drivers/staging/rtl8723bs/core/rtw_wlan_util.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5  *
   6  ******************************************************************************/
   7 #define _RTW_WLAN_UTIL_C_
   8
   9 #include <drv_types.h>
  10 #include <rtw_debug.h>
  11 #include <hal_com_h2c.h>
  12
  13 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
  14 #include <linux/inetdevice.h>
  15 #endif
  16
  17 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
  18 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
  19
  20 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
  21 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
  22 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
  23
  24 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
  25 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
  26 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
  27 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
  28 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
  29 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
  30 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
  31
  32 extern unsigned char RTW_WPA_OUI[];
  33 extern unsigned char WPA_TKIP_CIPHER[4];
  34
  35 #define R2T_PHY_DELAY   (0)
  36
  37 /* define WAIT_FOR_BCN_TO_MIN   (3000) */
  38 #define WAIT_FOR_BCN_TO_MIN     (6000)
  39 #define WAIT_FOR_BCN_TO_MAX     (20000)
  40
  41 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
  42 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
  43
  44 static u8 rtw_basic_rate_cck[4] = {
  45         IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
  46         IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
  47         IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
  48         IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
  49 };
  50
  51 static u8 rtw_basic_rate_ofdm[3] = {
  52         IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
  53         IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
  54         IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
  55 };
  56
  57 int cckrates_included(unsigned char *rate, int ratelen)
  58 {
  59         int     i;
  60
  61         for (i = 0; i < ratelen; i++) {
  62                 if  ((((rate[i]) & 0x7f) == 2)  || (((rate[i]) & 0x7f) == 4) ||
  63                      (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
  64                         return true;
  65         }
  66
  67         return false;
  68 }
  69
  70 int cckratesonly_included(unsigned char *rate, int ratelen)
  71 {
  72         int     i;
  73
  74         for (i = 0; i < ratelen; i++) {
  75                 if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
  76                      (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
  77                         return false;
  78         }
  79
  80         return true;
  81 }
  82
  83 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
  84 {
  85         u8 raid, cur_rf_type, rf_type = RF_1T1R;
  86
  87         rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
  88
  89         if (cur_rf_type == RF_1T1R) {
  90                 rf_type = RF_1T1R;
  91         } else if (IsSupportedVHT(psta->wireless_mode)) {
  92                 if (psta->ra_mask & 0xffc00000)
  93                         rf_type = RF_2T2R;
  94         } else if (IsSupportedHT(psta->wireless_mode)) {
  95                 if (psta->ra_mask & 0xfff00000)
  96                         rf_type = RF_2T2R;
  97         }
  98
  99         switch (psta->wireless_mode) {
 100         case WIRELESS_11B:
 101                 raid = RATEID_IDX_B;
 102                 break;
 103         case WIRELESS_11A:
 104         case WIRELESS_11G:
 105                 raid = RATEID_IDX_G;
 106                 break;
 107         case WIRELESS_11BG:
 108                 raid = RATEID_IDX_BG;
 109                 break;
 110         case WIRELESS_11_24N:
 111         case WIRELESS_11_5N:
 112         case WIRELESS_11A_5N:
 113         case WIRELESS_11G_24N:
 114                 if (rf_type == RF_2T2R)
 115                         raid = RATEID_IDX_GN_N2SS;
 116                 else
 117                         raid = RATEID_IDX_GN_N1SS;
 118                 break;
 119         case WIRELESS_11B_24N:
 120         case WIRELESS_11BG_24N:
 121                 if (psta->bw_mode == CHANNEL_WIDTH_20) {
 122                         if (rf_type == RF_2T2R)
 123                                 raid = RATEID_IDX_BGN_20M_2SS_BN;
 124                         else
 125                                 raid = RATEID_IDX_BGN_20M_1SS_BN;
 126                 } else {
 127                         if (rf_type == RF_2T2R)
 128                                 raid = RATEID_IDX_BGN_40M_2SS;
 129                         else
 130                                 raid = RATEID_IDX_BGN_40M_1SS;
 131                 }
 132                 break;
 133         default:
 134                 raid = RATEID_IDX_BGN_40M_2SS;
 135                 break;
 136         }
 137         return raid;
 138 }
 139
 140 unsigned char ratetbl_val_2wifirate(unsigned char rate);
 141 unsigned char ratetbl_val_2wifirate(unsigned char rate)
 142 {
 143         switch (rate & 0x7f) {
 144         case 0:
 145                 return IEEE80211_CCK_RATE_1MB;
 146         case 1:
 147                 return IEEE80211_CCK_RATE_2MB;
 148         case 2:
 149                 return IEEE80211_CCK_RATE_5MB;
 150         case 3:
 151                 return IEEE80211_CCK_RATE_11MB;
 152         case 4:
 153                 return IEEE80211_OFDM_RATE_6MB;
 154         case 5:
 155                 return IEEE80211_OFDM_RATE_9MB;
 156         case 6:
 157                 return IEEE80211_OFDM_RATE_12MB;
 158         case 7:
 159                 return IEEE80211_OFDM_RATE_18MB;
 160         case 8:
 161                 return IEEE80211_OFDM_RATE_24MB;
 162         case 9:
 163                 return IEEE80211_OFDM_RATE_36MB;
 164         case 10:
 165                 return IEEE80211_OFDM_RATE_48MB;
 166         case 11:
 167                 return IEEE80211_OFDM_RATE_54MB;
 168         default:
 169                 return 0;
 170         }
 171 }
 172
 173 int is_basicrate(struct adapter *padapter, unsigned char rate);
 174 int is_basicrate(struct adapter *padapter, unsigned char rate)
 175 {
 176         int i;
 177         unsigned char val;
 178         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 179
 180         for (i = 0; i < NumRates; i++) {
 181                 val = pmlmeext->basicrate[i];
 182
 183                 if ((val != 0xff) && (val != 0xfe))
 184                         if (rate == ratetbl_val_2wifirate(val))
 185                                 return true;
 186         }
 187
 188         return false;
 189 }
 190
 191 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
 192 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 193 {
 194         int i;
 195         unsigned char rate;
 196         unsigned int    len = 0;
 197         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 198
 199         for (i = 0; i < NumRates; i++) {
 200                 rate = pmlmeext->datarate[i];
 201
 202                 switch (rate) {
 203                 case 0xff:
 204                         return len;
 205
 206                 case 0xfe:
 207                         continue;
 208
 209                 default:
 210                         rate = ratetbl_val_2wifirate(rate);
 211
 212                         if (is_basicrate(padapter, rate) == true)
 213                                 rate |= IEEE80211_BASIC_RATE_MASK;
 214
 215                         rateset[len] = rate;
 216                         len++;
 217                         break;
 218                 }
 219         }
 220         return len;
 221 }
 222
 223 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 224 {
 225         unsigned char supportedrates[NumRates];
 226
 227         memset(supportedrates, 0, NumRates);
 228         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 229         memcpy(pbssrate, supportedrates, *bssrate_len);
 230 }
 231
 232 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
 233 {
 234         u8 mcs_rate_1r = (u8)(mask&0xff);
 235         u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
 236         u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
 237         u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
 238
 239         mcs_set[0] &= mcs_rate_1r;
 240         mcs_set[1] &= mcs_rate_2r;
 241         mcs_set[2] &= mcs_rate_3r;
 242         mcs_set[3] &= mcs_rate_4r;
 243 }
 244
 245 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
 246 {
 247         u8 i;
 248         u8 rate;
 249
 250         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 251         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 252                 rate = mBratesOS[i] & 0x7f;
 253                 switch (rate) {
 254                 case IEEE80211_CCK_RATE_1MB:
 255                 case IEEE80211_CCK_RATE_2MB:
 256                 case IEEE80211_CCK_RATE_5MB:
 257                 case IEEE80211_CCK_RATE_11MB:
 258                 case IEEE80211_OFDM_RATE_6MB:
 259                 case IEEE80211_OFDM_RATE_12MB:
 260                 case IEEE80211_OFDM_RATE_24MB:
 261                         mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
 262                         break;
 263                 }
 264         }
 265 }
 266
 267 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 268 {
 269         u8 i;
 270         u8 rate;
 271
 272         for (i = 0; i < bssratelen; i++) {
 273                 rate = bssrateset[i] & 0x7f;
 274                 switch (rate) {
 275                 case IEEE80211_CCK_RATE_1MB:
 276                 case IEEE80211_CCK_RATE_2MB:
 277                 case IEEE80211_CCK_RATE_5MB:
 278                 case IEEE80211_CCK_RATE_11MB:
 279                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 280                         break;
 281                 }
 282         }
 283 }
 284
 285 void Save_DM_Func_Flag(struct adapter *padapter)
 286 {
 287         u8 bSaveFlag = true;
 288         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 289 }
 290
 291 void Restore_DM_Func_Flag(struct adapter *padapter)
 292 {
 293         u8 bSaveFlag = false;
 294         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 295 }
 296
 297 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 298 {
 299         if (enable == true)
 300                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 301         else
 302                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 303 }
 304
 305 void Set_MSR(struct adapter *padapter, u8 type)
 306 {
 307         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 308 }
 309
 310 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 311 {
 312         return adapter_to_dvobj(adapter)->oper_channel;
 313 }
 314
 315 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 316 {
 317 #ifdef DBG_CH_SWITCH
 318         const int len = 128;
 319         char msg[128] = {0};
 320         int cnt = 0;
 321         int i = 0;
 322 #endif  /* DBG_CH_SWITCH */
 323         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 324
 325         if (dvobj->oper_channel != ch) {
 326                 dvobj->on_oper_ch_time = jiffies;
 327
 328 #ifdef DBG_CH_SWITCH
 329                 cnt += snprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
 330
 331                 for (i = 0; i < dvobj->iface_nums; i++) {
 332                         struct adapter *iface = dvobj->padapters[i];
 333                         cnt += snprintf(msg+cnt, len-cnt, " ["ADPT_FMT":", ADPT_ARG(iface));
 334                         if (iface->mlmeextpriv.cur_channel == ch)
 335                                 cnt += snprintf(msg+cnt, len-cnt, "C");
 336                         else
 337                                 cnt += snprintf(msg+cnt, len-cnt, "_");
 338                         if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
 339                                 cnt += snprintf(msg+cnt, len-cnt, "L");
 340                         else
 341                                 cnt += snprintf(msg+cnt, len-cnt, "_");
 342                         cnt += snprintf(msg+cnt, len-cnt, "]");
 343                 }
 344
 345                 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg);
 346 #endif /* DBG_CH_SWITCH */
 347         }
 348
 349         dvobj->oper_channel = ch;
 350 }
 351
 352 inline u8 rtw_get_oper_bw(struct adapter *adapter)
 353 {
 354         return adapter_to_dvobj(adapter)->oper_bwmode;
 355 }
 356
 357 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 358 {
 359         adapter_to_dvobj(adapter)->oper_bwmode = bw;
 360 }
 361
 362 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
 363 {
 364         return adapter_to_dvobj(adapter)->oper_ch_offset;
 365 }
 366
 367 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 368 {
 369         adapter_to_dvobj(adapter)->oper_ch_offset = offset;
 370 }
 371
 372 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
 373 {
 374         u8 center_ch = channel;
 375
 376         if (chnl_bw == CHANNEL_WIDTH_80) {
 377                 if ((channel == 36) || (channel == 40) || (channel == 44) || (channel == 48))
 378                         center_ch = 42;
 379                 if ((channel == 52) || (channel == 56) || (channel == 60) || (channel == 64))
 380                         center_ch = 58;
 381                 if ((channel == 100) || (channel == 104) || (channel == 108) || (channel == 112))
 382                         center_ch = 106;
 383                 if ((channel == 116) || (channel == 120) || (channel == 124) || (channel == 128))
 384                         center_ch = 122;
 385                 if ((channel == 132) || (channel == 136) || (channel == 140) || (channel == 144))
 386                         center_ch = 138;
 387                 if ((channel == 149) || (channel == 153) || (channel == 157) || (channel == 161))
 388                         center_ch = 155;
 389                 else if (channel <= 14)
 390                         center_ch = 7;
 391         } else if (chnl_bw == CHANNEL_WIDTH_40) {
 392                 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
 393                         center_ch = channel + 2;
 394                 else
 395                         center_ch = channel - 2;
 396         }
 397
 398         return center_ch;
 399 }
 400
 401 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
 402 {
 403         if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
 404                 return adapter_to_dvobj(adapter)->on_oper_ch_time;
 405         else
 406                 return 0;
 407 }
 408
 409 void SelectChannel(struct adapter *padapter, unsigned char channel)
 410 {
 411         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 412                 return;
 413
 414         /* saved channel info */
 415         rtw_set_oper_ch(padapter, channel);
 416
 417         rtw_hal_set_chan(padapter, channel);
 418
 419         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 420 }
 421
 422 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 423 {
 424         u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 425
 426         if (padapter->bNotifyChannelChange)
 427                 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
 428
 429         center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
 430
 431         if (bwmode == CHANNEL_WIDTH_80) {
 432                 if (center_ch > channel)
 433                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER;
 434                 else if (center_ch < channel)
 435                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER;
 436                 else
 437                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 438         }
 439
 440         /* set Channel */
 441         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 442                 return;
 443
 444         /* saved channel/bw info */
 445         rtw_set_oper_ch(padapter, channel);
 446         rtw_set_oper_bw(padapter, bwmode);
 447         rtw_set_oper_choffset(padapter, channel_offset);
 448
 449         rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /*  set center channel */
 450
 451         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 452 }
 453
 454 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
 455 {
 456         return pnetwork->MacAddress;
 457 }
 458
 459 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 460 {
 461         __le16 val;
 462         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
 463
 464         return le16_to_cpu(val);
 465 }
 466
 467 int is_client_associated_to_ap(struct adapter *padapter)
 468 {
 469         struct mlme_ext_priv *pmlmeext;
 470         struct mlme_ext_info *pmlmeinfo;
 471
 472         if (!padapter)
 473                 return _FAIL;
 474
 475         pmlmeext = &padapter->mlmeextpriv;
 476         pmlmeinfo = &(pmlmeext->mlmext_info);
 477
 478         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 479                 return true;
 480         else
 481                 return _FAIL;
 482 }
 483
 484 int is_client_associated_to_ibss(struct adapter *padapter)
 485 {
 486         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 487         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 488
 489         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 490                 return true;
 491         else
 492                 return _FAIL;
 493 }
 494
 495 int is_IBSS_empty(struct adapter *padapter)
 496 {
 497         unsigned int i;
 498         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 499         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 500
 501         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 502                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 503                         return _FAIL;
 504         }
 505
 506         return true;
 507 }
 508
 509 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 510 {
 511         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 512                 return WAIT_FOR_BCN_TO_MIN;
 513         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 514                 return WAIT_FOR_BCN_TO_MAX;
 515         else
 516                 return bcn_interval << 2;
 517 }
 518
 519 void invalidate_cam_all(struct adapter *padapter)
 520 {
 521         struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
 522         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 523
 524         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 525
 526         spin_lock_bh(&cam_ctl->lock);
 527         cam_ctl->bitmap = 0;
 528         memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
 529         spin_unlock_bh(&cam_ctl->lock);
 530 }
 531
 532 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
 533 {
 534         u32 count = 0, cmd;
 535         cmd = CAM_POLLINIG | addr;
 536         rtw_write32(padapter, RWCAM, cmd);
 537
 538         do {
 539                 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
 540                         break;
 541         } while (count++ < 100);
 542
 543         return rtw_read32(padapter, REG_CAMREAD);
 544 }
 545 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
 546 {
 547         u32 j, addr, cmd;
 548         addr = entry << 3;
 549
 550         /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */
 551         for (j = 0; j < 6; j++) {
 552                 cmd = _ReadCAM(padapter, addr+j);
 553                 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */
 554                 if (j > 1) /* get key from cam */
 555                         memcpy(get_key+(j-2)*4, &cmd, 4);
 556         }
 557         /* DBG_8192C("*********************************\n"); */
 558 }
 559
 560 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 561 {
 562         unsigned int i, val, addr;
 563         int j;
 564         u32 cam_val[2];
 565
 566         addr = entry << 3;
 567
 568         for (j = 5; j >= 0; j--) {
 569                 switch (j) {
 570                 case 0:
 571                         val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
 572                         break;
 573                 case 1:
 574                         val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
 575                         break;
 576                 default:
 577                         i = (j - 2) << 2;
 578                         val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
 579                         break;
 580                 }
 581
 582                 cam_val[0] = val;
 583                 cam_val[1] = addr + (unsigned int)j;
 584
 585                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 586         }
 587 }
 588
 589 void _clear_cam_entry(struct adapter *padapter, u8 entry)
 590 {
 591         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 592         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 593
 594         _write_cam(padapter, entry, 0, null_sta, null_key);
 595 }
 596
 597 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 598 {
 599         _write_cam(adapter, id, ctrl, mac, key);
 600         write_cam_cache(adapter, id, ctrl, mac, key);
 601 }
 602
 603 inline void clear_cam_entry(struct adapter *adapter, u8 id)
 604 {
 605         _clear_cam_entry(adapter, id);
 606         clear_cam_cache(adapter, id);
 607 }
 608
 609 inline void write_cam_from_cache(struct adapter *adapter, u8 id)
 610 {
 611         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 612         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 613         struct cam_entry_cache cache;
 614
 615         spin_lock_bh(&cam_ctl->lock);
 616         memcpy(&cache, &dvobj->cam_cache[id], sizeof(struct cam_entry_cache));
 617         spin_unlock_bh(&cam_ctl->lock);
 618
 619         _write_cam(adapter, id, cache.ctrl, cache.mac, cache.key);
 620 }
 621
 622 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 623 {
 624         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 625         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 626
 627         spin_lock_bh(&cam_ctl->lock);
 628
 629         dvobj->cam_cache[id].ctrl = ctrl;
 630         memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
 631         memcpy(dvobj->cam_cache[id].key, key, 16);
 632
 633         spin_unlock_bh(&cam_ctl->lock);
 634 }
 635
 636 void clear_cam_cache(struct adapter *adapter, u8 id)
 637 {
 638         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 639         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 640
 641         spin_lock_bh(&cam_ctl->lock);
 642
 643         memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
 644
 645         spin_unlock_bh(&cam_ctl->lock);
 646 }
 647
 648 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
 649 {
 650         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 651         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 652         bool ret = false;
 653
 654         if (cam_id >= TOTAL_CAM_ENTRY)
 655                 goto exit;
 656
 657         if (!(cam_ctl->bitmap & BIT(cam_id)))
 658                 goto exit;
 659
 660         ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
 661
 662 exit:
 663         return ret;
 664 }
 665
 666 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 667 {
 668         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 669         int i;
 670         s16 cam_id = -1;
 671
 672         for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
 673                 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
 674                         continue;
 675                 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
 676                         continue;
 677
 678                 cam_id = i;
 679                 break;
 680         }
 681
 682         if (addr)
 683                 DBG_871X(FUNC_ADPT_FMT" addr:"MAC_FMT" kid:%d, return cam_id:%d\n"
 684                          , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id);
 685         else
 686                 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n"
 687                          , FUNC_ADPT_ARG(adapter), addr, kid, cam_id);
 688
 689         return cam_id;
 690 }
 691
 692 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 693 {
 694         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 695         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 696         s16 cam_id = -1;
 697
 698         spin_lock_bh(&cam_ctl->lock);
 699         cam_id = _rtw_camid_search(adapter, addr, kid);
 700         spin_unlock_bh(&cam_ctl->lock);
 701
 702         return cam_id;
 703 }
 704
 705 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
 706 {
 707         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 708         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 709         s16 cam_id = -1;
 710         struct mlme_ext_info *mlmeinfo;
 711
 712         spin_lock_bh(&cam_ctl->lock);
 713
 714         mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
 715
 716         if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 717                 && !sta) {
 718                 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
 719                 if (kid > 3) {
 720                         DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n"
 721                                 , FUNC_ADPT_ARG(adapter), kid);
 722                         rtw_warn_on(1);
 723                         goto bitmap_handle;
 724                 }
 725
 726                 cam_id = kid;
 727         } else {
 728                 int i;
 729                 u8 *addr = sta?sta->hwaddr:NULL;
 730
 731                 if (!sta) {
 732                         if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
 733                                 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
 734                                 goto bitmap_handle;
 735                         }
 736
 737                         addr = get_bssid(&adapter->mlmepriv);
 738                 }
 739
 740                 i = _rtw_camid_search(adapter, addr, kid);
 741                 if (i >= 0) {
 742                         /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
 743                         if (sta || _rtw_camid_is_gk(adapter, i))
 744                                 cam_id = i;
 745                         else
 746                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n"
 747                                         , FUNC_ADPT_ARG(adapter), kid);
 748                         goto bitmap_handle;
 749                 }
 750
 751                 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
 752                         if (!(cam_ctl->bitmap & BIT(i)))
 753                                 break;
 754
 755                 if (i == TOTAL_CAM_ENTRY) {
 756                         if (sta)
 757                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with "MAC_FMT" id:%u no room\n"
 758                                 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid);
 759                         else
 760                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n"
 761                                 , FUNC_ADPT_ARG(adapter), kid);
 762                         rtw_warn_on(1);
 763                         goto bitmap_handle;
 764                 }
 765
 766                 cam_id = i;
 767         }
 768
 769 bitmap_handle:
 770         if (cam_id >= 0 && cam_id < 32)
 771                 cam_ctl->bitmap |= BIT(cam_id);
 772
 773         spin_unlock_bh(&cam_ctl->lock);
 774
 775         return cam_id;
 776 }
 777
 778 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
 779 {
 780         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 781         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 782
 783         spin_lock_bh(&cam_ctl->lock);
 784
 785         if (cam_id < TOTAL_CAM_ENTRY)
 786                 cam_ctl->bitmap &= ~(BIT(cam_id));
 787
 788         spin_unlock_bh(&cam_ctl->lock);
 789 }
 790
 791 int allocate_fw_sta_entry(struct adapter *padapter)
 792 {
 793         unsigned int mac_id;
 794         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 795         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 796
 797         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 798                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 799                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 800                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 801                         break;
 802                 }
 803         }
 804
 805         return mac_id;
 806 }
 807
 808 void flush_all_cam_entry(struct adapter *padapter)
 809 {
 810         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 811         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 812
 813         invalidate_cam_all(padapter);
 814         /* clear default key related key search setting */
 815         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
 816
 817         memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 818 }
 819
 820 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 821 {
 822         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 823         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 824         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 825         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 826
 827         if (pmlmepriv->qospriv.qos_option == 0) {
 828                 pmlmeinfo->WMM_enable = 0;
 829                 return false;
 830         }
 831
 832         if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
 833                 return false;
 834         else
 835                 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 836
 837         pmlmeinfo->WMM_enable = 1;
 838         return true;
 839 }
 840
 841 void WMMOnAssocRsp(struct adapter *padapter)
 842 {
 843         u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 844         u8 acm_mask;
 845         u16 TXOP;
 846         u32 acParm, i;
 847         u32 edca[4], inx[4];
 848         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 849         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 850         struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
 851         struct registry_priv *pregpriv = &padapter->registrypriv;
 852
 853         acm_mask = 0;
 854
 855         if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
 856                 aSifsTime = 16;
 857         else
 858                 aSifsTime = 10;
 859
 860         if (pmlmeinfo->WMM_enable == 0) {
 861                 padapter->mlmepriv.acm_mask = 0;
 862
 863                 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
 864
 865                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
 866                         ECWMin = 4;
 867                         ECWMax = 10;
 868                 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
 869                         ECWMin = 5;
 870                         ECWMax = 10;
 871                 } else {
 872                         ECWMin = 4;
 873                         ECWMax = 10;
 874                 }
 875
 876                 TXOP = 0;
 877                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 878                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 879                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 880                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 881
 882                 ECWMin = 2;
 883                 ECWMax = 3;
 884                 TXOP = 0x2f;
 885                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 886                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 887         } else {
 888                 edca[0] = edca[1] = edca[2] = edca[3] = 0;
 889
 890                 for (i = 0; i < 4; i++) {
 891                         ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 892                         ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 893
 894                         /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 895                         AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 896
 897                         ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
 898                         ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 899                         TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 900
 901                         acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 902
 903                         switch (ACI) {
 904                         case 0x0:
 905                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 906                                 acm_mask |= (ACM ? BIT(1):0);
 907                                 edca[XMIT_BE_QUEUE] = acParm;
 908                                 break;
 909
 910                         case 0x1:
 911                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 912                                 /* acm_mask |= (ACM? BIT(0):0); */
 913                                 edca[XMIT_BK_QUEUE] = acParm;
 914                                 break;
 915
 916                         case 0x2:
 917                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 918                                 acm_mask |= (ACM ? BIT(2):0);
 919                                 edca[XMIT_VI_QUEUE] = acParm;
 920                                 break;
 921
 922                         case 0x3:
 923                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 924                                 acm_mask |= (ACM ? BIT(3):0);
 925                                 edca[XMIT_VO_QUEUE] = acParm;
 926                                 break;
 927                         }
 928
 929                         DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm);
 930                 }
 931
 932                 if (padapter->registrypriv.acm_method == 1)
 933                         rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 934                 else
 935                         padapter->mlmepriv.acm_mask = acm_mask;
 936
 937                 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 938
 939                 if (pregpriv->wifi_spec == 1) {
 940                         u32 j, tmp, change_inx = false;
 941
 942                         /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 943                         for (i = 0; i < 4; i++) {
 944                                 for (j = i+1; j < 4; j++) {
 945                                         /* compare CW and AIFS */
 946                                         if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 947                                                 change_inx = true;
 948                                         } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 949                                                 /* compare TXOP */
 950                                                 if ((edca[j] >> 16) > (edca[i] >> 16))
 951                                                         change_inx = true;
 952                                         }
 953
 954                                         if (change_inx) {
 955                                                 tmp = edca[i];
 956                                                 edca[i] = edca[j];
 957                                                 edca[j] = tmp;
 958
 959                                                 tmp = inx[i];
 960                                                 inx[i] = inx[j];
 961                                                 inx[j] = tmp;
 962
 963                                                 change_inx = false;
 964                                         }
 965                                 }
 966                         }
 967                 }
 968
 969                 for (i = 0; i < 4; i++) {
 970                         pxmitpriv->wmm_para_seq[i] = inx[i];
 971                         DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
 972                 }
 973         }
 974 }
 975
 976 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 977 {
 978         unsigned char  new_bwmode;
 979         unsigned char  new_ch_offset;
 980         struct HT_info_element   *pHT_info;
 981         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 982         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 983         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 984         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 985         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
 986         u8 cbw40_enable = 0;
 987
 988         if (!pIE)
 989                 return;
 990
 991         if (phtpriv->ht_option == false)
 992                 return;
 993
 994         if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80)
 995                 return;
 996
 997         if (pIE->Length > sizeof(struct HT_info_element))
 998                 return;
 999
1000         pHT_info = (struct HT_info_element *)pIE->data;
1001
1002         if (pmlmeext->cur_channel > 14) {
1003                 if ((pregistrypriv->bw_mode & 0xf0) > 0)
1004                         cbw40_enable = 1;
1005         } else
1006                 if ((pregistrypriv->bw_mode & 0x0f) > 0)
1007                         cbw40_enable = 1;
1008
1009         if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
1010                 new_bwmode = CHANNEL_WIDTH_40;
1011
1012                 switch (pHT_info->infos[0] & 0x3) {
1013                 case 1:
1014                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
1015                         break;
1016
1017                 case 3:
1018                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
1019                         break;
1020
1021                 default:
1022                         new_bwmode = CHANNEL_WIDTH_20;
1023                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1024                         break;
1025                 }
1026         } else {
1027                 new_bwmode = CHANNEL_WIDTH_20;
1028                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1029         }
1030
1031         if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
1032                 pmlmeinfo->bwmode_updated = true;
1033
1034                 pmlmeext->cur_bwmode = new_bwmode;
1035                 pmlmeext->cur_ch_offset = new_ch_offset;
1036
1037                 /* update HT info also */
1038                 HT_info_handler(padapter, pIE);
1039         } else
1040                 pmlmeinfo->bwmode_updated = false;
1041
1042         if (true == pmlmeinfo->bwmode_updated) {
1043                 struct sta_info *psta;
1044                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
1045                 struct sta_priv *pstapriv = &padapter->stapriv;
1046
1047                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1048
1049                 /* update ap's stainfo */
1050                 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
1051                 if (psta) {
1052                         struct ht_priv *phtpriv_sta = &psta->htpriv;
1053
1054                         if (phtpriv_sta->ht_option) {
1055                                 /*  bwmode */
1056                                 psta->bw_mode = pmlmeext->cur_bwmode;
1057                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
1058                         } else {
1059                                 psta->bw_mode = CHANNEL_WIDTH_20;
1060                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1061                         }
1062
1063                         rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
1064                 }
1065         }
1066 }
1067
1068 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1069 {
1070         unsigned int    i;
1071         u8 rf_type;
1072         u8 max_AMPDU_len, min_MPDU_spacing;
1073         u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
1074         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1075         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1076         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1077         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1078
1079         if (!pIE)
1080                 return;
1081
1082         if (phtpriv->ht_option == false)
1083                 return;
1084
1085         pmlmeinfo->HT_caps_enable = 1;
1086
1087         for (i = 0; i < (pIE->Length); i++) {
1088                 if (i != 2) {
1089                         /*      Commented by Albert 2010/07/12 */
1090                         /*      Got the endian issue here. */
1091                         pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
1092                 } else {
1093                         /* modify from  fw by Thomas 2010/11/17 */
1094                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
1095                                 max_AMPDU_len = (pIE->data[i] & 0x3);
1096                         else
1097                                 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
1098
1099                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
1100                                 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
1101                         else
1102                                 min_MPDU_spacing = (pIE->data[i] & 0x1c);
1103
1104                         pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
1105                 }
1106         }
1107         rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1108
1109         /* update the MCS set */
1110         for (i = 0; i < 16; i++)
1111                 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1112
1113         /* update the MCS rates */
1114         switch (rf_type) {
1115         case RF_1T1R:
1116         case RF_1T2R:
1117                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1118                 break;
1119         case RF_2T2R:
1120         default:
1121 #ifdef CONFIG_DISABLE_MCS13TO15
1122                 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
1123                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
1124                 else
1125                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1126 #else /* CONFIG_DISABLE_MCS13TO15 */
1127                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1128 #endif /* CONFIG_DISABLE_MCS13TO15 */
1129         }
1130
1131         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1132                 /*  Config STBC setting */
1133                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) {
1134                         SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1135                         DBG_871X("Enable HT Tx STBC !\n");
1136                 }
1137                 phtpriv->stbc_cap = cur_stbc_cap;
1138         } else {
1139                 /*  Config LDPC Coding Capability */
1140                 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) {
1141                         SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1142                         DBG_871X("Enable HT Tx LDPC!\n");
1143                 }
1144                 phtpriv->ldpc_cap = cur_ldpc_cap;
1145
1146                 /*  Config STBC setting */
1147                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) {
1148                         SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1149                         DBG_871X("Enable HT Tx STBC!\n");
1150                 }
1151                 phtpriv->stbc_cap = cur_stbc_cap;
1152         }
1153 }
1154
1155 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1156 {
1157         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1158         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1159         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1160         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1161
1162         if (!pIE)
1163                 return;
1164
1165         if (phtpriv->ht_option == false)
1166                 return;
1167
1168         if (pIE->Length > sizeof(struct HT_info_element))
1169                 return;
1170
1171         pmlmeinfo->HT_info_enable = 1;
1172         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
1173
1174         return;
1175 }
1176
1177 void HTOnAssocRsp(struct adapter *padapter)
1178 {
1179         unsigned char   max_AMPDU_len;
1180         unsigned char   min_MPDU_spacing;
1181         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
1182         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1183         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1184
1185         DBG_871X("%s\n", __func__);
1186
1187         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1188                 pmlmeinfo->HT_enable = 1;
1189         } else {
1190                 pmlmeinfo->HT_enable = 0;
1191                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1192                 return;
1193         }
1194
1195         /* handle A-MPDU parameter field */
1196         /*
1197                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1198                 AMPDU_para [4:2]:Min MPDU Start Spacing
1199         */
1200         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1201
1202         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1203
1204         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1205
1206         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1207 }
1208
1209 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1210 {
1211         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1212         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1213
1214         if (pIE->Length > 1)
1215                 return;
1216
1217         pmlmeinfo->ERP_enable = 1;
1218         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
1219 }
1220
1221 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1222 {
1223         struct registry_priv  *pregpriv = &padapter->registrypriv;
1224         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1225         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1226
1227         switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1228         case 0: /* off */
1229                 psta->rtsen = 0;
1230                 psta->cts2self = 0;
1231                 break;
1232
1233         case 1: /* on */
1234                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1235                         psta->rtsen = 1;
1236                         psta->cts2self = 0;
1237                 } else {
1238                         psta->rtsen = 0;
1239                         psta->cts2self = 1;
1240                 }
1241                 break;
1242
1243         case 2: /* auto */
1244         default:
1245                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1246                         if (pregpriv->vcs_type == 1) {
1247                                 psta->rtsen = 1;
1248                                 psta->cts2self = 0;
1249                         } else {
1250                                 psta->rtsen = 0;
1251                                 psta->cts2self = 1;
1252                         }
1253                 } else {
1254                         psta->rtsen = 0;
1255                         psta->cts2self = 0;
1256                 }
1257                 break;
1258         }
1259 }
1260
1261 void update_ldpc_stbc_cap(struct sta_info *psta)
1262 {
1263         if (psta->htpriv.ht_option) {
1264                 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1265                         psta->ldpc = 1;
1266
1267                 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1268                         psta->stbc = 1;
1269         } else {
1270                 psta->ldpc = 0;
1271                 psta->stbc = 0;
1272         }
1273 }
1274
1275 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1276 {
1277         unsigned int            len;
1278         unsigned char   *p;
1279         unsigned short  val16, subtype;
1280         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1281         /* u8 wpa_ie[255], rsn_ie[255]; */
1282         u16 wpa_len = 0, rsn_len = 0;
1283         u8 encryp_protocol = 0;
1284         struct wlan_bssid_ex *bssid;
1285         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1286         unsigned char *pbuf;
1287         u32 wpa_ielen = 0;
1288         u8 *pbssid = GetAddr3Ptr(pframe);
1289         u32 hidden_ssid = 0;
1290         struct HT_info_element *pht_info = NULL;
1291         struct rtw_ieee80211_ht_cap *pht_cap = NULL;
1292         u32 bcn_channel;
1293         unsigned short  ht_cap_info;
1294         unsigned char ht_info_infos_0;
1295         struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1296
1297         if (is_client_associated_to_ap(Adapter) == false)
1298                 return true;
1299
1300         len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1301
1302         if (len > MAX_IE_SZ) {
1303                 DBG_871X("%s IE too long for survey event\n", __func__);
1304                 return _FAIL;
1305         }
1306
1307         if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
1308                 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n" MAC_FMT MAC_FMT,
1309                                 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress));
1310                 return true;
1311         }
1312
1313         bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1314         if (!bssid) {
1315                 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__);
1316                 return true;
1317         }
1318
1319         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1320                 pmlmepriv->timeBcnInfoChkStart = 0;
1321                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1322         }
1323
1324         subtype = GetFrameSubType(pframe) >> 4;
1325
1326         if (subtype == WIFI_BEACON)
1327                 bssid->Reserved[0] = 1;
1328
1329         bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1330
1331         /* below is to copy the information element */
1332         bssid->IELength = len;
1333         memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
1334
1335         /* check bw and channel offset */
1336         /* parsing HT_CAP_IE */
1337         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1338         if (p && len > 0) {
1339                         pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
1340                         ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1341         } else {
1342                         ht_cap_info = 0;
1343         }
1344         /* parsing HT_INFO_IE */
1345         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1346         if (p && len > 0) {
1347                         pht_info = (struct HT_info_element *)(p + 2);
1348                         ht_info_infos_0 = pht_info->infos[0];
1349         } else {
1350                         ht_info_infos_0 = 0;
1351         }
1352         if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
1353                 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
1354                         DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1355                                                         ht_cap_info, ht_info_infos_0);
1356                         DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1357                                                         cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
1358                         DBG_871X("%s bw mode change\n", __func__);
1359                         {
1360                                 /* bcn_info_update */
1361                                 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
1362                                 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
1363                                 /* to do : need to check that whether modify related register of BB or not */
1364                         }
1365                         /* goto _mismatch; */
1366         }
1367
1368         /* Checking for channel */
1369         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1370         if (p) {
1371                         bcn_channel = *(p + 2);
1372         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1373                         rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1374                         if (pht_info) {
1375                                         bcn_channel = pht_info->primary_channel;
1376                         } else { /* we don't find channel IE, so don't check it */
1377                                         /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */
1378                                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
1379                         }
1380         }
1381         if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
1382                         DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
1383                                                    bcn_channel, Adapter->mlmeextpriv.cur_channel);
1384                         goto _mismatch;
1385         }
1386
1387         /* checking SSID */
1388         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1389         if (!p) {
1390                 DBG_871X("%s marc: cannot find SSID for survey event\n", __func__);
1391                 hidden_ssid = true;
1392         } else {
1393                 hidden_ssid = false;
1394         }
1395
1396         if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
1397                 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
1398                 bssid->Ssid.SsidLength = *(p + 1);
1399         } else {
1400                 bssid->Ssid.SsidLength = 0;
1401                 bssid->Ssid.Ssid[0] = '\0';
1402         }
1403
1404         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
1405                                 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
1406                                 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
1407                                 cur_network->network.Ssid.SsidLength));
1408
1409         if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1410                         bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
1411                 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
1412                         DBG_871X("%s(), SSID is not match\n", __func__);
1413                         goto _mismatch;
1414                 }
1415         }
1416
1417         /* check encryption info */
1418         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1419
1420         if (val16 & BIT(4))
1421                 bssid->Privacy = 1;
1422         else
1423                 bssid->Privacy = 0;
1424
1425         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1426                         ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1427                          __func__, cur_network->network.Privacy, bssid->Privacy));
1428         if (cur_network->network.Privacy != bssid->Privacy) {
1429                 DBG_871X("%s(), privacy is not match\n", __func__);
1430                 goto _mismatch;
1431         }
1432
1433         rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1434
1435         if (rsn_len > 0) {
1436                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1437         } else if (wpa_len > 0) {
1438                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1439         } else {
1440                 if (bssid->Privacy)
1441                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
1442         }
1443
1444         if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1445                 DBG_871X("%s(): enctyp is not match\n", __func__);
1446                 goto _mismatch;
1447         }
1448
1449         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1450                 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1451                 if (pbuf && (wpa_ielen > 0)) {
1452                         if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1453                                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1454                                                 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1455                                                  pairwise_cipher, group_cipher, is_8021x));
1456                         }
1457                 } else {
1458                         pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1459
1460                         if (pbuf && (wpa_ielen > 0)) {
1461                                 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1462                                         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1463                                                         ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1464                                                          __func__, pairwise_cipher, group_cipher, is_8021x));
1465                                 }
1466                         }
1467                 }
1468
1469                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1470                                 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1471                 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1472                         DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__,
1473                                         pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1474                                         group_cipher, cur_network->BcnInfo.group_cipher);
1475                         goto _mismatch;
1476                 }
1477
1478                 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1479                         DBG_871X("%s authentication is not match\n", __func__);
1480                         goto _mismatch;
1481                 }
1482         }
1483
1484         kfree((u8 *)bssid);
1485         return _SUCCESS;
1486
1487 _mismatch:
1488         kfree((u8 *)bssid);
1489
1490         if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1491                 pmlmepriv->timeBcnInfoChkStart = jiffies;
1492
1493         pmlmepriv->NumOfBcnInfoChkFail++;
1494         DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe));
1495
1496         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1497                 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1498                 DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail,
1499                         DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart));
1500                 pmlmepriv->timeBcnInfoChkStart = 0;
1501                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1502                 return _FAIL;
1503         }
1504
1505         return _SUCCESS;
1506 }
1507
1508 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1509 {
1510         unsigned int i;
1511         unsigned int len;
1512         struct ndis_80211_var_ie *pIE;
1513
1514         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1515
1516         for (i = 0; i < len;) {
1517                 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1518
1519                 switch (pIE->ElementID) {
1520                 case _VENDOR_SPECIFIC_IE_:
1521                         /* to update WMM paramter set while receiving beacon */
1522                         if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */
1523                                 if (WMM_param_handler(padapter, pIE))
1524                                         report_wmm_edca_update(padapter);
1525
1526                         break;
1527
1528                 case _HT_EXTRA_INFO_IE_:        /* HT info */
1529                         /* HT_info_handler(padapter, pIE); */
1530                         bwmode_update_check(padapter, pIE);
1531                         break;
1532
1533                 case _ERPINFO_IE_:
1534                         ERP_IE_handler(padapter, pIE);
1535                         VCS_update(padapter, psta);
1536                         break;
1537
1538                 default:
1539                         break;
1540                 }
1541
1542                 i += (pIE->Length + 2);
1543         }
1544 }
1545
1546 unsigned int is_ap_in_tkip(struct adapter *padapter)
1547 {
1548         u32 i;
1549         struct ndis_80211_var_ie *pIE;
1550         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1551         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1552         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1553
1554         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1555                 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
1556                         pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
1557
1558                         switch (pIE->ElementID) {
1559                         case _VENDOR_SPECIFIC_IE_:
1560                                 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1561                                         return true;
1562
1563                                 break;
1564
1565                         case _RSN_IE_2_:
1566                                 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1567                                         return true;
1568
1569                         default:
1570                                 break;
1571                         }
1572
1573                         i += (pIE->Length + 2);
1574                 }
1575
1576                 return false;
1577         } else
1578                 return false;
1579 }
1580
1581 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1582 {
1583         unsigned char                           bit_offset;
1584         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1585         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1586
1587         if (!(pmlmeinfo->HT_enable))
1588                 return _FAIL;
1589
1590         bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1591
1592         if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1593                 return _SUCCESS;
1594         else
1595                 return _FAIL;
1596 }
1597
1598 unsigned char get_highest_rate_idx(u32 mask)
1599 {
1600         int i;
1601         unsigned char rate_idx = 0;
1602
1603         for (i = 31; i >= 0; i--) {
1604                 if (mask & BIT(i)) {
1605                         rate_idx = i;
1606                         break;
1607                 }
1608         }
1609
1610         return rate_idx;
1611 }
1612
1613 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1614 {
1615         rtw_hal_update_ra_mask(psta, 0);
1616 }
1617
1618 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1619 {
1620         /* rate adaptive */
1621         Update_RA_Entry(padapter, psta);
1622 }
1623
1624 unsigned char check_assoc_AP(u8 *pframe, uint len)
1625 {
1626         unsigned int    i;
1627         struct ndis_80211_var_ie *pIE;
1628
1629         for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1630                 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1631
1632                 switch (pIE->ElementID) {
1633                 case _VENDOR_SPECIFIC_IE_:
1634                         if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1635                                 DBG_871X("link to Artheros AP\n");
1636                                 return HT_IOT_PEER_ATHEROS;
1637                         } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3))
1638                                                 || (!memcmp(pIE->data, BROADCOM_OUI2, 3))
1639                                                 || (!memcmp(pIE->data, BROADCOM_OUI3, 3))) {
1640                                 DBG_871X("link to Broadcom AP\n");
1641                                 return HT_IOT_PEER_BROADCOM;
1642                         } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1643                                 DBG_871X("link to Marvell AP\n");
1644                                 return HT_IOT_PEER_MARVELL;
1645                         } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1646                                 DBG_871X("link to Ralink AP\n");
1647                                 return HT_IOT_PEER_RALINK;
1648                         } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1649                                 DBG_871X("link to Cisco AP\n");
1650                                 return HT_IOT_PEER_CISCO;
1651                         } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1652                                 u32 Vender = HT_IOT_PEER_REALTEK;
1653
1654                                 if (pIE->Length >= 5) {
1655                                         if (pIE->data[4] == 1)
1656                                                 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1657                                                 /*      bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1658                                                 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1659                                                         /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1660                                                         Vender = HT_IOT_PEER_REALTEK_92SE;
1661
1662                                         if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1663                                                 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1664
1665                                         if (pIE->data[4] == 2) {
1666                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) {
1667                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1668                                                         DBG_871X("link to Realtek JAGUAR_BCUTAP\n");
1669                                                 }
1670                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) {
1671                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1672                                                         DBG_871X("link to Realtek JAGUAR_CCUTAP\n");
1673                                                 }
1674                                         }
1675                                 }
1676
1677                                 DBG_871X("link to Realtek AP\n");
1678                                 return Vender;
1679                         } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1680                                 DBG_871X("link to Airgo Cap\n");
1681                                 return HT_IOT_PEER_AIRGO;
1682                         } else
1683                                 break;
1684
1685                 default:
1686                         break;
1687                 }
1688
1689                 i += (pIE->Length + 2);
1690         }
1691
1692         DBG_871X("link to new AP\n");
1693         return HT_IOT_PEER_UNKNOWN;
1694 }
1695
1696 void update_IOT_info(struct adapter *padapter)
1697 {
1698         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1699         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1700
1701         switch (pmlmeinfo->assoc_AP_vendor) {
1702         case HT_IOT_PEER_MARVELL:
1703                 pmlmeinfo->turboMode_cts2self = 1;
1704                 pmlmeinfo->turboMode_rtsen = 0;
1705                 break;
1706
1707         case HT_IOT_PEER_RALINK:
1708                 pmlmeinfo->turboMode_cts2self = 0;
1709                 pmlmeinfo->turboMode_rtsen = 1;
1710                 /* disable high power */
1711                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1712                 break;
1713         case HT_IOT_PEER_REALTEK:
1714                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1715                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1716                 /* disable high power */
1717                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1718                 break;
1719         default:
1720                 pmlmeinfo->turboMode_cts2self = 0;
1721                 pmlmeinfo->turboMode_rtsen = 1;
1722                 break;
1723         }
1724 }
1725
1726 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1727 {
1728         struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1729         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1730         bool            ShortPreamble;
1731
1732         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1733         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1734         /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1735         {
1736                 if (updateCap & cShortPreamble) {
1737                         /*  Short Preamble */
1738                         if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1739                                 ShortPreamble = true;
1740                                 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1741                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1742                         }
1743                 } else {
1744                         /*  Long Preamble */
1745                         if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1746                                 ShortPreamble = false;
1747                                 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1748                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1749                         }
1750                 }
1751         }
1752
1753         if (updateCap & cIBSS)
1754                 /* Filen: See 802.11-2007 p.91 */
1755                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1756         else {
1757                 /* Filen: See 802.11-2007 p.90 */
1758                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC))
1759                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1760                 else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1761                         if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1762                                 /*  Short Slot Time */
1763                                 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1764                         else
1765                                 /*  Long Slot Time */
1766                                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1767                 } else
1768                         /* B Mode */
1769                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1770         }
1771
1772         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1773 }
1774
1775 void update_wireless_mode(struct adapter *padapter)
1776 {
1777         int ratelen, network_type = 0;
1778         u32 SIFS_Timer;
1779         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1780         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1781         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1782         unsigned char           *rate = cur_network->SupportedRates;
1783
1784         ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1785
1786         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1787                 pmlmeinfo->HT_enable = 1;
1788
1789         if (pmlmeext->cur_channel > 14) {
1790                 if (pmlmeinfo->VHT_enable)
1791                         network_type = WIRELESS_11AC;
1792                 else if (pmlmeinfo->HT_enable)
1793                         network_type = WIRELESS_11_5N;
1794
1795                 network_type |= WIRELESS_11A;
1796         } else {
1797                 if (pmlmeinfo->VHT_enable)
1798                         network_type = WIRELESS_11AC;
1799                 else if (pmlmeinfo->HT_enable)
1800                         network_type = WIRELESS_11_24N;
1801
1802                 if ((cckratesonly_included(rate, ratelen)) == true)
1803                         network_type |= WIRELESS_11B;
1804                 else if ((cckrates_included(rate, ratelen)) == true)
1805                         network_type |= WIRELESS_11BG;
1806                 else
1807                         network_type |= WIRELESS_11G;
1808         }
1809
1810         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1811
1812         SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1813                                                                                                         /* change this value if having IOT issues. */
1814
1815         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1816
1817         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE,  (u8 *)&(pmlmeext->cur_wireless_mode));
1818
1819         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1820                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1821          else
1822                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1823 }
1824
1825 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1826 {
1827         if (IsSupportedTxCCK(wireless_mode)) {
1828                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1829                 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1830                 psta->bssratelen = 4;
1831         } else {
1832                 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1833                 psta->bssratelen = 3;
1834         }
1835 }
1836
1837 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1838 {
1839         unsigned int    ie_len;
1840         struct ndis_80211_var_ie *pIE;
1841         int     supportRateNum = 0;
1842         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1843         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1844
1845         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1846         if (!pIE)
1847                 return _FAIL;
1848
1849         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1850         supportRateNum = ie_len;
1851
1852         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1853         if (pIE)
1854                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1855
1856         return _SUCCESS;
1857 }
1858
1859 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1860 {
1861         struct sta_info *psta;
1862         u16 tid, start_seq, param;
1863         struct recv_reorder_ctrl *preorder_ctrl;
1864         struct sta_priv *pstapriv = &padapter->stapriv;
1865         struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1866         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1867         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1868
1869         psta = rtw_get_stainfo(pstapriv, addr);
1870
1871         if (psta) {
1872                 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4;
1873
1874                 param = le16_to_cpu(preq->BA_para_set);
1875                 tid = (param>>2)&0x0f;
1876
1877                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1878
1879                 #ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ
1880                 preorder_ctrl->indicate_seq = start_seq;
1881                 #ifdef DBG_RX_SEQ
1882                 DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__,
1883                         preorder_ctrl->indicate_seq, start_seq);
1884                 #endif
1885                 #else
1886                 preorder_ctrl->indicate_seq = 0xffff;
1887                 #endif
1888
1889                 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1890         }
1891 }
1892
1893 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1894 {
1895         u8 *pIE;
1896         __le32 *pbuf;
1897
1898         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1899         pbuf = (__le32 *)pIE;
1900
1901         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1902
1903         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1904
1905         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1906 }
1907
1908 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1909 {
1910         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1911 }
1912
1913 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1914 {
1915         int i;
1916         u8 *pIE;
1917         __le32 *pbuf;
1918         u64 tsf = 0;
1919         u32 delay_ms;
1920         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1921
1922         pmlmeext->bcn_cnt++;
1923
1924         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1925         pbuf = (__le32 *)pIE;
1926
1927         tsf = le32_to_cpu(*(pbuf+1));
1928         tsf = tsf << 32;
1929         tsf |= le32_to_cpu(*pbuf);
1930
1931         /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */
1932
1933         /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1934         /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1935         delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1936         delay_ms = delay_ms/1000;
1937
1938         if (delay_ms >= 8)
1939                 pmlmeext->bcn_delay_cnt[8]++;
1940                 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1941         else
1942                 pmlmeext->bcn_delay_cnt[delay_ms]++;
1943                 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1944
1945 /*
1946         DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
1947
1948
1949         for (i = 0; i<9; i++)
1950         {
1951                 DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
1952                         pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1953         }
1954 */
1955
1956         /* dump for  adaptive_early_32k */
1957         if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1958                 u8 ratio_20_delay, ratio_80_delay;
1959                 u8 DrvBcnEarly, DrvBcnTimeOut;
1960
1961                 ratio_20_delay = 0;
1962                 ratio_80_delay = 0;
1963                 DrvBcnEarly = 0xff;
1964                 DrvBcnTimeOut = 0xff;
1965
1966                 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
1967
1968                 for (i = 0; i < 9; i++) {
1969                         pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1970
1971                         DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
1972                                 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]);
1973
1974                         ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1975                         ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1976
1977                         if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) {
1978                                 DrvBcnEarly = i;
1979                                 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly);
1980                         }
1981
1982                         if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) {
1983                                 DrvBcnTimeOut = i;
1984                                 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut);
1985                         }
1986
1987                         /* reset adaptive_early_32k cnt */
1988                         pmlmeext->bcn_delay_cnt[i] = 0;
1989                         pmlmeext->bcn_delay_ratio[i] = 0;
1990                 }
1991
1992                 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1993                 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1994
1995                 pmlmeext->bcn_cnt = 0;
1996         }
1997 }
1998
1999 void beacon_timing_control(struct adapter *padapter)
2000 {
2001         rtw_hal_bcn_related_reg_setting(padapter);
2002 }
2003
2004 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
2005 {
2006         int i;
2007         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2008         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2009
2010         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
2011                 return;
2012
2013         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
2014                 psta->mac_id = NUM_STA;
2015                 return;
2016         }
2017
2018         spin_lock_bh(&pdvobj->lock);
2019         for (i = 0; i < NUM_STA; i++) {
2020                 if (pdvobj->macid[i] == false) {
2021                         pdvobj->macid[i]  = true;
2022                         break;
2023                 }
2024         }
2025         spin_unlock_bh(&pdvobj->lock);
2026
2027         if (i > (NUM_STA-1)) {
2028                 psta->mac_id = NUM_STA;
2029                 DBG_871X("  no room for more MACIDs\n");
2030         } else {
2031                 psta->mac_id = i;
2032                 DBG_871X("%s = %d\n", __func__, psta->mac_id);
2033         }
2034 }
2035
2036 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
2037 {
2038         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2039         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2040
2041         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
2042                 return;
2043
2044         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
2045                 return;
2046
2047         spin_lock_bh(&pdvobj->lock);
2048         if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
2049                 if (pdvobj->macid[psta->mac_id] == true) {
2050                         DBG_871X("%s = %d\n", __func__, psta->mac_id);
2051                         pdvobj->macid[psta->mac_id] = false;
2052                         psta->mac_id = NUM_STA;
2053                 }
2054         }
2055         spin_unlock_bh(&pdvobj->lock);
2056 }
2057 /* For 8188E RA */
2058 u8 rtw_search_max_mac_id(struct adapter *padapter)
2059 {
2060         u8 max_mac_id = 0;
2061         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
2062         int i;
2063         spin_lock_bh(&pdvobj->lock);
2064         for (i = (NUM_STA-1); i >= 0 ; i--) {
2065                 if (pdvobj->macid[i] == true)
2066                         break;
2067         }
2068         max_mac_id = i;
2069         spin_unlock_bh(&pdvobj->lock);
2070
2071         return max_mac_id;
2072 }
2073
2074 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
2075 {
2076         if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
2077                 return NULL;
2078
2079         return dvobj->padapters;
2080 }
2081
2082 #ifdef CONFIG_GPIO_API
2083 int rtw_get_gpio(struct net_device *netdev, int gpio_num)
2084 {
2085         u8 value;
2086         u8 direction;
2087         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2088         struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter);
2089
2090         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2091
2092         DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate);
2093         LeaveAllPowerSaveModeDirect(adapter);
2094
2095         /* Read GPIO Direction */
2096         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2097
2098         /* According the direction to read register value */
2099         if (direction)
2100                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num;
2101         else
2102                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num;
2103
2104         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2105         DBG_871X("%s direction =%d value =%d\n", __func__, direction, value);
2106
2107         return value;
2108 }
2109 EXPORT_SYMBOL(rtw_get_gpio);
2110
2111 int  rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh)
2112 {
2113         u8 direction = 0;
2114         u8 res = -1;
2115         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2116
2117         /* Check GPIO is 4~7 */
2118         if (gpio_num > 7 || gpio_num < 4) {
2119                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2120                 return -1;
2121         }
2122
2123         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2124
2125         LeaveAllPowerSaveModeDirect(adapter);
2126
2127         /* Read GPIO direction */
2128         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2129
2130         /* If GPIO is output direction, setting value. */
2131         if (direction) {
2132                 if (isHigh)
2133                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num));
2134                 else
2135                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num));
2136
2137                 DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh);
2138                 res = 0;
2139         } else {
2140                 DBG_871X("%s The gpio is input, not be set!\n", __func__);
2141                 res = -1;
2142         }
2143
2144         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2145         return res;
2146 }
2147 EXPORT_SYMBOL(rtw_set_gpio_output_value);
2148
2149 int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput)
2150 {
2151         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2152
2153         if (gpio_num > 7 || gpio_num < 4) {
2154                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2155                 return -1;
2156         }
2157
2158         DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput);
2159
2160         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2161
2162         LeaveAllPowerSaveModeDirect(adapter);
2163
2164         if (isOutput)
2165                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num));
2166         else
2167                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num));
2168
2169         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2170
2171         return 0;
2172 }
2173 EXPORT_SYMBOL(rtw_config_gpio);
2174 #endif
2175
2176 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
2177 void rtw_get_current_ip_address(struct adapter *padapter, u8 *pcurrentip)
2178 {
2179         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2180         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2181         struct in_device *my_ip_ptr = padapter->pnetdev->ip_ptr;
2182         u8 ipaddress[4];
2183
2184         if ((pmlmeinfo->state & WIFI_FW_LINKING_STATE) ||
2185                         pmlmeinfo->state & WIFI_FW_AP_STATE) {
2186                 if (my_ip_ptr) {
2187                         struct in_ifaddr *my_ifa_list = my_ip_ptr->ifa_list;
2188                         if (my_ifa_list) {
2189                                 ipaddress[0] = my_ifa_list->ifa_address & 0xFF;
2190                                 ipaddress[1] = (my_ifa_list->ifa_address >> 8) & 0xFF;
2191                                 ipaddress[2] = (my_ifa_list->ifa_address >> 16) & 0xFF;
2192                                 ipaddress[3] = my_ifa_list->ifa_address >> 24;
2193                                 DBG_871X("%s: %d.%d.%d.%d ==========\n", __func__,
2194                                                 ipaddress[0], ipaddress[1], ipaddress[2], ipaddress[3]);
2195                                 memcpy(pcurrentip, ipaddress, 4);
2196                         }
2197                 }
2198         }
2199 }
2200 #endif
2201 #ifdef CONFIG_WOWLAN
2202 void rtw_get_sec_iv(struct adapter *padapter, u8 *pcur_dot11txpn, u8 *StaAddr)
2203 {
2204         struct sta_info         *psta;
2205         struct security_priv *psecpriv = &padapter->securitypriv;
2206
2207         memset(pcur_dot11txpn, 0, 8);
2208         if (NULL == StaAddr)
2209                 return;
2210         psta = rtw_get_stainfo(&padapter->stapriv, StaAddr);
2211         DBG_871X("%s(): StaAddr: %02x %02x %02x %02x %02x %02x\n",
2212                 __func__, StaAddr[0], StaAddr[1], StaAddr[2],
2213                 StaAddr[3], StaAddr[4], StaAddr[5]);
2214
2215         if (psta) {
2216                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ && psta->dot11txpn.val > 0)
2217                         psta->dot11txpn.val--;
2218                 AES_IV(pcur_dot11txpn, psta->dot11txpn, 0);
2219
2220                 DBG_871X("%s(): CurrentIV: %02x %02x %02x %02x %02x %02x %02x %02x\n"
2221                 , __func__, pcur_dot11txpn[0], pcur_dot11txpn[1],
2222                 pcur_dot11txpn[2], pcur_dot11txpn[3], pcur_dot11txpn[4],
2223                 pcur_dot11txpn[5], pcur_dot11txpn[6], pcur_dot11txpn[7]);
2224         }
2225 }
2226 void rtw_set_sec_pn(struct adapter *padapter)
2227 {
2228                 struct sta_info         *psta;
2229                 struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
2230                 struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
2231                 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
2232                 struct security_priv *psecpriv = &padapter->securitypriv;
2233
2234                 psta = rtw_get_stainfo(&padapter->stapriv,
2235                 get_my_bssid(&pmlmeinfo->network));
2236
2237                 if (psta) {
2238                         if (pwrpriv->wowlan_fw_iv > psta->dot11txpn.val) {
2239                                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_)
2240                                         psta->dot11txpn.val = pwrpriv->wowlan_fw_iv + 2;
2241                         } else {
2242                                 DBG_871X("%s(): FW IV is smaller than driver\n", __func__);
2243                                 psta->dot11txpn.val += 2;
2244                         }
2245                         DBG_871X("%s: dot11txpn: 0x%016llx\n", __func__, psta->dot11txpn.val);
2246                 }
2247 }
2248 #endif /* CONFIG_WOWLAN */
2249
2250 #ifdef CONFIG_PNO_SUPPORT
2251 #define CSCAN_TLV_TYPE_SSID_IE  'S'
2252 #define CIPHER_IE "key_mgmt ="
2253 #define CIPHER_NONE "NONE"
2254 #define CIPHER_WPA_PSK "WPA-PSK"
2255 #define CIPHER_WPA_EAP "WPA-EAP IEEE8021X"
2256
2257 #endif /* CONFIG_PNO_SUPPORT */