📄 sync.c
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{
// BBP and RF are not accessible in PS mode, we has to wake them up first
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
AsicForceWakeup(pAd);
// leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON
if (pAd->PortCfg.Psm == PWR_SAVE)
MlmeSetPsmBit(pAd, PWR_ACTIVE);
AsicSwitchChannel(pAd, pAd->MlmeAux.Channel);
AsicLockChannel(pAd, pAd->MlmeAux.Channel);
// G band - set BBP_R62 to 0x02 when site survey or rssi<-82
// A band - always set BBP_R62 to 0x04
if (pAd->MlmeAux.Channel <= 14)
{
//
// For the high power and False CCA issue.(Gary)
//
RTUSBWriteBBPRegister(pAd, BBP_R62, 0x04);
RTUSBWriteBBPRegister(pAd, 17, pAd->BbpTuning.R17LowerBoundG); }
else
{
RTUSBWriteBBPRegister(pAd, 17, pAd->BbpTuning.R17LowerBoundA);
RTUSBWriteBBPRegister(pAd, BBP_R62, 0x04);
}
// We need to shorten active scan time in order for WZC connect issue
// Chnage the channel scan time for CISCO stuff based on its IAPP announcement
if (pAd->MlmeAux.ScanType == FAST_SCAN_ACTIVE)
{
RTMPSetTimer(pAd, &pAd->MlmeAux.ScanTimer, FAST_ACTIVE_SCAN_TIME);
}
else // must be SCAN_PASSIVE or SCAN_ACTIVE
{
if (pAd->PortCfg.PhyMode == PHY_11ABG_MIXED)
RTMPSetTimer(pAd, &pAd->MlmeAux.ScanTimer, MIN_CHANNEL_TIME);
else
RTMPSetTimer(pAd, &pAd->MlmeAux.ScanTimer, MAX_CHANNEL_TIME);
}
if ((pAd->MlmeAux.ScanType == SCAN_ACTIVE) ||
(pAd->MlmeAux.ScanType == FAST_SCAN_ACTIVE))
{
NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //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;
Status = MLME_FAIL_NO_RESOURCE;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status, FALSE);
return;
}
// There is no need to send broadcast probe request if active scan is in effect.
if ((pAd->MlmeAux.ScanType == SCAN_ACTIVE) || (pAd->MlmeAux.ScanType == FAST_SCAN_ACTIVE))
SsidLen = pAd->MlmeAux.SsidLen;
else
SsidLen = 0;
MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(HEADER_802_11), &Hdr80211,
1, &SsidIe,
1, &SsidLen,
SsidLen, pAd->MlmeAux.Ssid,
1, &SupRateIe,
1, &pAd->PortCfg.SupRateLen,
pAd->PortCfg.SupRateLen, pAd->PortCfg.SupRate,
END_OF_ARGS);
if (pAd->PortCfg.ExtRateLen)
{
ULONG Tmp;
MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
1, &ExtRateIe,
1, &pAd->PortCfg.ExtRateLen,
pAd->PortCfg.ExtRateLen, pAd->PortCfg.ExtRate,
END_OF_ARGS);
FrameLen += Tmp;
}
MiniportMMRequest(pAd, pOutBuffer, FrameLen);
DBGPRINT(RT_DEBUG_INFO, "SYNC - send ProbeReq @ channel=%d, Len=%d\n", pAd->MlmeAux.Channel, FrameLen);
}
// For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse
pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
}
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenScan(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, "AYNC - InvalidStateWhenScan(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status, FALSE);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenJoin(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, "AYNC - InvalidStateWhenJoin(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status, FALSE);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenStart(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, "AYNC - InvalidStateWhenStart(state=%d). Reset SYNC machine\n", pAd->Mlme.SyncMachine.CurrState);
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_STATE_MACHINE_REJECT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status, FALSE);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID EnqueuePsPoll(
IN PRTMP_ADAPTER pAd)
{
DBGPRINT(RT_DEBUG_TRACE, "SYNC - send PsPoll ...\n");
MiniportMMRequest(pAd, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME));
}
// 2003-04-17 john
// driver force send out a BEACON frame to cover ADHOC mode BEACON starving issue
// that is, in ADHOC mode, driver guarantee itself can send out at least a BEACON
// per a specified duration, even the peer's clock is faster than us and win all the
// hardware-based BEACON TX oppertunity.
// we may remove this software feature once 2560 IC fix this problem in ASIC.
VOID EnqueueBeaconFrame(
IN PRTMP_ADAPTER pAd)
{
PTXD_STRUC pTxD;
#ifdef BIG_ENDIAN
PTXD_STRUC pDestTxD;
TXD_STRUC TxD;
#endif
PCHAR pBeaconFrame = pAd->BeaconBuf;
PUCHAR pOutBuffer = NULL;
LARGE_INTEGER Tsf;
NDIS_STATUS NStatus;
#ifndef BIG_ENDIAN
pTxD = &pAd->BeaconTxD;
#else
pDestTxD = &pAd->BeaconTxD;
TxD = *pDestTxD;
pTxD = &TxD;
RTMPDescriptorEndianChange((PUCHAR)pTxD, TYPE_TXD);
#endif
DBGPRINT(RT_DEBUG_TRACE, "SYNC - driver sent BEACON (len=%d)...\n",pTxD->DataByteCnt);
NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
if (NStatus != NDIS_STATUS_SUCCESS)
{
DBGPRINT(RT_DEBUG_TRACE, "EnqueueBeaconFrame allocate memory fail\n");
return;
}
RTUSBReadMACRegister(pAd, TXRX_CSR13, &Tsf.vv.HighPart);
RTUSBReadMACRegister(pAd, TXRX_CSR12, &Tsf.vv.LowPart);
// TODO: not good if porting to big endian platform - TSF byte order ???
NdisMoveMemory(pBeaconFrame + sizeof(HEADER_802_11), &Tsf, TIMESTAMP_LEN);
NdisMoveMemory(pOutBuffer, pBeaconFrame, 256);
MiniportMMRequest(pAd, pOutBuffer, pTxD->DataByteCnt);
#ifdef BIG_ENDIAN
RTMPDescriptorEndianChange((PUCHAR)pTxD, TYPE_TXD);
WriteBackToDescriptor((PUCHAR)pDestTxD, (PUCHAR)pTxD, FALSE, TYPE_TXD);
#endif
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID EnqueueProbeRequest(
IN PRTMP_ADAPTER pAd)
{
PUCHAR pOutBuffer;
ULONG FrameLen = 0;
HEADER_802_11 Hdr80211;
USHORT NStatus;
DBGPRINT(RT_DEBUG_TRACE, "force out a ProbeRequest ...\n");
NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer); //Get an unused nonpaged memory
if (NStatus != NDIS_STATUS_SUCCESS)
{
DBGPRINT(RT_DEBUG_TRACE, "EnqueueProbeRequest() allocate memory fail\n");
return;
}
else
{
MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
// this ProbeRequest explicitly specify SSID to reduce unwanted ProbeResponse
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(HEADER_802_11), &Hdr80211,
1, &SsidIe,
1, &pAd->PortCfg.SsidLen,
pAd->PortCfg.SsidLen, pAd->PortCfg.Ssid,
1, &SupRateIe,
1, &pAd->ActiveCfg.SupRateLen,
pAd->ActiveCfg.SupRateLen, pAd->ActiveCfg.SupRate,
END_OF_ARGS);
MiniportMMRequest(pAd, pOutBuffer, FrameLen);
}
}
/*
==========================================================================
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 PRTMP_ADAPTER pAd)
{
UCHAR i, j, index=0, num=0;
PUCHAR pChannelList=NULL;
NdisZeroMemory(pAd->ChannelList, MAX_NUM_OF_CHANNELS * sizeof(CHANNEL_TX_POWER));
// if not 11a-only mode, channel list starts from 2.4Ghz band
if (pAd->PortCfg.PhyMode != PHY_11A)
{
switch (pAd->PortCfg.CountryRegion & 0x7f)
{
case REGION_0_BG_BAND: // 1 -11
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_0_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_0_SIZE);
index += BG_BAND_REGION_0_SIZE;
break;
case REGION_1_BG_BAND: // 1 - 13
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_1_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_1_SIZE);
index += BG_BAND_REGION_1_SIZE;
break;
case REGION_2_BG_BAND: // 10 - 11
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_2_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_2_SIZE);
index += BG_BAND_REGION_2_SIZE;
break;
case REGION_3_BG_BAND: // 10 - 13
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_3_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_3_SIZE);
index += BG_BAND_REGION_3_SIZE;
break;
case REGION_4_BG_BAND: // 14
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_4_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_4_SIZE);
index += BG_BAND_REGION_4_SIZE;
break;
case REGION_5_BG_BAND: // 1 - 14
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_5_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_5_SIZE);
index += BG_BAND_REGION_5_SIZE;
break;
case REGION_6_BG_BAND: // 3 - 9
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[BG_BAND_REGION_6_START], sizeof(CHANNEL_TX_POWER) * BG_BAND_REGION_6_SIZE);
index += BG_BAND_REGION_6_SIZE;
break;
case REGION_7_BG_BAND: // 1, 6 , 11 for Test purpose.
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[0], sizeof(CHANNEL_TX_POWER));
index += 1;
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[5], sizeof(CHANNEL_TX_POWER));
index += 1;
NdisMoveMemory(&pAd->ChannelList[index], &pAd->TxPower[10], sizeof(CHANNEL_TX_POWER));
index += 1;
break;⌨️ 快捷键说明
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