drivers/staging/rtl8723bs/core/rtw_wlan_util.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7
   8 #include <drv_types.h>
   9 #include <rtw_debug.h>
  10 #include <hal_com_h2c.h>
  11
  12 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
  13 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
  14
  15 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
  16 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
  17 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
  18
  19 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
  20 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
  21 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
  22 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
  23 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
  24 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
  25 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
  26
  27 /* define WAIT_FOR_BCN_TO_MIN   (3000) */
  28 #define WAIT_FOR_BCN_TO_MIN     (6000)
  29 #define WAIT_FOR_BCN_TO_MAX     (20000)
  30
  31 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
  32 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
  33
  34 static u8 rtw_basic_rate_cck[4] = {
  35         IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
  36         IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
  37         IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
  38         IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
  39 };
  40
  41 static u8 rtw_basic_rate_ofdm[3] = {
  42         IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
  43         IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
  44         IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
  45 };
  46
  47 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
  48 {
  49         u8 raid;
  50
  51         switch (psta->wireless_mode) {
  52         case WIRELESS_11B:
  53                 raid = RATEID_IDX_B;
  54                 break;
  55         case WIRELESS_11G:
  56                 raid = RATEID_IDX_G;
  57                 break;
  58         case WIRELESS_11BG:
  59                 raid = RATEID_IDX_BG;
  60                 break;
  61         case WIRELESS_11_24N:
  62         case WIRELESS_11G_24N:
  63                 raid = RATEID_IDX_GN_N1SS;
  64                 break;
  65         case WIRELESS_11B_24N:
  66         case WIRELESS_11BG_24N:
  67                 if (psta->bw_mode == CHANNEL_WIDTH_20) {
  68                         raid = RATEID_IDX_BGN_20M_1SS_BN;
  69                 } else {
  70                         raid = RATEID_IDX_BGN_40M_1SS;
  71                 }
  72                 break;
  73         default:
  74                 raid = RATEID_IDX_BGN_40M_2SS;
  75                 break;
  76         }
  77         return raid;
  78 }
  79
  80 unsigned char ratetbl_val_2wifirate(unsigned char rate);
  81 unsigned char ratetbl_val_2wifirate(unsigned char rate)
  82 {
  83         switch (rate & 0x7f) {
  84         case 0:
  85                 return IEEE80211_CCK_RATE_1MB;
  86         case 1:
  87                 return IEEE80211_CCK_RATE_2MB;
  88         case 2:
  89                 return IEEE80211_CCK_RATE_5MB;
  90         case 3:
  91                 return IEEE80211_CCK_RATE_11MB;
  92         case 4:
  93                 return IEEE80211_OFDM_RATE_6MB;
  94         case 5:
  95                 return IEEE80211_OFDM_RATE_9MB;
  96         case 6:
  97                 return IEEE80211_OFDM_RATE_12MB;
  98         case 7:
  99                 return IEEE80211_OFDM_RATE_18MB;
 100         case 8:
 101                 return IEEE80211_OFDM_RATE_24MB;
 102         case 9:
 103                 return IEEE80211_OFDM_RATE_36MB;
 104         case 10:
 105                 return IEEE80211_OFDM_RATE_48MB;
 106         case 11:
 107                 return IEEE80211_OFDM_RATE_54MB;
 108         default:
 109                 return 0;
 110         }
 111 }
 112
 113 int is_basicrate(struct adapter *padapter, unsigned char rate);
 114 int is_basicrate(struct adapter *padapter, unsigned char rate)
 115 {
 116         int i;
 117         unsigned char val;
 118         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 119
 120         for (i = 0; i < NumRates; i++) {
 121                 val = pmlmeext->basicrate[i];
 122
 123                 if ((val != 0xff) && (val != 0xfe))
 124                         if (rate == ratetbl_val_2wifirate(val))
 125                                 return true;
 126         }
 127
 128         return false;
 129 }
 130
 131 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
 132 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 133 {
 134         int i;
 135         unsigned char rate;
 136         unsigned int    len = 0;
 137         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 138
 139         for (i = 0; i < NumRates; i++) {
 140                 rate = pmlmeext->datarate[i];
 141
 142                 switch (rate) {
 143                 case 0xff:
 144                         return len;
 145
 146                 case 0xfe:
 147                         continue;
 148
 149                 default:
 150                         rate = ratetbl_val_2wifirate(rate);
 151
 152                         if (is_basicrate(padapter, rate) == true)
 153                                 rate |= IEEE80211_BASIC_RATE_MASK;
 154
 155                         rateset[len] = rate;
 156                         len++;
 157                         break;
 158                 }
 159         }
 160         return len;
 161 }
 162
 163 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 164 {
 165         unsigned char supportedrates[NumRates];
 166
 167         memset(supportedrates, 0, NumRates);
 168         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 169         memcpy(pbssrate, supportedrates, *bssrate_len);
 170 }
 171
 172 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
 173 {
 174         u8 mcs_rate_1r = (u8)(mask&0xff);
 175         u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
 176         u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
 177         u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
 178
 179         mcs_set[0] &= mcs_rate_1r;
 180         mcs_set[1] &= mcs_rate_2r;
 181         mcs_set[2] &= mcs_rate_3r;
 182         mcs_set[3] &= mcs_rate_4r;
 183 }
 184
 185 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
 186 {
 187         u8 i;
 188         u8 rate;
 189
 190         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 191         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 192                 rate = mBratesOS[i] & 0x7f;
 193                 switch (rate) {
 194                 case IEEE80211_CCK_RATE_1MB:
 195                 case IEEE80211_CCK_RATE_2MB:
 196                 case IEEE80211_CCK_RATE_5MB:
 197                 case IEEE80211_CCK_RATE_11MB:
 198                 case IEEE80211_OFDM_RATE_6MB:
 199                 case IEEE80211_OFDM_RATE_12MB:
 200                 case IEEE80211_OFDM_RATE_24MB:
 201                         mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
 202                         break;
 203                 }
 204         }
 205 }
 206
 207 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 208 {
 209         u8 i;
 210         u8 rate;
 211
 212         for (i = 0; i < bssratelen; i++) {
 213                 rate = bssrateset[i] & 0x7f;
 214                 switch (rate) {
 215                 case IEEE80211_CCK_RATE_1MB:
 216                 case IEEE80211_CCK_RATE_2MB:
 217                 case IEEE80211_CCK_RATE_5MB:
 218                 case IEEE80211_CCK_RATE_11MB:
 219                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 220                         break;
 221                 }
 222         }
 223 }
 224
 225 void Save_DM_Func_Flag(struct adapter *padapter)
 226 {
 227         u8 bSaveFlag = true;
 228
 229         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 230 }
 231
 232 void Restore_DM_Func_Flag(struct adapter *padapter)
 233 {
 234         u8 bSaveFlag = false;
 235
 236         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 237 }
 238
 239 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 240 {
 241         if (enable == true)
 242                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 243         else
 244                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 245 }
 246
 247 void Set_MSR(struct adapter *padapter, u8 type)
 248 {
 249         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 250 }
 251
 252 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 253 {
 254         return adapter_to_dvobj(adapter)->oper_channel;
 255 }
 256
 257 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 258 {
 259 #ifdef DBG_CH_SWITCH
 260         const int len = 128;
 261         char msg[128] = {0};
 262         int cnt = 0;
 263         int i = 0;
 264 #endif  /* DBG_CH_SWITCH */
 265         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 266
 267         if (dvobj->oper_channel != ch) {
 268                 dvobj->on_oper_ch_time = jiffies;
 269
 270 #ifdef DBG_CH_SWITCH
 271                 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
 272
 273                 for (i = 0; i < dvobj->iface_nums; i++) {
 274                         struct adapter *iface = dvobj->padapters[i];
 275
 276                         cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface));
 277                         if (iface->mlmeextpriv.cur_channel == ch)
 278                                 cnt += scnprintf(msg+cnt, len-cnt, "C");
 279                         else
 280                                 cnt += scnprintf(msg+cnt, len-cnt, "_");
 281                         if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
 282                                 cnt += scnprintf(msg+cnt, len-cnt, "L");
 283                         else
 284                                 cnt += scnprintf(msg+cnt, len-cnt, "_");
 285                         cnt += scnprintf(msg+cnt, len-cnt, "]");
 286                 }
 287
 288 #endif /* DBG_CH_SWITCH */
 289         }
 290
 291         dvobj->oper_channel = ch;
 292 }
 293
 294 inline u8 rtw_get_oper_bw(struct adapter *adapter)
 295 {
 296         return adapter_to_dvobj(adapter)->oper_bwmode;
 297 }
 298
 299 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 300 {
 301         adapter_to_dvobj(adapter)->oper_bwmode = bw;
 302 }
 303
 304 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
 305 {
 306         return adapter_to_dvobj(adapter)->oper_ch_offset;
 307 }
 308
 309 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 310 {
 311         adapter_to_dvobj(adapter)->oper_ch_offset = offset;
 312 }
 313
 314 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
 315 {
 316         u8 center_ch = channel;
 317
 318         if (chnl_bw == CHANNEL_WIDTH_40) {
 319                 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
 320                         center_ch = channel + 2;
 321                 else
 322                         center_ch = channel - 2;
 323         }
 324
 325         return center_ch;
 326 }
 327
 328 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
 329 {
 330         if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
 331                 return adapter_to_dvobj(adapter)->on_oper_ch_time;
 332         else
 333                 return 0;
 334 }
 335
 336 void SelectChannel(struct adapter *padapter, unsigned char channel)
 337 {
 338         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 339                 return;
 340
 341         /* saved channel info */
 342         rtw_set_oper_ch(padapter, channel);
 343
 344         rtw_hal_set_chan(padapter, channel);
 345
 346         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 347 }
 348
 349 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 350 {
 351         u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 352
 353         center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
 354
 355
 356         /* set Channel */
 357         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 358                 return;
 359
 360         /* saved channel/bw info */
 361         rtw_set_oper_ch(padapter, channel);
 362         rtw_set_oper_bw(padapter, bwmode);
 363         rtw_set_oper_choffset(padapter, channel_offset);
 364
 365         rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /*  set center channel */
 366
 367         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 368 }
 369
 370 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
 371 {
 372         return pnetwork->mac_address;
 373 }
 374
 375 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 376 {
 377         __le16 val;
 378
 379         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
 380
 381         return le16_to_cpu(val);
 382 }
 383
 384 int is_client_associated_to_ap(struct adapter *padapter)
 385 {
 386         struct mlme_ext_priv *pmlmeext;
 387         struct mlme_ext_info *pmlmeinfo;
 388
 389         if (!padapter)
 390                 return _FAIL;
 391
 392         pmlmeext = &padapter->mlmeextpriv;
 393         pmlmeinfo = &(pmlmeext->mlmext_info);
 394
 395         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 396                 return true;
 397         else
 398                 return _FAIL;
 399 }
 400
 401 int is_client_associated_to_ibss(struct adapter *padapter)
 402 {
 403         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 404         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 405
 406         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 407                 return true;
 408         else
 409                 return _FAIL;
 410 }
 411
 412 int is_IBSS_empty(struct adapter *padapter)
 413 {
 414         unsigned int i;
 415         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 416         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 417
 418         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 419                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 420                         return _FAIL;
 421         }
 422
 423         return true;
 424 }
 425
 426 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 427 {
 428         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 429                 return WAIT_FOR_BCN_TO_MIN;
 430         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 431                 return WAIT_FOR_BCN_TO_MAX;
 432         else
 433                 return bcn_interval << 2;
 434 }
 435
 436 void invalidate_cam_all(struct adapter *padapter)
 437 {
 438         struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
 439         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 440
 441         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 442
 443         spin_lock_bh(&cam_ctl->lock);
 444         cam_ctl->bitmap = 0;
 445         memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
 446         spin_unlock_bh(&cam_ctl->lock);
 447 }
 448
 449 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
 450 {
 451         u32 count = 0, cmd;
 452
 453         cmd = CAM_POLLINIG | addr;
 454         rtw_write32(padapter, RWCAM, cmd);
 455
 456         do {
 457                 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
 458                         break;
 459         } while (count++ < 100);
 460
 461         return rtw_read32(padapter, REG_CAMREAD);
 462 }
 463
 464 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
 465 {
 466         u32 j, addr, cmd;
 467
 468         addr = entry << 3;
 469
 470         for (j = 0; j < 6; j++) {
 471                 cmd = _ReadCAM(padapter, addr+j);
 472                 if (j > 1) /* get key from cam */
 473                         memcpy(get_key+(j-2)*4, &cmd, 4);
 474         }
 475 }
 476
 477 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 478 {
 479         unsigned int i, val, addr;
 480         int j;
 481         u32 cam_val[2];
 482
 483         addr = entry << 3;
 484
 485         for (j = 5; j >= 0; j--) {
 486                 switch (j) {
 487                 case 0:
 488                         val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
 489                         break;
 490                 case 1:
 491                         val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
 492                         break;
 493                 default:
 494                         i = (j - 2) << 2;
 495                         val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
 496                         break;
 497                 }
 498
 499                 cam_val[0] = val;
 500                 cam_val[1] = addr + (unsigned int)j;
 501
 502                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 503         }
 504 }
 505
 506 void _clear_cam_entry(struct adapter *padapter, u8 entry)
 507 {
 508         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 509         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 510
 511         _write_cam(padapter, entry, 0, null_sta, null_key);
 512 }
 513
 514 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 515 {
 516         _write_cam(adapter, id, ctrl, mac, key);
 517         write_cam_cache(adapter, id, ctrl, mac, key);
 518 }
 519
 520 inline void clear_cam_entry(struct adapter *adapter, u8 id)
 521 {
 522         _clear_cam_entry(adapter, id);
 523         clear_cam_cache(adapter, id);
 524 }
 525
 526 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 527 {
 528         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 529         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 530
 531         spin_lock_bh(&cam_ctl->lock);
 532
 533         dvobj->cam_cache[id].ctrl = ctrl;
 534         memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
 535         memcpy(dvobj->cam_cache[id].key, key, 16);
 536
 537         spin_unlock_bh(&cam_ctl->lock);
 538 }
 539
 540 void clear_cam_cache(struct adapter *adapter, u8 id)
 541 {
 542         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 543         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 544
 545         spin_lock_bh(&cam_ctl->lock);
 546
 547         memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
 548
 549         spin_unlock_bh(&cam_ctl->lock);
 550 }
 551
 552 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
 553 {
 554         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 555         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 556         bool ret = false;
 557
 558         if (cam_id >= TOTAL_CAM_ENTRY)
 559                 goto exit;
 560
 561         if (!(cam_ctl->bitmap & BIT(cam_id)))
 562                 goto exit;
 563
 564         ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
 565
 566 exit:
 567         return ret;
 568 }
 569
 570 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 571 {
 572         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 573         int i;
 574         s16 cam_id = -1;
 575
 576         for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
 577                 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
 578                         continue;
 579                 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
 580                         continue;
 581
 582                 cam_id = i;
 583                 break;
 584         }
 585
 586         return cam_id;
 587 }
 588
 589 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 590 {
 591         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 592         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 593         s16 cam_id = -1;
 594
 595         spin_lock_bh(&cam_ctl->lock);
 596         cam_id = _rtw_camid_search(adapter, addr, kid);
 597         spin_unlock_bh(&cam_ctl->lock);
 598
 599         return cam_id;
 600 }
 601
 602 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
 603 {
 604         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 605         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 606         s16 cam_id = -1;
 607         struct mlme_ext_info *mlmeinfo;
 608
 609         spin_lock_bh(&cam_ctl->lock);
 610
 611         mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
 612
 613         if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 614                 && !sta) {
 615                 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
 616                 if (kid > 3) {
 617                         netdev_dbg(adapter->pnetdev,
 618                                    FUNC_ADPT_FMT " group key with invalid key id:%u\n",
 619                                    FUNC_ADPT_ARG(adapter), kid);
 620                         rtw_warn_on(1);
 621                         goto bitmap_handle;
 622                 }
 623
 624                 cam_id = kid;
 625         } else {
 626                 int i;
 627                 u8 *addr = sta?sta->hwaddr:NULL;
 628
 629                 if (!sta) {
 630                         if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
 631                                 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
 632                                 goto bitmap_handle;
 633                         }
 634
 635                         addr = get_bssid(&adapter->mlmepriv);
 636                 }
 637
 638                 i = _rtw_camid_search(adapter, addr, kid);
 639                 if (i >= 0) {
 640                         /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
 641                         if (sta || _rtw_camid_is_gk(adapter, i))
 642                                 cam_id = i;
 643                         else
 644                                 netdev_dbg(adapter->pnetdev,
 645                                            FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
 646                                            FUNC_ADPT_ARG(adapter), kid);
 647                         goto bitmap_handle;
 648                 }
 649
 650                 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
 651                         if (!(cam_ctl->bitmap & BIT(i)))
 652                                 break;
 653
 654                 if (i == TOTAL_CAM_ENTRY) {
 655                         if (sta)
 656                                 netdev_dbg(adapter->pnetdev,
 657                                            FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
 658                                            FUNC_ADPT_ARG(adapter),
 659                                            MAC_ARG(sta->hwaddr), kid);
 660                         else
 661                                 netdev_dbg(adapter->pnetdev,
 662                                            FUNC_ADPT_FMT " group key id:%u no room\n",
 663                                            FUNC_ADPT_ARG(adapter), kid);
 664                         rtw_warn_on(1);
 665                         goto bitmap_handle;
 666                 }
 667
 668                 cam_id = i;
 669         }
 670
 671 bitmap_handle:
 672         if (cam_id >= 0 && cam_id < 32)
 673                 cam_ctl->bitmap |= BIT(cam_id);
 674
 675         spin_unlock_bh(&cam_ctl->lock);
 676
 677         return cam_id;
 678 }
 679
 680 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
 681 {
 682         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 683         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 684
 685         spin_lock_bh(&cam_ctl->lock);
 686
 687         if (cam_id < TOTAL_CAM_ENTRY)
 688                 cam_ctl->bitmap &= ~(BIT(cam_id));
 689
 690         spin_unlock_bh(&cam_ctl->lock);
 691 }
 692
 693 int allocate_fw_sta_entry(struct adapter *padapter)
 694 {
 695         unsigned int mac_id;
 696         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 697         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 698
 699         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 700                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 701                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 702                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 703                         break;
 704                 }
 705         }
 706
 707         return mac_id;
 708 }
 709
 710 void flush_all_cam_entry(struct adapter *padapter)
 711 {
 712         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 713         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 714
 715         invalidate_cam_all(padapter);
 716         /* clear default key related key search setting */
 717         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
 718
 719         memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 720 }
 721
 722 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 723 {
 724         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 725         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 726         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 727         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 728
 729         if (pmlmepriv->qospriv.qos_option == 0) {
 730                 pmlmeinfo->WMM_enable = 0;
 731                 return false;
 732         }
 733
 734         if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
 735                 return false;
 736         else
 737                 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 738
 739         pmlmeinfo->WMM_enable = 1;
 740         return true;
 741 }
 742
 743 static void sort_wmm_ac_params(u32 *inx, u32 *edca)
 744 {
 745         u32 i, j, change_inx = false;
 746
 747         /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 748         for (i = 0; i < 4; i++) {
 749                 for (j = i + 1; j < 4; j++) {
 750                         /* compare CW and AIFS */
 751                         if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 752                                 change_inx = true;
 753                         } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 754                                 /* compare TXOP */
 755                                 if ((edca[j] >> 16) > (edca[i] >> 16))
 756                                         change_inx = true;
 757                         }
 758
 759                         if (change_inx) {
 760                                 swap(edca[i], edca[j]);
 761                                 swap(inx[i], inx[j]);
 762
 763                                 change_inx = false;
 764                         }
 765                 }
 766         }
 767 }
 768
 769 void WMMOnAssocRsp(struct adapter *padapter)
 770 {
 771         u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 772         u8 acm_mask;
 773         u16 TXOP;
 774         u32 acParm, i;
 775         u32 edca[4], inx[4];
 776         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 777         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 778         struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
 779         struct registry_priv *pregpriv = &padapter->registrypriv;
 780
 781         acm_mask = 0;
 782
 783         if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
 784                 aSifsTime = 16;
 785         else
 786                 aSifsTime = 10;
 787
 788         if (pmlmeinfo->WMM_enable == 0) {
 789                 padapter->mlmepriv.acm_mask = 0;
 790
 791                 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
 792
 793                 if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
 794                         ECWMin = 4;
 795                         ECWMax = 10;
 796                 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
 797                         ECWMin = 5;
 798                         ECWMax = 10;
 799                 } else {
 800                         ECWMin = 4;
 801                         ECWMax = 10;
 802                 }
 803
 804                 TXOP = 0;
 805                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 806                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 807                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 808                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 809
 810                 ECWMin = 2;
 811                 ECWMax = 3;
 812                 TXOP = 0x2f;
 813                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 814                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 815         } else {
 816                 edca[0] = edca[1] = edca[2] = edca[3] = 0;
 817
 818                 for (i = 0; i < 4; i++) {
 819                         ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 820                         ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 821
 822                         /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 823                         AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 824
 825                         ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
 826                         ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 827                         TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 828
 829                         acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 830
 831                         switch (ACI) {
 832                         case 0x0:
 833                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 834                                 acm_mask |= (ACM ? BIT(1):0);
 835                                 edca[XMIT_BE_QUEUE] = acParm;
 836                                 break;
 837
 838                         case 0x1:
 839                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 840                                 /* acm_mask |= (ACM? BIT(0):0); */
 841                                 edca[XMIT_BK_QUEUE] = acParm;
 842                                 break;
 843
 844                         case 0x2:
 845                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 846                                 acm_mask |= (ACM ? BIT(2):0);
 847                                 edca[XMIT_VI_QUEUE] = acParm;
 848                                 break;
 849
 850                         case 0x3:
 851                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 852                                 acm_mask |= (ACM ? BIT(3):0);
 853                                 edca[XMIT_VO_QUEUE] = acParm;
 854                                 break;
 855                         }
 856                 }
 857
 858                 if (padapter->registrypriv.acm_method == 1)
 859                         rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 860                 else
 861                         padapter->mlmepriv.acm_mask = acm_mask;
 862
 863                 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 864
 865                 if (pregpriv->wifi_spec == 1)
 866                         sort_wmm_ac_params(inx, edca);
 867
 868                 for (i = 0; i < 4; i++)
 869                         pxmitpriv->wmm_para_seq[i] = inx[i];
 870         }
 871 }
 872
 873 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 874 {
 875         unsigned char  new_bwmode;
 876         unsigned char  new_ch_offset;
 877         struct HT_info_element   *pHT_info;
 878         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 879         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 880         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 881         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 882         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
 883         u8 cbw40_enable = 0;
 884
 885         if (!pIE)
 886                 return;
 887
 888         if (phtpriv->ht_option == false)
 889                 return;
 890
 891         if (pIE->length > sizeof(struct HT_info_element))
 892                 return;
 893
 894         pHT_info = (struct HT_info_element *)pIE->data;
 895
 896         if (pmlmeext->cur_channel > 14) {
 897                 if ((pregistrypriv->bw_mode & 0xf0) > 0)
 898                         cbw40_enable = 1;
 899         } else {
 900                 if ((pregistrypriv->bw_mode & 0x0f) > 0)
 901                         cbw40_enable = 1;
 902         }
 903
 904         if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
 905                 new_bwmode = CHANNEL_WIDTH_40;
 906
 907                 switch (pHT_info->infos[0] & 0x3) {
 908                 case 1:
 909                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 910                         break;
 911
 912                 case 3:
 913                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 914                         break;
 915
 916                 default:
 917                         new_bwmode = CHANNEL_WIDTH_20;
 918                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 919                         break;
 920                 }
 921         } else {
 922                 new_bwmode = CHANNEL_WIDTH_20;
 923                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 924         }
 925
 926         if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
 927                 pmlmeinfo->bwmode_updated = true;
 928
 929                 pmlmeext->cur_bwmode = new_bwmode;
 930                 pmlmeext->cur_ch_offset = new_ch_offset;
 931
 932                 /* update HT info also */
 933                 HT_info_handler(padapter, pIE);
 934         } else {
 935                 pmlmeinfo->bwmode_updated = false;
 936         }
 937
 938         if (true == pmlmeinfo->bwmode_updated) {
 939                 struct sta_info *psta;
 940                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
 941                 struct sta_priv *pstapriv = &padapter->stapriv;
 942
 943                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
 944
 945                 /* update ap's stainfo */
 946                 psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
 947                 if (psta) {
 948                         struct ht_priv *phtpriv_sta = &psta->htpriv;
 949
 950                         if (phtpriv_sta->ht_option) {
 951                                 /*  bwmode */
 952                                 psta->bw_mode = pmlmeext->cur_bwmode;
 953                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 954                         } else {
 955                                 psta->bw_mode = CHANNEL_WIDTH_20;
 956                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 957                         }
 958
 959                         rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
 960                 }
 961         }
 962 }
 963
 964 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 965 {
 966         unsigned int    i;
 967         u8 max_AMPDU_len, min_MPDU_spacing;
 968         u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
 969         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 970         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 971         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
 972         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
 973
 974         if (!pIE)
 975                 return;
 976
 977         if (phtpriv->ht_option == false)
 978                 return;
 979
 980         pmlmeinfo->HT_caps_enable = 1;
 981
 982         for (i = 0; i < (pIE->length); i++) {
 983                 if (i != 2) {
 984                         /* Commented by Albert 2010/07/12 */
 985                         /* Got the endian issue here. */
 986                         pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
 987                 } else {
 988                         /* modify from  fw by Thomas 2010/11/17 */
 989                         max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
 990                                             pIE->data[i] & 0x3);
 991
 992                         min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
 993                                                pIE->data[i] & 0x1c);
 994
 995                         pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
 996                 }
 997         }
 998
 999         /* update the MCS set */
1000         for (i = 0; i < 16; i++)
1001                 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1002
1003         /* update the MCS rates */
1004         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1005
1006         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1007                 /*  Config STBC setting */
1008                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1009                     GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
1010                         SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1011
1012                 phtpriv->stbc_cap = cur_stbc_cap;
1013         } else {
1014                 /*  Config LDPC Coding Capability */
1015                 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
1016                     GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
1017                         SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1018
1019                 phtpriv->ldpc_cap = cur_ldpc_cap;
1020
1021                 /*  Config STBC setting */
1022                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1023                     GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
1024                         SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1025
1026                 phtpriv->stbc_cap = cur_stbc_cap;
1027         }
1028 }
1029
1030 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1031 {
1032         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1033         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1034         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1035         struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1036
1037         if (!pIE)
1038                 return;
1039
1040         if (phtpriv->ht_option == false)
1041                 return;
1042
1043         if (pIE->length > sizeof(struct HT_info_element))
1044                 return;
1045
1046         pmlmeinfo->HT_info_enable = 1;
1047         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->length);
1048 }
1049
1050 void HTOnAssocRsp(struct adapter *padapter)
1051 {
1052         unsigned char max_AMPDU_len;
1053         unsigned char min_MPDU_spacing;
1054         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
1055         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1056         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1057
1058         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1059                 pmlmeinfo->HT_enable = 1;
1060         } else {
1061                 pmlmeinfo->HT_enable = 0;
1062                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1063                 return;
1064         }
1065
1066         /* handle A-MPDU parameter field */
1067         /*
1068                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1069                 AMPDU_para [4:2]:Min MPDU Start Spacing
1070         */
1071         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1072
1073         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1074
1075         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1076
1077         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1078 }
1079
1080 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1081 {
1082         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1083         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1084
1085         if (pIE->length > 1)
1086                 return;
1087
1088         pmlmeinfo->ERP_enable = 1;
1089         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->length);
1090 }
1091
1092 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1093 {
1094         struct registry_priv  *pregpriv = &padapter->registrypriv;
1095         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1096         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1097
1098         switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1099         case 0: /* off */
1100                 psta->rtsen = 0;
1101                 psta->cts2self = 0;
1102                 break;
1103
1104         case 1: /* on */
1105                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1106                         psta->rtsen = 1;
1107                         psta->cts2self = 0;
1108                 } else {
1109                         psta->rtsen = 0;
1110                         psta->cts2self = 1;
1111                 }
1112                 break;
1113
1114         case 2: /* auto */
1115         default:
1116                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1117                         if (pregpriv->vcs_type == 1) {
1118                                 psta->rtsen = 1;
1119                                 psta->cts2self = 0;
1120                         } else {
1121                                 psta->rtsen = 0;
1122                                 psta->cts2self = 1;
1123                         }
1124                 } else {
1125                         psta->rtsen = 0;
1126                         psta->cts2self = 0;
1127                 }
1128                 break;
1129         }
1130 }
1131
1132 void update_ldpc_stbc_cap(struct sta_info *psta)
1133 {
1134         if (psta->htpriv.ht_option) {
1135                 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1136                         psta->ldpc = 1;
1137
1138                 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1139                         psta->stbc = 1;
1140         } else {
1141                 psta->ldpc = 0;
1142                 psta->stbc = 0;
1143         }
1144 }
1145
1146 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1147 {
1148         unsigned int len;
1149         unsigned char *p;
1150         unsigned short  val16, subtype;
1151         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1152         /* u8 wpa_ie[255], rsn_ie[255]; */
1153         u16 wpa_len = 0, rsn_len = 0;
1154         u8 encryp_protocol = 0;
1155         struct wlan_bssid_ex *bssid;
1156         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1157         unsigned char *pbuf;
1158         u32 wpa_ielen = 0;
1159         u8 *pbssid = GetAddr3Ptr(pframe);
1160         struct HT_info_element *pht_info = NULL;
1161         struct ieee80211_ht_cap *pht_cap = NULL;
1162         u32 bcn_channel;
1163         unsigned short  ht_cap_info;
1164         unsigned char ht_info_infos_0;
1165         struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1166         int ssid_len;
1167
1168         if (is_client_associated_to_ap(Adapter) == false)
1169                 return true;
1170
1171         len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1172
1173         if (len > MAX_IE_SZ)
1174                 return _FAIL;
1175
1176         if (memcmp(cur_network->network.mac_address, pbssid, 6))
1177                 return true;
1178
1179         bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1180         if (!bssid)
1181                 return true;
1182
1183         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1184                 pmlmepriv->timeBcnInfoChkStart = 0;
1185                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1186         }
1187
1188         subtype = GetFrameSubType(pframe) >> 4;
1189
1190         if (subtype == WIFI_BEACON)
1191                 bssid->reserved[0] = 1;
1192
1193         bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1194
1195         /* below is to copy the information element */
1196         bssid->ie_length = len;
1197         memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
1198
1199         /* check bw and channel offset */
1200         /* parsing HT_CAP_IE */
1201         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1202         if (p && len > 0) {
1203                 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1204                 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1205         } else {
1206                 ht_cap_info = 0;
1207         }
1208         /* parsing HT_INFO_IE */
1209         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1210         if (p && len > 0) {
1211                 pht_info = (struct HT_info_element *)(p + 2);
1212                 ht_info_infos_0 = pht_info->infos[0];
1213         } else {
1214                 ht_info_infos_0 = 0;
1215         }
1216         if (ht_cap_info != cur_network->bcn_info.ht_cap_info ||
1217             ((ht_info_infos_0&0x03) != (cur_network->bcn_info.ht_info_infos_0&0x03))) {
1218                 {
1219                         /* bcn_info_update */
1220                         cur_network->bcn_info.ht_cap_info = ht_cap_info;
1221                         cur_network->bcn_info.ht_info_infos_0 = ht_info_infos_0;
1222                         /* to do : need to check that whether modify related register of BB or not */
1223                 }
1224                 /* goto _mismatch; */
1225         }
1226
1227         /* Checking for channel */
1228         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1229         if (p) {
1230                 bcn_channel = *(p + 2);
1231         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1232                 rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1233                            &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1234                 if (pht_info)
1235                         bcn_channel = pht_info->primary_channel;
1236                 else /* we don't find channel IE, so don't check it */
1237                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
1238         }
1239
1240         if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1241                 goto _mismatch;
1242
1243         /* checking SSID */
1244         ssid_len = 0;
1245         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1246         if (p) {
1247                 ssid_len = *(p + 1);
1248                 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1249                         ssid_len = 0;
1250         }
1251         memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
1252         bssid->ssid.ssid_length = ssid_len;
1253
1254         if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
1255                         bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length)
1256                 if (bssid->ssid.ssid[0] != '\0' &&
1257                     bssid->ssid.ssid_length != 0) /* not hidden ssid */
1258                         goto _mismatch;
1259
1260         /* check encryption info */
1261         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1262
1263         if (val16 & BIT(4))
1264                 bssid->privacy = 1;
1265         else
1266                 bssid->privacy = 0;
1267
1268         if (cur_network->network.privacy != bssid->privacy)
1269                 goto _mismatch;
1270
1271         rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
1272
1273         if (rsn_len > 0)
1274                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1275         else if (wpa_len > 0)
1276                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1277         else
1278                 if (bssid->privacy)
1279                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
1280
1281         if (cur_network->bcn_info.encryp_protocol != encryp_protocol)
1282                 goto _mismatch;
1283
1284         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1285                 pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1286                 if (pbuf && (wpa_ielen > 0)) {
1287                         rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1288                                          &pairwise_cipher, &is_8021x);
1289                 } else {
1290                         pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1291
1292                         if (pbuf && (wpa_ielen > 0))
1293                                 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1294                                                   &pairwise_cipher, &is_8021x);
1295                 }
1296
1297                 if (pairwise_cipher != cur_network->bcn_info.pairwise_cipher ||
1298                     group_cipher != cur_network->bcn_info.group_cipher)
1299                         goto _mismatch;
1300
1301                 if (is_8021x != cur_network->bcn_info.is_8021x)
1302                         goto _mismatch;
1303         }
1304
1305         kfree(bssid);
1306         return _SUCCESS;
1307
1308 _mismatch:
1309         kfree(bssid);
1310
1311         if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1312                 pmlmepriv->timeBcnInfoChkStart = jiffies;
1313
1314         pmlmepriv->NumOfBcnInfoChkFail++;
1315
1316         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1317                 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1318                 pmlmepriv->timeBcnInfoChkStart = 0;
1319                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1320                 return _FAIL;
1321         }
1322
1323         return _SUCCESS;
1324 }
1325
1326 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1327 {
1328         unsigned int i;
1329         unsigned int len;
1330         struct ndis_80211_var_ie *pIE;
1331
1332         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1333
1334         for (i = 0; i < len;) {
1335                 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1336
1337                 switch (pIE->element_id) {
1338                 case WLAN_EID_VENDOR_SPECIFIC:
1339                         /* to update WMM parameter set while receiving beacon */
1340                         if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->length == WLAN_WMM_LEN) /* WMM */
1341                                 if (WMM_param_handler(padapter, pIE))
1342                                         report_wmm_edca_update(padapter);
1343
1344                         break;
1345
1346                 case WLAN_EID_HT_OPERATION:     /* HT info */
1347                         /* HT_info_handler(padapter, pIE); */
1348                         bwmode_update_check(padapter, pIE);
1349                         break;
1350
1351                 case WLAN_EID_ERP_INFO:
1352                         ERP_IE_handler(padapter, pIE);
1353                         VCS_update(padapter, psta);
1354                         break;
1355
1356                 default:
1357                         break;
1358                 }
1359
1360                 i += (pIE->length + 2);
1361         }
1362 }
1363
1364 unsigned int is_ap_in_tkip(struct adapter *padapter)
1365 {
1366         u32 i;
1367         struct ndis_80211_var_ie *pIE;
1368         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1369         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1370         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1371
1372         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1373                 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
1374                         pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
1375
1376                         switch (pIE->element_id) {
1377                         case WLAN_EID_VENDOR_SPECIFIC:
1378                                 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1379                                         return true;
1380
1381                                 break;
1382
1383                         case WLAN_EID_RSN:
1384                                 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1385                                         return true;
1386                                 break;
1387
1388                         default:
1389                                 break;
1390                         }
1391
1392                         i += (pIE->length + 2);
1393                 }
1394
1395                 return false;
1396         } else {
1397                 return false;
1398         }
1399 }
1400
1401 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1402 {
1403         unsigned char bit_offset;
1404         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1405         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1406
1407         if (!(pmlmeinfo->HT_enable))
1408                 return _FAIL;
1409
1410         bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1411
1412         if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1413                 return _SUCCESS;
1414         else
1415                 return _FAIL;
1416 }
1417
1418 unsigned char get_highest_rate_idx(u32 mask)
1419 {
1420         int i;
1421         unsigned char rate_idx = 0;
1422
1423         for (i = 31; i >= 0; i--) {
1424                 if (mask & BIT(i)) {
1425                         rate_idx = i;
1426                         break;
1427                 }
1428         }
1429
1430         return rate_idx;
1431 }
1432
1433 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1434 {
1435         rtw_hal_update_ra_mask(psta, 0);
1436 }
1437
1438 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1439 {
1440         /* rate adaptive */
1441         Update_RA_Entry(padapter, psta);
1442 }
1443
1444 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
1445 {
1446         u32 Vender = HT_IOT_PEER_REALTEK;
1447
1448         if (pIE->length >= 5) {
1449                 if (pIE->data[4] == 1)
1450                         /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1451                         /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1452                         if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1453                                 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1454                                 Vender = HT_IOT_PEER_REALTEK_92SE;
1455
1456                 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1457                         Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1458
1459                 if (pIE->data[4] == 2) {
1460                         if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1461                                 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1462
1463                         if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1464                                 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1465                 }
1466         }
1467
1468         return Vender;
1469 }
1470
1471 unsigned char check_assoc_AP(u8 *pframe, uint len)
1472 {
1473         unsigned int    i;
1474         struct ndis_80211_var_ie *pIE;
1475
1476         for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1477                 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1478
1479                 switch (pIE->element_id) {
1480                 case WLAN_EID_VENDOR_SPECIFIC:
1481                         if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
1482                                 return HT_IOT_PEER_ATHEROS;
1483                         else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1484                                  (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1485                                  (!memcmp(pIE->data, BROADCOM_OUI3, 3)))
1486                                 return HT_IOT_PEER_BROADCOM;
1487                         else if (!memcmp(pIE->data, MARVELL_OUI, 3))
1488                                 return HT_IOT_PEER_MARVELL;
1489                         else if (!memcmp(pIE->data, RALINK_OUI, 3))
1490                                 return HT_IOT_PEER_RALINK;
1491                         else if (!memcmp(pIE->data, CISCO_OUI, 3))
1492                                 return HT_IOT_PEER_CISCO;
1493                         else if (!memcmp(pIE->data, REALTEK_OUI, 3))
1494                                 return get_realtek_assoc_AP_vender(pIE);
1495                         else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
1496                                 return HT_IOT_PEER_AIRGO;
1497                         else
1498                                 break;
1499
1500                 default:
1501                         break;
1502                 }
1503
1504                 i += (pIE->length + 2);
1505         }
1506
1507         return HT_IOT_PEER_UNKNOWN;
1508 }
1509
1510 void update_IOT_info(struct adapter *padapter)
1511 {
1512         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1513         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1514
1515         switch (pmlmeinfo->assoc_AP_vendor) {
1516         case HT_IOT_PEER_MARVELL:
1517                 pmlmeinfo->turboMode_cts2self = 1;
1518                 pmlmeinfo->turboMode_rtsen = 0;
1519                 break;
1520
1521         case HT_IOT_PEER_RALINK:
1522                 pmlmeinfo->turboMode_cts2self = 0;
1523                 pmlmeinfo->turboMode_rtsen = 1;
1524                 /* disable high power */
1525                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1526                 break;
1527         case HT_IOT_PEER_REALTEK:
1528                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1529                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1530                 /* disable high power */
1531                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1532                 break;
1533         default:
1534                 pmlmeinfo->turboMode_cts2self = 0;
1535                 pmlmeinfo->turboMode_rtsen = 1;
1536                 break;
1537         }
1538 }
1539
1540 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1541 {
1542         struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1543         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1544         bool            ShortPreamble;
1545
1546         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1547         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1548         /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1549         {
1550                 if (updateCap & cShortPreamble) {
1551                         /*  Short Preamble */
1552                         if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1553                                 ShortPreamble = true;
1554                                 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1555                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1556                         }
1557                 } else {
1558                         /*  Long Preamble */
1559                         if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1560                                 ShortPreamble = false;
1561                                 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1562                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1563                         }
1564                 }
1565         }
1566
1567         if (updateCap & cIBSS) {
1568                 /* Filen: See 802.11-2007 p.91 */
1569                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1570         } else {
1571                 /* Filen: See 802.11-2007 p.90 */
1572                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
1573                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1574                 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1575                         if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1576                                 /*  Short Slot Time */
1577                                 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1578                         else
1579                                 /*  Long Slot Time */
1580                                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1581                 } else {
1582                         /* B Mode */
1583                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1584                 }
1585         }
1586
1587         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1588 }
1589
1590 void update_wireless_mode(struct adapter *padapter)
1591 {
1592         int network_type = 0;
1593         u32 SIFS_Timer;
1594         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1595         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1596         struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1597         unsigned char *rate = cur_network->supported_rates;
1598
1599         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1600                 pmlmeinfo->HT_enable = 1;
1601
1602         if (pmlmeinfo->HT_enable)
1603                 network_type = WIRELESS_11_24N;
1604
1605         if (rtw_is_cckratesonly_included(rate))
1606                 network_type |= WIRELESS_11B;
1607         else if (rtw_is_cckrates_included(rate))
1608                 network_type |= WIRELESS_11BG;
1609         else
1610                 network_type |= WIRELESS_11G;
1611
1612         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1613
1614         SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1615                                                                                                         /* change this value if having IOT issues. */
1616
1617         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1618
1619         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE,  (u8 *)&(pmlmeext->cur_wireless_mode));
1620
1621         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1622                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1623         else
1624                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1625 }
1626
1627 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1628 {
1629         if (is_supported_tx_cck(wireless_mode)) {
1630                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1631                 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1632                 psta->bssratelen = 4;
1633         } else {
1634                 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1635                 psta->bssratelen = 3;
1636         }
1637 }
1638
1639 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1640 {
1641         unsigned int    ie_len;
1642         struct ndis_80211_var_ie *pIE;
1643         int     supportRateNum = 0;
1644         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1645         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1646
1647         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1648         if (!pIE)
1649                 return _FAIL;
1650         if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1651                 return _FAIL;
1652
1653         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1654         supportRateNum = ie_len;
1655
1656         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1657         if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1658                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1659
1660         return _SUCCESS;
1661 }
1662
1663 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1664 {
1665         struct sta_info *psta;
1666         u16 tid, param;
1667         struct recv_reorder_ctrl *preorder_ctrl;
1668         struct sta_priv *pstapriv = &padapter->stapriv;
1669         struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1670         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1671         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1672
1673         psta = rtw_get_stainfo(pstapriv, addr);
1674
1675         if (psta) {
1676                 param = le16_to_cpu(preq->BA_para_set);
1677                 tid = (param>>2)&0x0f;
1678
1679                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1680
1681                 preorder_ctrl->indicate_seq = 0xffff;
1682
1683                 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1684         }
1685 }
1686
1687 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1688 {
1689         u8 *pIE;
1690         __le32 *pbuf;
1691
1692         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1693         pbuf = (__le32 *)pIE;
1694
1695         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1696
1697         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1698
1699         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1700 }
1701
1702 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1703 {
1704         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1705 }
1706
1707 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1708 {
1709         int i;
1710         u8 *pIE;
1711         __le32 *pbuf;
1712         u64 tsf = 0;
1713         u32 delay_ms;
1714         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1715
1716         pmlmeext->bcn_cnt++;
1717
1718         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1719         pbuf = (__le32 *)pIE;
1720
1721         tsf = le32_to_cpu(*(pbuf+1));
1722         tsf = tsf << 32;
1723         tsf |= le32_to_cpu(*pbuf);
1724
1725         /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1726         /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1727         delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1728         delay_ms = delay_ms/1000;
1729
1730         if (delay_ms >= 8)
1731                 pmlmeext->bcn_delay_cnt[8]++;
1732                 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1733         else
1734                 pmlmeext->bcn_delay_cnt[delay_ms]++;
1735                 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1736
1737 /*
1738
1739         for (i = 0; i<9; i++)
1740         {
1741                         pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1742         }
1743 */
1744
1745         /* dump for  adaptive_early_32k */
1746         if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1747                 u8 ratio_20_delay, ratio_80_delay;
1748                 u8 DrvBcnEarly, DrvBcnTimeOut;
1749
1750                 ratio_20_delay = 0;
1751                 ratio_80_delay = 0;
1752                 DrvBcnEarly = 0xff;
1753                 DrvBcnTimeOut = 0xff;
1754
1755                 for (i = 0; i < 9; i++) {
1756                         pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1757
1758                         ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1759                         ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1760
1761                         if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1762                                 DrvBcnEarly = i;
1763
1764                         if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1765                                 DrvBcnTimeOut = i;
1766
1767                         /* reset adaptive_early_32k cnt */
1768                         pmlmeext->bcn_delay_cnt[i] = 0;
1769                         pmlmeext->bcn_delay_ratio[i] = 0;
1770                 }
1771
1772                 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1773                 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1774
1775                 pmlmeext->bcn_cnt = 0;
1776         }
1777 }
1778
1779 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1780 {
1781         int i;
1782         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1783
1784         if (is_broadcast_ether_addr(psta->hwaddr))
1785                 return;
1786
1787         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1788                 psta->mac_id = NUM_STA;
1789                 return;
1790         }
1791
1792         spin_lock_bh(&pdvobj->lock);
1793         for (i = 0; i < NUM_STA; i++) {
1794                 if (pdvobj->macid[i] == false) {
1795                         pdvobj->macid[i]  = true;
1796                         break;
1797                 }
1798         }
1799         spin_unlock_bh(&pdvobj->lock);
1800
1801         if (i > (NUM_STA - 1))
1802                 psta->mac_id = NUM_STA;
1803         else
1804                 psta->mac_id = i;
1805 }
1806
1807 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1808 {
1809         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1810
1811         if (is_broadcast_ether_addr(psta->hwaddr))
1812                 return;
1813
1814         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1815                 return;
1816
1817         spin_lock_bh(&pdvobj->lock);
1818         if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1819                 if (pdvobj->macid[psta->mac_id] == true) {
1820                         pdvobj->macid[psta->mac_id] = false;
1821                         psta->mac_id = NUM_STA;
1822                 }
1823         }
1824         spin_unlock_bh(&pdvobj->lock);
1825 }
1826
1827 /* For 8188E RA */
1828 u8 rtw_search_max_mac_id(struct adapter *padapter)
1829 {
1830         u8 max_mac_id = 0;
1831         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1832         int i;
1833
1834         spin_lock_bh(&pdvobj->lock);
1835         for (i = (NUM_STA-1); i >= 0 ; i--) {
1836                 if (pdvobj->macid[i] == true)
1837                         break;
1838         }
1839         max_mac_id = i;
1840         spin_unlock_bh(&pdvobj->lock);
1841
1842         return max_mac_id;
1843 }
1844
1845 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
1846 {
1847         if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
1848                 return NULL;
1849
1850         return dvobj->padapters;
1851 }