Aquaris-M10-4G/drivers/misc/mediatek/connectivity/wlan/gen2/mgmt/p2p_state.c

#include "p2p_precomp.h"

BOOLEAN
p2pStateInit_IDLE(IN P_ADAPTER_T prAdapter,
		  IN P_P2P_FSM_INFO_T prP2pFsmInfo, IN P_BSS_INFO_T prP2pBssInfo, OUT P_ENUM_P2P_STATE_T peNextState)
{
	BOOLEAN fgIsTransOut = FALSE;
/* P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = (P_P2P_CHNL_REQ_INFO_T)NULL; */

	do {
		ASSERT_BREAK((prAdapter != NULL) &&
			     (prP2pFsmInfo != NULL) && (prP2pBssInfo != NULL) && (peNextState != NULL));

		if ((prP2pBssInfo->eIntendOPMode == OP_MODE_ACCESS_POINT)
		    && IS_NET_PWR_STATE_ACTIVE(prAdapter, NETWORK_TYPE_P2P_INDEX)) {
			P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = &(prP2pFsmInfo->rChnlReqInfo);

			fgIsTransOut = TRUE;
			prChnlReqInfo->eChannelReqType = CHANNEL_REQ_TYPE_GO_START_BSS;

			DBGLOG(P2P, INFO, "p2pStateInit_IDLE GO Scan\n");
			*peNextState = P2P_STATE_REQING_CHANNEL;

		} else {
#if 0
			else
		if (IS_NET_PWR_STATE_ACTIVE(prAdapter, NETWORK_TYPE_P2P_INDEX)) {

			ASSERT((prP2pBssInfo->eCurrentOPMode == OP_MODE_ACCESS_POINT) ||
			       (prP2pBssInfo->eCurrentOPMode == OP_MODE_INFRASTRUCTURE));

			prChnlReqInfo = &prP2pFsmInfo->rChnlReqInfo;

			if (prChnlReqInfo->fgIsChannelRequested) {
				/* Start a timer for return channel. */
				DBGLOG(P2P, TRACE, "start a GO channel timer.\n");
			}

		}
#endif
			cnmTimerStartTimer(prAdapter, &(prAdapter->rP2pFsmTimeoutTimer), 5000);
		}

	} while (FALSE);

	return fgIsTransOut;
}				/* p2pStateInit_IDLE */

VOID p2pStateAbort_IDLE(IN P_ADAPTER_T prAdapter, IN P_P2P_FSM_INFO_T prP2pFsmInfo, IN ENUM_P2P_STATE_T eNextState)
{

	P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = (P_P2P_CHNL_REQ_INFO_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL));

		prChnlReqInfo = &prP2pFsmInfo->rChnlReqInfo;

		if (prChnlReqInfo->fgIsChannelRequested) {
			/* Release channel before timeout. */
			p2pFuncReleaseCh(prAdapter, prChnlReqInfo);
		}

		/* Stop timer for leaving this state. */
		cnmTimerStopTimer(prAdapter, &(prAdapter->rP2pFsmTimeoutTimer));

	} while (FALSE);

}				/* p2pStateAbort_IDLE */

VOID p2pStateInit_CHNL_ON_HAND(IN P_ADAPTER_T prAdapter, IN P_BSS_INFO_T prP2pBssInfo, IN P_P2P_FSM_INFO_T prP2pFsmInfo)
{
	P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = (P_P2P_CHNL_REQ_INFO_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL));

		prChnlReqInfo = &(prP2pFsmInfo->rChnlReqInfo);

		/* Store the original channel info. */
		prChnlReqInfo->ucOriChnlNum = prP2pBssInfo->ucPrimaryChannel;
		prChnlReqInfo->eOriBand = prP2pBssInfo->eBand;
		prChnlReqInfo->eOriChnlSco = prP2pBssInfo->eBssSCO;

		/* RX Probe Request would check primary channel. */
		prP2pBssInfo->ucPrimaryChannel = prChnlReqInfo->ucReqChnlNum;
		prP2pBssInfo->eBand = prChnlReqInfo->eBand;
		prP2pBssInfo->eBssSCO = prChnlReqInfo->eChnlSco;

		DBGLOG(P2P, TRACE, "start a channel on hand timer.\n");
		cnmTimerStartTimer(prAdapter, &(prAdapter->rP2pFsmTimeoutTimer), prChnlReqInfo->u4MaxInterval);

		kalP2PIndicateChannelReady(prAdapter->prGlueInfo,
					   prChnlReqInfo->u8Cookie,
					   prChnlReqInfo->ucReqChnlNum,
					   prChnlReqInfo->eBand, prChnlReqInfo->eChnlSco, prChnlReqInfo->u4MaxInterval);

	} while (FALSE);

}				/* p2pStateInit_CHNL_ON_HAND */

VOID
p2pStateAbort_CHNL_ON_HAND(IN P_ADAPTER_T prAdapter,
			   IN P_P2P_FSM_INFO_T prP2pFsmInfo,
			   IN P_BSS_INFO_T prP2pBssInfo, IN ENUM_P2P_STATE_T eNextState)
{
	P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = (P_P2P_CHNL_REQ_INFO_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL));

		prChnlReqInfo = &(prP2pFsmInfo->rChnlReqInfo);

		cnmTimerStopTimer(prAdapter, &(prAdapter->rP2pFsmTimeoutTimer));

		/* Restore the original channel info. */
		prP2pBssInfo->ucPrimaryChannel = prChnlReqInfo->ucOriChnlNum;
		prP2pBssInfo->eBand = prChnlReqInfo->eOriBand;
		prP2pBssInfo->eBssSCO = prChnlReqInfo->eOriChnlSco;

		if (eNextState != P2P_STATE_CHNL_ON_HAND) {
			/* Indicate channel return. */
			kalP2PIndicateChannelExpired(prAdapter->prGlueInfo, &prP2pFsmInfo->rChnlReqInfo);

			/* Return Channel. */
			p2pFuncReleaseCh(prAdapter, &(prP2pFsmInfo->rChnlReqInfo));
		}

	} while (FALSE);
}				/* p2pStateAbort_CHNL_ON_HAND */

VOID
p2pStateAbort_REQING_CHANNEL(IN P_ADAPTER_T prAdapter, IN P_P2P_FSM_INFO_T prP2pFsmInfo, IN ENUM_P2P_STATE_T eNextState)
{
	P_BSS_INFO_T prP2pBssInfo = (P_BSS_INFO_T) NULL;
	P_P2P_SPECIFIC_BSS_INFO_T prP2pSpecificBssInfo = (P_P2P_SPECIFIC_BSS_INFO_T) NULL;

	do {

		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL) && (eNextState < P2P_STATE_NUM));

		prP2pBssInfo = &(prAdapter->rWifiVar.arBssInfo[NETWORK_TYPE_P2P_INDEX]);
		prP2pSpecificBssInfo = prAdapter->rWifiVar.prP2pSpecificBssInfo;

		if (eNextState == P2P_STATE_IDLE) {
			if (prP2pBssInfo->eIntendOPMode == OP_MODE_ACCESS_POINT) {
				/* Intend to be AP. */
				/* Setup for AP mode. */
				p2pFuncStartGO(prAdapter,
					       prP2pBssInfo,
					       prP2pSpecificBssInfo->aucGroupSsid,
					       prP2pSpecificBssInfo->u2GroupSsidLen,
					       prP2pSpecificBssInfo->ucPreferredChannel,
					       prP2pSpecificBssInfo->eRfBand,
					       prP2pSpecificBssInfo->eRfSco, prP2pFsmInfo->fgIsApMode);

			} else {
				/* Return Channel. */
				p2pFuncReleaseCh(prAdapter, &(prP2pFsmInfo->rChnlReqInfo));
			}

		}

	} while (FALSE);

}				/* p2pStateInit_AP_CHANNEL_DETECT */

VOID p2pStateInit_AP_CHANNEL_DETECT(IN P_ADAPTER_T prAdapter, IN P_P2P_FSM_INFO_T prP2pFsmInfo)
{
	P_P2P_SCAN_REQ_INFO_T prScanReqInfo = (P_P2P_SCAN_REQ_INFO_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL));

		prScanReqInfo = &(prP2pFsmInfo->rScanReqInfo);

		prScanReqInfo->eScanType = SCAN_TYPE_PASSIVE_SCAN;
		prScanReqInfo->eChannelSet = SCAN_CHANNEL_2G4;
		prScanReqInfo->u2PassiveDewellTime = 50;	/* 50ms for passive channel load detection */
		prScanReqInfo->fgIsAbort = TRUE;
		prScanReqInfo->fgIsScanRequest = TRUE;
		prScanReqInfo->ucNumChannelList = 0;
		prScanReqInfo->u4BufLength = 0;
		prScanReqInfo->rSsidStruct.ucSsidLen = 0;

		p2pFuncRequestScan(prAdapter, prScanReqInfo);

	} while (FALSE);

}				/* p2pStateInit_AP_CHANNEL_DETECT */

VOID
p2pStateAbort_AP_CHANNEL_DETECT(IN P_ADAPTER_T prAdapter,
				IN P_P2P_FSM_INFO_T prP2pFsmInfo,
				IN P_P2P_SPECIFIC_BSS_INFO_T prP2pSpecificBssInfo, IN ENUM_P2P_STATE_T eNextState)
{
	P_P2P_CHNL_REQ_INFO_T prChnlReqInfo = (P_P2P_CHNL_REQ_INFO_T) NULL;
	P_P2P_CONNECTION_SETTINGS_T prP2pConnSettings = (P_P2P_CONNECTION_SETTINGS_T) NULL;

	do {

		if (eNextState == P2P_STATE_REQING_CHANNEL) {
			UINT_8 ucPreferedChnl = 0;
			ENUM_BAND_T eBand = BAND_NULL;
			ENUM_CHNL_EXT_T eSco = CHNL_EXT_SCN;

			prChnlReqInfo = &(prP2pFsmInfo->rChnlReqInfo);

			/* Determine the channel for AP. */
			if (cnmPreferredChannel(prAdapter, &eBand, &ucPreferedChnl, &eSco) == FALSE) {

				prP2pConnSettings = prAdapter->rWifiVar.prP2PConnSettings;
				ucPreferedChnl = prP2pConnSettings->ucOperatingChnl;
				if (ucPreferedChnl == 0) {

					if (scnQuerySparseChannel(prAdapter, &eBand, &ucPreferedChnl) == FALSE) {

						/* What to do? */
						ASSERT(FALSE);
						/* TODO: Pick up a valid channel from channel list. */
						ucPreferedChnl = 1;
						eBand = BAND_2G4;
					}
				}
			}

			prChnlReqInfo->eChannelReqType = CHANNEL_REQ_TYPE_GO_START_BSS;

			DBGLOG(P2P, INFO, "p2pStateAbort_AP_CHANNEL_DETECT GO Scan\n");
			prChnlReqInfo->ucReqChnlNum = prP2pSpecificBssInfo->ucPreferredChannel = ucPreferedChnl;
			prChnlReqInfo->eBand = prP2pSpecificBssInfo->eRfBand = eBand;
			prChnlReqInfo->eChnlSco = prP2pSpecificBssInfo->eRfSco = eSco;
		} else {
			p2pFuncCancelScan(prAdapter, &(prP2pFsmInfo->rScanReqInfo));
		}

	} while (FALSE);

}				/* p2pStateAbort_AP_CHANNEL_DETECT */

VOID p2pStateInit_SCAN(IN P_ADAPTER_T prAdapter, IN P_P2P_FSM_INFO_T prP2pFsmInfo)
{
	P_P2P_SCAN_REQ_INFO_T prScanReqInfo = (P_P2P_SCAN_REQ_INFO_T) NULL;

	do {

		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL));

		prScanReqInfo = &prP2pFsmInfo->rScanReqInfo;

		prScanReqInfo->fgIsScanRequest = TRUE;

		p2pFuncRequestScan(prAdapter, prScanReqInfo);

	} while (FALSE);

}				/* p2pStateInit_SCAN */

VOID p2pStateAbort_SCAN(IN P_ADAPTER_T prAdapter, IN P_P2P_FSM_INFO_T prP2pFsmInfo, IN ENUM_P2P_STATE_T eNextState)
{
	do {
		ASSERT_BREAK(prAdapter != NULL);

		/* 1. Scan cancel. (Make sure the scan request is invalid. */
		p2pFuncCancelScan(prAdapter, &(prP2pFsmInfo->rScanReqInfo));

		/* Scan done indication. */
		kalP2PIndicateScanDone(prAdapter->prGlueInfo, prP2pFsmInfo->rScanReqInfo.fgIsAbort);
	} while (FALSE);

}				/* p2pStateAbort_SCAN */

VOID
p2pStateInit_GC_JOIN(IN P_ADAPTER_T prAdapter,
		     IN P_P2P_FSM_INFO_T prP2pFsmInfo,
		     IN P_BSS_INFO_T prP2pBssInfo, IN P_P2P_JOIN_INFO_T prJoinInfo, IN P_BSS_DESC_T prBssDesc)
{
	P_MSG_JOIN_REQ_T prJoinReqMsg = (P_MSG_JOIN_REQ_T) NULL;
	P_STA_RECORD_T prStaRec = (P_STA_RECORD_T) NULL;
	P_P2P_CONNECTION_SETTINGS_T prP2pConnSettings = (P_P2P_CONNECTION_SETTINGS_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) &&
			     (prP2pFsmInfo != NULL) &&
			     (prP2pBssInfo != NULL) && (prJoinInfo != NULL) && (prBssDesc != NULL));

		prP2pConnSettings = prAdapter->rWifiVar.prP2PConnSettings;

		if (prBssDesc->ucSSIDLen) {
			COPY_SSID(prP2pConnSettings->aucSSID,
				  prP2pConnSettings->ucSSIDLen, prBssDesc->aucSSID, prBssDesc->ucSSIDLen);
		}
		/* Setup a join timer. */
		DBGLOG(P2P, TRACE, "Start a join init timer\n");
		cnmTimerStartTimer(prAdapter,
				   &(prAdapter->rP2pFsmTimeoutTimer),
				   (prP2pFsmInfo->u4GrantInterval - AIS_JOIN_CH_GRANT_THRESHOLD));

		/* 2 <1> We are goin to connect to this BSS */
		prBssDesc->fgIsConnecting = TRUE;

		/* 2 <2> Setup corresponding STA_RECORD_T */
		prStaRec = bssCreateStaRecFromBssDesc(prAdapter,
						      (prBssDesc->fgIsP2PPresent ? (STA_TYPE_P2P_GO)
						       : (STA_TYPE_LEGACY_AP)), NETWORK_TYPE_P2P_INDEX, prBssDesc);

		if (prStaRec == NULL) {
			DBGLOG(P2P, TRACE, "Create station record fail\n");
			break;
		}

		prJoinInfo->prTargetStaRec = prStaRec;
		prJoinInfo->fgIsJoinComplete = FALSE;
		prJoinInfo->u4BufLength = 0;

		/* 2 <2.1> Sync. to FW domain */
		cnmStaRecChangeState(prAdapter, prStaRec, STA_STATE_1);

		if (prP2pBssInfo->eConnectionState == PARAM_MEDIA_STATE_DISCONNECTED) {
			P_P2P_CONNECTION_SETTINGS_T prP2pConnSettings = (P_P2P_CONNECTION_SETTINGS_T) NULL;

			prStaRec->fgIsReAssoc = FALSE;

			prP2pConnSettings = prAdapter->rWifiVar.prP2PConnSettings;

			switch (prP2pConnSettings->eAuthMode) {
			case AUTH_MODE_OPEN:	/* Note: Omit break here. */
			case AUTH_MODE_WPA:
			case AUTH_MODE_WPA_PSK:
			case AUTH_MODE_WPA2:
			case AUTH_MODE_WPA2_PSK:
				prJoinInfo->ucAvailableAuthTypes = (UINT_8) AUTH_TYPE_OPEN_SYSTEM;
				break;
			case AUTH_MODE_SHARED:
				prJoinInfo->ucAvailableAuthTypes = (UINT_8) AUTH_TYPE_SHARED_KEY;
				break;
			case AUTH_MODE_AUTO_SWITCH:
				DBGLOG(P2P, LOUD, "JOIN INIT: eAuthMode == AUTH_MODE_AUTO_SWITCH\n");
				prJoinInfo->ucAvailableAuthTypes = (UINT_8) (AUTH_TYPE_OPEN_SYSTEM |
									     AUTH_TYPE_SHARED_KEY);
				break;
			default:
				ASSERT(!(prP2pConnSettings->eAuthMode == AUTH_MODE_WPA_NONE));
				DBGLOG(P2P, ERROR, "JOIN INIT: Auth Algorithm : %d was not supported by JOIN\n",
						    prP2pConnSettings->eAuthMode);
				/* TODO(Kevin): error handling ? */
				return;
			}
			prStaRec->ucTxAuthAssocRetryLimit = TX_AUTH_ASSOCI_RETRY_LIMIT;
		} else {
			ASSERT(FALSE);
			/* TODO: Shall we considering ROAMIN case for P2P Device?. */
		}

		/* 2 <4> Use an appropriate Authentication Algorithm Number among the ucAvailableAuthTypes. */
		if (prJoinInfo->ucAvailableAuthTypes & (UINT_8) AUTH_TYPE_OPEN_SYSTEM) {

			DBGLOG(P2P, TRACE, "JOIN INIT: Try to do Authentication with AuthType == OPEN_SYSTEM.\n");

			prJoinInfo->ucAvailableAuthTypes &= ~(UINT_8) AUTH_TYPE_OPEN_SYSTEM;

			prStaRec->ucAuthAlgNum = (UINT_8) AUTH_ALGORITHM_NUM_OPEN_SYSTEM;
		} else if (prJoinInfo->ucAvailableAuthTypes & (UINT_8) AUTH_TYPE_SHARED_KEY) {

			DBGLOG(P2P, TRACE, "JOIN INIT: Try to do Authentication with AuthType == SHARED_KEY.\n");

			prJoinInfo->ucAvailableAuthTypes &= ~(UINT_8) AUTH_TYPE_SHARED_KEY;

			prStaRec->ucAuthAlgNum = (UINT_8) AUTH_ALGORITHM_NUM_SHARED_KEY;
		} else if (prJoinInfo->ucAvailableAuthTypes & (UINT_8) AUTH_TYPE_FAST_BSS_TRANSITION) {

			DBGLOG(P2P, TRACE,
			       "JOIN INIT: Try to do Authentication with AuthType == FAST_BSS_TRANSITION.\n");

			prJoinInfo->ucAvailableAuthTypes &= ~(UINT_8) AUTH_TYPE_FAST_BSS_TRANSITION;

			prStaRec->ucAuthAlgNum = (UINT_8) AUTH_ALGORITHM_NUM_FAST_BSS_TRANSITION;
		} else {
			ASSERT(0);
		}

		/* 4 <5> Overwrite Connection Setting for eConnectionPolicy == ANY (Used by Assoc Req) */
		if (prBssDesc->ucSSIDLen) {
			COPY_SSID(prJoinInfo->rSsidStruct.aucSsid,
				  prJoinInfo->rSsidStruct.ucSsidLen, prBssDesc->aucSSID, prBssDesc->ucSSIDLen);
		}
		/* 2 <5> Backup desired channel. */

		/* 2 <6> Send a Msg to trigger SAA to start JOIN process. */
		prJoinReqMsg = (P_MSG_JOIN_REQ_T) cnmMemAlloc(prAdapter, RAM_TYPE_MSG, sizeof(MSG_JOIN_REQ_T));

		if (!prJoinReqMsg) {
			DBGLOG(P2P, TRACE, "Allocation Join Message Fail\n");
			ASSERT(FALSE);
			return;
		}

		prJoinReqMsg->rMsgHdr.eMsgId = MID_P2P_SAA_FSM_START;
		prJoinReqMsg->ucSeqNum = ++prJoinInfo->ucSeqNumOfReqMsg;
		prJoinReqMsg->prStaRec = prStaRec;

		/* TODO: Consider fragmentation info in station record. */

		mboxSendMsg(prAdapter, MBOX_ID_0, (P_MSG_HDR_T) prJoinReqMsg, MSG_SEND_METHOD_BUF);

	} while (FALSE);

}				/* p2pStateInit_GC_JOIN */

/*----------------------------------------------------------------------------*/
/*!
* @brief Process of JOIN Abort. Leave JOIN State & Abort JOIN.
*
* @param (none)
*
* @return (none)
*/
/*----------------------------------------------------------------------------*/
VOID
p2pStateAbort_GC_JOIN(IN P_ADAPTER_T prAdapter,
		      IN P_P2P_FSM_INFO_T prP2pFsmInfo, IN P_P2P_JOIN_INFO_T prJoinInfo, IN ENUM_P2P_STATE_T eNextState)
{
	P_MSG_JOIN_ABORT_T prJoinAbortMsg = (P_MSG_JOIN_ABORT_T) NULL;

	do {
		ASSERT_BREAK((prAdapter != NULL) && (prP2pFsmInfo != NULL) && (prJoinInfo != NULL));

		if (prJoinInfo->fgIsJoinComplete == FALSE) {

			prJoinAbortMsg =
			    (P_MSG_JOIN_ABORT_T) cnmMemAlloc(prAdapter, RAM_TYPE_MSG, sizeof(MSG_JOIN_ABORT_T));
			if (!prJoinAbortMsg) {
				DBGLOG(P2P, TRACE, "Fail to allocate join abort message buffer\n");
				ASSERT(FALSE);
				return;
			}

			prJoinAbortMsg->rMsgHdr.eMsgId = MID_P2P_SAA_FSM_ABORT;
			prJoinAbortMsg->ucSeqNum = prJoinInfo->ucSeqNumOfReqMsg;
			prJoinAbortMsg->prStaRec = prJoinInfo->prTargetStaRec;

			mboxSendMsg(prAdapter, MBOX_ID_0, (P_MSG_HDR_T) prJoinAbortMsg, MSG_SEND_METHOD_BUF);

		}

		/* Stop Join Timer. */
		cnmTimerStopTimer(prAdapter, &(prAdapter->rP2pFsmTimeoutTimer));

		/* Release channel requested. */
		p2pFuncReleaseCh(prAdapter, &(prP2pFsmInfo->rChnlReqInfo));

	} while (FALSE);

	return;

}				/* p2pStateAbort_GC_JOIN */