/* * Copyright (c) 2012-2017, 2020 The Linux Foundation. All rights reserved. * * Previously licensed under the ISC license by Qualcomm Atheros, Inc. * * * Permission to use, copy, modify, and/or distribute this software for * any purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* * This file was originally distributed by Qualcomm Atheros, Inc. * under proprietary terms before Copyright ownership was assigned * to the Linux Foundation. */ /* * This file limProcessMlmRspMessages.cc contains the code * for processing response messages from MLM state machine. * Author: Chandra Modumudi * Date: 02/11/02 * History:- * Date Modified by Modification Information * -------------------------------------------------------------------- * */ #include "wniApi.h" #include "wniCfg.h" #include "cfgApi.h" #include "sirApi.h" #include "schApi.h" #include "utilsApi.h" #include "limUtils.h" #include "limAssocUtils.h" #include "limSecurityUtils.h" #include "limSerDesUtils.h" #include "limTimerUtils.h" #include "limSendMessages.h" #include "limAdmitControl.h" #include "limSendMessages.h" #include "limIbssPeerMgmt.h" #include "limSession.h" #include "limSessionUtils.h" #if defined WLAN_FEATURE_VOWIFI #include "rrmApi.h" #endif #if defined WLAN_FEATURE_VOWIFI_11R #include #endif #include "wlan_qct_wda.h" #include "vos_utils.h" #ifdef WLAN_FEATURE_LFR_MBB #include "lim_mbb.h" #endif static void limHandleSmeJoinResult(tpAniSirGlobal, tSirResultCodes, tANI_U16,tpPESession); static void limHandleSmeReaasocResult(tpAniSirGlobal, tSirResultCodes, tANI_U16, tpPESession); void limProcessMlmScanCnf(tpAniSirGlobal, tANI_U32 *); #ifdef FEATURE_OEM_DATA_SUPPORT void limProcessMlmOemDataReqCnf(tpAniSirGlobal, tANI_U32 *); #endif void limProcessMlmJoinCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmAuthCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmStartCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmAuthInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmAssocInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmAssocCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmReassocCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmReassocInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmSetKeysCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmDisassocInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmDisassocCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmDeauthInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmDeauthCnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmPurgeStaInd(tpAniSirGlobal, tANI_U32 *); void limProcessMlmAddBACnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmDelBACnf(tpAniSirGlobal, tANI_U32 *); void limProcessMlmRemoveKeyCnf(tpAniSirGlobal pMac, tANI_U32 * pMsgBuf); static void limHandleDelBssInReAssocContext(tpAniSirGlobal pMac, tpDphHashNode pStaDs,tpPESession psessionEntry); void limGetSessionInfo(tpAniSirGlobal pMac, tANI_U8 *, tANI_U8 *, tANI_U16 *); static void limProcessBtampAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ,tpPESession psessionEntry); void limSwitchChannelResumeLinkRsp(tpAniSirGlobal pMac, eHalStatus status, tANI_U32* mlmAddBssRsp); /** * limProcessMlmRspMessages() * *FUNCTION: * This function is called to processes various MLM response (CNF/IND * messages from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param msgType Indicates the MLM message type * @param *pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmRspMessages(tpAniSirGlobal pMac, tANI_U32 msgType, tANI_U32 *pMsgBuf) { if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } MTRACE(macTrace(pMac, TRACE_CODE_TX_LIM_MSG, 0, msgType)); switch (msgType) { case LIM_MLM_SCAN_CNF: limProcessMlmScanCnf(pMac, pMsgBuf); break; #ifdef FEATURE_OEM_DATA_SUPPORT case LIM_MLM_OEM_DATA_CNF: limProcessMlmOemDataReqCnf(pMac, pMsgBuf); pMsgBuf = NULL; break; #endif case LIM_MLM_AUTH_CNF: limProcessMlmAuthCnf(pMac, pMsgBuf); break; case LIM_MLM_AUTH_IND: limProcessMlmAuthInd(pMac, pMsgBuf); break; case LIM_MLM_ASSOC_CNF: limProcessMlmAssocCnf(pMac, pMsgBuf); break; case LIM_MLM_START_CNF: limProcessMlmStartCnf(pMac, pMsgBuf); break; case LIM_MLM_JOIN_CNF: limProcessMlmJoinCnf(pMac, pMsgBuf); break; case LIM_MLM_ASSOC_IND: limProcessMlmAssocInd(pMac, pMsgBuf); break; case LIM_MLM_REASSOC_CNF: limProcessMlmReassocCnf(pMac, pMsgBuf); break; case LIM_MLM_REASSOC_IND: limProcessMlmReassocInd(pMac, pMsgBuf); break; case LIM_MLM_DISASSOC_CNF: limProcessMlmDisassocCnf(pMac, pMsgBuf); break; case LIM_MLM_DISASSOC_IND: limProcessMlmDisassocInd(pMac, pMsgBuf); break; case LIM_MLM_PURGE_STA_IND: limProcessMlmPurgeStaInd(pMac, pMsgBuf); break; case LIM_MLM_DEAUTH_CNF: limProcessMlmDeauthCnf(pMac, pMsgBuf); break; case LIM_MLM_DEAUTH_IND: limProcessMlmDeauthInd(pMac, pMsgBuf); break; case LIM_MLM_SETKEYS_CNF: limProcessMlmSetKeysCnf(pMac, pMsgBuf); break; case LIM_MLM_REMOVEKEY_CNF: limProcessMlmRemoveKeyCnf(pMac, pMsgBuf); break; case LIM_MLM_TSPEC_CNF: break; case LIM_MLM_ADDBA_CNF: limProcessMlmAddBACnf( pMac, pMsgBuf ); pMsgBuf = NULL; break; case LIM_MLM_DELBA_CNF: limProcessMlmDelBACnf( pMac, pMsgBuf ); pMsgBuf = NULL; break; default: break; } // switch (msgType) return; } /*** end limProcessMlmRspMessages() ***/ /** * limProcessMlmScanCnf() * *FUNCTION: * This function is called to processes MLM_SCAN_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmScanCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { switch(pMac->lim.gLimSmeState) { case eLIM_SME_WT_SCAN_STATE: //case eLIM_SME_LINK_EST_WT_SCAN_STATE: //TO SUPPORT BT-AMP //case eLIM_SME_NORMAL_CHANNEL_SCAN_STATE: //TO SUPPORT BT-AMP pMac->lim.gLimSmeState = pMac->lim.gLimPrevSmeState; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, NO_SESSION, pMac->lim.gLimSmeState)); pMac->lim.gLimSystemInScanLearnMode = 0; break; default: /** * Should not have received scan confirm * from MLM in other states. * Log error */ PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_SCAN_CNF in state %d"), pMac->lim.gLimSmeState);) return; } /// Process received scan confirm /// Increment length of cached scan results pMac->lim.gLimSmeScanResultLength += ((tLimMlmScanCnf *) pMsgBuf)->scanResultLength; if ((pMac->lim.gLimRspReqd) || pMac->lim.gLimReportBackgroundScanResults) { tANI_U16 scanRspLen = 0; /// Need to send response to Host pMac->lim.gLimRspReqd = false; if ((((tLimMlmScanCnf *) pMsgBuf)->resultCode == eSIR_SME_SUCCESS) || pMac->lim.gLimSmeScanResultLength) { scanRspLen = sizeof(tSirSmeScanRsp) + pMac->lim.gLimSmeScanResultLength - sizeof(tSirBssDescription); } else { scanRspLen = sizeof(tSirSmeScanRsp); } if(pMac->lim.gLimReportBackgroundScanResults) { pMac->lim.gLimBackgroundScanTerminate = TRUE; } if (pMac->lim.gLimSmeScanResultLength == 0) { limSendSmeScanRsp(pMac, scanRspLen, eSIR_SME_SUCCESS, pMac->lim.gSmeSessionId, pMac->lim.gTransactionId); } else { limSendSmeScanRsp(pMac, scanRspLen, eSIR_SME_SUCCESS,pMac->lim.gSmeSessionId, pMac->lim.gTransactionId); } } // if (pMac->lim.gLimRspReqd) //check to see whether we need to run bgScan timer if(pMac->lim.gLimBackgroundScanTerminate == FALSE) { if (tx_timer_activate( &pMac->lim.limTimers.gLimBackgroundScanTimer) != TX_SUCCESS) { /// Could not activate background scan timer. // Log error limLog(pMac, LOGP, FL("could not activate background scan timer")); pMac->lim.gLimBackgroundScanStarted = FALSE; } else { pMac->lim.gLimBackgroundScanStarted = TRUE; } } } /*** end limProcessMlmScanCnf() ***/ #ifdef FEATURE_OEM_DATA_SUPPORT /** * limProcessMlmOemDataReqCnf() * *FUNCTION: * This function is called to processes LIM_MLM_OEM_DATA_REQ_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmOemDataReqCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tLimMlmOemDataRsp* measRsp; tSirResultCodes resultCode = eSIR_SME_SUCCESS; measRsp = (tLimMlmOemDataRsp*)(pMsgBuf); //Now send the meas confirm message to the sme limSendSmeOemDataRsp(pMac, (tANI_U32*)measRsp, resultCode); //Dont free the memory here. It will be freed up by the callee return; } #endif /** * limProcessMlmStartCnf() * *FUNCTION: * This function is called to processes MLM_START_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmStartCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tpPESession psessionEntry = NULL; tLimMlmStartCnf *pLimMlmStartCnf; tANI_U8 smesessionId; tANI_U16 smetransactionId; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pLimMlmStartCnf = (tLimMlmStartCnf*)pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pLimMlmStartCnf->sessionId))==NULL) { PELOGE(limLog(pMac, LOGE,FL("Session does Not exist with given sessionId "));) return; } smesessionId = psessionEntry->smeSessionId; smetransactionId = psessionEntry->transactionId; if (psessionEntry->limSmeState != eLIM_SME_WT_START_BSS_STATE) { /** * Should not have received Start confirm from MLM * in other states. * Log error */ PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_START_CNF in state %d"), psessionEntry->limSmeState);) return; } if (((tLimMlmStartCnf *) pMsgBuf)->resultCode == eSIR_SME_SUCCESS) { /** * Update global SME state so that Beacon Generation * module starts writing Beacon frames into TFP's * Beacon file register. */ psessionEntry->limSmeState = eLIM_SME_NORMAL_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); if(psessionEntry->bssType == eSIR_BTAMP_STA_MODE) { limLog(pMac, LOG1, FL("*** Started BSS in BT_AMP STA SIDE***")); } else if(psessionEntry->bssType == eSIR_BTAMP_AP_MODE) { limLog(pMac, LOG1, FL("*** Started BSS in BT_AMP AP SIDE***")); } else if(psessionEntry->bssType == eSIR_INFRA_AP_MODE) { limLog(pMac, LOG1, FL("*** Started BSS in INFRA AP SIDE***")); } else limLog(pMac, LOG1, FL("*** Started BSS ***")); } else { /// Start BSS is a failure peDeleteSession(pMac,psessionEntry); psessionEntry = NULL; PELOGE(limLog(pMac, LOGE,FL("Start BSS Failed "));) } /// Send response to Host limSendSmeStartBssRsp(pMac, eWNI_SME_START_BSS_RSP, ((tLimMlmStartCnf *) pMsgBuf)->resultCode,psessionEntry, smesessionId,smetransactionId); if (((tLimMlmStartCnf *) pMsgBuf)->resultCode == eSIR_SME_SUCCESS) { //Configure beacon and send beacons to HAL limSendBeaconInd(pMac, psessionEntry); } } /*** end limProcessMlmStartCnf() ***/ /** * limProcessMlmJoinCnf() * *FUNCTION: * This function is called to processes MLM_JOIN_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmJoinCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tSirResultCodes resultCode; tLimMlmJoinCnf *pLimMlmJoinCnf; tpPESession psessionEntry; pLimMlmJoinCnf = (tLimMlmJoinCnf*)pMsgBuf; if( (psessionEntry = peFindSessionBySessionId(pMac,pLimMlmJoinCnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("SessionId:%d Session does not exist"), pLimMlmJoinCnf->sessionId);) return; } if (psessionEntry->limSmeState!= eLIM_SME_WT_JOIN_STATE) { PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_JOIN_CNF in state %d"), psessionEntry->limSmeState);) return; } resultCode = ((tLimMlmJoinCnf *) pMsgBuf)->resultCode ; /// Process Join confirm from MLM if (resultCode == eSIR_SME_SUCCESS) { limLog(pMac, LOG1, FL("***SessionId: %d Joined ESS ***"), pLimMlmJoinCnf->sessionId); //Setup hardware upfront //Done: 7-27-2009. JIM_FIX_ME sessionize the following function if(limStaSendAddBssPreAssoc( pMac, false, psessionEntry) == eSIR_SUCCESS) return; else resultCode = eSIR_SME_REFUSED; } { /// Join failure psessionEntry->limSmeState = eLIM_SME_JOIN_FAILURE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /// Send Join response to Host limHandleSmeJoinResult(pMac, resultCode, ((tLimMlmJoinCnf *) pMsgBuf)->protStatusCode, psessionEntry ); } } /*** end limProcessMlmJoinCnf() ***/ /** * limProcessMlmAuthCnf() * *FUNCTION: * This function is called to processes MLM_AUTH_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmAuthCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tANI_U16 caps; tANI_U32 val; tAniAuthType cfgAuthType, authMode; tLimMlmAuthReq *pMlmAuthReq; tLimMlmAssocReq *pMlmAssocReq; tLimMlmAuthCnf *pMlmAuthCnf; tpPESession psessionEntry; tANI_U32 teleBcnEn = 0; // tANI_U8 sessionId; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmAuthCnf = (tLimMlmAuthCnf*)pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmAuthCnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE, FL("SessionId:%d session does not exist"), pMlmAuthCnf->sessionId);) return; } if (((psessionEntry->limSmeState != eLIM_SME_WT_AUTH_STATE) && (psessionEntry->limSmeState != eLIM_SME_WT_PRE_AUTH_STATE)) || (psessionEntry->limSystemRole == eLIM_AP_ROLE)|| (psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE)) { /** * Should not have received AUTH confirm * from MLM in other states or on AP. * Log error */ PELOGE(limLog(pMac, LOGE, FL("SessionId:%d received unexpected MLM_AUTH_CNF in state %d"), psessionEntry->peSessionId,psessionEntry->limSmeState);) return; } #ifdef FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_AUTH_COMP_EVENT, psessionEntry, pMlmAuthCnf->resultCode, pMlmAuthCnf->protStatusCode); #endif /// Process AUTH confirm from MLM if (pMlmAuthCnf->resultCode != eSIR_SME_SUCCESS) { if (psessionEntry->limSmeState == eLIM_SME_WT_AUTH_STATE) { if (wlan_cfgGetInt(pMac, WNI_CFG_AUTHENTICATION_TYPE, (tANI_U32 *) &cfgAuthType) != eSIR_SUCCESS) { /** * Could not get AuthType value from CFG. * Log error. */ limLog(pMac, LOGP, FL("could not retrieve AuthType value")); } } else cfgAuthType = pMac->lim.gLimPreAuthType; if ((cfgAuthType == eSIR_AUTO_SWITCH) && (pMlmAuthCnf->authType == eSIR_SHARED_KEY) && ((eSIR_MAC_AUTH_ALGO_NOT_SUPPORTED_STATUS == pMlmAuthCnf->protStatusCode) || (pMlmAuthCnf->resultCode == eSIR_SME_AUTH_TIMEOUT_RESULT_CODE))) { /** * When Shared authentication fails with reason code "13" and * authType set to 'auto switch', Try with Open Authentication */ authMode = eSIR_OPEN_SYSTEM; // Trigger MAC based Authentication pMlmAuthReq = vos_mem_malloc(sizeof(tLimMlmAuthReq)); if ( NULL == pMlmAuthReq ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for mlmAuthReq")); return; } vos_mem_set((tANI_U8 *) pMlmAuthReq, sizeof(tLimMlmAuthReq), 0); val = sizeof(tSirMacAddr); if (psessionEntry->limSmeState == eLIM_SME_WT_AUTH_STATE) { sirCopyMacAddr(pMlmAuthReq->peerMacAddr,psessionEntry->bssId); } else vos_mem_copy((tANI_U8 *) &pMlmAuthReq->peerMacAddr, (tANI_U8 *) &pMac->lim.gLimPreAuthPeerAddr, sizeof(tSirMacAddr)); pMlmAuthReq->authType = authMode; /* Update PE session Id*/ pMlmAuthReq->sessionId = pMlmAuthCnf->sessionId; if (wlan_cfgGetInt(pMac, WNI_CFG_AUTHENTICATE_FAILURE_TIMEOUT, (tANI_U32 *) &pMlmAuthReq->authFailureTimeout) != eSIR_SUCCESS) { /** * Could not get AuthFailureTimeout value from CFG. * Log error. */ limLog(pMac, LOGP, FL("could not retrieve AuthFailureTimeout value")); } limPostMlmMessage(pMac, LIM_MLM_AUTH_REQ, (tANI_U32 *) pMlmAuthReq); return; } else { // MAC based authentication failure if (psessionEntry->limSmeState == eLIM_SME_WT_AUTH_STATE) { PELOGE(limLog(pMac, LOGE, FL("Auth Failure occurred."));) psessionEntry->limSmeState = eLIM_SME_JOIN_FAILURE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); /** * Need to send Join response with * auth failure to Host. */ limHandleSmeJoinResult(pMac, pMlmAuthCnf->resultCode, pMlmAuthCnf->protStatusCode, psessionEntry); } else { /** * Pre-authentication failure. * Send Pre-auth failure response to host */ psessionEntry->limSmeState = psessionEntry->limPrevSmeState; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); limSendSmeAuthRsp( pMac, pMlmAuthCnf->resultCode, pMlmAuthCnf->peerMacAddr, pMlmAuthCnf->authType, pMlmAuthCnf->protStatusCode, psessionEntry, psessionEntry->smeSessionId, psessionEntry->transactionId); } } // end if (cfgAuthType == eAUTO_SWITCH) } // if (((tLimMlmAuthCnf *) pMsgBuf)->resultCode != ... else { if (psessionEntry->limSmeState == eLIM_SME_WT_AUTH_STATE) { /** * Successful MAC based authentication * Trigger Association with BSS */ limLog(pMac, LOG1, FL("SessionId: %d Authenticated with BSS"), psessionEntry->peSessionId); pMlmAssocReq = vos_mem_malloc(sizeof(tLimMlmAssocReq)); if ( NULL == pMlmAssocReq ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for mlmAssocReq")); return; } val = sizeof(tSirMacAddr); #if 0 if (cfgGetStr(pMac, WNI_CFG_BSSID, pMlmAssocReq->peerMacAddr, &val) != eSIR_SUCCESS) { /// Could not get BSSID from CFG. Log error. limLog(pMac, LOGP, FL("could not retrieve BSSID")); } #endif //SUPPORT BT-AMP sirCopyMacAddr(pMlmAssocReq->peerMacAddr,psessionEntry->bssId); if (wlan_cfgGetInt(pMac, WNI_CFG_ASSOCIATION_FAILURE_TIMEOUT, (tANI_U32 *) &pMlmAssocReq->assocFailureTimeout) != eSIR_SUCCESS) { /** * Could not get AssocFailureTimeout value * from CFG. Log error. */ limLog(pMac, LOGP, FL("could not retrieve AssocFailureTimeout value")); } if (cfgGetCapabilityInfo(pMac, &caps,psessionEntry) != eSIR_SUCCESS) { /** * Could not get Capabilities value * from CFG. Log error. */ limLog(pMac, LOGP, FL("could not retrieve Capabilities value")); } /*Clear spectrum management bit if AP doesn't support it*/ if(!(psessionEntry->pLimJoinReq->bssDescription.capabilityInfo & LIM_SPECTRUM_MANAGEMENT_BIT_MASK)) { /*AP doesn't support spectrum management clear spectrum management bit*/ caps &= (~LIM_SPECTRUM_MANAGEMENT_BIT_MASK); } /* Clear rrm bit if AP doesn't support it */ if(!(psessionEntry->pLimJoinReq->bssDescription.capabilityInfo & LIM_RRM_BIT_MASK)) { caps &= (~LIM_RRM_BIT_MASK); } /* Clear short preamble bit if AP does not support it */ if(!(psessionEntry->pLimJoinReq->bssDescription.capabilityInfo & (LIM_SHORT_PREAMBLE_BIT_MASK))) { caps &= (~LIM_SHORT_PREAMBLE_BIT_MASK); limLog(pMac, LOG1, FL("Clearing short preamble:no AP support")); } /* Clear immediate block ack bit if AP does not support it */ if(!(psessionEntry->pLimJoinReq->bssDescription.capabilityInfo & (LIM_IMMEDIATE_BLOCK_ACK_MASK))) { caps &= (~LIM_IMMEDIATE_BLOCK_ACK_MASK); limLog(pMac, LOG1, FL("Clearing Immed Blk Ack:no AP support")); } pMlmAssocReq->capabilityInfo = caps; PELOG3(limLog(pMac, LOG3, FL("Capabilities to be used in AssocReq=0x%X, privacy bit=%x shortSlotTime %x"), caps, ((tpSirMacCapabilityInfo) &pMlmAssocReq->capabilityInfo)->privacy, ((tpSirMacCapabilityInfo) &pMlmAssocReq->capabilityInfo)->shortSlotTime);) /* If telescopic beaconing is enabled, set listen interval to WNI_CFG_TELE_BCN_MAX_LI */ if(wlan_cfgGetInt(pMac, WNI_CFG_TELE_BCN_WAKEUP_EN, &teleBcnEn) != eSIR_SUCCESS) limLog(pMac, LOGP, FL("Couldn't get WNI_CFG_TELE_BCN_WAKEUP_EN")); val = WNI_CFG_LISTEN_INTERVAL_STADEF; if(teleBcnEn) { if(wlan_cfgGetInt(pMac, WNI_CFG_TELE_BCN_MAX_LI, &val) != eSIR_SUCCESS) { /** * Could not get ListenInterval value * from CFG. Log error. */ limLog(pMac, LOGP, FL("could not retrieve ListenInterval")); } } else { if (wlan_cfgGetInt(pMac, WNI_CFG_LISTEN_INTERVAL, &val) != eSIR_SUCCESS) { /** * Could not get ListenInterval value * from CFG. Log error. */ limLog(pMac, LOGP, FL("could not retrieve ListenInterval")); } } pMlmAssocReq->listenInterval = (tANI_U16)val; /* Update PE session ID*/ pMlmAssocReq->sessionId = psessionEntry->peSessionId; psessionEntry->limPrevSmeState = psessionEntry->limSmeState; psessionEntry->limSmeState = eLIM_SME_WT_ASSOC_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); limLog(pMac,LOG1,"SessionId:%d PostMLMMessage: LIM_MLM_ASSOC_REQ", psessionEntry->peSessionId); limPostMlmMessage(pMac, LIM_MLM_ASSOC_REQ, (tANI_U32 *) pMlmAssocReq); } else { /** * Successful Pre-authentication. * Send Pre-auth response to host */ psessionEntry->limSmeState = psessionEntry->limPrevSmeState; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); limSendSmeAuthRsp(pMac, pMlmAuthCnf->resultCode, pMlmAuthCnf->peerMacAddr, pMlmAuthCnf->authType, pMlmAuthCnf->protStatusCode, psessionEntry, psessionEntry->smeSessionId, psessionEntry->transactionId); } } // end if (((tLimMlmAuthCnf *) pMsgBuf)->resultCode != ... } /*** end limProcessMlmAuthCnf() ***/ /** * limProcessMlmAssocCnf() * *FUNCTION: * This function is called to processes MLM_ASSOC_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmAssocCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tpPESession psessionEntry; tLimMlmAssocCnf *pLimMlmAssocCnf; if(pMsgBuf == NULL) { limLog(pMac, LOGE,FL("Buffer is Pointing to NULL")); return; } pLimMlmAssocCnf = (tLimMlmAssocCnf*)pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pLimMlmAssocCnf->sessionId)) == NULL) { PELOGE(limLog(pMac, LOGE,FL("SessionId:%d Session does not exist"), pLimMlmAssocCnf->sessionId);) return; } if (psessionEntry->limSmeState != eLIM_SME_WT_ASSOC_STATE || psessionEntry->limSystemRole == eLIM_AP_ROLE || psessionEntry ->limSystemRole == eLIM_BT_AMP_AP_ROLE) { /** * Should not have received Assocication confirm * from MLM in other states OR on AP. * Log error */ PELOGE(limLog(pMac, LOGE, FL("SessionId:%d Received unexpected MLM_ASSOC_CNF in state %d"), psessionEntry->peSessionId,psessionEntry->limSmeState);) return; } if (((tLimMlmAssocCnf *) pMsgBuf)->resultCode != eSIR_SME_SUCCESS) { // Association failure limLog(pMac, LOG1, FL("SessionId: %d Association failure resultCode: %d" "limSmeState: %d"), psessionEntry->peSessionId, ((tLimMlmAssocCnf *) pMsgBuf)->resultCode, psessionEntry->limSmeState); /* If driver gets deauth when its waiting for ADD_STA_RSP then we need * to do DEL_STA followed by DEL_BSS. So based on below reason-code here * we decide whether to do only DEL_BSS or DEL_STA + DEL_BSS */ if(((tLimMlmAssocCnf *) pMsgBuf)->resultCode != eSIR_SME_JOIN_DEAUTH_FROM_AP_DURING_ADD_STA) { psessionEntry->limSmeState = eLIM_SME_JOIN_FAILURE_STATE; } MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, pMac->lim.gLimSmeState)); /** * Need to send Join response with * Association failure to Host. */ limHandleSmeJoinResult(pMac, ((tLimMlmAssocCnf *) pMsgBuf)->resultCode, ((tLimMlmAssocCnf *) pMsgBuf)->protStatusCode,psessionEntry); } // if (((tLimMlmAssocCnf *) pMsgBuf)->resultCode != ... else { // Successful Association limLog(pMac, LOG1, FL("SessionId: %d Associated with BSS"), psessionEntry->peSessionId); psessionEntry->limSmeState = eLIM_SME_LINK_EST_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /** * Need to send Join response with * Association success to Host. */ limHandleSmeJoinResult(pMac, ((tLimMlmAssocCnf *) pMsgBuf)->resultCode, ((tLimMlmAssocCnf *) pMsgBuf)->protStatusCode,psessionEntry); } // end if (((tLimMlmAssocCnf *) pMsgBuf)->resultCode != .... } /*** end limProcessMlmAssocCnf() ***/ /** * limProcessMlmReassocCnf() * *FUNCTION: * This function is called to processes MLM_REASSOC_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmReassocCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tpPESession psessionEntry; tLimMlmReassocCnf *pLimMlmReassocCnf; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pLimMlmReassocCnf = (tLimMlmReassocCnf*) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pLimMlmReassocCnf->sessionId))==NULL) { PELOGE(limLog(pMac, LOGE, FL("session Does not exist for given session Id"));) return; } if ((psessionEntry->limSmeState != eLIM_SME_WT_REASSOC_STATE) || (psessionEntry->limSystemRole == eLIM_AP_ROLE)||(psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE)) { /** * Should not have received Reassocication confirm * from MLM in other states OR on AP. * Log error */ PELOGE(limLog(pMac, LOGE, FL("Rcv unexpected MLM_REASSOC_CNF in role %d, sme state %d"), psessionEntry->limSystemRole, psessionEntry->limSmeState);) return; } if (psessionEntry->pLimReAssocReq) { vos_mem_free(psessionEntry->pLimReAssocReq); psessionEntry->pLimReAssocReq = NULL; } /* Upon Reassoc success or failure, freeup the cached * preauth request, to ensure that channel switch is now * allowed following any change in HT params. */ if (pMac->ft.ftPEContext.pFTPreAuthReq) { limLog(pMac, LOG1, "%s: Freeing pFTPreAuthReq= %pK", __func__, pMac->ft.ftPEContext.pFTPreAuthReq); if (pMac->ft.ftPEContext.pFTPreAuthReq->pbssDescription) { vos_mem_free(pMac->ft.ftPEContext.pFTPreAuthReq->pbssDescription); pMac->ft.ftPEContext.pFTPreAuthReq->pbssDescription = NULL; } vos_mem_free(pMac->ft.ftPEContext.pFTPreAuthReq); pMac->ft.ftPEContext.pFTPreAuthReq = NULL; } PELOGE(limLog(pMac, LOG1, FL("Rcv MLM_REASSOC_CNF with result code %d"), pLimMlmReassocCnf->resultCode);) if (pLimMlmReassocCnf->resultCode == eSIR_SME_SUCCESS) { // Successful Reassociation limLog(pMac, LOG1, FL("*** Reassociated with new BSS ***")); psessionEntry->limSmeState = eLIM_SME_LINK_EST_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /** * Need to send Reassoc response with * Reassociation success to Host. */ limSendSmeJoinReassocRsp( pMac, eWNI_SME_REASSOC_RSP, pLimMlmReassocCnf->resultCode, pLimMlmReassocCnf->protStatusCode,psessionEntry, psessionEntry->smeSessionId,psessionEntry->transactionId); }else if (pLimMlmReassocCnf->resultCode == eSIR_SME_REASSOC_REFUSED) { /** Reassociation failure With the New AP * but we still have the link with the Older AP */ psessionEntry->limSmeState = eLIM_SME_LINK_EST_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /** * Need to send Reassoc response with * Association failure to Host. */ limSendSmeJoinReassocRsp(pMac, eWNI_SME_REASSOC_RSP, pLimMlmReassocCnf->resultCode, pLimMlmReassocCnf->protStatusCode,psessionEntry, psessionEntry->smeSessionId,psessionEntry->transactionId); }else { /* If driver gets deauth when its waiting for ADD_STA_RSP then we need * to do DEL_STA followed by DEL_BSS. So based on below reason-code here * we decide whether to do only DEL_BSS or DEL_STA + DEL_BSS */ if(pLimMlmReassocCnf->resultCode != eSIR_SME_JOIN_DEAUTH_FROM_AP_DURING_ADD_STA) { // Reassociation failure psessionEntry->limSmeState = eLIM_SME_JOIN_FAILURE_STATE; } MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /** * Need to send Reassoc response with * Association failure to Host. */ limHandleSmeReaasocResult(pMac, pLimMlmReassocCnf->resultCode, pLimMlmReassocCnf->protStatusCode, psessionEntry); } } /*** end limProcessMlmReassocCnf() ***/ /** * limProcessMlmReassocInd() * *FUNCTION: * This function is called to processes MLM_REASSOC_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmReassocInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tANI_U32 len; tSirMsgQ msgQ; tSirSmeReassocInd *pSirSmeReassocInd; tpDphHashNode pStaDs=0; tpPESession psessionEntry; tANI_U8 sessionId; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } if((psessionEntry = peFindSessionByBssid(pMac,((tpLimMlmReassocInd)pMsgBuf)->peerMacAddr, &sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given BSSId"));) return; } /// Inform Host of STA reassociation len = sizeof(tSirSmeReassocInd); pSirSmeReassocInd = vos_mem_malloc(len); if ( NULL == pSirSmeReassocInd ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for eWNI_SME_REASSOC_IND")); return; } sirStoreU16N((tANI_U8 *) &pSirSmeReassocInd->messageType, eWNI_SME_REASSOC_IND); if (limReassocIndSerDes(pMac, (tpLimMlmReassocInd) pMsgBuf, (tANI_U8 *) &(pSirSmeReassocInd->length), psessionEntry, sizeof(tSirSmeReassocInd)) != eSIR_SUCCESS) { limLog(pMac, LOGE,FL(" Received SME message with invalid rem length")); vos_mem_free(pSirSmeReassocInd); return; } // Required for indicating the frames to upper layer pSirSmeReassocInd->assocReqLength = ((tpLimMlmReassocInd) pMsgBuf)->assocReqLength; pSirSmeReassocInd->assocReqPtr = ((tpLimMlmReassocInd) pMsgBuf)->assocReqPtr; pSirSmeReassocInd->beaconPtr = psessionEntry->beacon; pSirSmeReassocInd->beaconLength = psessionEntry->bcnLen; msgQ.type = eWNI_SME_REASSOC_IND; msgQ.bodyptr = pSirSmeReassocInd; msgQ.bodyval = 0; MTRACE(macTrace(pMac, TRACE_CODE_TX_SME_MSG, psessionEntry->peSessionId, msgQ.type)); #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM //FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_REASSOC_IND_EVENT, psessionEntry, 0, 0); #endif //FEATURE_WLAN_DIAG_SUPPORT pStaDs = dphGetHashEntry(pMac, ((tpLimMlmReassocInd) pMsgBuf)->aid, &psessionEntry->dph.dphHashTable); if (! pStaDs) { limLog( pMac, LOGP, FL("MLM ReAssocInd: Station context no longer valid (aid %d)"), ((tpLimMlmReassocInd) pMsgBuf)->aid); vos_mem_free(pSirSmeReassocInd); return; } limSysProcessMmhMsgApi(pMac, &msgQ, ePROT); limLog(pMac, LOG1, FL("Create CNF_WAIT_TIMER after received LIM_MLM_REASSOC_IND")); /* ** turn on a timer to detect the loss of REASSOC CNF **/ limActivateCnfTimer(pMac, (tANI_U16) ((tpLimMlmReassocInd) pMsgBuf)->aid, psessionEntry); } /*** end limProcessMlmReassocInd() ***/ /** * limProcessMlmAuthInd() * *FUNCTION: * This function is called to processes MLM_AUTH_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmAuthInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tSirMsgQ msgQ; tSirSmeAuthInd *pSirSmeAuthInd; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pSirSmeAuthInd = vos_mem_malloc(sizeof(tSirSmeAuthInd)); if ( NULL == pSirSmeAuthInd ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for eWNI_SME_AUTH_IND")); return; } limCopyU16((tANI_U8 *) &pSirSmeAuthInd->messageType, eWNI_SME_AUTH_IND); if (limAuthIndSerDes(pMac, (tpLimMlmAuthInd) pMsgBuf, (tANI_U8 *) &(pSirSmeAuthInd->length), sizeof(tSirSmeAuthInd)) != eSIR_SUCCESS) { limLog(pMac, LOGE,FL(" Received SME message with invalid rem length")); vos_mem_free(pSirSmeAuthInd); return; } msgQ.type = eWNI_SME_AUTH_IND; msgQ.bodyptr = pSirSmeAuthInd; msgQ.bodyval = 0; MTRACE(macTrace(pMac, TRACE_CODE_TX_SME_MSG, NO_SESSION, msgQ.type)); #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM //FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_AUTH_IND_EVENT, NULL, 0, 0); #endif //FEATURE_WLAN_DIAG_SUPPORT limSysProcessMmhMsgApi(pMac, &msgQ, ePROT); } /*** end limProcessMlmAuthInd() ***/ void limFillAssocIndParams(tpAniSirGlobal pMac, tpLimMlmAssocInd pAssocInd, tSirSmeAssocInd *pSirSmeAssocInd, tpPESession psessionEntry) { pSirSmeAssocInd->length = sizeof(tSirSmeAssocInd); pSirSmeAssocInd->sessionId = psessionEntry->smeSessionId; // Required for indicating the frames to upper layer pSirSmeAssocInd->assocReqLength = pAssocInd->assocReqLength; pSirSmeAssocInd->assocReqPtr = pAssocInd->assocReqPtr; pSirSmeAssocInd->beaconPtr = psessionEntry->beacon; pSirSmeAssocInd->beaconLength = psessionEntry->bcnLen; // Fill in peerMacAddr vos_mem_copy(pSirSmeAssocInd->peerMacAddr, pAssocInd->peerMacAddr, sizeof(tSirMacAddr)); // Fill in aid pSirSmeAssocInd->aid = pAssocInd->aid; // Fill in bssId vos_mem_copy(pSirSmeAssocInd->bssId, psessionEntry->bssId, sizeof(tSirMacAddr)); // Fill in staId //pSirSmeAssocInd->staId = psessionEntry->staId; // Fill in authType pSirSmeAssocInd->authType = pAssocInd->authType; /* Fill in rsn_akm_type */ pSirSmeAssocInd->akm_type = pAssocInd->akm_type; // Fill in ssId vos_mem_copy((tANI_U8*)&pSirSmeAssocInd->ssId, (tANI_U8 *) &(pAssocInd->ssId), pAssocInd->ssId.length + 1); pSirSmeAssocInd->rsnIE.length = pAssocInd->rsnIE.length; vos_mem_copy((tANI_U8*) &pSirSmeAssocInd->rsnIE.rsnIEdata, (tANI_U8 *) &(pAssocInd->rsnIE.rsnIEdata), pAssocInd->rsnIE.length); pSirSmeAssocInd->addIE.length = pAssocInd->addIE.length; vos_mem_copy((tANI_U8*) &pSirSmeAssocInd->addIE.addIEdata, (tANI_U8 *) &(pAssocInd->addIE.addIEdata), pAssocInd->addIE.length); // Copy the new TITAN capabilities pSirSmeAssocInd->spectrumMgtIndicator = pAssocInd->spectrumMgtIndicator; if (pAssocInd->spectrumMgtIndicator == eSIR_TRUE) { pSirSmeAssocInd->powerCap.minTxPower = pAssocInd->powerCap.minTxPower; pSirSmeAssocInd->powerCap.maxTxPower = pAssocInd->powerCap.maxTxPower; pSirSmeAssocInd->supportedChannels.numChnl = pAssocInd->supportedChannels.numChnl; vos_mem_copy((tANI_U8*) &pSirSmeAssocInd->supportedChannels.channelList, (tANI_U8 *) &(pAssocInd->supportedChannels.channelList), pAssocInd->supportedChannels.numChnl); } // Fill in WmmInfo pSirSmeAssocInd->wmmEnabledSta = pAssocInd->WmmStaInfoPresent; #ifdef WLAN_FEATURE_AP_HT40_24G pSirSmeAssocInd->HT40MHzIntoEnabledSta = pAssocInd->HT40MHzIntoPresent; limLog(pMac, LOGW, FL("HT40MHzIntoPresent: %d"), pSirSmeAssocInd->HT40MHzIntoEnabledSta); #endif // Fill in rate flags pSirSmeAssocInd->rate_flags = pAssocInd->rate_flags; pSirSmeAssocInd->ch_width = pAssocInd->ch_width; pSirSmeAssocInd->chan_info = pAssocInd->chan_info; if (pAssocInd->HTCaps.present) pSirSmeAssocInd->HTCaps = pAssocInd->HTCaps; if (pAssocInd->VHTCaps.present) pSirSmeAssocInd->VHTCaps = pAssocInd->VHTCaps; pSirSmeAssocInd->is_sae_authenticated = pAssocInd->is_sae_authenticated; } /*** end limAssocIndSerDes() ***/ /** * limProcessMlmAssocInd() * *FUNCTION: * This function is called to processes MLM_ASSOC_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmAssocInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tANI_U32 len; vos_msg_t msg; tSirSmeAssocInd *pSirSmeAssocInd; tpDphHashNode pStaDs=0; tpPESession psessionEntry; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } if((psessionEntry = peFindSessionBySessionId(pMac,((tpLimMlmAssocInd) pMsgBuf)->sessionId))== NULL) { limLog( pMac, LOGE, FL( "Session Does not exist for given sessionId" )); return; } /// Inform Host of STA association len = sizeof(tSirSmeAssocInd); pSirSmeAssocInd = vos_mem_malloc(len); if ( NULL == pSirSmeAssocInd ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for eWNI_SME_ASSOC_IND")); return; } vos_mem_zero(pSirSmeAssocInd, len); pSirSmeAssocInd->messageType = eWNI_SME_ASSOC_IND; limFillAssocIndParams(pMac, (tpLimMlmAssocInd) pMsgBuf, pSirSmeAssocInd, psessionEntry); msg.type = eWNI_SME_ASSOC_IND; msg.bodyptr = pSirSmeAssocInd; msg.bodyval = 0; pStaDs = dphGetHashEntry(pMac, ((tpLimMlmAssocInd) pMsgBuf)->aid, &psessionEntry->dph.dphHashTable); if (! pStaDs) { // good time to panic... limLog(pMac, LOGE, FL("MLM AssocInd: Station context no longer valid (aid %d)"), ((tpLimMlmAssocInd) pMsgBuf)->aid); vos_mem_free(pSirSmeAssocInd); return; } pSirSmeAssocInd->staId = pStaDs->staIndex; pSirSmeAssocInd->reassocReq = pStaDs->mlmStaContext.subType; MTRACE(macTrace(pMac, TRACE_CODE_TX_SME_MSG, psessionEntry->peSessionId, msg.type)); #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM //FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_ASSOC_IND_EVENT, psessionEntry, 0, 0); #endif //FEATURE_WLAN_DIAG_SUPPORT limLog(pMac, LOG1, FL("Create CNF_WAIT_TIMER after received LIM_MLM_ASSOC_IND")); /* ** turn on a timer to detect the loss of ASSOC CNF **/ limActivateCnfTimer(pMac, (tANI_U16) ((tpLimMlmAssocInd) pMsgBuf)->aid, psessionEntry); if (pMac->lim.sme_msg_callback) pMac->lim.sme_msg_callback(pMac, &msg); else limLog(pMac, LOGE, FL("Sme msg callback is NULL")); // Enable this Compile flag to test the BT-AMP -AP assoc sequence #ifdef TEST_BTAMP_AP //tANI_U32 *pMsgBuf; { tpSirSmeAssocCnf pSmeAssoccnf; pSmeAssoccnf = vos_mem_malloc(sizeof(tSirSmeAssocCnf)); if ( NULL == pSmeAssoccnf ) PELOGE(limLog(pMac, LOGE, FL("AllocateMemory failed for pSmeAssoccnf "));) pSmeAssoccnf->messageType = eWNI_SME_ASSOC_CNF; pSmeAssoccnf->length = sizeof(tSirSmeAssocCnf); vos_mem_copy(pSmeAssoccnf->peerMacAddr, ((tpLimMlmAssocInd)pMsgBuf)->peerMacAddr, 6); pSmeAssoccnf->statusCode = eSIR_SME_SUCCESS; pSmeAssoccnf->aid = ((tpLimMlmAssocInd)pMsgBuf)->aid; vos_mem_copy(pSmeAssoccnf->alternateBssId, pSmeAssoccnf->peerMacAddr, sizeof(tSirMacAddr)); pSmeAssoccnf->alternateChannelId = 6; vos_mem_copy(pSmeAssoccnf->bssId, psessionEntry->selfMacAddr, 6); pMsgBuf = (tANI_U32)pSmeAssoccnf; __limProcessSmeAssocCnfNew(pMac, eWNI_SME_ASSOC_CNF, pMsgBuf); vos_mem_free(pSmeAssoccnf); } #endif } /*** end limProcessMlmAssocInd() ***/ /** * limProcessMlmDisassocInd() * *FUNCTION: * This function is called to processes MLM_DISASSOC_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmDisassocInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tLimMlmDisassocInd *pMlmDisassocInd; tpPESession psessionEntry; pMlmDisassocInd = (tLimMlmDisassocInd *) pMsgBuf; if( (psessionEntry = peFindSessionBySessionId(pMac,pMlmDisassocInd->sessionId) )== NULL) { limLog(pMac, LOGP,FL("Session Does not exist for given sessionID")); return; } switch (psessionEntry->limSystemRole) { case eLIM_STA_IN_IBSS_ROLE: break; case eLIM_STA_ROLE: case eLIM_BT_AMP_STA_ROLE: psessionEntry->limSmeState = eLIM_SME_WT_DISASSOC_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); break; default: // eLIM_AP_ROLE //eLIM_BT_AMP_AP_ROLE limLog(pMac, LOG1, FL("*** Peer staId = %d Disassociated ***"), pMlmDisassocInd->aid); // Send SME_DISASOC_IND after Polaris cleanup // (after receiving LIM_MLM_PURGE_STA_IND) break; } // end switch (psessionEntry->limSystemRole) } /*** end limProcessMlmDisassocInd() ***/ /** * limProcessMlmDisassocCnf() * *FUNCTION: * This function is called to processes MLM_DISASSOC_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmDisassocCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tSirResultCodes resultCode; tLimMlmDisassocCnf *pMlmDisassocCnf; tpPESession psessionEntry; pMlmDisassocCnf = (tLimMlmDisassocCnf *) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmDisassocCnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session Does not exist for given session Id"));) return; } resultCode = (tSirResultCodes) (pMlmDisassocCnf->disassocTrigger == eLIM_LINK_MONITORING_DISASSOC) ? eSIR_SME_LOST_LINK_WITH_PEER_RESULT_CODE : pMlmDisassocCnf->resultCode; if ((psessionEntry->limSystemRole == eLIM_STA_ROLE)|| (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)) { // Disassociate Confirm from MLM if ( (psessionEntry->limSmeState != eLIM_SME_WT_DISASSOC_STATE) && (psessionEntry->limSmeState != eLIM_SME_WT_DEAUTH_STATE) ) { /** * Should not have received * Disassocate confirm * from MLM in other states. * Log error */ PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_DISASSOC_CNF in state %d"),psessionEntry->limSmeState);) return; } if (pMac->lim.gLimRspReqd) pMac->lim.gLimRspReqd = false; if (pMlmDisassocCnf->disassocTrigger == eLIM_PROMISCUOUS_MODE_DISASSOC) { if (pMlmDisassocCnf->resultCode != eSIR_SME_SUCCESS) psessionEntry->limSmeState = psessionEntry->limPrevSmeState; else psessionEntry->limSmeState = eLIM_SME_OFFLINE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); // Send Promiscuous mode response to host limSendSmePromiscuousModeRsp(pMac); } else { if (pMlmDisassocCnf->resultCode != eSIR_SME_SUCCESS) psessionEntry->limSmeState = psessionEntry->limPrevSmeState; else psessionEntry->limSmeState = eLIM_SME_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); limSendSmeDisassocNtf(pMac, pMlmDisassocCnf->peerMacAddr, resultCode, pMlmDisassocCnf->disassocTrigger, pMlmDisassocCnf->aid,psessionEntry->smeSessionId,psessionEntry->transactionId,psessionEntry); } } else if ( (psessionEntry->limSystemRole == eLIM_AP_ROLE)|| (psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE) ) { limSendSmeDisassocNtf(pMac, pMlmDisassocCnf->peerMacAddr, resultCode, pMlmDisassocCnf->disassocTrigger, pMlmDisassocCnf->aid,psessionEntry->smeSessionId,psessionEntry->transactionId,psessionEntry); } } /*** end limProcessMlmDisassocCnf() ***/ /** * limProcessMlmDeauthInd() * *FUNCTION: * This function is called to processes MLM_DEAUTH_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmDeauthInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tLimMlmDeauthInd *pMlmDeauthInd; tpPESession psessionEntry; tANI_U8 sessionId; pMlmDeauthInd = (tLimMlmDeauthInd *) pMsgBuf; if((psessionEntry = peFindSessionByBssid(pMac,pMlmDeauthInd->peerMacAddr,&sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for Addr:" MAC_ADDRESS_STR), MAC_ADDR_ARRAY(pMlmDeauthInd->peerMacAddr));) return; } switch (psessionEntry->limSystemRole) { case eLIM_STA_IN_IBSS_ROLE: break; case eLIM_STA_ROLE: case eLIM_BT_AMP_STA_ROLE: psessionEntry->limSmeState = eLIM_SME_WT_DEAUTH_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); default: // eLIM_AP_ROLE { limLog(pMac, LOG1, FL("*** Received Deauthentication from staId=%d ***"), pMlmDeauthInd->aid); } // Send SME_DEAUTH_IND after Polaris cleanup // (after receiving LIM_MLM_PURGE_STA_IND) break; } // end switch (psessionEntry->limSystemRole) } /*** end limProcessMlmDeauthInd() ***/ /** * limProcessMlmDeauthCnf() * *FUNCTION: * This function is called to processes MLM_DEAUTH_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmDeauthCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tANI_U16 aid; tSirResultCodes resultCode; tLimMlmDeauthCnf *pMlmDeauthCnf; tpPESession psessionEntry; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmDeauthCnf = (tLimMlmDeauthCnf *) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmDeauthCnf->sessionId))==NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given session Id "));) return; } resultCode = (tSirResultCodes) (pMlmDeauthCnf->deauthTrigger == eLIM_LINK_MONITORING_DEAUTH) ? eSIR_SME_LOST_LINK_WITH_PEER_RESULT_CODE : pMlmDeauthCnf->resultCode; aid = (psessionEntry->limSystemRole == eLIM_AP_ROLE) ? pMlmDeauthCnf->aid : 1; if ((psessionEntry->limSystemRole == eLIM_STA_ROLE)|| (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)) { // Deauth Confirm from MLM if ((psessionEntry->limSmeState != eLIM_SME_WT_DISASSOC_STATE) && (psessionEntry->limSmeState != eLIM_SME_WT_DEAUTH_STATE)) { /** * Should not have received Deauth confirm * from MLM in other states. * Log error */ PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_DEAUTH_CNF in state %d"), psessionEntry->limSmeState);) return; } if (pMlmDeauthCnf->resultCode == eSIR_SME_SUCCESS) { psessionEntry->limSmeState = eLIM_SME_IDLE_STATE; limLog(pMac, LOG1, FL("*** Deauthenticated with BSS ***")); } else psessionEntry->limSmeState = psessionEntry->limPrevSmeState; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); if (pMac->lim.gLimRspReqd) pMac->lim.gLimRspReqd = false; } // On STA or on BASIC AP, send SME_DEAUTH_RSP to host limSendSmeDeauthNtf(pMac, pMlmDeauthCnf->peerMacAddr, resultCode, pMlmDeauthCnf->deauthTrigger, aid,psessionEntry->smeSessionId,psessionEntry->transactionId); } /*** end limProcessMlmDeauthCnf() ***/ /** * limProcessMlmPurgeStaInd() * *FUNCTION: * This function is called to processes MLM_PURGE_STA_IND * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmPurgeStaInd(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { tSirResultCodes resultCode; tpLimMlmPurgeStaInd pMlmPurgeStaInd; tpPESession psessionEntry; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmPurgeStaInd = (tpLimMlmPurgeStaInd) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmPurgeStaInd->sessionId))==NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given bssId"));) return; } // Purge STA indication from MLM resultCode = (tSirResultCodes) pMlmPurgeStaInd->reasonCode; switch (psessionEntry->limSystemRole) { case eLIM_STA_IN_IBSS_ROLE: break; case eLIM_STA_ROLE: case eLIM_BT_AMP_STA_ROLE: default: // eLIM_AP_ROLE if ((psessionEntry->limSystemRole == eLIM_STA_ROLE) && (psessionEntry->limSmeState != eLIM_SME_WT_DISASSOC_STATE) && (psessionEntry->limSmeState != eLIM_SME_WT_DEAUTH_STATE)) { /** * Should not have received * Purge STA indication * from MLM in other states. * Log error */ PELOGE(limLog(pMac, LOGE, FL("received unexpected MLM_PURGE_STA_IND in state %d"), psessionEntry->limSmeState);) break; } PELOG1(limLog(pMac, LOG1, FL("*** Polaris cleanup completed for staId=%d ***"), pMlmPurgeStaInd->aid);) if ((psessionEntry->limSystemRole == eLIM_STA_ROLE)||(psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)) { psessionEntry->limSmeState = eLIM_SME_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); } if (pMlmPurgeStaInd->purgeTrigger == eLIM_PEER_ENTITY_DEAUTH) { limSendSmeDeauthNtf(pMac, pMlmPurgeStaInd->peerMacAddr, resultCode, pMlmPurgeStaInd->purgeTrigger, pMlmPurgeStaInd->aid,psessionEntry->smeSessionId,psessionEntry->transactionId); } else limSendSmeDisassocNtf(pMac, pMlmPurgeStaInd->peerMacAddr, resultCode, pMlmPurgeStaInd->purgeTrigger, pMlmPurgeStaInd->aid,psessionEntry->smeSessionId,psessionEntry->transactionId,psessionEntry); } // end switch (psessionEntry->limSystemRole) } /*** end limProcessMlmPurgeStaInd() ***/ /** * limProcessMlmSetKeysCnf() * *FUNCTION: * This function is called to processes MLM_SETKEYS_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmSetKeysCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { // Prepare and send SME_SETCONTEXT_RSP message tLimMlmSetKeysCnf *pMlmSetKeysCnf; tpPESession psessionEntry; tANI_U16 aid; tpDphHashNode pStaDs; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmSetKeysCnf = (tLimMlmSetKeysCnf *) pMsgBuf; if ((psessionEntry = peFindSessionBySessionId(pMac, pMlmSetKeysCnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given sessionId "));) return; } psessionEntry->isKeyInstalled = 0; limLog( pMac, LOG1, FL("Received MLM_SETKEYS_CNF with resultCode = %d"), pMlmSetKeysCnf->resultCode ); /* if the status is success keys are installed in the * Firmware so we can set the protection bit */ if (eSIR_SME_SUCCESS == pMlmSetKeysCnf->resultCode) { psessionEntry->isKeyInstalled = 1; if ((psessionEntry->limSystemRole == eLIM_AP_ROLE) || (psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE)) { pStaDs = dphLookupHashEntry(pMac, pMlmSetKeysCnf->peerMacAddr, &aid, &psessionEntry->dph.dphHashTable); if (pStaDs != NULL) pStaDs->isKeyInstalled = 1; } } limSendSmeSetContextRsp(pMac, pMlmSetKeysCnf->peerMacAddr, 1, (tSirResultCodes) pMlmSetKeysCnf->resultCode,psessionEntry,psessionEntry->smeSessionId, psessionEntry->transactionId); } /*** end limProcessMlmSetKeysCnf() ***/ /** * limProcessMlmRemoveKeyCnf() * *FUNCTION: * This function is called to processes MLM_REMOVEKEY_CNF * message from MLM State machine. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param pMsgBuf A pointer to the MLM message buffer * * @return None */ void limProcessMlmRemoveKeyCnf(tpAniSirGlobal pMac, tANI_U32 *pMsgBuf) { // Prepare and send SME_REMOVECONTEXT_RSP message tLimMlmRemoveKeyCnf *pMlmRemoveKeyCnf; tpPESession psessionEntry; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmRemoveKeyCnf = (tLimMlmRemoveKeyCnf *) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmRemoveKeyCnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session Does not exist for given session Id"));) return; } limLog( pMac, LOG1, FL("Received MLM_REMOVEKEYS_CNF with resultCode = %d"), pMlmRemoveKeyCnf->resultCode ); limSendSmeRemoveKeyRsp(pMac, pMlmRemoveKeyCnf->peerMacAddr, (tSirResultCodes) pMlmRemoveKeyCnf->resultCode,psessionEntry, psessionEntry->smeSessionId,psessionEntry->transactionId); } /*** end limProcessMlmRemoveKeyCnf() ***/ /** * limHandleSmeJoinResult() * *FUNCTION: * This function is called to process join/auth/assoc failures * upon receiving MLM_JOIN/AUTH/ASSOC_CNF with a failure code or * MLM_ASSOC_CNF with a success code in case of STA role and * MLM_JOIN_CNF with success in case of STA in IBSS role. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param resultCode Failure code to be sent * * * @return None */ static void limHandleSmeJoinResult(tpAniSirGlobal pMac, tSirResultCodes resultCode, tANI_U16 protStatusCode, tpPESession psessionEntry) { tpDphHashNode pStaDs = NULL; tANI_U8 smesessionId; tANI_U16 smetransactionId; /* Newly Added on oct 11 th*/ if(psessionEntry == NULL) { PELOGE(limLog(pMac, LOGE,FL("psessionEntry is NULL "));) return; } smesessionId = psessionEntry->smeSessionId; smetransactionId = psessionEntry->transactionId; /* When associations is failed , delete the session created and pass NULL to limsendsmeJoinReassocRsp() */ if(resultCode != eSIR_SME_SUCCESS) { pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if (pStaDs != NULL) { pStaDs->mlmStaContext.disassocReason = eSIR_MAC_UNSPEC_FAILURE_REASON; pStaDs->mlmStaContext.cleanupTrigger = eLIM_JOIN_FAILURE; pStaDs->mlmStaContext.resultCode = resultCode; pStaDs->mlmStaContext.protStatusCode = protStatusCode; //Done: 7-27-2009. JIM_FIX_ME: at the end of limCleanupRxPath, make sure PE is sending eWNI_SME_JOIN_RSP to SME limCleanupRxPath(pMac, pStaDs, psessionEntry); /* Cleanup if add bss failed */ if(psessionEntry->addBssfailed) { dphDeleteHashEntry(pMac, pStaDs->staAddr, pStaDs->assocId, &psessionEntry->dph.dphHashTable); goto error; } vos_mem_free(psessionEntry->pLimJoinReq); psessionEntry->pLimJoinReq = NULL; return; } } error: vos_mem_free(psessionEntry->pLimJoinReq); psessionEntry->pLimJoinReq = NULL; //Delete teh session if JOIN failure occurred. if(resultCode != eSIR_SME_SUCCESS) { if(NULL != psessionEntry) { if(limSetLinkState(pMac, eSIR_LINK_IDLE_STATE,psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS) PELOGE(limLog(pMac, LOGE, FL("Failed to set the LinkState."));) peDeleteSession(pMac,psessionEntry); psessionEntry = NULL; } } limSendSmeJoinReassocRsp(pMac, eWNI_SME_JOIN_RSP, resultCode, protStatusCode,psessionEntry, smesessionId, smetransactionId); } /*** end limHandleSmeJoinResult() ***/ /** * limHandleSmeReaasocResult() * *FUNCTION: * This function is called to process reassoc failures * upon receiving REASSOC_CNF with a failure code or * MLM_REASSOC_CNF with a success code in case of STA role * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param resultCode Failure code to be sent * * * @return None */ static void limHandleSmeReaasocResult(tpAniSirGlobal pMac, tSirResultCodes resultCode, tANI_U16 protStatusCode, tpPESession psessionEntry) { tpDphHashNode pStaDs = NULL; tANI_U8 smesessionId; tANI_U16 smetransactionId; if(psessionEntry == NULL) { PELOGE(limLog(pMac, LOGE,FL("psessionEntry is NULL "));) return; } smesessionId = psessionEntry->smeSessionId; smetransactionId = psessionEntry->transactionId; /* When associations is failed , delete the session created and pass NULL to limsendsmeJoinReassocRsp() */ if(resultCode != eSIR_SME_SUCCESS) { pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if (pStaDs != NULL) { pStaDs->mlmStaContext.disassocReason = eSIR_MAC_UNSPEC_FAILURE_REASON; pStaDs->mlmStaContext.cleanupTrigger = eLIM_JOIN_FAILURE; pStaDs->mlmStaContext.resultCode = resultCode; pStaDs->mlmStaContext.protStatusCode = protStatusCode; limCleanupRxPath(pMac, pStaDs, psessionEntry); /* Cleanup if add bss failed */ if(psessionEntry->addBssfailed) { dphDeleteHashEntry(pMac, pStaDs->staAddr, pStaDs->assocId, &psessionEntry->dph.dphHashTable); goto error; } return; } } error: //Delete teh session if REASSOC failure occurred. if(resultCode != eSIR_SME_SUCCESS) { if(NULL != psessionEntry) { peDeleteSession(pMac,psessionEntry); psessionEntry = NULL; } } limSendSmeJoinReassocRsp(pMac, eWNI_SME_REASSOC_RSP, resultCode, protStatusCode,psessionEntry, smesessionId, smetransactionId); } /*** end limHandleSmeReassocResult() ***/ /** * limProcessMlmAddStaRsp() * *FUNCTION: * This function is called to process a WDA_ADD_STA_RSP from HAL. * Upon receipt of this message from HAL, MLME - * > Determines the "state" in which this message was received * > Forwards it to the appropriate callback * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ void limProcessMlmAddStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry ) { //we need to process the deferred message since the initiating req. there might be nested request. //in the case of nested request the new request initiated from the response will take care of resetting //the deffered flag. SET_LIM_PROCESS_DEFD_MESGS(pMac, true); if ((psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE) || (psessionEntry->limSystemRole == eLIM_AP_ROLE) ) { limProcessBtAmpApMlmAddStaRsp(pMac, limMsgQ,psessionEntry); return; } #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { lim_process_sta_mlm_add_sta_rsp_mbb(pMac, limMsgQ, psessionEntry); return; } #endif limProcessStaMlmAddStaRsp(pMac, limMsgQ,psessionEntry); } void limProcessStaMlmAddStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ,tpPESession psessionEntry) { tLimMlmAssocCnf mlmAssocCnf; tpDphHashNode pStaDs; tANI_U32 mesgType = LIM_MLM_ASSOC_CNF; tpAddStaParams pAddStaParams = (tpAddStaParams) limMsgQ->bodyptr; if(NULL == pAddStaParams ) { limLog( pMac, LOGE, FL( "Encountered NULL Pointer" )); return; } if (true == psessionEntry->fDeauthReceived) { PELOGE(limLog(pMac, LOGE, FL("Received Deauth frame in ADD_STA_RESP state"));) if (eHAL_STATUS_SUCCESS == pAddStaParams->status) { PELOGE(limLog(pMac, LOGE, FL("ADD_STA success, send update result code with" "eSIR_SME_JOIN_DEAUTH_FROM_AP_DURING_ADD_STA staIdx: %d" "limMlmState: %d"), pAddStaParams->staIdx, psessionEntry->limMlmState);) if(psessionEntry->limSmeState == eLIM_SME_WT_REASSOC_STATE) mesgType = LIM_MLM_REASSOC_CNF; //We are sending result code eSIR_SME_JOIN_DEAUTH_FROM_AP_DURING_ADD_STA //which will trigger proper cleanup (DEL_STA/DEL_BSS both required) in //either assoc cnf or reassoc cnf handler. mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_JOIN_DEAUTH_FROM_AP_DURING_ADD_STA; mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; psessionEntry->staId = pAddStaParams->staIdx; goto end; } } if ( eHAL_STATUS_SUCCESS == pAddStaParams->status ) { if ( eLIM_MLM_WT_ADD_STA_RSP_STATE != psessionEntry->limMlmState) { //TODO: any response to be sent out here ? limLog( pMac, LOGE, FL( "Received unexpected WDA_ADD_STA_RSP in state %d" ), psessionEntry->limMlmState); mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_REFUSED; goto end; } if(psessionEntry->limSmeState == eLIM_SME_WT_REASSOC_STATE) mesgType = LIM_MLM_REASSOC_CNF; // // Update the DPH Hash Entry for this STA // with proper state info // pStaDs = dphGetHashEntry( pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if( NULL != pStaDs) pStaDs->mlmStaContext.mlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; else limLog( pMac, LOGW, FL( "Unable to get the DPH Hash Entry for AID - %d" ), DPH_STA_HASH_INDEX_PEER); psessionEntry->limMlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); /* * Storing the self StaIndex(Generated by HAL) in session context, * instead of storing it in DPH Hash entry for Self STA. * DPH entry for the self STA stores the sta index for the BSS entry * to which the STA is associated. */ psessionEntry->staId = pAddStaParams->staIdx; //if the AssocRsp frame is not acknowledged, then keep alive timer will take care of the state #ifdef WLAN_ACTIVEMODE_OFFLOAD_FEATURE if(!IS_ACTIVEMODE_OFFLOAD_FEATURE_ENABLE) #endif { limReactivateHeartBeatTimer(pMac, psessionEntry); } MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_KEEPALIVE_TIMER)); //assign the sessionId to the timer Object pMac->lim.limTimers.gLimKeepaliveTimer.sessionId = psessionEntry->peSessionId; if (tx_timer_activate(&pMac->lim.limTimers.gLimKeepaliveTimer) != TX_SUCCESS) limLog(pMac, LOGP, FL("Cannot activate keepalive timer.")); #ifdef WLAN_DEBUG pMac->lim.gLimNumLinkEsts++; #endif #ifdef FEATURE_WLAN_TDLS /* initialize TDLS peer related data */ limInitTdlsData(pMac,psessionEntry); #endif // Return Assoc confirm to SME with success // FIXME_GEN4 - Need the correct ASSOC RSP code to // be passed in here.... //mlmAssocCnf.resultCode = (tSirResultCodes) assoc.statusCode; mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_SUCCESS; } else { limLog( pMac, LOGE, FL( "ADD_STA failed!")); if(psessionEntry->limSmeState == eLIM_SME_WT_REASSOC_STATE) { mesgType = LIM_MLM_REASSOC_CNF; mlmAssocCnf.resultCode = (tSirResultCodes)eSIR_SME_FT_REASSOC_FAILURE; } else { mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_REFUSED; } mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; } end: if( 0 != limMsgQ->bodyptr ) { vos_mem_free(pAddStaParams); limMsgQ->bodyptr = NULL; } /* Updating PE session Id*/ mlmAssocCnf.sessionId = psessionEntry->peSessionId; limPostSmeMessage( pMac, mesgType, (tANI_U32 *) &mlmAssocCnf ); if (true == psessionEntry->fDeauthReceived) { psessionEntry->fDeauthReceived = false; } return; } void limProcessMlmDelBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { //we need to process the deferred message since the initiating req. there might be nested request. //in the case of nested request the new request initiated from the response will take care of resetting //the deffered flag. // tpPESession psessionEntry; // tpDeleteBssParams pDeleteBssParams =( tpDeleteBssParams)limMsgQ->bodyptr; // if((psessionEntry = peFindSessionBySessionId(pMac,pDeleteBssParams->sessionId)) == NULL) // { // limLog( pMac, LOGE, FL( "Session deos not exist with given sessionId" )); // return; // } SET_LIM_PROCESS_DEFD_MESGS(pMac, true); if (((psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE) || (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE) || (psessionEntry->limSystemRole == eLIM_AP_ROLE) ) && (psessionEntry->statypeForBss == STA_ENTRY_SELF)) { limProcessBtAmpApMlmDelBssRsp(pMac, limMsgQ,psessionEntry); return; } limProcessStaMlmDelBssRsp(pMac, limMsgQ,psessionEntry); if(!limIsInMCC(pMac)) { WDA_TrafficStatsTimerActivate(FALSE); } #ifdef WLAN_FEATURE_11W if (psessionEntry->limRmfEnabled) { if ( eSIR_SUCCESS != limSendExcludeUnencryptInd(pMac, TRUE, psessionEntry) ) { limLog( pMac, LOGE, FL( "Could not send down Exclude Unencrypted Indication!" ) ); } } #endif } void limProcessStaMlmDelBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tpDeleteBssParams pDelBssParams = (tpDeleteBssParams) limMsgQ->bodyptr; tpDphHashNode pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); tSirResultCodes statusCode = eSIR_SME_SUCCESS; #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { lim_process_sta_mlm_del_bss_rsp_mbb(pMac, limMsgQ, psessionEntry); return; } #endif if (NULL == pDelBssParams) { limLog( pMac, LOGE, FL( "Invalid body pointer in message")); goto end; } if( eHAL_STATUS_SUCCESS == pDelBssParams->status ) { PELOGW(limLog( pMac, LOGW, FL( "STA received the DEL_BSS_RSP for BSSID: %X."),pDelBssParams->bssIdx);) if (limSetLinkState(pMac, eSIR_LINK_IDLE_STATE, psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS) { PELOGE(limLog( pMac, LOGE, FL( "Failure in setting link state to IDLE"));) statusCode = eSIR_SME_REFUSED; goto end; } if(pStaDs == NULL) { limLog( pMac, LOGE, FL( "DPH Entry for STA 1 missing.")); statusCode = eSIR_SME_REFUSED; goto end; } if( eLIM_MLM_WT_DEL_BSS_RSP_STATE != pStaDs->mlmStaContext.mlmState) { PELOGE(limLog( pMac, LOGE, FL( "Received unexpected WDA_DEL_BSS_RSP in state %d" ), pStaDs->mlmStaContext.mlmState);) statusCode = eSIR_SME_REFUSED; goto end; } limLog( pMac, LOG1, FL("STA AssocID %d MAC "), pStaDs->assocId ); limPrintMacAddr(pMac, pStaDs->staAddr, LOG1); } else { /* If DelBSS response is failure, go ahead and * post response to SME */ limLog( pMac, LOGE, FL( "DEL BSS failed! Status:%d" ), pDelBssParams->status ); statusCode = eSIR_SME_REFUSED; } end: if( 0 != limMsgQ->bodyptr ) { vos_mem_free(pDelBssParams); limMsgQ->bodyptr = NULL; } if(pStaDs == NULL) return; if ( ((psessionEntry->limSystemRole == eLIM_STA_ROLE) || (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)) && (psessionEntry->limSmeState != eLIM_SME_WT_DISASSOC_STATE && psessionEntry->limSmeState != eLIM_SME_WT_DEAUTH_STATE) && pStaDs->mlmStaContext.cleanupTrigger != eLIM_JOIN_FAILURE) { /** The Case where the DelBss is invoked from * context of other than normal DisAssoc / Deauth OR * as part of Join Failure. */ limHandleDelBssInReAssocContext(pMac, pStaDs,psessionEntry); return; } limPrepareAndSendDelStaCnf(pMac, pStaDs, statusCode,psessionEntry); return; } void limProcessBtAmpApMlmDelBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tSirResultCodes rc = eSIR_SME_SUCCESS; tSirRetStatus status; tpDeleteBssParams pDelBss = (tpDeleteBssParams) limMsgQ->bodyptr; tSirMacAddr nullBssid = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; if(psessionEntry == NULL) { limLog(pMac, LOGE,FL("Session entry passed is NULL")); if(pDelBss != NULL) { vos_mem_free(pDelBss); limMsgQ->bodyptr = NULL; } return; } if (pDelBss == NULL) { PELOGE(limLog(pMac, LOGE, FL("BSS: DEL_BSS_RSP with no body!"));) rc = eSIR_SME_REFUSED; goto end; } pMac->lim.gLimMlmState = eLIM_MLM_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, NO_SESSION, pMac->lim.gLimMlmState)); if( eLIM_MLM_WT_DEL_BSS_RSP_STATE != psessionEntry->limMlmState) { limLog( pMac, LOGE, FL( "Received unexpected WDA_DEL_BSS_RSP in state %d" ), psessionEntry->limMlmState); rc = eSIR_SME_REFUSED; goto end; } if (pDelBss->status != eHAL_STATUS_SUCCESS) { limLog(pMac, LOGE, FL("BSS: DEL_BSS_RSP error (%x) Bss %d "), pDelBss->status, pDelBss->bssIdx); rc = eSIR_SME_STOP_BSS_FAILURE; goto end; } status = limSetLinkState(pMac, eSIR_LINK_IDLE_STATE, nullBssid, psessionEntry->selfMacAddr, NULL, NULL); if (status != eSIR_SUCCESS) { rc = eSIR_SME_REFUSED; goto end; } /** Softmac may send all the buffered packets right after resuming the transmission hence * to occupy the medium during non channel occupancy period. So resume the transmission after * HAL gives back the response. */ #if 0 //TODO: How to handle this per session if (LIM_IS_RADAR_DETECTED(pMac)) { limFrameTransmissionControl(pMac, eLIM_TX_BSS_BUT_BEACON, eLIM_RESUME_TX); LIM_SET_RADAR_DETECTED(pMac, eANI_BOOLEAN_FALSE); } #endif dphHashTableClassInit(pMac, &psessionEntry->dph.dphHashTable);//TBD-RAJESH is it needed ? limDeletePreAuthList(pMac); //Initialize number of associated stations during cleanup psessionEntry->gLimNumOfCurrentSTAs = 0; end: limSendSmeRsp(pMac, eWNI_SME_STOP_BSS_RSP, rc, psessionEntry->smeSessionId, psessionEntry->transactionId); peDeleteSession(pMac, psessionEntry); if(pDelBss != NULL) { vos_mem_free(pDelBss); limMsgQ->bodyptr = NULL; } } void limProcessMlmDelStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { //we need to process the deferred message since the initiating req. there might be nested request. //in the case of nested request the new request initiated from the response will take care of resetting //the deffered flag. tpPESession psessionEntry; tpDeleteStaParams pDeleteStaParams; pDeleteStaParams = (tpDeleteStaParams)limMsgQ->bodyptr; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); if(NULL == pDeleteStaParams || NULL == (psessionEntry = peFindSessionBySessionId(pMac, pDeleteStaParams->sessionId))) { limLog(pMac, LOGP,FL("Session Does not exist or invalid body pointer in message")); if(pDeleteStaParams != NULL) { vos_mem_free(pDeleteStaParams); limMsgQ->bodyptr = NULL; } return; } if ((psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE) || (psessionEntry->limSystemRole == eLIM_AP_ROLE) ) { limProcessBtAmpApMlmDelStaRsp(pMac,limMsgQ,psessionEntry); return; } limProcessStaMlmDelStaRsp(pMac, limMsgQ,psessionEntry); } void limProcessBtAmpApMlmDelStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tpDeleteStaParams pDelStaParams = (tpDeleteStaParams) limMsgQ->bodyptr; tpDphHashNode pStaDs; tSirResultCodes statusCode = eSIR_SME_SUCCESS; if(limMsgQ->bodyptr == NULL) { limLog( pMac, LOGE, FL( "limMsgQ->bodyptry NULL")); return; } pStaDs = dphGetHashEntry(pMac, pDelStaParams->assocId, &psessionEntry->dph.dphHashTable); if(pStaDs == NULL) { limLog( pMac, LOGE, FL( "DPH Entry for STA %d missing."), pDelStaParams->assocId); statusCode = eSIR_SME_REFUSED; vos_mem_free(pDelStaParams); limMsgQ->bodyptr = NULL; return; } limLog( pMac, LOG1, FL( "Received del Sta Rsp in StaD MlmState : %d"), pStaDs->mlmStaContext.mlmState); if( eHAL_STATUS_SUCCESS == pDelStaParams->status ) { limLog( pMac, LOGW, FL( "AP received the DEL_STA_RSP for assocID: %d."), pDelStaParams->assocId); if(( eLIM_MLM_WT_DEL_STA_RSP_STATE != pStaDs->mlmStaContext.mlmState) && ( eLIM_MLM_WT_ASSOC_DEL_STA_RSP_STATE != pStaDs->mlmStaContext.mlmState)) { limLog( pMac, LOGE, FL( "Received unexpected WDA_DEL_STA_RSP in state %s for staId %d assocId %d " ), limMlmStateStr(pStaDs->mlmStaContext.mlmState), pStaDs->staIndex, pStaDs->assocId); statusCode = eSIR_SME_REFUSED; goto end; } limLog( pMac, LOG1, FL("Deleted STA AssocID %d staId %d MAC "), pStaDs->assocId, pStaDs->staIndex); limPrintMacAddr(pMac, pStaDs->staAddr, LOG1); if(eLIM_MLM_WT_ASSOC_DEL_STA_RSP_STATE == pStaDs->mlmStaContext.mlmState) { vos_mem_free(pDelStaParams); limMsgQ->bodyptr = NULL; if (limAddSta(pMac, pStaDs, false, psessionEntry) != eSIR_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("could not Add STA with assocId=%d"), pStaDs->assocId);) // delete the TS if it has already been added. // send the response with error status. if(pStaDs->qos.addtsPresent) { tpLimTspecInfo pTspecInfo; if(eSIR_SUCCESS == limTspecFindByAssocId(pMac, pStaDs->assocId, &pStaDs->qos.addts.tspec, &pMac->lim.tspecInfo[0], &pTspecInfo)) { limAdmitControlDeleteTS(pMac, pStaDs->assocId, &pStaDs->qos.addts.tspec.tsinfo, NULL, &pTspecInfo->idx); } } limRejectAssociation(pMac, pStaDs->staAddr, pStaDs->mlmStaContext.subType, true, pStaDs->mlmStaContext.authType, pStaDs->assocId, true, (tSirResultCodes) eSIR_MAC_UNSPEC_FAILURE_STATUS, psessionEntry); } return; } } else { limLog( pMac, LOGW, FL( "DEL STA failed!" )); statusCode = eSIR_SME_REFUSED; } end: vos_mem_free(pDelStaParams); limMsgQ->bodyptr = NULL; if(eLIM_MLM_WT_ASSOC_DEL_STA_RSP_STATE != pStaDs->mlmStaContext.mlmState) { limPrepareAndSendDelStaCnf(pMac, pStaDs, statusCode,psessionEntry); } return; } void limProcessStaMlmDelStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tSirResultCodes statusCode = eSIR_SME_SUCCESS; tpDeleteStaParams pDelStaParams = (tpDeleteStaParams) limMsgQ->bodyptr; tpDphHashNode pStaDs = NULL; #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { lim_process_sta_mlm_del_sta_rsp_mbb(pMac, limMsgQ, psessionEntry); return; } #endif if(NULL == pDelStaParams ) { limLog( pMac, LOGE, FL( "Encountered NULL Pointer" )); goto end; } limLog(pMac, LOG1, FL("Del STA RSP received. Status:%d AssocID:%d"), pDelStaParams->status, pDelStaParams->assocId); if (eHAL_STATUS_SUCCESS != pDelStaParams->status) { limLog(pMac, LOGE, FL("Del STA failed! Status:%d, still proceeding" "with Del BSS"), pDelStaParams->status); } pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if (pStaDs == NULL) { //TODO: any response to be sent out here ? limLog( pMac, LOGE, FL( "DPH Entry for STA %X missing."), pDelStaParams->assocId); statusCode = eSIR_SME_REFUSED; goto end; } if (eLIM_MLM_WT_DEL_STA_RSP_STATE != psessionEntry->limMlmState) { //TODO: any response to be sent out here ? limLog( pMac, LOGE, FL( "Received unexpected WDA_DELETE_STA_RSP in state %s" ), limMlmStateStr(psessionEntry->limMlmState)); statusCode = eSIR_SME_REFUSED; goto end; } limLog( pMac, LOG1, FL("STA AssocID %d MAC "), pStaDs->assocId ); limPrintMacAddr(pMac, pStaDs->staAddr, LOG1); //we must complete all cleanup related to delSta before calling limDelBSS. if (0 != limMsgQ->bodyptr ) { vos_mem_free(pDelStaParams); limMsgQ->bodyptr = NULL; } // Proceed to do DelBSS even if DelSta resulted in failure statusCode = (tSirResultCodes) limDelBss(pMac, pStaDs, 0,psessionEntry); return; end: if( 0 != limMsgQ->bodyptr ) { vos_mem_free(pDelStaParams); limMsgQ->bodyptr = NULL; } return; } void limProcessBtAmpApMlmAddStaRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tpAddStaParams pAddStaParams = (tpAddStaParams) limMsgQ->bodyptr; tpDphHashNode pStaDs = NULL; if (NULL == pAddStaParams) { limLog( pMac, LOGE, FL( "Invalid body pointer in message")); goto end; } pStaDs = dphGetHashEntry(pMac, pAddStaParams->assocId, &psessionEntry->dph.dphHashTable); if(pStaDs == NULL) { //TODO: any response to be sent out here ? limLog( pMac, LOGE, FL( "DPH Entry for STA %X missing."), pAddStaParams->assocId); goto end; } // // TODO & FIXME_GEN4 // Need to inspect tSirMsgQ.reserved for a valid Dialog token! // //TODO: any check for pMac->lim.gLimMlmState ? if( eLIM_MLM_WT_ADD_STA_RSP_STATE != pStaDs->mlmStaContext.mlmState) { //TODO: any response to be sent out here ? limLog( pMac, LOGE, FL( "Received unexpected WDA_ADD_STA_RSP in state %d" ), pStaDs->mlmStaContext.mlmState); goto end; } if(eHAL_STATUS_SUCCESS != pAddStaParams->status) { PELOGE(limLog(pMac, LOGE, FL("Error! rcvd delSta rsp from HAL with status %d"),pAddStaParams->status);) limRejectAssociation(pMac, pStaDs->staAddr, pStaDs->mlmStaContext.subType, true, pStaDs->mlmStaContext.authType, pStaDs->assocId, true, (tSirResultCodes) eSIR_MAC_UNSPEC_FAILURE_STATUS, psessionEntry); goto end; } pStaDs->bssId = pAddStaParams->bssIdx; pStaDs->staIndex = pAddStaParams->staIdx; //if the AssocRsp frame is not acknowledged, then keep alive timer will take care of the state pStaDs->valid = 1; pStaDs->mlmStaContext.mlmState = eLIM_MLM_WT_ASSOC_CNF_STATE; limLog( pMac, LOG1, FL("AddStaRsp Success.STA AssocID %d staId %d MAC "), pStaDs->assocId, pStaDs->staIndex); limPrintMacAddr(pMac, pStaDs->staAddr, LOG1); /* For BTAMP-AP, the flow sequence shall be: * 1) PE sends eWNI_SME_ASSOC_IND to SME * 2) PE receives eWNI_SME_ASSOC_CNF from SME * 3) BTAMP-AP sends Re/Association Response to BTAMP-STA */ if (eSIR_SUCCESS != limSendMlmAssocInd(pMac, pStaDs, psessionEntry)) limRejectAssociation(pMac, pStaDs->staAddr, pStaDs->mlmStaContext.subType, true, pStaDs->mlmStaContext.authType, pStaDs->assocId, true, (tSirResultCodes) eSIR_MAC_UNSPEC_FAILURE_STATUS, psessionEntry); // fall though to reclaim the original Add STA Response message end: if( 0 != limMsgQ->bodyptr ) { vos_mem_free(pAddStaParams); limMsgQ->bodyptr = NULL; } return; } /** * limProcessApMlmAddBssRsp() * *FUNCTION: * This function is called to process a WDA_ADD_BSS_RSP from HAL. * Upon receipt of this message from HAL, MLME - * > Validates the result of WDA_ADD_BSS_REQ * > Init other remaining LIM variables * > Init the AID pool, for that BSSID * > Init the Pre-AUTH list, for that BSSID * > Create LIM timers, specific to that BSSID * > Init DPH related parameters that are specific to that BSSID * > TODO - When do we do the actual change channel? * *LOGIC: * SME sends eWNI_SME_START_BSS_REQ to LIM * LIM sends LIM_MLM_START_REQ to MLME * MLME sends WDA_ADD_BSS_REQ to HAL * HAL responds with WDA_ADD_BSS_RSP to MLME * MLME responds with LIM_MLM_START_CNF to LIM * LIM responds with eWNI_SME_START_BSS_RSP to SME * *ASSUMPTIONS: * tSirMsgQ.body is allocated by MLME during limProcessMlmStartReq * tSirMsgQ.body will now be freed by this routine * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ static void limProcessApMlmAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ) { tLimMlmStartCnf mlmStartCnf; tANI_U32 val; tpPESession psessionEntry; // tANI_U8 sessionId; tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; if(NULL == pAddBssParams ) { limLog( pMac, LOGE, FL( "Encountered NULL Pointer" )); goto end; } //TBD: free the memory before returning, do it for all places where lookup fails. if((psessionEntry = peFindSessionBySessionId(pMac,pAddBssParams->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given sessionId"));) if( NULL != pAddBssParams ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } return; } /* Update PE session Id*/ mlmStartCnf.sessionId = pAddBssParams->sessionId; if( eHAL_STATUS_SUCCESS == pAddBssParams->status ) { limLog(pMac, LOG1, FL("WDA_ADD_BSS_RSP returned with eHAL_STATUS_SUCCESS")); if (limSetLinkState(pMac, eSIR_LINK_AP_STATE,psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS ) goto end; // Set MLME state psessionEntry->limMlmState = eLIM_MLM_BSS_STARTED_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); if( eSIR_IBSS_MODE == pAddBssParams->bssType ) { /** IBSS is 'active' when we receive * Beacon frames from other STAs that are part of same IBSS. * Mark internal state as inactive until then. */ psessionEntry->limIbssActive = false; psessionEntry->statypeForBss = STA_ENTRY_PEER; //to know session created for self/peer limResetHBPktCount( psessionEntry ); limHeartBeatDeactivateAndChangeTimer(pMac, psessionEntry); MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_HEART_BEAT_TIMER)); if (limActivateHearBeatTimer(pMac, psessionEntry) != TX_SUCCESS) limLog(pMac, LOGP, FL("could not activate Heartbeat timer")); } psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; psessionEntry->limSystemRole = eLIM_STA_IN_IBSS_ROLE; if ( eSIR_INFRA_AP_MODE == pAddBssParams->bssType ) psessionEntry->limSystemRole = eLIM_AP_ROLE; else psessionEntry->limSystemRole = eLIM_STA_IN_IBSS_ROLE; schEdcaProfileUpdate(pMac, psessionEntry); limInitPreAuthList(pMac); limInitPeerIdxpool(pMac,psessionEntry); // Create timers used by LIM if (!pMac->lim.gLimTimersCreated) limCreateTimers(pMac); // Start OLBC timer if (tx_timer_activate(&pMac->lim.limTimers.gLimUpdateOlbcCacheTimer) != TX_SUCCESS) { limLog(pMac, LOGE, FL("tx_timer_activate failed")); } /* Update the lim global gLimTriggerBackgroundScanDuringQuietBss */ if( eSIR_SUCCESS != wlan_cfgGetInt( pMac, WNI_CFG_TRIG_STA_BK_SCAN, &val )) limLog( pMac, LOGP, FL("Failed to get WNI_CFG_TRIG_STA_BK_SCAN!")); pMac->lim.gLimTriggerBackgroundScanDuringQuietBss = (val) ? 1 : 0; // Apply previously set configuration at HW limApplyConfiguration(pMac,psessionEntry); psessionEntry->staId = pAddBssParams->staContext.staIdx; mlmStartCnf.resultCode = eSIR_SME_SUCCESS; } else { limLog( pMac, LOGE, FL( "WDA_ADD_BSS_REQ failed with status %d" ),pAddBssParams->status ); mlmStartCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; } limPostSmeMessage( pMac, LIM_MLM_START_CNF, (tANI_U32 *) &mlmStartCnf ); end: if( 0 != limMsgQ->bodyptr ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } } /** * limProcessIbssMlmAddBssRsp() * *FUNCTION: * This function is called to process a WDA_ADD_BSS_RSP from HAL. * Upon receipt of this message from HAL, MLME - * > Validates the result of WDA_ADD_BSS_REQ * > Init other remaining LIM variables * > Init the AID pool, for that BSSID * > Init the Pre-AUTH list, for that BSSID * > Create LIM timers, specific to that BSSID * > Init DPH related parameters that are specific to that BSSID * > TODO - When do we do the actual change channel? * *LOGIC: * SME sends eWNI_SME_START_BSS_REQ to LIM * LIM sends LIM_MLM_START_REQ to MLME * MLME sends WDA_ADD_BSS_REQ to HAL * HAL responds with WDA_ADD_BSS_RSP to MLME * MLME responds with LIM_MLM_START_CNF to LIM * LIM responds with eWNI_SME_START_BSS_RSP to SME * *ASSUMPTIONS: * tSirMsgQ.body is allocated by MLME during limProcessMlmStartReq * tSirMsgQ.body will now be freed by this routine * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ static void limProcessIbssMlmAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ,tpPESession psessionEntry) { tLimMlmStartCnf mlmStartCnf; tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; tANI_U32 val; if (NULL == pAddBssParams) { limLog( pMac, LOGE, FL( "Invalid body pointer in message")); goto end; } if( eHAL_STATUS_SUCCESS == pAddBssParams->status ) { limLog(pMac, LOG1, FL("WDA_ADD_BSS_RSP returned with eHAL_STATUS_SUCCESS")); if (limSetLinkState(pMac, eSIR_LINK_IBSS_STATE,psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS ) goto end; // Set MLME state psessionEntry->limMlmState = eLIM_MLM_BSS_STARTED_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); /** IBSS is 'active' when we receive * Beacon frames from other STAs that are part of same IBSS. * Mark internal state as inactive until then. */ psessionEntry->limIbssActive = false; limResetHBPktCount( psessionEntry ); /* Timer related functions are not modified for BT-AMP : To be Done */ limHeartBeatDeactivateAndChangeTimer(pMac, psessionEntry); MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_HEART_BEAT_TIMER)); if (limActivateHearBeatTimer(pMac, psessionEntry) != TX_SUCCESS) limLog(pMac, LOGP, FL("could not activate Heartbeat timer")); psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; psessionEntry->limSystemRole = eLIM_STA_IN_IBSS_ROLE; psessionEntry->statypeForBss = STA_ENTRY_SELF; schEdcaProfileUpdate(pMac, psessionEntry); //TBD-RAJESH limInitPreauthList should re removed for IBSS also ????? //limInitPreAuthList(pMac); if (0 == psessionEntry->freePeerIdxHead) limInitPeerIdxpool(pMac,psessionEntry); // Create timers used by LIM #ifdef FIXME_GEN6 //following code may not be required, as limCreateTimers is now invoked from limInitialize (peStart) if (!pMac->lim.gLimTimersCreated) limCreateTimers(pMac); #endif /* Update the lim global gLimTriggerBackgroundScanDuringQuietBss */ if( eSIR_SUCCESS != wlan_cfgGetInt( pMac, WNI_CFG_TRIG_STA_BK_SCAN, &val )) limLog( pMac, LOGP, FL("Failed to get WNI_CFG_TRIG_STA_BK_SCAN!")); pMac->lim.gLimTriggerBackgroundScanDuringQuietBss = (val) ? 1 : 0; // Apply previously set configuration at HW limApplyConfiguration(pMac,psessionEntry); psessionEntry->staId = pAddBssParams->staContext.staIdx; mlmStartCnf.resultCode = eSIR_SME_SUCCESS; //If ADD BSS was issued as part of IBSS coalescing, don't send the message to SME, as that is internal to LIM if(true == pMac->lim.gLimIbssCoalescingHappened) { limIbssAddBssRspWhenCoalescing(pMac, limMsgQ->bodyptr, psessionEntry); goto end; } } else { limLog( pMac, LOGE, FL( "WDA_ADD_BSS_REQ failed with status %d" ), pAddBssParams->status ); mlmStartCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; } //Send this message to SME, when ADD_BSS is initiated by SME //If ADD_BSS is done as part of coalescing, this won't happen. /* Update PE session Id*/ mlmStartCnf.sessionId =psessionEntry->peSessionId; limPostSmeMessage( pMac, LIM_MLM_START_CNF, (tANI_U32 *) &mlmStartCnf ); end: if( 0 != limMsgQ->bodyptr ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } } static void limProcessStaMlmAddBssRspPreAssoc( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ, tpPESession psessionEntry ) { tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; tAniAuthType cfgAuthType, authMode; tLimMlmAuthReq *pMlmAuthReq; tpDphHashNode pStaDs = NULL; if (NULL == pAddBssParams) { limLog( pMac, LOGE, FL( "Invalid body pointer in message")); goto joinFailure; } if( eHAL_STATUS_SUCCESS == pAddBssParams->status ) { if ((pStaDs = dphAddHashEntry(pMac, pAddBssParams->staContext.staMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable)) == NULL) { // Could not add hash table entry PELOGE(limLog(pMac, LOGE, FL("could not add hash entry at DPH for "));) limPrintMacAddr(pMac, pAddBssParams->staContext.staMac, LOGE); goto joinFailure; } psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; //Success, handle below pStaDs->bssId = pAddBssParams->bssIdx; //STA Index(genr by HAL) for the BSS entry is stored here pStaDs->staIndex = pAddBssParams->staContext.staIdx; // Trigger Authentication with AP if (wlan_cfgGetInt(pMac, WNI_CFG_AUTHENTICATION_TYPE, (tANI_U32 *) &cfgAuthType) != eSIR_SUCCESS) { /** * Could not get AuthType from CFG. * Log error. */ limLog(pMac, LOGP, FL("could not retrieve AuthType")); } if (cfgAuthType == eSIR_AUTO_SWITCH) authMode = eSIR_SHARED_KEY; // Try Shared Authentication first else authMode = cfgAuthType; // Trigger MAC based Authentication pMlmAuthReq = vos_mem_malloc(sizeof(tLimMlmAuthReq)); if ( NULL == pMlmAuthReq ) { // Log error limLog(pMac, LOGP, FL("call to AllocateMemory failed for mlmAuthReq")); return; } #if 0 val = sizeof(tSirMacAddr); if (wlan_cfgGetStr(pMac, WNI_CFG_BSSID, pMlmAuthReq->peerMacAddr, &val) != eSIR_SUCCESS) { /// Could not get BSSID from CFG. Log error. limLog(pMac, LOGP, FL("could not retrieve BSSID")); } #endif //TO SUPPORT BT-AMP sirCopyMacAddr(pMlmAuthReq->peerMacAddr,psessionEntry->bssId); pMlmAuthReq->authType = authMode; if (wlan_cfgGetInt(pMac, WNI_CFG_AUTHENTICATE_FAILURE_TIMEOUT, (tANI_U32 *) &pMlmAuthReq->authFailureTimeout) != eSIR_SUCCESS) { /** * Could not get AuthFailureTimeout * value from CFG. Log error. */ limLog(pMac, LOGP, FL("could not retrieve AuthFailureTimeout value")); } // SUNIT_FIX_ME: Set BOTH? Assume not. Please verify here and below. //pMac->lim.gLimMlmState = eLIM_MLM_JOINED_STATE; psessionEntry->limMlmState = eLIM_MLM_JOINED_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, eLIM_MLM_JOINED_STATE)); pMlmAuthReq->sessionId = psessionEntry->peSessionId; psessionEntry->limPrevSmeState = psessionEntry->limSmeState; psessionEntry->limSmeState = eLIM_SME_WT_AUTH_STATE; // remember staId in case of assoc timeout/failure handling psessionEntry->staId = pAddBssParams->staContext.staIdx; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); limLog(pMac,LOG1,"SessionId:%d limPostMlmMessage LIM_MLM_AUTH_REQ" "with limSmeState:%d",psessionEntry->peSessionId, psessionEntry->limSmeState); limPostMlmMessage(pMac, LIM_MLM_AUTH_REQ, (tANI_U32 *) pMlmAuthReq); return; } joinFailure: { psessionEntry->limSmeState = eLIM_SME_JOIN_FAILURE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_SME_STATE, psessionEntry->peSessionId, psessionEntry->limSmeState)); /// Send Join response to Host limHandleSmeJoinResult(pMac, eSIR_SME_REFUSED, eSIR_MAC_UNSPEC_FAILURE_STATUS, psessionEntry); } } #ifdef WLAN_FEATURE_VOWIFI_11R /*------------------------------------------------------------------------------------------ * * Function to handle WDA_ADD_BSS_RSP, in FT reassoc state. * Function to Send ReAssociation Request. * * *------------------------------------------------------------------------------------------ */ static inline void limProcessStaMlmAddBssRspFT(tpAniSirGlobal pMac, tpSirMsgQ limMsgQ, tpPESession psessionEntry) { tLimMlmReassocCnf mlmReassocCnf; // keep sme tpDphHashNode pStaDs = NULL; tpAddStaParams pAddStaParams = NULL; tANI_U32 listenInterval = WNI_CFG_LISTEN_INTERVAL_STADEF; tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; tANI_U32 selfStaDot11Mode = 0; #ifdef FEATURE_WLAN_ESE tLimMlmReassocReq *pMlmReassocReq; tANI_U32 val = 0; #endif /* Sanity Checks */ if (pAddBssParams == NULL) { PELOGE(limLog(pMac, LOGE, FL("Invalid parameters"));) goto end; } if((psessionEntry = peFindSessionBySessionId(pMac,pAddBssParams->sessionId))== NULL) { limLog( pMac, LOGE, FL( "Session Does not exist for given sessionId" )); goto end; } if ( eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE != psessionEntry->limMlmState ) { goto end; } if ((pStaDs = dphAddHashEntry(pMac, pAddBssParams->bssId, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable)) == NULL) { // Could not add hash table entry PELOGE(limLog(pMac, LOGE, FL("could not add hash entry at DPH for "));) limPrintMacAddr(pMac, pAddBssParams->staContext.staMac, LOGE); goto end; } if (pMac->roam.configParam.roamDelayStatsEnabled) { vos_record_roam_event(e_LIM_ADD_BS_RSP, NULL, 0); } // Prepare and send Reassociation request frame // start reassoc timer. #ifdef FEATURE_WLAN_ESE /* * In case of Ese Reassociation, change the reassoc timer * value. */ pMlmReassocReq = (tLimMlmReassocReq *)(psessionEntry->pLimMlmReassocReq); if (pMlmReassocReq == NULL) { limLog(pMac, LOGE, FL("Invalid pMlmReassocReq")); goto end; } val = pMlmReassocReq->reassocFailureTimeout; if (psessionEntry->isESEconnection) { val = val/LIM_MAX_REASSOC_RETRY_LIMIT; } if (tx_timer_deactivate(&pMac->lim.limTimers.gLimReassocFailureTimer) != TX_SUCCESS) { limLog(pMac, LOGP, FL("unable to deactivate Reassoc failure timer")); } val = SYS_MS_TO_TICKS(val); if (tx_timer_change(&pMac->lim.limTimers.gLimReassocFailureTimer, val, 0) != TX_SUCCESS) { limLog(pMac, LOGP, FL("unable to change Reassociation failure timer")); } #endif pMac->lim.limTimers.gLimReassocFailureTimer.sessionId = psessionEntry->peSessionId; /// Start reassociation failure timer MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_REASSOC_FAIL_TIMER)); if (tx_timer_activate(&pMac->lim.limTimers.gLimReassocFailureTimer) != TX_SUCCESS) { /// Could not start reassoc failure timer. // Log error limLog(pMac, LOGP, FL("could not start Reassociation failure timer")); // Return Reassoc confirm with // Resources Unavailable mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; goto end; } // remember staId psessionEntry->staId = pAddBssParams->staContext.staIdx; #if defined (WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_ESE) || defined(FEATURE_WLAN_LFR) pMac->lim.pSessionEntry = psessionEntry; if(NULL == pMac->lim.pSessionEntry->pLimMlmReassocRetryReq) { /* Take a copy of reassoc request for retrying */ pMac->lim.pSessionEntry->pLimMlmReassocRetryReq = vos_mem_malloc(sizeof(tLimMlmReassocReq)); if ( NULL == pMac->lim.pSessionEntry->pLimMlmReassocRetryReq ) goto end; vos_mem_set(pMac->lim.pSessionEntry->pLimMlmReassocRetryReq, sizeof(tLimMlmReassocReq), 0); vos_mem_copy(pMac->lim.pSessionEntry->pLimMlmReassocRetryReq, psessionEntry->pLimMlmReassocReq, sizeof(tLimMlmReassocReq)); } pMac->lim.reAssocRetryAttempt = 0; #endif limSendReassocReqWithFTIEsMgmtFrame(pMac, psessionEntry->pLimMlmReassocReq, psessionEntry); if (pMac->roam.configParam.roamDelayStatsEnabled) { vos_record_roam_event(e_LIM_SEND_REASSOC_REQ, NULL, 0); } psessionEntry->limPrevMlmState = psessionEntry->limMlmState; psessionEntry->limMlmState = eLIM_MLM_WT_FT_REASSOC_RSP_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, eLIM_MLM_WT_FT_REASSOC_RSP_STATE)); PELOGE(limLog(pMac, LOG1, FL("Set the mlm state to %d session=%d"), psessionEntry->limMlmState, psessionEntry->peSessionId);) psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; //Success, handle below pStaDs->bssId = pAddBssParams->bssIdx; //STA Index(genr by HAL) for the BSS entry is stored here pStaDs->staIndex = pAddBssParams->staContext.staIdx; pStaDs->ucUcastSig = pAddBssParams->staContext.ucUcastSig; pStaDs->ucBcastSig = pAddBssParams->staContext.ucBcastSig; #if defined WLAN_FEATURE_VOWIFI rrmCacheMgmtTxPower( pMac, pAddBssParams->txMgmtPower, psessionEntry ); #endif pAddStaParams = vos_mem_malloc(sizeof( tAddStaParams )); if ( NULL == pAddStaParams ) { limLog( pMac, LOGP, FL( "Unable to allocate memory during ADD_STA" )); goto end; } vos_mem_set((tANI_U8 *) pAddStaParams, sizeof(tAddStaParams), 0); /// Add STA context at MAC HW (BMU, RHP & TFP) vos_mem_copy((tANI_U8 *) pAddStaParams->staMac, (tANI_U8 *) psessionEntry->selfMacAddr, sizeof(tSirMacAddr)); vos_mem_copy((tANI_U8 *) pAddStaParams->bssId, psessionEntry->bssId, sizeof(tSirMacAddr)); // Update this when we get reassoc rsp , with success. // pAddStaParams->assocId = psessionEntry->limAID; pAddStaParams->staType = STA_ENTRY_SELF; pAddStaParams->status = eHAL_STATUS_SUCCESS; pAddStaParams->respReqd = 1; /* Update PE session ID */ pAddStaParams->sessionId = psessionEntry->peSessionId; // This will indicate HAL to "allocate" a new STA index pAddStaParams->staIdx = HAL_STA_INVALID_IDX; pAddStaParams->updateSta = FALSE; pAddStaParams->shortPreambleSupported = (tANI_U8)psessionEntry->beaconParams.fShortPreamble; #ifdef WLAN_FEATURE_11AC limPopulatePeerRateSet(pMac, &pAddStaParams->supportedRates, NULL, false,psessionEntry, NULL); #else limPopulatePeerRateSet(pMac, &pAddStaParams->supportedRates, NULL, false,psessionEntry); #endif if( psessionEntry->htCapability) { pAddStaParams->htCapable = psessionEntry->htCapability; #ifdef WLAN_FEATURE_11AC pAddStaParams->vhtCapable = psessionEntry->vhtCapability; pAddStaParams->vhtTxChannelWidthSet = psessionEntry->vhtTxChannelWidthSet; #endif #ifdef DISABLE_GF_FOR_INTEROP /* * To resolve the interop problem with Broadcom AP, * where TQ STA could not pass traffic with GF enabled, * TQ STA will do Greenfield only with TQ AP, for * everybody else it will be turned off. */ if( (psessionEntry->pLimJoinReq != NULL) && (!psessionEntry->pLimJoinReq->bssDescription.aniIndicator)) { limLog( pMac, LOGE, FL(" Turning off Greenfield, when adding self entry")); pAddStaParams->greenFieldCapable = WNI_CFG_GREENFIELD_CAPABILITY_DISABLE; } else #endif pAddStaParams->greenFieldCapable = limGetHTCapability( pMac, eHT_GREENFIELD, psessionEntry); if (psessionEntry->limRFBand == SIR_BAND_2_4_GHZ) { pAddStaParams->txChannelWidthSet = pMac->roam.configParam.channelBondingMode24GHz; } else { pAddStaParams->txChannelWidthSet = pMac->roam.configParam.channelBondingMode5GHz; } pAddStaParams->mimoPS = limGetHTCapability( pMac, eHT_MIMO_POWER_SAVE, psessionEntry ); pAddStaParams->rifsMode = limGetHTCapability( pMac, eHT_RIFS_MODE, psessionEntry ); pAddStaParams->lsigTxopProtection = limGetHTCapability( pMac, eHT_LSIG_TXOP_PROTECTION, psessionEntry ); pAddStaParams->delBASupport = limGetHTCapability( pMac, eHT_DELAYED_BA, psessionEntry ); pAddStaParams->maxAmpduDensity = limGetHTCapability( pMac, eHT_MPDU_DENSITY, psessionEntry ); pAddStaParams->maxAmpduSize = limGetHTCapability(pMac, eHT_MAX_RX_AMPDU_FACTOR, psessionEntry); pAddStaParams->maxAmsduSize = limGetHTCapability( pMac, eHT_MAX_AMSDU_LENGTH, psessionEntry ); pAddStaParams->fDsssCckMode40Mhz = limGetHTCapability( pMac, eHT_DSSS_CCK_MODE_40MHZ, psessionEntry); pAddStaParams->fShortGI20Mhz = limGetHTCapability( pMac, eHT_SHORT_GI_20MHZ, psessionEntry); pAddStaParams->fShortGI40Mhz = limGetHTCapability( pMac, eHT_SHORT_GI_40MHZ, psessionEntry); } if (wlan_cfgGetInt(pMac, WNI_CFG_LISTEN_INTERVAL, &listenInterval) != eSIR_SUCCESS) limLog(pMac, LOGP, FL("Couldn't get LISTEN_INTERVAL")); pAddStaParams->listenInterval = (tANI_U16)listenInterval; wlan_cfgGetInt(pMac, WNI_CFG_DOT11_MODE, &selfStaDot11Mode); pAddStaParams->supportedRates.opRateMode = limGetStaRateMode((tANI_U8)selfStaDot11Mode); // Lets save this for when we receive the Reassoc Rsp pMac->ft.ftPEContext.pAddStaReq = pAddStaParams; if (pAddBssParams != NULL) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); pAddBssParams = NULL; limMsgQ->bodyptr = NULL; } return; end: // Free up buffer allocated for reassocReq if (psessionEntry != NULL) if (psessionEntry->pLimMlmReassocReq != NULL) { vos_mem_free(psessionEntry->pLimMlmReassocReq); psessionEntry->pLimMlmReassocReq = NULL; } if (pAddBssParams != NULL) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); pAddBssParams = NULL; limMsgQ->bodyptr = NULL; } mlmReassocCnf.resultCode = eSIR_SME_FT_REASSOC_FAILURE; mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; /* Update PE session Id*/ if (psessionEntry != NULL) mlmReassocCnf.sessionId = psessionEntry->peSessionId; else mlmReassocCnf.sessionId = 0; limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } #endif /* WLAN_FEATURE_VOWIFI_11R */ /** * limProcessStaMlmAddBssRsp() * *FUNCTION: * This function is called to process a WDA_ADD_BSS_RSP from HAL. * Upon receipt of this message from HAL, MLME - * > Validates the result of WDA_ADD_BSS_REQ * > Now, send an ADD_STA to HAL and ADD the "local" STA itself * *LOGIC: * MLME had sent WDA_ADD_BSS_REQ to HAL * HAL responded with WDA_ADD_BSS_RSP to MLME * MLME now sends WDA_ADD_STA_REQ to HAL * *ASSUMPTIONS: * tSirMsgQ.body is allocated by MLME during limProcessMlmJoinReq * tSirMsgQ.body will now be freed by this routine * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ static void limProcessStaMlmAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ,tpPESession psessionEntry) { tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; tLimMlmAssocCnf mlmAssocCnf; tANI_U32 mesgType = LIM_MLM_ASSOC_CNF; tANI_U32 subType = LIM_ASSOC; tpDphHashNode pStaDs = NULL; tANI_U16 staIdx = HAL_STA_INVALID_IDX; tANI_U8 updateSta = false; mlmAssocCnf.resultCode = eSIR_SME_SUCCESS; if(eLIM_MLM_WT_ADD_BSS_RSP_PREASSOC_STATE == psessionEntry->limMlmState) { //Done: 7-28-2009. JIM_FIX_ME: sessionize the following function limLog(pMac,LOG1,"SessionId:%d limProcessStaMlmAddBssRspPreAssoc", psessionEntry->peSessionId); limProcessStaMlmAddBssRspPreAssoc(pMac, limMsgQ, psessionEntry); goto end; } if(( eLIM_MLM_WT_ADD_BSS_RSP_REASSOC_STATE == psessionEntry->limMlmState ) || ( eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE == psessionEntry->limMlmState )) { mesgType = LIM_MLM_REASSOC_CNF; subType = LIM_REASSOC; //If Reassoc is happening for the same BSS, then use the existing StaId and indicate to HAL //to update the existing STA entry. //If Reassoc is happening for the new BSS, then old BSS and STA entry would have been already deleted //before PE tries to add BSS for the new BSS, so set the updateSta to false and pass INVALID STA Index. if (sirCompareMacAddr( psessionEntry->bssId, psessionEntry->limReAssocbssId)) { staIdx = psessionEntry->staId; updateSta = true; } } if(pAddBssParams == 0) goto end; if( eHAL_STATUS_SUCCESS == pAddBssParams->status ) { #if defined(WLAN_FEATURE_VOWIFI_11R) || defined(FEATURE_WLAN_ESE) || defined(FEATURE_WLAN_LFR) if( eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE == psessionEntry->limMlmState ) { #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG PELOGE(limLog(pMac, LOG1, FL("Mlm=%d %d"), psessionEntry->limMlmState, eLIM_MLM_WT_ADD_BSS_RSP_REASSOC_STATE);) #endif limProcessStaMlmAddBssRspFT( pMac, limMsgQ, psessionEntry); goto end; } #endif /* WLAN_FEATURE_VOWIFI_11R */ // Set MLME state psessionEntry->limMlmState = eLIM_MLM_WT_ADD_STA_RSP_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); psessionEntry->statypeForBss = STA_ENTRY_PEER; //to know the session started for self or for peer oct6th // Now, send WDA_ADD_STA_REQ limLog( pMac, LOGW, FL( "SessionId:%d On STA: ADD_BSS was successful" ), psessionEntry->peSessionId); pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if (pStaDs == NULL) { PELOGE(limLog(pMac, LOGE, FL("SessionId:%d could not Add Self" "Entry for the station"),psessionEntry->peSessionId);) mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_REFUSED; } else { psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; //Success, handle below pStaDs->bssId = pAddBssParams->bssIdx; //STA Index(genr by HAL) for the BSS entry is stored here pStaDs->staIndex = pAddBssParams->staContext.staIdx; pStaDs->ucUcastSig = pAddBssParams->staContext.ucUcastSig; pStaDs->ucBcastSig = pAddBssParams->staContext.ucBcastSig; // Downgrade the EDCA parameters if needed limSetActiveEdcaParams(pMac, psessionEntry->gLimEdcaParams, psessionEntry); // Send the active EDCA parameters to HAL if (pStaDs->aniPeer == eANI_BOOLEAN_TRUE) { limSendEdcaParams(pMac, psessionEntry->gLimEdcaParamsActive, pStaDs->bssId, eANI_BOOLEAN_TRUE); } else { limSendEdcaParams(pMac, psessionEntry->gLimEdcaParamsActive, pStaDs->bssId, eANI_BOOLEAN_FALSE); } #if defined WLAN_FEATURE_VOWIFI rrmCacheMgmtTxPower( pMac, pAddBssParams->txMgmtPower, psessionEntry ); #endif if (subType == LIM_REASSOC) limDeactivateAndChangeTimer(pMac, eLIM_KEEPALIVE_TIMER); if (limAddStaSelf(pMac,staIdx, updateSta, psessionEntry) != eSIR_SUCCESS) { // Add STA context at HW PELOGE(limLog(pMac, LOGE, FL("SessionId:%d could not Add Self" "Entry for the station"),psessionEntry->peSessionId);) mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_REFUSED; } } } else { limLog( pMac, LOGP, FL( "SessionId:%d ADD_BSS failed! mlmState = %d" ), psessionEntry->peSessionId, psessionEntry->limMlmState); mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; // Return Assoc confirm to SME with failure if(eLIM_MLM_WT_ADD_BSS_RSP_FT_REASSOC_STATE == psessionEntry->limMlmState) mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_FT_REASSOC_FAILURE; else mlmAssocCnf.resultCode = (tSirResultCodes) eSIR_SME_REFUSED; psessionEntry->addBssfailed = true; } if(mlmAssocCnf.resultCode != eSIR_SME_SUCCESS) { psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; //Set the RXP mode to IDLE, so it starts filtering the frames. if(limSetLinkState(pMac, eSIR_LINK_IDLE_STATE,psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS) PELOGE(limLog(pMac, LOGE, FL("Failed to set the LinkState\n"));) /* Update PE session Id*/ mlmAssocCnf.sessionId = psessionEntry->peSessionId; limPostSmeMessage( pMac, mesgType, (tANI_U32 *) &mlmAssocCnf ); } end: if( 0 != limMsgQ->bodyptr ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } } /** * limProcessMlmAddBssRsp() * *FUNCTION: * This function is called to process a WDA_ADD_BSS_RSP from HAL. * Upon receipt of this message from HAL, MLME - * > Determines the "state" in which this message was received * > Forwards it to the appropriate callback * *LOGIC: * WDA_ADD_BSS_RSP can be received by MLME while the LIM is * in the following two states: * 1) As AP, LIM state = eLIM_SME_WT_START_BSS_STATE * 2) As STA, LIM state = eLIM_SME_WT_JOIN_STATE * Based on these two states, this API will determine where to * route the message to * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ void limProcessMlmAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { tLimMlmStartCnf mlmStartCnf; tpPESession psessionEntry; tpAddBssParams pAddBssParams = (tpAddBssParams) (limMsgQ->bodyptr); if(NULL == pAddBssParams ) { limLog( pMac, LOGE, FL( "Encountered NULL Pointer" )); return; } // // TODO & FIXME_GEN4 // Need to inspect tSirMsgQ.reserved for a valid Dialog token! // //we need to process the deferred message since the initiating req. there might be nested request. //in the case of nested request the new request initiated from the response will take care of resetting //the deffered flag. SET_LIM_PROCESS_DEFD_MESGS(pMac, true); // Validate SME/LIM state // Validate MLME state if((psessionEntry = peFindSessionBySessionId(pMac,pAddBssParams->sessionId))== NULL) { limLog( pMac, LOGE, FL( "SessionId:%d Session Does not exist" ), pAddBssParams->sessionId); if( NULL != pAddBssParams ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } return; } /* update PE session Id*/ mlmStartCnf.sessionId = psessionEntry->peSessionId; if( eSIR_IBSS_MODE == psessionEntry->bssType ) limProcessIbssMlmAddBssRsp( pMac, limMsgQ, psessionEntry ); else { if( eLIM_SME_WT_START_BSS_STATE == psessionEntry->limSmeState ) { if( eLIM_MLM_WT_ADD_BSS_RSP_STATE != psessionEntry->limMlmState ) { // Mesg received from HAL in Invalid state! limLog( pMac, LOGE,FL( "SessionId:%d Received unexpected" "WDA_ADD_BSS_RSP in state %d" ), psessionEntry->peSessionId,psessionEntry->limMlmState); mlmStartCnf.resultCode = eSIR_SME_BSS_ALREADY_STARTED_OR_JOINED; if( 0 != limMsgQ->bodyptr ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } limPostSmeMessage( pMac, LIM_MLM_START_CNF, (tANI_U32 *) &mlmStartCnf ); } else if ((psessionEntry->bssType == eSIR_BTAMP_AP_MODE)||(psessionEntry->bssType == eSIR_BTAMP_STA_MODE)) { limProcessBtampAddBssRsp(pMac,limMsgQ,psessionEntry); } else limProcessApMlmAddBssRsp( pMac,limMsgQ); } else { #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { lim_process_sta_mlm_add_bss_rsp_mbb(pMac, limMsgQ, psessionEntry); return; } #endif /* Called while processing assoc response */ limProcessStaMlmAddBssRsp( pMac, limMsgQ,psessionEntry); } } if(limIsInMCC(pMac)) { WDA_TrafficStatsTimerActivate(TRUE); } #ifdef WLAN_FEATURE_11W if (psessionEntry->limRmfEnabled) { if ( eSIR_SUCCESS != limSendExcludeUnencryptInd(pMac, FALSE, psessionEntry) ) { limLog( pMac, LOGE, FL( "Could not send down Exclude Unencrypted Indication!" ) ); } } #endif } /** * limProcessMlmSetKeyRsp() * *FUNCTION: * This function is called to process the following two * messages from HAL: * 1) WDA_SET_BSSKEY_RSP * 2) WDA_SET_STAKEY_RSP * 3) WDA_SET_STA_BCASTKEY_RSP * Upon receipt of this message from HAL, * MLME - * > Determines the "state" in which this message was received * > Forwards it to the appropriate callback * *LOGIC: * WDA_SET_BSSKEY_RSP/WDA_SET_STAKEY_RSP can be * received by MLME while in the following state: * MLME state = eLIM_MLM_WT_SET_BSS_KEY_STATE --OR-- * MLME state = eLIM_MLM_WT_SET_STA_KEY_STATE --OR-- * MLME state = eLIM_MLM_WT_SET_STA_BCASTKEY_STATE * Based on this state, this API will determine where to * route the message to * *ASSUMPTIONS: * ONLY the MLME state is being taken into account for now. * This is because, it appears that the handling of the * SETKEYS REQ is handled symmetrically on both the AP & STA * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ void limProcessMlmSetStaKeyRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { tANI_U8 respReqd = 1; tLimMlmSetKeysCnf mlmSetKeysCnf; tANI_U8 sessionId = 0; tpPESession psessionEntry; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); vos_mem_set((void *)&mlmSetKeysCnf, sizeof( tLimMlmSetKeysCnf ), 0); //BTAMP if( NULL == limMsgQ->bodyptr ) { PELOGE(limLog(pMac, LOGE,FL("limMsgQ bodyptr is NULL"));) return; } sessionId = ((tpSetStaKeyParams) limMsgQ->bodyptr)->sessionId; if((psessionEntry = peFindSessionBySessionId(pMac, sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given sessionId"));) vos_mem_zero(limMsgQ->bodyptr, sizeof(tSetStaKeyParams)); vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; return; } if( eLIM_MLM_WT_SET_STA_KEY_STATE != psessionEntry->limMlmState ) { // Mesg received from HAL in Invalid state! limLog( pMac, LOGW, FL( "Received unexpected [Mesg Id - %d] in state %d" ), limMsgQ->type, psessionEntry->limMlmState ); // There's not much that MLME can do at this stage... respReqd = 0; } else mlmSetKeysCnf.resultCode = (tANI_U16) (((tpSetStaKeyParams) limMsgQ->bodyptr)->status); vos_mem_zero(limMsgQ->bodyptr, sizeof(tSetStaKeyParams)); vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; // Restore MLME state psessionEntry->limMlmState = psessionEntry->limPrevMlmState; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); if( respReqd ) { tpLimMlmSetKeysReq lpLimMlmSetKeysReq = (tpLimMlmSetKeysReq) pMac->lim.gpLimMlmSetKeysReq; // Prepare and Send LIM_MLM_SETKEYS_CNF if( NULL != lpLimMlmSetKeysReq ) { vos_mem_copy((tANI_U8 *) &mlmSetKeysCnf.peerMacAddr, (tANI_U8 *) lpLimMlmSetKeysReq->peerMacAddr, sizeof(tSirMacAddr)); // Free the buffer cached for the global pMac->lim.gpLimMlmSetKeysReq vos_mem_zero(pMac->lim.gpLimMlmSetKeysReq, sizeof(tLimMlmSetKeysReq)); vos_mem_free(pMac->lim.gpLimMlmSetKeysReq); pMac->lim.gpLimMlmSetKeysReq = NULL; } mlmSetKeysCnf.sessionId = sessionId; limPostSmeMessage(pMac, LIM_MLM_SETKEYS_CNF, (tANI_U32 *) &mlmSetKeysCnf); } } void limProcessMlmSetBssKeyRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { tLimMlmSetKeysCnf mlmSetKeysCnf; tANI_U16 resultCode; tANI_U8 sessionId = 0; tpPESession psessionEntry; tpLimMlmSetKeysReq lpLimMlmSetKeysReq; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); vos_mem_set((void *)&mlmSetKeysCnf, sizeof( tLimMlmSetKeysCnf ), 0); if ( NULL == limMsgQ->bodyptr ) { PELOGE(limLog(pMac, LOGE,FL("limMsgQ bodyptr is null"));) return; } sessionId = ((tpSetBssKeyParams) limMsgQ->bodyptr)->sessionId; if ((psessionEntry = peFindSessionBySessionId(pMac, sessionId))== NULL) { limLog(pMac, LOGE,FL("session does not exist for sessionId %d"), sessionId); vos_mem_zero(limMsgQ->bodyptr, sizeof(tSetBssKeyParams)); vos_mem_free( limMsgQ->bodyptr ); limMsgQ->bodyptr = NULL; return; } if ( eLIM_MLM_WT_SET_BSS_KEY_STATE == psessionEntry->limMlmState ) resultCode = (tANI_U16) (((tpSetBssKeyParams) limMsgQ->bodyptr)->status); else /* BCAST key also uses tpSetStaKeyParams. Done this way for readabilty */ resultCode = (tANI_U16) (((tpSetStaKeyParams) limMsgQ->bodyptr)->status); if( eLIM_MLM_WT_SET_BSS_KEY_STATE != psessionEntry->limMlmState && eLIM_MLM_WT_SET_STA_BCASTKEY_STATE != psessionEntry->limMlmState ) { /* Mesg received from HAL in Invalid state! */ limLog( pMac, LOGW, FL( "Received unexpected [Mesg Id - %d] in state %d" ), limMsgQ->type, psessionEntry->limMlmState ); mlmSetKeysCnf.resultCode = eSIR_SME_INVALID_STATE; } else mlmSetKeysCnf.resultCode = resultCode; vos_mem_zero(limMsgQ->bodyptr, sizeof(tSetBssKeyParams)); vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; // Restore MLME state psessionEntry->limMlmState = psessionEntry->limPrevMlmState; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); lpLimMlmSetKeysReq = (tpLimMlmSetKeysReq) pMac->lim.gpLimMlmSetKeysReq; mlmSetKeysCnf.sessionId = sessionId; /* Prepare and Send LIM_MLM_SETKEYS_CNF */ if( NULL != lpLimMlmSetKeysReq ) { vos_mem_copy((tANI_U8 *) &mlmSetKeysCnf.peerMacAddr, (tANI_U8 *) lpLimMlmSetKeysReq->peerMacAddr, sizeof(tSirMacAddr)); /* Free the buffer cached for the global pMac->lim.gpLimMlmSetKeysReq */ vos_mem_zero(pMac->lim.gpLimMlmSetKeysReq, sizeof(tLimMlmSetKeysReq)); vos_mem_free(pMac->lim.gpLimMlmSetKeysReq); pMac->lim.gpLimMlmSetKeysReq = NULL; } limPostSmeMessage(pMac, LIM_MLM_SETKEYS_CNF, (tANI_U32 *) &mlmSetKeysCnf); } /** * limProcessMlmRemoveKeyRsp() * *FUNCTION: * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac Pointer to Global MAC structure * @param tSirMsgQ The MsgQ header, which contains the response buffer * * @return None */ void limProcessMlmRemoveKeyRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { tANI_U8 respReqd = 1; tLimMlmRemoveKeyCnf mlmRemoveCnf; tANI_U16 resultCode; tANI_U8 sessionId = 0; tpPESession psessionEntry; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); vos_mem_set((void *) &mlmRemoveCnf, sizeof( tLimMlmRemoveKeyCnf ), 0); if( NULL == limMsgQ->bodyptr ) { PELOGE(limLog(pMac, LOGE,FL("limMsgQ bodyptr is NULL"));) return; } if (limMsgQ->type == WDA_REMOVE_STAKEY_RSP) sessionId = ((tpRemoveStaKeyParams) limMsgQ->bodyptr)->sessionId; else if (limMsgQ->type == WDA_REMOVE_BSSKEY_RSP) sessionId = ((tpRemoveBssKeyParams) limMsgQ->bodyptr)->sessionId; if((psessionEntry = peFindSessionBySessionId(pMac, sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given sessionId"));) return; } if( eLIM_MLM_WT_REMOVE_BSS_KEY_STATE == psessionEntry->limMlmState ) resultCode = (tANI_U16) (((tpRemoveBssKeyParams) limMsgQ->bodyptr)->status); else resultCode = (tANI_U16) (((tpRemoveStaKeyParams) limMsgQ->bodyptr)->status); // Validate MLME state if( eLIM_MLM_WT_REMOVE_BSS_KEY_STATE != psessionEntry->limMlmState && eLIM_MLM_WT_REMOVE_STA_KEY_STATE != psessionEntry->limMlmState ) { // Mesg received from HAL in Invalid state! limLog(pMac, LOGW, FL("Received unexpected [Mesg Id - %d] in state %d"), limMsgQ->type, psessionEntry->limMlmState ); respReqd = 0; } else mlmRemoveCnf.resultCode = resultCode; // // TODO & FIXME_GEN4 // Need to inspect tSirMsgQ.reserved for a valid Dialog token! // vos_mem_zero(limMsgQ->bodyptr, sizeof(tRemoveStaKeyParams)); vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; // Restore MLME state psessionEntry->limMlmState = psessionEntry->limPrevMlmState; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); if( respReqd ) { tpLimMlmRemoveKeyReq lpLimMlmRemoveKeyReq = (tpLimMlmRemoveKeyReq) pMac->lim.gpLimMlmRemoveKeyReq; mlmRemoveCnf.sessionId = sessionId; // Prepare and Send LIM_MLM_REMOVEKEY_CNF if( NULL != lpLimMlmRemoveKeyReq ) { vos_mem_copy((tANI_U8 *) &mlmRemoveCnf.peerMacAddr, (tANI_U8 *) lpLimMlmRemoveKeyReq->peerMacAddr, sizeof( tSirMacAddr )); // Free the buffer cached for the global pMac->lim.gpLimMlmRemoveKeyReq vos_mem_free(pMac->lim.gpLimMlmRemoveKeyReq); pMac->lim.gpLimMlmRemoveKeyReq = NULL; } limPostSmeMessage( pMac, LIM_MLM_REMOVEKEY_CNF, (tANI_U32 *) &mlmRemoveCnf ); } } /** --------------------------------------------------------------------- \fn limProcessInitScanRsp \brief This function is called when LIM receives WDA_INIT_SCAN_RSP \ message from HAL. If status code is failure, then \ update the gLimNumOfConsecutiveBkgndScanFailure count. \param tpAniSirGlobal pMac \param tANI_U32 body \return none \ ----------------------------------------------------------------------- */ void limProcessInitScanRsp(tpAniSirGlobal pMac, void *body) { tpInitScanParams pInitScanParam; eHalStatus status; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); pInitScanParam = (tpInitScanParams) body; status = pInitScanParam->status; vos_mem_free(body); //Only abort scan if the we are scanning. if( pMac->lim.abortScan && (eLIM_HAL_INIT_SCAN_WAIT_STATE == pMac->lim.gLimHalScanState) ) { limLog( pMac, LOGW, FL(" abort scan") ); pMac->lim.abortScan = 0; limDeactivateAndChangeTimer(pMac, eLIM_MIN_CHANNEL_TIMER); limDeactivateAndChangeTimer(pMac, eLIM_MAX_CHANNEL_TIMER); //Set the resume channel to Any valid channel (invalid). //This will instruct HAL to set it to any previous valid channel. peSetResumeChannel(pMac, 0, 0); if (status != eHAL_STATUS_SUCCESS) { PELOGW(limLog(pMac, LOGW, FL("InitScnRsp failed status=%d"),status);) pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; pMac->lim.gLimNumOfConsecutiveBkgndScanFailure += 1; limCompleteMlmScan(pMac, eSIR_SME_HAL_SCAN_INIT_FAILED); return; } else { limSendHalFinishScanReq(pMac, eLIM_HAL_FINISH_SCAN_WAIT_STATE); } } switch(pMac->lim.gLimHalScanState) { case eLIM_HAL_INIT_SCAN_WAIT_STATE: if (status != (tANI_U32) eHAL_STATUS_SUCCESS) { PELOGW(limLog(pMac, LOGW, FL("InitScanRsp with failed status= %d"), status);) pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; pMac->lim.gLimNumOfConsecutiveBkgndScanFailure += 1; /* * On Windows eSIR_SME_HAL_SCAN_INIT_FAILED message to CSR may trigger * another Scan request in the same context (happens when 11d is enabled * and first scan request with 11d channels fails for whatever reason, then CSR issues next init * scan in the same context but with bigger channel list), so the state needs to be * changed before this response message is sent. */ limCompleteMlmScan(pMac, eSIR_SME_HAL_SCAN_INIT_FAILED); return; } else if (status == eHAL_STATUS_SUCCESS) { /* since we have successfully triggered a background scan, * reset the "consecutive bkgnd scan failure" count to 0 */ pMac->lim.gLimNumOfConsecutiveBkgndScanFailure = 0; pMac->lim.gLimNumOfBackgroundScanSuccess += 1; pMac->lim.probeCounter = 0; } limContinueChannelScan(pMac); break; //WLAN_SUSPEND_LINK Related case eLIM_HAL_SUSPEND_LINK_WAIT_STATE: if( pMac->lim.gpLimSuspendCallback ) { if( eHAL_STATUS_SUCCESS == status ) { pMac->lim.gLimHalScanState = eLIM_HAL_SUSPEND_LINK_STATE; } else { pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; pMac->lim.gLimSystemInScanLearnMode = 0; } pMac->lim.gpLimSuspendCallback( pMac, status, pMac->lim.gpLimSuspendData ); pMac->lim.gpLimSuspendCallback = NULL; pMac->lim.gpLimSuspendData = NULL; } else { limLog( pMac, LOGP, "No suspend link callback set but station is in suspend state"); return; } break; //end WLAN_SUSPEND_LINK Related default: limLog(pMac, LOGW, FL("limProcessInitScanRsp: Rcvd InitScanRsp not in WAIT State, state %d"), pMac->lim.gLimHalScanState); break; } return; } /** * limProcessSwitchChannelReAssocReq() * *FUNCTION: * This function is called to send the reassoc req mgmt frame after the * switchChannelRsp message is received from HAL. * *LOGIC: * *ASSUMPTIONS: * NA * *NOTE: * NA * * @param pMac - Pointer to Global MAC structure. * @param psessionEntry - session related information. * @param status - channel switch success/failure. * * @return None */ static void limProcessSwitchChannelReAssocReq(tpAniSirGlobal pMac, tpPESession psessionEntry, eHalStatus status) { tLimMlmReassocCnf mlmReassocCnf; tLimMlmReassocReq *pMlmReassocReq; #ifdef FEATURE_WLAN_ESE tANI_U32 val = 0; #endif pMlmReassocReq = (tLimMlmReassocReq *)(psessionEntry->pLimMlmReassocReq); if(pMlmReassocReq == NULL) { limLog(pMac, LOGP, FL("pLimMlmReassocReq does not exist for given switchChanSession")); mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; goto end; } if(status != eHAL_STATUS_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Change channel failed!!"));) mlmReassocCnf.resultCode = eSIR_SME_CHANNEL_SWITCH_FAIL; goto end; } #ifdef FEATURE_WLAN_ESE /* * In case of Ese Reassociation, change the reassoc timer * value. */ val = pMlmReassocReq->reassocFailureTimeout; if (psessionEntry->isESEconnection) { val = val/LIM_MAX_REASSOC_RETRY_LIMIT; } if (tx_timer_deactivate(&pMac->lim.limTimers.gLimReassocFailureTimer) != TX_SUCCESS) { limLog(pMac, LOGP, FL("unable to deactivate Reassoc failure timer")); } val = SYS_MS_TO_TICKS(val); if (tx_timer_change(&pMac->lim.limTimers.gLimReassocFailureTimer, val, 0) != TX_SUCCESS) { limLog(pMac, LOGP, FL("unable to change Reassociation failure timer")); } #endif pMac->lim.limTimers.gLimReassocFailureTimer.sessionId = psessionEntry->peSessionId; /// Start reassociation failure timer MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_REASSOC_FAIL_TIMER)); if (tx_timer_activate(&pMac->lim.limTimers.gLimReassocFailureTimer) != TX_SUCCESS) { /// Could not start reassoc failure timer. // Log error limLog(pMac, LOGP, FL("could not start Reassociation failure timer")); // Return Reassoc confirm with // Resources Unavailable mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; goto end; } /// Prepare and send Reassociation request frame limSendReassocReqMgmtFrame(pMac, pMlmReassocReq, psessionEntry); return; end: // Free up buffer allocated for reassocReq if(pMlmReassocReq != NULL) { /* Update PE session Id*/ mlmReassocCnf.sessionId = pMlmReassocReq->sessionId; vos_mem_free(pMlmReassocReq); psessionEntry->pLimMlmReassocReq = NULL; } else { mlmReassocCnf.sessionId = 0; } mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; /* Update PE sessio Id*/ mlmReassocCnf.sessionId = psessionEntry->peSessionId; limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } /** * limProcessSwitchChannelJoinReq() * *FUNCTION: * This function is called to send the probe req mgmt frame after the * switchChannelRsp message is received from HAL. * *LOGIC: * *ASSUMPTIONS: * NA * *NOTE: * NA * * @param pMac - Pointer to Global MAC structure. * @param psessionEntry - session related information. * @param status - channel switch success/failure. * * @return None */ static void limProcessSwitchChannelJoinReq(tpAniSirGlobal pMac, tpPESession psessionEntry, eHalStatus status) { tANI_U32 val; tSirMacSSid ssId; tLimMlmJoinCnf mlmJoinCnf; if(status != eHAL_STATUS_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Change channel failed!!"));) goto error; } if ( (NULL == psessionEntry ) || (NULL == psessionEntry->pLimMlmJoinReq) ) { PELOGE(limLog(pMac, LOGE, FL("invalid pointer!!"));) goto error; } /* eSIR_BTAMP_AP_MODE stroed as bss type in session Table when join req is received, is to be veified */ if(psessionEntry->bssType == eSIR_BTAMP_AP_MODE) { if (limSetLinkState(pMac, eSIR_LINK_BTAMP_PREASSOC_STATE, psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS ) { PELOGE(limLog(pMac, LOGE, FL("Sessionid: %d Set link state " "failed!! BSSID:"MAC_ADDRESS_STR),psessionEntry->peSessionId, MAC_ADDR_ARRAY(psessionEntry->bssId));) goto error; } } /* Update the lim global gLimTriggerBackgroundScanDuringQuietBss */ if(wlan_cfgGetInt(pMac, WNI_CFG_TRIG_STA_BK_SCAN, &val) != eSIR_SUCCESS) limLog(pMac, LOGP, FL("failed to get WNI_CFG_TRIG_STA_BK_SCAN cfg value!")); pMac->lim.gLimTriggerBackgroundScanDuringQuietBss = (val) ? 1 : 0; // Apply previously set configuration at HW limApplyConfiguration(pMac, psessionEntry); /* If sendDeauthBeforeCon is enabled, Send Deauth first to AP if last * disconnection was caused by HB failure. */ if(pMac->roam.configParam.sendDeauthBeforeCon) { int apCount; for(apCount = 0; apCount < 2; apCount++) { if (vos_mem_compare(psessionEntry->pLimMlmJoinReq->bssDescription.bssId, pMac->lim.gLimHeartBeatApMac[apCount], sizeof(tSirMacAddr))) { limLog(pMac, LOGE, FL("Index %d Sessionid: %d Send deauth on " "channel %d to BSSID: "MAC_ADDRESS_STR ), apCount, psessionEntry->peSessionId, psessionEntry->currentOperChannel, MAC_ADDR_ARRAY(psessionEntry->pLimMlmJoinReq->bssDescription.bssId)); limSendDeauthMgmtFrame( pMac, eSIR_MAC_UNSPEC_FAILURE_REASON, psessionEntry->pLimMlmJoinReq->bssDescription.bssId, psessionEntry, FALSE ); vos_mem_zero(pMac->lim.gLimHeartBeatApMac[apCount], sizeof(tSirMacAddr)); break; } } } /// Wait for Beacon to announce join success vos_mem_copy(ssId.ssId, psessionEntry->ssId.ssId, psessionEntry->ssId.length); ssId.length = psessionEntry->ssId.length; limDeactivateAndChangeTimer(pMac, eLIM_PERIODIC_JOIN_PROBE_REQ_TIMER); //assign appropriate sessionId to the timer object pMac->lim.limTimers.gLimPeriodicJoinProbeReqTimer.sessionId = psessionEntry->peSessionId; limLog(pMac, LOG1, FL("Sessionid: %d Send Probe req on channel %d ssid: %.*s " "BSSID: "MAC_ADDRESS_STR ), psessionEntry->peSessionId, psessionEntry->currentOperChannel, ssId.length, ssId.ssId, MAC_ADDR_ARRAY(psessionEntry->pLimMlmJoinReq->bssDescription.bssId)); // include additional IE if there is limSendProbeReqMgmtFrame( pMac, &ssId, psessionEntry->pLimMlmJoinReq->bssDescription.bssId, psessionEntry->currentOperChannel/*chanNum*/, psessionEntry->selfMacAddr, psessionEntry->dot11mode, psessionEntry->pLimJoinReq->addIEScan.length, psessionEntry->pLimJoinReq->addIEScan.addIEdata); // Sending mgmt frame is a blocking call activate Join failure timer now MTRACE(macTrace(pMac, TRACE_CODE_TIMER_ACTIVATE, psessionEntry->peSessionId, eLIM_JOIN_FAIL_TIMER)); if (tx_timer_activate(&pMac->lim.limTimers.gLimJoinFailureTimer) != TX_SUCCESS) { limLog(pMac, LOGP, FL("could not activate Join failure timer")); psessionEntry->limMlmState = psessionEntry->limPrevMlmState; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, pMac->lim.gLimMlmState)); //memory is freed up below. psessionEntry->pLimMlmJoinReq = NULL; goto error; } if( psessionEntry->pePersona == VOS_P2P_CLIENT_MODE ) { // Activate Join Periodic Probe Req timer if (tx_timer_activate(&pMac->lim.limTimers.gLimPeriodicJoinProbeReqTimer) != TX_SUCCESS) { limLog(pMac, LOGP, FL("could not activate Periodic Join req failure timer")); goto error; } } return; error: if(NULL != psessionEntry) { vos_mem_free(psessionEntry->pLimMlmJoinReq); psessionEntry->pLimMlmJoinReq = NULL; mlmJoinCnf.sessionId = psessionEntry->peSessionId; } else { mlmJoinCnf.sessionId = 0; } mlmJoinCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmJoinCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; limPostSmeMessage(pMac, LIM_MLM_JOIN_CNF, (tANI_U32 *) &mlmJoinCnf); } /** * limProcessSwitchChannelRsp() * *FUNCTION: * This function is called to process switchChannelRsp message from HAL. * *LOGIC: * *ASSUMPTIONS: * NA * *NOTE: * NA * * @param pMac - Pointer to Global MAC structure * @param body - message body. * * @return None */ void limProcessSwitchChannelRsp(tpAniSirGlobal pMac, void *body) { tpSwitchChannelParams pChnlParams = NULL; eHalStatus status; tANI_U16 channelChangeReasonCode; tANI_U8 peSessionId; tpPESession psessionEntry; //we need to process the deferred message since the initiating req. there might be nested request. //in the case of nested request the new request initiated from the response will take care of resetting //the deffered flag. SET_LIM_PROCESS_DEFD_MESGS(pMac, true); pChnlParams = (tpSwitchChannelParams) body; status = pChnlParams->status; peSessionId = pChnlParams->peSessionId; if((psessionEntry = peFindSessionBySessionId(pMac, peSessionId))== NULL) { vos_mem_free(body); limLog(pMac, LOGP, FL("session does not exist for given sessionId")); return; } #if defined WLAN_FEATURE_VOWIFI //HAL fills in the tx power used for mgmt frames in this field. //Store this value to use in TPC report IE. rrmCacheMgmtTxPower( pMac, pChnlParams->txMgmtPower, psessionEntry ); #endif channelChangeReasonCode = psessionEntry->channelChangeReasonCode; // initialize it back to invalid id psessionEntry->channelChangeReasonCode = 0xBAD; limLog(pMac, LOGE, FL("channelChangeReasonCode %d status %d"),channelChangeReasonCode, pChnlParams->status); switch(channelChangeReasonCode) { case LIM_SWITCH_CHANNEL_REASSOC: limProcessSwitchChannelReAssocReq(pMac, psessionEntry, status); break; case LIM_SWITCH_CHANNEL_JOIN: limProcessSwitchChannelJoinReq(pMac, psessionEntry, status); break; case LIM_SWITCH_CHANNEL_OPERATION: /* * The above code should also use the callback. * mechanism below, there is scope for cleanup here. * THat way all this response handler does is call the call back * We can get rid of the reason code here. */ if (pMac->lim.gpchangeChannelCallback) { limLog( pMac, LOG1, "Channel changed hence invoke registered call back"); if (eHAL_CHANNEL_SWITCH_SOURCE_CSA == pChnlParams->channelSwitchSrc ) { if (IS_MCC_SUPPORTED && limIsLinkSuspended( pMac ) ) { if ( psessionEntry && psessionEntry->limSmeState == eLIM_SME_LINK_EST_STATE ) { peSetResumeChannel( pMac, psessionEntry->currentOperChannel, psessionEntry->htSecondaryChannelOffset); } else { peSetResumeChannel( pMac, 0, 0); } limResumeLink(pMac, limSwitchChannelResumeLinkRsp, NULL); } } pMac->lim.gpchangeChannelCallback(pMac, status, pMac->lim.gpchangeChannelData, psessionEntry); } break; case LIM_SWITCH_CHANNEL_SAP_ECSA: lim_send_sme_ap_channel_switch_resp(pMac, psessionEntry, pChnlParams); break; default: break; } vos_mem_free(body); body = NULL; } /** * limProcessStartScanRsp() * *FUNCTION: * This function is called to process startScanRsp message from HAL. If scan/learn was successful * then it will start scan/learn on the next channel. * *LOGIC: * *ASSUMPTIONS: * NA * *NOTE: * NA * * @param pMac - Pointer to Global MAC structure * @param body - message body. * * @return None */ void limProcessStartScanRsp(tpAniSirGlobal pMac, void *body) { tpStartScanParams pStartScanParam; eHalStatus status; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); pStartScanParam = (tpStartScanParams) body; status = pStartScanParam->status; #if defined WLAN_FEATURE_VOWIFI //HAL fills in the tx power used for mgmt frames in this field. //Store this value to use in TPC report IE. rrmCacheMgmtTxPower( pMac, pStartScanParam->txMgmtPower, NULL ); //Store start TSF of scan start. This will be stored in BSS params. rrmUpdateStartTSF( pMac, pStartScanParam->startTSF ); #endif vos_mem_free(body); body = NULL; if( pMac->lim.abortScan ) { limLog( pMac, LOGW, FL(" finish scan") ); pMac->lim.abortScan = 0; limDeactivateAndChangeTimer(pMac, eLIM_MIN_CHANNEL_TIMER); limDeactivateAndChangeTimer(pMac, eLIM_MAX_CHANNEL_TIMER); //Set the resume channel to Any valid channel (invalid). //This will instruct HAL to set it to any previous valid channel. peSetResumeChannel(pMac, 0, 0); limSendHalFinishScanReq(pMac, eLIM_HAL_FINISH_SCAN_WAIT_STATE); } switch(pMac->lim.gLimHalScanState) { case eLIM_HAL_START_SCAN_WAIT_STATE: if (status != (tANI_U32) eHAL_STATUS_SUCCESS) { PELOGW(limLog(pMac, LOGW, FL("StartScanRsp with failed status= %d"), status);) // // FIXME - With this, LIM will try and recover state, but // eWNI_SME_SCAN_CNF maybe reporting an incorrect // status back to the SME // //Set the resume channel to Any valid channel (invalid). //This will instruct HAL to set it to any previous valid channel. peSetResumeChannel(pMac, 0, 0); limSendHalFinishScanReq( pMac, eLIM_HAL_FINISH_SCAN_WAIT_STATE ); //limCompleteMlmScan(pMac, eSIR_SME_HAL_SCAN_INIT_FAILED); } else { pMac->lim.gLimHalScanState = eLIM_HAL_SCANNING_STATE; limContinuePostChannelScan(pMac); } break; default: limLog(pMac, LOGW, FL("Rcvd StartScanRsp not in WAIT State, state %d"), pMac->lim.gLimHalScanState); break; } return; } void limProcessEndScanRsp(tpAniSirGlobal pMac, void *body) { tpEndScanParams pEndScanParam; eHalStatus status; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); pEndScanParam = (tpEndScanParams) body; status = pEndScanParam->status; vos_mem_free(body); body = NULL; switch(pMac->lim.gLimHalScanState) { case eLIM_HAL_END_SCAN_WAIT_STATE: if (status != (tANI_U32) eHAL_STATUS_SUCCESS) { PELOGW(limLog(pMac, LOGW, FL("EndScanRsp with failed status= %d"), status);) pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; limCompleteMlmScan(pMac, eSIR_SME_HAL_SCAN_INIT_FAILED); } else { pMac->lim.gLimCurrentScanChannelId++; limContinueChannelScan(pMac); } break; default: limLog(pMac, LOGW, FL("Rcvd endScanRsp not in WAIT State, state %d"), pMac->lim.gLimHalScanState); break; } return; } /** * limStopTxAndSwitch() * *FUNCTION: * Start channel switch on all sessions that is in channel switch state. * * @param pMac - pointer to global adapter context * * @return None * */ static void limStopTxAndSwitch (tpAniSirGlobal pMac) { tANI_U8 i; for(i =0; i < pMac->lim.maxBssId; i++) { if(pMac->lim.gpSession[i].valid && pMac->lim.gpSession[i].gLimSpecMgmt.dot11hChanSwState == eLIM_11H_CHANSW_RUNNING) { limStopTxAndSwitchChannel(pMac, i); } } return; } /** * limStartQuietOnSession() * *FUNCTION: * This function is called to start quiet timer after finish scan if there is * qeuieting on any session. * *LOGIC: * *ASSUMPTIONS: * NA * *NOTE: * NA * * @param pMac - Pointer to Global MAC structure * * @return None */ static void limStartQuietOnSession (tpAniSirGlobal pMac) { tANI_U8 i; for(i =0; i < pMac->lim.maxBssId; i++) { if(pMac->lim.gpSession[i].valid && pMac->lim.gpSession[i].gLimSpecMgmt.quietState == eLIM_QUIET_BEGIN) { limStartQuietTimer(pMac, i); } } return; } void limProcessFinishScanRsp(tpAniSirGlobal pMac, void *body) { tpFinishScanParams pFinishScanParam; eHalStatus status; SET_LIM_PROCESS_DEFD_MESGS(pMac, true); pFinishScanParam = (tpFinishScanParams) body; status = pFinishScanParam->status; limLog(pMac, LOG1, FL("Rcvd FinishScanRsp in state %d channel %d "), pMac->lim.gLimHalScanState, pFinishScanParam->currentOperChannel); switch(pMac->lim.gLimHalScanState) { case eLIM_HAL_FINISH_SCAN_WAIT_STATE: #ifdef FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_SCAN_COMP_EVENT, NULL, status, eSIR_SUCCESS); #endif pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; if (pMac->lim.abortScan) pMac->lim.abortScan = 0; limCompleteMlmScan(pMac, eSIR_SME_SUCCESS); if (limIsChanSwitchRunning(pMac)) { /** Right time to stop tx and start the timer for channel switch */ /* Sending Session ID 0, may not be correct, since SCAN is global there should not * be any associated session id */ limStopTxAndSwitch(pMac); } else if (limIsQuietBegin(pMac)) { /** Start the quieting */ /* Sending Session ID 0, may not be correct, since SCAN is global there should not * be any associated session id */ limStartQuietOnSession(pMac); } if (status != (tANI_U32) eHAL_STATUS_SUCCESS) { PELOGW(limLog(pMac, LOGW, FL("EndScanRsp with failed status= %d"), status);) } break; //WLAN_SUSPEND_LINK Related case eLIM_HAL_RESUME_LINK_WAIT_STATE: if( pMac->lim.gpLimResumeCallback ) { pMac->lim.gLimHalScanState = eLIM_HAL_IDLE_SCAN_STATE; pMac->lim.gpLimResumeCallback( pMac, status, pMac->lim.gpLimResumeData ); pMac->lim.gpLimResumeCallback = NULL; pMac->lim.gpLimResumeData = NULL; pMac->lim.gLimSystemInScanLearnMode = 0; } else { limLog( pMac, LOGP, "No Resume link callback set but station is in suspend state"); vos_mem_free(body); body = NULL; return; } break; //end WLAN_SUSPEND_LINK Related default: limLog(pMac, LOGE, FL("Rcvd FinishScanRsp not in WAIT State, state %d"), pMac->lim.gLimHalScanState); break; } vos_mem_free(body); body = NULL; return; } /** * @function : limProcessMlmHalAddBARsp * * @brief: Process WDA_ADDBA_RSP coming from HAL * * * @param pMac The global tpAniSirGlobal object * * @param tSirMsgQ The MsgQ header containing the response buffer * * @return none */ void limProcessMlmHalAddBARsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { // Send LIM_MLM_ADDBA_CNF to LIM tpLimMlmAddBACnf pMlmAddBACnf; tpPESession psessionEntry = NULL; tpAddBAParams pAddBAParams = (tpAddBAParams) limMsgQ->bodyptr; //now LIM can process any defer message. SET_LIM_PROCESS_DEFD_MESGS(pMac, true); if (pAddBAParams == NULL) { PELOGE(limLog(pMac, LOGE,FL("NULL ADD BA Response from HAL"));) return; } if((psessionEntry = peFindSessionBySessionId(pMac, pAddBAParams->sessionId))==NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given sessionID: %d"),pAddBAParams->sessionId );) vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; return; } // Allocate for LIM_MLM_ADDBA_CNF pMlmAddBACnf = vos_mem_malloc(sizeof(tLimMlmAddBACnf)); if ( NULL == pMlmAddBACnf ) { limLog( pMac, LOGP, FL(" AllocateMemory failed for pMlmAddBACnf")); vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; return; } vos_mem_set((void *) pMlmAddBACnf, sizeof( tLimMlmAddBACnf ), 0); // Copy the peer MAC vos_mem_copy(pMlmAddBACnf->peerMacAddr, pAddBAParams->peerMacAddr, sizeof( tSirMacAddr )); // Copy other ADDBA Rsp parameters pMlmAddBACnf->baDialogToken = pAddBAParams->baDialogToken; pMlmAddBACnf->baTID = pAddBAParams->baTID; pMlmAddBACnf->baPolicy = pAddBAParams->baPolicy; pMlmAddBACnf->baBufferSize = pAddBAParams->baBufferSize; pMlmAddBACnf->baTimeout = pAddBAParams->baTimeout; pMlmAddBACnf->baDirection = pAddBAParams->baDirection; pMlmAddBACnf->sessionId = psessionEntry->peSessionId; if(eHAL_STATUS_SUCCESS == pAddBAParams->status) pMlmAddBACnf->addBAResultCode = eSIR_MAC_SUCCESS_STATUS; else pMlmAddBACnf->addBAResultCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; #ifdef FEATURE_WLAN_DIAG_SUPPORT_LIM //FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_HAL_ADDBA_RSP_EVENT, psessionEntry, pAddBAParams->status, pMlmAddBACnf->addBAResultCode); #endif //FEATURE_WLAN_DIAG_SUPPORT vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; // Send ADDBA CNF to LIM limPostSmeMessage( pMac, LIM_MLM_ADDBA_CNF, (tANI_U32 *) pMlmAddBACnf ); } /** * \brief Process LIM_MLM_ADDBA_CNF * * \sa limProcessMlmAddBACnf * * \param pMac The global tpAniSirGlobal object * * \param tSirMsgQ The MsgQ header containing the response buffer * * \return none */ void limProcessMlmAddBACnf( tpAniSirGlobal pMac, tANI_U32 *pMsgBuf ) { tpLimMlmAddBACnf pMlmAddBACnf; tpDphHashNode pSta; tANI_U16 aid; tLimBAState curBaState; tpPESession psessionEntry = NULL; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmAddBACnf = (tpLimMlmAddBACnf) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac,pMlmAddBACnf->sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given BSSId"));) vos_mem_free(pMsgBuf); return; } // First, extract the DPH entry pSta = dphLookupHashEntry( pMac, pMlmAddBACnf->peerMacAddr, &aid, &psessionEntry->dph.dphHashTable); if( NULL == pSta ) { PELOGE(limLog( pMac, LOGE, FL( "STA context not found - ignoring ADDBA CNF from HAL" ));) vos_mem_free(pMsgBuf); return; } LIM_GET_STA_BA_STATE(pSta, pMlmAddBACnf->baTID, &curBaState); // Need to validate SME state if( eLIM_BA_STATE_WT_ADD_RSP != curBaState) { PELOGE(limLog( pMac, LOGE, FL( "Received unexpected ADDBA CNF when STA BA state is %d" ), curBaState );) vos_mem_free(pMsgBuf); return; } // Restore STA BA state LIM_SET_STA_BA_STATE(pSta, pMlmAddBACnf->baTID, eLIM_BA_STATE_IDLE); if( eSIR_MAC_SUCCESS_STATUS == pMlmAddBACnf->addBAResultCode ) { // Update LIM internal cache... if( eBA_RECIPIENT == pMlmAddBACnf->baDirection ) { pSta->tcCfg[pMlmAddBACnf->baTID].fUseBARx = 1; pSta->tcCfg[pMlmAddBACnf->baTID].fRxCompBA = 1; pSta->tcCfg[pMlmAddBACnf->baTID].fRxBApolicy = pMlmAddBACnf->baPolicy; pSta->tcCfg[pMlmAddBACnf->baTID].rxBufSize = pMlmAddBACnf->baBufferSize; pSta->tcCfg[pMlmAddBACnf->baTID].tuRxBAWaitTimeout = pMlmAddBACnf->baTimeout; // Package LIM_MLM_ADDBA_RSP to MLME, with proper // status code. MLME will then send an ADDBA RSP // over the air to the peer MAC entity if( eSIR_SUCCESS != limPostMlmAddBARsp( pMac, pMlmAddBACnf->peerMacAddr, pMlmAddBACnf->addBAResultCode, pMlmAddBACnf->baDialogToken, (tANI_U8) pMlmAddBACnf->baTID, (tANI_U8) pMlmAddBACnf->baPolicy, pMlmAddBACnf->baBufferSize, pMlmAddBACnf->baTimeout,psessionEntry)) { PELOGW(limLog( pMac, LOGW, FL( "Failed to post LIM_MLM_ADDBA_RSP to " )); limPrintMacAddr( pMac, pMlmAddBACnf->peerMacAddr, LOGW );) } } else { pSta->tcCfg[pMlmAddBACnf->baTID].fUseBATx = 1; pSta->tcCfg[pMlmAddBACnf->baTID].fTxCompBA = 1; pSta->tcCfg[pMlmAddBACnf->baTID].fTxBApolicy = pMlmAddBACnf->baPolicy; pSta->tcCfg[pMlmAddBACnf->baTID].txBufSize = pMlmAddBACnf->baBufferSize; pSta->tcCfg[pMlmAddBACnf->baTID].tuTxBAWaitTimeout = pMlmAddBACnf->baTimeout; } } // Free the memory allocated for LIM_MLM_ADDBA_CNF vos_mem_free(pMsgBuf); pMsgBuf = NULL; } /** * \brief Process LIM_MLM_DELBA_CNF * * \sa limProcessMlmDelBACnf * * \param pMac The global tpAniSirGlobal object * * \param tSirMsgQ The MsgQ header containing the response buffer * * \return none */ void limProcessMlmDelBACnf( tpAniSirGlobal pMac, tANI_U32 *pMsgBuf ) { tpLimMlmDelBACnf pMlmDelBACnf; tpDphHashNode pSta; tANI_U16 aid; // tANI_U8 sessionId; tLimBAState curBaState; tpPESession psessionEntry; if(pMsgBuf == NULL) { PELOGE(limLog(pMac, LOGE,FL("Buffer is Pointing to NULL"));) return; } pMlmDelBACnf = (tpLimMlmDelBACnf) pMsgBuf; if((psessionEntry = peFindSessionBySessionId(pMac, pMlmDelBACnf->sessionId))== NULL) { limLog(pMac, LOGP,FL("SessionId:%d Session Does not exist"), pMlmDelBACnf->sessionId); vos_mem_free(pMsgBuf); return; } // First, extract the DPH entry pSta = dphLookupHashEntry( pMac, pMlmDelBACnf->peerMacAddr, &aid, &psessionEntry->dph.dphHashTable ); if( NULL == pSta ) { limLog( pMac, LOGE, FL( "STA context not found - ignoring DELBA CNF from HAL" )); vos_mem_free(pMsgBuf); return; } if(NULL == pMlmDelBACnf) { limLog( pMac, LOGE, FL( "pMlmDelBACnf is NULL - ignoring DELBA CNF from HAL" )); return; } // Need to validate baState LIM_GET_STA_BA_STATE(pSta, pMlmDelBACnf->baTID, &curBaState); if( eLIM_BA_STATE_WT_DEL_RSP != curBaState ) { limLog( pMac, LOGE, FL( "Received unexpected DELBA CNF when STA BA state is %d" ), curBaState ); vos_mem_free(pMsgBuf); return; } // Restore STA BA state LIM_SET_STA_BA_STATE(pSta, pMlmDelBACnf->baTID, eLIM_BA_STATE_IDLE); // Free the memory allocated for LIM_MLM_DELBA_CNF vos_mem_free(pMsgBuf); } /** * \brief Process SIR_LIM_DEL_BA_IND * * \sa limProcessMlmHalBADeleteInd * * \param pMac The global tpAniSirGlobal object * * \param tSirMsgQ The MsgQ header containing the indication buffer * * \return none */ void limProcessMlmHalBADeleteInd( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ) { tSirRetStatus status = eSIR_SUCCESS; tpBADeleteParams pBADeleteParams; tpDphHashNode pSta; tANI_U16 aid; tLimBAState curBaState; tpPESession psessionEntry; tANI_U8 sessionId; pBADeleteParams = (tpBADeleteParams) limMsgQ->bodyptr; if((psessionEntry = peFindSessionByBssid(pMac,pBADeleteParams->bssId,&sessionId))== NULL) { PELOGE(limLog(pMac, LOGE,FL("session does not exist for given BSSId"));) vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; return; } // First, extract the DPH entry pSta = dphLookupHashEntry( pMac, pBADeleteParams->peerMacAddr, &aid, &psessionEntry->dph.dphHashTable ); if( NULL == pSta ) { limLog( pMac, LOGE, FL( "STA context not found - ignoring BA Delete IND from HAL" )); goto returnAfterCleanup; } // Need to validate BA state LIM_GET_STA_BA_STATE(pSta, pBADeleteParams->baTID, &curBaState); if( eLIM_BA_STATE_IDLE != curBaState ) { limLog( pMac, LOGE, FL( "Received unexpected BA Delete IND when STA BA state is %d" ), curBaState ); goto returnAfterCleanup; } // Post DELBA REQ to MLME... if( eSIR_SUCCESS != (status = limPostMlmDelBAReq( pMac, pSta, pBADeleteParams->baDirection, pBADeleteParams->baTID, eSIR_MAC_UNSPEC_FAILURE_REASON,psessionEntry ))) { limLog( pMac, LOGE, FL( "Attempt to post LIM_MLM_DELBA_REQ failed with status %d" ), status); } else { limLog( pMac, LOGE, FL( "BA Delete - Reason 0x%08x. Attempting to delete BA session for TID %d with peer STA " ), pBADeleteParams->reasonCode, pBADeleteParams->baTID ); limPrintMacAddr( pMac, pSta->staAddr, LOGE ); } returnAfterCleanup: // Free the memory allocated for SIR_LIM_DEL_BA_IND vos_mem_free(limMsgQ->bodyptr); limMsgQ->bodyptr = NULL; } /** * @function : limProcessSetMimoRsp() * * @brief : This function is called upon receiving the WDA_SET_MIMOPS_RSP from the HAL * after Processing the Req from the SME (PMC) * * LOGIC: * * ASSUMPTIONS: * NA * * NOTE: * NA * * @param pMac - Pointer to Global MAC structure * @param limMsg - Lim Message structure object with the MimoPSparam in body * @return None */ void limProcessSetMimoRsp(tpAniSirGlobal pMac, tpSirMsgQ limMsg) { #if 0 tSirRetStatus retStatus; tpSetMIMOPS pMIMO_PSParams; do { pMIMO_PSParams = (tpSetMIMOPS)limMsg->bodyptr; if( NULL == pMIMO_PSParams ) { PELOGE(limLog(pMac, LOGE, "Received the WDA_SET_MIMOPS_RSP with NULL as the PS param");) return; } /** If Updation of the HAL Fail's*/ if (pMIMO_PSParams->status != eSIR_SUCCESS) { limLog(pMac, LOGP, FL("Update HAL / SW Mac for MIMO State has Failed")); break; } if ((pMac->lim.gLimSystemRole != eSYSTEM_STA_ROLE) || (pMac->lim.gLimSmeState != eLIM_SME_LINK_EST_STATE) ) break; pMac->lim.gLimMlmState = pMac->lim.gLimPrevMlmState; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, 0, pMac->lim.gLimMlmState)); /** In the Case of Exiting out of the Powersave (changing from Dynamic/Static mode to SM Enabled) * send the action Frame to Peer to update the PS State of the STA , for the case of Entering PowerSave * the Action Frame is being sent at first before setting the internal structures */ if (!isEnteringMimoPS(pMac->lim.gHTMIMOPSState, pMIMO_PSParams->htMIMOPSState)) { tSirMacAddr macAddr; /** Obtain the AP's Mac Address */ vos_mem_copy((tANI_U8 *)macAddr, pMac->lim.gLimBssid, sizeof(tSirMacAddr)); /** Send Action Frame with the corresponding mode */ retStatus = limSendSMPowerStateFrame(pMac, macAddr, pMIMO_PSParams->htMIMOPSState); if (retStatus != eSIR_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Sending Action Frame has failed"));) break; } } PELOG1(limLog(pMac, LOG1, FL("The Setting up of LimGlobals is successful for MIMOPS"));) }while(0); vos_mem_free((void *) pMIMO_PSParams); #endif } /** * @function : limHandleDelBssInReAssocContext * @brief : While Processing the ReAssociation Response Frame in STA, * a. immediately after receiving the Reassoc Response the RxCleanUp is * being issued and the end of DelBSS the new BSS is being added. * * b .If an AP rejects the ReAssociation (Disassoc / Deauth) with some context * change, We need to update CSR with ReAssocCNF Response with the * ReAssoc Fail and the reason Code, that is also being handled in the DELBSS * context only * * @param : pMac - tpAniSirGlobal * pStaDs - Station Descriptor * * @return : none */ static void limHandleDelBssInReAssocContext(tpAniSirGlobal pMac, tpDphHashNode pStaDs,tpPESession psessionEntry) { tLimMlmReassocCnf mlmReassocCnf; /** Skipped the DeleteDPH Hash Entry as we need it for the new BSS*/ /** Set the MlmState to IDLE*/ psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; /* Update PE session Id*/ mlmReassocCnf.sessionId = psessionEntry->peSessionId; switch (psessionEntry->limSmeState) { case eLIM_SME_WT_REASSOC_STATE : { tpSirAssocRsp assocRsp; tpDphHashNode pStaDs; tSirRetStatus retStatus = eSIR_SUCCESS; tpSchBeaconStruct pBeaconStruct; pBeaconStruct = vos_mem_vmalloc(sizeof(tSchBeaconStruct)); if (NULL == pBeaconStruct) { limLog(pMac, LOGE, FL("beaconStruct allocation failed")); mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; limDeleteDphHashEntry(pMac, psessionEntry->bssId, DPH_STA_HASH_INDEX_PEER, psessionEntry); goto Error; } /** Delete the older STA Table entry */ limDeleteDphHashEntry(pMac, psessionEntry->bssId, DPH_STA_HASH_INDEX_PEER, psessionEntry); /** * Add an entry for AP to hash table * maintained by DPH module */ if ((pStaDs = dphAddHashEntry(pMac, psessionEntry->limReAssocbssId, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable)) == NULL) { // Could not add hash table entry PELOGE(limLog(pMac, LOGE, FL("could not add hash entry at DPH for "));) limPrintMacAddr(pMac, psessionEntry->limReAssocbssId, LOGE); mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_SME_SUCCESS; vos_mem_vfree(pBeaconStruct); goto Error; } /** While Processing the ReAssoc Response Frame the ReAssocRsp Frame * is being stored to be used here for sending ADDBSS */ assocRsp = (tpSirAssocRsp)psessionEntry->limAssocResponseData; limUpdateAssocStaDatas(pMac, pStaDs, assocRsp,psessionEntry); limUpdateReAssocGlobals(pMac, assocRsp,psessionEntry); limExtractApCapabilities( pMac, (tANI_U8 *) psessionEntry->pLimReAssocReq->bssDescription.ieFields, GET_IE_LEN_IN_BSS( psessionEntry->pLimReAssocReq->bssDescription.length), pBeaconStruct); if(pMac->lim.gLimProtectionControl != WNI_CFG_FORCE_POLICY_PROTECTION_DISABLE) limDecideStaProtectionOnAssoc(pMac, pBeaconStruct, psessionEntry); if(pBeaconStruct->erpPresent) { if (pBeaconStruct->erpIEInfo.barkerPreambleMode) psessionEntry->beaconParams.fShortPreamble = 0; else psessionEntry->beaconParams.fShortPreamble = 1; } //updateBss flag is false, as in this case, PE is first deleting the existing BSS and then adding a new one. if (eSIR_SUCCESS != limStaSendAddBss( pMac, assocRsp, pBeaconStruct, &psessionEntry->pLimReAssocReq->bssDescription, false, psessionEntry)) { limLog( pMac, LOGE, FL( "Posting ADDBSS in the ReAssocContext has Failed ")); retStatus = eSIR_FAILURE; } if (retStatus != eSIR_SUCCESS) { mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; vos_mem_free(assocRsp); vos_mem_vfree(pBeaconStruct); pMac->lim.gLimAssocResponseData = NULL; goto Error; } vos_mem_free(assocRsp); vos_mem_vfree(pBeaconStruct); psessionEntry->limAssocResponseData = NULL; } break; case eLIM_SME_WT_REASSOC_LINK_FAIL_STATE: { /** Case wherein the DisAssoc / Deauth * being sent as response to ReAssoc Req*/ /** Send the Reason code as the same received in Disassoc / Deauth Frame*/ mlmReassocCnf.resultCode = pStaDs->mlmStaContext.disassocReason; mlmReassocCnf.protStatusCode = pStaDs->mlmStaContext.cleanupTrigger; /** Set the SME State back to WT_Reassoc State*/ psessionEntry->limSmeState = eLIM_SME_WT_REASSOC_STATE; limDeleteDphHashEntry(pMac, pStaDs->staAddr, pStaDs->assocId,psessionEntry); if((psessionEntry->limSystemRole == eLIM_STA_ROLE)|| (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)) { psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; } limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } break; default: PELOGE(limLog(pMac, LOGE, FL("DelBss is being invoked in the wrong system Role /unhandled SME State"));) mlmReassocCnf.resultCode = eSIR_SME_REFUSED; mlmReassocCnf.protStatusCode = eSIR_SME_UNEXPECTED_REQ_RESULT_CODE; goto Error; } return; Error: limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } /* Added For BT -AMP Support */ static void limProcessBtampAddBssRsp( tpAniSirGlobal pMac, tpSirMsgQ limMsgQ ,tpPESession psessionEntry) { tLimMlmStartCnf mlmStartCnf; tANI_U32 val; tpAddBssParams pAddBssParams = (tpAddBssParams) limMsgQ->bodyptr; if (NULL == pAddBssParams) { limLog( pMac, LOGE, FL( "Invalid body pointer in message")); goto end; } if( eHAL_STATUS_SUCCESS == pAddBssParams->status ) { limLog(pMac, LOG2, FL("WDA_ADD_BSS_RSP returned with eHAL_STATUS_SUCCESS")); if (psessionEntry->bssType == eSIR_BTAMP_AP_MODE) { if (limSetLinkState(pMac, eSIR_LINK_BTAMP_AP_STATE, psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS ) goto end; } else if (psessionEntry->bssType == eSIR_BTAMP_STA_MODE) { if (limSetLinkState(pMac, eSIR_LINK_SCAN_STATE, psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS ) goto end; } // Set MLME state psessionEntry->limMlmState= eLIM_MLM_BSS_STARTED_STATE; psessionEntry->statypeForBss = STA_ENTRY_SELF; // to know session started for peer or for self psessionEntry->bssIdx = (tANI_U8) pAddBssParams->bssIdx; schEdcaProfileUpdate(pMac, psessionEntry); limInitPeerIdxpool(pMac,psessionEntry); // Create timers used by LIM if (!pMac->lim.gLimTimersCreated) limCreateTimers(pMac); /* Update the lim global gLimTriggerBackgroundScanDuringQuietBss */ if( eSIR_SUCCESS != wlan_cfgGetInt( pMac, WNI_CFG_TRIG_STA_BK_SCAN, &val )) limLog( pMac, LOGP, FL("Failed to get WNI_CFG_TRIG_STA_BK_SCAN!")); pMac->lim.gLimTriggerBackgroundScanDuringQuietBss = (val) ? 1 : 0; // Apply previously set configuration at HW limApplyConfiguration(pMac,psessionEntry); psessionEntry->staId = pAddBssParams->staContext.staIdx; mlmStartCnf.resultCode = eSIR_SME_SUCCESS; } else { limLog( pMac, LOGE, FL( "WDA_ADD_BSS_REQ failed with status %d" ),pAddBssParams->status ); mlmStartCnf.resultCode = eSIR_SME_HAL_SEND_MESSAGE_FAIL; } mlmStartCnf.sessionId = psessionEntry->peSessionId; limPostSmeMessage( pMac, LIM_MLM_START_CNF, (tANI_U32 *) &mlmStartCnf ); end: if( 0 != limMsgQ->bodyptr ) { vos_mem_zero(pAddBssParams, sizeof(tAddBssParams)); vos_mem_free(pAddBssParams); limMsgQ->bodyptr = NULL; } } /** * @function : limHandleAddBssInReAssocContext * @brief : While Processing the ReAssociation Response Frame in STA, * a. immediately after receiving the Reassoc Response the RxCleanUp is * being issued and the end of DelBSS the new BSS is being added. * * b .If an AP rejects the ReAssociation (Disassoc / Deauth) with some context * change, We need to update CSR with ReAssocCNF Response with the * ReAssoc Fail and the reason Code, that is also being handled in the DELBSS * context only * * @param : pMac - tpAniSirGlobal * pStaDs - Station Descriptor * * @return : none */ void limHandleAddBssInReAssocContext(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpPESession psessionEntry) { tLimMlmReassocCnf mlmReassocCnf; /** Skipped the DeleteDPH Hash Entry as we need it for the new BSS*/ /** Set the MlmState to IDLE*/ psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); switch (psessionEntry->limSmeState) { case eLIM_SME_WT_REASSOC_STATE : { tpSirAssocRsp assocRsp; tpDphHashNode pStaDs; tSirRetStatus retStatus = eSIR_SUCCESS; tSchBeaconStruct *pBeaconStruct; pBeaconStruct = vos_mem_malloc(sizeof(tSchBeaconStruct)); if ( NULL == pBeaconStruct ) { limLog(pMac, LOGE, FL("Unable to allocate memory in limHandleAddBssInReAssocContext") ); mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_SME_RESOURCES_UNAVAILABLE; goto Error; } // Get the AP entry from DPH hash table pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if (pStaDs == NULL ) { PELOGE(limLog(pMac, LOGE, FL("Fail to get STA PEER entry from hash"));) mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_SME_SUCCESS; vos_mem_free(pBeaconStruct); goto Error; } /** While Processing the ReAssoc Response Frame the ReAssocRsp Frame * is being stored to be used here for sending ADDBSS */ assocRsp = (tpSirAssocRsp)psessionEntry->limAssocResponseData; limUpdateAssocStaDatas(pMac, pStaDs, assocRsp, psessionEntry); limUpdateReAssocGlobals(pMac, assocRsp, psessionEntry); limExtractApCapabilities(pMac, (tANI_U8 *) psessionEntry->pLimReAssocReq->bssDescription.ieFields, GET_IE_LEN_IN_BSS( psessionEntry->pLimReAssocReq->bssDescription.length), pBeaconStruct); if(pMac->lim.gLimProtectionControl != WNI_CFG_FORCE_POLICY_PROTECTION_DISABLE) limDecideStaProtectionOnAssoc(pMac, pBeaconStruct, psessionEntry); if(pBeaconStruct->erpPresent) { if (pBeaconStruct->erpIEInfo.barkerPreambleMode) psessionEntry->beaconParams.fShortPreamble = 0; else psessionEntry->beaconParams.fShortPreamble = 1; } if (eSIR_SUCCESS != limStaSendAddBss( pMac, assocRsp, pBeaconStruct, &psessionEntry->pLimReAssocReq->bssDescription, true, psessionEntry)) { limLog( pMac, LOGE, FL( "Posting ADDBSS in the ReAssocContext has Failed ")); retStatus = eSIR_FAILURE; } if (retStatus != eSIR_SUCCESS) { mlmReassocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmReassocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; vos_mem_free(assocRsp); pMac->lim.gLimAssocResponseData = NULL; vos_mem_free(pBeaconStruct); goto Error; } vos_mem_free(assocRsp); psessionEntry->limAssocResponseData = NULL; vos_mem_free(pBeaconStruct); } break; case eLIM_SME_WT_REASSOC_LINK_FAIL_STATE: { /** Case wherein the DisAssoc / Deauth * being sent as response to ReAssoc Req*/ /** Send the Reason code as the same received in Disassoc / Deauth Frame*/ mlmReassocCnf.resultCode = pStaDs->mlmStaContext.disassocReason; mlmReassocCnf.protStatusCode = pStaDs->mlmStaContext.cleanupTrigger; /** Set the SME State back to WT_Reassoc State*/ psessionEntry->limSmeState = eLIM_SME_WT_REASSOC_STATE; limDeleteDphHashEntry(pMac, pStaDs->staAddr, pStaDs->assocId, psessionEntry); if(psessionEntry->limSystemRole == eLIM_STA_ROLE) { psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); } limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } break; default: PELOGE(limLog(pMac, LOGE, FL("DelBss is being invoked in the wrong system Role /unhandled SME State"));) mlmReassocCnf.resultCode = eSIR_SME_REFUSED; mlmReassocCnf.protStatusCode = eSIR_SME_UNEXPECTED_REQ_RESULT_CODE; goto Error; } return; Error: limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmReassocCnf); } #if 0 static void limProcessSmeAssocCnfNew(tpAniSirGlobal pMac, tANI_U32 msgType, tANI_U32 *pMsgBuf) { tSirSmeAssocCnf assocCnf; tpDphHashNode pStaDs; tpPESession psessionEntry; tANI_U8 sessionId; if(pMsgBuf == NULL) { limLog(pMac, LOGE, FL("pMsgBuf is NULL ")); goto end; } if ((limAssocCnfSerDes(pMac, &assocCnf, (tANI_U8 *) pMsgBuf) == eSIR_FAILURE) || !__limIsSmeAssocCnfValid(&assocCnf)) { limLog(pMac, LOGE, FL("Received invalid SME_RE(ASSOC)_CNF message ")); goto end; } if((psessionEntry = peFindSessionByBssid(pMac, assocCnf.bssId, &sessionId))== NULL) { limLog(pMac, LOGE, FL("session does not exist for given bssId")); goto end; } if ( ((psessionEntry->limSystemRole != eLIM_AP_ROLE) && (psessionEntry->limSystemRole != eLIM_BT_AMP_AP_ROLE)) || ((psessionEntry->limSmeState != eLIM_SME_NORMAL_STATE) && (psessionEntry->limSmeState != eLIM_SME_NORMAL_CHANNEL_SCAN_STATE))) { limLog(pMac, LOGE, FL("Received unexpected message %X in state %X, in role %X"), msgType, psessionEntry->limSmeState , psessionEntry->limSystemRole); goto end; } pStaDs = dphGetHashEntry(pMac, assocCnf.aid, &psessionEntry->dph.dphHashTable); if (pStaDs == NULL) { limLog(pMac, LOG1, FL("Received invalid message %X due to no STA context, for aid %d, peer "), msgType, assocCnf.aid); limPrintMacAddr(pMac, assocCnf.peerMacAddr, LOG1); /* ** send a DISASSOC_IND message to WSM to make sure ** the state in WSM and LIM is the same **/ limSendSmeDisassocNtf( pMac, assocCnf.peerMacAddr, eSIR_SME_STA_NOT_ASSOCIATED, eLIM_PEER_ENTITY_DISASSOC, assocCnf.aid,psessionEntry->smeSessionId,psessionEntry->transactionId,psessionEntry); goto end; } if ((pStaDs && (( !vos_mem_compare((tANI_U8 *) pStaDs->staAddr, (tANI_U8 *) assocCnf.peerMacAddr, sizeof(tSirMacAddr)) ) || (pStaDs->mlmStaContext.mlmState != eLIM_MLM_WT_ASSOC_CNF_STATE) || ((pStaDs->mlmStaContext.subType == LIM_ASSOC) && (msgType != eWNI_SME_ASSOC_CNF)) || ((pStaDs->mlmStaContext.subType == LIM_REASSOC) && (msgType != eWNI_SME_REASSOC_CNF))))) { limLog(pMac, LOG1, FL("Received invalid message %X due to peerMacAddr mismatched or not in eLIM_MLM_WT_ASSOC_CNF_STATE state, for aid %d, peer "), msgType, assocCnf.aid); limPrintMacAddr(pMac, assocCnf.peerMacAddr, LOG1); goto end; } /* ** Deactivate/delet CNF_WAIT timer since ASSOC_CNF ** has been received **/ limLog(pMac, LOG1, FL("Received SME_ASSOC_CNF. Delete Timer")); limDeactivateAndChangePerStaIdTimer(pMac, eLIM_CNF_WAIT_TIMER, pStaDs->assocId); if (assocCnf.statusCode == eSIR_SME_SUCCESS) { /* In BTAMP-AP, PE already finished the WDA_ADD_STA sequence * when it had received Assoc Request frame. Now, PE just needs to send * Association Response frame to the requesting BTAMP-STA. */ pStaDs->mlmStaContext.mlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; limLog(pMac, LOG1, FL("sending Assoc Rsp frame to STA (assoc id=%d) "), pStaDs->assocId); limSendAssocRspMgmtFrame( pMac, eSIR_SUCCESS, pStaDs->assocId, pStaDs->staAddr, pStaDs->mlmStaContext.subType, pStaDs, psessionEntry); goto end; } // (assocCnf.statusCode == eSIR_SME_SUCCESS) else { // SME_ASSOC_CNF status is non-success, so STA is not allowed to be associated limRejectAssociation(pMac, pStaDs->staAddr, pStaDs->mlmStaContext.subType, true, pStaDs->mlmStaContext.authType, pStaDs->assocId, true, assocCnf.statusCode, psessionEntry); return; } end: if ( psessionEntry->parsedAssocReq[pStaDs->assocId] != NULL ) { if ( ((tpSirAssocReq)(psessionEntry->parsedAssocReq[pStaDs->assocId]))->assocReqFrame) { vos_mem_free(((tpSirAssocReq)(psessionEntry->parsedAssocReq[pStaDs->assocId]))->assocReqFrame); ((tpSirAssocReq)(psessionEntry->parsedAssocReq[pStaDs->assocId]))->assocReqFrame = NULL; } vos_mem_free(psessionEntry->parsedAssocReq[pStaDs->assocId]); psessionEntry->parsedAssocReq[pStaDs->assocId] = NULL; } } /*** end __limProcessSmeAssocCnfNew() ***/ #endif void limSendBeaconInd(tpAniSirGlobal pMac, tpPESession psessionEntry){ tBeaconGenParams *pBeaconGenParams = NULL; tSirMsgQ limMsg; /** Allocate the Memory for Beacon Pre Message and for Stations in PoweSave*/ if(psessionEntry == NULL ){ PELOGE( limLog( pMac, LOGE, FL( "Error:Unable to get the PESessionEntry" ));) return; } pBeaconGenParams = vos_mem_malloc(sizeof(*pBeaconGenParams)); if ( NULL == pBeaconGenParams ) { PELOGE( limLog( pMac, LOGP, FL( "Unable to allocate memory during sending beaconPreMessage" ));) return; } vos_mem_set(pBeaconGenParams, sizeof(*pBeaconGenParams), 0); vos_mem_copy((void *) pBeaconGenParams->bssId, (void *)psessionEntry->bssId, SIR_MAC_ADDR_LENGTH ); limMsg.bodyptr = pBeaconGenParams; schProcessPreBeaconInd(pMac, &limMsg); return; } void limSendScanOffloadComplete(tpAniSirGlobal pMac, tSirResultCodes reasonCode) { tANI_U16 scanRspLen = 0; pMac->lim.gLimSmeScanResultLength += pMac->lim.gLimMlmScanResultLength; pMac->lim.gLimRspReqd = false; if ((reasonCode == eSIR_SME_SUCCESS) || pMac->lim.gLimSmeScanResultLength) { scanRspLen = sizeof(tSirSmeScanRsp) + pMac->lim.gLimSmeScanResultLength - sizeof(tSirBssDescription); } else scanRspLen = sizeof(tSirSmeScanRsp); limSendSmeScanRsp(pMac, scanRspLen, reasonCode, pMac->lim.gSmeSessionId, pMac->lim.gTransactionId); } void limProcessRxScanEvent(tpAniSirGlobal pMac, void *buf) { tSirScanOffloadEvent *pScanEvent = (tSirScanOffloadEvent *) buf; VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO, "scan_id = %u", pScanEvent->scanId); switch (pScanEvent->event) { case SCAN_EVENT_STARTED: break; case SCAN_EVENT_START_FAILED: case SCAN_EVENT_COMPLETED: limSendScanOffloadComplete(pMac, pScanEvent->reasonCode); break; case SCAN_EVENT_BSS_CHANNEL: case SCAN_EVENT_FOREIGN_CHANNEL: case SCAN_EVENT_DEQUEUED: case SCAN_EVENT_PREEMPTED: default: VOS_TRACE(VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_DEBUG, "Received unhandled scan event %u", pScanEvent->event); } } void limProcessMlmSpoofMacAddrRsp(tpAniSirGlobal pMac, tSirRetStatus rspStatus) { tANI_U32 val; if (wlan_cfgGetInt(pMac, WNI_CFG_ENABLE_MAC_ADDR_SPOOFING, &val) != eSIR_SUCCESS) { limLog(pMac, LOGP, FL("fail to Get WNI_CFG_ENABLE_MAC_ADDR_SPOOFING")); /*If we here means mac spoofing is enable. So enable both Host and FW spoofing */ val = 1; } if ((rspStatus != eSIR_SUCCESS) || (val != 1) || (TRUE == vos_is_macaddr_zero((v_MACADDR_t *)&pMac->lim.spoofMacAddr))) { limLog(pMac, LOG1, FL(" LIM Disabling Spoofing %d"), val); pMac->lim.isSpoofingEnabled = FALSE; } else { limLog(pMac, LOG1, FL(" LIM Enabling Spoofing")); pMac->lim.isSpoofingEnabled = TRUE; } return; } void limSwitchChannelResumeLinkRsp(tpAniSirGlobal pMac, eHalStatus status, tANI_U32* mlmAddBssRsp) { if (status != eHAL_STATUS_SUCCESS) { limLog(pMac, LOGE, FL(" CSA failed to get the response for resume link")); } return; }