| /* |
| * Copyright (c) 2011-2014, 2016 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. |
| */ |
| |
| |
| /**========================================================================= |
| |
| \file sme_Rrm.c |
| |
| \brief implementation for SME RRM APIs |
| |
| ========================================================================*/ |
| |
| /* $Header$ */ |
| |
| #if defined WLAN_FEATURE_VOWIFI |
| /*-------------------------------------------------------------------------- |
| Include Files |
| ------------------------------------------------------------------------*/ |
| #include "aniGlobal.h" |
| #include "smeInside.h" |
| #include "sme_Api.h" |
| #include "smsDebug.h" |
| #include "cfgApi.h" |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| #include "vos_diag_core_event.h" |
| #include "vos_diag_core_log.h" |
| #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| |
| #include "csrInsideApi.h" |
| |
| #include "rrmGlobal.h" |
| |
| #if defined(FEATURE_WLAN_ESE) && !defined(FEATURE_WLAN_ESE_UPLOAD) |
| #include "csrEse.h" |
| #endif |
| |
| /* Roam score for a neighbor AP will be calculated based on the below definitions. |
| The calculated roam score will be used to select the roam able |
| candidate from neighbor AP list */ |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_REACHABILITY 0 /* When we support 11r over the DS, this should have a non-zero value */ |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_SECURITY 10 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_KEY_SCOPE 20 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_SPECTRUM_MGMT 0 /* Not used */ |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_QOS 5 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_APSD 3 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_RRM 8 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_DELAYED_BA 0 /* We dont support delayed BA */ |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_IMMEDIATE_BA 3 |
| #define RRM_ROAM_SCORE_NEIGHBOR_REPORT_MOBILITY_DOMAIN 30 |
| |
| #ifdef FEATURE_WLAN_ESE |
| #define RRM_ROAM_SCORE_NEIGHBOR_IAPP_LIST 30 |
| #endif |
| |
| v_TIME_t RRM_scan_timer; |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief rrmLLPurgeNeighborCache() - |
| This function purges all the entries in the neighbor cache and frees up all the internal nodes |
| |
| \param - pMac - Pointer to the Hal Handle. |
| - pList - Pointer the List that should be purged. |
| \return - void |
| |
| --------------------------------------------------------------------------*/ |
| static void rrmLLPurgeNeighborCache(tpAniSirGlobal pMac, tDblLinkList *pList) |
| { |
| tListElem *pEntry; |
| tRrmNeighborReportDesc *pNeighborReportDesc; |
| |
| csrLLLock(pList); |
| |
| while((pEntry = csrLLRemoveHead(pList, LL_ACCESS_NOLOCK)) != NULL) |
| { |
| pNeighborReportDesc = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| vos_mem_free(pNeighborReportDesc->pNeighborBssDescription); |
| vos_mem_free(pNeighborReportDesc); |
| } |
| |
| csrLLUnlock(pList); |
| |
| return; |
| } |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief rrmIndicateNeighborReportResult() - |
| This function calls the callback register by the caller while requesting for |
| neighbor report. This function gets invoked if a neighbor report is received from an AP |
| or neighbor response wait timer expires. |
| |
| \param - pMac - Pointer to the Hal Handle. |
| - vosStatus - VOS_STATUS_SUCCESS/VOS_STATUS_FAILURE based on whether a valid report is |
| received or neighbor timer expired |
| \return - void |
| |
| --------------------------------------------------------------------------*/ |
| void rrmIndicateNeighborReportResult(tpAniSirGlobal pMac, VOS_STATUS vosStatus) |
| { |
| NeighborReportRspCallback callback; |
| void *callbackContext; |
| |
| /* Reset the neighbor response pending status */ |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_FALSE; |
| |
| /* Stop the timer if it is already running. The timer should be running only in the SUCCESS case. */ |
| if (VOS_TIMER_STATE_RUNNING == vos_timer_getCurrentState(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer)) |
| { |
| smsLog( pMac, LOG1, FL("No entry in neighbor report cache")); |
| vos_timer_stop(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer); |
| } |
| callback = pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback; |
| callbackContext = pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext; |
| |
| /* Reset the callback and the callback context before calling the callback. It is very likely that there may be a registration in |
| callback itself. */ |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback = NULL; |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext = NULL; |
| |
| /* Call the callback with the status received from caller */ |
| if (callback) |
| callback(callbackContext, vosStatus); |
| #if defined(FEATURE_WLAN_ESE) && !defined(FEATURE_WLAN_ESE_UPLOAD) |
| // We came here with IAPP AP List |
| // Make sure we inform CSR of the neighbor list |
| // for ESE Associations. First clear the cache. |
| else |
| if (csrNeighborRoamIsESEAssoc(pMac)) |
| { |
| ProcessIAPPNeighborAPList(pMac); |
| } |
| #endif |
| |
| return; |
| |
| } |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief sme_RrmBeaconReportXmitInd() - |
| |
| Create and send the beacon report Xmit ind message to PE. |
| |
| \param - pMac - Pointer to the Hal Handle. |
| - pResult - scan result. |
| - measurementDone - flag to indicate that the measurement is done. |
| \return - 0 for success, non zero for failure |
| |
| --------------------------------------------------------------------------*/ |
| static eHalStatus sme_RrmSendBeaconReportXmitInd( tpAniSirGlobal pMac, |
| tCsrScanResultInfo **pResultArr, |
| tANI_U8 measurementDone, |
| tANI_U8 bss_count ) |
| { |
| tpSirBssDescription pBssDesc = NULL; |
| tpSirBeaconReportXmitInd pBeaconRep; |
| tANI_U16 length, ie_len, tot_len; |
| tANI_U8 bssCounter=0, msgCounter=0; |
| tCsrScanResultInfo *pCurResult=NULL; |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Beacon report xmit Ind to PE"); |
| #endif |
| |
| if( NULL == pResultArr && !measurementDone ) |
| { |
| smsLog( pMac, LOGE, "Beacon report xmit Ind to PE Failed"); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if (pResultArr) |
| pCurResult=pResultArr[bssCounter]; |
| |
| do |
| { |
| length = sizeof(tSirBeaconReportXmitInd); |
| pBeaconRep = vos_mem_malloc ( length ); |
| if ( NULL == pBeaconRep ) |
| { |
| smsLog( pMac, LOGP, "Unable to allocate memory for beacon report"); |
| return eHAL_STATUS_FAILED_ALLOC; |
| } |
| vos_mem_zero( pBeaconRep, length ); |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Allocated memory for pBeaconRep")); |
| #endif |
| pBeaconRep->messageType = eWNI_SME_BEACON_REPORT_RESP_XMIT_IND; |
| pBeaconRep->length = length; |
| pBeaconRep->uDialogToken = pSmeRrmContext->token; |
| pBeaconRep->duration = pSmeRrmContext->duration[0]; |
| pBeaconRep->regClass = pSmeRrmContext->regClass; |
| vos_mem_copy( pBeaconRep->bssId, pSmeRrmContext->sessionBssId, sizeof(tSirMacAddr) ); |
| |
| msgCounter=0; |
| while (pCurResult) |
| { |
| pBssDesc = &pCurResult->BssDescriptor; |
| if(pBssDesc != NULL) |
| { |
| ie_len = GET_IE_LEN_IN_BSS( pBssDesc->length ); |
| tot_len = ie_len+sizeof(tSirBssDescription); |
| pBeaconRep->pBssDescription[msgCounter] = |
| vos_mem_malloc(tot_len); |
| if (NULL == pBeaconRep->pBssDescription[msgCounter]) |
| break; |
| vos_mem_zero(pBeaconRep->pBssDescription[msgCounter], |
| tot_len); |
| vos_mem_copy( pBeaconRep->pBssDescription[msgCounter], |
| pBssDesc, |
| sizeof(tSirBssDescription) ); |
| vos_mem_copy( &pBeaconRep->pBssDescription[msgCounter]->ieFields[0], |
| pBssDesc->ieFields, ie_len ); |
| smsLog( pMac, LOG1, |
| "...RRM Result Bssid = "MAC_ADDRESS_STR" chan= %d, rssi = -%d", |
| MAC_ADDR_ARRAY(pBeaconRep->pBssDescription[msgCounter]->bssId), |
| pBeaconRep->pBssDescription[msgCounter]->channelId, |
| pBeaconRep->pBssDescription[msgCounter]->rssi * (-1)); |
| |
| pBeaconRep->numBssDesc++; |
| |
| if (++msgCounter >= SIR_BCN_REPORT_MAX_BSS_DESC) |
| break; |
| |
| pCurResult = pResultArr[bssCounter + msgCounter]; |
| } |
| else |
| { |
| pCurResult = NULL; |
| break; |
| } |
| } |
| |
| bssCounter+=msgCounter; |
| if (!pResultArr || (pCurResult == NULL) || (bssCounter >= bss_count)) |
| { |
| pCurResult = NULL; |
| smsLog(pMac, LOG1, |
| "Reached to the max/last BSS in pCurResult list"); |
| } |
| else |
| { |
| pCurResult = pResultArr[bssCounter]; |
| smsLog(pMac, LOG1, |
| "Move to the next BSS set in pCurResult list"); |
| } |
| |
| pBeaconRep->fMeasureDone = (pCurResult)?false:measurementDone; |
| |
| smsLog(pMac, LOG1, |
| "SME Sending BcnRepXmit to PE numBss %d msgCounter %d bssCounter %d", |
| pBeaconRep->numBssDesc, msgCounter, bssCounter); |
| |
| status = palSendMBMessage(pMac->hHdd, pBeaconRep); |
| |
| } while (pCurResult); |
| |
| return status; |
| } |
| |
| #if defined(FEATURE_WLAN_ESE_UPLOAD) |
| /**--------------------------------------------------------------------------- |
| |
| \brief sme_EseSendBeaconReqScanResults() |
| |
| This function sends up the scan results received as a part of |
| beacon request scanning. |
| This function is called after receiving the scan results per channel |
| Due to the limitation on the size of the IWEVCUSTOM buffer, we send 3 BSSIDs of |
| beacon report information in one custom event; |
| |
| \param - pMac - Pointer to the Hal Handle. |
| - sessionId - Session id |
| - channel - scan results belongs to this channel |
| - pResultArr - scan result. |
| - measurementDone - flag to indicate that the measurement is done. |
| - bss_count - number of bss found |
| \return - 0 for success, non zero for failure |
| |
| --------------------------------------------------------------------------*/ |
| static eHalStatus sme_EseSendBeaconReqScanResults(tpAniSirGlobal pMac, |
| tANI_U32 sessionId, |
| tANI_U8 channel, |
| tCsrScanResultInfo **pResultArr, |
| tANI_U8 measurementDone, |
| tANI_U8 bss_count) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tSirRetStatus fillIeStatus; |
| tpSirBssDescription pBssDesc = NULL; |
| tANI_U32 ie_len = 0; |
| tANI_U32 outIeLen = 0; |
| tANI_U8 bssCounter = 0; |
| tCsrScanResultInfo *pCurResult = NULL; |
| tANI_U8 msgCounter = 0; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tCsrRoamInfo roamInfo; |
| tSirEseBcnReportRsp bcnReport; |
| tpSirEseBcnReportRsp pBcnReport = &bcnReport; |
| tpCsrEseBeaconReqParams pCurMeasReqIe = NULL; |
| tANI_U8 i = 0; |
| |
| if (NULL == pSmeRrmContext) |
| { |
| smsLog( pMac, LOGE, "pSmeRrmContext is NULL"); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if (NULL == pResultArr && !measurementDone) |
| { |
| smsLog( pMac, LOGE, "Beacon report xmit Ind to HDD Failed"); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if (pResultArr) |
| pCurResult=pResultArr[bssCounter]; |
| |
| vos_mem_zero(&bcnReport, sizeof(tSirEseBcnReportRsp)); |
| do |
| { |
| pCurMeasReqIe = NULL; |
| for (i = 0; i < pSmeRrmContext->eseBcnReqInfo.numBcnReqIe; i++) |
| { |
| if(pSmeRrmContext->eseBcnReqInfo.bcnReq[i].channel == channel) |
| { |
| pCurMeasReqIe = &pSmeRrmContext->eseBcnReqInfo.bcnReq[i]; |
| break; |
| } |
| } |
| if(NULL != pCurMeasReqIe) |
| pBcnReport->measurementToken = pCurMeasReqIe->measurementToken; |
| smsLog( pMac, LOG1, "Channel(%d) MeasToken(%d)", channel, pBcnReport->measurementToken); |
| |
| msgCounter=0; |
| while (pCurResult) |
| { |
| pBssDesc = &pCurResult->BssDescriptor; |
| if (NULL != pBssDesc) |
| { |
| ie_len = GET_IE_LEN_IN_BSS( pBssDesc->length ); |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.ChanNum = pBssDesc->channelId; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.Spare = 0; |
| if(NULL != pCurMeasReqIe) |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.MeasDuration = pCurMeasReqIe->measurementDuration; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.PhyType = pBssDesc->nwType; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.RecvSigPower = pBssDesc->rssi; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.ParentTsf = pBssDesc->parentTSF; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.TargetTsf[0] = pBssDesc->timeStamp[0]; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.TargetTsf[1] = pBssDesc->timeStamp[1]; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.BcnInterval = pBssDesc->beaconInterval; |
| pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.CapabilityInfo = pBssDesc->capabilityInfo; |
| vos_mem_copy(pBcnReport->bcnRepBssInfo[msgCounter].bcnReportFields.Bssid, |
| pBssDesc->bssId, sizeof(tSirMacAddr)); |
| |
| fillIeStatus = sirFillBeaconMandatoryIEforEseBcnReport(pMac, |
| (tANI_U8 *)pBssDesc->ieFields, |
| ie_len, |
| &(pBcnReport->bcnRepBssInfo[msgCounter].pBuf), |
| &outIeLen); |
| if (eSIR_FAILURE == fillIeStatus) |
| { |
| continue; |
| } |
| pBcnReport->bcnRepBssInfo[msgCounter].ieLen = outIeLen; |
| |
| smsLog( pMac, LOG1,"Bssid("MAC_ADDRESS_STR") Channel=%d Rssi=%d", |
| MAC_ADDR_ARRAY(pBssDesc->bssId), |
| pBssDesc->channelId, (-1) * pBssDesc->rssi); |
| |
| pBcnReport->numBss++; |
| |
| if (++msgCounter >= SIR_BCN_REPORT_MAX_BSS_DESC) |
| break; |
| |
| pCurResult = pResultArr[msgCounter]; |
| } |
| else |
| { |
| pCurResult = NULL; |
| break; |
| } |
| } |
| |
| bssCounter += msgCounter; |
| if (!pResultArr || !pCurResult || (bssCounter >= SIR_BCN_REPORT_MAX_BSS_DESC)) |
| { |
| pCurResult = NULL; |
| smsLog(pMac, LOGE, |
| "Reached to the max/last BSS in pCurResult list"); |
| } |
| else |
| { |
| pCurResult = pResultArr[bssCounter]; |
| smsLog(pMac, LOGE, |
| "Move to the next BSS set in pCurResult list"); |
| } |
| |
| pBcnReport->flag = (measurementDone << 1)|((pCurResult)?true:false); |
| |
| smsLog(pMac, LOG1, "SME Sending BcnRep to HDD numBss(%d)" |
| " msgCounter(%d) bssCounter(%d) flag(%d)", |
| pBcnReport->numBss, msgCounter, bssCounter, pBcnReport->flag); |
| |
| roamInfo.pEseBcnReportRsp = pBcnReport; |
| status = csrRoamCallCallback(pMac, sessionId, &roamInfo, |
| 0, eCSR_ROAM_ESE_BCN_REPORT_IND, 0); |
| |
| /* Free the memory allocated to IE */ |
| for (i = 0; i < msgCounter; i++) |
| { |
| if (pBcnReport->bcnRepBssInfo[i].pBuf) |
| vos_mem_free(pBcnReport->bcnRepBssInfo[i].pBuf); |
| } |
| } while (pCurResult); |
| return status; |
| } |
| |
| #endif /* FEATURE_WLAN_ESE_UPLOAD */ |
| |
| /**--------------------------------------------------------------------------- |
| |
| \brief sme_RrmSendScanRequest() - |
| |
| This function is called to get the scan result from CSR and send the beacon report |
| xmit ind message to PE. |
| |
| \param - pMac - Pointer to the Hal Handle. |
| - num_chan - number of channels. |
| - channel list - list of channels to fetch the result from. |
| - measurementDone - flag to indicate that the measurement is done. |
| \return - 0 for success, non zero for failure |
| |
| --------------------------------------------------------------------------*/ |
| static eHalStatus sme_RrmSendScanResult( tpAniSirGlobal pMac, |
| tANI_U8 num_chan, |
| tANI_U8* chanList, |
| tANI_U8 measurementDone ) |
| { |
| tCsrScanResultFilter filter; |
| tScanResultHandle pResult; |
| tCsrScanResultInfo *pScanResult, *pNextResult; |
| tCsrScanResultInfo *pScanResultsArr[SIR_BCN_REPORT_MAX_BSS_DESC]; |
| eHalStatus status; |
| tANI_U8 counter=0; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tANI_U32 sessionId; |
| tCsrRoamInfo *roam_info; |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Send scan result to PE "); |
| #endif |
| |
| vos_mem_zero( &filter, sizeof(filter) ); |
| vos_mem_zero( pScanResultsArr, sizeof(pNextResult)*SIR_BCN_REPORT_MAX_BSS_DESC ); |
| |
| filter.BSSIDs.numOfBSSIDs = 1; |
| filter.BSSIDs.bssid = &pSmeRrmContext->bssId; |
| |
| if( pSmeRrmContext->ssId.length ) |
| { |
| filter.SSIDs.SSIDList =( tCsrSSIDInfo *)vos_mem_malloc(sizeof(tCsrSSIDInfo)); |
| if( filter.SSIDs.SSIDList == NULL ) |
| { |
| smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Allocated memory for SSIDList")); |
| #endif |
| vos_mem_zero( filter.SSIDs.SSIDList, sizeof(tCsrSSIDInfo) ); |
| |
| filter.SSIDs.SSIDList->SSID.length = pSmeRrmContext->ssId.length; |
| vos_mem_copy(filter.SSIDs.SSIDList->SSID.ssId, pSmeRrmContext->ssId.ssId, pSmeRrmContext->ssId.length); |
| filter.SSIDs.numOfSSIDs = 1; |
| } |
| else |
| { |
| filter.SSIDs.numOfSSIDs = 0; |
| } |
| |
| filter.ChannelInfo.numOfChannels = num_chan; |
| filter.ChannelInfo.ChannelList = chanList; |
| |
| filter.fMeasurement = TRUE; |
| |
| /* |
| * In case this is beacon report request from last AP (before roaming) |
| * following call to csrRoamGetSessionIdFromBSSID will fail, hence use |
| * current session ID instead of one stored in SME rrm context |
| */ |
| if (eHAL_STATUS_FAILURE == |
| csrRoamGetSessionIdFromBSSID(pMac, |
| (tCsrBssid*)pSmeRrmContext->sessionBssId, |
| &sessionId )) { |
| smsLog( pMac, LOG1, FL("BSSID mismatch, using current sessionID")); |
| sessionId = pMac->roam.roamSession->sessionId; |
| } |
| |
| status = sme_ScanGetResult(pMac, (tANI_U8)sessionId, &filter, &pResult); |
| |
| if( filter.SSIDs.SSIDList ) |
| { |
| //Free the memory allocated for SSIDList. |
| vos_mem_free( filter.SSIDs.SSIDList ); |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Free memory for SSIDList") ); |
| #endif |
| } |
| |
| smsLog(pMac, LOG1, FL("RRM Measurement Done %d"), measurementDone); |
| if (NULL == pResult) |
| { |
| /* |
| * no scan results |
| * |
| * Spec. doesnt say anything about such condition. |
| * Since section 7.4.6.2 (IEEE802.11k-2008) says-rrm report frame should |
| * contain one or more report IEs. It probably means dont send any |
| * response if no matching BSS found. Moreover, there is no flag or |
| * field in measurement report IE(7.3.2.22) OR beacon report |
| * IE(7.3.2.22.6) that can be set to indicate no BSS found on a |
| * given channel. |
| * |
| * If we finished measurement on all the channels, we still need to |
| * send a xmit indication with moreToFollow set to MEASURMENT_DONE |
| * so that PE can clean any context allocated. |
| */ |
| if( measurementDone ) |
| { |
| #if defined(FEATURE_WLAN_ESE_UPLOAD) |
| if (eRRM_MSG_SOURCE_ESE_UPLOAD == pSmeRrmContext->msgSource) |
| { |
| status = sme_EseSendBeaconReqScanResults(pMac, |
| sessionId, |
| chanList[0], |
| NULL, |
| measurementDone, |
| 0); |
| } |
| else |
| #endif /*FEATURE_WLAN_ESE_UPLOAD*/ |
| status = sme_RrmSendBeaconReportXmitInd( pMac, NULL, measurementDone, 0); |
| } |
| return status; |
| } |
| |
| pScanResult = sme_ScanResultGetFirst(pMac, pResult); |
| |
| if( NULL == pScanResult && measurementDone ) |
| { |
| #if defined(FEATURE_WLAN_ESE_UPLOAD) |
| if (eRRM_MSG_SOURCE_ESE_UPLOAD == pSmeRrmContext->msgSource) |
| { |
| status = sme_EseSendBeaconReqScanResults(pMac, |
| sessionId, |
| chanList[0], |
| NULL, |
| measurementDone, |
| 0); |
| } |
| else |
| #endif /*FEATURE_WLAN_ESE_UPLOAD*/ |
| status = sme_RrmSendBeaconReportXmitInd( pMac, NULL, measurementDone, 0 ); |
| } |
| |
| counter=0; |
| while (pScanResult) |
| { |
| pNextResult = sme_ScanResultGetNext(pMac, pResult); |
| smsLog(pMac, LOG1, "Scan res timer:%lu, rrm scan timer:%lu", |
| pScanResult->timer, RRM_scan_timer); |
| if(pScanResult->timer >= RRM_scan_timer) |
| { |
| roam_info = vos_mem_malloc(sizeof(*roam_info)); |
| if (NULL == roam_info) { |
| smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| status = eHAL_STATUS_FAILED_ALLOC; |
| goto rrm_send_scan_results_done; |
| } |
| vos_mem_zero(roam_info, sizeof(*roam_info)); |
| roam_info->pBssDesc = &pScanResult->BssDescriptor; |
| csrRoamCallCallback(pMac, sessionId, roam_info, 0, |
| eCSR_ROAM_UPDATE_SCAN_RESULT, eCSR_ROAM_RESULT_NONE); |
| vos_mem_free(roam_info); |
| pScanResultsArr[counter++] = pScanResult; |
| } |
| pScanResult = pNextResult; //sme_ScanResultGetNext(hHal, pResult); |
| if (counter >= SIR_BCN_REPORT_MAX_BSS_DESC) |
| break; |
| } |
| |
| smsLog(pMac, LOG1, " Number of BSS Desc with RRM Scan %d ", counter); |
| /* |
| * The beacon report should be sent whether the counter is zero or non-zero. |
| * There might be a few scan results in the cache but not actually are a |
| * result of this scan. During that scenario, the counter will be zero. |
| * The report should be sent and LIM will further cleanup the RRM to |
| * accept the further incoming requests |
| * In case the counter is Zero, the pScanResultsArr will be NULL. |
| * The next level routine does a check for the measurementDone to determine |
| * whether to send a report or not. |
| */ |
| if (counter || measurementDone) { |
| #if defined(FEATURE_WLAN_ESE_UPLOAD) |
| if (eRRM_MSG_SOURCE_ESE_UPLOAD == pSmeRrmContext->msgSource) |
| status = sme_EseSendBeaconReqScanResults(pMac, sessionId, |
| chanList[0], pScanResultsArr, |
| measurementDone, counter); |
| else |
| #endif |
| status = sme_RrmSendBeaconReportXmitInd(pMac, |
| pScanResultsArr, |
| measurementDone, counter); |
| } |
| |
| rrm_send_scan_results_done: |
| sme_ScanResultPurge(pMac, pResult); |
| |
| return status; |
| } |
| /**--------------------------------------------------------------------------- |
| |
| \brief sme_RrmScanRequestCallback() - |
| |
| The sme module calls this callback function once it finish the scan request |
| and this function send the beacon report xmit to PE and starts a timer of |
| random interval to issue next request. |
| |
| \param - halHandle - Pointer to the Hal Handle. |
| - pContext - Pointer to the data context. |
| - scanId - Scan ID. |
| - status - CSR Status. |
| \return - 0 for success, non zero for failure |
| |
| --------------------------------------------------------------------------*/ |
| |
| static eHalStatus sme_RrmScanRequestCallback(tHalHandle halHandle, |
| void *pContext, |
| tANI_U8 sessionId, |
| tANI_U32 scanId, |
| eCsrScanStatus status) |
| { |
| |
| tANI_U16 interval; |
| tpAniSirGlobal pMac = (tpAniSirGlobal) halHandle; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tANI_U32 time_tick; |
| |
| |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Scan Request callback "); |
| #endif |
| //if any more channels are pending, start a timer of a random value within randomization interval. |
| // |
| // |
| if( (pSmeRrmContext->currentIndex + 1) < pSmeRrmContext->channelList.numOfChannels ) |
| { |
| sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], false ); |
| |
| pSmeRrmContext->currentIndex++; //Advance the current index. |
| |
| /* Start the timer to issue next request. From timer tick get a random |
| number within 10ms and max randomization interval. */ |
| time_tick = vos_timer_get_system_ticks(); |
| interval = time_tick % (pSmeRrmContext->randnIntvl - 10 + 1) + 10; |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Set timer for interval %d ", interval); |
| #endif |
| vos_timer_start( &pSmeRrmContext->IterMeasTimer, interval ); |
| |
| } |
| else |
| { |
| //Done with the measurement. Clean up all context and send a message to PE with measurement done flag set. |
| sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], true ); |
| vos_mem_free( pSmeRrmContext->channelList.ChannelList ); |
| #if defined(FEATURE_WLAN_ESE) && defined(FEATURE_WLAN_ESE_UPLOAD) |
| pSmeRrmContext->eseBcnReqInProgress = FALSE; |
| #endif |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Free memory for ChannelList") ); |
| #endif |
| } |
| |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief sme_RrmIssueScanReq() - This is called to send a scan request as part |
| of beacon report request . |
| |
| \param pMac - pMac global pointer |
| |
| \return eHAL_STATUS_SUCCESS - Validation is successful. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| eHalStatus sme_RrmIssueScanReq( tpAniSirGlobal pMac ) |
| { |
| //Issue scan request. |
| tCsrScanRequest scanRequest; |
| v_U32_t scanId = 0; |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tANI_U32 sessionId; |
| tSirScanType scanType; |
| v_TIME_t current_time; |
| |
| status = csrRoamGetSessionIdFromBSSID( pMac, (tCsrBssid*)pSmeRrmContext->sessionBssId, &sessionId ); |
| if( status != eHAL_STATUS_SUCCESS ) |
| { |
| smsLog( pMac, LOGE, "%s : Invalid sme Session ID", __func__); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| if ((pSmeRrmContext->currentIndex) >= pSmeRrmContext->channelList.numOfChannels) |
| return status; |
| |
| if( eRRM_MSG_SOURCE_ESE_UPLOAD == pSmeRrmContext->msgSource || |
| eRRM_MSG_SOURCE_LEGACY_ESE == pSmeRrmContext->msgSource ) |
| scanType = pSmeRrmContext->measMode[pSmeRrmContext->currentIndex]; |
| else |
| scanType = pSmeRrmContext->measMode[0]; |
| |
| if ((eSIR_ACTIVE_SCAN == scanType) || (eSIR_PASSIVE_SCAN == scanType)) |
| { |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Issue scan request " ); |
| #endif |
| |
| vos_mem_zero( &scanRequest, sizeof(scanRequest)); |
| |
| /* set scanType, active or passive */ |
| scanRequest.scanType = scanType; |
| |
| vos_mem_copy(scanRequest.bssid, |
| pSmeRrmContext->bssId, sizeof(scanRequest.bssid) ); |
| |
| if (pSmeRrmContext->ssId.length) |
| { |
| scanRequest.SSIDs.numOfSSIDs = 1; |
| scanRequest.SSIDs.SSIDList =( tCsrSSIDInfo *)vos_mem_malloc(sizeof(tCsrSSIDInfo)); |
| if (NULL == scanRequest.SSIDs.SSIDList) |
| { |
| smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Allocated memory for pSSIDList")); |
| #endif |
| vos_mem_zero( scanRequest.SSIDs.SSIDList, sizeof(tCsrSSIDInfo) ); |
| scanRequest.SSIDs.SSIDList->SSID.length = pSmeRrmContext->ssId.length; |
| vos_mem_copy(scanRequest.SSIDs.SSIDList->SSID.ssId, pSmeRrmContext->ssId.ssId, pSmeRrmContext->ssId.length); |
| } |
| |
| /* set min and max channel time */ |
| scanRequest.minChnTime = 0; //pSmeRrmContext->duration; Dont use min timeout. |
| if( eRRM_MSG_SOURCE_ESE_UPLOAD == pSmeRrmContext->msgSource || |
| eRRM_MSG_SOURCE_LEGACY_ESE == pSmeRrmContext->msgSource ) |
| scanRequest.maxChnTime = pSmeRrmContext->duration[pSmeRrmContext->currentIndex]; |
| else |
| scanRequest.maxChnTime = pSmeRrmContext->duration[0]; |
| |
| smsLog( pMac, LOG1, "Scan Type(%d) Max Dwell Time(%d)", scanRequest.scanType, |
| scanRequest.maxChnTime ); |
| /** |
| * For RRM scans timing is very important especially when the request |
| * is for limited channels. There is no need for firmware to rest for |
| * about 100-200 ms on the home channel. Instead, it can start the |
| * scan right away which will make the host to respond with the beacon |
| * report as quickly as possible. Ensure that the scan requests are |
| * not back to back and hence there is a check to see if the requests |
| * are atleast 1 second apart. |
| */ |
| current_time = vos_timer_get_system_time(); |
| smsLog(pMac, LOG1, "prev scan triggered before %ld ms, totalchannels %d", |
| current_time - RRM_scan_timer, |
| pSmeRrmContext->channelList.numOfChannels); |
| if ((abs(current_time - RRM_scan_timer) > 1000) && |
| (pSmeRrmContext->channelList.numOfChannels == 1)) { |
| scanRequest.restTime = 1; |
| scanRequest.min_rest_time = 1; |
| scanRequest.idle_time = 1; |
| } |
| |
| RRM_scan_timer = vos_timer_get_system_time(); |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "For Duration %d ", scanRequest.maxChnTime ); |
| #endif |
| |
| /* set BSSType to default type */ |
| scanRequest.BSSType = eCSR_BSS_TYPE_ANY; |
| |
| /*Scan all the channels */ |
| scanRequest.ChannelInfo.numOfChannels = 1; |
| |
| scanRequest.ChannelInfo.ChannelList = &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex]; |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "On channel %d ", pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex] ); |
| #endif |
| |
| /* set requestType to full scan */ |
| scanRequest.requestType = eCSR_SCAN_REQUEST_FULL_SCAN; |
| |
| status = sme_ScanRequest( pMac, (tANI_U8)sessionId, &scanRequest, &scanId, &sme_RrmScanRequestCallback, NULL ); |
| |
| if ( pSmeRrmContext->ssId.length ) |
| { |
| vos_mem_free(scanRequest.SSIDs.SSIDList); |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Free memory for SSIDList")); |
| #endif |
| } |
| } |
| else if (eSIR_BEACON_TABLE == scanType) /* beacon table */ |
| { |
| /*In beacon table mode, scan results are taken directly from scan cache |
| without issuing any scan request. So, it is not proper to update |
| RRM_scan_timer with latest time and hence made it to zero to satisfy |
| pScanResult->timer >= RRM_scan_timer */ |
| RRM_scan_timer = 0; |
| |
| if ((pSmeRrmContext->currentIndex + 1) < pSmeRrmContext->channelList.numOfChannels) |
| { |
| sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], false ); |
| pSmeRrmContext->currentIndex++; //Advance the current index. |
| sme_RrmIssueScanReq(pMac); |
| #if defined(FEATURE_WLAN_ESE) && defined(FEATURE_WLAN_ESE_UPLOAD) |
| pSmeRrmContext->eseBcnReqInProgress = FALSE; |
| #endif |
| } |
| else |
| { |
| //Done with the measurement. Clean up all context and send a message to PE with measurement done flag set. |
| sme_RrmSendScanResult( pMac, 1, &pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->currentIndex], true ); |
| vos_mem_free( pSmeRrmContext->channelList.ChannelList ); |
| } |
| } |
| else |
| { |
| smsLog( pMac, LOGE, "Unknown beacon report request mode(%d)", scanType); |
| /* Indicate measurement completion to PE */ |
| /* If this is not done, pCurrentReq pointer will not be freed and |
| PE will not handle subsequent Beacon requests */ |
| sme_RrmSendBeaconReportXmitInd(pMac, NULL, true, 0); |
| } |
| |
| return status; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief sme_RrmProcessBeaconReportReqInd() - This is called to process the Beacon |
| report request from peer AP forwarded through PE . |
| |
| \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| on the message type. |
| The beginning of the buffer can always map to tSirSmeRsp. |
| |
| \return eHAL_STATUS_SUCCESS - Validation is successful. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| eHalStatus sme_RrmProcessBeaconReportReqInd(tpAniSirGlobal pMac, void *pMsgBuf) |
| { |
| tpSirBeaconReportReqInd pBeaconReq = (tpSirBeaconReportReqInd) pMsgBuf; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tANI_U32 len = 0, i = 0; |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Received Beacon report request ind Channel = %d", pBeaconReq->channelInfo.channelNum ); |
| #endif |
| //section 11.10.8.1 (IEEE Std 802.11k-2008) |
| //channel 0 and 255 has special meaning. |
| if( (pBeaconReq->channelInfo.channelNum == 0) || |
| ((pBeaconReq->channelInfo.channelNum == 255) && (pBeaconReq->channelList.numChannels == 0) ) ) |
| { |
| //Add all the channel in the regulatory domain. |
| wlan_cfgGetStrLen( pMac, WNI_CFG_VALID_CHANNEL_LIST, &len ); |
| pSmeRrmContext->channelList.ChannelList = vos_mem_malloc( len ); |
| if( pSmeRrmContext->channelList.ChannelList == NULL ) |
| { |
| smsLog( pMac, LOGP, FL("vos_mem_malloc failed:") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Allocated memory for ChannelList") ); |
| #endif |
| csrGetCfgValidChannels( pMac, pSmeRrmContext->channelList.ChannelList, &len ); |
| pSmeRrmContext->channelList.numOfChannels = (tANI_U8)len; |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "channel == 0 performing on all channels"); |
| #endif |
| } |
| else |
| { |
| len = 0; |
| pSmeRrmContext->channelList.numOfChannels = 0; |
| |
| //If valid channel is present. We first Measure on the given channel. and |
| //if there are additional channels present in APchannelreport, measure on these also. |
| if ( pBeaconReq->channelInfo.channelNum != 255 ) |
| len = 1; |
| #if defined WLAN_VOWIFI_DEBUG |
| else |
| smsLog( pMac, LOGE, "channel == 255"); |
| #endif |
| |
| len += pBeaconReq->channelList.numChannels; |
| |
| pSmeRrmContext->channelList.ChannelList = vos_mem_malloc( len ); |
| if( pSmeRrmContext->channelList.ChannelList == NULL ) |
| { |
| smsLog( pMac, LOGP, FL("vos_mem_malloc failed") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Allocated memory for ChannelList") ); |
| #endif |
| |
| if ( pBeaconReq->channelInfo.channelNum != 255 ) |
| { |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "channel == %d ", pBeaconReq->channelInfo.channelNum ); |
| #endif |
| if(csrRoamIsChannelValid( pMac, pBeaconReq->channelInfo.channelNum )) |
| pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->channelList.numOfChannels++] = pBeaconReq->channelInfo.channelNum; |
| #if defined WLAN_VOWIFI_DEBUG |
| else |
| smsLog( pMac, LOGE, "is Invalid channel, Ignoring this channel" ); |
| #endif |
| } |
| |
| for ( i = 0 ; i < pBeaconReq->channelList.numChannels; i++ ) |
| { |
| if(csrRoamIsChannelValid( pMac, pBeaconReq->channelList.channelNumber[i] )) |
| { |
| pSmeRrmContext->channelList.ChannelList[pSmeRrmContext->channelList.numOfChannels] = pBeaconReq->channelList.channelNumber[i]; |
| pSmeRrmContext->channelList.numOfChannels++; |
| } |
| } |
| } |
| |
| //Copy session bssid |
| vos_mem_copy( pSmeRrmContext->sessionBssId, pBeaconReq->bssId, sizeof(tSirMacAddr) ); |
| |
| //copy measurement bssid |
| vos_mem_copy( pSmeRrmContext->bssId, pBeaconReq->macaddrBssid, sizeof(tSirMacAddr) ); |
| |
| //Copy ssid |
| vos_mem_copy( &pSmeRrmContext->ssId, &pBeaconReq->ssId, sizeof(tAniSSID) ); |
| |
| pSmeRrmContext->token = pBeaconReq->uDialogToken; |
| pSmeRrmContext->regClass = pBeaconReq->channelInfo.regulatoryClass; |
| pSmeRrmContext->randnIntvl = VOS_MAX(pBeaconReq->randomizationInterval, pSmeRrmContext->rrmConfig.max_randn_interval); |
| pSmeRrmContext->currentIndex = 0; |
| pSmeRrmContext->msgSource = pBeaconReq->msgSource; |
| vos_mem_copy((tANI_U8*)&pSmeRrmContext->measMode, (tANI_U8*)&pBeaconReq->fMeasurementtype, SIR_ESE_MAX_MEAS_IE_REQS); |
| vos_mem_copy((tANI_U8*)&pSmeRrmContext->duration, (tANI_U8*)&pBeaconReq->measurementDuration, SIR_ESE_MAX_MEAS_IE_REQS); |
| |
| status = sme_RrmIssueScanReq( pMac ); |
| |
| return status; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief sme_RrmNeighborReportRequest() - This is API can be used to trigger a |
| Neighbor report from the peer. |
| |
| \param sessionId - session identifier on which the request should be made. |
| \param pNeighborReq - a pointer to a neighbor report request. |
| |
| \return eHAL_STATUS_SUCCESS - Validation is successful. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| VOS_STATUS sme_RrmNeighborReportRequest(tpAniSirGlobal pMac, tANI_U8 sessionId, |
| tpRrmNeighborReq pNeighborReq, tpRrmNeighborRspCallbackInfo callbackInfo) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tpSirNeighborReportReqInd pMsg; |
| tCsrRoamSession *pSession; |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Request to send Neighbor report request received ")); |
| #endif |
| if( !CSR_IS_SESSION_VALID( pMac, sessionId ) ) |
| { |
| smsLog( pMac, LOGE, FL("Invalid session %d"), sessionId ); |
| return VOS_STATUS_E_INVAL; |
| } |
| pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| /* If already a report is pending, return failure */ |
| if (eANI_BOOLEAN_TRUE == pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending) |
| { |
| smsLog( pMac, LOGE, FL("Neighbor request already pending.. Not allowed")); |
| return VOS_STATUS_E_AGAIN; |
| } |
| |
| pMsg = vos_mem_malloc ( sizeof(tSirNeighborReportReqInd) ); |
| if ( NULL == pMsg ) |
| { |
| smsLog( pMac, LOGE, "Unable to allocate memory for Neighbor request"); |
| return VOS_STATUS_E_NOMEM; |
| } |
| |
| |
| vos_mem_zero( pMsg, sizeof(tSirNeighborReportReqInd) ); |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL(" Allocated memory for Neighbor request") ); |
| #endif |
| |
| rrmLLPurgeNeighborCache(pMac, &pMac->rrm.rrmSmeContext.neighborReportCache); |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, FL("Purged the neighbor cache before sending Neighbor request: Status = %d"), status ); |
| #endif |
| |
| pMsg->messageType = eWNI_SME_NEIGHBOR_REPORT_REQ_IND; |
| pMsg->length = sizeof( tSirNeighborReportReqInd ); |
| vos_mem_copy( &pMsg->bssId, &pSession->connectedProfile.bssid, sizeof(tSirMacAddr) ); |
| pMsg->noSSID = pNeighborReq->no_ssid; |
| vos_mem_copy( &pMsg->ucSSID, &pNeighborReq->ssid, sizeof(tSirMacSSid)); |
| |
| status = palSendMBMessage(pMac->hHdd, pMsg); |
| if( status != eHAL_STATUS_SUCCESS ) |
| return VOS_STATUS_E_FAILURE; |
| |
| /* Neighbor report request message sent successfully to PE. Now register the callbacks */ |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallback = |
| callbackInfo->neighborRspCallback; |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspCallbackInfo.neighborRspCallbackContext = |
| callbackInfo->neighborRspCallbackContext; |
| pMac->rrm.rrmSmeContext.neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_TRUE; |
| |
| /* Start neighbor response wait timer now */ |
| vos_timer_start(&pMac->rrm.rrmSmeContext.neighborReqControlInfo.neighborRspWaitTimer, callbackInfo->timeout); |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief rrmCalculateNeighborAPRoamScore() - This API is called while handling |
| individual neighbor reports from the APs neighbor AP report to |
| calculate the cumulative roam score before storing it in neighbor |
| cache. |
| |
| \param pNeighborReportDesc - Neighbor BSS Descriptor node for which roam score |
| should be calculated |
| |
| \return void. |
| --------------------------------------------------------------------------*/ |
| static void rrmCalculateNeighborAPRoamScore(tpAniSirGlobal pMac, tpRrmNeighborReportDesc pNeighborReportDesc) |
| { |
| tpSirNeighborBssDescripton pNeighborBssDesc; |
| tANI_U32 roamScore = 0; |
| #ifdef FEATURE_WLAN_ESE |
| tANI_U8 sessionId; |
| #endif |
| |
| if (NULL == pNeighborReportDesc) |
| { |
| VOS_ASSERT(0); |
| return; |
| } |
| if (NULL == pNeighborReportDesc->pNeighborBssDescription) |
| { |
| VOS_ASSERT(0); |
| return; |
| } |
| |
| pNeighborBssDesc = pNeighborReportDesc->pNeighborBssDescription; |
| |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fMobilityDomain) |
| { |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_MOBILITY_DOMAIN; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fSameSecurityMode) |
| { |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_SECURITY; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fSameAuthenticator) |
| { |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_KEY_SCOPE; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapRadioMeasurement) |
| { |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_RRM; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapSpectrumMeasurement) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_SPECTRUM_MGMT; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapQos) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_QOS; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapApsd) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_APSD; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapDelayedBlockAck) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_DELAYED_BA; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fCapImmediateBlockAck) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_CAPABILITY_IMMEDIATE_BA; |
| if (pNeighborBssDesc->bssidInfo.rrmInfo.fApPreauthReachable) |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_REPORT_REACHABILITY; |
| } |
| } |
| } |
| } |
| #ifdef FEATURE_WLAN_ESE |
| sessionId = pNeighborReportDesc->sessionId; |
| /* It has come in the report so its the best score */ |
| if (csrNeighborRoamIs11rAssoc(pMac, sessionId) == FALSE) { |
| /* IAPP Route so lets make use of this info |
| * save all AP, as the list does not come all the time |
| * Save and reuse till the next AP List comes to us. |
| * Even save our own MAC address. Will be useful next time around. |
| */ |
| roamScore += RRM_ROAM_SCORE_NEIGHBOR_IAPP_LIST; |
| } |
| #endif |
| pNeighborReportDesc->roamScore = roamScore; |
| |
| return; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief rrmStoreNeighborRptByRoamScore() - This API is called to store a given |
| Neighbor BSS descriptor to the neighbor cache. This function |
| stores the neighbor BSS descriptors in such a way that descriptors |
| are sorted by roamScore in descending order |
| |
| \param pNeighborReportDesc - Neighbor BSS Descriptor node to be stored in cache |
| |
| \return void. |
| --------------------------------------------------------------------------*/ |
| void rrmStoreNeighborRptByRoamScore(tpAniSirGlobal pMac, tpRrmNeighborReportDesc pNeighborReportDesc) |
| { |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| tListElem *pEntry; |
| tRrmNeighborReportDesc *pTempNeighborReportDesc; |
| |
| if (NULL == pNeighborReportDesc) |
| { |
| VOS_ASSERT(0); |
| return; |
| } |
| if (NULL == pNeighborReportDesc->pNeighborBssDescription) |
| { |
| VOS_ASSERT(0); |
| return; |
| } |
| |
| if (csrLLIsListEmpty(&pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK)) |
| { |
| smsLog(pMac, LOGE, FL("Neighbor report cache is empty.. Adding a entry now")); |
| /* Neighbor list cache is empty. Insert this entry in the tail */ |
| csrLLInsertTail(&pSmeRrmContext->neighborReportCache, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| return; |
| } |
| else |
| { |
| /* Should store the neighbor BSS description in the order sorted by roamScore in descending |
| order. APs with highest roamScore should be the 1st entry in the list */ |
| pEntry = csrLLPeekHead(&pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK); |
| while (pEntry != NULL) |
| { |
| pTempNeighborReportDesc = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| if (pTempNeighborReportDesc->roamScore < pNeighborReportDesc->roamScore) |
| break; |
| pEntry = csrLLNext(&pSmeRrmContext->neighborReportCache, pEntry, LL_ACCESS_LOCK); |
| } |
| |
| if (pEntry) |
| /* This BSS roamscore is better than something in the list. Insert this before that one */ |
| csrLLInsertEntry(&pSmeRrmContext->neighborReportCache, pEntry, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| else |
| /* All the entries in the list has a better roam Score than this one. Insert this at the last */ |
| csrLLInsertTail(&pSmeRrmContext->neighborReportCache, &pNeighborReportDesc->List, LL_ACCESS_LOCK); |
| } |
| return; |
| } |
| |
| /*-------------------------------------------------------------------------- |
| \brief sme_RrmProcessNeighborReport() - This is called to process the Neighbor |
| report received from PE. |
| |
| \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| on the message type. |
| The beginning of the buffer can always map to tSirSmeRsp. |
| |
| \return eHAL_STATUS_SUCCESS - Validation is successful. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| eHalStatus sme_RrmProcessNeighborReport(tpAniSirGlobal pMac, void *pMsgBuf) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tpSirNeighborReportInd pNeighborRpt = (tpSirNeighborReportInd) pMsgBuf; |
| tpRrmNeighborReportDesc pNeighborReportDesc; |
| tANI_U8 i = 0; |
| VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| tANI_U32 sessionId; |
| |
| /* Get the session id */ |
| status = csrRoamGetSessionIdFromBSSID(pMac, (tCsrBssid *)pNeighborRpt->bssId, |
| &sessionId); |
| if (HAL_STATUS_SUCCESS(status)) { |
| #ifdef FEATURE_WLAN_ESE |
| /* Clear the cache for ESE. */ |
| if (csrNeighborRoamIsESEAssoc(pMac, sessionId)) { |
| rrmLLPurgeNeighborCache(pMac, |
| &pMac->rrm.rrmSmeContext.neighborReportCache); |
| } |
| #endif |
| } |
| |
| for (i = 0; i < pNeighborRpt->numNeighborReports; i++) |
| { |
| pNeighborReportDesc = vos_mem_malloc(sizeof(tRrmNeighborReportDesc)); |
| if (NULL == pNeighborReportDesc) |
| { |
| smsLog( pMac, LOGE, "Failed to allocate memory for RRM Neighbor report desc"); |
| status = eHAL_STATUS_FAILED_ALLOC; |
| goto end; |
| |
| } |
| |
| vos_mem_zero(pNeighborReportDesc, sizeof(tRrmNeighborReportDesc)); |
| pNeighborReportDesc->pNeighborBssDescription = vos_mem_malloc(sizeof(tSirNeighborBssDescription)); |
| if (NULL == pNeighborReportDesc->pNeighborBssDescription) |
| { |
| smsLog( pMac, LOGE, "Failed to allocate memory for RRM Neighbor report BSS Description"); |
| vos_mem_free(pNeighborReportDesc); |
| status = eHAL_STATUS_FAILED_ALLOC; |
| goto end; |
| } |
| vos_mem_zero(pNeighborReportDesc->pNeighborBssDescription, sizeof(tSirNeighborBssDescription)); |
| vos_mem_copy(pNeighborReportDesc->pNeighborBssDescription, &pNeighborRpt->sNeighborBssDescription[i], |
| sizeof(tSirNeighborBssDescription)); |
| |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Received neighbor report with Neighbor BSSID: "MAC_ADDRESS_STR, |
| MAC_ADDR_ARRAY(pNeighborRpt->sNeighborBssDescription[i].bssId)); |
| #endif |
| |
| /* Calculate the roam score based on the BSS Capability in the BSSID Information and store it in Neighbor report Desc */ |
| rrmCalculateNeighborAPRoamScore(pMac, pNeighborReportDesc); |
| |
| /* Store the Neighbor report Desc in the cache based on the roam score */ |
| if ( pNeighborReportDesc->roamScore > 0) |
| { |
| rrmStoreNeighborRptByRoamScore(pMac, pNeighborReportDesc); |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL("Roam score of BSSID "MAC_ADDRESS_STR" is 0, Ignoring.."), |
| MAC_ADDR_ARRAY(pNeighborRpt->sNeighborBssDescription[i].bssId)); |
| |
| vos_mem_free(pNeighborReportDesc->pNeighborBssDescription); |
| vos_mem_free(pNeighborReportDesc); |
| } |
| } |
| end: |
| |
| if (!csrLLCount(&pMac->rrm.rrmSmeContext.neighborReportCache)) |
| vosStatus = VOS_STATUS_E_FAILURE; |
| |
| /* Received a report from AP. Indicate SUCCESS to the caller if there are some valid reports */ |
| rrmIndicateNeighborReportResult(pMac, vosStatus); |
| |
| return status; |
| } |
| /*-------------------------------------------------------------------------- |
| \brief sme_RrmMsgProcessor() - sme_ProcessMsg() calls this function for the |
| messages that are handled by SME RRM module. |
| |
| \param pMac - Pointer to the global MAC parameter structure. |
| \param msg_type - the type of msg passed by PE as defined in wniApi.h |
| \param pMsgBuf - a pointer to a buffer that maps to various structures base |
| on the message type. |
| The beginning of the buffer can always map to tSirSmeRsp. |
| |
| \return eHAL_STATUS_SUCCESS - Validation is successful. |
| |
| \sa |
| |
| --------------------------------------------------------------------------*/ |
| eHalStatus sme_RrmMsgProcessor( tpAniSirGlobal pMac, v_U16_t msg_type, |
| void *pMsgBuf) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_INFO_HIGH, |
| FL(" Msg = %d for RRM measurement") , msg_type ); |
| |
| //switch on the msg type & make the state transition accordingly |
| switch(msg_type) |
| { |
| case eWNI_SME_NEIGHBOR_REPORT_IND: |
| sme_RrmProcessNeighborReport( pMac, pMsgBuf ); |
| break; |
| |
| case eWNI_SME_BEACON_REPORT_REQ_IND: |
| sme_RrmProcessBeaconReportReqInd( pMac, pMsgBuf ); |
| break; |
| |
| default: |
| //err msg |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, |
| FL("sme_RrmMsgProcessor:unknown msg type = %d"), msg_type); |
| |
| break; |
| } |
| |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmIterMeasTimerHandle |
| |
| \brief Timer handler to handle the timeout condition when a specific BT |
| stop event does not come back, in which case to restore back the |
| heartbeat timer. |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOID |
| |
| ---------------------------------------------------------------------------*/ |
| |
| void rrmIterMeasTimerHandle( v_PVOID_t userData ) |
| { |
| tpAniSirGlobal pMac = (tpAniSirGlobal) userData; |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Randomization timer expired...send on next channel "); |
| #endif |
| //Issue a scan req for next channel. |
| sme_RrmIssueScanReq( pMac ); |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmNeighborRspTimeoutHandler |
| |
| \brief Timer handler to handle the timeout condition when a neighbor request is sent |
| and no neighbor response is received from the AP |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOID |
| |
| ---------------------------------------------------------------------------*/ |
| |
| void rrmNeighborRspTimeoutHandler |
| ( v_PVOID_t userData ) |
| { |
| tpAniSirGlobal pMac = (tpAniSirGlobal) userData; |
| #if defined WLAN_VOWIFI_DEBUG |
| smsLog( pMac, LOGE, "Neighbor Response timed out "); |
| #endif |
| rrmIndicateNeighborReportResult(pMac, VOS_STATUS_E_FAILURE); |
| return; |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmOpen |
| |
| \brief |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOS_STATUS |
| |
| VOS_STATUS_E_FAILURE success |
| |
| VOS_STATUS_SUCCESS failure |
| |
| ---------------------------------------------------------------------------*/ |
| |
| VOS_STATUS rrmOpen (tpAniSirGlobal pMac) |
| |
| { |
| |
| VOS_STATUS vosStatus; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| eHalStatus halStatus = eHAL_STATUS_SUCCESS; |
| |
| pSmeRrmContext->rrmConfig.max_randn_interval = 50; //ms |
| |
| vosStatus = vos_timer_init( &pSmeRrmContext->IterMeasTimer, |
| |
| VOS_TIMER_TYPE_SW, |
| |
| rrmIterMeasTimerHandle, |
| |
| (void*) pMac); |
| |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) { |
| |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to init timer"); |
| |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| vosStatus = vos_timer_init( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer, |
| |
| VOS_TIMER_TYPE_SW, |
| |
| rrmNeighborRspTimeoutHandler, |
| |
| (void*) pMac); |
| |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) { |
| |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to init timer"); |
| |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| pSmeRrmContext->neighborReqControlInfo.isNeighborRspPending = eANI_BOOLEAN_FALSE; |
| |
| halStatus = csrLLOpen(pMac->hHdd, &pSmeRrmContext->neighborReportCache); |
| if (eHAL_STATUS_SUCCESS != halStatus) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, "rrmOpen: Fail to open neighbor cache result"); |
| return VOS_STATUS_E_FAILURE; |
| } |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmClose |
| |
| \brief |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOS_STATUS |
| |
| VOS_STATUS_E_FAILURE success |
| |
| VOS_STATUS_SUCCESS failure |
| |
| ---------------------------------------------------------------------------*/ |
| |
| VOS_STATUS rrmClose (tpAniSirGlobal pMac) |
| |
| { |
| |
| VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| |
| if( VOS_TIMER_STATE_RUNNING == vos_timer_getCurrentState( &pSmeRrmContext->IterMeasTimer ) ) |
| { |
| vosStatus = vos_timer_stop( &pSmeRrmContext->IterMeasTimer ); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, FL("Timer stop fail") ); |
| } |
| } |
| |
| vosStatus = vos_timer_destroy( &pSmeRrmContext->IterMeasTimer ); |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_ERROR, FL("Fail to destroy timer") ); |
| |
| } |
| |
| if( VOS_TIMER_STATE_RUNNING == |
| vos_timer_getCurrentState( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ) ) |
| { |
| vosStatus = vos_timer_stop( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ); |
| if(!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, FL("Timer stop fail") ); |
| } |
| } |
| |
| vosStatus = vos_timer_destroy( &pSmeRrmContext->neighborReqControlInfo.neighborRspWaitTimer ); |
| if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, FL("Fail to destroy timer") ); |
| |
| } |
| |
| rrmLLPurgeNeighborCache(pMac, &pSmeRrmContext->neighborReportCache); |
| |
| csrLLClose(&pSmeRrmContext->neighborReportCache); |
| |
| return vosStatus; |
| |
| } |
| |
| |
| |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmReady |
| |
| \brief fn |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOS_STATUS |
| |
| ---------------------------------------------------------------------------*/ |
| |
| VOS_STATUS rrmReady (tpAniSirGlobal pMac) |
| |
| { |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn rrmChangeDefaultConfigParam |
| \brief fn |
| |
| \param pMac - The handle returned by macOpen. |
| \param pRrmConfig - pointer to new rrm configs. |
| |
| \return VOS_STATUS |
| |
| ---------------------------------------------------------------------------*/ |
| VOS_STATUS rrmChangeDefaultConfigParam(tpAniSirGlobal pMac, |
| struct rrm_config_param *pRrmConfig) |
| { |
| vos_mem_copy(&pMac->rrm.rrmSmeContext.rrmConfig, pRrmConfig, |
| sizeof(struct rrm_config_param)); |
| |
| return VOS_STATUS_SUCCESS; |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn smeRrmGetFirstBssEntryFromNeighborCache() |
| |
| \brief This function returns the first entry from the neighbor cache to the caller |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOID |
| |
| ---------------------------------------------------------------------------*/ |
| tRrmNeighborReportDesc* smeRrmGetFirstBssEntryFromNeighborCache( tpAniSirGlobal pMac) |
| { |
| tListElem *pEntry; |
| tRrmNeighborReportDesc *pTempBssEntry = NULL; |
| tpRrmSMEContext pSmeRrmContext = &pMac->rrm.rrmSmeContext; |
| |
| |
| pEntry = csrLLPeekHead( &pSmeRrmContext->neighborReportCache, LL_ACCESS_LOCK ); |
| |
| if(!pEntry || !csrLLCount(&pSmeRrmContext->neighborReportCache)) |
| { |
| //list empty |
| smsLog(pMac, LOGW, FL("List empty")); |
| return NULL; |
| } |
| |
| pTempBssEntry = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| |
| return pTempBssEntry; |
| } |
| |
| /* --------------------------------------------------------------------------- |
| |
| \fn smeRrmGetNextBssEntryFromNeighborCache() |
| |
| \brief This function returns the entry next to the given entry from the |
| neighbor cache to the caller |
| |
| \param pMac - The handle returned by macOpen. |
| |
| \return VOID |
| |
| ---------------------------------------------------------------------------*/ |
| tRrmNeighborReportDesc* smeRrmGetNextBssEntryFromNeighborCache( tpAniSirGlobal pMac, |
| tpRrmNeighborReportDesc pBssEntry) |
| { |
| tListElem *pEntry; |
| tRrmNeighborReportDesc *pTempBssEntry = NULL; |
| |
| pEntry = csrLLNext(&pMac->rrm.rrmSmeContext.neighborReportCache, &pBssEntry->List, LL_ACCESS_LOCK); |
| |
| if(!pEntry) |
| { |
| //list empty |
| smsLog(pMac, LOGW, FL("List empty")); |
| return NULL; |
| } |
| |
| pTempBssEntry = GET_BASE_ADDR( pEntry, tRrmNeighborReportDesc, List ); |
| |
| return pTempBssEntry; |
| } |
| |
| #if defined(FEATURE_WLAN_ESE) && !defined(FEATURE_WLAN_ESE_UPLOAD) |
| void csrEseSendAdjacentApRepMsg(tpAniSirGlobal pMac, tCsrRoamSession *pSession) |
| { |
| tpSirAdjacentApRepInd pAdjRep; |
| tANI_U16 length; |
| tANI_U32 roamTS2; |
| |
| smsLog( pMac, LOG1, "Adjacent AP Report Msg to PE"); |
| |
| length = sizeof(tSirAdjacentApRepInd ); |
| pAdjRep = vos_mem_malloc ( length ); |
| |
| if ( NULL == pAdjRep ) |
| { |
| smsLog( pMac, LOGP, "Unable to allocate memory for Adjacent AP report"); |
| return; |
| } |
| |
| vos_mem_zero( pAdjRep, length ); |
| pAdjRep->messageType = eWNI_SME_ESE_ADJACENT_AP_REPORT; |
| pAdjRep->length = length; |
| pAdjRep->channelNum = pSession->prevOpChannel; |
| vos_mem_copy( pAdjRep->bssid, &pSession->connectedProfile.bssid, sizeof(tSirMacAddr) ); |
| vos_mem_copy( pAdjRep->prevApMacAddr, &pSession->prevApBssid, sizeof(tSirMacAddr) ); |
| vos_mem_copy( &pAdjRep->prevApSSID, &pSession->prevApSSID, sizeof(tSirMacSSid) ); |
| roamTS2 = vos_timer_get_system_time(); |
| pAdjRep->tsmRoamdelay = roamTS2 - pSession->roamTS1; |
| pAdjRep->roamReason =SIR_ESE_ASSOC_REASON_UNSPECIFIED; |
| pAdjRep->clientDissSecs =(pAdjRep->tsmRoamdelay/1000); |
| |
| palSendMBMessage(pMac->hHdd, pAdjRep); |
| |
| return; |
| } |
| #endif /* FEATURE_WLAN_ESE */ |
| #endif |
