git.oblomov.eu Git - linux-2.6/blob - net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <net/net_namespace.h>
  13 #include <linux/rcupdate.h>
  14 #include <net/cfg80211.h>
  15 #include "ieee80211_i.h"
  16 #include "cfg.h"
  17 #include "rate.h"
  18 #include "mesh.h"
  19
  20 static bool nl80211_type_check(enum nl80211_iftype type)
  21 {
  22         switch (type) {
  23         case NL80211_IFTYPE_ADHOC:
  24         case NL80211_IFTYPE_STATION:
  25         case NL80211_IFTYPE_MONITOR:
  26 #ifdef CONFIG_MAC80211_MESH
  27         case NL80211_IFTYPE_MESH_POINT:
  28 #endif
  29         case NL80211_IFTYPE_AP:
  30         case NL80211_IFTYPE_AP_VLAN:
  31         case NL80211_IFTYPE_WDS:
  32                 return true;
  33         default:
  34                 return false;
  35         }
  36 }
  37
  38 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  39                                enum nl80211_iftype type, u32 *flags,
  40                                struct vif_params *params)
  41 {
  42         struct ieee80211_local *local = wiphy_priv(wiphy);
  43         struct net_device *dev;
  44         struct ieee80211_sub_if_data *sdata;
  45         int err;
  46
  47         if (!nl80211_type_check(type))
  48                 return -EINVAL;
  49
  50         err = ieee80211_if_add(local, name, &dev, type, params);
  51         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  52                 return err;
  53
  54         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  55         sdata->u.mntr_flags = *flags;
  56         return 0;
  57 }
  58
  59 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  60 {
  61         struct net_device *dev;
  62         struct ieee80211_sub_if_data *sdata;
  63
  64         /* we're under RTNL */
  65         dev = __dev_get_by_index(&init_net, ifindex);
  66         if (!dev)
  67                 return -ENODEV;
  68
  69         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  70
  71         ieee80211_if_remove(sdata);
  72
  73         return 0;
  74 }
  75
  76 static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  77                                   enum nl80211_iftype type, u32 *flags,
  78                                   struct vif_params *params)
  79 {
  80         struct net_device *dev;
  81         struct ieee80211_sub_if_data *sdata;
  82         int ret;
  83
  84         /* we're under RTNL */
  85         dev = __dev_get_by_index(&init_net, ifindex);
  86         if (!dev)
  87                 return -ENODEV;
  88
  89         if (!nl80211_type_check(type))
  90                 return -EINVAL;
  91
  92         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  93
  94         ret = ieee80211_if_change_type(sdata, type);
  95         if (ret)
  96                 return ret;
  97
  98         if (netif_running(sdata->dev))
  99                 return -EBUSY;
 100
 101         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 102                 ieee80211_sdata_set_mesh_id(sdata,
 103                                             params->mesh_id_len,
 104                                             params->mesh_id);
 105
 106         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 107                 return 0;
 108
 109         sdata->u.mntr_flags = *flags;
 110         return 0;
 111 }
 112
 113 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 114                              u8 key_idx, u8 *mac_addr,
 115                              struct key_params *params)
 116 {
 117         struct ieee80211_sub_if_data *sdata;
 118         struct sta_info *sta = NULL;
 119         enum ieee80211_key_alg alg;
 120         struct ieee80211_key *key;
 121         int err;
 122
 123         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 124
 125         switch (params->cipher) {
 126         case WLAN_CIPHER_SUITE_WEP40:
 127         case WLAN_CIPHER_SUITE_WEP104:
 128                 alg = ALG_WEP;
 129                 break;
 130         case WLAN_CIPHER_SUITE_TKIP:
 131                 alg = ALG_TKIP;
 132                 break;
 133         case WLAN_CIPHER_SUITE_CCMP:
 134                 alg = ALG_CCMP;
 135                 break;
 136         case WLAN_CIPHER_SUITE_AES_CMAC:
 137                 alg = ALG_AES_CMAC;
 138                 break;
 139         default:
 140                 return -EINVAL;
 141         }
 142
 143         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
 144         if (!key)
 145                 return -ENOMEM;
 146
 147         rcu_read_lock();
 148
 149         if (mac_addr) {
 150                 sta = sta_info_get(sdata->local, mac_addr);
 151                 if (!sta) {
 152                         ieee80211_key_free(key);
 153                         err = -ENOENT;
 154                         goto out_unlock;
 155                 }
 156         }
 157
 158         ieee80211_key_link(key, sdata, sta);
 159
 160         err = 0;
 161  out_unlock:
 162         rcu_read_unlock();
 163
 164         return err;
 165 }
 166
 167 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 168                              u8 key_idx, u8 *mac_addr)
 169 {
 170         struct ieee80211_sub_if_data *sdata;
 171         struct sta_info *sta;
 172         int ret;
 173
 174         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 175
 176         rcu_read_lock();
 177
 178         if (mac_addr) {
 179                 ret = -ENOENT;
 180
 181                 sta = sta_info_get(sdata->local, mac_addr);
 182                 if (!sta)
 183                         goto out_unlock;
 184
 185                 if (sta->key) {
 186                         ieee80211_key_free(sta->key);
 187                         WARN_ON(sta->key);
 188                         ret = 0;
 189                 }
 190
 191                 goto out_unlock;
 192         }
 193
 194         if (!sdata->keys[key_idx]) {
 195                 ret = -ENOENT;
 196                 goto out_unlock;
 197         }
 198
 199         ieee80211_key_free(sdata->keys[key_idx]);
 200         WARN_ON(sdata->keys[key_idx]);
 201
 202         ret = 0;
 203  out_unlock:
 204         rcu_read_unlock();
 205
 206         return ret;
 207 }
 208
 209 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 210                              u8 key_idx, u8 *mac_addr, void *cookie,
 211                              void (*callback)(void *cookie,
 212                                               struct key_params *params))
 213 {
 214         struct ieee80211_sub_if_data *sdata;
 215         struct sta_info *sta = NULL;
 216         u8 seq[6] = {0};
 217         struct key_params params;
 218         struct ieee80211_key *key;
 219         u32 iv32;
 220         u16 iv16;
 221         int err = -ENOENT;
 222
 223         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 224
 225         rcu_read_lock();
 226
 227         if (mac_addr) {
 228                 sta = sta_info_get(sdata->local, mac_addr);
 229                 if (!sta)
 230                         goto out;
 231
 232                 key = sta->key;
 233         } else
 234                 key = sdata->keys[key_idx];
 235
 236         if (!key)
 237                 goto out;
 238
 239         memset(&params, 0, sizeof(params));
 240
 241         switch (key->conf.alg) {
 242         case ALG_TKIP:
 243                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 244
 245                 iv32 = key->u.tkip.tx.iv32;
 246                 iv16 = key->u.tkip.tx.iv16;
 247
 248                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 249                     sdata->local->ops->get_tkip_seq)
 250                         sdata->local->ops->get_tkip_seq(
 251                                 local_to_hw(sdata->local),
 252                                 key->conf.hw_key_idx,
 253                                 &iv32, &iv16);
 254
 255                 seq[0] = iv16 & 0xff;
 256                 seq[1] = (iv16 >> 8) & 0xff;
 257                 seq[2] = iv32 & 0xff;
 258                 seq[3] = (iv32 >> 8) & 0xff;
 259                 seq[4] = (iv32 >> 16) & 0xff;
 260                 seq[5] = (iv32 >> 24) & 0xff;
 261                 params.seq = seq;
 262                 params.seq_len = 6;
 263                 break;
 264         case ALG_CCMP:
 265                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 266                 seq[0] = key->u.ccmp.tx_pn[5];
 267                 seq[1] = key->u.ccmp.tx_pn[4];
 268                 seq[2] = key->u.ccmp.tx_pn[3];
 269                 seq[3] = key->u.ccmp.tx_pn[2];
 270                 seq[4] = key->u.ccmp.tx_pn[1];
 271                 seq[5] = key->u.ccmp.tx_pn[0];
 272                 params.seq = seq;
 273                 params.seq_len = 6;
 274                 break;
 275         case ALG_WEP:
 276                 if (key->conf.keylen == 5)
 277                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 278                 else
 279                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 280                 break;
 281         case ALG_AES_CMAC:
 282                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 283                 seq[0] = key->u.aes_cmac.tx_pn[5];
 284                 seq[1] = key->u.aes_cmac.tx_pn[4];
 285                 seq[2] = key->u.aes_cmac.tx_pn[3];
 286                 seq[3] = key->u.aes_cmac.tx_pn[2];
 287                 seq[4] = key->u.aes_cmac.tx_pn[1];
 288                 seq[5] = key->u.aes_cmac.tx_pn[0];
 289                 params.seq = seq;
 290                 params.seq_len = 6;
 291                 break;
 292         }
 293
 294         params.key = key->conf.key;
 295         params.key_len = key->conf.keylen;
 296
 297         callback(cookie, &params);
 298         err = 0;
 299
 300  out:
 301         rcu_read_unlock();
 302         return err;
 303 }
 304
 305 static int ieee80211_config_default_key(struct wiphy *wiphy,
 306                                         struct net_device *dev,
 307                                         u8 key_idx)
 308 {
 309         struct ieee80211_sub_if_data *sdata;
 310
 311         rcu_read_lock();
 312
 313         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 314         ieee80211_set_default_key(sdata, key_idx);
 315
 316         rcu_read_unlock();
 317
 318         return 0;
 319 }
 320
 321 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 322                                              struct net_device *dev,
 323                                              u8 key_idx)
 324 {
 325         struct ieee80211_sub_if_data *sdata;
 326
 327         rcu_read_lock();
 328
 329         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 330         ieee80211_set_default_mgmt_key(sdata, key_idx);
 331
 332         rcu_read_unlock();
 333
 334         return 0;
 335 }
 336
 337 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 338 {
 339         struct ieee80211_sub_if_data *sdata = sta->sdata;
 340
 341         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 342                         STATION_INFO_RX_BYTES |
 343                         STATION_INFO_TX_BYTES |
 344                         STATION_INFO_TX_BITRATE;
 345
 346         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 347         sinfo->rx_bytes = sta->rx_bytes;
 348         sinfo->tx_bytes = sta->tx_bytes;
 349
 350         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 351                 sinfo->filled |= STATION_INFO_SIGNAL;
 352                 sinfo->signal = (s8)sta->last_signal;
 353         }
 354
 355         sinfo->txrate.flags = 0;
 356         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 357                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 358         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 359                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 360         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 361                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 362
 363         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 364                 struct ieee80211_supported_band *sband;
 365                 sband = sta->local->hw.wiphy->bands[
 366                                 sta->local->hw.conf.channel->band];
 367                 sinfo->txrate.legacy =
 368                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 369         } else
 370                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 371
 372         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 373 #ifdef CONFIG_MAC80211_MESH
 374                 sinfo->filled |= STATION_INFO_LLID |
 375                                  STATION_INFO_PLID |
 376                                  STATION_INFO_PLINK_STATE;
 377
 378                 sinfo->llid = le16_to_cpu(sta->llid);
 379                 sinfo->plid = le16_to_cpu(sta->plid);
 380                 sinfo->plink_state = sta->plink_state;
 381 #endif
 382         }
 383 }
 384
 385
 386 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 387                                  int idx, u8 *mac, struct station_info *sinfo)
 388 {
 389         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 390         struct sta_info *sta;
 391         int ret = -ENOENT;
 392
 393         rcu_read_lock();
 394
 395         sta = sta_info_get_by_idx(local, idx, dev);
 396         if (sta) {
 397                 ret = 0;
 398                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 399                 sta_set_sinfo(sta, sinfo);
 400         }
 401
 402         rcu_read_unlock();
 403
 404         return ret;
 405 }
 406
 407 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 408                                  u8 *mac, struct station_info *sinfo)
 409 {
 410         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 411         struct sta_info *sta;
 412         int ret = -ENOENT;
 413
 414         rcu_read_lock();
 415
 416         /* XXX: verify sta->dev == dev */
 417
 418         sta = sta_info_get(local, mac);
 419         if (sta) {
 420                 ret = 0;
 421                 sta_set_sinfo(sta, sinfo);
 422         }
 423
 424         rcu_read_unlock();
 425
 426         return ret;
 427 }
 428
 429 /*
 430  * This handles both adding a beacon and setting new beacon info
 431  */
 432 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 433                                    struct beacon_parameters *params)
 434 {
 435         struct beacon_data *new, *old;
 436         int new_head_len, new_tail_len;
 437         int size;
 438         int err = -EINVAL;
 439
 440         old = sdata->u.ap.beacon;
 441
 442         /* head must not be zero-length */
 443         if (params->head && !params->head_len)
 444                 return -EINVAL;
 445
 446         /*
 447          * This is a kludge. beacon interval should really be part
 448          * of the beacon information.
 449          */
 450         if (params->interval) {
 451                 sdata->local->hw.conf.beacon_int = params->interval;
 452                 err = ieee80211_hw_config(sdata->local,
 453                                         IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
 454                 if (err < 0)
 455                         return err;
 456                 /*
 457                  * We updated some parameter so if below bails out
 458                  * it's not an error.
 459                  */
 460                 err = 0;
 461         }
 462
 463         /* Need to have a beacon head if we don't have one yet */
 464         if (!params->head && !old)
 465                 return err;
 466
 467         /* sorry, no way to start beaconing without dtim period */
 468         if (!params->dtim_period && !old)
 469                 return err;
 470
 471         /* new or old head? */
 472         if (params->head)
 473                 new_head_len = params->head_len;
 474         else
 475                 new_head_len = old->head_len;
 476
 477         /* new or old tail? */
 478         if (params->tail || !old)
 479                 /* params->tail_len will be zero for !params->tail */
 480                 new_tail_len = params->tail_len;
 481         else
 482                 new_tail_len = old->tail_len;
 483
 484         size = sizeof(*new) + new_head_len + new_tail_len;
 485
 486         new = kzalloc(size, GFP_KERNEL);
 487         if (!new)
 488                 return -ENOMEM;
 489
 490         /* start filling the new info now */
 491
 492         /* new or old dtim period? */
 493         if (params->dtim_period)
 494                 new->dtim_period = params->dtim_period;
 495         else
 496                 new->dtim_period = old->dtim_period;
 497
 498         /*
 499          * pointers go into the block we allocated,
 500          * memory is | beacon_data | head | tail |
 501          */
 502         new->head = ((u8 *) new) + sizeof(*new);
 503         new->tail = new->head + new_head_len;
 504         new->head_len = new_head_len;
 505         new->tail_len = new_tail_len;
 506
 507         /* copy in head */
 508         if (params->head)
 509                 memcpy(new->head, params->head, new_head_len);
 510         else
 511                 memcpy(new->head, old->head, new_head_len);
 512
 513         /* copy in optional tail */
 514         if (params->tail)
 515                 memcpy(new->tail, params->tail, new_tail_len);
 516         else
 517                 if (old)
 518                         memcpy(new->tail, old->tail, new_tail_len);
 519
 520         rcu_assign_pointer(sdata->u.ap.beacon, new);
 521
 522         synchronize_rcu();
 523
 524         kfree(old);
 525
 526         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
 527                                           IEEE80211_IFCC_BEACON_ENABLED);
 528 }
 529
 530 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 531                                 struct beacon_parameters *params)
 532 {
 533         struct ieee80211_sub_if_data *sdata;
 534         struct beacon_data *old;
 535
 536         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 537
 538         if (sdata->vif.type != NL80211_IFTYPE_AP)
 539                 return -EINVAL;
 540
 541         old = sdata->u.ap.beacon;
 542
 543         if (old)
 544                 return -EALREADY;
 545
 546         return ieee80211_config_beacon(sdata, params);
 547 }
 548
 549 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 550                                 struct beacon_parameters *params)
 551 {
 552         struct ieee80211_sub_if_data *sdata;
 553         struct beacon_data *old;
 554
 555         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 556
 557         if (sdata->vif.type != NL80211_IFTYPE_AP)
 558                 return -EINVAL;
 559
 560         old = sdata->u.ap.beacon;
 561
 562         if (!old)
 563                 return -ENOENT;
 564
 565         return ieee80211_config_beacon(sdata, params);
 566 }
 567
 568 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 569 {
 570         struct ieee80211_sub_if_data *sdata;
 571         struct beacon_data *old;
 572
 573         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 574
 575         if (sdata->vif.type != NL80211_IFTYPE_AP)
 576                 return -EINVAL;
 577
 578         old = sdata->u.ap.beacon;
 579
 580         if (!old)
 581                 return -ENOENT;
 582
 583         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 584         synchronize_rcu();
 585         kfree(old);
 586
 587         return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
 588 }
 589
 590 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 591 struct iapp_layer2_update {
 592         u8 da[ETH_ALEN];        /* broadcast */
 593         u8 sa[ETH_ALEN];        /* STA addr */
 594         __be16 len;             /* 6 */
 595         u8 dsap;                /* 0 */
 596         u8 ssap;                /* 0 */
 597         u8 control;
 598         u8 xid_info[3];
 599 } __attribute__ ((packed));
 600
 601 static void ieee80211_send_layer2_update(struct sta_info *sta)
 602 {
 603         struct iapp_layer2_update *msg;
 604         struct sk_buff *skb;
 605
 606         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 607          * bridge devices */
 608
 609         skb = dev_alloc_skb(sizeof(*msg));
 610         if (!skb)
 611                 return;
 612         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 613
 614         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 615          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 616
 617         memset(msg->da, 0xff, ETH_ALEN);
 618         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 619         msg->len = htons(6);
 620         msg->dsap = 0;
 621         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 622         msg->control = 0xaf;    /* XID response lsb.1111F101.
 623                                  * F=0 (no poll command; unsolicited frame) */
 624         msg->xid_info[0] = 0x81;        /* XID format identifier */
 625         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 626         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 627
 628         skb->dev = sta->sdata->dev;
 629         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 630         memset(skb->cb, 0, sizeof(skb->cb));
 631         netif_rx(skb);
 632 }
 633
 634 static void sta_apply_parameters(struct ieee80211_local *local,
 635                                  struct sta_info *sta,
 636                                  struct station_parameters *params)
 637 {
 638         u32 rates;
 639         int i, j;
 640         struct ieee80211_supported_band *sband;
 641         struct ieee80211_sub_if_data *sdata = sta->sdata;
 642
 643         sband = local->hw.wiphy->bands[local->oper_channel->band];
 644
 645         /*
 646          * FIXME: updating the flags is racy when this function is
 647          *        called from ieee80211_change_station(), this will
 648          *        be resolved in a future patch.
 649          */
 650
 651         if (params->station_flags & STATION_FLAG_CHANGED) {
 652                 spin_lock_bh(&sta->lock);
 653                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 654                 if (params->station_flags & STATION_FLAG_AUTHORIZED)
 655                         sta->flags |= WLAN_STA_AUTHORIZED;
 656
 657                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 658                 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
 659                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 660
 661                 sta->flags &= ~WLAN_STA_WME;
 662                 if (params->station_flags & STATION_FLAG_WME)
 663                         sta->flags |= WLAN_STA_WME;
 664
 665                 sta->flags &= ~WLAN_STA_MFP;
 666                 if (params->station_flags & STATION_FLAG_MFP)
 667                         sta->flags |= WLAN_STA_MFP;
 668                 spin_unlock_bh(&sta->lock);
 669         }
 670
 671         /*
 672          * FIXME: updating the following information is racy when this
 673          *        function is called from ieee80211_change_station().
 674          *        However, all this information should be static so
 675          *        maybe we should just reject attemps to change it.
 676          */
 677
 678         if (params->aid) {
 679                 sta->sta.aid = params->aid;
 680                 if (sta->sta.aid > IEEE80211_MAX_AID)
 681                         sta->sta.aid = 0; /* XXX: should this be an error? */
 682         }
 683
 684         if (params->listen_interval >= 0)
 685                 sta->listen_interval = params->listen_interval;
 686
 687         if (params->supported_rates) {
 688                 rates = 0;
 689
 690                 for (i = 0; i < params->supported_rates_len; i++) {
 691                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 692                         for (j = 0; j < sband->n_bitrates; j++) {
 693                                 if (sband->bitrates[j].bitrate == rate)
 694                                         rates |= BIT(j);
 695                         }
 696                 }
 697                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 698         }
 699
 700         if (params->ht_capa)
 701                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 702                                                   params->ht_capa,
 703                                                   &sta->sta.ht_cap);
 704
 705         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 706                 switch (params->plink_action) {
 707                 case PLINK_ACTION_OPEN:
 708                         mesh_plink_open(sta);
 709                         break;
 710                 case PLINK_ACTION_BLOCK:
 711                         mesh_plink_block(sta);
 712                         break;
 713                 }
 714         }
 715 }
 716
 717 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 718                                  u8 *mac, struct station_parameters *params)
 719 {
 720         struct ieee80211_local *local = wiphy_priv(wiphy);
 721         struct sta_info *sta;
 722         struct ieee80211_sub_if_data *sdata;
 723         int err;
 724         int layer2_update;
 725
 726         /* Prevent a race with changing the rate control algorithm */
 727         if (!netif_running(dev))
 728                 return -ENETDOWN;
 729
 730         if (params->vlan) {
 731                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 732
 733                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 734                     sdata->vif.type != NL80211_IFTYPE_AP)
 735                         return -EINVAL;
 736         } else
 737                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 738
 739         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 740                 return -EINVAL;
 741
 742         if (is_multicast_ether_addr(mac))
 743                 return -EINVAL;
 744
 745         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 746         if (!sta)
 747                 return -ENOMEM;
 748
 749         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 750
 751         sta_apply_parameters(local, sta, params);
 752
 753         rate_control_rate_init(sta);
 754
 755         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 756                 sdata->vif.type == NL80211_IFTYPE_AP;
 757
 758         rcu_read_lock();
 759
 760         err = sta_info_insert(sta);
 761         if (err) {
 762                 /* STA has been freed */
 763                 if (err == -EEXIST && layer2_update) {
 764                         /* Need to update layer 2 devices on reassociation */
 765                         sta = sta_info_get(local, mac);
 766                         if (sta)
 767                                 ieee80211_send_layer2_update(sta);
 768                 }
 769                 rcu_read_unlock();
 770                 return err;
 771         }
 772
 773         if (layer2_update)
 774                 ieee80211_send_layer2_update(sta);
 775
 776         rcu_read_unlock();
 777
 778         return 0;
 779 }
 780
 781 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 782                                  u8 *mac)
 783 {
 784         struct ieee80211_local *local = wiphy_priv(wiphy);
 785         struct ieee80211_sub_if_data *sdata;
 786         struct sta_info *sta;
 787
 788         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 789
 790         if (mac) {
 791                 rcu_read_lock();
 792
 793                 /* XXX: get sta belonging to dev */
 794                 sta = sta_info_get(local, mac);
 795                 if (!sta) {
 796                         rcu_read_unlock();
 797                         return -ENOENT;
 798                 }
 799
 800                 sta_info_unlink(&sta);
 801                 rcu_read_unlock();
 802
 803                 sta_info_destroy(sta);
 804         } else
 805                 sta_info_flush(local, sdata);
 806
 807         return 0;
 808 }
 809
 810 static int ieee80211_change_station(struct wiphy *wiphy,
 811                                     struct net_device *dev,
 812                                     u8 *mac,
 813                                     struct station_parameters *params)
 814 {
 815         struct ieee80211_local *local = wiphy_priv(wiphy);
 816         struct sta_info *sta;
 817         struct ieee80211_sub_if_data *vlansdata;
 818
 819         rcu_read_lock();
 820
 821         /* XXX: get sta belonging to dev */
 822         sta = sta_info_get(local, mac);
 823         if (!sta) {
 824                 rcu_read_unlock();
 825                 return -ENOENT;
 826         }
 827
 828         if (params->vlan && params->vlan != sta->sdata->dev) {
 829                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 830
 831                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 832                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 833                         rcu_read_unlock();
 834                         return -EINVAL;
 835                 }
 836
 837                 sta->sdata = vlansdata;
 838                 ieee80211_send_layer2_update(sta);
 839         }
 840
 841         sta_apply_parameters(local, sta, params);
 842
 843         rcu_read_unlock();
 844
 845         return 0;
 846 }
 847
 848 #ifdef CONFIG_MAC80211_MESH
 849 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 850                                  u8 *dst, u8 *next_hop)
 851 {
 852         struct ieee80211_local *local = wiphy_priv(wiphy);
 853         struct ieee80211_sub_if_data *sdata;
 854         struct mesh_path *mpath;
 855         struct sta_info *sta;
 856         int err;
 857
 858         if (!netif_running(dev))
 859                 return -ENETDOWN;
 860
 861         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 862
 863         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 864                 return -ENOTSUPP;
 865
 866         rcu_read_lock();
 867         sta = sta_info_get(local, next_hop);
 868         if (!sta) {
 869                 rcu_read_unlock();
 870                 return -ENOENT;
 871         }
 872
 873         err = mesh_path_add(dst, sdata);
 874         if (err) {
 875                 rcu_read_unlock();
 876                 return err;
 877         }
 878
 879         mpath = mesh_path_lookup(dst, sdata);
 880         if (!mpath) {
 881                 rcu_read_unlock();
 882                 return -ENXIO;
 883         }
 884         mesh_path_fix_nexthop(mpath, sta);
 885
 886         rcu_read_unlock();
 887         return 0;
 888 }
 889
 890 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 891                                  u8 *dst)
 892 {
 893         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 894
 895         if (dst)
 896                 return mesh_path_del(dst, sdata);
 897
 898         mesh_path_flush(sdata);
 899         return 0;
 900 }
 901
 902 static int ieee80211_change_mpath(struct wiphy *wiphy,
 903                                     struct net_device *dev,
 904                                     u8 *dst, u8 *next_hop)
 905 {
 906         struct ieee80211_local *local = wiphy_priv(wiphy);
 907         struct ieee80211_sub_if_data *sdata;
 908         struct mesh_path *mpath;
 909         struct sta_info *sta;
 910
 911         if (!netif_running(dev))
 912                 return -ENETDOWN;
 913
 914         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 915
 916         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 917                 return -ENOTSUPP;
 918
 919         rcu_read_lock();
 920
 921         sta = sta_info_get(local, next_hop);
 922         if (!sta) {
 923                 rcu_read_unlock();
 924                 return -ENOENT;
 925         }
 926
 927         mpath = mesh_path_lookup(dst, sdata);
 928         if (!mpath) {
 929                 rcu_read_unlock();
 930                 return -ENOENT;
 931         }
 932
 933         mesh_path_fix_nexthop(mpath, sta);
 934
 935         rcu_read_unlock();
 936         return 0;
 937 }
 938
 939 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 940                             struct mpath_info *pinfo)
 941 {
 942         if (mpath->next_hop)
 943                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 944         else
 945                 memset(next_hop, 0, ETH_ALEN);
 946
 947         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 948                         MPATH_INFO_DSN |
 949                         MPATH_INFO_METRIC |
 950                         MPATH_INFO_EXPTIME |
 951                         MPATH_INFO_DISCOVERY_TIMEOUT |
 952                         MPATH_INFO_DISCOVERY_RETRIES |
 953                         MPATH_INFO_FLAGS;
 954
 955         pinfo->frame_qlen = mpath->frame_queue.qlen;
 956         pinfo->dsn = mpath->dsn;
 957         pinfo->metric = mpath->metric;
 958         if (time_before(jiffies, mpath->exp_time))
 959                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 960         pinfo->discovery_timeout =
 961                         jiffies_to_msecs(mpath->discovery_timeout);
 962         pinfo->discovery_retries = mpath->discovery_retries;
 963         pinfo->flags = 0;
 964         if (mpath->flags & MESH_PATH_ACTIVE)
 965                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 966         if (mpath->flags & MESH_PATH_RESOLVING)
 967                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 968         if (mpath->flags & MESH_PATH_DSN_VALID)
 969                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 970         if (mpath->flags & MESH_PATH_FIXED)
 971                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 972         if (mpath->flags & MESH_PATH_RESOLVING)
 973                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 974
 975         pinfo->flags = mpath->flags;
 976 }
 977
 978 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 979                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 980
 981 {
 982         struct ieee80211_sub_if_data *sdata;
 983         struct mesh_path *mpath;
 984
 985         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 986
 987         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 988                 return -ENOTSUPP;
 989
 990         rcu_read_lock();
 991         mpath = mesh_path_lookup(dst, sdata);
 992         if (!mpath) {
 993                 rcu_read_unlock();
 994                 return -ENOENT;
 995         }
 996         memcpy(dst, mpath->dst, ETH_ALEN);
 997         mpath_set_pinfo(mpath, next_hop, pinfo);
 998         rcu_read_unlock();
 999         return 0;
1000 }
1001
1002 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1003                                  int idx, u8 *dst, u8 *next_hop,
1004                                  struct mpath_info *pinfo)
1005 {
1006         struct ieee80211_sub_if_data *sdata;
1007         struct mesh_path *mpath;
1008
1009         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010
1011         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1012                 return -ENOTSUPP;
1013
1014         rcu_read_lock();
1015         mpath = mesh_path_lookup_by_idx(idx, sdata);
1016         if (!mpath) {
1017                 rcu_read_unlock();
1018                 return -ENOENT;
1019         }
1020         memcpy(dst, mpath->dst, ETH_ALEN);
1021         mpath_set_pinfo(mpath, next_hop, pinfo);
1022         rcu_read_unlock();
1023         return 0;
1024 }
1025
1026 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1027                                 struct net_device *dev,
1028                                 struct mesh_config *conf)
1029 {
1030         struct ieee80211_sub_if_data *sdata;
1031         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1032
1033         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1034                 return -ENOTSUPP;
1035         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1036         return 0;
1037 }
1038
1039 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1040 {
1041         return (mask >> (parm-1)) & 0x1;
1042 }
1043
1044 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1045                                 struct net_device *dev,
1046                                 const struct mesh_config *nconf, u32 mask)
1047 {
1048         struct mesh_config *conf;
1049         struct ieee80211_sub_if_data *sdata;
1050         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1051
1052         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1053                 return -ENOTSUPP;
1054
1055         /* Set the config options which we are interested in setting */
1056         conf = &(sdata->u.mesh.mshcfg);
1057         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1058                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1059         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1060                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1061         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1062                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1063         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1064                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1065         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1066                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1067         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1068                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1069         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1070                 conf->auto_open_plinks = nconf->auto_open_plinks;
1071         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1072                 conf->dot11MeshHWMPmaxPREQretries =
1073                         nconf->dot11MeshHWMPmaxPREQretries;
1074         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1075                 conf->path_refresh_time = nconf->path_refresh_time;
1076         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1077                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1078         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1079                 conf->dot11MeshHWMPactivePathTimeout =
1080                         nconf->dot11MeshHWMPactivePathTimeout;
1081         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1082                 conf->dot11MeshHWMPpreqMinInterval =
1083                         nconf->dot11MeshHWMPpreqMinInterval;
1084         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1085                            mask))
1086                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1087                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1088         return 0;
1089 }
1090
1091 #endif
1092
1093 static int ieee80211_change_bss(struct wiphy *wiphy,
1094                                 struct net_device *dev,
1095                                 struct bss_parameters *params)
1096 {
1097         struct ieee80211_sub_if_data *sdata;
1098         u32 changed = 0;
1099
1100         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1101
1102         if (sdata->vif.type != NL80211_IFTYPE_AP)
1103                 return -EINVAL;
1104
1105         if (params->use_cts_prot >= 0) {
1106                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1107                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1108         }
1109         if (params->use_short_preamble >= 0) {
1110                 sdata->vif.bss_conf.use_short_preamble =
1111                         params->use_short_preamble;
1112                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1113         }
1114         if (params->use_short_slot_time >= 0) {
1115                 sdata->vif.bss_conf.use_short_slot =
1116                         params->use_short_slot_time;
1117                 changed |= BSS_CHANGED_ERP_SLOT;
1118         }
1119
1120         if (params->basic_rates) {
1121                 int i, j;
1122                 u32 rates = 0;
1123                 struct ieee80211_local *local = wiphy_priv(wiphy);
1124                 struct ieee80211_supported_band *sband =
1125                         wiphy->bands[local->oper_channel->band];
1126
1127                 for (i = 0; i < params->basic_rates_len; i++) {
1128                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1129                         for (j = 0; j < sband->n_bitrates; j++) {
1130                                 if (sband->bitrates[j].bitrate == rate)
1131                                         rates |= BIT(j);
1132                         }
1133                 }
1134                 sdata->vif.bss_conf.basic_rates = rates;
1135                 changed |= BSS_CHANGED_BASIC_RATES;
1136         }
1137
1138         ieee80211_bss_info_change_notify(sdata, changed);
1139
1140         return 0;
1141 }
1142
1143 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1144                                     struct ieee80211_txq_params *params)
1145 {
1146         struct ieee80211_local *local = wiphy_priv(wiphy);
1147         struct ieee80211_tx_queue_params p;
1148
1149         if (!local->ops->conf_tx)
1150                 return -EOPNOTSUPP;
1151
1152         memset(&p, 0, sizeof(p));
1153         p.aifs = params->aifs;
1154         p.cw_max = params->cwmax;
1155         p.cw_min = params->cwmin;
1156         p.txop = params->txop;
1157         if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
1158                 printk(KERN_DEBUG "%s: failed to set TX queue "
1159                        "parameters for queue %d\n", local->mdev->name,
1160                        params->queue);
1161                 return -EINVAL;
1162         }
1163
1164         return 0;
1165 }
1166
1167 static int ieee80211_set_channel(struct wiphy *wiphy,
1168                                  struct ieee80211_channel *chan,
1169                                  enum nl80211_channel_type channel_type)
1170 {
1171         struct ieee80211_local *local = wiphy_priv(wiphy);
1172
1173         local->oper_channel = chan;
1174         local->oper_channel_type = channel_type;
1175
1176         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1177 }
1178
1179 static int set_mgmt_extra_ie_sta(struct ieee80211_if_sta *ifsta, u8 subtype,
1180                                  u8 *ies, size_t ies_len)
1181 {
1182         switch (subtype) {
1183         case IEEE80211_STYPE_PROBE_REQ >> 4:
1184                 kfree(ifsta->ie_probereq);
1185                 ifsta->ie_probereq = ies;
1186                 ifsta->ie_probereq_len = ies_len;
1187                 return 0;
1188         case IEEE80211_STYPE_PROBE_RESP >> 4:
1189                 kfree(ifsta->ie_proberesp);
1190                 ifsta->ie_proberesp = ies;
1191                 ifsta->ie_proberesp_len = ies_len;
1192                 return 0;
1193         case IEEE80211_STYPE_AUTH >> 4:
1194                 kfree(ifsta->ie_auth);
1195                 ifsta->ie_auth = ies;
1196                 ifsta->ie_auth_len = ies_len;
1197                 return 0;
1198         case IEEE80211_STYPE_ASSOC_REQ >> 4:
1199                 kfree(ifsta->ie_assocreq);
1200                 ifsta->ie_assocreq = ies;
1201                 ifsta->ie_assocreq_len = ies_len;
1202                 return 0;
1203         case IEEE80211_STYPE_REASSOC_REQ >> 4:
1204                 kfree(ifsta->ie_reassocreq);
1205                 ifsta->ie_reassocreq = ies;
1206                 ifsta->ie_reassocreq_len = ies_len;
1207                 return 0;
1208         case IEEE80211_STYPE_DEAUTH >> 4:
1209                 kfree(ifsta->ie_deauth);
1210                 ifsta->ie_deauth = ies;
1211                 ifsta->ie_deauth_len = ies_len;
1212                 return 0;
1213         case IEEE80211_STYPE_DISASSOC >> 4:
1214                 kfree(ifsta->ie_disassoc);
1215                 ifsta->ie_disassoc = ies;
1216                 ifsta->ie_disassoc_len = ies_len;
1217                 return 0;
1218         }
1219
1220         return -EOPNOTSUPP;
1221 }
1222
1223 static int ieee80211_set_mgmt_extra_ie(struct wiphy *wiphy,
1224                                        struct net_device *dev,
1225                                        struct mgmt_extra_ie_params *params)
1226 {
1227         struct ieee80211_sub_if_data *sdata;
1228         u8 *ies;
1229         size_t ies_len;
1230         int ret = -EOPNOTSUPP;
1231
1232         if (params->ies) {
1233                 ies = kmemdup(params->ies, params->ies_len, GFP_KERNEL);
1234                 if (ies == NULL)
1235                         return -ENOMEM;
1236                 ies_len = params->ies_len;
1237         } else {
1238                 ies = NULL;
1239                 ies_len = 0;
1240         }
1241
1242         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1243
1244         switch (sdata->vif.type) {
1245         case NL80211_IFTYPE_STATION:
1246         case NL80211_IFTYPE_ADHOC:
1247                 ret = set_mgmt_extra_ie_sta(&sdata->u.sta, params->subtype,
1248                                             ies, ies_len);
1249                 break;
1250         default:
1251                 ret = -EOPNOTSUPP;
1252                 break;
1253         }
1254
1255         if (ret)
1256                 kfree(ies);
1257         return ret;
1258 }
1259
1260 #ifdef CONFIG_PM
1261 static int ieee80211_suspend(struct wiphy *wiphy)
1262 {
1263         return __ieee80211_suspend(wiphy_priv(wiphy));
1264 }
1265
1266 static int ieee80211_resume(struct wiphy *wiphy)
1267 {
1268         return __ieee80211_resume(wiphy_priv(wiphy));
1269 }
1270 #else
1271 #define ieee80211_suspend NULL
1272 #define ieee80211_resume NULL
1273 #endif
1274
1275 struct cfg80211_ops mac80211_config_ops = {
1276         .add_virtual_intf = ieee80211_add_iface,
1277         .del_virtual_intf = ieee80211_del_iface,
1278         .change_virtual_intf = ieee80211_change_iface,
1279         .add_key = ieee80211_add_key,
1280         .del_key = ieee80211_del_key,
1281         .get_key = ieee80211_get_key,
1282         .set_default_key = ieee80211_config_default_key,
1283         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1284         .add_beacon = ieee80211_add_beacon,
1285         .set_beacon = ieee80211_set_beacon,
1286         .del_beacon = ieee80211_del_beacon,
1287         .add_station = ieee80211_add_station,
1288         .del_station = ieee80211_del_station,
1289         .change_station = ieee80211_change_station,
1290         .get_station = ieee80211_get_station,
1291         .dump_station = ieee80211_dump_station,
1292 #ifdef CONFIG_MAC80211_MESH
1293         .add_mpath = ieee80211_add_mpath,
1294         .del_mpath = ieee80211_del_mpath,
1295         .change_mpath = ieee80211_change_mpath,
1296         .get_mpath = ieee80211_get_mpath,
1297         .dump_mpath = ieee80211_dump_mpath,
1298         .set_mesh_params = ieee80211_set_mesh_params,
1299         .get_mesh_params = ieee80211_get_mesh_params,
1300 #endif
1301         .change_bss = ieee80211_change_bss,
1302         .set_txq_params = ieee80211_set_txq_params,
1303         .set_channel = ieee80211_set_channel,
1304         .set_mgmt_extra_ie = ieee80211_set_mgmt_extra_ie,
1305         .suspend = ieee80211_suspend,
1306         .resume = ieee80211_resume,
1307 };