drivers/staging/rtl8188eu/core/rtw_ap.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #define _RTW_AP_C_
   8
   9 #include <linux/ieee80211.h>
  10
  11 #include <osdep_service.h>
  12 #include <drv_types.h>
  13 #include <wifi.h>
  14 #include <ieee80211.h>
  15 #include <asm/unaligned.h>
  16
  17 #ifdef CONFIG_88EU_AP_MODE
  18
  19 void init_mlme_ap_info(struct adapter *padapter)
  20 {
  21         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  22         struct sta_priv *pstapriv = &padapter->stapriv;
  23         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
  24
  25         spin_lock_init(&pmlmepriv->bcn_update_lock);
  26
  27         /* for ACL */
  28         _rtw_init_queue(&pacl_list->acl_node_q);
  29
  30         start_ap_mode(padapter);
  31 }
  32
  33 void free_mlme_ap_info(struct adapter *padapter)
  34 {
  35         struct sta_info *psta = NULL;
  36         struct sta_priv *pstapriv = &padapter->stapriv;
  37         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  38         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  39         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
  40
  41         pmlmepriv->update_bcn = false;
  42         pmlmeext->bstart_bss = false;
  43
  44         rtw_sta_flush(padapter);
  45
  46         pmlmeinfo->state = _HW_STATE_NOLINK_;
  47
  48         /* free_assoc_sta_resources */
  49         rtw_free_all_stainfo(padapter);
  50
  51         /* free bc/mc sta_info */
  52         psta = rtw_get_bcmc_stainfo(padapter);
  53         spin_lock_bh(&pstapriv->sta_hash_lock);
  54         rtw_free_stainfo(padapter, psta);
  55         spin_unlock_bh(&pstapriv->sta_hash_lock);
  56 }
  57
  58 static void update_BCNTIM(struct adapter *padapter)
  59 {
  60         struct sta_priv *pstapriv = &padapter->stapriv;
  61         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  62         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  63         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
  64         unsigned char *pie = pnetwork_mlmeext->ies;
  65         u8 *p, *dst_ie, *premainder_ie = NULL;
  66         u8 *pbackup_remainder_ie = NULL;
  67         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  68
  69         /* update TIM IE */
  70         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
  71                         pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_);
  72         if (p && tim_ielen > 0) {
  73                 tim_ielen += 2;
  74                 premainder_ie = p + tim_ielen;
  75                 tim_ie_offset = (int)(p - pie);
  76                 remainder_ielen = pnetwork_mlmeext->ie_length -
  77                                         tim_ie_offset - tim_ielen;
  78                 /* append TIM IE from dst_ie offset */
  79                 dst_ie = p;
  80         } else {
  81                 tim_ielen = 0;
  82
  83                 /* calculate head_len */
  84                 offset = _FIXED_IE_LENGTH_;
  85                 offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
  86
  87                 /*  get supported rates len */
  88                 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
  89                                &tmp_len, (pnetwork_mlmeext->ie_length -
  90                                           _BEACON_IE_OFFSET_));
  91                 if (p)
  92                         offset += tmp_len+2;
  93
  94                 /* DS Parameter Set IE, len = 3 */
  95                 offset += 3;
  96
  97                 premainder_ie = pie + offset;
  98
  99                 remainder_ielen = pnetwork_mlmeext->ie_length -
 100                                         offset - tim_ielen;
 101
 102                 /* append TIM IE from offset */
 103                 dst_ie = pie + offset;
 104         }
 105
 106         if (remainder_ielen > 0) {
 107                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
 108                 if (pbackup_remainder_ie && premainder_ie)
 109                         memcpy(pbackup_remainder_ie, premainder_ie,
 110                                remainder_ielen);
 111         }
 112         *dst_ie++ = _TIM_IE_;
 113
 114         if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
 115                 tim_ielen = 5;
 116         else
 117                 tim_ielen = 4;
 118
 119         *dst_ie++ = tim_ielen;
 120
 121         *dst_ie++ = 0;/* DTIM count */
 122         *dst_ie++ = 1;/* DTIM period */
 123
 124         if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
 125                 *dst_ie++ = BIT(0);/* bitmap ctrl */
 126         else
 127                 *dst_ie++ = 0;
 128
 129         if (tim_ielen == 4) {
 130                 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
 131         } else if (tim_ielen == 5) {
 132                 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
 133                 dst_ie += 2;
 134         }
 135
 136         /* copy remainder IE */
 137         if (pbackup_remainder_ie) {
 138                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 139
 140                 kfree(pbackup_remainder_ie);
 141         }
 142         offset =  (uint)(dst_ie - pie);
 143         pnetwork_mlmeext->ie_length = offset + remainder_ielen;
 144
 145         set_tx_beacon_cmd(padapter);
 146 }
 147
 148 static u8 chk_sta_is_alive(struct sta_info *psta)
 149 {
 150         u8 ret = false;
 151
 152         if ((psta->sta_stats.last_rx_data_pkts +
 153                         psta->sta_stats.last_rx_ctrl_pkts) ==
 154                         (psta->sta_stats.rx_data_pkts +
 155                         psta->sta_stats.rx_ctrl_pkts))
 156                 ;
 157         else
 158                 ret = true;
 159
 160         sta_update_last_rx_pkts(psta);
 161
 162         return ret;
 163 }
 164
 165 void    expire_timeout_chk(struct adapter *padapter)
 166 {
 167         struct list_head *phead, *plist;
 168         u8 updated = 0;
 169         struct sta_info *psta = NULL;
 170         struct sta_priv *pstapriv = &padapter->stapriv;
 171         u8 chk_alive_num = 0;
 172         char chk_alive_list[NUM_STA];
 173         int i;
 174
 175         spin_lock_bh(&pstapriv->auth_list_lock);
 176
 177         phead = &pstapriv->auth_list;
 178         plist = phead->next;
 179
 180         /* check auth_queue */
 181         while (phead != plist) {
 182                 psta = container_of(plist, struct sta_info, auth_list);
 183                 plist = plist->next;
 184
 185                 if (psta->expire_to > 0) {
 186                         psta->expire_to--;
 187                         if (psta->expire_to == 0) {
 188                                 list_del_init(&psta->auth_list);
 189                                 pstapriv->auth_list_cnt--;
 190
 191                                 DBG_88E("auth expire %6ph\n",
 192                                         psta->hwaddr);
 193
 194                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 195
 196                                 spin_lock_bh(&pstapriv->sta_hash_lock);
 197                                 rtw_free_stainfo(padapter, psta);
 198                                 spin_unlock_bh(&pstapriv->sta_hash_lock);
 199
 200                                 spin_lock_bh(&pstapriv->auth_list_lock);
 201                         }
 202                 }
 203         }
 204         spin_unlock_bh(&pstapriv->auth_list_lock);
 205
 206         psta = NULL;
 207
 208         spin_lock_bh(&pstapriv->asoc_list_lock);
 209
 210         phead = &pstapriv->asoc_list;
 211         plist = phead->next;
 212
 213         /* check asoc_queue */
 214         while (phead != plist) {
 215                 psta = container_of(plist, struct sta_info, asoc_list);
 216                 plist = plist->next;
 217
 218                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 219                         psta->expire_to = pstapriv->expire_to;
 220                         psta->keep_alive_trycnt = 0;
 221                         psta->under_exist_checking = 0;
 222                 } else {
 223                         psta->expire_to--;
 224                 }
 225
 226                 if (psta->expire_to <= 0) {
 227                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 228
 229                         if (padapter->registrypriv.wifi_spec == 1) {
 230                                 psta->expire_to = pstapriv->expire_to;
 231                                 continue;
 232                         }
 233
 234                         if (psta->state & WIFI_SLEEP_STATE) {
 235                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 236                                         /* to check if alive by another methods
 237                                          * if station is at ps mode.
 238                                          */
 239                                         psta->expire_to = pstapriv->expire_to;
 240                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 241
 242                                         /* to update bcn with tim_bitmap
 243                                          * for this station
 244                                          */
 245                                         pstapriv->tim_bitmap |= BIT(psta->aid);
 246                                         update_beacon(padapter, _TIM_IE_, NULL,
 247                                                       false);
 248
 249                                         if (!pmlmeext->active_keep_alive_check)
 250                                                 continue;
 251                                 }
 252                         }
 253                         if (pmlmeext->active_keep_alive_check) {
 254                                 int stainfo_offset;
 255
 256                                 stainfo_offset =
 257                                         rtw_stainfo_offset(pstapriv, psta);
 258                                 if (stainfo_offset_valid(stainfo_offset))
 259                                         chk_alive_list[chk_alive_num++] =
 260                                                 stainfo_offset;
 261                                 continue;
 262                         }
 263
 264                         list_del_init(&psta->asoc_list);
 265                         pstapriv->asoc_list_cnt--;
 266
 267                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 268                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 269                 } else {
 270                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 271                         if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
 272                             padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
 273                                 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
 274                                         (psta->hwaddr), psta->sleepq_len,
 275                                         padapter->xmitpriv.free_xmitframe_cnt,
 276                                         pstapriv->asoc_list_cnt);
 277                                 wakeup_sta_to_xmit(padapter, psta);
 278                         }
 279                 }
 280         }
 281
 282         spin_unlock_bh(&pstapriv->asoc_list_lock);
 283
 284         if (chk_alive_num) {
 285                 u8 backup_oper_channel = 0;
 286                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 287                 /* switch to correct channel of current network  before issue keep-alive frames */
 288                 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
 289                         backup_oper_channel = rtw_get_oper_ch(padapter);
 290                         SelectChannel(padapter, pmlmeext->cur_channel);
 291                 }
 292
 293                 /* issue null data to check sta alive*/
 294                 for (i = 0; i < chk_alive_num; i++) {
 295                         int ret = _FAIL;
 296
 297                         psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
 298
 299                         if (psta->state & WIFI_SLEEP_STATE)
 300                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
 301                         else
 302                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
 303
 304                         psta->keep_alive_trycnt++;
 305                         if (ret == _SUCCESS) {
 306                                 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
 307                                 psta->expire_to = pstapriv->expire_to;
 308                                 psta->keep_alive_trycnt = 0;
 309                                 continue;
 310                         } else if (psta->keep_alive_trycnt <= 3) {
 311                                 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 312                                 psta->expire_to = 1;
 313                                 continue;
 314                         }
 315
 316                         psta->keep_alive_trycnt = 0;
 317
 318                         DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
 319                         spin_lock_bh(&pstapriv->asoc_list_lock);
 320                         list_del_init(&psta->asoc_list);
 321                         pstapriv->asoc_list_cnt--;
 322                         updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
 323                         spin_unlock_bh(&pstapriv->asoc_list_lock);
 324                 }
 325
 326                 if (backup_oper_channel > 0) /* back to the original operation channel */
 327                         SelectChannel(padapter, backup_oper_channel);
 328         }
 329
 330         associated_clients_update(padapter, updated);
 331 }
 332
 333 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
 334 {
 335         int i;
 336         u32 init_rate = 0;
 337         unsigned char sta_band = 0, raid, shortGIrate = false;
 338         unsigned int tx_ra_bitmap = 0;
 339         struct ht_priv  *psta_ht = NULL;
 340         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 341         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 342
 343         if (psta)
 344                 psta_ht = &psta->htpriv;
 345         else
 346                 return;
 347
 348         if (!(psta->state & _FW_LINKED))
 349                 return;
 350
 351         /* b/g mode ra_bitmap */
 352         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 353                 if (psta->bssrateset[i])
 354                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 355         }
 356         /* n mode ra_bitmap */
 357         if (psta_ht->ht_option) {
 358                 for (i = 0; i < 8; i++)
 359                         if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i))
 360                                 tx_ra_bitmap |= BIT(i + 12);
 361
 362                 /* max short GI rate */
 363                 shortGIrate = psta_ht->sgi;
 364         }
 365
 366         if (pcur_network->Configuration.DSConfig > 14) {
 367                 /*  5G band */
 368                 if (tx_ra_bitmap & 0xffff000)
 369                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 370                 else
 371                         sta_band |= WIRELESS_11A;
 372         } else {
 373                 if (tx_ra_bitmap & 0xffff000)
 374                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 375                 else if (tx_ra_bitmap & 0xff0)
 376                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 377                 else
 378                         sta_band |= WIRELESS_11B;
 379         }
 380
 381         psta->wireless_mode = sta_band;
 382
 383         raid = networktype_to_raid(sta_band);
 384         init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 385
 386         if (psta->aid < NUM_STA) {
 387                 u8 arg = 0;
 388
 389                 arg = psta->mac_id & 0x1f;
 390
 391                 arg |= BIT(7);/* support entry 2~31 */
 392
 393                 if (shortGIrate)
 394                         arg |= BIT(5);
 395
 396                 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 397
 398                 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
 399                         __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
 400
 401                 /* bitmap[0:27] = tx_rate_bitmap */
 402                 /* bitmap[28:31]= Rate Adaptive id */
 403                 /* arg[0:4] = macid */
 404                 /* arg[5] = Short GI */
 405                 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
 406
 407                 if (shortGIrate)
 408                         init_rate |= BIT(6);
 409
 410                 /* set ra_id, init_rate */
 411                 psta->raid = raid;
 412                 psta->init_rate = init_rate;
 413
 414         } else {
 415                 DBG_88E("station aid %d exceed the max number\n", psta->aid);
 416         }
 417 }
 418
 419 static void update_bmc_sta(struct adapter *padapter)
 420 {
 421         u32 init_rate = 0;
 422         unsigned char   network_type, raid;
 423         int i, supportRateNum = 0;
 424         unsigned int tx_ra_bitmap = 0;
 425         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 426         struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 427         struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
 428
 429         if (psta) {
 430                 psta->aid = 0;/* default set to 0 */
 431                 psta->mac_id = psta->aid + 1;
 432
 433                 psta->qos_option = 0;
 434                 psta->htpriv.ht_option = false;
 435
 436                 psta->ieee8021x_blocked = 0;
 437
 438                 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 439
 440                 /* prepare for add_RATid */
 441                 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
 442                 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
 443
 444                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 445                 psta->bssratelen = supportRateNum;
 446
 447                 /* b/g mode ra_bitmap */
 448                 for (i = 0; i < supportRateNum; i++) {
 449                         if (psta->bssrateset[i])
 450                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
 451                 }
 452
 453                 if (pcur_network->Configuration.DSConfig > 14) {
 454                         /* force to A mode. 5G doesn't support CCK rates */
 455                         network_type = WIRELESS_11A;
 456                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 457                 } else {
 458                         /* force to b mode */
 459                         network_type = WIRELESS_11B;
 460                         tx_ra_bitmap = 0xf;
 461                 }
 462
 463                 raid = networktype_to_raid(network_type);
 464                 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
 465
 466                 /* ap mode */
 467                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 468
 469                 {
 470                         u8 arg = 0;
 471
 472                         arg = psta->mac_id & 0x1f;
 473                         arg |= BIT(7);
 474                         tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
 475                         DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__, tx_ra_bitmap, arg);
 476
 477                         /* bitmap[0:27] = tx_rate_bitmap */
 478                         /* bitmap[28:31]= Rate Adaptive id */
 479                         /* arg[0:4] = macid */
 480                         /* arg[5] = Short GI */
 481                         rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
 482                 }
 483                 /* set ra_id, init_rate */
 484                 psta->raid = raid;
 485                 psta->init_rate = init_rate;
 486
 487                 rtw_stassoc_hw_rpt(padapter, psta);
 488
 489                 spin_lock_bh(&psta->lock);
 490                 psta->state = _FW_LINKED;
 491                 spin_unlock_bh(&psta->lock);
 492
 493         } else {
 494                 DBG_88E("add_RATid_bmc_sta error!\n");
 495         }
 496 }
 497
 498 /* notes: */
 499 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 500 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 501 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 502 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 503 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 504
 505 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
 506 {
 507         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 508         struct security_priv *psecuritypriv = &padapter->securitypriv;
 509         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 510         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
 511         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 512
 513         psta->mac_id = psta->aid + 1;
 514         DBG_88E("%s\n", __func__);
 515
 516         /* ap mode */
 517         rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
 518
 519         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 520                 psta->ieee8021x_blocked = true;
 521         else
 522                 psta->ieee8021x_blocked = false;
 523
 524         /* update sta's cap */
 525
 526         /* ERP */
 527         VCS_update(padapter, psta);
 528         /* HT related cap */
 529         if (phtpriv_sta->ht_option) {
 530                 /* check if sta supports rx ampdu */
 531                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 532
 533                 /* check if sta support s Short GI */
 534                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 535                                 phtpriv_ap->ht_cap.cap_info) &
 536                     (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
 537                         phtpriv_sta->sgi = true;
 538
 539                 /*  bwmode */
 540                 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
 541                                 phtpriv_ap->ht_cap.cap_info) &
 542                     IEEE80211_HT_CAP_SUP_WIDTH) {
 543                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 544                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 545                 }
 546                 psta->qos_option = true;
 547         } else {
 548                 phtpriv_sta->ampdu_enable = false;
 549                 phtpriv_sta->sgi = false;
 550                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 551                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 552         }
 553
 554         /* Rx AMPDU */
 555         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
 556
 557         /* TX AMPDU */
 558         send_delba(padapter, 1, psta->hwaddr);/* originator */
 559         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 560         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 561
 562         /* todo: init other variables */
 563
 564         memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 565
 566         spin_lock_bh(&psta->lock);
 567         psta->state |= _FW_LINKED;
 568         spin_unlock_bh(&psta->lock);
 569 }
 570
 571 static void update_hw_ht_param(struct adapter *padapter)
 572 {
 573         unsigned char           max_AMPDU_len;
 574         unsigned char           min_MPDU_spacing;
 575         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 576         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 577
 578         DBG_88E("%s\n", __func__);
 579
 580         /* handle A-MPDU parameter field */
 581         /*
 582                 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 583                 ampdu_params_info [4:2]:Min MPDU Start Spacing
 584         */
 585         max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
 586
 587         min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
 588
 589         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 590
 591         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 592
 593         /*  */
 594         /*  Config SM Power Save setting */
 595         /*  */
 596         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
 597         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 598                 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 599 }
 600
 601 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
 602 {
 603         u8 *p;
 604         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 605         u16 bcn_interval;
 606         u32     acparm;
 607         uint    ie_len;
 608         struct registry_priv     *pregpriv = &padapter->registrypriv;
 609         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 610         struct security_priv *psecuritypriv = &padapter->securitypriv;
 611         struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 612         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 613         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
 614         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
 615         struct HT_info_element *pht_info = NULL;
 616
 617         bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
 618         cur_channel = pnetwork->Configuration.DSConfig;
 619         cur_bwmode = HT_CHANNEL_WIDTH_20;
 620         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 621
 622         /* check if there is wps ie,
 623          * if there is wpsie in beacon, the hostapd will update
 624          * beacon twice when stating hostapd, and at first time the
 625          * security ie (RSN/WPA IE) will not include in beacon.
 626          */
 627         if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
 628                 pmlmeext->bstart_bss = true;
 629
 630         /* todo: update wmm, ht cap */
 631         if (pmlmepriv->qospriv.qos_option)
 632                 pmlmeinfo->WMM_enable = true;
 633         if (pmlmepriv->htpriv.ht_option) {
 634                 pmlmeinfo->WMM_enable = true;
 635                 pmlmeinfo->HT_enable = true;
 636
 637                 update_hw_ht_param(padapter);
 638         }
 639
 640         /* setting only at  first time */
 641         if (pmlmepriv->cur_network.join_res != true) {
 642                 /* WEP Key will be set before this function, do not
 643                  * clear CAM.
 644                  */
 645                 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
 646                     (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
 647                         flush_all_cam_entry(padapter);  /* clear CAM */
 648         }
 649
 650         /* set MSR to AP_Mode */
 651         Set_MSR(padapter, _HW_STATE_AP_);
 652
 653         /* Set BSSID REG */
 654         rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
 655
 656         /* Set EDCA param reg */
 657         acparm = 0x002F3217; /*  VO */
 658         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
 659         acparm = 0x005E4317; /*  VI */
 660         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
 661         acparm = 0x005ea42b;
 662         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
 663         acparm = 0x0000A444; /*  BK */
 664         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
 665
 666         /* Set Security */
 667         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
 668         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
 669
 670         /* Beacon Control related register */
 671         rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
 672
 673         UpdateBrateTbl(padapter, pnetwork->SupportedRates);
 674         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
 675
 676         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
 677                 /* turn on all dynamic functions */
 678                 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
 679         }
 680         /* set channel, bwmode */
 681         p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fixed_ie)));
 682         if (p && ie_len) {
 683                 pht_info = (struct HT_info_element *)(p + 2);
 684
 685                 if ((pregpriv->cbw40_enable) &&  (pht_info->infos[0] & BIT(2))) {
 686                         /* switch to the 40M Hz mode */
 687                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 688                         switch (pht_info->infos[0] & 0x3) {
 689                         case 1:
 690                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 691                                 break;
 692                         case 3:
 693                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 694                                 break;
 695                         default:
 696                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 697                                 break;
 698                         }
 699                 }
 700         }
 701         /* TODO: need to judge the phy parameters on concurrent
 702          * mode for single phy
 703          */
 704         set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 705
 706         DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
 707
 708         /*  */
 709         pmlmeext->cur_channel = cur_channel;
 710         pmlmeext->cur_bwmode = cur_bwmode;
 711         pmlmeext->cur_ch_offset = cur_ch_offset;
 712         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 713
 714         /* update cur_wireless_mode */
 715         update_wireless_mode(padapter);
 716
 717         /* update capability after cur_wireless_mode updated */
 718         update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
 719
 720         /* let pnetwork_mlmeext == pnetwork_mlme. */
 721         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 722
 723         if (pmlmeext->bstart_bss) {
 724                 update_beacon(padapter, _TIM_IE_, NULL, false);
 725
 726                 /* issue beacon frame */
 727                 if (send_beacon(padapter) == _FAIL)
 728                         DBG_88E("send_beacon, fail!\n");
 729         }
 730
 731         /* update bc/mc sta_info */
 732         update_bmc_sta(padapter);
 733 }
 734
 735 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
 736 {
 737         int ret = _SUCCESS;
 738         u8 *p;
 739         u8 *pHT_caps_ie = NULL;
 740         u8 *pHT_info_ie = NULL;
 741         struct sta_info *psta = NULL;
 742         u16 cap, ht_cap = false;
 743         uint ie_len = 0;
 744         int group_cipher, pairwise_cipher;
 745         u8      channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 746         int supportRateNum = 0;
 747         u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
 748         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 749         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 750         struct security_priv *psecuritypriv = &padapter->securitypriv;
 751         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 752         struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
 753         u8 *ie = pbss_network->ies;
 754
 755         /* SSID */
 756         /* Supported rates */
 757         /* DS Params */
 758         /* WLAN_EID_COUNTRY */
 759         /* ERP Information element */
 760         /* Extended supported rates */
 761         /* WPA/WPA2 */
 762         /* Wi-Fi Wireless Multimedia Extensions */
 763         /* ht_capab, ht_oper */
 764         /* WPS IE */
 765
 766         DBG_88E("%s, len =%d\n", __func__, len);
 767
 768         if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
 769                 return _FAIL;
 770
 771         if (len < 0 || len > MAX_IE_SZ)
 772                 return _FAIL;
 773
 774         pbss_network->ie_length = len;
 775
 776         memset(ie, 0, MAX_IE_SZ);
 777
 778         memcpy(ie, pbuf, pbss_network->ie_length);
 779
 780         if (pbss_network->InfrastructureMode != Ndis802_11APMode)
 781                 return _FAIL;
 782
 783         pbss_network->Rssi = 0;
 784
 785         ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
 786
 787         /* beacon interval */
 788         p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
 789         pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
 790
 791         /* capability */
 792         cap = get_unaligned_le16(ie);
 793
 794         /* SSID */
 795         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 796         if (p && ie_len > 0) {
 797                 ie_len = min_t(int, ie_len, sizeof(pbss_network->Ssid.Ssid));
 798                 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 799                 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
 800                 pbss_network->Ssid.SsidLength = ie_len;
 801         }
 802
 803         /* channel */
 804         channel = 0;
 805         pbss_network->Configuration.Length = 0;
 806         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 807         if (p && ie_len > 0)
 808                 channel = *(p + 2);
 809
 810         pbss_network->Configuration.DSConfig = channel;
 811
 812         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 813         /*  get supported rates */
 814         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 815         if (p) {
 816                 ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX);
 817                 memcpy(supportRate, p + 2, ie_len);
 818                 supportRateNum = ie_len;
 819         }
 820
 821         /* get ext_supported rates */
 822         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_);
 823         if (p) {
 824                 ie_len = min_t(int, ie_len,
 825                                NDIS_802_11_LENGTH_RATES_EX - supportRateNum);
 826                 memcpy(supportRate + supportRateNum, p + 2, ie_len);
 827                 supportRateNum += ie_len;
 828         }
 829
 830         network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
 831
 832         rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
 833
 834         /* parsing ERP_IE */
 835         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 836         if (p && ie_len > 0)
 837                 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
 838
 839         /* update privacy/security */
 840         if (cap & BIT(4))
 841                 pbss_network->Privacy = 1;
 842         else
 843                 pbss_network->Privacy = 0;
 844
 845         psecuritypriv->wpa_psk = 0;
 846
 847         /* wpa2 */
 848         group_cipher = 0;
 849         pairwise_cipher = 0;
 850         psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
 851         psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
 852         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 853         if (p && ie_len > 0) {
 854                 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
 855                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 856
 857                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 858                         psecuritypriv->wpa_psk |= BIT(1);
 859
 860                         psecuritypriv->wpa2_group_cipher = group_cipher;
 861                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 862                 }
 863         }
 864         /* wpa */
 865         ie_len = 0;
 866         group_cipher = 0;
 867         pairwise_cipher = 0;
 868         psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
 869         psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
 870         for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 871                 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
 872                                (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
 873                 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
 874                         if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
 875                                              &pairwise_cipher, NULL) == _SUCCESS) {
 876                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 877
 878                                 psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 879
 880                                 psecuritypriv->wpa_psk |= BIT(0);
 881
 882                                 psecuritypriv->wpa_group_cipher = group_cipher;
 883                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
 884                         }
 885                         break;
 886                 }
 887                 if ((!p) || (ie_len == 0))
 888                         break;
 889         }
 890
 891         /* wmm */
 892         ie_len = 0;
 893         pmlmepriv->qospriv.qos_option = 0;
 894         if (pregistrypriv->wmm_enable) {
 895                 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
 896                         p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
 897                                        (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
 898                         if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
 899                                 pmlmepriv->qospriv.qos_option = 1;
 900
 901                                 /* QoS Info, support U-APSD */
 902                                 *(p + 8) |= BIT(7);
 903
 904                                 /* disable all ACM bits since the WMM
 905                                  * admission control is not supported
 906                                  */
 907                                 *(p + 10) &= ~BIT(4); /* BE */
 908                                 *(p + 14) &= ~BIT(4); /* BK */
 909                                 *(p + 18) &= ~BIT(4); /* VI */
 910                                 *(p + 22) &= ~BIT(4); /* VO */
 911                                 break;
 912                         }
 913
 914                         if ((!p) || (ie_len == 0))
 915                                 break;
 916                 }
 917         }
 918         /* parsing HT_CAP_IE */
 919         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
 920                        (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 921         if (p && ie_len > 0) {
 922                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
 923
 924                 pHT_caps_ie = p;
 925                 ht_cap = true;
 926                 network_type |= WIRELESS_11_24N;
 927
 928                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
 929                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
 930                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
 931                 else
 932                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
 933
 934                 /* set  Max Rx AMPDU size  to 64K */
 935                 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
 936
 937                 pht_cap->mcs.rx_mask[0] = 0xff;
 938                 pht_cap->mcs.rx_mask[1] = 0x0;
 939                 ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap));
 940                 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
 941         }
 942
 943         /* parsing HT_INFO_IE */
 944         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
 945                        (pbss_network->ie_length - _BEACON_IE_OFFSET_));
 946         if (p && ie_len > 0)
 947                 pHT_info_ie = p;
 948         switch (network_type) {
 949         case WIRELESS_11B:
 950                 pbss_network->NetworkTypeInUse = Ndis802_11DS;
 951                 break;
 952         case WIRELESS_11G:
 953         case WIRELESS_11BG:
 954         case WIRELESS_11G_24N:
 955         case WIRELESS_11BG_24N:
 956                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
 957                 break;
 958         case WIRELESS_11A:
 959                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
 960                 break;
 961         default:
 962                 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
 963                 break;
 964         }
 965
 966         pmlmepriv->cur_network.network_type = network_type;
 967
 968         pmlmepriv->htpriv.ht_option = false;
 969
 970         if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
 971             (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
 972                 /* todo: */
 973                 /* ht_cap = false; */
 974         }
 975
 976         /* ht_cap */
 977         if (pregistrypriv->ht_enable && ht_cap) {
 978                 pmlmepriv->htpriv.ht_option = true;
 979                 pmlmepriv->qospriv.qos_option = 1;
 980
 981                 if (pregistrypriv->ampdu_enable == 1)
 982                         pmlmepriv->htpriv.ampdu_enable = true;
 983                 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
 984
 985                 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
 986         }
 987
 988         pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex  *)pbss_network);
 989
 990         /* issue beacon to start bss network */
 991         start_bss_network(padapter, (u8 *)pbss_network);
 992
 993         /* alloc sta_info for ap itself */
 994         psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
 995         if (!psta) {
 996                 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
 997                 if (!psta)
 998                         return _FAIL;
 999         }
1000
1001         /* fix bug of flush_cam_entry at STOP AP mode */
1002         psta->state |= WIFI_AP_STATE;
1003         rtw_indicate_connect(padapter);
1004         pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1005         return ret;
1006 }
1007
1008 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1009 {
1010         struct sta_priv *pstapriv = &padapter->stapriv;
1011         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1012
1013         DBG_88E("%s, mode =%d\n", __func__, mode);
1014
1015         pacl_list->mode = mode;
1016 }
1017
1018 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1019 {
1020         struct list_head *plist, *phead;
1021         u8 added = false;
1022         int i, ret = 0;
1023         struct rtw_wlan_acl_node *paclnode;
1024         struct sta_priv *pstapriv = &padapter->stapriv;
1025         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1026         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1027
1028         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1029
1030         if ((NUM_ACL - 1) < pacl_list->num)
1031                 return -1;
1032
1033         spin_lock_bh(&pacl_node_q->lock);
1034
1035         phead = get_list_head(pacl_node_q);
1036         plist = phead->next;
1037
1038         while (phead != plist) {
1039                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1040                 plist = plist->next;
1041
1042                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1043                         if (paclnode->valid) {
1044                                 added = true;
1045                                 DBG_88E("%s, sta has been added\n", __func__);
1046                                 break;
1047                         }
1048                 }
1049         }
1050
1051         spin_unlock_bh(&pacl_node_q->lock);
1052
1053         if (added)
1054                 return ret;
1055
1056         spin_lock_bh(&pacl_node_q->lock);
1057
1058         for (i = 0; i < NUM_ACL; i++) {
1059                 paclnode = &pacl_list->aclnode[i];
1060
1061                 if (!paclnode->valid) {
1062                         INIT_LIST_HEAD(&paclnode->list);
1063
1064                         ether_addr_copy(paclnode->addr, addr);
1065
1066                         paclnode->valid = true;
1067
1068                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1069
1070                         pacl_list->num++;
1071
1072                         break;
1073                 }
1074         }
1075
1076         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1077
1078         spin_unlock_bh(&pacl_node_q->lock);
1079
1080         return ret;
1081 }
1082
1083 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1084 {
1085         struct list_head *plist, *phead;
1086         struct rtw_wlan_acl_node *paclnode;
1087         struct sta_priv *pstapriv = &padapter->stapriv;
1088         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1089         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1090
1091         DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1092
1093         spin_lock_bh(&pacl_node_q->lock);
1094
1095         phead = get_list_head(pacl_node_q);
1096         plist = phead->next;
1097
1098         while (phead != plist) {
1099                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1100                 plist = plist->next;
1101
1102                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1103                         if (paclnode->valid) {
1104                                 paclnode->valid = false;
1105
1106                                 list_del_init(&paclnode->list);
1107
1108                                 pacl_list->num--;
1109                         }
1110                 }
1111         }
1112
1113         spin_unlock_bh(&pacl_node_q->lock);
1114
1115         DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1116         return 0;
1117 }
1118
1119 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1120 {
1121         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1122         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1123         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1124         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1125         unsigned char *p, *ie = pnetwork->ies;
1126         u32 len = 0;
1127
1128         DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1129
1130         if (!pmlmeinfo->ERP_enable)
1131                 return;
1132
1133         /* parsing ERP_IE */
1134         p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1135                        (pnetwork->ie_length - _BEACON_IE_OFFSET_));
1136         if (p && len > 0) {
1137                 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1138
1139                 if (pmlmepriv->num_sta_non_erp == 1)
1140                         pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
1141                 else
1142                         pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
1143
1144                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1145                         pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1146                 else
1147                         pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1148
1149                 ERP_IE_handler(padapter, pIE);
1150         }
1151 }
1152
1153 static void update_bcn_wps_ie(struct adapter *padapter)
1154 {
1155         u8 *pwps_ie = NULL, *pwps_ie_src;
1156         u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1157         uint wps_ielen = 0, wps_offset, remainder_ielen;
1158         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1159         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1160         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1161         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1162         unsigned char *ie = pnetwork->ies;
1163         u32 ielen = pnetwork->ie_length;
1164
1165         DBG_88E("%s\n", __func__);
1166
1167         pwps_ie_src = pmlmepriv->wps_beacon_ie;
1168         if (!pwps_ie_src)
1169                 return;
1170
1171         pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1172
1173         if (!pwps_ie || wps_ielen == 0)
1174                 return;
1175
1176         wps_offset = (uint)(pwps_ie-ie);
1177
1178         premainder_ie = pwps_ie + wps_ielen;
1179
1180         remainder_ielen = ielen - wps_offset - wps_ielen;
1181
1182         if (remainder_ielen > 0) {
1183                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1184                 if (pbackup_remainder_ie)
1185                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1186         }
1187
1188         wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1189         if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
1190                 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1191                 pwps_ie += (wps_ielen+2);
1192
1193                 if (pbackup_remainder_ie)
1194                         memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1195
1196                 /* update ie_length */
1197                 pnetwork->ie_length = wps_offset + (wps_ielen+2) + remainder_ielen;
1198         }
1199
1200         kfree(pbackup_remainder_ie);
1201 }
1202
1203 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1204 {
1205         DBG_88E("%s\n", __func__);
1206
1207         if (!memcmp(WPS_OUI, oui, 4))
1208                 update_bcn_wps_ie(padapter);
1209         else
1210                 DBG_88E("unknown OUI type!\n");
1211 }
1212
1213 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1214 {
1215         struct mlme_priv *pmlmepriv;
1216         struct mlme_ext_priv    *pmlmeext;
1217
1218         if (!padapter)
1219                 return;
1220
1221         pmlmepriv = &padapter->mlmepriv;
1222         pmlmeext = &padapter->mlmeextpriv;
1223
1224         if (!pmlmeext->bstart_bss)
1225                 return;
1226
1227         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1228
1229         switch (ie_id) {
1230         case _TIM_IE_:
1231                 update_BCNTIM(padapter);
1232                 break;
1233         case _ERPINFO_IE_:
1234                 update_bcn_erpinfo_ie(padapter);
1235                 break;
1236         case _VENDOR_SPECIFIC_IE_:
1237                 update_bcn_vendor_spec_ie(padapter, oui);
1238                 break;
1239         default:
1240                 break;
1241         }
1242
1243         pmlmepriv->update_bcn = true;
1244
1245         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1246
1247         if (tx)
1248                 set_tx_beacon_cmd(padapter);
1249 }
1250
1251 /*
1252 op_mode
1253 Set to 0 (HT pure) under the following conditions
1254         - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1255         - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1256 Set to 1 (HT non-member protection) if there may be non-HT STAs
1257         in both the primary and the secondary channel
1258 Set to 2 if only HT STAs are associated in BSS,
1259         however and at least one 20 MHz HT STA is associated
1260 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1261         (currently non-GF HT station is considered as non-HT STA also)
1262 */
1263 static int rtw_ht_operation_update(struct adapter *padapter)
1264 {
1265         u16 cur_op_mode, new_op_mode;
1266         int op_mode_changes = 0;
1267         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1268         struct ht_priv  *phtpriv_ap = &pmlmepriv->htpriv;
1269
1270         if (pmlmepriv->htpriv.ht_option)
1271                 return 0;
1272
1273         DBG_88E("%s current operation mode = 0x%X\n",
1274                 __func__, pmlmepriv->ht_op_mode);
1275
1276         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1277             pmlmepriv->num_sta_ht_no_gf) {
1278                 pmlmepriv->ht_op_mode |=
1279                         HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1280                 op_mode_changes++;
1281         } else if ((pmlmepriv->ht_op_mode &
1282                    HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1283                    pmlmepriv->num_sta_ht_no_gf == 0) {
1284                 pmlmepriv->ht_op_mode &=
1285                         ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1286                 op_mode_changes++;
1287         }
1288
1289         if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1290             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1291                 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1292                 op_mode_changes++;
1293         } else if ((pmlmepriv->ht_op_mode &
1294                     HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1295                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1296                 pmlmepriv->ht_op_mode &=
1297                         ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1298                 op_mode_changes++;
1299         }
1300
1301         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1302          * station is associated. Probably it's a theoretical case, since
1303          * it looks like all known HT STAs support greenfield.
1304          */
1305         new_op_mode = 0;
1306         if (pmlmepriv->num_sta_no_ht ||
1307             (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1308                 new_op_mode = OP_MODE_MIXED;
1309         else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1310                   IEEE80211_HT_CAP_SUP_WIDTH) &&
1311                  pmlmepriv->num_sta_ht_20mhz)
1312                 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1313         else if (pmlmepriv->olbc_ht)
1314                 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1315         else
1316                 new_op_mode = OP_MODE_PURE;
1317
1318         cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1319         if (cur_op_mode != new_op_mode) {
1320                 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1321                 pmlmepriv->ht_op_mode |= new_op_mode;
1322                 op_mode_changes++;
1323         }
1324
1325         DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1326                 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1327
1328         return op_mode_changes;
1329 }
1330
1331 void associated_clients_update(struct adapter *padapter, u8 updated)
1332 {
1333         /* update associated stations cap. */
1334         if (updated) {
1335                 struct list_head *phead, *plist;
1336                 struct sta_info *psta = NULL;
1337                 struct sta_priv *pstapriv = &padapter->stapriv;
1338
1339                 spin_lock_bh(&pstapriv->asoc_list_lock);
1340
1341                 phead = &pstapriv->asoc_list;
1342                 plist = phead->next;
1343
1344                 /* check asoc_queue */
1345                 while (phead != plist) {
1346                         psta = container_of(plist, struct sta_info, asoc_list);
1347
1348                         plist = plist->next;
1349
1350                         VCS_update(padapter, psta);
1351                 }
1352                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1353         }
1354 }
1355
1356 /* called > TSR LEVEL for USB or SDIO Interface*/
1357 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1358 {
1359         u8 beacon_updated = false;
1360         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1361         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1362
1363         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1364                 if (!psta->no_short_preamble_set) {
1365                         psta->no_short_preamble_set = 1;
1366
1367                         pmlmepriv->num_sta_no_short_preamble++;
1368
1369                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1370                             (pmlmepriv->num_sta_no_short_preamble == 1)) {
1371                                 beacon_updated = true;
1372                                 update_beacon(padapter, 0xFF, NULL, true);
1373                         }
1374                 }
1375         } else {
1376                 if (psta->no_short_preamble_set) {
1377                         psta->no_short_preamble_set = 0;
1378
1379                         pmlmepriv->num_sta_no_short_preamble--;
1380
1381                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1382                             (pmlmepriv->num_sta_no_short_preamble == 0)) {
1383                                 beacon_updated = true;
1384                                 update_beacon(padapter, 0xFF, NULL, true);
1385                         }
1386                 }
1387         }
1388
1389         if (psta->flags & WLAN_STA_NONERP) {
1390                 if (!psta->nonerp_set) {
1391                         psta->nonerp_set = 1;
1392
1393                         pmlmepriv->num_sta_non_erp++;
1394
1395                         if (pmlmepriv->num_sta_non_erp == 1) {
1396                                 beacon_updated = true;
1397                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1398                         }
1399                 }
1400         } else {
1401                 if (psta->nonerp_set) {
1402                         psta->nonerp_set = 0;
1403
1404                         pmlmepriv->num_sta_non_erp--;
1405
1406                         if (pmlmepriv->num_sta_non_erp == 0) {
1407                                 beacon_updated = true;
1408                                 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1409                         }
1410                 }
1411         }
1412
1413         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1414                 if (!psta->no_short_slot_time_set) {
1415                         psta->no_short_slot_time_set = 1;
1416
1417                         pmlmepriv->num_sta_no_short_slot_time++;
1418
1419                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1420                             (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1421                                 beacon_updated = true;
1422                                 update_beacon(padapter, 0xFF, NULL, true);
1423                         }
1424                 }
1425         } else {
1426                 if (psta->no_short_slot_time_set) {
1427                         psta->no_short_slot_time_set = 0;
1428
1429                         pmlmepriv->num_sta_no_short_slot_time--;
1430
1431                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1432                             (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1433                                 beacon_updated = true;
1434                                 update_beacon(padapter, 0xFF, NULL, true);
1435                         }
1436                 }
1437         }
1438
1439         if (psta->flags & WLAN_STA_HT) {
1440                 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1441
1442                 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1443                         (psta->hwaddr), ht_capab);
1444
1445                 if (psta->no_ht_set) {
1446                         psta->no_ht_set = 0;
1447                         pmlmepriv->num_sta_no_ht--;
1448                 }
1449
1450                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1451                         if (!psta->no_ht_gf_set) {
1452                                 psta->no_ht_gf_set = 1;
1453                                 pmlmepriv->num_sta_ht_no_gf++;
1454                         }
1455                         DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1456                                 __func__, (psta->hwaddr),
1457                                 pmlmepriv->num_sta_ht_no_gf);
1458                 }
1459
1460                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1461                         if (!psta->ht_20mhz_set) {
1462                                 psta->ht_20mhz_set = 1;
1463                                 pmlmepriv->num_sta_ht_20mhz++;
1464                         }
1465                         DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1466                                 __func__, (psta->hwaddr),
1467                                 pmlmepriv->num_sta_ht_20mhz);
1468                 }
1469         } else {
1470                 if (!psta->no_ht_set) {
1471                         psta->no_ht_set = 1;
1472                         pmlmepriv->num_sta_no_ht++;
1473                 }
1474                 if (pmlmepriv->htpriv.ht_option) {
1475                         DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1476                                 __func__, (psta->hwaddr),
1477                                 pmlmepriv->num_sta_no_ht);
1478                 }
1479         }
1480
1481         if (rtw_ht_operation_update(padapter) > 0) {
1482                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1483                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1484         }
1485
1486         /* update associated stations cap. */
1487         associated_clients_update(padapter,  beacon_updated);
1488
1489         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1490 }
1491
1492 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1493 {
1494         u8 beacon_updated = false;
1495         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1496         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1497
1498         if (!psta)
1499                 return beacon_updated;
1500
1501         if (psta->no_short_preamble_set) {
1502                 psta->no_short_preamble_set = 0;
1503                 pmlmepriv->num_sta_no_short_preamble--;
1504                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1505                     pmlmepriv->num_sta_no_short_preamble == 0) {
1506                         beacon_updated = true;
1507                         update_beacon(padapter, 0xFF, NULL, true);
1508                 }
1509         }
1510
1511         if (psta->nonerp_set) {
1512                 psta->nonerp_set = 0;
1513                 pmlmepriv->num_sta_non_erp--;
1514                 if (pmlmepriv->num_sta_non_erp == 0) {
1515                         beacon_updated = true;
1516                         update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1517                 }
1518         }
1519
1520         if (psta->no_short_slot_time_set) {
1521                 psta->no_short_slot_time_set = 0;
1522                 pmlmepriv->num_sta_no_short_slot_time--;
1523                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1524                     pmlmepriv->num_sta_no_short_slot_time == 0) {
1525                         beacon_updated = true;
1526                         update_beacon(padapter, 0xFF, NULL, true);
1527                 }
1528         }
1529
1530         if (psta->no_ht_gf_set) {
1531                 psta->no_ht_gf_set = 0;
1532                 pmlmepriv->num_sta_ht_no_gf--;
1533         }
1534
1535         if (psta->no_ht_set) {
1536                 psta->no_ht_set = 0;
1537                 pmlmepriv->num_sta_no_ht--;
1538         }
1539
1540         if (psta->ht_20mhz_set) {
1541                 psta->ht_20mhz_set = 0;
1542                 pmlmepriv->num_sta_ht_20mhz--;
1543         }
1544
1545         if (rtw_ht_operation_update(padapter) > 0) {
1546                 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1547                 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1548         }
1549
1550         /* update associated stations cap. */
1551
1552         DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1553
1554         return beacon_updated;
1555 }
1556
1557 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1558                bool active, u16 reason)
1559 {
1560         u8 beacon_updated = false;
1561         struct sta_priv *pstapriv = &padapter->stapriv;
1562
1563         if (!psta)
1564                 return beacon_updated;
1565
1566         /* tear down Rx AMPDU */
1567         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
1568
1569         /* tear down TX AMPDU */
1570         send_delba(padapter, 1, psta->hwaddr);/*  originator */
1571         psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1572         psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1573
1574         if (active)
1575                 issue_deauth(padapter, psta->hwaddr, reason);
1576
1577         /* clear cam entry / key */
1578         rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1579
1580         spin_lock_bh(&psta->lock);
1581         psta->state &= ~_FW_LINKED;
1582         spin_unlock_bh(&psta->lock);
1583
1584         rtw_indicate_sta_disassoc_event(padapter, psta);
1585
1586         report_del_sta_event(padapter, psta->hwaddr, reason);
1587
1588         beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1589
1590         spin_lock_bh(&pstapriv->sta_hash_lock);
1591         rtw_free_stainfo(padapter, psta);
1592         spin_unlock_bh(&pstapriv->sta_hash_lock);
1593
1594         return beacon_updated;
1595 }
1596
1597 int rtw_sta_flush(struct adapter *padapter)
1598 {
1599         struct list_head *phead, *plist;
1600         struct sta_info *psta = NULL;
1601         struct sta_priv *pstapriv = &padapter->stapriv;
1602         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1603         struct mlme_ext_info    *pmlmeinfo = &pmlmeext->mlmext_info;
1604         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1605
1606         DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1607
1608         if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1609                 return 0;
1610
1611         spin_lock_bh(&pstapriv->asoc_list_lock);
1612         phead = &pstapriv->asoc_list;
1613         plist = phead->next;
1614
1615         /* free sta asoc_queue */
1616         while (phead != plist) {
1617                 psta = container_of(plist, struct sta_info, asoc_list);
1618
1619                 plist = plist->next;
1620
1621                 list_del_init(&psta->asoc_list);
1622                 pstapriv->asoc_list_cnt--;
1623
1624                 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1625         }
1626         spin_unlock_bh(&pstapriv->asoc_list_lock);
1627
1628         issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1629
1630         associated_clients_update(padapter, true);
1631
1632         return 0;
1633 }
1634
1635 /* called > TSR LEVEL for USB or SDIO Interface*/
1636 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1637 {
1638         int flags = psta->flags;
1639         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1640
1641         /* update wmm cap. */
1642         if (WLAN_STA_WME & flags)
1643                 psta->qos_option = 1;
1644         else
1645                 psta->qos_option = 0;
1646
1647         if (pmlmepriv->qospriv.qos_option == 0)
1648                 psta->qos_option = 0;
1649
1650         /* update 802.11n ht cap. */
1651         if (WLAN_STA_HT & flags) {
1652                 psta->htpriv.ht_option = true;
1653                 psta->qos_option = 1;
1654         } else {
1655                 psta->htpriv.ht_option = false;
1656         }
1657
1658         if (!pmlmepriv->htpriv.ht_option)
1659                 psta->htpriv.ht_option = false;
1660
1661         update_sta_info_apmode(padapter, psta);
1662 }
1663
1664 /* called >= TSR LEVEL for USB or SDIO Interface*/
1665 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1666 {
1667         if (psta->state & _FW_LINKED) {
1668                 /* add ratid */
1669                 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1670         }
1671 }
1672
1673 void start_ap_mode(struct adapter *padapter)
1674 {
1675         int i;
1676         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1677         struct sta_priv *pstapriv = &padapter->stapriv;
1678         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1679         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1680
1681         pmlmepriv->update_bcn = false;
1682
1683         pmlmeext->bstart_bss = false;
1684
1685         pmlmepriv->num_sta_non_erp = 0;
1686
1687         pmlmepriv->num_sta_no_short_slot_time = 0;
1688
1689         pmlmepriv->num_sta_no_short_preamble = 0;
1690
1691         pmlmepriv->num_sta_ht_no_gf = 0;
1692         pmlmepriv->num_sta_no_ht = 0;
1693         pmlmepriv->num_sta_ht_20mhz = 0;
1694
1695         pmlmepriv->olbc = false;
1696
1697         pmlmepriv->olbc_ht = false;
1698
1699         pmlmepriv->ht_op_mode = 0;
1700
1701         for (i = 0; i < NUM_STA; i++)
1702                 pstapriv->sta_aid[i] = NULL;
1703
1704         pmlmepriv->wps_beacon_ie = NULL;
1705         pmlmepriv->wps_probe_resp_ie = NULL;
1706         pmlmepriv->wps_assoc_resp_ie = NULL;
1707
1708         /* for ACL */
1709         INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1710         pacl_list->num = 0;
1711         pacl_list->mode = 0;
1712         for (i = 0; i < NUM_ACL; i++) {
1713                 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1714                 pacl_list->aclnode[i].valid = false;
1715         }
1716 }
1717
1718 void stop_ap_mode(struct adapter *padapter)
1719 {
1720         struct list_head *phead, *plist;
1721         struct rtw_wlan_acl_node *paclnode;
1722         struct sta_info *psta = NULL;
1723         struct sta_priv *pstapriv = &padapter->stapriv;
1724         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1725         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1726         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1727         struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1728
1729         pmlmepriv->update_bcn = false;
1730         pmlmeext->bstart_bss = false;
1731
1732         /* reset and init security priv , this can refine with
1733          * rtw_reset_securitypriv
1734          */
1735         memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1736         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1737         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1738
1739         /* for ACL */
1740         spin_lock_bh(&pacl_node_q->lock);
1741         phead = get_list_head(pacl_node_q);
1742         plist = phead->next;
1743         while (phead != plist) {
1744                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1745                 plist = plist->next;
1746
1747                 if (paclnode->valid) {
1748                         paclnode->valid = false;
1749
1750                         list_del_init(&paclnode->list);
1751
1752                         pacl_list->num--;
1753                 }
1754         }
1755         spin_unlock_bh(&pacl_node_q->lock);
1756
1757         DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1758
1759         rtw_sta_flush(padapter);
1760
1761         /* free_assoc_sta_resources */
1762         rtw_free_all_stainfo(padapter);
1763
1764         psta = rtw_get_bcmc_stainfo(padapter);
1765         spin_lock_bh(&pstapriv->sta_hash_lock);
1766         rtw_free_stainfo(padapter, psta);
1767         spin_unlock_bh(&pstapriv->sta_hash_lock);
1768
1769         rtw_init_bcmc_stainfo(padapter);
1770
1771         rtw_free_mlme_priv_ie_data(pmlmepriv);
1772 }
1773
1774 #endif /* CONFIG_88EU_AP_MODE */