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