drivers/staging/rtl8188eu/core/rtw_wlan_util.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20 #define _RTW_WLAN_UTIL_C_
  21
  22 #include <osdep_service.h>
  23 #include <drv_types.h>
  24 #include <wifi.h>
  25
  26 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
  27 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
  28
  29 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
  30 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
  31
  32 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
  33 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
  34 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
  35 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
  36 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
  37 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
  38
  39 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
  40
  41 #define R2T_PHY_DELAY   (0)
  42
  43 /* define WAIT_FOR_BCN_TO_M     (3000) */
  44 #define WAIT_FOR_BCN_TO_MIN     (6000)
  45 #define WAIT_FOR_BCN_TO_MAX     (20000)
  46
  47 static u8 rtw_basic_rate_cck[4] = {
  48         IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
  49         IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
  50 };
  51
  52 static u8 rtw_basic_rate_ofdm[3] = {
  53         IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
  54         IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
  55 };
  56
  57 static u8 rtw_basic_rate_mix[7] = {
  58         IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
  59         IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
  60         IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
  61         IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
  62 };
  63
  64 int cckrates_included(unsigned char *rate, int ratelen)
  65 {
  66         int     i;
  67
  68         for (i = 0; i < ratelen; i++) {
  69                 if  ((((rate[i]) & 0x7f) == 2)  || (((rate[i]) & 0x7f) == 4) ||
  70                      (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
  71                         return true;
  72         }
  73         return false;
  74 }
  75
  76 int cckratesonly_included(unsigned char *rate, int ratelen)
  77 {
  78         int     i;
  79
  80         for (i = 0; i < ratelen; i++) {
  81                 if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
  82                            (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
  83                         return false;
  84         }
  85
  86         return true;
  87 }
  88
  89 unsigned char networktype_to_raid(unsigned char network_type)
  90 {
  91         unsigned char raid;
  92
  93         switch (network_type) {
  94         case WIRELESS_11B:
  95                 raid = RATR_INX_WIRELESS_B;
  96                 break;
  97         case WIRELESS_11A:
  98         case WIRELESS_11G:
  99                 raid = RATR_INX_WIRELESS_G;
 100                 break;
 101         case WIRELESS_11BG:
 102                 raid = RATR_INX_WIRELESS_GB;
 103                 break;
 104         case WIRELESS_11_24N:
 105         case WIRELESS_11_5N:
 106                 raid = RATR_INX_WIRELESS_N;
 107                 break;
 108         case WIRELESS_11A_5N:
 109         case WIRELESS_11G_24N:
 110                 raid = RATR_INX_WIRELESS_NG;
 111                 break;
 112         case WIRELESS_11BG_24N:
 113                 raid = RATR_INX_WIRELESS_NGB;
 114                 break;
 115         default:
 116                 raid = RATR_INX_WIRELESS_GB;
 117                 break;
 118         }
 119         return raid;
 120 }
 121
 122 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
 123 {
 124         u8 network_type = 0;
 125         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 126         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 127
 128         if (pmlmeext->cur_channel > 14) {
 129                 if (pmlmeinfo->HT_enable)
 130                         network_type = WIRELESS_11_5N;
 131
 132                 network_type |= WIRELESS_11A;
 133         } else {
 134                 if (pmlmeinfo->HT_enable)
 135                         network_type = WIRELESS_11_24N;
 136
 137                 if ((cckratesonly_included(rate, ratelen)) == true)
 138                         network_type |= WIRELESS_11B;
 139                 else if ((cckrates_included(rate, ratelen)) == true)
 140                         network_type |= WIRELESS_11BG;
 141                 else
 142                         network_type |= WIRELESS_11G;
 143         }
 144         return  network_type;
 145 }
 146
 147 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
 148 {
 149         unsigned char val = 0;
 150
 151         switch (rate & 0x7f) {
 152         case 0:
 153                 val = IEEE80211_CCK_RATE_1MB;
 154                 break;
 155         case 1:
 156                 val = IEEE80211_CCK_RATE_2MB;
 157                 break;
 158         case 2:
 159                 val = IEEE80211_CCK_RATE_5MB;
 160                 break;
 161         case 3:
 162                 val = IEEE80211_CCK_RATE_11MB;
 163                 break;
 164         case 4:
 165                 val = IEEE80211_OFDM_RATE_6MB;
 166                 break;
 167         case 5:
 168                 val = IEEE80211_OFDM_RATE_9MB;
 169                 break;
 170         case 6:
 171                 val = IEEE80211_OFDM_RATE_12MB;
 172                 break;
 173         case 7:
 174                 val = IEEE80211_OFDM_RATE_18MB;
 175                 break;
 176         case 8:
 177                 val = IEEE80211_OFDM_RATE_24MB;
 178                 break;
 179         case 9:
 180                 val = IEEE80211_OFDM_RATE_36MB;
 181                 break;
 182         case 10:
 183                 val = IEEE80211_OFDM_RATE_48MB;
 184                 break;
 185         case 11:
 186                 val = IEEE80211_OFDM_RATE_54MB;
 187                 break;
 188         }
 189         return val;
 190 }
 191
 192 static int is_basicrate(struct adapter *padapter, unsigned char rate)
 193 {
 194         int i;
 195         unsigned char val;
 196         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 197
 198         for (i = 0; i < NumRates; i++) {
 199                 val = pmlmeext->basicrate[i];
 200
 201                 if ((val != 0xff) && (val != 0xfe)) {
 202                         if (rate == ratetbl_val_2wifirate(val))
 203                                 return true;
 204                 }
 205         }
 206         return false;
 207 }
 208
 209 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 210 {
 211         int i;
 212         unsigned char rate;
 213         unsigned int    len = 0;
 214         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 215
 216         for (i = 0; i < NumRates; i++) {
 217                 rate = pmlmeext->datarate[i];
 218
 219                 switch (rate) {
 220                 case 0xff:
 221                         return len;
 222                 case 0xfe:
 223                         continue;
 224                 default:
 225                         rate = ratetbl_val_2wifirate(rate);
 226
 227                         if (is_basicrate(padapter, rate) == true)
 228                                 rate |= IEEE80211_BASIC_RATE_MASK;
 229
 230                         rateset[len] = rate;
 231                         len++;
 232                         break;
 233                 }
 234         }
 235         return len;
 236 }
 237
 238 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 239 {
 240         unsigned char supportedrates[NumRates];
 241
 242         _rtw_memset(supportedrates, 0, NumRates);
 243         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 244         memcpy(pbssrate, supportedrates, *bssrate_len);
 245 }
 246
 247 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
 248 {
 249         u8      i;
 250         u8      rate;
 251
 252         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 253         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 254                 rate = mbrate[i] & 0x7f;
 255                 switch (rate) {
 256                 case IEEE80211_CCK_RATE_1MB:
 257                 case IEEE80211_CCK_RATE_2MB:
 258                 case IEEE80211_CCK_RATE_5MB:
 259                 case IEEE80211_CCK_RATE_11MB:
 260                 case IEEE80211_OFDM_RATE_6MB:
 261                 case IEEE80211_OFDM_RATE_12MB:
 262                 case IEEE80211_OFDM_RATE_24MB:
 263                         mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
 264                         break;
 265                 }
 266         }
 267 }
 268
 269 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 270 {
 271         u8      i;
 272         u8      rate;
 273
 274         for (i = 0; i < bssratelen; i++) {
 275                 rate = bssrateset[i] & 0x7f;
 276                 switch (rate) {
 277                 case IEEE80211_CCK_RATE_1MB:
 278                 case IEEE80211_CCK_RATE_2MB:
 279                 case IEEE80211_CCK_RATE_5MB:
 280                 case IEEE80211_CCK_RATE_11MB:
 281                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 282                         break;
 283                 }
 284         }
 285 }
 286
 287 void Save_DM_Func_Flag(struct adapter *padapter)
 288 {
 289         u8      saveflag = true;
 290
 291         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
 292 }
 293
 294 void Restore_DM_Func_Flag(struct adapter *padapter)
 295 {
 296         u8      saveflag = false;
 297
 298         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
 299 }
 300
 301 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 302 {
 303         if (enable)
 304                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 305         else
 306                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 307 }
 308
 309 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
 310 {
 311         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 312 }
 313
 314 void Set_MSR(struct adapter *padapter, u8 type)
 315 {
 316         Set_NETYPE0_MSR(padapter, type);
 317 }
 318
 319 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 320 {
 321         return adapter->mlmeextpriv.oper_channel;
 322 }
 323
 324 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 325 {
 326         adapter->mlmeextpriv.oper_channel = ch;
 327 }
 328
 329 inline u8 rtw_get_oper_bw(struct adapter *adapter)
 330 {
 331         return adapter->mlmeextpriv.oper_bwmode;
 332 }
 333
 334 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 335 {
 336         adapter->mlmeextpriv.oper_bwmode = bw;
 337 }
 338
 339 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
 340 {
 341         return adapter->mlmeextpriv.oper_ch_offset;
 342 }
 343
 344 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 345 {
 346         adapter->mlmeextpriv.oper_ch_offset = offset;
 347 }
 348
 349 void SelectChannel(struct adapter *padapter, unsigned char channel)
 350 {
 351         /* saved channel info */
 352         rtw_set_oper_ch(padapter, channel);
 353         rtw_hal_set_chan(padapter, channel);
 354 }
 355
 356 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
 357                unsigned char channel_offset)
 358 {
 359         /* saved bw info */
 360         rtw_set_oper_bw(padapter, bwmode);
 361         rtw_set_oper_choffset(padapter, channel_offset);
 362
 363         rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
 364 }
 365
 366 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 367 {
 368         u8 center_ch;
 369
 370         if (padapter->bNotifyChannelChange)
 371                 DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
 372
 373         if ((bwmode == HT_CHANNEL_WIDTH_20) ||
 374             (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
 375                 /* SelectChannel(padapter, channel); */
 376                 center_ch = channel;
 377         } else {
 378                 /* switch to the proper channel */
 379                 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
 380                         /* SelectChannel(padapter, channel + 2); */
 381                         center_ch = channel + 2;
 382                 } else {
 383                         /* SelectChannel(padapter, channel - 2); */
 384                         center_ch = channel - 2;
 385                 }
 386         }
 387
 388         /* set Channel */
 389         /* saved channel/bw info */
 390         rtw_set_oper_ch(padapter, channel);
 391         rtw_set_oper_bw(padapter, bwmode);
 392         rtw_set_oper_choffset(padapter, channel_offset);
 393
 394         rtw_hal_set_chan(padapter, center_ch); /*  set center channel */
 395         SetBWMode(padapter, bwmode, channel_offset);
 396 }
 397
 398 int get_bsstype(unsigned short capability)
 399 {
 400         if (capability & BIT(0))
 401                 return WIFI_FW_AP_STATE;
 402         else if (capability & BIT(1))
 403                 return WIFI_FW_ADHOC_STATE;
 404         else
 405                 return 0;
 406 }
 407
 408 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
 409 {
 410         return pnetwork->MacAddress;
 411 }
 412
 413 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 414 {
 415         __le16 val;
 416         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
 417
 418         return le16_to_cpu(val);
 419 }
 420
 421 int is_client_associated_to_ap(struct adapter *padapter)
 422 {
 423         struct mlme_ext_priv    *pmlmeext;
 424         struct mlme_ext_info    *pmlmeinfo;
 425
 426         if (!padapter)
 427                 return _FAIL;
 428
 429         pmlmeext = &padapter->mlmeextpriv;
 430         pmlmeinfo = &(pmlmeext->mlmext_info);
 431
 432         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 433                 return true;
 434         else
 435                 return _FAIL;
 436 }
 437
 438 int is_client_associated_to_ibss(struct adapter *padapter)
 439 {
 440         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 441         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 442
 443         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 444                 return true;
 445         else
 446                 return _FAIL;
 447 }
 448
 449 int is_IBSS_empty(struct adapter *padapter)
 450 {
 451         unsigned int i;
 452         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 453         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 454
 455         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 456                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 457                         return _FAIL;
 458         }
 459         return true;
 460 }
 461
 462 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 463 {
 464         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 465                 return WAIT_FOR_BCN_TO_MIN;
 466         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 467                 return WAIT_FOR_BCN_TO_MAX;
 468         else
 469                 return bcn_interval << 2;
 470 }
 471
 472 void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
 473 {
 474         rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
 475 }
 476
 477 void invalidate_cam_all(struct adapter *padapter)
 478 {
 479         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 480 }
 481
 482 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 483 {
 484         unsigned int    i, val, addr;
 485         int j;
 486         u32     cam_val[2];
 487
 488         addr = entry << 3;
 489
 490         for (j = 5; j >= 0; j--) {
 491                 switch (j) {
 492                 case 0:
 493                         val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
 494                         break;
 495                 case 1:
 496                         val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
 497                         break;
 498                 default:
 499                         i = (j - 2) << 2;
 500                         val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
 501                         break;
 502                 }
 503
 504                 cam_val[0] = val;
 505                 cam_val[1] = addr + (unsigned int)j;
 506
 507                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 508         }
 509 }
 510
 511 void clear_cam_entry(struct adapter *padapter, u8 entry)
 512 {
 513         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 514         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 515                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 516
 517         write_cam(padapter, entry, 0, null_sta, null_key);
 518 }
 519
 520 int allocate_fw_sta_entry(struct adapter *padapter)
 521 {
 522         unsigned int mac_id;
 523         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 524         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 525
 526         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 527                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 528                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 529                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 530                         break;
 531                 }
 532         }
 533
 534         return mac_id;
 535 }
 536
 537 void flush_all_cam_entry(struct adapter *padapter)
 538 {
 539         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 540         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 541
 542         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 543
 544         _rtw_memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 545 }
 546
 547 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 548 {
 549         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 550         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
 551         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 552         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 553
 554         if (pmlmepriv->qospriv.qos_option == 0) {
 555                 pmlmeinfo->WMM_enable = 0;
 556                 return _FAIL;
 557         }
 558
 559         pmlmeinfo->WMM_enable = 1;
 560         memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 561         return true;
 562 }
 563
 564 void WMMOnAssocRsp(struct adapter *padapter)
 565 {
 566         u8      ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 567         u8      acm_mask;
 568         u16     TXOP;
 569         u32     acParm, i;
 570         u32     edca[4], inx[4];
 571         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 572         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 573         struct xmit_priv                *pxmitpriv = &padapter->xmitpriv;
 574         struct registry_priv    *pregpriv = &padapter->registrypriv;
 575
 576         if (pmlmeinfo->WMM_enable == 0) {
 577                 padapter->mlmepriv.acm_mask = 0;
 578                 return;
 579         }
 580
 581         acm_mask = 0;
 582
 583         if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
 584                 aSifsTime = 10;
 585         else
 586                 aSifsTime = 16;
 587
 588         for (i = 0; i < 4; i++) {
 589                 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 590                 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 591
 592                 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 593                 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 594
 595                 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
 596                 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 597                 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 598
 599                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 600
 601                 switch (ACI) {
 602                 case 0x0:
 603                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 604                         acm_mask |= (ACM ? BIT(1) : 0);
 605                         edca[XMIT_BE_QUEUE] = acParm;
 606                         break;
 607                 case 0x1:
 608                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 609                         edca[XMIT_BK_QUEUE] = acParm;
 610                         break;
 611                 case 0x2:
 612                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 613                         acm_mask |= (ACM ? BIT(2) : 0);
 614                         edca[XMIT_VI_QUEUE] = acParm;
 615                         break;
 616                 case 0x3:
 617                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 618                         acm_mask |= (ACM ? BIT(3) : 0);
 619                         edca[XMIT_VO_QUEUE] = acParm;
 620                         break;
 621                 }
 622
 623                 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
 624         }
 625
 626         if (padapter->registrypriv.acm_method == 1)
 627                 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 628         else
 629                 padapter->mlmepriv.acm_mask = acm_mask;
 630
 631         inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 632
 633         if (pregpriv->wifi_spec == 1) {
 634                 u32     j, tmp, change_inx = false;
 635
 636                 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 637                 for (i = 0; i < 4; i++) {
 638                         for (j = i+1; j < 4; j++) {
 639                                 /* compare CW and AIFS */
 640                                 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 641                                         change_inx = true;
 642                                 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 643                                         /* compare TXOP */
 644                                         if ((edca[j] >> 16) > (edca[i] >> 16))
 645                                                 change_inx = true;
 646                                 }
 647
 648                                 if (change_inx) {
 649                                         tmp = edca[i];
 650                                         edca[i] = edca[j];
 651                                         edca[j] = tmp;
 652
 653                                         tmp = inx[i];
 654                                         inx[i] = inx[j];
 655                                         inx[j] = tmp;
 656
 657                                         change_inx = false;
 658                                 }
 659                         }
 660                 }
 661         }
 662
 663         for (i = 0; i < 4; i++) {
 664                 pxmitpriv->wmm_para_seq[i] = inx[i];
 665                 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
 666         }
 667
 668         return;
 669 }
 670
 671 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 672 {
 673         unsigned char    new_bwmode;
 674         unsigned char  new_ch_offset;
 675         struct HT_info_element   *pHT_info;
 676         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
 677         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 678         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 679         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 680         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 681
 682         if (!pIE)
 683                 return;
 684
 685         if (!phtpriv)
 686                 return;
 687
 688         if (pIE->Length > sizeof(struct HT_info_element))
 689                 return;
 690
 691         pHT_info = (struct HT_info_element *)pIE->data;
 692
 693         if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
 694                 new_bwmode = HT_CHANNEL_WIDTH_40;
 695
 696                 switch (pHT_info->infos[0] & 0x3) {
 697                 case 1:
 698                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 699                         break;
 700                 case 3:
 701                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 702                         break;
 703                 default:
 704                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 705                         break;
 706                 }
 707         } else {
 708                 new_bwmode = HT_CHANNEL_WIDTH_20;
 709                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 710         }
 711
 712         if ((new_bwmode != pmlmeext->cur_bwmode) ||
 713             (new_ch_offset != pmlmeext->cur_ch_offset)) {
 714                 pmlmeinfo->bwmode_updated = true;
 715
 716                 pmlmeext->cur_bwmode = new_bwmode;
 717                 pmlmeext->cur_ch_offset = new_ch_offset;
 718
 719                 /* update HT info also */
 720                 HT_info_handler(padapter, pIE);
 721         } else {
 722                 pmlmeinfo->bwmode_updated = false;
 723         }
 724
 725         if (pmlmeinfo->bwmode_updated) {
 726                 struct sta_info *psta;
 727                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
 728                 struct sta_priv *pstapriv = &padapter->stapriv;
 729
 730                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
 731
 732                 /* update ap's stainfo */
 733                 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
 734                 if (psta) {
 735                         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 736
 737                         if (phtpriv_sta->ht_option) {
 738                                 /*  bwmode */
 739                                 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 740                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 741                         } else {
 742                                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 743                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 744                         }
 745                 }
 746         }
 747 }
 748
 749 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 750 {
 751         unsigned int    i;
 752         u8      rf_type;
 753         u8      max_AMPDU_len, min_MPDU_spacing;
 754         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 755         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 756         struct mlme_priv                *pmlmepriv = &padapter->mlmepriv;
 757         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 758
 759         if (pIE == NULL)
 760                 return;
 761
 762         if (!phtpriv->ht_option)
 763                 return;
 764
 765         pmlmeinfo->HT_caps_enable = 1;
 766
 767         for (i = 0; i < (pIE->Length); i++) {
 768                 if (i != 2) {
 769                         /*      Got the endian issue here. */
 770                         pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
 771                 } else {
 772                         /* modify from  fw by Thomas 2010/11/17 */
 773                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
 774                                 max_AMPDU_len = (pIE->data[i] & 0x3);
 775                         else
 776                                 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
 777
 778                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
 779                                 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
 780                         else
 781                                 min_MPDU_spacing = (pIE->data[i] & 0x1c);
 782
 783                         pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
 784                 }
 785         }
 786
 787         rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
 788
 789         /* update the MCS rates */
 790         for (i = 0; i < 16; i++) {
 791                 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
 792                         pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
 793                 else
 794                         pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
 795         }
 796         return;
 797 }
 798
 799 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 800 {
 801         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 802         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 803         struct mlme_priv                *pmlmepriv = &padapter->mlmepriv;
 804         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 805
 806         if (pIE == NULL)
 807                 return;
 808
 809         if (!phtpriv->ht_option)
 810                 return;
 811
 812         if (pIE->Length > sizeof(struct HT_info_element))
 813                 return;
 814
 815         pmlmeinfo->HT_info_enable = 1;
 816         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
 817         return;
 818 }
 819
 820 void HTOnAssocRsp(struct adapter *padapter)
 821 {
 822         unsigned char           max_AMPDU_len;
 823         unsigned char           min_MPDU_spacing;
 824         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
 825         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 826         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 827
 828         DBG_88E("%s\n", __func__);
 829
 830         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
 831                 pmlmeinfo->HT_enable = 1;
 832         } else {
 833                 pmlmeinfo->HT_enable = 0;
 834                 return;
 835         }
 836
 837         /* handle A-MPDU parameter field */
 838         /*
 839                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 840                 AMPDU_para [4:2]:Min MPDU Start Spacing
 841         */
 842         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
 843
 844         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
 845
 846         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 847
 848         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 849 }
 850
 851 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 852 {
 853         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 854         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 855
 856         if (pIE->Length > 1)
 857                 return;
 858
 859         pmlmeinfo->ERP_enable = 1;
 860         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
 861 }
 862
 863 void VCS_update(struct adapter *padapter, struct sta_info *psta)
 864 {
 865         struct registry_priv     *pregpriv = &padapter->registrypriv;
 866         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 867         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 868
 869         switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
 870         case 0: /* off */
 871                 psta->rtsen = 0;
 872                 psta->cts2self = 0;
 873                 break;
 874         case 1: /* on */
 875                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
 876                         psta->rtsen = 1;
 877                         psta->cts2self = 0;
 878                 } else {
 879                         psta->rtsen = 0;
 880                         psta->cts2self = 1;
 881                 }
 882                 break;
 883         case 2: /* auto */
 884         default:
 885                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
 886                         if (pregpriv->vcs_type == 1) {
 887                                 psta->rtsen = 1;
 888                                 psta->cts2self = 0;
 889                         } else {
 890                                 psta->rtsen = 0;
 891                                 psta->cts2self = 1;
 892                         }
 893                 } else {
 894                         psta->rtsen = 0;
 895                         psta->cts2self = 0;
 896                 }
 897                 break;
 898         }
 899 }
 900
 901 int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
 902 {
 903         unsigned int            len;
 904         unsigned char           *p;
 905         unsigned short  val16, subtype;
 906         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
 907         /* u8 wpa_ie[255], rsn_ie[255]; */
 908         u16 wpa_len = 0, rsn_len = 0;
 909         u8 encryp_protocol = 0;
 910         struct wlan_bssid_ex *bssid;
 911         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
 912         unsigned char *pbuf;
 913         u32 wpa_ielen = 0;
 914         u8 *pbssid = GetAddr3Ptr(pframe);
 915         u32 hidden_ssid = 0;
 916         struct HT_info_element *pht_info = NULL;
 917         struct rtw_ieee80211_ht_cap *pht_cap = NULL;
 918         u32 bcn_channel;
 919         unsigned short  ht_cap_info;
 920         unsigned char   ht_info_infos_0;
 921
 922         if (is_client_associated_to_ap(Adapter) == false)
 923                 return true;
 924
 925         len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
 926
 927         if (len > MAX_IE_SZ) {
 928                 DBG_88E("%s IE too long for survey event\n", __func__);
 929                 return _FAIL;
 930         }
 931
 932         if (_rtw_memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
 933                 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
 934                         (pbssid), (cur_network->network.MacAddress));
 935                 return true;
 936         }
 937
 938         bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
 939
 940         subtype = GetFrameSubType(pframe) >> 4;
 941
 942         if (subtype == WIFI_BEACON)
 943                 bssid->Reserved[0] = 1;
 944
 945         bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
 946
 947         /* below is to copy the information element */
 948         bssid->IELength = len;
 949         memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
 950
 951         /* check bw and channel offset */
 952         /* parsing HT_CAP_IE */
 953         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
 954         if (p && len > 0) {
 955                 pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
 956                 ht_cap_info = pht_cap->cap_info;
 957         } else {
 958                 ht_cap_info = 0;
 959         }
 960         /* parsing HT_INFO_IE */
 961         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
 962         if (p && len > 0) {
 963                         pht_info = (struct HT_info_element *)(p + 2);
 964                         ht_info_infos_0 = pht_info->infos[0];
 965         } else {
 966                         ht_info_infos_0 = 0;
 967         }
 968         if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
 969             ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
 970                         DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
 971                                 ht_cap_info, ht_info_infos_0);
 972                         DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
 973                                 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
 974                         DBG_88E("%s bw mode change, disconnect\n", __func__);
 975                         /* bcn_info_update */
 976                         cur_network->BcnInfo.ht_cap_info = ht_cap_info;
 977                         cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
 978                         /* to do : need to check that whether modify related register of BB or not */
 979                         /* goto _mismatch; */
 980         }
 981
 982         /* Checking for channel */
 983         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
 984         if (p) {
 985                         bcn_channel = *(p + 2);
 986         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
 987                         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
 988                         if (pht_info) {
 989                                         bcn_channel = pht_info->primary_channel;
 990                         } else { /* we don't find channel IE, so don't check it */
 991                                         DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
 992                                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
 993                         }
 994         }
 995         if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
 996                         DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
 997                                 bcn_channel, Adapter->mlmeextpriv.cur_channel);
 998                         goto _mismatch;
 999         }
1000
1001         /* checking SSID */
1002         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1003         if (p == NULL) {
1004                 DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
1005                 hidden_ssid = true;
1006         } else {
1007                 hidden_ssid = false;
1008         }
1009
1010         if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
1011                 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
1012                 bssid->Ssid.SsidLength = *(p + 1);
1013         } else {
1014                 bssid->Ssid.SsidLength = 0;
1015                 bssid->Ssid.Ssid[0] = '\0';
1016         }
1017
1018         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
1019                                 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
1020                                 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
1021                                 cur_network->network.Ssid.SsidLength));
1022
1023         if (!_rtw_memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1024             bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
1025                 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
1026                         DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
1027                         goto _mismatch;
1028                 }
1029         }
1030
1031         /* check encryption info */
1032         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1033
1034         if (val16 & BIT(4))
1035                 bssid->Privacy = 1;
1036         else
1037                 bssid->Privacy = 0;
1038
1039         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1040                  ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1041                  __func__, cur_network->network.Privacy, bssid->Privacy));
1042         if (cur_network->network.Privacy != bssid->Privacy) {
1043                 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
1044                 goto _mismatch;
1045         }
1046
1047         rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1048
1049         if (rsn_len > 0) {
1050                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1051         } else if (wpa_len > 0) {
1052                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1053         } else {
1054                 if (bssid->Privacy)
1055                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
1056         }
1057
1058         if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1059                 DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
1060                 goto _mismatch;
1061         }
1062
1063         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1064                 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1065                 if (pbuf && (wpa_ielen > 0)) {
1066                         if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1067                                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1068                                          ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1069                                          pairwise_cipher, group_cipher, is_8021x));
1070                         }
1071                 } else {
1072                         pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1073
1074                         if (pbuf && (wpa_ielen > 0)) {
1075                                 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1076                                         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1077                                                  ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1078                                                   __func__, pairwise_cipher, group_cipher, is_8021x));
1079                                 }
1080                         }
1081                 }
1082
1083                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1084                          ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1085                 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1086                         DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1087                                 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1088                                 group_cipher, cur_network->BcnInfo.group_cipher);
1089                         goto _mismatch;
1090                 }
1091
1092                 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1093                         DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1094                         goto _mismatch;
1095                 }
1096         }
1097
1098         kfree(bssid);
1099         _func_exit_;
1100         return _SUCCESS;
1101
1102 _mismatch:
1103         kfree(bssid);
1104         _func_exit_;
1105         return _FAIL;
1106 }
1107
1108 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1109 {
1110         unsigned int i;
1111         unsigned int len;
1112         struct ndis_802_11_var_ie *pIE;
1113
1114         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1115
1116         for (i = 0; i < len;) {
1117                 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1118
1119                 switch (pIE->ElementID) {
1120                 case _HT_EXTRA_INFO_IE_:        /* HT info */
1121                         /* HT_info_handler(padapter, pIE); */
1122                         bwmode_update_check(padapter, pIE);
1123                         break;
1124                 case _ERPINFO_IE_:
1125                         ERP_IE_handler(padapter, pIE);
1126                         VCS_update(padapter, psta);
1127                         break;
1128                 default:
1129                         break;
1130                 }
1131
1132                 i += (pIE->Length + 2);
1133         }
1134 }
1135
1136 unsigned int is_ap_in_tkip(struct adapter *padapter)
1137 {
1138         u32 i;
1139         struct ndis_802_11_var_ie *pIE;
1140         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1141         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1142         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1143
1144         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1145                 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1146                         pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1147
1148                         switch (pIE->ElementID) {
1149                         case _VENDOR_SPECIFIC_IE_:
1150                                 if ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1151                                         return true;
1152                                 break;
1153                         case _RSN_IE_2_:
1154                                 if (_rtw_memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1155                                         return true;
1156                         default:
1157                                 break;
1158                         }
1159
1160                         i += (pIE->Length + 2);
1161                 }
1162                 return false;
1163         } else {
1164                 return false;
1165         }
1166 }
1167
1168 unsigned int should_forbid_n_rate(struct adapter *padapter)
1169 {
1170         u32 i;
1171         struct ndis_802_11_var_ie *pIE;
1172         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1173         struct wlan_bssid_ex  *cur_network = &pmlmepriv->cur_network.network;
1174
1175         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1176                 for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1177                         pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1178
1179                         switch (pIE->ElementID) {
1180                         case _VENDOR_SPECIFIC_IE_:
1181                                 if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1182                                     ((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1183                                     (_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1184                                         return false;
1185                                 break;
1186                         case _RSN_IE_2_:
1187                                 if  ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4))  ||
1188                                        (_rtw_memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1189                                         return false;
1190                         default:
1191                                 break;
1192                         }
1193
1194                         i += (pIE->Length + 2);
1195                 }
1196
1197                 return true;
1198         } else {
1199                 return false;
1200         }
1201 }
1202
1203 unsigned int is_ap_in_wep(struct adapter *padapter)
1204 {
1205         u32 i;
1206         struct ndis_802_11_var_ie *pIE;
1207         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1208         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1209         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1210
1211         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1212                 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1213                         pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1214
1215                         switch (pIE->ElementID) {
1216                         case _VENDOR_SPECIFIC_IE_:
1217                                 if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4))
1218                                         return false;
1219                                 break;
1220                         case _RSN_IE_2_:
1221                                 return false;
1222                         default:
1223                                 break;
1224                         }
1225                         i += (pIE->Length + 2);
1226                 }
1227                 return true;
1228         } else {
1229                 return false;
1230         }
1231 }
1232
1233 int wifirate2_ratetbl_inx(unsigned char rate)
1234 {
1235         int     inx = 0;
1236         rate = rate & 0x7f;
1237
1238         switch (rate) {
1239         case 54*2:
1240                 inx = 11;
1241                 break;
1242         case 48*2:
1243                 inx = 10;
1244                 break;
1245         case 36*2:
1246                 inx = 9;
1247                 break;
1248         case 24*2:
1249                 inx = 8;
1250                 break;
1251         case 18*2:
1252                 inx = 7;
1253                 break;
1254         case 12*2:
1255                 inx = 6;
1256                 break;
1257         case 9*2:
1258                 inx = 5;
1259                 break;
1260         case 6*2:
1261                 inx = 4;
1262                 break;
1263         case 11*2:
1264                 inx = 3;
1265                 break;
1266         case 11:
1267                 inx = 2;
1268                 break;
1269         case 2*2:
1270                 inx = 1;
1271                 break;
1272         case 1*2:
1273                 inx = 0;
1274                 break;
1275         }
1276         return inx;
1277 }
1278
1279 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1280 {
1281         unsigned int i, num_of_rate;
1282         unsigned int mask = 0;
1283
1284         num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1285
1286         for (i = 0; i < num_of_rate; i++) {
1287                 if ((*(ptn + i)) & 0x80)
1288                         mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1289         }
1290         return mask;
1291 }
1292
1293 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1294 {
1295         unsigned int i, num_of_rate;
1296         unsigned int mask = 0;
1297
1298         num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1299
1300         for (i = 0; i < num_of_rate; i++)
1301                 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1302         return mask;
1303 }
1304
1305 unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1306 {
1307         unsigned int mask = 0;
1308
1309         mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
1310
1311         return mask;
1312 }
1313
1314 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1315 {
1316         unsigned char                                   bit_offset;
1317         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1318         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1319
1320         if (!(pmlmeinfo->HT_enable))
1321                 return _FAIL;
1322
1323         if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
1324                 return _FAIL;
1325
1326         bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1327
1328         if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1329                 return _SUCCESS;
1330         else
1331                 return _FAIL;
1332 }
1333
1334 unsigned char get_highest_rate_idx(u32 mask)
1335 {
1336         int i;
1337         unsigned char rate_idx = 0;
1338
1339         for (i = 27; i >= 0; i--) {
1340                 if (mask & BIT(i)) {
1341                         rate_idx = i;
1342                         break;
1343                 }
1344         }
1345         return rate_idx;
1346 }
1347
1348 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1349 {
1350         rtw_hal_update_ra_mask(padapter, mac_id, 0);
1351 }
1352
1353 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1354 {
1355         Update_RA_Entry(padapter, mac_id);
1356 }
1357
1358 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1359 {
1360         /* rate adaptive */
1361         enable_rate_adaptive(padapter, psta->mac_id);
1362 }
1363
1364 /*  Update RRSR and Rate for USERATE */
1365 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1366 {
1367         unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1368 #ifdef CONFIG_88EU_P2P
1369         struct wifidirect_info *pwdinfo = &padapter->wdinfo;
1370
1371         /*      Added by Albert 2011/03/22 */
1372         /*      In the P2P mode, the driver should not support the b mode. */
1373         /*      So, the Tx packet shouldn't use the CCK rate */
1374         if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1375                 return;
1376 #endif /* CONFIG_88EU_P2P */
1377         _rtw_memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1378
1379         if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1380                 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1381         else if (wirelessmode & WIRELESS_11B)
1382                 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1383         else
1384                 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1385
1386
1387         if (wirelessmode & WIRELESS_11B)
1388                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1389         else
1390                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1391
1392         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1393 }
1394
1395 unsigned char check_assoc_AP(u8 *pframe, uint len)
1396 {
1397         unsigned int i;
1398         struct ndis_802_11_var_ie *pIE;
1399         u8      epigram_vendor_flag;
1400         u8      ralink_vendor_flag;
1401         epigram_vendor_flag = 0;
1402         ralink_vendor_flag = 0;
1403
1404         for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1405                 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1406
1407                 switch (pIE->ElementID) {
1408                 case _VENDOR_SPECIFIC_IE_:
1409                         if ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1410                             (_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1411                                 DBG_88E("link to Artheros AP\n");
1412                                 return HT_IOT_PEER_ATHEROS;
1413                         } else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1414                                    (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1415                                    (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1416                                 DBG_88E("link to Broadcom AP\n");
1417                                 return HT_IOT_PEER_BROADCOM;
1418                         } else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) {
1419                                 DBG_88E("link to Marvell AP\n");
1420                                 return HT_IOT_PEER_MARVELL;
1421                         } else if (_rtw_memcmp(pIE->data, RALINK_OUI, 3)) {
1422                                 if (!ralink_vendor_flag) {
1423                                         ralink_vendor_flag = 1;
1424                                 } else {
1425                                         DBG_88E("link to Ralink AP\n");
1426                                         return HT_IOT_PEER_RALINK;
1427                                 }
1428                         } else if (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) {
1429                                 DBG_88E("link to Cisco AP\n");
1430                                 return HT_IOT_PEER_CISCO;
1431                         } else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) {
1432                                 DBG_88E("link to Realtek 96B\n");
1433                                 return HT_IOT_PEER_REALTEK;
1434                         } else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1435                                 DBG_88E("link to Airgo Cap\n");
1436                                 return HT_IOT_PEER_AIRGO;
1437                         } else if (_rtw_memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1438                                 epigram_vendor_flag = 1;
1439                                 if (ralink_vendor_flag) {
1440                                         DBG_88E("link to Tenda W311R AP\n");
1441                                          return HT_IOT_PEER_TENDA;
1442                                 } else {
1443                                         DBG_88E("Capture EPIGRAM_OUI\n");
1444                                 }
1445                         } else {
1446                                 break;
1447                         }
1448
1449                 default:
1450                         break;
1451                 }
1452                 i += (pIE->Length + 2);
1453         }
1454
1455         if (ralink_vendor_flag && !epigram_vendor_flag) {
1456                 DBG_88E("link to Ralink AP\n");
1457                 return HT_IOT_PEER_RALINK;
1458         } else if (ralink_vendor_flag && epigram_vendor_flag) {
1459                 DBG_88E("link to Tenda W311R AP\n");
1460                 return HT_IOT_PEER_TENDA;
1461         } else {
1462                 DBG_88E("link to new AP\n");
1463                 return HT_IOT_PEER_UNKNOWN;
1464         }
1465 }
1466
1467 void update_IOT_info(struct adapter *padapter)
1468 {
1469         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1470         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1471
1472         switch (pmlmeinfo->assoc_AP_vendor) {
1473         case HT_IOT_PEER_MARVELL:
1474                 pmlmeinfo->turboMode_cts2self = 1;
1475                 pmlmeinfo->turboMode_rtsen = 0;
1476                 break;
1477         case HT_IOT_PEER_RALINK:
1478                 pmlmeinfo->turboMode_cts2self = 0;
1479                 pmlmeinfo->turboMode_rtsen = 1;
1480                 /* disable high power */
1481                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1482                 break;
1483         case HT_IOT_PEER_REALTEK:
1484                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1485                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1486                 /* disable high power */
1487                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1488                 break;
1489         default:
1490                 pmlmeinfo->turboMode_cts2self = 0;
1491                 pmlmeinfo->turboMode_rtsen = 1;
1492                 break;
1493         }
1494 }
1495
1496 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1497 {
1498         struct mlme_ext_priv    *pmlmeext = &Adapter->mlmeextpriv;
1499         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1500         bool            ShortPreamble;
1501
1502         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1503         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1504
1505         if (updateCap & cShortPreamble) { /*  Short Preamble */
1506                 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1507                         ShortPreamble = true;
1508                         pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1509                         rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1510                 }
1511         } else { /*  Long Preamble */
1512                 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {  /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1513                         ShortPreamble = false;
1514                         pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1515                         rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1516                 }
1517         }
1518
1519         if (updateCap & cIBSS) {
1520                 /* Filen: See 802.11-2007 p.91 */
1521                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1522         } else { /* Filen: See 802.11-2007 p.90 */
1523                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1524                         if (updateCap & cShortSlotTime) { /*  Short Slot Time */
1525                                 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1526                                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1527                         } else { /*  Long Slot Time */
1528                                 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1529                                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1530                         }
1531                 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1532                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1533                 } else {
1534                         /* B Mode */
1535                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1536                 }
1537         }
1538
1539         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1540 }
1541
1542 void update_wireless_mode(struct adapter *padapter)
1543 {
1544         int ratelen, network_type = 0;
1545         u32 SIFS_Timer;
1546         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1547         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1548         struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
1549         unsigned char           *rate = cur_network->SupportedRates;
1550
1551         ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1552
1553         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1554                 pmlmeinfo->HT_enable = 1;
1555
1556         if (pmlmeext->cur_channel > 14) {
1557                 if (pmlmeinfo->HT_enable)
1558                         network_type = WIRELESS_11_5N;
1559
1560                 network_type |= WIRELESS_11A;
1561         } else {
1562                 if (pmlmeinfo->HT_enable)
1563                         network_type = WIRELESS_11_24N;
1564
1565                 if ((cckratesonly_included(rate, ratelen)) == true)
1566                         network_type |= WIRELESS_11B;
1567                 else if ((cckrates_included(rate, ratelen)) == true)
1568                         network_type |= WIRELESS_11BG;
1569                 else
1570                         network_type |= WIRELESS_11G;
1571         }
1572
1573         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1574
1575         SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1576                                 /* change this value if having IOT issues. */
1577
1578         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1579
1580         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1581                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1582          else
1583                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1584 }
1585
1586 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1587 {
1588         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1589         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1590
1591         if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1592                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1593                 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1594         } else {
1595                 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1596         }
1597 }
1598
1599 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1600 {
1601         unsigned int    ie_len;
1602         struct ndis_802_11_var_ie *pIE;
1603         int     supportRateNum = 0;
1604         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1605         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1606
1607         pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1608         if (pIE == NULL)
1609                 return _FAIL;
1610
1611         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1612         supportRateNum = ie_len;
1613
1614         pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1615         if (pIE)
1616                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1617
1618         return _SUCCESS;
1619 }
1620
1621 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1622 {
1623         struct sta_info *psta;
1624         u16 tid;
1625         u16 param;
1626         struct recv_reorder_ctrl *preorder_ctrl;
1627         struct sta_priv *pstapriv = &padapter->stapriv;
1628         struct ADDBA_request    *preq = (struct ADDBA_request *)paddba_req;
1629         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1630         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1631
1632         psta = rtw_get_stainfo(pstapriv, addr);
1633
1634         if (psta) {
1635                 param = le16_to_cpu(preq->BA_para_set);
1636                 tid = (param>>2)&0x0f;
1637                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1638                 preorder_ctrl->indicate_seq = 0xffff;
1639                 preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
1640         }
1641 }
1642
1643 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1644 {
1645         u8 *pIE;
1646         __le32 *pbuf;
1647
1648         pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
1649         pbuf = (__le32 *)pIE;
1650
1651         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1652
1653         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1654
1655         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1656 }
1657
1658 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1659 {
1660         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1661 }
1662
1663 void beacon_timing_control(struct adapter *padapter)
1664 {
1665         rtw_hal_bcn_related_reg_setting(padapter);
1666 }
1667
1668 static struct adapter *pbuddy_padapter;
1669
1670 int rtw_handle_dualmac(struct adapter *adapter, bool init)
1671 {
1672         int status = _SUCCESS;
1673
1674         if (init) {
1675                 if (pbuddy_padapter == NULL) {
1676                         pbuddy_padapter = adapter;
1677                         DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
1678                 } else {
1679                         adapter->pbuddy_adapter = pbuddy_padapter;
1680                         pbuddy_padapter->pbuddy_adapter = adapter;
1681                         /*  clear global value */
1682                         pbuddy_padapter = NULL;
1683                         DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
1684                 }
1685         } else {
1686                 pbuddy_padapter = NULL;
1687         }
1688         return status;
1689 }