net/mac80211/cfg.c

   1 /*
   2  * mac80211 configuration hooks for cfg80211
   3  *
   4  * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
   5  *
   6  * This file is GPLv2 as found in COPYING.
   7  */
   8
   9 #include <linux/ieee80211.h>
  10 #include <linux/nl80211.h>
  11 #include <linux/rtnetlink.h>
  12 #include <net/net_namespace.h>
  13 #include <linux/rcupdate.h>
  14 #include <net/cfg80211.h>
  15 #include "ieee80211_i.h"
  16 #include "driver-ops.h"
  17 #include "cfg.h"
  18 #include "rate.h"
  19 #include "mesh.h"
  20
  21 static bool nl80211_type_check(enum nl80211_iftype type)
  22 {
  23         switch (type) {
  24         case NL80211_IFTYPE_ADHOC:
  25         case NL80211_IFTYPE_STATION:
  26         case NL80211_IFTYPE_MONITOR:
  27 #ifdef CONFIG_MAC80211_MESH
  28         case NL80211_IFTYPE_MESH_POINT:
  29 #endif
  30         case NL80211_IFTYPE_AP:
  31         case NL80211_IFTYPE_AP_VLAN:
  32         case NL80211_IFTYPE_WDS:
  33                 return true;
  34         default:
  35                 return false;
  36         }
  37 }
  38
  39 static bool nl80211_params_check(enum nl80211_iftype type,
  40                                  struct vif_params *params)
  41 {
  42         if (!nl80211_type_check(type))
  43                 return false;
  44
  45         if (params->use_4addr > 0) {
  46                 switch(type) {
  47                 case NL80211_IFTYPE_AP_VLAN:
  48                 case NL80211_IFTYPE_STATION:
  49                         break;
  50                 default:
  51                         return false;
  52                 }
  53         }
  54         return true;
  55 }
  56
  57 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  58                                enum nl80211_iftype type, u32 *flags,
  59                                struct vif_params *params)
  60 {
  61         struct ieee80211_local *local = wiphy_priv(wiphy);
  62         struct net_device *dev;
  63         struct ieee80211_sub_if_data *sdata;
  64         int err;
  65
  66         if (!nl80211_params_check(type, params))
  67                 return -EINVAL;
  68
  69         err = ieee80211_if_add(local, name, &dev, type, params);
  70         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  71                 return err;
  72
  73         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  74         sdata->u.mntr_flags = *flags;
  75         return 0;
  76 }
  77
  78 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
  79 {
  80         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
  81
  82         return 0;
  83 }
  84
  85 static int ieee80211_change_iface(struct wiphy *wiphy,
  86                                   struct net_device *dev,
  87                                   enum nl80211_iftype type, u32 *flags,
  88                                   struct vif_params *params)
  89 {
  90         struct ieee80211_sub_if_data *sdata;
  91         int ret;
  92
  93         if (netif_running(dev))
  94                 return -EBUSY;
  95
  96         if (!nl80211_params_check(type, params))
  97                 return -EINVAL;
  98
  99         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 100
 101         ret = ieee80211_if_change_type(sdata, type);
 102         if (ret)
 103                 return ret;
 104
 105         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 106                 ieee80211_sdata_set_mesh_id(sdata,
 107                                             params->mesh_id_len,
 108                                             params->mesh_id);
 109
 110         if (params->use_4addr >= 0)
 111                 sdata->use_4addr = !!params->use_4addr;
 112
 113         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 114                 return 0;
 115
 116         sdata->u.mntr_flags = *flags;
 117         return 0;
 118 }
 119
 120 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 121                              u8 key_idx, const u8 *mac_addr,
 122                              struct key_params *params)
 123 {
 124         struct ieee80211_sub_if_data *sdata;
 125         struct sta_info *sta = NULL;
 126         enum ieee80211_key_alg alg;
 127         struct ieee80211_key *key;
 128         int err;
 129
 130         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 131
 132         switch (params->cipher) {
 133         case WLAN_CIPHER_SUITE_WEP40:
 134         case WLAN_CIPHER_SUITE_WEP104:
 135                 alg = ALG_WEP;
 136                 break;
 137         case WLAN_CIPHER_SUITE_TKIP:
 138                 alg = ALG_TKIP;
 139                 break;
 140         case WLAN_CIPHER_SUITE_CCMP:
 141                 alg = ALG_CCMP;
 142                 break;
 143         case WLAN_CIPHER_SUITE_AES_CMAC:
 144                 alg = ALG_AES_CMAC;
 145                 break;
 146         default:
 147                 return -EINVAL;
 148         }
 149
 150         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
 151                                   params->seq_len, params->seq);
 152         if (!key)
 153                 return -ENOMEM;
 154
 155         rcu_read_lock();
 156
 157         if (mac_addr) {
 158                 sta = sta_info_get(sdata->local, mac_addr);
 159                 if (!sta) {
 160                         ieee80211_key_free(key);
 161                         err = -ENOENT;
 162                         goto out_unlock;
 163                 }
 164         }
 165
 166         ieee80211_key_link(key, sdata, sta);
 167
 168         err = 0;
 169  out_unlock:
 170         rcu_read_unlock();
 171
 172         return err;
 173 }
 174
 175 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 176                              u8 key_idx, const u8 *mac_addr)
 177 {
 178         struct ieee80211_sub_if_data *sdata;
 179         struct sta_info *sta;
 180         int ret;
 181
 182         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 183
 184         rcu_read_lock();
 185
 186         if (mac_addr) {
 187                 ret = -ENOENT;
 188
 189                 sta = sta_info_get(sdata->local, mac_addr);
 190                 if (!sta)
 191                         goto out_unlock;
 192
 193                 if (sta->key) {
 194                         ieee80211_key_free(sta->key);
 195                         WARN_ON(sta->key);
 196                         ret = 0;
 197                 }
 198
 199                 goto out_unlock;
 200         }
 201
 202         if (!sdata->keys[key_idx]) {
 203                 ret = -ENOENT;
 204                 goto out_unlock;
 205         }
 206
 207         ieee80211_key_free(sdata->keys[key_idx]);
 208         WARN_ON(sdata->keys[key_idx]);
 209
 210         ret = 0;
 211  out_unlock:
 212         rcu_read_unlock();
 213
 214         return ret;
 215 }
 216
 217 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 218                              u8 key_idx, const u8 *mac_addr, void *cookie,
 219                              void (*callback)(void *cookie,
 220                                               struct key_params *params))
 221 {
 222         struct ieee80211_sub_if_data *sdata;
 223         struct sta_info *sta = NULL;
 224         u8 seq[6] = {0};
 225         struct key_params params;
 226         struct ieee80211_key *key;
 227         u32 iv32;
 228         u16 iv16;
 229         int err = -ENOENT;
 230
 231         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 232
 233         rcu_read_lock();
 234
 235         if (mac_addr) {
 236                 sta = sta_info_get(sdata->local, mac_addr);
 237                 if (!sta)
 238                         goto out;
 239
 240                 key = sta->key;
 241         } else
 242                 key = sdata->keys[key_idx];
 243
 244         if (!key)
 245                 goto out;
 246
 247         memset(&params, 0, sizeof(params));
 248
 249         switch (key->conf.alg) {
 250         case ALG_TKIP:
 251                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 252
 253                 iv32 = key->u.tkip.tx.iv32;
 254                 iv16 = key->u.tkip.tx.iv16;
 255
 256                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 257                         drv_get_tkip_seq(sdata->local,
 258                                          key->conf.hw_key_idx,
 259                                          &iv32, &iv16);
 260
 261                 seq[0] = iv16 & 0xff;
 262                 seq[1] = (iv16 >> 8) & 0xff;
 263                 seq[2] = iv32 & 0xff;
 264                 seq[3] = (iv32 >> 8) & 0xff;
 265                 seq[4] = (iv32 >> 16) & 0xff;
 266                 seq[5] = (iv32 >> 24) & 0xff;
 267                 params.seq = seq;
 268                 params.seq_len = 6;
 269                 break;
 270         case ALG_CCMP:
 271                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 272                 seq[0] = key->u.ccmp.tx_pn[5];
 273                 seq[1] = key->u.ccmp.tx_pn[4];
 274                 seq[2] = key->u.ccmp.tx_pn[3];
 275                 seq[3] = key->u.ccmp.tx_pn[2];
 276                 seq[4] = key->u.ccmp.tx_pn[1];
 277                 seq[5] = key->u.ccmp.tx_pn[0];
 278                 params.seq = seq;
 279                 params.seq_len = 6;
 280                 break;
 281         case ALG_WEP:
 282                 if (key->conf.keylen == 5)
 283                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 284                 else
 285                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 286                 break;
 287         case ALG_AES_CMAC:
 288                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 289                 seq[0] = key->u.aes_cmac.tx_pn[5];
 290                 seq[1] = key->u.aes_cmac.tx_pn[4];
 291                 seq[2] = key->u.aes_cmac.tx_pn[3];
 292                 seq[3] = key->u.aes_cmac.tx_pn[2];
 293                 seq[4] = key->u.aes_cmac.tx_pn[1];
 294                 seq[5] = key->u.aes_cmac.tx_pn[0];
 295                 params.seq = seq;
 296                 params.seq_len = 6;
 297                 break;
 298         }
 299
 300         params.key = key->conf.key;
 301         params.key_len = key->conf.keylen;
 302
 303         callback(cookie, &params);
 304         err = 0;
 305
 306  out:
 307         rcu_read_unlock();
 308         return err;
 309 }
 310
 311 static int ieee80211_config_default_key(struct wiphy *wiphy,
 312                                         struct net_device *dev,
 313                                         u8 key_idx)
 314 {
 315         struct ieee80211_sub_if_data *sdata;
 316
 317         rcu_read_lock();
 318
 319         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 320         ieee80211_set_default_key(sdata, key_idx);
 321
 322         rcu_read_unlock();
 323
 324         return 0;
 325 }
 326
 327 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 328                                              struct net_device *dev,
 329                                              u8 key_idx)
 330 {
 331         struct ieee80211_sub_if_data *sdata;
 332
 333         rcu_read_lock();
 334
 335         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 336         ieee80211_set_default_mgmt_key(sdata, key_idx);
 337
 338         rcu_read_unlock();
 339
 340         return 0;
 341 }
 342
 343 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 344 {
 345         struct ieee80211_sub_if_data *sdata = sta->sdata;
 346
 347         sinfo->generation = sdata->local->sta_generation;
 348
 349         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 350                         STATION_INFO_RX_BYTES |
 351                         STATION_INFO_TX_BYTES |
 352                         STATION_INFO_RX_PACKETS |
 353                         STATION_INFO_TX_PACKETS |
 354                         STATION_INFO_TX_BITRATE;
 355
 356         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 357         sinfo->rx_bytes = sta->rx_bytes;
 358         sinfo->tx_bytes = sta->tx_bytes;
 359         sinfo->rx_packets = sta->rx_packets;
 360         sinfo->tx_packets = sta->tx_packets;
 361
 362         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 363                 sinfo->filled |= STATION_INFO_SIGNAL;
 364                 sinfo->signal = (s8)sta->last_signal;
 365         }
 366
 367         sinfo->txrate.flags = 0;
 368         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 369                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 370         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 371                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 372         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 373                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 374
 375         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 376                 struct ieee80211_supported_band *sband;
 377                 sband = sta->local->hw.wiphy->bands[
 378                                 sta->local->hw.conf.channel->band];
 379                 sinfo->txrate.legacy =
 380                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 381         } else
 382                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 383
 384         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 385 #ifdef CONFIG_MAC80211_MESH
 386                 sinfo->filled |= STATION_INFO_LLID |
 387                                  STATION_INFO_PLID |
 388                                  STATION_INFO_PLINK_STATE;
 389
 390                 sinfo->llid = le16_to_cpu(sta->llid);
 391                 sinfo->plid = le16_to_cpu(sta->plid);
 392                 sinfo->plink_state = sta->plink_state;
 393 #endif
 394         }
 395 }
 396
 397
 398 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 399                                  int idx, u8 *mac, struct station_info *sinfo)
 400 {
 401         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 402         struct sta_info *sta;
 403         int ret = -ENOENT;
 404
 405         rcu_read_lock();
 406
 407         sta = sta_info_get_by_idx(sdata, idx);
 408         if (sta) {
 409                 ret = 0;
 410                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 411                 sta_set_sinfo(sta, sinfo);
 412         }
 413
 414         rcu_read_unlock();
 415
 416         return ret;
 417 }
 418
 419 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 420                                  u8 *mac, struct station_info *sinfo)
 421 {
 422         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 423         struct sta_info *sta;
 424         int ret = -ENOENT;
 425
 426         rcu_read_lock();
 427
 428         /* XXX: verify sta->dev == dev */
 429
 430         sta = sta_info_get(local, mac);
 431         if (sta) {
 432                 ret = 0;
 433                 sta_set_sinfo(sta, sinfo);
 434         }
 435
 436         rcu_read_unlock();
 437
 438         return ret;
 439 }
 440
 441 /*
 442  * This handles both adding a beacon and setting new beacon info
 443  */
 444 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 445                                    struct beacon_parameters *params)
 446 {
 447         struct beacon_data *new, *old;
 448         int new_head_len, new_tail_len;
 449         int size;
 450         int err = -EINVAL;
 451
 452         old = sdata->u.ap.beacon;
 453
 454         /* head must not be zero-length */
 455         if (params->head && !params->head_len)
 456                 return -EINVAL;
 457
 458         /*
 459          * This is a kludge. beacon interval should really be part
 460          * of the beacon information.
 461          */
 462         if (params->interval &&
 463             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 464                 sdata->vif.bss_conf.beacon_int = params->interval;
 465                 ieee80211_bss_info_change_notify(sdata,
 466                                                  BSS_CHANGED_BEACON_INT);
 467         }
 468
 469         /* Need to have a beacon head if we don't have one yet */
 470         if (!params->head && !old)
 471                 return err;
 472
 473         /* sorry, no way to start beaconing without dtim period */
 474         if (!params->dtim_period && !old)
 475                 return err;
 476
 477         /* new or old head? */
 478         if (params->head)
 479                 new_head_len = params->head_len;
 480         else
 481                 new_head_len = old->head_len;
 482
 483         /* new or old tail? */
 484         if (params->tail || !old)
 485                 /* params->tail_len will be zero for !params->tail */
 486                 new_tail_len = params->tail_len;
 487         else
 488                 new_tail_len = old->tail_len;
 489
 490         size = sizeof(*new) + new_head_len + new_tail_len;
 491
 492         new = kzalloc(size, GFP_KERNEL);
 493         if (!new)
 494                 return -ENOMEM;
 495
 496         /* start filling the new info now */
 497
 498         /* new or old dtim period? */
 499         if (params->dtim_period)
 500                 new->dtim_period = params->dtim_period;
 501         else
 502                 new->dtim_period = old->dtim_period;
 503
 504         /*
 505          * pointers go into the block we allocated,
 506          * memory is | beacon_data | head | tail |
 507          */
 508         new->head = ((u8 *) new) + sizeof(*new);
 509         new->tail = new->head + new_head_len;
 510         new->head_len = new_head_len;
 511         new->tail_len = new_tail_len;
 512
 513         /* copy in head */
 514         if (params->head)
 515                 memcpy(new->head, params->head, new_head_len);
 516         else
 517                 memcpy(new->head, old->head, new_head_len);
 518
 519         /* copy in optional tail */
 520         if (params->tail)
 521                 memcpy(new->tail, params->tail, new_tail_len);
 522         else
 523                 if (old)
 524                         memcpy(new->tail, old->tail, new_tail_len);
 525
 526         rcu_assign_pointer(sdata->u.ap.beacon, new);
 527
 528         synchronize_rcu();
 529
 530         kfree(old);
 531
 532         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 533                                                 BSS_CHANGED_BEACON);
 534         return 0;
 535 }
 536
 537 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 538                                 struct beacon_parameters *params)
 539 {
 540         struct ieee80211_sub_if_data *sdata;
 541         struct beacon_data *old;
 542
 543         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 544
 545         old = sdata->u.ap.beacon;
 546
 547         if (old)
 548                 return -EALREADY;
 549
 550         return ieee80211_config_beacon(sdata, params);
 551 }
 552
 553 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 554                                 struct beacon_parameters *params)
 555 {
 556         struct ieee80211_sub_if_data *sdata;
 557         struct beacon_data *old;
 558
 559         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 560
 561         old = sdata->u.ap.beacon;
 562
 563         if (!old)
 564                 return -ENOENT;
 565
 566         return ieee80211_config_beacon(sdata, params);
 567 }
 568
 569 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 570 {
 571         struct ieee80211_sub_if_data *sdata;
 572         struct beacon_data *old;
 573
 574         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 575
 576         old = sdata->u.ap.beacon;
 577
 578         if (!old)
 579                 return -ENOENT;
 580
 581         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 582         synchronize_rcu();
 583         kfree(old);
 584
 585         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 586         return 0;
 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         u32 mask, set;
 642
 643         sband = local->hw.wiphy->bands[local->oper_channel->band];
 644
 645         spin_lock_bh(&sta->lock);
 646         mask = params->sta_flags_mask;
 647         set = params->sta_flags_set;
 648
 649         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 650                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 651                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 652                         sta->flags |= WLAN_STA_AUTHORIZED;
 653         }
 654
 655         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 656                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 657                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 658                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 659         }
 660
 661         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 662                 sta->flags &= ~WLAN_STA_WME;
 663                 if (set & BIT(NL80211_STA_FLAG_WME))
 664                         sta->flags |= WLAN_STA_WME;
 665         }
 666
 667         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 668                 sta->flags &= ~WLAN_STA_MFP;
 669                 if (set & BIT(NL80211_STA_FLAG_MFP))
 670                         sta->flags |= WLAN_STA_MFP;
 671         }
 672         spin_unlock_bh(&sta->lock);
 673
 674         /*
 675          * cfg80211 validates this (1-2007) and allows setting the AID
 676          * only when creating a new station entry
 677          */
 678         if (params->aid)
 679                 sta->sta.aid = params->aid;
 680
 681         /*
 682          * FIXME: updating the following information is racy when this
 683          *        function is called from ieee80211_change_station().
 684          *        However, all this information should be static so
 685          *        maybe we should just reject attemps to change it.
 686          */
 687
 688         if (params->listen_interval >= 0)
 689                 sta->listen_interval = params->listen_interval;
 690
 691         if (params->supported_rates) {
 692                 rates = 0;
 693
 694                 for (i = 0; i < params->supported_rates_len; i++) {
 695                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 696                         for (j = 0; j < sband->n_bitrates; j++) {
 697                                 if (sband->bitrates[j].bitrate == rate)
 698                                         rates |= BIT(j);
 699                         }
 700                 }
 701                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 702         }
 703
 704         if (params->ht_capa)
 705                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 706                                                   params->ht_capa,
 707                                                   &sta->sta.ht_cap);
 708
 709         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 710                 switch (params->plink_action) {
 711                 case PLINK_ACTION_OPEN:
 712                         mesh_plink_open(sta);
 713                         break;
 714                 case PLINK_ACTION_BLOCK:
 715                         mesh_plink_block(sta);
 716                         break;
 717                 }
 718         }
 719 }
 720
 721 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 722                                  u8 *mac, struct station_parameters *params)
 723 {
 724         struct ieee80211_local *local = wiphy_priv(wiphy);
 725         struct sta_info *sta;
 726         struct ieee80211_sub_if_data *sdata;
 727         int err;
 728         int layer2_update;
 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                 rcu_read_unlock();
 763                 return err;
 764         }
 765
 766         if (layer2_update)
 767                 ieee80211_send_layer2_update(sta);
 768
 769         rcu_read_unlock();
 770
 771         return 0;
 772 }
 773
 774 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 775                                  u8 *mac)
 776 {
 777         struct ieee80211_local *local = wiphy_priv(wiphy);
 778         struct ieee80211_sub_if_data *sdata;
 779         struct sta_info *sta;
 780
 781         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 782
 783         if (mac) {
 784                 rcu_read_lock();
 785
 786                 /* XXX: get sta belonging to dev */
 787                 sta = sta_info_get(local, mac);
 788                 if (!sta) {
 789                         rcu_read_unlock();
 790                         return -ENOENT;
 791                 }
 792
 793                 sta_info_unlink(&sta);
 794                 rcu_read_unlock();
 795
 796                 sta_info_destroy(sta);
 797         } else
 798                 sta_info_flush(local, sdata);
 799
 800         return 0;
 801 }
 802
 803 static int ieee80211_change_station(struct wiphy *wiphy,
 804                                     struct net_device *dev,
 805                                     u8 *mac,
 806                                     struct station_parameters *params)
 807 {
 808         struct ieee80211_local *local = wiphy_priv(wiphy);
 809         struct sta_info *sta;
 810         struct ieee80211_sub_if_data *vlansdata;
 811
 812         rcu_read_lock();
 813
 814         /* XXX: get sta belonging to dev */
 815         sta = sta_info_get(local, mac);
 816         if (!sta) {
 817                 rcu_read_unlock();
 818                 return -ENOENT;
 819         }
 820
 821         if (params->vlan && params->vlan != sta->sdata->dev) {
 822                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 823
 824                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 825                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 826                         rcu_read_unlock();
 827                         return -EINVAL;
 828                 }
 829
 830                 if (vlansdata->use_4addr) {
 831                         if (vlansdata->u.vlan.sta)
 832                                 return -EBUSY;
 833
 834                         rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
 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         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 859
 860         rcu_read_lock();
 861         sta = sta_info_get(local, next_hop);
 862         if (!sta) {
 863                 rcu_read_unlock();
 864                 return -ENOENT;
 865         }
 866
 867         err = mesh_path_add(dst, sdata);
 868         if (err) {
 869                 rcu_read_unlock();
 870                 return err;
 871         }
 872
 873         mpath = mesh_path_lookup(dst, sdata);
 874         if (!mpath) {
 875                 rcu_read_unlock();
 876                 return -ENXIO;
 877         }
 878         mesh_path_fix_nexthop(mpath, sta);
 879
 880         rcu_read_unlock();
 881         return 0;
 882 }
 883
 884 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 885                                  u8 *dst)
 886 {
 887         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 888
 889         if (dst)
 890                 return mesh_path_del(dst, sdata);
 891
 892         mesh_path_flush(sdata);
 893         return 0;
 894 }
 895
 896 static int ieee80211_change_mpath(struct wiphy *wiphy,
 897                                     struct net_device *dev,
 898                                     u8 *dst, u8 *next_hop)
 899 {
 900         struct ieee80211_local *local = wiphy_priv(wiphy);
 901         struct ieee80211_sub_if_data *sdata;
 902         struct mesh_path *mpath;
 903         struct sta_info *sta;
 904
 905         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 906
 907         rcu_read_lock();
 908
 909         sta = sta_info_get(local, next_hop);
 910         if (!sta) {
 911                 rcu_read_unlock();
 912                 return -ENOENT;
 913         }
 914
 915         mpath = mesh_path_lookup(dst, sdata);
 916         if (!mpath) {
 917                 rcu_read_unlock();
 918                 return -ENOENT;
 919         }
 920
 921         mesh_path_fix_nexthop(mpath, sta);
 922
 923         rcu_read_unlock();
 924         return 0;
 925 }
 926
 927 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 928                             struct mpath_info *pinfo)
 929 {
 930         if (mpath->next_hop)
 931                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 932         else
 933                 memset(next_hop, 0, ETH_ALEN);
 934
 935         pinfo->generation = mesh_paths_generation;
 936
 937         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 938                         MPATH_INFO_SN |
 939                         MPATH_INFO_METRIC |
 940                         MPATH_INFO_EXPTIME |
 941                         MPATH_INFO_DISCOVERY_TIMEOUT |
 942                         MPATH_INFO_DISCOVERY_RETRIES |
 943                         MPATH_INFO_FLAGS;
 944
 945         pinfo->frame_qlen = mpath->frame_queue.qlen;
 946         pinfo->sn = mpath->sn;
 947         pinfo->metric = mpath->metric;
 948         if (time_before(jiffies, mpath->exp_time))
 949                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 950         pinfo->discovery_timeout =
 951                         jiffies_to_msecs(mpath->discovery_timeout);
 952         pinfo->discovery_retries = mpath->discovery_retries;
 953         pinfo->flags = 0;
 954         if (mpath->flags & MESH_PATH_ACTIVE)
 955                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 956         if (mpath->flags & MESH_PATH_RESOLVING)
 957                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 958         if (mpath->flags & MESH_PATH_SN_VALID)
 959                 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
 960         if (mpath->flags & MESH_PATH_FIXED)
 961                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 962         if (mpath->flags & MESH_PATH_RESOLVING)
 963                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 964
 965         pinfo->flags = mpath->flags;
 966 }
 967
 968 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 969                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 970
 971 {
 972         struct ieee80211_sub_if_data *sdata;
 973         struct mesh_path *mpath;
 974
 975         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 976
 977         rcu_read_lock();
 978         mpath = mesh_path_lookup(dst, sdata);
 979         if (!mpath) {
 980                 rcu_read_unlock();
 981                 return -ENOENT;
 982         }
 983         memcpy(dst, mpath->dst, ETH_ALEN);
 984         mpath_set_pinfo(mpath, next_hop, pinfo);
 985         rcu_read_unlock();
 986         return 0;
 987 }
 988
 989 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 990                                  int idx, u8 *dst, u8 *next_hop,
 991                                  struct mpath_info *pinfo)
 992 {
 993         struct ieee80211_sub_if_data *sdata;
 994         struct mesh_path *mpath;
 995
 996         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 997
 998         rcu_read_lock();
 999         mpath = mesh_path_lookup_by_idx(idx, sdata);
1000         if (!mpath) {
1001                 rcu_read_unlock();
1002                 return -ENOENT;
1003         }
1004         memcpy(dst, mpath->dst, ETH_ALEN);
1005         mpath_set_pinfo(mpath, next_hop, pinfo);
1006         rcu_read_unlock();
1007         return 0;
1008 }
1009
1010 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1011                                 struct net_device *dev,
1012                                 struct mesh_config *conf)
1013 {
1014         struct ieee80211_sub_if_data *sdata;
1015         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1016
1017         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1018         return 0;
1019 }
1020
1021 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1022 {
1023         return (mask >> (parm-1)) & 0x1;
1024 }
1025
1026 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1027                                 struct net_device *dev,
1028                                 const struct mesh_config *nconf, u32 mask)
1029 {
1030         struct mesh_config *conf;
1031         struct ieee80211_sub_if_data *sdata;
1032         struct ieee80211_if_mesh *ifmsh;
1033
1034         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1035         ifmsh = &sdata->u.mesh;
1036
1037         /* Set the config options which we are interested in setting */
1038         conf = &(sdata->u.mesh.mshcfg);
1039         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1040                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1041         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1042                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1043         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1044                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1045         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1046                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1047         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1048                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1049         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1050                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1051         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1052                 conf->auto_open_plinks = nconf->auto_open_plinks;
1053         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1054                 conf->dot11MeshHWMPmaxPREQretries =
1055                         nconf->dot11MeshHWMPmaxPREQretries;
1056         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1057                 conf->path_refresh_time = nconf->path_refresh_time;
1058         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1059                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1060         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1061                 conf->dot11MeshHWMPactivePathTimeout =
1062                         nconf->dot11MeshHWMPactivePathTimeout;
1063         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1064                 conf->dot11MeshHWMPpreqMinInterval =
1065                         nconf->dot11MeshHWMPpreqMinInterval;
1066         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1067                            mask))
1068                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1069                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1070         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1071                 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1072                 ieee80211_mesh_root_setup(ifmsh);
1073         }
1074         return 0;
1075 }
1076
1077 #endif
1078
1079 static int ieee80211_change_bss(struct wiphy *wiphy,
1080                                 struct net_device *dev,
1081                                 struct bss_parameters *params)
1082 {
1083         struct ieee80211_sub_if_data *sdata;
1084         u32 changed = 0;
1085
1086         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1087
1088         if (params->use_cts_prot >= 0) {
1089                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1090                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1091         }
1092         if (params->use_short_preamble >= 0) {
1093                 sdata->vif.bss_conf.use_short_preamble =
1094                         params->use_short_preamble;
1095                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1096         }
1097         if (params->use_short_slot_time >= 0) {
1098                 sdata->vif.bss_conf.use_short_slot =
1099                         params->use_short_slot_time;
1100                 changed |= BSS_CHANGED_ERP_SLOT;
1101         }
1102
1103         if (params->basic_rates) {
1104                 int i, j;
1105                 u32 rates = 0;
1106                 struct ieee80211_local *local = wiphy_priv(wiphy);
1107                 struct ieee80211_supported_band *sband =
1108                         wiphy->bands[local->oper_channel->band];
1109
1110                 for (i = 0; i < params->basic_rates_len; i++) {
1111                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1112                         for (j = 0; j < sband->n_bitrates; j++) {
1113                                 if (sband->bitrates[j].bitrate == rate)
1114                                         rates |= BIT(j);
1115                         }
1116                 }
1117                 sdata->vif.bss_conf.basic_rates = rates;
1118                 changed |= BSS_CHANGED_BASIC_RATES;
1119         }
1120
1121         ieee80211_bss_info_change_notify(sdata, changed);
1122
1123         return 0;
1124 }
1125
1126 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1127                                     struct ieee80211_txq_params *params)
1128 {
1129         struct ieee80211_local *local = wiphy_priv(wiphy);
1130         struct ieee80211_tx_queue_params p;
1131
1132         if (!local->ops->conf_tx)
1133                 return -EOPNOTSUPP;
1134
1135         memset(&p, 0, sizeof(p));
1136         p.aifs = params->aifs;
1137         p.cw_max = params->cwmax;
1138         p.cw_min = params->cwmin;
1139         p.txop = params->txop;
1140         if (drv_conf_tx(local, params->queue, &p)) {
1141                 printk(KERN_DEBUG "%s: failed to set TX queue "
1142                        "parameters for queue %d\n",
1143                        wiphy_name(local->hw.wiphy), params->queue);
1144                 return -EINVAL;
1145         }
1146
1147         return 0;
1148 }
1149
1150 static int ieee80211_set_channel(struct wiphy *wiphy,
1151                                  struct ieee80211_channel *chan,
1152                                  enum nl80211_channel_type channel_type)
1153 {
1154         struct ieee80211_local *local = wiphy_priv(wiphy);
1155
1156         local->oper_channel = chan;
1157         local->oper_channel_type = channel_type;
1158
1159         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1160 }
1161
1162 #ifdef CONFIG_PM
1163 static int ieee80211_suspend(struct wiphy *wiphy)
1164 {
1165         return __ieee80211_suspend(wiphy_priv(wiphy));
1166 }
1167
1168 static int ieee80211_resume(struct wiphy *wiphy)
1169 {
1170         return __ieee80211_resume(wiphy_priv(wiphy));
1171 }
1172 #else
1173 #define ieee80211_suspend NULL
1174 #define ieee80211_resume NULL
1175 #endif
1176
1177 static int ieee80211_scan(struct wiphy *wiphy,
1178                           struct net_device *dev,
1179                           struct cfg80211_scan_request *req)
1180 {
1181         struct ieee80211_sub_if_data *sdata;
1182
1183         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1184
1185         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1186             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1187             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1188             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1189                 return -EOPNOTSUPP;
1190
1191         return ieee80211_request_scan(sdata, req);
1192 }
1193
1194 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1195                           struct cfg80211_auth_request *req)
1196 {
1197         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1198 }
1199
1200 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1201                            struct cfg80211_assoc_request *req)
1202 {
1203         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1204 }
1205
1206 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1207                             struct cfg80211_deauth_request *req,
1208                             void *cookie)
1209 {
1210         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1211                                     req, cookie);
1212 }
1213
1214 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1215                               struct cfg80211_disassoc_request *req,
1216                               void *cookie)
1217 {
1218         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1219                                       req, cookie);
1220 }
1221
1222 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1223                                struct cfg80211_ibss_params *params)
1224 {
1225         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1226
1227         return ieee80211_ibss_join(sdata, params);
1228 }
1229
1230 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1231 {
1232         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1233
1234         return ieee80211_ibss_leave(sdata);
1235 }
1236
1237 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1238 {
1239         struct ieee80211_local *local = wiphy_priv(wiphy);
1240         int err;
1241
1242         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1243                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1244
1245                 if (err)
1246                         return err;
1247         }
1248
1249         if (changed & WIPHY_PARAM_RETRY_SHORT)
1250                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1251         if (changed & WIPHY_PARAM_RETRY_LONG)
1252                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1253         if (changed &
1254             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1255                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1256
1257         return 0;
1258 }
1259
1260 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1261                                   enum tx_power_setting type, int dbm)
1262 {
1263         struct ieee80211_local *local = wiphy_priv(wiphy);
1264         struct ieee80211_channel *chan = local->hw.conf.channel;
1265         u32 changes = 0;
1266
1267         switch (type) {
1268         case TX_POWER_AUTOMATIC:
1269                 local->user_power_level = -1;
1270                 break;
1271         case TX_POWER_LIMITED:
1272                 if (dbm < 0)
1273                         return -EINVAL;
1274                 local->user_power_level = dbm;
1275                 break;
1276         case TX_POWER_FIXED:
1277                 if (dbm < 0)
1278                         return -EINVAL;
1279                 /* TODO: move to cfg80211 when it knows the channel */
1280                 if (dbm > chan->max_power)
1281                         return -EINVAL;
1282                 local->user_power_level = dbm;
1283                 break;
1284         }
1285
1286         ieee80211_hw_config(local, changes);
1287
1288         return 0;
1289 }
1290
1291 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1292 {
1293         struct ieee80211_local *local = wiphy_priv(wiphy);
1294
1295         *dbm = local->hw.conf.power_level;
1296
1297         return 0;
1298 }
1299
1300 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1301                                   u8 *addr)
1302 {
1303         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1304
1305         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1306
1307         return 0;
1308 }
1309
1310 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1311 {
1312         struct ieee80211_local *local = wiphy_priv(wiphy);
1313
1314         drv_rfkill_poll(local);
1315 }
1316
1317 #ifdef CONFIG_NL80211_TESTMODE
1318 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1319 {
1320         struct ieee80211_local *local = wiphy_priv(wiphy);
1321
1322         if (!local->ops->testmode_cmd)
1323                 return -EOPNOTSUPP;
1324
1325         return local->ops->testmode_cmd(&local->hw, data, len);
1326 }
1327 #endif
1328
1329 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1330                                     bool enabled, int timeout)
1331 {
1332         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1333         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1334         struct ieee80211_conf *conf = &local->hw.conf;
1335
1336         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1337                 return -EOPNOTSUPP;
1338
1339         if (enabled == sdata->u.mgd.powersave &&
1340             timeout == conf->dynamic_ps_timeout)
1341                 return 0;
1342
1343         sdata->u.mgd.powersave = enabled;
1344         conf->dynamic_ps_timeout = timeout;
1345
1346         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1347                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1348
1349         ieee80211_recalc_ps(local, -1);
1350
1351         return 0;
1352 }
1353
1354 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1355                                       struct net_device *dev,
1356                                       const u8 *addr,
1357                                       const struct cfg80211_bitrate_mask *mask)
1358 {
1359         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1360         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1361         int i, err = -EINVAL;
1362         u32 target_rate;
1363         struct ieee80211_supported_band *sband;
1364
1365         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1366
1367         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1368          * target_rate = X, rate->fixed = 1 means only rate X
1369          * target_rate = X, rate->fixed = 0 means all rates <= X */
1370         sdata->max_ratectrl_rateidx = -1;
1371         sdata->force_unicast_rateidx = -1;
1372
1373         if (mask->fixed)
1374                 target_rate = mask->fixed / 100;
1375         else if (mask->maxrate)
1376                 target_rate = mask->maxrate / 100;
1377         else
1378                 return 0;
1379
1380         for (i=0; i< sband->n_bitrates; i++) {
1381                 struct ieee80211_rate *brate = &sband->bitrates[i];
1382                 int this_rate = brate->bitrate;
1383
1384                 if (target_rate == this_rate) {
1385                         sdata->max_ratectrl_rateidx = i;
1386                         if (mask->fixed)
1387                                 sdata->force_unicast_rateidx = i;
1388                         err = 0;
1389                         break;
1390                 }
1391         }
1392
1393         return err;
1394 }
1395
1396 struct cfg80211_ops mac80211_config_ops = {
1397         .add_virtual_intf = ieee80211_add_iface,
1398         .del_virtual_intf = ieee80211_del_iface,
1399         .change_virtual_intf = ieee80211_change_iface,
1400         .add_key = ieee80211_add_key,
1401         .del_key = ieee80211_del_key,
1402         .get_key = ieee80211_get_key,
1403         .set_default_key = ieee80211_config_default_key,
1404         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1405         .add_beacon = ieee80211_add_beacon,
1406         .set_beacon = ieee80211_set_beacon,
1407         .del_beacon = ieee80211_del_beacon,
1408         .add_station = ieee80211_add_station,
1409         .del_station = ieee80211_del_station,
1410         .change_station = ieee80211_change_station,
1411         .get_station = ieee80211_get_station,
1412         .dump_station = ieee80211_dump_station,
1413 #ifdef CONFIG_MAC80211_MESH
1414         .add_mpath = ieee80211_add_mpath,
1415         .del_mpath = ieee80211_del_mpath,
1416         .change_mpath = ieee80211_change_mpath,
1417         .get_mpath = ieee80211_get_mpath,
1418         .dump_mpath = ieee80211_dump_mpath,
1419         .set_mesh_params = ieee80211_set_mesh_params,
1420         .get_mesh_params = ieee80211_get_mesh_params,
1421 #endif
1422         .change_bss = ieee80211_change_bss,
1423         .set_txq_params = ieee80211_set_txq_params,
1424         .set_channel = ieee80211_set_channel,
1425         .suspend = ieee80211_suspend,
1426         .resume = ieee80211_resume,
1427         .scan = ieee80211_scan,
1428         .auth = ieee80211_auth,
1429         .assoc = ieee80211_assoc,
1430         .deauth = ieee80211_deauth,
1431         .disassoc = ieee80211_disassoc,
1432         .join_ibss = ieee80211_join_ibss,
1433         .leave_ibss = ieee80211_leave_ibss,
1434         .set_wiphy_params = ieee80211_set_wiphy_params,
1435         .set_tx_power = ieee80211_set_tx_power,
1436         .get_tx_power = ieee80211_get_tx_power,
1437         .set_wds_peer = ieee80211_set_wds_peer,
1438         .rfkill_poll = ieee80211_rfkill_poll,
1439         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1440         .set_power_mgmt = ieee80211_set_power_mgmt,
1441         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1442 };