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 "cfg.h"
  17 #include "rate.h"
  18 #include "mesh.h"
  19
  20 static bool nl80211_type_check(enum nl80211_iftype type)
  21 {
  22         switch (type) {
  23         case NL80211_IFTYPE_ADHOC:
  24         case NL80211_IFTYPE_STATION:
  25         case NL80211_IFTYPE_MONITOR:
  26 #ifdef CONFIG_MAC80211_MESH
  27         case NL80211_IFTYPE_MESH_POINT:
  28 #endif
  29         case NL80211_IFTYPE_AP:
  30         case NL80211_IFTYPE_AP_VLAN:
  31         case NL80211_IFTYPE_WDS:
  32                 return true;
  33         default:
  34                 return false;
  35         }
  36 }
  37
  38 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  39                                enum nl80211_iftype type, u32 *flags,
  40                                struct vif_params *params)
  41 {
  42         struct ieee80211_local *local = wiphy_priv(wiphy);
  43         struct net_device *dev;
  44         struct ieee80211_sub_if_data *sdata;
  45         int err;
  46
  47         if (!nl80211_type_check(type))
  48                 return -EINVAL;
  49
  50         err = ieee80211_if_add(local, name, &dev, type, params);
  51         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  52                 return err;
  53
  54         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  55         sdata->u.mntr_flags = *flags;
  56         return 0;
  57 }
  58
  59 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  60 {
  61         struct net_device *dev;
  62         struct ieee80211_sub_if_data *sdata;
  63
  64         /* we're under RTNL */
  65         dev = __dev_get_by_index(&init_net, ifindex);
  66         if (!dev)
  67                 return -ENODEV;
  68
  69         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  70
  71         ieee80211_if_remove(sdata);
  72
  73         return 0;
  74 }
  75
  76 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  77                                   enum nl80211_iftype type, u32 *flags,
  78                                   struct vif_params *params)
  79 {
  80         struct net_device *dev;
  81         struct ieee80211_sub_if_data *sdata;
  82         int ret;
  83
  84         /* we're under RTNL */
  85         dev = __dev_get_by_index(&init_net, ifindex);
  86         if (!dev)
  87                 return -ENODEV;
  88
  89         if (!nl80211_type_check(type))
  90                 return -EINVAL;
  91
  92         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  93
  94         ret = ieee80211_if_change_type(sdata, type);
  95         if (ret)
  96                 return ret;
  97
  98         if (netif_running(sdata->dev))
  99                 return -EBUSY;
 100
 101         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 102                 ieee80211_sdata_set_mesh_id(sdata,
 103                                             params->mesh_id_len,
 104                                             params->mesh_id);
 105
 106         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 107                 return 0;
 108
 109         sdata->u.mntr_flags = *flags;
 110         return 0;
 111 }
 112
 113 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 114                              u8 key_idx, u8 *mac_addr,
 115                              struct key_params *params)
 116 {
 117         struct ieee80211_sub_if_data *sdata;
 118         struct sta_info *sta = NULL;
 119         enum ieee80211_key_alg alg;
 120         struct ieee80211_key *key;
 121         int err;
 122
 123         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 124
 125         switch (params->cipher) {
 126         case WLAN_CIPHER_SUITE_WEP40:
 127         case WLAN_CIPHER_SUITE_WEP104:
 128                 alg = ALG_WEP;
 129                 break;
 130         case WLAN_CIPHER_SUITE_TKIP:
 131                 alg = ALG_TKIP;
 132                 break;
 133         case WLAN_CIPHER_SUITE_CCMP:
 134                 alg = ALG_CCMP;
 135                 break;
 136         case WLAN_CIPHER_SUITE_AES_CMAC:
 137                 alg = ALG_AES_CMAC;
 138                 break;
 139         default:
 140                 return -EINVAL;
 141         }
 142
 143         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
 144         if (!key)
 145                 return -ENOMEM;
 146
 147         rcu_read_lock();
 148
 149         if (mac_addr) {
 150                 sta = sta_info_get(sdata->local, mac_addr);
 151                 if (!sta) {
 152                         ieee80211_key_free(key);
 153                         err = -ENOENT;
 154                         goto out_unlock;
 155                 }
 156         }
 157
 158         ieee80211_key_link(key, sdata, sta);
 159
 160         err = 0;
 161  out_unlock:
 162         rcu_read_unlock();
 163
 164         return err;
 165 }
 166
 167 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 168                              u8 key_idx, u8 *mac_addr)
 169 {
 170         struct ieee80211_sub_if_data *sdata;
 171         struct sta_info *sta;
 172         int ret;
 173
 174         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 175
 176         rcu_read_lock();
 177
 178         if (mac_addr) {
 179                 ret = -ENOENT;
 180
 181                 sta = sta_info_get(sdata->local, mac_addr);
 182                 if (!sta)
 183                         goto out_unlock;
 184
 185                 if (sta->key) {
 186                         ieee80211_key_free(sta->key);
 187                         WARN_ON(sta->key);
 188                         ret = 0;
 189                 }
 190
 191                 goto out_unlock;
 192         }
 193
 194         if (!sdata->keys[key_idx]) {
 195                 ret = -ENOENT;
 196                 goto out_unlock;
 197         }
 198
 199         ieee80211_key_free(sdata->keys[key_idx]);
 200         WARN_ON(sdata->keys[key_idx]);
 201
 202         ret = 0;
 203  out_unlock:
 204         rcu_read_unlock();
 205
 206         return ret;
 207 }
 208
 209 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 210                              u8 key_idx, u8 *mac_addr, void *cookie,
 211                              void (*callback)(void *cookie,
 212                                               struct key_params *params))
 213 {
 214         struct ieee80211_sub_if_data *sdata;
 215         struct sta_info *sta = NULL;
 216         u8 seq[6] = {0};
 217         struct key_params params;
 218         struct ieee80211_key *key;
 219         u32 iv32;
 220         u16 iv16;
 221         int err = -ENOENT;
 222
 223         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 224
 225         rcu_read_lock();
 226
 227         if (mac_addr) {
 228                 sta = sta_info_get(sdata->local, mac_addr);
 229                 if (!sta)
 230                         goto out;
 231
 232                 key = sta->key;
 233         } else
 234                 key = sdata->keys[key_idx];
 235
 236         if (!key)
 237                 goto out;
 238
 239         memset(&params, 0, sizeof(params));
 240
 241         switch (key->conf.alg) {
 242         case ALG_TKIP:
 243                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 244
 245                 iv32 = key->u.tkip.tx.iv32;
 246                 iv16 = key->u.tkip.tx.iv16;
 247
 248                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 249                     sdata->local->ops->get_tkip_seq)
 250                         sdata->local->ops->get_tkip_seq(
 251                                 local_to_hw(sdata->local),
 252                                 key->conf.hw_key_idx,
 253                                 &iv32, &iv16);
 254
 255                 seq[0] = iv16 & 0xff;
 256                 seq[1] = (iv16 >> 8) & 0xff;
 257                 seq[2] = iv32 & 0xff;
 258                 seq[3] = (iv32 >> 8) & 0xff;
 259                 seq[4] = (iv32 >> 16) & 0xff;
 260                 seq[5] = (iv32 >> 24) & 0xff;
 261                 params.seq = seq;
 262                 params.seq_len = 6;
 263                 break;
 264         case ALG_CCMP:
 265                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 266                 seq[0] = key->u.ccmp.tx_pn[5];
 267                 seq[1] = key->u.ccmp.tx_pn[4];
 268                 seq[2] = key->u.ccmp.tx_pn[3];
 269                 seq[3] = key->u.ccmp.tx_pn[2];
 270                 seq[4] = key->u.ccmp.tx_pn[1];
 271                 seq[5] = key->u.ccmp.tx_pn[0];
 272                 params.seq = seq;
 273                 params.seq_len = 6;
 274                 break;
 275         case ALG_WEP:
 276                 if (key->conf.keylen == 5)
 277                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 278                 else
 279                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 280                 break;
 281         case ALG_AES_CMAC:
 282                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 283                 seq[0] = key->u.aes_cmac.tx_pn[5];
 284                 seq[1] = key->u.aes_cmac.tx_pn[4];
 285                 seq[2] = key->u.aes_cmac.tx_pn[3];
 286                 seq[3] = key->u.aes_cmac.tx_pn[2];
 287                 seq[4] = key->u.aes_cmac.tx_pn[1];
 288                 seq[5] = key->u.aes_cmac.tx_pn[0];
 289                 params.seq = seq;
 290                 params.seq_len = 6;
 291                 break;
 292         }
 293
 294         params.key = key->conf.key;
 295         params.key_len = key->conf.keylen;
 296
 297         callback(cookie, &params);
 298         err = 0;
 299
 300  out:
 301         rcu_read_unlock();
 302         return err;
 303 }
 304
 305 static int ieee80211_config_default_key(struct wiphy *wiphy,
 306                                         struct net_device *dev,
 307                                         u8 key_idx)
 308 {
 309         struct ieee80211_sub_if_data *sdata;
 310
 311         rcu_read_lock();
 312
 313         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 314         ieee80211_set_default_key(sdata, key_idx);
 315
 316         rcu_read_unlock();
 317
 318         return 0;
 319 }
 320
 321 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 322                                              struct net_device *dev,
 323                                              u8 key_idx)
 324 {
 325         struct ieee80211_sub_if_data *sdata;
 326
 327         rcu_read_lock();
 328
 329         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 330         ieee80211_set_default_mgmt_key(sdata, key_idx);
 331
 332         rcu_read_unlock();
 333
 334         return 0;
 335 }
 336
 337 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 338 {
 339         struct ieee80211_sub_if_data *sdata = sta->sdata;
 340
 341         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 342                         STATION_INFO_RX_BYTES |
 343                         STATION_INFO_TX_BYTES |
 344                         STATION_INFO_RX_PACKETS |
 345                         STATION_INFO_TX_PACKETS |
 346                         STATION_INFO_TX_BITRATE;
 347
 348         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 349         sinfo->rx_bytes = sta->rx_bytes;
 350         sinfo->tx_bytes = sta->tx_bytes;
 351         sinfo->rx_packets = sta->rx_packets;
 352         sinfo->tx_packets = sta->tx_packets;
 353
 354         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 355                 sinfo->filled |= STATION_INFO_SIGNAL;
 356                 sinfo->signal = (s8)sta->last_signal;
 357         }
 358
 359         sinfo->txrate.flags = 0;
 360         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 361                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 362         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 363                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 364         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 365                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 366
 367         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 368                 struct ieee80211_supported_band *sband;
 369                 sband = sta->local->hw.wiphy->bands[
 370                                 sta->local->hw.conf.channel->band];
 371                 sinfo->txrate.legacy =
 372                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 373         } else
 374                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 375
 376         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 377 #ifdef CONFIG_MAC80211_MESH
 378                 sinfo->filled |= STATION_INFO_LLID |
 379                                  STATION_INFO_PLID |
 380                                  STATION_INFO_PLINK_STATE;
 381
 382                 sinfo->llid = le16_to_cpu(sta->llid);
 383                 sinfo->plid = le16_to_cpu(sta->plid);
 384                 sinfo->plink_state = sta->plink_state;
 385 #endif
 386         }
 387 }
 388
 389
 390 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 391                                  int idx, u8 *mac, struct station_info *sinfo)
 392 {
 393         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 394         struct sta_info *sta;
 395         int ret = -ENOENT;
 396
 397         rcu_read_lock();
 398
 399         sta = sta_info_get_by_idx(local, idx, dev);
 400         if (sta) {
 401                 ret = 0;
 402                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 403                 sta_set_sinfo(sta, sinfo);
 404         }
 405
 406         rcu_read_unlock();
 407
 408         return ret;
 409 }
 410
 411 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 412                                  u8 *mac, struct station_info *sinfo)
 413 {
 414         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 415         struct sta_info *sta;
 416         int ret = -ENOENT;
 417
 418         rcu_read_lock();
 419
 420         /* XXX: verify sta->dev == dev */
 421
 422         sta = sta_info_get(local, mac);
 423         if (sta) {
 424                 ret = 0;
 425                 sta_set_sinfo(sta, sinfo);
 426         }
 427
 428         rcu_read_unlock();
 429
 430         return ret;
 431 }
 432
 433 /*
 434  * This handles both adding a beacon and setting new beacon info
 435  */
 436 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 437                                    struct beacon_parameters *params)
 438 {
 439         struct beacon_data *new, *old;
 440         int new_head_len, new_tail_len;
 441         int size;
 442         int err = -EINVAL;
 443
 444         old = sdata->u.ap.beacon;
 445
 446         /* head must not be zero-length */
 447         if (params->head && !params->head_len)
 448                 return -EINVAL;
 449
 450         /*
 451          * This is a kludge. beacon interval should really be part
 452          * of the beacon information.
 453          */
 454         if (params->interval && (sdata->local->hw.conf.beacon_int !=
 455                                  params->interval)) {
 456                 sdata->local->hw.conf.beacon_int = params->interval;
 457                 err = ieee80211_hw_config(sdata->local,
 458                                         IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
 459                 if (err < 0)
 460                         return err;
 461                 /*
 462                  * We updated some parameter so if below bails out
 463                  * it's not an error.
 464                  */
 465                 err = 0;
 466         }
 467
 468         /* Need to have a beacon head if we don't have one yet */
 469         if (!params->head && !old)
 470                 return err;
 471
 472         /* sorry, no way to start beaconing without dtim period */
 473         if (!params->dtim_period && !old)
 474                 return err;
 475
 476         /* new or old head? */
 477         if (params->head)
 478                 new_head_len = params->head_len;
 479         else
 480                 new_head_len = old->head_len;
 481
 482         /* new or old tail? */
 483         if (params->tail || !old)
 484                 /* params->tail_len will be zero for !params->tail */
 485                 new_tail_len = params->tail_len;
 486         else
 487                 new_tail_len = old->tail_len;
 488
 489         size = sizeof(*new) + new_head_len + new_tail_len;
 490
 491         new = kzalloc(size, GFP_KERNEL);
 492         if (!new)
 493                 return -ENOMEM;
 494
 495         /* start filling the new info now */
 496
 497         /* new or old dtim period? */
 498         if (params->dtim_period)
 499                 new->dtim_period = params->dtim_period;
 500         else
 501                 new->dtim_period = old->dtim_period;
 502
 503         /*
 504          * pointers go into the block we allocated,
 505          * memory is | beacon_data | head | tail |
 506          */
 507         new->head = ((u8 *) new) + sizeof(*new);
 508         new->tail = new->head + new_head_len;
 509         new->head_len = new_head_len;
 510         new->tail_len = new_tail_len;
 511
 512         /* copy in head */
 513         if (params->head)
 514                 memcpy(new->head, params->head, new_head_len);
 515         else
 516                 memcpy(new->head, old->head, new_head_len);
 517
 518         /* copy in optional tail */
 519         if (params->tail)
 520                 memcpy(new->tail, params->tail, new_tail_len);
 521         else
 522                 if (old)
 523                         memcpy(new->tail, old->tail, new_tail_len);
 524
 525         rcu_assign_pointer(sdata->u.ap.beacon, new);
 526
 527         synchronize_rcu();
 528
 529         kfree(old);
 530
 531         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
 532                                           IEEE80211_IFCC_BEACON_ENABLED);
 533 }
 534
 535 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 536                                 struct beacon_parameters *params)
 537 {
 538         struct ieee80211_sub_if_data *sdata;
 539         struct beacon_data *old;
 540
 541         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 542
 543         if (sdata->vif.type != NL80211_IFTYPE_AP)
 544                 return -EINVAL;
 545
 546         old = sdata->u.ap.beacon;
 547
 548         if (old)
 549                 return -EALREADY;
 550
 551         return ieee80211_config_beacon(sdata, params);
 552 }
 553
 554 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 555                                 struct beacon_parameters *params)
 556 {
 557         struct ieee80211_sub_if_data *sdata;
 558         struct beacon_data *old;
 559
 560         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 561
 562         if (sdata->vif.type != NL80211_IFTYPE_AP)
 563                 return -EINVAL;
 564
 565         old = sdata->u.ap.beacon;
 566
 567         if (!old)
 568                 return -ENOENT;
 569
 570         return ieee80211_config_beacon(sdata, params);
 571 }
 572
 573 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 574 {
 575         struct ieee80211_sub_if_data *sdata;
 576         struct beacon_data *old;
 577
 578         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 579
 580         if (sdata->vif.type != NL80211_IFTYPE_AP)
 581                 return -EINVAL;
 582
 583         old = sdata->u.ap.beacon;
 584
 585         if (!old)
 586                 return -ENOENT;
 587
 588         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 589         synchronize_rcu();
 590         kfree(old);
 591
 592         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
 593 }
 594
 595 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 596 struct iapp_layer2_update {
 597         u8 da[ETH_ALEN];        /* broadcast */
 598         u8 sa[ETH_ALEN];        /* STA addr */
 599         __be16 len;             /* 6 */
 600         u8 dsap;                /* 0 */
 601         u8 ssap;                /* 0 */
 602         u8 control;
 603         u8 xid_info[3];
 604 } __attribute__ ((packed));
 605
 606 static void ieee80211_send_layer2_update(struct sta_info *sta)
 607 {
 608         struct iapp_layer2_update *msg;
 609         struct sk_buff *skb;
 610
 611         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 612          * bridge devices */
 613
 614         skb = dev_alloc_skb(sizeof(*msg));
 615         if (!skb)
 616                 return;
 617         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 618
 619         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 620          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 621
 622         memset(msg->da, 0xff, ETH_ALEN);
 623         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 624         msg->len = htons(6);
 625         msg->dsap = 0;
 626         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 627         msg->control = 0xaf;    /* XID response lsb.1111F101.
 628                                  * F=0 (no poll command; unsolicited frame) */
 629         msg->xid_info[0] = 0x81;        /* XID format identifier */
 630         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 631         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 632
 633         skb->dev = sta->sdata->dev;
 634         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 635         memset(skb->cb, 0, sizeof(skb->cb));
 636         netif_rx(skb);
 637 }
 638
 639 static void sta_apply_parameters(struct ieee80211_local *local,
 640                                  struct sta_info *sta,
 641                                  struct station_parameters *params)
 642 {
 643         u32 rates;
 644         int i, j;
 645         struct ieee80211_supported_band *sband;
 646         struct ieee80211_sub_if_data *sdata = sta->sdata;
 647
 648         sband = local->hw.wiphy->bands[local->oper_channel->band];
 649
 650         /*
 651          * FIXME: updating the flags is racy when this function is
 652          *        called from ieee80211_change_station(), this will
 653          *        be resolved in a future patch.
 654          */
 655
 656         if (params->station_flags & STATION_FLAG_CHANGED) {
 657                 spin_lock_bh(&sta->lock);
 658                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 659                 if (params->station_flags & STATION_FLAG_AUTHORIZED)
 660                         sta->flags |= WLAN_STA_AUTHORIZED;
 661
 662                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 663                 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
 664                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 665
 666                 sta->flags &= ~WLAN_STA_WME;
 667                 if (params->station_flags & STATION_FLAG_WME)
 668                         sta->flags |= WLAN_STA_WME;
 669
 670                 sta->flags &= ~WLAN_STA_MFP;
 671                 if (params->station_flags & STATION_FLAG_MFP)
 672                         sta->flags |= WLAN_STA_MFP;
 673                 spin_unlock_bh(&sta->lock);
 674         }
 675
 676         /*
 677          * FIXME: updating the following information is racy when this
 678          *        function is called from ieee80211_change_station().
 679          *        However, all this information should be static so
 680          *        maybe we should just reject attemps to change it.
 681          */
 682
 683         if (params->aid) {
 684                 sta->sta.aid = params->aid;
 685                 if (sta->sta.aid > IEEE80211_MAX_AID)
 686                         sta->sta.aid = 0; /* XXX: should this be an error? */
 687         }
 688
 689         if (params->listen_interval >= 0)
 690                 sta->listen_interval = params->listen_interval;
 691
 692         if (params->supported_rates) {
 693                 rates = 0;
 694
 695                 for (i = 0; i < params->supported_rates_len; i++) {
 696                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 697                         for (j = 0; j < sband->n_bitrates; j++) {
 698                                 if (sband->bitrates[j].bitrate == rate)
 699                                         rates |= BIT(j);
 700                         }
 701                 }
 702                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 703         }
 704
 705         if (params->ht_capa)
 706                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 707                                                   params->ht_capa,
 708                                                   &sta->sta.ht_cap);
 709
 710         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 711                 switch (params->plink_action) {
 712                 case PLINK_ACTION_OPEN:
 713                         mesh_plink_open(sta);
 714                         break;
 715                 case PLINK_ACTION_BLOCK:
 716                         mesh_plink_block(sta);
 717                         break;
 718                 }
 719         }
 720 }
 721
 722 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 723                                  u8 *mac, struct station_parameters *params)
 724 {
 725         struct ieee80211_local *local = wiphy_priv(wiphy);
 726         struct sta_info *sta;
 727         struct ieee80211_sub_if_data *sdata;
 728         int err;
 729         int layer2_update;
 730
 731         if (params->vlan) {
 732                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 733
 734                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 735                     sdata->vif.type != NL80211_IFTYPE_AP)
 736                         return -EINVAL;
 737         } else
 738                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 739
 740         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 741                 return -EINVAL;
 742
 743         if (is_multicast_ether_addr(mac))
 744                 return -EINVAL;
 745
 746         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 747         if (!sta)
 748                 return -ENOMEM;
 749
 750         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 751
 752         sta_apply_parameters(local, sta, params);
 753
 754         rate_control_rate_init(sta);
 755
 756         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 757                 sdata->vif.type == NL80211_IFTYPE_AP;
 758
 759         rcu_read_lock();
 760
 761         err = sta_info_insert(sta);
 762         if (err) {
 763                 /* STA has been freed */
 764                 if (err == -EEXIST && layer2_update) {
 765                         /* Need to update layer 2 devices on reassociation */
 766                         sta = sta_info_get(local, mac);
 767                         if (sta)
 768                                 ieee80211_send_layer2_update(sta);
 769                 }
 770                 rcu_read_unlock();
 771                 return err;
 772         }
 773
 774         if (layer2_update)
 775                 ieee80211_send_layer2_update(sta);
 776
 777         rcu_read_unlock();
 778
 779         return 0;
 780 }
 781
 782 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 783                                  u8 *mac)
 784 {
 785         struct ieee80211_local *local = wiphy_priv(wiphy);
 786         struct ieee80211_sub_if_data *sdata;
 787         struct sta_info *sta;
 788
 789         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 790
 791         if (mac) {
 792                 rcu_read_lock();
 793
 794                 /* XXX: get sta belonging to dev */
 795                 sta = sta_info_get(local, mac);
 796                 if (!sta) {
 797                         rcu_read_unlock();
 798                         return -ENOENT;
 799                 }
 800
 801                 sta_info_unlink(&sta);
 802                 rcu_read_unlock();
 803
 804                 sta_info_destroy(sta);
 805         } else
 806                 sta_info_flush(local, sdata);
 807
 808         return 0;
 809 }
 810
 811 static int ieee80211_change_station(struct wiphy *wiphy,
 812                                     struct net_device *dev,
 813                                     u8 *mac,
 814                                     struct station_parameters *params)
 815 {
 816         struct ieee80211_local *local = wiphy_priv(wiphy);
 817         struct sta_info *sta;
 818         struct ieee80211_sub_if_data *vlansdata;
 819
 820         rcu_read_lock();
 821
 822         /* XXX: get sta belonging to dev */
 823         sta = sta_info_get(local, mac);
 824         if (!sta) {
 825                 rcu_read_unlock();
 826                 return -ENOENT;
 827         }
 828
 829         if (params->vlan && params->vlan != sta->sdata->dev) {
 830                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 831
 832                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 833                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 834                         rcu_read_unlock();
 835                         return -EINVAL;
 836                 }
 837
 838                 sta->sdata = vlansdata;
 839                 ieee80211_send_layer2_update(sta);
 840         }
 841
 842         sta_apply_parameters(local, sta, params);
 843
 844         rcu_read_unlock();
 845
 846         return 0;
 847 }
 848
 849 #ifdef CONFIG_MAC80211_MESH
 850 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 851                                  u8 *dst, u8 *next_hop)
 852 {
 853         struct ieee80211_local *local = wiphy_priv(wiphy);
 854         struct ieee80211_sub_if_data *sdata;
 855         struct mesh_path *mpath;
 856         struct sta_info *sta;
 857         int err;
 858
 859         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 860
 861         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 862                 return -ENOTSUPP;
 863
 864         rcu_read_lock();
 865         sta = sta_info_get(local, next_hop);
 866         if (!sta) {
 867                 rcu_read_unlock();
 868                 return -ENOENT;
 869         }
 870
 871         err = mesh_path_add(dst, sdata);
 872         if (err) {
 873                 rcu_read_unlock();
 874                 return err;
 875         }
 876
 877         mpath = mesh_path_lookup(dst, sdata);
 878         if (!mpath) {
 879                 rcu_read_unlock();
 880                 return -ENXIO;
 881         }
 882         mesh_path_fix_nexthop(mpath, sta);
 883
 884         rcu_read_unlock();
 885         return 0;
 886 }
 887
 888 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 889                                  u8 *dst)
 890 {
 891         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 892
 893         if (dst)
 894                 return mesh_path_del(dst, sdata);
 895
 896         mesh_path_flush(sdata);
 897         return 0;
 898 }
 899
 900 static int ieee80211_change_mpath(struct wiphy *wiphy,
 901                                     struct net_device *dev,
 902                                     u8 *dst, u8 *next_hop)
 903 {
 904         struct ieee80211_local *local = wiphy_priv(wiphy);
 905         struct ieee80211_sub_if_data *sdata;
 906         struct mesh_path *mpath;
 907         struct sta_info *sta;
 908
 909         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 910
 911         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 912                 return -ENOTSUPP;
 913
 914         rcu_read_lock();
 915
 916         sta = sta_info_get(local, next_hop);
 917         if (!sta) {
 918                 rcu_read_unlock();
 919                 return -ENOENT;
 920         }
 921
 922         mpath = mesh_path_lookup(dst, sdata);
 923         if (!mpath) {
 924                 rcu_read_unlock();
 925                 return -ENOENT;
 926         }
 927
 928         mesh_path_fix_nexthop(mpath, sta);
 929
 930         rcu_read_unlock();
 931         return 0;
 932 }
 933
 934 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 935                             struct mpath_info *pinfo)
 936 {
 937         if (mpath->next_hop)
 938                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 939         else
 940                 memset(next_hop, 0, ETH_ALEN);
 941
 942         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 943                         MPATH_INFO_DSN |
 944                         MPATH_INFO_METRIC |
 945                         MPATH_INFO_EXPTIME |
 946                         MPATH_INFO_DISCOVERY_TIMEOUT |
 947                         MPATH_INFO_DISCOVERY_RETRIES |
 948                         MPATH_INFO_FLAGS;
 949
 950         pinfo->frame_qlen = mpath->frame_queue.qlen;
 951         pinfo->dsn = mpath->dsn;
 952         pinfo->metric = mpath->metric;
 953         if (time_before(jiffies, mpath->exp_time))
 954                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 955         pinfo->discovery_timeout =
 956                         jiffies_to_msecs(mpath->discovery_timeout);
 957         pinfo->discovery_retries = mpath->discovery_retries;
 958         pinfo->flags = 0;
 959         if (mpath->flags & MESH_PATH_ACTIVE)
 960                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 961         if (mpath->flags & MESH_PATH_RESOLVING)
 962                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 963         if (mpath->flags & MESH_PATH_DSN_VALID)
 964                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 965         if (mpath->flags & MESH_PATH_FIXED)
 966                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 967         if (mpath->flags & MESH_PATH_RESOLVING)
 968                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 969
 970         pinfo->flags = mpath->flags;
 971 }
 972
 973 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 974                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 975
 976 {
 977         struct ieee80211_sub_if_data *sdata;
 978         struct mesh_path *mpath;
 979
 980         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 981
 982         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 983                 return -ENOTSUPP;
 984
 985         rcu_read_lock();
 986         mpath = mesh_path_lookup(dst, sdata);
 987         if (!mpath) {
 988                 rcu_read_unlock();
 989                 return -ENOENT;
 990         }
 991         memcpy(dst, mpath->dst, ETH_ALEN);
 992         mpath_set_pinfo(mpath, next_hop, pinfo);
 993         rcu_read_unlock();
 994         return 0;
 995 }
 996
 997 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 998                                  int idx, u8 *dst, u8 *next_hop,
 999                                  struct mpath_info *pinfo)
1000 {
1001         struct ieee80211_sub_if_data *sdata;
1002         struct mesh_path *mpath;
1003
1004         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005
1006         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1007                 return -ENOTSUPP;
1008
1009         rcu_read_lock();
1010         mpath = mesh_path_lookup_by_idx(idx, sdata);
1011         if (!mpath) {
1012                 rcu_read_unlock();
1013                 return -ENOENT;
1014         }
1015         memcpy(dst, mpath->dst, ETH_ALEN);
1016         mpath_set_pinfo(mpath, next_hop, pinfo);
1017         rcu_read_unlock();
1018         return 0;
1019 }
1020
1021 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1022                                 struct net_device *dev,
1023                                 struct mesh_config *conf)
1024 {
1025         struct ieee80211_sub_if_data *sdata;
1026         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1027
1028         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1029                 return -ENOTSUPP;
1030         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1031         return 0;
1032 }
1033
1034 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1035 {
1036         return (mask >> (parm-1)) & 0x1;
1037 }
1038
1039 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1040                                 struct net_device *dev,
1041                                 const struct mesh_config *nconf, u32 mask)
1042 {
1043         struct mesh_config *conf;
1044         struct ieee80211_sub_if_data *sdata;
1045         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1046
1047         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1048                 return -ENOTSUPP;
1049
1050         /* Set the config options which we are interested in setting */
1051         conf = &(sdata->u.mesh.mshcfg);
1052         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1053                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1054         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1055                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1056         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1057                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1058         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1059                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1060         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1061                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1062         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1063                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1064         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1065                 conf->auto_open_plinks = nconf->auto_open_plinks;
1066         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1067                 conf->dot11MeshHWMPmaxPREQretries =
1068                         nconf->dot11MeshHWMPmaxPREQretries;
1069         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1070                 conf->path_refresh_time = nconf->path_refresh_time;
1071         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1072                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1073         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1074                 conf->dot11MeshHWMPactivePathTimeout =
1075                         nconf->dot11MeshHWMPactivePathTimeout;
1076         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1077                 conf->dot11MeshHWMPpreqMinInterval =
1078                         nconf->dot11MeshHWMPpreqMinInterval;
1079         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1080                            mask))
1081                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1082                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1083         return 0;
1084 }
1085
1086 #endif
1087
1088 static int ieee80211_change_bss(struct wiphy *wiphy,
1089                                 struct net_device *dev,
1090                                 struct bss_parameters *params)
1091 {
1092         struct ieee80211_sub_if_data *sdata;
1093         u32 changed = 0;
1094
1095         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1096
1097         if (sdata->vif.type != NL80211_IFTYPE_AP)
1098                 return -EINVAL;
1099
1100         if (params->use_cts_prot >= 0) {
1101                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1102                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1103         }
1104         if (params->use_short_preamble >= 0) {
1105                 sdata->vif.bss_conf.use_short_preamble =
1106                         params->use_short_preamble;
1107                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1108         }
1109         if (params->use_short_slot_time >= 0) {
1110                 sdata->vif.bss_conf.use_short_slot =
1111                         params->use_short_slot_time;
1112                 changed |= BSS_CHANGED_ERP_SLOT;
1113         }
1114
1115         if (params->basic_rates) {
1116                 int i, j;
1117                 u32 rates = 0;
1118                 struct ieee80211_local *local = wiphy_priv(wiphy);
1119                 struct ieee80211_supported_band *sband =
1120                         wiphy->bands[local->oper_channel->band];
1121
1122                 for (i = 0; i < params->basic_rates_len; i++) {
1123                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1124                         for (j = 0; j < sband->n_bitrates; j++) {
1125                                 if (sband->bitrates[j].bitrate == rate)
1126                                         rates |= BIT(j);
1127                         }
1128                 }
1129                 sdata->vif.bss_conf.basic_rates = rates;
1130                 changed |= BSS_CHANGED_BASIC_RATES;
1131         }
1132
1133         ieee80211_bss_info_change_notify(sdata, changed);
1134
1135         return 0;
1136 }
1137
1138 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1139                                     struct ieee80211_txq_params *params)
1140 {
1141         struct ieee80211_local *local = wiphy_priv(wiphy);
1142         struct ieee80211_tx_queue_params p;
1143
1144         if (!local->ops->conf_tx)
1145                 return -EOPNOTSUPP;
1146
1147         memset(&p, 0, sizeof(p));
1148         p.aifs = params->aifs;
1149         p.cw_max = params->cwmax;
1150         p.cw_min = params->cwmin;
1151         p.txop = params->txop;
1152         if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
1153                 printk(KERN_DEBUG "%s: failed to set TX queue "
1154                        "parameters for queue %d\n", local->mdev->name,
1155                        params->queue);
1156                 return -EINVAL;
1157         }
1158
1159         return 0;
1160 }
1161
1162 static int ieee80211_set_channel(struct wiphy *wiphy,
1163                                  struct ieee80211_channel *chan,
1164                                  enum nl80211_channel_type channel_type)
1165 {
1166         struct ieee80211_local *local = wiphy_priv(wiphy);
1167
1168         local->oper_channel = chan;
1169         local->oper_channel_type = channel_type;
1170
1171         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1172 }
1173
1174 #ifdef CONFIG_PM
1175 static int ieee80211_suspend(struct wiphy *wiphy)
1176 {
1177         return __ieee80211_suspend(wiphy_priv(wiphy));
1178 }
1179
1180 static int ieee80211_resume(struct wiphy *wiphy)
1181 {
1182         return __ieee80211_resume(wiphy_priv(wiphy));
1183 }
1184 #else
1185 #define ieee80211_suspend NULL
1186 #define ieee80211_resume NULL
1187 #endif
1188
1189 static int ieee80211_scan(struct wiphy *wiphy,
1190                           struct net_device *dev,
1191                           struct cfg80211_scan_request *req)
1192 {
1193         struct ieee80211_sub_if_data *sdata;
1194
1195         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1196
1197         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1198             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1199             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1200                 return -EOPNOTSUPP;
1201
1202         return ieee80211_request_scan(sdata, req);
1203 }
1204
1205 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1206                           struct cfg80211_auth_request *req)
1207 {
1208         struct ieee80211_sub_if_data *sdata;
1209
1210         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1211
1212         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1213                 return -EOPNOTSUPP;
1214
1215         switch (req->auth_type) {
1216         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1217                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1218                 break;
1219         case NL80211_AUTHTYPE_SHARED_KEY:
1220                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1221                 break;
1222         case NL80211_AUTHTYPE_FT:
1223                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1224                 break;
1225         case NL80211_AUTHTYPE_NETWORK_EAP:
1226                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1227                 break;
1228         default:
1229                 return -EOPNOTSUPP;
1230         }
1231
1232         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1233         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1234         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1235
1236         /* TODO: req->chan */
1237         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1238
1239         if (req->ssid) {
1240                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1241                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1242                 sdata->u.mgd.ssid_len = req->ssid_len;
1243                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1244         }
1245
1246         kfree(sdata->u.mgd.sme_auth_ie);
1247         sdata->u.mgd.sme_auth_ie = NULL;
1248         sdata->u.mgd.sme_auth_ie_len = 0;
1249         if (req->ie) {
1250                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1251                 if (sdata->u.mgd.sme_auth_ie == NULL)
1252                         return -ENOMEM;
1253                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1254                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1255         }
1256
1257         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1258         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1259         ieee80211_sta_req_auth(sdata);
1260         return 0;
1261 }
1262
1263 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1264                            struct cfg80211_assoc_request *req)
1265 {
1266         struct ieee80211_sub_if_data *sdata;
1267         int ret;
1268
1269         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1270
1271         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1272                 return -EOPNOTSUPP;
1273
1274         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1275             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1276                 return -ENOLINK; /* not authenticated */
1277
1278         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1279         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1280
1281         /* TODO: req->chan */
1282         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1283
1284         if (req->ssid) {
1285                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1286                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1287                 sdata->u.mgd.ssid_len = req->ssid_len;
1288                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1289         } else
1290                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1291
1292         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1293         if (ret)
1294                 return ret;
1295
1296         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1297         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1298         ieee80211_sta_req_auth(sdata);
1299         return 0;
1300 }
1301
1302 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1303                             struct cfg80211_deauth_request *req)
1304 {
1305         struct ieee80211_sub_if_data *sdata;
1306
1307         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1308         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1309                 return -EOPNOTSUPP;
1310
1311         /* TODO: req->ie */
1312         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1313 }
1314
1315 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1316                               struct cfg80211_disassoc_request *req)
1317 {
1318         struct ieee80211_sub_if_data *sdata;
1319
1320         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1321
1322         if (sdata->vif.type != NL80211_IFTYPE_STATION)
1323                 return -EOPNOTSUPP;
1324
1325         /* TODO: req->ie */
1326         return ieee80211_sta_disassociate(sdata, req->reason_code);
1327 }
1328
1329 struct cfg80211_ops mac80211_config_ops = {
1330         .add_virtual_intf = ieee80211_add_iface,
1331         .del_virtual_intf = ieee80211_del_iface,
1332         .change_virtual_intf = ieee80211_change_iface,
1333         .add_key = ieee80211_add_key,
1334         .del_key = ieee80211_del_key,
1335         .get_key = ieee80211_get_key,
1336         .set_default_key = ieee80211_config_default_key,
1337         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1338         .add_beacon = ieee80211_add_beacon,
1339         .set_beacon = ieee80211_set_beacon,
1340         .del_beacon = ieee80211_del_beacon,
1341         .add_station = ieee80211_add_station,
1342         .del_station = ieee80211_del_station,
1343         .change_station = ieee80211_change_station,
1344         .get_station = ieee80211_get_station,
1345         .dump_station = ieee80211_dump_station,
1346 #ifdef CONFIG_MAC80211_MESH
1347         .add_mpath = ieee80211_add_mpath,
1348         .del_mpath = ieee80211_del_mpath,
1349         .change_mpath = ieee80211_change_mpath,
1350         .get_mpath = ieee80211_get_mpath,
1351         .dump_mpath = ieee80211_dump_mpath,
1352         .set_mesh_params = ieee80211_set_mesh_params,
1353         .get_mesh_params = ieee80211_get_mesh_params,
1354 #endif
1355         .change_bss = ieee80211_change_bss,
1356         .set_txq_params = ieee80211_set_txq_params,
1357         .set_channel = ieee80211_set_channel,
1358         .suspend = ieee80211_suspend,
1359         .resume = ieee80211_resume,
1360         .scan = ieee80211_scan,
1361         .auth = ieee80211_auth,
1362         .assoc = ieee80211_assoc,
1363         .deauth = ieee80211_deauth,
1364         .disassoc = ieee80211_disassoc,
1365 };