1 /* 2 * mac80211 configuration hooks for cfg80211 3 * 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> 5 * 6 * This file is GPLv2 as found in COPYING. 7 */ 8 9 #include <linux/ieee80211.h> 10 #include <linux/nl80211.h> 11 #include <linux/rtnetlink.h> 12 #include <linux/slab.h> 13 #include <net/net_namespace.h> 14 #include <linux/rcupdate.h> 15 #include <linux/if_ether.h> 16 #include <net/cfg80211.h> 17 #include "ieee80211_i.h" 18 #include "driver-ops.h" 19 #include "cfg.h" 20 #include "rate.h" 21 #include "mesh.h" 22 23 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, 24 const char *name, 25 enum nl80211_iftype type, 26 u32 *flags, 27 struct vif_params *params) 28 { 29 struct ieee80211_local *local = wiphy_priv(wiphy); 30 struct wireless_dev *wdev; 31 struct ieee80211_sub_if_data *sdata; 32 int err; 33 34 err = ieee80211_if_add(local, name, &wdev, type, params); 35 if (err) 36 return ERR_PTR(err); 37 38 if (type == NL80211_IFTYPE_MONITOR && flags) { 39 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 40 sdata->u.mntr_flags = *flags; 41 } 42 43 return wdev; 44 } 45 46 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) 47 { 48 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); 49 50 return 0; 51 } 52 53 static int ieee80211_change_iface(struct wiphy *wiphy, 54 struct net_device *dev, 55 enum nl80211_iftype type, u32 *flags, 56 struct vif_params *params) 57 { 58 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 59 int ret; 60 61 ret = ieee80211_if_change_type(sdata, type); 62 if (ret) 63 return ret; 64 65 if (type == NL80211_IFTYPE_AP_VLAN && 66 params && params->use_4addr == 0) 67 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); 68 else if (type == NL80211_IFTYPE_STATION && 69 params && params->use_4addr >= 0) 70 sdata->u.mgd.use_4addr = params->use_4addr; 71 72 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { 73 struct ieee80211_local *local = sdata->local; 74 75 if (ieee80211_sdata_running(sdata)) { 76 /* 77 * Prohibit MONITOR_FLAG_COOK_FRAMES to be 78 * changed while the interface is up. 79 * Else we would need to add a lot of cruft 80 * to update everything: 81 * cooked_mntrs, monitor and all fif_* counters 82 * reconfigure hardware 83 */ 84 if ((*flags & MONITOR_FLAG_COOK_FRAMES) != 85 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) 86 return -EBUSY; 87 88 ieee80211_adjust_monitor_flags(sdata, -1); 89 sdata->u.mntr_flags = *flags; 90 ieee80211_adjust_monitor_flags(sdata, 1); 91 92 ieee80211_configure_filter(local); 93 } else { 94 /* 95 * Because the interface is down, ieee80211_do_stop 96 * and ieee80211_do_open take care of "everything" 97 * mentioned in the comment above. 98 */ 99 sdata->u.mntr_flags = *flags; 100 } 101 } 102 103 return 0; 104 } 105 106 static int ieee80211_start_p2p_device(struct wiphy *wiphy, 107 struct wireless_dev *wdev) 108 { 109 return ieee80211_do_open(wdev, true); 110 } 111 112 static void ieee80211_stop_p2p_device(struct wiphy *wiphy, 113 struct wireless_dev *wdev) 114 { 115 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); 116 } 117 118 static int ieee80211_set_noack_map(struct wiphy *wiphy, 119 struct net_device *dev, 120 u16 noack_map) 121 { 122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 123 124 sdata->noack_map = noack_map; 125 return 0; 126 } 127 128 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 129 u8 key_idx, bool pairwise, const u8 *mac_addr, 130 struct key_params *params) 131 { 132 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 133 struct sta_info *sta = NULL; 134 struct ieee80211_key *key; 135 int err; 136 137 if (!ieee80211_sdata_running(sdata)) 138 return -ENETDOWN; 139 140 /* reject WEP and TKIP keys if WEP failed to initialize */ 141 switch (params->cipher) { 142 case WLAN_CIPHER_SUITE_WEP40: 143 case WLAN_CIPHER_SUITE_TKIP: 144 case WLAN_CIPHER_SUITE_WEP104: 145 if (IS_ERR(sdata->local->wep_tx_tfm)) 146 return -EINVAL; 147 break; 148 default: 149 break; 150 } 151 152 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 153 params->key, params->seq_len, params->seq); 154 if (IS_ERR(key)) 155 return PTR_ERR(key); 156 157 if (pairwise) 158 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 159 160 mutex_lock(&sdata->local->sta_mtx); 161 162 if (mac_addr) { 163 if (ieee80211_vif_is_mesh(&sdata->vif)) 164 sta = sta_info_get(sdata, mac_addr); 165 else 166 sta = sta_info_get_bss(sdata, mac_addr); 167 if (!sta) { 168 ieee80211_key_free(sdata->local, key); 169 err = -ENOENT; 170 goto out_unlock; 171 } 172 } 173 174 switch (sdata->vif.type) { 175 case NL80211_IFTYPE_STATION: 176 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED) 177 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 178 break; 179 case NL80211_IFTYPE_AP: 180 case NL80211_IFTYPE_AP_VLAN: 181 /* Keys without a station are used for TX only */ 182 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP)) 183 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 184 break; 185 case NL80211_IFTYPE_ADHOC: 186 /* no MFP (yet) */ 187 break; 188 case NL80211_IFTYPE_MESH_POINT: 189 #ifdef CONFIG_MAC80211_MESH 190 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE) 191 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT; 192 break; 193 #endif 194 case NL80211_IFTYPE_WDS: 195 case NL80211_IFTYPE_MONITOR: 196 case NL80211_IFTYPE_P2P_DEVICE: 197 case NL80211_IFTYPE_UNSPECIFIED: 198 case NUM_NL80211_IFTYPES: 199 case NL80211_IFTYPE_P2P_CLIENT: 200 case NL80211_IFTYPE_P2P_GO: 201 /* shouldn't happen */ 202 WARN_ON_ONCE(1); 203 break; 204 } 205 206 err = ieee80211_key_link(key, sdata, sta); 207 if (err) 208 ieee80211_key_free(sdata->local, key); 209 210 out_unlock: 211 mutex_unlock(&sdata->local->sta_mtx); 212 213 return err; 214 } 215 216 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 217 u8 key_idx, bool pairwise, const u8 *mac_addr) 218 { 219 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 220 struct ieee80211_local *local = sdata->local; 221 struct sta_info *sta; 222 struct ieee80211_key *key = NULL; 223 int ret; 224 225 mutex_lock(&local->sta_mtx); 226 mutex_lock(&local->key_mtx); 227 228 if (mac_addr) { 229 ret = -ENOENT; 230 231 sta = sta_info_get_bss(sdata, mac_addr); 232 if (!sta) 233 goto out_unlock; 234 235 if (pairwise) 236 key = key_mtx_dereference(local, sta->ptk); 237 else 238 key = key_mtx_dereference(local, sta->gtk[key_idx]); 239 } else 240 key = key_mtx_dereference(local, sdata->keys[key_idx]); 241 242 if (!key) { 243 ret = -ENOENT; 244 goto out_unlock; 245 } 246 247 __ieee80211_key_free(key); 248 249 ret = 0; 250 out_unlock: 251 mutex_unlock(&local->key_mtx); 252 mutex_unlock(&local->sta_mtx); 253 254 return ret; 255 } 256 257 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 258 u8 key_idx, bool pairwise, const u8 *mac_addr, 259 void *cookie, 260 void (*callback)(void *cookie, 261 struct key_params *params)) 262 { 263 struct ieee80211_sub_if_data *sdata; 264 struct sta_info *sta = NULL; 265 u8 seq[6] = {0}; 266 struct key_params params; 267 struct ieee80211_key *key = NULL; 268 u64 pn64; 269 u32 iv32; 270 u16 iv16; 271 int err = -ENOENT; 272 273 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 274 275 rcu_read_lock(); 276 277 if (mac_addr) { 278 sta = sta_info_get_bss(sdata, mac_addr); 279 if (!sta) 280 goto out; 281 282 if (pairwise) 283 key = rcu_dereference(sta->ptk); 284 else if (key_idx < NUM_DEFAULT_KEYS) 285 key = rcu_dereference(sta->gtk[key_idx]); 286 } else 287 key = rcu_dereference(sdata->keys[key_idx]); 288 289 if (!key) 290 goto out; 291 292 memset(¶ms, 0, sizeof(params)); 293 294 params.cipher = key->conf.cipher; 295 296 switch (key->conf.cipher) { 297 case WLAN_CIPHER_SUITE_TKIP: 298 iv32 = key->u.tkip.tx.iv32; 299 iv16 = key->u.tkip.tx.iv16; 300 301 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) 302 drv_get_tkip_seq(sdata->local, 303 key->conf.hw_key_idx, 304 &iv32, &iv16); 305 306 seq[0] = iv16 & 0xff; 307 seq[1] = (iv16 >> 8) & 0xff; 308 seq[2] = iv32 & 0xff; 309 seq[3] = (iv32 >> 8) & 0xff; 310 seq[4] = (iv32 >> 16) & 0xff; 311 seq[5] = (iv32 >> 24) & 0xff; 312 params.seq = seq; 313 params.seq_len = 6; 314 break; 315 case WLAN_CIPHER_SUITE_CCMP: 316 pn64 = atomic64_read(&key->u.ccmp.tx_pn); 317 seq[0] = pn64; 318 seq[1] = pn64 >> 8; 319 seq[2] = pn64 >> 16; 320 seq[3] = pn64 >> 24; 321 seq[4] = pn64 >> 32; 322 seq[5] = pn64 >> 40; 323 params.seq = seq; 324 params.seq_len = 6; 325 break; 326 case WLAN_CIPHER_SUITE_AES_CMAC: 327 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); 328 seq[0] = pn64; 329 seq[1] = pn64 >> 8; 330 seq[2] = pn64 >> 16; 331 seq[3] = pn64 >> 24; 332 seq[4] = pn64 >> 32; 333 seq[5] = pn64 >> 40; 334 params.seq = seq; 335 params.seq_len = 6; 336 break; 337 } 338 339 params.key = key->conf.key; 340 params.key_len = key->conf.keylen; 341 342 callback(cookie, ¶ms); 343 err = 0; 344 345 out: 346 rcu_read_unlock(); 347 return err; 348 } 349 350 static int ieee80211_config_default_key(struct wiphy *wiphy, 351 struct net_device *dev, 352 u8 key_idx, bool uni, 353 bool multi) 354 { 355 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 356 357 ieee80211_set_default_key(sdata, key_idx, uni, multi); 358 359 return 0; 360 } 361 362 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 363 struct net_device *dev, 364 u8 key_idx) 365 { 366 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 367 368 ieee80211_set_default_mgmt_key(sdata, key_idx); 369 370 return 0; 371 } 372 373 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) 374 { 375 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { 376 struct ieee80211_supported_band *sband; 377 sband = sta->local->hw.wiphy->bands[ 378 sta->local->oper_channel->band]; 379 rate->legacy = sband->bitrates[idx].bitrate; 380 } else 381 rate->mcs = idx; 382 } 383 384 void sta_set_rate_info_tx(struct sta_info *sta, 385 const struct ieee80211_tx_rate *rate, 386 struct rate_info *rinfo) 387 { 388 rinfo->flags = 0; 389 if (rate->flags & IEEE80211_TX_RC_MCS) 390 rinfo->flags |= RATE_INFO_FLAGS_MCS; 391 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 392 rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 393 if (rate->flags & IEEE80211_TX_RC_SHORT_GI) 394 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; 395 rate_idx_to_bitrate(rinfo, sta, rate->idx); 396 } 397 398 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) 399 { 400 struct ieee80211_sub_if_data *sdata = sta->sdata; 401 struct ieee80211_local *local = sdata->local; 402 struct timespec uptime; 403 404 sinfo->generation = sdata->local->sta_generation; 405 406 sinfo->filled = STATION_INFO_INACTIVE_TIME | 407 STATION_INFO_RX_BYTES | 408 STATION_INFO_TX_BYTES | 409 STATION_INFO_RX_PACKETS | 410 STATION_INFO_TX_PACKETS | 411 STATION_INFO_TX_RETRIES | 412 STATION_INFO_TX_FAILED | 413 STATION_INFO_TX_BITRATE | 414 STATION_INFO_RX_BITRATE | 415 STATION_INFO_RX_DROP_MISC | 416 STATION_INFO_BSS_PARAM | 417 STATION_INFO_CONNECTED_TIME | 418 STATION_INFO_STA_FLAGS | 419 STATION_INFO_BEACON_LOSS_COUNT; 420 421 do_posix_clock_monotonic_gettime(&uptime); 422 sinfo->connected_time = uptime.tv_sec - sta->last_connected; 423 424 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); 425 sinfo->rx_bytes = sta->rx_bytes; 426 sinfo->tx_bytes = sta->tx_bytes; 427 sinfo->rx_packets = sta->rx_packets; 428 sinfo->tx_packets = sta->tx_packets; 429 sinfo->tx_retries = sta->tx_retry_count; 430 sinfo->tx_failed = sta->tx_retry_failed; 431 sinfo->rx_dropped_misc = sta->rx_dropped; 432 sinfo->beacon_loss_count = sta->beacon_loss_count; 433 434 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || 435 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { 436 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; 437 if (!local->ops->get_rssi || 438 drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) 439 sinfo->signal = (s8)sta->last_signal; 440 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); 441 } 442 443 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); 444 445 sinfo->rxrate.flags = 0; 446 if (sta->last_rx_rate_flag & RX_FLAG_HT) 447 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; 448 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) 449 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 450 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) 451 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 452 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); 453 454 if (ieee80211_vif_is_mesh(&sdata->vif)) { 455 #ifdef CONFIG_MAC80211_MESH 456 sinfo->filled |= STATION_INFO_LLID | 457 STATION_INFO_PLID | 458 STATION_INFO_PLINK_STATE; 459 460 sinfo->llid = le16_to_cpu(sta->llid); 461 sinfo->plid = le16_to_cpu(sta->plid); 462 sinfo->plink_state = sta->plink_state; 463 if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { 464 sinfo->filled |= STATION_INFO_T_OFFSET; 465 sinfo->t_offset = sta->t_offset; 466 } 467 #endif 468 } 469 470 sinfo->bss_param.flags = 0; 471 if (sdata->vif.bss_conf.use_cts_prot) 472 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; 473 if (sdata->vif.bss_conf.use_short_preamble) 474 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; 475 if (sdata->vif.bss_conf.use_short_slot) 476 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 477 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; 478 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; 479 480 sinfo->sta_flags.set = 0; 481 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | 482 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | 483 BIT(NL80211_STA_FLAG_WME) | 484 BIT(NL80211_STA_FLAG_MFP) | 485 BIT(NL80211_STA_FLAG_AUTHENTICATED) | 486 BIT(NL80211_STA_FLAG_TDLS_PEER); 487 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 488 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); 489 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) 490 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); 491 if (test_sta_flag(sta, WLAN_STA_WME)) 492 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); 493 if (test_sta_flag(sta, WLAN_STA_MFP)) 494 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); 495 if (test_sta_flag(sta, WLAN_STA_AUTH)) 496 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); 497 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) 498 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); 499 } 500 501 static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { 502 "rx_packets", "rx_bytes", "wep_weak_iv_count", 503 "rx_duplicates", "rx_fragments", "rx_dropped", 504 "tx_packets", "tx_bytes", "tx_fragments", 505 "tx_filtered", "tx_retry_failed", "tx_retries", 506 "beacon_loss", "sta_state", "txrate", "rxrate", "signal", 507 "channel", "noise", "ch_time", "ch_time_busy", 508 "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" 509 }; 510 #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) 511 512 static int ieee80211_get_et_sset_count(struct wiphy *wiphy, 513 struct net_device *dev, 514 int sset) 515 { 516 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 517 int rv = 0; 518 519 if (sset == ETH_SS_STATS) 520 rv += STA_STATS_LEN; 521 522 rv += drv_get_et_sset_count(sdata, sset); 523 524 if (rv == 0) 525 return -EOPNOTSUPP; 526 return rv; 527 } 528 529 static void ieee80211_get_et_stats(struct wiphy *wiphy, 530 struct net_device *dev, 531 struct ethtool_stats *stats, 532 u64 *data) 533 { 534 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 535 struct sta_info *sta; 536 struct ieee80211_local *local = sdata->local; 537 struct station_info sinfo; 538 struct survey_info survey; 539 int i, q; 540 #define STA_STATS_SURVEY_LEN 7 541 542 memset(data, 0, sizeof(u64) * STA_STATS_LEN); 543 544 #define ADD_STA_STATS(sta) \ 545 do { \ 546 data[i++] += sta->rx_packets; \ 547 data[i++] += sta->rx_bytes; \ 548 data[i++] += sta->wep_weak_iv_count; \ 549 data[i++] += sta->num_duplicates; \ 550 data[i++] += sta->rx_fragments; \ 551 data[i++] += sta->rx_dropped; \ 552 \ 553 data[i++] += sta->tx_packets; \ 554 data[i++] += sta->tx_bytes; \ 555 data[i++] += sta->tx_fragments; \ 556 data[i++] += sta->tx_filtered_count; \ 557 data[i++] += sta->tx_retry_failed; \ 558 data[i++] += sta->tx_retry_count; \ 559 data[i++] += sta->beacon_loss_count; \ 560 } while (0) 561 562 /* For Managed stations, find the single station based on BSSID 563 * and use that. For interface types, iterate through all available 564 * stations and add stats for any station that is assigned to this 565 * network device. 566 */ 567 568 mutex_lock(&local->sta_mtx); 569 570 if (sdata->vif.type == NL80211_IFTYPE_STATION) { 571 sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); 572 573 if (!(sta && !WARN_ON(sta->sdata->dev != dev))) 574 goto do_survey; 575 576 i = 0; 577 ADD_STA_STATS(sta); 578 579 data[i++] = sta->sta_state; 580 581 sinfo.filled = 0; 582 sta_set_sinfo(sta, &sinfo); 583 584 if (sinfo.filled & STATION_INFO_TX_BITRATE) 585 data[i] = 100000 * 586 cfg80211_calculate_bitrate(&sinfo.txrate); 587 i++; 588 if (sinfo.filled & STATION_INFO_RX_BITRATE) 589 data[i] = 100000 * 590 cfg80211_calculate_bitrate(&sinfo.rxrate); 591 i++; 592 593 if (sinfo.filled & STATION_INFO_SIGNAL_AVG) 594 data[i] = (u8)sinfo.signal_avg; 595 i++; 596 } else { 597 list_for_each_entry(sta, &local->sta_list, list) { 598 /* Make sure this station belongs to the proper dev */ 599 if (sta->sdata->dev != dev) 600 continue; 601 602 i = 0; 603 ADD_STA_STATS(sta); 604 } 605 } 606 607 do_survey: 608 i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; 609 /* Get survey stats for current channel */ 610 q = 0; 611 while (true) { 612 survey.filled = 0; 613 if (drv_get_survey(local, q, &survey) != 0) { 614 survey.filled = 0; 615 break; 616 } 617 618 if (survey.channel && 619 (local->oper_channel->center_freq == 620 survey.channel->center_freq)) 621 break; 622 q++; 623 } 624 625 if (survey.filled) 626 data[i++] = survey.channel->center_freq; 627 else 628 data[i++] = 0; 629 if (survey.filled & SURVEY_INFO_NOISE_DBM) 630 data[i++] = (u8)survey.noise; 631 else 632 data[i++] = -1LL; 633 if (survey.filled & SURVEY_INFO_CHANNEL_TIME) 634 data[i++] = survey.channel_time; 635 else 636 data[i++] = -1LL; 637 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) 638 data[i++] = survey.channel_time_busy; 639 else 640 data[i++] = -1LL; 641 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) 642 data[i++] = survey.channel_time_ext_busy; 643 else 644 data[i++] = -1LL; 645 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) 646 data[i++] = survey.channel_time_rx; 647 else 648 data[i++] = -1LL; 649 if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) 650 data[i++] = survey.channel_time_tx; 651 else 652 data[i++] = -1LL; 653 654 mutex_unlock(&local->sta_mtx); 655 656 if (WARN_ON(i != STA_STATS_LEN)) 657 return; 658 659 drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); 660 } 661 662 static void ieee80211_get_et_strings(struct wiphy *wiphy, 663 struct net_device *dev, 664 u32 sset, u8 *data) 665 { 666 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 667 int sz_sta_stats = 0; 668 669 if (sset == ETH_SS_STATS) { 670 sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); 671 memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); 672 } 673 drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); 674 } 675 676 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 677 int idx, u8 *mac, struct station_info *sinfo) 678 { 679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 680 struct ieee80211_local *local = sdata->local; 681 struct sta_info *sta; 682 int ret = -ENOENT; 683 684 mutex_lock(&local->sta_mtx); 685 686 sta = sta_info_get_by_idx(sdata, idx); 687 if (sta) { 688 ret = 0; 689 memcpy(mac, sta->sta.addr, ETH_ALEN); 690 sta_set_sinfo(sta, sinfo); 691 } 692 693 mutex_unlock(&local->sta_mtx); 694 695 return ret; 696 } 697 698 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 699 int idx, struct survey_info *survey) 700 { 701 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 702 703 return drv_get_survey(local, idx, survey); 704 } 705 706 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 707 u8 *mac, struct station_info *sinfo) 708 { 709 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 710 struct ieee80211_local *local = sdata->local; 711 struct sta_info *sta; 712 int ret = -ENOENT; 713 714 mutex_lock(&local->sta_mtx); 715 716 sta = sta_info_get_bss(sdata, mac); 717 if (sta) { 718 ret = 0; 719 sta_set_sinfo(sta, sinfo); 720 } 721 722 mutex_unlock(&local->sta_mtx); 723 724 return ret; 725 } 726 727 static int ieee80211_set_channel(struct wiphy *wiphy, 728 struct net_device *netdev, 729 struct ieee80211_channel *chan, 730 enum nl80211_channel_type channel_type) 731 { 732 struct ieee80211_local *local = wiphy_priv(wiphy); 733 struct ieee80211_sub_if_data *sdata = NULL; 734 735 if (netdev) 736 sdata = IEEE80211_DEV_TO_SUB_IF(netdev); 737 738 switch (ieee80211_get_channel_mode(local, NULL)) { 739 case CHAN_MODE_HOPPING: 740 return -EBUSY; 741 case CHAN_MODE_FIXED: 742 if (local->oper_channel != chan || 743 (!sdata && local->_oper_channel_type != channel_type)) 744 return -EBUSY; 745 if (!sdata && local->_oper_channel_type == channel_type) 746 return 0; 747 break; 748 case CHAN_MODE_UNDEFINED: 749 break; 750 } 751 752 if (!ieee80211_set_channel_type(local, sdata, channel_type)) 753 return -EBUSY; 754 755 local->oper_channel = chan; 756 757 /* auto-detects changes */ 758 ieee80211_hw_config(local, 0); 759 760 return 0; 761 } 762 763 static int ieee80211_set_monitor_channel(struct wiphy *wiphy, 764 struct ieee80211_channel *chan, 765 enum nl80211_channel_type channel_type) 766 { 767 return ieee80211_set_channel(wiphy, NULL, chan, channel_type); 768 } 769 770 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, 771 const u8 *resp, size_t resp_len) 772 { 773 struct probe_resp *new, *old; 774 775 if (!resp || !resp_len) 776 return 1; 777 778 old = rtnl_dereference(sdata->u.ap.probe_resp); 779 780 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); 781 if (!new) 782 return -ENOMEM; 783 784 new->len = resp_len; 785 memcpy(new->data, resp, resp_len); 786 787 rcu_assign_pointer(sdata->u.ap.probe_resp, new); 788 if (old) 789 kfree_rcu(old, rcu_head); 790 791 return 0; 792 } 793 794 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, 795 struct cfg80211_beacon_data *params) 796 { 797 struct beacon_data *new, *old; 798 int new_head_len, new_tail_len; 799 int size, err; 800 u32 changed = BSS_CHANGED_BEACON; 801 802 old = rtnl_dereference(sdata->u.ap.beacon); 803 804 /* Need to have a beacon head if we don't have one yet */ 805 if (!params->head && !old) 806 return -EINVAL; 807 808 /* new or old head? */ 809 if (params->head) 810 new_head_len = params->head_len; 811 else 812 new_head_len = old->head_len; 813 814 /* new or old tail? */ 815 if (params->tail || !old) 816 /* params->tail_len will be zero for !params->tail */ 817 new_tail_len = params->tail_len; 818 else 819 new_tail_len = old->tail_len; 820 821 size = sizeof(*new) + new_head_len + new_tail_len; 822 823 new = kzalloc(size, GFP_KERNEL); 824 if (!new) 825 return -ENOMEM; 826 827 /* start filling the new info now */ 828 829 /* 830 * pointers go into the block we allocated, 831 * memory is | beacon_data | head | tail | 832 */ 833 new->head = ((u8 *) new) + sizeof(*new); 834 new->tail = new->head + new_head_len; 835 new->head_len = new_head_len; 836 new->tail_len = new_tail_len; 837 838 /* copy in head */ 839 if (params->head) 840 memcpy(new->head, params->head, new_head_len); 841 else 842 memcpy(new->head, old->head, new_head_len); 843 844 /* copy in optional tail */ 845 if (params->tail) 846 memcpy(new->tail, params->tail, new_tail_len); 847 else 848 if (old) 849 memcpy(new->tail, old->tail, new_tail_len); 850 851 err = ieee80211_set_probe_resp(sdata, params->probe_resp, 852 params->probe_resp_len); 853 if (err < 0) 854 return err; 855 if (err == 0) 856 changed |= BSS_CHANGED_AP_PROBE_RESP; 857 858 rcu_assign_pointer(sdata->u.ap.beacon, new); 859 860 if (old) 861 kfree_rcu(old, rcu_head); 862 863 return changed; 864 } 865 866 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 867 struct cfg80211_ap_settings *params) 868 { 869 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 870 struct beacon_data *old; 871 struct ieee80211_sub_if_data *vlan; 872 u32 changed = BSS_CHANGED_BEACON_INT | 873 BSS_CHANGED_BEACON_ENABLED | 874 BSS_CHANGED_BEACON | 875 BSS_CHANGED_SSID; 876 int err; 877 878 old = rtnl_dereference(sdata->u.ap.beacon); 879 if (old) 880 return -EALREADY; 881 882 err = ieee80211_set_channel(wiphy, dev, params->channel, 883 params->channel_type); 884 if (err) 885 return err; 886 887 /* 888 * Apply control port protocol, this allows us to 889 * not encrypt dynamic WEP control frames. 890 */ 891 sdata->control_port_protocol = params->crypto.control_port_ethertype; 892 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; 893 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { 894 vlan->control_port_protocol = 895 params->crypto.control_port_ethertype; 896 vlan->control_port_no_encrypt = 897 params->crypto.control_port_no_encrypt; 898 } 899 900 sdata->vif.bss_conf.beacon_int = params->beacon_interval; 901 sdata->vif.bss_conf.dtim_period = params->dtim_period; 902 903 sdata->vif.bss_conf.ssid_len = params->ssid_len; 904 if (params->ssid_len) 905 memcpy(sdata->vif.bss_conf.ssid, params->ssid, 906 params->ssid_len); 907 sdata->vif.bss_conf.hidden_ssid = 908 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 909 910 err = ieee80211_assign_beacon(sdata, ¶ms->beacon); 911 if (err < 0) 912 return err; 913 changed |= err; 914 915 ieee80211_bss_info_change_notify(sdata, changed); 916 917 netif_carrier_on(dev); 918 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 919 netif_carrier_on(vlan->dev); 920 921 return 0; 922 } 923 924 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, 925 struct cfg80211_beacon_data *params) 926 { 927 struct ieee80211_sub_if_data *sdata; 928 struct beacon_data *old; 929 int err; 930 931 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 932 933 old = rtnl_dereference(sdata->u.ap.beacon); 934 if (!old) 935 return -ENOENT; 936 937 err = ieee80211_assign_beacon(sdata, params); 938 if (err < 0) 939 return err; 940 ieee80211_bss_info_change_notify(sdata, err); 941 return 0; 942 } 943 944 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 945 { 946 struct ieee80211_sub_if_data *sdata, *vlan; 947 struct beacon_data *old; 948 949 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 950 951 old = rtnl_dereference(sdata->u.ap.beacon); 952 if (!old) 953 return -ENOENT; 954 955 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) 956 netif_carrier_off(vlan->dev); 957 netif_carrier_off(dev); 958 959 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 960 961 kfree_rcu(old, rcu_head); 962 963 sta_info_flush(sdata->local, sdata); 964 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 965 966 return 0; 967 } 968 969 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 970 struct iapp_layer2_update { 971 u8 da[ETH_ALEN]; /* broadcast */ 972 u8 sa[ETH_ALEN]; /* STA addr */ 973 __be16 len; /* 6 */ 974 u8 dsap; /* 0 */ 975 u8 ssap; /* 0 */ 976 u8 control; 977 u8 xid_info[3]; 978 } __packed; 979 980 static void ieee80211_send_layer2_update(struct sta_info *sta) 981 { 982 struct iapp_layer2_update *msg; 983 struct sk_buff *skb; 984 985 /* Send Level 2 Update Frame to update forwarding tables in layer 2 986 * bridge devices */ 987 988 skb = dev_alloc_skb(sizeof(*msg)); 989 if (!skb) 990 return; 991 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 992 993 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 994 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 995 996 eth_broadcast_addr(msg->da); 997 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 998 msg->len = htons(6); 999 msg->dsap = 0; 1000 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 1001 msg->control = 0xaf; /* XID response lsb.1111F101. 1002 * F=0 (no poll command; unsolicited frame) */ 1003 msg->xid_info[0] = 0x81; /* XID format identifier */ 1004 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 1005 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 1006 1007 skb->dev = sta->sdata->dev; 1008 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 1009 memset(skb->cb, 0, sizeof(skb->cb)); 1010 netif_rx_ni(skb); 1011 } 1012 1013 static int sta_apply_parameters(struct ieee80211_local *local, 1014 struct sta_info *sta, 1015 struct station_parameters *params) 1016 { 1017 int ret = 0; 1018 u32 rates; 1019 int i, j; 1020 struct ieee80211_supported_band *sband; 1021 struct ieee80211_sub_if_data *sdata = sta->sdata; 1022 u32 mask, set; 1023 1024 sband = local->hw.wiphy->bands[local->oper_channel->band]; 1025 1026 mask = params->sta_flags_mask; 1027 set = params->sta_flags_set; 1028 1029 /* 1030 * In mesh mode, we can clear AUTHENTICATED flag but must 1031 * also make ASSOCIATED follow appropriately for the driver 1032 * API. See also below, after AUTHORIZED changes. 1033 */ 1034 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { 1035 /* cfg80211 should not allow this in non-mesh modes */ 1036 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) 1037 return -EINVAL; 1038 1039 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && 1040 !test_sta_flag(sta, WLAN_STA_AUTH)) { 1041 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1042 if (ret) 1043 return ret; 1044 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1045 if (ret) 1046 return ret; 1047 } 1048 } 1049 1050 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1051 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 1052 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); 1053 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 1054 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); 1055 if (ret) 1056 return ret; 1057 } 1058 1059 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { 1060 /* cfg80211 should not allow this in non-mesh modes */ 1061 if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) 1062 return -EINVAL; 1063 1064 if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && 1065 test_sta_flag(sta, WLAN_STA_AUTH)) { 1066 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); 1067 if (ret) 1068 return ret; 1069 ret = sta_info_move_state(sta, IEEE80211_STA_NONE); 1070 if (ret) 1071 return ret; 1072 } 1073 } 1074 1075 1076 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 1077 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 1078 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1079 else 1080 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 1081 } 1082 1083 if (mask & BIT(NL80211_STA_FLAG_WME)) { 1084 if (set & BIT(NL80211_STA_FLAG_WME)) { 1085 set_sta_flag(sta, WLAN_STA_WME); 1086 sta->sta.wme = true; 1087 } else { 1088 clear_sta_flag(sta, WLAN_STA_WME); 1089 sta->sta.wme = false; 1090 } 1091 } 1092 1093 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 1094 if (set & BIT(NL80211_STA_FLAG_MFP)) 1095 set_sta_flag(sta, WLAN_STA_MFP); 1096 else 1097 clear_sta_flag(sta, WLAN_STA_MFP); 1098 } 1099 1100 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 1101 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 1102 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 1103 else 1104 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 1105 } 1106 1107 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 1108 sta->sta.uapsd_queues = params->uapsd_queues; 1109 sta->sta.max_sp = params->max_sp; 1110 } 1111 1112 /* 1113 * cfg80211 validates this (1-2007) and allows setting the AID 1114 * only when creating a new station entry 1115 */ 1116 if (params->aid) 1117 sta->sta.aid = params->aid; 1118 1119 /* 1120 * FIXME: updating the following information is racy when this 1121 * function is called from ieee80211_change_station(). 1122 * However, all this information should be static so 1123 * maybe we should just reject attemps to change it. 1124 */ 1125 1126 if (params->listen_interval >= 0) 1127 sta->listen_interval = params->listen_interval; 1128 1129 if (params->supported_rates) { 1130 rates = 0; 1131 1132 for (i = 0; i < params->supported_rates_len; i++) { 1133 int rate = (params->supported_rates[i] & 0x7f) * 5; 1134 for (j = 0; j < sband->n_bitrates; j++) { 1135 if (sband->bitrates[j].bitrate == rate) 1136 rates |= BIT(j); 1137 } 1138 } 1139 sta->sta.supp_rates[local->oper_channel->band] = rates; 1140 } 1141 1142 if (params->ht_capa) 1143 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, 1144 params->ht_capa, 1145 &sta->sta.ht_cap); 1146 1147 if (ieee80211_vif_is_mesh(&sdata->vif)) { 1148 #ifdef CONFIG_MAC80211_MESH 1149 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) 1150 switch (params->plink_state) { 1151 case NL80211_PLINK_LISTEN: 1152 case NL80211_PLINK_ESTAB: 1153 case NL80211_PLINK_BLOCKED: 1154 sta->plink_state = params->plink_state; 1155 break; 1156 default: 1157 /* nothing */ 1158 break; 1159 } 1160 else 1161 switch (params->plink_action) { 1162 case PLINK_ACTION_OPEN: 1163 mesh_plink_open(sta); 1164 break; 1165 case PLINK_ACTION_BLOCK: 1166 mesh_plink_block(sta); 1167 break; 1168 } 1169 #endif 1170 } 1171 1172 return 0; 1173 } 1174 1175 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 1176 u8 *mac, struct station_parameters *params) 1177 { 1178 struct ieee80211_local *local = wiphy_priv(wiphy); 1179 struct sta_info *sta; 1180 struct ieee80211_sub_if_data *sdata; 1181 int err; 1182 int layer2_update; 1183 1184 if (params->vlan) { 1185 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1186 1187 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1188 sdata->vif.type != NL80211_IFTYPE_AP) 1189 return -EINVAL; 1190 } else 1191 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1192 1193 if (ether_addr_equal(mac, sdata->vif.addr)) 1194 return -EINVAL; 1195 1196 if (is_multicast_ether_addr(mac)) 1197 return -EINVAL; 1198 1199 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 1200 if (!sta) 1201 return -ENOMEM; 1202 1203 sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); 1204 sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); 1205 1206 err = sta_apply_parameters(local, sta, params); 1207 if (err) { 1208 sta_info_free(local, sta); 1209 return err; 1210 } 1211 1212 /* 1213 * for TDLS, rate control should be initialized only when supported 1214 * rates are known. 1215 */ 1216 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) 1217 rate_control_rate_init(sta); 1218 1219 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 1220 sdata->vif.type == NL80211_IFTYPE_AP; 1221 1222 err = sta_info_insert_rcu(sta); 1223 if (err) { 1224 rcu_read_unlock(); 1225 return err; 1226 } 1227 1228 if (layer2_update) 1229 ieee80211_send_layer2_update(sta); 1230 1231 rcu_read_unlock(); 1232 1233 return 0; 1234 } 1235 1236 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1237 u8 *mac) 1238 { 1239 struct ieee80211_local *local = wiphy_priv(wiphy); 1240 struct ieee80211_sub_if_data *sdata; 1241 1242 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1243 1244 if (mac) 1245 return sta_info_destroy_addr_bss(sdata, mac); 1246 1247 sta_info_flush(local, sdata); 1248 return 0; 1249 } 1250 1251 static int ieee80211_change_station(struct wiphy *wiphy, 1252 struct net_device *dev, 1253 u8 *mac, 1254 struct station_parameters *params) 1255 { 1256 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1257 struct ieee80211_local *local = wiphy_priv(wiphy); 1258 struct sta_info *sta; 1259 struct ieee80211_sub_if_data *vlansdata; 1260 int err; 1261 1262 mutex_lock(&local->sta_mtx); 1263 1264 sta = sta_info_get_bss(sdata, mac); 1265 if (!sta) { 1266 mutex_unlock(&local->sta_mtx); 1267 return -ENOENT; 1268 } 1269 1270 /* in station mode, supported rates are only valid with TDLS */ 1271 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1272 params->supported_rates && 1273 !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 1274 mutex_unlock(&local->sta_mtx); 1275 return -EINVAL; 1276 } 1277 1278 if (params->vlan && params->vlan != sta->sdata->dev) { 1279 bool prev_4addr = false; 1280 bool new_4addr = false; 1281 1282 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 1283 1284 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && 1285 vlansdata->vif.type != NL80211_IFTYPE_AP) { 1286 mutex_unlock(&local->sta_mtx); 1287 return -EINVAL; 1288 } 1289 1290 if (params->vlan->ieee80211_ptr->use_4addr) { 1291 if (vlansdata->u.vlan.sta) { 1292 mutex_unlock(&local->sta_mtx); 1293 return -EBUSY; 1294 } 1295 1296 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 1297 new_4addr = true; 1298 } 1299 1300 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && 1301 sta->sdata->u.vlan.sta) { 1302 rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); 1303 prev_4addr = true; 1304 } 1305 1306 sta->sdata = vlansdata; 1307 1308 if (sta->sta_state == IEEE80211_STA_AUTHORIZED && 1309 prev_4addr != new_4addr) { 1310 if (new_4addr) 1311 atomic_dec(&sta->sdata->bss->num_mcast_sta); 1312 else 1313 atomic_inc(&sta->sdata->bss->num_mcast_sta); 1314 } 1315 1316 ieee80211_send_layer2_update(sta); 1317 } 1318 1319 err = sta_apply_parameters(local, sta, params); 1320 if (err) { 1321 mutex_unlock(&local->sta_mtx); 1322 return err; 1323 } 1324 1325 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) 1326 rate_control_rate_init(sta); 1327 1328 mutex_unlock(&local->sta_mtx); 1329 1330 if (sdata->vif.type == NL80211_IFTYPE_STATION && 1331 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 1332 ieee80211_recalc_ps(local, -1); 1333 ieee80211_recalc_ps_vif(sdata); 1334 } 1335 return 0; 1336 } 1337 1338 #ifdef CONFIG_MAC80211_MESH 1339 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 1340 u8 *dst, u8 *next_hop) 1341 { 1342 struct ieee80211_sub_if_data *sdata; 1343 struct mesh_path *mpath; 1344 struct sta_info *sta; 1345 int err; 1346 1347 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1348 1349 rcu_read_lock(); 1350 sta = sta_info_get(sdata, next_hop); 1351 if (!sta) { 1352 rcu_read_unlock(); 1353 return -ENOENT; 1354 } 1355 1356 err = mesh_path_add(dst, sdata); 1357 if (err) { 1358 rcu_read_unlock(); 1359 return err; 1360 } 1361 1362 mpath = mesh_path_lookup(dst, sdata); 1363 if (!mpath) { 1364 rcu_read_unlock(); 1365 return -ENXIO; 1366 } 1367 mesh_path_fix_nexthop(mpath, sta); 1368 1369 rcu_read_unlock(); 1370 return 0; 1371 } 1372 1373 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 1374 u8 *dst) 1375 { 1376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1377 1378 if (dst) 1379 return mesh_path_del(dst, sdata); 1380 1381 mesh_path_flush_by_iface(sdata); 1382 return 0; 1383 } 1384 1385 static int ieee80211_change_mpath(struct wiphy *wiphy, 1386 struct net_device *dev, 1387 u8 *dst, u8 *next_hop) 1388 { 1389 struct ieee80211_sub_if_data *sdata; 1390 struct mesh_path *mpath; 1391 struct sta_info *sta; 1392 1393 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1394 1395 rcu_read_lock(); 1396 1397 sta = sta_info_get(sdata, next_hop); 1398 if (!sta) { 1399 rcu_read_unlock(); 1400 return -ENOENT; 1401 } 1402 1403 mpath = mesh_path_lookup(dst, sdata); 1404 if (!mpath) { 1405 rcu_read_unlock(); 1406 return -ENOENT; 1407 } 1408 1409 mesh_path_fix_nexthop(mpath, sta); 1410 1411 rcu_read_unlock(); 1412 return 0; 1413 } 1414 1415 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1416 struct mpath_info *pinfo) 1417 { 1418 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1419 1420 if (next_hop_sta) 1421 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1422 else 1423 memset(next_hop, 0, ETH_ALEN); 1424 1425 memset(pinfo, 0, sizeof(*pinfo)); 1426 1427 pinfo->generation = mesh_paths_generation; 1428 1429 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1430 MPATH_INFO_SN | 1431 MPATH_INFO_METRIC | 1432 MPATH_INFO_EXPTIME | 1433 MPATH_INFO_DISCOVERY_TIMEOUT | 1434 MPATH_INFO_DISCOVERY_RETRIES | 1435 MPATH_INFO_FLAGS; 1436 1437 pinfo->frame_qlen = mpath->frame_queue.qlen; 1438 pinfo->sn = mpath->sn; 1439 pinfo->metric = mpath->metric; 1440 if (time_before(jiffies, mpath->exp_time)) 1441 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1442 pinfo->discovery_timeout = 1443 jiffies_to_msecs(mpath->discovery_timeout); 1444 pinfo->discovery_retries = mpath->discovery_retries; 1445 if (mpath->flags & MESH_PATH_ACTIVE) 1446 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1447 if (mpath->flags & MESH_PATH_RESOLVING) 1448 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1449 if (mpath->flags & MESH_PATH_SN_VALID) 1450 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1451 if (mpath->flags & MESH_PATH_FIXED) 1452 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1453 if (mpath->flags & MESH_PATH_RESOLVED) 1454 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED; 1455 } 1456 1457 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1458 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1459 1460 { 1461 struct ieee80211_sub_if_data *sdata; 1462 struct mesh_path *mpath; 1463 1464 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1465 1466 rcu_read_lock(); 1467 mpath = mesh_path_lookup(dst, sdata); 1468 if (!mpath) { 1469 rcu_read_unlock(); 1470 return -ENOENT; 1471 } 1472 memcpy(dst, mpath->dst, ETH_ALEN); 1473 mpath_set_pinfo(mpath, next_hop, pinfo); 1474 rcu_read_unlock(); 1475 return 0; 1476 } 1477 1478 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1479 int idx, u8 *dst, u8 *next_hop, 1480 struct mpath_info *pinfo) 1481 { 1482 struct ieee80211_sub_if_data *sdata; 1483 struct mesh_path *mpath; 1484 1485 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1486 1487 rcu_read_lock(); 1488 mpath = mesh_path_lookup_by_idx(idx, sdata); 1489 if (!mpath) { 1490 rcu_read_unlock(); 1491 return -ENOENT; 1492 } 1493 memcpy(dst, mpath->dst, ETH_ALEN); 1494 mpath_set_pinfo(mpath, next_hop, pinfo); 1495 rcu_read_unlock(); 1496 return 0; 1497 } 1498 1499 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1500 struct net_device *dev, 1501 struct mesh_config *conf) 1502 { 1503 struct ieee80211_sub_if_data *sdata; 1504 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1505 1506 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1507 return 0; 1508 } 1509 1510 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1511 { 1512 return (mask >> (parm-1)) & 0x1; 1513 } 1514 1515 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1516 const struct mesh_setup *setup) 1517 { 1518 u8 *new_ie; 1519 const u8 *old_ie; 1520 struct ieee80211_sub_if_data *sdata = container_of(ifmsh, 1521 struct ieee80211_sub_if_data, u.mesh); 1522 1523 /* allocate information elements */ 1524 new_ie = NULL; 1525 old_ie = ifmsh->ie; 1526 1527 if (setup->ie_len) { 1528 new_ie = kmemdup(setup->ie, setup->ie_len, 1529 GFP_KERNEL); 1530 if (!new_ie) 1531 return -ENOMEM; 1532 } 1533 ifmsh->ie_len = setup->ie_len; 1534 ifmsh->ie = new_ie; 1535 kfree(old_ie); 1536 1537 /* now copy the rest of the setup parameters */ 1538 ifmsh->mesh_id_len = setup->mesh_id_len; 1539 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1540 ifmsh->mesh_sp_id = setup->sync_method; 1541 ifmsh->mesh_pp_id = setup->path_sel_proto; 1542 ifmsh->mesh_pm_id = setup->path_metric; 1543 ifmsh->security = IEEE80211_MESH_SEC_NONE; 1544 if (setup->is_authenticated) 1545 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 1546 if (setup->is_secure) 1547 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 1548 1549 /* mcast rate setting in Mesh Node */ 1550 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, 1551 sizeof(setup->mcast_rate)); 1552 1553 return 0; 1554 } 1555 1556 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1557 struct net_device *dev, u32 mask, 1558 const struct mesh_config *nconf) 1559 { 1560 struct mesh_config *conf; 1561 struct ieee80211_sub_if_data *sdata; 1562 struct ieee80211_if_mesh *ifmsh; 1563 1564 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1565 ifmsh = &sdata->u.mesh; 1566 1567 /* Set the config options which we are interested in setting */ 1568 conf = &(sdata->u.mesh.mshcfg); 1569 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1570 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1571 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1572 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1573 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1574 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1575 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1576 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1577 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1578 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1579 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1580 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1581 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1582 conf->element_ttl = nconf->element_ttl; 1583 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) 1584 conf->auto_open_plinks = nconf->auto_open_plinks; 1585 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) 1586 conf->dot11MeshNbrOffsetMaxNeighbor = 1587 nconf->dot11MeshNbrOffsetMaxNeighbor; 1588 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1589 conf->dot11MeshHWMPmaxPREQretries = 1590 nconf->dot11MeshHWMPmaxPREQretries; 1591 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1592 conf->path_refresh_time = nconf->path_refresh_time; 1593 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1594 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1595 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1596 conf->dot11MeshHWMPactivePathTimeout = 1597 nconf->dot11MeshHWMPactivePathTimeout; 1598 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1599 conf->dot11MeshHWMPpreqMinInterval = 1600 nconf->dot11MeshHWMPpreqMinInterval; 1601 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) 1602 conf->dot11MeshHWMPperrMinInterval = 1603 nconf->dot11MeshHWMPperrMinInterval; 1604 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1605 mask)) 1606 conf->dot11MeshHWMPnetDiameterTraversalTime = 1607 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1608 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1609 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1610 ieee80211_mesh_root_setup(ifmsh); 1611 } 1612 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 1613 /* our current gate announcement implementation rides on root 1614 * announcements, so require this ifmsh to also be a root node 1615 * */ 1616 if (nconf->dot11MeshGateAnnouncementProtocol && 1617 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { 1618 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; 1619 ieee80211_mesh_root_setup(ifmsh); 1620 } 1621 conf->dot11MeshGateAnnouncementProtocol = 1622 nconf->dot11MeshGateAnnouncementProtocol; 1623 } 1624 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) 1625 conf->dot11MeshHWMPRannInterval = 1626 nconf->dot11MeshHWMPRannInterval; 1627 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) 1628 conf->dot11MeshForwarding = nconf->dot11MeshForwarding; 1629 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { 1630 /* our RSSI threshold implementation is supported only for 1631 * devices that report signal in dBm. 1632 */ 1633 if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) 1634 return -ENOTSUPP; 1635 conf->rssi_threshold = nconf->rssi_threshold; 1636 } 1637 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { 1638 conf->ht_opmode = nconf->ht_opmode; 1639 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; 1640 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1641 } 1642 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) 1643 conf->dot11MeshHWMPactivePathToRootTimeout = 1644 nconf->dot11MeshHWMPactivePathToRootTimeout; 1645 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) 1646 conf->dot11MeshHWMProotInterval = 1647 nconf->dot11MeshHWMProotInterval; 1648 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) 1649 conf->dot11MeshHWMPconfirmationInterval = 1650 nconf->dot11MeshHWMPconfirmationInterval; 1651 return 0; 1652 } 1653 1654 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1655 const struct mesh_config *conf, 1656 const struct mesh_setup *setup) 1657 { 1658 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1659 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1660 int err; 1661 1662 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1663 err = copy_mesh_setup(ifmsh, setup); 1664 if (err) 1665 return err; 1666 1667 err = ieee80211_set_channel(wiphy, dev, setup->channel, 1668 setup->channel_type); 1669 if (err) 1670 return err; 1671 1672 ieee80211_start_mesh(sdata); 1673 1674 return 0; 1675 } 1676 1677 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 1678 { 1679 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1680 1681 ieee80211_stop_mesh(sdata); 1682 1683 return 0; 1684 } 1685 #endif 1686 1687 static int ieee80211_change_bss(struct wiphy *wiphy, 1688 struct net_device *dev, 1689 struct bss_parameters *params) 1690 { 1691 struct ieee80211_sub_if_data *sdata; 1692 u32 changed = 0; 1693 1694 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1695 1696 if (params->use_cts_prot >= 0) { 1697 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 1698 changed |= BSS_CHANGED_ERP_CTS_PROT; 1699 } 1700 if (params->use_short_preamble >= 0) { 1701 sdata->vif.bss_conf.use_short_preamble = 1702 params->use_short_preamble; 1703 changed |= BSS_CHANGED_ERP_PREAMBLE; 1704 } 1705 1706 if (!sdata->vif.bss_conf.use_short_slot && 1707 sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) { 1708 sdata->vif.bss_conf.use_short_slot = true; 1709 changed |= BSS_CHANGED_ERP_SLOT; 1710 } 1711 1712 if (params->use_short_slot_time >= 0) { 1713 sdata->vif.bss_conf.use_short_slot = 1714 params->use_short_slot_time; 1715 changed |= BSS_CHANGED_ERP_SLOT; 1716 } 1717 1718 if (params->basic_rates) { 1719 int i, j; 1720 u32 rates = 0; 1721 struct ieee80211_local *local = wiphy_priv(wiphy); 1722 struct ieee80211_supported_band *sband = 1723 wiphy->bands[local->oper_channel->band]; 1724 1725 for (i = 0; i < params->basic_rates_len; i++) { 1726 int rate = (params->basic_rates[i] & 0x7f) * 5; 1727 for (j = 0; j < sband->n_bitrates; j++) { 1728 if (sband->bitrates[j].bitrate == rate) 1729 rates |= BIT(j); 1730 } 1731 } 1732 sdata->vif.bss_conf.basic_rates = rates; 1733 changed |= BSS_CHANGED_BASIC_RATES; 1734 } 1735 1736 if (params->ap_isolate >= 0) { 1737 if (params->ap_isolate) 1738 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1739 else 1740 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1741 } 1742 1743 if (params->ht_opmode >= 0) { 1744 sdata->vif.bss_conf.ht_operation_mode = 1745 (u16) params->ht_opmode; 1746 changed |= BSS_CHANGED_HT; 1747 } 1748 1749 ieee80211_bss_info_change_notify(sdata, changed); 1750 1751 return 0; 1752 } 1753 1754 static int ieee80211_set_txq_params(struct wiphy *wiphy, 1755 struct net_device *dev, 1756 struct ieee80211_txq_params *params) 1757 { 1758 struct ieee80211_local *local = wiphy_priv(wiphy); 1759 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1760 struct ieee80211_tx_queue_params p; 1761 1762 if (!local->ops->conf_tx) 1763 return -EOPNOTSUPP; 1764 1765 if (local->hw.queues < IEEE80211_NUM_ACS) 1766 return -EOPNOTSUPP; 1767 1768 memset(&p, 0, sizeof(p)); 1769 p.aifs = params->aifs; 1770 p.cw_max = params->cwmax; 1771 p.cw_min = params->cwmin; 1772 p.txop = params->txop; 1773 1774 /* 1775 * Setting tx queue params disables u-apsd because it's only 1776 * called in master mode. 1777 */ 1778 p.uapsd = false; 1779 1780 sdata->tx_conf[params->ac] = p; 1781 if (drv_conf_tx(local, sdata, params->ac, &p)) { 1782 wiphy_debug(local->hw.wiphy, 1783 "failed to set TX queue parameters for AC %d\n", 1784 params->ac); 1785 return -EINVAL; 1786 } 1787 1788 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); 1789 1790 return 0; 1791 } 1792 1793 #ifdef CONFIG_PM 1794 static int ieee80211_suspend(struct wiphy *wiphy, 1795 struct cfg80211_wowlan *wowlan) 1796 { 1797 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 1798 } 1799 1800 static int ieee80211_resume(struct wiphy *wiphy) 1801 { 1802 return __ieee80211_resume(wiphy_priv(wiphy)); 1803 } 1804 #else 1805 #define ieee80211_suspend NULL 1806 #define ieee80211_resume NULL 1807 #endif 1808 1809 static int ieee80211_scan(struct wiphy *wiphy, 1810 struct cfg80211_scan_request *req) 1811 { 1812 struct ieee80211_sub_if_data *sdata; 1813 1814 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); 1815 1816 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 1817 case NL80211_IFTYPE_STATION: 1818 case NL80211_IFTYPE_ADHOC: 1819 case NL80211_IFTYPE_MESH_POINT: 1820 case NL80211_IFTYPE_P2P_CLIENT: 1821 case NL80211_IFTYPE_P2P_DEVICE: 1822 break; 1823 case NL80211_IFTYPE_P2P_GO: 1824 if (sdata->local->ops->hw_scan) 1825 break; 1826 /* 1827 * FIXME: implement NoA while scanning in software, 1828 * for now fall through to allow scanning only when 1829 * beaconing hasn't been configured yet 1830 */ 1831 case NL80211_IFTYPE_AP: 1832 if (sdata->u.ap.beacon) 1833 return -EOPNOTSUPP; 1834 break; 1835 default: 1836 return -EOPNOTSUPP; 1837 } 1838 1839 return ieee80211_request_scan(sdata, req); 1840 } 1841 1842 static int 1843 ieee80211_sched_scan_start(struct wiphy *wiphy, 1844 struct net_device *dev, 1845 struct cfg80211_sched_scan_request *req) 1846 { 1847 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1848 1849 if (!sdata->local->ops->sched_scan_start) 1850 return -EOPNOTSUPP; 1851 1852 return ieee80211_request_sched_scan_start(sdata, req); 1853 } 1854 1855 static int 1856 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) 1857 { 1858 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1859 1860 if (!sdata->local->ops->sched_scan_stop) 1861 return -EOPNOTSUPP; 1862 1863 return ieee80211_request_sched_scan_stop(sdata); 1864 } 1865 1866 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 1867 struct cfg80211_auth_request *req) 1868 { 1869 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 1870 } 1871 1872 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 1873 struct cfg80211_assoc_request *req) 1874 { 1875 struct ieee80211_local *local = wiphy_priv(wiphy); 1876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1877 1878 switch (ieee80211_get_channel_mode(local, sdata)) { 1879 case CHAN_MODE_HOPPING: 1880 return -EBUSY; 1881 case CHAN_MODE_FIXED: 1882 if (local->oper_channel == req->bss->channel) 1883 break; 1884 return -EBUSY; 1885 case CHAN_MODE_UNDEFINED: 1886 break; 1887 } 1888 1889 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 1890 } 1891 1892 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 1893 struct cfg80211_deauth_request *req) 1894 { 1895 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); 1896 } 1897 1898 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 1899 struct cfg80211_disassoc_request *req) 1900 { 1901 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 1902 } 1903 1904 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 1905 struct cfg80211_ibss_params *params) 1906 { 1907 struct ieee80211_local *local = wiphy_priv(wiphy); 1908 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1909 1910 switch (ieee80211_get_channel_mode(local, sdata)) { 1911 case CHAN_MODE_HOPPING: 1912 return -EBUSY; 1913 case CHAN_MODE_FIXED: 1914 if (!params->channel_fixed) 1915 return -EBUSY; 1916 if (local->oper_channel == params->channel) 1917 break; 1918 return -EBUSY; 1919 case CHAN_MODE_UNDEFINED: 1920 break; 1921 } 1922 1923 return ieee80211_ibss_join(sdata, params); 1924 } 1925 1926 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 1927 { 1928 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1929 1930 return ieee80211_ibss_leave(sdata); 1931 } 1932 1933 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1934 { 1935 struct ieee80211_local *local = wiphy_priv(wiphy); 1936 int err; 1937 1938 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 1939 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 1940 1941 if (err) 1942 return err; 1943 } 1944 1945 if (changed & WIPHY_PARAM_COVERAGE_CLASS) { 1946 err = drv_set_coverage_class(local, wiphy->coverage_class); 1947 1948 if (err) 1949 return err; 1950 } 1951 1952 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1953 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 1954 1955 if (err) 1956 return err; 1957 } 1958 1959 if (changed & WIPHY_PARAM_RETRY_SHORT) 1960 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 1961 if (changed & WIPHY_PARAM_RETRY_LONG) 1962 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 1963 if (changed & 1964 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 1965 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 1966 1967 return 0; 1968 } 1969 1970 static int ieee80211_set_tx_power(struct wiphy *wiphy, 1971 enum nl80211_tx_power_setting type, int mbm) 1972 { 1973 struct ieee80211_local *local = wiphy_priv(wiphy); 1974 struct ieee80211_channel *chan = local->oper_channel; 1975 u32 changes = 0; 1976 1977 switch (type) { 1978 case NL80211_TX_POWER_AUTOMATIC: 1979 local->user_power_level = -1; 1980 break; 1981 case NL80211_TX_POWER_LIMITED: 1982 if (mbm < 0 || (mbm % 100)) 1983 return -EOPNOTSUPP; 1984 local->user_power_level = MBM_TO_DBM(mbm); 1985 break; 1986 case NL80211_TX_POWER_FIXED: 1987 if (mbm < 0 || (mbm % 100)) 1988 return -EOPNOTSUPP; 1989 /* TODO: move to cfg80211 when it knows the channel */ 1990 if (MBM_TO_DBM(mbm) > chan->max_power) 1991 return -EINVAL; 1992 local->user_power_level = MBM_TO_DBM(mbm); 1993 break; 1994 } 1995 1996 ieee80211_hw_config(local, changes); 1997 1998 return 0; 1999 } 2000 2001 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) 2002 { 2003 struct ieee80211_local *local = wiphy_priv(wiphy); 2004 2005 *dbm = local->hw.conf.power_level; 2006 2007 return 0; 2008 } 2009 2010 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 2011 const u8 *addr) 2012 { 2013 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2014 2015 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 2016 2017 return 0; 2018 } 2019 2020 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 2021 { 2022 struct ieee80211_local *local = wiphy_priv(wiphy); 2023 2024 drv_rfkill_poll(local); 2025 } 2026 2027 #ifdef CONFIG_NL80211_TESTMODE 2028 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) 2029 { 2030 struct ieee80211_local *local = wiphy_priv(wiphy); 2031 2032 if (!local->ops->testmode_cmd) 2033 return -EOPNOTSUPP; 2034 2035 return local->ops->testmode_cmd(&local->hw, data, len); 2036 } 2037 2038 static int ieee80211_testmode_dump(struct wiphy *wiphy, 2039 struct sk_buff *skb, 2040 struct netlink_callback *cb, 2041 void *data, int len) 2042 { 2043 struct ieee80211_local *local = wiphy_priv(wiphy); 2044 2045 if (!local->ops->testmode_dump) 2046 return -EOPNOTSUPP; 2047 2048 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 2049 } 2050 #endif 2051 2052 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 2053 enum ieee80211_smps_mode smps_mode) 2054 { 2055 const u8 *ap; 2056 enum ieee80211_smps_mode old_req; 2057 int err; 2058 2059 lockdep_assert_held(&sdata->u.mgd.mtx); 2060 2061 old_req = sdata->u.mgd.req_smps; 2062 sdata->u.mgd.req_smps = smps_mode; 2063 2064 if (old_req == smps_mode && 2065 smps_mode != IEEE80211_SMPS_AUTOMATIC) 2066 return 0; 2067 2068 /* 2069 * If not associated, or current association is not an HT 2070 * association, there's no need to send an action frame. 2071 */ 2072 if (!sdata->u.mgd.associated || 2073 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { 2074 ieee80211_recalc_smps(sdata->local); 2075 return 0; 2076 } 2077 2078 ap = sdata->u.mgd.associated->bssid; 2079 2080 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 2081 if (sdata->u.mgd.powersave) 2082 smps_mode = IEEE80211_SMPS_DYNAMIC; 2083 else 2084 smps_mode = IEEE80211_SMPS_OFF; 2085 } 2086 2087 /* send SM PS frame to AP */ 2088 err = ieee80211_send_smps_action(sdata, smps_mode, 2089 ap, ap); 2090 if (err) 2091 sdata->u.mgd.req_smps = old_req; 2092 2093 return err; 2094 } 2095 2096 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 2097 bool enabled, int timeout) 2098 { 2099 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2100 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2101 2102 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2103 return -EOPNOTSUPP; 2104 2105 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) 2106 return -EOPNOTSUPP; 2107 2108 if (enabled == sdata->u.mgd.powersave && 2109 timeout == local->dynamic_ps_forced_timeout) 2110 return 0; 2111 2112 sdata->u.mgd.powersave = enabled; 2113 local->dynamic_ps_forced_timeout = timeout; 2114 2115 /* no change, but if automatic follow powersave */ 2116 mutex_lock(&sdata->u.mgd.mtx); 2117 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); 2118 mutex_unlock(&sdata->u.mgd.mtx); 2119 2120 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) 2121 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 2122 2123 ieee80211_recalc_ps(local, -1); 2124 ieee80211_recalc_ps_vif(sdata); 2125 2126 return 0; 2127 } 2128 2129 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 2130 struct net_device *dev, 2131 s32 rssi_thold, u32 rssi_hyst) 2132 { 2133 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2134 struct ieee80211_vif *vif = &sdata->vif; 2135 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 2136 2137 if (rssi_thold == bss_conf->cqm_rssi_thold && 2138 rssi_hyst == bss_conf->cqm_rssi_hyst) 2139 return 0; 2140 2141 bss_conf->cqm_rssi_thold = rssi_thold; 2142 bss_conf->cqm_rssi_hyst = rssi_hyst; 2143 2144 /* tell the driver upon association, unless already associated */ 2145 if (sdata->u.mgd.associated && 2146 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) 2147 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 2148 2149 return 0; 2150 } 2151 2152 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 2153 struct net_device *dev, 2154 const u8 *addr, 2155 const struct cfg80211_bitrate_mask *mask) 2156 { 2157 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2158 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 2159 int i, ret; 2160 2161 if (!ieee80211_sdata_running(sdata)) 2162 return -ENETDOWN; 2163 2164 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { 2165 ret = drv_set_bitrate_mask(local, sdata, mask); 2166 if (ret) 2167 return ret; 2168 } 2169 2170 for (i = 0; i < IEEE80211_NUM_BANDS; i++) { 2171 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 2172 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, 2173 sizeof(mask->control[i].mcs)); 2174 } 2175 2176 return 0; 2177 } 2178 2179 static int ieee80211_start_roc_work(struct ieee80211_local *local, 2180 struct ieee80211_sub_if_data *sdata, 2181 struct ieee80211_channel *channel, 2182 enum nl80211_channel_type channel_type, 2183 unsigned int duration, u64 *cookie, 2184 struct sk_buff *txskb) 2185 { 2186 struct ieee80211_roc_work *roc, *tmp; 2187 bool queued = false; 2188 int ret; 2189 2190 lockdep_assert_held(&local->mtx); 2191 2192 roc = kzalloc(sizeof(*roc), GFP_KERNEL); 2193 if (!roc) 2194 return -ENOMEM; 2195 2196 roc->chan = channel; 2197 roc->chan_type = channel_type; 2198 roc->duration = duration; 2199 roc->req_duration = duration; 2200 roc->frame = txskb; 2201 roc->mgmt_tx_cookie = (unsigned long)txskb; 2202 roc->sdata = sdata; 2203 INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); 2204 INIT_LIST_HEAD(&roc->dependents); 2205 2206 /* if there's one pending or we're scanning, queue this one */ 2207 if (!list_empty(&local->roc_list) || local->scanning) 2208 goto out_check_combine; 2209 2210 /* if not HW assist, just queue & schedule work */ 2211 if (!local->ops->remain_on_channel) { 2212 ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); 2213 goto out_queue; 2214 } 2215 2216 /* otherwise actually kick it off here (for error handling) */ 2217 2218 /* 2219 * If the duration is zero, then the driver 2220 * wouldn't actually do anything. Set it to 2221 * 10 for now. 2222 * 2223 * TODO: cancel the off-channel operation 2224 * when we get the SKB's TX status and 2225 * the wait time was zero before. 2226 */ 2227 if (!duration) 2228 duration = 10; 2229 2230 ret = drv_remain_on_channel(local, channel, channel_type, duration); 2231 if (ret) { 2232 kfree(roc); 2233 return ret; 2234 } 2235 2236 roc->started = true; 2237 goto out_queue; 2238 2239 out_check_combine: 2240 list_for_each_entry(tmp, &local->roc_list, list) { 2241 if (tmp->chan != channel || tmp->chan_type != channel_type) 2242 continue; 2243 2244 /* 2245 * Extend this ROC if possible: 2246 * 2247 * If it hasn't started yet, just increase the duration 2248 * and add the new one to the list of dependents. 2249 */ 2250 if (!tmp->started) { 2251 list_add_tail(&roc->list, &tmp->dependents); 2252 tmp->duration = max(tmp->duration, roc->duration); 2253 queued = true; 2254 break; 2255 } 2256 2257 /* If it has already started, it's more difficult ... */ 2258 if (local->ops->remain_on_channel) { 2259 unsigned long j = jiffies; 2260 2261 /* 2262 * In the offloaded ROC case, if it hasn't begun, add 2263 * this new one to the dependent list to be handled 2264 * when the the master one begins. If it has begun, 2265 * check that there's still a minimum time left and 2266 * if so, start this one, transmitting the frame, but 2267 * add it to the list directly after this one with a 2268 * a reduced time so we'll ask the driver to execute 2269 * it right after finishing the previous one, in the 2270 * hope that it'll also be executed right afterwards, 2271 * effectively extending the old one. 2272 * If there's no minimum time left, just add it to the 2273 * normal list. 2274 */ 2275 if (!tmp->hw_begun) { 2276 list_add_tail(&roc->list, &tmp->dependents); 2277 queued = true; 2278 break; 2279 } 2280 2281 if (time_before(j + IEEE80211_ROC_MIN_LEFT, 2282 tmp->hw_start_time + 2283 msecs_to_jiffies(tmp->duration))) { 2284 int new_dur; 2285 2286 ieee80211_handle_roc_started(roc); 2287 2288 new_dur = roc->duration - 2289 jiffies_to_msecs(tmp->hw_start_time + 2290 msecs_to_jiffies( 2291 tmp->duration) - 2292 j); 2293 2294 if (new_dur > 0) { 2295 /* add right after tmp */ 2296 list_add(&roc->list, &tmp->list); 2297 } else { 2298 list_add_tail(&roc->list, 2299 &tmp->dependents); 2300 } 2301 queued = true; 2302 } 2303 } else if (del_timer_sync(&tmp->work.timer)) { 2304 unsigned long new_end; 2305 2306 /* 2307 * In the software ROC case, cancel the timer, if 2308 * that fails then the finish work is already 2309 * queued/pending and thus we queue the new ROC 2310 * normally, if that succeeds then we can extend 2311 * the timer duration and TX the frame (if any.) 2312 */ 2313 2314 list_add_tail(&roc->list, &tmp->dependents); 2315 queued = true; 2316 2317 new_end = jiffies + msecs_to_jiffies(roc->duration); 2318 2319 /* ok, it was started & we canceled timer */ 2320 if (time_after(new_end, tmp->work.timer.expires)) 2321 mod_timer(&tmp->work.timer, new_end); 2322 else 2323 add_timer(&tmp->work.timer); 2324 2325 ieee80211_handle_roc_started(roc); 2326 } 2327 break; 2328 } 2329 2330 out_queue: 2331 if (!queued) 2332 list_add_tail(&roc->list, &local->roc_list); 2333 2334 /* 2335 * cookie is either the roc (for normal roc) 2336 * or the SKB (for mgmt TX) 2337 */ 2338 if (txskb) 2339 *cookie = (unsigned long)txskb; 2340 else 2341 *cookie = (unsigned long)roc; 2342 2343 return 0; 2344 } 2345 2346 static int ieee80211_remain_on_channel(struct wiphy *wiphy, 2347 struct wireless_dev *wdev, 2348 struct ieee80211_channel *chan, 2349 enum nl80211_channel_type channel_type, 2350 unsigned int duration, 2351 u64 *cookie) 2352 { 2353 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2354 struct ieee80211_local *local = sdata->local; 2355 int ret; 2356 2357 mutex_lock(&local->mtx); 2358 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, 2359 duration, cookie, NULL); 2360 mutex_unlock(&local->mtx); 2361 2362 return ret; 2363 } 2364 2365 static int ieee80211_cancel_roc(struct ieee80211_local *local, 2366 u64 cookie, bool mgmt_tx) 2367 { 2368 struct ieee80211_roc_work *roc, *tmp, *found = NULL; 2369 int ret; 2370 2371 mutex_lock(&local->mtx); 2372 list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { 2373 struct ieee80211_roc_work *dep, *tmp2; 2374 2375 list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { 2376 if (!mgmt_tx && (unsigned long)dep != cookie) 2377 continue; 2378 else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) 2379 continue; 2380 /* found dependent item -- just remove it */ 2381 list_del(&dep->list); 2382 mutex_unlock(&local->mtx); 2383 2384 ieee80211_roc_notify_destroy(dep); 2385 return 0; 2386 } 2387 2388 if (!mgmt_tx && (unsigned long)roc != cookie) 2389 continue; 2390 else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) 2391 continue; 2392 2393 found = roc; 2394 break; 2395 } 2396 2397 if (!found) { 2398 mutex_unlock(&local->mtx); 2399 return -ENOENT; 2400 } 2401 2402 /* 2403 * We found the item to cancel, so do that. Note that it 2404 * may have dependents, which we also cancel (and send 2405 * the expired signal for.) Not doing so would be quite 2406 * tricky here, but we may need to fix it later. 2407 */ 2408 2409 if (local->ops->remain_on_channel) { 2410 if (found->started) { 2411 ret = drv_cancel_remain_on_channel(local); 2412 if (WARN_ON_ONCE(ret)) { 2413 mutex_unlock(&local->mtx); 2414 return ret; 2415 } 2416 } 2417 2418 list_del(&found->list); 2419 2420 if (found->started) 2421 ieee80211_start_next_roc(local); 2422 mutex_unlock(&local->mtx); 2423 2424 ieee80211_roc_notify_destroy(found); 2425 } else { 2426 /* work may be pending so use it all the time */ 2427 found->abort = true; 2428 ieee80211_queue_delayed_work(&local->hw, &found->work, 0); 2429 2430 mutex_unlock(&local->mtx); 2431 2432 /* work will clean up etc */ 2433 flush_delayed_work(&found->work); 2434 } 2435 2436 return 0; 2437 } 2438 2439 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 2440 struct wireless_dev *wdev, 2441 u64 cookie) 2442 { 2443 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2444 struct ieee80211_local *local = sdata->local; 2445 2446 return ieee80211_cancel_roc(local, cookie, false); 2447 } 2448 2449 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 2450 struct ieee80211_channel *chan, bool offchan, 2451 enum nl80211_channel_type channel_type, 2452 bool channel_type_valid, unsigned int wait, 2453 const u8 *buf, size_t len, bool no_cck, 2454 bool dont_wait_for_ack, u64 *cookie) 2455 { 2456 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2457 struct ieee80211_local *local = sdata->local; 2458 struct sk_buff *skb; 2459 struct sta_info *sta; 2460 const struct ieee80211_mgmt *mgmt = (void *)buf; 2461 bool need_offchan = false; 2462 u32 flags; 2463 int ret; 2464 2465 if (dont_wait_for_ack) 2466 flags = IEEE80211_TX_CTL_NO_ACK; 2467 else 2468 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | 2469 IEEE80211_TX_CTL_REQ_TX_STATUS; 2470 2471 if (no_cck) 2472 flags |= IEEE80211_TX_CTL_NO_CCK_RATE; 2473 2474 switch (sdata->vif.type) { 2475 case NL80211_IFTYPE_ADHOC: 2476 if (!sdata->vif.bss_conf.ibss_joined) 2477 need_offchan = true; 2478 /* fall through */ 2479 #ifdef CONFIG_MAC80211_MESH 2480 case NL80211_IFTYPE_MESH_POINT: 2481 if (ieee80211_vif_is_mesh(&sdata->vif) && 2482 !sdata->u.mesh.mesh_id_len) 2483 need_offchan = true; 2484 /* fall through */ 2485 #endif 2486 case NL80211_IFTYPE_AP: 2487 case NL80211_IFTYPE_AP_VLAN: 2488 case NL80211_IFTYPE_P2P_GO: 2489 if (sdata->vif.type != NL80211_IFTYPE_ADHOC && 2490 !ieee80211_vif_is_mesh(&sdata->vif) && 2491 !rcu_access_pointer(sdata->bss->beacon)) 2492 need_offchan = true; 2493 if (!ieee80211_is_action(mgmt->frame_control) || 2494 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) 2495 break; 2496 rcu_read_lock(); 2497 sta = sta_info_get(sdata, mgmt->da); 2498 rcu_read_unlock(); 2499 if (!sta) 2500 return -ENOLINK; 2501 break; 2502 case NL80211_IFTYPE_STATION: 2503 case NL80211_IFTYPE_P2P_CLIENT: 2504 if (!sdata->u.mgd.associated) 2505 need_offchan = true; 2506 break; 2507 case NL80211_IFTYPE_P2P_DEVICE: 2508 need_offchan = true; 2509 break; 2510 default: 2511 return -EOPNOTSUPP; 2512 } 2513 2514 mutex_lock(&local->mtx); 2515 2516 /* Check if the operating channel is the requested channel */ 2517 if (!need_offchan) { 2518 need_offchan = chan != local->oper_channel; 2519 if (channel_type_valid && 2520 channel_type != local->_oper_channel_type) 2521 need_offchan = true; 2522 } 2523 2524 if (need_offchan && !offchan) { 2525 ret = -EBUSY; 2526 goto out_unlock; 2527 } 2528 2529 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); 2530 if (!skb) { 2531 ret = -ENOMEM; 2532 goto out_unlock; 2533 } 2534 skb_reserve(skb, local->hw.extra_tx_headroom); 2535 2536 memcpy(skb_put(skb, len), buf, len); 2537 2538 IEEE80211_SKB_CB(skb)->flags = flags; 2539 2540 skb->dev = sdata->dev; 2541 2542 if (!need_offchan) { 2543 *cookie = (unsigned long) skb; 2544 ieee80211_tx_skb(sdata, skb); 2545 ret = 0; 2546 goto out_unlock; 2547 } 2548 2549 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; 2550 if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) 2551 IEEE80211_SKB_CB(skb)->hw_queue = 2552 local->hw.offchannel_tx_hw_queue; 2553 2554 /* This will handle all kinds of coalescing and immediate TX */ 2555 ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, 2556 wait, cookie, skb); 2557 if (ret) 2558 kfree_skb(skb); 2559 out_unlock: 2560 mutex_unlock(&local->mtx); 2561 return ret; 2562 } 2563 2564 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 2565 struct wireless_dev *wdev, 2566 u64 cookie) 2567 { 2568 struct ieee80211_local *local = wiphy_priv(wiphy); 2569 2570 return ieee80211_cancel_roc(local, cookie, true); 2571 } 2572 2573 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 2574 struct wireless_dev *wdev, 2575 u16 frame_type, bool reg) 2576 { 2577 struct ieee80211_local *local = wiphy_priv(wiphy); 2578 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); 2579 2580 switch (frame_type) { 2581 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: 2582 if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { 2583 struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; 2584 2585 if (reg) 2586 ifibss->auth_frame_registrations++; 2587 else 2588 ifibss->auth_frame_registrations--; 2589 } 2590 break; 2591 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: 2592 if (reg) 2593 local->probe_req_reg++; 2594 else 2595 local->probe_req_reg--; 2596 2597 ieee80211_queue_work(&local->hw, &local->reconfig_filter); 2598 break; 2599 default: 2600 break; 2601 } 2602 } 2603 2604 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 2605 { 2606 struct ieee80211_local *local = wiphy_priv(wiphy); 2607 2608 if (local->started) 2609 return -EOPNOTSUPP; 2610 2611 return drv_set_antenna(local, tx_ant, rx_ant); 2612 } 2613 2614 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 2615 { 2616 struct ieee80211_local *local = wiphy_priv(wiphy); 2617 2618 return drv_get_antenna(local, tx_ant, rx_ant); 2619 } 2620 2621 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) 2622 { 2623 struct ieee80211_local *local = wiphy_priv(wiphy); 2624 2625 return drv_set_ringparam(local, tx, rx); 2626 } 2627 2628 static void ieee80211_get_ringparam(struct wiphy *wiphy, 2629 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) 2630 { 2631 struct ieee80211_local *local = wiphy_priv(wiphy); 2632 2633 drv_get_ringparam(local, tx, tx_max, rx, rx_max); 2634 } 2635 2636 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 2637 struct net_device *dev, 2638 struct cfg80211_gtk_rekey_data *data) 2639 { 2640 struct ieee80211_local *local = wiphy_priv(wiphy); 2641 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2642 2643 if (!local->ops->set_rekey_data) 2644 return -EOPNOTSUPP; 2645 2646 drv_set_rekey_data(local, sdata, data); 2647 2648 return 0; 2649 } 2650 2651 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) 2652 { 2653 u8 *pos = (void *)skb_put(skb, 7); 2654 2655 *pos++ = WLAN_EID_EXT_CAPABILITY; 2656 *pos++ = 5; /* len */ 2657 *pos++ = 0x0; 2658 *pos++ = 0x0; 2659 *pos++ = 0x0; 2660 *pos++ = 0x0; 2661 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; 2662 } 2663 2664 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) 2665 { 2666 struct ieee80211_local *local = sdata->local; 2667 u16 capab; 2668 2669 capab = 0; 2670 if (local->oper_channel->band != IEEE80211_BAND_2GHZ) 2671 return capab; 2672 2673 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) 2674 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; 2675 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) 2676 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; 2677 2678 return capab; 2679 } 2680 2681 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, 2682 u8 *peer, u8 *bssid) 2683 { 2684 struct ieee80211_tdls_lnkie *lnkid; 2685 2686 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); 2687 2688 lnkid->ie_type = WLAN_EID_LINK_ID; 2689 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; 2690 2691 memcpy(lnkid->bssid, bssid, ETH_ALEN); 2692 memcpy(lnkid->init_sta, src_addr, ETH_ALEN); 2693 memcpy(lnkid->resp_sta, peer, ETH_ALEN); 2694 } 2695 2696 static int 2697 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, 2698 u8 *peer, u8 action_code, u8 dialog_token, 2699 u16 status_code, struct sk_buff *skb) 2700 { 2701 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2702 struct ieee80211_local *local = sdata->local; 2703 struct ieee80211_tdls_data *tf; 2704 2705 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); 2706 2707 memcpy(tf->da, peer, ETH_ALEN); 2708 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); 2709 tf->ether_type = cpu_to_be16(ETH_P_TDLS); 2710 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; 2711 2712 switch (action_code) { 2713 case WLAN_TDLS_SETUP_REQUEST: 2714 tf->category = WLAN_CATEGORY_TDLS; 2715 tf->action_code = WLAN_TDLS_SETUP_REQUEST; 2716 2717 skb_put(skb, sizeof(tf->u.setup_req)); 2718 tf->u.setup_req.dialog_token = dialog_token; 2719 tf->u.setup_req.capability = 2720 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2721 2722 ieee80211_add_srates_ie(sdata, skb, false, 2723 local->oper_channel->band); 2724 ieee80211_add_ext_srates_ie(sdata, skb, false, 2725 local->oper_channel->band); 2726 ieee80211_tdls_add_ext_capab(skb); 2727 break; 2728 case WLAN_TDLS_SETUP_RESPONSE: 2729 tf->category = WLAN_CATEGORY_TDLS; 2730 tf->action_code = WLAN_TDLS_SETUP_RESPONSE; 2731 2732 skb_put(skb, sizeof(tf->u.setup_resp)); 2733 tf->u.setup_resp.status_code = cpu_to_le16(status_code); 2734 tf->u.setup_resp.dialog_token = dialog_token; 2735 tf->u.setup_resp.capability = 2736 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2737 2738 ieee80211_add_srates_ie(sdata, skb, false, 2739 local->oper_channel->band); 2740 ieee80211_add_ext_srates_ie(sdata, skb, false, 2741 local->oper_channel->band); 2742 ieee80211_tdls_add_ext_capab(skb); 2743 break; 2744 case WLAN_TDLS_SETUP_CONFIRM: 2745 tf->category = WLAN_CATEGORY_TDLS; 2746 tf->action_code = WLAN_TDLS_SETUP_CONFIRM; 2747 2748 skb_put(skb, sizeof(tf->u.setup_cfm)); 2749 tf->u.setup_cfm.status_code = cpu_to_le16(status_code); 2750 tf->u.setup_cfm.dialog_token = dialog_token; 2751 break; 2752 case WLAN_TDLS_TEARDOWN: 2753 tf->category = WLAN_CATEGORY_TDLS; 2754 tf->action_code = WLAN_TDLS_TEARDOWN; 2755 2756 skb_put(skb, sizeof(tf->u.teardown)); 2757 tf->u.teardown.reason_code = cpu_to_le16(status_code); 2758 break; 2759 case WLAN_TDLS_DISCOVERY_REQUEST: 2760 tf->category = WLAN_CATEGORY_TDLS; 2761 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; 2762 2763 skb_put(skb, sizeof(tf->u.discover_req)); 2764 tf->u.discover_req.dialog_token = dialog_token; 2765 break; 2766 default: 2767 return -EINVAL; 2768 } 2769 2770 return 0; 2771 } 2772 2773 static int 2774 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, 2775 u8 *peer, u8 action_code, u8 dialog_token, 2776 u16 status_code, struct sk_buff *skb) 2777 { 2778 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2779 struct ieee80211_local *local = sdata->local; 2780 struct ieee80211_mgmt *mgmt; 2781 2782 mgmt = (void *)skb_put(skb, 24); 2783 memset(mgmt, 0, 24); 2784 memcpy(mgmt->da, peer, ETH_ALEN); 2785 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); 2786 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); 2787 2788 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2789 IEEE80211_STYPE_ACTION); 2790 2791 switch (action_code) { 2792 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2793 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); 2794 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; 2795 mgmt->u.action.u.tdls_discover_resp.action_code = 2796 WLAN_PUB_ACTION_TDLS_DISCOVER_RES; 2797 mgmt->u.action.u.tdls_discover_resp.dialog_token = 2798 dialog_token; 2799 mgmt->u.action.u.tdls_discover_resp.capability = 2800 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2801 2802 ieee80211_add_srates_ie(sdata, skb, false, 2803 local->oper_channel->band); 2804 ieee80211_add_ext_srates_ie(sdata, skb, false, 2805 local->oper_channel->band); 2806 ieee80211_tdls_add_ext_capab(skb); 2807 break; 2808 default: 2809 return -EINVAL; 2810 } 2811 2812 return 0; 2813 } 2814 2815 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 2816 u8 *peer, u8 action_code, u8 dialog_token, 2817 u16 status_code, const u8 *extra_ies, 2818 size_t extra_ies_len) 2819 { 2820 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2821 struct ieee80211_local *local = sdata->local; 2822 struct ieee80211_tx_info *info; 2823 struct sk_buff *skb = NULL; 2824 bool send_direct; 2825 int ret; 2826 2827 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 2828 return -ENOTSUPP; 2829 2830 /* make sure we are in managed mode, and associated */ 2831 if (sdata->vif.type != NL80211_IFTYPE_STATION || 2832 !sdata->u.mgd.associated) 2833 return -EINVAL; 2834 2835 tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", 2836 action_code, peer); 2837 2838 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 2839 max(sizeof(struct ieee80211_mgmt), 2840 sizeof(struct ieee80211_tdls_data)) + 2841 50 + /* supported rates */ 2842 7 + /* ext capab */ 2843 extra_ies_len + 2844 sizeof(struct ieee80211_tdls_lnkie)); 2845 if (!skb) 2846 return -ENOMEM; 2847 2848 info = IEEE80211_SKB_CB(skb); 2849 skb_reserve(skb, local->hw.extra_tx_headroom); 2850 2851 switch (action_code) { 2852 case WLAN_TDLS_SETUP_REQUEST: 2853 case WLAN_TDLS_SETUP_RESPONSE: 2854 case WLAN_TDLS_SETUP_CONFIRM: 2855 case WLAN_TDLS_TEARDOWN: 2856 case WLAN_TDLS_DISCOVERY_REQUEST: 2857 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, 2858 action_code, dialog_token, 2859 status_code, skb); 2860 send_direct = false; 2861 break; 2862 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2863 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, 2864 dialog_token, status_code, 2865 skb); 2866 send_direct = true; 2867 break; 2868 default: 2869 ret = -ENOTSUPP; 2870 break; 2871 } 2872 2873 if (ret < 0) 2874 goto fail; 2875 2876 if (extra_ies_len) 2877 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); 2878 2879 /* the TDLS link IE is always added last */ 2880 switch (action_code) { 2881 case WLAN_TDLS_SETUP_REQUEST: 2882 case WLAN_TDLS_SETUP_CONFIRM: 2883 case WLAN_TDLS_TEARDOWN: 2884 case WLAN_TDLS_DISCOVERY_REQUEST: 2885 /* we are the initiator */ 2886 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, 2887 sdata->u.mgd.bssid); 2888 break; 2889 case WLAN_TDLS_SETUP_RESPONSE: 2890 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2891 /* we are the responder */ 2892 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, 2893 sdata->u.mgd.bssid); 2894 break; 2895 default: 2896 ret = -ENOTSUPP; 2897 goto fail; 2898 } 2899 2900 if (send_direct) { 2901 ieee80211_tx_skb(sdata, skb); 2902 return 0; 2903 } 2904 2905 /* 2906 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise 2907 * we should default to AC_VI. 2908 */ 2909 switch (action_code) { 2910 case WLAN_TDLS_SETUP_REQUEST: 2911 case WLAN_TDLS_SETUP_RESPONSE: 2912 skb_set_queue_mapping(skb, IEEE80211_AC_BK); 2913 skb->priority = 2; 2914 break; 2915 default: 2916 skb_set_queue_mapping(skb, IEEE80211_AC_VI); 2917 skb->priority = 5; 2918 break; 2919 } 2920 2921 /* disable bottom halves when entering the Tx path */ 2922 local_bh_disable(); 2923 ret = ieee80211_subif_start_xmit(skb, dev); 2924 local_bh_enable(); 2925 2926 return ret; 2927 2928 fail: 2929 dev_kfree_skb(skb); 2930 return ret; 2931 } 2932 2933 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 2934 u8 *peer, enum nl80211_tdls_operation oper) 2935 { 2936 struct sta_info *sta; 2937 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2938 2939 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 2940 return -ENOTSUPP; 2941 2942 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2943 return -EINVAL; 2944 2945 tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); 2946 2947 switch (oper) { 2948 case NL80211_TDLS_ENABLE_LINK: 2949 rcu_read_lock(); 2950 sta = sta_info_get(sdata, peer); 2951 if (!sta) { 2952 rcu_read_unlock(); 2953 return -ENOLINK; 2954 } 2955 2956 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); 2957 rcu_read_unlock(); 2958 break; 2959 case NL80211_TDLS_DISABLE_LINK: 2960 return sta_info_destroy_addr(sdata, peer); 2961 case NL80211_TDLS_TEARDOWN: 2962 case NL80211_TDLS_SETUP: 2963 case NL80211_TDLS_DISCOVERY_REQ: 2964 /* We don't support in-driver setup/teardown/discovery */ 2965 return -ENOTSUPP; 2966 default: 2967 return -ENOTSUPP; 2968 } 2969 2970 return 0; 2971 } 2972 2973 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, 2974 const u8 *peer, u64 *cookie) 2975 { 2976 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2977 struct ieee80211_local *local = sdata->local; 2978 struct ieee80211_qos_hdr *nullfunc; 2979 struct sk_buff *skb; 2980 int size = sizeof(*nullfunc); 2981 __le16 fc; 2982 bool qos; 2983 struct ieee80211_tx_info *info; 2984 struct sta_info *sta; 2985 2986 rcu_read_lock(); 2987 sta = sta_info_get(sdata, peer); 2988 if (sta) { 2989 qos = test_sta_flag(sta, WLAN_STA_WME); 2990 rcu_read_unlock(); 2991 } else { 2992 rcu_read_unlock(); 2993 return -ENOLINK; 2994 } 2995 2996 if (qos) { 2997 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 2998 IEEE80211_STYPE_QOS_NULLFUNC | 2999 IEEE80211_FCTL_FROMDS); 3000 } else { 3001 size -= 2; 3002 fc = cpu_to_le16(IEEE80211_FTYPE_DATA | 3003 IEEE80211_STYPE_NULLFUNC | 3004 IEEE80211_FCTL_FROMDS); 3005 } 3006 3007 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); 3008 if (!skb) 3009 return -ENOMEM; 3010 3011 skb->dev = dev; 3012 3013 skb_reserve(skb, local->hw.extra_tx_headroom); 3014 3015 nullfunc = (void *) skb_put(skb, size); 3016 nullfunc->frame_control = fc; 3017 nullfunc->duration_id = 0; 3018 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); 3019 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); 3020 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); 3021 nullfunc->seq_ctrl = 0; 3022 3023 info = IEEE80211_SKB_CB(skb); 3024 3025 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | 3026 IEEE80211_TX_INTFL_NL80211_FRAME_TX; 3027 3028 skb_set_queue_mapping(skb, IEEE80211_AC_VO); 3029 skb->priority = 7; 3030 if (qos) 3031 nullfunc->qos_ctrl = cpu_to_le16(7); 3032 3033 local_bh_disable(); 3034 ieee80211_xmit(sdata, skb); 3035 local_bh_enable(); 3036 3037 *cookie = (unsigned long) skb; 3038 return 0; 3039 } 3040 3041 static struct ieee80211_channel * 3042 ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, 3043 enum nl80211_channel_type *type) 3044 { 3045 struct ieee80211_local *local = wiphy_priv(wiphy); 3046 3047 *type = local->_oper_channel_type; 3048 return local->oper_channel; 3049 } 3050 3051 #ifdef CONFIG_PM 3052 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) 3053 { 3054 drv_set_wakeup(wiphy_priv(wiphy), enabled); 3055 } 3056 #endif 3057 3058 struct cfg80211_ops mac80211_config_ops = { 3059 .add_virtual_intf = ieee80211_add_iface, 3060 .del_virtual_intf = ieee80211_del_iface, 3061 .change_virtual_intf = ieee80211_change_iface, 3062 .start_p2p_device = ieee80211_start_p2p_device, 3063 .stop_p2p_device = ieee80211_stop_p2p_device, 3064 .add_key = ieee80211_add_key, 3065 .del_key = ieee80211_del_key, 3066 .get_key = ieee80211_get_key, 3067 .set_default_key = ieee80211_config_default_key, 3068 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 3069 .start_ap = ieee80211_start_ap, 3070 .change_beacon = ieee80211_change_beacon, 3071 .stop_ap = ieee80211_stop_ap, 3072 .add_station = ieee80211_add_station, 3073 .del_station = ieee80211_del_station, 3074 .change_station = ieee80211_change_station, 3075 .get_station = ieee80211_get_station, 3076 .dump_station = ieee80211_dump_station, 3077 .dump_survey = ieee80211_dump_survey, 3078 #ifdef CONFIG_MAC80211_MESH 3079 .add_mpath = ieee80211_add_mpath, 3080 .del_mpath = ieee80211_del_mpath, 3081 .change_mpath = ieee80211_change_mpath, 3082 .get_mpath = ieee80211_get_mpath, 3083 .dump_mpath = ieee80211_dump_mpath, 3084 .update_mesh_config = ieee80211_update_mesh_config, 3085 .get_mesh_config = ieee80211_get_mesh_config, 3086 .join_mesh = ieee80211_join_mesh, 3087 .leave_mesh = ieee80211_leave_mesh, 3088 #endif 3089 .change_bss = ieee80211_change_bss, 3090 .set_txq_params = ieee80211_set_txq_params, 3091 .set_monitor_channel = ieee80211_set_monitor_channel, 3092 .suspend = ieee80211_suspend, 3093 .resume = ieee80211_resume, 3094 .scan = ieee80211_scan, 3095 .sched_scan_start = ieee80211_sched_scan_start, 3096 .sched_scan_stop = ieee80211_sched_scan_stop, 3097 .auth = ieee80211_auth, 3098 .assoc = ieee80211_assoc, 3099 .deauth = ieee80211_deauth, 3100 .disassoc = ieee80211_disassoc, 3101 .join_ibss = ieee80211_join_ibss, 3102 .leave_ibss = ieee80211_leave_ibss, 3103 .set_wiphy_params = ieee80211_set_wiphy_params, 3104 .set_tx_power = ieee80211_set_tx_power, 3105 .get_tx_power = ieee80211_get_tx_power, 3106 .set_wds_peer = ieee80211_set_wds_peer, 3107 .rfkill_poll = ieee80211_rfkill_poll, 3108 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 3109 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 3110 .set_power_mgmt = ieee80211_set_power_mgmt, 3111 .set_bitrate_mask = ieee80211_set_bitrate_mask, 3112 .remain_on_channel = ieee80211_remain_on_channel, 3113 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 3114 .mgmt_tx = ieee80211_mgmt_tx, 3115 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 3116 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 3117 .mgmt_frame_register = ieee80211_mgmt_frame_register, 3118 .set_antenna = ieee80211_set_antenna, 3119 .get_antenna = ieee80211_get_antenna, 3120 .set_ringparam = ieee80211_set_ringparam, 3121 .get_ringparam = ieee80211_get_ringparam, 3122 .set_rekey_data = ieee80211_set_rekey_data, 3123 .tdls_oper = ieee80211_tdls_oper, 3124 .tdls_mgmt = ieee80211_tdls_mgmt, 3125 .probe_client = ieee80211_probe_client, 3126 .set_noack_map = ieee80211_set_noack_map, 3127 #ifdef CONFIG_PM 3128 .set_wakeup = ieee80211_set_wakeup, 3129 #endif 3130 .get_et_sset_count = ieee80211_get_et_sset_count, 3131 .get_et_stats = ieee80211_get_et_stats, 3132 .get_et_strings = ieee80211_get_et_strings, 3133 .get_channel = ieee80211_cfg_get_channel, 3134 }; 3135