| /* |
| * 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; cnt<pAssocRsp->num_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() ***/ |
| |