1/* 2 * mac80211 configuration hooks for cfg80211 3 * 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 5 * Copyright 2013-2014 Intel Mobile Communications GmbH 6 * 7 * This file is GPLv2 as found in COPYING. 8 */ 9 10#include <linux/ieee80211.h> 11#include <linux/nl80211.h> 12#include <linux/rtnetlink.h> 13#include <linux/slab.h> 14#include <net/net_namespace.h> 15#include <linux/rcupdate.h> 16#include <linux/if_ether.h> 17#include <net/cfg80211.h> 18#include "ieee80211_i.h" 19#include "driver-ops.h" 20#include "cfg.h" 21#include "rate.h" 22#include "mesh.h" 23#include "wme.h" 24 25static 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 49static 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 56static 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 else if (type == NL80211_IFTYPE_STATION && 72 params && params->use_4addr >= 0) 73 sdata->u.mgd.use_4addr = params->use_4addr; 74 75 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { 76 struct ieee80211_local *local = sdata->local; 77 78 if (ieee80211_sdata_running(sdata)) { 79 u32 mask = MONITOR_FLAG_COOK_FRAMES | 80 MONITOR_FLAG_ACTIVE; 81 82 /* 83 * Prohibit MONITOR_FLAG_COOK_FRAMES and 84 * MONITOR_FLAG_ACTIVE to be changed while the 85 * interface is up. 86 * Else we would need to add a lot of cruft 87 * to update everything: 88 * cooked_mntrs, monitor and all fif_* counters 89 * reconfigure hardware 90 */ 91 if ((*flags & mask) != (sdata->u.mntr_flags & mask)) 92 return -EBUSY; 93 94 ieee80211_adjust_monitor_flags(sdata, -1); 95 sdata->u.mntr_flags = *flags; 96 ieee80211_adjust_monitor_flags(sdata, 1); 97 98 ieee80211_configure_filter(local); 99 } else { 100 /* 101 * Because the interface is down, ieee80211_do_stop 102 * and ieee80211_do_open take care of "everything" 103 * mentioned in the comment above. 104 */ 105 sdata->u.mntr_flags = *flags; 106 } 107 } 108 109 return 0; 110} 111 112static int ieee80211_start_p2p_device(struct wiphy *wiphy, 113 struct wireless_dev *wdev) 114{ 115 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 116 int ret; 117 118 mutex_lock(&sdata->local->chanctx_mtx); 119 ret = ieee80211_check_combinations(sdata, NULL, 0, 0); 120 mutex_unlock(&sdata->local->chanctx_mtx); 121 if (ret < 0) 122 return ret; 123 124 return ieee80211_do_open(wdev, true); 125} 126 127static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 128 struct wireless_dev *wdev) 129{ 130 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 131} 132 133static int ieee80211_set_noack_map(struct wiphy *wiphy, 134 struct net_device *dev, 135 u16 noack_map) 136{ 137 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 138 139 sdata->noack_map = noack_map; 140 return 0; 141} 142 143static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 144 u8 key_idx, bool pairwise, const u8 *mac_addr, 145 struct key_params *params) 146{ 147 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 148 struct ieee80211_local *local = sdata->local; 149 struct sta_info *sta = NULL; 150 const struct ieee80211_cipher_scheme *cs = NULL; 151 struct ieee80211_key *key; 152 int err; 153 154 if (!ieee80211_sdata_running(sdata)) 155 return -ENETDOWN; 156 157 /* reject WEP and TKIP keys if WEP failed to initialize */ 158 switch (params->cipher) { 159 case WLAN_CIPHER_SUITE_WEP40: 160 case WLAN_CIPHER_SUITE_TKIP: 161 case WLAN_CIPHER_SUITE_WEP104: 162 if (IS_ERR(local->wep_tx_tfm)) 163 return -EINVAL; 164 break; 165 case WLAN_CIPHER_SUITE_CCMP: 166 case WLAN_CIPHER_SUITE_CCMP_256: 167 case WLAN_CIPHER_SUITE_AES_CMAC: 168 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 169 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 170 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 171 case WLAN_CIPHER_SUITE_GCMP: 172 case WLAN_CIPHER_SUITE_GCMP_256: 173 break; 174 default: 175 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type); 176 break; 177 } 178 179 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 180 params->key, params->seq_len, params->seq, 181 cs); 182 if (IS_ERR(key)) 183 return PTR_ERR(key); 184 185 if (pairwise) 186 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 187 188 mutex_lock(&local->sta_mtx); 189 190 if (mac_addr) { 191 if (ieee80211_vif_is_mesh(&sdata->vif)) 192 sta = sta_info_get(sdata, mac_addr); 193 else 194 sta = sta_info_get_bss(sdata, mac_addr); 195 /* 196 * The ASSOC test makes sure the driver is ready to 197 * receive the key. When wpa_supplicant has roamed 198 * using FT, it attempts to set the key before 199 * association has completed, this rejects that attempt 200 * so it will set the key again after association. 201 * 202 * TODO: accept the key if we have a station entry and 203 * add it to the device after the station. 204 */ 205 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) { 206 ieee80211_key_free_unused(key); 207 err = -ENOENT; 208 goto out_unlock; 209 } 210 } 211 212 switch (sdata->vif.type) { 213 case NL80211_IFTYPE_STATION: 214 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 215 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 216 break; 217 case NL80211_IFTYPE_AP: 218 case NL80211_IFTYPE_AP_VLAN: 219 /* Keys without a station are used for TX only */ 220 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) 221 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 222 break; 223 case NL80211_IFTYPE_ADHOC: 224 /* no MFP (yet) */ 225 break; 226 case NL80211_IFTYPE_MESH_POINT: 227#ifdef CONFIG_MAC80211_MESH 228 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 229 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 230 break; 231#endif 232 case NL80211_IFTYPE_WDS: 233 case NL80211_IFTYPE_MONITOR: 234 case NL80211_IFTYPE_P2P_DEVICE: 235 case NL80211_IFTYPE_UNSPECIFIED: 236 case NUM_NL80211_IFTYPES: 237 case NL80211_IFTYPE_P2P_CLIENT: 238 case NL80211_IFTYPE_P2P_GO: 239 case NL80211_IFTYPE_OCB: 240 /* shouldn't happen */ 241 WARN_ON_ONCE(1); 242 break; 243 } 244 245 if (sta) 246 sta->cipher_scheme = cs; 247 248 err = ieee80211_key_link(key, sdata, sta); 249 250 out_unlock: 251 mutex_unlock(&local->sta_mtx); 252 253 return err; 254} 255 256static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 257 u8 key_idx, bool pairwise, const u8 *mac_addr) 258{ 259 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 260 struct ieee80211_local *local = sdata->local; 261 struct sta_info *sta; 262 struct ieee80211_key *key = NULL; 263 int ret; 264 265 mutex_lock(&local->sta_mtx); 266 mutex_lock(&local->key_mtx); 267 268 if (mac_addr) { 269 ret = -ENOENT; 270 271 sta = sta_info_get_bss(sdata, mac_addr); 272 if (!sta) 273 goto out_unlock; 274 275 if (pairwise) 276 key = key_mtx_dereference(local, sta->ptk[key_idx]); 277 else 278 key = key_mtx_dereference(local, sta->gtk[key_idx]); 279 } else 280 key = key_mtx_dereference(local, sdata->keys[key_idx]); 281 282 if (!key) { 283 ret = -ENOENT; 284 goto out_unlock; 285 } 286 287 ieee80211_key_free(key, true); 288 289 ret = 0; 290 out_unlock: 291 mutex_unlock(&local->key_mtx); 292 mutex_unlock(&local->sta_mtx); 293 294 return ret; 295} 296 297static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 298 u8 key_idx, bool pairwise, const u8 *mac_addr, 299 void *cookie, 300 void (*callback)(void *cookie, 301 struct key_params *params)) 302{ 303 struct ieee80211_sub_if_data *sdata; 304 struct sta_info *sta = NULL; 305 u8 seq[6] = {0}; 306 struct key_params params; 307 struct ieee80211_key *key = NULL; 308 u64 pn64; 309 u32 iv32; 310 u16 iv16; 311 int err = -ENOENT; 312 313 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 314 315 rcu_read_lock(); 316 317 if (mac_addr) { 318 sta = sta_info_get_bss(sdata, mac_addr); 319 if (!sta) 320 goto out; 321 322 if (pairwise && key_idx < NUM_DEFAULT_KEYS) 323 key = rcu_dereference(sta->ptk[key_idx]); 324 else if (!pairwise && 325 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) 326 key = rcu_dereference(sta->gtk[key_idx]); 327 } else 328 key = rcu_dereference(sdata->keys[key_idx]); 329 330 if (!key) 331 goto out; 332 333 memset(¶ms, 0, sizeof(params)); 334 335 params.cipher = key->conf.cipher; 336 337 switch (key->conf.cipher) { 338 case WLAN_CIPHER_SUITE_TKIP: 339 iv32 = key->u.tkip.tx.iv32; 340 iv16 = key->u.tkip.tx.iv16; 341 342 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) 343 drv_get_tkip_seq(sdata->local, 344 key->conf.hw_key_idx, 345 &iv32, &iv16); 346 347 seq[0] = iv16 & 0xff; 348 seq[1] = (iv16 >> 8) & 0xff; 349 seq[2] = iv32 & 0xff; 350 seq[3] = (iv32 >> 8) & 0xff; 351 seq[4] = (iv32 >> 16) & 0xff; 352 seq[5] = (iv32 >> 24) & 0xff; 353 params.seq = seq; 354 params.seq_len = 6; 355 break; 356 case WLAN_CIPHER_SUITE_CCMP: 357 case WLAN_CIPHER_SUITE_CCMP_256: 358 pn64 = atomic64_read(&key->u.ccmp.tx_pn); 359 seq[0] = pn64; 360 seq[1] = pn64 >> 8; 361 seq[2] = pn64 >> 16; 362 seq[3] = pn64 >> 24; 363 seq[4] = pn64 >> 32; 364 seq[5] = pn64 >> 40; 365 params.seq = seq; 366 params.seq_len = 6; 367 break; 368 case WLAN_CIPHER_SUITE_AES_CMAC: 369 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 370 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); 371 seq[0] = pn64; 372 seq[1] = pn64 >> 8; 373 seq[2] = pn64 >> 16; 374 seq[3] = pn64 >> 24; 375 seq[4] = pn64 >> 32; 376 seq[5] = pn64 >> 40; 377 params.seq = seq; 378 params.seq_len = 6; 379 break; 380 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 381 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 382 pn64 = atomic64_read(&key->u.aes_gmac.tx_pn); 383 seq[0] = pn64; 384 seq[1] = pn64 >> 8; 385 seq[2] = pn64 >> 16; 386 seq[3] = pn64 >> 24; 387 seq[4] = pn64 >> 32; 388 seq[5] = pn64 >> 40; 389 params.seq = seq; 390 params.seq_len = 6; 391 break; 392 case WLAN_CIPHER_SUITE_GCMP: 393 case WLAN_CIPHER_SUITE_GCMP_256: 394 pn64 = atomic64_read(&key->u.gcmp.tx_pn); 395 seq[0] = pn64; 396 seq[1] = pn64 >> 8; 397 seq[2] = pn64 >> 16; 398 seq[3] = pn64 >> 24; 399 seq[4] = pn64 >> 32; 400 seq[5] = pn64 >> 40; 401 params.seq = seq; 402 params.seq_len = 6; 403 break; 404 } 405 406 params.key = key->conf.key; 407 params.key_len = key->conf.keylen; 408 409 callback(cookie, ¶ms); 410 err = 0; 411 412 out: 413 rcu_read_unlock(); 414 return err; 415} 416 417static int ieee80211_config_default_key(struct wiphy *wiphy, 418 struct net_device *dev, 419 u8 key_idx, bool uni, 420 bool multi) 421{ 422 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 423 424 ieee80211_set_default_key(sdata, key_idx, uni, multi); 425 426 return 0; 427} 428 429static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 430 struct net_device *dev, 431 u8 key_idx) 432{ 433 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 434 435 ieee80211_set_default_mgmt_key(sdata, key_idx); 436 437 return 0; 438} 439 440void sta_set_rate_info_tx(struct sta_info *sta, 441 const struct ieee80211_tx_rate *rate, 442 struct rate_info *rinfo) 443{ 444 rinfo->flags = 0; 445 if (rate->flags & IEEE80211_TX_RC_MCS) { 446 rinfo->flags |= RATE_INFO_FLAGS_MCS; 447 rinfo->mcs = rate->idx; 448 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { 449 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 450 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate); 451 rinfo->nss = ieee80211_rate_get_vht_nss(rate); 452 } else { 453 struct ieee80211_supported_band *sband; 454 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 455 u16 brate; 456 457 sband = sta->local->hw.wiphy->bands[ 458 ieee80211_get_sdata_band(sta->sdata)]; 459 brate = sband->bitrates[rate->idx].bitrate; 460 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 461 } 462 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 463 rinfo->bw = RATE_INFO_BW_40; 464 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) 465 rinfo->bw = RATE_INFO_BW_80; 466 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH) 467 rinfo->bw = RATE_INFO_BW_160; 468 else 469 rinfo->bw = RATE_INFO_BW_20; 470 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 471 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 472} 473 474void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) 475{ 476 rinfo->flags = 0; 477 478 if (sta->last_rx_rate_flag & RX_FLAG_HT) { 479 rinfo->flags |= RATE_INFO_FLAGS_MCS; 480 rinfo->mcs = sta->last_rx_rate_idx; 481 } else if (sta->last_rx_rate_flag & RX_FLAG_VHT) { 482 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS; 483 rinfo->nss = sta->last_rx_rate_vht_nss; 484 rinfo->mcs = sta->last_rx_rate_idx; 485 } else { 486 struct ieee80211_supported_band *sband; 487 int shift = ieee80211_vif_get_shift(&sta->sdata->vif); 488 u16 brate; 489 490 sband = sta->local->hw.wiphy->bands[ 491 ieee80211_get_sdata_band(sta->sdata)]; 492 brate = sband->bitrates[sta->last_rx_rate_idx].bitrate; 493 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift); 494 } 495 496 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) 497 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 498 499 if (sta->last_rx_rate_flag & RX_FLAG_5MHZ) 500 rinfo->bw = RATE_INFO_BW_5; 501 else if (sta->last_rx_rate_flag & RX_FLAG_10MHZ) 502 rinfo->bw = RATE_INFO_BW_10; 503 else if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) 504 rinfo->bw = RATE_INFO_BW_40; 505 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_80MHZ) 506 rinfo->bw = RATE_INFO_BW_80; 507 else if (sta->last_rx_rate_vht_flag & RX_VHT_FLAG_160MHZ) 508 rinfo->bw = RATE_INFO_BW_160; 509 else 510 rinfo->bw = RATE_INFO_BW_20; 511} 512 513static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 514 int idx, u8 *mac, struct station_info *sinfo) 515{ 516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 517 struct ieee80211_local *local = sdata->local; 518 struct sta_info *sta; 519 int ret = -ENOENT; 520 521 mutex_lock(&local->sta_mtx); 522 523 sta = sta_info_get_by_idx(sdata, idx); 524 if (sta) { 525 ret = 0; 526 memcpy(mac, sta->sta.addr, ETH_ALEN); 527 sta_set_sinfo(sta, sinfo); 528 } 529 530 mutex_unlock(&local->sta_mtx); 531 532 return ret; 533} 534 535static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 536 int idx, struct survey_info *survey) 537{ 538 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 539 540 return drv_get_survey(local, idx, survey); 541} 542 543static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 544 const u8 *mac, struct station_info *sinfo) 545{ 546 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 547 struct ieee80211_local *local = sdata->local; 548 struct sta_info *sta; 549 int ret = -ENOENT; 550 551 mutex_lock(&local->sta_mtx); 552 553 sta = sta_info_get_bss(sdata, mac); 554 if (sta) { 555 ret = 0; 556 sta_set_sinfo(sta, sinfo); 557 } 558 559 mutex_unlock(&local->sta_mtx); 560 561 return ret; 562} 563 564static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 565 struct cfg80211_chan_def *chandef) 566{ 567 struct ieee80211_local *local = wiphy_priv(wiphy); 568 struct ieee80211_sub_if_data *sdata; 569 int ret = 0; 570 571 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef)) 572 return 0; 573 574 mutex_lock(&local->mtx); 575 mutex_lock(&local->iflist_mtx); 576 if (local->use_chanctx) { 577 sdata = rcu_dereference_protected( 578 local->monitor_sdata, 579 lockdep_is_held(&local->iflist_mtx)); 580 if (sdata) { 581 ieee80211_vif_release_channel(sdata); 582 ret = ieee80211_vif_use_channel(sdata, chandef, 583 IEEE80211_CHANCTX_EXCLUSIVE); 584 } 585 } else if (local->open_count == local->monitors) { 586 local->_oper_chandef = *chandef; 587 ieee80211_hw_config(local, 0); 588 } 589 590 if (ret == 0) 591 local->monitor_chandef = *chandef; 592 mutex_unlock(&local->iflist_mtx); 593 mutex_unlock(&local->mtx); 594 595 return ret; 596} 597 598static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 599 const u8 *resp, size_t resp_len, 600 const struct ieee80211_csa_settings *csa) 601{ 602 struct probe_resp *new, *old; 603 604 if (!resp || !resp_len) 605 return 1; 606 607 old = sdata_dereference(sdata->u.ap.probe_resp, sdata); 608 609 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 610 if (!new) 611 return -ENOMEM; 612 613 new->len = resp_len; 614 memcpy(new->data, resp, resp_len); 615 616 if (csa) 617 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp, 618 csa->n_counter_offsets_presp * 619 sizeof(new->csa_counter_offsets[0])); 620 621 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 622 if (old) 623 kfree_rcu(old, rcu_head); 624 625 return 0; 626} 627 628static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 629 struct cfg80211_beacon_data *params, 630 const struct ieee80211_csa_settings *csa) 631{ 632 struct beacon_data *new, *old; 633 int new_head_len, new_tail_len; 634 int size, err; 635 u32 changed = BSS_CHANGED_BEACON; 636 637 old = sdata_dereference(sdata->u.ap.beacon, sdata); 638 639 640 /* Need to have a beacon head if we don't have one yet */ 641 if (!params->head && !old) 642 return -EINVAL; 643 644 /* new or old head? */ 645 if (params->head) 646 new_head_len = params->head_len; 647 else 648 new_head_len = old->head_len; 649 650 /* new or old tail? */ 651 if (params->tail || !old) 652 /* params->tail_len will be zero for !params->tail */ 653 new_tail_len = params->tail_len; 654 else 655 new_tail_len = old->tail_len; 656 657 size = sizeof(*new) + new_head_len + new_tail_len; 658 659 new = kzalloc(size, GFP_KERNEL); 660 if (!new) 661 return -ENOMEM; 662 663 /* start filling the new info now */ 664 665 /* 666 * pointers go into the block we allocated, 667 * memory is | beacon_data | head | tail | 668 */ 669 new->head = ((u8 *) new) + sizeof(*new); 670 new->tail = new->head + new_head_len; 671 new->head_len = new_head_len; 672 new->tail_len = new_tail_len; 673 674 if (csa) { 675 new->csa_current_counter = csa->count; 676 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon, 677 csa->n_counter_offsets_beacon * 678 sizeof(new->csa_counter_offsets[0])); 679 } 680 681 /* copy in head */ 682 if (params->head) 683 memcpy(new->head, params->head, new_head_len); 684 else 685 memcpy(new->head, old->head, new_head_len); 686 687 /* copy in optional tail */ 688 if (params->tail) 689 memcpy(new->tail, params->tail, new_tail_len); 690 else 691 if (old) 692 memcpy(new->tail, old->tail, new_tail_len); 693 694 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 695 params->probe_resp_len, csa); 696 if (err < 0) 697 return err; 698 if (err == 0) 699 changed |= BSS_CHANGED_AP_PROBE_RESP; 700 701 rcu_assign_pointer(sdata->u.ap.beacon, new); 702 703 if (old) 704 kfree_rcu(old, rcu_head); 705 706 return changed; 707} 708 709static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 710 struct cfg80211_ap_settings *params) 711{ 712 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 713 struct ieee80211_local *local = sdata->local; 714 struct beacon_data *old; 715 struct ieee80211_sub_if_data *vlan; 716 u32 changed = BSS_CHANGED_BEACON_INT | 717 BSS_CHANGED_BEACON_ENABLED | 718 BSS_CHANGED_BEACON | 719 BSS_CHANGED_SSID | 720 BSS_CHANGED_P2P_PS | 721 BSS_CHANGED_TXPOWER; 722 int err; 723 724 old = sdata_dereference(sdata->u.ap.beacon, sdata); 725 if (old) 726 return -EALREADY; 727 728 switch (params->smps_mode) { 729 case NL80211_SMPS_OFF: 730 sdata->smps_mode = IEEE80211_SMPS_OFF; 731 break; 732 case NL80211_SMPS_STATIC: 733 sdata->smps_mode = IEEE80211_SMPS_STATIC; 734 break; 735 case NL80211_SMPS_DYNAMIC: 736 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC; 737 break; 738 default: 739 return -EINVAL; 740 } 741 sdata->needed_rx_chains = sdata->local->rx_chains; 742 743 mutex_lock(&local->mtx); 744 err = ieee80211_vif_use_channel(sdata, ¶ms->chandef, 745 IEEE80211_CHANCTX_SHARED); 746 if (!err) 747 ieee80211_vif_copy_chanctx_to_vlans(sdata, false); 748 mutex_unlock(&local->mtx); 749 if (err) 750 return err; 751 752 /* 753 * Apply control port protocol, this allows us to 754 * not encrypt dynamic WEP control frames. 755 */ 756 sdata->control_port_protocol = params->crypto.control_port_ethertype; 757 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 758 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local, 759 ¶ms->crypto, 760 sdata->vif.type); 761 762 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 763 vlan->control_port_protocol = 764 params->crypto.control_port_ethertype; 765 vlan->control_port_no_encrypt = 766 params->crypto.control_port_no_encrypt; 767 vlan->encrypt_headroom = 768 ieee80211_cs_headroom(sdata->local, 769 ¶ms->crypto, 770 vlan->vif.type); 771 } 772 773 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 774 sdata->vif.bss_conf.dtim_period = params->dtim_period; 775 sdata->vif.bss_conf.enable_beacon = true; 776 777 sdata->vif.bss_conf.ssid_len = params->ssid_len; 778 if (params->ssid_len) 779 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 780 params->ssid_len); 781 sdata->vif.bss_conf.hidden_ssid = 782 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 783 784 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0, 785 sizeof(sdata->vif.bss_conf.p2p_noa_attr)); 786 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow = 787 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 788 if (params->p2p_opp_ps) 789 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 790 IEEE80211_P2P_OPPPS_ENABLE_BIT; 791 792 err = ieee80211_assign_beacon(sdata, ¶ms->beacon, NULL); 793 if (err < 0) { 794 ieee80211_vif_release_channel(sdata); 795 return err; 796 } 797 changed |= err; 798 799 err = drv_start_ap(sdata->local, sdata); 800 if (err) { 801 old = sdata_dereference(sdata->u.ap.beacon, sdata); 802 803 if (old) 804 kfree_rcu(old, rcu_head); 805 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 806 ieee80211_vif_release_channel(sdata); 807 return err; 808 } 809 810 ieee80211_recalc_dtim(local, sdata); 811 ieee80211_bss_info_change_notify(sdata, changed); 812 813 netif_carrier_on(dev); 814 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 815 netif_carrier_on(vlan->dev); 816 817 return 0; 818} 819 820static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 821 struct cfg80211_beacon_data *params) 822{ 823 struct ieee80211_sub_if_data *sdata; 824 struct beacon_data *old; 825 int err; 826 827 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 828 sdata_assert_lock(sdata); 829 830 /* don't allow changing the beacon while CSA is in place - offset 831 * of channel switch counter may change 832 */ 833 if (sdata->vif.csa_active) 834 return -EBUSY; 835 836 old = sdata_dereference(sdata->u.ap.beacon, sdata); 837 if (!old) 838 return -ENOENT; 839 840 err = ieee80211_assign_beacon(sdata, params, NULL); 841 if (err < 0) 842 return err; 843 ieee80211_bss_info_change_notify(sdata, err); 844 return 0; 845} 846 847static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 848{ 849 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 850 struct ieee80211_sub_if_data *vlan; 851 struct ieee80211_local *local = sdata->local; 852 struct beacon_data *old_beacon; 853 struct probe_resp *old_probe_resp; 854 struct cfg80211_chan_def chandef; 855 856 sdata_assert_lock(sdata); 857 858 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata); 859 if (!old_beacon) 860 return -ENOENT; 861 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata); 862 863 /* abort any running channel switch */ 864 mutex_lock(&local->mtx); 865 sdata->vif.csa_active = false; 866 if (sdata->csa_block_tx) { 867 ieee80211_wake_vif_queues(local, sdata, 868 IEEE80211_QUEUE_STOP_REASON_CSA); 869 sdata->csa_block_tx = false; 870 } 871 872 mutex_unlock(&local->mtx); 873 874 kfree(sdata->u.ap.next_beacon); 875 sdata->u.ap.next_beacon = NULL; 876 877 /* turn off carrier for this interface and dependent VLANs */ 878 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 879 netif_carrier_off(vlan->dev); 880 netif_carrier_off(dev); 881 882 /* remove beacon and probe response */ 883 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 884 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL); 885 kfree_rcu(old_beacon, rcu_head); 886 if (old_probe_resp) 887 kfree_rcu(old_probe_resp, rcu_head); 888 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; 889 890 __sta_info_flush(sdata, true); 891 ieee80211_free_keys(sdata, true); 892 893 sdata->vif.bss_conf.enable_beacon = false; 894 sdata->vif.bss_conf.ssid_len = 0; 895 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state); 896 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 897 898 if (sdata->wdev.cac_started) { 899 chandef = sdata->vif.bss_conf.chandef; 900 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work); 901 cfg80211_cac_event(sdata->dev, &chandef, 902 NL80211_RADAR_CAC_ABORTED, 903 GFP_KERNEL); 904 } 905 906 drv_stop_ap(sdata->local, sdata); 907 908 /* free all potentially still buffered bcast frames */ 909 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf); 910 skb_queue_purge(&sdata->u.ap.ps.bc_buf); 911 912 mutex_lock(&local->mtx); 913 ieee80211_vif_copy_chanctx_to_vlans(sdata, true); 914 ieee80211_vif_release_channel(sdata); 915 mutex_unlock(&local->mtx); 916 917 return 0; 918} 919 920/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 921struct iapp_layer2_update { 922 u8 da[ETH_ALEN]; /* broadcast */ 923 u8 sa[ETH_ALEN]; /* STA addr */ 924 __be16 len; /* 6 */ 925 u8 dsap; /* 0 */ 926 u8 ssap; /* 0 */ 927 u8 control; 928 u8 xid_info[3]; 929} __packed; 930 931static void ieee80211_send_layer2_update(struct sta_info *sta) 932{ 933 struct iapp_layer2_update *msg; 934 struct sk_buff *skb; 935 936 /* Send Level 2 Update Frame to update forwarding tables in layer 2 937 * bridge devices */ 938 939 skb = dev_alloc_skb(sizeof(*msg)); 940 if (!skb) 941 return; 942 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 943 944 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 945 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 946 947 eth_broadcast_addr(msg->da); 948 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 949 msg->len = htons(6); 950 msg->dsap = 0; 951 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 952 msg->control = 0xaf; /* XID response lsb.1111F101. 953 * F=0 (no poll command; unsolicited frame) */ 954 msg->xid_info[0] = 0x81; /* XID format identifier */ 955 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 956 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 957 958 skb->dev = sta->sdata->dev; 959 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 960 memset(skb->cb, 0, sizeof(skb->cb)); 961 netif_rx_ni(skb); 962} 963 964static int sta_apply_auth_flags(struct ieee80211_local *local, 965 struct sta_info *sta, 966 u32 mask, u32 set) 967{ 968 int ret; 969 970 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 971 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 972 !test_sta_flag(sta, WLAN_STA_AUTH)) { 973 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 974 if (ret) 975 return ret; 976 } 977 978 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 979 set & BIT(NL80211_STA_FLAG_ASSOCIATED) && 980 !test_sta_flag(sta, WLAN_STA_ASSOC)) { 981 /* 982 * When peer becomes associated, init rate control as 983 * well. Some drivers require rate control initialized 984 * before drv_sta_state() is called. 985 */ 986 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) 987 rate_control_rate_init(sta); 988 989 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 990 if (ret) 991 return ret; 992 } 993 994 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 995 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 996 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 997 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 998 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 999 else 1000 ret = 0; 1001 if (ret) 1002 return ret; 1003 } 1004 1005 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) && 1006 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) && 1007 test_sta_flag(sta, WLAN_STA_ASSOC)) { 1008 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1009 if (ret) 1010 return ret; 1011 } 1012 1013 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1014 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1015 test_sta_flag(sta, WLAN_STA_AUTH)) { 1016 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1017 if (ret) 1018 return ret; 1019 } 1020 1021 return 0; 1022} 1023 1024static int sta_apply_parameters(struct ieee80211_local *local, 1025 struct sta_info *sta, 1026 struct station_parameters *params) 1027{ 1028 int ret = 0; 1029 struct ieee80211_supported_band *sband; 1030 struct ieee80211_sub_if_data *sdata = sta->sdata; 1031 enum ieee80211_band band = ieee80211_get_sdata_band(sdata); 1032 u32 mask, set; 1033 1034 sband = local->hw.wiphy->bands[band]; 1035 1036 mask = params->sta_flags_mask; 1037 set = params->sta_flags_set; 1038 1039 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1040 /* 1041 * In mesh mode, ASSOCIATED isn't part of the nl80211 1042 * API but must follow AUTHENTICATED for driver state. 1043 */ 1044 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1045 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1046 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 1047 set |= BIT(NL80211_STA_FLAG_ASSOCIATED); 1048 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1049 /* 1050 * TDLS -- everything follows authorized, but 1051 * only becoming authorized is possible, not 1052 * going back 1053 */ 1054 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1055 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1056 BIT(NL80211_STA_FLAG_ASSOCIATED); 1057 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) | 1058 BIT(NL80211_STA_FLAG_ASSOCIATED); 1059 } 1060 } 1061 1062 if (mask & BIT(NL80211_STA_FLAG_WME) && 1063 local->hw.queues >= IEEE80211_NUM_ACS) 1064 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME); 1065 1066 /* auth flags will be set later for TDLS stations */ 1067 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1068 ret = sta_apply_auth_flags(local, sta, mask, set); 1069 if (ret) 1070 return ret; 1071 } 1072 1073 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1074 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1075 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1076 else 1077 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1078 } 1079 1080 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1081 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP)); 1082 if (set & BIT(NL80211_STA_FLAG_MFP)) 1083 set_sta_flag(sta, WLAN_STA_MFP); 1084 else 1085 clear_sta_flag(sta, WLAN_STA_MFP); 1086 } 1087 1088 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1089 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1090 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1091 else 1092 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1093 } 1094 1095 /* mark TDLS channel switch support, if the AP allows it */ 1096 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && 1097 !sdata->u.mgd.tdls_chan_switch_prohibited && 1098 params->ext_capab_len >= 4 && 1099 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) 1100 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH); 1101 1102 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1103 sta->sta.uapsd_queues = params->uapsd_queues; 1104 sta->sta.max_sp = params->max_sp; 1105 } 1106 1107 /* 1108 * cfg80211 validates this (1-2007) and allows setting the AID 1109 * only when creating a new station entry 1110 */ 1111 if (params->aid) 1112 sta->sta.aid = params->aid; 1113 1114 /* 1115 * Some of the following updates would be racy if called on an 1116 * existing station, via ieee80211_change_station(). However, 1117 * all such changes are rejected by cfg80211 except for updates 1118 * changing the supported rates on an existing but not yet used 1119 * TDLS peer. 1120 */ 1121 1122 if (params->listen_interval >= 0) 1123 sta->listen_interval = params->listen_interval; 1124 1125 if (params->supported_rates) { 1126 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1127 sband, params->supported_rates, 1128 params->supported_rates_len, 1129 &sta->sta.supp_rates[band]); 1130 } 1131 1132 if (params->ht_capa) 1133 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1134 params->ht_capa, sta); 1135 1136 if (params->vht_capa) 1137 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband, 1138 params->vht_capa, sta); 1139 1140 if (params->opmode_notif_used) { 1141 /* returned value is only needed for rc update, but the 1142 * rc isn't initialized here yet, so ignore it 1143 */ 1144 __ieee80211_vht_handle_opmode(sdata, sta, 1145 params->opmode_notif, 1146 band, false); 1147 } 1148 1149 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1150#ifdef CONFIG_MAC80211_MESH 1151 u32 changed = 0; 1152 1153 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) { 1154 switch (params->plink_state) { 1155 case NL80211_PLINK_ESTAB: 1156 if (sta->plink_state != NL80211_PLINK_ESTAB) 1157 changed = mesh_plink_inc_estab_count( 1158 sdata); 1159 sta->plink_state = params->plink_state; 1160 1161 ieee80211_mps_sta_status_update(sta); 1162 changed |= ieee80211_mps_set_sta_local_pm(sta, 1163 sdata->u.mesh.mshcfg.power_mode); 1164 break; 1165 case NL80211_PLINK_LISTEN: 1166 case NL80211_PLINK_BLOCKED: 1167 case NL80211_PLINK_OPN_SNT: 1168 case NL80211_PLINK_OPN_RCVD: 1169 case NL80211_PLINK_CNF_RCVD: 1170 case NL80211_PLINK_HOLDING: 1171 if (sta->plink_state == NL80211_PLINK_ESTAB) 1172 changed = mesh_plink_dec_estab_count( 1173 sdata); 1174 sta->plink_state = params->plink_state; 1175 1176 ieee80211_mps_sta_status_update(sta); 1177 changed |= ieee80211_mps_set_sta_local_pm(sta, 1178 NL80211_MESH_POWER_UNKNOWN); 1179 break; 1180 default: 1181 /* nothing */ 1182 break; 1183 } 1184 } 1185 1186 switch (params->plink_action) { 1187 case NL80211_PLINK_ACTION_NO_ACTION: 1188 /* nothing */ 1189 break; 1190 case NL80211_PLINK_ACTION_OPEN: 1191 changed |= mesh_plink_open(sta); 1192 break; 1193 case NL80211_PLINK_ACTION_BLOCK: 1194 changed |= mesh_plink_block(sta); 1195 break; 1196 } 1197 1198 if (params->local_pm) 1199 changed |= 1200 ieee80211_mps_set_sta_local_pm(sta, 1201 params->local_pm); 1202 ieee80211_mbss_info_change_notify(sdata, changed); 1203#endif 1204 } 1205 1206 /* set the STA state after all sta info from usermode has been set */ 1207 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1208 ret = sta_apply_auth_flags(local, sta, mask, set); 1209 if (ret) 1210 return ret; 1211 } 1212 1213 return 0; 1214} 1215 1216static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1217 const u8 *mac, 1218 struct station_parameters *params) 1219{ 1220 struct ieee80211_local *local = wiphy_priv(wiphy); 1221 struct sta_info *sta; 1222 struct ieee80211_sub_if_data *sdata; 1223 int err; 1224 int layer2_update; 1225 1226 if (params->vlan) { 1227 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1228 1229 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1230 sdata->vif.type != NL80211_IFTYPE_AP) 1231 return -EINVAL; 1232 } else 1233 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1234 1235 if (ether_addr_equal(mac, sdata->vif.addr)) 1236 return -EINVAL; 1237 1238 if (is_multicast_ether_addr(mac)) 1239 return -EINVAL; 1240 1241 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1242 if (!sta) 1243 return -ENOMEM; 1244 1245 /* 1246 * defaults -- if userspace wants something else we'll 1247 * change it accordingly in sta_apply_parameters() 1248 */ 1249 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) { 1250 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); 1251 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); 1252 } else { 1253 sta->sta.tdls = true; 1254 } 1255 1256 err = sta_apply_parameters(local, sta, params); 1257 if (err) { 1258 sta_info_free(local, sta); 1259 return err; 1260 } 1261 1262 /* 1263 * for TDLS, rate control should be initialized only when 1264 * rates are known and station is marked authorized 1265 */ 1266 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) 1267 rate_control_rate_init(sta); 1268 1269 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 1270 sdata->vif.type == NL80211_IFTYPE_AP; 1271 1272 err = sta_info_insert_rcu(sta); 1273 if (err) { 1274 rcu_read_unlock(); 1275 return err; 1276 } 1277 1278 if (layer2_update) 1279 ieee80211_send_layer2_update(sta); 1280 1281 rcu_read_unlock(); 1282 1283 return 0; 1284} 1285 1286static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1287 struct station_del_parameters *params) 1288{ 1289 struct ieee80211_sub_if_data *sdata; 1290 1291 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1292 1293 if (params->mac) 1294 return sta_info_destroy_addr_bss(sdata, params->mac); 1295 1296 sta_info_flush(sdata); 1297 return 0; 1298} 1299 1300static int ieee80211_change_station(struct wiphy *wiphy, 1301 struct net_device *dev, const u8 *mac, 1302 struct station_parameters *params) 1303{ 1304 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1305 struct ieee80211_local *local = wiphy_priv(wiphy); 1306 struct sta_info *sta; 1307 struct ieee80211_sub_if_data *vlansdata; 1308 enum cfg80211_station_type statype; 1309 int err; 1310 1311 mutex_lock(&local->sta_mtx); 1312 1313 sta = sta_info_get_bss(sdata, mac); 1314 if (!sta) { 1315 err = -ENOENT; 1316 goto out_err; 1317 } 1318 1319 switch (sdata->vif.type) { 1320 case NL80211_IFTYPE_MESH_POINT: 1321 if (sdata->u.mesh.user_mpm) 1322 statype = CFG80211_STA_MESH_PEER_USER; 1323 else 1324 statype = CFG80211_STA_MESH_PEER_KERNEL; 1325 break; 1326 case NL80211_IFTYPE_ADHOC: 1327 statype = CFG80211_STA_IBSS; 1328 break; 1329 case NL80211_IFTYPE_STATION: 1330 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1331 statype = CFG80211_STA_AP_STA; 1332 break; 1333 } 1334 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1335 statype = CFG80211_STA_TDLS_PEER_ACTIVE; 1336 else 1337 statype = CFG80211_STA_TDLS_PEER_SETUP; 1338 break; 1339 case NL80211_IFTYPE_AP: 1340 case NL80211_IFTYPE_AP_VLAN: 1341 statype = CFG80211_STA_AP_CLIENT; 1342 break; 1343 default: 1344 err = -EOPNOTSUPP; 1345 goto out_err; 1346 } 1347 1348 err = cfg80211_check_station_change(wiphy, params, statype); 1349 if (err) 1350 goto out_err; 1351 1352 if (params->vlan && params->vlan != sta->sdata->dev) { 1353 bool prev_4addr = false; 1354 bool new_4addr = false; 1355 1356 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1357 1358 if (params->vlan->ieee80211_ptr->use_4addr) { 1359 if (vlansdata->u.vlan.sta) { 1360 err = -EBUSY; 1361 goto out_err; 1362 } 1363 1364 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1365 new_4addr = true; 1366 } 1367 1368 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1369 sta->sdata->u.vlan.sta) { 1370 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL); 1371 prev_4addr = true; 1372 } 1373 1374 sta->sdata = vlansdata; 1375 1376 if (sta->sta_state == IEEE80211_STA_AUTHORIZED && 1377 prev_4addr != new_4addr) { 1378 if (new_4addr) 1379 atomic_dec(&sta->sdata->bss->num_mcast_sta); 1380 else 1381 atomic_inc(&sta->sdata->bss->num_mcast_sta); 1382 } 1383 1384 ieee80211_send_layer2_update(sta); 1385 } 1386 1387 err = sta_apply_parameters(local, sta, params); 1388 if (err) 1389 goto out_err; 1390 1391 mutex_unlock(&local->sta_mtx); 1392 1393 if ((sdata->vif.type == NL80211_IFTYPE_AP || 1394 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && 1395 sta->known_smps_mode != sta->sdata->bss->req_smps && 1396 test_sta_flag(sta, WLAN_STA_AUTHORIZED) && 1397 sta_info_tx_streams(sta) != 1) { 1398 ht_dbg(sta->sdata, 1399 "%pM just authorized and MIMO capable - update SMPS\n", 1400 sta->sta.addr); 1401 ieee80211_send_smps_action(sta->sdata, 1402 sta->sdata->bss->req_smps, 1403 sta->sta.addr, 1404 sta->sdata->vif.bss_conf.bssid); 1405 } 1406 1407 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1408 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1409 ieee80211_recalc_ps(local, -1); 1410 ieee80211_recalc_ps_vif(sdata); 1411 } 1412 1413 return 0; 1414out_err: 1415 mutex_unlock(&local->sta_mtx); 1416 return err; 1417} 1418 1419#ifdef CONFIG_MAC80211_MESH 1420static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1421 const u8 *dst, const u8 *next_hop) 1422{ 1423 struct ieee80211_sub_if_data *sdata; 1424 struct mesh_path *mpath; 1425 struct sta_info *sta; 1426 1427 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1428 1429 rcu_read_lock(); 1430 sta = sta_info_get(sdata, next_hop); 1431 if (!sta) { 1432 rcu_read_unlock(); 1433 return -ENOENT; 1434 } 1435 1436 mpath = mesh_path_add(sdata, dst); 1437 if (IS_ERR(mpath)) { 1438 rcu_read_unlock(); 1439 return PTR_ERR(mpath); 1440 } 1441 1442 mesh_path_fix_nexthop(mpath, sta); 1443 1444 rcu_read_unlock(); 1445 return 0; 1446} 1447 1448static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1449 const u8 *dst) 1450{ 1451 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1452 1453 if (dst) 1454 return mesh_path_del(sdata, dst); 1455 1456 mesh_path_flush_by_iface(sdata); 1457 return 0; 1458} 1459 1460static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, 1461 const u8 *dst, const u8 *next_hop) 1462{ 1463 struct ieee80211_sub_if_data *sdata; 1464 struct mesh_path *mpath; 1465 struct sta_info *sta; 1466 1467 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1468 1469 rcu_read_lock(); 1470 1471 sta = sta_info_get(sdata, next_hop); 1472 if (!sta) { 1473 rcu_read_unlock(); 1474 return -ENOENT; 1475 } 1476 1477 mpath = mesh_path_lookup(sdata, dst); 1478 if (!mpath) { 1479 rcu_read_unlock(); 1480 return -ENOENT; 1481 } 1482 1483 mesh_path_fix_nexthop(mpath, sta); 1484 1485 rcu_read_unlock(); 1486 return 0; 1487} 1488 1489static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1490 struct mpath_info *pinfo) 1491{ 1492 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1493 1494 if (next_hop_sta) 1495 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1496 else 1497 eth_zero_addr(next_hop); 1498 1499 memset(pinfo, 0, sizeof(*pinfo)); 1500 1501 pinfo->generation = mesh_paths_generation; 1502 1503 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1504 MPATH_INFO_SN | 1505 MPATH_INFO_METRIC | 1506 MPATH_INFO_EXPTIME | 1507 MPATH_INFO_DISCOVERY_TIMEOUT | 1508 MPATH_INFO_DISCOVERY_RETRIES | 1509 MPATH_INFO_FLAGS; 1510 1511 pinfo->frame_qlen = mpath->frame_queue.qlen; 1512 pinfo->sn = mpath->sn; 1513 pinfo->metric = mpath->metric; 1514 if (time_before(jiffies, mpath->exp_time)) 1515 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1516 pinfo->discovery_timeout = 1517 jiffies_to_msecs(mpath->discovery_timeout); 1518 pinfo->discovery_retries = mpath->discovery_retries; 1519 if (mpath->flags & MESH_PATH_ACTIVE) 1520 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1521 if (mpath->flags & MESH_PATH_RESOLVING) 1522 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1523 if (mpath->flags & MESH_PATH_SN_VALID) 1524 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1525 if (mpath->flags & MESH_PATH_FIXED) 1526 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1527 if (mpath->flags & MESH_PATH_RESOLVED) 1528 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1529} 1530 1531static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1532 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1533 1534{ 1535 struct ieee80211_sub_if_data *sdata; 1536 struct mesh_path *mpath; 1537 1538 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1539 1540 rcu_read_lock(); 1541 mpath = mesh_path_lookup(sdata, dst); 1542 if (!mpath) { 1543 rcu_read_unlock(); 1544 return -ENOENT; 1545 } 1546 memcpy(dst, mpath->dst, ETH_ALEN); 1547 mpath_set_pinfo(mpath, next_hop, pinfo); 1548 rcu_read_unlock(); 1549 return 0; 1550} 1551 1552static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1553 int idx, u8 *dst, u8 *next_hop, 1554 struct mpath_info *pinfo) 1555{ 1556 struct ieee80211_sub_if_data *sdata; 1557 struct mesh_path *mpath; 1558 1559 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1560 1561 rcu_read_lock(); 1562 mpath = mesh_path_lookup_by_idx(sdata, idx); 1563 if (!mpath) { 1564 rcu_read_unlock(); 1565 return -ENOENT; 1566 } 1567 memcpy(dst, mpath->dst, ETH_ALEN); 1568 mpath_set_pinfo(mpath, next_hop, pinfo); 1569 rcu_read_unlock(); 1570 return 0; 1571} 1572 1573static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp, 1574 struct mpath_info *pinfo) 1575{ 1576 memset(pinfo, 0, sizeof(*pinfo)); 1577 memcpy(mpp, mpath->mpp, ETH_ALEN); 1578 1579 pinfo->generation = mpp_paths_generation; 1580} 1581 1582static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev, 1583 u8 *dst, u8 *mpp, struct mpath_info *pinfo) 1584 1585{ 1586 struct ieee80211_sub_if_data *sdata; 1587 struct mesh_path *mpath; 1588 1589 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1590 1591 rcu_read_lock(); 1592 mpath = mpp_path_lookup(sdata, dst); 1593 if (!mpath) { 1594 rcu_read_unlock(); 1595 return -ENOENT; 1596 } 1597 memcpy(dst, mpath->dst, ETH_ALEN); 1598 mpp_set_pinfo(mpath, mpp, pinfo); 1599 rcu_read_unlock(); 1600 return 0; 1601} 1602 1603static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev, 1604 int idx, u8 *dst, u8 *mpp, 1605 struct mpath_info *pinfo) 1606{ 1607 struct ieee80211_sub_if_data *sdata; 1608 struct mesh_path *mpath; 1609 1610 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1611 1612 rcu_read_lock(); 1613 mpath = mpp_path_lookup_by_idx(sdata, idx); 1614 if (!mpath) { 1615 rcu_read_unlock(); 1616 return -ENOENT; 1617 } 1618 memcpy(dst, mpath->dst, ETH_ALEN); 1619 mpp_set_pinfo(mpath, mpp, pinfo); 1620 rcu_read_unlock(); 1621 return 0; 1622} 1623 1624static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1625 struct net_device *dev, 1626 struct mesh_config *conf) 1627{ 1628 struct ieee80211_sub_if_data *sdata; 1629 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1630 1631 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1632 return 0; 1633} 1634 1635static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1636{ 1637 return (mask >> (parm-1)) & 0x1; 1638} 1639 1640static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1641 const struct mesh_setup *setup) 1642{ 1643 u8 *new_ie; 1644 const u8 *old_ie; 1645 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 1646 struct ieee80211_sub_if_data, u.mesh); 1647 1648 /* allocate information elements */ 1649 new_ie = NULL; 1650 old_ie = ifmsh->ie; 1651 1652 if (setup->ie_len) { 1653 new_ie = kmemdup(setup->ie, setup->ie_len, 1654 GFP_KERNEL); 1655 if (!new_ie) 1656 return -ENOMEM; 1657 } 1658 ifmsh->ie_len = setup->ie_len; 1659 ifmsh->ie = new_ie; 1660 kfree(old_ie); 1661 1662 /* now copy the rest of the setup parameters */ 1663 ifmsh->mesh_id_len = setup->mesh_id_len; 1664 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1665 ifmsh->mesh_sp_id = setup->sync_method; 1666 ifmsh->mesh_pp_id = setup->path_sel_proto; 1667 ifmsh->mesh_pm_id = setup->path_metric; 1668 ifmsh->user_mpm = setup->user_mpm; 1669 ifmsh->mesh_auth_id = setup->auth_id; 1670 ifmsh->security = IEEE80211_MESH_SEC_NONE; 1671 if (setup->is_authenticated) 1672 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 1673 if (setup->is_secure) 1674 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 1675 1676 /* mcast rate setting in Mesh Node */ 1677 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 1678 sizeof(setup->mcast_rate)); 1679 sdata->vif.bss_conf.basic_rates = setup->basic_rates; 1680 1681 sdata->vif.bss_conf.beacon_int = setup->beacon_interval; 1682 sdata->vif.bss_conf.dtim_period = setup->dtim_period; 1683 1684 return 0; 1685} 1686 1687static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1688 struct net_device *dev, u32 mask, 1689 const struct mesh_config *nconf) 1690{ 1691 struct mesh_config *conf; 1692 struct ieee80211_sub_if_data *sdata; 1693 struct ieee80211_if_mesh *ifmsh; 1694 1695 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1696 ifmsh = &sdata->u.mesh; 1697 1698 /* Set the config options which we are interested in setting */ 1699 conf = &(sdata->u.mesh.mshcfg); 1700 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1701 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1702 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1703 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1704 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1705 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1706 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1707 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1708 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1709 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1710 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1711 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1712 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1713 conf->element_ttl = nconf->element_ttl; 1714 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) { 1715 if (ifmsh->user_mpm) 1716 return -EBUSY; 1717 conf->auto_open_plinks = nconf->auto_open_plinks; 1718 } 1719 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 1720 conf->dot11MeshNbrOffsetMaxNeighbor = 1721 nconf->dot11MeshNbrOffsetMaxNeighbor; 1722 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1723 conf->dot11MeshHWMPmaxPREQretries = 1724 nconf->dot11MeshHWMPmaxPREQretries; 1725 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1726 conf->path_refresh_time = nconf->path_refresh_time; 1727 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1728 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1729 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1730 conf->dot11MeshHWMPactivePathTimeout = 1731 nconf->dot11MeshHWMPactivePathTimeout; 1732 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1733 conf->dot11MeshHWMPpreqMinInterval = 1734 nconf->dot11MeshHWMPpreqMinInterval; 1735 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 1736 conf->dot11MeshHWMPperrMinInterval = 1737 nconf->dot11MeshHWMPperrMinInterval; 1738 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1739 mask)) 1740 conf->dot11MeshHWMPnetDiameterTraversalTime = 1741 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1742 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1743 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1744 ieee80211_mesh_root_setup(ifmsh); 1745 } 1746 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 1747 /* our current gate announcement implementation rides on root 1748 * announcements, so require this ifmsh to also be a root node 1749 * */ 1750 if (nconf->dot11MeshGateAnnouncementProtocol && 1751 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 1752 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 1753 ieee80211_mesh_root_setup(ifmsh); 1754 } 1755 conf->dot11MeshGateAnnouncementProtocol = 1756 nconf->dot11MeshGateAnnouncementProtocol; 1757 } 1758 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 1759 conf->dot11MeshHWMPRannInterval = 1760 nconf->dot11MeshHWMPRannInterval; 1761 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 1762 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 1763 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 1764 /* our RSSI threshold implementation is supported only for 1765 * devices that report signal in dBm. 1766 */ 1767 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) 1768 return -ENOTSUPP; 1769 conf->rssi_threshold = nconf->rssi_threshold; 1770 } 1771 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 1772 conf->ht_opmode = nconf->ht_opmode; 1773 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 1774 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1775 } 1776 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 1777 conf->dot11MeshHWMPactivePathToRootTimeout = 1778 nconf->dot11MeshHWMPactivePathToRootTimeout; 1779 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 1780 conf->dot11MeshHWMProotInterval = 1781 nconf->dot11MeshHWMProotInterval; 1782 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 1783 conf->dot11MeshHWMPconfirmationInterval = 1784 nconf->dot11MeshHWMPconfirmationInterval; 1785 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) { 1786 conf->power_mode = nconf->power_mode; 1787 ieee80211_mps_local_status_update(sdata); 1788 } 1789 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask)) 1790 conf->dot11MeshAwakeWindowDuration = 1791 nconf->dot11MeshAwakeWindowDuration; 1792 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask)) 1793 conf->plink_timeout = nconf->plink_timeout; 1794 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON); 1795 return 0; 1796} 1797 1798static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1799 const struct mesh_config *conf, 1800 const struct mesh_setup *setup) 1801{ 1802 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1803 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1804 int err; 1805 1806 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1807 err = copy_mesh_setup(ifmsh, setup); 1808 if (err) 1809 return err; 1810 1811 /* can mesh use other SMPS modes? */ 1812 sdata->smps_mode = IEEE80211_SMPS_OFF; 1813 sdata->needed_rx_chains = sdata->local->rx_chains; 1814 1815 mutex_lock(&sdata->local->mtx); 1816 err = ieee80211_vif_use_channel(sdata, &setup->chandef, 1817 IEEE80211_CHANCTX_SHARED); 1818 mutex_unlock(&sdata->local->mtx); 1819 if (err) 1820 return err; 1821 1822 return ieee80211_start_mesh(sdata); 1823} 1824 1825static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 1826{ 1827 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1828 1829 ieee80211_stop_mesh(sdata); 1830 mutex_lock(&sdata->local->mtx); 1831 ieee80211_vif_release_channel(sdata); 1832 mutex_unlock(&sdata->local->mtx); 1833 1834 return 0; 1835} 1836#endif 1837 1838static int ieee80211_change_bss(struct wiphy *wiphy, 1839 struct net_device *dev, 1840 struct bss_parameters *params) 1841{ 1842 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1843 enum ieee80211_band band; 1844 u32 changed = 0; 1845 1846 if (!sdata_dereference(sdata->u.ap.beacon, sdata)) 1847 return -ENOENT; 1848 1849 band = ieee80211_get_sdata_band(sdata); 1850 1851 if (params->use_cts_prot >= 0) { 1852 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 1853 changed |= BSS_CHANGED_ERP_CTS_PROT; 1854 } 1855 if (params->use_short_preamble >= 0) { 1856 sdata->vif.bss_conf.use_short_preamble = 1857 params->use_short_preamble; 1858 changed |= BSS_CHANGED_ERP_PREAMBLE; 1859 } 1860 1861 if (!sdata->vif.bss_conf.use_short_slot && 1862 band == IEEE80211_BAND_5GHZ) { 1863 sdata->vif.bss_conf.use_short_slot = true; 1864 changed |= BSS_CHANGED_ERP_SLOT; 1865 } 1866 1867 if (params->use_short_slot_time >= 0) { 1868 sdata->vif.bss_conf.use_short_slot = 1869 params->use_short_slot_time; 1870 changed |= BSS_CHANGED_ERP_SLOT; 1871 } 1872 1873 if (params->basic_rates) { 1874 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef, 1875 wiphy->bands[band], 1876 params->basic_rates, 1877 params->basic_rates_len, 1878 &sdata->vif.bss_conf.basic_rates); 1879 changed |= BSS_CHANGED_BASIC_RATES; 1880 } 1881 1882 if (params->ap_isolate >= 0) { 1883 if (params->ap_isolate) 1884 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1885 else 1886 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1887 } 1888 1889 if (params->ht_opmode >= 0) { 1890 sdata->vif.bss_conf.ht_operation_mode = 1891 (u16) params->ht_opmode; 1892 changed |= BSS_CHANGED_HT; 1893 } 1894 1895 if (params->p2p_ctwindow >= 0) { 1896 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 1897 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1898 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 1899 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK; 1900 changed |= BSS_CHANGED_P2P_PS; 1901 } 1902 1903 if (params->p2p_opp_ps > 0) { 1904 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |= 1905 IEEE80211_P2P_OPPPS_ENABLE_BIT; 1906 changed |= BSS_CHANGED_P2P_PS; 1907 } else if (params->p2p_opp_ps == 0) { 1908 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &= 1909 ~IEEE80211_P2P_OPPPS_ENABLE_BIT; 1910 changed |= BSS_CHANGED_P2P_PS; 1911 } 1912 1913 ieee80211_bss_info_change_notify(sdata, changed); 1914 1915 return 0; 1916} 1917 1918static int ieee80211_set_txq_params(struct wiphy *wiphy, 1919 struct net_device *dev, 1920 struct ieee80211_txq_params *params) 1921{ 1922 struct ieee80211_local *local = wiphy_priv(wiphy); 1923 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1924 struct ieee80211_tx_queue_params p; 1925 1926 if (!local->ops->conf_tx) 1927 return -EOPNOTSUPP; 1928 1929 if (local->hw.queues < IEEE80211_NUM_ACS) 1930 return -EOPNOTSUPP; 1931 1932 memset(&p, 0, sizeof(p)); 1933 p.aifs = params->aifs; 1934 p.cw_max = params->cwmax; 1935 p.cw_min = params->cwmin; 1936 p.txop = params->txop; 1937 1938 /* 1939 * Setting tx queue params disables u-apsd because it's only 1940 * called in master mode. 1941 */ 1942 p.uapsd = false; 1943 1944 sdata->tx_conf[params->ac] = p; 1945 if (drv_conf_tx(local, sdata, params->ac, &p)) { 1946 wiphy_debug(local->hw.wiphy, 1947 "failed to set TX queue parameters for AC %d\n", 1948 params->ac); 1949 return -EINVAL; 1950 } 1951 1952 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 1953 1954 return 0; 1955} 1956 1957#ifdef CONFIG_PM 1958static int ieee80211_suspend(struct wiphy *wiphy, 1959 struct cfg80211_wowlan *wowlan) 1960{ 1961 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 1962} 1963 1964static int ieee80211_resume(struct wiphy *wiphy) 1965{ 1966 return __ieee80211_resume(wiphy_priv(wiphy)); 1967} 1968#else 1969#define ieee80211_suspend NULL 1970#define ieee80211_resume NULL 1971#endif 1972 1973static int ieee80211_scan(struct wiphy *wiphy, 1974 struct cfg80211_scan_request *req) 1975{ 1976 struct ieee80211_sub_if_data *sdata; 1977 1978 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 1979 1980 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 1981 case NL80211_IFTYPE_STATION: 1982 case NL80211_IFTYPE_ADHOC: 1983 case NL80211_IFTYPE_MESH_POINT: 1984 case NL80211_IFTYPE_P2P_CLIENT: 1985 case NL80211_IFTYPE_P2P_DEVICE: 1986 break; 1987 case NL80211_IFTYPE_P2P_GO: 1988 if (sdata->local->ops->hw_scan) 1989 break; 1990 /* 1991 * FIXME: implement NoA while scanning in software, 1992 * for now fall through to allow scanning only when 1993 * beaconing hasn't been configured yet 1994 */ 1995 case NL80211_IFTYPE_AP: 1996 /* 1997 * If the scan has been forced (and the driver supports 1998 * forcing), don't care about being beaconing already. 1999 * This will create problems to the attached stations (e.g. all 2000 * the frames sent while scanning on other channel will be 2001 * lost) 2002 */ 2003 if (sdata->u.ap.beacon && 2004 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) || 2005 !(req->flags & NL80211_SCAN_FLAG_AP))) 2006 return -EOPNOTSUPP; 2007 break; 2008 default: 2009 return -EOPNOTSUPP; 2010 } 2011 2012 return ieee80211_request_scan(sdata, req); 2013} 2014 2015static int 2016ieee80211_sched_scan_start(struct wiphy *wiphy, 2017 struct net_device *dev, 2018 struct cfg80211_sched_scan_request *req) 2019{ 2020 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2021 2022 if (!sdata->local->ops->sched_scan_start) 2023 return -EOPNOTSUPP; 2024 2025 return ieee80211_request_sched_scan_start(sdata, req); 2026} 2027 2028static int 2029ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) 2030{ 2031 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2032 2033 if (!sdata->local->ops->sched_scan_stop) 2034 return -EOPNOTSUPP; 2035 2036 return ieee80211_request_sched_scan_stop(sdata); 2037} 2038 2039static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 2040 struct cfg80211_auth_request *req) 2041{ 2042 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2043} 2044 2045static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 2046 struct cfg80211_assoc_request *req) 2047{ 2048 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2049} 2050 2051static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 2052 struct cfg80211_deauth_request *req) 2053{ 2054 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 2055} 2056 2057static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 2058 struct cfg80211_disassoc_request *req) 2059{ 2060 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 2061} 2062 2063static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2064 struct cfg80211_ibss_params *params) 2065{ 2066 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params); 2067} 2068 2069static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2070{ 2071 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2072} 2073 2074static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev, 2075 struct ocb_setup *setup) 2076{ 2077 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup); 2078} 2079 2080static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev) 2081{ 2082 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev)); 2083} 2084 2085static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev, 2086 int rate[IEEE80211_NUM_BANDS]) 2087{ 2088 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2089 2090 memcpy(sdata->vif.bss_conf.mcast_rate, rate, 2091 sizeof(int) * IEEE80211_NUM_BANDS); 2092 2093 return 0; 2094} 2095 2096static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 2097{ 2098 struct ieee80211_local *local = wiphy_priv(wiphy); 2099 int err; 2100 2101 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 2102 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 2103 2104 if (err) 2105 return err; 2106 } 2107 2108 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) || 2109 (changed & WIPHY_PARAM_DYN_ACK)) { 2110 s16 coverage_class; 2111 2112 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ? 2113 wiphy->coverage_class : -1; 2114 err = drv_set_coverage_class(local, coverage_class); 2115 2116 if (err) 2117 return err; 2118 } 2119 2120 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 2121 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 2122 2123 if (err) 2124 return err; 2125 } 2126 2127 if (changed & WIPHY_PARAM_RETRY_SHORT) { 2128 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY) 2129 return -EINVAL; 2130 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 2131 } 2132 if (changed & WIPHY_PARAM_RETRY_LONG) { 2133 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY) 2134 return -EINVAL; 2135 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 2136 } 2137 if (changed & 2138 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 2139 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 2140 2141 return 0; 2142} 2143 2144static int ieee80211_set_tx_power(struct wiphy *wiphy, 2145 struct wireless_dev *wdev, 2146 enum nl80211_tx_power_setting type, int mbm) 2147{ 2148 struct ieee80211_local *local = wiphy_priv(wiphy); 2149 struct ieee80211_sub_if_data *sdata; 2150 enum nl80211_tx_power_setting txp_type = type; 2151 bool update_txp_type = false; 2152 2153 if (wdev) { 2154 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2155 2156 switch (type) { 2157 case NL80211_TX_POWER_AUTOMATIC: 2158 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2159 txp_type = NL80211_TX_POWER_LIMITED; 2160 break; 2161 case NL80211_TX_POWER_LIMITED: 2162 case NL80211_TX_POWER_FIXED: 2163 if (mbm < 0 || (mbm % 100)) 2164 return -EOPNOTSUPP; 2165 sdata->user_power_level = MBM_TO_DBM(mbm); 2166 break; 2167 } 2168 2169 if (txp_type != sdata->vif.bss_conf.txpower_type) { 2170 update_txp_type = true; 2171 sdata->vif.bss_conf.txpower_type = txp_type; 2172 } 2173 2174 ieee80211_recalc_txpower(sdata, update_txp_type); 2175 2176 return 0; 2177 } 2178 2179 switch (type) { 2180 case NL80211_TX_POWER_AUTOMATIC: 2181 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL; 2182 txp_type = NL80211_TX_POWER_LIMITED; 2183 break; 2184 case NL80211_TX_POWER_LIMITED: 2185 case NL80211_TX_POWER_FIXED: 2186 if (mbm < 0 || (mbm % 100)) 2187 return -EOPNOTSUPP; 2188 local->user_power_level = MBM_TO_DBM(mbm); 2189 break; 2190 } 2191 2192 mutex_lock(&local->iflist_mtx); 2193 list_for_each_entry(sdata, &local->interfaces, list) { 2194 sdata->user_power_level = local->user_power_level; 2195 if (txp_type != sdata->vif.bss_conf.txpower_type) 2196 update_txp_type = true; 2197 sdata->vif.bss_conf.txpower_type = txp_type; 2198 } 2199 list_for_each_entry(sdata, &local->interfaces, list) 2200 ieee80211_recalc_txpower(sdata, update_txp_type); 2201 mutex_unlock(&local->iflist_mtx); 2202 2203 return 0; 2204} 2205 2206static int ieee80211_get_tx_power(struct wiphy *wiphy, 2207 struct wireless_dev *wdev, 2208 int *dbm) 2209{ 2210 struct ieee80211_local *local = wiphy_priv(wiphy); 2211 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2212 2213 if (local->ops->get_txpower) 2214 return drv_get_txpower(local, sdata, dbm); 2215 2216 if (!local->use_chanctx) 2217 *dbm = local->hw.conf.power_level; 2218 else 2219 *dbm = sdata->vif.bss_conf.txpower; 2220 2221 return 0; 2222} 2223 2224static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 2225 const u8 *addr) 2226{ 2227 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2228 2229 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 2230 2231 return 0; 2232} 2233 2234static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2235{ 2236 struct ieee80211_local *local = wiphy_priv(wiphy); 2237 2238 drv_rfkill_poll(local); 2239} 2240 2241#ifdef CONFIG_NL80211_TESTMODE 2242static int ieee80211_testmode_cmd(struct wiphy *wiphy, 2243 struct wireless_dev *wdev, 2244 void *data, int len) 2245{ 2246 struct ieee80211_local *local = wiphy_priv(wiphy); 2247 struct ieee80211_vif *vif = NULL; 2248 2249 if (!local->ops->testmode_cmd) 2250 return -EOPNOTSUPP; 2251 2252 if (wdev) { 2253 struct ieee80211_sub_if_data *sdata; 2254 2255 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2256 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) 2257 vif = &sdata->vif; 2258 } 2259 2260 return local->ops->testmode_cmd(&local->hw, vif, data, len); 2261} 2262 2263static int ieee80211_testmode_dump(struct wiphy *wiphy, 2264 struct sk_buff *skb, 2265 struct netlink_callback *cb, 2266 void *data, int len) 2267{ 2268 struct ieee80211_local *local = wiphy_priv(wiphy); 2269 2270 if (!local->ops->testmode_dump) 2271 return -EOPNOTSUPP; 2272 2273 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2274} 2275#endif 2276 2277int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata, 2278 enum ieee80211_smps_mode smps_mode) 2279{ 2280 struct sta_info *sta; 2281 enum ieee80211_smps_mode old_req; 2282 2283 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP)) 2284 return -EINVAL; 2285 2286 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2287 return 0; 2288 2289 old_req = sdata->u.ap.req_smps; 2290 sdata->u.ap.req_smps = smps_mode; 2291 2292 /* AUTOMATIC doesn't mean much for AP - don't allow it */ 2293 if (old_req == smps_mode || 2294 smps_mode == IEEE80211_SMPS_AUTOMATIC) 2295 return 0; 2296 2297 /* If no associated stations, there's no need to do anything */ 2298 if (!atomic_read(&sdata->u.ap.num_mcast_sta)) { 2299 sdata->smps_mode = smps_mode; 2300 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); 2301 return 0; 2302 } 2303 2304 ht_dbg(sdata, 2305 "SMPS %d requested in AP mode, sending Action frame to %d stations\n", 2306 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta)); 2307 2308 mutex_lock(&sdata->local->sta_mtx); 2309 list_for_each_entry(sta, &sdata->local->sta_list, list) { 2310 /* 2311 * Only stations associated to our AP and 2312 * associated VLANs 2313 */ 2314 if (sta->sdata->bss != &sdata->u.ap) 2315 continue; 2316 2317 /* This station doesn't support MIMO - skip it */ 2318 if (sta_info_tx_streams(sta) == 1) 2319 continue; 2320 2321 /* 2322 * Don't wake up a STA just to send the action frame 2323 * unless we are getting more restrictive. 2324 */ 2325 if (test_sta_flag(sta, WLAN_STA_PS_STA) && 2326 !ieee80211_smps_is_restrictive(sta->known_smps_mode, 2327 smps_mode)) { 2328 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n", 2329 sta->sta.addr); 2330 continue; 2331 } 2332 2333 /* 2334 * If the STA is not authorized, wait until it gets 2335 * authorized and the action frame will be sent then. 2336 */ 2337 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 2338 continue; 2339 2340 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr); 2341 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr, 2342 sdata->vif.bss_conf.bssid); 2343 } 2344 mutex_unlock(&sdata->local->sta_mtx); 2345 2346 sdata->smps_mode = smps_mode; 2347 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps); 2348 2349 return 0; 2350} 2351 2352int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata, 2353 enum ieee80211_smps_mode smps_mode) 2354{ 2355 const u8 *ap; 2356 enum ieee80211_smps_mode old_req; 2357 int err; 2358 2359 lockdep_assert_held(&sdata->wdev.mtx); 2360 2361 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION)) 2362 return -EINVAL; 2363 2364 old_req = sdata->u.mgd.req_smps; 2365 sdata->u.mgd.req_smps = smps_mode; 2366 2367 if (old_req == smps_mode && 2368 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2369 return 0; 2370 2371 /* 2372 * If not associated, or current association is not an HT 2373 * association, there's no need to do anything, just store 2374 * the new value until we associate. 2375 */ 2376 if (!sdata->u.mgd.associated || 2377 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) 2378 return 0; 2379 2380 ap = sdata->u.mgd.associated->bssid; 2381 2382 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2383 if (sdata->u.mgd.powersave) 2384 smps_mode = IEEE80211_SMPS_DYNAMIC; 2385 else 2386 smps_mode = IEEE80211_SMPS_OFF; 2387 } 2388 2389 /* send SM PS frame to AP */ 2390 err = ieee80211_send_smps_action(sdata, smps_mode, 2391 ap, ap); 2392 if (err) 2393 sdata->u.mgd.req_smps = old_req; 2394 2395 return err; 2396} 2397 2398static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2399 bool enabled, int timeout) 2400{ 2401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2403 2404 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2405 return -EOPNOTSUPP; 2406 2407 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) 2408 return -EOPNOTSUPP; 2409 2410 if (enabled == sdata->u.mgd.powersave && 2411 timeout == local->dynamic_ps_forced_timeout) 2412 return 0; 2413 2414 sdata->u.mgd.powersave = enabled; 2415 local->dynamic_ps_forced_timeout = timeout; 2416 2417 /* no change, but if automatic follow powersave */ 2418 sdata_lock(sdata); 2419 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps); 2420 sdata_unlock(sdata); 2421 2422 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) 2423 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2424 2425 ieee80211_recalc_ps(local, -1); 2426 ieee80211_recalc_ps_vif(sdata); 2427 2428 return 0; 2429} 2430 2431static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2432 struct net_device *dev, 2433 s32 rssi_thold, u32 rssi_hyst) 2434{ 2435 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2436 struct ieee80211_vif *vif = &sdata->vif; 2437 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2438 2439 if (rssi_thold == bss_conf->cqm_rssi_thold && 2440 rssi_hyst == bss_conf->cqm_rssi_hyst) 2441 return 0; 2442 2443 bss_conf->cqm_rssi_thold = rssi_thold; 2444 bss_conf->cqm_rssi_hyst = rssi_hyst; 2445 2446 /* tell the driver upon association, unless already associated */ 2447 if (sdata->u.mgd.associated && 2448 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2449 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2450 2451 return 0; 2452} 2453 2454static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2455 struct net_device *dev, 2456 const u8 *addr, 2457 const struct cfg80211_bitrate_mask *mask) 2458{ 2459 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2460 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2461 int i, ret; 2462 2463 if (!ieee80211_sdata_running(sdata)) 2464 return -ENETDOWN; 2465 2466 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { 2467 ret = drv_set_bitrate_mask(local, sdata, mask); 2468 if (ret) 2469 return ret; 2470 } 2471 2472 for (i = 0; i < IEEE80211_NUM_BANDS; i++) { 2473 struct ieee80211_supported_band *sband = wiphy->bands[i]; 2474 int j; 2475 2476 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2477 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs, 2478 sizeof(mask->control[i].ht_mcs)); 2479 2480 sdata->rc_has_mcs_mask[i] = false; 2481 if (!sband) 2482 continue; 2483 2484 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) 2485 if (~sdata->rc_rateidx_mcs_mask[i][j]) { 2486 sdata->rc_has_mcs_mask[i] = true; 2487 break; 2488 } 2489 } 2490 2491 return 0; 2492} 2493 2494static bool ieee80211_coalesce_started_roc(struct ieee80211_local *local, 2495 struct ieee80211_roc_work *new_roc, 2496 struct ieee80211_roc_work *cur_roc) 2497{ 2498 unsigned long now = jiffies; 2499 unsigned long remaining = cur_roc->hw_start_time + 2500 msecs_to_jiffies(cur_roc->duration) - 2501 now; 2502 2503 if (WARN_ON(!cur_roc->started || !cur_roc->hw_begun)) 2504 return false; 2505 2506 /* if it doesn't fit entirely, schedule a new one */ 2507 if (new_roc->duration > jiffies_to_msecs(remaining)) 2508 return false; 2509 2510 ieee80211_handle_roc_started(new_roc); 2511 2512 /* add to dependents so we send the expired event properly */ 2513 list_add_tail(&new_roc->list, &cur_roc->dependents); 2514 return true; 2515} 2516 2517static int ieee80211_start_roc_work(struct ieee80211_local *local, 2518 struct ieee80211_sub_if_data *sdata, 2519 struct ieee80211_channel *channel, 2520 unsigned int duration, u64 *cookie, 2521 struct sk_buff *txskb, 2522 enum ieee80211_roc_type type) 2523{ 2524 struct ieee80211_roc_work *roc, *tmp; 2525 bool queued = false; 2526 int ret; 2527 2528 lockdep_assert_held(&local->mtx); 2529 2530 if (local->use_chanctx && !local->ops->remain_on_channel) 2531 return -EOPNOTSUPP; 2532 2533 roc = kzalloc(sizeof(*roc), GFP_KERNEL); 2534 if (!roc) 2535 return -ENOMEM; 2536 2537 /* 2538 * If the duration is zero, then the driver 2539 * wouldn't actually do anything. Set it to 2540 * 10 for now. 2541 * 2542 * TODO: cancel the off-channel operation 2543 * when we get the SKB's TX status and 2544 * the wait time was zero before. 2545 */ 2546 if (!duration) 2547 duration = 10; 2548 2549 roc->chan = channel; 2550 roc->duration = duration; 2551 roc->req_duration = duration; 2552 roc->frame = txskb; 2553 roc->type = type; 2554 roc->mgmt_tx_cookie = (unsigned long)txskb; 2555 roc->sdata = sdata; 2556 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); 2557 INIT_LIST_HEAD(&roc->dependents); 2558 2559 /* 2560 * cookie is either the roc cookie (for normal roc) 2561 * or the SKB (for mgmt TX) 2562 */ 2563 if (!txskb) { 2564 /* local->mtx protects this */ 2565 local->roc_cookie_counter++; 2566 roc->cookie = local->roc_cookie_counter; 2567 /* wow, you wrapped 64 bits ... more likely a bug */ 2568 if (WARN_ON(roc->cookie == 0)) { 2569 roc->cookie = 1; 2570 local->roc_cookie_counter++; 2571 } 2572 *cookie = roc->cookie; 2573 } else { 2574 *cookie = (unsigned long)txskb; 2575 } 2576 2577 /* if there's one pending or we're scanning, queue this one */ 2578 if (!list_empty(&local->roc_list) || 2579 local->scanning || ieee80211_is_radar_required(local)) 2580 goto out_check_combine; 2581 2582 /* if not HW assist, just queue & schedule work */ 2583 if (!local->ops->remain_on_channel) { 2584 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); 2585 goto out_queue; 2586 } 2587 2588 /* otherwise actually kick it off here (for error handling) */ 2589 2590 ret = drv_remain_on_channel(local, sdata, channel, duration, type); 2591 if (ret) { 2592 kfree(roc); 2593 return ret; 2594 } 2595 2596 roc->started = true; 2597 goto out_queue; 2598 2599 out_check_combine: 2600 list_for_each_entry(tmp, &local->roc_list, list) { 2601 if (tmp->chan != channel || tmp->sdata != sdata) 2602 continue; 2603 2604 /* 2605 * Extend this ROC if possible: 2606 * 2607 * If it hasn't started yet, just increase the duration 2608 * and add the new one to the list of dependents. 2609 * If the type of the new ROC has higher priority, modify the 2610 * type of the previous one to match that of the new one. 2611 */ 2612 if (!tmp->started) { 2613 list_add_tail(&roc->list, &tmp->dependents); 2614 tmp->duration = max(tmp->duration, roc->duration); 2615 tmp->type = max(tmp->type, roc->type); 2616 queued = true; 2617 break; 2618 } 2619 2620 /* If it has already started, it's more difficult ... */ 2621 if (local->ops->remain_on_channel) { 2622 /* 2623 * In the offloaded ROC case, if it hasn't begun, add 2624 * this new one to the dependent list to be handled 2625 * when the master one begins. If it has begun, 2626 * check if it fits entirely within the existing one, 2627 * in which case it will just be dependent as well. 2628 * Otherwise, schedule it by itself. 2629 */ 2630 if (!tmp->hw_begun) { 2631 list_add_tail(&roc->list, &tmp->dependents); 2632 queued = true; 2633 break; 2634 } 2635 2636 if (ieee80211_coalesce_started_roc(local, roc, tmp)) 2637 queued = true; 2638 } else if (del_timer_sync(&tmp->work.timer)) { 2639 unsigned long new_end; 2640 2641 /* 2642 * In the software ROC case, cancel the timer, if 2643 * that fails then the finish work is already 2644 * queued/pending and thus we queue the new ROC 2645 * normally, if that succeeds then we can extend 2646 * the timer duration and TX the frame (if any.) 2647 */ 2648 2649 list_add_tail(&roc->list, &tmp->dependents); 2650 queued = true; 2651 2652 new_end = jiffies + msecs_to_jiffies(roc->duration); 2653 2654 /* ok, it was started & we canceled timer */ 2655 if (time_after(new_end, tmp->work.timer.expires)) 2656 mod_timer(&tmp->work.timer, new_end); 2657 else 2658 add_timer(&tmp->work.timer); 2659 2660 ieee80211_handle_roc_started(roc); 2661 } 2662 break; 2663 } 2664 2665 out_queue: 2666 if (!queued) 2667 list_add_tail(&roc->list, &local->roc_list); 2668 2669 return 0; 2670} 2671 2672static int ieee80211_remain_on_channel(struct wiphy *wiphy, 2673 struct wireless_dev *wdev, 2674 struct ieee80211_channel *chan, 2675 unsigned int duration, 2676 u64 *cookie) 2677{ 2678 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2679 struct ieee80211_local *local = sdata->local; 2680 int ret; 2681 2682 mutex_lock(&local->mtx); 2683 ret = ieee80211_start_roc_work(local, sdata, chan, 2684 duration, cookie, NULL, 2685 IEEE80211_ROC_TYPE_NORMAL); 2686 mutex_unlock(&local->mtx); 2687 2688 return ret; 2689} 2690 2691static int ieee80211_cancel_roc(struct ieee80211_local *local, 2692 u64 cookie, bool mgmt_tx) 2693{ 2694 struct ieee80211_roc_work *roc, *tmp, *found = NULL; 2695 int ret; 2696 2697 mutex_lock(&local->mtx); 2698 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { 2699 struct ieee80211_roc_work *dep, *tmp2; 2700 2701 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { 2702 if (!mgmt_tx && dep->cookie != cookie) 2703 continue; 2704 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) 2705 continue; 2706 /* found dependent item -- just remove it */ 2707 list_del(&dep->list); 2708 mutex_unlock(&local->mtx); 2709 2710 ieee80211_roc_notify_destroy(dep, true); 2711 return 0; 2712 } 2713 2714 if (!mgmt_tx && roc->cookie != cookie) 2715 continue; 2716 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) 2717 continue; 2718 2719 found = roc; 2720 break; 2721 } 2722 2723 if (!found) { 2724 mutex_unlock(&local->mtx); 2725 return -ENOENT; 2726 } 2727 2728 /* 2729 * We found the item to cancel, so do that. Note that it 2730 * may have dependents, which we also cancel (and send 2731 * the expired signal for.) Not doing so would be quite 2732 * tricky here, but we may need to fix it later. 2733 */ 2734 2735 if (local->ops->remain_on_channel) { 2736 if (found->started) { 2737 ret = drv_cancel_remain_on_channel(local); 2738 if (WARN_ON_ONCE(ret)) { 2739 mutex_unlock(&local->mtx); 2740 return ret; 2741 } 2742 } 2743 2744 list_del(&found->list); 2745 2746 if (found->started) 2747 ieee80211_start_next_roc(local); 2748 mutex_unlock(&local->mtx); 2749 2750 ieee80211_roc_notify_destroy(found, true); 2751 } else { 2752 /* work may be pending so use it all the time */ 2753 found->abort = true; 2754 ieee80211_queue_delayed_work(&local->hw, &found->work, 0); 2755 2756 mutex_unlock(&local->mtx); 2757 2758 /* work will clean up etc */ 2759 flush_delayed_work(&found->work); 2760 WARN_ON(!found->to_be_freed); 2761 kfree(found); 2762 } 2763 2764 return 0; 2765} 2766 2767static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 2768 struct wireless_dev *wdev, 2769 u64 cookie) 2770{ 2771 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2772 struct ieee80211_local *local = sdata->local; 2773 2774 return ieee80211_cancel_roc(local, cookie, false); 2775} 2776 2777static int ieee80211_start_radar_detection(struct wiphy *wiphy, 2778 struct net_device *dev, 2779 struct cfg80211_chan_def *chandef, 2780 u32 cac_time_ms) 2781{ 2782 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2783 struct ieee80211_local *local = sdata->local; 2784 int err; 2785 2786 mutex_lock(&local->mtx); 2787 if (!list_empty(&local->roc_list) || local->scanning) { 2788 err = -EBUSY; 2789 goto out_unlock; 2790 } 2791 2792 /* whatever, but channel contexts should not complain about that one */ 2793 sdata->smps_mode = IEEE80211_SMPS_OFF; 2794 sdata->needed_rx_chains = local->rx_chains; 2795 2796 err = ieee80211_vif_use_channel(sdata, chandef, 2797 IEEE80211_CHANCTX_SHARED); 2798 if (err) 2799 goto out_unlock; 2800 2801 ieee80211_queue_delayed_work(&sdata->local->hw, 2802 &sdata->dfs_cac_timer_work, 2803 msecs_to_jiffies(cac_time_ms)); 2804 2805 out_unlock: 2806 mutex_unlock(&local->mtx); 2807 return err; 2808} 2809 2810static struct cfg80211_beacon_data * 2811cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 2812{ 2813 struct cfg80211_beacon_data *new_beacon; 2814 u8 *pos; 2815 int len; 2816 2817 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len + 2818 beacon->proberesp_ies_len + beacon->assocresp_ies_len + 2819 beacon->probe_resp_len; 2820 2821 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL); 2822 if (!new_beacon) 2823 return NULL; 2824 2825 pos = (u8 *)(new_beacon + 1); 2826 if (beacon->head_len) { 2827 new_beacon->head_len = beacon->head_len; 2828 new_beacon->head = pos; 2829 memcpy(pos, beacon->head, beacon->head_len); 2830 pos += beacon->head_len; 2831 } 2832 if (beacon->tail_len) { 2833 new_beacon->tail_len = beacon->tail_len; 2834 new_beacon->tail = pos; 2835 memcpy(pos, beacon->tail, beacon->tail_len); 2836 pos += beacon->tail_len; 2837 } 2838 if (beacon->beacon_ies_len) { 2839 new_beacon->beacon_ies_len = beacon->beacon_ies_len; 2840 new_beacon->beacon_ies = pos; 2841 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len); 2842 pos += beacon->beacon_ies_len; 2843 } 2844 if (beacon->proberesp_ies_len) { 2845 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len; 2846 new_beacon->proberesp_ies = pos; 2847 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len); 2848 pos += beacon->proberesp_ies_len; 2849 } 2850 if (beacon->assocresp_ies_len) { 2851 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len; 2852 new_beacon->assocresp_ies = pos; 2853 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len); 2854 pos += beacon->assocresp_ies_len; 2855 } 2856 if (beacon->probe_resp_len) { 2857 new_beacon->probe_resp_len = beacon->probe_resp_len; 2858 beacon->probe_resp = pos; 2859 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len); 2860 pos += beacon->probe_resp_len; 2861 } 2862 2863 return new_beacon; 2864} 2865 2866void ieee80211_csa_finish(struct ieee80211_vif *vif) 2867{ 2868 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); 2869 2870 ieee80211_queue_work(&sdata->local->hw, 2871 &sdata->csa_finalize_work); 2872} 2873EXPORT_SYMBOL(ieee80211_csa_finish); 2874 2875static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata, 2876 u32 *changed) 2877{ 2878 int err; 2879 2880 switch (sdata->vif.type) { 2881 case NL80211_IFTYPE_AP: 2882 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon, 2883 NULL); 2884 kfree(sdata->u.ap.next_beacon); 2885 sdata->u.ap.next_beacon = NULL; 2886 2887 if (err < 0) 2888 return err; 2889 *changed |= err; 2890 break; 2891 case NL80211_IFTYPE_ADHOC: 2892 err = ieee80211_ibss_finish_csa(sdata); 2893 if (err < 0) 2894 return err; 2895 *changed |= err; 2896 break; 2897#ifdef CONFIG_MAC80211_MESH 2898 case NL80211_IFTYPE_MESH_POINT: 2899 err = ieee80211_mesh_finish_csa(sdata); 2900 if (err < 0) 2901 return err; 2902 *changed |= err; 2903 break; 2904#endif 2905 default: 2906 WARN_ON(1); 2907 return -EINVAL; 2908 } 2909 2910 return 0; 2911} 2912 2913static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2914{ 2915 struct ieee80211_local *local = sdata->local; 2916 u32 changed = 0; 2917 int err; 2918 2919 sdata_assert_lock(sdata); 2920 lockdep_assert_held(&local->mtx); 2921 lockdep_assert_held(&local->chanctx_mtx); 2922 2923 /* 2924 * using reservation isn't immediate as it may be deferred until later 2925 * with multi-vif. once reservation is complete it will re-schedule the 2926 * work with no reserved_chanctx so verify chandef to check if it 2927 * completed successfully 2928 */ 2929 2930 if (sdata->reserved_chanctx) { 2931 /* 2932 * with multi-vif csa driver may call ieee80211_csa_finish() 2933 * many times while waiting for other interfaces to use their 2934 * reservations 2935 */ 2936 if (sdata->reserved_ready) 2937 return 0; 2938 2939 return ieee80211_vif_use_reserved_context(sdata); 2940 } 2941 2942 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef, 2943 &sdata->csa_chandef)) 2944 return -EINVAL; 2945 2946 sdata->vif.csa_active = false; 2947 2948 err = ieee80211_set_after_csa_beacon(sdata, &changed); 2949 if (err) 2950 return err; 2951 2952 ieee80211_bss_info_change_notify(sdata, changed); 2953 2954 if (sdata->csa_block_tx) { 2955 ieee80211_wake_vif_queues(local, sdata, 2956 IEEE80211_QUEUE_STOP_REASON_CSA); 2957 sdata->csa_block_tx = false; 2958 } 2959 2960 err = drv_post_channel_switch(sdata); 2961 if (err) 2962 return err; 2963 2964 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef); 2965 2966 return 0; 2967} 2968 2969static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata) 2970{ 2971 if (__ieee80211_csa_finalize(sdata)) { 2972 sdata_info(sdata, "failed to finalize CSA, disconnecting\n"); 2973 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev, 2974 GFP_KERNEL); 2975 } 2976} 2977 2978void ieee80211_csa_finalize_work(struct work_struct *work) 2979{ 2980 struct ieee80211_sub_if_data *sdata = 2981 container_of(work, struct ieee80211_sub_if_data, 2982 csa_finalize_work); 2983 struct ieee80211_local *local = sdata->local; 2984 2985 sdata_lock(sdata); 2986 mutex_lock(&local->mtx); 2987 mutex_lock(&local->chanctx_mtx); 2988 2989 /* AP might have been stopped while waiting for the lock. */ 2990 if (!sdata->vif.csa_active) 2991 goto unlock; 2992 2993 if (!ieee80211_sdata_running(sdata)) 2994 goto unlock; 2995 2996 ieee80211_csa_finalize(sdata); 2997 2998unlock: 2999 mutex_unlock(&local->chanctx_mtx); 3000 mutex_unlock(&local->mtx); 3001 sdata_unlock(sdata); 3002} 3003 3004static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata, 3005 struct cfg80211_csa_settings *params, 3006 u32 *changed) 3007{ 3008 struct ieee80211_csa_settings csa = {}; 3009 int err; 3010 3011 switch (sdata->vif.type) { 3012 case NL80211_IFTYPE_AP: 3013 sdata->u.ap.next_beacon = 3014 cfg80211_beacon_dup(¶ms->beacon_after); 3015 if (!sdata->u.ap.next_beacon) 3016 return -ENOMEM; 3017 3018 /* 3019 * With a count of 0, we don't have to wait for any 3020 * TBTT before switching, so complete the CSA 3021 * immediately. In theory, with a count == 1 we 3022 * should delay the switch until just before the next 3023 * TBTT, but that would complicate things so we switch 3024 * immediately too. If we would delay the switch 3025 * until the next TBTT, we would have to set the probe 3026 * response here. 3027 * 3028 * TODO: A channel switch with count <= 1 without 3029 * sending a CSA action frame is kind of useless, 3030 * because the clients won't know we're changing 3031 * channels. The action frame must be implemented 3032 * either here or in the userspace. 3033 */ 3034 if (params->count <= 1) 3035 break; 3036 3037 if ((params->n_counter_offsets_beacon > 3038 IEEE80211_MAX_CSA_COUNTERS_NUM) || 3039 (params->n_counter_offsets_presp > 3040 IEEE80211_MAX_CSA_COUNTERS_NUM)) 3041 return -EINVAL; 3042 3043 csa.counter_offsets_beacon = params->counter_offsets_beacon; 3044 csa.counter_offsets_presp = params->counter_offsets_presp; 3045 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon; 3046 csa.n_counter_offsets_presp = params->n_counter_offsets_presp; 3047 csa.count = params->count; 3048 3049 err = ieee80211_assign_beacon(sdata, ¶ms->beacon_csa, &csa); 3050 if (err < 0) { 3051 kfree(sdata->u.ap.next_beacon); 3052 return err; 3053 } 3054 *changed |= err; 3055 3056 break; 3057 case NL80211_IFTYPE_ADHOC: 3058 if (!sdata->vif.bss_conf.ibss_joined) 3059 return -EINVAL; 3060 3061 if (params->chandef.width != sdata->u.ibss.chandef.width) 3062 return -EINVAL; 3063 3064 switch (params->chandef.width) { 3065 case NL80211_CHAN_WIDTH_40: 3066 if (cfg80211_get_chandef_type(¶ms->chandef) != 3067 cfg80211_get_chandef_type(&sdata->u.ibss.chandef)) 3068 return -EINVAL; 3069 case NL80211_CHAN_WIDTH_5: 3070 case NL80211_CHAN_WIDTH_10: 3071 case NL80211_CHAN_WIDTH_20_NOHT: 3072 case NL80211_CHAN_WIDTH_20: 3073 break; 3074 default: 3075 return -EINVAL; 3076 } 3077 3078 /* changes into another band are not supported */ 3079 if (sdata->u.ibss.chandef.chan->band != 3080 params->chandef.chan->band) 3081 return -EINVAL; 3082 3083 /* see comments in the NL80211_IFTYPE_AP block */ 3084 if (params->count > 1) { 3085 err = ieee80211_ibss_csa_beacon(sdata, params); 3086 if (err < 0) 3087 return err; 3088 *changed |= err; 3089 } 3090 3091 ieee80211_send_action_csa(sdata, params); 3092 3093 break; 3094#ifdef CONFIG_MAC80211_MESH 3095 case NL80211_IFTYPE_MESH_POINT: { 3096 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 3097 3098 if (params->chandef.width != sdata->vif.bss_conf.chandef.width) 3099 return -EINVAL; 3100 3101 /* changes into another band are not supported */ 3102 if (sdata->vif.bss_conf.chandef.chan->band != 3103 params->chandef.chan->band) 3104 return -EINVAL; 3105 3106 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) { 3107 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT; 3108 if (!ifmsh->pre_value) 3109 ifmsh->pre_value = 1; 3110 else 3111 ifmsh->pre_value++; 3112 } 3113 3114 /* see comments in the NL80211_IFTYPE_AP block */ 3115 if (params->count > 1) { 3116 err = ieee80211_mesh_csa_beacon(sdata, params); 3117 if (err < 0) { 3118 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE; 3119 return err; 3120 } 3121 *changed |= err; 3122 } 3123 3124 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT) 3125 ieee80211_send_action_csa(sdata, params); 3126 3127 break; 3128 } 3129#endif 3130 default: 3131 return -EOPNOTSUPP; 3132 } 3133 3134 return 0; 3135} 3136 3137static int 3138__ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3139 struct cfg80211_csa_settings *params) 3140{ 3141 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3142 struct ieee80211_local *local = sdata->local; 3143 struct ieee80211_channel_switch ch_switch; 3144 struct ieee80211_chanctx_conf *conf; 3145 struct ieee80211_chanctx *chanctx; 3146 u32 changed = 0; 3147 int err; 3148 3149 sdata_assert_lock(sdata); 3150 lockdep_assert_held(&local->mtx); 3151 3152 if (!list_empty(&local->roc_list) || local->scanning) 3153 return -EBUSY; 3154 3155 if (sdata->wdev.cac_started) 3156 return -EBUSY; 3157 3158 if (cfg80211_chandef_identical(¶ms->chandef, 3159 &sdata->vif.bss_conf.chandef)) 3160 return -EINVAL; 3161 3162 /* don't allow another channel switch if one is already active. */ 3163 if (sdata->vif.csa_active) 3164 return -EBUSY; 3165 3166 mutex_lock(&local->chanctx_mtx); 3167 conf = rcu_dereference_protected(sdata->vif.chanctx_conf, 3168 lockdep_is_held(&local->chanctx_mtx)); 3169 if (!conf) { 3170 err = -EBUSY; 3171 goto out; 3172 } 3173 3174 chanctx = container_of(conf, struct ieee80211_chanctx, conf); 3175 if (!chanctx) { 3176 err = -EBUSY; 3177 goto out; 3178 } 3179 3180 ch_switch.timestamp = 0; 3181 ch_switch.device_timestamp = 0; 3182 ch_switch.block_tx = params->block_tx; 3183 ch_switch.chandef = params->chandef; 3184 ch_switch.count = params->count; 3185 3186 err = drv_pre_channel_switch(sdata, &ch_switch); 3187 if (err) 3188 goto out; 3189 3190 err = ieee80211_vif_reserve_chanctx(sdata, ¶ms->chandef, 3191 chanctx->mode, 3192 params->radar_required); 3193 if (err) 3194 goto out; 3195 3196 /* if reservation is invalid then this will fail */ 3197 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0); 3198 if (err) { 3199 ieee80211_vif_unreserve_chanctx(sdata); 3200 goto out; 3201 } 3202 3203 err = ieee80211_set_csa_beacon(sdata, params, &changed); 3204 if (err) { 3205 ieee80211_vif_unreserve_chanctx(sdata); 3206 goto out; 3207 } 3208 3209 sdata->csa_chandef = params->chandef; 3210 sdata->csa_block_tx = params->block_tx; 3211 sdata->vif.csa_active = true; 3212 3213 if (sdata->csa_block_tx) 3214 ieee80211_stop_vif_queues(local, sdata, 3215 IEEE80211_QUEUE_STOP_REASON_CSA); 3216 3217 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, 3218 params->count); 3219 3220 if (changed) { 3221 ieee80211_bss_info_change_notify(sdata, changed); 3222 drv_channel_switch_beacon(sdata, ¶ms->chandef); 3223 } else { 3224 /* if the beacon didn't change, we can finalize immediately */ 3225 ieee80211_csa_finalize(sdata); 3226 } 3227 3228out: 3229 mutex_unlock(&local->chanctx_mtx); 3230 return err; 3231} 3232 3233int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3234 struct cfg80211_csa_settings *params) 3235{ 3236 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3237 struct ieee80211_local *local = sdata->local; 3238 int err; 3239 3240 mutex_lock(&local->mtx); 3241 err = __ieee80211_channel_switch(wiphy, dev, params); 3242 mutex_unlock(&local->mtx); 3243 3244 return err; 3245} 3246 3247static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 3248 struct cfg80211_mgmt_tx_params *params, 3249 u64 *cookie) 3250{ 3251 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3252 struct ieee80211_local *local = sdata->local; 3253 struct sk_buff *skb; 3254 struct sta_info *sta; 3255 const struct ieee80211_mgmt *mgmt = (void *)params->buf; 3256 bool need_offchan = false; 3257 u32 flags; 3258 int ret; 3259 u8 *data; 3260 3261 if (params->dont_wait_for_ack) 3262 flags = IEEE80211_TX_CTL_NO_ACK; 3263 else 3264 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | 3265 IEEE80211_TX_CTL_REQ_TX_STATUS; 3266 3267 if (params->no_cck) 3268 flags |= IEEE80211_TX_CTL_NO_CCK_RATE; 3269 3270 switch (sdata->vif.type) { 3271 case NL80211_IFTYPE_ADHOC: 3272 if (!sdata->vif.bss_conf.ibss_joined) 3273 need_offchan = true; 3274 /* fall through */ 3275#ifdef CONFIG_MAC80211_MESH 3276 case NL80211_IFTYPE_MESH_POINT: 3277 if (ieee80211_vif_is_mesh(&sdata->vif) && 3278 !sdata->u.mesh.mesh_id_len) 3279 need_offchan = true; 3280 /* fall through */ 3281#endif 3282 case NL80211_IFTYPE_AP: 3283 case NL80211_IFTYPE_AP_VLAN: 3284 case NL80211_IFTYPE_P2P_GO: 3285 if (sdata->vif.type != NL80211_IFTYPE_ADHOC && 3286 !ieee80211_vif_is_mesh(&sdata->vif) && 3287 !rcu_access_pointer(sdata->bss->beacon)) 3288 need_offchan = true; 3289 if (!ieee80211_is_action(mgmt->frame_control) || 3290 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC || 3291 mgmt->u.action.category == WLAN_CATEGORY_SELF_PROTECTED || 3292 mgmt->u.action.category == WLAN_CATEGORY_SPECTRUM_MGMT) 3293 break; 3294 rcu_read_lock(); 3295 sta = sta_info_get(sdata, mgmt->da); 3296 rcu_read_unlock(); 3297 if (!sta) 3298 return -ENOLINK; 3299 break; 3300 case NL80211_IFTYPE_STATION: 3301 case NL80211_IFTYPE_P2P_CLIENT: 3302 if (!sdata->u.mgd.associated) 3303 need_offchan = true; 3304 break; 3305 case NL80211_IFTYPE_P2P_DEVICE: 3306 need_offchan = true; 3307 break; 3308 default: 3309 return -EOPNOTSUPP; 3310 } 3311 3312 /* configurations requiring offchan cannot work if no channel has been 3313 * specified 3314 */ 3315 if (need_offchan && !params->chan) 3316 return -EINVAL; 3317 3318 mutex_lock(&local->mtx); 3319 3320 /* Check if the operating channel is the requested channel */ 3321 if (!need_offchan) { 3322 struct ieee80211_chanctx_conf *chanctx_conf; 3323 3324 rcu_read_lock(); 3325 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3326 3327 if (chanctx_conf) { 3328 need_offchan = params->chan && 3329 (params->chan != 3330 chanctx_conf->def.chan); 3331 } else if (!params->chan) { 3332 ret = -EINVAL; 3333 rcu_read_unlock(); 3334 goto out_unlock; 3335 } else { 3336 need_offchan = true; 3337 } 3338 rcu_read_unlock(); 3339 } 3340 3341 if (need_offchan && !params->offchan) { 3342 ret = -EBUSY; 3343 goto out_unlock; 3344 } 3345 3346 skb = dev_alloc_skb(local->hw.extra_tx_headroom + params->len); 3347 if (!skb) { 3348 ret = -ENOMEM; 3349 goto out_unlock; 3350 } 3351 skb_reserve(skb, local->hw.extra_tx_headroom); 3352 3353 data = skb_put(skb, params->len); 3354 memcpy(data, params->buf, params->len); 3355 3356 /* Update CSA counters */ 3357 if (sdata->vif.csa_active && 3358 (sdata->vif.type == NL80211_IFTYPE_AP || 3359 sdata->vif.type == NL80211_IFTYPE_MESH_POINT || 3360 sdata->vif.type == NL80211_IFTYPE_ADHOC) && 3361 params->n_csa_offsets) { 3362 int i; 3363 struct beacon_data *beacon = NULL; 3364 3365 rcu_read_lock(); 3366 3367 if (sdata->vif.type == NL80211_IFTYPE_AP) 3368 beacon = rcu_dereference(sdata->u.ap.beacon); 3369 else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) 3370 beacon = rcu_dereference(sdata->u.ibss.presp); 3371 else if (ieee80211_vif_is_mesh(&sdata->vif)) 3372 beacon = rcu_dereference(sdata->u.mesh.beacon); 3373 3374 if (beacon) 3375 for (i = 0; i < params->n_csa_offsets; i++) 3376 data[params->csa_offsets[i]] = 3377 beacon->csa_current_counter; 3378 3379 rcu_read_unlock(); 3380 } 3381 3382 IEEE80211_SKB_CB(skb)->flags = flags; 3383 3384 skb->dev = sdata->dev; 3385 3386 if (!need_offchan) { 3387 *cookie = (unsigned long) skb; 3388 ieee80211_tx_skb(sdata, skb); 3389 ret = 0; 3390 goto out_unlock; 3391 } 3392 3393 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN | 3394 IEEE80211_TX_INTFL_OFFCHAN_TX_OK; 3395 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) 3396 IEEE80211_SKB_CB(skb)->hw_queue = 3397 local->hw.offchannel_tx_hw_queue; 3398 3399 /* This will handle all kinds of coalescing and immediate TX */ 3400 ret = ieee80211_start_roc_work(local, sdata, params->chan, 3401 params->wait, cookie, skb, 3402 IEEE80211_ROC_TYPE_MGMT_TX); 3403 if (ret) 3404 kfree_skb(skb); 3405 out_unlock: 3406 mutex_unlock(&local->mtx); 3407 return ret; 3408} 3409 3410static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 3411 struct wireless_dev *wdev, 3412 u64 cookie) 3413{ 3414 struct ieee80211_local *local = wiphy_priv(wiphy); 3415 3416 return ieee80211_cancel_roc(local, cookie, true); 3417} 3418 3419static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 3420 struct wireless_dev *wdev, 3421 u16 frame_type, bool reg) 3422{ 3423 struct ieee80211_local *local = wiphy_priv(wiphy); 3424 3425 switch (frame_type) { 3426 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: 3427 if (reg) 3428 local->probe_req_reg++; 3429 else 3430 local->probe_req_reg--; 3431 3432 if (!local->open_count) 3433 break; 3434 3435 ieee80211_queue_work(&local->hw, &local->reconfig_filter); 3436 break; 3437 default: 3438 break; 3439 } 3440} 3441 3442static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 3443{ 3444 struct ieee80211_local *local = wiphy_priv(wiphy); 3445 3446 if (local->started) 3447 return -EOPNOTSUPP; 3448 3449 return drv_set_antenna(local, tx_ant, rx_ant); 3450} 3451 3452static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 3453{ 3454 struct ieee80211_local *local = wiphy_priv(wiphy); 3455 3456 return drv_get_antenna(local, tx_ant, rx_ant); 3457} 3458 3459static int ieee80211_set_rekey_data(struct wiphy *wiphy, 3460 struct net_device *dev, 3461 struct cfg80211_gtk_rekey_data *data) 3462{ 3463 struct ieee80211_local *local = wiphy_priv(wiphy); 3464 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3465 3466 if (!local->ops->set_rekey_data) 3467 return -EOPNOTSUPP; 3468 3469 drv_set_rekey_data(local, sdata, data); 3470 3471 return 0; 3472} 3473 3474static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 3475 const u8 *peer, u64 *cookie) 3476{ 3477 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3478 struct ieee80211_local *local = sdata->local; 3479 struct ieee80211_qos_hdr *nullfunc; 3480 struct sk_buff *skb; 3481 int size = sizeof(*nullfunc); 3482 __le16 fc; 3483 bool qos; 3484 struct ieee80211_tx_info *info; 3485 struct sta_info *sta; 3486 struct ieee80211_chanctx_conf *chanctx_conf; 3487 enum ieee80211_band band; 3488 3489 rcu_read_lock(); 3490 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3491 if (WARN_ON(!chanctx_conf)) { 3492 rcu_read_unlock(); 3493 return -EINVAL; 3494 } 3495 band = chanctx_conf->def.chan->band; 3496 sta = sta_info_get_bss(sdata, peer); 3497 if (sta) { 3498 qos = sta->sta.wme; 3499 } else { 3500 rcu_read_unlock(); 3501 return -ENOLINK; 3502 } 3503 3504 if (qos) { 3505 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3506 IEEE80211_STYPE_QOS_NULLFUNC | 3507 IEEE80211_FCTL_FROMDS); 3508 } else { 3509 size -= 2; 3510 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3511 IEEE80211_STYPE_NULLFUNC | 3512 IEEE80211_FCTL_FROMDS); 3513 } 3514 3515 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3516 if (!skb) { 3517 rcu_read_unlock(); 3518 return -ENOMEM; 3519 } 3520 3521 skb->dev = dev; 3522 3523 skb_reserve(skb, local->hw.extra_tx_headroom); 3524 3525 nullfunc = (void *) skb_put(skb, size); 3526 nullfunc->frame_control = fc; 3527 nullfunc->duration_id = 0; 3528 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3529 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3530 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3531 nullfunc->seq_ctrl = 0; 3532 3533 info = IEEE80211_SKB_CB(skb); 3534 3535 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3536 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3537 info->band = band; 3538 3539 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3540 skb->priority = 7; 3541 if (qos) 3542 nullfunc->qos_ctrl = cpu_to_le16(7); 3543 3544 local_bh_disable(); 3545 ieee80211_xmit(sdata, sta, skb); 3546 local_bh_enable(); 3547 rcu_read_unlock(); 3548 3549 *cookie = (unsigned long) skb; 3550 return 0; 3551} 3552 3553static int ieee80211_cfg_get_channel(struct wiphy *wiphy, 3554 struct wireless_dev *wdev, 3555 struct cfg80211_chan_def *chandef) 3556{ 3557 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 3558 struct ieee80211_local *local = wiphy_priv(wiphy); 3559 struct ieee80211_chanctx_conf *chanctx_conf; 3560 int ret = -ENODATA; 3561 3562 rcu_read_lock(); 3563 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); 3564 if (chanctx_conf) { 3565 *chandef = sdata->vif.bss_conf.chandef; 3566 ret = 0; 3567 } else if (local->open_count > 0 && 3568 local->open_count == local->monitors && 3569 sdata->vif.type == NL80211_IFTYPE_MONITOR) { 3570 if (local->use_chanctx) 3571 *chandef = local->monitor_chandef; 3572 else 3573 *chandef = local->_oper_chandef; 3574 ret = 0; 3575 } 3576 rcu_read_unlock(); 3577 3578 return ret; 3579} 3580 3581#ifdef CONFIG_PM 3582static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3583{ 3584 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3585} 3586#endif 3587 3588static int ieee80211_set_qos_map(struct wiphy *wiphy, 3589 struct net_device *dev, 3590 struct cfg80211_qos_map *qos_map) 3591{ 3592 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3593 struct mac80211_qos_map *new_qos_map, *old_qos_map; 3594 3595 if (qos_map) { 3596 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL); 3597 if (!new_qos_map) 3598 return -ENOMEM; 3599 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map)); 3600 } else { 3601 /* A NULL qos_map was passed to disable QoS mapping */ 3602 new_qos_map = NULL; 3603 } 3604 3605 old_qos_map = sdata_dereference(sdata->qos_map, sdata); 3606 rcu_assign_pointer(sdata->qos_map, new_qos_map); 3607 if (old_qos_map) 3608 kfree_rcu(old_qos_map, rcu_head); 3609 3610 return 0; 3611} 3612 3613static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy, 3614 struct net_device *dev, 3615 struct cfg80211_chan_def *chandef) 3616{ 3617 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3618 int ret; 3619 u32 changed = 0; 3620 3621 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed); 3622 if (ret == 0) 3623 ieee80211_bss_info_change_notify(sdata, changed); 3624 3625 return ret; 3626} 3627 3628static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3629 u8 tsid, const u8 *peer, u8 up, 3630 u16 admitted_time) 3631{ 3632 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3633 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3634 int ac = ieee802_1d_to_ac[up]; 3635 3636 if (sdata->vif.type != NL80211_IFTYPE_STATION) 3637 return -EOPNOTSUPP; 3638 3639 if (!(sdata->wmm_acm & BIT(up))) 3640 return -EINVAL; 3641 3642 if (ifmgd->tx_tspec[ac].admitted_time) 3643 return -EBUSY; 3644 3645 if (admitted_time) { 3646 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time; 3647 ifmgd->tx_tspec[ac].tsid = tsid; 3648 ifmgd->tx_tspec[ac].up = up; 3649 } 3650 3651 return 0; 3652} 3653 3654static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev, 3655 u8 tsid, const u8 *peer) 3656{ 3657 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 3658 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; 3659 struct ieee80211_local *local = wiphy_priv(wiphy); 3660 int ac; 3661 3662 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 3663 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; 3664 3665 /* skip unused entries */ 3666 if (!tx_tspec->admitted_time) 3667 continue; 3668 3669 if (tx_tspec->tsid != tsid) 3670 continue; 3671 3672 /* due to this new packets will be reassigned to non-ACM ACs */ 3673 tx_tspec->up = -1; 3674 3675 /* Make sure that all packets have been sent to avoid to 3676 * restore the QoS params on packets that are still on the 3677 * queues. 3678 */ 3679 synchronize_net(); 3680 ieee80211_flush_queues(local, sdata, false); 3681 3682 /* restore the normal QoS parameters 3683 * (unconditionally to avoid races) 3684 */ 3685 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE; 3686 tx_tspec->downgraded = false; 3687 ieee80211_sta_handle_tspec_ac_params(sdata); 3688 3689 /* finally clear all the data */ 3690 memset(tx_tspec, 0, sizeof(*tx_tspec)); 3691 3692 return 0; 3693 } 3694 3695 return -ENOENT; 3696} 3697 3698const struct cfg80211_ops mac80211_config_ops = { 3699 .add_virtual_intf = ieee80211_add_iface, 3700 .del_virtual_intf = ieee80211_del_iface, 3701 .change_virtual_intf = ieee80211_change_iface, 3702 .start_p2p_device = ieee80211_start_p2p_device, 3703 .stop_p2p_device = ieee80211_stop_p2p_device, 3704 .add_key = ieee80211_add_key, 3705 .del_key = ieee80211_del_key, 3706 .get_key = ieee80211_get_key, 3707 .set_default_key = ieee80211_config_default_key, 3708 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 3709 .start_ap = ieee80211_start_ap, 3710 .change_beacon = ieee80211_change_beacon, 3711 .stop_ap = ieee80211_stop_ap, 3712 .add_station = ieee80211_add_station, 3713 .del_station = ieee80211_del_station, 3714 .change_station = ieee80211_change_station, 3715 .get_station = ieee80211_get_station, 3716 .dump_station = ieee80211_dump_station, 3717 .dump_survey = ieee80211_dump_survey, 3718#ifdef CONFIG_MAC80211_MESH 3719 .add_mpath = ieee80211_add_mpath, 3720 .del_mpath = ieee80211_del_mpath, 3721 .change_mpath = ieee80211_change_mpath, 3722 .get_mpath = ieee80211_get_mpath, 3723 .dump_mpath = ieee80211_dump_mpath, 3724 .get_mpp = ieee80211_get_mpp, 3725 .dump_mpp = ieee80211_dump_mpp, 3726 .update_mesh_config = ieee80211_update_mesh_config, 3727 .get_mesh_config = ieee80211_get_mesh_config, 3728 .join_mesh = ieee80211_join_mesh, 3729 .leave_mesh = ieee80211_leave_mesh, 3730#endif 3731 .join_ocb = ieee80211_join_ocb, 3732 .leave_ocb = ieee80211_leave_ocb, 3733 .change_bss = ieee80211_change_bss, 3734 .set_txq_params = ieee80211_set_txq_params, 3735 .set_monitor_channel = ieee80211_set_monitor_channel, 3736 .suspend = ieee80211_suspend, 3737 .resume = ieee80211_resume, 3738 .scan = ieee80211_scan, 3739 .sched_scan_start = ieee80211_sched_scan_start, 3740 .sched_scan_stop = ieee80211_sched_scan_stop, 3741 .auth = ieee80211_auth, 3742 .assoc = ieee80211_assoc, 3743 .deauth = ieee80211_deauth, 3744 .disassoc = ieee80211_disassoc, 3745 .join_ibss = ieee80211_join_ibss, 3746 .leave_ibss = ieee80211_leave_ibss, 3747 .set_mcast_rate = ieee80211_set_mcast_rate, 3748 .set_wiphy_params = ieee80211_set_wiphy_params, 3749 .set_tx_power = ieee80211_set_tx_power, 3750 .get_tx_power = ieee80211_get_tx_power, 3751 .set_wds_peer = ieee80211_set_wds_peer, 3752 .rfkill_poll = ieee80211_rfkill_poll, 3753 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 3754 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 3755 .set_power_mgmt = ieee80211_set_power_mgmt, 3756 .set_bitrate_mask = ieee80211_set_bitrate_mask, 3757 .remain_on_channel = ieee80211_remain_on_channel, 3758 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 3759 .mgmt_tx = ieee80211_mgmt_tx, 3760 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 3761 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 3762 .mgmt_frame_register = ieee80211_mgmt_frame_register, 3763 .set_antenna = ieee80211_set_antenna, 3764 .get_antenna = ieee80211_get_antenna, 3765 .set_rekey_data = ieee80211_set_rekey_data, 3766 .tdls_oper = ieee80211_tdls_oper, 3767 .tdls_mgmt = ieee80211_tdls_mgmt, 3768 .tdls_channel_switch = ieee80211_tdls_channel_switch, 3769 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch, 3770 .probe_client = ieee80211_probe_client, 3771 .set_noack_map = ieee80211_set_noack_map, 3772#ifdef CONFIG_PM 3773 .set_wakeup = ieee80211_set_wakeup, 3774#endif 3775 .get_channel = ieee80211_cfg_get_channel, 3776 .start_radar_detection = ieee80211_start_radar_detection, 3777 .channel_switch = ieee80211_channel_switch, 3778 .set_qos_map = ieee80211_set_qos_map, 3779 .set_ap_chanwidth = ieee80211_set_ap_chanwidth, 3780 .add_tx_ts = ieee80211_add_tx_ts, 3781 .del_tx_ts = ieee80211_del_tx_ts, 3782}; 3783