net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <net/net_namespace.h>
  13 #include <linux/rcupdate.h>
  14 #include <net/cfg80211.h>
  15 #include "ieee80211_i.h"
  16 #include "driver-ops.h"
  17 #include "cfg.h"
  18 #include "rate.h"
  19 #include "mesh.h"
  20
  21 static bool nl80211_type_check(enum nl80211_iftype type)
  22 {
  23         switch (type) {
  24         case NL80211_IFTYPE_ADHOC:
  25         case NL80211_IFTYPE_STATION:
  26         case NL80211_IFTYPE_MONITOR:
  27 #ifdef CONFIG_MAC80211_MESH
  28         case NL80211_IFTYPE_MESH_POINT:
  29 #endif
  30         case NL80211_IFTYPE_AP:
  31         case NL80211_IFTYPE_AP_VLAN:
  32         case NL80211_IFTYPE_WDS:
  33                 return true;
  34         default:
  35                 return false;
  36         }
  37 }
  38
  39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  40                                enum nl80211_iftype type, u32 *flags,
  41                                struct vif_params *params)
  42 {
  43         struct ieee80211_local *local = wiphy_priv(wiphy);
  44         struct net_device *dev;
  45         struct ieee80211_sub_if_data *sdata;
  46         int err;
  47
  48         if (!nl80211_type_check(type))
  49                 return -EINVAL;
  50
  51         err = ieee80211_if_add(local, name, &dev, type, params);
  52         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  53                 return err;
  54
  55         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  56         sdata->u.mntr_flags = *flags;
  57         return 0;
  58 }
  59
  60 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  61 {
  62         struct net_device *dev;
  63         struct ieee80211_sub_if_data *sdata;
  64
  65         /* we're under RTNL */
  66         dev = __dev_get_by_index(&init_net, ifindex);
  67         if (!dev)
  68                 return -ENODEV;
  69
  70         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  71
  72         ieee80211_if_remove(sdata);
  73
  74         return 0;
  75 }
  76
  77 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  78                                   enum nl80211_iftype type, u32 *flags,
  79                                   struct vif_params *params)
  80 {
  81         struct net_device *dev;
  82         struct ieee80211_sub_if_data *sdata;
  83         int ret;
  84
  85         /* we're under RTNL */
  86         dev = __dev_get_by_index(&init_net, ifindex);
  87         if (!dev)
  88                 return -ENODEV;
  89
  90         if (!nl80211_type_check(type))
  91                 return -EINVAL;
  92
  93         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  94
  95         ret = ieee80211_if_change_type(sdata, type);
  96         if (ret)
  97                 return ret;
  98
  99         if (netif_running(sdata->dev))
 100                 return -EBUSY;
 101
 102         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 103                 ieee80211_sdata_set_mesh_id(sdata,
 104                                             params->mesh_id_len,
 105                                             params->mesh_id);
 106
 107         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 108                 return 0;
 109
 110         sdata->u.mntr_flags = *flags;
 111         return 0;
 112 }
 113
 114 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 115                              u8 key_idx, const u8 *mac_addr,
 116                              struct key_params *params)
 117 {
 118         struct ieee80211_sub_if_data *sdata;
 119         struct sta_info *sta = NULL;
 120         enum ieee80211_key_alg alg;
 121         struct ieee80211_key *key;
 122         int err;
 123
 124         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 125
 126         switch (params->cipher) {
 127         case WLAN_CIPHER_SUITE_WEP40:
 128         case WLAN_CIPHER_SUITE_WEP104:
 129                 alg = ALG_WEP;
 130                 break;
 131         case WLAN_CIPHER_SUITE_TKIP:
 132                 alg = ALG_TKIP;
 133                 break;
 134         case WLAN_CIPHER_SUITE_CCMP:
 135                 alg = ALG_CCMP;
 136                 break;
 137         case WLAN_CIPHER_SUITE_AES_CMAC:
 138                 alg = ALG_AES_CMAC;
 139                 break;
 140         default:
 141                 return -EINVAL;
 142         }
 143
 144         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
 145                                   params->seq_len, params->seq);
 146         if (!key)
 147                 return -ENOMEM;
 148
 149         rcu_read_lock();
 150
 151         if (mac_addr) {
 152                 sta = sta_info_get(sdata->local, mac_addr);
 153                 if (!sta) {
 154                         ieee80211_key_free(key);
 155                         err = -ENOENT;
 156                         goto out_unlock;
 157                 }
 158         }
 159
 160         ieee80211_key_link(key, sdata, sta);
 161
 162         err = 0;
 163  out_unlock:
 164         rcu_read_unlock();
 165
 166         return err;
 167 }
 168
 169 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 170                              u8 key_idx, const u8 *mac_addr)
 171 {
 172         struct ieee80211_sub_if_data *sdata;
 173         struct sta_info *sta;
 174         int ret;
 175
 176         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 177
 178         rcu_read_lock();
 179
 180         if (mac_addr) {
 181                 ret = -ENOENT;
 182
 183                 sta = sta_info_get(sdata->local, mac_addr);
 184                 if (!sta)
 185                         goto out_unlock;
 186
 187                 if (sta->key) {
 188                         ieee80211_key_free(sta->key);
 189                         WARN_ON(sta->key);
 190                         ret = 0;
 191                 }
 192
 193                 goto out_unlock;
 194         }
 195
 196         if (!sdata->keys[key_idx]) {
 197                 ret = -ENOENT;
 198                 goto out_unlock;
 199         }
 200
 201         ieee80211_key_free(sdata->keys[key_idx]);
 202         WARN_ON(sdata->keys[key_idx]);
 203
 204         ret = 0;
 205  out_unlock:
 206         rcu_read_unlock();
 207
 208         return ret;
 209 }
 210
 211 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 212                              u8 key_idx, const u8 *mac_addr, void *cookie,
 213                              void (*callback)(void *cookie,
 214                                               struct key_params *params))
 215 {
 216         struct ieee80211_sub_if_data *sdata;
 217         struct sta_info *sta = NULL;
 218         u8 seq[6] = {0};
 219         struct key_params params;
 220         struct ieee80211_key *key;
 221         u32 iv32;
 222         u16 iv16;
 223         int err = -ENOENT;
 224
 225         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 226
 227         rcu_read_lock();
 228
 229         if (mac_addr) {
 230                 sta = sta_info_get(sdata->local, mac_addr);
 231                 if (!sta)
 232                         goto out;
 233
 234                 key = sta->key;
 235         } else
 236                 key = sdata->keys[key_idx];
 237
 238         if (!key)
 239                 goto out;
 240
 241         memset(&params, 0, sizeof(params));
 242
 243         switch (key->conf.alg) {
 244         case ALG_TKIP:
 245                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 246
 247                 iv32 = key->u.tkip.tx.iv32;
 248                 iv16 = key->u.tkip.tx.iv16;
 249
 250                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 251                         drv_get_tkip_seq(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         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 525                                                 BSS_CHANGED_BEACON);
 526         return 0;
 527 }
 528
 529 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 530                                 struct beacon_parameters *params)
 531 {
 532         struct ieee80211_sub_if_data *sdata;
 533         struct beacon_data *old;
 534
 535         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 536
 537         old = sdata->u.ap.beacon;
 538
 539         if (old)
 540                 return -EALREADY;
 541
 542         return ieee80211_config_beacon(sdata, params);
 543 }
 544
 545 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 546                                 struct beacon_parameters *params)
 547 {
 548         struct ieee80211_sub_if_data *sdata;
 549         struct beacon_data *old;
 550
 551         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 552
 553         old = sdata->u.ap.beacon;
 554
 555         if (!old)
 556                 return -ENOENT;
 557
 558         return ieee80211_config_beacon(sdata, params);
 559 }
 560
 561 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 562 {
 563         struct ieee80211_sub_if_data *sdata;
 564         struct beacon_data *old;
 565
 566         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 567
 568         old = sdata->u.ap.beacon;
 569
 570         if (!old)
 571                 return -ENOENT;
 572
 573         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 574         synchronize_rcu();
 575         kfree(old);
 576
 577         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 578         return 0;
 579 }
 580
 581 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 582 struct iapp_layer2_update {
 583         u8 da[ETH_ALEN];        /* broadcast */
 584         u8 sa[ETH_ALEN];        /* STA addr */
 585         __be16 len;             /* 6 */
 586         u8 dsap;                /* 0 */
 587         u8 ssap;                /* 0 */
 588         u8 control;
 589         u8 xid_info[3];
 590 } __attribute__ ((packed));
 591
 592 static void ieee80211_send_layer2_update(struct sta_info *sta)
 593 {
 594         struct iapp_layer2_update *msg;
 595         struct sk_buff *skb;
 596
 597         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 598          * bridge devices */
 599
 600         skb = dev_alloc_skb(sizeof(*msg));
 601         if (!skb)
 602                 return;
 603         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 604
 605         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 606          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 607
 608         memset(msg->da, 0xff, ETH_ALEN);
 609         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 610         msg->len = htons(6);
 611         msg->dsap = 0;
 612         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 613         msg->control = 0xaf;    /* XID response lsb.1111F101.
 614                                  * F=0 (no poll command; unsolicited frame) */
 615         msg->xid_info[0] = 0x81;        /* XID format identifier */
 616         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 617         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 618
 619         skb->dev = sta->sdata->dev;
 620         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 621         memset(skb->cb, 0, sizeof(skb->cb));
 622         netif_rx(skb);
 623 }
 624
 625 static void sta_apply_parameters(struct ieee80211_local *local,
 626                                  struct sta_info *sta,
 627                                  struct station_parameters *params)
 628 {
 629         u32 rates;
 630         int i, j;
 631         struct ieee80211_supported_band *sband;
 632         struct ieee80211_sub_if_data *sdata = sta->sdata;
 633         u32 mask, set;
 634
 635         sband = local->hw.wiphy->bands[local->oper_channel->band];
 636
 637         spin_lock_bh(&sta->lock);
 638         mask = params->sta_flags_mask;
 639         set = params->sta_flags_set;
 640
 641         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 642                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 643                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 644                         sta->flags |= WLAN_STA_AUTHORIZED;
 645         }
 646
 647         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 648                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 649                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 650                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 651         }
 652
 653         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 654                 sta->flags &= ~WLAN_STA_WME;
 655                 if (set & BIT(NL80211_STA_FLAG_WME))
 656                         sta->flags |= WLAN_STA_WME;
 657         }
 658
 659         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 660                 sta->flags &= ~WLAN_STA_MFP;
 661                 if (set & BIT(NL80211_STA_FLAG_MFP))
 662                         sta->flags |= WLAN_STA_MFP;
 663         }
 664         spin_unlock_bh(&sta->lock);
 665
 666         /*
 667          * FIXME: updating the following information is racy when this
 668          *        function is called from ieee80211_change_station().
 669          *        However, all this information should be static so
 670          *        maybe we should just reject attemps to change it.
 671          */
 672
 673         if (params->aid) {
 674                 sta->sta.aid = params->aid;
 675                 if (sta->sta.aid > IEEE80211_MAX_AID)
 676                         sta->sta.aid = 0; /* XXX: should this be an error? */
 677         }
 678
 679         if (params->listen_interval >= 0)
 680                 sta->listen_interval = params->listen_interval;
 681
 682         if (params->supported_rates) {
 683                 rates = 0;
 684
 685                 for (i = 0; i < params->supported_rates_len; i++) {
 686                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 687                         for (j = 0; j < sband->n_bitrates; j++) {
 688                                 if (sband->bitrates[j].bitrate == rate)
 689                                         rates |= BIT(j);
 690                         }
 691                 }
 692                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 693         }
 694
 695         if (params->ht_capa)
 696                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 697                                                   params->ht_capa,
 698                                                   &sta->sta.ht_cap);
 699
 700         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 701                 switch (params->plink_action) {
 702                 case PLINK_ACTION_OPEN:
 703                         mesh_plink_open(sta);
 704                         break;
 705                 case PLINK_ACTION_BLOCK:
 706                         mesh_plink_block(sta);
 707                         break;
 708                 }
 709         }
 710 }
 711
 712 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 713                                  u8 *mac, struct station_parameters *params)
 714 {
 715         struct ieee80211_local *local = wiphy_priv(wiphy);
 716         struct sta_info *sta;
 717         struct ieee80211_sub_if_data *sdata;
 718         int err;
 719         int layer2_update;
 720
 721         if (params->vlan) {
 722                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 723
 724                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 725                     sdata->vif.type != NL80211_IFTYPE_AP)
 726                         return -EINVAL;
 727         } else
 728                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 729
 730         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 731                 return -EINVAL;
 732
 733         if (is_multicast_ether_addr(mac))
 734                 return -EINVAL;
 735
 736         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 737         if (!sta)
 738                 return -ENOMEM;
 739
 740         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 741
 742         sta_apply_parameters(local, sta, params);
 743
 744         rate_control_rate_init(sta);
 745
 746         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 747                 sdata->vif.type == NL80211_IFTYPE_AP;
 748
 749         rcu_read_lock();
 750
 751         err = sta_info_insert(sta);
 752         if (err) {
 753                 /* STA has been freed */
 754                 if (err == -EEXIST && layer2_update) {
 755                         /* Need to update layer 2 devices on reassociation */
 756                         sta = sta_info_get(local, mac);
 757                         if (sta)
 758                                 ieee80211_send_layer2_update(sta);
 759                 }
 760                 rcu_read_unlock();
 761                 return err;
 762         }
 763
 764         if (layer2_update)
 765                 ieee80211_send_layer2_update(sta);
 766
 767         rcu_read_unlock();
 768
 769         return 0;
 770 }
 771
 772 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 773                                  u8 *mac)
 774 {
 775         struct ieee80211_local *local = wiphy_priv(wiphy);
 776         struct ieee80211_sub_if_data *sdata;
 777         struct sta_info *sta;
 778
 779         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 780
 781         if (mac) {
 782                 rcu_read_lock();
 783
 784                 /* XXX: get sta belonging to dev */
 785                 sta = sta_info_get(local, mac);
 786                 if (!sta) {
 787                         rcu_read_unlock();
 788                         return -ENOENT;
 789                 }
 790
 791                 sta_info_unlink(&sta);
 792                 rcu_read_unlock();
 793
 794                 sta_info_destroy(sta);
 795         } else
 796                 sta_info_flush(local, sdata);
 797
 798         return 0;
 799 }
 800
 801 static int ieee80211_change_station(struct wiphy *wiphy,
 802                                     struct net_device *dev,
 803                                     u8 *mac,
 804                                     struct station_parameters *params)
 805 {
 806         struct ieee80211_local *local = wiphy_priv(wiphy);
 807         struct sta_info *sta;
 808         struct ieee80211_sub_if_data *vlansdata;
 809
 810         rcu_read_lock();
 811
 812         /* XXX: get sta belonging to dev */
 813         sta = sta_info_get(local, mac);
 814         if (!sta) {
 815                 rcu_read_unlock();
 816                 return -ENOENT;
 817         }
 818
 819         if (params->vlan && params->vlan != sta->sdata->dev) {
 820                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 821
 822                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 823                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 824                         rcu_read_unlock();
 825                         return -EINVAL;
 826                 }
 827
 828                 sta->sdata = vlansdata;
 829                 ieee80211_send_layer2_update(sta);
 830         }
 831
 832         sta_apply_parameters(local, sta, params);
 833
 834         rcu_read_unlock();
 835
 836         return 0;
 837 }
 838
 839 #ifdef CONFIG_MAC80211_MESH
 840 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 841                                  u8 *dst, u8 *next_hop)
 842 {
 843         struct ieee80211_local *local = wiphy_priv(wiphy);
 844         struct ieee80211_sub_if_data *sdata;
 845         struct mesh_path *mpath;
 846         struct sta_info *sta;
 847         int err;
 848
 849         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 850
 851         rcu_read_lock();
 852         sta = sta_info_get(local, next_hop);
 853         if (!sta) {
 854                 rcu_read_unlock();
 855                 return -ENOENT;
 856         }
 857
 858         err = mesh_path_add(dst, sdata);
 859         if (err) {
 860                 rcu_read_unlock();
 861                 return err;
 862         }
 863
 864         mpath = mesh_path_lookup(dst, sdata);
 865         if (!mpath) {
 866                 rcu_read_unlock();
 867                 return -ENXIO;
 868         }
 869         mesh_path_fix_nexthop(mpath, sta);
 870
 871         rcu_read_unlock();
 872         return 0;
 873 }
 874
 875 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 876                                  u8 *dst)
 877 {
 878         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 879
 880         if (dst)
 881                 return mesh_path_del(dst, sdata);
 882
 883         mesh_path_flush(sdata);
 884         return 0;
 885 }
 886
 887 static int ieee80211_change_mpath(struct wiphy *wiphy,
 888                                     struct net_device *dev,
 889                                     u8 *dst, u8 *next_hop)
 890 {
 891         struct ieee80211_local *local = wiphy_priv(wiphy);
 892         struct ieee80211_sub_if_data *sdata;
 893         struct mesh_path *mpath;
 894         struct sta_info *sta;
 895
 896         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 897
 898         rcu_read_lock();
 899
 900         sta = sta_info_get(local, next_hop);
 901         if (!sta) {
 902                 rcu_read_unlock();
 903                 return -ENOENT;
 904         }
 905
 906         mpath = mesh_path_lookup(dst, sdata);
 907         if (!mpath) {
 908                 rcu_read_unlock();
 909                 return -ENOENT;
 910         }
 911
 912         mesh_path_fix_nexthop(mpath, sta);
 913
 914         rcu_read_unlock();
 915         return 0;
 916 }
 917
 918 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 919                             struct mpath_info *pinfo)
 920 {
 921         if (mpath->next_hop)
 922                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 923         else
 924                 memset(next_hop, 0, ETH_ALEN);
 925
 926         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 927                         MPATH_INFO_DSN |
 928                         MPATH_INFO_METRIC |
 929                         MPATH_INFO_EXPTIME |
 930                         MPATH_INFO_DISCOVERY_TIMEOUT |
 931                         MPATH_INFO_DISCOVERY_RETRIES |
 932                         MPATH_INFO_FLAGS;
 933
 934         pinfo->frame_qlen = mpath->frame_queue.qlen;
 935         pinfo->dsn = mpath->dsn;
 936         pinfo->metric = mpath->metric;
 937         if (time_before(jiffies, mpath->exp_time))
 938                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 939         pinfo->discovery_timeout =
 940                         jiffies_to_msecs(mpath->discovery_timeout);
 941         pinfo->discovery_retries = mpath->discovery_retries;
 942         pinfo->flags = 0;
 943         if (mpath->flags & MESH_PATH_ACTIVE)
 944                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 945         if (mpath->flags & MESH_PATH_RESOLVING)
 946                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 947         if (mpath->flags & MESH_PATH_DSN_VALID)
 948                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 949         if (mpath->flags & MESH_PATH_FIXED)
 950                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 951         if (mpath->flags & MESH_PATH_RESOLVING)
 952                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 953
 954         pinfo->flags = mpath->flags;
 955 }
 956
 957 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 958                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 959
 960 {
 961         struct ieee80211_sub_if_data *sdata;
 962         struct mesh_path *mpath;
 963
 964         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 965
 966         rcu_read_lock();
 967         mpath = mesh_path_lookup(dst, sdata);
 968         if (!mpath) {
 969                 rcu_read_unlock();
 970                 return -ENOENT;
 971         }
 972         memcpy(dst, mpath->dst, ETH_ALEN);
 973         mpath_set_pinfo(mpath, next_hop, pinfo);
 974         rcu_read_unlock();
 975         return 0;
 976 }
 977
 978 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 979                                  int idx, u8 *dst, u8 *next_hop,
 980                                  struct mpath_info *pinfo)
 981 {
 982         struct ieee80211_sub_if_data *sdata;
 983         struct mesh_path *mpath;
 984
 985         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 986
 987         rcu_read_lock();
 988         mpath = mesh_path_lookup_by_idx(idx, sdata);
 989         if (!mpath) {
 990                 rcu_read_unlock();
 991                 return -ENOENT;
 992         }
 993         memcpy(dst, mpath->dst, ETH_ALEN);
 994         mpath_set_pinfo(mpath, next_hop, pinfo);
 995         rcu_read_unlock();
 996         return 0;
 997 }
 998
 999 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1000                                 struct net_device *dev,
1001                                 struct mesh_config *conf)
1002 {
1003         struct ieee80211_sub_if_data *sdata;
1004         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005
1006         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1007         return 0;
1008 }
1009
1010 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1011 {
1012         return (mask >> (parm-1)) & 0x1;
1013 }
1014
1015 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1016                                 struct net_device *dev,
1017                                 const struct mesh_config *nconf, u32 mask)
1018 {
1019         struct mesh_config *conf;
1020         struct ieee80211_sub_if_data *sdata;
1021         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022
1023         /* Set the config options which we are interested in setting */
1024         conf = &(sdata->u.mesh.mshcfg);
1025         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1026                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1027         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1028                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1029         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1030                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1031         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1032                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1033         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1034                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1035         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1036                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1037         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1038                 conf->auto_open_plinks = nconf->auto_open_plinks;
1039         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1040                 conf->dot11MeshHWMPmaxPREQretries =
1041                         nconf->dot11MeshHWMPmaxPREQretries;
1042         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1043                 conf->path_refresh_time = nconf->path_refresh_time;
1044         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1045                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1046         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1047                 conf->dot11MeshHWMPactivePathTimeout =
1048                         nconf->dot11MeshHWMPactivePathTimeout;
1049         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1050                 conf->dot11MeshHWMPpreqMinInterval =
1051                         nconf->dot11MeshHWMPpreqMinInterval;
1052         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1053                            mask))
1054                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1055                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1056         return 0;
1057 }
1058
1059 #endif
1060
1061 static int ieee80211_change_bss(struct wiphy *wiphy,
1062                                 struct net_device *dev,
1063                                 struct bss_parameters *params)
1064 {
1065         struct ieee80211_sub_if_data *sdata;
1066         u32 changed = 0;
1067
1068         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1069
1070         if (params->use_cts_prot >= 0) {
1071                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1072                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1073         }
1074         if (params->use_short_preamble >= 0) {
1075                 sdata->vif.bss_conf.use_short_preamble =
1076                         params->use_short_preamble;
1077                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1078         }
1079         if (params->use_short_slot_time >= 0) {
1080                 sdata->vif.bss_conf.use_short_slot =
1081                         params->use_short_slot_time;
1082                 changed |= BSS_CHANGED_ERP_SLOT;
1083         }
1084
1085         if (params->basic_rates) {
1086                 int i, j;
1087                 u32 rates = 0;
1088                 struct ieee80211_local *local = wiphy_priv(wiphy);
1089                 struct ieee80211_supported_band *sband =
1090                         wiphy->bands[local->oper_channel->band];
1091
1092                 for (i = 0; i < params->basic_rates_len; i++) {
1093                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1094                         for (j = 0; j < sband->n_bitrates; j++) {
1095                                 if (sband->bitrates[j].bitrate == rate)
1096                                         rates |= BIT(j);
1097                         }
1098                 }
1099                 sdata->vif.bss_conf.basic_rates = rates;
1100                 changed |= BSS_CHANGED_BASIC_RATES;
1101         }
1102
1103         ieee80211_bss_info_change_notify(sdata, changed);
1104
1105         return 0;
1106 }
1107
1108 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1109                                     struct ieee80211_txq_params *params)
1110 {
1111         struct ieee80211_local *local = wiphy_priv(wiphy);
1112         struct ieee80211_tx_queue_params p;
1113
1114         if (!local->ops->conf_tx)
1115                 return -EOPNOTSUPP;
1116
1117         memset(&p, 0, sizeof(p));
1118         p.aifs = params->aifs;
1119         p.cw_max = params->cwmax;
1120         p.cw_min = params->cwmin;
1121         p.txop = params->txop;
1122         if (drv_conf_tx(local, params->queue, &p)) {
1123                 printk(KERN_DEBUG "%s: failed to set TX queue "
1124                        "parameters for queue %d\n", local->mdev->name,
1125                        params->queue);
1126                 return -EINVAL;
1127         }
1128
1129         return 0;
1130 }
1131
1132 static int ieee80211_set_channel(struct wiphy *wiphy,
1133                                  struct ieee80211_channel *chan,
1134                                  enum nl80211_channel_type channel_type)
1135 {
1136         struct ieee80211_local *local = wiphy_priv(wiphy);
1137
1138         local->oper_channel = chan;
1139         local->oper_channel_type = channel_type;
1140
1141         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1142 }
1143
1144 #ifdef CONFIG_PM
1145 static int ieee80211_suspend(struct wiphy *wiphy)
1146 {
1147         return __ieee80211_suspend(wiphy_priv(wiphy));
1148 }
1149
1150 static int ieee80211_resume(struct wiphy *wiphy)
1151 {
1152         return __ieee80211_resume(wiphy_priv(wiphy));
1153 }
1154 #else
1155 #define ieee80211_suspend NULL
1156 #define ieee80211_resume NULL
1157 #endif
1158
1159 static int ieee80211_scan(struct wiphy *wiphy,
1160                           struct net_device *dev,
1161                           struct cfg80211_scan_request *req)
1162 {
1163         struct ieee80211_sub_if_data *sdata;
1164
1165         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1166
1167         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1168             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1169             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1170             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1171                 return -EOPNOTSUPP;
1172
1173         return ieee80211_request_scan(sdata, req);
1174 }
1175
1176 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1177                           struct cfg80211_auth_request *req)
1178 {
1179         struct ieee80211_sub_if_data *sdata;
1180
1181         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1182
1183         switch (req->auth_type) {
1184         case NL80211_AUTHTYPE_OPEN_SYSTEM:
1185                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1186                 break;
1187         case NL80211_AUTHTYPE_SHARED_KEY:
1188                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1189                 break;
1190         case NL80211_AUTHTYPE_FT:
1191                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1192                 break;
1193         case NL80211_AUTHTYPE_NETWORK_EAP:
1194                 sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1195                 break;
1196         default:
1197                 return -EOPNOTSUPP;
1198         }
1199
1200         memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1201         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1202         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1203
1204         /* TODO: req->chan */
1205         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1206
1207         if (req->ssid) {
1208                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1209                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1210                 sdata->u.mgd.ssid_len = req->ssid_len;
1211                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1212         }
1213
1214         kfree(sdata->u.mgd.sme_auth_ie);
1215         sdata->u.mgd.sme_auth_ie = NULL;
1216         sdata->u.mgd.sme_auth_ie_len = 0;
1217         if (req->ie) {
1218                 sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1219                 if (sdata->u.mgd.sme_auth_ie == NULL)
1220                         return -ENOMEM;
1221                 memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1222                 sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1223         }
1224
1225         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1226         sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1227         ieee80211_sta_req_auth(sdata);
1228         return 0;
1229 }
1230
1231 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1232                            struct cfg80211_assoc_request *req)
1233 {
1234         struct ieee80211_sub_if_data *sdata;
1235         int ret;
1236
1237         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1238
1239         if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1240             !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1241                 return -ENOLINK; /* not authenticated */
1242
1243         sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1244         sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1245
1246         /* TODO: req->chan */
1247         sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1248
1249         if (req->ssid) {
1250                 sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1251                 memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1252                 sdata->u.mgd.ssid_len = req->ssid_len;
1253                 sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1254         } else
1255                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1256
1257         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1258         if (ret)
1259                 return ret;
1260
1261         if (req->use_mfp) {
1262                 sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
1263                 sdata->u.mgd.flags |= IEEE80211_STA_MFP_ENABLED;
1264         } else {
1265                 sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
1266                 sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
1267         }
1268
1269         if (req->control_port)
1270                 sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
1271         else
1272                 sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
1273
1274         sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1275         sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1276         ieee80211_sta_req_auth(sdata);
1277         return 0;
1278 }
1279
1280 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1281                             struct cfg80211_deauth_request *req)
1282 {
1283         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284
1285         /* TODO: req->ie, req->peer_addr */
1286         return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1287 }
1288
1289 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1290                               struct cfg80211_disassoc_request *req)
1291 {
1292         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1293
1294         /* TODO: req->ie, req->peer_addr */
1295         return ieee80211_sta_disassociate(sdata, req->reason_code);
1296 }
1297
1298 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1299                                struct cfg80211_ibss_params *params)
1300 {
1301         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1302
1303         return ieee80211_ibss_join(sdata, params);
1304 }
1305
1306 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1307 {
1308         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1309
1310         return ieee80211_ibss_leave(sdata);
1311 }
1312
1313 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1314 {
1315         struct ieee80211_local *local = wiphy_priv(wiphy);
1316         int err;
1317
1318         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1319                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1320
1321                 if (err)
1322                         return err;
1323         }
1324
1325         if (changed & WIPHY_PARAM_RETRY_SHORT)
1326                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1327         if (changed & WIPHY_PARAM_RETRY_LONG)
1328                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1329         if (changed &
1330             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1331                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1332
1333         return 0;
1334 }
1335
1336 struct cfg80211_ops mac80211_config_ops = {
1337         .add_virtual_intf = ieee80211_add_iface,
1338         .del_virtual_intf = ieee80211_del_iface,
1339         .change_virtual_intf = ieee80211_change_iface,
1340         .add_key = ieee80211_add_key,
1341         .del_key = ieee80211_del_key,
1342         .get_key = ieee80211_get_key,
1343         .set_default_key = ieee80211_config_default_key,
1344         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1345         .add_beacon = ieee80211_add_beacon,
1346         .set_beacon = ieee80211_set_beacon,
1347         .del_beacon = ieee80211_del_beacon,
1348         .add_station = ieee80211_add_station,
1349         .del_station = ieee80211_del_station,
1350         .change_station = ieee80211_change_station,
1351         .get_station = ieee80211_get_station,
1352         .dump_station = ieee80211_dump_station,
1353 #ifdef CONFIG_MAC80211_MESH
1354         .add_mpath = ieee80211_add_mpath,
1355         .del_mpath = ieee80211_del_mpath,
1356         .change_mpath = ieee80211_change_mpath,
1357         .get_mpath = ieee80211_get_mpath,
1358         .dump_mpath = ieee80211_dump_mpath,
1359         .set_mesh_params = ieee80211_set_mesh_params,
1360         .get_mesh_params = ieee80211_get_mesh_params,
1361 #endif
1362         .change_bss = ieee80211_change_bss,
1363         .set_txq_params = ieee80211_set_txq_params,
1364         .set_channel = ieee80211_set_channel,
1365         .suspend = ieee80211_suspend,
1366         .resume = ieee80211_resume,
1367         .scan = ieee80211_scan,
1368         .auth = ieee80211_auth,
1369         .assoc = ieee80211_assoc,
1370         .deauth = ieee80211_deauth,
1371         .disassoc = ieee80211_disassoc,
1372         .join_ibss = ieee80211_join_ibss,
1373         .leave_ibss = ieee80211_leave_ibss,
1374         .set_wiphy_params = ieee80211_set_wiphy_params,
1375 };