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 net_device *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 net_device *dev; 30 struct ieee80211_sub_if_data *sdata; 31 int err; 32 33 err = ieee80211_if_add(local, name, &dev, type, params); 34 if (err) 35 return ERR_PTR(err); 36 37 if (type == NL80211_IFTYPE_MONITOR && flags) { 38 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 39 sdata->u.mntr_flags = *flags; 40 } 41 42 return dev; 43 } 44 45 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) 46 { 47 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); 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_add_key(struct wiphy *wiphy, struct net_device *dev, 106 u8 key_idx, bool pairwise, const u8 *mac_addr, 107 struct key_params *params) 108 { 109 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 110 struct sta_info *sta = NULL; 111 struct ieee80211_key *key; 112 int err; 113 114 if (!ieee80211_sdata_running(sdata)) 115 return -ENETDOWN; 116 117 /* reject WEP and TKIP keys if WEP failed to initialize */ 118 switch (params->cipher) { 119 case WLAN_CIPHER_SUITE_WEP40: 120 case WLAN_CIPHER_SUITE_TKIP: 121 case WLAN_CIPHER_SUITE_WEP104: 122 if (IS_ERR(sdata->local->wep_tx_tfm)) 123 return -EINVAL; 124 break; 125 default: 126 break; 127 } 128 129 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 130 params->key, params->seq_len, params->seq); 131 if (IS_ERR(key)) 132 return PTR_ERR(key); 133 134 if (pairwise) 135 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 136 137 mutex_lock(&sdata->local->sta_mtx); 138 139 if (mac_addr) { 140 if (ieee80211_vif_is_mesh(&sdata->vif)) 141 sta = sta_info_get(sdata, mac_addr); 142 else 143 sta = sta_info_get_bss(sdata, mac_addr); 144 if (!sta) { 145 ieee80211_key_free(sdata->local, key); 146 err = -ENOENT; 147 goto out_unlock; 148 } 149 } 150 151 err = ieee80211_key_link(key, sdata, sta); 152 if (err) 153 ieee80211_key_free(sdata->local, key); 154 155 out_unlock: 156 mutex_unlock(&sdata->local->sta_mtx); 157 158 return err; 159 } 160 161 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 162 u8 key_idx, bool pairwise, const u8 *mac_addr) 163 { 164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 165 struct ieee80211_local *local = sdata->local; 166 struct sta_info *sta; 167 struct ieee80211_key *key = NULL; 168 int ret; 169 170 mutex_lock(&local->sta_mtx); 171 mutex_lock(&local->key_mtx); 172 173 if (mac_addr) { 174 ret = -ENOENT; 175 176 sta = sta_info_get_bss(sdata, mac_addr); 177 if (!sta) 178 goto out_unlock; 179 180 if (pairwise) 181 key = key_mtx_dereference(local, sta->ptk); 182 else 183 key = key_mtx_dereference(local, sta->gtk[key_idx]); 184 } else 185 key = key_mtx_dereference(local, sdata->keys[key_idx]); 186 187 if (!key) { 188 ret = -ENOENT; 189 goto out_unlock; 190 } 191 192 __ieee80211_key_free(key); 193 194 ret = 0; 195 out_unlock: 196 mutex_unlock(&local->key_mtx); 197 mutex_unlock(&local->sta_mtx); 198 199 return ret; 200 } 201 202 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 203 u8 key_idx, bool pairwise, const u8 *mac_addr, 204 void *cookie, 205 void (*callback)(void *cookie, 206 struct key_params *params)) 207 { 208 struct ieee80211_sub_if_data *sdata; 209 struct sta_info *sta = NULL; 210 u8 seq[6] = {0}; 211 struct key_params params; 212 struct ieee80211_key *key = NULL; 213 u64 pn64; 214 u32 iv32; 215 u16 iv16; 216 int err = -ENOENT; 217 218 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 219 220 rcu_read_lock(); 221 222 if (mac_addr) { 223 sta = sta_info_get_bss(sdata, mac_addr); 224 if (!sta) 225 goto out; 226 227 if (pairwise) 228 key = rcu_dereference(sta->ptk); 229 else if (key_idx < NUM_DEFAULT_KEYS) 230 key = rcu_dereference(sta->gtk[key_idx]); 231 } else 232 key = rcu_dereference(sdata->keys[key_idx]); 233 234 if (!key) 235 goto out; 236 237 memset(¶ms, 0, sizeof(params)); 238 239 params.cipher = key->conf.cipher; 240 241 switch (key->conf.cipher) { 242 case WLAN_CIPHER_SUITE_TKIP: 243 iv32 = key->u.tkip.tx.iv32; 244 iv16 = key->u.tkip.tx.iv16; 245 246 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) 247 drv_get_tkip_seq(sdata->local, 248 key->conf.hw_key_idx, 249 &iv32, &iv16); 250 251 seq[0] = iv16 & 0xff; 252 seq[1] = (iv16 >> 8) & 0xff; 253 seq[2] = iv32 & 0xff; 254 seq[3] = (iv32 >> 8) & 0xff; 255 seq[4] = (iv32 >> 16) & 0xff; 256 seq[5] = (iv32 >> 24) & 0xff; 257 params.seq = seq; 258 params.seq_len = 6; 259 break; 260 case WLAN_CIPHER_SUITE_CCMP: 261 pn64 = atomic64_read(&key->u.ccmp.tx_pn); 262 seq[0] = pn64; 263 seq[1] = pn64 >> 8; 264 seq[2] = pn64 >> 16; 265 seq[3] = pn64 >> 24; 266 seq[4] = pn64 >> 32; 267 seq[5] = pn64 >> 40; 268 params.seq = seq; 269 params.seq_len = 6; 270 break; 271 case WLAN_CIPHER_SUITE_AES_CMAC: 272 pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); 273 seq[0] = pn64; 274 seq[1] = pn64 >> 8; 275 seq[2] = pn64 >> 16; 276 seq[3] = pn64 >> 24; 277 seq[4] = pn64 >> 32; 278 seq[5] = pn64 >> 40; 279 params.seq = seq; 280 params.seq_len = 6; 281 break; 282 } 283 284 params.key = key->conf.key; 285 params.key_len = key->conf.keylen; 286 287 callback(cookie, ¶ms); 288 err = 0; 289 290 out: 291 rcu_read_unlock(); 292 return err; 293 } 294 295 static int ieee80211_config_default_key(struct wiphy *wiphy, 296 struct net_device *dev, 297 u8 key_idx, bool uni, 298 bool multi) 299 { 300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 301 302 ieee80211_set_default_key(sdata, key_idx, uni, multi); 303 304 return 0; 305 } 306 307 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 308 struct net_device *dev, 309 u8 key_idx) 310 { 311 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 312 313 ieee80211_set_default_mgmt_key(sdata, key_idx); 314 315 return 0; 316 } 317 318 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) 319 { 320 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { 321 struct ieee80211_supported_band *sband; 322 sband = sta->local->hw.wiphy->bands[ 323 sta->local->hw.conf.channel->band]; 324 rate->legacy = sband->bitrates[idx].bitrate; 325 } else 326 rate->mcs = idx; 327 } 328 329 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) 330 { 331 struct ieee80211_sub_if_data *sdata = sta->sdata; 332 struct timespec uptime; 333 334 sinfo->generation = sdata->local->sta_generation; 335 336 sinfo->filled = STATION_INFO_INACTIVE_TIME | 337 STATION_INFO_RX_BYTES | 338 STATION_INFO_TX_BYTES | 339 STATION_INFO_RX_PACKETS | 340 STATION_INFO_TX_PACKETS | 341 STATION_INFO_TX_RETRIES | 342 STATION_INFO_TX_FAILED | 343 STATION_INFO_TX_BITRATE | 344 STATION_INFO_RX_BITRATE | 345 STATION_INFO_RX_DROP_MISC | 346 STATION_INFO_BSS_PARAM | 347 STATION_INFO_CONNECTED_TIME | 348 STATION_INFO_STA_FLAGS; 349 350 do_posix_clock_monotonic_gettime(&uptime); 351 sinfo->connected_time = uptime.tv_sec - sta->last_connected; 352 353 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); 354 sinfo->rx_bytes = sta->rx_bytes; 355 sinfo->tx_bytes = sta->tx_bytes; 356 sinfo->rx_packets = sta->rx_packets; 357 sinfo->tx_packets = sta->tx_packets; 358 sinfo->tx_retries = sta->tx_retry_count; 359 sinfo->tx_failed = sta->tx_retry_failed; 360 sinfo->rx_dropped_misc = sta->rx_dropped; 361 362 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || 363 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { 364 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; 365 sinfo->signal = (s8)sta->last_signal; 366 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); 367 } 368 369 sinfo->txrate.flags = 0; 370 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) 371 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 372 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 373 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 374 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) 375 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 376 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); 377 378 sinfo->rxrate.flags = 0; 379 if (sta->last_rx_rate_flag & RX_FLAG_HT) 380 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; 381 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) 382 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 383 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) 384 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 385 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); 386 387 if (ieee80211_vif_is_mesh(&sdata->vif)) { 388 #ifdef CONFIG_MAC80211_MESH 389 sinfo->filled |= STATION_INFO_LLID | 390 STATION_INFO_PLID | 391 STATION_INFO_PLINK_STATE; 392 393 sinfo->llid = le16_to_cpu(sta->llid); 394 sinfo->plid = le16_to_cpu(sta->plid); 395 sinfo->plink_state = sta->plink_state; 396 #endif 397 } 398 399 sinfo->bss_param.flags = 0; 400 if (sdata->vif.bss_conf.use_cts_prot) 401 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; 402 if (sdata->vif.bss_conf.use_short_preamble) 403 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; 404 if (sdata->vif.bss_conf.use_short_slot) 405 sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 406 sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; 407 sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; 408 409 sinfo->sta_flags.set = 0; 410 sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | 411 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | 412 BIT(NL80211_STA_FLAG_WME) | 413 BIT(NL80211_STA_FLAG_MFP) | 414 BIT(NL80211_STA_FLAG_AUTHENTICATED); 415 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) 416 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); 417 if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) 418 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); 419 if (test_sta_flag(sta, WLAN_STA_WME)) 420 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); 421 if (test_sta_flag(sta, WLAN_STA_MFP)) 422 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); 423 if (test_sta_flag(sta, WLAN_STA_AUTH)) 424 sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); 425 } 426 427 428 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 429 int idx, u8 *mac, struct station_info *sinfo) 430 { 431 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 432 struct sta_info *sta; 433 int ret = -ENOENT; 434 435 rcu_read_lock(); 436 437 sta = sta_info_get_by_idx(sdata, idx); 438 if (sta) { 439 ret = 0; 440 memcpy(mac, sta->sta.addr, ETH_ALEN); 441 sta_set_sinfo(sta, sinfo); 442 } 443 444 rcu_read_unlock(); 445 446 return ret; 447 } 448 449 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 450 int idx, struct survey_info *survey) 451 { 452 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 453 454 return drv_get_survey(local, idx, survey); 455 } 456 457 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 458 u8 *mac, struct station_info *sinfo) 459 { 460 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 461 struct sta_info *sta; 462 int ret = -ENOENT; 463 464 rcu_read_lock(); 465 466 sta = sta_info_get_bss(sdata, mac); 467 if (sta) { 468 ret = 0; 469 sta_set_sinfo(sta, sinfo); 470 } 471 472 rcu_read_unlock(); 473 474 return ret; 475 } 476 477 static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, 478 struct beacon_parameters *params) 479 { 480 struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; 481 482 bss_conf->ssid_len = params->ssid_len; 483 484 if (params->ssid_len) 485 memcpy(bss_conf->ssid, params->ssid, params->ssid_len); 486 487 bss_conf->hidden_ssid = 488 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); 489 } 490 491 /* 492 * This handles both adding a beacon and setting new beacon info 493 */ 494 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, 495 struct beacon_parameters *params) 496 { 497 struct beacon_data *new, *old; 498 int new_head_len, new_tail_len; 499 int size; 500 int err = -EINVAL; 501 502 old = rtnl_dereference(sdata->u.ap.beacon); 503 504 /* head must not be zero-length */ 505 if (params->head && !params->head_len) 506 return -EINVAL; 507 508 /* 509 * This is a kludge. beacon interval should really be part 510 * of the beacon information. 511 */ 512 if (params->interval && 513 (sdata->vif.bss_conf.beacon_int != params->interval)) { 514 sdata->vif.bss_conf.beacon_int = params->interval; 515 ieee80211_bss_info_change_notify(sdata, 516 BSS_CHANGED_BEACON_INT); 517 } 518 519 /* Need to have a beacon head if we don't have one yet */ 520 if (!params->head && !old) 521 return err; 522 523 /* sorry, no way to start beaconing without dtim period */ 524 if (!params->dtim_period && !old) 525 return err; 526 527 /* new or old head? */ 528 if (params->head) 529 new_head_len = params->head_len; 530 else 531 new_head_len = old->head_len; 532 533 /* new or old tail? */ 534 if (params->tail || !old) 535 /* params->tail_len will be zero for !params->tail */ 536 new_tail_len = params->tail_len; 537 else 538 new_tail_len = old->tail_len; 539 540 size = sizeof(*new) + new_head_len + new_tail_len; 541 542 new = kzalloc(size, GFP_KERNEL); 543 if (!new) 544 return -ENOMEM; 545 546 /* start filling the new info now */ 547 548 /* new or old dtim period? */ 549 if (params->dtim_period) 550 new->dtim_period = params->dtim_period; 551 else 552 new->dtim_period = old->dtim_period; 553 554 /* 555 * pointers go into the block we allocated, 556 * memory is | beacon_data | head | tail | 557 */ 558 new->head = ((u8 *) new) + sizeof(*new); 559 new->tail = new->head + new_head_len; 560 new->head_len = new_head_len; 561 new->tail_len = new_tail_len; 562 563 /* copy in head */ 564 if (params->head) 565 memcpy(new->head, params->head, new_head_len); 566 else 567 memcpy(new->head, old->head, new_head_len); 568 569 /* copy in optional tail */ 570 if (params->tail) 571 memcpy(new->tail, params->tail, new_tail_len); 572 else 573 if (old) 574 memcpy(new->tail, old->tail, new_tail_len); 575 576 sdata->vif.bss_conf.dtim_period = new->dtim_period; 577 578 RCU_INIT_POINTER(sdata->u.ap.beacon, new); 579 580 synchronize_rcu(); 581 582 kfree(old); 583 584 ieee80211_config_ap_ssid(sdata, params); 585 586 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | 587 BSS_CHANGED_BEACON | 588 BSS_CHANGED_SSID); 589 return 0; 590 } 591 592 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, 593 struct beacon_parameters *params) 594 { 595 struct ieee80211_sub_if_data *sdata; 596 struct beacon_data *old; 597 598 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 599 600 old = rtnl_dereference(sdata->u.ap.beacon); 601 if (old) 602 return -EALREADY; 603 604 return ieee80211_config_beacon(sdata, params); 605 } 606 607 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, 608 struct beacon_parameters *params) 609 { 610 struct ieee80211_sub_if_data *sdata; 611 struct beacon_data *old; 612 613 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 614 615 old = rtnl_dereference(sdata->u.ap.beacon); 616 if (!old) 617 return -ENOENT; 618 619 return ieee80211_config_beacon(sdata, params); 620 } 621 622 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) 623 { 624 struct ieee80211_sub_if_data *sdata; 625 struct beacon_data *old; 626 627 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 628 629 old = rtnl_dereference(sdata->u.ap.beacon); 630 if (!old) 631 return -ENOENT; 632 633 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); 634 synchronize_rcu(); 635 kfree(old); 636 637 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 638 return 0; 639 } 640 641 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 642 struct iapp_layer2_update { 643 u8 da[ETH_ALEN]; /* broadcast */ 644 u8 sa[ETH_ALEN]; /* STA addr */ 645 __be16 len; /* 6 */ 646 u8 dsap; /* 0 */ 647 u8 ssap; /* 0 */ 648 u8 control; 649 u8 xid_info[3]; 650 } __packed; 651 652 static void ieee80211_send_layer2_update(struct sta_info *sta) 653 { 654 struct iapp_layer2_update *msg; 655 struct sk_buff *skb; 656 657 /* Send Level 2 Update Frame to update forwarding tables in layer 2 658 * bridge devices */ 659 660 skb = dev_alloc_skb(sizeof(*msg)); 661 if (!skb) 662 return; 663 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 664 665 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 666 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 667 668 memset(msg->da, 0xff, ETH_ALEN); 669 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 670 msg->len = htons(6); 671 msg->dsap = 0; 672 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 673 msg->control = 0xaf; /* XID response lsb.1111F101. 674 * F=0 (no poll command; unsolicited frame) */ 675 msg->xid_info[0] = 0x81; /* XID format identifier */ 676 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 677 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 678 679 skb->dev = sta->sdata->dev; 680 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 681 memset(skb->cb, 0, sizeof(skb->cb)); 682 netif_rx_ni(skb); 683 } 684 685 static void sta_apply_parameters(struct ieee80211_local *local, 686 struct sta_info *sta, 687 struct station_parameters *params) 688 { 689 u32 rates; 690 int i, j; 691 struct ieee80211_supported_band *sband; 692 struct ieee80211_sub_if_data *sdata = sta->sdata; 693 u32 mask, set; 694 695 sband = local->hw.wiphy->bands[local->oper_channel->band]; 696 697 mask = params->sta_flags_mask; 698 set = params->sta_flags_set; 699 700 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 701 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 702 set_sta_flag(sta, WLAN_STA_AUTHORIZED); 703 else 704 clear_sta_flag(sta, WLAN_STA_AUTHORIZED); 705 } 706 707 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 708 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 709 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 710 else 711 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); 712 } 713 714 if (mask & BIT(NL80211_STA_FLAG_WME)) { 715 if (set & BIT(NL80211_STA_FLAG_WME)) { 716 set_sta_flag(sta, WLAN_STA_WME); 717 sta->sta.wme = true; 718 } else { 719 clear_sta_flag(sta, WLAN_STA_WME); 720 sta->sta.wme = false; 721 } 722 } 723 724 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 725 if (set & BIT(NL80211_STA_FLAG_MFP)) 726 set_sta_flag(sta, WLAN_STA_MFP); 727 else 728 clear_sta_flag(sta, WLAN_STA_MFP); 729 } 730 731 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { 732 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) 733 set_sta_flag(sta, WLAN_STA_AUTH); 734 else 735 clear_sta_flag(sta, WLAN_STA_AUTH); 736 } 737 738 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { 739 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) 740 set_sta_flag(sta, WLAN_STA_TDLS_PEER); 741 else 742 clear_sta_flag(sta, WLAN_STA_TDLS_PEER); 743 } 744 745 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { 746 sta->sta.uapsd_queues = params->uapsd_queues; 747 sta->sta.max_sp = params->max_sp; 748 } 749 750 /* 751 * cfg80211 validates this (1-2007) and allows setting the AID 752 * only when creating a new station entry 753 */ 754 if (params->aid) 755 sta->sta.aid = params->aid; 756 757 /* 758 * FIXME: updating the following information is racy when this 759 * function is called from ieee80211_change_station(). 760 * However, all this information should be static so 761 * maybe we should just reject attemps to change it. 762 */ 763 764 if (params->listen_interval >= 0) 765 sta->listen_interval = params->listen_interval; 766 767 if (params->supported_rates) { 768 rates = 0; 769 770 for (i = 0; i < params->supported_rates_len; i++) { 771 int rate = (params->supported_rates[i] & 0x7f) * 5; 772 for (j = 0; j < sband->n_bitrates; j++) { 773 if (sband->bitrates[j].bitrate == rate) 774 rates |= BIT(j); 775 } 776 } 777 sta->sta.supp_rates[local->oper_channel->band] = rates; 778 } 779 780 if (params->ht_capa) 781 ieee80211_ht_cap_ie_to_sta_ht_cap(sband, 782 params->ht_capa, 783 &sta->sta.ht_cap); 784 785 if (ieee80211_vif_is_mesh(&sdata->vif)) { 786 #ifdef CONFIG_MAC80211_MESH 787 if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) 788 switch (params->plink_state) { 789 case NL80211_PLINK_LISTEN: 790 case NL80211_PLINK_ESTAB: 791 case NL80211_PLINK_BLOCKED: 792 sta->plink_state = params->plink_state; 793 break; 794 default: 795 /* nothing */ 796 break; 797 } 798 else 799 switch (params->plink_action) { 800 case PLINK_ACTION_OPEN: 801 mesh_plink_open(sta); 802 break; 803 case PLINK_ACTION_BLOCK: 804 mesh_plink_block(sta); 805 break; 806 } 807 #endif 808 } 809 } 810 811 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 812 u8 *mac, struct station_parameters *params) 813 { 814 struct ieee80211_local *local = wiphy_priv(wiphy); 815 struct sta_info *sta; 816 struct ieee80211_sub_if_data *sdata; 817 int err; 818 int layer2_update; 819 820 if (params->vlan) { 821 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 822 823 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 824 sdata->vif.type != NL80211_IFTYPE_AP) 825 return -EINVAL; 826 } else 827 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 828 829 if (compare_ether_addr(mac, sdata->vif.addr) == 0) 830 return -EINVAL; 831 832 if (is_multicast_ether_addr(mac)) 833 return -EINVAL; 834 835 /* Only TDLS-supporting stations can add TDLS peers */ 836 if ((params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && 837 !((wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) && 838 sdata->vif.type == NL80211_IFTYPE_STATION)) 839 return -ENOTSUPP; 840 841 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 842 if (!sta) 843 return -ENOMEM; 844 845 set_sta_flag(sta, WLAN_STA_AUTH); 846 set_sta_flag(sta, WLAN_STA_ASSOC); 847 848 sta_apply_parameters(local, sta, params); 849 850 rate_control_rate_init(sta); 851 852 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 853 sdata->vif.type == NL80211_IFTYPE_AP; 854 855 err = sta_info_insert_rcu(sta); 856 if (err) { 857 rcu_read_unlock(); 858 return err; 859 } 860 861 if (layer2_update) 862 ieee80211_send_layer2_update(sta); 863 864 rcu_read_unlock(); 865 866 return 0; 867 } 868 869 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 870 u8 *mac) 871 { 872 struct ieee80211_local *local = wiphy_priv(wiphy); 873 struct ieee80211_sub_if_data *sdata; 874 875 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 876 877 if (mac) 878 return sta_info_destroy_addr_bss(sdata, mac); 879 880 sta_info_flush(local, sdata); 881 return 0; 882 } 883 884 static int ieee80211_change_station(struct wiphy *wiphy, 885 struct net_device *dev, 886 u8 *mac, 887 struct station_parameters *params) 888 { 889 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 890 struct ieee80211_local *local = wiphy_priv(wiphy); 891 struct sta_info *sta; 892 struct ieee80211_sub_if_data *vlansdata; 893 894 rcu_read_lock(); 895 896 sta = sta_info_get_bss(sdata, mac); 897 if (!sta) { 898 rcu_read_unlock(); 899 return -ENOENT; 900 } 901 902 /* The TDLS bit cannot be toggled after the STA was added */ 903 if ((params->sta_flags_mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) && 904 !!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) != 905 !!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { 906 rcu_read_unlock(); 907 return -EINVAL; 908 } 909 910 if (params->vlan && params->vlan != sta->sdata->dev) { 911 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 912 913 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && 914 vlansdata->vif.type != NL80211_IFTYPE_AP) { 915 rcu_read_unlock(); 916 return -EINVAL; 917 } 918 919 if (params->vlan->ieee80211_ptr->use_4addr) { 920 if (vlansdata->u.vlan.sta) { 921 rcu_read_unlock(); 922 return -EBUSY; 923 } 924 925 RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta); 926 } 927 928 sta->sdata = vlansdata; 929 ieee80211_send_layer2_update(sta); 930 } 931 932 sta_apply_parameters(local, sta, params); 933 934 rcu_read_unlock(); 935 936 if (sdata->vif.type == NL80211_IFTYPE_STATION && 937 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) 938 ieee80211_recalc_ps(local, -1); 939 940 return 0; 941 } 942 943 #ifdef CONFIG_MAC80211_MESH 944 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 945 u8 *dst, u8 *next_hop) 946 { 947 struct ieee80211_sub_if_data *sdata; 948 struct mesh_path *mpath; 949 struct sta_info *sta; 950 int err; 951 952 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 953 954 rcu_read_lock(); 955 sta = sta_info_get(sdata, next_hop); 956 if (!sta) { 957 rcu_read_unlock(); 958 return -ENOENT; 959 } 960 961 err = mesh_path_add(dst, sdata); 962 if (err) { 963 rcu_read_unlock(); 964 return err; 965 } 966 967 mpath = mesh_path_lookup(dst, sdata); 968 if (!mpath) { 969 rcu_read_unlock(); 970 return -ENXIO; 971 } 972 mesh_path_fix_nexthop(mpath, sta); 973 974 rcu_read_unlock(); 975 return 0; 976 } 977 978 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 979 u8 *dst) 980 { 981 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 982 983 if (dst) 984 return mesh_path_del(dst, sdata); 985 986 mesh_path_flush_by_iface(sdata); 987 return 0; 988 } 989 990 static int ieee80211_change_mpath(struct wiphy *wiphy, 991 struct net_device *dev, 992 u8 *dst, u8 *next_hop) 993 { 994 struct ieee80211_sub_if_data *sdata; 995 struct mesh_path *mpath; 996 struct sta_info *sta; 997 998 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 999 1000 rcu_read_lock(); 1001 1002 sta = sta_info_get(sdata, next_hop); 1003 if (!sta) { 1004 rcu_read_unlock(); 1005 return -ENOENT; 1006 } 1007 1008 mpath = mesh_path_lookup(dst, sdata); 1009 if (!mpath) { 1010 rcu_read_unlock(); 1011 return -ENOENT; 1012 } 1013 1014 mesh_path_fix_nexthop(mpath, sta); 1015 1016 rcu_read_unlock(); 1017 return 0; 1018 } 1019 1020 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 1021 struct mpath_info *pinfo) 1022 { 1023 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); 1024 1025 if (next_hop_sta) 1026 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); 1027 else 1028 memset(next_hop, 0, ETH_ALEN); 1029 1030 pinfo->generation = mesh_paths_generation; 1031 1032 pinfo->filled = MPATH_INFO_FRAME_QLEN | 1033 MPATH_INFO_SN | 1034 MPATH_INFO_METRIC | 1035 MPATH_INFO_EXPTIME | 1036 MPATH_INFO_DISCOVERY_TIMEOUT | 1037 MPATH_INFO_DISCOVERY_RETRIES | 1038 MPATH_INFO_FLAGS; 1039 1040 pinfo->frame_qlen = mpath->frame_queue.qlen; 1041 pinfo->sn = mpath->sn; 1042 pinfo->metric = mpath->metric; 1043 if (time_before(jiffies, mpath->exp_time)) 1044 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 1045 pinfo->discovery_timeout = 1046 jiffies_to_msecs(mpath->discovery_timeout); 1047 pinfo->discovery_retries = mpath->discovery_retries; 1048 pinfo->flags = 0; 1049 if (mpath->flags & MESH_PATH_ACTIVE) 1050 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 1051 if (mpath->flags & MESH_PATH_RESOLVING) 1052 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1053 if (mpath->flags & MESH_PATH_SN_VALID) 1054 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 1055 if (mpath->flags & MESH_PATH_FIXED) 1056 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 1057 if (mpath->flags & MESH_PATH_RESOLVING) 1058 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 1059 1060 pinfo->flags = mpath->flags; 1061 } 1062 1063 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 1064 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 1065 1066 { 1067 struct ieee80211_sub_if_data *sdata; 1068 struct mesh_path *mpath; 1069 1070 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1071 1072 rcu_read_lock(); 1073 mpath = mesh_path_lookup(dst, sdata); 1074 if (!mpath) { 1075 rcu_read_unlock(); 1076 return -ENOENT; 1077 } 1078 memcpy(dst, mpath->dst, ETH_ALEN); 1079 mpath_set_pinfo(mpath, next_hop, pinfo); 1080 rcu_read_unlock(); 1081 return 0; 1082 } 1083 1084 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 1085 int idx, u8 *dst, u8 *next_hop, 1086 struct mpath_info *pinfo) 1087 { 1088 struct ieee80211_sub_if_data *sdata; 1089 struct mesh_path *mpath; 1090 1091 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1092 1093 rcu_read_lock(); 1094 mpath = mesh_path_lookup_by_idx(idx, sdata); 1095 if (!mpath) { 1096 rcu_read_unlock(); 1097 return -ENOENT; 1098 } 1099 memcpy(dst, mpath->dst, ETH_ALEN); 1100 mpath_set_pinfo(mpath, next_hop, pinfo); 1101 rcu_read_unlock(); 1102 return 0; 1103 } 1104 1105 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1106 struct net_device *dev, 1107 struct mesh_config *conf) 1108 { 1109 struct ieee80211_sub_if_data *sdata; 1110 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1111 1112 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1113 return 0; 1114 } 1115 1116 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1117 { 1118 return (mask >> (parm-1)) & 0x1; 1119 } 1120 1121 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1122 const struct mesh_setup *setup) 1123 { 1124 u8 *new_ie; 1125 const u8 *old_ie; 1126 1127 /* allocate information elements */ 1128 new_ie = NULL; 1129 old_ie = ifmsh->ie; 1130 1131 if (setup->ie_len) { 1132 new_ie = kmemdup(setup->ie, setup->ie_len, 1133 GFP_KERNEL); 1134 if (!new_ie) 1135 return -ENOMEM; 1136 } 1137 ifmsh->ie_len = setup->ie_len; 1138 ifmsh->ie = new_ie; 1139 kfree(old_ie); 1140 1141 /* now copy the rest of the setup parameters */ 1142 ifmsh->mesh_id_len = setup->mesh_id_len; 1143 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1144 ifmsh->mesh_pp_id = setup->path_sel_proto; 1145 ifmsh->mesh_pm_id = setup->path_metric; 1146 ifmsh->security = IEEE80211_MESH_SEC_NONE; 1147 if (setup->is_authenticated) 1148 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; 1149 if (setup->is_secure) 1150 ifmsh->security |= IEEE80211_MESH_SEC_SECURED; 1151 1152 return 0; 1153 } 1154 1155 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1156 struct net_device *dev, u32 mask, 1157 const struct mesh_config *nconf) 1158 { 1159 struct mesh_config *conf; 1160 struct ieee80211_sub_if_data *sdata; 1161 struct ieee80211_if_mesh *ifmsh; 1162 1163 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1164 ifmsh = &sdata->u.mesh; 1165 1166 /* Set the config options which we are interested in setting */ 1167 conf = &(sdata->u.mesh.mshcfg); 1168 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1169 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1170 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1171 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1172 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1173 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1174 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1175 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1176 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1177 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1178 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1179 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1180 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1181 conf->dot11MeshTTL = nconf->element_ttl; 1182 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) 1183 conf->auto_open_plinks = nconf->auto_open_plinks; 1184 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1185 conf->dot11MeshHWMPmaxPREQretries = 1186 nconf->dot11MeshHWMPmaxPREQretries; 1187 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1188 conf->path_refresh_time = nconf->path_refresh_time; 1189 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1190 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1191 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1192 conf->dot11MeshHWMPactivePathTimeout = 1193 nconf->dot11MeshHWMPactivePathTimeout; 1194 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1195 conf->dot11MeshHWMPpreqMinInterval = 1196 nconf->dot11MeshHWMPpreqMinInterval; 1197 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1198 mask)) 1199 conf->dot11MeshHWMPnetDiameterTraversalTime = 1200 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1201 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1202 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1203 ieee80211_mesh_root_setup(ifmsh); 1204 } 1205 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { 1206 /* our current gate announcement implementation rides on root 1207 * announcements, so require this ifmsh to also be a root node 1208 * */ 1209 if (nconf->dot11MeshGateAnnouncementProtocol && 1210 !conf->dot11MeshHWMPRootMode) { 1211 conf->dot11MeshHWMPRootMode = 1; 1212 ieee80211_mesh_root_setup(ifmsh); 1213 } 1214 conf->dot11MeshGateAnnouncementProtocol = 1215 nconf->dot11MeshGateAnnouncementProtocol; 1216 } 1217 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { 1218 conf->dot11MeshHWMPRannInterval = 1219 nconf->dot11MeshHWMPRannInterval; 1220 } 1221 return 0; 1222 } 1223 1224 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1225 const struct mesh_config *conf, 1226 const struct mesh_setup *setup) 1227 { 1228 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1229 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1230 int err; 1231 1232 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1233 err = copy_mesh_setup(ifmsh, setup); 1234 if (err) 1235 return err; 1236 ieee80211_start_mesh(sdata); 1237 1238 return 0; 1239 } 1240 1241 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 1242 { 1243 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1244 1245 ieee80211_stop_mesh(sdata); 1246 1247 return 0; 1248 } 1249 #endif 1250 1251 static int ieee80211_change_bss(struct wiphy *wiphy, 1252 struct net_device *dev, 1253 struct bss_parameters *params) 1254 { 1255 struct ieee80211_sub_if_data *sdata; 1256 u32 changed = 0; 1257 1258 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1259 1260 if (params->use_cts_prot >= 0) { 1261 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 1262 changed |= BSS_CHANGED_ERP_CTS_PROT; 1263 } 1264 if (params->use_short_preamble >= 0) { 1265 sdata->vif.bss_conf.use_short_preamble = 1266 params->use_short_preamble; 1267 changed |= BSS_CHANGED_ERP_PREAMBLE; 1268 } 1269 1270 if (!sdata->vif.bss_conf.use_short_slot && 1271 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { 1272 sdata->vif.bss_conf.use_short_slot = true; 1273 changed |= BSS_CHANGED_ERP_SLOT; 1274 } 1275 1276 if (params->use_short_slot_time >= 0) { 1277 sdata->vif.bss_conf.use_short_slot = 1278 params->use_short_slot_time; 1279 changed |= BSS_CHANGED_ERP_SLOT; 1280 } 1281 1282 if (params->basic_rates) { 1283 int i, j; 1284 u32 rates = 0; 1285 struct ieee80211_local *local = wiphy_priv(wiphy); 1286 struct ieee80211_supported_band *sband = 1287 wiphy->bands[local->oper_channel->band]; 1288 1289 for (i = 0; i < params->basic_rates_len; i++) { 1290 int rate = (params->basic_rates[i] & 0x7f) * 5; 1291 for (j = 0; j < sband->n_bitrates; j++) { 1292 if (sband->bitrates[j].bitrate == rate) 1293 rates |= BIT(j); 1294 } 1295 } 1296 sdata->vif.bss_conf.basic_rates = rates; 1297 changed |= BSS_CHANGED_BASIC_RATES; 1298 } 1299 1300 if (params->ap_isolate >= 0) { 1301 if (params->ap_isolate) 1302 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1303 else 1304 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1305 } 1306 1307 if (params->ht_opmode >= 0) { 1308 sdata->vif.bss_conf.ht_operation_mode = 1309 (u16) params->ht_opmode; 1310 changed |= BSS_CHANGED_HT; 1311 } 1312 1313 ieee80211_bss_info_change_notify(sdata, changed); 1314 1315 return 0; 1316 } 1317 1318 static int ieee80211_set_txq_params(struct wiphy *wiphy, 1319 struct net_device *dev, 1320 struct ieee80211_txq_params *params) 1321 { 1322 struct ieee80211_local *local = wiphy_priv(wiphy); 1323 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1324 struct ieee80211_tx_queue_params p; 1325 1326 if (!local->ops->conf_tx) 1327 return -EOPNOTSUPP; 1328 1329 memset(&p, 0, sizeof(p)); 1330 p.aifs = params->aifs; 1331 p.cw_max = params->cwmax; 1332 p.cw_min = params->cwmin; 1333 p.txop = params->txop; 1334 1335 /* 1336 * Setting tx queue params disables u-apsd because it's only 1337 * called in master mode. 1338 */ 1339 p.uapsd = false; 1340 1341 if (params->queue >= local->hw.queues) 1342 return -EINVAL; 1343 1344 sdata->tx_conf[params->queue] = p; 1345 if (drv_conf_tx(local, sdata, params->queue, &p)) { 1346 wiphy_debug(local->hw.wiphy, 1347 "failed to set TX queue parameters for queue %d\n", 1348 params->queue); 1349 return -EINVAL; 1350 } 1351 1352 return 0; 1353 } 1354 1355 static int ieee80211_set_channel(struct wiphy *wiphy, 1356 struct net_device *netdev, 1357 struct ieee80211_channel *chan, 1358 enum nl80211_channel_type channel_type) 1359 { 1360 struct ieee80211_local *local = wiphy_priv(wiphy); 1361 struct ieee80211_sub_if_data *sdata = NULL; 1362 struct ieee80211_channel *old_oper; 1363 enum nl80211_channel_type old_oper_type; 1364 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; 1365 1366 if (netdev) 1367 sdata = IEEE80211_DEV_TO_SUB_IF(netdev); 1368 1369 switch (ieee80211_get_channel_mode(local, NULL)) { 1370 case CHAN_MODE_HOPPING: 1371 return -EBUSY; 1372 case CHAN_MODE_FIXED: 1373 if (local->oper_channel != chan) 1374 return -EBUSY; 1375 if (!sdata && local->_oper_channel_type == channel_type) 1376 return 0; 1377 break; 1378 case CHAN_MODE_UNDEFINED: 1379 break; 1380 } 1381 1382 if (sdata) 1383 old_vif_oper_type = sdata->vif.bss_conf.channel_type; 1384 old_oper_type = local->_oper_channel_type; 1385 1386 if (!ieee80211_set_channel_type(local, sdata, channel_type)) 1387 return -EBUSY; 1388 1389 old_oper = local->oper_channel; 1390 local->oper_channel = chan; 1391 1392 /* Update driver if changes were actually made. */ 1393 if ((old_oper != local->oper_channel) || 1394 (old_oper_type != local->_oper_channel_type)) 1395 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); 1396 1397 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && 1398 old_vif_oper_type != sdata->vif.bss_conf.channel_type) 1399 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1400 1401 return 0; 1402 } 1403 1404 #ifdef CONFIG_PM 1405 static int ieee80211_suspend(struct wiphy *wiphy, 1406 struct cfg80211_wowlan *wowlan) 1407 { 1408 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); 1409 } 1410 1411 static int ieee80211_resume(struct wiphy *wiphy) 1412 { 1413 return __ieee80211_resume(wiphy_priv(wiphy)); 1414 } 1415 #else 1416 #define ieee80211_suspend NULL 1417 #define ieee80211_resume NULL 1418 #endif 1419 1420 static int ieee80211_scan(struct wiphy *wiphy, 1421 struct net_device *dev, 1422 struct cfg80211_scan_request *req) 1423 { 1424 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1425 1426 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 1427 case NL80211_IFTYPE_STATION: 1428 case NL80211_IFTYPE_ADHOC: 1429 case NL80211_IFTYPE_MESH_POINT: 1430 case NL80211_IFTYPE_P2P_CLIENT: 1431 break; 1432 case NL80211_IFTYPE_P2P_GO: 1433 if (sdata->local->ops->hw_scan) 1434 break; 1435 /* 1436 * FIXME: implement NoA while scanning in software, 1437 * for now fall through to allow scanning only when 1438 * beaconing hasn't been configured yet 1439 */ 1440 case NL80211_IFTYPE_AP: 1441 if (sdata->u.ap.beacon) 1442 return -EOPNOTSUPP; 1443 break; 1444 default: 1445 return -EOPNOTSUPP; 1446 } 1447 1448 return ieee80211_request_scan(sdata, req); 1449 } 1450 1451 static int 1452 ieee80211_sched_scan_start(struct wiphy *wiphy, 1453 struct net_device *dev, 1454 struct cfg80211_sched_scan_request *req) 1455 { 1456 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1457 1458 if (!sdata->local->ops->sched_scan_start) 1459 return -EOPNOTSUPP; 1460 1461 return ieee80211_request_sched_scan_start(sdata, req); 1462 } 1463 1464 static int 1465 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) 1466 { 1467 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1468 1469 if (!sdata->local->ops->sched_scan_stop) 1470 return -EOPNOTSUPP; 1471 1472 return ieee80211_request_sched_scan_stop(sdata); 1473 } 1474 1475 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 1476 struct cfg80211_auth_request *req) 1477 { 1478 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 1479 } 1480 1481 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 1482 struct cfg80211_assoc_request *req) 1483 { 1484 struct ieee80211_local *local = wiphy_priv(wiphy); 1485 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1486 1487 switch (ieee80211_get_channel_mode(local, sdata)) { 1488 case CHAN_MODE_HOPPING: 1489 return -EBUSY; 1490 case CHAN_MODE_FIXED: 1491 if (local->oper_channel == req->bss->channel) 1492 break; 1493 return -EBUSY; 1494 case CHAN_MODE_UNDEFINED: 1495 break; 1496 } 1497 1498 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 1499 } 1500 1501 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 1502 struct cfg80211_deauth_request *req, 1503 void *cookie) 1504 { 1505 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), 1506 req, cookie); 1507 } 1508 1509 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 1510 struct cfg80211_disassoc_request *req, 1511 void *cookie) 1512 { 1513 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), 1514 req, cookie); 1515 } 1516 1517 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 1518 struct cfg80211_ibss_params *params) 1519 { 1520 struct ieee80211_local *local = wiphy_priv(wiphy); 1521 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1522 1523 switch (ieee80211_get_channel_mode(local, sdata)) { 1524 case CHAN_MODE_HOPPING: 1525 return -EBUSY; 1526 case CHAN_MODE_FIXED: 1527 if (!params->channel_fixed) 1528 return -EBUSY; 1529 if (local->oper_channel == params->channel) 1530 break; 1531 return -EBUSY; 1532 case CHAN_MODE_UNDEFINED: 1533 break; 1534 } 1535 1536 return ieee80211_ibss_join(sdata, params); 1537 } 1538 1539 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 1540 { 1541 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1542 1543 return ieee80211_ibss_leave(sdata); 1544 } 1545 1546 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1547 { 1548 struct ieee80211_local *local = wiphy_priv(wiphy); 1549 int err; 1550 1551 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 1552 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 1553 1554 if (err) 1555 return err; 1556 } 1557 1558 if (changed & WIPHY_PARAM_COVERAGE_CLASS) { 1559 err = drv_set_coverage_class(local, wiphy->coverage_class); 1560 1561 if (err) 1562 return err; 1563 } 1564 1565 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1566 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 1567 1568 if (err) 1569 return err; 1570 } 1571 1572 if (changed & WIPHY_PARAM_RETRY_SHORT) 1573 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 1574 if (changed & WIPHY_PARAM_RETRY_LONG) 1575 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 1576 if (changed & 1577 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 1578 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 1579 1580 return 0; 1581 } 1582 1583 static int ieee80211_set_tx_power(struct wiphy *wiphy, 1584 enum nl80211_tx_power_setting type, int mbm) 1585 { 1586 struct ieee80211_local *local = wiphy_priv(wiphy); 1587 struct ieee80211_channel *chan = local->hw.conf.channel; 1588 u32 changes = 0; 1589 1590 switch (type) { 1591 case NL80211_TX_POWER_AUTOMATIC: 1592 local->user_power_level = -1; 1593 break; 1594 case NL80211_TX_POWER_LIMITED: 1595 if (mbm < 0 || (mbm % 100)) 1596 return -EOPNOTSUPP; 1597 local->user_power_level = MBM_TO_DBM(mbm); 1598 break; 1599 case NL80211_TX_POWER_FIXED: 1600 if (mbm < 0 || (mbm % 100)) 1601 return -EOPNOTSUPP; 1602 /* TODO: move to cfg80211 when it knows the channel */ 1603 if (MBM_TO_DBM(mbm) > chan->max_power) 1604 return -EINVAL; 1605 local->user_power_level = MBM_TO_DBM(mbm); 1606 break; 1607 } 1608 1609 ieee80211_hw_config(local, changes); 1610 1611 return 0; 1612 } 1613 1614 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) 1615 { 1616 struct ieee80211_local *local = wiphy_priv(wiphy); 1617 1618 *dbm = local->hw.conf.power_level; 1619 1620 return 0; 1621 } 1622 1623 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 1624 const u8 *addr) 1625 { 1626 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1627 1628 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 1629 1630 return 0; 1631 } 1632 1633 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 1634 { 1635 struct ieee80211_local *local = wiphy_priv(wiphy); 1636 1637 drv_rfkill_poll(local); 1638 } 1639 1640 #ifdef CONFIG_NL80211_TESTMODE 1641 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) 1642 { 1643 struct ieee80211_local *local = wiphy_priv(wiphy); 1644 1645 if (!local->ops->testmode_cmd) 1646 return -EOPNOTSUPP; 1647 1648 return local->ops->testmode_cmd(&local->hw, data, len); 1649 } 1650 1651 static int ieee80211_testmode_dump(struct wiphy *wiphy, 1652 struct sk_buff *skb, 1653 struct netlink_callback *cb, 1654 void *data, int len) 1655 { 1656 struct ieee80211_local *local = wiphy_priv(wiphy); 1657 1658 if (!local->ops->testmode_dump) 1659 return -EOPNOTSUPP; 1660 1661 return local->ops->testmode_dump(&local->hw, skb, cb, data, len); 1662 } 1663 #endif 1664 1665 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 1666 enum ieee80211_smps_mode smps_mode) 1667 { 1668 const u8 *ap; 1669 enum ieee80211_smps_mode old_req; 1670 int err; 1671 1672 lockdep_assert_held(&sdata->u.mgd.mtx); 1673 1674 old_req = sdata->u.mgd.req_smps; 1675 sdata->u.mgd.req_smps = smps_mode; 1676 1677 if (old_req == smps_mode && 1678 smps_mode != IEEE80211_SMPS_AUTOMATIC) 1679 return 0; 1680 1681 /* 1682 * If not associated, or current association is not an HT 1683 * association, there's no need to send an action frame. 1684 */ 1685 if (!sdata->u.mgd.associated || 1686 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { 1687 mutex_lock(&sdata->local->iflist_mtx); 1688 ieee80211_recalc_smps(sdata->local); 1689 mutex_unlock(&sdata->local->iflist_mtx); 1690 return 0; 1691 } 1692 1693 ap = sdata->u.mgd.associated->bssid; 1694 1695 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 1696 if (sdata->u.mgd.powersave) 1697 smps_mode = IEEE80211_SMPS_DYNAMIC; 1698 else 1699 smps_mode = IEEE80211_SMPS_OFF; 1700 } 1701 1702 /* send SM PS frame to AP */ 1703 err = ieee80211_send_smps_action(sdata, smps_mode, 1704 ap, ap); 1705 if (err) 1706 sdata->u.mgd.req_smps = old_req; 1707 1708 return err; 1709 } 1710 1711 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 1712 bool enabled, int timeout) 1713 { 1714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1715 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1716 1717 if (sdata->vif.type != NL80211_IFTYPE_STATION) 1718 return -EOPNOTSUPP; 1719 1720 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) 1721 return -EOPNOTSUPP; 1722 1723 if (enabled == sdata->u.mgd.powersave && 1724 timeout == local->dynamic_ps_forced_timeout) 1725 return 0; 1726 1727 sdata->u.mgd.powersave = enabled; 1728 local->dynamic_ps_forced_timeout = timeout; 1729 1730 /* no change, but if automatic follow powersave */ 1731 mutex_lock(&sdata->u.mgd.mtx); 1732 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); 1733 mutex_unlock(&sdata->u.mgd.mtx); 1734 1735 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) 1736 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 1737 1738 ieee80211_recalc_ps(local, -1); 1739 1740 return 0; 1741 } 1742 1743 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 1744 struct net_device *dev, 1745 s32 rssi_thold, u32 rssi_hyst) 1746 { 1747 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1748 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1749 struct ieee80211_vif *vif = &sdata->vif; 1750 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 1751 1752 if (rssi_thold == bss_conf->cqm_rssi_thold && 1753 rssi_hyst == bss_conf->cqm_rssi_hyst) 1754 return 0; 1755 1756 bss_conf->cqm_rssi_thold = rssi_thold; 1757 bss_conf->cqm_rssi_hyst = rssi_hyst; 1758 1759 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { 1760 if (sdata->vif.type != NL80211_IFTYPE_STATION) 1761 return -EOPNOTSUPP; 1762 return 0; 1763 } 1764 1765 /* tell the driver upon association, unless already associated */ 1766 if (sdata->u.mgd.associated) 1767 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 1768 1769 return 0; 1770 } 1771 1772 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 1773 struct net_device *dev, 1774 const u8 *addr, 1775 const struct cfg80211_bitrate_mask *mask) 1776 { 1777 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1778 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1779 int i, ret; 1780 1781 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { 1782 ret = drv_set_bitrate_mask(local, sdata, mask); 1783 if (ret) 1784 return ret; 1785 } 1786 1787 for (i = 0; i < IEEE80211_NUM_BANDS; i++) 1788 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 1789 1790 return 0; 1791 } 1792 1793 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, 1794 struct net_device *dev, 1795 struct ieee80211_channel *chan, 1796 enum nl80211_channel_type chantype, 1797 unsigned int duration, u64 *cookie) 1798 { 1799 int ret; 1800 u32 random_cookie; 1801 1802 lockdep_assert_held(&local->mtx); 1803 1804 if (local->hw_roc_cookie) 1805 return -EBUSY; 1806 /* must be nonzero */ 1807 random_cookie = random32() | 1; 1808 1809 *cookie = random_cookie; 1810 local->hw_roc_dev = dev; 1811 local->hw_roc_cookie = random_cookie; 1812 local->hw_roc_channel = chan; 1813 local->hw_roc_channel_type = chantype; 1814 local->hw_roc_duration = duration; 1815 ret = drv_remain_on_channel(local, chan, chantype, duration); 1816 if (ret) { 1817 local->hw_roc_channel = NULL; 1818 local->hw_roc_cookie = 0; 1819 } 1820 1821 return ret; 1822 } 1823 1824 static int ieee80211_remain_on_channel(struct wiphy *wiphy, 1825 struct net_device *dev, 1826 struct ieee80211_channel *chan, 1827 enum nl80211_channel_type channel_type, 1828 unsigned int duration, 1829 u64 *cookie) 1830 { 1831 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1832 struct ieee80211_local *local = sdata->local; 1833 1834 if (local->ops->remain_on_channel) { 1835 int ret; 1836 1837 mutex_lock(&local->mtx); 1838 ret = ieee80211_remain_on_channel_hw(local, dev, 1839 chan, channel_type, 1840 duration, cookie); 1841 local->hw_roc_for_tx = false; 1842 mutex_unlock(&local->mtx); 1843 1844 return ret; 1845 } 1846 1847 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, 1848 duration, cookie); 1849 } 1850 1851 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, 1852 u64 cookie) 1853 { 1854 int ret; 1855 1856 lockdep_assert_held(&local->mtx); 1857 1858 if (local->hw_roc_cookie != cookie) 1859 return -ENOENT; 1860 1861 ret = drv_cancel_remain_on_channel(local); 1862 if (ret) 1863 return ret; 1864 1865 local->hw_roc_cookie = 0; 1866 local->hw_roc_channel = NULL; 1867 1868 ieee80211_recalc_idle(local); 1869 1870 return 0; 1871 } 1872 1873 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1874 struct net_device *dev, 1875 u64 cookie) 1876 { 1877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1878 struct ieee80211_local *local = sdata->local; 1879 1880 if (local->ops->cancel_remain_on_channel) { 1881 int ret; 1882 1883 mutex_lock(&local->mtx); 1884 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); 1885 mutex_unlock(&local->mtx); 1886 1887 return ret; 1888 } 1889 1890 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); 1891 } 1892 1893 static enum work_done_result 1894 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) 1895 { 1896 /* 1897 * Use the data embedded in the work struct for reporting 1898 * here so if the driver mangled the SKB before dropping 1899 * it (which is the only way we really should get here) 1900 * then we don't report mangled data. 1901 * 1902 * If there was no wait time, then by the time we get here 1903 * the driver will likely not have reported the status yet, 1904 * so in that case userspace will have to deal with it. 1905 */ 1906 1907 if (wk->offchan_tx.wait && !wk->offchan_tx.status) 1908 cfg80211_mgmt_tx_status(wk->sdata->dev, 1909 (unsigned long) wk->offchan_tx.frame, 1910 wk->ie, wk->ie_len, false, GFP_KERNEL); 1911 1912 return WORK_DONE_DESTROY; 1913 } 1914 1915 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 1916 struct ieee80211_channel *chan, bool offchan, 1917 enum nl80211_channel_type channel_type, 1918 bool channel_type_valid, unsigned int wait, 1919 const u8 *buf, size_t len, bool no_cck, 1920 u64 *cookie) 1921 { 1922 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1923 struct ieee80211_local *local = sdata->local; 1924 struct sk_buff *skb; 1925 struct sta_info *sta; 1926 struct ieee80211_work *wk; 1927 const struct ieee80211_mgmt *mgmt = (void *)buf; 1928 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | 1929 IEEE80211_TX_CTL_REQ_TX_STATUS; 1930 bool is_offchan = false; 1931 1932 /* Check that we are on the requested channel for transmission */ 1933 if (chan != local->tmp_channel && 1934 chan != local->oper_channel) 1935 is_offchan = true; 1936 if (channel_type_valid && 1937 (channel_type != local->tmp_channel_type && 1938 channel_type != local->_oper_channel_type)) 1939 is_offchan = true; 1940 1941 if (chan == local->hw_roc_channel) { 1942 /* TODO: check channel type? */ 1943 is_offchan = false; 1944 flags |= IEEE80211_TX_CTL_TX_OFFCHAN; 1945 } 1946 1947 if (no_cck) 1948 flags |= IEEE80211_TX_CTL_NO_CCK_RATE; 1949 1950 if (is_offchan && !offchan) 1951 return -EBUSY; 1952 1953 switch (sdata->vif.type) { 1954 case NL80211_IFTYPE_ADHOC: 1955 case NL80211_IFTYPE_AP: 1956 case NL80211_IFTYPE_AP_VLAN: 1957 case NL80211_IFTYPE_P2P_GO: 1958 case NL80211_IFTYPE_MESH_POINT: 1959 if (!ieee80211_is_action(mgmt->frame_control) || 1960 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) 1961 break; 1962 rcu_read_lock(); 1963 sta = sta_info_get(sdata, mgmt->da); 1964 rcu_read_unlock(); 1965 if (!sta) 1966 return -ENOLINK; 1967 break; 1968 case NL80211_IFTYPE_STATION: 1969 case NL80211_IFTYPE_P2P_CLIENT: 1970 break; 1971 default: 1972 return -EOPNOTSUPP; 1973 } 1974 1975 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); 1976 if (!skb) 1977 return -ENOMEM; 1978 skb_reserve(skb, local->hw.extra_tx_headroom); 1979 1980 memcpy(skb_put(skb, len), buf, len); 1981 1982 IEEE80211_SKB_CB(skb)->flags = flags; 1983 1984 skb->dev = sdata->dev; 1985 1986 *cookie = (unsigned long) skb; 1987 1988 if (is_offchan && local->ops->remain_on_channel) { 1989 unsigned int duration; 1990 int ret; 1991 1992 mutex_lock(&local->mtx); 1993 /* 1994 * If the duration is zero, then the driver 1995 * wouldn't actually do anything. Set it to 1996 * 100 for now. 1997 * 1998 * TODO: cancel the off-channel operation 1999 * when we get the SKB's TX status and 2000 * the wait time was zero before. 2001 */ 2002 duration = 100; 2003 if (wait) 2004 duration = wait; 2005 ret = ieee80211_remain_on_channel_hw(local, dev, chan, 2006 channel_type, 2007 duration, cookie); 2008 if (ret) { 2009 kfree_skb(skb); 2010 mutex_unlock(&local->mtx); 2011 return ret; 2012 } 2013 2014 local->hw_roc_for_tx = true; 2015 local->hw_roc_duration = wait; 2016 2017 /* 2018 * queue up frame for transmission after 2019 * ieee80211_ready_on_channel call 2020 */ 2021 2022 /* modify cookie to prevent API mismatches */ 2023 *cookie ^= 2; 2024 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; 2025 local->hw_roc_skb = skb; 2026 local->hw_roc_skb_for_status = skb; 2027 mutex_unlock(&local->mtx); 2028 2029 return 0; 2030 } 2031 2032 /* 2033 * Can transmit right away if the channel was the 2034 * right one and there's no wait involved... If a 2035 * wait is involved, we might otherwise not be on 2036 * the right channel for long enough! 2037 */ 2038 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { 2039 ieee80211_tx_skb(sdata, skb); 2040 return 0; 2041 } 2042 2043 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); 2044 if (!wk) { 2045 kfree_skb(skb); 2046 return -ENOMEM; 2047 } 2048 2049 wk->type = IEEE80211_WORK_OFFCHANNEL_TX; 2050 wk->chan = chan; 2051 wk->chan_type = channel_type; 2052 wk->sdata = sdata; 2053 wk->done = ieee80211_offchan_tx_done; 2054 wk->offchan_tx.frame = skb; 2055 wk->offchan_tx.wait = wait; 2056 wk->ie_len = len; 2057 memcpy(wk->ie, buf, len); 2058 2059 ieee80211_add_work(wk); 2060 return 0; 2061 } 2062 2063 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 2064 struct net_device *dev, 2065 u64 cookie) 2066 { 2067 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2068 struct ieee80211_local *local = sdata->local; 2069 struct ieee80211_work *wk; 2070 int ret = -ENOENT; 2071 2072 mutex_lock(&local->mtx); 2073 2074 if (local->ops->cancel_remain_on_channel) { 2075 cookie ^= 2; 2076 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); 2077 2078 if (ret == 0) { 2079 kfree_skb(local->hw_roc_skb); 2080 local->hw_roc_skb = NULL; 2081 local->hw_roc_skb_for_status = NULL; 2082 } 2083 2084 mutex_unlock(&local->mtx); 2085 2086 return ret; 2087 } 2088 2089 list_for_each_entry(wk, &local->work_list, list) { 2090 if (wk->sdata != sdata) 2091 continue; 2092 2093 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) 2094 continue; 2095 2096 if (cookie != (unsigned long) wk->offchan_tx.frame) 2097 continue; 2098 2099 wk->timeout = jiffies; 2100 2101 ieee80211_queue_work(&local->hw, &local->work_work); 2102 ret = 0; 2103 break; 2104 } 2105 mutex_unlock(&local->mtx); 2106 2107 return ret; 2108 } 2109 2110 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 2111 struct net_device *dev, 2112 u16 frame_type, bool reg) 2113 { 2114 struct ieee80211_local *local = wiphy_priv(wiphy); 2115 2116 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) 2117 return; 2118 2119 if (reg) 2120 local->probe_req_reg++; 2121 else 2122 local->probe_req_reg--; 2123 2124 ieee80211_queue_work(&local->hw, &local->reconfig_filter); 2125 } 2126 2127 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 2128 { 2129 struct ieee80211_local *local = wiphy_priv(wiphy); 2130 2131 if (local->started) 2132 return -EOPNOTSUPP; 2133 2134 return drv_set_antenna(local, tx_ant, rx_ant); 2135 } 2136 2137 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 2138 { 2139 struct ieee80211_local *local = wiphy_priv(wiphy); 2140 2141 return drv_get_antenna(local, tx_ant, rx_ant); 2142 } 2143 2144 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) 2145 { 2146 struct ieee80211_local *local = wiphy_priv(wiphy); 2147 2148 return drv_set_ringparam(local, tx, rx); 2149 } 2150 2151 static void ieee80211_get_ringparam(struct wiphy *wiphy, 2152 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) 2153 { 2154 struct ieee80211_local *local = wiphy_priv(wiphy); 2155 2156 drv_get_ringparam(local, tx, tx_max, rx, rx_max); 2157 } 2158 2159 static int ieee80211_set_rekey_data(struct wiphy *wiphy, 2160 struct net_device *dev, 2161 struct cfg80211_gtk_rekey_data *data) 2162 { 2163 struct ieee80211_local *local = wiphy_priv(wiphy); 2164 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2165 2166 if (!local->ops->set_rekey_data) 2167 return -EOPNOTSUPP; 2168 2169 drv_set_rekey_data(local, sdata, data); 2170 2171 return 0; 2172 } 2173 2174 static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) 2175 { 2176 u8 *pos = (void *)skb_put(skb, 7); 2177 2178 *pos++ = WLAN_EID_EXT_CAPABILITY; 2179 *pos++ = 5; /* len */ 2180 *pos++ = 0x0; 2181 *pos++ = 0x0; 2182 *pos++ = 0x0; 2183 *pos++ = 0x0; 2184 *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; 2185 } 2186 2187 static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) 2188 { 2189 struct ieee80211_local *local = sdata->local; 2190 u16 capab; 2191 2192 capab = 0; 2193 if (local->oper_channel->band != IEEE80211_BAND_2GHZ) 2194 return capab; 2195 2196 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) 2197 capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; 2198 if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) 2199 capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; 2200 2201 return capab; 2202 } 2203 2204 static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, 2205 u8 *peer, u8 *bssid) 2206 { 2207 struct ieee80211_tdls_lnkie *lnkid; 2208 2209 lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); 2210 2211 lnkid->ie_type = WLAN_EID_LINK_ID; 2212 lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; 2213 2214 memcpy(lnkid->bssid, bssid, ETH_ALEN); 2215 memcpy(lnkid->init_sta, src_addr, ETH_ALEN); 2216 memcpy(lnkid->resp_sta, peer, ETH_ALEN); 2217 } 2218 2219 static int 2220 ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, 2221 u8 *peer, u8 action_code, u8 dialog_token, 2222 u16 status_code, struct sk_buff *skb) 2223 { 2224 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2225 struct ieee80211_tdls_data *tf; 2226 2227 tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); 2228 2229 memcpy(tf->da, peer, ETH_ALEN); 2230 memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); 2231 tf->ether_type = cpu_to_be16(ETH_P_TDLS); 2232 tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; 2233 2234 switch (action_code) { 2235 case WLAN_TDLS_SETUP_REQUEST: 2236 tf->category = WLAN_CATEGORY_TDLS; 2237 tf->action_code = WLAN_TDLS_SETUP_REQUEST; 2238 2239 skb_put(skb, sizeof(tf->u.setup_req)); 2240 tf->u.setup_req.dialog_token = dialog_token; 2241 tf->u.setup_req.capability = 2242 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2243 2244 ieee80211_add_srates_ie(&sdata->vif, skb); 2245 ieee80211_add_ext_srates_ie(&sdata->vif, skb); 2246 ieee80211_tdls_add_ext_capab(skb); 2247 break; 2248 case WLAN_TDLS_SETUP_RESPONSE: 2249 tf->category = WLAN_CATEGORY_TDLS; 2250 tf->action_code = WLAN_TDLS_SETUP_RESPONSE; 2251 2252 skb_put(skb, sizeof(tf->u.setup_resp)); 2253 tf->u.setup_resp.status_code = cpu_to_le16(status_code); 2254 tf->u.setup_resp.dialog_token = dialog_token; 2255 tf->u.setup_resp.capability = 2256 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2257 2258 ieee80211_add_srates_ie(&sdata->vif, skb); 2259 ieee80211_add_ext_srates_ie(&sdata->vif, skb); 2260 ieee80211_tdls_add_ext_capab(skb); 2261 break; 2262 case WLAN_TDLS_SETUP_CONFIRM: 2263 tf->category = WLAN_CATEGORY_TDLS; 2264 tf->action_code = WLAN_TDLS_SETUP_CONFIRM; 2265 2266 skb_put(skb, sizeof(tf->u.setup_cfm)); 2267 tf->u.setup_cfm.status_code = cpu_to_le16(status_code); 2268 tf->u.setup_cfm.dialog_token = dialog_token; 2269 break; 2270 case WLAN_TDLS_TEARDOWN: 2271 tf->category = WLAN_CATEGORY_TDLS; 2272 tf->action_code = WLAN_TDLS_TEARDOWN; 2273 2274 skb_put(skb, sizeof(tf->u.teardown)); 2275 tf->u.teardown.reason_code = cpu_to_le16(status_code); 2276 break; 2277 case WLAN_TDLS_DISCOVERY_REQUEST: 2278 tf->category = WLAN_CATEGORY_TDLS; 2279 tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; 2280 2281 skb_put(skb, sizeof(tf->u.discover_req)); 2282 tf->u.discover_req.dialog_token = dialog_token; 2283 break; 2284 default: 2285 return -EINVAL; 2286 } 2287 2288 return 0; 2289 } 2290 2291 static int 2292 ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, 2293 u8 *peer, u8 action_code, u8 dialog_token, 2294 u16 status_code, struct sk_buff *skb) 2295 { 2296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2297 struct ieee80211_mgmt *mgmt; 2298 2299 mgmt = (void *)skb_put(skb, 24); 2300 memset(mgmt, 0, 24); 2301 memcpy(mgmt->da, peer, ETH_ALEN); 2302 memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); 2303 memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); 2304 2305 mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | 2306 IEEE80211_STYPE_ACTION); 2307 2308 switch (action_code) { 2309 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2310 skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); 2311 mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; 2312 mgmt->u.action.u.tdls_discover_resp.action_code = 2313 WLAN_PUB_ACTION_TDLS_DISCOVER_RES; 2314 mgmt->u.action.u.tdls_discover_resp.dialog_token = 2315 dialog_token; 2316 mgmt->u.action.u.tdls_discover_resp.capability = 2317 cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); 2318 2319 ieee80211_add_srates_ie(&sdata->vif, skb); 2320 ieee80211_add_ext_srates_ie(&sdata->vif, skb); 2321 ieee80211_tdls_add_ext_capab(skb); 2322 break; 2323 default: 2324 return -EINVAL; 2325 } 2326 2327 return 0; 2328 } 2329 2330 static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 2331 u8 *peer, u8 action_code, u8 dialog_token, 2332 u16 status_code, const u8 *extra_ies, 2333 size_t extra_ies_len) 2334 { 2335 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2336 struct ieee80211_local *local = sdata->local; 2337 struct ieee80211_tx_info *info; 2338 struct sk_buff *skb = NULL; 2339 bool send_direct; 2340 int ret; 2341 2342 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 2343 return -ENOTSUPP; 2344 2345 /* make sure we are in managed mode, and associated */ 2346 if (sdata->vif.type != NL80211_IFTYPE_STATION || 2347 !sdata->u.mgd.associated) 2348 return -EINVAL; 2349 2350 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG 2351 printk(KERN_DEBUG "TDLS mgmt action %d peer %pM\n", action_code, peer); 2352 #endif 2353 2354 skb = dev_alloc_skb(local->hw.extra_tx_headroom + 2355 max(sizeof(struct ieee80211_mgmt), 2356 sizeof(struct ieee80211_tdls_data)) + 2357 50 + /* supported rates */ 2358 7 + /* ext capab */ 2359 extra_ies_len + 2360 sizeof(struct ieee80211_tdls_lnkie)); 2361 if (!skb) 2362 return -ENOMEM; 2363 2364 info = IEEE80211_SKB_CB(skb); 2365 skb_reserve(skb, local->hw.extra_tx_headroom); 2366 2367 switch (action_code) { 2368 case WLAN_TDLS_SETUP_REQUEST: 2369 case WLAN_TDLS_SETUP_RESPONSE: 2370 case WLAN_TDLS_SETUP_CONFIRM: 2371 case WLAN_TDLS_TEARDOWN: 2372 case WLAN_TDLS_DISCOVERY_REQUEST: 2373 ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, 2374 action_code, dialog_token, 2375 status_code, skb); 2376 send_direct = false; 2377 break; 2378 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2379 ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, 2380 dialog_token, status_code, 2381 skb); 2382 send_direct = true; 2383 break; 2384 default: 2385 ret = -ENOTSUPP; 2386 break; 2387 } 2388 2389 if (ret < 0) 2390 goto fail; 2391 2392 if (extra_ies_len) 2393 memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); 2394 2395 /* the TDLS link IE is always added last */ 2396 switch (action_code) { 2397 case WLAN_TDLS_SETUP_REQUEST: 2398 case WLAN_TDLS_SETUP_CONFIRM: 2399 case WLAN_TDLS_TEARDOWN: 2400 case WLAN_TDLS_DISCOVERY_REQUEST: 2401 /* we are the initiator */ 2402 ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, 2403 sdata->u.mgd.bssid); 2404 break; 2405 case WLAN_TDLS_SETUP_RESPONSE: 2406 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 2407 /* we are the responder */ 2408 ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, 2409 sdata->u.mgd.bssid); 2410 break; 2411 default: 2412 ret = -ENOTSUPP; 2413 goto fail; 2414 } 2415 2416 if (send_direct) { 2417 ieee80211_tx_skb(sdata, skb); 2418 return 0; 2419 } 2420 2421 /* 2422 * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise 2423 * we should default to AC_VI. 2424 */ 2425 switch (action_code) { 2426 case WLAN_TDLS_SETUP_REQUEST: 2427 case WLAN_TDLS_SETUP_RESPONSE: 2428 skb_set_queue_mapping(skb, IEEE80211_AC_BK); 2429 skb->priority = 2; 2430 break; 2431 default: 2432 skb_set_queue_mapping(skb, IEEE80211_AC_VI); 2433 skb->priority = 5; 2434 break; 2435 } 2436 2437 /* disable bottom halves when entering the Tx path */ 2438 local_bh_disable(); 2439 ret = ieee80211_subif_start_xmit(skb, dev); 2440 local_bh_enable(); 2441 2442 return ret; 2443 2444 fail: 2445 dev_kfree_skb(skb); 2446 return ret; 2447 } 2448 2449 static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 2450 u8 *peer, enum nl80211_tdls_operation oper) 2451 { 2452 struct sta_info *sta; 2453 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 2454 2455 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 2456 return -ENOTSUPP; 2457 2458 if (sdata->vif.type != NL80211_IFTYPE_STATION) 2459 return -EINVAL; 2460 2461 #ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG 2462 printk(KERN_DEBUG "TDLS oper %d peer %pM\n", oper, peer); 2463 #endif 2464 2465 switch (oper) { 2466 case NL80211_TDLS_ENABLE_LINK: 2467 rcu_read_lock(); 2468 sta = sta_info_get(sdata, peer); 2469 if (!sta) { 2470 rcu_read_unlock(); 2471 return -ENOLINK; 2472 } 2473 2474 set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); 2475 rcu_read_unlock(); 2476 break; 2477 case NL80211_TDLS_DISABLE_LINK: 2478 return sta_info_destroy_addr(sdata, peer); 2479 case NL80211_TDLS_TEARDOWN: 2480 case NL80211_TDLS_SETUP: 2481 case NL80211_TDLS_DISCOVERY_REQ: 2482 /* We don't support in-driver setup/teardown/discovery */ 2483 return -ENOTSUPP; 2484 default: 2485 return -ENOTSUPP; 2486 } 2487 2488 return 0; 2489 } 2490 2491 struct cfg80211_ops mac80211_config_ops = { 2492 .add_virtual_intf = ieee80211_add_iface, 2493 .del_virtual_intf = ieee80211_del_iface, 2494 .change_virtual_intf = ieee80211_change_iface, 2495 .add_key = ieee80211_add_key, 2496 .del_key = ieee80211_del_key, 2497 .get_key = ieee80211_get_key, 2498 .set_default_key = ieee80211_config_default_key, 2499 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 2500 .add_beacon = ieee80211_add_beacon, 2501 .set_beacon = ieee80211_set_beacon, 2502 .del_beacon = ieee80211_del_beacon, 2503 .add_station = ieee80211_add_station, 2504 .del_station = ieee80211_del_station, 2505 .change_station = ieee80211_change_station, 2506 .get_station = ieee80211_get_station, 2507 .dump_station = ieee80211_dump_station, 2508 .dump_survey = ieee80211_dump_survey, 2509 #ifdef CONFIG_MAC80211_MESH 2510 .add_mpath = ieee80211_add_mpath, 2511 .del_mpath = ieee80211_del_mpath, 2512 .change_mpath = ieee80211_change_mpath, 2513 .get_mpath = ieee80211_get_mpath, 2514 .dump_mpath = ieee80211_dump_mpath, 2515 .update_mesh_config = ieee80211_update_mesh_config, 2516 .get_mesh_config = ieee80211_get_mesh_config, 2517 .join_mesh = ieee80211_join_mesh, 2518 .leave_mesh = ieee80211_leave_mesh, 2519 #endif 2520 .change_bss = ieee80211_change_bss, 2521 .set_txq_params = ieee80211_set_txq_params, 2522 .set_channel = ieee80211_set_channel, 2523 .suspend = ieee80211_suspend, 2524 .resume = ieee80211_resume, 2525 .scan = ieee80211_scan, 2526 .sched_scan_start = ieee80211_sched_scan_start, 2527 .sched_scan_stop = ieee80211_sched_scan_stop, 2528 .auth = ieee80211_auth, 2529 .assoc = ieee80211_assoc, 2530 .deauth = ieee80211_deauth, 2531 .disassoc = ieee80211_disassoc, 2532 .join_ibss = ieee80211_join_ibss, 2533 .leave_ibss = ieee80211_leave_ibss, 2534 .set_wiphy_params = ieee80211_set_wiphy_params, 2535 .set_tx_power = ieee80211_set_tx_power, 2536 .get_tx_power = ieee80211_get_tx_power, 2537 .set_wds_peer = ieee80211_set_wds_peer, 2538 .rfkill_poll = ieee80211_rfkill_poll, 2539 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 2540 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) 2541 .set_power_mgmt = ieee80211_set_power_mgmt, 2542 .set_bitrate_mask = ieee80211_set_bitrate_mask, 2543 .remain_on_channel = ieee80211_remain_on_channel, 2544 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 2545 .mgmt_tx = ieee80211_mgmt_tx, 2546 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 2547 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 2548 .mgmt_frame_register = ieee80211_mgmt_frame_register, 2549 .set_antenna = ieee80211_set_antenna, 2550 .get_antenna = ieee80211_get_antenna, 2551 .set_ringparam = ieee80211_set_ringparam, 2552 .get_ringparam = ieee80211_get_ringparam, 2553 .set_rekey_data = ieee80211_set_rekey_data, 2554 .tdls_oper = ieee80211_tdls_oper, 2555 .tdls_mgmt = ieee80211_tdls_mgmt, 2556 }; 2557