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++;
232 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
234 (pAd->StaCfg.bRadio == TRUE) &&
235 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
237 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
241 // first check the parameter sanity
242 if (MlmeScanReqSanity(pAd,
251 // Check for channel load and noise hist request
252 // Suspend MSDU only at scan request, not the last two mentioned
253 if ((ScanType == SCAN_CISCO_NOISE) || (ScanType == SCAN_CISCO_CHANNEL_LOAD))
255 if (pAd->StaCfg.CCXScanChannel != pAd->CommonCfg.Channel)
256 RTMPSuspendMsduTransmission(pAd); // Suspend MSDU transmission here
260 // Suspend MSDU transmission here
261 RTMPSuspendMsduTransmission(pAd);
265 // To prevent data lost.
266 // Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
267 // And should send an NULL data with turned PSM bit off to AP, when scan progress done
269 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
271 NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
272 if (NStatus == NDIS_STATUS_SUCCESS)
274 pHdr80211 = (PHEADER_802_11) pOutBuffer;
275 MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
276 pHdr80211->Duration = 0;
277 pHdr80211->FC.Type = BTYPE_DATA;
278 pHdr80211->FC.PwrMgmt = PWR_SAVE;
280 // Send using priority queue
281 MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
282 DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n"));
283 MlmeFreeMemory(pAd, pOutBuffer);
288 NdisGetSystemUpTime(&Now);
289 pAd->StaCfg.LastScanTime = Now;
290 // reset all the timers
291 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
292 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
294 // record desired BSS parameters
295 pAd->MlmeAux.BssType = BssType;
296 pAd->MlmeAux.ScanType = ScanType;
297 pAd->MlmeAux.SsidLen = SsidLen;
298 NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
299 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
301 // start from the first channel
302 pAd->MlmeAux.Channel = FirstChannel(pAd);
304 // Change the scan channel when dealing with CCX beacon report
305 if ((ScanType == SCAN_CISCO_PASSIVE) || (ScanType == SCAN_CISCO_ACTIVE) ||
306 (ScanType == SCAN_CISCO_CHANNEL_LOAD) || (ScanType == SCAN_CISCO_NOISE))
307 pAd->MlmeAux.Channel = pAd->StaCfg.CCXScanChannel;
309 // Let BBP register at 20MHz to do scan
310 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
312 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
313 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
314 ScanNextChannel(pAd);
318 DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n"));
319 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
320 Status = MLME_INVALID_FORMAT;
321 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
326 ==========================================================================
328 MLME JOIN req state machine procedure
329 ==========================================================================
331 VOID MlmeJoinReqAction(
332 IN PRTMP_ADAPTER pAd,
333 IN MLME_QUEUE_ELEM *Elem)
337 BOOLEAN TimerCancelled;
338 HEADER_802_11 Hdr80211;
341 PUCHAR pOutBuffer = NULL;
342 PUCHAR pSupRate = NULL;
344 PUCHAR pExtRate = NULL;
346 UCHAR ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C};
347 UCHAR ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR);
348 MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg);
350 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx));
353 if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE)) &&
355 (pAd->StaCfg.bRadio == TRUE) &&
356 (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
358 RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
362 // reset all the timers
363 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
364 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
366 pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx];
368 // record the desired SSID & BSSID we're waiting for
369 COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid);
371 // If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again.
372 if (pBss->Hidden == 0)
374 NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen);
375 pAd->MlmeAux.SsidLen = pBss->SsidLen;
378 pAd->MlmeAux.BssType = pBss->BssType;
379 pAd->MlmeAux.Channel = pBss->Channel;
380 pAd->MlmeAux.CentralChannel = pBss->CentralChannel;
382 #ifdef EXT_BUILD_CHANNEL_LIST
383 // Country IE of the AP will be evaluated and will be used.
384 if ((pAd->StaCfg.IEEE80211dClientMode != Rt802_11_D_None) &&
385 (pBss->bHasCountryIE == TRUE))
387 NdisMoveMemory(&pAd->CommonCfg.CountryCode[0], &pBss->CountryString[0], 2);
388 if (pBss->CountryString[2] == 'I')
389 pAd->CommonCfg.Geography = IDOR;
390 else if (pBss->CountryString[2] == 'O')
391 pAd->CommonCfg.Geography = ODOR;
393 pAd->CommonCfg.Geography = BOTH;
394 BuildChannelListEx(pAd);
396 #endif // EXT_BUILD_CHANNEL_LIST //
398 // Let BBP register at 20MHz to do scan
399 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
401 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
402 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
404 // switch channel and waiting for beacon timer
405 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
406 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
407 RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT);
411 if (((pAd->CommonCfg.bIEEE80211H == 1) &&
412 (pAd->MlmeAux.Channel > 14) &&
413 RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
414 #ifdef CARRIER_DETECTION_SUPPORT // Roger sync Carrier
415 || (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
416 #endif // CARRIER_DETECTION_SUPPORT //
420 // We can't send any Probe request frame to meet 802.11h.
422 if (pBss->Hidden == 0)
427 // send probe request
429 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
430 if (NStatus == NDIS_STATUS_SUCCESS)
432 if (pAd->MlmeAux.Channel <= 14)
434 pSupRate = pAd->CommonCfg.SupRate;
435 SupRateLen = pAd->CommonCfg.SupRateLen;
436 pExtRate = pAd->CommonCfg.ExtRate;
437 ExtRateLen = pAd->CommonCfg.ExtRateLen;
442 // Overwrite Support Rate, CCK rate are not allowed
445 SupRateLen = ASupRateLen;
449 if (pAd->MlmeAux.BssType == BSS_INFRA)
450 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid);
452 MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
454 MakeOutgoingFrame(pOutBuffer, &FrameLen,
455 sizeof(HEADER_802_11), &Hdr80211,
457 1, &pAd->MlmeAux.SsidLen,
458 pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid,
461 SupRateLen, pSupRate,
467 MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
470 ExtRateLen, pExtRate,
476 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
477 MlmeFreeMemory(pAd, pOutBuffer);
481 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n",
482 pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5]));
484 pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON;
488 ==========================================================================
490 MLME START Request state machine procedure, starting an IBSS
491 ==========================================================================
493 VOID MlmeStartReqAction(
494 IN PRTMP_ADAPTER pAd,
495 IN MLME_QUEUE_ELEM *Elem)
497 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen;
498 BOOLEAN TimerCancelled;
500 // New for WPA security suites
501 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
502 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
503 LARGE_INTEGER TimeStamp;
507 // Init Variable IE structure
508 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
510 TimeStamp.u.LowPart = 0;
511 TimeStamp.u.HighPart = 0;
513 if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, Ssid, &SsidLen))
515 // reset all the timers
516 RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
517 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
520 // Start a new IBSS. All IBSS parameters are decided now....
522 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n"));
523 pAd->MlmeAux.BssType = BSS_ADHOC;
524 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
525 pAd->MlmeAux.SsidLen = SsidLen;
527 // generate a radom number as BSSID
528 MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid);
529 DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n"));
531 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
532 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
533 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
534 pAd->MlmeAux.CapabilityInfo = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0);
535 pAd->MlmeAux.BeaconPeriod = pAd->CommonCfg.BeaconPeriod;
536 pAd->MlmeAux.AtimWin = pAd->StaCfg.AtimWin;
537 pAd->MlmeAux.Channel = pAd->CommonCfg.Channel;
539 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
540 pAd->MlmeAux.CentralChannel = pAd->CommonCfg.CentralChannel;
542 pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen;
543 NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES);
544 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
545 pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen;
546 NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
547 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
548 #ifdef DOT11_N_SUPPORT
549 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
551 RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
552 pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE);
553 // Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here.
554 DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n"));
557 #endif // DOT11_N_SUPPORT //
559 pAd->MlmeAux.HtCapabilityLen = 0;
560 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
562 // temporarily not support QOS in IBSS
563 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
564 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
565 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
567 AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
568 AsicLockChannel(pAd, pAd->MlmeAux.Channel);
570 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n",
571 pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
573 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
574 Status = MLME_SUCCESS;
575 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
579 DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n"));
580 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
581 Status = MLME_INVALID_FORMAT;
582 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
587 ==========================================================================
589 peer sends beacon back when scanning
590 ==========================================================================
592 VOID PeerBeaconAtScanAction(
593 IN PRTMP_ADAPTER pAd,
594 IN MLME_QUEUE_ELEM *Elem)
596 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
597 UCHAR Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel,
598 SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe;
600 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
601 PFRAME_802_11 pFrame;
602 LARGE_INTEGER TimeStamp;
604 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
605 UCHAR SupRateLen, ExtRateLen;
608 UCHAR AironetCellPowerLimit;
610 QBSS_LOAD_PARM QbssLoad;
611 QOS_CAPABILITY_PARM QosCapability;
613 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
614 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
615 HT_CAPABILITY_IE HtCapability;
616 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
617 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
619 UCHAR NewExtChannelOffset = 0xff;
621 pFrame = (PFRAME_802_11) Elem->Msg;
622 // Init Variable IE structure
623 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
625 #ifdef DOT11_N_SUPPORT
626 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
627 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
628 #endif // DOT11_N_SUPPORT //
630 if (PeerBeaconAndProbeRspSanity(pAd,
656 &AironetCellPowerLimit,
662 &PreNHtCapabilityLen,
666 &NewExtChannelOffset,
673 Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
674 if (Idx != BSS_NOT_FOUND)
675 Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;
677 Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
680 #ifdef DOT11_N_SUPPORT
681 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
682 HtCapabilityLen = SIZE_HT_CAP_IE;
683 #endif // DOT11_N_SUPPORT //
684 if ((pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED) && (Channel == pAd->StaCfg.CCXScanChannel))
686 Idx = BssTableSetEntry(pAd, &pAd->StaCfg.CCXBssTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
687 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen,ExtRate, ExtRateLen, &HtCapability,
688 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
689 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
690 if (Idx != BSS_NOT_FOUND)
692 NdisMoveMemory(pAd->StaCfg.CCXBssTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
693 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
694 NdisMoveMemory(&pAd->StaCfg.CCXBssTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
695 if (pAd->StaCfg.CCXReqType == MSRN_TYPE_BEACON_REQ)
696 AironetAddBeaconReport(pAd, Idx, Elem);
701 Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
702 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
703 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
704 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
705 #ifdef DOT11_N_SUPPORT
707 if (pAd->ChannelList[pAd->CommonCfg.ChannelListIdx].bEffectedChannel == TRUE)
710 PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &RegClass);
711 TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, Bssid, &HtCapability, HtCapabilityLen, RegClass, Channel);
713 #endif // DOT11N_DRAFT3 //
714 #endif // DOT11_N_SUPPORT //
715 if (Idx != BSS_NOT_FOUND)
717 NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
718 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
719 NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
723 // sanity check fail, ignored
727 ==========================================================================
729 When waiting joining the (I)BSS, beacon received from external
730 ==========================================================================
732 VOID PeerBeaconAtJoinAction(
733 IN PRTMP_ADAPTER pAd,
734 IN MLME_QUEUE_ELEM *Elem)
736 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
737 UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe,
738 DtimCount, DtimPeriod, BcastFlag, NewChannel;
739 LARGE_INTEGER TimeStamp;
740 USHORT BeaconPeriod, AtimWin, CapabilityInfo;
742 BOOLEAN TimerCancelled;
744 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
745 UCHAR SupRateLen, ExtRateLen;
748 UCHAR AironetCellPowerLimit;
750 QBSS_LOAD_PARM QbssLoad;
751 QOS_CAPABILITY_PARM QosCapability;
753 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
754 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
757 HT_CAPABILITY_IE HtCapability;
758 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
759 UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
761 UCHAR NewExtChannelOffset = 0xff;
762 #ifdef DOT11_N_SUPPORT
763 UCHAR CentralChannel;
764 #endif // DOT11_N_SUPPORT //
766 // Init Variable IE structure
767 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
769 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
770 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
773 if (PeerBeaconAndProbeRspSanity(pAd,
799 &AironetCellPowerLimit,
805 &PreNHtCapabilityLen,
809 &NewExtChannelOffset,
813 // Disqualify 11b only adhoc when we are in 11g only adhoc mode
814 if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12))
817 // BEACON from desired BSS/IBSS found. We should be able to decide most
818 // BSS parameters here.
819 // Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION?
820 // Do we need to receover back all parameters belonging to previous BSS?
821 // A. Should be not. There's no back-door recover to previous AP. It still need
822 // a new JOIN-AUTH-ASSOC sequence.
823 if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid))
825 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel));
826 RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
828 // Update RSSI to prevent No signal display when cards first initialized
829 pAd->StaCfg.RssiSample.LastRssi0 = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0);
830 pAd->StaCfg.RssiSample.LastRssi1 = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1);
831 pAd->StaCfg.RssiSample.LastRssi2 = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2);
832 pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0;
833 pAd->StaCfg.RssiSample.AvgRssi0X8 = pAd->StaCfg.RssiSample.AvgRssi0 << 3;
834 pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1;
835 pAd->StaCfg.RssiSample.AvgRssi1X8 = pAd->StaCfg.RssiSample.AvgRssi1 << 3;
836 pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2;
837 pAd->StaCfg.RssiSample.AvgRssi2X8 = pAd->StaCfg.RssiSample.AvgRssi2 << 3;
840 // We need to check if SSID only set to any, then we can record the current SSID.
841 // Otherwise will cause hidden SSID association failed.
843 if (pAd->MlmeAux.SsidLen == 0)
845 NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
846 pAd->MlmeAux.SsidLen = SsidLen;
850 Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel);
852 if (Idx != BSS_NOT_FOUND)
855 // Multiple SSID case, used correct CapabilityInfo
857 CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
860 NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN);
861 pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
862 pAd->MlmeAux.BssType = BssType;
863 pAd->MlmeAux.BeaconPeriod = BeaconPeriod;
864 pAd->MlmeAux.Channel = Channel;
865 pAd->MlmeAux.AtimWin = AtimWin;
866 pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod;
867 pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration;
868 pAd->MlmeAux.APRalinkIe = RalinkIe;
870 // Copy AP's supported rate to MlmeAux for creating assoication request
871 // Also filter out not supported rate
872 pAd->MlmeAux.SupRateLen = SupRateLen;
873 NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
874 RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
875 pAd->MlmeAux.ExtRateLen = ExtRateLen;
876 NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
877 RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
879 NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16);
880 #ifdef DOT11_N_SUPPORT
881 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
882 pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen;
884 // filter out un-supported ht rates
885 if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) && (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
887 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
888 RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE);
890 // StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability
891 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
892 pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
893 pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE;
894 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
895 if (PreNHtCapabilityLen > 0)
896 pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE;
897 RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo);
898 // Copy AP Parameter to StaActive. This is also in LinkUp.
899 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n",
900 pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth));
902 if (AddHtInfoLen > 0)
904 CentralChannel = AddHtInfo.ControlChan;
905 // Check again the Bandwidth capability of this AP.
906 if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
908 CentralChannel = AddHtInfo.ControlChan - 2;
910 else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
912 CentralChannel = AddHtInfo.ControlChan + 2;
916 if (pAd->MlmeAux.CentralChannel != CentralChannel)
917 DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel));
919 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d, .\n", CentralChannel, AddHtInfo.ControlChan));
925 #endif // DOT11_N_SUPPORT //
927 // To prevent error, let legacy AP must have same CentralChannel and Channel.
928 if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0))
929 pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel;
931 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
932 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
933 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
936 RTMPUpdateMlmeRate(pAd);
938 // copy QOS related information
939 if ((pAd->CommonCfg.bWmmCapable)
940 #ifdef DOT11_N_SUPPORT
941 || (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
942 #endif // DOT11_N_SUPPORT //
945 NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM));
946 NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
947 NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
951 NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
952 NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
953 NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
956 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n",
957 pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
961 pAd->StaCfg.CkipFlag = CkipFlag;
963 // Keep TimeStamp for Re-Association used.
964 if (LEAP_CCKM_ON(pAd) && (pAd->StaCfg.CCKMLinkUpFlag == TRUE))
965 pAd->StaCfg.CCKMBeaconAtJoinTimeStamp = TimeStamp;
966 #endif // LEAP_SUPPORT //
968 if (AironetCellPowerLimit != 0xFF)
970 //We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power
971 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
973 else //Used the default TX Power Percentage.
974 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
976 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
977 Status = MLME_SUCCESS;
978 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
980 // not to me BEACON, ignored
982 // sanity check fail, ignore this frame
986 ==========================================================================
988 receive BEACON from peer
990 IRQL = DISPATCH_LEVEL
992 ==========================================================================
995 IN PRTMP_ADAPTER pAd,
996 IN MLME_QUEUE_ELEM *Elem)
998 UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
999 CHAR Ssid[MAX_LEN_OF_SSID];
1001 UCHAR SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0;
1002 UCHAR DtimCount=0, DtimPeriod=0, BcastFlag=0;
1003 USHORT CapabilityInfo, AtimWin, BeaconPeriod;
1004 LARGE_INTEGER TimeStamp;
1005 USHORT TbttNumToNextWakeUp;
1007 UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
1008 UCHAR SupRateLen, ExtRateLen;
1011 UCHAR AironetCellPowerLimit;
1013 QBSS_LOAD_PARM QbssLoad;
1014 QOS_CAPABILITY_PARM QosCapability;
1016 // New for WPA security suites
1017 UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
1018 NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
1019 HT_CAPABILITY_IE HtCapability;
1020 ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
1021 UCHAR HtCapabilityLen, PreNHtCapabilityLen;
1023 UCHAR NewExtChannelOffset = 0xff;
1031 #endif // RALINK_ATE //
1033 if (!(INFRA_ON(pAd) || ADHOC_ON(pAd)
1037 // Init Variable IE structure
1038 pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
1040 RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
1041 RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
1043 if (PeerBeaconAndProbeRspSanity(pAd,
1069 &AironetCellPowerLimit,
1075 &PreNHtCapabilityLen,
1079 &NewExtChannelOffset,
1083 BOOLEAN is_my_bssid, is_my_ssid;
1086 CHAR RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
1088 is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE;
1089 is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE;
1092 // ignore BEACON not for my SSID
1093 if ((! is_my_ssid) && (! is_my_bssid))
1096 // It means STA waits disassoc completely from this AP, ignores this beacon.
1097 if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC)
1100 #ifdef DOT11_N_SUPPORT
1101 // Copy Control channel for this BSSID.
1102 if (AddHtInfoLen != 0)
1103 Channel = AddHtInfo.ControlChan;
1105 if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
1106 HtCapabilityLen = SIZE_HT_CAP_IE;
1107 #endif // DOT11_N_SUPPORT //
1110 // Housekeeping "SsidBssTab" table for later-on ROAMing usage.
1112 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1113 if (Bssidx == BSS_NOT_FOUND)
1115 // discover new AP of this network, create BSS entry
1116 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1117 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,
1118 &HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel,
1119 RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability,
1120 &QbssLoad, LenVIE, pVIE);
1121 if (Bssidx == BSS_NOT_FOUND) // return if BSS table full
1124 NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4);
1125 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
1126 NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
1132 if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
1134 // Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
1135 // In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
1136 AsicSwitchChannel(pAd, 1, FALSE);
1137 AsicLockChannel(pAd, 1);
1138 LinkDown(pAd, FALSE);
1139 MlmeQueueInit(&pAd->Mlme.Queue);
1140 BssTableInit(&pAd->ScanTab);
1141 RTMPusecDelay(1000000); // use delay to prevent STA do reassoc
1143 // channel sanity check
1144 for (index = 0 ; index < pAd->ChannelListNum; index++)
1146 if (pAd->ChannelList[index].Channel == NewChannel)
1148 pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
1149 pAd->CommonCfg.Channel = NewChannel;
1150 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
1151 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
1152 DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
1157 if (index >= pAd->ChannelListNum)
1159 DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
1163 // if the ssid matched & bssid unmatched, we should select the bssid with large value.
1164 // This might happened when two STA start at the same time
1165 if ((! is_my_bssid) && ADHOC_ON(pAd))
1169 // Add the safeguard against the mismatch of adhoc wep status
1170 if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus)
1175 // collapse into the ADHOC network which has bigger BSSID value.
1176 for (i = 0; i < 6; i++)
1178 if (Bssid[i] > pAd->CommonCfg.Bssid[i])
1180 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - merge to the IBSS with bigger BSSID=%02x:%02x:%02x:%02x:%02x:%02x\n",
1181 Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5]));
1182 AsicDisableSync(pAd);
1183 COPY_MAC_ADDR(pAd->CommonCfg.Bssid, Bssid);
1184 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1185 MakeIbssBeacon(pAd); // re-build BEACON frame
1186 AsicEnableIbssSync(pAd); // copy BEACON frame to on-chip memory
1190 else if (Bssid[i] < pAd->CommonCfg.Bssid[i])
1196 NdisGetSystemUpTime(&Now);
1197 pBss = &pAd->ScanTab.BssEntry[Bssidx];
1198 pBss->Rssi = RealRssi; // lastest RSSI
1199 pBss->LastBeaconRxTime = Now; // last RX timestamp
1202 // BEACON from my BSSID - either IBSS or INFRA network
1208 pAd->StaCfg.DtimCount = DtimCount;
1209 pAd->StaCfg.DtimPeriod = DtimPeriod;
1210 pAd->StaCfg.LastBeaconRxTime = Now;
1213 RxWI.RSSI0 = Elem->Rssi0;
1214 RxWI.RSSI1 = Elem->Rssi1;
1215 RxWI.RSSI2 = Elem->Rssi2;
1217 Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI);
1218 if (AironetCellPowerLimit != 0xFF)
1221 // We get the Cisco (ccx) "TxPower Limit" required
1222 // Changed to appropriate TxPower Limit for Ciso Compatible Extensions
1224 ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
1229 // AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist.
1230 // Used the default TX Power Percentage, that set from UI.
1232 pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
1235 // at least one 11b peer joined. downgrade the MaxTxRate to 11Mbps
1236 // after last 11b peer left for several seconds, we'll auto switch back to 11G rate
1237 // in MlmePeriodicExec()
1238 if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo)))
1248 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.MaxTxRate > RATE_11))
1250 if (pAd->StaCfg.AdhocBOnlyJoined == FALSE)
1252 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11b peer joined. down-grade to 11b TX rates \n"));
1254 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1255 pAd->StaActive.SupRateLen = SupRateLen;
1256 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1257 pAd->StaActive.ExtRateLen = ExtRateLen;
1258 pAd->StaCfg.AdhocBOnlyJoined = TRUE;
1259 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1260 AsicSetEdcaParm(pAd, NULL);
1263 // this timestamp is for MlmePeriodicExec() to check if all 11B peers have left
1264 pAd->StaCfg.Last11bBeaconRxTime = Now;
1267 #ifdef DOT11_N_SUPPORT
1269 if ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED))
1271 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) &&
1272 !pAd->StaCfg.AdhocBGJoined &&
1273 !pAd->StaCfg.AdhocBOnlyJoined)
1274 AdhocTurnOnQos(pAd);
1276 // Handle rate switch issue when Adhoc mode
1277 if ((SupRateLen+ExtRateLen >= 8) && (HtCapability.MCSSet[0] == 0) && (HtCapability.MCSSet[1] == 0))
1279 if (pAd->StaCfg.AdhocBGJoined == FALSE)
1281 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - 11g peer joined. down-grade to 11g TX rates \n"));
1283 NdisMoveMemory(pAd->StaActive.SupRate, SupRate, MAX_LEN_OF_SUPPORTED_RATES);
1284 pAd->StaActive.SupRateLen = SupRateLen;
1285 NdisMoveMemory(pAd->StaActive.ExtRate, ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
1286 pAd->StaActive.ExtRateLen = ExtRateLen;
1287 pAd->StaCfg.AdhocBGJoined = TRUE;
1288 pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
1289 AsicSetEdcaParm(pAd, NULL);
1292 // this timestamp is for MlmePeriodicExec() to check if all 11g peers have left
1293 pAd->StaCfg.Last11gBeaconRxTime = Now;
1296 else if (!pAd->StaCfg.AdhocBGJoined &&
1297 !pAd->StaCfg.AdhocBOnlyJoined &&
1298 (pAd->CommonCfg.RegTransmitSetting.field.BW == BW_40) &&
1299 (HtCapability.HtCapInfo.ChannelWidth == BW_20))
1301 if (pAd->StaCfg.Adhoc20NJoined == FALSE)
1303 pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
1305 pAd->StaCfg.Adhoc20NJoined = TRUE;
1306 NdisMoveMemory(&pAd->MlmeAux.HtCapability, &HtCapability, SIZE_HT_CAP_IE);
1307 if (AddHtInfoLen != 0)
1308 NdisMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, AddHtInfoLen);
1309 NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
1311 RTMPCheckHt(pAd, Elem->Wcid, &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
1312 COPY_HTSETTINGS_FROM_MLME_AUX_TO_ACTIVE_CFG(pAd);
1313 pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
1317 // this timestamp is for MlmePeriodicExec() to check if all 20MHz N peers have left
1318 pAd->StaCfg.Last20NBeaconRxTime = Now;
1323 #endif // DOT11_N_SUPPORT //
1325 RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
1326 RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
1330 // If peer Adhoc is legacy mode, I don't need to call MlmeUpdateHtTxRates no matter I support HT or not
1331 if ((bRestart == TRUE) && (bnRestart == FALSE))
1333 MlmeUpdateTxRates(pAd, FALSE, 0);
1334 MakeIbssBeacon(pAd); // re-build BEACON frame
1335 AsicEnableIbssSync(pAd); // copy to on-chip memory
1337 #ifdef DOT11_N_SUPPORT
1338 else if ((bRestart == TRUE) && (bnRestart == TRUE))
1340 MlmeUpdateTxRates(pAd, FALSE, BSS0);
1341 MlmeUpdateHtTxRates(pAd, BSS0);
1342 MakeIbssBeacon(pAd); // re-build BEACON frame
1343 AsicEnableIbssSync(pAd); // copy to on-chip memory
1345 #endif // DOT11_N_SUPPORT //
1347 // At least another peer in this IBSS, declare MediaState as CONNECTED
1348 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
1350 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
1352 pAd->IndicateMediaState = NdisMediaStateConnected;
1353 RTMP_IndicateMediaState(pAd);
1354 pAd->ExtraInfo = GENERAL_LINK_UP;
1355 AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
1357 // 2003/03/12 - john
1358 // Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
1359 // "site survey" result should always include the current connected network.
1361 Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
1362 if (Bssidx == BSS_NOT_FOUND)
1364 Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
1365 &CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
1366 &AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
1367 &EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
1369 DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
1372 // Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
1373 // To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
1374 if (ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID))
1377 MAC_TABLE_ENTRY *pEntry;
1379 // look up the existing table
1380 pEntry = MacTableLookup(pAd, Addr2);
1383 // Another adhoc joining, add to our MAC table.
1384 pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
1387 pEntry->Sst = SST_ASSOC;
1388 idx = pAd->StaCfg.DefaultKeyId;
1389 // After InsertEntry, Write to ASIC on-chip table.
1390 RT28XX_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
1391 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));
1393 pEntry->HTPhyMode.word = pAd->StaCfg.HTPhyMode.word;
1394 if (HtCapabilityLen <= 0)
1396 pEntry->HTPhyMode.field.STBC = 0;
1397 pEntry->HTPhyMode.field.BW = 0;
1398 pEntry->HTPhyMode.field.ShortGI = 0;
1399 if ((SupRateLen+ExtRateLen <= 4) && (pAd->CommonCfg.Channel <= 14))
1401 pEntry->HTPhyMode.field.MODE = MODE_CCK;
1405 pEntry->HTPhyMode.field.MODE = MODE_OFDM;
1407 MlmeUpdateTxRates(pAd, FALSE, 0);
1409 #ifdef DOT11_N_SUPPORT
1412 MlmeUpdateTxRates(pAd, FALSE, 0);
1413 MlmeUpdateHtTxRates(pAd, BSS0);
1415 #endif // DOT11_N_SUPPORT //
1417 #ifdef WPA_SUPPLICANT_SUPPORT
1418 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
1419 if (pAd->StaCfg.WpaSupplicantUP)
1421 union iwreq_data wrqu;
1423 SendAssocIEsToWpaSupplicant(pAd);
1424 memset(&wrqu, 0, sizeof(wrqu));
1425 wrqu.data.flags = RT_ASSOC_EVENT_FLAG;
1426 wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
1428 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
1429 #endif // WPA_SUPPLICANT_SUPPORT //
1431 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
1433 union iwreq_data wrqu;
1434 wext_notify_event_assoc(pAd);
1436 memset(wrqu.ap_addr.sa_data, 0, MAC_ADDR_LEN);
1437 memcpy(wrqu.ap_addr.sa_data, pAd->MlmeAux.Bssid, MAC_ADDR_LEN);
1438 wireless_send_event(pAd->net_dev, SIOCGIWAP, &wrqu, NULL);
1441 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
1449 BOOLEAN bUseShortSlot, bUseBGProtection;
1451 // decide to use/change to -
1452 // 1. long slot (20 us) or short slot (9 us) time
1453 // 2. turn on/off RTS/CTS and/or CTS-to-self protection
1454 // 3. short preamble
1456 //bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo);
1457 bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo);
1458 if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED))
1459 AsicSetSlotTime(pAd, bUseShortSlot);
1461 bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) || // always use
1462 ((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp));
1464 if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP
1465 bUseBGProtection = FALSE;
1467 if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED))
1469 if (bUseBGProtection)
1471 OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1472 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1476 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
1477 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
1480 DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection));
1483 #ifdef DOT11_N_SUPPORT
1484 // check Ht protection mode. and adhere to the Non-GF device indication by AP.
1485 if ((AddHtInfoLen != 0) &&
1486 ((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) ||
1487 (AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent)))
1489 pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent;
1490 pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode;
1491 if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)
1493 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE);
1496 AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
1498 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode));
1500 #endif // DOT11_N_SUPPORT //
1502 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) &&
1503 ERP_IS_USE_BARKER_PREAMBLE(Erp))
1505 MlmeSetTxPreamble(pAd, Rt802_11PreambleLong);
1506 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n"));
1509 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) &&
1510 (EdcaParm.bValid == TRUE) &&
1511 (EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount))
1513 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n",
1514 pAd->CommonCfg.APEdcaParm.EdcaUpdateCount,
1515 EdcaParm.EdcaUpdateCount));
1516 AsicSetEdcaParm(pAd, &EdcaParm);
1519 // copy QOS related information
1520 NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
1521 NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
1524 // only INFRASTRUCTURE mode support power-saving feature
1525 if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave))
1528 // 1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL
1529 // 2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE
1530 // 3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE
1531 // 4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE
1532 // 5. otherwise, put PHY back to sleep to save battery.
1536 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1538 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1539 // Turn clk to 80Mhz.
1542 if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable &&
1543 pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO)
1545 pAd->CommonCfg.bNeedSendTriggerFrame = TRUE;
1548 RT28XX_PS_POLL_ENQUEUE(pAd);
1550 else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM))
1553 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1555 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1559 else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0) ||
1560 (pAd->TxSwQueue[QID_AC_BE].Number != 0) ||
1561 (pAd->TxSwQueue[QID_AC_VI].Number != 0) ||
1562 (pAd->TxSwQueue[QID_AC_VO].Number != 0) ||
1563 (RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1564 (RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1565 (RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1566 (RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
1567 (RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS))
1569 // TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme
1570 // can we cheat here (i.e. just check MGMT & AC_BE) for better performance?
1572 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_ADVANCE_POWER_SAVE_PCIE_DEVICE))
1574 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
1580 USHORT NextDtim = DtimCount;
1583 NextDtim = DtimPeriod;
1585 TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount;
1586 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim))
1587 TbttNumToNextWakeUp = NextDtim;
1589 if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
1591 AsicSleepThenAutoWakeup(pAd, TbttNumToNextWakeUp);
1596 // not my BSSID, ignore it
1598 // sanity check fail, ignore this frame
1602 ==========================================================================
1604 Receive PROBE REQ from remote peer when operating in IBSS mode
1605 ==========================================================================
1607 VOID PeerProbeReqAction(
1608 IN PRTMP_ADAPTER pAd,
1609 IN MLME_QUEUE_ELEM *Elem)
1611 UCHAR Addr2[MAC_ADDR_LEN];
1612 CHAR Ssid[MAX_LEN_OF_SSID];
1614 #ifdef DOT11_N_SUPPORT
1615 UCHAR HtLen, AddHtLen, NewExtLen;
1616 #endif // DOT11_N_SUPPORT //
1617 HEADER_802_11 ProbeRspHdr;
1618 NDIS_STATUS NStatus;
1619 PUCHAR pOutBuffer = NULL;
1621 LARGE_INTEGER FakeTimestamp;
1622 UCHAR DsLen = 1, IbssLen = 2;
1623 UCHAR LocalErpIe[3] = {IE_ERP, 1, 0};
1625 USHORT CapabilityInfo;
1626 UCHAR RSNIe = IE_WPA;
1628 if (! ADHOC_ON(pAd))
1631 if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen))
1633 if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen))
1635 // allocate and send out ProbeRsp frame
1636 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1637 if (NStatus != NDIS_STATUS_SUCCESS)
1640 //pAd->StaCfg.AtimWin = 0; // ??????
1642 Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
1643 (pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
1644 (pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
1645 CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0);
1647 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1648 sizeof(HEADER_802_11), &ProbeRspHdr,
1649 TIMESTAMP_LEN, &FakeTimestamp,
1650 2, &pAd->CommonCfg.BeaconPeriod,
1653 1, &pAd->CommonCfg.SsidLen,
1654 pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1656 1, &pAd->StaActive.SupRateLen,
1657 pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1660 1, &pAd->CommonCfg.Channel,
1663 2, &pAd->StaActive.AtimWin,
1666 if (pAd->StaActive.ExtRateLen)
1669 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1672 1, &pAd->StaActive.ExtRateLen,
1673 pAd->StaActive.ExtRateLen, &pAd->StaActive.ExtRate,
1678 // If adhoc secruity is set for WPA-None, append the cipher suite IE
1679 if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone)
1682 MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1684 1, &pAd->StaCfg.RSNIE_Len,
1685 pAd->StaCfg.RSNIE_Len, pAd->StaCfg.RSN_IE,
1689 #ifdef DOT11_N_SUPPORT
1690 if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
1693 UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
1694 HtLen = sizeof(pAd->CommonCfg.HtCapability);
1695 AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
1697 //New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame
1698 if (pAd->bBroadComHT == TRUE)
1700 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1703 pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
1708 MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1711 sizeof(HT_CAPABILITY_IE), &pAd->CommonCfg.HtCapability,
1714 sizeof(ADD_HT_INFO_IE), &pAd->CommonCfg.AddHTInfo,
1717 sizeof(NEW_EXT_CHAN_IE), &pAd->CommonCfg.NewExtChanOffset,
1722 #endif // DOT11_N_SUPPORT //
1723 MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
1724 MlmeFreeMemory(pAd, pOutBuffer);
1729 VOID BeaconTimeoutAtJoinAction(
1730 IN PRTMP_ADAPTER pAd,
1731 IN MLME_QUEUE_ELEM *Elem)
1734 DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n"));
1735 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1736 Status = MLME_REJ_TIMEOUT;
1737 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1741 ==========================================================================
1743 Scan timeout procedure. basically add channel index by 1 and rescan
1744 ==========================================================================
1746 VOID ScanTimeoutAction(
1747 IN PRTMP_ADAPTER pAd,
1748 IN MLME_QUEUE_ELEM *Elem)
1750 pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
1752 // Only one channel scanned for CISCO beacon request
1753 if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) ||
1754 (pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) ||
1755 (pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) ||
1756 (pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD))
1757 pAd->MlmeAux.Channel = 0;
1759 // this routine will stop if pAd->MlmeAux.Channel == 0
1760 ScanNextChannel(pAd);
1764 ==========================================================================
1766 ==========================================================================
1768 VOID InvalidStateWhenScan(
1769 IN PRTMP_ADAPTER pAd,
1770 IN MLME_QUEUE_ELEM *Elem)
1773 DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1774 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1775 Status = MLME_STATE_MACHINE_REJECT;
1776 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
1780 ==========================================================================
1782 ==========================================================================
1784 VOID InvalidStateWhenJoin(
1785 IN PRTMP_ADAPTER pAd,
1786 IN MLME_QUEUE_ELEM *Elem)
1789 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1790 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1791 Status = MLME_STATE_MACHINE_REJECT;
1792 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
1796 ==========================================================================
1798 ==========================================================================
1800 VOID InvalidStateWhenStart(
1801 IN PRTMP_ADAPTER pAd,
1802 IN MLME_QUEUE_ELEM *Elem)
1805 DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(state=%ld). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState));
1806 pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
1807 Status = MLME_STATE_MACHINE_REJECT;
1808 MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
1812 ==========================================================================
1815 IRQL = DISPATCH_LEVEL
1817 ==========================================================================
1820 IN PRTMP_ADAPTER pAd)
1827 #endif // RALINK_ATE //
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 #ifdef DOT11_N_SUPPORT
1873 #ifdef DOT11N_DRAFT3
1874 VOID BuildEffectedChannelList(
1875 IN PRTMP_ADAPTER pAd)
1879 UCHAR UpperChannel = 0, LowerChannel = 0;
1881 RTMPZeroMemory(EChannel, 11);
1883 // Find upper channel and lower channel.
1884 if (pAd->CommonCfg.CentralChannel < pAd->CommonCfg.Channel)
1886 UpperChannel = pAd->CommonCfg.Channel;
1887 LowerChannel = pAd->CommonCfg.CentralChannel;
1889 else if (pAd->CommonCfg.CentralChannel > pAd->CommonCfg.Channel)
1891 UpperChannel = pAd->CommonCfg.CentralChannel;
1892 LowerChannel = pAd->CommonCfg.Channel;
1899 // Record channels that is below lower channel..
1900 if (LowerChannel > 1)
1902 EChannel[0] = LowerChannel - 1;
1904 if (LowerChannel > 2)
1906 EChannel[1] = LowerChannel - 2;
1908 if (LowerChannel > 3)
1910 EChannel[2] = LowerChannel - 3;
1915 // Record channels that is between lower channel and upper channel.
1916 for (k = LowerChannel;k < UpperChannel;k++)
1921 // Record channels that is above upper channel..
1922 if (LowerChannel < 11)
1924 EChannel[i] = UpperChannel + 1;
1926 if (LowerChannel < 10)
1928 EChannel[i] = LowerChannel + 2;
1930 if (LowerChannel < 9)
1932 EChannel[i] = LowerChannel + 3;
1938 for (j = 0;j < i;j++)
1940 for (k = 0;k < pAd->ChannelListNum;k++)
1942 if (pAd->ChannelList[k].Channel == EChannel[j])
1944 pAd->ChannelList[k].bEffectedChannel = TRUE;
1945 DBGPRINT(RT_DEBUG_TRACE,(" EffectedChannel( =%d)\n", EChannel[j]));
1951 #endif // DOT11N_DRAFT3 //
1952 #endif // DOT11_N_SUPPORT //
1954 BOOLEAN ScanRunning(
1955 IN PRTMP_ADAPTER pAd)
1957 return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE;