📄 sync.c
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IN PRT2570ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
DBGPRINT(RT_DEBUG_TRACE, "SYNC - BeaconTimeoutAtJoinAction\n");
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_JOIN_CONF, MLME_REJ_TIMEOUT);
}
/*
==========================================================================
Description:
Scan timeout procedure. basically add channel index by 1 and rescan
==========================================================================
*/
VOID ScanTimeoutAction(
IN PRT2570ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
if (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN)//MLME could have been reset. Make sure this is not the case before going on.
{
pAd->Mlme.SyncAux.Channel = NextChannel(pAd, pAd->Mlme.SyncAux.Channel);
ScanNextChannel(pAd);
}
}
/*
==========================================================================
Description:
Scan next channel
==========================================================================
*/
VOID ScanNextChannel(
IN PRT2570ADAPTER pAd)
{
MACHDR Hdr;
UCHAR SsidIe = IE_SSID, SuppRateIe = IE_SUPP_RATES;
VOID *OutBuffer = NULL;
VOID *OutBuffer2 = NULL;
NDIS_STATUS NStatus;
ULONG FrameLen = 0;
UCHAR SsidLen = 0;
if ((pAd->Mlme.SyncAux.Channel == 0) )
{
DBGPRINT(RT_DEBUG_TRACE, "SYNC - End of SCAN, restore to channel %d, find %d BSS\n",pAd->PortCfg.Channel, pAd->PortCfg.BssTab.BssNr);
AsicSwitchChannel(pAd, pAd->PortCfg.Channel);
AsicLockChannel(pAd, pAd->PortCfg.Channel);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_SUCCESS);
}
else if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS))
{
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE);
}
else
{
AsicSwitchChannel(pAd, pAd->Mlme.SyncAux.Channel);
AsicLockChannel(pAd, pAd->Mlme.SyncAux.Channel);
// Total SCAN time still limits within 3 sec (DDK constraint).
// TODO: We need more intelligent rules here to further improve out-of-service issue.
// e.g. temporary stop copying NDIS packet to TxRing until SCAN complete
// We need to shorten active scan time in order for WZC connect issue
if (pAd->Mlme.SyncAux.ScanType == SCAN_ACTIVE)
{
RTMPSetTimer(pAd, &pAd->Mlme.SyncAux.ScanTimer, ACTIVE_SCAN_TIME);
}
else if (pAd->PortCfg.PhyMode == PHY_11ABG_MIXED)
{
RTMPSetTimer(pAd, &pAd->Mlme.SyncAux.ScanTimer, MIN_CHANNEL_TIME);
}
else
{
RTMPSetTimer(pAd, &pAd->Mlme.SyncAux.ScanTimer, MAX_CHANNEL_TIME);
}
MgtMacHeaderInit(pAd, &Hdr, SUBTYPE_PROBE_REQ, 0, &pAd->PortCfg.Broadcast, &pAd->PortCfg.Broadcast);
// There is no need to send broadcast probe request if active scan is in effect.
// The same rulr should apply to passive scan also.
if (pAd->Mlme.SyncAux.ScanType == SCAN_PASSIVE)
{
// Send the first probe request with empty SSID
NStatus = MlmeAllocateMemory(pAd, (PVOID)&OutBuffer); //Get an unused nonpaged memory
if (NStatus != NDIS_STATUS_SUCCESS)
{
DBGPRINT(RT_DEBUG_TRACE, "SYNC - ScanNextChannel() allocate memory fail\n");
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE);
return;
}
DBGPRINT(RT_DEBUG_INFO, "SYNC - send passive ProbeReq @ channel=%d...\n", pAd->Mlme.SyncAux.Channel);
SsidLen = 0;
MakeOutgoingFrame(OutBuffer, &FrameLen,
sizeof(MACHDR), (UCHAR*)&Hdr,
1, &SsidIe,
1, &SsidLen,
1, &SuppRateIe,
1, &pAd->PortCfg.SupportedRatesLen,
pAd->PortCfg.SupportedRatesLen, pAd->PortCfg.SupportedRates,
END_OF_ARGS);
MiniportMMRequest(pAd, OutBuffer, FrameLen);
}
else if (pAd->Mlme.SyncAux.ScanType == SCAN_ACTIVE)
{
// Allocate another for probe scan with SSID
NStatus = MlmeAllocateMemory(pAd, (PVOID)&OutBuffer2); //Get an unused nonpaged memory
if (NStatus != NDIS_STATUS_SUCCESS)
{
DBGPRINT(RT_DEBUG_TRACE, "SYNC - ScanNextChannel() allocate memory fail\n");
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE);
return;
}
// make another probe scan with SSID from mlme.cntlaux.ssid
SsidLen = pAd->Mlme.SyncAux.SsidLen;
MakeOutgoingFrame(OutBuffer2, &FrameLen,
sizeof(MACHDR), &Hdr,
1, &SsidIe,
1, &SsidLen,
SsidLen, pAd->Mlme.SyncAux.Ssid,
1, &SuppRateIe,
1, &pAd->PortCfg.SupportedRatesLen,
pAd->PortCfg.SupportedRatesLen, pAd->PortCfg.SupportedRates,
END_OF_ARGS);
MiniportMMRequest(pAd, OutBuffer2, FrameLen);
DBGPRINT(RT_DEBUG_INFO, "SYNC - send active ProbeReq @ channel=%d...\n", pAd->Mlme.SyncAux.Channel);
}
pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
}
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenScan(
IN PRT2570ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
DBGPRINT(RT_DEBUG_TRACE, "AYNC - InvalidStateWhenScan(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_STATE_MACHINE_REJECT);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenJoin(
IN PRT2570ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
DBGPRINT(RT_DEBUG_TRACE, "InvalidStateWhenJoin(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_JOIN_CONF, MLME_STATE_MACHINE_REJECT);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenStart(
IN PRT2570ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
DBGPRINT(RT_DEBUG_TRACE, "InvalidStateWhenStart(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
MlmeCntlConfirm(pAd, MT2_START_CONF, MLME_STATE_MACHINE_REJECT);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID EnqueuePsPoll(
IN PRT2570ADAPTER pAdapter)
{
PTX_CONTEXT pPsPollContext;
PSPOLL_FRAME *pPsPollFrame;
if ((RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_RESET_IN_PROGRESS)) ||
(RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_BULKOUT_RESET)) ||
(RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_REMOVE_IN_PROGRESS)))
{
return;
}
pPsPollContext = &(pAdapter->PsPollContext);
pPsPollFrame = (PSPOLL_FRAME*)pAdapter->PsPollContext.TransferBuffer->WirelessPacket;
if (pPsPollContext->InUse == FALSE)
{
PTXD_STRUC pTxD;
pPsPollContext->InUse = TRUE;
pTxD = &(pPsPollContext->TransferBuffer->TxDesc);
NdisZeroMemory(pTxD, sizeof(TXD_STRUC));
RTUSBWriteTxDescriptor(pTxD, FALSE, 0, FALSE, FALSE, TRUE, IFS_BACKOFF,
sizeof(PSPOLL_FRAME), FALSE, 0, CW_MIN_IN_BITS, CW_MAX_IN_BITS,
sizeof(PSPOLL_FRAME) + 4, pAdapter->PortCfg.MlmeRate, 4,
pAdapter->PortCfg.TxPreambleInUsed);
pPsPollFrame->PwrMgmt = 0;
// Fill out frame length information for global Bulk out arbitor
pPsPollContext->BulkOutSize = sizeof(PS_POLL_BUFFER);
RTUSB_SET_BULK_FLAG(pAdapter, fRTUSB_BULK_OUT_PSPOLL);
// Kick bulk out
RTUSBKickBulkOut(pAdapter);
}
}
/*
==========================================================================
Description:
Send out a NULL frame to AP. The prpose is to inform AP this client
current PSM bit.
NOTE:
This routine should only be used in infrastructure mode.
==========================================================================
*/
VOID EnqueueNullFrame(
IN PRT2570ADAPTER pAdapter,
IN UCHAR TxRate)
{
PTX_CONTEXT pNullContext;
PTXD_STRUC pTxD;
HEADER_802_11 *pNullFrame;
if ((RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_RESET_IN_PROGRESS)) ||
(RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_BULKOUT_RESET)) ||
(RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_HALT_IN_PROGRESS)) ||
(RTMP_TEST_FLAG(pAdapter, fRTMP_ADAPTER_REMOVE_IN_PROGRESS)))
{
return;
}
// WPA 802.1x secured port control
if (((pAdapter->PortCfg.AuthMode == Ndis802_11AuthModeWPA) ||
(pAdapter->PortCfg.AuthMode == Ndis802_11AuthModeWPAPSK)) &&
(pAdapter->PortCfg.PortSecured == WPA_802_1X_PORT_NOT_SECURED))
{
return;
}
pNullFrame = (HEADER_802_11*)pAdapter->NullContext.TransferBuffer->WirelessPacket;
pNullContext = &(pAdapter->NullContext);
if (pNullContext->InUse == FALSE)
{
// Set the in use bit
pNullContext->InUse = TRUE;
// Fill Null frame body and TxD
pTxD = &(pNullContext->TransferBuffer->TxDesc);
NdisZeroMemory(pTxD, sizeof(TXD_STRUC));
RTUSBWriteTxDescriptor(pTxD, FALSE, 7, TRUE, FALSE, TRUE, IFS_BACKOFF, sizeof(MACHDR), FALSE, 0, CW_MIN_IN_BITS, CW_MAX_IN_BITS, sizeof(MACHDR) + 4, TxRate, 4, pAdapter->PortCfg.TxPreambleInUsed);
pNullFrame->Controlhead.Duration = RTUSBCalcDuration(pAdapter, TxRate, 14);
pNullFrame->Controlhead.Frame.PwrMgt = (pAdapter->PortCfg.Psm == PWR_SAVE);
DBGPRINT(RT_DEBUG_TRACE, "SYNC - send NULL Frame @%d Mbps...\n", RateIdToMbps[TxRate]);
// Fill out frame length information for global Bulk out arbitor
pNullContext->BulkOutSize = sizeof(TXD_STRUC) + sizeof(HEADER_802_11);
RTUSB_SET_BULK_FLAG(pAdapter, fRTUSB_BULK_OUT_DATA_NULL);
// Kick bulk out
RTUSBKickBulkOut(pAdapter);
}
}
/*
==========================================================================
Description:
Update PortCfg->ChannelList[] according to 1) Country Region 2) RF IC type,
and 3) PHY-mode user selected.
The outcome is used by driver when doing site survey.
==========================================================================
*/
VOID BuildChannelList(
IN PRT2570ADAPTER pAd)
{
UCHAR i, index ⌨️ 快捷键说明
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