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 "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 &&
 455             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 456                 sdata->vif.bss_conf.beacon_int = params->interval;
 457                 ieee80211_bss_info_change_notify(sdata,
 458                                                  BSS_CHANGED_BEACON_INT);
 459         }
 460
 461         /* Need to have a beacon head if we don't have one yet */
 462         if (!params->head && !old)
 463                 return err;
 464
 465         /* sorry, no way to start beaconing without dtim period */
 466         if (!params->dtim_period && !old)
 467                 return err;
 468
 469         /* new or old head? */
 470         if (params->head)
 471                 new_head_len = params->head_len;
 472         else
 473                 new_head_len = old->head_len;
 474
 475         /* new or old tail? */
 476         if (params->tail || !old)
 477                 /* params->tail_len will be zero for !params->tail */
 478                 new_tail_len = params->tail_len;
 479         else
 480                 new_tail_len = old->tail_len;
 481
 482         size = sizeof(*new) + new_head_len + new_tail_len;
 483
 484         new = kzalloc(size, GFP_KERNEL);
 485         if (!new)
 486                 return -ENOMEM;
 487
 488         /* start filling the new info now */
 489
 490         /* new or old dtim period? */
 491         if (params->dtim_period)
 492                 new->dtim_period = params->dtim_period;
 493         else
 494                 new->dtim_period = old->dtim_period;
 495
 496         /*
 497          * pointers go into the block we allocated,
 498          * memory is | beacon_data | head | tail |
 499          */
 500         new->head = ((u8 *) new) + sizeof(*new);
 501         new->tail = new->head + new_head_len;
 502         new->head_len = new_head_len;
 503         new->tail_len = new_tail_len;
 504
 505         /* copy in head */
 506         if (params->head)
 507                 memcpy(new->head, params->head, new_head_len);
 508         else
 509                 memcpy(new->head, old->head, new_head_len);
 510
 511         /* copy in optional tail */
 512         if (params->tail)
 513                 memcpy(new->tail, params->tail, new_tail_len);
 514         else
 515                 if (old)
 516                         memcpy(new->tail, old->tail, new_tail_len);
 517
 518         rcu_assign_pointer(sdata->u.ap.beacon, new);
 519
 520         synchronize_rcu();
 521
 522         kfree(old);
 523
 524         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
 525                                           IEEE80211_IFCC_BEACON_ENABLED);
 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         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
 577 }
 578
 579 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 580 struct iapp_layer2_update {
 581         u8 da[ETH_ALEN];        /* broadcast */
 582         u8 sa[ETH_ALEN];        /* STA addr */
 583         __be16 len;             /* 6 */
 584         u8 dsap;                /* 0 */
 585         u8 ssap;                /* 0 */
 586         u8 control;
 587         u8 xid_info[3];
 588 } __attribute__ ((packed));
 589
 590 static void ieee80211_send_layer2_update(struct sta_info *sta)
 591 {
 592         struct iapp_layer2_update *msg;
 593         struct sk_buff *skb;
 594
 595         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 596          * bridge devices */
 597
 598         skb = dev_alloc_skb(sizeof(*msg));
 599         if (!skb)
 600                 return;
 601         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 602
 603         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 604          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 605
 606         memset(msg->da, 0xff, ETH_ALEN);
 607         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 608         msg->len = htons(6);
 609         msg->dsap = 0;
 610         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 611         msg->control = 0xaf;    /* XID response lsb.1111F101.
 612                                  * F=0 (no poll command; unsolicited frame) */
 613         msg->xid_info[0] = 0x81;        /* XID format identifier */
 614         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 615         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 616
 617         skb->dev = sta->sdata->dev;
 618         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 619         memset(skb->cb, 0, sizeof(skb->cb));
 620         netif_rx(skb);
 621 }
 622
 623 static void sta_apply_parameters(struct ieee80211_local *local,
 624                                  struct sta_info *sta,
 625                                  struct station_parameters *params)
 626 {
 627         u32 rates;
 628         int i, j;
 629         struct ieee80211_supported_band *sband;
 630         struct ieee80211_sub_if_data *sdata = sta->sdata;
 631
 632         sband = local->hw.wiphy->bands[local->oper_channel->band];
 633
 634         /*
 635          * FIXME: updating the flags is racy when this function is
 636          *        called from ieee80211_change_station(), this will
 637          *        be resolved in a future patch.
 638          */
 639
 640         if (params->station_flags & STATION_FLAG_CHANGED) {
 641                 spin_lock_bh(&sta->lock);
 642                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 643                 if (params->station_flags & STATION_FLAG_AUTHORIZED)
 644                         sta->flags |= WLAN_STA_AUTHORIZED;
 645
 646                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 647                 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
 648                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 649
 650                 sta->flags &= ~WLAN_STA_WME;
 651                 if (params->station_flags & STATION_FLAG_WME)
 652                         sta->flags |= WLAN_STA_WME;
 653
 654                 sta->flags &= ~WLAN_STA_MFP;
 655                 if (params->station_flags & STATION_FLAG_MFP)
 656                         sta->flags |= WLAN_STA_MFP;
 657                 spin_unlock_bh(&sta->lock);
 658         }
 659
 660         /*
 661          * FIXME: updating the following information is racy when this
 662          *        function is called from ieee80211_change_station().
 663          *        However, all this information should be static so
 664          *        maybe we should just reject attemps to change it.
 665          */
 666
 667         if (params->aid) {
 668                 sta->sta.aid = params->aid;
 669                 if (sta->sta.aid > IEEE80211_MAX_AID)
 670                         sta->sta.aid = 0; /* XXX: should this be an error? */
 671         }
 672
 673         if (params->listen_interval >= 0)
 674                 sta->listen_interval = params->listen_interval;
 675
 676         if (params->supported_rates) {
 677                 rates = 0;
 678
 679                 for (i = 0; i < params->supported_rates_len; i++) {
 680                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 681                         for (j = 0; j < sband->n_bitrates; j++) {
 682                                 if (sband->bitrates[j].bitrate == rate)
 683                                         rates |= BIT(j);
 684                         }
 685                 }
 686                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 687         }
 688
 689         if (params->ht_capa)
 690                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 691                                                   params->ht_capa,
 692                                                   &sta->sta.ht_cap);
 693
 694         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 695                 switch (params->plink_action) {
 696                 case PLINK_ACTION_OPEN:
 697                         mesh_plink_open(sta);
 698                         break;
 699                 case PLINK_ACTION_BLOCK:
 700                         mesh_plink_block(sta);
 701                         break;
 702                 }
 703         }
 704 }
 705
 706 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 707                                  u8 *mac, struct station_parameters *params)
 708 {
 709         struct ieee80211_local *local = wiphy_priv(wiphy);
 710         struct sta_info *sta;
 711         struct ieee80211_sub_if_data *sdata;
 712         int err;
 713         int layer2_update;
 714
 715         if (params->vlan) {
 716                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 717
 718                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 719                     sdata->vif.type != NL80211_IFTYPE_AP)
 720                         return -EINVAL;
 721         } else
 722                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 723
 724         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 725                 return -EINVAL;
 726
 727         if (is_multicast_ether_addr(mac))
 728                 return -EINVAL;
 729
 730         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 731         if (!sta)
 732                 return -ENOMEM;
 733
 734         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 735
 736         sta_apply_parameters(local, sta, params);
 737
 738         rate_control_rate_init(sta);
 739
 740         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 741                 sdata->vif.type == NL80211_IFTYPE_AP;
 742
 743         rcu_read_lock();
 744
 745         err = sta_info_insert(sta);
 746         if (err) {
 747                 /* STA has been freed */
 748                 if (err == -EEXIST && layer2_update) {
 749                         /* Need to update layer 2 devices on reassociation */
 750                         sta = sta_info_get(local, mac);
 751                         if (sta)
 752                                 ieee80211_send_layer2_update(sta);
 753                 }
 754                 rcu_read_unlock();
 755                 return err;
 756         }
 757
 758         if (layer2_update)
 759                 ieee80211_send_layer2_update(sta);
 760
 761         rcu_read_unlock();
 762
 763         return 0;
 764 }
 765
 766 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 767                                  u8 *mac)
 768 {
 769         struct ieee80211_local *local = wiphy_priv(wiphy);
 770         struct ieee80211_sub_if_data *sdata;
 771         struct sta_info *sta;
 772
 773         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 774
 775         if (mac) {
 776                 rcu_read_lock();
 777
 778                 /* XXX: get sta belonging to dev */
 779                 sta = sta_info_get(local, mac);
 780                 if (!sta) {
 781                         rcu_read_unlock();
 782                         return -ENOENT;
 783                 }
 784
 785                 sta_info_unlink(&sta);
 786                 rcu_read_unlock();
 787
 788                 sta_info_destroy(sta);
 789         } else
 790                 sta_info_flush(local, sdata);
 791
 792         return 0;
 793 }
 794
 795 static int ieee80211_change_station(struct wiphy *wiphy,
 796                                     struct net_device *dev,
 797                                     u8 *mac,
 798                                     struct station_parameters *params)
 799 {
 800         struct ieee80211_local *local = wiphy_priv(wiphy);
 801         struct sta_info *sta;
 802         struct ieee80211_sub_if_data *vlansdata;
 803
 804         rcu_read_lock();
 805
 806         /* XXX: get sta belonging to dev */
 807         sta = sta_info_get(local, mac);
 808         if (!sta) {
 809                 rcu_read_unlock();
 810                 return -ENOENT;
 811         }
 812
 813         if (params->vlan && params->vlan != sta->sdata->dev) {
 814                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 815
 816                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 817                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 818                         rcu_read_unlock();
 819                         return -EINVAL;
 820                 }
 821
 822                 sta->sdata = vlansdata;
 823                 ieee80211_send_layer2_update(sta);
 824         }
 825
 826         sta_apply_parameters(local, sta, params);
 827
 828         rcu_read_unlock();
 829
 830         return 0;
 831 }
 832
 833 #ifdef CONFIG_MAC80211_MESH
 834 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 835                                  u8 *dst, u8 *next_hop)
 836 {
 837         struct ieee80211_local *local = wiphy_priv(wiphy);
 838         struct ieee80211_sub_if_data *sdata;
 839         struct mesh_path *mpath;
 840         struct sta_info *sta;
 841         int err;
 842
 843         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 844
 845         rcu_read_lock();
 846         sta = sta_info_get(local, next_hop);
 847         if (!sta) {
 848                 rcu_read_unlock();
 849                 return -ENOENT;
 850         }
 851
 852         err = mesh_path_add(dst, sdata);
 853         if (err) {
 854                 rcu_read_unlock();
 855                 return err;
 856         }
 857
 858         mpath = mesh_path_lookup(dst, sdata);
 859         if (!mpath) {
 860                 rcu_read_unlock();
 861                 return -ENXIO;
 862         }
 863         mesh_path_fix_nexthop(mpath, sta);
 864
 865         rcu_read_unlock();
 866         return 0;
 867 }
 868
 869 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 870                                  u8 *dst)
 871 {
 872         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 873
 874         if (dst)
 875                 return mesh_path_del(dst, sdata);
 876
 877         mesh_path_flush(sdata);
 878         return 0;
 879 }
 880
 881 static int ieee80211_change_mpath(struct wiphy *wiphy,
 882                                     struct net_device *dev,
 883                                     u8 *dst, u8 *next_hop)
 884 {
 885         struct ieee80211_local *local = wiphy_priv(wiphy);
 886         struct ieee80211_sub_if_data *sdata;
 887         struct mesh_path *mpath;
 888         struct sta_info *sta;
 889
 890         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 891
 892         rcu_read_lock();
 893
 894         sta = sta_info_get(local, next_hop);
 895         if (!sta) {
 896                 rcu_read_unlock();
 897                 return -ENOENT;
 898         }
 899
 900         mpath = mesh_path_lookup(dst, sdata);
 901         if (!mpath) {
 902                 rcu_read_unlock();
 903                 return -ENOENT;
 904         }
 905
 906         mesh_path_fix_nexthop(mpath, sta);
 907
 908         rcu_read_unlock();
 909         return 0;
 910 }
 911
 912 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 913                             struct mpath_info *pinfo)
 914 {
 915         if (mpath->next_hop)
 916                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 917         else
 918                 memset(next_hop, 0, ETH_ALEN);
 919
 920         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 921                         MPATH_INFO_DSN |
 922                         MPATH_INFO_METRIC |
 923                         MPATH_INFO_EXPTIME |
 924                         MPATH_INFO_DISCOVERY_TIMEOUT |
 925                         MPATH_INFO_DISCOVERY_RETRIES |
 926                         MPATH_INFO_FLAGS;
 927
 928         pinfo->frame_qlen = mpath->frame_queue.qlen;
 929         pinfo->dsn = mpath->dsn;
 930         pinfo->metric = mpath->metric;
 931         if (time_before(jiffies, mpath->exp_time))
 932                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 933         pinfo->discovery_timeout =
 934                         jiffies_to_msecs(mpath->discovery_timeout);
 935         pinfo->discovery_retries = mpath->discovery_retries;
 936         pinfo->flags = 0;
 937         if (mpath->flags & MESH_PATH_ACTIVE)
 938                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 939         if (mpath->flags & MESH_PATH_RESOLVING)
 940                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 941         if (mpath->flags & MESH_PATH_DSN_VALID)
 942                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 943         if (mpath->flags & MESH_PATH_FIXED)
 944                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 945         if (mpath->flags & MESH_PATH_RESOLVING)
 946                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 947
 948         pinfo->flags = mpath->flags;
 949 }
 950
 951 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 952                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 953
 954 {
 955         struct ieee80211_sub_if_data *sdata;
 956         struct mesh_path *mpath;
 957
 958         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 959
 960         rcu_read_lock();
 961         mpath = mesh_path_lookup(dst, sdata);
 962         if (!mpath) {
 963                 rcu_read_unlock();
 964                 return -ENOENT;
 965         }
 966         memcpy(dst, mpath->dst, ETH_ALEN);
 967         mpath_set_pinfo(mpath, next_hop, pinfo);
 968         rcu_read_unlock();
 969         return 0;
 970 }
 971
 972 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 973                                  int idx, u8 *dst, u8 *next_hop,
 974                                  struct mpath_info *pinfo)
 975 {
 976         struct ieee80211_sub_if_data *sdata;
 977         struct mesh_path *mpath;
 978
 979         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 980
 981         rcu_read_lock();
 982         mpath = mesh_path_lookup_by_idx(idx, sdata);
 983         if (!mpath) {
 984                 rcu_read_unlock();
 985                 return -ENOENT;
 986         }
 987         memcpy(dst, mpath->dst, ETH_ALEN);
 988         mpath_set_pinfo(mpath, next_hop, pinfo);
 989         rcu_read_unlock();
 990         return 0;
 991 }
 992
 993 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
 994                                 struct net_device *dev,
 995                                 struct mesh_config *conf)
 996 {
 997         struct ieee80211_sub_if_data *sdata;
 998         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 999
1000         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1001         return 0;
1002 }
1003
1004 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1005 {
1006         return (mask >> (parm-1)) & 0x1;
1007 }
1008
1009 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1010                                 struct net_device *dev,
1011                                 const struct mesh_config *nconf, u32 mask)
1012 {
1013         struct mesh_config *conf;
1014         struct ieee80211_sub_if_data *sdata;
1015         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1016
1017         /* Set the config options which we are interested in setting */
1018         conf = &(sdata->u.mesh.mshcfg);
1019         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1020                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1021         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1022                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1023         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1024                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1025         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1026                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1027         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1028                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1029         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1030                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1031         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1032                 conf->auto_open_plinks = nconf->auto_open_plinks;
1033         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1034                 conf->dot11MeshHWMPmaxPREQretries =
1035                         nconf->dot11MeshHWMPmaxPREQretries;
1036         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1037                 conf->path_refresh_time = nconf->path_refresh_time;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1039                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1040         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1041                 conf->dot11MeshHWMPactivePathTimeout =
1042                         nconf->dot11MeshHWMPactivePathTimeout;
1043         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1044                 conf->dot11MeshHWMPpreqMinInterval =
1045                         nconf->dot11MeshHWMPpreqMinInterval;
1046         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1047                            mask))
1048                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1049                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1050         return 0;
1051 }
1052
1053 #endif
1054
1055 static int ieee80211_change_bss(struct wiphy *wiphy,
1056                                 struct net_device *dev,
1057                                 struct bss_parameters *params)
1058 {
1059         struct ieee80211_sub_if_data *sdata;
1060         u32 changed = 0;
1061
1062         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1063
1064         if (params->use_cts_prot >= 0) {
1065                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1066                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1067         }
1068         if (params->use_short_preamble >= 0) {
1069                 sdata->vif.bss_conf.use_short_preamble =
1070                         params->use_short_preamble;
1071                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1072         }
1073         if (params->use_short_slot_time >= 0) {
1074                 sdata->vif.bss_conf.use_short_slot =
1075                         params->use_short_slot_time;
1076                 changed |= BSS_CHANGED_ERP_SLOT;
1077         }
1078
1079         if (params->basic_rates) {
1080                 int i, j;
1081                 u32 rates = 0;
1082                 struct ieee80211_local *local = wiphy_priv(wiphy);
1083                 struct ieee80211_supported_band *sband =
1084                         wiphy->bands[local->oper_channel->band];
1085
1086                 for (i = 0; i < params->basic_rates_len; i++) {
1087                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1088                         for (j = 0; j < sband->n_bitrates; j++) {
1089                                 if (sband->bitrates[j].bitrate == rate)
1090                                         rates |= BIT(j);
1091                         }
1092                 }
1093                 sdata->vif.bss_conf.basic_rates = rates;
1094                 changed |= BSS_CHANGED_BASIC_RATES;
1095         }
1096
1097         ieee80211_bss_info_change_notify(sdata, changed);
1098
1099         return 0;
1100 }
1101
1102 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1103                                     struct ieee80211_txq_params *params)
1104 {
1105         struct ieee80211_local *local = wiphy_priv(wiphy);
1106         struct ieee80211_tx_queue_params p;
1107
1108         if (!local->ops->conf_tx)
1109                 return -EOPNOTSUPP;
1110
1111         memset(&p, 0, sizeof(p));
1112         p.aifs = params->aifs;
1113         p.cw_max = params->cwmax;
1114         p.cw_min = params->cwmin;
1115         p.txop = params->txop;
1116         if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
1117                 printk(KERN_DEBUG "%s: failed to set TX queue "
1118                        "parameters for queue %d\n", local->mdev->name,
1119                        params->queue);
1120                 return -EINVAL;
1121         }
1122
1123         return 0;
1124 }
1125
1126 static int ieee80211_set_channel(struct wiphy *wiphy,
1127                                  struct ieee80211_channel *chan,
1128                                  enum nl80211_channel_type channel_type)
1129 {
1130         struct ieee80211_local *local = wiphy_priv(wiphy);
1131
1132         local->oper_channel = chan;
1133         local->oper_channel_type = channel_type;
1134
1135         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1136 }
1137
1138 #ifdef CONFIG_PM
1139 static int ieee80211_suspend(struct wiphy *wiphy)
1140 {
1141         return __ieee80211_suspend(wiphy_priv(wiphy));
1142 }
1143
1144 static int ieee80211_resume(struct wiphy *wiphy)
1145 {
1146         return __ieee80211_resume(wiphy_priv(wiphy));
1147 }
1148 #else
1149 #define ieee80211_suspend NULL
1150 #define ieee80211_resume NULL
1151 #endif
1152
1153 static int ieee80211_scan(struct wiphy *wiphy,
1154                           struct net_device *dev,
1155                           struct cfg80211_scan_request *req)
1156 {
1157         struct ieee80211_sub_if_data *sdata;
1158
1159         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1160
1161         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1162             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1163             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1164             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1165                 return -EOPNOTSUPP;
1166
1167         return ieee80211_request_scan(sdata, req);
1168 }
1169
1170 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1171                           struct cfg80211_auth_request *req)
1172 {
1173         struct ieee80211_sub_if_data *sdata;
1174
1175         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1176
1177         switch (req->auth_type) {
1178         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1179                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1180                 break;
1181         case NL80211_AUTHTYPE_SHARED_KEY:
1182                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1183                 break;
1184         case NL80211_AUTHTYPE_FT:
1185                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1186                 break;
1187         case NL80211_AUTHTYPE_NETWORK_EAP:
1188                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1189                 break;
1190         default:
1191                 return -EOPNOTSUPP;
1192         }
1193
1194         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1195         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1196         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1197
1198         /* TODO: req->chan */
1199         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1200
1201         if (req->ssid) {
1202                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1203                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1204                 sdata->u.mgd.ssid_len = req->ssid_len;
1205                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1206         }
1207
1208         kfree(sdata->u.mgd.sme_auth_ie);
1209         sdata->u.mgd.sme_auth_ie = NULL;
1210         sdata->u.mgd.sme_auth_ie_len = 0;
1211         if (req->ie) {
1212                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1213                 if (sdata->u.mgd.sme_auth_ie == NULL)
1214                         return -ENOMEM;
1215                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1216                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1217         }
1218
1219         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1220         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1221         ieee80211_sta_req_auth(sdata);
1222         return 0;
1223 }
1224
1225 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1226                            struct cfg80211_assoc_request *req)
1227 {
1228         struct ieee80211_sub_if_data *sdata;
1229         int ret;
1230
1231         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1232
1233         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1234             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1235                 return -ENOLINK; /* not authenticated */
1236
1237         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1238         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1239
1240         /* TODO: req->chan */
1241         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1242
1243         if (req->ssid) {
1244                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1245                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1246                 sdata->u.mgd.ssid_len = req->ssid_len;
1247                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1248         } else
1249                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1250
1251         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1252         if (ret)
1253                 return ret;
1254
1255         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1256         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1257         ieee80211_sta_req_auth(sdata);
1258         return 0;
1259 }
1260
1261 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1262                             struct cfg80211_deauth_request *req)
1263 {
1264         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1265
1266         /* TODO: req->ie, req->peer_addr */
1267         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1268 }
1269
1270 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1271                               struct cfg80211_disassoc_request *req)
1272 {
1273         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1274
1275         /* TODO: req->ie, req->peer_addr */
1276         return ieee80211_sta_disassociate(sdata, req->reason_code);
1277 }
1278
1279 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1280                                struct cfg80211_ibss_params *params)
1281 {
1282         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1283
1284         return ieee80211_ibss_join(sdata, params);
1285 }
1286
1287 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1288 {
1289         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1290
1291         return ieee80211_ibss_leave(sdata);
1292 }
1293
1294 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1295 {
1296         struct ieee80211_local *local = wiphy_priv(wiphy);
1297
1298         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1299                 int err;
1300
1301                 if (local->ops->set_rts_threshold) {
1302                         err = local->ops->set_rts_threshold(
1303                                 local_to_hw(local), wiphy->rts_threshold);
1304                         if (err)
1305                                 return err;
1306                 }
1307         }
1308
1309         if (changed & WIPHY_PARAM_RETRY_SHORT)
1310                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1311         if (changed & WIPHY_PARAM_RETRY_LONG)
1312                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1313         if (changed &
1314             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1315                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1316
1317         return 0;
1318 }
1319
1320 struct cfg80211_ops mac80211_config_ops = {
1321         .add_virtual_intf = ieee80211_add_iface,
1322         .del_virtual_intf = ieee80211_del_iface,
1323         .change_virtual_intf = ieee80211_change_iface,
1324         .add_key = ieee80211_add_key,
1325         .del_key = ieee80211_del_key,
1326         .get_key = ieee80211_get_key,
1327         .set_default_key = ieee80211_config_default_key,
1328         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1329         .add_beacon = ieee80211_add_beacon,
1330         .set_beacon = ieee80211_set_beacon,
1331         .del_beacon = ieee80211_del_beacon,
1332         .add_station = ieee80211_add_station,
1333         .del_station = ieee80211_del_station,
1334         .change_station = ieee80211_change_station,
1335         .get_station = ieee80211_get_station,
1336         .dump_station = ieee80211_dump_station,
1337 #ifdef CONFIG_MAC80211_MESH
1338         .add_mpath = ieee80211_add_mpath,
1339         .del_mpath = ieee80211_del_mpath,
1340         .change_mpath = ieee80211_change_mpath,
1341         .get_mpath = ieee80211_get_mpath,
1342         .dump_mpath = ieee80211_dump_mpath,
1343         .set_mesh_params = ieee80211_set_mesh_params,
1344         .get_mesh_params = ieee80211_get_mesh_params,
1345 #endif
1346         .change_bss = ieee80211_change_bss,
1347         .set_txq_params = ieee80211_set_txq_params,
1348         .set_channel = ieee80211_set_channel,
1349         .suspend = ieee80211_suspend,
1350         .resume = ieee80211_resume,
1351         .scan = ieee80211_scan,
1352         .auth = ieee80211_auth,
1353         .assoc = ieee80211_assoc,
1354         .deauth = ieee80211_deauth,
1355         .disassoc = ieee80211_disassoc,
1356         .join_ibss = ieee80211_join_ibss,
1357         .leave_ibss = ieee80211_leave_ibss,
1358         .set_wiphy_params = ieee80211_set_wiphy_params,
1359 };