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) 2018-2026 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 67 /* don't care about endianness - just check for 0 */ 68 memcpy(&membership, params->vht_mumimo_groups, 69 WLAN_MEMBERSHIP_LEN); 70 mu_mimo_groups = membership != 0; 71 72 /* Unset following if configured explicitly */ 73 eth_broadcast_addr(sdata->u.mntr.mu_follow_addr); 74 } 75 76 if (params->vht_mumimo_follow_addr) { 77 mu_mimo_follow = 78 is_valid_ether_addr(params->vht_mumimo_follow_addr); 79 ether_addr_copy(sdata->u.mntr.mu_follow_addr, 80 params->vht_mumimo_follow_addr); 81 82 /* Unset current membership until a management frame is RXed */ 83 memset(sdata->vif.bss_conf.mu_group.membership, 0, 84 WLAN_MEMBERSHIP_LEN); 85 } 86 87 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; 88 89 /* Notify only after setting mu_mimo_owner */ 90 if (sdata->vif.bss_conf.mu_mimo_owner && 91 sdata->flags & IEEE80211_SDATA_IN_DRIVER) 92 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 93 BSS_CHANGED_MU_GROUPS); 94 } 95 96 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, 97 struct vif_params *params) 98 { 99 struct ieee80211_local *local = sdata->local; 100 struct ieee80211_sub_if_data *monitor_sdata = NULL; 101 102 /* check flags first */ 103 if (params->flags && ieee80211_sdata_running(sdata)) { 104 u32 mask = MONITOR_FLAG_ACTIVE; 105 106 /* 107 * Prohibit MONITOR_FLAG_ACTIVE to be changed 108 * while the interface is up. 109 * Else we would need to add a lot of cruft 110 * to update everything: 111 * monitor and all fif_* counters 112 * reconfigure hardware 113 */ 114 if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) 115 return -EBUSY; 116 } 117 118 /* validate whether MU-MIMO can be configured */ 119 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) && 120 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR) && 121 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) 122 return -EOPNOTSUPP; 123 124 /* Also update dependent monitor_sdata if required */ 125 if (test_bit(SDATA_STATE_RUNNING, &sdata->state) && 126 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 127 monitor_sdata = wiphy_dereference(local->hw.wiphy, 128 local->monitor_sdata); 129 130 /* apply all changes now - no failures allowed */ 131 132 if (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 133 ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 134 /* This is copied in when the VIF is activated */ 135 ieee80211_set_mu_mimo_follow(sdata, params); 136 137 if (monitor_sdata) 138 ieee80211_set_mu_mimo_follow(monitor_sdata, params); 139 } 140 141 if (params->flags) { 142 if (ieee80211_sdata_running(sdata)) { 143 ieee80211_adjust_monitor_flags(sdata, -1); 144 sdata->u.mntr.flags = params->flags; 145 ieee80211_adjust_monitor_flags(sdata, 1); 146 147 ieee80211_configure_filter(local); 148 } else { 149 /* 150 * Because the interface is down, ieee80211_do_stop 151 * and ieee80211_do_open take care of "everything" 152 * mentioned in the comment above. 153 */ 154 sdata->u.mntr.flags = params->flags; 155 } 156 } 157 158 return 0; 159 } 160 161 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata, 162 struct cfg80211_mbssid_config *params, 163 struct ieee80211_bss_conf *link_conf) 164 { 165 struct ieee80211_sub_if_data *tx_sdata; 166 struct ieee80211_bss_conf *old; 167 168 link_conf->bssid_index = 0; 169 link_conf->nontransmitted = false; 170 link_conf->ema_ap = false; 171 link_conf->bssid_indicator = 0; 172 173 if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev) 174 return -EINVAL; 175 176 old = sdata_dereference(link_conf->tx_bss_conf, sdata); 177 if (old) 178 return -EALREADY; 179 180 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev); 181 if (!tx_sdata) 182 return -EINVAL; 183 184 if (tx_sdata == sdata) { 185 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf); 186 } else { 187 struct ieee80211_bss_conf *tx_bss_conf; 188 189 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id], 190 sdata); 191 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf) 192 return -EINVAL; 193 194 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf); 195 196 link_conf->nontransmitted = true; 197 link_conf->bssid_index = params->index; 198 link_conf->bssid_indicator = tx_bss_conf->bssid_indicator; 199 } 200 if (params->ema) 201 link_conf->ema_ap = true; 202 203 return 0; 204 } 205 206 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 207 const char *name, 208 unsigned char name_assign_type, 209 enum nl80211_iftype type, 210 struct vif_params *params) 211 { 212 struct ieee80211_local *local = wiphy_priv(wiphy); 213 struct wireless_dev *wdev; 214 struct ieee80211_sub_if_data *sdata; 215 int err; 216 217 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 218 if (err) 219 return ERR_PTR(err); 220 221 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 222 223 if (type == NL80211_IFTYPE_MONITOR) { 224 err = ieee80211_set_mon_options(sdata, params); 225 if (err) { 226 ieee80211_if_remove(sdata); 227 return NULL; 228 } 229 } 230 231 /* Let the driver know that an interface is going to be added. 232 * Indicate so only for interface types that will be added to the 233 * driver. 234 */ 235 switch (type) { 236 case NL80211_IFTYPE_AP_VLAN: 237 break; 238 case NL80211_IFTYPE_MONITOR: 239 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 240 !(params->flags & MONITOR_FLAG_ACTIVE)) 241 break; 242 fallthrough; 243 default: 244 drv_prep_add_interface(local, 245 ieee80211_vif_type_p2p(&sdata->vif)); 246 break; 247 } 248 249 return wdev; 250 } 251 252 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 253 { 254 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 255 256 return 0; 257 } 258 259 static int ieee80211_change_iface(struct wiphy *wiphy, 260 struct net_device *dev, 261 enum nl80211_iftype type, 262 struct vif_params *params) 263 { 264 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 265 struct ieee80211_local *local = sdata->local; 266 struct sta_info *sta; 267 int ret; 268 269 lockdep_assert_wiphy(local->hw.wiphy); 270 271 ret = ieee80211_if_change_type(sdata, type); 272 if (ret) 273 return ret; 274 275 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 276 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 277 ieee80211_check_fast_rx_iface(sdata); 278 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 279 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 280 281 if (params->use_4addr == ifmgd->use_4addr) 282 return 0; 283 284 sdata->u.mgd.use_4addr = params->use_4addr; 285 if (!ifmgd->associated) 286 return 0; 287 288 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); 289 if (sta) 290 drv_sta_set_4addr(local, sdata, &sta->sta, 291 params->use_4addr); 292 293 if (params->use_4addr) 294 ieee80211_send_4addr_nullfunc(local, sdata); 295 } 296 297 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 298 ret = ieee80211_set_mon_options(sdata, params); 299 if (ret) 300 return ret; 301 } 302 303 return 0; 304 } 305 306 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 307 struct wireless_dev *wdev) 308 { 309 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 310 int ret; 311 312 lockdep_assert_wiphy(sdata->local->hw.wiphy); 313 314 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 315 if (ret < 0) 316 return ret; 317 318 return ieee80211_do_open(wdev, true); 319 } 320 321 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 322 struct wireless_dev *wdev) 323 { 324 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 325 } 326 327 static void ieee80211_nan_conf_free(struct cfg80211_nan_conf *conf) 328 { 329 kfree(conf->extra_nan_attrs); 330 kfree(conf->vendor_elems); 331 memset(conf, 0, sizeof(*conf)); 332 } 333 334 static void ieee80211_stop_nan(struct wiphy *wiphy, 335 struct wireless_dev *wdev) 336 { 337 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 338 339 if (!sdata->u.nan.started) 340 return; 341 342 drv_stop_nan(sdata->local, sdata); 343 sdata->u.nan.started = false; 344 345 ieee80211_nan_conf_free(&sdata->u.nan.conf); 346 347 ieee80211_sdata_stop(sdata); 348 ieee80211_recalc_idle(sdata->local); 349 } 350 351 static int ieee80211_nan_conf_copy(struct cfg80211_nan_conf *dst, 352 struct cfg80211_nan_conf *src, 353 u32 changes) 354 { 355 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 356 dst->master_pref = src->master_pref; 357 358 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 359 dst->bands = src->bands; 360 361 if (changes & CFG80211_NAN_CONF_CHANGED_CONFIG) { 362 dst->scan_period = src->scan_period; 363 dst->scan_dwell_time = src->scan_dwell_time; 364 dst->discovery_beacon_interval = 365 src->discovery_beacon_interval; 366 dst->enable_dw_notification = src->enable_dw_notification; 367 memcpy(&dst->band_cfgs, &src->band_cfgs, 368 sizeof(dst->band_cfgs)); 369 370 kfree(dst->extra_nan_attrs); 371 dst->extra_nan_attrs = NULL; 372 dst->extra_nan_attrs_len = 0; 373 374 kfree(dst->vendor_elems); 375 dst->vendor_elems = NULL; 376 dst->vendor_elems_len = 0; 377 378 if (is_zero_ether_addr(dst->cluster_id)) 379 ether_addr_copy(dst->cluster_id, src->cluster_id); 380 381 if (src->extra_nan_attrs && src->extra_nan_attrs_len) { 382 dst->extra_nan_attrs = kmemdup(src->extra_nan_attrs, 383 src->extra_nan_attrs_len, 384 GFP_KERNEL); 385 if (!dst->extra_nan_attrs) 386 goto no_mem; 387 388 dst->extra_nan_attrs_len = src->extra_nan_attrs_len; 389 } 390 391 if (src->vendor_elems && src->vendor_elems_len) { 392 dst->vendor_elems = kmemdup(src->vendor_elems, 393 src->vendor_elems_len, 394 GFP_KERNEL); 395 if (!dst->vendor_elems) 396 goto no_mem; 397 398 dst->vendor_elems_len = src->vendor_elems_len; 399 } 400 } 401 402 return 0; 403 404 no_mem: 405 ieee80211_nan_conf_free(dst); 406 return -ENOMEM; 407 } 408 409 static int ieee80211_start_nan(struct wiphy *wiphy, 410 struct wireless_dev *wdev, 411 struct cfg80211_nan_conf *conf) 412 { 413 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 414 int ret; 415 416 lockdep_assert_wiphy(sdata->local->hw.wiphy); 417 418 if (sdata->u.nan.started) 419 return -EALREADY; 420 421 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 422 if (ret < 0) 423 return ret; 424 425 ret = ieee80211_do_open(wdev, true); 426 if (ret) 427 return ret; 428 429 ret = drv_start_nan(sdata->local, sdata, conf); 430 if (ret) { 431 ieee80211_sdata_stop(sdata); 432 return ret; 433 } 434 435 sdata->u.nan.started = true; 436 ieee80211_recalc_idle(sdata->local); 437 438 ret = ieee80211_nan_conf_copy(&sdata->u.nan.conf, conf, 0xFFFFFFFF); 439 if (ret) { 440 ieee80211_stop_nan(wiphy, wdev); 441 return ret; 442 } 443 444 return 0; 445 } 446 447 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 448 struct wireless_dev *wdev, 449 struct cfg80211_nan_conf *conf, 450 u32 changes) 451 { 452 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 453 struct cfg80211_nan_conf new_conf = {}; 454 int ret = 0; 455 456 if (sdata->vif.type != NL80211_IFTYPE_NAN) 457 return -EOPNOTSUPP; 458 459 if (!ieee80211_sdata_running(sdata)) 460 return -ENETDOWN; 461 462 if (!changes) 463 return 0; 464 465 /* First make a full copy of the previous configuration and then apply 466 * the changes. This might be a little wasteful, but it is simpler. 467 */ 468 ret = ieee80211_nan_conf_copy(&new_conf, &sdata->u.nan.conf, 469 0xFFFFFFFF); 470 if (ret < 0) 471 return ret; 472 473 ret = ieee80211_nan_conf_copy(&new_conf, conf, changes); 474 if (ret < 0) 475 return ret; 476 477 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 478 if (ret) { 479 ieee80211_nan_conf_free(&new_conf); 480 } else { 481 ieee80211_nan_conf_free(&sdata->u.nan.conf); 482 sdata->u.nan.conf = new_conf; 483 } 484 485 return ret; 486 } 487 488 static int ieee80211_add_nan_func(struct wiphy *wiphy, 489 struct wireless_dev *wdev, 490 struct cfg80211_nan_func *nan_func) 491 { 492 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 493 int ret; 494 495 if (sdata->vif.type != NL80211_IFTYPE_NAN) 496 return -EOPNOTSUPP; 497 498 if (!ieee80211_sdata_running(sdata)) 499 return -ENETDOWN; 500 501 if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE)) 502 return -EOPNOTSUPP; 503 504 spin_lock_bh(&sdata->u.nan.de.func_lock); 505 506 ret = idr_alloc(&sdata->u.nan.de.function_inst_ids, 507 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 508 GFP_ATOMIC); 509 spin_unlock_bh(&sdata->u.nan.de.func_lock); 510 511 if (ret < 0) 512 return ret; 513 514 nan_func->instance_id = ret; 515 516 WARN_ON(nan_func->instance_id == 0); 517 518 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 519 if (ret) { 520 spin_lock_bh(&sdata->u.nan.de.func_lock); 521 idr_remove(&sdata->u.nan.de.function_inst_ids, 522 nan_func->instance_id); 523 spin_unlock_bh(&sdata->u.nan.de.func_lock); 524 } 525 526 return ret; 527 } 528 529 static struct cfg80211_nan_func * 530 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 531 u64 cookie) 532 { 533 struct cfg80211_nan_func *func; 534 int id; 535 536 lockdep_assert_held(&sdata->u.nan.de.func_lock); 537 538 idr_for_each_entry(&sdata->u.nan.de.function_inst_ids, func, id) { 539 if (func->cookie == cookie) 540 return func; 541 } 542 543 return NULL; 544 } 545 546 static void ieee80211_del_nan_func(struct wiphy *wiphy, 547 struct wireless_dev *wdev, u64 cookie) 548 { 549 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 550 struct cfg80211_nan_func *func; 551 u8 instance_id = 0; 552 553 if (sdata->vif.type != NL80211_IFTYPE_NAN || 554 !ieee80211_sdata_running(sdata)) 555 return; 556 557 if (WARN_ON(wiphy->nan_capa.flags & WIPHY_NAN_FLAGS_USERSPACE_DE)) 558 return; 559 560 spin_lock_bh(&sdata->u.nan.de.func_lock); 561 562 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 563 if (func) 564 instance_id = func->instance_id; 565 566 spin_unlock_bh(&sdata->u.nan.de.func_lock); 567 568 if (instance_id) 569 drv_del_nan_func(sdata->local, sdata, instance_id); 570 } 571 572 static int ieee80211_set_noack_map(struct wiphy *wiphy, 573 struct net_device *dev, 574 u16 noack_map) 575 { 576 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 577 578 sdata->noack_map = noack_map; 579 580 ieee80211_check_fast_xmit_iface(sdata); 581 582 return 0; 583 } 584 585 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 586 const u8 *mac_addr, u8 key_idx) 587 { 588 struct ieee80211_local *local = sdata->local; 589 struct ieee80211_key *key; 590 struct sta_info *sta; 591 int ret = -EINVAL; 592 593 if (!wiphy_ext_feature_isset(local->hw.wiphy, 594 NL80211_EXT_FEATURE_EXT_KEY_ID)) 595 return -EINVAL; 596 597 sta = sta_info_get_bss(sdata, mac_addr); 598 599 if (!sta) 600 return -EINVAL; 601 602 if (sta->ptk_idx == key_idx) 603 return 0; 604 605 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]); 606 607 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 608 ret = ieee80211_set_tx_key(key); 609 610 return ret; 611 } 612 613 static int ieee80211_add_key(struct wiphy *wiphy, struct wireless_dev *wdev, 614 int link_id, u8 key_idx, bool pairwise, 615 const u8 *mac_addr, struct key_params *params) 616 { 617 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 618 struct ieee80211_link_data *link = 619 ieee80211_link_or_deflink(sdata, link_id, false); 620 struct ieee80211_local *local = sdata->local; 621 struct sta_info *sta = NULL; 622 struct ieee80211_key *key; 623 int err; 624 625 lockdep_assert_wiphy(local->hw.wiphy); 626 627 if (!ieee80211_sdata_running(sdata)) 628 return -ENETDOWN; 629 630 if (IS_ERR(link)) 631 return PTR_ERR(link); 632 633 if (WARN_ON(pairwise && link_id >= 0)) 634 return -EINVAL; 635 636 if (pairwise && params->mode == NL80211_KEY_SET_TX) 637 return ieee80211_set_tx(sdata, mac_addr, key_idx); 638 639 /* reject WEP and TKIP keys if WEP failed to initialize */ 640 switch (params->cipher) { 641 case WLAN_CIPHER_SUITE_WEP40: 642 case WLAN_CIPHER_SUITE_TKIP: 643 case WLAN_CIPHER_SUITE_WEP104: 644 if (link_id >= 0) 645 return -EINVAL; 646 if (WARN_ON_ONCE(fips_enabled)) 647 return -EINVAL; 648 break; 649 default: 650 break; 651 } 652 653 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 654 params->key, params->seq_len, params->seq); 655 if (IS_ERR(key)) 656 return PTR_ERR(key); 657 658 if (pairwise) { 659 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 660 key->conf.link_id = -1; 661 } else { 662 key->conf.link_id = link->link_id; 663 } 664 665 if (params->mode == NL80211_KEY_NO_TX) 666 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 667 668 if (mac_addr) { 669 sta = sta_info_get_bss(sdata, mac_addr); 670 /* 671 * The ASSOC test makes sure the driver is ready to 672 * receive the key. When wpa_supplicant has roamed 673 * using FT, it attempts to set the key before 674 * association has completed, this rejects that attempt 675 * so it will set the key again after association. 676 * 677 * With (re)association frame encryption enabled, cfg80211 678 * may deliver keys to mac80211 before the station has 679 * associated. In that case, accept the key if the station 680 * is an Enhanced Privacy Protection (EPP) peer. 681 * If (re)association frame encryption support is not present, 682 * cfg80211 will not allow key installation in non‑AP STA mode. 683 * 684 * TODO: accept the key if we have a station entry and 685 * add it to the device after the station associates. 686 */ 687 if (!sta || (!sta->sta.epp_peer && 688 !test_sta_flag(sta, WLAN_STA_ASSOC))) { 689 ieee80211_key_free_unused(key); 690 return -ENOENT; 691 } 692 } 693 694 switch (sdata->vif.type) { 695 case NL80211_IFTYPE_STATION: 696 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 697 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 698 break; 699 case NL80211_IFTYPE_AP: 700 case NL80211_IFTYPE_AP_VLAN: 701 case NL80211_IFTYPE_NAN: 702 case NL80211_IFTYPE_NAN_DATA: 703 /* Keys without a station are used for TX only */ 704 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 705 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 706 break; 707 case NL80211_IFTYPE_ADHOC: 708 /* no MFP (yet) */ 709 break; 710 case NL80211_IFTYPE_MESH_POINT: 711 #ifdef CONFIG_MAC80211_MESH 712 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 713 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 714 break; 715 #endif 716 case NL80211_IFTYPE_WDS: 717 case NL80211_IFTYPE_MONITOR: 718 case NL80211_IFTYPE_P2P_DEVICE: 719 case NL80211_IFTYPE_PD: 720 case NL80211_IFTYPE_UNSPECIFIED: 721 case NUM_NL80211_IFTYPES: 722 case NL80211_IFTYPE_P2P_CLIENT: 723 case NL80211_IFTYPE_P2P_GO: 724 case NL80211_IFTYPE_OCB: 725 /* shouldn't happen */ 726 WARN_ON_ONCE(1); 727 break; 728 } 729 730 err = ieee80211_key_link(key, link, sta); 731 /* KRACK protection, shouldn't happen but just silently accept key */ 732 if (err == -EALREADY) 733 err = 0; 734 735 return err; 736 } 737 738 static struct ieee80211_key * 739 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id, 740 u8 key_idx, bool pairwise, const u8 *mac_addr) 741 { 742 struct ieee80211_local *local __maybe_unused = sdata->local; 743 struct ieee80211_link_data *link = &sdata->deflink; 744 struct ieee80211_key *key; 745 746 if (link_id >= 0) { 747 link = sdata_dereference(sdata->link[link_id], sdata); 748 if (!link) 749 return NULL; 750 } 751 752 if (mac_addr) { 753 struct sta_info *sta; 754 struct link_sta_info *link_sta; 755 756 sta = sta_info_get_bss(sdata, mac_addr); 757 if (!sta) 758 return NULL; 759 760 if (link_id >= 0) { 761 link_sta = rcu_dereference_check(sta->link[link_id], 762 lockdep_is_held(&local->hw.wiphy->mtx)); 763 if (!link_sta) 764 return NULL; 765 } else { 766 link_sta = &sta->deflink; 767 } 768 769 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 770 return wiphy_dereference(local->hw.wiphy, 771 sta->ptk[key_idx]); 772 773 if (!pairwise && 774 key_idx < NUM_DEFAULT_KEYS + 775 NUM_DEFAULT_MGMT_KEYS + 776 NUM_DEFAULT_BEACON_KEYS) 777 return wiphy_dereference(local->hw.wiphy, 778 link_sta->gtk[key_idx]); 779 780 return NULL; 781 } 782 783 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 784 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 785 786 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]); 787 if (key) 788 return key; 789 790 /* or maybe it was a WEP key */ 791 if (key_idx < NUM_DEFAULT_KEYS) 792 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 793 794 return NULL; 795 } 796 797 static int ieee80211_del_key(struct wiphy *wiphy, struct wireless_dev *wdev, 798 int link_id, u8 key_idx, bool pairwise, 799 const u8 *mac_addr) 800 { 801 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 802 struct ieee80211_local *local = sdata->local; 803 struct ieee80211_key *key; 804 805 lockdep_assert_wiphy(local->hw.wiphy); 806 807 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 808 if (!key) 809 return -ENOENT; 810 811 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 812 813 return 0; 814 } 815 816 static int ieee80211_get_key(struct wiphy *wiphy, struct wireless_dev *wdev, 817 int link_id, u8 key_idx, bool pairwise, 818 const u8 *mac_addr, void *cookie, 819 void (*callback)(void *cookie, 820 struct key_params *params)) 821 { 822 struct ieee80211_sub_if_data *sdata; 823 u8 seq[6] = {0}; 824 struct key_params params; 825 struct ieee80211_key *key; 826 u64 pn64; 827 u32 iv32; 828 u16 iv16; 829 int err = -ENOENT; 830 struct ieee80211_key_seq kseq = {}; 831 832 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 833 834 rcu_read_lock(); 835 836 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 837 if (!key) 838 goto out; 839 840 memset(¶ms, 0, sizeof(params)); 841 842 params.cipher = key->conf.cipher; 843 844 switch (key->conf.cipher) { 845 case WLAN_CIPHER_SUITE_TKIP: 846 pn64 = atomic64_read(&key->conf.tx_pn); 847 iv32 = TKIP_PN_TO_IV32(pn64); 848 iv16 = TKIP_PN_TO_IV16(pn64); 849 850 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 851 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 852 drv_get_key_seq(sdata->local, key, &kseq); 853 iv32 = kseq.tkip.iv32; 854 iv16 = kseq.tkip.iv16; 855 } 856 857 seq[0] = iv16 & 0xff; 858 seq[1] = (iv16 >> 8) & 0xff; 859 seq[2] = iv32 & 0xff; 860 seq[3] = (iv32 >> 8) & 0xff; 861 seq[4] = (iv32 >> 16) & 0xff; 862 seq[5] = (iv32 >> 24) & 0xff; 863 params.seq = seq; 864 params.seq_len = 6; 865 break; 866 case WLAN_CIPHER_SUITE_CCMP: 867 case WLAN_CIPHER_SUITE_CCMP_256: 868 case WLAN_CIPHER_SUITE_AES_CMAC: 869 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 870 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 871 offsetof(typeof(kseq), aes_cmac)); 872 fallthrough; 873 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 874 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 875 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 876 offsetof(typeof(kseq), aes_gmac)); 877 fallthrough; 878 case WLAN_CIPHER_SUITE_GCMP: 879 case WLAN_CIPHER_SUITE_GCMP_256: 880 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 881 offsetof(typeof(kseq), gcmp)); 882 883 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 884 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 885 drv_get_key_seq(sdata->local, key, &kseq); 886 memcpy(seq, kseq.ccmp.pn, 6); 887 } else { 888 pn64 = atomic64_read(&key->conf.tx_pn); 889 seq[0] = pn64; 890 seq[1] = pn64 >> 8; 891 seq[2] = pn64 >> 16; 892 seq[3] = pn64 >> 24; 893 seq[4] = pn64 >> 32; 894 seq[5] = pn64 >> 40; 895 } 896 params.seq = seq; 897 params.seq_len = 6; 898 break; 899 default: 900 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 901 break; 902 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 903 break; 904 drv_get_key_seq(sdata->local, key, &kseq); 905 params.seq = kseq.hw.seq; 906 params.seq_len = kseq.hw.seq_len; 907 break; 908 } 909 910 callback(cookie, ¶ms); 911 err = 0; 912 913 out: 914 rcu_read_unlock(); 915 return err; 916 } 917 918 static int ieee80211_config_default_key(struct wiphy *wiphy, 919 struct net_device *dev, 920 int link_id, u8 key_idx, bool uni, 921 bool multi) 922 { 923 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 924 struct ieee80211_link_data *link = 925 ieee80211_link_or_deflink(sdata, link_id, false); 926 927 if (IS_ERR(link)) 928 return PTR_ERR(link); 929 930 ieee80211_set_default_key(link, key_idx, uni, multi); 931 932 return 0; 933 } 934 935 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 936 struct wireless_dev *wdev, 937 int link_id, u8 key_idx) 938 { 939 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 940 struct ieee80211_link_data *link = 941 ieee80211_link_or_deflink(sdata, link_id, true); 942 943 if (IS_ERR(link)) 944 return PTR_ERR(link); 945 946 ieee80211_set_default_mgmt_key(link, key_idx); 947 948 return 0; 949 } 950 951 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 952 struct wireless_dev *wdev, 953 int link_id, u8 key_idx) 954 { 955 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 956 struct ieee80211_link_data *link = 957 ieee80211_link_or_deflink(sdata, link_id, true); 958 959 if (IS_ERR(link)) 960 return PTR_ERR(link); 961 962 ieee80211_set_default_beacon_key(link, key_idx); 963 964 return 0; 965 } 966 967 void sta_set_rate_info_tx(struct sta_info *sta, 968 const struct ieee80211_tx_rate *rate, 969 struct rate_info *rinfo) 970 { 971 rinfo->flags = 0; 972 if (rate->flags & IEEE80211_TX_RC_MCS) { 973 rinfo->flags |= RATE_INFO_FLAGS_MCS; 974 rinfo->mcs = rate->idx; 975 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 976 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 977 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 978 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 979 } else { 980 struct ieee80211_supported_band *sband; 981 982 sband = ieee80211_get_sband(sta->sdata); 983 WARN_ON_ONCE(sband && !sband->bitrates); 984 if (sband && sband->bitrates) 985 rinfo->legacy = sband->bitrates[rate->idx].bitrate; 986 } 987 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 988 rinfo->bw = RATE_INFO_BW_40; 989 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 990 rinfo->bw = RATE_INFO_BW_80; 991 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 992 rinfo->bw = RATE_INFO_BW_160; 993 else 994 rinfo->bw = RATE_INFO_BW_20; 995 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 996 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 997 } 998 999 static int ieee80211_dump_station(struct wiphy *wiphy, struct wireless_dev *wdev, 1000 int idx, u8 *mac, struct station_info *sinfo) 1001 { 1002 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 1003 struct ieee80211_local *local = sdata->local; 1004 struct sta_info *sta; 1005 int ret = -ENOENT; 1006 1007 lockdep_assert_wiphy(local->hw.wiphy); 1008 1009 sta = sta_info_get_by_idx(sdata, idx); 1010 if (sta) { 1011 ret = 0; 1012 memcpy(mac, sta->sta.addr, ETH_ALEN); 1013 sta_set_sinfo(sta, sinfo, true); 1014 1015 /* Add accumulated removed link data to sinfo data for 1016 * consistency for MLO 1017 */ 1018 if (sinfo->valid_links) 1019 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 1020 1021 } 1022 1023 return ret; 1024 } 1025 1026 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1027 int idx, struct survey_info *survey) 1028 { 1029 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1030 1031 return drv_get_survey(local, idx, survey); 1032 } 1033 1034 static int ieee80211_get_station(struct wiphy *wiphy, 1035 struct wireless_dev *wdev, 1036 const u8 *mac, struct station_info *sinfo) 1037 { 1038 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 1039 struct ieee80211_local *local = sdata->local; 1040 struct sta_info *sta; 1041 int ret = -ENOENT; 1042 1043 lockdep_assert_wiphy(local->hw.wiphy); 1044 1045 sta = sta_info_get_bss(sdata, mac); 1046 if (sta) { 1047 ret = 0; 1048 sta_set_sinfo(sta, sinfo, true); 1049 1050 /* Add accumulated removed link data to sinfo data for 1051 * consistency for MLO 1052 */ 1053 if (sinfo->valid_links) 1054 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 1055 } 1056 1057 return ret; 1058 } 1059 1060 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 1061 struct net_device *dev, 1062 struct cfg80211_chan_def *chandef) 1063 { 1064 struct ieee80211_local *local = wiphy_priv(wiphy); 1065 struct ieee80211_sub_if_data *sdata; 1066 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 1067 int ret; 1068 1069 lockdep_assert_wiphy(local->hw.wiphy); 1070 1071 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1072 if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 1073 if (cfg80211_chandef_identical(&local->monitor_chanreq.oper, 1074 &chanreq.oper)) 1075 return 0; 1076 1077 sdata = wiphy_dereference(wiphy, local->monitor_sdata); 1078 if (!sdata) 1079 goto done; 1080 } 1081 1082 if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) && 1083 cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper, 1084 &chanreq.oper)) 1085 return 0; 1086 1087 ieee80211_link_release_channel(&sdata->deflink); 1088 ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 1089 IEEE80211_CHANCTX_SHARED); 1090 if (ret) 1091 return ret; 1092 done: 1093 local->monitor_chanreq = chanreq; 1094 return 0; 1095 } 1096 1097 static int 1098 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 1099 const u8 *resp, size_t resp_len, 1100 const struct ieee80211_csa_settings *csa, 1101 const struct ieee80211_color_change_settings *cca, 1102 struct ieee80211_link_data *link) 1103 { 1104 struct probe_resp *new, *old; 1105 1106 if (!resp || !resp_len) 1107 return 1; 1108 1109 old = sdata_dereference(link->u.ap.probe_resp, sdata); 1110 1111 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 1112 if (!new) 1113 return -ENOMEM; 1114 1115 new->len = resp_len; 1116 memcpy(new->data, resp, resp_len); 1117 1118 if (csa) 1119 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 1120 csa->n_counter_offsets_presp * 1121 sizeof(new->cntdwn_counter_offsets[0])); 1122 else if (cca) 1123 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp; 1124 1125 rcu_assign_pointer(link->u.ap.probe_resp, new); 1126 if (old) 1127 kfree_rcu(old, rcu_head); 1128 1129 return 0; 1130 } 1131 1132 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 1133 struct cfg80211_fils_discovery *params, 1134 struct ieee80211_link_data *link, 1135 struct ieee80211_bss_conf *link_conf, 1136 u64 *changed) 1137 { 1138 struct fils_discovery_data *new, *old = NULL; 1139 struct ieee80211_fils_discovery *fd; 1140 1141 if (!params->update) 1142 return 0; 1143 1144 fd = &link_conf->fils_discovery; 1145 fd->min_interval = params->min_interval; 1146 fd->max_interval = params->max_interval; 1147 1148 old = sdata_dereference(link->u.ap.fils_discovery, sdata); 1149 if (params->tmpl && params->tmpl_len) { 1150 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1151 if (!new) 1152 return -ENOMEM; 1153 new->len = params->tmpl_len; 1154 memcpy(new->data, params->tmpl, params->tmpl_len); 1155 rcu_assign_pointer(link->u.ap.fils_discovery, new); 1156 } else { 1157 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1158 } 1159 1160 if (old) 1161 kfree_rcu(old, rcu_head); 1162 1163 *changed |= BSS_CHANGED_FILS_DISCOVERY; 1164 return 0; 1165 } 1166 1167 static int 1168 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 1169 struct cfg80211_unsol_bcast_probe_resp *params, 1170 struct ieee80211_link_data *link, 1171 struct ieee80211_bss_conf *link_conf, 1172 u64 *changed) 1173 { 1174 struct unsol_bcast_probe_resp_data *new, *old = NULL; 1175 1176 if (!params->update) 1177 return 0; 1178 1179 link_conf->unsol_bcast_probe_resp_interval = params->interval; 1180 1181 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); 1182 1183 if (params->tmpl && params->tmpl_len) { 1184 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1185 if (!new) 1186 return -ENOMEM; 1187 new->len = params->tmpl_len; 1188 memcpy(new->data, params->tmpl, params->tmpl_len); 1189 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new); 1190 } else { 1191 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1192 } 1193 1194 if (old) 1195 kfree_rcu(old, rcu_head); 1196 1197 *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1198 return 0; 1199 } 1200 1201 static int 1202 ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data *sdata, 1203 struct ieee80211_link_data *link, 1204 struct cfg80211_s1g_short_beacon *params) 1205 { 1206 struct s1g_short_beacon_data *new; 1207 struct s1g_short_beacon_data *old = 1208 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 1209 size_t new_len = 1210 sizeof(*new) + params->short_head_len + params->short_tail_len; 1211 1212 if (!params->update) 1213 return 0; 1214 1215 if (!params->short_head) 1216 return -EINVAL; 1217 1218 new = kzalloc(new_len, GFP_KERNEL); 1219 if (!new) 1220 return -ENOMEM; 1221 1222 /* Memory layout: | struct | head | tail | */ 1223 new->short_head = (u8 *)new + sizeof(*new); 1224 new->short_head_len = params->short_head_len; 1225 memcpy(new->short_head, params->short_head, params->short_head_len); 1226 1227 if (params->short_tail) { 1228 new->short_tail = new->short_head + params->short_head_len; 1229 new->short_tail_len = params->short_tail_len; 1230 memcpy(new->short_tail, params->short_tail, 1231 params->short_tail_len); 1232 } 1233 1234 rcu_assign_pointer(link->u.ap.s1g_short_beacon, new); 1235 1236 if (old) 1237 kfree_rcu(old, rcu_head); 1238 1239 return 0; 1240 } 1241 1242 static int ieee80211_set_ftm_responder_params( 1243 struct ieee80211_sub_if_data *sdata, 1244 const u8 *lci, size_t lci_len, 1245 const u8 *civicloc, size_t civicloc_len, 1246 struct ieee80211_bss_conf *link_conf) 1247 { 1248 struct ieee80211_ftm_responder_params *new, *old; 1249 u8 *pos; 1250 int len; 1251 1252 if (!lci_len && !civicloc_len) 1253 return 0; 1254 1255 old = link_conf->ftmr_params; 1256 len = lci_len + civicloc_len; 1257 1258 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 1259 if (!new) 1260 return -ENOMEM; 1261 1262 pos = (u8 *)(new + 1); 1263 if (lci_len) { 1264 new->lci_len = lci_len; 1265 new->lci = pos; 1266 memcpy(pos, lci, lci_len); 1267 pos += lci_len; 1268 } 1269 1270 if (civicloc_len) { 1271 new->civicloc_len = civicloc_len; 1272 new->civicloc = pos; 1273 memcpy(pos, civicloc, civicloc_len); 1274 pos += civicloc_len; 1275 } 1276 1277 link_conf->ftmr_params = new; 1278 kfree(old); 1279 1280 return 0; 1281 } 1282 1283 static int 1284 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst, 1285 struct cfg80211_mbssid_elems *src) 1286 { 1287 int i, offset = 0; 1288 1289 dst->cnt = src->cnt; 1290 for (i = 0; i < src->cnt; i++) { 1291 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1292 dst->elem[i].len = src->elem[i].len; 1293 dst->elem[i].data = pos + offset; 1294 offset += dst->elem[i].len; 1295 } 1296 1297 return offset; 1298 } 1299 1300 static int 1301 ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst, 1302 struct cfg80211_rnr_elems *src) 1303 { 1304 int i, offset = 0; 1305 1306 dst->cnt = src->cnt; 1307 for (i = 0; i < src->cnt; i++) { 1308 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1309 dst->elem[i].len = src->elem[i].len; 1310 dst->elem[i].data = pos + offset; 1311 offset += dst->elem[i].len; 1312 } 1313 1314 return offset; 1315 } 1316 1317 static enum ieee80211_sta_rx_bandwidth 1318 ieee80211_calc_ap_he_and_lower(struct cfg80211_beacon_data *params) 1319 { 1320 const struct ieee80211_vht_operation *vht_oper = params->vht_oper; 1321 int ccfs0, ccfs1; 1322 1323 if (params->he_oper) { 1324 const struct ieee80211_he_6ghz_oper *he_6ghz_oper; 1325 1326 if (params->he_oper->he_oper_params & 1327 cpu_to_le32(IEEE80211_HE_OPERATION_VHT_OPER_INFO)) 1328 vht_oper = (void *)params->he_oper->optional; 1329 1330 he_6ghz_oper = ieee80211_he_6ghz_oper(params->he_oper); 1331 if (he_6ghz_oper) { 1332 switch (u8_get_bits(he_6ghz_oper->control, 1333 IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) { 1334 case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ: 1335 return IEEE80211_STA_RX_BW_20; 1336 case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ: 1337 return IEEE80211_STA_RX_BW_40; 1338 case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ: 1339 return IEEE80211_STA_RX_BW_80; 1340 case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ: 1341 return IEEE80211_STA_RX_BW_160; 1342 } 1343 } 1344 } 1345 1346 if (vht_oper) { 1347 switch (vht_oper->chan_width) { 1348 case IEEE80211_VHT_CHANWIDTH_USE_HT: 1349 /* check for HT (or fall down to 20) below */ 1350 break; 1351 case IEEE80211_VHT_CHANWIDTH_160MHZ: 1352 case IEEE80211_VHT_CHANWIDTH_80P80MHZ: 1353 /* deprecated encodings */ 1354 return IEEE80211_STA_RX_BW_160; 1355 case IEEE80211_VHT_CHANWIDTH_80MHZ: 1356 /* 1357 * See IEEE 802.11-2020 Table 9-352-BSS bandwidth 1358 * when the VHT Operation Information field Channel 1359 * Width subfield is 1 1360 * 1361 * (IEEE80211_VHT_CHANWIDTH_80MHZ == 1) 1362 */ 1363 ccfs0 = vht_oper->center_freq_seg0_idx; 1364 ccfs1 = vht_oper->center_freq_seg1_idx; 1365 if (!ccfs0) 1366 return IEEE80211_STA_RX_BW_80; 1367 if (ccfs1 && abs(ccfs1 - ccfs0) == 8) 1368 return IEEE80211_STA_RX_BW_160; 1369 /* 80+80 - RX BW doesn't cover that / uses 160 */ 1370 if (ccfs1 && abs(ccfs1 - ccfs0) > 16) 1371 return IEEE80211_STA_RX_BW_160; 1372 fallthrough; 1373 default: 1374 /* reserved encoding - assume 80 */ 1375 return IEEE80211_STA_RX_BW_80; 1376 } 1377 } 1378 1379 if (params->ht_oper) { 1380 switch (u8_get_bits(params->ht_oper->ht_param, 1381 IEEE80211_HT_PARAM_CHA_SEC_OFFSET)) { 1382 case IEEE80211_HT_PARAM_CHA_SEC_NONE: 1383 default: /* invalid values */ 1384 return IEEE80211_STA_RX_BW_20; 1385 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: 1386 case IEEE80211_HT_PARAM_CHA_SEC_BELOW: 1387 return IEEE80211_STA_RX_BW_40; 1388 } 1389 } 1390 1391 /* nothing found, must be 20 MHz */ 1392 return IEEE80211_STA_RX_BW_20; 1393 } 1394 1395 static enum ieee80211_sta_rx_bandwidth 1396 ieee80211_calc_ap_eht_bw(struct cfg80211_beacon_data *params, 1397 enum ieee80211_sta_rx_bandwidth he_and_lower) 1398 { 1399 const struct ieee80211_eht_operation_info *info; 1400 1401 if (!params->eht_oper) 1402 return he_and_lower; 1403 1404 info = ieee80211_eht_oper_info(params->eht_oper); 1405 if (!info) 1406 return he_and_lower; 1407 1408 switch (u8_get_bits(info->control, IEEE80211_EHT_OPER_CHAN_WIDTH)) { 1409 case IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ: 1410 return IEEE80211_STA_RX_BW_20; 1411 case IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ: 1412 return IEEE80211_STA_RX_BW_40; 1413 case IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ: 1414 return IEEE80211_STA_RX_BW_80; 1415 case IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ: 1416 return IEEE80211_STA_RX_BW_160; 1417 case IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ: 1418 return IEEE80211_STA_RX_BW_320; 1419 } 1420 1421 /* invalid setting, assume 20 MHz */ 1422 return IEEE80211_STA_RX_BW_20; 1423 } 1424 1425 static void ieee80211_update_ap_bandwidth(struct ieee80211_link_data *link, 1426 struct cfg80211_beacon_data *params) 1427 { 1428 struct ieee80211_local *local = link->sdata->local; 1429 struct ieee80211_chanctx_conf *chanctx_conf; 1430 struct ieee80211_chanctx *chanctx; 1431 1432 /* 1433 * Updating the beacon might, without even changing the channel, cause 1434 * the usable bandwidth for some stations to be changed, for example 1435 * if the beacon configuration is EHT with 160 MHz, HE could change 1436 * between 20, 40, 80 and 160 MHz, and HE (or lower) clients need to 1437 * be handled accordingly. 1438 * Calculate the HE and lower bandwidth and apply that to all stations. 1439 * 1440 * In the future, this also needs to calculate EHT bandwidth and apply 1441 * it to all stations not using UHR DBE, since the chandef would then 1442 * include DBE. 1443 */ 1444 1445 if (link->conf->chanreq.oper.chan->band == NL80211_BAND_S1GHZ) 1446 return; 1447 1448 link->bss_bw.he_and_lower = ieee80211_calc_ap_he_and_lower(params); 1449 link->bss_bw.eht = ieee80211_calc_ap_eht_bw(params, 1450 link->bss_bw.he_and_lower); 1451 1452 chanctx_conf = sdata_dereference(link->conf->chanctx_conf, link->sdata); 1453 chanctx = container_of(chanctx_conf, struct ieee80211_chanctx, conf); 1454 1455 /* 1456 * Note: this relies on ieee80211_recalc_chanctx_min_def() having 1457 * the side effect of updating all stations, if they changed; that 1458 * was normally for when the chandef changed but is used here too. 1459 */ 1460 ieee80211_recalc_chanctx_min_def(local, chanctx); 1461 } 1462 1463 static int 1464 ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 1465 struct ieee80211_link_data *link, 1466 struct cfg80211_beacon_data *params, 1467 const struct ieee80211_csa_settings *csa, 1468 const struct ieee80211_color_change_settings *cca, 1469 u64 *changed) 1470 { 1471 struct cfg80211_mbssid_elems *mbssid = NULL; 1472 struct cfg80211_rnr_elems *rnr = NULL; 1473 struct beacon_data *new, *old; 1474 int new_head_len, new_tail_len; 1475 int size, err; 1476 u64 _changed = BSS_CHANGED_BEACON; 1477 struct ieee80211_bss_conf *link_conf = link->conf; 1478 1479 old = sdata_dereference(link->u.ap.beacon, sdata); 1480 1481 /* Need to have a beacon head if we don't have one yet */ 1482 if (!params->head && !old) 1483 return -EINVAL; 1484 1485 /* new or old head? */ 1486 if (params->head) 1487 new_head_len = params->head_len; 1488 else 1489 new_head_len = old->head_len; 1490 1491 /* new or old tail? */ 1492 if (params->tail || !old) 1493 /* params->tail_len will be zero for !params->tail */ 1494 new_tail_len = params->tail_len; 1495 else 1496 new_tail_len = old->tail_len; 1497 1498 size = sizeof(*new) + new_head_len + new_tail_len; 1499 1500 if (params->mbssid_ies) { 1501 mbssid = params->mbssid_ies; 1502 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1503 if (params->rnr_ies) { 1504 rnr = params->rnr_ies; 1505 size += struct_size(new->rnr_ies, elem, rnr->cnt); 1506 } 1507 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr, 1508 mbssid->cnt); 1509 } 1510 1511 new = kzalloc(size, GFP_KERNEL); 1512 if (!new) 1513 return -ENOMEM; 1514 1515 /* start filling the new info now */ 1516 1517 /* 1518 * pointers go into the block we allocated, 1519 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies 1520 */ 1521 new->head = ((u8 *) new) + sizeof(*new); 1522 new->tail = new->head + new_head_len; 1523 new->head_len = new_head_len; 1524 new->tail_len = new_tail_len; 1525 /* copy in optional mbssid_ies */ 1526 if (mbssid) { 1527 u8 *pos = new->tail + new->tail_len; 1528 1529 new->mbssid_ies = (void *)pos; 1530 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1531 pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, 1532 mbssid); 1533 if (rnr) { 1534 new->rnr_ies = (void *)pos; 1535 pos += struct_size(new->rnr_ies, elem, rnr->cnt); 1536 ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr); 1537 } 1538 /* update bssid_indicator */ 1539 if (new->mbssid_ies->cnt && new->mbssid_ies->elem[0].len > 2) 1540 link_conf->bssid_indicator = 1541 *(new->mbssid_ies->elem[0].data + 2); 1542 else 1543 link_conf->bssid_indicator = 0; 1544 } 1545 1546 if (csa) { 1547 new->cntdwn_current_counter = csa->count; 1548 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1549 csa->n_counter_offsets_beacon * 1550 sizeof(new->cntdwn_counter_offsets[0])); 1551 } else if (cca) { 1552 new->cntdwn_current_counter = cca->count; 1553 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon; 1554 } 1555 1556 /* copy in head */ 1557 if (params->head) 1558 memcpy(new->head, params->head, new_head_len); 1559 else 1560 memcpy(new->head, old->head, new_head_len); 1561 1562 /* copy in optional tail */ 1563 if (params->tail) 1564 memcpy(new->tail, params->tail, new_tail_len); 1565 else 1566 if (old) 1567 memcpy(new->tail, old->tail, new_tail_len); 1568 1569 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1570 params->probe_resp_len, csa, cca, link); 1571 if (err < 0) { 1572 kfree(new); 1573 return err; 1574 } 1575 if (err == 0) 1576 _changed |= BSS_CHANGED_AP_PROBE_RESP; 1577 1578 if (params->ftm_responder != -1) { 1579 link_conf->ftm_responder = params->ftm_responder; 1580 err = ieee80211_set_ftm_responder_params(sdata, 1581 params->lci, 1582 params->lci_len, 1583 params->civicloc, 1584 params->civicloc_len, 1585 link_conf); 1586 1587 if (err < 0) { 1588 kfree(new); 1589 return err; 1590 } 1591 1592 _changed |= BSS_CHANGED_FTM_RESPONDER; 1593 } 1594 1595 rcu_assign_pointer(link->u.ap.beacon, new); 1596 sdata->u.ap.active = true; 1597 1598 if (old) 1599 kfree_rcu(old, rcu_head); 1600 1601 ieee80211_update_ap_bandwidth(link, params); 1602 1603 *changed |= _changed; 1604 return 0; 1605 } 1606 1607 static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata) 1608 { 1609 struct ieee80211_link_data *link; 1610 u8 link_id, num = 0; 1611 1612 if (sdata->vif.type != NL80211_IFTYPE_AP && 1613 sdata->vif.type != NL80211_IFTYPE_P2P_GO) 1614 return num; 1615 1616 /* non-MLO mode of operation also uses link_id 0 in sdata so it is 1617 * safe to directly proceed with the below loop 1618 */ 1619 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 1620 link = sdata_dereference(sdata->link[link_id], sdata); 1621 if (!link) 1622 continue; 1623 1624 if (sdata_dereference(link->u.ap.beacon, sdata)) 1625 num++; 1626 } 1627 1628 return num; 1629 } 1630 1631 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1632 struct cfg80211_ap_settings *params) 1633 { 1634 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1635 struct ieee80211_local *local = sdata->local; 1636 struct beacon_data *old; 1637 struct ieee80211_sub_if_data *vlan; 1638 u64 changed = BSS_CHANGED_BEACON_INT | 1639 BSS_CHANGED_BEACON_ENABLED | 1640 BSS_CHANGED_BEACON | 1641 BSS_CHANGED_P2P_PS | 1642 BSS_CHANGED_TXPOWER | 1643 BSS_CHANGED_TWT; 1644 int i, err; 1645 int prev_beacon_int; 1646 unsigned int link_id = params->beacon.link_id; 1647 struct ieee80211_link_data *link; 1648 struct ieee80211_bss_conf *link_conf; 1649 struct ieee80211_chan_req chanreq = { 1650 .oper = params->chandef, 1651 .require_npca = true, 1652 }; 1653 u64 tsf; 1654 1655 lockdep_assert_wiphy(local->hw.wiphy); 1656 1657 link = sdata_dereference(sdata->link[link_id], sdata); 1658 if (!link) 1659 return -ENOLINK; 1660 1661 link_conf = link->conf; 1662 1663 old = sdata_dereference(link->u.ap.beacon, sdata); 1664 if (old) 1665 return -EALREADY; 1666 1667 link->smps_mode = IEEE80211_SMPS_OFF; 1668 1669 link->needed_rx_chains = sdata->local->rx_chains; 1670 1671 prev_beacon_int = link_conf->beacon_int; 1672 link_conf->beacon_int = params->beacon_interval; 1673 1674 if (params->ht_cap) 1675 link_conf->ht_ldpc = 1676 params->ht_cap->cap_info & 1677 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING); 1678 1679 if (params->vht_cap) { 1680 link_conf->vht_ldpc = 1681 params->vht_cap->vht_cap_info & 1682 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC); 1683 link_conf->vht_su_beamformer = 1684 params->vht_cap->vht_cap_info & 1685 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); 1686 link_conf->vht_su_beamformee = 1687 params->vht_cap->vht_cap_info & 1688 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE); 1689 link_conf->vht_mu_beamformer = 1690 params->vht_cap->vht_cap_info & 1691 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 1692 link_conf->vht_mu_beamformee = 1693 params->vht_cap->vht_cap_info & 1694 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); 1695 } 1696 1697 if (params->he_cap && params->beacon.he_oper) { 1698 link_conf->he_support = true; 1699 link_conf->htc_trig_based_pkt_ext = 1700 le32_get_bits(params->beacon.he_oper->he_oper_params, 1701 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1702 link_conf->frame_time_rts_th = 1703 le32_get_bits(params->beacon.he_oper->he_oper_params, 1704 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1705 changed |= BSS_CHANGED_HE_OBSS_PD; 1706 1707 if (params->beacon.he_bss_color.enabled) 1708 changed |= BSS_CHANGED_HE_BSS_COLOR; 1709 } 1710 1711 if (params->he_cap) { 1712 link_conf->he_ldpc = 1713 params->he_cap->phy_cap_info[1] & 1714 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 1715 link_conf->he_su_beamformer = 1716 params->he_cap->phy_cap_info[3] & 1717 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 1718 link_conf->he_su_beamformee = 1719 params->he_cap->phy_cap_info[4] & 1720 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE; 1721 link_conf->he_mu_beamformer = 1722 params->he_cap->phy_cap_info[4] & 1723 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 1724 link_conf->he_full_ul_mumimo = 1725 params->he_cap->phy_cap_info[2] & 1726 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO; 1727 } 1728 1729 if (params->eht_cap) { 1730 if (!link_conf->he_support) 1731 return -EOPNOTSUPP; 1732 1733 link_conf->eht_support = true; 1734 1735 link_conf->eht_su_beamformer = 1736 params->eht_cap->fixed.phy_cap_info[0] & 1737 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER; 1738 link_conf->eht_su_beamformee = 1739 params->eht_cap->fixed.phy_cap_info[0] & 1740 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; 1741 link_conf->eht_mu_beamformer = 1742 params->eht_cap->fixed.phy_cap_info[7] & 1743 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | 1744 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ | 1745 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ); 1746 link_conf->eht_80mhz_full_bw_ul_mumimo = 1747 params->eht_cap->fixed.phy_cap_info[7] & 1748 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | 1749 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | 1750 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ); 1751 link_conf->eht_disable_mcs15 = 1752 u8_get_bits(params->beacon.eht_oper->params, 1753 IEEE80211_EHT_OPER_MCS15_DISABLE); 1754 } else { 1755 link_conf->eht_su_beamformer = false; 1756 link_conf->eht_su_beamformee = false; 1757 link_conf->eht_mu_beamformer = false; 1758 } 1759 1760 if (params->beacon.uhr_oper) { 1761 const struct ieee80211_uhr_npca_info *npca; 1762 struct ieee80211_bss_npca_params npca_params = {}; 1763 1764 if (!link_conf->eht_support) 1765 return -EOPNOTSUPP; 1766 1767 link_conf->uhr_support = true; 1768 1769 npca = ieee80211_uhr_npca_info(params->beacon.uhr_oper); 1770 if (!npca) { 1771 chanreq.oper.npca_chan = NULL; 1772 chanreq.oper.npca_punctured = 0; 1773 } else { 1774 npca_params.min_dur_thresh = 1775 le32_get_bits(npca->params, 1776 IEEE80211_UHR_NPCA_PARAMS_MIN_DUR_THRESH); 1777 npca_params.switch_delay = 1778 le32_get_bits(npca->params, 1779 IEEE80211_UHR_NPCA_PARAMS_SWITCH_DELAY); 1780 npca_params.switch_back_delay = 1781 le32_get_bits(npca->params, 1782 IEEE80211_UHR_NPCA_PARAMS_SWITCH_BACK_DELAY); 1783 npca_params.init_qsrc = 1784 le32_get_bits(npca->params, 1785 IEEE80211_UHR_NPCA_PARAMS_INIT_QSRC); 1786 npca_params.moplen = 1787 le32_get_bits(npca->params, 1788 IEEE80211_UHR_NPCA_PARAMS_MOPLEN); 1789 npca_params.enabled = true; 1790 } 1791 1792 if (memcmp(&npca_params, &link->conf->npca, 1793 sizeof(npca_params))) { 1794 link->conf->npca = npca_params; 1795 changed |= BSS_CHANGED_NPCA; 1796 } 1797 } 1798 1799 if (sdata->vif.type == NL80211_IFTYPE_AP && 1800 params->mbssid_config.tx_wdev) { 1801 err = ieee80211_set_ap_mbssid_options(sdata, 1802 ¶ms->mbssid_config, 1803 link_conf); 1804 if (err) 1805 return err; 1806 } 1807 1808 err = ieee80211_link_use_channel(link, &chanreq, 1809 IEEE80211_CHANCTX_SHARED); 1810 if (!err) 1811 ieee80211_link_copy_chanctx_to_vlans(link, false); 1812 if (err) { 1813 link_conf->beacon_int = prev_beacon_int; 1814 return err; 1815 } 1816 1817 /* 1818 * Apply control port protocol, this allows us to 1819 * not encrypt dynamic WEP control frames. 1820 */ 1821 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1822 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1823 sdata->control_port_over_nl80211 = 1824 params->crypto.control_port_over_nl80211; 1825 sdata->control_port_no_preauth = 1826 params->crypto.control_port_no_preauth; 1827 1828 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1829 vlan->control_port_protocol = 1830 params->crypto.control_port_ethertype; 1831 vlan->control_port_no_encrypt = 1832 params->crypto.control_port_no_encrypt; 1833 vlan->control_port_over_nl80211 = 1834 params->crypto.control_port_over_nl80211; 1835 vlan->control_port_no_preauth = 1836 params->crypto.control_port_no_preauth; 1837 } 1838 1839 link_conf->dtim_period = params->dtim_period; 1840 link_conf->enable_beacon = true; 1841 link_conf->allow_p2p_go_ps = sdata->vif.p2p; 1842 link_conf->twt_responder = params->twt_responder; 1843 link_conf->he_obss_pd = params->he_obss_pd; 1844 link_conf->he_bss_color = params->beacon.he_bss_color; 1845 link_conf->s1g_long_beacon_period = params->s1g_long_beacon_period; 1846 sdata->vif.cfg.s1g = params->chandef.chan->band == NL80211_BAND_S1GHZ; 1847 1848 sdata->vif.cfg.ssid_len = params->ssid_len; 1849 if (params->ssid_len) 1850 memcpy(sdata->vif.cfg.ssid, params->ssid, 1851 params->ssid_len); 1852 link_conf->hidden_ssid = 1853 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1854 1855 memset(&link_conf->p2p_noa_attr, 0, 1856 sizeof(link_conf->p2p_noa_attr)); 1857 link_conf->p2p_noa_attr.oppps_ctwindow = 1858 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1859 if (params->p2p_opp_ps) 1860 link_conf->p2p_noa_attr.oppps_ctwindow |= 1861 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1862 1863 sdata->beacon_rate_set = false; 1864 if (wiphy_ext_feature_isset(local->hw.wiphy, 1865 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1866 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1867 sdata->beacon_rateidx_mask[i] = 1868 params->beacon_rate.control[i].legacy; 1869 if (sdata->beacon_rateidx_mask[i]) 1870 sdata->beacon_rate_set = true; 1871 } 1872 } 1873 1874 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1875 link_conf->beacon_tx_rate = params->beacon_rate; 1876 1877 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL, 1878 &changed); 1879 if (err < 0) 1880 goto error; 1881 1882 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1883 link, link_conf, &changed); 1884 if (err < 0) 1885 goto error; 1886 1887 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1888 ¶ms->unsol_bcast_probe_resp, 1889 link, link_conf, &changed); 1890 if (err < 0) 1891 goto error; 1892 1893 if (sdata->vif.cfg.s1g) { 1894 err = ieee80211_set_s1g_short_beacon(sdata, link, 1895 ¶ms->s1g_short_beacon); 1896 if (err < 0) 1897 goto error; 1898 } 1899 1900 err = drv_start_ap(sdata->local, sdata, link_conf); 1901 if (err) { 1902 old = sdata_dereference(link->u.ap.beacon, sdata); 1903 1904 if (old) 1905 kfree_rcu(old, rcu_head); 1906 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1907 1908 if (ieee80211_num_beaconing_links(sdata) == 0) 1909 sdata->u.ap.active = false; 1910 1911 goto error; 1912 } 1913 1914 tsf = drv_get_tsf(local, sdata); 1915 ieee80211_recalc_dtim(sdata, tsf); 1916 1917 if (link->u.ap.s1g_short_beacon) 1918 ieee80211_recalc_sb_count(sdata, tsf); 1919 1920 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID); 1921 ieee80211_link_info_change_notify(sdata, link, changed); 1922 1923 if (ieee80211_num_beaconing_links(sdata) <= 1) 1924 netif_carrier_on(dev); 1925 1926 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1927 netif_carrier_on(vlan->dev); 1928 1929 return 0; 1930 1931 error: 1932 ieee80211_link_release_channel(link); 1933 1934 return err; 1935 } 1936 1937 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1938 struct cfg80211_ap_update *params) 1939 1940 { 1941 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1942 struct ieee80211_link_data *link; 1943 struct cfg80211_beacon_data *beacon = ¶ms->beacon; 1944 struct beacon_data *old; 1945 int err; 1946 struct ieee80211_bss_conf *link_conf; 1947 u64 changed = 0; 1948 1949 lockdep_assert_wiphy(wiphy); 1950 1951 link = sdata_dereference(sdata->link[beacon->link_id], sdata); 1952 if (!link) 1953 return -ENOLINK; 1954 1955 link_conf = link->conf; 1956 1957 /* don't allow changing the beacon while a countdown is in place - offset 1958 * of channel switch counter may change 1959 */ 1960 if (link_conf->csa_active || link_conf->color_change_active) 1961 return -EBUSY; 1962 1963 old = sdata_dereference(link->u.ap.beacon, sdata); 1964 if (!old) 1965 return -ENOENT; 1966 1967 err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL, 1968 &changed); 1969 if (err < 0) 1970 return err; 1971 1972 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1973 link, link_conf, &changed); 1974 if (err < 0) 1975 return err; 1976 1977 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1978 ¶ms->unsol_bcast_probe_resp, 1979 link, link_conf, &changed); 1980 if (err < 0) 1981 return err; 1982 1983 if (link->u.ap.s1g_short_beacon) { 1984 err = ieee80211_set_s1g_short_beacon(sdata, link, 1985 ¶ms->s1g_short_beacon); 1986 if (err < 0) 1987 return err; 1988 } 1989 1990 if (beacon->he_bss_color_valid && 1991 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) { 1992 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled; 1993 changed |= BSS_CHANGED_HE_BSS_COLOR; 1994 } 1995 1996 ieee80211_link_info_change_notify(sdata, link, changed); 1997 return 0; 1998 } 1999 2000 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link) 2001 { 2002 if (!link->u.ap.next_beacon) 2003 return; 2004 2005 kfree(link->u.ap.next_beacon->mbssid_ies); 2006 kfree(link->u.ap.next_beacon->rnr_ies); 2007 kfree(link->u.ap.next_beacon); 2008 link->u.ap.next_beacon = NULL; 2009 } 2010 2011 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 2012 unsigned int link_id) 2013 { 2014 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2015 struct ieee80211_sub_if_data *vlan; 2016 struct ieee80211_local *local = sdata->local; 2017 struct beacon_data *old_beacon; 2018 struct probe_resp *old_probe_resp; 2019 struct fils_discovery_data *old_fils_discovery; 2020 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 2021 struct s1g_short_beacon_data *old_s1g_short_beacon; 2022 struct cfg80211_chan_def chandef; 2023 struct ieee80211_link_data *link = 2024 sdata_dereference(sdata->link[link_id], sdata); 2025 struct ieee80211_bss_conf *link_conf = link->conf; 2026 u64 changes = BSS_CHANGED_BEACON_ENABLED; 2027 LIST_HEAD(keys); 2028 2029 lockdep_assert_wiphy(local->hw.wiphy); 2030 2031 old_beacon = sdata_dereference(link->u.ap.beacon, sdata); 2032 if (!old_beacon) 2033 return -ENOENT; 2034 old_probe_resp = sdata_dereference(link->u.ap.probe_resp, 2035 sdata); 2036 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery, 2037 sdata); 2038 old_unsol_bcast_probe_resp = 2039 sdata_dereference(link->u.ap.unsol_bcast_probe_resp, 2040 sdata); 2041 old_s1g_short_beacon = 2042 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 2043 2044 /* abort any running channel switch or color change */ 2045 link_conf->csa_active = false; 2046 link_conf->color_change_active = false; 2047 ieee80211_vif_unblock_queues_csa(sdata); 2048 2049 ieee80211_free_next_beacon(link); 2050 2051 /* turn off carrier for this interface and dependent VLANs */ 2052 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 2053 netif_carrier_off(vlan->dev); 2054 2055 if (ieee80211_num_beaconing_links(sdata) <= 1) { 2056 netif_carrier_off(dev); 2057 sdata->u.ap.active = false; 2058 } 2059 2060 /* remove beacon and probe response */ 2061 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 2062 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL); 2063 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 2064 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 2065 RCU_INIT_POINTER(link->u.ap.s1g_short_beacon, NULL); 2066 kfree_rcu(old_beacon, rcu_head); 2067 if (old_probe_resp) 2068 kfree_rcu(old_probe_resp, rcu_head); 2069 if (old_fils_discovery) 2070 kfree_rcu(old_fils_discovery, rcu_head); 2071 if (old_unsol_bcast_probe_resp) 2072 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 2073 if (old_s1g_short_beacon) 2074 kfree_rcu(old_s1g_short_beacon, rcu_head); 2075 2076 if (link_conf->ftm_responder) { 2077 link_conf->ftm_responder = false; 2078 changes |= BSS_CHANGED_FTM_RESPONDER; 2079 } 2080 2081 kfree(link_conf->ftmr_params); 2082 link_conf->ftmr_params = NULL; 2083 2084 link_conf->bssid_index = 0; 2085 link_conf->nontransmitted = false; 2086 link_conf->ema_ap = false; 2087 link_conf->bssid_indicator = 0; 2088 link_conf->fils_discovery.min_interval = 0; 2089 link_conf->fils_discovery.max_interval = 0; 2090 link_conf->unsol_bcast_probe_resp_interval = 0; 2091 2092 __sta_info_flush(sdata, true, link_id, NULL); 2093 2094 ieee80211_stop_mbssid(sdata); 2095 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL); 2096 2097 link_conf->enable_beacon = false; 2098 sdata->beacon_rate_set = false; 2099 sdata->vif.cfg.ssid_len = 0; 2100 sdata->vif.cfg.s1g = false; 2101 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 2102 ieee80211_link_info_change_notify(sdata, link, changes); 2103 2104 ieee80211_remove_link_keys(link, &keys); 2105 if (!list_empty(&keys)) { 2106 synchronize_net(); 2107 ieee80211_free_key_list(local, &keys); 2108 } 2109 2110 if (sdata->wdev.links[link_id].cac_started) { 2111 chandef = link_conf->chanreq.oper; 2112 wiphy_hrtimer_work_cancel(wiphy, &link->dfs_cac_timer_work); 2113 cfg80211_cac_event(sdata->dev, &chandef, 2114 NL80211_RADAR_CAC_ABORTED, 2115 GFP_KERNEL, link_id); 2116 } 2117 2118 drv_stop_ap(sdata->local, sdata, link_conf); 2119 2120 /* free all potentially still buffered bcast frames */ 2121 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 2122 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 2123 2124 ieee80211_link_copy_chanctx_to_vlans(link, true); 2125 ieee80211_link_release_channel(link); 2126 2127 return 0; 2128 } 2129 2130 static int sta_apply_auth_flags(struct ieee80211_local *local, 2131 struct sta_info *sta, 2132 u32 mask, u32 set) 2133 { 2134 int ret; 2135 2136 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 2137 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 2138 !test_sta_flag(sta, WLAN_STA_AUTH)) { 2139 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 2140 if (ret) 2141 return ret; 2142 } 2143 2144 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 2145 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 2146 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 2147 /* 2148 * When peer becomes associated, init rate control as 2149 * well. Some drivers require rate control initialized 2150 * before drv_sta_state() is called. 2151 */ 2152 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 2153 rate_control_rate_init_all_links(sta); 2154 2155 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 2156 if (ret) 2157 return ret; 2158 } 2159 2160 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2161 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 2162 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 2163 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2164 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 2165 else 2166 ret = 0; 2167 if (ret) 2168 return ret; 2169 } 2170 2171 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 2172 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 2173 test_sta_flag(sta, WLAN_STA_ASSOC)) { 2174 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 2175 if (ret) 2176 return ret; 2177 } 2178 2179 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 2180 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 2181 test_sta_flag(sta, WLAN_STA_AUTH)) { 2182 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 2183 if (ret) 2184 return ret; 2185 } 2186 2187 return 0; 2188 } 2189 2190 static void sta_apply_mesh_params(struct ieee80211_local *local, 2191 struct sta_info *sta, 2192 struct station_parameters *params) 2193 { 2194 #ifdef CONFIG_MAC80211_MESH 2195 struct ieee80211_sub_if_data *sdata = sta->sdata; 2196 u64 changed = 0; 2197 2198 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 2199 switch (params->plink_state) { 2200 case NL80211_PLINK_ESTAB: 2201 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 2202 changed = mesh_plink_inc_estab_count(sdata); 2203 sta->mesh->plink_state = params->plink_state; 2204 sta->mesh->aid = params->peer_aid; 2205 2206 ieee80211_mps_sta_status_update(sta); 2207 changed |= ieee80211_mps_set_sta_local_pm(sta, 2208 sdata->u.mesh.mshcfg.power_mode); 2209 2210 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 2211 /* init at low value */ 2212 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 2213 2214 break; 2215 case NL80211_PLINK_LISTEN: 2216 case NL80211_PLINK_BLOCKED: 2217 case NL80211_PLINK_OPN_SNT: 2218 case NL80211_PLINK_OPN_RCVD: 2219 case NL80211_PLINK_CNF_RCVD: 2220 case NL80211_PLINK_HOLDING: 2221 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 2222 changed = mesh_plink_dec_estab_count(sdata); 2223 sta->mesh->plink_state = params->plink_state; 2224 2225 ieee80211_mps_sta_status_update(sta); 2226 changed |= ieee80211_mps_set_sta_local_pm(sta, 2227 NL80211_MESH_POWER_UNKNOWN); 2228 break; 2229 default: 2230 /* nothing */ 2231 break; 2232 } 2233 } 2234 2235 switch (params->plink_action) { 2236 case NL80211_PLINK_ACTION_NO_ACTION: 2237 /* nothing */ 2238 break; 2239 case NL80211_PLINK_ACTION_OPEN: 2240 changed |= mesh_plink_open(sta); 2241 break; 2242 case NL80211_PLINK_ACTION_BLOCK: 2243 changed |= mesh_plink_block(sta); 2244 break; 2245 } 2246 2247 if (params->local_pm) 2248 changed |= ieee80211_mps_set_sta_local_pm(sta, 2249 params->local_pm); 2250 2251 ieee80211_mbss_info_change_notify(sdata, changed); 2252 #endif 2253 } 2254 2255 enum sta_link_apply_mode { 2256 STA_LINK_MODE_NEW, 2257 STA_LINK_MODE_STA_MODIFY, 2258 STA_LINK_MODE_LINK_MODIFY, 2259 }; 2260 2261 static int sta_link_apply_parameters(struct ieee80211_local *local, 2262 struct sta_info *sta, 2263 enum sta_link_apply_mode mode, 2264 struct link_station_parameters *params) 2265 { 2266 struct ieee80211_supported_band *sband = NULL; 2267 struct ieee80211_sub_if_data *sdata = sta->sdata; 2268 u32 link_id = params->link_id < 0 ? 0 : params->link_id; 2269 struct ieee80211_link_data *link = 2270 sdata_dereference(sdata->link[link_id], sdata); 2271 struct link_sta_info *link_sta = 2272 rcu_dereference_protected(sta->link[link_id], 2273 lockdep_is_held(&local->hw.wiphy->mtx)); 2274 const struct ieee80211_sta_ht_cap *own_ht_cap; 2275 const struct ieee80211_sta_vht_cap *own_vht_cap; 2276 const struct ieee80211_sta_he_cap *own_he_cap; 2277 bool changes = params->link_mac || 2278 params->txpwr_set || 2279 params->supported_rates_len || 2280 params->ht_capa || 2281 params->vht_capa || 2282 params->he_capa || 2283 params->eht_capa || 2284 params->uhr_capa || 2285 params->s1g_capa || 2286 params->opmode_notif_used; 2287 2288 switch (mode) { 2289 case STA_LINK_MODE_NEW: 2290 if (!params->link_mac) 2291 return -EINVAL; 2292 break; 2293 case STA_LINK_MODE_LINK_MODIFY: 2294 break; 2295 case STA_LINK_MODE_STA_MODIFY: 2296 if (params->link_id >= 0) 2297 break; 2298 if (!changes) 2299 return 0; 2300 break; 2301 } 2302 2303 if (!link || !link_sta) 2304 return -EINVAL; 2305 2306 /* 2307 * We should not have any changes in NDI station, its capabilities are 2308 * copied from the NMI sta 2309 */ 2310 if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_NAN_DATA)) 2311 return -EINVAL; 2312 2313 if (sdata->vif.type == NL80211_IFTYPE_NAN) { 2314 own_ht_cap = &local->hw.wiphy->nan_capa.phy.ht; 2315 own_vht_cap = &local->hw.wiphy->nan_capa.phy.vht; 2316 own_he_cap = &local->hw.wiphy->nan_capa.phy.he; 2317 } else { 2318 sband = ieee80211_get_link_sband(link); 2319 if (!sband) 2320 return -EINVAL; 2321 2322 own_ht_cap = &sband->ht_cap; 2323 own_vht_cap = &sband->vht_cap; 2324 own_he_cap = ieee80211_get_he_iftype_cap_vif(sband, &sdata->vif); 2325 } 2326 2327 if (params->link_mac) { 2328 if (mode == STA_LINK_MODE_NEW) { 2329 memcpy(link_sta->addr, params->link_mac, ETH_ALEN); 2330 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN); 2331 } else if (!ether_addr_equal(link_sta->addr, 2332 params->link_mac)) { 2333 return -EINVAL; 2334 } 2335 } 2336 2337 if (params->txpwr_set) { 2338 int ret; 2339 2340 link_sta->pub->txpwr.type = params->txpwr.type; 2341 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 2342 link_sta->pub->txpwr.power = params->txpwr.power; 2343 ret = drv_sta_set_txpwr(local, sdata, sta); 2344 if (ret) 2345 return ret; 2346 } 2347 2348 if (sdata->vif.type == NL80211_IFTYPE_NAN) { 2349 static const u8 all_ofdm_rates[] = { 2350 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6c 2351 }; 2352 2353 /* Set the same supported_rates for all bands */ 2354 for (int i = 0; i < NUM_NL80211_BANDS; i++) { 2355 struct ieee80211_supported_band *tmp = 2356 sdata->local->hw.wiphy->bands[i]; 2357 2358 if ((i != NL80211_BAND_2GHZ && i != NL80211_BAND_5GHZ) || 2359 !tmp) 2360 continue; 2361 2362 if (!ieee80211_parse_bitrates(tmp, all_ofdm_rates, 2363 sizeof(all_ofdm_rates), 2364 &link_sta->pub->supp_rates[i])) 2365 return -EINVAL; 2366 } 2367 } 2368 2369 if (params->supported_rates && 2370 params->supported_rates_len && 2371 !ieee80211_parse_bitrates(sband, params->supported_rates, 2372 params->supported_rates_len, 2373 &link_sta->pub->supp_rates[sband->band])) 2374 return -EINVAL; 2375 2376 if (params->ht_capa) 2377 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, own_ht_cap, 2378 params->ht_capa, link_sta); 2379 2380 /* VHT can override some HT caps such as the A-MSDU max length */ 2381 if (params->vht_capa) 2382 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 2383 own_vht_cap, 2384 params->vht_capa, NULL, 2385 link_sta); 2386 2387 if (params->he_capa) 2388 _ieee80211_he_cap_ie_to_sta_he_cap(sdata, 2389 own_he_cap, 2390 (void *)params->he_capa, 2391 params->he_capa_len, 2392 (sband && sband->band == NL80211_BAND_6GHZ) ? 2393 (void *)params->he_6ghz_capa : NULL, 2394 link_sta); 2395 2396 if (params->he_capa && params->eht_capa) 2397 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, 2398 (u8 *)params->he_capa, 2399 params->he_capa_len, 2400 params->eht_capa, 2401 params->eht_capa_len, 2402 link_sta); 2403 2404 if (params->uhr_capa) 2405 ieee80211_uhr_cap_ie_to_sta_uhr_cap(sdata, sband, 2406 params->uhr_capa, 2407 params->uhr_capa_len, 2408 link_sta); 2409 2410 if (params->s1g_capa) 2411 ieee80211_s1g_cap_to_sta_s1g_cap(sdata, params->s1g_capa, 2412 link_sta); 2413 2414 switch (sdata->vif.type) { 2415 case NL80211_IFTYPE_NAN: 2416 case NL80211_IFTYPE_NAN_DATA: 2417 /* not applicable - they don't use NSS/BW as capability */ 2418 break; 2419 default: 2420 ieee80211_sta_init_nss_bw_capa(link_sta, &link->conf->chanreq.oper); 2421 break; 2422 } 2423 2424 if (params->opmode_notif_used) { 2425 enum nl80211_chan_width width = link->conf->chanreq.oper.width; 2426 2427 switch (width) { 2428 case NL80211_CHAN_WIDTH_20: 2429 case NL80211_CHAN_WIDTH_40: 2430 case NL80211_CHAN_WIDTH_80: 2431 case NL80211_CHAN_WIDTH_160: 2432 case NL80211_CHAN_WIDTH_80P80: 2433 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */ 2434 break; 2435 default: 2436 return -EINVAL; 2437 } 2438 2439 /* returned value is only needed for rc update, but the 2440 * rc isn't initialized here yet, so ignore it 2441 */ 2442 __ieee80211_vht_handle_opmode(sdata, link_sta, 2443 params->opmode_notif, 2444 sband->band); 2445 } 2446 2447 return 0; 2448 } 2449 2450 static int sta_apply_parameters(struct ieee80211_local *local, 2451 struct sta_info *sta, 2452 struct station_parameters *params) 2453 { 2454 struct ieee80211_sub_if_data *sdata = sta->sdata; 2455 u32 mask, set; 2456 int ret = 0; 2457 2458 mask = params->sta_flags_mask; 2459 set = params->sta_flags_set; 2460 2461 if (params->epp_peer) 2462 sta->sta.epp_peer = true; 2463 2464 if (ieee80211_vif_is_mesh(&sdata->vif)) { 2465 /* 2466 * In mesh mode, ASSOCIATED isn't part of the nl80211 2467 * API but must follow AUTHENTICATED for driver state. 2468 */ 2469 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2470 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2471 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2472 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2473 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2474 /* 2475 * TDLS -- everything follows authorized, but 2476 * only becoming authorized is possible, not 2477 * going back 2478 */ 2479 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2480 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2481 BIT(NL80211_STA_FLAG_ASSOCIATED); 2482 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2483 BIT(NL80211_STA_FLAG_ASSOCIATED); 2484 } 2485 } 2486 2487 if (mask & BIT(NL80211_STA_FLAG_WME) && 2488 local->hw.queues >= IEEE80211_NUM_ACS) 2489 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 2490 2491 /* auth flags will be set later for TDLS, 2492 * and for unassociated stations that move to associated */ 2493 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2494 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 2495 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 2496 ret = sta_apply_auth_flags(local, sta, mask, set); 2497 if (ret) 2498 return ret; 2499 } 2500 2501 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 2502 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 2503 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2504 else 2505 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2506 } 2507 2508 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 2509 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 2510 if (set & BIT(NL80211_STA_FLAG_MFP)) 2511 set_sta_flag(sta, WLAN_STA_MFP); 2512 else 2513 clear_sta_flag(sta, WLAN_STA_MFP); 2514 } 2515 2516 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 2517 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2518 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 2519 else 2520 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 2521 } 2522 2523 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU)) 2524 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU); 2525 2526 /* mark TDLS channel switch support, if the AP allows it */ 2527 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2528 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited && 2529 params->ext_capab_len >= 4 && 2530 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 2531 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 2532 2533 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2534 !sdata->u.mgd.tdls_wider_bw_prohibited && 2535 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 2536 params->ext_capab_len >= 8 && 2537 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 2538 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 2539 2540 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 2541 sta->sta.uapsd_queues = params->uapsd_queues; 2542 sta->sta.max_sp = params->max_sp; 2543 } 2544 2545 if (params->ext_capab) 2546 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab, 2547 params->ext_capab_len); 2548 2549 /* 2550 * cfg80211 validates this (1-2007) and allows setting the AID 2551 * only when creating a new station entry. For S1G APs, the current 2552 * implementation supports a maximum of 1600 AIDs. 2553 */ 2554 if (params->aid) { 2555 if (sdata->vif.cfg.s1g && 2556 params->aid > IEEE80211_MAX_SUPPORTED_S1G_AID) 2557 return -EINVAL; 2558 2559 sta->sta.aid = params->aid; 2560 } 2561 2562 /* 2563 * Some of the following updates would be racy if called on an 2564 * existing station, via ieee80211_change_station(). However, 2565 * all such changes are rejected by cfg80211 except for updates 2566 * changing the supported rates on an existing but not yet used 2567 * TDLS peer. 2568 */ 2569 2570 if (params->listen_interval >= 0) 2571 sta->listen_interval = params->listen_interval; 2572 2573 if (params->eml_cap_present) 2574 sta->sta.eml_cap = params->eml_cap; 2575 2576 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY, 2577 ¶ms->link_sta_params); 2578 if (ret) 2579 return ret; 2580 2581 if (params->support_p2p_ps >= 0) 2582 sta->sta.support_p2p_ps = params->support_p2p_ps; 2583 2584 if (ieee80211_vif_is_mesh(&sdata->vif)) 2585 sta_apply_mesh_params(local, sta, params); 2586 2587 if (params->airtime_weight) 2588 sta->airtime_weight = params->airtime_weight; 2589 2590 if (params->nmi_mac) { 2591 struct ieee80211_sub_if_data *nmi = 2592 rcu_dereference_wiphy(local->hw.wiphy, 2593 sdata->u.nan_data.nmi); 2594 struct sta_info *nmi_sta; 2595 2596 if (WARN_ON(!nmi)) 2597 return -EINVAL; 2598 2599 nmi_sta = sta_info_get(nmi, params->nmi_mac); 2600 if (!nmi_sta) 2601 return -ENOENT; 2602 rcu_assign_pointer(sta->sta.nmi, &nmi_sta->sta); 2603 2604 /* For NAN_DATA stations, copy capabilities from the NMI station */ 2605 if (!nmi_sta->deflink.pub->ht_cap.ht_supported) 2606 return -EINVAL; 2607 2608 sta->deflink.pub->ht_cap = nmi_sta->deflink.pub->ht_cap; 2609 sta->deflink.pub->vht_cap = nmi_sta->deflink.pub->vht_cap; 2610 sta->deflink.pub->he_cap = nmi_sta->deflink.pub->he_cap; 2611 memcpy(&sta->deflink.pub->supp_rates, 2612 &nmi_sta->deflink.pub->supp_rates, 2613 sizeof(sta->deflink.pub->supp_rates)); 2614 } 2615 2616 /* set the STA state after all sta info from usermode has been set */ 2617 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 2618 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 2619 ret = sta_apply_auth_flags(local, sta, mask, set); 2620 if (ret) 2621 return ret; 2622 } 2623 2624 /* Mark the STA as MLO if MLD MAC address is available */ 2625 if (params->link_sta_params.mld_mac) 2626 sta->sta.mlo = true; 2627 2628 return 0; 2629 } 2630 2631 static int ieee80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev, 2632 const u8 *mac, 2633 struct station_parameters *params) 2634 { 2635 struct ieee80211_local *local = wiphy_priv(wiphy); 2636 struct sta_info *sta; 2637 struct ieee80211_sub_if_data *sdata; 2638 int err; 2639 2640 lockdep_assert_wiphy(local->hw.wiphy); 2641 2642 if (params->vlan) { 2643 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2644 2645 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 2646 sdata->vif.type != NL80211_IFTYPE_AP) 2647 return -EINVAL; 2648 } else 2649 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2650 2651 if (ether_addr_equal(mac, sdata->vif.addr)) 2652 return -EINVAL; 2653 2654 if (!is_valid_ether_addr(mac)) 2655 return -EINVAL; 2656 2657 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 2658 sdata->vif.type == NL80211_IFTYPE_STATION && 2659 !sdata->u.mgd.associated) 2660 return -EINVAL; 2661 2662 /* 2663 * If we have a link ID, it can be a non-MLO station on an AP MLD, 2664 * but we need to have a link_mac in that case as well, so use the 2665 * STA's MAC address in that case. 2666 */ 2667 if (params->link_sta_params.link_id >= 0) 2668 sta = sta_info_alloc_with_link(sdata, mac, 2669 params->link_sta_params.link_id, 2670 params->link_sta_params.link_mac ?: mac, 2671 GFP_KERNEL); 2672 else 2673 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 2674 2675 if (!sta) 2676 return -ENOMEM; 2677 2678 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2679 sta->sta.tdls = true; 2680 2681 /* Though the mutex is not needed here (since the station is not 2682 * visible yet), sta_apply_parameters (and inner functions) require 2683 * the mutex due to other paths. 2684 */ 2685 err = sta_apply_parameters(local, sta, params); 2686 if (err) { 2687 sta_info_free(local, sta); 2688 return err; 2689 } 2690 2691 /* 2692 * for TDLS and for unassociated station, rate control should be 2693 * initialized only when rates are known and station is marked 2694 * authorized/associated 2695 */ 2696 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2697 test_sta_flag(sta, WLAN_STA_ASSOC)) 2698 rate_control_rate_init_all_links(sta); 2699 2700 err = sta_info_insert(sta); 2701 2702 /* 2703 * ieee80211_nan_update_ndi_carrier was called from sta_apply_parameters, 2704 * but then we did not have the STA in the list. 2705 */ 2706 if (!err && sdata->vif.type == NL80211_IFTYPE_NAN_DATA) 2707 ieee80211_nan_update_ndi_carrier(sta->sdata); 2708 return err; 2709 } 2710 2711 static int ieee80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev, 2712 struct station_del_parameters *params) 2713 { 2714 struct ieee80211_sub_if_data *sdata; 2715 2716 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2717 2718 if (params->mac) 2719 return sta_info_destroy_addr_bss(sdata, params->mac); 2720 2721 sta_info_flush(sdata, params->link_id); 2722 return 0; 2723 } 2724 2725 static int ieee80211_set_sta_4addr(struct ieee80211_local *local, 2726 struct ieee80211_sub_if_data *sdata, 2727 struct sta_info *sta) 2728 { 2729 struct ieee80211_vif *vif = &sdata->vif; 2730 struct wiphy *wiphy = local->hw.wiphy; 2731 struct ieee80211_sub_if_data *master; 2732 struct ieee80211_bss_conf *link_conf; 2733 struct wireless_dev *wdev; 2734 unsigned long master_iter; 2735 int link_id; 2736 int err; 2737 2738 lockdep_assert_wiphy(local->hw.wiphy); 2739 2740 if (sdata->u.vlan.sta) 2741 return -EBUSY; 2742 2743 wdev = &sdata->wdev; 2744 master = container_of(sdata->bss, 2745 struct ieee80211_sub_if_data, 2746 u.ap); 2747 2748 if (sta->sta.valid_links) { 2749 u16 sta_links = sta->sta.valid_links; 2750 u16 new_links = master->vif.valid_links & sta_links; 2751 u16 orig_links = wdev->valid_links; 2752 2753 wdev->valid_links = new_links; 2754 2755 err = ieee80211_vif_set_links(sdata, new_links, 0); 2756 if (err) { 2757 wdev->valid_links = orig_links; 2758 return err; 2759 } 2760 2761 master_iter = master->vif.valid_links; 2762 2763 for_each_set_bit(link_id, &master_iter, 2764 IEEE80211_MLD_MAX_NUM_LINKS) { 2765 if (!(sta_links & BIT(link_id))) { 2766 eth_zero_addr(wdev->links[link_id].addr); 2767 } else { 2768 link_conf = wiphy_dereference(wiphy, 2769 vif->link_conf[link_id]); 2770 2771 ether_addr_copy(wdev->links[link_id].addr, 2772 link_conf->bssid); 2773 } 2774 } 2775 } 2776 2777 rcu_assign_pointer(sdata->u.vlan.sta, sta); 2778 __ieee80211_check_fast_rx_iface(sdata); 2779 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2780 2781 return 0; 2782 } 2783 2784 static int ieee80211_change_station(struct wiphy *wiphy, 2785 struct wireless_dev *wdev, const u8 *mac, 2786 struct station_parameters *params) 2787 { 2788 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2789 struct ieee80211_local *local = wiphy_priv(wiphy); 2790 struct sta_info *sta; 2791 struct ieee80211_sub_if_data *vlansdata; 2792 enum cfg80211_station_type statype; 2793 int err; 2794 2795 lockdep_assert_wiphy(local->hw.wiphy); 2796 2797 sta = sta_info_get_bss(sdata, mac); 2798 if (!sta) 2799 return -ENOENT; 2800 2801 switch (sdata->vif.type) { 2802 case NL80211_IFTYPE_MESH_POINT: 2803 if (sdata->u.mesh.user_mpm) 2804 statype = CFG80211_STA_MESH_PEER_USER; 2805 else 2806 statype = CFG80211_STA_MESH_PEER_KERNEL; 2807 break; 2808 case NL80211_IFTYPE_ADHOC: 2809 statype = CFG80211_STA_IBSS; 2810 break; 2811 case NL80211_IFTYPE_STATION: 2812 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2813 statype = CFG80211_STA_AP_STA; 2814 break; 2815 } 2816 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2817 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2818 else 2819 statype = CFG80211_STA_TDLS_PEER_SETUP; 2820 break; 2821 case NL80211_IFTYPE_AP: 2822 case NL80211_IFTYPE_AP_VLAN: 2823 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2824 statype = CFG80211_STA_AP_CLIENT; 2825 else 2826 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2827 break; 2828 case NL80211_IFTYPE_NAN: 2829 statype = CFG80211_STA_NAN_MGMT; 2830 break; 2831 case NL80211_IFTYPE_NAN_DATA: 2832 statype = CFG80211_STA_NAN_DATA; 2833 break; 2834 default: 2835 return -EOPNOTSUPP; 2836 } 2837 2838 err = cfg80211_check_station_change(wiphy, params, statype); 2839 if (err) 2840 return err; 2841 2842 if (params->vlan && params->vlan != sta->sdata->dev) { 2843 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2844 2845 if (params->vlan->ieee80211_ptr->use_4addr) { 2846 err = ieee80211_set_sta_4addr(local, vlansdata, sta); 2847 if (err) 2848 return err; 2849 2850 } 2851 2852 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2853 sta->sdata->u.vlan.sta) 2854 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2855 2856 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2857 ieee80211_vif_dec_num_mcast(sta->sdata); 2858 2859 sta->sdata = vlansdata; 2860 ieee80211_check_fast_rx(sta); 2861 ieee80211_check_fast_xmit(sta); 2862 2863 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2864 ieee80211_vif_inc_num_mcast(sta->sdata); 2865 cfg80211_send_layer2_update(sta->sdata->dev, 2866 sta->sta.addr); 2867 } 2868 } 2869 2870 /* NAN capabilties should not change */ 2871 if (statype == CFG80211_STA_NAN_DATA && 2872 sta->deflink.pub->ht_cap.ht_supported && 2873 (params->link_sta_params.ht_capa || 2874 params->link_sta_params.vht_capa || 2875 params->link_sta_params.he_capa)) 2876 return -EINVAL; 2877 2878 err = sta_apply_parameters(local, sta, params); 2879 if (err) 2880 return err; 2881 2882 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2883 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2884 ieee80211_recalc_ps(local); 2885 ieee80211_recalc_ps_vif(sdata); 2886 } 2887 2888 return 0; 2889 } 2890 2891 #ifdef CONFIG_MAC80211_MESH 2892 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2893 const u8 *dst, const u8 *next_hop) 2894 { 2895 struct ieee80211_sub_if_data *sdata; 2896 struct mesh_path *mpath; 2897 struct sta_info *sta; 2898 2899 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2900 2901 rcu_read_lock(); 2902 sta = sta_info_get(sdata, next_hop); 2903 if (!sta) { 2904 rcu_read_unlock(); 2905 return -ENOENT; 2906 } 2907 2908 mpath = mesh_path_add(sdata, dst); 2909 if (IS_ERR(mpath)) { 2910 rcu_read_unlock(); 2911 return PTR_ERR(mpath); 2912 } 2913 2914 mesh_path_fix_nexthop(mpath, sta); 2915 2916 rcu_read_unlock(); 2917 return 0; 2918 } 2919 2920 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2921 const u8 *dst) 2922 { 2923 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2924 2925 if (dst) 2926 return mesh_path_del(sdata, dst); 2927 2928 mesh_path_flush_by_iface(sdata); 2929 return 0; 2930 } 2931 2932 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2933 const u8 *dst, const u8 *next_hop) 2934 { 2935 struct ieee80211_sub_if_data *sdata; 2936 struct mesh_path *mpath; 2937 struct sta_info *sta; 2938 2939 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2940 2941 rcu_read_lock(); 2942 2943 sta = sta_info_get(sdata, next_hop); 2944 if (!sta) { 2945 rcu_read_unlock(); 2946 return -ENOENT; 2947 } 2948 2949 mpath = mesh_path_lookup(sdata, dst); 2950 if (!mpath) { 2951 rcu_read_unlock(); 2952 return -ENOENT; 2953 } 2954 2955 mesh_path_fix_nexthop(mpath, sta); 2956 2957 rcu_read_unlock(); 2958 return 0; 2959 } 2960 2961 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2962 struct mpath_info *pinfo) 2963 { 2964 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2965 2966 if (next_hop_sta) 2967 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2968 else 2969 eth_zero_addr(next_hop); 2970 2971 memset(pinfo, 0, sizeof(*pinfo)); 2972 2973 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2974 2975 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2976 MPATH_INFO_SN | 2977 MPATH_INFO_METRIC | 2978 MPATH_INFO_EXPTIME | 2979 MPATH_INFO_DISCOVERY_TIMEOUT | 2980 MPATH_INFO_DISCOVERY_RETRIES | 2981 MPATH_INFO_FLAGS | 2982 MPATH_INFO_HOP_COUNT | 2983 MPATH_INFO_PATH_CHANGE; 2984 2985 pinfo->frame_qlen = mpath->frame_queue.qlen; 2986 pinfo->sn = mpath->sn; 2987 pinfo->metric = mpath->metric; 2988 if (time_before(jiffies, mpath->exp_time)) 2989 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2990 pinfo->discovery_timeout = 2991 jiffies_to_msecs(mpath->discovery_timeout); 2992 pinfo->discovery_retries = mpath->discovery_retries; 2993 if (mpath->flags & MESH_PATH_ACTIVE) 2994 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2995 if (mpath->flags & MESH_PATH_RESOLVING) 2996 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 2997 if (mpath->flags & MESH_PATH_SN_VALID) 2998 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 2999 if (mpath->flags & MESH_PATH_FIXED) 3000 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 3001 if (mpath->flags & MESH_PATH_RESOLVED) 3002 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 3003 pinfo->hop_count = mpath->hop_count; 3004 pinfo->path_change_count = mpath->path_change_count; 3005 } 3006 3007 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 3008 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 3009 3010 { 3011 struct ieee80211_sub_if_data *sdata; 3012 struct mesh_path *mpath; 3013 3014 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3015 3016 rcu_read_lock(); 3017 mpath = mesh_path_lookup(sdata, dst); 3018 if (!mpath) { 3019 rcu_read_unlock(); 3020 return -ENOENT; 3021 } 3022 memcpy(dst, mpath->dst, ETH_ALEN); 3023 mpath_set_pinfo(mpath, next_hop, pinfo); 3024 rcu_read_unlock(); 3025 return 0; 3026 } 3027 3028 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 3029 int idx, u8 *dst, u8 *next_hop, 3030 struct mpath_info *pinfo) 3031 { 3032 struct ieee80211_sub_if_data *sdata; 3033 struct mesh_path *mpath; 3034 3035 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3036 3037 rcu_read_lock(); 3038 mpath = mesh_path_lookup_by_idx(sdata, idx); 3039 if (!mpath) { 3040 rcu_read_unlock(); 3041 return -ENOENT; 3042 } 3043 memcpy(dst, mpath->dst, ETH_ALEN); 3044 mpath_set_pinfo(mpath, next_hop, pinfo); 3045 rcu_read_unlock(); 3046 return 0; 3047 } 3048 3049 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 3050 struct mpath_info *pinfo) 3051 { 3052 memset(pinfo, 0, sizeof(*pinfo)); 3053 memcpy(mpp, mpath->mpp, ETH_ALEN); 3054 3055 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 3056 } 3057 3058 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 3059 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 3060 3061 { 3062 struct ieee80211_sub_if_data *sdata; 3063 struct mesh_path *mpath; 3064 3065 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3066 3067 rcu_read_lock(); 3068 mpath = mpp_path_lookup(sdata, dst); 3069 if (!mpath) { 3070 rcu_read_unlock(); 3071 return -ENOENT; 3072 } 3073 memcpy(dst, mpath->dst, ETH_ALEN); 3074 mpp_set_pinfo(mpath, mpp, pinfo); 3075 rcu_read_unlock(); 3076 return 0; 3077 } 3078 3079 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 3080 int idx, u8 *dst, u8 *mpp, 3081 struct mpath_info *pinfo) 3082 { 3083 struct ieee80211_sub_if_data *sdata; 3084 struct mesh_path *mpath; 3085 3086 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3087 3088 rcu_read_lock(); 3089 mpath = mpp_path_lookup_by_idx(sdata, idx); 3090 if (!mpath) { 3091 rcu_read_unlock(); 3092 return -ENOENT; 3093 } 3094 memcpy(dst, mpath->dst, ETH_ALEN); 3095 mpp_set_pinfo(mpath, mpp, pinfo); 3096 rcu_read_unlock(); 3097 return 0; 3098 } 3099 3100 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 3101 struct net_device *dev, 3102 struct mesh_config *conf) 3103 { 3104 struct ieee80211_sub_if_data *sdata; 3105 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3106 3107 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 3108 return 0; 3109 } 3110 3111 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 3112 { 3113 return (mask >> (parm-1)) & 0x1; 3114 } 3115 3116 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 3117 const struct mesh_setup *setup) 3118 { 3119 u8 *new_ie; 3120 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 3121 struct ieee80211_sub_if_data, u.mesh); 3122 int i; 3123 3124 /* allocate information elements */ 3125 new_ie = NULL; 3126 3127 if (setup->ie_len) { 3128 new_ie = kmemdup(setup->ie, setup->ie_len, 3129 GFP_KERNEL); 3130 if (!new_ie) 3131 return -ENOMEM; 3132 } 3133 ifmsh->ie_len = setup->ie_len; 3134 ifmsh->ie = new_ie; 3135 3136 /* now copy the rest of the setup parameters */ 3137 ifmsh->mesh_id_len = setup->mesh_id_len; 3138 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 3139 ifmsh->mesh_sp_id = setup->sync_method; 3140 ifmsh->mesh_pp_id = setup->path_sel_proto; 3141 ifmsh->mesh_pm_id = setup->path_metric; 3142 ifmsh->user_mpm = setup->user_mpm; 3143 ifmsh->mesh_auth_id = setup->auth_id; 3144 ifmsh->security = IEEE80211_MESH_SEC_NONE; 3145 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 3146 if (setup->is_authenticated) 3147 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 3148 if (setup->is_secure) 3149 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 3150 3151 /* mcast rate setting in Mesh Node */ 3152 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 3153 sizeof(setup->mcast_rate)); 3154 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 3155 3156 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 3157 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 3158 3159 sdata->beacon_rate_set = false; 3160 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 3161 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 3162 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3163 sdata->beacon_rateidx_mask[i] = 3164 setup->beacon_rate.control[i].legacy; 3165 if (sdata->beacon_rateidx_mask[i]) 3166 sdata->beacon_rate_set = true; 3167 } 3168 } 3169 3170 return 0; 3171 } 3172 3173 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 3174 struct net_device *dev, u32 mask, 3175 const struct mesh_config *nconf) 3176 { 3177 struct mesh_config *conf; 3178 struct ieee80211_sub_if_data *sdata; 3179 struct ieee80211_if_mesh *ifmsh; 3180 3181 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3182 ifmsh = &sdata->u.mesh; 3183 3184 /* Set the config options which we are interested in setting */ 3185 conf = &(sdata->u.mesh.mshcfg); 3186 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 3187 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 3188 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 3189 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 3190 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 3191 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 3192 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 3193 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 3194 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 3195 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 3196 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 3197 conf->dot11MeshTTL = nconf->dot11MeshTTL; 3198 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 3199 conf->element_ttl = nconf->element_ttl; 3200 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 3201 if (ifmsh->user_mpm) 3202 return -EBUSY; 3203 conf->auto_open_plinks = nconf->auto_open_plinks; 3204 } 3205 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 3206 conf->dot11MeshNbrOffsetMaxNeighbor = 3207 nconf->dot11MeshNbrOffsetMaxNeighbor; 3208 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 3209 conf->dot11MeshHWMPmaxPREQretries = 3210 nconf->dot11MeshHWMPmaxPREQretries; 3211 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 3212 conf->path_refresh_time = nconf->path_refresh_time; 3213 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 3214 conf->min_discovery_timeout = nconf->min_discovery_timeout; 3215 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 3216 conf->dot11MeshHWMPactivePathTimeout = 3217 nconf->dot11MeshHWMPactivePathTimeout; 3218 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 3219 conf->dot11MeshHWMPpreqMinInterval = 3220 nconf->dot11MeshHWMPpreqMinInterval; 3221 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 3222 conf->dot11MeshHWMPperrMinInterval = 3223 nconf->dot11MeshHWMPperrMinInterval; 3224 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 3225 mask)) 3226 conf->dot11MeshHWMPnetDiameterTraversalTime = 3227 nconf->dot11MeshHWMPnetDiameterTraversalTime; 3228 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 3229 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 3230 ieee80211_mesh_root_setup(ifmsh); 3231 } 3232 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 3233 /* our current gate announcement implementation rides on root 3234 * announcements, so require this ifmsh to also be a root node 3235 * */ 3236 if (nconf->dot11MeshGateAnnouncementProtocol && 3237 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 3238 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 3239 ieee80211_mesh_root_setup(ifmsh); 3240 } 3241 conf->dot11MeshGateAnnouncementProtocol = 3242 nconf->dot11MeshGateAnnouncementProtocol; 3243 } 3244 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 3245 conf->dot11MeshHWMPRannInterval = 3246 nconf->dot11MeshHWMPRannInterval; 3247 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 3248 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 3249 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 3250 /* our RSSI threshold implementation is supported only for 3251 * devices that report signal in dBm. 3252 */ 3253 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 3254 return -EOPNOTSUPP; 3255 conf->rssi_threshold = nconf->rssi_threshold; 3256 } 3257 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 3258 conf->ht_opmode = nconf->ht_opmode; 3259 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 3260 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3261 BSS_CHANGED_HT); 3262 } 3263 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 3264 conf->dot11MeshHWMPactivePathToRootTimeout = 3265 nconf->dot11MeshHWMPactivePathToRootTimeout; 3266 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 3267 conf->dot11MeshHWMProotInterval = 3268 nconf->dot11MeshHWMProotInterval; 3269 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 3270 conf->dot11MeshHWMPconfirmationInterval = 3271 nconf->dot11MeshHWMPconfirmationInterval; 3272 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 3273 conf->power_mode = nconf->power_mode; 3274 ieee80211_mps_local_status_update(sdata); 3275 } 3276 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 3277 conf->dot11MeshAwakeWindowDuration = 3278 nconf->dot11MeshAwakeWindowDuration; 3279 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 3280 conf->plink_timeout = nconf->plink_timeout; 3281 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 3282 conf->dot11MeshConnectedToMeshGate = 3283 nconf->dot11MeshConnectedToMeshGate; 3284 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 3285 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 3286 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 3287 conf->dot11MeshConnectedToAuthServer = 3288 nconf->dot11MeshConnectedToAuthServer; 3289 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 3290 return 0; 3291 } 3292 3293 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 3294 const struct mesh_config *conf, 3295 const struct mesh_setup *setup) 3296 { 3297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3298 struct ieee80211_chan_req chanreq = { .oper = setup->chandef }; 3299 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3300 int err; 3301 3302 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3303 3304 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 3305 err = copy_mesh_setup(ifmsh, setup); 3306 if (err) 3307 return err; 3308 3309 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 3310 3311 /* can mesh use other SMPS modes? */ 3312 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 3313 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 3314 3315 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 3316 IEEE80211_CHANCTX_SHARED); 3317 if (err) 3318 return err; 3319 3320 return ieee80211_start_mesh(sdata); 3321 } 3322 3323 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 3324 { 3325 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3326 3327 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3328 3329 ieee80211_stop_mesh(sdata); 3330 ieee80211_link_release_channel(&sdata->deflink); 3331 kfree(sdata->u.mesh.ie); 3332 3333 return 0; 3334 } 3335 #endif 3336 3337 static int ieee80211_change_bss(struct wiphy *wiphy, 3338 struct net_device *dev, 3339 struct bss_parameters *params) 3340 { 3341 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3342 struct ieee80211_link_data *link; 3343 struct ieee80211_supported_band *sband; 3344 u64 changed = 0; 3345 3346 link = ieee80211_link_or_deflink(sdata, params->link_id, true); 3347 if (IS_ERR(link)) 3348 return PTR_ERR(link); 3349 3350 if (!sdata_dereference(link->u.ap.beacon, sdata)) 3351 return -ENOENT; 3352 3353 sband = ieee80211_get_link_sband(link); 3354 if (!sband) 3355 return -EINVAL; 3356 3357 if (params->basic_rates) { 3358 if (!ieee80211_parse_bitrates(sband, 3359 params->basic_rates, 3360 params->basic_rates_len, 3361 &link->conf->basic_rates)) 3362 return -EINVAL; 3363 changed |= BSS_CHANGED_BASIC_RATES; 3364 ieee80211_check_rate_mask(link); 3365 } 3366 3367 if (params->use_cts_prot >= 0) { 3368 link->conf->use_cts_prot = params->use_cts_prot; 3369 changed |= BSS_CHANGED_ERP_CTS_PROT; 3370 } 3371 if (params->use_short_preamble >= 0) { 3372 link->conf->use_short_preamble = params->use_short_preamble; 3373 changed |= BSS_CHANGED_ERP_PREAMBLE; 3374 } 3375 3376 if (!link->conf->use_short_slot && 3377 (sband->band == NL80211_BAND_5GHZ || 3378 sband->band == NL80211_BAND_6GHZ)) { 3379 link->conf->use_short_slot = true; 3380 changed |= BSS_CHANGED_ERP_SLOT; 3381 } 3382 3383 if (params->use_short_slot_time >= 0) { 3384 link->conf->use_short_slot = params->use_short_slot_time; 3385 changed |= BSS_CHANGED_ERP_SLOT; 3386 } 3387 3388 if (params->ap_isolate >= 0) { 3389 if (params->ap_isolate) 3390 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3391 else 3392 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3393 ieee80211_check_fast_rx_iface(sdata); 3394 } 3395 3396 if (params->ht_opmode >= 0) { 3397 link->conf->ht_operation_mode = (u16)params->ht_opmode; 3398 changed |= BSS_CHANGED_HT; 3399 } 3400 3401 if (params->p2p_ctwindow >= 0) { 3402 link->conf->p2p_noa_attr.oppps_ctwindow &= 3403 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3404 link->conf->p2p_noa_attr.oppps_ctwindow |= 3405 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3406 changed |= BSS_CHANGED_P2P_PS; 3407 } 3408 3409 if (params->p2p_opp_ps > 0) { 3410 link->conf->p2p_noa_attr.oppps_ctwindow |= 3411 IEEE80211_P2P_OPPPS_ENABLE_BIT; 3412 changed |= BSS_CHANGED_P2P_PS; 3413 } else if (params->p2p_opp_ps == 0) { 3414 link->conf->p2p_noa_attr.oppps_ctwindow &= 3415 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 3416 changed |= BSS_CHANGED_P2P_PS; 3417 } 3418 3419 ieee80211_link_info_change_notify(sdata, link, changed); 3420 3421 return 0; 3422 } 3423 3424 static int ieee80211_set_txq_params(struct wiphy *wiphy, 3425 struct net_device *dev, 3426 struct ieee80211_txq_params *params) 3427 { 3428 struct ieee80211_local *local = wiphy_priv(wiphy); 3429 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3430 struct ieee80211_link_data *link = 3431 ieee80211_link_or_deflink(sdata, params->link_id, true); 3432 struct ieee80211_tx_queue_params p; 3433 3434 if (!local->ops->conf_tx) 3435 return -EOPNOTSUPP; 3436 3437 if (local->hw.queues < IEEE80211_NUM_ACS) 3438 return -EOPNOTSUPP; 3439 3440 if (IS_ERR(link)) 3441 return PTR_ERR(link); 3442 3443 memset(&p, 0, sizeof(p)); 3444 p.aifs = params->aifs; 3445 p.cw_max = params->cwmax; 3446 p.cw_min = params->cwmin; 3447 p.txop = params->txop; 3448 3449 /* 3450 * Setting tx queue params disables u-apsd because it's only 3451 * called in master mode. 3452 */ 3453 p.uapsd = false; 3454 3455 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 3456 3457 link->tx_conf[params->ac] = p; 3458 if (drv_conf_tx(local, link, params->ac, &p)) { 3459 wiphy_debug(local->hw.wiphy, 3460 "failed to set TX queue parameters for AC %d\n", 3461 params->ac); 3462 return -EINVAL; 3463 } 3464 3465 ieee80211_link_info_change_notify(sdata, link, 3466 BSS_CHANGED_QOS); 3467 3468 return 0; 3469 } 3470 3471 #ifdef CONFIG_PM 3472 static int ieee80211_suspend(struct wiphy *wiphy, 3473 struct cfg80211_wowlan *wowlan) 3474 { 3475 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 3476 } 3477 3478 static int ieee80211_resume(struct wiphy *wiphy) 3479 { 3480 return __ieee80211_resume(wiphy_priv(wiphy)); 3481 } 3482 #else 3483 #define ieee80211_suspend NULL 3484 #define ieee80211_resume NULL 3485 #endif 3486 3487 static int ieee80211_scan(struct wiphy *wiphy, 3488 struct cfg80211_scan_request *req) 3489 { 3490 struct ieee80211_sub_if_data *sdata; 3491 struct ieee80211_link_data *link; 3492 struct ieee80211_channel *chan; 3493 int radio_idx; 3494 3495 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 3496 3497 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 3498 case NL80211_IFTYPE_STATION: 3499 case NL80211_IFTYPE_ADHOC: 3500 case NL80211_IFTYPE_MESH_POINT: 3501 case NL80211_IFTYPE_P2P_CLIENT: 3502 case NL80211_IFTYPE_P2P_DEVICE: 3503 break; 3504 case NL80211_IFTYPE_P2P_GO: 3505 if (sdata->local->ops->hw_scan) 3506 break; 3507 /* 3508 * FIXME: implement NoA while scanning in software, 3509 * for now fall through to allow scanning only when 3510 * beaconing hasn't been configured yet 3511 */ 3512 fallthrough; 3513 case NL80211_IFTYPE_AP: 3514 /* 3515 * If the scan has been forced (and the driver supports 3516 * forcing), don't care about being beaconing already. 3517 * This will create problems to the attached stations (e.g. all 3518 * the frames sent while scanning on other channel will be 3519 * lost) 3520 */ 3521 for_each_link_data(sdata, link) { 3522 /* if the link is not beaconing, ignore it */ 3523 if (!sdata_dereference(link->u.ap.beacon, sdata)) 3524 continue; 3525 3526 chan = link->conf->chanreq.oper.chan; 3527 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan); 3528 3529 if (ieee80211_is_radio_idx_in_scan_req(wiphy, req, 3530 radio_idx) && 3531 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 3532 !(req->flags & NL80211_SCAN_FLAG_AP))) 3533 return -EOPNOTSUPP; 3534 } 3535 break; 3536 case NL80211_IFTYPE_NAN: 3537 case NL80211_IFTYPE_PD: 3538 default: 3539 return -EOPNOTSUPP; 3540 } 3541 3542 return ieee80211_request_scan(sdata, req); 3543 } 3544 3545 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 3546 { 3547 ieee80211_scan_cancel(wiphy_priv(wiphy)); 3548 } 3549 3550 static int 3551 ieee80211_sched_scan_start(struct wiphy *wiphy, 3552 struct net_device *dev, 3553 struct cfg80211_sched_scan_request *req) 3554 { 3555 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3556 3557 if (!sdata->local->ops->sched_scan_start) 3558 return -EOPNOTSUPP; 3559 3560 return ieee80211_request_sched_scan_start(sdata, req); 3561 } 3562 3563 static int 3564 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 3565 u64 reqid) 3566 { 3567 struct ieee80211_local *local = wiphy_priv(wiphy); 3568 3569 if (!local->ops->sched_scan_stop) 3570 return -EOPNOTSUPP; 3571 3572 return ieee80211_request_sched_scan_stop(local); 3573 } 3574 3575 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 3576 struct cfg80211_auth_request *req) 3577 { 3578 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3579 } 3580 3581 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 3582 struct cfg80211_assoc_request *req) 3583 { 3584 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3585 } 3586 3587 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 3588 struct cfg80211_deauth_request *req) 3589 { 3590 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3591 } 3592 3593 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 3594 struct cfg80211_disassoc_request *req) 3595 { 3596 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3597 } 3598 3599 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 3600 struct cfg80211_ibss_params *params) 3601 { 3602 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 3603 } 3604 3605 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 3606 { 3607 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3608 } 3609 3610 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 3611 struct ocb_setup *setup) 3612 { 3613 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 3614 } 3615 3616 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 3617 { 3618 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3619 } 3620 3621 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 3622 int rate[NUM_NL80211_BANDS]) 3623 { 3624 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3625 3626 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 3627 sizeof(int) * NUM_NL80211_BANDS); 3628 3629 if (ieee80211_sdata_running(sdata)) 3630 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3631 BSS_CHANGED_MCAST_RATE); 3632 3633 return 0; 3634 } 3635 3636 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, 3637 u32 changed) 3638 { 3639 struct ieee80211_local *local = wiphy_priv(wiphy); 3640 int err; 3641 3642 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 3643 ieee80211_check_fast_xmit_all(local); 3644 3645 err = drv_set_frag_threshold(local, radio_idx, 3646 wiphy->frag_threshold); 3647 3648 if (err) { 3649 ieee80211_check_fast_xmit_all(local); 3650 return err; 3651 } 3652 } 3653 3654 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 3655 (changed & WIPHY_PARAM_DYN_ACK)) { 3656 s16 coverage_class; 3657 3658 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 3659 wiphy->coverage_class : -1; 3660 err = drv_set_coverage_class(local, radio_idx, 3661 coverage_class); 3662 3663 if (err) 3664 return err; 3665 } 3666 3667 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 3668 u32 rts_threshold; 3669 3670 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio)) 3671 rts_threshold = wiphy->rts_threshold; 3672 else 3673 rts_threshold = 3674 wiphy->radio_cfg[radio_idx].rts_threshold; 3675 3676 err = drv_set_rts_threshold(local, radio_idx, rts_threshold); 3677 3678 if (err) 3679 return err; 3680 } 3681 3682 if (changed & WIPHY_PARAM_RETRY_SHORT) { 3683 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 3684 return -EINVAL; 3685 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 3686 } 3687 if (changed & WIPHY_PARAM_RETRY_LONG) { 3688 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 3689 return -EINVAL; 3690 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 3691 } 3692 if (changed & 3693 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 3694 ieee80211_hw_config(local, radio_idx, 3695 IEEE80211_CONF_CHANGE_RETRY_LIMITS); 3696 3697 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 3698 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 3699 WIPHY_PARAM_TXQ_QUANTUM)) 3700 ieee80211_txq_set_params(local, radio_idx); 3701 3702 return 0; 3703 } 3704 3705 static int ieee80211_set_tx_power(struct wiphy *wiphy, 3706 struct wireless_dev *wdev, int radio_idx, 3707 enum nl80211_tx_power_setting type, int mbm) 3708 { 3709 struct ieee80211_local *local = wiphy_priv(wiphy); 3710 struct ieee80211_sub_if_data *sdata; 3711 enum nl80211_tx_power_setting txp_type = type; 3712 bool update_txp_type = false; 3713 bool has_monitor = false; 3714 int user_power_level; 3715 int old_power = local->user_power_level; 3716 3717 lockdep_assert_wiphy(local->hw.wiphy); 3718 3719 switch (type) { 3720 case NL80211_TX_POWER_AUTOMATIC: 3721 user_power_level = IEEE80211_UNSET_POWER_LEVEL; 3722 txp_type = NL80211_TX_POWER_LIMITED; 3723 break; 3724 case NL80211_TX_POWER_LIMITED: 3725 case NL80211_TX_POWER_FIXED: 3726 if (mbm < 0 || (mbm % 100)) 3727 return -EOPNOTSUPP; 3728 user_power_level = MBM_TO_DBM(mbm); 3729 break; 3730 default: 3731 return -EINVAL; 3732 } 3733 3734 if (wdev) { 3735 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3736 3737 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3738 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3739 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) 3740 return -EOPNOTSUPP; 3741 3742 sdata = wiphy_dereference(local->hw.wiphy, 3743 local->monitor_sdata); 3744 if (!sdata) 3745 return -EOPNOTSUPP; 3746 } 3747 3748 for (int link_id = 0; 3749 link_id < ARRAY_SIZE(sdata->link); 3750 link_id++) { 3751 struct ieee80211_link_data *link = 3752 wiphy_dereference(wiphy, sdata->link[link_id]); 3753 3754 if (!link) 3755 continue; 3756 3757 link->user_power_level = user_power_level; 3758 3759 if (txp_type != link->conf->txpower_type) { 3760 update_txp_type = true; 3761 link->conf->txpower_type = txp_type; 3762 } 3763 3764 ieee80211_recalc_txpower(link, update_txp_type); 3765 } 3766 return 0; 3767 } 3768 3769 local->user_power_level = user_power_level; 3770 3771 list_for_each_entry(sdata, &local->interfaces, list) { 3772 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3773 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3774 has_monitor = true; 3775 continue; 3776 } 3777 3778 for (int link_id = 0; 3779 link_id < ARRAY_SIZE(sdata->link); 3780 link_id++) { 3781 struct ieee80211_link_data *link = 3782 wiphy_dereference(wiphy, sdata->link[link_id]); 3783 3784 if (!link) 3785 continue; 3786 3787 link->user_power_level = local->user_power_level; 3788 if (txp_type != link->conf->txpower_type) 3789 update_txp_type = true; 3790 link->conf->txpower_type = txp_type; 3791 } 3792 } 3793 list_for_each_entry(sdata, &local->interfaces, list) { 3794 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3795 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 3796 continue; 3797 3798 for (int link_id = 0; 3799 link_id < ARRAY_SIZE(sdata->link); 3800 link_id++) { 3801 struct ieee80211_link_data *link = 3802 wiphy_dereference(wiphy, sdata->link[link_id]); 3803 3804 if (!link) 3805 continue; 3806 3807 ieee80211_recalc_txpower(link, update_txp_type); 3808 } 3809 } 3810 3811 if (has_monitor) { 3812 sdata = wiphy_dereference(local->hw.wiphy, 3813 local->monitor_sdata); 3814 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) { 3815 sdata->deflink.user_power_level = local->user_power_level; 3816 if (txp_type != sdata->vif.bss_conf.txpower_type) 3817 update_txp_type = true; 3818 sdata->vif.bss_conf.txpower_type = txp_type; 3819 3820 ieee80211_recalc_txpower(&sdata->deflink, 3821 update_txp_type); 3822 } 3823 } 3824 3825 if (local->emulate_chanctx && 3826 (old_power != local->user_power_level)) 3827 ieee80211_hw_conf_chan(local); 3828 3829 return 0; 3830 } 3831 3832 static int ieee80211_get_tx_power(struct wiphy *wiphy, 3833 struct wireless_dev *wdev, 3834 int radio_idx, 3835 unsigned int link_id, 3836 int *dbm) 3837 { 3838 struct ieee80211_local *local = wiphy_priv(wiphy); 3839 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3840 struct ieee80211_link_data *link_data; 3841 3842 if (local->ops->get_txpower && 3843 (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) 3844 return drv_get_txpower(local, sdata, link_id, dbm); 3845 3846 if (local->emulate_chanctx) { 3847 *dbm = local->hw.conf.power_level; 3848 } else { 3849 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 3850 3851 if (link_data) 3852 *dbm = link_data->conf->txpower; 3853 else 3854 return -ENOLINK; 3855 } 3856 3857 /* INT_MIN indicates no power level was set yet */ 3858 if (*dbm == INT_MIN) 3859 return -EINVAL; 3860 3861 return 0; 3862 } 3863 3864 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 3865 { 3866 struct ieee80211_local *local = wiphy_priv(wiphy); 3867 3868 drv_rfkill_poll(local); 3869 } 3870 3871 #ifdef CONFIG_NL80211_TESTMODE 3872 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3873 struct wireless_dev *wdev, 3874 void *data, int len) 3875 { 3876 struct ieee80211_local *local = wiphy_priv(wiphy); 3877 struct ieee80211_vif *vif = NULL; 3878 3879 if (!local->ops->testmode_cmd) 3880 return -EOPNOTSUPP; 3881 3882 if (wdev) { 3883 struct ieee80211_sub_if_data *sdata; 3884 3885 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3886 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3887 vif = &sdata->vif; 3888 } 3889 3890 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3891 } 3892 3893 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3894 struct sk_buff *skb, 3895 struct netlink_callback *cb, 3896 void *data, int len) 3897 { 3898 struct ieee80211_local *local = wiphy_priv(wiphy); 3899 3900 if (!local->ops->testmode_dump) 3901 return -EOPNOTSUPP; 3902 3903 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3904 } 3905 #endif 3906 3907 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3908 struct ieee80211_link_data *link, 3909 enum ieee80211_smps_mode smps_mode) 3910 { 3911 const u8 *ap; 3912 enum ieee80211_smps_mode old_req; 3913 int err; 3914 struct sta_info *sta; 3915 bool tdls_peer_found = false; 3916 3917 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3918 3919 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3920 return -EINVAL; 3921 3922 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3923 return 0; 3924 3925 old_req = link->u.mgd.req_smps; 3926 link->u.mgd.req_smps = smps_mode; 3927 3928 /* The driver indicated that EML is enabled for the interface, which 3929 * implies that SMPS flows towards the AP should be stopped. 3930 */ 3931 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE) 3932 return 0; 3933 3934 if (old_req == smps_mode && 3935 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3936 return 0; 3937 3938 /* 3939 * If not associated, or current association is not an HT 3940 * association, there's no need to do anything, just store 3941 * the new value until we associate. 3942 */ 3943 if (!sdata->u.mgd.associated || 3944 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT) 3945 return 0; 3946 3947 ap = sdata->vif.cfg.ap_addr; 3948 3949 rcu_read_lock(); 3950 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3951 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3952 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3953 continue; 3954 3955 tdls_peer_found = true; 3956 break; 3957 } 3958 rcu_read_unlock(); 3959 3960 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3961 if (tdls_peer_found || !sdata->u.mgd.powersave) 3962 smps_mode = IEEE80211_SMPS_OFF; 3963 else 3964 smps_mode = IEEE80211_SMPS_DYNAMIC; 3965 } 3966 3967 /* send SM PS frame to AP */ 3968 err = ieee80211_send_smps_action(sdata, smps_mode, 3969 ap, ap, 3970 ieee80211_vif_is_mld(&sdata->vif) ? 3971 link->link_id : -1); 3972 if (err) 3973 link->u.mgd.req_smps = old_req; 3974 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3975 ieee80211_teardown_tdls_peers(link); 3976 3977 return err; 3978 } 3979 3980 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3981 bool enabled, int timeout) 3982 { 3983 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3984 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3985 unsigned int link_id; 3986 3987 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3988 return -EOPNOTSUPP; 3989 3990 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3991 return -EOPNOTSUPP; 3992 3993 if (enabled == sdata->u.mgd.powersave && 3994 timeout == local->dynamic_ps_forced_timeout) 3995 return 0; 3996 3997 sdata->u.mgd.powersave = enabled; 3998 local->dynamic_ps_forced_timeout = timeout; 3999 4000 /* no change, but if automatic follow powersave */ 4001 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 4002 struct ieee80211_link_data *link; 4003 4004 link = sdata_dereference(sdata->link[link_id], sdata); 4005 4006 if (!link) 4007 continue; 4008 __ieee80211_request_smps_mgd(sdata, link, 4009 link->u.mgd.req_smps); 4010 } 4011 4012 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 4013 ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS); 4014 4015 ieee80211_recalc_ps(local); 4016 ieee80211_recalc_ps_vif(sdata); 4017 ieee80211_check_fast_rx_iface(sdata); 4018 4019 return 0; 4020 } 4021 4022 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata, 4023 struct ieee80211_link_data *link, 4024 s32 rssi_thold, u32 rssi_hyst, 4025 s32 rssi_low, s32 rssi_high) 4026 { 4027 struct ieee80211_bss_conf *conf; 4028 4029 if (!link || !link->conf) 4030 return; 4031 4032 conf = link->conf; 4033 4034 if (rssi_thold && rssi_hyst && 4035 rssi_thold == conf->cqm_rssi_thold && 4036 rssi_hyst == conf->cqm_rssi_hyst) 4037 return; 4038 4039 conf->cqm_rssi_thold = rssi_thold; 4040 conf->cqm_rssi_hyst = rssi_hyst; 4041 conf->cqm_rssi_low = rssi_low; 4042 conf->cqm_rssi_high = rssi_high; 4043 link->u.mgd.last_cqm_event_signal = 0; 4044 4045 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 4046 return; 4047 4048 if (sdata->u.mgd.associated && 4049 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 4050 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM); 4051 } 4052 4053 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 4054 struct net_device *dev, 4055 s32 rssi_thold, u32 rssi_hyst) 4056 { 4057 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4058 struct ieee80211_vif *vif = &sdata->vif; 4059 int link_id; 4060 4061 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER && 4062 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 4063 return -EOPNOTSUPP; 4064 4065 /* For MLD, handle CQM change on all the active links */ 4066 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 4067 struct ieee80211_link_data *link = 4068 sdata_dereference(sdata->link[link_id], sdata); 4069 4070 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst, 4071 0, 0); 4072 } 4073 4074 return 0; 4075 } 4076 4077 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 4078 struct net_device *dev, 4079 s32 rssi_low, s32 rssi_high) 4080 { 4081 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4082 struct ieee80211_vif *vif = &sdata->vif; 4083 int link_id; 4084 4085 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) 4086 return -EOPNOTSUPP; 4087 4088 /* For MLD, handle CQM change on all the active links */ 4089 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 4090 struct ieee80211_link_data *link = 4091 sdata_dereference(sdata->link[link_id], sdata); 4092 4093 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0, 4094 rssi_low, rssi_high); 4095 } 4096 4097 return 0; 4098 } 4099 4100 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 4101 struct net_device *dev, 4102 unsigned int link_id, 4103 const u8 *addr, 4104 const struct cfg80211_bitrate_mask *mask) 4105 { 4106 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4107 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 4108 int i, ret; 4109 4110 if (!ieee80211_sdata_running(sdata)) 4111 return -ENETDOWN; 4112 4113 /* 4114 * If active validate the setting and reject it if it doesn't leave 4115 * at least one basic rate usable, since we really have to be able 4116 * to send something, and if we're an AP we have to be able to do 4117 * so at a basic rate so that all clients can receive it. 4118 */ 4119 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 4120 sdata->vif.bss_conf.chanreq.oper.chan) { 4121 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 4122 enum nl80211_band band; 4123 4124 band = sdata->vif.bss_conf.chanreq.oper.chan->band; 4125 4126 if (!(mask->control[band].legacy & basic_rates)) 4127 return -EINVAL; 4128 } 4129 4130 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 4131 ret = drv_set_bitrate_mask(local, sdata, mask); 4132 if (ret) 4133 return ret; 4134 } 4135 4136 for (i = 0; i < NUM_NL80211_BANDS; i++) { 4137 struct ieee80211_supported_band *sband = wiphy->bands[i]; 4138 int j; 4139 4140 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 4141 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 4142 sizeof(mask->control[i].ht_mcs)); 4143 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 4144 mask->control[i].vht_mcs, 4145 sizeof(mask->control[i].vht_mcs)); 4146 4147 sdata->rc_has_mcs_mask[i] = false; 4148 sdata->rc_has_vht_mcs_mask[i] = false; 4149 if (!sband) 4150 continue; 4151 4152 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 4153 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 4154 sdata->rc_has_mcs_mask[i] = true; 4155 break; 4156 } 4157 } 4158 4159 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 4160 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 4161 sdata->rc_has_vht_mcs_mask[i] = true; 4162 break; 4163 } 4164 } 4165 } 4166 4167 return 0; 4168 } 4169 4170 static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy, 4171 struct ieee80211_local *local, 4172 struct cfg80211_chan_def *chandef) 4173 { 4174 struct cfg80211_scan_request *scan_req; 4175 int chan_radio_idx, req_radio_idx; 4176 struct ieee80211_roc_work *roc; 4177 4178 if (list_empty(&local->roc_list) && !local->scanning) 4179 return false; 4180 4181 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan); 4182 4183 if (local->scanning) { 4184 scan_req = wiphy_dereference(wiphy, local->scan_req); 4185 /* 4186 * Scan is going on but info is not there. Should not happen 4187 * but if it does, let's not take risk and assume we can't use 4188 * the hw hence return true 4189 */ 4190 if (WARN_ON_ONCE(!scan_req)) 4191 return true; 4192 4193 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req, 4194 req_radio_idx); 4195 } 4196 4197 list_for_each_entry(roc, &local->roc_list, list) { 4198 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, 4199 roc->chan); 4200 if (chan_radio_idx == req_radio_idx) 4201 return true; 4202 } 4203 4204 return false; 4205 } 4206 4207 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 4208 struct net_device *dev, 4209 struct cfg80211_chan_def *chandef, 4210 u32 cac_time_ms, int link_id) 4211 { 4212 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4213 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 4214 struct ieee80211_local *local = sdata->local; 4215 struct ieee80211_link_data *link_data; 4216 int err; 4217 4218 lockdep_assert_wiphy(local->hw.wiphy); 4219 4220 if (ieee80211_is_scan_ongoing(wiphy, local, chandef)) 4221 return -EBUSY; 4222 4223 link_data = sdata_dereference(sdata->link[link_id], sdata); 4224 if (!link_data) 4225 return -ENOLINK; 4226 4227 /* whatever, but channel contexts should not complain about that one */ 4228 link_data->smps_mode = IEEE80211_SMPS_OFF; 4229 link_data->needed_rx_chains = local->rx_chains; 4230 4231 err = ieee80211_link_use_channel(link_data, &chanreq, 4232 IEEE80211_CHANCTX_SHARED); 4233 if (err) 4234 return err; 4235 4236 wiphy_hrtimer_work_queue(wiphy, &link_data->dfs_cac_timer_work, 4237 ms_to_ktime(cac_time_ms)); 4238 4239 return 0; 4240 } 4241 4242 static void ieee80211_end_cac(struct wiphy *wiphy, 4243 struct net_device *dev, unsigned int link_id) 4244 { 4245 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4246 struct ieee80211_local *local = sdata->local; 4247 struct ieee80211_link_data *link_data; 4248 4249 lockdep_assert_wiphy(local->hw.wiphy); 4250 4251 list_for_each_entry(sdata, &local->interfaces, list) { 4252 link_data = sdata_dereference(sdata->link[link_id], sdata); 4253 if (!link_data) 4254 continue; 4255 4256 wiphy_hrtimer_work_cancel(wiphy, 4257 &link_data->dfs_cac_timer_work); 4258 4259 if (sdata->wdev.links[link_id].cac_started) { 4260 ieee80211_link_release_channel(link_data); 4261 sdata->wdev.links[link_id].cac_started = false; 4262 } 4263 } 4264 } 4265 4266 static struct cfg80211_beacon_data * 4267 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 4268 { 4269 struct cfg80211_beacon_data *new_beacon; 4270 u8 *pos; 4271 int len; 4272 4273 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 4274 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 4275 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 4276 4277 if (beacon->mbssid_ies) 4278 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies, 4279 beacon->rnr_ies, 4280 beacon->mbssid_ies->cnt); 4281 4282 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 4283 if (!new_beacon) 4284 return NULL; 4285 4286 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 4287 new_beacon->mbssid_ies = 4288 kzalloc_flex(*new_beacon->mbssid_ies, elem, 4289 beacon->mbssid_ies->cnt); 4290 if (!new_beacon->mbssid_ies) { 4291 kfree(new_beacon); 4292 return NULL; 4293 } 4294 4295 if (beacon->rnr_ies && beacon->rnr_ies->cnt) { 4296 new_beacon->rnr_ies = 4297 kzalloc_flex(*new_beacon->rnr_ies, elem, 4298 beacon->rnr_ies->cnt); 4299 if (!new_beacon->rnr_ies) { 4300 kfree(new_beacon->mbssid_ies); 4301 kfree(new_beacon); 4302 return NULL; 4303 } 4304 } 4305 } 4306 4307 pos = (u8 *)(new_beacon + 1); 4308 if (beacon->head_len) { 4309 new_beacon->head_len = beacon->head_len; 4310 new_beacon->head = pos; 4311 memcpy(pos, beacon->head, beacon->head_len); 4312 pos += beacon->head_len; 4313 } 4314 if (beacon->tail_len) { 4315 new_beacon->tail_len = beacon->tail_len; 4316 new_beacon->tail = pos; 4317 memcpy(pos, beacon->tail, beacon->tail_len); 4318 pos += beacon->tail_len; 4319 } 4320 if (beacon->beacon_ies_len) { 4321 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 4322 new_beacon->beacon_ies = pos; 4323 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 4324 pos += beacon->beacon_ies_len; 4325 } 4326 if (beacon->proberesp_ies_len) { 4327 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 4328 new_beacon->proberesp_ies = pos; 4329 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 4330 pos += beacon->proberesp_ies_len; 4331 } 4332 if (beacon->assocresp_ies_len) { 4333 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 4334 new_beacon->assocresp_ies = pos; 4335 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 4336 pos += beacon->assocresp_ies_len; 4337 } 4338 if (beacon->probe_resp_len) { 4339 new_beacon->probe_resp_len = beacon->probe_resp_len; 4340 new_beacon->probe_resp = pos; 4341 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 4342 pos += beacon->probe_resp_len; 4343 } 4344 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 4345 pos += ieee80211_copy_mbssid_beacon(pos, 4346 new_beacon->mbssid_ies, 4347 beacon->mbssid_ies); 4348 if (beacon->rnr_ies && beacon->rnr_ies->cnt) 4349 pos += ieee80211_copy_rnr_beacon(pos, 4350 new_beacon->rnr_ies, 4351 beacon->rnr_ies); 4352 } 4353 4354 /* might copy -1, meaning no changes requested */ 4355 new_beacon->ftm_responder = beacon->ftm_responder; 4356 if (beacon->lci) { 4357 new_beacon->lci_len = beacon->lci_len; 4358 new_beacon->lci = pos; 4359 memcpy(pos, beacon->lci, beacon->lci_len); 4360 pos += beacon->lci_len; 4361 } 4362 if (beacon->civicloc) { 4363 new_beacon->civicloc_len = beacon->civicloc_len; 4364 new_beacon->civicloc = pos; 4365 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 4366 pos += beacon->civicloc_len; 4367 } 4368 4369 return new_beacon; 4370 } 4371 4372 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id) 4373 { 4374 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4375 struct ieee80211_local *local = sdata->local; 4376 struct ieee80211_bss_conf *tx_bss_conf; 4377 struct ieee80211_link_data *link_data; 4378 4379 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4380 return; 4381 4382 rcu_read_lock(); 4383 4384 link_data = rcu_dereference(sdata->link[link_id]); 4385 if (WARN_ON(!link_data)) { 4386 rcu_read_unlock(); 4387 return; 4388 } 4389 4390 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf); 4391 if (tx_bss_conf == link_data->conf) { 4392 /* Trigger ieee80211_csa_finish() on the non-transmitting 4393 * interfaces when channel switch is received on 4394 * transmitting interface 4395 */ 4396 struct ieee80211_link_data *iter; 4397 4398 for_each_sdata_link_rcu(local, iter) { 4399 if (iter->sdata == sdata || 4400 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf) 4401 continue; 4402 4403 wiphy_work_queue(iter->sdata->local->hw.wiphy, 4404 &iter->csa.finalize_work); 4405 } 4406 } 4407 4408 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work); 4409 4410 rcu_read_unlock(); 4411 } 4412 EXPORT_SYMBOL(ieee80211_csa_finish); 4413 4414 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif) 4415 { 4416 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4417 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4418 struct ieee80211_local *local = sdata->local; 4419 4420 sdata_info(sdata, "channel switch failed, disconnecting\n"); 4421 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work); 4422 } 4423 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 4424 4425 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data, 4426 u64 *changed) 4427 { 4428 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4429 int err; 4430 4431 switch (sdata->vif.type) { 4432 case NL80211_IFTYPE_AP: 4433 if (!link_data->u.ap.next_beacon) 4434 return -EINVAL; 4435 4436 err = ieee80211_assign_beacon(sdata, link_data, 4437 link_data->u.ap.next_beacon, 4438 NULL, NULL, changed); 4439 ieee80211_free_next_beacon(link_data); 4440 4441 if (err < 0) 4442 return err; 4443 break; 4444 case NL80211_IFTYPE_ADHOC: 4445 err = ieee80211_ibss_finish_csa(sdata, changed); 4446 if (err < 0) 4447 return err; 4448 break; 4449 #ifdef CONFIG_MAC80211_MESH 4450 case NL80211_IFTYPE_MESH_POINT: 4451 err = ieee80211_mesh_finish_csa(sdata, changed); 4452 if (err < 0) 4453 return err; 4454 break; 4455 #endif 4456 default: 4457 WARN_ON(1); 4458 return -EINVAL; 4459 } 4460 4461 return 0; 4462 } 4463 4464 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4465 { 4466 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4467 struct ieee80211_local *local = sdata->local; 4468 struct ieee80211_bss_conf *link_conf = link_data->conf; 4469 u64 changed = 0; 4470 int err; 4471 4472 lockdep_assert_wiphy(local->hw.wiphy); 4473 4474 /* 4475 * using reservation isn't immediate as it may be deferred until later 4476 * with multi-vif. once reservation is complete it will re-schedule the 4477 * work with no reserved_chanctx so verify chandef to check if it 4478 * completed successfully 4479 */ 4480 4481 if (link_data->reserved_chanctx) { 4482 /* 4483 * with multi-vif csa driver may call ieee80211_csa_finish() 4484 * many times while waiting for other interfaces to use their 4485 * reservations 4486 */ 4487 if (link_data->reserved_ready) 4488 return 0; 4489 4490 return ieee80211_link_use_reserved_context(link_data); 4491 } 4492 4493 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper, 4494 &link_data->csa.chanreq.oper)) 4495 return -EINVAL; 4496 4497 link_conf->csa_active = false; 4498 4499 err = ieee80211_set_after_csa_beacon(link_data, &changed); 4500 if (err) 4501 return err; 4502 4503 ieee80211_link_info_change_notify(sdata, link_data, changed); 4504 4505 if (sdata->vif.type == NL80211_IFTYPE_AP) 4506 ieee80211_uhr_disable_dbe_all_stas(link_data); 4507 4508 ieee80211_vif_unblock_queues_csa(sdata); 4509 4510 err = drv_post_channel_switch(link_data); 4511 if (err) 4512 return err; 4513 4514 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper, 4515 link_data->link_id); 4516 4517 return 0; 4518 } 4519 4520 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4521 { 4522 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4523 int link_id = -1; 4524 4525 if (__ieee80211_csa_finalize(link_data)) { 4526 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n", 4527 link_data->link_id); 4528 if (sdata->vif.type == NL80211_IFTYPE_AP || 4529 sdata->vif.type == NL80211_IFTYPE_P2P_GO) 4530 /* 4531 * link_id is expected only for AP/P2P_GO type 4532 * currently 4533 */ 4534 link_id = link_data->link_id; 4535 4536 cfg80211_stop_link(sdata->local->hw.wiphy, &sdata->wdev, 4537 link_id, GFP_KERNEL); 4538 } 4539 } 4540 4541 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) 4542 { 4543 struct ieee80211_link_data *link = 4544 container_of(work, struct ieee80211_link_data, csa.finalize_work); 4545 struct ieee80211_sub_if_data *sdata = link->sdata; 4546 struct ieee80211_local *local = sdata->local; 4547 4548 lockdep_assert_wiphy(local->hw.wiphy); 4549 4550 /* AP might have been stopped while waiting for the lock. */ 4551 if (!link->conf->csa_active) 4552 return; 4553 4554 if (!ieee80211_sdata_running(sdata)) 4555 return; 4556 4557 ieee80211_csa_finalize(link); 4558 } 4559 4560 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data, 4561 struct cfg80211_csa_settings *params, 4562 u64 *changed) 4563 { 4564 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4565 struct ieee80211_csa_settings csa = {}; 4566 int err; 4567 4568 switch (sdata->vif.type) { 4569 case NL80211_IFTYPE_AP: 4570 link_data->u.ap.next_beacon = 4571 cfg80211_beacon_dup(¶ms->beacon_after); 4572 if (!link_data->u.ap.next_beacon) 4573 return -ENOMEM; 4574 4575 /* 4576 * With a count of 0, we don't have to wait for any 4577 * TBTT before switching, so complete the CSA 4578 * immediately. In theory, with a count == 1 we 4579 * should delay the switch until just before the next 4580 * TBTT, but that would complicate things so we switch 4581 * immediately too. If we would delay the switch 4582 * until the next TBTT, we would have to set the probe 4583 * response here. 4584 * 4585 * TODO: A channel switch with count <= 1 without 4586 * sending a CSA action frame is kind of useless, 4587 * because the clients won't know we're changing 4588 * channels. The action frame must be implemented 4589 * either here or in the userspace. 4590 */ 4591 if (params->count <= 1) 4592 break; 4593 4594 if ((params->n_counter_offsets_beacon > 4595 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 4596 (params->n_counter_offsets_presp > 4597 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 4598 ieee80211_free_next_beacon(link_data); 4599 return -EINVAL; 4600 } 4601 4602 csa.counter_offsets_beacon = params->counter_offsets_beacon; 4603 csa.counter_offsets_presp = params->counter_offsets_presp; 4604 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 4605 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 4606 csa.count = params->count; 4607 4608 err = ieee80211_assign_beacon(sdata, link_data, 4609 ¶ms->beacon_csa, &csa, 4610 NULL, changed); 4611 if (err < 0) { 4612 ieee80211_free_next_beacon(link_data); 4613 return err; 4614 } 4615 4616 break; 4617 case NL80211_IFTYPE_ADHOC: 4618 if (!sdata->vif.cfg.ibss_joined) 4619 return -EINVAL; 4620 4621 if (params->chandef.width != sdata->u.ibss.chandef.width) 4622 return -EINVAL; 4623 4624 switch (params->chandef.width) { 4625 case NL80211_CHAN_WIDTH_40: 4626 if (cfg80211_get_chandef_type(¶ms->chandef) != 4627 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 4628 return -EINVAL; 4629 break; 4630 case NL80211_CHAN_WIDTH_20_NOHT: 4631 case NL80211_CHAN_WIDTH_20: 4632 break; 4633 default: 4634 return -EINVAL; 4635 } 4636 4637 /* changes into another band are not supported */ 4638 if (sdata->u.ibss.chandef.chan->band != 4639 params->chandef.chan->band) 4640 return -EINVAL; 4641 4642 /* see comments in the NL80211_IFTYPE_AP block */ 4643 if (params->count > 1) { 4644 err = ieee80211_ibss_csa_beacon(sdata, params, changed); 4645 if (err < 0) 4646 return err; 4647 } 4648 4649 ieee80211_send_action_csa(sdata, params); 4650 4651 break; 4652 #ifdef CONFIG_MAC80211_MESH 4653 case NL80211_IFTYPE_MESH_POINT: { 4654 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 4655 4656 /* changes into another band are not supported */ 4657 if (sdata->vif.bss_conf.chanreq.oper.chan->band != 4658 params->chandef.chan->band) 4659 return -EINVAL; 4660 4661 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 4662 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 4663 if (!ifmsh->pre_value) 4664 ifmsh->pre_value = 1; 4665 else 4666 ifmsh->pre_value++; 4667 } 4668 4669 /* see comments in the NL80211_IFTYPE_AP block */ 4670 if (params->count > 1) { 4671 err = ieee80211_mesh_csa_beacon(sdata, params, changed); 4672 if (err < 0) { 4673 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 4674 return err; 4675 } 4676 } 4677 4678 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 4679 ieee80211_send_action_csa(sdata, params); 4680 4681 break; 4682 } 4683 #endif 4684 default: 4685 return -EOPNOTSUPP; 4686 } 4687 4688 return 0; 4689 } 4690 4691 static void ieee80211_color_change_abort(struct ieee80211_link_data *link) 4692 { 4693 link->conf->color_change_active = false; 4694 4695 ieee80211_free_next_beacon(link); 4696 4697 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id); 4698 } 4699 4700 static int 4701 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4702 struct cfg80211_csa_settings *params) 4703 { 4704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4705 struct ieee80211_chan_req chanreq = { 4706 .oper = params->chandef, 4707 .require_npca = true, 4708 }; 4709 struct ieee80211_local *local = sdata->local; 4710 struct ieee80211_channel_switch ch_switch = { 4711 .link_id = params->link_id, 4712 }; 4713 struct ieee80211_chanctx_conf *conf; 4714 struct ieee80211_chanctx *chanctx; 4715 struct ieee80211_bss_conf *link_conf; 4716 struct ieee80211_link_data *link_data; 4717 u64 changed = 0; 4718 u8 link_id = params->link_id; 4719 int err; 4720 4721 lockdep_assert_wiphy(local->hw.wiphy); 4722 4723 if (ieee80211_is_scan_ongoing(wiphy, local, ¶ms->chandef)) 4724 return -EBUSY; 4725 4726 if (sdata->wdev.links[link_id].cac_started) 4727 return -EBUSY; 4728 4729 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4730 return -EINVAL; 4731 4732 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 4733 if (!link_data) 4734 return -ENOLINK; 4735 4736 link_conf = link_data->conf; 4737 4738 if (chanreq.oper.punctured && !link_conf->eht_support) 4739 return -EINVAL; 4740 4741 /* don't allow another channel switch if one is already active. */ 4742 if (link_conf->csa_active) 4743 return -EBUSY; 4744 4745 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf); 4746 if (!conf) { 4747 err = -EBUSY; 4748 goto out; 4749 } 4750 4751 if (params->chandef.chan->freq_offset) { 4752 /* this may work, but is untested */ 4753 err = -EOPNOTSUPP; 4754 goto out; 4755 } 4756 4757 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 4758 ¶ms->unsol_bcast_probe_resp, 4759 link_data, link_conf, &changed); 4760 if (err) 4761 goto out; 4762 4763 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 4764 4765 ch_switch.timestamp = 0; 4766 ch_switch.device_timestamp = 0; 4767 ch_switch.block_tx = params->block_tx; 4768 ch_switch.chandef = chanreq.oper; 4769 ch_switch.count = params->count; 4770 4771 err = drv_pre_channel_switch(sdata, &ch_switch); 4772 if (err) 4773 goto out; 4774 4775 err = ieee80211_link_reserve_chanctx(link_data, &chanreq, 4776 chanctx->mode, 4777 params->radar_required); 4778 if (err) 4779 goto out; 4780 4781 /* if reservation is invalid then this will fail */ 4782 err = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 4783 if (err) { 4784 ieee80211_link_unreserve_chanctx(link_data); 4785 goto out; 4786 } 4787 4788 /* if there is a color change in progress, abort it */ 4789 if (link_conf->color_change_active) 4790 ieee80211_color_change_abort(link_data); 4791 4792 err = ieee80211_set_csa_beacon(link_data, params, &changed); 4793 if (err) { 4794 ieee80211_link_unreserve_chanctx(link_data); 4795 goto out; 4796 } 4797 4798 link_data->csa.chanreq = chanreq; 4799 link_conf->csa_active = true; 4800 4801 if (params->block_tx) 4802 ieee80211_vif_block_queues_csa(sdata); 4803 4804 cfg80211_ch_switch_started_notify(sdata->dev, 4805 &link_data->csa.chanreq.oper, link_id, 4806 params->count, params->block_tx); 4807 4808 if (changed) { 4809 ieee80211_link_info_change_notify(sdata, link_data, changed); 4810 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper); 4811 } else { 4812 /* if the beacon didn't change, we can finalize immediately */ 4813 ieee80211_csa_finalize(link_data); 4814 } 4815 4816 out: 4817 return err; 4818 } 4819 4820 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4821 struct cfg80211_csa_settings *params) 4822 { 4823 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4824 struct ieee80211_local *local = sdata->local; 4825 4826 lockdep_assert_wiphy(local->hw.wiphy); 4827 4828 return __ieee80211_channel_switch(wiphy, dev, params); 4829 } 4830 4831 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 4832 { 4833 lockdep_assert_wiphy(local->hw.wiphy); 4834 4835 local->roc_cookie_counter++; 4836 4837 /* wow, you wrapped 64 bits ... more likely a bug */ 4838 if (WARN_ON(local->roc_cookie_counter == 0)) 4839 local->roc_cookie_counter++; 4840 4841 return local->roc_cookie_counter; 4842 } 4843 4844 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 4845 u64 *cookie, gfp_t gfp) 4846 { 4847 unsigned long spin_flags; 4848 struct sk_buff *ack_skb; 4849 int id; 4850 4851 ack_skb = skb_copy(skb, gfp); 4852 if (!ack_skb) 4853 return -ENOMEM; 4854 4855 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 4856 id = idr_alloc(&local->ack_status_frames, ack_skb, 4857 1, 0x2000, GFP_ATOMIC); 4858 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 4859 4860 if (id < 0) { 4861 kfree_skb(ack_skb); 4862 return -ENOMEM; 4863 } 4864 4865 IEEE80211_SKB_CB(skb)->status_data_idr = 1; 4866 IEEE80211_SKB_CB(skb)->status_data = id; 4867 4868 *cookie = ieee80211_mgmt_tx_cookie(local); 4869 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 4870 4871 return 0; 4872 } 4873 4874 static void 4875 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 4876 struct wireless_dev *wdev, 4877 struct mgmt_frame_regs *upd) 4878 { 4879 struct ieee80211_local *local = wiphy_priv(wiphy); 4880 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4881 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 4882 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 4883 bool global_change, intf_change; 4884 4885 global_change = 4886 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 4887 (local->rx_mcast_action_reg != 4888 !!(upd->global_mcast_stypes & action_mask)); 4889 local->probe_req_reg = upd->global_stypes & preq_mask; 4890 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 4891 4892 intf_change = (sdata->vif.probe_req_reg != 4893 !!(upd->interface_stypes & preq_mask)) || 4894 (sdata->vif.rx_mcast_action_reg != 4895 !!(upd->interface_mcast_stypes & action_mask)); 4896 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 4897 sdata->vif.rx_mcast_action_reg = 4898 upd->interface_mcast_stypes & action_mask; 4899 4900 if (!local->open_count) 4901 return; 4902 4903 if (intf_change && ieee80211_sdata_running(sdata)) 4904 drv_config_iface_filter(local, sdata, 4905 sdata->vif.probe_req_reg ? 4906 FIF_PROBE_REQ : 0, 4907 FIF_PROBE_REQ); 4908 4909 if (global_change) 4910 ieee80211_configure_filter(local); 4911 } 4912 4913 static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx, 4914 u32 tx_ant, u32 rx_ant) 4915 { 4916 struct ieee80211_local *local = wiphy_priv(wiphy); 4917 int ret; 4918 4919 if (local->started) 4920 return -EOPNOTSUPP; 4921 4922 ret = drv_set_antenna(local, tx_ant, rx_ant); 4923 if (ret) 4924 return ret; 4925 4926 local->rx_chains = hweight8(rx_ant); 4927 return 0; 4928 } 4929 4930 static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx, 4931 u32 *tx_ant, u32 *rx_ant) 4932 { 4933 struct ieee80211_local *local = wiphy_priv(wiphy); 4934 4935 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant); 4936 } 4937 4938 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 4939 struct net_device *dev, 4940 struct cfg80211_gtk_rekey_data *data) 4941 { 4942 struct ieee80211_local *local = wiphy_priv(wiphy); 4943 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4944 4945 if (!local->ops->set_rekey_data) 4946 return -EOPNOTSUPP; 4947 4948 drv_set_rekey_data(local, sdata, data); 4949 4950 return 0; 4951 } 4952 4953 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 4954 const u8 *peer, u64 *cookie) 4955 { 4956 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4957 struct ieee80211_local *local = sdata->local; 4958 struct ieee80211_qos_hdr *nullfunc; 4959 struct sk_buff *skb; 4960 int size = sizeof(*nullfunc); 4961 __le16 fc; 4962 bool qos; 4963 struct ieee80211_tx_info *info; 4964 struct sta_info *sta; 4965 struct ieee80211_chanctx_conf *chanctx_conf; 4966 struct ieee80211_bss_conf *conf; 4967 enum nl80211_band band; 4968 u8 link_id; 4969 int ret; 4970 4971 /* the lock is needed to assign the cookie later */ 4972 lockdep_assert_wiphy(local->hw.wiphy); 4973 4974 rcu_read_lock(); 4975 sta = sta_info_get_bss(sdata, peer); 4976 if (!sta) { 4977 ret = -ENOLINK; 4978 goto unlock; 4979 } 4980 4981 qos = sta->sta.wme; 4982 4983 if (ieee80211_vif_is_mld(&sdata->vif)) { 4984 if (sta->sta.mlo) { 4985 link_id = IEEE80211_LINK_UNSPECIFIED; 4986 } else { 4987 /* 4988 * For non-MLO clients connected to an AP MLD, band 4989 * information is not used; instead, sta->deflink is 4990 * used to send packets. 4991 */ 4992 link_id = sta->deflink.link_id; 4993 4994 conf = rcu_dereference(sdata->vif.link_conf[link_id]); 4995 4996 if (unlikely(!conf)) { 4997 ret = -ENOLINK; 4998 goto unlock; 4999 } 5000 } 5001 /* MLD transmissions must not rely on the band */ 5002 band = 0; 5003 } else { 5004 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 5005 if (WARN_ON(!chanctx_conf)) { 5006 ret = -EINVAL; 5007 goto unlock; 5008 } 5009 band = chanctx_conf->def.chan->band; 5010 link_id = 0; 5011 } 5012 5013 if (qos) { 5014 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 5015 IEEE80211_STYPE_QOS_NULLFUNC | 5016 IEEE80211_FCTL_FROMDS); 5017 } else { 5018 size -= 2; 5019 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 5020 IEEE80211_STYPE_NULLFUNC | 5021 IEEE80211_FCTL_FROMDS); 5022 } 5023 5024 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 5025 if (!skb) { 5026 ret = -ENOMEM; 5027 goto unlock; 5028 } 5029 5030 skb->dev = dev; 5031 5032 skb_reserve(skb, local->hw.extra_tx_headroom); 5033 5034 nullfunc = skb_put(skb, size); 5035 nullfunc->frame_control = fc; 5036 nullfunc->duration_id = 0; 5037 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 5038 if (ieee80211_vif_is_mld(&sdata->vif) && !sta->sta.mlo) { 5039 memcpy(nullfunc->addr2, conf->addr, ETH_ALEN); 5040 memcpy(nullfunc->addr3, conf->addr, ETH_ALEN); 5041 } else { 5042 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 5043 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 5044 } 5045 nullfunc->seq_ctrl = 0; 5046 5047 info = IEEE80211_SKB_CB(skb); 5048 5049 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 5050 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 5051 info->band = band; 5052 5053 info->control.flags |= u32_encode_bits(link_id, 5054 IEEE80211_TX_CTRL_MLO_LINK); 5055 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 5056 skb->priority = 7; 5057 if (qos) 5058 nullfunc->qos_ctrl = cpu_to_le16(7); 5059 5060 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 5061 if (ret) { 5062 kfree_skb(skb); 5063 goto unlock; 5064 } 5065 5066 local_bh_disable(); 5067 ieee80211_xmit(sdata, sta, skb); 5068 local_bh_enable(); 5069 5070 ret = 0; 5071 unlock: 5072 rcu_read_unlock(); 5073 5074 return ret; 5075 } 5076 5077 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 5078 struct wireless_dev *wdev, 5079 unsigned int link_id, 5080 struct cfg80211_chan_def *chandef) 5081 { 5082 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5083 struct ieee80211_local *local = wiphy_priv(wiphy); 5084 struct ieee80211_chanctx_conf *chanctx_conf; 5085 struct ieee80211_link_data *link; 5086 int ret = -ENODATA; 5087 5088 rcu_read_lock(); 5089 link = rcu_dereference(sdata->link[link_id]); 5090 if (!link) { 5091 ret = -ENOLINK; 5092 goto out; 5093 } 5094 5095 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 5096 if (chanctx_conf) { 5097 *chandef = link->conf->chanreq.oper; 5098 ret = 0; 5099 } else if (local->open_count > 0 && 5100 local->open_count == local->virt_monitors && 5101 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 5102 *chandef = local->monitor_chanreq.oper; 5103 ret = 0; 5104 } 5105 out: 5106 rcu_read_unlock(); 5107 5108 return ret; 5109 } 5110 5111 #ifdef CONFIG_PM 5112 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 5113 { 5114 drv_set_wakeup(wiphy_priv(wiphy), enabled); 5115 } 5116 #endif 5117 5118 static int ieee80211_set_qos_map(struct wiphy *wiphy, 5119 struct net_device *dev, 5120 struct cfg80211_qos_map *qos_map) 5121 { 5122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5123 struct mac80211_qos_map *new_qos_map, *old_qos_map; 5124 5125 if (qos_map) { 5126 new_qos_map = kzalloc_obj(*new_qos_map); 5127 if (!new_qos_map) 5128 return -ENOMEM; 5129 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 5130 } else { 5131 /* A NULL qos_map was passed to disable QoS mapping */ 5132 new_qos_map = NULL; 5133 } 5134 5135 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 5136 rcu_assign_pointer(sdata->qos_map, new_qos_map); 5137 if (old_qos_map) 5138 kfree_rcu(old_qos_map, rcu_head); 5139 5140 return 0; 5141 } 5142 5143 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 5144 struct net_device *dev, 5145 unsigned int link_id, 5146 struct cfg80211_chan_def *chandef) 5147 { 5148 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5149 struct ieee80211_link_data *link; 5150 struct ieee80211_chan_req chanreq = { 5151 .oper = *chandef, 5152 .require_npca = true, 5153 }; 5154 int ret; 5155 u64 changed = 0; 5156 5157 link = sdata_dereference(sdata->link[link_id], sdata); 5158 5159 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed); 5160 if (ret == 0) 5161 ieee80211_link_info_change_notify(sdata, link, changed); 5162 5163 return ret; 5164 } 5165 5166 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 5167 u8 tsid, const u8 *peer, u8 up, 5168 u16 admitted_time) 5169 { 5170 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5171 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 5172 int ac = ieee802_1d_to_ac[up]; 5173 5174 if (sdata->vif.type != NL80211_IFTYPE_STATION) 5175 return -EOPNOTSUPP; 5176 5177 if (!(sdata->wmm_acm & BIT(up))) 5178 return -EINVAL; 5179 5180 if (ifmgd->tx_tspec[ac].admitted_time) 5181 return -EBUSY; 5182 5183 if (admitted_time) { 5184 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 5185 ifmgd->tx_tspec[ac].tsid = tsid; 5186 ifmgd->tx_tspec[ac].up = up; 5187 } 5188 5189 return 0; 5190 } 5191 5192 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 5193 u8 tsid, const u8 *peer) 5194 { 5195 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5196 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 5197 struct ieee80211_local *local = wiphy_priv(wiphy); 5198 int ac; 5199 5200 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 5201 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 5202 5203 /* skip unused entries */ 5204 if (!tx_tspec->admitted_time) 5205 continue; 5206 5207 if (tx_tspec->tsid != tsid) 5208 continue; 5209 5210 /* due to this new packets will be reassigned to non-ACM ACs */ 5211 tx_tspec->up = -1; 5212 5213 /* Make sure that all packets have been sent to avoid to 5214 * restore the QoS params on packets that are still on the 5215 * queues. 5216 */ 5217 synchronize_net(); 5218 ieee80211_flush_queues(local, sdata, false); 5219 5220 /* restore the normal QoS parameters 5221 * (unconditionally to avoid races) 5222 */ 5223 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 5224 tx_tspec->downgraded = false; 5225 ieee80211_sta_handle_tspec_ac_params(sdata); 5226 5227 /* finally clear all the data */ 5228 memset(tx_tspec, 0, sizeof(*tx_tspec)); 5229 5230 return 0; 5231 } 5232 5233 return -ENOENT; 5234 } 5235 5236 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 5237 u8 inst_id, 5238 enum nl80211_nan_func_term_reason reason, 5239 gfp_t gfp) 5240 { 5241 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5242 struct cfg80211_nan_func *func; 5243 u64 cookie; 5244 5245 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5246 return; 5247 5248 if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags & 5249 WIPHY_NAN_FLAGS_USERSPACE_DE)) 5250 return; 5251 5252 spin_lock_bh(&sdata->u.nan.de.func_lock); 5253 5254 func = idr_find(&sdata->u.nan.de.function_inst_ids, inst_id); 5255 if (WARN_ON(!func)) { 5256 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5257 return; 5258 } 5259 5260 cookie = func->cookie; 5261 idr_remove(&sdata->u.nan.de.function_inst_ids, inst_id); 5262 5263 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5264 5265 cfg80211_free_nan_func(func); 5266 5267 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 5268 reason, cookie, gfp); 5269 } 5270 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 5271 5272 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 5273 struct cfg80211_nan_match_params *match, 5274 gfp_t gfp) 5275 { 5276 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5277 struct cfg80211_nan_func *func; 5278 5279 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5280 return; 5281 5282 if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags & 5283 WIPHY_NAN_FLAGS_USERSPACE_DE)) 5284 return; 5285 5286 spin_lock_bh(&sdata->u.nan.de.func_lock); 5287 5288 func = idr_find(&sdata->u.nan.de.function_inst_ids, match->inst_id); 5289 if (WARN_ON(!func)) { 5290 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5291 return; 5292 } 5293 match->cookie = func->cookie; 5294 5295 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5296 5297 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 5298 } 5299 EXPORT_SYMBOL(ieee80211_nan_func_match); 5300 5301 void ieee80211_nan_cluster_joined(struct ieee80211_vif *vif, 5302 const u8 *cluster_id, bool new_cluster, 5303 gfp_t gfp) 5304 { 5305 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5306 5307 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5308 return; 5309 5310 if (WARN_ON(!sdata->u.nan.started)) 5311 return; 5312 5313 ether_addr_copy(sdata->u.nan.conf.cluster_id, cluster_id); 5314 5315 cfg80211_nan_cluster_joined(ieee80211_vif_to_wdev(vif), cluster_id, 5316 new_cluster, gfp); 5317 } 5318 EXPORT_SYMBOL(ieee80211_nan_cluster_joined); 5319 5320 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 5321 struct net_device *dev, 5322 const bool enabled) 5323 { 5324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5325 5326 sdata->u.ap.multicast_to_unicast = enabled; 5327 5328 return 0; 5329 } 5330 5331 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 5332 struct txq_info *txqi) 5333 { 5334 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 5335 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 5336 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 5337 } 5338 5339 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 5340 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 5341 txqstats->backlog_packets = txqi->tin.backlog_packets; 5342 } 5343 5344 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 5345 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 5346 txqstats->flows = txqi->tin.flows; 5347 } 5348 5349 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 5350 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 5351 txqstats->drops = txqi->cstats.drop_count; 5352 } 5353 5354 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 5355 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 5356 txqstats->ecn_marks = txqi->cstats.ecn_mark; 5357 } 5358 5359 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 5360 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 5361 txqstats->overlimit = txqi->tin.overlimit; 5362 } 5363 5364 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 5365 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 5366 txqstats->collisions = txqi->tin.collisions; 5367 } 5368 5369 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 5370 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 5371 txqstats->tx_bytes = txqi->tin.tx_bytes; 5372 } 5373 5374 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 5375 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 5376 txqstats->tx_packets = txqi->tin.tx_packets; 5377 } 5378 } 5379 5380 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 5381 struct wireless_dev *wdev, 5382 struct cfg80211_txq_stats *txqstats) 5383 { 5384 struct ieee80211_local *local = wiphy_priv(wiphy); 5385 struct ieee80211_sub_if_data *sdata; 5386 int ret = 0; 5387 5388 spin_lock_bh(&local->fq.lock); 5389 5390 if (wdev) { 5391 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5392 if (!sdata->vif.txq) { 5393 ret = 1; 5394 goto out; 5395 } 5396 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 5397 } else { 5398 /* phy stats */ 5399 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 5400 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 5401 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 5402 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 5403 BIT(NL80211_TXQ_STATS_COLLISIONS) | 5404 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 5405 txqstats->backlog_packets = local->fq.backlog; 5406 txqstats->backlog_bytes = local->fq.memory_usage; 5407 txqstats->overlimit = local->fq.overlimit; 5408 txqstats->overmemory = local->fq.overmemory; 5409 txqstats->collisions = local->fq.collisions; 5410 txqstats->max_flows = local->fq.flows_cnt; 5411 } 5412 5413 out: 5414 spin_unlock_bh(&local->fq.lock); 5415 5416 return ret; 5417 } 5418 5419 static int 5420 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 5421 struct net_device *dev, 5422 struct cfg80211_ftm_responder_stats *ftm_stats) 5423 { 5424 struct ieee80211_local *local = wiphy_priv(wiphy); 5425 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5426 5427 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 5428 } 5429 5430 static int 5431 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 5432 struct cfg80211_pmsr_request *request) 5433 { 5434 struct ieee80211_local *local = wiphy_priv(wiphy); 5435 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 5436 5437 return drv_start_pmsr(local, sdata, request); 5438 } 5439 5440 static void 5441 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 5442 struct cfg80211_pmsr_request *request) 5443 { 5444 struct ieee80211_local *local = wiphy_priv(wiphy); 5445 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 5446 5447 return drv_abort_pmsr(local, sdata, request); 5448 } 5449 5450 static int ieee80211_set_tid_config(struct wiphy *wiphy, 5451 struct net_device *dev, 5452 struct cfg80211_tid_config *tid_conf) 5453 { 5454 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5455 struct sta_info *sta; 5456 5457 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5458 5459 if (!sdata->local->ops->set_tid_config) 5460 return -EOPNOTSUPP; 5461 5462 if (!tid_conf->peer) 5463 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 5464 5465 sta = sta_info_get_bss(sdata, tid_conf->peer); 5466 if (!sta) 5467 return -ENOENT; 5468 5469 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 5470 } 5471 5472 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 5473 struct net_device *dev, 5474 const u8 *peer, u8 tids) 5475 { 5476 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5477 struct sta_info *sta; 5478 5479 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5480 5481 if (!sdata->local->ops->reset_tid_config) 5482 return -EOPNOTSUPP; 5483 5484 if (!peer) 5485 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 5486 5487 sta = sta_info_get_bss(sdata, peer); 5488 if (!sta) 5489 return -ENOENT; 5490 5491 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 5492 } 5493 5494 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 5495 struct cfg80211_sar_specs *sar) 5496 { 5497 struct ieee80211_local *local = wiphy_priv(wiphy); 5498 5499 if (!local->ops->set_sar_specs) 5500 return -EOPNOTSUPP; 5501 5502 return local->ops->set_sar_specs(&local->hw, sar); 5503 } 5504 5505 static int 5506 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link, 5507 u64 *changed) 5508 { 5509 struct ieee80211_sub_if_data *sdata = link->sdata; 5510 5511 switch (sdata->vif.type) { 5512 case NL80211_IFTYPE_AP: { 5513 int ret; 5514 5515 if (!link->u.ap.next_beacon) 5516 return -EINVAL; 5517 5518 ret = ieee80211_assign_beacon(sdata, link, 5519 link->u.ap.next_beacon, 5520 NULL, NULL, changed); 5521 ieee80211_free_next_beacon(link); 5522 5523 if (ret < 0) 5524 return ret; 5525 5526 break; 5527 } 5528 default: 5529 WARN_ON_ONCE(1); 5530 return -EINVAL; 5531 } 5532 5533 return 0; 5534 } 5535 5536 static int 5537 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link, 5538 struct cfg80211_color_change_settings *params, 5539 u64 *changed) 5540 { 5541 struct ieee80211_sub_if_data *sdata = link->sdata; 5542 struct ieee80211_color_change_settings color_change = {}; 5543 int err; 5544 5545 switch (sdata->vif.type) { 5546 case NL80211_IFTYPE_AP: 5547 link->u.ap.next_beacon = 5548 cfg80211_beacon_dup(¶ms->beacon_next); 5549 if (!link->u.ap.next_beacon) 5550 return -ENOMEM; 5551 5552 if (params->count <= 1) 5553 break; 5554 5555 color_change.counter_offset_beacon = 5556 params->counter_offset_beacon; 5557 color_change.counter_offset_presp = 5558 params->counter_offset_presp; 5559 color_change.count = params->count; 5560 5561 err = ieee80211_assign_beacon(sdata, link, 5562 ¶ms->beacon_color_change, 5563 NULL, &color_change, changed); 5564 if (err < 0) { 5565 ieee80211_free_next_beacon(link); 5566 return err; 5567 } 5568 break; 5569 default: 5570 return -EOPNOTSUPP; 5571 } 5572 5573 return 0; 5574 } 5575 5576 static void 5577 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link, 5578 u8 color, int enable, u64 changed) 5579 { 5580 struct ieee80211_sub_if_data *sdata = link->sdata; 5581 5582 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5583 5584 link->conf->he_bss_color.color = color; 5585 link->conf->he_bss_color.enabled = enable; 5586 changed |= BSS_CHANGED_HE_BSS_COLOR; 5587 5588 ieee80211_link_info_change_notify(sdata, link, changed); 5589 5590 if (!link->conf->nontransmitted && 5591 rcu_access_pointer(link->conf->tx_bss_conf)) { 5592 struct ieee80211_link_data *tmp; 5593 5594 for_each_sdata_link(sdata->local, tmp) { 5595 if (tmp->sdata == sdata || 5596 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf) 5597 continue; 5598 5599 tmp->conf->he_bss_color.color = color; 5600 tmp->conf->he_bss_color.enabled = enable; 5601 ieee80211_link_info_change_notify(tmp->sdata, tmp, 5602 BSS_CHANGED_HE_BSS_COLOR); 5603 } 5604 } 5605 } 5606 5607 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link) 5608 { 5609 struct ieee80211_sub_if_data *sdata = link->sdata; 5610 struct ieee80211_local *local = sdata->local; 5611 u64 changed = 0; 5612 int err; 5613 5614 lockdep_assert_wiphy(local->hw.wiphy); 5615 5616 link->conf->color_change_active = false; 5617 5618 err = ieee80211_set_after_color_change_beacon(link, &changed); 5619 if (err) { 5620 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id); 5621 return err; 5622 } 5623 5624 ieee80211_color_change_bss_config_notify(link, 5625 link->conf->color_change_color, 5626 1, changed); 5627 cfg80211_color_change_notify(sdata->dev, link->link_id); 5628 5629 return 0; 5630 } 5631 5632 void ieee80211_color_change_finalize_work(struct wiphy *wiphy, 5633 struct wiphy_work *work) 5634 { 5635 struct ieee80211_link_data *link = 5636 container_of(work, struct ieee80211_link_data, 5637 color_change_finalize_work); 5638 struct ieee80211_sub_if_data *sdata = link->sdata; 5639 struct ieee80211_bss_conf *link_conf = link->conf; 5640 struct ieee80211_local *local = sdata->local; 5641 5642 lockdep_assert_wiphy(local->hw.wiphy); 5643 5644 /* AP might have been stopped while waiting for the lock. */ 5645 if (!link_conf->color_change_active) 5646 return; 5647 5648 if (!ieee80211_sdata_running(sdata)) 5649 return; 5650 5651 ieee80211_color_change_finalize(link); 5652 } 5653 5654 void ieee80211_color_collision_detection_work(struct wiphy *wiphy, 5655 struct wiphy_work *work) 5656 { 5657 struct ieee80211_link_data *link = 5658 container_of(work, struct ieee80211_link_data, 5659 color_collision_detect_work.work); 5660 struct ieee80211_sub_if_data *sdata = link->sdata; 5661 5662 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap, 5663 link->link_id); 5664 } 5665 5666 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id) 5667 { 5668 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5669 struct ieee80211_link_data *link; 5670 5671 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5672 return; 5673 5674 rcu_read_lock(); 5675 5676 link = rcu_dereference(sdata->link[link_id]); 5677 if (WARN_ON(!link)) { 5678 rcu_read_unlock(); 5679 return; 5680 } 5681 5682 wiphy_work_queue(sdata->local->hw.wiphy, 5683 &link->color_change_finalize_work); 5684 5685 rcu_read_unlock(); 5686 } 5687 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 5688 5689 void 5690 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 5691 u64 color_bitmap, u8 link_id) 5692 { 5693 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5694 struct ieee80211_link_data *link; 5695 5696 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5697 return; 5698 5699 rcu_read_lock(); 5700 5701 link = rcu_dereference(sdata->link[link_id]); 5702 if (WARN_ON(!link)) { 5703 rcu_read_unlock(); 5704 return; 5705 } 5706 5707 if (link->conf->color_change_active || link->conf->csa_active) { 5708 rcu_read_unlock(); 5709 return; 5710 } 5711 5712 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy, 5713 &link->color_collision_detect_work)) { 5714 rcu_read_unlock(); 5715 return; 5716 } 5717 5718 link->color_bitmap = color_bitmap; 5719 /* queue the color collision detection event every 500 ms in order to 5720 * avoid sending too much netlink messages to userspace. 5721 */ 5722 wiphy_delayed_work_queue(sdata->local->hw.wiphy, 5723 &link->color_collision_detect_work, 5724 msecs_to_jiffies(500)); 5725 5726 rcu_read_unlock(); 5727 } 5728 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify); 5729 5730 static int 5731 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 5732 struct cfg80211_color_change_settings *params) 5733 { 5734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5735 struct ieee80211_local *local = sdata->local; 5736 struct ieee80211_bss_conf *link_conf; 5737 struct ieee80211_link_data *link; 5738 u8 link_id = params->link_id; 5739 u64 changed = 0; 5740 int err; 5741 5742 lockdep_assert_wiphy(local->hw.wiphy); 5743 5744 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5745 return -EINVAL; 5746 5747 link = wiphy_dereference(wiphy, sdata->link[link_id]); 5748 if (!link) 5749 return -ENOLINK; 5750 5751 link_conf = link->conf; 5752 5753 if (link_conf->nontransmitted) 5754 return -EINVAL; 5755 5756 /* don't allow another color change if one is already active or if csa 5757 * is active 5758 */ 5759 if (link_conf->color_change_active || link_conf->csa_active) { 5760 err = -EBUSY; 5761 goto out; 5762 } 5763 5764 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 5765 ¶ms->unsol_bcast_probe_resp, 5766 link, link_conf, &changed); 5767 if (err) 5768 goto out; 5769 5770 err = ieee80211_set_color_change_beacon(link, params, &changed); 5771 if (err) 5772 goto out; 5773 5774 link_conf->color_change_active = true; 5775 link_conf->color_change_color = params->color; 5776 5777 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id); 5778 5779 if (changed) 5780 ieee80211_color_change_bss_config_notify(link, 0, 0, changed); 5781 else 5782 /* if the beacon didn't change, we can finalize immediately */ 5783 ieee80211_color_change_finalize(link); 5784 5785 out: 5786 5787 return err; 5788 } 5789 5790 static int 5791 ieee80211_set_radar_background(struct wiphy *wiphy, 5792 struct cfg80211_chan_def *chandef) 5793 { 5794 struct ieee80211_local *local = wiphy_priv(wiphy); 5795 5796 if (!local->ops->set_radar_background) 5797 return -EOPNOTSUPP; 5798 5799 return local->ops->set_radar_background(&local->hw, chandef); 5800 } 5801 5802 static int ieee80211_add_intf_link(struct wiphy *wiphy, 5803 struct wireless_dev *wdev, 5804 unsigned int link_id) 5805 { 5806 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5807 5808 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5809 5810 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0); 5811 } 5812 5813 static void ieee80211_del_intf_link(struct wiphy *wiphy, 5814 struct wireless_dev *wdev, 5815 unsigned int link_id) 5816 { 5817 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5818 u16 new_links = wdev->valid_links & ~BIT(link_id); 5819 5820 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5821 5822 /* During the link teardown process, certain functions require the 5823 * link_id to remain in the valid_links bitmap. Therefore, instead 5824 * of removing the link_id from the bitmap, pass a masked value to 5825 * simulate as if link_id does not exist anymore. 5826 */ 5827 ieee80211_vif_set_links(sdata, new_links, 0); 5828 } 5829 5830 static int 5831 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 5832 struct link_station_parameters *params) 5833 { 5834 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5835 struct ieee80211_local *local = wiphy_priv(wiphy); 5836 struct sta_info *sta; 5837 int ret; 5838 5839 lockdep_assert_wiphy(local->hw.wiphy); 5840 5841 sta = sta_info_get_bss(sdata, params->mld_mac); 5842 if (!sta) 5843 return -ENOENT; 5844 5845 if (!sta->sta.valid_links) 5846 return -EINVAL; 5847 5848 if (sta->sta.valid_links & BIT(params->link_id)) 5849 return -EALREADY; 5850 5851 ret = ieee80211_sta_allocate_link(sta, params->link_id); 5852 if (ret) 5853 return ret; 5854 5855 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params); 5856 if (ret) { 5857 ieee80211_sta_free_link(sta, params->link_id); 5858 return ret; 5859 } 5860 5861 if (test_sta_flag(sta, WLAN_STA_ASSOC)) { 5862 struct link_sta_info *link_sta; 5863 5864 link_sta = sdata_dereference(sta->link[params->link_id], sdata); 5865 rate_control_rate_init(link_sta); 5866 } 5867 5868 /* ieee80211_sta_activate_link frees the link upon failure */ 5869 return ieee80211_sta_activate_link(sta, params->link_id); 5870 } 5871 5872 static int 5873 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 5874 struct link_station_parameters *params) 5875 { 5876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5877 struct ieee80211_local *local = wiphy_priv(wiphy); 5878 struct sta_info *sta; 5879 5880 lockdep_assert_wiphy(local->hw.wiphy); 5881 5882 sta = sta_info_get_bss(sdata, params->mld_mac); 5883 if (!sta) 5884 return -ENOENT; 5885 5886 if (!(sta->sta.valid_links & BIT(params->link_id))) 5887 return -EINVAL; 5888 5889 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY, 5890 params); 5891 } 5892 5893 static int 5894 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 5895 struct link_station_del_parameters *params) 5896 { 5897 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5898 struct sta_info *sta; 5899 5900 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5901 5902 sta = sta_info_get_bss(sdata, params->mld_mac); 5903 if (!sta) 5904 return -ENOENT; 5905 5906 if (!(sta->sta.valid_links & BIT(params->link_id))) 5907 return -EINVAL; 5908 5909 /* must not create a STA without links */ 5910 if (sta->sta.valid_links == BIT(params->link_id)) 5911 return -EINVAL; 5912 5913 ieee80211_sta_remove_link(sta, params->link_id); 5914 5915 return 0; 5916 } 5917 5918 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy, 5919 struct net_device *dev, 5920 struct cfg80211_set_hw_timestamp *hwts) 5921 { 5922 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5923 struct ieee80211_local *local = sdata->local; 5924 5925 if (!local->ops->set_hw_timestamp) 5926 return -EOPNOTSUPP; 5927 5928 if (!check_sdata_in_driver(sdata)) 5929 return -EIO; 5930 5931 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts); 5932 } 5933 5934 static int 5935 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev, 5936 struct cfg80211_ttlm_params *params) 5937 { 5938 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5939 5940 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5941 5942 return ieee80211_req_neg_ttlm(sdata, params); 5943 } 5944 5945 static int 5946 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev, 5947 struct cfg80211_ml_reconf_req *req) 5948 { 5949 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5950 5951 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5952 5953 return ieee80211_mgd_assoc_ml_reconf(sdata, req); 5954 } 5955 5956 static int 5957 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable) 5958 { 5959 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5960 5961 return ieee80211_mgd_set_epcs(sdata, enable); 5962 } 5963 5964 static int 5965 ieee80211_set_local_nan_sched(struct wiphy *wiphy, 5966 struct wireless_dev *wdev, 5967 struct cfg80211_nan_local_sched *sched) 5968 { 5969 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5970 5971 lockdep_assert_wiphy(wiphy); 5972 5973 return ieee80211_nan_set_local_sched(sdata, sched); 5974 } 5975 5976 static int 5977 ieee80211_set_peer_nan_sched(struct wiphy *wiphy, 5978 struct wireless_dev *wdev, 5979 struct cfg80211_nan_peer_sched *sched) 5980 { 5981 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5982 5983 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5984 5985 return ieee80211_nan_set_peer_sched(sdata, sched); 5986 } 5987 5988 const struct cfg80211_ops mac80211_config_ops = { 5989 .add_virtual_intf = ieee80211_add_iface, 5990 .del_virtual_intf = ieee80211_del_iface, 5991 .change_virtual_intf = ieee80211_change_iface, 5992 .start_p2p_device = ieee80211_start_p2p_device, 5993 .stop_p2p_device = ieee80211_stop_p2p_device, 5994 .add_key = ieee80211_add_key, 5995 .del_key = ieee80211_del_key, 5996 .get_key = ieee80211_get_key, 5997 .set_default_key = ieee80211_config_default_key, 5998 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 5999 .set_default_beacon_key = ieee80211_config_default_beacon_key, 6000 .start_ap = ieee80211_start_ap, 6001 .change_beacon = ieee80211_change_beacon, 6002 .stop_ap = ieee80211_stop_ap, 6003 .add_station = ieee80211_add_station, 6004 .del_station = ieee80211_del_station, 6005 .change_station = ieee80211_change_station, 6006 .get_station = ieee80211_get_station, 6007 .dump_station = ieee80211_dump_station, 6008 .dump_survey = ieee80211_dump_survey, 6009 #ifdef CONFIG_MAC80211_MESH 6010 .add_mpath = ieee80211_add_mpath, 6011 .del_mpath = ieee80211_del_mpath, 6012 .change_mpath = ieee80211_change_mpath, 6013 .get_mpath = ieee80211_get_mpath, 6014 .dump_mpath = ieee80211_dump_mpath, 6015 .get_mpp = ieee80211_get_mpp, 6016 .dump_mpp = ieee80211_dump_mpp, 6017 .update_mesh_config = ieee80211_update_mesh_config, 6018 .get_mesh_config = ieee80211_get_mesh_config, 6019 .join_mesh = ieee80211_join_mesh, 6020 .leave_mesh = ieee80211_leave_mesh, 6021 #endif 6022 .join_ocb = ieee80211_join_ocb, 6023 .leave_ocb = ieee80211_leave_ocb, 6024 .change_bss = ieee80211_change_bss, 6025 .inform_bss = ieee80211_inform_bss, 6026 .set_txq_params = ieee80211_set_txq_params, 6027 .set_monitor_channel = ieee80211_set_monitor_channel, 6028 .suspend = ieee80211_suspend, 6029 .resume = ieee80211_resume, 6030 .scan = ieee80211_scan, 6031 .abort_scan = ieee80211_abort_scan, 6032 .sched_scan_start = ieee80211_sched_scan_start, 6033 .sched_scan_stop = ieee80211_sched_scan_stop, 6034 .auth = ieee80211_auth, 6035 .assoc = ieee80211_assoc, 6036 .deauth = ieee80211_deauth, 6037 .disassoc = ieee80211_disassoc, 6038 .join_ibss = ieee80211_join_ibss, 6039 .leave_ibss = ieee80211_leave_ibss, 6040 .set_mcast_rate = ieee80211_set_mcast_rate, 6041 .set_wiphy_params = ieee80211_set_wiphy_params, 6042 .set_tx_power = ieee80211_set_tx_power, 6043 .get_tx_power = ieee80211_get_tx_power, 6044 .rfkill_poll = ieee80211_rfkill_poll, 6045 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 6046 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 6047 .set_power_mgmt = ieee80211_set_power_mgmt, 6048 .set_bitrate_mask = ieee80211_set_bitrate_mask, 6049 .remain_on_channel = ieee80211_remain_on_channel, 6050 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 6051 .mgmt_tx = ieee80211_mgmt_tx, 6052 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 6053 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 6054 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 6055 .update_mgmt_frame_registrations = 6056 ieee80211_update_mgmt_frame_registrations, 6057 .set_antenna = ieee80211_set_antenna, 6058 .get_antenna = ieee80211_get_antenna, 6059 .set_rekey_data = ieee80211_set_rekey_data, 6060 .tdls_oper = ieee80211_tdls_oper, 6061 .tdls_mgmt = ieee80211_tdls_mgmt, 6062 .tdls_channel_switch = ieee80211_tdls_channel_switch, 6063 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 6064 .probe_client = ieee80211_probe_client, 6065 .set_noack_map = ieee80211_set_noack_map, 6066 #ifdef CONFIG_PM 6067 .set_wakeup = ieee80211_set_wakeup, 6068 #endif 6069 .get_channel = ieee80211_cfg_get_channel, 6070 .start_radar_detection = ieee80211_start_radar_detection, 6071 .end_cac = ieee80211_end_cac, 6072 .channel_switch = ieee80211_channel_switch, 6073 .set_qos_map = ieee80211_set_qos_map, 6074 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 6075 .add_tx_ts = ieee80211_add_tx_ts, 6076 .del_tx_ts = ieee80211_del_tx_ts, 6077 .start_nan = ieee80211_start_nan, 6078 .stop_nan = ieee80211_stop_nan, 6079 .nan_change_conf = ieee80211_nan_change_conf, 6080 .add_nan_func = ieee80211_add_nan_func, 6081 .del_nan_func = ieee80211_del_nan_func, 6082 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 6083 .tx_control_port = ieee80211_tx_control_port, 6084 .get_txq_stats = ieee80211_get_txq_stats, 6085 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 6086 .start_pmsr = ieee80211_start_pmsr, 6087 .abort_pmsr = ieee80211_abort_pmsr, 6088 .probe_mesh_link = ieee80211_probe_mesh_link, 6089 .set_tid_config = ieee80211_set_tid_config, 6090 .reset_tid_config = ieee80211_reset_tid_config, 6091 .set_sar_specs = ieee80211_set_sar_specs, 6092 .color_change = ieee80211_color_change, 6093 .set_radar_background = ieee80211_set_radar_background, 6094 .add_intf_link = ieee80211_add_intf_link, 6095 .del_intf_link = ieee80211_del_intf_link, 6096 .add_link_station = ieee80211_add_link_station, 6097 .mod_link_station = ieee80211_mod_link_station, 6098 .del_link_station = ieee80211_del_link_station, 6099 .set_hw_timestamp = ieee80211_set_hw_timestamp, 6100 .set_ttlm = ieee80211_set_ttlm, 6101 .get_radio_mask = ieee80211_get_radio_mask, 6102 .assoc_ml_reconf = ieee80211_assoc_ml_reconf, 6103 .set_epcs = ieee80211_set_epcs, 6104 .nan_set_local_sched = ieee80211_set_local_nan_sched, 6105 .nan_set_peer_sched = ieee80211_set_peer_nan_sched, 6106 }; 6107