git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2870/sta/sync.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27         Module Name:
  28         sync.c
  29
  30         Abstract:
  31
  32         Revision History:
  33         Who                     When                    What
  34         --------        ----------              ----------------------------------------------
  35         John Chang      2004-09-01      modified for rt2561/2661
  36         Jan Lee         2006-08-01      modified for rt2860 for 802.11n
  37 */
  38 #include "../rt_config.h"
  39
  40 #define ADHOC_ENTRY_BEACON_LOST_TIME    (2*OS_HZ)       // 2 sec
  41
  42 /*
  43         ==========================================================================
  44         Description:
  45                 The sync state machine,
  46         Parameters:
  47                 Sm - pointer to the state machine
  48         Note:
  49                 the state machine looks like the following
  50
  51         ==========================================================================
  52  */
  53 VOID SyncStateMachineInit(
  54         IN PRTMP_ADAPTER pAd,
  55         IN STATE_MACHINE *Sm,
  56         OUT STATE_MACHINE_FUNC Trans[])
  57 {
  58         StateMachineInit(Sm, Trans, MAX_SYNC_STATE, MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, SYNC_IDLE, SYNC_MACHINE_BASE);
  59
  60         // column 1
  61         StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)MlmeScanReqAction);
  62         StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)MlmeJoinReqAction);
  63         StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)MlmeStartReqAction);
  64         StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeacon);
  65         StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)PeerProbeReqAction);
  66
  67         //column 2
  68         StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
  69         StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
  70         StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
  71         StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtJoinAction);
  72         StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_BEACON_TIMEOUT, (STATE_MACHINE_FUNC)BeaconTimeoutAtJoinAction);
  73
  74         // column 3
  75         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
  76         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
  77         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
  78         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
  79         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
  80         StateMachineSetAction(Sm, SCAN_LISTEN, MT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)ScanTimeoutAction);
  81
  82         // timer init
  83         RTMPInitTimer(pAd, &pAd->MlmeAux.BeaconTimer, GET_TIMER_FUNCTION(BeaconTimeout), pAd, FALSE);
  84         RTMPInitTimer(pAd, &pAd->MlmeAux.ScanTimer, GET_TIMER_FUNCTION(ScanTimeout), pAd, FALSE);
  85 }
  86
  87 /*
  88         ==========================================================================
  89         Description:
  90                 Beacon timeout handler, executed in timer thread
  91
  92         IRQL = DISPATCH_LEVEL
  93
  94         ==========================================================================
  95  */
  96 VOID BeaconTimeout(
  97         IN PVOID SystemSpecific1,
  98         IN PVOID FunctionContext,
  99         IN PVOID SystemSpecific2,
 100         IN PVOID SystemSpecific3)
 101 {
 102         RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
 103
 104         DBGPRINT(RT_DEBUG_TRACE,("SYNC - BeaconTimeout\n"));
 105
 106         // Do nothing if the driver is starting halt state.
 107         // This might happen when timer already been fired before cancel timer with mlmehalt
 108         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
 109                 return;
 110
 111 #ifdef DOT11_N_SUPPORT
 112         if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
 113                 )
 114         {
 115                 UCHAR        BBPValue = 0;
 116                 AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
 117                 AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
 118                 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
 119                 BBPValue &= (~0x18);
 120                 BBPValue |= 0x10;
 121                 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
 122                 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
 123         }
 124 #endif // DOT11_N_SUPPORT //
 125
 126         MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_BEACON_TIMEOUT, 0, NULL);
 127         RT28XX_MLME_HANDLER(pAd);
 128 }
 129
 130 /*
 131         ==========================================================================
 132         Description:
 133                 Scan timeout handler, executed in timer thread
 134
 135         IRQL = DISPATCH_LEVEL
 136
 137         ==========================================================================
 138  */
 139 VOID ScanTimeout(
 140         IN PVOID SystemSpecific1,
 141         IN PVOID FunctionContext,
 142         IN PVOID SystemSpecific2,
 143         IN PVOID SystemSpecific3)
 144 {
 145         RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
 146
 147
 148         // Do nothing if the driver is starting halt state.
 149         // This might happen when timer already been fired before cancel timer with mlmehalt
 150         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
 151                 return;
 152
 153         if (MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_SCAN_TIMEOUT, 0, NULL))
 154         {
 155                 RT28XX_MLME_HANDLER(pAd);
 156         }
 157         else
 158         {
 159                 // To prevent SyncMachine.CurrState is SCAN_LISTEN forever.
 160                 pAd->MlmeAux.Channel = 0;
 161                 ScanNextChannel(pAd);
 162                 if (pAd->CommonCfg.bWirelessEvent)
 163                 {
 164                         RTMPSendWirelessEvent(pAd, IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
 165                 }
 166         }
 167 }
 168
 169 /*
 170         ==========================================================================
 171         Description:
 172                 MLME SCAN req state machine procedure
 173         ==========================================================================
 174  */
 175 VOID MlmeScanReqAction(
 176         IN PRTMP_ADAPTER pAd,
 177         IN MLME_QUEUE_ELEM *Elem)
 178 {
 179         UCHAR          Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType, BBPValue = 0;
 180         BOOLEAN        TimerCancelled;
 181         ULONG              Now;
 182         USHORT         Status;
 183         PHEADER_802_11 pHdr80211;
 184         PUCHAR         pOutBuffer = NULL;
 185         NDIS_STATUS    NStatus;
 186
 187         // Check the total scan tries for one single OID command
 188         // If this is the CCX 2.0 Case, skip that!
 189         if ( !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP))
 190         {
 191                 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeScanReqAction before Startup\n"));
 192                 return;
 193         }
 194
 195         // Increase the scan retry counters.
 196         pAd->StaCfg.ScanCnt++;
 197
 198
 199         // first check the parameter sanity
 200         if (MlmeScanReqSanity(pAd,
 201                                                   Elem->Msg,
 202                                                   Elem->MsgLen,
 203                                                   &BssType,
 204                                                   Ssid,
 205                                                   &SsidLen,
 206                                                   &ScanType))
 207         {
 208
 209                 // Check for channel load and noise hist request
 210                 // Suspend MSDU only at scan request, not the last two mentioned
 211                 if ((ScanType == SCAN_CISCO_NOISE) || (ScanType == SCAN_CISCO_CHANNEL_LOAD))
 212                 {
 213                         if (pAd->StaCfg.CCXScanChannel != pAd->CommonCfg.Channel)
 214                                 RTMPSuspendMsduTransmission(pAd);                       // Suspend MSDU transmission here
 215                 }
 216                 else
 217                 {
 218                         // Suspend MSDU transmission here
 219                         RTMPSuspendMsduTransmission(pAd);
 220                 }
 221
 222                 //
 223                 // To prevent data lost.
 224                 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
 225                 // And should send an NULL data with turned PSM bit off to AP, when scan progress done
 226                 //
 227                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
 228                 {
 229                         NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
 230                         if (NStatus     == NDIS_STATUS_SUCCESS)
 231                         {
 232                                 pHdr80211 = (PHEADER_802_11) pOutBuffer;
 233                                 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
 234                                 pHdr80211->Duration = 0;
 235                                 pHdr80211->FC.Type = BTYPE_DATA;
 236                                 pHdr80211->FC.PwrMgmt = PWR_SAVE;
 237
 238                                 // Send using priority queue
 239                                 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
 240                                 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n"));
 241                                 MlmeFreeMemory(pAd, pOutBuffer);
 242                                 RTMPusecDelay(5000);
 243                         }
 244                 }
 245
 246                 NdisGetSystemUpTime(&Now);
 247                 pAd->StaCfg.LastScanTime = Now;
 248                 // reset all the timers
 249                 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
 250                 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
 251
 252                 // record desired BSS parameters
 253                 pAd->MlmeAux.BssType = BssType;
 254                 pAd->MlmeAux.ScanType = ScanType;
 255                 pAd->MlmeAux.SsidLen = SsidLen;
 256         NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
 257                 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
 258
 259                 // start from the first channel
 260                 pAd->MlmeAux.Channel = FirstChannel(pAd);
 261
 262                 // Change the scan channel when dealing with CCX beacon report
 263                 if ((ScanType == SCAN_CISCO_PASSIVE) || (ScanType == SCAN_CISCO_ACTIVE) ||
 264                         (ScanType == SCAN_CISCO_CHANNEL_LOAD) || (ScanType == SCAN_CISCO_NOISE))
 265                         pAd->MlmeAux.Channel = pAd->StaCfg.CCXScanChannel;
 266
 267                 // Let BBP register at 20MHz to do scan
 268                 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
 269                 BBPValue &= (~0x18);
 270                 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
 271                 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
 272                 ScanNextChannel(pAd);
 273         }
 274         else
 275         {
 276                 DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n"));
 277                 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 278                 Status = MLME_INVALID_FORMAT;
 279                 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
 280         }
 281 }
 282
 283 /*
 284         ==========================================================================
 285         Description:
 286                 MLME JOIN req state machine procedure
 287         ==========================================================================
 288  */
 289 VOID MlmeJoinReqAction(
 290         IN PRTMP_ADAPTER pAd,
 291         IN MLME_QUEUE_ELEM *Elem)
 292 {
 293         UCHAR        BBPValue = 0;
 294         BSS_ENTRY    *pBss;
 295         BOOLEAN       TimerCancelled;
 296         HEADER_802_11 Hdr80211;
 297         NDIS_STATUS   NStatus;
 298         ULONG         FrameLen = 0;
 299         PUCHAR        pOutBuffer = NULL;
 300         PUCHAR        pSupRate = NULL;
 301         UCHAR         SupRateLen;
 302         PUCHAR        pExtRate = NULL;
 303         UCHAR         ExtRateLen;
 304         UCHAR         ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C};
 305         UCHAR         ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR);
 306         MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg);
 307
 308         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx));
 309
 310
 311         // reset all the timers
 312         RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
 313         RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
 314
 315         pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx];
 316
 317         // record the desired SSID & BSSID we're waiting for
 318         COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid);
 319
 320         // If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again.
 321         if (pBss->Hidden == 0)
 322         {
 323                 NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen);
 324                 pAd->MlmeAux.SsidLen = pBss->SsidLen;
 325         }
 326
 327         pAd->MlmeAux.BssType = pBss->BssType;
 328         pAd->MlmeAux.Channel = pBss->Channel;
 329         pAd->MlmeAux.CentralChannel = pBss->CentralChannel;
 330
 331 #ifdef EXT_BUILD_CHANNEL_LIST
 332         // Country IE of the AP will be evaluated and will be used.
 333         if ((pAd->StaCfg.IEEE80211dClientMode != Rt802_11_D_None) &&
 334                 (pBss->bHasCountryIE == TRUE))
 335         {
 336                 NdisMoveMemory(&pAd->CommonCfg.CountryCode[0], &pBss->CountryString[0], 2);
 337                 if (pBss->CountryString[2] == 'I')
 338                         pAd->CommonCfg.Geography = IDOR;
 339                 else if (pBss->CountryString[2] == 'O')
 340                         pAd->CommonCfg.Geography = ODOR;
 341                 else
 342                         pAd->CommonCfg.Geography = BOTH;
 343                 BuildChannelListEx(pAd);
 344         }
 345 #endif // EXT_BUILD_CHANNEL_LIST //
 346
 347         // Let BBP register at 20MHz to do scan
 348         RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
 349         BBPValue &= (~0x18);
 350         RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
 351         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
 352
 353         // switch channel and waiting for beacon timer
 354         AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
 355         AsicLockChannel(pAd, pAd->MlmeAux.Channel);
 356         RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT);
 357
 358     do
 359         {
 360                 if (((pAd->CommonCfg.bIEEE80211H == 1) &&
 361             (pAd->MlmeAux.Channel > 14) &&
 362              RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
 363 #ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier
 364              || (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
 365 #endif // CARRIER_DETECTION_SUPPORT //
 366             )
 367                 {
 368                         //
 369                         // We can't send any Probe request frame to meet 802.11h.
 370                         //
 371                         if (pBss->Hidden == 0)
 372                                 break;
 373                 }
 374
 375                 //
 376                 // send probe request
 377                 //
 378                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
 379                 if (NStatus == NDIS_STATUS_SUCCESS)
 380                 {
 381                         if (pAd->MlmeAux.Channel <= 14)
 382                         {
 383                                 pSupRate = pAd->CommonCfg.SupRate;
 384                                 SupRateLen = pAd->CommonCfg.SupRateLen;
 385                                 pExtRate = pAd->CommonCfg.ExtRate;
 386                                 ExtRateLen = pAd->CommonCfg.ExtRateLen;
 387                         }
 388                         else
 389                         {
 390                                 //
 391                                 // Overwrite Support Rate, CCK rate are not allowed
 392                                 //
 393                                 pSupRate = ASupRate;
 394                                 SupRateLen = ASupRateLen;
 395                                 ExtRateLen = 0;
 396                         }
 397
 398                         if (pAd->MlmeAux.BssType == BSS_INFRA)
 399                                 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid);
 400                         else
 401                                 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
 402
 403                         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
 404                                                           sizeof(HEADER_802_11),    &Hdr80211,
 405                                                           1,                        &SsidIe,
 406                                                           1,                        &pAd->MlmeAux.SsidLen,
 407                                                           pAd->MlmeAux.SsidLen,     pAd->MlmeAux.Ssid,
 408                                                           1,                        &SupRateIe,
 409                                                           1,                        &SupRateLen,
 410                                                           SupRateLen,               pSupRate,
 411                                                           END_OF_ARGS);
 412
 413                         if (ExtRateLen)
 414                         {
 415                                 ULONG Tmp;
 416                                 MakeOutgoingFrame(pOutBuffer + FrameLen,            &Tmp,
 417                                                                   1,                                &ExtRateIe,
 418                                                                   1,                                &ExtRateLen,
 419                                                                   ExtRateLen,                       pExtRate,
 420                                                                   END_OF_ARGS);
 421                                 FrameLen += Tmp;
 422                         }
 423
 424
 425                         MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
 426                         MlmeFreeMemory(pAd, pOutBuffer);
 427                 }
 428     } while (FALSE);
 429
 430         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n",
 431                 pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5]));
 432
 433         pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON;
 434 }
 435
 436 /*
 437         ==========================================================================
 438         Description:
 439                 MLME START Request state machine procedure, starting an IBSS
 440         ==========================================================================
 441  */
 442 VOID MlmeStartReqAction(
 443         IN PRTMP_ADAPTER pAd,
 444         IN MLME_QUEUE_ELEM *Elem)
 445 {
 446         UCHAR         Ssid[MAX_LEN_OF_SSID], SsidLen;
 447         BOOLEAN       TimerCancelled;
 448
 449         // New for WPA security suites
 450         UCHAR                                           VarIE[MAX_VIE_LEN];     // Total VIE length = MAX_VIE_LEN - -5
 451         NDIS_802_11_VARIABLE_IEs        *pVIE = NULL;
 452         LARGE_INTEGER                           TimeStamp;
 453         BOOLEAN Privacy;
 454         USHORT Status;
 455
 456         // Init Variable IE structure
 457         pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
 458         pVIE->Length = 0;
 459         TimeStamp.u.LowPart  = 0;
 460         TimeStamp.u.HighPart = 0;
 461
 462         if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, Ssid, &SsidLen))
 463         {
 464                 // reset all the timers
 465                 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
 466                 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
 467
 468                 //
 469                 // Start a new IBSS. All IBSS parameters are decided now....
 470                 //
 471                 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n"));
 472                 pAd->MlmeAux.BssType           = BSS_ADHOC;
 473                 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
 474                 pAd->MlmeAux.SsidLen           = SsidLen;
 475
 476                 // generate a radom number as BSSID
 477                 MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid);
 478                 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n"));
 479
 480                 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
 481                                   (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
 482                                   (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
 483                 pAd->MlmeAux.CapabilityInfo    = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0);
 484                 pAd->MlmeAux.BeaconPeriod      = pAd->CommonCfg.BeaconPeriod;
 485                 pAd->MlmeAux.AtimWin           = pAd->StaCfg.AtimWin;
 486                 pAd->MlmeAux.Channel           = pAd->CommonCfg.Channel;
 487
 488                 pAd->CommonCfg.CentralChannel  = pAd->CommonCfg.Channel;
 489                 pAd->MlmeAux.CentralChannel    = pAd->CommonCfg.CentralChannel;
 490
 491                 pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen;
 492                 NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES);
 493                 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
 494                 pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen;
 495                 NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
 496                 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
 497 #ifdef DOT11_N_SUPPORT
 498                 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
 499                 {
 500                         RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
 501                         pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE);
 502                         // Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here.
 503                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n"));
 504                 }
 505                 else
 506 #endif // DOT11_N_SUPPORT //
 507                 {
 508                         pAd->MlmeAux.HtCapabilityLen = 0;
 509                         pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
 510                 }
 511                 // temporarily not support QOS in IBSS
 512                 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
 513                 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
 514                 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
 515
 516                 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
 517                 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
 518
 519                 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n",
 520                         pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
 521
 522                 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 523                 Status = MLME_SUCCESS;
 524                 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
 525         }
 526         else
 527         {
 528                 DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n"));
 529                 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 530                 Status = MLME_INVALID_FORMAT;
 531                 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
 532         }
 533 }
 534
 535 /*
 536         ==========================================================================
 537         Description:
 538                 peer sends beacon back when scanning
 539         ==========================================================================
 540  */
 541 VOID PeerBeaconAtScanAction(
 542         IN PRTMP_ADAPTER pAd,
 543         IN MLME_QUEUE_ELEM *Elem)
 544 {
 545         UCHAR           Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
 546         UCHAR           Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel,
 547                                         SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe;
 548         CF_PARM         CfParm;
 549         USHORT          BeaconPeriod, AtimWin, CapabilityInfo;
 550         PFRAME_802_11   pFrame;
 551         LARGE_INTEGER   TimeStamp;
 552         UCHAR           Erp;
 553         UCHAR           SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
 554         UCHAR                   SupRateLen, ExtRateLen;
 555         USHORT                  LenVIE;
 556         UCHAR                   CkipFlag;
 557         UCHAR                   AironetCellPowerLimit;
 558         EDCA_PARM       EdcaParm;
 559         QBSS_LOAD_PARM  QbssLoad;
 560         QOS_CAPABILITY_PARM QosCapability;
 561         ULONG                                           RalinkIe;
 562         UCHAR                                           VarIE[MAX_VIE_LEN];             // Total VIE length = MAX_VIE_LEN - -5
 563         NDIS_802_11_VARIABLE_IEs        *pVIE = NULL;
 564         HT_CAPABILITY_IE                HtCapability;
 565         ADD_HT_INFO_IE          AddHtInfo;      // AP might use this additional ht info IE
 566         UCHAR                   HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
 567         UCHAR                   AddHtInfoLen;
 568         UCHAR                   NewExtChannelOffset = 0xff;
 569
 570
 571         // NdisFillMemory(Ssid, MAX_LEN_OF_SSID, 0x00);
 572         pFrame = (PFRAME_802_11) Elem->Msg;
 573         // Init Variable IE structure
 574         pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
 575         pVIE->Length = 0;
 576 #ifdef DOT11_N_SUPPORT
 577     RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
 578         RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
 579 #endif // DOT11_N_SUPPORT //
 580
 581         if (PeerBeaconAndProbeRspSanity(pAd,
 582                                                                 Elem->Msg,
 583                                                                 Elem->MsgLen,
 584                                                                 Elem->Channel,
 585                                                                 Addr2,
 586                                                                 Bssid,
 587                                                                 Ssid,
 588                                                                 &SsidLen,
 589                                                                 &BssType,
 590                                                                 &BeaconPeriod,
 591                                                                 &Channel,
 592                                                                 &NewChannel,
 593                                                                 &TimeStamp,
 594                                                                 &CfParm,
 595                                                                 &AtimWin,
 596                                                                 &CapabilityInfo,
 597                                                                 &Erp,
 598                                                                 &DtimCount,
 599                                                                 &DtimPeriod,
 600                                                                 &BcastFlag,
 601                                                                 &MessageToMe,
 602                                                                 SupRate,
 603                                                                 &SupRateLen,
 604                                                                 ExtRate,
 605                                                                 &ExtRateLen,
 606                                                                 &CkipFlag,
 607                                                                 &AironetCellPowerLimit,
 608                                                                 &EdcaParm,
 609                                                                 &QbssLoad,
 610                                                                 &QosCapability,
 611                                                                 &RalinkIe,
 612                                                                 &HtCapabilityLen,
 613                                                                 &PreNHtCapabilityLen,
 614                                                                 &HtCapability,
 615                                                                 &AddHtInfoLen,
 616                                                                 &AddHtInfo,
 617                                                                 &NewExtChannelOffset,
 618                                                                 &LenVIE,
 619                                                                 pVIE))
 620         {
 621                 ULONG Idx;
 622                 CHAR Rssi = 0;
 623
 624                 Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
 625                 if (Idx != BSS_NOT_FOUND)
 626                         Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;
 627
 628                 Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
 629
 630
 631 #ifdef DOT11_N_SUPPORT
 632                 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
 633                         HtCapabilityLen = SIZE_HT_CAP_IE;
 634 #endif // DOT11_N_SUPPORT //
 635                 if ((pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED) && (Channel == pAd->StaCfg.CCXScanChannel))
 636                 {
 637                         Idx = BssTableSetEntry(pAd, &pAd->StaCfg.CCXBssTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
 638                                                  &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen,ExtRate, ExtRateLen, &HtCapability,
 639                                                  &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
 640                                                  &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
 641                         if (Idx != BSS_NOT_FOUND)
 642                         {
 643                                 NdisMoveMemory(pAd->StaCfg.CCXBssTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
 644                                 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
 645                                 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
 646                                 if (pAd->StaCfg.CCXReqType == MSRN_TYPE_BEACON_REQ)
 647                                         AironetAddBeaconReport(pAd, Idx, Elem);
 648                         }
 649                 }
 650                 else
 651                 {
 652                         Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
 653                                                   &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,  &HtCapability,
 654                                                  &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
 655                                                  &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
 656 #ifdef DOT11_N_SUPPORT
 657 #ifdef DOT11N_DRAFT3
 658                         if (pAd->ChannelList[pAd->CommonCfg.ChannelListIdx].bEffectedChannel == TRUE)
 659                         {
 660                                 UCHAR           RegClass;
 661                                 PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &RegClass);
 662                                 TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, Bssid, &HtCapability, HtCapabilityLen, RegClass, Channel);
 663                         }
 664 #endif // DOT11N_DRAFT3 //
 665 #endif // DOT11_N_SUPPORT //
 666                         if (Idx != BSS_NOT_FOUND)
 667                         {
 668                                 NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
 669                                 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
 670                                 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
 671                         }
 672                 }
 673         }
 674         // sanity check fail, ignored
 675 }
 676
 677 /*
 678         ==========================================================================
 679         Description:
 680                 When waiting joining the (I)BSS, beacon received from external
 681         ==========================================================================
 682  */
 683 VOID PeerBeaconAtJoinAction(
 684         IN PRTMP_ADAPTER pAd,
 685         IN MLME_QUEUE_ELEM *Elem)
 686 {
 687         UCHAR         Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
 688         UCHAR         Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe,
 689                                   DtimCount, DtimPeriod, BcastFlag, NewChannel;
 690         LARGE_INTEGER TimeStamp;
 691         USHORT        BeaconPeriod, AtimWin, CapabilityInfo;
 692         CF_PARM       Cf;
 693         BOOLEAN       TimerCancelled;
 694         UCHAR         Erp;
 695         UCHAR         SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
 696         UCHAR             SupRateLen, ExtRateLen;
 697         UCHAR         CkipFlag;
 698         USHORT            LenVIE;
 699         UCHAR             AironetCellPowerLimit;
 700         EDCA_PARM       EdcaParm;
 701         QBSS_LOAD_PARM  QbssLoad;
 702         QOS_CAPABILITY_PARM QosCapability;
 703         USHORT        Status;
 704         UCHAR                                           VarIE[MAX_VIE_LEN];             // Total VIE length = MAX_VIE_LEN - -5
 705         NDIS_802_11_VARIABLE_IEs        *pVIE = NULL;
 706         ULONG           RalinkIe;
 707         ULONG         Idx;
 708         HT_CAPABILITY_IE                HtCapability;
 709         ADD_HT_INFO_IE          AddHtInfo;      // AP might use this additional ht info IE
 710         UCHAR                           HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
 711         UCHAR                   AddHtInfoLen;
 712         UCHAR                   NewExtChannelOffset = 0xff;
 713 #ifdef DOT11_N_SUPPORT
 714         UCHAR                   CentralChannel;
 715 #endif // DOT11_N_SUPPORT //
 716
 717         // Init Variable IE structure
 718         pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
 719         pVIE->Length = 0;
 720     RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
 721         RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
 722
 723
 724         if (PeerBeaconAndProbeRspSanity(pAd,
 725                                                                 Elem->Msg,
 726                                                                 Elem->MsgLen,
 727                                                                 Elem->Channel,
 728                                                                 Addr2,
 729                                                                 Bssid,
 730                                                                 Ssid,
 731                                                                 &SsidLen,
 732                                                                 &BssType,
 733                                                                 &BeaconPeriod,
 734                                                                 &Channel,
 735                                                                 &NewChannel,
 736                                                                 &TimeStamp,
 737                                                                 &Cf,
 738                                                                 &AtimWin,
 739                                                                 &CapabilityInfo,
 740                                                                 &Erp,
 741                                                                 &DtimCount,
 742                                                                 &DtimPeriod,
 743                                                                 &BcastFlag,
 744                                                                 &MessageToMe,
 745                                                                 SupRate,
 746                                                                 &SupRateLen,
 747                                                                 ExtRate,
 748                                                                 &ExtRateLen,
 749                                                                 &CkipFlag,
 750                                                                 &AironetCellPowerLimit,
 751                                                                 &EdcaParm,
 752                                                                 &QbssLoad,
 753                                                                 &QosCapability,
 754                                                                 &RalinkIe,
 755                                                                 &HtCapabilityLen,
 756                                                                 &PreNHtCapabilityLen,
 757                                                                 &HtCapability,
 758                                                                 &AddHtInfoLen,
 759                                                                 &AddHtInfo,
 760                                                                 &NewExtChannelOffset,
 761                                                                 &LenVIE,
 762                                                                 pVIE))
 763         {
 764                 // Disqualify 11b only adhoc when we are in 11g only adhoc mode
 765                 if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12))
 766                         return;
 767
 768                 // BEACON from desired BSS/IBSS found. We should be able to decide most
 769                 // BSS parameters here.
 770                 // Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION?
 771                 //    Do we need to receover back all parameters belonging to previous BSS?
 772                 // A. Should be not. There's no back-door recover to previous AP. It still need
 773                 //    a new JOIN-AUTH-ASSOC sequence.
 774                 if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid))
 775                 {
 776                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel));
 777                         RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
 778
 779                         // Update RSSI to prevent No signal display when cards first initialized
 780                         pAd->StaCfg.RssiSample.LastRssi0        = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0);
 781                         pAd->StaCfg.RssiSample.LastRssi1        = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1);
 782                         pAd->StaCfg.RssiSample.LastRssi2        = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2);
 783                         pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0;
 784                         pAd->StaCfg.RssiSample.AvgRssi0X8       = pAd->StaCfg.RssiSample.AvgRssi0 << 3;
 785                         pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1;
 786                         pAd->StaCfg.RssiSample.AvgRssi1X8       = pAd->StaCfg.RssiSample.AvgRssi1 << 3;
 787                         pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2;
 788                         pAd->StaCfg.RssiSample.AvgRssi2X8       = pAd->StaCfg.RssiSample.AvgRssi2 << 3;
 789
 790                         //
 791                         // We need to check if SSID only set to any, then we can record the current SSID.
 792                         // Otherwise will cause hidden SSID association failed.
 793                         //
 794                         if (pAd->MlmeAux.SsidLen == 0)
 795                         {
 796                                 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
 797                                 pAd->MlmeAux.SsidLen = SsidLen;
 798                         }
 799                         else
 800                         {
 801                                 Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel);
 802
 803                                 if (Idx != BSS_NOT_FOUND)
 804                                 {
 805                                         //
 806                                         // Multiple SSID case, used correct CapabilityInfo
 807                                         //
 808                                         CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
 809                                 }
 810                         }
 811                         NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN);
 812                         pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
 813                         pAd->MlmeAux.BssType = BssType;
 814                         pAd->MlmeAux.BeaconPeriod = BeaconPeriod;
 815                         pAd->MlmeAux.Channel = Channel;
 816                         pAd->MlmeAux.AtimWin = AtimWin;
 817                         pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod;
 818                         pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration;
 819                         pAd->MlmeAux.APRalinkIe = RalinkIe;
 820
 821                         // Copy AP's supported rate to MlmeAux for creating assoication request
 822                         // Also filter out not supported rate
 823                         pAd->MlmeAux.SupRateLen = SupRateLen;
 824                         NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
 825                         RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
 826                         pAd->MlmeAux.ExtRateLen = ExtRateLen;
 827                         NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
 828                         RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
 829
 830             NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16);
 831 #ifdef DOT11_N_SUPPORT
 832                         pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
 833                         pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen;
 834
 835                         // filter out un-supported ht rates
 836                         if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) && (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
 837                         {
 838                                 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
 839                                 RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE);
 840
 841                                 // StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability
 842                                 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
 843                                 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
 844                                 pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE;
 845                                 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
 846                                 if (PreNHtCapabilityLen > 0)
 847                                         pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE;
 848                                 RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo);
 849                                 // Copy AP Parameter to StaActive.  This is also in LinkUp.
 850                                 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n",
 851                                         pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth));
 852
 853                                 if (AddHtInfoLen > 0)
 854                                 {
 855                                         CentralChannel = AddHtInfo.ControlChan;
 856                                         // Check again the Bandwidth capability of this AP.
 857                                         if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
 858                                         {
 859                                                 CentralChannel = AddHtInfo.ControlChan - 2;
 860                                         }
 861                                         else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
 862                                         {
 863                                                 CentralChannel = AddHtInfo.ControlChan + 2;
 864                                         }
 865
 866                                         // Check Error .
 867                                         if (pAd->MlmeAux.CentralChannel != CentralChannel)
 868                                                 DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel));
 869
 870                                         DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d,  .\n", CentralChannel, AddHtInfo.ControlChan));
 871
 872                                 }
 873
 874                         }
 875                         else
 876 #endif // DOT11_N_SUPPORT //
 877                         {
 878                                 // To prevent error, let legacy AP must have same CentralChannel and Channel.
 879                                 if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0))
 880                                         pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel;
 881
 882                                 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
 883                                 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
 884                                 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
 885                         }
 886
 887                         RTMPUpdateMlmeRate(pAd);
 888
 889                         // copy QOS related information
 890                         if ((pAd->CommonCfg.bWmmCapable)
 891 #ifdef DOT11_N_SUPPORT
 892                                  || (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
 893 #endif // DOT11_N_SUPPORT //
 894                                 )
 895                         {
 896                                 NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM));
 897                                 NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
 898                                 NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
 899                         }
 900                         else
 901                         {
 902                                 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
 903                                 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
 904                                 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
 905                         }
 906
 907                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n",
 908                                                                                 pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
 909
 910 #ifdef LEAP_SUPPORT
 911                         // Update CkipFlag
 912                         pAd->StaCfg.CkipFlag = CkipFlag;
 913
 914                         // Keep TimeStamp for Re-Association used.
 915                         if (LEAP_CCKM_ON(pAd) && (pAd->StaCfg.CCKMLinkUpFlag == TRUE))
 916                                 pAd->StaCfg.CCKMBeaconAtJoinTimeStamp = TimeStamp;
 917 #endif // LEAP_SUPPORT //
 918
 919                         if (AironetCellPowerLimit != 0xFF)
 920                         {
 921                                 //We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power
 922                                 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
 923                         }
 924                         else  //Used the default TX Power Percentage.
 925                                 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
 926
 927                         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
 928                         Status = MLME_SUCCESS;
 929                         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
 930                 }
 931                 // not to me BEACON, ignored
 932         }
 933         // sanity check fail, ignore this frame
 934 }
 935
 936 /*
 937         ==========================================================================
 938         Description:
 939                 receive BEACON from peer
 940
 941         IRQL = DISPATCH_LEVEL
 942
 943         ==========================================================================
 944  */
 945 VOID PeerBeacon(
 946         IN PRTMP_ADAPTER pAd,
 947         IN MLME_QUEUE_ELEM *Elem)
 948 {
 949         UCHAR         Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
 950         CHAR          Ssid[MAX_LEN_OF_SSID];
 951         CF_PARM       CfParm;
 952         UCHAR         SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0;
 953         UCHAR         DtimCount=0, DtimPeriod=0, BcastFlag=0;
 954         USHORT        CapabilityInfo, AtimWin, BeaconPeriod;
 955         LARGE_INTEGER TimeStamp;
 956         USHORT        TbttNumToNextWakeUp;
 957         UCHAR         Erp;
 958         UCHAR         SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
 959         UCHAR             SupRateLen, ExtRateLen;
 960         UCHAR             CkipFlag;
 961         USHORT        LenVIE;
 962         UCHAR             AironetCellPowerLimit;
 963         EDCA_PARM       EdcaParm;
 964         QBSS_LOAD_PARM  QbssLoad;
 965         QOS_CAPABILITY_PARM QosCapability;
 966         ULONG           RalinkIe;
 967         // New for WPA security suites
 968         UCHAR                                           VarIE[MAX_VIE_LEN];             // Total VIE length = MAX_VIE_LEN - -5
 969         NDIS_802_11_VARIABLE_IEs        *pVIE = NULL;
 970         HT_CAPABILITY_IE                HtCapability;
 971         ADD_HT_INFO_IE          AddHtInfo;      // AP might use this additional ht info IE
 972         UCHAR                   HtCapabilityLen, PreNHtCapabilityLen;
 973         UCHAR                   AddHtInfoLen;
 974         UCHAR                   NewExtChannelOffset = 0xff;
 975
 976
 977 #ifdef RALINK_ATE
 978     if (ATE_ON(pAd))
 979     {
 980                 return;
 981     }
 982 #endif // RALINK_ATE //
 983
 984         if (!(INFRA_ON(pAd) || ADHOC_ON(pAd)
 985                 ))
 986                 return;
 987
 988         // Init Variable IE structure
 989         pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
 990         pVIE->Length = 0;
 991     RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
 992         RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
 993
 994         if (PeerBeaconAndProbeRspSanity(pAd,
 995                                                                 Elem->Msg,
 996                                                                 Elem->MsgLen,
 997                                                                 Elem->Channel,
 998                                                                 Addr2,
 999                                                                 Bssid,
1000                                                                 Ssid,
1001                                                                 &SsidLen,
1002                                                                 &BssType,
1003                                                                 &BeaconPeriod,
1004                                                                 &Channel,
1005                                                                 &NewChannel,
1006                                                                 &TimeStamp,
1007                                                                 &CfParm,
1008                                                                 &AtimWin,
1009                                                                 &CapabilityInfo,
1010                                                                 &Erp,
1011                                                                 &DtimCount,
1012                                                                 &DtimPeriod,
1013                                                                 &BcastFlag,
1014                                                                 &MessageToMe,
1015                                                                 SupRate,
1016                                                                 &SupRateLen,
1017                                                                 ExtRate,
1018                                                                 &ExtRateLen,
1019                                                                 &CkipFlag,
1020                                                                 &AironetCellPowerLimit,
1021                                                                 &EdcaParm,
1022                                                                 &QbssLoad,
1023                                                                 &QosCapability,
1024                                                                 &RalinkIe,
1025                                                                 &HtCapabilityLen,
1026                                                                 &PreNHtCapabilityLen,
1027                                                                 &HtCapability,
1028                                                                 &AddHtInfoLen,
1029                                                                 &AddHtInfo,
1030                                                                 &NewExtChannelOffset,
1031                                                                 &LenVIE,
1032                                                                 pVIE))
1033         {
1034                 BOOLEAN is_my_bssid, is_my_ssid;
1035                 ULONG   Bssidx, Now;
1036                 BSS_ENTRY *pBss;
1037                 CHAR            RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
1038
1039                 is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE;
1040                 is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE;
1041
1042
1043                 // ignore BEACON not for my SSID
1044                 if ((! is_my_ssid) && (! is_my_bssid))
1045                         return;
1046
1047                 // It means STA waits disassoc completely from this AP, ignores this beacon.
1048                 if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC)
1049                         return;
1050
1051 #ifdef DOT11_N_SUPPORT
1052                 // Copy Control channel for this BSSID.
1053                 if (AddHtInfoLen != 0)
1054                         Channel = AddHtInfo.ControlChan;
1055
1056                 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
1057                         HtCapabilityLen = SIZE_HT_CAP_IE;
1058 #endif // DOT11_N_SUPPORT //
1059
1060                 //
1061                 // Housekeeping "SsidBssTab" table for later-on ROAMing usage.
1062                 //
1063                 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1064                 if (Bssidx == BSS_NOT_FOUND)
1065                 {
1066                         // discover new AP of this network, create BSS entry
1067                         Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1068                                                  &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,
1069                                                 &HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel,
1070                                                 RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability,
1071                                                 &QbssLoad, LenVIE, pVIE);
1072                         if (Bssidx == BSS_NOT_FOUND) // return if BSS table full
1073                                 return;
1074
1075                         NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4);
1076                         NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
1077                         NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
1078
1079
1080
1081                 }
1082
1083                 if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
1084                 {
1085                         // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
1086                         // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
1087                         AsicSwitchChannel(pAd, 1, FALSE);
1088                         AsicLockChannel(pAd, 1);
1089                     LinkDown(pAd, FALSE);
1090                         MlmeQueueInit(&pAd->Mlme.Queue);
1091                         BssTableInit(&pAd->ScanTab);
1092                     RTMPusecDelay(1000000);             // use delay to prevent STA do reassoc
1093
1094                         // channel sanity check
1095                         for (index = 0 ; index < pAd->ChannelListNum; index++)
1096                         {
1097                                 if (pAd->ChannelList[index].Channel == NewChannel)
1098                                 {
1099                                         pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
1100                                         pAd->CommonCfg.Channel = NewChannel;
1101                                         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
1102                                         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
1103                                         DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
1104                                         break;
1105                                 }
1106                         }
1107
1108                         if (index >= pAd->ChannelListNum)
1109                         {
1110                                 DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
1111                         }
1112                 }
1113
1114                 // if the ssid matched & bssid unmatched, we should select the bssid with large value.
1115                 // This might happened when two STA start at the same time
1116                 if ((! is_my_bssid) && ADHOC_ON(pAd))
1117                 {
1118                         INT     i;
1119
1120                         // Add the safeguard against the mismatch of adhoc wep status
1121                         if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus)
1122                         {
1123                                 return;
1124                         }
1125
1126                         // collapse into the ADHOC network which has bigger BSSID value.
1127                         for (i = 0; i < 6; i++)
1128                         {
1129                                 if (Bssid[i] > pAd->CommonCfg.Bssid[i])
1130                                 {
1131                                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - merge to the IBSS with bigger BSSID=%02x:%02x:%02x:%02x:%02x:%02x\n",
1132                                                 Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5]));
1133                                         AsicDisableSync(pAd);
1134                                         COPY_MAC_ADDR(pAd->CommonCfg.Bssid, Bssid);
1135                                         AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1136                                         MakeIbssBeacon(pAd);        // re-build BEACON frame
1137                                         AsicEnableIbssSync(pAd);    // copy BEACON frame to on-chip memory
1138                                         is_my_bssid = TRUE;
1139                                         break;
1140                                 }
1141                                 else if (Bssid[i] < pAd->CommonCfg.Bssid[i])
1142                                         break;
1143                         }
1144                 }
1145
1146
1147                 NdisGetSystemUpTime(&Now);
1148                 pBss = &pAd->ScanTab.BssEntry[Bssidx];
1149                 pBss->Rssi = RealRssi;       // lastest RSSI
1150                 pBss->LastBeaconRxTime = Now;   // last RX timestamp
1151
1152                 //
1153                 // BEACON from my BSSID - either IBSS or INFRA network
1154                 //
1155                 if (is_my_bssid)
1156                 {
1157                         RXWI_STRUC      RxWI;
1158
1159                         pAd->StaCfg.DtimCount = DtimCount;
1160                         pAd->StaCfg.DtimPeriod = DtimPeriod;
1161                         pAd->StaCfg.LastBeaconRxTime = Now;
1162
1163
1164                         RxWI.RSSI0 = Elem->Rssi0;
1165                         RxWI.RSSI1 = Elem->Rssi1;
1166                         RxWI.RSSI2 = Elem->Rssi2;
1167
1168                         Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI);
1169                         if (AironetCellPowerLimit != 0xFF)
1170                         {
1171                                 //
1172                                 // We get the Cisco (ccx) "TxPower Limit" required
1173                                 // Changed to appropriate TxPower Limit for Ciso Compatible Extensions
1174                                 //
1175                                 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
1176                         }
1177                         else
1178                         {
1179                                 //
1180                                 // AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist.
1181                                 // Used the default TX Power Percentage, that set from UI.
1182                                 //
1183                                 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
1184                         }
1185
1186                         if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo)))
1187                         {
1188                                 UCHAR                   MaxSupportedRateIn500Kbps = 0;
1189                                 UCHAR                   idx;
1190                                 MAC_TABLE_ENTRY *pEntry;
1191
1192                                 // supported rates array may not be sorted. sort it and find the maximum rate
1193                             for (idx=0; idx<SupRateLen; idx++)
1194                             {
1195                                 if (MaxSupportedRateIn500Kbps < (SupRate[idx] & 0x7f))
1196                                     MaxSupportedRateIn500Kbps = SupRate[idx] & 0x7f;
1197                             }
1198
1199                                 for (idx=0; idx<ExtRateLen; idx++)
1200                             {
1201                                 if (MaxSupportedRateIn500Kbps < (ExtRate[idx] & 0x7f))
1202                                     MaxSupportedRateIn500Kbps = ExtRate[idx] & 0x7f;
1203                             }
1204
1205                                 // look up the existing table
1206                                 pEntry = MacTableLookup(pAd, Addr2);
1207
1208                                 // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
1209                                 // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
1210                                 if ((ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID)) ||
1211                                         (pEntry && ((pEntry->LastBeaconRxTime + ADHOC_ENTRY_BEACON_LOST_TIME) < Now)))
1212                                 {
1213                                         if (pEntry == NULL)
1214                                                 // Another adhoc joining, add to our MAC table.
1215                                                 pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
1216
1217                                         if (StaAddMacTableEntry(pAd, pEntry, MaxSupportedRateIn500Kbps, &HtCapability, HtCapabilityLen, CapabilityInfo) == FALSE)
1218                                         {
1219                                                 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC - Add Entry failed.\n"));
1220                                                 return;
1221                                         }
1222
1223                                         if (pEntry &&
1224                                                 (Elem->Wcid == RESERVED_WCID))
1225                                         {
1226                                                 idx = pAd->StaCfg.DefaultKeyId;
1227                                                 RT28XX_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
1228                                         }
1229                                 }
1230
1231                                 if (pEntry && pEntry->ValidAsCLI)
1232                                         pEntry->LastBeaconRxTime = Now;
1233
1234                                 // At least another peer in this IBSS, declare MediaState as CONNECTED
1235                                 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
1236                                 {
1237                                         OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
1238
1239                                         pAd->IndicateMediaState = NdisMediaStateConnected;
1240                                         RTMP_IndicateMediaState(pAd);
1241                         pAd->ExtraInfo = GENERAL_LINK_UP;
1242                                         AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1243
1244                                         // 2003/03/12 - john
1245                                         // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
1246                                         // "site survey" result should always include the current connected network.
1247                                         //
1248                                         Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1249                                         if (Bssidx == BSS_NOT_FOUND)
1250                                         {
1251                                                 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1252                                                                         &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
1253                                                                         &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
1254                                                                         &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
1255                                         }
1256                                         DBGPRINT(RT_DEBUG_TRACE, ("ADHOC  fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
1257                                 }
1258                         }
1259
1260                         if (INFRA_ON(pAd))
1261                         {
1262                                 BOOLEAN bUseShortSlot, bUseBGProtection;
1263
1264                                 // decide to use/change to -
1265                                 //      1. long slot (20 us) or short slot (9 us) time
1266                                 //      2. turn on/off RTS/CTS and/or CTS-to-self protection
1267                                 //      3. short preamble
1268
1269                                 //bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo);
1270                                 bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo);
1271                                 if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED))
1272                                         AsicSetSlotTime(pAd, bUseShortSlot);
1273
1274                                 bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) ||    // always use
1275                                                                    ((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp));
1276
1277                                 if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP
1278                                         bUseBGProtection = FALSE;
1279
1280                                 if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED))
1281                                 {
1282                                         if (bUseBGProtection)
1283                                         {
1284                                                 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1285                                                 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1286                                         }
1287                                         else
1288                                         {
1289                                                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1290                                                 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1291                                         }
1292
1293                                         DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection));
1294                                 }
1295
1296 #ifdef DOT11_N_SUPPORT
1297                                 // check Ht protection mode. and adhere to the Non-GF device indication by AP.
1298                                 if ((AddHtInfoLen != 0) &&
1299                                         ((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) ||
1300                                         (AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent)))
1301                                 {
1302                                         pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent;
1303                                         pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode;
1304                                         if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)
1305                                 {
1306                                                 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE);
1307                                         }
1308                                         else
1309                                                 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
1310
1311                                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode));
1312                                 }
1313 #endif // DOT11_N_SUPPORT //
1314
1315                                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) &&
1316                                         ERP_IS_USE_BARKER_PREAMBLE(Erp))
1317                                 {
1318                                         MlmeSetTxPreamble(pAd, Rt802_11PreambleLong);
1319                                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n"));
1320                                 }
1321
1322                                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED)    &&
1323                                         (EdcaParm.bValid == TRUE)                          &&
1324                                         (EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount))
1325                                 {
1326                                         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n",
1327                                                 pAd->CommonCfg.APEdcaParm.EdcaUpdateCount,
1328                                                 EdcaParm.EdcaUpdateCount));
1329                                         AsicSetEdcaParm(pAd, &EdcaParm);
1330                                 }
1331
1332                                 // copy QOS related information
1333                                 NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
1334                                 NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
1335                         }
1336
1337                         // only INFRASTRUCTURE mode support power-saving feature
1338                         if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave))
1339                         {
1340                                 UCHAR FreeNumber;
1341                                 //  1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL
1342                                 //  2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE
1343                                 //  3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE
1344                                 //  4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE
1345                                 //  5. otherwise, put PHY back to sleep to save battery.
1346                                 if (MessageToMe)
1347                                 {
1348                                         if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable &&
1349                                                 pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO)
1350                                         {
1351                                                 pAd->CommonCfg.bNeedSendTriggerFrame = TRUE;
1352                                         }
1353                                         else
1354                                                 RT28XX_PS_POLL_ENQUEUE(pAd);
1355                                 }
1356                                 else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM))
1357                                 {
1358                                 }
1359                                 else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0)                                                                                                        ||
1360                                                 (pAd->TxSwQueue[QID_AC_BE].Number != 0)                                                                                                         ||
1361                                                 (pAd->TxSwQueue[QID_AC_VI].Number != 0)                                                                                                         ||
1362                                                 (pAd->TxSwQueue[QID_AC_VO].Number != 0)                                                                                                         ||
1363                                                 (RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS)      ||
1364                                                 (RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS)      ||
1365                                                 (RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS)      ||
1366                                                 (RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS)      ||
1367                                                 (RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS))
1368                                 {
1369                                         // TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme
1370                                         // can we cheat here (i.e. just check MGMT & AC_BE) for better performance?
1371                                 }
1372                                 else
1373                                 {
1374                                         USHORT NextDtim = DtimCount;
1375
1376                                         if (NextDtim == 0)
1377                                                 NextDtim = DtimPeriod;
1378
1379                                         TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount;
1380                                         if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim))
1381                                                 TbttNumToNextWakeUp = NextDtim;
1382
1383                                         if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
1384                                         {
1385                                                 AsicSleepThenAutoWakeup(pAd, TbttNumToNextWakeUp);
1386                                         }
1387                                 }
1388                         }
1389                 }
1390                 // not my BSSID, ignore it
1391         }
1392         // sanity check fail, ignore this frame
1393 }
1394
1395 /*
1396         ==========================================================================
1397         Description:
1398                 Receive PROBE REQ from remote peer when operating in IBSS mode
1399         ==========================================================================
1400  */
1401 VOID PeerProbeReqAction(
1402         IN PRTMP_ADAPTER pAd,
1403         IN MLME_QUEUE_ELEM *Elem)
1404 {
1405         UCHAR         Addr2[MAC_ADDR_LEN];
1406         CHAR          Ssid[MAX_LEN_OF_SSID];
1407         UCHAR         SsidLen;
1408 #ifdef DOT11_N_SUPPORT
1409         UCHAR             HtLen, AddHtLen, NewExtLen;
1410 #endif // DOT11_N_SUPPORT //
1411         HEADER_802_11 ProbeRspHdr;
1412         NDIS_STATUS   NStatus;
1413         PUCHAR        pOutBuffer = NULL;
1414         ULONG         FrameLen = 0;
1415         LARGE_INTEGER FakeTimestamp;
1416         UCHAR         DsLen = 1, IbssLen = 2;
1417         UCHAR         LocalErpIe[3] = {IE_ERP, 1, 0};
1418         BOOLEAN       Privacy;
1419         USHORT        CapabilityInfo;
1420         UCHAR             RSNIe = IE_WPA;
1421
1422         if (! ADHOC_ON(pAd))
1423                 return;
1424
1425         if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen))
1426         {
1427                 if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen))
1428                 {
1429                         // allocate and send out ProbeRsp frame
1430                         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1431                         if (NStatus != NDIS_STATUS_SUCCESS)
1432                                 return;
1433
1434                         //pAd->StaCfg.AtimWin = 0;  // ??????
1435
1436                         Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
1437                                           (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
1438                                           (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
1439                         CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0);
1440
1441                         MakeOutgoingFrame(pOutBuffer,                   &FrameLen,
1442                                                           sizeof(HEADER_802_11),        &ProbeRspHdr,
1443                                                           TIMESTAMP_LEN,                &FakeTimestamp,
1444                                                           2,                            &pAd->CommonCfg.BeaconPeriod,
1445                                                           2,                            &CapabilityInfo,
1446                                                           1,                            &SsidIe,
1447                                                           1,                            &pAd->CommonCfg.SsidLen,
1448                                                           pAd->CommonCfg.SsidLen,       pAd->CommonCfg.Ssid,
1449                                                           1,                            &SupRateIe,
1450                                                           1,                            &pAd->StaActive.SupRateLen,
1451                                                           pAd->StaActive.SupRateLen,    pAd->StaActive.SupRate,
1452                                                           1,                            &DsIe,
1453                                                           1,                            &DsLen,
1454                                                           1,                            &pAd->CommonCfg.Channel,
1455                                                           1,                            &IbssIe,
1456                                                           1,                            &IbssLen,
1457                                                           2,                            &pAd->StaActive.AtimWin,
1458                                                           END_OF_ARGS);
1459
1460                         if (pAd->StaActive.ExtRateLen)
1461                         {
1462                                 ULONG tmp;
1463                                 MakeOutgoingFrame(pOutBuffer + FrameLen,        &tmp,
1464                                                                   3,                            LocalErpIe,
1465                                                                   1,                            &ExtRateIe,
1466                                                                   1,                            &pAd->StaActive.ExtRateLen,
1467                                                                   pAd->StaActive.ExtRateLen,    &pAd->StaActive.ExtRate,
1468                                                                   END_OF_ARGS);
1469                                 FrameLen += tmp;
1470                         }
1471
1472                         // If adhoc secruity is set for WPA-None, append the cipher suite IE
1473                         if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone)
1474                         {
1475                                 ULONG tmp;
1476                                 MakeOutgoingFrame(pOutBuffer + FrameLen,                &tmp,
1477                                                                         1,                              &RSNIe,
1478                                                                         1,                              &pAd->StaCfg.RSNIE_Len,
1479                                                                         pAd->StaCfg.RSNIE_Len,          pAd->StaCfg.RSN_IE,
1480                                                                         END_OF_ARGS);
1481                                 FrameLen += tmp;
1482                         }
1483 #ifdef DOT11_N_SUPPORT
1484                         if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
1485                         {
1486                                 ULONG TmpLen;
1487                                 UCHAR   BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
1488                                 HtLen = sizeof(pAd->CommonCfg.HtCapability);
1489                                 AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
1490                                 NewExtLen = 1;
1491                                 //New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame
1492                                 if (pAd->bBroadComHT == TRUE)
1493                                 {
1494                                         MakeOutgoingFrame(pOutBuffer + FrameLen,            &TmpLen,
1495                                                                   1,                                &WpaIe,
1496                                                                   4,                                &BROADCOM[0],
1497                                                                  pAd->MlmeAux.HtCapabilityLen,          &pAd->MlmeAux.HtCapability,
1498                                                                   END_OF_ARGS);
1499                                 }
1500                                 else
1501                                 {
1502                                 MakeOutgoingFrame(pOutBuffer + FrameLen,            &TmpLen,
1503                                                                   1,                                &HtCapIe,
1504                                                                   1,                                &HtLen,
1505                                                                  sizeof(HT_CAPABILITY_IE),          &pAd->CommonCfg.HtCapability,
1506                                                                   1,                                &AddHtInfoIe,
1507                                                                   1,                                &AddHtLen,
1508                                                                  sizeof(ADD_HT_INFO_IE),          &pAd->CommonCfg.AddHTInfo,
1509                                                                   1,                                &NewExtChanIe,
1510                                                                   1,                                &NewExtLen,
1511                                                                  sizeof(NEW_EXT_CHAN_IE),          &pAd->CommonCfg.NewExtChanOffset,
1512                                                                   END_OF_ARGS);
1513                                 }
1514                                 FrameLen += TmpLen;
1515                         }
1516 #endif // DOT11_N_SUPPORT //
1517                         MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1518                         MlmeFreeMemory(pAd, pOutBuffer);
1519                 }
1520         }
1521 }
1522
1523 VOID BeaconTimeoutAtJoinAction(
1524         IN PRTMP_ADAPTER pAd,
1525         IN MLME_QUEUE_ELEM *Elem)
1526 {
1527         USHORT Status;
1528         DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n"));
1529         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1530         Status = MLME_REJ_TIMEOUT;
1531         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1532 }
1533
1534 /*
1535         ==========================================================================
1536         Description:
1537                 Scan timeout procedure. basically add channel index by 1 and rescan
1538         ==========================================================================
1539  */
1540 VOID ScanTimeoutAction(
1541         IN PRTMP_ADAPTER pAd,
1542         IN MLME_QUEUE_ELEM *Elem)
1543 {
1544         pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
1545
1546         // Only one channel scanned for CISCO beacon request
1547         if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) ||
1548                 (pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) ||
1549                 (pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) ||
1550                 (pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD))
1551                 pAd->MlmeAux.Channel = 0;
1552
1553         // this routine will stop if pAd->MlmeAux.Channel == 0
1554         ScanNextChannel(pAd);
1555 }
1556
1557 /*
1558         ==========================================================================
1559         Description:
1560         ==========================================================================
1561  */
1562 VOID InvalidStateWhenScan(
1563         IN PRTMP_ADAPTER pAd,
1564         IN MLME_QUEUE_ELEM *Elem)
1565 {
1566         USHORT Status;
1567         DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1568         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1569         Status = MLME_STATE_MACHINE_REJECT;
1570         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
1571 }
1572
1573 /*
1574         ==========================================================================
1575         Description:
1576         ==========================================================================
1577  */
1578 VOID InvalidStateWhenJoin(
1579         IN PRTMP_ADAPTER pAd,
1580         IN MLME_QUEUE_ELEM *Elem)
1581 {
1582         USHORT Status;
1583         DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1584         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1585         Status = MLME_STATE_MACHINE_REJECT;
1586         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1587 }
1588
1589 /*
1590         ==========================================================================
1591         Description:
1592         ==========================================================================
1593  */
1594 VOID InvalidStateWhenStart(
1595         IN PRTMP_ADAPTER pAd,
1596         IN MLME_QUEUE_ELEM *Elem)
1597 {
1598         USHORT Status;
1599         DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1600         pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1601         Status = MLME_STATE_MACHINE_REJECT;
1602         MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
1603 }
1604
1605 /*
1606         ==========================================================================
1607         Description:
1608
1609         IRQL = DISPATCH_LEVEL
1610
1611         ==========================================================================
1612  */
1613 VOID EnqueuePsPoll(
1614         IN PRTMP_ADAPTER pAd)
1615 {
1616 #ifdef RALINK_ATE
1617     if (ATE_ON(pAd))
1618     {
1619                 return;
1620     }
1621 #endif // RALINK_ATE //
1622
1623
1624         if (pAd->StaCfg.WindowsPowerMode == Ndis802_11PowerModeLegacy_PSP)
1625         pAd->PsPollFrame.FC.PwrMgmt = PWR_SAVE;
1626         MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME));
1627 }
1628
1629
1630 /*
1631         ==========================================================================
1632         Description:
1633         ==========================================================================
1634  */
1635 VOID EnqueueProbeRequest(
1636         IN PRTMP_ADAPTER pAd)
1637 {
1638         NDIS_STATUS     NState;
1639         PUCHAR          pOutBuffer;
1640         ULONG           FrameLen = 0;
1641         HEADER_802_11   Hdr80211;
1642
1643         DBGPRINT(RT_DEBUG_TRACE, ("force out a ProbeRequest ...\n"));
1644
1645         NState = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1646         if (NState == NDIS_STATUS_SUCCESS)
1647         {
1648                 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
1649
1650                 // this ProbeRequest explicitly specify SSID to reduce unwanted ProbeResponse
1651                 MakeOutgoingFrame(pOutBuffer,                     &FrameLen,
1652                                                   sizeof(HEADER_802_11),          &Hdr80211,
1653                                                   1,                              &SsidIe,
1654                                                   1,                              &pAd->CommonCfg.SsidLen,
1655                                                   pAd->CommonCfg.SsidLen,                 pAd->CommonCfg.Ssid,
1656                                                   1,                              &SupRateIe,
1657                                                   1,                              &pAd->StaActive.SupRateLen,
1658                                                   pAd->StaActive.SupRateLen,      pAd->StaActive.SupRate,
1659                                                   END_OF_ARGS);
1660                 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1661                 MlmeFreeMemory(pAd, pOutBuffer);
1662         }
1663
1664 }
1665
1666 #ifdef DOT11_N_SUPPORT
1667 #ifdef DOT11N_DRAFT3
1668 VOID BuildEffectedChannelList(
1669         IN PRTMP_ADAPTER pAd)
1670 {
1671         UCHAR           EChannel[11];
1672         UCHAR           i, j, k;
1673         UCHAR           UpperChannel = 0, LowerChannel = 0;
1674
1675         RTMPZeroMemory(EChannel, 11);
1676         i = 0;
1677         // Find upper channel and lower channel.
1678         if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel)
1679         {
1680                 UpperChannel = pAd->CommonCfg.Channel;
1681                 LowerChannel = pAd->CommonCfg.CentralChannel;
1682         }
1683         else if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel)
1684         {
1685                 UpperChannel = pAd->CommonCfg.CentralChannel;
1686                 LowerChannel = pAd->CommonCfg.Channel;
1687         }
1688         else
1689         {
1690                 return;
1691         }
1692
1693         // Record channels that is below lower channel..
1694         if (LowerChannel > 1)
1695         {
1696                 EChannel[0] = LowerChannel - 1;
1697                 i = 1;
1698                 if (LowerChannel > 2)
1699                 {
1700                         EChannel[1] = LowerChannel - 2;
1701                         i = 2;
1702                         if (LowerChannel > 3)
1703                         {
1704                                 EChannel[2] = LowerChannel - 3;
1705                                 i = 3;
1706                         }
1707                 }
1708         }
1709         // Record channels that is between  lower channel and upper channel.
1710         for (k = LowerChannel;k < UpperChannel;k++)
1711         {
1712                 EChannel[i] = k;
1713                 i++;
1714         }
1715         // Record channels that is above upper channel..
1716         if (LowerChannel < 11)
1717         {
1718                 EChannel[i] = UpperChannel + 1;
1719                 i++;
1720                 if (LowerChannel < 10)
1721                 {
1722                         EChannel[i] = LowerChannel + 2;
1723                         i++;
1724                         if (LowerChannel < 9)
1725                         {
1726                                 EChannel[i] = LowerChannel + 3;
1727                                 i++;
1728                         }
1729                 }
1730         }
1731         //
1732         for (j = 0;j < i;j++)
1733         {
1734                 for (k = 0;k < pAd->ChannelListNum;k++)
1735                 {
1736                         if (pAd->ChannelList[k].Channel == EChannel[j])
1737                         {
1738                                 pAd->ChannelList[k].bEffectedChannel = TRUE;
1739                                 DBGPRINT(RT_DEBUG_TRACE,(" EffectedChannel( =%d)\n", EChannel[j]));
1740                                 break;
1741                         }
1742                 }
1743         }
1744 }
1745 #endif // DOT11N_DRAFT3 //
1746 #endif // DOT11_N_SUPPORT //
1747
1748 BOOLEAN ScanRunning(
1749                 IN PRTMP_ADAPTER pAd)
1750 {
1751         return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE;
1752 }
1753