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) 2018-2020 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 void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata, 27 struct vif_params *params) 28 { 29 bool mu_mimo_groups = false; 30 bool mu_mimo_follow = false; 31 32 if (params->vht_mumimo_groups) { 33 u64 membership; 34 35 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN); 36 37 memcpy(sdata->vif.bss_conf.mu_group.membership, 38 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); 39 memcpy(sdata->vif.bss_conf.mu_group.position, 40 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, 41 WLAN_USER_POSITION_LEN); 42 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS); 43 /* don't care about endianness - just check for 0 */ 44 memcpy(&membership, params->vht_mumimo_groups, 45 WLAN_MEMBERSHIP_LEN); 46 mu_mimo_groups = membership != 0; 47 } 48 49 if (params->vht_mumimo_follow_addr) { 50 mu_mimo_follow = 51 is_valid_ether_addr(params->vht_mumimo_follow_addr); 52 ether_addr_copy(sdata->u.mntr.mu_follow_addr, 53 params->vht_mumimo_follow_addr); 54 } 55 56 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow; 57 } 58 59 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata, 60 struct vif_params *params) 61 { 62 struct ieee80211_local *local = sdata->local; 63 struct ieee80211_sub_if_data *monitor_sdata; 64 65 /* check flags first */ 66 if (params->flags && ieee80211_sdata_running(sdata)) { 67 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE; 68 69 /* 70 * Prohibit MONITOR_FLAG_COOK_FRAMES and 71 * MONITOR_FLAG_ACTIVE to be changed while the 72 * interface is up. 73 * Else we would need to add a lot of cruft 74 * to update everything: 75 * cooked_mntrs, monitor and all fif_* counters 76 * reconfigure hardware 77 */ 78 if ((params->flags & mask) != (sdata->u.mntr.flags & mask)) 79 return -EBUSY; 80 } 81 82 /* also validate MU-MIMO change */ 83 monitor_sdata = rtnl_dereference(local->monitor_sdata); 84 85 if (!monitor_sdata && 86 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr)) 87 return -EOPNOTSUPP; 88 89 /* apply all changes now - no failures allowed */ 90 91 if (monitor_sdata) 92 ieee80211_set_mu_mimo_follow(monitor_sdata, params); 93 94 if (params->flags) { 95 if (ieee80211_sdata_running(sdata)) { 96 ieee80211_adjust_monitor_flags(sdata, -1); 97 sdata->u.mntr.flags = params->flags; 98 ieee80211_adjust_monitor_flags(sdata, 1); 99 100 ieee80211_configure_filter(local); 101 } else { 102 /* 103 * Because the interface is down, ieee80211_do_stop 104 * and ieee80211_do_open take care of "everything" 105 * mentioned in the comment above. 106 */ 107 sdata->u.mntr.flags = params->flags; 108 } 109 } 110 111 return 0; 112 } 113 114 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 115 const char *name, 116 unsigned char name_assign_type, 117 enum nl80211_iftype type, 118 struct vif_params *params) 119 { 120 struct ieee80211_local *local = wiphy_priv(wiphy); 121 struct wireless_dev *wdev; 122 struct ieee80211_sub_if_data *sdata; 123 int err; 124 125 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 126 if (err) 127 return ERR_PTR(err); 128 129 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 130 131 if (type == NL80211_IFTYPE_MONITOR) { 132 err = ieee80211_set_mon_options(sdata, params); 133 if (err) { 134 ieee80211_if_remove(sdata); 135 return NULL; 136 } 137 } 138 139 return wdev; 140 } 141 142 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 143 { 144 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 145 146 return 0; 147 } 148 149 static int ieee80211_change_iface(struct wiphy *wiphy, 150 struct net_device *dev, 151 enum nl80211_iftype type, 152 struct vif_params *params) 153 { 154 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 155 struct ieee80211_local *local = sdata->local; 156 struct sta_info *sta; 157 int ret; 158 159 ret = ieee80211_if_change_type(sdata, type); 160 if (ret) 161 return ret; 162 163 if (type == NL80211_IFTYPE_AP_VLAN && params->use_4addr == 0) { 164 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 165 ieee80211_check_fast_rx_iface(sdata); 166 } else if (type == NL80211_IFTYPE_STATION && params->use_4addr >= 0) { 167 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 168 169 if (params->use_4addr == ifmgd->use_4addr) 170 return 0; 171 172 sdata->u.mgd.use_4addr = params->use_4addr; 173 if (!ifmgd->associated) 174 return 0; 175 176 mutex_lock(&local->sta_mtx); 177 sta = sta_info_get(sdata, ifmgd->bssid); 178 if (sta) 179 drv_sta_set_4addr(local, sdata, &sta->sta, 180 params->use_4addr); 181 mutex_unlock(&local->sta_mtx); 182 183 if (params->use_4addr) 184 ieee80211_send_4addr_nullfunc(local, sdata); 185 } 186 187 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 188 ret = ieee80211_set_mon_options(sdata, params); 189 if (ret) 190 return ret; 191 } 192 193 return 0; 194 } 195 196 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 197 struct wireless_dev *wdev) 198 { 199 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 200 int ret; 201 202 mutex_lock(&sdata->local->chanctx_mtx); 203 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 204 mutex_unlock(&sdata->local->chanctx_mtx); 205 if (ret < 0) 206 return ret; 207 208 return ieee80211_do_open(wdev, true); 209 } 210 211 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 212 struct wireless_dev *wdev) 213 { 214 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 215 } 216 217 static int ieee80211_start_nan(struct wiphy *wiphy, 218 struct wireless_dev *wdev, 219 struct cfg80211_nan_conf *conf) 220 { 221 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 222 int ret; 223 224 mutex_lock(&sdata->local->chanctx_mtx); 225 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 226 mutex_unlock(&sdata->local->chanctx_mtx); 227 if (ret < 0) 228 return ret; 229 230 ret = ieee80211_do_open(wdev, true); 231 if (ret) 232 return ret; 233 234 ret = drv_start_nan(sdata->local, sdata, conf); 235 if (ret) 236 ieee80211_sdata_stop(sdata); 237 238 sdata->u.nan.conf = *conf; 239 240 return ret; 241 } 242 243 static void ieee80211_stop_nan(struct wiphy *wiphy, 244 struct wireless_dev *wdev) 245 { 246 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 247 248 drv_stop_nan(sdata->local, sdata); 249 ieee80211_sdata_stop(sdata); 250 } 251 252 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 253 struct wireless_dev *wdev, 254 struct cfg80211_nan_conf *conf, 255 u32 changes) 256 { 257 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 258 struct cfg80211_nan_conf new_conf; 259 int ret = 0; 260 261 if (sdata->vif.type != NL80211_IFTYPE_NAN) 262 return -EOPNOTSUPP; 263 264 if (!ieee80211_sdata_running(sdata)) 265 return -ENETDOWN; 266 267 new_conf = sdata->u.nan.conf; 268 269 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 270 new_conf.master_pref = conf->master_pref; 271 272 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS) 273 new_conf.bands = conf->bands; 274 275 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 276 if (!ret) 277 sdata->u.nan.conf = new_conf; 278 279 return ret; 280 } 281 282 static int ieee80211_add_nan_func(struct wiphy *wiphy, 283 struct wireless_dev *wdev, 284 struct cfg80211_nan_func *nan_func) 285 { 286 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 287 int ret; 288 289 if (sdata->vif.type != NL80211_IFTYPE_NAN) 290 return -EOPNOTSUPP; 291 292 if (!ieee80211_sdata_running(sdata)) 293 return -ENETDOWN; 294 295 spin_lock_bh(&sdata->u.nan.func_lock); 296 297 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 298 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 299 GFP_ATOMIC); 300 spin_unlock_bh(&sdata->u.nan.func_lock); 301 302 if (ret < 0) 303 return ret; 304 305 nan_func->instance_id = ret; 306 307 WARN_ON(nan_func->instance_id == 0); 308 309 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 310 if (ret) { 311 spin_lock_bh(&sdata->u.nan.func_lock); 312 idr_remove(&sdata->u.nan.function_inst_ids, 313 nan_func->instance_id); 314 spin_unlock_bh(&sdata->u.nan.func_lock); 315 } 316 317 return ret; 318 } 319 320 static struct cfg80211_nan_func * 321 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 322 u64 cookie) 323 { 324 struct cfg80211_nan_func *func; 325 int id; 326 327 lockdep_assert_held(&sdata->u.nan.func_lock); 328 329 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 330 if (func->cookie == cookie) 331 return func; 332 } 333 334 return NULL; 335 } 336 337 static void ieee80211_del_nan_func(struct wiphy *wiphy, 338 struct wireless_dev *wdev, u64 cookie) 339 { 340 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 341 struct cfg80211_nan_func *func; 342 u8 instance_id = 0; 343 344 if (sdata->vif.type != NL80211_IFTYPE_NAN || 345 !ieee80211_sdata_running(sdata)) 346 return; 347 348 spin_lock_bh(&sdata->u.nan.func_lock); 349 350 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 351 if (func) 352 instance_id = func->instance_id; 353 354 spin_unlock_bh(&sdata->u.nan.func_lock); 355 356 if (instance_id) 357 drv_del_nan_func(sdata->local, sdata, instance_id); 358 } 359 360 static int ieee80211_set_noack_map(struct wiphy *wiphy, 361 struct net_device *dev, 362 u16 noack_map) 363 { 364 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 365 366 sdata->noack_map = noack_map; 367 368 ieee80211_check_fast_xmit_iface(sdata); 369 370 return 0; 371 } 372 373 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata, 374 const u8 *mac_addr, u8 key_idx) 375 { 376 struct ieee80211_local *local = sdata->local; 377 struct ieee80211_key *key; 378 struct sta_info *sta; 379 int ret = -EINVAL; 380 381 if (!wiphy_ext_feature_isset(local->hw.wiphy, 382 NL80211_EXT_FEATURE_EXT_KEY_ID)) 383 return -EINVAL; 384 385 sta = sta_info_get_bss(sdata, mac_addr); 386 387 if (!sta) 388 return -EINVAL; 389 390 if (sta->ptk_idx == key_idx) 391 return 0; 392 393 mutex_lock(&local->key_mtx); 394 key = key_mtx_dereference(local, sta->ptk[key_idx]); 395 396 if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX) 397 ret = ieee80211_set_tx_key(key); 398 399 mutex_unlock(&local->key_mtx); 400 return ret; 401 } 402 403 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 404 u8 key_idx, bool pairwise, const u8 *mac_addr, 405 struct key_params *params) 406 { 407 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 408 struct ieee80211_local *local = sdata->local; 409 struct sta_info *sta = NULL; 410 const struct ieee80211_cipher_scheme *cs = NULL; 411 struct ieee80211_key *key; 412 int err; 413 414 if (!ieee80211_sdata_running(sdata)) 415 return -ENETDOWN; 416 417 if (pairwise && params->mode == NL80211_KEY_SET_TX) 418 return ieee80211_set_tx(sdata, mac_addr, key_idx); 419 420 /* reject WEP and TKIP keys if WEP failed to initialize */ 421 switch (params->cipher) { 422 case WLAN_CIPHER_SUITE_WEP40: 423 case WLAN_CIPHER_SUITE_TKIP: 424 case WLAN_CIPHER_SUITE_WEP104: 425 if (WARN_ON_ONCE(fips_enabled)) 426 return -EINVAL; 427 break; 428 case WLAN_CIPHER_SUITE_CCMP: 429 case WLAN_CIPHER_SUITE_CCMP_256: 430 case WLAN_CIPHER_SUITE_AES_CMAC: 431 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 432 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 433 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 434 case WLAN_CIPHER_SUITE_GCMP: 435 case WLAN_CIPHER_SUITE_GCMP_256: 436 break; 437 default: 438 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); 439 break; 440 } 441 442 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 443 params->key, params->seq_len, params->seq, 444 cs); 445 if (IS_ERR(key)) 446 return PTR_ERR(key); 447 448 if (pairwise) 449 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 450 451 if (params->mode == NL80211_KEY_NO_TX) 452 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 453 454 mutex_lock(&local->sta_mtx); 455 456 if (mac_addr) { 457 sta = sta_info_get_bss(sdata, mac_addr); 458 /* 459 * The ASSOC test makes sure the driver is ready to 460 * receive the key. When wpa_supplicant has roamed 461 * using FT, it attempts to set the key before 462 * association has completed, this rejects that attempt 463 * so it will set the key again after association. 464 * 465 * TODO: accept the key if we have a station entry and 466 * add it to the device after the station. 467 */ 468 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 469 ieee80211_key_free_unused(key); 470 err = -ENOENT; 471 goto out_unlock; 472 } 473 } 474 475 switch (sdata->vif.type) { 476 case NL80211_IFTYPE_STATION: 477 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 478 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 479 break; 480 case NL80211_IFTYPE_AP: 481 case NL80211_IFTYPE_AP_VLAN: 482 /* Keys without a station are used for TX only */ 483 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 484 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 485 break; 486 case NL80211_IFTYPE_ADHOC: 487 /* no MFP (yet) */ 488 break; 489 case NL80211_IFTYPE_MESH_POINT: 490 #ifdef CONFIG_MAC80211_MESH 491 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 492 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 493 break; 494 #endif 495 case NL80211_IFTYPE_WDS: 496 case NL80211_IFTYPE_MONITOR: 497 case NL80211_IFTYPE_P2P_DEVICE: 498 case NL80211_IFTYPE_NAN: 499 case NL80211_IFTYPE_UNSPECIFIED: 500 case NUM_NL80211_IFTYPES: 501 case NL80211_IFTYPE_P2P_CLIENT: 502 case NL80211_IFTYPE_P2P_GO: 503 case NL80211_IFTYPE_OCB: 504 /* shouldn't happen */ 505 WARN_ON_ONCE(1); 506 break; 507 } 508 509 if (sta) 510 sta->cipher_scheme = cs; 511 512 err = ieee80211_key_link(key, sdata, sta); 513 514 out_unlock: 515 mutex_unlock(&local->sta_mtx); 516 517 return err; 518 } 519 520 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 521 u8 key_idx, bool pairwise, const u8 *mac_addr) 522 { 523 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 524 struct ieee80211_local *local = sdata->local; 525 struct sta_info *sta; 526 struct ieee80211_key *key = NULL; 527 int ret; 528 529 mutex_lock(&local->sta_mtx); 530 mutex_lock(&local->key_mtx); 531 532 if (mac_addr) { 533 ret = -ENOENT; 534 535 sta = sta_info_get_bss(sdata, mac_addr); 536 if (!sta) 537 goto out_unlock; 538 539 if (pairwise) 540 key = key_mtx_dereference(local, sta->ptk[key_idx]); 541 else 542 key = key_mtx_dereference(local, sta->gtk[key_idx]); 543 } else 544 key = key_mtx_dereference(local, sdata->keys[key_idx]); 545 546 if (!key) { 547 ret = -ENOENT; 548 goto out_unlock; 549 } 550 551 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 552 553 ret = 0; 554 out_unlock: 555 mutex_unlock(&local->key_mtx); 556 mutex_unlock(&local->sta_mtx); 557 558 return ret; 559 } 560 561 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 562 u8 key_idx, bool pairwise, const u8 *mac_addr, 563 void *cookie, 564 void (*callback)(void *cookie, 565 struct key_params *params)) 566 { 567 struct ieee80211_sub_if_data *sdata; 568 struct sta_info *sta = NULL; 569 u8 seq[6] = {0}; 570 struct key_params params; 571 struct ieee80211_key *key = NULL; 572 u64 pn64; 573 u32 iv32; 574 u16 iv16; 575 int err = -ENOENT; 576 struct ieee80211_key_seq kseq = {}; 577 578 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 579 580 rcu_read_lock(); 581 582 if (mac_addr) { 583 sta = sta_info_get_bss(sdata, mac_addr); 584 if (!sta) 585 goto out; 586 587 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 588 key = rcu_dereference(sta->ptk[key_idx]); 589 else if (!pairwise && 590 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS + 591 NUM_DEFAULT_BEACON_KEYS) 592 key = rcu_dereference(sta->gtk[key_idx]); 593 } else 594 key = rcu_dereference(sdata->keys[key_idx]); 595 596 if (!key) 597 goto out; 598 599 memset(¶ms, 0, sizeof(params)); 600 601 params.cipher = key->conf.cipher; 602 603 switch (key->conf.cipher) { 604 case WLAN_CIPHER_SUITE_TKIP: 605 pn64 = atomic64_read(&key->conf.tx_pn); 606 iv32 = TKIP_PN_TO_IV32(pn64); 607 iv16 = TKIP_PN_TO_IV16(pn64); 608 609 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 610 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 611 drv_get_key_seq(sdata->local, key, &kseq); 612 iv32 = kseq.tkip.iv32; 613 iv16 = kseq.tkip.iv16; 614 } 615 616 seq[0] = iv16 & 0xff; 617 seq[1] = (iv16 >> 8) & 0xff; 618 seq[2] = iv32 & 0xff; 619 seq[3] = (iv32 >> 8) & 0xff; 620 seq[4] = (iv32 >> 16) & 0xff; 621 seq[5] = (iv32 >> 24) & 0xff; 622 params.seq = seq; 623 params.seq_len = 6; 624 break; 625 case WLAN_CIPHER_SUITE_CCMP: 626 case WLAN_CIPHER_SUITE_CCMP_256: 627 case WLAN_CIPHER_SUITE_AES_CMAC: 628 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 629 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 630 offsetof(typeof(kseq), aes_cmac)); 631 fallthrough; 632 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 633 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 634 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 635 offsetof(typeof(kseq), aes_gmac)); 636 fallthrough; 637 case WLAN_CIPHER_SUITE_GCMP: 638 case WLAN_CIPHER_SUITE_GCMP_256: 639 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 640 offsetof(typeof(kseq), gcmp)); 641 642 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 643 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 644 drv_get_key_seq(sdata->local, key, &kseq); 645 memcpy(seq, kseq.ccmp.pn, 6); 646 } else { 647 pn64 = atomic64_read(&key->conf.tx_pn); 648 seq[0] = pn64; 649 seq[1] = pn64 >> 8; 650 seq[2] = pn64 >> 16; 651 seq[3] = pn64 >> 24; 652 seq[4] = pn64 >> 32; 653 seq[5] = pn64 >> 40; 654 } 655 params.seq = seq; 656 params.seq_len = 6; 657 break; 658 default: 659 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 660 break; 661 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 662 break; 663 drv_get_key_seq(sdata->local, key, &kseq); 664 params.seq = kseq.hw.seq; 665 params.seq_len = kseq.hw.seq_len; 666 break; 667 } 668 669 params.key = key->conf.key; 670 params.key_len = key->conf.keylen; 671 672 callback(cookie, ¶ms); 673 err = 0; 674 675 out: 676 rcu_read_unlock(); 677 return err; 678 } 679 680 static int ieee80211_config_default_key(struct wiphy *wiphy, 681 struct net_device *dev, 682 u8 key_idx, bool uni, 683 bool multi) 684 { 685 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 686 687 ieee80211_set_default_key(sdata, key_idx, uni, multi); 688 689 return 0; 690 } 691 692 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 693 struct net_device *dev, 694 u8 key_idx) 695 { 696 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 697 698 ieee80211_set_default_mgmt_key(sdata, key_idx); 699 700 return 0; 701 } 702 703 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 704 struct net_device *dev, 705 u8 key_idx) 706 { 707 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 708 709 ieee80211_set_default_beacon_key(sdata, key_idx); 710 711 return 0; 712 } 713 714 void sta_set_rate_info_tx(struct sta_info *sta, 715 const struct ieee80211_tx_rate *rate, 716 struct rate_info *rinfo) 717 { 718 rinfo->flags = 0; 719 if (rate->flags & IEEE80211_TX_RC_MCS) { 720 rinfo->flags |= RATE_INFO_FLAGS_MCS; 721 rinfo->mcs = rate->idx; 722 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 723 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 724 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 725 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 726 } else { 727 struct ieee80211_supported_band *sband; 728 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 729 u16 brate; 730 731 sband = ieee80211_get_sband(sta->sdata); 732 WARN_ON_ONCE(sband && !sband->bitrates); 733 if (sband && sband->bitrates) { 734 brate = sband->bitrates[rate->idx].bitrate; 735 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 736 } 737 } 738 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 739 rinfo->bw = RATE_INFO_BW_40; 740 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 741 rinfo->bw = RATE_INFO_BW_80; 742 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 743 rinfo->bw = RATE_INFO_BW_160; 744 else 745 rinfo->bw = RATE_INFO_BW_20; 746 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 747 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 748 } 749 750 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 751 int idx, u8 *mac, struct station_info *sinfo) 752 { 753 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 754 struct ieee80211_local *local = sdata->local; 755 struct sta_info *sta; 756 int ret = -ENOENT; 757 758 mutex_lock(&local->sta_mtx); 759 760 sta = sta_info_get_by_idx(sdata, idx); 761 if (sta) { 762 ret = 0; 763 memcpy(mac, sta->sta.addr, ETH_ALEN); 764 sta_set_sinfo(sta, sinfo, true); 765 } 766 767 mutex_unlock(&local->sta_mtx); 768 769 return ret; 770 } 771 772 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 773 int idx, struct survey_info *survey) 774 { 775 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 776 777 return drv_get_survey(local, idx, survey); 778 } 779 780 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 781 const u8 *mac, struct station_info *sinfo) 782 { 783 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 784 struct ieee80211_local *local = sdata->local; 785 struct sta_info *sta; 786 int ret = -ENOENT; 787 788 mutex_lock(&local->sta_mtx); 789 790 sta = sta_info_get_bss(sdata, mac); 791 if (sta) { 792 ret = 0; 793 sta_set_sinfo(sta, sinfo, true); 794 } 795 796 mutex_unlock(&local->sta_mtx); 797 798 return ret; 799 } 800 801 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 802 struct cfg80211_chan_def *chandef) 803 { 804 struct ieee80211_local *local = wiphy_priv(wiphy); 805 struct ieee80211_sub_if_data *sdata; 806 int ret = 0; 807 808 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 809 return 0; 810 811 mutex_lock(&local->mtx); 812 if (local->use_chanctx) { 813 sdata = rtnl_dereference(local->monitor_sdata); 814 if (sdata) { 815 ieee80211_vif_release_channel(sdata); 816 ret = ieee80211_vif_use_channel(sdata, chandef, 817 IEEE80211_CHANCTX_EXCLUSIVE); 818 } 819 } else if (local->open_count == local->monitors) { 820 local->_oper_chandef = *chandef; 821 ieee80211_hw_config(local, 0); 822 } 823 824 if (ret == 0) 825 local->monitor_chandef = *chandef; 826 mutex_unlock(&local->mtx); 827 828 return ret; 829 } 830 831 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 832 const u8 *resp, size_t resp_len, 833 const struct ieee80211_csa_settings *csa) 834 { 835 struct probe_resp *new, *old; 836 837 if (!resp || !resp_len) 838 return 1; 839 840 old = sdata_dereference(sdata->u.ap.probe_resp, sdata); 841 842 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 843 if (!new) 844 return -ENOMEM; 845 846 new->len = resp_len; 847 memcpy(new->data, resp, resp_len); 848 849 if (csa) 850 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 851 csa->n_counter_offsets_presp * 852 sizeof(new->cntdwn_counter_offsets[0])); 853 854 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 855 if (old) 856 kfree_rcu(old, rcu_head); 857 858 return 0; 859 } 860 861 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 862 struct cfg80211_fils_discovery *params) 863 { 864 struct fils_discovery_data *new, *old = NULL; 865 struct ieee80211_fils_discovery *fd; 866 867 if (!params->tmpl || !params->tmpl_len) 868 return -EINVAL; 869 870 fd = &sdata->vif.bss_conf.fils_discovery; 871 fd->min_interval = params->min_interval; 872 fd->max_interval = params->max_interval; 873 874 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata); 875 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 876 if (!new) 877 return -ENOMEM; 878 new->len = params->tmpl_len; 879 memcpy(new->data, params->tmpl, params->tmpl_len); 880 rcu_assign_pointer(sdata->u.ap.fils_discovery, new); 881 882 if (old) 883 kfree_rcu(old, rcu_head); 884 885 return 0; 886 } 887 888 static int 889 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 890 struct cfg80211_unsol_bcast_probe_resp *params) 891 { 892 struct unsol_bcast_probe_resp_data *new, *old = NULL; 893 894 if (!params->tmpl || !params->tmpl_len) 895 return -EINVAL; 896 897 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata); 898 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 899 if (!new) 900 return -ENOMEM; 901 new->len = params->tmpl_len; 902 memcpy(new->data, params->tmpl, params->tmpl_len); 903 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new); 904 905 if (old) 906 kfree_rcu(old, rcu_head); 907 908 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval = 909 params->interval; 910 911 return 0; 912 } 913 914 static int ieee80211_set_ftm_responder_params( 915 struct ieee80211_sub_if_data *sdata, 916 const u8 *lci, size_t lci_len, 917 const u8 *civicloc, size_t civicloc_len) 918 { 919 struct ieee80211_ftm_responder_params *new, *old; 920 struct ieee80211_bss_conf *bss_conf; 921 u8 *pos; 922 int len; 923 924 if (!lci_len && !civicloc_len) 925 return 0; 926 927 bss_conf = &sdata->vif.bss_conf; 928 old = bss_conf->ftmr_params; 929 len = lci_len + civicloc_len; 930 931 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 932 if (!new) 933 return -ENOMEM; 934 935 pos = (u8 *)(new + 1); 936 if (lci_len) { 937 new->lci_len = lci_len; 938 new->lci = pos; 939 memcpy(pos, lci, lci_len); 940 pos += lci_len; 941 } 942 943 if (civicloc_len) { 944 new->civicloc_len = civicloc_len; 945 new->civicloc = pos; 946 memcpy(pos, civicloc, civicloc_len); 947 pos += civicloc_len; 948 } 949 950 bss_conf->ftmr_params = new; 951 kfree(old); 952 953 return 0; 954 } 955 956 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 957 struct cfg80211_beacon_data *params, 958 const struct ieee80211_csa_settings *csa) 959 { 960 struct beacon_data *new, *old; 961 int new_head_len, new_tail_len; 962 int size, err; 963 u32 changed = BSS_CHANGED_BEACON; 964 965 old = sdata_dereference(sdata->u.ap.beacon, sdata); 966 967 968 /* Need to have a beacon head if we don't have one yet */ 969 if (!params->head && !old) 970 return -EINVAL; 971 972 /* new or old head? */ 973 if (params->head) 974 new_head_len = params->head_len; 975 else 976 new_head_len = old->head_len; 977 978 /* new or old tail? */ 979 if (params->tail || !old) 980 /* params->tail_len will be zero for !params->tail */ 981 new_tail_len = params->tail_len; 982 else 983 new_tail_len = old->tail_len; 984 985 size = sizeof(*new) + new_head_len + new_tail_len; 986 987 new = kzalloc(size, GFP_KERNEL); 988 if (!new) 989 return -ENOMEM; 990 991 /* start filling the new info now */ 992 993 /* 994 * pointers go into the block we allocated, 995 * memory is | beacon_data | head | tail | 996 */ 997 new->head = ((u8 *) new) + sizeof(*new); 998 new->tail = new->head + new_head_len; 999 new->head_len = new_head_len; 1000 new->tail_len = new_tail_len; 1001 1002 if (csa) { 1003 new->cntdwn_current_counter = csa->count; 1004 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 1005 csa->n_counter_offsets_beacon * 1006 sizeof(new->cntdwn_counter_offsets[0])); 1007 } 1008 1009 /* copy in head */ 1010 if (params->head) 1011 memcpy(new->head, params->head, new_head_len); 1012 else 1013 memcpy(new->head, old->head, new_head_len); 1014 1015 /* copy in optional tail */ 1016 if (params->tail) 1017 memcpy(new->tail, params->tail, new_tail_len); 1018 else 1019 if (old) 1020 memcpy(new->tail, old->tail, new_tail_len); 1021 1022 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1023 params->probe_resp_len, csa); 1024 if (err < 0) { 1025 kfree(new); 1026 return err; 1027 } 1028 if (err == 0) 1029 changed |= BSS_CHANGED_AP_PROBE_RESP; 1030 1031 if (params->ftm_responder != -1) { 1032 sdata->vif.bss_conf.ftm_responder = params->ftm_responder; 1033 err = ieee80211_set_ftm_responder_params(sdata, 1034 params->lci, 1035 params->lci_len, 1036 params->civicloc, 1037 params->civicloc_len); 1038 1039 if (err < 0) { 1040 kfree(new); 1041 return err; 1042 } 1043 1044 changed |= BSS_CHANGED_FTM_RESPONDER; 1045 } 1046 1047 rcu_assign_pointer(sdata->u.ap.beacon, new); 1048 1049 if (old) 1050 kfree_rcu(old, rcu_head); 1051 1052 return changed; 1053 } 1054 1055 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1056 struct cfg80211_ap_settings *params) 1057 { 1058 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1059 struct ieee80211_local *local = sdata->local; 1060 struct beacon_data *old; 1061 struct ieee80211_sub_if_data *vlan; 1062 u32 changed = BSS_CHANGED_BEACON_INT | 1063 BSS_CHANGED_BEACON_ENABLED | 1064 BSS_CHANGED_BEACON | 1065 BSS_CHANGED_SSID | 1066 BSS_CHANGED_P2P_PS | 1067 BSS_CHANGED_TXPOWER | 1068 BSS_CHANGED_TWT; 1069 int i, err; 1070 int prev_beacon_int; 1071 1072 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1073 if (old) 1074 return -EALREADY; 1075 1076 if (params->smps_mode != NL80211_SMPS_OFF) 1077 return -ENOTSUPP; 1078 1079 sdata->smps_mode = IEEE80211_SMPS_OFF; 1080 1081 sdata->needed_rx_chains = sdata->local->rx_chains; 1082 1083 prev_beacon_int = sdata->vif.bss_conf.beacon_int; 1084 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 1085 1086 if (params->he_cap && params->he_oper) { 1087 sdata->vif.bss_conf.he_support = true; 1088 sdata->vif.bss_conf.htc_trig_based_pkt_ext = 1089 le32_get_bits(params->he_oper->he_oper_params, 1090 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1091 sdata->vif.bss_conf.frame_time_rts_th = 1092 le32_get_bits(params->he_oper->he_oper_params, 1093 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1094 changed |= BSS_CHANGED_HE_OBSS_PD; 1095 1096 if (params->he_bss_color.enabled) 1097 changed |= BSS_CHANGED_HE_BSS_COLOR; 1098 } 1099 1100 mutex_lock(&local->mtx); 1101 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 1102 IEEE80211_CHANCTX_SHARED); 1103 if (!err) 1104 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 1105 mutex_unlock(&local->mtx); 1106 if (err) { 1107 sdata->vif.bss_conf.beacon_int = prev_beacon_int; 1108 return err; 1109 } 1110 1111 /* 1112 * Apply control port protocol, this allows us to 1113 * not encrypt dynamic WEP control frames. 1114 */ 1115 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1116 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1117 sdata->control_port_over_nl80211 = 1118 params->crypto.control_port_over_nl80211; 1119 sdata->control_port_no_preauth = 1120 params->crypto.control_port_no_preauth; 1121 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 1122 ¶ms->crypto, 1123 sdata->vif.type); 1124 1125 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1126 vlan->control_port_protocol = 1127 params->crypto.control_port_ethertype; 1128 vlan->control_port_no_encrypt = 1129 params->crypto.control_port_no_encrypt; 1130 vlan->control_port_over_nl80211 = 1131 params->crypto.control_port_over_nl80211; 1132 vlan->control_port_no_preauth = 1133 params->crypto.control_port_no_preauth; 1134 vlan->encrypt_headroom = 1135 ieee80211_cs_headroom(sdata->local, 1136 ¶ms->crypto, 1137 vlan->vif.type); 1138 } 1139 1140 sdata->vif.bss_conf.dtim_period = params->dtim_period; 1141 sdata->vif.bss_conf.enable_beacon = true; 1142 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; 1143 sdata->vif.bss_conf.twt_responder = params->twt_responder; 1144 sdata->vif.bss_conf.he_obss_pd = params->he_obss_pd; 1145 sdata->vif.bss_conf.he_bss_color = params->he_bss_color; 1146 sdata->vif.bss_conf.s1g = params->chandef.chan->band == 1147 NL80211_BAND_S1GHZ; 1148 1149 sdata->vif.bss_conf.ssid_len = params->ssid_len; 1150 if (params->ssid_len) 1151 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 1152 params->ssid_len); 1153 sdata->vif.bss_conf.hidden_ssid = 1154 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1155 1156 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 1157 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 1158 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 1159 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1160 if (params->p2p_opp_ps) 1161 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 1162 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1163 1164 sdata->beacon_rate_set = false; 1165 if (wiphy_ext_feature_isset(local->hw.wiphy, 1166 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1167 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1168 sdata->beacon_rateidx_mask[i] = 1169 params->beacon_rate.control[i].legacy; 1170 if (sdata->beacon_rateidx_mask[i]) 1171 sdata->beacon_rate_set = true; 1172 } 1173 } 1174 1175 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1176 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate; 1177 1178 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); 1179 if (err < 0) 1180 goto error; 1181 changed |= err; 1182 1183 if (params->fils_discovery.max_interval) { 1184 err = ieee80211_set_fils_discovery(sdata, 1185 ¶ms->fils_discovery); 1186 if (err < 0) 1187 goto error; 1188 changed |= BSS_CHANGED_FILS_DISCOVERY; 1189 } 1190 1191 if (params->unsol_bcast_probe_resp.interval) { 1192 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1193 ¶ms->unsol_bcast_probe_resp); 1194 if (err < 0) 1195 goto error; 1196 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1197 } 1198 1199 err = drv_start_ap(sdata->local, sdata); 1200 if (err) { 1201 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1202 1203 if (old) 1204 kfree_rcu(old, rcu_head); 1205 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1206 goto error; 1207 } 1208 1209 ieee80211_recalc_dtim(local, sdata); 1210 ieee80211_bss_info_change_notify(sdata, changed); 1211 1212 netif_carrier_on(dev); 1213 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1214 netif_carrier_on(vlan->dev); 1215 1216 return 0; 1217 1218 error: 1219 ieee80211_vif_release_channel(sdata); 1220 return err; 1221 } 1222 1223 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1224 struct cfg80211_beacon_data *params) 1225 { 1226 struct ieee80211_sub_if_data *sdata; 1227 struct beacon_data *old; 1228 int err; 1229 1230 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1231 sdata_assert_lock(sdata); 1232 1233 /* don't allow changing the beacon while CSA is in place - offset 1234 * of channel switch counter may change 1235 */ 1236 if (sdata->vif.csa_active) 1237 return -EBUSY; 1238 1239 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1240 if (!old) 1241 return -ENOENT; 1242 1243 err = ieee80211_assign_beacon(sdata, params, NULL); 1244 if (err < 0) 1245 return err; 1246 ieee80211_bss_info_change_notify(sdata, err); 1247 return 0; 1248 } 1249 1250 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1251 { 1252 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1253 struct ieee80211_sub_if_data *vlan; 1254 struct ieee80211_local *local = sdata->local; 1255 struct beacon_data *old_beacon; 1256 struct probe_resp *old_probe_resp; 1257 struct fils_discovery_data *old_fils_discovery; 1258 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1259 struct cfg80211_chan_def chandef; 1260 1261 sdata_assert_lock(sdata); 1262 1263 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); 1264 if (!old_beacon) 1265 return -ENOENT; 1266 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); 1267 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery, 1268 sdata); 1269 old_unsol_bcast_probe_resp = 1270 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, 1271 sdata); 1272 1273 /* abort any running channel switch */ 1274 mutex_lock(&local->mtx); 1275 sdata->vif.csa_active = false; 1276 if (sdata->csa_block_tx) { 1277 ieee80211_wake_vif_queues(local, sdata, 1278 IEEE80211_QUEUE_STOP_REASON_CSA); 1279 sdata->csa_block_tx = false; 1280 } 1281 1282 mutex_unlock(&local->mtx); 1283 1284 kfree(sdata->u.ap.next_beacon); 1285 sdata->u.ap.next_beacon = NULL; 1286 1287 /* turn off carrier for this interface and dependent VLANs */ 1288 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1289 netif_carrier_off(vlan->dev); 1290 netif_carrier_off(dev); 1291 1292 /* remove beacon and probe response */ 1293 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1294 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); 1295 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL); 1296 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL); 1297 kfree_rcu(old_beacon, rcu_head); 1298 if (old_probe_resp) 1299 kfree_rcu(old_probe_resp, rcu_head); 1300 if (old_fils_discovery) 1301 kfree_rcu(old_fils_discovery, rcu_head); 1302 if (old_unsol_bcast_probe_resp) 1303 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1304 1305 kfree(sdata->vif.bss_conf.ftmr_params); 1306 sdata->vif.bss_conf.ftmr_params = NULL; 1307 1308 __sta_info_flush(sdata, true); 1309 ieee80211_free_keys(sdata, true); 1310 1311 sdata->vif.bss_conf.enable_beacon = false; 1312 sdata->beacon_rate_set = false; 1313 sdata->vif.bss_conf.ssid_len = 0; 1314 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1315 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 1316 1317 if (sdata->wdev.cac_started) { 1318 chandef = sdata->vif.bss_conf.chandef; 1319 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); 1320 cfg80211_cac_event(sdata->dev, &chandef, 1321 NL80211_RADAR_CAC_ABORTED, 1322 GFP_KERNEL); 1323 } 1324 1325 drv_stop_ap(sdata->local, sdata); 1326 1327 /* free all potentially still buffered bcast frames */ 1328 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1329 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1330 1331 mutex_lock(&local->mtx); 1332 ieee80211_vif_copy_chanctx_to_vlans(sdata, true); 1333 ieee80211_vif_release_channel(sdata); 1334 mutex_unlock(&local->mtx); 1335 1336 return 0; 1337 } 1338 1339 static int sta_apply_auth_flags(struct ieee80211_local *local, 1340 struct sta_info *sta, 1341 u32 mask, u32 set) 1342 { 1343 int ret; 1344 1345 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1346 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1347 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1348 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1349 if (ret) 1350 return ret; 1351 } 1352 1353 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1354 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1355 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1356 /* 1357 * When peer becomes associated, init rate control as 1358 * well. Some drivers require rate control initialized 1359 * before drv_sta_state() is called. 1360 */ 1361 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1362 rate_control_rate_init(sta); 1363 1364 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1365 if (ret) 1366 return ret; 1367 } 1368 1369 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1370 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1371 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1372 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1373 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1374 else 1375 ret = 0; 1376 if (ret) 1377 return ret; 1378 } 1379 1380 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1381 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1382 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1383 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1384 if (ret) 1385 return ret; 1386 } 1387 1388 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1389 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1390 test_sta_flag(sta, WLAN_STA_AUTH)) { 1391 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1392 if (ret) 1393 return ret; 1394 } 1395 1396 return 0; 1397 } 1398 1399 static void sta_apply_mesh_params(struct ieee80211_local *local, 1400 struct sta_info *sta, 1401 struct station_parameters *params) 1402 { 1403 #ifdef CONFIG_MAC80211_MESH 1404 struct ieee80211_sub_if_data *sdata = sta->sdata; 1405 u32 changed = 0; 1406 1407 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1408 switch (params->plink_state) { 1409 case NL80211_PLINK_ESTAB: 1410 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1411 changed = mesh_plink_inc_estab_count(sdata); 1412 sta->mesh->plink_state = params->plink_state; 1413 sta->mesh->aid = params->peer_aid; 1414 1415 ieee80211_mps_sta_status_update(sta); 1416 changed |= ieee80211_mps_set_sta_local_pm(sta, 1417 sdata->u.mesh.mshcfg.power_mode); 1418 1419 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 1420 /* init at low value */ 1421 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 1422 1423 break; 1424 case NL80211_PLINK_LISTEN: 1425 case NL80211_PLINK_BLOCKED: 1426 case NL80211_PLINK_OPN_SNT: 1427 case NL80211_PLINK_OPN_RCVD: 1428 case NL80211_PLINK_CNF_RCVD: 1429 case NL80211_PLINK_HOLDING: 1430 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1431 changed = mesh_plink_dec_estab_count(sdata); 1432 sta->mesh->plink_state = params->plink_state; 1433 1434 ieee80211_mps_sta_status_update(sta); 1435 changed |= ieee80211_mps_set_sta_local_pm(sta, 1436 NL80211_MESH_POWER_UNKNOWN); 1437 break; 1438 default: 1439 /* nothing */ 1440 break; 1441 } 1442 } 1443 1444 switch (params->plink_action) { 1445 case NL80211_PLINK_ACTION_NO_ACTION: 1446 /* nothing */ 1447 break; 1448 case NL80211_PLINK_ACTION_OPEN: 1449 changed |= mesh_plink_open(sta); 1450 break; 1451 case NL80211_PLINK_ACTION_BLOCK: 1452 changed |= mesh_plink_block(sta); 1453 break; 1454 } 1455 1456 if (params->local_pm) 1457 changed |= ieee80211_mps_set_sta_local_pm(sta, 1458 params->local_pm); 1459 1460 ieee80211_mbss_info_change_notify(sdata, changed); 1461 #endif 1462 } 1463 1464 static void sta_apply_airtime_params(struct ieee80211_local *local, 1465 struct sta_info *sta, 1466 struct station_parameters *params) 1467 { 1468 u8 ac; 1469 1470 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 1471 struct airtime_sched_info *air_sched = &local->airtime[ac]; 1472 struct airtime_info *air_info = &sta->airtime[ac]; 1473 struct txq_info *txqi; 1474 u8 tid; 1475 1476 spin_lock_bh(&air_sched->lock); 1477 for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { 1478 if (air_info->weight == params->airtime_weight || 1479 !sta->sta.txq[tid] || 1480 ac != ieee80211_ac_from_tid(tid)) 1481 continue; 1482 1483 airtime_weight_set(air_info, params->airtime_weight); 1484 1485 txqi = to_txq_info(sta->sta.txq[tid]); 1486 if (RB_EMPTY_NODE(&txqi->schedule_order)) 1487 continue; 1488 1489 ieee80211_update_airtime_weight(local, air_sched, 1490 0, true); 1491 } 1492 spin_unlock_bh(&air_sched->lock); 1493 } 1494 } 1495 1496 static int sta_apply_parameters(struct ieee80211_local *local, 1497 struct sta_info *sta, 1498 struct station_parameters *params) 1499 { 1500 int ret = 0; 1501 struct ieee80211_supported_band *sband; 1502 struct ieee80211_sub_if_data *sdata = sta->sdata; 1503 u32 mask, set; 1504 1505 sband = ieee80211_get_sband(sdata); 1506 if (!sband) 1507 return -EINVAL; 1508 1509 mask = params->sta_flags_mask; 1510 set = params->sta_flags_set; 1511 1512 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1513 /* 1514 * In mesh mode, ASSOCIATED isn't part of the nl80211 1515 * API but must follow AUTHENTICATED for driver state. 1516 */ 1517 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1518 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1519 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1520 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1521 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1522 /* 1523 * TDLS -- everything follows authorized, but 1524 * only becoming authorized is possible, not 1525 * going back 1526 */ 1527 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1528 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1529 BIT(NL80211_STA_FLAG_ASSOCIATED); 1530 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1531 BIT(NL80211_STA_FLAG_ASSOCIATED); 1532 } 1533 } 1534 1535 if (mask & BIT(NL80211_STA_FLAG_WME) && 1536 local->hw.queues >= IEEE80211_NUM_ACS) 1537 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1538 1539 /* auth flags will be set later for TDLS, 1540 * and for unassociated stations that move to associated */ 1541 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1542 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1543 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1544 ret = sta_apply_auth_flags(local, sta, mask, set); 1545 if (ret) 1546 return ret; 1547 } 1548 1549 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1550 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1551 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1552 else 1553 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1554 } 1555 1556 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1557 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1558 if (set & BIT(NL80211_STA_FLAG_MFP)) 1559 set_sta_flag(sta, WLAN_STA_MFP); 1560 else 1561 clear_sta_flag(sta, WLAN_STA_MFP); 1562 } 1563 1564 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1565 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1566 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1567 else 1568 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1569 } 1570 1571 /* mark TDLS channel switch support, if the AP allows it */ 1572 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1573 !sdata->u.mgd.tdls_chan_switch_prohibited && 1574 params->ext_capab_len >= 4 && 1575 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1576 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1577 1578 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1579 !sdata->u.mgd.tdls_wider_bw_prohibited && 1580 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1581 params->ext_capab_len >= 8 && 1582 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1583 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1584 1585 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1586 sta->sta.uapsd_queues = params->uapsd_queues; 1587 sta->sta.max_sp = params->max_sp; 1588 } 1589 1590 /* The sender might not have sent the last bit, consider it to be 0 */ 1591 if (params->ext_capab_len >= 8) { 1592 u8 val = (params->ext_capab[7] & 1593 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; 1594 1595 /* we did get all the bits, take the MSB as well */ 1596 if (params->ext_capab_len >= 9) { 1597 u8 val_msb = params->ext_capab[8] & 1598 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; 1599 val_msb <<= 1; 1600 val |= val_msb; 1601 } 1602 1603 switch (val) { 1604 case 1: 1605 sta->sta.max_amsdu_subframes = 32; 1606 break; 1607 case 2: 1608 sta->sta.max_amsdu_subframes = 16; 1609 break; 1610 case 3: 1611 sta->sta.max_amsdu_subframes = 8; 1612 break; 1613 default: 1614 sta->sta.max_amsdu_subframes = 0; 1615 } 1616 } 1617 1618 /* 1619 * cfg80211 validates this (1-2007) and allows setting the AID 1620 * only when creating a new station entry 1621 */ 1622 if (params->aid) 1623 sta->sta.aid = params->aid; 1624 1625 /* 1626 * Some of the following updates would be racy if called on an 1627 * existing station, via ieee80211_change_station(). However, 1628 * all such changes are rejected by cfg80211 except for updates 1629 * changing the supported rates on an existing but not yet used 1630 * TDLS peer. 1631 */ 1632 1633 if (params->listen_interval >= 0) 1634 sta->listen_interval = params->listen_interval; 1635 1636 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) { 1637 sta->sta.txpwr.type = params->txpwr.type; 1638 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 1639 sta->sta.txpwr.power = params->txpwr.power; 1640 ret = drv_sta_set_txpwr(local, sdata, sta); 1641 if (ret) 1642 return ret; 1643 } 1644 1645 if (params->supported_rates && params->supported_rates_len) { 1646 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1647 sband, params->supported_rates, 1648 params->supported_rates_len, 1649 &sta->sta.supp_rates[sband->band]); 1650 } 1651 1652 if (params->ht_capa) 1653 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1654 params->ht_capa, sta); 1655 1656 /* VHT can override some HT caps such as the A-MSDU max length */ 1657 if (params->vht_capa) 1658 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1659 params->vht_capa, sta); 1660 1661 if (params->he_capa) 1662 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 1663 (void *)params->he_capa, 1664 params->he_capa_len, 1665 (void *)params->he_6ghz_capa, 1666 sta); 1667 1668 if (params->opmode_notif_used) { 1669 /* returned value is only needed for rc update, but the 1670 * rc isn't initialized here yet, so ignore it 1671 */ 1672 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif, 1673 sband->band); 1674 } 1675 1676 if (params->support_p2p_ps >= 0) 1677 sta->sta.support_p2p_ps = params->support_p2p_ps; 1678 1679 if (ieee80211_vif_is_mesh(&sdata->vif)) 1680 sta_apply_mesh_params(local, sta, params); 1681 1682 if (params->airtime_weight) 1683 sta_apply_airtime_params(local, sta, params); 1684 1685 1686 /* set the STA state after all sta info from usermode has been set */ 1687 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1688 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1689 ret = sta_apply_auth_flags(local, sta, mask, set); 1690 if (ret) 1691 return ret; 1692 } 1693 1694 return 0; 1695 } 1696 1697 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1698 const u8 *mac, 1699 struct station_parameters *params) 1700 { 1701 struct ieee80211_local *local = wiphy_priv(wiphy); 1702 struct sta_info *sta; 1703 struct ieee80211_sub_if_data *sdata; 1704 int err; 1705 1706 if (params->vlan) { 1707 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1708 1709 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1710 sdata->vif.type != NL80211_IFTYPE_AP) 1711 return -EINVAL; 1712 } else 1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1714 1715 if (ether_addr_equal(mac, sdata->vif.addr)) 1716 return -EINVAL; 1717 1718 if (!is_valid_ether_addr(mac)) 1719 return -EINVAL; 1720 1721 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 1722 sdata->vif.type == NL80211_IFTYPE_STATION && 1723 !sdata->u.mgd.associated) 1724 return -EINVAL; 1725 1726 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1727 if (!sta) 1728 return -ENOMEM; 1729 1730 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1731 sta->sta.tdls = true; 1732 1733 err = sta_apply_parameters(local, sta, params); 1734 if (err) { 1735 sta_info_free(local, sta); 1736 return err; 1737 } 1738 1739 /* 1740 * for TDLS and for unassociated station, rate control should be 1741 * initialized only when rates are known and station is marked 1742 * authorized/associated 1743 */ 1744 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1745 test_sta_flag(sta, WLAN_STA_ASSOC)) 1746 rate_control_rate_init(sta); 1747 1748 return sta_info_insert(sta); 1749 } 1750 1751 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1752 struct station_del_parameters *params) 1753 { 1754 struct ieee80211_sub_if_data *sdata; 1755 1756 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1757 1758 if (params->mac) 1759 return sta_info_destroy_addr_bss(sdata, params->mac); 1760 1761 sta_info_flush(sdata); 1762 return 0; 1763 } 1764 1765 static int ieee80211_change_station(struct wiphy *wiphy, 1766 struct net_device *dev, const u8 *mac, 1767 struct station_parameters *params) 1768 { 1769 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1770 struct ieee80211_local *local = wiphy_priv(wiphy); 1771 struct sta_info *sta; 1772 struct ieee80211_sub_if_data *vlansdata; 1773 enum cfg80211_station_type statype; 1774 int err; 1775 1776 mutex_lock(&local->sta_mtx); 1777 1778 sta = sta_info_get_bss(sdata, mac); 1779 if (!sta) { 1780 err = -ENOENT; 1781 goto out_err; 1782 } 1783 1784 switch (sdata->vif.type) { 1785 case NL80211_IFTYPE_MESH_POINT: 1786 if (sdata->u.mesh.user_mpm) 1787 statype = CFG80211_STA_MESH_PEER_USER; 1788 else 1789 statype = CFG80211_STA_MESH_PEER_KERNEL; 1790 break; 1791 case NL80211_IFTYPE_ADHOC: 1792 statype = CFG80211_STA_IBSS; 1793 break; 1794 case NL80211_IFTYPE_STATION: 1795 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1796 statype = CFG80211_STA_AP_STA; 1797 break; 1798 } 1799 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1800 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 1801 else 1802 statype = CFG80211_STA_TDLS_PEER_SETUP; 1803 break; 1804 case NL80211_IFTYPE_AP: 1805 case NL80211_IFTYPE_AP_VLAN: 1806 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 1807 statype = CFG80211_STA_AP_CLIENT; 1808 else 1809 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 1810 break; 1811 default: 1812 err = -EOPNOTSUPP; 1813 goto out_err; 1814 } 1815 1816 err = cfg80211_check_station_change(wiphy, params, statype); 1817 if (err) 1818 goto out_err; 1819 1820 if (params->vlan && params->vlan != sta->sdata->dev) { 1821 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1822 1823 if (params->vlan->ieee80211_ptr->use_4addr) { 1824 if (vlansdata->u.vlan.sta) { 1825 err = -EBUSY; 1826 goto out_err; 1827 } 1828 1829 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1830 __ieee80211_check_fast_rx_iface(vlansdata); 1831 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 1832 } 1833 1834 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1835 sta->sdata->u.vlan.sta) { 1836 ieee80211_clear_fast_rx(sta); 1837 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 1838 } 1839 1840 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1841 ieee80211_vif_dec_num_mcast(sta->sdata); 1842 1843 sta->sdata = vlansdata; 1844 ieee80211_check_fast_xmit(sta); 1845 1846 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 1847 ieee80211_vif_inc_num_mcast(sta->sdata); 1848 cfg80211_send_layer2_update(sta->sdata->dev, 1849 sta->sta.addr); 1850 } 1851 } 1852 1853 err = sta_apply_parameters(local, sta, params); 1854 if (err) 1855 goto out_err; 1856 1857 mutex_unlock(&local->sta_mtx); 1858 1859 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1860 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1861 ieee80211_recalc_ps(local); 1862 ieee80211_recalc_ps_vif(sdata); 1863 } 1864 1865 return 0; 1866 out_err: 1867 mutex_unlock(&local->sta_mtx); 1868 return err; 1869 } 1870 1871 #ifdef CONFIG_MAC80211_MESH 1872 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1873 const u8 *dst, const u8 *next_hop) 1874 { 1875 struct ieee80211_sub_if_data *sdata; 1876 struct mesh_path *mpath; 1877 struct sta_info *sta; 1878 1879 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1880 1881 rcu_read_lock(); 1882 sta = sta_info_get(sdata, next_hop); 1883 if (!sta) { 1884 rcu_read_unlock(); 1885 return -ENOENT; 1886 } 1887 1888 mpath = mesh_path_add(sdata, dst); 1889 if (IS_ERR(mpath)) { 1890 rcu_read_unlock(); 1891 return PTR_ERR(mpath); 1892 } 1893 1894 mesh_path_fix_nexthop(mpath, sta); 1895 1896 rcu_read_unlock(); 1897 return 0; 1898 } 1899 1900 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1901 const u8 *dst) 1902 { 1903 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1904 1905 if (dst) 1906 return mesh_path_del(sdata, dst); 1907 1908 mesh_path_flush_by_iface(sdata); 1909 return 0; 1910 } 1911 1912 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 1913 const u8 *dst, const u8 *next_hop) 1914 { 1915 struct ieee80211_sub_if_data *sdata; 1916 struct mesh_path *mpath; 1917 struct sta_info *sta; 1918 1919 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1920 1921 rcu_read_lock(); 1922 1923 sta = sta_info_get(sdata, next_hop); 1924 if (!sta) { 1925 rcu_read_unlock(); 1926 return -ENOENT; 1927 } 1928 1929 mpath = mesh_path_lookup(sdata, dst); 1930 if (!mpath) { 1931 rcu_read_unlock(); 1932 return -ENOENT; 1933 } 1934 1935 mesh_path_fix_nexthop(mpath, sta); 1936 1937 rcu_read_unlock(); 1938 return 0; 1939 } 1940 1941 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1942 struct mpath_info *pinfo) 1943 { 1944 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1945 1946 if (next_hop_sta) 1947 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1948 else 1949 eth_zero_addr(next_hop); 1950 1951 memset(pinfo, 0, sizeof(*pinfo)); 1952 1953 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 1954 1955 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1956 MPATH_INFO_SN | 1957 MPATH_INFO_METRIC | 1958 MPATH_INFO_EXPTIME | 1959 MPATH_INFO_DISCOVERY_TIMEOUT | 1960 MPATH_INFO_DISCOVERY_RETRIES | 1961 MPATH_INFO_FLAGS | 1962 MPATH_INFO_HOP_COUNT | 1963 MPATH_INFO_PATH_CHANGE; 1964 1965 pinfo->frame_qlen = mpath->frame_queue.qlen; 1966 pinfo->sn = mpath->sn; 1967 pinfo->metric = mpath->metric; 1968 if (time_before(jiffies, mpath->exp_time)) 1969 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1970 pinfo->discovery_timeout = 1971 jiffies_to_msecs(mpath->discovery_timeout); 1972 pinfo->discovery_retries = mpath->discovery_retries; 1973 if (mpath->flags & MESH_PATH_ACTIVE) 1974 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1975 if (mpath->flags & MESH_PATH_RESOLVING) 1976 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1977 if (mpath->flags & MESH_PATH_SN_VALID) 1978 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1979 if (mpath->flags & MESH_PATH_FIXED) 1980 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1981 if (mpath->flags & MESH_PATH_RESOLVED) 1982 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1983 pinfo->hop_count = mpath->hop_count; 1984 pinfo->path_change_count = mpath->path_change_count; 1985 } 1986 1987 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1988 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1989 1990 { 1991 struct ieee80211_sub_if_data *sdata; 1992 struct mesh_path *mpath; 1993 1994 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1995 1996 rcu_read_lock(); 1997 mpath = mesh_path_lookup(sdata, dst); 1998 if (!mpath) { 1999 rcu_read_unlock(); 2000 return -ENOENT; 2001 } 2002 memcpy(dst, mpath->dst, ETH_ALEN); 2003 mpath_set_pinfo(mpath, next_hop, pinfo); 2004 rcu_read_unlock(); 2005 return 0; 2006 } 2007 2008 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 2009 int idx, u8 *dst, u8 *next_hop, 2010 struct mpath_info *pinfo) 2011 { 2012 struct ieee80211_sub_if_data *sdata; 2013 struct mesh_path *mpath; 2014 2015 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2016 2017 rcu_read_lock(); 2018 mpath = mesh_path_lookup_by_idx(sdata, idx); 2019 if (!mpath) { 2020 rcu_read_unlock(); 2021 return -ENOENT; 2022 } 2023 memcpy(dst, mpath->dst, ETH_ALEN); 2024 mpath_set_pinfo(mpath, next_hop, pinfo); 2025 rcu_read_unlock(); 2026 return 0; 2027 } 2028 2029 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 2030 struct mpath_info *pinfo) 2031 { 2032 memset(pinfo, 0, sizeof(*pinfo)); 2033 memcpy(mpp, mpath->mpp, ETH_ALEN); 2034 2035 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 2036 } 2037 2038 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 2039 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 2040 2041 { 2042 struct ieee80211_sub_if_data *sdata; 2043 struct mesh_path *mpath; 2044 2045 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2046 2047 rcu_read_lock(); 2048 mpath = mpp_path_lookup(sdata, dst); 2049 if (!mpath) { 2050 rcu_read_unlock(); 2051 return -ENOENT; 2052 } 2053 memcpy(dst, mpath->dst, ETH_ALEN); 2054 mpp_set_pinfo(mpath, mpp, pinfo); 2055 rcu_read_unlock(); 2056 return 0; 2057 } 2058 2059 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2060 int idx, u8 *dst, u8 *mpp, 2061 struct mpath_info *pinfo) 2062 { 2063 struct ieee80211_sub_if_data *sdata; 2064 struct mesh_path *mpath; 2065 2066 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2067 2068 rcu_read_lock(); 2069 mpath = mpp_path_lookup_by_idx(sdata, idx); 2070 if (!mpath) { 2071 rcu_read_unlock(); 2072 return -ENOENT; 2073 } 2074 memcpy(dst, mpath->dst, ETH_ALEN); 2075 mpp_set_pinfo(mpath, mpp, pinfo); 2076 rcu_read_unlock(); 2077 return 0; 2078 } 2079 2080 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2081 struct net_device *dev, 2082 struct mesh_config *conf) 2083 { 2084 struct ieee80211_sub_if_data *sdata; 2085 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2086 2087 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2088 return 0; 2089 } 2090 2091 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2092 { 2093 return (mask >> (parm-1)) & 0x1; 2094 } 2095 2096 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2097 const struct mesh_setup *setup) 2098 { 2099 u8 *new_ie; 2100 const u8 *old_ie; 2101 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2102 struct ieee80211_sub_if_data, u.mesh); 2103 int i; 2104 2105 /* allocate information elements */ 2106 new_ie = NULL; 2107 old_ie = ifmsh->ie; 2108 2109 if (setup->ie_len) { 2110 new_ie = kmemdup(setup->ie, setup->ie_len, 2111 GFP_KERNEL); 2112 if (!new_ie) 2113 return -ENOMEM; 2114 } 2115 ifmsh->ie_len = setup->ie_len; 2116 ifmsh->ie = new_ie; 2117 kfree(old_ie); 2118 2119 /* now copy the rest of the setup parameters */ 2120 ifmsh->mesh_id_len = setup->mesh_id_len; 2121 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2122 ifmsh->mesh_sp_id = setup->sync_method; 2123 ifmsh->mesh_pp_id = setup->path_sel_proto; 2124 ifmsh->mesh_pm_id = setup->path_metric; 2125 ifmsh->user_mpm = setup->user_mpm; 2126 ifmsh->mesh_auth_id = setup->auth_id; 2127 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2128 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2129 if (setup->is_authenticated) 2130 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2131 if (setup->is_secure) 2132 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2133 2134 /* mcast rate setting in Mesh Node */ 2135 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2136 sizeof(setup->mcast_rate)); 2137 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2138 2139 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2140 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2141 2142 sdata->beacon_rate_set = false; 2143 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2144 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2145 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2146 sdata->beacon_rateidx_mask[i] = 2147 setup->beacon_rate.control[i].legacy; 2148 if (sdata->beacon_rateidx_mask[i]) 2149 sdata->beacon_rate_set = true; 2150 } 2151 } 2152 2153 return 0; 2154 } 2155 2156 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2157 struct net_device *dev, u32 mask, 2158 const struct mesh_config *nconf) 2159 { 2160 struct mesh_config *conf; 2161 struct ieee80211_sub_if_data *sdata; 2162 struct ieee80211_if_mesh *ifmsh; 2163 2164 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2165 ifmsh = &sdata->u.mesh; 2166 2167 /* Set the config options which we are interested in setting */ 2168 conf = &(sdata->u.mesh.mshcfg); 2169 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2170 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2171 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2172 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2173 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2174 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2175 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2176 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2177 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2178 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2179 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2180 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2181 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2182 conf->element_ttl = nconf->element_ttl; 2183 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2184 if (ifmsh->user_mpm) 2185 return -EBUSY; 2186 conf->auto_open_plinks = nconf->auto_open_plinks; 2187 } 2188 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2189 conf->dot11MeshNbrOffsetMaxNeighbor = 2190 nconf->dot11MeshNbrOffsetMaxNeighbor; 2191 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2192 conf->dot11MeshHWMPmaxPREQretries = 2193 nconf->dot11MeshHWMPmaxPREQretries; 2194 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2195 conf->path_refresh_time = nconf->path_refresh_time; 2196 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2197 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2198 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2199 conf->dot11MeshHWMPactivePathTimeout = 2200 nconf->dot11MeshHWMPactivePathTimeout; 2201 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2202 conf->dot11MeshHWMPpreqMinInterval = 2203 nconf->dot11MeshHWMPpreqMinInterval; 2204 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2205 conf->dot11MeshHWMPperrMinInterval = 2206 nconf->dot11MeshHWMPperrMinInterval; 2207 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2208 mask)) 2209 conf->dot11MeshHWMPnetDiameterTraversalTime = 2210 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2211 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2212 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2213 ieee80211_mesh_root_setup(ifmsh); 2214 } 2215 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2216 /* our current gate announcement implementation rides on root 2217 * announcements, so require this ifmsh to also be a root node 2218 * */ 2219 if (nconf->dot11MeshGateAnnouncementProtocol && 2220 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2221 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2222 ieee80211_mesh_root_setup(ifmsh); 2223 } 2224 conf->dot11MeshGateAnnouncementProtocol = 2225 nconf->dot11MeshGateAnnouncementProtocol; 2226 } 2227 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2228 conf->dot11MeshHWMPRannInterval = 2229 nconf->dot11MeshHWMPRannInterval; 2230 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2231 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2232 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2233 /* our RSSI threshold implementation is supported only for 2234 * devices that report signal in dBm. 2235 */ 2236 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2237 return -ENOTSUPP; 2238 conf->rssi_threshold = nconf->rssi_threshold; 2239 } 2240 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2241 conf->ht_opmode = nconf->ht_opmode; 2242 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2243 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 2244 } 2245 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2246 conf->dot11MeshHWMPactivePathToRootTimeout = 2247 nconf->dot11MeshHWMPactivePathToRootTimeout; 2248 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2249 conf->dot11MeshHWMProotInterval = 2250 nconf->dot11MeshHWMProotInterval; 2251 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2252 conf->dot11MeshHWMPconfirmationInterval = 2253 nconf->dot11MeshHWMPconfirmationInterval; 2254 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2255 conf->power_mode = nconf->power_mode; 2256 ieee80211_mps_local_status_update(sdata); 2257 } 2258 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2259 conf->dot11MeshAwakeWindowDuration = 2260 nconf->dot11MeshAwakeWindowDuration; 2261 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2262 conf->plink_timeout = nconf->plink_timeout; 2263 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2264 conf->dot11MeshConnectedToMeshGate = 2265 nconf->dot11MeshConnectedToMeshGate; 2266 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2267 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2268 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2269 conf->dot11MeshConnectedToAuthServer = 2270 nconf->dot11MeshConnectedToAuthServer; 2271 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2272 return 0; 2273 } 2274 2275 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2276 const struct mesh_config *conf, 2277 const struct mesh_setup *setup) 2278 { 2279 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2280 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2281 int err; 2282 2283 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2284 err = copy_mesh_setup(ifmsh, setup); 2285 if (err) 2286 return err; 2287 2288 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2289 2290 /* can mesh use other SMPS modes? */ 2291 sdata->smps_mode = IEEE80211_SMPS_OFF; 2292 sdata->needed_rx_chains = sdata->local->rx_chains; 2293 2294 mutex_lock(&sdata->local->mtx); 2295 err = ieee80211_vif_use_channel(sdata, &setup->chandef, 2296 IEEE80211_CHANCTX_SHARED); 2297 mutex_unlock(&sdata->local->mtx); 2298 if (err) 2299 return err; 2300 2301 return ieee80211_start_mesh(sdata); 2302 } 2303 2304 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2305 { 2306 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2307 2308 ieee80211_stop_mesh(sdata); 2309 mutex_lock(&sdata->local->mtx); 2310 ieee80211_vif_release_channel(sdata); 2311 kfree(sdata->u.mesh.ie); 2312 mutex_unlock(&sdata->local->mtx); 2313 2314 return 0; 2315 } 2316 #endif 2317 2318 static int ieee80211_change_bss(struct wiphy *wiphy, 2319 struct net_device *dev, 2320 struct bss_parameters *params) 2321 { 2322 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2323 struct ieee80211_supported_band *sband; 2324 u32 changed = 0; 2325 2326 if (!sdata_dereference(sdata->u.ap.beacon, sdata)) 2327 return -ENOENT; 2328 2329 sband = ieee80211_get_sband(sdata); 2330 if (!sband) 2331 return -EINVAL; 2332 2333 if (params->use_cts_prot >= 0) { 2334 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 2335 changed |= BSS_CHANGED_ERP_CTS_PROT; 2336 } 2337 if (params->use_short_preamble >= 0) { 2338 sdata->vif.bss_conf.use_short_preamble = 2339 params->use_short_preamble; 2340 changed |= BSS_CHANGED_ERP_PREAMBLE; 2341 } 2342 2343 if (!sdata->vif.bss_conf.use_short_slot && 2344 (sband->band == NL80211_BAND_5GHZ || 2345 sband->band == NL80211_BAND_6GHZ)) { 2346 sdata->vif.bss_conf.use_short_slot = true; 2347 changed |= BSS_CHANGED_ERP_SLOT; 2348 } 2349 2350 if (params->use_short_slot_time >= 0) { 2351 sdata->vif.bss_conf.use_short_slot = 2352 params->use_short_slot_time; 2353 changed |= BSS_CHANGED_ERP_SLOT; 2354 } 2355 2356 if (params->basic_rates) { 2357 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 2358 wiphy->bands[sband->band], 2359 params->basic_rates, 2360 params->basic_rates_len, 2361 &sdata->vif.bss_conf.basic_rates); 2362 changed |= BSS_CHANGED_BASIC_RATES; 2363 ieee80211_check_rate_mask(sdata); 2364 } 2365 2366 if (params->ap_isolate >= 0) { 2367 if (params->ap_isolate) 2368 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2369 else 2370 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2371 ieee80211_check_fast_rx_iface(sdata); 2372 } 2373 2374 if (params->ht_opmode >= 0) { 2375 sdata->vif.bss_conf.ht_operation_mode = 2376 (u16) params->ht_opmode; 2377 changed |= BSS_CHANGED_HT; 2378 } 2379 2380 if (params->p2p_ctwindow >= 0) { 2381 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2382 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2383 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2384 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2385 changed |= BSS_CHANGED_P2P_PS; 2386 } 2387 2388 if (params->p2p_opp_ps > 0) { 2389 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2390 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2391 changed |= BSS_CHANGED_P2P_PS; 2392 } else if (params->p2p_opp_ps == 0) { 2393 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2394 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2395 changed |= BSS_CHANGED_P2P_PS; 2396 } 2397 2398 ieee80211_bss_info_change_notify(sdata, changed); 2399 2400 return 0; 2401 } 2402 2403 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2404 struct net_device *dev, 2405 struct ieee80211_txq_params *params) 2406 { 2407 struct ieee80211_local *local = wiphy_priv(wiphy); 2408 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2409 struct ieee80211_tx_queue_params p; 2410 2411 if (!local->ops->conf_tx) 2412 return -EOPNOTSUPP; 2413 2414 if (local->hw.queues < IEEE80211_NUM_ACS) 2415 return -EOPNOTSUPP; 2416 2417 memset(&p, 0, sizeof(p)); 2418 p.aifs = params->aifs; 2419 p.cw_max = params->cwmax; 2420 p.cw_min = params->cwmin; 2421 p.txop = params->txop; 2422 2423 /* 2424 * Setting tx queue params disables u-apsd because it's only 2425 * called in master mode. 2426 */ 2427 p.uapsd = false; 2428 2429 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 2430 2431 sdata->tx_conf[params->ac] = p; 2432 if (drv_conf_tx(local, sdata, params->ac, &p)) { 2433 wiphy_debug(local->hw.wiphy, 2434 "failed to set TX queue parameters for AC %d\n", 2435 params->ac); 2436 return -EINVAL; 2437 } 2438 2439 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 2440 2441 return 0; 2442 } 2443 2444 #ifdef CONFIG_PM 2445 static int ieee80211_suspend(struct wiphy *wiphy, 2446 struct cfg80211_wowlan *wowlan) 2447 { 2448 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2449 } 2450 2451 static int ieee80211_resume(struct wiphy *wiphy) 2452 { 2453 return __ieee80211_resume(wiphy_priv(wiphy)); 2454 } 2455 #else 2456 #define ieee80211_suspend NULL 2457 #define ieee80211_resume NULL 2458 #endif 2459 2460 static int ieee80211_scan(struct wiphy *wiphy, 2461 struct cfg80211_scan_request *req) 2462 { 2463 struct ieee80211_sub_if_data *sdata; 2464 2465 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2466 2467 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2468 case NL80211_IFTYPE_STATION: 2469 case NL80211_IFTYPE_ADHOC: 2470 case NL80211_IFTYPE_MESH_POINT: 2471 case NL80211_IFTYPE_P2P_CLIENT: 2472 case NL80211_IFTYPE_P2P_DEVICE: 2473 break; 2474 case NL80211_IFTYPE_P2P_GO: 2475 if (sdata->local->ops->hw_scan) 2476 break; 2477 /* 2478 * FIXME: implement NoA while scanning in software, 2479 * for now fall through to allow scanning only when 2480 * beaconing hasn't been configured yet 2481 */ 2482 fallthrough; 2483 case NL80211_IFTYPE_AP: 2484 /* 2485 * If the scan has been forced (and the driver supports 2486 * forcing), don't care about being beaconing already. 2487 * This will create problems to the attached stations (e.g. all 2488 * the frames sent while scanning on other channel will be 2489 * lost) 2490 */ 2491 if (sdata->u.ap.beacon && 2492 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2493 !(req->flags & NL80211_SCAN_FLAG_AP))) 2494 return -EOPNOTSUPP; 2495 break; 2496 case NL80211_IFTYPE_NAN: 2497 default: 2498 return -EOPNOTSUPP; 2499 } 2500 2501 return ieee80211_request_scan(sdata, req); 2502 } 2503 2504 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2505 { 2506 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2507 } 2508 2509 static int 2510 ieee80211_sched_scan_start(struct wiphy *wiphy, 2511 struct net_device *dev, 2512 struct cfg80211_sched_scan_request *req) 2513 { 2514 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2515 2516 if (!sdata->local->ops->sched_scan_start) 2517 return -EOPNOTSUPP; 2518 2519 return ieee80211_request_sched_scan_start(sdata, req); 2520 } 2521 2522 static int 2523 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2524 u64 reqid) 2525 { 2526 struct ieee80211_local *local = wiphy_priv(wiphy); 2527 2528 if (!local->ops->sched_scan_stop) 2529 return -EOPNOTSUPP; 2530 2531 return ieee80211_request_sched_scan_stop(local); 2532 } 2533 2534 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2535 struct cfg80211_auth_request *req) 2536 { 2537 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2538 } 2539 2540 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2541 struct cfg80211_assoc_request *req) 2542 { 2543 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2544 } 2545 2546 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2547 struct cfg80211_deauth_request *req) 2548 { 2549 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2550 } 2551 2552 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2553 struct cfg80211_disassoc_request *req) 2554 { 2555 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2556 } 2557 2558 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2559 struct cfg80211_ibss_params *params) 2560 { 2561 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2562 } 2563 2564 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2565 { 2566 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2567 } 2568 2569 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2570 struct ocb_setup *setup) 2571 { 2572 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2573 } 2574 2575 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2576 { 2577 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2578 } 2579 2580 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2581 int rate[NUM_NL80211_BANDS]) 2582 { 2583 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2584 2585 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2586 sizeof(int) * NUM_NL80211_BANDS); 2587 2588 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE); 2589 2590 return 0; 2591 } 2592 2593 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2594 { 2595 struct ieee80211_local *local = wiphy_priv(wiphy); 2596 int err; 2597 2598 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2599 ieee80211_check_fast_xmit_all(local); 2600 2601 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2602 2603 if (err) { 2604 ieee80211_check_fast_xmit_all(local); 2605 return err; 2606 } 2607 } 2608 2609 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2610 (changed & WIPHY_PARAM_DYN_ACK)) { 2611 s16 coverage_class; 2612 2613 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2614 wiphy->coverage_class : -1; 2615 err = drv_set_coverage_class(local, coverage_class); 2616 2617 if (err) 2618 return err; 2619 } 2620 2621 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2622 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2623 2624 if (err) 2625 return err; 2626 } 2627 2628 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2629 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2630 return -EINVAL; 2631 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2632 } 2633 if (changed & WIPHY_PARAM_RETRY_LONG) { 2634 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2635 return -EINVAL; 2636 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2637 } 2638 if (changed & 2639 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2640 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2641 2642 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 2643 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 2644 WIPHY_PARAM_TXQ_QUANTUM)) 2645 ieee80211_txq_set_params(local); 2646 2647 return 0; 2648 } 2649 2650 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2651 struct wireless_dev *wdev, 2652 enum nl80211_tx_power_setting type, int mbm) 2653 { 2654 struct ieee80211_local *local = wiphy_priv(wiphy); 2655 struct ieee80211_sub_if_data *sdata; 2656 enum nl80211_tx_power_setting txp_type = type; 2657 bool update_txp_type = false; 2658 bool has_monitor = false; 2659 2660 if (wdev) { 2661 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2662 2663 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2664 sdata = rtnl_dereference(local->monitor_sdata); 2665 if (!sdata) 2666 return -EOPNOTSUPP; 2667 } 2668 2669 switch (type) { 2670 case NL80211_TX_POWER_AUTOMATIC: 2671 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2672 txp_type = NL80211_TX_POWER_LIMITED; 2673 break; 2674 case NL80211_TX_POWER_LIMITED: 2675 case NL80211_TX_POWER_FIXED: 2676 if (mbm < 0 || (mbm % 100)) 2677 return -EOPNOTSUPP; 2678 sdata->user_power_level = MBM_TO_DBM(mbm); 2679 break; 2680 } 2681 2682 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2683 update_txp_type = true; 2684 sdata->vif.bss_conf.txpower_type = txp_type; 2685 } 2686 2687 ieee80211_recalc_txpower(sdata, update_txp_type); 2688 2689 return 0; 2690 } 2691 2692 switch (type) { 2693 case NL80211_TX_POWER_AUTOMATIC: 2694 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2695 txp_type = NL80211_TX_POWER_LIMITED; 2696 break; 2697 case NL80211_TX_POWER_LIMITED: 2698 case NL80211_TX_POWER_FIXED: 2699 if (mbm < 0 || (mbm % 100)) 2700 return -EOPNOTSUPP; 2701 local->user_power_level = MBM_TO_DBM(mbm); 2702 break; 2703 } 2704 2705 mutex_lock(&local->iflist_mtx); 2706 list_for_each_entry(sdata, &local->interfaces, list) { 2707 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2708 has_monitor = true; 2709 continue; 2710 } 2711 sdata->user_power_level = local->user_power_level; 2712 if (txp_type != sdata->vif.bss_conf.txpower_type) 2713 update_txp_type = true; 2714 sdata->vif.bss_conf.txpower_type = txp_type; 2715 } 2716 list_for_each_entry(sdata, &local->interfaces, list) { 2717 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) 2718 continue; 2719 ieee80211_recalc_txpower(sdata, update_txp_type); 2720 } 2721 mutex_unlock(&local->iflist_mtx); 2722 2723 if (has_monitor) { 2724 sdata = rtnl_dereference(local->monitor_sdata); 2725 if (sdata) { 2726 sdata->user_power_level = local->user_power_level; 2727 if (txp_type != sdata->vif.bss_conf.txpower_type) 2728 update_txp_type = true; 2729 sdata->vif.bss_conf.txpower_type = txp_type; 2730 2731 ieee80211_recalc_txpower(sdata, update_txp_type); 2732 } 2733 } 2734 2735 return 0; 2736 } 2737 2738 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2739 struct wireless_dev *wdev, 2740 int *dbm) 2741 { 2742 struct ieee80211_local *local = wiphy_priv(wiphy); 2743 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2744 2745 if (local->ops->get_txpower) 2746 return drv_get_txpower(local, sdata, dbm); 2747 2748 if (!local->use_chanctx) 2749 *dbm = local->hw.conf.power_level; 2750 else 2751 *dbm = sdata->vif.bss_conf.txpower; 2752 2753 return 0; 2754 } 2755 2756 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2757 { 2758 struct ieee80211_local *local = wiphy_priv(wiphy); 2759 2760 drv_rfkill_poll(local); 2761 } 2762 2763 #ifdef CONFIG_NL80211_TESTMODE 2764 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 2765 struct wireless_dev *wdev, 2766 void *data, int len) 2767 { 2768 struct ieee80211_local *local = wiphy_priv(wiphy); 2769 struct ieee80211_vif *vif = NULL; 2770 2771 if (!local->ops->testmode_cmd) 2772 return -EOPNOTSUPP; 2773 2774 if (wdev) { 2775 struct ieee80211_sub_if_data *sdata; 2776 2777 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2778 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 2779 vif = &sdata->vif; 2780 } 2781 2782 return local->ops->testmode_cmd(&local->hw, vif, data, len); 2783 } 2784 2785 static int ieee80211_testmode_dump(struct wiphy *wiphy, 2786 struct sk_buff *skb, 2787 struct netlink_callback *cb, 2788 void *data, int len) 2789 { 2790 struct ieee80211_local *local = wiphy_priv(wiphy); 2791 2792 if (!local->ops->testmode_dump) 2793 return -EOPNOTSUPP; 2794 2795 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2796 } 2797 #endif 2798 2799 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2800 enum ieee80211_smps_mode smps_mode) 2801 { 2802 const u8 *ap; 2803 enum ieee80211_smps_mode old_req; 2804 int err; 2805 struct sta_info *sta; 2806 bool tdls_peer_found = false; 2807 2808 lockdep_assert_held(&sdata->wdev.mtx); 2809 2810 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 2811 return -EINVAL; 2812 2813 old_req = sdata->u.mgd.req_smps; 2814 sdata->u.mgd.req_smps = smps_mode; 2815 2816 if (old_req == smps_mode && 2817 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2818 return 0; 2819 2820 /* 2821 * If not associated, or current association is not an HT 2822 * association, there's no need to do anything, just store 2823 * the new value until we associate. 2824 */ 2825 if (!sdata->u.mgd.associated || 2826 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2827 return 0; 2828 2829 ap = sdata->u.mgd.associated->bssid; 2830 2831 rcu_read_lock(); 2832 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 2833 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 2834 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2835 continue; 2836 2837 tdls_peer_found = true; 2838 break; 2839 } 2840 rcu_read_unlock(); 2841 2842 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2843 if (tdls_peer_found || !sdata->u.mgd.powersave) 2844 smps_mode = IEEE80211_SMPS_OFF; 2845 else 2846 smps_mode = IEEE80211_SMPS_DYNAMIC; 2847 } 2848 2849 /* send SM PS frame to AP */ 2850 err = ieee80211_send_smps_action(sdata, smps_mode, 2851 ap, ap); 2852 if (err) 2853 sdata->u.mgd.req_smps = old_req; 2854 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 2855 ieee80211_teardown_tdls_peers(sdata); 2856 2857 return err; 2858 } 2859 2860 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2861 bool enabled, int timeout) 2862 { 2863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2864 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2865 2866 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2867 return -EOPNOTSUPP; 2868 2869 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 2870 return -EOPNOTSUPP; 2871 2872 if (enabled == sdata->u.mgd.powersave && 2873 timeout == local->dynamic_ps_forced_timeout) 2874 return 0; 2875 2876 sdata->u.mgd.powersave = enabled; 2877 local->dynamic_ps_forced_timeout = timeout; 2878 2879 /* no change, but if automatic follow powersave */ 2880 sdata_lock(sdata); 2881 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); 2882 sdata_unlock(sdata); 2883 2884 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 2885 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2886 2887 ieee80211_recalc_ps(local); 2888 ieee80211_recalc_ps_vif(sdata); 2889 ieee80211_check_fast_rx_iface(sdata); 2890 2891 return 0; 2892 } 2893 2894 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2895 struct net_device *dev, 2896 s32 rssi_thold, u32 rssi_hyst) 2897 { 2898 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2899 struct ieee80211_vif *vif = &sdata->vif; 2900 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2901 2902 if (rssi_thold == bss_conf->cqm_rssi_thold && 2903 rssi_hyst == bss_conf->cqm_rssi_hyst) 2904 return 0; 2905 2906 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 2907 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 2908 return -EOPNOTSUPP; 2909 2910 bss_conf->cqm_rssi_thold = rssi_thold; 2911 bss_conf->cqm_rssi_hyst = rssi_hyst; 2912 bss_conf->cqm_rssi_low = 0; 2913 bss_conf->cqm_rssi_high = 0; 2914 sdata->u.mgd.last_cqm_event_signal = 0; 2915 2916 /* tell the driver upon association, unless already associated */ 2917 if (sdata->u.mgd.associated && 2918 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2919 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2920 2921 return 0; 2922 } 2923 2924 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 2925 struct net_device *dev, 2926 s32 rssi_low, s32 rssi_high) 2927 { 2928 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2929 struct ieee80211_vif *vif = &sdata->vif; 2930 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2931 2932 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) 2933 return -EOPNOTSUPP; 2934 2935 bss_conf->cqm_rssi_low = rssi_low; 2936 bss_conf->cqm_rssi_high = rssi_high; 2937 bss_conf->cqm_rssi_thold = 0; 2938 bss_conf->cqm_rssi_hyst = 0; 2939 sdata->u.mgd.last_cqm_event_signal = 0; 2940 2941 /* tell the driver upon association, unless already associated */ 2942 if (sdata->u.mgd.associated && 2943 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2944 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2945 2946 return 0; 2947 } 2948 2949 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2950 struct net_device *dev, 2951 const u8 *addr, 2952 const struct cfg80211_bitrate_mask *mask) 2953 { 2954 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2955 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2956 int i, ret; 2957 2958 if (!ieee80211_sdata_running(sdata)) 2959 return -ENETDOWN; 2960 2961 /* 2962 * If active validate the setting and reject it if it doesn't leave 2963 * at least one basic rate usable, since we really have to be able 2964 * to send something, and if we're an AP we have to be able to do 2965 * so at a basic rate so that all clients can receive it. 2966 */ 2967 if (rcu_access_pointer(sdata->vif.chanctx_conf) && 2968 sdata->vif.bss_conf.chandef.chan) { 2969 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 2970 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; 2971 2972 if (!(mask->control[band].legacy & basic_rates)) 2973 return -EINVAL; 2974 } 2975 2976 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 2977 ret = drv_set_bitrate_mask(local, sdata, mask); 2978 if (ret) 2979 return ret; 2980 } 2981 2982 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2983 struct ieee80211_supported_band *sband = wiphy->bands[i]; 2984 int j; 2985 2986 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2987 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 2988 sizeof(mask->control[i].ht_mcs)); 2989 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 2990 mask->control[i].vht_mcs, 2991 sizeof(mask->control[i].vht_mcs)); 2992 2993 sdata->rc_has_mcs_mask[i] = false; 2994 sdata->rc_has_vht_mcs_mask[i] = false; 2995 if (!sband) 2996 continue; 2997 2998 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 2999 if (sdata->rc_rateidx_mcs_mask[i][j] != 0xff) { 3000 sdata->rc_has_mcs_mask[i] = true; 3001 break; 3002 } 3003 } 3004 3005 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 3006 if (sdata->rc_rateidx_vht_mcs_mask[i][j] != 0xffff) { 3007 sdata->rc_has_vht_mcs_mask[i] = true; 3008 break; 3009 } 3010 } 3011 } 3012 3013 return 0; 3014 } 3015 3016 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 3017 struct net_device *dev, 3018 struct cfg80211_chan_def *chandef, 3019 u32 cac_time_ms) 3020 { 3021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3022 struct ieee80211_local *local = sdata->local; 3023 int err; 3024 3025 mutex_lock(&local->mtx); 3026 if (!list_empty(&local->roc_list) || local->scanning) { 3027 err = -EBUSY; 3028 goto out_unlock; 3029 } 3030 3031 /* whatever, but channel contexts should not complain about that one */ 3032 sdata->smps_mode = IEEE80211_SMPS_OFF; 3033 sdata->needed_rx_chains = local->rx_chains; 3034 3035 err = ieee80211_vif_use_channel(sdata, chandef, 3036 IEEE80211_CHANCTX_SHARED); 3037 if (err) 3038 goto out_unlock; 3039 3040 ieee80211_queue_delayed_work(&sdata->local->hw, 3041 &sdata->dfs_cac_timer_work, 3042 msecs_to_jiffies(cac_time_ms)); 3043 3044 out_unlock: 3045 mutex_unlock(&local->mtx); 3046 return err; 3047 } 3048 3049 static void ieee80211_end_cac(struct wiphy *wiphy, 3050 struct net_device *dev) 3051 { 3052 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3053 struct ieee80211_local *local = sdata->local; 3054 3055 mutex_lock(&local->mtx); 3056 list_for_each_entry(sdata, &local->interfaces, list) { 3057 /* it might be waiting for the local->mtx, but then 3058 * by the time it gets it, sdata->wdev.cac_started 3059 * will no longer be true 3060 */ 3061 cancel_delayed_work(&sdata->dfs_cac_timer_work); 3062 3063 if (sdata->wdev.cac_started) { 3064 ieee80211_vif_release_channel(sdata); 3065 sdata->wdev.cac_started = false; 3066 } 3067 } 3068 mutex_unlock(&local->mtx); 3069 } 3070 3071 static struct cfg80211_beacon_data * 3072 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3073 { 3074 struct cfg80211_beacon_data *new_beacon; 3075 u8 *pos; 3076 int len; 3077 3078 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3079 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3080 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 3081 3082 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3083 if (!new_beacon) 3084 return NULL; 3085 3086 pos = (u8 *)(new_beacon + 1); 3087 if (beacon->head_len) { 3088 new_beacon->head_len = beacon->head_len; 3089 new_beacon->head = pos; 3090 memcpy(pos, beacon->head, beacon->head_len); 3091 pos += beacon->head_len; 3092 } 3093 if (beacon->tail_len) { 3094 new_beacon->tail_len = beacon->tail_len; 3095 new_beacon->tail = pos; 3096 memcpy(pos, beacon->tail, beacon->tail_len); 3097 pos += beacon->tail_len; 3098 } 3099 if (beacon->beacon_ies_len) { 3100 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3101 new_beacon->beacon_ies = pos; 3102 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3103 pos += beacon->beacon_ies_len; 3104 } 3105 if (beacon->proberesp_ies_len) { 3106 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3107 new_beacon->proberesp_ies = pos; 3108 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3109 pos += beacon->proberesp_ies_len; 3110 } 3111 if (beacon->assocresp_ies_len) { 3112 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3113 new_beacon->assocresp_ies = pos; 3114 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3115 pos += beacon->assocresp_ies_len; 3116 } 3117 if (beacon->probe_resp_len) { 3118 new_beacon->probe_resp_len = beacon->probe_resp_len; 3119 new_beacon->probe_resp = pos; 3120 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3121 pos += beacon->probe_resp_len; 3122 } 3123 3124 /* might copy -1, meaning no changes requested */ 3125 new_beacon->ftm_responder = beacon->ftm_responder; 3126 if (beacon->lci) { 3127 new_beacon->lci_len = beacon->lci_len; 3128 new_beacon->lci = pos; 3129 memcpy(pos, beacon->lci, beacon->lci_len); 3130 pos += beacon->lci_len; 3131 } 3132 if (beacon->civicloc) { 3133 new_beacon->civicloc_len = beacon->civicloc_len; 3134 new_beacon->civicloc = pos; 3135 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3136 pos += beacon->civicloc_len; 3137 } 3138 3139 return new_beacon; 3140 } 3141 3142 void ieee80211_csa_finish(struct ieee80211_vif *vif) 3143 { 3144 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3145 3146 ieee80211_queue_work(&sdata->local->hw, 3147 &sdata->csa_finalize_work); 3148 } 3149 EXPORT_SYMBOL(ieee80211_csa_finish); 3150 3151 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 3152 u32 *changed) 3153 { 3154 int err; 3155 3156 switch (sdata->vif.type) { 3157 case NL80211_IFTYPE_AP: 3158 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, 3159 NULL); 3160 kfree(sdata->u.ap.next_beacon); 3161 sdata->u.ap.next_beacon = NULL; 3162 3163 if (err < 0) 3164 return err; 3165 *changed |= err; 3166 break; 3167 case NL80211_IFTYPE_ADHOC: 3168 err = ieee80211_ibss_finish_csa(sdata); 3169 if (err < 0) 3170 return err; 3171 *changed |= err; 3172 break; 3173 #ifdef CONFIG_MAC80211_MESH 3174 case NL80211_IFTYPE_MESH_POINT: 3175 err = ieee80211_mesh_finish_csa(sdata); 3176 if (err < 0) 3177 return err; 3178 *changed |= err; 3179 break; 3180 #endif 3181 default: 3182 WARN_ON(1); 3183 return -EINVAL; 3184 } 3185 3186 return 0; 3187 } 3188 3189 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3190 { 3191 struct ieee80211_local *local = sdata->local; 3192 u32 changed = 0; 3193 int err; 3194 3195 sdata_assert_lock(sdata); 3196 lockdep_assert_held(&local->mtx); 3197 lockdep_assert_held(&local->chanctx_mtx); 3198 3199 /* 3200 * using reservation isn't immediate as it may be deferred until later 3201 * with multi-vif. once reservation is complete it will re-schedule the 3202 * work with no reserved_chanctx so verify chandef to check if it 3203 * completed successfully 3204 */ 3205 3206 if (sdata->reserved_chanctx) { 3207 /* 3208 * with multi-vif csa driver may call ieee80211_csa_finish() 3209 * many times while waiting for other interfaces to use their 3210 * reservations 3211 */ 3212 if (sdata->reserved_ready) 3213 return 0; 3214 3215 return ieee80211_vif_use_reserved_context(sdata); 3216 } 3217 3218 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 3219 &sdata->csa_chandef)) 3220 return -EINVAL; 3221 3222 sdata->vif.csa_active = false; 3223 3224 err = ieee80211_set_after_csa_beacon(sdata, &changed); 3225 if (err) 3226 return err; 3227 3228 ieee80211_bss_info_change_notify(sdata, changed); 3229 3230 if (sdata->csa_block_tx) { 3231 ieee80211_wake_vif_queues(local, sdata, 3232 IEEE80211_QUEUE_STOP_REASON_CSA); 3233 sdata->csa_block_tx = false; 3234 } 3235 3236 err = drv_post_channel_switch(sdata); 3237 if (err) 3238 return err; 3239 3240 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); 3241 3242 return 0; 3243 } 3244 3245 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3246 { 3247 if (__ieee80211_csa_finalize(sdata)) { 3248 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 3249 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 3250 GFP_KERNEL); 3251 } 3252 } 3253 3254 void ieee80211_csa_finalize_work(struct work_struct *work) 3255 { 3256 struct ieee80211_sub_if_data *sdata = 3257 container_of(work, struct ieee80211_sub_if_data, 3258 csa_finalize_work); 3259 struct ieee80211_local *local = sdata->local; 3260 3261 sdata_lock(sdata); 3262 mutex_lock(&local->mtx); 3263 mutex_lock(&local->chanctx_mtx); 3264 3265 /* AP might have been stopped while waiting for the lock. */ 3266 if (!sdata->vif.csa_active) 3267 goto unlock; 3268 3269 if (!ieee80211_sdata_running(sdata)) 3270 goto unlock; 3271 3272 ieee80211_csa_finalize(sdata); 3273 3274 unlock: 3275 mutex_unlock(&local->chanctx_mtx); 3276 mutex_unlock(&local->mtx); 3277 sdata_unlock(sdata); 3278 } 3279 3280 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 3281 struct cfg80211_csa_settings *params, 3282 u32 *changed) 3283 { 3284 struct ieee80211_csa_settings csa = {}; 3285 int err; 3286 3287 switch (sdata->vif.type) { 3288 case NL80211_IFTYPE_AP: 3289 sdata->u.ap.next_beacon = 3290 cfg80211_beacon_dup(¶ms->beacon_after); 3291 if (!sdata->u.ap.next_beacon) 3292 return -ENOMEM; 3293 3294 /* 3295 * With a count of 0, we don't have to wait for any 3296 * TBTT before switching, so complete the CSA 3297 * immediately. In theory, with a count == 1 we 3298 * should delay the switch until just before the next 3299 * TBTT, but that would complicate things so we switch 3300 * immediately too. If we would delay the switch 3301 * until the next TBTT, we would have to set the probe 3302 * response here. 3303 * 3304 * TODO: A channel switch with count <= 1 without 3305 * sending a CSA action frame is kind of useless, 3306 * because the clients won't know we're changing 3307 * channels. The action frame must be implemented 3308 * either here or in the userspace. 3309 */ 3310 if (params->count <= 1) 3311 break; 3312 3313 if ((params->n_counter_offsets_beacon > 3314 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 3315 (params->n_counter_offsets_presp > 3316 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) 3317 return -EINVAL; 3318 3319 csa.counter_offsets_beacon = params->counter_offsets_beacon; 3320 csa.counter_offsets_presp = params->counter_offsets_presp; 3321 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 3322 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 3323 csa.count = params->count; 3324 3325 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); 3326 if (err < 0) { 3327 kfree(sdata->u.ap.next_beacon); 3328 return err; 3329 } 3330 *changed |= err; 3331 3332 break; 3333 case NL80211_IFTYPE_ADHOC: 3334 if (!sdata->vif.bss_conf.ibss_joined) 3335 return -EINVAL; 3336 3337 if (params->chandef.width != sdata->u.ibss.chandef.width) 3338 return -EINVAL; 3339 3340 switch (params->chandef.width) { 3341 case NL80211_CHAN_WIDTH_40: 3342 if (cfg80211_get_chandef_type(¶ms->chandef) != 3343 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3344 return -EINVAL; 3345 break; 3346 case NL80211_CHAN_WIDTH_5: 3347 case NL80211_CHAN_WIDTH_10: 3348 case NL80211_CHAN_WIDTH_20_NOHT: 3349 case NL80211_CHAN_WIDTH_20: 3350 break; 3351 default: 3352 return -EINVAL; 3353 } 3354 3355 /* changes into another band are not supported */ 3356 if (sdata->u.ibss.chandef.chan->band != 3357 params->chandef.chan->band) 3358 return -EINVAL; 3359 3360 /* see comments in the NL80211_IFTYPE_AP block */ 3361 if (params->count > 1) { 3362 err = ieee80211_ibss_csa_beacon(sdata, params); 3363 if (err < 0) 3364 return err; 3365 *changed |= err; 3366 } 3367 3368 ieee80211_send_action_csa(sdata, params); 3369 3370 break; 3371 #ifdef CONFIG_MAC80211_MESH 3372 case NL80211_IFTYPE_MESH_POINT: { 3373 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3374 3375 if (params->chandef.width != sdata->vif.bss_conf.chandef.width) 3376 return -EINVAL; 3377 3378 /* changes into another band are not supported */ 3379 if (sdata->vif.bss_conf.chandef.chan->band != 3380 params->chandef.chan->band) 3381 return -EINVAL; 3382 3383 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3384 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3385 if (!ifmsh->pre_value) 3386 ifmsh->pre_value = 1; 3387 else 3388 ifmsh->pre_value++; 3389 } 3390 3391 /* see comments in the NL80211_IFTYPE_AP block */ 3392 if (params->count > 1) { 3393 err = ieee80211_mesh_csa_beacon(sdata, params); 3394 if (err < 0) { 3395 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3396 return err; 3397 } 3398 *changed |= err; 3399 } 3400 3401 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3402 ieee80211_send_action_csa(sdata, params); 3403 3404 break; 3405 } 3406 #endif 3407 default: 3408 return -EOPNOTSUPP; 3409 } 3410 3411 return 0; 3412 } 3413 3414 static int 3415 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3416 struct cfg80211_csa_settings *params) 3417 { 3418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3419 struct ieee80211_local *local = sdata->local; 3420 struct ieee80211_channel_switch ch_switch; 3421 struct ieee80211_chanctx_conf *conf; 3422 struct ieee80211_chanctx *chanctx; 3423 u32 changed = 0; 3424 int err; 3425 3426 sdata_assert_lock(sdata); 3427 lockdep_assert_held(&local->mtx); 3428 3429 if (!list_empty(&local->roc_list) || local->scanning) 3430 return -EBUSY; 3431 3432 if (sdata->wdev.cac_started) 3433 return -EBUSY; 3434 3435 if (cfg80211_chandef_identical(¶ms->chandef, 3436 &sdata->vif.bss_conf.chandef)) 3437 return -EINVAL; 3438 3439 /* don't allow another channel switch if one is already active. */ 3440 if (sdata->vif.csa_active) 3441 return -EBUSY; 3442 3443 mutex_lock(&local->chanctx_mtx); 3444 conf = rcu_dereference_protected(sdata->vif.chanctx_conf, 3445 lockdep_is_held(&local->chanctx_mtx)); 3446 if (!conf) { 3447 err = -EBUSY; 3448 goto out; 3449 } 3450 3451 if (params->chandef.chan->freq_offset) { 3452 /* this may work, but is untested */ 3453 err = -EOPNOTSUPP; 3454 goto out; 3455 } 3456 3457 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3458 3459 ch_switch.timestamp = 0; 3460 ch_switch.device_timestamp = 0; 3461 ch_switch.block_tx = params->block_tx; 3462 ch_switch.chandef = params->chandef; 3463 ch_switch.count = params->count; 3464 3465 err = drv_pre_channel_switch(sdata, &ch_switch); 3466 if (err) 3467 goto out; 3468 3469 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, 3470 chanctx->mode, 3471 params->radar_required); 3472 if (err) 3473 goto out; 3474 3475 /* if reservation is invalid then this will fail */ 3476 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3477 if (err) { 3478 ieee80211_vif_unreserve_chanctx(sdata); 3479 goto out; 3480 } 3481 3482 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3483 if (err) { 3484 ieee80211_vif_unreserve_chanctx(sdata); 3485 goto out; 3486 } 3487 3488 sdata->csa_chandef = params->chandef; 3489 sdata->csa_block_tx = params->block_tx; 3490 sdata->vif.csa_active = true; 3491 3492 if (sdata->csa_block_tx) 3493 ieee80211_stop_vif_queues(local, sdata, 3494 IEEE80211_QUEUE_STOP_REASON_CSA); 3495 3496 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, 3497 params->count, params->block_tx); 3498 3499 if (changed) { 3500 ieee80211_bss_info_change_notify(sdata, changed); 3501 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3502 } else { 3503 /* if the beacon didn't change, we can finalize immediately */ 3504 ieee80211_csa_finalize(sdata); 3505 } 3506 3507 out: 3508 mutex_unlock(&local->chanctx_mtx); 3509 return err; 3510 } 3511 3512 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3513 struct cfg80211_csa_settings *params) 3514 { 3515 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3516 struct ieee80211_local *local = sdata->local; 3517 int err; 3518 3519 mutex_lock(&local->mtx); 3520 err = __ieee80211_channel_switch(wiphy, dev, params); 3521 mutex_unlock(&local->mtx); 3522 3523 return err; 3524 } 3525 3526 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3527 { 3528 lockdep_assert_held(&local->mtx); 3529 3530 local->roc_cookie_counter++; 3531 3532 /* wow, you wrapped 64 bits ... more likely a bug */ 3533 if (WARN_ON(local->roc_cookie_counter == 0)) 3534 local->roc_cookie_counter++; 3535 3536 return local->roc_cookie_counter; 3537 } 3538 3539 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3540 u64 *cookie, gfp_t gfp) 3541 { 3542 unsigned long spin_flags; 3543 struct sk_buff *ack_skb; 3544 int id; 3545 3546 ack_skb = skb_copy(skb, gfp); 3547 if (!ack_skb) 3548 return -ENOMEM; 3549 3550 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3551 id = idr_alloc(&local->ack_status_frames, ack_skb, 3552 1, 0x2000, GFP_ATOMIC); 3553 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3554 3555 if (id < 0) { 3556 kfree_skb(ack_skb); 3557 return -ENOMEM; 3558 } 3559 3560 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3561 3562 *cookie = ieee80211_mgmt_tx_cookie(local); 3563 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3564 3565 return 0; 3566 } 3567 3568 static void 3569 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 3570 struct wireless_dev *wdev, 3571 struct mgmt_frame_regs *upd) 3572 { 3573 struct ieee80211_local *local = wiphy_priv(wiphy); 3574 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3575 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 3576 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 3577 bool global_change, intf_change; 3578 3579 global_change = 3580 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 3581 (local->rx_mcast_action_reg != 3582 !!(upd->global_mcast_stypes & action_mask)); 3583 local->probe_req_reg = upd->global_stypes & preq_mask; 3584 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 3585 3586 intf_change = (sdata->vif.probe_req_reg != 3587 !!(upd->interface_stypes & preq_mask)) || 3588 (sdata->vif.rx_mcast_action_reg != 3589 !!(upd->interface_mcast_stypes & action_mask)); 3590 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 3591 sdata->vif.rx_mcast_action_reg = 3592 upd->interface_mcast_stypes & action_mask; 3593 3594 if (!local->open_count) 3595 return; 3596 3597 if (intf_change && ieee80211_sdata_running(sdata)) 3598 drv_config_iface_filter(local, sdata, 3599 sdata->vif.probe_req_reg ? 3600 FIF_PROBE_REQ : 0, 3601 FIF_PROBE_REQ); 3602 3603 if (global_change) 3604 ieee80211_configure_filter(local); 3605 } 3606 3607 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3608 { 3609 struct ieee80211_local *local = wiphy_priv(wiphy); 3610 3611 if (local->started) 3612 return -EOPNOTSUPP; 3613 3614 return drv_set_antenna(local, tx_ant, rx_ant); 3615 } 3616 3617 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3618 { 3619 struct ieee80211_local *local = wiphy_priv(wiphy); 3620 3621 return drv_get_antenna(local, tx_ant, rx_ant); 3622 } 3623 3624 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3625 struct net_device *dev, 3626 struct cfg80211_gtk_rekey_data *data) 3627 { 3628 struct ieee80211_local *local = wiphy_priv(wiphy); 3629 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3630 3631 if (!local->ops->set_rekey_data) 3632 return -EOPNOTSUPP; 3633 3634 drv_set_rekey_data(local, sdata, data); 3635 3636 return 0; 3637 } 3638 3639 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3640 const u8 *peer, u64 *cookie) 3641 { 3642 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3643 struct ieee80211_local *local = sdata->local; 3644 struct ieee80211_qos_hdr *nullfunc; 3645 struct sk_buff *skb; 3646 int size = sizeof(*nullfunc); 3647 __le16 fc; 3648 bool qos; 3649 struct ieee80211_tx_info *info; 3650 struct sta_info *sta; 3651 struct ieee80211_chanctx_conf *chanctx_conf; 3652 enum nl80211_band band; 3653 int ret; 3654 3655 /* the lock is needed to assign the cookie later */ 3656 mutex_lock(&local->mtx); 3657 3658 rcu_read_lock(); 3659 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3660 if (WARN_ON(!chanctx_conf)) { 3661 ret = -EINVAL; 3662 goto unlock; 3663 } 3664 band = chanctx_conf->def.chan->band; 3665 sta = sta_info_get_bss(sdata, peer); 3666 if (sta) { 3667 qos = sta->sta.wme; 3668 } else { 3669 ret = -ENOLINK; 3670 goto unlock; 3671 } 3672 3673 if (qos) { 3674 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3675 IEEE80211_STYPE_QOS_NULLFUNC | 3676 IEEE80211_FCTL_FROMDS); 3677 } else { 3678 size -= 2; 3679 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3680 IEEE80211_STYPE_NULLFUNC | 3681 IEEE80211_FCTL_FROMDS); 3682 } 3683 3684 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3685 if (!skb) { 3686 ret = -ENOMEM; 3687 goto unlock; 3688 } 3689 3690 skb->dev = dev; 3691 3692 skb_reserve(skb, local->hw.extra_tx_headroom); 3693 3694 nullfunc = skb_put(skb, size); 3695 nullfunc->frame_control = fc; 3696 nullfunc->duration_id = 0; 3697 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3698 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3699 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3700 nullfunc->seq_ctrl = 0; 3701 3702 info = IEEE80211_SKB_CB(skb); 3703 3704 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3705 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3706 info->band = band; 3707 3708 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3709 skb->priority = 7; 3710 if (qos) 3711 nullfunc->qos_ctrl = cpu_to_le16(7); 3712 3713 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 3714 if (ret) { 3715 kfree_skb(skb); 3716 goto unlock; 3717 } 3718 3719 local_bh_disable(); 3720 ieee80211_xmit(sdata, sta, skb); 3721 local_bh_enable(); 3722 3723 ret = 0; 3724 unlock: 3725 rcu_read_unlock(); 3726 mutex_unlock(&local->mtx); 3727 3728 return ret; 3729 } 3730 3731 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 3732 struct wireless_dev *wdev, 3733 struct cfg80211_chan_def *chandef) 3734 { 3735 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3736 struct ieee80211_local *local = wiphy_priv(wiphy); 3737 struct ieee80211_chanctx_conf *chanctx_conf; 3738 int ret = -ENODATA; 3739 3740 rcu_read_lock(); 3741 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3742 if (chanctx_conf) { 3743 *chandef = sdata->vif.bss_conf.chandef; 3744 ret = 0; 3745 } else if (local->open_count > 0 && 3746 local->open_count == local->monitors && 3747 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 3748 if (local->use_chanctx) 3749 *chandef = local->monitor_chandef; 3750 else 3751 *chandef = local->_oper_chandef; 3752 ret = 0; 3753 } 3754 rcu_read_unlock(); 3755 3756 return ret; 3757 } 3758 3759 #ifdef CONFIG_PM 3760 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3761 { 3762 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3763 } 3764 #endif 3765 3766 static int ieee80211_set_qos_map(struct wiphy *wiphy, 3767 struct net_device *dev, 3768 struct cfg80211_qos_map *qos_map) 3769 { 3770 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3771 struct mac80211_qos_map *new_qos_map, *old_qos_map; 3772 3773 if (qos_map) { 3774 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 3775 if (!new_qos_map) 3776 return -ENOMEM; 3777 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 3778 } else { 3779 /* A NULL qos_map was passed to disable QoS mapping */ 3780 new_qos_map = NULL; 3781 } 3782 3783 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 3784 rcu_assign_pointer(sdata->qos_map, new_qos_map); 3785 if (old_qos_map) 3786 kfree_rcu(old_qos_map, rcu_head); 3787 3788 return 0; 3789 } 3790 3791 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 3792 struct net_device *dev, 3793 struct cfg80211_chan_def *chandef) 3794 { 3795 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3796 int ret; 3797 u32 changed = 0; 3798 3799 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); 3800 if (ret == 0) 3801 ieee80211_bss_info_change_notify(sdata, changed); 3802 3803 return ret; 3804 } 3805 3806 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3807 u8 tsid, const u8 *peer, u8 up, 3808 u16 admitted_time) 3809 { 3810 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3811 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3812 int ac = ieee802_1d_to_ac[up]; 3813 3814 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3815 return -EOPNOTSUPP; 3816 3817 if (!(sdata->wmm_acm & BIT(up))) 3818 return -EINVAL; 3819 3820 if (ifmgd->tx_tspec[ac].admitted_time) 3821 return -EBUSY; 3822 3823 if (admitted_time) { 3824 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 3825 ifmgd->tx_tspec[ac].tsid = tsid; 3826 ifmgd->tx_tspec[ac].up = up; 3827 } 3828 3829 return 0; 3830 } 3831 3832 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3833 u8 tsid, const u8 *peer) 3834 { 3835 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3836 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3837 struct ieee80211_local *local = wiphy_priv(wiphy); 3838 int ac; 3839 3840 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 3841 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 3842 3843 /* skip unused entries */ 3844 if (!tx_tspec->admitted_time) 3845 continue; 3846 3847 if (tx_tspec->tsid != tsid) 3848 continue; 3849 3850 /* due to this new packets will be reassigned to non-ACM ACs */ 3851 tx_tspec->up = -1; 3852 3853 /* Make sure that all packets have been sent to avoid to 3854 * restore the QoS params on packets that are still on the 3855 * queues. 3856 */ 3857 synchronize_net(); 3858 ieee80211_flush_queues(local, sdata, false); 3859 3860 /* restore the normal QoS parameters 3861 * (unconditionally to avoid races) 3862 */ 3863 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 3864 tx_tspec->downgraded = false; 3865 ieee80211_sta_handle_tspec_ac_params(sdata); 3866 3867 /* finally clear all the data */ 3868 memset(tx_tspec, 0, sizeof(*tx_tspec)); 3869 3870 return 0; 3871 } 3872 3873 return -ENOENT; 3874 } 3875 3876 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 3877 u8 inst_id, 3878 enum nl80211_nan_func_term_reason reason, 3879 gfp_t gfp) 3880 { 3881 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3882 struct cfg80211_nan_func *func; 3883 u64 cookie; 3884 3885 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3886 return; 3887 3888 spin_lock_bh(&sdata->u.nan.func_lock); 3889 3890 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 3891 if (WARN_ON(!func)) { 3892 spin_unlock_bh(&sdata->u.nan.func_lock); 3893 return; 3894 } 3895 3896 cookie = func->cookie; 3897 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 3898 3899 spin_unlock_bh(&sdata->u.nan.func_lock); 3900 3901 cfg80211_free_nan_func(func); 3902 3903 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 3904 reason, cookie, gfp); 3905 } 3906 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 3907 3908 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 3909 struct cfg80211_nan_match_params *match, 3910 gfp_t gfp) 3911 { 3912 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3913 struct cfg80211_nan_func *func; 3914 3915 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3916 return; 3917 3918 spin_lock_bh(&sdata->u.nan.func_lock); 3919 3920 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 3921 if (WARN_ON(!func)) { 3922 spin_unlock_bh(&sdata->u.nan.func_lock); 3923 return; 3924 } 3925 match->cookie = func->cookie; 3926 3927 spin_unlock_bh(&sdata->u.nan.func_lock); 3928 3929 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 3930 } 3931 EXPORT_SYMBOL(ieee80211_nan_func_match); 3932 3933 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 3934 struct net_device *dev, 3935 const bool enabled) 3936 { 3937 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3938 3939 sdata->u.ap.multicast_to_unicast = enabled; 3940 3941 return 0; 3942 } 3943 3944 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 3945 struct txq_info *txqi) 3946 { 3947 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 3948 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 3949 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 3950 } 3951 3952 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 3953 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 3954 txqstats->backlog_packets = txqi->tin.backlog_packets; 3955 } 3956 3957 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 3958 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 3959 txqstats->flows = txqi->tin.flows; 3960 } 3961 3962 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 3963 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 3964 txqstats->drops = txqi->cstats.drop_count; 3965 } 3966 3967 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 3968 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 3969 txqstats->ecn_marks = txqi->cstats.ecn_mark; 3970 } 3971 3972 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 3973 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 3974 txqstats->overlimit = txqi->tin.overlimit; 3975 } 3976 3977 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 3978 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 3979 txqstats->collisions = txqi->tin.collisions; 3980 } 3981 3982 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 3983 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 3984 txqstats->tx_bytes = txqi->tin.tx_bytes; 3985 } 3986 3987 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 3988 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 3989 txqstats->tx_packets = txqi->tin.tx_packets; 3990 } 3991 } 3992 3993 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 3994 struct wireless_dev *wdev, 3995 struct cfg80211_txq_stats *txqstats) 3996 { 3997 struct ieee80211_local *local = wiphy_priv(wiphy); 3998 struct ieee80211_sub_if_data *sdata; 3999 int ret = 0; 4000 4001 if (!local->ops->wake_tx_queue) 4002 return 1; 4003 4004 spin_lock_bh(&local->fq.lock); 4005 rcu_read_lock(); 4006 4007 if (wdev) { 4008 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 4009 if (!sdata->vif.txq) { 4010 ret = 1; 4011 goto out; 4012 } 4013 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 4014 } else { 4015 /* phy stats */ 4016 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 4017 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 4018 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 4019 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 4020 BIT(NL80211_TXQ_STATS_COLLISIONS) | 4021 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 4022 txqstats->backlog_packets = local->fq.backlog; 4023 txqstats->backlog_bytes = local->fq.memory_usage; 4024 txqstats->overlimit = local->fq.overlimit; 4025 txqstats->overmemory = local->fq.overmemory; 4026 txqstats->collisions = local->fq.collisions; 4027 txqstats->max_flows = local->fq.flows_cnt; 4028 } 4029 4030 out: 4031 rcu_read_unlock(); 4032 spin_unlock_bh(&local->fq.lock); 4033 4034 return ret; 4035 } 4036 4037 static int 4038 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4039 struct net_device *dev, 4040 struct cfg80211_ftm_responder_stats *ftm_stats) 4041 { 4042 struct ieee80211_local *local = wiphy_priv(wiphy); 4043 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4044 4045 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4046 } 4047 4048 static int 4049 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4050 struct cfg80211_pmsr_request *request) 4051 { 4052 struct ieee80211_local *local = wiphy_priv(wiphy); 4053 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4054 4055 return drv_start_pmsr(local, sdata, request); 4056 } 4057 4058 static void 4059 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4060 struct cfg80211_pmsr_request *request) 4061 { 4062 struct ieee80211_local *local = wiphy_priv(wiphy); 4063 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4064 4065 return drv_abort_pmsr(local, sdata, request); 4066 } 4067 4068 static int ieee80211_set_tid_config(struct wiphy *wiphy, 4069 struct net_device *dev, 4070 struct cfg80211_tid_config *tid_conf) 4071 { 4072 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4073 struct sta_info *sta; 4074 int ret; 4075 4076 if (!sdata->local->ops->set_tid_config) 4077 return -EOPNOTSUPP; 4078 4079 if (!tid_conf->peer) 4080 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 4081 4082 mutex_lock(&sdata->local->sta_mtx); 4083 sta = sta_info_get_bss(sdata, tid_conf->peer); 4084 if (!sta) { 4085 mutex_unlock(&sdata->local->sta_mtx); 4086 return -ENOENT; 4087 } 4088 4089 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 4090 mutex_unlock(&sdata->local->sta_mtx); 4091 4092 return ret; 4093 } 4094 4095 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 4096 struct net_device *dev, 4097 const u8 *peer, u8 tids) 4098 { 4099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4100 struct sta_info *sta; 4101 int ret; 4102 4103 if (!sdata->local->ops->reset_tid_config) 4104 return -EOPNOTSUPP; 4105 4106 if (!peer) 4107 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 4108 4109 mutex_lock(&sdata->local->sta_mtx); 4110 sta = sta_info_get_bss(sdata, peer); 4111 if (!sta) { 4112 mutex_unlock(&sdata->local->sta_mtx); 4113 return -ENOENT; 4114 } 4115 4116 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 4117 mutex_unlock(&sdata->local->sta_mtx); 4118 4119 return ret; 4120 } 4121 4122 static int ieee80211_set_sar_specs(struct wiphy *wiphy, 4123 struct cfg80211_sar_specs *sar) 4124 { 4125 struct ieee80211_local *local = wiphy_priv(wiphy); 4126 4127 if (!local->ops->set_sar_specs) 4128 return -EOPNOTSUPP; 4129 4130 return local->ops->set_sar_specs(&local->hw, sar); 4131 } 4132 4133 const struct cfg80211_ops mac80211_config_ops = { 4134 .add_virtual_intf = ieee80211_add_iface, 4135 .del_virtual_intf = ieee80211_del_iface, 4136 .change_virtual_intf = ieee80211_change_iface, 4137 .start_p2p_device = ieee80211_start_p2p_device, 4138 .stop_p2p_device = ieee80211_stop_p2p_device, 4139 .add_key = ieee80211_add_key, 4140 .del_key = ieee80211_del_key, 4141 .get_key = ieee80211_get_key, 4142 .set_default_key = ieee80211_config_default_key, 4143 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 4144 .set_default_beacon_key = ieee80211_config_default_beacon_key, 4145 .start_ap = ieee80211_start_ap, 4146 .change_beacon = ieee80211_change_beacon, 4147 .stop_ap = ieee80211_stop_ap, 4148 .add_station = ieee80211_add_station, 4149 .del_station = ieee80211_del_station, 4150 .change_station = ieee80211_change_station, 4151 .get_station = ieee80211_get_station, 4152 .dump_station = ieee80211_dump_station, 4153 .dump_survey = ieee80211_dump_survey, 4154 #ifdef CONFIG_MAC80211_MESH 4155 .add_mpath = ieee80211_add_mpath, 4156 .del_mpath = ieee80211_del_mpath, 4157 .change_mpath = ieee80211_change_mpath, 4158 .get_mpath = ieee80211_get_mpath, 4159 .dump_mpath = ieee80211_dump_mpath, 4160 .get_mpp = ieee80211_get_mpp, 4161 .dump_mpp = ieee80211_dump_mpp, 4162 .update_mesh_config = ieee80211_update_mesh_config, 4163 .get_mesh_config = ieee80211_get_mesh_config, 4164 .join_mesh = ieee80211_join_mesh, 4165 .leave_mesh = ieee80211_leave_mesh, 4166 #endif 4167 .join_ocb = ieee80211_join_ocb, 4168 .leave_ocb = ieee80211_leave_ocb, 4169 .change_bss = ieee80211_change_bss, 4170 .set_txq_params = ieee80211_set_txq_params, 4171 .set_monitor_channel = ieee80211_set_monitor_channel, 4172 .suspend = ieee80211_suspend, 4173 .resume = ieee80211_resume, 4174 .scan = ieee80211_scan, 4175 .abort_scan = ieee80211_abort_scan, 4176 .sched_scan_start = ieee80211_sched_scan_start, 4177 .sched_scan_stop = ieee80211_sched_scan_stop, 4178 .auth = ieee80211_auth, 4179 .assoc = ieee80211_assoc, 4180 .deauth = ieee80211_deauth, 4181 .disassoc = ieee80211_disassoc, 4182 .join_ibss = ieee80211_join_ibss, 4183 .leave_ibss = ieee80211_leave_ibss, 4184 .set_mcast_rate = ieee80211_set_mcast_rate, 4185 .set_wiphy_params = ieee80211_set_wiphy_params, 4186 .set_tx_power = ieee80211_set_tx_power, 4187 .get_tx_power = ieee80211_get_tx_power, 4188 .rfkill_poll = ieee80211_rfkill_poll, 4189 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 4190 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 4191 .set_power_mgmt = ieee80211_set_power_mgmt, 4192 .set_bitrate_mask = ieee80211_set_bitrate_mask, 4193 .remain_on_channel = ieee80211_remain_on_channel, 4194 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 4195 .mgmt_tx = ieee80211_mgmt_tx, 4196 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 4197 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 4198 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 4199 .update_mgmt_frame_registrations = 4200 ieee80211_update_mgmt_frame_registrations, 4201 .set_antenna = ieee80211_set_antenna, 4202 .get_antenna = ieee80211_get_antenna, 4203 .set_rekey_data = ieee80211_set_rekey_data, 4204 .tdls_oper = ieee80211_tdls_oper, 4205 .tdls_mgmt = ieee80211_tdls_mgmt, 4206 .tdls_channel_switch = ieee80211_tdls_channel_switch, 4207 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 4208 .probe_client = ieee80211_probe_client, 4209 .set_noack_map = ieee80211_set_noack_map, 4210 #ifdef CONFIG_PM 4211 .set_wakeup = ieee80211_set_wakeup, 4212 #endif 4213 .get_channel = ieee80211_cfg_get_channel, 4214 .start_radar_detection = ieee80211_start_radar_detection, 4215 .end_cac = ieee80211_end_cac, 4216 .channel_switch = ieee80211_channel_switch, 4217 .set_qos_map = ieee80211_set_qos_map, 4218 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 4219 .add_tx_ts = ieee80211_add_tx_ts, 4220 .del_tx_ts = ieee80211_del_tx_ts, 4221 .start_nan = ieee80211_start_nan, 4222 .stop_nan = ieee80211_stop_nan, 4223 .nan_change_conf = ieee80211_nan_change_conf, 4224 .add_nan_func = ieee80211_add_nan_func, 4225 .del_nan_func = ieee80211_del_nan_func, 4226 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 4227 .tx_control_port = ieee80211_tx_control_port, 4228 .get_txq_stats = ieee80211_get_txq_stats, 4229 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 4230 .start_pmsr = ieee80211_start_pmsr, 4231 .abort_pmsr = ieee80211_abort_pmsr, 4232 .probe_mesh_link = ieee80211_probe_mesh_link, 4233 .set_tid_config = ieee80211_set_tid_config, 4234 .reset_tid_config = ieee80211_reset_tid_config, 4235 .set_sar_specs = ieee80211_set_sar_specs, 4236 }; 4237