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 sta->deflink.pub->agg = nmi_sta->deflink.pub->agg; 2616 __ieee80211_sta_recalc_aggregates(sta, 0); 2617 } 2618 2619 /* set the STA state after all sta info from usermode has been set */ 2620 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 2621 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 2622 ret = sta_apply_auth_flags(local, sta, mask, set); 2623 if (ret) 2624 return ret; 2625 } 2626 2627 /* Mark the STA as MLO if MLD MAC address is available */ 2628 if (params->link_sta_params.mld_mac) 2629 sta->sta.mlo = true; 2630 2631 return 0; 2632 } 2633 2634 static int ieee80211_add_station(struct wiphy *wiphy, struct wireless_dev *wdev, 2635 const u8 *mac, 2636 struct station_parameters *params) 2637 { 2638 struct ieee80211_local *local = wiphy_priv(wiphy); 2639 struct sta_info *sta; 2640 struct ieee80211_sub_if_data *sdata; 2641 int err; 2642 2643 lockdep_assert_wiphy(local->hw.wiphy); 2644 2645 if (params->vlan) { 2646 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2647 2648 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 2649 sdata->vif.type != NL80211_IFTYPE_AP) 2650 return -EINVAL; 2651 } else 2652 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2653 2654 if (ether_addr_equal(mac, sdata->vif.addr)) 2655 return -EINVAL; 2656 2657 if (!is_valid_ether_addr(mac)) 2658 return -EINVAL; 2659 2660 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 2661 sdata->vif.type == NL80211_IFTYPE_STATION && 2662 !sdata->u.mgd.associated) 2663 return -EINVAL; 2664 2665 /* 2666 * If we have a link ID, it can be a non-MLO station on an AP MLD, 2667 * but we need to have a link_mac in that case as well, so use the 2668 * STA's MAC address in that case. 2669 */ 2670 if (params->link_sta_params.link_id >= 0) 2671 sta = sta_info_alloc_with_link(sdata, mac, 2672 params->link_sta_params.link_id, 2673 params->link_sta_params.link_mac ?: mac, 2674 GFP_KERNEL); 2675 else 2676 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 2677 2678 if (!sta) 2679 return -ENOMEM; 2680 2681 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2682 sta->sta.tdls = true; 2683 2684 /* Though the mutex is not needed here (since the station is not 2685 * visible yet), sta_apply_parameters (and inner functions) require 2686 * the mutex due to other paths. 2687 */ 2688 err = sta_apply_parameters(local, sta, params); 2689 if (err) { 2690 sta_info_free(local, sta); 2691 return err; 2692 } 2693 2694 /* 2695 * for TDLS and for unassociated station, rate control should be 2696 * initialized only when rates are known and station is marked 2697 * authorized/associated 2698 */ 2699 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2700 test_sta_flag(sta, WLAN_STA_ASSOC)) 2701 rate_control_rate_init_all_links(sta); 2702 2703 err = sta_info_insert(sta); 2704 2705 /* 2706 * ieee80211_nan_update_ndi_carrier was called from sta_apply_parameters, 2707 * but then we did not have the STA in the list. 2708 */ 2709 if (!err && sdata->vif.type == NL80211_IFTYPE_NAN_DATA) 2710 ieee80211_nan_update_ndi_carrier(sta->sdata); 2711 return err; 2712 } 2713 2714 static int ieee80211_del_station(struct wiphy *wiphy, struct wireless_dev *wdev, 2715 struct station_del_parameters *params) 2716 { 2717 struct ieee80211_sub_if_data *sdata; 2718 2719 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2720 2721 if (params->mac) 2722 return sta_info_destroy_addr_bss(sdata, params->mac); 2723 2724 sta_info_flush(sdata, params->link_id); 2725 return 0; 2726 } 2727 2728 static int ieee80211_set_sta_4addr(struct ieee80211_local *local, 2729 struct ieee80211_sub_if_data *sdata, 2730 struct sta_info *sta) 2731 { 2732 struct ieee80211_vif *vif = &sdata->vif; 2733 struct wiphy *wiphy = local->hw.wiphy; 2734 struct ieee80211_sub_if_data *master; 2735 struct ieee80211_bss_conf *link_conf; 2736 struct wireless_dev *wdev; 2737 unsigned long master_iter; 2738 int link_id; 2739 int err; 2740 2741 lockdep_assert_wiphy(local->hw.wiphy); 2742 2743 if (sdata->u.vlan.sta) 2744 return -EBUSY; 2745 2746 wdev = &sdata->wdev; 2747 master = container_of(sdata->bss, 2748 struct ieee80211_sub_if_data, 2749 u.ap); 2750 2751 if (sta->sta.valid_links) { 2752 u16 sta_links = sta->sta.valid_links; 2753 u16 new_links = master->vif.valid_links & sta_links; 2754 u16 orig_links = wdev->valid_links; 2755 2756 wdev->valid_links = new_links; 2757 2758 err = ieee80211_vif_set_links(sdata, new_links, 0); 2759 if (err) { 2760 wdev->valid_links = orig_links; 2761 return err; 2762 } 2763 2764 master_iter = master->vif.valid_links; 2765 2766 for_each_set_bit(link_id, &master_iter, 2767 IEEE80211_MLD_MAX_NUM_LINKS) { 2768 if (!(sta_links & BIT(link_id))) { 2769 eth_zero_addr(wdev->links[link_id].addr); 2770 } else { 2771 link_conf = wiphy_dereference(wiphy, 2772 vif->link_conf[link_id]); 2773 2774 ether_addr_copy(wdev->links[link_id].addr, 2775 link_conf->bssid); 2776 } 2777 } 2778 } 2779 2780 rcu_assign_pointer(sdata->u.vlan.sta, sta); 2781 __ieee80211_check_fast_rx_iface(sdata); 2782 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2783 2784 return 0; 2785 } 2786 2787 static int ieee80211_change_station(struct wiphy *wiphy, 2788 struct wireless_dev *wdev, const u8 *mac, 2789 struct station_parameters *params) 2790 { 2791 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2792 struct ieee80211_local *local = wiphy_priv(wiphy); 2793 struct sta_info *sta; 2794 struct ieee80211_sub_if_data *vlansdata; 2795 enum cfg80211_station_type statype; 2796 int err; 2797 2798 lockdep_assert_wiphy(local->hw.wiphy); 2799 2800 sta = sta_info_get_bss(sdata, mac); 2801 if (!sta) 2802 return -ENOENT; 2803 2804 switch (sdata->vif.type) { 2805 case NL80211_IFTYPE_MESH_POINT: 2806 if (sdata->u.mesh.user_mpm) 2807 statype = CFG80211_STA_MESH_PEER_USER; 2808 else 2809 statype = CFG80211_STA_MESH_PEER_KERNEL; 2810 break; 2811 case NL80211_IFTYPE_ADHOC: 2812 statype = CFG80211_STA_IBSS; 2813 break; 2814 case NL80211_IFTYPE_STATION: 2815 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2816 statype = CFG80211_STA_AP_STA; 2817 break; 2818 } 2819 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2820 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2821 else 2822 statype = CFG80211_STA_TDLS_PEER_SETUP; 2823 break; 2824 case NL80211_IFTYPE_AP: 2825 case NL80211_IFTYPE_AP_VLAN: 2826 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2827 statype = CFG80211_STA_AP_CLIENT; 2828 else 2829 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2830 break; 2831 case NL80211_IFTYPE_NAN: 2832 statype = CFG80211_STA_NAN_MGMT; 2833 break; 2834 case NL80211_IFTYPE_NAN_DATA: 2835 statype = CFG80211_STA_NAN_DATA; 2836 break; 2837 default: 2838 return -EOPNOTSUPP; 2839 } 2840 2841 err = cfg80211_check_station_change(wiphy, params, statype); 2842 if (err) 2843 return err; 2844 2845 if (params->vlan && params->vlan != sta->sdata->dev) { 2846 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2847 2848 if (params->vlan->ieee80211_ptr->use_4addr) { 2849 err = ieee80211_set_sta_4addr(local, vlansdata, sta); 2850 if (err) 2851 return err; 2852 2853 } 2854 2855 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2856 sta->sdata->u.vlan.sta) 2857 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2858 2859 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2860 ieee80211_vif_dec_num_mcast(sta->sdata); 2861 2862 sta->sdata = vlansdata; 2863 ieee80211_check_fast_rx(sta); 2864 ieee80211_check_fast_xmit(sta); 2865 2866 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2867 ieee80211_vif_inc_num_mcast(sta->sdata); 2868 cfg80211_send_layer2_update(sta->sdata->dev, 2869 sta->sta.addr); 2870 } 2871 } 2872 2873 /* NAN capabilties should not change */ 2874 if (statype == CFG80211_STA_NAN_DATA && 2875 sta->deflink.pub->ht_cap.ht_supported && 2876 (params->link_sta_params.ht_capa || 2877 params->link_sta_params.vht_capa || 2878 params->link_sta_params.he_capa)) 2879 return -EINVAL; 2880 2881 err = sta_apply_parameters(local, sta, params); 2882 if (err) 2883 return err; 2884 2885 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2886 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2887 ieee80211_recalc_ps(local); 2888 ieee80211_recalc_ps_vif(sdata); 2889 } 2890 2891 return 0; 2892 } 2893 2894 #ifdef CONFIG_MAC80211_MESH 2895 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2896 const u8 *dst, const u8 *next_hop) 2897 { 2898 struct ieee80211_sub_if_data *sdata; 2899 struct mesh_path *mpath; 2900 struct sta_info *sta; 2901 2902 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2903 2904 rcu_read_lock(); 2905 sta = sta_info_get(sdata, next_hop); 2906 if (!sta) { 2907 rcu_read_unlock(); 2908 return -ENOENT; 2909 } 2910 2911 mpath = mesh_path_add(sdata, dst); 2912 if (IS_ERR(mpath)) { 2913 rcu_read_unlock(); 2914 return PTR_ERR(mpath); 2915 } 2916 2917 mesh_path_fix_nexthop(mpath, sta); 2918 2919 rcu_read_unlock(); 2920 return 0; 2921 } 2922 2923 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2924 const u8 *dst) 2925 { 2926 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2927 2928 if (dst) 2929 return mesh_path_del(sdata, dst); 2930 2931 mesh_path_flush_by_iface(sdata); 2932 return 0; 2933 } 2934 2935 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2936 const u8 *dst, const u8 *next_hop) 2937 { 2938 struct ieee80211_sub_if_data *sdata; 2939 struct mesh_path *mpath; 2940 struct sta_info *sta; 2941 2942 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2943 2944 rcu_read_lock(); 2945 2946 sta = sta_info_get(sdata, next_hop); 2947 if (!sta) { 2948 rcu_read_unlock(); 2949 return -ENOENT; 2950 } 2951 2952 mpath = mesh_path_lookup(sdata, dst); 2953 if (!mpath) { 2954 rcu_read_unlock(); 2955 return -ENOENT; 2956 } 2957 2958 mesh_path_fix_nexthop(mpath, sta); 2959 2960 rcu_read_unlock(); 2961 return 0; 2962 } 2963 2964 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2965 struct mpath_info *pinfo) 2966 { 2967 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2968 2969 if (next_hop_sta) 2970 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2971 else 2972 eth_zero_addr(next_hop); 2973 2974 memset(pinfo, 0, sizeof(*pinfo)); 2975 2976 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2977 2978 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2979 MPATH_INFO_SN | 2980 MPATH_INFO_METRIC | 2981 MPATH_INFO_EXPTIME | 2982 MPATH_INFO_DISCOVERY_TIMEOUT | 2983 MPATH_INFO_DISCOVERY_RETRIES | 2984 MPATH_INFO_FLAGS | 2985 MPATH_INFO_HOP_COUNT | 2986 MPATH_INFO_PATH_CHANGE; 2987 2988 pinfo->frame_qlen = mpath->frame_queue.qlen; 2989 pinfo->sn = mpath->sn; 2990 pinfo->metric = mpath->metric; 2991 if (time_before(jiffies, mpath->exp_time)) 2992 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2993 pinfo->discovery_timeout = 2994 jiffies_to_msecs(mpath->discovery_timeout); 2995 pinfo->discovery_retries = mpath->discovery_retries; 2996 if (mpath->flags & MESH_PATH_ACTIVE) 2997 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2998 if (mpath->flags & MESH_PATH_RESOLVING) 2999 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 3000 if (mpath->flags & MESH_PATH_SN_VALID) 3001 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 3002 if (mpath->flags & MESH_PATH_FIXED) 3003 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 3004 if (mpath->flags & MESH_PATH_RESOLVED) 3005 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 3006 pinfo->hop_count = mpath->hop_count; 3007 pinfo->path_change_count = mpath->path_change_count; 3008 } 3009 3010 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 3011 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 3012 3013 { 3014 struct ieee80211_sub_if_data *sdata; 3015 struct mesh_path *mpath; 3016 3017 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3018 3019 rcu_read_lock(); 3020 mpath = mesh_path_lookup(sdata, dst); 3021 if (!mpath) { 3022 rcu_read_unlock(); 3023 return -ENOENT; 3024 } 3025 memcpy(dst, mpath->dst, ETH_ALEN); 3026 mpath_set_pinfo(mpath, next_hop, pinfo); 3027 rcu_read_unlock(); 3028 return 0; 3029 } 3030 3031 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 3032 int idx, u8 *dst, u8 *next_hop, 3033 struct mpath_info *pinfo) 3034 { 3035 struct ieee80211_sub_if_data *sdata; 3036 struct mesh_path *mpath; 3037 3038 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3039 3040 rcu_read_lock(); 3041 mpath = mesh_path_lookup_by_idx(sdata, idx); 3042 if (!mpath) { 3043 rcu_read_unlock(); 3044 return -ENOENT; 3045 } 3046 memcpy(dst, mpath->dst, ETH_ALEN); 3047 mpath_set_pinfo(mpath, next_hop, pinfo); 3048 rcu_read_unlock(); 3049 return 0; 3050 } 3051 3052 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 3053 struct mpath_info *pinfo) 3054 { 3055 memset(pinfo, 0, sizeof(*pinfo)); 3056 memcpy(mpp, mpath->mpp, ETH_ALEN); 3057 3058 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 3059 } 3060 3061 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 3062 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 3063 3064 { 3065 struct ieee80211_sub_if_data *sdata; 3066 struct mesh_path *mpath; 3067 3068 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3069 3070 rcu_read_lock(); 3071 mpath = mpp_path_lookup(sdata, dst); 3072 if (!mpath) { 3073 rcu_read_unlock(); 3074 return -ENOENT; 3075 } 3076 memcpy(dst, mpath->dst, ETH_ALEN); 3077 mpp_set_pinfo(mpath, mpp, pinfo); 3078 rcu_read_unlock(); 3079 return 0; 3080 } 3081 3082 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 3083 int idx, u8 *dst, u8 *mpp, 3084 struct mpath_info *pinfo) 3085 { 3086 struct ieee80211_sub_if_data *sdata; 3087 struct mesh_path *mpath; 3088 3089 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3090 3091 rcu_read_lock(); 3092 mpath = mpp_path_lookup_by_idx(sdata, idx); 3093 if (!mpath) { 3094 rcu_read_unlock(); 3095 return -ENOENT; 3096 } 3097 memcpy(dst, mpath->dst, ETH_ALEN); 3098 mpp_set_pinfo(mpath, mpp, pinfo); 3099 rcu_read_unlock(); 3100 return 0; 3101 } 3102 3103 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 3104 struct net_device *dev, 3105 struct mesh_config *conf) 3106 { 3107 struct ieee80211_sub_if_data *sdata; 3108 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3109 3110 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 3111 return 0; 3112 } 3113 3114 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 3115 { 3116 return (mask >> (parm-1)) & 0x1; 3117 } 3118 3119 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 3120 const struct mesh_setup *setup) 3121 { 3122 u8 *new_ie; 3123 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 3124 struct ieee80211_sub_if_data, u.mesh); 3125 int i; 3126 3127 /* allocate information elements */ 3128 new_ie = NULL; 3129 3130 if (setup->ie_len) { 3131 new_ie = kmemdup(setup->ie, setup->ie_len, 3132 GFP_KERNEL); 3133 if (!new_ie) 3134 return -ENOMEM; 3135 } 3136 ifmsh->ie_len = setup->ie_len; 3137 ifmsh->ie = new_ie; 3138 3139 /* now copy the rest of the setup parameters */ 3140 ifmsh->mesh_id_len = setup->mesh_id_len; 3141 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 3142 ifmsh->mesh_sp_id = setup->sync_method; 3143 ifmsh->mesh_pp_id = setup->path_sel_proto; 3144 ifmsh->mesh_pm_id = setup->path_metric; 3145 ifmsh->user_mpm = setup->user_mpm; 3146 ifmsh->mesh_auth_id = setup->auth_id; 3147 ifmsh->security = IEEE80211_MESH_SEC_NONE; 3148 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 3149 if (setup->is_authenticated) 3150 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 3151 if (setup->is_secure) 3152 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 3153 3154 /* mcast rate setting in Mesh Node */ 3155 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 3156 sizeof(setup->mcast_rate)); 3157 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 3158 3159 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 3160 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 3161 3162 sdata->beacon_rate_set = false; 3163 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 3164 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 3165 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3166 sdata->beacon_rateidx_mask[i] = 3167 setup->beacon_rate.control[i].legacy; 3168 if (sdata->beacon_rateidx_mask[i]) 3169 sdata->beacon_rate_set = true; 3170 } 3171 } 3172 3173 return 0; 3174 } 3175 3176 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 3177 struct net_device *dev, u32 mask, 3178 const struct mesh_config *nconf) 3179 { 3180 struct mesh_config *conf; 3181 struct ieee80211_sub_if_data *sdata; 3182 struct ieee80211_if_mesh *ifmsh; 3183 3184 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3185 ifmsh = &sdata->u.mesh; 3186 3187 /* Set the config options which we are interested in setting */ 3188 conf = &(sdata->u.mesh.mshcfg); 3189 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 3190 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 3191 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 3192 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 3193 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 3194 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 3195 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 3196 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 3197 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 3198 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 3199 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 3200 conf->dot11MeshTTL = nconf->dot11MeshTTL; 3201 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 3202 conf->element_ttl = nconf->element_ttl; 3203 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 3204 if (ifmsh->user_mpm) 3205 return -EBUSY; 3206 conf->auto_open_plinks = nconf->auto_open_plinks; 3207 } 3208 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 3209 conf->dot11MeshNbrOffsetMaxNeighbor = 3210 nconf->dot11MeshNbrOffsetMaxNeighbor; 3211 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 3212 conf->dot11MeshHWMPmaxPREQretries = 3213 nconf->dot11MeshHWMPmaxPREQretries; 3214 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 3215 conf->path_refresh_time = nconf->path_refresh_time; 3216 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 3217 conf->min_discovery_timeout = nconf->min_discovery_timeout; 3218 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 3219 conf->dot11MeshHWMPactivePathTimeout = 3220 nconf->dot11MeshHWMPactivePathTimeout; 3221 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 3222 conf->dot11MeshHWMPpreqMinInterval = 3223 nconf->dot11MeshHWMPpreqMinInterval; 3224 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 3225 conf->dot11MeshHWMPperrMinInterval = 3226 nconf->dot11MeshHWMPperrMinInterval; 3227 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 3228 mask)) 3229 conf->dot11MeshHWMPnetDiameterTraversalTime = 3230 nconf->dot11MeshHWMPnetDiameterTraversalTime; 3231 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 3232 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 3233 ieee80211_mesh_root_setup(ifmsh); 3234 } 3235 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 3236 /* our current gate announcement implementation rides on root 3237 * announcements, so require this ifmsh to also be a root node 3238 * */ 3239 if (nconf->dot11MeshGateAnnouncementProtocol && 3240 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 3241 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 3242 ieee80211_mesh_root_setup(ifmsh); 3243 } 3244 conf->dot11MeshGateAnnouncementProtocol = 3245 nconf->dot11MeshGateAnnouncementProtocol; 3246 } 3247 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 3248 conf->dot11MeshHWMPRannInterval = 3249 nconf->dot11MeshHWMPRannInterval; 3250 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 3251 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 3252 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 3253 /* our RSSI threshold implementation is supported only for 3254 * devices that report signal in dBm. 3255 */ 3256 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 3257 return -EOPNOTSUPP; 3258 conf->rssi_threshold = nconf->rssi_threshold; 3259 } 3260 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 3261 conf->ht_opmode = nconf->ht_opmode; 3262 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 3263 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3264 BSS_CHANGED_HT); 3265 } 3266 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 3267 conf->dot11MeshHWMPactivePathToRootTimeout = 3268 nconf->dot11MeshHWMPactivePathToRootTimeout; 3269 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 3270 conf->dot11MeshHWMProotInterval = 3271 nconf->dot11MeshHWMProotInterval; 3272 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 3273 conf->dot11MeshHWMPconfirmationInterval = 3274 nconf->dot11MeshHWMPconfirmationInterval; 3275 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 3276 conf->power_mode = nconf->power_mode; 3277 ieee80211_mps_local_status_update(sdata); 3278 } 3279 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 3280 conf->dot11MeshAwakeWindowDuration = 3281 nconf->dot11MeshAwakeWindowDuration; 3282 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 3283 conf->plink_timeout = nconf->plink_timeout; 3284 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 3285 conf->dot11MeshConnectedToMeshGate = 3286 nconf->dot11MeshConnectedToMeshGate; 3287 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 3288 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 3289 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 3290 conf->dot11MeshConnectedToAuthServer = 3291 nconf->dot11MeshConnectedToAuthServer; 3292 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 3293 return 0; 3294 } 3295 3296 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 3297 const struct mesh_config *conf, 3298 const struct mesh_setup *setup) 3299 { 3300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3301 struct ieee80211_chan_req chanreq = { .oper = setup->chandef }; 3302 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3303 int err; 3304 3305 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3306 3307 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 3308 err = copy_mesh_setup(ifmsh, setup); 3309 if (err) 3310 return err; 3311 3312 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 3313 3314 /* can mesh use other SMPS modes? */ 3315 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 3316 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 3317 3318 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 3319 IEEE80211_CHANCTX_SHARED); 3320 if (err) 3321 return err; 3322 3323 return ieee80211_start_mesh(sdata); 3324 } 3325 3326 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 3327 { 3328 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3329 3330 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3331 3332 ieee80211_stop_mesh(sdata); 3333 ieee80211_link_release_channel(&sdata->deflink); 3334 kfree(sdata->u.mesh.ie); 3335 3336 return 0; 3337 } 3338 #endif 3339 3340 static int ieee80211_change_bss(struct wiphy *wiphy, 3341 struct net_device *dev, 3342 struct bss_parameters *params) 3343 { 3344 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3345 struct ieee80211_link_data *link; 3346 struct ieee80211_supported_band *sband; 3347 u64 changed = 0; 3348 3349 link = ieee80211_link_or_deflink(sdata, params->link_id, true); 3350 if (IS_ERR(link)) 3351 return PTR_ERR(link); 3352 3353 if (!sdata_dereference(link->u.ap.beacon, sdata)) 3354 return -ENOENT; 3355 3356 sband = ieee80211_get_link_sband(link); 3357 if (!sband) 3358 return -EINVAL; 3359 3360 if (params->basic_rates) { 3361 if (!ieee80211_parse_bitrates(sband, 3362 params->basic_rates, 3363 params->basic_rates_len, 3364 &link->conf->basic_rates)) 3365 return -EINVAL; 3366 changed |= BSS_CHANGED_BASIC_RATES; 3367 ieee80211_check_rate_mask(link); 3368 } 3369 3370 if (params->use_cts_prot >= 0) { 3371 link->conf->use_cts_prot = params->use_cts_prot; 3372 changed |= BSS_CHANGED_ERP_CTS_PROT; 3373 } 3374 if (params->use_short_preamble >= 0) { 3375 link->conf->use_short_preamble = params->use_short_preamble; 3376 changed |= BSS_CHANGED_ERP_PREAMBLE; 3377 } 3378 3379 if (!link->conf->use_short_slot && 3380 (sband->band == NL80211_BAND_5GHZ || 3381 sband->band == NL80211_BAND_6GHZ)) { 3382 link->conf->use_short_slot = true; 3383 changed |= BSS_CHANGED_ERP_SLOT; 3384 } 3385 3386 if (params->use_short_slot_time >= 0) { 3387 link->conf->use_short_slot = params->use_short_slot_time; 3388 changed |= BSS_CHANGED_ERP_SLOT; 3389 } 3390 3391 if (params->ap_isolate >= 0) { 3392 if (params->ap_isolate) 3393 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3394 else 3395 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3396 ieee80211_check_fast_rx_iface(sdata); 3397 } 3398 3399 if (params->ht_opmode >= 0) { 3400 link->conf->ht_operation_mode = (u16)params->ht_opmode; 3401 changed |= BSS_CHANGED_HT; 3402 } 3403 3404 if (params->p2p_ctwindow >= 0) { 3405 link->conf->p2p_noa_attr.oppps_ctwindow &= 3406 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3407 link->conf->p2p_noa_attr.oppps_ctwindow |= 3408 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3409 changed |= BSS_CHANGED_P2P_PS; 3410 } 3411 3412 if (params->p2p_opp_ps > 0) { 3413 link->conf->p2p_noa_attr.oppps_ctwindow |= 3414 IEEE80211_P2P_OPPPS_ENABLE_BIT; 3415 changed |= BSS_CHANGED_P2P_PS; 3416 } else if (params->p2p_opp_ps == 0) { 3417 link->conf->p2p_noa_attr.oppps_ctwindow &= 3418 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 3419 changed |= BSS_CHANGED_P2P_PS; 3420 } 3421 3422 ieee80211_link_info_change_notify(sdata, link, changed); 3423 3424 return 0; 3425 } 3426 3427 static int ieee80211_set_txq_params(struct wiphy *wiphy, 3428 struct net_device *dev, 3429 struct ieee80211_txq_params *params) 3430 { 3431 struct ieee80211_local *local = wiphy_priv(wiphy); 3432 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3433 struct ieee80211_link_data *link = 3434 ieee80211_link_or_deflink(sdata, params->link_id, true); 3435 struct ieee80211_tx_queue_params p; 3436 3437 if (!local->ops->conf_tx) 3438 return -EOPNOTSUPP; 3439 3440 if (local->hw.queues < IEEE80211_NUM_ACS) 3441 return -EOPNOTSUPP; 3442 3443 if (IS_ERR(link)) 3444 return PTR_ERR(link); 3445 3446 memset(&p, 0, sizeof(p)); 3447 p.aifs = params->aifs; 3448 p.cw_max = params->cwmax; 3449 p.cw_min = params->cwmin; 3450 p.txop = params->txop; 3451 3452 /* 3453 * Setting tx queue params disables u-apsd because it's only 3454 * called in master mode. 3455 */ 3456 p.uapsd = false; 3457 3458 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 3459 3460 link->tx_conf[params->ac] = p; 3461 if (drv_conf_tx(local, link, params->ac, &p)) { 3462 wiphy_debug(local->hw.wiphy, 3463 "failed to set TX queue parameters for AC %d\n", 3464 params->ac); 3465 return -EINVAL; 3466 } 3467 3468 ieee80211_link_info_change_notify(sdata, link, 3469 BSS_CHANGED_QOS); 3470 3471 return 0; 3472 } 3473 3474 #ifdef CONFIG_PM 3475 static int ieee80211_suspend(struct wiphy *wiphy, 3476 struct cfg80211_wowlan *wowlan) 3477 { 3478 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 3479 } 3480 3481 static int ieee80211_resume(struct wiphy *wiphy) 3482 { 3483 return __ieee80211_resume(wiphy_priv(wiphy)); 3484 } 3485 #else 3486 #define ieee80211_suspend NULL 3487 #define ieee80211_resume NULL 3488 #endif 3489 3490 static int ieee80211_scan(struct wiphy *wiphy, 3491 struct cfg80211_scan_request *req) 3492 { 3493 struct ieee80211_sub_if_data *sdata; 3494 struct ieee80211_link_data *link; 3495 struct ieee80211_channel *chan; 3496 int radio_idx; 3497 3498 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 3499 3500 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 3501 case NL80211_IFTYPE_STATION: 3502 case NL80211_IFTYPE_ADHOC: 3503 case NL80211_IFTYPE_MESH_POINT: 3504 case NL80211_IFTYPE_P2P_CLIENT: 3505 case NL80211_IFTYPE_P2P_DEVICE: 3506 break; 3507 case NL80211_IFTYPE_P2P_GO: 3508 if (sdata->local->ops->hw_scan) 3509 break; 3510 /* 3511 * FIXME: implement NoA while scanning in software, 3512 * for now fall through to allow scanning only when 3513 * beaconing hasn't been configured yet 3514 */ 3515 fallthrough; 3516 case NL80211_IFTYPE_AP: 3517 /* 3518 * If the scan has been forced (and the driver supports 3519 * forcing), don't care about being beaconing already. 3520 * This will create problems to the attached stations (e.g. all 3521 * the frames sent while scanning on other channel will be 3522 * lost) 3523 */ 3524 for_each_link_data(sdata, link) { 3525 /* if the link is not beaconing, ignore it */ 3526 if (!sdata_dereference(link->u.ap.beacon, sdata)) 3527 continue; 3528 3529 chan = link->conf->chanreq.oper.chan; 3530 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan); 3531 3532 if (ieee80211_is_radio_idx_in_scan_req(wiphy, req, 3533 radio_idx) && 3534 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 3535 !(req->flags & NL80211_SCAN_FLAG_AP))) 3536 return -EOPNOTSUPP; 3537 } 3538 break; 3539 case NL80211_IFTYPE_NAN: 3540 case NL80211_IFTYPE_PD: 3541 default: 3542 return -EOPNOTSUPP; 3543 } 3544 3545 return ieee80211_request_scan(sdata, req); 3546 } 3547 3548 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 3549 { 3550 ieee80211_scan_cancel(wiphy_priv(wiphy)); 3551 } 3552 3553 static int 3554 ieee80211_sched_scan_start(struct wiphy *wiphy, 3555 struct net_device *dev, 3556 struct cfg80211_sched_scan_request *req) 3557 { 3558 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3559 3560 if (!sdata->local->ops->sched_scan_start) 3561 return -EOPNOTSUPP; 3562 3563 return ieee80211_request_sched_scan_start(sdata, req); 3564 } 3565 3566 static int 3567 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 3568 u64 reqid) 3569 { 3570 struct ieee80211_local *local = wiphy_priv(wiphy); 3571 3572 if (!local->ops->sched_scan_stop) 3573 return -EOPNOTSUPP; 3574 3575 return ieee80211_request_sched_scan_stop(local); 3576 } 3577 3578 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 3579 struct cfg80211_auth_request *req) 3580 { 3581 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3582 } 3583 3584 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 3585 struct cfg80211_assoc_request *req) 3586 { 3587 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3588 } 3589 3590 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 3591 struct cfg80211_deauth_request *req) 3592 { 3593 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3594 } 3595 3596 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 3597 struct cfg80211_disassoc_request *req) 3598 { 3599 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3600 } 3601 3602 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 3603 struct cfg80211_ibss_params *params) 3604 { 3605 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 3606 } 3607 3608 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 3609 { 3610 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3611 } 3612 3613 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 3614 struct ocb_setup *setup) 3615 { 3616 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 3617 } 3618 3619 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 3620 { 3621 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3622 } 3623 3624 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 3625 int rate[NUM_NL80211_BANDS]) 3626 { 3627 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3628 3629 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 3630 sizeof(int) * NUM_NL80211_BANDS); 3631 3632 if (ieee80211_sdata_running(sdata)) 3633 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3634 BSS_CHANGED_MCAST_RATE); 3635 3636 return 0; 3637 } 3638 3639 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, 3640 u32 changed) 3641 { 3642 struct ieee80211_local *local = wiphy_priv(wiphy); 3643 int err; 3644 3645 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 3646 ieee80211_check_fast_xmit_all(local); 3647 3648 err = drv_set_frag_threshold(local, radio_idx, 3649 wiphy->frag_threshold); 3650 3651 if (err) { 3652 ieee80211_check_fast_xmit_all(local); 3653 return err; 3654 } 3655 } 3656 3657 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 3658 (changed & WIPHY_PARAM_DYN_ACK)) { 3659 s16 coverage_class; 3660 3661 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 3662 wiphy->coverage_class : -1; 3663 err = drv_set_coverage_class(local, radio_idx, 3664 coverage_class); 3665 3666 if (err) 3667 return err; 3668 } 3669 3670 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 3671 u32 rts_threshold; 3672 3673 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio)) 3674 rts_threshold = wiphy->rts_threshold; 3675 else 3676 rts_threshold = 3677 wiphy->radio_cfg[radio_idx].rts_threshold; 3678 3679 err = drv_set_rts_threshold(local, radio_idx, rts_threshold); 3680 3681 if (err) 3682 return err; 3683 } 3684 3685 if (changed & WIPHY_PARAM_RETRY_SHORT) { 3686 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 3687 return -EINVAL; 3688 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 3689 } 3690 if (changed & WIPHY_PARAM_RETRY_LONG) { 3691 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 3692 return -EINVAL; 3693 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 3694 } 3695 if (changed & 3696 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 3697 ieee80211_hw_config(local, radio_idx, 3698 IEEE80211_CONF_CHANGE_RETRY_LIMITS); 3699 3700 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 3701 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 3702 WIPHY_PARAM_TXQ_QUANTUM)) 3703 ieee80211_txq_set_params(local, radio_idx); 3704 3705 return 0; 3706 } 3707 3708 static int ieee80211_set_tx_power(struct wiphy *wiphy, 3709 struct wireless_dev *wdev, int radio_idx, 3710 enum nl80211_tx_power_setting type, int mbm) 3711 { 3712 struct ieee80211_local *local = wiphy_priv(wiphy); 3713 struct ieee80211_sub_if_data *sdata; 3714 enum nl80211_tx_power_setting txp_type = type; 3715 bool update_txp_type = false; 3716 bool has_monitor = false; 3717 int user_power_level; 3718 int old_power = local->user_power_level; 3719 3720 lockdep_assert_wiphy(local->hw.wiphy); 3721 3722 switch (type) { 3723 case NL80211_TX_POWER_AUTOMATIC: 3724 user_power_level = IEEE80211_UNSET_POWER_LEVEL; 3725 txp_type = NL80211_TX_POWER_LIMITED; 3726 break; 3727 case NL80211_TX_POWER_LIMITED: 3728 case NL80211_TX_POWER_FIXED: 3729 if (mbm < 0 || (mbm % 100)) 3730 return -EOPNOTSUPP; 3731 user_power_level = MBM_TO_DBM(mbm); 3732 break; 3733 default: 3734 return -EINVAL; 3735 } 3736 3737 if (wdev) { 3738 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3739 3740 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3741 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3742 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) 3743 return -EOPNOTSUPP; 3744 3745 sdata = wiphy_dereference(local->hw.wiphy, 3746 local->monitor_sdata); 3747 if (!sdata) 3748 return -EOPNOTSUPP; 3749 } 3750 3751 for (int link_id = 0; 3752 link_id < ARRAY_SIZE(sdata->link); 3753 link_id++) { 3754 struct ieee80211_link_data *link = 3755 wiphy_dereference(wiphy, sdata->link[link_id]); 3756 3757 if (!link) 3758 continue; 3759 3760 link->user_power_level = user_power_level; 3761 3762 if (txp_type != link->conf->txpower_type) { 3763 update_txp_type = true; 3764 link->conf->txpower_type = txp_type; 3765 } 3766 3767 ieee80211_recalc_txpower(link, update_txp_type); 3768 } 3769 return 0; 3770 } 3771 3772 local->user_power_level = user_power_level; 3773 3774 list_for_each_entry(sdata, &local->interfaces, list) { 3775 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3776 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3777 has_monitor = true; 3778 continue; 3779 } 3780 3781 for (int link_id = 0; 3782 link_id < ARRAY_SIZE(sdata->link); 3783 link_id++) { 3784 struct ieee80211_link_data *link = 3785 wiphy_dereference(wiphy, sdata->link[link_id]); 3786 3787 if (!link) 3788 continue; 3789 3790 link->user_power_level = local->user_power_level; 3791 if (txp_type != link->conf->txpower_type) 3792 update_txp_type = true; 3793 link->conf->txpower_type = txp_type; 3794 } 3795 } 3796 list_for_each_entry(sdata, &local->interfaces, list) { 3797 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3798 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 3799 continue; 3800 3801 for (int link_id = 0; 3802 link_id < ARRAY_SIZE(sdata->link); 3803 link_id++) { 3804 struct ieee80211_link_data *link = 3805 wiphy_dereference(wiphy, sdata->link[link_id]); 3806 3807 if (!link) 3808 continue; 3809 3810 ieee80211_recalc_txpower(link, update_txp_type); 3811 } 3812 } 3813 3814 if (has_monitor) { 3815 sdata = wiphy_dereference(local->hw.wiphy, 3816 local->monitor_sdata); 3817 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) { 3818 sdata->deflink.user_power_level = local->user_power_level; 3819 if (txp_type != sdata->vif.bss_conf.txpower_type) 3820 update_txp_type = true; 3821 sdata->vif.bss_conf.txpower_type = txp_type; 3822 3823 ieee80211_recalc_txpower(&sdata->deflink, 3824 update_txp_type); 3825 } 3826 } 3827 3828 if (local->emulate_chanctx && 3829 (old_power != local->user_power_level)) 3830 ieee80211_hw_conf_chan(local); 3831 3832 return 0; 3833 } 3834 3835 static int ieee80211_get_tx_power(struct wiphy *wiphy, 3836 struct wireless_dev *wdev, 3837 int radio_idx, 3838 unsigned int link_id, 3839 int *dbm) 3840 { 3841 struct ieee80211_local *local = wiphy_priv(wiphy); 3842 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3843 struct ieee80211_link_data *link_data; 3844 3845 if (local->ops->get_txpower && 3846 (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) 3847 return drv_get_txpower(local, sdata, link_id, dbm); 3848 3849 if (local->emulate_chanctx) { 3850 *dbm = local->hw.conf.power_level; 3851 } else { 3852 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 3853 3854 if (link_data) 3855 *dbm = link_data->conf->txpower; 3856 else 3857 return -ENOLINK; 3858 } 3859 3860 /* INT_MIN indicates no power level was set yet */ 3861 if (*dbm == INT_MIN) 3862 return -EINVAL; 3863 3864 return 0; 3865 } 3866 3867 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 3868 { 3869 struct ieee80211_local *local = wiphy_priv(wiphy); 3870 3871 drv_rfkill_poll(local); 3872 } 3873 3874 #ifdef CONFIG_NL80211_TESTMODE 3875 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3876 struct wireless_dev *wdev, 3877 void *data, int len) 3878 { 3879 struct ieee80211_local *local = wiphy_priv(wiphy); 3880 struct ieee80211_vif *vif = NULL; 3881 3882 if (!local->ops->testmode_cmd) 3883 return -EOPNOTSUPP; 3884 3885 if (wdev) { 3886 struct ieee80211_sub_if_data *sdata; 3887 3888 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3889 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3890 vif = &sdata->vif; 3891 } 3892 3893 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3894 } 3895 3896 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3897 struct sk_buff *skb, 3898 struct netlink_callback *cb, 3899 void *data, int len) 3900 { 3901 struct ieee80211_local *local = wiphy_priv(wiphy); 3902 3903 if (!local->ops->testmode_dump) 3904 return -EOPNOTSUPP; 3905 3906 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3907 } 3908 #endif 3909 3910 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3911 struct ieee80211_link_data *link, 3912 enum ieee80211_smps_mode smps_mode) 3913 { 3914 const u8 *ap; 3915 enum ieee80211_smps_mode old_req; 3916 int err; 3917 struct sta_info *sta; 3918 bool tdls_peer_found = false; 3919 3920 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3921 3922 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3923 return -EINVAL; 3924 3925 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3926 return 0; 3927 3928 old_req = link->u.mgd.req_smps; 3929 link->u.mgd.req_smps = smps_mode; 3930 3931 /* The driver indicated that EML is enabled for the interface, which 3932 * implies that SMPS flows towards the AP should be stopped. 3933 */ 3934 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE) 3935 return 0; 3936 3937 if (old_req == smps_mode && 3938 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3939 return 0; 3940 3941 /* 3942 * If not associated, or current association is not an HT 3943 * association, there's no need to do anything, just store 3944 * the new value until we associate. 3945 */ 3946 if (!sdata->u.mgd.associated || 3947 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT) 3948 return 0; 3949 3950 ap = sdata->vif.cfg.ap_addr; 3951 3952 rcu_read_lock(); 3953 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3954 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3955 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3956 continue; 3957 3958 tdls_peer_found = true; 3959 break; 3960 } 3961 rcu_read_unlock(); 3962 3963 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3964 if (tdls_peer_found || !sdata->u.mgd.powersave) 3965 smps_mode = IEEE80211_SMPS_OFF; 3966 else 3967 smps_mode = IEEE80211_SMPS_DYNAMIC; 3968 } 3969 3970 /* send SM PS frame to AP */ 3971 err = ieee80211_send_smps_action(sdata, smps_mode, 3972 ap, ap, 3973 ieee80211_vif_is_mld(&sdata->vif) ? 3974 link->link_id : -1); 3975 if (err) 3976 link->u.mgd.req_smps = old_req; 3977 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3978 ieee80211_teardown_tdls_peers(link); 3979 3980 return err; 3981 } 3982 3983 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3984 bool enabled, int timeout) 3985 { 3986 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3987 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3988 unsigned int link_id; 3989 3990 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3991 return -EOPNOTSUPP; 3992 3993 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3994 return -EOPNOTSUPP; 3995 3996 if (enabled == sdata->u.mgd.powersave && 3997 timeout == local->dynamic_ps_forced_timeout) 3998 return 0; 3999 4000 sdata->u.mgd.powersave = enabled; 4001 local->dynamic_ps_forced_timeout = timeout; 4002 4003 /* no change, but if automatic follow powersave */ 4004 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 4005 struct ieee80211_link_data *link; 4006 4007 link = sdata_dereference(sdata->link[link_id], sdata); 4008 4009 if (!link) 4010 continue; 4011 __ieee80211_request_smps_mgd(sdata, link, 4012 link->u.mgd.req_smps); 4013 } 4014 4015 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 4016 ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS); 4017 4018 ieee80211_recalc_ps(local); 4019 ieee80211_recalc_ps_vif(sdata); 4020 ieee80211_check_fast_rx_iface(sdata); 4021 4022 return 0; 4023 } 4024 4025 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata, 4026 struct ieee80211_link_data *link, 4027 s32 rssi_thold, u32 rssi_hyst, 4028 s32 rssi_low, s32 rssi_high) 4029 { 4030 struct ieee80211_bss_conf *conf; 4031 4032 if (!link || !link->conf) 4033 return; 4034 4035 conf = link->conf; 4036 4037 if (rssi_thold && rssi_hyst && 4038 rssi_thold == conf->cqm_rssi_thold && 4039 rssi_hyst == conf->cqm_rssi_hyst) 4040 return; 4041 4042 conf->cqm_rssi_thold = rssi_thold; 4043 conf->cqm_rssi_hyst = rssi_hyst; 4044 conf->cqm_rssi_low = rssi_low; 4045 conf->cqm_rssi_high = rssi_high; 4046 link->u.mgd.last_cqm_event_signal = 0; 4047 4048 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 4049 return; 4050 4051 if (sdata->u.mgd.associated && 4052 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 4053 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM); 4054 } 4055 4056 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 4057 struct net_device *dev, 4058 s32 rssi_thold, u32 rssi_hyst) 4059 { 4060 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4061 struct ieee80211_vif *vif = &sdata->vif; 4062 int link_id; 4063 4064 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER && 4065 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 4066 return -EOPNOTSUPP; 4067 4068 /* For MLD, handle CQM change on all the active links */ 4069 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 4070 struct ieee80211_link_data *link = 4071 sdata_dereference(sdata->link[link_id], sdata); 4072 4073 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst, 4074 0, 0); 4075 } 4076 4077 return 0; 4078 } 4079 4080 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 4081 struct net_device *dev, 4082 s32 rssi_low, s32 rssi_high) 4083 { 4084 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4085 struct ieee80211_vif *vif = &sdata->vif; 4086 int link_id; 4087 4088 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) 4089 return -EOPNOTSUPP; 4090 4091 /* For MLD, handle CQM change on all the active links */ 4092 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 4093 struct ieee80211_link_data *link = 4094 sdata_dereference(sdata->link[link_id], sdata); 4095 4096 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0, 4097 rssi_low, rssi_high); 4098 } 4099 4100 return 0; 4101 } 4102 4103 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 4104 struct net_device *dev, 4105 unsigned int link_id, 4106 const u8 *addr, 4107 const struct cfg80211_bitrate_mask *mask) 4108 { 4109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4110 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 4111 int i, ret; 4112 4113 if (!ieee80211_sdata_running(sdata)) 4114 return -ENETDOWN; 4115 4116 /* 4117 * If active validate the setting and reject it if it doesn't leave 4118 * at least one basic rate usable, since we really have to be able 4119 * to send something, and if we're an AP we have to be able to do 4120 * so at a basic rate so that all clients can receive it. 4121 */ 4122 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 4123 sdata->vif.bss_conf.chanreq.oper.chan) { 4124 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 4125 enum nl80211_band band; 4126 4127 band = sdata->vif.bss_conf.chanreq.oper.chan->band; 4128 4129 if (!(mask->control[band].legacy & basic_rates)) 4130 return -EINVAL; 4131 } 4132 4133 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 4134 ret = drv_set_bitrate_mask(local, sdata, mask); 4135 if (ret) 4136 return ret; 4137 } 4138 4139 for (i = 0; i < NUM_NL80211_BANDS; i++) { 4140 struct ieee80211_supported_band *sband = wiphy->bands[i]; 4141 int j; 4142 4143 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 4144 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 4145 sizeof(mask->control[i].ht_mcs)); 4146 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 4147 mask->control[i].vht_mcs, 4148 sizeof(mask->control[i].vht_mcs)); 4149 4150 sdata->rc_has_mcs_mask[i] = false; 4151 sdata->rc_has_vht_mcs_mask[i] = false; 4152 if (!sband) 4153 continue; 4154 4155 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 4156 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 4157 sdata->rc_has_mcs_mask[i] = true; 4158 break; 4159 } 4160 } 4161 4162 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 4163 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 4164 sdata->rc_has_vht_mcs_mask[i] = true; 4165 break; 4166 } 4167 } 4168 } 4169 4170 return 0; 4171 } 4172 4173 static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy, 4174 struct ieee80211_local *local, 4175 struct cfg80211_chan_def *chandef) 4176 { 4177 struct cfg80211_scan_request *scan_req; 4178 int chan_radio_idx, req_radio_idx; 4179 struct ieee80211_roc_work *roc; 4180 4181 if (list_empty(&local->roc_list) && !local->scanning) 4182 return false; 4183 4184 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan); 4185 4186 if (local->scanning) { 4187 scan_req = wiphy_dereference(wiphy, local->scan_req); 4188 /* 4189 * Scan is going on but info is not there. Should not happen 4190 * but if it does, let's not take risk and assume we can't use 4191 * the hw hence return true 4192 */ 4193 if (WARN_ON_ONCE(!scan_req)) 4194 return true; 4195 4196 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req, 4197 req_radio_idx); 4198 } 4199 4200 list_for_each_entry(roc, &local->roc_list, list) { 4201 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, 4202 roc->chan); 4203 if (chan_radio_idx == req_radio_idx) 4204 return true; 4205 } 4206 4207 return false; 4208 } 4209 4210 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 4211 struct net_device *dev, 4212 struct cfg80211_chan_def *chandef, 4213 u32 cac_time_ms, int link_id) 4214 { 4215 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4216 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 4217 struct ieee80211_local *local = sdata->local; 4218 struct ieee80211_link_data *link_data; 4219 int err; 4220 4221 lockdep_assert_wiphy(local->hw.wiphy); 4222 4223 if (ieee80211_is_scan_ongoing(wiphy, local, chandef)) 4224 return -EBUSY; 4225 4226 link_data = sdata_dereference(sdata->link[link_id], sdata); 4227 if (!link_data) 4228 return -ENOLINK; 4229 4230 /* whatever, but channel contexts should not complain about that one */ 4231 link_data->smps_mode = IEEE80211_SMPS_OFF; 4232 link_data->needed_rx_chains = local->rx_chains; 4233 4234 err = ieee80211_link_use_channel(link_data, &chanreq, 4235 IEEE80211_CHANCTX_SHARED); 4236 if (err) 4237 return err; 4238 4239 wiphy_hrtimer_work_queue(wiphy, &link_data->dfs_cac_timer_work, 4240 ms_to_ktime(cac_time_ms)); 4241 4242 return 0; 4243 } 4244 4245 static void ieee80211_end_cac(struct wiphy *wiphy, 4246 struct net_device *dev, unsigned int link_id) 4247 { 4248 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4249 struct ieee80211_local *local = sdata->local; 4250 struct ieee80211_link_data *link_data; 4251 4252 lockdep_assert_wiphy(local->hw.wiphy); 4253 4254 list_for_each_entry(sdata, &local->interfaces, list) { 4255 link_data = sdata_dereference(sdata->link[link_id], sdata); 4256 if (!link_data) 4257 continue; 4258 4259 wiphy_hrtimer_work_cancel(wiphy, 4260 &link_data->dfs_cac_timer_work); 4261 4262 if (sdata->wdev.links[link_id].cac_started) { 4263 ieee80211_link_release_channel(link_data); 4264 sdata->wdev.links[link_id].cac_started = false; 4265 } 4266 } 4267 } 4268 4269 static struct cfg80211_beacon_data * 4270 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 4271 { 4272 struct cfg80211_beacon_data *new_beacon; 4273 u8 *pos; 4274 int len; 4275 4276 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 4277 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 4278 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 4279 4280 if (beacon->mbssid_ies) 4281 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies, 4282 beacon->rnr_ies, 4283 beacon->mbssid_ies->cnt); 4284 4285 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 4286 if (!new_beacon) 4287 return NULL; 4288 4289 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 4290 new_beacon->mbssid_ies = 4291 kzalloc_flex(*new_beacon->mbssid_ies, elem, 4292 beacon->mbssid_ies->cnt); 4293 if (!new_beacon->mbssid_ies) { 4294 kfree(new_beacon); 4295 return NULL; 4296 } 4297 4298 if (beacon->rnr_ies && beacon->rnr_ies->cnt) { 4299 new_beacon->rnr_ies = 4300 kzalloc_flex(*new_beacon->rnr_ies, elem, 4301 beacon->rnr_ies->cnt); 4302 if (!new_beacon->rnr_ies) { 4303 kfree(new_beacon->mbssid_ies); 4304 kfree(new_beacon); 4305 return NULL; 4306 } 4307 } 4308 } 4309 4310 pos = (u8 *)(new_beacon + 1); 4311 if (beacon->head_len) { 4312 new_beacon->head_len = beacon->head_len; 4313 new_beacon->head = pos; 4314 memcpy(pos, beacon->head, beacon->head_len); 4315 pos += beacon->head_len; 4316 } 4317 if (beacon->tail_len) { 4318 new_beacon->tail_len = beacon->tail_len; 4319 new_beacon->tail = pos; 4320 memcpy(pos, beacon->tail, beacon->tail_len); 4321 pos += beacon->tail_len; 4322 } 4323 if (beacon->beacon_ies_len) { 4324 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 4325 new_beacon->beacon_ies = pos; 4326 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 4327 pos += beacon->beacon_ies_len; 4328 } 4329 if (beacon->proberesp_ies_len) { 4330 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 4331 new_beacon->proberesp_ies = pos; 4332 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 4333 pos += beacon->proberesp_ies_len; 4334 } 4335 if (beacon->assocresp_ies_len) { 4336 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 4337 new_beacon->assocresp_ies = pos; 4338 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 4339 pos += beacon->assocresp_ies_len; 4340 } 4341 if (beacon->probe_resp_len) { 4342 new_beacon->probe_resp_len = beacon->probe_resp_len; 4343 new_beacon->probe_resp = pos; 4344 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 4345 pos += beacon->probe_resp_len; 4346 } 4347 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 4348 pos += ieee80211_copy_mbssid_beacon(pos, 4349 new_beacon->mbssid_ies, 4350 beacon->mbssid_ies); 4351 if (beacon->rnr_ies && beacon->rnr_ies->cnt) 4352 pos += ieee80211_copy_rnr_beacon(pos, 4353 new_beacon->rnr_ies, 4354 beacon->rnr_ies); 4355 } 4356 4357 /* might copy -1, meaning no changes requested */ 4358 new_beacon->ftm_responder = beacon->ftm_responder; 4359 if (beacon->lci) { 4360 new_beacon->lci_len = beacon->lci_len; 4361 new_beacon->lci = pos; 4362 memcpy(pos, beacon->lci, beacon->lci_len); 4363 pos += beacon->lci_len; 4364 } 4365 if (beacon->civicloc) { 4366 new_beacon->civicloc_len = beacon->civicloc_len; 4367 new_beacon->civicloc = pos; 4368 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 4369 pos += beacon->civicloc_len; 4370 } 4371 4372 return new_beacon; 4373 } 4374 4375 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id) 4376 { 4377 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4378 struct ieee80211_local *local = sdata->local; 4379 struct ieee80211_bss_conf *tx_bss_conf; 4380 struct ieee80211_link_data *link_data; 4381 4382 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4383 return; 4384 4385 rcu_read_lock(); 4386 4387 link_data = rcu_dereference(sdata->link[link_id]); 4388 if (WARN_ON(!link_data)) { 4389 rcu_read_unlock(); 4390 return; 4391 } 4392 4393 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf); 4394 if (tx_bss_conf == link_data->conf) { 4395 /* Trigger ieee80211_csa_finish() on the non-transmitting 4396 * interfaces when channel switch is received on 4397 * transmitting interface 4398 */ 4399 struct ieee80211_link_data *iter; 4400 4401 for_each_sdata_link_rcu(local, iter) { 4402 if (iter->sdata == sdata || 4403 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf) 4404 continue; 4405 4406 wiphy_work_queue(iter->sdata->local->hw.wiphy, 4407 &iter->csa.finalize_work); 4408 } 4409 } 4410 4411 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work); 4412 4413 rcu_read_unlock(); 4414 } 4415 EXPORT_SYMBOL(ieee80211_csa_finish); 4416 4417 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif) 4418 { 4419 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4420 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4421 struct ieee80211_local *local = sdata->local; 4422 4423 sdata_info(sdata, "channel switch failed, disconnecting\n"); 4424 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work); 4425 } 4426 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 4427 4428 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data, 4429 u64 *changed) 4430 { 4431 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4432 int err; 4433 4434 switch (sdata->vif.type) { 4435 case NL80211_IFTYPE_AP: 4436 if (!link_data->u.ap.next_beacon) 4437 return -EINVAL; 4438 4439 err = ieee80211_assign_beacon(sdata, link_data, 4440 link_data->u.ap.next_beacon, 4441 NULL, NULL, changed); 4442 ieee80211_free_next_beacon(link_data); 4443 4444 if (err < 0) 4445 return err; 4446 break; 4447 case NL80211_IFTYPE_ADHOC: 4448 err = ieee80211_ibss_finish_csa(sdata, changed); 4449 if (err < 0) 4450 return err; 4451 break; 4452 #ifdef CONFIG_MAC80211_MESH 4453 case NL80211_IFTYPE_MESH_POINT: 4454 err = ieee80211_mesh_finish_csa(sdata, changed); 4455 if (err < 0) 4456 return err; 4457 break; 4458 #endif 4459 default: 4460 WARN_ON(1); 4461 return -EINVAL; 4462 } 4463 4464 return 0; 4465 } 4466 4467 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4468 { 4469 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4470 struct ieee80211_local *local = sdata->local; 4471 struct ieee80211_bss_conf *link_conf = link_data->conf; 4472 u64 changed = 0; 4473 int err; 4474 4475 lockdep_assert_wiphy(local->hw.wiphy); 4476 4477 /* 4478 * using reservation isn't immediate as it may be deferred until later 4479 * with multi-vif. once reservation is complete it will re-schedule the 4480 * work with no reserved_chanctx so verify chandef to check if it 4481 * completed successfully 4482 */ 4483 4484 if (link_data->reserved_chanctx) { 4485 /* 4486 * with multi-vif csa driver may call ieee80211_csa_finish() 4487 * many times while waiting for other interfaces to use their 4488 * reservations 4489 */ 4490 if (link_data->reserved_ready) 4491 return 0; 4492 4493 return ieee80211_link_use_reserved_context(link_data); 4494 } 4495 4496 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper, 4497 &link_data->csa.chanreq.oper)) 4498 return -EINVAL; 4499 4500 link_conf->csa_active = false; 4501 4502 err = ieee80211_set_after_csa_beacon(link_data, &changed); 4503 if (err) 4504 return err; 4505 4506 ieee80211_link_info_change_notify(sdata, link_data, changed); 4507 4508 if (sdata->vif.type == NL80211_IFTYPE_AP) 4509 ieee80211_uhr_disable_dbe_all_stas(link_data); 4510 4511 ieee80211_vif_unblock_queues_csa(sdata); 4512 4513 err = drv_post_channel_switch(link_data); 4514 if (err) 4515 return err; 4516 4517 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper, 4518 link_data->link_id); 4519 4520 return 0; 4521 } 4522 4523 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4524 { 4525 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4526 int link_id = -1; 4527 4528 if (__ieee80211_csa_finalize(link_data)) { 4529 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n", 4530 link_data->link_id); 4531 if (sdata->vif.type == NL80211_IFTYPE_AP || 4532 sdata->vif.type == NL80211_IFTYPE_P2P_GO) 4533 /* 4534 * link_id is expected only for AP/P2P_GO type 4535 * currently 4536 */ 4537 link_id = link_data->link_id; 4538 4539 cfg80211_stop_link(sdata->local->hw.wiphy, &sdata->wdev, 4540 link_id, GFP_KERNEL); 4541 } 4542 } 4543 4544 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) 4545 { 4546 struct ieee80211_link_data *link = 4547 container_of(work, struct ieee80211_link_data, csa.finalize_work); 4548 struct ieee80211_sub_if_data *sdata = link->sdata; 4549 struct ieee80211_local *local = sdata->local; 4550 4551 lockdep_assert_wiphy(local->hw.wiphy); 4552 4553 /* AP might have been stopped while waiting for the lock. */ 4554 if (!link->conf->csa_active) 4555 return; 4556 4557 if (!ieee80211_sdata_running(sdata)) 4558 return; 4559 4560 ieee80211_csa_finalize(link); 4561 } 4562 4563 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data, 4564 struct cfg80211_csa_settings *params, 4565 u64 *changed) 4566 { 4567 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4568 struct ieee80211_csa_settings csa = {}; 4569 int err; 4570 4571 switch (sdata->vif.type) { 4572 case NL80211_IFTYPE_AP: 4573 link_data->u.ap.next_beacon = 4574 cfg80211_beacon_dup(¶ms->beacon_after); 4575 if (!link_data->u.ap.next_beacon) 4576 return -ENOMEM; 4577 4578 /* 4579 * With a count of 0, we don't have to wait for any 4580 * TBTT before switching, so complete the CSA 4581 * immediately. In theory, with a count == 1 we 4582 * should delay the switch until just before the next 4583 * TBTT, but that would complicate things so we switch 4584 * immediately too. If we would delay the switch 4585 * until the next TBTT, we would have to set the probe 4586 * response here. 4587 * 4588 * TODO: A channel switch with count <= 1 without 4589 * sending a CSA action frame is kind of useless, 4590 * because the clients won't know we're changing 4591 * channels. The action frame must be implemented 4592 * either here or in the userspace. 4593 */ 4594 if (params->count <= 1) 4595 break; 4596 4597 if ((params->n_counter_offsets_beacon > 4598 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 4599 (params->n_counter_offsets_presp > 4600 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 4601 ieee80211_free_next_beacon(link_data); 4602 return -EINVAL; 4603 } 4604 4605 csa.counter_offsets_beacon = params->counter_offsets_beacon; 4606 csa.counter_offsets_presp = params->counter_offsets_presp; 4607 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 4608 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 4609 csa.count = params->count; 4610 4611 err = ieee80211_assign_beacon(sdata, link_data, 4612 ¶ms->beacon_csa, &csa, 4613 NULL, changed); 4614 if (err < 0) { 4615 ieee80211_free_next_beacon(link_data); 4616 return err; 4617 } 4618 4619 break; 4620 case NL80211_IFTYPE_ADHOC: 4621 if (!sdata->vif.cfg.ibss_joined) 4622 return -EINVAL; 4623 4624 if (params->chandef.width != sdata->u.ibss.chandef.width) 4625 return -EINVAL; 4626 4627 switch (params->chandef.width) { 4628 case NL80211_CHAN_WIDTH_40: 4629 if (cfg80211_get_chandef_type(¶ms->chandef) != 4630 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 4631 return -EINVAL; 4632 break; 4633 case NL80211_CHAN_WIDTH_20_NOHT: 4634 case NL80211_CHAN_WIDTH_20: 4635 break; 4636 default: 4637 return -EINVAL; 4638 } 4639 4640 /* changes into another band are not supported */ 4641 if (sdata->u.ibss.chandef.chan->band != 4642 params->chandef.chan->band) 4643 return -EINVAL; 4644 4645 /* see comments in the NL80211_IFTYPE_AP block */ 4646 if (params->count > 1) { 4647 err = ieee80211_ibss_csa_beacon(sdata, params, changed); 4648 if (err < 0) 4649 return err; 4650 } 4651 4652 ieee80211_send_action_csa(sdata, params); 4653 4654 break; 4655 #ifdef CONFIG_MAC80211_MESH 4656 case NL80211_IFTYPE_MESH_POINT: { 4657 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 4658 4659 /* changes into another band are not supported */ 4660 if (sdata->vif.bss_conf.chanreq.oper.chan->band != 4661 params->chandef.chan->band) 4662 return -EINVAL; 4663 4664 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 4665 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 4666 if (!ifmsh->pre_value) 4667 ifmsh->pre_value = 1; 4668 else 4669 ifmsh->pre_value++; 4670 } 4671 4672 /* see comments in the NL80211_IFTYPE_AP block */ 4673 if (params->count > 1) { 4674 err = ieee80211_mesh_csa_beacon(sdata, params, changed); 4675 if (err < 0) { 4676 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 4677 return err; 4678 } 4679 } 4680 4681 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 4682 ieee80211_send_action_csa(sdata, params); 4683 4684 break; 4685 } 4686 #endif 4687 default: 4688 return -EOPNOTSUPP; 4689 } 4690 4691 return 0; 4692 } 4693 4694 static void ieee80211_color_change_abort(struct ieee80211_link_data *link) 4695 { 4696 link->conf->color_change_active = false; 4697 4698 ieee80211_free_next_beacon(link); 4699 4700 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id); 4701 } 4702 4703 static int 4704 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4705 struct cfg80211_csa_settings *params) 4706 { 4707 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4708 struct ieee80211_chan_req chanreq = { 4709 .oper = params->chandef, 4710 .require_npca = true, 4711 }; 4712 struct ieee80211_local *local = sdata->local; 4713 struct ieee80211_channel_switch ch_switch = { 4714 .link_id = params->link_id, 4715 }; 4716 struct ieee80211_chanctx_conf *conf; 4717 struct ieee80211_chanctx *chanctx; 4718 struct ieee80211_bss_conf *link_conf; 4719 struct ieee80211_link_data *link_data; 4720 u64 changed = 0; 4721 u8 link_id = params->link_id; 4722 int err; 4723 4724 lockdep_assert_wiphy(local->hw.wiphy); 4725 4726 if (ieee80211_is_scan_ongoing(wiphy, local, ¶ms->chandef)) 4727 return -EBUSY; 4728 4729 if (sdata->wdev.links[link_id].cac_started) 4730 return -EBUSY; 4731 4732 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4733 return -EINVAL; 4734 4735 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 4736 if (!link_data) 4737 return -ENOLINK; 4738 4739 link_conf = link_data->conf; 4740 4741 if (chanreq.oper.punctured && !link_conf->eht_support) 4742 return -EINVAL; 4743 4744 /* don't allow another channel switch if one is already active. */ 4745 if (link_conf->csa_active) 4746 return -EBUSY; 4747 4748 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf); 4749 if (!conf) { 4750 err = -EBUSY; 4751 goto out; 4752 } 4753 4754 if (params->chandef.chan->freq_offset) { 4755 /* this may work, but is untested */ 4756 err = -EOPNOTSUPP; 4757 goto out; 4758 } 4759 4760 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 4761 ¶ms->unsol_bcast_probe_resp, 4762 link_data, link_conf, &changed); 4763 if (err) 4764 goto out; 4765 4766 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 4767 4768 ch_switch.timestamp = 0; 4769 ch_switch.device_timestamp = 0; 4770 ch_switch.block_tx = params->block_tx; 4771 ch_switch.chandef = chanreq.oper; 4772 ch_switch.count = params->count; 4773 4774 err = drv_pre_channel_switch(sdata, &ch_switch); 4775 if (err) 4776 goto out; 4777 4778 err = ieee80211_link_reserve_chanctx(link_data, &chanreq, 4779 chanctx->mode, 4780 params->radar_required); 4781 if (err) 4782 goto out; 4783 4784 /* if reservation is invalid then this will fail */ 4785 err = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 4786 if (err) { 4787 ieee80211_link_unreserve_chanctx(link_data); 4788 goto out; 4789 } 4790 4791 /* if there is a color change in progress, abort it */ 4792 if (link_conf->color_change_active) 4793 ieee80211_color_change_abort(link_data); 4794 4795 err = ieee80211_set_csa_beacon(link_data, params, &changed); 4796 if (err) { 4797 ieee80211_link_unreserve_chanctx(link_data); 4798 goto out; 4799 } 4800 4801 link_data->csa.chanreq = chanreq; 4802 link_conf->csa_active = true; 4803 4804 if (params->block_tx) 4805 ieee80211_vif_block_queues_csa(sdata); 4806 4807 cfg80211_ch_switch_started_notify(sdata->dev, 4808 &link_data->csa.chanreq.oper, link_id, 4809 params->count, params->block_tx); 4810 4811 if (changed) { 4812 ieee80211_link_info_change_notify(sdata, link_data, changed); 4813 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper); 4814 } else { 4815 /* if the beacon didn't change, we can finalize immediately */ 4816 ieee80211_csa_finalize(link_data); 4817 } 4818 4819 out: 4820 return err; 4821 } 4822 4823 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4824 struct cfg80211_csa_settings *params) 4825 { 4826 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4827 struct ieee80211_local *local = sdata->local; 4828 4829 lockdep_assert_wiphy(local->hw.wiphy); 4830 4831 return __ieee80211_channel_switch(wiphy, dev, params); 4832 } 4833 4834 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 4835 { 4836 lockdep_assert_wiphy(local->hw.wiphy); 4837 4838 local->roc_cookie_counter++; 4839 4840 /* wow, you wrapped 64 bits ... more likely a bug */ 4841 if (WARN_ON(local->roc_cookie_counter == 0)) 4842 local->roc_cookie_counter++; 4843 4844 return local->roc_cookie_counter; 4845 } 4846 4847 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 4848 u64 *cookie, gfp_t gfp) 4849 { 4850 unsigned long spin_flags; 4851 struct sk_buff *ack_skb; 4852 int id; 4853 4854 ack_skb = skb_copy(skb, gfp); 4855 if (!ack_skb) 4856 return -ENOMEM; 4857 4858 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 4859 id = idr_alloc(&local->ack_status_frames, ack_skb, 4860 1, 0x2000, GFP_ATOMIC); 4861 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 4862 4863 if (id < 0) { 4864 kfree_skb(ack_skb); 4865 return -ENOMEM; 4866 } 4867 4868 IEEE80211_SKB_CB(skb)->status_data_idr = 1; 4869 IEEE80211_SKB_CB(skb)->status_data = id; 4870 4871 *cookie = ieee80211_mgmt_tx_cookie(local); 4872 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 4873 4874 return 0; 4875 } 4876 4877 static void 4878 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 4879 struct wireless_dev *wdev, 4880 struct mgmt_frame_regs *upd) 4881 { 4882 struct ieee80211_local *local = wiphy_priv(wiphy); 4883 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4884 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 4885 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 4886 bool global_change, intf_change; 4887 4888 global_change = 4889 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 4890 (local->rx_mcast_action_reg != 4891 !!(upd->global_mcast_stypes & action_mask)); 4892 local->probe_req_reg = upd->global_stypes & preq_mask; 4893 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 4894 4895 intf_change = (sdata->vif.probe_req_reg != 4896 !!(upd->interface_stypes & preq_mask)) || 4897 (sdata->vif.rx_mcast_action_reg != 4898 !!(upd->interface_mcast_stypes & action_mask)); 4899 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 4900 sdata->vif.rx_mcast_action_reg = 4901 upd->interface_mcast_stypes & action_mask; 4902 4903 if (!local->open_count) 4904 return; 4905 4906 if (intf_change && ieee80211_sdata_running(sdata)) 4907 drv_config_iface_filter(local, sdata, 4908 sdata->vif.probe_req_reg ? 4909 FIF_PROBE_REQ : 0, 4910 FIF_PROBE_REQ); 4911 4912 if (global_change) 4913 ieee80211_configure_filter(local); 4914 } 4915 4916 static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx, 4917 u32 tx_ant, u32 rx_ant) 4918 { 4919 struct ieee80211_local *local = wiphy_priv(wiphy); 4920 int ret; 4921 4922 if (local->started) 4923 return -EOPNOTSUPP; 4924 4925 ret = drv_set_antenna(local, tx_ant, rx_ant); 4926 if (ret) 4927 return ret; 4928 4929 local->rx_chains = hweight8(rx_ant); 4930 return 0; 4931 } 4932 4933 static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx, 4934 u32 *tx_ant, u32 *rx_ant) 4935 { 4936 struct ieee80211_local *local = wiphy_priv(wiphy); 4937 4938 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant); 4939 } 4940 4941 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 4942 struct net_device *dev, 4943 struct cfg80211_gtk_rekey_data *data) 4944 { 4945 struct ieee80211_local *local = wiphy_priv(wiphy); 4946 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4947 4948 if (!local->ops->set_rekey_data) 4949 return -EOPNOTSUPP; 4950 4951 drv_set_rekey_data(local, sdata, data); 4952 4953 return 0; 4954 } 4955 4956 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 4957 const u8 *peer, u64 *cookie) 4958 { 4959 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4960 struct ieee80211_local *local = sdata->local; 4961 struct ieee80211_qos_hdr *nullfunc; 4962 struct sk_buff *skb; 4963 int size = sizeof(*nullfunc); 4964 __le16 fc; 4965 bool qos; 4966 struct ieee80211_tx_info *info; 4967 struct sta_info *sta; 4968 struct ieee80211_chanctx_conf *chanctx_conf; 4969 struct ieee80211_bss_conf *conf; 4970 enum nl80211_band band; 4971 u8 link_id; 4972 int ret; 4973 4974 /* the lock is needed to assign the cookie later */ 4975 lockdep_assert_wiphy(local->hw.wiphy); 4976 4977 rcu_read_lock(); 4978 sta = sta_info_get_bss(sdata, peer); 4979 if (!sta) { 4980 ret = -ENOLINK; 4981 goto unlock; 4982 } 4983 4984 qos = sta->sta.wme; 4985 4986 if (ieee80211_vif_is_mld(&sdata->vif)) { 4987 if (sta->sta.mlo) { 4988 link_id = IEEE80211_LINK_UNSPECIFIED; 4989 } else { 4990 /* 4991 * For non-MLO clients connected to an AP MLD, band 4992 * information is not used; instead, sta->deflink is 4993 * used to send packets. 4994 */ 4995 link_id = sta->deflink.link_id; 4996 4997 conf = rcu_dereference(sdata->vif.link_conf[link_id]); 4998 4999 if (unlikely(!conf)) { 5000 ret = -ENOLINK; 5001 goto unlock; 5002 } 5003 } 5004 /* MLD transmissions must not rely on the band */ 5005 band = 0; 5006 } else { 5007 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 5008 if (WARN_ON(!chanctx_conf)) { 5009 ret = -EINVAL; 5010 goto unlock; 5011 } 5012 band = chanctx_conf->def.chan->band; 5013 link_id = 0; 5014 } 5015 5016 if (qos) { 5017 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 5018 IEEE80211_STYPE_QOS_NULLFUNC | 5019 IEEE80211_FCTL_FROMDS); 5020 } else { 5021 size -= 2; 5022 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 5023 IEEE80211_STYPE_NULLFUNC | 5024 IEEE80211_FCTL_FROMDS); 5025 } 5026 5027 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 5028 if (!skb) { 5029 ret = -ENOMEM; 5030 goto unlock; 5031 } 5032 5033 skb->dev = dev; 5034 5035 skb_reserve(skb, local->hw.extra_tx_headroom); 5036 5037 nullfunc = skb_put(skb, size); 5038 nullfunc->frame_control = fc; 5039 nullfunc->duration_id = 0; 5040 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 5041 if (ieee80211_vif_is_mld(&sdata->vif) && !sta->sta.mlo) { 5042 memcpy(nullfunc->addr2, conf->addr, ETH_ALEN); 5043 memcpy(nullfunc->addr3, conf->addr, ETH_ALEN); 5044 } else { 5045 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 5046 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 5047 } 5048 nullfunc->seq_ctrl = 0; 5049 5050 info = IEEE80211_SKB_CB(skb); 5051 5052 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 5053 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 5054 info->band = band; 5055 5056 info->control.flags |= u32_encode_bits(link_id, 5057 IEEE80211_TX_CTRL_MLO_LINK); 5058 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 5059 skb->priority = 7; 5060 if (qos) 5061 nullfunc->qos_ctrl = cpu_to_le16(7); 5062 5063 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 5064 if (ret) { 5065 kfree_skb(skb); 5066 goto unlock; 5067 } 5068 5069 local_bh_disable(); 5070 ieee80211_xmit(sdata, sta, skb); 5071 local_bh_enable(); 5072 5073 ret = 0; 5074 unlock: 5075 rcu_read_unlock(); 5076 5077 return ret; 5078 } 5079 5080 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 5081 struct wireless_dev *wdev, 5082 unsigned int link_id, 5083 struct cfg80211_chan_def *chandef) 5084 { 5085 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5086 struct ieee80211_local *local = wiphy_priv(wiphy); 5087 struct ieee80211_chanctx_conf *chanctx_conf; 5088 struct ieee80211_link_data *link; 5089 int ret = -ENODATA; 5090 5091 rcu_read_lock(); 5092 link = rcu_dereference(sdata->link[link_id]); 5093 if (!link) { 5094 ret = -ENOLINK; 5095 goto out; 5096 } 5097 5098 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 5099 if (chanctx_conf) { 5100 *chandef = link->conf->chanreq.oper; 5101 ret = 0; 5102 } else if (local->open_count > 0 && 5103 local->open_count == local->virt_monitors && 5104 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 5105 *chandef = local->monitor_chanreq.oper; 5106 ret = 0; 5107 } 5108 out: 5109 rcu_read_unlock(); 5110 5111 return ret; 5112 } 5113 5114 #ifdef CONFIG_PM 5115 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 5116 { 5117 drv_set_wakeup(wiphy_priv(wiphy), enabled); 5118 } 5119 #endif 5120 5121 static int ieee80211_set_qos_map(struct wiphy *wiphy, 5122 struct net_device *dev, 5123 struct cfg80211_qos_map *qos_map) 5124 { 5125 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5126 struct mac80211_qos_map *new_qos_map, *old_qos_map; 5127 5128 if (qos_map) { 5129 new_qos_map = kzalloc_obj(*new_qos_map); 5130 if (!new_qos_map) 5131 return -ENOMEM; 5132 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 5133 } else { 5134 /* A NULL qos_map was passed to disable QoS mapping */ 5135 new_qos_map = NULL; 5136 } 5137 5138 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 5139 rcu_assign_pointer(sdata->qos_map, new_qos_map); 5140 if (old_qos_map) 5141 kfree_rcu(old_qos_map, rcu_head); 5142 5143 return 0; 5144 } 5145 5146 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 5147 struct net_device *dev, 5148 unsigned int link_id, 5149 struct cfg80211_chan_def *chandef) 5150 { 5151 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5152 struct ieee80211_link_data *link; 5153 struct ieee80211_chan_req chanreq = { 5154 .oper = *chandef, 5155 .require_npca = true, 5156 }; 5157 int ret; 5158 u64 changed = 0; 5159 5160 link = sdata_dereference(sdata->link[link_id], sdata); 5161 5162 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed); 5163 if (ret == 0) 5164 ieee80211_link_info_change_notify(sdata, link, changed); 5165 5166 return ret; 5167 } 5168 5169 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 5170 u8 tsid, const u8 *peer, u8 up, 5171 u16 admitted_time) 5172 { 5173 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5174 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 5175 int ac = ieee802_1d_to_ac[up]; 5176 5177 if (sdata->vif.type != NL80211_IFTYPE_STATION) 5178 return -EOPNOTSUPP; 5179 5180 if (!(sdata->wmm_acm & BIT(up))) 5181 return -EINVAL; 5182 5183 if (ifmgd->tx_tspec[ac].admitted_time) 5184 return -EBUSY; 5185 5186 if (admitted_time) { 5187 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 5188 ifmgd->tx_tspec[ac].tsid = tsid; 5189 ifmgd->tx_tspec[ac].up = up; 5190 } 5191 5192 return 0; 5193 } 5194 5195 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 5196 u8 tsid, const u8 *peer) 5197 { 5198 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5199 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 5200 struct ieee80211_local *local = wiphy_priv(wiphy); 5201 int ac; 5202 5203 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 5204 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 5205 5206 /* skip unused entries */ 5207 if (!tx_tspec->admitted_time) 5208 continue; 5209 5210 if (tx_tspec->tsid != tsid) 5211 continue; 5212 5213 /* due to this new packets will be reassigned to non-ACM ACs */ 5214 tx_tspec->up = -1; 5215 5216 /* Make sure that all packets have been sent to avoid to 5217 * restore the QoS params on packets that are still on the 5218 * queues. 5219 */ 5220 synchronize_net(); 5221 ieee80211_flush_queues(local, sdata, false); 5222 5223 /* restore the normal QoS parameters 5224 * (unconditionally to avoid races) 5225 */ 5226 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 5227 tx_tspec->downgraded = false; 5228 ieee80211_sta_handle_tspec_ac_params(sdata); 5229 5230 /* finally clear all the data */ 5231 memset(tx_tspec, 0, sizeof(*tx_tspec)); 5232 5233 return 0; 5234 } 5235 5236 return -ENOENT; 5237 } 5238 5239 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 5240 u8 inst_id, 5241 enum nl80211_nan_func_term_reason reason, 5242 gfp_t gfp) 5243 { 5244 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5245 struct cfg80211_nan_func *func; 5246 u64 cookie; 5247 5248 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5249 return; 5250 5251 if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags & 5252 WIPHY_NAN_FLAGS_USERSPACE_DE)) 5253 return; 5254 5255 spin_lock_bh(&sdata->u.nan.de.func_lock); 5256 5257 func = idr_find(&sdata->u.nan.de.function_inst_ids, inst_id); 5258 if (WARN_ON(!func)) { 5259 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5260 return; 5261 } 5262 5263 cookie = func->cookie; 5264 idr_remove(&sdata->u.nan.de.function_inst_ids, inst_id); 5265 5266 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5267 5268 cfg80211_free_nan_func(func); 5269 5270 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 5271 reason, cookie, gfp); 5272 } 5273 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 5274 5275 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 5276 struct cfg80211_nan_match_params *match, 5277 gfp_t gfp) 5278 { 5279 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5280 struct cfg80211_nan_func *func; 5281 5282 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5283 return; 5284 5285 if (WARN_ON(sdata->local->hw.wiphy->nan_capa.flags & 5286 WIPHY_NAN_FLAGS_USERSPACE_DE)) 5287 return; 5288 5289 spin_lock_bh(&sdata->u.nan.de.func_lock); 5290 5291 func = idr_find(&sdata->u.nan.de.function_inst_ids, match->inst_id); 5292 if (WARN_ON(!func)) { 5293 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5294 return; 5295 } 5296 match->cookie = func->cookie; 5297 5298 spin_unlock_bh(&sdata->u.nan.de.func_lock); 5299 5300 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 5301 } 5302 EXPORT_SYMBOL(ieee80211_nan_func_match); 5303 5304 void ieee80211_nan_cluster_joined(struct ieee80211_vif *vif, 5305 const u8 *cluster_id, bool new_cluster, 5306 gfp_t gfp) 5307 { 5308 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5309 5310 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 5311 return; 5312 5313 if (WARN_ON(!sdata->u.nan.started)) 5314 return; 5315 5316 ether_addr_copy(sdata->u.nan.conf.cluster_id, cluster_id); 5317 5318 cfg80211_nan_cluster_joined(ieee80211_vif_to_wdev(vif), cluster_id, 5319 new_cluster, gfp); 5320 } 5321 EXPORT_SYMBOL(ieee80211_nan_cluster_joined); 5322 5323 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 5324 struct net_device *dev, 5325 const bool enabled) 5326 { 5327 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5328 5329 sdata->u.ap.multicast_to_unicast = enabled; 5330 5331 return 0; 5332 } 5333 5334 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 5335 struct txq_info *txqi) 5336 { 5337 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 5338 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 5339 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 5340 } 5341 5342 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 5343 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 5344 txqstats->backlog_packets = txqi->tin.backlog_packets; 5345 } 5346 5347 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 5348 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 5349 txqstats->flows = txqi->tin.flows; 5350 } 5351 5352 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 5353 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 5354 txqstats->drops = txqi->cstats.drop_count; 5355 } 5356 5357 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 5358 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 5359 txqstats->ecn_marks = txqi->cstats.ecn_mark; 5360 } 5361 5362 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 5363 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 5364 txqstats->overlimit = txqi->tin.overlimit; 5365 } 5366 5367 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 5368 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 5369 txqstats->collisions = txqi->tin.collisions; 5370 } 5371 5372 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 5373 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 5374 txqstats->tx_bytes = txqi->tin.tx_bytes; 5375 } 5376 5377 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 5378 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 5379 txqstats->tx_packets = txqi->tin.tx_packets; 5380 } 5381 } 5382 5383 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 5384 struct wireless_dev *wdev, 5385 struct cfg80211_txq_stats *txqstats) 5386 { 5387 struct ieee80211_local *local = wiphy_priv(wiphy); 5388 struct ieee80211_sub_if_data *sdata; 5389 int ret = 0; 5390 5391 spin_lock_bh(&local->fq.lock); 5392 5393 if (wdev) { 5394 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5395 if (!sdata->vif.txq) { 5396 ret = 1; 5397 goto out; 5398 } 5399 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 5400 } else { 5401 /* phy stats */ 5402 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 5403 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 5404 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 5405 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 5406 BIT(NL80211_TXQ_STATS_COLLISIONS) | 5407 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 5408 txqstats->backlog_packets = local->fq.backlog; 5409 txqstats->backlog_bytes = local->fq.memory_usage; 5410 txqstats->overlimit = local->fq.overlimit; 5411 txqstats->overmemory = local->fq.overmemory; 5412 txqstats->collisions = local->fq.collisions; 5413 txqstats->max_flows = local->fq.flows_cnt; 5414 } 5415 5416 out: 5417 spin_unlock_bh(&local->fq.lock); 5418 5419 return ret; 5420 } 5421 5422 static int 5423 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 5424 struct net_device *dev, 5425 struct cfg80211_ftm_responder_stats *ftm_stats) 5426 { 5427 struct ieee80211_local *local = wiphy_priv(wiphy); 5428 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5429 5430 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 5431 } 5432 5433 static int 5434 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 5435 struct cfg80211_pmsr_request *request) 5436 { 5437 struct ieee80211_local *local = wiphy_priv(wiphy); 5438 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 5439 5440 return drv_start_pmsr(local, sdata, request); 5441 } 5442 5443 static void 5444 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 5445 struct cfg80211_pmsr_request *request) 5446 { 5447 struct ieee80211_local *local = wiphy_priv(wiphy); 5448 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 5449 5450 return drv_abort_pmsr(local, sdata, request); 5451 } 5452 5453 static int ieee80211_set_tid_config(struct wiphy *wiphy, 5454 struct net_device *dev, 5455 struct cfg80211_tid_config *tid_conf) 5456 { 5457 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5458 struct sta_info *sta; 5459 5460 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5461 5462 if (!sdata->local->ops->set_tid_config) 5463 return -EOPNOTSUPP; 5464 5465 if (!tid_conf->peer) 5466 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 5467 5468 sta = sta_info_get_bss(sdata, tid_conf->peer); 5469 if (!sta) 5470 return -ENOENT; 5471 5472 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 5473 } 5474 5475 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 5476 struct net_device *dev, 5477 const u8 *peer, u8 tids) 5478 { 5479 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5480 struct sta_info *sta; 5481 5482 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5483 5484 if (!sdata->local->ops->reset_tid_config) 5485 return -EOPNOTSUPP; 5486 5487 if (!peer) 5488 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 5489 5490 sta = sta_info_get_bss(sdata, peer); 5491 if (!sta) 5492 return -ENOENT; 5493 5494 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 5495 } 5496 5497 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 5498 struct cfg80211_sar_specs *sar) 5499 { 5500 struct ieee80211_local *local = wiphy_priv(wiphy); 5501 5502 if (!local->ops->set_sar_specs) 5503 return -EOPNOTSUPP; 5504 5505 return local->ops->set_sar_specs(&local->hw, sar); 5506 } 5507 5508 static int 5509 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link, 5510 u64 *changed) 5511 { 5512 struct ieee80211_sub_if_data *sdata = link->sdata; 5513 5514 switch (sdata->vif.type) { 5515 case NL80211_IFTYPE_AP: { 5516 int ret; 5517 5518 if (!link->u.ap.next_beacon) 5519 return -EINVAL; 5520 5521 ret = ieee80211_assign_beacon(sdata, link, 5522 link->u.ap.next_beacon, 5523 NULL, NULL, changed); 5524 ieee80211_free_next_beacon(link); 5525 5526 if (ret < 0) 5527 return ret; 5528 5529 break; 5530 } 5531 default: 5532 WARN_ON_ONCE(1); 5533 return -EINVAL; 5534 } 5535 5536 return 0; 5537 } 5538 5539 static int 5540 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link, 5541 struct cfg80211_color_change_settings *params, 5542 u64 *changed) 5543 { 5544 struct ieee80211_sub_if_data *sdata = link->sdata; 5545 struct ieee80211_color_change_settings color_change = {}; 5546 int err; 5547 5548 switch (sdata->vif.type) { 5549 case NL80211_IFTYPE_AP: 5550 link->u.ap.next_beacon = 5551 cfg80211_beacon_dup(¶ms->beacon_next); 5552 if (!link->u.ap.next_beacon) 5553 return -ENOMEM; 5554 5555 if (params->count <= 1) 5556 break; 5557 5558 color_change.counter_offset_beacon = 5559 params->counter_offset_beacon; 5560 color_change.counter_offset_presp = 5561 params->counter_offset_presp; 5562 color_change.count = params->count; 5563 5564 err = ieee80211_assign_beacon(sdata, link, 5565 ¶ms->beacon_color_change, 5566 NULL, &color_change, changed); 5567 if (err < 0) { 5568 ieee80211_free_next_beacon(link); 5569 return err; 5570 } 5571 break; 5572 default: 5573 return -EOPNOTSUPP; 5574 } 5575 5576 return 0; 5577 } 5578 5579 static void 5580 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link, 5581 u8 color, int enable, u64 changed) 5582 { 5583 struct ieee80211_sub_if_data *sdata = link->sdata; 5584 5585 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5586 5587 link->conf->he_bss_color.color = color; 5588 link->conf->he_bss_color.enabled = enable; 5589 changed |= BSS_CHANGED_HE_BSS_COLOR; 5590 5591 ieee80211_link_info_change_notify(sdata, link, changed); 5592 5593 if (!link->conf->nontransmitted && 5594 rcu_access_pointer(link->conf->tx_bss_conf)) { 5595 struct ieee80211_link_data *tmp; 5596 5597 for_each_sdata_link(sdata->local, tmp) { 5598 if (tmp->sdata == sdata || 5599 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf) 5600 continue; 5601 5602 tmp->conf->he_bss_color.color = color; 5603 tmp->conf->he_bss_color.enabled = enable; 5604 ieee80211_link_info_change_notify(tmp->sdata, tmp, 5605 BSS_CHANGED_HE_BSS_COLOR); 5606 } 5607 } 5608 } 5609 5610 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link) 5611 { 5612 struct ieee80211_sub_if_data *sdata = link->sdata; 5613 struct ieee80211_local *local = sdata->local; 5614 u64 changed = 0; 5615 int err; 5616 5617 lockdep_assert_wiphy(local->hw.wiphy); 5618 5619 link->conf->color_change_active = false; 5620 5621 err = ieee80211_set_after_color_change_beacon(link, &changed); 5622 if (err) { 5623 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id); 5624 return err; 5625 } 5626 5627 ieee80211_color_change_bss_config_notify(link, 5628 link->conf->color_change_color, 5629 1, changed); 5630 cfg80211_color_change_notify(sdata->dev, link->link_id); 5631 5632 return 0; 5633 } 5634 5635 void ieee80211_color_change_finalize_work(struct wiphy *wiphy, 5636 struct wiphy_work *work) 5637 { 5638 struct ieee80211_link_data *link = 5639 container_of(work, struct ieee80211_link_data, 5640 color_change_finalize_work); 5641 struct ieee80211_sub_if_data *sdata = link->sdata; 5642 struct ieee80211_bss_conf *link_conf = link->conf; 5643 struct ieee80211_local *local = sdata->local; 5644 5645 lockdep_assert_wiphy(local->hw.wiphy); 5646 5647 /* AP might have been stopped while waiting for the lock. */ 5648 if (!link_conf->color_change_active) 5649 return; 5650 5651 if (!ieee80211_sdata_running(sdata)) 5652 return; 5653 5654 ieee80211_color_change_finalize(link); 5655 } 5656 5657 void ieee80211_color_collision_detection_work(struct wiphy *wiphy, 5658 struct wiphy_work *work) 5659 { 5660 struct ieee80211_link_data *link = 5661 container_of(work, struct ieee80211_link_data, 5662 color_collision_detect_work.work); 5663 struct ieee80211_sub_if_data *sdata = link->sdata; 5664 5665 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap, 5666 link->link_id); 5667 } 5668 5669 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id) 5670 { 5671 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5672 struct ieee80211_link_data *link; 5673 5674 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5675 return; 5676 5677 rcu_read_lock(); 5678 5679 link = rcu_dereference(sdata->link[link_id]); 5680 if (WARN_ON(!link)) { 5681 rcu_read_unlock(); 5682 return; 5683 } 5684 5685 wiphy_work_queue(sdata->local->hw.wiphy, 5686 &link->color_change_finalize_work); 5687 5688 rcu_read_unlock(); 5689 } 5690 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 5691 5692 void 5693 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 5694 u64 color_bitmap, u8 link_id) 5695 { 5696 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5697 struct ieee80211_link_data *link; 5698 5699 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5700 return; 5701 5702 rcu_read_lock(); 5703 5704 link = rcu_dereference(sdata->link[link_id]); 5705 if (WARN_ON(!link)) { 5706 rcu_read_unlock(); 5707 return; 5708 } 5709 5710 if (link->conf->color_change_active || link->conf->csa_active) { 5711 rcu_read_unlock(); 5712 return; 5713 } 5714 5715 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy, 5716 &link->color_collision_detect_work)) { 5717 rcu_read_unlock(); 5718 return; 5719 } 5720 5721 link->color_bitmap = color_bitmap; 5722 /* queue the color collision detection event every 500 ms in order to 5723 * avoid sending too much netlink messages to userspace. 5724 */ 5725 wiphy_delayed_work_queue(sdata->local->hw.wiphy, 5726 &link->color_collision_detect_work, 5727 msecs_to_jiffies(500)); 5728 5729 rcu_read_unlock(); 5730 } 5731 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify); 5732 5733 static int 5734 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 5735 struct cfg80211_color_change_settings *params) 5736 { 5737 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5738 struct ieee80211_local *local = sdata->local; 5739 struct ieee80211_bss_conf *link_conf; 5740 struct ieee80211_link_data *link; 5741 u8 link_id = params->link_id; 5742 u64 changed = 0; 5743 int err; 5744 5745 lockdep_assert_wiphy(local->hw.wiphy); 5746 5747 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5748 return -EINVAL; 5749 5750 link = wiphy_dereference(wiphy, sdata->link[link_id]); 5751 if (!link) 5752 return -ENOLINK; 5753 5754 link_conf = link->conf; 5755 5756 if (link_conf->nontransmitted) 5757 return -EINVAL; 5758 5759 /* don't allow another color change if one is already active or if csa 5760 * is active 5761 */ 5762 if (link_conf->color_change_active || link_conf->csa_active) { 5763 err = -EBUSY; 5764 goto out; 5765 } 5766 5767 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 5768 ¶ms->unsol_bcast_probe_resp, 5769 link, link_conf, &changed); 5770 if (err) 5771 goto out; 5772 5773 err = ieee80211_set_color_change_beacon(link, params, &changed); 5774 if (err) 5775 goto out; 5776 5777 link_conf->color_change_active = true; 5778 link_conf->color_change_color = params->color; 5779 5780 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id); 5781 5782 if (changed) 5783 ieee80211_color_change_bss_config_notify(link, 0, 0, changed); 5784 else 5785 /* if the beacon didn't change, we can finalize immediately */ 5786 ieee80211_color_change_finalize(link); 5787 5788 out: 5789 5790 return err; 5791 } 5792 5793 static int 5794 ieee80211_set_radar_background(struct wiphy *wiphy, 5795 struct cfg80211_chan_def *chandef) 5796 { 5797 struct ieee80211_local *local = wiphy_priv(wiphy); 5798 5799 if (!local->ops->set_radar_background) 5800 return -EOPNOTSUPP; 5801 5802 return local->ops->set_radar_background(&local->hw, chandef); 5803 } 5804 5805 static int ieee80211_add_intf_link(struct wiphy *wiphy, 5806 struct wireless_dev *wdev, 5807 unsigned int link_id) 5808 { 5809 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5810 5811 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5812 5813 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0); 5814 } 5815 5816 static void ieee80211_del_intf_link(struct wiphy *wiphy, 5817 struct wireless_dev *wdev, 5818 unsigned int link_id) 5819 { 5820 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5821 u16 new_links = wdev->valid_links & ~BIT(link_id); 5822 5823 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5824 5825 /* During the link teardown process, certain functions require the 5826 * link_id to remain in the valid_links bitmap. Therefore, instead 5827 * of removing the link_id from the bitmap, pass a masked value to 5828 * simulate as if link_id does not exist anymore. 5829 */ 5830 ieee80211_vif_set_links(sdata, new_links, 0); 5831 } 5832 5833 static int 5834 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 5835 struct link_station_parameters *params) 5836 { 5837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5838 struct ieee80211_local *local = wiphy_priv(wiphy); 5839 struct sta_info *sta; 5840 int ret; 5841 5842 lockdep_assert_wiphy(local->hw.wiphy); 5843 5844 sta = sta_info_get_bss(sdata, params->mld_mac); 5845 if (!sta) 5846 return -ENOENT; 5847 5848 if (!sta->sta.valid_links) 5849 return -EINVAL; 5850 5851 if (sta->sta.valid_links & BIT(params->link_id)) 5852 return -EALREADY; 5853 5854 ret = ieee80211_sta_allocate_link(sta, params->link_id); 5855 if (ret) 5856 return ret; 5857 5858 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params); 5859 if (ret) { 5860 ieee80211_sta_free_link(sta, params->link_id); 5861 return ret; 5862 } 5863 5864 if (test_sta_flag(sta, WLAN_STA_ASSOC)) { 5865 struct link_sta_info *link_sta; 5866 5867 link_sta = sdata_dereference(sta->link[params->link_id], sdata); 5868 rate_control_rate_init(link_sta); 5869 } 5870 5871 /* ieee80211_sta_activate_link frees the link upon failure */ 5872 return ieee80211_sta_activate_link(sta, params->link_id); 5873 } 5874 5875 static int 5876 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 5877 struct link_station_parameters *params) 5878 { 5879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5880 struct ieee80211_local *local = wiphy_priv(wiphy); 5881 struct sta_info *sta; 5882 5883 lockdep_assert_wiphy(local->hw.wiphy); 5884 5885 sta = sta_info_get_bss(sdata, params->mld_mac); 5886 if (!sta) 5887 return -ENOENT; 5888 5889 if (!(sta->sta.valid_links & BIT(params->link_id))) 5890 return -EINVAL; 5891 5892 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY, 5893 params); 5894 } 5895 5896 static int 5897 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 5898 struct link_station_del_parameters *params) 5899 { 5900 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5901 struct sta_info *sta; 5902 5903 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5904 5905 sta = sta_info_get_bss(sdata, params->mld_mac); 5906 if (!sta) 5907 return -ENOENT; 5908 5909 if (!(sta->sta.valid_links & BIT(params->link_id))) 5910 return -EINVAL; 5911 5912 /* must not create a STA without links */ 5913 if (sta->sta.valid_links == BIT(params->link_id)) 5914 return -EINVAL; 5915 5916 ieee80211_sta_remove_link(sta, params->link_id); 5917 5918 return 0; 5919 } 5920 5921 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy, 5922 struct net_device *dev, 5923 struct cfg80211_set_hw_timestamp *hwts) 5924 { 5925 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5926 struct ieee80211_local *local = sdata->local; 5927 5928 if (!local->ops->set_hw_timestamp) 5929 return -EOPNOTSUPP; 5930 5931 if (!check_sdata_in_driver(sdata)) 5932 return -EIO; 5933 5934 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts); 5935 } 5936 5937 static int 5938 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev, 5939 struct cfg80211_ttlm_params *params) 5940 { 5941 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5942 5943 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5944 5945 return ieee80211_req_neg_ttlm(sdata, params); 5946 } 5947 5948 static int 5949 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev, 5950 struct cfg80211_ml_reconf_req *req) 5951 { 5952 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5953 5954 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5955 5956 return ieee80211_mgd_assoc_ml_reconf(sdata, req); 5957 } 5958 5959 static int 5960 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable) 5961 { 5962 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5963 5964 return ieee80211_mgd_set_epcs(sdata, enable); 5965 } 5966 5967 static int 5968 ieee80211_set_local_nan_sched(struct wiphy *wiphy, 5969 struct wireless_dev *wdev, 5970 struct cfg80211_nan_local_sched *sched) 5971 { 5972 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5973 5974 lockdep_assert_wiphy(wiphy); 5975 5976 return ieee80211_nan_set_local_sched(sdata, sched); 5977 } 5978 5979 static int 5980 ieee80211_set_peer_nan_sched(struct wiphy *wiphy, 5981 struct wireless_dev *wdev, 5982 struct cfg80211_nan_peer_sched *sched) 5983 { 5984 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5985 5986 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5987 5988 return ieee80211_nan_set_peer_sched(sdata, sched); 5989 } 5990 5991 const struct cfg80211_ops mac80211_config_ops = { 5992 .add_virtual_intf = ieee80211_add_iface, 5993 .del_virtual_intf = ieee80211_del_iface, 5994 .change_virtual_intf = ieee80211_change_iface, 5995 .start_p2p_device = ieee80211_start_p2p_device, 5996 .stop_p2p_device = ieee80211_stop_p2p_device, 5997 .add_key = ieee80211_add_key, 5998 .del_key = ieee80211_del_key, 5999 .get_key = ieee80211_get_key, 6000 .set_default_key = ieee80211_config_default_key, 6001 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 6002 .set_default_beacon_key = ieee80211_config_default_beacon_key, 6003 .start_ap = ieee80211_start_ap, 6004 .change_beacon = ieee80211_change_beacon, 6005 .stop_ap = ieee80211_stop_ap, 6006 .add_station = ieee80211_add_station, 6007 .del_station = ieee80211_del_station, 6008 .change_station = ieee80211_change_station, 6009 .get_station = ieee80211_get_station, 6010 .dump_station = ieee80211_dump_station, 6011 .dump_survey = ieee80211_dump_survey, 6012 #ifdef CONFIG_MAC80211_MESH 6013 .add_mpath = ieee80211_add_mpath, 6014 .del_mpath = ieee80211_del_mpath, 6015 .change_mpath = ieee80211_change_mpath, 6016 .get_mpath = ieee80211_get_mpath, 6017 .dump_mpath = ieee80211_dump_mpath, 6018 .get_mpp = ieee80211_get_mpp, 6019 .dump_mpp = ieee80211_dump_mpp, 6020 .update_mesh_config = ieee80211_update_mesh_config, 6021 .get_mesh_config = ieee80211_get_mesh_config, 6022 .join_mesh = ieee80211_join_mesh, 6023 .leave_mesh = ieee80211_leave_mesh, 6024 #endif 6025 .join_ocb = ieee80211_join_ocb, 6026 .leave_ocb = ieee80211_leave_ocb, 6027 .change_bss = ieee80211_change_bss, 6028 .inform_bss = ieee80211_inform_bss, 6029 .set_txq_params = ieee80211_set_txq_params, 6030 .set_monitor_channel = ieee80211_set_monitor_channel, 6031 .suspend = ieee80211_suspend, 6032 .resume = ieee80211_resume, 6033 .scan = ieee80211_scan, 6034 .abort_scan = ieee80211_abort_scan, 6035 .sched_scan_start = ieee80211_sched_scan_start, 6036 .sched_scan_stop = ieee80211_sched_scan_stop, 6037 .auth = ieee80211_auth, 6038 .assoc = ieee80211_assoc, 6039 .deauth = ieee80211_deauth, 6040 .disassoc = ieee80211_disassoc, 6041 .join_ibss = ieee80211_join_ibss, 6042 .leave_ibss = ieee80211_leave_ibss, 6043 .set_mcast_rate = ieee80211_set_mcast_rate, 6044 .set_wiphy_params = ieee80211_set_wiphy_params, 6045 .set_tx_power = ieee80211_set_tx_power, 6046 .get_tx_power = ieee80211_get_tx_power, 6047 .rfkill_poll = ieee80211_rfkill_poll, 6048 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 6049 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 6050 .set_power_mgmt = ieee80211_set_power_mgmt, 6051 .set_bitrate_mask = ieee80211_set_bitrate_mask, 6052 .remain_on_channel = ieee80211_remain_on_channel, 6053 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 6054 .mgmt_tx = ieee80211_mgmt_tx, 6055 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 6056 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 6057 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 6058 .update_mgmt_frame_registrations = 6059 ieee80211_update_mgmt_frame_registrations, 6060 .set_antenna = ieee80211_set_antenna, 6061 .get_antenna = ieee80211_get_antenna, 6062 .set_rekey_data = ieee80211_set_rekey_data, 6063 .tdls_oper = ieee80211_tdls_oper, 6064 .tdls_mgmt = ieee80211_tdls_mgmt, 6065 .tdls_channel_switch = ieee80211_tdls_channel_switch, 6066 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 6067 .probe_client = ieee80211_probe_client, 6068 .set_noack_map = ieee80211_set_noack_map, 6069 #ifdef CONFIG_PM 6070 .set_wakeup = ieee80211_set_wakeup, 6071 #endif 6072 .get_channel = ieee80211_cfg_get_channel, 6073 .start_radar_detection = ieee80211_start_radar_detection, 6074 .end_cac = ieee80211_end_cac, 6075 .channel_switch = ieee80211_channel_switch, 6076 .set_qos_map = ieee80211_set_qos_map, 6077 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 6078 .add_tx_ts = ieee80211_add_tx_ts, 6079 .del_tx_ts = ieee80211_del_tx_ts, 6080 .start_nan = ieee80211_start_nan, 6081 .stop_nan = ieee80211_stop_nan, 6082 .nan_change_conf = ieee80211_nan_change_conf, 6083 .add_nan_func = ieee80211_add_nan_func, 6084 .del_nan_func = ieee80211_del_nan_func, 6085 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 6086 .tx_control_port = ieee80211_tx_control_port, 6087 .get_txq_stats = ieee80211_get_txq_stats, 6088 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 6089 .start_pmsr = ieee80211_start_pmsr, 6090 .abort_pmsr = ieee80211_abort_pmsr, 6091 .probe_mesh_link = ieee80211_probe_mesh_link, 6092 .set_tid_config = ieee80211_set_tid_config, 6093 .reset_tid_config = ieee80211_reset_tid_config, 6094 .set_sar_specs = ieee80211_set_sar_specs, 6095 .color_change = ieee80211_color_change, 6096 .set_radar_background = ieee80211_set_radar_background, 6097 .add_intf_link = ieee80211_add_intf_link, 6098 .del_intf_link = ieee80211_del_intf_link, 6099 .add_link_station = ieee80211_add_link_station, 6100 .mod_link_station = ieee80211_mod_link_station, 6101 .del_link_station = ieee80211_del_link_station, 6102 .set_hw_timestamp = ieee80211_set_hw_timestamp, 6103 .set_ttlm = ieee80211_set_ttlm, 6104 .get_radio_mask = ieee80211_get_radio_mask, 6105 .assoc_ml_reconf = ieee80211_assoc_ml_reconf, 6106 .set_epcs = ieee80211_set_epcs, 6107 .nan_set_local_sched = ieee80211_set_local_nan_sched, 6108 .nan_set_peer_sched = ieee80211_set_peer_nan_sched, 6109 }; 6110