1248 new = kzalloc(size, GFP_KERNEL); 1249 if (!new) 1250 return -ENOMEM; 1251 1252 /* start filling the new info now */ 1253 1254 /* 1255 * pointers go into the block we allocated, 1256 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies 1257 */ 1258 new->head = ((u8 *) new) + sizeof(*new); 1259 new->tail = new->head + new_head_len; 1260 new->head_len = new_head_len; 1261 new->tail_len = new_tail_len; 1262 /* copy in optional mbssid_ies */ 1263 if (mbssid) { 1264 u8 *pos = new->tail + new->tail_len; 1265 1266 new->mbssid_ies = (void *)pos; 1267 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1268 pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, 1269 mbssid); 1270 if (rnr) { 1271 new->rnr_ies = (void *)pos; 1272 pos += struct_size(new->rnr_ies, elem, rnr->cnt); 1273 ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr); 1274 } 1275 /* update bssid_indicator */ 1276 if (new->mbssid_ies->cnt && new->mbssid_ies->elem[0].len > 2) 1277 link_conf->bssid_indicator = 1278 *(new->mbssid_ies->elem[0].data + 2); 1279 else 1280 link_conf->bssid_indicator = 0; 1281 } 1282 1283 if (csa) { 1284 new->cntdwn_current_counter = csa->count; 1285 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1286 csa->n_counter_offsets_beacon * 1287 sizeof(new->cntdwn_counter_offsets[0])); 1288 } else if (cca) { 1289 new->cntdwn_current_counter = cca->count; 1290 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon; 1291 } 1292 1293 /* copy in head */ 1294 if (params->head) 1295 memcpy(new->head, params->head, new_head_len); 1296 else 1297 memcpy(new->head, old->head, new_head_len); 1298 1299 /* copy in optional tail */ 1300 if (params->tail) 1301 memcpy(new->tail, params->tail, new_tail_len); 1302 else 1303 if (old) 1304 memcpy(new->tail, old->tail, new_tail_len); 1305 1306 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1307 params->probe_resp_len, csa, cca, link); 1308 if (err < 0) { 1309 kfree(new); 1310 return err; 1311 } 1312 if (err == 0) 1313 _changed |= BSS_CHANGED_AP_PROBE_RESP; 1314 1315 if (params->ftm_responder != -1) { 1316 link_conf->ftm_responder = params->ftm_responder; 1317 err = ieee80211_set_ftm_responder_params(sdata, 1318 params->lci, 1319 params->lci_len, 1320 params->civicloc, 1321 params->civicloc_len, 1322 link_conf); 1323 1324 if (err < 0) { 1325 kfree(new); 1326 return err; 1327 } 1328 1329 _changed |= BSS_CHANGED_FTM_RESPONDER; 1330 } 1331 1332 rcu_assign_pointer(link->u.ap.beacon, new); 1333 sdata->u.ap.active = true; 1334 1335 if (old) 1336 kfree_rcu(old, rcu_head); 1337 1338 *changed |= _changed; 1339 return 0; 1340 } 1341 1342 static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata) 1343 { 1344 struct ieee80211_link_data *link; 1345 u8 link_id, num = 0; 1346 1347 if (sdata->vif.type != NL80211_IFTYPE_AP && 1348 sdata->vif.type != NL80211_IFTYPE_P2P_GO) 1349 return num; 1350 1351 /* non-MLO mode of operation also uses link_id 0 in sdata so it is 1352 * safe to directly proceed with the below loop 1353 */ 1354 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 1355 link = sdata_dereference(sdata->link[link_id], sdata); 1356 if (!link) 1357 continue; 1358 1359 if (sdata_dereference(link->u.ap.beacon, sdata)) 1360 num++; 1361 } 1362 1363 return num; 1364 } 1365 1366 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1367 struct cfg80211_ap_settings *params) 1368 { 1369 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1370 struct ieee80211_local *local = sdata->local; 1371 struct beacon_data *old; 1372 struct ieee80211_sub_if_data *vlan; 1373 u64 changed = BSS_CHANGED_BEACON_INT | 1374 BSS_CHANGED_BEACON_ENABLED | 1375 BSS_CHANGED_BEACON | 1376 BSS_CHANGED_P2P_PS | 1377 BSS_CHANGED_TXPOWER | 1378 BSS_CHANGED_TWT; 1379 int i, err; 1380 int prev_beacon_int; 1381 unsigned int link_id = params->beacon.link_id; 1382 struct ieee80211_link_data *link; 1383 struct ieee80211_bss_conf *link_conf; 1384 struct ieee80211_chan_req chanreq = { .oper = params->chandef }; 1385 u64 tsf; 1386 1387 lockdep_assert_wiphy(local->hw.wiphy); 1388 1389 link = sdata_dereference(sdata->link[link_id], sdata); 1390 if (!link) 1391 return -ENOLINK; 1392 1393 link_conf = link->conf; 1394 1395 old = sdata_dereference(link->u.ap.beacon, sdata); 1396 if (old) 1397 return -EALREADY; 1398 1399 link->smps_mode = IEEE80211_SMPS_OFF; 1400 1401 link->needed_rx_chains = sdata->local->rx_chains; 1402 1403 prev_beacon_int = link_conf->beacon_int; 1404 link_conf->beacon_int = params->beacon_interval; 1405 1406 if (params->ht_cap) 1407 link_conf->ht_ldpc = 1408 params->ht_cap->cap_info & 1409 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING); 1410 1411 if (params->vht_cap) { 1412 link_conf->vht_ldpc = 1413 params->vht_cap->vht_cap_info & 1414 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC); 1415 link_conf->vht_su_beamformer = 1416 params->vht_cap->vht_cap_info & 1417 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); 1418 link_conf->vht_su_beamformee = 1419 params->vht_cap->vht_cap_info & 1420 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE); 1421 link_conf->vht_mu_beamformer = 1422 params->vht_cap->vht_cap_info & 1423 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 1424 link_conf->vht_mu_beamformee = 1425 params->vht_cap->vht_cap_info & 1426 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); 1427 } 1428 1429 if (params->he_cap && params->he_oper) { 1430 link_conf->he_support = true; 1431 link_conf->htc_trig_based_pkt_ext = 1432 le32_get_bits(params->he_oper->he_oper_params, 1433 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1434 link_conf->frame_time_rts_th = 1435 le32_get_bits(params->he_oper->he_oper_params, 1436 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1437 changed |= BSS_CHANGED_HE_OBSS_PD; 1438 1439 if (params->beacon.he_bss_color.enabled) 1440 changed |= BSS_CHANGED_HE_BSS_COLOR; 1441 } 1442 1443 if (params->he_cap) { 1444 link_conf->he_ldpc = 1445 params->he_cap->phy_cap_info[1] & 1446 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 1447 link_conf->he_su_beamformer = 1448 params->he_cap->phy_cap_info[3] & 1449 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 1450 link_conf->he_su_beamformee = 1451 params->he_cap->phy_cap_info[4] & 1452 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE; 1453 link_conf->he_mu_beamformer = 1454 params->he_cap->phy_cap_info[4] & 1455 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 1456 link_conf->he_full_ul_mumimo = 1457 params->he_cap->phy_cap_info[2] & 1458 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO; 1459 } 1460 1461 if (params->eht_cap) { 1462 if (!link_conf->he_support) 1463 return -EOPNOTSUPP; 1464 1465 link_conf->eht_support = true; 1466 1467 link_conf->eht_su_beamformer = 1468 params->eht_cap->fixed.phy_cap_info[0] & 1469 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER; 1470 link_conf->eht_su_beamformee = 1471 params->eht_cap->fixed.phy_cap_info[0] & 1472 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; 1473 link_conf->eht_mu_beamformer = 1474 params->eht_cap->fixed.phy_cap_info[7] & 1475 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | 1476 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ | 1477 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ); 1478 link_conf->eht_80mhz_full_bw_ul_mumimo = 1479 params->eht_cap->fixed.phy_cap_info[7] & 1480 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | 1481 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | 1482 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ); 1483 link_conf->eht_disable_mcs15 = 1484 u8_get_bits(params->eht_oper->params, 1485 IEEE80211_EHT_OPER_MCS15_DISABLE); 1486 } else { 1487 link_conf->eht_su_beamformer = false; 1488 link_conf->eht_su_beamformee = false; 1489 link_conf->eht_mu_beamformer = false; 1490 } 1491 1492 if (sdata->vif.type == NL80211_IFTYPE_AP && 1493 params->mbssid_config.tx_wdev) { 1494 err = ieee80211_set_ap_mbssid_options(sdata, 1495 ¶ms->mbssid_config, 1496 link_conf); 1497 if (err) 1498 return err; 1499 } 1500 1501 err = ieee80211_link_use_channel(link, &chanreq, 1502 IEEE80211_CHANCTX_SHARED); 1503 if (!err) 1504 ieee80211_link_copy_chanctx_to_vlans(link, false); 1505 if (err) { 1506 link_conf->beacon_int = prev_beacon_int; 1507 return err; 1508 } 1509 1510 /* 1511 * Apply control port protocol, this allows us to 1512 * not encrypt dynamic WEP control frames. 1513 */ 1514 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1515 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1516 sdata->control_port_over_nl80211 = 1517 params->crypto.control_port_over_nl80211; 1518 sdata->control_port_no_preauth = 1519 params->crypto.control_port_no_preauth; 1520 1521 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1522 vlan->control_port_protocol = 1523 params->crypto.control_port_ethertype; 1524 vlan->control_port_no_encrypt = 1525 params->crypto.control_port_no_encrypt; 1526 vlan->control_port_over_nl80211 = 1527 params->crypto.control_port_over_nl80211; 1528 vlan->control_port_no_preauth = 1529 params->crypto.control_port_no_preauth; 1530 } 1531 1532 link_conf->dtim_period = params->dtim_period; 1533 link_conf->enable_beacon = true; 1534 link_conf->allow_p2p_go_ps = sdata->vif.p2p; 1535 link_conf->twt_responder = params->twt_responder; 1536 link_conf->he_obss_pd = params->he_obss_pd; 1537 link_conf->he_bss_color = params->beacon.he_bss_color; 1538 link_conf->s1g_long_beacon_period = params->s1g_long_beacon_period; 1539 sdata->vif.cfg.s1g = params->chandef.chan->band == NL80211_BAND_S1GHZ; 1540 1541 sdata->vif.cfg.ssid_len = params->ssid_len; 1542 if (params->ssid_len) 1543 memcpy(sdata->vif.cfg.ssid, params->ssid, 1544 params->ssid_len); 1545 link_conf->hidden_ssid = 1546 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1547 1548 memset(&link_conf->p2p_noa_attr, 0, 1549 sizeof(link_conf->p2p_noa_attr)); 1550 link_conf->p2p_noa_attr.oppps_ctwindow = 1551 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1552 if (params->p2p_opp_ps) 1553 link_conf->p2p_noa_attr.oppps_ctwindow |= 1554 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1555 1556 sdata->beacon_rate_set = false; 1557 if (wiphy_ext_feature_isset(local->hw.wiphy, 1558 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1559 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1560 sdata->beacon_rateidx_mask[i] = 1561 params->beacon_rate.control[i].legacy; 1562 if (sdata->beacon_rateidx_mask[i]) 1563 sdata->beacon_rate_set = true; 1564 } 1565 } 1566 1567 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1568 link_conf->beacon_tx_rate = params->beacon_rate; 1569 1570 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL, 1571 &changed); 1572 if (err < 0) 1573 goto error; 1574 1575 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1576 link, link_conf, &changed); 1577 if (err < 0) 1578 goto error; 1579 1580 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1581 ¶ms->unsol_bcast_probe_resp, 1582 link, link_conf, &changed); 1583 if (err < 0) 1584 goto error; 1585 1586 if (sdata->vif.cfg.s1g) { 1587 err = ieee80211_set_s1g_short_beacon(sdata, link, 1588 ¶ms->s1g_short_beacon); 1589 if (err < 0) 1590 goto error; 1591 } 1592 1593 err = drv_start_ap(sdata->local, sdata, link_conf); 1594 if (err) { 1595 old = sdata_dereference(link->u.ap.beacon, sdata); 1596 1597 if (old) 1598 kfree_rcu(old, rcu_head); 1599 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1600 1601 if (ieee80211_num_beaconing_links(sdata) == 0) 1602 sdata->u.ap.active = false; 1603 1604 goto error; 1605 } 1606 1607 tsf = drv_get_tsf(local, sdata); 1608 ieee80211_recalc_dtim(sdata, tsf); 1609 1610 if (link->u.ap.s1g_short_beacon) 1611 ieee80211_recalc_sb_count(sdata, tsf); 1612 1613 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID); 1614 ieee80211_link_info_change_notify(sdata, link, changed); 1615 1616 if (ieee80211_num_beaconing_links(sdata) <= 1) 1617 netif_carrier_on(dev); 1618 1619 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1620 netif_carrier_on(vlan->dev); 1621 1622 return 0; 1623 1624 error: 1625 ieee80211_link_release_channel(link); 1626 1627 return err; 1628 } 1629 1630 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1631 struct cfg80211_ap_update *params) 1632 1633 { 1634 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1635 struct ieee80211_link_data *link; 1636 struct cfg80211_beacon_data *beacon = ¶ms->beacon; 1637 struct beacon_data *old; 1638 int err; 1639 struct ieee80211_bss_conf *link_conf; 1640 u64 changed = 0; 1641 1642 lockdep_assert_wiphy(wiphy); 1643 1644 link = sdata_dereference(sdata->link[beacon->link_id], sdata); 1645 if (!link) 1646 return -ENOLINK; 1647 1648 link_conf = link->conf; 1649 1650 /* don't allow changing the beacon while a countdown is in place - offset 1651 * of channel switch counter may change 1652 */ 1653 if (link_conf->csa_active || link_conf->color_change_active) 1654 return -EBUSY; 1655 1656 old = sdata_dereference(link->u.ap.beacon, sdata); 1657 if (!old) 1658 return -ENOENT; 1659 1660 err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL, 1661 &changed); 1662 if (err < 0) 1663 return err; 1664 1665 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1666 link, link_conf, &changed); 1667 if (err < 0) 1668 return err; 1669 1670 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1671 ¶ms->unsol_bcast_probe_resp, 1672 link, link_conf, &changed); 1673 if (err < 0) 1674 return err; 1675 1676 if (link->u.ap.s1g_short_beacon) { 1677 err = ieee80211_set_s1g_short_beacon(sdata, link, 1678 ¶ms->s1g_short_beacon); 1679 if (err < 0) 1680 return err; 1681 } 1682 1683 if (beacon->he_bss_color_valid && 1684 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) { 1685 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled; 1686 changed |= BSS_CHANGED_HE_BSS_COLOR; 1687 } 1688 1689 ieee80211_link_info_change_notify(sdata, link, changed); 1690 return 0; 1691 } 1692 1693 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link) 1694 { 1695 if (!link->u.ap.next_beacon) 1696 return; 1697 1698 kfree(link->u.ap.next_beacon->mbssid_ies); 1699 kfree(link->u.ap.next_beacon->rnr_ies); 1700 kfree(link->u.ap.next_beacon); 1701 link->u.ap.next_beacon = NULL; 1702 } 1703 1704 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 1705 unsigned int link_id) 1706 { 1707 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1708 struct ieee80211_sub_if_data *vlan; 1709 struct ieee80211_local *local = sdata->local; 1710 struct beacon_data *old_beacon; 1711 struct probe_resp *old_probe_resp; 1712 struct fils_discovery_data *old_fils_discovery; 1713 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1714 struct s1g_short_beacon_data *old_s1g_short_beacon; 1715 struct cfg80211_chan_def chandef; 1716 struct ieee80211_link_data *link = 1717 sdata_dereference(sdata->link[link_id], sdata); 1718 struct ieee80211_bss_conf *link_conf = link->conf; 1719 LIST_HEAD(keys); 1720 1721 lockdep_assert_wiphy(local->hw.wiphy); 1722 1723 old_beacon = sdata_dereference(link->u.ap.beacon, sdata); 1724 if (!old_beacon) 1725 return -ENOENT; 1726 old_probe_resp = sdata_dereference(link->u.ap.probe_resp, 1727 sdata); 1728 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery, 1729 sdata); 1730 old_unsol_bcast_probe_resp = 1731 sdata_dereference(link->u.ap.unsol_bcast_probe_resp, 1732 sdata); 1733 old_s1g_short_beacon = 1734 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 1735 1736 /* abort any running channel switch or color change */ 1737 link_conf->csa_active = false; 1738 link_conf->color_change_active = false; 1739 ieee80211_vif_unblock_queues_csa(sdata); 1740 1741 ieee80211_free_next_beacon(link); 1742 1743 /* turn off carrier for this interface and dependent VLANs */ 1744 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1745 netif_carrier_off(vlan->dev); 1746 1747 if (ieee80211_num_beaconing_links(sdata) <= 1) { 1748 netif_carrier_off(dev); 1749 sdata->u.ap.active = false; 1750 } 1751 1752 /* remove beacon and probe response */ 1753 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1754 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL); 1755 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1756 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1757 RCU_INIT_POINTER(link->u.ap.s1g_short_beacon, NULL); 1758 kfree_rcu(old_beacon, rcu_head); 1759 if (old_probe_resp) 1760 kfree_rcu(old_probe_resp, rcu_head); 1761 if (old_fils_discovery) 1762 kfree_rcu(old_fils_discovery, rcu_head); 1763 if (old_unsol_bcast_probe_resp) 1764 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1765 if (old_s1g_short_beacon) 1766 kfree_rcu(old_s1g_short_beacon, rcu_head); 1767 1768 kfree(link_conf->ftmr_params); 1769 link_conf->ftmr_params = NULL; 1770 1771 link_conf->bssid_index = 0; 1772 link_conf->nontransmitted = false; 1773 link_conf->ema_ap = false; 1774 link_conf->bssid_indicator = 0; 1775 1776 __sta_info_flush(sdata, true, link_id, NULL); 1777 1778 ieee80211_remove_link_keys(link, &keys); 1779 if (!list_empty(&keys)) { 1780 synchronize_net(); 1781 ieee80211_free_key_list(local, &keys); 1782 } 1783 1784 ieee80211_stop_mbssid(sdata); 1785 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL); 1786 1787 link_conf->enable_beacon = false; 1788 sdata->beacon_rate_set = false; 1789 sdata->vif.cfg.ssid_len = 0; 1790 sdata->vif.cfg.s1g = false; 1791 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1792 ieee80211_link_info_change_notify(sdata, link, 1793 BSS_CHANGED_BEACON_ENABLED); 1794 1795 if (sdata->wdev.links[link_id].cac_started) { 1796 chandef = link_conf->chanreq.oper; 1797 wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work); 1798 cfg80211_cac_event(sdata->dev, &chandef, 1799 NL80211_RADAR_CAC_ABORTED, 1800 GFP_KERNEL, link_id); 1801 } 1802 1803 drv_stop_ap(sdata->local, sdata, link_conf); 1804 1805 /* free all potentially still buffered bcast frames */ 1806 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1807 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1808 1809 ieee80211_link_copy_chanctx_to_vlans(link, true); 1810 ieee80211_link_release_channel(link); 1811 1812 return 0; 1813 } 1814 1815 static int sta_apply_auth_flags(struct ieee80211_local *local, 1816 struct sta_info *sta, 1817 u32 mask, u32 set) 1818 { 1819 int ret; 1820 1821 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1822 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1823 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1824 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1825 if (ret) 1826 return ret; 1827 } 1828 1829 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1830 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1831 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1832 /* 1833 * When peer becomes associated, init rate control as 1834 * well. Some drivers require rate control initialized 1835 * before drv_sta_state() is called. 1836 */ 1837 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1838 rate_control_rate_init_all_links(sta); 1839 1840 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1841 if (ret) 1842 return ret; 1843 } 1844 1845 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1846 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1847 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1848 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1849 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1850 else 1851 ret = 0; 1852 if (ret) 1853 return ret; 1854 } 1855 1856 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1857 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1858 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1859 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1860 if (ret) 1861 return ret; 1862 } 1863 1864 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1865 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1866 test_sta_flag(sta, WLAN_STA_AUTH)) { 1867 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1868 if (ret) 1869 return ret; 1870 } 1871 1872 return 0; 1873 } 1874 1875 static void sta_apply_mesh_params(struct ieee80211_local *local, 1876 struct sta_info *sta, 1877 struct station_parameters *params) 1878 { 1879 #ifdef CONFIG_MAC80211_MESH 1880 struct ieee80211_sub_if_data *sdata = sta->sdata; 1881 u64 changed = 0; 1882 1883 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1884 switch (params->plink_state) { 1885 case NL80211_PLINK_ESTAB: 1886 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1887 changed = mesh_plink_inc_estab_count(sdata); 1888 sta->mesh->plink_state = params->plink_state; 1889 sta->mesh->aid = params->peer_aid; 1890 1891 ieee80211_mps_sta_status_update(sta); 1892 changed |= ieee80211_mps_set_sta_local_pm(sta, 1893 sdata->u.mesh.mshcfg.power_mode); 1894 1895 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 1896 /* init at low value */ 1897 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 1898 1899 break; 1900 case NL80211_PLINK_LISTEN: 1901 case NL80211_PLINK_BLOCKED: 1902 case NL80211_PLINK_OPN_SNT: 1903 case NL80211_PLINK_OPN_RCVD: 1904 case NL80211_PLINK_CNF_RCVD: 1905 case NL80211_PLINK_HOLDING: 1906 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1907 changed = mesh_plink_dec_estab_count(sdata); 1908 sta->mesh->plink_state = params->plink_state; 1909 1910 ieee80211_mps_sta_status_update(sta); 1911 changed |= ieee80211_mps_set_sta_local_pm(sta, 1912 NL80211_MESH_POWER_UNKNOWN); 1913 break; 1914 default: 1915 /* nothing */ 1916 break; 1917 } 1918 } 1919 1920 switch (params->plink_action) { 1921 case NL80211_PLINK_ACTION_NO_ACTION: 1922 /* nothing */ 1923 break; 1924 case NL80211_PLINK_ACTION_OPEN: 1925 changed |= mesh_plink_open(sta); 1926 break; 1927 case NL80211_PLINK_ACTION_BLOCK: 1928 changed |= mesh_plink_block(sta); 1929 break; 1930 } 1931 1932 if (params->local_pm) 1933 changed |= ieee80211_mps_set_sta_local_pm(sta, 1934 params->local_pm); 1935 1936 ieee80211_mbss_info_change_notify(sdata, changed); 1937 #endif 1938 } 1939 1940 enum sta_link_apply_mode { 1941 STA_LINK_MODE_NEW, 1942 STA_LINK_MODE_STA_MODIFY, 1943 STA_LINK_MODE_LINK_MODIFY, 1944 }; 1945 1946 static int sta_link_apply_parameters(struct ieee80211_local *local, 1947 struct sta_info *sta, 1948 enum sta_link_apply_mode mode, 1949 struct link_station_parameters *params) 1950 { 1951 struct ieee80211_supported_band *sband; 1952 struct ieee80211_sub_if_data *sdata = sta->sdata; 1953 u32 link_id = params->link_id < 0 ? 0 : params->link_id; 1954 struct ieee80211_link_data *link = 1955 sdata_dereference(sdata->link[link_id], sdata); 1956 struct link_sta_info *link_sta = 1957 rcu_dereference_protected(sta->link[link_id], 1958 lockdep_is_held(&local->hw.wiphy->mtx)); 1959 bool changes = params->link_mac || 1960 params->txpwr_set || 1961 params->supported_rates_len || 1962 params->ht_capa || 1963 params->vht_capa || 1964 params->he_capa || 1965 params->eht_capa || 1966 params->s1g_capa || 1967 params->opmode_notif_used; 1968 1969 switch (mode) { 1970 case STA_LINK_MODE_NEW: 1971 if (!params->link_mac) 1972 return -EINVAL; 1973 break; 1974 case STA_LINK_MODE_LINK_MODIFY: 1975 break; 1976 case STA_LINK_MODE_STA_MODIFY: 1977 if (params->link_id >= 0) 1978 break; 1979 if (!changes) 1980 return 0; 1981 break; 1982 } 1983 1984 if (!link || !link_sta) 1985 return -EINVAL; 1986 1987 sband = ieee80211_get_link_sband(link); 1988 if (!sband) 1989 return -EINVAL; 1990 1991 if (params->link_mac) { 1992 if (mode == STA_LINK_MODE_NEW) { 1993 memcpy(link_sta->addr, params->link_mac, ETH_ALEN); 1994 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN); 1995 } else if (!ether_addr_equal(link_sta->addr, 1996 params->link_mac)) { 1997 return -EINVAL; 1998 } 1999 } 2000 2001 if (params->txpwr_set) { 2002 int ret; 2003 2004 link_sta->pub->txpwr.type = params->txpwr.type; 2005 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 2006 link_sta->pub->txpwr.power = params->txpwr.power; 2007 ret = drv_sta_set_txpwr(local, sdata, sta); 2008 if (ret) 2009 return ret; 2010 } 2011 2012 if (params->supported_rates && 2013 params->supported_rates_len && 2014 !ieee80211_parse_bitrates(link->conf->chanreq.oper.width, 2015 sband, params->supported_rates, 2016 params->supported_rates_len, 2017 &link_sta->pub->supp_rates[sband->band])) 2018 return -EINVAL; 2019 2020 if (params->ht_capa) 2021 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 2022 params->ht_capa, link_sta); 2023 2024 /* VHT can override some HT caps such as the A-MSDU max length */ 2025 if (params->vht_capa) 2026 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 2027 params->vht_capa, NULL, 2028 link_sta); 2029 2030 if (params->he_capa) 2031 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 2032 (void *)params->he_capa, 2033 params->he_capa_len, 2034 (void *)params->he_6ghz_capa, 2035 link_sta); 2036 2037 if (params->he_capa && params->eht_capa) 2038 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, 2039 (u8 *)params->he_capa, 2040 params->he_capa_len, 2041 params->eht_capa, 2042 params->eht_capa_len, 2043 link_sta); 2044 2045 if (params->s1g_capa) 2046 ieee80211_s1g_cap_to_sta_s1g_cap(sdata, params->s1g_capa, 2047 link_sta); 2048 2049 ieee80211_sta_init_nss(link_sta); 2050 2051 if (params->opmode_notif_used) { 2052 enum nl80211_chan_width width = link->conf->chanreq.oper.width; 2053 2054 switch (width) { 2055 case NL80211_CHAN_WIDTH_20: 2056 case NL80211_CHAN_WIDTH_40: 2057 case NL80211_CHAN_WIDTH_80: 2058 case NL80211_CHAN_WIDTH_160: 2059 case NL80211_CHAN_WIDTH_80P80: 2060 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */ 2061 break; 2062 default: 2063 return -EINVAL; 2064 } 2065 2066 /* returned value is only needed for rc update, but the 2067 * rc isn't initialized here yet, so ignore it 2068 */ 2069 __ieee80211_vht_handle_opmode(sdata, link_sta, 2070 params->opmode_notif, 2071 sband->band); 2072 } 2073 2074 return 0; 2075 } 2076 2077 static int sta_apply_parameters(struct ieee80211_local *local, 2078 struct sta_info *sta, 2079 struct station_parameters *params) 2080 { 2081 struct ieee80211_sub_if_data *sdata = sta->sdata; 2082 u32 mask, set; 2083 int ret = 0; 2084 2085 mask = params->sta_flags_mask; 2086 set = params->sta_flags_set; 2087 2088 if (ieee80211_vif_is_mesh(&sdata->vif)) { 2089 /* 2090 * In mesh mode, ASSOCIATED isn't part of the nl80211 2091 * API but must follow AUTHENTICATED for driver state. 2092 */ 2093 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2094 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2095 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2096 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2097 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2098 /* 2099 * TDLS -- everything follows authorized, but 2100 * only becoming authorized is possible, not 2101 * going back 2102 */ 2103 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2104 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2105 BIT(NL80211_STA_FLAG_ASSOCIATED); 2106 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2107 BIT(NL80211_STA_FLAG_ASSOCIATED); 2108 } 2109 } 2110 2111 if (mask & BIT(NL80211_STA_FLAG_WME) && 2112 local->hw.queues >= IEEE80211_NUM_ACS) 2113 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 2114 2115 /* auth flags will be set later for TDLS, 2116 * and for unassociated stations that move to associated */ 2117 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2118 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 2119 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 2120 ret = sta_apply_auth_flags(local, sta, mask, set); 2121 if (ret) 2122 return ret; 2123 } 2124 2125 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 2126 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 2127 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2128 else 2129 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2130 } 2131 2132 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 2133 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 2134 if (set & BIT(NL80211_STA_FLAG_MFP)) 2135 set_sta_flag(sta, WLAN_STA_MFP); 2136 else 2137 clear_sta_flag(sta, WLAN_STA_MFP); 2138 } 2139 2140 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 2141 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2142 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 2143 else 2144 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 2145 } 2146 2147 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU)) 2148 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU); 2149 2150 /* mark TDLS channel switch support, if the AP allows it */ 2151 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2152 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited && 2153 params->ext_capab_len >= 4 && 2154 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 2155 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 2156 2157 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2158 !sdata->u.mgd.tdls_wider_bw_prohibited && 2159 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 2160 params->ext_capab_len >= 8 && 2161 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 2162 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 2163 2164 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 2165 sta->sta.uapsd_queues = params->uapsd_queues; 2166 sta->sta.max_sp = params->max_sp; 2167 } 2168 2169 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab, 2170 params->ext_capab_len); 2171 2172 /* 2173 * cfg80211 validates this (1-2007) and allows setting the AID 2174 * only when creating a new station entry 2175 */ 2176 if (params->aid) 2177 sta->sta.aid = params->aid; 2178 2179 /* 2180 * Some of the following updates would be racy if called on an 2181 * existing station, via ieee80211_change_station(). However, 2182 * all such changes are rejected by cfg80211 except for updates 2183 * changing the supported rates on an existing but not yet used 2184 * TDLS peer. 2185 */ 2186 2187 if (params->listen_interval >= 0) 2188 sta->listen_interval = params->listen_interval; 2189 2190 if (params->eml_cap_present) 2191 sta->sta.eml_cap = params->eml_cap; 2192 2193 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY, 2194 ¶ms->link_sta_params); 2195 if (ret) 2196 return ret; 2197 2198 if (params->support_p2p_ps >= 0) 2199 sta->sta.support_p2p_ps = params->support_p2p_ps; 2200 2201 if (ieee80211_vif_is_mesh(&sdata->vif)) 2202 sta_apply_mesh_params(local, sta, params); 2203 2204 if (params->airtime_weight) 2205 sta->airtime_weight = params->airtime_weight; 2206 2207 /* set the STA state after all sta info from usermode has been set */ 2208 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 2209 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 2210 ret = sta_apply_auth_flags(local, sta, mask, set); 2211 if (ret) 2212 return ret; 2213 } 2214 2215 /* Mark the STA as MLO if MLD MAC address is available */ 2216 if (params->link_sta_params.mld_mac) 2217 sta->sta.mlo = true; 2218 2219 return 0; 2220 } 2221 2222 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 2223 const u8 *mac, 2224 struct station_parameters *params) 2225 { 2226 struct ieee80211_local *local = wiphy_priv(wiphy); 2227 struct sta_info *sta; 2228 struct ieee80211_sub_if_data *sdata; 2229 int err; 2230 2231 lockdep_assert_wiphy(local->hw.wiphy); 2232 2233 if (params->vlan) { 2234 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2235 2236 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 2237 sdata->vif.type != NL80211_IFTYPE_AP) 2238 return -EINVAL; 2239 } else 2240 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2241 2242 if (ether_addr_equal(mac, sdata->vif.addr)) 2243 return -EINVAL; 2244 2245 if (!is_valid_ether_addr(mac)) 2246 return -EINVAL; 2247 2248 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 2249 sdata->vif.type == NL80211_IFTYPE_STATION && 2250 !sdata->u.mgd.associated) 2251 return -EINVAL; 2252 2253 /* 2254 * If we have a link ID, it can be a non-MLO station on an AP MLD, 2255 * but we need to have a link_mac in that case as well, so use the 2256 * STA's MAC address in that case. 2257 */ 2258 if (params->link_sta_params.link_id >= 0) 2259 sta = sta_info_alloc_with_link(sdata, mac, 2260 params->link_sta_params.link_id, 2261 params->link_sta_params.link_mac ?: mac, 2262 GFP_KERNEL); 2263 else 2264 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 2265 2266 if (!sta) 2267 return -ENOMEM; 2268 2269 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2270 sta->sta.tdls = true; 2271 2272 /* Though the mutex is not needed here (since the station is not 2273 * visible yet), sta_apply_parameters (and inner functions) require 2274 * the mutex due to other paths. 2275 */ 2276 err = sta_apply_parameters(local, sta, params); 2277 if (err) { 2278 sta_info_free(local, sta); 2279 return err; 2280 } 2281 2282 /* 2283 * for TDLS and for unassociated station, rate control should be 2284 * initialized only when rates are known and station is marked 2285 * authorized/associated 2286 */ 2287 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2288 test_sta_flag(sta, WLAN_STA_ASSOC)) 2289 rate_control_rate_init_all_links(sta); 2290 2291 return sta_info_insert(sta); 2292 } 2293 2294 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 2295 struct station_del_parameters *params) 2296 { 2297 struct ieee80211_sub_if_data *sdata; 2298 2299 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2300 2301 if (params->mac) 2302 return sta_info_destroy_addr_bss(sdata, params->mac); 2303 2304 sta_info_flush(sdata, params->link_id); 2305 return 0; 2306 } 2307 2308 static int ieee80211_change_station(struct wiphy *wiphy, 2309 struct net_device *dev, const u8 *mac, 2310 struct station_parameters *params) 2311 { 2312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2313 struct ieee80211_local *local = wiphy_priv(wiphy); 2314 struct sta_info *sta; 2315 struct ieee80211_sub_if_data *vlansdata; 2316 enum cfg80211_station_type statype; 2317 int err; 2318 2319 lockdep_assert_wiphy(local->hw.wiphy); 2320 2321 sta = sta_info_get_bss(sdata, mac); 2322 if (!sta) 2323 return -ENOENT; 2324 2325 switch (sdata->vif.type) { 2326 case NL80211_IFTYPE_MESH_POINT: 2327 if (sdata->u.mesh.user_mpm) 2328 statype = CFG80211_STA_MESH_PEER_USER; 2329 else 2330 statype = CFG80211_STA_MESH_PEER_KERNEL; 2331 break; 2332 case NL80211_IFTYPE_ADHOC: 2333 statype = CFG80211_STA_IBSS; 2334 break; 2335 case NL80211_IFTYPE_STATION: 2336 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2337 statype = CFG80211_STA_AP_STA; 2338 break; 2339 } 2340 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2341 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2342 else 2343 statype = CFG80211_STA_TDLS_PEER_SETUP; 2344 break; 2345 case NL80211_IFTYPE_AP: 2346 case NL80211_IFTYPE_AP_VLAN: 2347 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2348 statype = CFG80211_STA_AP_CLIENT; 2349 else 2350 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2351 break; 2352 default: 2353 return -EOPNOTSUPP; 2354 } 2355 2356 err = cfg80211_check_station_change(wiphy, params, statype); 2357 if (err) 2358 return err; 2359 2360 if (params->vlan && params->vlan != sta->sdata->dev) { 2361 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2362 2363 if (params->vlan->ieee80211_ptr->use_4addr) { 2364 if (vlansdata->u.vlan.sta) 2365 return -EBUSY; 2366 2367 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 2368 __ieee80211_check_fast_rx_iface(vlansdata); 2369 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2370 } 2371 2372 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2373 sta->sdata->u.vlan.sta) 2374 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2375 2376 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2377 ieee80211_vif_dec_num_mcast(sta->sdata); 2378 2379 sta->sdata = vlansdata; 2380 ieee80211_check_fast_rx(sta); 2381 ieee80211_check_fast_xmit(sta); 2382 2383 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2384 ieee80211_vif_inc_num_mcast(sta->sdata); 2385 cfg80211_send_layer2_update(sta->sdata->dev, 2386 sta->sta.addr); 2387 } 2388 } 2389 2390 err = sta_apply_parameters(local, sta, params); 2391 if (err) 2392 return err; 2393 2394 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2395 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2396 ieee80211_recalc_ps(local); 2397 ieee80211_recalc_ps_vif(sdata); 2398 } 2399 2400 return 0; 2401 } 2402 2403 #ifdef CONFIG_MAC80211_MESH 2404 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2405 const u8 *dst, const u8 *next_hop) 2406 { 2407 struct ieee80211_sub_if_data *sdata; 2408 struct mesh_path *mpath; 2409 struct sta_info *sta; 2410 2411 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2412 2413 rcu_read_lock(); 2414 sta = sta_info_get(sdata, next_hop); 2415 if (!sta) { 2416 rcu_read_unlock(); 2417 return -ENOENT; 2418 } 2419 2420 mpath = mesh_path_add(sdata, dst); 2421 if (IS_ERR(mpath)) { 2422 rcu_read_unlock(); 2423 return PTR_ERR(mpath); 2424 } 2425 2426 mesh_path_fix_nexthop(mpath, sta); 2427 2428 rcu_read_unlock(); 2429 return 0; 2430 } 2431 2432 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2433 const u8 *dst) 2434 { 2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2436 2437 if (dst) 2438 return mesh_path_del(sdata, dst); 2439 2440 mesh_path_flush_by_iface(sdata); 2441 return 0; 2442 } 2443 2444 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2445 const u8 *dst, const u8 *next_hop) 2446 { 2447 struct ieee80211_sub_if_data *sdata; 2448 struct mesh_path *mpath; 2449 struct sta_info *sta; 2450 2451 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2452 2453 rcu_read_lock(); 2454 2455 sta = sta_info_get(sdata, next_hop); 2456 if (!sta) { 2457 rcu_read_unlock(); 2458 return -ENOENT; 2459 } 2460 2461 mpath = mesh_path_lookup(sdata, dst); 2462 if (!mpath) { 2463 rcu_read_unlock(); 2464 return -ENOENT; 2465 } 2466 2467 mesh_path_fix_nexthop(mpath, sta); 2468 2469 rcu_read_unlock(); 2470 return 0; 2471 } 2472 2473 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2474 struct mpath_info *pinfo) 2475 { 2476 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2477 2478 if (next_hop_sta) 2479 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2480 else 2481 eth_zero_addr(next_hop); 2482 2483 memset(pinfo, 0, sizeof(*pinfo)); 2484 2485 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2486 2487 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2488 MPATH_INFO_SN | 2489 MPATH_INFO_METRIC | 2490 MPATH_INFO_EXPTIME | 2491 MPATH_INFO_DISCOVERY_TIMEOUT | 2492 MPATH_INFO_DISCOVERY_RETRIES | 2493 MPATH_INFO_FLAGS | 2494 MPATH_INFO_HOP_COUNT | 2495 MPATH_INFO_PATH_CHANGE; 2496 2497 pinfo->frame_qlen = mpath->frame_queue.qlen; 2498 pinfo->sn = mpath->sn; 2499 pinfo->metric = mpath->metric; 2500 if (time_before(jiffies, mpath->exp_time)) 2501 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2502 pinfo->discovery_timeout = 2503 jiffies_to_msecs(mpath->discovery_timeout); 2504 pinfo->discovery_retries = mpath->discovery_retries; 2505 if (mpath->flags & MESH_PATH_ACTIVE) 2506 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2507 if (mpath->flags & MESH_PATH_RESOLVING) 2508 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 2509 if (mpath->flags & MESH_PATH_SN_VALID) 2510 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 2511 if (mpath->flags & MESH_PATH_FIXED) 2512 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 2513 if (mpath->flags & MESH_PATH_RESOLVED) 2514 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 2515 pinfo->hop_count = mpath->hop_count; 2516 pinfo->path_change_count = mpath->path_change_count; 2517 } 2518 2519 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 2520 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 2521 2522 { 2523 struct ieee80211_sub_if_data *sdata; 2524 struct mesh_path *mpath; 2525 2526 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2527 2528 rcu_read_lock(); 2529 mpath = mesh_path_lookup(sdata, dst); 2530 if (!mpath) { 2531 rcu_read_unlock(); 2532 return -ENOENT; 2533 } 2534 memcpy(dst, mpath->dst, ETH_ALEN); 2535 mpath_set_pinfo(mpath, next_hop, pinfo); 2536 rcu_read_unlock(); 2537 return 0; 2538 } 2539 2540 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 2541 int idx, u8 *dst, u8 *next_hop, 2542 struct mpath_info *pinfo) 2543 { 2544 struct ieee80211_sub_if_data *sdata; 2545 struct mesh_path *mpath; 2546 2547 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2548 2549 rcu_read_lock(); 2550 mpath = mesh_path_lookup_by_idx(sdata, idx); 2551 if (!mpath) { 2552 rcu_read_unlock(); 2553 return -ENOENT; 2554 } 2555 memcpy(dst, mpath->dst, ETH_ALEN); 2556 mpath_set_pinfo(mpath, next_hop, pinfo); 2557 rcu_read_unlock(); 2558 return 0; 2559 } 2560 2561 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 2562 struct mpath_info *pinfo) 2563 { 2564 memset(pinfo, 0, sizeof(*pinfo)); 2565 memcpy(mpp, mpath->mpp, ETH_ALEN); 2566 2567 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 2568 } 2569 2570 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 2571 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 2572 2573 { 2574 struct ieee80211_sub_if_data *sdata; 2575 struct mesh_path *mpath; 2576 2577 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2578 2579 rcu_read_lock(); 2580 mpath = mpp_path_lookup(sdata, dst); 2581 if (!mpath) { 2582 rcu_read_unlock(); 2583 return -ENOENT; 2584 } 2585 memcpy(dst, mpath->dst, ETH_ALEN); 2586 mpp_set_pinfo(mpath, mpp, pinfo); 2587 rcu_read_unlock(); 2588 return 0; 2589 } 2590 2591 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2592 int idx, u8 *dst, u8 *mpp, 2593 struct mpath_info *pinfo) 2594 { 2595 struct ieee80211_sub_if_data *sdata; 2596 struct mesh_path *mpath; 2597 2598 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2599 2600 rcu_read_lock(); 2601 mpath = mpp_path_lookup_by_idx(sdata, idx); 2602 if (!mpath) { 2603 rcu_read_unlock(); 2604 return -ENOENT; 2605 } 2606 memcpy(dst, mpath->dst, ETH_ALEN); 2607 mpp_set_pinfo(mpath, mpp, pinfo); 2608 rcu_read_unlock(); 2609 return 0; 2610 } 2611 2612 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2613 struct net_device *dev, 2614 struct mesh_config *conf) 2615 { 2616 struct ieee80211_sub_if_data *sdata; 2617 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2618 2619 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2620 return 0; 2621 } 2622 2623 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2624 { 2625 return (mask >> (parm-1)) & 0x1; 2626 } 2627 2628 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2629 const struct mesh_setup *setup) 2630 { 2631 u8 *new_ie; 2632 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2633 struct ieee80211_sub_if_data, u.mesh); 2634 int i; 2635 2636 /* allocate information elements */ 2637 new_ie = NULL; 2638 2639 if (setup->ie_len) { 2640 new_ie = kmemdup(setup->ie, setup->ie_len, 2641 GFP_KERNEL); 2642 if (!new_ie) 2643 return -ENOMEM; 2644 } 2645 ifmsh->ie_len = setup->ie_len; 2646 ifmsh->ie = new_ie; 2647 2648 /* now copy the rest of the setup parameters */ 2649 ifmsh->mesh_id_len = setup->mesh_id_len; 2650 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2651 ifmsh->mesh_sp_id = setup->sync_method; 2652 ifmsh->mesh_pp_id = setup->path_sel_proto; 2653 ifmsh->mesh_pm_id = setup->path_metric; 2654 ifmsh->user_mpm = setup->user_mpm; 2655 ifmsh->mesh_auth_id = setup->auth_id; 2656 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2657 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2658 if (setup->is_authenticated) 2659 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2660 if (setup->is_secure) 2661 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2662 2663 /* mcast rate setting in Mesh Node */ 2664 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2665 sizeof(setup->mcast_rate)); 2666 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2667 2668 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2669 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2670 2671 sdata->beacon_rate_set = false; 2672 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2673 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2674 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2675 sdata->beacon_rateidx_mask[i] = 2676 setup->beacon_rate.control[i].legacy; 2677 if (sdata->beacon_rateidx_mask[i]) 2678 sdata->beacon_rate_set = true; 2679 } 2680 } 2681 2682 return 0; 2683 } 2684 2685 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2686 struct net_device *dev, u32 mask, 2687 const struct mesh_config *nconf) 2688 { 2689 struct mesh_config *conf; 2690 struct ieee80211_sub_if_data *sdata; 2691 struct ieee80211_if_mesh *ifmsh; 2692 2693 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2694 ifmsh = &sdata->u.mesh; 2695 2696 /* Set the config options which we are interested in setting */ 2697 conf = &(sdata->u.mesh.mshcfg); 2698 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2699 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2700 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2701 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2702 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2703 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2704 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2705 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2706 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2707 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2708 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2709 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2710 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2711 conf->element_ttl = nconf->element_ttl; 2712 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2713 if (ifmsh->user_mpm) 2714 return -EBUSY; 2715 conf->auto_open_plinks = nconf->auto_open_plinks; 2716 } 2717 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2718 conf->dot11MeshNbrOffsetMaxNeighbor = 2719 nconf->dot11MeshNbrOffsetMaxNeighbor; 2720 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2721 conf->dot11MeshHWMPmaxPREQretries = 2722 nconf->dot11MeshHWMPmaxPREQretries; 2723 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2724 conf->path_refresh_time = nconf->path_refresh_time; 2725 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2726 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2727 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2728 conf->dot11MeshHWMPactivePathTimeout = 2729 nconf->dot11MeshHWMPactivePathTimeout; 2730 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2731 conf->dot11MeshHWMPpreqMinInterval = 2732 nconf->dot11MeshHWMPpreqMinInterval; 2733 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2734 conf->dot11MeshHWMPperrMinInterval = 2735 nconf->dot11MeshHWMPperrMinInterval; 2736 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2737 mask)) 2738 conf->dot11MeshHWMPnetDiameterTraversalTime = 2739 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2740 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2741 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2742 ieee80211_mesh_root_setup(ifmsh); 2743 } 2744 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2745 /* our current gate announcement implementation rides on root 2746 * announcements, so require this ifmsh to also be a root node 2747 * */ 2748 if (nconf->dot11MeshGateAnnouncementProtocol && 2749 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2750 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2751 ieee80211_mesh_root_setup(ifmsh); 2752 } 2753 conf->dot11MeshGateAnnouncementProtocol = 2754 nconf->dot11MeshGateAnnouncementProtocol; 2755 } 2756 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2757 conf->dot11MeshHWMPRannInterval = 2758 nconf->dot11MeshHWMPRannInterval; 2759 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2760 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2761 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2762 /* our RSSI threshold implementation is supported only for 2763 * devices that report signal in dBm. 2764 */ 2765 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2766 return -EOPNOTSUPP; 2767 conf->rssi_threshold = nconf->rssi_threshold; 2768 } 2769 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2770 conf->ht_opmode = nconf->ht_opmode; 2771 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2772 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2773 BSS_CHANGED_HT); 2774 } 2775 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2776 conf->dot11MeshHWMPactivePathToRootTimeout = 2777 nconf->dot11MeshHWMPactivePathToRootTimeout; 2778 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2779 conf->dot11MeshHWMProotInterval = 2780 nconf->dot11MeshHWMProotInterval; 2781 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2782 conf->dot11MeshHWMPconfirmationInterval = 2783 nconf->dot11MeshHWMPconfirmationInterval; 2784 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2785 conf->power_mode = nconf->power_mode; 2786 ieee80211_mps_local_status_update(sdata); 2787 } 2788 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2789 conf->dot11MeshAwakeWindowDuration = 2790 nconf->dot11MeshAwakeWindowDuration; 2791 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2792 conf->plink_timeout = nconf->plink_timeout; 2793 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2794 conf->dot11MeshConnectedToMeshGate = 2795 nconf->dot11MeshConnectedToMeshGate; 2796 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2797 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2798 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2799 conf->dot11MeshConnectedToAuthServer = 2800 nconf->dot11MeshConnectedToAuthServer; 2801 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2802 return 0; 2803 } 2804 2805 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2806 const struct mesh_config *conf, 2807 const struct mesh_setup *setup) 2808 { 2809 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2810 struct ieee80211_chan_req chanreq = { .oper = setup->chandef }; 2811 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2812 int err; 2813 2814 lockdep_assert_wiphy(sdata->local->hw.wiphy); 2815 2816 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2817 err = copy_mesh_setup(ifmsh, setup); 2818 if (err) 2819 return err; 2820 2821 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2822 2823 /* can mesh use other SMPS modes? */ 2824 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 2825 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 2826 2827 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 2828 IEEE80211_CHANCTX_SHARED); 2829 if (err) 2830 return err; 2831 2832 return ieee80211_start_mesh(sdata); 2833 } 2834 2835 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2836 { 2837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2838 2839 lockdep_assert_wiphy(sdata->local->hw.wiphy); 2840 2841 ieee80211_stop_mesh(sdata); 2842 ieee80211_link_release_channel(&sdata->deflink); 2843 kfree(sdata->u.mesh.ie); 2844 2845 return 0; 2846 } 2847 #endif 2848 2849 static int ieee80211_change_bss(struct wiphy *wiphy, 2850 struct net_device *dev, 2851 struct bss_parameters *params) 2852 { 2853 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2854 struct ieee80211_link_data *link; 2855 struct ieee80211_supported_band *sband; 2856 u64 changed = 0; 2857 2858 link = ieee80211_link_or_deflink(sdata, params->link_id, true); 2859 if (IS_ERR(link)) 2860 return PTR_ERR(link); 2861 2862 if (!sdata_dereference(link->u.ap.beacon, sdata)) 2863 return -ENOENT; 2864 2865 sband = ieee80211_get_link_sband(link); 2866 if (!sband) 2867 return -EINVAL; 2868 2869 if (params->basic_rates) { 2870 if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width, 2871 wiphy->bands[sband->band], 2872 params->basic_rates, 2873 params->basic_rates_len, 2874 &link->conf->basic_rates)) 2875 return -EINVAL; 2876 changed |= BSS_CHANGED_BASIC_RATES; 2877 ieee80211_check_rate_mask(link); 2878 } 2879 2880 if (params->use_cts_prot >= 0) { 2881 link->conf->use_cts_prot = params->use_cts_prot; 2882 changed |= BSS_CHANGED_ERP_CTS_PROT; 2883 } 2884 if (params->use_short_preamble >= 0) { 2885 link->conf->use_short_preamble = params->use_short_preamble; 2886 changed |= BSS_CHANGED_ERP_PREAMBLE; 2887 } 2888 2889 if (!link->conf->use_short_slot && 2890 (sband->band == NL80211_BAND_5GHZ || 2891 sband->band == NL80211_BAND_6GHZ)) { 2892 link->conf->use_short_slot = true; 2893 changed |= BSS_CHANGED_ERP_SLOT; 2894 } 2895 2896 if (params->use_short_slot_time >= 0) { 2897 link->conf->use_short_slot = params->use_short_slot_time; 2898 changed |= BSS_CHANGED_ERP_SLOT; 2899 } 2900 2901 if (params->ap_isolate >= 0) { 2902 if (params->ap_isolate) 2903 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2904 else 2905 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2906 ieee80211_check_fast_rx_iface(sdata); 2907 } 2908 2909 if (params->ht_opmode >= 0) { 2910 link->conf->ht_operation_mode = (u16)params->ht_opmode; 2911 changed |= BSS_CHANGED_HT; 2912 } 2913 2914 if (params->p2p_ctwindow >= 0) { 2915 link->conf->p2p_noa_attr.oppps_ctwindow &= 2916 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2917 link->conf->p2p_noa_attr.oppps_ctwindow |= 2918 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2919 changed |= BSS_CHANGED_P2P_PS; 2920 } 2921 2922 if (params->p2p_opp_ps > 0) { 2923 link->conf->p2p_noa_attr.oppps_ctwindow |= 2924 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2925 changed |= BSS_CHANGED_P2P_PS; 2926 } else if (params->p2p_opp_ps == 0) { 2927 link->conf->p2p_noa_attr.oppps_ctwindow &= 2928 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2929 changed |= BSS_CHANGED_P2P_PS; 2930 } 2931 2932 ieee80211_link_info_change_notify(sdata, link, changed); 2933 2934 return 0; 2935 } 2936 2937 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2938 struct net_device *dev, 2939 struct ieee80211_txq_params *params) 2940 { 2941 struct ieee80211_local *local = wiphy_priv(wiphy); 2942 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2943 struct ieee80211_link_data *link = 2944 ieee80211_link_or_deflink(sdata, params->link_id, true); 2945 struct ieee80211_tx_queue_params p; 2946 2947 if (!local->ops->conf_tx) 2948 return -EOPNOTSUPP; 2949 2950 if (local->hw.queues < IEEE80211_NUM_ACS) 2951 return -EOPNOTSUPP; 2952 2953 if (IS_ERR(link)) 2954 return PTR_ERR(link); 2955 2956 memset(&p, 0, sizeof(p)); 2957 p.aifs = params->aifs; 2958 p.cw_max = params->cwmax; 2959 p.cw_min = params->cwmin; 2960 p.txop = params->txop; 2961 2962 /* 2963 * Setting tx queue params disables u-apsd because it's only 2964 * called in master mode. 2965 */ 2966 p.uapsd = false; 2967 2968 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 2969 2970 link->tx_conf[params->ac] = p; 2971 if (drv_conf_tx(local, link, params->ac, &p)) { 2972 wiphy_debug(local->hw.wiphy, 2973 "failed to set TX queue parameters for AC %d\n", 2974 params->ac); 2975 return -EINVAL; 2976 } 2977 2978 ieee80211_link_info_change_notify(sdata, link, 2979 BSS_CHANGED_QOS); 2980 2981 return 0; 2982 } 2983 2984 #ifdef CONFIG_PM 2985 static int ieee80211_suspend(struct wiphy *wiphy, 2986 struct cfg80211_wowlan *wowlan) 2987 { 2988 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2989 } 2990 2991 static int ieee80211_resume(struct wiphy *wiphy) 2992 { 2993 return __ieee80211_resume(wiphy_priv(wiphy)); 2994 } 2995 #else 2996 #define ieee80211_suspend NULL 2997 #define ieee80211_resume NULL 2998 #endif 2999 3000 static int ieee80211_scan(struct wiphy *wiphy, 3001 struct cfg80211_scan_request *req) 3002 { 3003 struct ieee80211_sub_if_data *sdata; 3004 3005 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 3006 3007 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 3008 case NL80211_IFTYPE_STATION: 3009 case NL80211_IFTYPE_ADHOC: 3010 case NL80211_IFTYPE_MESH_POINT: 3011 case NL80211_IFTYPE_P2P_CLIENT: 3012 case NL80211_IFTYPE_P2P_DEVICE: 3013 break; 3014 case NL80211_IFTYPE_P2P_GO: 3015 if (sdata->local->ops->hw_scan) 3016 break; 3017 /* 3018 * FIXME: implement NoA while scanning in software, 3019 * for now fall through to allow scanning only when 3020 * beaconing hasn't been configured yet 3021 */ 3022 fallthrough; 3023 case NL80211_IFTYPE_AP: 3024 /* 3025 * If the scan has been forced (and the driver supports 3026 * forcing), don't care about being beaconing already. 3027 * This will create problems to the attached stations (e.g. all 3028 * the frames sent while scanning on other channel will be 3029 * lost) 3030 */ 3031 if (ieee80211_num_beaconing_links(sdata) && 3032 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 3033 !(req->flags & NL80211_SCAN_FLAG_AP))) 3034 return -EOPNOTSUPP; 3035 break; 3036 case NL80211_IFTYPE_NAN: 3037 default: 3038 return -EOPNOTSUPP; 3039 } 3040 3041 return ieee80211_request_scan(sdata, req); 3042 } 3043 3044 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 3045 { 3046 ieee80211_scan_cancel(wiphy_priv(wiphy)); 3047 } 3048 3049 static int 3050 ieee80211_sched_scan_start(struct wiphy *wiphy, 3051 struct net_device *dev, 3052 struct cfg80211_sched_scan_request *req) 3053 { 3054 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3055 3056 if (!sdata->local->ops->sched_scan_start) 3057 return -EOPNOTSUPP; 3058 3059 return ieee80211_request_sched_scan_start(sdata, req); 3060 } 3061 3062 static int 3063 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 3064 u64 reqid) 3065 { 3066 struct ieee80211_local *local = wiphy_priv(wiphy); 3067 3068 if (!local->ops->sched_scan_stop) 3069 return -EOPNOTSUPP; 3070 3071 return ieee80211_request_sched_scan_stop(local); 3072 } 3073 3074 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 3075 struct cfg80211_auth_request *req) 3076 { 3077 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3078 } 3079 3080 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 3081 struct cfg80211_assoc_request *req) 3082 { 3083 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3084 } 3085 3086 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 3087 struct cfg80211_deauth_request *req) 3088 { 3089 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3090 } 3091 3092 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 3093 struct cfg80211_disassoc_request *req) 3094 { 3095 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3096 } 3097 3098 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 3099 struct cfg80211_ibss_params *params) 3100 { 3101 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 3102 } 3103 3104 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 3105 { 3106 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3107 } 3108 3109 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 3110 struct ocb_setup *setup) 3111 { 3112 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 3113 } 3114 3115 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 3116 { 3117 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3118 } 3119 3120 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 3121 int rate[NUM_NL80211_BANDS]) 3122 { 3123 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3124 3125 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 3126 sizeof(int) * NUM_NL80211_BANDS); 3127 3128 if (ieee80211_sdata_running(sdata)) 3129 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3130 BSS_CHANGED_MCAST_RATE); 3131 3132 return 0; 3133 } 3134 3135 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, 3136 u32 changed) 3137 { 3138 struct ieee80211_local *local = wiphy_priv(wiphy); 3139 int err; 3140 3141 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 3142 ieee80211_check_fast_xmit_all(local); 3143 3144 err = drv_set_frag_threshold(local, radio_idx, 3145 wiphy->frag_threshold); 3146 3147 if (err) { 3148 ieee80211_check_fast_xmit_all(local); 3149 return err; 3150 } 3151 } 3152 3153 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 3154 (changed & WIPHY_PARAM_DYN_ACK)) { 3155 s16 coverage_class; 3156 3157 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 3158 wiphy->coverage_class : -1; 3159 err = drv_set_coverage_class(local, radio_idx, 3160 coverage_class); 3161 3162 if (err) 3163 return err; 3164 } 3165 3166 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 3167 u32 rts_threshold; 3168 3169 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio)) 3170 rts_threshold = wiphy->rts_threshold; 3171 else 3172 rts_threshold = 3173 wiphy->radio_cfg[radio_idx].rts_threshold; 3174 3175 err = drv_set_rts_threshold(local, radio_idx, rts_threshold); 3176 3177 if (err) 3178 return err; 3179 } 3180 3181 if (changed & WIPHY_PARAM_RETRY_SHORT) { 3182 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 3183 return -EINVAL; 3184 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 3185 } 3186 if (changed & WIPHY_PARAM_RETRY_LONG) { 3187 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 3188 return -EINVAL; 3189 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 3190 } 3191 if (changed & 3192 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 3193 ieee80211_hw_config(local, radio_idx, 3194 IEEE80211_CONF_CHANGE_RETRY_LIMITS); 3195 3196 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 3197 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 3198 WIPHY_PARAM_TXQ_QUANTUM)) 3199 ieee80211_txq_set_params(local, radio_idx); 3200 3201 return 0; 3202 } 3203 3204 static int ieee80211_set_tx_power(struct wiphy *wiphy, 3205 struct wireless_dev *wdev, int radio_idx, 3206 enum nl80211_tx_power_setting type, int mbm) 3207 { 3208 struct ieee80211_local *local = wiphy_priv(wiphy); 3209 struct ieee80211_sub_if_data *sdata; 3210 enum nl80211_tx_power_setting txp_type = type; 3211 bool update_txp_type = false; 3212 bool has_monitor = false; 3213 int user_power_level; 3214 int old_power = local->user_power_level; 3215 3216 lockdep_assert_wiphy(local->hw.wiphy); 3217 3218 switch (type) { 3219 case NL80211_TX_POWER_AUTOMATIC: 3220 user_power_level = IEEE80211_UNSET_POWER_LEVEL; 3221 txp_type = NL80211_TX_POWER_LIMITED; 3222 break; 3223 case NL80211_TX_POWER_LIMITED: 3224 case NL80211_TX_POWER_FIXED: 3225 if (mbm < 0 || (mbm % 100)) 3226 return -EOPNOTSUPP; 3227 user_power_level = MBM_TO_DBM(mbm); 3228 break; 3229 default: 3230 return -EINVAL; 3231 } 3232 3233 if (wdev) { 3234 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3235 3236 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3237 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3238 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) 3239 return -EOPNOTSUPP; 3240 3241 sdata = wiphy_dereference(local->hw.wiphy, 3242 local->monitor_sdata); 3243 if (!sdata) 3244 return -EOPNOTSUPP; 3245 } 3246 3247 for (int link_id = 0; 3248 link_id < ARRAY_SIZE(sdata->link); 3249 link_id++) { 3250 struct ieee80211_link_data *link = 3251 wiphy_dereference(wiphy, sdata->link[link_id]); 3252 3253 if (!link) 3254 continue; 3255 3256 link->user_power_level = user_power_level; 3257 3258 if (txp_type != link->conf->txpower_type) { 3259 update_txp_type = true; 3260 link->conf->txpower_type = txp_type; 3261 } 3262 3263 ieee80211_recalc_txpower(link, update_txp_type); 3264 } 3265 return 0; 3266 } 3267 3268 local->user_power_level = user_power_level; 3269 3270 list_for_each_entry(sdata, &local->interfaces, list) { 3271 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3272 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3273 has_monitor = true; 3274 continue; 3275 } 3276 3277 for (int link_id = 0; 3278 link_id < ARRAY_SIZE(sdata->link); 3279 link_id++) { 3280 struct ieee80211_link_data *link = 3281 wiphy_dereference(wiphy, sdata->link[link_id]); 3282 3283 if (!link) 3284 continue; 3285 3286 link->user_power_level = local->user_power_level; 3287 if (txp_type != link->conf->txpower_type) 3288 update_txp_type = true; 3289 link->conf->txpower_type = txp_type; 3290 } 3291 } 3292 list_for_each_entry(sdata, &local->interfaces, list) { 3293 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3294 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 3295 continue; 3296 3297 for (int link_id = 0; 3298 link_id < ARRAY_SIZE(sdata->link); 3299 link_id++) { 3300 struct ieee80211_link_data *link = 3301 wiphy_dereference(wiphy, sdata->link[link_id]); 3302 3303 if (!link) 3304 continue; 3305 3306 ieee80211_recalc_txpower(link, update_txp_type); 3307 } 3308 } 3309 3310 if (has_monitor) { 3311 sdata = wiphy_dereference(local->hw.wiphy, 3312 local->monitor_sdata); 3313 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) { 3314 sdata->deflink.user_power_level = local->user_power_level; 3315 if (txp_type != sdata->vif.bss_conf.txpower_type) 3316 update_txp_type = true; 3317 sdata->vif.bss_conf.txpower_type = txp_type; 3318 3319 ieee80211_recalc_txpower(&sdata->deflink, 3320 update_txp_type); 3321 } 3322 } 3323 3324 if (local->emulate_chanctx && 3325 (old_power != local->user_power_level)) 3326 ieee80211_hw_conf_chan(local); 3327 3328 return 0; 3329 } 3330 3331 static int ieee80211_get_tx_power(struct wiphy *wiphy, 3332 struct wireless_dev *wdev, 3333 int radio_idx, 3334 unsigned int link_id, 3335 int *dbm) 3336 { 3337 struct ieee80211_local *local = wiphy_priv(wiphy); 3338 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3339 struct ieee80211_link_data *link_data; 3340 3341 if (local->ops->get_txpower && 3342 (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) 3343 return drv_get_txpower(local, sdata, link_id, dbm); 3344 3345 if (local->emulate_chanctx) { 3346 *dbm = local->hw.conf.power_level; 3347 } else { 3348 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 3349 3350 if (link_data) 3351 *dbm = link_data->conf->txpower; 3352 else 3353 return -ENOLINK; 3354 } 3355 3356 /* INT_MIN indicates no power level was set yet */ 3357 if (*dbm == INT_MIN) 3358 return -EINVAL; 3359 3360 return 0; 3361 } 3362 3363 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 3364 { 3365 struct ieee80211_local *local = wiphy_priv(wiphy); 3366 3367 drv_rfkill_poll(local); 3368 } 3369 3370 #ifdef CONFIG_NL80211_TESTMODE 3371 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3372 struct wireless_dev *wdev, 3373 void *data, int len) 3374 { 3375 struct ieee80211_local *local = wiphy_priv(wiphy); 3376 struct ieee80211_vif *vif = NULL; 3377 3378 if (!local->ops->testmode_cmd) 3379 return -EOPNOTSUPP; 3380 3381 if (wdev) { 3382 struct ieee80211_sub_if_data *sdata; 3383 3384 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3385 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3386 vif = &sdata->vif; 3387 } 3388 3389 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3390 } 3391 3392 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3393 struct sk_buff *skb, 3394 struct netlink_callback *cb, 3395 void *data, int len) 3396 { 3397 struct ieee80211_local *local = wiphy_priv(wiphy); 3398 3399 if (!local->ops->testmode_dump) 3400 return -EOPNOTSUPP; 3401 3402 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3403 } 3404 #endif 3405 3406 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3407 struct ieee80211_link_data *link, 3408 enum ieee80211_smps_mode smps_mode) 3409 { 3410 const u8 *ap; 3411 enum ieee80211_smps_mode old_req; 3412 int err; 3413 struct sta_info *sta; 3414 bool tdls_peer_found = false; 3415 3416 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3417 3418 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3419 return -EINVAL; 3420 3421 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3422 return 0; 3423 3424 old_req = link->u.mgd.req_smps; 3425 link->u.mgd.req_smps = smps_mode; 3426 3427 /* The driver indicated that EML is enabled for the interface, which 3428 * implies that SMPS flows towards the AP should be stopped. 3429 */ 3430 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE) 3431 return 0; 3432 3433 if (old_req == smps_mode && 3434 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3435 return 0; 3436 3437 /* 3438 * If not associated, or current association is not an HT 3439 * association, there's no need to do anything, just store 3440 * the new value until we associate. 3441 */ 3442 if (!sdata->u.mgd.associated || 3443 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT) 3444 return 0; 3445 3446 ap = sdata->vif.cfg.ap_addr; 3447 3448 rcu_read_lock(); 3449 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3450 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3451 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3452 continue; 3453 3454 tdls_peer_found = true; 3455 break; 3456 } 3457 rcu_read_unlock(); 3458 3459 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3460 if (tdls_peer_found || !sdata->u.mgd.powersave) 3461 smps_mode = IEEE80211_SMPS_OFF; 3462 else 3463 smps_mode = IEEE80211_SMPS_DYNAMIC; 3464 } 3465 3466 /* send SM PS frame to AP */ 3467 err = ieee80211_send_smps_action(sdata, smps_mode, 3468 ap, ap, 3469 ieee80211_vif_is_mld(&sdata->vif) ? 3470 link->link_id : -1); 3471 if (err) 3472 link->u.mgd.req_smps = old_req; 3473 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3474 ieee80211_teardown_tdls_peers(link); 3475 3476 return err; 3477 } 3478 3479 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3480 bool enabled, int timeout) 3481 { 3482 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3483 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3484 unsigned int link_id; 3485 3486 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3487 return -EOPNOTSUPP; 3488 3489 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3490 return -EOPNOTSUPP; 3491 3492 if (enabled == sdata->u.mgd.powersave && 3493 timeout == local->dynamic_ps_forced_timeout) 3494 return 0; 3495 3496 sdata->u.mgd.powersave = enabled; 3497 local->dynamic_ps_forced_timeout = timeout; 3498 3499 /* no change, but if automatic follow powersave */ 3500 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 3501 struct ieee80211_link_data *link; 3502 3503 link = sdata_dereference(sdata->link[link_id], sdata); 3504 3505 if (!link) 3506 continue; 3507 __ieee80211_request_smps_mgd(sdata, link, 3508 link->u.mgd.req_smps); 3509 } 3510 3511 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 3512 ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS); 3513 3514 ieee80211_recalc_ps(local); 3515 ieee80211_recalc_ps_vif(sdata); 3516 ieee80211_check_fast_rx_iface(sdata); 3517 3518 return 0; 3519 } 3520 3521 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata, 3522 struct ieee80211_link_data *link, 3523 s32 rssi_thold, u32 rssi_hyst, 3524 s32 rssi_low, s32 rssi_high) 3525 { 3526 struct ieee80211_bss_conf *conf; 3527 3528 if (!link || !link->conf) 3529 return; 3530 3531 conf = link->conf; 3532 3533 if (rssi_thold && rssi_hyst && 3534 rssi_thold == conf->cqm_rssi_thold && 3535 rssi_hyst == conf->cqm_rssi_hyst) 3536 return; 3537 3538 conf->cqm_rssi_thold = rssi_thold; 3539 conf->cqm_rssi_hyst = rssi_hyst; 3540 conf->cqm_rssi_low = rssi_low; 3541 conf->cqm_rssi_high = rssi_high; 3542 link->u.mgd.last_cqm_event_signal = 0; 3543 3544 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3545 return; 3546 3547 if (sdata->u.mgd.associated && 3548 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3549 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM); 3550 } 3551 3552 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 3553 struct net_device *dev, 3554 s32 rssi_thold, u32 rssi_hyst) 3555 { 3556 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3557 struct ieee80211_vif *vif = &sdata->vif; 3558 int link_id; 3559 3560 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER && 3561 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3562 return -EOPNOTSUPP; 3563 3564 /* For MLD, handle CQM change on all the active links */ 3565 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 3566 struct ieee80211_link_data *link = 3567 sdata_dereference(sdata->link[link_id], sdata); 3568 3569 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst, 3570 0, 0); 3571 } 3572 3573 return 0; 3574 } 3575 3576 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 3577 struct net_device *dev, 3578 s32 rssi_low, s32 rssi_high) 3579 { 3580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3581 struct ieee80211_vif *vif = &sdata->vif; 3582 int link_id; 3583 3584 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) 3585 return -EOPNOTSUPP; 3586 3587 /* For MLD, handle CQM change on all the active links */ 3588 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 3589 struct ieee80211_link_data *link = 3590 sdata_dereference(sdata->link[link_id], sdata); 3591 3592 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0, 3593 rssi_low, rssi_high); 3594 } 3595 3596 return 0; 3597 } 3598 3599 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 3600 struct net_device *dev, 3601 unsigned int link_id, 3602 const u8 *addr, 3603 const struct cfg80211_bitrate_mask *mask) 3604 { 3605 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3606 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3607 int i, ret; 3608 3609 if (!ieee80211_sdata_running(sdata)) 3610 return -ENETDOWN; 3611 3612 /* 3613 * If active validate the setting and reject it if it doesn't leave 3614 * at least one basic rate usable, since we really have to be able 3615 * to send something, and if we're an AP we have to be able to do 3616 * so at a basic rate so that all clients can receive it. 3617 */ 3618 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 3619 sdata->vif.bss_conf.chanreq.oper.chan) { 3620 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 3621 enum nl80211_band band; 3622 3623 band = sdata->vif.bss_conf.chanreq.oper.chan->band; 3624 3625 if (!(mask->control[band].legacy & basic_rates)) 3626 return -EINVAL; 3627 } 3628 3629 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 3630 ret = drv_set_bitrate_mask(local, sdata, mask); 3631 if (ret) 3632 return ret; 3633 } 3634 3635 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3636 struct ieee80211_supported_band *sband = wiphy->bands[i]; 3637 int j; 3638 3639 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 3640 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 3641 sizeof(mask->control[i].ht_mcs)); 3642 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 3643 mask->control[i].vht_mcs, 3644 sizeof(mask->control[i].vht_mcs)); 3645 3646 sdata->rc_has_mcs_mask[i] = false; 3647 sdata->rc_has_vht_mcs_mask[i] = false; 3648 if (!sband) 3649 continue; 3650 3651 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 3652 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 3653 sdata->rc_has_mcs_mask[i] = true; 3654 break; 3655 } 3656 } 3657 3658 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 3659 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 3660 sdata->rc_has_vht_mcs_mask[i] = true; 3661 break; 3662 } 3663 } 3664 } 3665 3666 return 0; 3667 } 3668 3669 static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy, 3670 struct ieee80211_local *local, 3671 struct cfg80211_chan_def *chandef) 3672 { 3673 struct cfg80211_scan_request *scan_req; 3674 int chan_radio_idx, req_radio_idx; 3675 struct ieee80211_roc_work *roc; 3676 3677 if (list_empty(&local->roc_list) && !local->scanning) 3678 return false; 3679 3680 if (wiphy->n_radio < 2) 3681 return true; 3682 3683 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan); 3684 if (req_radio_idx < 0) 3685 return true; 3686 3687 if (local->scanning) { 3688 scan_req = wiphy_dereference(wiphy, local->scan_req); 3689 /* 3690 * Scan is going on but info is not there. Should not happen 3691 * but if it does, let's not take risk and assume we can't use 3692 * the hw hence return true 3693 */ 3694 if (WARN_ON_ONCE(!scan_req)) 3695 return true; 3696 3697 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req, 3698 req_radio_idx); 3699 } 3700 3701 list_for_each_entry(roc, &local->roc_list, list) { 3702 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, 3703 roc->chan); 3704 /* 3705 * The roc work is added but chan_radio_idx is invalid. 3706 * Should not happen but if it does, let's not take 3707 * risk and return true. 3708 */ 3709 if (chan_radio_idx < 0) 3710 return true; 3711 3712 if (chan_radio_idx == req_radio_idx) 3713 return true; 3714 } 3715 3716 return false; 3717 } 3718 3719 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 3720 struct net_device *dev, 3721 struct cfg80211_chan_def *chandef, 3722 u32 cac_time_ms, int link_id) 3723 { 3724 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3725 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 3726 struct ieee80211_local *local = sdata->local; 3727 struct ieee80211_link_data *link_data; 3728 int err; 3729 3730 lockdep_assert_wiphy(local->hw.wiphy); 3731 3732 if (ieee80211_is_scan_ongoing(wiphy, local, chandef)) 3733 return -EBUSY; 3734 3735 link_data = sdata_dereference(sdata->link[link_id], sdata); 3736 if (!link_data) 3737 return -ENOLINK; 3738 3739 /* whatever, but channel contexts should not complain about that one */ 3740 link_data->smps_mode = IEEE80211_SMPS_OFF; 3741 link_data->needed_rx_chains = local->rx_chains; 3742 3743 err = ieee80211_link_use_channel(link_data, &chanreq, 3744 IEEE80211_CHANCTX_SHARED); 3745 if (err) 3746 return err; 3747 3748 wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work, 3749 msecs_to_jiffies(cac_time_ms)); 3750 3751 return 0; 3752 } 3753 3754 static void ieee80211_end_cac(struct wiphy *wiphy, 3755 struct net_device *dev, unsigned int link_id) 3756 { 3757 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3758 struct ieee80211_local *local = sdata->local; 3759 struct ieee80211_link_data *link_data; 3760 3761 lockdep_assert_wiphy(local->hw.wiphy); 3762 3763 list_for_each_entry(sdata, &local->interfaces, list) { 3764 link_data = sdata_dereference(sdata->link[link_id], sdata); 3765 if (!link_data) 3766 continue; 3767 3768 wiphy_delayed_work_cancel(wiphy, 3769 &link_data->dfs_cac_timer_work); 3770 3771 if (sdata->wdev.links[link_id].cac_started) { 3772 ieee80211_link_release_channel(link_data); 3773 sdata->wdev.links[link_id].cac_started = false; 3774 } 3775 } 3776 } 3777 3778 static struct cfg80211_beacon_data * 3779 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3780 { 3781 struct cfg80211_beacon_data *new_beacon; 3782 u8 *pos; 3783 int len; 3784 3785 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3786 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3787 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 3788 3789 if (beacon->mbssid_ies) 3790 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies, 3791 beacon->rnr_ies, 3792 beacon->mbssid_ies->cnt); 3793 3794 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3795 if (!new_beacon) 3796 return NULL; 3797 3798 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3799 new_beacon->mbssid_ies = 3800 kzalloc(struct_size(new_beacon->mbssid_ies, 3801 elem, beacon->mbssid_ies->cnt), 3802 GFP_KERNEL); 3803 if (!new_beacon->mbssid_ies) { 3804 kfree(new_beacon); 3805 return NULL; 3806 } 3807 3808 if (beacon->rnr_ies && beacon->rnr_ies->cnt) { 3809 new_beacon->rnr_ies = 3810 kzalloc(struct_size(new_beacon->rnr_ies, 3811 elem, beacon->rnr_ies->cnt), 3812 GFP_KERNEL); 3813 if (!new_beacon->rnr_ies) { 3814 kfree(new_beacon->mbssid_ies); 3815 kfree(new_beacon); 3816 return NULL; 3817 } 3818 } 3819 } 3820 3821 pos = (u8 *)(new_beacon + 1); 3822 if (beacon->head_len) { 3823 new_beacon->head_len = beacon->head_len; 3824 new_beacon->head = pos; 3825 memcpy(pos, beacon->head, beacon->head_len); 3826 pos += beacon->head_len; 3827 } 3828 if (beacon->tail_len) { 3829 new_beacon->tail_len = beacon->tail_len; 3830 new_beacon->tail = pos; 3831 memcpy(pos, beacon->tail, beacon->tail_len); 3832 pos += beacon->tail_len; 3833 } 3834 if (beacon->beacon_ies_len) { 3835 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3836 new_beacon->beacon_ies = pos; 3837 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3838 pos += beacon->beacon_ies_len; 3839 } 3840 if (beacon->proberesp_ies_len) { 3841 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3842 new_beacon->proberesp_ies = pos; 3843 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3844 pos += beacon->proberesp_ies_len; 3845 } 3846 if (beacon->assocresp_ies_len) { 3847 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3848 new_beacon->assocresp_ies = pos; 3849 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3850 pos += beacon->assocresp_ies_len; 3851 } 3852 if (beacon->probe_resp_len) { 3853 new_beacon->probe_resp_len = beacon->probe_resp_len; 3854 new_beacon->probe_resp = pos; 3855 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3856 pos += beacon->probe_resp_len; 3857 } 3858 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3859 pos += ieee80211_copy_mbssid_beacon(pos, 3860 new_beacon->mbssid_ies, 3861 beacon->mbssid_ies); 3862 if (beacon->rnr_ies && beacon->rnr_ies->cnt) 3863 pos += ieee80211_copy_rnr_beacon(pos, 3864 new_beacon->rnr_ies, 3865 beacon->rnr_ies); 3866 } 3867 3868 /* might copy -1, meaning no changes requested */ 3869 new_beacon->ftm_responder = beacon->ftm_responder; 3870 if (beacon->lci) { 3871 new_beacon->lci_len = beacon->lci_len; 3872 new_beacon->lci = pos; 3873 memcpy(pos, beacon->lci, beacon->lci_len); 3874 pos += beacon->lci_len; 3875 } 3876 if (beacon->civicloc) { 3877 new_beacon->civicloc_len = beacon->civicloc_len; 3878 new_beacon->civicloc = pos; 3879 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3880 pos += beacon->civicloc_len; 3881 } 3882 3883 return new_beacon; 3884 } 3885 3886 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id) 3887 { 3888 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3889 struct ieee80211_local *local = sdata->local; 3890 struct ieee80211_bss_conf *tx_bss_conf; 3891 struct ieee80211_link_data *link_data; 3892 3893 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 3894 return; 3895 3896 rcu_read_lock(); 3897 3898 link_data = rcu_dereference(sdata->link[link_id]); 3899 if (WARN_ON(!link_data)) { 3900 rcu_read_unlock(); 3901 return; 3902 } 3903 3904 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf); 3905 if (tx_bss_conf == link_data->conf) { 3906 /* Trigger ieee80211_csa_finish() on the non-transmitting 3907 * interfaces when channel switch is received on 3908 * transmitting interface 3909 */ 3910 struct ieee80211_link_data *iter; 3911 3912 for_each_sdata_link_rcu(local, iter) { 3913 if (iter->sdata == sdata || 3914 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf) 3915 continue; 3916 3917 wiphy_work_queue(iter->sdata->local->hw.wiphy, 3918 &iter->csa.finalize_work); 3919 } 3920 } 3921 3922 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work); 3923 3924 rcu_read_unlock(); 3925 } 3926 EXPORT_SYMBOL(ieee80211_csa_finish); 3927 3928 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif) 3929 { 3930 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3931 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3932 struct ieee80211_local *local = sdata->local; 3933 3934 sdata_info(sdata, "channel switch failed, disconnecting\n"); 3935 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work); 3936 } 3937 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 3938 3939 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data, 3940 u64 *changed) 3941 { 3942 struct ieee80211_sub_if_data *sdata = link_data->sdata; 3943 int err; 3944 3945 switch (sdata->vif.type) { 3946 case NL80211_IFTYPE_AP: 3947 if (!link_data->u.ap.next_beacon) 3948 return -EINVAL; 3949 3950 err = ieee80211_assign_beacon(sdata, link_data, 3951 link_data->u.ap.next_beacon, 3952 NULL, NULL, changed); 3953 ieee80211_free_next_beacon(link_data); 3954 3955 if (err < 0) 3956 return err; 3957 break; 3958 case NL80211_IFTYPE_ADHOC: 3959 err = ieee80211_ibss_finish_csa(sdata, changed); 3960 if (err < 0) 3961 return err; 3962 break; 3963 #ifdef CONFIG_MAC80211_MESH 3964 case NL80211_IFTYPE_MESH_POINT: 3965 err = ieee80211_mesh_finish_csa(sdata, changed); 3966 if (err < 0) 3967 return err; 3968 break; 3969 #endif 3970 default: 3971 WARN_ON(1); 3972 return -EINVAL; 3973 } 3974 3975 return 0; 3976 } 3977 3978 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 3979 { 3980 struct ieee80211_sub_if_data *sdata = link_data->sdata; 3981 struct ieee80211_local *local = sdata->local; 3982 struct ieee80211_bss_conf *link_conf = link_data->conf; 3983 u64 changed = 0; 3984 int err; 3985 3986 lockdep_assert_wiphy(local->hw.wiphy); 3987 3988 /* 3989 * using reservation isn't immediate as it may be deferred until later 3990 * with multi-vif. once reservation is complete it will re-schedule the 3991 * work with no reserved_chanctx so verify chandef to check if it 3992 * completed successfully 3993 */ 3994 3995 if (link_data->reserved_chanctx) { 3996 /* 3997 * with multi-vif csa driver may call ieee80211_csa_finish() 3998 * many times while waiting for other interfaces to use their 3999 * reservations 4000 */ 4001 if (link_data->reserved_ready) 4002 return 0; 4003 4004 return ieee80211_link_use_reserved_context(link_data); 4005 } 4006 4007 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper, 4008 &link_data->csa.chanreq.oper)) 4009 return -EINVAL; 4010 4011 link_conf->csa_active = false; 4012 4013 err = ieee80211_set_after_csa_beacon(link_data, &changed); 4014 if (err) 4015 return err; 4016 4017 ieee80211_link_info_change_notify(sdata, link_data, changed); 4018 4019 ieee80211_vif_unblock_queues_csa(sdata); 4020 4021 err = drv_post_channel_switch(link_data); 4022 if (err) 4023 return err; 4024 4025 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper, 4026 link_data->link_id); 4027 4028 return 0; 4029 } 4030 4031 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4032 { 4033 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4034 4035 if (__ieee80211_csa_finalize(link_data)) { 4036 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n", 4037 link_data->link_id); 4038 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 4039 GFP_KERNEL); 4040 } 4041 } 4042 4043 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) 4044 { 4045 struct ieee80211_link_data *link = 4046 container_of(work, struct ieee80211_link_data, csa.finalize_work); 4047 struct ieee80211_sub_if_data *sdata = link->sdata; 4048 struct ieee80211_local *local = sdata->local; 4049 4050 lockdep_assert_wiphy(local->hw.wiphy); 4051 4052 /* AP might have been stopped while waiting for the lock. */ 4053 if (!link->conf->csa_active) 4054 return; 4055 4056 if (!ieee80211_sdata_running(sdata)) 4057 return; 4058 4059 ieee80211_csa_finalize(link); 4060 } 4061 4062 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data, 4063 struct cfg80211_csa_settings *params, 4064 u64 *changed) 4065 { 4066 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4067 struct ieee80211_csa_settings csa = {}; 4068 int err; 4069 4070 switch (sdata->vif.type) { 4071 case NL80211_IFTYPE_AP: 4072 link_data->u.ap.next_beacon = 4073 cfg80211_beacon_dup(¶ms->beacon_after); 4074 if (!link_data->u.ap.next_beacon) 4075 return -ENOMEM; 4076 4077 /* 4078 * With a count of 0, we don't have to wait for any 4079 * TBTT before switching, so complete the CSA 4080 * immediately. In theory, with a count == 1 we 4081 * should delay the switch until just before the next 4082 * TBTT, but that would complicate things so we switch 4083 * immediately too. If we would delay the switch 4084 * until the next TBTT, we would have to set the probe 4085 * response here. 4086 * 4087 * TODO: A channel switch with count <= 1 without 4088 * sending a CSA action frame is kind of useless, 4089 * because the clients won't know we're changing 4090 * channels. The action frame must be implemented 4091 * either here or in the userspace. 4092 */ 4093 if (params->count <= 1) 4094 break; 4095 4096 if ((params->n_counter_offsets_beacon > 4097 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 4098 (params->n_counter_offsets_presp > 4099 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 4100 ieee80211_free_next_beacon(link_data); 4101 return -EINVAL; 4102 } 4103 4104 csa.counter_offsets_beacon = params->counter_offsets_beacon; 4105 csa.counter_offsets_presp = params->counter_offsets_presp; 4106 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 4107 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 4108 csa.count = params->count; 4109 4110 err = ieee80211_assign_beacon(sdata, link_data, 4111 ¶ms->beacon_csa, &csa, 4112 NULL, changed); 4113 if (err < 0) { 4114 ieee80211_free_next_beacon(link_data); 4115 return err; 4116 } 4117 4118 break; 4119 case NL80211_IFTYPE_ADHOC: 4120 if (!sdata->vif.cfg.ibss_joined) 4121 return -EINVAL; 4122 4123 if (params->chandef.width != sdata->u.ibss.chandef.width) 4124 return -EINVAL; 4125 4126 switch (params->chandef.width) { 4127 case NL80211_CHAN_WIDTH_40: 4128 if (cfg80211_get_chandef_type(¶ms->chandef) != 4129 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 4130 return -EINVAL; 4131 break; 4132 case NL80211_CHAN_WIDTH_5: 4133 case NL80211_CHAN_WIDTH_10: 4134 case NL80211_CHAN_WIDTH_20_NOHT: 4135 case NL80211_CHAN_WIDTH_20: 4136 break; 4137 default: 4138 return -EINVAL; 4139 } 4140 4141 /* changes into another band are not supported */ 4142 if (sdata->u.ibss.chandef.chan->band != 4143 params->chandef.chan->band) 4144 return -EINVAL; 4145 4146 /* see comments in the NL80211_IFTYPE_AP block */ 4147 if (params->count > 1) { 4148 err = ieee80211_ibss_csa_beacon(sdata, params, changed); 4149 if (err < 0) 4150 return err; 4151 } 4152 4153 ieee80211_send_action_csa(sdata, params); 4154 4155 break; 4156 #ifdef CONFIG_MAC80211_MESH 4157 case NL80211_IFTYPE_MESH_POINT: { 4158 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 4159 4160 /* changes into another band are not supported */ 4161 if (sdata->vif.bss_conf.chanreq.oper.chan->band != 4162 params->chandef.chan->band) 4163 return -EINVAL; 4164 4165 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 4166 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 4167 if (!ifmsh->pre_value) 4168 ifmsh->pre_value = 1; 4169 else 4170 ifmsh->pre_value++; 4171 } 4172 4173 /* see comments in the NL80211_IFTYPE_AP block */ 4174 if (params->count > 1) { 4175 err = ieee80211_mesh_csa_beacon(sdata, params, changed); 4176 if (err < 0) { 4177 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 4178 return err; 4179 } 4180 } 4181 4182 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 4183 ieee80211_send_action_csa(sdata, params); 4184 4185 break; 4186 } 4187 #endif 4188 default: 4189 return -EOPNOTSUPP; 4190 } 4191 4192 return 0; 4193 } 4194 4195 static void ieee80211_color_change_abort(struct ieee80211_link_data *link) 4196 { 4197 link->conf->color_change_active = false; 4198 4199 ieee80211_free_next_beacon(link); 4200 4201 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id); 4202 } 4203 4204 static int 4205 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4206 struct cfg80211_csa_settings *params) 4207 { 4208 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4209 struct ieee80211_chan_req chanreq = { .oper = params->chandef }; 4210 struct ieee80211_local *local = sdata->local; 4211 struct ieee80211_channel_switch ch_switch = { 4212 .link_id = params->link_id, 4213 }; 4214 struct ieee80211_chanctx_conf *conf; 4215 struct ieee80211_chanctx *chanctx; 4216 struct ieee80211_bss_conf *link_conf; 4217 struct ieee80211_link_data *link_data; 4218 u64 changed = 0; 4219 u8 link_id = params->link_id; 4220 int err; 4221 4222 lockdep_assert_wiphy(local->hw.wiphy); 4223 4224 if (ieee80211_is_scan_ongoing(wiphy, local, ¶ms->chandef)) 4225 return -EBUSY; 4226 4227 if (sdata->wdev.links[link_id].cac_started) 4228 return -EBUSY; 4229 4230 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4231 return -EINVAL; 4232 4233 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 4234 if (!link_data) 4235 return -ENOLINK; 4236 4237 link_conf = link_data->conf; 4238 4239 if (chanreq.oper.punctured && !link_conf->eht_support) 4240 return -EINVAL; 4241 4242 /* don't allow another channel switch if one is already active. */ 4243 if (link_conf->csa_active) 4244 return -EBUSY; 4245 4246 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf); 4247 if (!conf) { 4248 err = -EBUSY; 4249 goto out; 4250 } 4251 4252 if (params->chandef.chan->freq_offset) { 4253 /* this may work, but is untested */ 4254 err = -EOPNOTSUPP; 4255 goto out; 4256 } 4257 4258 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 4259 ¶ms->unsol_bcast_probe_resp, 4260 link_data, link_conf, &changed); 4261 if (err) 4262 goto out; 4263 4264 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 4265 4266 ch_switch.timestamp = 0; 4267 ch_switch.device_timestamp = 0; 4268 ch_switch.block_tx = params->block_tx; 4269 ch_switch.chandef = chanreq.oper; 4270 ch_switch.count = params->count; 4271 4272 err = drv_pre_channel_switch(sdata, &ch_switch); 4273 if (err) 4274 goto out; 4275 4276 err = ieee80211_link_reserve_chanctx(link_data, &chanreq, 4277 chanctx->mode, 4278 params->radar_required); 4279 if (err) 4280 goto out; 4281 4282 /* if reservation is invalid then this will fail */ 4283 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0, -1); 4284 if (err) { 4285 ieee80211_link_unreserve_chanctx(link_data); 4286 goto out; 4287 } 4288 4289 /* if there is a color change in progress, abort it */ 4290 if (link_conf->color_change_active) 4291 ieee80211_color_change_abort(link_data); 4292 4293 err = ieee80211_set_csa_beacon(link_data, params, &changed); 4294 if (err) { 4295 ieee80211_link_unreserve_chanctx(link_data); 4296 goto out; 4297 } 4298 4299 link_data->csa.chanreq = chanreq; 4300 link_conf->csa_active = true; 4301 4302 if (params->block_tx) 4303 ieee80211_vif_block_queues_csa(sdata); 4304 4305 cfg80211_ch_switch_started_notify(sdata->dev, 4306 &link_data->csa.chanreq.oper, link_id, 4307 params->count, params->block_tx); 4308 4309 if (changed) { 4310 ieee80211_link_info_change_notify(sdata, link_data, changed); 4311 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper); 4312 } else { 4313 /* if the beacon didn't change, we can finalize immediately */ 4314 ieee80211_csa_finalize(link_data); 4315 } 4316 4317 out: 4318 return err; 4319 } 4320 4321 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4322 struct cfg80211_csa_settings *params) 4323 { 4324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4325 struct ieee80211_local *local = sdata->local; 4326 4327 lockdep_assert_wiphy(local->hw.wiphy); 4328 4329 return __ieee80211_channel_switch(wiphy, dev, params); 4330 } 4331 4332 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 4333 { 4334 lockdep_assert_wiphy(local->hw.wiphy); 4335 4336 local->roc_cookie_counter++; 4337 4338 /* wow, you wrapped 64 bits ... more likely a bug */ 4339 if (WARN_ON(local->roc_cookie_counter == 0)) 4340 local->roc_cookie_counter++; 4341 4342 return local->roc_cookie_counter; 4343 } 4344 4345 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 4346 u64 *cookie, gfp_t gfp) 4347 { 4348 unsigned long spin_flags; 4349 struct sk_buff *ack_skb; 4350 int id; 4351 4352 ack_skb = skb_copy(skb, gfp); 4353 if (!ack_skb) 4354 return -ENOMEM; 4355 4356 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 4357 id = idr_alloc(&local->ack_status_frames, ack_skb, 4358 1, 0x2000, GFP_ATOMIC); 4359 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 4360 4361 if (id < 0) { 4362 kfree_skb(ack_skb); 4363 return -ENOMEM; 4364 } 4365 4366 IEEE80211_SKB_CB(skb)->status_data_idr = 1; 4367 IEEE80211_SKB_CB(skb)->status_data = id; 4368 4369 *cookie = ieee80211_mgmt_tx_cookie(local); 4370 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 4371 4372 return 0; 4373 } 4374 4375 static void 4376 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 4377 struct wireless_dev *wdev, 4378 struct mgmt_frame_regs *upd) 4379 { 4380 struct ieee80211_local *local = wiphy_priv(wiphy); 4381 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4382 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 4383 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 4384 bool global_change, intf_change; 4385 4386 global_change = 4387 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 4388 (local->rx_mcast_action_reg != 4389 !!(upd->global_mcast_stypes & action_mask)); 4390 local->probe_req_reg = upd->global_stypes & preq_mask; 4391 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 4392 4393 intf_change = (sdata->vif.probe_req_reg != 4394 !!(upd->interface_stypes & preq_mask)) || 4395 (sdata->vif.rx_mcast_action_reg != 4396 !!(upd->interface_mcast_stypes & action_mask)); 4397 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 4398 sdata->vif.rx_mcast_action_reg = 4399 upd->interface_mcast_stypes & action_mask; 4400 4401 if (!local->open_count) 4402 return; 4403 4404 if (intf_change && ieee80211_sdata_running(sdata)) 4405 drv_config_iface_filter(local, sdata, 4406 sdata->vif.probe_req_reg ? 4407 FIF_PROBE_REQ : 0, 4408 FIF_PROBE_REQ); 4409 4410 if (global_change) 4411 ieee80211_configure_filter(local); 4412 } 4413 4414 static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx, 4415 u32 tx_ant, u32 rx_ant) 4416 { 4417 struct ieee80211_local *local = wiphy_priv(wiphy); 4418 int ret; 4419 4420 if (local->started) 4421 return -EOPNOTSUPP; 4422 4423 ret = drv_set_antenna(local, tx_ant, rx_ant); 4424 if (ret) 4425 return ret; 4426 4427 local->rx_chains = hweight8(rx_ant); 4428 return 0; 4429 } 4430 4431 static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx, 4432 u32 *tx_ant, u32 *rx_ant) 4433 { 4434 struct ieee80211_local *local = wiphy_priv(wiphy); 4435 4436 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant); 4437 } 4438 4439 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 4440 struct net_device *dev, 4441 struct cfg80211_gtk_rekey_data *data) 4442 { 4443 struct ieee80211_local *local = wiphy_priv(wiphy); 4444 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4445 4446 if (!local->ops->set_rekey_data) 4447 return -EOPNOTSUPP; 4448 4449 drv_set_rekey_data(local, sdata, data); 4450 4451 return 0; 4452 } 4453 4454 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 4455 const u8 *peer, u64 *cookie) 4456 { 4457 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4458 struct ieee80211_local *local = sdata->local; 4459 struct ieee80211_qos_hdr *nullfunc; 4460 struct sk_buff *skb; 4461 int size = sizeof(*nullfunc); 4462 __le16 fc; 4463 bool qos; 4464 struct ieee80211_tx_info *info; 4465 struct sta_info *sta; 4466 struct ieee80211_chanctx_conf *chanctx_conf; 4467 enum nl80211_band band; 4468 int ret; 4469 4470 /* the lock is needed to assign the cookie later */ 4471 lockdep_assert_wiphy(local->hw.wiphy); 4472 4473 rcu_read_lock(); 4474 sta = sta_info_get_bss(sdata, peer); 4475 if (!sta) { 4476 ret = -ENOLINK; 4477 goto unlock; 4478 } 4479 4480 qos = sta->sta.wme; 4481 4482 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 4483 if (WARN_ON(!chanctx_conf)) { 4484 ret = -EINVAL; 4485 goto unlock; 4486 } 4487 band = chanctx_conf->def.chan->band; 4488 4489 if (qos) { 4490 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4491 IEEE80211_STYPE_QOS_NULLFUNC | 4492 IEEE80211_FCTL_FROMDS); 4493 } else { 4494 size -= 2; 4495 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4496 IEEE80211_STYPE_NULLFUNC | 4497 IEEE80211_FCTL_FROMDS); 4498 } 4499 4500 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 4501 if (!skb) { 4502 ret = -ENOMEM; 4503 goto unlock; 4504 } 4505 4506 skb->dev = dev; 4507 4508 skb_reserve(skb, local->hw.extra_tx_headroom); 4509 4510 nullfunc = skb_put(skb, size); 4511 nullfunc->frame_control = fc; 4512 nullfunc->duration_id = 0; 4513 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 4514 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 4515 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 4516 nullfunc->seq_ctrl = 0; 4517 4518 info = IEEE80211_SKB_CB(skb); 4519 4520 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 4521 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 4522 info->band = band; 4523 4524 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 4525 skb->priority = 7; 4526 if (qos) 4527 nullfunc->qos_ctrl = cpu_to_le16(7); 4528 4529 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 4530 if (ret) { 4531 kfree_skb(skb); 4532 goto unlock; 4533 } 4534 4535 local_bh_disable(); 4536 ieee80211_xmit(sdata, sta, skb); 4537 local_bh_enable(); 4538 4539 ret = 0; 4540 unlock: 4541 rcu_read_unlock(); 4542 4543 return ret; 4544 } 4545 4546 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 4547 struct wireless_dev *wdev, 4548 unsigned int link_id, 4549 struct cfg80211_chan_def *chandef) 4550 { 4551 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4552 struct ieee80211_local *local = wiphy_priv(wiphy); 4553 struct ieee80211_chanctx_conf *chanctx_conf; 4554 struct ieee80211_link_data *link; 4555 int ret = -ENODATA; 4556 4557 rcu_read_lock(); 4558 link = rcu_dereference(sdata->link[link_id]); 4559 if (!link) { 4560 ret = -ENOLINK; 4561 goto out; 4562 } 4563 4564 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 4565 if (chanctx_conf) { 4566 *chandef = link->conf->chanreq.oper; 4567 ret = 0; 4568 } else if (local->open_count > 0 && 4569 local->open_count == local->virt_monitors && 4570 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 4571 *chandef = local->monitor_chanreq.oper; 4572 ret = 0; 4573 } 4574 out: 4575 rcu_read_unlock(); 4576 4577 return ret; 4578 } 4579 4580 #ifdef CONFIG_PM 4581 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 4582 { 4583 drv_set_wakeup(wiphy_priv(wiphy), enabled); 4584 } 4585 #endif 4586 4587 static int ieee80211_set_qos_map(struct wiphy *wiphy, 4588 struct net_device *dev, 4589 struct cfg80211_qos_map *qos_map) 4590 { 4591 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4592 struct mac80211_qos_map *new_qos_map, *old_qos_map; 4593 4594 if (qos_map) { 4595 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 4596 if (!new_qos_map) 4597 return -ENOMEM; 4598 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 4599 } else { 4600 /* A NULL qos_map was passed to disable QoS mapping */ 4601 new_qos_map = NULL; 4602 } 4603 4604 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 4605 rcu_assign_pointer(sdata->qos_map, new_qos_map); 4606 if (old_qos_map) 4607 kfree_rcu(old_qos_map, rcu_head); 4608 4609 return 0; 4610 } 4611 4612 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 4613 struct net_device *dev, 4614 unsigned int link_id, 4615 struct cfg80211_chan_def *chandef) 4616 { 4617 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4618 struct ieee80211_link_data *link; 4619 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 4620 int ret; 4621 u64 changed = 0; 4622 4623 link = sdata_dereference(sdata->link[link_id], sdata); 4624 4625 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed); 4626 if (ret == 0) 4627 ieee80211_link_info_change_notify(sdata, link, changed); 4628 4629 return ret; 4630 } 4631 4632 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4633 u8 tsid, const u8 *peer, u8 up, 4634 u16 admitted_time) 4635 { 4636 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4637 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4638 int ac = ieee802_1d_to_ac[up]; 4639 4640 if (sdata->vif.type != NL80211_IFTYPE_STATION) 4641 return -EOPNOTSUPP; 4642 4643 if (!(sdata->wmm_acm & BIT(up))) 4644 return -EINVAL; 4645 4646 if (ifmgd->tx_tspec[ac].admitted_time) 4647 return -EBUSY; 4648 4649 if (admitted_time) { 4650 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 4651 ifmgd->tx_tspec[ac].tsid = tsid; 4652 ifmgd->tx_tspec[ac].up = up; 4653 } 4654 4655 return 0; 4656 } 4657 4658 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4659 u8 tsid, const u8 *peer) 4660 { 4661 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4662 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4663 struct ieee80211_local *local = wiphy_priv(wiphy); 4664 int ac; 4665 4666 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 4667 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 4668 4669 /* skip unused entries */ 4670 if (!tx_tspec->admitted_time) 4671 continue; 4672 4673 if (tx_tspec->tsid != tsid) 4674 continue; 4675 4676 /* due to this new packets will be reassigned to non-ACM ACs */ 4677 tx_tspec->up = -1; 4678 4679 /* Make sure that all packets have been sent to avoid to 4680 * restore the QoS params on packets that are still on the 4681 * queues. 4682 */ 4683 synchronize_net(); 4684 ieee80211_flush_queues(local, sdata, false); 4685 4686 /* restore the normal QoS parameters 4687 * (unconditionally to avoid races) 4688 */ 4689 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 4690 tx_tspec->downgraded = false; 4691 ieee80211_sta_handle_tspec_ac_params(sdata); 4692 4693 /* finally clear all the data */ 4694 memset(tx_tspec, 0, sizeof(*tx_tspec)); 4695 4696 return 0; 4697 } 4698 4699 return -ENOENT; 4700 } 4701 4702 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 4703 u8 inst_id, 4704 enum nl80211_nan_func_term_reason reason, 4705 gfp_t gfp) 4706 { 4707 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4708 struct cfg80211_nan_func *func; 4709 u64 cookie; 4710 4711 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4712 return; 4713 4714 spin_lock_bh(&sdata->u.nan.func_lock); 4715 4716 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 4717 if (WARN_ON(!func)) { 4718 spin_unlock_bh(&sdata->u.nan.func_lock); 4719 return; 4720 } 4721 4722 cookie = func->cookie; 4723 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 4724 4725 spin_unlock_bh(&sdata->u.nan.func_lock); 4726 4727 cfg80211_free_nan_func(func); 4728 4729 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 4730 reason, cookie, gfp); 4731 } 4732 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 4733 4734 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 4735 struct cfg80211_nan_match_params *match, 4736 gfp_t gfp) 4737 { 4738 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4739 struct cfg80211_nan_func *func; 4740 4741 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4742 return; 4743 4744 spin_lock_bh(&sdata->u.nan.func_lock); 4745 4746 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 4747 if (WARN_ON(!func)) { 4748 spin_unlock_bh(&sdata->u.nan.func_lock); 4749 return; 4750 } 4751 match->cookie = func->cookie; 4752 4753 spin_unlock_bh(&sdata->u.nan.func_lock); 4754 4755 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 4756 } 4757 EXPORT_SYMBOL(ieee80211_nan_func_match); 4758 4759 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 4760 struct net_device *dev, 4761 const bool enabled) 4762 { 4763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4764 4765 sdata->u.ap.multicast_to_unicast = enabled; 4766 4767 return 0; 4768 } 4769 4770 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 4771 struct txq_info *txqi) 4772 { 4773 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 4774 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 4775 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 4776 } 4777 4778 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 4779 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 4780 txqstats->backlog_packets = txqi->tin.backlog_packets; 4781 } 4782 4783 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 4784 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 4785 txqstats->flows = txqi->tin.flows; 4786 } 4787 4788 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 4789 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 4790 txqstats->drops = txqi->cstats.drop_count; 4791 } 4792 4793 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 4794 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 4795 txqstats->ecn_marks = txqi->cstats.ecn_mark; 4796 } 4797 4798 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 4799 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 4800 txqstats->overlimit = txqi->tin.overlimit; 4801 } 4802 4803 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 4804 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 4805 txqstats->collisions = txqi->tin.collisions; 4806 } 4807 4808 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 4809 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 4810 txqstats->tx_bytes = txqi->tin.tx_bytes; 4811 } 4812 4813 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 4814 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 4815 txqstats->tx_packets = txqi->tin.tx_packets; 4816 } 4817 } 4818 4819 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 4820 struct wireless_dev *wdev, 4821 struct cfg80211_txq_stats *txqstats) 4822 { 4823 struct ieee80211_local *local = wiphy_priv(wiphy); 4824 struct ieee80211_sub_if_data *sdata; 4825 int ret = 0; 4826 4827 spin_lock_bh(&local->fq.lock); 4828 rcu_read_lock(); 4829 4830 if (wdev) { 4831 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4832 if (!sdata->vif.txq) { 4833 ret = 1; 4834 goto out; 4835 } 4836 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 4837 } else { 4838 /* phy stats */ 4839 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 4840 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 4841 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 4842 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 4843 BIT(NL80211_TXQ_STATS_COLLISIONS) | 4844 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 4845 txqstats->backlog_packets = local->fq.backlog; 4846 txqstats->backlog_bytes = local->fq.memory_usage; 4847 txqstats->overlimit = local->fq.overlimit; 4848 txqstats->overmemory = local->fq.overmemory; 4849 txqstats->collisions = local->fq.collisions; 4850 txqstats->max_flows = local->fq.flows_cnt; 4851 } 4852 4853 out: 4854 rcu_read_unlock(); 4855 spin_unlock_bh(&local->fq.lock); 4856 4857 return ret; 4858 } 4859 4860 static int 4861 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4862 struct net_device *dev, 4863 struct cfg80211_ftm_responder_stats *ftm_stats) 4864 { 4865 struct ieee80211_local *local = wiphy_priv(wiphy); 4866 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4867 4868 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4869 } 4870 4871 static int 4872 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4873 struct cfg80211_pmsr_request *request) 4874 { 4875 struct ieee80211_local *local = wiphy_priv(wiphy); 4876 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4877 4878 return drv_start_pmsr(local, sdata, request); 4879 } 4880 4881 static void 4882 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4883 struct cfg80211_pmsr_request *request) 4884 { 4885 struct ieee80211_local *local = wiphy_priv(wiphy); 4886 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4887 4888 return drv_abort_pmsr(local, sdata, request); 4889 } 4890 4891 static int ieee80211_set_tid_config(struct wiphy *wiphy, 4892 struct net_device *dev, 4893 struct cfg80211_tid_config *tid_conf) 4894 { 4895 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4896 struct sta_info *sta; 4897 4898 lockdep_assert_wiphy(sdata->local->hw.wiphy); 4899 4900 if (!sdata->local->ops->set_tid_config) 4901 return -EOPNOTSUPP; 4902 4903 if (!tid_conf->peer) 4904 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 4905 4906 sta = sta_info_get_bss(sdata, tid_conf->peer); 4907 if (!sta) 4908 return -ENOENT; 4909 4910 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 4911 } 4912 4913 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 4914 struct net_device *dev, 4915 const u8 *peer, u8 tids) 4916 { 4917 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4918 struct sta_info *sta; 4919 4920 lockdep_assert_wiphy(sdata->local->hw.wiphy); 4921 4922 if (!sdata->local->ops->reset_tid_config) 4923 return -EOPNOTSUPP; 4924 4925 if (!peer) 4926 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 4927 4928 sta = sta_info_get_bss(sdata, peer); 4929 if (!sta) 4930 return -ENOENT; 4931 4932 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 4933 } 4934 4935 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 4936 struct cfg80211_sar_specs *sar) 4937 { 4938 struct ieee80211_local *local = wiphy_priv(wiphy); 4939 4940 if (!local->ops->set_sar_specs) 4941 return -EOPNOTSUPP; 4942 4943 return local->ops->set_sar_specs(&local->hw, sar); 4944 } 4945 4946 static int 4947 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link, 4948 u64 *changed) 4949 { 4950 struct ieee80211_sub_if_data *sdata = link->sdata; 4951 4952 switch (sdata->vif.type) { 4953 case NL80211_IFTYPE_AP: { 4954 int ret; 4955 4956 if (!link->u.ap.next_beacon) 4957 return -EINVAL; 4958 4959 ret = ieee80211_assign_beacon(sdata, link, 4960 link->u.ap.next_beacon, 4961 NULL, NULL, changed); 4962 ieee80211_free_next_beacon(link); 4963 4964 if (ret < 0) 4965 return ret; 4966 4967 break; 4968 } 4969 default: 4970 WARN_ON_ONCE(1); 4971 return -EINVAL; 4972 } 4973 4974 return 0; 4975 } 4976 4977 static int 4978 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link, 4979 struct cfg80211_color_change_settings *params, 4980 u64 *changed) 4981 { 4982 struct ieee80211_sub_if_data *sdata = link->sdata; 4983 struct ieee80211_color_change_settings color_change = {}; 4984 int err; 4985 4986 switch (sdata->vif.type) { 4987 case NL80211_IFTYPE_AP: 4988 link->u.ap.next_beacon = 4989 cfg80211_beacon_dup(¶ms->beacon_next); 4990 if (!link->u.ap.next_beacon) 4991 return -ENOMEM; 4992 4993 if (params->count <= 1) 4994 break; 4995 4996 color_change.counter_offset_beacon = 4997 params->counter_offset_beacon; 4998 color_change.counter_offset_presp = 4999 params->counter_offset_presp; 5000 color_change.count = params->count; 5001 5002 err = ieee80211_assign_beacon(sdata, link, 5003 ¶ms->beacon_color_change, 5004 NULL, &color_change, changed); 5005 if (err < 0) { 5006 ieee80211_free_next_beacon(link); 5007 return err; 5008 } 5009 break; 5010 default: 5011 return -EOPNOTSUPP; 5012 } 5013 5014 return 0; 5015 } 5016 5017 static void 5018 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link, 5019 u8 color, int enable, u64 changed) 5020 { 5021 struct ieee80211_sub_if_data *sdata = link->sdata; 5022 5023 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5024 5025 link->conf->he_bss_color.color = color; 5026 link->conf->he_bss_color.enabled = enable; 5027 changed |= BSS_CHANGED_HE_BSS_COLOR; 5028 5029 ieee80211_link_info_change_notify(sdata, link, changed); 5030 5031 if (!link->conf->nontransmitted && 5032 rcu_access_pointer(link->conf->tx_bss_conf)) { 5033 struct ieee80211_link_data *tmp; 5034 5035 for_each_sdata_link(sdata->local, tmp) { 5036 if (tmp->sdata == sdata || 5037 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf) 5038 continue; 5039 5040 tmp->conf->he_bss_color.color = color; 5041 tmp->conf->he_bss_color.enabled = enable; 5042 ieee80211_link_info_change_notify(tmp->sdata, tmp, 5043 BSS_CHANGED_HE_BSS_COLOR); 5044 } 5045 } 5046 } 5047 5048 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link) 5049 { 5050 struct ieee80211_sub_if_data *sdata = link->sdata; 5051 struct ieee80211_local *local = sdata->local; 5052 u64 changed = 0; 5053 int err; 5054 5055 lockdep_assert_wiphy(local->hw.wiphy); 5056 5057 link->conf->color_change_active = false; 5058 5059 err = ieee80211_set_after_color_change_beacon(link, &changed); 5060 if (err) { 5061 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id); 5062 return err; 5063 } 5064 5065 ieee80211_color_change_bss_config_notify(link, 5066 link->conf->color_change_color, 5067 1, changed); 5068 cfg80211_color_change_notify(sdata->dev, link->link_id); 5069 5070 return 0; 5071 } 5072 5073 void ieee80211_color_change_finalize_work(struct wiphy *wiphy, 5074 struct wiphy_work *work) 5075 { 5076 struct ieee80211_link_data *link = 5077 container_of(work, struct ieee80211_link_data, 5078 color_change_finalize_work); 5079 struct ieee80211_sub_if_data *sdata = link->sdata; 5080 struct ieee80211_bss_conf *link_conf = link->conf; 5081 struct ieee80211_local *local = sdata->local; 5082 5083 lockdep_assert_wiphy(local->hw.wiphy); 5084 5085 /* AP might have been stopped while waiting for the lock. */ 5086 if (!link_conf->color_change_active) 5087 return; 5088 5089 if (!ieee80211_sdata_running(sdata)) 5090 return; 5091 5092 ieee80211_color_change_finalize(link); 5093 } 5094 5095 void ieee80211_color_collision_detection_work(struct wiphy *wiphy, 5096 struct wiphy_work *work) 5097 { 5098 struct ieee80211_link_data *link = 5099 container_of(work, struct ieee80211_link_data, 5100 color_collision_detect_work.work); 5101 struct ieee80211_sub_if_data *sdata = link->sdata; 5102 5103 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap, 5104 link->link_id); 5105 } 5106 5107 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id) 5108 { 5109 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5110 struct ieee80211_link_data *link; 5111 5112 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5113 return; 5114 5115 rcu_read_lock(); 5116 5117 link = rcu_dereference(sdata->link[link_id]); 5118 if (WARN_ON(!link)) { 5119 rcu_read_unlock(); 5120 return; 5121 } 5122 5123 wiphy_work_queue(sdata->local->hw.wiphy, 5124 &link->color_change_finalize_work); 5125 5126 rcu_read_unlock(); 5127 } 5128 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 5129 5130 void 5131 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 5132 u64 color_bitmap, u8 link_id) 5133 { 5134 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5135 struct ieee80211_link_data *link; 5136 5137 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5138 return; 5139 5140 rcu_read_lock(); 5141 5142 link = rcu_dereference(sdata->link[link_id]); 5143 if (WARN_ON(!link)) { 5144 rcu_read_unlock(); 5145 return; 5146 } 5147 5148 if (link->conf->color_change_active || link->conf->csa_active) { 5149 rcu_read_unlock(); 5150 return; 5151 } 5152 5153 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy, 5154 &link->color_collision_detect_work)) { 5155 rcu_read_unlock(); 5156 return; 5157 } 5158 5159 link->color_bitmap = color_bitmap; 5160 /* queue the color collision detection event every 500 ms in order to 5161 * avoid sending too much netlink messages to userspace. 5162 */ 5163 wiphy_delayed_work_queue(sdata->local->hw.wiphy, 5164 &link->color_collision_detect_work, 5165 msecs_to_jiffies(500)); 5166 5167 rcu_read_unlock(); 5168 } 5169 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify); 5170 5171 static int 5172 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 5173 struct cfg80211_color_change_settings *params) 5174 { 5175 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5176 struct ieee80211_local *local = sdata->local; 5177 struct ieee80211_bss_conf *link_conf; 5178 struct ieee80211_link_data *link; 5179 u8 link_id = params->link_id; 5180 u64 changed = 0; 5181 int err; 5182 5183 lockdep_assert_wiphy(local->hw.wiphy); 5184 5185 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5186 return -EINVAL; 5187 5188 link = wiphy_dereference(wiphy, sdata->link[link_id]); 5189 if (!link) 5190 return -ENOLINK; 5191 5192 link_conf = link->conf; 5193 5194 if (link_conf->nontransmitted) 5195 return -EINVAL; 5196 5197 /* don't allow another color change if one is already active or if csa 5198 * is active 5199 */ 5200 if (link_conf->color_change_active || link_conf->csa_active) { 5201 err = -EBUSY; 5202 goto out; 5203 } 5204 5205 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 5206 ¶ms->unsol_bcast_probe_resp, 5207 link, link_conf, &changed); 5208 if (err) 5209 goto out; 5210 5211 err = ieee80211_set_color_change_beacon(link, params, &changed); 5212 if (err) 5213 goto out; 5214 5215 link_conf->color_change_active = true; 5216 link_conf->color_change_color = params->color; 5217 5218 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id); 5219 5220 if (changed) 5221 ieee80211_color_change_bss_config_notify(link, 0, 0, changed); 5222 else 5223 /* if the beacon didn't change, we can finalize immediately */ 5224 ieee80211_color_change_finalize(link); 5225 5226 out: 5227 5228 return err; 5229 } 5230 5231 static int 5232 ieee80211_set_radar_background(struct wiphy *wiphy, 5233 struct cfg80211_chan_def *chandef) 5234 { 5235 struct ieee80211_local *local = wiphy_priv(wiphy); 5236 5237 if (!local->ops->set_radar_background) 5238 return -EOPNOTSUPP; 5239 5240 return local->ops->set_radar_background(&local->hw, chandef); 5241 } 5242 5243 static int ieee80211_add_intf_link(struct wiphy *wiphy, 5244 struct wireless_dev *wdev, 5245 unsigned int link_id) 5246 { 5247 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5248 5249 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5250 5251 if (wdev->use_4addr) 5252 return -EOPNOTSUPP; 5253 5254 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0); 5255 } 5256 5257 static void ieee80211_del_intf_link(struct wiphy *wiphy, 5258 struct wireless_dev *wdev, 5259 unsigned int link_id) 5260 { 5261 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5262 u16 new_links = wdev->valid_links & ~BIT(link_id); 5263 5264 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5265 5266 /* During the link teardown process, certain functions require the 5267 * link_id to remain in the valid_links bitmap. Therefore, instead 5268 * of removing the link_id from the bitmap, pass a masked value to 5269 * simulate as if link_id does not exist anymore. 5270 */ 5271 ieee80211_vif_set_links(sdata, new_links, 0); 5272 } 5273 5274 static int 5275 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 5276 struct link_station_parameters *params) 5277 { 5278 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5279 struct ieee80211_local *local = wiphy_priv(wiphy); 5280 struct sta_info *sta; 5281 int ret; 5282 5283 lockdep_assert_wiphy(local->hw.wiphy); 5284 5285 sta = sta_info_get_bss(sdata, params->mld_mac); 5286 if (!sta) 5287 return -ENOENT; 5288 5289 if (!sta->sta.valid_links) 5290 return -EINVAL; 5291 5292 if (sta->sta.valid_links & BIT(params->link_id)) 5293 return -EALREADY; 5294 5295 ret = ieee80211_sta_allocate_link(sta, params->link_id); 5296 if (ret) 5297 return ret; 5298 5299 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params); 5300 if (ret) { 5301 ieee80211_sta_free_link(sta, params->link_id); 5302 return ret; 5303 } 5304 5305 if (test_sta_flag(sta, WLAN_STA_ASSOC)) { 5306 struct link_sta_info *link_sta; 5307 5308 link_sta = sdata_dereference(sta->link[params->link_id], sdata); 5309 rate_control_rate_init(link_sta); 5310 } 5311 5312 /* ieee80211_sta_activate_link frees the link upon failure */ 5313 return ieee80211_sta_activate_link(sta, params->link_id); 5314 } 5315 5316 static int 5317 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 5318 struct link_station_parameters *params) 5319 { 5320 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5321 struct ieee80211_local *local = wiphy_priv(wiphy); 5322 struct sta_info *sta; 5323 5324 lockdep_assert_wiphy(local->hw.wiphy); 5325 5326 sta = sta_info_get_bss(sdata, params->mld_mac); 5327 if (!sta) 5328 return -ENOENT; 5329 5330 if (!(sta->sta.valid_links & BIT(params->link_id))) 5331 return -EINVAL; 5332 5333 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY, 5334 params); 5335 } 5336 5337 static int 5338 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 5339 struct link_station_del_parameters *params) 5340 { 5341 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5342 struct sta_info *sta; 5343 5344 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5345 5346 sta = sta_info_get_bss(sdata, params->mld_mac); 5347 if (!sta) 5348 return -ENOENT; 5349 5350 if (!(sta->sta.valid_links & BIT(params->link_id))) 5351 return -EINVAL; 5352 5353 /* must not create a STA without links */ 5354 if (sta->sta.valid_links == BIT(params->link_id)) 5355 return -EINVAL; 5356 5357 ieee80211_sta_remove_link(sta, params->link_id); 5358 5359 return 0; 5360 } 5361 5362 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy, 5363 struct net_device *dev, 5364 struct cfg80211_set_hw_timestamp *hwts) 5365 { 5366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5367 struct ieee80211_local *local = sdata->local; 5368 5369 if (!local->ops->set_hw_timestamp) 5370 return -EOPNOTSUPP; 5371 5372 if (!check_sdata_in_driver(sdata)) 5373 return -EIO; 5374 5375 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts); 5376 } 5377 5378 static int 5379 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev, 5380 struct cfg80211_ttlm_params *params) 5381 { 5382 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5383 5384 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5385 5386 return ieee80211_req_neg_ttlm(sdata, params); 5387 } 5388 5389 static int 5390 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev, 5391 struct cfg80211_ml_reconf_req *req) 5392 { 5393 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5394 5395 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5396 5397 return ieee80211_mgd_assoc_ml_reconf(sdata, req); 5398 } 5399 5400 static int 5401 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable) 5402 { 5403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5404 5405 return ieee80211_mgd_set_epcs(sdata, enable); 5406 } 5407 5408 const struct cfg80211_ops mac80211_config_ops = { 5409 .add_virtual_intf = ieee80211_add_iface, 5410 .del_virtual_intf = ieee80211_del_iface, 5411 .change_virtual_intf = ieee80211_change_iface, 5412 .start_p2p_device = ieee80211_start_p2p_device, 5413 .stop_p2p_device = ieee80211_stop_p2p_device, 5414 .add_key = ieee80211_add_key, 5415 .del_key = ieee80211_del_key, 5416 .get_key = ieee80211_get_key, 5417 .set_default_key = ieee80211_config_default_key, 5418 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 5419 .set_default_beacon_key = ieee80211_config_default_beacon_key, 5420 .start_ap = ieee80211_start_ap, 5421 .change_beacon = ieee80211_change_beacon, 5422 .stop_ap = ieee80211_stop_ap, 5423 .add_station = ieee80211_add_station, 5424 .del_station = ieee80211_del_station, 5425 .change_station = ieee80211_change_station, 5426 .get_station = ieee80211_get_station, 5427 .dump_station = ieee80211_dump_station, 5428 .dump_survey = ieee80211_dump_survey, 5429 #ifdef CONFIG_MAC80211_MESH 5430 .add_mpath = ieee80211_add_mpath, 5431 .del_mpath = ieee80211_del_mpath, 5432 .change_mpath = ieee80211_change_mpath, 5433 .get_mpath = ieee80211_get_mpath, 5434 .dump_mpath = ieee80211_dump_mpath, 5435 .get_mpp = ieee80211_get_mpp, 5436 .dump_mpp = ieee80211_dump_mpp, 5437 .update_mesh_config = ieee80211_update_mesh_config, 5438 .get_mesh_config = ieee80211_get_mesh_config, 5439 .join_mesh = ieee80211_join_mesh, 5440 .leave_mesh = ieee80211_leave_mesh, 5441 #endif 5442 .join_ocb = ieee80211_join_ocb, 5443 .leave_ocb = ieee80211_leave_ocb, 5444 .change_bss = ieee80211_change_bss, 5445 .inform_bss = ieee80211_inform_bss, 5446 .set_txq_params = ieee80211_set_txq_params, 5447 .set_monitor_channel = ieee80211_set_monitor_channel, 5448 .suspend = ieee80211_suspend, 5449 .resume = ieee80211_resume, 5450 .scan = ieee80211_scan, 5451 .abort_scan = ieee80211_abort_scan, 5452 .sched_scan_start = ieee80211_sched_scan_start, 5453 .sched_scan_stop = ieee80211_sched_scan_stop, 5454 .auth = ieee80211_auth, 5455 .assoc = ieee80211_assoc, 5456 .deauth = ieee80211_deauth, 5457 .disassoc = ieee80211_disassoc, 5458 .join_ibss = ieee80211_join_ibss, 5459 .leave_ibss = ieee80211_leave_ibss, 5460 .set_mcast_rate = ieee80211_set_mcast_rate, 5461 .set_wiphy_params = ieee80211_set_wiphy_params, 5462 .set_tx_power = ieee80211_set_tx_power, 5463 .get_tx_power = ieee80211_get_tx_power, 5464 .rfkill_poll = ieee80211_rfkill_poll, 5465 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 5466 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 5467 .set_power_mgmt = ieee80211_set_power_mgmt, 5468 .set_bitrate_mask = ieee80211_set_bitrate_mask, 5469 .remain_on_channel = ieee80211_remain_on_channel, 5470 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 5471 .mgmt_tx = ieee80211_mgmt_tx, 5472 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 5473 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 5474 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 5475 .update_mgmt_frame_registrations = 5476 ieee80211_update_mgmt_frame_registrations, 5477 .set_antenna = ieee80211_set_antenna, 5478 .get_antenna = ieee80211_get_antenna, 5479 .set_rekey_data = ieee80211_set_rekey_data, 5480 .tdls_oper = ieee80211_tdls_oper, 5481 .tdls_mgmt = ieee80211_tdls_mgmt, 5482 .tdls_channel_switch = ieee80211_tdls_channel_switch, 5483 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 5484 .probe_client = ieee80211_probe_client, 5485 .set_noack_map = ieee80211_set_noack_map, 5486 #ifdef CONFIG_PM 5487 .set_wakeup = ieee80211_set_wakeup, 5488 #endif 5489 .get_channel = ieee80211_cfg_get_channel, 5490 .start_radar_detection = ieee80211_start_radar_detection, 5491 .end_cac = ieee80211_end_cac, 5492 .channel_switch = ieee80211_channel_switch, 5493 .set_qos_map = ieee80211_set_qos_map, 5494 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 5495 .add_tx_ts = ieee80211_add_tx_ts, 5496 .del_tx_ts = ieee80211_del_tx_ts, 5497 .start_nan = ieee80211_start_nan, 5498 .stop_nan = ieee80211_stop_nan, 5499 .nan_change_conf = ieee80211_nan_change_conf, 5500 .add_nan_func = ieee80211_add_nan_func, 5501 .del_nan_func = ieee80211_del_nan_func, 5502 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 5503 .tx_control_port = ieee80211_tx_control_port, 5504 .get_txq_stats = ieee80211_get_txq_stats, 5505 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 5506 .start_pmsr = ieee80211_start_pmsr, 5507 .abort_pmsr = ieee80211_abort_pmsr, 5508 .probe_mesh_link = ieee80211_probe_mesh_link, 5509 .set_tid_config = ieee80211_set_tid_config, 5510 .reset_tid_config = ieee80211_reset_tid_config, 5511 .set_sar_specs = ieee80211_set_sar_specs, 5512 .color_change = ieee80211_color_change, 5513 .set_radar_background = ieee80211_set_radar_background, 5514 .add_intf_link = ieee80211_add_intf_link, 5515 .del_intf_link = ieee80211_del_intf_link, 5516 .add_link_station = ieee80211_add_link_station, 5517 .mod_link_station = ieee80211_mod_link_station, 5518 .del_link_station = ieee80211_del_link_station, 5519 .set_hw_timestamp = ieee80211_set_hw_timestamp, 5520 .set_ttlm = ieee80211_set_ttlm, 5521 .get_radio_mask = ieee80211_get_radio_mask, 5522 .assoc_ml_reconf = ieee80211_assoc_ml_reconf, 5523 .set_epcs = ieee80211_set_epcs, 5524 }; 5525