SAFE public projects git trees. - safe/jmp/linux-2.6/blob - net/mac80211/cfg.c

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