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