drivers/staging/rtl8723au/core/rtw_ap.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  ******************************************************************************/
  15 #define _RTW_AP_C_
  16
  17 #include <osdep_service.h>
  18 #include <drv_types.h>
  19 #include <linux/ieee80211.h>
  20 #include <wifi.h>
  21 #include <rtl8723a_cmd.h>
  22 #include <rtl8723a_hal.h>
  23
  24 extern unsigned char WMM_OUI23A[];
  25 extern unsigned char WPS_OUI23A[];
  26 extern unsigned char P2P_OUI23A[];
  27
  28 void init_mlme_ap_info23a(struct rtw_adapter *padapter)
  29 {
  30         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  31         struct sta_priv *pstapriv = &padapter->stapriv;
  32         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
  33
  34         spin_lock_init(&pmlmepriv->bcn_update_lock);
  35
  36         /* for ACL */
  37         _rtw_init_queue23a(&pacl_list->acl_node_q);
  38
  39         start_ap_mode23a(padapter);
  40 }
  41
  42 void free_mlme_ap_info23a(struct rtw_adapter *padapter)
  43 {
  44         struct sta_info *psta = NULL;
  45         struct sta_priv *pstapriv = &padapter->stapriv;
  46         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  47         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  48         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  49
  50         pmlmepriv->update_bcn = false;
  51         pmlmeext->bstart_bss = false;
  52
  53         rtw_sta_flush23a(padapter);
  54
  55         pmlmeinfo->state = MSR_NOLINK;
  56
  57         /* free_assoc_sta_resources */
  58         rtw_free_all_stainfo23a(padapter);
  59
  60         /* free bc/mc sta_info */
  61         psta = rtw_get_bcmc_stainfo23a(padapter);
  62         spin_lock_bh(&pstapriv->sta_hash_lock);
  63         rtw_free_stainfo23a(padapter, psta);
  64         spin_unlock_bh(&pstapriv->sta_hash_lock);
  65 }
  66
  67 static void update_BCNTIM(struct rtw_adapter *padapter)
  68 {
  69         struct sta_priv *pstapriv = &padapter->stapriv;
  70         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  71         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  72         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
  73         unsigned char *pie = pnetwork_mlmeext->IEs;
  74         u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
  75         __le16 tim_bitmap_le;
  76         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  77
  78         tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
  79
  80         p = rtw_get_ie23a(pie, WLAN_EID_TIM, &tim_ielen,
  81                           pnetwork_mlmeext->IELength);
  82         if (p != NULL && tim_ielen > 0) {
  83                 tim_ielen += 2;
  84
  85                 premainder_ie = p+tim_ielen;
  86
  87                 tim_ie_offset = (int)(p - pie);
  88
  89                 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
  90
  91                 /* append TIM IE from dst_ie offset */
  92                 dst_ie = p;
  93         } else {
  94                 tim_ielen = 0;
  95
  96                 /* calculate head_len */
  97                 offset = 0;
  98
  99                 /* get ssid_ie len */
 100                 p = rtw_get_ie23a(pie, WLAN_EID_SSID,
 101                                   &tmp_len, pnetwork_mlmeext->IELength);
 102                 if (p != NULL)
 103                         offset += tmp_len+2;
 104
 105                 /*  get supported rates len */
 106                 p = rtw_get_ie23a(pie, WLAN_EID_SUPP_RATES,
 107                                   &tmp_len, pnetwork_mlmeext->IELength);
 108                 if (p !=  NULL)
 109                         offset += tmp_len+2;
 110
 111                 /* DS Parameter Set IE, len = 3 */
 112                 offset += 3;
 113
 114                 premainder_ie = pie + offset;
 115
 116                 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
 117
 118                 /* append TIM IE from offset */
 119                 dst_ie = pie + offset;
 120         }
 121
 122         if (remainder_ielen > 0) {
 123                 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
 124                 if (pbackup_remainder_ie && premainder_ie)
 125                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
 126         }
 127
 128         *dst_ie++ = WLAN_EID_TIM;
 129
 130         if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
 131                 tim_ielen = 5;
 132         else
 133                 tim_ielen = 4;
 134
 135         *dst_ie++ = tim_ielen;
 136
 137         *dst_ie++ = 0;/* DTIM count */
 138         *dst_ie++ = 1;/* DTIM period */
 139
 140         if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
 141                 *dst_ie++ = BIT(0);/* bitmap ctrl */
 142         else
 143                 *dst_ie++ = 0;
 144
 145         if (tim_ielen == 4) {
 146                 *dst_ie++ = *(u8 *)&tim_bitmap_le;
 147         } else if (tim_ielen == 5) {
 148                 memcpy(dst_ie, &tim_bitmap_le, 2);
 149                 dst_ie += 2;
 150         }
 151
 152         /* copy remainder IE */
 153         if (pbackup_remainder_ie) {
 154                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 155
 156                 kfree(pbackup_remainder_ie);
 157         }
 158
 159         offset =  (uint)(dst_ie - pie);
 160         pnetwork_mlmeext->IELength = offset + remainder_ielen;
 161
 162         set_tx_beacon_cmd23a(padapter);
 163 }
 164
 165 static u8 chk_sta_is_alive(struct sta_info *psta)
 166 {
 167         u8 ret = false;
 168
 169         if ((psta->sta_stats.last_rx_data_pkts +
 170             psta->sta_stats.last_rx_ctrl_pkts) !=
 171             (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
 172                 ret = true;
 173
 174         sta_update_last_rx_pkts(psta);
 175
 176         return ret;
 177 }
 178
 179 void    expire_timeout_chk23a(struct rtw_adapter *padapter)
 180 {
 181         struct list_head *phead, *plist, *ptmp;
 182         u8 updated = 0;
 183         struct sta_info *psta;
 184         struct sta_priv *pstapriv = &padapter->stapriv;
 185         u8 chk_alive_num = 0;
 186         struct sta_info *chk_alive_list[NUM_STA];
 187         int i;
 188
 189         spin_lock_bh(&pstapriv->auth_list_lock);
 190
 191         phead = &pstapriv->auth_list;
 192
 193         /* check auth_queue */
 194         list_for_each_safe(plist, ptmp, phead) {
 195                 psta = container_of(plist, struct sta_info, auth_list);
 196
 197                 if (psta->expire_to > 0) {
 198                         psta->expire_to--;
 199                         if (psta->expire_to == 0) {
 200                                 list_del_init(&psta->auth_list);
 201                                 pstapriv->auth_list_cnt--;
 202
 203                                 DBG_8723A("auth expire %pM\n", psta->hwaddr);
 204
 205                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 206
 207                                 spin_lock_bh(&pstapriv->sta_hash_lock);
 208                                 rtw_free_stainfo23a(padapter, psta);
 209                                 spin_unlock_bh(&pstapriv->sta_hash_lock);
 210
 211                                 spin_lock_bh(&pstapriv->auth_list_lock);
 212                         }
 213                 }
 214
 215         }
 216
 217         spin_unlock_bh(&pstapriv->auth_list_lock);
 218
 219         spin_lock_bh(&pstapriv->asoc_list_lock);
 220
 221         phead = &pstapriv->asoc_list;
 222
 223         /* check asoc_queue */
 224         list_for_each_safe(plist, ptmp, phead) {
 225                 psta = container_of(plist, struct sta_info, asoc_list);
 226
 227                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 228                         psta->expire_to = pstapriv->expire_to;
 229                         psta->keep_alive_trycnt = 0;
 230                 } else {
 231                         psta->expire_to--;
 232                 }
 233
 234                 if (psta->expire_to <= 0) {
 235                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 236
 237                         if (padapter->registrypriv.wifi_spec == 1) {
 238                                 psta->expire_to = pstapriv->expire_to;
 239                                 continue;
 240                         }
 241
 242                         if (psta->state & WIFI_SLEEP_STATE) {
 243                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 244                                         /* to check if alive by another methods if station is at ps mode. */
 245                                         psta->expire_to = pstapriv->expire_to;
 246                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 247
 248                                         /* to update bcn with tim_bitmap for this station */
 249                                         pstapriv->tim_bitmap |= CHKBIT(psta->aid);
 250                                         update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
 251
 252                                         if (!pmlmeext->active_keep_alive_check)
 253                                                 continue;
 254                                 }
 255                         }
 256
 257                         if (pmlmeext->active_keep_alive_check) {
 258                                 chk_alive_list[chk_alive_num++] = psta;
 259                                 continue;
 260                         }
 261
 262                         list_del_init(&psta->asoc_list);
 263                         pstapriv->asoc_list_cnt--;
 264
 265                         DBG_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(psta->hwaddr), psta->state);
 266                         updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
 267                 } else {
 268                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 269                         if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt)
 270                                 && padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME/pstapriv->asoc_list_cnt)/2)
 271                         ) {
 272                                 DBG_8723A("%s sta:"MAC_FMT", sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
 273                                           MAC_ARG(psta->hwaddr),
 274                                           psta->sleepq_len,
 275                                           padapter->xmitpriv.free_xmitframe_cnt,
 276                                           pstapriv->asoc_list_cnt);
 277                                 wakeup_sta_to_xmit23a(padapter, psta);
 278                         }
 279                 }
 280         }
 281
 282         spin_unlock_bh(&pstapriv->asoc_list_lock);
 283
 284         if (chk_alive_num) {
 285
 286                 u8 backup_oper_channel = 0;
 287                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 288                 /* switch to correct channel of current network  before issue keep-alive frames */
 289                 if (rtw_get_oper_ch23a(padapter) != pmlmeext->cur_channel) {
 290                         backup_oper_channel = rtw_get_oper_ch23a(padapter);
 291                         SelectChannel23a(padapter, pmlmeext->cur_channel);
 292                 }
 293
 294         /* issue null data to check sta alive*/
 295         for (i = 0; i < chk_alive_num; i++) {
 296
 297                 int ret = _FAIL;
 298
 299                 psta = chk_alive_list[i];
 300                 if (!(psta->state & _FW_LINKED))
 301                         continue;
 302
 303                 if (psta->state & WIFI_SLEEP_STATE)
 304                         ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 1, 50);
 305                 else
 306                         ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 3, 50);
 307
 308                 psta->keep_alive_trycnt++;
 309                 if (ret == _SUCCESS) {
 310                         DBG_8723A("asoc check, sta(" MAC_FMT ") is alive\n", MAC_ARG(psta->hwaddr));
 311                         psta->expire_to = pstapriv->expire_to;
 312                         psta->keep_alive_trycnt = 0;
 313                         continue;
 314                 } else if (psta->keep_alive_trycnt <= 3) {
 315                         DBG_8723A("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 316                         psta->expire_to = 1;
 317                         continue;
 318                 }
 319
 320                 psta->keep_alive_trycnt = 0;
 321
 322                 DBG_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(psta->hwaddr), psta->state);
 323                 spin_lock_bh(&pstapriv->asoc_list_lock);
 324                 if (!list_empty(&psta->asoc_list)) {
 325                         list_del_init(&psta->asoc_list);
 326                         pstapriv->asoc_list_cnt--;
 327                         updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
 328                 }
 329                 spin_unlock_bh(&pstapriv->asoc_list_lock);
 330
 331         }
 332
 333         if (backup_oper_channel > 0) /* back to the original operation channel */
 334                 SelectChannel23a(padapter, backup_oper_channel);
 335 }
 336
 337         associated_clients_update23a(padapter, updated);
 338 }
 339
 340 void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level)
 341 {
 342         int i;
 343         u8 rf_type;
 344         u32 init_rate = 0;
 345         unsigned char sta_band = 0, raid, shortGIrate = false;
 346         unsigned char limit;
 347         unsigned int tx_ra_bitmap = 0;
 348         struct ht_priv *psta_ht = NULL;
 349         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 350         struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
 351
 352         if (psta)
 353                 psta_ht = &psta->htpriv;
 354         else
 355                 return;
 356
 357         if (!(psta->state & _FW_LINKED))
 358                 return;
 359
 360         /* b/g mode ra_bitmap */
 361         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 362                 if (psta->bssrateset[i])
 363                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
 364         }
 365         /* n mode ra_bitmap */
 366         if (psta_ht->ht_option) {
 367                 rf_type = rtl8723a_get_rf_type(padapter);
 368
 369                 if (rf_type == RF_2T2R)
 370                         limit = 16;/*  2R */
 371                 else
 372                         limit = 8;/*   1R */
 373
 374                 for (i = 0; i < limit; i++) {
 375                         if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
 376                                 tx_ra_bitmap |= BIT(i + 12);
 377                 }
 378
 379                 /* max short GI rate */
 380                 shortGIrate = psta_ht->sgi;
 381         }
 382
 383         if (pcur_network->DSConfig > 14) {
 384                 /*  5G band */
 385                 if (tx_ra_bitmap & 0xffff000)
 386                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 387                 else
 388                         sta_band |= WIRELESS_11A;
 389         } else {
 390                 if (tx_ra_bitmap & 0xffff000)
 391                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 392                 else if (tx_ra_bitmap & 0xff0)
 393                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 394                 else
 395                         sta_band |= WIRELESS_11B;
 396         }
 397
 398         psta->wireless_mode = sta_band;
 399
 400         raid = networktype_to_raid23a(sta_band);
 401         init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
 402
 403         if (psta->aid < NUM_STA) {
 404                 u8 arg = 0;
 405
 406                 arg = psta->mac_id&0x1f;
 407
 408                 arg |= BIT(7);/* support entry 2~31 */
 409
 410                 if (shortGIrate == true)
 411                         arg |= BIT(5);
 412
 413                 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 414
 415                 DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = "
 416                           "0x%x\n",
 417                           __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
 418
 419                 /* bitmap[0:27] = tx_rate_bitmap */
 420                 /* bitmap[28:31]= Rate Adaptive id */
 421                 /* arg[0:4] = macid */
 422                 /* arg[5] = Short GI */
 423                 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level);
 424
 425                 if (shortGIrate == true)
 426                         init_rate |= BIT(6);
 427
 428                 /* set ra_id, init_rate */
 429                 psta->raid = raid;
 430                 psta->init_rate = init_rate;
 431
 432         } else
 433                 DBG_8723A("station aid %d exceed the max number\n", psta->aid);
 434 }
 435
 436 static void update_bmc_sta(struct rtw_adapter *padapter)
 437 {
 438         u32 init_rate = 0;
 439         unsigned char network_type, raid;
 440         int i, supportRateNum = 0;
 441         unsigned int tx_ra_bitmap = 0;
 442         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 443         struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
 444         struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter);
 445
 446         if (psta) {
 447                 psta->aid = 0;/* default set to 0 */
 448                 psta->mac_id = psta->aid + 1;
 449
 450                 psta->qos_option = 0;
 451                 psta->htpriv.ht_option = false;
 452
 453                 psta->ieee8021x_blocked = 0;
 454
 455                 memset((void *)&psta->sta_stats, 0,
 456                        sizeof(struct stainfo_stats));
 457
 458                 /* prepare for add_RATid23a */
 459                 supportRateNum = rtw_get_rateset_len23a((u8*)&pcur_network->SupportedRates);
 460                 network_type = rtw_check_network_type23a((u8*)&pcur_network->SupportedRates, supportRateNum, 1);
 461
 462                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 463                 psta->bssratelen = supportRateNum;
 464
 465                 /* b/g mode ra_bitmap */
 466                 for (i = 0; i < supportRateNum; i++) {
 467                         if (psta->bssrateset[i])
 468                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
 469                 }
 470
 471                 if (pcur_network->DSConfig > 14) {
 472                         /* force to A mode. 5G doesn't support CCK rates */
 473                         network_type = WIRELESS_11A;
 474                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 475                 } else {
 476                         /* force to b mode */
 477                         network_type = WIRELESS_11B;
 478                         tx_ra_bitmap = 0xf;
 479                 }
 480
 481                 raid = networktype_to_raid23a(network_type);
 482                 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
 483
 484                 /* ap mode */
 485                 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
 486
 487                 {
 488                         u8 arg = 0;
 489
 490                         arg = psta->mac_id&0x1f;
 491
 492                         arg |= BIT(7);
 493
 494                         tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 495
 496                         DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
 497
 498                         /* bitmap[0:27] = tx_rate_bitmap */
 499                         /* bitmap[28:31]= Rate Adaptive id */
 500                         /* arg[0:4] = macid */
 501                         /* arg[5] = Short GI */
 502                         rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0);
 503                 }
 504
 505                 /* set ra_id, init_rate */
 506                 psta->raid = raid;
 507                 psta->init_rate = init_rate;
 508
 509                 spin_lock_bh(&psta->lock);
 510                 psta->state = _FW_LINKED;
 511                 spin_unlock_bh(&psta->lock);
 512
 513         } else
 514                 DBG_8723A("add_RATid23a_bmc_sta error!\n");
 515 }
 516
 517 /* notes: */
 518 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 519 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 520 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 521 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 522 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 523
 524 void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta)
 525 {
 526         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 527         struct security_priv *psecuritypriv = &padapter->securitypriv;
 528         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 529         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
 530         struct ht_priv *phtpriv_sta = &psta->htpriv;
 531         /* set intf_tag to if1 */
 532
 533         psta->mac_id = psta->aid+1;
 534         DBG_8723A("%s\n", __func__);
 535
 536         /* ap mode */
 537         rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
 538
 539         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 540                 psta->ieee8021x_blocked = true;
 541         else
 542                 psta->ieee8021x_blocked = false;
 543
 544         /* update sta's cap */
 545
 546         /* ERP */
 547         VCS_update23a(padapter, psta);
 548         /* HT related cap */
 549         if (phtpriv_sta->ht_option) {
 550                 /* check if sta supports rx ampdu */
 551                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 552
 553                 /* check if sta support s Short GI */
 554                 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40))
 555                         phtpriv_sta->sgi = true;
 556
 557                 /*  bwmode */
 558                 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
 559                         /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */
 560                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 561                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 562
 563                 }
 564
 565                 psta->qos_option = true;
 566
 567         } else {
 568                 phtpriv_sta->ampdu_enable = false;
 569
 570                 phtpriv_sta->sgi = false;
 571                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 572                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 573         }
 574
 575         /* Rx AMPDU */
 576         send_delba23a(padapter, 0, psta->hwaddr);/*  recipient */
 577
 578         /* TX AMPDU */
 579         send_delba23a(padapter, 1, psta->hwaddr);/*  originator */
 580         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 581         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 582
 583         /* todo: init other variables */
 584
 585         memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 586
 587         spin_lock_bh(&psta->lock);
 588         psta->state |= _FW_LINKED;
 589         spin_unlock_bh(&psta->lock);
 590 }
 591
 592 static void update_hw_ht_param(struct rtw_adapter *padapter)
 593 {
 594         unsigned char max_AMPDU_len;
 595         unsigned char min_MPDU_spacing;
 596         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 597         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 598
 599         DBG_8723A("%s\n", __func__);
 600
 601         /* handle A-MPDU parameter field */
 602         /*
 603                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 604                 AMPDU_para [4:2]:Min MPDU Start Spacing
 605         */
 606         max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info &
 607                 IEEE80211_HT_AMPDU_PARM_FACTOR;
 608
 609         min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info &
 610                             IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
 611
 612         rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing);
 613         rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len);
 614
 615         /*  Config SM Power Save setting */
 616         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) &
 617                             IEEE80211_HT_CAP_SM_PS) >> 2;
 618         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 619                 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 620 }
 621
 622 static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
 623 {
 624         const u8 *p;
 625         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 626         u16 bcn_interval;
 627         u32 acparm;
 628         struct registry_priv *pregpriv = &padapter->registrypriv;
 629         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 630         struct security_priv *psecuritypriv = &padapter->securitypriv;
 631         struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network;
 632         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 633         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 634         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
 635         struct ieee80211_ht_operation *pht_info = NULL;
 636
 637         bcn_interval = (u16)pnetwork->beacon_interval;
 638         cur_channel = pnetwork->DSConfig;
 639         cur_bwmode = HT_CHANNEL_WIDTH_20;
 640         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 641
 642         /* check if there is wps ie, */
 643         /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
 644         /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
 645         if (NULL == cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 646                                             WLAN_OUI_TYPE_MICROSOFT_WPS,
 647                                             pnetwork->IEs,
 648                                             pnetwork->IELength))
 649                 pmlmeext->bstart_bss = true;
 650
 651         /* todo: update wmm, ht cap */
 652         /* pmlmeinfo->WMM_enable; */
 653         /* pmlmeinfo->HT_enable; */
 654         if (pmlmepriv->qos_option)
 655                 pmlmeinfo->WMM_enable = true;
 656         if (pmlmepriv->htpriv.ht_option) {
 657                 pmlmeinfo->WMM_enable = true;
 658                 pmlmeinfo->HT_enable = true;
 659
 660                 update_hw_ht_param(padapter);
 661         }
 662
 663         if (pmlmepriv->cur_network.join_res != true) {
 664                 /* setting only at  first time */
 665                 /* WEP Key will be set before this function, do not clear CAM. */
 666                 if (psecuritypriv->dot11PrivacyAlgrthm !=
 667                     WLAN_CIPHER_SUITE_WEP40 &&
 668                     psecuritypriv->dot11PrivacyAlgrthm !=
 669                     WLAN_CIPHER_SUITE_WEP104)
 670                         flush_all_cam_entry23a(padapter);       /* clear CAM */
 671         }
 672
 673         /* set MSR to AP_Mode */
 674         rtl8723a_set_media_status(padapter, MSR_AP);
 675
 676         /* Set BSSID REG */
 677         hw_var_set_bssid(padapter, pnetwork->MacAddress);
 678
 679         /* Set EDCA param reg */
 680         acparm = 0x002F3217; /*  VO */
 681         rtl8723a_set_ac_param_vo(padapter, acparm);
 682         acparm = 0x005E4317; /*  VI */
 683         rtl8723a_set_ac_param_vi(padapter, acparm);
 684         acparm = 0x005ea42b;
 685         rtl8723a_set_ac_param_be(padapter, acparm);
 686         acparm = 0x0000A444; /*  BK */
 687         rtl8723a_set_ac_param_bk(padapter, acparm);
 688
 689         /* Set Security */
 690         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ?
 691                 0xcc : 0xcf;
 692         rtl8723a_set_sec_cfg(padapter, val8);
 693
 694         /* Beacon Control related register */
 695         rtl8723a_set_beacon_interval(padapter, bcn_interval);
 696
 697         UpdateBrateTbl23a(padapter, pnetwork->SupportedRates);
 698         HalSetBrateCfg23a(padapter, pnetwork->SupportedRates);
 699
 700         if (!pmlmepriv->cur_network.join_res) {
 701                 /* setting only at  first time */
 702
 703                 /* disable dynamic functions, such as high power, DIG */
 704
 705                 /* turn on all dynamic functions */
 706                 rtl8723a_odm_support_ability_set(padapter,
 707                                                  DYNAMIC_ALL_FUNC_ENABLE);
 708         }
 709         /* set channel, bwmode */
 710
 711         p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs,
 712                              pnetwork->IELength);
 713         if (p && p[1]) {
 714                 pht_info = (struct ieee80211_ht_operation *)(p + 2);
 715
 716                 if (pregpriv->cbw40_enable && pht_info->ht_param &
 717                     IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
 718                         /* switch to the 40M Hz mode */
 719                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 720                         switch (pht_info->ht_param &
 721                                 IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
 722                         case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 723                                 /* pmlmeext->cur_ch_offset =
 724                                    HAL_PRIME_CHNL_OFFSET_LOWER; */
 725                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 726                                 break;
 727                         case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
 728                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 729                                 break;
 730                         default:
 731                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 732                                 break;
 733                         }
 734                 }
 735         }
 736         /* TODO: need to judge the phy parameters on concurrent mode for single phy */
 737         set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 738
 739         DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
 740                   cur_ch_offset);
 741
 742         pmlmeext->cur_channel = cur_channel;
 743         pmlmeext->cur_bwmode = cur_bwmode;
 744         pmlmeext->cur_ch_offset = cur_ch_offset;
 745         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 746
 747         /* update cur_wireless_mode */
 748         update_wireless_mode23a(padapter);
 749
 750         /* update capability after cur_wireless_mode updated */
 751         update_capinfo23a(padapter, pnetwork->capability);
 752
 753         /* let pnetwork_mlmeext == pnetwork_mlme. */
 754         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 755
 756         if (pmlmeext->bstart_bss) {
 757                 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
 758
 759                 /* issue beacon frame */
 760                 if (send_beacon23a(padapter) == _FAIL)
 761                         DBG_8723A("issue_beacon23a, fail!\n");
 762         }
 763
 764         /* update bc/mc sta_info */
 765         update_bmc_sta(padapter);
 766 }
 767
 768 int rtw_check_beacon_data23a(struct rtw_adapter *padapter,
 769                              struct ieee80211_mgmt *mgmt, unsigned int len)
 770 {
 771         int ret = _SUCCESS;
 772         u8 *p;
 773         u8 *pHT_caps_ie = NULL;
 774         u8 *pHT_info_ie = NULL;
 775         struct sta_info *psta = NULL;
 776         u16 ht_cap = false;
 777         uint ie_len = 0;
 778         int group_cipher, pairwise_cipher;
 779         u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 780         int supportRateNum = 0;
 781         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 782         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 783         struct security_priv *psecuritypriv = &padapter->securitypriv;
 784         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 785         struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
 786         u8 *ie = pbss_network->IEs;
 787         u8 *pbuf = mgmt->u.beacon.variable;
 788         len -= offsetof(struct ieee80211_mgmt, u.beacon.variable);
 789         /* SSID */
 790         /* Supported rates */
 791         /* DS Params */
 792         /* WLAN_EID_COUNTRY */
 793         /* ERP Information element */
 794         /* Extended supported rates */
 795         /* WPA/WPA2 */
 796         /* Wi-Fi Wireless Multimedia Extensions */
 797         /* ht_capab, ht_oper */
 798         /* WPS IE */
 799
 800         DBG_8723A("%s, len =%d\n", __func__, len);
 801
 802         if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
 803                 return _FAIL;
 804
 805         if (len > MAX_IE_SZ)
 806                 return _FAIL;
 807
 808         pbss_network->IELength = len;
 809
 810         memset(ie, 0, MAX_IE_SZ);
 811
 812         memcpy(ie, pbuf, pbss_network->IELength);
 813
 814         if (pbss_network->ifmode != NL80211_IFTYPE_AP &&
 815             pbss_network->ifmode != NL80211_IFTYPE_P2P_GO)
 816                 return _FAIL;
 817
 818         pbss_network->Rssi = 0;
 819
 820         memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN);
 821
 822         /* SSID */
 823         p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength);
 824         if (p && ie_len > 0) {
 825                 memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid));
 826                 memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len);
 827                 pbss_network->Ssid.ssid_len = ie_len;
 828         }
 829
 830         /* channel */
 831         channel = 0;
 832         p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len,
 833                           pbss_network->IELength);
 834         if (p && ie_len > 0)
 835                 channel = *(p + 2);
 836
 837         pbss_network->DSConfig = channel;
 838
 839         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 840         /*  get supported rates */
 841         p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len,
 842                           pbss_network->IELength);
 843         if (p) {
 844                 memcpy(supportRate, p+2, ie_len);
 845                 supportRateNum = ie_len;
 846         }
 847
 848         /* get ext_supported rates */
 849         p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES,
 850                           &ie_len, pbss_network->IELength);
 851         if (p) {
 852                 memcpy(supportRate+supportRateNum, p+2, ie_len);
 853                 supportRateNum += ie_len;
 854         }
 855
 856         network_type = rtw_check_network_type23a(supportRate,
 857                                                  supportRateNum, channel);
 858
 859         rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type);
 860
 861         /* parsing ERP_IE */
 862         p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len,
 863                           pbss_network->IELength);
 864         if (p && ie_len > 0)
 865                 ERP_IE_handler23a(padapter, p);
 866
 867         /* update privacy/security */
 868         if (pbss_network->capability & BIT(4))
 869                 pbss_network->Privacy = 1;
 870         else
 871                 pbss_network->Privacy = 0;
 872
 873         psecuritypriv->wpa_psk = 0;
 874
 875         /* wpa2 */
 876         group_cipher = 0; pairwise_cipher = 0;
 877         psecuritypriv->wpa2_group_cipher = 0;
 878         psecuritypriv->wpa2_pairwise_cipher = 0;
 879         p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len,
 880                           pbss_network->IELength);
 881         if (p && ie_len > 0) {
 882                 if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher,
 883                                          &pairwise_cipher, NULL) == _SUCCESS) {
 884                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 885
 886                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 887                         psecuritypriv->wpa_psk |= BIT(1);
 888
 889                         psecuritypriv->wpa2_group_cipher = group_cipher;
 890                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 891                 }
 892         }
 893
 894         /* wpa */
 895         ie_len = 0;
 896         group_cipher = 0;
 897         pairwise_cipher = 0;
 898         psecuritypriv->wpa_group_cipher = 0;
 899         psecuritypriv->wpa_pairwise_cipher = 0;
 900         for (p = ie; ;p += (ie_len + 2)) {
 901                 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
 902                                   pbss_network->IELength - (ie_len + 2));
 903                 if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) {
 904                         if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher,
 905                                                 &pairwise_cipher, NULL) == _SUCCESS) {
 906                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 907
 908                                 /* psk,  todo:802.1x */
 909                                 psecuritypriv->dot8021xalg = 1;
 910
 911                                 psecuritypriv->wpa_psk |= BIT(0);
 912
 913                                 psecuritypriv->wpa_group_cipher = group_cipher;
 914                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
 915                         }
 916                         break;
 917                 }
 918
 919                 if ((p == NULL) || (ie_len == 0))
 920                                 break;
 921         }
 922
 923         /* wmm */
 924         ie_len = 0;
 925         pmlmepriv->qos_option = 0;
 926         if (pregistrypriv->wmm_enable) {
 927                 for (p = ie; ;p += (ie_len + 2)) {
 928                         p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
 929                                           (pbss_network->IELength -
 930                                            (ie_len + 2)));
 931                         if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
 932                                 pmlmepriv->qos_option = 1;
 933
 934                                 *(p+8) |= BIT(7);/* QoS Info, support U-APSD */
 935
 936                                 /* disable all ACM bits since the WMM admission
 937                                  * control is not supported
 938                                  */
 939                                 *(p + 10) &= ~BIT(4); /* BE */
 940                                 *(p + 14) &= ~BIT(4); /* BK */
 941                                 *(p + 18) &= ~BIT(4); /* VI */
 942                                 *(p + 22) &= ~BIT(4); /* VO */
 943                                 break;
 944                         }
 945                         if ((p == NULL) || (ie_len == 0))
 946                                 break;
 947                 }
 948         }
 949         /* parsing HT_CAP_IE */
 950         p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len,
 951                           pbss_network->IELength);
 952         if (p && ie_len > 0) {
 953                 u8 rf_type;
 954
 955                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2);
 956
 957                 pHT_caps_ie = p;
 958
 959                 ht_cap = true;
 960                 network_type |= WIRELESS_11_24N;
 961
 962                 rf_type = rtl8723a_get_rf_type(padapter);
 963
 964                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
 965                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
 966                         pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2));
 967                 else
 968                         pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00);
 969
 970                 /* set  Max Rx AMPDU size  to 64K */
 971                 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
 972
 973                 if (rf_type == RF_1T1R) {
 974                         pht_cap->mcs.rx_mask[0] = 0xff;
 975                         pht_cap->mcs.rx_mask[1] = 0x0;
 976                 }
 977
 978                 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
 979         }
 980
 981         /* parsing HT_INFO_IE */
 982         p = rtw_get_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len,
 983                           pbss_network->IELength);
 984         if (p && ie_len > 0)
 985                 pHT_info_ie = p;
 986
 987         pmlmepriv->cur_network.network_type = network_type;
 988
 989         pmlmepriv->htpriv.ht_option = false;
 990
 991         /* ht_cap */
 992         if (pregistrypriv->ht_enable && ht_cap) {
 993                 pmlmepriv->htpriv.ht_option = true;
 994                 pmlmepriv->qos_option = 1;
 995
 996                 if (pregistrypriv->ampdu_enable == 1)
 997                         pmlmepriv->htpriv.ampdu_enable = true;
 998
 999                 HT_caps_handler23a(padapter, pHT_caps_ie);
1000
1001                 HT_info_handler23a(padapter, pHT_info_ie);
1002         }
1003
1004         pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network);
1005
1006         /* issue beacon to start bss network */
1007         start_bss_network(padapter, (u8 *)pbss_network);
1008
1009         /* alloc sta_info for ap itself */
1010         psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1011         if (!psta) {
1012                 psta = rtw_alloc_stainfo23a(&padapter->stapriv,
1013                                             pbss_network->MacAddress,
1014                                             GFP_KERNEL);
1015                 if (!psta)
1016                         return _FAIL;
1017         }
1018         /* fix bug of flush_cam_entry at STOP AP mode */
1019         psta->state |= WIFI_AP_STATE;
1020         rtw_indicate_connect23a(padapter);
1021
1022         /* for check if already set beacon */
1023         pmlmepriv->cur_network.join_res = true;
1024
1025         return ret;
1026 }
1027
1028 void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode)
1029 {
1030         struct sta_priv *pstapriv = &padapter->stapriv;
1031         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1032
1033         DBG_8723A("%s, mode =%d\n", __func__, mode);
1034
1035         pacl_list->mode = mode;
1036 }
1037
1038 int rtw_acl_add_sta23a(struct rtw_adapter *padapter, u8 *addr)
1039 {
1040         struct list_head *plist, *phead;
1041         u8 added = false;
1042         int i, ret = 0;
1043         struct rtw_wlan_acl_node *paclnode;
1044         struct sta_priv *pstapriv = &padapter->stapriv;
1045         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1046         struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1047
1048         DBG_8723A("%s(acl_num =%d) =" MAC_FMT "\n", __func__, pacl_list->num, MAC_ARG(addr));
1049
1050         if ((NUM_ACL-1) < pacl_list->num)
1051                 return -1;
1052
1053         spin_lock_bh(&pacl_node_q->lock);
1054
1055         phead = get_list_head(pacl_node_q);
1056
1057         list_for_each(plist, phead) {
1058                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1059
1060                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1061                         if (paclnode->valid == true) {
1062                                 added = true;
1063                                 DBG_8723A("%s, sta has been added\n", __func__);
1064                                 break;
1065                         }
1066                 }
1067         }
1068
1069         spin_unlock_bh(&pacl_node_q->lock);
1070
1071         if (added)
1072                 return ret;
1073
1074         spin_lock_bh(&pacl_node_q->lock);
1075
1076         for (i = 0; i < NUM_ACL; i++) {
1077                 paclnode = &pacl_list->aclnode[i];
1078
1079                 if (!paclnode->valid) {
1080                         INIT_LIST_HEAD(&paclnode->list);
1081
1082                         memcpy(paclnode->addr, addr, ETH_ALEN);
1083
1084                         paclnode->valid = true;
1085
1086                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1087
1088                         pacl_list->num++;
1089
1090                         break;
1091                 }
1092         }
1093
1094         DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1095
1096         spin_unlock_bh(&pacl_node_q->lock);
1097         return ret;
1098 }
1099
1100 int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr)
1101 {
1102         struct list_head *plist, *phead, *ptmp;
1103         struct rtw_wlan_acl_node *paclnode;
1104         struct sta_priv *pstapriv = &padapter->stapriv;
1105         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1106         struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1107
1108         DBG_8723A("%s(acl_num =%d) = %pM\n", __func__, pacl_list->num, addr);
1109
1110         spin_lock_bh(&pacl_node_q->lock);
1111
1112         phead = get_list_head(pacl_node_q);
1113
1114         list_for_each_safe(plist, ptmp, phead) {
1115                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1116
1117                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1118                         if (paclnode->valid) {
1119                                 paclnode->valid = false;
1120
1121                                 list_del_init(&paclnode->list);
1122
1123                                 pacl_list->num--;
1124                         }
1125                 }
1126         }
1127
1128         spin_unlock_bh(&pacl_node_q->lock);
1129
1130         DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1131
1132         return 0;
1133 }
1134
1135 static void update_bcn_fixed_ie(struct rtw_adapter *padapter)
1136 {
1137         DBG_8723A("%s\n", __func__);
1138 }
1139
1140 static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter)
1141 {
1142         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1143         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1144         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1145         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1146         unsigned char *p, *ie = pnetwork->IEs;
1147         u32 len = 0;
1148
1149         DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1150
1151         if (!pmlmeinfo->ERP_enable)
1152                 return;
1153
1154         /* parsing ERP_IE */
1155         p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength);
1156         if (p && len > 0) {
1157                 if (pmlmepriv->num_sta_non_erp == 1)
1158                         p[2] |= WLAN_ERP_NON_ERP_PRESENT |
1159                                 WLAN_ERP_USE_PROTECTION;
1160                 else
1161                         p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT |
1162                                   WLAN_ERP_USE_PROTECTION);
1163
1164                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1165                         p[2] |= WLAN_ERP_BARKER_PREAMBLE;
1166                 else
1167                         p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE);
1168
1169                 ERP_IE_handler23a(padapter, p);
1170         }
1171 }
1172
1173 static void update_bcn_htcap_ie(struct rtw_adapter *padapter)
1174 {
1175         DBG_8723A("%s\n", __func__);
1176 }
1177
1178 static void update_bcn_htinfo_ie(struct rtw_adapter *padapter)
1179 {
1180         DBG_8723A("%s\n", __func__);
1181 }
1182
1183 static void update_bcn_rsn_ie(struct rtw_adapter *padapter)
1184 {
1185         DBG_8723A("%s\n", __func__);
1186 }
1187
1188 static void update_bcn_wpa_ie(struct rtw_adapter *padapter)
1189 {
1190         DBG_8723A("%s\n", __func__);
1191 }
1192
1193 static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
1194 {
1195         DBG_8723A("%s\n", __func__);
1196 }
1197
1198 static void update_bcn_wps_ie(struct rtw_adapter *padapter)
1199 {
1200         DBG_8723A("%s\n", __func__);
1201 }
1202
1203 static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
1204 {
1205 }
1206
1207 static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8*oui)
1208 {
1209         DBG_8723A("%s\n", __func__);
1210
1211         if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4))
1212                 update_bcn_wpa_ie(padapter);
1213         else if (!memcmp(WMM_OUI23A, oui, 4))
1214                 update_bcn_wmm_ie(padapter);
1215         else if (!memcmp(WPS_OUI23A, oui, 4))
1216                 update_bcn_wps_ie(padapter);
1217         else if (!memcmp(P2P_OUI23A, oui, 4))
1218                 update_bcn_p2p_ie(padapter);
1219         else
1220                 DBG_8723A("unknown OUI type!\n");
1221 }
1222
1223 void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1224 {
1225         struct mlme_priv *pmlmepriv;
1226         struct mlme_ext_priv *pmlmeext;
1227         /* struct mlme_ext_info *pmlmeinfo; */
1228
1229         /* DBG_8723A("%s\n", __func__); */
1230
1231         if (!padapter)
1232                 return;
1233
1234         pmlmepriv = &padapter->mlmepriv;
1235         pmlmeext = &padapter->mlmeextpriv;
1236         /* pmlmeinfo = &pmlmeext->mlmext_info; */
1237
1238         if (false == pmlmeext->bstart_bss)
1239                 return;
1240
1241         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1242
1243         switch (ie_id) {
1244         case 0xFF:
1245                 /* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1246                 update_bcn_fixed_ie(padapter);
1247                 break;
1248
1249         case WLAN_EID_TIM:
1250                 update_BCNTIM(padapter);
1251                 break;
1252
1253         case WLAN_EID_ERP_INFO:
1254                 update_bcn_erpinfo_ie(padapter);
1255                 break;
1256
1257         case WLAN_EID_HT_CAPABILITY:
1258                 update_bcn_htcap_ie(padapter);
1259                 break;
1260
1261         case WLAN_EID_RSN:
1262                 update_bcn_rsn_ie(padapter);
1263                 break;
1264
1265         case WLAN_EID_HT_OPERATION:
1266                 update_bcn_htinfo_ie(padapter);
1267                 break;
1268
1269         case WLAN_EID_VENDOR_SPECIFIC:
1270                 update_bcn_vendor_spec_ie(padapter, oui);
1271                 break;
1272
1273         default:
1274                 break;
1275         }
1276
1277         pmlmepriv->update_bcn = true;
1278
1279         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1280
1281         if (tx)
1282                 set_tx_beacon_cmd23a(padapter);
1283 }
1284
1285 /*
1286 op_mode
1287 Set to 0 (HT pure) under the following conditions
1288         - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1289         - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1290 Set to 1 (HT non-member protection) if there may be non-HT STAs
1291         in both the primary and the secondary channel
1292 Set to 2 if only HT STAs are associated in BSS,
1293         however and at least one 20 MHz HT STA is associated
1294 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1295         (currently non-GF HT station is considered as non-HT STA also)
1296 */
1297 static int rtw_ht_operation_update(struct rtw_adapter *padapter)
1298 {
1299         u16 cur_op_mode, new_op_mode;
1300         int op_mode_changes = 0;
1301         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1302         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1303
1304         if (pmlmepriv->htpriv.ht_option)
1305                 return 0;
1306
1307         /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */
1308         /*      return 0; */
1309
1310         DBG_8723A("%s current operation mode = 0x%X\n",
1311                    __func__, pmlmepriv->ht_op_mode);
1312
1313         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1314             && pmlmepriv->num_sta_ht_no_gf) {
1315                 pmlmepriv->ht_op_mode |=
1316                         IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1317                 op_mode_changes++;
1318         } else if ((pmlmepriv->ht_op_mode &
1319                     IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1320                    pmlmepriv->num_sta_ht_no_gf == 0) {
1321                 pmlmepriv->ht_op_mode &=
1322                         ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1323                 op_mode_changes++;
1324         }
1325
1326         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1327             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1328                 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1329                 op_mode_changes++;
1330         } else if ((pmlmepriv->ht_op_mode &
1331                     IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1332                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1333                 pmlmepriv->ht_op_mode &=
1334                         ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1335                 op_mode_changes++;
1336         }
1337
1338         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1339          * station is associated. Probably it's a theoretical case, since
1340          * it looks like all known HT STAs support greenfield.
1341          */
1342         if (pmlmepriv->num_sta_no_ht ||
1343             (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1344                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1345         else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1346                   IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
1347                  pmlmepriv->num_sta_ht_20mhz)
1348                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1349         else if (pmlmepriv->olbc_ht)
1350                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1351         else
1352                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1353
1354         cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1355         if (cur_op_mode != new_op_mode) {
1356                 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1357                 pmlmepriv->ht_op_mode |= new_op_mode;
1358                 op_mode_changes++;
1359         }
1360
1361         DBG_8723A("%s new operation mode = 0x%X changes =%d\n",
1362                    __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1363
1364         return op_mode_changes;
1365 }
1366
1367 void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated)
1368 {
1369         /* update associated stations cap. */
1370         if (updated == true) {
1371                 struct list_head *phead, *plist, *ptmp;
1372                 struct sta_info *psta;
1373                 struct sta_priv *pstapriv = &padapter->stapriv;
1374
1375                 spin_lock_bh(&pstapriv->asoc_list_lock);
1376
1377                 phead = &pstapriv->asoc_list;
1378
1379                 list_for_each_safe(plist, ptmp, phead) {
1380                         psta = container_of(plist, struct sta_info, asoc_list);
1381
1382                         VCS_update23a(padapter, psta);
1383                 }
1384
1385                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1386         }
1387 }
1388
1389 /* called > TSR LEVEL for USB or SDIO Interface*/
1390 void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta)
1391 {
1392         u8 beacon_updated = false;
1393         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1394         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1395
1396         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1397                 if (!psta->no_short_preamble_set) {
1398                         psta->no_short_preamble_set = 1;
1399
1400                         pmlmepriv->num_sta_no_short_preamble++;
1401
1402                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1403                                 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1404                                 beacon_updated = true;
1405                                 update_beacon23a(padapter, 0xFF, NULL, true);
1406                         }
1407
1408                 }
1409         } else {
1410                 if (psta->no_short_preamble_set) {
1411                         psta->no_short_preamble_set = 0;
1412
1413                         pmlmepriv->num_sta_no_short_preamble--;
1414
1415                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1416                                 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1417                                 beacon_updated = true;
1418                                 update_beacon23a(padapter, 0xFF, NULL, true);
1419                         }
1420
1421                 }
1422         }
1423
1424         if (psta->flags & WLAN_STA_NONERP) {
1425                 if (!psta->nonerp_set) {
1426                         psta->nonerp_set = 1;
1427
1428                         pmlmepriv->num_sta_non_erp++;
1429
1430                         if (pmlmepriv->num_sta_non_erp == 1) {
1431                                 beacon_updated = true;
1432                                 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1433                         }
1434                 }
1435
1436         } else {
1437                 if (psta->nonerp_set) {
1438                         psta->nonerp_set = 0;
1439
1440                         pmlmepriv->num_sta_non_erp--;
1441
1442                         if (pmlmepriv->num_sta_non_erp == 0) {
1443                                 beacon_updated = true;
1444                                 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1445                         }
1446                 }
1447
1448         }
1449
1450         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1451                 if (!psta->no_short_slot_time_set) {
1452                         psta->no_short_slot_time_set = 1;
1453
1454                         pmlmepriv->num_sta_no_short_slot_time++;
1455
1456                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1457                                  (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1458                                 beacon_updated = true;
1459                                 update_beacon23a(padapter, 0xFF, NULL, true);
1460                         }
1461
1462                 }
1463         } else {
1464                 if (psta->no_short_slot_time_set) {
1465                         psta->no_short_slot_time_set = 0;
1466
1467                         pmlmepriv->num_sta_no_short_slot_time--;
1468
1469                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1470                                  (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1471                                 beacon_updated = true;
1472                                 update_beacon23a(padapter, 0xFF, NULL, true);
1473                         }
1474                 }
1475         }
1476
1477         if (psta->flags & WLAN_STA_HT) {
1478                 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1479
1480                 DBG_8723A("HT: STA " MAC_FMT " HT Capabilities "
1481                            "Info: 0x%04x\n", MAC_ARG(psta->hwaddr), ht_capab);
1482
1483                 if (psta->no_ht_set) {
1484                         psta->no_ht_set = 0;
1485                         pmlmepriv->num_sta_no_ht--;
1486                 }
1487
1488                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1489                         if (!psta->no_ht_gf_set) {
1490                                 psta->no_ht_gf_set = 1;
1491                                 pmlmepriv->num_sta_ht_no_gf++;
1492                         }
1493                         DBG_8723A("%s STA " MAC_FMT " - no "
1494                                    "greenfield, num of non-gf stations %d\n",
1495                                    __func__, MAC_ARG(psta->hwaddr),
1496                                    pmlmepriv->num_sta_ht_no_gf);
1497                 }
1498
1499                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1500                         if (!psta->ht_20mhz_set) {
1501                                 psta->ht_20mhz_set = 1;
1502                                 pmlmepriv->num_sta_ht_20mhz++;
1503                         }
1504                         DBG_8723A("%s STA " MAC_FMT " - 20 MHz HT, "
1505                                    "num of 20MHz HT STAs %d\n",
1506                                    __func__, MAC_ARG(psta->hwaddr),
1507                                    pmlmepriv->num_sta_ht_20mhz);
1508                 }
1509
1510         } else {
1511                 if (!psta->no_ht_set) {
1512                         psta->no_ht_set = 1;
1513                         pmlmepriv->num_sta_no_ht++;
1514                 }
1515                 if (pmlmepriv->htpriv.ht_option) {
1516                         DBG_8723A("%s STA " MAC_FMT
1517                                    " - no HT, num of non-HT stations %d\n",
1518                                    __func__, MAC_ARG(psta->hwaddr),
1519                                    pmlmepriv->num_sta_no_ht);
1520                 }
1521         }
1522
1523         if (rtw_ht_operation_update(padapter) > 0) {
1524                 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1525                 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1526         }
1527
1528         /* update associated stations cap. */
1529         associated_clients_update23a(padapter,  beacon_updated);
1530
1531         DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1532 }
1533
1534 u8 bss_cap_update_on_sta_leave23a(struct rtw_adapter *padapter, struct sta_info *psta)
1535 {
1536         u8 beacon_updated = false;
1537         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1538         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1539
1540         if (!psta)
1541                 return beacon_updated;
1542
1543         if (psta->no_short_preamble_set) {
1544                 psta->no_short_preamble_set = 0;
1545                 pmlmepriv->num_sta_no_short_preamble--;
1546                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1547                     && pmlmepriv->num_sta_no_short_preamble == 0) {
1548                         beacon_updated = true;
1549                         update_beacon23a(padapter, 0xFF, NULL, true);
1550                 }
1551         }
1552
1553         if (psta->nonerp_set) {
1554                 psta->nonerp_set = 0;
1555                 pmlmepriv->num_sta_non_erp--;
1556                 if (pmlmepriv->num_sta_non_erp == 0) {
1557                         beacon_updated = true;
1558                         update_beacon23a(padapter, WLAN_EID_ERP_INFO,
1559                                          NULL, true);
1560                 }
1561         }
1562
1563         if (psta->no_short_slot_time_set) {
1564                 psta->no_short_slot_time_set = 0;
1565                 pmlmepriv->num_sta_no_short_slot_time--;
1566                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1567                     && pmlmepriv->num_sta_no_short_slot_time == 0) {
1568                         beacon_updated = true;
1569                         update_beacon23a(padapter, 0xFF, NULL, true);
1570                 }
1571         }
1572
1573         if (psta->no_ht_gf_set) {
1574                 psta->no_ht_gf_set = 0;
1575                 pmlmepriv->num_sta_ht_no_gf--;
1576         }
1577
1578         if (psta->no_ht_set) {
1579                 psta->no_ht_set = 0;
1580                 pmlmepriv->num_sta_no_ht--;
1581         }
1582
1583         if (psta->ht_20mhz_set) {
1584                 psta->ht_20mhz_set = 0;
1585                 pmlmepriv->num_sta_ht_20mhz--;
1586         }
1587
1588         if (rtw_ht_operation_update(padapter) > 0) {
1589                 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1590                 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1591         }
1592
1593         /* update associated stations cap. */
1594
1595         DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1596
1597         return beacon_updated;
1598 }
1599
1600 u8 ap_free_sta23a(struct rtw_adapter *padapter, struct sta_info *psta, bool active, u16 reason)
1601 {
1602         struct sta_priv *pstapriv = &padapter->stapriv;
1603         u8 beacon_updated = false;
1604
1605         if (!psta)
1606                 return beacon_updated;
1607
1608         if (active) {
1609                 /* tear down Rx AMPDU */
1610                 send_delba23a(padapter, 0, psta->hwaddr);/*  recipient */
1611
1612                 /* tear down TX AMPDU */
1613                 send_delba23a(padapter, 1, psta->hwaddr);/* originator */
1614
1615                 issue_deauth23a(padapter, psta->hwaddr, reason);
1616         }
1617
1618         psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1619         psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1620
1621         /* report_del_sta_event23a(padapter, psta->hwaddr, reason); */
1622
1623         /* clear cam entry / key */
1624         /* clear_cam_entry23a(padapter, (psta->mac_id + 3)); */
1625         rtw_clearstakey_cmd23a(padapter, (u8 *)psta, (u8)(psta->mac_id + 3),
1626                                true);
1627
1628         spin_lock_bh(&psta->lock);
1629         psta->state &= ~_FW_LINKED;
1630         spin_unlock_bh(&psta->lock);
1631
1632         rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1633
1634         report_del_sta_event23a(padapter, psta->hwaddr, reason);
1635
1636         beacon_updated = bss_cap_update_on_sta_leave23a(padapter, psta);
1637
1638         spin_lock_bh(&pstapriv->sta_hash_lock);
1639         rtw_free_stainfo23a(padapter, psta);
1640         spin_unlock_bh(&pstapriv->sta_hash_lock);
1641
1642         return beacon_updated;
1643 }
1644
1645 int rtw_ap_inform_ch_switch23a (struct rtw_adapter *padapter, u8 new_ch, u8 ch_offset)
1646 {
1647         struct list_head *phead, *plist;
1648         struct sta_info *psta = NULL;
1649         struct sta_priv *pstapriv = &padapter->stapriv;
1650         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1651         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1652         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1653
1654         if ((pmlmeinfo->state&0x03) != MSR_AP)
1655                 return 0;
1656
1657         DBG_8723A("%s(%s): with ch:%u, offset:%u\n", __func__,
1658                   padapter->pnetdev->name, new_ch, ch_offset);
1659
1660         spin_lock_bh(&pstapriv->asoc_list_lock);
1661         phead = &pstapriv->asoc_list;
1662
1663         list_for_each(plist, phead) {
1664                 psta = container_of(plist, struct sta_info, asoc_list);
1665
1666                 issue_action_spct_ch_switch23a (padapter, psta->hwaddr, new_ch, ch_offset);
1667                 psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
1668         }
1669         spin_unlock_bh(&pstapriv->asoc_list_lock);
1670
1671         issue_action_spct_ch_switch23a (padapter, bc_addr, new_ch, ch_offset);
1672
1673         return 0;
1674 }
1675
1676 int rtw_sta_flush23a(struct rtw_adapter *padapter)
1677 {
1678         struct list_head *phead, *plist, *ptmp;
1679         struct sta_info *psta;
1680         struct sta_priv *pstapriv = &padapter->stapriv;
1681         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1682         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1683         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1684         u8 chk_alive_num = 0;
1685         struct sta_info *chk_alive_list[NUM_STA];
1686         int i;
1687
1688         DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name);
1689
1690         if ((pmlmeinfo->state&0x03) != MSR_AP)
1691                 return 0;
1692
1693         spin_lock_bh(&pstapriv->asoc_list_lock);
1694         phead = &pstapriv->asoc_list;
1695
1696         list_for_each_safe(plist, ptmp, phead) {
1697                 psta = container_of(plist, struct sta_info, asoc_list);
1698
1699                 /* Remove sta from asoc_list */
1700                 list_del_init(&psta->asoc_list);
1701                 pstapriv->asoc_list_cnt--;
1702
1703                 /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */
1704                 chk_alive_list[chk_alive_num++] = psta;
1705         }
1706         spin_unlock_bh(&pstapriv->asoc_list_lock);
1707
1708         /* For each sta in chk_alive_list, call ap_free_sta23a */
1709         for (i = 0; i < chk_alive_num; i++)
1710                 ap_free_sta23a(padapter, chk_alive_list[i], true,
1711                                WLAN_REASON_DEAUTH_LEAVING);
1712
1713         issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1714
1715         associated_clients_update23a(padapter, true);
1716
1717         return 0;
1718 }
1719
1720 /* called > TSR LEVEL for USB or SDIO Interface*/
1721 void sta_info_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1722 {
1723         int flags = psta->flags;
1724         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1725
1726         /* update wmm cap. */
1727         if (WLAN_STA_WME&flags)
1728                 psta->qos_option = 1;
1729         else
1730                 psta->qos_option = 0;
1731
1732         if (pmlmepriv->qos_option == 0)
1733                 psta->qos_option = 0;
1734
1735         /* update 802.11n ht cap. */
1736         if (WLAN_STA_HT&flags) {
1737                 psta->htpriv.ht_option = true;
1738                 psta->qos_option = 1;
1739         } else {
1740                 psta->htpriv.ht_option = false;
1741         }
1742
1743         if (!pmlmepriv->htpriv.ht_option)
1744                 psta->htpriv.ht_option = false;
1745
1746         update_sta_info23a_apmode23a(padapter, psta);
1747 }
1748
1749 /* called >= TSR LEVEL for USB or SDIO Interface*/
1750 void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1751 {
1752         if (psta->state & _FW_LINKED) {
1753                 /* add ratid */
1754                 add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */
1755         }
1756 }
1757
1758 /* restore hw setting from sw data structures */
1759 void rtw_ap_restore_network(struct rtw_adapter *padapter)
1760 {
1761         struct mlme_priv *mlmepriv = &padapter->mlmepriv;
1762         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1763         struct sta_priv *pstapriv = &padapter->stapriv;
1764         struct sta_info *psta;
1765         struct security_priv *psecuritypriv = &padapter->securitypriv;
1766         struct list_head *phead, *plist, *ptmp;
1767         u8 chk_alive_num = 0;
1768         struct sta_info *chk_alive_list[NUM_STA];
1769         int i;
1770
1771         rtw_setopmode_cmd23a(padapter, NL80211_IFTYPE_AP);
1772
1773         set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
1774
1775         start_bss_network(padapter, (u8 *)&mlmepriv->cur_network.network);
1776
1777         if (padapter->securitypriv.dot11PrivacyAlgrthm ==
1778             WLAN_CIPHER_SUITE_TKIP ||
1779             padapter->securitypriv.dot11PrivacyAlgrthm ==
1780             WLAN_CIPHER_SUITE_CCMP) {
1781                 /* restore group key, WEP keys is restored in ips_leave23a() */
1782                 rtw_set_key23a(padapter, psecuritypriv,
1783                                psecuritypriv->dot118021XGrpKeyid, 0);
1784         }
1785
1786         /* per sta pairwise key and settings */
1787         if (padapter->securitypriv.dot11PrivacyAlgrthm !=
1788             WLAN_CIPHER_SUITE_TKIP &&
1789             padapter->securitypriv.dot11PrivacyAlgrthm !=
1790             WLAN_CIPHER_SUITE_CCMP) {
1791                 return;
1792         }
1793
1794         spin_lock_bh(&pstapriv->asoc_list_lock);
1795
1796         phead = &pstapriv->asoc_list;
1797
1798         list_for_each_safe(plist, ptmp, phead) {
1799                 psta = container_of(plist, struct sta_info, asoc_list);
1800
1801                 chk_alive_list[chk_alive_num++] = psta;
1802         }
1803
1804         spin_unlock_bh(&pstapriv->asoc_list_lock);
1805
1806         for (i = 0; i < chk_alive_num; i++) {
1807                 psta = chk_alive_list[i];
1808
1809                 if (psta->state & _FW_LINKED) {
1810                         Update_RA_Entry23a(padapter, psta);
1811                         /* pairwise key */
1812                         rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true);
1813                 }
1814         }
1815 }
1816
1817 void start_ap_mode23a(struct rtw_adapter *padapter)
1818 {
1819         int i;
1820         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1821         struct sta_priv *pstapriv = &padapter->stapriv;
1822         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1823         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1824
1825         pmlmepriv->update_bcn = false;
1826
1827         /* init_mlme_ap_info23a(padapter); */
1828         pmlmeext->bstart_bss = false;
1829
1830         pmlmepriv->num_sta_non_erp = 0;
1831
1832         pmlmepriv->num_sta_no_short_slot_time = 0;
1833
1834         pmlmepriv->num_sta_no_short_preamble = 0;
1835
1836         pmlmepriv->num_sta_ht_no_gf = 0;
1837         pmlmepriv->num_sta_no_ht = 0;
1838         pmlmepriv->num_sta_ht_20mhz = 0;
1839
1840         pmlmepriv->olbc = false;
1841
1842         pmlmepriv->olbc_ht = false;
1843
1844         pmlmepriv->ht_op_mode = 0;
1845
1846         for (i = 0; i < NUM_STA; i++)
1847                 pstapriv->sta_aid[i] = NULL;
1848
1849         /* for ACL */
1850         INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1851         pacl_list->num = 0;
1852         pacl_list->mode = 0;
1853         for (i = 0; i < NUM_ACL; i++) {
1854                 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1855                 pacl_list->aclnode[i].valid = false;
1856         }
1857 }
1858
1859 void stop_ap_mode23a(struct rtw_adapter *padapter)
1860 {
1861         struct list_head *phead, *plist, *ptmp;
1862         struct rtw_wlan_acl_node *paclnode;
1863         struct sta_info *psta = NULL;
1864         struct sta_priv *pstapriv = &padapter->stapriv;
1865         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1866         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1867         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1868         struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1869
1870         pmlmepriv->update_bcn = false;
1871         pmlmeext->bstart_bss = false;
1872
1873         /* reset and init security priv , this can refine with rtw_reset_securitypriv23a */
1874         memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv));
1875         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1876         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1877
1878         /* for ACL */
1879         spin_lock_bh(&pacl_node_q->lock);
1880         phead = get_list_head(pacl_node_q);
1881
1882         list_for_each_safe(plist, ptmp, phead) {
1883                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1884
1885                 if (paclnode->valid == true) {
1886                         paclnode->valid = false;
1887
1888                         list_del_init(&paclnode->list);
1889
1890                         pacl_list->num--;
1891                 }
1892         }
1893         spin_unlock_bh(&pacl_node_q->lock);
1894
1895         DBG_8723A("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1896
1897         rtw_sta_flush23a(padapter);
1898
1899         /* free_assoc_sta_resources */
1900         rtw_free_all_stainfo23a(padapter);
1901
1902         psta = rtw_get_bcmc_stainfo23a(padapter);
1903         spin_lock_bh(&pstapriv->sta_hash_lock);
1904         rtw_free_stainfo23a(padapter, psta);
1905         spin_unlock_bh(&pstapriv->sta_hash_lock);
1906
1907         rtw_init_bcmc_stainfo23a(padapter);
1908
1909         rtw23a_free_mlme_priv_ie_data(pmlmepriv);
1910 }