/* ************************************************************************* * 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:	connect.c	Abstract:	Revision History:	Who			When			What	--------	----------		----------------------------------------------	John			2004-08-08			Major modification from RT2560*/#include "rt_config.h"UCHAR	CipherSuiteWpaNoneTkip[] = {		0x00, 0x50, 0xf2, 0x01,	// oui		0x01, 0x00,				// Version		0x00, 0x50, 0xf2, 0x02,	// Multicast		0x01, 0x00,				// Number of unicast		0x00, 0x50, 0xf2, 0x02,	// unicast		0x01, 0x00,				// number of authentication method		0x00, 0x50, 0xf2, 0x00	// authentication		};UCHAR	CipherSuiteWpaNoneTkipLen = (sizeof(CipherSuiteWpaNoneTkip) / sizeof(UCHAR));UCHAR	CipherSuiteWpaNoneAes[] = {		0x00, 0x50, 0xf2, 0x01,	// oui		0x01, 0x00,				// Version		0x00, 0x50, 0xf2, 0x04,	// Multicast		0x01, 0x00,				// Number of unicast		0x00, 0x50, 0xf2, 0x04,	// unicast		0x01, 0x00,				// number of authentication method		0x00, 0x50, 0xf2, 0x00	// authentication		};UCHAR	CipherSuiteWpaNoneAesLen = (sizeof(CipherSuiteWpaNoneAes) / sizeof(UCHAR));// The following MACRO is called after 1. starting an new IBSS, 2. succesfully JOIN an IBSS,// or 3. succesfully ASSOCIATE to a BSS, 4. successfully RE_ASSOCIATE to a BSS// All settings successfuly negotiated furing MLME state machines become final settings// and are copied to pAd->StaActive#define COPY_SETTINGS_FROM_MLME_AUX_TO_ACTIVE_CFG(_pAd)                                 \{                                                                                       \	(_pAd)->CommonCfg.SsidLen = (_pAd)->MlmeAux.SsidLen;                                \	NdisMoveMemory((_pAd)->CommonCfg.Ssid, (_pAd)->MlmeAux.Ssid, (_pAd)->MlmeAux.SsidLen); \	COPY_MAC_ADDR((_pAd)->CommonCfg.Bssid, (_pAd)->MlmeAux.Bssid);                      \	(_pAd)->CommonCfg.Channel = (_pAd)->MlmeAux.Channel;                                \	(_pAd)->CommonCfg.CentralChannel = (_pAd)->MlmeAux.CentralChannel;                  \	(_pAd)->StaActive.Aid = (_pAd)->MlmeAux.Aid;                                        \	(_pAd)->StaActive.AtimWin = (_pAd)->MlmeAux.AtimWin;                                \	(_pAd)->StaActive.CapabilityInfo = (_pAd)->MlmeAux.CapabilityInfo;                  \	(_pAd)->CommonCfg.BeaconPeriod = (_pAd)->MlmeAux.BeaconPeriod;                      \	(_pAd)->StaActive.CfpMaxDuration = (_pAd)->MlmeAux.CfpMaxDuration;                  \	(_pAd)->StaActive.CfpPeriod = (_pAd)->MlmeAux.CfpPeriod;                            \	(_pAd)->StaActive.SupRateLen = (_pAd)->MlmeAux.SupRateLen;                          \	NdisMoveMemory((_pAd)->StaActive.SupRate, (_pAd)->MlmeAux.SupRate, (_pAd)->MlmeAux.SupRateLen);\	(_pAd)->StaActive.ExtRateLen = (_pAd)->MlmeAux.ExtRateLen;                          \	NdisMoveMemory((_pAd)->StaActive.ExtRate, (_pAd)->MlmeAux.ExtRate, (_pAd)->MlmeAux.ExtRateLen);\	NdisMoveMemory(&(_pAd)->CommonCfg.APEdcaParm, &(_pAd)->MlmeAux.APEdcaParm, sizeof(EDCA_PARM));\	NdisMoveMemory(&(_pAd)->CommonCfg.APQosCapability, &(_pAd)->MlmeAux.APQosCapability, sizeof(QOS_CAPABILITY_PARM));\	NdisMoveMemory(&(_pAd)->CommonCfg.APQbssLoad, &(_pAd)->MlmeAux.APQbssLoad, sizeof(QBSS_LOAD_PARM));\	COPY_MAC_ADDR((_pAd)->MacTab.Content[BSSID_WCID].Addr, (_pAd)->MlmeAux.Bssid);      \	(_pAd)->MacTab.Content[BSSID_WCID].Aid = (_pAd)->MlmeAux.Aid;                       \	(_pAd)->MacTab.Content[BSSID_WCID].PairwiseKey.CipherAlg = (_pAd)->StaCfg.PairCipher;\	COPY_MAC_ADDR((_pAd)->MacTab.Content[BSSID_WCID].PairwiseKey.BssId, (_pAd)->MlmeAux.Bssid);\	(_pAd)->MacTab.Content[BSSID_WCID].RateLen = (_pAd)->StaActive.SupRateLen + (_pAd)->StaActive.ExtRateLen;\}/*	==========================================================================	Description:	IRQL = PASSIVE_LEVEL	==========================================================================*/VOID MlmeCntlInit(	IN PRTMP_ADAPTER pAd, 	IN STATE_MACHINE *S, 	OUT STATE_MACHINE_FUNC Trans[]) {	// Control state machine differs from other state machines, the interface 	// follows the standard interface	pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;}/*	==========================================================================	Description:	IRQL = DISPATCH_LEVEL		==========================================================================*/VOID MlmeCntlMachinePerformAction(	IN PRTMP_ADAPTER pAd, 	IN STATE_MACHINE *S, 	IN MLME_QUEUE_ELEM *Elem) {	switch(pAd->Mlme.CntlMachine.CurrState) 	{		case CNTL_IDLE:			{				CntlIdleProc(pAd, Elem);			}			break;		case CNTL_WAIT_DISASSOC:			CntlWaitDisassocProc(pAd, Elem);			break;		case CNTL_WAIT_JOIN:			CntlWaitJoinProc(pAd, Elem);			break;		// CNTL_WAIT_REASSOC is the only state in CNTL machine that does		// not triggered directly or indirectly by "RTMPSetInformation(OID_xxx)". 		// Therefore not protected by NDIS's "only one outstanding OID request" 		// rule. Which means NDIS may SET OID in the middle of ROAMing attempts.		// Current approach is to block new SET request at RTMPSetInformation()		// when CntlMachine.CurrState is not CNTL_IDLE		case CNTL_WAIT_REASSOC:			CntlWaitReassocProc(pAd, Elem);			break;		case CNTL_WAIT_START:			CntlWaitStartProc(pAd, Elem);			break;		case CNTL_WAIT_AUTH:			CntlWaitAuthProc(pAd, Elem);			break;		case CNTL_WAIT_AUTH2:			CntlWaitAuthProc2(pAd, Elem);			break;		case CNTL_WAIT_ASSOC:			CntlWaitAssocProc(pAd, Elem);			break;		case CNTL_WAIT_OID_LIST_SCAN:			if(Elem->MsgType == MT2_SCAN_CONF) 			{				// Resume TxRing after SCANING complete. We hope the out-of-service time				// won't be too long to let upper layer time-out the waiting frames				RTMPResumeMsduTransmission(pAd);				if (pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED)				{					// Cisco scan request is finished, prepare beacon report					MlmeEnqueue(pAd, AIRONET_STATE_MACHINE, MT2_AIRONET_SCAN_DONE, 0, NULL);				}				pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;                //				// Set LED status to previous status.				//				if (pAd->bLedOnScanning)				{					pAd->bLedOnScanning = FALSE;					RTMPSetLED(pAd, pAd->LedStatus);				}#ifdef DOT11N_DRAFT3				// AP sent a 2040Coexistence mgmt frame, then station perform a scan, and then send back the respone.				if (pAd->CommonCfg.BSSCoexist2040.field.InfoReq == 1)				{					Update2040CoexistFrameAndNotify(pAd, BSSID_WCID, TRUE);				}#endif // DOT11N_DRAFT3 //			}			break;		case CNTL_WAIT_OID_DISASSOC:			if (Elem->MsgType == MT2_DISASSOC_CONF) 			{				LinkDown(pAd, FALSE);				pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;			}			break;#ifdef RT2870		//		// This state is for that we want to connect to an AP but		// it didn't find on BSS List table. So we need to scan the air first,		// after that we can try to connect to the desired AP if available.		//		case CNTL_WAIT_SCAN_FOR_CONNECT:			if(Elem->MsgType == MT2_SCAN_CONF) 			{				// Resume TxRing after SCANING complete. We hope the out-of-service time				// won't be too long to let upper layer time-out the waiting frames				RTMPResumeMsduTransmission(pAd);#ifdef CCX_SUPPORT								if (pAd->StaCfg.CCXReqType != MSRN_TYPE_UNUSED)				{					// Cisco scan request is finished, prepare beacon report					MlmeEnqueue(pAd, AIRONET_STATE_MACHINE, MT2_AIRONET_SCAN_DONE, 0, NULL);				}#endif // CCX_SUPPORT //				pAd->Mlme.CntlMachine.CurrState = CNTL_IDLE;				//				// Check if we can connect to.				//				BssTableSsidSort(pAd, &pAd->MlmeAux.SsidBssTab, pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);				if (pAd->MlmeAux.SsidBssTab.BssNr > 0)				{					MlmeAutoReconnectLastSSID(pAd);				}			}			break;#endif // RT2870 //		default:			DBGPRINT_ERR(("!ERROR! CNTL - Illegal message type(=%ld)", Elem->MsgType));			break;	}}/*	==========================================================================	Description:	IRQL = DISPATCH_LEVEL		==========================================================================*/VOID CntlIdleProc(	IN PRTMP_ADAPTER pAd, 	IN MLME_QUEUE_ELEM *Elem) {	MLME_DISASSOC_REQ_STRUCT   DisassocReq;	if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RADIO_OFF))		return;			switch(Elem->MsgType) 	{		case OID_802_11_SSID:			CntlOidSsidProc(pAd, Elem);			break;		case OID_802_11_BSSID:			CntlOidRTBssidProc(pAd,Elem);			break;		case OID_802_11_BSSID_LIST_SCAN:			CntlOidScanProc(pAd,Elem);			break;		case OID_802_11_DISASSOCIATE:#ifdef RALINK_ATE						if(ATE_ON(pAd))			{				DBGPRINT(RT_DEBUG_TRACE, ("The driver is in ATE mode now\n"));				break;			}	#endif // RALINK_ATE //			DisassocParmFill(pAd, &DisassocReq, pAd->CommonCfg.Bssid, REASON_DISASSOC_STA_LEAVING);			MlmeEnqueue(pAd, ASSOC_STATE_MACHINE, MT2_MLME_DISASSOC_REQ, sizeof(MLME_DISASSOC_REQ_STRUCT), &DisassocReq);			pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;#ifdef WPA_SUPPLICANT_SUPPORT            if (pAd->StaCfg.WpaSupplicantUP != WPA_SUPPLICANT_ENABLE_WITH_WEB_UI)#endif // WPA_SUPPLICANT_SUPPORT //            {    			// Set the AutoReconnectSsid to prevent it reconnect to old SSID    			// Since calling this indicate user don't want to connect to that SSID anymore.    			pAd->MlmeAux.AutoReconnectSsidLen= 32;    			NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);            }			break;		case MT2_MLME_ROAMING_REQ:			CntlMlmeRoamingProc(pAd, Elem);			break;        case OID_802_11_MIC_FAILURE_REPORT_FRAME:            WpaMicFailureReportFrame(pAd, Elem);            break;#ifdef QOS_DLS_SUPPORT		case RT_OID_802_11_SET_DLS_PARAM:			CntlOidDLSSetupProc(pAd, Elem);			break;#endif // QOS_DLS_SUPPORT //		default:			DBGPRINT(RT_DEBUG_TRACE, ("CNTL - Illegal message in CntlIdleProc(MsgType=%ld)\n",Elem->MsgType));			break;	}}VOID CntlOidScanProc(	IN PRTMP_ADAPTER pAd,	IN MLME_QUEUE_ELEM *Elem){	MLME_SCAN_REQ_STRUCT       ScanReq;	ULONG                      BssIdx = BSS_NOT_FOUND;	BSS_ENTRY                  CurrBss;#ifdef RALINK_ATE/* Disable scanning when ATE is running. */	if (ATE_ON(pAd))		return;#endif // RALINK_ATE //		// record current BSS if network is connected. 	// 2003-2-13 do not include current IBSS if this is the only STA in this IBSS.	if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED))	{		BssIdx = BssSsidTableSearch(&pAd->ScanTab, pAd->CommonCfg.Bssid, pAd->CommonCfg.Ssid, pAd->CommonCfg.SsidLen, pAd->CommonCfg.Channel);		if (BssIdx != BSS_NOT_FOUND)		{			NdisMoveMemory(&CurrBss, &pAd->ScanTab.BssEntry[BssIdx], sizeof(BSS_ENTRY));		}	}	// clean up previous SCAN result, add current BSS back to table if any	BssTableInit(&pAd->ScanTab); 	if (BssIdx != BSS_NOT_FOUND)	{		// DDK Note: If the NIC is associated with a particular BSSID and SSID 		//    that are not contained in the list of BSSIDs generated by this scan, the 		//    BSSID description of the currently associated BSSID and SSID should be 		//    appended to the list of BSSIDs in the NIC's database.		// To ensure this, we append this BSS as the first entry in SCAN result		NdisMoveMemory(&pAd->ScanTab.BssEntry[0], &CurrBss, sizeof(BSS_ENTRY));		pAd->ScanTab.BssNr = 1;	}	ScanParmFill(pAd, &ScanReq, "", 0, BSS_ANY, SCAN_ACTIVE);	MlmeEnqueue(pAd, SYNC_STATE_MACHINE, MT2_MLME_SCAN_REQ, 		sizeof(MLME_SCAN_REQ_STRUCT), &ScanReq);	pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_LIST_SCAN;}/*	==========================================================================	Description:		Before calling this routine, user desired SSID should already been		recorded in CommonCfg.Ssid[]	IRQL = DISPATCH_LEVEL		==========================================================================*/VOID CntlOidSsidProc(	IN PRTMP_ADAPTER pAd, 	IN MLME_QUEUE_ELEM * Elem) {	PNDIS_802_11_SSID          pOidSsid = (NDIS_802_11_SSID *)Elem->Msg;	MLME_DISASSOC_REQ_STRUCT   DisassocReq;