/* * Copyright (c) 2012-2017 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 limProcessAssocRspFrame.cc contains the code * for processing Re/Association Response Frame. * Author: Chandra Modumudi * Date: 03/18/02 * History:- * Date Modified by Modification Information * -------------------------------------------------------------------- * */ #include "wniApi.h" #include "wniCfg.h" #include "aniGlobal.h" #include "cfgApi.h" #include "utilsApi.h" #include "pmmApi.h" #include "limTypes.h" #include "limUtils.h" #include "limAssocUtils.h" #include "limSecurityUtils.h" #include "limSerDesUtils.h" #include "limStaHashApi.h" #include "limSendMessages.h" #if defined(FEATURE_WLAN_ESE) && !defined(FEATURE_WLAN_ESE_UPLOAD) #include "eseApi.h" #endif #ifdef WLAN_FEATURE_LFR_MBB #include "lim_mbb.h" #endif extern tSirRetStatus schBeaconEdcaProcess(tpAniSirGlobal pMac, tSirMacEdcaParamSetIE *edca, tpPESession psessionEntry); /** * @function : limUpdateAssocStaDatas * * @brief : This function is called to Update the Station Descriptor (dph) Details from * Association / ReAssociation Response Frame * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac - Pointer to Global MAC structure * @param pStaDs - Station Descriptor in DPH * @param pAssocRsp - Pointer to Association Response Structure * * @return None */ void limUpdateAssocStaDatas(tpAniSirGlobal pMac, tpDphHashNode pStaDs, tpSirAssocRsp pAssocRsp,tpPESession psessionEntry) { tANI_U32 prop; tANI_U32 phyMode; tANI_U32 val; //tpSirBoardCapabilities pBoardCaps; tANI_BOOLEAN qosMode; tANI_U16 rxHighestRate = 0; uint32_t shortgi_20mhz_support; uint32_t shortgi_40mhz_support; limGetPhyMode(pMac, &phyMode, psessionEntry); pStaDs->staType= STA_ENTRY_SELF; limGetQosMode(psessionEntry, &qosMode); // set the ani peer bit, if self mode is one of the proprietary modes if(IS_DOT11_MODE_PROPRIETARY(psessionEntry->dot11mode)) { wlan_cfgGetInt(pMac, WNI_CFG_PROPRIETARY_ANI_FEATURES_ENABLED, &prop); if (prop) { pStaDs->aniPeer = eHAL_SET; pStaDs->propCapability = pAssocRsp->propIEinfo.capability; } } //pMac->lim.gLimMlmState = eLIM_MLM_LINK_ESTABLISHED_STATE; pStaDs->mlmStaContext.authType = psessionEntry->limCurrentAuthType; // Add capabilities information, rates and AID pStaDs->mlmStaContext.capabilityInfo = pAssocRsp->capabilityInfo; pStaDs->shortPreambleEnabled= (tANI_U8)pAssocRsp->capabilityInfo.shortPreamble; //Update HT Capabilites only when the self mode supports HT if(IS_DOT11_MODE_HT(psessionEntry->dot11mode)) { pStaDs->mlmStaContext.htCapability = pAssocRsp->HTCaps.present; if ( pAssocRsp->HTCaps.present ) { pStaDs->htGreenfield = ( tANI_U8 ) pAssocRsp->HTCaps.greenField; if (psessionEntry->htSupportedChannelWidthSet) { pStaDs->htSupportedChannelWidthSet = ( tANI_U8 ) (pAssocRsp->HTCaps.supportedChannelWidthSet ? pAssocRsp->HTInfo.recommendedTxWidthSet : pAssocRsp->HTCaps.supportedChannelWidthSet ); } else { pStaDs->htSupportedChannelWidthSet = eHT_CHANNEL_WIDTH_20MHZ; } pStaDs->htLsigTXOPProtection = ( tANI_U8 ) pAssocRsp->HTCaps.lsigTXOPProtection; pStaDs->htMIMOPSState = (tSirMacHTMIMOPowerSaveState)pAssocRsp->HTCaps.mimoPowerSave; pStaDs->htMaxAmsduLength = ( tANI_U8 ) pAssocRsp->HTCaps.maximalAMSDUsize; pStaDs->htAMpduDensity = pAssocRsp->HTCaps.mpduDensity; pStaDs->htDsssCckRate40MHzSupport = (tANI_U8)pAssocRsp->HTCaps.dsssCckMode40MHz; pStaDs->htMaxRxAMpduFactor = pAssocRsp->HTCaps.maxRxAMPDUFactor; limFillRxHighestSupportedRate(pMac, &rxHighestRate, pAssocRsp->HTCaps.supportedMCSSet); pStaDs->supportedRates.rxHighestDataRate = rxHighestRate; /* This is for AP as peer STA and we are INFRA STA. We will put APs offset in dph node which is peer STA */ pStaDs->htSecondaryChannelOffset = (tANI_U8)pAssocRsp->HTInfo.secondaryChannelOffset; //FIXME_AMPDU // In the future, may need to check for "assoc.HTCaps.delayedBA" // For now, it is IMMEDIATE BA only on ALL TID's pStaDs->baPolicyFlag = 0xFF; /* * Check if we have support for gShortGI20Mhz and * gShortGI40Mhz from ini file. */ if (HAL_STATUS_SUCCESS(ccmCfgGetInt(pMac, WNI_CFG_SHORT_GI_20MHZ, &shortgi_20mhz_support))) { if (VOS_TRUE == shortgi_20mhz_support) pStaDs->htShortGI20Mhz = (tANI_U8)pAssocRsp->HTCaps.shortGI20MHz; else pStaDs->htShortGI20Mhz = VOS_FALSE; } else { limLog(pMac, LOGE, FL("could not retrieve shortGI 20Mhz CFG," "setting value to default")); pStaDs->htShortGI20Mhz = WNI_CFG_SHORT_GI_20MHZ_STADEF; } if (HAL_STATUS_SUCCESS(ccmCfgGetInt(pMac, WNI_CFG_SHORT_GI_40MHZ, &shortgi_40mhz_support))) { if (VOS_TRUE == shortgi_40mhz_support) pStaDs->htShortGI40Mhz = (tANI_U8)pAssocRsp->HTCaps.shortGI40MHz; else pStaDs->htShortGI40Mhz = VOS_FALSE; } else { limLog(pMac, LOGE, FL("could not retrieve shortGI 40Mhz CFG," "setting value to default")); pStaDs->htShortGI40Mhz = WNI_CFG_SHORT_GI_40MHZ_STADEF; } } } #ifdef WLAN_FEATURE_11AC if(IS_DOT11_MODE_VHT(psessionEntry->dot11mode)) { pStaDs->mlmStaContext.vhtCapability = pAssocRsp->VHTCaps.present; if (pAssocRsp->VHTCaps.present && psessionEntry->htSupportedChannelWidthSet) pStaDs->vhtSupportedChannelWidthSet = pAssocRsp->VHTOperation.chanWidth; } if (limPopulatePeerRateSet(pMac, &pStaDs->supportedRates, pAssocRsp->HTCaps.supportedMCSSet, false,psessionEntry , &pAssocRsp->VHTCaps) != eSIR_SUCCESS) #else if (limPopulatePeerRateSet(pMac, &pStaDs->supportedRates, pAssocRsp->HTCaps.supportedMCSSet, false,psessionEntry) != eSIR_SUCCESS) #endif { limLog(pMac, LOGP, FL("could not get rateset and extended rate set")); return; } //If one of the rates is 11g rates, set the ERP mode. if ((phyMode == WNI_CFG_PHY_MODE_11G) && sirIsArate(pStaDs->supportedRates.llaRates[0] & 0x7f)) pStaDs->erpEnabled = eHAL_SET; val = WNI_CFG_PROPRIETARY_OPERATIONAL_RATE_SET_LEN; if (wlan_cfgGetStr(pMac, WNI_CFG_PROPRIETARY_OPERATIONAL_RATE_SET, (tANI_U8 *) &pStaDs->mlmStaContext.propRateSet.propRate, &val) != eSIR_SUCCESS) { /// Could not get prop rateset from CFG. Log error. limLog(pMac, LOGP, FL("could not retrieve prop rateset")); return; } pStaDs->mlmStaContext.propRateSet.numPropRates = (tANI_U8) val; pStaDs->qosMode = 0; pStaDs->lleEnabled = 0; // update TSID to UP mapping //if (pMac->lim.gLimQosEnabled) if (qosMode) { if (pAssocRsp->edcaPresent) { tSirRetStatus status; status = schBeaconEdcaProcess(pMac,&pAssocRsp->edca, psessionEntry); PELOG2(limLog(pMac, LOG2, "Edca set update based on AssocRsp: status %d", status);) if (status != eSIR_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Edca error in AssocResp "));) } else { // update default tidmap based on ACM pStaDs->qosMode = 1; pStaDs->lleEnabled = 1; } } } pStaDs->wmeEnabled = 0; pStaDs->wsmEnabled = 0; if (psessionEntry->limWmeEnabled && pAssocRsp->wmeEdcaPresent) { tSirRetStatus status; status = schBeaconEdcaProcess(pMac,&pAssocRsp->edca, psessionEntry); PELOGW(limLog(pMac, LOGW, "WME Edca set update based on AssocRsp: status %d", status);) if (status != eSIR_SUCCESS) PELOGE(limLog(pMac, LOGE, FL("WME Edca error in AssocResp - ignoring"));) else { // update default tidmap based on HashACM pStaDs->qosMode = 1; pStaDs->wmeEnabled = 1; } } else { /* We received assoc rsp from a legacy AP. So fill in the default * local EDCA params. This is needed (refer to bug #14989) as we'll * be passing the gLimEdcaParams to HAL in limProcessStaMlmAddBssRsp(). */ schSetDefaultEdcaParams(pMac, psessionEntry); } if(qosMode && (!pStaDs->qosMode) && pStaDs->mlmStaContext.htCapability) { // Enable QOS for all HT AP's even though WMM or 802.11E IE is not present pStaDs->qosMode = 1; pStaDs->wmeEnabled = 1; } #ifdef WLAN_FEATURE_11W if(psessionEntry->limRmfEnabled) { pStaDs->rmfEnabled = 1; } #endif } /** * @function : limUpdateReAssocGlobals * * @brief : This function is called to Update the Globals (LIM) during ReAssoc. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac - Pointer to Global MAC structure * @param pAssocRsp - Pointer to Association Response Structure * * @return None */ void limUpdateReAssocGlobals(tpAniSirGlobal pMac, tpSirAssocRsp pAssocRsp,tpPESession psessionEntry) { /** * Update the status for PMM module */ pmmResetPmmState(pMac); // Update the current Bss Information vos_mem_copy(psessionEntry->bssId, psessionEntry->limReAssocbssId, sizeof(tSirMacAddr)); psessionEntry->currentOperChannel = psessionEntry->limReassocChannelId; psessionEntry->htSecondaryChannelOffset = psessionEntry->reAssocHtSupportedChannelWidthSet; psessionEntry->htRecommendedTxWidthSet = psessionEntry->reAssocHtRecommendedTxWidthSet; psessionEntry->htSecondaryChannelOffset = psessionEntry->reAssocHtSecondaryChannelOffset; psessionEntry->limCurrentBssCaps = psessionEntry->limReassocBssCaps; psessionEntry->limCurrentBssQosCaps = psessionEntry->limReassocBssQosCaps; psessionEntry->limCurrentBssPropCap = psessionEntry->limReassocBssPropCap; vos_mem_copy((tANI_U8 *) &psessionEntry->ssId, (tANI_U8 *) &psessionEntry->limReassocSSID, psessionEntry->limReassocSSID.length+1); // Store assigned AID for TIM processing psessionEntry->limAID = pAssocRsp->aid & 0x3FFF; /** Set the State Back to ReAssoc Rsp*/ psessionEntry->limMlmState = eLIM_MLM_WT_REASSOC_RSP_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); } /** * @function : limProcessAssocRspFrame * * @brief : This function is called by limProcessMessageQueue() upon * Re/Association Response frame reception. * *LOGIC: * *ASSUMPTIONS: * *NOTE: * * @param pMac - Pointer to Global MAC structure * @param *pRxPacketInfo - A pointer to Rx packet info structure * @param subType - Indicates whether it is Association Response (=0) or * Reassociation Response (=1) frame * * @return None */ void limProcessAssocRspFrame(tpAniSirGlobal pMac, tANI_U8 *pRxPacketInfo, tANI_U8 subType,tpPESession psessionEntry) { tANI_U8 *pBody; tANI_U16 caps; tANI_U32 frameLen; tSirMacAddr currentBssId; tpSirMacMgmtHdr pHdr; tSirMacCapabilityInfo localCapabilities; tpDphHashNode pStaDs; tpSirAssocRsp pAssocRsp; tLimMlmAssocCnf mlmAssocCnf; tSchBeaconStruct *pBeaconStruct; //Initialize status code to success. pHdr = WDA_GET_RX_MAC_HEADER(pRxPacketInfo); mlmAssocCnf.resultCode = eSIR_SME_SUCCESS; /* Update PE session Id*/ mlmAssocCnf.sessionId = psessionEntry->peSessionId; limLog(pMac, LOG1, FL("received Re/Assoc(%d) resp on sessionid: %d with systemrole: %d " "and mlmstate: %d RSSI %d from "MAC_ADDRESS_STR),subType, psessionEntry->peSessionId, psessionEntry->limSystemRole,psessionEntry->limMlmState, (uint)abs((tANI_S8)WDA_GET_RX_RSSI_DB(pRxPacketInfo)), MAC_ADDR_ARRAY(pHdr->sa)); pBeaconStruct = vos_mem_malloc(sizeof(tSchBeaconStruct)); if (NULL == pBeaconStruct) { limLog(pMac, LOGE, FL("Unable to allocate memory") ); return; } if (psessionEntry->limSystemRole == eLIM_AP_ROLE || psessionEntry->limSystemRole == eLIM_BT_AMP_AP_ROLE ) { // Should not have received Re/Association Response // frame on AP. Log error limLog(pMac, LOGE, FL("Should not recieved Re/Assoc Response in role %d "), psessionEntry->limSystemRole); vos_mem_free(pBeaconStruct); return; } pHdr = WDA_GET_RX_MAC_HEADER(pRxPacketInfo); frameLen = WDA_GET_RX_PAYLOAD_LEN(pRxPacketInfo); if (((subType == LIM_ASSOC) && (psessionEntry->limMlmState != eLIM_MLM_WT_ASSOC_RSP_STATE)) || ((subType == LIM_REASSOC) && ((psessionEntry->limMlmState != eLIM_MLM_WT_REASSOC_RSP_STATE) #if defined (WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_ESE) || defined(FEATURE_WLAN_LFR) && (psessionEntry->limMlmState != eLIM_MLM_WT_FT_REASSOC_RSP_STATE) #endif ))) { /// Received unexpected Re/Association Response frame #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG limLog(pMac, LOG1, FL("Recieved Re/Assoc rsp in unexpected " "state %d on session=%d"), psessionEntry->limMlmState, psessionEntry->peSessionId); #endif // Log error if (!pHdr->fc.retry) { if ( !(pMac->lim.retryPacketCnt & 0xf)) { limLog(pMac, LOGE, FL("received Re/Assoc rsp frame is not a retry frame, " "frame count %d"), ++pMac->lim.retryPacketCnt); limPrintMlmState(pMac, LOGE, psessionEntry->limMlmState); } else { pMac->lim.retryPacketCnt++; } } vos_mem_free(pBeaconStruct); return; } #if 0 if (wlan_cfgGetStr(pMac, WNI_CFG_BSSID, currentBssId, &cfg) != eSIR_SUCCESS) { /// Could not get BSSID from CFG. Log error. limLog(pMac, LOGP, FL("could not retrieve BSSID")); vos_mem_free(pBeaconStruct); return; } #endif //TO SUPPORT BT-AMP sirCopyMacAddr(currentBssId,psessionEntry->bssId); if (subType == LIM_ASSOC) { if (!vos_mem_compare(pHdr->sa, currentBssId, sizeof(tSirMacAddr))) { /** * Received Association Response frame from an entity * other than one to which request was initiated. * Ignore this and wait until Association Failure Timeout. */ // Log error PELOGW(limLog(pMac, LOGW, FL("received AssocRsp frame from unexpected peer "MAC_ADDRESS_STR), MAC_ADDR_ARRAY(pHdr->sa));) vos_mem_free(pBeaconStruct); return; } } else { if (!vos_mem_compare(pHdr->sa, psessionEntry->limReAssocbssId, sizeof(tSirMacAddr))) { /** * Received Reassociation Response frame from an entity * other than one to which request was initiated. * Ignore this and wait until Reassociation Failure Timeout. */ // Log error PELOGW(limLog(pMac, LOGW, FL("received ReassocRsp frame from unexpected peer "MAC_ADDRESS_STR), MAC_ADDR_ARRAY(pHdr->sa));) vos_mem_free(pBeaconStruct); return; } } pAssocRsp = vos_mem_malloc(sizeof(*pAssocRsp)); if (NULL == pAssocRsp) { limLog(pMac, LOGP, FL("Allocate Memory failed in AssocRsp")); vos_mem_free(pBeaconStruct); return; } // Get pointer to Re/Association Response frame body pBody = WDA_GET_RX_MPDU_DATA(pRxPacketInfo); // parse Re/Association Response frame. if (sirConvertAssocRespFrame2Struct( pMac, pBody, frameLen, pAssocRsp) == eSIR_FAILURE) { vos_mem_free(pAssocRsp); PELOGE(limLog(pMac, LOGE, FL("Parse error Assoc resp subtype %d," "length=%d"), frameLen,subType);) vos_mem_free(pBeaconStruct); return; } if(pAssocRsp->ExtCap.present) { struct s_ext_cap *p_ext_cap = (struct s_ext_cap *) pAssocRsp->ExtCap.bytes; limLog(pMac, LOG1, FL("Filling tdls prohibited in session entry")); psessionEntry->tdlsChanSwitProhibited = p_ext_cap->TDLSChanSwitProhibited; } if(!pAssocRsp->suppRatesPresent) { PELOGE(limLog(pMac, LOGE, FL("assoc response does not have supported rate set"));) vos_mem_copy(&pAssocRsp->supportedRates, &psessionEntry->rateSet, sizeof(tSirMacRateSet)); } mlmAssocCnf.protStatusCode = pAssocRsp->statusCode; if( psessionEntry->assocRsp != NULL ) { limLog(pMac, LOGW, FL("psessionEntry->assocRsp is not NULL freeing it " "and setting NULL")); vos_mem_free(psessionEntry->assocRsp); psessionEntry->assocRsp = NULL; } if (frameLen) { psessionEntry->assocRsp = vos_mem_malloc(frameLen); if (NULL == psessionEntry->assocRsp) { PELOGE(limLog(pMac, LOGE, FL("Unable to allocate memory to store assoc response, len = %d"), frameLen);) } else { //Store the Assoc response. This is sent to csr/hdd in join cnf response. vos_mem_copy(psessionEntry->assocRsp, pBody, frameLen); psessionEntry->assocRspLen = frameLen; } } #ifdef WLAN_FEATURE_VOWIFI_11R if (psessionEntry->ricData != NULL) { vos_mem_free(psessionEntry->ricData); psessionEntry->ricData = NULL; } if(pAssocRsp->ricPresent) { psessionEntry->RICDataLen = pAssocRsp->num_RICData * sizeof(tDot11fIERICDataDesc); if (psessionEntry->RICDataLen) { psessionEntry->ricData = vos_mem_malloc(psessionEntry->RICDataLen); if ( NULL == psessionEntry->ricData ) { PELOGE(limLog(pMac, LOGE, FL("Unable to allocate memory to store assoc response"));) psessionEntry->RICDataLen = 0; } else { vos_mem_copy(psessionEntry->ricData, &pAssocRsp->RICData[0], psessionEntry->RICDataLen); } } } else { limLog(pMac, LOG1, FL("Ric is not present Setting RICDataLen 0 and ricData " "as NULL")); psessionEntry->RICDataLen = 0; psessionEntry->ricData = NULL; } #endif #ifdef FEATURE_WLAN_ESE if (psessionEntry->tspecIes != NULL) { vos_mem_free(psessionEntry->tspecIes); psessionEntry->tspecIes = NULL; } if(pAssocRsp->tspecPresent) { psessionEntry->tspecLen = pAssocRsp->num_tspecs * sizeof(tDot11fIEWMMTSPEC); psessionEntry->tspecIes = vos_mem_malloc(psessionEntry->tspecLen); if ( NULL == psessionEntry->tspecIes ) { PELOGE(limLog(pMac, LOGE, FL("Unable to allocate memory to store assoc response"));) psessionEntry->tspecLen = 0; } else { vos_mem_copy(psessionEntry->tspecIes, &pAssocRsp->TSPECInfo[0], psessionEntry->tspecLen); } limLog(pMac, LOG1, FL(" Tspec EID present in assoc rsp ")); } else { psessionEntry->tspecLen = 0; psessionEntry->tspecIes = NULL; limLog(pMac, LOG1, FL(" Tspec EID *NOT* present in assoc rsp ")); } #endif if (pAssocRsp->capabilityInfo.ibss) { /** * Received Re/Association Response from peer * with IBSS capability set. * Ignore the frame and wait until Re/assoc * failure timeout. */ // Log error limLog(pMac, LOGE, FL("received Re/AssocRsp frame with IBSS capability")); vos_mem_free(pAssocRsp); vos_mem_free(pBeaconStruct); return; } if (cfgGetCapabilityInfo(pMac, &caps,psessionEntry) != eSIR_SUCCESS) { /** * Could not get Capabilities value * from CFG. Log error. */ vos_mem_free(pAssocRsp); vos_mem_free(pBeaconStruct); limLog(pMac, LOGP, FL("could not retrieve Capabilities value")); return; } limCopyU16((tANI_U8 *) &localCapabilities, caps); if (subType == LIM_ASSOC) // Stop Association failure timer limDeactivateAndChangeTimer(pMac, eLIM_ASSOC_FAIL_TIMER); else // Stop Reassociation failure timer { #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) limDeactivateAndChangeTimer(pMac, eLIM_REASSOC_MBB_RSP_TIMER); #endif #if defined (WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_ESE) || defined(FEATURE_WLAN_LFR) pMac->lim.reAssocRetryAttempt = 0; if ((NULL != pMac->lim.pSessionEntry) && (NULL != pMac->lim.pSessionEntry->pLimMlmReassocRetryReq)) { vos_mem_free(pMac->lim.pSessionEntry->pLimMlmReassocRetryReq); pMac->lim.pSessionEntry->pLimMlmReassocRetryReq = NULL; } #endif /* Dactivate timer when it is not LFR MBB */ if (!pMac->ft.ftSmeContext.is_preauth_lfr_mbb) limDeactivateAndChangeTimer(pMac, eLIM_REASSOC_FAIL_TIMER); } if (pAssocRsp->statusCode != eSIR_MAC_SUCCESS_STATUS) { // Re/Association response was received // either with failure code. // Log error. PELOGE(limLog(pMac, LOGE, FL("received Re/AssocRsp frame failure code %d"), pAssocRsp->statusCode);) // Need to update 'association failure' error counter // along with STATUS CODE // Return Assoc confirm to SME with received failure code if (pAssocRsp->propIEinfo.loadBalanceInfoPresent) { mlmAssocCnf.resultCode = eSIR_SME_TRANSFER_STA; vos_mem_copy(pMac->lim.gLimAlternateRadio.bssId, pAssocRsp->propIEinfo.alternateRadio.bssId, sizeof(tSirMacAddr)); pMac->lim.gLimAlternateRadio.channelId = pAssocRsp->propIEinfo.alternateRadio.channelId; }else mlmAssocCnf.resultCode = eSIR_SME_ASSOC_REFUSED; if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) goto assocReject; // Delete Pre-auth context for the associated BSS if (limSearchPreAuthList(pMac, pHdr->sa)) limDeletePreAuthNode(pMac, pHdr->sa); goto assocReject; } else if ((pAssocRsp->aid & 0x3FFF) > 2007) { // Re/Association response was received // with invalid AID value // Log error PELOGW(limLog(pMac, LOGE, FL("received Re/AssocRsp frame with" "invalid aid %X"), pAssocRsp->aid);) mlmAssocCnf.resultCode = eSIR_SME_INVALID_ASSOC_RSP_RXED; mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; // Send advisory Disassociation frame to AP limSendDisassocMgmtFrame(pMac, eSIR_MAC_UNSPEC_FAILURE_REASON, pHdr->sa, psessionEntry, FALSE); goto assocReject; } // Association Response received with success code /* * Set the link state to POSTASSOC now that we have received * assoc/reassoc response * NOTE: for BTAMP case, it is being handled in limProcessMlmAssocReq */ if (!pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { if (!((psessionEntry->bssType == eSIR_BTAMP_STA_MODE) || ((psessionEntry->bssType == eSIR_BTAMP_AP_MODE) && (psessionEntry->limSystemRole == eLIM_BT_AMP_STA_ROLE)))) { if (limSetLinkState(pMac, eSIR_LINK_POSTASSOC_STATE, psessionEntry->bssId, psessionEntry->selfMacAddr, NULL, NULL) != eSIR_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Set link state to POSTASSOC failed"));) vos_mem_free(pBeaconStruct); vos_mem_free(pAssocRsp); return; } } } if (subType == LIM_REASSOC) { // Log success limLog(pMac, LOG1, FL("Successfully Reassociated with BSS")); #ifdef FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_ROAM_ASSOC_COMP_EVENT, psessionEntry, eSIR_SUCCESS, eSIR_SUCCESS); #endif #ifdef FEATURE_WLAN_ESE { tANI_U8 cnt = 0; if (pAssocRsp->tsmPresent) { limLog(pMac, LOG1, "TSM IE Present in Reassoc Rsp"); // Start the TSM timer only if the TSPEC Ie is present in the reassoc rsp if (pAssocRsp->tspecPresent) { // Find the TSPEC IE with VO user priority for (cnt=0; cntnum_tspecs; cnt++) { if ( upToAc(pAssocRsp->TSPECInfo[cnt].user_priority) == EDCA_AC_VO) { psessionEntry->eseContext.tsm.tid = pAssocRsp->TSPECInfo[cnt].user_priority; vos_mem_copy(&psessionEntry->eseContext.tsm.tsmInfo, &pAssocRsp->tsmIE, sizeof(tSirMacESETSMIE)); #ifdef FEATURE_WLAN_ESE_UPLOAD limSendSmeTsmIEInd(pMac, psessionEntry, pAssocRsp->tsmIE.tsid, pAssocRsp->tsmIE.state, pAssocRsp->tsmIE.msmt_interval); #else limActivateTSMStatsTimer(pMac, psessionEntry); #endif /* FEATURE_WLAN_ESE_UPLOAD */ if(psessionEntry->eseContext.tsm.tsmInfo.state) { psessionEntry->eseContext.tsm.tsmMetrics.RoamingCount++; } break; } } } else { limLog(pMac, LOGE, "TSM present but TSPEC IE not present in Reassoc Rsp"); } } } #endif if (psessionEntry->pLimMlmJoinReq) { vos_mem_free(psessionEntry->pLimMlmJoinReq); psessionEntry->pLimMlmJoinReq = NULL; } psessionEntry->limAssocResponseData = (void *) pAssocRsp; /** Store the ReAssocRsp Frame in DphTable to be used during processing DelSta nd DelBss to send AddBss again*/ pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable); if(!pStaDs) { PELOGE(limLog(pMac, LOGE, FL("could not get hash entry at DPH for"));) limPrintMacAddr(pMac, pHdr->sa, LOGE); mlmAssocCnf.resultCode = eSIR_SME_INVALID_ASSOC_RSP_RXED; mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; // Send advisory Disassociation frame to AP limSendDisassocMgmtFrame(pMac, eSIR_MAC_UNSPEC_FAILURE_REASON, pHdr->sa, psessionEntry, FALSE); goto assocReject; } #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { limLog(pMac, LOG1, FL("Reassoc success for LFR MBB in state %d"), psessionEntry->limMlmState); if (psessionEntry->limMlmState == eLIM_MLM_WT_REASSOC_RSP_STATE) { lim_handle_reassoc_mbb_success(pMac, psessionEntry, pAssocRsp, pStaDs); return; } goto assocReject; } #endif #if defined(WLAN_FEATURE_VOWIFI_11R) || defined (FEATURE_WLAN_ESE) || defined(FEATURE_WLAN_LFR) if (psessionEntry->limMlmState == eLIM_MLM_WT_FT_REASSOC_RSP_STATE) { #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG PELOGE(limLog(pMac, LOG1, FL("Sending self sta"));) #endif pmmResetPmmState(pMac); limUpdateAssocStaDatas(pMac, pStaDs, pAssocRsp,psessionEntry); // Store assigned AID for TIM processing psessionEntry->limAID = pAssocRsp->aid & 0x3FFF; // 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); } limAddFTStaSelf(pMac, (pAssocRsp->aid & 0x3FFF), psessionEntry); vos_mem_free(pBeaconStruct); return; } #endif /* WLAN_FEATURE_VOWIFI_11R */ /* If we're re-associating to the same BSS, we don't want to invoke delete * STA, delete BSS, as that would remove the already established TSPEC. * Just go ahead and re-add the BSS, STA with new capability information. * However, if we're re-associating to a different BSS, then follow thru * with del STA, del BSS, add BSS, add STA. */ if (sirCompareMacAddr( psessionEntry->bssId, psessionEntry->limReAssocbssId)) limHandleAddBssInReAssocContext(pMac, pStaDs, psessionEntry); else { // reset the uapsd mask settings since we're re-associating to new AP pMac->lim.gUapsdPerAcDeliveryEnableMask = 0; pMac->lim.gUapsdPerAcTriggerEnableMask = 0; if (limCleanupRxPath(pMac, pStaDs,psessionEntry) != eSIR_SUCCESS) { PELOGE(limLog(pMac, LOGE, FL("Could not cleanup the rx path"));) goto assocReject; } } vos_mem_free(pBeaconStruct); return; } // Log success limLog(pMac, LOG1, FL("Successfully Associated with BSS "MAC_ADDRESS_STR), MAC_ADDR_ARRAY(pHdr->sa)); #ifdef FEATURE_WLAN_ESE if(psessionEntry->eseContext.tsm.tsmInfo.state) { psessionEntry->eseContext.tsm.tsmMetrics.RoamingCount = 0; } #endif /** * Update the status for PMM module */ pmmResetPmmState(pMac); // Store assigned AID for TIM processing psessionEntry->limAID = pAssocRsp->aid & 0x3FFF; //STA entry was created during pre-assoc state. if ((pStaDs = dphGetHashEntry(pMac, DPH_STA_HASH_INDEX_PEER, &psessionEntry->dph.dphHashTable)) == NULL) { // Could not add hash table entry PELOGE(limLog(pMac, LOGE, FL("could not get hash entry at DPH for "));) limPrintMacAddr(pMac, pHdr->sa, LOGE); mlmAssocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmAssocCnf.protStatusCode = eSIR_SME_SUCCESS; limPostSmeMessage(pMac, LIM_MLM_ASSOC_CNF, (tANI_U32 *) &mlmAssocCnf); vos_mem_free(pAssocRsp); vos_mem_free(pBeaconStruct); return; } // Delete Pre-auth context for the associated BSS if (limSearchPreAuthList(pMac, pHdr->sa)) limDeletePreAuthNode(pMac, pHdr->sa); limUpdateAssocStaDatas(pMac, pStaDs, pAssocRsp,psessionEntry); // Extract the AP capabilities from the beacon that was received earlier // TODO - Watch out for an error response! limExtractApCapabilities(pMac, (tANI_U8 *) psessionEntry->pLimJoinReq->bssDescription.ieFields, GET_IE_LEN_IN_BSS(psessionEntry->pLimJoinReq->bssDescription.length), pBeaconStruct); if (pBeaconStruct->VHTCaps.present) pStaDs->parsed_ies.vht_caps = pBeaconStruct->VHTCaps; if (pBeaconStruct->HTCaps.present) pStaDs->parsed_ies.ht_caps = pBeaconStruct->HTCaps; if (pBeaconStruct->hs20vendor_ie.present) pStaDs->parsed_ies.hs20vendor_ie = pBeaconStruct->hs20vendor_ie; if (pBeaconStruct->HTInfo.present) pStaDs->parsed_ies.ht_operation = pBeaconStruct->HTInfo; if (pBeaconStruct->VHTOperation.present) pStaDs->parsed_ies.vht_operation = pBeaconStruct->VHTOperation; if(pMac->lim.gLimProtectionControl != WNI_CFG_FORCE_POLICY_PROTECTION_DISABLE) limDecideStaProtectionOnAssoc(pMac, pBeaconStruct, psessionEntry); if(pBeaconStruct->erpPresent) { if (pBeaconStruct->erpIEInfo.barkerPreambleMode) psessionEntry->beaconParams.fShortPreamble = false; else psessionEntry->beaconParams.fShortPreamble = true; } #ifdef FEATURE_WLAN_DIAG_SUPPORT limDiagEventReport(pMac, WLAN_PE_DIAG_CONNECTED, psessionEntry, eSIR_SUCCESS, eSIR_SUCCESS); #endif if(pAssocRsp->OBSSScanParameters.present) { limUpdateOBSSScanParams(psessionEntry , &pAssocRsp->OBSSScanParameters); } if( pAssocRsp->QosMapSet.present ) { vos_mem_copy(&psessionEntry->QosMapSet, &pAssocRsp->QosMapSet, sizeof(tSirQosMapSet)); } else { vos_mem_zero(&psessionEntry->QosMapSet, sizeof(tSirQosMapSet)); } //Update the BSS Entry, this entry was added during preassoc. if( eSIR_SUCCESS == limStaSendAddBss( pMac, pAssocRsp, pBeaconStruct, &psessionEntry->pLimJoinReq->bssDescription, true, psessionEntry)) { vos_mem_free(pAssocRsp); vos_mem_free(pBeaconStruct); return; } else { PELOGE(limLog(pMac, LOGE, FL("could not update the bss entry"));) mlmAssocCnf.resultCode = eSIR_SME_RESOURCES_UNAVAILABLE; mlmAssocCnf.protStatusCode = eSIR_MAC_UNSPEC_FAILURE_STATUS; } assocReject: if ((subType == LIM_ASSOC) #ifdef WLAN_FEATURE_VOWIFI_11R || ((subType == LIM_REASSOC) && (psessionEntry->limMlmState == eLIM_MLM_WT_FT_REASSOC_RSP_STATE)) #endif ) { PELOGE(limLog(pMac, LOGE, FL("Assoc Rejected by the peer. " "mlmestate: %d sessionid %d Reason: %d MACADDR:" MAC_ADDRESS_STR), psessionEntry->limMlmState, psessionEntry->peSessionId, mlmAssocCnf.resultCode, MAC_ADDR_ARRAY(pHdr->sa));) psessionEntry->limMlmState = eLIM_MLM_IDLE_STATE; MTRACE(macTrace(pMac, TRACE_CODE_MLM_STATE, psessionEntry->peSessionId, psessionEntry->limMlmState)); if (psessionEntry->pLimMlmJoinReq) { vos_mem_free(psessionEntry->pLimMlmJoinReq); psessionEntry->pLimMlmJoinReq = NULL; } if (subType == LIM_ASSOC) { limPostSmeMessage(pMac, LIM_MLM_ASSOC_CNF, (tANI_U32 *) &mlmAssocCnf); } #ifdef WLAN_FEATURE_VOWIFI_11R else { mlmAssocCnf.resultCode = eSIR_SME_FT_REASSOC_FAILURE; limPostSmeMessage(pMac, LIM_MLM_REASSOC_CNF, (tANI_U32 *) &mlmAssocCnf); } #endif /* WLAN_FEATURE_VOWIFI_11R */ } else { #ifdef WLAN_FEATURE_LFR_MBB if (pMac->ft.ftSmeContext.is_preauth_lfr_mbb) { lim_handle_reassoc_mbb_fail(pMac, psessionEntry); vos_mem_free(pBeaconStruct); vos_mem_free(pAssocRsp); return; } #endif limRestorePreReassocState( pMac, eSIR_SME_REASSOC_REFUSED, mlmAssocCnf.protStatusCode,psessionEntry); } /* CR: vos packet memory is leaked when assoc rsp timeouted/failed. */ /* notify TL that association is failed so that TL can flush the cached frame */ limLog(pMac, LOG1, FL("notify TL that association is failed")); WLANTL_AssocFailed (psessionEntry->staId); vos_mem_free(pBeaconStruct); vos_mem_free(pAssocRsp); return; } /*** end limProcessAssocRspFrame() ***/