net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <net/net_namespace.h>
  13 #include <linux/rcupdate.h>
  14 #include <net/cfg80211.h>
  15 #include "ieee80211_i.h"
  16 #include "driver-ops.h"
  17 #include "cfg.h"
  18 #include "rate.h"
  19 #include "mesh.h"
  20
  21 static bool nl80211_type_check(enum nl80211_iftype type)
  22 {
  23         switch (type) {
  24         case NL80211_IFTYPE_ADHOC:
  25         case NL80211_IFTYPE_STATION:
  26         case NL80211_IFTYPE_MONITOR:
  27 #ifdef CONFIG_MAC80211_MESH
  28         case NL80211_IFTYPE_MESH_POINT:
  29 #endif
  30         case NL80211_IFTYPE_AP:
  31         case NL80211_IFTYPE_AP_VLAN:
  32         case NL80211_IFTYPE_WDS:
  33                 return true;
  34         default:
  35                 return false;
  36         }
  37 }
  38
  39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  40                                enum nl80211_iftype type, u32 *flags,
  41                                struct vif_params *params)
  42 {
  43         struct ieee80211_local *local = wiphy_priv(wiphy);
  44         struct net_device *dev;
  45         struct ieee80211_sub_if_data *sdata;
  46         int err;
  47
  48         if (!nl80211_type_check(type))
  49                 return -EINVAL;
  50
  51         err = ieee80211_if_add(local, name, &dev, type, params);
  52         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  53                 return err;
  54
  55         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  56         sdata->u.mntr_flags = *flags;
  57         return 0;
  58 }
  59
  60 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  61 {
  62         struct net_device *dev;
  63         struct ieee80211_sub_if_data *sdata;
  64
  65         /* we're under RTNL */
  66         dev = __dev_get_by_index(&init_net, ifindex);
  67         if (!dev)
  68                 return -ENODEV;
  69
  70         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  71
  72         ieee80211_if_remove(sdata);
  73
  74         return 0;
  75 }
  76
  77 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  78                                   enum nl80211_iftype type, u32 *flags,
  79                                   struct vif_params *params)
  80 {
  81         struct net_device *dev;
  82         struct ieee80211_sub_if_data *sdata;
  83         int ret;
  84
  85         /* we're under RTNL */
  86         dev = __dev_get_by_index(&init_net, ifindex);
  87         if (!dev)
  88                 return -ENODEV;
  89
  90         if (!nl80211_type_check(type))
  91                 return -EINVAL;
  92
  93         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  94
  95         ret = ieee80211_if_change_type(sdata, type);
  96         if (ret)
  97                 return ret;
  98
  99         if (netif_running(sdata->dev))
 100                 return -EBUSY;
 101
 102         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 103                 ieee80211_sdata_set_mesh_id(sdata,
 104                                             params->mesh_id_len,
 105                                             params->mesh_id);
 106
 107         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 108                 return 0;
 109
 110         sdata->u.mntr_flags = *flags;
 111         return 0;
 112 }
 113
 114 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 115                              u8 key_idx, u8 *mac_addr,
 116                              struct key_params *params)
 117 {
 118         struct ieee80211_sub_if_data *sdata;
 119         struct sta_info *sta = NULL;
 120         enum ieee80211_key_alg alg;
 121         struct ieee80211_key *key;
 122         int err;
 123
 124         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 125
 126         switch (params->cipher) {
 127         case WLAN_CIPHER_SUITE_WEP40:
 128         case WLAN_CIPHER_SUITE_WEP104:
 129                 alg = ALG_WEP;
 130                 break;
 131         case WLAN_CIPHER_SUITE_TKIP:
 132                 alg = ALG_TKIP;
 133                 break;
 134         case WLAN_CIPHER_SUITE_CCMP:
 135                 alg = ALG_CCMP;
 136                 break;
 137         case WLAN_CIPHER_SUITE_AES_CMAC:
 138                 alg = ALG_AES_CMAC;
 139                 break;
 140         default:
 141                 return -EINVAL;
 142         }
 143
 144         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
 145         if (!key)
 146                 return -ENOMEM;
 147
 148         rcu_read_lock();
 149
 150         if (mac_addr) {
 151                 sta = sta_info_get(sdata->local, mac_addr);
 152                 if (!sta) {
 153                         ieee80211_key_free(key);
 154                         err = -ENOENT;
 155                         goto out_unlock;
 156                 }
 157         }
 158
 159         ieee80211_key_link(key, sdata, sta);
 160
 161         err = 0;
 162  out_unlock:
 163         rcu_read_unlock();
 164
 165         return err;
 166 }
 167
 168 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 169                              u8 key_idx, u8 *mac_addr)
 170 {
 171         struct ieee80211_sub_if_data *sdata;
 172         struct sta_info *sta;
 173         int ret;
 174
 175         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 176
 177         rcu_read_lock();
 178
 179         if (mac_addr) {
 180                 ret = -ENOENT;
 181
 182                 sta = sta_info_get(sdata->local, mac_addr);
 183                 if (!sta)
 184                         goto out_unlock;
 185
 186                 if (sta->key) {
 187                         ieee80211_key_free(sta->key);
 188                         WARN_ON(sta->key);
 189                         ret = 0;
 190                 }
 191
 192                 goto out_unlock;
 193         }
 194
 195         if (!sdata->keys[key_idx]) {
 196                 ret = -ENOENT;
 197                 goto out_unlock;
 198         }
 199
 200         ieee80211_key_free(sdata->keys[key_idx]);
 201         WARN_ON(sdata->keys[key_idx]);
 202
 203         ret = 0;
 204  out_unlock:
 205         rcu_read_unlock();
 206
 207         return ret;
 208 }
 209
 210 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 211                              u8 key_idx, u8 *mac_addr, void *cookie,
 212                              void (*callback)(void *cookie,
 213                                               struct key_params *params))
 214 {
 215         struct ieee80211_sub_if_data *sdata;
 216         struct sta_info *sta = NULL;
 217         u8 seq[6] = {0};
 218         struct key_params params;
 219         struct ieee80211_key *key;
 220         u32 iv32;
 221         u16 iv16;
 222         int err = -ENOENT;
 223
 224         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 225
 226         rcu_read_lock();
 227
 228         if (mac_addr) {
 229                 sta = sta_info_get(sdata->local, mac_addr);
 230                 if (!sta)
 231                         goto out;
 232
 233                 key = sta->key;
 234         } else
 235                 key = sdata->keys[key_idx];
 236
 237         if (!key)
 238                 goto out;
 239
 240         memset(&params, 0, sizeof(params));
 241
 242         switch (key->conf.alg) {
 243         case ALG_TKIP:
 244                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 245
 246                 iv32 = key->u.tkip.tx.iv32;
 247                 iv16 = key->u.tkip.tx.iv16;
 248
 249                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 250                         drv_get_tkip_seq(sdata->local,
 251                                          key->conf.hw_key_idx,
 252                                          &iv32, &iv16);
 253
 254                 seq[0] = iv16 & 0xff;
 255                 seq[1] = (iv16 >> 8) & 0xff;
 256                 seq[2] = iv32 & 0xff;
 257                 seq[3] = (iv32 >> 8) & 0xff;
 258                 seq[4] = (iv32 >> 16) & 0xff;
 259                 seq[5] = (iv32 >> 24) & 0xff;
 260                 params.seq = seq;
 261                 params.seq_len = 6;
 262                 break;
 263         case ALG_CCMP:
 264                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 265                 seq[0] = key->u.ccmp.tx_pn[5];
 266                 seq[1] = key->u.ccmp.tx_pn[4];
 267                 seq[2] = key->u.ccmp.tx_pn[3];
 268                 seq[3] = key->u.ccmp.tx_pn[2];
 269                 seq[4] = key->u.ccmp.tx_pn[1];
 270                 seq[5] = key->u.ccmp.tx_pn[0];
 271                 params.seq = seq;
 272                 params.seq_len = 6;
 273                 break;
 274         case ALG_WEP:
 275                 if (key->conf.keylen == 5)
 276                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 277                 else
 278                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 279                 break;
 280         case ALG_AES_CMAC:
 281                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 282                 seq[0] = key->u.aes_cmac.tx_pn[5];
 283                 seq[1] = key->u.aes_cmac.tx_pn[4];
 284                 seq[2] = key->u.aes_cmac.tx_pn[3];
 285                 seq[3] = key->u.aes_cmac.tx_pn[2];
 286                 seq[4] = key->u.aes_cmac.tx_pn[1];
 287                 seq[5] = key->u.aes_cmac.tx_pn[0];
 288                 params.seq = seq;
 289                 params.seq_len = 6;
 290                 break;
 291         }
 292
 293         params.key = key->conf.key;
 294         params.key_len = key->conf.keylen;
 295
 296         callback(cookie, &params);
 297         err = 0;
 298
 299  out:
 300         rcu_read_unlock();
 301         return err;
 302 }
 303
 304 static int ieee80211_config_default_key(struct wiphy *wiphy,
 305                                         struct net_device *dev,
 306                                         u8 key_idx)
 307 {
 308         struct ieee80211_sub_if_data *sdata;
 309
 310         rcu_read_lock();
 311
 312         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 313         ieee80211_set_default_key(sdata, key_idx);
 314
 315         rcu_read_unlock();
 316
 317         return 0;
 318 }
 319
 320 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 321                                              struct net_device *dev,
 322                                              u8 key_idx)
 323 {
 324         struct ieee80211_sub_if_data *sdata;
 325
 326         rcu_read_lock();
 327
 328         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 329         ieee80211_set_default_mgmt_key(sdata, key_idx);
 330
 331         rcu_read_unlock();
 332
 333         return 0;
 334 }
 335
 336 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 337 {
 338         struct ieee80211_sub_if_data *sdata = sta->sdata;
 339
 340         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 341                         STATION_INFO_RX_BYTES |
 342                         STATION_INFO_TX_BYTES |
 343                         STATION_INFO_RX_PACKETS |
 344                         STATION_INFO_TX_PACKETS |
 345                         STATION_INFO_TX_BITRATE;
 346
 347         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 348         sinfo->rx_bytes = sta->rx_bytes;
 349         sinfo->tx_bytes = sta->tx_bytes;
 350         sinfo->rx_packets = sta->rx_packets;
 351         sinfo->tx_packets = sta->tx_packets;
 352
 353         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 354                 sinfo->filled |= STATION_INFO_SIGNAL;
 355                 sinfo->signal = (s8)sta->last_signal;
 356         }
 357
 358         sinfo->txrate.flags = 0;
 359         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 360                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 361         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 362                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 363         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 364                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 365
 366         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 367                 struct ieee80211_supported_band *sband;
 368                 sband = sta->local->hw.wiphy->bands[
 369                                 sta->local->hw.conf.channel->band];
 370                 sinfo->txrate.legacy =
 371                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 372         } else
 373                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 374
 375         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 376 #ifdef CONFIG_MAC80211_MESH
 377                 sinfo->filled |= STATION_INFO_LLID |
 378                                  STATION_INFO_PLID |
 379                                  STATION_INFO_PLINK_STATE;
 380
 381                 sinfo->llid = le16_to_cpu(sta->llid);
 382                 sinfo->plid = le16_to_cpu(sta->plid);
 383                 sinfo->plink_state = sta->plink_state;
 384 #endif
 385         }
 386 }
 387
 388
 389 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 390                                  int idx, u8 *mac, struct station_info *sinfo)
 391 {
 392         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 393         struct sta_info *sta;
 394         int ret = -ENOENT;
 395
 396         rcu_read_lock();
 397
 398         sta = sta_info_get_by_idx(local, idx, dev);
 399         if (sta) {
 400                 ret = 0;
 401                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 402                 sta_set_sinfo(sta, sinfo);
 403         }
 404
 405         rcu_read_unlock();
 406
 407         return ret;
 408 }
 409
 410 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 411                                  u8 *mac, struct station_info *sinfo)
 412 {
 413         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 414         struct sta_info *sta;
 415         int ret = -ENOENT;
 416
 417         rcu_read_lock();
 418
 419         /* XXX: verify sta->dev == dev */
 420
 421         sta = sta_info_get(local, mac);
 422         if (sta) {
 423                 ret = 0;
 424                 sta_set_sinfo(sta, sinfo);
 425         }
 426
 427         rcu_read_unlock();
 428
 429         return ret;
 430 }
 431
 432 /*
 433  * This handles both adding a beacon and setting new beacon info
 434  */
 435 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 436                                    struct beacon_parameters *params)
 437 {
 438         struct beacon_data *new, *old;
 439         int new_head_len, new_tail_len;
 440         int size;
 441         int err = -EINVAL;
 442
 443         old = sdata->u.ap.beacon;
 444
 445         /* head must not be zero-length */
 446         if (params->head && !params->head_len)
 447                 return -EINVAL;
 448
 449         /*
 450          * This is a kludge. beacon interval should really be part
 451          * of the beacon information.
 452          */
 453         if (params->interval &&
 454             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 455                 sdata->vif.bss_conf.beacon_int = params->interval;
 456                 ieee80211_bss_info_change_notify(sdata,
 457                                                  BSS_CHANGED_BEACON_INT);
 458         }
 459
 460         /* Need to have a beacon head if we don't have one yet */
 461         if (!params->head && !old)
 462                 return err;
 463
 464         /* sorry, no way to start beaconing without dtim period */
 465         if (!params->dtim_period && !old)
 466                 return err;
 467
 468         /* new or old head? */
 469         if (params->head)
 470                 new_head_len = params->head_len;
 471         else
 472                 new_head_len = old->head_len;
 473
 474         /* new or old tail? */
 475         if (params->tail || !old)
 476                 /* params->tail_len will be zero for !params->tail */
 477                 new_tail_len = params->tail_len;
 478         else
 479                 new_tail_len = old->tail_len;
 480
 481         size = sizeof(*new) + new_head_len + new_tail_len;
 482
 483         new = kzalloc(size, GFP_KERNEL);
 484         if (!new)
 485                 return -ENOMEM;
 486
 487         /* start filling the new info now */
 488
 489         /* new or old dtim period? */
 490         if (params->dtim_period)
 491                 new->dtim_period = params->dtim_period;
 492         else
 493                 new->dtim_period = old->dtim_period;
 494
 495         /*
 496          * pointers go into the block we allocated,
 497          * memory is | beacon_data | head | tail |
 498          */
 499         new->head = ((u8 *) new) + sizeof(*new);
 500         new->tail = new->head + new_head_len;
 501         new->head_len = new_head_len;
 502         new->tail_len = new_tail_len;
 503
 504         /* copy in head */
 505         if (params->head)
 506                 memcpy(new->head, params->head, new_head_len);
 507         else
 508                 memcpy(new->head, old->head, new_head_len);
 509
 510         /* copy in optional tail */
 511         if (params->tail)
 512                 memcpy(new->tail, params->tail, new_tail_len);
 513         else
 514                 if (old)
 515                         memcpy(new->tail, old->tail, new_tail_len);
 516
 517         rcu_assign_pointer(sdata->u.ap.beacon, new);
 518
 519         synchronize_rcu();
 520
 521         kfree(old);
 522
 523         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 524                                                 BSS_CHANGED_BEACON);
 525         return 0;
 526 }
 527
 528 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 529                                 struct beacon_parameters *params)
 530 {
 531         struct ieee80211_sub_if_data *sdata;
 532         struct beacon_data *old;
 533
 534         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 535
 536         old = sdata->u.ap.beacon;
 537
 538         if (old)
 539                 return -EALREADY;
 540
 541         return ieee80211_config_beacon(sdata, params);
 542 }
 543
 544 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 545                                 struct beacon_parameters *params)
 546 {
 547         struct ieee80211_sub_if_data *sdata;
 548         struct beacon_data *old;
 549
 550         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 551
 552         old = sdata->u.ap.beacon;
 553
 554         if (!old)
 555                 return -ENOENT;
 556
 557         return ieee80211_config_beacon(sdata, params);
 558 }
 559
 560 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 561 {
 562         struct ieee80211_sub_if_data *sdata;
 563         struct beacon_data *old;
 564
 565         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 566
 567         old = sdata->u.ap.beacon;
 568
 569         if (!old)
 570                 return -ENOENT;
 571
 572         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 573         synchronize_rcu();
 574         kfree(old);
 575
 576         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 577         return 0;
 578 }
 579
 580 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 581 struct iapp_layer2_update {
 582         u8 da[ETH_ALEN];        /* broadcast */
 583         u8 sa[ETH_ALEN];        /* STA addr */
 584         __be16 len;             /* 6 */
 585         u8 dsap;                /* 0 */
 586         u8 ssap;                /* 0 */
 587         u8 control;
 588         u8 xid_info[3];
 589 } __attribute__ ((packed));
 590
 591 static void ieee80211_send_layer2_update(struct sta_info *sta)
 592 {
 593         struct iapp_layer2_update *msg;
 594         struct sk_buff *skb;
 595
 596         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 597          * bridge devices */
 598
 599         skb = dev_alloc_skb(sizeof(*msg));
 600         if (!skb)
 601                 return;
 602         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 603
 604         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 605          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 606
 607         memset(msg->da, 0xff, ETH_ALEN);
 608         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 609         msg->len = htons(6);
 610         msg->dsap = 0;
 611         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 612         msg->control = 0xaf;    /* XID response lsb.1111F101.
 613                                  * F=0 (no poll command; unsolicited frame) */
 614         msg->xid_info[0] = 0x81;        /* XID format identifier */
 615         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 616         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 617
 618         skb->dev = sta->sdata->dev;
 619         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 620         memset(skb->cb, 0, sizeof(skb->cb));
 621         netif_rx(skb);
 622 }
 623
 624 static void sta_apply_parameters(struct ieee80211_local *local,
 625                                  struct sta_info *sta,
 626                                  struct station_parameters *params)
 627 {
 628         u32 rates;
 629         int i, j;
 630         struct ieee80211_supported_band *sband;
 631         struct ieee80211_sub_if_data *sdata = sta->sdata;
 632
 633         sband = local->hw.wiphy->bands[local->oper_channel->band];
 634
 635         /*
 636          * FIXME: updating the flags is racy when this function is
 637          *        called from ieee80211_change_station(), this will
 638          *        be resolved in a future patch.
 639          */
 640
 641         if (params->station_flags & STATION_FLAG_CHANGED) {
 642                 spin_lock_bh(&sta->lock);
 643                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 644                 if (params->station_flags & STATION_FLAG_AUTHORIZED)
 645                         sta->flags |= WLAN_STA_AUTHORIZED;
 646
 647                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 648                 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
 649                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 650
 651                 sta->flags &= ~WLAN_STA_WME;
 652                 if (params->station_flags & STATION_FLAG_WME)
 653                         sta->flags |= WLAN_STA_WME;
 654
 655                 sta->flags &= ~WLAN_STA_MFP;
 656                 if (params->station_flags & STATION_FLAG_MFP)
 657                         sta->flags |= WLAN_STA_MFP;
 658                 spin_unlock_bh(&sta->lock);
 659         }
 660
 661         /*
 662          * FIXME: updating the following information is racy when this
 663          *        function is called from ieee80211_change_station().
 664          *        However, all this information should be static so
 665          *        maybe we should just reject attemps to change it.
 666          */
 667
 668         if (params->aid) {
 669                 sta->sta.aid = params->aid;
 670                 if (sta->sta.aid > IEEE80211_MAX_AID)
 671                         sta->sta.aid = 0; /* XXX: should this be an error? */
 672         }
 673
 674         if (params->listen_interval >= 0)
 675                 sta->listen_interval = params->listen_interval;
 676
 677         if (params->supported_rates) {
 678                 rates = 0;
 679
 680                 for (i = 0; i < params->supported_rates_len; i++) {
 681                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 682                         for (j = 0; j < sband->n_bitrates; j++) {
 683                                 if (sband->bitrates[j].bitrate == rate)
 684                                         rates |= BIT(j);
 685                         }
 686                 }
 687                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 688         }
 689
 690         if (params->ht_capa)
 691                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 692                                                   params->ht_capa,
 693                                                   &sta->sta.ht_cap);
 694
 695         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 696                 switch (params->plink_action) {
 697                 case PLINK_ACTION_OPEN:
 698                         mesh_plink_open(sta);
 699                         break;
 700                 case PLINK_ACTION_BLOCK:
 701                         mesh_plink_block(sta);
 702                         break;
 703                 }
 704         }
 705 }
 706
 707 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 708                                  u8 *mac, struct station_parameters *params)
 709 {
 710         struct ieee80211_local *local = wiphy_priv(wiphy);
 711         struct sta_info *sta;
 712         struct ieee80211_sub_if_data *sdata;
 713         int err;
 714         int layer2_update;
 715
 716         if (params->vlan) {
 717                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 718
 719                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 720                     sdata->vif.type != NL80211_IFTYPE_AP)
 721                         return -EINVAL;
 722         } else
 723                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 724
 725         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 726                 return -EINVAL;
 727
 728         if (is_multicast_ether_addr(mac))
 729                 return -EINVAL;
 730
 731         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 732         if (!sta)
 733                 return -ENOMEM;
 734
 735         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 736
 737         sta_apply_parameters(local, sta, params);
 738
 739         rate_control_rate_init(sta);
 740
 741         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 742                 sdata->vif.type == NL80211_IFTYPE_AP;
 743
 744         rcu_read_lock();
 745
 746         err = sta_info_insert(sta);
 747         if (err) {
 748                 /* STA has been freed */
 749                 if (err == -EEXIST && layer2_update) {
 750                         /* Need to update layer 2 devices on reassociation */
 751                         sta = sta_info_get(local, mac);
 752                         if (sta)
 753                                 ieee80211_send_layer2_update(sta);
 754                 }
 755                 rcu_read_unlock();
 756                 return err;
 757         }
 758
 759         if (layer2_update)
 760                 ieee80211_send_layer2_update(sta);
 761
 762         rcu_read_unlock();
 763
 764         return 0;
 765 }
 766
 767 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 768                                  u8 *mac)
 769 {
 770         struct ieee80211_local *local = wiphy_priv(wiphy);
 771         struct ieee80211_sub_if_data *sdata;
 772         struct sta_info *sta;
 773
 774         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 775
 776         if (mac) {
 777                 rcu_read_lock();
 778
 779                 /* XXX: get sta belonging to dev */
 780                 sta = sta_info_get(local, mac);
 781                 if (!sta) {
 782                         rcu_read_unlock();
 783                         return -ENOENT;
 784                 }
 785
 786                 sta_info_unlink(&sta);
 787                 rcu_read_unlock();
 788
 789                 sta_info_destroy(sta);
 790         } else
 791                 sta_info_flush(local, sdata);
 792
 793         return 0;
 794 }
 795
 796 static int ieee80211_change_station(struct wiphy *wiphy,
 797                                     struct net_device *dev,
 798                                     u8 *mac,
 799                                     struct station_parameters *params)
 800 {
 801         struct ieee80211_local *local = wiphy_priv(wiphy);
 802         struct sta_info *sta;
 803         struct ieee80211_sub_if_data *vlansdata;
 804
 805         rcu_read_lock();
 806
 807         /* XXX: get sta belonging to dev */
 808         sta = sta_info_get(local, mac);
 809         if (!sta) {
 810                 rcu_read_unlock();
 811                 return -ENOENT;
 812         }
 813
 814         if (params->vlan && params->vlan != sta->sdata->dev) {
 815                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 816
 817                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 818                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 819                         rcu_read_unlock();
 820                         return -EINVAL;
 821                 }
 822
 823                 sta->sdata = vlansdata;
 824                 ieee80211_send_layer2_update(sta);
 825         }
 826
 827         sta_apply_parameters(local, sta, params);
 828
 829         rcu_read_unlock();
 830
 831         return 0;
 832 }
 833
 834 #ifdef CONFIG_MAC80211_MESH
 835 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 836                                  u8 *dst, u8 *next_hop)
 837 {
 838         struct ieee80211_local *local = wiphy_priv(wiphy);
 839         struct ieee80211_sub_if_data *sdata;
 840         struct mesh_path *mpath;
 841         struct sta_info *sta;
 842         int err;
 843
 844         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 845
 846         rcu_read_lock();
 847         sta = sta_info_get(local, next_hop);
 848         if (!sta) {
 849                 rcu_read_unlock();
 850                 return -ENOENT;
 851         }
 852
 853         err = mesh_path_add(dst, sdata);
 854         if (err) {
 855                 rcu_read_unlock();
 856                 return err;
 857         }
 858
 859         mpath = mesh_path_lookup(dst, sdata);
 860         if (!mpath) {
 861                 rcu_read_unlock();
 862                 return -ENXIO;
 863         }
 864         mesh_path_fix_nexthop(mpath, sta);
 865
 866         rcu_read_unlock();
 867         return 0;
 868 }
 869
 870 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 871                                  u8 *dst)
 872 {
 873         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 874
 875         if (dst)
 876                 return mesh_path_del(dst, sdata);
 877
 878         mesh_path_flush(sdata);
 879         return 0;
 880 }
 881
 882 static int ieee80211_change_mpath(struct wiphy *wiphy,
 883                                     struct net_device *dev,
 884                                     u8 *dst, u8 *next_hop)
 885 {
 886         struct ieee80211_local *local = wiphy_priv(wiphy);
 887         struct ieee80211_sub_if_data *sdata;
 888         struct mesh_path *mpath;
 889         struct sta_info *sta;
 890
 891         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 892
 893         rcu_read_lock();
 894
 895         sta = sta_info_get(local, next_hop);
 896         if (!sta) {
 897                 rcu_read_unlock();
 898                 return -ENOENT;
 899         }
 900
 901         mpath = mesh_path_lookup(dst, sdata);
 902         if (!mpath) {
 903                 rcu_read_unlock();
 904                 return -ENOENT;
 905         }
 906
 907         mesh_path_fix_nexthop(mpath, sta);
 908
 909         rcu_read_unlock();
 910         return 0;
 911 }
 912
 913 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 914                             struct mpath_info *pinfo)
 915 {
 916         if (mpath->next_hop)
 917                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 918         else
 919                 memset(next_hop, 0, ETH_ALEN);
 920
 921         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 922                         MPATH_INFO_DSN |
 923                         MPATH_INFO_METRIC |
 924                         MPATH_INFO_EXPTIME |
 925                         MPATH_INFO_DISCOVERY_TIMEOUT |
 926                         MPATH_INFO_DISCOVERY_RETRIES |
 927                         MPATH_INFO_FLAGS;
 928
 929         pinfo->frame_qlen = mpath->frame_queue.qlen;
 930         pinfo->dsn = mpath->dsn;
 931         pinfo->metric = mpath->metric;
 932         if (time_before(jiffies, mpath->exp_time))
 933                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 934         pinfo->discovery_timeout =
 935                         jiffies_to_msecs(mpath->discovery_timeout);
 936         pinfo->discovery_retries = mpath->discovery_retries;
 937         pinfo->flags = 0;
 938         if (mpath->flags & MESH_PATH_ACTIVE)
 939                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 940         if (mpath->flags & MESH_PATH_RESOLVING)
 941                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 942         if (mpath->flags & MESH_PATH_DSN_VALID)
 943                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 944         if (mpath->flags & MESH_PATH_FIXED)
 945                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 946         if (mpath->flags & MESH_PATH_RESOLVING)
 947                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 948
 949         pinfo->flags = mpath->flags;
 950 }
 951
 952 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 953                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 954
 955 {
 956         struct ieee80211_sub_if_data *sdata;
 957         struct mesh_path *mpath;
 958
 959         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 960
 961         rcu_read_lock();
 962         mpath = mesh_path_lookup(dst, sdata);
 963         if (!mpath) {
 964                 rcu_read_unlock();
 965                 return -ENOENT;
 966         }
 967         memcpy(dst, mpath->dst, ETH_ALEN);
 968         mpath_set_pinfo(mpath, next_hop, pinfo);
 969         rcu_read_unlock();
 970         return 0;
 971 }
 972
 973 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 974                                  int idx, u8 *dst, u8 *next_hop,
 975                                  struct mpath_info *pinfo)
 976 {
 977         struct ieee80211_sub_if_data *sdata;
 978         struct mesh_path *mpath;
 979
 980         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 981
 982         rcu_read_lock();
 983         mpath = mesh_path_lookup_by_idx(idx, sdata);
 984         if (!mpath) {
 985                 rcu_read_unlock();
 986                 return -ENOENT;
 987         }
 988         memcpy(dst, mpath->dst, ETH_ALEN);
 989         mpath_set_pinfo(mpath, next_hop, pinfo);
 990         rcu_read_unlock();
 991         return 0;
 992 }
 993
 994 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
 995                                 struct net_device *dev,
 996                                 struct mesh_config *conf)
 997 {
 998         struct ieee80211_sub_if_data *sdata;
 999         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1000
1001         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1002         return 0;
1003 }
1004
1005 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1006 {
1007         return (mask >> (parm-1)) & 0x1;
1008 }
1009
1010 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1011                                 struct net_device *dev,
1012                                 const struct mesh_config *nconf, u32 mask)
1013 {
1014         struct mesh_config *conf;
1015         struct ieee80211_sub_if_data *sdata;
1016         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1017
1018         /* Set the config options which we are interested in setting */
1019         conf = &(sdata->u.mesh.mshcfg);
1020         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1021                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1022         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1023                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1024         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1025                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1026         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1027                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1028         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1029                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1030         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1031                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1032         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1033                 conf->auto_open_plinks = nconf->auto_open_plinks;
1034         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1035                 conf->dot11MeshHWMPmaxPREQretries =
1036                         nconf->dot11MeshHWMPmaxPREQretries;
1037         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1038                 conf->path_refresh_time = nconf->path_refresh_time;
1039         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1040                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1042                 conf->dot11MeshHWMPactivePathTimeout =
1043                         nconf->dot11MeshHWMPactivePathTimeout;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1045                 conf->dot11MeshHWMPpreqMinInterval =
1046                         nconf->dot11MeshHWMPpreqMinInterval;
1047         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1048                            mask))
1049                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1050                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1051         return 0;
1052 }
1053
1054 #endif
1055
1056 static int ieee80211_change_bss(struct wiphy *wiphy,
1057                                 struct net_device *dev,
1058                                 struct bss_parameters *params)
1059 {
1060         struct ieee80211_sub_if_data *sdata;
1061         u32 changed = 0;
1062
1063         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1064
1065         if (params->use_cts_prot >= 0) {
1066                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1067                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1068         }
1069         if (params->use_short_preamble >= 0) {
1070                 sdata->vif.bss_conf.use_short_preamble =
1071                         params->use_short_preamble;
1072                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1073         }
1074         if (params->use_short_slot_time >= 0) {
1075                 sdata->vif.bss_conf.use_short_slot =
1076                         params->use_short_slot_time;
1077                 changed |= BSS_CHANGED_ERP_SLOT;
1078         }
1079
1080         if (params->basic_rates) {
1081                 int i, j;
1082                 u32 rates = 0;
1083                 struct ieee80211_local *local = wiphy_priv(wiphy);
1084                 struct ieee80211_supported_band *sband =
1085                         wiphy->bands[local->oper_channel->band];
1086
1087                 for (i = 0; i < params->basic_rates_len; i++) {
1088                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1089                         for (j = 0; j < sband->n_bitrates; j++) {
1090                                 if (sband->bitrates[j].bitrate == rate)
1091                                         rates |= BIT(j);
1092                         }
1093                 }
1094                 sdata->vif.bss_conf.basic_rates = rates;
1095                 changed |= BSS_CHANGED_BASIC_RATES;
1096         }
1097
1098         ieee80211_bss_info_change_notify(sdata, changed);
1099
1100         return 0;
1101 }
1102
1103 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1104                                     struct ieee80211_txq_params *params)
1105 {
1106         struct ieee80211_local *local = wiphy_priv(wiphy);
1107         struct ieee80211_tx_queue_params p;
1108
1109         if (!local->ops->conf_tx)
1110                 return -EOPNOTSUPP;
1111
1112         memset(&p, 0, sizeof(p));
1113         p.aifs = params->aifs;
1114         p.cw_max = params->cwmax;
1115         p.cw_min = params->cwmin;
1116         p.txop = params->txop;
1117         if (drv_conf_tx(local, params->queue, &p)) {
1118                 printk(KERN_DEBUG "%s: failed to set TX queue "
1119                        "parameters for queue %d\n", local->mdev->name,
1120                        params->queue);
1121                 return -EINVAL;
1122         }
1123
1124         return 0;
1125 }
1126
1127 static int ieee80211_set_channel(struct wiphy *wiphy,
1128                                  struct ieee80211_channel *chan,
1129                                  enum nl80211_channel_type channel_type)
1130 {
1131         struct ieee80211_local *local = wiphy_priv(wiphy);
1132
1133         local->oper_channel = chan;
1134         local->oper_channel_type = channel_type;
1135
1136         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1137 }
1138
1139 #ifdef CONFIG_PM
1140 static int ieee80211_suspend(struct wiphy *wiphy)
1141 {
1142         return __ieee80211_suspend(wiphy_priv(wiphy));
1143 }
1144
1145 static int ieee80211_resume(struct wiphy *wiphy)
1146 {
1147         return __ieee80211_resume(wiphy_priv(wiphy));
1148 }
1149 #else
1150 #define ieee80211_suspend NULL
1151 #define ieee80211_resume NULL
1152 #endif
1153
1154 static int ieee80211_scan(struct wiphy *wiphy,
1155                           struct net_device *dev,
1156                           struct cfg80211_scan_request *req)
1157 {
1158         struct ieee80211_sub_if_data *sdata;
1159
1160         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1161
1162         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1163             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1164             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1165             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1166                 return -EOPNOTSUPP;
1167
1168         return ieee80211_request_scan(sdata, req);
1169 }
1170
1171 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1172                           struct cfg80211_auth_request *req)
1173 {
1174         struct ieee80211_sub_if_data *sdata;
1175
1176         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
1178         switch (req->auth_type) {
1179         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1180                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1181                 break;
1182         case NL80211_AUTHTYPE_SHARED_KEY:
1183                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1184                 break;
1185         case NL80211_AUTHTYPE_FT:
1186                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1187                 break;
1188         case NL80211_AUTHTYPE_NETWORK_EAP:
1189                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1190                 break;
1191         default:
1192                 return -EOPNOTSUPP;
1193         }
1194
1195         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1196         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1197         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1198
1199         /* TODO: req->chan */
1200         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1201
1202         if (req->ssid) {
1203                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1204                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1205                 sdata->u.mgd.ssid_len = req->ssid_len;
1206                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1207         }
1208
1209         kfree(sdata->u.mgd.sme_auth_ie);
1210         sdata->u.mgd.sme_auth_ie = NULL;
1211         sdata->u.mgd.sme_auth_ie_len = 0;
1212         if (req->ie) {
1213                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1214                 if (sdata->u.mgd.sme_auth_ie == NULL)
1215                         return -ENOMEM;
1216                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1217                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1218         }
1219
1220         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1221         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1222         ieee80211_sta_req_auth(sdata);
1223         return 0;
1224 }
1225
1226 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1227                            struct cfg80211_assoc_request *req)
1228 {
1229         struct ieee80211_sub_if_data *sdata;
1230         int ret;
1231
1232         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1233
1234         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1235             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1236                 return -ENOLINK; /* not authenticated */
1237
1238         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1239         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1240
1241         /* TODO: req->chan */
1242         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1243
1244         if (req->ssid) {
1245                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1246                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1247                 sdata->u.mgd.ssid_len = req->ssid_len;
1248                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1249         } else
1250                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1251
1252         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1253         if (ret)
1254                 return ret;
1255
1256         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1257         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1258         ieee80211_sta_req_auth(sdata);
1259         return 0;
1260 }
1261
1262 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1263                             struct cfg80211_deauth_request *req)
1264 {
1265         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1266
1267         /* TODO: req->ie, req->peer_addr */
1268         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1269 }
1270
1271 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1272                               struct cfg80211_disassoc_request *req)
1273 {
1274         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1275
1276         /* TODO: req->ie, req->peer_addr */
1277         return ieee80211_sta_disassociate(sdata, req->reason_code);
1278 }
1279
1280 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1281                                struct cfg80211_ibss_params *params)
1282 {
1283         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284
1285         return ieee80211_ibss_join(sdata, params);
1286 }
1287
1288 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1289 {
1290         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1291
1292         return ieee80211_ibss_leave(sdata);
1293 }
1294
1295 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1296 {
1297         struct ieee80211_local *local = wiphy_priv(wiphy);
1298         int err;
1299
1300         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1301                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1302
1303                 if (err)
1304                         return err;
1305         }
1306
1307         if (changed & WIPHY_PARAM_RETRY_SHORT)
1308                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1309         if (changed & WIPHY_PARAM_RETRY_LONG)
1310                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1311         if (changed &
1312             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1313                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1314
1315         return 0;
1316 }
1317
1318 struct cfg80211_ops mac80211_config_ops = {
1319         .add_virtual_intf = ieee80211_add_iface,
1320         .del_virtual_intf = ieee80211_del_iface,
1321         .change_virtual_intf = ieee80211_change_iface,
1322         .add_key = ieee80211_add_key,
1323         .del_key = ieee80211_del_key,
1324         .get_key = ieee80211_get_key,
1325         .set_default_key = ieee80211_config_default_key,
1326         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1327         .add_beacon = ieee80211_add_beacon,
1328         .set_beacon = ieee80211_set_beacon,
1329         .del_beacon = ieee80211_del_beacon,
1330         .add_station = ieee80211_add_station,
1331         .del_station = ieee80211_del_station,
1332         .change_station = ieee80211_change_station,
1333         .get_station = ieee80211_get_station,
1334         .dump_station = ieee80211_dump_station,
1335 #ifdef CONFIG_MAC80211_MESH
1336         .add_mpath = ieee80211_add_mpath,
1337         .del_mpath = ieee80211_del_mpath,
1338         .change_mpath = ieee80211_change_mpath,
1339         .get_mpath = ieee80211_get_mpath,
1340         .dump_mpath = ieee80211_dump_mpath,
1341         .set_mesh_params = ieee80211_set_mesh_params,
1342         .get_mesh_params = ieee80211_get_mesh_params,
1343 #endif
1344         .change_bss = ieee80211_change_bss,
1345         .set_txq_params = ieee80211_set_txq_params,
1346         .set_channel = ieee80211_set_channel,
1347         .suspend = ieee80211_suspend,
1348         .resume = ieee80211_resume,
1349         .scan = ieee80211_scan,
1350         .auth = ieee80211_auth,
1351         .assoc = ieee80211_assoc,
1352         .deauth = ieee80211_deauth,
1353         .disassoc = ieee80211_disassoc,
1354         .join_ibss = ieee80211_join_ibss,
1355         .leave_ibss = ieee80211_leave_ibss,
1356         .set_wiphy_params = ieee80211_set_wiphy_params,
1357 };