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_BANDS) 212 new_conf.bands = conf->bands; 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 sta = sta_info_get_bss(sdata, mac_addr); 361 /* 362 * The ASSOC test makes sure the driver is ready to 363 * receive the key. When wpa_supplicant has roamed 364 * using FT, it attempts to set the key before 365 * association has completed, this rejects that attempt 366 * so it will set the key again after association. 367 * 368 * TODO: accept the key if we have a station entry and 369 * add it to the device after the station. 370 */ 371 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 372 ieee80211_key_free_unused(key); 373 err = -ENOENT; 374 goto out_unlock; 375 } 376 } 377 378 switch (sdata->vif.type) { 379 case NL80211_IFTYPE_STATION: 380 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 381 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 382 break; 383 case NL80211_IFTYPE_AP: 384 case NL80211_IFTYPE_AP_VLAN: 385 /* Keys without a station are used for TX only */ 386 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) 387 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 388 break; 389 case NL80211_IFTYPE_ADHOC: 390 /* no MFP (yet) */ 391 break; 392 case NL80211_IFTYPE_MESH_POINT: 393 #ifdef CONFIG_MAC80211_MESH 394 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 395 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 396 break; 397 #endif 398 case NL80211_IFTYPE_WDS: 399 case NL80211_IFTYPE_MONITOR: 400 case NL80211_IFTYPE_P2P_DEVICE: 401 case NL80211_IFTYPE_NAN: 402 case NL80211_IFTYPE_UNSPECIFIED: 403 case NUM_NL80211_IFTYPES: 404 case NL80211_IFTYPE_P2P_CLIENT: 405 case NL80211_IFTYPE_P2P_GO: 406 case NL80211_IFTYPE_OCB: 407 /* shouldn't happen */ 408 WARN_ON_ONCE(1); 409 break; 410 } 411 412 if (sta) 413 sta->cipher_scheme = cs; 414 415 err = ieee80211_key_link(key, sdata, sta); 416 417 out_unlock: 418 mutex_unlock(&local->sta_mtx); 419 420 return err; 421 } 422 423 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 424 u8 key_idx, bool pairwise, const u8 *mac_addr) 425 { 426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 427 struct ieee80211_local *local = sdata->local; 428 struct sta_info *sta; 429 struct ieee80211_key *key = NULL; 430 int ret; 431 432 mutex_lock(&local->sta_mtx); 433 mutex_lock(&local->key_mtx); 434 435 if (mac_addr) { 436 ret = -ENOENT; 437 438 sta = sta_info_get_bss(sdata, mac_addr); 439 if (!sta) 440 goto out_unlock; 441 442 if (pairwise) 443 key = key_mtx_dereference(local, sta->ptk[key_idx]); 444 else 445 key = key_mtx_dereference(local, sta->gtk[key_idx]); 446 } else 447 key = key_mtx_dereference(local, sdata->keys[key_idx]); 448 449 if (!key) { 450 ret = -ENOENT; 451 goto out_unlock; 452 } 453 454 ieee80211_key_free(key, true); 455 456 ret = 0; 457 out_unlock: 458 mutex_unlock(&local->key_mtx); 459 mutex_unlock(&local->sta_mtx); 460 461 return ret; 462 } 463 464 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 465 u8 key_idx, bool pairwise, const u8 *mac_addr, 466 void *cookie, 467 void (*callback)(void *cookie, 468 struct key_params *params)) 469 { 470 struct ieee80211_sub_if_data *sdata; 471 struct sta_info *sta = NULL; 472 u8 seq[6] = {0}; 473 struct key_params params; 474 struct ieee80211_key *key = NULL; 475 u64 pn64; 476 u32 iv32; 477 u16 iv16; 478 int err = -ENOENT; 479 struct ieee80211_key_seq kseq = {}; 480 481 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 482 483 rcu_read_lock(); 484 485 if (mac_addr) { 486 sta = sta_info_get_bss(sdata, mac_addr); 487 if (!sta) 488 goto out; 489 490 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 491 key = rcu_dereference(sta->ptk[key_idx]); 492 else if (!pairwise && 493 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) 494 key = rcu_dereference(sta->gtk[key_idx]); 495 } else 496 key = rcu_dereference(sdata->keys[key_idx]); 497 498 if (!key) 499 goto out; 500 501 memset(¶ms, 0, sizeof(params)); 502 503 params.cipher = key->conf.cipher; 504 505 switch (key->conf.cipher) { 506 case WLAN_CIPHER_SUITE_TKIP: 507 pn64 = atomic64_read(&key->conf.tx_pn); 508 iv32 = TKIP_PN_TO_IV32(pn64); 509 iv16 = TKIP_PN_TO_IV16(pn64); 510 511 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 512 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 513 drv_get_key_seq(sdata->local, key, &kseq); 514 iv32 = kseq.tkip.iv32; 515 iv16 = kseq.tkip.iv16; 516 } 517 518 seq[0] = iv16 & 0xff; 519 seq[1] = (iv16 >> 8) & 0xff; 520 seq[2] = iv32 & 0xff; 521 seq[3] = (iv32 >> 8) & 0xff; 522 seq[4] = (iv32 >> 16) & 0xff; 523 seq[5] = (iv32 >> 24) & 0xff; 524 params.seq = seq; 525 params.seq_len = 6; 526 break; 527 case WLAN_CIPHER_SUITE_CCMP: 528 case WLAN_CIPHER_SUITE_CCMP_256: 529 case WLAN_CIPHER_SUITE_AES_CMAC: 530 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 531 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 532 offsetof(typeof(kseq), aes_cmac)); 533 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 534 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 535 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 536 offsetof(typeof(kseq), aes_gmac)); 537 case WLAN_CIPHER_SUITE_GCMP: 538 case WLAN_CIPHER_SUITE_GCMP_256: 539 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) != 540 offsetof(typeof(kseq), gcmp)); 541 542 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && 543 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { 544 drv_get_key_seq(sdata->local, key, &kseq); 545 memcpy(seq, kseq.ccmp.pn, 6); 546 } else { 547 pn64 = atomic64_read(&key->conf.tx_pn); 548 seq[0] = pn64; 549 seq[1] = pn64 >> 8; 550 seq[2] = pn64 >> 16; 551 seq[3] = pn64 >> 24; 552 seq[4] = pn64 >> 32; 553 seq[5] = pn64 >> 40; 554 } 555 params.seq = seq; 556 params.seq_len = 6; 557 break; 558 default: 559 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) 560 break; 561 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) 562 break; 563 drv_get_key_seq(sdata->local, key, &kseq); 564 params.seq = kseq.hw.seq; 565 params.seq_len = kseq.hw.seq_len; 566 break; 567 } 568 569 params.key = key->conf.key; 570 params.key_len = key->conf.keylen; 571 572 callback(cookie, ¶ms); 573 err = 0; 574 575 out: 576 rcu_read_unlock(); 577 return err; 578 } 579 580 static int ieee80211_config_default_key(struct wiphy *wiphy, 581 struct net_device *dev, 582 u8 key_idx, bool uni, 583 bool multi) 584 { 585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 586 587 ieee80211_set_default_key(sdata, key_idx, uni, multi); 588 589 return 0; 590 } 591 592 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 593 struct net_device *dev, 594 u8 key_idx) 595 { 596 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 597 598 ieee80211_set_default_mgmt_key(sdata, key_idx); 599 600 return 0; 601 } 602 603 void sta_set_rate_info_tx(struct sta_info *sta, 604 const struct ieee80211_tx_rate *rate, 605 struct rate_info *rinfo) 606 { 607 rinfo->flags = 0; 608 if (rate->flags & IEEE80211_TX_RC_MCS) { 609 rinfo->flags |= RATE_INFO_FLAGS_MCS; 610 rinfo->mcs = rate->idx; 611 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 612 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 613 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 614 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 615 } else { 616 struct ieee80211_supported_band *sband; 617 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 618 u16 brate; 619 620 sband = sta->local->hw.wiphy->bands[ 621 ieee80211_get_sdata_band(sta->sdata)]; 622 brate = sband->bitrates[rate->idx].bitrate; 623 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 624 } 625 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 626 rinfo->bw = RATE_INFO_BW_40; 627 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 628 rinfo->bw = RATE_INFO_BW_80; 629 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 630 rinfo->bw = RATE_INFO_BW_160; 631 else 632 rinfo->bw = RATE_INFO_BW_20; 633 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 634 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 635 } 636 637 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 638 int idx, u8 *mac, struct station_info *sinfo) 639 { 640 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 641 struct ieee80211_local *local = sdata->local; 642 struct sta_info *sta; 643 int ret = -ENOENT; 644 645 mutex_lock(&local->sta_mtx); 646 647 sta = sta_info_get_by_idx(sdata, idx); 648 if (sta) { 649 ret = 0; 650 memcpy(mac, sta->sta.addr, ETH_ALEN); 651 sta_set_sinfo(sta, sinfo); 652 } 653 654 mutex_unlock(&local->sta_mtx); 655 656 return ret; 657 } 658 659 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 660 int idx, struct survey_info *survey) 661 { 662 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 663 664 return drv_get_survey(local, idx, survey); 665 } 666 667 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 668 const u8 *mac, struct station_info *sinfo) 669 { 670 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 671 struct ieee80211_local *local = sdata->local; 672 struct sta_info *sta; 673 int ret = -ENOENT; 674 675 mutex_lock(&local->sta_mtx); 676 677 sta = sta_info_get_bss(sdata, mac); 678 if (sta) { 679 ret = 0; 680 sta_set_sinfo(sta, sinfo); 681 } 682 683 mutex_unlock(&local->sta_mtx); 684 685 return ret; 686 } 687 688 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 689 struct cfg80211_chan_def *chandef) 690 { 691 struct ieee80211_local *local = wiphy_priv(wiphy); 692 struct ieee80211_sub_if_data *sdata; 693 int ret = 0; 694 695 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 696 return 0; 697 698 mutex_lock(&local->mtx); 699 mutex_lock(&local->iflist_mtx); 700 if (local->use_chanctx) { 701 sdata = rcu_dereference_protected( 702 local->monitor_sdata, 703 lockdep_is_held(&local->iflist_mtx)); 704 if (sdata) { 705 ieee80211_vif_release_channel(sdata); 706 ret = ieee80211_vif_use_channel(sdata, chandef, 707 IEEE80211_CHANCTX_EXCLUSIVE); 708 } 709 } else if (local->open_count == local->monitors) { 710 local->_oper_chandef = *chandef; 711 ieee80211_hw_config(local, 0); 712 } 713 714 if (ret == 0) 715 local->monitor_chandef = *chandef; 716 mutex_unlock(&local->iflist_mtx); 717 mutex_unlock(&local->mtx); 718 719 return ret; 720 } 721 722 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 723 const u8 *resp, size_t resp_len, 724 const struct ieee80211_csa_settings *csa) 725 { 726 struct probe_resp *new, *old; 727 728 if (!resp || !resp_len) 729 return 1; 730 731 old = sdata_dereference(sdata->u.ap.probe_resp, sdata); 732 733 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 734 if (!new) 735 return -ENOMEM; 736 737 new->len = resp_len; 738 memcpy(new->data, resp, resp_len); 739 740 if (csa) 741 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, 742 csa->n_counter_offsets_presp * 743 sizeof(new->csa_counter_offsets[0])); 744 745 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 746 if (old) 747 kfree_rcu(old, rcu_head); 748 749 return 0; 750 } 751 752 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 753 struct cfg80211_beacon_data *params, 754 const struct ieee80211_csa_settings *csa) 755 { 756 struct beacon_data *new, *old; 757 int new_head_len, new_tail_len; 758 int size, err; 759 u32 changed = BSS_CHANGED_BEACON; 760 761 old = sdata_dereference(sdata->u.ap.beacon, sdata); 762 763 764 /* Need to have a beacon head if we don't have one yet */ 765 if (!params->head && !old) 766 return -EINVAL; 767 768 /* new or old head? */ 769 if (params->head) 770 new_head_len = params->head_len; 771 else 772 new_head_len = old->head_len; 773 774 /* new or old tail? */ 775 if (params->tail || !old) 776 /* params->tail_len will be zero for !params->tail */ 777 new_tail_len = params->tail_len; 778 else 779 new_tail_len = old->tail_len; 780 781 size = sizeof(*new) + new_head_len + new_tail_len; 782 783 new = kzalloc(size, GFP_KERNEL); 784 if (!new) 785 return -ENOMEM; 786 787 /* start filling the new info now */ 788 789 /* 790 * pointers go into the block we allocated, 791 * memory is | beacon_data | head | tail | 792 */ 793 new->head = ((u8 *) new) + sizeof(*new); 794 new->tail = new->head + new_head_len; 795 new->head_len = new_head_len; 796 new->tail_len = new_tail_len; 797 798 if (csa) { 799 new->csa_current_counter = csa->count; 800 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, 801 csa->n_counter_offsets_beacon * 802 sizeof(new->csa_counter_offsets[0])); 803 } 804 805 /* copy in head */ 806 if (params->head) 807 memcpy(new->head, params->head, new_head_len); 808 else 809 memcpy(new->head, old->head, new_head_len); 810 811 /* copy in optional tail */ 812 if (params->tail) 813 memcpy(new->tail, params->tail, new_tail_len); 814 else 815 if (old) 816 memcpy(new->tail, old->tail, new_tail_len); 817 818 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 819 params->probe_resp_len, csa); 820 if (err < 0) 821 return err; 822 if (err == 0) 823 changed |= BSS_CHANGED_AP_PROBE_RESP; 824 825 rcu_assign_pointer(sdata->u.ap.beacon, new); 826 827 if (old) 828 kfree_rcu(old, rcu_head); 829 830 return changed; 831 } 832 833 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 834 struct cfg80211_ap_settings *params) 835 { 836 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 837 struct ieee80211_local *local = sdata->local; 838 struct beacon_data *old; 839 struct ieee80211_sub_if_data *vlan; 840 u32 changed = BSS_CHANGED_BEACON_INT | 841 BSS_CHANGED_BEACON_ENABLED | 842 BSS_CHANGED_BEACON | 843 BSS_CHANGED_SSID | 844 BSS_CHANGED_P2P_PS | 845 BSS_CHANGED_TXPOWER; 846 int err; 847 848 old = sdata_dereference(sdata->u.ap.beacon, sdata); 849 if (old) 850 return -EALREADY; 851 852 switch (params->smps_mode) { 853 case NL80211_SMPS_OFF: 854 sdata->smps_mode = IEEE80211_SMPS_OFF; 855 break; 856 case NL80211_SMPS_STATIC: 857 sdata->smps_mode = IEEE80211_SMPS_STATIC; 858 break; 859 case NL80211_SMPS_DYNAMIC: 860 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; 861 break; 862 default: 863 return -EINVAL; 864 } 865 sdata->needed_rx_chains = sdata->local->rx_chains; 866 867 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 868 869 mutex_lock(&local->mtx); 870 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 871 IEEE80211_CHANCTX_SHARED); 872 if (!err) 873 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 874 mutex_unlock(&local->mtx); 875 if (err) 876 return err; 877 878 /* 879 * Apply control port protocol, this allows us to 880 * not encrypt dynamic WEP control frames. 881 */ 882 sdata->control_port_protocol = params->crypto.control_port_ethertype; 883 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 884 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 885 ¶ms->crypto, 886 sdata->vif.type); 887 888 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 889 vlan->control_port_protocol = 890 params->crypto.control_port_ethertype; 891 vlan->control_port_no_encrypt = 892 params->crypto.control_port_no_encrypt; 893 vlan->encrypt_headroom = 894 ieee80211_cs_headroom(sdata->local, 895 ¶ms->crypto, 896 vlan->vif.type); 897 } 898 899 sdata->vif.bss_conf.dtim_period = params->dtim_period; 900 sdata->vif.bss_conf.enable_beacon = true; 901 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; 902 903 sdata->vif.bss_conf.ssid_len = params->ssid_len; 904 if (params->ssid_len) 905 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 906 params->ssid_len); 907 sdata->vif.bss_conf.hidden_ssid = 908 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 909 910 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 911 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 912 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 913 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 914 if (params->p2p_opp_ps) 915 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 916 IEEE80211_P2P_OPPPS_ENABLE_BIT; 917 918 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); 919 if (err < 0) { 920 ieee80211_vif_release_channel(sdata); 921 return err; 922 } 923 changed |= err; 924 925 err = drv_start_ap(sdata->local, sdata); 926 if (err) { 927 old = sdata_dereference(sdata->u.ap.beacon, sdata); 928 929 if (old) 930 kfree_rcu(old, rcu_head); 931 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 932 ieee80211_vif_release_channel(sdata); 933 return err; 934 } 935 936 ieee80211_recalc_dtim(local, sdata); 937 ieee80211_bss_info_change_notify(sdata, changed); 938 939 netif_carrier_on(dev); 940 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 941 netif_carrier_on(vlan->dev); 942 943 return 0; 944 } 945 946 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 947 struct cfg80211_beacon_data *params) 948 { 949 struct ieee80211_sub_if_data *sdata; 950 struct beacon_data *old; 951 int err; 952 953 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 954 sdata_assert_lock(sdata); 955 956 /* don't allow changing the beacon while CSA is in place - offset 957 * of channel switch counter may change 958 */ 959 if (sdata->vif.csa_active) 960 return -EBUSY; 961 962 old = sdata_dereference(sdata->u.ap.beacon, sdata); 963 if (!old) 964 return -ENOENT; 965 966 err = ieee80211_assign_beacon(sdata, params, NULL); 967 if (err < 0) 968 return err; 969 ieee80211_bss_info_change_notify(sdata, err); 970 return 0; 971 } 972 973 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 974 { 975 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 976 struct ieee80211_sub_if_data *vlan; 977 struct ieee80211_local *local = sdata->local; 978 struct beacon_data *old_beacon; 979 struct probe_resp *old_probe_resp; 980 struct cfg80211_chan_def chandef; 981 982 sdata_assert_lock(sdata); 983 984 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); 985 if (!old_beacon) 986 return -ENOENT; 987 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); 988 989 /* abort any running channel switch */ 990 mutex_lock(&local->mtx); 991 sdata->vif.csa_active = false; 992 if (sdata->csa_block_tx) { 993 ieee80211_wake_vif_queues(local, sdata, 994 IEEE80211_QUEUE_STOP_REASON_CSA); 995 sdata->csa_block_tx = false; 996 } 997 998 mutex_unlock(&local->mtx); 999 1000 kfree(sdata->u.ap.next_beacon); 1001 sdata->u.ap.next_beacon = NULL; 1002 1003 /* turn off carrier for this interface and dependent VLANs */ 1004 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 1005 netif_carrier_off(vlan->dev); 1006 netif_carrier_off(dev); 1007 1008 /* remove beacon and probe response */ 1009 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 1010 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); 1011 kfree_rcu(old_beacon, rcu_head); 1012 if (old_probe_resp) 1013 kfree_rcu(old_probe_resp, rcu_head); 1014 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; 1015 1016 __sta_info_flush(sdata, true); 1017 ieee80211_free_keys(sdata, true); 1018 1019 sdata->vif.bss_conf.enable_beacon = false; 1020 sdata->vif.bss_conf.ssid_len = 0; 1021 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 1022 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 1023 1024 if (sdata->wdev.cac_started) { 1025 chandef = sdata->vif.bss_conf.chandef; 1026 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); 1027 cfg80211_cac_event(sdata->dev, &chandef, 1028 NL80211_RADAR_CAC_ABORTED, 1029 GFP_KERNEL); 1030 } 1031 1032 drv_stop_ap(sdata->local, sdata); 1033 1034 /* free all potentially still buffered bcast frames */ 1035 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 1036 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf); 1037 1038 mutex_lock(&local->mtx); 1039 ieee80211_vif_copy_chanctx_to_vlans(sdata, true); 1040 ieee80211_vif_release_channel(sdata); 1041 mutex_unlock(&local->mtx); 1042 1043 return 0; 1044 } 1045 1046 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 1047 struct iapp_layer2_update { 1048 u8 da[ETH_ALEN]; /* broadcast */ 1049 u8 sa[ETH_ALEN]; /* STA addr */ 1050 __be16 len; /* 6 */ 1051 u8 dsap; /* 0 */ 1052 u8 ssap; /* 0 */ 1053 u8 control; 1054 u8 xid_info[3]; 1055 } __packed; 1056 1057 static void ieee80211_send_layer2_update(struct sta_info *sta) 1058 { 1059 struct iapp_layer2_update *msg; 1060 struct sk_buff *skb; 1061 1062 /* Send Level 2 Update Frame to update forwarding tables in layer 2 1063 * bridge devices */ 1064 1065 skb = dev_alloc_skb(sizeof(*msg)); 1066 if (!skb) 1067 return; 1068 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 1069 1070 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 1071 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 1072 1073 eth_broadcast_addr(msg->da); 1074 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 1075 msg->len = htons(6); 1076 msg->dsap = 0; 1077 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 1078 msg->control = 0xaf; /* XID response lsb.1111F101. 1079 * F=0 (no poll command; unsolicited frame) */ 1080 msg->xid_info[0] = 0x81; /* XID format identifier */ 1081 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 1082 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 1083 1084 skb->dev = sta->sdata->dev; 1085 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 1086 memset(skb->cb, 0, sizeof(skb->cb)); 1087 netif_rx_ni(skb); 1088 } 1089 1090 static int sta_apply_auth_flags(struct ieee80211_local *local, 1091 struct sta_info *sta, 1092 u32 mask, u32 set) 1093 { 1094 int ret; 1095 1096 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1097 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1098 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1099 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1100 if (ret) 1101 return ret; 1102 } 1103 1104 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1105 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1106 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 1107 /* 1108 * When peer becomes associated, init rate control as 1109 * well. Some drivers require rate control initialized 1110 * before drv_sta_state() is called. 1111 */ 1112 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) 1113 rate_control_rate_init(sta); 1114 1115 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1116 if (ret) 1117 return ret; 1118 } 1119 1120 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1121 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1122 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1123 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1124 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1125 else 1126 ret = 0; 1127 if (ret) 1128 return ret; 1129 } 1130 1131 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1132 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1133 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1134 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1135 if (ret) 1136 return ret; 1137 } 1138 1139 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1140 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1141 test_sta_flag(sta, WLAN_STA_AUTH)) { 1142 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1143 if (ret) 1144 return ret; 1145 } 1146 1147 return 0; 1148 } 1149 1150 static void sta_apply_mesh_params(struct ieee80211_local *local, 1151 struct sta_info *sta, 1152 struct station_parameters *params) 1153 { 1154 #ifdef CONFIG_MAC80211_MESH 1155 struct ieee80211_sub_if_data *sdata = sta->sdata; 1156 u32 changed = 0; 1157 1158 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1159 switch (params->plink_state) { 1160 case NL80211_PLINK_ESTAB: 1161 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB) 1162 changed = mesh_plink_inc_estab_count(sdata); 1163 sta->mesh->plink_state = params->plink_state; 1164 sta->mesh->aid = params->peer_aid; 1165 1166 ieee80211_mps_sta_status_update(sta); 1167 changed |= ieee80211_mps_set_sta_local_pm(sta, 1168 sdata->u.mesh.mshcfg.power_mode); 1169 break; 1170 case NL80211_PLINK_LISTEN: 1171 case NL80211_PLINK_BLOCKED: 1172 case NL80211_PLINK_OPN_SNT: 1173 case NL80211_PLINK_OPN_RCVD: 1174 case NL80211_PLINK_CNF_RCVD: 1175 case NL80211_PLINK_HOLDING: 1176 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB) 1177 changed = mesh_plink_dec_estab_count(sdata); 1178 sta->mesh->plink_state = params->plink_state; 1179 1180 ieee80211_mps_sta_status_update(sta); 1181 changed |= ieee80211_mps_set_sta_local_pm(sta, 1182 NL80211_MESH_POWER_UNKNOWN); 1183 break; 1184 default: 1185 /* nothing */ 1186 break; 1187 } 1188 } 1189 1190 switch (params->plink_action) { 1191 case NL80211_PLINK_ACTION_NO_ACTION: 1192 /* nothing */ 1193 break; 1194 case NL80211_PLINK_ACTION_OPEN: 1195 changed |= mesh_plink_open(sta); 1196 break; 1197 case NL80211_PLINK_ACTION_BLOCK: 1198 changed |= mesh_plink_block(sta); 1199 break; 1200 } 1201 1202 if (params->local_pm) 1203 changed |= ieee80211_mps_set_sta_local_pm(sta, 1204 params->local_pm); 1205 1206 ieee80211_mbss_info_change_notify(sdata, changed); 1207 #endif 1208 } 1209 1210 static int sta_apply_parameters(struct ieee80211_local *local, 1211 struct sta_info *sta, 1212 struct station_parameters *params) 1213 { 1214 int ret = 0; 1215 struct ieee80211_supported_band *sband; 1216 struct ieee80211_sub_if_data *sdata = sta->sdata; 1217 enum nl80211_band band = ieee80211_get_sdata_band(sdata); 1218 u32 mask, set; 1219 1220 sband = local->hw.wiphy->bands[band]; 1221 1222 mask = params->sta_flags_mask; 1223 set = params->sta_flags_set; 1224 1225 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1226 /* 1227 * In mesh mode, ASSOCIATED isn't part of the nl80211 1228 * API but must follow AUTHENTICATED for driver state. 1229 */ 1230 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1231 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1232 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1233 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1234 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1235 /* 1236 * TDLS -- everything follows authorized, but 1237 * only becoming authorized is possible, not 1238 * going back 1239 */ 1240 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1241 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1242 BIT(NL80211_STA_FLAG_ASSOCIATED); 1243 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1244 BIT(NL80211_STA_FLAG_ASSOCIATED); 1245 } 1246 } 1247 1248 if (mask & BIT(NL80211_STA_FLAG_WME) && 1249 local->hw.queues >= IEEE80211_NUM_ACS) 1250 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1251 1252 /* auth flags will be set later for TDLS, 1253 * and for unassociated stations that move to assocaited */ 1254 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1255 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1256 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) { 1257 ret = sta_apply_auth_flags(local, sta, mask, set); 1258 if (ret) 1259 return ret; 1260 } 1261 1262 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1263 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1264 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1265 else 1266 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1267 } 1268 1269 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1270 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1271 if (set & BIT(NL80211_STA_FLAG_MFP)) 1272 set_sta_flag(sta, WLAN_STA_MFP); 1273 else 1274 clear_sta_flag(sta, WLAN_STA_MFP); 1275 } 1276 1277 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1278 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1279 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1280 else 1281 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1282 } 1283 1284 /* mark TDLS channel switch support, if the AP allows it */ 1285 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1286 !sdata->u.mgd.tdls_chan_switch_prohibited && 1287 params->ext_capab_len >= 4 && 1288 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1289 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1290 1291 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1292 !sdata->u.mgd.tdls_wider_bw_prohibited && 1293 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) && 1294 params->ext_capab_len >= 8 && 1295 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) 1296 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW); 1297 1298 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1299 sta->sta.uapsd_queues = params->uapsd_queues; 1300 sta->sta.max_sp = params->max_sp; 1301 } 1302 1303 /* The sender might not have sent the last bit, consider it to be 0 */ 1304 if (params->ext_capab_len >= 8) { 1305 u8 val = (params->ext_capab[7] & 1306 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7; 1307 1308 /* we did get all the bits, take the MSB as well */ 1309 if (params->ext_capab_len >= 9) { 1310 u8 val_msb = params->ext_capab[8] & 1311 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB; 1312 val_msb <<= 1; 1313 val |= val_msb; 1314 } 1315 1316 switch (val) { 1317 case 1: 1318 sta->sta.max_amsdu_subframes = 32; 1319 break; 1320 case 2: 1321 sta->sta.max_amsdu_subframes = 16; 1322 break; 1323 case 3: 1324 sta->sta.max_amsdu_subframes = 8; 1325 break; 1326 default: 1327 sta->sta.max_amsdu_subframes = 0; 1328 } 1329 } 1330 1331 /* 1332 * cfg80211 validates this (1-2007) and allows setting the AID 1333 * only when creating a new station entry 1334 */ 1335 if (params->aid) 1336 sta->sta.aid = params->aid; 1337 1338 /* 1339 * Some of the following updates would be racy if called on an 1340 * existing station, via ieee80211_change_station(). However, 1341 * all such changes are rejected by cfg80211 except for updates 1342 * changing the supported rates on an existing but not yet used 1343 * TDLS peer. 1344 */ 1345 1346 if (params->listen_interval >= 0) 1347 sta->listen_interval = params->listen_interval; 1348 1349 if (params->supported_rates) { 1350 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1351 sband, params->supported_rates, 1352 params->supported_rates_len, 1353 &sta->sta.supp_rates[band]); 1354 } 1355 1356 if (params->ht_capa) 1357 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1358 params->ht_capa, sta); 1359 1360 /* VHT can override some HT caps such as the A-MSDU max length */ 1361 if (params->vht_capa) 1362 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1363 params->vht_capa, sta); 1364 1365 if (params->opmode_notif_used) { 1366 /* returned value is only needed for rc update, but the 1367 * rc isn't initialized here yet, so ignore it 1368 */ 1369 __ieee80211_vht_handle_opmode(sdata, sta, 1370 params->opmode_notif, band); 1371 } 1372 1373 if (params->support_p2p_ps >= 0) 1374 sta->sta.support_p2p_ps = params->support_p2p_ps; 1375 1376 if (ieee80211_vif_is_mesh(&sdata->vif)) 1377 sta_apply_mesh_params(local, sta, params); 1378 1379 /* set the STA state after all sta info from usermode has been set */ 1380 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) || 1381 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) { 1382 ret = sta_apply_auth_flags(local, sta, mask, set); 1383 if (ret) 1384 return ret; 1385 } 1386 1387 return 0; 1388 } 1389 1390 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1391 const u8 *mac, 1392 struct station_parameters *params) 1393 { 1394 struct ieee80211_local *local = wiphy_priv(wiphy); 1395 struct sta_info *sta; 1396 struct ieee80211_sub_if_data *sdata; 1397 int err; 1398 int layer2_update; 1399 1400 if (params->vlan) { 1401 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1402 1403 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1404 sdata->vif.type != NL80211_IFTYPE_AP) 1405 return -EINVAL; 1406 } else 1407 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1408 1409 if (ether_addr_equal(mac, sdata->vif.addr)) 1410 return -EINVAL; 1411 1412 if (is_multicast_ether_addr(mac)) 1413 return -EINVAL; 1414 1415 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1416 if (!sta) 1417 return -ENOMEM; 1418 1419 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1420 sta->sta.tdls = true; 1421 1422 err = sta_apply_parameters(local, sta, params); 1423 if (err) { 1424 sta_info_free(local, sta); 1425 return err; 1426 } 1427 1428 /* 1429 * for TDLS and for unassociated station, rate control should be 1430 * initialized only when rates are known and station is marked 1431 * authorized/associated 1432 */ 1433 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1434 test_sta_flag(sta, WLAN_STA_ASSOC)) 1435 rate_control_rate_init(sta); 1436 1437 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 1438 sdata->vif.type == NL80211_IFTYPE_AP; 1439 1440 err = sta_info_insert_rcu(sta); 1441 if (err) { 1442 rcu_read_unlock(); 1443 return err; 1444 } 1445 1446 if (layer2_update) 1447 ieee80211_send_layer2_update(sta); 1448 1449 rcu_read_unlock(); 1450 1451 return 0; 1452 } 1453 1454 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1455 struct station_del_parameters *params) 1456 { 1457 struct ieee80211_sub_if_data *sdata; 1458 1459 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1460 1461 if (params->mac) 1462 return sta_info_destroy_addr_bss(sdata, params->mac); 1463 1464 sta_info_flush(sdata); 1465 return 0; 1466 } 1467 1468 static int ieee80211_change_station(struct wiphy *wiphy, 1469 struct net_device *dev, const u8 *mac, 1470 struct station_parameters *params) 1471 { 1472 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1473 struct ieee80211_local *local = wiphy_priv(wiphy); 1474 struct sta_info *sta; 1475 struct ieee80211_sub_if_data *vlansdata; 1476 enum cfg80211_station_type statype; 1477 int err; 1478 1479 mutex_lock(&local->sta_mtx); 1480 1481 sta = sta_info_get_bss(sdata, mac); 1482 if (!sta) { 1483 err = -ENOENT; 1484 goto out_err; 1485 } 1486 1487 switch (sdata->vif.type) { 1488 case NL80211_IFTYPE_MESH_POINT: 1489 if (sdata->u.mesh.user_mpm) 1490 statype = CFG80211_STA_MESH_PEER_USER; 1491 else 1492 statype = CFG80211_STA_MESH_PEER_KERNEL; 1493 break; 1494 case NL80211_IFTYPE_ADHOC: 1495 statype = CFG80211_STA_IBSS; 1496 break; 1497 case NL80211_IFTYPE_STATION: 1498 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1499 statype = CFG80211_STA_AP_STA; 1500 break; 1501 } 1502 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1503 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 1504 else 1505 statype = CFG80211_STA_TDLS_PEER_SETUP; 1506 break; 1507 case NL80211_IFTYPE_AP: 1508 case NL80211_IFTYPE_AP_VLAN: 1509 if (test_sta_flag(sta, WLAN_STA_ASSOC)) 1510 statype = CFG80211_STA_AP_CLIENT; 1511 else 1512 statype = CFG80211_STA_AP_CLIENT_UNASSOC; 1513 break; 1514 default: 1515 err = -EOPNOTSUPP; 1516 goto out_err; 1517 } 1518 1519 err = cfg80211_check_station_change(wiphy, params, statype); 1520 if (err) 1521 goto out_err; 1522 1523 if (params->vlan && params->vlan != sta->sdata->dev) { 1524 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1525 1526 if (params->vlan->ieee80211_ptr->use_4addr) { 1527 if (vlansdata->u.vlan.sta) { 1528 err = -EBUSY; 1529 goto out_err; 1530 } 1531 1532 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1533 __ieee80211_check_fast_rx_iface(vlansdata); 1534 } 1535 1536 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1537 sta->sdata->u.vlan.sta) 1538 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 1539 1540 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1541 ieee80211_vif_dec_num_mcast(sta->sdata); 1542 1543 sta->sdata = vlansdata; 1544 ieee80211_check_fast_xmit(sta); 1545 1546 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1547 ieee80211_vif_inc_num_mcast(sta->sdata); 1548 1549 ieee80211_send_layer2_update(sta); 1550 } 1551 1552 err = sta_apply_parameters(local, sta, params); 1553 if (err) 1554 goto out_err; 1555 1556 mutex_unlock(&local->sta_mtx); 1557 1558 if ((sdata->vif.type == NL80211_IFTYPE_AP || 1559 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && 1560 sta->known_smps_mode != sta->sdata->bss->req_smps && 1561 test_sta_flag(sta, WLAN_STA_AUTHORIZED) && 1562 sta_info_tx_streams(sta) != 1) { 1563 ht_dbg(sta->sdata, 1564 "%pM just authorized and MIMO capable - update SMPS\n", 1565 sta->sta.addr); 1566 ieee80211_send_smps_action(sta->sdata, 1567 sta->sdata->bss->req_smps, 1568 sta->sta.addr, 1569 sta->sdata->vif.bss_conf.bssid); 1570 } 1571 1572 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1573 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1574 ieee80211_recalc_ps(local); 1575 ieee80211_recalc_ps_vif(sdata); 1576 } 1577 1578 return 0; 1579 out_err: 1580 mutex_unlock(&local->sta_mtx); 1581 return err; 1582 } 1583 1584 #ifdef CONFIG_MAC80211_MESH 1585 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1586 const u8 *dst, const u8 *next_hop) 1587 { 1588 struct ieee80211_sub_if_data *sdata; 1589 struct mesh_path *mpath; 1590 struct sta_info *sta; 1591 1592 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1593 1594 rcu_read_lock(); 1595 sta = sta_info_get(sdata, next_hop); 1596 if (!sta) { 1597 rcu_read_unlock(); 1598 return -ENOENT; 1599 } 1600 1601 mpath = mesh_path_add(sdata, dst); 1602 if (IS_ERR(mpath)) { 1603 rcu_read_unlock(); 1604 return PTR_ERR(mpath); 1605 } 1606 1607 mesh_path_fix_nexthop(mpath, sta); 1608 1609 rcu_read_unlock(); 1610 return 0; 1611 } 1612 1613 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1614 const u8 *dst) 1615 { 1616 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1617 1618 if (dst) 1619 return mesh_path_del(sdata, dst); 1620 1621 mesh_path_flush_by_iface(sdata); 1622 return 0; 1623 } 1624 1625 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 1626 const u8 *dst, const u8 *next_hop) 1627 { 1628 struct ieee80211_sub_if_data *sdata; 1629 struct mesh_path *mpath; 1630 struct sta_info *sta; 1631 1632 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1633 1634 rcu_read_lock(); 1635 1636 sta = sta_info_get(sdata, next_hop); 1637 if (!sta) { 1638 rcu_read_unlock(); 1639 return -ENOENT; 1640 } 1641 1642 mpath = mesh_path_lookup(sdata, dst); 1643 if (!mpath) { 1644 rcu_read_unlock(); 1645 return -ENOENT; 1646 } 1647 1648 mesh_path_fix_nexthop(mpath, sta); 1649 1650 rcu_read_unlock(); 1651 return 0; 1652 } 1653 1654 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1655 struct mpath_info *pinfo) 1656 { 1657 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1658 1659 if (next_hop_sta) 1660 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1661 else 1662 eth_zero_addr(next_hop); 1663 1664 memset(pinfo, 0, sizeof(*pinfo)); 1665 1666 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation; 1667 1668 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1669 MPATH_INFO_SN | 1670 MPATH_INFO_METRIC | 1671 MPATH_INFO_EXPTIME | 1672 MPATH_INFO_DISCOVERY_TIMEOUT | 1673 MPATH_INFO_DISCOVERY_RETRIES | 1674 MPATH_INFO_FLAGS; 1675 1676 pinfo->frame_qlen = mpath->frame_queue.qlen; 1677 pinfo->sn = mpath->sn; 1678 pinfo->metric = mpath->metric; 1679 if (time_before(jiffies, mpath->exp_time)) 1680 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1681 pinfo->discovery_timeout = 1682 jiffies_to_msecs(mpath->discovery_timeout); 1683 pinfo->discovery_retries = mpath->discovery_retries; 1684 if (mpath->flags & MESH_PATH_ACTIVE) 1685 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1686 if (mpath->flags & MESH_PATH_RESOLVING) 1687 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1688 if (mpath->flags & MESH_PATH_SN_VALID) 1689 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1690 if (mpath->flags & MESH_PATH_FIXED) 1691 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1692 if (mpath->flags & MESH_PATH_RESOLVED) 1693 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1694 } 1695 1696 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1697 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1698 1699 { 1700 struct ieee80211_sub_if_data *sdata; 1701 struct mesh_path *mpath; 1702 1703 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1704 1705 rcu_read_lock(); 1706 mpath = mesh_path_lookup(sdata, dst); 1707 if (!mpath) { 1708 rcu_read_unlock(); 1709 return -ENOENT; 1710 } 1711 memcpy(dst, mpath->dst, ETH_ALEN); 1712 mpath_set_pinfo(mpath, next_hop, pinfo); 1713 rcu_read_unlock(); 1714 return 0; 1715 } 1716 1717 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1718 int idx, u8 *dst, u8 *next_hop, 1719 struct mpath_info *pinfo) 1720 { 1721 struct ieee80211_sub_if_data *sdata; 1722 struct mesh_path *mpath; 1723 1724 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1725 1726 rcu_read_lock(); 1727 mpath = mesh_path_lookup_by_idx(sdata, idx); 1728 if (!mpath) { 1729 rcu_read_unlock(); 1730 return -ENOENT; 1731 } 1732 memcpy(dst, mpath->dst, ETH_ALEN); 1733 mpath_set_pinfo(mpath, next_hop, pinfo); 1734 rcu_read_unlock(); 1735 return 0; 1736 } 1737 1738 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 1739 struct mpath_info *pinfo) 1740 { 1741 memset(pinfo, 0, sizeof(*pinfo)); 1742 memcpy(mpp, mpath->mpp, ETH_ALEN); 1743 1744 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation; 1745 } 1746 1747 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 1748 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 1749 1750 { 1751 struct ieee80211_sub_if_data *sdata; 1752 struct mesh_path *mpath; 1753 1754 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1755 1756 rcu_read_lock(); 1757 mpath = mpp_path_lookup(sdata, dst); 1758 if (!mpath) { 1759 rcu_read_unlock(); 1760 return -ENOENT; 1761 } 1762 memcpy(dst, mpath->dst, ETH_ALEN); 1763 mpp_set_pinfo(mpath, mpp, pinfo); 1764 rcu_read_unlock(); 1765 return 0; 1766 } 1767 1768 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 1769 int idx, u8 *dst, u8 *mpp, 1770 struct mpath_info *pinfo) 1771 { 1772 struct ieee80211_sub_if_data *sdata; 1773 struct mesh_path *mpath; 1774 1775 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1776 1777 rcu_read_lock(); 1778 mpath = mpp_path_lookup_by_idx(sdata, idx); 1779 if (!mpath) { 1780 rcu_read_unlock(); 1781 return -ENOENT; 1782 } 1783 memcpy(dst, mpath->dst, ETH_ALEN); 1784 mpp_set_pinfo(mpath, mpp, pinfo); 1785 rcu_read_unlock(); 1786 return 0; 1787 } 1788 1789 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1790 struct net_device *dev, 1791 struct mesh_config *conf) 1792 { 1793 struct ieee80211_sub_if_data *sdata; 1794 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1795 1796 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1797 return 0; 1798 } 1799 1800 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1801 { 1802 return (mask >> (parm-1)) & 0x1; 1803 } 1804 1805 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1806 const struct mesh_setup *setup) 1807 { 1808 u8 *new_ie; 1809 const u8 *old_ie; 1810 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 1811 struct ieee80211_sub_if_data, u.mesh); 1812 1813 /* allocate information elements */ 1814 new_ie = NULL; 1815 old_ie = ifmsh->ie; 1816 1817 if (setup->ie_len) { 1818 new_ie = kmemdup(setup->ie, setup->ie_len, 1819 GFP_KERNEL); 1820 if (!new_ie) 1821 return -ENOMEM; 1822 } 1823 ifmsh->ie_len = setup->ie_len; 1824 ifmsh->ie = new_ie; 1825 kfree(old_ie); 1826 1827 /* now copy the rest of the setup parameters */ 1828 ifmsh->mesh_id_len = setup->mesh_id_len; 1829 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1830 ifmsh->mesh_sp_id = setup->sync_method; 1831 ifmsh->mesh_pp_id = setup->path_sel_proto; 1832 ifmsh->mesh_pm_id = setup->path_metric; 1833 ifmsh->user_mpm = setup->user_mpm; 1834 ifmsh->mesh_auth_id = setup->auth_id; 1835 ifmsh->security = IEEE80211_MESH_SEC_NONE; 1836 if (setup->is_authenticated) 1837 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 1838 if (setup->is_secure) 1839 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 1840 1841 /* mcast rate setting in Mesh Node */ 1842 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 1843 sizeof(setup->mcast_rate)); 1844 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 1845 1846 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 1847 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 1848 1849 return 0; 1850 } 1851 1852 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1853 struct net_device *dev, u32 mask, 1854 const struct mesh_config *nconf) 1855 { 1856 struct mesh_config *conf; 1857 struct ieee80211_sub_if_data *sdata; 1858 struct ieee80211_if_mesh *ifmsh; 1859 1860 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1861 ifmsh = &sdata->u.mesh; 1862 1863 /* Set the config options which we are interested in setting */ 1864 conf = &(sdata->u.mesh.mshcfg); 1865 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1866 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1867 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1868 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1869 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1870 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1871 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1872 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1873 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1874 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1875 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1876 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1877 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1878 conf->element_ttl = nconf->element_ttl; 1879 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 1880 if (ifmsh->user_mpm) 1881 return -EBUSY; 1882 conf->auto_open_plinks = nconf->auto_open_plinks; 1883 } 1884 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 1885 conf->dot11MeshNbrOffsetMaxNeighbor = 1886 nconf->dot11MeshNbrOffsetMaxNeighbor; 1887 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1888 conf->dot11MeshHWMPmaxPREQretries = 1889 nconf->dot11MeshHWMPmaxPREQretries; 1890 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1891 conf->path_refresh_time = nconf->path_refresh_time; 1892 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1893 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1894 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1895 conf->dot11MeshHWMPactivePathTimeout = 1896 nconf->dot11MeshHWMPactivePathTimeout; 1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1898 conf->dot11MeshHWMPpreqMinInterval = 1899 nconf->dot11MeshHWMPpreqMinInterval; 1900 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 1901 conf->dot11MeshHWMPperrMinInterval = 1902 nconf->dot11MeshHWMPperrMinInterval; 1903 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1904 mask)) 1905 conf->dot11MeshHWMPnetDiameterTraversalTime = 1906 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1908 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1909 ieee80211_mesh_root_setup(ifmsh); 1910 } 1911 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 1912 /* our current gate announcement implementation rides on root 1913 * announcements, so require this ifmsh to also be a root node 1914 * */ 1915 if (nconf->dot11MeshGateAnnouncementProtocol && 1916 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 1917 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 1918 ieee80211_mesh_root_setup(ifmsh); 1919 } 1920 conf->dot11MeshGateAnnouncementProtocol = 1921 nconf->dot11MeshGateAnnouncementProtocol; 1922 } 1923 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 1924 conf->dot11MeshHWMPRannInterval = 1925 nconf->dot11MeshHWMPRannInterval; 1926 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 1927 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 1928 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 1929 /* our RSSI threshold implementation is supported only for 1930 * devices that report signal in dBm. 1931 */ 1932 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM)) 1933 return -ENOTSUPP; 1934 conf->rssi_threshold = nconf->rssi_threshold; 1935 } 1936 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 1937 conf->ht_opmode = nconf->ht_opmode; 1938 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 1939 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1940 } 1941 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 1942 conf->dot11MeshHWMPactivePathToRootTimeout = 1943 nconf->dot11MeshHWMPactivePathToRootTimeout; 1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 1945 conf->dot11MeshHWMProotInterval = 1946 nconf->dot11MeshHWMProotInterval; 1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 1948 conf->dot11MeshHWMPconfirmationInterval = 1949 nconf->dot11MeshHWMPconfirmationInterval; 1950 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 1951 conf->power_mode = nconf->power_mode; 1952 ieee80211_mps_local_status_update(sdata); 1953 } 1954 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 1955 conf->dot11MeshAwakeWindowDuration = 1956 nconf->dot11MeshAwakeWindowDuration; 1957 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 1958 conf->plink_timeout = nconf->plink_timeout; 1959 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 1960 return 0; 1961 } 1962 1963 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1964 const struct mesh_config *conf, 1965 const struct mesh_setup *setup) 1966 { 1967 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1968 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1969 int err; 1970 1971 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1972 err = copy_mesh_setup(ifmsh, setup); 1973 if (err) 1974 return err; 1975 1976 /* can mesh use other SMPS modes? */ 1977 sdata->smps_mode = IEEE80211_SMPS_OFF; 1978 sdata->needed_rx_chains = sdata->local->rx_chains; 1979 1980 mutex_lock(&sdata->local->mtx); 1981 err = ieee80211_vif_use_channel(sdata, &setup->chandef, 1982 IEEE80211_CHANCTX_SHARED); 1983 mutex_unlock(&sdata->local->mtx); 1984 if (err) 1985 return err; 1986 1987 return ieee80211_start_mesh(sdata); 1988 } 1989 1990 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 1991 { 1992 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1993 1994 ieee80211_stop_mesh(sdata); 1995 mutex_lock(&sdata->local->mtx); 1996 ieee80211_vif_release_channel(sdata); 1997 mutex_unlock(&sdata->local->mtx); 1998 1999 return 0; 2000 } 2001 #endif 2002 2003 static int ieee80211_change_bss(struct wiphy *wiphy, 2004 struct net_device *dev, 2005 struct bss_parameters *params) 2006 { 2007 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2008 enum nl80211_band band; 2009 u32 changed = 0; 2010 2011 if (!sdata_dereference(sdata->u.ap.beacon, sdata)) 2012 return -ENOENT; 2013 2014 band = ieee80211_get_sdata_band(sdata); 2015 2016 if (params->use_cts_prot >= 0) { 2017 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 2018 changed |= BSS_CHANGED_ERP_CTS_PROT; 2019 } 2020 if (params->use_short_preamble >= 0) { 2021 sdata->vif.bss_conf.use_short_preamble = 2022 params->use_short_preamble; 2023 changed |= BSS_CHANGED_ERP_PREAMBLE; 2024 } 2025 2026 if (!sdata->vif.bss_conf.use_short_slot && 2027 band == NL80211_BAND_5GHZ) { 2028 sdata->vif.bss_conf.use_short_slot = true; 2029 changed |= BSS_CHANGED_ERP_SLOT; 2030 } 2031 2032 if (params->use_short_slot_time >= 0) { 2033 sdata->vif.bss_conf.use_short_slot = 2034 params->use_short_slot_time; 2035 changed |= BSS_CHANGED_ERP_SLOT; 2036 } 2037 2038 if (params->basic_rates) { 2039 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 2040 wiphy->bands[band], 2041 params->basic_rates, 2042 params->basic_rates_len, 2043 &sdata->vif.bss_conf.basic_rates); 2044 changed |= BSS_CHANGED_BASIC_RATES; 2045 } 2046 2047 if (params->ap_isolate >= 0) { 2048 if (params->ap_isolate) 2049 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2050 else 2051 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 2052 ieee80211_check_fast_rx_iface(sdata); 2053 } 2054 2055 if (params->ht_opmode >= 0) { 2056 sdata->vif.bss_conf.ht_operation_mode = 2057 (u16) params->ht_opmode; 2058 changed |= BSS_CHANGED_HT; 2059 } 2060 2061 if (params->p2p_ctwindow >= 0) { 2062 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2063 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2064 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2065 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 2066 changed |= BSS_CHANGED_P2P_PS; 2067 } 2068 2069 if (params->p2p_opp_ps > 0) { 2070 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 2071 IEEE80211_P2P_OPPPS_ENABLE_BIT; 2072 changed |= BSS_CHANGED_P2P_PS; 2073 } else if (params->p2p_opp_ps == 0) { 2074 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 2075 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 2076 changed |= BSS_CHANGED_P2P_PS; 2077 } 2078 2079 ieee80211_bss_info_change_notify(sdata, changed); 2080 2081 return 0; 2082 } 2083 2084 static int ieee80211_set_txq_params(struct wiphy *wiphy, 2085 struct net_device *dev, 2086 struct ieee80211_txq_params *params) 2087 { 2088 struct ieee80211_local *local = wiphy_priv(wiphy); 2089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2090 struct ieee80211_tx_queue_params p; 2091 2092 if (!local->ops->conf_tx) 2093 return -EOPNOTSUPP; 2094 2095 if (local->hw.queues < IEEE80211_NUM_ACS) 2096 return -EOPNOTSUPP; 2097 2098 memset(&p, 0, sizeof(p)); 2099 p.aifs = params->aifs; 2100 p.cw_max = params->cwmax; 2101 p.cw_min = params->cwmin; 2102 p.txop = params->txop; 2103 2104 /* 2105 * Setting tx queue params disables u-apsd because it's only 2106 * called in master mode. 2107 */ 2108 p.uapsd = false; 2109 2110 sdata->tx_conf[params->ac] = p; 2111 if (drv_conf_tx(local, sdata, params->ac, &p)) { 2112 wiphy_debug(local->hw.wiphy, 2113 "failed to set TX queue parameters for AC %d\n", 2114 params->ac); 2115 return -EINVAL; 2116 } 2117 2118 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 2119 2120 return 0; 2121 } 2122 2123 #ifdef CONFIG_PM 2124 static int ieee80211_suspend(struct wiphy *wiphy, 2125 struct cfg80211_wowlan *wowlan) 2126 { 2127 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 2128 } 2129 2130 static int ieee80211_resume(struct wiphy *wiphy) 2131 { 2132 return __ieee80211_resume(wiphy_priv(wiphy)); 2133 } 2134 #else 2135 #define ieee80211_suspend NULL 2136 #define ieee80211_resume NULL 2137 #endif 2138 2139 static int ieee80211_scan(struct wiphy *wiphy, 2140 struct cfg80211_scan_request *req) 2141 { 2142 struct ieee80211_sub_if_data *sdata; 2143 2144 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 2145 2146 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 2147 case NL80211_IFTYPE_STATION: 2148 case NL80211_IFTYPE_ADHOC: 2149 case NL80211_IFTYPE_MESH_POINT: 2150 case NL80211_IFTYPE_P2P_CLIENT: 2151 case NL80211_IFTYPE_P2P_DEVICE: 2152 break; 2153 case NL80211_IFTYPE_P2P_GO: 2154 if (sdata->local->ops->hw_scan) 2155 break; 2156 /* 2157 * FIXME: implement NoA while scanning in software, 2158 * for now fall through to allow scanning only when 2159 * beaconing hasn't been configured yet 2160 */ 2161 case NL80211_IFTYPE_AP: 2162 /* 2163 * If the scan has been forced (and the driver supports 2164 * forcing), don't care about being beaconing already. 2165 * This will create problems to the attached stations (e.g. all 2166 * the frames sent while scanning on other channel will be 2167 * lost) 2168 */ 2169 if (sdata->u.ap.beacon && 2170 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2171 !(req->flags & NL80211_SCAN_FLAG_AP))) 2172 return -EOPNOTSUPP; 2173 break; 2174 case NL80211_IFTYPE_NAN: 2175 default: 2176 return -EOPNOTSUPP; 2177 } 2178 2179 return ieee80211_request_scan(sdata, req); 2180 } 2181 2182 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev) 2183 { 2184 ieee80211_scan_cancel(wiphy_priv(wiphy)); 2185 } 2186 2187 static int 2188 ieee80211_sched_scan_start(struct wiphy *wiphy, 2189 struct net_device *dev, 2190 struct cfg80211_sched_scan_request *req) 2191 { 2192 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2193 2194 if (!sdata->local->ops->sched_scan_start) 2195 return -EOPNOTSUPP; 2196 2197 return ieee80211_request_sched_scan_start(sdata, req); 2198 } 2199 2200 static int 2201 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) 2202 { 2203 struct ieee80211_local *local = wiphy_priv(wiphy); 2204 2205 if (!local->ops->sched_scan_stop) 2206 return -EOPNOTSUPP; 2207 2208 return ieee80211_request_sched_scan_stop(local); 2209 } 2210 2211 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2212 struct cfg80211_auth_request *req) 2213 { 2214 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2215 } 2216 2217 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2218 struct cfg80211_assoc_request *req) 2219 { 2220 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2221 } 2222 2223 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2224 struct cfg80211_deauth_request *req) 2225 { 2226 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2227 } 2228 2229 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2230 struct cfg80211_disassoc_request *req) 2231 { 2232 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2233 } 2234 2235 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2236 struct cfg80211_ibss_params *params) 2237 { 2238 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2239 } 2240 2241 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2242 { 2243 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2244 } 2245 2246 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2247 struct ocb_setup *setup) 2248 { 2249 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2250 } 2251 2252 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2253 { 2254 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2255 } 2256 2257 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2258 int rate[NUM_NL80211_BANDS]) 2259 { 2260 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2261 2262 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2263 sizeof(int) * NUM_NL80211_BANDS); 2264 2265 return 0; 2266 } 2267 2268 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2269 { 2270 struct ieee80211_local *local = wiphy_priv(wiphy); 2271 int err; 2272 2273 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2274 ieee80211_check_fast_xmit_all(local); 2275 2276 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2277 2278 if (err) { 2279 ieee80211_check_fast_xmit_all(local); 2280 return err; 2281 } 2282 } 2283 2284 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2285 (changed & WIPHY_PARAM_DYN_ACK)) { 2286 s16 coverage_class; 2287 2288 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2289 wiphy->coverage_class : -1; 2290 err = drv_set_coverage_class(local, coverage_class); 2291 2292 if (err) 2293 return err; 2294 } 2295 2296 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2297 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2298 2299 if (err) 2300 return err; 2301 } 2302 2303 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2304 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2305 return -EINVAL; 2306 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2307 } 2308 if (changed & WIPHY_PARAM_RETRY_LONG) { 2309 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2310 return -EINVAL; 2311 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2312 } 2313 if (changed & 2314 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2315 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2316 2317 return 0; 2318 } 2319 2320 static int ieee80211_set_tx_power(struct wiphy *wiphy, 2321 struct wireless_dev *wdev, 2322 enum nl80211_tx_power_setting type, int mbm) 2323 { 2324 struct ieee80211_local *local = wiphy_priv(wiphy); 2325 struct ieee80211_sub_if_data *sdata; 2326 enum nl80211_tx_power_setting txp_type = type; 2327 bool update_txp_type = false; 2328 2329 if (wdev) { 2330 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2331 2332 switch (type) { 2333 case NL80211_TX_POWER_AUTOMATIC: 2334 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2335 txp_type = NL80211_TX_POWER_LIMITED; 2336 break; 2337 case NL80211_TX_POWER_LIMITED: 2338 case NL80211_TX_POWER_FIXED: 2339 if (mbm < 0 || (mbm % 100)) 2340 return -EOPNOTSUPP; 2341 sdata->user_power_level = MBM_TO_DBM(mbm); 2342 break; 2343 } 2344 2345 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2346 update_txp_type = true; 2347 sdata->vif.bss_conf.txpower_type = txp_type; 2348 } 2349 2350 ieee80211_recalc_txpower(sdata, update_txp_type); 2351 2352 return 0; 2353 } 2354 2355 switch (type) { 2356 case NL80211_TX_POWER_AUTOMATIC: 2357 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2358 txp_type = NL80211_TX_POWER_LIMITED; 2359 break; 2360 case NL80211_TX_POWER_LIMITED: 2361 case NL80211_TX_POWER_FIXED: 2362 if (mbm < 0 || (mbm % 100)) 2363 return -EOPNOTSUPP; 2364 local->user_power_level = MBM_TO_DBM(mbm); 2365 break; 2366 } 2367 2368 mutex_lock(&local->iflist_mtx); 2369 list_for_each_entry(sdata, &local->interfaces, list) { 2370 sdata->user_power_level = local->user_power_level; 2371 if (txp_type != sdata->vif.bss_conf.txpower_type) 2372 update_txp_type = true; 2373 sdata->vif.bss_conf.txpower_type = txp_type; 2374 } 2375 list_for_each_entry(sdata, &local->interfaces, list) 2376 ieee80211_recalc_txpower(sdata, update_txp_type); 2377 mutex_unlock(&local->iflist_mtx); 2378 2379 return 0; 2380 } 2381 2382 static int ieee80211_get_tx_power(struct wiphy *wiphy, 2383 struct wireless_dev *wdev, 2384 int *dbm) 2385 { 2386 struct ieee80211_local *local = wiphy_priv(wiphy); 2387 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2388 2389 if (local->ops->get_txpower) 2390 return drv_get_txpower(local, sdata, dbm); 2391 2392 if (!local->use_chanctx) 2393 *dbm = local->hw.conf.power_level; 2394 else 2395 *dbm = sdata->vif.bss_conf.txpower; 2396 2397 return 0; 2398 } 2399 2400 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 2401 const u8 *addr) 2402 { 2403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2404 2405 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 2406 2407 return 0; 2408 } 2409 2410 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2411 { 2412 struct ieee80211_local *local = wiphy_priv(wiphy); 2413 2414 drv_rfkill_poll(local); 2415 } 2416 2417 #ifdef CONFIG_NL80211_TESTMODE 2418 static int ieee80211_testmode_cmd(struct wiphy *wiphy, 2419 struct wireless_dev *wdev, 2420 void *data, int len) 2421 { 2422 struct ieee80211_local *local = wiphy_priv(wiphy); 2423 struct ieee80211_vif *vif = NULL; 2424 2425 if (!local->ops->testmode_cmd) 2426 return -EOPNOTSUPP; 2427 2428 if (wdev) { 2429 struct ieee80211_sub_if_data *sdata; 2430 2431 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2432 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 2433 vif = &sdata->vif; 2434 } 2435 2436 return local->ops->testmode_cmd(&local->hw, vif, data, len); 2437 } 2438 2439 static int ieee80211_testmode_dump(struct wiphy *wiphy, 2440 struct sk_buff *skb, 2441 struct netlink_callback *cb, 2442 void *data, int len) 2443 { 2444 struct ieee80211_local *local = wiphy_priv(wiphy); 2445 2446 if (!local->ops->testmode_dump) 2447 return -EOPNOTSUPP; 2448 2449 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2450 } 2451 #endif 2452 2453 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 2454 enum ieee80211_smps_mode smps_mode) 2455 { 2456 struct sta_info *sta; 2457 enum ieee80211_smps_mode old_req; 2458 2459 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) 2460 return -EINVAL; 2461 2462 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2463 return 0; 2464 2465 old_req = sdata->u.ap.req_smps; 2466 sdata->u.ap.req_smps = smps_mode; 2467 2468 /* AUTOMATIC doesn't mean much for AP - don't allow it */ 2469 if (old_req == smps_mode || 2470 smps_mode == IEEE80211_SMPS_AUTOMATIC) 2471 return 0; 2472 2473 ht_dbg(sdata, 2474 "SMPS %d requested in AP mode, sending Action frame to %d stations\n", 2475 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); 2476 2477 mutex_lock(&sdata->local->sta_mtx); 2478 list_for_each_entry(sta, &sdata->local->sta_list, list) { 2479 /* 2480 * Only stations associated to our AP and 2481 * associated VLANs 2482 */ 2483 if (sta->sdata->bss != &sdata->u.ap) 2484 continue; 2485 2486 /* This station doesn't support MIMO - skip it */ 2487 if (sta_info_tx_streams(sta) == 1) 2488 continue; 2489 2490 /* 2491 * Don't wake up a STA just to send the action frame 2492 * unless we are getting more restrictive. 2493 */ 2494 if (test_sta_flag(sta, WLAN_STA_PS_STA) && 2495 !ieee80211_smps_is_restrictive(sta->known_smps_mode, 2496 smps_mode)) { 2497 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", 2498 sta->sta.addr); 2499 continue; 2500 } 2501 2502 /* 2503 * If the STA is not authorized, wait until it gets 2504 * authorized and the action frame will be sent then. 2505 */ 2506 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2507 continue; 2508 2509 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); 2510 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, 2511 sdata->vif.bss_conf.bssid); 2512 } 2513 mutex_unlock(&sdata->local->sta_mtx); 2514 2515 sdata->smps_mode = smps_mode; 2516 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); 2517 2518 return 0; 2519 } 2520 2521 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2522 enum ieee80211_smps_mode smps_mode) 2523 { 2524 const u8 *ap; 2525 enum ieee80211_smps_mode old_req; 2526 int err; 2527 struct sta_info *sta; 2528 bool tdls_peer_found = false; 2529 2530 lockdep_assert_held(&sdata->wdev.mtx); 2531 2532 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 2533 return -EINVAL; 2534 2535 old_req = sdata->u.mgd.req_smps; 2536 sdata->u.mgd.req_smps = smps_mode; 2537 2538 if (old_req == smps_mode && 2539 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2540 return 0; 2541 2542 /* 2543 * If not associated, or current association is not an HT 2544 * association, there's no need to do anything, just store 2545 * the new value until we associate. 2546 */ 2547 if (!sdata->u.mgd.associated || 2548 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2549 return 0; 2550 2551 ap = sdata->u.mgd.associated->bssid; 2552 2553 rcu_read_lock(); 2554 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { 2555 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || 2556 !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2557 continue; 2558 2559 tdls_peer_found = true; 2560 break; 2561 } 2562 rcu_read_unlock(); 2563 2564 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2565 if (tdls_peer_found || !sdata->u.mgd.powersave) 2566 smps_mode = IEEE80211_SMPS_OFF; 2567 else 2568 smps_mode = IEEE80211_SMPS_DYNAMIC; 2569 } 2570 2571 /* send SM PS frame to AP */ 2572 err = ieee80211_send_smps_action(sdata, smps_mode, 2573 ap, ap); 2574 if (err) 2575 sdata->u.mgd.req_smps = old_req; 2576 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found) 2577 ieee80211_teardown_tdls_peers(sdata); 2578 2579 return err; 2580 } 2581 2582 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2583 bool enabled, int timeout) 2584 { 2585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2586 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2587 2588 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2589 return -EOPNOTSUPP; 2590 2591 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) 2592 return -EOPNOTSUPP; 2593 2594 if (enabled == sdata->u.mgd.powersave && 2595 timeout == local->dynamic_ps_forced_timeout) 2596 return 0; 2597 2598 sdata->u.mgd.powersave = enabled; 2599 local->dynamic_ps_forced_timeout = timeout; 2600 2601 /* no change, but if automatic follow powersave */ 2602 sdata_lock(sdata); 2603 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); 2604 sdata_unlock(sdata); 2605 2606 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) 2607 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2608 2609 ieee80211_recalc_ps(local); 2610 ieee80211_recalc_ps_vif(sdata); 2611 2612 return 0; 2613 } 2614 2615 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2616 struct net_device *dev, 2617 s32 rssi_thold, u32 rssi_hyst) 2618 { 2619 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2620 struct ieee80211_vif *vif = &sdata->vif; 2621 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2622 2623 if (rssi_thold == bss_conf->cqm_rssi_thold && 2624 rssi_hyst == bss_conf->cqm_rssi_hyst) 2625 return 0; 2626 2627 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER && 2628 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 2629 return -EOPNOTSUPP; 2630 2631 bss_conf->cqm_rssi_thold = rssi_thold; 2632 bss_conf->cqm_rssi_hyst = rssi_hyst; 2633 sdata->u.mgd.last_cqm_event_signal = 0; 2634 2635 /* tell the driver upon association, unless already associated */ 2636 if (sdata->u.mgd.associated && 2637 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2638 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2639 2640 return 0; 2641 } 2642 2643 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2644 struct net_device *dev, 2645 const u8 *addr, 2646 const struct cfg80211_bitrate_mask *mask) 2647 { 2648 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2649 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2650 int i, ret; 2651 2652 if (!ieee80211_sdata_running(sdata)) 2653 return -ENETDOWN; 2654 2655 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { 2656 ret = drv_set_bitrate_mask(local, sdata, mask); 2657 if (ret) 2658 return ret; 2659 } 2660 2661 for (i = 0; i < NUM_NL80211_BANDS; i++) { 2662 struct ieee80211_supported_band *sband = wiphy->bands[i]; 2663 int j; 2664 2665 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2666 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 2667 sizeof(mask->control[i].ht_mcs)); 2668 memcpy(sdata->rc_rateidx_vht_mcs_mask[i], 2669 mask->control[i].vht_mcs, 2670 sizeof(mask->control[i].vht_mcs)); 2671 2672 sdata->rc_has_mcs_mask[i] = false; 2673 sdata->rc_has_vht_mcs_mask[i] = false; 2674 if (!sband) 2675 continue; 2676 2677 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) { 2678 if (~sdata->rc_rateidx_mcs_mask[i][j]) { 2679 sdata->rc_has_mcs_mask[i] = true; 2680 break; 2681 } 2682 } 2683 2684 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) { 2685 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) { 2686 sdata->rc_has_vht_mcs_mask[i] = true; 2687 break; 2688 } 2689 } 2690 } 2691 2692 return 0; 2693 } 2694 2695 static int ieee80211_start_radar_detection(struct wiphy *wiphy, 2696 struct net_device *dev, 2697 struct cfg80211_chan_def *chandef, 2698 u32 cac_time_ms) 2699 { 2700 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2701 struct ieee80211_local *local = sdata->local; 2702 int err; 2703 2704 mutex_lock(&local->mtx); 2705 if (!list_empty(&local->roc_list) || local->scanning) { 2706 err = -EBUSY; 2707 goto out_unlock; 2708 } 2709 2710 /* whatever, but channel contexts should not complain about that one */ 2711 sdata->smps_mode = IEEE80211_SMPS_OFF; 2712 sdata->needed_rx_chains = local->rx_chains; 2713 2714 err = ieee80211_vif_use_channel(sdata, chandef, 2715 IEEE80211_CHANCTX_SHARED); 2716 if (err) 2717 goto out_unlock; 2718 2719 ieee80211_queue_delayed_work(&sdata->local->hw, 2720 &sdata->dfs_cac_timer_work, 2721 msecs_to_jiffies(cac_time_ms)); 2722 2723 out_unlock: 2724 mutex_unlock(&local->mtx); 2725 return err; 2726 } 2727 2728 static struct cfg80211_beacon_data * 2729 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 2730 { 2731 struct cfg80211_beacon_data *new_beacon; 2732 u8 *pos; 2733 int len; 2734 2735 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 2736 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 2737 beacon->probe_resp_len; 2738 2739 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 2740 if (!new_beacon) 2741 return NULL; 2742 2743 pos = (u8 *)(new_beacon + 1); 2744 if (beacon->head_len) { 2745 new_beacon->head_len = beacon->head_len; 2746 new_beacon->head = pos; 2747 memcpy(pos, beacon->head, beacon->head_len); 2748 pos += beacon->head_len; 2749 } 2750 if (beacon->tail_len) { 2751 new_beacon->tail_len = beacon->tail_len; 2752 new_beacon->tail = pos; 2753 memcpy(pos, beacon->tail, beacon->tail_len); 2754 pos += beacon->tail_len; 2755 } 2756 if (beacon->beacon_ies_len) { 2757 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 2758 new_beacon->beacon_ies = pos; 2759 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 2760 pos += beacon->beacon_ies_len; 2761 } 2762 if (beacon->proberesp_ies_len) { 2763 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 2764 new_beacon->proberesp_ies = pos; 2765 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 2766 pos += beacon->proberesp_ies_len; 2767 } 2768 if (beacon->assocresp_ies_len) { 2769 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 2770 new_beacon->assocresp_ies = pos; 2771 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 2772 pos += beacon->assocresp_ies_len; 2773 } 2774 if (beacon->probe_resp_len) { 2775 new_beacon->probe_resp_len = beacon->probe_resp_len; 2776 beacon->probe_resp = pos; 2777 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 2778 pos += beacon->probe_resp_len; 2779 } 2780 2781 return new_beacon; 2782 } 2783 2784 void ieee80211_csa_finish(struct ieee80211_vif *vif) 2785 { 2786 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 2787 2788 ieee80211_queue_work(&sdata->local->hw, 2789 &sdata->csa_finalize_work); 2790 } 2791 EXPORT_SYMBOL(ieee80211_csa_finish); 2792 2793 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 2794 u32 *changed) 2795 { 2796 int err; 2797 2798 switch (sdata->vif.type) { 2799 case NL80211_IFTYPE_AP: 2800 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, 2801 NULL); 2802 kfree(sdata->u.ap.next_beacon); 2803 sdata->u.ap.next_beacon = NULL; 2804 2805 if (err < 0) 2806 return err; 2807 *changed |= err; 2808 break; 2809 case NL80211_IFTYPE_ADHOC: 2810 err = ieee80211_ibss_finish_csa(sdata); 2811 if (err < 0) 2812 return err; 2813 *changed |= err; 2814 break; 2815 #ifdef CONFIG_MAC80211_MESH 2816 case NL80211_IFTYPE_MESH_POINT: 2817 err = ieee80211_mesh_finish_csa(sdata); 2818 if (err < 0) 2819 return err; 2820 *changed |= err; 2821 break; 2822 #endif 2823 default: 2824 WARN_ON(1); 2825 return -EINVAL; 2826 } 2827 2828 return 0; 2829 } 2830 2831 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2832 { 2833 struct ieee80211_local *local = sdata->local; 2834 u32 changed = 0; 2835 int err; 2836 2837 sdata_assert_lock(sdata); 2838 lockdep_assert_held(&local->mtx); 2839 lockdep_assert_held(&local->chanctx_mtx); 2840 2841 /* 2842 * using reservation isn't immediate as it may be deferred until later 2843 * with multi-vif. once reservation is complete it will re-schedule the 2844 * work with no reserved_chanctx so verify chandef to check if it 2845 * completed successfully 2846 */ 2847 2848 if (sdata->reserved_chanctx) { 2849 /* 2850 * with multi-vif csa driver may call ieee80211_csa_finish() 2851 * many times while waiting for other interfaces to use their 2852 * reservations 2853 */ 2854 if (sdata->reserved_ready) 2855 return 0; 2856 2857 return ieee80211_vif_use_reserved_context(sdata); 2858 } 2859 2860 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 2861 &sdata->csa_chandef)) 2862 return -EINVAL; 2863 2864 sdata->vif.csa_active = false; 2865 2866 err = ieee80211_set_after_csa_beacon(sdata, &changed); 2867 if (err) 2868 return err; 2869 2870 ieee80211_bss_info_change_notify(sdata, changed); 2871 2872 if (sdata->csa_block_tx) { 2873 ieee80211_wake_vif_queues(local, sdata, 2874 IEEE80211_QUEUE_STOP_REASON_CSA); 2875 sdata->csa_block_tx = false; 2876 } 2877 2878 err = drv_post_channel_switch(sdata); 2879 if (err) 2880 return err; 2881 2882 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); 2883 2884 return 0; 2885 } 2886 2887 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2888 { 2889 if (__ieee80211_csa_finalize(sdata)) { 2890 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 2891 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 2892 GFP_KERNEL); 2893 } 2894 } 2895 2896 void ieee80211_csa_finalize_work(struct work_struct *work) 2897 { 2898 struct ieee80211_sub_if_data *sdata = 2899 container_of(work, struct ieee80211_sub_if_data, 2900 csa_finalize_work); 2901 struct ieee80211_local *local = sdata->local; 2902 2903 sdata_lock(sdata); 2904 mutex_lock(&local->mtx); 2905 mutex_lock(&local->chanctx_mtx); 2906 2907 /* AP might have been stopped while waiting for the lock. */ 2908 if (!sdata->vif.csa_active) 2909 goto unlock; 2910 2911 if (!ieee80211_sdata_running(sdata)) 2912 goto unlock; 2913 2914 ieee80211_csa_finalize(sdata); 2915 2916 unlock: 2917 mutex_unlock(&local->chanctx_mtx); 2918 mutex_unlock(&local->mtx); 2919 sdata_unlock(sdata); 2920 } 2921 2922 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 2923 struct cfg80211_csa_settings *params, 2924 u32 *changed) 2925 { 2926 struct ieee80211_csa_settings csa = {}; 2927 int err; 2928 2929 switch (sdata->vif.type) { 2930 case NL80211_IFTYPE_AP: 2931 sdata->u.ap.next_beacon = 2932 cfg80211_beacon_dup(¶ms->beacon_after); 2933 if (!sdata->u.ap.next_beacon) 2934 return -ENOMEM; 2935 2936 /* 2937 * With a count of 0, we don't have to wait for any 2938 * TBTT before switching, so complete the CSA 2939 * immediately. In theory, with a count == 1 we 2940 * should delay the switch until just before the next 2941 * TBTT, but that would complicate things so we switch 2942 * immediately too. If we would delay the switch 2943 * until the next TBTT, we would have to set the probe 2944 * response here. 2945 * 2946 * TODO: A channel switch with count <= 1 without 2947 * sending a CSA action frame is kind of useless, 2948 * because the clients won't know we're changing 2949 * channels. The action frame must be implemented 2950 * either here or in the userspace. 2951 */ 2952 if (params->count <= 1) 2953 break; 2954 2955 if ((params->n_counter_offsets_beacon > 2956 IEEE80211_MAX_CSA_COUNTERS_NUM) || 2957 (params->n_counter_offsets_presp > 2958 IEEE80211_MAX_CSA_COUNTERS_NUM)) 2959 return -EINVAL; 2960 2961 csa.counter_offsets_beacon = params->counter_offsets_beacon; 2962 csa.counter_offsets_presp = params->counter_offsets_presp; 2963 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 2964 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 2965 csa.count = params->count; 2966 2967 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); 2968 if (err < 0) { 2969 kfree(sdata->u.ap.next_beacon); 2970 return err; 2971 } 2972 *changed |= err; 2973 2974 break; 2975 case NL80211_IFTYPE_ADHOC: 2976 if (!sdata->vif.bss_conf.ibss_joined) 2977 return -EINVAL; 2978 2979 if (params->chandef.width != sdata->u.ibss.chandef.width) 2980 return -EINVAL; 2981 2982 switch (params->chandef.width) { 2983 case NL80211_CHAN_WIDTH_40: 2984 if (cfg80211_get_chandef_type(¶ms->chandef) != 2985 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 2986 return -EINVAL; 2987 case NL80211_CHAN_WIDTH_5: 2988 case NL80211_CHAN_WIDTH_10: 2989 case NL80211_CHAN_WIDTH_20_NOHT: 2990 case NL80211_CHAN_WIDTH_20: 2991 break; 2992 default: 2993 return -EINVAL; 2994 } 2995 2996 /* changes into another band are not supported */ 2997 if (sdata->u.ibss.chandef.chan->band != 2998 params->chandef.chan->band) 2999 return -EINVAL; 3000 3001 /* see comments in the NL80211_IFTYPE_AP block */ 3002 if (params->count > 1) { 3003 err = ieee80211_ibss_csa_beacon(sdata, params); 3004 if (err < 0) 3005 return err; 3006 *changed |= err; 3007 } 3008 3009 ieee80211_send_action_csa(sdata, params); 3010 3011 break; 3012 #ifdef CONFIG_MAC80211_MESH 3013 case NL80211_IFTYPE_MESH_POINT: { 3014 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3015 3016 if (params->chandef.width != sdata->vif.bss_conf.chandef.width) 3017 return -EINVAL; 3018 3019 /* changes into another band are not supported */ 3020 if (sdata->vif.bss_conf.chandef.chan->band != 3021 params->chandef.chan->band) 3022 return -EINVAL; 3023 3024 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3025 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3026 if (!ifmsh->pre_value) 3027 ifmsh->pre_value = 1; 3028 else 3029 ifmsh->pre_value++; 3030 } 3031 3032 /* see comments in the NL80211_IFTYPE_AP block */ 3033 if (params->count > 1) { 3034 err = ieee80211_mesh_csa_beacon(sdata, params); 3035 if (err < 0) { 3036 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3037 return err; 3038 } 3039 *changed |= err; 3040 } 3041 3042 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3043 ieee80211_send_action_csa(sdata, params); 3044 3045 break; 3046 } 3047 #endif 3048 default: 3049 return -EOPNOTSUPP; 3050 } 3051 3052 return 0; 3053 } 3054 3055 static int 3056 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3057 struct cfg80211_csa_settings *params) 3058 { 3059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3060 struct ieee80211_local *local = sdata->local; 3061 struct ieee80211_channel_switch ch_switch; 3062 struct ieee80211_chanctx_conf *conf; 3063 struct ieee80211_chanctx *chanctx; 3064 u32 changed = 0; 3065 int err; 3066 3067 sdata_assert_lock(sdata); 3068 lockdep_assert_held(&local->mtx); 3069 3070 if (!list_empty(&local->roc_list) || local->scanning) 3071 return -EBUSY; 3072 3073 if (sdata->wdev.cac_started) 3074 return -EBUSY; 3075 3076 if (cfg80211_chandef_identical(¶ms->chandef, 3077 &sdata->vif.bss_conf.chandef)) 3078 return -EINVAL; 3079 3080 /* don't allow another channel switch if one is already active. */ 3081 if (sdata->vif.csa_active) 3082 return -EBUSY; 3083 3084 mutex_lock(&local->chanctx_mtx); 3085 conf = rcu_dereference_protected(sdata->vif.chanctx_conf, 3086 lockdep_is_held(&local->chanctx_mtx)); 3087 if (!conf) { 3088 err = -EBUSY; 3089 goto out; 3090 } 3091 3092 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3093 3094 ch_switch.timestamp = 0; 3095 ch_switch.device_timestamp = 0; 3096 ch_switch.block_tx = params->block_tx; 3097 ch_switch.chandef = params->chandef; 3098 ch_switch.count = params->count; 3099 3100 err = drv_pre_channel_switch(sdata, &ch_switch); 3101 if (err) 3102 goto out; 3103 3104 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, 3105 chanctx->mode, 3106 params->radar_required); 3107 if (err) 3108 goto out; 3109 3110 /* if reservation is invalid then this will fail */ 3111 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3112 if (err) { 3113 ieee80211_vif_unreserve_chanctx(sdata); 3114 goto out; 3115 } 3116 3117 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3118 if (err) { 3119 ieee80211_vif_unreserve_chanctx(sdata); 3120 goto out; 3121 } 3122 3123 sdata->csa_chandef = params->chandef; 3124 sdata->csa_block_tx = params->block_tx; 3125 sdata->vif.csa_active = true; 3126 3127 if (sdata->csa_block_tx) 3128 ieee80211_stop_vif_queues(local, sdata, 3129 IEEE80211_QUEUE_STOP_REASON_CSA); 3130 3131 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, 3132 params->count); 3133 3134 if (changed) { 3135 ieee80211_bss_info_change_notify(sdata, changed); 3136 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3137 } else { 3138 /* if the beacon didn't change, we can finalize immediately */ 3139 ieee80211_csa_finalize(sdata); 3140 } 3141 3142 out: 3143 mutex_unlock(&local->chanctx_mtx); 3144 return err; 3145 } 3146 3147 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3148 struct cfg80211_csa_settings *params) 3149 { 3150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3151 struct ieee80211_local *local = sdata->local; 3152 int err; 3153 3154 mutex_lock(&local->mtx); 3155 err = __ieee80211_channel_switch(wiphy, dev, params); 3156 mutex_unlock(&local->mtx); 3157 3158 return err; 3159 } 3160 3161 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local) 3162 { 3163 lockdep_assert_held(&local->mtx); 3164 3165 local->roc_cookie_counter++; 3166 3167 /* wow, you wrapped 64 bits ... more likely a bug */ 3168 if (WARN_ON(local->roc_cookie_counter == 0)) 3169 local->roc_cookie_counter++; 3170 3171 return local->roc_cookie_counter; 3172 } 3173 3174 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb, 3175 u64 *cookie, gfp_t gfp) 3176 { 3177 unsigned long spin_flags; 3178 struct sk_buff *ack_skb; 3179 int id; 3180 3181 ack_skb = skb_copy(skb, gfp); 3182 if (!ack_skb) 3183 return -ENOMEM; 3184 3185 spin_lock_irqsave(&local->ack_status_lock, spin_flags); 3186 id = idr_alloc(&local->ack_status_frames, ack_skb, 3187 1, 0x10000, GFP_ATOMIC); 3188 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags); 3189 3190 if (id < 0) { 3191 kfree_skb(ack_skb); 3192 return -ENOMEM; 3193 } 3194 3195 IEEE80211_SKB_CB(skb)->ack_frame_id = id; 3196 3197 *cookie = ieee80211_mgmt_tx_cookie(local); 3198 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie; 3199 3200 return 0; 3201 } 3202 3203 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 3204 struct wireless_dev *wdev, 3205 u16 frame_type, bool reg) 3206 { 3207 struct ieee80211_local *local = wiphy_priv(wiphy); 3208 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3209 3210 switch (frame_type) { 3211 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: 3212 if (reg) { 3213 local->probe_req_reg++; 3214 sdata->vif.probe_req_reg++; 3215 } else { 3216 if (local->probe_req_reg) 3217 local->probe_req_reg--; 3218 3219 if (sdata->vif.probe_req_reg) 3220 sdata->vif.probe_req_reg--; 3221 } 3222 3223 if (!local->open_count) 3224 break; 3225 3226 if (sdata->vif.probe_req_reg == 1) 3227 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ, 3228 FIF_PROBE_REQ); 3229 else if (sdata->vif.probe_req_reg == 0) 3230 drv_config_iface_filter(local, sdata, 0, 3231 FIF_PROBE_REQ); 3232 3233 ieee80211_configure_filter(local); 3234 break; 3235 default: 3236 break; 3237 } 3238 } 3239 3240 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3241 { 3242 struct ieee80211_local *local = wiphy_priv(wiphy); 3243 3244 if (local->started) 3245 return -EOPNOTSUPP; 3246 3247 return drv_set_antenna(local, tx_ant, rx_ant); 3248 } 3249 3250 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3251 { 3252 struct ieee80211_local *local = wiphy_priv(wiphy); 3253 3254 return drv_get_antenna(local, tx_ant, rx_ant); 3255 } 3256 3257 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3258 struct net_device *dev, 3259 struct cfg80211_gtk_rekey_data *data) 3260 { 3261 struct ieee80211_local *local = wiphy_priv(wiphy); 3262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3263 3264 if (!local->ops->set_rekey_data) 3265 return -EOPNOTSUPP; 3266 3267 drv_set_rekey_data(local, sdata, data); 3268 3269 return 0; 3270 } 3271 3272 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3273 const u8 *peer, u64 *cookie) 3274 { 3275 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3276 struct ieee80211_local *local = sdata->local; 3277 struct ieee80211_qos_hdr *nullfunc; 3278 struct sk_buff *skb; 3279 int size = sizeof(*nullfunc); 3280 __le16 fc; 3281 bool qos; 3282 struct ieee80211_tx_info *info; 3283 struct sta_info *sta; 3284 struct ieee80211_chanctx_conf *chanctx_conf; 3285 enum nl80211_band band; 3286 int ret; 3287 3288 /* the lock is needed to assign the cookie later */ 3289 mutex_lock(&local->mtx); 3290 3291 rcu_read_lock(); 3292 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3293 if (WARN_ON(!chanctx_conf)) { 3294 ret = -EINVAL; 3295 goto unlock; 3296 } 3297 band = chanctx_conf->def.chan->band; 3298 sta = sta_info_get_bss(sdata, peer); 3299 if (sta) { 3300 qos = sta->sta.wme; 3301 } else { 3302 ret = -ENOLINK; 3303 goto unlock; 3304 } 3305 3306 if (qos) { 3307 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3308 IEEE80211_STYPE_QOS_NULLFUNC | 3309 IEEE80211_FCTL_FROMDS); 3310 } else { 3311 size -= 2; 3312 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3313 IEEE80211_STYPE_NULLFUNC | 3314 IEEE80211_FCTL_FROMDS); 3315 } 3316 3317 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3318 if (!skb) { 3319 ret = -ENOMEM; 3320 goto unlock; 3321 } 3322 3323 skb->dev = dev; 3324 3325 skb_reserve(skb, local->hw.extra_tx_headroom); 3326 3327 nullfunc = (void *) skb_put(skb, size); 3328 nullfunc->frame_control = fc; 3329 nullfunc->duration_id = 0; 3330 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3331 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3332 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3333 nullfunc->seq_ctrl = 0; 3334 3335 info = IEEE80211_SKB_CB(skb); 3336 3337 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3338 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3339 info->band = band; 3340 3341 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3342 skb->priority = 7; 3343 if (qos) 3344 nullfunc->qos_ctrl = cpu_to_le16(7); 3345 3346 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC); 3347 if (ret) { 3348 kfree_skb(skb); 3349 goto unlock; 3350 } 3351 3352 local_bh_disable(); 3353 ieee80211_xmit(sdata, sta, skb); 3354 local_bh_enable(); 3355 3356 ret = 0; 3357 unlock: 3358 rcu_read_unlock(); 3359 mutex_unlock(&local->mtx); 3360 3361 return ret; 3362 } 3363 3364 static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 3365 struct wireless_dev *wdev, 3366 struct cfg80211_chan_def *chandef) 3367 { 3368 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3369 struct ieee80211_local *local = wiphy_priv(wiphy); 3370 struct ieee80211_chanctx_conf *chanctx_conf; 3371 int ret = -ENODATA; 3372 3373 rcu_read_lock(); 3374 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3375 if (chanctx_conf) { 3376 *chandef = sdata->vif.bss_conf.chandef; 3377 ret = 0; 3378 } else if (local->open_count > 0 && 3379 local->open_count == local->monitors && 3380 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 3381 if (local->use_chanctx) 3382 *chandef = local->monitor_chandef; 3383 else 3384 *chandef = local->_oper_chandef; 3385 ret = 0; 3386 } 3387 rcu_read_unlock(); 3388 3389 return ret; 3390 } 3391 3392 #ifdef CONFIG_PM 3393 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3394 { 3395 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3396 } 3397 #endif 3398 3399 static int ieee80211_set_qos_map(struct wiphy *wiphy, 3400 struct net_device *dev, 3401 struct cfg80211_qos_map *qos_map) 3402 { 3403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3404 struct mac80211_qos_map *new_qos_map, *old_qos_map; 3405 3406 if (qos_map) { 3407 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 3408 if (!new_qos_map) 3409 return -ENOMEM; 3410 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 3411 } else { 3412 /* A NULL qos_map was passed to disable QoS mapping */ 3413 new_qos_map = NULL; 3414 } 3415 3416 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 3417 rcu_assign_pointer(sdata->qos_map, new_qos_map); 3418 if (old_qos_map) 3419 kfree_rcu(old_qos_map, rcu_head); 3420 3421 return 0; 3422 } 3423 3424 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 3425 struct net_device *dev, 3426 struct cfg80211_chan_def *chandef) 3427 { 3428 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3429 int ret; 3430 u32 changed = 0; 3431 3432 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); 3433 if (ret == 0) 3434 ieee80211_bss_info_change_notify(sdata, changed); 3435 3436 return ret; 3437 } 3438 3439 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3440 u8 tsid, const u8 *peer, u8 up, 3441 u16 admitted_time) 3442 { 3443 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3444 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3445 int ac = ieee802_1d_to_ac[up]; 3446 3447 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3448 return -EOPNOTSUPP; 3449 3450 if (!(sdata->wmm_acm & BIT(up))) 3451 return -EINVAL; 3452 3453 if (ifmgd->tx_tspec[ac].admitted_time) 3454 return -EBUSY; 3455 3456 if (admitted_time) { 3457 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 3458 ifmgd->tx_tspec[ac].tsid = tsid; 3459 ifmgd->tx_tspec[ac].up = up; 3460 } 3461 3462 return 0; 3463 } 3464 3465 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3466 u8 tsid, const u8 *peer) 3467 { 3468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3469 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3470 struct ieee80211_local *local = wiphy_priv(wiphy); 3471 int ac; 3472 3473 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 3474 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 3475 3476 /* skip unused entries */ 3477 if (!tx_tspec->admitted_time) 3478 continue; 3479 3480 if (tx_tspec->tsid != tsid) 3481 continue; 3482 3483 /* due to this new packets will be reassigned to non-ACM ACs */ 3484 tx_tspec->up = -1; 3485 3486 /* Make sure that all packets have been sent to avoid to 3487 * restore the QoS params on packets that are still on the 3488 * queues. 3489 */ 3490 synchronize_net(); 3491 ieee80211_flush_queues(local, sdata, false); 3492 3493 /* restore the normal QoS parameters 3494 * (unconditionally to avoid races) 3495 */ 3496 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 3497 tx_tspec->downgraded = false; 3498 ieee80211_sta_handle_tspec_ac_params(sdata); 3499 3500 /* finally clear all the data */ 3501 memset(tx_tspec, 0, sizeof(*tx_tspec)); 3502 3503 return 0; 3504 } 3505 3506 return -ENOENT; 3507 } 3508 3509 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif, 3510 u8 inst_id, 3511 enum nl80211_nan_func_term_reason reason, 3512 gfp_t gfp) 3513 { 3514 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3515 struct cfg80211_nan_func *func; 3516 u64 cookie; 3517 3518 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3519 return; 3520 3521 spin_lock_bh(&sdata->u.nan.func_lock); 3522 3523 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id); 3524 if (WARN_ON(!func)) { 3525 spin_unlock_bh(&sdata->u.nan.func_lock); 3526 return; 3527 } 3528 3529 cookie = func->cookie; 3530 idr_remove(&sdata->u.nan.function_inst_ids, inst_id); 3531 3532 spin_unlock_bh(&sdata->u.nan.func_lock); 3533 3534 cfg80211_free_nan_func(func); 3535 3536 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id, 3537 reason, cookie, gfp); 3538 } 3539 EXPORT_SYMBOL(ieee80211_nan_func_terminated); 3540 3541 void ieee80211_nan_func_match(struct ieee80211_vif *vif, 3542 struct cfg80211_nan_match_params *match, 3543 gfp_t gfp) 3544 { 3545 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 3546 struct cfg80211_nan_func *func; 3547 3548 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN)) 3549 return; 3550 3551 spin_lock_bh(&sdata->u.nan.func_lock); 3552 3553 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id); 3554 if (WARN_ON(!func)) { 3555 spin_unlock_bh(&sdata->u.nan.func_lock); 3556 return; 3557 } 3558 match->cookie = func->cookie; 3559 3560 spin_unlock_bh(&sdata->u.nan.func_lock); 3561 3562 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp); 3563 } 3564 EXPORT_SYMBOL(ieee80211_nan_func_match); 3565 3566 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy, 3567 struct net_device *dev, 3568 const bool enabled) 3569 { 3570 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3571 3572 sdata->u.ap.multicast_to_unicast = enabled; 3573 3574 return 0; 3575 } 3576 3577 const struct cfg80211_ops mac80211_config_ops = { 3578 .add_virtual_intf = ieee80211_add_iface, 3579 .del_virtual_intf = ieee80211_del_iface, 3580 .change_virtual_intf = ieee80211_change_iface, 3581 .start_p2p_device = ieee80211_start_p2p_device, 3582 .stop_p2p_device = ieee80211_stop_p2p_device, 3583 .add_key = ieee80211_add_key, 3584 .del_key = ieee80211_del_key, 3585 .get_key = ieee80211_get_key, 3586 .set_default_key = ieee80211_config_default_key, 3587 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 3588 .start_ap = ieee80211_start_ap, 3589 .change_beacon = ieee80211_change_beacon, 3590 .stop_ap = ieee80211_stop_ap, 3591 .add_station = ieee80211_add_station, 3592 .del_station = ieee80211_del_station, 3593 .change_station = ieee80211_change_station, 3594 .get_station = ieee80211_get_station, 3595 .dump_station = ieee80211_dump_station, 3596 .dump_survey = ieee80211_dump_survey, 3597 #ifdef CONFIG_MAC80211_MESH 3598 .add_mpath = ieee80211_add_mpath, 3599 .del_mpath = ieee80211_del_mpath, 3600 .change_mpath = ieee80211_change_mpath, 3601 .get_mpath = ieee80211_get_mpath, 3602 .dump_mpath = ieee80211_dump_mpath, 3603 .get_mpp = ieee80211_get_mpp, 3604 .dump_mpp = ieee80211_dump_mpp, 3605 .update_mesh_config = ieee80211_update_mesh_config, 3606 .get_mesh_config = ieee80211_get_mesh_config, 3607 .join_mesh = ieee80211_join_mesh, 3608 .leave_mesh = ieee80211_leave_mesh, 3609 #endif 3610 .join_ocb = ieee80211_join_ocb, 3611 .leave_ocb = ieee80211_leave_ocb, 3612 .change_bss = ieee80211_change_bss, 3613 .set_txq_params = ieee80211_set_txq_params, 3614 .set_monitor_channel = ieee80211_set_monitor_channel, 3615 .suspend = ieee80211_suspend, 3616 .resume = ieee80211_resume, 3617 .scan = ieee80211_scan, 3618 .abort_scan = ieee80211_abort_scan, 3619 .sched_scan_start = ieee80211_sched_scan_start, 3620 .sched_scan_stop = ieee80211_sched_scan_stop, 3621 .auth = ieee80211_auth, 3622 .assoc = ieee80211_assoc, 3623 .deauth = ieee80211_deauth, 3624 .disassoc = ieee80211_disassoc, 3625 .join_ibss = ieee80211_join_ibss, 3626 .leave_ibss = ieee80211_leave_ibss, 3627 .set_mcast_rate = ieee80211_set_mcast_rate, 3628 .set_wiphy_params = ieee80211_set_wiphy_params, 3629 .set_tx_power = ieee80211_set_tx_power, 3630 .get_tx_power = ieee80211_get_tx_power, 3631 .set_wds_peer = ieee80211_set_wds_peer, 3632 .rfkill_poll = ieee80211_rfkill_poll, 3633 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 3634 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 3635 .set_power_mgmt = ieee80211_set_power_mgmt, 3636 .set_bitrate_mask = ieee80211_set_bitrate_mask, 3637 .remain_on_channel = ieee80211_remain_on_channel, 3638 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 3639 .mgmt_tx = ieee80211_mgmt_tx, 3640 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 3641 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 3642 .mgmt_frame_register = ieee80211_mgmt_frame_register, 3643 .set_antenna = ieee80211_set_antenna, 3644 .get_antenna = ieee80211_get_antenna, 3645 .set_rekey_data = ieee80211_set_rekey_data, 3646 .tdls_oper = ieee80211_tdls_oper, 3647 .tdls_mgmt = ieee80211_tdls_mgmt, 3648 .tdls_channel_switch = ieee80211_tdls_channel_switch, 3649 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 3650 .probe_client = ieee80211_probe_client, 3651 .set_noack_map = ieee80211_set_noack_map, 3652 #ifdef CONFIG_PM 3653 .set_wakeup = ieee80211_set_wakeup, 3654 #endif 3655 .get_channel = ieee80211_cfg_get_channel, 3656 .start_radar_detection = ieee80211_start_radar_detection, 3657 .channel_switch = ieee80211_channel_switch, 3658 .set_qos_map = ieee80211_set_qos_map, 3659 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 3660 .add_tx_ts = ieee80211_add_tx_ts, 3661 .del_tx_ts = ieee80211_del_tx_ts, 3662 .start_nan = ieee80211_start_nan, 3663 .stop_nan = ieee80211_stop_nan, 3664 .nan_change_conf = ieee80211_nan_change_conf, 3665 .add_nan_func = ieee80211_add_nan_func, 3666 .del_nan_func = ieee80211_del_nan_func, 3667 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast, 3668 }; 3669