drivers/staging/rtl8188eu/core/rtw_ap.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  ******************************************************************************/
  15 #define _RTW_AP_C_
  16
  17 #include <linux/ieee80211.h>
  18
  19 #include <osdep_service.h>
  20 #include <drv_types.h>
  21 #include <wifi.h>
  22 #include <ieee80211.h>
  23 #include <asm/unaligned.h>
  24
  25 #ifdef CONFIG_88EU_AP_MODE
  26
  27 void init_mlme_ap_info(struct adapter *padapter)
  28 {
  29         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  30         struct sta_priv *pstapriv = &padapter->stapriv;
  31         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
  32
  33         spin_lock_init(&pmlmepriv->bcn_update_lock);
  34
  35         /* for ACL */
  36         _rtw_init_queue(&pacl_list->acl_node_q);
  37
  38         start_ap_mode(padapter);
  39 }
  40
  41 void free_mlme_ap_info(struct adapter *padapter)
  42 {
  43         struct sta_info *psta = NULL;
  44         struct sta_priv *pstapriv = &padapter->stapriv;
  45         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  46         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  47         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
  48
  49         pmlmepriv->update_bcn = false;
  50         pmlmeext->bstart_bss = false;
  51
  52         rtw_sta_flush(padapter);
  53
  54         pmlmeinfo->state = _HW_STATE_NOLINK_;
  55
  56         /* free_assoc_sta_resources */
  57         rtw_free_all_stainfo(padapter);
  58
  59         /* free bc/mc sta_info */
  60         psta = rtw_get_bcmc_stainfo(padapter);
  61         spin_lock_bh(&pstapriv->sta_hash_lock);
  62         rtw_free_stainfo(padapter, psta);
  63         spin_unlock_bh(&pstapriv->sta_hash_lock);
  64 }
  65
  66 static void update_BCNTIM(struct adapter *padapter)
  67 {
  68         struct sta_priv *pstapriv = &padapter->stapriv;
  69         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  70         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  71         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
  72         unsigned char *pie = pnetwork_mlmeext->IEs;
  73         u8 *p, *dst_ie, *premainder_ie = NULL;
  74         u8 *pbackup_remainder_ie = NULL;
  75         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  76
  77         /* update TIM IE */
  78         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
  79                         pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
  80         if (p && tim_ielen > 0) {
  81                 tim_ielen += 2;
  82                 premainder_ie = p + tim_ielen;
  83                 tim_ie_offset = (int)(p - pie);
  84                 remainder_ielen = pnetwork_mlmeext->IELength -
  85                                         tim_ie_offset - tim_ielen;
  86                 /* append TIM IE from dst_ie offset */
  87                 dst_ie = p;
  88         } else {
  89                 tim_ielen = 0;
  90
  91                 /* calculate head_len */
  92                 offset = _FIXED_IE_LENGTH_;
  93                 offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
  94
  95                 /*  get supported rates len */
  96                 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
  97                                &tmp_len, (pnetwork_mlmeext->IELength -
  98                                           _BEACON_IE_OFFSET_));
  99                 if (p)
 100                         offset += tmp_len+2;
 101
 102                 /* DS Parameter Set IE, len = 3 */
 103                 offset += 3;
 104
 105                 premainder_ie = pie + offset;
 106
 107                 remainder_ielen = pnetwork_mlmeext->IELength -
 108                                         offset - tim_ielen;
 109
 110                 /* append TIM IE from offset */
 111                 dst_ie = pie + offset;
 112         }
 113
 114         if (remainder_ielen > 0) {
 115                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 116                 if (pbackup_remainder_ie && premainder_ie)
 117                         memcpy(pbackup_remainder_ie, premainder_ie,
 118                                remainder_ielen);
 119         }
 120         *dst_ie++ = _TIM_IE_;
 121
 122         if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
 123                 tim_ielen = 5;
 124         else
 125                 tim_ielen = 4;
 126
 127         *dst_ie++ = tim_ielen;
 128
 129         *dst_ie++ = 0;/* DTIM count */
 130         *dst_ie++ = 1;/* DTIM period */
 131
 132         if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
 133                 *dst_ie++ = BIT(0);/* bitmap ctrl */
 134         else
 135                 *dst_ie++ = 0;
 136
 137         if (tim_ielen == 4) {
 138                 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
 139         } else if (tim_ielen == 5) {
 140                 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
 141                 dst_ie += 2;
 142         }
 143
 144         /* copy remainder IE */
 145         if (pbackup_remainder_ie) {
 146                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 147
 148                 kfree(pbackup_remainder_ie);
 149         }
 150         offset =  (uint)(dst_ie - pie);
 151         pnetwork_mlmeext->IELength = offset + remainder_ielen;
 152
 153         set_tx_beacon_cmd(padapter);
 154 }
 155
 156 void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
 157                     u8 index, u8 *data, u8 len)
 158 {
 159         struct ndis_802_11_var_ie *pIE;
 160         u8 bmatch = false;
 161         u8 *pie = pnetwork->IEs;
 162         u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
 163         u8 *pbackup_remainder_ie = NULL;
 164         u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
 165
 166         for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
 167                 pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
 168
 169                 if (pIE->ElementID > index) {
 170                         break;
 171                 /*  already exist the same IE */
 172                 } else if (pIE->ElementID == index) {
 173                         p = (u8 *)pIE;
 174                         ielen = pIE->Length;
 175                         bmatch = true;
 176                         break;
 177                 }
 178                 p = (u8 *)pIE;
 179                 ielen = pIE->Length;
 180                 i += (pIE->Length + 2);
 181         }
 182
 183         if (p && ielen > 0) {
 184                 ielen += 2;
 185
 186                 premainder_ie = p + ielen;
 187
 188                 ie_offset = (int)(p - pie);
 189
 190                 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
 191
 192                 if (bmatch)
 193                         dst_ie = p;
 194                 else
 195                         dst_ie = p + ielen;
 196         }
 197
 198         if (remainder_ielen > 0) {
 199                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 200                 if (pbackup_remainder_ie && premainder_ie)
 201                         memcpy(pbackup_remainder_ie, premainder_ie,
 202                                remainder_ielen);
 203         }
 204
 205         *dst_ie++ = index;
 206         *dst_ie++ = len;
 207
 208         memcpy(dst_ie, data, len);
 209         dst_ie += len;
 210
 211         /* copy remainder IE */
 212         if (pbackup_remainder_ie) {
 213                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 214
 215                 kfree(pbackup_remainder_ie);
 216         }
 217
 218         offset =  (uint)(dst_ie - pie);
 219         pnetwork->IELength = offset + remainder_ielen;
 220 }
 221
 222 void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
 223                        u8 index)
 224 {
 225         u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
 226         u8 *pbackup_remainder_ie = NULL;
 227         uint offset, ielen, ie_offset, remainder_ielen = 0;
 228         u8      *pie = pnetwork->IEs;
 229
 230         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
 231                        pnetwork->IELength - _FIXED_IE_LENGTH_);
 232         if (p && ielen > 0) {
 233                 ielen += 2;
 234
 235                 premainder_ie = p + ielen;
 236
 237                 ie_offset = (int)(p - pie);
 238
 239                 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
 240
 241                 dst_ie = p;
 242         }
 243
 244         if (remainder_ielen > 0) {
 245                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 246                 if (pbackup_remainder_ie && premainder_ie)
 247                         memcpy(pbackup_remainder_ie, premainder_ie,
 248                                remainder_ielen);
 249         }
 250
 251         /* copy remainder IE */
 252         if (pbackup_remainder_ie) {
 253                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 254
 255                 kfree(pbackup_remainder_ie);
 256         }
 257
 258         offset =  (uint)(dst_ie - pie);
 259         pnetwork->IELength = offset + remainder_ielen;
 260 }
 261
 262 static u8 chk_sta_is_alive(struct sta_info *psta)
 263 {
 264         u8 ret = false;
 265
 266         if ((psta->sta_stats.last_rx_data_pkts +
 267                         psta->sta_stats.last_rx_ctrl_pkts) ==
 268                         (psta->sta_stats.rx_data_pkts +
 269                         psta->sta_stats.rx_ctrl_pkts))
 270                 ;
 271         else
 272                 ret = true;
 273
 274         sta_update_last_rx_pkts(psta);
 275
 276         return ret;
 277 }
 278
 279 void    expire_timeout_chk(struct adapter *padapter)
 280 {
 281         struct list_head *phead, *plist;
 282         u8 updated = 0;
 283         struct sta_info *psta = NULL;
 284         struct sta_priv *pstapriv = &padapter->stapriv;
 285         u8 chk_alive_num = 0;
 286         char chk_alive_list[NUM_STA];
 287         int i;
 288
 289         spin_lock_bh(&pstapriv->auth_list_lock);
 290
 291         phead = &pstapriv->auth_list;
 292         plist = phead->next;
 293
 294         /* check auth_queue */
 295         while (phead != plist) {
 296                 psta = container_of(plist, struct sta_info, auth_list);
 297                 plist = plist->next;
 298
 299                 if (psta->expire_to > 0) {
 300                         psta->expire_to--;
 301                         if (psta->expire_to == 0) {
 302                                 list_del_init(&psta->auth_list);
 303                                 pstapriv->auth_list_cnt--;
 304
 305                                 DBG_88E("auth expire %6ph\n",
 306                                         psta->hwaddr);
 307
 308                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 309
 310                                 spin_lock_bh(&pstapriv->sta_hash_lock);
 311                                 rtw_free_stainfo(padapter, psta);
 312                                 spin_unlock_bh(&pstapriv->sta_hash_lock);
 313
 314                                 spin_lock_bh(&pstapriv->auth_list_lock);
 315                         }
 316                 }
 317
 318         }
 319         spin_unlock_bh(&pstapriv->auth_list_lock);
 320
 321         psta = NULL;
 322
 323         spin_lock_bh(&pstapriv->asoc_list_lock);
 324
 325         phead = &pstapriv->asoc_list;
 326         plist = phead->next;
 327
 328         /* check asoc_queue */
 329         while (phead != plist) {
 330                 psta = container_of(plist, struct sta_info, asoc_list);
 331                 plist = plist->next;
 332
 333                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 334                         psta->expire_to = pstapriv->expire_to;
 335                         psta->keep_alive_trycnt = 0;
 336                         psta->under_exist_checking = 0;
 337                 } else {
 338                         psta->expire_to--;
 339                 }
 340
 341                 if (psta->expire_to <= 0) {
 342                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 343
 344                         if (padapter->registrypriv.wifi_spec == 1) {
 345                                 psta->expire_to = pstapriv->expire_to;
 346                                 continue;
 347                         }
 348
 349                         if (psta->state & WIFI_SLEEP_STATE) {
 350                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 351                                         /* to check if alive by another methods
 352                                          * if station is at ps mode.
 353                                          */
 354                                         psta->expire_to = pstapriv->expire_to;
 355                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 356
 357                                         /* to update bcn with tim_bitmap
 358                                          * for this station
 359                                          */
 360                                         pstapriv->tim_bitmap |= BIT(psta->aid);
 361                                         update_beacon(padapter, _TIM_IE_, NULL,
 362                                                       false);
 363
 364                                         if (!pmlmeext->active_keep_alive_check)
 365                                                 continue;
 366                                 }
 367                         }
 368                         if (pmlmeext->active_keep_alive_check) {
 369                                 int stainfo_offset;
 370
 371                                 stainfo_offset =
 372                                         rtw_stainfo_offset(pstapriv, psta);
 373                                 if (stainfo_offset_valid(stainfo_offset))
 374                                         chk_alive_list[chk_alive_num++] = stainfo_offset;
 375                                 continue;
 376                         }
 377
 378                         list_del_init(&psta->asoc_list);
 379                         pstapriv->asoc_list_cnt--;
 380
 381                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 382                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 383                 } else {
 384                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 385                         if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
 386                             padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
 387                                 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
 388                                         (psta->hwaddr), psta->sleepq_len,
 389                                         padapter->xmitpriv.free_xmitframe_cnt,
 390                                         pstapriv->asoc_list_cnt);
 391                                 wakeup_sta_to_xmit(padapter, psta);
 392                         }
 393                 }
 394         }
 395
 396         spin_unlock_bh(&pstapriv->asoc_list_lock);
 397
 398         if (chk_alive_num) {
 399                 u8 backup_oper_channel = 0;
 400                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 401                 /* switch to correct channel of current network  before issue keep-alive frames */
 402                 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
 403                         backup_oper_channel = rtw_get_oper_ch(padapter);
 404                         SelectChannel(padapter, pmlmeext->cur_channel);
 405                 }
 406
 407                 /* issue null data to check sta alive*/
 408                 for (i = 0; i < chk_alive_num; i++) {
 409                         int ret = _FAIL;
 410
 411                         psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
 412
 413                         if (psta->state & WIFI_SLEEP_STATE)
 414                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
 415                         else
 416                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
 417
 418                         psta->keep_alive_trycnt++;
 419                         if (ret == _SUCCESS) {
 420                                 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
 421                                 psta->expire_to = pstapriv->expire_to;
 422                                 psta->keep_alive_trycnt = 0;
 423                                 continue;
 424                         } else if (psta->keep_alive_trycnt <= 3) {
 425                                 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 426                                 psta->expire_to = 1;
 427                                 continue;
 428                         }
 429
 430                         psta->keep_alive_trycnt = 0;
 431
 432                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 433                         spin_lock_bh(&pstapriv->asoc_list_lock);
 434                         list_del_init(&psta->asoc_list);
 435                         pstapriv->asoc_list_cnt--;
 436                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 437                         spin_unlock_bh(&pstapriv->asoc_list_lock);
 438                 }
 439
 440                 if (backup_oper_channel > 0) /* back to the original operation channel */
 441                         SelectChannel(padapter, backup_oper_channel);
 442         }
 443
 444         associated_clients_update(padapter, updated);
 445 }
 446
 447 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 448 {
 449         int i;
 450         u32 init_rate = 0;
 451         unsigned char sta_band = 0, raid, shortGIrate = false;
 452         unsigned int tx_ra_bitmap = 0;
 453         struct ht_priv  *psta_ht = NULL;
 454         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 455         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 456
 457         if (psta)
 458                 psta_ht = &psta->htpriv;
 459         else
 460                 return;
 461
 462         if (!(psta->state & _FW_LINKED))
 463                 return;
 464
 465         /* b/g mode ra_bitmap */
 466         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 467                 if (psta->bssrateset[i])
 468                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 469         }
 470         /* n mode ra_bitmap */
 471         if (psta_ht->ht_option) {
 472                 for (i = 0; i < 8; i++)
 473                         if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i))
 474                                 tx_ra_bitmap |= BIT(i + 12);
 475
 476                 /* max short GI rate */
 477                 shortGIrate = psta_ht->sgi;
 478         }
 479
 480         if (pcur_network->Configuration.DSConfig > 14) {
 481                 /*  5G band */
 482                 if (tx_ra_bitmap & 0xffff000)
 483                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 484                 else
 485                         sta_band |= WIRELESS_11A;
 486         } else {
 487                 if (tx_ra_bitmap & 0xffff000)
 488                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 489                 else if (tx_ra_bitmap & 0xff0)
 490                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 491                 else
 492                         sta_band |= WIRELESS_11B;
 493         }
 494
 495         psta->wireless_mode = sta_band;
 496
 497         raid = networktype_to_raid(sta_band);
 498         init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 499
 500         if (psta->aid < NUM_STA) {
 501                 u8 arg = 0;
 502
 503                 arg = psta->mac_id & 0x1f;
 504
 505                 arg |= BIT(7);/* support entry 2~31 */
 506
 507                 if (shortGIrate)
 508                         arg |= BIT(5);
 509
 510                 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 511
 512                 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
 513                         __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
 514
 515                 /* bitmap[0:27] = tx_rate_bitmap */
 516                 /* bitmap[28:31]= Rate Adaptive id */
 517                 /* arg[0:4] = macid */
 518                 /* arg[5] = Short GI */
 519                 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
 520
 521                 if (shortGIrate)
 522                         init_rate |= BIT(6);
 523
 524                 /* set ra_id, init_rate */
 525                 psta->raid = raid;
 526                 psta->init_rate = init_rate;
 527
 528         } else {
 529                 DBG_88E("station aid %d exceed the max number\n", psta->aid);
 530         }
 531 }
 532
 533 static void update_bmc_sta(struct adapter *padapter)
 534 {
 535         u32 init_rate = 0;
 536         unsigned char   network_type, raid;
 537         int i, supportRateNum = 0;
 538         unsigned int tx_ra_bitmap = 0;
 539         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 540         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 541         struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
 542
 543         if (psta) {
 544                 psta->aid = 0;/* default set to 0 */
 545                 psta->mac_id = psta->aid + 1;
 546
 547                 psta->qos_option = 0;
 548                 psta->htpriv.ht_option = false;
 549
 550                 psta->ieee8021x_blocked = 0;
 551
 552                 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 553
 554                 /* prepare for add_RATid */
 555                 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
 556                 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
 557
 558                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 559                 psta->bssratelen = supportRateNum;
 560
 561                 /* b/g mode ra_bitmap */
 562                 for (i = 0; i < supportRateNum; i++) {
 563                         if (psta->bssrateset[i])
 564                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 565                 }
 566
 567                 if (pcur_network->Configuration.DSConfig > 14) {
 568                         /* force to A mode. 5G doesn't support CCK rates */
 569                         network_type = WIRELESS_11A;
 570                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 571                 } else {
 572                         /* force to b mode */
 573                         network_type = WIRELESS_11B;
 574                         tx_ra_bitmap = 0xf;
 575                 }
 576
 577                 raid = networktype_to_raid(network_type);
 578                 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 579
 580                 /* ap mode */
 581                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 582
 583                 {
 584                         u8 arg = 0;
 585
 586                         arg = psta->mac_id & 0x1f;
 587                         arg |= BIT(7);
 588                         tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 589                         DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__, tx_ra_bitmap, arg);
 590
 591                         /* bitmap[0:27] = tx_rate_bitmap */
 592                         /* bitmap[28:31]= Rate Adaptive id */
 593                         /* arg[0:4] = macid */
 594                         /* arg[5] = Short GI */
 595                         rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
 596                 }
 597                 /* set ra_id, init_rate */
 598                 psta->raid = raid;
 599                 psta->init_rate = init_rate;
 600
 601                 rtw_stassoc_hw_rpt(padapter, psta);
 602
 603                 spin_lock_bh(&psta->lock);
 604                 psta->state = _FW_LINKED;
 605                 spin_unlock_bh(&psta->lock);
 606
 607         } else {
 608                 DBG_88E("add_RATid_bmc_sta error!\n");
 609         }
 610 }
 611
 612 /* notes: */
 613 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 614 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 615 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 616 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 617 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 618
 619 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
 620 {
 621         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 622         struct security_priv *psecuritypriv = &padapter->securitypriv;
 623         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 624         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
 625         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 626
 627         psta->mac_id = psta->aid + 1;
 628         DBG_88E("%s\n", __func__);
 629
 630         /* ap mode */
 631         rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 632
 633         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 634                 psta->ieee8021x_blocked = true;
 635         else
 636                 psta->ieee8021x_blocked = false;
 637
 638
 639         /* update sta's cap */
 640
 641         /* ERP */
 642         VCS_update(padapter, psta);
 643         /* HT related cap */
 644         if (phtpriv_sta->ht_option) {
 645                 /* check if sta supports rx ampdu */
 646                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 647
 648                 /* check if sta support s Short GI */
 649                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 650                                 phtpriv_ap->ht_cap.cap_info) &
 651                     (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
 652                         phtpriv_sta->sgi = true;
 653
 654                 /*  bwmode */
 655                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 656                                 phtpriv_ap->ht_cap.cap_info) &
 657                     IEEE80211_HT_CAP_SUP_WIDTH) {
 658                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 659                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 660                 }
 661                 psta->qos_option = true;
 662         } else {
 663                 phtpriv_sta->ampdu_enable = false;
 664                 phtpriv_sta->sgi = false;
 665                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 666                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 667         }
 668
 669         /* Rx AMPDU */
 670         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
 671
 672         /* TX AMPDU */
 673         send_delba(padapter, 1, psta->hwaddr);/* originator */
 674         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 675         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 676
 677         /* todo: init other variables */
 678
 679         memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 680
 681         spin_lock_bh(&psta->lock);
 682         psta->state |= _FW_LINKED;
 683         spin_unlock_bh(&psta->lock);
 684 }
 685
 686 static void update_hw_ht_param(struct adapter *padapter)
 687 {
 688         unsigned char           max_AMPDU_len;
 689         unsigned char           min_MPDU_spacing;
 690         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 691         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 692
 693         DBG_88E("%s\n", __func__);
 694
 695         /* handle A-MPDU parameter field */
 696         /*
 697                 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 698                 ampdu_params_info [4:2]:Min MPDU Start Spacing
 699         */
 700         max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
 701
 702         min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
 703
 704         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 705
 706         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 707
 708         /*  */
 709         /*  Config SM Power Save setting */
 710         /*  */
 711         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
 712         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 713                 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 714 }
 715
 716 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
 717 {
 718         u8 *p;
 719         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 720         u16 bcn_interval;
 721         u32     acparm;
 722         uint    ie_len;
 723         struct registry_priv     *pregpriv = &padapter->registrypriv;
 724         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 725         struct security_priv *psecuritypriv = &padapter->securitypriv;
 726         struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 727         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 728         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 729         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
 730         struct HT_info_element *pht_info = NULL;
 731
 732         bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
 733         cur_channel = pnetwork->Configuration.DSConfig;
 734         cur_bwmode = HT_CHANNEL_WIDTH_20;
 735         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 736
 737
 738         /* check if there is wps ie,
 739          * if there is wpsie in beacon, the hostapd will update
 740          * beacon twice when stating hostapd, and at first time the
 741          * security ie (RSN/WPA IE) will not include in beacon.
 742          */
 743         if (!rtw_get_wps_ie(pnetwork->IEs + _FIXED_IE_LENGTH_, pnetwork->IELength - _FIXED_IE_LENGTH_, NULL, NULL))
 744                 pmlmeext->bstart_bss = true;
 745
 746         /* todo: update wmm, ht cap */
 747         if (pmlmepriv->qospriv.qos_option)
 748                 pmlmeinfo->WMM_enable = true;
 749         if (pmlmepriv->htpriv.ht_option) {
 750                 pmlmeinfo->WMM_enable = true;
 751                 pmlmeinfo->HT_enable = true;
 752
 753                 update_hw_ht_param(padapter);
 754         }
 755
 756         /* setting only at  first time */
 757         if (pmlmepriv->cur_network.join_res != true) {
 758                 /* WEP Key will be set before this function, do not
 759                  * clear CAM.
 760                  */
 761                 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
 762                     (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
 763                         flush_all_cam_entry(padapter);  /* clear CAM */
 764         }
 765
 766         /* set MSR to AP_Mode */
 767         Set_MSR(padapter, _HW_STATE_AP_);
 768
 769         /* Set BSSID REG */
 770         rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
 771
 772         /* Set EDCA param reg */
 773         acparm = 0x002F3217; /*  VO */
 774         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
 775         acparm = 0x005E4317; /*  VI */
 776         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
 777         acparm = 0x005ea42b;
 778         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
 779         acparm = 0x0000A444; /*  BK */
 780         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
 781
 782         /* Set Security */
 783         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
 784         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
 785
 786         /* Beacon Control related register */
 787         rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
 788
 789         UpdateBrateTbl(padapter, pnetwork->SupportedRates);
 790         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
 791
 792         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
 793                 /* turn on all dynamic functions */
 794                 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
 795         }
 796         /* set channel, bwmode */
 797         p = rtw_get_ie((pnetwork->IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - sizeof(struct ndis_802_11_fixed_ie)));
 798         if (p && ie_len) {
 799                 pht_info = (struct HT_info_element *)(p + 2);
 800
 801                 if ((pregpriv->cbw40_enable) &&  (pht_info->infos[0] & BIT(2))) {
 802                         /* switch to the 40M Hz mode */
 803                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 804                         switch (pht_info->infos[0] & 0x3) {
 805                         case 1:
 806                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 807                                 break;
 808                         case 3:
 809                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 810                                 break;
 811                         default:
 812                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 813                                 break;
 814                         }
 815                 }
 816         }
 817         /* TODO: need to judge the phy parameters on concurrent
 818          * mode for single phy
 819          */
 820         set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 821
 822         DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
 823
 824         /*  */
 825         pmlmeext->cur_channel = cur_channel;
 826         pmlmeext->cur_bwmode = cur_bwmode;
 827         pmlmeext->cur_ch_offset = cur_ch_offset;
 828         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 829
 830         /* update cur_wireless_mode */
 831         update_wireless_mode(padapter);
 832
 833         /* update capability after cur_wireless_mode updated */
 834         update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
 835
 836         /* let pnetwork_mlmeext == pnetwork_mlme. */
 837         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 838
 839         if (pmlmeext->bstart_bss) {
 840                 update_beacon(padapter, _TIM_IE_, NULL, false);
 841
 842                 /* issue beacon frame */
 843                 if (send_beacon(padapter) == _FAIL)
 844                         DBG_88E("send_beacon, fail!\n");
 845         }
 846
 847         /* update bc/mc sta_info */
 848         update_bmc_sta(padapter);
 849 }
 850
 851 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 852 {
 853         int ret = _SUCCESS;
 854         u8 *p;
 855         u8 *pHT_caps_ie = NULL;
 856         u8 *pHT_info_ie = NULL;
 857         struct sta_info *psta = NULL;
 858         u16 cap, ht_cap = false;
 859         uint ie_len = 0;
 860         int group_cipher, pairwise_cipher;
 861         u8      channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 862         int supportRateNum = 0;
 863         u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
 864         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 865         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 866         struct security_priv *psecuritypriv = &padapter->securitypriv;
 867         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 868         struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 869         u8 *ie = pbss_network->IEs;
 870
 871         /* SSID */
 872         /* Supported rates */
 873         /* DS Params */
 874         /* WLAN_EID_COUNTRY */
 875         /* ERP Information element */
 876         /* Extended supported rates */
 877         /* WPA/WPA2 */
 878         /* Wi-Fi Wireless Multimedia Extensions */
 879         /* ht_capab, ht_oper */
 880         /* WPS IE */
 881
 882         DBG_88E("%s, len =%d\n", __func__, len);
 883
 884         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
 885                 return _FAIL;
 886
 887
 888         if (len < 0 || len > MAX_IE_SZ)
 889                 return _FAIL;
 890
 891         pbss_network->IELength = len;
 892
 893         memset(ie, 0, MAX_IE_SZ);
 894
 895         memcpy(ie, pbuf, pbss_network->IELength);
 896
 897
 898         if (pbss_network->InfrastructureMode != Ndis802_11APMode)
 899                 return _FAIL;
 900
 901         pbss_network->Rssi = 0;
 902
 903         ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
 904
 905         /* beacon interval */
 906         p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
 907         pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
 908
 909         /* capability */
 910         cap = get_unaligned_le16(ie);
 911
 912         /* SSID */
 913         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 914         if (p && ie_len > 0) {
 915                 ie_len = min_t(int, ie_len, sizeof(pbss_network->Ssid.Ssid));
 916                 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 917                 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
 918                 pbss_network->Ssid.SsidLength = ie_len;
 919         }
 920
 921         /* channel */
 922         channel = 0;
 923         pbss_network->Configuration.Length = 0;
 924         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 925         if (p && ie_len > 0)
 926                 channel = *(p + 2);
 927
 928         pbss_network->Configuration.DSConfig = channel;
 929
 930         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 931         /*  get supported rates */
 932         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 933         if (p) {
 934                 ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX);
 935                 memcpy(supportRate, p + 2, ie_len);
 936                 supportRateNum = ie_len;
 937         }
 938
 939         /* get ext_supported rates */
 940         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
 941         if (p) {
 942                 ie_len = min_t(int, ie_len,
 943                                NDIS_802_11_LENGTH_RATES_EX - supportRateNum);
 944                 memcpy(supportRate + supportRateNum, p + 2, ie_len);
 945                 supportRateNum += ie_len;
 946         }
 947
 948         network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
 949
 950         rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
 951
 952         /* parsing ERP_IE */
 953         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 954         if (p && ie_len > 0)
 955                 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
 956
 957         /* update privacy/security */
 958         if (cap & BIT(4))
 959                 pbss_network->Privacy = 1;
 960         else
 961                 pbss_network->Privacy = 0;
 962
 963         psecuritypriv->wpa_psk = 0;
 964
 965         /* wpa2 */
 966         group_cipher = 0;
 967         pairwise_cipher = 0;
 968         psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
 969         psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
 970         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 971         if (p && ie_len > 0) {
 972                 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
 973                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 974
 975                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 976                         psecuritypriv->wpa_psk |= BIT(1);
 977
 978                         psecuritypriv->wpa2_group_cipher = group_cipher;
 979                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 980                 }
 981         }
 982         /* wpa */
 983         ie_len = 0;
 984         group_cipher = 0;
 985         pairwise_cipher = 0;
 986         psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
 987         psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
 988         for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 989                 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
 990                                (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
 991                 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
 992                         if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
 993                                              &pairwise_cipher, NULL) == _SUCCESS) {
 994                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 995
 996                                 psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 997
 998                                 psecuritypriv->wpa_psk |= BIT(0);
 999
1000                                 psecuritypriv->wpa_group_cipher = group_cipher;
1001                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
1002                         }
1003                         break;
1004                 }
1005                 if ((!p) || (ie_len == 0))
1006                         break;
1007         }
1008
1009         /* wmm */
1010         ie_len = 0;
1011         pmlmepriv->qospriv.qos_option = 0;
1012         if (pregistrypriv->wmm_enable) {
1013                 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
1014                         p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
1015                                        (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
1016                         if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1017                                 pmlmepriv->qospriv.qos_option = 1;
1018
1019                                 /* QoS Info, support U-APSD */
1020                                 *(p + 8) |= BIT(7);
1021
1022                                 /* disable all ACM bits since the WMM
1023                                  * admission control is not supported
1024                                  */
1025                                 *(p + 10) &= ~BIT(4); /* BE */
1026                                 *(p + 14) &= ~BIT(4); /* BK */
1027                                 *(p + 18) &= ~BIT(4); /* VI */
1028                                 *(p + 22) &= ~BIT(4); /* VO */
1029                                 break;
1030                         }
1031
1032                         if ((!p) || (ie_len == 0))
1033                                 break;
1034                 }
1035         }
1036         /* parsing HT_CAP_IE */
1037         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
1038                        (pbss_network->IELength - _BEACON_IE_OFFSET_));
1039         if (p && ie_len > 0) {
1040                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1041
1042                 pHT_caps_ie = p;
1043                 ht_cap = true;
1044                 network_type |= WIRELESS_11_24N;
1045
1046                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1047                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
1048                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
1049                 else
1050                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1051
1052                 /* set  Max Rx AMPDU size  to 64K */
1053                 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
1054
1055                 pht_cap->mcs.rx_mask[0] = 0xff;
1056                 pht_cap->mcs.rx_mask[1] = 0x0;
1057                 ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap));
1058                 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1059         }
1060
1061         /* parsing HT_INFO_IE */
1062         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
1063                        (pbss_network->IELength - _BEACON_IE_OFFSET_));
1064         if (p && ie_len > 0)
1065                 pHT_info_ie = p;
1066         switch (network_type) {
1067         case WIRELESS_11B:
1068                 pbss_network->NetworkTypeInUse = Ndis802_11DS;
1069                 break;
1070         case WIRELESS_11G:
1071         case WIRELESS_11BG:
1072         case WIRELESS_11G_24N:
1073         case WIRELESS_11BG_24N:
1074                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1075                 break;
1076         case WIRELESS_11A:
1077                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
1078                 break;
1079         default:
1080                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1081                 break;
1082         }
1083
1084         pmlmepriv->cur_network.network_type = network_type;
1085
1086         pmlmepriv->htpriv.ht_option = false;
1087
1088         if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1089             (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1090                 /* todo: */
1091                 /* ht_cap = false; */
1092         }
1093
1094         /* ht_cap */
1095         if (pregistrypriv->ht_enable && ht_cap) {
1096                 pmlmepriv->htpriv.ht_option = true;
1097                 pmlmepriv->qospriv.qos_option = 1;
1098
1099                 if (pregistrypriv->ampdu_enable == 1)
1100                         pmlmepriv->htpriv.ampdu_enable = true;
1101                 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
1102
1103                 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
1104         }
1105
1106         pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex  *)pbss_network);
1107
1108         /* issue beacon to start bss network */
1109         start_bss_network(padapter, (u8 *)pbss_network);
1110
1111         /* alloc sta_info for ap itself */
1112         psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1113         if (!psta) {
1114                 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1115                 if (!psta)
1116                         return _FAIL;
1117         }
1118
1119         /* fix bug of flush_cam_entry at STOP AP mode */
1120         psta->state |= WIFI_AP_STATE;
1121         rtw_indicate_connect(padapter);
1122         pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1123         return ret;
1124 }
1125
1126 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1127 {
1128         struct sta_priv *pstapriv = &padapter->stapriv;
1129         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1130
1131         DBG_88E("%s, mode =%d\n", __func__, mode);
1132
1133         pacl_list->mode = mode;
1134 }
1135
1136 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1137 {
1138         struct list_head *plist, *phead;
1139         u8 added = false;
1140         int i, ret = 0;
1141         struct rtw_wlan_acl_node *paclnode;
1142         struct sta_priv *pstapriv = &padapter->stapriv;
1143         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1144         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1145
1146         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1147
1148         if ((NUM_ACL - 1) < pacl_list->num)
1149                 return -1;
1150
1151         spin_lock_bh(&pacl_node_q->lock);
1152
1153         phead = get_list_head(pacl_node_q);
1154         plist = phead->next;
1155
1156         while (phead != plist) {
1157                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1158                 plist = plist->next;
1159
1160                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1161                         if (paclnode->valid) {
1162                                 added = true;
1163                                 DBG_88E("%s, sta has been added\n", __func__);
1164                                 break;
1165                         }
1166                 }
1167         }
1168
1169         spin_unlock_bh(&pacl_node_q->lock);
1170
1171         if (added)
1172                 return ret;
1173
1174         spin_lock_bh(&pacl_node_q->lock);
1175
1176         for (i = 0; i < NUM_ACL; i++) {
1177                 paclnode = &pacl_list->aclnode[i];
1178
1179                 if (!paclnode->valid) {
1180                         INIT_LIST_HEAD(&paclnode->list);
1181
1182                         ether_addr_copy(paclnode->addr, addr);
1183
1184                         paclnode->valid = true;
1185
1186                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1187
1188                         pacl_list->num++;
1189
1190                         break;
1191                 }
1192         }
1193
1194         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1195
1196         spin_unlock_bh(&pacl_node_q->lock);
1197
1198         return ret;
1199 }
1200
1201 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1202 {
1203         struct list_head *plist, *phead;
1204         struct rtw_wlan_acl_node *paclnode;
1205         struct sta_priv *pstapriv = &padapter->stapriv;
1206         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1207         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1208
1209         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1210
1211         spin_lock_bh(&pacl_node_q->lock);
1212
1213         phead = get_list_head(pacl_node_q);
1214         plist = phead->next;
1215
1216         while (phead != plist) {
1217                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1218                 plist = plist->next;
1219
1220                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1221                         if (paclnode->valid) {
1222                                 paclnode->valid = false;
1223
1224                                 list_del_init(&paclnode->list);
1225
1226                                 pacl_list->num--;
1227                         }
1228                 }
1229         }
1230
1231         spin_unlock_bh(&pacl_node_q->lock);
1232
1233         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1234         return 0;
1235 }
1236
1237 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1238 {
1239         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1240         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1241         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1242         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1243         unsigned char *p, *ie = pnetwork->IEs;
1244         u32 len = 0;
1245
1246         DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1247
1248         if (!pmlmeinfo->ERP_enable)
1249                 return;
1250
1251         /* parsing ERP_IE */
1252         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1253                        (pnetwork->IELength - _BEACON_IE_OFFSET_));
1254         if (p && len > 0) {
1255                 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1256
1257                 if (pmlmepriv->num_sta_non_erp == 1)
1258                         pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
1259                 else
1260                         pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
1261
1262                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1263                         pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1264                 else
1265                         pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1266
1267                 ERP_IE_handler(padapter, pIE);
1268         }
1269 }
1270
1271 static void update_bcn_wps_ie(struct adapter *padapter)
1272 {
1273         u8 *pwps_ie = NULL, *pwps_ie_src;
1274         u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1275         uint wps_ielen = 0, wps_offset, remainder_ielen;
1276         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1277         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1278         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1279         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1280         unsigned char *ie = pnetwork->IEs;
1281         u32 ielen = pnetwork->IELength;
1282
1283         DBG_88E("%s\n", __func__);
1284
1285         pwps_ie_src = pmlmepriv->wps_beacon_ie;
1286         if (!pwps_ie_src)
1287                 return;
1288
1289         pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1290
1291         if (!pwps_ie || wps_ielen == 0)
1292                 return;
1293
1294         wps_offset = (uint)(pwps_ie-ie);
1295
1296         premainder_ie = pwps_ie + wps_ielen;
1297
1298         remainder_ielen = ielen - wps_offset - wps_ielen;
1299
1300         if (remainder_ielen > 0) {
1301                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1302                 if (pbackup_remainder_ie)
1303                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1304         }
1305
1306         wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1307         if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
1308                 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1309                 pwps_ie += (wps_ielen+2);
1310
1311                 if (pbackup_remainder_ie)
1312                         memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1313
1314                 /* update IELength */
1315                 pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
1316         }
1317
1318         kfree(pbackup_remainder_ie);
1319 }
1320
1321 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1322 {
1323         DBG_88E("%s\n", __func__);
1324
1325         if (!memcmp(WPS_OUI, oui, 4))
1326                 update_bcn_wps_ie(padapter);
1327         else
1328                 DBG_88E("unknown OUI type!\n");
1329 }
1330
1331 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1332 {
1333         struct mlme_priv *pmlmepriv;
1334         struct mlme_ext_priv    *pmlmeext;
1335
1336         if (!padapter)
1337                 return;
1338
1339         pmlmepriv = &padapter->mlmepriv;
1340         pmlmeext = &padapter->mlmeextpriv;
1341
1342         if (!pmlmeext->bstart_bss)
1343                 return;
1344
1345         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1346
1347         switch (ie_id) {
1348         case _TIM_IE_:
1349                 update_BCNTIM(padapter);
1350                 break;
1351         case _ERPINFO_IE_:
1352                 update_bcn_erpinfo_ie(padapter);
1353                 break;
1354         case _VENDOR_SPECIFIC_IE_:
1355                 update_bcn_vendor_spec_ie(padapter, oui);
1356                 break;
1357         default:
1358                 break;
1359         }
1360
1361         pmlmepriv->update_bcn = true;
1362
1363         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1364
1365         if (tx)
1366                 set_tx_beacon_cmd(padapter);
1367 }
1368
1369 /*
1370 op_mode
1371 Set to 0 (HT pure) under the following conditions
1372         - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1373         - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1374 Set to 1 (HT non-member protection) if there may be non-HT STAs
1375         in both the primary and the secondary channel
1376 Set to 2 if only HT STAs are associated in BSS,
1377         however and at least one 20 MHz HT STA is associated
1378 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1379         (currently non-GF HT station is considered as non-HT STA also)
1380 */
1381 static int rtw_ht_operation_update(struct adapter *padapter)
1382 {
1383         u16 cur_op_mode, new_op_mode;
1384         int op_mode_changes = 0;
1385         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1386         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
1387
1388         if (pmlmepriv->htpriv.ht_option)
1389                 return 0;
1390
1391         DBG_88E("%s current operation mode = 0x%X\n",
1392                 __func__, pmlmepriv->ht_op_mode);
1393
1394         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1395             pmlmepriv->num_sta_ht_no_gf) {
1396                 pmlmepriv->ht_op_mode |=
1397                         HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1398                 op_mode_changes++;
1399         } else if ((pmlmepriv->ht_op_mode &
1400                    HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1401                    pmlmepriv->num_sta_ht_no_gf == 0) {
1402                 pmlmepriv->ht_op_mode &=
1403                         ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1404                 op_mode_changes++;
1405         }
1406
1407         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1408             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1409                 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1410                 op_mode_changes++;
1411         } else if ((pmlmepriv->ht_op_mode &
1412                     HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1413                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1414                 pmlmepriv->ht_op_mode &=
1415                         ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1416                 op_mode_changes++;
1417         }
1418
1419         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1420          * station is associated. Probably it's a theoretical case, since
1421          * it looks like all known HT STAs support greenfield.
1422          */
1423         new_op_mode = 0;
1424         if (pmlmepriv->num_sta_no_ht ||
1425             (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1426                 new_op_mode = OP_MODE_MIXED;
1427         else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1428                   IEEE80211_HT_CAP_SUP_WIDTH) &&
1429                  pmlmepriv->num_sta_ht_20mhz)
1430                 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1431         else if (pmlmepriv->olbc_ht)
1432                 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1433         else
1434                 new_op_mode = OP_MODE_PURE;
1435
1436         cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1437         if (cur_op_mode != new_op_mode) {
1438                 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1439                 pmlmepriv->ht_op_mode |= new_op_mode;
1440                 op_mode_changes++;
1441         }
1442
1443         DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1444                 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1445
1446         return op_mode_changes;
1447 }
1448
1449 void associated_clients_update(struct adapter *padapter, u8 updated)
1450 {
1451         /* update associated stations cap. */
1452         if (updated) {
1453                 struct list_head *phead, *plist;
1454                 struct sta_info *psta = NULL;
1455                 struct sta_priv *pstapriv = &padapter->stapriv;
1456
1457                 spin_lock_bh(&pstapriv->asoc_list_lock);
1458
1459                 phead = &pstapriv->asoc_list;
1460                 plist = phead->next;
1461
1462                 /* check asoc_queue */
1463                 while (phead != plist) {
1464                         psta = container_of(plist, struct sta_info, asoc_list);
1465
1466                         plist = plist->next;
1467
1468                         VCS_update(padapter, psta);
1469                 }
1470                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1471         }
1472 }
1473
1474 /* called > TSR LEVEL for USB or SDIO Interface*/
1475 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1476 {
1477         u8 beacon_updated = false;
1478         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1479         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1480
1481         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1482                 if (!psta->no_short_preamble_set) {
1483                         psta->no_short_preamble_set = 1;
1484
1485                         pmlmepriv->num_sta_no_short_preamble++;
1486
1487                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1488                             (pmlmepriv->num_sta_no_short_preamble == 1)) {
1489                                 beacon_updated = true;
1490                                 update_beacon(padapter, 0xFF, NULL, true);
1491                         }
1492                 }
1493         } else {
1494                 if (psta->no_short_preamble_set) {
1495                         psta->no_short_preamble_set = 0;
1496
1497                         pmlmepriv->num_sta_no_short_preamble--;
1498
1499                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1500                             (pmlmepriv->num_sta_no_short_preamble == 0)) {
1501                                 beacon_updated = true;
1502                                 update_beacon(padapter, 0xFF, NULL, true);
1503                         }
1504                 }
1505         }
1506
1507         if (psta->flags & WLAN_STA_NONERP) {
1508                 if (!psta->nonerp_set) {
1509                         psta->nonerp_set = 1;
1510
1511                         pmlmepriv->num_sta_non_erp++;
1512
1513                         if (pmlmepriv->num_sta_non_erp == 1) {
1514                                 beacon_updated = true;
1515                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1516                         }
1517                 }
1518         } else {
1519                 if (psta->nonerp_set) {
1520                         psta->nonerp_set = 0;
1521
1522                         pmlmepriv->num_sta_non_erp--;
1523
1524                         if (pmlmepriv->num_sta_non_erp == 0) {
1525                                 beacon_updated = true;
1526                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1527                         }
1528                 }
1529         }
1530
1531         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1532                 if (!psta->no_short_slot_time_set) {
1533                         psta->no_short_slot_time_set = 1;
1534
1535                         pmlmepriv->num_sta_no_short_slot_time++;
1536
1537                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1538                             (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1539                                 beacon_updated = true;
1540                                 update_beacon(padapter, 0xFF, NULL, true);
1541                         }
1542                 }
1543         } else {
1544                 if (psta->no_short_slot_time_set) {
1545                         psta->no_short_slot_time_set = 0;
1546
1547                         pmlmepriv->num_sta_no_short_slot_time--;
1548
1549                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1550                             (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1551                                 beacon_updated = true;
1552                                 update_beacon(padapter, 0xFF, NULL, true);
1553                         }
1554                 }
1555         }
1556
1557         if (psta->flags & WLAN_STA_HT) {
1558                 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1559
1560                 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1561                         (psta->hwaddr), ht_capab);
1562
1563                 if (psta->no_ht_set) {
1564                         psta->no_ht_set = 0;
1565                         pmlmepriv->num_sta_no_ht--;
1566                 }
1567
1568                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1569                         if (!psta->no_ht_gf_set) {
1570                                 psta->no_ht_gf_set = 1;
1571                                 pmlmepriv->num_sta_ht_no_gf++;
1572                         }
1573                         DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1574                                 __func__, (psta->hwaddr),
1575                                 pmlmepriv->num_sta_ht_no_gf);
1576                 }
1577
1578                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1579                         if (!psta->ht_20mhz_set) {
1580                                 psta->ht_20mhz_set = 1;
1581                                 pmlmepriv->num_sta_ht_20mhz++;
1582                         }
1583                         DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1584                                 __func__, (psta->hwaddr),
1585                                 pmlmepriv->num_sta_ht_20mhz);
1586                 }
1587         } else {
1588                 if (!psta->no_ht_set) {
1589                         psta->no_ht_set = 1;
1590                         pmlmepriv->num_sta_no_ht++;
1591                 }
1592                 if (pmlmepriv->htpriv.ht_option) {
1593                         DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1594                                 __func__, (psta->hwaddr),
1595                                 pmlmepriv->num_sta_no_ht);
1596                 }
1597         }
1598
1599         if (rtw_ht_operation_update(padapter) > 0) {
1600                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1601                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1602         }
1603
1604         /* update associated stations cap. */
1605         associated_clients_update(padapter,  beacon_updated);
1606
1607         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1608 }
1609
1610 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1611 {
1612         u8 beacon_updated = false;
1613         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1614         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1615
1616         if (!psta)
1617                 return beacon_updated;
1618
1619         if (psta->no_short_preamble_set) {
1620                 psta->no_short_preamble_set = 0;
1621                 pmlmepriv->num_sta_no_short_preamble--;
1622                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1623                     pmlmepriv->num_sta_no_short_preamble == 0) {
1624                         beacon_updated = true;
1625                         update_beacon(padapter, 0xFF, NULL, true);
1626                 }
1627         }
1628
1629         if (psta->nonerp_set) {
1630                 psta->nonerp_set = 0;
1631                 pmlmepriv->num_sta_non_erp--;
1632                 if (pmlmepriv->num_sta_non_erp == 0) {
1633                         beacon_updated = true;
1634                         update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1635                 }
1636         }
1637
1638         if (psta->no_short_slot_time_set) {
1639                 psta->no_short_slot_time_set = 0;
1640                 pmlmepriv->num_sta_no_short_slot_time--;
1641                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1642                     pmlmepriv->num_sta_no_short_slot_time == 0) {
1643                         beacon_updated = true;
1644                         update_beacon(padapter, 0xFF, NULL, true);
1645                 }
1646         }
1647
1648         if (psta->no_ht_gf_set) {
1649                 psta->no_ht_gf_set = 0;
1650                 pmlmepriv->num_sta_ht_no_gf--;
1651         }
1652
1653         if (psta->no_ht_set) {
1654                 psta->no_ht_set = 0;
1655                 pmlmepriv->num_sta_no_ht--;
1656         }
1657
1658         if (psta->ht_20mhz_set) {
1659                 psta->ht_20mhz_set = 0;
1660                 pmlmepriv->num_sta_ht_20mhz--;
1661         }
1662
1663         if (rtw_ht_operation_update(padapter) > 0) {
1664                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1665                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1666         }
1667
1668         /* update associated stations cap. */
1669
1670         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1671
1672         return beacon_updated;
1673 }
1674
1675 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1676                bool active, u16 reason)
1677 {
1678         u8 beacon_updated = false;
1679         struct sta_priv *pstapriv = &padapter->stapriv;
1680
1681         if (!psta)
1682                 return beacon_updated;
1683
1684         /* tear down Rx AMPDU */
1685         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
1686
1687         /* tear down TX AMPDU */
1688         send_delba(padapter, 1, psta->hwaddr);/*  originator */
1689         psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1690         psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1691
1692         if (active)
1693                 issue_deauth(padapter, psta->hwaddr, reason);
1694
1695         /* clear cam entry / key */
1696         rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1697
1698
1699         spin_lock_bh(&psta->lock);
1700         psta->state &= ~_FW_LINKED;
1701         spin_unlock_bh(&psta->lock);
1702
1703         rtw_indicate_sta_disassoc_event(padapter, psta);
1704
1705         report_del_sta_event(padapter, psta->hwaddr, reason);
1706
1707         beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1708
1709         spin_lock_bh(&pstapriv->sta_hash_lock);
1710         rtw_free_stainfo(padapter, psta);
1711         spin_unlock_bh(&pstapriv->sta_hash_lock);
1712
1713         return beacon_updated;
1714 }
1715
1716 int rtw_sta_flush(struct adapter *padapter)
1717 {
1718         struct list_head *phead, *plist;
1719         struct sta_info *psta = NULL;
1720         struct sta_priv *pstapriv = &padapter->stapriv;
1721         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1722         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1723         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1724
1725         DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1726
1727         if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1728                 return 0;
1729
1730         spin_lock_bh(&pstapriv->asoc_list_lock);
1731         phead = &pstapriv->asoc_list;
1732         plist = phead->next;
1733
1734         /* free sta asoc_queue */
1735         while (phead != plist) {
1736                 psta = container_of(plist, struct sta_info, asoc_list);
1737
1738                 plist = plist->next;
1739
1740                 list_del_init(&psta->asoc_list);
1741                 pstapriv->asoc_list_cnt--;
1742
1743                 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1744         }
1745         spin_unlock_bh(&pstapriv->asoc_list_lock);
1746
1747
1748         issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1749
1750         associated_clients_update(padapter, true);
1751
1752         return 0;
1753 }
1754
1755 /* called > TSR LEVEL for USB or SDIO Interface*/
1756 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1757 {
1758         int flags = psta->flags;
1759         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1760
1761         /* update wmm cap. */
1762         if (WLAN_STA_WME & flags)
1763                 psta->qos_option = 1;
1764         else
1765                 psta->qos_option = 0;
1766
1767         if (pmlmepriv->qospriv.qos_option == 0)
1768                 psta->qos_option = 0;
1769
1770         /* update 802.11n ht cap. */
1771         if (WLAN_STA_HT & flags) {
1772                 psta->htpriv.ht_option = true;
1773                 psta->qos_option = 1;
1774         } else {
1775                 psta->htpriv.ht_option = false;
1776         }
1777
1778         if (!pmlmepriv->htpriv.ht_option)
1779                 psta->htpriv.ht_option = false;
1780
1781         update_sta_info_apmode(padapter, psta);
1782 }
1783
1784 /* called >= TSR LEVEL for USB or SDIO Interface*/
1785 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1786 {
1787         if (psta->state & _FW_LINKED) {
1788                 /* add ratid */
1789                 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1790         }
1791 }
1792
1793 void start_ap_mode(struct adapter *padapter)
1794 {
1795         int i;
1796         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1797         struct sta_priv *pstapriv = &padapter->stapriv;
1798         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1799         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1800
1801         pmlmepriv->update_bcn = false;
1802
1803         pmlmeext->bstart_bss = false;
1804
1805         pmlmepriv->num_sta_non_erp = 0;
1806
1807         pmlmepriv->num_sta_no_short_slot_time = 0;
1808
1809         pmlmepriv->num_sta_no_short_preamble = 0;
1810
1811         pmlmepriv->num_sta_ht_no_gf = 0;
1812         pmlmepriv->num_sta_no_ht = 0;
1813         pmlmepriv->num_sta_ht_20mhz = 0;
1814
1815         pmlmepriv->olbc = false;
1816
1817         pmlmepriv->olbc_ht = false;
1818
1819         pmlmepriv->ht_op_mode = 0;
1820
1821         for (i = 0; i < NUM_STA; i++)
1822                 pstapriv->sta_aid[i] = NULL;
1823
1824         pmlmepriv->wps_beacon_ie = NULL;
1825         pmlmepriv->wps_probe_resp_ie = NULL;
1826         pmlmepriv->wps_assoc_resp_ie = NULL;
1827
1828         /* for ACL */
1829         INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1830         pacl_list->num = 0;
1831         pacl_list->mode = 0;
1832         for (i = 0; i < NUM_ACL; i++) {
1833                 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1834                 pacl_list->aclnode[i].valid = false;
1835         }
1836 }
1837
1838 void stop_ap_mode(struct adapter *padapter)
1839 {
1840         struct list_head *phead, *plist;
1841         struct rtw_wlan_acl_node *paclnode;
1842         struct sta_info *psta = NULL;
1843         struct sta_priv *pstapriv = &padapter->stapriv;
1844         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1845         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1846         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1847         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1848
1849         pmlmepriv->update_bcn = false;
1850         pmlmeext->bstart_bss = false;
1851
1852         /* reset and init security priv , this can refine with
1853          * rtw_reset_securitypriv
1854          */
1855         memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1856         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1857         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1858
1859         /* for ACL */
1860         spin_lock_bh(&pacl_node_q->lock);
1861         phead = get_list_head(pacl_node_q);
1862         plist = phead->next;
1863         while (phead != plist) {
1864                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1865                 plist = plist->next;
1866
1867                 if (paclnode->valid) {
1868                         paclnode->valid = false;
1869
1870                         list_del_init(&paclnode->list);
1871
1872                         pacl_list->num--;
1873                 }
1874         }
1875         spin_unlock_bh(&pacl_node_q->lock);
1876
1877         DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1878
1879         rtw_sta_flush(padapter);
1880
1881         /* free_assoc_sta_resources */
1882         rtw_free_all_stainfo(padapter);
1883
1884         psta = rtw_get_bcmc_stainfo(padapter);
1885         spin_lock_bh(&pstapriv->sta_hash_lock);
1886         rtw_free_stainfo(padapter, psta);
1887         spin_unlock_bh(&pstapriv->sta_hash_lock);
1888
1889         rtw_init_bcmc_stainfo(padapter);
1890
1891         rtw_free_mlme_priv_ie_data(pmlmepriv);
1892 }
1893
1894 #endif /* CONFIG_88EU_AP_MODE */