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
  34         spin_lock_init(&pmlmepriv->bcn_update_lock);
  35
  36         /* for ACL */
  37         _rtw_init_queue(&pacl_list->acl_node_q);
  38
  39         start_ap_mode(padapter);
  40 }
  41
  42 void free_mlme_ap_info(struct adapter *padapter)
  43 {
  44         struct sta_info *psta = NULL;
  45         struct sta_priv *pstapriv = &padapter->stapriv;
  46         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  47         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  48         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
  49
  50         pmlmepriv->update_bcn = false;
  51         pmlmeext->bstart_bss = false;
  52
  53         rtw_sta_flush(padapter);
  54
  55         pmlmeinfo->state = _HW_STATE_NOLINK_;
  56
  57         /* free_assoc_sta_resources */
  58         rtw_free_all_stainfo(padapter);
  59
  60         /* free bc/mc sta_info */
  61         psta = rtw_get_bcmc_stainfo(padapter);
  62         spin_lock_bh(&pstapriv->sta_hash_lock);
  63         rtw_free_stainfo(padapter, psta);
  64         spin_unlock_bh(&pstapriv->sta_hash_lock);
  65 }
  66
  67 static void update_BCNTIM(struct adapter *padapter)
  68 {
  69         struct sta_priv *pstapriv = &padapter->stapriv;
  70         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  71         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  72         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
  73         unsigned char *pie = pnetwork_mlmeext->IEs;
  74         u8 *p, *dst_ie, *premainder_ie = NULL;
  75         u8 *pbackup_remainder_ie = NULL;
  76         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  77
  78         /* update TIM IE */
  79         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
  80                         pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
  81         if (p && tim_ielen > 0) {
  82                 tim_ielen += 2;
  83                 premainder_ie = p + tim_ielen;
  84                 tim_ie_offset = (int)(p - pie);
  85                 remainder_ielen = pnetwork_mlmeext->IELength -
  86                                         tim_ie_offset - tim_ielen;
  87                 /* append TIM IE from dst_ie offset */
  88                 dst_ie = p;
  89         } else {
  90                 tim_ielen = 0;
  91
  92                 /* calculate head_len */
  93                 offset = _FIXED_IE_LENGTH_;
  94                 offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
  95
  96                 /*  get supported rates len */
  97                 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
  98                                &tmp_len, (pnetwork_mlmeext->IELength -
  99                                           _BEACON_IE_OFFSET_));
 100                 if (p)
 101                         offset += tmp_len+2;
 102
 103                 /* DS Parameter Set IE, len = 3 */
 104                 offset += 3;
 105
 106                 premainder_ie = pie + offset;
 107
 108                 remainder_ielen = pnetwork_mlmeext->IELength -
 109                                         offset - tim_ielen;
 110
 111                 /* append TIM IE from offset */
 112                 dst_ie = pie + offset;
 113         }
 114
 115         if (remainder_ielen > 0) {
 116                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 117                 if (pbackup_remainder_ie && premainder_ie)
 118                         memcpy(pbackup_remainder_ie, premainder_ie,
 119                                remainder_ielen);
 120         }
 121         *dst_ie++ = _TIM_IE_;
 122
 123         if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
 124                 tim_ielen = 5;
 125         else
 126                 tim_ielen = 4;
 127
 128         *dst_ie++ = tim_ielen;
 129
 130         *dst_ie++ = 0;/* DTIM count */
 131         *dst_ie++ = 1;/* DTIM period */
 132
 133         if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
 134                 *dst_ie++ = BIT(0);/* bitmap ctrl */
 135         else
 136                 *dst_ie++ = 0;
 137
 138         if (tim_ielen == 4) {
 139                 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
 140         } else if (tim_ielen == 5) {
 141                 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
 142                 dst_ie += 2;
 143         }
 144
 145         /* copy remainder IE */
 146         if (pbackup_remainder_ie) {
 147                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 148
 149                 kfree(pbackup_remainder_ie);
 150         }
 151         offset =  (uint)(dst_ie - pie);
 152         pnetwork_mlmeext->IELength = offset + remainder_ielen;
 153
 154         set_tx_beacon_cmd(padapter);
 155 }
 156
 157 void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
 158                     u8 index, u8 *data, u8 len)
 159 {
 160         struct ndis_802_11_var_ie *pIE;
 161         u8 bmatch = false;
 162         u8 *pie = pnetwork->IEs;
 163         u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
 164         u8 *pbackup_remainder_ie = NULL;
 165         u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
 166
 167         for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
 168                 pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
 169
 170                 if (pIE->ElementID > index) {
 171                         break;
 172                 /*  already exist the same IE */
 173                 } else if (pIE->ElementID == index) {
 174                         p = (u8 *)pIE;
 175                         ielen = pIE->Length;
 176                         bmatch = true;
 177                         break;
 178                 }
 179                 p = (u8 *)pIE;
 180                 ielen = pIE->Length;
 181                 i += (pIE->Length + 2);
 182         }
 183
 184         if (p && ielen > 0) {
 185                 ielen += 2;
 186
 187                 premainder_ie = p + ielen;
 188
 189                 ie_offset = (int)(p - pie);
 190
 191                 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
 192
 193                 if (bmatch)
 194                         dst_ie = p;
 195                 else
 196                         dst_ie = p + ielen;
 197         }
 198
 199         if (remainder_ielen > 0) {
 200                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 201                 if (pbackup_remainder_ie && premainder_ie)
 202                         memcpy(pbackup_remainder_ie, premainder_ie,
 203                                remainder_ielen);
 204         }
 205
 206         *dst_ie++ = index;
 207         *dst_ie++ = len;
 208
 209         memcpy(dst_ie, data, len);
 210         dst_ie += len;
 211
 212         /* copy remainder IE */
 213         if (pbackup_remainder_ie) {
 214                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 215
 216                 kfree(pbackup_remainder_ie);
 217         }
 218
 219         offset =  (uint)(dst_ie - pie);
 220         pnetwork->IELength = offset + remainder_ielen;
 221 }
 222
 223 void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
 224                        u8 index)
 225 {
 226         u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
 227         u8 *pbackup_remainder_ie = NULL;
 228         uint offset, ielen, ie_offset, remainder_ielen = 0;
 229         u8      *pie = pnetwork->IEs;
 230
 231         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
 232                        pnetwork->IELength - _FIXED_IE_LENGTH_);
 233         if (p && ielen > 0) {
 234                 ielen += 2;
 235
 236                 premainder_ie = p + ielen;
 237
 238                 ie_offset = (int)(p - pie);
 239
 240                 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
 241
 242                 dst_ie = p;
 243         }
 244
 245         if (remainder_ielen > 0) {
 246                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 247                 if (pbackup_remainder_ie && premainder_ie)
 248                         memcpy(pbackup_remainder_ie, premainder_ie,
 249                                remainder_ielen);
 250         }
 251
 252         /* copy remainder IE */
 253         if (pbackup_remainder_ie) {
 254                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 255
 256                 kfree(pbackup_remainder_ie);
 257         }
 258
 259         offset =  (uint)(dst_ie - pie);
 260         pnetwork->IELength = offset + remainder_ielen;
 261 }
 262
 263 static u8 chk_sta_is_alive(struct sta_info *psta)
 264 {
 265         u8 ret = false;
 266
 267         if ((psta->sta_stats.last_rx_data_pkts +
 268                         psta->sta_stats.last_rx_ctrl_pkts) ==
 269                         (psta->sta_stats.rx_data_pkts +
 270                         psta->sta_stats.rx_ctrl_pkts))
 271                 ;
 272         else
 273                 ret = true;
 274
 275         sta_update_last_rx_pkts(psta);
 276
 277         return ret;
 278 }
 279
 280 void    expire_timeout_chk(struct adapter *padapter)
 281 {
 282         struct list_head *phead, *plist;
 283         u8 updated = 0;
 284         struct sta_info *psta = NULL;
 285         struct sta_priv *pstapriv = &padapter->stapriv;
 286         u8 chk_alive_num = 0;
 287         char chk_alive_list[NUM_STA];
 288         int i;
 289
 290         spin_lock_bh(&pstapriv->auth_list_lock);
 291
 292         phead = &pstapriv->auth_list;
 293         plist = phead->next;
 294
 295         /* check auth_queue */
 296         while (phead != plist) {
 297                 psta = container_of(plist, struct sta_info, auth_list);
 298                 plist = plist->next;
 299
 300                 if (psta->expire_to > 0) {
 301                         psta->expire_to--;
 302                         if (psta->expire_to == 0) {
 303                                 list_del_init(&psta->auth_list);
 304                                 pstapriv->auth_list_cnt--;
 305
 306                                 DBG_88E("auth expire %6ph\n",
 307                                         psta->hwaddr);
 308
 309                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 310
 311                                 spin_lock_bh(&pstapriv->sta_hash_lock);
 312                                 rtw_free_stainfo(padapter, psta);
 313                                 spin_unlock_bh(&pstapriv->sta_hash_lock);
 314
 315                                 spin_lock_bh(&pstapriv->auth_list_lock);
 316                         }
 317                 }
 318
 319         }
 320         spin_unlock_bh(&pstapriv->auth_list_lock);
 321
 322         psta = NULL;
 323
 324         spin_lock_bh(&pstapriv->asoc_list_lock);
 325
 326         phead = &pstapriv->asoc_list;
 327         plist = phead->next;
 328
 329         /* check asoc_queue */
 330         while (phead != plist) {
 331                 psta = container_of(plist, struct sta_info, asoc_list);
 332                 plist = plist->next;
 333
 334                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 335                         psta->expire_to = pstapriv->expire_to;
 336                         psta->keep_alive_trycnt = 0;
 337                         psta->under_exist_checking = 0;
 338                 } else {
 339                         psta->expire_to--;
 340                 }
 341
 342                 if (psta->expire_to <= 0) {
 343                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 344
 345                         if (padapter->registrypriv.wifi_spec == 1) {
 346                                 psta->expire_to = pstapriv->expire_to;
 347                                 continue;
 348                         }
 349
 350                         if (psta->state & WIFI_SLEEP_STATE) {
 351                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 352                                         /* to check if alive by another methods
 353                                          * if station is at ps mode.
 354                                          */
 355                                         psta->expire_to = pstapriv->expire_to;
 356                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 357
 358                                         /* to update bcn with tim_bitmap
 359                                          * for this station
 360                                          */
 361                                         pstapriv->tim_bitmap |= BIT(psta->aid);
 362                                         update_beacon(padapter, _TIM_IE_, NULL,
 363                                                       false);
 364
 365                                         if (!pmlmeext->active_keep_alive_check)
 366                                                 continue;
 367                                 }
 368                         }
 369                         if (pmlmeext->active_keep_alive_check) {
 370                                 int stainfo_offset;
 371
 372                                 stainfo_offset =
 373                                         rtw_stainfo_offset(pstapriv, psta);
 374                                 if (stainfo_offset_valid(stainfo_offset))
 375                                         chk_alive_list[chk_alive_num++] = stainfo_offset;
 376                                 continue;
 377                         }
 378
 379                         list_del_init(&psta->asoc_list);
 380                         pstapriv->asoc_list_cnt--;
 381
 382                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 383                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 384                 } else {
 385                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 386                         if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
 387                             padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
 388                                 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
 389                                         (psta->hwaddr), psta->sleepq_len,
 390                                         padapter->xmitpriv.free_xmitframe_cnt,
 391                                         pstapriv->asoc_list_cnt);
 392                                 wakeup_sta_to_xmit(padapter, psta);
 393                         }
 394                 }
 395         }
 396
 397         spin_unlock_bh(&pstapriv->asoc_list_lock);
 398
 399         if (chk_alive_num) {
 400                 u8 backup_oper_channel = 0;
 401                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 402                 /* switch to correct channel of current network  before issue keep-alive frames */
 403                 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
 404                         backup_oper_channel = rtw_get_oper_ch(padapter);
 405                         SelectChannel(padapter, pmlmeext->cur_channel);
 406                 }
 407
 408                 /* issue null data to check sta alive*/
 409                 for (i = 0; i < chk_alive_num; i++) {
 410                         int ret = _FAIL;
 411
 412                         psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
 413
 414                         if (psta->state & WIFI_SLEEP_STATE)
 415                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
 416                         else
 417                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
 418
 419                         psta->keep_alive_trycnt++;
 420                         if (ret == _SUCCESS) {
 421                                 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
 422                                 psta->expire_to = pstapriv->expire_to;
 423                                 psta->keep_alive_trycnt = 0;
 424                                 continue;
 425                         } else if (psta->keep_alive_trycnt <= 3) {
 426                                 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 427                                 psta->expire_to = 1;
 428                                 continue;
 429                         }
 430
 431                         psta->keep_alive_trycnt = 0;
 432
 433                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 434                         spin_lock_bh(&pstapriv->asoc_list_lock);
 435                         list_del_init(&psta->asoc_list);
 436                         pstapriv->asoc_list_cnt--;
 437                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 438                         spin_unlock_bh(&pstapriv->asoc_list_lock);
 439                 }
 440
 441                 if (backup_oper_channel > 0) /* back to the original operation channel */
 442                         SelectChannel(padapter, backup_oper_channel);
 443         }
 444
 445         associated_clients_update(padapter, updated);
 446 }
 447
 448 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 449 {
 450         int i;
 451         u8 rf_type;
 452         u32 init_rate = 0;
 453         unsigned char sta_band = 0, raid, shortGIrate = false;
 454         unsigned char limit;
 455         unsigned int tx_ra_bitmap = 0;
 456         struct ht_priv  *psta_ht = NULL;
 457         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 458         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 459
 460         if (psta)
 461                 psta_ht = &psta->htpriv;
 462         else
 463                 return;
 464
 465         if (!(psta->state & _FW_LINKED))
 466                 return;
 467
 468         /* b/g mode ra_bitmap */
 469         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 470                 if (psta->bssrateset[i])
 471                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 472         }
 473         /* n mode ra_bitmap */
 474         if (psta_ht->ht_option) {
 475                 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
 476                 if (rf_type == RF_2T2R)
 477                         limit = 16;/*  2R */
 478                 else
 479                         limit = 8;/*   1R */
 480
 481                 for (i = 0; i < limit; i++) {
 482                         if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
 483                                 tx_ra_bitmap |= BIT(i + 12);
 484                 }
 485
 486                 /* max short GI rate */
 487                 shortGIrate = psta_ht->sgi;
 488         }
 489
 490         if (pcur_network->Configuration.DSConfig > 14) {
 491                 /*  5G band */
 492                 if (tx_ra_bitmap & 0xffff000)
 493                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 494                 else
 495                         sta_band |= WIRELESS_11A;
 496         } else {
 497                 if (tx_ra_bitmap & 0xffff000)
 498                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 499                 else if (tx_ra_bitmap & 0xff0)
 500                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 501                 else
 502                         sta_band |= WIRELESS_11B;
 503         }
 504
 505         psta->wireless_mode = sta_band;
 506
 507         raid = networktype_to_raid(sta_band);
 508         init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 509
 510         if (psta->aid < NUM_STA) {
 511                 u8 arg = 0;
 512
 513                 arg = psta->mac_id & 0x1f;
 514
 515                 arg |= BIT(7);/* support entry 2~31 */
 516
 517                 if (shortGIrate)
 518                         arg |= BIT(5);
 519
 520                 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 521
 522                 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
 523                         __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
 524
 525                 /* bitmap[0:27] = tx_rate_bitmap */
 526                 /* bitmap[28:31]= Rate Adaptive id */
 527                 /* arg[0:4] = macid */
 528                 /* arg[5] = Short GI */
 529                 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
 530
 531                 if (shortGIrate)
 532                         init_rate |= BIT(6);
 533
 534                 /* set ra_id, init_rate */
 535                 psta->raid = raid;
 536                 psta->init_rate = init_rate;
 537
 538         } else {
 539                 DBG_88E("station aid %d exceed the max number\n", psta->aid);
 540         }
 541 }
 542
 543 static void update_bmc_sta(struct adapter *padapter)
 544 {
 545         u32 init_rate = 0;
 546         unsigned char   network_type, raid;
 547         int i, supportRateNum = 0;
 548         unsigned int tx_ra_bitmap = 0;
 549         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 550         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 551         struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
 552
 553         if (psta) {
 554                 psta->aid = 0;/* default set to 0 */
 555                 psta->mac_id = psta->aid + 1;
 556
 557                 psta->qos_option = 0;
 558                 psta->htpriv.ht_option = false;
 559
 560                 psta->ieee8021x_blocked = 0;
 561
 562                 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 563
 564                 /* prepare for add_RATid */
 565                 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
 566                 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
 567
 568                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 569                 psta->bssratelen = supportRateNum;
 570
 571                 /* b/g mode ra_bitmap */
 572                 for (i = 0; i < supportRateNum; i++) {
 573                         if (psta->bssrateset[i])
 574                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 575                 }
 576
 577                 if (pcur_network->Configuration.DSConfig > 14) {
 578                         /* force to A mode. 5G doesn't support CCK rates */
 579                         network_type = WIRELESS_11A;
 580                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 581                 } else {
 582                         /* force to b mode */
 583                         network_type = WIRELESS_11B;
 584                         tx_ra_bitmap = 0xf;
 585                 }
 586
 587                 raid = networktype_to_raid(network_type);
 588                 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 589
 590                 /* ap mode */
 591                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 592
 593                 {
 594                         u8 arg = 0;
 595
 596                         arg = psta->mac_id&0x1f;
 597                         arg |= BIT(7);
 598                         tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 599                         DBG_88E("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
 600
 601                         /* bitmap[0:27] = tx_rate_bitmap */
 602                         /* bitmap[28:31]= Rate Adaptive id */
 603                         /* arg[0:4] = macid */
 604                         /* arg[5] = Short GI */
 605                         rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
 606                 }
 607                 /* set ra_id, init_rate */
 608                 psta->raid = raid;
 609                 psta->init_rate = init_rate;
 610
 611                 rtw_stassoc_hw_rpt(padapter, psta);
 612
 613                 spin_lock_bh(&psta->lock);
 614                 psta->state = _FW_LINKED;
 615                 spin_unlock_bh(&psta->lock);
 616
 617         } else {
 618                 DBG_88E("add_RATid_bmc_sta error!\n");
 619         }
 620 }
 621
 622 /* notes: */
 623 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 624 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 625 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 626 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 627 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 628
 629 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
 630 {
 631         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 632         struct security_priv *psecuritypriv = &padapter->securitypriv;
 633         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 634         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
 635         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 636
 637         psta->mac_id = psta->aid + 1;
 638         DBG_88E("%s\n", __func__);
 639
 640         /* ap mode */
 641         rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 642
 643         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 644                 psta->ieee8021x_blocked = true;
 645         else
 646                 psta->ieee8021x_blocked = false;
 647
 648
 649         /* update sta's cap */
 650
 651         /* ERP */
 652         VCS_update(padapter, psta);
 653         /* HT related cap */
 654         if (phtpriv_sta->ht_option) {
 655                 /* check if sta supports rx ampdu */
 656                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 657
 658                 /* check if sta support s Short GI */
 659                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 660                                 phtpriv_ap->ht_cap.cap_info) &
 661                     (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
 662                         phtpriv_sta->sgi = true;
 663
 664                 /*  bwmode */
 665                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 666                                 phtpriv_ap->ht_cap.cap_info) &
 667                     IEEE80211_HT_CAP_SUP_WIDTH) {
 668                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 669                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 670                 }
 671                 psta->qos_option = true;
 672         } else {
 673                 phtpriv_sta->ampdu_enable = false;
 674                 phtpriv_sta->sgi = false;
 675                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 676                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 677         }
 678
 679         /* Rx AMPDU */
 680         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
 681
 682         /* TX AMPDU */
 683         send_delba(padapter, 1, psta->hwaddr);/* originator */
 684         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 685         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 686
 687         /* todo: init other variables */
 688
 689         memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 690
 691         spin_lock_bh(&psta->lock);
 692         psta->state |= _FW_LINKED;
 693         spin_unlock_bh(&psta->lock);
 694 }
 695
 696 static void update_hw_ht_param(struct adapter *padapter)
 697 {
 698         unsigned char           max_AMPDU_len;
 699         unsigned char           min_MPDU_spacing;
 700         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 701         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 702
 703         DBG_88E("%s\n", __func__);
 704
 705         /* handle A-MPDU parameter field */
 706         /*
 707                 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 708                 ampdu_params_info [4:2]:Min MPDU Start Spacing
 709         */
 710         max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
 711
 712         min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
 713
 714         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 715
 716         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 717
 718         /*  */
 719         /*  Config SM Power Save setting */
 720         /*  */
 721         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
 722         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 723                 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 724 }
 725
 726 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
 727 {
 728         u8 *p;
 729         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 730         u16 bcn_interval;
 731         u32     acparm;
 732         int     ie_len;
 733         struct registry_priv     *pregpriv = &padapter->registrypriv;
 734         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 735         struct security_priv *psecuritypriv = &padapter->securitypriv;
 736         struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 737         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 738         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 739         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
 740         struct HT_info_element *pht_info = NULL;
 741
 742         bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
 743         cur_channel = pnetwork->Configuration.DSConfig;
 744         cur_bwmode = HT_CHANNEL_WIDTH_20;
 745         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 746
 747
 748         /* check if there is wps ie, */
 749         /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
 750         /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
 751         if (!rtw_get_wps_ie(pnetwork->IEs + _FIXED_IE_LENGTH_, pnetwork->IELength - _FIXED_IE_LENGTH_, NULL, NULL))
 752                 pmlmeext->bstart_bss = true;
 753
 754         /* todo: update wmm, ht cap */
 755         if (pmlmepriv->qospriv.qos_option)
 756                 pmlmeinfo->WMM_enable = true;
 757         if (pmlmepriv->htpriv.ht_option) {
 758                 pmlmeinfo->WMM_enable = true;
 759                 pmlmeinfo->HT_enable = true;
 760
 761                 update_hw_ht_param(padapter);
 762         }
 763
 764         if (pmlmepriv->cur_network.join_res != true) { /* setting only at  first time */
 765                 /* WEP Key will be set before this function, do not clear CAM. */
 766                 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
 767                     (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
 768                         flush_all_cam_entry(padapter);  /* clear CAM */
 769         }
 770
 771         /* set MSR to AP_Mode */
 772         Set_MSR(padapter, _HW_STATE_AP_);
 773
 774         /* Set BSSID REG */
 775         rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
 776
 777         /* Set EDCA param reg */
 778         acparm = 0x002F3217; /*  VO */
 779         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
 780         acparm = 0x005E4317; /*  VI */
 781         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
 782         acparm = 0x005ea42b;
 783         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
 784         acparm = 0x0000A444; /*  BK */
 785         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
 786
 787         /* Set Security */
 788         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
 789         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
 790
 791         /* Beacon Control related register */
 792         rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
 793
 794         UpdateBrateTbl(padapter, pnetwork->SupportedRates);
 795         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
 796
 797         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
 798                 /* turn on all dynamic functions */
 799                 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
 800         }
 801         /* set channel, bwmode */
 802         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)));
 803         if (p && ie_len) {
 804                 pht_info = (struct HT_info_element *)(p + 2);
 805
 806                 if ((pregpriv->cbw40_enable) &&  (pht_info->infos[0] & BIT(2))) {
 807                         /* switch to the 40M Hz mode */
 808                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 809                         switch (pht_info->infos[0] & 0x3) {
 810                         case 1:
 811                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 812                                 break;
 813                         case 3:
 814                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 815                                 break;
 816                         default:
 817                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 818                                 break;
 819                         }
 820                 }
 821         }
 822         /* TODO: need to judge the phy parameters on concurrent mode for single phy */
 823         set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 824
 825         DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
 826
 827         /*  */
 828         pmlmeext->cur_channel = cur_channel;
 829         pmlmeext->cur_bwmode = cur_bwmode;
 830         pmlmeext->cur_ch_offset = cur_ch_offset;
 831         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 832
 833         /* update cur_wireless_mode */
 834         update_wireless_mode(padapter);
 835
 836         /* update capability after cur_wireless_mode updated */
 837         update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
 838
 839         /* let pnetwork_mlmeext == pnetwork_mlme. */
 840         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 841
 842         if (pmlmeext->bstart_bss) {
 843                 update_beacon(padapter, _TIM_IE_, NULL, false);
 844
 845                 /* issue beacon frame */
 846                 if (send_beacon(padapter) == _FAIL)
 847                         DBG_88E("send_beacon, fail!\n");
 848         }
 849
 850         /* update bc/mc sta_info */
 851         update_bmc_sta(padapter);
 852 }
 853
 854 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 855 {
 856         int ret = _SUCCESS;
 857         u8 *p;
 858         u8 *pHT_caps_ie = NULL;
 859         u8 *pHT_info_ie = NULL;
 860         struct sta_info *psta = NULL;
 861         u16 cap, ht_cap = false;
 862         uint ie_len = 0;
 863         int group_cipher, pairwise_cipher;
 864         u8      channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 865         int supportRateNum = 0;
 866         u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
 867         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 868         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 869         struct security_priv *psecuritypriv = &padapter->securitypriv;
 870         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 871         struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 872         u8 *ie = pbss_network->IEs;
 873
 874         /* SSID */
 875         /* Supported rates */
 876         /* DS Params */
 877         /* WLAN_EID_COUNTRY */
 878         /* ERP Information element */
 879         /* Extended supported rates */
 880         /* WPA/WPA2 */
 881         /* Wi-Fi Wireless Multimedia Extensions */
 882         /* ht_capab, ht_oper */
 883         /* WPS IE */
 884
 885         DBG_88E("%s, len =%d\n", __func__, len);
 886
 887         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
 888                 return _FAIL;
 889
 890
 891         if (len > MAX_IE_SZ)
 892                 return _FAIL;
 893
 894         pbss_network->IELength = len;
 895
 896         memset(ie, 0, MAX_IE_SZ);
 897
 898         memcpy(ie, pbuf, pbss_network->IELength);
 899
 900
 901         if (pbss_network->InfrastructureMode != Ndis802_11APMode)
 902                 return _FAIL;
 903
 904         pbss_network->Rssi = 0;
 905
 906         ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
 907
 908         /* beacon interval */
 909         p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
 910         pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
 911
 912         /* capability */
 913         cap = get_unaligned_le16(ie);
 914
 915         /* SSID */
 916         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 917         if (p && ie_len > 0) {
 918                 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 919                 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
 920                 pbss_network->Ssid.SsidLength = ie_len;
 921         }
 922
 923         /* channel */
 924         channel = 0;
 925         pbss_network->Configuration.Length = 0;
 926         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 927         if (p && ie_len > 0)
 928                 channel = *(p + 2);
 929
 930         pbss_network->Configuration.DSConfig = channel;
 931
 932         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 933         /*  get supported rates */
 934         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 935         if (p) {
 936                 memcpy(supportRate, p + 2, ie_len);
 937                 supportRateNum = ie_len;
 938         }
 939
 940         /* get ext_supported rates */
 941         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
 942         if (p) {
 943                 memcpy(supportRate + supportRateNum, p + 2, ie_len);
 944                 supportRateNum += ie_len;
 945         }
 946
 947         network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
 948
 949         rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
 950
 951         /* parsing ERP_IE */
 952         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 953         if (p && ie_len > 0)
 954                 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
 955
 956         /* update privacy/security */
 957         if (cap & BIT(4))
 958                 pbss_network->Privacy = 1;
 959         else
 960                 pbss_network->Privacy = 0;
 961
 962         psecuritypriv->wpa_psk = 0;
 963
 964         /* wpa2 */
 965         group_cipher = 0;
 966         pairwise_cipher = 0;
 967         psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
 968         psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
 969         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 970         if (p && ie_len > 0) {
 971                 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
 972                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 973
 974                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 975                         psecuritypriv->wpa_psk |= BIT(1);
 976
 977                         psecuritypriv->wpa2_group_cipher = group_cipher;
 978                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 979                 }
 980         }
 981         /* wpa */
 982         ie_len = 0;
 983         group_cipher = 0;
 984         pairwise_cipher = 0;
 985         psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
 986         psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
 987         for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 988                 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
 989                                (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
 990                 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
 991                         if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
 992                                              &pairwise_cipher, NULL) == _SUCCESS) {
 993                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 994
 995                                 psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 996
 997                                 psecuritypriv->wpa_psk |= BIT(0);
 998
 999                                 psecuritypriv->wpa_group_cipher = group_cipher;
1000                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
1001                         }
1002                         break;
1003                 }
1004                 if ((p == NULL) || (ie_len == 0))
1005                         break;
1006         }
1007
1008         /* wmm */
1009         ie_len = 0;
1010         pmlmepriv->qospriv.qos_option = 0;
1011         if (pregistrypriv->wmm_enable) {
1012                 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
1013                         p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
1014                                        (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
1015                         if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1016                                 pmlmepriv->qospriv.qos_option = 1;
1017
1018                                 *(p + 8) |= BIT(7);/* QoS Info, support U-APSD */
1019
1020                                 /* disable all ACM bits since the WMM admission control is not supported */
1021                                 *(p + 10) &= ~BIT(4); /* BE */
1022                                 *(p + 14) &= ~BIT(4); /* BK */
1023                                 *(p + 18) &= ~BIT(4); /* VI */
1024                                 *(p + 22) &= ~BIT(4); /* VO */
1025                                 break;
1026                         }
1027
1028                         if ((p == NULL) || (ie_len == 0))
1029                                 break;
1030                 }
1031         }
1032         /* parsing HT_CAP_IE */
1033         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
1034                        (pbss_network->IELength - _BEACON_IE_OFFSET_));
1035         if (p && ie_len > 0) {
1036                 u8 rf_type;
1037                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1038
1039                 pHT_caps_ie = p;
1040                 ht_cap = true;
1041                 network_type |= WIRELESS_11_24N;
1042
1043                 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1044
1045                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1046                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
1047                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
1048                 else
1049                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
1050
1051                 /* set  Max Rx AMPDU size  to 64K */
1052                 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
1053
1054                 if (rf_type == RF_1T1R) {
1055                         pht_cap->mcs.rx_mask[0] = 0xff;
1056                         pht_cap->mcs.rx_mask[1] = 0x0;
1057                 }
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 == NULL)
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 == NULL)
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 == NULL || 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 rtw_reset_securitypriv */
1853         memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1854         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1855         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1856
1857         /* for ACL */
1858         spin_lock_bh(&pacl_node_q->lock);
1859         phead = get_list_head(pacl_node_q);
1860         plist = phead->next;
1861         while (phead != plist) {
1862                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1863                 plist = plist->next;
1864
1865                 if (paclnode->valid) {
1866                         paclnode->valid = false;
1867
1868                         list_del_init(&paclnode->list);
1869
1870                         pacl_list->num--;
1871                 }
1872         }
1873         spin_unlock_bh(&pacl_node_q->lock);
1874
1875         DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1876
1877         rtw_sta_flush(padapter);
1878
1879         /* free_assoc_sta_resources */
1880         rtw_free_all_stainfo(padapter);
1881
1882         psta = rtw_get_bcmc_stainfo(padapter);
1883         spin_lock_bh(&pstapriv->sta_hash_lock);
1884         rtw_free_stainfo(padapter, psta);
1885         spin_unlock_bh(&pstapriv->sta_hash_lock);
1886
1887         rtw_init_bcmc_stainfo(padapter);
1888
1889         rtw_free_mlme_priv_ie_data(pmlmepriv);
1890 }
1891
1892 #endif /* CONFIG_88EU_AP_MODE */