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  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20 #define _RTW_AP_C_
  21
  22 #include <osdep_service.h>
  23 #include <drv_types.h>
  24 #include <wifi.h>
  25 #include <ieee80211.h>
  26
  27 #ifdef CONFIG_88EU_AP_MODE
  28
  29 void init_mlme_ap_info(struct adapter *padapter)
  30 {
  31         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  32         struct sta_priv *pstapriv = &padapter->stapriv;
  33         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
  34
  35
  36         spin_lock_init(&pmlmepriv->bcn_update_lock);
  37
  38         /* for ACL */
  39         _rtw_init_queue(&pacl_list->acl_node_q);
  40
  41         start_ap_mode(padapter);
  42 }
  43
  44 void free_mlme_ap_info(struct adapter *padapter)
  45 {
  46         struct sta_info *psta = NULL;
  47         struct sta_priv *pstapriv = &padapter->stapriv;
  48         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  49         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  50         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
  51
  52         pmlmepriv->update_bcn = false;
  53         pmlmeext->bstart_bss = false;
  54
  55         rtw_sta_flush(padapter);
  56
  57         pmlmeinfo->state = _HW_STATE_NOLINK_;
  58
  59         /* free_assoc_sta_resources */
  60         rtw_free_all_stainfo(padapter);
  61
  62         /* free bc/mc sta_info */
  63         psta = rtw_get_bcmc_stainfo(padapter);
  64         spin_lock_bh(&(pstapriv->sta_hash_lock));
  65         rtw_free_stainfo(padapter, psta);
  66         spin_unlock_bh(&(pstapriv->sta_hash_lock));
  67 }
  68
  69 static void update_BCNTIM(struct adapter *padapter)
  70 {
  71         struct sta_priv *pstapriv = &padapter->stapriv;
  72         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
  73         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
  74         struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
  75         unsigned char *pie = pnetwork_mlmeext->IEs;
  76
  77         /* update TIM IE */
  78         if (true) {
  79                 u8 *p, *dst_ie, *premainder_ie = NULL;
  80                 u8 *pbackup_remainder_ie = NULL;
  81                 __le16 tim_bitmap_le;
  82                 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  83
  84                 tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
  85
  86                 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
  87                 if (p != NULL && tim_ielen > 0) {
  88                         tim_ielen += 2;
  89                         premainder_ie = p+tim_ielen;
  90                         tim_ie_offset = (int)(p - pie);
  91                         remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
  92                         /* append TIM IE from dst_ie offset */
  93                         dst_ie = p;
  94                 } else {
  95                         tim_ielen = 0;
  96
  97                         /* calculate head_len */
  98                         offset = _FIXED_IE_LENGTH_;
  99                         offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
 100
 101                         /*  get supported rates len */
 102                         p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
 103                         if (p !=  NULL)
 104                                 offset += tmp_len+2;
 105
 106                         /* DS Parameter Set IE, len = 3 */
 107                         offset += 3;
 108
 109                         premainder_ie = pie + offset;
 110
 111                         remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
 112
 113                         /* append TIM IE from offset */
 114                         dst_ie = pie + offset;
 115                 }
 116
 117                 if (remainder_ielen > 0) {
 118                         pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 119                         if (pbackup_remainder_ie && premainder_ie)
 120                                 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
 121                 }
 122                 *dst_ie++ = _TIM_IE_;
 123
 124                 if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
 125                         tim_ielen = 5;
 126                 else
 127                         tim_ielen = 4;
 128
 129                 *dst_ie++ = tim_ielen;
 130
 131                 *dst_ie++ = 0;/* DTIM count */
 132                 *dst_ie++ = 1;/* DTIM period */
 133
 134                 if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
 135                         *dst_ie++ = BIT(0);/* bitmap ctrl */
 136                 else
 137                         *dst_ie++ = 0;
 138
 139                 if (tim_ielen == 4) {
 140                         *dst_ie++ = *(u8 *)&tim_bitmap_le;
 141                 } else if (tim_ielen == 5) {
 142                         memcpy(dst_ie, &tim_bitmap_le, 2);
 143                         dst_ie += 2;
 144                 }
 145
 146                 /* copy remainder IE */
 147                 if (pbackup_remainder_ie) {
 148                         memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 149
 150                         kfree(pbackup_remainder_ie);
 151                 }
 152                 offset =  (uint)(dst_ie - pie);
 153                 pnetwork_mlmeext->IELength = offset + remainder_ielen;
 154         }
 155
 156         set_tx_beacon_cmd(padapter);
 157 }
 158
 159 void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index, u8 *data, u8 len)
 160 {
 161         struct ndis_802_11_var_ie *pIE;
 162         u8 bmatch = false;
 163         u8 *pie = pnetwork->IEs;
 164         u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
 165         u8 *pbackup_remainder_ie = NULL;
 166         u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
 167
 168         for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
 169                 pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
 170
 171                 if (pIE->ElementID > index) {
 172                         break;
 173                 } else if (pIE->ElementID == index) { /*  already exist the same IE */
 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 != NULL && 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, 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, u8 index)
 223 {
 224         u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
 225         u8 *pbackup_remainder_ie = NULL;
 226         uint offset, ielen, ie_offset, remainder_ielen = 0;
 227         u8      *pie = pnetwork->IEs;
 228
 229         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
 230                        pnetwork->IELength - _FIXED_IE_LENGTH_);
 231         if (p != NULL && ielen > 0) {
 232                 ielen += 2;
 233
 234                 premainder_ie = p+ielen;
 235
 236                 ie_offset = (int)(p - pie);
 237
 238                 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
 239
 240                 dst_ie = p;
 241         }
 242
 243         if (remainder_ielen > 0) {
 244                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 245                 if (pbackup_remainder_ie && premainder_ie)
 246                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
 247         }
 248
 249         /* copy remainder IE */
 250         if (pbackup_remainder_ie) {
 251                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 252
 253                 kfree(pbackup_remainder_ie);
 254         }
 255
 256         offset =  (uint)(dst_ie - pie);
 257         pnetwork->IELength = offset + remainder_ielen;
 258 }
 259
 260 static u8 chk_sta_is_alive(struct sta_info *psta)
 261 {
 262         u8 ret = false;
 263
 264         if ((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) ==
 265             (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
 266                 ;
 267         else
 268                 ret = true;
 269
 270         sta_update_last_rx_pkts(psta);
 271
 272         return ret;
 273 }
 274
 275 void    expire_timeout_chk(struct adapter *padapter)
 276 {
 277         struct list_head *phead, *plist;
 278         u8 updated = 0;
 279         struct sta_info *psta = NULL;
 280         struct sta_priv *pstapriv = &padapter->stapriv;
 281         u8 chk_alive_num = 0;
 282         char chk_alive_list[NUM_STA];
 283         int i;
 284
 285         spin_lock_bh(&pstapriv->auth_list_lock);
 286
 287         phead = &pstapriv->auth_list;
 288         plist = phead->next;
 289
 290         /* check auth_queue */
 291         while (phead != plist) {
 292                 psta = container_of(plist, struct sta_info, auth_list);
 293                 plist = plist->next;
 294
 295                 if (psta->expire_to > 0) {
 296                         psta->expire_to--;
 297                         if (psta->expire_to == 0) {
 298                                 list_del_init(&psta->auth_list);
 299                                 pstapriv->auth_list_cnt--;
 300
 301                                 DBG_88E("auth expire %6ph\n",
 302                                         psta->hwaddr);
 303
 304                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 305
 306                                 spin_lock_bh(&(pstapriv->sta_hash_lock));
 307                                 rtw_free_stainfo(padapter, psta);
 308                                 spin_unlock_bh(&(pstapriv->sta_hash_lock));
 309
 310                                 spin_lock_bh(&pstapriv->auth_list_lock);
 311                         }
 312                 }
 313
 314         }
 315         spin_unlock_bh(&pstapriv->auth_list_lock);
 316
 317         psta = NULL;
 318
 319         spin_lock_bh(&pstapriv->asoc_list_lock);
 320
 321         phead = &pstapriv->asoc_list;
 322         plist = phead->next;
 323
 324         /* check asoc_queue */
 325         while (phead != plist) {
 326                 psta = container_of(plist, struct sta_info, asoc_list);
 327                 plist = plist->next;
 328
 329                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 330                         psta->expire_to = pstapriv->expire_to;
 331                         psta->keep_alive_trycnt = 0;
 332                         psta->under_exist_checking = 0;
 333                 } else {
 334                         psta->expire_to--;
 335                 }
 336
 337                 if (psta->expire_to <= 0) {
 338                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 339
 340                         if (padapter->registrypriv.wifi_spec == 1) {
 341                                 psta->expire_to = pstapriv->expire_to;
 342                                 continue;
 343                         }
 344
 345                         if (psta->state & WIFI_SLEEP_STATE) {
 346                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 347                                         /* to check if alive by another methods if station is at ps mode. */
 348                                         psta->expire_to = pstapriv->expire_to;
 349                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 350
 351                                         /* to update bcn with tim_bitmap for this station */
 352                                         pstapriv->tim_bitmap |= BIT(psta->aid);
 353                                         update_beacon(padapter, _TIM_IE_, NULL, false);
 354
 355                                         if (!pmlmeext->active_keep_alive_check)
 356                                                 continue;
 357                                 }
 358                         }
 359                         if (pmlmeext->active_keep_alive_check) {
 360                                 int stainfo_offset;
 361
 362                                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
 363                                 if (stainfo_offset_valid(stainfo_offset))
 364                                         chk_alive_list[chk_alive_num++] = stainfo_offset;
 365                                 continue;
 366                         }
 367
 368                         list_del_init(&psta->asoc_list);
 369                         pstapriv->asoc_list_cnt--;
 370
 371                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 372                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 373                 } else {
 374                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 375                         if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt) &&
 376                             padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME/pstapriv->asoc_list_cnt/2)) {
 377                                 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
 378                                         (psta->hwaddr), psta->sleepq_len,
 379                                         padapter->xmitpriv.free_xmitframe_cnt,
 380                                         pstapriv->asoc_list_cnt);
 381                                 wakeup_sta_to_xmit(padapter, psta);
 382                         }
 383                 }
 384         }
 385
 386         spin_unlock_bh(&pstapriv->asoc_list_lock);
 387
 388         if (chk_alive_num) {
 389                 u8 backup_oper_channel = 0;
 390                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 391                 /* switch to correct channel of current network  before issue keep-alive frames */
 392                 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
 393                         backup_oper_channel = rtw_get_oper_ch(padapter);
 394                         SelectChannel(padapter, pmlmeext->cur_channel);
 395                 }
 396
 397                 /* issue null data to check sta alive*/
 398                 for (i = 0; i < chk_alive_num; i++) {
 399                         int ret = _FAIL;
 400
 401                         psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
 402
 403                         if (psta->state & WIFI_SLEEP_STATE)
 404                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
 405                         else
 406                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
 407
 408                         psta->keep_alive_trycnt++;
 409                         if (ret == _SUCCESS) {
 410                                 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
 411                                 psta->expire_to = pstapriv->expire_to;
 412                                 psta->keep_alive_trycnt = 0;
 413                                 continue;
 414                         } else if (psta->keep_alive_trycnt <= 3) {
 415                                 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 416                                 psta->expire_to = 1;
 417                                 continue;
 418                         }
 419
 420                         psta->keep_alive_trycnt = 0;
 421
 422                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 423                         spin_lock_bh(&pstapriv->asoc_list_lock);
 424                         list_del_init(&psta->asoc_list);
 425                         pstapriv->asoc_list_cnt--;
 426                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 427                         spin_unlock_bh(&pstapriv->asoc_list_lock);
 428                 }
 429
 430                 if (backup_oper_channel > 0) /* back to the original operation channel */
 431                         SelectChannel(padapter, backup_oper_channel);
 432         }
 433
 434         associated_clients_update(padapter, updated);
 435 }
 436
 437 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 438 {
 439         int i;
 440         u8 rf_type;
 441         u32 init_rate = 0;
 442         unsigned char sta_band = 0, raid, shortGIrate = false;
 443         unsigned char limit;
 444         unsigned int tx_ra_bitmap = 0;
 445         struct ht_priv  *psta_ht = NULL;
 446         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 447         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 448
 449         if (psta)
 450                 psta_ht = &psta->htpriv;
 451         else
 452                 return;
 453
 454         if (!(psta->state & _FW_LINKED))
 455                 return;
 456
 457         /* b/g mode ra_bitmap */
 458         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 459                 if (psta->bssrateset[i])
 460                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
 461         }
 462         /* n mode ra_bitmap */
 463         if (psta_ht->ht_option) {
 464                 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
 465                 if (rf_type == RF_2T2R)
 466                         limit = 16;/*  2R */
 467                 else
 468                         limit = 8;/*   1R */
 469
 470                 for (i = 0; i < limit; i++) {
 471                         if (psta_ht->ht_cap.supp_mcs_set[i/8] & BIT(i%8))
 472                                 tx_ra_bitmap |= BIT(i+12);
 473                 }
 474
 475                 /* max short GI rate */
 476                 shortGIrate = psta_ht->sgi;
 477         }
 478
 479         if (pcur_network->Configuration.DSConfig > 14) {
 480                 /*  5G band */
 481                 if (tx_ra_bitmap & 0xffff000)
 482                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 483                 else
 484                         sta_band |= WIRELESS_11A;
 485         } else {
 486                 if (tx_ra_bitmap & 0xffff000)
 487                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 488                 else if (tx_ra_bitmap & 0xff0)
 489                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 490                 else
 491                         sta_band |= WIRELESS_11B;
 492         }
 493
 494         psta->wireless_mode = sta_band;
 495
 496         raid = networktype_to_raid(sta_band);
 497         init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
 498
 499         if (psta->aid < NUM_STA) {
 500                 u8 arg = 0;
 501
 502                 arg = psta->mac_id&0x1f;
 503
 504                 arg |= BIT(7);/* support entry 2~31 */
 505
 506                 if (shortGIrate)
 507                         arg |= BIT(5);
 508
 509                 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 510
 511                 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
 512                         __func__ , psta->mac_id, raid , tx_ra_bitmap, arg);
 513
 514                 /* bitmap[0:27] = tx_rate_bitmap */
 515                 /* bitmap[28:31]= Rate Adaptive id */
 516                 /* arg[0:4] = macid */
 517                 /* arg[5] = Short GI */
 518                 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
 519
 520                 if (shortGIrate)
 521                         init_rate |= BIT(6);
 522
 523                 /* set ra_id, init_rate */
 524                 psta->raid = raid;
 525                 psta->init_rate = init_rate;
 526
 527         } else {
 528                 DBG_88E("station aid %d exceed the max number\n", psta->aid);
 529         }
 530 }
 531
 532 static void update_bmc_sta(struct adapter *padapter)
 533 {
 534         u32 init_rate = 0;
 535         unsigned char   network_type, raid;
 536         int i, supportRateNum = 0;
 537         unsigned int tx_ra_bitmap = 0;
 538         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 539         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 540         struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
 541
 542         if (psta) {
 543                 psta->aid = 0;/* default set to 0 */
 544                 psta->mac_id = psta->aid + 1;
 545
 546                 psta->qos_option = 0;
 547                 psta->htpriv.ht_option = false;
 548
 549                 psta->ieee8021x_blocked = 0;
 550
 551                 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 552
 553                 /* prepare for add_RATid */
 554                 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
 555                 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
 556
 557                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 558                 psta->bssratelen = supportRateNum;
 559
 560                 /* b/g mode ra_bitmap */
 561                 for (i = 0; i < supportRateNum; i++) {
 562                         if (psta->bssrateset[i])
 563                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
 564                 }
 565
 566                 if (pcur_network->Configuration.DSConfig > 14) {
 567                         /* force to A mode. 5G doesn't support CCK rates */
 568                         network_type = WIRELESS_11A;
 569                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 570                 } else {
 571                         /* force to b mode */
 572                         network_type = WIRELESS_11B;
 573                         tx_ra_bitmap = 0xf;
 574                 }
 575
 576                 raid = networktype_to_raid(network_type);
 577                 init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
 578
 579                 /* ap mode */
 580                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 581
 582                 {
 583                         u8 arg = 0;
 584
 585                         arg = psta->mac_id&0x1f;
 586                         arg |= BIT(7);
 587                         tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 588                         DBG_88E("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
 589
 590                         /* bitmap[0:27] = tx_rate_bitmap */
 591                         /* bitmap[28:31]= Rate Adaptive id */
 592                         /* arg[0:4] = macid */
 593                         /* arg[5] = Short GI */
 594                         rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
 595                 }
 596                 /* set ra_id, init_rate */
 597                 psta->raid = raid;
 598                 psta->init_rate = init_rate;
 599
 600                 rtw_stassoc_hw_rpt(padapter, psta);
 601
 602                 spin_lock_bh(&psta->lock);
 603                 psta->state = _FW_LINKED;
 604                 spin_unlock_bh(&psta->lock);
 605
 606         } else {
 607                 DBG_88E("add_RATid_bmc_sta error!\n");
 608         }
 609 }
 610
 611 /* notes: */
 612 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 613 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 614 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 615 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 616 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 617
 618 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
 619 {
 620         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 621         struct security_priv *psecuritypriv = &padapter->securitypriv;
 622         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
 623         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
 624         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 625
 626         psta->mac_id = psta->aid+1;
 627         DBG_88E("%s\n", __func__);
 628
 629         /* ap mode */
 630         rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 631
 632         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 633                 psta->ieee8021x_blocked = true;
 634         else
 635                 psta->ieee8021x_blocked = false;
 636
 637
 638         /* update sta's cap */
 639
 640         /* ERP */
 641         VCS_update(padapter, psta);
 642         /* HT related cap */
 643         if (phtpriv_sta->ht_option) {
 644                 /* check if sta supports rx ampdu */
 645                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 646
 647                 /* check if sta support s Short GI */
 648                 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
 649                         phtpriv_sta->sgi = true;
 650
 651                 /*  bwmode */
 652                 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) {
 653                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 654                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 655                 }
 656                 psta->qos_option = true;
 657         } else {
 658                 phtpriv_sta->ampdu_enable = false;
 659                 phtpriv_sta->sgi = false;
 660                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 661                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 662         }
 663
 664         /* Rx AMPDU */
 665         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
 666
 667         /* TX AMPDU */
 668         send_delba(padapter, 1, psta->hwaddr);/* originator */
 669         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 670         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 671
 672         /* todo: init other variables */
 673
 674         memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 675
 676         spin_lock_bh(&psta->lock);
 677         psta->state |= _FW_LINKED;
 678         spin_unlock_bh(&psta->lock);
 679 }
 680
 681 static void update_hw_ht_param(struct adapter *padapter)
 682 {
 683         unsigned char           max_AMPDU_len;
 684         unsigned char           min_MPDU_spacing;
 685         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 686         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 687
 688         DBG_88E("%s\n", __func__);
 689
 690         /* handle A-MPDU parameter field */
 691         /*
 692                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 693                 AMPDU_para [4:2]:Min MPDU Start Spacing
 694         */
 695         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
 696
 697         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
 698
 699         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 700
 701         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 702
 703         /*  */
 704         /*  Config SM Power Save setting */
 705         /*  */
 706         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
 707         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 708                 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 709 }
 710
 711 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
 712 {
 713         u8 *p;
 714         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 715         u16 bcn_interval;
 716         u32     acparm;
 717         int     ie_len;
 718         struct registry_priv     *pregpriv = &padapter->registrypriv;
 719         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 720         struct security_priv *psecuritypriv = &(padapter->securitypriv);
 721         struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 722         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
 723         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 724         struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
 725         struct HT_info_element *pht_info = NULL;
 726
 727         bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
 728         cur_channel = pnetwork->Configuration.DSConfig;
 729         cur_bwmode = HT_CHANNEL_WIDTH_20;
 730         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 731
 732
 733         /* check if there is wps ie, */
 734         /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
 735         /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
 736         if (!rtw_get_wps_ie(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
 737                 pmlmeext->bstart_bss = true;
 738
 739         /* todo: update wmm, ht cap */
 740         if (pmlmepriv->qospriv.qos_option)
 741                 pmlmeinfo->WMM_enable = true;
 742         if (pmlmepriv->htpriv.ht_option) {
 743                 pmlmeinfo->WMM_enable = true;
 744                 pmlmeinfo->HT_enable = true;
 745
 746                 update_hw_ht_param(padapter);
 747         }
 748
 749         if (pmlmepriv->cur_network.join_res != true) { /* setting only at  first time */
 750                 /* WEP Key will be set before this function, do not clear CAM. */
 751                 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
 752                     (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
 753                         flush_all_cam_entry(padapter);  /* clear CAM */
 754         }
 755
 756         /* set MSR to AP_Mode */
 757         Set_MSR(padapter, _HW_STATE_AP_);
 758
 759         /* Set BSSID REG */
 760         rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
 761
 762         /* Set EDCA param reg */
 763         acparm = 0x002F3217; /*  VO */
 764         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
 765         acparm = 0x005E4317; /*  VI */
 766         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
 767         acparm = 0x005ea42b;
 768         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
 769         acparm = 0x0000A444; /*  BK */
 770         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
 771
 772         /* Set Security */
 773         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
 774         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
 775
 776         /* Beacon Control related register */
 777         rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
 778
 779         UpdateBrateTbl(padapter, pnetwork->SupportedRates);
 780         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
 781
 782         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
 783                 /* turn on all dynamic functions */
 784                 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
 785         }
 786         /* set channel, bwmode */
 787         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)));
 788         if (p && ie_len) {
 789                 pht_info = (struct HT_info_element *)(p+2);
 790
 791                 if ((pregpriv->cbw40_enable) &&  (pht_info->infos[0] & BIT(2))) {
 792                         /* switch to the 40M Hz mode */
 793                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 794                         switch (pht_info->infos[0] & 0x3) {
 795                         case 1:
 796                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 797                                 break;
 798                         case 3:
 799                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 800                                 break;
 801                         default:
 802                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 803                                 break;
 804                         }
 805                 }
 806         }
 807         /* TODO: need to judge the phy parameters on concurrent mode for single phy */
 808         set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 809
 810         DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
 811
 812         /*  */
 813         pmlmeext->cur_channel = cur_channel;
 814         pmlmeext->cur_bwmode = cur_bwmode;
 815         pmlmeext->cur_ch_offset = cur_ch_offset;
 816         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 817
 818         /* update cur_wireless_mode */
 819         update_wireless_mode(padapter);
 820
 821         /* update capability after cur_wireless_mode updated */
 822         update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
 823
 824         /* let pnetwork_mlmeext == pnetwork_mlme. */
 825         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 826
 827         if (pmlmeext->bstart_bss) {
 828                 update_beacon(padapter, _TIM_IE_, NULL, false);
 829
 830                 /* issue beacon frame */
 831                 if (send_beacon(padapter) == _FAIL)
 832                         DBG_88E("issue_beacon, fail!\n");
 833         }
 834
 835         /* update bc/mc sta_info */
 836         update_bmc_sta(padapter);
 837 }
 838
 839 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 840 {
 841         int ret = _SUCCESS;
 842         u8 *p;
 843         u8 *pHT_caps_ie = NULL;
 844         u8 *pHT_info_ie = NULL;
 845         struct sta_info *psta = NULL;
 846         u16 cap, ht_cap = false;
 847         uint ie_len = 0;
 848         int group_cipher, pairwise_cipher;
 849         u8      channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 850         int supportRateNum = 0;
 851         u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
 852         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 853         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 854         struct security_priv *psecuritypriv = &padapter->securitypriv;
 855         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 856         struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 857         u8 *ie = pbss_network->IEs;
 858
 859         /* SSID */
 860         /* Supported rates */
 861         /* DS Params */
 862         /* WLAN_EID_COUNTRY */
 863         /* ERP Information element */
 864         /* Extended supported rates */
 865         /* WPA/WPA2 */
 866         /* Wi-Fi Wireless Multimedia Extensions */
 867         /* ht_capab, ht_oper */
 868         /* WPS IE */
 869
 870         DBG_88E("%s, len =%d\n", __func__, len);
 871
 872         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
 873                 return _FAIL;
 874
 875
 876         if (len > MAX_IE_SZ)
 877                 return _FAIL;
 878
 879         pbss_network->IELength = len;
 880
 881         memset(ie, 0, MAX_IE_SZ);
 882
 883         memcpy(ie, pbuf, pbss_network->IELength);
 884
 885
 886         if (pbss_network->InfrastructureMode != Ndis802_11APMode)
 887                 return _FAIL;
 888
 889         pbss_network->Rssi = 0;
 890
 891         ether_addr_copy(pbss_network->MacAddress, myid(&(padapter->eeprompriv)));
 892
 893         /* beacon interval */
 894         p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
 895         pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
 896
 897         /* capability */
 898         cap = get_unaligned_le16(ie);
 899
 900         /* SSID */
 901         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 902         if (p && ie_len > 0) {
 903                 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 904                 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
 905                 pbss_network->Ssid.SsidLength = ie_len;
 906         }
 907
 908         /* channel */
 909         channel = 0;
 910         pbss_network->Configuration.Length = 0;
 911         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 912         if (p && ie_len > 0)
 913                 channel = *(p + 2);
 914
 915         pbss_network->Configuration.DSConfig = channel;
 916
 917         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 918         /*  get supported rates */
 919         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 920         if (p !=  NULL) {
 921                 memcpy(supportRate, p+2, ie_len);
 922                 supportRateNum = ie_len;
 923         }
 924
 925         /* get ext_supported rates */
 926         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
 927         if (p !=  NULL) {
 928                 memcpy(supportRate+supportRateNum, p+2, ie_len);
 929                 supportRateNum += ie_len;
 930         }
 931
 932         network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
 933
 934         rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
 935
 936         /* parsing ERP_IE */
 937         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 938         if (p && ie_len > 0)
 939                 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
 940
 941         /* update privacy/security */
 942         if (cap & BIT(4))
 943                 pbss_network->Privacy = 1;
 944         else
 945                 pbss_network->Privacy = 0;
 946
 947         psecuritypriv->wpa_psk = 0;
 948
 949         /* wpa2 */
 950         group_cipher = 0;
 951         pairwise_cipher = 0;
 952         psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
 953         psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
 954         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
 955         if (p && ie_len > 0) {
 956                 if (rtw_parse_wpa2_ie(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
 957                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 958
 959                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 960                         psecuritypriv->wpa_psk |= BIT(1);
 961
 962                         psecuritypriv->wpa2_group_cipher = group_cipher;
 963                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 964                 }
 965         }
 966         /* wpa */
 967         ie_len = 0;
 968         group_cipher = 0;
 969         pairwise_cipher = 0;
 970         psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
 971         psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
 972         for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 973                 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
 974                                (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
 975                 if ((p) && (!memcmp(p+2, OUI1, 4))) {
 976                         if (rtw_parse_wpa_ie(p, ie_len+2, &group_cipher,
 977                                              &pairwise_cipher, NULL) == _SUCCESS) {
 978                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 979
 980                                 psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 981
 982                                 psecuritypriv->wpa_psk |= BIT(0);
 983
 984                                 psecuritypriv->wpa_group_cipher = group_cipher;
 985                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
 986                         }
 987                         break;
 988                 }
 989                 if ((p == NULL) || (ie_len == 0))
 990                         break;
 991         }
 992
 993         /* wmm */
 994         ie_len = 0;
 995         pmlmepriv->qospriv.qos_option = 0;
 996         if (pregistrypriv->wmm_enable) {
 997                 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 998                         p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
 999                                        (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
1000                         if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
1001                                 pmlmepriv->qospriv.qos_option = 1;
1002
1003                                 *(p+8) |= BIT(7);/* QoS Info, support U-APSD */
1004
1005                                 /* disable all ACM bits since the WMM admission control is not supported */
1006                                 *(p + 10) &= ~BIT(4); /* BE */
1007                                 *(p + 14) &= ~BIT(4); /* BK */
1008                                 *(p + 18) &= ~BIT(4); /* VI */
1009                                 *(p + 22) &= ~BIT(4); /* VO */
1010                                 break;
1011                         }
1012
1013                         if ((p == NULL) || (ie_len == 0))
1014                                 break;
1015                 }
1016         }
1017         /* parsing HT_CAP_IE */
1018         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
1019                        (pbss_network->IELength - _BEACON_IE_OFFSET_));
1020         if (p && ie_len > 0) {
1021                 u8 rf_type;
1022                 struct rtw_ieee80211_ht_cap *pht_cap = (struct rtw_ieee80211_ht_cap *)(p+2);
1023
1024                 pHT_caps_ie = p;
1025                 ht_cap = true;
1026                 network_type |= WIRELESS_11_24N;
1027
1028                 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1029
1030                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1031                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
1032                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
1033                 else
1034                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
1035
1036                 /* set  Max Rx AMPDU size  to 64K */
1037                 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
1038
1039                 if (rf_type == RF_1T1R) {
1040                         pht_cap->supp_mcs_set[0] = 0xff;
1041                         pht_cap->supp_mcs_set[1] = 0x0;
1042                 }
1043                 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1044         }
1045
1046         /* parsing HT_INFO_IE */
1047         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
1048                        (pbss_network->IELength - _BEACON_IE_OFFSET_));
1049         if (p && ie_len > 0)
1050                 pHT_info_ie = p;
1051         switch (network_type) {
1052         case WIRELESS_11B:
1053                 pbss_network->NetworkTypeInUse = Ndis802_11DS;
1054                 break;
1055         case WIRELESS_11G:
1056         case WIRELESS_11BG:
1057         case WIRELESS_11G_24N:
1058         case WIRELESS_11BG_24N:
1059                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1060                 break;
1061         case WIRELESS_11A:
1062                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
1063                 break;
1064         default:
1065                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1066                 break;
1067         }
1068
1069         pmlmepriv->cur_network.network_type = network_type;
1070
1071         pmlmepriv->htpriv.ht_option = false;
1072
1073         if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1074             (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1075                 /* todo: */
1076                 /* ht_cap = false; */
1077         }
1078
1079         /* ht_cap */
1080         if (pregistrypriv->ht_enable && ht_cap) {
1081                 pmlmepriv->htpriv.ht_option = true;
1082                 pmlmepriv->qospriv.qos_option = 1;
1083
1084                 if (pregistrypriv->ampdu_enable == 1)
1085                         pmlmepriv->htpriv.ampdu_enable = true;
1086                 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
1087
1088                 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
1089         }
1090
1091         pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex  *)pbss_network);
1092
1093         /* issue beacon to start bss network */
1094         start_bss_network(padapter, (u8 *)pbss_network);
1095
1096         /* alloc sta_info for ap itself */
1097         psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1098         if (!psta) {
1099                 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1100                 if (psta == NULL)
1101                         return _FAIL;
1102         }
1103
1104         /* fix bug of flush_cam_entry at STOP AP mode */
1105         psta->state |= WIFI_AP_STATE;
1106         rtw_indicate_connect(padapter);
1107         pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1108         return ret;
1109 }
1110
1111 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1112 {
1113         struct sta_priv *pstapriv = &padapter->stapriv;
1114         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1115
1116         DBG_88E("%s, mode =%d\n", __func__, mode);
1117
1118         pacl_list->mode = mode;
1119 }
1120
1121 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1122 {
1123         struct list_head *plist, *phead;
1124         u8 added = false;
1125         int i, ret = 0;
1126         struct rtw_wlan_acl_node *paclnode;
1127         struct sta_priv *pstapriv = &padapter->stapriv;
1128         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1129         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1130
1131         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1132
1133         if ((NUM_ACL-1) < pacl_list->num)
1134                 return -1;
1135
1136         spin_lock_bh(&(pacl_node_q->lock));
1137
1138         phead = get_list_head(pacl_node_q);
1139         plist = phead->next;
1140
1141         while (phead != plist) {
1142                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1143                 plist = plist->next;
1144
1145                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1146                         if (paclnode->valid) {
1147                                 added = true;
1148                                 DBG_88E("%s, sta has been added\n", __func__);
1149                                 break;
1150                         }
1151                 }
1152         }
1153
1154         spin_unlock_bh(&(pacl_node_q->lock));
1155
1156         if (added)
1157                 return ret;
1158
1159         spin_lock_bh(&(pacl_node_q->lock));
1160
1161         for (i = 0; i < NUM_ACL; i++) {
1162                 paclnode = &pacl_list->aclnode[i];
1163
1164                 if (!paclnode->valid) {
1165                         INIT_LIST_HEAD(&paclnode->list);
1166
1167                         ether_addr_copy(paclnode->addr, addr);
1168
1169                         paclnode->valid = true;
1170
1171                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1172
1173                         pacl_list->num++;
1174
1175                         break;
1176                 }
1177         }
1178
1179         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1180
1181         spin_unlock_bh(&(pacl_node_q->lock));
1182
1183         return ret;
1184 }
1185
1186 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1187 {
1188         struct list_head *plist, *phead;
1189         struct rtw_wlan_acl_node *paclnode;
1190         struct sta_priv *pstapriv = &padapter->stapriv;
1191         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1192         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1193
1194         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1195
1196         spin_lock_bh(&(pacl_node_q->lock));
1197
1198         phead = get_list_head(pacl_node_q);
1199         plist = phead->next;
1200
1201         while (phead != plist) {
1202                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1203                 plist = plist->next;
1204
1205                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1206                         if (paclnode->valid) {
1207                                 paclnode->valid = false;
1208
1209                                 list_del_init(&paclnode->list);
1210
1211                                 pacl_list->num--;
1212                         }
1213                 }
1214         }
1215
1216         spin_unlock_bh(&(pacl_node_q->lock));
1217
1218         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1219         return 0;
1220 }
1221
1222 static void update_bcn_fixed_ie(struct adapter *padapter)
1223 {
1224         DBG_88E("%s\n", __func__);
1225 }
1226
1227 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1228 {
1229         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1230         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1231         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1232         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1233         unsigned char *p, *ie = pnetwork->IEs;
1234         u32 len = 0;
1235
1236         DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1237
1238         if (!pmlmeinfo->ERP_enable)
1239                 return;
1240
1241         /* parsing ERP_IE */
1242         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1243                        (pnetwork->IELength - _BEACON_IE_OFFSET_));
1244         if (p && len > 0) {
1245                 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1246
1247                 if (pmlmepriv->num_sta_non_erp == 1)
1248                         pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
1249                 else
1250                         pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
1251
1252                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1253                         pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1254                 else
1255                         pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1256
1257                 ERP_IE_handler(padapter, pIE);
1258         }
1259 }
1260
1261 static void update_bcn_htcap_ie(struct adapter *padapter)
1262 {
1263         DBG_88E("%s\n", __func__);
1264 }
1265
1266 static void update_bcn_htinfo_ie(struct adapter *padapter)
1267 {
1268         DBG_88E("%s\n", __func__);
1269 }
1270
1271 static void update_bcn_rsn_ie(struct adapter *padapter)
1272 {
1273         DBG_88E("%s\n", __func__);
1274 }
1275
1276 static void update_bcn_wpa_ie(struct adapter *padapter)
1277 {
1278         DBG_88E("%s\n", __func__);
1279 }
1280
1281 static void update_bcn_wmm_ie(struct adapter *padapter)
1282 {
1283         DBG_88E("%s\n", __func__);
1284 }
1285
1286 static void update_bcn_wps_ie(struct adapter *padapter)
1287 {
1288         u8 *pwps_ie = NULL, *pwps_ie_src;
1289         u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1290         uint wps_ielen = 0, wps_offset, remainder_ielen;
1291         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1292         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1293         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1294         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1295         unsigned char *ie = pnetwork->IEs;
1296         u32 ielen = pnetwork->IELength;
1297
1298         DBG_88E("%s\n", __func__);
1299
1300         pwps_ie_src = pmlmepriv->wps_beacon_ie;
1301         if (pwps_ie_src == NULL)
1302                 return;
1303
1304         pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1305
1306         if (pwps_ie == NULL || wps_ielen == 0)
1307                 return;
1308
1309         wps_offset = (uint)(pwps_ie-ie);
1310
1311         premainder_ie = pwps_ie + wps_ielen;
1312
1313         remainder_ielen = ielen - wps_offset - wps_ielen;
1314
1315         if (remainder_ielen > 0) {
1316                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1317                 if (pbackup_remainder_ie)
1318                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1319         }
1320
1321         wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1322         if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
1323                 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1324                 pwps_ie += (wps_ielen+2);
1325
1326                 if (pbackup_remainder_ie)
1327                         memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1328
1329                 /* update IELength */
1330                 pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
1331         }
1332
1333         kfree(pbackup_remainder_ie);
1334 }
1335
1336 static void update_bcn_p2p_ie(struct adapter *padapter)
1337 {
1338 }
1339
1340 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1341 {
1342         DBG_88E("%s\n", __func__);
1343
1344         if (!memcmp(RTW_WPA_OUI, oui, 4))
1345                 update_bcn_wpa_ie(padapter);
1346         else if (!memcmp(WMM_OUI, oui, 4))
1347                 update_bcn_wmm_ie(padapter);
1348         else if (!memcmp(WPS_OUI, oui, 4))
1349                 update_bcn_wps_ie(padapter);
1350         else if (!memcmp(P2P_OUI, oui, 4))
1351                 update_bcn_p2p_ie(padapter);
1352         else
1353                 DBG_88E("unknown OUI type!\n");
1354 }
1355
1356 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1357 {
1358         struct mlme_priv *pmlmepriv;
1359         struct mlme_ext_priv    *pmlmeext;
1360
1361         if (!padapter)
1362                 return;
1363
1364         pmlmepriv = &(padapter->mlmepriv);
1365         pmlmeext = &(padapter->mlmeextpriv);
1366
1367         if (!pmlmeext->bstart_bss)
1368                 return;
1369
1370         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1371
1372         switch (ie_id) {
1373         case 0xFF:
1374                 update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1375                 break;
1376         case _TIM_IE_:
1377                 update_BCNTIM(padapter);
1378                 break;
1379         case _ERPINFO_IE_:
1380                 update_bcn_erpinfo_ie(padapter);
1381                 break;
1382         case _HT_CAPABILITY_IE_:
1383                 update_bcn_htcap_ie(padapter);
1384                 break;
1385         case _RSN_IE_2_:
1386                 update_bcn_rsn_ie(padapter);
1387                 break;
1388         case _HT_ADD_INFO_IE_:
1389                 update_bcn_htinfo_ie(padapter);
1390                 break;
1391         case _VENDOR_SPECIFIC_IE_:
1392                 update_bcn_vendor_spec_ie(padapter, oui);
1393                 break;
1394         default:
1395                 break;
1396         }
1397
1398         pmlmepriv->update_bcn = true;
1399
1400         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1401
1402         if (tx)
1403                 set_tx_beacon_cmd(padapter);
1404 }
1405
1406 /*
1407 op_mode
1408 Set to 0 (HT pure) under the following conditions
1409         - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1410         - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1411 Set to 1 (HT non-member protection) if there may be non-HT STAs
1412         in both the primary and the secondary channel
1413 Set to 2 if only HT STAs are associated in BSS,
1414         however and at least one 20 MHz HT STA is associated
1415 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1416         (currently non-GF HT station is considered as non-HT STA also)
1417 */
1418 static int rtw_ht_operation_update(struct adapter *padapter)
1419 {
1420         u16 cur_op_mode, new_op_mode;
1421         int op_mode_changes = 0;
1422         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1423         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
1424
1425         if (pmlmepriv->htpriv.ht_option)
1426                 return 0;
1427
1428         DBG_88E("%s current operation mode = 0x%X\n",
1429                 __func__, pmlmepriv->ht_op_mode);
1430
1431         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1432             pmlmepriv->num_sta_ht_no_gf) {
1433                 pmlmepriv->ht_op_mode |=
1434                         HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1435                 op_mode_changes++;
1436         } else if ((pmlmepriv->ht_op_mode &
1437                    HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1438                    pmlmepriv->num_sta_ht_no_gf == 0) {
1439                 pmlmepriv->ht_op_mode &=
1440                         ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1441                 op_mode_changes++;
1442         }
1443
1444         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1445             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1446                 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1447                 op_mode_changes++;
1448         } else if ((pmlmepriv->ht_op_mode &
1449                     HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1450                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1451                 pmlmepriv->ht_op_mode &=
1452                         ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1453                 op_mode_changes++;
1454         }
1455
1456         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1457          * station is associated. Probably it's a theoretical case, since
1458          * it looks like all known HT STAs support greenfield.
1459          */
1460         new_op_mode = 0;
1461         if (pmlmepriv->num_sta_no_ht ||
1462             (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1463                 new_op_mode = OP_MODE_MIXED;
1464         else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH) &&
1465                  pmlmepriv->num_sta_ht_20mhz)
1466                 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1467         else if (pmlmepriv->olbc_ht)
1468                 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1469         else
1470                 new_op_mode = OP_MODE_PURE;
1471
1472         cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1473         if (cur_op_mode != new_op_mode) {
1474                 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1475                 pmlmepriv->ht_op_mode |= new_op_mode;
1476                 op_mode_changes++;
1477         }
1478
1479         DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1480                 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1481
1482         return op_mode_changes;
1483 }
1484
1485 void associated_clients_update(struct adapter *padapter, u8 updated)
1486 {
1487         /* update associated stations cap. */
1488         if (updated) {
1489                 struct list_head *phead, *plist;
1490                 struct sta_info *psta = NULL;
1491                 struct sta_priv *pstapriv = &padapter->stapriv;
1492
1493                 spin_lock_bh(&pstapriv->asoc_list_lock);
1494
1495                 phead = &pstapriv->asoc_list;
1496                 plist = phead->next;
1497
1498                 /* check asoc_queue */
1499                 while (phead != plist) {
1500                         psta = container_of(plist, struct sta_info, asoc_list);
1501
1502                         plist = plist->next;
1503
1504                         VCS_update(padapter, psta);
1505                 }
1506                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1507         }
1508 }
1509
1510 /* called > TSR LEVEL for USB or SDIO Interface*/
1511 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1512 {
1513         u8 beacon_updated = false;
1514         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1515         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1516
1517         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1518                 if (!psta->no_short_preamble_set) {
1519                         psta->no_short_preamble_set = 1;
1520
1521                         pmlmepriv->num_sta_no_short_preamble++;
1522
1523                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1524                             (pmlmepriv->num_sta_no_short_preamble == 1)) {
1525                                 beacon_updated = true;
1526                                 update_beacon(padapter, 0xFF, NULL, true);
1527                         }
1528                 }
1529         } else {
1530                 if (psta->no_short_preamble_set) {
1531                         psta->no_short_preamble_set = 0;
1532
1533                         pmlmepriv->num_sta_no_short_preamble--;
1534
1535                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1536                             (pmlmepriv->num_sta_no_short_preamble == 0)) {
1537                                 beacon_updated = true;
1538                                 update_beacon(padapter, 0xFF, NULL, true);
1539                         }
1540                 }
1541         }
1542
1543         if (psta->flags & WLAN_STA_NONERP) {
1544                 if (!psta->nonerp_set) {
1545                         psta->nonerp_set = 1;
1546
1547                         pmlmepriv->num_sta_non_erp++;
1548
1549                         if (pmlmepriv->num_sta_non_erp == 1) {
1550                                 beacon_updated = true;
1551                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1552                         }
1553                 }
1554         } else {
1555                 if (psta->nonerp_set) {
1556                         psta->nonerp_set = 0;
1557
1558                         pmlmepriv->num_sta_non_erp--;
1559
1560                         if (pmlmepriv->num_sta_non_erp == 0) {
1561                                 beacon_updated = true;
1562                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1563                         }
1564                 }
1565         }
1566
1567         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT)) {
1568                 if (!psta->no_short_slot_time_set) {
1569                         psta->no_short_slot_time_set = 1;
1570
1571                         pmlmepriv->num_sta_no_short_slot_time++;
1572
1573                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1574                             (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1575                                 beacon_updated = true;
1576                                 update_beacon(padapter, 0xFF, NULL, true);
1577                         }
1578                 }
1579         } else {
1580                 if (psta->no_short_slot_time_set) {
1581                         psta->no_short_slot_time_set = 0;
1582
1583                         pmlmepriv->num_sta_no_short_slot_time--;
1584
1585                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1586                             (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1587                                 beacon_updated = true;
1588                                 update_beacon(padapter, 0xFF, NULL, true);
1589                         }
1590                 }
1591         }
1592
1593         if (psta->flags & WLAN_STA_HT) {
1594                 u16 ht_capab = psta->htpriv.ht_cap.cap_info;
1595
1596                 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1597                         (psta->hwaddr), ht_capab);
1598
1599                 if (psta->no_ht_set) {
1600                         psta->no_ht_set = 0;
1601                         pmlmepriv->num_sta_no_ht--;
1602                 }
1603
1604                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1605                         if (!psta->no_ht_gf_set) {
1606                                 psta->no_ht_gf_set = 1;
1607                                 pmlmepriv->num_sta_ht_no_gf++;
1608                         }
1609                         DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1610                                    __func__, (psta->hwaddr),
1611                                    pmlmepriv->num_sta_ht_no_gf);
1612                 }
1613
1614                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1615                         if (!psta->ht_20mhz_set) {
1616                                 psta->ht_20mhz_set = 1;
1617                                 pmlmepriv->num_sta_ht_20mhz++;
1618                         }
1619                         DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1620                                    __func__, (psta->hwaddr),
1621                                    pmlmepriv->num_sta_ht_20mhz);
1622                 }
1623         } else {
1624                 if (!psta->no_ht_set) {
1625                         psta->no_ht_set = 1;
1626                         pmlmepriv->num_sta_no_ht++;
1627                 }
1628                 if (pmlmepriv->htpriv.ht_option) {
1629                         DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1630                                 __func__, (psta->hwaddr),
1631                                 pmlmepriv->num_sta_no_ht);
1632                 }
1633         }
1634
1635         if (rtw_ht_operation_update(padapter) > 0) {
1636                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1637                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1638         }
1639
1640         /* update associated stations cap. */
1641         associated_clients_update(padapter,  beacon_updated);
1642
1643         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1644 }
1645
1646 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1647 {
1648         u8 beacon_updated = false;
1649         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1650         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1651
1652         if (!psta)
1653                 return beacon_updated;
1654
1655         if (psta->no_short_preamble_set) {
1656                 psta->no_short_preamble_set = 0;
1657                 pmlmepriv->num_sta_no_short_preamble--;
1658                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1659                     pmlmepriv->num_sta_no_short_preamble == 0) {
1660                         beacon_updated = true;
1661                         update_beacon(padapter, 0xFF, NULL, true);
1662                 }
1663         }
1664
1665         if (psta->nonerp_set) {
1666                 psta->nonerp_set = 0;
1667                 pmlmepriv->num_sta_non_erp--;
1668                 if (pmlmepriv->num_sta_non_erp == 0) {
1669                         beacon_updated = true;
1670                         update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1671                 }
1672         }
1673
1674         if (psta->no_short_slot_time_set) {
1675                 psta->no_short_slot_time_set = 0;
1676                 pmlmepriv->num_sta_no_short_slot_time--;
1677                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1678                     pmlmepriv->num_sta_no_short_slot_time == 0) {
1679                         beacon_updated = true;
1680                         update_beacon(padapter, 0xFF, NULL, true);
1681                 }
1682         }
1683
1684         if (psta->no_ht_gf_set) {
1685                 psta->no_ht_gf_set = 0;
1686                 pmlmepriv->num_sta_ht_no_gf--;
1687         }
1688
1689         if (psta->no_ht_set) {
1690                 psta->no_ht_set = 0;
1691                 pmlmepriv->num_sta_no_ht--;
1692         }
1693
1694         if (psta->ht_20mhz_set) {
1695                 psta->ht_20mhz_set = 0;
1696                 pmlmepriv->num_sta_ht_20mhz--;
1697         }
1698
1699         if (rtw_ht_operation_update(padapter) > 0) {
1700                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1701                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1702         }
1703
1704         /* update associated stations cap. */
1705
1706         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1707
1708         return beacon_updated;
1709 }
1710
1711 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1712                bool active, u16 reason)
1713 {
1714         u8 beacon_updated = false;
1715         struct sta_priv *pstapriv = &padapter->stapriv;
1716
1717         if (!psta)
1718                 return beacon_updated;
1719
1720         /* tear down Rx AMPDU */
1721         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
1722
1723         /* tear down TX AMPDU */
1724         send_delba(padapter, 1, psta->hwaddr);/*  originator */
1725         psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1726         psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1727
1728         if (active)
1729                 issue_deauth(padapter, psta->hwaddr, reason);
1730
1731         /* clear cam entry / key */
1732         rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1733
1734
1735         spin_lock_bh(&psta->lock);
1736         psta->state &= ~_FW_LINKED;
1737         spin_unlock_bh(&psta->lock);
1738
1739         rtw_indicate_sta_disassoc_event(padapter, psta);
1740
1741         report_del_sta_event(padapter, psta->hwaddr, reason);
1742
1743         beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1744
1745         spin_lock_bh(&(pstapriv->sta_hash_lock));
1746         rtw_free_stainfo(padapter, psta);
1747         spin_unlock_bh(&(pstapriv->sta_hash_lock));
1748
1749         return beacon_updated;
1750 }
1751
1752 int rtw_ap_inform_ch_switch(struct adapter *padapter, u8 new_ch, u8 ch_offset)
1753 {
1754         struct list_head *phead, *plist;
1755         struct sta_info *psta = NULL;
1756         struct sta_priv *pstapriv = &padapter->stapriv;
1757         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1758         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1759         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1760
1761         if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1762                 return 0;
1763
1764         DBG_88E(FUNC_NDEV_FMT" with ch:%u, offset:%u\n",
1765                 FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset);
1766
1767         spin_lock_bh(&pstapriv->asoc_list_lock);
1768         phead = &pstapriv->asoc_list;
1769         plist = phead->next;
1770
1771         /* for each sta in asoc_queue */
1772         while (phead != plist) {
1773                 psta = container_of(plist, struct sta_info, asoc_list);
1774                 plist = plist->next;
1775
1776                 issue_action_spct_ch_switch(padapter, psta->hwaddr, new_ch, ch_offset);
1777                 psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
1778         }
1779         spin_unlock_bh(&pstapriv->asoc_list_lock);
1780
1781         issue_action_spct_ch_switch(padapter, bc_addr, new_ch, ch_offset);
1782
1783         return 0;
1784 }
1785
1786 int rtw_sta_flush(struct adapter *padapter)
1787 {
1788         struct list_head *phead, *plist;
1789         struct sta_info *psta = NULL;
1790         struct sta_priv *pstapriv = &padapter->stapriv;
1791         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1792         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1793         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1794
1795         DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1796
1797         if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1798                 return 0;
1799
1800         spin_lock_bh(&pstapriv->asoc_list_lock);
1801         phead = &pstapriv->asoc_list;
1802         plist = phead->next;
1803
1804         /* free sta asoc_queue */
1805         while (phead != plist) {
1806                 psta = container_of(plist, struct sta_info, asoc_list);
1807
1808                 plist = plist->next;
1809
1810                 list_del_init(&psta->asoc_list);
1811                 pstapriv->asoc_list_cnt--;
1812
1813                 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1814         }
1815         spin_unlock_bh(&pstapriv->asoc_list_lock);
1816
1817
1818         issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1819
1820         associated_clients_update(padapter, true);
1821
1822         return 0;
1823 }
1824
1825 /* called > TSR LEVEL for USB or SDIO Interface*/
1826 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1827 {
1828         int flags = psta->flags;
1829         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1830
1831         /* update wmm cap. */
1832         if (WLAN_STA_WME&flags)
1833                 psta->qos_option = 1;
1834         else
1835                 psta->qos_option = 0;
1836
1837         if (pmlmepriv->qospriv.qos_option == 0)
1838                 psta->qos_option = 0;
1839
1840         /* update 802.11n ht cap. */
1841         if (WLAN_STA_HT&flags) {
1842                 psta->htpriv.ht_option = true;
1843                 psta->qos_option = 1;
1844         } else {
1845                 psta->htpriv.ht_option = false;
1846         }
1847
1848         if (!pmlmepriv->htpriv.ht_option)
1849                 psta->htpriv.ht_option = false;
1850
1851         update_sta_info_apmode(padapter, psta);
1852 }
1853
1854 /* called >= TSR LEVEL for USB or SDIO Interface*/
1855 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1856 {
1857         if (psta->state & _FW_LINKED) {
1858                 /* add ratid */
1859                 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1860         }
1861 }
1862
1863 void start_ap_mode(struct adapter *padapter)
1864 {
1865         int i;
1866         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1867         struct sta_priv *pstapriv = &padapter->stapriv;
1868         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1869         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1870
1871         pmlmepriv->update_bcn = false;
1872
1873         pmlmeext->bstart_bss = false;
1874
1875         pmlmepriv->num_sta_non_erp = 0;
1876
1877         pmlmepriv->num_sta_no_short_slot_time = 0;
1878
1879         pmlmepriv->num_sta_no_short_preamble = 0;
1880
1881         pmlmepriv->num_sta_ht_no_gf = 0;
1882         pmlmepriv->num_sta_no_ht = 0;
1883         pmlmepriv->num_sta_ht_20mhz = 0;
1884
1885         pmlmepriv->olbc = false;
1886
1887         pmlmepriv->olbc_ht = false;
1888
1889         pmlmepriv->ht_op_mode = 0;
1890
1891         for (i = 0; i < NUM_STA; i++)
1892                 pstapriv->sta_aid[i] = NULL;
1893
1894         pmlmepriv->wps_beacon_ie = NULL;
1895         pmlmepriv->wps_probe_resp_ie = NULL;
1896         pmlmepriv->wps_assoc_resp_ie = NULL;
1897
1898         pmlmepriv->p2p_beacon_ie = NULL;
1899         pmlmepriv->p2p_probe_resp_ie = NULL;
1900
1901         /* for ACL */
1902         INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
1903         pacl_list->num = 0;
1904         pacl_list->mode = 0;
1905         for (i = 0; i < NUM_ACL; i++) {
1906                 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1907                 pacl_list->aclnode[i].valid = false;
1908         }
1909 }
1910
1911 void stop_ap_mode(struct adapter *padapter)
1912 {
1913         struct list_head *phead, *plist;
1914         struct rtw_wlan_acl_node *paclnode;
1915         struct sta_info *psta = NULL;
1916         struct sta_priv *pstapriv = &padapter->stapriv;
1917         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1918         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1919         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1920         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1921
1922         pmlmepriv->update_bcn = false;
1923         pmlmeext->bstart_bss = false;
1924
1925         /* reset and init security priv , this can refine with rtw_reset_securitypriv */
1926         memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1927         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1928         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1929
1930         /* for ACL */
1931         spin_lock_bh(&(pacl_node_q->lock));
1932         phead = get_list_head(pacl_node_q);
1933         plist = phead->next;
1934         while (phead != plist) {
1935                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1936                 plist = plist->next;
1937
1938                 if (paclnode->valid) {
1939                         paclnode->valid = false;
1940
1941                         list_del_init(&paclnode->list);
1942
1943                         pacl_list->num--;
1944                 }
1945         }
1946         spin_unlock_bh(&(pacl_node_q->lock));
1947
1948         DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1949
1950         rtw_sta_flush(padapter);
1951
1952         /* free_assoc_sta_resources */
1953         rtw_free_all_stainfo(padapter);
1954
1955         psta = rtw_get_bcmc_stainfo(padapter);
1956         spin_lock_bh(&(pstapriv->sta_hash_lock));
1957         rtw_free_stainfo(padapter, psta);
1958         spin_unlock_bh(&(pstapriv->sta_hash_lock));
1959
1960         rtw_init_bcmc_stainfo(padapter);
1961
1962         rtw_free_mlme_priv_ie_data(pmlmepriv);
1963 }
1964
1965 #endif /* CONFIG_88EU_AP_MODE */