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 case WLAN_CIPHER_SUITE_CCMP: 409 case WLAN_CIPHER_SUITE_CCMP_256: 410 case WLAN_CIPHER_SUITE_AES_CMAC: 411 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 412 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 413 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 414 case WLAN_CIPHER_SUITE_GCMP: 415 case WLAN_CIPHER_SUITE_GCMP_256: 416 break; 417 default: 418 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); 419 break; 420 } 421 422 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 423 params->key, params->seq_len, params->seq, 424 cs); 425 if (IS_ERR(key)) 426 return PTR_ERR(key); 427 428 if (pairwise) 429 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 430 431 if (params->mode == NL80211_KEY_NO_TX) 432 key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX; 433 434 mutex_lock(&local->sta_mtx); 435 436 if (mac_addr) { 437 sta = sta_info_get_bss(sdata, mac_addr); 438 /* 439 * The ASSOC test makes sure the driver is ready to 440 * receive the key. When wpa_supplicant has roamed 441 * using FT, it attempts to set the key before 442 * association has completed, this rejects that attempt 443 * so it will set the key again after association. 444 * 445 * TODO: accept the key if we have a station entry and 446 * add it to the device after the station. 447 */ 448 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 449 ieee80211_key_free_unused(key); 450 err = -ENOENT; 451 goto out_unlock; 452 } 453 } 454 455 switch (sdata->vif.type) { 456 case NL80211_IFTYPE_STATION: 457 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 458 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 459 break; 460 case NL80211_IFTYPE_AP: 461 case NL80211_IFTYPE_AP_VLAN: 462 /* Keys without a station are used for TX only */ 463 if (sta && test_sta_flag(sta, WLAN_STA_MFP)) 464 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 465 break; 466 case NL80211_IFTYPE_ADHOC: 467 /* no MFP (yet) */ 468 break; 469 case NL80211_IFTYPE_MESH_POINT: 470 #ifdef CONFIG_MAC80211_MESH 471 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 472 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 473 break; 474 #endif 475 case NL80211_IFTYPE_WDS: 476 case NL80211_IFTYPE_MONITOR: 477 case NL80211_IFTYPE_P2P_DEVICE: 478 case NL80211_IFTYPE_NAN: 479 case NL80211_IFTYPE_UNSPECIFIED: 480 case NUM_NL80211_IFTYPES: 481 case NL80211_IFTYPE_P2P_CLIENT: 482 case NL80211_IFTYPE_P2P_GO: 483 case NL80211_IFTYPE_OCB: 484 /* shouldn't happen */ 485 WARN_ON_ONCE(1); 486 break; 487 } 488 489 if (sta) 490 sta->cipher_scheme = cs; 491 492 err = ieee80211_key_link(key, sdata, sta); 493 494 out_unlock: 495 mutex_unlock(&local->sta_mtx); 496 497 return err; 498 } 499 500 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 501 u8 key_idx, bool pairwise, const u8 *mac_addr) 502 { 503 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 504 struct ieee80211_local *local = sdata->local; 505 struct sta_info *sta; 506 struct ieee80211_key *key = NULL; 507 int ret; 508 509 mutex_lock(&local->sta_mtx); 510 mutex_lock(&local->key_mtx); 511 512 if (mac_addr) { 513 ret = -ENOENT; 514 515 sta = sta_info_get_bss(sdata, mac_addr); 516 if (!sta) 517 goto out_unlock; 518 519 if (pairwise) 520 key = key_mtx_dereference(local, sta->ptk[key_idx]); 521 else 522 key = key_mtx_dereference(local, sta->gtk[key_idx]); 523 } else 524 key = key_mtx_dereference(local, sdata->keys[key_idx]); 525 526 if (!key) { 527 ret = -ENOENT; 528 goto out_unlock; 529 } 530 531 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION); 532 533 ret = 0; 534 out_unlock: 535 mutex_unlock(&local->key_mtx); 536 mutex_unlock(&local->sta_mtx); 537 538 return ret; 539 } 540 541 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 542 u8 key_idx, bool pairwise, const u8 *mac_addr, 543 void *cookie, 544 void (*callback)(void *cookie, 545 struct key_params *params)) 546 { 547 struct ieee80211_sub_if_data *sdata; 548 struct sta_info *sta = NULL; 549 u8 seq[6] = {0}; 550 struct key_params params; 551 struct ieee80211_key *key = NULL; 552 u64 pn64; 553 u32 iv32; 554 u16 iv16; 555 int err = -ENOENT; 556 struct ieee80211_key_seq kseq = {}; 557 558 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 559 560 rcu_read_lock(); 561 562 if (mac_addr) { 563 sta = sta_info_get_bss(sdata, mac_addr); 564 if (!sta) 565 goto out; 566 567 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 568 key = rcu_dereference(sta->ptk[key_idx]); 569 else if (!pairwise && 570 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS + 571 NUM_DEFAULT_BEACON_KEYS) 572 key = rcu_dereference(sta->gtk[key_idx]); 573 } else 574 key = rcu_dereference(sdata->keys[key_idx]); 575 576 if (!key) 577 goto out; 578 579 memset(¶ms, 0, sizeof(params)); 580 581 params.cipher = key->conf.cipher; 582 583 switch (key->conf.cipher) { 584 case WLAN_CIPHER_SUITE_TKIP: 585 pn64 = atomic64_read(&key->conf.tx_pn); 586 iv32 = TKIP_PN_TO_IV32(pn64); 587 iv16 = TKIP_PN_TO_IV16(pn64); 588 589 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 590 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 591 drv_get_key_seq(sdata->local, key, &kseq); 592 iv32 = kseq.tkip.iv32; 593 iv16 = kseq.tkip.iv16; 594 } 595 596 seq[0] = iv16 & 0xff; 597 seq[1] = (iv16 >> 8) & 0xff; 598 seq[2] = iv32 & 0xff; 599 seq[3] = (iv32 >> 8) & 0xff; 600 seq[4] = (iv32 >> 16) & 0xff; 601 seq[5] = (iv32 >> 24) & 0xff; 602 params.seq = seq; 603 params.seq_len = 6; 604 break; 605 case WLAN_CIPHER_SUITE_CCMP: 606 case WLAN_CIPHER_SUITE_CCMP_256: 607 case WLAN_CIPHER_SUITE_AES_CMAC: 608 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 609 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 610 offsetof(typeof(kseq), aes_cmac)); 611 fallthrough; 612 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 613 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 614 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 615 offsetof(typeof(kseq), aes_gmac)); 616 fallthrough; 617 case WLAN_CIPHER_SUITE_GCMP: 618 case WLAN_CIPHER_SUITE_GCMP_256: 619 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 620 offsetof(typeof(kseq), gcmp)); 621 622 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 623 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 624 drv_get_key_seq(sdata->local, key, &kseq); 625 memcpy(seq, kseq.ccmp.pn, 6); 626 } else { 627 pn64 = atomic64_read(&key->conf.tx_pn); 628 seq[0] = pn64; 629 seq[1] = pn64 >> 8; 630 seq[2] = pn64 >> 16; 631 seq[3] = pn64 >> 24; 632 seq[4] = pn64 >> 32; 633 seq[5] = pn64 >> 40; 634 } 635 params.seq = seq; 636 params.seq_len = 6; 637 break; 638 default: 639 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 640 break; 641 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 642 break; 643 drv_get_key_seq(sdata->local, key, &kseq); 644 params.seq = kseq.hw.seq; 645 params.seq_len = kseq.hw.seq_len; 646 break; 647 } 648 649 params.key = key->conf.key; 650 params.key_len = key->conf.keylen; 651 652 callback(cookie, ¶ms); 653 err = 0; 654 655 out: 656 rcu_read_unlock(); 657 return err; 658 } 659 660 static int ieee80211_config_default_key(struct wiphy *wiphy, 661 struct net_device *dev, 662 u8 key_idx, bool uni, 663 bool multi) 664 { 665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 666 667 ieee80211_set_default_key(sdata, key_idx, uni, multi); 668 669 return 0; 670 } 671 672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 673 struct net_device *dev, 674 u8 key_idx) 675 { 676 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 677 678 ieee80211_set_default_mgmt_key(sdata, key_idx); 679 680 return 0; 681 } 682 683 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy, 684 struct net_device *dev, 685 u8 key_idx) 686 { 687 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 688 689 ieee80211_set_default_beacon_key(sdata, key_idx); 690 691 return 0; 692 } 693 694 void sta_set_rate_info_tx(struct sta_info *sta, 695 const struct ieee80211_tx_rate *rate, 696 struct rate_info *rinfo) 697 { 698 rinfo->flags = 0; 699 if (rate->flags & IEEE80211_TX_RC_MCS) { 700 rinfo->flags |= RATE_INFO_FLAGS_MCS; 701 rinfo->mcs = rate->idx; 702 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 703 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 704 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 705 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 706 } else { 707 struct ieee80211_supported_band *sband; 708 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 709 u16 brate; 710 711 sband = ieee80211_get_sband(sta->sdata); 712 WARN_ON_ONCE(sband && !sband->bitrates); 713 if (sband && sband->bitrates) { 714 brate = sband->bitrates[rate->idx].bitrate; 715 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 716 } 717 } 718 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 719 rinfo->bw = RATE_INFO_BW_40; 720 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 721 rinfo->bw = RATE_INFO_BW_80; 722 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 723 rinfo->bw = RATE_INFO_BW_160; 724 else 725 rinfo->bw = RATE_INFO_BW_20; 726 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 727 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 728 } 729 730 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 731 int idx, u8 *mac, struct station_info *sinfo) 732 { 733 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 734 struct ieee80211_local *local = sdata->local; 735 struct sta_info *sta; 736 int ret = -ENOENT; 737 738 mutex_lock(&local->sta_mtx); 739 740 sta = sta_info_get_by_idx(sdata, idx); 741 if (sta) { 742 ret = 0; 743 memcpy(mac, sta->sta.addr, ETH_ALEN); 744 sta_set_sinfo(sta, sinfo, true); 745 } 746 747 mutex_unlock(&local->sta_mtx); 748 749 return ret; 750 } 751 752 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 753 int idx, struct survey_info *survey) 754 { 755 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 756 757 return drv_get_survey(local, idx, survey); 758 } 759 760 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 761 const u8 *mac, struct station_info *sinfo) 762 { 763 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 764 struct ieee80211_local *local = sdata->local; 765 struct sta_info *sta; 766 int ret = -ENOENT; 767 768 mutex_lock(&local->sta_mtx); 769 770 sta = sta_info_get_bss(sdata, mac); 771 if (sta) { 772 ret = 0; 773 sta_set_sinfo(sta, sinfo, true); 774 } 775 776 mutex_unlock(&local->sta_mtx); 777 778 return ret; 779 } 780 781 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 782 struct cfg80211_chan_def *chandef) 783 { 784 struct ieee80211_local *local = wiphy_priv(wiphy); 785 struct ieee80211_sub_if_data *sdata; 786 int ret = 0; 787 788 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 789 return 0; 790 791 mutex_lock(&local->mtx); 792 if (local->use_chanctx) { 793 sdata = rtnl_dereference(local->monitor_sdata); 794 if (sdata) { 795 ieee80211_vif_release_channel(sdata); 796 ret = ieee80211_vif_use_channel(sdata, chandef, 797 IEEE80211_CHANCTX_EXCLUSIVE); 798 } 799 } else if (local->open_count == local->monitors) { 800 local->_oper_chandef = *chandef; 801 ieee80211_hw_config(local, 0); 802 } 803 804 if (ret == 0) 805 local->monitor_chandef = *chandef; 806 mutex_unlock(&local->mtx); 807 808 return ret; 809 } 810 811 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 812 const u8 *resp, size_t resp_len, 813 const struct ieee80211_csa_settings *csa) 814 { 815 struct probe_resp *new, *old; 816 817 if (!resp || !resp_len) 818 return 1; 819 820 old = sdata_dereference(sdata->u.ap.probe_resp, sdata); 821 822 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 823 if (!new) 824 return -ENOMEM; 825 826 new->len = resp_len; 827 memcpy(new->data, resp, resp_len); 828 829 if (csa) 830 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_presp, 831 csa->n_counter_offsets_presp * 832 sizeof(new->cntdwn_counter_offsets[0])); 833 834 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 835 if (old) 836 kfree_rcu(old, rcu_head); 837 838 return 0; 839 } 840 841 static int ieee80211_set_fils_discovery(struct ieee80211_sub_if_data *sdata, 842 struct cfg80211_fils_discovery *params) 843 { 844 struct fils_discovery_data *new, *old = NULL; 845 struct ieee80211_fils_discovery *fd; 846 847 if (!params->tmpl || !params->tmpl_len) 848 return -EINVAL; 849 850 fd = &sdata->vif.bss_conf.fils_discovery; 851 fd->min_interval = params->min_interval; 852 fd->max_interval = params->max_interval; 853 854 old = sdata_dereference(sdata->u.ap.fils_discovery, sdata); 855 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 856 if (!new) 857 return -ENOMEM; 858 new->len = params->tmpl_len; 859 memcpy(new->data, params->tmpl, params->tmpl_len); 860 rcu_assign_pointer(sdata->u.ap.fils_discovery, new); 861 862 if (old) 863 kfree_rcu(old, rcu_head); 864 865 return 0; 866 } 867 868 static int 869 ieee80211_set_unsol_bcast_probe_resp(struct ieee80211_sub_if_data *sdata, 870 struct cfg80211_unsol_bcast_probe_resp *params) 871 { 872 struct unsol_bcast_probe_resp_data *new, *old = NULL; 873 874 if (!params->tmpl || !params->tmpl_len) 875 return -EINVAL; 876 877 old = sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, sdata); 878 new = kzalloc(sizeof(*new) + params->tmpl_len, GFP_KERNEL); 879 if (!new) 880 return -ENOMEM; 881 new->len = params->tmpl_len; 882 memcpy(new->data, params->tmpl, params->tmpl_len); 883 rcu_assign_pointer(sdata->u.ap.unsol_bcast_probe_resp, new); 884 885 if (old) 886 kfree_rcu(old, rcu_head); 887 888 sdata->vif.bss_conf.unsol_bcast_probe_resp_interval = 889 params->interval; 890 891 return 0; 892 } 893 894 static int ieee80211_set_ftm_responder_params( 895 struct ieee80211_sub_if_data *sdata, 896 const u8 *lci, size_t lci_len, 897 const u8 *civicloc, size_t civicloc_len) 898 { 899 struct ieee80211_ftm_responder_params *new, *old; 900 struct ieee80211_bss_conf *bss_conf; 901 u8 *pos; 902 int len; 903 904 if (!lci_len && !civicloc_len) 905 return 0; 906 907 bss_conf = &sdata->vif.bss_conf; 908 old = bss_conf->ftmr_params; 909 len = lci_len + civicloc_len; 910 911 new = kzalloc(sizeof(*new) + len, GFP_KERNEL); 912 if (!new) 913 return -ENOMEM; 914 915 pos = (u8 *)(new + 1); 916 if (lci_len) { 917 new->lci_len = lci_len; 918 new->lci = pos; 919 memcpy(pos, lci, lci_len); 920 pos += lci_len; 921 } 922 923 if (civicloc_len) { 924 new->civicloc_len = civicloc_len; 925 new->civicloc = pos; 926 memcpy(pos, civicloc, civicloc_len); 927 pos += civicloc_len; 928 } 929 930 bss_conf->ftmr_params = new; 931 kfree(old); 932 933 return 0; 934 } 935 936 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 937 struct cfg80211_beacon_data *params, 938 const struct ieee80211_csa_settings *csa) 939 { 940 struct beacon_data *new, *old; 941 int new_head_len, new_tail_len; 942 int size, err; 943 u32 changed = BSS_CHANGED_BEACON; 944 945 old = sdata_dereference(sdata->u.ap.beacon, sdata); 946 947 948 /* Need to have a beacon head if we don't have one yet */ 949 if (!params->head && !old) 950 return -EINVAL; 951 952 /* new or old head? */ 953 if (params->head) 954 new_head_len = params->head_len; 955 else 956 new_head_len = old->head_len; 957 958 /* new or old tail? */ 959 if (params->tail || !old) 960 /* params->tail_len will be zero for !params->tail */ 961 new_tail_len = params->tail_len; 962 else 963 new_tail_len = old->tail_len; 964 965 size = sizeof(*new) + new_head_len + new_tail_len; 966 967 new = kzalloc(size, GFP_KERNEL); 968 if (!new) 969 return -ENOMEM; 970 971 /* start filling the new info now */ 972 973 /* 974 * pointers go into the block we allocated, 975 * memory is | beacon_data | head | tail | 976 */ 977 new->head = ((u8 *) new) + sizeof(*new); 978 new->tail = new->head + new_head_len; 979 new->head_len = new_head_len; 980 new->tail_len = new_tail_len; 981 982 if (csa) { 983 new->cntdwn_current_counter = csa->count; 984 memcpy(new->cntdwn_counter_offsets, csa->counter_offsets_beacon, 985 csa->n_counter_offsets_beacon * 986 sizeof(new->cntdwn_counter_offsets[0])); 987 } 988 989 /* copy in head */ 990 if (params->head) 991 memcpy(new->head, params->head, new_head_len); 992 else 993 memcpy(new->head, old->head, new_head_len); 994 995 /* copy in optional tail */ 996 if (params->tail) 997 memcpy(new->tail, params->tail, new_tail_len); 998 else 999 if (old) 1000 memcpy(new->tail, old->tail, new_tail_len); 1001 1002 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 1003 params->probe_resp_len, csa); 1004 if (err < 0) { 1005 kfree(new); 1006 return err; 1007 } 1008 if (err == 0) 1009 changed |= BSS_CHANGED_AP_PROBE_RESP; 1010 1011 if (params->ftm_responder != -1) { 1012 sdata->vif.bss_conf.ftm_responder = params->ftm_responder; 1013 err = ieee80211_set_ftm_responder_params(sdata, 1014 params->lci, 1015 params->lci_len, 1016 params->civicloc, 1017 params->civicloc_len); 1018 1019 if (err < 0) { 1020 kfree(new); 1021 return err; 1022 } 1023 1024 changed |= BSS_CHANGED_FTM_RESPONDER; 1025 } 1026 1027 rcu_assign_pointer(sdata->u.ap.beacon, new); 1028 1029 if (old) 1030 kfree_rcu(old, rcu_head); 1031 1032 return changed; 1033 } 1034 1035 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 1036 struct cfg80211_ap_settings *params) 1037 { 1038 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1039 struct ieee80211_local *local = sdata->local; 1040 struct beacon_data *old; 1041 struct ieee80211_sub_if_data *vlan; 1042 u32 changed = BSS_CHANGED_BEACON_INT | 1043 BSS_CHANGED_BEACON_ENABLED | 1044 BSS_CHANGED_BEACON | 1045 BSS_CHANGED_SSID | 1046 BSS_CHANGED_P2P_PS | 1047 BSS_CHANGED_TXPOWER | 1048 BSS_CHANGED_TWT; 1049 int i, err; 1050 int prev_beacon_int; 1051 1052 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1053 if (old) 1054 return -EALREADY; 1055 1056 if (params->smps_mode != NL80211_SMPS_OFF) 1057 return -ENOTSUPP; 1058 1059 sdata->smps_mode = IEEE80211_SMPS_OFF; 1060 1061 sdata->needed_rx_chains = sdata->local->rx_chains; 1062 1063 prev_beacon_int = sdata->vif.bss_conf.beacon_int; 1064 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 1065 1066 if (params->he_cap && params->he_oper) { 1067 sdata->vif.bss_conf.he_support = true; 1068 sdata->vif.bss_conf.htc_trig_based_pkt_ext = 1069 le32_get_bits(params->he_oper->he_oper_params, 1070 IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK); 1071 sdata->vif.bss_conf.frame_time_rts_th = 1072 le32_get_bits(params->he_oper->he_oper_params, 1073 IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK); 1074 changed |= BSS_CHANGED_HE_OBSS_PD; 1075 1076 if (params->he_bss_color.enabled) 1077 changed |= BSS_CHANGED_HE_BSS_COLOR; 1078 } 1079 1080 mutex_lock(&local->mtx); 1081 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 1082 IEEE80211_CHANCTX_SHARED); 1083 if (!err) 1084 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 1085 mutex_unlock(&local->mtx); 1086 if (err) { 1087 sdata->vif.bss_conf.beacon_int = prev_beacon_int; 1088 return err; 1089 } 1090 1091 /* 1092 * Apply control port protocol, this allows us to 1093 * not encrypt dynamic WEP control frames. 1094 */ 1095 sdata->control_port_protocol = params->crypto.control_port_ethertype; 1096 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 1097 sdata->control_port_over_nl80211 = 1098 params->crypto.control_port_over_nl80211; 1099 sdata->control_port_no_preauth = 1100 params->crypto.control_port_no_preauth; 1101 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 1102 ¶ms->crypto, 1103 sdata->vif.type); 1104 1105 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 1106 vlan->control_port_protocol = 1107 params->crypto.control_port_ethertype; 1108 vlan->control_port_no_encrypt = 1109 params->crypto.control_port_no_encrypt; 1110 vlan->control_port_over_nl80211 = 1111 params->crypto.control_port_over_nl80211; 1112 vlan->control_port_no_preauth = 1113 params->crypto.control_port_no_preauth; 1114 vlan->encrypt_headroom = 1115 ieee80211_cs_headroom(sdata->local, 1116 ¶ms->crypto, 1117 vlan->vif.type); 1118 } 1119 1120 sdata->vif.bss_conf.dtim_period = params->dtim_period; 1121 sdata->vif.bss_conf.enable_beacon = true; 1122 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; 1123 sdata->vif.bss_conf.twt_responder = params->twt_responder; 1124 memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd, 1125 sizeof(struct ieee80211_he_obss_pd)); 1126 memcpy(&sdata->vif.bss_conf.he_bss_color, ¶ms->he_bss_color, 1127 sizeof(struct ieee80211_he_bss_color)); 1128 sdata->vif.bss_conf.s1g = params->chandef.chan->band == 1129 NL80211_BAND_S1GHZ; 1130 1131 sdata->vif.bss_conf.ssid_len = params->ssid_len; 1132 if (params->ssid_len) 1133 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 1134 params->ssid_len); 1135 sdata->vif.bss_conf.hidden_ssid = 1136 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 1137 1138 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 1139 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 1140 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 1141 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1142 if (params->p2p_opp_ps) 1143 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 1144 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1145 1146 sdata->beacon_rate_set = false; 1147 if (wiphy_ext_feature_isset(local->hw.wiphy, 1148 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 1149 for (i = 0; i < NUM_NL80211_BANDS; i++) { 1150 sdata->beacon_rateidx_mask[i] = 1151 params->beacon_rate.control[i].legacy; 1152 if (sdata->beacon_rateidx_mask[i]) 1153 sdata->beacon_rate_set = true; 1154 } 1155 } 1156 1157 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) 1158 sdata->vif.bss_conf.beacon_tx_rate = params->beacon_rate; 1159 1160 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); 1161 if (err < 0) 1162 goto error; 1163 changed |= err; 1164 1165 if (params->fils_discovery.max_interval) { 1166 err = ieee80211_set_fils_discovery(sdata, 1167 ¶ms->fils_discovery); 1168 if (err < 0) 1169 goto error; 1170 changed |= BSS_CHANGED_FILS_DISCOVERY; 1171 } 1172 1173 if (params->unsol_bcast_probe_resp.interval) { 1174 err = ieee80211_set_unsol_bcast_probe_resp(sdata, 1175 ¶ms->unsol_bcast_probe_resp); 1176 if (err < 0) 1177 goto error; 1178 changed |= BSS_CHANGED_UNSOL_BCAST_PROBE_RESP; 1179 } 1180 1181 err = drv_start_ap(sdata->local, sdata); 1182 if (err) { 1183 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1184 1185 if (old) 1186 kfree_rcu(old, rcu_head); 1187 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1188 goto error; 1189 } 1190 1191 ieee80211_recalc_dtim(local, sdata); 1192 ieee80211_bss_info_change_notify(sdata, changed); 1193 1194 netif_carrier_on(dev); 1195 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1196 netif_carrier_on(vlan->dev); 1197 1198 return 0; 1199 1200 error: 1201 ieee80211_vif_release_channel(sdata); 1202 return err; 1203 } 1204 1205 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 1206 struct cfg80211_beacon_data *params) 1207 { 1208 struct ieee80211_sub_if_data *sdata; 1209 struct beacon_data *old; 1210 int err; 1211 1212 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1213 sdata_assert_lock(sdata); 1214 1215 /* don't allow changing the beacon while CSA is in place - offset 1216 * of channel switch counter may change 1217 */ 1218 if (sdata->vif.csa_active) 1219 return -EBUSY; 1220 1221 old = sdata_dereference(sdata->u.ap.beacon, sdata); 1222 if (!old) 1223 return -ENOENT; 1224 1225 err = ieee80211_assign_beacon(sdata, params, NULL); 1226 if (err < 0) 1227 return err; 1228 ieee80211_bss_info_change_notify(sdata, err); 1229 return 0; 1230 } 1231 1232 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1233 { 1234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1235 struct ieee80211_sub_if_data *vlan; 1236 struct ieee80211_local *local = sdata->local; 1237 struct beacon_data *old_beacon; 1238 struct probe_resp *old_probe_resp; 1239 struct fils_discovery_data *old_fils_discovery; 1240 struct unsol_bcast_probe_resp_data *old_unsol_bcast_probe_resp; 1241 struct cfg80211_chan_def chandef; 1242 1243 sdata_assert_lock(sdata); 1244 1245 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); 1246 if (!old_beacon) 1247 return -ENOENT; 1248 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); 1249 old_fils_discovery = sdata_dereference(sdata->u.ap.fils_discovery, 1250 sdata); 1251 old_unsol_bcast_probe_resp = 1252 sdata_dereference(sdata->u.ap.unsol_bcast_probe_resp, 1253 sdata); 1254 1255 /* abort any running channel switch */ 1256 mutex_lock(&local->mtx); 1257 sdata->vif.csa_active = false; 1258 if (sdata->csa_block_tx) { 1259 ieee80211_wake_vif_queues(local, sdata, 1260 IEEE80211_QUEUE_STOP_REASON_CSA); 1261 sdata->csa_block_tx = false; 1262 } 1263 1264 mutex_unlock(&local->mtx); 1265 1266 kfree(sdata->u.ap.next_beacon); 1267 sdata->u.ap.next_beacon = NULL; 1268 1269 /* turn off carrier for this interface and dependent VLANs */ 1270 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1271 netif_carrier_off(vlan->dev); 1272 netif_carrier_off(dev); 1273 1274 /* remove beacon and probe response */ 1275 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1276 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); 1277 RCU_INIT_POINTER(sdata->u.ap.fils_discovery, NULL); 1278 RCU_INIT_POINTER(sdata->u.ap.unsol_bcast_probe_resp, NULL); 1279 kfree_rcu(old_beacon, rcu_head); 1280 if (old_probe_resp) 1281 kfree_rcu(old_probe_resp, rcu_head); 1282 if (old_fils_discovery) 1283 kfree_rcu(old_fils_discovery, rcu_head); 1284 if (old_unsol_bcast_probe_resp) 1285 kfree_rcu(old_unsol_bcast_probe_resp, rcu_head); 1286 1287 kfree(sdata->vif.bss_conf.ftmr_params); 1288 sdata->vif.bss_conf.ftmr_params = NULL; 1289 1290 __sta_info_flush(sdata, true); 1291 ieee80211_free_keys(sdata, true); 1292 1293 sdata->vif.bss_conf.enable_beacon = false; 1294 sdata->beacon_rate_set = false; 1295 sdata->vif.bss_conf.ssid_len = 0; 1296 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1297 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 1298 1299 if (sdata->wdev.cac_started) { 1300 chandef = sdata->vif.bss_conf.chandef; 1301 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); 1302 cfg80211_cac_event(sdata->dev, &chandef, 1303 NL80211_RADAR_CAC_ABORTED, 1304 GFP_KERNEL); 1305 } 1306 1307 drv_stop_ap(sdata->local, sdata); 1308 1309 /* free all potentially still buffered bcast frames */ 1310 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1311 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1312 1313 mutex_lock(&local->mtx); 1314 ieee80211_vif_copy_chanctx_to_vlans(sdata, true); 1315 ieee80211_vif_release_channel(sdata); 1316 mutex_unlock(&local->mtx); 1317 1318 return 0; 1319 } 1320 1321 static int sta_apply_auth_flags(struct ieee80211_local *local, 1322 struct sta_info *sta, 1323 u32 mask, u32 set) 1324 { 1325 int ret; 1326 1327 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1328 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1329 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1330 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1331 if (ret) 1332 return ret; 1333 } 1334 1335 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1336 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1337 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1338 /* 1339 * When peer becomes associated, init rate control as 1340 * well. Some drivers require rate control initialized 1341 * before drv_sta_state() is called. 1342 */ 1343 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1344 rate_control_rate_init(sta); 1345 1346 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1347 if (ret) 1348 return ret; 1349 } 1350 1351 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1352 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1353 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1354 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1355 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1356 else 1357 ret = 0; 1358 if (ret) 1359 return ret; 1360 } 1361 1362 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1363 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1364 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1365 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1366 if (ret) 1367 return ret; 1368 } 1369 1370 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1371 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1372 test_sta_flag(sta, WLAN_STA_AUTH)) { 1373 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1374 if (ret) 1375 return ret; 1376 } 1377 1378 return 0; 1379 } 1380 1381 static void sta_apply_mesh_params(struct ieee80211_local *local, 1382 struct sta_info *sta, 1383 struct station_parameters *params) 1384 { 1385 #ifdef CONFIG_MAC80211_MESH 1386 struct ieee80211_sub_if_data *sdata = sta->sdata; 1387 u32 changed = 0; 1388 1389 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1390 switch (params->plink_state) { 1391 case NL80211_PLINK_ESTAB: 1392 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1393 changed = mesh_plink_inc_estab_count(sdata); 1394 sta->mesh->plink_state = params->plink_state; 1395 sta->mesh->aid = params->peer_aid; 1396 1397 ieee80211_mps_sta_status_update(sta); 1398 changed |= ieee80211_mps_set_sta_local_pm(sta, 1399 sdata->u.mesh.mshcfg.power_mode); 1400 1401 ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg); 1402 /* init at low value */ 1403 ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10); 1404 1405 break; 1406 case NL80211_PLINK_LISTEN: 1407 case NL80211_PLINK_BLOCKED: 1408 case NL80211_PLINK_OPN_SNT: 1409 case NL80211_PLINK_OPN_RCVD: 1410 case NL80211_PLINK_CNF_RCVD: 1411 case NL80211_PLINK_HOLDING: 1412 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1413 changed = mesh_plink_dec_estab_count(sdata); 1414 sta->mesh->plink_state = params->plink_state; 1415 1416 ieee80211_mps_sta_status_update(sta); 1417 changed |= ieee80211_mps_set_sta_local_pm(sta, 1418 NL80211_MESH_POWER_UNKNOWN); 1419 break; 1420 default: 1421 /* nothing */ 1422 break; 1423 } 1424 } 1425 1426 switch (params->plink_action) { 1427 case NL80211_PLINK_ACTION_NO_ACTION: 1428 /* nothing */ 1429 break; 1430 case NL80211_PLINK_ACTION_OPEN: 1431 changed |= mesh_plink_open(sta); 1432 break; 1433 case NL80211_PLINK_ACTION_BLOCK: 1434 changed |= mesh_plink_block(sta); 1435 break; 1436 } 1437 1438 if (params->local_pm) 1439 changed |= ieee80211_mps_set_sta_local_pm(sta, 1440 params->local_pm); 1441 1442 ieee80211_mbss_info_change_notify(sdata, changed); 1443 #endif 1444 } 1445 1446 static int sta_apply_parameters(struct ieee80211_local *local, 1447 struct sta_info *sta, 1448 struct station_parameters *params) 1449 { 1450 int ret = 0; 1451 struct ieee80211_supported_band *sband; 1452 struct ieee80211_sub_if_data *sdata = sta->sdata; 1453 u32 mask, set; 1454 1455 sband = ieee80211_get_sband(sdata); 1456 if (!sband) 1457 return -EINVAL; 1458 1459 mask = params->sta_flags_mask; 1460 set = params->sta_flags_set; 1461 1462 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1463 /* 1464 * In mesh mode, ASSOCIATED isn't part of the nl80211 1465 * API but must follow AUTHENTICATED for driver state. 1466 */ 1467 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1468 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1469 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1470 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1471 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1472 /* 1473 * TDLS -- everything follows authorized, but 1474 * only becoming authorized is possible, not 1475 * going back 1476 */ 1477 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1478 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1479 BIT(NL80211_STA_FLAG_ASSOCIATED); 1480 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1481 BIT(NL80211_STA_FLAG_ASSOCIATED); 1482 } 1483 } 1484 1485 if (mask & BIT(NL80211_STA_FLAG_WME) && 1486 local->hw.queues >= IEEE80211_NUM_ACS) 1487 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1488 1489 /* auth flags will be set later for TDLS, 1490 * and for unassociated stations that move to assocaited */ 1491 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1492 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1493 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1494 ret = sta_apply_auth_flags(local, sta, mask, set); 1495 if (ret) 1496 return ret; 1497 } 1498 1499 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1500 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1501 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1502 else 1503 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1504 } 1505 1506 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1507 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1508 if (set & BIT(NL80211_STA_FLAG_MFP)) 1509 set_sta_flag(sta, WLAN_STA_MFP); 1510 else 1511 clear_sta_flag(sta, WLAN_STA_MFP); 1512 } 1513 1514 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1515 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1516 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1517 else 1518 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1519 } 1520 1521 /* mark TDLS channel switch support, if the AP allows it */ 1522 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1523 !sdata->u.mgd.tdls_chan_switch_prohibited && 1524 params->ext_capab_len >= 4 && 1525 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1526 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1527 1528 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1529 !sdata->u.mgd.tdls_wider_bw_prohibited && 1530 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1531 params->ext_capab_len >= 8 && 1532 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1533 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1534 1535 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1536 sta->sta.uapsd_queues = params->uapsd_queues; 1537 sta->sta.max_sp = params->max_sp; 1538 } 1539 1540 /* The sender might not have sent the last bit, consider it to be 0 */ 1541 if (params->ext_capab_len >= 8) { 1542 u8 val = (params->ext_capab[7] & 1543 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; 1544 1545 /* we did get all the bits, take the MSB as well */ 1546 if (params->ext_capab_len >= 9) { 1547 u8 val_msb = params->ext_capab[8] & 1548 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; 1549 val_msb <<= 1; 1550 val |= val_msb; 1551 } 1552 1553 switch (val) { 1554 case 1: 1555 sta->sta.max_amsdu_subframes = 32; 1556 break; 1557 case 2: 1558 sta->sta.max_amsdu_subframes = 16; 1559 break; 1560 case 3: 1561 sta->sta.max_amsdu_subframes = 8; 1562 break; 1563 default: 1564 sta->sta.max_amsdu_subframes = 0; 1565 } 1566 } 1567 1568 /* 1569 * cfg80211 validates this (1-2007) and allows setting the AID 1570 * only when creating a new station entry 1571 */ 1572 if (params->aid) 1573 sta->sta.aid = params->aid; 1574 1575 /* 1576 * Some of the following updates would be racy if called on an 1577 * existing station, via ieee80211_change_station(). However, 1578 * all such changes are rejected by cfg80211 except for updates 1579 * changing the supported rates on an existing but not yet used 1580 * TDLS peer. 1581 */ 1582 1583 if (params->listen_interval >= 0) 1584 sta->listen_interval = params->listen_interval; 1585 1586 if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) { 1587 sta->sta.txpwr.type = params->txpwr.type; 1588 if (params->txpwr.type == NL80211_TX_POWER_LIMITED) 1589 sta->sta.txpwr.power = params->txpwr.power; 1590 ret = drv_sta_set_txpwr(local, sdata, sta); 1591 if (ret) 1592 return ret; 1593 } 1594 1595 if (params->supported_rates && params->supported_rates_len) { 1596 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1597 sband, params->supported_rates, 1598 params->supported_rates_len, 1599 &sta->sta.supp_rates[sband->band]); 1600 } 1601 1602 if (params->ht_capa) 1603 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1604 params->ht_capa, sta); 1605 1606 /* VHT can override some HT caps such as the A-MSDU max length */ 1607 if (params->vht_capa) 1608 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1609 params->vht_capa, sta); 1610 1611 if (params->he_capa) 1612 ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, 1613 (void *)params->he_capa, 1614 params->he_capa_len, 1615 (void *)params->he_6ghz_capa, 1616 sta); 1617 1618 if (params->opmode_notif_used) { 1619 /* returned value is only needed for rc update, but the 1620 * rc isn't initialized here yet, so ignore it 1621 */ 1622 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif, 1623 sband->band); 1624 } 1625 1626 if (params->support_p2p_ps >= 0) 1627 sta->sta.support_p2p_ps = params->support_p2p_ps; 1628 1629 if (ieee80211_vif_is_mesh(&sdata->vif)) 1630 sta_apply_mesh_params(local, sta, params); 1631 1632 if (params->airtime_weight) 1633 sta->airtime_weight = params->airtime_weight; 1634 1635 /* set the STA state after all sta info from usermode has been set */ 1636 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1637 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1638 ret = sta_apply_auth_flags(local, sta, mask, set); 1639 if (ret) 1640 return ret; 1641 } 1642 1643 return 0; 1644 } 1645 1646 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1647 const u8 *mac, 1648 struct station_parameters *params) 1649 { 1650 struct ieee80211_local *local = wiphy_priv(wiphy); 1651 struct sta_info *sta; 1652 struct ieee80211_sub_if_data *sdata; 1653 int err; 1654 1655 if (params->vlan) { 1656 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1657 1658 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1659 sdata->vif.type != NL80211_IFTYPE_AP) 1660 return -EINVAL; 1661 } else 1662 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1663 1664 if (ether_addr_equal(mac, sdata->vif.addr)) 1665 return -EINVAL; 1666 1667 if (!is_valid_ether_addr(mac)) 1668 return -EINVAL; 1669 1670 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) && 1671 sdata->vif.type == NL80211_IFTYPE_STATION && 1672 !sdata->u.mgd.associated) 1673 return -EINVAL; 1674 1675 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1676 if (!sta) 1677 return -ENOMEM; 1678 1679 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1680 sta->sta.tdls = true; 1681 1682 err = sta_apply_parameters(local, sta, params); 1683 if (err) { 1684 sta_info_free(local, sta); 1685 return err; 1686 } 1687 1688 /* 1689 * for TDLS and for unassociated station, rate control should be 1690 * initialized only when rates are known and station is marked 1691 * authorized/associated 1692 */ 1693 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1694 test_sta_flag(sta, WLAN_STA_ASSOC)) 1695 rate_control_rate_init(sta); 1696 1697 err = sta_info_insert_rcu(sta); 1698 if (err) { 1699 rcu_read_unlock(); 1700 return err; 1701 } 1702 1703 rcu_read_unlock(); 1704 1705 return 0; 1706 } 1707 1708 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1709 struct station_del_parameters *params) 1710 { 1711 struct ieee80211_sub_if_data *sdata; 1712 1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1714 1715 if (params->mac) 1716 return sta_info_destroy_addr_bss(sdata, params->mac); 1717 1718 sta_info_flush(sdata); 1719 return 0; 1720 } 1721 1722 static int ieee80211_change_station(struct wiphy *wiphy, 1723 struct net_device *dev, const u8 *mac, 1724 struct station_parameters *params) 1725 { 1726 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1727 struct ieee80211_local *local = wiphy_priv(wiphy); 1728 struct sta_info *sta; 1729 struct ieee80211_sub_if_data *vlansdata; 1730 enum cfg80211_station_type statype; 1731 int err; 1732 1733 mutex_lock(&local->sta_mtx); 1734 1735 sta = sta_info_get_bss(sdata, mac); 1736 if (!sta) { 1737 err = -ENOENT; 1738 goto out_err; 1739 } 1740 1741 switch (sdata->vif.type) { 1742 case NL80211_IFTYPE_MESH_POINT: 1743 if (sdata->u.mesh.user_mpm) 1744 statype = CFG80211_STA_MESH_PEER_USER; 1745 else 1746 statype = CFG80211_STA_MESH_PEER_KERNEL; 1747 break; 1748 case NL80211_IFTYPE_ADHOC: 1749 statype = CFG80211_STA_IBSS; 1750 break; 1751 case NL80211_IFTYPE_STATION: 1752 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1753 statype = CFG80211_STA_AP_STA; 1754 break; 1755 } 1756 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1757 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 1758 else 1759 statype = CFG80211_STA_TDLS_PEER_SETUP; 1760 break; 1761 case NL80211_IFTYPE_AP: 1762 case NL80211_IFTYPE_AP_VLAN: 1763 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 1764 statype = CFG80211_STA_AP_CLIENT; 1765 else 1766 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 1767 break; 1768 default: 1769 err = -EOPNOTSUPP; 1770 goto out_err; 1771 } 1772 1773 err = cfg80211_check_station_change(wiphy, params, statype); 1774 if (err) 1775 goto out_err; 1776 1777 if (params->vlan && params->vlan != sta->sdata->dev) { 1778 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1779 1780 if (params->vlan->ieee80211_ptr->use_4addr) { 1781 if (vlansdata->u.vlan.sta) { 1782 err = -EBUSY; 1783 goto out_err; 1784 } 1785 1786 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1787 __ieee80211_check_fast_rx_iface(vlansdata); 1788 drv_sta_set_4addr(local, sta->sdata, &sta->sta, true); 1789 } 1790 1791 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1792 sta->sdata->u.vlan.sta) 1793 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 1794 1795 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1796 ieee80211_vif_dec_num_mcast(sta->sdata); 1797 1798 sta->sdata = vlansdata; 1799 ieee80211_check_fast_xmit(sta); 1800 1801 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) { 1802 ieee80211_vif_inc_num_mcast(sta->sdata); 1803 cfg80211_send_layer2_update(sta->sdata->dev, 1804 sta->sta.addr); 1805 } 1806 } 1807 1808 err = sta_apply_parameters(local, sta, params); 1809 if (err) 1810 goto out_err; 1811 1812 mutex_unlock(&local->sta_mtx); 1813 1814 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1815 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1816 ieee80211_recalc_ps(local); 1817 ieee80211_recalc_ps_vif(sdata); 1818 } 1819 1820 return 0; 1821 out_err: 1822 mutex_unlock(&local->sta_mtx); 1823 return err; 1824 } 1825 1826 #ifdef CONFIG_MAC80211_MESH 1827 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1828 const u8 *dst, const u8 *next_hop) 1829 { 1830 struct ieee80211_sub_if_data *sdata; 1831 struct mesh_path *mpath; 1832 struct sta_info *sta; 1833 1834 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1835 1836 rcu_read_lock(); 1837 sta = sta_info_get(sdata, next_hop); 1838 if (!sta) { 1839 rcu_read_unlock(); 1840 return -ENOENT; 1841 } 1842 1843 mpath = mesh_path_add(sdata, dst); 1844 if (IS_ERR(mpath)) { 1845 rcu_read_unlock(); 1846 return PTR_ERR(mpath); 1847 } 1848 1849 mesh_path_fix_nexthop(mpath, sta); 1850 1851 rcu_read_unlock(); 1852 return 0; 1853 } 1854 1855 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1856 const u8 *dst) 1857 { 1858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1859 1860 if (dst) 1861 return mesh_path_del(sdata, dst); 1862 1863 mesh_path_flush_by_iface(sdata); 1864 return 0; 1865 } 1866 1867 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 1868 const u8 *dst, const u8 *next_hop) 1869 { 1870 struct ieee80211_sub_if_data *sdata; 1871 struct mesh_path *mpath; 1872 struct sta_info *sta; 1873 1874 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1875 1876 rcu_read_lock(); 1877 1878 sta = sta_info_get(sdata, next_hop); 1879 if (!sta) { 1880 rcu_read_unlock(); 1881 return -ENOENT; 1882 } 1883 1884 mpath = mesh_path_lookup(sdata, dst); 1885 if (!mpath) { 1886 rcu_read_unlock(); 1887 return -ENOENT; 1888 } 1889 1890 mesh_path_fix_nexthop(mpath, sta); 1891 1892 rcu_read_unlock(); 1893 return 0; 1894 } 1895 1896 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1897 struct mpath_info *pinfo) 1898 { 1899 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1900 1901 if (next_hop_sta) 1902 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1903 else 1904 eth_zero_addr(next_hop); 1905 1906 memset(pinfo, 0, sizeof(*pinfo)); 1907 1908 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 1909 1910 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1911 MPATH_INFO_SN | 1912 MPATH_INFO_METRIC | 1913 MPATH_INFO_EXPTIME | 1914 MPATH_INFO_DISCOVERY_TIMEOUT | 1915 MPATH_INFO_DISCOVERY_RETRIES | 1916 MPATH_INFO_FLAGS | 1917 MPATH_INFO_HOP_COUNT | 1918 MPATH_INFO_PATH_CHANGE; 1919 1920 pinfo->frame_qlen = mpath->frame_queue.qlen; 1921 pinfo->sn = mpath->sn; 1922 pinfo->metric = mpath->metric; 1923 if (time_before(jiffies, mpath->exp_time)) 1924 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1925 pinfo->discovery_timeout = 1926 jiffies_to_msecs(mpath->discovery_timeout); 1927 pinfo->discovery_retries = mpath->discovery_retries; 1928 if (mpath->flags & MESH_PATH_ACTIVE) 1929 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1930 if (mpath->flags & MESH_PATH_RESOLVING) 1931 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1932 if (mpath->flags & MESH_PATH_SN_VALID) 1933 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1934 if (mpath->flags & MESH_PATH_FIXED) 1935 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1936 if (mpath->flags & MESH_PATH_RESOLVED) 1937 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1938 pinfo->hop_count = mpath->hop_count; 1939 pinfo->path_change_count = mpath->path_change_count; 1940 } 1941 1942 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1943 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1944 1945 { 1946 struct ieee80211_sub_if_data *sdata; 1947 struct mesh_path *mpath; 1948 1949 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1950 1951 rcu_read_lock(); 1952 mpath = mesh_path_lookup(sdata, dst); 1953 if (!mpath) { 1954 rcu_read_unlock(); 1955 return -ENOENT; 1956 } 1957 memcpy(dst, mpath->dst, ETH_ALEN); 1958 mpath_set_pinfo(mpath, next_hop, pinfo); 1959 rcu_read_unlock(); 1960 return 0; 1961 } 1962 1963 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1964 int idx, u8 *dst, u8 *next_hop, 1965 struct mpath_info *pinfo) 1966 { 1967 struct ieee80211_sub_if_data *sdata; 1968 struct mesh_path *mpath; 1969 1970 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1971 1972 rcu_read_lock(); 1973 mpath = mesh_path_lookup_by_idx(sdata, idx); 1974 if (!mpath) { 1975 rcu_read_unlock(); 1976 return -ENOENT; 1977 } 1978 memcpy(dst, mpath->dst, ETH_ALEN); 1979 mpath_set_pinfo(mpath, next_hop, pinfo); 1980 rcu_read_unlock(); 1981 return 0; 1982 } 1983 1984 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 1985 struct mpath_info *pinfo) 1986 { 1987 memset(pinfo, 0, sizeof(*pinfo)); 1988 memcpy(mpp, mpath->mpp, ETH_ALEN); 1989 1990 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 1991 } 1992 1993 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 1994 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 1995 1996 { 1997 struct ieee80211_sub_if_data *sdata; 1998 struct mesh_path *mpath; 1999 2000 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2001 2002 rcu_read_lock(); 2003 mpath = mpp_path_lookup(sdata, dst); 2004 if (!mpath) { 2005 rcu_read_unlock(); 2006 return -ENOENT; 2007 } 2008 memcpy(dst, mpath->dst, ETH_ALEN); 2009 mpp_set_pinfo(mpath, mpp, pinfo); 2010 rcu_read_unlock(); 2011 return 0; 2012 } 2013 2014 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 2015 int idx, u8 *dst, u8 *mpp, 2016 struct mpath_info *pinfo) 2017 { 2018 struct ieee80211_sub_if_data *sdata; 2019 struct mesh_path *mpath; 2020 2021 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2022 2023 rcu_read_lock(); 2024 mpath = mpp_path_lookup_by_idx(sdata, idx); 2025 if (!mpath) { 2026 rcu_read_unlock(); 2027 return -ENOENT; 2028 } 2029 memcpy(dst, mpath->dst, ETH_ALEN); 2030 mpp_set_pinfo(mpath, mpp, pinfo); 2031 rcu_read_unlock(); 2032 return 0; 2033 } 2034 2035 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 2036 struct net_device *dev, 2037 struct mesh_config *conf) 2038 { 2039 struct ieee80211_sub_if_data *sdata; 2040 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2041 2042 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 2043 return 0; 2044 } 2045 2046 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 2047 { 2048 return (mask >> (parm-1)) & 0x1; 2049 } 2050 2051 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 2052 const struct mesh_setup *setup) 2053 { 2054 u8 *new_ie; 2055 const u8 *old_ie; 2056 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 2057 struct ieee80211_sub_if_data, u.mesh); 2058 int i; 2059 2060 /* allocate information elements */ 2061 new_ie = NULL; 2062 old_ie = ifmsh->ie; 2063 2064 if (setup->ie_len) { 2065 new_ie = kmemdup(setup->ie, setup->ie_len, 2066 GFP_KERNEL); 2067 if (!new_ie) 2068 return -ENOMEM; 2069 } 2070 ifmsh->ie_len = setup->ie_len; 2071 ifmsh->ie = new_ie; 2072 kfree(old_ie); 2073 2074 /* now copy the rest of the setup parameters */ 2075 ifmsh->mesh_id_len = setup->mesh_id_len; 2076 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 2077 ifmsh->mesh_sp_id = setup->sync_method; 2078 ifmsh->mesh_pp_id = setup->path_sel_proto; 2079 ifmsh->mesh_pm_id = setup->path_metric; 2080 ifmsh->user_mpm = setup->user_mpm; 2081 ifmsh->mesh_auth_id = setup->auth_id; 2082 ifmsh->security = IEEE80211_MESH_SEC_NONE; 2083 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs; 2084 if (setup->is_authenticated) 2085 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 2086 if (setup->is_secure) 2087 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 2088 2089 /* mcast rate setting in Mesh Node */ 2090 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 2091 sizeof(setup->mcast_rate)); 2092 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 2093 2094 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 2095 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 2096 2097 sdata->beacon_rate_set = false; 2098 if (wiphy_ext_feature_isset(sdata->local->hw.wiphy, 2099 NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) { 2100 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2101 sdata->beacon_rateidx_mask[i] = 2102 setup->beacon_rate.control[i].legacy; 2103 if (sdata->beacon_rateidx_mask[i]) 2104 sdata->beacon_rate_set = true; 2105 } 2106 } 2107 2108 return 0; 2109 } 2110 2111 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 2112 struct net_device *dev, u32 mask, 2113 const struct mesh_config *nconf) 2114 { 2115 struct mesh_config *conf; 2116 struct ieee80211_sub_if_data *sdata; 2117 struct ieee80211_if_mesh *ifmsh; 2118 2119 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2120 ifmsh = &sdata->u.mesh; 2121 2122 /* Set the config options which we are interested in setting */ 2123 conf = &(sdata->u.mesh.mshcfg); 2124 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 2125 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 2126 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 2127 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 2128 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 2129 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 2130 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 2131 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 2132 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 2133 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 2134 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 2135 conf->dot11MeshTTL = nconf->dot11MeshTTL; 2136 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 2137 conf->element_ttl = nconf->element_ttl; 2138 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 2139 if (ifmsh->user_mpm) 2140 return -EBUSY; 2141 conf->auto_open_plinks = nconf->auto_open_plinks; 2142 } 2143 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 2144 conf->dot11MeshNbrOffsetMaxNeighbor = 2145 nconf->dot11MeshNbrOffsetMaxNeighbor; 2146 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 2147 conf->dot11MeshHWMPmaxPREQretries = 2148 nconf->dot11MeshHWMPmaxPREQretries; 2149 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 2150 conf->path_refresh_time = nconf->path_refresh_time; 2151 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 2152 conf->min_discovery_timeout = nconf->min_discovery_timeout; 2153 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 2154 conf->dot11MeshHWMPactivePathTimeout = 2155 nconf->dot11MeshHWMPactivePathTimeout; 2156 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 2157 conf->dot11MeshHWMPpreqMinInterval = 2158 nconf->dot11MeshHWMPpreqMinInterval; 2159 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 2160 conf->dot11MeshHWMPperrMinInterval = 2161 nconf->dot11MeshHWMPperrMinInterval; 2162 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 2163 mask)) 2164 conf->dot11MeshHWMPnetDiameterTraversalTime = 2165 nconf->dot11MeshHWMPnetDiameterTraversalTime; 2166 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 2167 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 2168 ieee80211_mesh_root_setup(ifmsh); 2169 } 2170 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 2171 /* our current gate announcement implementation rides on root 2172 * announcements, so require this ifmsh to also be a root node 2173 * */ 2174 if (nconf->dot11MeshGateAnnouncementProtocol && 2175 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 2176 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 2177 ieee80211_mesh_root_setup(ifmsh); 2178 } 2179 conf->dot11MeshGateAnnouncementProtocol = 2180 nconf->dot11MeshGateAnnouncementProtocol; 2181 } 2182 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 2183 conf->dot11MeshHWMPRannInterval = 2184 nconf->dot11MeshHWMPRannInterval; 2185 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 2186 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 2187 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 2188 /* our RSSI threshold implementation is supported only for 2189 * devices that report signal in dBm. 2190 */ 2191 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 2192 return -ENOTSUPP; 2193 conf->rssi_threshold = nconf->rssi_threshold; 2194 } 2195 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 2196 conf->ht_opmode = nconf->ht_opmode; 2197 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 2198 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 2199 } 2200 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 2201 conf->dot11MeshHWMPactivePathToRootTimeout = 2202 nconf->dot11MeshHWMPactivePathToRootTimeout; 2203 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 2204 conf->dot11MeshHWMProotInterval = 2205 nconf->dot11MeshHWMProotInterval; 2206 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 2207 conf->dot11MeshHWMPconfirmationInterval = 2208 nconf->dot11MeshHWMPconfirmationInterval; 2209 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 2210 conf->power_mode = nconf->power_mode; 2211 ieee80211_mps_local_status_update(sdata); 2212 } 2213 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 2214 conf->dot11MeshAwakeWindowDuration = 2215 nconf->dot11MeshAwakeWindowDuration; 2216 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 2217 conf->plink_timeout = nconf->plink_timeout; 2218 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask)) 2219 conf->dot11MeshConnectedToMeshGate = 2220 nconf->dot11MeshConnectedToMeshGate; 2221 if (_chg_mesh_attr(NL80211_MESHCONF_NOLEARN, mask)) 2222 conf->dot11MeshNolearn = nconf->dot11MeshNolearn; 2223 if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_AS, mask)) 2224 conf->dot11MeshConnectedToAuthServer = 2225 nconf->dot11MeshConnectedToAuthServer; 2226 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 2227 return 0; 2228 } 2229 2230 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 2231 const struct mesh_config *conf, 2232 const struct mesh_setup *setup) 2233 { 2234 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2235 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 2236 int err; 2237 2238 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 2239 err = copy_mesh_setup(ifmsh, setup); 2240 if (err) 2241 return err; 2242 2243 sdata->control_port_over_nl80211 = setup->control_port_over_nl80211; 2244 2245 /* can mesh use other SMPS modes? */ 2246 sdata->smps_mode = IEEE80211_SMPS_OFF; 2247 sdata->needed_rx_chains = sdata->local->rx_chains; 2248 2249 mutex_lock(&sdata->local->mtx); 2250 err = ieee80211_vif_use_channel(sdata, &setup->chandef, 2251 IEEE80211_CHANCTX_SHARED); 2252 mutex_unlock(&sdata->local->mtx); 2253 if (err) 2254 return err; 2255 2256 return ieee80211_start_mesh(sdata); 2257 } 2258 2259 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2260 { 2261 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2262 2263 ieee80211_stop_mesh(sdata); 2264 mutex_lock(&sdata->local->mtx); 2265 ieee80211_vif_release_channel(sdata); 2266 kfree(sdata->u.mesh.ie); 2267 mutex_unlock(&sdata->local->mtx); 2268 2269 return 0; 2270 } 2271 #endif 2272 2273 static int ieee80211_change_bss(struct wiphy *wiphy, 2274 struct net_device *dev, 2275 struct bss_parameters *params) 2276 { 2277 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2278 struct ieee80211_supported_band *sband; 2279 u32 changed = 0; 2280 2281 if (!sdata_dereference(sdata->u.ap.beacon, sdata)) 2282 return -ENOENT; 2283 2284 sband = ieee80211_get_sband(sdata); 2285 if (!sband) 2286 return -EINVAL; 2287 2288 if (params->use_cts_prot >= 0) { 2289 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 2290 changed |= BSS_CHANGED_ERP_CTS_PROT; 2291 } 2292 if (params->use_short_preamble >= 0) { 2293 sdata->vif.bss_conf.use_short_preamble = 2294 params->use_short_preamble; 2295 changed |= BSS_CHANGED_ERP_PREAMBLE; 2296 } 2297 2298 if (!sdata->vif.bss_conf.use_short_slot && 2299 (sband->band == NL80211_BAND_5GHZ || 2300 sband->band == NL80211_BAND_6GHZ)) { 2301 sdata->vif.bss_conf.use_short_slot = true; 2302 changed |= BSS_CHANGED_ERP_SLOT; 2303 } 2304 2305 if (params->use_short_slot_time >= 0) { 2306 sdata->vif.bss_conf.use_short_slot = 2307 params->use_short_slot_time; 2308 changed |= BSS_CHANGED_ERP_SLOT; 2309 } 2310 2311 if (params->basic_rates) { 2312 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 2313 wiphy->bands[sband->band], 2314 params->basic_rates, 2315 params->basic_rates_len, 2316 &sdata->vif.bss_conf.basic_rates); 2317 changed |= BSS_CHANGED_BASIC_RATES; 2318 ieee80211_check_rate_mask(sdata); 2319 } 2320 2321 if (params->ap_isolate >= 0) { 2322 if (params->ap_isolate) 2323 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2324 else 2325 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2326 ieee80211_check_fast_rx_iface(sdata); 2327 } 2328 2329 if (params->ht_opmode >= 0) { 2330 sdata->vif.bss_conf.ht_operation_mode = 2331 (u16) params->ht_opmode; 2332 changed |= BSS_CHANGED_HT; 2333 } 2334 2335 if (params->p2p_ctwindow >= 0) { 2336 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2337 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2338 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2339 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2340 changed |= BSS_CHANGED_P2P_PS; 2341 } 2342 2343 if (params->p2p_opp_ps > 0) { 2344 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2345 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2346 changed |= BSS_CHANGED_P2P_PS; 2347 } else if (params->p2p_opp_ps == 0) { 2348 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2349 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2350 changed |= BSS_CHANGED_P2P_PS; 2351 } 2352 2353 ieee80211_bss_info_change_notify(sdata, changed); 2354 2355 return 0; 2356 } 2357 2358 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2359 struct net_device *dev, 2360 struct ieee80211_txq_params *params) 2361 { 2362 struct ieee80211_local *local = wiphy_priv(wiphy); 2363 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2364 struct ieee80211_tx_queue_params p; 2365 2366 if (!local->ops->conf_tx) 2367 return -EOPNOTSUPP; 2368 2369 if (local->hw.queues < IEEE80211_NUM_ACS) 2370 return -EOPNOTSUPP; 2371 2372 memset(&p, 0, sizeof(p)); 2373 p.aifs = params->aifs; 2374 p.cw_max = params->cwmax; 2375 p.cw_min = params->cwmin; 2376 p.txop = params->txop; 2377 2378 /* 2379 * Setting tx queue params disables u-apsd because it's only 2380 * called in master mode. 2381 */ 2382 p.uapsd = false; 2383 2384 ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac); 2385 2386 sdata->tx_conf[params->ac] = p; 2387 if (drv_conf_tx(local, sdata, params->ac, &p)) { 2388 wiphy_debug(local->hw.wiphy, 2389 "failed to set TX queue parameters for AC %d\n", 2390 params->ac); 2391 return -EINVAL; 2392 } 2393 2394 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 2395 2396 return 0; 2397 } 2398 2399 #ifdef CONFIG_PM 2400 static int ieee80211_suspend(struct wiphy *wiphy, 2401 struct cfg80211_wowlan *wowlan) 2402 { 2403 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2404 } 2405 2406 static int ieee80211_resume(struct wiphy *wiphy) 2407 { 2408 return __ieee80211_resume(wiphy_priv(wiphy)); 2409 } 2410 #else 2411 #define ieee80211_suspend NULL 2412 #define ieee80211_resume NULL 2413 #endif 2414 2415 static int ieee80211_scan(struct wiphy *wiphy, 2416 struct cfg80211_scan_request *req) 2417 { 2418 struct ieee80211_sub_if_data *sdata; 2419 2420 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2421 2422 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2423 case NL80211_IFTYPE_STATION: 2424 case NL80211_IFTYPE_ADHOC: 2425 case NL80211_IFTYPE_MESH_POINT: 2426 case NL80211_IFTYPE_P2P_CLIENT: 2427 case NL80211_IFTYPE_P2P_DEVICE: 2428 break; 2429 case NL80211_IFTYPE_P2P_GO: 2430 if (sdata->local->ops->hw_scan) 2431 break; 2432 /* 2433 * FIXME: implement NoA while scanning in software, 2434 * for now fall through to allow scanning only when 2435 * beaconing hasn't been configured yet 2436 */ 2437 fallthrough; 2438 case NL80211_IFTYPE_AP: 2439 /* 2440 * If the scan has been forced (and the driver supports 2441 * forcing), don't care about being beaconing already. 2442 * This will create problems to the attached stations (e.g. all 2443 * the frames sent while scanning on other channel will be 2444 * lost) 2445 */ 2446 if (sdata->u.ap.beacon && 2447 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2448 !(req->flags & NL80211_SCAN_FLAG_AP))) 2449 return -EOPNOTSUPP; 2450 break; 2451 case NL80211_IFTYPE_NAN: 2452 default: 2453 return -EOPNOTSUPP; 2454 } 2455 2456 return ieee80211_request_scan(sdata, req); 2457 } 2458 2459 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2460 { 2461 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2462 } 2463 2464 static int 2465 ieee80211_sched_scan_start(struct wiphy *wiphy, 2466 struct net_device *dev, 2467 struct cfg80211_sched_scan_request *req) 2468 { 2469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2470 2471 if (!sdata->local->ops->sched_scan_start) 2472 return -EOPNOTSUPP; 2473 2474 return ieee80211_request_sched_scan_start(sdata, req); 2475 } 2476 2477 static int 2478 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev, 2479 u64 reqid) 2480 { 2481 struct ieee80211_local *local = wiphy_priv(wiphy); 2482 2483 if (!local->ops->sched_scan_stop) 2484 return -EOPNOTSUPP; 2485 2486 return ieee80211_request_sched_scan_stop(local); 2487 } 2488 2489 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2490 struct cfg80211_auth_request *req) 2491 { 2492 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2493 } 2494 2495 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2496 struct cfg80211_assoc_request *req) 2497 { 2498 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2499 } 2500 2501 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2502 struct cfg80211_deauth_request *req) 2503 { 2504 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2505 } 2506 2507 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2508 struct cfg80211_disassoc_request *req) 2509 { 2510 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2511 } 2512 2513 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2514 struct cfg80211_ibss_params *params) 2515 { 2516 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2517 } 2518 2519 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2520 { 2521 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2522 } 2523 2524 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2525 struct ocb_setup *setup) 2526 { 2527 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2528 } 2529 2530 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2531 { 2532 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2533 } 2534 2535 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2536 int rate[NUM_NL80211_BANDS]) 2537 { 2538 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2539 2540 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2541 sizeof(int) * NUM_NL80211_BANDS); 2542 2543 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE); 2544 2545 return 0; 2546 } 2547 2548 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2549 { 2550 struct ieee80211_local *local = wiphy_priv(wiphy); 2551 int err; 2552 2553 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2554 ieee80211_check_fast_xmit_all(local); 2555 2556 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2557 2558 if (err) { 2559 ieee80211_check_fast_xmit_all(local); 2560 return err; 2561 } 2562 } 2563 2564 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2565 (changed & WIPHY_PARAM_DYN_ACK)) { 2566 s16 coverage_class; 2567 2568 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2569 wiphy->coverage_class : -1; 2570 err = drv_set_coverage_class(local, coverage_class); 2571 2572 if (err) 2573 return err; 2574 } 2575 2576 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2577 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2578 2579 if (err) 2580 return err; 2581 } 2582 2583 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2584 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2585 return -EINVAL; 2586 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2587 } 2588 if (changed & WIPHY_PARAM_RETRY_LONG) { 2589 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2590 return -EINVAL; 2591 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2592 } 2593 if (changed & 2594 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2595 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2596 2597 if (changed & (WIPHY_PARAM_TXQ_LIMIT | 2598 WIPHY_PARAM_TXQ_MEMORY_LIMIT | 2599 WIPHY_PARAM_TXQ_QUANTUM)) 2600 ieee80211_txq_set_params(local); 2601 2602 return 0; 2603 } 2604 2605 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2606 struct wireless_dev *wdev, 2607 enum nl80211_tx_power_setting type, int mbm) 2608 { 2609 struct ieee80211_local *local = wiphy_priv(wiphy); 2610 struct ieee80211_sub_if_data *sdata; 2611 enum nl80211_tx_power_setting txp_type = type; 2612 bool update_txp_type = false; 2613 bool has_monitor = false; 2614 2615 if (wdev) { 2616 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2617 2618 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2619 sdata = rtnl_dereference(local->monitor_sdata); 2620 if (!sdata) 2621 return -EOPNOTSUPP; 2622 } 2623 2624 switch (type) { 2625 case NL80211_TX_POWER_AUTOMATIC: 2626 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2627 txp_type = NL80211_TX_POWER_LIMITED; 2628 break; 2629 case NL80211_TX_POWER_LIMITED: 2630 case NL80211_TX_POWER_FIXED: 2631 if (mbm < 0 || (mbm % 100)) 2632 return -EOPNOTSUPP; 2633 sdata->user_power_level = MBM_TO_DBM(mbm); 2634 break; 2635 } 2636 2637 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2638 update_txp_type = true; 2639 sdata->vif.bss_conf.txpower_type = txp_type; 2640 } 2641 2642 ieee80211_recalc_txpower(sdata, update_txp_type); 2643 2644 return 0; 2645 } 2646 2647 switch (type) { 2648 case NL80211_TX_POWER_AUTOMATIC: 2649 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2650 txp_type = NL80211_TX_POWER_LIMITED; 2651 break; 2652 case NL80211_TX_POWER_LIMITED: 2653 case NL80211_TX_POWER_FIXED: 2654 if (mbm < 0 || (mbm % 100)) 2655 return -EOPNOTSUPP; 2656 local->user_power_level = MBM_TO_DBM(mbm); 2657 break; 2658 } 2659 2660 mutex_lock(&local->iflist_mtx); 2661 list_for_each_entry(sdata, &local->interfaces, list) { 2662 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 2663 has_monitor = true; 2664 continue; 2665 } 2666 sdata->user_power_level = local->user_power_level; 2667 if (txp_type != sdata->vif.bss_conf.txpower_type) 2668 update_txp_type = true; 2669 sdata->vif.bss_conf.txpower_type = txp_type; 2670 } 2671 list_for_each_entry(sdata, &local->interfaces, list) { 2672 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) 2673 continue; 2674 ieee80211_recalc_txpower(sdata, update_txp_type); 2675 } 2676 mutex_unlock(&local->iflist_mtx); 2677 2678 if (has_monitor) { 2679 sdata = rtnl_dereference(local->monitor_sdata); 2680 if (sdata) { 2681 sdata->user_power_level = local->user_power_level; 2682 if (txp_type != sdata->vif.bss_conf.txpower_type) 2683 update_txp_type = true; 2684 sdata->vif.bss_conf.txpower_type = txp_type; 2685 2686 ieee80211_recalc_txpower(sdata, update_txp_type); 2687 } 2688 } 2689 2690 return 0; 2691 } 2692 2693 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2694 struct wireless_dev *wdev, 2695 int *dbm) 2696 { 2697 struct ieee80211_local *local = wiphy_priv(wiphy); 2698 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2699 2700 if (local->ops->get_txpower) 2701 return drv_get_txpower(local, sdata, dbm); 2702 2703 if (!local->use_chanctx) 2704 *dbm = local->hw.conf.power_level; 2705 else 2706 *dbm = sdata->vif.bss_conf.txpower; 2707 2708 return 0; 2709 } 2710 2711 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 2712 const u8 *addr) 2713 { 2714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2715 2716 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 2717 2718 return 0; 2719 } 2720 2721 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2722 { 2723 struct ieee80211_local *local = wiphy_priv(wiphy); 2724 2725 drv_rfkill_poll(local); 2726 } 2727 2728 #ifdef CONFIG_NL80211_TESTMODE 2729 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 2730 struct wireless_dev *wdev, 2731 void *data, int len) 2732 { 2733 struct ieee80211_local *local = wiphy_priv(wiphy); 2734 struct ieee80211_vif *vif = NULL; 2735 2736 if (!local->ops->testmode_cmd) 2737 return -EOPNOTSUPP; 2738 2739 if (wdev) { 2740 struct ieee80211_sub_if_data *sdata; 2741 2742 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2743 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 2744 vif = &sdata->vif; 2745 } 2746 2747 return local->ops->testmode_cmd(&local->hw, vif, data, len); 2748 } 2749 2750 static int ieee80211_testmode_dump(struct wiphy *wiphy, 2751 struct sk_buff *skb, 2752 struct netlink_callback *cb, 2753 void *data, int len) 2754 { 2755 struct ieee80211_local *local = wiphy_priv(wiphy); 2756 2757 if (!local->ops->testmode_dump) 2758 return -EOPNOTSUPP; 2759 2760 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2761 } 2762 #endif 2763 2764 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2765 enum ieee80211_smps_mode smps_mode) 2766 { 2767 const u8 *ap; 2768 enum ieee80211_smps_mode old_req; 2769 int err; 2770 struct sta_info *sta; 2771 bool tdls_peer_found = false; 2772 2773 lockdep_assert_held(&sdata->wdev.mtx); 2774 2775 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 2776 return -EINVAL; 2777 2778 old_req = sdata->u.mgd.req_smps; 2779 sdata->u.mgd.req_smps = smps_mode; 2780 2781 if (old_req == smps_mode && 2782 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2783 return 0; 2784 2785 /* 2786 * If not associated, or current association is not an HT 2787 * association, there's no need to do anything, just store 2788 * the new value until we associate. 2789 */ 2790 if (!sdata->u.mgd.associated || 2791 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2792 return 0; 2793 2794 ap = sdata->u.mgd.associated->bssid; 2795 2796 rcu_read_lock(); 2797 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 2798 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 2799 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2800 continue; 2801 2802 tdls_peer_found = true; 2803 break; 2804 } 2805 rcu_read_unlock(); 2806 2807 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2808 if (tdls_peer_found || !sdata->u.mgd.powersave) 2809 smps_mode = IEEE80211_SMPS_OFF; 2810 else 2811 smps_mode = IEEE80211_SMPS_DYNAMIC; 2812 } 2813 2814 /* send SM PS frame to AP */ 2815 err = ieee80211_send_smps_action(sdata, smps_mode, 2816 ap, ap); 2817 if (err) 2818 sdata->u.mgd.req_smps = old_req; 2819 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 2820 ieee80211_teardown_tdls_peers(sdata); 2821 2822 return err; 2823 } 2824 2825 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2826 bool enabled, int timeout) 2827 { 2828 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2829 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2830 2831 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2832 return -EOPNOTSUPP; 2833 2834 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 2835 return -EOPNOTSUPP; 2836 2837 if (enabled == sdata->u.mgd.powersave && 2838 timeout == local->dynamic_ps_forced_timeout) 2839 return 0; 2840 2841 sdata->u.mgd.powersave = enabled; 2842 local->dynamic_ps_forced_timeout = timeout; 2843 2844 /* no change, but if automatic follow powersave */ 2845 sdata_lock(sdata); 2846 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); 2847 sdata_unlock(sdata); 2848 2849 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 2850 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2851 2852 ieee80211_recalc_ps(local); 2853 ieee80211_recalc_ps_vif(sdata); 2854 ieee80211_check_fast_rx_iface(sdata); 2855 2856 return 0; 2857 } 2858 2859 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2860 struct net_device *dev, 2861 s32 rssi_thold, u32 rssi_hyst) 2862 { 2863 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2864 struct ieee80211_vif *vif = &sdata->vif; 2865 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2866 2867 if (rssi_thold == bss_conf->cqm_rssi_thold && 2868 rssi_hyst == bss_conf->cqm_rssi_hyst) 2869 return 0; 2870 2871 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 2872 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 2873 return -EOPNOTSUPP; 2874 2875 bss_conf->cqm_rssi_thold = rssi_thold; 2876 bss_conf->cqm_rssi_hyst = rssi_hyst; 2877 bss_conf->cqm_rssi_low = 0; 2878 bss_conf->cqm_rssi_high = 0; 2879 sdata->u.mgd.last_cqm_event_signal = 0; 2880 2881 /* tell the driver upon association, unless already associated */ 2882 if (sdata->u.mgd.associated && 2883 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2884 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2885 2886 return 0; 2887 } 2888 2889 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy, 2890 struct net_device *dev, 2891 s32 rssi_low, s32 rssi_high) 2892 { 2893 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2894 struct ieee80211_vif *vif = &sdata->vif; 2895 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2896 2897 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER) 2898 return -EOPNOTSUPP; 2899 2900 bss_conf->cqm_rssi_low = rssi_low; 2901 bss_conf->cqm_rssi_high = rssi_high; 2902 bss_conf->cqm_rssi_thold = 0; 2903 bss_conf->cqm_rssi_hyst = 0; 2904 sdata->u.mgd.last_cqm_event_signal = 0; 2905 2906 /* tell the driver upon association, unless already associated */ 2907 if (sdata->u.mgd.associated && 2908 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2909 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2910 2911 return 0; 2912 } 2913 2914 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2915 struct net_device *dev, 2916 const u8 *addr, 2917 const struct cfg80211_bitrate_mask *mask) 2918 { 2919 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2920 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2921 int i, ret; 2922 2923 if (!ieee80211_sdata_running(sdata)) 2924 return -ENETDOWN; 2925 2926 /* 2927 * If active validate the setting and reject it if it doesn't leave 2928 * at least one basic rate usable, since we really have to be able 2929 * to send something, and if we're an AP we have to be able to do 2930 * so at a basic rate so that all clients can receive it. 2931 */ 2932 if (rcu_access_pointer(sdata->vif.chanctx_conf) && 2933 sdata->vif.bss_conf.chandef.chan) { 2934 u32 basic_rates = sdata->vif.bss_conf.basic_rates; 2935 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band; 2936 2937 if (!(mask->control[band].legacy & basic_rates)) 2938 return -EINVAL; 2939 } 2940 2941 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 2942 ret = drv_set_bitrate_mask(local, sdata, mask); 2943 if (ret) 2944 return ret; 2945 } 2946 2947 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2948 struct ieee80211_supported_band *sband = wiphy->bands[i]; 2949 int j; 2950 2951 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2952 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 2953 sizeof(mask->control[i].ht_mcs)); 2954 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 2955 mask->control[i].vht_mcs, 2956 sizeof(mask->control[i].vht_mcs)); 2957 2958 sdata->rc_has_mcs_mask[i] = false; 2959 sdata->rc_has_vht_mcs_mask[i] = false; 2960 if (!sband) 2961 continue; 2962 2963 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 2964 if (~sdata->rc_rateidx_mcs_mask[i][j]) { 2965 sdata->rc_has_mcs_mask[i] = true; 2966 break; 2967 } 2968 } 2969 2970 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 2971 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { 2972 sdata->rc_has_vht_mcs_mask[i] = true; 2973 break; 2974 } 2975 } 2976 } 2977 2978 return 0; 2979 } 2980 2981 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 2982 struct net_device *dev, 2983 struct cfg80211_chan_def *chandef, 2984 u32 cac_time_ms) 2985 { 2986 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2987 struct ieee80211_local *local = sdata->local; 2988 int err; 2989 2990 mutex_lock(&local->mtx); 2991 if (!list_empty(&local->roc_list) || local->scanning) { 2992 err = -EBUSY; 2993 goto out_unlock; 2994 } 2995 2996 /* whatever, but channel contexts should not complain about that one */ 2997 sdata->smps_mode = IEEE80211_SMPS_OFF; 2998 sdata->needed_rx_chains = local->rx_chains; 2999 3000 err = ieee80211_vif_use_channel(sdata, chandef, 3001 IEEE80211_CHANCTX_SHARED); 3002 if (err) 3003 goto out_unlock; 3004 3005 ieee80211_queue_delayed_work(&sdata->local->hw, 3006 &sdata->dfs_cac_timer_work, 3007 msecs_to_jiffies(cac_time_ms)); 3008 3009 out_unlock: 3010 mutex_unlock(&local->mtx); 3011 return err; 3012 } 3013 3014 static void ieee80211_end_cac(struct wiphy *wiphy, 3015 struct net_device *dev) 3016 { 3017 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3018 struct ieee80211_local *local = sdata->local; 3019 3020 mutex_lock(&local->mtx); 3021 list_for_each_entry(sdata, &local->interfaces, list) { 3022 /* it might be waiting for the local->mtx, but then 3023 * by the time it gets it, sdata->wdev.cac_started 3024 * will no longer be true 3025 */ 3026 cancel_delayed_work(&sdata->dfs_cac_timer_work); 3027 3028 if (sdata->wdev.cac_started) { 3029 ieee80211_vif_release_channel(sdata); 3030 sdata->wdev.cac_started = false; 3031 } 3032 } 3033 mutex_unlock(&local->mtx); 3034 } 3035 3036 static struct cfg80211_beacon_data * 3037 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 3038 { 3039 struct cfg80211_beacon_data *new_beacon; 3040 u8 *pos; 3041 int len; 3042 3043 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 3044 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 3045 beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len; 3046 3047 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 3048 if (!new_beacon) 3049 return NULL; 3050 3051 pos = (u8 *)(new_beacon + 1); 3052 if (beacon->head_len) { 3053 new_beacon->head_len = beacon->head_len; 3054 new_beacon->head = pos; 3055 memcpy(pos, beacon->head, beacon->head_len); 3056 pos += beacon->head_len; 3057 } 3058 if (beacon->tail_len) { 3059 new_beacon->tail_len = beacon->tail_len; 3060 new_beacon->tail = pos; 3061 memcpy(pos, beacon->tail, beacon->tail_len); 3062 pos += beacon->tail_len; 3063 } 3064 if (beacon->beacon_ies_len) { 3065 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 3066 new_beacon->beacon_ies = pos; 3067 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 3068 pos += beacon->beacon_ies_len; 3069 } 3070 if (beacon->proberesp_ies_len) { 3071 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 3072 new_beacon->proberesp_ies = pos; 3073 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 3074 pos += beacon->proberesp_ies_len; 3075 } 3076 if (beacon->assocresp_ies_len) { 3077 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 3078 new_beacon->assocresp_ies = pos; 3079 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 3080 pos += beacon->assocresp_ies_len; 3081 } 3082 if (beacon->probe_resp_len) { 3083 new_beacon->probe_resp_len = beacon->probe_resp_len; 3084 new_beacon->probe_resp = pos; 3085 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 3086 pos += beacon->probe_resp_len; 3087 } 3088 3089 /* might copy -1, meaning no changes requested */ 3090 new_beacon->ftm_responder = beacon->ftm_responder; 3091 if (beacon->lci) { 3092 new_beacon->lci_len = beacon->lci_len; 3093 new_beacon->lci = pos; 3094 memcpy(pos, beacon->lci, beacon->lci_len); 3095 pos += beacon->lci_len; 3096 } 3097 if (beacon->civicloc) { 3098 new_beacon->civicloc_len = beacon->civicloc_len; 3099 new_beacon->civicloc = pos; 3100 memcpy(pos, beacon->civicloc, beacon->civicloc_len); 3101 pos += beacon->civicloc_len; 3102 } 3103 3104 return new_beacon; 3105 } 3106 3107 void ieee80211_csa_finish(struct ieee80211_vif *vif) 3108 { 3109 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3110 3111 ieee80211_queue_work(&sdata->local->hw, 3112 &sdata->csa_finalize_work); 3113 } 3114 EXPORT_SYMBOL(ieee80211_csa_finish); 3115 3116 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 3117 u32 *changed) 3118 { 3119 int err; 3120 3121 switch (sdata->vif.type) { 3122 case NL80211_IFTYPE_AP: 3123 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, 3124 NULL); 3125 kfree(sdata->u.ap.next_beacon); 3126 sdata->u.ap.next_beacon = NULL; 3127 3128 if (err < 0) 3129 return err; 3130 *changed |= err; 3131 break; 3132 case NL80211_IFTYPE_ADHOC: 3133 err = ieee80211_ibss_finish_csa(sdata); 3134 if (err < 0) 3135 return err; 3136 *changed |= err; 3137 break; 3138 #ifdef CONFIG_MAC80211_MESH 3139 case NL80211_IFTYPE_MESH_POINT: 3140 err = ieee80211_mesh_finish_csa(sdata); 3141 if (err < 0) 3142 return err; 3143 *changed |= err; 3144 break; 3145 #endif 3146 default: 3147 WARN_ON(1); 3148 return -EINVAL; 3149 } 3150 3151 return 0; 3152 } 3153 3154 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3155 { 3156 struct ieee80211_local *local = sdata->local; 3157 u32 changed = 0; 3158 int err; 3159 3160 sdata_assert_lock(sdata); 3161 lockdep_assert_held(&local->mtx); 3162 lockdep_assert_held(&local->chanctx_mtx); 3163 3164 /* 3165 * using reservation isn't immediate as it may be deferred until later 3166 * with multi-vif. once reservation is complete it will re-schedule the 3167 * work with no reserved_chanctx so verify chandef to check if it 3168 * completed successfully 3169 */ 3170 3171 if (sdata->reserved_chanctx) { 3172 /* 3173 * with multi-vif csa driver may call ieee80211_csa_finish() 3174 * many times while waiting for other interfaces to use their 3175 * reservations 3176 */ 3177 if (sdata->reserved_ready) 3178 return 0; 3179 3180 return ieee80211_vif_use_reserved_context(sdata); 3181 } 3182 3183 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 3184 &sdata->csa_chandef)) 3185 return -EINVAL; 3186 3187 sdata->vif.csa_active = false; 3188 3189 err = ieee80211_set_after_csa_beacon(sdata, &changed); 3190 if (err) 3191 return err; 3192 3193 ieee80211_bss_info_change_notify(sdata, changed); 3194 3195 if (sdata->csa_block_tx) { 3196 ieee80211_wake_vif_queues(local, sdata, 3197 IEEE80211_QUEUE_STOP_REASON_CSA); 3198 sdata->csa_block_tx = false; 3199 } 3200 3201 err = drv_post_channel_switch(sdata); 3202 if (err) 3203 return err; 3204 3205 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); 3206 3207 return 0; 3208 } 3209 3210 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 3211 { 3212 if (__ieee80211_csa_finalize(sdata)) { 3213 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 3214 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 3215 GFP_KERNEL); 3216 } 3217 } 3218 3219 void ieee80211_csa_finalize_work(struct work_struct *work) 3220 { 3221 struct ieee80211_sub_if_data *sdata = 3222 container_of(work, struct ieee80211_sub_if_data, 3223 csa_finalize_work); 3224 struct ieee80211_local *local = sdata->local; 3225 3226 sdata_lock(sdata); 3227 mutex_lock(&local->mtx); 3228 mutex_lock(&local->chanctx_mtx); 3229 3230 /* AP might have been stopped while waiting for the lock. */ 3231 if (!sdata->vif.csa_active) 3232 goto unlock; 3233 3234 if (!ieee80211_sdata_running(sdata)) 3235 goto unlock; 3236 3237 ieee80211_csa_finalize(sdata); 3238 3239 unlock: 3240 mutex_unlock(&local->chanctx_mtx); 3241 mutex_unlock(&local->mtx); 3242 sdata_unlock(sdata); 3243 } 3244 3245 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 3246 struct cfg80211_csa_settings *params, 3247 u32 *changed) 3248 { 3249 struct ieee80211_csa_settings csa = {}; 3250 int err; 3251 3252 switch (sdata->vif.type) { 3253 case NL80211_IFTYPE_AP: 3254 sdata->u.ap.next_beacon = 3255 cfg80211_beacon_dup(¶ms->beacon_after); 3256 if (!sdata->u.ap.next_beacon) 3257 return -ENOMEM; 3258 3259 /* 3260 * With a count of 0, we don't have to wait for any 3261 * TBTT before switching, so complete the CSA 3262 * immediately. In theory, with a count == 1 we 3263 * should delay the switch until just before the next 3264 * TBTT, but that would complicate things so we switch 3265 * immediately too. If we would delay the switch 3266 * until the next TBTT, we would have to set the probe 3267 * response here. 3268 * 3269 * TODO: A channel switch with count <= 1 without 3270 * sending a CSA action frame is kind of useless, 3271 * because the clients won't know we're changing 3272 * channels. The action frame must be implemented 3273 * either here or in the userspace. 3274 */ 3275 if (params->count <= 1) 3276 break; 3277 3278 if ((params->n_counter_offsets_beacon > 3279 IEEE80211_MAX_CNTDWN_COUNTERS_NUM) || 3280 (params->n_counter_offsets_presp > 3281 IEEE80211_MAX_CNTDWN_COUNTERS_NUM)) 3282 return -EINVAL; 3283 3284 csa.counter_offsets_beacon = params->counter_offsets_beacon; 3285 csa.counter_offsets_presp = params->counter_offsets_presp; 3286 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 3287 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 3288 csa.count = params->count; 3289 3290 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); 3291 if (err < 0) { 3292 kfree(sdata->u.ap.next_beacon); 3293 return err; 3294 } 3295 *changed |= err; 3296 3297 break; 3298 case NL80211_IFTYPE_ADHOC: 3299 if (!sdata->vif.bss_conf.ibss_joined) 3300 return -EINVAL; 3301 3302 if (params->chandef.width != sdata->u.ibss.chandef.width) 3303 return -EINVAL; 3304 3305 switch (params->chandef.width) { 3306 case NL80211_CHAN_WIDTH_40: 3307 if (cfg80211_get_chandef_type(¶ms->chandef) != 3308 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3309 return -EINVAL; 3310 case NL80211_CHAN_WIDTH_5: 3311 case NL80211_CHAN_WIDTH_10: 3312 case NL80211_CHAN_WIDTH_20_NOHT: 3313 case NL80211_CHAN_WIDTH_20: 3314 break; 3315 default: 3316 return -EINVAL; 3317 } 3318 3319 /* changes into another band are not supported */ 3320 if (sdata->u.ibss.chandef.chan->band != 3321 params->chandef.chan->band) 3322 return -EINVAL; 3323 3324 /* see comments in the NL80211_IFTYPE_AP block */ 3325 if (params->count > 1) { 3326 err = ieee80211_ibss_csa_beacon(sdata, params); 3327 if (err < 0) 3328 return err; 3329 *changed |= err; 3330 } 3331 3332 ieee80211_send_action_csa(sdata, params); 3333 3334 break; 3335 #ifdef CONFIG_MAC80211_MESH 3336 case NL80211_IFTYPE_MESH_POINT: { 3337 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3338 3339 if (params->chandef.width != sdata->vif.bss_conf.chandef.width) 3340 return -EINVAL; 3341 3342 /* changes into another band are not supported */ 3343 if (sdata->vif.bss_conf.chandef.chan->band != 3344 params->chandef.chan->band) 3345 return -EINVAL; 3346 3347 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3348 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3349 if (!ifmsh->pre_value) 3350 ifmsh->pre_value = 1; 3351 else 3352 ifmsh->pre_value++; 3353 } 3354 3355 /* see comments in the NL80211_IFTYPE_AP block */ 3356 if (params->count > 1) { 3357 err = ieee80211_mesh_csa_beacon(sdata, params); 3358 if (err < 0) { 3359 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3360 return err; 3361 } 3362 *changed |= err; 3363 } 3364 3365 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3366 ieee80211_send_action_csa(sdata, params); 3367 3368 break; 3369 } 3370 #endif 3371 default: 3372 return -EOPNOTSUPP; 3373 } 3374 3375 return 0; 3376 } 3377 3378 static int 3379 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3380 struct cfg80211_csa_settings *params) 3381 { 3382 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3383 struct ieee80211_local *local = sdata->local; 3384 struct ieee80211_channel_switch ch_switch; 3385 struct ieee80211_chanctx_conf *conf; 3386 struct ieee80211_chanctx *chanctx; 3387 u32 changed = 0; 3388 int err; 3389 3390 sdata_assert_lock(sdata); 3391 lockdep_assert_held(&local->mtx); 3392 3393 if (!list_empty(&local->roc_list) || local->scanning) 3394 return -EBUSY; 3395 3396 if (sdata->wdev.cac_started) 3397 return -EBUSY; 3398 3399 if (cfg80211_chandef_identical(¶ms->chandef, 3400 &sdata->vif.bss_conf.chandef)) 3401 return -EINVAL; 3402 3403 /* don't allow another channel switch if one is already active. */ 3404 if (sdata->vif.csa_active) 3405 return -EBUSY; 3406 3407 mutex_lock(&local->chanctx_mtx); 3408 conf = rcu_dereference_protected(sdata->vif.chanctx_conf, 3409 lockdep_is_held(&local->chanctx_mtx)); 3410 if (!conf) { 3411 err = -EBUSY; 3412 goto out; 3413 } 3414 3415 if (params->chandef.chan->freq_offset) { 3416 /* this may work, but is untested */ 3417 err = -EOPNOTSUPP; 3418 goto out; 3419 } 3420 3421 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3422 3423 ch_switch.timestamp = 0; 3424 ch_switch.device_timestamp = 0; 3425 ch_switch.block_tx = params->block_tx; 3426 ch_switch.chandef = params->chandef; 3427 ch_switch.count = params->count; 3428 3429 err = drv_pre_channel_switch(sdata, &ch_switch); 3430 if (err) 3431 goto out; 3432 3433 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, 3434 chanctx->mode, 3435 params->radar_required); 3436 if (err) 3437 goto out; 3438 3439 /* if reservation is invalid then this will fail */ 3440 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3441 if (err) { 3442 ieee80211_vif_unreserve_chanctx(sdata); 3443 goto out; 3444 } 3445 3446 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3447 if (err) { 3448 ieee80211_vif_unreserve_chanctx(sdata); 3449 goto out; 3450 } 3451 3452 sdata->csa_chandef = params->chandef; 3453 sdata->csa_block_tx = params->block_tx; 3454 sdata->vif.csa_active = true; 3455 3456 if (sdata->csa_block_tx) 3457 ieee80211_stop_vif_queues(local, sdata, 3458 IEEE80211_QUEUE_STOP_REASON_CSA); 3459 3460 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, 3461 params->count); 3462 3463 if (changed) { 3464 ieee80211_bss_info_change_notify(sdata, changed); 3465 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3466 } else { 3467 /* if the beacon didn't change, we can finalize immediately */ 3468 ieee80211_csa_finalize(sdata); 3469 } 3470 3471 out: 3472 mutex_unlock(&local->chanctx_mtx); 3473 return err; 3474 } 3475 3476 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3477 struct cfg80211_csa_settings *params) 3478 { 3479 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3480 struct ieee80211_local *local = sdata->local; 3481 int err; 3482 3483 mutex_lock(&local->mtx); 3484 err = __ieee80211_channel_switch(wiphy, dev, params); 3485 mutex_unlock(&local->mtx); 3486 3487 return err; 3488 } 3489 3490 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3491 { 3492 lockdep_assert_held(&local->mtx); 3493 3494 local->roc_cookie_counter++; 3495 3496 /* wow, you wrapped 64 bits ... more likely a bug */ 3497 if (WARN_ON(local->roc_cookie_counter == 0)) 3498 local->roc_cookie_counter++; 3499 3500 return local->roc_cookie_counter; 3501 } 3502 3503 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3504 u64 *cookie, gfp_t gfp) 3505 { 3506 unsigned long spin_flags; 3507 struct sk_buff *ack_skb; 3508 int id; 3509 3510 ack_skb = skb_copy(skb, gfp); 3511 if (!ack_skb) 3512 return -ENOMEM; 3513 3514 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3515 id = idr_alloc(&local->ack_status_frames, ack_skb, 3516 1, 0x2000, GFP_ATOMIC); 3517 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3518 3519 if (id < 0) { 3520 kfree_skb(ack_skb); 3521 return -ENOMEM; 3522 } 3523 3524 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3525 3526 *cookie = ieee80211_mgmt_tx_cookie(local); 3527 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3528 3529 return 0; 3530 } 3531 3532 static void 3533 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy, 3534 struct wireless_dev *wdev, 3535 struct mgmt_frame_regs *upd) 3536 { 3537 struct ieee80211_local *local = wiphy_priv(wiphy); 3538 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3539 u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4); 3540 u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4); 3541 bool global_change, intf_change; 3542 3543 global_change = 3544 (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) || 3545 (local->rx_mcast_action_reg != 3546 !!(upd->global_mcast_stypes & action_mask)); 3547 local->probe_req_reg = upd->global_stypes & preq_mask; 3548 local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask; 3549 3550 intf_change = (sdata->vif.probe_req_reg != 3551 !!(upd->interface_stypes & preq_mask)) || 3552 (sdata->vif.rx_mcast_action_reg != 3553 !!(upd->interface_mcast_stypes & action_mask)); 3554 sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask; 3555 sdata->vif.rx_mcast_action_reg = 3556 upd->interface_mcast_stypes & action_mask; 3557 3558 if (!local->open_count) 3559 return; 3560 3561 if (intf_change && ieee80211_sdata_running(sdata)) 3562 drv_config_iface_filter(local, sdata, 3563 sdata->vif.probe_req_reg ? 3564 FIF_PROBE_REQ : 0, 3565 FIF_PROBE_REQ); 3566 3567 if (global_change) 3568 ieee80211_configure_filter(local); 3569 } 3570 3571 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3572 { 3573 struct ieee80211_local *local = wiphy_priv(wiphy); 3574 3575 if (local->started) 3576 return -EOPNOTSUPP; 3577 3578 return drv_set_antenna(local, tx_ant, rx_ant); 3579 } 3580 3581 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3582 { 3583 struct ieee80211_local *local = wiphy_priv(wiphy); 3584 3585 return drv_get_antenna(local, tx_ant, rx_ant); 3586 } 3587 3588 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3589 struct net_device *dev, 3590 struct cfg80211_gtk_rekey_data *data) 3591 { 3592 struct ieee80211_local *local = wiphy_priv(wiphy); 3593 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3594 3595 if (!local->ops->set_rekey_data) 3596 return -EOPNOTSUPP; 3597 3598 drv_set_rekey_data(local, sdata, data); 3599 3600 return 0; 3601 } 3602 3603 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3604 const u8 *peer, u64 *cookie) 3605 { 3606 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3607 struct ieee80211_local *local = sdata->local; 3608 struct ieee80211_qos_hdr *nullfunc; 3609 struct sk_buff *skb; 3610 int size = sizeof(*nullfunc); 3611 __le16 fc; 3612 bool qos; 3613 struct ieee80211_tx_info *info; 3614 struct sta_info *sta; 3615 struct ieee80211_chanctx_conf *chanctx_conf; 3616 enum nl80211_band band; 3617 int ret; 3618 3619 /* the lock is needed to assign the cookie later */ 3620 mutex_lock(&local->mtx); 3621 3622 rcu_read_lock(); 3623 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3624 if (WARN_ON(!chanctx_conf)) { 3625 ret = -EINVAL; 3626 goto unlock; 3627 } 3628 band = chanctx_conf->def.chan->band; 3629 sta = sta_info_get_bss(sdata, peer); 3630 if (sta) { 3631 qos = sta->sta.wme; 3632 } else { 3633 ret = -ENOLINK; 3634 goto unlock; 3635 } 3636 3637 if (qos) { 3638 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3639 IEEE80211_STYPE_QOS_NULLFUNC | 3640 IEEE80211_FCTL_FROMDS); 3641 } else { 3642 size -= 2; 3643 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3644 IEEE80211_STYPE_NULLFUNC | 3645 IEEE80211_FCTL_FROMDS); 3646 } 3647 3648 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3649 if (!skb) { 3650 ret = -ENOMEM; 3651 goto unlock; 3652 } 3653 3654 skb->dev = dev; 3655 3656 skb_reserve(skb, local->hw.extra_tx_headroom); 3657 3658 nullfunc = skb_put(skb, size); 3659 nullfunc->frame_control = fc; 3660 nullfunc->duration_id = 0; 3661 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3662 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3663 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3664 nullfunc->seq_ctrl = 0; 3665 3666 info = IEEE80211_SKB_CB(skb); 3667 3668 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3669 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3670 info->band = band; 3671 3672 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3673 skb->priority = 7; 3674 if (qos) 3675 nullfunc->qos_ctrl = cpu_to_le16(7); 3676 3677 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 3678 if (ret) { 3679 kfree_skb(skb); 3680 goto unlock; 3681 } 3682 3683 local_bh_disable(); 3684 ieee80211_xmit(sdata, sta, skb); 3685 local_bh_enable(); 3686 3687 ret = 0; 3688 unlock: 3689 rcu_read_unlock(); 3690 mutex_unlock(&local->mtx); 3691 3692 return ret; 3693 } 3694 3695 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 3696 struct wireless_dev *wdev, 3697 struct cfg80211_chan_def *chandef) 3698 { 3699 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3700 struct ieee80211_local *local = wiphy_priv(wiphy); 3701 struct ieee80211_chanctx_conf *chanctx_conf; 3702 int ret = -ENODATA; 3703 3704 rcu_read_lock(); 3705 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3706 if (chanctx_conf) { 3707 *chandef = sdata->vif.bss_conf.chandef; 3708 ret = 0; 3709 } else if (local->open_count > 0 && 3710 local->open_count == local->monitors && 3711 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 3712 if (local->use_chanctx) 3713 *chandef = local->monitor_chandef; 3714 else 3715 *chandef = local->_oper_chandef; 3716 ret = 0; 3717 } 3718 rcu_read_unlock(); 3719 3720 return ret; 3721 } 3722 3723 #ifdef CONFIG_PM 3724 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3725 { 3726 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3727 } 3728 #endif 3729 3730 static int ieee80211_set_qos_map(struct wiphy *wiphy, 3731 struct net_device *dev, 3732 struct cfg80211_qos_map *qos_map) 3733 { 3734 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3735 struct mac80211_qos_map *new_qos_map, *old_qos_map; 3736 3737 if (qos_map) { 3738 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 3739 if (!new_qos_map) 3740 return -ENOMEM; 3741 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 3742 } else { 3743 /* A NULL qos_map was passed to disable QoS mapping */ 3744 new_qos_map = NULL; 3745 } 3746 3747 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 3748 rcu_assign_pointer(sdata->qos_map, new_qos_map); 3749 if (old_qos_map) 3750 kfree_rcu(old_qos_map, rcu_head); 3751 3752 return 0; 3753 } 3754 3755 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 3756 struct net_device *dev, 3757 struct cfg80211_chan_def *chandef) 3758 { 3759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3760 int ret; 3761 u32 changed = 0; 3762 3763 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); 3764 if (ret == 0) 3765 ieee80211_bss_info_change_notify(sdata, changed); 3766 3767 return ret; 3768 } 3769 3770 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3771 u8 tsid, const u8 *peer, u8 up, 3772 u16 admitted_time) 3773 { 3774 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3775 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3776 int ac = ieee802_1d_to_ac[up]; 3777 3778 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3779 return -EOPNOTSUPP; 3780 3781 if (!(sdata->wmm_acm & BIT(up))) 3782 return -EINVAL; 3783 3784 if (ifmgd->tx_tspec[ac].admitted_time) 3785 return -EBUSY; 3786 3787 if (admitted_time) { 3788 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 3789 ifmgd->tx_tspec[ac].tsid = tsid; 3790 ifmgd->tx_tspec[ac].up = up; 3791 } 3792 3793 return 0; 3794 } 3795 3796 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3797 u8 tsid, const u8 *peer) 3798 { 3799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3800 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3801 struct ieee80211_local *local = wiphy_priv(wiphy); 3802 int ac; 3803 3804 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 3805 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 3806 3807 /* skip unused entries */ 3808 if (!tx_tspec->admitted_time) 3809 continue; 3810 3811 if (tx_tspec->tsid != tsid) 3812 continue; 3813 3814 /* due to this new packets will be reassigned to non-ACM ACs */ 3815 tx_tspec->up = -1; 3816 3817 /* Make sure that all packets have been sent to avoid to 3818 * restore the QoS params on packets that are still on the 3819 * queues. 3820 */ 3821 synchronize_net(); 3822 ieee80211_flush_queues(local, sdata, false); 3823 3824 /* restore the normal QoS parameters 3825 * (unconditionally to avoid races) 3826 */ 3827 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 3828 tx_tspec->downgraded = false; 3829 ieee80211_sta_handle_tspec_ac_params(sdata); 3830 3831 /* finally clear all the data */ 3832 memset(tx_tspec, 0, sizeof(*tx_tspec)); 3833 3834 return 0; 3835 } 3836 3837 return -ENOENT; 3838 } 3839 3840 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 3841 u8 inst_id, 3842 enum nl80211_nan_func_term_reason reason, 3843 gfp_t gfp) 3844 { 3845 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3846 struct cfg80211_nan_func *func; 3847 u64 cookie; 3848 3849 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3850 return; 3851 3852 spin_lock_bh(&sdata->u.nan.func_lock); 3853 3854 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 3855 if (WARN_ON(!func)) { 3856 spin_unlock_bh(&sdata->u.nan.func_lock); 3857 return; 3858 } 3859 3860 cookie = func->cookie; 3861 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 3862 3863 spin_unlock_bh(&sdata->u.nan.func_lock); 3864 3865 cfg80211_free_nan_func(func); 3866 3867 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 3868 reason, cookie, gfp); 3869 } 3870 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 3871 3872 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 3873 struct cfg80211_nan_match_params *match, 3874 gfp_t gfp) 3875 { 3876 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3877 struct cfg80211_nan_func *func; 3878 3879 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3880 return; 3881 3882 spin_lock_bh(&sdata->u.nan.func_lock); 3883 3884 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 3885 if (WARN_ON(!func)) { 3886 spin_unlock_bh(&sdata->u.nan.func_lock); 3887 return; 3888 } 3889 match->cookie = func->cookie; 3890 3891 spin_unlock_bh(&sdata->u.nan.func_lock); 3892 3893 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 3894 } 3895 EXPORT_SYMBOL(ieee80211_nan_func_match); 3896 3897 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 3898 struct net_device *dev, 3899 const bool enabled) 3900 { 3901 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3902 3903 sdata->u.ap.multicast_to_unicast = enabled; 3904 3905 return 0; 3906 } 3907 3908 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats, 3909 struct txq_info *txqi) 3910 { 3911 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) { 3912 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES); 3913 txqstats->backlog_bytes = txqi->tin.backlog_bytes; 3914 } 3915 3916 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) { 3917 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS); 3918 txqstats->backlog_packets = txqi->tin.backlog_packets; 3919 } 3920 3921 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) { 3922 txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS); 3923 txqstats->flows = txqi->tin.flows; 3924 } 3925 3926 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) { 3927 txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS); 3928 txqstats->drops = txqi->cstats.drop_count; 3929 } 3930 3931 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) { 3932 txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS); 3933 txqstats->ecn_marks = txqi->cstats.ecn_mark; 3934 } 3935 3936 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) { 3937 txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT); 3938 txqstats->overlimit = txqi->tin.overlimit; 3939 } 3940 3941 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) { 3942 txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS); 3943 txqstats->collisions = txqi->tin.collisions; 3944 } 3945 3946 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) { 3947 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES); 3948 txqstats->tx_bytes = txqi->tin.tx_bytes; 3949 } 3950 3951 if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) { 3952 txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS); 3953 txqstats->tx_packets = txqi->tin.tx_packets; 3954 } 3955 } 3956 3957 static int ieee80211_get_txq_stats(struct wiphy *wiphy, 3958 struct wireless_dev *wdev, 3959 struct cfg80211_txq_stats *txqstats) 3960 { 3961 struct ieee80211_local *local = wiphy_priv(wiphy); 3962 struct ieee80211_sub_if_data *sdata; 3963 int ret = 0; 3964 3965 if (!local->ops->wake_tx_queue) 3966 return 1; 3967 3968 spin_lock_bh(&local->fq.lock); 3969 rcu_read_lock(); 3970 3971 if (wdev) { 3972 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3973 if (!sdata->vif.txq) { 3974 ret = 1; 3975 goto out; 3976 } 3977 ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq)); 3978 } else { 3979 /* phy stats */ 3980 txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) | 3981 BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) | 3982 BIT(NL80211_TXQ_STATS_OVERLIMIT) | 3983 BIT(NL80211_TXQ_STATS_OVERMEMORY) | 3984 BIT(NL80211_TXQ_STATS_COLLISIONS) | 3985 BIT(NL80211_TXQ_STATS_MAX_FLOWS); 3986 txqstats->backlog_packets = local->fq.backlog; 3987 txqstats->backlog_bytes = local->fq.memory_usage; 3988 txqstats->overlimit = local->fq.overlimit; 3989 txqstats->overmemory = local->fq.overmemory; 3990 txqstats->collisions = local->fq.collisions; 3991 txqstats->max_flows = local->fq.flows_cnt; 3992 } 3993 3994 out: 3995 rcu_read_unlock(); 3996 spin_unlock_bh(&local->fq.lock); 3997 3998 return ret; 3999 } 4000 4001 static int 4002 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy, 4003 struct net_device *dev, 4004 struct cfg80211_ftm_responder_stats *ftm_stats) 4005 { 4006 struct ieee80211_local *local = wiphy_priv(wiphy); 4007 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4008 4009 return drv_get_ftm_responder_stats(local, sdata, ftm_stats); 4010 } 4011 4012 static int 4013 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4014 struct cfg80211_pmsr_request *request) 4015 { 4016 struct ieee80211_local *local = wiphy_priv(wiphy); 4017 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4018 4019 return drv_start_pmsr(local, sdata, request); 4020 } 4021 4022 static void 4023 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev, 4024 struct cfg80211_pmsr_request *request) 4025 { 4026 struct ieee80211_local *local = wiphy_priv(wiphy); 4027 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev); 4028 4029 return drv_abort_pmsr(local, sdata, request); 4030 } 4031 4032 static int ieee80211_set_tid_config(struct wiphy *wiphy, 4033 struct net_device *dev, 4034 struct cfg80211_tid_config *tid_conf) 4035 { 4036 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4037 struct sta_info *sta; 4038 int ret; 4039 4040 if (!sdata->local->ops->set_tid_config) 4041 return -EOPNOTSUPP; 4042 4043 if (!tid_conf->peer) 4044 return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf); 4045 4046 mutex_lock(&sdata->local->sta_mtx); 4047 sta = sta_info_get_bss(sdata, tid_conf->peer); 4048 if (!sta) { 4049 mutex_unlock(&sdata->local->sta_mtx); 4050 return -ENOENT; 4051 } 4052 4053 ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf); 4054 mutex_unlock(&sdata->local->sta_mtx); 4055 4056 return ret; 4057 } 4058 4059 static int ieee80211_reset_tid_config(struct wiphy *wiphy, 4060 struct net_device *dev, 4061 const u8 *peer, u8 tids) 4062 { 4063 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 4064 struct sta_info *sta; 4065 int ret; 4066 4067 if (!sdata->local->ops->reset_tid_config) 4068 return -EOPNOTSUPP; 4069 4070 if (!peer) 4071 return drv_reset_tid_config(sdata->local, sdata, NULL, tids); 4072 4073 mutex_lock(&sdata->local->sta_mtx); 4074 sta = sta_info_get_bss(sdata, peer); 4075 if (!sta) { 4076 mutex_unlock(&sdata->local->sta_mtx); 4077 return -ENOENT; 4078 } 4079 4080 ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids); 4081 mutex_unlock(&sdata->local->sta_mtx); 4082 4083 return ret; 4084 } 4085 4086 const struct cfg80211_ops mac80211_config_ops = { 4087 .add_virtual_intf = ieee80211_add_iface, 4088 .del_virtual_intf = ieee80211_del_iface, 4089 .change_virtual_intf = ieee80211_change_iface, 4090 .start_p2p_device = ieee80211_start_p2p_device, 4091 .stop_p2p_device = ieee80211_stop_p2p_device, 4092 .add_key = ieee80211_add_key, 4093 .del_key = ieee80211_del_key, 4094 .get_key = ieee80211_get_key, 4095 .set_default_key = ieee80211_config_default_key, 4096 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 4097 .set_default_beacon_key = ieee80211_config_default_beacon_key, 4098 .start_ap = ieee80211_start_ap, 4099 .change_beacon = ieee80211_change_beacon, 4100 .stop_ap = ieee80211_stop_ap, 4101 .add_station = ieee80211_add_station, 4102 .del_station = ieee80211_del_station, 4103 .change_station = ieee80211_change_station, 4104 .get_station = ieee80211_get_station, 4105 .dump_station = ieee80211_dump_station, 4106 .dump_survey = ieee80211_dump_survey, 4107 #ifdef CONFIG_MAC80211_MESH 4108 .add_mpath = ieee80211_add_mpath, 4109 .del_mpath = ieee80211_del_mpath, 4110 .change_mpath = ieee80211_change_mpath, 4111 .get_mpath = ieee80211_get_mpath, 4112 .dump_mpath = ieee80211_dump_mpath, 4113 .get_mpp = ieee80211_get_mpp, 4114 .dump_mpp = ieee80211_dump_mpp, 4115 .update_mesh_config = ieee80211_update_mesh_config, 4116 .get_mesh_config = ieee80211_get_mesh_config, 4117 .join_mesh = ieee80211_join_mesh, 4118 .leave_mesh = ieee80211_leave_mesh, 4119 #endif 4120 .join_ocb = ieee80211_join_ocb, 4121 .leave_ocb = ieee80211_leave_ocb, 4122 .change_bss = ieee80211_change_bss, 4123 .set_txq_params = ieee80211_set_txq_params, 4124 .set_monitor_channel = ieee80211_set_monitor_channel, 4125 .suspend = ieee80211_suspend, 4126 .resume = ieee80211_resume, 4127 .scan = ieee80211_scan, 4128 .abort_scan = ieee80211_abort_scan, 4129 .sched_scan_start = ieee80211_sched_scan_start, 4130 .sched_scan_stop = ieee80211_sched_scan_stop, 4131 .auth = ieee80211_auth, 4132 .assoc = ieee80211_assoc, 4133 .deauth = ieee80211_deauth, 4134 .disassoc = ieee80211_disassoc, 4135 .join_ibss = ieee80211_join_ibss, 4136 .leave_ibss = ieee80211_leave_ibss, 4137 .set_mcast_rate = ieee80211_set_mcast_rate, 4138 .set_wiphy_params = ieee80211_set_wiphy_params, 4139 .set_tx_power = ieee80211_set_tx_power, 4140 .get_tx_power = ieee80211_get_tx_power, 4141 .set_wds_peer = ieee80211_set_wds_peer, 4142 .rfkill_poll = ieee80211_rfkill_poll, 4143 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 4144 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 4145 .set_power_mgmt = ieee80211_set_power_mgmt, 4146 .set_bitrate_mask = ieee80211_set_bitrate_mask, 4147 .remain_on_channel = ieee80211_remain_on_channel, 4148 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 4149 .mgmt_tx = ieee80211_mgmt_tx, 4150 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 4151 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 4152 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config, 4153 .update_mgmt_frame_registrations = 4154 ieee80211_update_mgmt_frame_registrations, 4155 .set_antenna = ieee80211_set_antenna, 4156 .get_antenna = ieee80211_get_antenna, 4157 .set_rekey_data = ieee80211_set_rekey_data, 4158 .tdls_oper = ieee80211_tdls_oper, 4159 .tdls_mgmt = ieee80211_tdls_mgmt, 4160 .tdls_channel_switch = ieee80211_tdls_channel_switch, 4161 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 4162 .probe_client = ieee80211_probe_client, 4163 .set_noack_map = ieee80211_set_noack_map, 4164 #ifdef CONFIG_PM 4165 .set_wakeup = ieee80211_set_wakeup, 4166 #endif 4167 .get_channel = ieee80211_cfg_get_channel, 4168 .start_radar_detection = ieee80211_start_radar_detection, 4169 .end_cac = ieee80211_end_cac, 4170 .channel_switch = ieee80211_channel_switch, 4171 .set_qos_map = ieee80211_set_qos_map, 4172 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 4173 .add_tx_ts = ieee80211_add_tx_ts, 4174 .del_tx_ts = ieee80211_del_tx_ts, 4175 .start_nan = ieee80211_start_nan, 4176 .stop_nan = ieee80211_stop_nan, 4177 .nan_change_conf = ieee80211_nan_change_conf, 4178 .add_nan_func = ieee80211_add_nan_func, 4179 .del_nan_func = ieee80211_del_nan_func, 4180 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 4181 .tx_control_port = ieee80211_tx_control_port, 4182 .get_txq_stats = ieee80211_get_txq_stats, 4183 .get_ftm_responder_stats = ieee80211_get_ftm_responder_stats, 4184 .start_pmsr = ieee80211_start_pmsr, 4185 .abort_pmsr = ieee80211_abort_pmsr, 4186 .probe_mesh_link = ieee80211_probe_mesh_link, 4187 .set_tid_config = ieee80211_set_tid_config, 4188 .reset_tid_config = ieee80211_reset_tid_config, 4189 }; 4190