2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
10 * This program is free software; you can redistribute it and/or modify *
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25 *************************************************************************
34 -------- ---------- ----------------------------------------------
35 John Chang 2004-09-01 modified for rt2561/2661
36 Jan Lee 2006-08-01 modified for rt2860 for 802.11n
38 #include "../rt_config.h"
41 #define AC0_DEF_TXOP 0
42 #define AC1_DEF_TXOP 0
43 #define AC2_DEF_TXOP 94
44 #define AC3_DEF_TXOP 47
49 // Turn on QOs if use HT rate.
50 if (pAd->CommonCfg.APEdcaParm.bValid == FALSE)
52 pAd->CommonCfg.APEdcaParm.bValid = TRUE;
53 pAd->CommonCfg.APEdcaParm.Aifsn[0] = 3;
54 pAd->CommonCfg.APEdcaParm.Aifsn[1] = 7;
55 pAd->CommonCfg.APEdcaParm.Aifsn[2] = 1;
56 pAd->CommonCfg.APEdcaParm.Aifsn[3] = 1;
58 pAd->CommonCfg.APEdcaParm.Cwmin[0] = 4;
59 pAd->CommonCfg.APEdcaParm.Cwmin[1] = 4;
60 pAd->CommonCfg.APEdcaParm.Cwmin[2] = 3;
61 pAd->CommonCfg.APEdcaParm.Cwmin[3] = 2;
63 pAd->CommonCfg.APEdcaParm.Cwmax[0] = 10;
64 pAd->CommonCfg.APEdcaParm.Cwmax[1] = 6;
65 pAd->CommonCfg.APEdcaParm.Cwmax[2] = 4;
66 pAd->CommonCfg.APEdcaParm.Cwmax[3] = 3;
68 pAd->CommonCfg.APEdcaParm.Txop[0] = 0;
69 pAd->CommonCfg.APEdcaParm.Txop[1] = 0;
70 pAd->CommonCfg.APEdcaParm.Txop[2] = AC2_DEF_TXOP;
71 pAd->CommonCfg.APEdcaParm.Txop[3] = AC3_DEF_TXOP;
73 AsicSetEdcaParm(pAd, &pAd->CommonCfg.APEdcaParm);
77 #define ADHOC_ENTRY_BEACON_LOST_TIME (2*OS_HZ) // 2 sec
81 ==========================================================================
83 The sync state machine,
85 Sm - pointer to the state machine
87 the state machine looks like the following
89 ==========================================================================
91 VOID SyncStateMachineInit(
94 OUT STATE_MACHINE_FUNC Trans[])
96 StateMachineInit(Sm, Trans, MAX_SYNC_STATE, MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, SYNC_IDLE, SYNC_MACHINE_BASE);
99 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)MlmeScanReqAction);
100 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)MlmeJoinReqAction);
101 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)MlmeStartReqAction);
102 StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeacon);
103 StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)PeerProbeReqAction);
106 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
107 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
108 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
109 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtJoinAction);
110 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_BEACON_TIMEOUT, (STATE_MACHINE_FUNC)BeaconTimeoutAtJoinAction);
113 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
114 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
115 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
116 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
117 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
118 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)ScanTimeoutAction);
121 RTMPInitTimer(pAd, &pAd->MlmeAux.BeaconTimer, GET_TIMER_FUNCTION(BeaconTimeout), pAd, FALSE);
122 RTMPInitTimer(pAd, &pAd->MlmeAux.ScanTimer, GET_TIMER_FUNCTION(ScanTimeout), pAd, FALSE);
126 ==========================================================================
128 Beacon timeout handler, executed in timer thread
130 IRQL = DISPATCH_LEVEL
132 ==========================================================================
135 IN PVOID SystemSpecific1,
136 IN PVOID FunctionContext,
137 IN PVOID SystemSpecific2,
138 IN PVOID SystemSpecific3)
140 RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
142 DBGPRINT(RT_DEBUG_TRACE,("SYNC - BeaconTimeout\n"));
144 // Do nothing if the driver is starting halt state.
145 // This might happen when timer already been fired before cancel timer with mlmehalt
146 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
149 if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
153 AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
154 AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
155 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
158 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
159 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
162 MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_BEACON_TIMEOUT, 0, NULL);
163 RT28XX_MLME_HANDLER(pAd);
167 ==========================================================================
169 Scan timeout handler, executed in timer thread
171 IRQL = DISPATCH_LEVEL
173 ==========================================================================
176 IN PVOID SystemSpecific1,
177 IN PVOID FunctionContext,
178 IN PVOID SystemSpecific2,
179 IN PVOID SystemSpecific3)
181 RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
184 // Do nothing if the driver is starting halt state.
185 // This might happen when timer already been fired before cancel timer with mlmehalt
186 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
189 if (MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_SCAN_TIMEOUT, 0, NULL))
191 RT28XX_MLME_HANDLER(pAd);
195 // To prevent SyncMachine.CurrState is SCAN_LISTEN forever.
196 pAd->MlmeAux.Channel = 0;
197 ScanNextChannel(pAd);
198 if (pAd->CommonCfg.bWirelessEvent)
200 RTMPSendWirelessEvent(pAd, IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
206 ==========================================================================
208 MLME SCAN req state machine procedure
209 ==========================================================================
211 VOID MlmeScanReqAction(
212 IN PRTMP_ADAPTER pAd,
213 IN MLME_QUEUE_ELEM *Elem)
215 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType, BBPValue = 0;
216 BOOLEAN TimerCancelled;
219 PHEADER_802_11 pHdr80211;
220 PUCHAR pOutBuffer = NULL;
223 // Check the total scan tries for one single OID command
224 // If this is the CCX 2.0 Case, skip that!
225 if ( !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP))
227 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeScanReqAction before Startup\n"));
231 // Increase the scan retry counters.
232 pAd->StaCfg.ScanCnt++;
235 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
237 (pAd->StaCfg.bRadio == TRUE) &&
238 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
240 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
244 // first check the parameter sanity
245 if (MlmeScanReqSanity(pAd,
254 // Check for channel load and noise hist request
255 // Suspend MSDU only at scan request, not the last two mentioned
256 if ((ScanType == SCAN_CISCO_NOISE) || (ScanType == SCAN_CISCO_CHANNEL_LOAD))
258 if (pAd->StaCfg.CCXScanChannel != pAd->CommonCfg.Channel)
259 RTMPSuspendMsduTransmission(pAd); // Suspend MSDU transmission here
263 // Suspend MSDU transmission here
264 RTMPSuspendMsduTransmission(pAd);
268 // To prevent data lost.
269 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
270 // And should send an NULL data with turned PSM bit off to AP, when scan progress done
272 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
274 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
275 if (NStatus == NDIS_STATUS_SUCCESS)
277 pHdr80211 = (PHEADER_802_11) pOutBuffer;
278 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
279 pHdr80211->Duration = 0;
280 pHdr80211->FC.Type = BTYPE_DATA;
281 pHdr80211->FC.PwrMgmt = PWR_SAVE;
283 // Send using priority queue
284 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
285 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n"));
286 MlmeFreeMemory(pAd, pOutBuffer);
291 NdisGetSystemUpTime(&Now);
292 pAd->StaCfg.LastScanTime = Now;
293 // reset all the timers
294 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
295 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
297 // record desired BSS parameters
298 pAd->MlmeAux.BssType = BssType;
299 pAd->MlmeAux.ScanType = ScanType;
300 pAd->MlmeAux.SsidLen = SsidLen;
301 NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
302 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
304 // start from the first channel
305 pAd->MlmeAux.Channel = FirstChannel(pAd);
307 // Change the scan channel when dealing with CCX beacon report
308 if ((ScanType == SCAN_CISCO_PASSIVE) || (ScanType == SCAN_CISCO_ACTIVE) ||
309 (ScanType == SCAN_CISCO_CHANNEL_LOAD) || (ScanType == SCAN_CISCO_NOISE))
310 pAd->MlmeAux.Channel = pAd->StaCfg.CCXScanChannel;
312 // Let BBP register at 20MHz to do scan
313 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
315 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
316 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
317 ScanNextChannel(pAd);
321 DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n"));
322 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
323 Status = MLME_INVALID_FORMAT;
324 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
329 ==========================================================================
331 MLME JOIN req state machine procedure
332 ==========================================================================
334 VOID MlmeJoinReqAction(
335 IN PRTMP_ADAPTER pAd,
336 IN MLME_QUEUE_ELEM *Elem)
340 BOOLEAN TimerCancelled;
341 HEADER_802_11 Hdr80211;
344 PUCHAR pOutBuffer = NULL;
345 PUCHAR pSupRate = NULL;
347 PUCHAR pExtRate = NULL;
349 UCHAR ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C};
350 UCHAR ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR);
351 MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg);
353 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx));
356 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
358 (pAd->StaCfg.bRadio == TRUE) &&
359 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
361 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
365 // reset all the timers
366 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
367 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
369 pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx];
371 // record the desired SSID & BSSID we're waiting for
372 COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid);
374 // If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again.
375 if (pBss->Hidden == 0)
377 NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen);
378 pAd->MlmeAux.SsidLen = pBss->SsidLen;
381 pAd->MlmeAux.BssType = pBss->BssType;
382 pAd->MlmeAux.Channel = pBss->Channel;
383 pAd->MlmeAux.CentralChannel = pBss->CentralChannel;
385 // Let BBP register at 20MHz to do scan
386 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
388 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
389 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
391 // switch channel and waiting for beacon timer
392 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
393 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
394 RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT);
398 if (((pAd->CommonCfg.bIEEE80211H == 1) &&
399 (pAd->MlmeAux.Channel > 14) &&
400 RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
404 // We can't send any Probe request frame to meet 802.11h.
406 if (pBss->Hidden == 0)
411 // send probe request
413 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
414 if (NStatus == NDIS_STATUS_SUCCESS)
416 if (pAd->MlmeAux.Channel <= 14)
418 pSupRate = pAd->CommonCfg.SupRate;
419 SupRateLen = pAd->CommonCfg.SupRateLen;
420 pExtRate = pAd->CommonCfg.ExtRate;
421 ExtRateLen = pAd->CommonCfg.ExtRateLen;
426 // Overwrite Support Rate, CCK rate are not allowed
429 SupRateLen = ASupRateLen;
433 if (pAd->MlmeAux.BssType == BSS_INFRA)
434 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid);
436 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
438 MakeOutgoingFrame(pOutBuffer, &FrameLen,
439 sizeof(HEADER_802_11), &Hdr80211,
441 1, &pAd->MlmeAux.SsidLen,
442 pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid,
445 SupRateLen, pSupRate,
451 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
454 ExtRateLen, pExtRate,
460 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
461 MlmeFreeMemory(pAd, pOutBuffer);
465 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n",
466 pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5]));
468 pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON;
472 ==========================================================================
474 MLME START Request state machine procedure, starting an IBSS
475 ==========================================================================
477 VOID MlmeStartReqAction(
478 IN PRTMP_ADAPTER pAd,
479 IN MLME_QUEUE_ELEM *Elem)
481 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen;
482 BOOLEAN TimerCancelled;
484 // New for WPA security suites
485 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
486 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
487 LARGE_INTEGER TimeStamp;
491 // Init Variable IE structure
492 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
494 TimeStamp.u.LowPart = 0;
495 TimeStamp.u.HighPart = 0;
497 if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, Ssid, &SsidLen))
499 // reset all the timers
500 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
501 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
504 // Start a new IBSS. All IBSS parameters are decided now....
506 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n"));
507 pAd->MlmeAux.BssType = BSS_ADHOC;
508 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
509 pAd->MlmeAux.SsidLen = SsidLen;
511 // generate a radom number as BSSID
512 MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid);
513 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n"));
515 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
516 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
517 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
518 pAd->MlmeAux.CapabilityInfo = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0);
519 pAd->MlmeAux.BeaconPeriod = pAd->CommonCfg.BeaconPeriod;
520 pAd->MlmeAux.AtimWin = pAd->StaCfg.AtimWin;
521 pAd->MlmeAux.Channel = pAd->CommonCfg.Channel;
523 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
524 pAd->MlmeAux.CentralChannel = pAd->CommonCfg.CentralChannel;
526 pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen;
527 NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES);
528 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
529 pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen;
530 NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
531 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
533 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
535 RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
536 pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE);
537 // Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here.
538 DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n"));
542 pAd->MlmeAux.HtCapabilityLen = 0;
543 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
545 // temporarily not support QOS in IBSS
546 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
547 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
548 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
550 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
551 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
553 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n",
554 pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
556 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
557 Status = MLME_SUCCESS;
558 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
562 DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n"));
563 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
564 Status = MLME_INVALID_FORMAT;
565 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
570 ==========================================================================
572 peer sends beacon back when scanning
573 ==========================================================================
575 VOID PeerBeaconAtScanAction(
576 IN PRTMP_ADAPTER pAd,
577 IN MLME_QUEUE_ELEM *Elem)
579 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
580 UCHAR Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel,
581 SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe;
583 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
584 PFRAME_802_11 pFrame;
585 LARGE_INTEGER TimeStamp;
587 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
588 UCHAR SupRateLen, ExtRateLen;
591 UCHAR AironetCellPowerLimit;
593 QBSS_LOAD_PARM QbssLoad;
594 QOS_CAPABILITY_PARM QosCapability;
596 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
597 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
598 HT_CAPABILITY_IE HtCapability;
599 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
600 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
602 UCHAR NewExtChannelOffset = 0xff;
604 pFrame = (PFRAME_802_11) Elem->Msg;
605 // Init Variable IE structure
606 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
609 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
610 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
612 if (PeerBeaconAndProbeRspSanity(pAd,
638 &AironetCellPowerLimit,
644 &PreNHtCapabilityLen,
648 &NewExtChannelOffset,
655 Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
656 if (Idx != BSS_NOT_FOUND)
657 Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;
659 Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
661 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
662 HtCapabilityLen = SIZE_HT_CAP_IE;
664 if ((pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED) && (Channel == pAd->StaCfg.CCXScanChannel))
666 Idx = BssTableSetEntry(pAd, &pAd->StaCfg.CCXBssTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
667 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen,ExtRate, ExtRateLen, &HtCapability,
668 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
669 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
670 if (Idx != BSS_NOT_FOUND)
672 NdisMoveMemory(pAd->StaCfg.CCXBssTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
673 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
674 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
675 if (pAd->StaCfg.CCXReqType == MSRN_TYPE_BEACON_REQ)
676 AironetAddBeaconReport(pAd, Idx, Elem);
681 Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
682 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
683 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
684 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
686 if (Idx != BSS_NOT_FOUND)
688 NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
689 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
690 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
694 // sanity check fail, ignored
698 ==========================================================================
700 When waiting joining the (I)BSS, beacon received from external
701 ==========================================================================
703 VOID PeerBeaconAtJoinAction(
704 IN PRTMP_ADAPTER pAd,
705 IN MLME_QUEUE_ELEM *Elem)
707 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
708 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe,
709 DtimCount, DtimPeriod, BcastFlag, NewChannel;
710 LARGE_INTEGER TimeStamp;
711 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
713 BOOLEAN TimerCancelled;
715 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
716 UCHAR SupRateLen, ExtRateLen;
719 UCHAR AironetCellPowerLimit;
721 QBSS_LOAD_PARM QbssLoad;
722 QOS_CAPABILITY_PARM QosCapability;
724 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
725 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
728 HT_CAPABILITY_IE HtCapability;
729 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
730 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
732 UCHAR NewExtChannelOffset = 0xff;
733 UCHAR CentralChannel;
735 // Init Variable IE structure
736 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
738 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
739 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
742 if (PeerBeaconAndProbeRspSanity(pAd,
768 &AironetCellPowerLimit,
774 &PreNHtCapabilityLen,
778 &NewExtChannelOffset,
782 // Disqualify 11b only adhoc when we are in 11g only adhoc mode
783 if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12))
786 // BEACON from desired BSS/IBSS found. We should be able to decide most
787 // BSS parameters here.
788 // Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION?
789 // Do we need to receover back all parameters belonging to previous BSS?
790 // A. Should be not. There's no back-door recover to previous AP. It still need
791 // a new JOIN-AUTH-ASSOC sequence.
792 if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid))
794 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel));
795 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
797 // Update RSSI to prevent No signal display when cards first initialized
798 pAd->StaCfg.RssiSample.LastRssi0 = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0);
799 pAd->StaCfg.RssiSample.LastRssi1 = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1);
800 pAd->StaCfg.RssiSample.LastRssi2 = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2);
801 pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0;
802 pAd->StaCfg.RssiSample.AvgRssi0X8 = pAd->StaCfg.RssiSample.AvgRssi0 << 3;
803 pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1;
804 pAd->StaCfg.RssiSample.AvgRssi1X8 = pAd->StaCfg.RssiSample.AvgRssi1 << 3;
805 pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2;
806 pAd->StaCfg.RssiSample.AvgRssi2X8 = pAd->StaCfg.RssiSample.AvgRssi2 << 3;
809 // We need to check if SSID only set to any, then we can record the current SSID.
810 // Otherwise will cause hidden SSID association failed.
812 if (pAd->MlmeAux.SsidLen == 0)
814 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
815 pAd->MlmeAux.SsidLen = SsidLen;
819 Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel);
821 if (Idx != BSS_NOT_FOUND)
824 // Multiple SSID case, used correct CapabilityInfo
826 CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
829 NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN);
830 pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
831 pAd->MlmeAux.BssType = BssType;
832 pAd->MlmeAux.BeaconPeriod = BeaconPeriod;
833 pAd->MlmeAux.Channel = Channel;
834 pAd->MlmeAux.AtimWin = AtimWin;
835 pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod;
836 pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration;
837 pAd->MlmeAux.APRalinkIe = RalinkIe;
839 // Copy AP's supported rate to MlmeAux for creating assoication request
840 // Also filter out not supported rate
841 pAd->MlmeAux.SupRateLen = SupRateLen;
842 NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
843 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
844 pAd->MlmeAux.ExtRateLen = ExtRateLen;
845 NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
846 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
848 NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16);
850 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
851 pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen;
853 // filter out un-supported ht rates
854 if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) && (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
856 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
857 RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE);
859 // StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability
860 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
861 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
862 pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE;
863 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
864 if (PreNHtCapabilityLen > 0)
865 pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE;
866 RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo);
867 // Copy AP Parameter to StaActive. This is also in LinkUp.
868 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n",
869 pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth));
871 if (AddHtInfoLen > 0)
873 CentralChannel = AddHtInfo.ControlChan;
874 // Check again the Bandwidth capability of this AP.
875 if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
877 CentralChannel = AddHtInfo.ControlChan - 2;
879 else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
881 CentralChannel = AddHtInfo.ControlChan + 2;
885 if (pAd->MlmeAux.CentralChannel != CentralChannel)
886 DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel));
888 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d, .\n", CentralChannel, AddHtInfo.ControlChan));
895 // To prevent error, let legacy AP must have same CentralChannel and Channel.
896 if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0))
897 pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel;
899 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
900 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
901 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
904 RTMPUpdateMlmeRate(pAd);
906 // copy QOS related information
907 if ((pAd->CommonCfg.bWmmCapable)
908 || (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
911 NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM));
912 NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
913 NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
917 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
918 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
919 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
922 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n",
923 pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
925 if (AironetCellPowerLimit != 0xFF)
927 //We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power
928 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
930 else //Used the default TX Power Percentage.
931 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
933 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
934 Status = MLME_SUCCESS;
935 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
937 // not to me BEACON, ignored
939 // sanity check fail, ignore this frame
943 ==========================================================================
945 receive BEACON from peer
947 IRQL = DISPATCH_LEVEL
949 ==========================================================================
952 IN PRTMP_ADAPTER pAd,
953 IN MLME_QUEUE_ELEM *Elem)
955 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
956 CHAR Ssid[MAX_LEN_OF_SSID];
958 UCHAR SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0;
959 UCHAR DtimCount=0, DtimPeriod=0, BcastFlag=0;
960 USHORT CapabilityInfo, AtimWin, BeaconPeriod;
961 LARGE_INTEGER TimeStamp;
962 USHORT TbttNumToNextWakeUp;
964 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
965 UCHAR SupRateLen, ExtRateLen;
968 UCHAR AironetCellPowerLimit;
970 QBSS_LOAD_PARM QbssLoad;
971 QOS_CAPABILITY_PARM QosCapability;
973 // New for WPA security suites
974 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
975 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
976 HT_CAPABILITY_IE HtCapability;
977 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
978 UCHAR HtCapabilityLen, PreNHtCapabilityLen;
980 UCHAR NewExtChannelOffset = 0xff;
982 if (!(INFRA_ON(pAd) || ADHOC_ON(pAd)
986 // Init Variable IE structure
987 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
989 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
990 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
992 if (PeerBeaconAndProbeRspSanity(pAd,
1018 &AironetCellPowerLimit,
1024 &PreNHtCapabilityLen,
1028 &NewExtChannelOffset,
1032 BOOLEAN is_my_bssid, is_my_ssid;
1035 CHAR RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
1037 is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE;
1038 is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE;
1041 // ignore BEACON not for my SSID
1042 if ((! is_my_ssid) && (! is_my_bssid))
1045 // It means STA waits disassoc completely from this AP, ignores this beacon.
1046 if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC)
1049 // Copy Control channel for this BSSID.
1050 if (AddHtInfoLen != 0)
1051 Channel = AddHtInfo.ControlChan;
1053 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
1054 HtCapabilityLen = SIZE_HT_CAP_IE;
1057 // Housekeeping "SsidBssTab" table for later-on ROAMing usage.
1059 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1060 if (Bssidx == BSS_NOT_FOUND)
1062 // discover new AP of this network, create BSS entry
1063 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1064 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,
1065 &HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel,
1066 RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability,
1067 &QbssLoad, LenVIE, pVIE);
1068 if (Bssidx == BSS_NOT_FOUND) // return if BSS table full
1071 NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4);
1072 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
1073 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
1079 if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
1081 // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
1082 // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
1083 AsicSwitchChannel(pAd, 1, FALSE);
1084 AsicLockChannel(pAd, 1);
1085 LinkDown(pAd, FALSE);
1086 MlmeQueueInit(&pAd->Mlme.Queue);
1087 BssTableInit(&pAd->ScanTab);
1088 RTMPusecDelay(1000000); // use delay to prevent STA do reassoc
1090 // channel sanity check
1091 for (index = 0 ; index < pAd->ChannelListNum; index++)
1093 if (pAd->ChannelList[index].Channel == NewChannel)
1095 pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
1096 pAd->CommonCfg.Channel = NewChannel;
1097 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
1098 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
1099 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
1104 if (index >= pAd->ChannelListNum)
1106 DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
1110 // if the ssid matched & bssid unmatched, we should select the bssid with large value.
1111 // This might happened when two STA start at the same time
1112 if ((! is_my_bssid) && ADHOC_ON(pAd))
1116 // Add the safeguard against the mismatch of adhoc wep status
1117 if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus)
1120 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Not matched wep status %d %d\n", pAd->StaCfg.WepStatus, pAd->ScanTab.BssEntry[Bssidx].WepStatus));
1121 DBGPRINT(RT_DEBUG_TRACE, ("bssid=%s\n", pAd->ScanTab.BssEntry[Bssidx].Bssid));
1126 // collapse into the ADHOC network which has bigger BSSID value.
1127 for (i = 0; i < 6; i++)
1129 if (Bssid[i] > pAd->CommonCfg.Bssid[i])
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
1141 else if (Bssid[i] < pAd->CommonCfg.Bssid[i])
1147 NdisGetSystemUpTime(&Now);
1148 pBss = &pAd->ScanTab.BssEntry[Bssidx];
1149 pBss->Rssi = RealRssi; // lastest RSSI
1150 pBss->LastBeaconRxTime = Now; // last RX timestamp
1153 // BEACON from my BSSID - either IBSS or INFRA network
1159 pAd->StaCfg.DtimCount = DtimCount;
1160 pAd->StaCfg.DtimPeriod = DtimPeriod;
1161 pAd->StaCfg.LastBeaconRxTime = Now;
1164 RxWI.RSSI0 = Elem->Rssi0;
1165 RxWI.RSSI1 = Elem->Rssi1;
1166 RxWI.RSSI2 = Elem->Rssi2;
1168 Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI);
1169 if (AironetCellPowerLimit != 0xFF)
1172 // We get the Cisco (ccx) "TxPower Limit" required
1173 // Changed to appropriate TxPower Limit for Ciso Compatible Extensions
1175 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
1180 // AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist.
1181 // Used the default TX Power Percentage, that set from UI.
1183 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
1187 // at least one 11b peer joined. downgrade the MaxTxRate to 11Mbps
1188 // after last 11b peer left for several seconds, we'll auto switch back to 11G rate
1189 // in MlmePeriodicExec()
1191 if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo)))
1202 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.MaxTxRate > RATE_11))
1204 if (pAd->StaCfg.AdhocBOnlyJoined == FALSE)
1206 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11b peer joined. down-grade to 11b TX rates \n"));
1208 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1209 pAd->StaActive.SupRateLen = SupRateLen;
1210 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1211 pAd->StaActive.ExtRateLen = ExtRateLen;
1212 pAd->StaCfg.AdhocBOnlyJoined = TRUE;
1213 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1214 AsicSetEdcaParm(pAd, NULL);
1217 // this timestamp is for MlmePeriodicExec() to check if all 11B peers have left
1218 pAd->StaCfg.Last11bBeaconRxTime = Now;
1223 if ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
1225 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) &&
1226 !pAd->StaCfg.AdhocBGJoined &&
1227 !pAd->StaCfg.AdhocBOnlyJoined)
1228 AdhocTurnOnQos(pAd);
1230 // Handle rate switch issue when Adhoc mode
1231 if ((SupRateLen+ExtRateLen >= 8) && (HtCapability.MCSSet[0] == 0) && (HtCapability.MCSSet[1] == 0))
1233 if (pAd->StaCfg.AdhocBGJoined == FALSE)
1235 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11g peer joined. down-grade to 11g TX rates \n"));
1237 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1238 pAd->StaActive.SupRateLen = SupRateLen;
1239 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1240 pAd->StaActive.ExtRateLen = ExtRateLen;
1241 pAd->StaCfg.AdhocBGJoined = TRUE;
1242 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1243 AsicSetEdcaParm(pAd, NULL);
1246 // this timestamp is for MlmePeriodicExec() to check if all 11g peers have left
1247 pAd->StaCfg.Last11gBeaconRxTime = Now;
1250 else if (!pAd->StaCfg.AdhocBGJoined &&
1251 !pAd->StaCfg.AdhocBOnlyJoined &&
1252 (pAd->CommonCfg.RegTransmitSetting.field.BW == BW_40) &&
1253 (HtCapability.HtCapInfo.ChannelWidth == BW_20))
1255 if (pAd->StaCfg.Adhoc20NJoined == FALSE)
1257 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
1259 pAd->StaCfg.Adhoc20NJoined = TRUE;
1260 NdisMoveMemory(&pAd->MlmeAux.HtCapability, &HtCapability, SIZE_HT_CAP_IE);
1261 if (AddHtInfoLen != 0)
1262 NdisMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, AddHtInfoLen);
1263 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
1265 RTMPCheckHt(pAd, Elem->Wcid, &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
1266 COPY_HTSETTINGS_FROM_MLME_AUX_TO_ACTIVE_CFG(pAd);
1267 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
1271 // this timestamp is for MlmePeriodicExec() to check if all 20MHz N peers have left
1272 pAd->StaCfg.Last20NBeaconRxTime = Now;
1278 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
1279 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
1283 // If peer Adhoc is legacy mode, I don't need to call MlmeUpdateHtTxRates no matter I support HT or not
1284 if ((bRestart == TRUE) && (bnRestart == FALSE))
1286 MlmeUpdateTxRates(pAd, FALSE, 0);
1287 MakeIbssBeacon(pAd); // re-build BEACON frame
1288 AsicEnableIbssSync(pAd); // copy to on-chip memory
1290 else if ((bRestart == TRUE) && (bnRestart == TRUE))
1292 MlmeUpdateTxRates(pAd, FALSE, BSS0);
1293 MlmeUpdateHtTxRates(pAd, BSS0);
1294 MakeIbssBeacon(pAd); // re-build BEACON frame
1295 AsicEnableIbssSync(pAd); // copy to on-chip memory
1298 // At least another peer in this IBSS, declare MediaState as CONNECTED
1299 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
1301 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
1303 pAd->IndicateMediaState = NdisMediaStateConnected;
1304 RTMP_IndicateMediaState(pAd);
1305 pAd->ExtraInfo = GENERAL_LINK_UP;
1306 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1308 // 2003/03/12 - john
1309 // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
1310 // "site survey" result should always include the current connected network.
1312 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1313 if (Bssidx == BSS_NOT_FOUND)
1315 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1316 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
1317 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
1318 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
1320 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
1323 // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
1324 // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
1325 if (ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID))
1328 MAC_TABLE_ENTRY *pEntry;
1330 // look up the existing table
1331 pEntry = MacTableLookup(pAd, Addr2);
1334 // Another adhoc joining, add to our MAC table.
1335 pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
1338 pEntry->Sst = SST_ASSOC;
1339 idx = pAd->StaCfg.DefaultKeyId;
1340 // After InsertEntry, Write to ASIC on-chip table.
1341 RT28XX_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
1342 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC %x:%x:%x:%x:%x:%x join in.Entry=%d\n", Addr2[0],Addr2[1],Addr2[2],Addr2[3],Addr2[4],Addr2[5], pEntry->Aid));
1344 pEntry->HTPhyMode.word = pAd->StaCfg.HTPhyMode.word;
1345 if (HtCapabilityLen <= 0)
1347 pEntry->HTPhyMode.field.STBC = 0;
1348 pEntry->HTPhyMode.field.BW = 0;
1349 pEntry->HTPhyMode.field.ShortGI = 0;
1350 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.Channel <= 14))
1352 pEntry->HTPhyMode.field.MODE = MODE_CCK;
1356 pEntry->HTPhyMode.field.MODE = MODE_OFDM;
1358 MlmeUpdateTxRates(pAd, FALSE, 0);
1362 MlmeUpdateTxRates(pAd, FALSE, 0);
1363 MlmeUpdateHtTxRates(pAd, BSS0);
1367 union iwreq_data wrqu;
1368 wext_notify_event_assoc(pAd);
1370 memset(wrqu.ap_addr.sa_data, 0, MAC_ADDR_LEN);
1371 memcpy(wrqu.ap_addr.sa_data, pAd->MlmeAux.Bssid, MAC_ADDR_LEN);
1372 wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
1380 UCHAR MaxSupportedRateIn500Kbps = 0;
1382 MAC_TABLE_ENTRY *pEntry;
1384 // supported rates array may not be sorted. sort it and find the maximum rate
1385 for (idx=0; idx<SupRateLen; idx++)
1387 if (MaxSupportedRateIn500Kbps < (SupRate[idx] & 0x7f))
1388 MaxSupportedRateIn500Kbps = SupRate[idx] & 0x7f;
1391 for (idx=0; idx<ExtRateLen; idx++)
1393 if (MaxSupportedRateIn500Kbps < (ExtRate[idx] & 0x7f))
1394 MaxSupportedRateIn500Kbps = ExtRate[idx] & 0x7f;
1397 // look up the existing table
1398 pEntry = MacTableLookup(pAd, Addr2);
1400 // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
1401 // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
1402 if ((ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID)) ||
1403 (pEntry && ((pEntry->LastBeaconRxTime + ADHOC_ENTRY_BEACON_LOST_TIME) < Now)))
1406 // Another adhoc joining, add to our MAC table.
1407 pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
1409 if (StaAddMacTableEntry(pAd, pEntry, MaxSupportedRateIn500Kbps, &HtCapability, HtCapabilityLen, CapabilityInfo) == FALSE)
1411 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC - Add Entry failed.\n"));
1416 (Elem->Wcid == RESERVED_WCID))
1418 idx = pAd->StaCfg.DefaultKeyId;
1419 RT28XX_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
1423 if (pEntry && pEntry->ValidAsCLI)
1424 pEntry->LastBeaconRxTime = Now;
1426 // At least another peer in this IBSS, declare MediaState as CONNECTED
1427 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
1429 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
1431 pAd->IndicateMediaState = NdisMediaStateConnected;
1432 RTMP_IndicateMediaState(pAd);
1433 pAd->ExtraInfo = GENERAL_LINK_UP;
1434 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1436 // 2003/03/12 - john
1437 // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
1438 // "site survey" result should always include the current connected network.
1440 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1441 if (Bssidx == BSS_NOT_FOUND)
1443 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1444 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
1445 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
1446 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
1448 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
1455 BOOLEAN bUseShortSlot, bUseBGProtection;
1457 // decide to use/change to -
1458 // 1. long slot (20 us) or short slot (9 us) time
1459 // 2. turn on/off RTS/CTS and/or CTS-to-self protection
1460 // 3. short preamble
1462 //bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo);
1463 bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo);
1464 if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED))
1465 AsicSetSlotTime(pAd, bUseShortSlot);
1467 bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) || // always use
1468 ((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp));
1470 if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP
1471 bUseBGProtection = FALSE;
1473 if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED))
1475 if (bUseBGProtection)
1477 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1478 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1482 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1483 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1486 DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection));
1489 // check Ht protection mode. and adhere to the Non-GF device indication by AP.
1490 if ((AddHtInfoLen != 0) &&
1491 ((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) ||
1492 (AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent)))
1494 pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent;
1495 pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode;
1496 if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)
1498 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE);
1501 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
1503 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode));
1506 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) &&
1507 ERP_IS_USE_BARKER_PREAMBLE(Erp))
1509 MlmeSetTxPreamble(pAd, Rt802_11PreambleLong);
1510 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n"));
1513 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) &&
1514 (EdcaParm.bValid == TRUE) &&
1515 (EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount))
1517 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n",
1518 pAd->CommonCfg.APEdcaParm.EdcaUpdateCount,
1519 EdcaParm.EdcaUpdateCount));
1520 AsicSetEdcaParm(pAd, &EdcaParm);
1523 // copy QOS related information
1524 NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
1525 NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
1528 // only INFRASTRUCTURE mode support power-saving feature
1529 if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave))
1532 // 1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL
1533 // 2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE
1534 // 3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE
1535 // 4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE
1536 // 5. otherwise, put PHY back to sleep to save battery.
1540 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1542 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1545 if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable &&
1546 pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO)
1548 pAd->CommonCfg.bNeedSendTriggerFrame = TRUE;
1551 RT28XX_PS_POLL_ENQUEUE(pAd);
1553 else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM))
1556 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1558 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1562 else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0) ||
1563 (pAd->TxSwQueue[QID_AC_BE].Number != 0) ||
1564 (pAd->TxSwQueue[QID_AC_VI].Number != 0) ||
1565 (pAd->TxSwQueue[QID_AC_VO].Number != 0) ||
1566 (RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1567 (RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1568 (RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1569 (RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1570 (RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS))
1572 // TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme
1573 // can we cheat here (i.e. just check MGMT & AC_BE) for better performance?
1575 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1577 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1583 USHORT NextDtim = DtimCount;
1586 NextDtim = DtimPeriod;
1588 TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount;
1589 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim))
1590 TbttNumToNextWakeUp = NextDtim;
1592 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
1595 // Set a flag to go to sleep . Then after parse this RxDoneInterrupt, will go to sleep mode.
1596 RTMP_SET_PSFLAG(pAd, fRTMP_PS_GO_TO_SLEEP_NOW);
1597 pAd->ThisTbttNumToNextWakeUp = TbttNumToNextWakeUp;
1600 AsicSleepThenAutoWakeup(pAd, TbttNumToNextWakeUp);
1606 // not my BSSID, ignore it
1608 // sanity check fail, ignore this frame
1612 ==========================================================================
1614 Receive PROBE REQ from remote peer when operating in IBSS mode
1615 ==========================================================================
1617 VOID PeerProbeReqAction(
1618 IN PRTMP_ADAPTER pAd,
1619 IN MLME_QUEUE_ELEM *Elem)
1621 UCHAR Addr2[MAC_ADDR_LEN];
1622 CHAR Ssid[MAX_LEN_OF_SSID];
1624 UCHAR HtLen, AddHtLen, NewExtLen;
1625 HEADER_802_11 ProbeRspHdr;
1626 NDIS_STATUS NStatus;
1627 PUCHAR pOutBuffer = NULL;
1629 LARGE_INTEGER FakeTimestamp;
1630 UCHAR DsLen = 1, IbssLen = 2;
1631 UCHAR LocalErpIe[3] = {IE_ERP, 1, 0};
1633 USHORT CapabilityInfo;
1634 UCHAR RSNIe = IE_WPA;
1636 if (! ADHOC_ON(pAd))
1639 if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen))
1641 if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen))
1643 // allocate and send out ProbeRsp frame
1644 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1645 if (NStatus != NDIS_STATUS_SUCCESS)
1648 //pAd->StaCfg.AtimWin = 0; // ??????
1650 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
1651 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
1652 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
1653 CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0);
1655 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1656 sizeof(HEADER_802_11), &ProbeRspHdr,
1657 TIMESTAMP_LEN, &FakeTimestamp,
1658 2, &pAd->CommonCfg.BeaconPeriod,
1661 1, &pAd->CommonCfg.SsidLen,
1662 pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1664 1, &pAd->StaActive.SupRateLen,
1665 pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1668 1, &pAd->CommonCfg.Channel,
1671 2, &pAd->StaActive.AtimWin,
1674 if (pAd->StaActive.ExtRateLen)
1677 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1680 1, &pAd->StaActive.ExtRateLen,
1681 pAd->StaActive.ExtRateLen, &pAd->StaActive.ExtRate,
1686 // If adhoc secruity is set for WPA-None, append the cipher suite IE
1687 if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone)
1690 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1692 1, &pAd->StaCfg.RSNIE_Len,
1693 pAd->StaCfg.RSNIE_Len, pAd->StaCfg.RSN_IE,
1698 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
1701 UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
1702 HtLen = sizeof(pAd->CommonCfg.HtCapability);
1703 AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
1705 //New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame
1706 if (pAd->bBroadComHT == TRUE)
1708 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1711 pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
1716 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1719 sizeof(HT_CAPABILITY_IE), &pAd->CommonCfg.HtCapability,
1722 sizeof(ADD_HT_INFO_IE), &pAd->CommonCfg.AddHTInfo,
1725 sizeof(NEW_EXT_CHAN_IE), &pAd->CommonCfg.NewExtChanOffset,
1731 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1732 MlmeFreeMemory(pAd, pOutBuffer);
1737 VOID BeaconTimeoutAtJoinAction(
1738 IN PRTMP_ADAPTER pAd,
1739 IN MLME_QUEUE_ELEM *Elem)
1742 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n"));
1743 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1744 Status = MLME_REJ_TIMEOUT;
1745 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1749 ==========================================================================
1751 Scan timeout procedure. basically add channel index by 1 and rescan
1752 ==========================================================================
1754 VOID ScanTimeoutAction(
1755 IN PRTMP_ADAPTER pAd,
1756 IN MLME_QUEUE_ELEM *Elem)
1758 pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
1760 // Only one channel scanned for CISCO beacon request
1761 if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) ||
1762 (pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) ||
1763 (pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) ||
1764 (pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD))
1765 pAd->MlmeAux.Channel = 0;
1767 // this routine will stop if pAd->MlmeAux.Channel == 0
1768 ScanNextChannel(pAd);
1772 ==========================================================================
1774 ==========================================================================
1776 VOID InvalidStateWhenScan(
1777 IN PRTMP_ADAPTER pAd,
1778 IN MLME_QUEUE_ELEM *Elem)
1781 DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1782 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1783 Status = MLME_STATE_MACHINE_REJECT;
1784 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
1788 ==========================================================================
1790 ==========================================================================
1792 VOID InvalidStateWhenJoin(
1793 IN PRTMP_ADAPTER pAd,
1794 IN MLME_QUEUE_ELEM *Elem)
1797 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1798 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1799 Status = MLME_STATE_MACHINE_REJECT;
1800 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1804 ==========================================================================
1806 ==========================================================================
1808 VOID InvalidStateWhenStart(
1809 IN PRTMP_ADAPTER pAd,
1810 IN MLME_QUEUE_ELEM *Elem)
1813 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1814 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1815 Status = MLME_STATE_MACHINE_REJECT;
1816 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
1820 ==========================================================================
1823 IRQL = DISPATCH_LEVEL
1825 ==========================================================================
1828 IN PRTMP_ADAPTER pAd)
1830 if (pAd->StaCfg.WindowsPowerMode == Ndis802_11PowerModeLegacy_PSP)
1831 pAd->PsPollFrame.FC.PwrMgmt = PWR_SAVE;
1832 MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME));
1837 ==========================================================================
1839 ==========================================================================
1841 VOID EnqueueProbeRequest(
1842 IN PRTMP_ADAPTER pAd)
1847 HEADER_802_11 Hdr80211;
1849 DBGPRINT(RT_DEBUG_TRACE, ("force out a ProbeRequest ...\n"));
1851 NState = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1852 if (NState == NDIS_STATUS_SUCCESS)
1854 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
1856 // this ProbeRequest explicitly specify SSID to reduce unwanted ProbeResponse
1857 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1858 sizeof(HEADER_802_11), &Hdr80211,
1860 1, &pAd->CommonCfg.SsidLen,
1861 pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1863 1, &pAd->StaActive.SupRateLen,
1864 pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1866 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1867 MlmeFreeMemory(pAd, pOutBuffer);
1872 BOOLEAN ScanRunning(
1873 IN PRTMP_ADAPTER pAd)
1875 return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE;