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 "driver-ops.h"
  17 #include "cfg.h"
  18 #include "rate.h"
  19 #include "mesh.h"
  20
  21 static bool nl80211_type_check(enum nl80211_iftype type)
  22 {
  23         switch (type) {
  24         case NL80211_IFTYPE_ADHOC:
  25         case NL80211_IFTYPE_STATION:
  26         case NL80211_IFTYPE_MONITOR:
  27 #ifdef CONFIG_MAC80211_MESH
  28         case NL80211_IFTYPE_MESH_POINT:
  29 #endif
  30         case NL80211_IFTYPE_AP:
  31         case NL80211_IFTYPE_AP_VLAN:
  32         case NL80211_IFTYPE_WDS:
  33                 return true;
  34         default:
  35                 return false;
  36         }
  37 }
  38
  39 static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  40                                enum nl80211_iftype type, u32 *flags,
  41                                struct vif_params *params)
  42 {
  43         struct ieee80211_local *local = wiphy_priv(wiphy);
  44         struct net_device *dev;
  45         struct ieee80211_sub_if_data *sdata;
  46         int err;
  47
  48         if (!nl80211_type_check(type))
  49                 return -EINVAL;
  50
  51         err = ieee80211_if_add(local, name, &dev, type, params);
  52         if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  53                 return err;
  54
  55         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  56         sdata->u.mntr_flags = *flags;
  57         return 0;
  58 }
  59
  60 static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
  61 {
  62         ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
  63
  64         return 0;
  65 }
  66
  67 static int ieee80211_change_iface(struct wiphy *wiphy,
  68                                   struct net_device *dev,
  69                                   enum nl80211_iftype type, u32 *flags,
  70                                   struct vif_params *params)
  71 {
  72         struct ieee80211_sub_if_data *sdata;
  73         int ret;
  74
  75         if (!nl80211_type_check(type))
  76                 return -EINVAL;
  77
  78         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  79
  80         ret = ieee80211_if_change_type(sdata, type);
  81         if (ret)
  82                 return ret;
  83
  84         if (netif_running(sdata->dev))
  85                 return -EBUSY;
  86
  87         if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
  88                 ieee80211_sdata_set_mesh_id(sdata,
  89                                             params->mesh_id_len,
  90                                             params->mesh_id);
  91
  92         if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
  93                 return 0;
  94
  95         sdata->u.mntr_flags = *flags;
  96         return 0;
  97 }
  98
  99 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 100                              u8 key_idx, const u8 *mac_addr,
 101                              struct key_params *params)
 102 {
 103         struct ieee80211_sub_if_data *sdata;
 104         struct sta_info *sta = NULL;
 105         enum ieee80211_key_alg alg;
 106         struct ieee80211_key *key;
 107         int err;
 108
 109         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 110
 111         switch (params->cipher) {
 112         case WLAN_CIPHER_SUITE_WEP40:
 113         case WLAN_CIPHER_SUITE_WEP104:
 114                 alg = ALG_WEP;
 115                 break;
 116         case WLAN_CIPHER_SUITE_TKIP:
 117                 alg = ALG_TKIP;
 118                 break;
 119         case WLAN_CIPHER_SUITE_CCMP:
 120                 alg = ALG_CCMP;
 121                 break;
 122         case WLAN_CIPHER_SUITE_AES_CMAC:
 123                 alg = ALG_AES_CMAC;
 124                 break;
 125         default:
 126                 return -EINVAL;
 127         }
 128
 129         key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
 130                                   params->seq_len, params->seq);
 131         if (!key)
 132                 return -ENOMEM;
 133
 134         rcu_read_lock();
 135
 136         if (mac_addr) {
 137                 sta = sta_info_get(sdata->local, mac_addr);
 138                 if (!sta) {
 139                         ieee80211_key_free(key);
 140                         err = -ENOENT;
 141                         goto out_unlock;
 142                 }
 143         }
 144
 145         ieee80211_key_link(key, sdata, sta);
 146
 147         err = 0;
 148  out_unlock:
 149         rcu_read_unlock();
 150
 151         return err;
 152 }
 153
 154 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 155                              u8 key_idx, const u8 *mac_addr)
 156 {
 157         struct ieee80211_sub_if_data *sdata;
 158         struct sta_info *sta;
 159         int ret;
 160
 161         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 162
 163         rcu_read_lock();
 164
 165         if (mac_addr) {
 166                 ret = -ENOENT;
 167
 168                 sta = sta_info_get(sdata->local, mac_addr);
 169                 if (!sta)
 170                         goto out_unlock;
 171
 172                 if (sta->key) {
 173                         ieee80211_key_free(sta->key);
 174                         WARN_ON(sta->key);
 175                         ret = 0;
 176                 }
 177
 178                 goto out_unlock;
 179         }
 180
 181         if (!sdata->keys[key_idx]) {
 182                 ret = -ENOENT;
 183                 goto out_unlock;
 184         }
 185
 186         ieee80211_key_free(sdata->keys[key_idx]);
 187         WARN_ON(sdata->keys[key_idx]);
 188
 189         ret = 0;
 190  out_unlock:
 191         rcu_read_unlock();
 192
 193         return ret;
 194 }
 195
 196 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 197                              u8 key_idx, const u8 *mac_addr, void *cookie,
 198                              void (*callback)(void *cookie,
 199                                               struct key_params *params))
 200 {
 201         struct ieee80211_sub_if_data *sdata;
 202         struct sta_info *sta = NULL;
 203         u8 seq[6] = {0};
 204         struct key_params params;
 205         struct ieee80211_key *key;
 206         u32 iv32;
 207         u16 iv16;
 208         int err = -ENOENT;
 209
 210         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 211
 212         rcu_read_lock();
 213
 214         if (mac_addr) {
 215                 sta = sta_info_get(sdata->local, mac_addr);
 216                 if (!sta)
 217                         goto out;
 218
 219                 key = sta->key;
 220         } else
 221                 key = sdata->keys[key_idx];
 222
 223         if (!key)
 224                 goto out;
 225
 226         memset(&params, 0, sizeof(params));
 227
 228         switch (key->conf.alg) {
 229         case ALG_TKIP:
 230                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
 231
 232                 iv32 = key->u.tkip.tx.iv32;
 233                 iv16 = key->u.tkip.tx.iv16;
 234
 235                 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
 236                         drv_get_tkip_seq(sdata->local,
 237                                          key->conf.hw_key_idx,
 238                                          &iv32, &iv16);
 239
 240                 seq[0] = iv16 & 0xff;
 241                 seq[1] = (iv16 >> 8) & 0xff;
 242                 seq[2] = iv32 & 0xff;
 243                 seq[3] = (iv32 >> 8) & 0xff;
 244                 seq[4] = (iv32 >> 16) & 0xff;
 245                 seq[5] = (iv32 >> 24) & 0xff;
 246                 params.seq = seq;
 247                 params.seq_len = 6;
 248                 break;
 249         case ALG_CCMP:
 250                 params.cipher = WLAN_CIPHER_SUITE_CCMP;
 251                 seq[0] = key->u.ccmp.tx_pn[5];
 252                 seq[1] = key->u.ccmp.tx_pn[4];
 253                 seq[2] = key->u.ccmp.tx_pn[3];
 254                 seq[3] = key->u.ccmp.tx_pn[2];
 255                 seq[4] = key->u.ccmp.tx_pn[1];
 256                 seq[5] = key->u.ccmp.tx_pn[0];
 257                 params.seq = seq;
 258                 params.seq_len = 6;
 259                 break;
 260         case ALG_WEP:
 261                 if (key->conf.keylen == 5)
 262                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
 263                 else
 264                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
 265                 break;
 266         case ALG_AES_CMAC:
 267                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 268                 seq[0] = key->u.aes_cmac.tx_pn[5];
 269                 seq[1] = key->u.aes_cmac.tx_pn[4];
 270                 seq[2] = key->u.aes_cmac.tx_pn[3];
 271                 seq[3] = key->u.aes_cmac.tx_pn[2];
 272                 seq[4] = key->u.aes_cmac.tx_pn[1];
 273                 seq[5] = key->u.aes_cmac.tx_pn[0];
 274                 params.seq = seq;
 275                 params.seq_len = 6;
 276                 break;
 277         }
 278
 279         params.key = key->conf.key;
 280         params.key_len = key->conf.keylen;
 281
 282         callback(cookie, &params);
 283         err = 0;
 284
 285  out:
 286         rcu_read_unlock();
 287         return err;
 288 }
 289
 290 static int ieee80211_config_default_key(struct wiphy *wiphy,
 291                                         struct net_device *dev,
 292                                         u8 key_idx)
 293 {
 294         struct ieee80211_sub_if_data *sdata;
 295
 296         rcu_read_lock();
 297
 298         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 299         ieee80211_set_default_key(sdata, key_idx);
 300
 301         rcu_read_unlock();
 302
 303         return 0;
 304 }
 305
 306 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 307                                              struct net_device *dev,
 308                                              u8 key_idx)
 309 {
 310         struct ieee80211_sub_if_data *sdata;
 311
 312         rcu_read_lock();
 313
 314         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 315         ieee80211_set_default_mgmt_key(sdata, key_idx);
 316
 317         rcu_read_unlock();
 318
 319         return 0;
 320 }
 321
 322 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 323 {
 324         struct ieee80211_sub_if_data *sdata = sta->sdata;
 325
 326         sinfo->filled = STATION_INFO_INACTIVE_TIME |
 327                         STATION_INFO_RX_BYTES |
 328                         STATION_INFO_TX_BYTES |
 329                         STATION_INFO_RX_PACKETS |
 330                         STATION_INFO_TX_PACKETS |
 331                         STATION_INFO_TX_BITRATE;
 332
 333         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 334         sinfo->rx_bytes = sta->rx_bytes;
 335         sinfo->tx_bytes = sta->tx_bytes;
 336         sinfo->rx_packets = sta->rx_packets;
 337         sinfo->tx_packets = sta->tx_packets;
 338
 339         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 340                 sinfo->filled |= STATION_INFO_SIGNAL;
 341                 sinfo->signal = (s8)sta->last_signal;
 342         }
 343
 344         sinfo->txrate.flags = 0;
 345         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 346                 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 347         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 348                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 349         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 350                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 351
 352         if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 353                 struct ieee80211_supported_band *sband;
 354                 sband = sta->local->hw.wiphy->bands[
 355                                 sta->local->hw.conf.channel->band];
 356                 sinfo->txrate.legacy =
 357                         sband->bitrates[sta->last_tx_rate.idx].bitrate;
 358         } else
 359                 sinfo->txrate.mcs = sta->last_tx_rate.idx;
 360
 361         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 362 #ifdef CONFIG_MAC80211_MESH
 363                 sinfo->filled |= STATION_INFO_LLID |
 364                                  STATION_INFO_PLID |
 365                                  STATION_INFO_PLINK_STATE;
 366
 367                 sinfo->llid = le16_to_cpu(sta->llid);
 368                 sinfo->plid = le16_to_cpu(sta->plid);
 369                 sinfo->plink_state = sta->plink_state;
 370 #endif
 371         }
 372 }
 373
 374
 375 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 376                                  int idx, u8 *mac, struct station_info *sinfo)
 377 {
 378         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 379         struct sta_info *sta;
 380         int ret = -ENOENT;
 381
 382         rcu_read_lock();
 383
 384         sta = sta_info_get_by_idx(local, idx, dev);
 385         if (sta) {
 386                 ret = 0;
 387                 memcpy(mac, sta->sta.addr, ETH_ALEN);
 388                 sta_set_sinfo(sta, sinfo);
 389         }
 390
 391         rcu_read_unlock();
 392
 393         return ret;
 394 }
 395
 396 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 397                                  u8 *mac, struct station_info *sinfo)
 398 {
 399         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 400         struct sta_info *sta;
 401         int ret = -ENOENT;
 402
 403         rcu_read_lock();
 404
 405         /* XXX: verify sta->dev == dev */
 406
 407         sta = sta_info_get(local, mac);
 408         if (sta) {
 409                 ret = 0;
 410                 sta_set_sinfo(sta, sinfo);
 411         }
 412
 413         rcu_read_unlock();
 414
 415         return ret;
 416 }
 417
 418 /*
 419  * This handles both adding a beacon and setting new beacon info
 420  */
 421 static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 422                                    struct beacon_parameters *params)
 423 {
 424         struct beacon_data *new, *old;
 425         int new_head_len, new_tail_len;
 426         int size;
 427         int err = -EINVAL;
 428
 429         old = sdata->u.ap.beacon;
 430
 431         /* head must not be zero-length */
 432         if (params->head && !params->head_len)
 433                 return -EINVAL;
 434
 435         /*
 436          * This is a kludge. beacon interval should really be part
 437          * of the beacon information.
 438          */
 439         if (params->interval &&
 440             (sdata->vif.bss_conf.beacon_int != params->interval)) {
 441                 sdata->vif.bss_conf.beacon_int = params->interval;
 442                 ieee80211_bss_info_change_notify(sdata,
 443                                                  BSS_CHANGED_BEACON_INT);
 444         }
 445
 446         /* Need to have a beacon head if we don't have one yet */
 447         if (!params->head && !old)
 448                 return err;
 449
 450         /* sorry, no way to start beaconing without dtim period */
 451         if (!params->dtim_period && !old)
 452                 return err;
 453
 454         /* new or old head? */
 455         if (params->head)
 456                 new_head_len = params->head_len;
 457         else
 458                 new_head_len = old->head_len;
 459
 460         /* new or old tail? */
 461         if (params->tail || !old)
 462                 /* params->tail_len will be zero for !params->tail */
 463                 new_tail_len = params->tail_len;
 464         else
 465                 new_tail_len = old->tail_len;
 466
 467         size = sizeof(*new) + new_head_len + new_tail_len;
 468
 469         new = kzalloc(size, GFP_KERNEL);
 470         if (!new)
 471                 return -ENOMEM;
 472
 473         /* start filling the new info now */
 474
 475         /* new or old dtim period? */
 476         if (params->dtim_period)
 477                 new->dtim_period = params->dtim_period;
 478         else
 479                 new->dtim_period = old->dtim_period;
 480
 481         /*
 482          * pointers go into the block we allocated,
 483          * memory is | beacon_data | head | tail |
 484          */
 485         new->head = ((u8 *) new) + sizeof(*new);
 486         new->tail = new->head + new_head_len;
 487         new->head_len = new_head_len;
 488         new->tail_len = new_tail_len;
 489
 490         /* copy in head */
 491         if (params->head)
 492                 memcpy(new->head, params->head, new_head_len);
 493         else
 494                 memcpy(new->head, old->head, new_head_len);
 495
 496         /* copy in optional tail */
 497         if (params->tail)
 498                 memcpy(new->tail, params->tail, new_tail_len);
 499         else
 500                 if (old)
 501                         memcpy(new->tail, old->tail, new_tail_len);
 502
 503         rcu_assign_pointer(sdata->u.ap.beacon, new);
 504
 505         synchronize_rcu();
 506
 507         kfree(old);
 508
 509         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
 510                                                 BSS_CHANGED_BEACON);
 511         return 0;
 512 }
 513
 514 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 515                                 struct beacon_parameters *params)
 516 {
 517         struct ieee80211_sub_if_data *sdata;
 518         struct beacon_data *old;
 519
 520         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 521
 522         old = sdata->u.ap.beacon;
 523
 524         if (old)
 525                 return -EALREADY;
 526
 527         return ieee80211_config_beacon(sdata, params);
 528 }
 529
 530 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 531                                 struct beacon_parameters *params)
 532 {
 533         struct ieee80211_sub_if_data *sdata;
 534         struct beacon_data *old;
 535
 536         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 537
 538         old = sdata->u.ap.beacon;
 539
 540         if (!old)
 541                 return -ENOENT;
 542
 543         return ieee80211_config_beacon(sdata, params);
 544 }
 545
 546 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 547 {
 548         struct ieee80211_sub_if_data *sdata;
 549         struct beacon_data *old;
 550
 551         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 552
 553         old = sdata->u.ap.beacon;
 554
 555         if (!old)
 556                 return -ENOENT;
 557
 558         rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 559         synchronize_rcu();
 560         kfree(old);
 561
 562         ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
 563         return 0;
 564 }
 565
 566 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 567 struct iapp_layer2_update {
 568         u8 da[ETH_ALEN];        /* broadcast */
 569         u8 sa[ETH_ALEN];        /* STA addr */
 570         __be16 len;             /* 6 */
 571         u8 dsap;                /* 0 */
 572         u8 ssap;                /* 0 */
 573         u8 control;
 574         u8 xid_info[3];
 575 } __attribute__ ((packed));
 576
 577 static void ieee80211_send_layer2_update(struct sta_info *sta)
 578 {
 579         struct iapp_layer2_update *msg;
 580         struct sk_buff *skb;
 581
 582         /* Send Level 2 Update Frame to update forwarding tables in layer 2
 583          * bridge devices */
 584
 585         skb = dev_alloc_skb(sizeof(*msg));
 586         if (!skb)
 587                 return;
 588         msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 589
 590         /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 591          * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 592
 593         memset(msg->da, 0xff, ETH_ALEN);
 594         memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 595         msg->len = htons(6);
 596         msg->dsap = 0;
 597         msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 598         msg->control = 0xaf;    /* XID response lsb.1111F101.
 599                                  * F=0 (no poll command; unsolicited frame) */
 600         msg->xid_info[0] = 0x81;        /* XID format identifier */
 601         msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 602         msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 603
 604         skb->dev = sta->sdata->dev;
 605         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 606         memset(skb->cb, 0, sizeof(skb->cb));
 607         netif_rx(skb);
 608 }
 609
 610 static void sta_apply_parameters(struct ieee80211_local *local,
 611                                  struct sta_info *sta,
 612                                  struct station_parameters *params)
 613 {
 614         u32 rates;
 615         int i, j;
 616         struct ieee80211_supported_band *sband;
 617         struct ieee80211_sub_if_data *sdata = sta->sdata;
 618         u32 mask, set;
 619
 620         sband = local->hw.wiphy->bands[local->oper_channel->band];
 621
 622         spin_lock_bh(&sta->lock);
 623         mask = params->sta_flags_mask;
 624         set = params->sta_flags_set;
 625
 626         if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
 627                 sta->flags &= ~WLAN_STA_AUTHORIZED;
 628                 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
 629                         sta->flags |= WLAN_STA_AUTHORIZED;
 630         }
 631
 632         if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
 633                 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 634                 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
 635                         sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 636         }
 637
 638         if (mask & BIT(NL80211_STA_FLAG_WME)) {
 639                 sta->flags &= ~WLAN_STA_WME;
 640                 if (set & BIT(NL80211_STA_FLAG_WME))
 641                         sta->flags |= WLAN_STA_WME;
 642         }
 643
 644         if (mask & BIT(NL80211_STA_FLAG_MFP)) {
 645                 sta->flags &= ~WLAN_STA_MFP;
 646                 if (set & BIT(NL80211_STA_FLAG_MFP))
 647                         sta->flags |= WLAN_STA_MFP;
 648         }
 649         spin_unlock_bh(&sta->lock);
 650
 651         /*
 652          * cfg80211 validates this (1-2007) and allows setting the AID
 653          * only when creating a new station entry
 654          */
 655         if (params->aid)
 656                 sta->sta.aid = params->aid;
 657
 658         /*
 659          * FIXME: updating the following information is racy when this
 660          *        function is called from ieee80211_change_station().
 661          *        However, all this information should be static so
 662          *        maybe we should just reject attemps to change it.
 663          */
 664
 665         if (params->listen_interval >= 0)
 666                 sta->listen_interval = params->listen_interval;
 667
 668         if (params->supported_rates) {
 669                 rates = 0;
 670
 671                 for (i = 0; i < params->supported_rates_len; i++) {
 672                         int rate = (params->supported_rates[i] & 0x7f) * 5;
 673                         for (j = 0; j < sband->n_bitrates; j++) {
 674                                 if (sband->bitrates[j].bitrate == rate)
 675                                         rates |= BIT(j);
 676                         }
 677                 }
 678                 sta->sta.supp_rates[local->oper_channel->band] = rates;
 679         }
 680
 681         if (params->ht_capa)
 682                 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 683                                                   params->ht_capa,
 684                                                   &sta->sta.ht_cap);
 685
 686         if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 687                 switch (params->plink_action) {
 688                 case PLINK_ACTION_OPEN:
 689                         mesh_plink_open(sta);
 690                         break;
 691                 case PLINK_ACTION_BLOCK:
 692                         mesh_plink_block(sta);
 693                         break;
 694                 }
 695         }
 696 }
 697
 698 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 699                                  u8 *mac, struct station_parameters *params)
 700 {
 701         struct ieee80211_local *local = wiphy_priv(wiphy);
 702         struct sta_info *sta;
 703         struct ieee80211_sub_if_data *sdata;
 704         int err;
 705         int layer2_update;
 706
 707         if (params->vlan) {
 708                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 709
 710                 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 711                     sdata->vif.type != NL80211_IFTYPE_AP)
 712                         return -EINVAL;
 713         } else
 714                 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 715
 716         if (compare_ether_addr(mac, dev->dev_addr) == 0)
 717                 return -EINVAL;
 718
 719         if (is_multicast_ether_addr(mac))
 720                 return -EINVAL;
 721
 722         sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 723         if (!sta)
 724                 return -ENOMEM;
 725
 726         sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 727
 728         sta_apply_parameters(local, sta, params);
 729
 730         rate_control_rate_init(sta);
 731
 732         layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 733                 sdata->vif.type == NL80211_IFTYPE_AP;
 734
 735         rcu_read_lock();
 736
 737         err = sta_info_insert(sta);
 738         if (err) {
 739                 /* STA has been freed */
 740                 if (err == -EEXIST && layer2_update) {
 741                         /* Need to update layer 2 devices on reassociation */
 742                         sta = sta_info_get(local, mac);
 743                         if (sta)
 744                                 ieee80211_send_layer2_update(sta);
 745                 }
 746                 rcu_read_unlock();
 747                 return err;
 748         }
 749
 750         if (layer2_update)
 751                 ieee80211_send_layer2_update(sta);
 752
 753         rcu_read_unlock();
 754
 755         return 0;
 756 }
 757
 758 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 759                                  u8 *mac)
 760 {
 761         struct ieee80211_local *local = wiphy_priv(wiphy);
 762         struct ieee80211_sub_if_data *sdata;
 763         struct sta_info *sta;
 764
 765         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 766
 767         if (mac) {
 768                 rcu_read_lock();
 769
 770                 /* XXX: get sta belonging to dev */
 771                 sta = sta_info_get(local, mac);
 772                 if (!sta) {
 773                         rcu_read_unlock();
 774                         return -ENOENT;
 775                 }
 776
 777                 sta_info_unlink(&sta);
 778                 rcu_read_unlock();
 779
 780                 sta_info_destroy(sta);
 781         } else
 782                 sta_info_flush(local, sdata);
 783
 784         return 0;
 785 }
 786
 787 static int ieee80211_change_station(struct wiphy *wiphy,
 788                                     struct net_device *dev,
 789                                     u8 *mac,
 790                                     struct station_parameters *params)
 791 {
 792         struct ieee80211_local *local = wiphy_priv(wiphy);
 793         struct sta_info *sta;
 794         struct ieee80211_sub_if_data *vlansdata;
 795
 796         rcu_read_lock();
 797
 798         /* XXX: get sta belonging to dev */
 799         sta = sta_info_get(local, mac);
 800         if (!sta) {
 801                 rcu_read_unlock();
 802                 return -ENOENT;
 803         }
 804
 805         if (params->vlan && params->vlan != sta->sdata->dev) {
 806                 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 807
 808                 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 809                     vlansdata->vif.type != NL80211_IFTYPE_AP) {
 810                         rcu_read_unlock();
 811                         return -EINVAL;
 812                 }
 813
 814                 sta->sdata = vlansdata;
 815                 ieee80211_send_layer2_update(sta);
 816         }
 817
 818         sta_apply_parameters(local, sta, params);
 819
 820         rcu_read_unlock();
 821
 822         return 0;
 823 }
 824
 825 #ifdef CONFIG_MAC80211_MESH
 826 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 827                                  u8 *dst, u8 *next_hop)
 828 {
 829         struct ieee80211_local *local = wiphy_priv(wiphy);
 830         struct ieee80211_sub_if_data *sdata;
 831         struct mesh_path *mpath;
 832         struct sta_info *sta;
 833         int err;
 834
 835         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 836
 837         rcu_read_lock();
 838         sta = sta_info_get(local, next_hop);
 839         if (!sta) {
 840                 rcu_read_unlock();
 841                 return -ENOENT;
 842         }
 843
 844         err = mesh_path_add(dst, sdata);
 845         if (err) {
 846                 rcu_read_unlock();
 847                 return err;
 848         }
 849
 850         mpath = mesh_path_lookup(dst, sdata);
 851         if (!mpath) {
 852                 rcu_read_unlock();
 853                 return -ENXIO;
 854         }
 855         mesh_path_fix_nexthop(mpath, sta);
 856
 857         rcu_read_unlock();
 858         return 0;
 859 }
 860
 861 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 862                                  u8 *dst)
 863 {
 864         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 865
 866         if (dst)
 867                 return mesh_path_del(dst, sdata);
 868
 869         mesh_path_flush(sdata);
 870         return 0;
 871 }
 872
 873 static int ieee80211_change_mpath(struct wiphy *wiphy,
 874                                     struct net_device *dev,
 875                                     u8 *dst, u8 *next_hop)
 876 {
 877         struct ieee80211_local *local = wiphy_priv(wiphy);
 878         struct ieee80211_sub_if_data *sdata;
 879         struct mesh_path *mpath;
 880         struct sta_info *sta;
 881
 882         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 883
 884         rcu_read_lock();
 885
 886         sta = sta_info_get(local, next_hop);
 887         if (!sta) {
 888                 rcu_read_unlock();
 889                 return -ENOENT;
 890         }
 891
 892         mpath = mesh_path_lookup(dst, sdata);
 893         if (!mpath) {
 894                 rcu_read_unlock();
 895                 return -ENOENT;
 896         }
 897
 898         mesh_path_fix_nexthop(mpath, sta);
 899
 900         rcu_read_unlock();
 901         return 0;
 902 }
 903
 904 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 905                             struct mpath_info *pinfo)
 906 {
 907         if (mpath->next_hop)
 908                 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 909         else
 910                 memset(next_hop, 0, ETH_ALEN);
 911
 912         pinfo->filled = MPATH_INFO_FRAME_QLEN |
 913                         MPATH_INFO_DSN |
 914                         MPATH_INFO_METRIC |
 915                         MPATH_INFO_EXPTIME |
 916                         MPATH_INFO_DISCOVERY_TIMEOUT |
 917                         MPATH_INFO_DISCOVERY_RETRIES |
 918                         MPATH_INFO_FLAGS;
 919
 920         pinfo->frame_qlen = mpath->frame_queue.qlen;
 921         pinfo->dsn = mpath->dsn;
 922         pinfo->metric = mpath->metric;
 923         if (time_before(jiffies, mpath->exp_time))
 924                 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 925         pinfo->discovery_timeout =
 926                         jiffies_to_msecs(mpath->discovery_timeout);
 927         pinfo->discovery_retries = mpath->discovery_retries;
 928         pinfo->flags = 0;
 929         if (mpath->flags & MESH_PATH_ACTIVE)
 930                 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 931         if (mpath->flags & MESH_PATH_RESOLVING)
 932                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 933         if (mpath->flags & MESH_PATH_DSN_VALID)
 934                 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 935         if (mpath->flags & MESH_PATH_FIXED)
 936                 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 937         if (mpath->flags & MESH_PATH_RESOLVING)
 938                 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 939
 940         pinfo->flags = mpath->flags;
 941 }
 942
 943 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 944                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 945
 946 {
 947         struct ieee80211_sub_if_data *sdata;
 948         struct mesh_path *mpath;
 949
 950         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 951
 952         rcu_read_lock();
 953         mpath = mesh_path_lookup(dst, sdata);
 954         if (!mpath) {
 955                 rcu_read_unlock();
 956                 return -ENOENT;
 957         }
 958         memcpy(dst, mpath->dst, ETH_ALEN);
 959         mpath_set_pinfo(mpath, next_hop, pinfo);
 960         rcu_read_unlock();
 961         return 0;
 962 }
 963
 964 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 965                                  int idx, u8 *dst, u8 *next_hop,
 966                                  struct mpath_info *pinfo)
 967 {
 968         struct ieee80211_sub_if_data *sdata;
 969         struct mesh_path *mpath;
 970
 971         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 972
 973         rcu_read_lock();
 974         mpath = mesh_path_lookup_by_idx(idx, sdata);
 975         if (!mpath) {
 976                 rcu_read_unlock();
 977                 return -ENOENT;
 978         }
 979         memcpy(dst, mpath->dst, ETH_ALEN);
 980         mpath_set_pinfo(mpath, next_hop, pinfo);
 981         rcu_read_unlock();
 982         return 0;
 983 }
 984
 985 static int ieee80211_get_mesh_params(struct wiphy *wiphy,
 986                                 struct net_device *dev,
 987                                 struct mesh_config *conf)
 988 {
 989         struct ieee80211_sub_if_data *sdata;
 990         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 991
 992         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
 993         return 0;
 994 }
 995
 996 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
 997 {
 998         return (mask >> (parm-1)) & 0x1;
 999 }
1000
1001 static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1002                                 struct net_device *dev,
1003                                 const struct mesh_config *nconf, u32 mask)
1004 {
1005         struct mesh_config *conf;
1006         struct ieee80211_sub_if_data *sdata;
1007         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1008
1009         /* Set the config options which we are interested in setting */
1010         conf = &(sdata->u.mesh.mshcfg);
1011         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1012                 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1013         if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1014                 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1015         if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1016                 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1017         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1018                 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1019         if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1020                 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1021         if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1022                 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1023         if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1024                 conf->auto_open_plinks = nconf->auto_open_plinks;
1025         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1026                 conf->dot11MeshHWMPmaxPREQretries =
1027                         nconf->dot11MeshHWMPmaxPREQretries;
1028         if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1029                 conf->path_refresh_time = nconf->path_refresh_time;
1030         if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1031                 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1032         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1033                 conf->dot11MeshHWMPactivePathTimeout =
1034                         nconf->dot11MeshHWMPactivePathTimeout;
1035         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1036                 conf->dot11MeshHWMPpreqMinInterval =
1037                         nconf->dot11MeshHWMPpreqMinInterval;
1038         if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1039                            mask))
1040                 conf->dot11MeshHWMPnetDiameterTraversalTime =
1041                         nconf->dot11MeshHWMPnetDiameterTraversalTime;
1042         return 0;
1043 }
1044
1045 #endif
1046
1047 static int ieee80211_change_bss(struct wiphy *wiphy,
1048                                 struct net_device *dev,
1049                                 struct bss_parameters *params)
1050 {
1051         struct ieee80211_sub_if_data *sdata;
1052         u32 changed = 0;
1053
1054         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1055
1056         if (params->use_cts_prot >= 0) {
1057                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1058                 changed |= BSS_CHANGED_ERP_CTS_PROT;
1059         }
1060         if (params->use_short_preamble >= 0) {
1061                 sdata->vif.bss_conf.use_short_preamble =
1062                         params->use_short_preamble;
1063                 changed |= BSS_CHANGED_ERP_PREAMBLE;
1064         }
1065         if (params->use_short_slot_time >= 0) {
1066                 sdata->vif.bss_conf.use_short_slot =
1067                         params->use_short_slot_time;
1068                 changed |= BSS_CHANGED_ERP_SLOT;
1069         }
1070
1071         if (params->basic_rates) {
1072                 int i, j;
1073                 u32 rates = 0;
1074                 struct ieee80211_local *local = wiphy_priv(wiphy);
1075                 struct ieee80211_supported_band *sband =
1076                         wiphy->bands[local->oper_channel->band];
1077
1078                 for (i = 0; i < params->basic_rates_len; i++) {
1079                         int rate = (params->basic_rates[i] & 0x7f) * 5;
1080                         for (j = 0; j < sband->n_bitrates; j++) {
1081                                 if (sband->bitrates[j].bitrate == rate)
1082                                         rates |= BIT(j);
1083                         }
1084                 }
1085                 sdata->vif.bss_conf.basic_rates = rates;
1086                 changed |= BSS_CHANGED_BASIC_RATES;
1087         }
1088
1089         ieee80211_bss_info_change_notify(sdata, changed);
1090
1091         return 0;
1092 }
1093
1094 static int ieee80211_set_txq_params(struct wiphy *wiphy,
1095                                     struct ieee80211_txq_params *params)
1096 {
1097         struct ieee80211_local *local = wiphy_priv(wiphy);
1098         struct ieee80211_tx_queue_params p;
1099
1100         if (!local->ops->conf_tx)
1101                 return -EOPNOTSUPP;
1102
1103         memset(&p, 0, sizeof(p));
1104         p.aifs = params->aifs;
1105         p.cw_max = params->cwmax;
1106         p.cw_min = params->cwmin;
1107         p.txop = params->txop;
1108         if (drv_conf_tx(local, params->queue, &p)) {
1109                 printk(KERN_DEBUG "%s: failed to set TX queue "
1110                        "parameters for queue %d\n",
1111                        wiphy_name(local->hw.wiphy), params->queue);
1112                 return -EINVAL;
1113         }
1114
1115         return 0;
1116 }
1117
1118 static int ieee80211_set_channel(struct wiphy *wiphy,
1119                                  struct ieee80211_channel *chan,
1120                                  enum nl80211_channel_type channel_type)
1121 {
1122         struct ieee80211_local *local = wiphy_priv(wiphy);
1123
1124         local->oper_channel = chan;
1125         local->oper_channel_type = channel_type;
1126
1127         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1128 }
1129
1130 #ifdef CONFIG_PM
1131 static int ieee80211_suspend(struct wiphy *wiphy)
1132 {
1133         return __ieee80211_suspend(wiphy_priv(wiphy));
1134 }
1135
1136 static int ieee80211_resume(struct wiphy *wiphy)
1137 {
1138         return __ieee80211_resume(wiphy_priv(wiphy));
1139 }
1140 #else
1141 #define ieee80211_suspend NULL
1142 #define ieee80211_resume NULL
1143 #endif
1144
1145 static int ieee80211_scan(struct wiphy *wiphy,
1146                           struct net_device *dev,
1147                           struct cfg80211_scan_request *req)
1148 {
1149         struct ieee80211_sub_if_data *sdata;
1150
1151         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1152
1153         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1154             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1155             sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1156             (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
1157                 return -EOPNOTSUPP;
1158
1159         return ieee80211_request_scan(sdata, req);
1160 }
1161
1162 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1163                           struct cfg80211_auth_request *req)
1164 {
1165         return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
1166 }
1167
1168 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1169                            struct cfg80211_assoc_request *req)
1170 {
1171         return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
1172 }
1173
1174 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1175                             struct cfg80211_deauth_request *req,
1176                             void *cookie)
1177 {
1178         return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1179                                     req, cookie);
1180 }
1181
1182 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1183                               struct cfg80211_disassoc_request *req,
1184                               void *cookie)
1185 {
1186         return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1187                                       req, cookie);
1188 }
1189
1190 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1191                                struct cfg80211_ibss_params *params)
1192 {
1193         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1194
1195         return ieee80211_ibss_join(sdata, params);
1196 }
1197
1198 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1199 {
1200         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1201
1202         return ieee80211_ibss_leave(sdata);
1203 }
1204
1205 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1206 {
1207         struct ieee80211_local *local = wiphy_priv(wiphy);
1208         int err;
1209
1210         if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1211                 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
1212
1213                 if (err)
1214                         return err;
1215         }
1216
1217         if (changed & WIPHY_PARAM_RETRY_SHORT)
1218                 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1219         if (changed & WIPHY_PARAM_RETRY_LONG)
1220                 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1221         if (changed &
1222             (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1223                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1224
1225         return 0;
1226 }
1227
1228 static int ieee80211_set_tx_power(struct wiphy *wiphy,
1229                                   enum tx_power_setting type, int dbm)
1230 {
1231         struct ieee80211_local *local = wiphy_priv(wiphy);
1232         struct ieee80211_channel *chan = local->hw.conf.channel;
1233         u32 changes = 0;
1234
1235         switch (type) {
1236         case TX_POWER_AUTOMATIC:
1237                 local->user_power_level = -1;
1238                 break;
1239         case TX_POWER_LIMITED:
1240                 if (dbm < 0)
1241                         return -EINVAL;
1242                 local->user_power_level = dbm;
1243                 break;
1244         case TX_POWER_FIXED:
1245                 if (dbm < 0)
1246                         return -EINVAL;
1247                 /* TODO: move to cfg80211 when it knows the channel */
1248                 if (dbm > chan->max_power)
1249                         return -EINVAL;
1250                 local->user_power_level = dbm;
1251                 break;
1252         }
1253
1254         ieee80211_hw_config(local, changes);
1255
1256         return 0;
1257 }
1258
1259 static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1260 {
1261         struct ieee80211_local *local = wiphy_priv(wiphy);
1262
1263         *dbm = local->hw.conf.power_level;
1264
1265         return 0;
1266 }
1267
1268 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1269                                   u8 *addr)
1270 {
1271         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1272
1273         memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1274
1275         return 0;
1276 }
1277
1278 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1279 {
1280         struct ieee80211_local *local = wiphy_priv(wiphy);
1281
1282         drv_rfkill_poll(local);
1283 }
1284
1285 #ifdef CONFIG_NL80211_TESTMODE
1286 static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
1287 {
1288         struct ieee80211_local *local = wiphy_priv(wiphy);
1289
1290         if (!local->ops->testmode_cmd)
1291                 return -EOPNOTSUPP;
1292
1293         return local->ops->testmode_cmd(&local->hw, data, len);
1294 }
1295 #endif
1296
1297 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1298                                     bool enabled, int timeout)
1299 {
1300         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1301         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1302         struct ieee80211_conf *conf = &local->hw.conf;
1303
1304         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1305                 return -EOPNOTSUPP;
1306
1307         if (enabled == sdata->u.mgd.powersave &&
1308             timeout == conf->dynamic_ps_timeout)
1309                 return 0;
1310
1311         sdata->u.mgd.powersave = enabled;
1312         conf->dynamic_ps_timeout = timeout;
1313
1314         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1315                 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1316
1317         ieee80211_recalc_ps(local, -1);
1318
1319         return 0;
1320 }
1321
1322 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1323                                       struct net_device *dev,
1324                                       const u8 *addr,
1325                                       const struct cfg80211_bitrate_mask *mask)
1326 {
1327         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1328         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1329         int i, err = -EINVAL;
1330         u32 target_rate;
1331         struct ieee80211_supported_band *sband;
1332
1333         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1334
1335         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1336          * target_rate = X, rate->fixed = 1 means only rate X
1337          * target_rate = X, rate->fixed = 0 means all rates <= X */
1338         sdata->max_ratectrl_rateidx = -1;
1339         sdata->force_unicast_rateidx = -1;
1340
1341         if (mask->fixed)
1342                 target_rate = mask->fixed / 100;
1343         else if (mask->maxrate)
1344                 target_rate = mask->maxrate / 100;
1345         else
1346                 return 0;
1347
1348         for (i=0; i< sband->n_bitrates; i++) {
1349                 struct ieee80211_rate *brate = &sband->bitrates[i];
1350                 int this_rate = brate->bitrate;
1351
1352                 if (target_rate == this_rate) {
1353                         sdata->max_ratectrl_rateidx = i;
1354                         if (mask->fixed)
1355                                 sdata->force_unicast_rateidx = i;
1356                         err = 0;
1357                         break;
1358                 }
1359         }
1360
1361         return err;
1362 }
1363
1364 struct cfg80211_ops mac80211_config_ops = {
1365         .add_virtual_intf = ieee80211_add_iface,
1366         .del_virtual_intf = ieee80211_del_iface,
1367         .change_virtual_intf = ieee80211_change_iface,
1368         .add_key = ieee80211_add_key,
1369         .del_key = ieee80211_del_key,
1370         .get_key = ieee80211_get_key,
1371         .set_default_key = ieee80211_config_default_key,
1372         .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1373         .add_beacon = ieee80211_add_beacon,
1374         .set_beacon = ieee80211_set_beacon,
1375         .del_beacon = ieee80211_del_beacon,
1376         .add_station = ieee80211_add_station,
1377         .del_station = ieee80211_del_station,
1378         .change_station = ieee80211_change_station,
1379         .get_station = ieee80211_get_station,
1380         .dump_station = ieee80211_dump_station,
1381 #ifdef CONFIG_MAC80211_MESH
1382         .add_mpath = ieee80211_add_mpath,
1383         .del_mpath = ieee80211_del_mpath,
1384         .change_mpath = ieee80211_change_mpath,
1385         .get_mpath = ieee80211_get_mpath,
1386         .dump_mpath = ieee80211_dump_mpath,
1387         .set_mesh_params = ieee80211_set_mesh_params,
1388         .get_mesh_params = ieee80211_get_mesh_params,
1389 #endif
1390         .change_bss = ieee80211_change_bss,
1391         .set_txq_params = ieee80211_set_txq_params,
1392         .set_channel = ieee80211_set_channel,
1393         .suspend = ieee80211_suspend,
1394         .resume = ieee80211_resume,
1395         .scan = ieee80211_scan,
1396         .auth = ieee80211_auth,
1397         .assoc = ieee80211_assoc,
1398         .deauth = ieee80211_deauth,
1399         .disassoc = ieee80211_disassoc,
1400         .join_ibss = ieee80211_join_ibss,
1401         .leave_ibss = ieee80211_leave_ibss,
1402         .set_wiphy_params = ieee80211_set_wiphy_params,
1403         .set_tx_power = ieee80211_set_tx_power,
1404         .get_tx_power = ieee80211_get_tx_power,
1405         .set_wds_peer = ieee80211_set_wds_peer,
1406         .rfkill_poll = ieee80211_rfkill_poll,
1407         CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
1408         .set_power_mgmt = ieee80211_set_power_mgmt,
1409         .set_bitrate_mask = ieee80211_set_bitrate_mask,
1410 };