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 <net/cfg80211.h> 16 #include "ieee80211_i.h" 17 #include "driver-ops.h" 18 #include "cfg.h" 19 #include "rate.h" 20 #include "mesh.h" 21 22 static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, 23 enum nl80211_iftype type, 24 u32 *flags, 25 struct vif_params *params) 26 { 27 struct ieee80211_local *local = wiphy_priv(wiphy); 28 struct net_device *dev; 29 struct ieee80211_sub_if_data *sdata; 30 int err; 31 32 err = ieee80211_if_add(local, name, &dev, type, params); 33 if (err) 34 return ERR_PTR(err); 35 36 if (type == NL80211_IFTYPE_MONITOR && flags) { 37 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 38 sdata->u.mntr_flags = *flags; 39 } 40 41 return dev; 42 } 43 44 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) 45 { 46 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); 47 48 return 0; 49 } 50 51 static int ieee80211_change_iface(struct wiphy *wiphy, 52 struct net_device *dev, 53 enum nl80211_iftype type, u32 *flags, 54 struct vif_params *params) 55 { 56 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 57 int ret; 58 59 ret = ieee80211_if_change_type(sdata, type); 60 if (ret) 61 return ret; 62 63 if (type == NL80211_IFTYPE_AP_VLAN && 64 params && params->use_4addr == 0) 65 rcu_assign_pointer(sdata->u.vlan.sta, NULL); 66 else if (type == NL80211_IFTYPE_STATION && 67 params && params->use_4addr >= 0) 68 sdata->u.mgd.use_4addr = params->use_4addr; 69 70 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { 71 struct ieee80211_local *local = sdata->local; 72 73 if (ieee80211_sdata_running(sdata)) { 74 /* 75 * Prohibit MONITOR_FLAG_COOK_FRAMES to be 76 * changed while the interface is up. 77 * Else we would need to add a lot of cruft 78 * to update everything: 79 * cooked_mntrs, monitor and all fif_* counters 80 * reconfigure hardware 81 */ 82 if ((*flags & MONITOR_FLAG_COOK_FRAMES) != 83 (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) 84 return -EBUSY; 85 86 ieee80211_adjust_monitor_flags(sdata, -1); 87 sdata->u.mntr_flags = *flags; 88 ieee80211_adjust_monitor_flags(sdata, 1); 89 90 ieee80211_configure_filter(local); 91 } else { 92 /* 93 * Because the interface is down, ieee80211_do_stop 94 * and ieee80211_do_open take care of "everything" 95 * mentioned in the comment above. 96 */ 97 sdata->u.mntr_flags = *flags; 98 } 99 } 100 101 return 0; 102 } 103 104 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, 105 u8 key_idx, bool pairwise, const u8 *mac_addr, 106 struct key_params *params) 107 { 108 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 109 struct sta_info *sta = NULL; 110 struct ieee80211_key *key; 111 int err; 112 113 if (!ieee80211_sdata_running(sdata)) 114 return -ENETDOWN; 115 116 /* reject WEP and TKIP keys if WEP failed to initialize */ 117 switch (params->cipher) { 118 case WLAN_CIPHER_SUITE_WEP40: 119 case WLAN_CIPHER_SUITE_TKIP: 120 case WLAN_CIPHER_SUITE_WEP104: 121 if (IS_ERR(sdata->local->wep_tx_tfm)) 122 return -EINVAL; 123 break; 124 default: 125 break; 126 } 127 128 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, 129 params->key, params->seq_len, params->seq); 130 if (IS_ERR(key)) 131 return PTR_ERR(key); 132 133 if (pairwise) 134 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; 135 136 mutex_lock(&sdata->local->sta_mtx); 137 138 if (mac_addr) { 139 sta = sta_info_get_bss(sdata, mac_addr); 140 if (!sta) { 141 ieee80211_key_free(sdata->local, key); 142 err = -ENOENT; 143 goto out_unlock; 144 } 145 } 146 147 err = ieee80211_key_link(key, sdata, sta); 148 if (err) 149 ieee80211_key_free(sdata->local, key); 150 151 out_unlock: 152 mutex_unlock(&sdata->local->sta_mtx); 153 154 return err; 155 } 156 157 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, 158 u8 key_idx, bool pairwise, const u8 *mac_addr) 159 { 160 struct ieee80211_sub_if_data *sdata; 161 struct sta_info *sta; 162 int ret; 163 164 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 165 166 mutex_lock(&sdata->local->sta_mtx); 167 168 if (mac_addr) { 169 ret = -ENOENT; 170 171 sta = sta_info_get_bss(sdata, mac_addr); 172 if (!sta) 173 goto out_unlock; 174 175 if (pairwise) { 176 if (sta->ptk) { 177 ieee80211_key_free(sdata->local, sta->ptk); 178 ret = 0; 179 } 180 } else { 181 if (sta->gtk[key_idx]) { 182 ieee80211_key_free(sdata->local, 183 sta->gtk[key_idx]); 184 ret = 0; 185 } 186 } 187 188 goto out_unlock; 189 } 190 191 if (!sdata->keys[key_idx]) { 192 ret = -ENOENT; 193 goto out_unlock; 194 } 195 196 ieee80211_key_free(sdata->local, sdata->keys[key_idx]); 197 WARN_ON(sdata->keys[key_idx]); 198 199 ret = 0; 200 out_unlock: 201 mutex_unlock(&sdata->local->sta_mtx); 202 203 return ret; 204 } 205 206 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, 207 u8 key_idx, bool pairwise, const u8 *mac_addr, 208 void *cookie, 209 void (*callback)(void *cookie, 210 struct key_params *params)) 211 { 212 struct ieee80211_sub_if_data *sdata; 213 struct sta_info *sta = NULL; 214 u8 seq[6] = {0}; 215 struct key_params params; 216 struct ieee80211_key *key = NULL; 217 u32 iv32; 218 u16 iv16; 219 int err = -ENOENT; 220 221 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 222 223 rcu_read_lock(); 224 225 if (mac_addr) { 226 sta = sta_info_get_bss(sdata, mac_addr); 227 if (!sta) 228 goto out; 229 230 if (pairwise) 231 key = sta->ptk; 232 else if (key_idx < NUM_DEFAULT_KEYS) 233 key = sta->gtk[key_idx]; 234 } else 235 key = sdata->keys[key_idx]; 236 237 if (!key) 238 goto out; 239 240 memset(¶ms, 0, sizeof(params)); 241 242 params.cipher = key->conf.cipher; 243 244 switch (key->conf.cipher) { 245 case WLAN_CIPHER_SUITE_TKIP: 246 iv32 = key->u.tkip.tx.iv32; 247 iv16 = key->u.tkip.tx.iv16; 248 249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) 250 drv_get_tkip_seq(sdata->local, 251 key->conf.hw_key_idx, 252 &iv32, &iv16); 253 254 seq[0] = iv16 & 0xff; 255 seq[1] = (iv16 >> 8) & 0xff; 256 seq[2] = iv32 & 0xff; 257 seq[3] = (iv32 >> 8) & 0xff; 258 seq[4] = (iv32 >> 16) & 0xff; 259 seq[5] = (iv32 >> 24) & 0xff; 260 params.seq = seq; 261 params.seq_len = 6; 262 break; 263 case WLAN_CIPHER_SUITE_CCMP: 264 seq[0] = key->u.ccmp.tx_pn[5]; 265 seq[1] = key->u.ccmp.tx_pn[4]; 266 seq[2] = key->u.ccmp.tx_pn[3]; 267 seq[3] = key->u.ccmp.tx_pn[2]; 268 seq[4] = key->u.ccmp.tx_pn[1]; 269 seq[5] = key->u.ccmp.tx_pn[0]; 270 params.seq = seq; 271 params.seq_len = 6; 272 break; 273 case WLAN_CIPHER_SUITE_AES_CMAC: 274 seq[0] = key->u.aes_cmac.tx_pn[5]; 275 seq[1] = key->u.aes_cmac.tx_pn[4]; 276 seq[2] = key->u.aes_cmac.tx_pn[3]; 277 seq[3] = key->u.aes_cmac.tx_pn[2]; 278 seq[4] = key->u.aes_cmac.tx_pn[1]; 279 seq[5] = key->u.aes_cmac.tx_pn[0]; 280 params.seq = seq; 281 params.seq_len = 6; 282 break; 283 } 284 285 params.key = key->conf.key; 286 params.key_len = key->conf.keylen; 287 288 callback(cookie, ¶ms); 289 err = 0; 290 291 out: 292 rcu_read_unlock(); 293 return err; 294 } 295 296 static int ieee80211_config_default_key(struct wiphy *wiphy, 297 struct net_device *dev, 298 u8 key_idx, bool uni, 299 bool multi) 300 { 301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 302 303 ieee80211_set_default_key(sdata, key_idx, uni, multi); 304 305 return 0; 306 } 307 308 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, 309 struct net_device *dev, 310 u8 key_idx) 311 { 312 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 313 314 ieee80211_set_default_mgmt_key(sdata, key_idx); 315 316 return 0; 317 } 318 319 static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) 320 { 321 if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { 322 struct ieee80211_supported_band *sband; 323 sband = sta->local->hw.wiphy->bands[ 324 sta->local->hw.conf.channel->band]; 325 rate->legacy = sband->bitrates[idx].bitrate; 326 } else 327 rate->mcs = idx; 328 } 329 330 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) 331 { 332 struct ieee80211_sub_if_data *sdata = sta->sdata; 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; 346 347 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); 348 sinfo->rx_bytes = sta->rx_bytes; 349 sinfo->tx_bytes = sta->tx_bytes; 350 sinfo->rx_packets = sta->rx_packets; 351 sinfo->tx_packets = sta->tx_packets; 352 sinfo->tx_retries = sta->tx_retry_count; 353 sinfo->tx_failed = sta->tx_retry_failed; 354 sinfo->rx_dropped_misc = sta->rx_dropped; 355 356 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || 357 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { 358 sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; 359 sinfo->signal = (s8)sta->last_signal; 360 sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); 361 } 362 363 sinfo->txrate.flags = 0; 364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) 365 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; 366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) 367 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) 369 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 370 rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); 371 372 sinfo->rxrate.flags = 0; 373 if (sta->last_rx_rate_flag & RX_FLAG_HT) 374 sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; 375 if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) 376 sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; 377 if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) 378 sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 379 rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); 380 381 if (ieee80211_vif_is_mesh(&sdata->vif)) { 382 #ifdef CONFIG_MAC80211_MESH 383 sinfo->filled |= STATION_INFO_LLID | 384 STATION_INFO_PLID | 385 STATION_INFO_PLINK_STATE; 386 387 sinfo->llid = le16_to_cpu(sta->llid); 388 sinfo->plid = le16_to_cpu(sta->plid); 389 sinfo->plink_state = sta->plink_state; 390 #endif 391 } 392 } 393 394 395 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 396 int idx, u8 *mac, struct station_info *sinfo) 397 { 398 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 399 struct sta_info *sta; 400 int ret = -ENOENT; 401 402 rcu_read_lock(); 403 404 sta = sta_info_get_by_idx(sdata, idx); 405 if (sta) { 406 ret = 0; 407 memcpy(mac, sta->sta.addr, ETH_ALEN); 408 sta_set_sinfo(sta, sinfo); 409 } 410 411 rcu_read_unlock(); 412 413 return ret; 414 } 415 416 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 417 int idx, struct survey_info *survey) 418 { 419 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 420 421 return drv_get_survey(local, idx, survey); 422 } 423 424 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, 425 u8 *mac, struct station_info *sinfo) 426 { 427 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 428 struct sta_info *sta; 429 int ret = -ENOENT; 430 431 rcu_read_lock(); 432 433 sta = sta_info_get_bss(sdata, mac); 434 if (sta) { 435 ret = 0; 436 sta_set_sinfo(sta, sinfo); 437 } 438 439 rcu_read_unlock(); 440 441 return ret; 442 } 443 444 /* 445 * This handles both adding a beacon and setting new beacon info 446 */ 447 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, 448 struct beacon_parameters *params) 449 { 450 struct beacon_data *new, *old; 451 int new_head_len, new_tail_len; 452 int size; 453 int err = -EINVAL; 454 455 old = sdata->u.ap.beacon; 456 457 /* head must not be zero-length */ 458 if (params->head && !params->head_len) 459 return -EINVAL; 460 461 /* 462 * This is a kludge. beacon interval should really be part 463 * of the beacon information. 464 */ 465 if (params->interval && 466 (sdata->vif.bss_conf.beacon_int != params->interval)) { 467 sdata->vif.bss_conf.beacon_int = params->interval; 468 ieee80211_bss_info_change_notify(sdata, 469 BSS_CHANGED_BEACON_INT); 470 } 471 472 /* Need to have a beacon head if we don't have one yet */ 473 if (!params->head && !old) 474 return err; 475 476 /* sorry, no way to start beaconing without dtim period */ 477 if (!params->dtim_period && !old) 478 return err; 479 480 /* new or old head? */ 481 if (params->head) 482 new_head_len = params->head_len; 483 else 484 new_head_len = old->head_len; 485 486 /* new or old tail? */ 487 if (params->tail || !old) 488 /* params->tail_len will be zero for !params->tail */ 489 new_tail_len = params->tail_len; 490 else 491 new_tail_len = old->tail_len; 492 493 size = sizeof(*new) + new_head_len + new_tail_len; 494 495 new = kzalloc(size, GFP_KERNEL); 496 if (!new) 497 return -ENOMEM; 498 499 /* start filling the new info now */ 500 501 /* new or old dtim period? */ 502 if (params->dtim_period) 503 new->dtim_period = params->dtim_period; 504 else 505 new->dtim_period = old->dtim_period; 506 507 /* 508 * pointers go into the block we allocated, 509 * memory is | beacon_data | head | tail | 510 */ 511 new->head = ((u8 *) new) + sizeof(*new); 512 new->tail = new->head + new_head_len; 513 new->head_len = new_head_len; 514 new->tail_len = new_tail_len; 515 516 /* copy in head */ 517 if (params->head) 518 memcpy(new->head, params->head, new_head_len); 519 else 520 memcpy(new->head, old->head, new_head_len); 521 522 /* copy in optional tail */ 523 if (params->tail) 524 memcpy(new->tail, params->tail, new_tail_len); 525 else 526 if (old) 527 memcpy(new->tail, old->tail, new_tail_len); 528 529 sdata->vif.bss_conf.dtim_period = new->dtim_period; 530 531 rcu_assign_pointer(sdata->u.ap.beacon, new); 532 533 synchronize_rcu(); 534 535 kfree(old); 536 537 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | 538 BSS_CHANGED_BEACON); 539 return 0; 540 } 541 542 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, 543 struct beacon_parameters *params) 544 { 545 struct ieee80211_sub_if_data *sdata; 546 struct beacon_data *old; 547 548 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 549 550 old = sdata->u.ap.beacon; 551 552 if (old) 553 return -EALREADY; 554 555 return ieee80211_config_beacon(sdata, params); 556 } 557 558 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, 559 struct beacon_parameters *params) 560 { 561 struct ieee80211_sub_if_data *sdata; 562 struct beacon_data *old; 563 564 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 565 566 old = sdata->u.ap.beacon; 567 568 if (!old) 569 return -ENOENT; 570 571 return ieee80211_config_beacon(sdata, params); 572 } 573 574 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) 575 { 576 struct ieee80211_sub_if_data *sdata; 577 struct beacon_data *old; 578 579 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 580 581 old = sdata->u.ap.beacon; 582 583 if (!old) 584 return -ENOENT; 585 586 rcu_assign_pointer(sdata->u.ap.beacon, NULL); 587 synchronize_rcu(); 588 kfree(old); 589 590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); 591 return 0; 592 } 593 594 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ 595 struct iapp_layer2_update { 596 u8 da[ETH_ALEN]; /* broadcast */ 597 u8 sa[ETH_ALEN]; /* STA addr */ 598 __be16 len; /* 6 */ 599 u8 dsap; /* 0 */ 600 u8 ssap; /* 0 */ 601 u8 control; 602 u8 xid_info[3]; 603 } __packed; 604 605 static void ieee80211_send_layer2_update(struct sta_info *sta) 606 { 607 struct iapp_layer2_update *msg; 608 struct sk_buff *skb; 609 610 /* Send Level 2 Update Frame to update forwarding tables in layer 2 611 * bridge devices */ 612 613 skb = dev_alloc_skb(sizeof(*msg)); 614 if (!skb) 615 return; 616 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); 617 618 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) 619 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ 620 621 memset(msg->da, 0xff, ETH_ALEN); 622 memcpy(msg->sa, sta->sta.addr, ETH_ALEN); 623 msg->len = htons(6); 624 msg->dsap = 0; 625 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ 626 msg->control = 0xaf; /* XID response lsb.1111F101. 627 * F=0 (no poll command; unsolicited frame) */ 628 msg->xid_info[0] = 0x81; /* XID format identifier */ 629 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ 630 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ 631 632 skb->dev = sta->sdata->dev; 633 skb->protocol = eth_type_trans(skb, sta->sdata->dev); 634 memset(skb->cb, 0, sizeof(skb->cb)); 635 netif_rx_ni(skb); 636 } 637 638 static void sta_apply_parameters(struct ieee80211_local *local, 639 struct sta_info *sta, 640 struct station_parameters *params) 641 { 642 unsigned long flags; 643 u32 rates; 644 int i, j; 645 struct ieee80211_supported_band *sband; 646 struct ieee80211_sub_if_data *sdata = sta->sdata; 647 u32 mask, set; 648 649 sband = local->hw.wiphy->bands[local->oper_channel->band]; 650 651 spin_lock_irqsave(&sta->flaglock, flags); 652 mask = params->sta_flags_mask; 653 set = params->sta_flags_set; 654 655 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { 656 sta->flags &= ~WLAN_STA_AUTHORIZED; 657 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) 658 sta->flags |= WLAN_STA_AUTHORIZED; 659 } 660 661 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { 662 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; 663 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) 664 sta->flags |= WLAN_STA_SHORT_PREAMBLE; 665 } 666 667 if (mask & BIT(NL80211_STA_FLAG_WME)) { 668 sta->flags &= ~WLAN_STA_WME; 669 if (set & BIT(NL80211_STA_FLAG_WME)) 670 sta->flags |= WLAN_STA_WME; 671 } 672 673 if (mask & BIT(NL80211_STA_FLAG_MFP)) { 674 sta->flags &= ~WLAN_STA_MFP; 675 if (set & BIT(NL80211_STA_FLAG_MFP)) 676 sta->flags |= WLAN_STA_MFP; 677 } 678 spin_unlock_irqrestore(&sta->flaglock, flags); 679 680 /* 681 * cfg80211 validates this (1-2007) and allows setting the AID 682 * only when creating a new station entry 683 */ 684 if (params->aid) 685 sta->sta.aid = params->aid; 686 687 /* 688 * FIXME: updating the following information is racy when this 689 * function is called from ieee80211_change_station(). 690 * However, all this information should be static so 691 * maybe we should just reject attemps to change it. 692 */ 693 694 if (params->listen_interval >= 0) 695 sta->listen_interval = params->listen_interval; 696 697 if (params->supported_rates) { 698 rates = 0; 699 700 for (i = 0; i < params->supported_rates_len; i++) { 701 int rate = (params->supported_rates[i] & 0x7f) * 5; 702 for (j = 0; j < sband->n_bitrates; j++) { 703 if (sband->bitrates[j].bitrate == rate) 704 rates |= BIT(j); 705 } 706 } 707 sta->sta.supp_rates[local->oper_channel->band] = rates; 708 } 709 710 if (params->ht_capa) 711 ieee80211_ht_cap_ie_to_sta_ht_cap(sband, 712 params->ht_capa, 713 &sta->sta.ht_cap); 714 715 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { 716 switch (params->plink_action) { 717 case PLINK_ACTION_OPEN: 718 mesh_plink_open(sta); 719 break; 720 case PLINK_ACTION_BLOCK: 721 mesh_plink_block(sta); 722 break; 723 } 724 } 725 } 726 727 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, 728 u8 *mac, struct station_parameters *params) 729 { 730 struct ieee80211_local *local = wiphy_priv(wiphy); 731 struct sta_info *sta; 732 struct ieee80211_sub_if_data *sdata; 733 int err; 734 int layer2_update; 735 736 if (params->vlan) { 737 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 738 739 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && 740 sdata->vif.type != NL80211_IFTYPE_AP) 741 return -EINVAL; 742 } else 743 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 744 745 if (compare_ether_addr(mac, sdata->vif.addr) == 0) 746 return -EINVAL; 747 748 if (is_multicast_ether_addr(mac)) 749 return -EINVAL; 750 751 sta = sta_info_alloc(sdata, mac, GFP_KERNEL); 752 if (!sta) 753 return -ENOMEM; 754 755 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; 756 757 sta_apply_parameters(local, sta, params); 758 759 rate_control_rate_init(sta); 760 761 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || 762 sdata->vif.type == NL80211_IFTYPE_AP; 763 764 err = sta_info_insert_rcu(sta); 765 if (err) { 766 rcu_read_unlock(); 767 return err; 768 } 769 770 if (layer2_update) 771 ieee80211_send_layer2_update(sta); 772 773 rcu_read_unlock(); 774 775 return 0; 776 } 777 778 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, 779 u8 *mac) 780 { 781 struct ieee80211_local *local = wiphy_priv(wiphy); 782 struct ieee80211_sub_if_data *sdata; 783 784 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 785 786 if (mac) 787 return sta_info_destroy_addr_bss(sdata, mac); 788 789 sta_info_flush(local, sdata); 790 return 0; 791 } 792 793 static int ieee80211_change_station(struct wiphy *wiphy, 794 struct net_device *dev, 795 u8 *mac, 796 struct station_parameters *params) 797 { 798 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 799 struct ieee80211_local *local = wiphy_priv(wiphy); 800 struct sta_info *sta; 801 struct ieee80211_sub_if_data *vlansdata; 802 803 rcu_read_lock(); 804 805 sta = sta_info_get_bss(sdata, mac); 806 if (!sta) { 807 rcu_read_unlock(); 808 return -ENOENT; 809 } 810 811 if (params->vlan && params->vlan != sta->sdata->dev) { 812 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); 813 814 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && 815 vlansdata->vif.type != NL80211_IFTYPE_AP) { 816 rcu_read_unlock(); 817 return -EINVAL; 818 } 819 820 if (params->vlan->ieee80211_ptr->use_4addr) { 821 if (vlansdata->u.vlan.sta) { 822 rcu_read_unlock(); 823 return -EBUSY; 824 } 825 826 rcu_assign_pointer(vlansdata->u.vlan.sta, sta); 827 } 828 829 sta->sdata = vlansdata; 830 ieee80211_send_layer2_update(sta); 831 } 832 833 sta_apply_parameters(local, sta, params); 834 835 rcu_read_unlock(); 836 837 if (sdata->vif.type == NL80211_IFTYPE_STATION && 838 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) 839 ieee80211_recalc_ps(local, -1); 840 841 return 0; 842 } 843 844 #ifdef CONFIG_MAC80211_MESH 845 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, 846 u8 *dst, u8 *next_hop) 847 { 848 struct ieee80211_sub_if_data *sdata; 849 struct mesh_path *mpath; 850 struct sta_info *sta; 851 int err; 852 853 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 854 855 rcu_read_lock(); 856 sta = sta_info_get(sdata, next_hop); 857 if (!sta) { 858 rcu_read_unlock(); 859 return -ENOENT; 860 } 861 862 err = mesh_path_add(dst, sdata); 863 if (err) { 864 rcu_read_unlock(); 865 return err; 866 } 867 868 mpath = mesh_path_lookup(dst, sdata); 869 if (!mpath) { 870 rcu_read_unlock(); 871 return -ENXIO; 872 } 873 mesh_path_fix_nexthop(mpath, sta); 874 875 rcu_read_unlock(); 876 return 0; 877 } 878 879 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, 880 u8 *dst) 881 { 882 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 883 884 if (dst) 885 return mesh_path_del(dst, sdata); 886 887 mesh_path_flush(sdata); 888 return 0; 889 } 890 891 static int ieee80211_change_mpath(struct wiphy *wiphy, 892 struct net_device *dev, 893 u8 *dst, u8 *next_hop) 894 { 895 struct ieee80211_sub_if_data *sdata; 896 struct mesh_path *mpath; 897 struct sta_info *sta; 898 899 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 900 901 rcu_read_lock(); 902 903 sta = sta_info_get(sdata, next_hop); 904 if (!sta) { 905 rcu_read_unlock(); 906 return -ENOENT; 907 } 908 909 mpath = mesh_path_lookup(dst, sdata); 910 if (!mpath) { 911 rcu_read_unlock(); 912 return -ENOENT; 913 } 914 915 mesh_path_fix_nexthop(mpath, sta); 916 917 rcu_read_unlock(); 918 return 0; 919 } 920 921 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, 922 struct mpath_info *pinfo) 923 { 924 if (mpath->next_hop) 925 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); 926 else 927 memset(next_hop, 0, ETH_ALEN); 928 929 pinfo->generation = mesh_paths_generation; 930 931 pinfo->filled = MPATH_INFO_FRAME_QLEN | 932 MPATH_INFO_SN | 933 MPATH_INFO_METRIC | 934 MPATH_INFO_EXPTIME | 935 MPATH_INFO_DISCOVERY_TIMEOUT | 936 MPATH_INFO_DISCOVERY_RETRIES | 937 MPATH_INFO_FLAGS; 938 939 pinfo->frame_qlen = mpath->frame_queue.qlen; 940 pinfo->sn = mpath->sn; 941 pinfo->metric = mpath->metric; 942 if (time_before(jiffies, mpath->exp_time)) 943 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); 944 pinfo->discovery_timeout = 945 jiffies_to_msecs(mpath->discovery_timeout); 946 pinfo->discovery_retries = mpath->discovery_retries; 947 pinfo->flags = 0; 948 if (mpath->flags & MESH_PATH_ACTIVE) 949 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; 950 if (mpath->flags & MESH_PATH_RESOLVING) 951 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 952 if (mpath->flags & MESH_PATH_SN_VALID) 953 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; 954 if (mpath->flags & MESH_PATH_FIXED) 955 pinfo->flags |= NL80211_MPATH_FLAG_FIXED; 956 if (mpath->flags & MESH_PATH_RESOLVING) 957 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; 958 959 pinfo->flags = mpath->flags; 960 } 961 962 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, 963 u8 *dst, u8 *next_hop, struct mpath_info *pinfo) 964 965 { 966 struct ieee80211_sub_if_data *sdata; 967 struct mesh_path *mpath; 968 969 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 970 971 rcu_read_lock(); 972 mpath = mesh_path_lookup(dst, sdata); 973 if (!mpath) { 974 rcu_read_unlock(); 975 return -ENOENT; 976 } 977 memcpy(dst, mpath->dst, ETH_ALEN); 978 mpath_set_pinfo(mpath, next_hop, pinfo); 979 rcu_read_unlock(); 980 return 0; 981 } 982 983 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, 984 int idx, u8 *dst, u8 *next_hop, 985 struct mpath_info *pinfo) 986 { 987 struct ieee80211_sub_if_data *sdata; 988 struct mesh_path *mpath; 989 990 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 991 992 rcu_read_lock(); 993 mpath = mesh_path_lookup_by_idx(idx, sdata); 994 if (!mpath) { 995 rcu_read_unlock(); 996 return -ENOENT; 997 } 998 memcpy(dst, mpath->dst, ETH_ALEN); 999 mpath_set_pinfo(mpath, next_hop, pinfo); 1000 rcu_read_unlock(); 1001 return 0; 1002 } 1003 1004 static int ieee80211_get_mesh_config(struct wiphy *wiphy, 1005 struct net_device *dev, 1006 struct mesh_config *conf) 1007 { 1008 struct ieee80211_sub_if_data *sdata; 1009 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1010 1011 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); 1012 return 0; 1013 } 1014 1015 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) 1016 { 1017 return (mask >> (parm-1)) & 0x1; 1018 } 1019 1020 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, 1021 const struct mesh_setup *setup) 1022 { 1023 u8 *new_ie; 1024 const u8 *old_ie; 1025 1026 /* first allocate the new vendor information element */ 1027 new_ie = NULL; 1028 old_ie = ifmsh->vendor_ie; 1029 1030 ifmsh->vendor_ie_len = setup->vendor_ie_len; 1031 if (setup->vendor_ie_len) { 1032 new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len, 1033 GFP_KERNEL); 1034 if (!new_ie) 1035 return -ENOMEM; 1036 } 1037 1038 /* now copy the rest of the setup parameters */ 1039 ifmsh->mesh_id_len = setup->mesh_id_len; 1040 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); 1041 ifmsh->mesh_pp_id = setup->path_sel_proto; 1042 ifmsh->mesh_pm_id = setup->path_metric; 1043 ifmsh->vendor_ie = new_ie; 1044 1045 kfree(old_ie); 1046 1047 return 0; 1048 } 1049 1050 static int ieee80211_update_mesh_config(struct wiphy *wiphy, 1051 struct net_device *dev, u32 mask, 1052 const struct mesh_config *nconf) 1053 { 1054 struct mesh_config *conf; 1055 struct ieee80211_sub_if_data *sdata; 1056 struct ieee80211_if_mesh *ifmsh; 1057 1058 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1059 ifmsh = &sdata->u.mesh; 1060 1061 /* Set the config options which we are interested in setting */ 1062 conf = &(sdata->u.mesh.mshcfg); 1063 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) 1064 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; 1065 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) 1066 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; 1067 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) 1068 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; 1069 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) 1070 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; 1071 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) 1072 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; 1073 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) 1074 conf->dot11MeshTTL = nconf->dot11MeshTTL; 1075 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) 1076 conf->dot11MeshTTL = nconf->element_ttl; 1077 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) 1078 conf->auto_open_plinks = nconf->auto_open_plinks; 1079 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) 1080 conf->dot11MeshHWMPmaxPREQretries = 1081 nconf->dot11MeshHWMPmaxPREQretries; 1082 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) 1083 conf->path_refresh_time = nconf->path_refresh_time; 1084 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) 1085 conf->min_discovery_timeout = nconf->min_discovery_timeout; 1086 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) 1087 conf->dot11MeshHWMPactivePathTimeout = 1088 nconf->dot11MeshHWMPactivePathTimeout; 1089 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) 1090 conf->dot11MeshHWMPpreqMinInterval = 1091 nconf->dot11MeshHWMPpreqMinInterval; 1092 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, 1093 mask)) 1094 conf->dot11MeshHWMPnetDiameterTraversalTime = 1095 nconf->dot11MeshHWMPnetDiameterTraversalTime; 1096 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { 1097 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; 1098 ieee80211_mesh_root_setup(ifmsh); 1099 } 1100 return 0; 1101 } 1102 1103 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, 1104 const struct mesh_config *conf, 1105 const struct mesh_setup *setup) 1106 { 1107 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1108 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; 1109 int err; 1110 1111 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); 1112 err = copy_mesh_setup(ifmsh, setup); 1113 if (err) 1114 return err; 1115 ieee80211_start_mesh(sdata); 1116 1117 return 0; 1118 } 1119 1120 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) 1121 { 1122 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1123 1124 ieee80211_stop_mesh(sdata); 1125 1126 return 0; 1127 } 1128 #endif 1129 1130 static int ieee80211_change_bss(struct wiphy *wiphy, 1131 struct net_device *dev, 1132 struct bss_parameters *params) 1133 { 1134 struct ieee80211_sub_if_data *sdata; 1135 u32 changed = 0; 1136 1137 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1138 1139 if (params->use_cts_prot >= 0) { 1140 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; 1141 changed |= BSS_CHANGED_ERP_CTS_PROT; 1142 } 1143 if (params->use_short_preamble >= 0) { 1144 sdata->vif.bss_conf.use_short_preamble = 1145 params->use_short_preamble; 1146 changed |= BSS_CHANGED_ERP_PREAMBLE; 1147 } 1148 1149 if (!sdata->vif.bss_conf.use_short_slot && 1150 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { 1151 sdata->vif.bss_conf.use_short_slot = true; 1152 changed |= BSS_CHANGED_ERP_SLOT; 1153 } 1154 1155 if (params->use_short_slot_time >= 0) { 1156 sdata->vif.bss_conf.use_short_slot = 1157 params->use_short_slot_time; 1158 changed |= BSS_CHANGED_ERP_SLOT; 1159 } 1160 1161 if (params->basic_rates) { 1162 int i, j; 1163 u32 rates = 0; 1164 struct ieee80211_local *local = wiphy_priv(wiphy); 1165 struct ieee80211_supported_band *sband = 1166 wiphy->bands[local->oper_channel->band]; 1167 1168 for (i = 0; i < params->basic_rates_len; i++) { 1169 int rate = (params->basic_rates[i] & 0x7f) * 5; 1170 for (j = 0; j < sband->n_bitrates; j++) { 1171 if (sband->bitrates[j].bitrate == rate) 1172 rates |= BIT(j); 1173 } 1174 } 1175 sdata->vif.bss_conf.basic_rates = rates; 1176 changed |= BSS_CHANGED_BASIC_RATES; 1177 } 1178 1179 if (params->ap_isolate >= 0) { 1180 if (params->ap_isolate) 1181 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1182 else 1183 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; 1184 } 1185 1186 if (params->ht_opmode >= 0) { 1187 sdata->vif.bss_conf.ht_operation_mode = 1188 (u16) params->ht_opmode; 1189 changed |= BSS_CHANGED_HT; 1190 } 1191 1192 ieee80211_bss_info_change_notify(sdata, changed); 1193 1194 return 0; 1195 } 1196 1197 static int ieee80211_set_txq_params(struct wiphy *wiphy, 1198 struct ieee80211_txq_params *params) 1199 { 1200 struct ieee80211_local *local = wiphy_priv(wiphy); 1201 struct ieee80211_tx_queue_params p; 1202 1203 if (!local->ops->conf_tx) 1204 return -EOPNOTSUPP; 1205 1206 memset(&p, 0, sizeof(p)); 1207 p.aifs = params->aifs; 1208 p.cw_max = params->cwmax; 1209 p.cw_min = params->cwmin; 1210 p.txop = params->txop; 1211 1212 /* 1213 * Setting tx queue params disables u-apsd because it's only 1214 * called in master mode. 1215 */ 1216 p.uapsd = false; 1217 1218 if (drv_conf_tx(local, params->queue, &p)) { 1219 wiphy_debug(local->hw.wiphy, 1220 "failed to set TX queue parameters for queue %d\n", 1221 params->queue); 1222 return -EINVAL; 1223 } 1224 1225 return 0; 1226 } 1227 1228 static int ieee80211_set_channel(struct wiphy *wiphy, 1229 struct net_device *netdev, 1230 struct ieee80211_channel *chan, 1231 enum nl80211_channel_type channel_type) 1232 { 1233 struct ieee80211_local *local = wiphy_priv(wiphy); 1234 struct ieee80211_sub_if_data *sdata = NULL; 1235 struct ieee80211_channel *old_oper; 1236 enum nl80211_channel_type old_oper_type; 1237 enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; 1238 1239 if (netdev) 1240 sdata = IEEE80211_DEV_TO_SUB_IF(netdev); 1241 1242 switch (ieee80211_get_channel_mode(local, NULL)) { 1243 case CHAN_MODE_HOPPING: 1244 return -EBUSY; 1245 case CHAN_MODE_FIXED: 1246 if (local->oper_channel != chan) 1247 return -EBUSY; 1248 if (!sdata && local->_oper_channel_type == channel_type) 1249 return 0; 1250 break; 1251 case CHAN_MODE_UNDEFINED: 1252 break; 1253 } 1254 1255 if (sdata) 1256 old_vif_oper_type = sdata->vif.bss_conf.channel_type; 1257 old_oper_type = local->_oper_channel_type; 1258 1259 if (!ieee80211_set_channel_type(local, sdata, channel_type)) 1260 return -EBUSY; 1261 1262 old_oper = local->oper_channel; 1263 local->oper_channel = chan; 1264 1265 /* Update driver if changes were actually made. */ 1266 if ((old_oper != local->oper_channel) || 1267 (old_oper_type != local->_oper_channel_type)) 1268 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); 1269 1270 if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && 1271 old_vif_oper_type != sdata->vif.bss_conf.channel_type) 1272 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); 1273 1274 return 0; 1275 } 1276 1277 #ifdef CONFIG_PM 1278 static int ieee80211_suspend(struct wiphy *wiphy) 1279 { 1280 return __ieee80211_suspend(wiphy_priv(wiphy)); 1281 } 1282 1283 static int ieee80211_resume(struct wiphy *wiphy) 1284 { 1285 return __ieee80211_resume(wiphy_priv(wiphy)); 1286 } 1287 #else 1288 #define ieee80211_suspend NULL 1289 #define ieee80211_resume NULL 1290 #endif 1291 1292 static int ieee80211_scan(struct wiphy *wiphy, 1293 struct net_device *dev, 1294 struct cfg80211_scan_request *req) 1295 { 1296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1297 1298 switch (ieee80211_vif_type_p2p(&sdata->vif)) { 1299 case NL80211_IFTYPE_STATION: 1300 case NL80211_IFTYPE_ADHOC: 1301 case NL80211_IFTYPE_MESH_POINT: 1302 case NL80211_IFTYPE_P2P_CLIENT: 1303 break; 1304 case NL80211_IFTYPE_P2P_GO: 1305 if (sdata->local->ops->hw_scan) 1306 break; 1307 /* 1308 * FIXME: implement NoA while scanning in software, 1309 * for now fall through to allow scanning only when 1310 * beaconing hasn't been configured yet 1311 */ 1312 case NL80211_IFTYPE_AP: 1313 if (sdata->u.ap.beacon) 1314 return -EOPNOTSUPP; 1315 break; 1316 default: 1317 return -EOPNOTSUPP; 1318 } 1319 1320 return ieee80211_request_scan(sdata, req); 1321 } 1322 1323 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, 1324 struct cfg80211_auth_request *req) 1325 { 1326 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); 1327 } 1328 1329 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, 1330 struct cfg80211_assoc_request *req) 1331 { 1332 struct ieee80211_local *local = wiphy_priv(wiphy); 1333 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1334 1335 switch (ieee80211_get_channel_mode(local, sdata)) { 1336 case CHAN_MODE_HOPPING: 1337 return -EBUSY; 1338 case CHAN_MODE_FIXED: 1339 if (local->oper_channel == req->bss->channel) 1340 break; 1341 return -EBUSY; 1342 case CHAN_MODE_UNDEFINED: 1343 break; 1344 } 1345 1346 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); 1347 } 1348 1349 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, 1350 struct cfg80211_deauth_request *req, 1351 void *cookie) 1352 { 1353 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), 1354 req, cookie); 1355 } 1356 1357 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, 1358 struct cfg80211_disassoc_request *req, 1359 void *cookie) 1360 { 1361 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), 1362 req, cookie); 1363 } 1364 1365 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 1366 struct cfg80211_ibss_params *params) 1367 { 1368 struct ieee80211_local *local = wiphy_priv(wiphy); 1369 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1370 1371 switch (ieee80211_get_channel_mode(local, sdata)) { 1372 case CHAN_MODE_HOPPING: 1373 return -EBUSY; 1374 case CHAN_MODE_FIXED: 1375 if (!params->channel_fixed) 1376 return -EBUSY; 1377 if (local->oper_channel == params->channel) 1378 break; 1379 return -EBUSY; 1380 case CHAN_MODE_UNDEFINED: 1381 break; 1382 } 1383 1384 return ieee80211_ibss_join(sdata, params); 1385 } 1386 1387 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 1388 { 1389 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1390 1391 return ieee80211_ibss_leave(sdata); 1392 } 1393 1394 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 1395 { 1396 struct ieee80211_local *local = wiphy_priv(wiphy); 1397 int err; 1398 1399 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 1400 err = drv_set_frag_threshold(local, wiphy->frag_threshold); 1401 1402 if (err) 1403 return err; 1404 } 1405 1406 if (changed & WIPHY_PARAM_COVERAGE_CLASS) { 1407 err = drv_set_coverage_class(local, wiphy->coverage_class); 1408 1409 if (err) 1410 return err; 1411 } 1412 1413 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 1414 err = drv_set_rts_threshold(local, wiphy->rts_threshold); 1415 1416 if (err) 1417 return err; 1418 } 1419 1420 if (changed & WIPHY_PARAM_RETRY_SHORT) 1421 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; 1422 if (changed & WIPHY_PARAM_RETRY_LONG) 1423 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; 1424 if (changed & 1425 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) 1426 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); 1427 1428 return 0; 1429 } 1430 1431 static int ieee80211_set_tx_power(struct wiphy *wiphy, 1432 enum nl80211_tx_power_setting type, int mbm) 1433 { 1434 struct ieee80211_local *local = wiphy_priv(wiphy); 1435 struct ieee80211_channel *chan = local->hw.conf.channel; 1436 u32 changes = 0; 1437 1438 switch (type) { 1439 case NL80211_TX_POWER_AUTOMATIC: 1440 local->user_power_level = -1; 1441 break; 1442 case NL80211_TX_POWER_LIMITED: 1443 if (mbm < 0 || (mbm % 100)) 1444 return -EOPNOTSUPP; 1445 local->user_power_level = MBM_TO_DBM(mbm); 1446 break; 1447 case NL80211_TX_POWER_FIXED: 1448 if (mbm < 0 || (mbm % 100)) 1449 return -EOPNOTSUPP; 1450 /* TODO: move to cfg80211 when it knows the channel */ 1451 if (MBM_TO_DBM(mbm) > chan->max_power) 1452 return -EINVAL; 1453 local->user_power_level = MBM_TO_DBM(mbm); 1454 break; 1455 } 1456 1457 ieee80211_hw_config(local, changes); 1458 1459 return 0; 1460 } 1461 1462 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) 1463 { 1464 struct ieee80211_local *local = wiphy_priv(wiphy); 1465 1466 *dbm = local->hw.conf.power_level; 1467 1468 return 0; 1469 } 1470 1471 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, 1472 const u8 *addr) 1473 { 1474 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1475 1476 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); 1477 1478 return 0; 1479 } 1480 1481 static void ieee80211_rfkill_poll(struct wiphy *wiphy) 1482 { 1483 struct ieee80211_local *local = wiphy_priv(wiphy); 1484 1485 drv_rfkill_poll(local); 1486 } 1487 1488 #ifdef CONFIG_NL80211_TESTMODE 1489 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) 1490 { 1491 struct ieee80211_local *local = wiphy_priv(wiphy); 1492 1493 if (!local->ops->testmode_cmd) 1494 return -EOPNOTSUPP; 1495 1496 return local->ops->testmode_cmd(&local->hw, data, len); 1497 } 1498 #endif 1499 1500 int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, 1501 enum ieee80211_smps_mode smps_mode) 1502 { 1503 const u8 *ap; 1504 enum ieee80211_smps_mode old_req; 1505 int err; 1506 1507 old_req = sdata->u.mgd.req_smps; 1508 sdata->u.mgd.req_smps = smps_mode; 1509 1510 if (old_req == smps_mode && 1511 smps_mode != IEEE80211_SMPS_AUTOMATIC) 1512 return 0; 1513 1514 /* 1515 * If not associated, or current association is not an HT 1516 * association, there's no need to send an action frame. 1517 */ 1518 if (!sdata->u.mgd.associated || 1519 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { 1520 mutex_lock(&sdata->local->iflist_mtx); 1521 ieee80211_recalc_smps(sdata->local); 1522 mutex_unlock(&sdata->local->iflist_mtx); 1523 return 0; 1524 } 1525 1526 ap = sdata->u.mgd.associated->bssid; 1527 1528 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { 1529 if (sdata->u.mgd.powersave) 1530 smps_mode = IEEE80211_SMPS_DYNAMIC; 1531 else 1532 smps_mode = IEEE80211_SMPS_OFF; 1533 } 1534 1535 /* send SM PS frame to AP */ 1536 err = ieee80211_send_smps_action(sdata, smps_mode, 1537 ap, ap); 1538 if (err) 1539 sdata->u.mgd.req_smps = old_req; 1540 1541 return err; 1542 } 1543 1544 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, 1545 bool enabled, int timeout) 1546 { 1547 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1548 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1549 1550 if (sdata->vif.type != NL80211_IFTYPE_STATION) 1551 return -EOPNOTSUPP; 1552 1553 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) 1554 return -EOPNOTSUPP; 1555 1556 if (enabled == sdata->u.mgd.powersave && 1557 timeout == local->dynamic_ps_forced_timeout) 1558 return 0; 1559 1560 sdata->u.mgd.powersave = enabled; 1561 local->dynamic_ps_forced_timeout = timeout; 1562 1563 /* no change, but if automatic follow powersave */ 1564 mutex_lock(&sdata->u.mgd.mtx); 1565 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); 1566 mutex_unlock(&sdata->u.mgd.mtx); 1567 1568 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) 1569 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); 1570 1571 ieee80211_recalc_ps(local, -1); 1572 1573 return 0; 1574 } 1575 1576 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, 1577 struct net_device *dev, 1578 s32 rssi_thold, u32 rssi_hyst) 1579 { 1580 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1581 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1582 struct ieee80211_vif *vif = &sdata->vif; 1583 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; 1584 1585 if (rssi_thold == bss_conf->cqm_rssi_thold && 1586 rssi_hyst == bss_conf->cqm_rssi_hyst) 1587 return 0; 1588 1589 bss_conf->cqm_rssi_thold = rssi_thold; 1590 bss_conf->cqm_rssi_hyst = rssi_hyst; 1591 1592 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { 1593 if (sdata->vif.type != NL80211_IFTYPE_STATION) 1594 return -EOPNOTSUPP; 1595 return 0; 1596 } 1597 1598 /* tell the driver upon association, unless already associated */ 1599 if (sdata->u.mgd.associated) 1600 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); 1601 1602 return 0; 1603 } 1604 1605 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, 1606 struct net_device *dev, 1607 const u8 *addr, 1608 const struct cfg80211_bitrate_mask *mask) 1609 { 1610 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1611 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 1612 int i; 1613 1614 /* 1615 * This _could_ be supported by providing a hook for 1616 * drivers for this function, but at this point it 1617 * doesn't seem worth bothering. 1618 */ 1619 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) 1620 return -EOPNOTSUPP; 1621 1622 1623 for (i = 0; i < IEEE80211_NUM_BANDS; i++) 1624 sdata->rc_rateidx_mask[i] = mask->control[i].legacy; 1625 1626 return 0; 1627 } 1628 1629 static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, 1630 struct net_device *dev, 1631 struct ieee80211_channel *chan, 1632 enum nl80211_channel_type chantype, 1633 unsigned int duration, u64 *cookie) 1634 { 1635 int ret; 1636 u32 random_cookie; 1637 1638 lockdep_assert_held(&local->mtx); 1639 1640 if (local->hw_roc_cookie) 1641 return -EBUSY; 1642 /* must be nonzero */ 1643 random_cookie = random32() | 1; 1644 1645 *cookie = random_cookie; 1646 local->hw_roc_dev = dev; 1647 local->hw_roc_cookie = random_cookie; 1648 local->hw_roc_channel = chan; 1649 local->hw_roc_channel_type = chantype; 1650 local->hw_roc_duration = duration; 1651 ret = drv_remain_on_channel(local, chan, chantype, duration); 1652 if (ret) { 1653 local->hw_roc_channel = NULL; 1654 local->hw_roc_cookie = 0; 1655 } 1656 1657 return ret; 1658 } 1659 1660 static int ieee80211_remain_on_channel(struct wiphy *wiphy, 1661 struct net_device *dev, 1662 struct ieee80211_channel *chan, 1663 enum nl80211_channel_type channel_type, 1664 unsigned int duration, 1665 u64 *cookie) 1666 { 1667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1668 struct ieee80211_local *local = sdata->local; 1669 1670 if (local->ops->remain_on_channel) { 1671 int ret; 1672 1673 mutex_lock(&local->mtx); 1674 ret = ieee80211_remain_on_channel_hw(local, dev, 1675 chan, channel_type, 1676 duration, cookie); 1677 local->hw_roc_for_tx = false; 1678 mutex_unlock(&local->mtx); 1679 1680 return ret; 1681 } 1682 1683 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, 1684 duration, cookie); 1685 } 1686 1687 static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, 1688 u64 cookie) 1689 { 1690 int ret; 1691 1692 lockdep_assert_held(&local->mtx); 1693 1694 if (local->hw_roc_cookie != cookie) 1695 return -ENOENT; 1696 1697 ret = drv_cancel_remain_on_channel(local); 1698 if (ret) 1699 return ret; 1700 1701 local->hw_roc_cookie = 0; 1702 local->hw_roc_channel = NULL; 1703 1704 ieee80211_recalc_idle(local); 1705 1706 return 0; 1707 } 1708 1709 static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, 1710 struct net_device *dev, 1711 u64 cookie) 1712 { 1713 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1714 struct ieee80211_local *local = sdata->local; 1715 1716 if (local->ops->cancel_remain_on_channel) { 1717 int ret; 1718 1719 mutex_lock(&local->mtx); 1720 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); 1721 mutex_unlock(&local->mtx); 1722 1723 return ret; 1724 } 1725 1726 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); 1727 } 1728 1729 static enum work_done_result 1730 ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) 1731 { 1732 /* 1733 * Use the data embedded in the work struct for reporting 1734 * here so if the driver mangled the SKB before dropping 1735 * it (which is the only way we really should get here) 1736 * then we don't report mangled data. 1737 * 1738 * If there was no wait time, then by the time we get here 1739 * the driver will likely not have reported the status yet, 1740 * so in that case userspace will have to deal with it. 1741 */ 1742 1743 if (wk->offchan_tx.wait && wk->offchan_tx.frame) 1744 cfg80211_mgmt_tx_status(wk->sdata->dev, 1745 (unsigned long) wk->offchan_tx.frame, 1746 wk->ie, wk->ie_len, false, GFP_KERNEL); 1747 1748 return WORK_DONE_DESTROY; 1749 } 1750 1751 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, 1752 struct ieee80211_channel *chan, bool offchan, 1753 enum nl80211_channel_type channel_type, 1754 bool channel_type_valid, unsigned int wait, 1755 const u8 *buf, size_t len, u64 *cookie) 1756 { 1757 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1758 struct ieee80211_local *local = sdata->local; 1759 struct sk_buff *skb; 1760 struct sta_info *sta; 1761 struct ieee80211_work *wk; 1762 const struct ieee80211_mgmt *mgmt = (void *)buf; 1763 u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | 1764 IEEE80211_TX_CTL_REQ_TX_STATUS; 1765 bool is_offchan = false; 1766 1767 /* Check that we are on the requested channel for transmission */ 1768 if (chan != local->tmp_channel && 1769 chan != local->oper_channel) 1770 is_offchan = true; 1771 if (channel_type_valid && 1772 (channel_type != local->tmp_channel_type && 1773 channel_type != local->_oper_channel_type)) 1774 is_offchan = true; 1775 1776 if (chan == local->hw_roc_channel) { 1777 /* TODO: check channel type? */ 1778 is_offchan = false; 1779 flags |= IEEE80211_TX_CTL_TX_OFFCHAN; 1780 } 1781 1782 if (is_offchan && !offchan) 1783 return -EBUSY; 1784 1785 switch (sdata->vif.type) { 1786 case NL80211_IFTYPE_ADHOC: 1787 case NL80211_IFTYPE_AP: 1788 case NL80211_IFTYPE_AP_VLAN: 1789 case NL80211_IFTYPE_P2P_GO: 1790 case NL80211_IFTYPE_MESH_POINT: 1791 if (!ieee80211_is_action(mgmt->frame_control) || 1792 mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) 1793 break; 1794 rcu_read_lock(); 1795 sta = sta_info_get(sdata, mgmt->da); 1796 rcu_read_unlock(); 1797 if (!sta) 1798 return -ENOLINK; 1799 break; 1800 case NL80211_IFTYPE_STATION: 1801 case NL80211_IFTYPE_P2P_CLIENT: 1802 break; 1803 default: 1804 return -EOPNOTSUPP; 1805 } 1806 1807 skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); 1808 if (!skb) 1809 return -ENOMEM; 1810 skb_reserve(skb, local->hw.extra_tx_headroom); 1811 1812 memcpy(skb_put(skb, len), buf, len); 1813 1814 IEEE80211_SKB_CB(skb)->flags = flags; 1815 1816 skb->dev = sdata->dev; 1817 1818 *cookie = (unsigned long) skb; 1819 1820 if (is_offchan && local->ops->offchannel_tx) { 1821 int ret; 1822 1823 IEEE80211_SKB_CB(skb)->band = chan->band; 1824 1825 mutex_lock(&local->mtx); 1826 1827 if (local->hw_offchan_tx_cookie) { 1828 mutex_unlock(&local->mtx); 1829 return -EBUSY; 1830 } 1831 1832 /* TODO: bitrate control, TX processing? */ 1833 ret = drv_offchannel_tx(local, skb, chan, channel_type, wait); 1834 1835 if (ret == 0) 1836 local->hw_offchan_tx_cookie = *cookie; 1837 mutex_unlock(&local->mtx); 1838 1839 /* 1840 * Allow driver to return 1 to indicate it wants to have the 1841 * frame transmitted with a remain_on_channel + regular TX. 1842 */ 1843 if (ret != 1) 1844 return ret; 1845 } 1846 1847 if (is_offchan && local->ops->remain_on_channel) { 1848 unsigned int duration; 1849 int ret; 1850 1851 mutex_lock(&local->mtx); 1852 /* 1853 * If the duration is zero, then the driver 1854 * wouldn't actually do anything. Set it to 1855 * 100 for now. 1856 * 1857 * TODO: cancel the off-channel operation 1858 * when we get the SKB's TX status and 1859 * the wait time was zero before. 1860 */ 1861 duration = 100; 1862 if (wait) 1863 duration = wait; 1864 ret = ieee80211_remain_on_channel_hw(local, dev, chan, 1865 channel_type, 1866 duration, cookie); 1867 if (ret) { 1868 kfree_skb(skb); 1869 mutex_unlock(&local->mtx); 1870 return ret; 1871 } 1872 1873 local->hw_roc_for_tx = true; 1874 local->hw_roc_duration = wait; 1875 1876 /* 1877 * queue up frame for transmission after 1878 * ieee80211_ready_on_channel call 1879 */ 1880 1881 /* modify cookie to prevent API mismatches */ 1882 *cookie ^= 2; 1883 IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; 1884 local->hw_roc_skb = skb; 1885 local->hw_roc_skb_for_status = skb; 1886 mutex_unlock(&local->mtx); 1887 1888 return 0; 1889 } 1890 1891 /* 1892 * Can transmit right away if the channel was the 1893 * right one and there's no wait involved... If a 1894 * wait is involved, we might otherwise not be on 1895 * the right channel for long enough! 1896 */ 1897 if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { 1898 ieee80211_tx_skb(sdata, skb); 1899 return 0; 1900 } 1901 1902 wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); 1903 if (!wk) { 1904 kfree_skb(skb); 1905 return -ENOMEM; 1906 } 1907 1908 wk->type = IEEE80211_WORK_OFFCHANNEL_TX; 1909 wk->chan = chan; 1910 wk->chan_type = channel_type; 1911 wk->sdata = sdata; 1912 wk->done = ieee80211_offchan_tx_done; 1913 wk->offchan_tx.frame = skb; 1914 wk->offchan_tx.wait = wait; 1915 wk->ie_len = len; 1916 memcpy(wk->ie, buf, len); 1917 1918 ieee80211_add_work(wk); 1919 return 0; 1920 } 1921 1922 static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, 1923 struct net_device *dev, 1924 u64 cookie) 1925 { 1926 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 1927 struct ieee80211_local *local = sdata->local; 1928 struct ieee80211_work *wk; 1929 int ret = -ENOENT; 1930 1931 mutex_lock(&local->mtx); 1932 1933 if (local->ops->offchannel_tx_cancel_wait && 1934 local->hw_offchan_tx_cookie == cookie) { 1935 ret = drv_offchannel_tx_cancel_wait(local); 1936 1937 if (!ret) 1938 local->hw_offchan_tx_cookie = 0; 1939 1940 mutex_unlock(&local->mtx); 1941 1942 return ret; 1943 } 1944 1945 if (local->ops->cancel_remain_on_channel) { 1946 cookie ^= 2; 1947 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); 1948 1949 if (ret == 0) { 1950 kfree_skb(local->hw_roc_skb); 1951 local->hw_roc_skb = NULL; 1952 local->hw_roc_skb_for_status = NULL; 1953 } 1954 1955 mutex_unlock(&local->mtx); 1956 1957 return ret; 1958 } 1959 1960 list_for_each_entry(wk, &local->work_list, list) { 1961 if (wk->sdata != sdata) 1962 continue; 1963 1964 if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) 1965 continue; 1966 1967 if (cookie != (unsigned long) wk->offchan_tx.frame) 1968 continue; 1969 1970 wk->timeout = jiffies; 1971 1972 ieee80211_queue_work(&local->hw, &local->work_work); 1973 ret = 0; 1974 break; 1975 } 1976 mutex_unlock(&local->mtx); 1977 1978 return ret; 1979 } 1980 1981 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, 1982 struct net_device *dev, 1983 u16 frame_type, bool reg) 1984 { 1985 struct ieee80211_local *local = wiphy_priv(wiphy); 1986 1987 if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) 1988 return; 1989 1990 if (reg) 1991 local->probe_req_reg++; 1992 else 1993 local->probe_req_reg--; 1994 1995 ieee80211_queue_work(&local->hw, &local->reconfig_filter); 1996 } 1997 1998 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1999 { 2000 struct ieee80211_local *local = wiphy_priv(wiphy); 2001 2002 if (local->started) 2003 return -EOPNOTSUPP; 2004 2005 return drv_set_antenna(local, tx_ant, rx_ant); 2006 } 2007 2008 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 2009 { 2010 struct ieee80211_local *local = wiphy_priv(wiphy); 2011 2012 return drv_get_antenna(local, tx_ant, rx_ant); 2013 } 2014 2015 static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) 2016 { 2017 struct ieee80211_local *local = wiphy_priv(wiphy); 2018 2019 return drv_set_ringparam(local, tx, rx); 2020 } 2021 2022 static void ieee80211_get_ringparam(struct wiphy *wiphy, 2023 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) 2024 { 2025 struct ieee80211_local *local = wiphy_priv(wiphy); 2026 2027 drv_get_ringparam(local, tx, tx_max, rx, rx_max); 2028 } 2029 2030 struct cfg80211_ops mac80211_config_ops = { 2031 .add_virtual_intf = ieee80211_add_iface, 2032 .del_virtual_intf = ieee80211_del_iface, 2033 .change_virtual_intf = ieee80211_change_iface, 2034 .add_key = ieee80211_add_key, 2035 .del_key = ieee80211_del_key, 2036 .get_key = ieee80211_get_key, 2037 .set_default_key = ieee80211_config_default_key, 2038 .set_default_mgmt_key = ieee80211_config_default_mgmt_key, 2039 .add_beacon = ieee80211_add_beacon, 2040 .set_beacon = ieee80211_set_beacon, 2041 .del_beacon = ieee80211_del_beacon, 2042 .add_station = ieee80211_add_station, 2043 .del_station = ieee80211_del_station, 2044 .change_station = ieee80211_change_station, 2045 .get_station = ieee80211_get_station, 2046 .dump_station = ieee80211_dump_station, 2047 .dump_survey = ieee80211_dump_survey, 2048 #ifdef CONFIG_MAC80211_MESH 2049 .add_mpath = ieee80211_add_mpath, 2050 .del_mpath = ieee80211_del_mpath, 2051 .change_mpath = ieee80211_change_mpath, 2052 .get_mpath = ieee80211_get_mpath, 2053 .dump_mpath = ieee80211_dump_mpath, 2054 .update_mesh_config = ieee80211_update_mesh_config, 2055 .get_mesh_config = ieee80211_get_mesh_config, 2056 .join_mesh = ieee80211_join_mesh, 2057 .leave_mesh = ieee80211_leave_mesh, 2058 #endif 2059 .change_bss = ieee80211_change_bss, 2060 .set_txq_params = ieee80211_set_txq_params, 2061 .set_channel = ieee80211_set_channel, 2062 .suspend = ieee80211_suspend, 2063 .resume = ieee80211_resume, 2064 .scan = ieee80211_scan, 2065 .auth = ieee80211_auth, 2066 .assoc = ieee80211_assoc, 2067 .deauth = ieee80211_deauth, 2068 .disassoc = ieee80211_disassoc, 2069 .join_ibss = ieee80211_join_ibss, 2070 .leave_ibss = ieee80211_leave_ibss, 2071 .set_wiphy_params = ieee80211_set_wiphy_params, 2072 .set_tx_power = ieee80211_set_tx_power, 2073 .get_tx_power = ieee80211_get_tx_power, 2074 .set_wds_peer = ieee80211_set_wds_peer, 2075 .rfkill_poll = ieee80211_rfkill_poll, 2076 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) 2077 .set_power_mgmt = ieee80211_set_power_mgmt, 2078 .set_bitrate_mask = ieee80211_set_bitrate_mask, 2079 .remain_on_channel = ieee80211_remain_on_channel, 2080 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, 2081 .mgmt_tx = ieee80211_mgmt_tx, 2082 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, 2083 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, 2084 .mgmt_frame_register = ieee80211_mgmt_frame_register, 2085 .set_antenna = ieee80211_set_antenna, 2086 .get_antenna = ieee80211_get_antenna, 2087 .set_ringparam = ieee80211_set_ringparam, 2088 .get_ringparam = ieee80211_get_ringparam, 2089 }; 2090