kernel/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 #include <asm/unaligned.h>
  24
  25 extern unsigned char WMM_OUI23A[];
  26 extern unsigned char WPS_OUI23A[];
  27 extern unsigned char P2P_OUI23A[];
  28
  29 void init_mlme_ap_info23a(struct rtw_adapter *padapter)
  30 {
  31         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  32         struct sta_priv *pstapriv = &padapter->stapriv;
  33         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
  34
  35         spin_lock_init(&pmlmepriv->bcn_update_lock);
  36
  37         /* for ACL */
  38         _rtw_init_queue23a(&pacl_list->acl_node_q);
  39
  40         start_ap_mode23a(padapter);
  41 }
  42
  43 void free_mlme_ap_info23a(struct rtw_adapter *padapter)
  44 {
  45         struct sta_info *psta = NULL;
  46         struct sta_priv *pstapriv = &padapter->stapriv;
  47         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  48         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  49         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  50
  51         pmlmepriv->update_bcn = false;
  52         pmlmeext->bstart_bss = false;
  53
  54         rtw_sta_flush23a(padapter);
  55
  56         pmlmeinfo->state = MSR_NOLINK;
  57
  58         /* free_assoc_sta_resources */
  59         rtw_free_all_stainfo23a(padapter);
  60
  61         /* free bc/mc sta_info */
  62         psta = rtw_get_bcmc_stainfo23a(padapter);
  63         spin_lock_bh(&pstapriv->sta_hash_lock);
  64         rtw_free_stainfo23a(padapter, psta);
  65         spin_unlock_bh(&pstapriv->sta_hash_lock);
  66 }
  67
  68 static void update_BCNTIM(struct rtw_adapter *padapter)
  69 {
  70         struct sta_priv *pstapriv = &padapter->stapriv;
  71         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
  72         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
  73         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
  74         unsigned char *pie = pnetwork_mlmeext->IEs;
  75         u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
  76         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
  77
  78         p = rtw_get_ie23a(pie, WLAN_EID_TIM, &tim_ielen,
  79                           pnetwork_mlmeext->IELength);
  80         if (p != NULL && tim_ielen > 0) {
  81                 tim_ielen += 2;
  82
  83                 premainder_ie = p+tim_ielen;
  84
  85                 tim_ie_offset = (int)(p - pie);
  86
  87                 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
  88
  89                 /* append TIM IE from dst_ie offset */
  90                 dst_ie = p;
  91         } else {
  92                 tim_ielen = 0;
  93
  94                 /* calculate head_len */
  95                 offset = 0;
  96
  97                 /* get ssid_ie len */
  98                 p = rtw_get_ie23a(pie, WLAN_EID_SSID,
  99                                   &tmp_len, pnetwork_mlmeext->IELength);
 100                 if (p != NULL)
 101                         offset += tmp_len+2;
 102
 103                 /*  get supported rates len */
 104                 p = rtw_get_ie23a(pie, WLAN_EID_SUPP_RATES,
 105                                   &tmp_len, pnetwork_mlmeext->IELength);
 106                 if (p !=  NULL)
 107                         offset += tmp_len+2;
 108
 109                 /* DS Parameter Set IE, len = 3 */
 110                 offset += 3;
 111
 112                 premainder_ie = pie + offset;
 113
 114                 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
 115
 116                 /* append TIM IE from offset */
 117                 dst_ie = pie + offset;
 118         }
 119
 120         if (remainder_ielen > 0) {
 121                 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
 122                 if (pbackup_remainder_ie && premainder_ie)
 123                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
 124         }
 125
 126         *dst_ie++ = WLAN_EID_TIM;
 127
 128         if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
 129                 tim_ielen = 5;
 130         else
 131                 tim_ielen = 4;
 132
 133         *dst_ie++ = tim_ielen;
 134
 135         *dst_ie++ = 0;/* DTIM count */
 136         *dst_ie++ = 1;/* DTIM period */
 137
 138         if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
 139                 *dst_ie++ = BIT(0);/* bitmap ctrl */
 140         else
 141                 *dst_ie++ = 0;
 142
 143         if (tim_ielen == 4) {
 144                 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
 145         } else if (tim_ielen == 5) {
 146                 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
 147                 dst_ie += 2;
 148         }
 149
 150         /* copy remainder IE */
 151         if (pbackup_remainder_ie) {
 152                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
 153
 154                 kfree(pbackup_remainder_ie);
 155         }
 156
 157         offset =  (uint)(dst_ie - pie);
 158         pnetwork_mlmeext->IELength = offset + remainder_ielen;
 159
 160         set_tx_beacon_cmd23a(padapter);
 161 }
 162
 163 static u8 chk_sta_is_alive(struct sta_info *psta)
 164 {
 165         u8 ret = false;
 166
 167         if ((psta->sta_stats.last_rx_data_pkts +
 168             psta->sta_stats.last_rx_ctrl_pkts) !=
 169             (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
 170                 ret = true;
 171
 172         sta_update_last_rx_pkts(psta);
 173
 174         return ret;
 175 }
 176
 177 void    expire_timeout_chk23a(struct rtw_adapter *padapter)
 178 {
 179         struct list_head *phead, *plist, *ptmp;
 180         u8 updated = 0;
 181         struct sta_info *psta;
 182         struct sta_priv *pstapriv = &padapter->stapriv;
 183         u8 chk_alive_num = 0;
 184         struct sta_info *chk_alive_list[NUM_STA];
 185         int i;
 186
 187         spin_lock_bh(&pstapriv->auth_list_lock);
 188
 189         phead = &pstapriv->auth_list;
 190
 191         /* check auth_queue */
 192         list_for_each_safe(plist, ptmp, phead) {
 193                 psta = container_of(plist, struct sta_info, auth_list);
 194
 195                 if (psta->expire_to > 0) {
 196                         psta->expire_to--;
 197                         if (psta->expire_to == 0) {
 198                                 list_del_init(&psta->auth_list);
 199                                 pstapriv->auth_list_cnt--;
 200
 201                                 DBG_8723A("auth expire %pM\n", psta->hwaddr);
 202
 203                                 spin_unlock_bh(&pstapriv->auth_list_lock);
 204
 205                                 spin_lock_bh(&pstapriv->sta_hash_lock);
 206                                 rtw_free_stainfo23a(padapter, psta);
 207                                 spin_unlock_bh(&pstapriv->sta_hash_lock);
 208
 209                                 spin_lock_bh(&pstapriv->auth_list_lock);
 210                         }
 211                 }
 212
 213         }
 214
 215         spin_unlock_bh(&pstapriv->auth_list_lock);
 216
 217         spin_lock_bh(&pstapriv->asoc_list_lock);
 218
 219         phead = &pstapriv->asoc_list;
 220
 221         /* check asoc_queue */
 222         list_for_each_safe(plist, ptmp, phead) {
 223                 psta = container_of(plist, struct sta_info, asoc_list);
 224
 225                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
 226                         psta->expire_to = pstapriv->expire_to;
 227                         psta->keep_alive_trycnt = 0;
 228                 } else {
 229                         psta->expire_to--;
 230                 }
 231
 232                 if (psta->expire_to <= 0) {
 233                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 234
 235                         if (padapter->registrypriv.wifi_spec == 1) {
 236                                 psta->expire_to = pstapriv->expire_to;
 237                                 continue;
 238                         }
 239
 240                         if (psta->state & WIFI_SLEEP_STATE) {
 241                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
 242                                         /* to check if alive by another methods if station is at ps mode. */
 243                                         psta->expire_to = pstapriv->expire_to;
 244                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
 245
 246                                         /* to update bcn with tim_bitmap for this station */
 247                                         pstapriv->tim_bitmap |= CHKBIT(psta->aid);
 248                                         update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
 249
 250                                         if (!pmlmeext->active_keep_alive_check)
 251                                                 continue;
 252                                 }
 253                         }
 254
 255                         if (pmlmeext->active_keep_alive_check) {
 256                                 chk_alive_list[chk_alive_num++] = psta;
 257                                 continue;
 258                         }
 259
 260                         list_del_init(&psta->asoc_list);
 261                         pstapriv->asoc_list_cnt--;
 262
 263                         DBG_8723A("asoc expire %pM, state = 0x%x\n",
 264                                   psta->hwaddr, psta->state);
 265                         updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
 266                 } else {
 267                         /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
 268                         if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt)
 269                                 && padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME/pstapriv->asoc_list_cnt)/2)
 270                         ) {
 271                                 DBG_8723A("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n",
 272                                           __func__,
 273                                           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(%pM) is alive\n",
 311                                   psta->hwaddr);
 312                         psta->expire_to = pstapriv->expire_to;
 313                         psta->keep_alive_trycnt = 0;
 314                         continue;
 315                 } else if (psta->keep_alive_trycnt <= 3) {
 316                         DBG_8723A("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
 317                         psta->expire_to = 1;
 318                         continue;
 319                 }
 320
 321                 psta->keep_alive_trycnt = 0;
 322
 323                 DBG_8723A("asoc expire %pM, state = 0x%x\n",
 324                           psta->hwaddr, psta->state);
 325                 spin_lock_bh(&pstapriv->asoc_list_lock);
 326                 if (!list_empty(&psta->asoc_list)) {
 327                         list_del_init(&psta->asoc_list);
 328                         pstapriv->asoc_list_cnt--;
 329                         updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
 330                 }
 331                 spin_unlock_bh(&pstapriv->asoc_list_lock);
 332
 333         }
 334
 335         if (backup_oper_channel > 0) /* back to the original operation channel */
 336                 SelectChannel23a(padapter, backup_oper_channel);
 337 }
 338
 339         associated_clients_update23a(padapter, updated);
 340 }
 341
 342 void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level)
 343 {
 344         int i;
 345         u8 rf_type;
 346         u32 init_rate = 0;
 347         unsigned char sta_band = 0, raid, shortGIrate = false;
 348         unsigned char limit;
 349         unsigned int tx_ra_bitmap = 0;
 350         struct ht_priv *psta_ht = NULL;
 351         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 352         struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
 353
 354         if (psta)
 355                 psta_ht = &psta->htpriv;
 356         else
 357                 return;
 358
 359         if (!(psta->state & _FW_LINKED))
 360                 return;
 361
 362         /* b/g mode ra_bitmap */
 363         for (i = 0; i < sizeof(psta->bssrateset); i++) {
 364                 if (psta->bssrateset[i])
 365                         tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
 366         }
 367         /* n mode ra_bitmap */
 368         if (psta_ht->ht_option) {
 369                 rf_type = rtl8723a_get_rf_type(padapter);
 370
 371                 if (rf_type == RF_2T2R)
 372                         limit = 16;/*  2R */
 373                 else
 374                         limit = 8;/*   1R */
 375
 376                 for (i = 0; i < limit; i++) {
 377                         if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
 378                                 tx_ra_bitmap |= BIT(i + 12);
 379                 }
 380
 381                 /* max short GI rate */
 382                 shortGIrate = psta_ht->sgi;
 383         }
 384
 385         if (pcur_network->DSConfig > 14) {
 386                 /*  5G band */
 387                 if (tx_ra_bitmap & 0xffff000)
 388                         sta_band |= WIRELESS_11_5N | WIRELESS_11A;
 389                 else
 390                         sta_band |= WIRELESS_11A;
 391         } else {
 392                 if (tx_ra_bitmap & 0xffff000)
 393                         sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
 394                 else if (tx_ra_bitmap & 0xff0)
 395                         sta_band |= WIRELESS_11G | WIRELESS_11B;
 396                 else
 397                         sta_band |= WIRELESS_11B;
 398         }
 399
 400         psta->wireless_mode = sta_band;
 401
 402         raid = networktype_to_raid23a(sta_band);
 403         init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
 404
 405         if (psta->aid < NUM_STA) {
 406                 u8 arg = 0;
 407
 408                 arg = psta->mac_id&0x1f;
 409
 410                 arg |= BIT(7);/* support entry 2~31 */
 411
 412                 if (shortGIrate == true)
 413                         arg |= BIT(5);
 414
 415                 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 416
 417                 DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = "
 418                           "0x%x\n",
 419                           __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
 420
 421                 /* bitmap[0:27] = tx_rate_bitmap */
 422                 /* bitmap[28:31]= Rate Adaptive id */
 423                 /* arg[0:4] = macid */
 424                 /* arg[5] = Short GI */
 425                 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level);
 426
 427                 if (shortGIrate == true)
 428                         init_rate |= BIT(6);
 429
 430                 /* set ra_id, init_rate */
 431                 psta->raid = raid;
 432                 psta->init_rate = init_rate;
 433
 434         } else
 435                 DBG_8723A("station aid %d exceed the max number\n", psta->aid);
 436 }
 437
 438 static void update_bmc_sta(struct rtw_adapter *padapter)
 439 {
 440         u32 init_rate = 0;
 441         unsigned char network_type, raid;
 442         int i, supportRateNum = 0;
 443         unsigned int tx_ra_bitmap = 0;
 444         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 445         struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
 446         struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter);
 447
 448         if (psta) {
 449                 psta->aid = 0;/* default set to 0 */
 450                 psta->mac_id = psta->aid + 1;
 451
 452                 psta->qos_option = 0;
 453                 psta->htpriv.ht_option = false;
 454
 455                 psta->ieee8021x_blocked = 0;
 456
 457                 memset((void *)&psta->sta_stats, 0,
 458                        sizeof(struct stainfo_stats));
 459
 460                 /* prepare for add_RATid23a */
 461                 supportRateNum = rtw_get_rateset_len23a((u8 *)&pcur_network->SupportedRates);
 462                 network_type = rtw_check_network_type23a((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
 463
 464                 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
 465                 psta->bssratelen = supportRateNum;
 466
 467                 /* b/g mode ra_bitmap */
 468                 for (i = 0; i < supportRateNum; i++) {
 469                         if (psta->bssrateset[i])
 470                                 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
 471                 }
 472
 473                 if (pcur_network->DSConfig > 14) {
 474                         /* force to A mode. 5G doesn't support CCK rates */
 475                         network_type = WIRELESS_11A;
 476                         tx_ra_bitmap = 0x150; /*  6, 12, 24 Mbps */
 477                 } else {
 478                         /* force to b mode */
 479                         network_type = WIRELESS_11B;
 480                         tx_ra_bitmap = 0xf;
 481                 }
 482
 483                 raid = networktype_to_raid23a(network_type);
 484                 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
 485
 486                 /* ap mode */
 487                 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
 488
 489                 {
 490                         u8 arg = 0;
 491
 492                         arg = psta->mac_id&0x1f;
 493
 494                         arg |= BIT(7);
 495
 496                         tx_ra_bitmap |= ((raid<<28)&0xf0000000);
 497
 498                         DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
 499
 500                         /* bitmap[0:27] = tx_rate_bitmap */
 501                         /* bitmap[28:31]= Rate Adaptive id */
 502                         /* arg[0:4] = macid */
 503                         /* arg[5] = Short GI */
 504                         rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0);
 505                 }
 506
 507                 /* set ra_id, init_rate */
 508                 psta->raid = raid;
 509                 psta->init_rate = init_rate;
 510
 511                 spin_lock_bh(&psta->lock);
 512                 psta->state = _FW_LINKED;
 513                 spin_unlock_bh(&psta->lock);
 514
 515         } else
 516                 DBG_8723A("add_RATid23a_bmc_sta error!\n");
 517 }
 518
 519 /* notes: */
 520 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
 521 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
 522 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
 523 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
 524 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
 525
 526 void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta)
 527 {
 528         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 529         struct security_priv *psecuritypriv = &padapter->securitypriv;
 530         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 531         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
 532         struct ht_priv *phtpriv_sta = &psta->htpriv;
 533         /* set intf_tag to if1 */
 534
 535         psta->mac_id = psta->aid+1;
 536         DBG_8723A("%s\n", __func__);
 537
 538         /* ap mode */
 539         rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
 540
 541         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
 542                 psta->ieee8021x_blocked = true;
 543         else
 544                 psta->ieee8021x_blocked = false;
 545
 546         /* update sta's cap */
 547
 548         /* ERP */
 549         VCS_update23a(padapter, psta);
 550         /* HT related cap */
 551         if (phtpriv_sta->ht_option) {
 552                 /* check if sta supports rx ampdu */
 553                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
 554
 555                 /* check if sta support s Short GI */
 556                 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))
 557                         phtpriv_sta->sgi = true;
 558
 559                 /*  bwmode */
 560                 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
 561                         /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */
 562                         phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 563                         phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 564
 565                 }
 566
 567                 psta->qos_option = true;
 568
 569         } else {
 570                 phtpriv_sta->ampdu_enable = false;
 571
 572                 phtpriv_sta->sgi = false;
 573                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 574                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 575         }
 576
 577         /* Rx AMPDU */
 578         send_delba23a(padapter, 0, psta->hwaddr);/*  recipient */
 579
 580         /* TX AMPDU */
 581         send_delba23a(padapter, 1, psta->hwaddr);/*  originator */
 582         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
 583         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
 584
 585         /* todo: init other variables */
 586
 587         memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
 588
 589         spin_lock_bh(&psta->lock);
 590         psta->state |= _FW_LINKED;
 591         spin_unlock_bh(&psta->lock);
 592 }
 593
 594 static void update_hw_ht_param(struct rtw_adapter *padapter)
 595 {
 596         unsigned char max_AMPDU_len;
 597         unsigned char min_MPDU_spacing;
 598         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 599         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 600
 601         DBG_8723A("%s\n", __func__);
 602
 603         /* handle A-MPDU parameter field */
 604         /*
 605                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 606                 AMPDU_para [4:2]:Min MPDU Start Spacing
 607         */
 608         max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info &
 609                 IEEE80211_HT_AMPDU_PARM_FACTOR;
 610
 611         min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info &
 612                             IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
 613
 614         rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing);
 615         rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len);
 616
 617         /*  Config SM Power Save setting */
 618         pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) &
 619                             IEEE80211_HT_CAP_SM_PS) >> 2;
 620         if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
 621                 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
 622 }
 623
 624 static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
 625 {
 626         const u8 *p;
 627         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
 628         u16 bcn_interval;
 629         u32 acparm;
 630         struct registry_priv *pregpriv = &padapter->registrypriv;
 631         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 632         struct security_priv *psecuritypriv = &padapter->securitypriv;
 633         struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network;
 634         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 635         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
 636         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
 637         struct ieee80211_ht_operation *pht_info = NULL;
 638
 639         bcn_interval = (u16)pnetwork->beacon_interval;
 640         cur_channel = pnetwork->DSConfig;
 641         cur_bwmode = HT_CHANNEL_WIDTH_20;
 642         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 643
 644         /* check if there is wps ie, */
 645         /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
 646         /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
 647         if (NULL == cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
 648                                             WLAN_OUI_TYPE_MICROSOFT_WPS,
 649                                             pnetwork->IEs,
 650                                             pnetwork->IELength))
 651                 pmlmeext->bstart_bss = true;
 652
 653         /* todo: update wmm, ht cap */
 654         /* pmlmeinfo->WMM_enable; */
 655         /* pmlmeinfo->HT_enable; */
 656         if (pmlmepriv->qos_option)
 657                 pmlmeinfo->WMM_enable = true;
 658         if (pmlmepriv->htpriv.ht_option) {
 659                 pmlmeinfo->WMM_enable = true;
 660                 pmlmeinfo->HT_enable = true;
 661
 662                 update_hw_ht_param(padapter);
 663         }
 664
 665         if (pmlmepriv->cur_network.join_res != true) {
 666                 /* setting only at  first time */
 667                 /* WEP Key will be set before this function, do not clear CAM. */
 668                 if (psecuritypriv->dot11PrivacyAlgrthm !=
 669                     WLAN_CIPHER_SUITE_WEP40 &&
 670                     psecuritypriv->dot11PrivacyAlgrthm !=
 671                     WLAN_CIPHER_SUITE_WEP104)
 672                         flush_all_cam_entry23a(padapter);       /* clear CAM */
 673         }
 674
 675         /* set MSR to AP_Mode */
 676         rtl8723a_set_media_status(padapter, MSR_AP);
 677
 678         /* Set BSSID REG */
 679         hw_var_set_bssid(padapter, pnetwork->MacAddress);
 680
 681         /* Set EDCA param reg */
 682         acparm = 0x002F3217; /*  VO */
 683         rtl8723a_set_ac_param_vo(padapter, acparm);
 684         acparm = 0x005E4317; /*  VI */
 685         rtl8723a_set_ac_param_vi(padapter, acparm);
 686         acparm = 0x005ea42b;
 687         rtl8723a_set_ac_param_be(padapter, acparm);
 688         acparm = 0x0000A444; /*  BK */
 689         rtl8723a_set_ac_param_bk(padapter, acparm);
 690
 691         /* Set Security */
 692         val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ?
 693                 0xcc : 0xcf;
 694         rtl8723a_set_sec_cfg(padapter, val8);
 695
 696         /* Beacon Control related register */
 697         rtl8723a_set_beacon_interval(padapter, bcn_interval);
 698
 699         UpdateBrateTbl23a(padapter, pnetwork->SupportedRates);
 700         HalSetBrateCfg23a(padapter, pnetwork->SupportedRates);
 701
 702         if (!pmlmepriv->cur_network.join_res) {
 703                 /* setting only at  first time */
 704
 705                 /* disable dynamic functions, such as high power, DIG */
 706
 707                 /* turn on all dynamic functions */
 708                 rtl8723a_odm_support_ability_set(padapter,
 709                                                  DYNAMIC_ALL_FUNC_ENABLE);
 710         }
 711         /* set channel, bwmode */
 712
 713         p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs,
 714                              pnetwork->IELength);
 715         if (p && p[1]) {
 716                 pht_info = (struct ieee80211_ht_operation *)(p + 2);
 717
 718                 if (pregpriv->cbw40_enable && pht_info->ht_param &
 719                     IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
 720                         /* switch to the 40M Hz mode */
 721                         cur_bwmode = HT_CHANNEL_WIDTH_40;
 722                         switch (pht_info->ht_param &
 723                                 IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
 724                         case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 725                                 /* pmlmeext->cur_ch_offset =
 726                                    HAL_PRIME_CHNL_OFFSET_LOWER; */
 727                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 728                                 break;
 729                         case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
 730                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 731                                 break;
 732                         default:
 733                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 734                                 break;
 735                         }
 736                 }
 737         }
 738         /* TODO: need to judge the phy parameters on concurrent mode for single phy */
 739         set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode);
 740
 741         DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
 742                   cur_ch_offset);
 743
 744         pmlmeext->cur_channel = cur_channel;
 745         pmlmeext->cur_bwmode = cur_bwmode;
 746         pmlmeext->cur_ch_offset = cur_ch_offset;
 747         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
 748
 749         /* update cur_wireless_mode */
 750         update_wireless_mode23a(padapter);
 751
 752         /* update capability after cur_wireless_mode updated */
 753         update_capinfo23a(padapter, pnetwork->capability);
 754
 755         /* let pnetwork_mlmeext == pnetwork_mlme. */
 756         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
 757
 758         if (pmlmeext->bstart_bss) {
 759                 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
 760
 761                 /* issue beacon frame */
 762                 if (send_beacon23a(padapter) == _FAIL)
 763                         DBG_8723A("issue_beacon23a, fail!\n");
 764         }
 765
 766         /* update bc/mc sta_info */
 767         update_bmc_sta(padapter);
 768 }
 769
 770 int rtw_check_beacon_data23a(struct rtw_adapter *padapter,
 771                              struct ieee80211_mgmt *mgmt, unsigned int len)
 772 {
 773         int ret = _SUCCESS;
 774         u8 *p;
 775         u8 *pHT_caps_ie = NULL;
 776         u8 *pHT_info_ie = NULL;
 777         struct sta_info *psta = NULL;
 778         u16 ht_cap = false;
 779         uint ie_len = 0;
 780         int group_cipher, pairwise_cipher;
 781         u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
 782         int supportRateNum = 0;
 783         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
 784         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 785         struct security_priv *psecuritypriv = &padapter->securitypriv;
 786         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 787         struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
 788         u8 *ie = pbss_network->IEs;
 789         u8 *pbuf = mgmt->u.beacon.variable;
 790
 791         len -= offsetof(struct ieee80211_mgmt, u.beacon.variable);
 792         /* SSID */
 793         /* Supported rates */
 794         /* DS Params */
 795         /* WLAN_EID_COUNTRY */
 796         /* ERP Information element */
 797         /* Extended supported rates */
 798         /* WPA/WPA2 */
 799         /* Wi-Fi Wireless Multimedia Extensions */
 800         /* ht_capab, ht_oper */
 801         /* WPS IE */
 802
 803         DBG_8723A("%s, len =%d\n", __func__, len);
 804
 805         if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
 806                 return _FAIL;
 807
 808         if (len > MAX_IE_SZ)
 809                 return _FAIL;
 810
 811         pbss_network->IELength = len;
 812
 813         memset(ie, 0, MAX_IE_SZ);
 814
 815         memcpy(ie, pbuf, pbss_network->IELength);
 816
 817         if (pbss_network->ifmode != NL80211_IFTYPE_AP &&
 818             pbss_network->ifmode != NL80211_IFTYPE_P2P_GO)
 819                 return _FAIL;
 820
 821         pbss_network->Rssi = 0;
 822
 823         memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN);
 824
 825         /* SSID */
 826         p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength);
 827         if (p && ie_len > 0) {
 828                 memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid));
 829                 memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len);
 830                 pbss_network->Ssid.ssid_len = ie_len;
 831         }
 832
 833         /* channel */
 834         channel = 0;
 835         p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len,
 836                           pbss_network->IELength);
 837         if (p && ie_len > 0)
 838                 channel = *(p + 2);
 839
 840         pbss_network->DSConfig = channel;
 841
 842         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
 843         /*  get supported rates */
 844         p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len,
 845                           pbss_network->IELength);
 846         if (p) {
 847                 memcpy(supportRate, p+2, ie_len);
 848                 supportRateNum = ie_len;
 849         }
 850
 851         /* get ext_supported rates */
 852         p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES,
 853                           &ie_len, pbss_network->IELength);
 854         if (p) {
 855                 memcpy(supportRate+supportRateNum, p+2, ie_len);
 856                 supportRateNum += ie_len;
 857         }
 858
 859         network_type = rtw_check_network_type23a(supportRate,
 860                                                  supportRateNum, channel);
 861
 862         rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type);
 863
 864         /* parsing ERP_IE */
 865         p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len,
 866                           pbss_network->IELength);
 867         if (p && ie_len > 0)
 868                 ERP_IE_handler23a(padapter, p);
 869
 870         /* update privacy/security */
 871         if (pbss_network->capability & BIT(4))
 872                 pbss_network->Privacy = 1;
 873         else
 874                 pbss_network->Privacy = 0;
 875
 876         psecuritypriv->wpa_psk = 0;
 877
 878         /* wpa2 */
 879         group_cipher = 0; pairwise_cipher = 0;
 880         psecuritypriv->wpa2_group_cipher = 0;
 881         psecuritypriv->wpa2_pairwise_cipher = 0;
 882         p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len,
 883                           pbss_network->IELength);
 884         if (p && ie_len > 0) {
 885                 if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher,
 886                                          &pairwise_cipher, NULL) == _SUCCESS) {
 887                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 888
 889                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
 890                         psecuritypriv->wpa_psk |= BIT(1);
 891
 892                         psecuritypriv->wpa2_group_cipher = group_cipher;
 893                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
 894                 }
 895         }
 896
 897         /* wpa */
 898         ie_len = 0;
 899         group_cipher = 0;
 900         pairwise_cipher = 0;
 901         psecuritypriv->wpa_group_cipher = 0;
 902         psecuritypriv->wpa_pairwise_cipher = 0;
 903         for (p = ie; ; p += (ie_len + 2)) {
 904                 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
 905                                   pbss_network->IELength - (ie_len + 2));
 906                 if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) {
 907                         if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher,
 908                                                 &pairwise_cipher, NULL) == _SUCCESS) {
 909                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
 910
 911                                 /* psk,  todo:802.1x */
 912                                 psecuritypriv->dot8021xalg = 1;
 913
 914                                 psecuritypriv->wpa_psk |= BIT(0);
 915
 916                                 psecuritypriv->wpa_group_cipher = group_cipher;
 917                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
 918                         }
 919                         break;
 920                 }
 921
 922                 if ((p == NULL) || (ie_len == 0))
 923                                 break;
 924         }
 925
 926         /* wmm */
 927         ie_len = 0;
 928         pmlmepriv->qos_option = 0;
 929         if (pregistrypriv->wmm_enable) {
 930                 for (p = ie; ; p += (ie_len + 2)) {
 931                         p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
 932                                           (pbss_network->IELength -
 933                                            (ie_len + 2)));
 934                         if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
 935                                 pmlmepriv->qos_option = 1;
 936
 937                                 *(p+8) |= BIT(7);/* QoS Info, support U-APSD */
 938
 939                                 /* disable all ACM bits since the WMM admission
 940                                  * control is not supported
 941                                  */
 942                                 *(p + 10) &= ~BIT(4); /* BE */
 943                                 *(p + 14) &= ~BIT(4); /* BK */
 944                                 *(p + 18) &= ~BIT(4); /* VI */
 945                                 *(p + 22) &= ~BIT(4); /* VO */
 946                                 break;
 947                         }
 948                         if ((p == NULL) || (ie_len == 0))
 949                                 break;
 950                 }
 951         }
 952         /* parsing HT_CAP_IE */
 953         p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len,
 954                           pbss_network->IELength);
 955         if (p && ie_len > 0) {
 956                 u8 rf_type;
 957
 958                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2);
 959
 960                 pHT_caps_ie = p;
 961
 962                 ht_cap = true;
 963                 network_type |= WIRELESS_11_24N;
 964
 965                 rf_type = rtl8723a_get_rf_type(padapter);
 966
 967                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
 968                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
 969                         pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2));
 970                 else
 971                         pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00);
 972
 973                 /* set  Max Rx AMPDU size  to 64K */
 974                 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
 975
 976                 if (rf_type == RF_1T1R) {
 977                         pht_cap->mcs.rx_mask[0] = 0xff;
 978                         pht_cap->mcs.rx_mask[1] = 0x0;
 979                 }
 980
 981                 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
 982         }
 983
 984         /* parsing HT_INFO_IE */
 985         p = rtw_get_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len,
 986                           pbss_network->IELength);
 987         if (p && ie_len > 0)
 988                 pHT_info_ie = p;
 989
 990         pmlmepriv->cur_network.network_type = network_type;
 991
 992         pmlmepriv->htpriv.ht_option = false;
 993
 994         /* ht_cap */
 995         if (pregistrypriv->ht_enable && ht_cap) {
 996                 pmlmepriv->htpriv.ht_option = true;
 997                 pmlmepriv->qos_option = 1;
 998
 999                 if (pregistrypriv->ampdu_enable == 1)
1000                         pmlmepriv->htpriv.ampdu_enable = true;
1001
1002                 HT_caps_handler23a(padapter, pHT_caps_ie);
1003
1004                 HT_info_handler23a(padapter, pHT_info_ie);
1005         }
1006
1007         pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network);
1008
1009         /* issue beacon to start bss network */
1010         start_bss_network(padapter, (u8 *)pbss_network);
1011
1012         /* alloc sta_info for ap itself */
1013         psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1014         if (!psta) {
1015                 psta = rtw_alloc_stainfo23a(&padapter->stapriv,
1016                                             pbss_network->MacAddress,
1017                                             GFP_KERNEL);
1018                 if (!psta)
1019                         return _FAIL;
1020         }
1021         /* fix bug of flush_cam_entry at STOP AP mode */
1022         psta->state |= WIFI_AP_STATE;
1023         rtw_indicate_connect23a(padapter);
1024
1025         /* for check if already set beacon */
1026         pmlmepriv->cur_network.join_res = true;
1027
1028         return ret;
1029 }
1030
1031 void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode)
1032 {
1033         struct sta_priv *pstapriv = &padapter->stapriv;
1034         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1035
1036         DBG_8723A("%s, mode =%d\n", __func__, mode);
1037
1038         pacl_list->mode = mode;
1039 }
1040
1041 int rtw_acl_add_sta23a(struct rtw_adapter *padapter, u8 *addr)
1042 {
1043         struct list_head *plist, *phead;
1044         u8 added = false;
1045         int i, ret = 0;
1046         struct rtw_wlan_acl_node *paclnode;
1047         struct sta_priv *pstapriv = &padapter->stapriv;
1048         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1049         struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1050
1051         DBG_8723A("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, addr);
1052
1053         if ((NUM_ACL-1) < pacl_list->num)
1054                 return -1;
1055
1056         spin_lock_bh(&pacl_node_q->lock);
1057
1058         phead = get_list_head(pacl_node_q);
1059
1060         list_for_each(plist, phead) {
1061                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1062
1063                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1064                         if (paclnode->valid == true) {
1065                                 added = true;
1066                                 DBG_8723A("%s, sta has been added\n", __func__);
1067                                 break;
1068                         }
1069                 }
1070         }
1071
1072         spin_unlock_bh(&pacl_node_q->lock);
1073
1074         if (added)
1075                 return ret;
1076
1077         spin_lock_bh(&pacl_node_q->lock);
1078
1079         for (i = 0; i < NUM_ACL; i++) {
1080                 paclnode = &pacl_list->aclnode[i];
1081
1082                 if (!paclnode->valid) {
1083                         INIT_LIST_HEAD(&paclnode->list);
1084
1085                         memcpy(paclnode->addr, addr, ETH_ALEN);
1086
1087                         paclnode->valid = true;
1088
1089                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1090
1091                         pacl_list->num++;
1092
1093                         break;
1094                 }
1095         }
1096
1097         DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1098
1099         spin_unlock_bh(&pacl_node_q->lock);
1100         return ret;
1101 }
1102
1103 int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr)
1104 {
1105         struct list_head *plist, *phead, *ptmp;
1106         struct rtw_wlan_acl_node *paclnode;
1107         struct sta_priv *pstapriv = &padapter->stapriv;
1108         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1109         struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1110
1111         DBG_8723A("%s(acl_num =%d) = %pM\n", __func__, pacl_list->num, addr);
1112
1113         spin_lock_bh(&pacl_node_q->lock);
1114
1115         phead = get_list_head(pacl_node_q);
1116
1117         list_for_each_safe(plist, ptmp, phead) {
1118                 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1119
1120                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1121                         if (paclnode->valid) {
1122                                 paclnode->valid = false;
1123
1124                                 list_del_init(&paclnode->list);
1125
1126                                 pacl_list->num--;
1127                         }
1128                 }
1129         }
1130
1131         spin_unlock_bh(&pacl_node_q->lock);
1132
1133         DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1134
1135         return 0;
1136 }
1137
1138 static void update_bcn_fixed_ie(struct rtw_adapter *padapter)
1139 {
1140         DBG_8723A("%s\n", __func__);
1141 }
1142
1143 static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter)
1144 {
1145         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1146         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1147         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1148         struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1149         unsigned char *p, *ie = pnetwork->IEs;
1150         u32 len = 0;
1151
1152         DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1153
1154         if (!pmlmeinfo->ERP_enable)
1155                 return;
1156
1157         /* parsing ERP_IE */
1158         p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength);
1159         if (p && len > 0) {
1160                 if (pmlmepriv->num_sta_non_erp == 1)
1161                         p[2] |= WLAN_ERP_NON_ERP_PRESENT |
1162                                 WLAN_ERP_USE_PROTECTION;
1163                 else
1164                         p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT |
1165                                   WLAN_ERP_USE_PROTECTION);
1166
1167                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1168                         p[2] |= WLAN_ERP_BARKER_PREAMBLE;
1169                 else
1170                         p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE);
1171
1172                 ERP_IE_handler23a(padapter, p);
1173         }
1174 }
1175
1176 static void update_bcn_htcap_ie(struct rtw_adapter *padapter)
1177 {
1178         DBG_8723A("%s\n", __func__);
1179 }
1180
1181 static void update_bcn_htinfo_ie(struct rtw_adapter *padapter)
1182 {
1183         DBG_8723A("%s\n", __func__);
1184 }
1185
1186 static void update_bcn_rsn_ie(struct rtw_adapter *padapter)
1187 {
1188         DBG_8723A("%s\n", __func__);
1189 }
1190
1191 static void update_bcn_wpa_ie(struct rtw_adapter *padapter)
1192 {
1193         DBG_8723A("%s\n", __func__);
1194 }
1195
1196 static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
1197 {
1198         DBG_8723A("%s\n", __func__);
1199 }
1200
1201 static void update_bcn_wps_ie(struct rtw_adapter *padapter)
1202 {
1203         DBG_8723A("%s\n", __func__);
1204 }
1205
1206 static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
1207 {
1208 }
1209
1210 static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8 *oui)
1211 {
1212         DBG_8723A("%s\n", __func__);
1213
1214         if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4))
1215                 update_bcn_wpa_ie(padapter);
1216         else if (!memcmp(WMM_OUI23A, oui, 4))
1217                 update_bcn_wmm_ie(padapter);
1218         else if (!memcmp(WPS_OUI23A, oui, 4))
1219                 update_bcn_wps_ie(padapter);
1220         else if (!memcmp(P2P_OUI23A, oui, 4))
1221                 update_bcn_p2p_ie(padapter);
1222         else
1223                 DBG_8723A("unknown OUI type!\n");
1224 }
1225
1226 void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1227 {
1228         struct mlme_priv *pmlmepriv;
1229         struct mlme_ext_priv *pmlmeext;
1230         /* struct mlme_ext_info *pmlmeinfo; */
1231
1232         /* DBG_8723A("%s\n", __func__); */
1233
1234         if (!padapter)
1235                 return;
1236
1237         pmlmepriv = &padapter->mlmepriv;
1238         pmlmeext = &padapter->mlmeextpriv;
1239         /* pmlmeinfo = &pmlmeext->mlmext_info; */
1240
1241         if (false == pmlmeext->bstart_bss)
1242                 return;
1243
1244         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1245
1246         switch (ie_id) {
1247         case 0xFF:
1248                 /* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1249                 update_bcn_fixed_ie(padapter);
1250                 break;
1251
1252         case WLAN_EID_TIM:
1253                 update_BCNTIM(padapter);
1254                 break;
1255
1256         case WLAN_EID_ERP_INFO:
1257                 update_bcn_erpinfo_ie(padapter);
1258                 break;
1259
1260         case WLAN_EID_HT_CAPABILITY:
1261                 update_bcn_htcap_ie(padapter);
1262                 break;
1263
1264         case WLAN_EID_RSN:
1265                 update_bcn_rsn_ie(padapter);
1266                 break;
1267
1268         case WLAN_EID_HT_OPERATION:
1269                 update_bcn_htinfo_ie(padapter);
1270                 break;
1271
1272         case WLAN_EID_VENDOR_SPECIFIC:
1273                 update_bcn_vendor_spec_ie(padapter, oui);
1274                 break;
1275
1276         default:
1277                 break;
1278         }
1279
1280         pmlmepriv->update_bcn = true;
1281
1282         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1283
1284         if (tx)
1285                 set_tx_beacon_cmd23a(padapter);
1286 }
1287
1288 /*
1289 op_mode
1290 Set to 0 (HT pure) under the following conditions
1291         - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1292         - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1293 Set to 1 (HT non-member protection) if there may be non-HT STAs
1294         in both the primary and the secondary channel
1295 Set to 2 if only HT STAs are associated in BSS,
1296         however and at least one 20 MHz HT STA is associated
1297 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1298         (currently non-GF HT station is considered as non-HT STA also)
1299 */
1300 static int rtw_ht_operation_update(struct rtw_adapter *padapter)
1301 {
1302         u16 cur_op_mode, new_op_mode;
1303         int op_mode_changes = 0;
1304         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1305         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1306
1307         if (pmlmepriv->htpriv.ht_option)
1308                 return 0;
1309
1310         /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */
1311         /*      return 0; */
1312
1313         DBG_8723A("%s current operation mode = 0x%X\n",
1314                    __func__, pmlmepriv->ht_op_mode);
1315
1316         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1317             && pmlmepriv->num_sta_ht_no_gf) {
1318                 pmlmepriv->ht_op_mode |=
1319                         IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1320                 op_mode_changes++;
1321         } else if ((pmlmepriv->ht_op_mode &
1322                     IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1323                    pmlmepriv->num_sta_ht_no_gf == 0) {
1324                 pmlmepriv->ht_op_mode &=
1325                         ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1326                 op_mode_changes++;
1327         }
1328
1329         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1330             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1331                 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1332                 op_mode_changes++;
1333         } else if ((pmlmepriv->ht_op_mode &
1334                     IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1335                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1336                 pmlmepriv->ht_op_mode &=
1337                         ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1338                 op_mode_changes++;
1339         }
1340
1341         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1342          * station is associated. Probably it's a theoretical case, since
1343          * it looks like all known HT STAs support greenfield.
1344          */
1345         if (pmlmepriv->num_sta_no_ht ||
1346             (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1347                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1348         else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1349                   IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
1350                  pmlmepriv->num_sta_ht_20mhz)
1351                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1352         else if (pmlmepriv->olbc_ht)
1353                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1354         else
1355                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1356
1357         cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1358         if (cur_op_mode != new_op_mode) {
1359                 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1360                 pmlmepriv->ht_op_mode |= new_op_mode;
1361                 op_mode_changes++;
1362         }
1363
1364         DBG_8723A("%s new operation mode = 0x%X changes =%d\n",
1365                    __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1366
1367         return op_mode_changes;
1368 }
1369
1370 void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated)
1371 {
1372         /* update associated stations cap. */
1373         if (updated == true) {
1374                 struct list_head *phead, *plist, *ptmp;
1375                 struct sta_info *psta;
1376                 struct sta_priv *pstapriv = &padapter->stapriv;
1377
1378                 spin_lock_bh(&pstapriv->asoc_list_lock);
1379
1380                 phead = &pstapriv->asoc_list;
1381
1382                 list_for_each_safe(plist, ptmp, phead) {
1383                         psta = container_of(plist, struct sta_info, asoc_list);
1384
1385                         VCS_update23a(padapter, psta);
1386                 }
1387
1388                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1389         }
1390 }
1391
1392 /* called > TSR LEVEL for USB or SDIO Interface*/
1393 void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta)
1394 {
1395         u8 beacon_updated = false;
1396         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1397         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1398
1399         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1400                 if (!psta->no_short_preamble_set) {
1401                         psta->no_short_preamble_set = 1;
1402
1403                         pmlmepriv->num_sta_no_short_preamble++;
1404
1405                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1406                                 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1407                                 beacon_updated = true;
1408                                 update_beacon23a(padapter, 0xFF, NULL, true);
1409                         }
1410
1411                 }
1412         } else {
1413                 if (psta->no_short_preamble_set) {
1414                         psta->no_short_preamble_set = 0;
1415
1416                         pmlmepriv->num_sta_no_short_preamble--;
1417
1418                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1419                                 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1420                                 beacon_updated = true;
1421                                 update_beacon23a(padapter, 0xFF, NULL, true);
1422                         }
1423
1424                 }
1425         }
1426
1427         if (psta->flags & WLAN_STA_NONERP) {
1428                 if (!psta->nonerp_set) {
1429                         psta->nonerp_set = 1;
1430
1431                         pmlmepriv->num_sta_non_erp++;
1432
1433                         if (pmlmepriv->num_sta_non_erp == 1) {
1434                                 beacon_updated = true;
1435                                 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1436                         }
1437                 }
1438
1439         } else {
1440                 if (psta->nonerp_set) {
1441                         psta->nonerp_set = 0;
1442
1443                         pmlmepriv->num_sta_non_erp--;
1444
1445                         if (pmlmepriv->num_sta_non_erp == 0) {
1446                                 beacon_updated = true;
1447                                 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1448                         }
1449                 }
1450
1451         }
1452
1453         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1454                 if (!psta->no_short_slot_time_set) {
1455                         psta->no_short_slot_time_set = 1;
1456
1457                         pmlmepriv->num_sta_no_short_slot_time++;
1458
1459                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1460                                  (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1461                                 beacon_updated = true;
1462                                 update_beacon23a(padapter, 0xFF, NULL, true);
1463                         }
1464
1465                 }
1466         } else {
1467                 if (psta->no_short_slot_time_set) {
1468                         psta->no_short_slot_time_set = 0;
1469
1470                         pmlmepriv->num_sta_no_short_slot_time--;
1471
1472                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1473                                  (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1474                                 beacon_updated = true;
1475                                 update_beacon23a(padapter, 0xFF, NULL, true);
1476                         }
1477                 }
1478         }
1479
1480         if (psta->flags & WLAN_STA_HT) {
1481                 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1482
1483                 DBG_8723A("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1484                           psta->hwaddr, ht_capab);
1485
1486                 if (psta->no_ht_set) {
1487                         psta->no_ht_set = 0;
1488                         pmlmepriv->num_sta_no_ht--;
1489                 }
1490
1491                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1492                         if (!psta->no_ht_gf_set) {
1493                                 psta->no_ht_gf_set = 1;
1494                                 pmlmepriv->num_sta_ht_no_gf++;
1495                         }
1496                         DBG_8723A("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1497                                   __func__, psta->hwaddr,
1498                                   pmlmepriv->num_sta_ht_no_gf);
1499                 }
1500
1501                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1502                         if (!psta->ht_20mhz_set) {
1503                                 psta->ht_20mhz_set = 1;
1504                                 pmlmepriv->num_sta_ht_20mhz++;
1505                         }
1506                         DBG_8723A("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1507                                   __func__, psta->hwaddr,
1508                                   pmlmepriv->num_sta_ht_20mhz);
1509                 }
1510
1511         } else {
1512                 if (!psta->no_ht_set) {
1513                         psta->no_ht_set = 1;
1514                         pmlmepriv->num_sta_no_ht++;
1515                 }
1516                 if (pmlmepriv->htpriv.ht_option) {
1517                         DBG_8723A("%s STA %pM - no HT, num of non-HT stations %d\n",
1518                                   __func__, 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 }