SAFE public projects git trees. - safe/jmp/linux-2.6/blob - net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006, 2007 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 <net/net_namespace.h>
  13 #include <linux/rcupdate.h>
  14 #include <net/cfg80211.h>
  15 #include "ieee80211_i.h"
  16 #include "driver-ops.h"
  17 #include "cfg.h"
  18 #include "rate.h"
  19 #include "mesh.h"
  20
  21 static bool nl80211_type_check(enum nl80211_iftype type)
  22 {
  23         switch (type) {
  24         case NL80211_IFTYPE_ADHOC:
  25         case NL80211_IFTYPE_STATION:
  26         case NL80211_IFTYPE_MONITOR:
  27 #ifdef CONFIG_MAC80211_MESH
  28         case NL80211_IFTYPE_MESH_POINT:
  29 #endif
  30         case NL80211_IFTYPE_AP:
  31         case NL80211_IFTYPE_AP_VLAN:
  32         case NL80211_IFTYPE_WDS:
  33                 return true;
  34         default:
  35                 return false;
  36         }
  37 }
  38
  39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  40                                enum nl80211_iftype type, u32 *flags,
  41                                struct vif_params *params)
  42 {
  43         struct ieee80211_local *local = wiphy_priv(wiphy);
  44         struct net_device *dev;
  45         struct ieee80211_sub_if_data *sdata;
  46         int err;
  47
  48         if (!nl80211_type_check(type))
  49                 return -EINVAL;
  50
  51         err = ieee80211_if_add(local, name, &dev, type, params);
  52         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  53                 return err;
  54
  55         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  56         sdata->u.mntr_flags = *flags;
  57         return 0;
  58 }
  59
  60 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  61 {
  62         struct net_device *dev;
  63         struct ieee80211_sub_if_data *sdata;
  64
  65         /* we're under RTNL */
  66         dev = __dev_get_by_index(&init_net, ifindex);
  67         if (!dev)
  68                 return -ENODEV;
  69
  70         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  71
  72         ieee80211_if_remove(sdata);
  73
  74         return 0;
  75 }
  76
  77 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  78                                   enum nl80211_iftype type, u32 *flags,
  79                                   struct vif_params *params)
  80 {
  81         struct net_device *dev;
  82         struct ieee80211_sub_if_data *sdata;
  83         int ret;
  84
  85         /* we're under RTNL */
  86         dev = __dev_get_by_index(&init_net, ifindex);
  87         if (!dev)
  88                 return -ENODEV;
  89
  90         if (!nl80211_type_check(type))
  91                 return -EINVAL;
  92
  93         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  94
  95         ret = ieee80211_if_change_type(sdata, type);
  96         if (ret)
  97                 return ret;
  98
  99         if (netif_running(sdata->dev))
 100                 return -EBUSY;
 101
 102         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 103                 ieee80211_sdata_set_mesh_id(sdata,
 104                                             params->mesh_id_len,
 105                                             params->mesh_id);
 106
 107         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 108                 return 0;
 109
 110         sdata->u.mntr_flags = *flags;
 111         return 0;
 112 }
 113
 114 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 115                              u8 key_idx, const u8 *mac_addr,
 116                              struct key_params *params)
 117 {
 118         struct ieee80211_sub_if_data *sdata;
 119         struct sta_info *sta = NULL;
 120         enum ieee80211_key_alg alg;
 121         struct ieee80211_key *key;
 122         int err;
 123
 124         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 125
 126         switch (params->cipher) {
 127         case WLAN_CIPHER_SUITE_WEP40:
 128         case WLAN_CIPHER_SUITE_WEP104:
 129                 alg = ALG_WEP;
 130                 break;
 131         case WLAN_CIPHER_SUITE_TKIP:
 132                 alg = ALG_TKIP;
 133                 break;
 134         case WLAN_CIPHER_SUITE_CCMP:
 135                 alg = ALG_CCMP;
 136                 break;
 137         case WLAN_CIPHER_SUITE_AES_CMAC:
 138                 alg = ALG_AES_CMAC;
 139                 break;
 140         default:
 141                 return -EINVAL;
 142         }
 143
 144         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
 145         if (!key)
 146                 return -ENOMEM;
 147
 148         rcu_read_lock();
 149
 150         if (mac_addr) {
 151                 sta = sta_info_get(sdata->local, mac_addr);
 152                 if (!sta) {
 153                         ieee80211_key_free(key);
 154                         err = -ENOENT;
 155                         goto out_unlock;
 156                 }
 157         }
 158
 159         ieee80211_key_link(key, sdata, sta);
 160
 161         err = 0;
 162  out_unlock:
 163         rcu_read_unlock();
 164
 165         return err;
 166 }
 167
 168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 169                              u8 key_idx, const u8 *mac_addr)
 170 {
 171         struct ieee80211_sub_if_data *sdata;
 172         struct sta_info *sta;
 173         int ret;
 174
 175         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 176
 177         rcu_read_lock();
 178
 179         if (mac_addr) {
 180                 ret = -ENOENT;
 181
 182                 sta = sta_info_get(sdata->local, mac_addr);
 183                 if (!sta)
 184                         goto out_unlock;
 185
 186                 if (sta->key) {
 187                         ieee80211_key_free(sta->key);
 188                         WARN_ON(sta->key);
 189                         ret = 0;
 190                 }
 191
 192                 goto out_unlock;
 193         }
 194
 195         if (!sdata->keys[key_idx]) {
 196                 ret = -ENOENT;
 197                 goto out_unlock;
 198         }
 199
 200         ieee80211_key_free(sdata->keys[key_idx]);
 201         WARN_ON(sdata->keys[key_idx]);
 202
 203         ret = 0;
 204  out_unlock:
 205         rcu_read_unlock();
 206
 207         return ret;
 208 }
 209
 210 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 211                              u8 key_idx, const u8 *mac_addr, void *cookie,
 212                              void (*callback)(void *cookie,
 213                                               struct key_params *params))
 214 {
 215         struct ieee80211_sub_if_data *sdata;
 216         struct sta_info *sta = NULL;
 217         u8 seq[6] = {0};
 218         struct key_params params;
 219         struct ieee80211_key *key;
 220         u32 iv32;
 221         u16 iv16;
 222         int err = -ENOENT;
 223
 224         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 225
 226         rcu_read_lock();
 227
 228         if (mac_addr) {
 229                 sta = sta_info_get(sdata->local, mac_addr);
 230                 if (!sta)
 231                         goto out;
 232
 233                 key = sta->key;
 234         } else
 235                 key = sdata->keys[key_idx];
 236
 237         if (!key)
 238                 goto out;
 239
 240         memset(&params, 0, sizeof(params));
 241
 242         switch (key->conf.alg) {
 243         case ALG_TKIP:
 244                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 245
 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 ALG_CCMP:
 264                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 265                 seq[0] = key->u.ccmp.tx_pn[5];
 266                 seq[1] = key->u.ccmp.tx_pn[4];
 267                 seq[2] = key->u.ccmp.tx_pn[3];
 268                 seq[3] = key->u.ccmp.tx_pn[2];
 269                 seq[4] = key->u.ccmp.tx_pn[1];
 270                 seq[5] = key->u.ccmp.tx_pn[0];
 271                 params.seq = seq;
 272                 params.seq_len = 6;
 273                 break;
 274         case ALG_WEP:
 275                 if (key->conf.keylen == 5)
 276                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 277                 else
 278                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 279                 break;
 280         case ALG_AES_CMAC:
 281                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 282                 seq[0] = key->u.aes_cmac.tx_pn[5];
 283                 seq[1] = key->u.aes_cmac.tx_pn[4];
 284                 seq[2] = key->u.aes_cmac.tx_pn[3];
 285                 seq[3] = key->u.aes_cmac.tx_pn[2];
 286                 seq[4] = key->u.aes_cmac.tx_pn[1];
 287                 seq[5] = key->u.aes_cmac.tx_pn[0];
 288                 params.seq = seq;
 289                 params.seq_len = 6;
 290                 break;
 291         }
 292
 293         params.key = key->conf.key;
 294         params.key_len = key->conf.keylen;
 295
 296         callback(cookie, &params);
 297         err = 0;
 298
 299  out:
 300         rcu_read_unlock();
 301         return err;
 302 }
 303
 304 static int ieee80211_config_default_key(struct wiphy *wiphy,
 305                                         struct net_device *dev,
 306                                         u8 key_idx)
 307 {
 308         struct ieee80211_sub_if_data *sdata;
 309
 310         rcu_read_lock();
 311
 312         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 313         ieee80211_set_default_key(sdata, key_idx);
 314
 315         rcu_read_unlock();
 316
 317         return 0;
 318 }
 319
 320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 321                                              struct net_device *dev,
 322                                              u8 key_idx)
 323 {
 324         struct ieee80211_sub_if_data *sdata;
 325
 326         rcu_read_lock();
 327
 328         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 329         ieee80211_set_default_mgmt_key(sdata, key_idx);
 330
 331         rcu_read_unlock();
 332
 333         return 0;
 334 }
 335
 336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 337 {
 338         struct ieee80211_sub_if_data *sdata = sta->sdata;
 339
 340         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 341                         STATION_INFO_RX_BYTES |
 342                         STATION_INFO_TX_BYTES |
 343                         STATION_INFO_RX_PACKETS |
 344                         STATION_INFO_TX_PACKETS |
 345                         STATION_INFO_TX_BITRATE;
 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
 353         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 354                 sinfo->filled |= STATION_INFO_SIGNAL;
 355                 sinfo->signal = (s8)sta->last_signal;
 356         }
 357
 358         sinfo->txrate.flags = 0;
 359         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 360                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 361         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 362                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 363         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 364                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 365
 366         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 367                 struct ieee80211_supported_band *sband;
 368                 sband = sta->local->hw.wiphy->bands[
 369                                 sta->local->hw.conf.channel->band];
 370                 sinfo->txrate.legacy =
 371                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 372         } else
 373                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 374
 375         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 376 #ifdef CONFIG_MAC80211_MESH
 377                 sinfo->filled |= STATION_INFO_LLID |
 378                                  STATION_INFO_PLID |
 379                                  STATION_INFO_PLINK_STATE;
 380
 381                 sinfo->llid = le16_to_cpu(sta->llid);
 382                 sinfo->plid = le16_to_cpu(sta->plid);
 383                 sinfo->plink_state = sta->plink_state;
 384 #endif
 385         }
 386 }
 387
 388
 389 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 390                                  int idx, u8 *mac, struct station_info *sinfo)
 391 {
 392         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 393         struct sta_info *sta;
 394         int ret = -ENOENT;
 395
 396         rcu_read_lock();
 397
 398         sta = sta_info_get_by_idx(local, idx, dev);
 399         if (sta) {
 400                 ret = 0;
 401                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 402                 sta_set_sinfo(sta, sinfo);
 403         }
 404
 405         rcu_read_unlock();
 406
 407         return ret;
 408 }
 409
 410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 411                                  u8 *mac, struct station_info *sinfo)
 412 {
 413         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 414         struct sta_info *sta;
 415         int ret = -ENOENT;
 416
 417         rcu_read_lock();
 418
 419         /* XXX: verify sta->dev == dev */
 420
 421         sta = sta_info_get(local, mac);
 422         if (sta) {
 423                 ret = 0;
 424                 sta_set_sinfo(sta, sinfo);
 425         }
 426
 427         rcu_read_unlock();
 428
 429         return ret;
 430 }
 431
 432 /*
 433  * This handles both adding a beacon and setting new beacon info
 434  */
 435 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 436                                    struct beacon_parameters *params)
 437 {
 438         struct beacon_data *new, *old;
 439         int new_head_len, new_tail_len;
 440         int size;
 441         int err = -EINVAL;
 442
 443         old = sdata->u.ap.beacon;
 444
 445         /* head must not be zero-length */
 446         if (params->head && !params->head_len)
 447                 return -EINVAL;
 448
 449         /*
 450          * This is a kludge. beacon interval should really be part
 451          * of the beacon information.
 452          */
 453         if (params->interval &&
 454             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 455                 sdata->vif.bss_conf.beacon_int = params->interval;
 456                 ieee80211_bss_info_change_notify(sdata,
 457                                                  BSS_CHANGED_BEACON_INT);
 458         }
 459
 460         /* Need to have a beacon head if we don't have one yet */
 461         if (!params->head && !old)
 462                 return err;
 463
 464         /* sorry, no way to start beaconing without dtim period */
 465         if (!params->dtim_period && !old)
 466                 return err;
 467
 468         /* new or old head? */
 469         if (params->head)
 470                 new_head_len = params->head_len;
 471         else
 472                 new_head_len = old->head_len;
 473
 474         /* new or old tail? */
 475         if (params->tail || !old)
 476                 /* params->tail_len will be zero for !params->tail */
 477                 new_tail_len = params->tail_len;
 478         else
 479                 new_tail_len = old->tail_len;
 480
 481         size = sizeof(*new) + new_head_len + new_tail_len;
 482
 483         new = kzalloc(size, GFP_KERNEL);
 484         if (!new)
 485                 return -ENOMEM;
 486
 487         /* start filling the new info now */
 488
 489         /* new or old dtim period? */
 490         if (params->dtim_period)
 491                 new->dtim_period = params->dtim_period;
 492         else
 493                 new->dtim_period = old->dtim_period;
 494
 495         /*
 496          * pointers go into the block we allocated,
 497          * memory is | beacon_data | head | tail |
 498          */
 499         new->head = ((u8 *) new) + sizeof(*new);
 500         new->tail = new->head + new_head_len;
 501         new->head_len = new_head_len;
 502         new->tail_len = new_tail_len;
 503
 504         /* copy in head */
 505         if (params->head)
 506                 memcpy(new->head, params->head, new_head_len);
 507         else
 508                 memcpy(new->head, old->head, new_head_len);
 509
 510         /* copy in optional tail */
 511         if (params->tail)
 512                 memcpy(new->tail, params->tail, new_tail_len);
 513         else
 514                 if (old)
 515                         memcpy(new->tail, old->tail, new_tail_len);
 516
 517         rcu_assign_pointer(sdata->u.ap.beacon, new);
 518
 519         synchronize_rcu();
 520
 521         kfree(old);
 522
 523         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 524                                                 BSS_CHANGED_BEACON);
 525         return 0;
 526 }
 527
 528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 529                                 struct beacon_parameters *params)
 530 {
 531         struct ieee80211_sub_if_data *sdata;
 532         struct beacon_data *old;
 533
 534         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 535
 536         old = sdata->u.ap.beacon;
 537
 538         if (old)
 539                 return -EALREADY;
 540
 541         return ieee80211_config_beacon(sdata, params);
 542 }
 543
 544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 545                                 struct beacon_parameters *params)
 546 {
 547         struct ieee80211_sub_if_data *sdata;
 548         struct beacon_data *old;
 549
 550         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 551
 552         old = sdata->u.ap.beacon;
 553
 554         if (!old)
 555                 return -ENOENT;
 556
 557         return ieee80211_config_beacon(sdata, params);
 558 }
 559
 560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 561 {
 562         struct ieee80211_sub_if_data *sdata;
 563         struct beacon_data *old;
 564
 565         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 566
 567         old = sdata->u.ap.beacon;
 568
 569         if (!old)
 570                 return -ENOENT;
 571
 572         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 573         synchronize_rcu();
 574         kfree(old);
 575
 576         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 577         return 0;
 578 }
 579
 580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 581 struct iapp_layer2_update {
 582         u8 da[ETH_ALEN];        /* broadcast */
 583         u8 sa[ETH_ALEN];        /* STA addr */
 584         __be16 len;             /* 6 */
 585         u8 dsap;                /* 0 */
 586         u8 ssap;                /* 0 */
 587         u8 control;
 588         u8 xid_info[3];
 589 } __attribute__ ((packed));
 590
 591 static void ieee80211_send_layer2_update(struct sta_info *sta)
 592 {
 593         struct iapp_layer2_update *msg;
 594         struct sk_buff *skb;
 595
 596         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 597          * bridge devices */
 598
 599         skb = dev_alloc_skb(sizeof(*msg));
 600         if (!skb)
 601                 return;
 602         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 603
 604         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 605          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 606
 607         memset(msg->da, 0xff, ETH_ALEN);
 608         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 609         msg->len = htons(6);
 610         msg->dsap = 0;
 611         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 612         msg->control = 0xaf;    /* XID response lsb.1111F101.
 613                                  * F=0 (no poll command; unsolicited frame) */
 614         msg->xid_info[0] = 0x81;        /* XID format identifier */
 615         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 616         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 617
 618         skb->dev = sta->sdata->dev;
 619         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 620         memset(skb->cb, 0, sizeof(skb->cb));
 621         netif_rx(skb);
 622 }
 623
 624 static void sta_apply_parameters(struct ieee80211_local *local,
 625                                  struct sta_info *sta,
 626                                  struct station_parameters *params)
 627 {
 628         u32 rates;
 629         int i, j;
 630         struct ieee80211_supported_band *sband;
 631         struct ieee80211_sub_if_data *sdata = sta->sdata;
 632         u32 mask, set;
 633
 634         sband = local->hw.wiphy->bands[local->oper_channel->band];
 635
 636         spin_lock_bh(&sta->lock);
 637         mask = params->sta_flags_mask;
 638         set = params->sta_flags_set;
 639
 640         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 641                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 642                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 643                         sta->flags |= WLAN_STA_AUTHORIZED;
 644         }
 645
 646         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 647                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 648                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 649                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 650         }
 651
 652         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 653                 sta->flags &= ~WLAN_STA_WME;
 654                 if (set & BIT(NL80211_STA_FLAG_WME))
 655                         sta->flags |= WLAN_STA_WME;
 656         }
 657
 658         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 659                 sta->flags &= ~WLAN_STA_MFP;
 660                 if (set & BIT(NL80211_STA_FLAG_MFP))
 661                         sta->flags |= WLAN_STA_MFP;
 662         }
 663         spin_unlock_bh(&sta->lock);
 664
 665         /*
 666          * FIXME: updating the following information is racy when this
 667          *        function is called from ieee80211_change_station().
 668          *        However, all this information should be static so
 669          *        maybe we should just reject attemps to change it.
 670          */
 671
 672         if (params->aid) {
 673                 sta->sta.aid = params->aid;
 674                 if (sta->sta.aid > IEEE80211_MAX_AID)
 675                         sta->sta.aid = 0; /* XXX: should this be an error? */
 676         }
 677
 678         if (params->listen_interval >= 0)
 679                 sta->listen_interval = params->listen_interval;
 680
 681         if (params->supported_rates) {
 682                 rates = 0;
 683
 684                 for (i = 0; i < params->supported_rates_len; i++) {
 685                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 686                         for (j = 0; j < sband->n_bitrates; j++) {
 687                                 if (sband->bitrates[j].bitrate == rate)
 688                                         rates |= BIT(j);
 689                         }
 690                 }
 691                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 692         }
 693
 694         if (params->ht_capa)
 695                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 696                                                   params->ht_capa,
 697                                                   &sta->sta.ht_cap);
 698
 699         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 700                 switch (params->plink_action) {
 701                 case PLINK_ACTION_OPEN:
 702                         mesh_plink_open(sta);
 703                         break;
 704                 case PLINK_ACTION_BLOCK:
 705                         mesh_plink_block(sta);
 706                         break;
 707                 }
 708         }
 709 }
 710
 711 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 712                                  u8 *mac, struct station_parameters *params)
 713 {
 714         struct ieee80211_local *local = wiphy_priv(wiphy);
 715         struct sta_info *sta;
 716         struct ieee80211_sub_if_data *sdata;
 717         int err;
 718         int layer2_update;
 719
 720         if (params->vlan) {
 721                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 722
 723                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 724                     sdata->vif.type != NL80211_IFTYPE_AP)
 725                         return -EINVAL;
 726         } else
 727                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 728
 729         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 730                 return -EINVAL;
 731
 732         if (is_multicast_ether_addr(mac))
 733                 return -EINVAL;
 734
 735         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 736         if (!sta)
 737                 return -ENOMEM;
 738
 739         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 740
 741         sta_apply_parameters(local, sta, params);
 742
 743         rate_control_rate_init(sta);
 744
 745         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 746                 sdata->vif.type == NL80211_IFTYPE_AP;
 747
 748         rcu_read_lock();
 749
 750         err = sta_info_insert(sta);
 751         if (err) {
 752                 /* STA has been freed */
 753                 if (err == -EEXIST && layer2_update) {
 754                         /* Need to update layer 2 devices on reassociation */
 755                         sta = sta_info_get(local, mac);
 756                         if (sta)
 757                                 ieee80211_send_layer2_update(sta);
 758                 }
 759                 rcu_read_unlock();
 760                 return err;
 761         }
 762
 763         if (layer2_update)
 764                 ieee80211_send_layer2_update(sta);
 765
 766         rcu_read_unlock();
 767
 768         return 0;
 769 }
 770
 771 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 772                                  u8 *mac)
 773 {
 774         struct ieee80211_local *local = wiphy_priv(wiphy);
 775         struct ieee80211_sub_if_data *sdata;
 776         struct sta_info *sta;
 777
 778         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 779
 780         if (mac) {
 781                 rcu_read_lock();
 782
 783                 /* XXX: get sta belonging to dev */
 784                 sta = sta_info_get(local, mac);
 785                 if (!sta) {
 786                         rcu_read_unlock();
 787                         return -ENOENT;
 788                 }
 789
 790                 sta_info_unlink(&sta);
 791                 rcu_read_unlock();
 792
 793                 sta_info_destroy(sta);
 794         } else
 795                 sta_info_flush(local, sdata);
 796
 797         return 0;
 798 }
 799
 800 static int ieee80211_change_station(struct wiphy *wiphy,
 801                                     struct net_device *dev,
 802                                     u8 *mac,
 803                                     struct station_parameters *params)
 804 {
 805         struct ieee80211_local *local = wiphy_priv(wiphy);
 806         struct sta_info *sta;
 807         struct ieee80211_sub_if_data *vlansdata;
 808
 809         rcu_read_lock();
 810
 811         /* XXX: get sta belonging to dev */
 812         sta = sta_info_get(local, mac);
 813         if (!sta) {
 814                 rcu_read_unlock();
 815                 return -ENOENT;
 816         }
 817
 818         if (params->vlan && params->vlan != sta->sdata->dev) {
 819                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 820
 821                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 822                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 823                         rcu_read_unlock();
 824                         return -EINVAL;
 825                 }
 826
 827                 sta->sdata = vlansdata;
 828                 ieee80211_send_layer2_update(sta);
 829         }
 830
 831         sta_apply_parameters(local, sta, params);
 832
 833         rcu_read_unlock();
 834
 835         return 0;
 836 }
 837
 838 #ifdef CONFIG_MAC80211_MESH
 839 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 840                                  u8 *dst, u8 *next_hop)
 841 {
 842         struct ieee80211_local *local = wiphy_priv(wiphy);
 843         struct ieee80211_sub_if_data *sdata;
 844         struct mesh_path *mpath;
 845         struct sta_info *sta;
 846         int err;
 847
 848         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 849
 850         rcu_read_lock();
 851         sta = sta_info_get(local, next_hop);
 852         if (!sta) {
 853                 rcu_read_unlock();
 854                 return -ENOENT;
 855         }
 856
 857         err = mesh_path_add(dst, sdata);
 858         if (err) {
 859                 rcu_read_unlock();
 860                 return err;
 861         }
 862
 863         mpath = mesh_path_lookup(dst, sdata);
 864         if (!mpath) {
 865                 rcu_read_unlock();
 866                 return -ENXIO;
 867         }
 868         mesh_path_fix_nexthop(mpath, sta);
 869
 870         rcu_read_unlock();
 871         return 0;
 872 }
 873
 874 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 875                                  u8 *dst)
 876 {
 877         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 878
 879         if (dst)
 880                 return mesh_path_del(dst, sdata);
 881
 882         mesh_path_flush(sdata);
 883         return 0;
 884 }
 885
 886 static int ieee80211_change_mpath(struct wiphy *wiphy,
 887                                     struct net_device *dev,
 888                                     u8 *dst, u8 *next_hop)
 889 {
 890         struct ieee80211_local *local = wiphy_priv(wiphy);
 891         struct ieee80211_sub_if_data *sdata;
 892         struct mesh_path *mpath;
 893         struct sta_info *sta;
 894
 895         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 896
 897         rcu_read_lock();
 898
 899         sta = sta_info_get(local, next_hop);
 900         if (!sta) {
 901                 rcu_read_unlock();
 902                 return -ENOENT;
 903         }
 904
 905         mpath = mesh_path_lookup(dst, sdata);
 906         if (!mpath) {
 907                 rcu_read_unlock();
 908                 return -ENOENT;
 909         }
 910
 911         mesh_path_fix_nexthop(mpath, sta);
 912
 913         rcu_read_unlock();
 914         return 0;
 915 }
 916
 917 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 918                             struct mpath_info *pinfo)
 919 {
 920         if (mpath->next_hop)
 921                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 922         else
 923                 memset(next_hop, 0, ETH_ALEN);
 924
 925         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 926                         MPATH_INFO_DSN |
 927                         MPATH_INFO_METRIC |
 928                         MPATH_INFO_EXPTIME |
 929                         MPATH_INFO_DISCOVERY_TIMEOUT |
 930                         MPATH_INFO_DISCOVERY_RETRIES |
 931                         MPATH_INFO_FLAGS;
 932
 933         pinfo->frame_qlen = mpath->frame_queue.qlen;
 934         pinfo->dsn = mpath->dsn;
 935         pinfo->metric = mpath->metric;
 936         if (time_before(jiffies, mpath->exp_time))
 937                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 938         pinfo->discovery_timeout =
 939                         jiffies_to_msecs(mpath->discovery_timeout);
 940         pinfo->discovery_retries = mpath->discovery_retries;
 941         pinfo->flags = 0;
 942         if (mpath->flags & MESH_PATH_ACTIVE)
 943                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 944         if (mpath->flags & MESH_PATH_RESOLVING)
 945                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 946         if (mpath->flags & MESH_PATH_DSN_VALID)
 947                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 948         if (mpath->flags & MESH_PATH_FIXED)
 949                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 950         if (mpath->flags & MESH_PATH_RESOLVING)
 951                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 952
 953         pinfo->flags = mpath->flags;
 954 }
 955
 956 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 957                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 958
 959 {
 960         struct ieee80211_sub_if_data *sdata;
 961         struct mesh_path *mpath;
 962
 963         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 964
 965         rcu_read_lock();
 966         mpath = mesh_path_lookup(dst, sdata);
 967         if (!mpath) {
 968                 rcu_read_unlock();
 969                 return -ENOENT;
 970         }
 971         memcpy(dst, mpath->dst, ETH_ALEN);
 972         mpath_set_pinfo(mpath, next_hop, pinfo);
 973         rcu_read_unlock();
 974         return 0;
 975 }
 976
 977 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 978                                  int idx, u8 *dst, u8 *next_hop,
 979                                  struct mpath_info *pinfo)
 980 {
 981         struct ieee80211_sub_if_data *sdata;
 982         struct mesh_path *mpath;
 983
 984         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 985
 986         rcu_read_lock();
 987         mpath = mesh_path_lookup_by_idx(idx, sdata);
 988         if (!mpath) {
 989                 rcu_read_unlock();
 990                 return -ENOENT;
 991         }
 992         memcpy(dst, mpath->dst, ETH_ALEN);
 993         mpath_set_pinfo(mpath, next_hop, pinfo);
 994         rcu_read_unlock();
 995         return 0;
 996 }
 997
 998 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
 999                                 struct net_device *dev,
1000                                 struct mesh_config *conf)
1001 {
1002         struct ieee80211_sub_if_data *sdata;
1003         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1004
1005         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1006         return 0;
1007 }
1008
1009 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1010 {
1011         return (mask >> (parm-1)) & 0x1;
1012 }
1013
1014 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1015                                 struct net_device *dev,
1016                                 const struct mesh_config *nconf, u32 mask)
1017 {
1018         struct mesh_config *conf;
1019         struct ieee80211_sub_if_data *sdata;
1020         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021
1022         /* Set the config options which we are interested in setting */
1023         conf = &(sdata->u.mesh.mshcfg);
1024         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1025                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1026         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1027                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1028         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1029                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1030         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1031                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1032         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1033                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1034         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1035                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1036         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1037                 conf->auto_open_plinks = nconf->auto_open_plinks;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1039                 conf->dot11MeshHWMPmaxPREQretries =
1040                         nconf->dot11MeshHWMPmaxPREQretries;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1042                 conf->path_refresh_time = nconf->path_refresh_time;
1043         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1044                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1045         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1046                 conf->dot11MeshHWMPactivePathTimeout =
1047                         nconf->dot11MeshHWMPactivePathTimeout;
1048         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1049                 conf->dot11MeshHWMPpreqMinInterval =
1050                         nconf->dot11MeshHWMPpreqMinInterval;
1051         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1052                            mask))
1053                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1054                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1055         return 0;
1056 }
1057
1058 #endif
1059
1060 static int ieee80211_change_bss(struct wiphy *wiphy,
1061                                 struct net_device *dev,
1062                                 struct bss_parameters *params)
1063 {
1064         struct ieee80211_sub_if_data *sdata;
1065         u32 changed = 0;
1066
1067         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1068
1069         if (params->use_cts_prot >= 0) {
1070                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1071                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1072         }
1073         if (params->use_short_preamble >= 0) {
1074                 sdata->vif.bss_conf.use_short_preamble =
1075                         params->use_short_preamble;
1076                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1077         }
1078         if (params->use_short_slot_time >= 0) {
1079                 sdata->vif.bss_conf.use_short_slot =
1080                         params->use_short_slot_time;
1081                 changed |= BSS_CHANGED_ERP_SLOT;
1082         }
1083
1084         if (params->basic_rates) {
1085                 int i, j;
1086                 u32 rates = 0;
1087                 struct ieee80211_local *local = wiphy_priv(wiphy);
1088                 struct ieee80211_supported_band *sband =
1089                         wiphy->bands[local->oper_channel->band];
1090
1091                 for (i = 0; i < params->basic_rates_len; i++) {
1092                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1093                         for (j = 0; j < sband->n_bitrates; j++) {
1094                                 if (sband->bitrates[j].bitrate == rate)
1095                                         rates |= BIT(j);
1096                         }
1097                 }
1098                 sdata->vif.bss_conf.basic_rates = rates;
1099                 changed |= BSS_CHANGED_BASIC_RATES;
1100         }
1101
1102         ieee80211_bss_info_change_notify(sdata, changed);
1103
1104         return 0;
1105 }
1106
1107 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1108                                     struct ieee80211_txq_params *params)
1109 {
1110         struct ieee80211_local *local = wiphy_priv(wiphy);
1111         struct ieee80211_tx_queue_params p;
1112
1113         if (!local->ops->conf_tx)
1114                 return -EOPNOTSUPP;
1115
1116         memset(&p, 0, sizeof(p));
1117         p.aifs = params->aifs;
1118         p.cw_max = params->cwmax;
1119         p.cw_min = params->cwmin;
1120         p.txop = params->txop;
1121         if (drv_conf_tx(local, params->queue, &p)) {
1122                 printk(KERN_DEBUG "%s: failed to set TX queue "
1123                        "parameters for queue %d\n", local->mdev->name,
1124                        params->queue);
1125                 return -EINVAL;
1126         }
1127
1128         return 0;
1129 }
1130
1131 static int ieee80211_set_channel(struct wiphy *wiphy,
1132                                  struct ieee80211_channel *chan,
1133                                  enum nl80211_channel_type channel_type)
1134 {
1135         struct ieee80211_local *local = wiphy_priv(wiphy);
1136
1137         local->oper_channel = chan;
1138         local->oper_channel_type = channel_type;
1139
1140         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1141 }
1142
1143 #ifdef CONFIG_PM
1144 static int ieee80211_suspend(struct wiphy *wiphy)
1145 {
1146         return __ieee80211_suspend(wiphy_priv(wiphy));
1147 }
1148
1149 static int ieee80211_resume(struct wiphy *wiphy)
1150 {
1151         return __ieee80211_resume(wiphy_priv(wiphy));
1152 }
1153 #else
1154 #define ieee80211_suspend NULL
1155 #define ieee80211_resume NULL
1156 #endif
1157
1158 static int ieee80211_scan(struct wiphy *wiphy,
1159                           struct net_device *dev,
1160                           struct cfg80211_scan_request *req)
1161 {
1162         struct ieee80211_sub_if_data *sdata;
1163
1164         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1165
1166         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1167             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1168             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1169             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1170                 return -EOPNOTSUPP;
1171
1172         return ieee80211_request_scan(sdata, req);
1173 }
1174
1175 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1176                           struct cfg80211_auth_request *req)
1177 {
1178         struct ieee80211_sub_if_data *sdata;
1179
1180         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1181
1182         switch (req->auth_type) {
1183         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1184                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1185                 break;
1186         case NL80211_AUTHTYPE_SHARED_KEY:
1187                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1188                 break;
1189         case NL80211_AUTHTYPE_FT:
1190                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1191                 break;
1192         case NL80211_AUTHTYPE_NETWORK_EAP:
1193                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1194                 break;
1195         default:
1196                 return -EOPNOTSUPP;
1197         }
1198
1199         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1200         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1201         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1202
1203         /* TODO: req->chan */
1204         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1205
1206         if (req->ssid) {
1207                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1208                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1209                 sdata->u.mgd.ssid_len = req->ssid_len;
1210                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1211         }
1212
1213         kfree(sdata->u.mgd.sme_auth_ie);
1214         sdata->u.mgd.sme_auth_ie = NULL;
1215         sdata->u.mgd.sme_auth_ie_len = 0;
1216         if (req->ie) {
1217                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1218                 if (sdata->u.mgd.sme_auth_ie == NULL)
1219                         return -ENOMEM;
1220                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1221                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1222         }
1223
1224         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1225         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1226         ieee80211_sta_req_auth(sdata);
1227         return 0;
1228 }
1229
1230 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1231                            struct cfg80211_assoc_request *req)
1232 {
1233         struct ieee80211_sub_if_data *sdata;
1234         int ret;
1235
1236         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1237
1238         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1239             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1240                 return -ENOLINK; /* not authenticated */
1241
1242         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1243         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1244
1245         /* TODO: req->chan */
1246         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1247
1248         if (req->ssid) {
1249                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1250                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1251                 sdata->u.mgd.ssid_len = req->ssid_len;
1252                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1253         } else
1254                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1255
1256         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1257         if (ret)
1258                 return ret;
1259
1260         if (req->use_mfp) {
1261                 sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
1262                 sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
1263         } else {
1264                 sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
1265                 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
1266         }
1267
1268         if (req->control_port)
1269                 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
1270         else
1271                 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
1272
1273         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1274         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1275         ieee80211_sta_req_auth(sdata);
1276         return 0;
1277 }
1278
1279 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1280                             struct cfg80211_deauth_request *req)
1281 {
1282         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1283
1284         /* TODO: req->ie, req->peer_addr */
1285         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1286 }
1287
1288 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1289                               struct cfg80211_disassoc_request *req)
1290 {
1291         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1292
1293         /* TODO: req->ie, req->peer_addr */
1294         return ieee80211_sta_disassociate(sdata, req->reason_code);
1295 }
1296
1297 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1298                                struct cfg80211_ibss_params *params)
1299 {
1300         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1301
1302         return ieee80211_ibss_join(sdata, params);
1303 }
1304
1305 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1306 {
1307         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1308
1309         return ieee80211_ibss_leave(sdata);
1310 }
1311
1312 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1313 {
1314         struct ieee80211_local *local = wiphy_priv(wiphy);
1315         int err;
1316
1317         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1318                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1319
1320                 if (err)
1321                         return err;
1322         }
1323
1324         if (changed & WIPHY_PARAM_RETRY_SHORT)
1325                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1326         if (changed & WIPHY_PARAM_RETRY_LONG)
1327                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1328         if (changed &
1329             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1330                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1331
1332         return 0;
1333 }
1334
1335 struct cfg80211_ops mac80211_config_ops = {
1336         .add_virtual_intf = ieee80211_add_iface,
1337         .del_virtual_intf = ieee80211_del_iface,
1338         .change_virtual_intf = ieee80211_change_iface,
1339         .add_key = ieee80211_add_key,
1340         .del_key = ieee80211_del_key,
1341         .get_key = ieee80211_get_key,
1342         .set_default_key = ieee80211_config_default_key,
1343         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1344         .add_beacon = ieee80211_add_beacon,
1345         .set_beacon = ieee80211_set_beacon,
1346         .del_beacon = ieee80211_del_beacon,
1347         .add_station = ieee80211_add_station,
1348         .del_station = ieee80211_del_station,
1349         .change_station = ieee80211_change_station,
1350         .get_station = ieee80211_get_station,
1351         .dump_station = ieee80211_dump_station,
1352 #ifdef CONFIG_MAC80211_MESH
1353         .add_mpath = ieee80211_add_mpath,
1354         .del_mpath = ieee80211_del_mpath,
1355         .change_mpath = ieee80211_change_mpath,
1356         .get_mpath = ieee80211_get_mpath,
1357         .dump_mpath = ieee80211_dump_mpath,
1358         .set_mesh_params = ieee80211_set_mesh_params,
1359         .get_mesh_params = ieee80211_get_mesh_params,
1360 #endif
1361         .change_bss = ieee80211_change_bss,
1362         .set_txq_params = ieee80211_set_txq_params,
1363         .set_channel = ieee80211_set_channel,
1364         .suspend = ieee80211_suspend,
1365         .resume = ieee80211_resume,
1366         .scan = ieee80211_scan,
1367         .auth = ieee80211_auth,
1368         .assoc = ieee80211_assoc,
1369         .deauth = ieee80211_deauth,
1370         .disassoc = ieee80211_disassoc,
1371         .join_ibss = ieee80211_join_ibss,
1372         .leave_ibss = ieee80211_leave_ibss,
1373         .set_wiphy_params = ieee80211_set_wiphy_params,
1374 };