drivers/staging/rtl8188eu/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 #define _RTW_WLAN_UTIL_C_
   8
   9 #include <linux/ieee80211.h>
  10
  11 #include <osdep_service.h>
  12 #include <drv_types.h>
  13 #include <wifi.h>
  14
  15 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
  16 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
  17
  18 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
  19 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
  20
  21 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
  22 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
  23 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
  24 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
  25 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
  26 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
  27
  28 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
  29
  30 #define R2T_PHY_DELAY   (0)
  31
  32 /* define WAIT_FOR_BCN_TO_M     (3000) */
  33 #define WAIT_FOR_BCN_TO_MIN     (6000)
  34 #define WAIT_FOR_BCN_TO_MAX     (20000)
  35
  36 static u8 rtw_basic_rate_cck[4] = {
  37         IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
  38         IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
  39         IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
  40         IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
  41 };
  42
  43 static u8 rtw_basic_rate_ofdm[3] = {
  44         IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
  45         IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
  46         IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
  47 };
  48
  49 static u8 rtw_basic_rate_mix[7] = {
  50         IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
  51         IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
  52         IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
  53         IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK,
  54         IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
  55         IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
  56         IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
  57 };
  58
  59 int cckrates_included(unsigned char *rate, int ratelen)
  60 {
  61         int     i;
  62
  63         for (i = 0; i < ratelen; i++) {
  64                 if  ((((rate[i]) & 0x7f) == 2)  || (((rate[i]) & 0x7f) == 4) ||
  65                      (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
  66                         return true;
  67         }
  68         return false;
  69 }
  70
  71 int cckratesonly_included(unsigned char *rate, int ratelen)
  72 {
  73         int     i;
  74
  75         for (i = 0; i < ratelen; i++) {
  76                 if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
  77                            (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
  78                         return false;
  79         }
  80
  81         return true;
  82 }
  83
  84 unsigned char networktype_to_raid(unsigned char network_type)
  85 {
  86         switch (network_type) {
  87         case WIRELESS_11B:
  88                 return RATR_INX_WIRELESS_B;
  89         case WIRELESS_11A:
  90         case WIRELESS_11G:
  91                 return RATR_INX_WIRELESS_G;
  92         case WIRELESS_11BG:
  93                 return RATR_INX_WIRELESS_GB;
  94         case WIRELESS_11_24N:
  95         case WIRELESS_11_5N:
  96                 return RATR_INX_WIRELESS_N;
  97         case WIRELESS_11A_5N:
  98         case WIRELESS_11G_24N:
  99                 return  RATR_INX_WIRELESS_NG;
 100         case WIRELESS_11BG_24N:
 101                 return RATR_INX_WIRELESS_NGB;
 102         default:
 103                 return RATR_INX_WIRELESS_GB;
 104         }
 105 }
 106
 107 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
 108 {
 109         u8 network_type = 0;
 110         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 111         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 112
 113         if (pmlmeext->cur_channel > 14) {
 114                 if (pmlmeinfo->HT_enable)
 115                         network_type = WIRELESS_11_5N;
 116
 117                 network_type |= WIRELESS_11A;
 118         } else {
 119                 if (pmlmeinfo->HT_enable)
 120                         network_type = WIRELESS_11_24N;
 121
 122                 if ((cckratesonly_included(rate, ratelen)) == true)
 123                         network_type |= WIRELESS_11B;
 124                 else if ((cckrates_included(rate, ratelen)) == true)
 125                         network_type |= WIRELESS_11BG;
 126                 else
 127                         network_type |= WIRELESS_11G;
 128         }
 129         return  network_type;
 130 }
 131
 132 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
 133 {
 134         switch (rate & 0x7f) {
 135         case 0:
 136                 return IEEE80211_CCK_RATE_1MB;
 137         case 1:
 138                 return IEEE80211_CCK_RATE_2MB;
 139         case 2:
 140                 return IEEE80211_CCK_RATE_5MB;
 141         case 3:
 142                 return IEEE80211_CCK_RATE_11MB;
 143         case 4:
 144                 return IEEE80211_OFDM_RATE_6MB;
 145         case 5:
 146                 return IEEE80211_OFDM_RATE_9MB;
 147         case 6:
 148                 return IEEE80211_OFDM_RATE_12MB;
 149         case 7:
 150                 return IEEE80211_OFDM_RATE_18MB;
 151         case 8:
 152                 return IEEE80211_OFDM_RATE_24MB;
 153         case 9:
 154                 return IEEE80211_OFDM_RATE_36MB;
 155         case 10:
 156                 return IEEE80211_OFDM_RATE_48MB;
 157         case 11:
 158                 return IEEE80211_OFDM_RATE_54MB;
 159         default:
 160                 return 0;
 161         }
 162 }
 163
 164 static int is_basicrate(struct adapter *padapter, unsigned char rate)
 165 {
 166         int i;
 167         unsigned char val;
 168         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 169
 170         for (i = 0; i < NumRates; i++) {
 171                 val = pmlmeext->basicrate[i];
 172
 173                 if ((val != 0xff) && (val != 0xfe)) {
 174                         if (rate == ratetbl_val_2wifirate(val))
 175                                 return true;
 176                 }
 177         }
 178         return false;
 179 }
 180
 181 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 182 {
 183         int i;
 184         unsigned char rate;
 185         unsigned int    len = 0;
 186         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 187
 188         for (i = 0; i < NumRates; i++) {
 189                 rate = pmlmeext->datarate[i];
 190
 191                 switch (rate) {
 192                 case 0xff:
 193                         return len;
 194                 case 0xfe:
 195                         continue;
 196                 default:
 197                         rate = ratetbl_val_2wifirate(rate);
 198
 199                         if (is_basicrate(padapter, rate) == true)
 200                                 rate |= IEEE80211_BASIC_RATE_MASK;
 201
 202                         rateset[len] = rate;
 203                         len++;
 204                         break;
 205                 }
 206         }
 207         return len;
 208 }
 209
 210 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 211 {
 212         unsigned char supportedrates[NumRates];
 213
 214         memset(supportedrates, 0, NumRates);
 215         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 216         memcpy(pbssrate, supportedrates, *bssrate_len);
 217 }
 218
 219 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
 220 {
 221         u8      i;
 222         u8      rate;
 223
 224         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 225         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 226                 rate = mbrate[i] & 0x7f;
 227                 switch (rate) {
 228                 case IEEE80211_CCK_RATE_1MB:
 229                 case IEEE80211_CCK_RATE_2MB:
 230                 case IEEE80211_CCK_RATE_5MB:
 231                 case IEEE80211_CCK_RATE_11MB:
 232                 case IEEE80211_OFDM_RATE_6MB:
 233                 case IEEE80211_OFDM_RATE_12MB:
 234                 case IEEE80211_OFDM_RATE_24MB:
 235                         mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
 236                         break;
 237                 }
 238         }
 239 }
 240
 241 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 242 {
 243         u8      i;
 244         u8      rate;
 245
 246         for (i = 0; i < bssratelen; i++) {
 247                 rate = bssrateset[i] & 0x7f;
 248                 switch (rate) {
 249                 case IEEE80211_CCK_RATE_1MB:
 250                 case IEEE80211_CCK_RATE_2MB:
 251                 case IEEE80211_CCK_RATE_5MB:
 252                 case IEEE80211_CCK_RATE_11MB:
 253                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 254                         break;
 255                 }
 256         }
 257 }
 258
 259 void Save_DM_Func_Flag(struct adapter *padapter)
 260 {
 261         u8      saveflag = true;
 262
 263         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
 264 }
 265
 266 void Restore_DM_Func_Flag(struct adapter *padapter)
 267 {
 268         u8      saveflag = false;
 269
 270         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
 271 }
 272
 273 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 274 {
 275         if (enable)
 276                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 277         else
 278                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 279 }
 280
 281 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
 282 {
 283         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 284 }
 285
 286 void Set_MSR(struct adapter *padapter, u8 type)
 287 {
 288         Set_NETYPE0_MSR(padapter, type);
 289 }
 290
 291 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 292 {
 293         return adapter->mlmeextpriv.oper_channel;
 294 }
 295
 296 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 297 {
 298         adapter->mlmeextpriv.oper_channel = ch;
 299 }
 300
 301 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 302 {
 303         adapter->mlmeextpriv.oper_bwmode = bw;
 304 }
 305
 306 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 307 {
 308         adapter->mlmeextpriv.oper_ch_offset = offset;
 309 }
 310
 311 void SelectChannel(struct adapter *padapter, unsigned char channel)
 312 {
 313         /* saved channel info */
 314         rtw_set_oper_ch(padapter, channel);
 315         rtw_hal_set_chan(padapter, channel);
 316 }
 317
 318 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
 319                unsigned char channel_offset)
 320 {
 321         /* saved bw info */
 322         rtw_set_oper_bw(padapter, bwmode);
 323         rtw_set_oper_choffset(padapter, channel_offset);
 324
 325         rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
 326 }
 327
 328 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 329 {
 330         u8 center_ch;
 331
 332         if ((bwmode == HT_CHANNEL_WIDTH_20) ||
 333             (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
 334                 /* SelectChannel(padapter, channel); */
 335                 center_ch = channel;
 336         } else {
 337                 /* switch to the proper channel */
 338                 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
 339                         /* SelectChannel(padapter, channel + 2); */
 340                         center_ch = channel + 2;
 341                 } else {
 342                         /* SelectChannel(padapter, channel - 2); */
 343                         center_ch = channel - 2;
 344                 }
 345         }
 346
 347         /* set Channel */
 348         /* saved channel/bw info */
 349         rtw_set_oper_ch(padapter, channel);
 350         rtw_set_oper_bw(padapter, bwmode);
 351         rtw_set_oper_choffset(padapter, channel_offset);
 352
 353         rtw_hal_set_chan(padapter, center_ch); /*  set center channel */
 354         SetBWMode(padapter, bwmode, channel_offset);
 355 }
 356
 357 int get_bsstype(unsigned short capability)
 358 {
 359         if (capability & BIT(0))
 360                 return WIFI_FW_AP_STATE;
 361         else if (capability & BIT(1))
 362                 return WIFI_FW_ADHOC_STATE;
 363         else
 364                 return 0;
 365 }
 366
 367 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 368 {
 369         __le16 val;
 370
 371         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
 372
 373         return le16_to_cpu(val);
 374 }
 375
 376 int is_client_associated_to_ap(struct adapter *padapter)
 377 {
 378         struct mlme_ext_priv    *pmlmeext;
 379         struct mlme_ext_info    *pmlmeinfo;
 380
 381         if (!padapter)
 382                 return _FAIL;
 383
 384         pmlmeext = &padapter->mlmeextpriv;
 385         pmlmeinfo = &(pmlmeext->mlmext_info);
 386
 387         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 388                 return true;
 389         else
 390                 return _FAIL;
 391 }
 392
 393 int is_client_associated_to_ibss(struct adapter *padapter)
 394 {
 395         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 396         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 397
 398         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 399                 return true;
 400         else
 401                 return _FAIL;
 402 }
 403
 404 int is_IBSS_empty(struct adapter *padapter)
 405 {
 406         unsigned int i;
 407         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 408         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 409
 410         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 411                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 412                         return _FAIL;
 413         }
 414         return true;
 415 }
 416
 417 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 418 {
 419         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 420                 return WAIT_FOR_BCN_TO_MIN;
 421         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 422                 return WAIT_FOR_BCN_TO_MAX;
 423         else
 424                 return bcn_interval << 2;
 425 }
 426
 427 void invalidate_cam_all(struct adapter *padapter)
 428 {
 429         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 430 }
 431
 432 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 433 {
 434         unsigned int    i, val, addr;
 435         int j;
 436         u32     cam_val[2];
 437
 438         addr = entry << 3;
 439
 440         for (j = 5; j >= 0; j--) {
 441                 switch (j) {
 442                 case 0:
 443                         val = ctrl | (mac[0] << 16) | (mac[1] << 24);
 444                         break;
 445                 case 1:
 446                         val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
 447                         break;
 448                 default:
 449                         i = (j - 2) << 2;
 450                         val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
 451                         break;
 452                 }
 453
 454                 cam_val[0] = val;
 455                 cam_val[1] = addr + (unsigned int)j;
 456
 457                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 458         }
 459 }
 460
 461 void clear_cam_entry(struct adapter *padapter, u8 entry)
 462 {
 463         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 464         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 465                                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 466
 467         write_cam(padapter, entry, 0, null_sta, null_key);
 468 }
 469
 470 int allocate_fw_sta_entry(struct adapter *padapter)
 471 {
 472         unsigned int mac_id;
 473         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 474         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 475
 476         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 477                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 478                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 479                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 480                         break;
 481                 }
 482         }
 483
 484         return mac_id;
 485 }
 486
 487 void flush_all_cam_entry(struct adapter *padapter)
 488 {
 489         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 490         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 491
 492         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 493
 494         memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 495 }
 496
 497 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 498 {
 499         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 500         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
 501         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 502         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 503
 504         if (pmlmepriv->qospriv.qos_option == 0) {
 505                 pmlmeinfo->WMM_enable = 0;
 506                 return _FAIL;
 507         }
 508
 509         pmlmeinfo->WMM_enable = 1;
 510         memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 511         return true;
 512 }
 513
 514 void WMMOnAssocRsp(struct adapter *padapter)
 515 {
 516         u8      ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 517         u8      acm_mask;
 518         u16     TXOP;
 519         u32     acParm, i;
 520         u32     edca[4], inx[4];
 521         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 522         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 523         struct xmit_priv                *pxmitpriv = &padapter->xmitpriv;
 524         struct registry_priv    *pregpriv = &padapter->registrypriv;
 525
 526         if (pmlmeinfo->WMM_enable == 0) {
 527                 padapter->mlmepriv.acm_mask = 0;
 528                 return;
 529         }
 530
 531         acm_mask = 0;
 532
 533         if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
 534                 aSifsTime = 10;
 535         else
 536                 aSifsTime = 16;
 537
 538         for (i = 0; i < 4; i++) {
 539                 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 540                 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 541
 542                 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 543                 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 544
 545                 ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
 546                 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 547                 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 548
 549                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 550
 551                 switch (ACI) {
 552                 case 0x0:
 553                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 554                         acm_mask |= (ACM ? BIT(1) : 0);
 555                         edca[XMIT_BE_QUEUE] = acParm;
 556                         break;
 557                 case 0x1:
 558                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 559                         edca[XMIT_BK_QUEUE] = acParm;
 560                         break;
 561                 case 0x2:
 562                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 563                         acm_mask |= (ACM ? BIT(2) : 0);
 564                         edca[XMIT_VI_QUEUE] = acParm;
 565                         break;
 566                 case 0x3:
 567                         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 568                         acm_mask |= (ACM ? BIT(3) : 0);
 569                         edca[XMIT_VO_QUEUE] = acParm;
 570                         break;
 571                 }
 572
 573                 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
 574         }
 575
 576         if (padapter->registrypriv.acm_method == 1)
 577                 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 578         else
 579                 padapter->mlmepriv.acm_mask = acm_mask;
 580
 581         inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 582
 583         if (pregpriv->wifi_spec == 1) {
 584                 u32     j, change_inx = false;
 585
 586                 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 587                 for (i = 0; i < 4; i++) {
 588                         for (j = i+1; j < 4; j++) {
 589                                 /* compare CW and AIFS */
 590                                 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 591                                         change_inx = true;
 592                                 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 593                                         /* compare TXOP */
 594                                         if ((edca[j] >> 16) > (edca[i] >> 16))
 595                                                 change_inx = true;
 596                                 }
 597
 598                                 if (change_inx) {
 599                                         swap(edca[i], edca[j]);
 600                                         swap(inx[i], inx[j]);
 601                                         change_inx = false;
 602                                 }
 603                         }
 604                 }
 605         }
 606
 607         for (i = 0; i < 4; i++) {
 608                 pxmitpriv->wmm_para_seq[i] = inx[i];
 609                 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
 610         }
 611 }
 612
 613 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 614 {
 615         unsigned char    new_bwmode;
 616         unsigned char  new_ch_offset;
 617         struct HT_info_element   *pHT_info;
 618         struct mlme_priv        *pmlmepriv = &(padapter->mlmepriv);
 619         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 620         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 621         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 622         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 623
 624         if (!pIE)
 625                 return;
 626
 627         if (!phtpriv)
 628                 return;
 629
 630         if (pIE->Length > sizeof(struct HT_info_element))
 631                 return;
 632
 633         pHT_info = (struct HT_info_element *)pIE->data;
 634
 635         if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
 636                 new_bwmode = HT_CHANNEL_WIDTH_40;
 637
 638                 switch (pHT_info->infos[0] & 0x3) {
 639                 case 1:
 640                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 641                         break;
 642                 case 3:
 643                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 644                         break;
 645                 default:
 646                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 647                         break;
 648                 }
 649         } else {
 650                 new_bwmode = HT_CHANNEL_WIDTH_20;
 651                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 652         }
 653
 654         if ((new_bwmode != pmlmeext->cur_bwmode) ||
 655             (new_ch_offset != pmlmeext->cur_ch_offset)) {
 656                 pmlmeinfo->bwmode_updated = true;
 657
 658                 pmlmeext->cur_bwmode = new_bwmode;
 659                 pmlmeext->cur_ch_offset = new_ch_offset;
 660
 661                 /* update HT info also */
 662                 HT_info_handler(padapter, pIE);
 663         } else {
 664                 pmlmeinfo->bwmode_updated = false;
 665         }
 666
 667         if (pmlmeinfo->bwmode_updated) {
 668                 struct sta_info *psta;
 669                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
 670                 struct sta_priv *pstapriv = &padapter->stapriv;
 671
 672                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
 673
 674                 /* update ap's stainfo */
 675                 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
 676                 if (psta) {
 677                         struct ht_priv  *phtpriv_sta = &psta->htpriv;
 678
 679                         if (phtpriv_sta->ht_option) {
 680                                 /*  bwmode */
 681                                 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
 682                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
 683                         } else {
 684                                 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
 685                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 686                         }
 687                 }
 688         }
 689 }
 690
 691 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 692 {
 693         unsigned int    i;
 694         u8      max_AMPDU_len, min_MPDU_spacing;
 695         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 696         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 697         struct mlme_priv                *pmlmepriv = &padapter->mlmepriv;
 698         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 699         u8 *HT_cap = (u8 *)(&pmlmeinfo->HT_caps);
 700
 701         if (!pIE)
 702                 return;
 703
 704         if (!phtpriv->ht_option)
 705                 return;
 706
 707         pmlmeinfo->HT_caps_enable = 1;
 708
 709         for (i = 0; i < (pIE->Length); i++) {
 710                 if (i != 2) {
 711                         /*      Got the endian issue here. */
 712                         HT_cap[i] &= (pIE->data[i]);
 713                 } else {
 714                         /* modify from  fw by Thomas 2010/11/17 */
 715                         if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3))
 716                                 max_AMPDU_len = pIE->data[i] & 0x3;
 717                         else
 718                                 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3;
 719
 720                         if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c))
 721                                 min_MPDU_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c;
 722                         else
 723                                 min_MPDU_spacing = pIE->data[i] & 0x1c;
 724
 725                         pmlmeinfo->HT_caps.ampdu_params_info = max_AMPDU_len | min_MPDU_spacing;
 726                 }
 727         }
 728
 729         /* update the MCS rates */
 730         for (i = 0; i < 16; i++)
 731                 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
 732 }
 733
 734 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 735 {
 736         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 737         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 738         struct mlme_priv                *pmlmepriv = &padapter->mlmepriv;
 739         struct ht_priv                  *phtpriv = &pmlmepriv->htpriv;
 740
 741         if (!pIE)
 742                 return;
 743
 744         if (!phtpriv->ht_option)
 745                 return;
 746
 747         if (pIE->Length > sizeof(struct HT_info_element))
 748                 return;
 749
 750         pmlmeinfo->HT_info_enable = 1;
 751         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
 752 }
 753
 754 void HTOnAssocRsp(struct adapter *padapter)
 755 {
 756         unsigned char           max_AMPDU_len;
 757         unsigned char           min_MPDU_spacing;
 758         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
 759         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 760         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 761
 762         DBG_88E("%s\n", __func__);
 763
 764         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
 765                 pmlmeinfo->HT_enable = 1;
 766         } else {
 767                 pmlmeinfo->HT_enable = 0;
 768                 return;
 769         }
 770
 771         /* handle A-MPDU parameter field */
 772         /*
 773                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
 774                 AMPDU_para [4:2]:Min MPDU Start Spacing
 775         */
 776         max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
 777
 778         min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
 779
 780         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
 781
 782         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
 783 }
 784
 785 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
 786 {
 787         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 788         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 789
 790         if (pIE->Length > 1)
 791                 return;
 792
 793         pmlmeinfo->ERP_enable = 1;
 794         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
 795 }
 796
 797 void VCS_update(struct adapter *padapter, struct sta_info *psta)
 798 {
 799         struct registry_priv     *pregpriv = &padapter->registrypriv;
 800         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
 801         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
 802
 803         switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
 804         case 0: /* off */
 805                 psta->rtsen = 0;
 806                 psta->cts2self = 0;
 807                 break;
 808         case 1: /* on */
 809                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
 810                         psta->rtsen = 1;
 811                         psta->cts2self = 0;
 812                 } else {
 813                         psta->rtsen = 0;
 814                         psta->cts2self = 1;
 815                 }
 816                 break;
 817         case 2: /* auto */
 818         default:
 819                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
 820                         if (pregpriv->vcs_type == 1) {
 821                                 psta->rtsen = 1;
 822                                 psta->cts2self = 0;
 823                         } else {
 824                                 psta->rtsen = 0;
 825                                 psta->cts2self = 1;
 826                         }
 827                 } else {
 828                         psta->rtsen = 0;
 829                         psta->cts2self = 0;
 830                 }
 831                 break;
 832         }
 833 }
 834
 835 int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
 836 {
 837         unsigned int            len;
 838         unsigned char           *p;
 839         unsigned short  val16, subtype;
 840         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
 841         /* u8 wpa_ie[255], rsn_ie[255]; */
 842         u16 wpa_len = 0, rsn_len = 0;
 843         u8 encryp_protocol = 0;
 844         struct wlan_bssid_ex *bssid;
 845         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
 846         unsigned char *pbuf;
 847         u32 wpa_ielen = 0;
 848         u8 *pbssid = GetAddr3Ptr(pframe);
 849         struct HT_info_element *pht_info = NULL;
 850         u32 bcn_channel;
 851         unsigned short  ht_cap_info;
 852         unsigned char   ht_info_infos_0;
 853         int ssid_len;
 854
 855         if (is_client_associated_to_ap(Adapter) == false)
 856                 return true;
 857
 858         len = packet_len - sizeof(struct ieee80211_hdr_3addr);
 859
 860         if (len > MAX_IE_SZ) {
 861                 DBG_88E("%s IE too long for survey event\n", __func__);
 862                 return _FAIL;
 863         }
 864
 865         if (!memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
 866                 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
 867                         (pbssid), (cur_network->network.MacAddress));
 868                 return true;
 869         }
 870
 871         bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
 872         if (!bssid)
 873                 return _FAIL;
 874
 875         subtype = GetFrameSubType(pframe) >> 4;
 876
 877         if (subtype == WIFI_BEACON)
 878                 bssid->Reserved[0] = 1;
 879
 880         bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
 881
 882         /* below is to copy the information element */
 883         bssid->ie_length = len;
 884         memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
 885
 886         /* check bw and channel offset */
 887         /* parsing HT_CAP_IE */
 888         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
 889         if (p && len > 0) {
 890                 struct ieee80211_ht_cap *ht_cap =
 891                         (struct ieee80211_ht_cap *)(p + 2);
 892
 893                 ht_cap_info = le16_to_cpu(ht_cap->cap_info);
 894         } else {
 895                 ht_cap_info = 0;
 896         }
 897         /* parsing HT_INFO_IE */
 898         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
 899         if (p && len > 0) {
 900                         pht_info = (struct HT_info_element *)(p + 2);
 901                         ht_info_infos_0 = pht_info->infos[0];
 902         } else {
 903                         ht_info_infos_0 = 0;
 904         }
 905         if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
 906             ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
 907                         DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
 908                                 ht_cap_info, ht_info_infos_0);
 909                         DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
 910                                 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
 911                         DBG_88E("%s bw mode change, disconnect\n", __func__);
 912                         /* bcn_info_update */
 913                         cur_network->BcnInfo.ht_cap_info = ht_cap_info;
 914                         cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
 915                         /* to do : need to check that whether modify related register of BB or not */
 916                         /* goto _mismatch; */
 917         }
 918
 919         /* Checking for channel */
 920         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
 921         if (p) {
 922                         bcn_channel = *(p + 2);
 923         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
 924                         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
 925                         if (pht_info) {
 926                                         bcn_channel = pht_info->primary_channel;
 927                         } else { /* we don't find channel IE, so don't check it */
 928                                         DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
 929                                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
 930                         }
 931         }
 932         if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
 933                         DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
 934                                 bcn_channel, Adapter->mlmeextpriv.cur_channel);
 935                         goto _mismatch;
 936         }
 937
 938         /* checking SSID */
 939         ssid_len = 0;
 940         p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
 941         if (p) {
 942                 ssid_len = *(p + 1);
 943                 if (ssid_len > NDIS_802_11_LENGTH_SSID)
 944                         ssid_len = 0;
 945         }
 946         memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
 947         bssid->Ssid.SsidLength = ssid_len;
 948
 949         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
 950                                 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
 951                                 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
 952                                 cur_network->network.Ssid.SsidLength));
 953
 954         if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
 955             bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
 956                 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
 957                         DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
 958                         goto _mismatch;
 959                 }
 960         }
 961
 962         /* check encryption info */
 963         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
 964
 965         if (val16 & BIT(4))
 966                 bssid->Privacy = 1;
 967         else
 968                 bssid->Privacy = 0;
 969
 970         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
 971                  ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
 972                  __func__, cur_network->network.Privacy, bssid->Privacy));
 973         if (cur_network->network.Privacy != bssid->Privacy) {
 974                 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
 975                 goto _mismatch;
 976         }
 977
 978         rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
 979
 980         if (rsn_len > 0) {
 981                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
 982         } else if (wpa_len > 0) {
 983                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
 984         } else {
 985                 if (bssid->Privacy)
 986                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
 987         }
 988
 989         if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
 990                 DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__);
 991                 goto _mismatch;
 992         }
 993
 994         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
 995                 pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
 996                 if (pbuf && (wpa_ielen > 0)) {
 997                         if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
 998                                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
 999                                          ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1000                                          pairwise_cipher, group_cipher, is_8021x));
1001                         }
1002                 } else {
1003                         pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1004
1005                         if (pbuf && (wpa_ielen > 0)) {
1006                                 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1007                                         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1008                                                  ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1009                                                   __func__, pairwise_cipher, group_cipher, is_8021x));
1010                                 }
1011                         }
1012                 }
1013
1014                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1015                          ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1016                 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1017                         DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1018                                 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1019                                 group_cipher, cur_network->BcnInfo.group_cipher);
1020                         goto _mismatch;
1021                 }
1022
1023                 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1024                         DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1025                         goto _mismatch;
1026                 }
1027         }
1028
1029         kfree(bssid);
1030         return _SUCCESS;
1031
1032 _mismatch:
1033         kfree(bssid);
1034         return _FAIL;
1035 }
1036
1037 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1038 {
1039         unsigned int i;
1040         unsigned int len;
1041         struct ndis_802_11_var_ie *pIE;
1042
1043         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1044
1045         for (i = 0; i < len;) {
1046                 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1047
1048                 switch (pIE->ElementID) {
1049                 case _HT_EXTRA_INFO_IE_:        /* HT info */
1050                         /* HT_info_handler(padapter, pIE); */
1051                         bwmode_update_check(padapter, pIE);
1052                         break;
1053                 case _ERPINFO_IE_:
1054                         ERP_IE_handler(padapter, pIE);
1055                         VCS_update(padapter, psta);
1056                         break;
1057                 default:
1058                         break;
1059                 }
1060
1061                 i += (pIE->Length + 2);
1062         }
1063 }
1064
1065 unsigned int is_ap_in_tkip(struct adapter *padapter)
1066 {
1067         u32 i;
1068         struct ndis_802_11_var_ie *pIE;
1069         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1070         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1071         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1072
1073         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1074                 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.ie_length;) {
1075                         pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.ies + i);
1076
1077                         switch (pIE->ElementID) {
1078                         case _VENDOR_SPECIFIC_IE_:
1079                                 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1080                                         return true;
1081                                 break;
1082                         case _RSN_IE_2_:
1083                                 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1084                                         return true;
1085                         default:
1086                                 break;
1087                         }
1088
1089                         i += (pIE->Length + 2);
1090                 }
1091                 return false;
1092         } else {
1093                 return false;
1094         }
1095 }
1096
1097 unsigned int is_ap_in_wep(struct adapter *padapter)
1098 {
1099         u32 i;
1100         struct ndis_802_11_var_ie *pIE;
1101         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1102         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1103         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1104
1105         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1106                 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.ie_length;) {
1107                         pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.ies + i);
1108
1109                         switch (pIE->ElementID) {
1110                         case _VENDOR_SPECIFIC_IE_:
1111                                 if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1112                                         return false;
1113                                 break;
1114                         case _RSN_IE_2_:
1115                                 return false;
1116                         default:
1117                                 break;
1118                         }
1119                         i += (pIE->Length + 2);
1120                 }
1121                 return true;
1122         } else {
1123                 return false;
1124         }
1125 }
1126
1127 static int wifirate2_ratetbl_inx(unsigned char rate)
1128 {
1129         rate = rate & 0x7f;
1130
1131         switch (rate) {
1132         case 54*2:
1133                 return 11;
1134         case 48*2:
1135                 return 10;
1136         case 36*2:
1137                 return 9;
1138         case 24*2:
1139                 return 8;
1140         case 18*2:
1141                 return 7;
1142         case 12*2:
1143                 return 6;
1144         case 9*2:
1145                 return 5;
1146         case 6*2:
1147                 return 4;
1148         case 11*2:
1149                 return 3;
1150         case 11:
1151                 return 2;
1152         case 2*2:
1153                 return 1;
1154         case 1*2:
1155                 return 0;
1156         default:
1157                 return 0;
1158         }
1159 }
1160
1161 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1162 {
1163         unsigned int i, num_of_rate;
1164         unsigned int mask = 0;
1165
1166         num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1167
1168         for (i = 0; i < num_of_rate; i++) {
1169                 if ((*(ptn + i)) & 0x80)
1170                         mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1171         }
1172         return mask;
1173 }
1174
1175 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1176 {
1177         unsigned int i, num_of_rate;
1178         unsigned int mask = 0;
1179
1180         num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1181
1182         for (i = 0; i < num_of_rate; i++)
1183                 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1184         return mask;
1185 }
1186
1187 unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps)
1188 {
1189         unsigned int mask = 0;
1190
1191         mask = (pHT_caps->mcs.rx_mask[0] << 12) |
1192                (pHT_caps->mcs.rx_mask[1] << 20);
1193
1194         return mask;
1195 }
1196
1197 int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps)
1198 {
1199         unsigned char                                   bit_offset;
1200         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1201         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1202
1203         if (!(pmlmeinfo->HT_enable))
1204                 return _FAIL;
1205
1206         if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1207                 return _FAIL;
1208
1209         bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1210
1211         if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset))
1212                 return _SUCCESS;
1213         else
1214                 return _FAIL;
1215 }
1216
1217 unsigned char get_highest_rate_idx(u32 mask)
1218 {
1219         int i;
1220         unsigned char rate_idx = 0;
1221
1222         for (i = 27; i >= 0; i--) {
1223                 if (mask & BIT(i)) {
1224                         rate_idx = i;
1225                         break;
1226                 }
1227         }
1228         return rate_idx;
1229 }
1230
1231 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1232 {
1233         rtw_hal_update_ra_mask(padapter, mac_id, 0);
1234 }
1235
1236 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1237 {
1238         Update_RA_Entry(padapter, mac_id);
1239 }
1240
1241 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1242 {
1243         /* rate adaptive */
1244         enable_rate_adaptive(padapter, psta->mac_id);
1245 }
1246
1247 /*  Update RRSR and Rate for USERATE */
1248 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1249 {
1250         unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1251
1252         memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1253
1254         if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1255                 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1256         else if (wirelessmode & WIRELESS_11B)
1257                 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1258         else
1259                 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1260
1261         if (wirelessmode & WIRELESS_11B)
1262                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1263         else
1264                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1265
1266         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1267 }
1268
1269 unsigned char check_assoc_AP(u8 *pframe, uint len)
1270 {
1271         unsigned int i;
1272         struct ndis_802_11_var_ie *pIE;
1273         u8      epigram_vendor_flag;
1274         u8      ralink_vendor_flag;
1275
1276         epigram_vendor_flag = 0;
1277         ralink_vendor_flag = 0;
1278
1279         for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1280                 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1281
1282                 switch (pIE->ElementID) {
1283                 case _VENDOR_SPECIFIC_IE_:
1284                         if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1285                             (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1286                                 DBG_88E("link to Artheros AP\n");
1287                                 return HT_IOT_PEER_ATHEROS;
1288                         } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1289                                    (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1290                                 DBG_88E("link to Broadcom AP\n");
1291                                 return HT_IOT_PEER_BROADCOM;
1292                         } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1293                                 DBG_88E("link to Marvell AP\n");
1294                                 return HT_IOT_PEER_MARVELL;
1295                         } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1296                                 if (!ralink_vendor_flag) {
1297                                         ralink_vendor_flag = 1;
1298                                 } else {
1299                                         DBG_88E("link to Ralink AP\n");
1300                                         return HT_IOT_PEER_RALINK;
1301                                 }
1302                         } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1303                                 DBG_88E("link to Cisco AP\n");
1304                                 return HT_IOT_PEER_CISCO;
1305                         } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1306                                 DBG_88E("link to Realtek 96B\n");
1307                                 return HT_IOT_PEER_REALTEK;
1308                         } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1309                                 DBG_88E("link to Airgo Cap\n");
1310                                 return HT_IOT_PEER_AIRGO;
1311                         } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1312                                 epigram_vendor_flag = 1;
1313                                 if (ralink_vendor_flag) {
1314                                         DBG_88E("link to Tenda W311R AP\n");
1315                                         return HT_IOT_PEER_TENDA;
1316                                 } else {
1317                                         DBG_88E("Capture EPIGRAM_OUI\n");
1318                                 }
1319                         } else {
1320                                 break;
1321                         }
1322
1323                 default:
1324                         break;
1325                 }
1326                 i += (pIE->Length + 2);
1327         }
1328
1329         if (ralink_vendor_flag && !epigram_vendor_flag) {
1330                 DBG_88E("link to Ralink AP\n");
1331                 return HT_IOT_PEER_RALINK;
1332         } else if (ralink_vendor_flag && epigram_vendor_flag) {
1333                 DBG_88E("link to Tenda W311R AP\n");
1334                 return HT_IOT_PEER_TENDA;
1335         } else {
1336                 DBG_88E("link to new AP\n");
1337                 return HT_IOT_PEER_UNKNOWN;
1338         }
1339 }
1340
1341 void update_IOT_info(struct adapter *padapter)
1342 {
1343         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1344         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1345
1346         switch (pmlmeinfo->assoc_AP_vendor) {
1347         case HT_IOT_PEER_MARVELL:
1348                 pmlmeinfo->turboMode_cts2self = 1;
1349                 pmlmeinfo->turboMode_rtsen = 0;
1350                 break;
1351         case HT_IOT_PEER_RALINK:
1352                 pmlmeinfo->turboMode_cts2self = 0;
1353                 pmlmeinfo->turboMode_rtsen = 1;
1354                 /* disable high power */
1355                 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1356                                false);
1357                 break;
1358         case HT_IOT_PEER_REALTEK:
1359                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1360                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1361                 /* disable high power */
1362                 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1363                                false);
1364                 break;
1365         default:
1366                 pmlmeinfo->turboMode_cts2self = 0;
1367                 pmlmeinfo->turboMode_rtsen = 1;
1368                 break;
1369         }
1370 }
1371
1372 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1373 {
1374         struct mlme_ext_priv    *pmlmeext = &Adapter->mlmeextpriv;
1375         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1376         bool            ShortPreamble;
1377
1378         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1379         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1380
1381         if (updateCap & cShortPreamble) { /*  Short Preamble */
1382                 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1383                         ShortPreamble = true;
1384                         pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1385                         rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1386                 }
1387         } else { /*  Long Preamble */
1388                 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {  /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1389                         ShortPreamble = false;
1390                         pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1391                         rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1392                 }
1393         }
1394
1395         if (updateCap & cIBSS) {
1396                 /* Filen: See 802.11-2007 p.91 */
1397                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1398         } else { /* Filen: See 802.11-2007 p.90 */
1399                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1400                         if (updateCap & cShortSlotTime) { /*  Short Slot Time */
1401                                 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1402                                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1403                         } else { /*  Long Slot Time */
1404                                 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1405                                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1406                         }
1407                 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1408                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1409                 } else {
1410                         /* B Mode */
1411                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1412                 }
1413         }
1414
1415         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1416 }
1417
1418 void update_wireless_mode(struct adapter *padapter)
1419 {
1420         int ratelen, network_type = 0;
1421         u32 SIFS_Timer;
1422         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1423         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1424         struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
1425         unsigned char           *rate = cur_network->SupportedRates;
1426
1427         ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1428
1429         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1430                 pmlmeinfo->HT_enable = 1;
1431
1432         if (pmlmeext->cur_channel > 14) {
1433                 if (pmlmeinfo->HT_enable)
1434                         network_type = WIRELESS_11_5N;
1435
1436                 network_type |= WIRELESS_11A;
1437         } else {
1438                 if (pmlmeinfo->HT_enable)
1439                         network_type = WIRELESS_11_24N;
1440
1441                 if ((cckratesonly_included(rate, ratelen)) == true)
1442                         network_type |= WIRELESS_11B;
1443                 else if ((cckrates_included(rate, ratelen)) == true)
1444                         network_type |= WIRELESS_11BG;
1445                 else
1446                         network_type |= WIRELESS_11G;
1447         }
1448
1449         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1450
1451         SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1452                                 /* change this value if having IOT issues. */
1453
1454         rtw_hal_set_hwreg(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1455
1456         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1457                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1458          else
1459                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1460 }
1461
1462 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1463 {
1464         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1465         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1466
1467         if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1468                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1469                 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1470         } else {
1471                 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1472         }
1473 }
1474
1475 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1476 {
1477         unsigned int    ie_len;
1478         struct ndis_802_11_var_ie *pIE;
1479         int     supportRateNum = 0;
1480         struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
1481         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1482
1483         pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1484         if (!pIE)
1485                 return _FAIL;
1486         if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
1487                 return _FAIL;
1488
1489         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1490         supportRateNum = ie_len;
1491
1492         pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1493         if (pIE) {
1494                 if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
1495                         return _FAIL;
1496                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1497         }
1498
1499         return _SUCCESS;
1500 }
1501
1502 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1503 {
1504         struct sta_info *psta;
1505         u16 tid;
1506         u16 param;
1507         struct recv_reorder_ctrl *preorder_ctrl;
1508         struct sta_priv *pstapriv = &padapter->stapriv;
1509         struct ADDBA_request    *preq = (struct ADDBA_request *)paddba_req;
1510         struct mlme_ext_priv    *pmlmeext = &padapter->mlmeextpriv;
1511         struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
1512
1513         psta = rtw_get_stainfo(pstapriv, addr);
1514
1515         if (psta) {
1516                 param = le16_to_cpu(preq->BA_para_set);
1517                 tid = (param>>2)&0x0f;
1518                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1519                 preorder_ctrl->indicate_seq = 0xffff;
1520                 preorder_ctrl->enable = (pmlmeinfo->accept_addba_req) ? true
1521                                                                       : false;
1522         }
1523 }
1524
1525 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1526 {
1527         u8 *pIE;
1528         __le32 *pbuf;
1529
1530         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1531         pbuf = (__le32 *)pIE;
1532
1533         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1534
1535         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1536
1537         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1538 }
1539
1540 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1541 {
1542         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1543 }
1544
1545 void beacon_timing_control(struct adapter *padapter)
1546 {
1547         rtw_hal_bcn_related_reg_setting(padapter);
1548 }