linux/net/mac80211/cfg.c
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   1/*
   2 * mac80211 configuration hooks for cfg80211
   3 *
   4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
   5 *
   6 * This file is GPLv2 as found in COPYING.
   7 */
   8
   9#include <linux/ieee80211.h>
  10#include <linux/nl80211.h>
  11#include <linux/rtnetlink.h>
  12#include <net/net_namespace.h>
  13#include <linux/rcupdate.h>
  14#include <net/cfg80211.h>
  15#include "ieee80211_i.h"
  16#include "cfg.h"
  17#include "rate.h"
  18#include "mesh.h"
  19
  20static bool nl80211_type_check(enum nl80211_iftype type)
  21{
  22        switch (type) {
  23        case NL80211_IFTYPE_ADHOC:
  24        case NL80211_IFTYPE_STATION:
  25        case NL80211_IFTYPE_MONITOR:
  26#ifdef CONFIG_MAC80211_MESH
  27        case NL80211_IFTYPE_MESH_POINT:
  28#endif
  29        case NL80211_IFTYPE_AP:
  30        case NL80211_IFTYPE_AP_VLAN:
  31        case NL80211_IFTYPE_WDS:
  32                return true;
  33        default:
  34                return false;
  35        }
  36}
  37
  38static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
  39                               enum nl80211_iftype type, u32 *flags,
  40                               struct vif_params *params)
  41{
  42        struct ieee80211_local *local = wiphy_priv(wiphy);
  43        struct net_device *dev;
  44        struct ieee80211_sub_if_data *sdata;
  45        int err;
  46
  47        if (!nl80211_type_check(type))
  48                return -EINVAL;
  49
  50        err = ieee80211_if_add(local, name, &dev, type, params);
  51        if (err || type != NL80211_IFTYPE_MONITOR || !flags)
  52                return err;
  53
  54        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  55        sdata->u.mntr_flags = *flags;
  56        return 0;
  57}
  58
  59static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
  60{
  61        struct net_device *dev;
  62        struct ieee80211_sub_if_data *sdata;
  63
  64        /* we're under RTNL */
  65        dev = __dev_get_by_index(&init_net, ifindex);
  66        if (!dev)
  67                return -ENODEV;
  68
  69        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  70
  71        ieee80211_if_remove(sdata);
  72
  73        return 0;
  74}
  75
  76static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
  77                                  enum nl80211_iftype type, u32 *flags,
  78                                  struct vif_params *params)
  79{
  80        struct net_device *dev;
  81        struct ieee80211_sub_if_data *sdata;
  82        int ret;
  83
  84        /* we're under RTNL */
  85        dev = __dev_get_by_index(&init_net, ifindex);
  86        if (!dev)
  87                return -ENODEV;
  88
  89        if (!nl80211_type_check(type))
  90                return -EINVAL;
  91
  92        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  93
  94        ret = ieee80211_if_change_type(sdata, type);
  95        if (ret)
  96                return ret;
  97
  98        if (netif_running(sdata->dev))
  99                return -EBUSY;
 100
 101        if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
 102                ieee80211_sdata_set_mesh_id(sdata,
 103                                            params->mesh_id_len,
 104                                            params->mesh_id);
 105
 106        if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 107                return 0;
 108
 109        sdata->u.mntr_flags = *flags;
 110        return 0;
 111}
 112
 113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 114                             u8 key_idx, u8 *mac_addr,
 115                             struct key_params *params)
 116{
 117        struct ieee80211_sub_if_data *sdata;
 118        struct sta_info *sta = NULL;
 119        enum ieee80211_key_alg alg;
 120        struct ieee80211_key *key;
 121        int err;
 122
 123        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 124
 125        switch (params->cipher) {
 126        case WLAN_CIPHER_SUITE_WEP40:
 127        case WLAN_CIPHER_SUITE_WEP104:
 128                alg = ALG_WEP;
 129                break;
 130        case WLAN_CIPHER_SUITE_TKIP:
 131                alg = ALG_TKIP;
 132                break;
 133        case WLAN_CIPHER_SUITE_CCMP:
 134                alg = ALG_CCMP;
 135                break;
 136        case WLAN_CIPHER_SUITE_AES_CMAC:
 137                alg = ALG_AES_CMAC;
 138                break;
 139        default:
 140                return -EINVAL;
 141        }
 142
 143        key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
 144        if (!key)
 145                return -ENOMEM;
 146
 147        rcu_read_lock();
 148
 149        if (mac_addr) {
 150                sta = sta_info_get(sdata->local, mac_addr);
 151                if (!sta) {
 152                        ieee80211_key_free(key);
 153                        err = -ENOENT;
 154                        goto out_unlock;
 155                }
 156        }
 157
 158        ieee80211_key_link(key, sdata, sta);
 159
 160        err = 0;
 161 out_unlock:
 162        rcu_read_unlock();
 163
 164        return err;
 165}
 166
 167static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 168                             u8 key_idx, u8 *mac_addr)
 169{
 170        struct ieee80211_sub_if_data *sdata;
 171        struct sta_info *sta;
 172        int ret;
 173
 174        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 175
 176        rcu_read_lock();
 177
 178        if (mac_addr) {
 179                ret = -ENOENT;
 180
 181                sta = sta_info_get(sdata->local, mac_addr);
 182                if (!sta)
 183                        goto out_unlock;
 184
 185                if (sta->key) {
 186                        ieee80211_key_free(sta->key);
 187                        WARN_ON(sta->key);
 188                        ret = 0;
 189                }
 190
 191                goto out_unlock;
 192        }
 193
 194        if (!sdata->keys[key_idx]) {
 195                ret = -ENOENT;
 196                goto out_unlock;
 197        }
 198
 199        ieee80211_key_free(sdata->keys[key_idx]);
 200        WARN_ON(sdata->keys[key_idx]);
 201
 202        ret = 0;
 203 out_unlock:
 204        rcu_read_unlock();
 205
 206        return ret;
 207}
 208
 209static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
 210                             u8 key_idx, u8 *mac_addr, void *cookie,
 211                             void (*callback)(void *cookie,
 212                                              struct key_params *params))
 213{
 214        struct ieee80211_sub_if_data *sdata;
 215        struct sta_info *sta = NULL;
 216        u8 seq[6] = {0};
 217        struct key_params params;
 218        struct ieee80211_key *key;
 219        u32 iv32;
 220        u16 iv16;
 221        int err = -ENOENT;
 222
 223        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 224
 225        rcu_read_lock();
 226
 227        if (mac_addr) {
 228                sta = sta_info_get(sdata->local, mac_addr);
 229                if (!sta)
 230                        goto out;
 231
 232                key = sta->key;
 233        } else
 234                key = sdata->keys[key_idx];
 235
 236        if (!key)
 237                goto out;
 238
 239        memset(&params, 0, sizeof(params));
 240
 241        switch (key->conf.alg) {
 242        case ALG_TKIP:
 243                params.cipher = WLAN_CIPHER_SUITE_TKIP;
 244
 245                iv32 = key->u.tkip.tx.iv32;
 246                iv16 = key->u.tkip.tx.iv16;
 247
 248                if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
 249                    sdata->local->ops->get_tkip_seq)
 250                        sdata->local->ops->get_tkip_seq(
 251                                local_to_hw(sdata->local),
 252                                key->conf.hw_key_idx,
 253                                &iv32, &iv16);
 254
 255                seq[0] = iv16 & 0xff;
 256                seq[1] = (iv16 >> 8) & 0xff;
 257                seq[2] = iv32 & 0xff;
 258                seq[3] = (iv32 >> 8) & 0xff;
 259                seq[4] = (iv32 >> 16) & 0xff;
 260                seq[5] = (iv32 >> 24) & 0xff;
 261                params.seq = seq;
 262                params.seq_len = 6;
 263                break;
 264        case ALG_CCMP:
 265                params.cipher = WLAN_CIPHER_SUITE_CCMP;
 266                seq[0] = key->u.ccmp.tx_pn[5];
 267                seq[1] = key->u.ccmp.tx_pn[4];
 268                seq[2] = key->u.ccmp.tx_pn[3];
 269                seq[3] = key->u.ccmp.tx_pn[2];
 270                seq[4] = key->u.ccmp.tx_pn[1];
 271                seq[5] = key->u.ccmp.tx_pn[0];
 272                params.seq = seq;
 273                params.seq_len = 6;
 274                break;
 275        case ALG_WEP:
 276                if (key->conf.keylen == 5)
 277                        params.cipher = WLAN_CIPHER_SUITE_WEP40;
 278                else
 279                        params.cipher = WLAN_CIPHER_SUITE_WEP104;
 280                break;
 281        case ALG_AES_CMAC:
 282                params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 283                seq[0] = key->u.aes_cmac.tx_pn[5];
 284                seq[1] = key->u.aes_cmac.tx_pn[4];
 285                seq[2] = key->u.aes_cmac.tx_pn[3];
 286                seq[3] = key->u.aes_cmac.tx_pn[2];
 287                seq[4] = key->u.aes_cmac.tx_pn[1];
 288                seq[5] = key->u.aes_cmac.tx_pn[0];
 289                params.seq = seq;
 290                params.seq_len = 6;
 291                break;
 292        }
 293
 294        params.key = key->conf.key;
 295        params.key_len = key->conf.keylen;
 296
 297        callback(cookie, &params);
 298        err = 0;
 299
 300 out:
 301        rcu_read_unlock();
 302        return err;
 303}
 304
 305static int ieee80211_config_default_key(struct wiphy *wiphy,
 306                                        struct net_device *dev,
 307                                        u8 key_idx)
 308{
 309        struct ieee80211_sub_if_data *sdata;
 310
 311        rcu_read_lock();
 312
 313        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 314        ieee80211_set_default_key(sdata, key_idx);
 315
 316        rcu_read_unlock();
 317
 318        return 0;
 319}
 320
 321static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
 322                                             struct net_device *dev,
 323                                             u8 key_idx)
 324{
 325        struct ieee80211_sub_if_data *sdata;
 326
 327        rcu_read_lock();
 328
 329        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 330        ieee80211_set_default_mgmt_key(sdata, key_idx);
 331
 332        rcu_read_unlock();
 333
 334        return 0;
 335}
 336
 337static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 338{
 339        struct ieee80211_sub_if_data *sdata = sta->sdata;
 340
 341        sinfo->filled = STATION_INFO_INACTIVE_TIME |
 342                        STATION_INFO_RX_BYTES |
 343                        STATION_INFO_TX_BYTES |
 344                        STATION_INFO_RX_PACKETS |
 345                        STATION_INFO_TX_PACKETS |
 346                        STATION_INFO_TX_BITRATE;
 347
 348        sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
 349        sinfo->rx_bytes = sta->rx_bytes;
 350        sinfo->tx_bytes = sta->tx_bytes;
 351        sinfo->rx_packets = sta->rx_packets;
 352        sinfo->tx_packets = sta->tx_packets;
 353
 354        if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
 355                sinfo->filled |= STATION_INFO_SIGNAL;
 356                sinfo->signal = (s8)sta->last_signal;
 357        }
 358
 359        sinfo->txrate.flags = 0;
 360        if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
 361                sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
 362        if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 363                sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
 364        if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
 365                sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 366
 367        if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
 368                struct ieee80211_supported_band *sband;
 369                sband = sta->local->hw.wiphy->bands[
 370                                sta->local->hw.conf.channel->band];
 371                sinfo->txrate.legacy =
 372                        sband->bitrates[sta->last_tx_rate.idx].bitrate;
 373        } else
 374                sinfo->txrate.mcs = sta->last_tx_rate.idx;
 375
 376        if (ieee80211_vif_is_mesh(&sdata->vif)) {
 377#ifdef CONFIG_MAC80211_MESH
 378                sinfo->filled |= STATION_INFO_LLID |
 379                                 STATION_INFO_PLID |
 380                                 STATION_INFO_PLINK_STATE;
 381
 382                sinfo->llid = le16_to_cpu(sta->llid);
 383                sinfo->plid = le16_to_cpu(sta->plid);
 384                sinfo->plink_state = sta->plink_state;
 385#endif
 386        }
 387}
 388
 389
 390static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 391                                 int idx, u8 *mac, struct station_info *sinfo)
 392{
 393        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 394        struct sta_info *sta;
 395        int ret = -ENOENT;
 396
 397        rcu_read_lock();
 398
 399        sta = sta_info_get_by_idx(local, idx, dev);
 400        if (sta) {
 401                ret = 0;
 402                memcpy(mac, sta->sta.addr, ETH_ALEN);
 403                sta_set_sinfo(sta, sinfo);
 404        }
 405
 406        rcu_read_unlock();
 407
 408        return ret;
 409}
 410
 411static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
 412                                 u8 *mac, struct station_info *sinfo)
 413{
 414        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 415        struct sta_info *sta;
 416        int ret = -ENOENT;
 417
 418        rcu_read_lock();
 419
 420        /* XXX: verify sta->dev == dev */
 421
 422        sta = sta_info_get(local, mac);
 423        if (sta) {
 424                ret = 0;
 425                sta_set_sinfo(sta, sinfo);
 426        }
 427
 428        rcu_read_unlock();
 429
 430        return ret;
 431}
 432
 433/*
 434 * This handles both adding a beacon and setting new beacon info
 435 */
 436static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 437                                   struct beacon_parameters *params)
 438{
 439        struct beacon_data *new, *old;
 440        int new_head_len, new_tail_len;
 441        int size;
 442        int err = -EINVAL;
 443
 444        old = sdata->u.ap.beacon;
 445
 446        /* head must not be zero-length */
 447        if (params->head && !params->head_len)
 448                return -EINVAL;
 449
 450        /*
 451         * This is a kludge. beacon interval should really be part
 452         * of the beacon information.
 453         */
 454        if (params->interval && (sdata->local->hw.conf.beacon_int !=
 455                                 params->interval)) {
 456                sdata->local->hw.conf.beacon_int = params->interval;
 457                err = ieee80211_hw_config(sdata->local,
 458                                        IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
 459                if (err < 0)
 460                        return err;
 461                /*
 462                 * We updated some parameter so if below bails out
 463                 * it's not an error.
 464                 */
 465                err = 0;
 466        }
 467
 468        /* Need to have a beacon head if we don't have one yet */
 469        if (!params->head && !old)
 470                return err;
 471
 472        /* sorry, no way to start beaconing without dtim period */
 473        if (!params->dtim_period && !old)
 474                return err;
 475
 476        /* new or old head? */
 477        if (params->head)
 478                new_head_len = params->head_len;
 479        else
 480                new_head_len = old->head_len;
 481
 482        /* new or old tail? */
 483        if (params->tail || !old)
 484                /* params->tail_len will be zero for !params->tail */
 485                new_tail_len = params->tail_len;
 486        else
 487                new_tail_len = old->tail_len;
 488
 489        size = sizeof(*new) + new_head_len + new_tail_len;
 490
 491        new = kzalloc(size, GFP_KERNEL);
 492        if (!new)
 493                return -ENOMEM;
 494
 495        /* start filling the new info now */
 496
 497        /* new or old dtim period? */
 498        if (params->dtim_period)
 499                new->dtim_period = params->dtim_period;
 500        else
 501                new->dtim_period = old->dtim_period;
 502
 503        /*
 504         * pointers go into the block we allocated,
 505         * memory is | beacon_data | head | tail |
 506         */
 507        new->head = ((u8 *) new) + sizeof(*new);
 508        new->tail = new->head + new_head_len;
 509        new->head_len = new_head_len;
 510        new->tail_len = new_tail_len;
 511
 512        /* copy in head */
 513        if (params->head)
 514                memcpy(new->head, params->head, new_head_len);
 515        else
 516                memcpy(new->head, old->head, new_head_len);
 517
 518        /* copy in optional tail */
 519        if (params->tail)
 520                memcpy(new->tail, params->tail, new_tail_len);
 521        else
 522                if (old)
 523                        memcpy(new->tail, old->tail, new_tail_len);
 524
 525        rcu_assign_pointer(sdata->u.ap.beacon, new);
 526
 527        synchronize_rcu();
 528
 529        kfree(old);
 530
 531        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
 532                                          IEEE80211_IFCC_BEACON_ENABLED);
 533}
 534
 535static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 536                                struct beacon_parameters *params)
 537{
 538        struct ieee80211_sub_if_data *sdata;
 539        struct beacon_data *old;
 540
 541        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 542
 543        old = sdata->u.ap.beacon;
 544
 545        if (old)
 546                return -EALREADY;
 547
 548        return ieee80211_config_beacon(sdata, params);
 549}
 550
 551static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 552                                struct beacon_parameters *params)
 553{
 554        struct ieee80211_sub_if_data *sdata;
 555        struct beacon_data *old;
 556
 557        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 558
 559        old = sdata->u.ap.beacon;
 560
 561        if (!old)
 562                return -ENOENT;
 563
 564        return ieee80211_config_beacon(sdata, params);
 565}
 566
 567static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 568{
 569        struct ieee80211_sub_if_data *sdata;
 570        struct beacon_data *old;
 571
 572        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 573
 574        old = sdata->u.ap.beacon;
 575
 576        if (!old)
 577                return -ENOENT;
 578
 579        rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 580        synchronize_rcu();
 581        kfree(old);
 582
 583        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
 584}
 585
 586/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
 587struct iapp_layer2_update {
 588        u8 da[ETH_ALEN];        /* broadcast */
 589        u8 sa[ETH_ALEN];        /* STA addr */
 590        __be16 len;             /* 6 */
 591        u8 dsap;                /* 0 */
 592        u8 ssap;                /* 0 */
 593        u8 control;
 594        u8 xid_info[3];
 595} __attribute__ ((packed));
 596
 597static void ieee80211_send_layer2_update(struct sta_info *sta)
 598{
 599        struct iapp_layer2_update *msg;
 600        struct sk_buff *skb;
 601
 602        /* Send Level 2 Update Frame to update forwarding tables in layer 2
 603         * bridge devices */
 604
 605        skb = dev_alloc_skb(sizeof(*msg));
 606        if (!skb)
 607                return;
 608        msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
 609
 610        /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
 611         * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 612
 613        memset(msg->da, 0xff, ETH_ALEN);
 614        memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 615        msg->len = htons(6);
 616        msg->dsap = 0;
 617        msg->ssap = 0x01;       /* NULL LSAP, CR Bit: Response */
 618        msg->control = 0xaf;    /* XID response lsb.1111F101.
 619                                 * F=0 (no poll command; unsolicited frame) */
 620        msg->xid_info[0] = 0x81;        /* XID format identifier */
 621        msg->xid_info[1] = 1;   /* LLC types/classes: Type 1 LLC */
 622        msg->xid_info[2] = 0;   /* XID sender's receive window size (RW) */
 623
 624        skb->dev = sta->sdata->dev;
 625        skb->protocol = eth_type_trans(skb, sta->sdata->dev);
 626        memset(skb->cb, 0, sizeof(skb->cb));
 627        netif_rx(skb);
 628}
 629
 630static void sta_apply_parameters(struct ieee80211_local *local,
 631                                 struct sta_info *sta,
 632                                 struct station_parameters *params)
 633{
 634        u32 rates;
 635        int i, j;
 636        struct ieee80211_supported_band *sband;
 637        struct ieee80211_sub_if_data *sdata = sta->sdata;
 638
 639        sband = local->hw.wiphy->bands[local->oper_channel->band];
 640
 641        /*
 642         * FIXME: updating the flags is racy when this function is
 643         *        called from ieee80211_change_station(), this will
 644         *        be resolved in a future patch.
 645         */
 646
 647        if (params->station_flags & STATION_FLAG_CHANGED) {
 648                spin_lock_bh(&sta->lock);
 649                sta->flags &= ~WLAN_STA_AUTHORIZED;
 650                if (params->station_flags & STATION_FLAG_AUTHORIZED)
 651                        sta->flags |= WLAN_STA_AUTHORIZED;
 652
 653                sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
 654                if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
 655                        sta->flags |= WLAN_STA_SHORT_PREAMBLE;
 656
 657                sta->flags &= ~WLAN_STA_WME;
 658                if (params->station_flags & STATION_FLAG_WME)
 659                        sta->flags |= WLAN_STA_WME;
 660
 661                sta->flags &= ~WLAN_STA_MFP;
 662                if (params->station_flags & STATION_FLAG_MFP)
 663                        sta->flags |= WLAN_STA_MFP;
 664                spin_unlock_bh(&sta->lock);
 665        }
 666
 667        /*
 668         * FIXME: updating the following information is racy when this
 669         *        function is called from ieee80211_change_station().
 670         *        However, all this information should be static so
 671         *        maybe we should just reject attemps to change it.
 672         */
 673
 674        if (params->aid) {
 675                sta->sta.aid = params->aid;
 676                if (sta->sta.aid > IEEE80211_MAX_AID)
 677                        sta->sta.aid = 0; /* XXX: should this be an error? */
 678        }
 679
 680        if (params->listen_interval >= 0)
 681                sta->listen_interval = params->listen_interval;
 682
 683        if (params->supported_rates) {
 684                rates = 0;
 685
 686                for (i = 0; i < params->supported_rates_len; i++) {
 687                        int rate = (params->supported_rates[i] & 0x7f) * 5;
 688                        for (j = 0; j < sband->n_bitrates; j++) {
 689                                if (sband->bitrates[j].bitrate == rate)
 690                                        rates |= BIT(j);
 691                        }
 692                }
 693                sta->sta.supp_rates[local->oper_channel->band] = rates;
 694        }
 695
 696        if (params->ht_capa)
 697                ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
 698                                                  params->ht_capa,
 699                                                  &sta->sta.ht_cap);
 700
 701        if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
 702                switch (params->plink_action) {
 703                case PLINK_ACTION_OPEN:
 704                        mesh_plink_open(sta);
 705                        break;
 706                case PLINK_ACTION_BLOCK:
 707                        mesh_plink_block(sta);
 708                        break;
 709                }
 710        }
 711}
 712
 713static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 714                                 u8 *mac, struct station_parameters *params)
 715{
 716        struct ieee80211_local *local = wiphy_priv(wiphy);
 717        struct sta_info *sta;
 718        struct ieee80211_sub_if_data *sdata;
 719        int err;
 720        int layer2_update;
 721
 722        if (params->vlan) {
 723                sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 724
 725                if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 726                    sdata->vif.type != NL80211_IFTYPE_AP)
 727                        return -EINVAL;
 728        } else
 729                sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 730
 731        if (compare_ether_addr(mac, dev->dev_addr) == 0)
 732                return -EINVAL;
 733
 734        if (is_multicast_ether_addr(mac))
 735                return -EINVAL;
 736
 737        sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
 738        if (!sta)
 739                return -ENOMEM;
 740
 741        sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
 742
 743        sta_apply_parameters(local, sta, params);
 744
 745        rate_control_rate_init(sta);
 746
 747        layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
 748                sdata->vif.type == NL80211_IFTYPE_AP;
 749
 750        rcu_read_lock();
 751
 752        err = sta_info_insert(sta);
 753        if (err) {
 754                /* STA has been freed */
 755                if (err == -EEXIST && layer2_update) {
 756                        /* Need to update layer 2 devices on reassociation */
 757                        sta = sta_info_get(local, mac);
 758                        if (sta)
 759                                ieee80211_send_layer2_update(sta);
 760                }
 761                rcu_read_unlock();
 762                return err;
 763        }
 764
 765        if (layer2_update)
 766                ieee80211_send_layer2_update(sta);
 767
 768        rcu_read_unlock();
 769
 770        return 0;
 771}
 772
 773static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
 774                                 u8 *mac)
 775{
 776        struct ieee80211_local *local = wiphy_priv(wiphy);
 777        struct ieee80211_sub_if_data *sdata;
 778        struct sta_info *sta;
 779
 780        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 781
 782        if (mac) {
 783                rcu_read_lock();
 784
 785                /* XXX: get sta belonging to dev */
 786                sta = sta_info_get(local, mac);
 787                if (!sta) {
 788                        rcu_read_unlock();
 789                        return -ENOENT;
 790                }
 791
 792                sta_info_unlink(&sta);
 793                rcu_read_unlock();
 794
 795                sta_info_destroy(sta);
 796        } else
 797                sta_info_flush(local, sdata);
 798
 799        return 0;
 800}
 801
 802static int ieee80211_change_station(struct wiphy *wiphy,
 803                                    struct net_device *dev,
 804                                    u8 *mac,
 805                                    struct station_parameters *params)
 806{
 807        struct ieee80211_local *local = wiphy_priv(wiphy);
 808        struct sta_info *sta;
 809        struct ieee80211_sub_if_data *vlansdata;
 810
 811        rcu_read_lock();
 812
 813        /* XXX: get sta belonging to dev */
 814        sta = sta_info_get(local, mac);
 815        if (!sta) {
 816                rcu_read_unlock();
 817                return -ENOENT;
 818        }
 819
 820        if (params->vlan && params->vlan != sta->sdata->dev) {
 821                vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 822
 823                if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
 824                    vlansdata->vif.type != NL80211_IFTYPE_AP) {
 825                        rcu_read_unlock();
 826                        return -EINVAL;
 827                }
 828
 829                sta->sdata = vlansdata;
 830                ieee80211_send_layer2_update(sta);
 831        }
 832
 833        sta_apply_parameters(local, sta, params);
 834
 835        rcu_read_unlock();
 836
 837        return 0;
 838}
 839
 840#ifdef CONFIG_MAC80211_MESH
 841static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 842                                 u8 *dst, u8 *next_hop)
 843{
 844        struct ieee80211_local *local = wiphy_priv(wiphy);
 845        struct ieee80211_sub_if_data *sdata;
 846        struct mesh_path *mpath;
 847        struct sta_info *sta;
 848        int err;
 849
 850        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 851
 852        rcu_read_lock();
 853        sta = sta_info_get(local, next_hop);
 854        if (!sta) {
 855                rcu_read_unlock();
 856                return -ENOENT;
 857        }
 858
 859        err = mesh_path_add(dst, sdata);
 860        if (err) {
 861                rcu_read_unlock();
 862                return err;
 863        }
 864
 865        mpath = mesh_path_lookup(dst, sdata);
 866        if (!mpath) {
 867                rcu_read_unlock();
 868                return -ENXIO;
 869        }
 870        mesh_path_fix_nexthop(mpath, sta);
 871
 872        rcu_read_unlock();
 873        return 0;
 874}
 875
 876static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 877                                 u8 *dst)
 878{
 879        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 880
 881        if (dst)
 882                return mesh_path_del(dst, sdata);
 883
 884        mesh_path_flush(sdata);
 885        return 0;
 886}
 887
 888static int ieee80211_change_mpath(struct wiphy *wiphy,
 889                                    struct net_device *dev,
 890                                    u8 *dst, u8 *next_hop)
 891{
 892        struct ieee80211_local *local = wiphy_priv(wiphy);
 893        struct ieee80211_sub_if_data *sdata;
 894        struct mesh_path *mpath;
 895        struct sta_info *sta;
 896
 897        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 898
 899        rcu_read_lock();
 900
 901        sta = sta_info_get(local, next_hop);
 902        if (!sta) {
 903                rcu_read_unlock();
 904                return -ENOENT;
 905        }
 906
 907        mpath = mesh_path_lookup(dst, sdata);
 908        if (!mpath) {
 909                rcu_read_unlock();
 910                return -ENOENT;
 911        }
 912
 913        mesh_path_fix_nexthop(mpath, sta);
 914
 915        rcu_read_unlock();
 916        return 0;
 917}
 918
 919static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 920                            struct mpath_info *pinfo)
 921{
 922        if (mpath->next_hop)
 923                memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 924        else
 925                memset(next_hop, 0, ETH_ALEN);
 926
 927        pinfo->filled = MPATH_INFO_FRAME_QLEN |
 928                        MPATH_INFO_DSN |
 929                        MPATH_INFO_METRIC |
 930                        MPATH_INFO_EXPTIME |
 931                        MPATH_INFO_DISCOVERY_TIMEOUT |
 932                        MPATH_INFO_DISCOVERY_RETRIES |
 933                        MPATH_INFO_FLAGS;
 934
 935        pinfo->frame_qlen = mpath->frame_queue.qlen;
 936        pinfo->dsn = mpath->dsn;
 937        pinfo->metric = mpath->metric;
 938        if (time_before(jiffies, mpath->exp_time))
 939                pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
 940        pinfo->discovery_timeout =
 941                        jiffies_to_msecs(mpath->discovery_timeout);
 942        pinfo->discovery_retries = mpath->discovery_retries;
 943        pinfo->flags = 0;
 944        if (mpath->flags & MESH_PATH_ACTIVE)
 945                pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 946        if (mpath->flags & MESH_PATH_RESOLVING)
 947                pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 948        if (mpath->flags & MESH_PATH_DSN_VALID)
 949                pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
 950        if (mpath->flags & MESH_PATH_FIXED)
 951                pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
 952        if (mpath->flags & MESH_PATH_RESOLVING)
 953                pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
 954
 955        pinfo->flags = mpath->flags;
 956}
 957
 958static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 959                               u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 960
 961{
 962        struct ieee80211_sub_if_data *sdata;
 963        struct mesh_path *mpath;
 964
 965        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 966
 967        rcu_read_lock();
 968        mpath = mesh_path_lookup(dst, sdata);
 969        if (!mpath) {
 970                rcu_read_unlock();
 971                return -ENOENT;
 972        }
 973        memcpy(dst, mpath->dst, ETH_ALEN);
 974        mpath_set_pinfo(mpath, next_hop, pinfo);
 975        rcu_read_unlock();
 976        return 0;
 977}
 978
 979static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 980                                 int idx, u8 *dst, u8 *next_hop,
 981                                 struct mpath_info *pinfo)
 982{
 983        struct ieee80211_sub_if_data *sdata;
 984        struct mesh_path *mpath;
 985
 986        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 987
 988        rcu_read_lock();
 989        mpath = mesh_path_lookup_by_idx(idx, sdata);
 990        if (!mpath) {
 991                rcu_read_unlock();
 992                return -ENOENT;
 993        }
 994        memcpy(dst, mpath->dst, ETH_ALEN);
 995        mpath_set_pinfo(mpath, next_hop, pinfo);
 996        rcu_read_unlock();
 997        return 0;
 998}
 999
1000static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1001                                struct net_device *dev,
1002                                struct mesh_config *conf)
1003{
1004        struct ieee80211_sub_if_data *sdata;
1005        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1006
1007        memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1008        return 0;
1009}
1010
1011static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1012{
1013        return (mask >> (parm-1)) & 0x1;
1014}
1015
1016static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1017                                struct net_device *dev,
1018                                const struct mesh_config *nconf, u32 mask)
1019{
1020        struct mesh_config *conf;
1021        struct ieee80211_sub_if_data *sdata;
1022        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1023
1024        /* Set the config options which we are interested in setting */
1025        conf = &(sdata->u.mesh.mshcfg);
1026        if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1027                conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1028        if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1029                conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1030        if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1031                conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1032        if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1033                conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1034        if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1035                conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1036        if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1037                conf->dot11MeshTTL = nconf->dot11MeshTTL;
1038        if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1039                conf->auto_open_plinks = nconf->auto_open_plinks;
1040        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1041                conf->dot11MeshHWMPmaxPREQretries =
1042                        nconf->dot11MeshHWMPmaxPREQretries;
1043        if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1044                conf->path_refresh_time = nconf->path_refresh_time;
1045        if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1046                conf->min_discovery_timeout = nconf->min_discovery_timeout;
1047        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1048                conf->dot11MeshHWMPactivePathTimeout =
1049                        nconf->dot11MeshHWMPactivePathTimeout;
1050        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1051                conf->dot11MeshHWMPpreqMinInterval =
1052                        nconf->dot11MeshHWMPpreqMinInterval;
1053        if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1054                           mask))
1055                conf->dot11MeshHWMPnetDiameterTraversalTime =
1056                        nconf->dot11MeshHWMPnetDiameterTraversalTime;
1057        return 0;
1058}
1059
1060#endif
1061
1062static int ieee80211_change_bss(struct wiphy *wiphy,
1063                                struct net_device *dev,
1064                                struct bss_parameters *params)
1065{
1066        struct ieee80211_sub_if_data *sdata;
1067        u32 changed = 0;
1068
1069        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1070
1071        if (params->use_cts_prot >= 0) {
1072                sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
1073                changed |= BSS_CHANGED_ERP_CTS_PROT;
1074        }
1075        if (params->use_short_preamble >= 0) {
1076                sdata->vif.bss_conf.use_short_preamble =
1077                        params->use_short_preamble;
1078                changed |= BSS_CHANGED_ERP_PREAMBLE;
1079        }
1080        if (params->use_short_slot_time >= 0) {
1081                sdata->vif.bss_conf.use_short_slot =
1082                        params->use_short_slot_time;
1083                changed |= BSS_CHANGED_ERP_SLOT;
1084        }
1085
1086        if (params->basic_rates) {
1087                int i, j;
1088                u32 rates = 0;
1089                struct ieee80211_local *local = wiphy_priv(wiphy);
1090                struct ieee80211_supported_band *sband =
1091                        wiphy->bands[local->oper_channel->band];
1092
1093                for (i = 0; i < params->basic_rates_len; i++) {
1094                        int rate = (params->basic_rates[i] & 0x7f) * 5;
1095                        for (j = 0; j < sband->n_bitrates; j++) {
1096                                if (sband->bitrates[j].bitrate == rate)
1097                                        rates |= BIT(j);
1098                        }
1099                }
1100                sdata->vif.bss_conf.basic_rates = rates;
1101                changed |= BSS_CHANGED_BASIC_RATES;
1102        }
1103
1104        ieee80211_bss_info_change_notify(sdata, changed);
1105
1106        return 0;
1107}
1108
1109static int ieee80211_set_txq_params(struct wiphy *wiphy,
1110                                    struct ieee80211_txq_params *params)
1111{
1112        struct ieee80211_local *local = wiphy_priv(wiphy);
1113        struct ieee80211_tx_queue_params p;
1114
1115        if (!local->ops->conf_tx)
1116                return -EOPNOTSUPP;
1117
1118        memset(&p, 0, sizeof(p));
1119        p.aifs = params->aifs;
1120        p.cw_max = params->cwmax;
1121        p.cw_min = params->cwmin;
1122        p.txop = params->txop;
1123        if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
1124                printk(KERN_DEBUG "%s: failed to set TX queue "
1125                       "parameters for queue %d\n", local->mdev->name,
1126                       params->queue);
1127                return -EINVAL;
1128        }
1129
1130        return 0;
1131}
1132
1133static int ieee80211_set_channel(struct wiphy *wiphy,
1134                                 struct ieee80211_channel *chan,
1135                                 enum nl80211_channel_type channel_type)
1136{
1137        struct ieee80211_local *local = wiphy_priv(wiphy);
1138
1139        local->oper_channel = chan;
1140        local->oper_channel_type = channel_type;
1141
1142        return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1143}
1144
1145#ifdef CONFIG_PM
1146static int ieee80211_suspend(struct wiphy *wiphy)
1147{
1148        return __ieee80211_suspend(wiphy_priv(wiphy));
1149}
1150
1151static int ieee80211_resume(struct wiphy *wiphy)
1152{
1153        return __ieee80211_resume(wiphy_priv(wiphy));
1154}
1155#else
1156#define ieee80211_suspend NULL
1157#define ieee80211_resume NULL
1158#endif
1159
1160static int ieee80211_scan(struct wiphy *wiphy,
1161                          struct net_device *dev,
1162                          struct cfg80211_scan_request *req)
1163{
1164        struct ieee80211_sub_if_data *sdata;
1165
1166        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1167
1168        if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1169            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1170            sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1171                return -EOPNOTSUPP;
1172
1173        return ieee80211_request_scan(sdata, req);
1174}
1175
1176static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1177                          struct cfg80211_auth_request *req)
1178{
1179        struct ieee80211_sub_if_data *sdata;
1180
1181        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1182
1183        switch (req->auth_type) {
1184        case NL80211_AUTHTYPE_OPEN_SYSTEM:
1185                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
1186                break;
1187        case NL80211_AUTHTYPE_SHARED_KEY:
1188                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
1189                break;
1190        case NL80211_AUTHTYPE_FT:
1191                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
1192                break;
1193        case NL80211_AUTHTYPE_NETWORK_EAP:
1194                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
1195                break;
1196        default:
1197                return -EOPNOTSUPP;
1198        }
1199
1200        memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
1201        sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1202        sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1203
1204        /* TODO: req->chan */
1205        sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1206
1207        if (req->ssid) {
1208                sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1209                memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1210                sdata->u.mgd.ssid_len = req->ssid_len;
1211                sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1212        }
1213
1214        kfree(sdata->u.mgd.sme_auth_ie);
1215        sdata->u.mgd.sme_auth_ie = NULL;
1216        sdata->u.mgd.sme_auth_ie_len = 0;
1217        if (req->ie) {
1218                sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
1219                if (sdata->u.mgd.sme_auth_ie == NULL)
1220                        return -ENOMEM;
1221                memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
1222                sdata->u.mgd.sme_auth_ie_len = req->ie_len;
1223        }
1224
1225        sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1226        sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
1227        ieee80211_sta_req_auth(sdata);
1228        return 0;
1229}
1230
1231static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1232                           struct cfg80211_assoc_request *req)
1233{
1234        struct ieee80211_sub_if_data *sdata;
1235        int ret;
1236
1237        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1238
1239        if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
1240            !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
1241                return -ENOLINK; /* not authenticated */
1242
1243        sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
1244        sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
1245
1246        /* TODO: req->chan */
1247        sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
1248
1249        if (req->ssid) {
1250                sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
1251                memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
1252                sdata->u.mgd.ssid_len = req->ssid_len;
1253                sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
1254        } else
1255                sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
1256
1257        ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
1258        if (ret)
1259                return ret;
1260
1261        sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
1262        sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
1263        ieee80211_sta_req_auth(sdata);
1264        return 0;
1265}
1266
1267static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
1268                            struct cfg80211_deauth_request *req)
1269{
1270        struct ieee80211_sub_if_data *sdata;
1271
1272        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1273
1274        /* TODO: req->ie */
1275        return ieee80211_sta_deauthenticate(sdata, req->reason_code);
1276}
1277
1278static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
1279                              struct cfg80211_disassoc_request *req)
1280{
1281        struct ieee80211_sub_if_data *sdata;
1282
1283        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1284
1285        /* TODO: req->ie */
1286        return ieee80211_sta_disassociate(sdata, req->reason_code);
1287}
1288
1289struct cfg80211_ops mac80211_config_ops = {
1290        .add_virtual_intf = ieee80211_add_iface,
1291        .del_virtual_intf = ieee80211_del_iface,
1292        .change_virtual_intf = ieee80211_change_iface,
1293        .add_key = ieee80211_add_key,
1294        .del_key = ieee80211_del_key,
1295        .get_key = ieee80211_get_key,
1296        .set_default_key = ieee80211_config_default_key,
1297        .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
1298        .add_beacon = ieee80211_add_beacon,
1299        .set_beacon = ieee80211_set_beacon,
1300        .del_beacon = ieee80211_del_beacon,
1301        .add_station = ieee80211_add_station,
1302        .del_station = ieee80211_del_station,
1303        .change_station = ieee80211_change_station,
1304        .get_station = ieee80211_get_station,
1305        .dump_station = ieee80211_dump_station,
1306#ifdef CONFIG_MAC80211_MESH
1307        .add_mpath = ieee80211_add_mpath,
1308        .del_mpath = ieee80211_del_mpath,
1309        .change_mpath = ieee80211_change_mpath,
1310        .get_mpath = ieee80211_get_mpath,
1311        .dump_mpath = ieee80211_dump_mpath,
1312        .set_mesh_params = ieee80211_set_mesh_params,
1313        .get_mesh_params = ieee80211_get_mesh_params,
1314#endif
1315        .change_bss = ieee80211_change_bss,
1316        .set_txq_params = ieee80211_set_txq_params,
1317        .set_channel = ieee80211_set_channel,
1318        .suspend = ieee80211_suspend,
1319        .resume = ieee80211_resume,
1320        .scan = ieee80211_scan,
1321        .auth = ieee80211_auth,
1322        .assoc = ieee80211_assoc,
1323        .deauth = ieee80211_deauth,
1324        .disassoc = ieee80211_disassoc,
1325};
1326