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 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
  58 {
  59         u8 raid, cur_rf_type, rf_type = RF_1T1R;
  60
  61         rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
  62
  63         if (cur_rf_type == RF_1T1R) {
  64                 rf_type = RF_1T1R;
  65         } else if (IsSupportedVHT(psta->wireless_mode)) {
  66                 if (psta->ra_mask & 0xffc00000)
  67                         rf_type = RF_2T2R;
  68         } else if (IsSupportedHT(psta->wireless_mode)) {
  69                 if (psta->ra_mask & 0xfff00000)
  70                         rf_type = RF_2T2R;
  71         }
  72
  73         switch (psta->wireless_mode) {
  74         case WIRELESS_11B:
  75                 raid = RATEID_IDX_B;
  76                 break;
  77         case WIRELESS_11A:
  78         case WIRELESS_11G:
  79                 raid = RATEID_IDX_G;
  80                 break;
  81         case WIRELESS_11BG:
  82                 raid = RATEID_IDX_BG;
  83                 break;
  84         case WIRELESS_11_24N:
  85         case WIRELESS_11_5N:
  86         case WIRELESS_11A_5N:
  87         case WIRELESS_11G_24N:
  88                 if (rf_type == RF_2T2R)
  89                         raid = RATEID_IDX_GN_N2SS;
  90                 else
  91                         raid = RATEID_IDX_GN_N1SS;
  92                 break;
  93         case WIRELESS_11B_24N:
  94         case WIRELESS_11BG_24N:
  95                 if (psta->bw_mode == CHANNEL_WIDTH_20) {
  96                         if (rf_type == RF_2T2R)
  97                                 raid = RATEID_IDX_BGN_20M_2SS_BN;
  98                         else
  99                                 raid = RATEID_IDX_BGN_20M_1SS_BN;
 100                 } else {
 101                         if (rf_type == RF_2T2R)
 102                                 raid = RATEID_IDX_BGN_40M_2SS;
 103                         else
 104                                 raid = RATEID_IDX_BGN_40M_1SS;
 105                 }
 106                 break;
 107         default:
 108                 raid = RATEID_IDX_BGN_40M_2SS;
 109                 break;
 110         }
 111         return raid;
 112 }
 113
 114 unsigned char ratetbl_val_2wifirate(unsigned char rate);
 115 unsigned char ratetbl_val_2wifirate(unsigned char rate)
 116 {
 117         switch (rate & 0x7f) {
 118         case 0:
 119                 return IEEE80211_CCK_RATE_1MB;
 120         case 1:
 121                 return IEEE80211_CCK_RATE_2MB;
 122         case 2:
 123                 return IEEE80211_CCK_RATE_5MB;
 124         case 3:
 125                 return IEEE80211_CCK_RATE_11MB;
 126         case 4:
 127                 return IEEE80211_OFDM_RATE_6MB;
 128         case 5:
 129                 return IEEE80211_OFDM_RATE_9MB;
 130         case 6:
 131                 return IEEE80211_OFDM_RATE_12MB;
 132         case 7:
 133                 return IEEE80211_OFDM_RATE_18MB;
 134         case 8:
 135                 return IEEE80211_OFDM_RATE_24MB;
 136         case 9:
 137                 return IEEE80211_OFDM_RATE_36MB;
 138         case 10:
 139                 return IEEE80211_OFDM_RATE_48MB;
 140         case 11:
 141                 return IEEE80211_OFDM_RATE_54MB;
 142         default:
 143                 return 0;
 144         }
 145 }
 146
 147 int is_basicrate(struct adapter *padapter, unsigned char rate);
 148 int is_basicrate(struct adapter *padapter, unsigned char rate)
 149 {
 150         int i;
 151         unsigned char val;
 152         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 153
 154         for (i = 0; i < NumRates; i++) {
 155                 val = pmlmeext->basicrate[i];
 156
 157                 if ((val != 0xff) && (val != 0xfe))
 158                         if (rate == ratetbl_val_2wifirate(val))
 159                                 return true;
 160         }
 161
 162         return false;
 163 }
 164
 165 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
 166 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
 167 {
 168         int i;
 169         unsigned char rate;
 170         unsigned int    len = 0;
 171         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 172
 173         for (i = 0; i < NumRates; i++) {
 174                 rate = pmlmeext->datarate[i];
 175
 176                 switch (rate) {
 177                 case 0xff:
 178                         return len;
 179
 180                 case 0xfe:
 181                         continue;
 182
 183                 default:
 184                         rate = ratetbl_val_2wifirate(rate);
 185
 186                         if (is_basicrate(padapter, rate) == true)
 187                                 rate |= IEEE80211_BASIC_RATE_MASK;
 188
 189                         rateset[len] = rate;
 190                         len++;
 191                         break;
 192                 }
 193         }
 194         return len;
 195 }
 196
 197 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
 198 {
 199         unsigned char supportedrates[NumRates];
 200
 201         memset(supportedrates, 0, NumRates);
 202         *bssrate_len = ratetbl2rateset(padapter, supportedrates);
 203         memcpy(pbssrate, supportedrates, *bssrate_len);
 204 }
 205
 206 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
 207 {
 208         u8 mcs_rate_1r = (u8)(mask&0xff);
 209         u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
 210         u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
 211         u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
 212
 213         mcs_set[0] &= mcs_rate_1r;
 214         mcs_set[1] &= mcs_rate_2r;
 215         mcs_set[2] &= mcs_rate_3r;
 216         mcs_set[3] &= mcs_rate_4r;
 217 }
 218
 219 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
 220 {
 221         u8 i;
 222         u8 rate;
 223
 224         /*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
 225         for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
 226                 rate = mBratesOS[i] & 0x7f;
 227                 switch (rate) {
 228                 case IEEE80211_CCK_RATE_1MB:
 229                 case IEEE80211_CCK_RATE_2MB:
 230                 case IEEE80211_CCK_RATE_5MB:
 231                 case IEEE80211_CCK_RATE_11MB:
 232                 case IEEE80211_OFDM_RATE_6MB:
 233                 case IEEE80211_OFDM_RATE_12MB:
 234                 case IEEE80211_OFDM_RATE_24MB:
 235                         mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
 236                         break;
 237                 }
 238         }
 239 }
 240
 241 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
 242 {
 243         u8 i;
 244         u8 rate;
 245
 246         for (i = 0; i < bssratelen; i++) {
 247                 rate = bssrateset[i] & 0x7f;
 248                 switch (rate) {
 249                 case IEEE80211_CCK_RATE_1MB:
 250                 case IEEE80211_CCK_RATE_2MB:
 251                 case IEEE80211_CCK_RATE_5MB:
 252                 case IEEE80211_CCK_RATE_11MB:
 253                         bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
 254                         break;
 255                 }
 256         }
 257 }
 258
 259 void Save_DM_Func_Flag(struct adapter *padapter)
 260 {
 261         u8 bSaveFlag = true;
 262         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 263 }
 264
 265 void Restore_DM_Func_Flag(struct adapter *padapter)
 266 {
 267         u8 bSaveFlag = false;
 268         rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
 269 }
 270
 271 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
 272 {
 273         if (enable == true)
 274                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
 275         else
 276                 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
 277 }
 278
 279 void Set_MSR(struct adapter *padapter, u8 type)
 280 {
 281         rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
 282 }
 283
 284 inline u8 rtw_get_oper_ch(struct adapter *adapter)
 285 {
 286         return adapter_to_dvobj(adapter)->oper_channel;
 287 }
 288
 289 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
 290 {
 291 #ifdef DBG_CH_SWITCH
 292         const int len = 128;
 293         char msg[128] = {0};
 294         int cnt = 0;
 295         int i = 0;
 296 #endif  /* DBG_CH_SWITCH */
 297         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 298
 299         if (dvobj->oper_channel != ch) {
 300                 dvobj->on_oper_ch_time = jiffies;
 301
 302 #ifdef DBG_CH_SWITCH
 303                 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
 304
 305                 for (i = 0; i < dvobj->iface_nums; i++) {
 306                         struct adapter *iface = dvobj->padapters[i];
 307                         cnt += scnprintf(msg+cnt, len-cnt, " ["ADPT_FMT":", ADPT_ARG(iface));
 308                         if (iface->mlmeextpriv.cur_channel == ch)
 309                                 cnt += scnprintf(msg+cnt, len-cnt, "C");
 310                         else
 311                                 cnt += scnprintf(msg+cnt, len-cnt, "_");
 312                         if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
 313                                 cnt += scnprintf(msg+cnt, len-cnt, "L");
 314                         else
 315                                 cnt += scnprintf(msg+cnt, len-cnt, "_");
 316                         cnt += scnprintf(msg+cnt, len-cnt, "]");
 317                 }
 318
 319                 DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg);
 320 #endif /* DBG_CH_SWITCH */
 321         }
 322
 323         dvobj->oper_channel = ch;
 324 }
 325
 326 inline u8 rtw_get_oper_bw(struct adapter *adapter)
 327 {
 328         return adapter_to_dvobj(adapter)->oper_bwmode;
 329 }
 330
 331 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
 332 {
 333         adapter_to_dvobj(adapter)->oper_bwmode = bw;
 334 }
 335
 336 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
 337 {
 338         return adapter_to_dvobj(adapter)->oper_ch_offset;
 339 }
 340
 341 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
 342 {
 343         adapter_to_dvobj(adapter)->oper_ch_offset = offset;
 344 }
 345
 346 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
 347 {
 348         u8 center_ch = channel;
 349
 350         if (chnl_bw == CHANNEL_WIDTH_80) {
 351                 center_ch = 7;
 352         } else if (chnl_bw == CHANNEL_WIDTH_40) {
 353                 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
 354                         center_ch = channel + 2;
 355                 else
 356                         center_ch = channel - 2;
 357         }
 358
 359         return center_ch;
 360 }
 361
 362 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
 363 {
 364         if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
 365                 return adapter_to_dvobj(adapter)->on_oper_ch_time;
 366         else
 367                 return 0;
 368 }
 369
 370 void SelectChannel(struct adapter *padapter, unsigned char channel)
 371 {
 372         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 373                 return;
 374
 375         /* saved channel info */
 376         rtw_set_oper_ch(padapter, channel);
 377
 378         rtw_hal_set_chan(padapter, channel);
 379
 380         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 381 }
 382
 383 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
 384 {
 385         u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 386
 387         if (padapter->bNotifyChannelChange)
 388                 DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
 389
 390         center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
 391
 392         if (bwmode == CHANNEL_WIDTH_80) {
 393                 if (center_ch > channel)
 394                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER;
 395                 else if (center_ch < channel)
 396                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER;
 397                 else
 398                         chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 399         }
 400
 401         /* set Channel */
 402         if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
 403                 return;
 404
 405         /* saved channel/bw info */
 406         rtw_set_oper_ch(padapter, channel);
 407         rtw_set_oper_bw(padapter, bwmode);
 408         rtw_set_oper_choffset(padapter, channel_offset);
 409
 410         rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /*  set center channel */
 411
 412         mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
 413 }
 414
 415 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
 416 {
 417         return pnetwork->MacAddress;
 418 }
 419
 420 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
 421 {
 422         __le16 val;
 423         memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
 424
 425         return le16_to_cpu(val);
 426 }
 427
 428 int is_client_associated_to_ap(struct adapter *padapter)
 429 {
 430         struct mlme_ext_priv *pmlmeext;
 431         struct mlme_ext_info *pmlmeinfo;
 432
 433         if (!padapter)
 434                 return _FAIL;
 435
 436         pmlmeext = &padapter->mlmeextpriv;
 437         pmlmeinfo = &(pmlmeext->mlmext_info);
 438
 439         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
 440                 return true;
 441         else
 442                 return _FAIL;
 443 }
 444
 445 int is_client_associated_to_ibss(struct adapter *padapter)
 446 {
 447         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 448         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 449
 450         if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 451                 return true;
 452         else
 453                 return _FAIL;
 454 }
 455
 456 int is_IBSS_empty(struct adapter *padapter)
 457 {
 458         unsigned int i;
 459         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 460         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 461
 462         for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
 463                 if (pmlmeinfo->FW_sta_info[i].status == 1)
 464                         return _FAIL;
 465         }
 466
 467         return true;
 468 }
 469
 470 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
 471 {
 472         if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
 473                 return WAIT_FOR_BCN_TO_MIN;
 474         else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
 475                 return WAIT_FOR_BCN_TO_MAX;
 476         else
 477                 return bcn_interval << 2;
 478 }
 479
 480 void invalidate_cam_all(struct adapter *padapter)
 481 {
 482         struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
 483         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 484
 485         rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
 486
 487         spin_lock_bh(&cam_ctl->lock);
 488         cam_ctl->bitmap = 0;
 489         memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
 490         spin_unlock_bh(&cam_ctl->lock);
 491 }
 492
 493 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
 494 {
 495         u32 count = 0, cmd;
 496         cmd = CAM_POLLINIG | addr;
 497         rtw_write32(padapter, RWCAM, cmd);
 498
 499         do {
 500                 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
 501                         break;
 502         } while (count++ < 100);
 503
 504         return rtw_read32(padapter, REG_CAMREAD);
 505 }
 506 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
 507 {
 508         u32 j, addr, cmd;
 509         addr = entry << 3;
 510
 511         /* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */
 512         for (j = 0; j < 6; j++) {
 513                 cmd = _ReadCAM(padapter, addr+j);
 514                 /* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */
 515                 if (j > 1) /* get key from cam */
 516                         memcpy(get_key+(j-2)*4, &cmd, 4);
 517         }
 518         /* DBG_8192C("*********************************\n"); */
 519 }
 520
 521 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
 522 {
 523         unsigned int i, val, addr;
 524         int j;
 525         u32 cam_val[2];
 526
 527         addr = entry << 3;
 528
 529         for (j = 5; j >= 0; j--) {
 530                 switch (j) {
 531                 case 0:
 532                         val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
 533                         break;
 534                 case 1:
 535                         val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
 536                         break;
 537                 default:
 538                         i = (j - 2) << 2;
 539                         val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
 540                         break;
 541                 }
 542
 543                 cam_val[0] = val;
 544                 cam_val[1] = addr + (unsigned int)j;
 545
 546                 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
 547         }
 548 }
 549
 550 void _clear_cam_entry(struct adapter *padapter, u8 entry)
 551 {
 552         unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 553         unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 554
 555         _write_cam(padapter, entry, 0, null_sta, null_key);
 556 }
 557
 558 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 559 {
 560         _write_cam(adapter, id, ctrl, mac, key);
 561         write_cam_cache(adapter, id, ctrl, mac, key);
 562 }
 563
 564 inline void clear_cam_entry(struct adapter *adapter, u8 id)
 565 {
 566         _clear_cam_entry(adapter, id);
 567         clear_cam_cache(adapter, id);
 568 }
 569
 570 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
 571 {
 572         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 573         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 574
 575         spin_lock_bh(&cam_ctl->lock);
 576
 577         dvobj->cam_cache[id].ctrl = ctrl;
 578         memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
 579         memcpy(dvobj->cam_cache[id].key, key, 16);
 580
 581         spin_unlock_bh(&cam_ctl->lock);
 582 }
 583
 584 void clear_cam_cache(struct adapter *adapter, u8 id)
 585 {
 586         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 587         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 588
 589         spin_lock_bh(&cam_ctl->lock);
 590
 591         memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
 592
 593         spin_unlock_bh(&cam_ctl->lock);
 594 }
 595
 596 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
 597 {
 598         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 599         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 600         bool ret = false;
 601
 602         if (cam_id >= TOTAL_CAM_ENTRY)
 603                 goto exit;
 604
 605         if (!(cam_ctl->bitmap & BIT(cam_id)))
 606                 goto exit;
 607
 608         ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
 609
 610 exit:
 611         return ret;
 612 }
 613
 614 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 615 {
 616         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 617         int i;
 618         s16 cam_id = -1;
 619
 620         for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
 621                 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
 622                         continue;
 623                 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
 624                         continue;
 625
 626                 cam_id = i;
 627                 break;
 628         }
 629
 630         if (addr)
 631                 DBG_871X(FUNC_ADPT_FMT" addr:"MAC_FMT" kid:%d, return cam_id:%d\n"
 632                          , FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id);
 633         else
 634                 DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n"
 635                          , FUNC_ADPT_ARG(adapter), addr, kid, cam_id);
 636
 637         return cam_id;
 638 }
 639
 640 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
 641 {
 642         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 643         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 644         s16 cam_id = -1;
 645
 646         spin_lock_bh(&cam_ctl->lock);
 647         cam_id = _rtw_camid_search(adapter, addr, kid);
 648         spin_unlock_bh(&cam_ctl->lock);
 649
 650         return cam_id;
 651 }
 652
 653 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
 654 {
 655         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 656         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 657         s16 cam_id = -1;
 658         struct mlme_ext_info *mlmeinfo;
 659
 660         spin_lock_bh(&cam_ctl->lock);
 661
 662         mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
 663
 664         if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
 665                 && !sta) {
 666                 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
 667                 if (kid > 3) {
 668                         DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key with invalid key id:%u\n"
 669                                 , FUNC_ADPT_ARG(adapter), kid);
 670                         rtw_warn_on(1);
 671                         goto bitmap_handle;
 672                 }
 673
 674                 cam_id = kid;
 675         } else {
 676                 int i;
 677                 u8 *addr = sta?sta->hwaddr:NULL;
 678
 679                 if (!sta) {
 680                         if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
 681                                 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
 682                                 goto bitmap_handle;
 683                         }
 684
 685                         addr = get_bssid(&adapter->mlmepriv);
 686                 }
 687
 688                 i = _rtw_camid_search(adapter, addr, kid);
 689                 if (i >= 0) {
 690                         /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
 691                         if (sta || _rtw_camid_is_gk(adapter, i))
 692                                 cam_id = i;
 693                         else
 694                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u the same key id as pairwise key\n"
 695                                         , FUNC_ADPT_ARG(adapter), kid);
 696                         goto bitmap_handle;
 697                 }
 698
 699                 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
 700                         if (!(cam_ctl->bitmap & BIT(i)))
 701                                 break;
 702
 703                 if (i == TOTAL_CAM_ENTRY) {
 704                         if (sta)
 705                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with "MAC_FMT" id:%u no room\n"
 706                                 , FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid);
 707                         else
 708                                 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" group key id:%u no room\n"
 709                                 , FUNC_ADPT_ARG(adapter), kid);
 710                         rtw_warn_on(1);
 711                         goto bitmap_handle;
 712                 }
 713
 714                 cam_id = i;
 715         }
 716
 717 bitmap_handle:
 718         if (cam_id >= 0 && cam_id < 32)
 719                 cam_ctl->bitmap |= BIT(cam_id);
 720
 721         spin_unlock_bh(&cam_ctl->lock);
 722
 723         return cam_id;
 724 }
 725
 726 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
 727 {
 728         struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
 729         struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
 730
 731         spin_lock_bh(&cam_ctl->lock);
 732
 733         if (cam_id < TOTAL_CAM_ENTRY)
 734                 cam_ctl->bitmap &= ~(BIT(cam_id));
 735
 736         spin_unlock_bh(&cam_ctl->lock);
 737 }
 738
 739 int allocate_fw_sta_entry(struct adapter *padapter)
 740 {
 741         unsigned int mac_id;
 742         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 743         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 744
 745         for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
 746                 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
 747                         pmlmeinfo->FW_sta_info[mac_id].status = 1;
 748                         pmlmeinfo->FW_sta_info[mac_id].retry = 0;
 749                         break;
 750                 }
 751         }
 752
 753         return mac_id;
 754 }
 755
 756 void flush_all_cam_entry(struct adapter *padapter)
 757 {
 758         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 759         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 760
 761         invalidate_cam_all(padapter);
 762         /* clear default key related key search setting */
 763         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
 764
 765         memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
 766 }
 767
 768 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 769 {
 770         /* struct registry_priv *pregpriv = &padapter->registrypriv; */
 771         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 772         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 773         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 774
 775         if (pmlmepriv->qospriv.qos_option == 0) {
 776                 pmlmeinfo->WMM_enable = 0;
 777                 return false;
 778         }
 779
 780         if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
 781                 return false;
 782         else
 783                 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
 784
 785         pmlmeinfo->WMM_enable = 1;
 786         return true;
 787 }
 788
 789 void WMMOnAssocRsp(struct adapter *padapter)
 790 {
 791         u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
 792         u8 acm_mask;
 793         u16 TXOP;
 794         u32 acParm, i;
 795         u32 edca[4], inx[4];
 796         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 797         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 798         struct xmit_priv        *pxmitpriv = &padapter->xmitpriv;
 799         struct registry_priv *pregpriv = &padapter->registrypriv;
 800
 801         acm_mask = 0;
 802
 803         if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
 804                 aSifsTime = 16;
 805         else
 806                 aSifsTime = 10;
 807
 808         if (pmlmeinfo->WMM_enable == 0) {
 809                 padapter->mlmepriv.acm_mask = 0;
 810
 811                 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
 812
 813                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
 814                         ECWMin = 4;
 815                         ECWMax = 10;
 816                 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
 817                         ECWMin = 5;
 818                         ECWMax = 10;
 819                 } else {
 820                         ECWMin = 4;
 821                         ECWMax = 10;
 822                 }
 823
 824                 TXOP = 0;
 825                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 826                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 827                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 828                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 829
 830                 ECWMin = 2;
 831                 ECWMax = 3;
 832                 TXOP = 0x2f;
 833                 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 834                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 835         } else {
 836                 edca[0] = edca[1] = edca[2] = edca[3] = 0;
 837
 838                 for (i = 0; i < 4; i++) {
 839                         ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
 840                         ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
 841
 842                         /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
 843                         AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
 844
 845                         ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
 846                         ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
 847                         TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
 848
 849                         acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
 850
 851                         switch (ACI) {
 852                         case 0x0:
 853                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
 854                                 acm_mask |= (ACM ? BIT(1):0);
 855                                 edca[XMIT_BE_QUEUE] = acParm;
 856                                 break;
 857
 858                         case 0x1:
 859                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
 860                                 /* acm_mask |= (ACM? BIT(0):0); */
 861                                 edca[XMIT_BK_QUEUE] = acParm;
 862                                 break;
 863
 864                         case 0x2:
 865                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
 866                                 acm_mask |= (ACM ? BIT(2):0);
 867                                 edca[XMIT_VI_QUEUE] = acParm;
 868                                 break;
 869
 870                         case 0x3:
 871                                 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
 872                                 acm_mask |= (ACM ? BIT(3):0);
 873                                 edca[XMIT_VO_QUEUE] = acParm;
 874                                 break;
 875                         }
 876
 877                         DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm);
 878                 }
 879
 880                 if (padapter->registrypriv.acm_method == 1)
 881                         rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
 882                 else
 883                         padapter->mlmepriv.acm_mask = acm_mask;
 884
 885                 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
 886
 887                 if (pregpriv->wifi_spec == 1) {
 888                         u32 j, tmp, change_inx = false;
 889
 890                         /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
 891                         for (i = 0; i < 4; i++) {
 892                                 for (j = i+1; j < 4; j++) {
 893                                         /* compare CW and AIFS */
 894                                         if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
 895                                                 change_inx = true;
 896                                         } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
 897                                                 /* compare TXOP */
 898                                                 if ((edca[j] >> 16) > (edca[i] >> 16))
 899                                                         change_inx = true;
 900                                         }
 901
 902                                         if (change_inx) {
 903                                                 tmp = edca[i];
 904                                                 edca[i] = edca[j];
 905                                                 edca[j] = tmp;
 906
 907                                                 tmp = inx[i];
 908                                                 inx[i] = inx[j];
 909                                                 inx[j] = tmp;
 910
 911                                                 change_inx = false;
 912                                         }
 913                                 }
 914                         }
 915                 }
 916
 917                 for (i = 0; i < 4; i++) {
 918                         pxmitpriv->wmm_para_seq[i] = inx[i];
 919                         DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
 920                 }
 921         }
 922 }
 923
 924 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
 925 {
 926         unsigned char  new_bwmode;
 927         unsigned char  new_ch_offset;
 928         struct HT_info_element   *pHT_info;
 929         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
 930         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 931         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
 932         struct registry_priv *pregistrypriv = &padapter->registrypriv;
 933         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
 934         u8 cbw40_enable = 0;
 935
 936         if (!pIE)
 937                 return;
 938
 939         if (phtpriv->ht_option == false)
 940                 return;
 941
 942         if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80)
 943                 return;
 944
 945         if (pIE->Length > sizeof(struct HT_info_element))
 946                 return;
 947
 948         pHT_info = (struct HT_info_element *)pIE->data;
 949
 950         if (pmlmeext->cur_channel > 14) {
 951                 if ((pregistrypriv->bw_mode & 0xf0) > 0)
 952                         cbw40_enable = 1;
 953         } else
 954                 if ((pregistrypriv->bw_mode & 0x0f) > 0)
 955                         cbw40_enable = 1;
 956
 957         if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
 958                 new_bwmode = CHANNEL_WIDTH_40;
 959
 960                 switch (pHT_info->infos[0] & 0x3) {
 961                 case 1:
 962                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
 963                         break;
 964
 965                 case 3:
 966                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
 967                         break;
 968
 969                 default:
 970                         new_bwmode = CHANNEL_WIDTH_20;
 971                         new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 972                         break;
 973                 }
 974         } else {
 975                 new_bwmode = CHANNEL_WIDTH_20;
 976                 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
 977         }
 978
 979         if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
 980                 pmlmeinfo->bwmode_updated = true;
 981
 982                 pmlmeext->cur_bwmode = new_bwmode;
 983                 pmlmeext->cur_ch_offset = new_ch_offset;
 984
 985                 /* update HT info also */
 986                 HT_info_handler(padapter, pIE);
 987         } else
 988                 pmlmeinfo->bwmode_updated = false;
 989
 990         if (true == pmlmeinfo->bwmode_updated) {
 991                 struct sta_info *psta;
 992                 struct wlan_bssid_ex    *cur_network = &(pmlmeinfo->network);
 993                 struct sta_priv *pstapriv = &padapter->stapriv;
 994
 995                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
 996
 997                 /* update ap's stainfo */
 998                 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
 999                 if (psta) {
1000                         struct ht_priv *phtpriv_sta = &psta->htpriv;
1001
1002                         if (phtpriv_sta->ht_option) {
1003                                 /*  bwmode */
1004                                 psta->bw_mode = pmlmeext->cur_bwmode;
1005                                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
1006                         } else {
1007                                 psta->bw_mode = CHANNEL_WIDTH_20;
1008                                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
1009                         }
1010
1011                         rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
1012                 }
1013         }
1014 }
1015
1016 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1017 {
1018         unsigned int    i;
1019         u8 rf_type;
1020         u8 max_AMPDU_len, min_MPDU_spacing;
1021         u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
1022         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1023         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1024         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1025         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1026
1027         if (!pIE)
1028                 return;
1029
1030         if (phtpriv->ht_option == false)
1031                 return;
1032
1033         pmlmeinfo->HT_caps_enable = 1;
1034
1035         for (i = 0; i < (pIE->Length); i++) {
1036                 if (i != 2) {
1037                         /*      Commented by Albert 2010/07/12 */
1038                         /*      Got the endian issue here. */
1039                         pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
1040                 } else {
1041                         /* modify from  fw by Thomas 2010/11/17 */
1042                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
1043                                 max_AMPDU_len = (pIE->data[i] & 0x3);
1044                         else
1045                                 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
1046
1047                         if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
1048                                 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
1049                         else
1050                                 min_MPDU_spacing = (pIE->data[i] & 0x1c);
1051
1052                         pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
1053                 }
1054         }
1055         rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1056
1057         /* update the MCS set */
1058         for (i = 0; i < 16; i++)
1059                 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1060
1061         /* update the MCS rates */
1062         switch (rf_type) {
1063         case RF_1T1R:
1064         case RF_1T2R:
1065                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1066                 break;
1067         case RF_2T2R:
1068         default:
1069 #ifdef CONFIG_DISABLE_MCS13TO15
1070                 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
1071                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
1072                 else
1073                         set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1074 #else /* CONFIG_DISABLE_MCS13TO15 */
1075                 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1076 #endif /* CONFIG_DISABLE_MCS13TO15 */
1077         }
1078
1079         if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1080                 /*  Config STBC setting */
1081                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data)) {
1082                         SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1083                         DBG_871X("Enable HT Tx STBC !\n");
1084                 }
1085                 phtpriv->stbc_cap = cur_stbc_cap;
1086         } else {
1087                 /*  Config LDPC Coding Capability */
1088                 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data)) {
1089                         SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1090                         DBG_871X("Enable HT Tx LDPC!\n");
1091                 }
1092                 phtpriv->ldpc_cap = cur_ldpc_cap;
1093
1094                 /*  Config STBC setting */
1095                 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data)) {
1096                         SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1097                         DBG_871X("Enable HT Tx STBC!\n");
1098                 }
1099                 phtpriv->stbc_cap = cur_stbc_cap;
1100         }
1101 }
1102
1103 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1104 {
1105         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1106         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1107         struct mlme_priv        *pmlmepriv = &padapter->mlmepriv;
1108         struct ht_priv          *phtpriv = &pmlmepriv->htpriv;
1109
1110         if (!pIE)
1111                 return;
1112
1113         if (phtpriv->ht_option == false)
1114                 return;
1115
1116         if (pIE->Length > sizeof(struct HT_info_element))
1117                 return;
1118
1119         pmlmeinfo->HT_info_enable = 1;
1120         memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
1121 }
1122
1123 void HTOnAssocRsp(struct adapter *padapter)
1124 {
1125         unsigned char   max_AMPDU_len;
1126         unsigned char   min_MPDU_spacing;
1127         /* struct registry_priv  *pregpriv = &padapter->registrypriv; */
1128         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1129         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1130
1131         DBG_871X("%s\n", __func__);
1132
1133         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1134                 pmlmeinfo->HT_enable = 1;
1135         } else {
1136                 pmlmeinfo->HT_enable = 0;
1137                 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1138                 return;
1139         }
1140
1141         /* handle A-MPDU parameter field */
1142         /*
1143                 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1144                 AMPDU_para [4:2]:Min MPDU Start Spacing
1145         */
1146         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1147
1148         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1149
1150         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1151
1152         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1153 }
1154
1155 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1156 {
1157         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1158         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1159
1160         if (pIE->Length > 1)
1161                 return;
1162
1163         pmlmeinfo->ERP_enable = 1;
1164         memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
1165 }
1166
1167 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1168 {
1169         struct registry_priv  *pregpriv = &padapter->registrypriv;
1170         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1171         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1172
1173         switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1174         case 0: /* off */
1175                 psta->rtsen = 0;
1176                 psta->cts2self = 0;
1177                 break;
1178
1179         case 1: /* on */
1180                 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1181                         psta->rtsen = 1;
1182                         psta->cts2self = 0;
1183                 } else {
1184                         psta->rtsen = 0;
1185                         psta->cts2self = 1;
1186                 }
1187                 break;
1188
1189         case 2: /* auto */
1190         default:
1191                 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1192                         if (pregpriv->vcs_type == 1) {
1193                                 psta->rtsen = 1;
1194                                 psta->cts2self = 0;
1195                         } else {
1196                                 psta->rtsen = 0;
1197                                 psta->cts2self = 1;
1198                         }
1199                 } else {
1200                         psta->rtsen = 0;
1201                         psta->cts2self = 0;
1202                 }
1203                 break;
1204         }
1205 }
1206
1207 void update_ldpc_stbc_cap(struct sta_info *psta)
1208 {
1209         if (psta->htpriv.ht_option) {
1210                 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1211                         psta->ldpc = 1;
1212
1213                 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1214                         psta->stbc = 1;
1215         } else {
1216                 psta->ldpc = 0;
1217                 psta->stbc = 0;
1218         }
1219 }
1220
1221 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1222 {
1223         unsigned int            len;
1224         unsigned char   *p;
1225         unsigned short  val16, subtype;
1226         struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1227         /* u8 wpa_ie[255], rsn_ie[255]; */
1228         u16 wpa_len = 0, rsn_len = 0;
1229         u8 encryp_protocol = 0;
1230         struct wlan_bssid_ex *bssid;
1231         int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1232         unsigned char *pbuf;
1233         u32 wpa_ielen = 0;
1234         u8 *pbssid = GetAddr3Ptr(pframe);
1235         struct HT_info_element *pht_info = NULL;
1236         struct rtw_ieee80211_ht_cap *pht_cap = NULL;
1237         u32 bcn_channel;
1238         unsigned short  ht_cap_info;
1239         unsigned char ht_info_infos_0;
1240         struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1241         int ssid_len;
1242
1243         if (is_client_associated_to_ap(Adapter) == false)
1244                 return true;
1245
1246         len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1247
1248         if (len > MAX_IE_SZ) {
1249                 DBG_871X("%s IE too long for survey event\n", __func__);
1250                 return _FAIL;
1251         }
1252
1253         if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
1254                 DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n" MAC_FMT MAC_FMT,
1255                                 MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress));
1256                 return true;
1257         }
1258
1259         bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1260         if (!bssid) {
1261                 DBG_871X("%s rtw_zmalloc fail !!!\n", __func__);
1262                 return true;
1263         }
1264
1265         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1266                 pmlmepriv->timeBcnInfoChkStart = 0;
1267                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1268         }
1269
1270         subtype = GetFrameSubType(pframe) >> 4;
1271
1272         if (subtype == WIFI_BEACON)
1273                 bssid->Reserved[0] = 1;
1274
1275         bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1276
1277         /* below is to copy the information element */
1278         bssid->IELength = len;
1279         memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
1280
1281         /* check bw and channel offset */
1282         /* parsing HT_CAP_IE */
1283         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1284         if (p && len > 0) {
1285                         pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
1286                         ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1287         } else {
1288                         ht_cap_info = 0;
1289         }
1290         /* parsing HT_INFO_IE */
1291         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1292         if (p && len > 0) {
1293                         pht_info = (struct HT_info_element *)(p + 2);
1294                         ht_info_infos_0 = pht_info->infos[0];
1295         } else {
1296                         ht_info_infos_0 = 0;
1297         }
1298         if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
1299                 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
1300                         DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1301                                                         ht_cap_info, ht_info_infos_0);
1302                         DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
1303                                                         cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
1304                         DBG_871X("%s bw mode change\n", __func__);
1305                         {
1306                                 /* bcn_info_update */
1307                                 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
1308                                 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
1309                                 /* to do : need to check that whether modify related register of BB or not */
1310                         }
1311                         /* goto _mismatch; */
1312         }
1313
1314         /* Checking for channel */
1315         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1316         if (p) {
1317                         bcn_channel = *(p + 2);
1318         } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1319                         rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1320                         if (pht_info) {
1321                                         bcn_channel = pht_info->primary_channel;
1322                         } else { /* we don't find channel IE, so don't check it */
1323                                         /* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */
1324                                         bcn_channel = Adapter->mlmeextpriv.cur_channel;
1325                         }
1326         }
1327         if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
1328                         DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
1329                                                    bcn_channel, Adapter->mlmeextpriv.cur_channel);
1330                         goto _mismatch;
1331         }
1332
1333         /* checking SSID */
1334         ssid_len = 0;
1335         p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1336         if (p) {
1337                 ssid_len = *(p + 1);
1338                 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1339                         ssid_len = 0;
1340         }
1341         memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
1342         bssid->Ssid.SsidLength = ssid_len;
1343
1344         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
1345                                 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
1346                                 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
1347                                 cur_network->network.Ssid.SsidLength));
1348
1349         if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1350                         bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
1351                 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
1352                         DBG_871X("%s(), SSID is not match\n", __func__);
1353                         goto _mismatch;
1354                 }
1355         }
1356
1357         /* check encryption info */
1358         val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1359
1360         if (val16 & BIT(4))
1361                 bssid->Privacy = 1;
1362         else
1363                 bssid->Privacy = 0;
1364
1365         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1366                         ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1367                          __func__, cur_network->network.Privacy, bssid->Privacy));
1368         if (cur_network->network.Privacy != bssid->Privacy) {
1369                 DBG_871X("%s(), privacy is not match\n", __func__);
1370                 goto _mismatch;
1371         }
1372
1373         rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1374
1375         if (rsn_len > 0) {
1376                 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1377         } else if (wpa_len > 0) {
1378                 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1379         } else {
1380                 if (bssid->Privacy)
1381                         encryp_protocol = ENCRYP_PROTOCOL_WEP;
1382         }
1383
1384         if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1385                 DBG_871X("%s(): enctyp is not match\n", __func__);
1386                 goto _mismatch;
1387         }
1388
1389         if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1390                 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1391                 if (pbuf && (wpa_ielen > 0)) {
1392                         if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1393                                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1394                                                 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1395                                                  pairwise_cipher, group_cipher, is_8021x));
1396                         }
1397                 } else {
1398                         pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1399
1400                         if (pbuf && (wpa_ielen > 0)) {
1401                                 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1402                                         RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1403                                                         ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1404                                                          __func__, pairwise_cipher, group_cipher, is_8021x));
1405                                 }
1406                         }
1407                 }
1408
1409                 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1410                                 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1411                 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1412                         DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__,
1413                                         pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1414                                         group_cipher, cur_network->BcnInfo.group_cipher);
1415                         goto _mismatch;
1416                 }
1417
1418                 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1419                         DBG_871X("%s authentication is not match\n", __func__);
1420                         goto _mismatch;
1421                 }
1422         }
1423
1424         kfree(bssid);
1425         return _SUCCESS;
1426
1427 _mismatch:
1428         kfree(bssid);
1429
1430         if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1431                 pmlmepriv->timeBcnInfoChkStart = jiffies;
1432
1433         pmlmepriv->NumOfBcnInfoChkFail++;
1434         DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe));
1435
1436         if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1437                 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1438                 DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail,
1439                         DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart));
1440                 pmlmepriv->timeBcnInfoChkStart = 0;
1441                 pmlmepriv->NumOfBcnInfoChkFail = 0;
1442                 return _FAIL;
1443         }
1444
1445         return _SUCCESS;
1446 }
1447
1448 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1449 {
1450         unsigned int i;
1451         unsigned int len;
1452         struct ndis_80211_var_ie *pIE;
1453
1454         len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1455
1456         for (i = 0; i < len;) {
1457                 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1458
1459                 switch (pIE->ElementID) {
1460                 case _VENDOR_SPECIFIC_IE_:
1461                         /* to update WMM parameter set while receiving beacon */
1462                         if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */
1463                                 if (WMM_param_handler(padapter, pIE))
1464                                         report_wmm_edca_update(padapter);
1465
1466                         break;
1467
1468                 case _HT_EXTRA_INFO_IE_:        /* HT info */
1469                         /* HT_info_handler(padapter, pIE); */
1470                         bwmode_update_check(padapter, pIE);
1471                         break;
1472
1473                 case _ERPINFO_IE_:
1474                         ERP_IE_handler(padapter, pIE);
1475                         VCS_update(padapter, psta);
1476                         break;
1477
1478                 default:
1479                         break;
1480                 }
1481
1482                 i += (pIE->Length + 2);
1483         }
1484 }
1485
1486 unsigned int is_ap_in_tkip(struct adapter *padapter)
1487 {
1488         u32 i;
1489         struct ndis_80211_var_ie *pIE;
1490         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1491         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1492         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1493
1494         if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1495                 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
1496                         pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
1497
1498                         switch (pIE->ElementID) {
1499                         case _VENDOR_SPECIFIC_IE_:
1500                                 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1501                                         return true;
1502
1503                                 break;
1504
1505                         case _RSN_IE_2_:
1506                                 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1507                                         return true;
1508
1509                         default:
1510                                 break;
1511                         }
1512
1513                         i += (pIE->Length + 2);
1514                 }
1515
1516                 return false;
1517         } else
1518                 return false;
1519 }
1520
1521 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1522 {
1523         unsigned char                           bit_offset;
1524         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1525         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1526
1527         if (!(pmlmeinfo->HT_enable))
1528                 return _FAIL;
1529
1530         bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1531
1532         if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1533                 return _SUCCESS;
1534         else
1535                 return _FAIL;
1536 }
1537
1538 unsigned char get_highest_rate_idx(u32 mask)
1539 {
1540         int i;
1541         unsigned char rate_idx = 0;
1542
1543         for (i = 31; i >= 0; i--) {
1544                 if (mask & BIT(i)) {
1545                         rate_idx = i;
1546                         break;
1547                 }
1548         }
1549
1550         return rate_idx;
1551 }
1552
1553 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1554 {
1555         rtw_hal_update_ra_mask(psta, 0);
1556 }
1557
1558 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1559 {
1560         /* rate adaptive */
1561         Update_RA_Entry(padapter, psta);
1562 }
1563
1564 unsigned char check_assoc_AP(u8 *pframe, uint len)
1565 {
1566         unsigned int    i;
1567         struct ndis_80211_var_ie *pIE;
1568
1569         for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1570                 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1571
1572                 switch (pIE->ElementID) {
1573                 case _VENDOR_SPECIFIC_IE_:
1574                         if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1575                                 DBG_871X("link to Artheros AP\n");
1576                                 return HT_IOT_PEER_ATHEROS;
1577                         } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3))
1578                                                 || (!memcmp(pIE->data, BROADCOM_OUI2, 3))
1579                                                 || (!memcmp(pIE->data, BROADCOM_OUI3, 3))) {
1580                                 DBG_871X("link to Broadcom AP\n");
1581                                 return HT_IOT_PEER_BROADCOM;
1582                         } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1583                                 DBG_871X("link to Marvell AP\n");
1584                                 return HT_IOT_PEER_MARVELL;
1585                         } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1586                                 DBG_871X("link to Ralink AP\n");
1587                                 return HT_IOT_PEER_RALINK;
1588                         } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1589                                 DBG_871X("link to Cisco AP\n");
1590                                 return HT_IOT_PEER_CISCO;
1591                         } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1592                                 u32 Vender = HT_IOT_PEER_REALTEK;
1593
1594                                 if (pIE->Length >= 5) {
1595                                         if (pIE->data[4] == 1)
1596                                                 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1597                                                 /*      bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1598                                                 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1599                                                         /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1600                                                         Vender = HT_IOT_PEER_REALTEK_92SE;
1601
1602                                         if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1603                                                 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1604
1605                                         if (pIE->data[4] == 2) {
1606                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT) {
1607                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1608                                                         DBG_871X("link to Realtek JAGUAR_BCUTAP\n");
1609                                                 }
1610                                                 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) {
1611                                                         Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1612                                                         DBG_871X("link to Realtek JAGUAR_CCUTAP\n");
1613                                                 }
1614                                         }
1615                                 }
1616
1617                                 DBG_871X("link to Realtek AP\n");
1618                                 return Vender;
1619                         } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1620                                 DBG_871X("link to Airgo Cap\n");
1621                                 return HT_IOT_PEER_AIRGO;
1622                         } else
1623                                 break;
1624
1625                 default:
1626                         break;
1627                 }
1628
1629                 i += (pIE->Length + 2);
1630         }
1631
1632         DBG_871X("link to new AP\n");
1633         return HT_IOT_PEER_UNKNOWN;
1634 }
1635
1636 void update_IOT_info(struct adapter *padapter)
1637 {
1638         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1639         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1640
1641         switch (pmlmeinfo->assoc_AP_vendor) {
1642         case HT_IOT_PEER_MARVELL:
1643                 pmlmeinfo->turboMode_cts2self = 1;
1644                 pmlmeinfo->turboMode_rtsen = 0;
1645                 break;
1646
1647         case HT_IOT_PEER_RALINK:
1648                 pmlmeinfo->turboMode_cts2self = 0;
1649                 pmlmeinfo->turboMode_rtsen = 1;
1650                 /* disable high power */
1651                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1652                 break;
1653         case HT_IOT_PEER_REALTEK:
1654                 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1655                 /* rtw_write16(padapter, 0x546, 0x01c0); */
1656                 /* disable high power */
1657                 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1658                 break;
1659         default:
1660                 pmlmeinfo->turboMode_cts2self = 0;
1661                 pmlmeinfo->turboMode_rtsen = 1;
1662                 break;
1663         }
1664 }
1665
1666 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1667 {
1668         struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1669         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1670         bool            ShortPreamble;
1671
1672         /*  Check preamble mode, 2005.01.06, by rcnjko. */
1673         /*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1674         /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1675         {
1676                 if (updateCap & cShortPreamble) {
1677                         /*  Short Preamble */
1678                         if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1679                                 ShortPreamble = true;
1680                                 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1681                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1682                         }
1683                 } else {
1684                         /*  Long Preamble */
1685                         if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1686                                 ShortPreamble = false;
1687                                 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1688                                 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1689                         }
1690                 }
1691         }
1692
1693         if (updateCap & cIBSS)
1694                 /* Filen: See 802.11-2007 p.91 */
1695                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1696         else {
1697                 /* Filen: See 802.11-2007 p.90 */
1698                 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC))
1699                         pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1700                 else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1701                         if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1702                                 /*  Short Slot Time */
1703                                 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1704                         else
1705                                 /*  Long Slot Time */
1706                                 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1707                 } else
1708                         /* B Mode */
1709                         pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1710         }
1711
1712         rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1713 }
1714
1715 void update_wireless_mode(struct adapter *padapter)
1716 {
1717         int network_type = 0;
1718         u32 SIFS_Timer;
1719         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1720         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1721         struct wlan_bssid_ex            *cur_network = &(pmlmeinfo->network);
1722         unsigned char           *rate = cur_network->SupportedRates;
1723
1724         if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1725                 pmlmeinfo->HT_enable = 1;
1726
1727         if (pmlmeinfo->VHT_enable)
1728                 network_type = WIRELESS_11AC;
1729         else if (pmlmeinfo->HT_enable)
1730                 network_type = WIRELESS_11_24N;
1731
1732         if (rtw_is_cckratesonly_included(rate))
1733                 network_type |= WIRELESS_11B;
1734         else if (rtw_is_cckrates_included(rate))
1735                 network_type |= WIRELESS_11BG;
1736         else
1737                 network_type |= WIRELESS_11G;
1738
1739         pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1740
1741         SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1742                                                                                                         /* change this value if having IOT issues. */
1743
1744         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1745
1746         padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE,  (u8 *)&(pmlmeext->cur_wireless_mode));
1747
1748         if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1749                 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1750          else
1751                 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1752 }
1753
1754 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1755 {
1756         if (IsSupportedTxCCK(wireless_mode)) {
1757                 /*  Only B, B/G, and B/G/N AP could use CCK rate */
1758                 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1759                 psta->bssratelen = 4;
1760         } else {
1761                 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1762                 psta->bssratelen = 3;
1763         }
1764 }
1765
1766 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1767 {
1768         unsigned int    ie_len;
1769         struct ndis_80211_var_ie *pIE;
1770         int     supportRateNum = 0;
1771         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1772         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1773
1774         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1775         if (!pIE)
1776                 return _FAIL;
1777         if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1778                 return _FAIL;
1779
1780         memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1781         supportRateNum = ie_len;
1782
1783         pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1784         if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1785                 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1786
1787         return _SUCCESS;
1788 }
1789
1790 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1791 {
1792         struct sta_info *psta;
1793         u16 tid, start_seq, param;
1794         struct recv_reorder_ctrl *preorder_ctrl;
1795         struct sta_priv *pstapriv = &padapter->stapriv;
1796         struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1797         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1798         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1799
1800         psta = rtw_get_stainfo(pstapriv, addr);
1801
1802         if (psta) {
1803                 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4;
1804
1805                 param = le16_to_cpu(preq->BA_para_set);
1806                 tid = (param>>2)&0x0f;
1807
1808                 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1809
1810                 #ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ
1811                 preorder_ctrl->indicate_seq = start_seq;
1812                 #ifdef DBG_RX_SEQ
1813                 DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__,
1814                         preorder_ctrl->indicate_seq, start_seq);
1815                 #endif
1816                 #else
1817                 preorder_ctrl->indicate_seq = 0xffff;
1818                 #endif
1819
1820                 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1821         }
1822 }
1823
1824 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1825 {
1826         u8 *pIE;
1827         __le32 *pbuf;
1828
1829         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1830         pbuf = (__le32 *)pIE;
1831
1832         pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1833
1834         pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1835
1836         pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1837 }
1838
1839 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1840 {
1841         rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1842 }
1843
1844 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1845 {
1846         int i;
1847         u8 *pIE;
1848         __le32 *pbuf;
1849         u64 tsf = 0;
1850         u32 delay_ms;
1851         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1852
1853         pmlmeext->bcn_cnt++;
1854
1855         pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1856         pbuf = (__le32 *)pIE;
1857
1858         tsf = le32_to_cpu(*(pbuf+1));
1859         tsf = tsf << 32;
1860         tsf |= le32_to_cpu(*pbuf);
1861
1862         /* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */
1863
1864         /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1865         /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1866         delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1867         delay_ms = delay_ms/1000;
1868
1869         if (delay_ms >= 8)
1870                 pmlmeext->bcn_delay_cnt[8]++;
1871                 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1872         else
1873                 pmlmeext->bcn_delay_cnt[delay_ms]++;
1874                 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1875
1876 /*
1877         DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
1878
1879
1880         for (i = 0; i<9; i++)
1881         {
1882                 DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
1883                         pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1884         }
1885 */
1886
1887         /* dump for  adaptive_early_32k */
1888         if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1889                 u8 ratio_20_delay, ratio_80_delay;
1890                 u8 DrvBcnEarly, DrvBcnTimeOut;
1891
1892                 ratio_20_delay = 0;
1893                 ratio_80_delay = 0;
1894                 DrvBcnEarly = 0xff;
1895                 DrvBcnTimeOut = 0xff;
1896
1897                 DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
1898
1899                 for (i = 0; i < 9; i++) {
1900                         pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1901
1902                         DBG_871X("%s():bcn_delay_cnt[%d]=%d,  bcn_delay_ratio[%d]=%d\n", __func__, i,
1903                                 pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]);
1904
1905                         ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1906                         ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1907
1908                         if (ratio_20_delay > 20 && DrvBcnEarly == 0xff) {
1909                                 DrvBcnEarly = i;
1910                                 DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly);
1911                         }
1912
1913                         if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) {
1914                                 DrvBcnTimeOut = i;
1915                                 DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut);
1916                         }
1917
1918                         /* reset adaptive_early_32k cnt */
1919                         pmlmeext->bcn_delay_cnt[i] = 0;
1920                         pmlmeext->bcn_delay_ratio[i] = 0;
1921                 }
1922
1923                 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1924                 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1925
1926                 pmlmeext->bcn_cnt = 0;
1927         }
1928 }
1929
1930 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1931 {
1932         int i;
1933         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1934         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1935
1936         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1937                 return;
1938
1939         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1940                 psta->mac_id = NUM_STA;
1941                 return;
1942         }
1943
1944         spin_lock_bh(&pdvobj->lock);
1945         for (i = 0; i < NUM_STA; i++) {
1946                 if (pdvobj->macid[i] == false) {
1947                         pdvobj->macid[i]  = true;
1948                         break;
1949                 }
1950         }
1951         spin_unlock_bh(&pdvobj->lock);
1952
1953         if (i > (NUM_STA-1)) {
1954                 psta->mac_id = NUM_STA;
1955                 DBG_871X("  no room for more MACIDs\n");
1956         } else {
1957                 psta->mac_id = i;
1958                 DBG_871X("%s = %d\n", __func__, psta->mac_id);
1959         }
1960 }
1961
1962 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1963 {
1964         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1965         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1966
1967         if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1968                 return;
1969
1970         if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1971                 return;
1972
1973         spin_lock_bh(&pdvobj->lock);
1974         if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1975                 if (pdvobj->macid[psta->mac_id] == true) {
1976                         DBG_871X("%s = %d\n", __func__, psta->mac_id);
1977                         pdvobj->macid[psta->mac_id] = false;
1978                         psta->mac_id = NUM_STA;
1979                 }
1980         }
1981         spin_unlock_bh(&pdvobj->lock);
1982 }
1983 /* For 8188E RA */
1984 u8 rtw_search_max_mac_id(struct adapter *padapter)
1985 {
1986         u8 max_mac_id = 0;
1987         struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1988         int i;
1989         spin_lock_bh(&pdvobj->lock);
1990         for (i = (NUM_STA-1); i >= 0 ; i--) {
1991                 if (pdvobj->macid[i] == true)
1992                         break;
1993         }
1994         max_mac_id = i;
1995         spin_unlock_bh(&pdvobj->lock);
1996
1997         return max_mac_id;
1998 }
1999
2000 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
2001 {
2002         if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
2003                 return NULL;
2004
2005         return dvobj->padapters;
2006 }
2007
2008 #ifdef CONFIG_GPIO_API
2009 int rtw_get_gpio(struct net_device *netdev, int gpio_num)
2010 {
2011         u8 value;
2012         u8 direction;
2013         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2014         struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter);
2015
2016         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2017
2018         DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate);
2019         LeaveAllPowerSaveModeDirect(adapter);
2020
2021         /* Read GPIO Direction */
2022         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2023
2024         /* According the direction to read register value */
2025         if (direction)
2026                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num;
2027         else
2028                 value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num;
2029
2030         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2031         DBG_871X("%s direction =%d value =%d\n", __func__, direction, value);
2032
2033         return value;
2034 }
2035 EXPORT_SYMBOL(rtw_get_gpio);
2036
2037 int  rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh)
2038 {
2039         u8 direction = 0;
2040         u8 res = -1;
2041         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2042
2043         /* Check GPIO is 4~7 */
2044         if (gpio_num > 7 || gpio_num < 4) {
2045                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2046                 return -1;
2047         }
2048
2049         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2050
2051         LeaveAllPowerSaveModeDirect(adapter);
2052
2053         /* Read GPIO direction */
2054         direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
2055
2056         /* If GPIO is output direction, setting value. */
2057         if (direction) {
2058                 if (isHigh)
2059                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num));
2060                 else
2061                         rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num));
2062
2063                 DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh);
2064                 res = 0;
2065         } else {
2066                 DBG_871X("%s The gpio is input, not be set!\n", __func__);
2067                 res = -1;
2068         }
2069
2070         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2071         return res;
2072 }
2073 EXPORT_SYMBOL(rtw_set_gpio_output_value);
2074
2075 int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput)
2076 {
2077         struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
2078
2079         if (gpio_num > 7 || gpio_num < 4) {
2080                 DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
2081                 return -1;
2082         }
2083
2084         DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput);
2085
2086         rtw_ps_deny(adapter, PS_DENY_IOCTL);
2087
2088         LeaveAllPowerSaveModeDirect(adapter);
2089
2090         if (isOutput)
2091                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num));
2092         else
2093                 rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num));
2094
2095         rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
2096
2097         return 0;
2098 }
2099 EXPORT_SYMBOL(rtw_config_gpio);
2100 #endif
2101
2102 #if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
2103 void rtw_get_current_ip_address(struct adapter *padapter, u8 *pcurrentip)
2104 {
2105         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2106         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2107         struct in_device *my_ip_ptr = padapter->pnetdev->ip_ptr;
2108         u8 ipaddress[4];
2109
2110         if ((pmlmeinfo->state & WIFI_FW_LINKING_STATE) ||
2111                         pmlmeinfo->state & WIFI_FW_AP_STATE) {
2112                 if (my_ip_ptr) {
2113                         struct in_ifaddr *my_ifa_list = my_ip_ptr->ifa_list;
2114                         if (my_ifa_list) {
2115                                 ipaddress[0] = my_ifa_list->ifa_address & 0xFF;
2116                                 ipaddress[1] = (my_ifa_list->ifa_address >> 8) & 0xFF;
2117                                 ipaddress[2] = (my_ifa_list->ifa_address >> 16) & 0xFF;
2118                                 ipaddress[3] = my_ifa_list->ifa_address >> 24;
2119                                 DBG_871X("%s: %d.%d.%d.%d ==========\n", __func__,
2120                                                 ipaddress[0], ipaddress[1], ipaddress[2], ipaddress[3]);
2121                                 memcpy(pcurrentip, ipaddress, 4);
2122                         }
2123                 }
2124         }
2125 }
2126 #endif
2127 #ifdef CONFIG_WOWLAN
2128 void rtw_get_sec_iv(struct adapter *padapter, u8 *pcur_dot11txpn, u8 *StaAddr)
2129 {
2130         struct sta_info         *psta;
2131         struct security_priv *psecpriv = &padapter->securitypriv;
2132
2133         memset(pcur_dot11txpn, 0, 8);
2134         if (NULL == StaAddr)
2135                 return;
2136         psta = rtw_get_stainfo(&padapter->stapriv, StaAddr);
2137         DBG_871X("%s(): StaAddr: %02x %02x %02x %02x %02x %02x\n",
2138                 __func__, StaAddr[0], StaAddr[1], StaAddr[2],
2139                 StaAddr[3], StaAddr[4], StaAddr[5]);
2140
2141         if (psta) {
2142                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ && psta->dot11txpn.val > 0)
2143                         psta->dot11txpn.val--;
2144                 AES_IV(pcur_dot11txpn, psta->dot11txpn, 0);
2145
2146                 DBG_871X("%s(): CurrentIV: %02x %02x %02x %02x %02x %02x %02x %02x\n"
2147                 , __func__, pcur_dot11txpn[0], pcur_dot11txpn[1],
2148                 pcur_dot11txpn[2], pcur_dot11txpn[3], pcur_dot11txpn[4],
2149                 pcur_dot11txpn[5], pcur_dot11txpn[6], pcur_dot11txpn[7]);
2150         }
2151 }
2152 void rtw_set_sec_pn(struct adapter *padapter)
2153 {
2154                 struct sta_info         *psta;
2155                 struct mlme_ext_priv    *pmlmeext = &(padapter->mlmeextpriv);
2156                 struct mlme_ext_info    *pmlmeinfo = &(pmlmeext->mlmext_info);
2157                 struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
2158                 struct security_priv *psecpriv = &padapter->securitypriv;
2159
2160                 psta = rtw_get_stainfo(&padapter->stapriv,
2161                 get_my_bssid(&pmlmeinfo->network));
2162
2163                 if (psta) {
2164                         if (pwrpriv->wowlan_fw_iv > psta->dot11txpn.val) {
2165                                 if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_)
2166                                         psta->dot11txpn.val = pwrpriv->wowlan_fw_iv + 2;
2167                         } else {
2168                                 DBG_871X("%s(): FW IV is smaller than driver\n", __func__);
2169                                 psta->dot11txpn.val += 2;
2170                         }
2171                         DBG_871X("%s: dot11txpn: 0x%016llx\n", __func__, psta->dot11txpn.val);
2172                 }
2173 }
2174 #endif /* CONFIG_WOWLAN */
2175
2176 #ifdef CONFIG_PNO_SUPPORT
2177 #define CSCAN_TLV_TYPE_SSID_IE  'S'
2178 #define CIPHER_IE "key_mgmt ="
2179 #define CIPHER_NONE "NONE"
2180 #define CIPHER_WPA_PSK "WPA-PSK"
2181 #define CIPHER_WPA_EAP "WPA-EAP IEEE8021X"
2182
2183 #endif /* CONFIG_PNO_SUPPORT */