1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * mac80211 configuration hooks for cfg80211 4 * 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 6 * Copyright 2013-2015 Intel Mobile Communications GmbH 7 * Copyright (C) 2015-2017 Intel Deutschland GmbH 8 * Copyright (C) 2018-2025 Intel Corporation 9 */ 10 11 #include <linux/ieee80211.h> 12 #include <linux/nl80211.h> 13 #include <linux/rtnetlink.h> 14 #include <linux/slab.h> 15 #include <net/net_namespace.h> 16 #include <linux/rcupdate.h> 17 #include <linux/fips.h> 18 #include <linux/if_ether.h> 19 #include <net/cfg80211.h> 20 #include "ieee80211_i.h" 21 #include "driver-ops.h" 22 #include "rate.h" 23 #include "mesh.h" 24 #include "wme.h" 25 26 static struct ieee80211_link_data * 27 ieee80211_link_or_deflink(struct ieee80211_sub_if_data *sdata, int link_id, 28 bool require_valid) 29 { 30 struct ieee80211_link_data *link; 31 32 if (link_id < 0) { 33 /* 34 * For keys, if sdata is not an MLD, we might not use 35 * the return value at all (if it's not a pairwise key), 36 * so in that case (require_valid==false) don't error. 37 */ 38 if (require_valid && ieee80211_vif_is_mld(&sdata->vif)) 39 return ERR_PTR(-EINVAL); 40 41 return &sdata->deflink; 42 } 43 44 link = sdata_dereference(sdata->link[link_id], sdata); 45 if (!link) 46 return ERR_PTR(-ENOLINK); 47 return link; 48 } 49 50 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata, 51 struct vif_params *params) 52 { 53 bool mu_mimo_groups = false; 54 bool mu_mimo_follow = false; 55 56 if (params->vht_mumimo_groups) { 57 u64 membership; 58 59 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN); 60 61 memcpy(sdata->vif.bss_conf.mu_group.membership, 62 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); 63 memcpy(sdata->vif.bss_conf.mu_group.position, 64 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, 65 WLAN_USER_POSITION_LEN); 66 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 67 BSS_CHANGED_MU_GROUPS); 68 /* don't care about endianness - just check for 0 */ 69 memcpy(&membership, params->vht_mumimo_groups, 70 WLAN_MEMBERSHIP_LEN); 71 mu_mimo_groups = membership != 0; 72 } 73 74 if (params->vht_mumimo_follow_addr) { 75 mu_mimo_follow = 76 is_valid_ether_addr(params->vht_mumimo_follow_addr); 77 ether_addr_copy(sdata->u.mntr.mu_follow_addr, 78 params->vht_mumimo_follow_addr); 79 } 80 81 sdata->vif.bss_conf.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; 82 } 83 84 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, 85 struct vif_params *params) 86 { 87 struct ieee80211_local *local = sdata->local; 88 struct ieee80211_sub_if_data *monitor_sdata; 89 90 /* check flags first */ 91 if (params->flags && ieee80211_sdata_running(sdata)) { 92 u32 mask = MONITOR_FLAG_ACTIVE; 93 94 /* 95 * Prohibit MONITOR_FLAG_ACTIVE to be changed 96 * while the interface is up. 97 * Else we would need to add a lot of cruft 98 * to update everything: 99 * monitor and all fif_* counters 100 * reconfigure hardware 101 */ 102 if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) 103 return -EBUSY; 104 } 105 106 /* also validate MU-MIMO change */ 107 if (ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 108 monitor_sdata = sdata; 109 else 110 monitor_sdata = wiphy_dereference(local->hw.wiphy, 111 local->monitor_sdata); 112 113 if (!monitor_sdata && 114 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) 115 return -EOPNOTSUPP; 116 117 /* apply all changes now - no failures allowed */ 118 119 if (monitor_sdata && 120 (ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 121 ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR))) 122 ieee80211_set_mu_mimo_follow(monitor_sdata, params); 123 124 if (params->flags) { 125 if (ieee80211_sdata_running(sdata)) { 126 ieee80211_adjust_monitor_flags(sdata, -1); 127 sdata->u.mntr.flags = params->flags; 128 ieee80211_adjust_monitor_flags(sdata, 1); 129 130 ieee80211_configure_filter(local); 131 } else { 132 /* 133 * Because the interface is down, ieee80211_do_stop 134 * and ieee80211_do_open take care of "everything" 135 * mentioned in the comment above. 136 */ 137 sdata->u.mntr.flags = params->flags; 138 } 139 } 140 141 return 0; 142 } 143 144 static int ieee80211_set_ap_mbssid_options(struct ieee80211_sub_if_data *sdata, 145 struct cfg80211_mbssid_config *params, 146 struct ieee80211_bss_conf *link_conf) 147 { 148 struct ieee80211_sub_if_data *tx_sdata; 149 struct ieee80211_bss_conf *old; 150 151 link_conf->bssid_index = 0; 152 link_conf->nontransmitted = false; 153 link_conf->ema_ap = false; 154 link_conf->bssid_indicator = 0; 155 156 if (sdata->vif.type != NL80211_IFTYPE_AP || !params->tx_wdev) 157 return -EINVAL; 158 159 old = sdata_dereference(link_conf->tx_bss_conf, sdata); 160 if (old) 161 return -EALREADY; 162 163 tx_sdata = IEEE80211_WDEV_TO_SUB_IF(params->tx_wdev); 164 if (!tx_sdata) 165 return -EINVAL; 166 167 if (tx_sdata == sdata) { 168 rcu_assign_pointer(link_conf->tx_bss_conf, link_conf); 169 } else { 170 struct ieee80211_bss_conf *tx_bss_conf; 171 172 tx_bss_conf = sdata_dereference(tx_sdata->vif.link_conf[params->tx_link_id], 173 sdata); 174 if (rcu_access_pointer(tx_bss_conf->tx_bss_conf) != tx_bss_conf) 175 return -EINVAL; 176 177 rcu_assign_pointer(link_conf->tx_bss_conf, tx_bss_conf); 178 179 link_conf->nontransmitted = true; 180 link_conf->bssid_index = params->index; 181 link_conf->bssid_indicator = tx_bss_conf->bssid_indicator; 182 } 183 if (params->ema) 184 link_conf->ema_ap = true; 185 186 return 0; 187 } 188 189 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 190 const char *name, 191 unsigned char name_assign_type, 192 enum nl80211_iftype type, 193 struct vif_params *params) 194 { 195 struct ieee80211_local *local = wiphy_priv(wiphy); 196 struct wireless_dev *wdev; 197 struct ieee80211_sub_if_data *sdata; 198 int err; 199 200 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 201 if (err) 202 return ERR_PTR(err); 203 204 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 205 206 if (type == NL80211_IFTYPE_MONITOR) { 207 err = ieee80211_set_mon_options(sdata, params); 208 if (err) { 209 ieee80211_if_remove(sdata); 210 return NULL; 211 } 212 } 213 214 /* Let the driver know that an interface is going to be added. 215 * Indicate so only for interface types that will be added to the 216 * driver. 217 */ 218 switch (type) { 219 case NL80211_IFTYPE_AP_VLAN: 220 break; 221 case NL80211_IFTYPE_MONITOR: 222 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF) || 223 !(params->flags & MONITOR_FLAG_ACTIVE)) 224 break; 225 fallthrough; 226 default: 227 drv_prep_add_interface(local, 228 ieee80211_vif_type_p2p(&sdata->vif)); 229 break; 230 } 231 232 return wdev; 233 } 234 235 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 236 { 237 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 238 239 return 0; 240 } 241 242 static int ieee80211_change_iface(struct wiphy *wiphy, 243 struct net_device *dev, 244 enum nl80211_iftype type, 245 struct vif_params *params) 246 { 247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 248 struct ieee80211_local *local = sdata->local; 249 struct sta_info *sta; 250 int ret; 251 252 lockdep_assert_wiphy(local->hw.wiphy); 253 254 ret = ieee80211_if_change_type(sdata, type); 255 if (ret) 256 return ret; 257 258 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 259 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 260 ieee80211_check_fast_rx_iface(sdata); 261 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 262 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 263 264 if (params->use_4addr == ifmgd->use_4addr) 265 return 0; 266 267 /* FIXME: no support for 4-addr MLO yet */ 268 if (ieee80211_vif_is_mld(&sdata->vif)) 269 return -EOPNOTSUPP; 270 271 sdata->u.mgd.use_4addr = params->use_4addr; 272 if (!ifmgd->associated) 273 return 0; 274 275 sta = sta_info_get(sdata, sdata->deflink.u.mgd.bssid); 276 if (sta) 277 drv_sta_set_4addr(local, sdata, &sta->sta, 278 params->use_4addr); 279 280 if (params->use_4addr) 281 ieee80211_send_4addr_nullfunc(local, sdata); 282 } 283 284 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 285 ret = ieee80211_set_mon_options(sdata, params); 286 if (ret) 287 return ret; 288 } 289 290 return 0; 291 } 292 293 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 294 struct wireless_dev *wdev) 295 { 296 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 297 int ret; 298 299 lockdep_assert_wiphy(sdata->local->hw.wiphy); 300 301 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 302 if (ret < 0) 303 return ret; 304 305 return ieee80211_do_open(wdev, true); 306 } 307 308 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 309 struct wireless_dev *wdev) 310 { 311 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 312 } 313 314 static void ieee80211_nan_conf_free(struct cfg80211_nan_conf *conf) 315 { 316 kfree(conf->cluster_id); 317 kfree(conf->extra_nan_attrs); 318 kfree(conf->vendor_elems); 319 memset(conf, 0, sizeof(*conf)); 320 } 321 322 static void ieee80211_stop_nan(struct wiphy *wiphy, 323 struct wireless_dev *wdev) 324 { 325 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 326 327 if (!sdata->u.nan.started) 328 return; 329 330 drv_stop_nan(sdata->local, sdata); 331 sdata->u.nan.started = false; 332 333 ieee80211_nan_conf_free(&sdata->u.nan.conf); 334 335 ieee80211_sdata_stop(sdata); 336 ieee80211_recalc_idle(sdata->local); 337 } 338 339 static int ieee80211_nan_conf_copy(struct cfg80211_nan_conf *dst, 340 struct cfg80211_nan_conf *src, 341 u32 changes) 342 { 343 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 344 dst->master_pref = src->master_pref; 345 346 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 347 dst->bands = src->bands; 348 349 if (changes & CFG80211_NAN_CONF_CHANGED_CONFIG) { 350 dst->scan_period = src->scan_period; 351 dst->scan_dwell_time = src->scan_dwell_time; 352 dst->discovery_beacon_interval = 353 src->discovery_beacon_interval; 354 dst->enable_dw_notification = src->enable_dw_notification; 355 memcpy(&dst->band_cfgs, &src->band_cfgs, 356 sizeof(dst->band_cfgs)); 357 358 kfree(dst->cluster_id); 359 dst->cluster_id = NULL; 360 361 kfree(dst->extra_nan_attrs); 362 dst->extra_nan_attrs = NULL; 363 dst->extra_nan_attrs_len = 0; 364 365 kfree(dst->vendor_elems); 366 dst->vendor_elems = NULL; 367 dst->vendor_elems_len = 0; 368 369 if (src->cluster_id) { 370 dst->cluster_id = kmemdup(src->cluster_id, ETH_ALEN, 371 GFP_KERNEL); 372 if (!dst->cluster_id) 373 goto no_mem; 374 } 375 376 if (src->extra_nan_attrs && src->extra_nan_attrs_len) { 377 dst->extra_nan_attrs = kmemdup(src->extra_nan_attrs, 378 src->extra_nan_attrs_len, 379 GFP_KERNEL); 380 if (!dst->extra_nan_attrs) 381 goto no_mem; 382 383 dst->extra_nan_attrs_len = src->extra_nan_attrs_len; 384 } 385 386 if (src->vendor_elems && src->vendor_elems_len) { 387 dst->vendor_elems = kmemdup(src->vendor_elems, 388 src->vendor_elems_len, 389 GFP_KERNEL); 390 if (!dst->vendor_elems) 391 goto no_mem; 392 393 dst->vendor_elems_len = src->vendor_elems_len; 394 } 395 } 396 397 return 0; 398 399 no_mem: 400 ieee80211_nan_conf_free(dst); 401 return -ENOMEM; 402 } 403 404 static int ieee80211_start_nan(struct wiphy *wiphy, 405 struct wireless_dev *wdev, 406 struct cfg80211_nan_conf *conf) 407 { 408 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 409 int ret; 410 411 lockdep_assert_wiphy(sdata->local->hw.wiphy); 412 413 if (sdata->u.nan.started) 414 return -EALREADY; 415 416 ret = ieee80211_check_combinations(sdata, NULL, 0, 0, -1); 417 if (ret < 0) 418 return ret; 419 420 ret = ieee80211_do_open(wdev, true); 421 if (ret) 422 return ret; 423 424 ret = drv_start_nan(sdata->local, sdata, conf); 425 if (ret) { 426 ieee80211_sdata_stop(sdata); 427 return ret; 428 } 429 430 sdata->u.nan.started = true; 431 ieee80211_recalc_idle(sdata->local); 432 433 ret = ieee80211_nan_conf_copy(&sdata->u.nan.conf, conf, 0xFFFFFFFF); 434 if (ret) { 435 ieee80211_stop_nan(wiphy, wdev); 436 return ret; 437 } 438 439 return 0; 440 } 441 442 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 443 struct wireless_dev *wdev, 444 struct cfg80211_nan_conf *conf, 445 u32 changes) 446 { 447 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 448 struct cfg80211_nan_conf new_conf = {}; 449 int ret = 0; 450 451 if (sdata->vif.type != NL80211_IFTYPE_NAN) 452 return -EOPNOTSUPP; 453 454 if (!ieee80211_sdata_running(sdata)) 455 return -ENETDOWN; 456 457 if (!changes) 458 return 0; 459 460 /* First make a full copy of the previous configuration and then apply 461 * the changes. This might be a little wasteful, but it is simpler. 462 */ 463 ret = ieee80211_nan_conf_copy(&new_conf, &sdata->u.nan.conf, 464 0xFFFFFFFF); 465 if (ret < 0) 466 return ret; 467 468 ret = ieee80211_nan_conf_copy(&new_conf, conf, changes); 469 if (ret < 0) 470 return ret; 471 472 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 473 if (ret) { 474 ieee80211_nan_conf_free(&new_conf); 475 } else { 476 ieee80211_nan_conf_free(&sdata->u.nan.conf); 477 sdata->u.nan.conf = new_conf; 478 } 479 480 return ret; 481 } 482 483 static int ieee80211_add_nan_func(struct wiphy *wiphy, 484 struct wireless_dev *wdev, 485 struct cfg80211_nan_func *nan_func) 486 { 487 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 488 int ret; 489 490 if (sdata->vif.type != NL80211_IFTYPE_NAN) 491 return -EOPNOTSUPP; 492 493 if (!ieee80211_sdata_running(sdata)) 494 return -ENETDOWN; 495 496 spin_lock_bh(&sdata->u.nan.func_lock); 497 498 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 499 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 500 GFP_ATOMIC); 501 spin_unlock_bh(&sdata->u.nan.func_lock); 502 503 if (ret < 0) 504 return ret; 505 506 nan_func->instance_id = ret; 507 508 WARN_ON(nan_func->instance_id == 0); 509 510 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 511 if (ret) { 512 spin_lock_bh(&sdata->u.nan.func_lock); 513 idr_remove(&sdata->u.nan.function_inst_ids, 514 nan_func->instance_id); 515 spin_unlock_bh(&sdata->u.nan.func_lock); 516 } 517 518 return ret; 519 } 520 521 static struct cfg80211_nan_func * 522 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 523 u64 cookie) 524 { 525 struct cfg80211_nan_func *func; 526 int id; 527 528 lockdep_assert_held(&sdata->u.nan.func_lock); 529 530 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 531 if (func->cookie == cookie) 532 return func; 533 } 534 535 return NULL; 536 } 537 538 static void ieee80211_del_nan_func(struct wiphy *wiphy, 539 struct wireless_dev *wdev, u64 cookie) 540 { 541 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 542 struct cfg80211_nan_func *func; 543 u8 instance_id = 0; 544 545 if (sdata->vif.type != NL80211_IFTYPE_NAN || 546 !ieee80211_sdata_running(sdata)) 547 return; 548 549 spin_lock_bh(&sdata->u.nan.func_lock); 550 551 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 552 if (func) 553 instance_id = func->instance_id; 554 555 spin_unlock_bh(&sdata->u.nan.func_lock); 556 557 if (instance_id) 558 drv_del_nan_func(sdata->local, sdata, instance_id); 559 } 560 561 static int ieee80211_set_noack_map(struct wiphy *wiphy, 562 struct net_device *dev, 563 u16 noack_map) 564 { 565 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 566 567 sdata->noack_map = noack_map; 568 569 ieee80211_check_fast_xmit_iface(sdata); 570 571 return 0; 572 } 573 574 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 575 const u8 *mac_addr, u8 key_idx) 576 { 577 struct ieee80211_local *local = sdata->local; 578 struct ieee80211_key *key; 579 struct sta_info *sta; 580 int ret = -EINVAL; 581 582 if (!wiphy_ext_feature_isset(local->hw.wiphy, 583 NL80211_EXT_FEATURE_EXT_KEY_ID)) 584 return -EINVAL; 585 586 sta = sta_info_get_bss(sdata, mac_addr); 587 588 if (!sta) 589 return -EINVAL; 590 591 if (sta->ptk_idx == key_idx) 592 return 0; 593 594 key = wiphy_dereference(local->hw.wiphy, sta->ptk[key_idx]); 595 596 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 597 ret = ieee80211_set_tx_key(key); 598 599 return ret; 600 } 601 602 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 603 int link_id, u8 key_idx, bool pairwise, 604 const u8 *mac_addr, struct key_params *params) 605 { 606 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 607 struct ieee80211_link_data *link = 608 ieee80211_link_or_deflink(sdata, link_id, false); 609 struct ieee80211_local *local = sdata->local; 610 struct sta_info *sta = NULL; 611 struct ieee80211_key *key; 612 int err; 613 614 lockdep_assert_wiphy(local->hw.wiphy); 615 616 if (!ieee80211_sdata_running(sdata)) 617 return -ENETDOWN; 618 619 if (IS_ERR(link)) 620 return PTR_ERR(link); 621 622 if (WARN_ON(pairwise && link_id >= 0)) 623 return -EINVAL; 624 625 if (pairwise && params->mode == NL80211_KEY_SET_TX) 626 return ieee80211_set_tx(sdata, mac_addr, key_idx); 627 628 /* reject WEP and TKIP keys if WEP failed to initialize */ 629 switch (params->cipher) { 630 case WLAN_CIPHER_SUITE_WEP40: 631 case WLAN_CIPHER_SUITE_TKIP: 632 case WLAN_CIPHER_SUITE_WEP104: 633 if (link_id >= 0) 634 return -EINVAL; 635 if (WARN_ON_ONCE(fips_enabled)) 636 return -EINVAL; 637 break; 638 default: 639 break; 640 } 641 642 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 643 params->key, params->seq_len, params->seq); 644 if (IS_ERR(key)) 645 return PTR_ERR(key); 646 647 if (pairwise) { 648 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 649 key->conf.link_id = -1; 650 } else { 651 key->conf.link_id = link->link_id; 652 } 653 654 if (params->mode == NL80211_KEY_NO_TX) 655 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 656 657 if (mac_addr) { 658 sta = sta_info_get_bss(sdata, mac_addr); 659 /* 660 * The ASSOC test makes sure the driver is ready to 661 * receive the key. When wpa_supplicant has roamed 662 * using FT, it attempts to set the key before 663 * association has completed, this rejects that attempt 664 * so it will set the key again after association. 665 * 666 * TODO: accept the key if we have a station entry and 667 * add it to the device after the station. 668 */ 669 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 670 ieee80211_key_free_unused(key); 671 return -ENOENT; 672 } 673 } 674 675 switch (sdata->vif.type) { 676 case NL80211_IFTYPE_STATION: 677 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 678 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 679 break; 680 case NL80211_IFTYPE_AP: 681 case NL80211_IFTYPE_AP_VLAN: 682 /* Keys without a station are used for TX only */ 683 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 684 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 685 break; 686 case NL80211_IFTYPE_ADHOC: 687 /* no MFP (yet) */ 688 break; 689 case NL80211_IFTYPE_MESH_POINT: 690 #ifdef CONFIG_MAC80211_MESH 691 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 692 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 693 break; 694 #endif 695 case NL80211_IFTYPE_WDS: 696 case NL80211_IFTYPE_MONITOR: 697 case NL80211_IFTYPE_P2P_DEVICE: 698 case NL80211_IFTYPE_NAN: 699 case NL80211_IFTYPE_UNSPECIFIED: 700 case NUM_NL80211_IFTYPES: 701 case NL80211_IFTYPE_P2P_CLIENT: 702 case NL80211_IFTYPE_P2P_GO: 703 case NL80211_IFTYPE_OCB: 704 /* shouldn't happen */ 705 WARN_ON_ONCE(1); 706 break; 707 } 708 709 err = ieee80211_key_link(key, link, sta); 710 /* KRACK protection, shouldn't happen but just silently accept key */ 711 if (err == -EALREADY) 712 err = 0; 713 714 return err; 715 } 716 717 static struct ieee80211_key * 718 ieee80211_lookup_key(struct ieee80211_sub_if_data *sdata, int link_id, 719 u8 key_idx, bool pairwise, const u8 *mac_addr) 720 { 721 struct ieee80211_local *local __maybe_unused = sdata->local; 722 struct ieee80211_link_data *link = &sdata->deflink; 723 struct ieee80211_key *key; 724 725 if (link_id >= 0) { 726 link = sdata_dereference(sdata->link[link_id], sdata); 727 if (!link) 728 return NULL; 729 } 730 731 if (mac_addr) { 732 struct sta_info *sta; 733 struct link_sta_info *link_sta; 734 735 sta = sta_info_get_bss(sdata, mac_addr); 736 if (!sta) 737 return NULL; 738 739 if (link_id >= 0) { 740 link_sta = rcu_dereference_check(sta->link[link_id], 741 lockdep_is_held(&local->hw.wiphy->mtx)); 742 if (!link_sta) 743 return NULL; 744 } else { 745 link_sta = &sta->deflink; 746 } 747 748 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 749 return wiphy_dereference(local->hw.wiphy, 750 sta->ptk[key_idx]); 751 752 if (!pairwise && 753 key_idx < NUM_DEFAULT_KEYS + 754 NUM_DEFAULT_MGMT_KEYS + 755 NUM_DEFAULT_BEACON_KEYS) 756 return wiphy_dereference(local->hw.wiphy, 757 link_sta->gtk[key_idx]); 758 759 return NULL; 760 } 761 762 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 763 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 764 765 key = wiphy_dereference(local->hw.wiphy, link->gtk[key_idx]); 766 if (key) 767 return key; 768 769 /* or maybe it was a WEP key */ 770 if (key_idx < NUM_DEFAULT_KEYS) 771 return wiphy_dereference(local->hw.wiphy, sdata->keys[key_idx]); 772 773 return NULL; 774 } 775 776 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 777 int link_id, u8 key_idx, bool pairwise, 778 const u8 *mac_addr) 779 { 780 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 781 struct ieee80211_local *local = sdata->local; 782 struct ieee80211_key *key; 783 784 lockdep_assert_wiphy(local->hw.wiphy); 785 786 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 787 if (!key) 788 return -ENOENT; 789 790 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 791 792 return 0; 793 } 794 795 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 796 int link_id, u8 key_idx, bool pairwise, 797 const u8 *mac_addr, void *cookie, 798 void (*callback)(void *cookie, 799 struct key_params *params)) 800 { 801 struct ieee80211_sub_if_data *sdata; 802 u8 seq[6] = {0}; 803 struct key_params params; 804 struct ieee80211_key *key; 805 u64 pn64; 806 u32 iv32; 807 u16 iv16; 808 int err = -ENOENT; 809 struct ieee80211_key_seq kseq = {}; 810 811 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 812 813 rcu_read_lock(); 814 815 key = ieee80211_lookup_key(sdata, link_id, key_idx, pairwise, mac_addr); 816 if (!key) 817 goto out; 818 819 memset(¶ms, 0, sizeof(params)); 820 821 params.cipher = key->conf.cipher; 822 823 switch (key->conf.cipher) { 824 case WLAN_CIPHER_SUITE_TKIP: 825 pn64 = atomic64_read(&key->conf.tx_pn); 826 iv32 = TKIP_PN_TO_IV32(pn64); 827 iv16 = TKIP_PN_TO_IV16(pn64); 828 829 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 830 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 831 drv_get_key_seq(sdata->local, key, &kseq); 832 iv32 = kseq.tkip.iv32; 833 iv16 = kseq.tkip.iv16; 834 } 835 836 seq[0] = iv16 & 0xff; 837 seq[1] = (iv16 >> 8) & 0xff; 838 seq[2] = iv32 & 0xff; 839 seq[3] = (iv32 >> 8) & 0xff; 840 seq[4] = (iv32 >> 16) & 0xff; 841 seq[5] = (iv32 >> 24) & 0xff; 842 params.seq = seq; 843 params.seq_len = 6; 844 break; 845 case WLAN_CIPHER_SUITE_CCMP: 846 case WLAN_CIPHER_SUITE_CCMP_256: 847 case WLAN_CIPHER_SUITE_AES_CMAC: 848 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 849 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 850 offsetof(typeof(kseq), aes_cmac)); 851 fallthrough; 852 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 853 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 854 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 855 offsetof(typeof(kseq), aes_gmac)); 856 fallthrough; 857 case WLAN_CIPHER_SUITE_GCMP: 858 case WLAN_CIPHER_SUITE_GCMP_256: 859 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 860 offsetof(typeof(kseq), gcmp)); 861 862 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 863 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 864 drv_get_key_seq(sdata->local, key, &kseq); 865 memcpy(seq, kseq.ccmp.pn, 6); 866 } else { 867 pn64 = atomic64_read(&key->conf.tx_pn); 868 seq[0] = pn64; 869 seq[1] = pn64 >> 8; 870 seq[2] = pn64 >> 16; 871 seq[3] = pn64 >> 24; 872 seq[4] = pn64 >> 32; 873 seq[5] = pn64 >> 40; 874 } 875 params.seq = seq; 876 params.seq_len = 6; 877 break; 878 default: 879 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 880 break; 881 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 882 break; 883 drv_get_key_seq(sdata->local, key, &kseq); 884 params.seq = kseq.hw.seq; 885 params.seq_len = kseq.hw.seq_len; 886 break; 887 } 888 889 callback(cookie, ¶ms); 890 err = 0; 891 892 out: 893 rcu_read_unlock(); 894 return err; 895 } 896 897 static int ieee80211_config_default_key(struct wiphy *wiphy, 898 struct net_device *dev, 899 int link_id, u8 key_idx, bool uni, 900 bool multi) 901 { 902 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 903 struct ieee80211_link_data *link = 904 ieee80211_link_or_deflink(sdata, link_id, false); 905 906 if (IS_ERR(link)) 907 return PTR_ERR(link); 908 909 ieee80211_set_default_key(link, key_idx, uni, multi); 910 911 return 0; 912 } 913 914 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 915 struct net_device *dev, 916 int link_id, u8 key_idx) 917 { 918 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 919 struct ieee80211_link_data *link = 920 ieee80211_link_or_deflink(sdata, link_id, true); 921 922 if (IS_ERR(link)) 923 return PTR_ERR(link); 924 925 ieee80211_set_default_mgmt_key(link, key_idx); 926 927 return 0; 928 } 929 930 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 931 struct net_device *dev, 932 int link_id, u8 key_idx) 933 { 934 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 935 struct ieee80211_link_data *link = 936 ieee80211_link_or_deflink(sdata, link_id, true); 937 938 if (IS_ERR(link)) 939 return PTR_ERR(link); 940 941 ieee80211_set_default_beacon_key(link, key_idx); 942 943 return 0; 944 } 945 946 void sta_set_rate_info_tx(struct sta_info *sta, 947 const struct ieee80211_tx_rate *rate, 948 struct rate_info *rinfo) 949 { 950 rinfo->flags = 0; 951 if (rate->flags & IEEE80211_TX_RC_MCS) { 952 rinfo->flags |= RATE_INFO_FLAGS_MCS; 953 rinfo->mcs = rate->idx; 954 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 955 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 956 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 957 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 958 } else { 959 struct ieee80211_supported_band *sband; 960 961 sband = ieee80211_get_sband(sta->sdata); 962 WARN_ON_ONCE(sband && !sband->bitrates); 963 if (sband && sband->bitrates) 964 rinfo->legacy = sband->bitrates[rate->idx].bitrate; 965 } 966 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 967 rinfo->bw = RATE_INFO_BW_40; 968 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 969 rinfo->bw = RATE_INFO_BW_80; 970 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 971 rinfo->bw = RATE_INFO_BW_160; 972 else 973 rinfo->bw = RATE_INFO_BW_20; 974 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 975 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 976 } 977 978 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 979 int idx, u8 *mac, struct station_info *sinfo) 980 { 981 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 982 struct ieee80211_local *local = sdata->local; 983 struct sta_info *sta; 984 int ret = -ENOENT; 985 986 lockdep_assert_wiphy(local->hw.wiphy); 987 988 sta = sta_info_get_by_idx(sdata, idx); 989 if (sta) { 990 ret = 0; 991 memcpy(mac, sta->sta.addr, ETH_ALEN); 992 sta_set_sinfo(sta, sinfo, true); 993 994 /* Add accumulated removed link data to sinfo data for 995 * consistency for MLO 996 */ 997 if (sinfo->valid_links) 998 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 999 1000 } 1001 1002 return ret; 1003 } 1004 1005 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1006 int idx, struct survey_info *survey) 1007 { 1008 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1009 1010 return drv_get_survey(local, idx, survey); 1011 } 1012 1013 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1014 const u8 *mac, struct station_info *sinfo) 1015 { 1016 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1017 struct ieee80211_local *local = sdata->local; 1018 struct sta_info *sta; 1019 int ret = -ENOENT; 1020 1021 lockdep_assert_wiphy(local->hw.wiphy); 1022 1023 sta = sta_info_get_bss(sdata, mac); 1024 if (sta) { 1025 ret = 0; 1026 sta_set_sinfo(sta, sinfo, true); 1027 1028 /* Add accumulated removed link data to sinfo data for 1029 * consistency for MLO 1030 */ 1031 if (sinfo->valid_links) 1032 sta_set_accumulated_removed_links_sinfo(sta, sinfo); 1033 } 1034 1035 return ret; 1036 } 1037 1038 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 1039 struct net_device *dev, 1040 struct cfg80211_chan_def *chandef) 1041 { 1042 struct ieee80211_local *local = wiphy_priv(wiphy); 1043 struct ieee80211_sub_if_data *sdata; 1044 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 1045 int ret; 1046 1047 lockdep_assert_wiphy(local->hw.wiphy); 1048 1049 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1050 if (!ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 1051 if (cfg80211_chandef_identical(&local->monitor_chanreq.oper, 1052 &chanreq.oper)) 1053 return 0; 1054 1055 sdata = wiphy_dereference(wiphy, local->monitor_sdata); 1056 if (!sdata) 1057 goto done; 1058 } 1059 1060 if (rcu_access_pointer(sdata->deflink.conf->chanctx_conf) && 1061 cfg80211_chandef_identical(&sdata->vif.bss_conf.chanreq.oper, 1062 &chanreq.oper)) 1063 return 0; 1064 1065 ieee80211_link_release_channel(&sdata->deflink); 1066 ret = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 1067 IEEE80211_CHANCTX_SHARED); 1068 if (ret) 1069 return ret; 1070 done: 1071 local->monitor_chanreq = chanreq; 1072 return 0; 1073 } 1074 1075 static int 1076 ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 1077 const u8 *resp, size_t resp_len, 1078 const struct ieee80211_csa_settings *csa, 1079 const struct ieee80211_color_change_settings *cca, 1080 struct ieee80211_link_data *link) 1081 { 1082 struct probe_resp *new, *old; 1083 1084 if (!resp || !resp_len) 1085 return 1; 1086 1087 old = sdata_dereference(link->u.ap.probe_resp, sdata); 1088 1089 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 1090 if (!new) 1091 return -ENOMEM; 1092 1093 new->len = resp_len; 1094 memcpy(new->data, resp, resp_len); 1095 1096 if (csa) 1097 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 1098 csa->n_counter_offsets_presp * 1099 sizeof(new->cntdwn_counter_offsets[0])); 1100 else if (cca) 1101 new->cntdwn_counter_offsets[0] = cca->counter_offset_presp; 1102 1103 rcu_assign_pointer(link->u.ap.probe_resp, new); 1104 if (old) 1105 kfree_rcu(old, rcu_head); 1106 1107 return 0; 1108 } 1109 1110 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 1111 struct cfg80211_fils_discovery *params, 1112 struct ieee80211_link_data *link, 1113 struct ieee80211_bss_conf *link_conf, 1114 u64 *changed) 1115 { 1116 struct fils_discovery_data *new, *old = NULL; 1117 struct ieee80211_fils_discovery *fd; 1118 1119 if (!params->update) 1120 return 0; 1121 1122 fd = &link_conf->fils_discovery; 1123 fd->min_interval = params->min_interval; 1124 fd->max_interval = params->max_interval; 1125 1126 old = sdata_dereference(link->u.ap.fils_discovery, sdata); 1127 if (old) 1128 kfree_rcu(old, rcu_head); 1129 1130 if (params->tmpl && params->tmpl_len) { 1131 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1132 if (!new) 1133 return -ENOMEM; 1134 new->len = params->tmpl_len; 1135 memcpy(new->data, params->tmpl, params->tmpl_len); 1136 rcu_assign_pointer(link->u.ap.fils_discovery, new); 1137 } else { 1138 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1139 } 1140 1141 *changed |= BSS_CHANGED_FILS_DISCOVERY; 1142 return 0; 1143 } 1144 1145 static int 1146 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 1147 struct cfg80211_unsol_bcast_probe_resp *params, 1148 struct ieee80211_link_data *link, 1149 struct ieee80211_bss_conf *link_conf, 1150 u64 *changed) 1151 { 1152 struct unsol_bcast_probe_resp_data *new, *old = NULL; 1153 1154 if (!params->update) 1155 return 0; 1156 1157 link_conf->unsol_bcast_probe_resp_interval = params->interval; 1158 1159 old = sdata_dereference(link->u.ap.unsol_bcast_probe_resp, sdata); 1160 if (old) 1161 kfree_rcu(old, rcu_head); 1162 1163 if (params->tmpl && params->tmpl_len) { 1164 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 1165 if (!new) 1166 return -ENOMEM; 1167 new->len = params->tmpl_len; 1168 memcpy(new->data, params->tmpl, params->tmpl_len); 1169 rcu_assign_pointer(link->u.ap.unsol_bcast_probe_resp, new); 1170 } else { 1171 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1172 } 1173 1174 *changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1175 return 0; 1176 } 1177 1178 static int 1179 ieee80211_set_s1g_short_beacon(struct ieee80211_sub_if_data *sdata, 1180 struct ieee80211_link_data *link, 1181 struct cfg80211_s1g_short_beacon *params) 1182 { 1183 struct s1g_short_beacon_data *new; 1184 struct s1g_short_beacon_data *old = 1185 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 1186 size_t new_len = 1187 sizeof(*new) + params->short_head_len + params->short_tail_len; 1188 1189 if (!params->update) 1190 return 0; 1191 1192 if (!params->short_head) 1193 return -EINVAL; 1194 1195 new = kzalloc(new_len, GFP_KERNEL); 1196 if (!new) 1197 return -ENOMEM; 1198 1199 /* Memory layout: | struct | head | tail | */ 1200 new->short_head = (u8 *)new + sizeof(*new); 1201 new->short_head_len = params->short_head_len; 1202 memcpy(new->short_head, params->short_head, params->short_head_len); 1203 1204 if (params->short_tail) { 1205 new->short_tail = new->short_head + params->short_head_len; 1206 new->short_tail_len = params->short_tail_len; 1207 memcpy(new->short_tail, params->short_tail, 1208 params->short_tail_len); 1209 } 1210 1211 rcu_assign_pointer(link->u.ap.s1g_short_beacon, new); 1212 1213 if (old) 1214 kfree_rcu(old, rcu_head); 1215 1216 return 0; 1217 } 1218 1219 static int ieee80211_set_ftm_responder_params( 1220 struct ieee80211_sub_if_data *sdata, 1221 const u8 *lci, size_t lci_len, 1222 const u8 *civicloc, size_t civicloc_len, 1223 struct ieee80211_bss_conf *link_conf) 1224 { 1225 struct ieee80211_ftm_responder_params *new, *old; 1226 u8 *pos; 1227 int len; 1228 1229 if (!lci_len && !civicloc_len) 1230 return 0; 1231 1232 old = link_conf->ftmr_params; 1233 len = lci_len + civicloc_len; 1234 1235 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 1236 if (!new) 1237 return -ENOMEM; 1238 1239 pos = (u8 *)(new + 1); 1240 if (lci_len) { 1241 new->lci_len = lci_len; 1242 new->lci = pos; 1243 memcpy(pos, lci, lci_len); 1244 pos += lci_len; 1245 } 1246 1247 if (civicloc_len) { 1248 new->civicloc_len = civicloc_len; 1249 new->civicloc = pos; 1250 memcpy(pos, civicloc, civicloc_len); 1251 pos += civicloc_len; 1252 } 1253 1254 link_conf->ftmr_params = new; 1255 kfree(old); 1256 1257 return 0; 1258 } 1259 1260 static int 1261 ieee80211_copy_mbssid_beacon(u8 *pos, struct cfg80211_mbssid_elems *dst, 1262 struct cfg80211_mbssid_elems *src) 1263 { 1264 int i, offset = 0; 1265 1266 dst->cnt = src->cnt; 1267 for (i = 0; i < src->cnt; i++) { 1268 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1269 dst->elem[i].len = src->elem[i].len; 1270 dst->elem[i].data = pos + offset; 1271 offset += dst->elem[i].len; 1272 } 1273 1274 return offset; 1275 } 1276 1277 static int 1278 ieee80211_copy_rnr_beacon(u8 *pos, struct cfg80211_rnr_elems *dst, 1279 struct cfg80211_rnr_elems *src) 1280 { 1281 int i, offset = 0; 1282 1283 dst->cnt = src->cnt; 1284 for (i = 0; i < src->cnt; i++) { 1285 memcpy(pos + offset, src->elem[i].data, src->elem[i].len); 1286 dst->elem[i].len = src->elem[i].len; 1287 dst->elem[i].data = pos + offset; 1288 offset += dst->elem[i].len; 1289 } 1290 1291 return offset; 1292 } 1293 1294 static int 1295 ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 1296 struct ieee80211_link_data *link, 1297 struct cfg80211_beacon_data *params, 1298 const struct ieee80211_csa_settings *csa, 1299 const struct ieee80211_color_change_settings *cca, 1300 u64 *changed) 1301 { 1302 struct cfg80211_mbssid_elems *mbssid = NULL; 1303 struct cfg80211_rnr_elems *rnr = NULL; 1304 struct beacon_data *new, *old; 1305 int new_head_len, new_tail_len; 1306 int size, err; 1307 u64 _changed = BSS_CHANGED_BEACON; 1308 struct ieee80211_bss_conf *link_conf = link->conf; 1309 1310 old = sdata_dereference(link->u.ap.beacon, sdata); 1311 1312 /* Need to have a beacon head if we don't have one yet */ 1313 if (!params->head && !old) 1314 return -EINVAL; 1315 1316 /* new or old head? */ 1317 if (params->head) 1318 new_head_len = params->head_len; 1319 else 1320 new_head_len = old->head_len; 1321 1322 /* new or old tail? */ 1323 if (params->tail || !old) 1324 /* params->tail_len will be zero for !params->tail */ 1325 new_tail_len = params->tail_len; 1326 else 1327 new_tail_len = old->tail_len; 1328 1329 size = sizeof(*new) + new_head_len + new_tail_len; 1330 1331 /* new or old multiple BSSID elements? */ 1332 if (params->mbssid_ies) { 1333 mbssid = params->mbssid_ies; 1334 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1335 if (params->rnr_ies) { 1336 rnr = params->rnr_ies; 1337 size += struct_size(new->rnr_ies, elem, rnr->cnt); 1338 } 1339 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr, 1340 mbssid->cnt); 1341 } else if (old && old->mbssid_ies) { 1342 mbssid = old->mbssid_ies; 1343 size += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1344 if (old && old->rnr_ies) { 1345 rnr = old->rnr_ies; 1346 size += struct_size(new->rnr_ies, elem, rnr->cnt); 1347 } 1348 size += ieee80211_get_mbssid_beacon_len(mbssid, rnr, 1349 mbssid->cnt); 1350 } 1351 1352 new = kzalloc(size, GFP_KERNEL); 1353 if (!new) 1354 return -ENOMEM; 1355 1356 /* start filling the new info now */ 1357 1358 /* 1359 * pointers go into the block we allocated, 1360 * memory is | beacon_data | head | tail | mbssid_ies | rnr_ies 1361 */ 1362 new->head = ((u8 *) new) + sizeof(*new); 1363 new->tail = new->head + new_head_len; 1364 new->head_len = new_head_len; 1365 new->tail_len = new_tail_len; 1366 /* copy in optional mbssid_ies */ 1367 if (mbssid) { 1368 u8 *pos = new->tail + new->tail_len; 1369 1370 new->mbssid_ies = (void *)pos; 1371 pos += struct_size(new->mbssid_ies, elem, mbssid->cnt); 1372 pos += ieee80211_copy_mbssid_beacon(pos, new->mbssid_ies, 1373 mbssid); 1374 if (rnr) { 1375 new->rnr_ies = (void *)pos; 1376 pos += struct_size(new->rnr_ies, elem, rnr->cnt); 1377 ieee80211_copy_rnr_beacon(pos, new->rnr_ies, rnr); 1378 } 1379 /* update bssid_indicator */ 1380 if (new->mbssid_ies->cnt && new->mbssid_ies->elem[0].len > 2) 1381 link_conf->bssid_indicator = 1382 *(new->mbssid_ies->elem[0].data + 2); 1383 else 1384 link_conf->bssid_indicator = 0; 1385 } 1386 1387 if (csa) { 1388 new->cntdwn_current_counter = csa->count; 1389 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1390 csa->n_counter_offsets_beacon * 1391 sizeof(new->cntdwn_counter_offsets[0])); 1392 } else if (cca) { 1393 new->cntdwn_current_counter = cca->count; 1394 new->cntdwn_counter_offsets[0] = cca->counter_offset_beacon; 1395 } 1396 1397 /* copy in head */ 1398 if (params->head) 1399 memcpy(new->head, params->head, new_head_len); 1400 else 1401 memcpy(new->head, old->head, new_head_len); 1402 1403 /* copy in optional tail */ 1404 if (params->tail) 1405 memcpy(new->tail, params->tail, new_tail_len); 1406 else 1407 if (old) 1408 memcpy(new->tail, old->tail, new_tail_len); 1409 1410 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1411 params->probe_resp_len, csa, cca, link); 1412 if (err < 0) { 1413 kfree(new); 1414 return err; 1415 } 1416 if (err == 0) 1417 _changed |= BSS_CHANGED_AP_PROBE_RESP; 1418 1419 if (params->ftm_responder != -1) { 1420 link_conf->ftm_responder = params->ftm_responder; 1421 err = ieee80211_set_ftm_responder_params(sdata, 1422 params->lci, 1423 params->lci_len, 1424 params->civicloc, 1425 params->civicloc_len, 1426 link_conf); 1427 1428 if (err < 0) { 1429 kfree(new); 1430 return err; 1431 } 1432 1433 _changed |= BSS_CHANGED_FTM_RESPONDER; 1434 } 1435 1436 rcu_assign_pointer(link->u.ap.beacon, new); 1437 sdata->u.ap.active = true; 1438 1439 if (old) 1440 kfree_rcu(old, rcu_head); 1441 1442 *changed |= _changed; 1443 return 0; 1444 } 1445 1446 static u8 ieee80211_num_beaconing_links(struct ieee80211_sub_if_data *sdata) 1447 { 1448 struct ieee80211_link_data *link; 1449 u8 link_id, num = 0; 1450 1451 if (sdata->vif.type != NL80211_IFTYPE_AP && 1452 sdata->vif.type != NL80211_IFTYPE_P2P_GO) 1453 return num; 1454 1455 /* non-MLO mode of operation also uses link_id 0 in sdata so it is 1456 * safe to directly proceed with the below loop 1457 */ 1458 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 1459 link = sdata_dereference(sdata->link[link_id], sdata); 1460 if (!link) 1461 continue; 1462 1463 if (sdata_dereference(link->u.ap.beacon, sdata)) 1464 num++; 1465 } 1466 1467 return num; 1468 } 1469 1470 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1471 struct cfg80211_ap_settings *params) 1472 { 1473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1474 struct ieee80211_local *local = sdata->local; 1475 struct beacon_data *old; 1476 struct ieee80211_sub_if_data *vlan; 1477 u64 changed = BSS_CHANGED_BEACON_INT | 1478 BSS_CHANGED_BEACON_ENABLED | 1479 BSS_CHANGED_BEACON | 1480 BSS_CHANGED_P2P_PS | 1481 BSS_CHANGED_TXPOWER | 1482 BSS_CHANGED_TWT; 1483 int i, err; 1484 int prev_beacon_int; 1485 unsigned int link_id = params->beacon.link_id; 1486 struct ieee80211_link_data *link; 1487 struct ieee80211_bss_conf *link_conf; 1488 struct ieee80211_chan_req chanreq = { .oper = params->chandef }; 1489 u64 tsf; 1490 1491 lockdep_assert_wiphy(local->hw.wiphy); 1492 1493 link = sdata_dereference(sdata->link[link_id], sdata); 1494 if (!link) 1495 return -ENOLINK; 1496 1497 link_conf = link->conf; 1498 1499 old = sdata_dereference(link->u.ap.beacon, sdata); 1500 if (old) 1501 return -EALREADY; 1502 1503 link->smps_mode = IEEE80211_SMPS_OFF; 1504 1505 link->needed_rx_chains = sdata->local->rx_chains; 1506 1507 prev_beacon_int = link_conf->beacon_int; 1508 link_conf->beacon_int = params->beacon_interval; 1509 1510 if (params->ht_cap) 1511 link_conf->ht_ldpc = 1512 params->ht_cap->cap_info & 1513 cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING); 1514 1515 if (params->vht_cap) { 1516 link_conf->vht_ldpc = 1517 params->vht_cap->vht_cap_info & 1518 cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC); 1519 link_conf->vht_su_beamformer = 1520 params->vht_cap->vht_cap_info & 1521 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE); 1522 link_conf->vht_su_beamformee = 1523 params->vht_cap->vht_cap_info & 1524 cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE); 1525 link_conf->vht_mu_beamformer = 1526 params->vht_cap->vht_cap_info & 1527 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE); 1528 link_conf->vht_mu_beamformee = 1529 params->vht_cap->vht_cap_info & 1530 cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE); 1531 } 1532 1533 if (params->he_cap && params->he_oper) { 1534 link_conf->he_support = true; 1535 link_conf->htc_trig_based_pkt_ext = 1536 le32_get_bits(params->he_oper->he_oper_params, 1537 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1538 link_conf->frame_time_rts_th = 1539 le32_get_bits(params->he_oper->he_oper_params, 1540 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1541 changed |= BSS_CHANGED_HE_OBSS_PD; 1542 1543 if (params->beacon.he_bss_color.enabled) 1544 changed |= BSS_CHANGED_HE_BSS_COLOR; 1545 } 1546 1547 if (params->he_cap) { 1548 link_conf->he_ldpc = 1549 params->he_cap->phy_cap_info[1] & 1550 IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD; 1551 link_conf->he_su_beamformer = 1552 params->he_cap->phy_cap_info[3] & 1553 IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 1554 link_conf->he_su_beamformee = 1555 params->he_cap->phy_cap_info[4] & 1556 IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE; 1557 link_conf->he_mu_beamformer = 1558 params->he_cap->phy_cap_info[4] & 1559 IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 1560 link_conf->he_full_ul_mumimo = 1561 params->he_cap->phy_cap_info[2] & 1562 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO; 1563 } 1564 1565 if (params->eht_cap) { 1566 if (!link_conf->he_support) 1567 return -EOPNOTSUPP; 1568 1569 link_conf->eht_support = true; 1570 1571 link_conf->eht_su_beamformer = 1572 params->eht_cap->fixed.phy_cap_info[0] & 1573 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER; 1574 link_conf->eht_su_beamformee = 1575 params->eht_cap->fixed.phy_cap_info[0] & 1576 IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE; 1577 link_conf->eht_mu_beamformer = 1578 params->eht_cap->fixed.phy_cap_info[7] & 1579 (IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ | 1580 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ | 1581 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ); 1582 link_conf->eht_80mhz_full_bw_ul_mumimo = 1583 params->eht_cap->fixed.phy_cap_info[7] & 1584 (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ | 1585 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ | 1586 IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ); 1587 link_conf->eht_disable_mcs15 = 1588 u8_get_bits(params->eht_oper->params, 1589 IEEE80211_EHT_OPER_MCS15_DISABLE); 1590 } else { 1591 link_conf->eht_su_beamformer = false; 1592 link_conf->eht_su_beamformee = false; 1593 link_conf->eht_mu_beamformer = false; 1594 } 1595 1596 if (sdata->vif.type == NL80211_IFTYPE_AP && 1597 params->mbssid_config.tx_wdev) { 1598 err = ieee80211_set_ap_mbssid_options(sdata, 1599 ¶ms->mbssid_config, 1600 link_conf); 1601 if (err) 1602 return err; 1603 } 1604 1605 err = ieee80211_link_use_channel(link, &chanreq, 1606 IEEE80211_CHANCTX_SHARED); 1607 if (!err) 1608 ieee80211_link_copy_chanctx_to_vlans(link, false); 1609 if (err) { 1610 link_conf->beacon_int = prev_beacon_int; 1611 return err; 1612 } 1613 1614 /* 1615 * Apply control port protocol, this allows us to 1616 * not encrypt dynamic WEP control frames. 1617 */ 1618 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1619 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1620 sdata->control_port_over_nl80211 = 1621 params->crypto.control_port_over_nl80211; 1622 sdata->control_port_no_preauth = 1623 params->crypto.control_port_no_preauth; 1624 1625 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1626 vlan->control_port_protocol = 1627 params->crypto.control_port_ethertype; 1628 vlan->control_port_no_encrypt = 1629 params->crypto.control_port_no_encrypt; 1630 vlan->control_port_over_nl80211 = 1631 params->crypto.control_port_over_nl80211; 1632 vlan->control_port_no_preauth = 1633 params->crypto.control_port_no_preauth; 1634 } 1635 1636 link_conf->dtim_period = params->dtim_period; 1637 link_conf->enable_beacon = true; 1638 link_conf->allow_p2p_go_ps = sdata->vif.p2p; 1639 link_conf->twt_responder = params->twt_responder; 1640 link_conf->he_obss_pd = params->he_obss_pd; 1641 link_conf->he_bss_color = params->beacon.he_bss_color; 1642 link_conf->s1g_long_beacon_period = params->s1g_long_beacon_period; 1643 sdata->vif.cfg.s1g = params->chandef.chan->band == NL80211_BAND_S1GHZ; 1644 1645 sdata->vif.cfg.ssid_len = params->ssid_len; 1646 if (params->ssid_len) 1647 memcpy(sdata->vif.cfg.ssid, params->ssid, 1648 params->ssid_len); 1649 link_conf->hidden_ssid = 1650 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1651 1652 memset(&link_conf->p2p_noa_attr, 0, 1653 sizeof(link_conf->p2p_noa_attr)); 1654 link_conf->p2p_noa_attr.oppps_ctwindow = 1655 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1656 if (params->p2p_opp_ps) 1657 link_conf->p2p_noa_attr.oppps_ctwindow |= 1658 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1659 1660 sdata->beacon_rate_set = false; 1661 if (wiphy_ext_feature_isset(local->hw.wiphy, 1662 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1663 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1664 sdata->beacon_rateidx_mask[i] = 1665 params->beacon_rate.control[i].legacy; 1666 if (sdata->beacon_rateidx_mask[i]) 1667 sdata->beacon_rate_set = true; 1668 } 1669 } 1670 1671 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1672 link_conf->beacon_tx_rate = params->beacon_rate; 1673 1674 err = ieee80211_assign_beacon(sdata, link, ¶ms->beacon, NULL, NULL, 1675 &changed); 1676 if (err < 0) 1677 goto error; 1678 1679 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1680 link, link_conf, &changed); 1681 if (err < 0) 1682 goto error; 1683 1684 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1685 ¶ms->unsol_bcast_probe_resp, 1686 link, link_conf, &changed); 1687 if (err < 0) 1688 goto error; 1689 1690 if (sdata->vif.cfg.s1g) { 1691 err = ieee80211_set_s1g_short_beacon(sdata, link, 1692 ¶ms->s1g_short_beacon); 1693 if (err < 0) 1694 goto error; 1695 } 1696 1697 err = drv_start_ap(sdata->local, sdata, link_conf); 1698 if (err) { 1699 old = sdata_dereference(link->u.ap.beacon, sdata); 1700 1701 if (old) 1702 kfree_rcu(old, rcu_head); 1703 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1704 1705 if (ieee80211_num_beaconing_links(sdata) == 0) 1706 sdata->u.ap.active = false; 1707 1708 goto error; 1709 } 1710 1711 tsf = drv_get_tsf(local, sdata); 1712 ieee80211_recalc_dtim(sdata, tsf); 1713 1714 if (link->u.ap.s1g_short_beacon) 1715 ieee80211_recalc_sb_count(sdata, tsf); 1716 1717 ieee80211_vif_cfg_change_notify(sdata, BSS_CHANGED_SSID); 1718 ieee80211_link_info_change_notify(sdata, link, changed); 1719 1720 if (ieee80211_num_beaconing_links(sdata) <= 1) 1721 netif_carrier_on(dev); 1722 1723 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1724 netif_carrier_on(vlan->dev); 1725 1726 return 0; 1727 1728 error: 1729 ieee80211_link_release_channel(link); 1730 1731 return err; 1732 } 1733 1734 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1735 struct cfg80211_ap_update *params) 1736 1737 { 1738 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1739 struct ieee80211_link_data *link; 1740 struct cfg80211_beacon_data *beacon = ¶ms->beacon; 1741 struct beacon_data *old; 1742 int err; 1743 struct ieee80211_bss_conf *link_conf; 1744 u64 changed = 0; 1745 1746 lockdep_assert_wiphy(wiphy); 1747 1748 link = sdata_dereference(sdata->link[beacon->link_id], sdata); 1749 if (!link) 1750 return -ENOLINK; 1751 1752 link_conf = link->conf; 1753 1754 /* don't allow changing the beacon while a countdown is in place - offset 1755 * of channel switch counter may change 1756 */ 1757 if (link_conf->csa_active || link_conf->color_change_active) 1758 return -EBUSY; 1759 1760 old = sdata_dereference(link->u.ap.beacon, sdata); 1761 if (!old) 1762 return -ENOENT; 1763 1764 err = ieee80211_assign_beacon(sdata, link, beacon, NULL, NULL, 1765 &changed); 1766 if (err < 0) 1767 return err; 1768 1769 err = ieee80211_set_fils_discovery(sdata, ¶ms->fils_discovery, 1770 link, link_conf, &changed); 1771 if (err < 0) 1772 return err; 1773 1774 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1775 ¶ms->unsol_bcast_probe_resp, 1776 link, link_conf, &changed); 1777 if (err < 0) 1778 return err; 1779 1780 if (link->u.ap.s1g_short_beacon) { 1781 err = ieee80211_set_s1g_short_beacon(sdata, link, 1782 ¶ms->s1g_short_beacon); 1783 if (err < 0) 1784 return err; 1785 } 1786 1787 if (beacon->he_bss_color_valid && 1788 beacon->he_bss_color.enabled != link_conf->he_bss_color.enabled) { 1789 link_conf->he_bss_color.enabled = beacon->he_bss_color.enabled; 1790 changed |= BSS_CHANGED_HE_BSS_COLOR; 1791 } 1792 1793 ieee80211_link_info_change_notify(sdata, link, changed); 1794 return 0; 1795 } 1796 1797 static void ieee80211_free_next_beacon(struct ieee80211_link_data *link) 1798 { 1799 if (!link->u.ap.next_beacon) 1800 return; 1801 1802 kfree(link->u.ap.next_beacon->mbssid_ies); 1803 kfree(link->u.ap.next_beacon->rnr_ies); 1804 kfree(link->u.ap.next_beacon); 1805 link->u.ap.next_beacon = NULL; 1806 } 1807 1808 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev, 1809 unsigned int link_id) 1810 { 1811 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1812 struct ieee80211_sub_if_data *vlan; 1813 struct ieee80211_local *local = sdata->local; 1814 struct beacon_data *old_beacon; 1815 struct probe_resp *old_probe_resp; 1816 struct fils_discovery_data *old_fils_discovery; 1817 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1818 struct s1g_short_beacon_data *old_s1g_short_beacon; 1819 struct cfg80211_chan_def chandef; 1820 struct ieee80211_link_data *link = 1821 sdata_dereference(sdata->link[link_id], sdata); 1822 struct ieee80211_bss_conf *link_conf = link->conf; 1823 LIST_HEAD(keys); 1824 1825 lockdep_assert_wiphy(local->hw.wiphy); 1826 1827 old_beacon = sdata_dereference(link->u.ap.beacon, sdata); 1828 if (!old_beacon) 1829 return -ENOENT; 1830 old_probe_resp = sdata_dereference(link->u.ap.probe_resp, 1831 sdata); 1832 old_fils_discovery = sdata_dereference(link->u.ap.fils_discovery, 1833 sdata); 1834 old_unsol_bcast_probe_resp = 1835 sdata_dereference(link->u.ap.unsol_bcast_probe_resp, 1836 sdata); 1837 old_s1g_short_beacon = 1838 sdata_dereference(link->u.ap.s1g_short_beacon, sdata); 1839 1840 /* abort any running channel switch or color change */ 1841 link_conf->csa_active = false; 1842 link_conf->color_change_active = false; 1843 ieee80211_vif_unblock_queues_csa(sdata); 1844 1845 ieee80211_free_next_beacon(link); 1846 1847 /* turn off carrier for this interface and dependent VLANs */ 1848 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1849 netif_carrier_off(vlan->dev); 1850 1851 if (ieee80211_num_beaconing_links(sdata) <= 1) { 1852 netif_carrier_off(dev); 1853 sdata->u.ap.active = false; 1854 } 1855 1856 /* remove beacon and probe response */ 1857 RCU_INIT_POINTER(link->u.ap.beacon, NULL); 1858 RCU_INIT_POINTER(link->u.ap.probe_resp, NULL); 1859 RCU_INIT_POINTER(link->u.ap.fils_discovery, NULL); 1860 RCU_INIT_POINTER(link->u.ap.unsol_bcast_probe_resp, NULL); 1861 RCU_INIT_POINTER(link->u.ap.s1g_short_beacon, NULL); 1862 kfree_rcu(old_beacon, rcu_head); 1863 if (old_probe_resp) 1864 kfree_rcu(old_probe_resp, rcu_head); 1865 if (old_fils_discovery) 1866 kfree_rcu(old_fils_discovery, rcu_head); 1867 if (old_unsol_bcast_probe_resp) 1868 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1869 if (old_s1g_short_beacon) 1870 kfree_rcu(old_s1g_short_beacon, rcu_head); 1871 1872 kfree(link_conf->ftmr_params); 1873 link_conf->ftmr_params = NULL; 1874 1875 link_conf->bssid_index = 0; 1876 link_conf->nontransmitted = false; 1877 link_conf->ema_ap = false; 1878 link_conf->bssid_indicator = 0; 1879 link_conf->fils_discovery.min_interval = 0; 1880 link_conf->fils_discovery.max_interval = 0; 1881 link_conf->unsol_bcast_probe_resp_interval = 0; 1882 1883 __sta_info_flush(sdata, true, link_id, NULL); 1884 1885 ieee80211_remove_link_keys(link, &keys); 1886 if (!list_empty(&keys)) { 1887 synchronize_net(); 1888 ieee80211_free_key_list(local, &keys); 1889 } 1890 1891 ieee80211_stop_mbssid(sdata); 1892 RCU_INIT_POINTER(link_conf->tx_bss_conf, NULL); 1893 1894 link_conf->enable_beacon = false; 1895 sdata->beacon_rate_set = false; 1896 sdata->vif.cfg.ssid_len = 0; 1897 sdata->vif.cfg.s1g = false; 1898 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1899 ieee80211_link_info_change_notify(sdata, link, 1900 BSS_CHANGED_BEACON_ENABLED); 1901 1902 if (sdata->wdev.links[link_id].cac_started) { 1903 chandef = link_conf->chanreq.oper; 1904 wiphy_delayed_work_cancel(wiphy, &link->dfs_cac_timer_work); 1905 cfg80211_cac_event(sdata->dev, &chandef, 1906 NL80211_RADAR_CAC_ABORTED, 1907 GFP_KERNEL, link_id); 1908 } 1909 1910 drv_stop_ap(sdata->local, sdata, link_conf); 1911 1912 /* free all potentially still buffered bcast frames */ 1913 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1914 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1915 1916 ieee80211_link_copy_chanctx_to_vlans(link, true); 1917 ieee80211_link_release_channel(link); 1918 1919 return 0; 1920 } 1921 1922 static int sta_apply_auth_flags(struct ieee80211_local *local, 1923 struct sta_info *sta, 1924 u32 mask, u32 set) 1925 { 1926 int ret; 1927 1928 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1929 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1930 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1931 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1932 if (ret) 1933 return ret; 1934 } 1935 1936 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1937 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1938 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1939 /* 1940 * When peer becomes associated, init rate control as 1941 * well. Some drivers require rate control initialized 1942 * before drv_sta_state() is called. 1943 */ 1944 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1945 rate_control_rate_init_all_links(sta); 1946 1947 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1948 if (ret) 1949 return ret; 1950 } 1951 1952 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1953 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1954 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1955 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1956 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1957 else 1958 ret = 0; 1959 if (ret) 1960 return ret; 1961 } 1962 1963 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1964 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1965 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1966 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1967 if (ret) 1968 return ret; 1969 } 1970 1971 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1972 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1973 test_sta_flag(sta, WLAN_STA_AUTH)) { 1974 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1975 if (ret) 1976 return ret; 1977 } 1978 1979 return 0; 1980 } 1981 1982 static void sta_apply_mesh_params(struct ieee80211_local *local, 1983 struct sta_info *sta, 1984 struct station_parameters *params) 1985 { 1986 #ifdef CONFIG_MAC80211_MESH 1987 struct ieee80211_sub_if_data *sdata = sta->sdata; 1988 u64 changed = 0; 1989 1990 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1991 switch (params->plink_state) { 1992 case NL80211_PLINK_ESTAB: 1993 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1994 changed = mesh_plink_inc_estab_count(sdata); 1995 sta->mesh->plink_state = params->plink_state; 1996 sta->mesh->aid = params->peer_aid; 1997 1998 ieee80211_mps_sta_status_update(sta); 1999 changed |= ieee80211_mps_set_sta_local_pm(sta, 2000 sdata->u.mesh.mshcfg.power_mode); 2001 2002 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 2003 /* init at low value */ 2004 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 2005 2006 break; 2007 case NL80211_PLINK_LISTEN: 2008 case NL80211_PLINK_BLOCKED: 2009 case NL80211_PLINK_OPN_SNT: 2010 case NL80211_PLINK_OPN_RCVD: 2011 case NL80211_PLINK_CNF_RCVD: 2012 case NL80211_PLINK_HOLDING: 2013 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 2014 changed = mesh_plink_dec_estab_count(sdata); 2015 sta->mesh->plink_state = params->plink_state; 2016 2017 ieee80211_mps_sta_status_update(sta); 2018 changed |= ieee80211_mps_set_sta_local_pm(sta, 2019 NL80211_MESH_POWER_UNKNOWN); 2020 break; 2021 default: 2022 /* nothing */ 2023 break; 2024 } 2025 } 2026 2027 switch (params->plink_action) { 2028 case NL80211_PLINK_ACTION_NO_ACTION: 2029 /* nothing */ 2030 break; 2031 case NL80211_PLINK_ACTION_OPEN: 2032 changed |= mesh_plink_open(sta); 2033 break; 2034 case NL80211_PLINK_ACTION_BLOCK: 2035 changed |= mesh_plink_block(sta); 2036 break; 2037 } 2038 2039 if (params->local_pm) 2040 changed |= ieee80211_mps_set_sta_local_pm(sta, 2041 params->local_pm); 2042 2043 ieee80211_mbss_info_change_notify(sdata, changed); 2044 #endif 2045 } 2046 2047 enum sta_link_apply_mode { 2048 STA_LINK_MODE_NEW, 2049 STA_LINK_MODE_STA_MODIFY, 2050 STA_LINK_MODE_LINK_MODIFY, 2051 }; 2052 2053 static int sta_link_apply_parameters(struct ieee80211_local *local, 2054 struct sta_info *sta, 2055 enum sta_link_apply_mode mode, 2056 struct link_station_parameters *params) 2057 { 2058 struct ieee80211_supported_band *sband; 2059 struct ieee80211_sub_if_data *sdata = sta->sdata; 2060 u32 link_id = params->link_id < 0 ? 0 : params->link_id; 2061 struct ieee80211_link_data *link = 2062 sdata_dereference(sdata->link[link_id], sdata); 2063 struct link_sta_info *link_sta = 2064 rcu_dereference_protected(sta->link[link_id], 2065 lockdep_is_held(&local->hw.wiphy->mtx)); 2066 bool changes = params->link_mac || 2067 params->txpwr_set || 2068 params->supported_rates_len || 2069 params->ht_capa || 2070 params->vht_capa || 2071 params->he_capa || 2072 params->eht_capa || 2073 params->s1g_capa || 2074 params->opmode_notif_used; 2075 2076 switch (mode) { 2077 case STA_LINK_MODE_NEW: 2078 if (!params->link_mac) 2079 return -EINVAL; 2080 break; 2081 case STA_LINK_MODE_LINK_MODIFY: 2082 break; 2083 case STA_LINK_MODE_STA_MODIFY: 2084 if (params->link_id >= 0) 2085 break; 2086 if (!changes) 2087 return 0; 2088 break; 2089 } 2090 2091 if (!link || !link_sta) 2092 return -EINVAL; 2093 2094 sband = ieee80211_get_link_sband(link); 2095 if (!sband) 2096 return -EINVAL; 2097 2098 if (params->link_mac) { 2099 if (mode == STA_LINK_MODE_NEW) { 2100 memcpy(link_sta->addr, params->link_mac, ETH_ALEN); 2101 memcpy(link_sta->pub->addr, params->link_mac, ETH_ALEN); 2102 } else if (!ether_addr_equal(link_sta->addr, 2103 params->link_mac)) { 2104 return -EINVAL; 2105 } 2106 } 2107 2108 if (params->txpwr_set) { 2109 int ret; 2110 2111 link_sta->pub->txpwr.type = params->txpwr.type; 2112 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 2113 link_sta->pub->txpwr.power = params->txpwr.power; 2114 ret = drv_sta_set_txpwr(local, sdata, sta); 2115 if (ret) 2116 return ret; 2117 } 2118 2119 if (params->supported_rates && 2120 params->supported_rates_len && 2121 !ieee80211_parse_bitrates(link->conf->chanreq.oper.width, 2122 sband, params->supported_rates, 2123 params->supported_rates_len, 2124 &link_sta->pub->supp_rates[sband->band])) 2125 return -EINVAL; 2126 2127 if (params->ht_capa) 2128 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 2129 params->ht_capa, link_sta); 2130 2131 /* VHT can override some HT caps such as the A-MSDU max length */ 2132 if (params->vht_capa) 2133 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 2134 params->vht_capa, NULL, 2135 link_sta); 2136 2137 if (params->he_capa) 2138 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 2139 (void *)params->he_capa, 2140 params->he_capa_len, 2141 (void *)params->he_6ghz_capa, 2142 link_sta); 2143 2144 if (params->he_capa && params->eht_capa) 2145 ieee80211_eht_cap_ie_to_sta_eht_cap(sdata, sband, 2146 (u8 *)params->he_capa, 2147 params->he_capa_len, 2148 params->eht_capa, 2149 params->eht_capa_len, 2150 link_sta); 2151 2152 if (params->s1g_capa) 2153 ieee80211_s1g_cap_to_sta_s1g_cap(sdata, params->s1g_capa, 2154 link_sta); 2155 2156 ieee80211_sta_init_nss(link_sta); 2157 2158 if (params->opmode_notif_used) { 2159 enum nl80211_chan_width width = link->conf->chanreq.oper.width; 2160 2161 switch (width) { 2162 case NL80211_CHAN_WIDTH_20: 2163 case NL80211_CHAN_WIDTH_40: 2164 case NL80211_CHAN_WIDTH_80: 2165 case NL80211_CHAN_WIDTH_160: 2166 case NL80211_CHAN_WIDTH_80P80: 2167 case NL80211_CHAN_WIDTH_320: /* not VHT, allowed for HE/EHT */ 2168 break; 2169 default: 2170 return -EINVAL; 2171 } 2172 2173 /* returned value is only needed for rc update, but the 2174 * rc isn't initialized here yet, so ignore it 2175 */ 2176 __ieee80211_vht_handle_opmode(sdata, link_sta, 2177 params->opmode_notif, 2178 sband->band); 2179 } 2180 2181 return 0; 2182 } 2183 2184 static int sta_apply_parameters(struct ieee80211_local *local, 2185 struct sta_info *sta, 2186 struct station_parameters *params) 2187 { 2188 struct ieee80211_sub_if_data *sdata = sta->sdata; 2189 u32 mask, set; 2190 int ret = 0; 2191 2192 mask = params->sta_flags_mask; 2193 set = params->sta_flags_set; 2194 2195 if (ieee80211_vif_is_mesh(&sdata->vif)) { 2196 /* 2197 * In mesh mode, ASSOCIATED isn't part of the nl80211 2198 * API but must follow AUTHENTICATED for driver state. 2199 */ 2200 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2201 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2202 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 2203 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 2204 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2205 /* 2206 * TDLS -- everything follows authorized, but 2207 * only becoming authorized is possible, not 2208 * going back 2209 */ 2210 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2211 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2212 BIT(NL80211_STA_FLAG_ASSOCIATED); 2213 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 2214 BIT(NL80211_STA_FLAG_ASSOCIATED); 2215 } 2216 } 2217 2218 if (mask & BIT(NL80211_STA_FLAG_WME) && 2219 local->hw.queues >= IEEE80211_NUM_ACS) 2220 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 2221 2222 /* auth flags will be set later for TDLS, 2223 * and for unassociated stations that move to associated */ 2224 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2225 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 2226 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 2227 ret = sta_apply_auth_flags(local, sta, mask, set); 2228 if (ret) 2229 return ret; 2230 } 2231 2232 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 2233 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 2234 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2235 else 2236 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 2237 } 2238 2239 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 2240 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 2241 if (set & BIT(NL80211_STA_FLAG_MFP)) 2242 set_sta_flag(sta, WLAN_STA_MFP); 2243 else 2244 clear_sta_flag(sta, WLAN_STA_MFP); 2245 } 2246 2247 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 2248 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2249 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 2250 else 2251 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 2252 } 2253 2254 if (mask & BIT(NL80211_STA_FLAG_SPP_AMSDU)) 2255 sta->sta.spp_amsdu = set & BIT(NL80211_STA_FLAG_SPP_AMSDU); 2256 2257 /* mark TDLS channel switch support, if the AP allows it */ 2258 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2259 !sdata->deflink.u.mgd.tdls_chan_switch_prohibited && 2260 params->ext_capab_len >= 4 && 2261 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 2262 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 2263 2264 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2265 !sdata->u.mgd.tdls_wider_bw_prohibited && 2266 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 2267 params->ext_capab_len >= 8 && 2268 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 2269 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 2270 2271 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 2272 sta->sta.uapsd_queues = params->uapsd_queues; 2273 sta->sta.max_sp = params->max_sp; 2274 } 2275 2276 ieee80211_sta_set_max_amsdu_subframes(sta, params->ext_capab, 2277 params->ext_capab_len); 2278 2279 /* 2280 * cfg80211 validates this (1-2007) and allows setting the AID 2281 * only when creating a new station entry. For S1G APs, the current 2282 * implementation supports a maximum of 1600 AIDs. 2283 */ 2284 if (params->aid) { 2285 if (sdata->vif.cfg.s1g && 2286 params->aid > IEEE80211_MAX_SUPPORTED_S1G_AID) 2287 return -EINVAL; 2288 2289 sta->sta.aid = params->aid; 2290 } 2291 2292 /* 2293 * Some of the following updates would be racy if called on an 2294 * existing station, via ieee80211_change_station(). However, 2295 * all such changes are rejected by cfg80211 except for updates 2296 * changing the supported rates on an existing but not yet used 2297 * TDLS peer. 2298 */ 2299 2300 if (params->listen_interval >= 0) 2301 sta->listen_interval = params->listen_interval; 2302 2303 if (params->eml_cap_present) 2304 sta->sta.eml_cap = params->eml_cap; 2305 2306 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_STA_MODIFY, 2307 ¶ms->link_sta_params); 2308 if (ret) 2309 return ret; 2310 2311 if (params->support_p2p_ps >= 0) 2312 sta->sta.support_p2p_ps = params->support_p2p_ps; 2313 2314 if (ieee80211_vif_is_mesh(&sdata->vif)) 2315 sta_apply_mesh_params(local, sta, params); 2316 2317 if (params->airtime_weight) 2318 sta->airtime_weight = params->airtime_weight; 2319 2320 /* set the STA state after all sta info from usermode has been set */ 2321 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 2322 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 2323 ret = sta_apply_auth_flags(local, sta, mask, set); 2324 if (ret) 2325 return ret; 2326 } 2327 2328 /* Mark the STA as MLO if MLD MAC address is available */ 2329 if (params->link_sta_params.mld_mac) 2330 sta->sta.mlo = true; 2331 2332 return 0; 2333 } 2334 2335 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 2336 const u8 *mac, 2337 struct station_parameters *params) 2338 { 2339 struct ieee80211_local *local = wiphy_priv(wiphy); 2340 struct sta_info *sta; 2341 struct ieee80211_sub_if_data *sdata; 2342 int err; 2343 2344 lockdep_assert_wiphy(local->hw.wiphy); 2345 2346 if (params->vlan) { 2347 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2348 2349 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 2350 sdata->vif.type != NL80211_IFTYPE_AP) 2351 return -EINVAL; 2352 } else 2353 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2354 2355 if (ether_addr_equal(mac, sdata->vif.addr)) 2356 return -EINVAL; 2357 2358 if (!is_valid_ether_addr(mac)) 2359 return -EINVAL; 2360 2361 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 2362 sdata->vif.type == NL80211_IFTYPE_STATION && 2363 !sdata->u.mgd.associated) 2364 return -EINVAL; 2365 2366 /* 2367 * If we have a link ID, it can be a non-MLO station on an AP MLD, 2368 * but we need to have a link_mac in that case as well, so use the 2369 * STA's MAC address in that case. 2370 */ 2371 if (params->link_sta_params.link_id >= 0) 2372 sta = sta_info_alloc_with_link(sdata, mac, 2373 params->link_sta_params.link_id, 2374 params->link_sta_params.link_mac ?: mac, 2375 GFP_KERNEL); 2376 else 2377 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 2378 2379 if (!sta) 2380 return -ENOMEM; 2381 2382 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 2383 sta->sta.tdls = true; 2384 2385 /* Though the mutex is not needed here (since the station is not 2386 * visible yet), sta_apply_parameters (and inner functions) require 2387 * the mutex due to other paths. 2388 */ 2389 err = sta_apply_parameters(local, sta, params); 2390 if (err) { 2391 sta_info_free(local, sta); 2392 return err; 2393 } 2394 2395 /* 2396 * for TDLS and for unassociated station, rate control should be 2397 * initialized only when rates are known and station is marked 2398 * authorized/associated 2399 */ 2400 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 2401 test_sta_flag(sta, WLAN_STA_ASSOC)) 2402 rate_control_rate_init_all_links(sta); 2403 2404 return sta_info_insert(sta); 2405 } 2406 2407 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 2408 struct station_del_parameters *params) 2409 { 2410 struct ieee80211_sub_if_data *sdata; 2411 2412 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2413 2414 if (params->mac) 2415 return sta_info_destroy_addr_bss(sdata, params->mac); 2416 2417 sta_info_flush(sdata, params->link_id); 2418 return 0; 2419 } 2420 2421 static int ieee80211_change_station(struct wiphy *wiphy, 2422 struct net_device *dev, const u8 *mac, 2423 struct station_parameters *params) 2424 { 2425 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2426 struct ieee80211_local *local = wiphy_priv(wiphy); 2427 struct sta_info *sta; 2428 struct ieee80211_sub_if_data *vlansdata; 2429 enum cfg80211_station_type statype; 2430 int err; 2431 2432 lockdep_assert_wiphy(local->hw.wiphy); 2433 2434 sta = sta_info_get_bss(sdata, mac); 2435 if (!sta) 2436 return -ENOENT; 2437 2438 switch (sdata->vif.type) { 2439 case NL80211_IFTYPE_MESH_POINT: 2440 if (sdata->u.mesh.user_mpm) 2441 statype = CFG80211_STA_MESH_PEER_USER; 2442 else 2443 statype = CFG80211_STA_MESH_PEER_KERNEL; 2444 break; 2445 case NL80211_IFTYPE_ADHOC: 2446 statype = CFG80211_STA_IBSS; 2447 break; 2448 case NL80211_IFTYPE_STATION: 2449 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 2450 statype = CFG80211_STA_AP_STA; 2451 break; 2452 } 2453 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2454 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 2455 else 2456 statype = CFG80211_STA_TDLS_PEER_SETUP; 2457 break; 2458 case NL80211_IFTYPE_AP: 2459 case NL80211_IFTYPE_AP_VLAN: 2460 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 2461 statype = CFG80211_STA_AP_CLIENT; 2462 else 2463 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 2464 break; 2465 default: 2466 return -EOPNOTSUPP; 2467 } 2468 2469 err = cfg80211_check_station_change(wiphy, params, statype); 2470 if (err) 2471 return err; 2472 2473 if (params->vlan && params->vlan != sta->sdata->dev) { 2474 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 2475 2476 if (params->vlan->ieee80211_ptr->use_4addr) { 2477 if (vlansdata->u.vlan.sta) 2478 return -EBUSY; 2479 2480 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 2481 __ieee80211_check_fast_rx_iface(vlansdata); 2482 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 2483 } 2484 2485 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 2486 sta->sdata->u.vlan.sta) 2487 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 2488 2489 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2490 ieee80211_vif_dec_num_mcast(sta->sdata); 2491 2492 sta->sdata = vlansdata; 2493 ieee80211_check_fast_rx(sta); 2494 ieee80211_check_fast_xmit(sta); 2495 2496 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 2497 ieee80211_vif_inc_num_mcast(sta->sdata); 2498 cfg80211_send_layer2_update(sta->sdata->dev, 2499 sta->sta.addr); 2500 } 2501 } 2502 2503 err = sta_apply_parameters(local, sta, params); 2504 if (err) 2505 return err; 2506 2507 if (sdata->vif.type == NL80211_IFTYPE_STATION && 2508 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 2509 ieee80211_recalc_ps(local); 2510 ieee80211_recalc_ps_vif(sdata); 2511 } 2512 2513 return 0; 2514 } 2515 2516 #ifdef CONFIG_MAC80211_MESH 2517 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 2518 const u8 *dst, const u8 *next_hop) 2519 { 2520 struct ieee80211_sub_if_data *sdata; 2521 struct mesh_path *mpath; 2522 struct sta_info *sta; 2523 2524 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2525 2526 rcu_read_lock(); 2527 sta = sta_info_get(sdata, next_hop); 2528 if (!sta) { 2529 rcu_read_unlock(); 2530 return -ENOENT; 2531 } 2532 2533 mpath = mesh_path_add(sdata, dst); 2534 if (IS_ERR(mpath)) { 2535 rcu_read_unlock(); 2536 return PTR_ERR(mpath); 2537 } 2538 2539 mesh_path_fix_nexthop(mpath, sta); 2540 2541 rcu_read_unlock(); 2542 return 0; 2543 } 2544 2545 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 2546 const u8 *dst) 2547 { 2548 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2549 2550 if (dst) 2551 return mesh_path_del(sdata, dst); 2552 2553 mesh_path_flush_by_iface(sdata); 2554 return 0; 2555 } 2556 2557 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 2558 const u8 *dst, const u8 *next_hop) 2559 { 2560 struct ieee80211_sub_if_data *sdata; 2561 struct mesh_path *mpath; 2562 struct sta_info *sta; 2563 2564 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2565 2566 rcu_read_lock(); 2567 2568 sta = sta_info_get(sdata, next_hop); 2569 if (!sta) { 2570 rcu_read_unlock(); 2571 return -ENOENT; 2572 } 2573 2574 mpath = mesh_path_lookup(sdata, dst); 2575 if (!mpath) { 2576 rcu_read_unlock(); 2577 return -ENOENT; 2578 } 2579 2580 mesh_path_fix_nexthop(mpath, sta); 2581 2582 rcu_read_unlock(); 2583 return 0; 2584 } 2585 2586 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 2587 struct mpath_info *pinfo) 2588 { 2589 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 2590 2591 if (next_hop_sta) 2592 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 2593 else 2594 eth_zero_addr(next_hop); 2595 2596 memset(pinfo, 0, sizeof(*pinfo)); 2597 2598 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 2599 2600 pinfo->filled = MPATH_INFO_FRAME_QLEN | 2601 MPATH_INFO_SN | 2602 MPATH_INFO_METRIC | 2603 MPATH_INFO_EXPTIME | 2604 MPATH_INFO_DISCOVERY_TIMEOUT | 2605 MPATH_INFO_DISCOVERY_RETRIES | 2606 MPATH_INFO_FLAGS | 2607 MPATH_INFO_HOP_COUNT | 2608 MPATH_INFO_PATH_CHANGE; 2609 2610 pinfo->frame_qlen = mpath->frame_queue.qlen; 2611 pinfo->sn = mpath->sn; 2612 pinfo->metric = mpath->metric; 2613 if (time_before(jiffies, mpath->exp_time)) 2614 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 2615 pinfo->discovery_timeout = 2616 jiffies_to_msecs(mpath->discovery_timeout); 2617 pinfo->discovery_retries = mpath->discovery_retries; 2618 if (mpath->flags & MESH_PATH_ACTIVE) 2619 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 2620 if (mpath->flags & MESH_PATH_RESOLVING) 2621 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 2622 if (mpath->flags & MESH_PATH_SN_VALID) 2623 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 2624 if (mpath->flags & MESH_PATH_FIXED) 2625 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 2626 if (mpath->flags & MESH_PATH_RESOLVED) 2627 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 2628 pinfo->hop_count = mpath->hop_count; 2629 pinfo->path_change_count = mpath->path_change_count; 2630 } 2631 2632 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 2633 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 2634 2635 { 2636 struct ieee80211_sub_if_data *sdata; 2637 struct mesh_path *mpath; 2638 2639 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2640 2641 rcu_read_lock(); 2642 mpath = mesh_path_lookup(sdata, dst); 2643 if (!mpath) { 2644 rcu_read_unlock(); 2645 return -ENOENT; 2646 } 2647 memcpy(dst, mpath->dst, ETH_ALEN); 2648 mpath_set_pinfo(mpath, next_hop, pinfo); 2649 rcu_read_unlock(); 2650 return 0; 2651 } 2652 2653 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 2654 int idx, u8 *dst, u8 *next_hop, 2655 struct mpath_info *pinfo) 2656 { 2657 struct ieee80211_sub_if_data *sdata; 2658 struct mesh_path *mpath; 2659 2660 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2661 2662 rcu_read_lock(); 2663 mpath = mesh_path_lookup_by_idx(sdata, idx); 2664 if (!mpath) { 2665 rcu_read_unlock(); 2666 return -ENOENT; 2667 } 2668 memcpy(dst, mpath->dst, ETH_ALEN); 2669 mpath_set_pinfo(mpath, next_hop, pinfo); 2670 rcu_read_unlock(); 2671 return 0; 2672 } 2673 2674 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 2675 struct mpath_info *pinfo) 2676 { 2677 memset(pinfo, 0, sizeof(*pinfo)); 2678 memcpy(mpp, mpath->mpp, ETH_ALEN); 2679 2680 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 2681 } 2682 2683 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 2684 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 2685 2686 { 2687 struct ieee80211_sub_if_data *sdata; 2688 struct mesh_path *mpath; 2689 2690 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2691 2692 rcu_read_lock(); 2693 mpath = mpp_path_lookup(sdata, dst); 2694 if (!mpath) { 2695 rcu_read_unlock(); 2696 return -ENOENT; 2697 } 2698 memcpy(dst, mpath->dst, ETH_ALEN); 2699 mpp_set_pinfo(mpath, mpp, pinfo); 2700 rcu_read_unlock(); 2701 return 0; 2702 } 2703 2704 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2705 int idx, u8 *dst, u8 *mpp, 2706 struct mpath_info *pinfo) 2707 { 2708 struct ieee80211_sub_if_data *sdata; 2709 struct mesh_path *mpath; 2710 2711 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2712 2713 rcu_read_lock(); 2714 mpath = mpp_path_lookup_by_idx(sdata, idx); 2715 if (!mpath) { 2716 rcu_read_unlock(); 2717 return -ENOENT; 2718 } 2719 memcpy(dst, mpath->dst, ETH_ALEN); 2720 mpp_set_pinfo(mpath, mpp, pinfo); 2721 rcu_read_unlock(); 2722 return 0; 2723 } 2724 2725 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2726 struct net_device *dev, 2727 struct mesh_config *conf) 2728 { 2729 struct ieee80211_sub_if_data *sdata; 2730 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2731 2732 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2733 return 0; 2734 } 2735 2736 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2737 { 2738 return (mask >> (parm-1)) & 0x1; 2739 } 2740 2741 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2742 const struct mesh_setup *setup) 2743 { 2744 u8 *new_ie; 2745 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2746 struct ieee80211_sub_if_data, u.mesh); 2747 int i; 2748 2749 /* allocate information elements */ 2750 new_ie = NULL; 2751 2752 if (setup->ie_len) { 2753 new_ie = kmemdup(setup->ie, setup->ie_len, 2754 GFP_KERNEL); 2755 if (!new_ie) 2756 return -ENOMEM; 2757 } 2758 ifmsh->ie_len = setup->ie_len; 2759 ifmsh->ie = new_ie; 2760 2761 /* now copy the rest of the setup parameters */ 2762 ifmsh->mesh_id_len = setup->mesh_id_len; 2763 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2764 ifmsh->mesh_sp_id = setup->sync_method; 2765 ifmsh->mesh_pp_id = setup->path_sel_proto; 2766 ifmsh->mesh_pm_id = setup->path_metric; 2767 ifmsh->user_mpm = setup->user_mpm; 2768 ifmsh->mesh_auth_id = setup->auth_id; 2769 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2770 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2771 if (setup->is_authenticated) 2772 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2773 if (setup->is_secure) 2774 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2775 2776 /* mcast rate setting in Mesh Node */ 2777 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2778 sizeof(setup->mcast_rate)); 2779 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2780 2781 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2782 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2783 2784 sdata->beacon_rate_set = false; 2785 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2786 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2787 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2788 sdata->beacon_rateidx_mask[i] = 2789 setup->beacon_rate.control[i].legacy; 2790 if (sdata->beacon_rateidx_mask[i]) 2791 sdata->beacon_rate_set = true; 2792 } 2793 } 2794 2795 return 0; 2796 } 2797 2798 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2799 struct net_device *dev, u32 mask, 2800 const struct mesh_config *nconf) 2801 { 2802 struct mesh_config *conf; 2803 struct ieee80211_sub_if_data *sdata; 2804 struct ieee80211_if_mesh *ifmsh; 2805 2806 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2807 ifmsh = &sdata->u.mesh; 2808 2809 /* Set the config options which we are interested in setting */ 2810 conf = &(sdata->u.mesh.mshcfg); 2811 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2812 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2813 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2814 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2815 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2816 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2817 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2818 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2819 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2820 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2821 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2822 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2823 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2824 conf->element_ttl = nconf->element_ttl; 2825 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2826 if (ifmsh->user_mpm) 2827 return -EBUSY; 2828 conf->auto_open_plinks = nconf->auto_open_plinks; 2829 } 2830 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2831 conf->dot11MeshNbrOffsetMaxNeighbor = 2832 nconf->dot11MeshNbrOffsetMaxNeighbor; 2833 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2834 conf->dot11MeshHWMPmaxPREQretries = 2835 nconf->dot11MeshHWMPmaxPREQretries; 2836 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2837 conf->path_refresh_time = nconf->path_refresh_time; 2838 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2839 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2840 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2841 conf->dot11MeshHWMPactivePathTimeout = 2842 nconf->dot11MeshHWMPactivePathTimeout; 2843 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2844 conf->dot11MeshHWMPpreqMinInterval = 2845 nconf->dot11MeshHWMPpreqMinInterval; 2846 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2847 conf->dot11MeshHWMPperrMinInterval = 2848 nconf->dot11MeshHWMPperrMinInterval; 2849 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2850 mask)) 2851 conf->dot11MeshHWMPnetDiameterTraversalTime = 2852 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2853 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2854 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2855 ieee80211_mesh_root_setup(ifmsh); 2856 } 2857 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2858 /* our current gate announcement implementation rides on root 2859 * announcements, so require this ifmsh to also be a root node 2860 * */ 2861 if (nconf->dot11MeshGateAnnouncementProtocol && 2862 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2863 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2864 ieee80211_mesh_root_setup(ifmsh); 2865 } 2866 conf->dot11MeshGateAnnouncementProtocol = 2867 nconf->dot11MeshGateAnnouncementProtocol; 2868 } 2869 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2870 conf->dot11MeshHWMPRannInterval = 2871 nconf->dot11MeshHWMPRannInterval; 2872 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2873 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2874 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2875 /* our RSSI threshold implementation is supported only for 2876 * devices that report signal in dBm. 2877 */ 2878 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2879 return -EOPNOTSUPP; 2880 conf->rssi_threshold = nconf->rssi_threshold; 2881 } 2882 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2883 conf->ht_opmode = nconf->ht_opmode; 2884 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2885 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 2886 BSS_CHANGED_HT); 2887 } 2888 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2889 conf->dot11MeshHWMPactivePathToRootTimeout = 2890 nconf->dot11MeshHWMPactivePathToRootTimeout; 2891 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2892 conf->dot11MeshHWMProotInterval = 2893 nconf->dot11MeshHWMProotInterval; 2894 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2895 conf->dot11MeshHWMPconfirmationInterval = 2896 nconf->dot11MeshHWMPconfirmationInterval; 2897 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2898 conf->power_mode = nconf->power_mode; 2899 ieee80211_mps_local_status_update(sdata); 2900 } 2901 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2902 conf->dot11MeshAwakeWindowDuration = 2903 nconf->dot11MeshAwakeWindowDuration; 2904 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2905 conf->plink_timeout = nconf->plink_timeout; 2906 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2907 conf->dot11MeshConnectedToMeshGate = 2908 nconf->dot11MeshConnectedToMeshGate; 2909 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2910 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2911 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2912 conf->dot11MeshConnectedToAuthServer = 2913 nconf->dot11MeshConnectedToAuthServer; 2914 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2915 return 0; 2916 } 2917 2918 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2919 const struct mesh_config *conf, 2920 const struct mesh_setup *setup) 2921 { 2922 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2923 struct ieee80211_chan_req chanreq = { .oper = setup->chandef }; 2924 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2925 int err; 2926 2927 lockdep_assert_wiphy(sdata->local->hw.wiphy); 2928 2929 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2930 err = copy_mesh_setup(ifmsh, setup); 2931 if (err) 2932 return err; 2933 2934 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2935 2936 /* can mesh use other SMPS modes? */ 2937 sdata->deflink.smps_mode = IEEE80211_SMPS_OFF; 2938 sdata->deflink.needed_rx_chains = sdata->local->rx_chains; 2939 2940 err = ieee80211_link_use_channel(&sdata->deflink, &chanreq, 2941 IEEE80211_CHANCTX_SHARED); 2942 if (err) 2943 return err; 2944 2945 return ieee80211_start_mesh(sdata); 2946 } 2947 2948 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2949 { 2950 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2951 2952 lockdep_assert_wiphy(sdata->local->hw.wiphy); 2953 2954 ieee80211_stop_mesh(sdata); 2955 ieee80211_link_release_channel(&sdata->deflink); 2956 kfree(sdata->u.mesh.ie); 2957 2958 return 0; 2959 } 2960 #endif 2961 2962 static int ieee80211_change_bss(struct wiphy *wiphy, 2963 struct net_device *dev, 2964 struct bss_parameters *params) 2965 { 2966 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2967 struct ieee80211_link_data *link; 2968 struct ieee80211_supported_band *sband; 2969 u64 changed = 0; 2970 2971 link = ieee80211_link_or_deflink(sdata, params->link_id, true); 2972 if (IS_ERR(link)) 2973 return PTR_ERR(link); 2974 2975 if (!sdata_dereference(link->u.ap.beacon, sdata)) 2976 return -ENOENT; 2977 2978 sband = ieee80211_get_link_sband(link); 2979 if (!sband) 2980 return -EINVAL; 2981 2982 if (params->basic_rates) { 2983 if (!ieee80211_parse_bitrates(link->conf->chanreq.oper.width, 2984 wiphy->bands[sband->band], 2985 params->basic_rates, 2986 params->basic_rates_len, 2987 &link->conf->basic_rates)) 2988 return -EINVAL; 2989 changed |= BSS_CHANGED_BASIC_RATES; 2990 ieee80211_check_rate_mask(link); 2991 } 2992 2993 if (params->use_cts_prot >= 0) { 2994 link->conf->use_cts_prot = params->use_cts_prot; 2995 changed |= BSS_CHANGED_ERP_CTS_PROT; 2996 } 2997 if (params->use_short_preamble >= 0) { 2998 link->conf->use_short_preamble = params->use_short_preamble; 2999 changed |= BSS_CHANGED_ERP_PREAMBLE; 3000 } 3001 3002 if (!link->conf->use_short_slot && 3003 (sband->band == NL80211_BAND_5GHZ || 3004 sband->band == NL80211_BAND_6GHZ)) { 3005 link->conf->use_short_slot = true; 3006 changed |= BSS_CHANGED_ERP_SLOT; 3007 } 3008 3009 if (params->use_short_slot_time >= 0) { 3010 link->conf->use_short_slot = params->use_short_slot_time; 3011 changed |= BSS_CHANGED_ERP_SLOT; 3012 } 3013 3014 if (params->ap_isolate >= 0) { 3015 if (params->ap_isolate) 3016 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3017 else 3018 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 3019 ieee80211_check_fast_rx_iface(sdata); 3020 } 3021 3022 if (params->ht_opmode >= 0) { 3023 link->conf->ht_operation_mode = (u16)params->ht_opmode; 3024 changed |= BSS_CHANGED_HT; 3025 } 3026 3027 if (params->p2p_ctwindow >= 0) { 3028 link->conf->p2p_noa_attr.oppps_ctwindow &= 3029 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3030 link->conf->p2p_noa_attr.oppps_ctwindow |= 3031 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 3032 changed |= BSS_CHANGED_P2P_PS; 3033 } 3034 3035 if (params->p2p_opp_ps > 0) { 3036 link->conf->p2p_noa_attr.oppps_ctwindow |= 3037 IEEE80211_P2P_OPPPS_ENABLE_BIT; 3038 changed |= BSS_CHANGED_P2P_PS; 3039 } else if (params->p2p_opp_ps == 0) { 3040 link->conf->p2p_noa_attr.oppps_ctwindow &= 3041 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 3042 changed |= BSS_CHANGED_P2P_PS; 3043 } 3044 3045 ieee80211_link_info_change_notify(sdata, link, changed); 3046 3047 return 0; 3048 } 3049 3050 static int ieee80211_set_txq_params(struct wiphy *wiphy, 3051 struct net_device *dev, 3052 struct ieee80211_txq_params *params) 3053 { 3054 struct ieee80211_local *local = wiphy_priv(wiphy); 3055 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3056 struct ieee80211_link_data *link = 3057 ieee80211_link_or_deflink(sdata, params->link_id, true); 3058 struct ieee80211_tx_queue_params p; 3059 3060 if (!local->ops->conf_tx) 3061 return -EOPNOTSUPP; 3062 3063 if (local->hw.queues < IEEE80211_NUM_ACS) 3064 return -EOPNOTSUPP; 3065 3066 if (IS_ERR(link)) 3067 return PTR_ERR(link); 3068 3069 memset(&p, 0, sizeof(p)); 3070 p.aifs = params->aifs; 3071 p.cw_max = params->cwmax; 3072 p.cw_min = params->cwmin; 3073 p.txop = params->txop; 3074 3075 /* 3076 * Setting tx queue params disables u-apsd because it's only 3077 * called in master mode. 3078 */ 3079 p.uapsd = false; 3080 3081 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 3082 3083 link->tx_conf[params->ac] = p; 3084 if (drv_conf_tx(local, link, params->ac, &p)) { 3085 wiphy_debug(local->hw.wiphy, 3086 "failed to set TX queue parameters for AC %d\n", 3087 params->ac); 3088 return -EINVAL; 3089 } 3090 3091 ieee80211_link_info_change_notify(sdata, link, 3092 BSS_CHANGED_QOS); 3093 3094 return 0; 3095 } 3096 3097 #ifdef CONFIG_PM 3098 static int ieee80211_suspend(struct wiphy *wiphy, 3099 struct cfg80211_wowlan *wowlan) 3100 { 3101 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 3102 } 3103 3104 static int ieee80211_resume(struct wiphy *wiphy) 3105 { 3106 return __ieee80211_resume(wiphy_priv(wiphy)); 3107 } 3108 #else 3109 #define ieee80211_suspend NULL 3110 #define ieee80211_resume NULL 3111 #endif 3112 3113 static int ieee80211_scan(struct wiphy *wiphy, 3114 struct cfg80211_scan_request *req) 3115 { 3116 struct ieee80211_sub_if_data *sdata; 3117 struct ieee80211_link_data *link; 3118 struct ieee80211_channel *chan; 3119 int radio_idx; 3120 3121 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 3122 3123 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 3124 case NL80211_IFTYPE_STATION: 3125 case NL80211_IFTYPE_ADHOC: 3126 case NL80211_IFTYPE_MESH_POINT: 3127 case NL80211_IFTYPE_P2P_CLIENT: 3128 case NL80211_IFTYPE_P2P_DEVICE: 3129 break; 3130 case NL80211_IFTYPE_P2P_GO: 3131 if (sdata->local->ops->hw_scan) 3132 break; 3133 /* 3134 * FIXME: implement NoA while scanning in software, 3135 * for now fall through to allow scanning only when 3136 * beaconing hasn't been configured yet 3137 */ 3138 fallthrough; 3139 case NL80211_IFTYPE_AP: 3140 /* 3141 * If the scan has been forced (and the driver supports 3142 * forcing), don't care about being beaconing already. 3143 * This will create problems to the attached stations (e.g. all 3144 * the frames sent while scanning on other channel will be 3145 * lost) 3146 */ 3147 for_each_link_data(sdata, link) { 3148 /* if the link is not beaconing, ignore it */ 3149 if (!sdata_dereference(link->u.ap.beacon, sdata)) 3150 continue; 3151 3152 chan = link->conf->chanreq.oper.chan; 3153 radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chan); 3154 3155 if (ieee80211_is_radio_idx_in_scan_req(wiphy, req, 3156 radio_idx) && 3157 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 3158 !(req->flags & NL80211_SCAN_FLAG_AP))) 3159 return -EOPNOTSUPP; 3160 } 3161 break; 3162 case NL80211_IFTYPE_NAN: 3163 default: 3164 return -EOPNOTSUPP; 3165 } 3166 3167 return ieee80211_request_scan(sdata, req); 3168 } 3169 3170 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 3171 { 3172 ieee80211_scan_cancel(wiphy_priv(wiphy)); 3173 } 3174 3175 static int 3176 ieee80211_sched_scan_start(struct wiphy *wiphy, 3177 struct net_device *dev, 3178 struct cfg80211_sched_scan_request *req) 3179 { 3180 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3181 3182 if (!sdata->local->ops->sched_scan_start) 3183 return -EOPNOTSUPP; 3184 3185 return ieee80211_request_sched_scan_start(sdata, req); 3186 } 3187 3188 static int 3189 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 3190 u64 reqid) 3191 { 3192 struct ieee80211_local *local = wiphy_priv(wiphy); 3193 3194 if (!local->ops->sched_scan_stop) 3195 return -EOPNOTSUPP; 3196 3197 return ieee80211_request_sched_scan_stop(local); 3198 } 3199 3200 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 3201 struct cfg80211_auth_request *req) 3202 { 3203 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3204 } 3205 3206 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 3207 struct cfg80211_assoc_request *req) 3208 { 3209 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3210 } 3211 3212 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 3213 struct cfg80211_deauth_request *req) 3214 { 3215 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 3216 } 3217 3218 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 3219 struct cfg80211_disassoc_request *req) 3220 { 3221 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 3222 } 3223 3224 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 3225 struct cfg80211_ibss_params *params) 3226 { 3227 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 3228 } 3229 3230 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 3231 { 3232 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3233 } 3234 3235 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 3236 struct ocb_setup *setup) 3237 { 3238 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 3239 } 3240 3241 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 3242 { 3243 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 3244 } 3245 3246 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 3247 int rate[NUM_NL80211_BANDS]) 3248 { 3249 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3250 3251 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 3252 sizeof(int) * NUM_NL80211_BANDS); 3253 3254 if (ieee80211_sdata_running(sdata)) 3255 ieee80211_link_info_change_notify(sdata, &sdata->deflink, 3256 BSS_CHANGED_MCAST_RATE); 3257 3258 return 0; 3259 } 3260 3261 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx, 3262 u32 changed) 3263 { 3264 struct ieee80211_local *local = wiphy_priv(wiphy); 3265 int err; 3266 3267 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 3268 ieee80211_check_fast_xmit_all(local); 3269 3270 err = drv_set_frag_threshold(local, radio_idx, 3271 wiphy->frag_threshold); 3272 3273 if (err) { 3274 ieee80211_check_fast_xmit_all(local); 3275 return err; 3276 } 3277 } 3278 3279 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 3280 (changed & WIPHY_PARAM_DYN_ACK)) { 3281 s16 coverage_class; 3282 3283 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 3284 wiphy->coverage_class : -1; 3285 err = drv_set_coverage_class(local, radio_idx, 3286 coverage_class); 3287 3288 if (err) 3289 return err; 3290 } 3291 3292 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 3293 u32 rts_threshold; 3294 3295 if ((radio_idx == -1) || (radio_idx >= wiphy->n_radio)) 3296 rts_threshold = wiphy->rts_threshold; 3297 else 3298 rts_threshold = 3299 wiphy->radio_cfg[radio_idx].rts_threshold; 3300 3301 err = drv_set_rts_threshold(local, radio_idx, rts_threshold); 3302 3303 if (err) 3304 return err; 3305 } 3306 3307 if (changed & WIPHY_PARAM_RETRY_SHORT) { 3308 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 3309 return -EINVAL; 3310 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 3311 } 3312 if (changed & WIPHY_PARAM_RETRY_LONG) { 3313 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 3314 return -EINVAL; 3315 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 3316 } 3317 if (changed & 3318 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 3319 ieee80211_hw_config(local, radio_idx, 3320 IEEE80211_CONF_CHANGE_RETRY_LIMITS); 3321 3322 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 3323 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 3324 WIPHY_PARAM_TXQ_QUANTUM)) 3325 ieee80211_txq_set_params(local, radio_idx); 3326 3327 return 0; 3328 } 3329 3330 static int ieee80211_set_tx_power(struct wiphy *wiphy, 3331 struct wireless_dev *wdev, int radio_idx, 3332 enum nl80211_tx_power_setting type, int mbm) 3333 { 3334 struct ieee80211_local *local = wiphy_priv(wiphy); 3335 struct ieee80211_sub_if_data *sdata; 3336 enum nl80211_tx_power_setting txp_type = type; 3337 bool update_txp_type = false; 3338 bool has_monitor = false; 3339 int user_power_level; 3340 int old_power = local->user_power_level; 3341 3342 lockdep_assert_wiphy(local->hw.wiphy); 3343 3344 switch (type) { 3345 case NL80211_TX_POWER_AUTOMATIC: 3346 user_power_level = IEEE80211_UNSET_POWER_LEVEL; 3347 txp_type = NL80211_TX_POWER_LIMITED; 3348 break; 3349 case NL80211_TX_POWER_LIMITED: 3350 case NL80211_TX_POWER_FIXED: 3351 if (mbm < 0 || (mbm % 100)) 3352 return -EOPNOTSUPP; 3353 user_power_level = MBM_TO_DBM(mbm); 3354 break; 3355 default: 3356 return -EINVAL; 3357 } 3358 3359 if (wdev) { 3360 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3361 3362 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3363 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3364 if (!ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) 3365 return -EOPNOTSUPP; 3366 3367 sdata = wiphy_dereference(local->hw.wiphy, 3368 local->monitor_sdata); 3369 if (!sdata) 3370 return -EOPNOTSUPP; 3371 } 3372 3373 for (int link_id = 0; 3374 link_id < ARRAY_SIZE(sdata->link); 3375 link_id++) { 3376 struct ieee80211_link_data *link = 3377 wiphy_dereference(wiphy, sdata->link[link_id]); 3378 3379 if (!link) 3380 continue; 3381 3382 link->user_power_level = user_power_level; 3383 3384 if (txp_type != link->conf->txpower_type) { 3385 update_txp_type = true; 3386 link->conf->txpower_type = txp_type; 3387 } 3388 3389 ieee80211_recalc_txpower(link, update_txp_type); 3390 } 3391 return 0; 3392 } 3393 3394 local->user_power_level = user_power_level; 3395 3396 list_for_each_entry(sdata, &local->interfaces, list) { 3397 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3398 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) { 3399 has_monitor = true; 3400 continue; 3401 } 3402 3403 for (int link_id = 0; 3404 link_id < ARRAY_SIZE(sdata->link); 3405 link_id++) { 3406 struct ieee80211_link_data *link = 3407 wiphy_dereference(wiphy, sdata->link[link_id]); 3408 3409 if (!link) 3410 continue; 3411 3412 link->user_power_level = local->user_power_level; 3413 if (txp_type != link->conf->txpower_type) 3414 update_txp_type = true; 3415 link->conf->txpower_type = txp_type; 3416 } 3417 } 3418 list_for_each_entry(sdata, &local->interfaces, list) { 3419 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && 3420 !ieee80211_hw_check(&local->hw, NO_VIRTUAL_MONITOR)) 3421 continue; 3422 3423 for (int link_id = 0; 3424 link_id < ARRAY_SIZE(sdata->link); 3425 link_id++) { 3426 struct ieee80211_link_data *link = 3427 wiphy_dereference(wiphy, sdata->link[link_id]); 3428 3429 if (!link) 3430 continue; 3431 3432 ieee80211_recalc_txpower(link, update_txp_type); 3433 } 3434 } 3435 3436 if (has_monitor) { 3437 sdata = wiphy_dereference(local->hw.wiphy, 3438 local->monitor_sdata); 3439 if (sdata && ieee80211_hw_check(&local->hw, WANT_MONITOR_VIF)) { 3440 sdata->deflink.user_power_level = local->user_power_level; 3441 if (txp_type != sdata->vif.bss_conf.txpower_type) 3442 update_txp_type = true; 3443 sdata->vif.bss_conf.txpower_type = txp_type; 3444 3445 ieee80211_recalc_txpower(&sdata->deflink, 3446 update_txp_type); 3447 } 3448 } 3449 3450 if (local->emulate_chanctx && 3451 (old_power != local->user_power_level)) 3452 ieee80211_hw_conf_chan(local); 3453 3454 return 0; 3455 } 3456 3457 static int ieee80211_get_tx_power(struct wiphy *wiphy, 3458 struct wireless_dev *wdev, 3459 int radio_idx, 3460 unsigned int link_id, 3461 int *dbm) 3462 { 3463 struct ieee80211_local *local = wiphy_priv(wiphy); 3464 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3465 struct ieee80211_link_data *link_data; 3466 3467 if (local->ops->get_txpower && 3468 (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) 3469 return drv_get_txpower(local, sdata, link_id, dbm); 3470 3471 if (local->emulate_chanctx) { 3472 *dbm = local->hw.conf.power_level; 3473 } else { 3474 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 3475 3476 if (link_data) 3477 *dbm = link_data->conf->txpower; 3478 else 3479 return -ENOLINK; 3480 } 3481 3482 /* INT_MIN indicates no power level was set yet */ 3483 if (*dbm == INT_MIN) 3484 return -EINVAL; 3485 3486 return 0; 3487 } 3488 3489 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 3490 { 3491 struct ieee80211_local *local = wiphy_priv(wiphy); 3492 3493 drv_rfkill_poll(local); 3494 } 3495 3496 #ifdef CONFIG_NL80211_TESTMODE 3497 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 3498 struct wireless_dev *wdev, 3499 void *data, int len) 3500 { 3501 struct ieee80211_local *local = wiphy_priv(wiphy); 3502 struct ieee80211_vif *vif = NULL; 3503 3504 if (!local->ops->testmode_cmd) 3505 return -EOPNOTSUPP; 3506 3507 if (wdev) { 3508 struct ieee80211_sub_if_data *sdata; 3509 3510 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3511 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 3512 vif = &sdata->vif; 3513 } 3514 3515 return local->ops->testmode_cmd(&local->hw, vif, data, len); 3516 } 3517 3518 static int ieee80211_testmode_dump(struct wiphy *wiphy, 3519 struct sk_buff *skb, 3520 struct netlink_callback *cb, 3521 void *data, int len) 3522 { 3523 struct ieee80211_local *local = wiphy_priv(wiphy); 3524 3525 if (!local->ops->testmode_dump) 3526 return -EOPNOTSUPP; 3527 3528 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 3529 } 3530 #endif 3531 3532 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 3533 struct ieee80211_link_data *link, 3534 enum ieee80211_smps_mode smps_mode) 3535 { 3536 const u8 *ap; 3537 enum ieee80211_smps_mode old_req; 3538 int err; 3539 struct sta_info *sta; 3540 bool tdls_peer_found = false; 3541 3542 lockdep_assert_wiphy(sdata->local->hw.wiphy); 3543 3544 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 3545 return -EINVAL; 3546 3547 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3548 return 0; 3549 3550 old_req = link->u.mgd.req_smps; 3551 link->u.mgd.req_smps = smps_mode; 3552 3553 /* The driver indicated that EML is enabled for the interface, which 3554 * implies that SMPS flows towards the AP should be stopped. 3555 */ 3556 if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE) 3557 return 0; 3558 3559 if (old_req == smps_mode && 3560 smps_mode != IEEE80211_SMPS_AUTOMATIC) 3561 return 0; 3562 3563 /* 3564 * If not associated, or current association is not an HT 3565 * association, there's no need to do anything, just store 3566 * the new value until we associate. 3567 */ 3568 if (!sdata->u.mgd.associated || 3569 link->conf->chanreq.oper.width == NL80211_CHAN_WIDTH_20_NOHT) 3570 return 0; 3571 3572 ap = sdata->vif.cfg.ap_addr; 3573 3574 rcu_read_lock(); 3575 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 3576 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 3577 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 3578 continue; 3579 3580 tdls_peer_found = true; 3581 break; 3582 } 3583 rcu_read_unlock(); 3584 3585 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 3586 if (tdls_peer_found || !sdata->u.mgd.powersave) 3587 smps_mode = IEEE80211_SMPS_OFF; 3588 else 3589 smps_mode = IEEE80211_SMPS_DYNAMIC; 3590 } 3591 3592 /* send SM PS frame to AP */ 3593 err = ieee80211_send_smps_action(sdata, smps_mode, 3594 ap, ap, 3595 ieee80211_vif_is_mld(&sdata->vif) ? 3596 link->link_id : -1); 3597 if (err) 3598 link->u.mgd.req_smps = old_req; 3599 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 3600 ieee80211_teardown_tdls_peers(link); 3601 3602 return err; 3603 } 3604 3605 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 3606 bool enabled, int timeout) 3607 { 3608 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3609 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3610 unsigned int link_id; 3611 3612 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3613 return -EOPNOTSUPP; 3614 3615 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 3616 return -EOPNOTSUPP; 3617 3618 if (enabled == sdata->u.mgd.powersave && 3619 timeout == local->dynamic_ps_forced_timeout) 3620 return 0; 3621 3622 sdata->u.mgd.powersave = enabled; 3623 local->dynamic_ps_forced_timeout = timeout; 3624 3625 /* no change, but if automatic follow powersave */ 3626 for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) { 3627 struct ieee80211_link_data *link; 3628 3629 link = sdata_dereference(sdata->link[link_id], sdata); 3630 3631 if (!link) 3632 continue; 3633 __ieee80211_request_smps_mgd(sdata, link, 3634 link->u.mgd.req_smps); 3635 } 3636 3637 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 3638 ieee80211_hw_config(local, -1, IEEE80211_CONF_CHANGE_PS); 3639 3640 ieee80211_recalc_ps(local); 3641 ieee80211_recalc_ps_vif(sdata); 3642 ieee80211_check_fast_rx_iface(sdata); 3643 3644 return 0; 3645 } 3646 3647 static void ieee80211_set_cqm_rssi_link(struct ieee80211_sub_if_data *sdata, 3648 struct ieee80211_link_data *link, 3649 s32 rssi_thold, u32 rssi_hyst, 3650 s32 rssi_low, s32 rssi_high) 3651 { 3652 struct ieee80211_bss_conf *conf; 3653 3654 if (!link || !link->conf) 3655 return; 3656 3657 conf = link->conf; 3658 3659 if (rssi_thold && rssi_hyst && 3660 rssi_thold == conf->cqm_rssi_thold && 3661 rssi_hyst == conf->cqm_rssi_hyst) 3662 return; 3663 3664 conf->cqm_rssi_thold = rssi_thold; 3665 conf->cqm_rssi_hyst = rssi_hyst; 3666 conf->cqm_rssi_low = rssi_low; 3667 conf->cqm_rssi_high = rssi_high; 3668 link->u.mgd.last_cqm_event_signal = 0; 3669 3670 if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) 3671 return; 3672 3673 if (sdata->u.mgd.associated && 3674 (sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3675 ieee80211_link_info_change_notify(sdata, link, BSS_CHANGED_CQM); 3676 } 3677 3678 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 3679 struct net_device *dev, 3680 s32 rssi_thold, u32 rssi_hyst) 3681 { 3682 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3683 struct ieee80211_vif *vif = &sdata->vif; 3684 int link_id; 3685 3686 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER && 3687 !(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 3688 return -EOPNOTSUPP; 3689 3690 /* For MLD, handle CQM change on all the active links */ 3691 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 3692 struct ieee80211_link_data *link = 3693 sdata_dereference(sdata->link[link_id], sdata); 3694 3695 ieee80211_set_cqm_rssi_link(sdata, link, rssi_thold, rssi_hyst, 3696 0, 0); 3697 } 3698 3699 return 0; 3700 } 3701 3702 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 3703 struct net_device *dev, 3704 s32 rssi_low, s32 rssi_high) 3705 { 3706 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3707 struct ieee80211_vif *vif = &sdata->vif; 3708 int link_id; 3709 3710 if (vif->driver_flags & IEEE80211_VIF_BEACON_FILTER) 3711 return -EOPNOTSUPP; 3712 3713 /* For MLD, handle CQM change on all the active links */ 3714 for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) { 3715 struct ieee80211_link_data *link = 3716 sdata_dereference(sdata->link[link_id], sdata); 3717 3718 ieee80211_set_cqm_rssi_link(sdata, link, 0, 0, 3719 rssi_low, rssi_high); 3720 } 3721 3722 return 0; 3723 } 3724 3725 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 3726 struct net_device *dev, 3727 unsigned int link_id, 3728 const u8 *addr, 3729 const struct cfg80211_bitrate_mask *mask) 3730 { 3731 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3732 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 3733 int i, ret; 3734 3735 if (!ieee80211_sdata_running(sdata)) 3736 return -ENETDOWN; 3737 3738 /* 3739 * If active validate the setting and reject it if it doesn't leave 3740 * at least one basic rate usable, since we really have to be able 3741 * to send something, and if we're an AP we have to be able to do 3742 * so at a basic rate so that all clients can receive it. 3743 */ 3744 if (rcu_access_pointer(sdata->vif.bss_conf.chanctx_conf) && 3745 sdata->vif.bss_conf.chanreq.oper.chan) { 3746 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 3747 enum nl80211_band band; 3748 3749 band = sdata->vif.bss_conf.chanreq.oper.chan->band; 3750 3751 if (!(mask->control[band].legacy & basic_rates)) 3752 return -EINVAL; 3753 } 3754 3755 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 3756 ret = drv_set_bitrate_mask(local, sdata, mask); 3757 if (ret) 3758 return ret; 3759 } 3760 3761 for (i = 0; i < NUM_NL80211_BANDS; i++) { 3762 struct ieee80211_supported_band *sband = wiphy->bands[i]; 3763 int j; 3764 3765 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 3766 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 3767 sizeof(mask->control[i].ht_mcs)); 3768 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 3769 mask->control[i].vht_mcs, 3770 sizeof(mask->control[i].vht_mcs)); 3771 3772 sdata->rc_has_mcs_mask[i] = false; 3773 sdata->rc_has_vht_mcs_mask[i] = false; 3774 if (!sband) 3775 continue; 3776 3777 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 3778 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 3779 sdata->rc_has_mcs_mask[i] = true; 3780 break; 3781 } 3782 } 3783 3784 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 3785 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 3786 sdata->rc_has_vht_mcs_mask[i] = true; 3787 break; 3788 } 3789 } 3790 } 3791 3792 return 0; 3793 } 3794 3795 static bool ieee80211_is_scan_ongoing(struct wiphy *wiphy, 3796 struct ieee80211_local *local, 3797 struct cfg80211_chan_def *chandef) 3798 { 3799 struct cfg80211_scan_request *scan_req; 3800 int chan_radio_idx, req_radio_idx; 3801 struct ieee80211_roc_work *roc; 3802 3803 if (list_empty(&local->roc_list) && !local->scanning) 3804 return false; 3805 3806 req_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, chandef->chan); 3807 3808 if (local->scanning) { 3809 scan_req = wiphy_dereference(wiphy, local->scan_req); 3810 /* 3811 * Scan is going on but info is not there. Should not happen 3812 * but if it does, let's not take risk and assume we can't use 3813 * the hw hence return true 3814 */ 3815 if (WARN_ON_ONCE(!scan_req)) 3816 return true; 3817 3818 return ieee80211_is_radio_idx_in_scan_req(wiphy, scan_req, 3819 req_radio_idx); 3820 } 3821 3822 list_for_each_entry(roc, &local->roc_list, list) { 3823 chan_radio_idx = cfg80211_get_radio_idx_by_chan(wiphy, 3824 roc->chan); 3825 if (chan_radio_idx == req_radio_idx) 3826 return true; 3827 } 3828 3829 return false; 3830 } 3831 3832 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 3833 struct net_device *dev, 3834 struct cfg80211_chan_def *chandef, 3835 u32 cac_time_ms, int link_id) 3836 { 3837 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3838 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 3839 struct ieee80211_local *local = sdata->local; 3840 struct ieee80211_link_data *link_data; 3841 int err; 3842 3843 lockdep_assert_wiphy(local->hw.wiphy); 3844 3845 if (ieee80211_is_scan_ongoing(wiphy, local, chandef)) 3846 return -EBUSY; 3847 3848 link_data = sdata_dereference(sdata->link[link_id], sdata); 3849 if (!link_data) 3850 return -ENOLINK; 3851 3852 /* whatever, but channel contexts should not complain about that one */ 3853 link_data->smps_mode = IEEE80211_SMPS_OFF; 3854 link_data->needed_rx_chains = local->rx_chains; 3855 3856 err = ieee80211_link_use_channel(link_data, &chanreq, 3857 IEEE80211_CHANCTX_SHARED); 3858 if (err) 3859 return err; 3860 3861 wiphy_delayed_work_queue(wiphy, &link_data->dfs_cac_timer_work, 3862 msecs_to_jiffies(cac_time_ms)); 3863 3864 return 0; 3865 } 3866 3867 static void ieee80211_end_cac(struct wiphy *wiphy, 3868 struct net_device *dev, unsigned int link_id) 3869 { 3870 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3871 struct ieee80211_local *local = sdata->local; 3872 struct ieee80211_link_data *link_data; 3873 3874 lockdep_assert_wiphy(local->hw.wiphy); 3875 3876 list_for_each_entry(sdata, &local->interfaces, list) { 3877 link_data = sdata_dereference(sdata->link[link_id], sdata); 3878 if (!link_data) 3879 continue; 3880 3881 wiphy_delayed_work_cancel(wiphy, 3882 &link_data->dfs_cac_timer_work); 3883 3884 if (sdata->wdev.links[link_id].cac_started) { 3885 ieee80211_link_release_channel(link_data); 3886 sdata->wdev.links[link_id].cac_started = false; 3887 } 3888 } 3889 } 3890 3891 static struct cfg80211_beacon_data * 3892 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3893 { 3894 struct cfg80211_beacon_data *new_beacon; 3895 u8 *pos; 3896 int len; 3897 3898 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3899 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3900 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 3901 3902 if (beacon->mbssid_ies) 3903 len += ieee80211_get_mbssid_beacon_len(beacon->mbssid_ies, 3904 beacon->rnr_ies, 3905 beacon->mbssid_ies->cnt); 3906 3907 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3908 if (!new_beacon) 3909 return NULL; 3910 3911 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3912 new_beacon->mbssid_ies = 3913 kzalloc(struct_size(new_beacon->mbssid_ies, 3914 elem, beacon->mbssid_ies->cnt), 3915 GFP_KERNEL); 3916 if (!new_beacon->mbssid_ies) { 3917 kfree(new_beacon); 3918 return NULL; 3919 } 3920 3921 if (beacon->rnr_ies && beacon->rnr_ies->cnt) { 3922 new_beacon->rnr_ies = 3923 kzalloc(struct_size(new_beacon->rnr_ies, 3924 elem, beacon->rnr_ies->cnt), 3925 GFP_KERNEL); 3926 if (!new_beacon->rnr_ies) { 3927 kfree(new_beacon->mbssid_ies); 3928 kfree(new_beacon); 3929 return NULL; 3930 } 3931 } 3932 } 3933 3934 pos = (u8 *)(new_beacon + 1); 3935 if (beacon->head_len) { 3936 new_beacon->head_len = beacon->head_len; 3937 new_beacon->head = pos; 3938 memcpy(pos, beacon->head, beacon->head_len); 3939 pos += beacon->head_len; 3940 } 3941 if (beacon->tail_len) { 3942 new_beacon->tail_len = beacon->tail_len; 3943 new_beacon->tail = pos; 3944 memcpy(pos, beacon->tail, beacon->tail_len); 3945 pos += beacon->tail_len; 3946 } 3947 if (beacon->beacon_ies_len) { 3948 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3949 new_beacon->beacon_ies = pos; 3950 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3951 pos += beacon->beacon_ies_len; 3952 } 3953 if (beacon->proberesp_ies_len) { 3954 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3955 new_beacon->proberesp_ies = pos; 3956 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3957 pos += beacon->proberesp_ies_len; 3958 } 3959 if (beacon->assocresp_ies_len) { 3960 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3961 new_beacon->assocresp_ies = pos; 3962 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3963 pos += beacon->assocresp_ies_len; 3964 } 3965 if (beacon->probe_resp_len) { 3966 new_beacon->probe_resp_len = beacon->probe_resp_len; 3967 new_beacon->probe_resp = pos; 3968 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3969 pos += beacon->probe_resp_len; 3970 } 3971 if (beacon->mbssid_ies && beacon->mbssid_ies->cnt) { 3972 pos += ieee80211_copy_mbssid_beacon(pos, 3973 new_beacon->mbssid_ies, 3974 beacon->mbssid_ies); 3975 if (beacon->rnr_ies && beacon->rnr_ies->cnt) 3976 pos += ieee80211_copy_rnr_beacon(pos, 3977 new_beacon->rnr_ies, 3978 beacon->rnr_ies); 3979 } 3980 3981 /* might copy -1, meaning no changes requested */ 3982 new_beacon->ftm_responder = beacon->ftm_responder; 3983 if (beacon->lci) { 3984 new_beacon->lci_len = beacon->lci_len; 3985 new_beacon->lci = pos; 3986 memcpy(pos, beacon->lci, beacon->lci_len); 3987 pos += beacon->lci_len; 3988 } 3989 if (beacon->civicloc) { 3990 new_beacon->civicloc_len = beacon->civicloc_len; 3991 new_beacon->civicloc = pos; 3992 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3993 pos += beacon->civicloc_len; 3994 } 3995 3996 return new_beacon; 3997 } 3998 3999 void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id) 4000 { 4001 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4002 struct ieee80211_local *local = sdata->local; 4003 struct ieee80211_bss_conf *tx_bss_conf; 4004 struct ieee80211_link_data *link_data; 4005 4006 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4007 return; 4008 4009 rcu_read_lock(); 4010 4011 link_data = rcu_dereference(sdata->link[link_id]); 4012 if (WARN_ON(!link_data)) { 4013 rcu_read_unlock(); 4014 return; 4015 } 4016 4017 tx_bss_conf = rcu_dereference(link_data->conf->tx_bss_conf); 4018 if (tx_bss_conf == link_data->conf) { 4019 /* Trigger ieee80211_csa_finish() on the non-transmitting 4020 * interfaces when channel switch is received on 4021 * transmitting interface 4022 */ 4023 struct ieee80211_link_data *iter; 4024 4025 for_each_sdata_link_rcu(local, iter) { 4026 if (iter->sdata == sdata || 4027 rcu_access_pointer(iter->conf->tx_bss_conf) != tx_bss_conf) 4028 continue; 4029 4030 wiphy_work_queue(iter->sdata->local->hw.wiphy, 4031 &iter->csa.finalize_work); 4032 } 4033 } 4034 4035 wiphy_work_queue(local->hw.wiphy, &link_data->csa.finalize_work); 4036 4037 rcu_read_unlock(); 4038 } 4039 EXPORT_SYMBOL(ieee80211_csa_finish); 4040 4041 void ieee80211_channel_switch_disconnect(struct ieee80211_vif *vif) 4042 { 4043 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4044 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4045 struct ieee80211_local *local = sdata->local; 4046 4047 sdata_info(sdata, "channel switch failed, disconnecting\n"); 4048 wiphy_work_queue(local->hw.wiphy, &ifmgd->csa_connection_drop_work); 4049 } 4050 EXPORT_SYMBOL(ieee80211_channel_switch_disconnect); 4051 4052 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data, 4053 u64 *changed) 4054 { 4055 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4056 int err; 4057 4058 switch (sdata->vif.type) { 4059 case NL80211_IFTYPE_AP: 4060 if (!link_data->u.ap.next_beacon) 4061 return -EINVAL; 4062 4063 err = ieee80211_assign_beacon(sdata, link_data, 4064 link_data->u.ap.next_beacon, 4065 NULL, NULL, changed); 4066 ieee80211_free_next_beacon(link_data); 4067 4068 if (err < 0) 4069 return err; 4070 break; 4071 case NL80211_IFTYPE_ADHOC: 4072 err = ieee80211_ibss_finish_csa(sdata, changed); 4073 if (err < 0) 4074 return err; 4075 break; 4076 #ifdef CONFIG_MAC80211_MESH 4077 case NL80211_IFTYPE_MESH_POINT: 4078 err = ieee80211_mesh_finish_csa(sdata, changed); 4079 if (err < 0) 4080 return err; 4081 break; 4082 #endif 4083 default: 4084 WARN_ON(1); 4085 return -EINVAL; 4086 } 4087 4088 return 0; 4089 } 4090 4091 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4092 { 4093 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4094 struct ieee80211_local *local = sdata->local; 4095 struct ieee80211_bss_conf *link_conf = link_data->conf; 4096 u64 changed = 0; 4097 int err; 4098 4099 lockdep_assert_wiphy(local->hw.wiphy); 4100 4101 /* 4102 * using reservation isn't immediate as it may be deferred until later 4103 * with multi-vif. once reservation is complete it will re-schedule the 4104 * work with no reserved_chanctx so verify chandef to check if it 4105 * completed successfully 4106 */ 4107 4108 if (link_data->reserved_chanctx) { 4109 /* 4110 * with multi-vif csa driver may call ieee80211_csa_finish() 4111 * many times while waiting for other interfaces to use their 4112 * reservations 4113 */ 4114 if (link_data->reserved_ready) 4115 return 0; 4116 4117 return ieee80211_link_use_reserved_context(link_data); 4118 } 4119 4120 if (!cfg80211_chandef_identical(&link_conf->chanreq.oper, 4121 &link_data->csa.chanreq.oper)) 4122 return -EINVAL; 4123 4124 link_conf->csa_active = false; 4125 4126 err = ieee80211_set_after_csa_beacon(link_data, &changed); 4127 if (err) 4128 return err; 4129 4130 ieee80211_link_info_change_notify(sdata, link_data, changed); 4131 4132 ieee80211_vif_unblock_queues_csa(sdata); 4133 4134 err = drv_post_channel_switch(link_data); 4135 if (err) 4136 return err; 4137 4138 cfg80211_ch_switch_notify(sdata->dev, &link_data->csa.chanreq.oper, 4139 link_data->link_id); 4140 4141 return 0; 4142 } 4143 4144 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data) 4145 { 4146 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4147 4148 if (__ieee80211_csa_finalize(link_data)) { 4149 sdata_info(sdata, "failed to finalize CSA on link %d, disconnecting\n", 4150 link_data->link_id); 4151 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 4152 GFP_KERNEL); 4153 } 4154 } 4155 4156 void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work) 4157 { 4158 struct ieee80211_link_data *link = 4159 container_of(work, struct ieee80211_link_data, csa.finalize_work); 4160 struct ieee80211_sub_if_data *sdata = link->sdata; 4161 struct ieee80211_local *local = sdata->local; 4162 4163 lockdep_assert_wiphy(local->hw.wiphy); 4164 4165 /* AP might have been stopped while waiting for the lock. */ 4166 if (!link->conf->csa_active) 4167 return; 4168 4169 if (!ieee80211_sdata_running(sdata)) 4170 return; 4171 4172 ieee80211_csa_finalize(link); 4173 } 4174 4175 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data, 4176 struct cfg80211_csa_settings *params, 4177 u64 *changed) 4178 { 4179 struct ieee80211_sub_if_data *sdata = link_data->sdata; 4180 struct ieee80211_csa_settings csa = {}; 4181 int err; 4182 4183 switch (sdata->vif.type) { 4184 case NL80211_IFTYPE_AP: 4185 link_data->u.ap.next_beacon = 4186 cfg80211_beacon_dup(¶ms->beacon_after); 4187 if (!link_data->u.ap.next_beacon) 4188 return -ENOMEM; 4189 4190 /* 4191 * With a count of 0, we don't have to wait for any 4192 * TBTT before switching, so complete the CSA 4193 * immediately. In theory, with a count == 1 we 4194 * should delay the switch until just before the next 4195 * TBTT, but that would complicate things so we switch 4196 * immediately too. If we would delay the switch 4197 * until the next TBTT, we would have to set the probe 4198 * response here. 4199 * 4200 * TODO: A channel switch with count <= 1 without 4201 * sending a CSA action frame is kind of useless, 4202 * because the clients won't know we're changing 4203 * channels. The action frame must be implemented 4204 * either here or in the userspace. 4205 */ 4206 if (params->count <= 1) 4207 break; 4208 4209 if ((params->n_counter_offsets_beacon > 4210 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 4211 (params->n_counter_offsets_presp > 4212 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) { 4213 ieee80211_free_next_beacon(link_data); 4214 return -EINVAL; 4215 } 4216 4217 csa.counter_offsets_beacon = params->counter_offsets_beacon; 4218 csa.counter_offsets_presp = params->counter_offsets_presp; 4219 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 4220 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 4221 csa.count = params->count; 4222 4223 err = ieee80211_assign_beacon(sdata, link_data, 4224 ¶ms->beacon_csa, &csa, 4225 NULL, changed); 4226 if (err < 0) { 4227 ieee80211_free_next_beacon(link_data); 4228 return err; 4229 } 4230 4231 break; 4232 case NL80211_IFTYPE_ADHOC: 4233 if (!sdata->vif.cfg.ibss_joined) 4234 return -EINVAL; 4235 4236 if (params->chandef.width != sdata->u.ibss.chandef.width) 4237 return -EINVAL; 4238 4239 switch (params->chandef.width) { 4240 case NL80211_CHAN_WIDTH_40: 4241 if (cfg80211_get_chandef_type(¶ms->chandef) != 4242 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 4243 return -EINVAL; 4244 break; 4245 case NL80211_CHAN_WIDTH_5: 4246 case NL80211_CHAN_WIDTH_10: 4247 case NL80211_CHAN_WIDTH_20_NOHT: 4248 case NL80211_CHAN_WIDTH_20: 4249 break; 4250 default: 4251 return -EINVAL; 4252 } 4253 4254 /* changes into another band are not supported */ 4255 if (sdata->u.ibss.chandef.chan->band != 4256 params->chandef.chan->band) 4257 return -EINVAL; 4258 4259 /* see comments in the NL80211_IFTYPE_AP block */ 4260 if (params->count > 1) { 4261 err = ieee80211_ibss_csa_beacon(sdata, params, changed); 4262 if (err < 0) 4263 return err; 4264 } 4265 4266 ieee80211_send_action_csa(sdata, params); 4267 4268 break; 4269 #ifdef CONFIG_MAC80211_MESH 4270 case NL80211_IFTYPE_MESH_POINT: { 4271 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 4272 4273 /* changes into another band are not supported */ 4274 if (sdata->vif.bss_conf.chanreq.oper.chan->band != 4275 params->chandef.chan->band) 4276 return -EINVAL; 4277 4278 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 4279 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 4280 if (!ifmsh->pre_value) 4281 ifmsh->pre_value = 1; 4282 else 4283 ifmsh->pre_value++; 4284 } 4285 4286 /* see comments in the NL80211_IFTYPE_AP block */ 4287 if (params->count > 1) { 4288 err = ieee80211_mesh_csa_beacon(sdata, params, changed); 4289 if (err < 0) { 4290 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 4291 return err; 4292 } 4293 } 4294 4295 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 4296 ieee80211_send_action_csa(sdata, params); 4297 4298 break; 4299 } 4300 #endif 4301 default: 4302 return -EOPNOTSUPP; 4303 } 4304 4305 return 0; 4306 } 4307 4308 static void ieee80211_color_change_abort(struct ieee80211_link_data *link) 4309 { 4310 link->conf->color_change_active = false; 4311 4312 ieee80211_free_next_beacon(link); 4313 4314 cfg80211_color_change_aborted_notify(link->sdata->dev, link->link_id); 4315 } 4316 4317 static int 4318 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4319 struct cfg80211_csa_settings *params) 4320 { 4321 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4322 struct ieee80211_chan_req chanreq = { .oper = params->chandef }; 4323 struct ieee80211_local *local = sdata->local; 4324 struct ieee80211_channel_switch ch_switch = { 4325 .link_id = params->link_id, 4326 }; 4327 struct ieee80211_chanctx_conf *conf; 4328 struct ieee80211_chanctx *chanctx; 4329 struct ieee80211_bss_conf *link_conf; 4330 struct ieee80211_link_data *link_data; 4331 u64 changed = 0; 4332 u8 link_id = params->link_id; 4333 int err; 4334 4335 lockdep_assert_wiphy(local->hw.wiphy); 4336 4337 if (ieee80211_is_scan_ongoing(wiphy, local, ¶ms->chandef)) 4338 return -EBUSY; 4339 4340 if (sdata->wdev.links[link_id].cac_started) 4341 return -EBUSY; 4342 4343 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 4344 return -EINVAL; 4345 4346 link_data = wiphy_dereference(wiphy, sdata->link[link_id]); 4347 if (!link_data) 4348 return -ENOLINK; 4349 4350 link_conf = link_data->conf; 4351 4352 if (chanreq.oper.punctured && !link_conf->eht_support) 4353 return -EINVAL; 4354 4355 /* don't allow another channel switch if one is already active. */ 4356 if (link_conf->csa_active) 4357 return -EBUSY; 4358 4359 conf = wiphy_dereference(wiphy, link_conf->chanctx_conf); 4360 if (!conf) { 4361 err = -EBUSY; 4362 goto out; 4363 } 4364 4365 if (params->chandef.chan->freq_offset) { 4366 /* this may work, but is untested */ 4367 err = -EOPNOTSUPP; 4368 goto out; 4369 } 4370 4371 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 4372 ¶ms->unsol_bcast_probe_resp, 4373 link_data, link_conf, &changed); 4374 if (err) 4375 goto out; 4376 4377 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 4378 4379 ch_switch.timestamp = 0; 4380 ch_switch.device_timestamp = 0; 4381 ch_switch.block_tx = params->block_tx; 4382 ch_switch.chandef = chanreq.oper; 4383 ch_switch.count = params->count; 4384 4385 err = drv_pre_channel_switch(sdata, &ch_switch); 4386 if (err) 4387 goto out; 4388 4389 err = ieee80211_link_reserve_chanctx(link_data, &chanreq, 4390 chanctx->mode, 4391 params->radar_required); 4392 if (err) 4393 goto out; 4394 4395 /* if reservation is invalid then this will fail */ 4396 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0, -1); 4397 if (err) { 4398 ieee80211_link_unreserve_chanctx(link_data); 4399 goto out; 4400 } 4401 4402 /* if there is a color change in progress, abort it */ 4403 if (link_conf->color_change_active) 4404 ieee80211_color_change_abort(link_data); 4405 4406 err = ieee80211_set_csa_beacon(link_data, params, &changed); 4407 if (err) { 4408 ieee80211_link_unreserve_chanctx(link_data); 4409 goto out; 4410 } 4411 4412 link_data->csa.chanreq = chanreq; 4413 link_conf->csa_active = true; 4414 4415 if (params->block_tx) 4416 ieee80211_vif_block_queues_csa(sdata); 4417 4418 cfg80211_ch_switch_started_notify(sdata->dev, 4419 &link_data->csa.chanreq.oper, link_id, 4420 params->count, params->block_tx); 4421 4422 if (changed) { 4423 ieee80211_link_info_change_notify(sdata, link_data, changed); 4424 drv_channel_switch_beacon(sdata, &link_data->csa.chanreq.oper); 4425 } else { 4426 /* if the beacon didn't change, we can finalize immediately */ 4427 ieee80211_csa_finalize(link_data); 4428 } 4429 4430 out: 4431 return err; 4432 } 4433 4434 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 4435 struct cfg80211_csa_settings *params) 4436 { 4437 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4438 struct ieee80211_local *local = sdata->local; 4439 4440 lockdep_assert_wiphy(local->hw.wiphy); 4441 4442 return __ieee80211_channel_switch(wiphy, dev, params); 4443 } 4444 4445 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 4446 { 4447 lockdep_assert_wiphy(local->hw.wiphy); 4448 4449 local->roc_cookie_counter++; 4450 4451 /* wow, you wrapped 64 bits ... more likely a bug */ 4452 if (WARN_ON(local->roc_cookie_counter == 0)) 4453 local->roc_cookie_counter++; 4454 4455 return local->roc_cookie_counter; 4456 } 4457 4458 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 4459 u64 *cookie, gfp_t gfp) 4460 { 4461 unsigned long spin_flags; 4462 struct sk_buff *ack_skb; 4463 int id; 4464 4465 ack_skb = skb_copy(skb, gfp); 4466 if (!ack_skb) 4467 return -ENOMEM; 4468 4469 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 4470 id = idr_alloc(&local->ack_status_frames, ack_skb, 4471 1, 0x2000, GFP_ATOMIC); 4472 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 4473 4474 if (id < 0) { 4475 kfree_skb(ack_skb); 4476 return -ENOMEM; 4477 } 4478 4479 IEEE80211_SKB_CB(skb)->status_data_idr = 1; 4480 IEEE80211_SKB_CB(skb)->status_data = id; 4481 4482 *cookie = ieee80211_mgmt_tx_cookie(local); 4483 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 4484 4485 return 0; 4486 } 4487 4488 static void 4489 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 4490 struct wireless_dev *wdev, 4491 struct mgmt_frame_regs *upd) 4492 { 4493 struct ieee80211_local *local = wiphy_priv(wiphy); 4494 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4495 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 4496 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 4497 bool global_change, intf_change; 4498 4499 global_change = 4500 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 4501 (local->rx_mcast_action_reg != 4502 !!(upd->global_mcast_stypes & action_mask)); 4503 local->probe_req_reg = upd->global_stypes & preq_mask; 4504 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 4505 4506 intf_change = (sdata->vif.probe_req_reg != 4507 !!(upd->interface_stypes & preq_mask)) || 4508 (sdata->vif.rx_mcast_action_reg != 4509 !!(upd->interface_mcast_stypes & action_mask)); 4510 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 4511 sdata->vif.rx_mcast_action_reg = 4512 upd->interface_mcast_stypes & action_mask; 4513 4514 if (!local->open_count) 4515 return; 4516 4517 if (intf_change && ieee80211_sdata_running(sdata)) 4518 drv_config_iface_filter(local, sdata, 4519 sdata->vif.probe_req_reg ? 4520 FIF_PROBE_REQ : 0, 4521 FIF_PROBE_REQ); 4522 4523 if (global_change) 4524 ieee80211_configure_filter(local); 4525 } 4526 4527 static int ieee80211_set_antenna(struct wiphy *wiphy, int radio_idx, 4528 u32 tx_ant, u32 rx_ant) 4529 { 4530 struct ieee80211_local *local = wiphy_priv(wiphy); 4531 int ret; 4532 4533 if (local->started) 4534 return -EOPNOTSUPP; 4535 4536 ret = drv_set_antenna(local, tx_ant, rx_ant); 4537 if (ret) 4538 return ret; 4539 4540 local->rx_chains = hweight8(rx_ant); 4541 return 0; 4542 } 4543 4544 static int ieee80211_get_antenna(struct wiphy *wiphy, int radio_idx, 4545 u32 *tx_ant, u32 *rx_ant) 4546 { 4547 struct ieee80211_local *local = wiphy_priv(wiphy); 4548 4549 return drv_get_antenna(local, radio_idx, tx_ant, rx_ant); 4550 } 4551 4552 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 4553 struct net_device *dev, 4554 struct cfg80211_gtk_rekey_data *data) 4555 { 4556 struct ieee80211_local *local = wiphy_priv(wiphy); 4557 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4558 4559 if (!local->ops->set_rekey_data) 4560 return -EOPNOTSUPP; 4561 4562 drv_set_rekey_data(local, sdata, data); 4563 4564 return 0; 4565 } 4566 4567 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 4568 const u8 *peer, u64 *cookie) 4569 { 4570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4571 struct ieee80211_local *local = sdata->local; 4572 struct ieee80211_qos_hdr *nullfunc; 4573 struct sk_buff *skb; 4574 int size = sizeof(*nullfunc); 4575 __le16 fc; 4576 bool qos; 4577 struct ieee80211_tx_info *info; 4578 struct sta_info *sta; 4579 struct ieee80211_chanctx_conf *chanctx_conf; 4580 enum nl80211_band band; 4581 int ret; 4582 4583 /* the lock is needed to assign the cookie later */ 4584 lockdep_assert_wiphy(local->hw.wiphy); 4585 4586 rcu_read_lock(); 4587 sta = sta_info_get_bss(sdata, peer); 4588 if (!sta) { 4589 ret = -ENOLINK; 4590 goto unlock; 4591 } 4592 4593 qos = sta->sta.wme; 4594 4595 chanctx_conf = rcu_dereference(sdata->vif.bss_conf.chanctx_conf); 4596 if (WARN_ON(!chanctx_conf)) { 4597 ret = -EINVAL; 4598 goto unlock; 4599 } 4600 band = chanctx_conf->def.chan->band; 4601 4602 if (qos) { 4603 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4604 IEEE80211_STYPE_QOS_NULLFUNC | 4605 IEEE80211_FCTL_FROMDS); 4606 } else { 4607 size -= 2; 4608 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 4609 IEEE80211_STYPE_NULLFUNC | 4610 IEEE80211_FCTL_FROMDS); 4611 } 4612 4613 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 4614 if (!skb) { 4615 ret = -ENOMEM; 4616 goto unlock; 4617 } 4618 4619 skb->dev = dev; 4620 4621 skb_reserve(skb, local->hw.extra_tx_headroom); 4622 4623 nullfunc = skb_put(skb, size); 4624 nullfunc->frame_control = fc; 4625 nullfunc->duration_id = 0; 4626 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 4627 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 4628 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 4629 nullfunc->seq_ctrl = 0; 4630 4631 info = IEEE80211_SKB_CB(skb); 4632 4633 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 4634 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 4635 info->band = band; 4636 4637 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 4638 skb->priority = 7; 4639 if (qos) 4640 nullfunc->qos_ctrl = cpu_to_le16(7); 4641 4642 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 4643 if (ret) { 4644 kfree_skb(skb); 4645 goto unlock; 4646 } 4647 4648 local_bh_disable(); 4649 ieee80211_xmit(sdata, sta, skb); 4650 local_bh_enable(); 4651 4652 ret = 0; 4653 unlock: 4654 rcu_read_unlock(); 4655 4656 return ret; 4657 } 4658 4659 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 4660 struct wireless_dev *wdev, 4661 unsigned int link_id, 4662 struct cfg80211_chan_def *chandef) 4663 { 4664 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4665 struct ieee80211_local *local = wiphy_priv(wiphy); 4666 struct ieee80211_chanctx_conf *chanctx_conf; 4667 struct ieee80211_link_data *link; 4668 int ret = -ENODATA; 4669 4670 rcu_read_lock(); 4671 link = rcu_dereference(sdata->link[link_id]); 4672 if (!link) { 4673 ret = -ENOLINK; 4674 goto out; 4675 } 4676 4677 chanctx_conf = rcu_dereference(link->conf->chanctx_conf); 4678 if (chanctx_conf) { 4679 *chandef = link->conf->chanreq.oper; 4680 ret = 0; 4681 } else if (local->open_count > 0 && 4682 local->open_count == local->virt_monitors && 4683 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 4684 *chandef = local->monitor_chanreq.oper; 4685 ret = 0; 4686 } 4687 out: 4688 rcu_read_unlock(); 4689 4690 return ret; 4691 } 4692 4693 #ifdef CONFIG_PM 4694 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 4695 { 4696 drv_set_wakeup(wiphy_priv(wiphy), enabled); 4697 } 4698 #endif 4699 4700 static int ieee80211_set_qos_map(struct wiphy *wiphy, 4701 struct net_device *dev, 4702 struct cfg80211_qos_map *qos_map) 4703 { 4704 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4705 struct mac80211_qos_map *new_qos_map, *old_qos_map; 4706 4707 if (qos_map) { 4708 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 4709 if (!new_qos_map) 4710 return -ENOMEM; 4711 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 4712 } else { 4713 /* A NULL qos_map was passed to disable QoS mapping */ 4714 new_qos_map = NULL; 4715 } 4716 4717 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 4718 rcu_assign_pointer(sdata->qos_map, new_qos_map); 4719 if (old_qos_map) 4720 kfree_rcu(old_qos_map, rcu_head); 4721 4722 return 0; 4723 } 4724 4725 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 4726 struct net_device *dev, 4727 unsigned int link_id, 4728 struct cfg80211_chan_def *chandef) 4729 { 4730 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4731 struct ieee80211_link_data *link; 4732 struct ieee80211_chan_req chanreq = { .oper = *chandef }; 4733 int ret; 4734 u64 changed = 0; 4735 4736 link = sdata_dereference(sdata->link[link_id], sdata); 4737 4738 ret = ieee80211_link_change_chanreq(link, &chanreq, &changed); 4739 if (ret == 0) 4740 ieee80211_link_info_change_notify(sdata, link, changed); 4741 4742 return ret; 4743 } 4744 4745 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4746 u8 tsid, const u8 *peer, u8 up, 4747 u16 admitted_time) 4748 { 4749 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4750 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4751 int ac = ieee802_1d_to_ac[up]; 4752 4753 if (sdata->vif.type != NL80211_IFTYPE_STATION) 4754 return -EOPNOTSUPP; 4755 4756 if (!(sdata->wmm_acm & BIT(up))) 4757 return -EINVAL; 4758 4759 if (ifmgd->tx_tspec[ac].admitted_time) 4760 return -EBUSY; 4761 4762 if (admitted_time) { 4763 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 4764 ifmgd->tx_tspec[ac].tsid = tsid; 4765 ifmgd->tx_tspec[ac].up = up; 4766 } 4767 4768 return 0; 4769 } 4770 4771 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 4772 u8 tsid, const u8 *peer) 4773 { 4774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4775 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 4776 struct ieee80211_local *local = wiphy_priv(wiphy); 4777 int ac; 4778 4779 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 4780 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 4781 4782 /* skip unused entries */ 4783 if (!tx_tspec->admitted_time) 4784 continue; 4785 4786 if (tx_tspec->tsid != tsid) 4787 continue; 4788 4789 /* due to this new packets will be reassigned to non-ACM ACs */ 4790 tx_tspec->up = -1; 4791 4792 /* Make sure that all packets have been sent to avoid to 4793 * restore the QoS params on packets that are still on the 4794 * queues. 4795 */ 4796 synchronize_net(); 4797 ieee80211_flush_queues(local, sdata, false); 4798 4799 /* restore the normal QoS parameters 4800 * (unconditionally to avoid races) 4801 */ 4802 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 4803 tx_tspec->downgraded = false; 4804 ieee80211_sta_handle_tspec_ac_params(sdata); 4805 4806 /* finally clear all the data */ 4807 memset(tx_tspec, 0, sizeof(*tx_tspec)); 4808 4809 return 0; 4810 } 4811 4812 return -ENOENT; 4813 } 4814 4815 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 4816 u8 inst_id, 4817 enum nl80211_nan_func_term_reason reason, 4818 gfp_t gfp) 4819 { 4820 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4821 struct cfg80211_nan_func *func; 4822 u64 cookie; 4823 4824 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4825 return; 4826 4827 spin_lock_bh(&sdata->u.nan.func_lock); 4828 4829 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 4830 if (WARN_ON(!func)) { 4831 spin_unlock_bh(&sdata->u.nan.func_lock); 4832 return; 4833 } 4834 4835 cookie = func->cookie; 4836 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 4837 4838 spin_unlock_bh(&sdata->u.nan.func_lock); 4839 4840 cfg80211_free_nan_func(func); 4841 4842 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 4843 reason, cookie, gfp); 4844 } 4845 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 4846 4847 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 4848 struct cfg80211_nan_match_params *match, 4849 gfp_t gfp) 4850 { 4851 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 4852 struct cfg80211_nan_func *func; 4853 4854 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 4855 return; 4856 4857 spin_lock_bh(&sdata->u.nan.func_lock); 4858 4859 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 4860 if (WARN_ON(!func)) { 4861 spin_unlock_bh(&sdata->u.nan.func_lock); 4862 return; 4863 } 4864 match->cookie = func->cookie; 4865 4866 spin_unlock_bh(&sdata->u.nan.func_lock); 4867 4868 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 4869 } 4870 EXPORT_SYMBOL(ieee80211_nan_func_match); 4871 4872 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 4873 struct net_device *dev, 4874 const bool enabled) 4875 { 4876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4877 4878 sdata->u.ap.multicast_to_unicast = enabled; 4879 4880 return 0; 4881 } 4882 4883 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 4884 struct txq_info *txqi) 4885 { 4886 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 4887 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 4888 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 4889 } 4890 4891 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 4892 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 4893 txqstats->backlog_packets = txqi->tin.backlog_packets; 4894 } 4895 4896 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 4897 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 4898 txqstats->flows = txqi->tin.flows; 4899 } 4900 4901 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 4902 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 4903 txqstats->drops = txqi->cstats.drop_count; 4904 } 4905 4906 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 4907 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 4908 txqstats->ecn_marks = txqi->cstats.ecn_mark; 4909 } 4910 4911 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 4912 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 4913 txqstats->overlimit = txqi->tin.overlimit; 4914 } 4915 4916 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 4917 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 4918 txqstats->collisions = txqi->tin.collisions; 4919 } 4920 4921 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 4922 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 4923 txqstats->tx_bytes = txqi->tin.tx_bytes; 4924 } 4925 4926 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 4927 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 4928 txqstats->tx_packets = txqi->tin.tx_packets; 4929 } 4930 } 4931 4932 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 4933 struct wireless_dev *wdev, 4934 struct cfg80211_txq_stats *txqstats) 4935 { 4936 struct ieee80211_local *local = wiphy_priv(wiphy); 4937 struct ieee80211_sub_if_data *sdata; 4938 int ret = 0; 4939 4940 spin_lock_bh(&local->fq.lock); 4941 4942 if (wdev) { 4943 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4944 if (!sdata->vif.txq) { 4945 ret = 1; 4946 goto out; 4947 } 4948 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 4949 } else { 4950 /* phy stats */ 4951 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 4952 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 4953 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 4954 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 4955 BIT(NL80211_TXQ_STATS_COLLISIONS) | 4956 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 4957 txqstats->backlog_packets = local->fq.backlog; 4958 txqstats->backlog_bytes = local->fq.memory_usage; 4959 txqstats->overlimit = local->fq.overlimit; 4960 txqstats->overmemory = local->fq.overmemory; 4961 txqstats->collisions = local->fq.collisions; 4962 txqstats->max_flows = local->fq.flows_cnt; 4963 } 4964 4965 out: 4966 spin_unlock_bh(&local->fq.lock); 4967 4968 return ret; 4969 } 4970 4971 static int 4972 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4973 struct net_device *dev, 4974 struct cfg80211_ftm_responder_stats *ftm_stats) 4975 { 4976 struct ieee80211_local *local = wiphy_priv(wiphy); 4977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4978 4979 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4980 } 4981 4982 static int 4983 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4984 struct cfg80211_pmsr_request *request) 4985 { 4986 struct ieee80211_local *local = wiphy_priv(wiphy); 4987 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4988 4989 return drv_start_pmsr(local, sdata, request); 4990 } 4991 4992 static void 4993 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4994 struct cfg80211_pmsr_request *request) 4995 { 4996 struct ieee80211_local *local = wiphy_priv(wiphy); 4997 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4998 4999 return drv_abort_pmsr(local, sdata, request); 5000 } 5001 5002 static int ieee80211_set_tid_config(struct wiphy *wiphy, 5003 struct net_device *dev, 5004 struct cfg80211_tid_config *tid_conf) 5005 { 5006 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5007 struct sta_info *sta; 5008 5009 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5010 5011 if (!sdata->local->ops->set_tid_config) 5012 return -EOPNOTSUPP; 5013 5014 if (!tid_conf->peer) 5015 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 5016 5017 sta = sta_info_get_bss(sdata, tid_conf->peer); 5018 if (!sta) 5019 return -ENOENT; 5020 5021 return drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 5022 } 5023 5024 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 5025 struct net_device *dev, 5026 const u8 *peer, u8 tids) 5027 { 5028 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5029 struct sta_info *sta; 5030 5031 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5032 5033 if (!sdata->local->ops->reset_tid_config) 5034 return -EOPNOTSUPP; 5035 5036 if (!peer) 5037 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 5038 5039 sta = sta_info_get_bss(sdata, peer); 5040 if (!sta) 5041 return -ENOENT; 5042 5043 return drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 5044 } 5045 5046 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 5047 struct cfg80211_sar_specs *sar) 5048 { 5049 struct ieee80211_local *local = wiphy_priv(wiphy); 5050 5051 if (!local->ops->set_sar_specs) 5052 return -EOPNOTSUPP; 5053 5054 return local->ops->set_sar_specs(&local->hw, sar); 5055 } 5056 5057 static int 5058 ieee80211_set_after_color_change_beacon(struct ieee80211_link_data *link, 5059 u64 *changed) 5060 { 5061 struct ieee80211_sub_if_data *sdata = link->sdata; 5062 5063 switch (sdata->vif.type) { 5064 case NL80211_IFTYPE_AP: { 5065 int ret; 5066 5067 if (!link->u.ap.next_beacon) 5068 return -EINVAL; 5069 5070 ret = ieee80211_assign_beacon(sdata, link, 5071 link->u.ap.next_beacon, 5072 NULL, NULL, changed); 5073 ieee80211_free_next_beacon(link); 5074 5075 if (ret < 0) 5076 return ret; 5077 5078 break; 5079 } 5080 default: 5081 WARN_ON_ONCE(1); 5082 return -EINVAL; 5083 } 5084 5085 return 0; 5086 } 5087 5088 static int 5089 ieee80211_set_color_change_beacon(struct ieee80211_link_data *link, 5090 struct cfg80211_color_change_settings *params, 5091 u64 *changed) 5092 { 5093 struct ieee80211_sub_if_data *sdata = link->sdata; 5094 struct ieee80211_color_change_settings color_change = {}; 5095 int err; 5096 5097 switch (sdata->vif.type) { 5098 case NL80211_IFTYPE_AP: 5099 link->u.ap.next_beacon = 5100 cfg80211_beacon_dup(¶ms->beacon_next); 5101 if (!link->u.ap.next_beacon) 5102 return -ENOMEM; 5103 5104 if (params->count <= 1) 5105 break; 5106 5107 color_change.counter_offset_beacon = 5108 params->counter_offset_beacon; 5109 color_change.counter_offset_presp = 5110 params->counter_offset_presp; 5111 color_change.count = params->count; 5112 5113 err = ieee80211_assign_beacon(sdata, link, 5114 ¶ms->beacon_color_change, 5115 NULL, &color_change, changed); 5116 if (err < 0) { 5117 ieee80211_free_next_beacon(link); 5118 return err; 5119 } 5120 break; 5121 default: 5122 return -EOPNOTSUPP; 5123 } 5124 5125 return 0; 5126 } 5127 5128 static void 5129 ieee80211_color_change_bss_config_notify(struct ieee80211_link_data *link, 5130 u8 color, int enable, u64 changed) 5131 { 5132 struct ieee80211_sub_if_data *sdata = link->sdata; 5133 5134 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5135 5136 link->conf->he_bss_color.color = color; 5137 link->conf->he_bss_color.enabled = enable; 5138 changed |= BSS_CHANGED_HE_BSS_COLOR; 5139 5140 ieee80211_link_info_change_notify(sdata, link, changed); 5141 5142 if (!link->conf->nontransmitted && 5143 rcu_access_pointer(link->conf->tx_bss_conf)) { 5144 struct ieee80211_link_data *tmp; 5145 5146 for_each_sdata_link(sdata->local, tmp) { 5147 if (tmp->sdata == sdata || 5148 rcu_access_pointer(tmp->conf->tx_bss_conf) != link->conf) 5149 continue; 5150 5151 tmp->conf->he_bss_color.color = color; 5152 tmp->conf->he_bss_color.enabled = enable; 5153 ieee80211_link_info_change_notify(tmp->sdata, tmp, 5154 BSS_CHANGED_HE_BSS_COLOR); 5155 } 5156 } 5157 } 5158 5159 static int ieee80211_color_change_finalize(struct ieee80211_link_data *link) 5160 { 5161 struct ieee80211_sub_if_data *sdata = link->sdata; 5162 struct ieee80211_local *local = sdata->local; 5163 u64 changed = 0; 5164 int err; 5165 5166 lockdep_assert_wiphy(local->hw.wiphy); 5167 5168 link->conf->color_change_active = false; 5169 5170 err = ieee80211_set_after_color_change_beacon(link, &changed); 5171 if (err) { 5172 cfg80211_color_change_aborted_notify(sdata->dev, link->link_id); 5173 return err; 5174 } 5175 5176 ieee80211_color_change_bss_config_notify(link, 5177 link->conf->color_change_color, 5178 1, changed); 5179 cfg80211_color_change_notify(sdata->dev, link->link_id); 5180 5181 return 0; 5182 } 5183 5184 void ieee80211_color_change_finalize_work(struct wiphy *wiphy, 5185 struct wiphy_work *work) 5186 { 5187 struct ieee80211_link_data *link = 5188 container_of(work, struct ieee80211_link_data, 5189 color_change_finalize_work); 5190 struct ieee80211_sub_if_data *sdata = link->sdata; 5191 struct ieee80211_bss_conf *link_conf = link->conf; 5192 struct ieee80211_local *local = sdata->local; 5193 5194 lockdep_assert_wiphy(local->hw.wiphy); 5195 5196 /* AP might have been stopped while waiting for the lock. */ 5197 if (!link_conf->color_change_active) 5198 return; 5199 5200 if (!ieee80211_sdata_running(sdata)) 5201 return; 5202 5203 ieee80211_color_change_finalize(link); 5204 } 5205 5206 void ieee80211_color_collision_detection_work(struct wiphy *wiphy, 5207 struct wiphy_work *work) 5208 { 5209 struct ieee80211_link_data *link = 5210 container_of(work, struct ieee80211_link_data, 5211 color_collision_detect_work.work); 5212 struct ieee80211_sub_if_data *sdata = link->sdata; 5213 5214 cfg80211_obss_color_collision_notify(sdata->dev, link->color_bitmap, 5215 link->link_id); 5216 } 5217 5218 void ieee80211_color_change_finish(struct ieee80211_vif *vif, u8 link_id) 5219 { 5220 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5221 struct ieee80211_link_data *link; 5222 5223 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5224 return; 5225 5226 rcu_read_lock(); 5227 5228 link = rcu_dereference(sdata->link[link_id]); 5229 if (WARN_ON(!link)) { 5230 rcu_read_unlock(); 5231 return; 5232 } 5233 5234 wiphy_work_queue(sdata->local->hw.wiphy, 5235 &link->color_change_finalize_work); 5236 5237 rcu_read_unlock(); 5238 } 5239 EXPORT_SYMBOL_GPL(ieee80211_color_change_finish); 5240 5241 void 5242 ieee80211_obss_color_collision_notify(struct ieee80211_vif *vif, 5243 u64 color_bitmap, u8 link_id) 5244 { 5245 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 5246 struct ieee80211_link_data *link; 5247 5248 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5249 return; 5250 5251 rcu_read_lock(); 5252 5253 link = rcu_dereference(sdata->link[link_id]); 5254 if (WARN_ON(!link)) { 5255 rcu_read_unlock(); 5256 return; 5257 } 5258 5259 if (link->conf->color_change_active || link->conf->csa_active) { 5260 rcu_read_unlock(); 5261 return; 5262 } 5263 5264 if (wiphy_delayed_work_pending(sdata->local->hw.wiphy, 5265 &link->color_collision_detect_work)) { 5266 rcu_read_unlock(); 5267 return; 5268 } 5269 5270 link->color_bitmap = color_bitmap; 5271 /* queue the color collision detection event every 500 ms in order to 5272 * avoid sending too much netlink messages to userspace. 5273 */ 5274 wiphy_delayed_work_queue(sdata->local->hw.wiphy, 5275 &link->color_collision_detect_work, 5276 msecs_to_jiffies(500)); 5277 5278 rcu_read_unlock(); 5279 } 5280 EXPORT_SYMBOL_GPL(ieee80211_obss_color_collision_notify); 5281 5282 static int 5283 ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev, 5284 struct cfg80211_color_change_settings *params) 5285 { 5286 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5287 struct ieee80211_local *local = sdata->local; 5288 struct ieee80211_bss_conf *link_conf; 5289 struct ieee80211_link_data *link; 5290 u8 link_id = params->link_id; 5291 u64 changed = 0; 5292 int err; 5293 5294 lockdep_assert_wiphy(local->hw.wiphy); 5295 5296 if (WARN_ON(link_id >= IEEE80211_MLD_MAX_NUM_LINKS)) 5297 return -EINVAL; 5298 5299 link = wiphy_dereference(wiphy, sdata->link[link_id]); 5300 if (!link) 5301 return -ENOLINK; 5302 5303 link_conf = link->conf; 5304 5305 if (link_conf->nontransmitted) 5306 return -EINVAL; 5307 5308 /* don't allow another color change if one is already active or if csa 5309 * is active 5310 */ 5311 if (link_conf->color_change_active || link_conf->csa_active) { 5312 err = -EBUSY; 5313 goto out; 5314 } 5315 5316 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 5317 ¶ms->unsol_bcast_probe_resp, 5318 link, link_conf, &changed); 5319 if (err) 5320 goto out; 5321 5322 err = ieee80211_set_color_change_beacon(link, params, &changed); 5323 if (err) 5324 goto out; 5325 5326 link_conf->color_change_active = true; 5327 link_conf->color_change_color = params->color; 5328 5329 cfg80211_color_change_started_notify(sdata->dev, params->count, link_id); 5330 5331 if (changed) 5332 ieee80211_color_change_bss_config_notify(link, 0, 0, changed); 5333 else 5334 /* if the beacon didn't change, we can finalize immediately */ 5335 ieee80211_color_change_finalize(link); 5336 5337 out: 5338 5339 return err; 5340 } 5341 5342 static int 5343 ieee80211_set_radar_background(struct wiphy *wiphy, 5344 struct cfg80211_chan_def *chandef) 5345 { 5346 struct ieee80211_local *local = wiphy_priv(wiphy); 5347 5348 if (!local->ops->set_radar_background) 5349 return -EOPNOTSUPP; 5350 5351 return local->ops->set_radar_background(&local->hw, chandef); 5352 } 5353 5354 static int ieee80211_add_intf_link(struct wiphy *wiphy, 5355 struct wireless_dev *wdev, 5356 unsigned int link_id) 5357 { 5358 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5359 5360 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5361 5362 if (wdev->use_4addr) 5363 return -EOPNOTSUPP; 5364 5365 return ieee80211_vif_set_links(sdata, wdev->valid_links, 0); 5366 } 5367 5368 static void ieee80211_del_intf_link(struct wiphy *wiphy, 5369 struct wireless_dev *wdev, 5370 unsigned int link_id) 5371 { 5372 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 5373 u16 new_links = wdev->valid_links & ~BIT(link_id); 5374 5375 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5376 5377 /* During the link teardown process, certain functions require the 5378 * link_id to remain in the valid_links bitmap. Therefore, instead 5379 * of removing the link_id from the bitmap, pass a masked value to 5380 * simulate as if link_id does not exist anymore. 5381 */ 5382 ieee80211_vif_set_links(sdata, new_links, 0); 5383 } 5384 5385 static int 5386 ieee80211_add_link_station(struct wiphy *wiphy, struct net_device *dev, 5387 struct link_station_parameters *params) 5388 { 5389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5390 struct ieee80211_local *local = wiphy_priv(wiphy); 5391 struct sta_info *sta; 5392 int ret; 5393 5394 lockdep_assert_wiphy(local->hw.wiphy); 5395 5396 sta = sta_info_get_bss(sdata, params->mld_mac); 5397 if (!sta) 5398 return -ENOENT; 5399 5400 if (!sta->sta.valid_links) 5401 return -EINVAL; 5402 5403 if (sta->sta.valid_links & BIT(params->link_id)) 5404 return -EALREADY; 5405 5406 ret = ieee80211_sta_allocate_link(sta, params->link_id); 5407 if (ret) 5408 return ret; 5409 5410 ret = sta_link_apply_parameters(local, sta, STA_LINK_MODE_NEW, params); 5411 if (ret) { 5412 ieee80211_sta_free_link(sta, params->link_id); 5413 return ret; 5414 } 5415 5416 if (test_sta_flag(sta, WLAN_STA_ASSOC)) { 5417 struct link_sta_info *link_sta; 5418 5419 link_sta = sdata_dereference(sta->link[params->link_id], sdata); 5420 rate_control_rate_init(link_sta); 5421 } 5422 5423 /* ieee80211_sta_activate_link frees the link upon failure */ 5424 return ieee80211_sta_activate_link(sta, params->link_id); 5425 } 5426 5427 static int 5428 ieee80211_mod_link_station(struct wiphy *wiphy, struct net_device *dev, 5429 struct link_station_parameters *params) 5430 { 5431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5432 struct ieee80211_local *local = wiphy_priv(wiphy); 5433 struct sta_info *sta; 5434 5435 lockdep_assert_wiphy(local->hw.wiphy); 5436 5437 sta = sta_info_get_bss(sdata, params->mld_mac); 5438 if (!sta) 5439 return -ENOENT; 5440 5441 if (!(sta->sta.valid_links & BIT(params->link_id))) 5442 return -EINVAL; 5443 5444 return sta_link_apply_parameters(local, sta, STA_LINK_MODE_LINK_MODIFY, 5445 params); 5446 } 5447 5448 static int 5449 ieee80211_del_link_station(struct wiphy *wiphy, struct net_device *dev, 5450 struct link_station_del_parameters *params) 5451 { 5452 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5453 struct sta_info *sta; 5454 5455 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5456 5457 sta = sta_info_get_bss(sdata, params->mld_mac); 5458 if (!sta) 5459 return -ENOENT; 5460 5461 if (!(sta->sta.valid_links & BIT(params->link_id))) 5462 return -EINVAL; 5463 5464 /* must not create a STA without links */ 5465 if (sta->sta.valid_links == BIT(params->link_id)) 5466 return -EINVAL; 5467 5468 ieee80211_sta_remove_link(sta, params->link_id); 5469 5470 return 0; 5471 } 5472 5473 static int ieee80211_set_hw_timestamp(struct wiphy *wiphy, 5474 struct net_device *dev, 5475 struct cfg80211_set_hw_timestamp *hwts) 5476 { 5477 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5478 struct ieee80211_local *local = sdata->local; 5479 5480 if (!local->ops->set_hw_timestamp) 5481 return -EOPNOTSUPP; 5482 5483 if (!check_sdata_in_driver(sdata)) 5484 return -EIO; 5485 5486 return local->ops->set_hw_timestamp(&local->hw, &sdata->vif, hwts); 5487 } 5488 5489 static int 5490 ieee80211_set_ttlm(struct wiphy *wiphy, struct net_device *dev, 5491 struct cfg80211_ttlm_params *params) 5492 { 5493 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5494 5495 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5496 5497 return ieee80211_req_neg_ttlm(sdata, params); 5498 } 5499 5500 static int 5501 ieee80211_assoc_ml_reconf(struct wiphy *wiphy, struct net_device *dev, 5502 struct cfg80211_ml_reconf_req *req) 5503 { 5504 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5505 5506 lockdep_assert_wiphy(sdata->local->hw.wiphy); 5507 5508 return ieee80211_mgd_assoc_ml_reconf(sdata, req); 5509 } 5510 5511 static int 5512 ieee80211_set_epcs(struct wiphy *wiphy, struct net_device *dev, bool enable) 5513 { 5514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 5515 5516 return ieee80211_mgd_set_epcs(sdata, enable); 5517 } 5518 5519 const struct cfg80211_ops mac80211_config_ops = { 5520 .add_virtual_intf = ieee80211_add_iface, 5521 .del_virtual_intf = ieee80211_del_iface, 5522 .change_virtual_intf = ieee80211_change_iface, 5523 .start_p2p_device = ieee80211_start_p2p_device, 5524 .stop_p2p_device = ieee80211_stop_p2p_device, 5525 .add_key = ieee80211_add_key, 5526 .del_key = ieee80211_del_key, 5527 .get_key = ieee80211_get_key, 5528 .set_default_key = ieee80211_config_default_key, 5529 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 5530 .set_default_beacon_key = ieee80211_config_default_beacon_key, 5531 .start_ap = ieee80211_start_ap, 5532 .change_beacon = ieee80211_change_beacon, 5533 .stop_ap = ieee80211_stop_ap, 5534 .add_station = ieee80211_add_station, 5535 .del_station = ieee80211_del_station, 5536 .change_station = ieee80211_change_station, 5537 .get_station = ieee80211_get_station, 5538 .dump_station = ieee80211_dump_station, 5539 .dump_survey = ieee80211_dump_survey, 5540 #ifdef CONFIG_MAC80211_MESH 5541 .add_mpath = ieee80211_add_mpath, 5542 .del_mpath = ieee80211_del_mpath, 5543 .change_mpath = ieee80211_change_mpath, 5544 .get_mpath = ieee80211_get_mpath, 5545 .dump_mpath = ieee80211_dump_mpath, 5546 .get_mpp = ieee80211_get_mpp, 5547 .dump_mpp = ieee80211_dump_mpp, 5548 .update_mesh_config = ieee80211_update_mesh_config, 5549 .get_mesh_config = ieee80211_get_mesh_config, 5550 .join_mesh = ieee80211_join_mesh, 5551 .leave_mesh = ieee80211_leave_mesh, 5552 #endif 5553 .join_ocb = ieee80211_join_ocb, 5554 .leave_ocb = ieee80211_leave_ocb, 5555 .change_bss = ieee80211_change_bss, 5556 .inform_bss = ieee80211_inform_bss, 5557 .set_txq_params = ieee80211_set_txq_params, 5558 .set_monitor_channel = ieee80211_set_monitor_channel, 5559 .suspend = ieee80211_suspend, 5560 .resume = ieee80211_resume, 5561 .scan = ieee80211_scan, 5562 .abort_scan = ieee80211_abort_scan, 5563 .sched_scan_start = ieee80211_sched_scan_start, 5564 .sched_scan_stop = ieee80211_sched_scan_stop, 5565 .auth = ieee80211_auth, 5566 .assoc = ieee80211_assoc, 5567 .deauth = ieee80211_deauth, 5568 .disassoc = ieee80211_disassoc, 5569 .join_ibss = ieee80211_join_ibss, 5570 .leave_ibss = ieee80211_leave_ibss, 5571 .set_mcast_rate = ieee80211_set_mcast_rate, 5572 .set_wiphy_params = ieee80211_set_wiphy_params, 5573 .set_tx_power = ieee80211_set_tx_power, 5574 .get_tx_power = ieee80211_get_tx_power, 5575 .rfkill_poll = ieee80211_rfkill_poll, 5576 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 5577 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 5578 .set_power_mgmt = ieee80211_set_power_mgmt, 5579 .set_bitrate_mask = ieee80211_set_bitrate_mask, 5580 .remain_on_channel = ieee80211_remain_on_channel, 5581 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 5582 .mgmt_tx = ieee80211_mgmt_tx, 5583 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 5584 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 5585 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 5586 .update_mgmt_frame_registrations = 5587 ieee80211_update_mgmt_frame_registrations, 5588 .set_antenna = ieee80211_set_antenna, 5589 .get_antenna = ieee80211_get_antenna, 5590 .set_rekey_data = ieee80211_set_rekey_data, 5591 .tdls_oper = ieee80211_tdls_oper, 5592 .tdls_mgmt = ieee80211_tdls_mgmt, 5593 .tdls_channel_switch = ieee80211_tdls_channel_switch, 5594 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 5595 .probe_client = ieee80211_probe_client, 5596 .set_noack_map = ieee80211_set_noack_map, 5597 #ifdef CONFIG_PM 5598 .set_wakeup = ieee80211_set_wakeup, 5599 #endif 5600 .get_channel = ieee80211_cfg_get_channel, 5601 .start_radar_detection = ieee80211_start_radar_detection, 5602 .end_cac = ieee80211_end_cac, 5603 .channel_switch = ieee80211_channel_switch, 5604 .set_qos_map = ieee80211_set_qos_map, 5605 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 5606 .add_tx_ts = ieee80211_add_tx_ts, 5607 .del_tx_ts = ieee80211_del_tx_ts, 5608 .start_nan = ieee80211_start_nan, 5609 .stop_nan = ieee80211_stop_nan, 5610 .nan_change_conf = ieee80211_nan_change_conf, 5611 .add_nan_func = ieee80211_add_nan_func, 5612 .del_nan_func = ieee80211_del_nan_func, 5613 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 5614 .tx_control_port = ieee80211_tx_control_port, 5615 .get_txq_stats = ieee80211_get_txq_stats, 5616 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 5617 .start_pmsr = ieee80211_start_pmsr, 5618 .abort_pmsr = ieee80211_abort_pmsr, 5619 .probe_mesh_link = ieee80211_probe_mesh_link, 5620 .set_tid_config = ieee80211_set_tid_config, 5621 .reset_tid_config = ieee80211_reset_tid_config, 5622 .set_sar_specs = ieee80211_set_sar_specs, 5623 .color_change = ieee80211_color_change, 5624 .set_radar_background = ieee80211_set_radar_background, 5625 .add_intf_link = ieee80211_add_intf_link, 5626 .del_intf_link = ieee80211_del_intf_link, 5627 .add_link_station = ieee80211_add_link_station, 5628 .mod_link_station = ieee80211_mod_link_station, 5629 .del_link_station = ieee80211_del_link_station, 5630 .set_hw_timestamp = ieee80211_set_hw_timestamp, 5631 .set_ttlm = ieee80211_set_ttlm, 5632 .get_radio_mask = ieee80211_get_radio_mask, 5633 .assoc_ml_reconf = ieee80211_assoc_ml_reconf, 5634 .set_epcs = ieee80211_set_epcs, 5635 }; 5636