/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
sync.c
Abstract:
Revision History:
Who When What
-------- ---------- ----------------------------------------------
John Chang 2004-09-01 modified for rt2561/2661
Jan Lee 2006-08-01 modified for rt2860 for 802.11n
*/
#include "../rt_config.h"
#define ADHOC_ENTRY_BEACON_LOST_TIME (2*OS_HZ) // 2 sec
/*
==========================================================================
Description:
The sync state machine,
Parameters:
Sm - pointer to the state machine
Note:
the state machine looks like the following
==========================================================================
*/
VOID SyncStateMachineInit(
IN PRTMP_ADAPTER pAd,
IN STATE_MACHINE *Sm,
OUT STATE_MACHINE_FUNC Trans[])
{
StateMachineInit(Sm, Trans, MAX_SYNC_STATE, MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, SYNC_IDLE, SYNC_MACHINE_BASE);
// column 1
StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)MlmeScanReqAction);
StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)MlmeJoinReqAction);
StateMachineSetAction(Sm, SYNC_IDLE, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)MlmeStartReqAction);
StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeacon);
StateMachineSetAction(Sm, SYNC_IDLE, MT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)PeerProbeReqAction);
//column 2
StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtJoinAction);
StateMachineSetAction(Sm, JOIN_WAIT_BEACON, MT2_BEACON_TIMEOUT, (STATE_MACHINE_FUNC)BeaconTimeoutAtJoinAction);
// column 3
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenScan);
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_JOIN_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenJoin);
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_MLME_START_REQ, (STATE_MACHINE_FUNC)InvalidStateWhenStart);
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_BEACON, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)PeerBeaconAtScanAction);
StateMachineSetAction(Sm, SCAN_LISTEN, MT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)ScanTimeoutAction);
// timer init
RTMPInitTimer(pAd, &pAd->MlmeAux.BeaconTimer, GET_TIMER_FUNCTION(BeaconTimeout), pAd, FALSE);
RTMPInitTimer(pAd, &pAd->MlmeAux.ScanTimer, GET_TIMER_FUNCTION(ScanTimeout), pAd, FALSE);
}
/*
==========================================================================
Description:
Beacon timeout handler, executed in timer thread
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID BeaconTimeout(
IN PVOID SystemSpecific1,
IN PVOID FunctionContext,
IN PVOID SystemSpecific2,
IN PVOID SystemSpecific3)
{
RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
DBGPRINT(RT_DEBUG_TRACE,("SYNC - BeaconTimeout\n"));
// Do nothing if the driver is starting halt state.
// This might happen when timer already been fired before cancel timer with mlmehalt
if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
return;
if ((pAd->CommonCfg.BBPCurrentBW == BW_40)
)
{
UCHAR BBPValue = 0;
AsicSwitchChannel(pAd, pAd->CommonCfg.CentralChannel, FALSE);
AsicLockChannel(pAd, pAd->CommonCfg.CentralChannel);
RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
BBPValue &= (~0x18);
BBPValue |= 0x10;
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - End of SCAN, restore to 40MHz channel %d, Total BSS[%02d]\n",pAd->CommonCfg.CentralChannel, pAd->ScanTab.BssNr));
}
MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_BEACON_TIMEOUT, 0, NULL);
RTMP_MLME_HANDLER(pAd);
}
/*
==========================================================================
Description:
Scan timeout handler, executed in timer thread
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID ScanTimeout(
IN PVOID SystemSpecific1,
IN PVOID FunctionContext,
IN PVOID SystemSpecific2,
IN PVOID SystemSpecific3)
{
RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext;
// Do nothing if the driver is starting halt state.
// This might happen when timer already been fired before cancel timer with mlmehalt
if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS))
return;
if (MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_SCAN_TIMEOUT, 0, NULL))
{
RTMP_MLME_HANDLER(pAd);
}
else
{
// To prevent SyncMachine.CurrState is SCAN_LISTEN forever.
pAd->MlmeAux.Channel = 0;
ScanNextChannel(pAd);
if (pAd->CommonCfg.bWirelessEvent)
{
RTMPSendWirelessEvent(pAd, IW_SCAN_ENQUEUE_FAIL_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0);
}
}
}
/*
==========================================================================
Description:
MLME SCAN req state machine procedure
==========================================================================
*/
VOID MlmeScanReqAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType, BBPValue = 0;
BOOLEAN TimerCancelled;
ULONG Now;
USHORT Status;
PHEADER_802_11 pHdr80211;
PUCHAR pOutBuffer = NULL;
NDIS_STATUS NStatus;
// Check the total scan tries for one single OID command
// If this is the CCX 2.0 Case, skip that!
if ( !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP))
{
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeScanReqAction before Startup\n"));
return;
}
// Increase the scan retry counters.
pAd->StaCfg.ScanCnt++;
#ifdef RTMP_MAC_PCI
if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) &&
(IDLE_ON(pAd)) &&
(pAd->StaCfg.bRadio == TRUE) &&
(RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
{
if (pAd->StaCfg.PSControl.field.EnableNewPS == FALSE)
{
AsicSendCommandToMcu(pAd, 0x31, PowerWakeCID, 0x00, 0x02);
AsicCheckCommanOk(pAd, PowerWakeCID);
RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF);
DBGPRINT(RT_DEBUG_TRACE, ("PSM - Issue Wake up command \n"));
}
else
{
RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
}
}
#endif // RTMP_MAC_PCI //
// first check the parameter sanity
if (MlmeScanReqSanity(pAd,
Elem->Msg,
Elem->MsgLen,
&BssType,
(PCHAR)Ssid,
&SsidLen,
&ScanType))
{
// Check for channel load and noise hist request
// Suspend MSDU only at scan request, not the last two mentioned
// Suspend MSDU transmission here
RTMPSuspendMsduTransmission(pAd);
//
// To prevent data lost.
// Send an NULL data with turned PSM bit on to current associated AP before SCAN progress.
// And should send an NULL data with turned PSM bit off to AP, when scan progress done
//
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED) && (INFRA_ON(pAd)))
{
NStatus = MlmeAllocateMemory(pAd, (PVOID)&pOutBuffer);
if (NStatus == NDIS_STATUS_SUCCESS)
{
pHdr80211 = (PHEADER_802_11) pOutBuffer;
MgtMacHeaderInit(pAd, pHdr80211, SUBTYPE_NULL_FUNC, 1, pAd->CommonCfg.Bssid, pAd->CommonCfg.Bssid);
pHdr80211->Duration = 0;
pHdr80211->FC.Type = BTYPE_DATA;
pHdr80211->FC.PwrMgmt = PWR_SAVE;
// Send using priority queue
MiniportMMRequest(pAd, 0, pOutBuffer, sizeof(HEADER_802_11));
DBGPRINT(RT_DEBUG_TRACE, ("MlmeScanReqAction -- Send PSM Data frame for off channel RM\n"));
MlmeFreeMemory(pAd, pOutBuffer);
RTMPusecDelay(5000);
}
}
NdisGetSystemUpTime(&Now);
pAd->StaCfg.LastScanTime = Now;
// reset all the timers
RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
// record desired BSS parameters
pAd->MlmeAux.BssType = BssType;
pAd->MlmeAux.ScanType = ScanType;
pAd->MlmeAux.SsidLen = SsidLen;
NdisZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
// start from the first channel
pAd->MlmeAux.Channel = FirstChannel(pAd);
// Let BBP register at 20MHz to do scan
RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
BBPValue &= (~0x18);
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
ScanNextChannel(pAd);
}
else
{
DBGPRINT_ERR(("SYNC - MlmeScanReqAction() sanity check fail\n"));
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_INVALID_FORMAT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_SCAN_CONF, 2, &Status);
}
}
/*
==========================================================================
Description:
MLME JOIN req state machine procedure
==========================================================================
*/
VOID MlmeJoinReqAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR BBPValue = 0;
BSS_ENTRY *pBss;
BOOLEAN TimerCancelled;
HEADER_802_11 Hdr80211;
NDIS_STATUS NStatus;
ULONG FrameLen = 0;
PUCHAR pOutBuffer = NULL;
PUCHAR pSupRate = NULL;
UCHAR SupRateLen;
PUCHAR pExtRate = NULL;
UCHAR ExtRateLen;
UCHAR ASupRate[] = {0x8C, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6C};
UCHAR ASupRateLen = sizeof(ASupRate)/sizeof(UCHAR);
MLME_JOIN_REQ_STRUCT *pInfo = (MLME_JOIN_REQ_STRUCT *)(Elem->Msg);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeJoinReqAction(BSS #%ld)\n", pInfo->BssIdx));
#ifdef RTMP_MAC_PCI
if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE)) &&
(IDLE_ON(pAd)) &&
(pAd->StaCfg.bRadio == TRUE) &&
(RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF)))
{
RT28xxPciAsicRadioOn(pAd, GUI_IDLE_POWER_SAVE);
}
#endif // RTMP_MAC_PCI //
// reset all the timers
RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
pBss = &pAd->MlmeAux.SsidBssTab.BssEntry[pInfo->BssIdx];
// record the desired SSID & BSSID we're waiting for
COPY_MAC_ADDR(pAd->MlmeAux.Bssid, pBss->Bssid);
// If AP's SSID is not hidden, it is OK for updating ssid to MlmeAux again.
if (pBss->Hidden == 0)
{
RTMPZeroMemory(pAd->MlmeAux.Ssid, MAX_LEN_OF_SSID);
NdisMoveMemory(pAd->MlmeAux.Ssid, pBss->Ssid, pBss->SsidLen);
pAd->MlmeAux.SsidLen = pBss->SsidLen;
}
pAd->MlmeAux.BssType = pBss->BssType;
pAd->MlmeAux.Channel = pBss->Channel;
pAd->MlmeAux.CentralChannel = pBss->CentralChannel;
// Let BBP register at 20MHz to do scan
RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R4, &BBPValue);
BBPValue &= (~0x18);
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R4, BBPValue);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));
// switch channel and waiting for beacon timer
AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
AsicLockChannel(pAd, pAd->MlmeAux.Channel);
RTMPSetTimer(&pAd->MlmeAux.BeaconTimer, JOIN_TIMEOUT);
do
{
if (((pAd->CommonCfg.bIEEE80211H == 1) &&
(pAd->MlmeAux.Channel > 14) &&
RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
)
{
//
// We can't send any Probe request frame to meet 802.11h.
//
if (pBss->Hidden == 0)
break;
}
//
// send probe request
//
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
if (NStatus == NDIS_STATUS_SUCCESS)
{
if (pAd->MlmeAux.Channel <= 14)
{
pSupRate = pAd->CommonCfg.SupRate;
SupRateLen = pAd->CommonCfg.SupRateLen;
pExtRate = pAd->CommonCfg.ExtRate;
ExtRateLen = pAd->CommonCfg.ExtRateLen;
}
else
{
//
// Overwrite Support Rate, CCK rate are not allowed
//
pSupRate = ASupRate;
SupRateLen = ASupRateLen;
ExtRateLen = 0;
}
if (pAd->MlmeAux.BssType == BSS_INFRA)
MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, pAd->MlmeAux.Bssid, pAd->MlmeAux.Bssid);
else
MgtMacHeaderInit(pAd, &Hdr80211, SUBTYPE_PROBE_REQ, 0, BROADCAST_ADDR, BROADCAST_ADDR);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(HEADER_802_11), &Hdr80211,
1, &SsidIe,
1, &pAd->MlmeAux.SsidLen,
pAd->MlmeAux.SsidLen, pAd->MlmeAux.Ssid,
1, &SupRateIe,
1, &SupRateLen,
SupRateLen, pSupRate,
END_OF_ARGS);
if (ExtRateLen)
{
ULONG Tmp;
MakeOutgoingFrame(pOutBuffer + FrameLen, &Tmp,
1, &ExtRateIe,
1, &ExtRateLen,
ExtRateLen, pExtRate,
END_OF_ARGS);
FrameLen += Tmp;
}
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
}
} while (FALSE);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - Switch to ch %d, Wait BEACON from %02x:%02x:%02x:%02x:%02x:%02x\n",
pBss->Channel, pBss->Bssid[0], pBss->Bssid[1], pBss->Bssid[2], pBss->Bssid[3], pBss->Bssid[4], pBss->Bssid[5]));
pAd->Mlme.SyncMachine.CurrState = JOIN_WAIT_BEACON;
}
/*
==========================================================================
Description:
MLME START Request state machine procedure, starting an IBSS
==========================================================================
*/
VOID MlmeStartReqAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen;
BOOLEAN TimerCancelled;
// New for WPA security suites
UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
LARGE_INTEGER TimeStamp;
BOOLEAN Privacy;
USHORT Status;
// Init Variable IE structure
pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
pVIE->Length = 0;
TimeStamp.u.LowPart = 0;
TimeStamp.u.HighPart = 0;
if (MlmeStartReqSanity(pAd, Elem->Msg, Elem->MsgLen, (PCHAR)Ssid, &SsidLen))
{
// reset all the timers
RTMPCancelTimer(&pAd->MlmeAux.ScanTimer, &TimerCancelled);
RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
//
// Start a new IBSS. All IBSS parameters are decided now....
//
DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - Start a new IBSS. All IBSS parameters are decided now.... \n"));
pAd->MlmeAux.BssType = BSS_ADHOC;
NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
pAd->MlmeAux.SsidLen = SsidLen;
// generate a radom number as BSSID
MacAddrRandomBssid(pAd, pAd->MlmeAux.Bssid);
DBGPRINT(RT_DEBUG_TRACE, ("MlmeStartReqAction - generate a radom number as BSSID \n"));
Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
(pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
(pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
pAd->MlmeAux.CapabilityInfo = CAP_GENERATE(0,1,Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 1, 0);
pAd->MlmeAux.BeaconPeriod = pAd->CommonCfg.BeaconPeriod;
pAd->MlmeAux.AtimWin = pAd->StaCfg.AtimWin;
pAd->MlmeAux.Channel = pAd->CommonCfg.Channel;
pAd->CommonCfg.CentralChannel = pAd->CommonCfg.Channel;
pAd->MlmeAux.CentralChannel = pAd->CommonCfg.CentralChannel;
pAd->MlmeAux.SupRateLen= pAd->CommonCfg.SupRateLen;
NdisMoveMemory(pAd->MlmeAux.SupRate, pAd->CommonCfg.SupRate, MAX_LEN_OF_SUPPORTED_RATES);
RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
pAd->MlmeAux.ExtRateLen = pAd->CommonCfg.ExtRateLen;
NdisMoveMemory(pAd->MlmeAux.ExtRate, pAd->CommonCfg.ExtRate, MAX_LEN_OF_SUPPORTED_RATES);
RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
{
RTMPUpdateHTIE(&pAd->CommonCfg.DesiredHtPhy, &pAd->StaCfg.DesiredHtPhyInfo.MCSSet[0], &pAd->MlmeAux.HtCapability, &pAd->MlmeAux.AddHtInfo);
pAd->MlmeAux.HtCapabilityLen = sizeof(HT_CAPABILITY_IE);
// Not turn pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE here.
DBGPRINT(RT_DEBUG_TRACE, ("SYNC -pAd->StaActive.SupportedHtPhy.bHtEnable = TRUE\n"));
}
else
{
pAd->MlmeAux.HtCapabilityLen = 0;
pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
NdisZeroMemory(&pAd->StaActive.SupportedPhyInfo.MCSSet[0], 16);
}
// temporarily not support QOS in IBSS
NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, FALSE);
AsicLockChannel(pAd, pAd->MlmeAux.Channel);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - MlmeStartReqAction(ch= %d,sup rates= %d, ext rates=%d)\n",
pAd->MlmeAux.Channel, pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_SUCCESS;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
}
else
{
DBGPRINT_ERR(("SYNC - MlmeStartReqAction() sanity check fail.\n"));
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_INVALID_FORMAT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_START_CONF, 2, &Status);
}
}
/*
==========================================================================
Description:
peer sends beacon back when scanning
==========================================================================
*/
VOID PeerBeaconAtScanAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
UCHAR Ssid[MAX_LEN_OF_SSID], BssType, Channel, NewChannel,
SsidLen, DtimCount, DtimPeriod, BcastFlag, MessageToMe;
CF_PARM CfParm;
USHORT BeaconPeriod, AtimWin, CapabilityInfo;
PFRAME_802_11 pFrame;
LARGE_INTEGER TimeStamp;
UCHAR Erp;
UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
UCHAR SupRateLen, ExtRateLen;
USHORT LenVIE;
UCHAR CkipFlag;
UCHAR AironetCellPowerLimit;
EDCA_PARM EdcaParm;
QBSS_LOAD_PARM QbssLoad;
QOS_CAPABILITY_PARM QosCapability;
ULONG RalinkIe;
UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
HT_CAPABILITY_IE HtCapability;
ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
UCHAR AddHtInfoLen;
UCHAR NewExtChannelOffset = 0xff;
// NdisFillMemory(Ssid, MAX_LEN_OF_SSID, 0x00);
pFrame = (PFRAME_802_11) Elem->Msg;
// Init Variable IE structure
pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
pVIE->Length = 0;
RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
if (PeerBeaconAndProbeRspSanity(pAd,
Elem->Msg,
Elem->MsgLen,
Elem->Channel,
Addr2,
Bssid,
(PCHAR)Ssid,
&SsidLen,
&BssType,
&BeaconPeriod,
&Channel,
&NewChannel,
&TimeStamp,
&CfParm,
&AtimWin,
&CapabilityInfo,
&Erp,
&DtimCount,
&DtimPeriod,
&BcastFlag,
&MessageToMe,
SupRate,
&SupRateLen,
ExtRate,
&ExtRateLen,
&CkipFlag,
&AironetCellPowerLimit,
&EdcaParm,
&QbssLoad,
&QosCapability,
&RalinkIe,
&HtCapabilityLen,
&PreNHtCapabilityLen,
&HtCapability,
&AddHtInfoLen,
&AddHtInfo,
&NewExtChannelOffset,
&LenVIE,
pVIE))
{
ULONG Idx;
CHAR Rssi = 0;
Idx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
if (Idx != BSS_NOT_FOUND)
Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;
Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
HtCapabilityLen = SIZE_HT_CAP_IE;
Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, (PCHAR)Ssid, SsidLen, BssType, BeaconPeriod,
&CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
&AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
&EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
if (Idx != BSS_NOT_FOUND)
{
NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
}
}
// sanity check fail, ignored
}
/*
==========================================================================
Description:
When waiting joining the (I)BSS, beacon received from external
==========================================================================
*/
VOID PeerBeaconAtJoinAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, BssType, Channel, MessageToMe,
DtimCount, DtimPeriod, BcastFlag, NewChannel;
LARGE_INTEGER TimeStamp;
USHORT BeaconPeriod, AtimWin, CapabilityInfo;
CF_PARM Cf;
BOOLEAN TimerCancelled;
UCHAR Erp;
UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
UCHAR SupRateLen, ExtRateLen;
UCHAR CkipFlag;
USHORT LenVIE;
UCHAR AironetCellPowerLimit;
EDCA_PARM EdcaParm;
QBSS_LOAD_PARM QbssLoad;
QOS_CAPABILITY_PARM QosCapability;
USHORT Status;
UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
ULONG RalinkIe;
ULONG Idx;
HT_CAPABILITY_IE HtCapability;
ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
UCHAR HtCapabilityLen = 0, PreNHtCapabilityLen = 0;
UCHAR AddHtInfoLen;
UCHAR NewExtChannelOffset = 0xff;
UCHAR CentralChannel;
BOOLEAN bAllowNrate = FALSE;
// Init Variable IE structure
pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
pVIE->Length = 0;
RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
if (PeerBeaconAndProbeRspSanity(pAd,
Elem->Msg,
Elem->MsgLen,
Elem->Channel,
Addr2,
Bssid,
(PCHAR)Ssid,
&SsidLen,
&BssType,
&BeaconPeriod,
&Channel,
&NewChannel,
&TimeStamp,
&Cf,
&AtimWin,
&CapabilityInfo,
&Erp,
&DtimCount,
&DtimPeriod,
&BcastFlag,
&MessageToMe,
SupRate,
&SupRateLen,
ExtRate,
&ExtRateLen,
&CkipFlag,
&AironetCellPowerLimit,
&EdcaParm,
&QbssLoad,
&QosCapability,
&RalinkIe,
&HtCapabilityLen,
&PreNHtCapabilityLen,
&HtCapability,
&AddHtInfoLen,
&AddHtInfo,
&NewExtChannelOffset,
&LenVIE,
pVIE))
{
// Disqualify 11b only adhoc when we are in 11g only adhoc mode
if ((BssType == BSS_ADHOC) && (pAd->CommonCfg.PhyMode == PHY_11G) && ((SupRateLen+ExtRateLen)< 12))
return;
// BEACON from desired BSS/IBSS found. We should be able to decide most
// BSS parameters here.
// Q. But what happen if this JOIN doesn't conclude a successful ASSOCIATEION?
// Do we need to receover back all parameters belonging to previous BSS?
// A. Should be not. There's no back-door recover to previous AP. It still need
// a new JOIN-AUTH-ASSOC sequence.
if (MAC_ADDR_EQUAL(pAd->MlmeAux.Bssid, Bssid))
{
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - receive desired BEACON at JoinWaitBeacon... Channel = %d\n", Channel));
RTMPCancelTimer(&pAd->MlmeAux.BeaconTimer, &TimerCancelled);
// Update RSSI to prevent No signal display when cards first initialized
pAd->StaCfg.RssiSample.LastRssi0 = ConvertToRssi(pAd, Elem->Rssi0, RSSI_0);
pAd->StaCfg.RssiSample.LastRssi1 = ConvertToRssi(pAd, Elem->Rssi1, RSSI_1);
pAd->StaCfg.RssiSample.LastRssi2 = ConvertToRssi(pAd, Elem->Rssi2, RSSI_2);
pAd->StaCfg.RssiSample.AvgRssi0 = pAd->StaCfg.RssiSample.LastRssi0;
pAd->StaCfg.RssiSample.AvgRssi0X8 = pAd->StaCfg.RssiSample.AvgRssi0 << 3;
pAd->StaCfg.RssiSample.AvgRssi1 = pAd->StaCfg.RssiSample.LastRssi1;
pAd->StaCfg.RssiSample.AvgRssi1X8 = pAd->StaCfg.RssiSample.AvgRssi1 << 3;
pAd->StaCfg.RssiSample.AvgRssi2 = pAd->StaCfg.RssiSample.LastRssi2;
pAd->StaCfg.RssiSample.AvgRssi2X8 = pAd->StaCfg.RssiSample.AvgRssi2 << 3;
//
// We need to check if SSID only set to any, then we can record the current SSID.
// Otherwise will cause hidden SSID association failed.
//
if (pAd->MlmeAux.SsidLen == 0)
{
NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);
pAd->MlmeAux.SsidLen = SsidLen;
}
else
{
Idx = BssSsidTableSearch(&pAd->ScanTab, Bssid, pAd->MlmeAux.Ssid, pAd->MlmeAux.SsidLen, Channel);
if (Idx == BSS_NOT_FOUND)
{
CHAR Rssi = 0;
Rssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
Idx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, (CHAR *) Ssid, SsidLen, BssType, BeaconPeriod,
&Cf, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
&AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, Rssi, TimeStamp, CkipFlag,
&EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
if (Idx != BSS_NOT_FOUND)
{
NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
}
}
else
{
//
// Multiple SSID case, used correct CapabilityInfo
//
CapabilityInfo = pAd->ScanTab.BssEntry[Idx].CapabilityInfo;
}
}
NdisMoveMemory(pAd->MlmeAux.Bssid, Bssid, MAC_ADDR_LEN);
pAd->MlmeAux.CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO;
pAd->MlmeAux.BssType = BssType;
pAd->MlmeAux.BeaconPeriod = BeaconPeriod;
pAd->MlmeAux.Channel = Channel;
pAd->MlmeAux.AtimWin = AtimWin;
pAd->MlmeAux.CfpPeriod = Cf.CfpPeriod;
pAd->MlmeAux.CfpMaxDuration = Cf.CfpMaxDuration;
pAd->MlmeAux.APRalinkIe = RalinkIe;
// Copy AP's supported rate to MlmeAux for creating assoication request
// Also filter out not supported rate
pAd->MlmeAux.SupRateLen = SupRateLen;
NdisMoveMemory(pAd->MlmeAux.SupRate, SupRate, SupRateLen);
RTMPCheckRates(pAd, pAd->MlmeAux.SupRate, &pAd->MlmeAux.SupRateLen);
pAd->MlmeAux.ExtRateLen = ExtRateLen;
NdisMoveMemory(pAd->MlmeAux.ExtRate, ExtRate, ExtRateLen);
RTMPCheckRates(pAd, pAd->MlmeAux.ExtRate, &pAd->MlmeAux.ExtRateLen);
NdisZeroMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, 16);
if (((pAd->StaCfg.WepStatus != Ndis802_11WEPEnabled) && (pAd->StaCfg.WepStatus != Ndis802_11Encryption2Enabled))
|| (pAd->CommonCfg.HT_DisallowTKIP == FALSE))
{
bAllowNrate = TRUE;
}
pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
pAd->MlmeAux.HtCapabilityLen = HtCapabilityLen;
RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
// filter out un-supported ht rates
if (((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0)) &&
((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) && (bAllowNrate)))
{
RTMPMoveMemory(&pAd->MlmeAux.AddHtInfo, &AddHtInfo, SIZE_ADD_HT_INFO_IE);
// StaActive.SupportedHtPhy.MCSSet stores Peer AP's 11n Rx capability
NdisMoveMemory(pAd->StaActive.SupportedPhyInfo.MCSSet, HtCapability.MCSSet, 16);
pAd->MlmeAux.NewExtChannelOffset = NewExtChannelOffset;
pAd->MlmeAux.HtCapabilityLen = SIZE_HT_CAP_IE;
pAd->StaActive.SupportedPhyInfo.bHtEnable = TRUE;
if (PreNHtCapabilityLen > 0)
pAd->StaActive.SupportedPhyInfo.bPreNHt = TRUE;
RTMPCheckHt(pAd, BSSID_WCID, &HtCapability, &AddHtInfo);
// Copy AP Parameter to StaActive. This is also in LinkUp.
DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction! (MpduDensity=%d, MaxRAmpduFactor=%d, BW=%d)\n",
pAd->StaActive.SupportedHtPhy.MpduDensity, pAd->StaActive.SupportedHtPhy.MaxRAmpduFactor, HtCapability.HtCapInfo.ChannelWidth));
if (AddHtInfoLen > 0)
{
CentralChannel = AddHtInfo.ControlChan;
// Check again the Bandwidth capability of this AP.
if ((AddHtInfo.ControlChan > 2)&& (AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_BELOW) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
{
CentralChannel = AddHtInfo.ControlChan - 2;
}
else if ((AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_ABOVE) && (HtCapability.HtCapInfo.ChannelWidth == BW_40))
{
CentralChannel = AddHtInfo.ControlChan + 2;
}
// Check Error .
if (pAd->MlmeAux.CentralChannel != CentralChannel)
DBGPRINT(RT_DEBUG_ERROR, ("PeerBeaconAtJoinAction HT===>Beacon Central Channel = %d, Control Channel = %d. Mlmeaux CentralChannel = %d\n", CentralChannel, AddHtInfo.ControlChan, pAd->MlmeAux.CentralChannel));
DBGPRINT(RT_DEBUG_TRACE, ("PeerBeaconAtJoinAction HT===>Central Channel = %d, Control Channel = %d, .\n", CentralChannel, AddHtInfo.ControlChan));
}
}
else
{
// To prevent error, let legacy AP must have same CentralChannel and Channel.
if ((HtCapabilityLen == 0) && (PreNHtCapabilityLen == 0))
pAd->MlmeAux.CentralChannel = pAd->MlmeAux.Channel;
pAd->StaActive.SupportedPhyInfo.bHtEnable = FALSE;
pAd->MlmeAux.NewExtChannelOffset = 0xff;
RTMPZeroMemory(&pAd->MlmeAux.HtCapability, SIZE_HT_CAP_IE);
pAd->MlmeAux.HtCapabilityLen = 0;
RTMPZeroMemory(&pAd->MlmeAux.AddHtInfo, SIZE_ADD_HT_INFO_IE);
}
RTMPUpdateMlmeRate(pAd);
// copy QOS related information
if ((pAd->CommonCfg.bWmmCapable)
|| (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
)
{
NdisMoveMemory(&pAd->MlmeAux.APEdcaParm, &EdcaParm, sizeof(EDCA_PARM));
NdisMoveMemory(&pAd->MlmeAux.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
NdisMoveMemory(&pAd->MlmeAux.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
}
else
{
NdisZeroMemory(&pAd->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));
NdisZeroMemory(&pAd->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));
NdisZeroMemory(&pAd->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));
}
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - after JOIN, SupRateLen=%d, ExtRateLen=%d\n",
pAd->MlmeAux.SupRateLen, pAd->MlmeAux.ExtRateLen));
if (AironetCellPowerLimit != 0xFF)
{
//We need to change our TxPower for CCX 2.0 AP Control of Client Transmit Power
ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
}
else //Used the default TX Power Percentage.
pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_SUCCESS;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
}
// not to me BEACON, ignored
}
// sanity check fail, ignore this frame
}
/*
==========================================================================
Description:
receive BEACON from peer
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID PeerBeacon(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Bssid[MAC_ADDR_LEN], Addr2[MAC_ADDR_LEN];
CHAR Ssid[MAX_LEN_OF_SSID];
CF_PARM CfParm;
UCHAR SsidLen, MessageToMe=0, BssType, Channel, NewChannel, index=0;
UCHAR DtimCount=0, DtimPeriod=0, BcastFlag=0;
USHORT CapabilityInfo, AtimWin, BeaconPeriod;
LARGE_INTEGER TimeStamp;
USHORT TbttNumToNextWakeUp;
UCHAR Erp;
UCHAR SupRate[MAX_LEN_OF_SUPPORTED_RATES], ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
UCHAR SupRateLen, ExtRateLen;
UCHAR CkipFlag;
USHORT LenVIE;
UCHAR AironetCellPowerLimit;
EDCA_PARM EdcaParm;
QBSS_LOAD_PARM QbssLoad;
QOS_CAPABILITY_PARM QosCapability;
ULONG RalinkIe;
// New for WPA security suites
UCHAR VarIE[MAX_VIE_LEN]; // Total VIE length = MAX_VIE_LEN - -5
NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
HT_CAPABILITY_IE HtCapability;
ADD_HT_INFO_IE AddHtInfo; // AP might use this additional ht info IE
UCHAR HtCapabilityLen, PreNHtCapabilityLen;
UCHAR AddHtInfoLen;
UCHAR NewExtChannelOffset = 0xff;
if (!(INFRA_ON(pAd) || ADHOC_ON(pAd)
))
return;
// Init Variable IE structure
pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
pVIE->Length = 0;
RTMPZeroMemory(&HtCapability, sizeof(HtCapability));
RTMPZeroMemory(&AddHtInfo, sizeof(ADD_HT_INFO_IE));
if (PeerBeaconAndProbeRspSanity(pAd,
Elem->Msg,
Elem->MsgLen,
Elem->Channel,
Addr2,
Bssid,
Ssid,
&SsidLen,
&BssType,
&BeaconPeriod,
&Channel,
&NewChannel,
&TimeStamp,
&CfParm,
&AtimWin,
&CapabilityInfo,
&Erp,
&DtimCount,
&DtimPeriod,
&BcastFlag,
&MessageToMe,
SupRate,
&SupRateLen,
ExtRate,
&ExtRateLen,
&CkipFlag,
&AironetCellPowerLimit,
&EdcaParm,
&QbssLoad,
&QosCapability,
&RalinkIe,
&HtCapabilityLen,
&PreNHtCapabilityLen,
&HtCapability,
&AddHtInfoLen,
&AddHtInfo,
&NewExtChannelOffset,
&LenVIE,
pVIE))
{
BOOLEAN is_my_bssid, is_my_ssid;
ULONG Bssidx, Now;
BSS_ENTRY *pBss;
CHAR RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
is_my_bssid = MAC_ADDR_EQUAL(Bssid, pAd->CommonCfg.Bssid)? TRUE : FALSE;
is_my_ssid = SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen)? TRUE:FALSE;
// ignore BEACON not for my SSID
if ((! is_my_ssid) && (! is_my_bssid))
return;
// It means STA waits disassoc completely from this AP, ignores this beacon.
if (pAd->Mlme.CntlMachine.CurrState == CNTL_WAIT_DISASSOC)
return;
// Copy Control channel for this BSSID.
if (AddHtInfoLen != 0)
Channel = AddHtInfo.ControlChan;
if ((HtCapabilityLen > 0) || (PreNHtCapabilityLen > 0))
HtCapabilityLen = SIZE_HT_CAP_IE;
//
// Housekeeping "SsidBssTab" table for later-on ROAMing usage.
//
Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
if (Bssidx == BSS_NOT_FOUND)
{
// discover new AP of this network, create BSS entry
Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
&CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen,
&HtCapability, &AddHtInfo,HtCapabilityLen,AddHtInfoLen,NewExtChannelOffset, Channel,
RealRssi, TimeStamp, CkipFlag, &EdcaParm, &QosCapability,
&QbssLoad, LenVIE, pVIE);
if (Bssidx == BSS_NOT_FOUND) // return if BSS table full
return;
NdisMoveMemory(pAd->ScanTab.BssEntry[Bssidx].PTSF, &Elem->Msg[24], 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
NdisMoveMemory(&pAd->ScanTab.BssEntry[Bssidx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
}
if ((pAd->CommonCfg.bIEEE80211H == 1) && (NewChannel != 0) && (Channel != NewChannel))
{
// Switching to channel 1 can prevent from rescanning the current channel immediately (by auto reconnection).
// In addition, clear the MLME queue and the scan table to discard the RX packets and previous scanning results.
AsicSwitchChannel(pAd, 1, FALSE);
AsicLockChannel(pAd, 1);
LinkDown(pAd, FALSE);
MlmeQueueInit(&pAd->Mlme.Queue);
BssTableInit(&pAd->ScanTab);
RTMPusecDelay(1000000); // use delay to prevent STA do reassoc
// channel sanity check
for (index = 0 ; index < pAd->ChannelListNum; index++)
{
if (pAd->ChannelList[index].Channel == NewChannel)
{
pAd->ScanTab.BssEntry[Bssidx].Channel = NewChannel;
pAd->CommonCfg.Channel = NewChannel;
AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
AsicLockChannel(pAd, pAd->CommonCfg.Channel);
DBGPRINT(RT_DEBUG_TRACE, ("PeerBeacon - STA receive channel switch announcement IE (New Channel =%d)\n", NewChannel));
break;
}
}
if (index >= pAd->ChannelListNum)
{
DBGPRINT_ERR(("PeerBeacon(can not find New Channel=%d in ChannelList[%d]\n", pAd->CommonCfg.Channel, pAd->ChannelListNum));
}
}
// if the ssid matched & bssid unmatched, we should select the bssid with large value.
// This might happened when two STA start at the same time
if ((! is_my_bssid) && ADHOC_ON(pAd))
{
INT i;
// Add the safeguard against the mismatch of adhoc wep status
if (pAd->StaCfg.WepStatus != pAd->ScanTab.BssEntry[Bssidx].WepStatus)
{
return;
}
// collapse into the ADHOC network which has bigger BSSID value.
for (i = 0; i < 6; i++)
{
if (Bssid[i] > pAd->CommonCfg.Bssid[i])
{
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - merge to the IBSS with bigger BSSID=%02x:%02x:%02x:%02x:%02x:%02x\n",
Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5]));
AsicDisableSync(pAd);
COPY_MAC_ADDR(pAd->CommonCfg.Bssid, Bssid);
AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
MakeIbssBeacon(pAd); // re-build BEACON frame
AsicEnableIbssSync(pAd); // copy BEACON frame to on-chip memory
is_my_bssid = TRUE;
break;
}
else if (Bssid[i] < pAd->CommonCfg.Bssid[i])
break;
}
}
NdisGetSystemUpTime(&Now);
pBss = &pAd->ScanTab.BssEntry[Bssidx];
pBss->Rssi = RealRssi; // lastest RSSI
pBss->LastBeaconRxTime = Now; // last RX timestamp
//
// BEACON from my BSSID - either IBSS or INFRA network
//
if (is_my_bssid)
{
RXWI_STRUC RxWI;
pAd->StaCfg.DtimCount = DtimCount;
pAd->StaCfg.DtimPeriod = DtimPeriod;
pAd->StaCfg.LastBeaconRxTime = Now;
RxWI.RSSI0 = Elem->Rssi0;
RxWI.RSSI1 = Elem->Rssi1;
RxWI.RSSI2 = Elem->Rssi2;
Update_Rssi_Sample(pAd, &pAd->StaCfg.RssiSample, &RxWI);
if (AironetCellPowerLimit != 0xFF)
{
//
// We get the Cisco (ccx) "TxPower Limit" required
// Changed to appropriate TxPower Limit for Ciso Compatible Extensions
//
ChangeToCellPowerLimit(pAd, AironetCellPowerLimit);
}
else
{
//
// AironetCellPowerLimit equal to 0xFF means the Cisco (ccx) "TxPower Limit" not exist.
// Used the default TX Power Percentage, that set from UI.
//
pAd->CommonCfg.TxPowerPercentage = pAd->CommonCfg.TxPowerDefault;
}
if (ADHOC_ON(pAd) && (CAP_IS_IBSS_ON(CapabilityInfo)))
{
UCHAR MaxSupportedRateIn500Kbps = 0;
UCHAR idx;
MAC_TABLE_ENTRY *pEntry;
// supported rates array may not be sorted. sort it and find the maximum rate
for (idx=0; idx<SupRateLen; idx++)
{
if (MaxSupportedRateIn500Kbps < (SupRate[idx] & 0x7f))
MaxSupportedRateIn500Kbps = SupRate[idx] & 0x7f;
}
for (idx=0; idx<ExtRateLen; idx++)
{
if (MaxSupportedRateIn500Kbps < (ExtRate[idx] & 0x7f))
MaxSupportedRateIn500Kbps = ExtRate[idx] & 0x7f;
}
// look up the existing table
pEntry = MacTableLookup(pAd, Addr2);
// Ad-hoc mode is using MAC address as BA session. So we need to continuously find newly joined adhoc station by receiving beacon.
// To prevent always check this, we use wcid == RESERVED_WCID to recognize it as newly joined adhoc station.
if ((ADHOC_ON(pAd) && (Elem->Wcid == RESERVED_WCID)) ||
(pEntry && ((pEntry->LastBeaconRxTime + ADHOC_ENTRY_BEACON_LOST_TIME) < Now)))
{
if (pEntry == NULL)
// Another adhoc joining, add to our MAC table.
pEntry = MacTableInsertEntry(pAd, Addr2, BSS0, FALSE);
if (StaAddMacTableEntry(pAd,
pEntry,
MaxSupportedRateIn500Kbps,
&HtCapability,
HtCapabilityLen,
&AddHtInfo,
AddHtInfoLen,
CapabilityInfo) == FALSE)
{
DBGPRINT(RT_DEBUG_TRACE, ("ADHOC - Add Entry failed.\n"));
return;
}
if (pEntry &&
(Elem->Wcid == RESERVED_WCID))
{
idx = pAd->StaCfg.DefaultKeyId;
RTMP_STA_SECURITY_INFO_ADD(pAd, BSS0, idx, pEntry);
}
}
if (pEntry && pEntry->ValidAsCLI)
pEntry->LastBeaconRxTime = Now;
// At least another peer in this IBSS, declare MediaState as CONNECTED
if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))
{
OPSTATUS_SET_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
pAd->IndicateMediaState = NdisMediaStateConnected;
RTMP_IndicateMediaState(pAd);
pAd->ExtraInfo = GENERAL_LINK_UP;
AsicSetBssid(pAd, pAd->CommonCfg.Bssid);
// 2003/03/12 - john
// Make sure this entry in "ScanTab" table, thus complies to Microsoft's policy that
// "site survey" result should always include the current connected network.
//
Bssidx = BssTableSearch(&pAd->ScanTab, Bssid, Channel);
if (Bssidx == BSS_NOT_FOUND)
{
Bssidx = BssTableSetEntry(pAd, &pAd->ScanTab, Bssid, Ssid, SsidLen, BssType, BeaconPeriod,
&CfParm, AtimWin, CapabilityInfo, SupRate, SupRateLen, ExtRate, ExtRateLen, &HtCapability,
&AddHtInfo, HtCapabilityLen, AddHtInfoLen, NewExtChannelOffset, Channel, RealRssi, TimeStamp, 0,
&EdcaParm, &QosCapability, &QbssLoad, LenVIE, pVIE);
}
DBGPRINT(RT_DEBUG_TRACE, ("ADHOC fOP_STATUS_MEDIA_STATE_CONNECTED.\n"));
}
}
if (INFRA_ON(pAd))
{
BOOLEAN bUseShortSlot, bUseBGProtection;
// decide to use/change to -
// 1. long slot (20 us) or short slot (9 us) time
// 2. turn on/off RTS/CTS and/or CTS-to-self protection
// 3. short preamble
//bUseShortSlot = pAd->CommonCfg.bUseShortSlotTime && CAP_IS_SHORT_SLOT(CapabilityInfo);
bUseShortSlot = CAP_IS_SHORT_SLOT(CapabilityInfo);
if (bUseShortSlot != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_SLOT_INUSED))
AsicSetSlotTime(pAd, bUseShortSlot);
bUseBGProtection = (pAd->CommonCfg.UseBGProtection == 1) || // always use
((pAd->CommonCfg.UseBGProtection == 0) && ERP_IS_USE_PROTECTION(Erp));
if (pAd->CommonCfg.Channel > 14) // always no BG protection in A-band. falsely happened when switching A/G band to a dual-band AP
bUseBGProtection = FALSE;
if (bUseBGProtection != OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED))
{
if (bUseBGProtection)
{
OPSTATUS_SET_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),FALSE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
}
else
{
OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_BG_PROTECTION_INUSED);
AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, (OFDMSETPROTECT|CCKSETPROTECT|ALLN_SETPROTECT),TRUE,(pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1));
}
DBGPRINT(RT_DEBUG_WARN, ("SYNC - AP changed B/G protection to %d\n", bUseBGProtection));
}
// check Ht protection mode. and adhere to the Non-GF device indication by AP.
if ((AddHtInfoLen != 0) &&
((AddHtInfo.AddHtInfo2.OperaionMode != pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode) ||
(AddHtInfo.AddHtInfo2.NonGfPresent != pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent)))
{
pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent = AddHtInfo.AddHtInfo2.NonGfPresent;
pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode = AddHtInfo.AddHtInfo2.OperaionMode;
if (pAd->MlmeAux.AddHtInfo.AddHtInfo2.NonGfPresent == 1)
{
AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, TRUE);
}
else
AsicUpdateProtect(pAd, pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode, ALLN_SETPROTECT, FALSE, FALSE);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP changed N OperaionMode to %d\n", pAd->MlmeAux.AddHtInfo.AddHtInfo2.OperaionMode));
}
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED) &&
ERP_IS_USE_BARKER_PREAMBLE(Erp))
{
MlmeSetTxPreamble(pAd, Rt802_11PreambleLong);
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP forced to use LONG preamble\n"));
}
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) &&
(EdcaParm.bValid == TRUE) &&
(EdcaParm.EdcaUpdateCount != pAd->CommonCfg.APEdcaParm.EdcaUpdateCount))
{
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - AP change EDCA parameters(from %d to %d)\n",
pAd->CommonCfg.APEdcaParm.EdcaUpdateCount,
EdcaParm.EdcaUpdateCount));
AsicSetEdcaParm(pAd, &EdcaParm);
}
// copy QOS related information
NdisMoveMemory(&pAd->CommonCfg.APQbssLoad, &QbssLoad, sizeof(QBSS_LOAD_PARM));
NdisMoveMemory(&pAd->CommonCfg.APQosCapability, &QosCapability, sizeof(QOS_CAPABILITY_PARM));
}
// only INFRASTRUCTURE mode support power-saving feature
if ((INFRA_ON(pAd) && (pAd->StaCfg.Psm == PWR_SAVE)) || (pAd->CommonCfg.bAPSDForcePowerSave))
{
UCHAR FreeNumber;
// 1. AP has backlogged unicast-to-me frame, stay AWAKE, send PSPOLL
// 2. AP has backlogged broadcast/multicast frame and we want those frames, stay AWAKE
// 3. we have outgoing frames in TxRing or MgmtRing, better stay AWAKE
// 4. Psm change to PWR_SAVE, but AP not been informed yet, we better stay AWAKE
// 5. otherwise, put PHY back to sleep to save battery.
if (MessageToMe)
{
#ifdef RTMP_MAC_PCI
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE))
{
// Restore to correct BBP R3 value
if (pAd->Antenna.field.RxPath > 1)
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
// Turn clk to 80Mhz.
}
#endif // RTMP_MAC_PCI //
if (pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable &&
pAd->CommonCfg.bAPSDAC_BE && pAd->CommonCfg.bAPSDAC_BK && pAd->CommonCfg.bAPSDAC_VI && pAd->CommonCfg.bAPSDAC_VO)
{
pAd->CommonCfg.bNeedSendTriggerFrame = TRUE;
}
else
RTMP_PS_POLL_ENQUEUE(pAd);
}
else if (BcastFlag && (DtimCount == 0) && OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM))
{
#ifdef RTMP_MAC_PCI
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE))
{
if (pAd->Antenna.field.RxPath > 1)
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
}
#endif // RTMP_MAC_PCI //
}
else if ((pAd->TxSwQueue[QID_AC_BK].Number != 0) ||
(pAd->TxSwQueue[QID_AC_BE].Number != 0) ||
(pAd->TxSwQueue[QID_AC_VI].Number != 0) ||
(pAd->TxSwQueue[QID_AC_VO].Number != 0) ||
(RTMPFreeTXDRequest(pAd, QID_AC_BK, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
(RTMPFreeTXDRequest(pAd, QID_AC_BE, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
(RTMPFreeTXDRequest(pAd, QID_AC_VI, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
(RTMPFreeTXDRequest(pAd, QID_AC_VO, TX_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS) ||
(RTMPFreeTXDRequest(pAd, QID_MGMT, MGMT_RING_SIZE - 1, &FreeNumber) != NDIS_STATUS_SUCCESS))
{
// TODO: consider scheduled HCCA. might not be proper to use traditional DTIM-based power-saving scheme
// can we cheat here (i.e. just check MGMT & AC_BE) for better performance?
#ifdef RTMP_MAC_PCI
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_PCIE_DEVICE))
{
if (pAd->Antenna.field.RxPath > 1)
RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, pAd->StaCfg.BBPR3);
}
#endif // RTMP_MAC_PCI //
}
else
{
if ((pAd->CommonCfg.bACMAPSDTr[QID_AC_VO]) ||
(pAd->CommonCfg.bACMAPSDTr[QID_AC_VI]) ||
(pAd->CommonCfg.bACMAPSDTr[QID_AC_BK]) ||
(pAd->CommonCfg.bACMAPSDTr[QID_AC_BE]))
{
/*
WMM Spec v1.0 3.6.2.4,
The WMM STA shall remain awake until it receives a
QoS Data or Null frame addressed to it, with the
EOSP subfield in QoS Control field set to 1.
So we can not sleep here or we will suffer a case:
PS Management Frame -->
Trigger frame -->
Beacon (TIM=0) (Beacon is closer to Trig frame) -->
Station goes to sleep -->
AP delivery queued UAPSD packets -->
Station can NOT receive the reply
Maybe we need a timeout timer to avoid that we do
NOT receive the EOSP frame.
We can not use More Data to check if SP is ended
due to MaxSPLength.
*/
}
else
{
USHORT NextDtim = DtimCount;
if (NextDtim == 0)
NextDtim = DtimPeriod;
TbttNumToNextWakeUp = pAd->StaCfg.DefaultListenCount;
if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_RECEIVE_DTIM) && (TbttNumToNextWakeUp > NextDtim))
TbttNumToNextWakeUp = NextDtim;
if (!OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
{
// Set a flag to go to sleep . Then after parse this RxDoneInterrupt, will go to sleep mode.
pAd->ThisTbttNumToNextWakeUp = TbttNumToNextWakeUp;
AsicSleepThenAutoWakeup(pAd, pAd->ThisTbttNumToNextWakeUp);
}
}
}
}
}
// not my BSSID, ignore it
}
// sanity check fail, ignore this frame
}
/*
==========================================================================
Description:
Receive PROBE REQ from remote peer when operating in IBSS mode
==========================================================================
*/
VOID PeerProbeReqAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
UCHAR Addr2[MAC_ADDR_LEN];
CHAR Ssid[MAX_LEN_OF_SSID];
UCHAR SsidLen;
UCHAR HtLen, AddHtLen, NewExtLen;
HEADER_802_11 ProbeRspHdr;
NDIS_STATUS NStatus;
PUCHAR pOutBuffer = NULL;
ULONG FrameLen = 0;
LARGE_INTEGER FakeTimestamp;
UCHAR DsLen = 1, IbssLen = 2;
UCHAR LocalErpIe[3] = {IE_ERP, 1, 0};
BOOLEAN Privacy;
USHORT CapabilityInfo;
UCHAR RSNIe = IE_WPA;
if (! ADHOC_ON(pAd))
return;
if (PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, Addr2, Ssid, &SsidLen))
{
if ((SsidLen == 0) || SSID_EQUAL(Ssid, SsidLen, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen))
{
// allocate and send out ProbeRsp frame
NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
if (NStatus != NDIS_STATUS_SUCCESS)
return;
//pAd->StaCfg.AtimWin = 0; // ??????
Privacy = (pAd->StaCfg.WepStatus == Ndis802_11Encryption1Enabled) ||
(pAd->StaCfg.WepStatus == Ndis802_11Encryption2Enabled) ||
(pAd->StaCfg.WepStatus == Ndis802_11Encryption3Enabled);
CapabilityInfo = CAP_GENERATE(0, 1, Privacy, (pAd->CommonCfg.TxPreamble == Rt802_11PreambleShort), 0, 0);
MakeOutgoingFrame(pOutBuffer, &FrameLen,
sizeof(HEADER_802_11), &ProbeRspHdr,
TIMESTAMP_LEN, &FakeTimestamp,
2, &pAd->CommonCfg.BeaconPeriod,
2, &CapabilityInfo,
1, &SsidIe,
1, &pAd->CommonCfg.SsidLen,
pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1, &SupRateIe,
1, &pAd->StaActive.SupRateLen,
pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
1, &DsIe,
1, &DsLen,
1, &pAd->CommonCfg.Channel,
1, &IbssIe,
1, &IbssLen,
2, &pAd->StaActive.AtimWin,
END_OF_ARGS);
if (pAd->StaActive.ExtRateLen)
{
ULONG tmp;
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
3, LocalErpIe,
1, &ExtRateIe,
1, &pAd->StaActive.ExtRateLen,
pAd->StaActive.ExtRateLen, &pAd->StaActive.ExtRate,
END_OF_ARGS);
FrameLen += tmp;
}
// If adhoc secruity is set for WPA-None, append the cipher suite IE
if (pAd->StaCfg.AuthMode == Ndis802_11AuthModeWPANone)
{
ULONG tmp;
MakeOutgoingFrame(pOutBuffer + FrameLen, &tmp,
1, &RSNIe,
1, &pAd->StaCfg.RSNIE_Len,
pAd->StaCfg.RSNIE_Len, pAd->StaCfg.RSN_IE,
END_OF_ARGS);
FrameLen += tmp;
}
if (pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED)
{
ULONG TmpLen;
UCHAR BROADCOM[4] = {0x0, 0x90, 0x4c, 0x33};
HtLen = sizeof(pAd->CommonCfg.HtCapability);
AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
NewExtLen = 1;
//New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame
if (pAd->bBroadComHT == TRUE)
{
MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1, &WpaIe,
4, &BROADCOM[0],
pAd->MlmeAux.HtCapabilityLen, &pAd->MlmeAux.HtCapability,
END_OF_ARGS);
}
else
{
MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
1, &HtCapIe,
1, &HtLen,
sizeof(HT_CAPABILITY_IE), &pAd->CommonCfg.HtCapability,
1, &AddHtInfoIe,
1, &AddHtLen,
sizeof(ADD_HT_INFO_IE), &pAd->CommonCfg.AddHTInfo,
1, &NewExtChanIe,
1, &NewExtLen,
sizeof(NEW_EXT_CHAN_IE), &pAd->CommonCfg.NewExtChanOffset,
END_OF_ARGS);
}
FrameLen += TmpLen;
}
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
}
}
}
VOID BeaconTimeoutAtJoinAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BeaconTimeoutAtJoinAction\n"));
pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
Status = MLME_REJ_TIMEOUT;
MlmeEnqueue(pAd, MLME_CNTL_STATE_MACHINE, MT2_JOIN_CONF, 2, &Status);
}
/*
==========================================================================
Description:
Scan timeout procedure. basically add channel index by 1 and rescan
==========================================================================
*/
VOID ScanTimeoutAction(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
// Only one channel scanned for CISCO beacon request
if ((pAd->MlmeAux.ScanType == SCAN_CISCO_ACTIVE) ||
(pAd->MlmeAux.ScanType == SCAN_CISCO_PASSIVE) ||
(pAd->MlmeAux.ScanType == SCAN_CISCO_NOISE) ||
(pAd->MlmeAux.ScanType == SCAN_CISCO_CHANNEL_LOAD))
pAd->MlmeAux.Channel = 0;
// this routine will stop if pAd->MlmeAux.Channel == 0
ScanNextChannel(pAd);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenScan(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). 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);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenJoin(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenJoin(state=%ld). 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);
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID InvalidStateWhenStart(
IN PRTMP_ADAPTER pAd,
IN MLME_QUEUE_ELEM *Elem)
{
USHORT Status;
DBGPRINT(RT_DEBUG_TRACE, ("InvalidStateWhenStart(state=%ld). 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);
}
/*
==========================================================================
Description:
IRQL = DISPATCH_LEVEL
==========================================================================
*/
VOID EnqueuePsPoll(
IN PRTMP_ADAPTER pAd)
{
if (pAd->StaCfg.WindowsPowerMode == Ndis802_11PowerModeLegacy_PSP)
pAd->PsPollFrame.FC.PwrMgmt = PWR_SAVE;
MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->PsPollFrame, sizeof(PSPOLL_FRAME));
}
/*
==========================================================================
Description:
==========================================================================
*/
VOID EnqueueProbeRequest(
IN PRTMP_ADAPTER pAd)
{
NDIS_STATUS NState;
PUCHAR pOutBuffer;
ULONG FrameLen = 0;
HEADER_802_11 Hdr80211;
DBGPRINT(RT_DEBUG_TRACE, ("force out a ProbeRequest ...\n"));
NState = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
if (NState == NDIS_STATUS_SUCCESS)
{
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->CommonCfg.SsidLen,
pAd->CommonCfg.SsidLen, pAd->CommonCfg.Ssid,
1, &SupRateIe,
1, &pAd->StaActive.SupRateLen,
pAd->StaActive.SupRateLen, pAd->StaActive.SupRate,
END_OF_ARGS);
MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);
MlmeFreeMemory(pAd, pOutBuffer);
}
}
BOOLEAN ScanRunning(
IN PRTMP_ADAPTER pAd)
{
return (pAd->Mlme.SyncMachine.CurrState == SCAN_LISTEN) ? TRUE : FALSE;
}
