2 *************************************************************************
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8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
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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"
40 #define AC0_DEF_TXOP 0
41 #define AC1_DEF_TXOP 0
42 #define AC2_DEF_TXOP 94
43 #define AC3_DEF_TXOP 47
48 // Turn on QOs if use HT rate.
49 if (pAd->CommonCfg.APEdcaParm.bValid == FALSE)
51 pAd->CommonCfg.APEdcaParm.bValid = TRUE;
52 pAd->CommonCfg.APEdcaParm.Aifsn[0] = 3;
53 pAd->CommonCfg.APEdcaParm.Aifsn[1] = 7;
54 pAd->CommonCfg.APEdcaParm.Aifsn[2] = 1;
55 pAd->CommonCfg.APEdcaParm.Aifsn[3] = 1;
57 pAd->CommonCfg.APEdcaParm.Cwmin[0] = 4;
58 pAd->CommonCfg.APEdcaParm.Cwmin[1] = 4;
59 pAd->CommonCfg.APEdcaParm.Cwmin[2] = 3;
60 pAd->CommonCfg.APEdcaParm.Cwmin[3] = 2;
62 pAd->CommonCfg.APEdcaParm.Cwmax[0] = 10;
63 pAd->CommonCfg.APEdcaParm.Cwmax[1] = 6;
64 pAd->CommonCfg.APEdcaParm.Cwmax[2] = 4;
65 pAd->CommonCfg.APEdcaParm.Cwmax[3] = 3;
67 pAd->CommonCfg.APEdcaParm.Txop[0] = 0;
68 pAd->CommonCfg.APEdcaParm.Txop[1] = 0;
69 pAd->CommonCfg.APEdcaParm.Txop[2] = AC2_DEF_TXOP;
70 pAd->CommonCfg.APEdcaParm.Txop[3] = AC3_DEF_TXOP;
72 AsicSetEdcaParm(pAd, &pAd->CommonCfg.APEdcaParm);
76 ==========================================================================
78 The sync state machine,
80 Sm - pointer to the state machine
82 the state machine looks like the following
84 ==========================================================================
86 VOID SyncStateMachineInit(
89 OUT STATE_MACHINE_FUNC Trans[])
91 StateMachineInit(Sm, Trans, MAX_SYNC_STATE, MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, SYNC_IDLE, SYNC_MACHINE_BASE);
94 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)MlmeScanReqAction);
95 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)MlmeJoinReqAction);
96 StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)MlmeStartReqAction);
97 StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeacon);
98 StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)PeerProbeReqAction);
101 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
102 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
103 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
104 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtJoinAction);
105 StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_BEACON_TIMEOUT, (STATE_MACHINE_FUNC)BeaconTimeoutAtJoinAction);
108 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
109 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
110 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
111 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
112 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
113 StateMachineSetAction(Sm, SCAN_LISTEN, MT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)ScanTimeoutAction);
116 RTMPInitTimer(pAd, &pAd->MlmeAux.BeaconTimer, GET_TIMER_FUNCTION(BeaconTimeout), pAd, FALSE);
117 RTMPInitTimer(pAd, &pAd->MlmeAux.ScanTimer, GET_TIMER_FUNCTION(ScanTimeout), pAd, FALSE);
121 ==========================================================================
123 Beacon timeout handler, executed in timer thread
125 IRQL = DISPATCH_LEVEL
127 ==========================================================================
130 IN PVOID SystemSpecific1,
131 IN PVOID FunctionContext,
132 IN PVOID SystemSpecific2,
133 IN PVOID SystemSpecific3)
135 RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
137 DBGPRINT(RT_DEBUG_TRACE,("SYNC - BeaconTimeout\n"));
139 // Do nothing if the driver is starting halt state.
140 // This might happen when timer already been fired before cancel timer with mlmehalt
141 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
144 #ifdef DOT11_N_SUPPORT
145 if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
149 AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
150 AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
151 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
154 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
155 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
157 #endif // DOT11_N_SUPPORT //
159 MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_BEACON_TIMEOUT, 0, NULL);
160 RT28XX_MLME_HANDLER(pAd);
164 ==========================================================================
166 Scan timeout handler, executed in timer thread
168 IRQL = DISPATCH_LEVEL
170 ==========================================================================
173 IN PVOID SystemSpecific1,
174 IN PVOID FunctionContext,
175 IN PVOID SystemSpecific2,
176 IN PVOID SystemSpecific3)
178 RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
181 // Do nothing if the driver is starting halt state.
182 // This might happen when timer already been fired before cancel timer with mlmehalt
183 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
186 if (MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_SCAN_TIMEOUT, 0, NULL))
188 RT28XX_MLME_HANDLER(pAd);
192 // To prevent SyncMachine.CurrState is SCAN_LISTEN forever.
193 pAd->MlmeAux.Channel = 0;
194 ScanNextChannel(pAd);
195 if (pAd->CommonCfg.bWirelessEvent)
197 RTMPSendWirelessEvent(pAd, IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
203 ==========================================================================
205 MLME SCAN req state machine procedure
206 ==========================================================================
208 VOID MlmeScanReqAction(
209 IN PRTMP_ADAPTER pAd,
210 IN MLME_QUEUE_ELEM *Elem)
212 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType, BBPValue = 0;
213 BOOLEAN TimerCancelled;
216 PHEADER_802_11 pHdr80211;
217 PUCHAR pOutBuffer = NULL;
220 // Check the total scan tries for one single OID command
221 // If this is the CCX 2.0 Case, skip that!
222 if ( !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP))
224 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeScanReqAction before Startup\n"));
228 // Increase the scan retry counters.
229 pAd->StaCfg.ScanCnt++;
231 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
233 (pAd->StaCfg.bRadio == TRUE) &&
234 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
236 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
239 // first check the parameter sanity
240 if (MlmeScanReqSanity(pAd,
249 // Check for channel load and noise hist request
250 // Suspend MSDU only at scan request, not the last two mentioned
251 if ((ScanType == SCAN_CISCO_NOISE) || (ScanType == SCAN_CISCO_CHANNEL_LOAD))
253 if (pAd->StaCfg.CCXScanChannel != pAd->CommonCfg.Channel)
254 RTMPSuspendMsduTransmission(pAd); // Suspend MSDU transmission here
258 // Suspend MSDU transmission here
259 RTMPSuspendMsduTransmission(pAd);
263 // To prevent data lost.
264 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
265 // And should send an NULL data with turned PSM bit off to AP, when scan progress done
267 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
269 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
270 if (NStatus == NDIS_STATUS_SUCCESS)
272 pHdr80211 = (PHEADER_802_11) pOutBuffer;
273 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
274 pHdr80211->Duration = 0;
275 pHdr80211->FC.Type = BTYPE_DATA;
276 pHdr80211->FC.PwrMgmt = PWR_SAVE;
278 // Send using priority queue
279 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
280 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n"));
281 MlmeFreeMemory(pAd, pOutBuffer);
286 NdisGetSystemUpTime(&Now);
287 pAd->StaCfg.LastScanTime = Now;
288 // reset all the timers
289 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
290 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
292 // record desired BSS parameters
293 pAd->MlmeAux.BssType = BssType;
294 pAd->MlmeAux.ScanType = ScanType;
295 pAd->MlmeAux.SsidLen = SsidLen;
296 NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
297 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
299 // start from the first channel
300 pAd->MlmeAux.Channel = FirstChannel(pAd);
302 // Change the scan channel when dealing with CCX beacon report
303 if ((ScanType == SCAN_CISCO_PASSIVE) || (ScanType == SCAN_CISCO_ACTIVE) ||
304 (ScanType == SCAN_CISCO_CHANNEL_LOAD) || (ScanType == SCAN_CISCO_NOISE))
305 pAd->MlmeAux.Channel = pAd->StaCfg.CCXScanChannel;
307 // Let BBP register at 20MHz to do scan
308 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
310 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
311 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
312 ScanNextChannel(pAd);
316 DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n"));
317 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
318 Status = MLME_INVALID_FORMAT;
319 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
324 ==========================================================================
326 MLME JOIN req state machine procedure
327 ==========================================================================
329 VOID MlmeJoinReqAction(
330 IN PRTMP_ADAPTER pAd,
331 IN MLME_QUEUE_ELEM *Elem)
335 BOOLEAN TimerCancelled;
336 HEADER_802_11 Hdr80211;
339 PUCHAR pOutBuffer = NULL;
340 PUCHAR pSupRate = NULL;
342 PUCHAR pExtRate = NULL;
344 UCHAR ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C};
345 UCHAR ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR);
346 MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg);
348 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx));
350 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
352 (pAd->StaCfg.bRadio == TRUE) &&
353 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
355 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
358 // reset all the timers
359 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
360 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
362 pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx];
364 // record the desired SSID & BSSID we're waiting for
365 COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid);
367 // If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again.
368 if (pBss->Hidden == 0)
370 NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen);
371 pAd->MlmeAux.SsidLen = pBss->SsidLen;
374 pAd->MlmeAux.BssType = pBss->BssType;
375 pAd->MlmeAux.Channel = pBss->Channel;
376 pAd->MlmeAux.CentralChannel = pBss->CentralChannel;
378 #ifdef EXT_BUILD_CHANNEL_LIST
379 // Country IE of the AP will be evaluated and will be used.
380 if ((pAd->StaCfg.IEEE80211dClientMode != Rt802_11_D_None) &&
381 (pBss->bHasCountryIE == TRUE))
383 NdisMoveMemory(&pAd->CommonCfg.CountryCode[0], &pBss->CountryString[0], 2);
384 if (pBss->CountryString[2] == 'I')
385 pAd->CommonCfg.Geography = IDOR;
386 else if (pBss->CountryString[2] == 'O')
387 pAd->CommonCfg.Geography = ODOR;
389 pAd->CommonCfg.Geography = BOTH;
390 BuildChannelListEx(pAd);
392 #endif // EXT_BUILD_CHANNEL_LIST //
394 // Let BBP register at 20MHz to do scan
395 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
397 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
398 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
400 // switch channel and waiting for beacon timer
401 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
402 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
403 RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT);
407 if (((pAd->CommonCfg.bIEEE80211H == 1) &&
408 (pAd->MlmeAux.Channel > 14) &&
409 RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
410 #ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier
411 || (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
412 #endif // CARRIER_DETECTION_SUPPORT //
416 // We can't send any Probe request frame to meet 802.11h.
418 if (pBss->Hidden == 0)
423 // send probe request
425 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
426 if (NStatus == NDIS_STATUS_SUCCESS)
428 if (pAd->MlmeAux.Channel <= 14)
430 pSupRate = pAd->CommonCfg.SupRate;
431 SupRateLen = pAd->CommonCfg.SupRateLen;
432 pExtRate = pAd->CommonCfg.ExtRate;
433 ExtRateLen = pAd->CommonCfg.ExtRateLen;
438 // Overwrite Support Rate, CCK rate are not allowed
441 SupRateLen = ASupRateLen;
445 if (pAd->MlmeAux.BssType == BSS_INFRA)
446 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid);
448 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
450 MakeOutgoingFrame(pOutBuffer, &FrameLen,
451 sizeof(HEADER_802_11), &Hdr80211,
453 1, &pAd->MlmeAux.SsidLen,
454 pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid,
457 SupRateLen, pSupRate,
463 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
466 ExtRateLen, pExtRate,
472 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
473 MlmeFreeMemory(pAd, pOutBuffer);
477 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n",
478 pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5]));
480 pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON;
484 ==========================================================================
486 MLME START Request state machine procedure, starting an IBSS
487 ==========================================================================
489 VOID MlmeStartReqAction(
490 IN PRTMP_ADAPTER pAd,
491 IN MLME_QUEUE_ELEM *Elem)
493 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen;
494 BOOLEAN TimerCancelled;
496 // New for WPA security suites
497 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
498 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
499 LARGE_INTEGER TimeStamp;
503 // Init Variable IE structure
504 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
506 TimeStamp.u.LowPart = 0;
507 TimeStamp.u.HighPart = 0;
509 if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, Ssid, &SsidLen))
511 // reset all the timers
512 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
513 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
516 // Start a new IBSS. All IBSS parameters are decided now....
518 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n"));
519 pAd->MlmeAux.BssType = BSS_ADHOC;
520 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
521 pAd->MlmeAux.SsidLen = SsidLen;
523 // generate a radom number as BSSID
524 MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid);
525 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n"));
527 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
528 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
529 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
530 pAd->MlmeAux.CapabilityInfo = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0);
531 pAd->MlmeAux.BeaconPeriod = pAd->CommonCfg.BeaconPeriod;
532 pAd->MlmeAux.AtimWin = pAd->StaCfg.AtimWin;
533 pAd->MlmeAux.Channel = pAd->CommonCfg.Channel;
535 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
536 pAd->MlmeAux.CentralChannel = pAd->CommonCfg.CentralChannel;
538 pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen;
539 NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES);
540 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
541 pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen;
542 NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
543 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
544 #ifdef DOT11_N_SUPPORT
545 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
547 RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
548 pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE);
549 // Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here.
550 DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n"));
553 #endif // DOT11_N_SUPPORT //
555 pAd->MlmeAux.HtCapabilityLen = 0;
556 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
558 // temporarily not support QOS in IBSS
559 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
560 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
561 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
563 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
564 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
566 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n",
567 pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
569 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
570 Status = MLME_SUCCESS;
571 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
575 DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n"));
576 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
577 Status = MLME_INVALID_FORMAT;
578 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
583 ==========================================================================
585 peer sends beacon back when scanning
586 ==========================================================================
588 VOID PeerBeaconAtScanAction(
589 IN PRTMP_ADAPTER pAd,
590 IN MLME_QUEUE_ELEM *Elem)
592 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
593 UCHAR Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel,
594 SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe;
596 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
597 PFRAME_802_11 pFrame;
598 LARGE_INTEGER TimeStamp;
600 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
601 UCHAR SupRateLen, ExtRateLen;
604 UCHAR AironetCellPowerLimit;
606 QBSS_LOAD_PARM QbssLoad;
607 QOS_CAPABILITY_PARM QosCapability;
609 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
610 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
611 HT_CAPABILITY_IE HtCapability;
612 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
613 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
615 UCHAR NewExtChannelOffset = 0xff;
617 pFrame = (PFRAME_802_11) Elem->Msg;
618 // Init Variable IE structure
619 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
621 #ifdef DOT11_N_SUPPORT
622 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
623 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
624 #endif // DOT11_N_SUPPORT //
626 if (PeerBeaconAndProbeRspSanity(pAd,
652 &AironetCellPowerLimit,
658 &PreNHtCapabilityLen,
662 &NewExtChannelOffset,
669 Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
670 if (Idx != BSS_NOT_FOUND)
671 Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;
673 Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
676 #ifdef DOT11_N_SUPPORT
677 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
678 HtCapabilityLen = SIZE_HT_CAP_IE;
679 #endif // DOT11_N_SUPPORT //
680 if ((pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED) && (Channel == pAd->StaCfg.CCXScanChannel))
682 Idx = BssTableSetEntry(pAd, &pAd->StaCfg.CCXBssTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
683 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen,ExtRate, ExtRateLen, &HtCapability,
684 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
685 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
686 if (Idx != BSS_NOT_FOUND)
688 NdisMoveMemory(pAd->StaCfg.CCXBssTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
689 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
690 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
691 if (pAd->StaCfg.CCXReqType == MSRN_TYPE_BEACON_REQ)
692 AironetAddBeaconReport(pAd, Idx, Elem);
697 Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
698 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
699 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
700 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
701 #ifdef DOT11_N_SUPPORT
703 if (pAd->ChannelList[pAd->CommonCfg.ChannelListIdx].bEffectedChannel == TRUE)
706 PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &RegClass);
707 TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, Bssid, &HtCapability, HtCapabilityLen, RegClass, Channel);
709 #endif // DOT11N_DRAFT3 //
710 #endif // DOT11_N_SUPPORT //
711 if (Idx != BSS_NOT_FOUND)
713 NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
714 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
715 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
719 // sanity check fail, ignored
723 ==========================================================================
725 When waiting joining the (I)BSS, beacon received from external
726 ==========================================================================
728 VOID PeerBeaconAtJoinAction(
729 IN PRTMP_ADAPTER pAd,
730 IN MLME_QUEUE_ELEM *Elem)
732 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
733 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe,
734 DtimCount, DtimPeriod, BcastFlag, NewChannel;
735 LARGE_INTEGER TimeStamp;
736 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
738 BOOLEAN TimerCancelled;
740 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
741 UCHAR SupRateLen, ExtRateLen;
744 UCHAR AironetCellPowerLimit;
746 QBSS_LOAD_PARM QbssLoad;
747 QOS_CAPABILITY_PARM QosCapability;
749 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
750 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
753 HT_CAPABILITY_IE HtCapability;
754 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
755 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
757 UCHAR NewExtChannelOffset = 0xff;
758 #ifdef DOT11_N_SUPPORT
759 UCHAR CentralChannel;
760 #endif // DOT11_N_SUPPORT //
762 // Init Variable IE structure
763 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
765 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
766 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
769 if (PeerBeaconAndProbeRspSanity(pAd,
795 &AironetCellPowerLimit,
801 &PreNHtCapabilityLen,
805 &NewExtChannelOffset,
809 // Disqualify 11b only adhoc when we are in 11g only adhoc mode
810 if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12))
813 // BEACON from desired BSS/IBSS found. We should be able to decide most
814 // BSS parameters here.
815 // Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION?
816 // Do we need to receover back all parameters belonging to previous BSS?
817 // A. Should be not. There's no back-door recover to previous AP. It still need
818 // a new JOIN-AUTH-ASSOC sequence.
819 if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid))
821 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel));
822 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
824 // Update RSSI to prevent No signal display when cards first initialized
825 pAd->StaCfg.RssiSample.LastRssi0 = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0);
826 pAd->StaCfg.RssiSample.LastRssi1 = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1);
827 pAd->StaCfg.RssiSample.LastRssi2 = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2);
828 pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0;
829 pAd->StaCfg.RssiSample.AvgRssi0X8 = pAd->StaCfg.RssiSample.AvgRssi0 << 3;
830 pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1;
831 pAd->StaCfg.RssiSample.AvgRssi1X8 = pAd->StaCfg.RssiSample.AvgRssi1 << 3;
832 pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2;
833 pAd->StaCfg.RssiSample.AvgRssi2X8 = pAd->StaCfg.RssiSample.AvgRssi2 << 3;
836 // We need to check if SSID only set to any, then we can record the current SSID.
837 // Otherwise will cause hidden SSID association failed.
839 if (pAd->MlmeAux.SsidLen == 0)
841 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
842 pAd->MlmeAux.SsidLen = SsidLen;
846 Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel);
848 if (Idx != BSS_NOT_FOUND)
851 // Multiple SSID case, used correct CapabilityInfo
853 CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
856 NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN);
857 pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
858 pAd->MlmeAux.BssType = BssType;
859 pAd->MlmeAux.BeaconPeriod = BeaconPeriod;
860 pAd->MlmeAux.Channel = Channel;
861 pAd->MlmeAux.AtimWin = AtimWin;
862 pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod;
863 pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration;
864 pAd->MlmeAux.APRalinkIe = RalinkIe;
866 // Copy AP's supported rate to MlmeAux for creating assoication request
867 // Also filter out not supported rate
868 pAd->MlmeAux.SupRateLen = SupRateLen;
869 NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
870 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
871 pAd->MlmeAux.ExtRateLen = ExtRateLen;
872 NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
873 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
875 NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16);
876 #ifdef DOT11_N_SUPPORT
877 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
878 pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen;
880 // filter out un-supported ht rates
881 if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) && (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
883 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
884 RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE);
886 // StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability
887 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
888 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
889 pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE;
890 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
891 if (PreNHtCapabilityLen > 0)
892 pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE;
893 RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo);
894 // Copy AP Parameter to StaActive. This is also in LinkUp.
895 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n",
896 pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth));
898 if (AddHtInfoLen > 0)
900 CentralChannel = AddHtInfo.ControlChan;
901 // Check again the Bandwidth capability of this AP.
902 if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
904 CentralChannel = AddHtInfo.ControlChan - 2;
906 else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
908 CentralChannel = AddHtInfo.ControlChan + 2;
912 if (pAd->MlmeAux.CentralChannel != CentralChannel)
913 DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel));
915 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d, .\n", CentralChannel, AddHtInfo.ControlChan));
921 #endif // DOT11_N_SUPPORT //
923 // To prevent error, let legacy AP must have same CentralChannel and Channel.
924 if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0))
925 pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel;
927 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
928 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
929 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
932 RTMPUpdateMlmeRate(pAd);
934 // copy QOS related information
935 if ((pAd->CommonCfg.bWmmCapable)
936 #ifdef DOT11_N_SUPPORT
937 || (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
938 #endif // DOT11_N_SUPPORT //
941 NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM));
942 NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
943 NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
947 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
948 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
949 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
952 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n",
953 pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
957 pAd->StaCfg.CkipFlag = CkipFlag;
959 // Keep TimeStamp for Re-Association used.
960 if (LEAP_CCKM_ON(pAd) && (pAd->StaCfg.CCKMLinkUpFlag == TRUE))
961 pAd->StaCfg.CCKMBeaconAtJoinTimeStamp = TimeStamp;
962 #endif // LEAP_SUPPORT //
964 if (AironetCellPowerLimit != 0xFF)
966 //We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power
967 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
969 else //Used the default TX Power Percentage.
970 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
972 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
973 Status = MLME_SUCCESS;
974 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
976 // not to me BEACON, ignored
978 // sanity check fail, ignore this frame
982 ==========================================================================
984 receive BEACON from peer
986 IRQL = DISPATCH_LEVEL
988 ==========================================================================
991 IN PRTMP_ADAPTER pAd,
992 IN MLME_QUEUE_ELEM *Elem)
994 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
995 CHAR Ssid[MAX_LEN_OF_SSID];
997 UCHAR SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0;
998 UCHAR DtimCount=0, DtimPeriod=0, BcastFlag=0;
999 USHORT CapabilityInfo, AtimWin, BeaconPeriod;
1000 LARGE_INTEGER TimeStamp;
1001 USHORT TbttNumToNextWakeUp;
1003 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
1004 UCHAR SupRateLen, ExtRateLen;
1007 UCHAR AironetCellPowerLimit;
1009 QBSS_LOAD_PARM QbssLoad;
1010 QOS_CAPABILITY_PARM QosCapability;
1012 // New for WPA security suites
1013 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
1014 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
1015 HT_CAPABILITY_IE HtCapability;
1016 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
1017 UCHAR HtCapabilityLen, PreNHtCapabilityLen;
1019 UCHAR NewExtChannelOffset = 0xff;
1027 #endif // RALINK_ATE //
1029 if (!(INFRA_ON(pAd) || ADHOC_ON(pAd)
1033 // Init Variable IE structure
1034 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
1036 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
1037 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
1039 if (PeerBeaconAndProbeRspSanity(pAd,
1065 &AironetCellPowerLimit,
1071 &PreNHtCapabilityLen,
1075 &NewExtChannelOffset,
1079 BOOLEAN is_my_bssid, is_my_ssid;
1082 CHAR RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
1084 is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE;
1085 is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE;
1088 // ignore BEACON not for my SSID
1089 if ((! is_my_ssid) && (! is_my_bssid))
1092 // It means STA waits disassoc completely from this AP, ignores this beacon.
1093 if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC)
1096 #ifdef DOT11_N_SUPPORT
1097 // Copy Control channel for this BSSID.
1098 if (AddHtInfoLen != 0)
1099 Channel = AddHtInfo.ControlChan;
1101 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
1102 HtCapabilityLen = SIZE_HT_CAP_IE;
1103 #endif // DOT11_N_SUPPORT //
1106 // Housekeeping "SsidBssTab" table for later-on ROAMing usage.
1108 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1109 if (Bssidx == BSS_NOT_FOUND)
1111 // discover new AP of this network, create BSS entry
1112 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1113 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,
1114 &HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel,
1115 RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability,
1116 &QbssLoad, LenVIE, pVIE);
1117 if (Bssidx == BSS_NOT_FOUND) // return if BSS table full
1120 NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4);
1121 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
1122 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
1128 if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
1130 // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
1131 // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
1132 AsicSwitchChannel(pAd, 1, FALSE);
1133 AsicLockChannel(pAd, 1);
1134 LinkDown(pAd, FALSE);
1135 MlmeQueueInit(&pAd->Mlme.Queue);
1136 BssTableInit(&pAd->ScanTab);
1137 RTMPusecDelay(1000000); // use delay to prevent STA do reassoc
1139 // channel sanity check
1140 for (index = 0 ; index < pAd->ChannelListNum; index++)
1142 if (pAd->ChannelList[index].Channel == NewChannel)
1144 pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
1145 pAd->CommonCfg.Channel = NewChannel;
1146 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
1147 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
1148 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
1153 if (index >= pAd->ChannelListNum)
1155 DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
1159 // if the ssid matched & bssid unmatched, we should select the bssid with large value.
1160 // This might happened when two STA start at the same time
1161 if ((! is_my_bssid) && ADHOC_ON(pAd))
1165 // Add the safeguard against the mismatch of adhoc wep status
1166 if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus)
1171 // collapse into the ADHOC network which has bigger BSSID value.
1172 for (i = 0; i < 6; i++)
1174 if (Bssid[i] > pAd->CommonCfg.Bssid[i])
1176 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - merge to the IBSS with bigger BSSID=%02x:%02x:%02x:%02x:%02x:%02x\n",
1177 Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5]));
1178 AsicDisableSync(pAd);
1179 COPY_MAC_ADDR(pAd->CommonCfg.Bssid, Bssid);
1180 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1181 MakeIbssBeacon(pAd); // re-build BEACON frame
1182 AsicEnableIbssSync(pAd); // copy BEACON frame to on-chip memory
1186 else if (Bssid[i] < pAd->CommonCfg.Bssid[i])
1192 NdisGetSystemUpTime(&Now);
1193 pBss = &pAd->ScanTab.BssEntry[Bssidx];
1194 pBss->Rssi = RealRssi; // lastest RSSI
1195 pBss->LastBeaconRxTime = Now; // last RX timestamp
1198 // BEACON from my BSSID - either IBSS or INFRA network
1204 pAd->StaCfg.DtimCount = DtimCount;
1205 pAd->StaCfg.DtimPeriod = DtimPeriod;
1206 pAd->StaCfg.LastBeaconRxTime = Now;
1209 RxWI.RSSI0 = Elem->Rssi0;
1210 RxWI.RSSI1 = Elem->Rssi1;
1211 RxWI.RSSI2 = Elem->Rssi2;
1213 Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI);
1214 if (AironetCellPowerLimit != 0xFF)
1217 // We get the Cisco (ccx) "TxPower Limit" required
1218 // Changed to appropriate TxPower Limit for Ciso Compatible Extensions
1220 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
1225 // AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist.
1226 // Used the default TX Power Percentage, that set from UI.
1228 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
1231 // at least one 11b peer joined. downgrade the MaxTxRate to 11Mbps
1232 // after last 11b peer left for several seconds, we'll auto switch back to 11G rate
1233 // in MlmePeriodicExec()
1234 if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo)))
1244 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.MaxTxRate > RATE_11))
1246 if (pAd->StaCfg.AdhocBOnlyJoined == FALSE)
1248 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11b peer joined. down-grade to 11b TX rates \n"));
1250 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1251 pAd->StaActive.SupRateLen = SupRateLen;
1252 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1253 pAd->StaActive.ExtRateLen = ExtRateLen;
1254 pAd->StaCfg.AdhocBOnlyJoined = TRUE;
1255 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1256 AsicSetEdcaParm(pAd, NULL);
1259 // this timestamp is for MlmePeriodicExec() to check if all 11B peers have left
1260 pAd->StaCfg.Last11bBeaconRxTime = Now;
1263 #ifdef DOT11_N_SUPPORT
1265 if ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
1267 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) &&
1268 !pAd->StaCfg.AdhocBGJoined &&
1269 !pAd->StaCfg.AdhocBOnlyJoined)
1270 AdhocTurnOnQos(pAd);
1272 // Handle rate switch issue when Adhoc mode
1273 if ((SupRateLen+ExtRateLen >= 8) && (HtCapability.MCSSet[0] == 0) && (HtCapability.MCSSet[1] == 0))
1275 if (pAd->StaCfg.AdhocBGJoined == FALSE)
1277 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11g peer joined. down-grade to 11g TX rates \n"));
1279 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1280 pAd->StaActive.SupRateLen = SupRateLen;
1281 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1282 pAd->StaActive.ExtRateLen = ExtRateLen;
1283 pAd->StaCfg.AdhocBGJoined = TRUE;
1284 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1285 AsicSetEdcaParm(pAd, NULL);
1288 // this timestamp is for MlmePeriodicExec() to check if all 11g peers have left
1289 pAd->StaCfg.Last11gBeaconRxTime = Now;
1292 else if (!pAd->StaCfg.AdhocBGJoined &&
1293 !pAd->StaCfg.AdhocBOnlyJoined &&
1294 (pAd->CommonCfg.RegTransmitSetting.field.BW == BW_40) &&
1295 (HtCapability.HtCapInfo.ChannelWidth == BW_20))
1297 if (pAd->StaCfg.Adhoc20NJoined == FALSE)
1299 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
1301 pAd->StaCfg.Adhoc20NJoined = TRUE;
1302 NdisMoveMemory(&pAd->MlmeAux.HtCapability, &HtCapability, SIZE_HT_CAP_IE);
1303 if (AddHtInfoLen != 0)
1304 NdisMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, AddHtInfoLen);
1305 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
1307 RTMPCheckHt(pAd, Elem->Wcid, &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
1308 COPY_HTSETTINGS_FROM_MLME_AUX_TO_ACTIVE_CFG(pAd);
1309 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
1313 // this timestamp is for MlmePeriodicExec() to check if all 20MHz N peers have left
1314 pAd->StaCfg.Last20NBeaconRxTime = Now;
1319 #endif // DOT11_N_SUPPORT //
1321 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
1322 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
1326 // If peer Adhoc is legacy mode, I don't need to call MlmeUpdateHtTxRates no matter I support HT or not
1327 if ((bRestart == TRUE) && (bnRestart == FALSE))
1329 MlmeUpdateTxRates(pAd, FALSE, 0);
1330 MakeIbssBeacon(pAd); // re-build BEACON frame
1331 AsicEnableIbssSync(pAd); // copy to on-chip memory
1333 #ifdef DOT11_N_SUPPORT
1334 else if ((bRestart == TRUE) && (bnRestart == TRUE))
1336 MlmeUpdateTxRates(pAd, FALSE, BSS0);
1337 MlmeUpdateHtTxRates(pAd, BSS0);
1338 MakeIbssBeacon(pAd); // re-build BEACON frame
1339 AsicEnableIbssSync(pAd); // copy to on-chip memory
1341 #endif // DOT11_N_SUPPORT //
1343 // At least another peer in this IBSS, declare MediaState as CONNECTED
1344 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
1346 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
1348 pAd->IndicateMediaState = NdisMediaStateConnected;
1349 RTMP_IndicateMediaState(pAd);
1350 pAd->ExtraInfo = GENERAL_LINK_UP;
1351 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1353 // 2003/03/12 - john
1354 // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
1355 // "site survey" result should always include the current connected network.
1357 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1358 if (Bssidx == BSS_NOT_FOUND)
1360 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1361 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
1362 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
1363 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
1365 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
1368 // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
1369 // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
1370 if (ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID))
1373 MAC_TABLE_ENTRY *pEntry;
1375 // look up the existing table
1376 pEntry = MacTableLookup(pAd, Addr2);
1379 // Another adhoc joining, add to our MAC table.
1380 pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
1383 pEntry->Sst = SST_ASSOC;
1384 idx = pAd->StaCfg.DefaultKeyId;
1385 // After InsertEntry, Write to ASIC on-chip table.
1386 RT28XX_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
1387 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));
1389 pEntry->HTPhyMode.word = pAd->StaCfg.HTPhyMode.word;
1390 if (HtCapabilityLen <= 0)
1392 pEntry->HTPhyMode.field.STBC = 0;
1393 pEntry->HTPhyMode.field.BW = 0;
1394 pEntry->HTPhyMode.field.ShortGI = 0;
1395 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.Channel <= 14))
1397 pEntry->HTPhyMode.field.MODE = MODE_CCK;
1401 pEntry->HTPhyMode.field.MODE = MODE_OFDM;
1403 MlmeUpdateTxRates(pAd, FALSE, 0);
1405 #ifdef DOT11_N_SUPPORT
1408 MlmeUpdateTxRates(pAd, FALSE, 0);
1409 MlmeUpdateHtTxRates(pAd, BSS0);
1411 #endif // DOT11_N_SUPPORT //
1413 #ifdef WPA_SUPPLICANT_SUPPORT
1414 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
1415 if (pAd->StaCfg.WpaSupplicantUP)
1417 union iwreq_data wrqu;
1419 SendAssocIEsToWpaSupplicant(pAd);
1420 memset(&wrqu, 0, sizeof(wrqu));
1421 wrqu.data.flags = RT_ASSOC_EVENT_FLAG;
1422 wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
1424 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
1425 #endif // WPA_SUPPLICANT_SUPPORT //
1427 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
1429 union iwreq_data wrqu;
1430 wext_notify_event_assoc(pAd);
1432 memset(wrqu.ap_addr.sa_data, 0, MAC_ADDR_LEN);
1433 memcpy(wrqu.ap_addr.sa_data, pAd->MlmeAux.Bssid, MAC_ADDR_LEN);
1434 wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
1437 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
1445 BOOLEAN bUseShortSlot, bUseBGProtection;
1447 // decide to use/change to -
1448 // 1. long slot (20 us) or short slot (9 us) time
1449 // 2. turn on/off RTS/CTS and/or CTS-to-self protection
1450 // 3. short preamble
1452 //bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo);
1453 bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo);
1454 if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED))
1455 AsicSetSlotTime(pAd, bUseShortSlot);
1457 bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) || // always use
1458 ((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp));
1460 if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP
1461 bUseBGProtection = FALSE;
1463 if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED))
1465 if (bUseBGProtection)
1467 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1468 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1472 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1473 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1476 DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection));
1479 #ifdef DOT11_N_SUPPORT
1480 // check Ht protection mode. and adhere to the Non-GF device indication by AP.
1481 if ((AddHtInfoLen != 0) &&
1482 ((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) ||
1483 (AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent)))
1485 pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent;
1486 pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode;
1487 if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)
1489 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE);
1492 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
1494 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode));
1496 #endif // DOT11_N_SUPPORT //
1498 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) &&
1499 ERP_IS_USE_BARKER_PREAMBLE(Erp))
1501 MlmeSetTxPreamble(pAd, Rt802_11PreambleLong);
1502 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n"));
1505 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) &&
1506 (EdcaParm.bValid == TRUE) &&
1507 (EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount))
1509 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n",
1510 pAd->CommonCfg.APEdcaParm.EdcaUpdateCount,
1511 EdcaParm.EdcaUpdateCount));
1512 AsicSetEdcaParm(pAd, &EdcaParm);
1515 // copy QOS related information
1516 NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
1517 NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
1520 // only INFRASTRUCTURE mode support power-saving feature
1521 if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave))
1524 // 1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL
1525 // 2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE
1526 // 3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE
1527 // 4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE
1528 // 5. otherwise, put PHY back to sleep to save battery.
1531 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1533 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1535 if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable &&
1536 pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO)
1538 pAd->CommonCfg.bNeedSendTriggerFrame = TRUE;
1541 RT28XX_PS_POLL_ENQUEUE(pAd);
1543 else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM))
1545 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1547 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1550 else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0) ||
1551 (pAd->TxSwQueue[QID_AC_BE].Number != 0) ||
1552 (pAd->TxSwQueue[QID_AC_VI].Number != 0) ||
1553 (pAd->TxSwQueue[QID_AC_VO].Number != 0) ||
1554 (RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1555 (RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1556 (RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1557 (RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1558 (RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS))
1560 // TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme
1561 // can we cheat here (i.e. just check MGMT & AC_BE) for better performance?
1562 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1564 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1569 USHORT NextDtim = DtimCount;
1572 NextDtim = DtimPeriod;
1574 TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount;
1575 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim))
1576 TbttNumToNextWakeUp = NextDtim;
1578 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
1580 // Set a flag to go to sleep . Then after parse this RxDoneInterrupt, will go to sleep mode.
1581 RTMP_SET_PSFLAG(pAd, fRTMP_PS_GO_TO_SLEEP_NOW);
1582 pAd->ThisTbttNumToNextWakeUp = TbttNumToNextWakeUp;
1583 //AsicSleepThenAutoWakeup(pAd, TbttNumToNextWakeUp);
1588 // not my BSSID, ignore it
1590 // sanity check fail, ignore this frame
1594 ==========================================================================
1596 Receive PROBE REQ from remote peer when operating in IBSS mode
1597 ==========================================================================
1599 VOID PeerProbeReqAction(
1600 IN PRTMP_ADAPTER pAd,
1601 IN MLME_QUEUE_ELEM *Elem)
1603 UCHAR Addr2[MAC_ADDR_LEN];
1604 CHAR Ssid[MAX_LEN_OF_SSID];
1606 #ifdef DOT11_N_SUPPORT
1607 UCHAR HtLen, AddHtLen, NewExtLen;
1608 #endif // DOT11_N_SUPPORT //
1609 HEADER_802_11 ProbeRspHdr;
1610 NDIS_STATUS NStatus;
1611 PUCHAR pOutBuffer = NULL;
1613 LARGE_INTEGER FakeTimestamp;
1614 UCHAR DsLen = 1, IbssLen = 2;
1615 UCHAR LocalErpIe[3] = {IE_ERP, 1, 0};
1617 USHORT CapabilityInfo;
1618 UCHAR RSNIe = IE_WPA;
1620 if (! ADHOC_ON(pAd))
1623 if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen))
1625 if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen))
1627 // allocate and send out ProbeRsp frame
1628 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1629 if (NStatus != NDIS_STATUS_SUCCESS)
1632 //pAd->StaCfg.AtimWin = 0; // ??????
1634 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
1635 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
1636 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
1637 CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0);
1639 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1640 sizeof(HEADER_802_11), &ProbeRspHdr,
1641 TIMESTAMP_LEN, &FakeTimestamp,
1642 2, &pAd->CommonCfg.BeaconPeriod,
1645 1, &pAd->CommonCfg.SsidLen,
1646 pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1648 1, &pAd->StaActive.SupRateLen,
1649 pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1652 1, &pAd->CommonCfg.Channel,
1655 2, &pAd->StaActive.AtimWin,
1658 if (pAd->StaActive.ExtRateLen)
1661 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1664 1, &pAd->StaActive.ExtRateLen,
1665 pAd->StaActive.ExtRateLen, &pAd->StaActive.ExtRate,
1670 // If adhoc secruity is set for WPA-None, append the cipher suite IE
1671 if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone)
1674 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1676 1, &pAd->StaCfg.RSNIE_Len,
1677 pAd->StaCfg.RSNIE_Len, pAd->StaCfg.RSN_IE,
1681 #ifdef DOT11_N_SUPPORT
1682 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
1685 UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
1686 HtLen = sizeof(pAd->CommonCfg.HtCapability);
1687 AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
1689 //New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame
1690 if (pAd->bBroadComHT == TRUE)
1692 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1695 pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
1700 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1703 sizeof(HT_CAPABILITY_IE), &pAd->CommonCfg.HtCapability,
1706 sizeof(ADD_HT_INFO_IE), &pAd->CommonCfg.AddHTInfo,
1709 sizeof(NEW_EXT_CHAN_IE), &pAd->CommonCfg.NewExtChanOffset,
1714 #endif // DOT11_N_SUPPORT //
1715 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1716 MlmeFreeMemory(pAd, pOutBuffer);
1721 VOID BeaconTimeoutAtJoinAction(
1722 IN PRTMP_ADAPTER pAd,
1723 IN MLME_QUEUE_ELEM *Elem)
1726 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n"));
1727 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1728 Status = MLME_REJ_TIMEOUT;
1729 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1733 ==========================================================================
1735 Scan timeout procedure. basically add channel index by 1 and rescan
1736 ==========================================================================
1738 VOID ScanTimeoutAction(
1739 IN PRTMP_ADAPTER pAd,
1740 IN MLME_QUEUE_ELEM *Elem)
1742 pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
1744 // Only one channel scanned for CISCO beacon request
1745 if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) ||
1746 (pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) ||
1747 (pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) ||
1748 (pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD))
1749 pAd->MlmeAux.Channel = 0;
1751 // this routine will stop if pAd->MlmeAux.Channel == 0
1752 ScanNextChannel(pAd);
1756 ==========================================================================
1758 ==========================================================================
1760 VOID InvalidStateWhenScan(
1761 IN PRTMP_ADAPTER pAd,
1762 IN MLME_QUEUE_ELEM *Elem)
1765 DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1766 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1767 Status = MLME_STATE_MACHINE_REJECT;
1768 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
1772 ==========================================================================
1774 ==========================================================================
1776 VOID InvalidStateWhenJoin(
1777 IN PRTMP_ADAPTER pAd,
1778 IN MLME_QUEUE_ELEM *Elem)
1781 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(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_JOIN_CONF, 2, &Status);
1788 ==========================================================================
1790 ==========================================================================
1792 VOID InvalidStateWhenStart(
1793 IN PRTMP_ADAPTER pAd,
1794 IN MLME_QUEUE_ELEM *Elem)
1797 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(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_START_CONF, 2, &Status);
1804 ==========================================================================
1807 IRQL = DISPATCH_LEVEL
1809 ==========================================================================
1812 IN PRTMP_ADAPTER pAd)
1819 #endif // RALINK_ATE //
1822 if (pAd->StaCfg.WindowsPowerMode == Ndis802_11PowerModeLegacy_PSP)
1823 pAd->PsPollFrame.FC.PwrMgmt = PWR_SAVE;
1824 MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME));
1829 ==========================================================================
1831 ==========================================================================
1833 VOID EnqueueProbeRequest(
1834 IN PRTMP_ADAPTER pAd)
1839 HEADER_802_11 Hdr80211;
1841 DBGPRINT(RT_DEBUG_TRACE, ("force out a ProbeRequest ...\n"));
1843 NState = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1844 if (NState == NDIS_STATUS_SUCCESS)
1846 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
1848 // this ProbeRequest explicitly specify SSID to reduce unwanted ProbeResponse
1849 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1850 sizeof(HEADER_802_11), &Hdr80211,
1852 1, &pAd->CommonCfg.SsidLen,
1853 pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1855 1, &pAd->StaActive.SupRateLen,
1856 pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1858 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1859 MlmeFreeMemory(pAd, pOutBuffer);
1864 #ifdef DOT11_N_SUPPORT
1865 #ifdef DOT11N_DRAFT3
1866 VOID BuildEffectedChannelList(
1867 IN PRTMP_ADAPTER pAd)
1871 UCHAR UpperChannel = 0, LowerChannel = 0;
1873 RTMPZeroMemory(EChannel, 11);
1875 // Find upper channel and lower channel.
1876 if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel)
1878 UpperChannel = pAd->CommonCfg.Channel;
1879 LowerChannel = pAd->CommonCfg.CentralChannel;
1881 else if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel)
1883 UpperChannel = pAd->CommonCfg.CentralChannel;
1884 LowerChannel = pAd->CommonCfg.Channel;
1891 // Record channels that is below lower channel..
1892 if (LowerChannel > 1)
1894 EChannel[0] = LowerChannel - 1;
1896 if (LowerChannel > 2)
1898 EChannel[1] = LowerChannel - 2;
1900 if (LowerChannel > 3)
1902 EChannel[2] = LowerChannel - 3;
1907 // Record channels that is between lower channel and upper channel.
1908 for (k = LowerChannel;k < UpperChannel;k++)
1913 // Record channels that is above upper channel..
1914 if (LowerChannel < 11)
1916 EChannel[i] = UpperChannel + 1;
1918 if (LowerChannel < 10)
1920 EChannel[i] = LowerChannel + 2;
1922 if (LowerChannel < 9)
1924 EChannel[i] = LowerChannel + 3;
1930 for (j = 0;j < i;j++)
1932 for (k = 0;k < pAd->ChannelListNum;k++)
1934 if (pAd->ChannelList[k].Channel == EChannel[j])
1936 pAd->ChannelList[k].bEffectedChannel = TRUE;
1937 DBGPRINT(RT_DEBUG_TRACE,(" EffectedChannel( =%d)\n", EChannel[j]));
1943 #endif // DOT11N_DRAFT3 //
1944 #endif // DOT11_N_SUPPORT //
1946 BOOLEAN ScanRunning(
1947 IN PRTMP_ADAPTER pAd)
1949 return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE;