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