drivers/staging/rtl8723bs/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  ******************************************************************************/
  15 #define _RTW_WLAN_UTIL_C_
  16
  17 #include <drv_types.h>
  18 #include <rtw_debug.h>
  19 #include <hal_com_h2c.h>
  20
  21 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
  22 #include <linux/inetdevice.h>
  23 #endif
  24
  25 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
  26 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
  27
  28 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
  29 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
  30 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
  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 RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
  38 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
  39
  40 extern unsigned char RTW_WPA_OUI[];
  41 extern unsigned char WPA_TKIP_CIPHER[4];
  42
  43 #define R2T_PHY_DELAY   (0)
  44
  45 /* define WAIT_FOR_BCN_TO_MIN   (3000) */
  46 #define WAIT_FOR_BCN_TO_MIN     (6000)
  47 #define WAIT_FOR_BCN_TO_MAX     (20000)
  48
  49 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
  50 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
  51
  52 static u8 rtw_basic_rate_cck[4] = {
  53         IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
  54         IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
  55 };
  56
  57 static u8 rtw_basic_rate_ofdm[3] = {
  58         IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
  59         IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
  60 };
  61
  62 int cckrates_included(unsigned char *rate, int ratelen)
  63 {
  64         int     i;
  65
  66         for (i = 0; i < ratelen; i++) {
  67                 if  ((((rate[i]) & 0x7f) == 2)  || (((rate[i]) & 0x7f) == 4) ||
  68                      (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
  69                         return true;
  70         }
  71
  72         return false;
  73
  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 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
  90 {
  91         u8 raid, cur_rf_type, rf_type = RF_1T1R;
  92
  93         rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
  94
  95         if (cur_rf_type == RF_1T1R) {
  96                 rf_type = RF_1T1R;
  97         } else if (IsSupportedVHT(psta->wireless_mode)) {
  98                 if (psta->ra_mask & 0xffc00000)
  99                         rf_type = RF_2T2R;
 100         } else if (IsSupportedHT(psta->wireless_mode)) {
 101                 if (psta->ra_mask & 0xfff00000)
 102                         rf_type = RF_2T2R;
 103         }
 104
 105         switch (psta->wireless_mode) {
 106         case WIRELESS_11B:
 107                 raid = RATEID_IDX_B;
 108                 break;
 109         case WIRELESS_11A:
 110         case WIRELESS_11G:
 111                 raid = RATEID_IDX_G;
 112                 break;
 113         case WIRELESS_11BG:
 114                 raid = RATEID_IDX_BG;
 115                 break;
 116         case WIRELESS_11_24N:
 117         case WIRELESS_11_5N:
 118         case WIRELESS_11A_5N:
 119         case WIRELESS_11G_24N:
 120                 if (rf_type == RF_2T2R)
 121                         raid = RATEID_IDX_GN_N2SS;
 122                 else
 123                         raid = RATEID_IDX_GN_N1SS;
 124                 break;
 125         case WIRELESS_11B_24N:
 126         case WIRELESS_11BG_24N:
 127                 if (psta->bw_mode == CHANNEL_WIDTH_20) {
 128                         if (rf_type == RF_2T2R)
 129                                 raid = RATEID_IDX_BGN_20M_2SS_BN;
 130                         else
 131                                 raid = RATEID_IDX_BGN_20M_1SS_BN;
 132                 } else {
 133                         if (rf_type == RF_2T2R)
 134                                 raid = RATEID_IDX_BGN_40M_2SS;
 135                         else
 136                                 raid = RATEID_IDX_BGN_40M_1SS;
 137                 }
 138                 break;
 139         default:
 140                 raid = RATEID_IDX_BGN_40M_2SS;
 141                 break;
 142
 143         }
 144         return raid;
 145
 146 }
 147
 148 unsigned char ratetbl_val_2wifirate(unsigned char rate);
 149 unsigned char ratetbl_val_2wifirate(unsigned char rate)
 150 {
 151         unsigned char val = 0;
 152
 153         switch (rate & 0x7f) {
 154         case 0:
 155                 val = IEEE80211_CCK_RATE_1MB;
 156                 break;
 157
 158         case 1:
 159                 val = IEEE80211_CCK_RATE_2MB;
 160                 break;
 161
 162         case 2:
 163                 val = IEEE80211_CCK_RATE_5MB;
 164                 break;
 165
 166         case 3:
 167                 val = IEEE80211_CCK_RATE_11MB;
 168                 break;
 169
 170         case 4:
 171                 val = IEEE80211_OFDM_RATE_6MB;
 172                 break;
 173
 174         case 5:
 175                 val = IEEE80211_OFDM_RATE_9MB;
 176                 break;
 177
 178         case 6:
 179                 val = IEEE80211_OFDM_RATE_12MB;
 180                 break;
 181
 182         case 7:
 183                 val = IEEE80211_OFDM_RATE_18MB;
 184                 break;
 185
 186         case 8:
 187                 val = IEEE80211_OFDM_RATE_24MB;
 188                 break;
 189
 190         case 9:
 191                 val = IEEE80211_OFDM_RATE_36MB;
 192                 break;
 193
 194         case 10:
 195                 val = IEEE80211_OFDM_RATE_48MB;
 196                 break;
 197
 198         case 11:
 199                 val = IEEE80211_OFDM_RATE_54MB;
 200                 break;
 201
 202         }
 203
 204         return val;
 205
 206 }
 207
 208 int is_basicrate(struct adapter *padapter, unsigned char rate);
 209 int is_basicrate(struct adapter *padapter, unsigned char rate)
 210 {
 211         int i;
 212         unsigned char val;
 213         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 214
 215         for (i = 0; i < NumRates; i++) {
 216                 val = pmlmeext->basicrate[i];
 217
 218                 if ((val != 0xff) && (val != 0xfe))
 219                         if (rate == ratetbl_val_2wifirate(val))
 220                                 return true;
 221         }
 222
 223         return false;
 224 }
 225
 226 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
 227 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 228 {
 229         int i;
 230         unsigned char rate;
 231         unsigned int    len = 0;
 232         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 233
 234         for (i = 0; i < NumRates; i++) {
 235                 rate = pmlmeext->datarate[i];
 236
 237                 switch (rate) {
 238                 case 0xff:
 239                         return len;
 240
 241                 case 0xfe:
 242                         continue;
 243
 244                 default:
 245                         rate = ratetbl_val_2wifirate(rate);
 246
 247                         if (is_basicrate(padapter, rate) == true)
 248                                 rate |= IEEE80211_BASIC_RATE_MASK;
 249
 250                         rateset[len] = rate;
 251                         len++;
 252                         break;
 253                 }
 254         }
 255         return len;
 256 }
 257
 258 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 259 {
 260         unsigned char supportedrates[NumRates];
 261
 262         memset(supportedrates, 0, NumRates);
 263         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 264         memcpy(pbssrate, supportedrates, *bssrate_len);
 265 }
 266
 267 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
 268 {
 269         u8 mcs_rate_1r = (u8)(mask&0xff);
 270         u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
 271         u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
 272         u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
 273
 274         mcs_set[0] &= mcs_rate_1r;
 275         mcs_set[1] &= mcs_rate_2r;
 276         mcs_set[2] &= mcs_rate_3r;
 277         mcs_set[3] &= mcs_rate_4r;
 278 }
 279
 280 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
 281 {
 282         u8 i;
 283         u8 rate;
 284
 285         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 286         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 287                 rate = mBratesOS[i] & 0x7f;
 288                 switch (rate) {
 289                 case IEEE80211_CCK_RATE_1MB:
 290                 case IEEE80211_CCK_RATE_2MB:
 291                 case IEEE80211_CCK_RATE_5MB:
 292                 case IEEE80211_CCK_RATE_11MB:
 293                 case IEEE80211_OFDM_RATE_6MB:
 294                 case IEEE80211_OFDM_RATE_12MB:
 295                 case IEEE80211_OFDM_RATE_24MB:
 296                         mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
 297                         break;
 298                 }
 299         }
 300
 301 }
 302
 303 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 304 {
 305         u8 i;
 306         u8 rate;
 307
 308         for (i = 0; i < bssratelen; i++) {
 309                 rate = bssrateset[i] & 0x7f;
 310                 switch (rate) {
 311                 case IEEE80211_CCK_RATE_1MB:
 312                 case IEEE80211_CCK_RATE_2MB:
 313                 case IEEE80211_CCK_RATE_5MB:
 314                 case IEEE80211_CCK_RATE_11MB:
 315                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 316                         break;
 317                 }
 318         }
 319
 320 }
 321
 322 void Save_DM_Func_Flag(struct adapter *padapter)
 323 {
 324         u8 bSaveFlag = true;
 325         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 326 }
 327
 328 void Restore_DM_Func_Flag(struct adapter *padapter)
 329 {
 330         u8 bSaveFlag = false;
 331         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 332 }
 333
 334 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 335 {
 336         if (enable == true)
 337                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 338         else
 339                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 340 }
 341
 342 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
 343 {
 344         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 345 }
 346
 347 void Set_MSR(struct adapter *padapter, u8 type)
 348 {
 349         Set_NETYPE0_MSR(padapter, type);
 350 }
 351
 352 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 353 {
 354         return adapter_to_dvobj(adapter)->oper_channel;
 355 }
 356
 357 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 358 {
 359 #ifdef DBG_CH_SWITCH
 360         const int len = 128;
 361         char msg[128] = {0};
 362         int cnt = 0;
 363         int i = 0;
 364 #endif  /* DBG_CH_SWITCH */
 365         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 366
 367         if (dvobj->oper_channel != ch) {
 368                 dvobj->on_oper_ch_time = jiffies;
 369
 370 #ifdef DBG_CH_SWITCH
 371                 cnt += snprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
 372
 373                 for (i = 0; i < dvobj->iface_nums; i++) {
 374                         struct adapter *iface = dvobj->padapters[i];
 375                         cnt += snprintf(msg+cnt, len-cnt, " ["ADPT_FMT":", ADPT_ARG(iface));
 376                         if (iface->mlmeextpriv.cur_channel == ch)
 377                                 cnt += snprintf(msg+cnt, len-cnt, "C");
 378                         else
 379                                 cnt += snprintf(msg+cnt, len-cnt, "_");
 380                         if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
 381                                 cnt += snprintf(msg+cnt, len-cnt, "L");
 382                         else
 383                                 cnt += snprintf(msg+cnt, len-cnt, "_");
 384                         cnt += snprintf(msg+cnt, len-cnt, "]");
 385                 }
 386
 387                 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg);
 388 #endif /* DBG_CH_SWITCH */
 389         }
 390
 391         dvobj->oper_channel = ch;
 392 }
 393
 394 inline u8 rtw_get_oper_bw(struct adapter *adapter)
 395 {
 396         return adapter_to_dvobj(adapter)->oper_bwmode;
 397 }
 398
 399 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 400 {
 401         adapter_to_dvobj(adapter)->oper_bwmode = bw;
 402 }
 403
 404 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
 405 {
 406         return adapter_to_dvobj(adapter)->oper_ch_offset;
 407 }
 408
 409 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 410 {
 411         adapter_to_dvobj(adapter)->oper_ch_offset = offset;
 412 }
 413
 414 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
 415 {
 416         u8 center_ch = channel;
 417
 418         if (chnl_bw == CHANNEL_WIDTH_80) {
 419                 if ((channel == 36) || (channel == 40) || (channel == 44) || (channel == 48))
 420                         center_ch = 42;
 421                 if ((channel == 52) || (channel == 56) || (channel == 60) || (channel == 64))
 422                         center_ch = 58;
 423                 if ((channel == 100) || (channel == 104) || (channel == 108) || (channel == 112))
 424                         center_ch = 106;
 425                 if ((channel == 116) || (channel == 120) || (channel == 124) || (channel == 128))
 426                         center_ch = 122;
 427                 if ((channel == 132) || (channel == 136) || (channel == 140) || (channel == 144))
 428                         center_ch = 138;
 429                 if ((channel == 149) || (channel == 153) || (channel == 157) || (channel == 161))
 430                         center_ch = 155;
 431                 else if (channel <= 14)
 432                         center_ch = 7;
 433         } else if (chnl_bw == CHANNEL_WIDTH_40) {
 434                 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
 435                         center_ch = channel + 2;
 436                 else
 437                         center_ch = channel - 2;
 438         }
 439
 440         return center_ch;
 441 }
 442
 443 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
 444 {
 445         if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
 446                 return adapter_to_dvobj(adapter)->on_oper_ch_time;
 447         else
 448                 return 0;
 449 }
 450
 451 void SelectChannel(struct adapter *padapter, unsigned char channel)
 452 {
 453         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 454                 return;
 455
 456         /* saved channel info */
 457         rtw_set_oper_ch(padapter, channel);
 458
 459         rtw_hal_set_chan(padapter, channel);
 460
 461         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 462 }
 463
 464 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 465 {
 466         u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 467
 468         if (padapter->bNotifyChannelChange)
 469                 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
 470
 471         center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
 472
 473         if (bwmode == CHANNEL_WIDTH_80) {
 474                 if (center_ch > channel)
 475                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER;
 476                 else if (center_ch < channel)
 477                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER;
 478                 else
 479                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 480         }
 481
 482         /* set Channel */
 483         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 484                 return;
 485
 486         /* saved channel/bw info */
 487         rtw_set_oper_ch(padapter, channel);
 488         rtw_set_oper_bw(padapter, bwmode);
 489         rtw_set_oper_choffset(padapter, channel_offset);
 490
 491         rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /*  set center channel */
 492
 493         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 494 }
 495
 496 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
 497 {
 498         return pnetwork->MacAddress;
 499 }
 500
 501 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 502 {
 503         __le16 val;
 504         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
 505
 506         return le16_to_cpu(val);
 507
 508 }
 509
 510 int is_client_associated_to_ap(struct adapter *padapter)
 511 {
 512         struct mlme_ext_priv *pmlmeext;
 513         struct mlme_ext_info *pmlmeinfo;
 514
 515         if (!padapter)
 516                 return _FAIL;
 517
 518         pmlmeext = &padapter->mlmeextpriv;
 519         pmlmeinfo = &(pmlmeext->mlmext_info);
 520
 521         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 522                 return true;
 523         else
 524                 return _FAIL;
 525 }
 526
 527 int is_client_associated_to_ibss(struct adapter *padapter)
 528 {
 529         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 530         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 531
 532         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 533                 return true;
 534         else
 535                 return _FAIL;
 536 }
 537
 538 int is_IBSS_empty(struct adapter *padapter)
 539 {
 540         unsigned int i;
 541         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 542         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 543
 544         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 545                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 546                         return _FAIL;
 547         }
 548
 549         return true;
 550
 551 }
 552
 553 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 554 {
 555         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 556                 return WAIT_FOR_BCN_TO_MIN;
 557         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 558                 return WAIT_FOR_BCN_TO_MAX;
 559         else
 560                 return ((bcn_interval << 2));
 561 }
 562
 563 void invalidate_cam_all(struct adapter *padapter)
 564 {
 565         struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
 566         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 567
 568         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 569
 570         spin_lock_bh(&cam_ctl->lock);
 571         cam_ctl->bitmap = 0;
 572         memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
 573         spin_unlock_bh(&cam_ctl->lock);
 574 }
 575
 576 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
 577 {
 578         u32 count = 0, cmd;
 579         cmd = CAM_POLLINIG | addr;
 580         rtw_write32(padapter, RWCAM, cmd);
 581
 582         do {
 583                 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
 584                         break;
 585         } while (count++ < 100);
 586
 587         return rtw_read32(padapter, REG_CAMREAD);
 588 }
 589 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
 590 {
 591         u32 j, addr, cmd;
 592         addr = entry << 3;
 593
 594         /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */
 595         for (j = 0; j < 6; j++) {
 596                 cmd = _ReadCAM(padapter, addr+j);
 597                 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */
 598                 if (j > 1) /* get key from cam */
 599                         memcpy(get_key+(j-2)*4, &cmd, 4);
 600         }
 601         /* DBG_8192C("*********************************\n"); */
 602 }
 603
 604 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 605 {
 606         unsigned int i, val, addr;
 607         int j;
 608         u32 cam_val[2];
 609
 610         addr = entry << 3;
 611
 612         for (j = 5; j >= 0; j--) {
 613                 switch (j) {
 614                 case 0:
 615                         val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
 616                         break;
 617                 case 1:
 618                         val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
 619                         break;
 620                 default:
 621                         i = (j - 2) << 2;
 622                         val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
 623                         break;
 624                 }
 625
 626                 cam_val[0] = val;
 627                 cam_val[1] = addr + (unsigned int)j;
 628
 629                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 630         }
 631 }
 632
 633 void _clear_cam_entry(struct adapter *padapter, u8 entry)
 634 {
 635         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 636         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 637
 638         _write_cam(padapter, entry, 0, null_sta, null_key);
 639 }
 640
 641 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 642 {
 643         _write_cam(adapter, id, ctrl, mac, key);
 644         write_cam_cache(adapter, id, ctrl, mac, key);
 645 }
 646
 647 inline void clear_cam_entry(struct adapter *adapter, u8 id)
 648 {
 649         _clear_cam_entry(adapter, id);
 650         clear_cam_cache(adapter, id);
 651 }
 652
 653 inline void write_cam_from_cache(struct adapter *adapter, u8 id)
 654 {
 655         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 656         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 657         struct cam_entry_cache cache;
 658
 659         spin_lock_bh(&cam_ctl->lock);
 660         memcpy(&cache, &dvobj->cam_cache[id], sizeof(struct cam_entry_cache));
 661         spin_unlock_bh(&cam_ctl->lock);
 662
 663         _write_cam(adapter, id, cache.ctrl, cache.mac, cache.key);
 664 }
 665
 666 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 667 {
 668         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 669         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 670
 671         spin_lock_bh(&cam_ctl->lock);
 672
 673         dvobj->cam_cache[id].ctrl = ctrl;
 674         memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
 675         memcpy(dvobj->cam_cache[id].key, key, 16);
 676
 677         spin_unlock_bh(&cam_ctl->lock);
 678 }
 679
 680 void clear_cam_cache(struct adapter *adapter, u8 id)
 681 {
 682         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 683         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 684
 685         spin_lock_bh(&cam_ctl->lock);
 686
 687         memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
 688
 689         spin_unlock_bh(&cam_ctl->lock);
 690 }
 691
 692 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
 693 {
 694         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 695         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 696         bool ret = false;
 697
 698         if (cam_id >= TOTAL_CAM_ENTRY)
 699                 goto exit;
 700
 701         if (!(cam_ctl->bitmap & BIT(cam_id)))
 702                 goto exit;
 703
 704         ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
 705
 706 exit:
 707         return ret;
 708 }
 709
 710 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 711 {
 712         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 713         int i;
 714         s16 cam_id = -1;
 715
 716         for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
 717                 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
 718                         continue;
 719                 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
 720                         continue;
 721
 722                 cam_id = i;
 723                 break;
 724         }
 725
 726         if (addr)
 727                 DBG_871X(FUNC_ADPT_FMT" addr:"MAC_FMT" kid:%d, return cam_id:%d\n"
 728                          , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id);
 729         else
 730                 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n"
 731                          , FUNC_ADPT_ARG(adapter), addr, kid, cam_id);
 732
 733         return cam_id;
 734 }
 735
 736 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 737 {
 738         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 739         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 740         s16 cam_id = -1;
 741
 742         spin_lock_bh(&cam_ctl->lock);
 743         cam_id = _rtw_camid_search(adapter, addr, kid);
 744         spin_unlock_bh(&cam_ctl->lock);
 745
 746         return cam_id;
 747 }
 748
 749 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
 750 {
 751         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 752         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 753         s16 cam_id = -1;
 754         struct mlme_ext_info *mlmeinfo;
 755
 756         spin_lock_bh(&cam_ctl->lock);
 757
 758         mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
 759
 760         if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 761                 && !sta) {
 762                 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
 763                 if (kid > 3) {
 764                         DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n"
 765                                 , FUNC_ADPT_ARG(adapter), kid);
 766                         rtw_warn_on(1);
 767                         goto bitmap_handle;
 768                 }
 769
 770                 cam_id = kid;
 771         } else {
 772                 int i;
 773                 u8 *addr = sta?sta->hwaddr:NULL;
 774
 775                 if (!sta) {
 776                         if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
 777                                 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
 778                                 goto bitmap_handle;
 779                         }
 780
 781                         addr = get_bssid(&adapter->mlmepriv);
 782                 }
 783
 784                 i = _rtw_camid_search(adapter, addr, kid);
 785                 if (i >= 0) {
 786                         /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
 787                         if (sta || _rtw_camid_is_gk(adapter, i) == true)
 788                                 cam_id = i;
 789                         else
 790                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n"
 791                                         , FUNC_ADPT_ARG(adapter), kid);
 792                         goto bitmap_handle;
 793                 }
 794
 795                 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
 796                         if (!(cam_ctl->bitmap & BIT(i)))
 797                                 break;
 798
 799                 if (i == TOTAL_CAM_ENTRY) {
 800                         if (sta)
 801                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with "MAC_FMT" id:%u no room\n"
 802                                 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid);
 803                         else
 804                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n"
 805                                 , FUNC_ADPT_ARG(adapter), kid);
 806                         rtw_warn_on(1);
 807                         goto bitmap_handle;
 808                 }
 809
 810                 cam_id = i;
 811         }
 812
 813 bitmap_handle:
 814         if (cam_id >= 0 && cam_id < 32)
 815                 cam_ctl->bitmap |= BIT(cam_id);
 816
 817         spin_unlock_bh(&cam_ctl->lock);
 818
 819         return cam_id;
 820 }
 821
 822 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
 823 {
 824         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 825         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 826
 827         spin_lock_bh(&cam_ctl->lock);
 828
 829         if (cam_id < TOTAL_CAM_ENTRY)
 830                 cam_ctl->bitmap &= ~(BIT(cam_id));
 831
 832         spin_unlock_bh(&cam_ctl->lock);
 833 }
 834
 835 int allocate_fw_sta_entry(struct adapter *padapter)
 836 {
 837         unsigned int mac_id;
 838         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 839         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 840
 841         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 842                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 843                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 844                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 845                         break;
 846                 }
 847         }
 848
 849         return mac_id;
 850 }
 851
 852 void flush_all_cam_entry(struct adapter *padapter)
 853 {
 854         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 855         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 856
 857         invalidate_cam_all(padapter);
 858         /* clear default key related key search setting */
 859         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
 860
 861         memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 862
 863 }
 864
 865 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 866 {
 867         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 868         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 869         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 870         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 871
 872         if (pmlmepriv->qospriv.qos_option == 0) {
 873                 pmlmeinfo->WMM_enable = 0;
 874                 return false;
 875         }
 876
 877         if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
 878                 return false;
 879         else
 880                 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 881
 882         pmlmeinfo->WMM_enable = 1;
 883         return true;
 884 }
 885
 886 void WMMOnAssocRsp(struct adapter *padapter)
 887 {
 888         u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 889         u8 acm_mask;
 890         u16 TXOP;
 891         u32 acParm, i;
 892         u32 edca[4], inx[4];
 893         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 894         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 895         struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
 896         struct registry_priv *pregpriv = &padapter->registrypriv;
 897
 898         acm_mask = 0;
 899
 900         if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
 901                 aSifsTime = 16;
 902         else
 903                 aSifsTime = 10;
 904
 905         if (pmlmeinfo->WMM_enable == 0) {
 906                 padapter->mlmepriv.acm_mask = 0;
 907
 908                 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
 909
 910                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
 911                         ECWMin = 4;
 912                         ECWMax = 10;
 913                 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
 914                         ECWMin = 5;
 915                         ECWMax = 10;
 916                 } else {
 917                         ECWMin = 4;
 918                         ECWMax = 10;
 919                 }
 920
 921                 TXOP = 0;
 922                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 923                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 924                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 925                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 926
 927                 ECWMin = 2;
 928                 ECWMax = 3;
 929                 TXOP = 0x2f;
 930                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 931                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 932         } else{
 933                 edca[0] = edca[1] = edca[2] = edca[3] = 0;
 934
 935                 for (i = 0; i < 4; i++) {
 936                         ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 937                         ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 938
 939                         /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 940                         AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 941
 942                         ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
 943                         ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 944                         TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 945
 946                         acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 947
 948                         switch (ACI) {
 949                         case 0x0:
 950                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 951                                 acm_mask |= (ACM ? BIT(1):0);
 952                                 edca[XMIT_BE_QUEUE] = acParm;
 953                                 break;
 954
 955                         case 0x1:
 956                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 957                                 /* acm_mask |= (ACM? BIT(0):0); */
 958                                 edca[XMIT_BK_QUEUE] = acParm;
 959                                 break;
 960
 961                         case 0x2:
 962                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 963                                 acm_mask |= (ACM ? BIT(2):0);
 964                                 edca[XMIT_VI_QUEUE] = acParm;
 965                                 break;
 966
 967                         case 0x3:
 968                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 969                                 acm_mask |= (ACM ? BIT(3):0);
 970                                 edca[XMIT_VO_QUEUE] = acParm;
 971                                 break;
 972                         }
 973
 974                         DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm);
 975                 }
 976
 977                 if (padapter->registrypriv.acm_method == 1)
 978                         rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 979                 else
 980                         padapter->mlmepriv.acm_mask = acm_mask;
 981
 982                 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 983
 984                 if (pregpriv->wifi_spec == 1) {
 985                         u32 j, tmp, change_inx = false;
 986
 987                         /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 988                         for (i = 0; i < 4; i++) {
 989                                 for (j = i+1; j < 4; j++) {
 990                                         /* compare CW and AIFS */
 991                                         if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 992                                                 change_inx = true;
 993                                         } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 994                                                 /* compare TXOP */
 995                                                 if ((edca[j] >> 16) > (edca[i] >> 16))
 996                                                         change_inx = true;
 997                                         }
 998
 999                                         if (change_inx) {
1000                                                 tmp = edca[i];
1001                                                 edca[i] = edca[j];
1002                                                 edca[j] = tmp;
1003
1004                                                 tmp = inx[i];
1005                                                 inx[i] = inx[j];
1006                                                 inx[j] = tmp;
1007
1008                                                 change_inx = false;
1009                                         }
1010                                 }
1011                         }
1012                 }
1013
1014                 for (i = 0; i < 4; i++) {
1015                         pxmitpriv->wmm_para_seq[i] = inx[i];
1016                         DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
1017                 }
1018         }
1019 }
1020
1021 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1022 {
1023         unsigned char  new_bwmode;
1024         unsigned char  new_ch_offset;
1025         struct HT_info_element   *pHT_info;
1026         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1027         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1028         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1029         struct registry_priv *pregistrypriv = &padapter->registrypriv;
1030         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1031         u8 cbw40_enable = 0;
1032
1033         if (!pIE)
1034                 return;
1035
1036         if (phtpriv->ht_option == false)
1037                 return;
1038
1039         if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80)
1040                 return;
1041
1042         if (pIE->Length > sizeof(struct HT_info_element))
1043                 return;
1044
1045         pHT_info = (struct HT_info_element *)pIE->data;
1046
1047         if (pmlmeext->cur_channel > 14) {
1048                 if ((pregistrypriv->bw_mode & 0xf0) > 0)
1049                         cbw40_enable = 1;
1050         } else
1051                 if ((pregistrypriv->bw_mode & 0x0f) > 0)
1052                         cbw40_enable = 1;
1053
1054         if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
1055                 new_bwmode = CHANNEL_WIDTH_40;
1056
1057                 switch (pHT_info->infos[0] & 0x3) {
1058                 case 1:
1059                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
1060                         break;
1061
1062                 case 3:
1063                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
1064                         break;
1065
1066                 default:
1067                         new_bwmode = CHANNEL_WIDTH_20;
1068                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1069                         break;
1070                 }
1071         } else{
1072                 new_bwmode = CHANNEL_WIDTH_20;
1073                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1074         }
1075
1076
1077         if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
1078                 pmlmeinfo->bwmode_updated = true;
1079
1080                 pmlmeext->cur_bwmode = new_bwmode;
1081                 pmlmeext->cur_ch_offset = new_ch_offset;
1082
1083                 /* update HT info also */
1084                 HT_info_handler(padapter, pIE);
1085         } else
1086                 pmlmeinfo->bwmode_updated = false;
1087
1088
1089         if (true == pmlmeinfo->bwmode_updated) {
1090                 struct sta_info *psta;
1091                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
1092                 struct sta_priv *pstapriv = &padapter->stapriv;
1093
1094                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1095
1096
1097                 /* update ap's stainfo */
1098                 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
1099                 if (psta) {
1100                         struct ht_priv *phtpriv_sta = &psta->htpriv;
1101
1102                         if (phtpriv_sta->ht_option) {
1103                                 /*  bwmode */
1104                                 psta->bw_mode = pmlmeext->cur_bwmode;
1105                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
1106                         } else{
1107                                 psta->bw_mode = CHANNEL_WIDTH_20;
1108                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1109                         }
1110
1111                         rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
1112                 }
1113         }
1114 }
1115
1116 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1117 {
1118         unsigned int    i;
1119         u8 rf_type;
1120         u8 max_AMPDU_len, min_MPDU_spacing;
1121         u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
1122         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1123         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1124         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1125         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1126
1127         if (pIE == NULL)
1128                 return;
1129
1130         if (phtpriv->ht_option == false)
1131                 return;
1132
1133         pmlmeinfo->HT_caps_enable = 1;
1134
1135         for (i = 0; i < (pIE->Length); i++) {
1136                 if (i != 2) {
1137                         /*      Commented by Albert 2010/07/12 */
1138                         /*      Got the endian issue here. */
1139                         pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
1140                 } else{
1141                         /* modify from  fw by Thomas 2010/11/17 */
1142                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
1143                                 max_AMPDU_len = (pIE->data[i] & 0x3);
1144                         else
1145                                 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
1146
1147                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
1148                                 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
1149                         else
1150                                 min_MPDU_spacing = (pIE->data[i] & 0x1c);
1151
1152                         pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
1153                 }
1154         }
1155         rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1156
1157         /* update the MCS set */
1158         for (i = 0; i < 16; i++)
1159                 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1160
1161         /* update the MCS rates */
1162         switch (rf_type) {
1163         case RF_1T1R:
1164         case RF_1T2R:
1165                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1166                 break;
1167         case RF_2T2R:
1168         default:
1169 #ifdef CONFIG_DISABLE_MCS13TO15
1170                 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
1171                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
1172                 else
1173                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1174 #else /* CONFIG_DISABLE_MCS13TO15 */
1175                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1176 #endif /* CONFIG_DISABLE_MCS13TO15 */
1177         }
1178
1179         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1180                 /*  Config STBC setting */
1181                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) {
1182                         SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1183                         DBG_871X("Enable HT Tx STBC !\n");
1184                 }
1185                 phtpriv->stbc_cap = cur_stbc_cap;
1186         } else {
1187                 /*  Config LDPC Coding Capability */
1188                 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) {
1189                         SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1190                         DBG_871X("Enable HT Tx LDPC!\n");
1191                 }
1192                 phtpriv->ldpc_cap = cur_ldpc_cap;
1193
1194                 /*  Config STBC setting */
1195                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) {
1196                         SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1197                         DBG_871X("Enable HT Tx STBC!\n");
1198                 }
1199                 phtpriv->stbc_cap = cur_stbc_cap;
1200         }
1201 }
1202
1203 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1204 {
1205         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1206         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1207         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1208         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1209
1210         if (pIE == NULL)
1211                 return;
1212
1213         if (phtpriv->ht_option == false)
1214                 return;
1215
1216
1217         if (pIE->Length > sizeof(struct HT_info_element))
1218                 return;
1219
1220         pmlmeinfo->HT_info_enable = 1;
1221         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
1222
1223         return;
1224 }
1225
1226 void HTOnAssocRsp(struct adapter *padapter)
1227 {
1228         unsigned char   max_AMPDU_len;
1229         unsigned char   min_MPDU_spacing;
1230         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
1231         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1232         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1233
1234         DBG_871X("%s\n", __func__);
1235
1236         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1237                 pmlmeinfo->HT_enable = 1;
1238         } else{
1239                 pmlmeinfo->HT_enable = 0;
1240                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1241                 return;
1242         }
1243
1244         /* handle A-MPDU parameter field */
1245         /*
1246                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1247                 AMPDU_para [4:2]:Min MPDU Start Spacing
1248         */
1249         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1250
1251         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1252
1253         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1254
1255         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1256 }
1257
1258 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1259 {
1260         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1261         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1262
1263         if (pIE->Length > 1)
1264                 return;
1265
1266         pmlmeinfo->ERP_enable = 1;
1267         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
1268 }
1269
1270 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1271 {
1272         struct registry_priv  *pregpriv = &padapter->registrypriv;
1273         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1274         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1275
1276         switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1277         case 0: /* off */
1278                 psta->rtsen = 0;
1279                 psta->cts2self = 0;
1280                 break;
1281
1282         case 1: /* on */
1283                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1284                         psta->rtsen = 1;
1285                         psta->cts2self = 0;
1286                 } else{
1287                         psta->rtsen = 0;
1288                         psta->cts2self = 1;
1289                 }
1290                 break;
1291
1292         case 2: /* auto */
1293         default:
1294                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1295                         if (pregpriv->vcs_type == 1) {
1296                                 psta->rtsen = 1;
1297                                 psta->cts2self = 0;
1298                         } else{
1299                                 psta->rtsen = 0;
1300                                 psta->cts2self = 1;
1301                         }
1302                 } else{
1303                         psta->rtsen = 0;
1304                         psta->cts2self = 0;
1305                 }
1306                 break;
1307         }
1308 }
1309
1310 void update_ldpc_stbc_cap(struct sta_info *psta)
1311 {
1312         if (psta->htpriv.ht_option) {
1313                 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1314                         psta->ldpc = 1;
1315
1316                 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1317                         psta->stbc = 1;
1318         } else {
1319                 psta->ldpc = 0;
1320                 psta->stbc = 0;
1321         }
1322 }
1323
1324 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1325 {
1326         unsigned int            len;
1327         unsigned char   *p;
1328         unsigned short  val16, subtype;
1329         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1330         /* u8 wpa_ie[255], rsn_ie[255]; */
1331         u16 wpa_len = 0, rsn_len = 0;
1332         u8 encryp_protocol = 0;
1333         struct wlan_bssid_ex *bssid;
1334         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1335         unsigned char *pbuf;
1336         u32 wpa_ielen = 0;
1337         u8 *pbssid = GetAddr3Ptr(pframe);
1338         u32 hidden_ssid = 0;
1339         struct HT_info_element *pht_info = NULL;
1340         struct rtw_ieee80211_ht_cap *pht_cap = NULL;
1341         u32 bcn_channel;
1342         unsigned short  ht_cap_info;
1343         unsigned char ht_info_infos_0;
1344         struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1345
1346         if (is_client_associated_to_ap(Adapter) == false)
1347                 return true;
1348
1349         len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1350
1351         if (len > MAX_IE_SZ) {
1352                 DBG_871X("%s IE too long for survey event\n", __func__);
1353                 return _FAIL;
1354         }
1355
1356         if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
1357                 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n" MAC_FMT MAC_FMT,
1358                                 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress));
1359                 return true;
1360         }
1361
1362         bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1363         if (bssid == NULL) {
1364                 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__);
1365                 return true;
1366         }
1367
1368         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1369                 pmlmepriv->timeBcnInfoChkStart = 0;
1370                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1371         }
1372
1373         subtype = GetFrameSubType(pframe) >> 4;
1374
1375         if (subtype == WIFI_BEACON)
1376                 bssid->Reserved[0] = 1;
1377
1378         bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1379
1380         /* below is to copy the information element */
1381         bssid->IELength = len;
1382         memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
1383
1384         /* check bw and channel offset */
1385         /* parsing HT_CAP_IE */
1386         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1387         if (p && len > 0) {
1388                         pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
1389                         ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1390         } else {
1391                         ht_cap_info = 0;
1392         }
1393         /* parsing HT_INFO_IE */
1394         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1395         if (p && len > 0) {
1396                         pht_info = (struct HT_info_element *)(p + 2);
1397                         ht_info_infos_0 = pht_info->infos[0];
1398         } else {
1399                         ht_info_infos_0 = 0;
1400         }
1401         if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
1402                 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
1403                         DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1404                                                         ht_cap_info, ht_info_infos_0);
1405                         DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1406                                                         cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
1407                         DBG_871X("%s bw mode change\n", __func__);
1408                         {
1409                                 /* bcn_info_update */
1410                                 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
1411                                 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
1412                                 /* to do : need to check that whether modify related register of BB or not */
1413                         }
1414                         /* goto _mismatch; */
1415         }
1416
1417         /* Checking for channel */
1418         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1419         if (p) {
1420                         bcn_channel = *(p + 2);
1421         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1422                         rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1423                         if (pht_info) {
1424                                         bcn_channel = pht_info->primary_channel;
1425                         } else { /* we don't find channel IE, so don't check it */
1426                                         /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */
1427                                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
1428                         }
1429         }
1430         if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
1431                         DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
1432                                                    bcn_channel, Adapter->mlmeextpriv.cur_channel);
1433                         goto _mismatch;
1434         }
1435
1436         /* checking SSID */
1437         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1438         if (p == NULL) {
1439                 DBG_871X("%s marc: cannot find SSID for survey event\n", __func__);
1440                 hidden_ssid = true;
1441         } else {
1442                 hidden_ssid = false;
1443         }
1444
1445         if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
1446                 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
1447                 bssid->Ssid.SsidLength = *(p + 1);
1448         } else {
1449                 bssid->Ssid.SsidLength = 0;
1450                 bssid->Ssid.Ssid[0] = '\0';
1451         }
1452
1453         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
1454                                 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
1455                                 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
1456                                 cur_network->network.Ssid.SsidLength));
1457
1458         if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1459                         bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
1460                 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
1461                         DBG_871X("%s(), SSID is not match\n", __func__);
1462                         goto _mismatch;
1463                 }
1464         }
1465
1466         /* check encryption info */
1467         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1468
1469         if (val16 & BIT(4))
1470                 bssid->Privacy = 1;
1471         else
1472                 bssid->Privacy = 0;
1473
1474         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1475                         ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1476                          __func__, cur_network->network.Privacy, bssid->Privacy));
1477         if (cur_network->network.Privacy != bssid->Privacy) {
1478                 DBG_871X("%s(), privacy is not match\n", __func__);
1479                 goto _mismatch;
1480         }
1481
1482         rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1483
1484         if (rsn_len > 0) {
1485                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1486         } else if (wpa_len > 0) {
1487                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1488         } else {
1489                 if (bssid->Privacy)
1490                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
1491         }
1492
1493         if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1494                 DBG_871X("%s(): enctyp is not match\n", __func__);
1495                 goto _mismatch;
1496         }
1497
1498         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1499                 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1500                 if (pbuf && (wpa_ielen > 0)) {
1501                         if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1502                                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1503                                                 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1504                                                  pairwise_cipher, group_cipher, is_8021x));
1505                         }
1506                 } else {
1507                         pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1508
1509                         if (pbuf && (wpa_ielen > 0)) {
1510                                 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1511                                         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1512                                                         ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1513                                                          __func__, pairwise_cipher, group_cipher, is_8021x));
1514                                 }
1515                         }
1516                 }
1517
1518                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1519                                 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1520                 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1521                         DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__,
1522                                         pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1523                                         group_cipher, cur_network->BcnInfo.group_cipher);
1524                         goto _mismatch;
1525                 }
1526
1527                 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1528                         DBG_871X("%s authentication is not match\n", __func__);
1529                         goto _mismatch;
1530                 }
1531         }
1532
1533         kfree((u8 *)bssid);
1534         return _SUCCESS;
1535
1536 _mismatch:
1537         kfree((u8 *)bssid);
1538
1539         if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1540                 pmlmepriv->timeBcnInfoChkStart = jiffies;
1541
1542         pmlmepriv->NumOfBcnInfoChkFail++;
1543         DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe));
1544
1545         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1546                 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1547                 DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail,
1548                         DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart));
1549                 pmlmepriv->timeBcnInfoChkStart = 0;
1550                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1551                 return _FAIL;
1552         }
1553
1554         return _SUCCESS;
1555 }
1556
1557 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1558 {
1559         unsigned int i;
1560         unsigned int len;
1561         struct ndis_80211_var_ie *pIE;
1562
1563         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1564
1565         for (i = 0; i < len;) {
1566                 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1567
1568                 switch (pIE->ElementID) {
1569                 case _VENDOR_SPECIFIC_IE_:
1570                         /* to update WMM paramter set while receiving beacon */
1571                         if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */
1572                                 if (WMM_param_handler(padapter, pIE))
1573                                         report_wmm_edca_update(padapter);
1574
1575                         break;
1576
1577                 case _HT_EXTRA_INFO_IE_:        /* HT info */
1578                         /* HT_info_handler(padapter, pIE); */
1579                         bwmode_update_check(padapter, pIE);
1580                         break;
1581
1582                 case _ERPINFO_IE_:
1583                         ERP_IE_handler(padapter, pIE);
1584                         VCS_update(padapter, psta);
1585                         break;
1586
1587                 default:
1588                         break;
1589                 }
1590
1591                 i += (pIE->Length + 2);
1592         }
1593 }
1594
1595 unsigned int is_ap_in_tkip(struct adapter *padapter)
1596 {
1597         u32 i;
1598         struct ndis_80211_var_ie *pIE;
1599         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1600         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1601         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1602
1603         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1604                 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
1605                         pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
1606
1607                         switch (pIE->ElementID) {
1608                         case _VENDOR_SPECIFIC_IE_:
1609                                 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1610                                         return true;
1611
1612                                 break;
1613
1614                         case _RSN_IE_2_:
1615                                 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1616                                         return true;
1617
1618                         default:
1619                                 break;
1620                         }
1621
1622                         i += (pIE->Length + 2);
1623                 }
1624
1625                 return false;
1626         } else
1627                 return false;
1628
1629 }
1630
1631 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1632 {
1633         unsigned char                           bit_offset;
1634         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1635         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1636
1637         if (!(pmlmeinfo->HT_enable))
1638                 return _FAIL;
1639
1640         bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1641
1642         if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1643                 return _SUCCESS;
1644         else
1645                 return _FAIL;
1646 }
1647
1648 unsigned char get_highest_rate_idx(u32 mask)
1649 {
1650         int i;
1651         unsigned char rate_idx = 0;
1652
1653         for (i = 31; i >= 0; i--) {
1654                 if (mask & BIT(i)) {
1655                         rate_idx = i;
1656                         break;
1657                 }
1658         }
1659
1660         return rate_idx;
1661 }
1662
1663 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1664 {
1665         rtw_hal_update_ra_mask(psta, 0);
1666 }
1667
1668 void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta);
1669 void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta)
1670 {
1671         Update_RA_Entry(padapter, psta);
1672 }
1673
1674 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1675 {
1676         /* rate adaptive */
1677         enable_rate_adaptive(padapter, psta);
1678 }
1679
1680 unsigned char check_assoc_AP(u8 *pframe, uint len)
1681 {
1682         unsigned int    i;
1683         struct ndis_80211_var_ie *pIE;
1684
1685         for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1686                 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1687
1688                 switch (pIE->ElementID) {
1689                 case _VENDOR_SPECIFIC_IE_:
1690                         if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1691                                 DBG_871X("link to Artheros AP\n");
1692                                 return HT_IOT_PEER_ATHEROS;
1693                         } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3))
1694                                                 || (!memcmp(pIE->data, BROADCOM_OUI2, 3))
1695                                                 || (!memcmp(pIE->data, BROADCOM_OUI3, 3))) {
1696                                 DBG_871X("link to Broadcom AP\n");
1697                                 return HT_IOT_PEER_BROADCOM;
1698                         } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1699                                 DBG_871X("link to Marvell AP\n");
1700                                 return HT_IOT_PEER_MARVELL;
1701                         } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1702                                 DBG_871X("link to Ralink AP\n");
1703                                 return HT_IOT_PEER_RALINK;
1704                         } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1705                                 DBG_871X("link to Cisco AP\n");
1706                                 return HT_IOT_PEER_CISCO;
1707                         } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1708                                 u32 Vender = HT_IOT_PEER_REALTEK;
1709
1710                                 if (pIE->Length >= 5) {
1711                                         if (pIE->data[4] == 1)
1712                                                 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1713                                                 /*      bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1714                                                 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1715                                                         /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1716                                                         Vender = HT_IOT_PEER_REALTEK_92SE;
1717
1718                                         if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1719                                                 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1720
1721                                         if (pIE->data[4] == 2) {
1722                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) {
1723                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1724                                                         DBG_871X("link to Realtek JAGUAR_BCUTAP\n");
1725                                                 }
1726                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) {
1727                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1728                                                         DBG_871X("link to Realtek JAGUAR_CCUTAP\n");
1729                                                 }
1730                                         }
1731                                 }
1732
1733                                 DBG_871X("link to Realtek AP\n");
1734                                 return Vender;
1735                         } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1736                                 DBG_871X("link to Airgo Cap\n");
1737                                 return HT_IOT_PEER_AIRGO;
1738                         } else
1739                                 break;
1740
1741                 default:
1742                         break;
1743                 }
1744
1745                 i += (pIE->Length + 2);
1746         }
1747
1748         DBG_871X("link to new AP\n");
1749         return HT_IOT_PEER_UNKNOWN;
1750 }
1751
1752 void update_IOT_info(struct adapter *padapter)
1753 {
1754         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1755         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1756
1757         switch (pmlmeinfo->assoc_AP_vendor) {
1758         case HT_IOT_PEER_MARVELL:
1759                 pmlmeinfo->turboMode_cts2self = 1;
1760                 pmlmeinfo->turboMode_rtsen = 0;
1761                 break;
1762
1763         case HT_IOT_PEER_RALINK:
1764                 pmlmeinfo->turboMode_cts2self = 0;
1765                 pmlmeinfo->turboMode_rtsen = 1;
1766                 /* disable high power */
1767                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1768                 break;
1769         case HT_IOT_PEER_REALTEK:
1770                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1771                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1772                 /* disable high power */
1773                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1774                 break;
1775         default:
1776                 pmlmeinfo->turboMode_cts2self = 0;
1777                 pmlmeinfo->turboMode_rtsen = 1;
1778                 break;
1779         }
1780
1781 }
1782
1783 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1784 {
1785         struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1786         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1787         bool            ShortPreamble;
1788
1789         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1790         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1791         /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1792         {
1793
1794                 if (updateCap & cShortPreamble) {
1795                         /*  Short Preamble */
1796                         if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1797                                 ShortPreamble = true;
1798                                 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1799                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1800                         }
1801                 } else{
1802                         /*  Long Preamble */
1803                         if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1804                                 ShortPreamble = false;
1805                                 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1806                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1807                         }
1808                 }
1809         }
1810
1811         if (updateCap & cIBSS)
1812                 /* Filen: See 802.11-2007 p.91 */
1813                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1814         else {
1815                 /* Filen: See 802.11-2007 p.90 */
1816                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC))
1817                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1818                 else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1819                         if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1820                                 /*  Short Slot Time */
1821                                 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1822                         else
1823                                 /*  Long Slot Time */
1824                                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1825                 } else
1826                         /* B Mode */
1827                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1828         }
1829
1830         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1831
1832 }
1833
1834 void update_wireless_mode(struct adapter *padapter)
1835 {
1836         int ratelen, network_type = 0;
1837         u32 SIFS_Timer;
1838         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1839         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1840         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1841         unsigned char           *rate = cur_network->SupportedRates;
1842
1843         ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1844
1845         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1846                 pmlmeinfo->HT_enable = 1;
1847
1848         if (pmlmeext->cur_channel > 14) {
1849                 if (pmlmeinfo->VHT_enable)
1850                         network_type = WIRELESS_11AC;
1851                 else if (pmlmeinfo->HT_enable)
1852                         network_type = WIRELESS_11_5N;
1853
1854                 network_type |= WIRELESS_11A;
1855         } else{
1856                 if (pmlmeinfo->VHT_enable)
1857                         network_type = WIRELESS_11AC;
1858                 else if (pmlmeinfo->HT_enable)
1859                         network_type = WIRELESS_11_24N;
1860
1861                 if ((cckratesonly_included(rate, ratelen)) == true)
1862                         network_type |= WIRELESS_11B;
1863                 else if ((cckrates_included(rate, ratelen)) == true)
1864                         network_type |= WIRELESS_11BG;
1865                 else
1866                         network_type |= WIRELESS_11G;
1867         }
1868
1869         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1870
1871         SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1872                                                                                                         /* change this value if having IOT issues. */
1873
1874         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1875
1876         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE,  (u8 *)&(pmlmeext->cur_wireless_mode));
1877
1878         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1879                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1880          else
1881                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1882 }
1883
1884 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1885 {
1886         if (IsSupportedTxCCK(wireless_mode)) {
1887                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1888                 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1889                 psta->bssratelen = 4;
1890         } else{
1891                 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1892                 psta->bssratelen = 3;
1893         }
1894 }
1895
1896 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1897 {
1898         unsigned int    ie_len;
1899         struct ndis_80211_var_ie *pIE;
1900         int     supportRateNum = 0;
1901         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1902         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1903
1904         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1905         if (pIE == NULL)
1906                 return _FAIL;
1907         if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1908                 return _FAIL;
1909
1910         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1911         supportRateNum = ie_len;
1912
1913         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1914         if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1915                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1916
1917         return _SUCCESS;
1918
1919 }
1920
1921 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1922 {
1923         struct sta_info *psta;
1924         u16 tid, start_seq, param;
1925         struct recv_reorder_ctrl *preorder_ctrl;
1926         struct sta_priv *pstapriv = &padapter->stapriv;
1927         struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1928         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1929         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1930
1931         psta = rtw_get_stainfo(pstapriv, addr);
1932
1933         if (psta) {
1934                 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4;
1935
1936                 param = le16_to_cpu(preq->BA_para_set);
1937                 tid = (param>>2)&0x0f;
1938
1939                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1940
1941                 #ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ
1942                 preorder_ctrl->indicate_seq = start_seq;
1943                 #ifdef DBG_RX_SEQ
1944                 DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__,
1945                         preorder_ctrl->indicate_seq, start_seq);
1946                 #endif
1947                 #else
1948                 preorder_ctrl->indicate_seq = 0xffff;
1949                 #endif
1950
1951                 preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq == true) ? true : false;
1952         }
1953
1954 }
1955
1956 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1957 {
1958         u8 *pIE;
1959         __le32 *pbuf;
1960
1961         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1962         pbuf = (__le32 *)pIE;
1963
1964         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1965
1966         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1967
1968         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1969 }
1970
1971 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1972 {
1973         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1974 }
1975
1976 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1977 {
1978         int i;
1979         u8 *pIE;
1980         __le32 *pbuf;
1981         u64 tsf = 0;
1982         u32 delay_ms;
1983         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1984
1985
1986         pmlmeext->bcn_cnt++;
1987
1988         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1989         pbuf = (__le32 *)pIE;
1990
1991         tsf = le32_to_cpu(*(pbuf+1));
1992         tsf = tsf << 32;
1993         tsf |= le32_to_cpu(*pbuf);
1994
1995         /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */
1996
1997         /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1998         /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1999         delay_ms = rtw_modular64(tsf, (pmlmeinfo->bcn_interval*1024));
2000         delay_ms = delay_ms/1000;
2001
2002         if (delay_ms >= 8)
2003                 pmlmeext->bcn_delay_cnt[8]++;
2004                 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
2005         else
2006                 pmlmeext->bcn_delay_cnt[delay_ms]++;
2007                 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
2008
2009 /*
2010         DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
2011
2012
2013         for (i = 0; i<9; i++)
2014         {
2015                 DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
2016                         pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
2017         }
2018 */
2019
2020         /* dump for  adaptive_early_32k */
2021         if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
2022                 u8 ratio_20_delay, ratio_80_delay;
2023                 u8 DrvBcnEarly, DrvBcnTimeOut;
2024
2025                 ratio_20_delay = 0;
2026                 ratio_80_delay = 0;
2027                 DrvBcnEarly = 0xff;
2028                 DrvBcnTimeOut = 0xff;
2029
2030                 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
2031
2032                 for (i = 0; i < 9; i++) {
2033                         pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
2034
2035
2036                         DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
2037                                 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]);
2038
2039                         ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
2040                         ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
2041
2042                         if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) {
2043                                 DrvBcnEarly = i;
2044                                 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly);
2045                         }
2046
2047                         if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) {
2048                                 DrvBcnTimeOut = i;
2049                                 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut);
2050                         }
2051
2052                         /* reset adaptive_early_32k cnt */
2053                         pmlmeext->bcn_delay_cnt[i] = 0;
2054                         pmlmeext->bcn_delay_ratio[i] = 0;
2055                 }
2056
2057                 pmlmeext->DrvBcnEarly = DrvBcnEarly;
2058                 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
2059
2060                 pmlmeext->bcn_cnt = 0;
2061         }
2062
2063 }
2064
2065
2066 void beacon_timing_control(struct adapter *padapter)
2067 {
2068         rtw_hal_bcn_related_reg_setting(padapter);
2069 }
2070
2071 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
2072 {
2073         int i;
2074         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2075         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2076
2077
2078         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
2079                 return;
2080
2081         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
2082                 psta->mac_id = NUM_STA;
2083                 return;
2084         }
2085
2086         spin_lock_bh(&pdvobj->lock);
2087         for (i = 0; i < NUM_STA; i++) {
2088                 if (pdvobj->macid[i] == false) {
2089                         pdvobj->macid[i]  = true;
2090                         break;
2091                 }
2092         }
2093         spin_unlock_bh(&pdvobj->lock);
2094
2095         if (i > (NUM_STA-1)) {
2096                 psta->mac_id = NUM_STA;
2097                 DBG_871X("  no room for more MACIDs\n");
2098         } else{
2099                 psta->mac_id = i;
2100                 DBG_871X("%s = %d\n", __func__, psta->mac_id);
2101         }
2102
2103 }
2104
2105 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
2106 {
2107         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2108         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2109
2110
2111         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
2112                 return;
2113
2114         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
2115                 return;
2116
2117         spin_lock_bh(&pdvobj->lock);
2118         if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
2119                 if (pdvobj->macid[psta->mac_id] == true) {
2120                         DBG_871X("%s = %d\n", __func__, psta->mac_id);
2121                         pdvobj->macid[psta->mac_id] = false;
2122                         psta->mac_id = NUM_STA;
2123                 }
2124
2125         }
2126         spin_unlock_bh(&pdvobj->lock);
2127
2128 }
2129 /* For 8188E RA */
2130 u8 rtw_search_max_mac_id(struct adapter *padapter)
2131 {
2132         u8 max_mac_id = 0;
2133         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2134         int i;
2135         spin_lock_bh(&pdvobj->lock);
2136         for (i = (NUM_STA-1); i >= 0 ; i--) {
2137                 if (pdvobj->macid[i] == true)
2138                         break;
2139         }
2140         max_mac_id = i;
2141         spin_unlock_bh(&pdvobj->lock);
2142
2143         return max_mac_id;
2144
2145 }
2146
2147 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
2148 {
2149         if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
2150                 return NULL;
2151
2152         return dvobj->padapters;
2153 }
2154
2155 #ifdef CONFIG_GPIO_API
2156 int rtw_get_gpio(struct net_device *netdev, int gpio_num)
2157 {
2158         u8 value;
2159         u8 direction;
2160         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2161         struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter);
2162
2163         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2164
2165         DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate);
2166         LeaveAllPowerSaveModeDirect(adapter);
2167
2168         /* Read GPIO Direction */
2169         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2170
2171         /* According the direction to read register value */
2172         if (direction)
2173                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num;
2174         else
2175                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num;
2176
2177         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2178         DBG_871X("%s direction =%d value =%d\n", __func__, direction, value);
2179
2180         return value;
2181 }
2182 EXPORT_SYMBOL(rtw_get_gpio);
2183
2184 int  rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh)
2185 {
2186         u8 direction = 0;
2187         u8 res = -1;
2188         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2189
2190         /* Check GPIO is 4~7 */
2191         if (gpio_num > 7 || gpio_num < 4) {
2192                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2193                 return -1;
2194         }
2195
2196         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2197
2198         LeaveAllPowerSaveModeDirect(adapter);
2199
2200         /* Read GPIO direction */
2201         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2202
2203         /* If GPIO is output direction, setting value. */
2204         if (direction) {
2205                 if (isHigh)
2206                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num));
2207                 else
2208                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num));
2209
2210                 DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh);
2211                 res = 0;
2212         } else{
2213                 DBG_871X("%s The gpio is input, not be set!\n", __func__);
2214                 res = -1;
2215         }
2216
2217         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2218         return res;
2219 }
2220 EXPORT_SYMBOL(rtw_set_gpio_output_value);
2221
2222 int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput)
2223 {
2224         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2225
2226         if (gpio_num > 7 || gpio_num < 4) {
2227                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2228                 return -1;
2229         }
2230
2231         DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput);
2232
2233         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2234
2235         LeaveAllPowerSaveModeDirect(adapter);
2236
2237         if (isOutput)
2238                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num));
2239         else
2240                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num));
2241
2242         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2243
2244         return 0;
2245 }
2246 EXPORT_SYMBOL(rtw_config_gpio);
2247 #endif
2248
2249 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
2250 void rtw_get_current_ip_address(struct adapter *padapter, u8 *pcurrentip)
2251 {
2252         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2253         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2254         struct in_device *my_ip_ptr = padapter->pnetdev->ip_ptr;
2255         u8 ipaddress[4];
2256
2257         if ((pmlmeinfo->state & WIFI_FW_LINKING_STATE) ||
2258                         pmlmeinfo->state & WIFI_FW_AP_STATE) {
2259                 if (my_ip_ptr != NULL) {
2260                         struct in_ifaddr *my_ifa_list = my_ip_ptr->ifa_list;
2261                         if (my_ifa_list != NULL) {
2262                                 ipaddress[0] = my_ifa_list->ifa_address & 0xFF;
2263                                 ipaddress[1] = (my_ifa_list->ifa_address >> 8) & 0xFF;
2264                                 ipaddress[2] = (my_ifa_list->ifa_address >> 16) & 0xFF;
2265                                 ipaddress[3] = my_ifa_list->ifa_address >> 24;
2266                                 DBG_871X("%s: %d.%d.%d.%d ==========\n", __func__,
2267                                                 ipaddress[0], ipaddress[1], ipaddress[2], ipaddress[3]);
2268                                 memcpy(pcurrentip, ipaddress, 4);
2269                         }
2270                 }
2271         }
2272 }
2273 #endif
2274 #ifdef CONFIG_WOWLAN
2275 void rtw_get_sec_iv(struct adapter *padapter, u8 *pcur_dot11txpn, u8 *StaAddr)
2276 {
2277         struct sta_info         *psta;
2278         struct security_priv *psecpriv = &padapter->securitypriv;
2279
2280         memset(pcur_dot11txpn, 0, 8);
2281         if (NULL == StaAddr)
2282                 return;
2283         psta = rtw_get_stainfo(&padapter->stapriv, StaAddr);
2284         DBG_871X("%s(): StaAddr: %02x %02x %02x %02x %02x %02x\n",
2285                 __func__, StaAddr[0], StaAddr[1], StaAddr[2],
2286                 StaAddr[3], StaAddr[4], StaAddr[5]);
2287
2288         if (psta) {
2289                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ && psta->dot11txpn.val > 0)
2290                         psta->dot11txpn.val--;
2291                 AES_IV(pcur_dot11txpn, psta->dot11txpn, 0);
2292
2293                 DBG_871X("%s(): CurrentIV: %02x %02x %02x %02x %02x %02x %02x %02x\n"
2294                 , __func__, pcur_dot11txpn[0], pcur_dot11txpn[1],
2295                 pcur_dot11txpn[2], pcur_dot11txpn[3], pcur_dot11txpn[4],
2296                 pcur_dot11txpn[5], pcur_dot11txpn[6], pcur_dot11txpn[7]);
2297         }
2298 }
2299 void rtw_set_sec_pn(struct adapter *padapter)
2300 {
2301                 struct sta_info         *psta;
2302                 struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
2303                 struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
2304                 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
2305                 struct security_priv *psecpriv = &padapter->securitypriv;
2306
2307                 psta = rtw_get_stainfo(&padapter->stapriv,
2308                 get_my_bssid(&pmlmeinfo->network));
2309
2310                 if (psta) {
2311                         if (pwrpriv->wowlan_fw_iv > psta->dot11txpn.val) {
2312                                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_)
2313                                         psta->dot11txpn.val = pwrpriv->wowlan_fw_iv + 2;
2314                         } else {
2315                                 DBG_871X("%s(): FW IV is smaller than driver\n", __func__);
2316                                 psta->dot11txpn.val += 2;
2317                         }
2318                         DBG_871X("%s: dot11txpn: 0x%016llx\n", __func__, psta->dot11txpn.val);
2319                 }
2320 }
2321 #endif /* CONFIG_WOWLAN */
2322
2323 #ifdef CONFIG_PNO_SUPPORT
2324 #define CSCAN_TLV_TYPE_SSID_IE  'S'
2325 #define CIPHER_IE "key_mgmt ="
2326 #define CIPHER_NONE "NONE"
2327 #define CIPHER_WPA_PSK "WPA-PSK"
2328 #define CIPHER_WPA_EAP "WPA-EAP IEEE8021X"
2329
2330 #endif /* CONFIG_PNO_SUPPORT */