1 /* 2 * mac80211 configuration hooks for cfg80211 3 * 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 5 * Copyright 2013-2015 Intel Mobile Communications GmbH 6 * Copyright (C) 2015-2016 Intel Deutschland GmbH 7 * 8 * This file is GPLv2 as found in COPYING. 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/if_ether.h> 18 #include <net/cfg80211.h> 19 #include "ieee80211_i.h" 20 #include "driver-ops.h" 21 #include "rate.h" 22 #include "mesh.h" 23 #include "wme.h" 24 25 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 26 const char *name, 27 unsigned char name_assign_type, 28 enum nl80211_iftype type, 29 u32 *flags, 30 struct vif_params *params) 31 { 32 struct ieee80211_local *local = wiphy_priv(wiphy); 33 struct wireless_dev *wdev; 34 struct ieee80211_sub_if_data *sdata; 35 int err; 36 37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params); 38 if (err) 39 return ERR_PTR(err); 40 41 if (type == NL80211_IFTYPE_MONITOR && flags) { 42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 43 sdata->u.mntr.flags = *flags; 44 } 45 46 return wdev; 47 } 48 49 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 50 { 51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 52 53 return 0; 54 } 55 56 static int ieee80211_change_iface(struct wiphy *wiphy, 57 struct net_device *dev, 58 enum nl80211_iftype type, u32 *flags, 59 struct vif_params *params) 60 { 61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 62 int ret; 63 64 ret = ieee80211_if_change_type(sdata, type); 65 if (ret) 66 return ret; 67 68 if (type == NL80211_IFTYPE_AP_VLAN && 69 params && params->use_4addr == 0) { 70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 71 ieee80211_check_fast_rx_iface(sdata); 72 } else if (type == NL80211_IFTYPE_STATION && 73 params && params->use_4addr >= 0) { 74 sdata->u.mgd.use_4addr = params->use_4addr; 75 } 76 77 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) { 78 struct ieee80211_local *local = sdata->local; 79 struct ieee80211_sub_if_data *monitor_sdata; 80 u32 mu_mntr_cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; 81 82 monitor_sdata = rtnl_dereference(local->monitor_sdata); 83 if (monitor_sdata && 84 wiphy_ext_feature_isset(wiphy, mu_mntr_cap_flag)) { 85 memcpy(monitor_sdata->vif.bss_conf.mu_group.membership, 86 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN); 87 memcpy(monitor_sdata->vif.bss_conf.mu_group.position, 88 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN, 89 WLAN_USER_POSITION_LEN); 90 monitor_sdata->vif.mu_mimo_owner = true; 91 ieee80211_bss_info_change_notify(monitor_sdata, 92 BSS_CHANGED_MU_GROUPS); 93 94 ether_addr_copy(monitor_sdata->u.mntr.mu_follow_addr, 95 params->macaddr); 96 } 97 98 if (!flags) 99 return 0; 100 101 if (ieee80211_sdata_running(sdata)) { 102 u32 mask = MONITOR_FLAG_COOK_FRAMES | 103 MONITOR_FLAG_ACTIVE; 104 105 /* 106 * Prohibit MONITOR_FLAG_COOK_FRAMES and 107 * MONITOR_FLAG_ACTIVE to be changed while the 108 * interface is up. 109 * Else we would need to add a lot of cruft 110 * to update everything: 111 * cooked_mntrs, monitor and all fif_* counters 112 * reconfigure hardware 113 */ 114 if ((*flags & mask) != (sdata->u.mntr.flags & mask)) 115 return -EBUSY; 116 117 ieee80211_adjust_monitor_flags(sdata, -1); 118 sdata->u.mntr.flags = *flags; 119 ieee80211_adjust_monitor_flags(sdata, 1); 120 121 ieee80211_configure_filter(local); 122 } else { 123 /* 124 * Because the interface is down, ieee80211_do_stop 125 * and ieee80211_do_open take care of "everything" 126 * mentioned in the comment above. 127 */ 128 sdata->u.mntr.flags = *flags; 129 } 130 } 131 132 return 0; 133 } 134 135 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 136 struct wireless_dev *wdev) 137 { 138 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 139 int ret; 140 141 mutex_lock(&sdata->local->chanctx_mtx); 142 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 143 mutex_unlock(&sdata->local->chanctx_mtx); 144 if (ret < 0) 145 return ret; 146 147 return ieee80211_do_open(wdev, true); 148 } 149 150 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 151 struct wireless_dev *wdev) 152 { 153 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 154 } 155 156 static int ieee80211_start_nan(struct wiphy *wiphy, 157 struct wireless_dev *wdev, 158 struct cfg80211_nan_conf *conf) 159 { 160 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 161 int ret; 162 163 mutex_lock(&sdata->local->chanctx_mtx); 164 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 165 mutex_unlock(&sdata->local->chanctx_mtx); 166 if (ret < 0) 167 return ret; 168 169 ret = ieee80211_do_open(wdev, true); 170 if (ret) 171 return ret; 172 173 ret = drv_start_nan(sdata->local, sdata, conf); 174 if (ret) 175 ieee80211_sdata_stop(sdata); 176 177 sdata->u.nan.conf = *conf; 178 179 return ret; 180 } 181 182 static void ieee80211_stop_nan(struct wiphy *wiphy, 183 struct wireless_dev *wdev) 184 { 185 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 186 187 drv_stop_nan(sdata->local, sdata); 188 ieee80211_sdata_stop(sdata); 189 } 190 191 static int ieee80211_nan_change_conf(struct wiphy *wiphy, 192 struct wireless_dev *wdev, 193 struct cfg80211_nan_conf *conf, 194 u32 changes) 195 { 196 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 197 struct cfg80211_nan_conf new_conf; 198 int ret = 0; 199 200 if (sdata->vif.type != NL80211_IFTYPE_NAN) 201 return -EOPNOTSUPP; 202 203 if (!ieee80211_sdata_running(sdata)) 204 return -ENETDOWN; 205 206 new_conf = sdata->u.nan.conf; 207 208 if (changes & CFG80211_NAN_CONF_CHANGED_PREF) 209 new_conf.master_pref = conf->master_pref; 210 211 if (changes & CFG80211_NAN_CONF_CHANGED_DUAL) 212 new_conf.dual = conf->dual; 213 214 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes); 215 if (!ret) 216 sdata->u.nan.conf = new_conf; 217 218 return ret; 219 } 220 221 static int ieee80211_add_nan_func(struct wiphy *wiphy, 222 struct wireless_dev *wdev, 223 struct cfg80211_nan_func *nan_func) 224 { 225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 226 int ret; 227 228 if (sdata->vif.type != NL80211_IFTYPE_NAN) 229 return -EOPNOTSUPP; 230 231 if (!ieee80211_sdata_running(sdata)) 232 return -ENETDOWN; 233 234 spin_lock_bh(&sdata->u.nan.func_lock); 235 236 ret = idr_alloc(&sdata->u.nan.function_inst_ids, 237 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1, 238 GFP_ATOMIC); 239 spin_unlock_bh(&sdata->u.nan.func_lock); 240 241 if (ret < 0) 242 return ret; 243 244 nan_func->instance_id = ret; 245 246 WARN_ON(nan_func->instance_id == 0); 247 248 ret = drv_add_nan_func(sdata->local, sdata, nan_func); 249 if (ret) { 250 spin_lock_bh(&sdata->u.nan.func_lock); 251 idr_remove(&sdata->u.nan.function_inst_ids, 252 nan_func->instance_id); 253 spin_unlock_bh(&sdata->u.nan.func_lock); 254 } 255 256 return ret; 257 } 258 259 static struct cfg80211_nan_func * 260 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata, 261 u64 cookie) 262 { 263 struct cfg80211_nan_func *func; 264 int id; 265 266 lockdep_assert_held(&sdata->u.nan.func_lock); 267 268 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) { 269 if (func->cookie == cookie) 270 return func; 271 } 272 273 return NULL; 274 } 275 276 static void ieee80211_del_nan_func(struct wiphy *wiphy, 277 struct wireless_dev *wdev, u64 cookie) 278 { 279 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 280 struct cfg80211_nan_func *func; 281 u8 instance_id = 0; 282 283 if (sdata->vif.type != NL80211_IFTYPE_NAN || 284 !ieee80211_sdata_running(sdata)) 285 return; 286 287 spin_lock_bh(&sdata->u.nan.func_lock); 288 289 func = ieee80211_find_nan_func_by_cookie(sdata, cookie); 290 if (func) 291 instance_id = func->instance_id; 292 293 spin_unlock_bh(&sdata->u.nan.func_lock); 294 295 if (instance_id) 296 drv_del_nan_func(sdata->local, sdata, instance_id); 297 } 298 299 static int ieee80211_set_noack_map(struct wiphy *wiphy, 300 struct net_device *dev, 301 u16 noack_map) 302 { 303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 304 305 sdata->noack_map = noack_map; 306 307 ieee80211_check_fast_xmit_iface(sdata); 308 309 return 0; 310 } 311 312 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 313 u8 key_idx, bool pairwise, const u8 *mac_addr, 314 struct key_params *params) 315 { 316 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 317 struct ieee80211_local *local = sdata->local; 318 struct sta_info *sta = NULL; 319 const struct ieee80211_cipher_scheme *cs = NULL; 320 struct ieee80211_key *key; 321 int err; 322 323 if (!ieee80211_sdata_running(sdata)) 324 return -ENETDOWN; 325 326 /* reject WEP and TKIP keys if WEP failed to initialize */ 327 switch (params->cipher) { 328 case WLAN_CIPHER_SUITE_WEP40: 329 case WLAN_CIPHER_SUITE_TKIP: 330 case WLAN_CIPHER_SUITE_WEP104: 331 if (IS_ERR(local->wep_tx_tfm)) 332 return -EINVAL; 333 break; 334 case WLAN_CIPHER_SUITE_CCMP: 335 case WLAN_CIPHER_SUITE_CCMP_256: 336 case WLAN_CIPHER_SUITE_AES_CMAC: 337 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 338 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 339 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 340 case WLAN_CIPHER_SUITE_GCMP: 341 case WLAN_CIPHER_SUITE_GCMP_256: 342 break; 343 default: 344 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); 345 break; 346 } 347 348 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 349 params->key, params->seq_len, params->seq, 350 cs); 351 if (IS_ERR(key)) 352 return PTR_ERR(key); 353 354 if (pairwise) 355 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 356 357 mutex_lock(&local->sta_mtx); 358 359 if (mac_addr) { 360 if (ieee80211_vif_is_mesh(&sdata->vif)) 361 sta = sta_info_get(sdata, mac_addr); 362 else 363 sta = sta_info_get_bss(sdata, mac_addr); 364 /* 365 * The ASSOC test makes sure the driver is ready to 366 * receive the key. When wpa_supplicant has roamed 367 * using FT, it attempts to set the key before 368 * association has completed, this rejects that attempt 369 * so it will set the key again after association. 370 * 371 * TODO: accept the key if we have a station entry and 372 * add it to the device after the station. 373 */ 374 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 375 ieee80211_key_free_unused(key); 376 err = -ENOENT; 377 goto out_unlock; 378 } 379 } 380 381 switch (sdata->vif.type) { 382 case NL80211_IFTYPE_STATION: 383 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 384 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 385 break; 386 case NL80211_IFTYPE_AP: 387 case NL80211_IFTYPE_AP_VLAN: 388 /* Keys without a station are used for TX only */ 389 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) 390 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 391 break; 392 case NL80211_IFTYPE_ADHOC: 393 /* no MFP (yet) */ 394 break; 395 case NL80211_IFTYPE_MESH_POINT: 396 #ifdef CONFIG_MAC80211_MESH 397 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 398 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 399 break; 400 #endif 401 case NL80211_IFTYPE_WDS: 402 case NL80211_IFTYPE_MONITOR: 403 case NL80211_IFTYPE_P2P_DEVICE: 404 case NL80211_IFTYPE_NAN: 405 case NL80211_IFTYPE_UNSPECIFIED: 406 case NUM_NL80211_IFTYPES: 407 case NL80211_IFTYPE_P2P_CLIENT: 408 case NL80211_IFTYPE_P2P_GO: 409 case NL80211_IFTYPE_OCB: 410 /* shouldn't happen */ 411 WARN_ON_ONCE(1); 412 break; 413 } 414 415 if (sta) 416 sta->cipher_scheme = cs; 417 418 err = ieee80211_key_link(key, sdata, sta); 419 420 out_unlock: 421 mutex_unlock(&local->sta_mtx); 422 423 return err; 424 } 425 426 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 427 u8 key_idx, bool pairwise, const u8 *mac_addr) 428 { 429 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 430 struct ieee80211_local *local = sdata->local; 431 struct sta_info *sta; 432 struct ieee80211_key *key = NULL; 433 int ret; 434 435 mutex_lock(&local->sta_mtx); 436 mutex_lock(&local->key_mtx); 437 438 if (mac_addr) { 439 ret = -ENOENT; 440 441 sta = sta_info_get_bss(sdata, mac_addr); 442 if (!sta) 443 goto out_unlock; 444 445 if (pairwise) 446 key = key_mtx_dereference(local, sta->ptk[key_idx]); 447 else 448 key = key_mtx_dereference(local, sta->gtk[key_idx]); 449 } else 450 key = key_mtx_dereference(local, sdata->keys[key_idx]); 451 452 if (!key) { 453 ret = -ENOENT; 454 goto out_unlock; 455 } 456 457 ieee80211_key_free(key, true); 458 459 ret = 0; 460 out_unlock: 461 mutex_unlock(&local->key_mtx); 462 mutex_unlock(&local->sta_mtx); 463 464 return ret; 465 } 466 467 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 468 u8 key_idx, bool pairwise, const u8 *mac_addr, 469 void *cookie, 470 void (*callback)(void *cookie, 471 struct key_params *params)) 472 { 473 struct ieee80211_sub_if_data *sdata; 474 struct sta_info *sta = NULL; 475 u8 seq[6] = {0}; 476 struct key_params params; 477 struct ieee80211_key *key = NULL; 478 u64 pn64; 479 u32 iv32; 480 u16 iv16; 481 int err = -ENOENT; 482 struct ieee80211_key_seq kseq = {}; 483 484 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 485 486 rcu_read_lock(); 487 488 if (mac_addr) { 489 sta = sta_info_get_bss(sdata, mac_addr); 490 if (!sta) 491 goto out; 492 493 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 494 key = rcu_dereference(sta->ptk[key_idx]); 495 else if (!pairwise && 496 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) 497 key = rcu_dereference(sta->gtk[key_idx]); 498 } else 499 key = rcu_dereference(sdata->keys[key_idx]); 500 501 if (!key) 502 goto out; 503 504 memset(¶ms, 0, sizeof(params)); 505 506 params.cipher = key->conf.cipher; 507 508 switch (key->conf.cipher) { 509 case WLAN_CIPHER_SUITE_TKIP: 510 pn64 = atomic64_read(&key->conf.tx_pn); 511 iv32 = TKIP_PN_TO_IV32(pn64); 512 iv16 = TKIP_PN_TO_IV16(pn64); 513 514 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 515 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 516 drv_get_key_seq(sdata->local, key, &kseq); 517 iv32 = kseq.tkip.iv32; 518 iv16 = kseq.tkip.iv16; 519 } 520 521 seq[0] = iv16 & 0xff; 522 seq[1] = (iv16 >> 8) & 0xff; 523 seq[2] = iv32 & 0xff; 524 seq[3] = (iv32 >> 8) & 0xff; 525 seq[4] = (iv32 >> 16) & 0xff; 526 seq[5] = (iv32 >> 24) & 0xff; 527 params.seq = seq; 528 params.seq_len = 6; 529 break; 530 case WLAN_CIPHER_SUITE_CCMP: 531 case WLAN_CIPHER_SUITE_CCMP_256: 532 case WLAN_CIPHER_SUITE_AES_CMAC: 533 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 534 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 535 offsetof(typeof(kseq), aes_cmac)); 536 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 537 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 538 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 539 offsetof(typeof(kseq), aes_gmac)); 540 case WLAN_CIPHER_SUITE_GCMP: 541 case WLAN_CIPHER_SUITE_GCMP_256: 542 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 543 offsetof(typeof(kseq), gcmp)); 544 545 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 546 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 547 drv_get_key_seq(sdata->local, key, &kseq); 548 memcpy(seq, kseq.ccmp.pn, 6); 549 } else { 550 pn64 = atomic64_read(&key->conf.tx_pn); 551 seq[0] = pn64; 552 seq[1] = pn64 >> 8; 553 seq[2] = pn64 >> 16; 554 seq[3] = pn64 >> 24; 555 seq[4] = pn64 >> 32; 556 seq[5] = pn64 >> 40; 557 } 558 params.seq = seq; 559 params.seq_len = 6; 560 break; 561 default: 562 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 563 break; 564 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 565 break; 566 drv_get_key_seq(sdata->local, key, &kseq); 567 params.seq = kseq.hw.seq; 568 params.seq_len = kseq.hw.seq_len; 569 break; 570 } 571 572 params.key = key->conf.key; 573 params.key_len = key->conf.keylen; 574 575 callback(cookie, ¶ms); 576 err = 0; 577 578 out: 579 rcu_read_unlock(); 580 return err; 581 } 582 583 static int ieee80211_config_default_key(struct wiphy *wiphy, 584 struct net_device *dev, 585 u8 key_idx, bool uni, 586 bool multi) 587 { 588 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 589 590 ieee80211_set_default_key(sdata, key_idx, uni, multi); 591 592 return 0; 593 } 594 595 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 596 struct net_device *dev, 597 u8 key_idx) 598 { 599 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 600 601 ieee80211_set_default_mgmt_key(sdata, key_idx); 602 603 return 0; 604 } 605 606 void sta_set_rate_info_tx(struct sta_info *sta, 607 const struct ieee80211_tx_rate *rate, 608 struct rate_info *rinfo) 609 { 610 rinfo->flags = 0; 611 if (rate->flags & IEEE80211_TX_RC_MCS) { 612 rinfo->flags |= RATE_INFO_FLAGS_MCS; 613 rinfo->mcs = rate->idx; 614 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 615 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 616 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 617 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 618 } else { 619 struct ieee80211_supported_band *sband; 620 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 621 u16 brate; 622 623 sband = sta->local->hw.wiphy->bands[ 624 ieee80211_get_sdata_band(sta->sdata)]; 625 brate = sband->bitrates[rate->idx].bitrate; 626 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 627 } 628 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 629 rinfo->bw = RATE_INFO_BW_40; 630 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 631 rinfo->bw = RATE_INFO_BW_80; 632 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 633 rinfo->bw = RATE_INFO_BW_160; 634 else 635 rinfo->bw = RATE_INFO_BW_20; 636 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 637 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 638 } 639 640 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 641 int idx, u8 *mac, struct station_info *sinfo) 642 { 643 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 644 struct ieee80211_local *local = sdata->local; 645 struct sta_info *sta; 646 int ret = -ENOENT; 647 648 mutex_lock(&local->sta_mtx); 649 650 sta = sta_info_get_by_idx(sdata, idx); 651 if (sta) { 652 ret = 0; 653 memcpy(mac, sta->sta.addr, ETH_ALEN); 654 sta_set_sinfo(sta, sinfo); 655 } 656 657 mutex_unlock(&local->sta_mtx); 658 659 return ret; 660 } 661 662 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 663 int idx, struct survey_info *survey) 664 { 665 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 666 667 return drv_get_survey(local, idx, survey); 668 } 669 670 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 671 const u8 *mac, struct station_info *sinfo) 672 { 673 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 674 struct ieee80211_local *local = sdata->local; 675 struct sta_info *sta; 676 int ret = -ENOENT; 677 678 mutex_lock(&local->sta_mtx); 679 680 sta = sta_info_get_bss(sdata, mac); 681 if (sta) { 682 ret = 0; 683 sta_set_sinfo(sta, sinfo); 684 } 685 686 mutex_unlock(&local->sta_mtx); 687 688 return ret; 689 } 690 691 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 692 struct cfg80211_chan_def *chandef) 693 { 694 struct ieee80211_local *local = wiphy_priv(wiphy); 695 struct ieee80211_sub_if_data *sdata; 696 int ret = 0; 697 698 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 699 return 0; 700 701 mutex_lock(&local->mtx); 702 mutex_lock(&local->iflist_mtx); 703 if (local->use_chanctx) { 704 sdata = rcu_dereference_protected( 705 local->monitor_sdata, 706 lockdep_is_held(&local->iflist_mtx)); 707 if (sdata) { 708 ieee80211_vif_release_channel(sdata); 709 ret = ieee80211_vif_use_channel(sdata, chandef, 710 IEEE80211_CHANCTX_EXCLUSIVE); 711 } 712 } else if (local->open_count == local->monitors) { 713 local->_oper_chandef = *chandef; 714 ieee80211_hw_config(local, 0); 715 } 716 717 if (ret == 0) 718 local->monitor_chandef = *chandef; 719 mutex_unlock(&local->iflist_mtx); 720 mutex_unlock(&local->mtx); 721 722 return ret; 723 } 724 725 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 726 const u8 *resp, size_t resp_len, 727 const struct ieee80211_csa_settings *csa) 728 { 729 struct probe_resp *new, *old; 730 731 if (!resp || !resp_len) 732 return 1; 733 734 old = sdata_dereference(sdata->u.ap.probe_resp, sdata); 735 736 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 737 if (!new) 738 return -ENOMEM; 739 740 new->len = resp_len; 741 memcpy(new->data, resp, resp_len); 742 743 if (csa) 744 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, 745 csa->n_counter_offsets_presp * 746 sizeof(new->csa_counter_offsets[0])); 747 748 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 749 if (old) 750 kfree_rcu(old, rcu_head); 751 752 return 0; 753 } 754 755 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 756 struct cfg80211_beacon_data *params, 757 const struct ieee80211_csa_settings *csa) 758 { 759 struct beacon_data *new, *old; 760 int new_head_len, new_tail_len; 761 int size, err; 762 u32 changed = BSS_CHANGED_BEACON; 763 764 old = sdata_dereference(sdata->u.ap.beacon, sdata); 765 766 767 /* Need to have a beacon head if we don't have one yet */ 768 if (!params->head && !old) 769 return -EINVAL; 770 771 /* new or old head? */ 772 if (params->head) 773 new_head_len = params->head_len; 774 else 775 new_head_len = old->head_len; 776 777 /* new or old tail? */ 778 if (params->tail || !old) 779 /* params->tail_len will be zero for !params->tail */ 780 new_tail_len = params->tail_len; 781 else 782 new_tail_len = old->tail_len; 783 784 size = sizeof(*new) + new_head_len + new_tail_len; 785 786 new = kzalloc(size, GFP_KERNEL); 787 if (!new) 788 return -ENOMEM; 789 790 /* start filling the new info now */ 791 792 /* 793 * pointers go into the block we allocated, 794 * memory is | beacon_data | head | tail | 795 */ 796 new->head = ((u8 *) new) + sizeof(*new); 797 new->tail = new->head + new_head_len; 798 new->head_len = new_head_len; 799 new->tail_len = new_tail_len; 800 801 if (csa) { 802 new->csa_current_counter = csa->count; 803 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, 804 csa->n_counter_offsets_beacon * 805 sizeof(new->csa_counter_offsets[0])); 806 } 807 808 /* copy in head */ 809 if (params->head) 810 memcpy(new->head, params->head, new_head_len); 811 else 812 memcpy(new->head, old->head, new_head_len); 813 814 /* copy in optional tail */ 815 if (params->tail) 816 memcpy(new->tail, params->tail, new_tail_len); 817 else 818 if (old) 819 memcpy(new->tail, old->tail, new_tail_len); 820 821 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 822 params->probe_resp_len, csa); 823 if (err < 0) 824 return err; 825 if (err == 0) 826 changed |= BSS_CHANGED_AP_PROBE_RESP; 827 828 rcu_assign_pointer(sdata->u.ap.beacon, new); 829 830 if (old) 831 kfree_rcu(old, rcu_head); 832 833 return changed; 834 } 835 836 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 837 struct cfg80211_ap_settings *params) 838 { 839 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 840 struct ieee80211_local *local = sdata->local; 841 struct beacon_data *old; 842 struct ieee80211_sub_if_data *vlan; 843 u32 changed = BSS_CHANGED_BEACON_INT | 844 BSS_CHANGED_BEACON_ENABLED | 845 BSS_CHANGED_BEACON | 846 BSS_CHANGED_SSID | 847 BSS_CHANGED_P2P_PS | 848 BSS_CHANGED_TXPOWER; 849 int err; 850 851 old = sdata_dereference(sdata->u.ap.beacon, sdata); 852 if (old) 853 return -EALREADY; 854 855 switch (params->smps_mode) { 856 case NL80211_SMPS_OFF: 857 sdata->smps_mode = IEEE80211_SMPS_OFF; 858 break; 859 case NL80211_SMPS_STATIC: 860 sdata->smps_mode = IEEE80211_SMPS_STATIC; 861 break; 862 case NL80211_SMPS_DYNAMIC: 863 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; 864 break; 865 default: 866 return -EINVAL; 867 } 868 sdata->needed_rx_chains = sdata->local->rx_chains; 869 870 mutex_lock(&local->mtx); 871 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 872 IEEE80211_CHANCTX_SHARED); 873 if (!err) 874 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 875 mutex_unlock(&local->mtx); 876 if (err) 877 return err; 878 879 /* 880 * Apply control port protocol, this allows us to 881 * not encrypt dynamic WEP control frames. 882 */ 883 sdata->control_port_protocol = params->crypto.control_port_ethertype; 884 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 885 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 886 ¶ms->crypto, 887 sdata->vif.type); 888 889 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 890 vlan->control_port_protocol = 891 params->crypto.control_port_ethertype; 892 vlan->control_port_no_encrypt = 893 params->crypto.control_port_no_encrypt; 894 vlan->encrypt_headroom = 895 ieee80211_cs_headroom(sdata->local, 896 ¶ms->crypto, 897 vlan->vif.type); 898 } 899 900 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 901 sdata->vif.bss_conf.dtim_period = params->dtim_period; 902 sdata->vif.bss_conf.enable_beacon = true; 903 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; 904 905 sdata->vif.bss_conf.ssid_len = params->ssid_len; 906 if (params->ssid_len) 907 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 908 params->ssid_len); 909 sdata->vif.bss_conf.hidden_ssid = 910 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 911 912 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 913 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 914 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 915 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 916 if (params->p2p_opp_ps) 917 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 918 IEEE80211_P2P_OPPPS_ENABLE_BIT; 919 920 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); 921 if (err < 0) { 922 ieee80211_vif_release_channel(sdata); 923 return err; 924 } 925 changed |= err; 926 927 err = drv_start_ap(sdata->local, sdata); 928 if (err) { 929 old = sdata_dereference(sdata->u.ap.beacon, sdata); 930 931 if (old) 932 kfree_rcu(old, rcu_head); 933 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 934 ieee80211_vif_release_channel(sdata); 935 return err; 936 } 937 938 ieee80211_recalc_dtim(local, sdata); 939 ieee80211_bss_info_change_notify(sdata, changed); 940 941 netif_carrier_on(dev); 942 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 943 netif_carrier_on(vlan->dev); 944 945 return 0; 946 } 947 948 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 949 struct cfg80211_beacon_data *params) 950 { 951 struct ieee80211_sub_if_data *sdata; 952 struct beacon_data *old; 953 int err; 954 955 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 956 sdata_assert_lock(sdata); 957 958 /* don't allow changing the beacon while CSA is in place - offset 959 * of channel switch counter may change 960 */ 961 if (sdata->vif.csa_active) 962 return -EBUSY; 963 964 old = sdata_dereference(sdata->u.ap.beacon, sdata); 965 if (!old) 966 return -ENOENT; 967 968 err = ieee80211_assign_beacon(sdata, params, NULL); 969 if (err < 0) 970 return err; 971 ieee80211_bss_info_change_notify(sdata, err); 972 return 0; 973 } 974 975 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 976 { 977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 978 struct ieee80211_sub_if_data *vlan; 979 struct ieee80211_local *local = sdata->local; 980 struct beacon_data *old_beacon; 981 struct probe_resp *old_probe_resp; 982 struct cfg80211_chan_def chandef; 983 984 sdata_assert_lock(sdata); 985 986 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); 987 if (!old_beacon) 988 return -ENOENT; 989 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); 990 991 /* abort any running channel switch */ 992 mutex_lock(&local->mtx); 993 sdata->vif.csa_active = false; 994 if (sdata->csa_block_tx) { 995 ieee80211_wake_vif_queues(local, sdata, 996 IEEE80211_QUEUE_STOP_REASON_CSA); 997 sdata->csa_block_tx = false; 998 } 999 1000 mutex_unlock(&local->mtx); 1001 1002 kfree(sdata->u.ap.next_beacon); 1003 sdata->u.ap.next_beacon = NULL; 1004 1005 /* turn off carrier for this interface and dependent VLANs */ 1006 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1007 netif_carrier_off(vlan->dev); 1008 netif_carrier_off(dev); 1009 1010 /* remove beacon and probe response */ 1011 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1012 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); 1013 kfree_rcu(old_beacon, rcu_head); 1014 if (old_probe_resp) 1015 kfree_rcu(old_probe_resp, rcu_head); 1016 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; 1017 1018 __sta_info_flush(sdata, true); 1019 ieee80211_free_keys(sdata, true); 1020 1021 sdata->vif.bss_conf.enable_beacon = false; 1022 sdata->vif.bss_conf.ssid_len = 0; 1023 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1024 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 1025 1026 if (sdata->wdev.cac_started) { 1027 chandef = sdata->vif.bss_conf.chandef; 1028 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); 1029 cfg80211_cac_event(sdata->dev, &chandef, 1030 NL80211_RADAR_CAC_ABORTED, 1031 GFP_KERNEL); 1032 } 1033 1034 drv_stop_ap(sdata->local, sdata); 1035 1036 /* free all potentially still buffered bcast frames */ 1037 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1038 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1039 1040 mutex_lock(&local->mtx); 1041 ieee80211_vif_copy_chanctx_to_vlans(sdata, true); 1042 ieee80211_vif_release_channel(sdata); 1043 mutex_unlock(&local->mtx); 1044 1045 return 0; 1046 } 1047 1048 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 1049 struct iapp_layer2_update { 1050 u8 da[ETH_ALEN]; /* broadcast */ 1051 u8 sa[ETH_ALEN]; /* STA addr */ 1052 __be16 len; /* 6 */ 1053 u8 dsap; /* 0 */ 1054 u8 ssap; /* 0 */ 1055 u8 control; 1056 u8 xid_info[3]; 1057 } __packed; 1058 1059 static void ieee80211_send_layer2_update(struct sta_info *sta) 1060 { 1061 struct iapp_layer2_update *msg; 1062 struct sk_buff *skb; 1063 1064 /* Send Level 2 Update Frame to update forwarding tables in layer 2 1065 * bridge devices */ 1066 1067 skb = dev_alloc_skb(sizeof(*msg)); 1068 if (!skb) 1069 return; 1070 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 1071 1072 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 1073 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 1074 1075 eth_broadcast_addr(msg->da); 1076 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 1077 msg->len = htons(6); 1078 msg->dsap = 0; 1079 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 1080 msg->control = 0xaf; /* XID response lsb.1111F101. 1081 * F=0 (no poll command; unsolicited frame) */ 1082 msg->xid_info[0] = 0x81; /* XID format identifier */ 1083 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 1084 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 1085 1086 skb->dev = sta->sdata->dev; 1087 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 1088 memset(skb->cb, 0, sizeof(skb->cb)); 1089 netif_rx_ni(skb); 1090 } 1091 1092 static int sta_apply_auth_flags(struct ieee80211_local *local, 1093 struct sta_info *sta, 1094 u32 mask, u32 set) 1095 { 1096 int ret; 1097 1098 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1099 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1100 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1101 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1102 if (ret) 1103 return ret; 1104 } 1105 1106 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1107 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1108 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1109 /* 1110 * When peer becomes associated, init rate control as 1111 * well. Some drivers require rate control initialized 1112 * before drv_sta_state() is called. 1113 */ 1114 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1115 rate_control_rate_init(sta); 1116 1117 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1118 if (ret) 1119 return ret; 1120 } 1121 1122 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1123 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1125 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1126 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1127 else 1128 ret = 0; 1129 if (ret) 1130 return ret; 1131 } 1132 1133 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1134 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1135 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1136 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1137 if (ret) 1138 return ret; 1139 } 1140 1141 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1142 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1143 test_sta_flag(sta, WLAN_STA_AUTH)) { 1144 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1145 if (ret) 1146 return ret; 1147 } 1148 1149 return 0; 1150 } 1151 1152 static void sta_apply_mesh_params(struct ieee80211_local *local, 1153 struct sta_info *sta, 1154 struct station_parameters *params) 1155 { 1156 #ifdef CONFIG_MAC80211_MESH 1157 struct ieee80211_sub_if_data *sdata = sta->sdata; 1158 u32 changed = 0; 1159 1160 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1161 switch (params->plink_state) { 1162 case NL80211_PLINK_ESTAB: 1163 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1164 changed = mesh_plink_inc_estab_count(sdata); 1165 sta->mesh->plink_state = params->plink_state; 1166 sta->mesh->aid = params->peer_aid; 1167 1168 ieee80211_mps_sta_status_update(sta); 1169 changed |= ieee80211_mps_set_sta_local_pm(sta, 1170 sdata->u.mesh.mshcfg.power_mode); 1171 break; 1172 case NL80211_PLINK_LISTEN: 1173 case NL80211_PLINK_BLOCKED: 1174 case NL80211_PLINK_OPN_SNT: 1175 case NL80211_PLINK_OPN_RCVD: 1176 case NL80211_PLINK_CNF_RCVD: 1177 case NL80211_PLINK_HOLDING: 1178 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1179 changed = mesh_plink_dec_estab_count(sdata); 1180 sta->mesh->plink_state = params->plink_state; 1181 1182 ieee80211_mps_sta_status_update(sta); 1183 changed |= ieee80211_mps_set_sta_local_pm(sta, 1184 NL80211_MESH_POWER_UNKNOWN); 1185 break; 1186 default: 1187 /* nothing */ 1188 break; 1189 } 1190 } 1191 1192 switch (params->plink_action) { 1193 case NL80211_PLINK_ACTION_NO_ACTION: 1194 /* nothing */ 1195 break; 1196 case NL80211_PLINK_ACTION_OPEN: 1197 changed |= mesh_plink_open(sta); 1198 break; 1199 case NL80211_PLINK_ACTION_BLOCK: 1200 changed |= mesh_plink_block(sta); 1201 break; 1202 } 1203 1204 if (params->local_pm) 1205 changed |= ieee80211_mps_set_sta_local_pm(sta, 1206 params->local_pm); 1207 1208 ieee80211_mbss_info_change_notify(sdata, changed); 1209 #endif 1210 } 1211 1212 static int sta_apply_parameters(struct ieee80211_local *local, 1213 struct sta_info *sta, 1214 struct station_parameters *params) 1215 { 1216 int ret = 0; 1217 struct ieee80211_supported_band *sband; 1218 struct ieee80211_sub_if_data *sdata = sta->sdata; 1219 enum nl80211_band band = ieee80211_get_sdata_band(sdata); 1220 u32 mask, set; 1221 1222 sband = local->hw.wiphy->bands[band]; 1223 1224 mask = params->sta_flags_mask; 1225 set = params->sta_flags_set; 1226 1227 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1228 /* 1229 * In mesh mode, ASSOCIATED isn't part of the nl80211 1230 * API but must follow AUTHENTICATED for driver state. 1231 */ 1232 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1233 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1234 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1235 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1236 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1237 /* 1238 * TDLS -- everything follows authorized, but 1239 * only becoming authorized is possible, not 1240 * going back 1241 */ 1242 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1243 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1244 BIT(NL80211_STA_FLAG_ASSOCIATED); 1245 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1246 BIT(NL80211_STA_FLAG_ASSOCIATED); 1247 } 1248 } 1249 1250 if (mask & BIT(NL80211_STA_FLAG_WME) && 1251 local->hw.queues >= IEEE80211_NUM_ACS) 1252 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1253 1254 /* auth flags will be set later for TDLS, 1255 * and for unassociated stations that move to assocaited */ 1256 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1257 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1258 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1259 ret = sta_apply_auth_flags(local, sta, mask, set); 1260 if (ret) 1261 return ret; 1262 } 1263 1264 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1265 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1266 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1267 else 1268 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1269 } 1270 1271 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1272 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1273 if (set & BIT(NL80211_STA_FLAG_MFP)) 1274 set_sta_flag(sta, WLAN_STA_MFP); 1275 else 1276 clear_sta_flag(sta, WLAN_STA_MFP); 1277 } 1278 1279 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1280 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1281 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1282 else 1283 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1284 } 1285 1286 /* mark TDLS channel switch support, if the AP allows it */ 1287 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1288 !sdata->u.mgd.tdls_chan_switch_prohibited && 1289 params->ext_capab_len >= 4 && 1290 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1291 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1292 1293 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1294 !sdata->u.mgd.tdls_wider_bw_prohibited && 1295 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1296 params->ext_capab_len >= 8 && 1297 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1298 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1299 1300 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1301 sta->sta.uapsd_queues = params->uapsd_queues; 1302 sta->sta.max_sp = params->max_sp; 1303 } 1304 1305 /* The sender might not have sent the last bit, consider it to be 0 */ 1306 if (params->ext_capab_len >= 8) { 1307 u8 val = (params->ext_capab[7] & 1308 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; 1309 1310 /* we did get all the bits, take the MSB as well */ 1311 if (params->ext_capab_len >= 9) { 1312 u8 val_msb = params->ext_capab[8] & 1313 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; 1314 val_msb <<= 1; 1315 val |= val_msb; 1316 } 1317 1318 switch (val) { 1319 case 1: 1320 sta->sta.max_amsdu_subframes = 32; 1321 break; 1322 case 2: 1323 sta->sta.max_amsdu_subframes = 16; 1324 break; 1325 case 3: 1326 sta->sta.max_amsdu_subframes = 8; 1327 break; 1328 default: 1329 sta->sta.max_amsdu_subframes = 0; 1330 } 1331 } 1332 1333 /* 1334 * cfg80211 validates this (1-2007) and allows setting the AID 1335 * only when creating a new station entry 1336 */ 1337 if (params->aid) 1338 sta->sta.aid = params->aid; 1339 1340 /* 1341 * Some of the following updates would be racy if called on an 1342 * existing station, via ieee80211_change_station(). However, 1343 * all such changes are rejected by cfg80211 except for updates 1344 * changing the supported rates on an existing but not yet used 1345 * TDLS peer. 1346 */ 1347 1348 if (params->listen_interval >= 0) 1349 sta->listen_interval = params->listen_interval; 1350 1351 if (params->supported_rates) { 1352 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1353 sband, params->supported_rates, 1354 params->supported_rates_len, 1355 &sta->sta.supp_rates[band]); 1356 } 1357 1358 if (params->ht_capa) 1359 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1360 params->ht_capa, sta); 1361 1362 /* VHT can override some HT caps such as the A-MSDU max length */ 1363 if (params->vht_capa) 1364 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1365 params->vht_capa, sta); 1366 1367 if (params->opmode_notif_used) { 1368 /* returned value is only needed for rc update, but the 1369 * rc isn't initialized here yet, so ignore it 1370 */ 1371 __ieee80211_vht_handle_opmode(sdata, sta, 1372 params->opmode_notif, band); 1373 } 1374 1375 if (params->support_p2p_ps >= 0) 1376 sta->sta.support_p2p_ps = params->support_p2p_ps; 1377 1378 if (ieee80211_vif_is_mesh(&sdata->vif)) 1379 sta_apply_mesh_params(local, sta, params); 1380 1381 /* set the STA state after all sta info from usermode has been set */ 1382 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1383 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1384 ret = sta_apply_auth_flags(local, sta, mask, set); 1385 if (ret) 1386 return ret; 1387 } 1388 1389 return 0; 1390 } 1391 1392 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1393 const u8 *mac, 1394 struct station_parameters *params) 1395 { 1396 struct ieee80211_local *local = wiphy_priv(wiphy); 1397 struct sta_info *sta; 1398 struct ieee80211_sub_if_data *sdata; 1399 int err; 1400 int layer2_update; 1401 1402 if (params->vlan) { 1403 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1404 1405 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1406 sdata->vif.type != NL80211_IFTYPE_AP) 1407 return -EINVAL; 1408 } else 1409 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1410 1411 if (ether_addr_equal(mac, sdata->vif.addr)) 1412 return -EINVAL; 1413 1414 if (is_multicast_ether_addr(mac)) 1415 return -EINVAL; 1416 1417 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1418 if (!sta) 1419 return -ENOMEM; 1420 1421 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1422 sta->sta.tdls = true; 1423 1424 err = sta_apply_parameters(local, sta, params); 1425 if (err) { 1426 sta_info_free(local, sta); 1427 return err; 1428 } 1429 1430 /* 1431 * for TDLS and for unassociated station, rate control should be 1432 * initialized only when rates are known and station is marked 1433 * authorized/associated 1434 */ 1435 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1436 test_sta_flag(sta, WLAN_STA_ASSOC)) 1437 rate_control_rate_init(sta); 1438 1439 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 1440 sdata->vif.type == NL80211_IFTYPE_AP; 1441 1442 err = sta_info_insert_rcu(sta); 1443 if (err) { 1444 rcu_read_unlock(); 1445 return err; 1446 } 1447 1448 if (layer2_update) 1449 ieee80211_send_layer2_update(sta); 1450 1451 rcu_read_unlock(); 1452 1453 return 0; 1454 } 1455 1456 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1457 struct station_del_parameters *params) 1458 { 1459 struct ieee80211_sub_if_data *sdata; 1460 1461 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1462 1463 if (params->mac) 1464 return sta_info_destroy_addr_bss(sdata, params->mac); 1465 1466 sta_info_flush(sdata); 1467 return 0; 1468 } 1469 1470 static int ieee80211_change_station(struct wiphy *wiphy, 1471 struct net_device *dev, const u8 *mac, 1472 struct station_parameters *params) 1473 { 1474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1475 struct ieee80211_local *local = wiphy_priv(wiphy); 1476 struct sta_info *sta; 1477 struct ieee80211_sub_if_data *vlansdata; 1478 enum cfg80211_station_type statype; 1479 int err; 1480 1481 mutex_lock(&local->sta_mtx); 1482 1483 sta = sta_info_get_bss(sdata, mac); 1484 if (!sta) { 1485 err = -ENOENT; 1486 goto out_err; 1487 } 1488 1489 switch (sdata->vif.type) { 1490 case NL80211_IFTYPE_MESH_POINT: 1491 if (sdata->u.mesh.user_mpm) 1492 statype = CFG80211_STA_MESH_PEER_USER; 1493 else 1494 statype = CFG80211_STA_MESH_PEER_KERNEL; 1495 break; 1496 case NL80211_IFTYPE_ADHOC: 1497 statype = CFG80211_STA_IBSS; 1498 break; 1499 case NL80211_IFTYPE_STATION: 1500 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1501 statype = CFG80211_STA_AP_STA; 1502 break; 1503 } 1504 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1505 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 1506 else 1507 statype = CFG80211_STA_TDLS_PEER_SETUP; 1508 break; 1509 case NL80211_IFTYPE_AP: 1510 case NL80211_IFTYPE_AP_VLAN: 1511 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 1512 statype = CFG80211_STA_AP_CLIENT; 1513 else 1514 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 1515 break; 1516 default: 1517 err = -EOPNOTSUPP; 1518 goto out_err; 1519 } 1520 1521 err = cfg80211_check_station_change(wiphy, params, statype); 1522 if (err) 1523 goto out_err; 1524 1525 if (params->vlan && params->vlan != sta->sdata->dev) { 1526 bool prev_4addr = false; 1527 bool new_4addr = false; 1528 1529 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1530 1531 if (params->vlan->ieee80211_ptr->use_4addr) { 1532 if (vlansdata->u.vlan.sta) { 1533 err = -EBUSY; 1534 goto out_err; 1535 } 1536 1537 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1538 new_4addr = true; 1539 __ieee80211_check_fast_rx_iface(vlansdata); 1540 } 1541 1542 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1543 sta->sdata->u.vlan.sta) { 1544 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 1545 prev_4addr = true; 1546 } 1547 1548 sta->sdata = vlansdata; 1549 ieee80211_check_fast_xmit(sta); 1550 1551 if (sta->sta_state == IEEE80211_STA_AUTHORIZED && 1552 prev_4addr != new_4addr) { 1553 if (new_4addr) 1554 atomic_dec(&sta->sdata->bss->num_mcast_sta); 1555 else 1556 atomic_inc(&sta->sdata->bss->num_mcast_sta); 1557 } 1558 1559 ieee80211_send_layer2_update(sta); 1560 } 1561 1562 err = sta_apply_parameters(local, sta, params); 1563 if (err) 1564 goto out_err; 1565 1566 mutex_unlock(&local->sta_mtx); 1567 1568 if ((sdata->vif.type == NL80211_IFTYPE_AP || 1569 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && 1570 sta->known_smps_mode != sta->sdata->bss->req_smps && 1571 test_sta_flag(sta, WLAN_STA_AUTHORIZED) && 1572 sta_info_tx_streams(sta) != 1) { 1573 ht_dbg(sta->sdata, 1574 "%pM just authorized and MIMO capable - update SMPS\n", 1575 sta->sta.addr); 1576 ieee80211_send_smps_action(sta->sdata, 1577 sta->sdata->bss->req_smps, 1578 sta->sta.addr, 1579 sta->sdata->vif.bss_conf.bssid); 1580 } 1581 1582 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1583 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1584 ieee80211_recalc_ps(local); 1585 ieee80211_recalc_ps_vif(sdata); 1586 } 1587 1588 return 0; 1589 out_err: 1590 mutex_unlock(&local->sta_mtx); 1591 return err; 1592 } 1593 1594 #ifdef CONFIG_MAC80211_MESH 1595 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1596 const u8 *dst, const u8 *next_hop) 1597 { 1598 struct ieee80211_sub_if_data *sdata; 1599 struct mesh_path *mpath; 1600 struct sta_info *sta; 1601 1602 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1603 1604 rcu_read_lock(); 1605 sta = sta_info_get(sdata, next_hop); 1606 if (!sta) { 1607 rcu_read_unlock(); 1608 return -ENOENT; 1609 } 1610 1611 mpath = mesh_path_add(sdata, dst); 1612 if (IS_ERR(mpath)) { 1613 rcu_read_unlock(); 1614 return PTR_ERR(mpath); 1615 } 1616 1617 mesh_path_fix_nexthop(mpath, sta); 1618 1619 rcu_read_unlock(); 1620 return 0; 1621 } 1622 1623 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1624 const u8 *dst) 1625 { 1626 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1627 1628 if (dst) 1629 return mesh_path_del(sdata, dst); 1630 1631 mesh_path_flush_by_iface(sdata); 1632 return 0; 1633 } 1634 1635 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 1636 const u8 *dst, const u8 *next_hop) 1637 { 1638 struct ieee80211_sub_if_data *sdata; 1639 struct mesh_path *mpath; 1640 struct sta_info *sta; 1641 1642 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1643 1644 rcu_read_lock(); 1645 1646 sta = sta_info_get(sdata, next_hop); 1647 if (!sta) { 1648 rcu_read_unlock(); 1649 return -ENOENT; 1650 } 1651 1652 mpath = mesh_path_lookup(sdata, dst); 1653 if (!mpath) { 1654 rcu_read_unlock(); 1655 return -ENOENT; 1656 } 1657 1658 mesh_path_fix_nexthop(mpath, sta); 1659 1660 rcu_read_unlock(); 1661 return 0; 1662 } 1663 1664 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1665 struct mpath_info *pinfo) 1666 { 1667 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1668 1669 if (next_hop_sta) 1670 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1671 else 1672 eth_zero_addr(next_hop); 1673 1674 memset(pinfo, 0, sizeof(*pinfo)); 1675 1676 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 1677 1678 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1679 MPATH_INFO_SN | 1680 MPATH_INFO_METRIC | 1681 MPATH_INFO_EXPTIME | 1682 MPATH_INFO_DISCOVERY_TIMEOUT | 1683 MPATH_INFO_DISCOVERY_RETRIES | 1684 MPATH_INFO_FLAGS; 1685 1686 pinfo->frame_qlen = mpath->frame_queue.qlen; 1687 pinfo->sn = mpath->sn; 1688 pinfo->metric = mpath->metric; 1689 if (time_before(jiffies, mpath->exp_time)) 1690 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1691 pinfo->discovery_timeout = 1692 jiffies_to_msecs(mpath->discovery_timeout); 1693 pinfo->discovery_retries = mpath->discovery_retries; 1694 if (mpath->flags & MESH_PATH_ACTIVE) 1695 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1696 if (mpath->flags & MESH_PATH_RESOLVING) 1697 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1698 if (mpath->flags & MESH_PATH_SN_VALID) 1699 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1700 if (mpath->flags & MESH_PATH_FIXED) 1701 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1702 if (mpath->flags & MESH_PATH_RESOLVED) 1703 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1704 } 1705 1706 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1707 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1708 1709 { 1710 struct ieee80211_sub_if_data *sdata; 1711 struct mesh_path *mpath; 1712 1713 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1714 1715 rcu_read_lock(); 1716 mpath = mesh_path_lookup(sdata, dst); 1717 if (!mpath) { 1718 rcu_read_unlock(); 1719 return -ENOENT; 1720 } 1721 memcpy(dst, mpath->dst, ETH_ALEN); 1722 mpath_set_pinfo(mpath, next_hop, pinfo); 1723 rcu_read_unlock(); 1724 return 0; 1725 } 1726 1727 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1728 int idx, u8 *dst, u8 *next_hop, 1729 struct mpath_info *pinfo) 1730 { 1731 struct ieee80211_sub_if_data *sdata; 1732 struct mesh_path *mpath; 1733 1734 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1735 1736 rcu_read_lock(); 1737 mpath = mesh_path_lookup_by_idx(sdata, idx); 1738 if (!mpath) { 1739 rcu_read_unlock(); 1740 return -ENOENT; 1741 } 1742 memcpy(dst, mpath->dst, ETH_ALEN); 1743 mpath_set_pinfo(mpath, next_hop, pinfo); 1744 rcu_read_unlock(); 1745 return 0; 1746 } 1747 1748 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 1749 struct mpath_info *pinfo) 1750 { 1751 memset(pinfo, 0, sizeof(*pinfo)); 1752 memcpy(mpp, mpath->mpp, ETH_ALEN); 1753 1754 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 1755 } 1756 1757 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 1758 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 1759 1760 { 1761 struct ieee80211_sub_if_data *sdata; 1762 struct mesh_path *mpath; 1763 1764 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1765 1766 rcu_read_lock(); 1767 mpath = mpp_path_lookup(sdata, dst); 1768 if (!mpath) { 1769 rcu_read_unlock(); 1770 return -ENOENT; 1771 } 1772 memcpy(dst, mpath->dst, ETH_ALEN); 1773 mpp_set_pinfo(mpath, mpp, pinfo); 1774 rcu_read_unlock(); 1775 return 0; 1776 } 1777 1778 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 1779 int idx, u8 *dst, u8 *mpp, 1780 struct mpath_info *pinfo) 1781 { 1782 struct ieee80211_sub_if_data *sdata; 1783 struct mesh_path *mpath; 1784 1785 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1786 1787 rcu_read_lock(); 1788 mpath = mpp_path_lookup_by_idx(sdata, idx); 1789 if (!mpath) { 1790 rcu_read_unlock(); 1791 return -ENOENT; 1792 } 1793 memcpy(dst, mpath->dst, ETH_ALEN); 1794 mpp_set_pinfo(mpath, mpp, pinfo); 1795 rcu_read_unlock(); 1796 return 0; 1797 } 1798 1799 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1800 struct net_device *dev, 1801 struct mesh_config *conf) 1802 { 1803 struct ieee80211_sub_if_data *sdata; 1804 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1805 1806 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1807 return 0; 1808 } 1809 1810 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1811 { 1812 return (mask >> (parm-1)) & 0x1; 1813 } 1814 1815 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1816 const struct mesh_setup *setup) 1817 { 1818 u8 *new_ie; 1819 const u8 *old_ie; 1820 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 1821 struct ieee80211_sub_if_data, u.mesh); 1822 1823 /* allocate information elements */ 1824 new_ie = NULL; 1825 old_ie = ifmsh->ie; 1826 1827 if (setup->ie_len) { 1828 new_ie = kmemdup(setup->ie, setup->ie_len, 1829 GFP_KERNEL); 1830 if (!new_ie) 1831 return -ENOMEM; 1832 } 1833 ifmsh->ie_len = setup->ie_len; 1834 ifmsh->ie = new_ie; 1835 kfree(old_ie); 1836 1837 /* now copy the rest of the setup parameters */ 1838 ifmsh->mesh_id_len = setup->mesh_id_len; 1839 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1840 ifmsh->mesh_sp_id = setup->sync_method; 1841 ifmsh->mesh_pp_id = setup->path_sel_proto; 1842 ifmsh->mesh_pm_id = setup->path_metric; 1843 ifmsh->user_mpm = setup->user_mpm; 1844 ifmsh->mesh_auth_id = setup->auth_id; 1845 ifmsh->security = IEEE80211_MESH_SEC_NONE; 1846 if (setup->is_authenticated) 1847 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 1848 if (setup->is_secure) 1849 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 1850 1851 /* mcast rate setting in Mesh Node */ 1852 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 1853 sizeof(setup->mcast_rate)); 1854 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 1855 1856 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 1857 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 1858 1859 return 0; 1860 } 1861 1862 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1863 struct net_device *dev, u32 mask, 1864 const struct mesh_config *nconf) 1865 { 1866 struct mesh_config *conf; 1867 struct ieee80211_sub_if_data *sdata; 1868 struct ieee80211_if_mesh *ifmsh; 1869 1870 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1871 ifmsh = &sdata->u.mesh; 1872 1873 /* Set the config options which we are interested in setting */ 1874 conf = &(sdata->u.mesh.mshcfg); 1875 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1876 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1877 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1878 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1879 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1880 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1881 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1882 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1883 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1884 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1885 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1886 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1887 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1888 conf->element_ttl = nconf->element_ttl; 1889 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 1890 if (ifmsh->user_mpm) 1891 return -EBUSY; 1892 conf->auto_open_plinks = nconf->auto_open_plinks; 1893 } 1894 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 1895 conf->dot11MeshNbrOffsetMaxNeighbor = 1896 nconf->dot11MeshNbrOffsetMaxNeighbor; 1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1898 conf->dot11MeshHWMPmaxPREQretries = 1899 nconf->dot11MeshHWMPmaxPREQretries; 1900 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1901 conf->path_refresh_time = nconf->path_refresh_time; 1902 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1903 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1904 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1905 conf->dot11MeshHWMPactivePathTimeout = 1906 nconf->dot11MeshHWMPactivePathTimeout; 1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1908 conf->dot11MeshHWMPpreqMinInterval = 1909 nconf->dot11MeshHWMPpreqMinInterval; 1910 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 1911 conf->dot11MeshHWMPperrMinInterval = 1912 nconf->dot11MeshHWMPperrMinInterval; 1913 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1914 mask)) 1915 conf->dot11MeshHWMPnetDiameterTraversalTime = 1916 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1917 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1918 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1919 ieee80211_mesh_root_setup(ifmsh); 1920 } 1921 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 1922 /* our current gate announcement implementation rides on root 1923 * announcements, so require this ifmsh to also be a root node 1924 * */ 1925 if (nconf->dot11MeshGateAnnouncementProtocol && 1926 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 1927 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 1928 ieee80211_mesh_root_setup(ifmsh); 1929 } 1930 conf->dot11MeshGateAnnouncementProtocol = 1931 nconf->dot11MeshGateAnnouncementProtocol; 1932 } 1933 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 1934 conf->dot11MeshHWMPRannInterval = 1935 nconf->dot11MeshHWMPRannInterval; 1936 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 1937 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 1938 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 1939 /* our RSSI threshold implementation is supported only for 1940 * devices that report signal in dBm. 1941 */ 1942 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 1943 return -ENOTSUPP; 1944 conf->rssi_threshold = nconf->rssi_threshold; 1945 } 1946 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 1947 conf->ht_opmode = nconf->ht_opmode; 1948 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 1949 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1950 } 1951 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 1952 conf->dot11MeshHWMPactivePathToRootTimeout = 1953 nconf->dot11MeshHWMPactivePathToRootTimeout; 1954 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 1955 conf->dot11MeshHWMProotInterval = 1956 nconf->dot11MeshHWMProotInterval; 1957 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 1958 conf->dot11MeshHWMPconfirmationInterval = 1959 nconf->dot11MeshHWMPconfirmationInterval; 1960 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 1961 conf->power_mode = nconf->power_mode; 1962 ieee80211_mps_local_status_update(sdata); 1963 } 1964 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 1965 conf->dot11MeshAwakeWindowDuration = 1966 nconf->dot11MeshAwakeWindowDuration; 1967 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 1968 conf->plink_timeout = nconf->plink_timeout; 1969 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 1970 return 0; 1971 } 1972 1973 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1974 const struct mesh_config *conf, 1975 const struct mesh_setup *setup) 1976 { 1977 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1978 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1979 int err; 1980 1981 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1982 err = copy_mesh_setup(ifmsh, setup); 1983 if (err) 1984 return err; 1985 1986 /* can mesh use other SMPS modes? */ 1987 sdata->smps_mode = IEEE80211_SMPS_OFF; 1988 sdata->needed_rx_chains = sdata->local->rx_chains; 1989 1990 mutex_lock(&sdata->local->mtx); 1991 err = ieee80211_vif_use_channel(sdata, &setup->chandef, 1992 IEEE80211_CHANCTX_SHARED); 1993 mutex_unlock(&sdata->local->mtx); 1994 if (err) 1995 return err; 1996 1997 return ieee80211_start_mesh(sdata); 1998 } 1999 2000 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 2001 { 2002 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2003 2004 ieee80211_stop_mesh(sdata); 2005 mutex_lock(&sdata->local->mtx); 2006 ieee80211_vif_release_channel(sdata); 2007 mutex_unlock(&sdata->local->mtx); 2008 2009 return 0; 2010 } 2011 #endif 2012 2013 static int ieee80211_change_bss(struct wiphy *wiphy, 2014 struct net_device *dev, 2015 struct bss_parameters *params) 2016 { 2017 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2018 enum nl80211_band band; 2019 u32 changed = 0; 2020 2021 if (!sdata_dereference(sdata->u.ap.beacon, sdata)) 2022 return -ENOENT; 2023 2024 band = ieee80211_get_sdata_band(sdata); 2025 2026 if (params->use_cts_prot >= 0) { 2027 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 2028 changed |= BSS_CHANGED_ERP_CTS_PROT; 2029 } 2030 if (params->use_short_preamble >= 0) { 2031 sdata->vif.bss_conf.use_short_preamble = 2032 params->use_short_preamble; 2033 changed |= BSS_CHANGED_ERP_PREAMBLE; 2034 } 2035 2036 if (!sdata->vif.bss_conf.use_short_slot && 2037 band == NL80211_BAND_5GHZ) { 2038 sdata->vif.bss_conf.use_short_slot = true; 2039 changed |= BSS_CHANGED_ERP_SLOT; 2040 } 2041 2042 if (params->use_short_slot_time >= 0) { 2043 sdata->vif.bss_conf.use_short_slot = 2044 params->use_short_slot_time; 2045 changed |= BSS_CHANGED_ERP_SLOT; 2046 } 2047 2048 if (params->basic_rates) { 2049 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 2050 wiphy->bands[band], 2051 params->basic_rates, 2052 params->basic_rates_len, 2053 &sdata->vif.bss_conf.basic_rates); 2054 changed |= BSS_CHANGED_BASIC_RATES; 2055 } 2056 2057 if (params->ap_isolate >= 0) { 2058 if (params->ap_isolate) 2059 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2060 else 2061 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2062 ieee80211_check_fast_rx_iface(sdata); 2063 } 2064 2065 if (params->ht_opmode >= 0) { 2066 sdata->vif.bss_conf.ht_operation_mode = 2067 (u16) params->ht_opmode; 2068 changed |= BSS_CHANGED_HT; 2069 } 2070 2071 if (params->p2p_ctwindow >= 0) { 2072 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2073 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2074 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2075 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2076 changed |= BSS_CHANGED_P2P_PS; 2077 } 2078 2079 if (params->p2p_opp_ps > 0) { 2080 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2081 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2082 changed |= BSS_CHANGED_P2P_PS; 2083 } else if (params->p2p_opp_ps == 0) { 2084 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2085 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2086 changed |= BSS_CHANGED_P2P_PS; 2087 } 2088 2089 ieee80211_bss_info_change_notify(sdata, changed); 2090 2091 return 0; 2092 } 2093 2094 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2095 struct net_device *dev, 2096 struct ieee80211_txq_params *params) 2097 { 2098 struct ieee80211_local *local = wiphy_priv(wiphy); 2099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2100 struct ieee80211_tx_queue_params p; 2101 2102 if (!local->ops->conf_tx) 2103 return -EOPNOTSUPP; 2104 2105 if (local->hw.queues < IEEE80211_NUM_ACS) 2106 return -EOPNOTSUPP; 2107 2108 memset(&p, 0, sizeof(p)); 2109 p.aifs = params->aifs; 2110 p.cw_max = params->cwmax; 2111 p.cw_min = params->cwmin; 2112 p.txop = params->txop; 2113 2114 /* 2115 * Setting tx queue params disables u-apsd because it's only 2116 * called in master mode. 2117 */ 2118 p.uapsd = false; 2119 2120 sdata->tx_conf[params->ac] = p; 2121 if (drv_conf_tx(local, sdata, params->ac, &p)) { 2122 wiphy_debug(local->hw.wiphy, 2123 "failed to set TX queue parameters for AC %d\n", 2124 params->ac); 2125 return -EINVAL; 2126 } 2127 2128 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 2129 2130 return 0; 2131 } 2132 2133 #ifdef CONFIG_PM 2134 static int ieee80211_suspend(struct wiphy *wiphy, 2135 struct cfg80211_wowlan *wowlan) 2136 { 2137 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2138 } 2139 2140 static int ieee80211_resume(struct wiphy *wiphy) 2141 { 2142 return __ieee80211_resume(wiphy_priv(wiphy)); 2143 } 2144 #else 2145 #define ieee80211_suspend NULL 2146 #define ieee80211_resume NULL 2147 #endif 2148 2149 static int ieee80211_scan(struct wiphy *wiphy, 2150 struct cfg80211_scan_request *req) 2151 { 2152 struct ieee80211_sub_if_data *sdata; 2153 2154 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2155 2156 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2157 case NL80211_IFTYPE_STATION: 2158 case NL80211_IFTYPE_ADHOC: 2159 case NL80211_IFTYPE_MESH_POINT: 2160 case NL80211_IFTYPE_P2P_CLIENT: 2161 case NL80211_IFTYPE_P2P_DEVICE: 2162 break; 2163 case NL80211_IFTYPE_P2P_GO: 2164 if (sdata->local->ops->hw_scan) 2165 break; 2166 /* 2167 * FIXME: implement NoA while scanning in software, 2168 * for now fall through to allow scanning only when 2169 * beaconing hasn't been configured yet 2170 */ 2171 case NL80211_IFTYPE_AP: 2172 /* 2173 * If the scan has been forced (and the driver supports 2174 * forcing), don't care about being beaconing already. 2175 * This will create problems to the attached stations (e.g. all 2176 * the frames sent while scanning on other channel will be 2177 * lost) 2178 */ 2179 if (sdata->u.ap.beacon && 2180 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2181 !(req->flags & NL80211_SCAN_FLAG_AP))) 2182 return -EOPNOTSUPP; 2183 break; 2184 case NL80211_IFTYPE_NAN: 2185 default: 2186 return -EOPNOTSUPP; 2187 } 2188 2189 return ieee80211_request_scan(sdata, req); 2190 } 2191 2192 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2193 { 2194 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2195 } 2196 2197 static int 2198 ieee80211_sched_scan_start(struct wiphy *wiphy, 2199 struct net_device *dev, 2200 struct cfg80211_sched_scan_request *req) 2201 { 2202 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2203 2204 if (!sdata->local->ops->sched_scan_start) 2205 return -EOPNOTSUPP; 2206 2207 return ieee80211_request_sched_scan_start(sdata, req); 2208 } 2209 2210 static int 2211 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) 2212 { 2213 struct ieee80211_local *local = wiphy_priv(wiphy); 2214 2215 if (!local->ops->sched_scan_stop) 2216 return -EOPNOTSUPP; 2217 2218 return ieee80211_request_sched_scan_stop(local); 2219 } 2220 2221 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2222 struct cfg80211_auth_request *req) 2223 { 2224 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2225 } 2226 2227 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2228 struct cfg80211_assoc_request *req) 2229 { 2230 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2231 } 2232 2233 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2234 struct cfg80211_deauth_request *req) 2235 { 2236 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2237 } 2238 2239 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2240 struct cfg80211_disassoc_request *req) 2241 { 2242 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2243 } 2244 2245 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2246 struct cfg80211_ibss_params *params) 2247 { 2248 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2249 } 2250 2251 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2252 { 2253 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2254 } 2255 2256 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2257 struct ocb_setup *setup) 2258 { 2259 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2260 } 2261 2262 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2263 { 2264 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2265 } 2266 2267 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2268 int rate[NUM_NL80211_BANDS]) 2269 { 2270 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2271 2272 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2273 sizeof(int) * NUM_NL80211_BANDS); 2274 2275 return 0; 2276 } 2277 2278 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2279 { 2280 struct ieee80211_local *local = wiphy_priv(wiphy); 2281 int err; 2282 2283 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2284 ieee80211_check_fast_xmit_all(local); 2285 2286 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2287 2288 if (err) { 2289 ieee80211_check_fast_xmit_all(local); 2290 return err; 2291 } 2292 } 2293 2294 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2295 (changed & WIPHY_PARAM_DYN_ACK)) { 2296 s16 coverage_class; 2297 2298 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2299 wiphy->coverage_class : -1; 2300 err = drv_set_coverage_class(local, coverage_class); 2301 2302 if (err) 2303 return err; 2304 } 2305 2306 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2307 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2308 2309 if (err) 2310 return err; 2311 } 2312 2313 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2314 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2315 return -EINVAL; 2316 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2317 } 2318 if (changed & WIPHY_PARAM_RETRY_LONG) { 2319 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2320 return -EINVAL; 2321 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2322 } 2323 if (changed & 2324 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2325 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2326 2327 return 0; 2328 } 2329 2330 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2331 struct wireless_dev *wdev, 2332 enum nl80211_tx_power_setting type, int mbm) 2333 { 2334 struct ieee80211_local *local = wiphy_priv(wiphy); 2335 struct ieee80211_sub_if_data *sdata; 2336 enum nl80211_tx_power_setting txp_type = type; 2337 bool update_txp_type = false; 2338 2339 if (wdev) { 2340 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2341 2342 switch (type) { 2343 case NL80211_TX_POWER_AUTOMATIC: 2344 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2345 txp_type = NL80211_TX_POWER_LIMITED; 2346 break; 2347 case NL80211_TX_POWER_LIMITED: 2348 case NL80211_TX_POWER_FIXED: 2349 if (mbm < 0 || (mbm % 100)) 2350 return -EOPNOTSUPP; 2351 sdata->user_power_level = MBM_TO_DBM(mbm); 2352 break; 2353 } 2354 2355 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2356 update_txp_type = true; 2357 sdata->vif.bss_conf.txpower_type = txp_type; 2358 } 2359 2360 ieee80211_recalc_txpower(sdata, update_txp_type); 2361 2362 return 0; 2363 } 2364 2365 switch (type) { 2366 case NL80211_TX_POWER_AUTOMATIC: 2367 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2368 txp_type = NL80211_TX_POWER_LIMITED; 2369 break; 2370 case NL80211_TX_POWER_LIMITED: 2371 case NL80211_TX_POWER_FIXED: 2372 if (mbm < 0 || (mbm % 100)) 2373 return -EOPNOTSUPP; 2374 local->user_power_level = MBM_TO_DBM(mbm); 2375 break; 2376 } 2377 2378 mutex_lock(&local->iflist_mtx); 2379 list_for_each_entry(sdata, &local->interfaces, list) { 2380 sdata->user_power_level = local->user_power_level; 2381 if (txp_type != sdata->vif.bss_conf.txpower_type) 2382 update_txp_type = true; 2383 sdata->vif.bss_conf.txpower_type = txp_type; 2384 } 2385 list_for_each_entry(sdata, &local->interfaces, list) 2386 ieee80211_recalc_txpower(sdata, update_txp_type); 2387 mutex_unlock(&local->iflist_mtx); 2388 2389 return 0; 2390 } 2391 2392 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2393 struct wireless_dev *wdev, 2394 int *dbm) 2395 { 2396 struct ieee80211_local *local = wiphy_priv(wiphy); 2397 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2398 2399 if (local->ops->get_txpower) 2400 return drv_get_txpower(local, sdata, dbm); 2401 2402 if (!local->use_chanctx) 2403 *dbm = local->hw.conf.power_level; 2404 else 2405 *dbm = sdata->vif.bss_conf.txpower; 2406 2407 return 0; 2408 } 2409 2410 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 2411 const u8 *addr) 2412 { 2413 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2414 2415 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 2416 2417 return 0; 2418 } 2419 2420 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2421 { 2422 struct ieee80211_local *local = wiphy_priv(wiphy); 2423 2424 drv_rfkill_poll(local); 2425 } 2426 2427 #ifdef CONFIG_NL80211_TESTMODE 2428 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 2429 struct wireless_dev *wdev, 2430 void *data, int len) 2431 { 2432 struct ieee80211_local *local = wiphy_priv(wiphy); 2433 struct ieee80211_vif *vif = NULL; 2434 2435 if (!local->ops->testmode_cmd) 2436 return -EOPNOTSUPP; 2437 2438 if (wdev) { 2439 struct ieee80211_sub_if_data *sdata; 2440 2441 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2442 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 2443 vif = &sdata->vif; 2444 } 2445 2446 return local->ops->testmode_cmd(&local->hw, vif, data, len); 2447 } 2448 2449 static int ieee80211_testmode_dump(struct wiphy *wiphy, 2450 struct sk_buff *skb, 2451 struct netlink_callback *cb, 2452 void *data, int len) 2453 { 2454 struct ieee80211_local *local = wiphy_priv(wiphy); 2455 2456 if (!local->ops->testmode_dump) 2457 return -EOPNOTSUPP; 2458 2459 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2460 } 2461 #endif 2462 2463 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 2464 enum ieee80211_smps_mode smps_mode) 2465 { 2466 struct sta_info *sta; 2467 enum ieee80211_smps_mode old_req; 2468 2469 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) 2470 return -EINVAL; 2471 2472 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2473 return 0; 2474 2475 old_req = sdata->u.ap.req_smps; 2476 sdata->u.ap.req_smps = smps_mode; 2477 2478 /* AUTOMATIC doesn't mean much for AP - don't allow it */ 2479 if (old_req == smps_mode || 2480 smps_mode == IEEE80211_SMPS_AUTOMATIC) 2481 return 0; 2482 2483 /* If no associated stations, there's no need to do anything */ 2484 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { 2485 sdata->smps_mode = smps_mode; 2486 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); 2487 return 0; 2488 } 2489 2490 ht_dbg(sdata, 2491 "SMPS %d requested in AP mode, sending Action frame to %d stations\n", 2492 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); 2493 2494 mutex_lock(&sdata->local->sta_mtx); 2495 list_for_each_entry(sta, &sdata->local->sta_list, list) { 2496 /* 2497 * Only stations associated to our AP and 2498 * associated VLANs 2499 */ 2500 if (sta->sdata->bss != &sdata->u.ap) 2501 continue; 2502 2503 /* This station doesn't support MIMO - skip it */ 2504 if (sta_info_tx_streams(sta) == 1) 2505 continue; 2506 2507 /* 2508 * Don't wake up a STA just to send the action frame 2509 * unless we are getting more restrictive. 2510 */ 2511 if (test_sta_flag(sta, WLAN_STA_PS_STA) && 2512 !ieee80211_smps_is_restrictive(sta->known_smps_mode, 2513 smps_mode)) { 2514 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", 2515 sta->sta.addr); 2516 continue; 2517 } 2518 2519 /* 2520 * If the STA is not authorized, wait until it gets 2521 * authorized and the action frame will be sent then. 2522 */ 2523 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2524 continue; 2525 2526 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); 2527 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, 2528 sdata->vif.bss_conf.bssid); 2529 } 2530 mutex_unlock(&sdata->local->sta_mtx); 2531 2532 sdata->smps_mode = smps_mode; 2533 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); 2534 2535 return 0; 2536 } 2537 2538 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2539 enum ieee80211_smps_mode smps_mode) 2540 { 2541 const u8 *ap; 2542 enum ieee80211_smps_mode old_req; 2543 int err; 2544 struct sta_info *sta; 2545 bool tdls_peer_found = false; 2546 2547 lockdep_assert_held(&sdata->wdev.mtx); 2548 2549 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 2550 return -EINVAL; 2551 2552 old_req = sdata->u.mgd.req_smps; 2553 sdata->u.mgd.req_smps = smps_mode; 2554 2555 if (old_req == smps_mode && 2556 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2557 return 0; 2558 2559 /* 2560 * If not associated, or current association is not an HT 2561 * association, there's no need to do anything, just store 2562 * the new value until we associate. 2563 */ 2564 if (!sdata->u.mgd.associated || 2565 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2566 return 0; 2567 2568 ap = sdata->u.mgd.associated->bssid; 2569 2570 rcu_read_lock(); 2571 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 2572 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 2573 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2574 continue; 2575 2576 tdls_peer_found = true; 2577 break; 2578 } 2579 rcu_read_unlock(); 2580 2581 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2582 if (tdls_peer_found || !sdata->u.mgd.powersave) 2583 smps_mode = IEEE80211_SMPS_OFF; 2584 else 2585 smps_mode = IEEE80211_SMPS_DYNAMIC; 2586 } 2587 2588 /* send SM PS frame to AP */ 2589 err = ieee80211_send_smps_action(sdata, smps_mode, 2590 ap, ap); 2591 if (err) 2592 sdata->u.mgd.req_smps = old_req; 2593 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 2594 ieee80211_teardown_tdls_peers(sdata); 2595 2596 return err; 2597 } 2598 2599 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2600 bool enabled, int timeout) 2601 { 2602 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2603 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2604 2605 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2606 return -EOPNOTSUPP; 2607 2608 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 2609 return -EOPNOTSUPP; 2610 2611 if (enabled == sdata->u.mgd.powersave && 2612 timeout == local->dynamic_ps_forced_timeout) 2613 return 0; 2614 2615 sdata->u.mgd.powersave = enabled; 2616 local->dynamic_ps_forced_timeout = timeout; 2617 2618 /* no change, but if automatic follow powersave */ 2619 sdata_lock(sdata); 2620 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); 2621 sdata_unlock(sdata); 2622 2623 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 2624 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2625 2626 ieee80211_recalc_ps(local); 2627 ieee80211_recalc_ps_vif(sdata); 2628 2629 return 0; 2630 } 2631 2632 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2633 struct net_device *dev, 2634 s32 rssi_thold, u32 rssi_hyst) 2635 { 2636 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2637 struct ieee80211_vif *vif = &sdata->vif; 2638 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2639 2640 if (rssi_thold == bss_conf->cqm_rssi_thold && 2641 rssi_hyst == bss_conf->cqm_rssi_hyst) 2642 return 0; 2643 2644 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 2645 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 2646 return -EOPNOTSUPP; 2647 2648 bss_conf->cqm_rssi_thold = rssi_thold; 2649 bss_conf->cqm_rssi_hyst = rssi_hyst; 2650 sdata->u.mgd.last_cqm_event_signal = 0; 2651 2652 /* tell the driver upon association, unless already associated */ 2653 if (sdata->u.mgd.associated && 2654 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2655 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2656 2657 return 0; 2658 } 2659 2660 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2661 struct net_device *dev, 2662 const u8 *addr, 2663 const struct cfg80211_bitrate_mask *mask) 2664 { 2665 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2666 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2667 int i, ret; 2668 2669 if (!ieee80211_sdata_running(sdata)) 2670 return -ENETDOWN; 2671 2672 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 2673 ret = drv_set_bitrate_mask(local, sdata, mask); 2674 if (ret) 2675 return ret; 2676 } 2677 2678 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2679 struct ieee80211_supported_band *sband = wiphy->bands[i]; 2680 int j; 2681 2682 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2683 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 2684 sizeof(mask->control[i].ht_mcs)); 2685 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 2686 mask->control[i].vht_mcs, 2687 sizeof(mask->control[i].vht_mcs)); 2688 2689 sdata->rc_has_mcs_mask[i] = false; 2690 sdata->rc_has_vht_mcs_mask[i] = false; 2691 if (!sband) 2692 continue; 2693 2694 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 2695 if (~sdata->rc_rateidx_mcs_mask[i][j]) { 2696 sdata->rc_has_mcs_mask[i] = true; 2697 break; 2698 } 2699 } 2700 2701 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 2702 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { 2703 sdata->rc_has_vht_mcs_mask[i] = true; 2704 break; 2705 } 2706 } 2707 } 2708 2709 return 0; 2710 } 2711 2712 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 2713 struct net_device *dev, 2714 struct cfg80211_chan_def *chandef, 2715 u32 cac_time_ms) 2716 { 2717 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2718 struct ieee80211_local *local = sdata->local; 2719 int err; 2720 2721 mutex_lock(&local->mtx); 2722 if (!list_empty(&local->roc_list) || local->scanning) { 2723 err = -EBUSY; 2724 goto out_unlock; 2725 } 2726 2727 /* whatever, but channel contexts should not complain about that one */ 2728 sdata->smps_mode = IEEE80211_SMPS_OFF; 2729 sdata->needed_rx_chains = local->rx_chains; 2730 2731 err = ieee80211_vif_use_channel(sdata, chandef, 2732 IEEE80211_CHANCTX_SHARED); 2733 if (err) 2734 goto out_unlock; 2735 2736 ieee80211_queue_delayed_work(&sdata->local->hw, 2737 &sdata->dfs_cac_timer_work, 2738 msecs_to_jiffies(cac_time_ms)); 2739 2740 out_unlock: 2741 mutex_unlock(&local->mtx); 2742 return err; 2743 } 2744 2745 static struct cfg80211_beacon_data * 2746 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 2747 { 2748 struct cfg80211_beacon_data *new_beacon; 2749 u8 *pos; 2750 int len; 2751 2752 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 2753 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 2754 beacon->probe_resp_len; 2755 2756 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 2757 if (!new_beacon) 2758 return NULL; 2759 2760 pos = (u8 *)(new_beacon + 1); 2761 if (beacon->head_len) { 2762 new_beacon->head_len = beacon->head_len; 2763 new_beacon->head = pos; 2764 memcpy(pos, beacon->head, beacon->head_len); 2765 pos += beacon->head_len; 2766 } 2767 if (beacon->tail_len) { 2768 new_beacon->tail_len = beacon->tail_len; 2769 new_beacon->tail = pos; 2770 memcpy(pos, beacon->tail, beacon->tail_len); 2771 pos += beacon->tail_len; 2772 } 2773 if (beacon->beacon_ies_len) { 2774 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 2775 new_beacon->beacon_ies = pos; 2776 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 2777 pos += beacon->beacon_ies_len; 2778 } 2779 if (beacon->proberesp_ies_len) { 2780 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 2781 new_beacon->proberesp_ies = pos; 2782 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 2783 pos += beacon->proberesp_ies_len; 2784 } 2785 if (beacon->assocresp_ies_len) { 2786 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 2787 new_beacon->assocresp_ies = pos; 2788 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 2789 pos += beacon->assocresp_ies_len; 2790 } 2791 if (beacon->probe_resp_len) { 2792 new_beacon->probe_resp_len = beacon->probe_resp_len; 2793 beacon->probe_resp = pos; 2794 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 2795 pos += beacon->probe_resp_len; 2796 } 2797 2798 return new_beacon; 2799 } 2800 2801 void ieee80211_csa_finish(struct ieee80211_vif *vif) 2802 { 2803 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 2804 2805 ieee80211_queue_work(&sdata->local->hw, 2806 &sdata->csa_finalize_work); 2807 } 2808 EXPORT_SYMBOL(ieee80211_csa_finish); 2809 2810 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 2811 u32 *changed) 2812 { 2813 int err; 2814 2815 switch (sdata->vif.type) { 2816 case NL80211_IFTYPE_AP: 2817 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, 2818 NULL); 2819 kfree(sdata->u.ap.next_beacon); 2820 sdata->u.ap.next_beacon = NULL; 2821 2822 if (err < 0) 2823 return err; 2824 *changed |= err; 2825 break; 2826 case NL80211_IFTYPE_ADHOC: 2827 err = ieee80211_ibss_finish_csa(sdata); 2828 if (err < 0) 2829 return err; 2830 *changed |= err; 2831 break; 2832 #ifdef CONFIG_MAC80211_MESH 2833 case NL80211_IFTYPE_MESH_POINT: 2834 err = ieee80211_mesh_finish_csa(sdata); 2835 if (err < 0) 2836 return err; 2837 *changed |= err; 2838 break; 2839 #endif 2840 default: 2841 WARN_ON(1); 2842 return -EINVAL; 2843 } 2844 2845 return 0; 2846 } 2847 2848 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2849 { 2850 struct ieee80211_local *local = sdata->local; 2851 u32 changed = 0; 2852 int err; 2853 2854 sdata_assert_lock(sdata); 2855 lockdep_assert_held(&local->mtx); 2856 lockdep_assert_held(&local->chanctx_mtx); 2857 2858 /* 2859 * using reservation isn't immediate as it may be deferred until later 2860 * with multi-vif. once reservation is complete it will re-schedule the 2861 * work with no reserved_chanctx so verify chandef to check if it 2862 * completed successfully 2863 */ 2864 2865 if (sdata->reserved_chanctx) { 2866 /* 2867 * with multi-vif csa driver may call ieee80211_csa_finish() 2868 * many times while waiting for other interfaces to use their 2869 * reservations 2870 */ 2871 if (sdata->reserved_ready) 2872 return 0; 2873 2874 return ieee80211_vif_use_reserved_context(sdata); 2875 } 2876 2877 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 2878 &sdata->csa_chandef)) 2879 return -EINVAL; 2880 2881 sdata->vif.csa_active = false; 2882 2883 err = ieee80211_set_after_csa_beacon(sdata, &changed); 2884 if (err) 2885 return err; 2886 2887 ieee80211_bss_info_change_notify(sdata, changed); 2888 2889 if (sdata->csa_block_tx) { 2890 ieee80211_wake_vif_queues(local, sdata, 2891 IEEE80211_QUEUE_STOP_REASON_CSA); 2892 sdata->csa_block_tx = false; 2893 } 2894 2895 err = drv_post_channel_switch(sdata); 2896 if (err) 2897 return err; 2898 2899 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); 2900 2901 return 0; 2902 } 2903 2904 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2905 { 2906 if (__ieee80211_csa_finalize(sdata)) { 2907 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 2908 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 2909 GFP_KERNEL); 2910 } 2911 } 2912 2913 void ieee80211_csa_finalize_work(struct work_struct *work) 2914 { 2915 struct ieee80211_sub_if_data *sdata = 2916 container_of(work, struct ieee80211_sub_if_data, 2917 csa_finalize_work); 2918 struct ieee80211_local *local = sdata->local; 2919 2920 sdata_lock(sdata); 2921 mutex_lock(&local->mtx); 2922 mutex_lock(&local->chanctx_mtx); 2923 2924 /* AP might have been stopped while waiting for the lock. */ 2925 if (!sdata->vif.csa_active) 2926 goto unlock; 2927 2928 if (!ieee80211_sdata_running(sdata)) 2929 goto unlock; 2930 2931 ieee80211_csa_finalize(sdata); 2932 2933 unlock: 2934 mutex_unlock(&local->chanctx_mtx); 2935 mutex_unlock(&local->mtx); 2936 sdata_unlock(sdata); 2937 } 2938 2939 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 2940 struct cfg80211_csa_settings *params, 2941 u32 *changed) 2942 { 2943 struct ieee80211_csa_settings csa = {}; 2944 int err; 2945 2946 switch (sdata->vif.type) { 2947 case NL80211_IFTYPE_AP: 2948 sdata->u.ap.next_beacon = 2949 cfg80211_beacon_dup(¶ms->beacon_after); 2950 if (!sdata->u.ap.next_beacon) 2951 return -ENOMEM; 2952 2953 /* 2954 * With a count of 0, we don't have to wait for any 2955 * TBTT before switching, so complete the CSA 2956 * immediately. In theory, with a count == 1 we 2957 * should delay the switch until just before the next 2958 * TBTT, but that would complicate things so we switch 2959 * immediately too. If we would delay the switch 2960 * until the next TBTT, we would have to set the probe 2961 * response here. 2962 * 2963 * TODO: A channel switch with count <= 1 without 2964 * sending a CSA action frame is kind of useless, 2965 * because the clients won't know we're changing 2966 * channels. The action frame must be implemented 2967 * either here or in the userspace. 2968 */ 2969 if (params->count <= 1) 2970 break; 2971 2972 if ((params->n_counter_offsets_beacon > 2973 IEEE80211_MAX_CSA_COUNTERS_NUM) || 2974 (params->n_counter_offsets_presp > 2975 IEEE80211_MAX_CSA_COUNTERS_NUM)) 2976 return -EINVAL; 2977 2978 csa.counter_offsets_beacon = params->counter_offsets_beacon; 2979 csa.counter_offsets_presp = params->counter_offsets_presp; 2980 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 2981 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 2982 csa.count = params->count; 2983 2984 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); 2985 if (err < 0) { 2986 kfree(sdata->u.ap.next_beacon); 2987 return err; 2988 } 2989 *changed |= err; 2990 2991 break; 2992 case NL80211_IFTYPE_ADHOC: 2993 if (!sdata->vif.bss_conf.ibss_joined) 2994 return -EINVAL; 2995 2996 if (params->chandef.width != sdata->u.ibss.chandef.width) 2997 return -EINVAL; 2998 2999 switch (params->chandef.width) { 3000 case NL80211_CHAN_WIDTH_40: 3001 if (cfg80211_get_chandef_type(¶ms->chandef) != 3002 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3003 return -EINVAL; 3004 case NL80211_CHAN_WIDTH_5: 3005 case NL80211_CHAN_WIDTH_10: 3006 case NL80211_CHAN_WIDTH_20_NOHT: 3007 case NL80211_CHAN_WIDTH_20: 3008 break; 3009 default: 3010 return -EINVAL; 3011 } 3012 3013 /* changes into another band are not supported */ 3014 if (sdata->u.ibss.chandef.chan->band != 3015 params->chandef.chan->band) 3016 return -EINVAL; 3017 3018 /* see comments in the NL80211_IFTYPE_AP block */ 3019 if (params->count > 1) { 3020 err = ieee80211_ibss_csa_beacon(sdata, params); 3021 if (err < 0) 3022 return err; 3023 *changed |= err; 3024 } 3025 3026 ieee80211_send_action_csa(sdata, params); 3027 3028 break; 3029 #ifdef CONFIG_MAC80211_MESH 3030 case NL80211_IFTYPE_MESH_POINT: { 3031 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3032 3033 if (params->chandef.width != sdata->vif.bss_conf.chandef.width) 3034 return -EINVAL; 3035 3036 /* changes into another band are not supported */ 3037 if (sdata->vif.bss_conf.chandef.chan->band != 3038 params->chandef.chan->band) 3039 return -EINVAL; 3040 3041 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3042 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3043 if (!ifmsh->pre_value) 3044 ifmsh->pre_value = 1; 3045 else 3046 ifmsh->pre_value++; 3047 } 3048 3049 /* see comments in the NL80211_IFTYPE_AP block */ 3050 if (params->count > 1) { 3051 err = ieee80211_mesh_csa_beacon(sdata, params); 3052 if (err < 0) { 3053 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3054 return err; 3055 } 3056 *changed |= err; 3057 } 3058 3059 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3060 ieee80211_send_action_csa(sdata, params); 3061 3062 break; 3063 } 3064 #endif 3065 default: 3066 return -EOPNOTSUPP; 3067 } 3068 3069 return 0; 3070 } 3071 3072 static int 3073 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3074 struct cfg80211_csa_settings *params) 3075 { 3076 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3077 struct ieee80211_local *local = sdata->local; 3078 struct ieee80211_channel_switch ch_switch; 3079 struct ieee80211_chanctx_conf *conf; 3080 struct ieee80211_chanctx *chanctx; 3081 u32 changed = 0; 3082 int err; 3083 3084 sdata_assert_lock(sdata); 3085 lockdep_assert_held(&local->mtx); 3086 3087 if (!list_empty(&local->roc_list) || local->scanning) 3088 return -EBUSY; 3089 3090 if (sdata->wdev.cac_started) 3091 return -EBUSY; 3092 3093 if (cfg80211_chandef_identical(¶ms->chandef, 3094 &sdata->vif.bss_conf.chandef)) 3095 return -EINVAL; 3096 3097 /* don't allow another channel switch if one is already active. */ 3098 if (sdata->vif.csa_active) 3099 return -EBUSY; 3100 3101 mutex_lock(&local->chanctx_mtx); 3102 conf = rcu_dereference_protected(sdata->vif.chanctx_conf, 3103 lockdep_is_held(&local->chanctx_mtx)); 3104 if (!conf) { 3105 err = -EBUSY; 3106 goto out; 3107 } 3108 3109 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3110 3111 ch_switch.timestamp = 0; 3112 ch_switch.device_timestamp = 0; 3113 ch_switch.block_tx = params->block_tx; 3114 ch_switch.chandef = params->chandef; 3115 ch_switch.count = params->count; 3116 3117 err = drv_pre_channel_switch(sdata, &ch_switch); 3118 if (err) 3119 goto out; 3120 3121 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, 3122 chanctx->mode, 3123 params->radar_required); 3124 if (err) 3125 goto out; 3126 3127 /* if reservation is invalid then this will fail */ 3128 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3129 if (err) { 3130 ieee80211_vif_unreserve_chanctx(sdata); 3131 goto out; 3132 } 3133 3134 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3135 if (err) { 3136 ieee80211_vif_unreserve_chanctx(sdata); 3137 goto out; 3138 } 3139 3140 sdata->csa_chandef = params->chandef; 3141 sdata->csa_block_tx = params->block_tx; 3142 sdata->vif.csa_active = true; 3143 3144 if (sdata->csa_block_tx) 3145 ieee80211_stop_vif_queues(local, sdata, 3146 IEEE80211_QUEUE_STOP_REASON_CSA); 3147 3148 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, 3149 params->count); 3150 3151 if (changed) { 3152 ieee80211_bss_info_change_notify(sdata, changed); 3153 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3154 } else { 3155 /* if the beacon didn't change, we can finalize immediately */ 3156 ieee80211_csa_finalize(sdata); 3157 } 3158 3159 out: 3160 mutex_unlock(&local->chanctx_mtx); 3161 return err; 3162 } 3163 3164 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3165 struct cfg80211_csa_settings *params) 3166 { 3167 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3168 struct ieee80211_local *local = sdata->local; 3169 int err; 3170 3171 mutex_lock(&local->mtx); 3172 err = __ieee80211_channel_switch(wiphy, dev, params); 3173 mutex_unlock(&local->mtx); 3174 3175 return err; 3176 } 3177 3178 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3179 { 3180 lockdep_assert_held(&local->mtx); 3181 3182 local->roc_cookie_counter++; 3183 3184 /* wow, you wrapped 64 bits ... more likely a bug */ 3185 if (WARN_ON(local->roc_cookie_counter == 0)) 3186 local->roc_cookie_counter++; 3187 3188 return local->roc_cookie_counter; 3189 } 3190 3191 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3192 u64 *cookie, gfp_t gfp) 3193 { 3194 unsigned long spin_flags; 3195 struct sk_buff *ack_skb; 3196 int id; 3197 3198 ack_skb = skb_copy(skb, gfp); 3199 if (!ack_skb) 3200 return -ENOMEM; 3201 3202 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3203 id = idr_alloc(&local->ack_status_frames, ack_skb, 3204 1, 0x10000, GFP_ATOMIC); 3205 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3206 3207 if (id < 0) { 3208 kfree_skb(ack_skb); 3209 return -ENOMEM; 3210 } 3211 3212 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3213 3214 *cookie = ieee80211_mgmt_tx_cookie(local); 3215 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3216 3217 return 0; 3218 } 3219 3220 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 3221 struct wireless_dev *wdev, 3222 u16 frame_type, bool reg) 3223 { 3224 struct ieee80211_local *local = wiphy_priv(wiphy); 3225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3226 3227 switch (frame_type) { 3228 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: 3229 if (reg) { 3230 local->probe_req_reg++; 3231 sdata->vif.probe_req_reg++; 3232 } else { 3233 if (local->probe_req_reg) 3234 local->probe_req_reg--; 3235 3236 if (sdata->vif.probe_req_reg) 3237 sdata->vif.probe_req_reg--; 3238 } 3239 3240 if (!local->open_count) 3241 break; 3242 3243 if (sdata->vif.probe_req_reg == 1) 3244 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, 3245 FIF_PROBE_REQ); 3246 else if (sdata->vif.probe_req_reg == 0) 3247 drv_config_iface_filter(local, sdata, 0, 3248 FIF_PROBE_REQ); 3249 3250 ieee80211_configure_filter(local); 3251 break; 3252 default: 3253 break; 3254 } 3255 } 3256 3257 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3258 { 3259 struct ieee80211_local *local = wiphy_priv(wiphy); 3260 3261 if (local->started) 3262 return -EOPNOTSUPP; 3263 3264 return drv_set_antenna(local, tx_ant, rx_ant); 3265 } 3266 3267 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3268 { 3269 struct ieee80211_local *local = wiphy_priv(wiphy); 3270 3271 return drv_get_antenna(local, tx_ant, rx_ant); 3272 } 3273 3274 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3275 struct net_device *dev, 3276 struct cfg80211_gtk_rekey_data *data) 3277 { 3278 struct ieee80211_local *local = wiphy_priv(wiphy); 3279 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3280 3281 if (!local->ops->set_rekey_data) 3282 return -EOPNOTSUPP; 3283 3284 drv_set_rekey_data(local, sdata, data); 3285 3286 return 0; 3287 } 3288 3289 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3290 const u8 *peer, u64 *cookie) 3291 { 3292 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3293 struct ieee80211_local *local = sdata->local; 3294 struct ieee80211_qos_hdr *nullfunc; 3295 struct sk_buff *skb; 3296 int size = sizeof(*nullfunc); 3297 __le16 fc; 3298 bool qos; 3299 struct ieee80211_tx_info *info; 3300 struct sta_info *sta; 3301 struct ieee80211_chanctx_conf *chanctx_conf; 3302 enum nl80211_band band; 3303 int ret; 3304 3305 /* the lock is needed to assign the cookie later */ 3306 mutex_lock(&local->mtx); 3307 3308 rcu_read_lock(); 3309 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3310 if (WARN_ON(!chanctx_conf)) { 3311 ret = -EINVAL; 3312 goto unlock; 3313 } 3314 band = chanctx_conf->def.chan->band; 3315 sta = sta_info_get_bss(sdata, peer); 3316 if (sta) { 3317 qos = sta->sta.wme; 3318 } else { 3319 ret = -ENOLINK; 3320 goto unlock; 3321 } 3322 3323 if (qos) { 3324 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3325 IEEE80211_STYPE_QOS_NULLFUNC | 3326 IEEE80211_FCTL_FROMDS); 3327 } else { 3328 size -= 2; 3329 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3330 IEEE80211_STYPE_NULLFUNC | 3331 IEEE80211_FCTL_FROMDS); 3332 } 3333 3334 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3335 if (!skb) { 3336 ret = -ENOMEM; 3337 goto unlock; 3338 } 3339 3340 skb->dev = dev; 3341 3342 skb_reserve(skb, local->hw.extra_tx_headroom); 3343 3344 nullfunc = (void *) skb_put(skb, size); 3345 nullfunc->frame_control = fc; 3346 nullfunc->duration_id = 0; 3347 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3348 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3349 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3350 nullfunc->seq_ctrl = 0; 3351 3352 info = IEEE80211_SKB_CB(skb); 3353 3354 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3355 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3356 info->band = band; 3357 3358 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3359 skb->priority = 7; 3360 if (qos) 3361 nullfunc->qos_ctrl = cpu_to_le16(7); 3362 3363 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 3364 if (ret) { 3365 kfree_skb(skb); 3366 goto unlock; 3367 } 3368 3369 local_bh_disable(); 3370 ieee80211_xmit(sdata, sta, skb); 3371 local_bh_enable(); 3372 3373 ret = 0; 3374 unlock: 3375 rcu_read_unlock(); 3376 mutex_unlock(&local->mtx); 3377 3378 return ret; 3379 } 3380 3381 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 3382 struct wireless_dev *wdev, 3383 struct cfg80211_chan_def *chandef) 3384 { 3385 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3386 struct ieee80211_local *local = wiphy_priv(wiphy); 3387 struct ieee80211_chanctx_conf *chanctx_conf; 3388 int ret = -ENODATA; 3389 3390 rcu_read_lock(); 3391 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3392 if (chanctx_conf) { 3393 *chandef = sdata->vif.bss_conf.chandef; 3394 ret = 0; 3395 } else if (local->open_count > 0 && 3396 local->open_count == local->monitors && 3397 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 3398 if (local->use_chanctx) 3399 *chandef = local->monitor_chandef; 3400 else 3401 *chandef = local->_oper_chandef; 3402 ret = 0; 3403 } 3404 rcu_read_unlock(); 3405 3406 return ret; 3407 } 3408 3409 #ifdef CONFIG_PM 3410 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3411 { 3412 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3413 } 3414 #endif 3415 3416 static int ieee80211_set_qos_map(struct wiphy *wiphy, 3417 struct net_device *dev, 3418 struct cfg80211_qos_map *qos_map) 3419 { 3420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3421 struct mac80211_qos_map *new_qos_map, *old_qos_map; 3422 3423 if (qos_map) { 3424 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 3425 if (!new_qos_map) 3426 return -ENOMEM; 3427 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 3428 } else { 3429 /* A NULL qos_map was passed to disable QoS mapping */ 3430 new_qos_map = NULL; 3431 } 3432 3433 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 3434 rcu_assign_pointer(sdata->qos_map, new_qos_map); 3435 if (old_qos_map) 3436 kfree_rcu(old_qos_map, rcu_head); 3437 3438 return 0; 3439 } 3440 3441 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 3442 struct net_device *dev, 3443 struct cfg80211_chan_def *chandef) 3444 { 3445 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3446 int ret; 3447 u32 changed = 0; 3448 3449 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); 3450 if (ret == 0) 3451 ieee80211_bss_info_change_notify(sdata, changed); 3452 3453 return ret; 3454 } 3455 3456 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3457 u8 tsid, const u8 *peer, u8 up, 3458 u16 admitted_time) 3459 { 3460 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3461 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3462 int ac = ieee802_1d_to_ac[up]; 3463 3464 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3465 return -EOPNOTSUPP; 3466 3467 if (!(sdata->wmm_acm & BIT(up))) 3468 return -EINVAL; 3469 3470 if (ifmgd->tx_tspec[ac].admitted_time) 3471 return -EBUSY; 3472 3473 if (admitted_time) { 3474 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 3475 ifmgd->tx_tspec[ac].tsid = tsid; 3476 ifmgd->tx_tspec[ac].up = up; 3477 } 3478 3479 return 0; 3480 } 3481 3482 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3483 u8 tsid, const u8 *peer) 3484 { 3485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3486 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3487 struct ieee80211_local *local = wiphy_priv(wiphy); 3488 int ac; 3489 3490 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 3491 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 3492 3493 /* skip unused entries */ 3494 if (!tx_tspec->admitted_time) 3495 continue; 3496 3497 if (tx_tspec->tsid != tsid) 3498 continue; 3499 3500 /* due to this new packets will be reassigned to non-ACM ACs */ 3501 tx_tspec->up = -1; 3502 3503 /* Make sure that all packets have been sent to avoid to 3504 * restore the QoS params on packets that are still on the 3505 * queues. 3506 */ 3507 synchronize_net(); 3508 ieee80211_flush_queues(local, sdata, false); 3509 3510 /* restore the normal QoS parameters 3511 * (unconditionally to avoid races) 3512 */ 3513 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 3514 tx_tspec->downgraded = false; 3515 ieee80211_sta_handle_tspec_ac_params(sdata); 3516 3517 /* finally clear all the data */ 3518 memset(tx_tspec, 0, sizeof(*tx_tspec)); 3519 3520 return 0; 3521 } 3522 3523 return -ENOENT; 3524 } 3525 3526 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 3527 u8 inst_id, 3528 enum nl80211_nan_func_term_reason reason, 3529 gfp_t gfp) 3530 { 3531 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3532 struct cfg80211_nan_func *func; 3533 u64 cookie; 3534 3535 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3536 return; 3537 3538 spin_lock_bh(&sdata->u.nan.func_lock); 3539 3540 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 3541 if (WARN_ON(!func)) { 3542 spin_unlock_bh(&sdata->u.nan.func_lock); 3543 return; 3544 } 3545 3546 cookie = func->cookie; 3547 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 3548 3549 spin_unlock_bh(&sdata->u.nan.func_lock); 3550 3551 cfg80211_free_nan_func(func); 3552 3553 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 3554 reason, cookie, gfp); 3555 } 3556 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 3557 3558 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 3559 struct cfg80211_nan_match_params *match, 3560 gfp_t gfp) 3561 { 3562 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3563 struct cfg80211_nan_func *func; 3564 3565 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3566 return; 3567 3568 spin_lock_bh(&sdata->u.nan.func_lock); 3569 3570 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 3571 if (WARN_ON(!func)) { 3572 spin_unlock_bh(&sdata->u.nan.func_lock); 3573 return; 3574 } 3575 match->cookie = func->cookie; 3576 3577 spin_unlock_bh(&sdata->u.nan.func_lock); 3578 3579 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 3580 } 3581 EXPORT_SYMBOL(ieee80211_nan_func_match); 3582 3583 const struct cfg80211_ops mac80211_config_ops = { 3584 .add_virtual_intf = ieee80211_add_iface, 3585 .del_virtual_intf = ieee80211_del_iface, 3586 .change_virtual_intf = ieee80211_change_iface, 3587 .start_p2p_device = ieee80211_start_p2p_device, 3588 .stop_p2p_device = ieee80211_stop_p2p_device, 3589 .add_key = ieee80211_add_key, 3590 .del_key = ieee80211_del_key, 3591 .get_key = ieee80211_get_key, 3592 .set_default_key = ieee80211_config_default_key, 3593 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 3594 .start_ap = ieee80211_start_ap, 3595 .change_beacon = ieee80211_change_beacon, 3596 .stop_ap = ieee80211_stop_ap, 3597 .add_station = ieee80211_add_station, 3598 .del_station = ieee80211_del_station, 3599 .change_station = ieee80211_change_station, 3600 .get_station = ieee80211_get_station, 3601 .dump_station = ieee80211_dump_station, 3602 .dump_survey = ieee80211_dump_survey, 3603 #ifdef CONFIG_MAC80211_MESH 3604 .add_mpath = ieee80211_add_mpath, 3605 .del_mpath = ieee80211_del_mpath, 3606 .change_mpath = ieee80211_change_mpath, 3607 .get_mpath = ieee80211_get_mpath, 3608 .dump_mpath = ieee80211_dump_mpath, 3609 .get_mpp = ieee80211_get_mpp, 3610 .dump_mpp = ieee80211_dump_mpp, 3611 .update_mesh_config = ieee80211_update_mesh_config, 3612 .get_mesh_config = ieee80211_get_mesh_config, 3613 .join_mesh = ieee80211_join_mesh, 3614 .leave_mesh = ieee80211_leave_mesh, 3615 #endif 3616 .join_ocb = ieee80211_join_ocb, 3617 .leave_ocb = ieee80211_leave_ocb, 3618 .change_bss = ieee80211_change_bss, 3619 .set_txq_params = ieee80211_set_txq_params, 3620 .set_monitor_channel = ieee80211_set_monitor_channel, 3621 .suspend = ieee80211_suspend, 3622 .resume = ieee80211_resume, 3623 .scan = ieee80211_scan, 3624 .abort_scan = ieee80211_abort_scan, 3625 .sched_scan_start = ieee80211_sched_scan_start, 3626 .sched_scan_stop = ieee80211_sched_scan_stop, 3627 .auth = ieee80211_auth, 3628 .assoc = ieee80211_assoc, 3629 .deauth = ieee80211_deauth, 3630 .disassoc = ieee80211_disassoc, 3631 .join_ibss = ieee80211_join_ibss, 3632 .leave_ibss = ieee80211_leave_ibss, 3633 .set_mcast_rate = ieee80211_set_mcast_rate, 3634 .set_wiphy_params = ieee80211_set_wiphy_params, 3635 .set_tx_power = ieee80211_set_tx_power, 3636 .get_tx_power = ieee80211_get_tx_power, 3637 .set_wds_peer = ieee80211_set_wds_peer, 3638 .rfkill_poll = ieee80211_rfkill_poll, 3639 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 3640 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 3641 .set_power_mgmt = ieee80211_set_power_mgmt, 3642 .set_bitrate_mask = ieee80211_set_bitrate_mask, 3643 .remain_on_channel = ieee80211_remain_on_channel, 3644 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 3645 .mgmt_tx = ieee80211_mgmt_tx, 3646 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 3647 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 3648 .mgmt_frame_register = ieee80211_mgmt_frame_register, 3649 .set_antenna = ieee80211_set_antenna, 3650 .get_antenna = ieee80211_get_antenna, 3651 .set_rekey_data = ieee80211_set_rekey_data, 3652 .tdls_oper = ieee80211_tdls_oper, 3653 .tdls_mgmt = ieee80211_tdls_mgmt, 3654 .tdls_channel_switch = ieee80211_tdls_channel_switch, 3655 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 3656 .probe_client = ieee80211_probe_client, 3657 .set_noack_map = ieee80211_set_noack_map, 3658 #ifdef CONFIG_PM 3659 .set_wakeup = ieee80211_set_wakeup, 3660 #endif 3661 .get_channel = ieee80211_cfg_get_channel, 3662 .start_radar_detection = ieee80211_start_radar_detection, 3663 .channel_switch = ieee80211_channel_switch, 3664 .set_qos_map = ieee80211_set_qos_map, 3665 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 3666 .add_tx_ts = ieee80211_add_tx_ts, 3667 .del_tx_ts = ieee80211_del_tx_ts, 3668 .start_nan = ieee80211_start_nan, 3669 .stop_nan = ieee80211_stop_nan, 3670 .nan_change_conf = ieee80211_nan_change_conf, 3671 .add_nan_func = ieee80211_add_nan_func, 3672 .del_nan_func = ieee80211_del_nan_func, 3673 }; 3674