Exemplo n.º 1
0
/*
	==========================================================================
	Description:
		Scan next channel
	==========================================================================
 */
VOID ScanNextChannel(
	IN PRTMP_ADAPTER pAd,
	IN UCHAR OpMode) 
{
	UCHAR ScanType = pAd->MlmeAux.ScanType;
	UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
	BOOLEAN ScanPending = FALSE;
	RALINK_TIMER_STRUCT *sc_timer;
	UINT stay_time = 0;
			

#ifdef RALINK_ATE
	/* Nothing to do in ATE mode. */
	if (ATE_ON(pAd))
		return;
#endif /* RALINK_ATE */


#ifdef CONFIG_STA_SUPPORT
	IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
	{
		if (MONITOR_ON(pAd))
			return;
	}

	ScanPending = ((pAd->StaCfg.bImprovedScan) && (pAd->StaCfg.ScanChannelCnt>=7));
#endif /* CONFIG_STA_SUPPORT */

#ifdef RT_CFG80211_SUPPORT
#ifdef CONFIG_STA_SUPPORT
                if ( (pAd->pCfg80211ChanList != NULL) && (pAd->MlmeAux.Channel != 0))
                {
                        UINT32 ChanId;
                        for ( ChanId = 0 ; ChanId <pAd->Cfg80211ChanListLan ; ChanId++ )
                        {
                                if ( pAd->pCfg80211ChanList[ChanId] >= pAd->MlmeAux.Channel )
                                {
                                        pAd->MlmeAux.Channel = pAd->pCfg80211ChanList[ChanId];
                                        break;
                                }
                        }

                }
#endif /* CONFIG_STA_SUPPORT */
#endif /* RT_CFG80211_SUPPORT */

	if ((pAd->MlmeAux.Channel == 0) || ScanPending) 
	{
		scan_ch_restore(pAd, OpMode);
	} 
#ifdef RTMP_MAC_USB
#ifdef CONFIG_STA_SUPPORT
	else if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST) &&
		(OpMode == OPMODE_STA))
	{
		pAd->Mlme.SyncMachine.CurrState = SYNC_IDLE;
		MlmeCntlConfirm(pAd, MT2_SCAN_CONF, MLME_FAIL_NO_RESOURCE);
	}	
#endif /* CONFIG_STA_SUPPORT */
#endif /* RTMP_MAC_USB */
	else 
	{
#ifdef CONFIG_STA_SUPPORT
		if (OpMode == OPMODE_STA)
		{
			/* 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, TRUE);

			/* leave PSM during scanning. otherwise we may lost ProbeRsp & BEACON*/
			if (pAd->StaCfg.Psm == PWR_SAVE)
				RTMP_SET_PSM_BIT(pAd, PWR_ACTIVE);
		}
#endif /* CONFIG_STA_SUPPORT */

		AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
		AsicLockChannel(pAd, pAd->MlmeAux.Channel);

#ifdef CONFIG_STA_SUPPORT
		if (OpMode == OPMODE_STA)
		{
			BOOLEAN bScanPassive = FALSE;
			if (pAd->MlmeAux.Channel > 14)
			{
				if ((pAd->CommonCfg.bIEEE80211H == 1)
					&& RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
					bScanPassive = TRUE;
			}
#ifdef CARRIER_DETECTION_SUPPORT
			if (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
				bScanPassive = TRUE;
#endif /* CARRIER_DETECTION_SUPPORT */ 

			if (bScanPassive)
			{
				ScanType = SCAN_PASSIVE;
				ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
			}
		}

#endif /* CONFIG_STA_SUPPORT */

		/* Check if channel if passive scan under current regulatory domain */
		if (CHAN_PropertyCheck(pAd, pAd->MlmeAux.Channel, CHANNEL_PASSIVE_SCAN) == TRUE)
			ScanType = SCAN_PASSIVE;


		if (OpMode == OPMODE_AP)
			sc_timer = &pAd->MlmeAux.APScanTimer;
		else
			sc_timer = &pAd->MlmeAux.ScanTimer;
			
		/* 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 (ScanType == FAST_SCAN_ACTIVE)
			stay_time = FAST_ACTIVE_SCAN_TIME;
		else /* must be SCAN_PASSIVE or SCAN_ACTIVE*/
		{
#ifdef CONFIG_STA_SUPPORT
			pAd->StaCfg.ScanChannelCnt++;
#endif /* CONFIG_STA_SUPPORT */

#ifdef CONFIG_AP_SUPPORT
			if ((OpMode == OPMODE_AP) && (pAd->ApCfg.bAutoChannelAtBootup))
				stay_time = AUTO_CHANNEL_SEL_TIMEOUT;
			else
#endif /* CONFIG_AP_SUPPORT */
			if (WMODE_CAP_2G(pAd->CommonCfg.PhyMode) &&
				WMODE_CAP_5G(pAd->CommonCfg.PhyMode))
			{
				if (pAd->MlmeAux.Channel > 14)
					stay_time = ScanTimeIn5gChannel;
				else
					stay_time = MIN_CHANNEL_TIME;
			}
			else
				stay_time = MAX_CHANNEL_TIME;
		}
				
		RTMPSetTimer(sc_timer, stay_time);
			
		if (SCAN_MODE_ACT(ScanType))
		{
			if (scan_active(pAd, OpMode, ScanType) == FALSE)
				return;
		}

		/* For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse*/
		
#ifdef CONFIG_STA_SUPPORT
		if (OpMode == OPMODE_STA)
			pAd->Mlme.SyncMachine.CurrState = SCAN_LISTEN;
#endif /* CONFIG_STA_SUPPORT */
#ifdef CONFIG_AP_SUPPORT
		if (OpMode == OPMODE_AP)
			pAd->Mlme.ApSyncMachine.CurrState = AP_SCAN_LISTEN;
#endif /* CONFIG_AP_SUPPORT */
	}
}
Exemplo n.º 2
0
/*
	==========================================================================
	Description:
		Scan next channel
	==========================================================================
 */
VOID ScanNextChannel(
	IN PRTMP_ADAPTER pAd,
	IN UCHAR OpMode) 
{
	UCHAR ScanType = pAd->MlmeAux.ScanType;
	UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
	BOOLEAN ScanPending = FALSE;
	RALINK_TIMER_STRUCT *sc_timer = NULL;
	UINT stay_time = 0;
			

#ifdef RALINK_ATE
	/* Nothing to do in ATE mode. */
	if (ATE_ON(pAd))
		return;
#endif /* RALINK_ATE */



#ifdef CONFIG_AP_SUPPORT
	ScanPending = ((pAd->ApCfg.bImprovedScan) && (pAd->ApCfg.ScanChannelCnt>=3));//7
#endif

	if ((pAd->MlmeAux.Channel == 0) || ScanPending) 
	{
		scan_ch_restore(pAd, OpMode);
	} 
	else 
	{

		AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
		AsicLockChannel(pAd, pAd->MlmeAux.Channel);

		{
			BOOLEAN bScanPassive = FALSE;
			if (pAd->MlmeAux.Channel > 14)
			{
				if ((pAd->CommonCfg.bIEEE80211H == 1)
					&& RadarChannelCheck(pAd, pAd->MlmeAux.Channel))
					bScanPassive = TRUE;
			}
#ifdef CARRIER_DETECTION_SUPPORT
			if (pAd->CommonCfg.CarrierDetect.Enable == TRUE)
				bScanPassive = TRUE;
#endif /* CARRIER_DETECTION_SUPPORT */ 

			if (bScanPassive)
			{
				ScanType = SCAN_PASSIVE;
				ScanTimeIn5gChannel = MIN_CHANNEL_TIME;
			}
		}

		/* Check if channel if passive scan under current regulatory domain */
		if (CHAN_PropertyCheck(pAd, pAd->MlmeAux.Channel, CHANNEL_PASSIVE_SCAN) == TRUE)
			ScanType = SCAN_PASSIVE;


		if (OpMode == OPMODE_AP)
			sc_timer = &pAd->MlmeAux.APScanTimer;
		else
			sc_timer = &pAd->MlmeAux.ScanTimer;
			
		/* 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 */
#ifdef CONFIG_AP_SUPPORT
		if (ScanType == FAST_SCAN_ACTIVE) {
			RTMPSetTimer(&pAd->MlmeAux.APScanTimer, MIN_CHANNEL_TIME);//Carter test MIN_CHANNEL_TIME instead of Fast_Scan_Time
			pAd->ApCfg.ScanChannelCnt++;
		}
		else /* must be SCAN_PASSIVE or SCAN_ACTIVE*/
#endif
		{

#ifdef CONFIG_AP_SUPPORT
			pAd->ApCfg.ScanChannelCnt++;
			if ((OpMode == OPMODE_AP) && (pAd->ApCfg.bAutoChannelAtBootup))
				stay_time = AUTO_CHANNEL_SEL_TIMEOUT;
			else
#endif /* CONFIG_AP_SUPPORT */
			if (WMODE_CAP_2G(pAd->CommonCfg.PhyMode) &&
				WMODE_CAP_5G(pAd->CommonCfg.PhyMode))
			{
				if (pAd->MlmeAux.Channel > 14)
					stay_time = ScanTimeIn5gChannel;
				else
					stay_time = MIN_CHANNEL_TIME;
			}
			else
				stay_time = MAX_CHANNEL_TIME;
		}
				
		RTMPSetTimer(sc_timer, stay_time);
			
		if (SCAN_MODE_ACT(ScanType))
		{
			if (scan_active(pAd, OpMode, ScanType) == FALSE)
				return;
		}

		/* For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse*/
		
#ifdef CONFIG_AP_SUPPORT
		if (OpMode == OPMODE_AP)
			pAd->Mlme.ApSyncMachine.CurrState = AP_SCAN_LISTEN;
#endif /* CONFIG_AP_SUPPORT */
	}
}
Exemplo n.º 3
0
/*
	==========================================================================
	Description:
		Scan next channel
	==========================================================================
 */
VOID ScanNextChannel(RTMP_ADAPTER *pAd, UCHAR OpMode)
{
	UCHAR ScanType = SCAN_TYPE_MAX;
	UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
	BOOLEAN ScanPending = FALSE;
	RALINK_TIMER_STRUCT *sc_timer = NULL;
	UINT stay_time = 0;


#ifdef CONFIG_ATE
	/* Nothing to do in ATE mode. */
	if (ATE_ON(pAd))
		return;
#endif /* CONFIG_ATE */



#ifdef CONFIG_AP_SUPPORT
	if (OpMode == OPMODE_AP)
		ScanType = pAd->ScanCtrl.ScanType;
#endif /* CONFIG_AP_SUPPORT */
	if (ScanType == SCAN_TYPE_MAX) {
		DBGPRINT(RT_DEBUG_ERROR, ("%s():Incorrect ScanType!\n", __FUNCTION__));
		return;
	}

#ifdef RT_CFG80211_SUPPORT
	/* Since the Channel List is from Upper layer */
	if (CFG80211DRV_OpsScanRunning(pAd))
		pAd->ScanCtrl.Channel = CFG80211DRV_OpsScanGetNextChannel(pAd);
#endif /* RT_CFG80211_SUPPORT */

	if ((pAd->ScanCtrl.Channel == 0) || ScanPending) 
	{
		scan_ch_restore(pAd, OpMode);
	} 
	else 
	{

		AsicSwitchChannel(pAd, pAd->ScanCtrl.Channel, TRUE);
		AsicLockChannel(pAd, pAd->ScanCtrl.Channel);


		/* Check if channel if passive scan under current regulatory domain */
		if (CHAN_PropertyCheck(pAd, pAd->ScanCtrl.Channel, CHANNEL_PASSIVE_SCAN) == TRUE)
			ScanType = SCAN_PASSIVE;

#if defined(DPA_T) || defined(WIFI_REGION32_HIDDEN_SSID_SUPPORT)
		/* Ch 12~14 is passive scan, No matter DFS and 80211H setting is y or n */
		if ((pAd->ScanCtrl.Channel >= 12) && (pAd->ScanCtrl.Channel <= 14))
			ScanType = SCAN_PASSIVE;
#endif /* DPA_T */

#ifdef CONFIG_AP_SUPPORT
		if (OpMode == OPMODE_AP)
			sc_timer = &pAd->ScanCtrl.APScanTimer;
#endif /* CONFIG_AP_SUPPORT */
		if (!sc_timer) {
			DBGPRINT(RT_DEBUG_ERROR, ("%s():ScanTimer not assigned!\n", __FUNCTION__));
			return;
		}
			
		/* 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 (ScanType == FAST_SCAN_ACTIVE)
			stay_time = FAST_ACTIVE_SCAN_TIME;
		else /* must be SCAN_PASSIVE or SCAN_ACTIVE*/
		{

#ifdef CONFIG_AP_SUPPORT
			if ((OpMode == OPMODE_AP) && (pAd->ApCfg.bAutoChannelAtBootup))
				stay_time = AUTO_CHANNEL_SEL_TIMEOUT;
			else
#endif /* CONFIG_AP_SUPPORT */
			if (WMODE_CAP_2G(pAd->CommonCfg.PhyMode) &&
				WMODE_CAP_5G(pAd->CommonCfg.PhyMode))
			{
				if (pAd->ScanCtrl.Channel > 14)
					stay_time = ScanTimeIn5gChannel;
				else
					stay_time = MIN_CHANNEL_TIME;
			}
			else
				stay_time = MAX_CHANNEL_TIME;
		}

#ifdef RT_CFG80211_SUPPORT
	//CFG_TODO: for testing.
	/* Since the Channel List is from Upper layer */
	if (CFG80211DRV_OpsScanRunning(pAd) && 
	    (pAd->cfg80211_ctrl.Cfg80211ChanListLen == 1))
		stay_time = 500;
#endif /* RT_CFG80211_SUPPORT */			
				
		RTMPSetTimer(sc_timer, stay_time);
			
		if (SCAN_MODE_ACT(ScanType))
		{
			if (scan_active(pAd, OpMode, ScanType) == FALSE)
				return;
		}

		/* For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse*/
		
#ifdef CONFIG_AP_SUPPORT
		if (OpMode == OPMODE_AP)
			pAd->Mlme.ApSyncMachine.CurrState = AP_SCAN_LISTEN;
#endif /* CONFIG_AP_SUPPORT */
	}
}
Exemplo n.º 4
0
/*
	==========================================================================
	Description:
		Scan next channel
	==========================================================================
 */
VOID ScanNextChannel(
	IN PRTMP_ADAPTER pAd,
	IN UCHAR OpMode) 
{
	UCHAR ScanType = pAd->MlmeAux.ScanType;
	UINT ScanTimeIn5gChannel = SHORT_CHANNEL_TIME;
	BOOLEAN ScanPending = FALSE;
	RALINK_TIMER_STRUCT *sc_timer;
	UINT stay_time = 0;


#ifdef RALINK_ATE
	/* Nothing to do in ATE mode. */
	if (ATE_ON(pAd))
		return;
#endif /* RALINK_ATE */




	if ((pAd->MlmeAux.Channel == 0) || ScanPending) 
	{
		scan_ch_restore(pAd, OpMode);
	} 
#ifdef RTMP_MAC_USB
#endif /* RTMP_MAC_USB */
	else 
	{

		AsicSwitchChannel(pAd, pAd->MlmeAux.Channel, TRUE);
		AsicLockChannel(pAd, pAd->MlmeAux.Channel);


		/* Check if channel if passive scan under current regulatory domain */
		if (CHAN_PropertyCheck(pAd, pAd->MlmeAux.Channel, CHANNEL_PASSIVE_SCAN) == TRUE)
			ScanType = SCAN_PASSIVE;


		if (OpMode == OPMODE_AP)
			sc_timer = &pAd->MlmeAux.APScanTimer;
		else
			sc_timer = &pAd->MlmeAux.ScanTimer;
			
		/* 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 (ScanType == FAST_SCAN_ACTIVE)
			stay_time = FAST_ACTIVE_SCAN_TIME;
		else /* must be SCAN_PASSIVE or SCAN_ACTIVE*/
		{

#ifdef CONFIG_AP_SUPPORT
			if ((OpMode == OPMODE_AP) && (pAd->ApCfg.bAutoChannelAtBootup))
				stay_time = AUTO_CHANNEL_SEL_TIMEOUT;
			else
#endif /* CONFIG_AP_SUPPORT */
			if (WMODE_CAP_2G(pAd->CommonCfg.PhyMode) &&
				WMODE_CAP_5G(pAd->CommonCfg.PhyMode))
			{
				if (pAd->MlmeAux.Channel > 14)
					stay_time = ScanTimeIn5gChannel;
				else
					stay_time = MIN_CHANNEL_TIME;
			}
#ifdef WIFI_P2P_CONCURRENT_FAST_SCAN
            /* If this is not PASSIVE scan && Fast scan is enabled, we shorten the chanenl dwell time */
            else if (ScanType != SCAN_PASSIVE && pAd->StaCfg.bImprovedScan)
                stay_time = FAST_ACTIVE_SCAN_TIME;
#endif /* WIFI_P2P_CONCURRENT_FAST_SCAN */
			else
				stay_time = MAX_CHANNEL_TIME;
		}
				
		RTMPSetTimer(sc_timer, stay_time);
			
		if (SCAN_MODE_ACT(ScanType))
		{
			if (scan_active(pAd, OpMode, ScanType) == FALSE)
				return;
		}

		/* For SCAN_CISCO_PASSIVE, do nothing and silently wait for beacon or other probe reponse*/
		
#ifdef CONFIG_AP_SUPPORT
		if (OpMode == OPMODE_AP)
			pAd->Mlme.ApSyncMachine.CurrState = AP_SCAN_LISTEN;
#endif /* CONFIG_AP_SUPPORT */
	}
}