| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /** ------------------------------------------------------------------------- * |
| ------------------------------------------------------------------------- * |
| |
| |
| \file csrApiScan.c |
| |
| Implementation for the Common Scan interfaces. |
| |
| Copyright (C) 2006 Airgo Networks, Incorporated |
| ========================================================================== */ |
| |
| #include "aniGlobal.h" |
| |
| #include "palApi.h" |
| #include "csrInsideApi.h" |
| #include "smeInside.h" |
| #include "smsDebug.h" |
| |
| #include "csrSupport.h" |
| #include "wlan_qct_tl.h" |
| |
| #include "vos_diag_core_log.h" |
| #include "vos_diag_core_event.h" |
| |
| #include "vos_nvitem.h" |
| #include "wlan_qct_wda.h" |
| |
| #define CSR_VALIDATE_LIST //This portion of code need to be removed once the issue is resolved. |
| |
| #ifdef CSR_VALIDATE_LIST |
| tDblLinkList *g_pchannelPowerInfoList24 = NULL, * g_pchannelPowerInfoList5 = NULL; |
| tpAniSirGlobal g_pMac = NULL; |
| #endif |
| |
| /* Purpose of HIDDEN_TIMER |
| ** When we remove hidden ssid from the profile i.e., forget the SSID via GUI that SSID shouldn't see in the profile |
| ** For above requirement we used timer limit, logic is explained below |
| ** Timer value is initialsed to current time when it receives corresponding probe response of hidden SSID (The probe request is |
| ** received regularly till SSID in the profile. Once it is removed from profile probe request is not sent.) when we receive probe response |
| ** for broadcast probe request, during update SSID with saved SSID we will diff current time with saved SSID time if it is greater than 1 min |
| ** then we are not updating with old one |
| */ |
| |
| #define HIDDEN_TIMER (1*60*1000) |
| #define CSR_SCAN_RESULT_RSSI_WEIGHT 80 // must be less than 100, represent the persentage of new RSSI |
| |
| /*--------------------------------------------------------------------------- |
| PER filter constant fraction: it is a % |
| ---------------------------------------------------------------------------*/ |
| #define CSR_SCAN_PER_FILTER_FRAC 100 |
| |
| /*--------------------------------------------------------------------------- |
| RSSI filter constant fraction: it is a % |
| ---------------------------------------------------------------------------*/ |
| #define CSR_SCAN_RSSI_FILTER_FRAC 100 |
| |
| /*--------------------------------------------------------------------------- |
| Convert RSSI into overall score: Since RSSI is in -dBm values, and the |
| overall needs to be weighted inversely (where greater value means better |
| system), we convert. |
| RSSI *cannot* be more than 0xFF or less than 0 for meaningful WLAN operation |
| ---------------------------------------------------------------------------*/ |
| #define CSR_SCAN_MAX_SCORE_VAL 0xFF |
| #define CSR_SCAN_MIN_SCORE_VAL 0x0 |
| #define CSR_SCAN_HANDOFF_DELTA 10 |
| #define MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL 140 |
| #define MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL 120 |
| #define CSR_SCAN_OVERALL_SCORE( rssi ) \ |
| ( rssi < CSR_SCAN_MAX_SCORE_VAL )\ |
| ? (CSR_SCAN_MAX_SCORE_VAL-rssi) : CSR_SCAN_MIN_SCORE_VAL |
| |
| |
| #define CSR_SCAN_IS_OVER_BSS_LIMIT(pMac) \ |
| ( (pMac)->scan.nBssLimit <= (csrLLCount(&(pMac)->scan.scanResultList)) ) |
| |
| //*** This is temporary work around. It need to call CCM api to get to CFG later |
| /// Get string parameter value |
| extern tSirRetStatus wlan_cfgGetStr(tpAniSirGlobal, tANI_U16, tANI_U8*, tANI_U32*); |
| |
| void csrScanGetResultTimerHandler(void *); |
| void csrScanResultAgingTimerHandler(void *pv); |
| void csrScanIdleScanTimerHandler(void *); |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| static void csrStaApConcTimerHandler(void *); |
| #endif |
| tANI_BOOLEAN csrIsSupportedChannel(tpAniSirGlobal pMac, tANI_U8 channelId); |
| eHalStatus csrScanChannels( tpAniSirGlobal pMac, tSmeCmd *pCommand ); |
| void csrSetCfgValidChannelList( tpAniSirGlobal pMac, tANI_U8 *pChannelList, tANI_U8 NumChannels ); |
| void csrSaveTxPowerToCfg( tpAniSirGlobal pMac, tDblLinkList *pList, tANI_U32 cfgId ); |
| void csrSetCfgCountryCode( tpAniSirGlobal pMac, tANI_U8 *countryCode ); |
| void csrPurgeChannelPower( tpAniSirGlobal pMac, tDblLinkList *pChannelList ); |
| //if bgPeriod is 0, background scan is disabled. It is in millisecond units |
| eHalStatus csrSetCfgBackgroundScanPeriod(tpAniSirGlobal pMac, tANI_U32 bgPeriod); |
| eHalStatus csrProcessSetBGScanParam(tpAniSirGlobal pMac, tSmeCmd *pCommand); |
| void csrReleaseScanCommand(tpAniSirGlobal pMac, tSmeCmd *pCommand, eCsrScanStatus scanStatus); |
| static tANI_BOOLEAN csrScanValidateScanResult( tpAniSirGlobal pMac, tANI_U8 *pChannels, |
| tANI_U8 numChn, tSirBssDescription *pBssDesc, |
| tDot11fBeaconIEs **ppIes ); |
| eHalStatus csrSetBGScanChannelList( tpAniSirGlobal pMac, tANI_U8 *pAdjustChannels, tANI_U8 NumAdjustChannels); |
| void csrReleaseCmdSingle(tpAniSirGlobal pMac, tSmeCmd *pCommand); |
| tANI_BOOLEAN csrRoamIsValidChannel( tpAniSirGlobal pMac, tANI_U8 channel ); |
| void csrPruneChannelListForMode( tpAniSirGlobal pMac, tCsrChannel *pChannelList ); |
| |
| //pResult is invalid calling this function. |
| void csrFreeScanResultEntry( tpAniSirGlobal pMac, tCsrScanResult *pResult ) |
| { |
| if( NULL != pResult->Result.pvIes ) |
| { |
| palFreeMemory( pMac->hHdd, pResult->Result.pvIes ); |
| } |
| palFreeMemory(pMac->hHdd, pResult); |
| } |
| |
| |
| static eHalStatus csrLLScanPurgeResult(tpAniSirGlobal pMac, tDblLinkList *pList) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tListElem *pEntry; |
| tCsrScanResult *pBssDesc; |
| |
| csrLLLock(pList); |
| |
| while((pEntry = csrLLRemoveHead(pList, LL_ACCESS_NOLOCK)) != NULL) |
| { |
| pBssDesc = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| csrFreeScanResultEntry( pMac, pBssDesc ); |
| } |
| |
| csrLLUnlock(pList); |
| |
| return (status); |
| } |
| |
| |
| int csrCheckValidateLists(void * dest, const void *src, v_SIZE_t num, int idx) |
| { |
| #ifdef CSR_VALIDATE_LIST |
| |
| int ii = 1; |
| |
| if( (NULL == g_pMac) || (!g_pMac->scan.fValidateList ) ) |
| { |
| return ii; |
| } |
| if(g_pchannelPowerInfoList24) |
| { |
| //check 2.4 list |
| tListElem *pElem, *pHead; |
| int count; |
| |
| count = (int)(g_pchannelPowerInfoList24->Count); |
| pHead = &g_pchannelPowerInfoList24->ListHead; |
| pElem = pHead->next; |
| if((tANI_U32)(pHead->next) > 0x00010000) //Assuming kernel address is not that low. |
| { |
| //this loop crashes if the pointer is not right |
| while(pElem->next != pHead) |
| { |
| if((tANI_U32)(pElem->next) > 0x00010000) |
| { |
| pElem = pElem->next; |
| VOS_ASSERT(count > 0); |
| count--; |
| } |
| else |
| { |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, |
| " %d Detect 1 list(0x%X) error Head(0x%X) next(0x%X) Count %d, dest(0x%X) src(0x%X) numBytes(%d)", |
| idx, (unsigned int)g_pchannelPowerInfoList24, (unsigned int)pHead, |
| (unsigned int)(pHead->next), (int)g_pchannelPowerInfoList24->Count, |
| (unsigned int)dest, (unsigned int)src, (int)num); |
| VOS_ASSERT(0); |
| ii = 0; |
| break; |
| } |
| } |
| } |
| else |
| { |
| //Bad list |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_FATAL, " %d Detect list(0x%X) error Head(0x%X) next(0x%X) Count %d, dest(0x%X) src(0x%X) numBytes(%d)", |
| idx, (unsigned int)g_pchannelPowerInfoList24, (unsigned int)pHead, |
| (unsigned int)(pHead->next), (int)g_pchannelPowerInfoList24->Count, |
| (unsigned int)dest, (unsigned int)src, (int)num); |
| VOS_ASSERT(0); |
| ii = 0; |
| } |
| } |
| else |
| { |
| //list ok |
| ii = 1; |
| } |
| |
| |
| return ii; |
| |
| #else |
| return 1; |
| #endif //#ifdef CSR_VALIDATE_LIST |
| } |
| |
| |
| eHalStatus csrScanOpen( tpAniSirGlobal pMac ) |
| { |
| eHalStatus status; |
| |
| do |
| { |
| csrLLOpen(pMac->hHdd, &pMac->scan.scanResultList); |
| csrLLOpen(pMac->hHdd, &pMac->scan.tempScanResults); |
| csrLLOpen(pMac->hHdd, &pMac->scan.channelPowerInfoList24); |
| csrLLOpen(pMac->hHdd, &pMac->scan.channelPowerInfoList5G); |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| csrLLOpen(pMac->hHdd, &pMac->scan.scanCmdPendingList); |
| #endif |
| #ifdef CSR_VALIDATE_LIST |
| g_pchannelPowerInfoList5 = &pMac->scan.channelPowerInfoList5G; |
| g_pMac = pMac; |
| g_pchannelPowerInfoList24 = &pMac->scan.channelPowerInfoList24; |
| #endif |
| pMac->scan.fFullScanIssued = eANI_BOOLEAN_FALSE; |
| pMac->scan.nBssLimit = CSR_MAX_BSS_SUPPORT; |
| status = palTimerAlloc(pMac->hHdd, &pMac->scan.hTimerGetResult, csrScanGetResultTimerHandler, pMac); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL("cannot allocate memory for getResult timer\n")); |
| break; |
| } |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| status = palTimerAlloc(pMac->hHdd, &pMac->scan.hTimerStaApConcTimer, csrStaApConcTimerHandler, pMac); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL("cannot allocate memory for hTimerStaApConcTimer timer\n")); |
| break; |
| } |
| #endif |
| status = palTimerAlloc(pMac->hHdd, &pMac->scan.hTimerIdleScan, csrScanIdleScanTimerHandler, pMac); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL("cannot allocate memory for idleScan timer\n")); |
| break; |
| } |
| status = palTimerAlloc(pMac->hHdd, &pMac->scan.hTimerResultAging, csrScanResultAgingTimerHandler, pMac); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL("cannot allocate memory for ResultAging timer\n")); |
| break; |
| } |
| }while(0); |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanClose( tpAniSirGlobal pMac ) |
| { |
| #ifdef CSR_VALIDATE_LIST |
| g_pchannelPowerInfoList24 = NULL; |
| g_pchannelPowerInfoList5 = NULL; |
| g_pMac = NULL; |
| #endif |
| csrLLScanPurgeResult(pMac, &pMac->scan.tempScanResults); |
| csrLLScanPurgeResult(pMac, &pMac->scan.scanResultList); |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| csrLLScanPurgeResult(pMac, &pMac->scan.scanCmdPendingList); |
| #endif |
| csrLLClose(&pMac->scan.scanResultList); |
| csrLLClose(&pMac->scan.tempScanResults); |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| csrLLClose(&pMac->scan.scanCmdPendingList); |
| #endif |
| csrPurgeChannelPower(pMac, &pMac->scan.channelPowerInfoList24); |
| csrPurgeChannelPower(pMac, &pMac->scan.channelPowerInfoList5G); |
| csrLLClose(&pMac->scan.channelPowerInfoList24); |
| csrLLClose(&pMac->scan.channelPowerInfoList5G); |
| csrScanDisable(pMac); |
| palTimerFree(pMac->hHdd, pMac->scan.hTimerResultAging); |
| palTimerFree(pMac->hHdd, pMac->scan.hTimerGetResult); |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| palTimerFree(pMac->hHdd, pMac->scan.hTimerStaApConcTimer); |
| #endif |
| palTimerFree(pMac->hHdd, pMac->scan.hTimerIdleScan); |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| |
| eHalStatus csrScanEnable( tpAniSirGlobal pMac ) |
| { |
| |
| pMac->scan.fScanEnable = eANI_BOOLEAN_TRUE; |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| |
| eHalStatus csrScanDisable( tpAniSirGlobal pMac ) |
| { |
| |
| csrScanStopTimers(pMac); |
| pMac->scan.fScanEnable = eANI_BOOLEAN_FALSE; |
| |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| //Return SUCCESS is the command is queued, else returns eHAL_STATUS_FAILURE |
| eHalStatus csrQueueScanRequest( tpAniSirGlobal pMac, tSmeCmd *pScanCmd ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| tANI_BOOLEAN fNoCmdPending; |
| tSmeCmd *pQueueScanCmd=NULL; |
| tSmeCmd *pSendScanCmd=NULL; |
| |
| /* split scan if any session is connected */ |
| if (eANI_BOOLEAN_TRUE == csrIsAnySessionConnected(pMac)) |
| { |
| |
| tCsrScanRequest scanReq; |
| tANI_U8 numChn = pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| tCsrChannelInfo *pChnInfo = &scanReq.ChannelInfo; |
| tANI_U8 channelToScan[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
| tANI_U8 i = 0; |
| tANI_BOOLEAN bMemAlloc = eANI_BOOLEAN_FALSE; |
| |
| if (numChn == 0) |
| { |
| |
| numChn = pMac->scan.baseChannels.numChannels; |
| |
| status = palAllocateMemory( pMac->hHdd, (void **)&pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, numChn ); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" Failed to get memory for channel list \n") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| bMemAlloc = eANI_BOOLEAN_TRUE; |
| status = palCopyMemory( pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| pMac->scan.baseChannels.channelList, numChn ); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| palFreeMemory( pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList ); |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = NULL; |
| smsLog( pMac, LOGE, FL(" Failed to copy memory to channel list \n") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = numChn; |
| } |
| |
| //Whenever we get a scan request with multiple channels we break it up into 2 requests |
| //First request for first channel to scan and second request to scan remaining channels |
| for (i=0; i < 2; i++) |
| { //go through max 2 iterations. |
| //Once for using the existing command when number of channels is 1 |
| //Second to go over the remaining channels after creating a new command |
| |
| if (1 == numChn) |
| { |
| pSendScanCmd = pScanCmd; |
| pSendScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = 1; |
| pSendScanCmd->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| pSendScanCmd->u.scanCmd.u.scanRequest.maxChnTime = |
| CSR_MIN(pSendScanCmd->u.scanCmd.u.scanRequest.maxChnTime,CSR_ACTIVE_MAX_CHANNEL_TIME_CONC); |
| pSendScanCmd->u.scanCmd.u.scanRequest.minChnTime = |
| CSR_MIN(pSendScanCmd->u.scanCmd.u.scanRequest.minChnTime, CSR_ACTIVE_MIN_CHANNEL_TIME_CONC); |
| if (i != 0) |
| { //Callback should be NULL for all except last channel So hdd_callback will be called only after last command |
| //i!=0 then we came here in second iteration |
| pSendScanCmd->u.scanCmd.callback = NULL; |
| } |
| break; //break out of this loop in case there is only 1 channel then no need for 2nd iteration |
| |
| } else { //if number of channels > 1 then |
| |
| palZeroMemory(pMac->hHdd, &scanReq, sizeof(tCsrScanRequest)); |
| |
| pQueueScanCmd = csrGetCommandBuffer(pMac); //optimize this to use 2 command buffer only |
| if (!pQueueScanCmd) |
| { |
| if (bMemAlloc) |
| { |
| palFreeMemory( pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList ); |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = NULL; |
| |
| } |
| smsLog( pMac, LOGE, FL(" Failed to get Queue command buffer\n") ); |
| return eHAL_STATUS_FAILURE; |
| } |
| pQueueScanCmd->command = pScanCmd->command; |
| pQueueScanCmd->sessionId = pScanCmd->sessionId; |
| pQueueScanCmd->u.scanCmd.callback = pScanCmd->u.scanCmd.callback; |
| pQueueScanCmd->u.scanCmd.pContext = pScanCmd->u.scanCmd.pContext; |
| pQueueScanCmd->u.scanCmd.reason = pScanCmd->u.scanCmd.reason; |
| pQueueScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| |
| /* First copy all the parameters to local variable of scan request */ |
| csrScanCopyRequest(pMac, &scanReq, &pScanCmd->u.scanCmd.u.scanRequest); |
| |
| /* Now modify the elements of local var scan request required to be modified for split scan */ |
| pChnInfo->numOfChannels = pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels - 1; |
| |
| VOS_TRACE(VOS_MODULE_ID_SME, VOS_TRACE_LEVEL_WARN, |
| FL(" &channelToScan %0x pScanCmd(0x%X) pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList(0x%X)numChn(%d)"), |
| &channelToScan[0], (unsigned int)pScanCmd, |
| (unsigned int)pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, numChn); |
| |
| palCopyMemory(pMac->hHdd, &channelToScan[0], &pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[1], |
| pChnInfo->numOfChannels * sizeof(tANI_U8)); |
| |
| pChnInfo->ChannelList = &channelToScan[0]; |
| |
| |
| scanReq.BSSType = eCSR_BSS_TYPE_ANY; |
| //Modify callers parameters in case of concurrency |
| scanReq.scanType = eSIR_ACTIVE_SCAN; |
| scanReq.maxChnTime = CSR_ACTIVE_MAX_CHANNEL_TIME_CONC; |
| scanReq.minChnTime = CSR_ACTIVE_MIN_CHANNEL_TIME_CONC; |
| |
| status = csrScanCopyRequest(pMac, &pQueueScanCmd->u.scanCmd.u.scanRequest, &scanReq); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| if (bMemAlloc) |
| { |
| palFreeMemory( pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList ); |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = NULL; |
| |
| } |
| smsLog( pMac, LOGE, FL(" Failed to get copy csrScanRequest = %d\n"), status ); |
| return eHAL_STATUS_FAILURE; |
| } |
| numChn = 1; //make numChn to be 1 for second iteration to create a send command |
| } |
| |
| } |
| |
| fNoCmdPending = csrLLIsListEmpty( &pMac->scan.scanCmdPendingList, LL_ACCESS_LOCK ); |
| |
| //Logic Below is as follows |
| // If the scanCmdPendingList is empty then we directly send that command |
| // to smeCommandQueue else we buffer it in our scanCmdPendingList Queue |
| if( fNoCmdPending ) |
| { |
| |
| if (pQueueScanCmd != NULL) |
| { |
| csrLLInsertTail( &pMac->scan.scanCmdPendingList, &pQueueScanCmd->Link, LL_ACCESS_LOCK ); |
| } |
| |
| if (pSendScanCmd != NULL) |
| { |
| return csrQueueSmeCommand(pMac, pSendScanCmd, eANI_BOOLEAN_FALSE); |
| } |
| } |
| else |
| { |
| if (pSendScanCmd != NULL) |
| { |
| csrLLInsertTail( &pMac->scan.scanCmdPendingList, &pSendScanCmd->Link, LL_ACCESS_LOCK ); |
| } |
| if (pQueueScanCmd != NULL) |
| { |
| csrLLInsertTail( &pMac->scan.scanCmdPendingList, &pQueueScanCmd->Link, LL_ACCESS_LOCK ); |
| } |
| } |
| |
| } |
| else |
| { //No concurrency case |
| return csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| } |
| |
| |
| |
| return ( status ); |
| |
| } |
| #endif |
| |
| /* --------------------------------------------------------------------------- |
| \fn csrScan2GOnyRequest |
| \brief This function will update the scan request with only |
| 2.4GHz valid cahnnel list. |
| \param pMac |
| \param pScanCmd |
| \param pScanRequest |
| \return None |
| -------------------------------------------------------------------------------*/ |
| static void csrScan2GOnyRequest(tpAniSirGlobal pMac,tSmeCmd *pScanCmd, |
| tCsrScanRequest *pScanRequest) |
| { |
| tANI_U8 index, channelId, channelListSize = 0; |
| tANI_U8 channelList2G[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}; |
| static tANI_U8 validchannelList[CSR_MAX_2_4_GHZ_SUPPORTED_CHANNELS] = {0}; |
| |
| VOS_ASSERT(pScanCmd && pScanRequest); |
| |
| if (pScanCmd->u.scanCmd.scanID || |
| (eCSR_SCAN_REQUEST_FULL_SCAN != pScanRequest->requestType)) |
| return; |
| |
| //Contsruct valid Supported 2.4 GHz Channel List |
| for( index = 0; index < ARRAY_SIZE(channelList2G); index++ ) |
| { |
| channelId = channelList2G[index]; |
| if ( csrIsSupportedChannel( pMac, channelId ) ) |
| { |
| validchannelList[channelListSize++] = channelId; |
| } |
| } |
| |
| pScanRequest->ChannelInfo.numOfChannels = channelListSize; |
| pScanRequest->ChannelInfo.ChannelList = validchannelList; |
| } |
| |
| eHalStatus csrScanRequest(tpAniSirGlobal pMac, tANI_U16 sessionId, |
| tCsrScanRequest *pScanRequest, tANI_U32 *pScanRequestID, |
| csrScanCompleteCallback callback, void *pContext) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tSmeCmd *pScanCmd = NULL; |
| eCsrConnectState ConnectState; |
| |
| do |
| { |
| if(pMac->scan.fScanEnable) |
| { |
| pScanCmd = csrGetCommandBuffer(pMac); |
| if(pScanCmd) |
| { |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| pScanCmd->command = eSmeCommandScan; |
| pScanCmd->sessionId = sessionId; |
| pScanCmd->u.scanCmd.callback = callback; |
| pScanCmd->u.scanCmd.pContext = pContext; |
| if(eCSR_SCAN_REQUEST_11D_SCAN == pScanRequest->requestType) |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScan11d1; |
| } |
| else if((eCSR_SCAN_REQUEST_FULL_SCAN == pScanRequest->requestType) || |
| (eCSR_SCAN_P2P_DISCOVERY == pScanRequest->requestType) |
| #ifdef SOFTAP_CHANNEL_RANGE |
| ||(eCSR_SCAN_SOFTAP_CHANNEL_RANGE == pScanRequest->requestType) |
| #endif |
| ) |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScanUserRequest; |
| } |
| else if(eCSR_SCAN_HO_BG_SCAN == pScanRequest->requestType) |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScanBgScan; |
| } |
| else if(eCSR_SCAN_HO_PROBE_SCAN == pScanRequest->requestType) |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScanProbeBss; |
| } |
| #if defined WLAN_FEATURE_P2P |
| else if(eCSR_SCAN_P2P_FIND_PEER == pScanRequest->requestType) |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScanP2PFindPeer; |
| } |
| #endif |
| else |
| { |
| pScanCmd->u.scanCmd.reason = eCsrScanIdleScan; |
| } |
| if(pScanRequest->minChnTime == 0 && pScanRequest->maxChnTime == 0) |
| { |
| //The caller doesn't set the time correctly. Set it here |
| if(pScanRequest->scanType == eSIR_ACTIVE_SCAN) |
| { |
| pScanRequest->maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| pScanRequest->minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| } |
| else |
| { |
| pScanRequest->maxChnTime = pMac->roam.configParam.nPassiveMaxChnTime; |
| pScanRequest->minChnTime = pMac->roam.configParam.nPassiveMinChnTime; |
| } |
| } |
| /*For Standalone wlan : channel time will remain the same. |
| For BTC with A2DP up: Channel time = Channel time * 2 , if station is not already associated. |
| This has been done to provide a larger scan window for faster connection during btc.Else Scan is seen |
| to take a long time. |
| For BTC with A2DP up: Channel time will not be doubled, if station is already associated. |
| */ |
| status = csrRoamGetConnectState(pMac,sessionId,&ConnectState); |
| if(pMac->btc.fA2DPUp && |
| (eCSR_ASSOC_STATE_TYPE_INFRA_ASSOCIATED != ConnectState) && |
| (eCSR_ASSOC_STATE_TYPE_IBSS_CONNECTED != ConnectState)) |
| { |
| pScanRequest->maxChnTime = pScanRequest->maxChnTime << 1; |
| pScanRequest->minChnTime = pScanRequest->minChnTime << 1; |
| } |
| //Need to make the following atomic |
| pScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| |
| if(pScanRequestID) |
| { |
| *pScanRequestID = pScanCmd->u.scanCmd.scanID; |
| } |
| |
| //Tush : If it is the first scan request from HDD, CSR checks if it is for 11d. |
| // If it is not, CSR will save the scan request in the pending cmd queue |
| // & issue an 11d scan request to PE. |
| if(((0 == pScanCmd->u.scanCmd.scanID) |
| && (eCSR_SCAN_REQUEST_11D_SCAN != pScanRequest->requestType)) |
| #ifdef SOFTAP_CHANNEL_RANGE |
| && (eCSR_SCAN_SOFTAP_CHANNEL_RANGE != pScanRequest->requestType) |
| #endif |
| && (eANI_BOOLEAN_FALSE == pMac->scan.fEnableBypass11d) |
| ) |
| { |
| tSmeCmd *p11dScanCmd; |
| tCsrScanRequest scanReq; |
| tCsrChannelInfo *pChnInfo = &scanReq.ChannelInfo; |
| |
| palZeroMemory(pMac->hHdd, &scanReq, sizeof(tCsrScanRequest)); |
| |
| p11dScanCmd = csrGetCommandBuffer(pMac); |
| if(p11dScanCmd) |
| { |
| tANI_U32 numChn = pMac->scan.baseChannels.numChannels; |
| |
| palZeroMemory(pMac->hHdd, &p11dScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| status = palAllocateMemory( pMac->hHdd, (void **)&pChnInfo->ChannelList, numChn ); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| break; |
| } |
| status = palCopyMemory( pMac->hHdd, pChnInfo->ChannelList, |
| pMac->scan.baseChannels.channelList, numChn ); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| palFreeMemory( pMac->hHdd, pChnInfo->ChannelList ); |
| pChnInfo->ChannelList = NULL; |
| break; |
| } |
| pChnInfo->numOfChannels = (tANI_U8)numChn; |
| p11dScanCmd->command = eSmeCommandScan; |
| p11dScanCmd->u.scanCmd.callback = NULL; |
| p11dScanCmd->u.scanCmd.pContext = NULL; |
| p11dScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; |
| scanReq.BSSType = eCSR_BSS_TYPE_ANY; |
| |
| if ( csrIs11dSupported(pMac) ) |
| { |
| scanReq.scanType = eSIR_PASSIVE_SCAN; |
| scanReq.requestType = eCSR_SCAN_REQUEST_11D_SCAN; |
| p11dScanCmd->u.scanCmd.reason = eCsrScan11d1; |
| scanReq.maxChnTime = pMac->roam.configParam.nPassiveMaxChnTime; |
| scanReq.minChnTime = pMac->roam.configParam.nPassiveMinChnTime; |
| } |
| else |
| { |
| scanReq.scanType = eSIR_ACTIVE_SCAN; |
| scanReq.requestType = eCSR_SCAN_IDLE_MODE_SCAN; |
| p11dScanCmd->u.scanCmd.reason = eCsrScanIdleScan; |
| scanReq.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| scanReq.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| } |
| |
| status = csrScanCopyRequest(pMac, &p11dScanCmd->u.scanCmd.u.scanRequest, &scanReq); |
| //Free the channel list |
| palFreeMemory( pMac->hHdd, pChnInfo->ChannelList ); |
| |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| //Start process the command |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| status = csrQueueScanRequest(pMac, p11dScanCmd); |
| #else |
| status = csrQueueSmeCommand(pMac, p11dScanCmd, eANI_BOOLEAN_FALSE); |
| #endif |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| } |
| else |
| { |
| break; |
| } |
| } |
| else |
| { |
| //error |
| break; |
| } |
| } |
| |
| //Scan only 2G Channels if set in ini file |
| //This is mainly to reduce the First Scan duration |
| //Once we turn on Wifi |
| if(pMac->scan.fFirstScanOnly2GChnl) |
| { |
| csrScan2GOnyRequest(pMac, pScanCmd, pScanRequest); |
| } |
| |
| status = csrScanCopyRequest(pMac, &pScanCmd->u.scanCmd.u.scanRequest, pScanRequest); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| //Start process the command |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| status = csrQueueScanRequest(pMac,pScanCmd); |
| #else |
| status = csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| #endif |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| } |
| else |
| { |
| smsLog( pMac, LOGE, FL(" fail to copy request status = %d\n"), status ); |
| break; |
| } |
| } |
| else |
| { |
| //log error |
| break; |
| } |
| } |
| } while(0); |
| if(!HAL_STATUS_SUCCESS(status) && pScanCmd) |
| { |
| if( eCsrScanIdleScan == pScanCmd->u.scanCmd.reason ) |
| { |
| //Set the flag back for restarting idle scan |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| } |
| csrReleaseCommandScan(pMac, pScanCmd); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanRequestResult(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pScanCmd; |
| |
| if(pMac->scan.fScanEnable) |
| { |
| pScanCmd = csrGetCommandBuffer(pMac); |
| if(pScanCmd) |
| { |
| pScanCmd->command = eSmeCommandScan; |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| pScanCmd->u.scanCmd.callback = NULL; |
| pScanCmd->u.scanCmd.pContext = NULL; |
| pScanCmd->u.scanCmd.reason = eCsrScanGetResult; |
| //Need to make the following atomic |
| pScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID; //let it wrap around |
| status = csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| csrReleaseCommandScan(pMac, pScanCmd); |
| } |
| } |
| else |
| { |
| //log error |
| smsLog(pMac, LOGE, FL("can not obtain a common buffer\n")); |
| status = eHAL_STATUS_RESOURCES; |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanAllChannels(tpAniSirGlobal pMac, eCsrRequestType reqType) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tANI_U32 scanId; |
| tCsrScanRequest scanReq; |
| |
| palZeroMemory(pMac->hHdd, &scanReq, sizeof(tCsrScanRequest)); |
| scanReq.BSSType = eCSR_BSS_TYPE_ANY; |
| scanReq.scanType = eSIR_ACTIVE_SCAN; |
| scanReq.requestType = reqType; |
| scanReq.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| scanReq.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| //Scan with invalid sessionId. |
| //This results in SME using the first available session to scan. |
| status = csrScanRequest(pMac, CSR_SESSION_ID_INVALID, &scanReq, |
| &scanId, NULL, NULL); |
| |
| return (status); |
| } |
| |
| |
| |
| |
| eHalStatus csrIssueRoamAfterLostlinkScan(tpAniSirGlobal pMac, tANI_U32 sessionId, eCsrRoamReason reason) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanResultHandle hBSSList = NULL; |
| tCsrScanResultFilter *pScanFilter = NULL; |
| tANI_U32 roamId = 0; |
| tCsrRoamProfile *pProfile = NULL; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| do |
| { |
| smsLog(pMac, LOG1, " csrIssueRoamAfterLostlinkScan called\n"); |
| if(pSession->fCancelRoaming) |
| { |
| smsLog(pMac, LOGW, " lostlink roaming is cancelled\n"); |
| csrScanStartIdleScan(pMac); |
| status = eHAL_STATUS_SUCCESS; |
| break; |
| } |
| //Here is the profile we need to connect to |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(NULL == pSession->pCurRoamProfile) |
| { |
| pScanFilter->EncryptionType.numEntries = 1; |
| pScanFilter->EncryptionType.encryptionType[0] = eCSR_ENCRYPT_TYPE_NONE; |
| } |
| else |
| { |
| //We have to make a copy of pCurRoamProfile because it will be free inside csrRoamIssueConnect |
| status = palAllocateMemory(pMac->hHdd, (void **)&pProfile, sizeof(tCsrRoamProfile)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| palZeroMemory(pMac->hHdd, pProfile, sizeof(tCsrRoamProfile)); |
| status = csrRoamCopyProfile(pMac, pProfile, pSession->pCurRoamProfile); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrRoamPrepareFilterFromProfile(pMac, pProfile, pScanFilter); |
| }//We have a profile |
| roamId = GET_NEXT_ROAM_ID(&pMac->roam); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| if(eCsrLostLink1 == reason) |
| { |
| //we want to put the last connected BSS to the very beginning, if possible |
| csrMoveBssToHeadFromBSSID(pMac, &pSession->connectedProfile.bssid, hBSSList); |
| } |
| status = csrRoamIssueConnect(pMac, sessionId, pProfile, hBSSList, reason, |
| roamId, eANI_BOOLEAN_TRUE, eANI_BOOLEAN_TRUE); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanResultPurge(pMac, hBSSList); |
| } |
| }//Have scan result |
| } |
| }while(0); |
| if(pScanFilter) |
| { |
| //we need to free memory for filter if profile exists |
| csrFreeScanFilter(pMac, pScanFilter); |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| if(NULL != pProfile) |
| { |
| csrReleaseProfile(pMac, pProfile); |
| palFreeMemory(pMac->hHdd, (void *)pProfile); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanGetScanChnInfo(tpAniSirGlobal pMac, void *callback, void *pContext) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pScanCmd; |
| |
| if(pMac->scan.fScanEnable) |
| { |
| pScanCmd = csrGetCommandBuffer(pMac); |
| if(pScanCmd) |
| { |
| pScanCmd->command = eSmeCommandScan; |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| pScanCmd->u.scanCmd.callback = callback; |
| pScanCmd->u.scanCmd.pContext = pContext; |
| pScanCmd->u.scanCmd.reason = eCsrScanGetScanChnInfo; |
| //Need to make the following atomic |
| pScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| status = csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| csrReleaseCommandScan(pMac, pScanCmd); |
| } |
| } |
| else |
| { |
| //log error |
| smsLog(pMac, LOGE, FL("can not obtain a common buffer\n")); |
| status = eHAL_STATUS_RESOURCES; |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanHandleFailedLostlink1(tpAniSirGlobal pMac, tANI_U32 sessionId) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, " Lostlink scan 1 failed\n"); |
| if(pSession->fCancelRoaming) |
| { |
| csrScanStartIdleScan(pMac); |
| } |
| else if(pSession->pCurRoamProfile) |
| { |
| //We fail lostlink1 but there may be other BSS in the cached result fit the profile. Give it a try first |
| if(pSession->pCurRoamProfile->SSIDs.numOfSSIDs == 0 || |
| pSession->pCurRoamProfile->SSIDs.numOfSSIDs > 1) |
| { |
| //try lostlink scan2 |
| status = csrScanRequestLostLink2(pMac, sessionId); |
| } |
| else if(!pSession->pCurRoamProfile->ChannelInfo.ChannelList || |
| pSession->pCurRoamProfile->ChannelInfo.ChannelList[0] == 0) |
| { |
| //go straight to lostlink scan3 |
| status = csrScanRequestLostLink3(pMac, sessionId); |
| } |
| else |
| { |
| //we are done with lostlink |
| if(csrRoamCompleteRoaming(pMac, sessionId, eANI_BOOLEAN_FALSE, eCSR_ROAM_RESULT_FAILURE)) |
| { |
| csrScanStartIdleScan(pMac); |
| } |
| status = eHAL_STATUS_SUCCESS; |
| } |
| } |
| else |
| { |
| status = csrScanRequestLostLink3(pMac, sessionId); |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| eHalStatus csrScanHandleFailedLostlink2(tpAniSirGlobal pMac, tANI_U32 sessionId) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, " Lostlink scan 2 failed\n"); |
| if(pSession->fCancelRoaming) |
| { |
| csrScanStartIdleScan(pMac); |
| } |
| else if(!pSession->pCurRoamProfile || !pSession->pCurRoamProfile->ChannelInfo.ChannelList || |
| pSession->pCurRoamProfile->ChannelInfo.ChannelList[0] == 0) |
| { |
| //try lostlink scan3 |
| status = csrScanRequestLostLink3(pMac, sessionId); |
| } |
| else |
| { |
| //we are done with lostlink |
| if(csrRoamCompleteRoaming(pMac, sessionId, eANI_BOOLEAN_FALSE, eCSR_ROAM_RESULT_FAILURE)) |
| { |
| csrScanStartIdleScan(pMac); |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| eHalStatus csrScanHandleFailedLostlink3(tpAniSirGlobal pMac, tANI_U32 sessionId) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| smsLog(pMac, LOGW, " Lostlink scan 3 failed\n"); |
| if(eANI_BOOLEAN_TRUE == csrRoamCompleteRoaming(pMac, sessionId, eANI_BOOLEAN_FALSE, eCSR_ROAM_RESULT_FAILURE)) |
| { |
| //we are done with lostlink |
| csrScanStartIdleScan(pMac); |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| |
| //Lostlink1 scan is to actively scan the last connected profile's SSID on all matched BSS channels. |
| //If no roam profile (it should not), it is like lostlinkscan3 |
| eHalStatus csrScanRequestLostLink1( tpAniSirGlobal pMac, tANI_U32 sessionId ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pCommand = NULL; |
| tANI_U8 bAddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| tCsrScanResultFilter *pScanFilter = NULL; |
| tScanResultHandle hBSSList = NULL; |
| tCsrScanResultInfo *pScanResult = NULL; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, FL(" called\n")); |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->sessionId = (tANI_U8)sessionId; |
| pCommand->u.scanCmd.reason = eCsrScanLostLink1; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| pCommand->u.scanCmd.u.scanRequest.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| pCommand->u.scanCmd.u.scanRequest.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| pCommand->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| if(pSession->connectedProfile.SSID.length) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList, sizeof(tCsrSSIDInfo)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs = 1; |
| palCopyMemory(pMac->hHdd, &pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList[0].SSID, |
| &pSession->connectedProfile.SSID, sizeof(tSirMacSSid)); |
| } |
| else |
| { |
| pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs = 0; |
| } |
| if(pSession->pCurRoamProfile) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| status = csrRoamPrepareFilterFromProfile(pMac, pSession->pCurRoamProfile, pScanFilter); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| //Don't change variable status here because whether we can get result or not, the command goes to PE. |
| //The status is also used to indicate whether the command is queued. Not success meaning not queue |
| if(HAL_STATUS_SUCCESS((csrScanGetResult(pMac, pScanFilter, &hBSSList))) && hBSSList) |
| { |
| tANI_U8 i, nChn = 0; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| while(((pScanResult = csrScanResultGetNext(pMac, hBSSList)) != NULL) && |
| nChn < WNI_CFG_VALID_CHANNEL_LIST_LEN) |
| { |
| for(i = 0; i < nChn; i++) |
| { |
| if(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[i] == |
| pScanResult->BssDescriptor.channelId) |
| { |
| break; |
| } |
| } |
| if(i == nChn) |
| { |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[nChn++] = pScanResult->BssDescriptor.channelId; |
| } |
| } |
| //Include the last connected BSS' channel |
| if(csrRoamIsChannelValid(pMac, pSession->connectedProfile.operationChannel)) |
| { |
| for(i = 0; i < nChn; i++) |
| { |
| if(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[i] == |
| pSession->connectedProfile.operationChannel) |
| { |
| break; |
| } |
| } |
| if(i == nChn) |
| { |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[nChn++] = pSession->connectedProfile.operationChannel; |
| } |
| } |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = nChn; |
| } |
| else |
| { |
| if(csrRoamIsChannelValid(pMac, pSession->connectedProfile.operationChannel)) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| 1); |
| //just try the last connected channel |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[0] = pSession->connectedProfile.operationChannel; |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = 1; |
| } |
| else |
| { |
| break; |
| } |
| } |
| } |
| } |
| palCopyMemory(pMac->hHdd, &pCommand->u.scanCmd.u.scanRequest.bssid, bAddr, sizeof(tCsrBssid)); |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| } while( 0 ); |
| |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGW, " csrScanRequestLostLink1 failed with status %d\n", status); |
| if(pCommand) |
| { |
| csrReleaseCommandScan(pMac, pCommand); |
| } |
| status = csrScanHandleFailedLostlink1( pMac, sessionId ); |
| } |
| if(pScanFilter) |
| { |
| csrFreeScanFilter(pMac, pScanFilter); |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| if(hBSSList) |
| { |
| csrScanResultPurge(pMac, hBSSList); |
| } |
| |
| return( status ); |
| } |
| |
| |
| //Lostlink2 scan is to actively scan the all SSIDs of the last roaming profile's on all matched BSS channels. |
| //Since MAC doesn't support multiple SSID, we scan all SSIDs and filter them afterwards |
| eHalStatus csrScanRequestLostLink2( tpAniSirGlobal pMac, tANI_U32 sessionId ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tANI_U8 bAddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| tCsrScanResultFilter *pScanFilter = NULL; |
| tScanResultHandle hBSSList = NULL; |
| tCsrScanResultInfo *pScanResult = NULL; |
| tSmeCmd *pCommand = NULL; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, FL(" called\n")); |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->sessionId = (tANI_U8)sessionId; |
| pCommand->u.scanCmd.reason = eCsrScanLostLink2; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| pCommand->u.scanCmd.u.scanRequest.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| pCommand->u.scanCmd.u.scanRequest.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| pCommand->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| if(pSession->pCurRoamProfile) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| status = csrRoamPrepareFilterFromProfile(pMac, pSession->pCurRoamProfile, pScanFilter); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| if(hBSSList) |
| { |
| tANI_U8 i, nChn = 0; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| while(((pScanResult = csrScanResultGetNext(pMac, hBSSList)) != NULL) && |
| nChn < WNI_CFG_VALID_CHANNEL_LIST_LEN) |
| { |
| for(i = 0; i < nChn; i++) |
| { |
| if(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[i] == |
| pScanResult->BssDescriptor.channelId) |
| { |
| break; |
| } |
| } |
| if(i == nChn) |
| { |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[nChn++] = pScanResult->BssDescriptor.channelId; |
| } |
| } |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = nChn; |
| } |
| } |
| palCopyMemory(pMac->hHdd, &pCommand->u.scanCmd.u.scanRequest.bssid, bAddr, sizeof(tCsrBssid)); |
| //Put to the head in pending queue |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_TRUE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| } while( 0 ); |
| |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGW, " csrScanRequestLostLink2 failed with status %d\n", status); |
| if(pCommand) |
| { |
| csrReleaseCommandScan(pMac, pCommand); |
| } |
| status = csrScanHandleFailedLostlink2( pMac, sessionId ); |
| } |
| if(pScanFilter) |
| { |
| csrFreeScanFilter(pMac, pScanFilter); |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| if(hBSSList) |
| { |
| csrScanResultPurge(pMac, hBSSList); |
| } |
| |
| return( status ); |
| } |
| |
| |
| //To actively scan all valid channels |
| eHalStatus csrScanRequestLostLink3( tpAniSirGlobal pMac, tANI_U32 sessionId ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pCommand; |
| tANI_U8 bAddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| |
| smsLog(pMac, LOGW, FL(" called\n")); |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->sessionId = (tANI_U8)sessionId; |
| pCommand->u.scanCmd.reason = eCsrScanLostLink3; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| pCommand->u.scanCmd.u.scanRequest.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| pCommand->u.scanCmd.u.scanRequest.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| pCommand->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| palCopyMemory(pMac->hHdd, &pCommand->u.scanCmd.u.scanRequest.bssid, bAddr, sizeof(tCsrBssid)); |
| //Put to the head of pending queue |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_TRUE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| } while( 0 ); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGW, " csrScanRequestLostLink3 failed with status %d\n", status); |
| if(csrRoamCompleteRoaming(pMac, sessionId, eANI_BOOLEAN_FALSE, eCSR_ROAM_RESULT_FAILURE)) |
| { |
| csrScanStartIdleScan(pMac); |
| } |
| if(pCommand) |
| { |
| csrReleaseCommandScan(pMac, pCommand); |
| } |
| } |
| |
| return( status ); |
| } |
| |
| |
| eHalStatus csrScanHandleSearchForSSID(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanResultHandle hBSSList = CSR_INVALID_SCANRESULT_HANDLE; |
| tCsrScanResultFilter *pScanFilter = NULL; |
| tCsrRoamProfile *pProfile = pCommand->u.scanCmd.pToRoamProfile; |
| tANI_U32 sessionId = pCommand->sessionId; |
| #ifdef FEATURE_WLAN_BTAMP_UT_RF |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| #endif |
| do |
| { |
| //If there is roam command waiting, ignore this roam because the newer roam command is the one to execute |
| if(csrIsRoamCommandWaitingForSession(pMac, sessionId)) |
| { |
| smsLog(pMac, LOGW, FL(" aborts because roam command waiting\n")); |
| break; |
| } |
| if(pProfile == NULL) |
| break; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| status = csrRoamPrepareFilterFromProfile(pMac, pProfile, pScanFilter); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrRoamIssueConnect(pMac, sessionId, pProfile, hBSSList, eCsrHddIssued, |
| pCommand->u.scanCmd.roamId, eANI_BOOLEAN_TRUE, eANI_BOOLEAN_TRUE); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| }while(0); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| if(CSR_INVALID_SCANRESULT_HANDLE != hBSSList) |
| { |
| csrScanResultPurge(pMac, hBSSList); |
| } |
| //We haven't done anything to this profile |
| csrRoamCallCallback(pMac, sessionId, NULL, pCommand->u.scanCmd.roamId, |
| eCSR_ROAM_ASSOCIATION_FAILURE, eCSR_ROAM_RESULT_FAILURE); |
| //In case we have nothing else to do, restart idle scan |
| if(csrIsConnStateDisconnected(pMac, sessionId) && !csrIsRoamCommandWaiting(pMac)) |
| { |
| status = csrScanStartIdleScan(pMac); |
| } |
| #ifdef FEATURE_WLAN_BTAMP_UT_RF |
| //In case of WDS station, let it retry. |
| if( CSR_IS_WDS_STA(pProfile) ) |
| { |
| //Save the roma profile so we can retry |
| csrFreeRoamProfile( pMac, sessionId ); |
| if (HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, |
| (void **)&pSession->pCurRoamProfile, |
| sizeof(tCsrRoamProfile)))) |
| { |
| palZeroMemory(pMac->hHdd, pSession->pCurRoamProfile, sizeof(tCsrRoamProfile)); |
| csrRoamCopyProfile(pMac, pSession->pCurRoamProfile, pProfile); |
| } |
| csrRoamStartJoinRetryTimer(pMac, sessionId, CSR_JOIN_RETRY_TIMEOUT_PERIOD); |
| } |
| #endif |
| } |
| if(pScanFilter) |
| { |
| csrFreeScanFilter(pMac, pScanFilter); |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanHandleSearchForSSIDFailure(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tANI_U32 sessionId = pCommand->sessionId; |
| tCsrRoamProfile *pProfile = pCommand->u.scanCmd.pToRoamProfile; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| #if defined(WLAN_DEBUG) |
| if(pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs == 1) |
| { |
| char str[36]; |
| palCopyMemory(pMac->hHdd, str, pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList[0].SSID.ssId, |
| pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList[0].SSID.length); |
| str[pCommand->u.scanCmd.u.scanRequest.SSIDs.SSIDList[0].SSID.length] = 0; |
| smsLog(pMac, LOGW, FL(" SSID = %s\n"), str); |
| } |
| #endif |
| //Check whether it is for start ibss. No need to do anything if it is a JOIN request |
| if(pProfile && CSR_IS_START_IBSS(pProfile)) |
| { |
| status = csrRoamIssueConnect(pMac, sessionId, pProfile, NULL, eCsrHddIssued, |
| pCommand->u.scanCmd.roamId, eANI_BOOLEAN_TRUE, eANI_BOOLEAN_TRUE); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL("failed to issue startIBSS command with status = 0x%08X\n"), status); |
| csrRoamCallCallback(pMac, sessionId, NULL, pCommand->u.scanCmd.roamId, eCSR_ROAM_FAILED, eCSR_ROAM_RESULT_FAILURE); |
| } |
| } |
| else |
| { |
| eCsrRoamResult roamResult = eCSR_ROAM_RESULT_FAILURE; |
| |
| if(csrIsConnStateDisconnected(pMac, sessionId) && |
| !csrIsRoamCommandWaitingForSession(pMac, sessionId)) |
| { |
| status = csrScanStartIdleScan(pMac); |
| } |
| if((NULL == pProfile) || !csrIsBssTypeIBSS(pProfile->BSSType)) |
| { |
| //Only indicate assoc_completion if we indicate assoc_start. |
| if(pSession->bRefAssocStartCnt > 0) |
| { |
| tCsrRoamInfo *pRoamInfo = NULL, roamInfo; |
| palZeroMemory(pMac->hHdd, &roamInfo, sizeof(tCsrRoamInfo)); |
| pRoamInfo = &roamInfo; |
| if(pCommand->u.roamCmd.pRoamBssEntry) |
| { |
| tCsrScanResult *pScanResult = |
| GET_BASE_ADDR(pCommand->u.roamCmd.pRoamBssEntry, |
| tCsrScanResult, Link); |
| roamInfo.pBssDesc = &pScanResult->Result.BssDescriptor; |
| } |
| roamInfo.statusCode = pSession->joinFailStatusCode.statusCode; |
| roamInfo.reasonCode = pSession->joinFailStatusCode.reasonCode; |
| pSession->bRefAssocStartCnt--; |
| csrRoamCallCallback(pMac, sessionId, pRoamInfo, |
| pCommand->u.scanCmd.roamId, |
| eCSR_ROAM_ASSOCIATION_COMPLETION, |
| eCSR_ROAM_RESULT_FAILURE); |
| } |
| else |
| { |
| csrRoamCallCallback(pMac, sessionId, NULL, |
| pCommand->u.scanCmd.roamId, |
| eCSR_ROAM_ASSOCIATION_FAILURE, |
| eCSR_ROAM_RESULT_FAILURE); |
| } |
| #ifdef FEATURE_WLAN_BTAMP_UT_RF |
| //In case of WDS station, let it retry. |
| if( CSR_IS_WDS_STA(pProfile) ) |
| { |
| //Save the roma profile so we can retry |
| csrFreeRoamProfile( pMac, sessionId ); |
| if (HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, |
| (void **)&pSession->pCurRoamProfile, |
| sizeof(tCsrRoamProfile)))) |
| { |
| palZeroMemory(pMac->hHdd, pSession->pCurRoamProfile, sizeof(tCsrRoamProfile)); |
| csrRoamCopyProfile(pMac, pSession->pCurRoamProfile, pProfile); |
| } |
| csrRoamStartJoinRetryTimer(pMac, sessionId, CSR_JOIN_RETRY_TIMEOUT_PERIOD); |
| } |
| #endif |
| } |
| else |
| { |
| roamResult = eCSR_ROAM_RESULT_IBSS_START_FAILED; |
| } |
| csrRoamCompletion(pMac, sessionId, NULL, pCommand, roamResult, eANI_BOOLEAN_FALSE); |
| } |
| |
| return (status); |
| } |
| |
| |
| //After scan for cap changes, issue a roaming command to either reconnect to the AP or pick another one to connect |
| eHalStatus csrScanHandleCapChangeScanComplete(tpAniSirGlobal pMac, tANI_U32 sessionId) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanResultHandle hBSSList = NULL; |
| tCsrScanResultFilter *pScanFilter = NULL; |
| tANI_U32 roamId = 0; |
| tCsrRoamProfile *pProfile = NULL; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| do |
| { |
| //Here is the profile we need to connect to |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(NULL == pSession) break; |
| if(NULL == pSession->pCurRoamProfile) |
| { |
| pScanFilter->EncryptionType.numEntries = 1; |
| pScanFilter->EncryptionType.encryptionType[0] = eCSR_ENCRYPT_TYPE_NONE; |
| } |
| else |
| { |
| //We have to make a copy of pCurRoamProfile because it will be free inside csrRoamIssueConnect |
| status = palAllocateMemory(pMac->hHdd, (void **)&pProfile, sizeof(tCsrRoamProfile)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrRoamCopyProfile(pMac, pProfile, pSession->pCurRoamProfile); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrRoamPrepareFilterFromProfile(pMac, pProfile, pScanFilter); |
| }//We have a profile |
| roamId = GET_NEXT_ROAM_ID(&pMac->roam); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| //we want to put the last connected BSS to the very beginning, if possible |
| csrMoveBssToHeadFromBSSID(pMac, &pSession->connectedProfile.bssid, hBSSList); |
| status = csrRoamIssueConnect(pMac, sessionId, pProfile, hBSSList, |
| eCsrCapsChange, 0, eANI_BOOLEAN_TRUE, eANI_BOOLEAN_TRUE); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanResultPurge(pMac, hBSSList); |
| } |
| }//Have scan result |
| else |
| { |
| smsLog(pMac, LOGW, FL("cannot find matching BSS of %02X-%02X-%02X-%02X-%02X-%02X\n"), |
| pSession->connectedProfile.bssid[0], |
| pSession->connectedProfile.bssid[1], |
| pSession->connectedProfile.bssid[2], |
| pSession->connectedProfile.bssid[3], |
| pSession->connectedProfile.bssid[4], |
| pSession->connectedProfile.bssid[5]); |
| //Disconnect |
| csrRoamDisconnectInternal(pMac, sessionId, eCSR_DISCONNECT_REASON_UNSPECIFIED); |
| } |
| } |
| }while(0); |
| if(pScanFilter) |
| { |
| csrFreeScanFilter(pMac, pScanFilter); |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| if(NULL != pProfile) |
| { |
| csrReleaseProfile(pMac, pProfile); |
| palFreeMemory(pMac->hHdd, pProfile); |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| eHalStatus csrScanResultPurge(tpAniSirGlobal pMac, tScanResultHandle hScanList) |
| { |
| eHalStatus status = eHAL_STATUS_INVALID_PARAMETER; |
| tScanResultList *pScanList = (tScanResultList *)hScanList; |
| |
| if(pScanList) |
| { |
| status = csrLLScanPurgeResult(pMac, &pScanList->List); |
| csrLLClose(&pScanList->List); |
| palFreeMemory(pMac->hHdd, pScanList); |
| } |
| return (status); |
| } |
| |
| |
| static tANI_U32 csrGetBssPreferValue(tpAniSirGlobal pMac, int rssi) |
| { |
| tANI_U32 ret = 0; |
| int i = CSR_NUM_RSSI_CAT - 1; |
| |
| while(i >= 0) |
| { |
| if(rssi >= pMac->roam.configParam.RSSICat[i]) |
| { |
| ret = pMac->roam.configParam.BssPreferValue[i]; |
| break; |
| } |
| i--; |
| }; |
| |
| return (ret); |
| } |
| |
| |
| //Return a CapValue base on the capabilities of a BSS |
| static tANI_U32 csrGetBssCapValue(tpAniSirGlobal pMac, tSirBssDescription *pBssDesc, tDot11fBeaconIEs *pIes) |
| { |
| tANI_U32 ret = CSR_BSS_CAP_VALUE_NONE; |
| |
| if( pIes ) |
| { |
| //We only care about 11N capability |
| if(pIes->HTCaps.present) |
| { |
| ret += CSR_BSS_CAP_VALUE_HT; |
| } |
| if(CSR_IS_QOS_BSS(pIes)) |
| { |
| ret += CSR_BSS_CAP_VALUE_WMM; |
| //Give advantage to UAPSD |
| if(CSR_IS_UAPSD_BSS(pIes)) |
| { |
| ret += CSR_BSS_CAP_VALUE_UAPSD; |
| } |
| } |
| } |
| |
| return (ret); |
| } |
| |
| |
| //To check whther pBss1 is better than pBss2 |
| static tANI_BOOLEAN csrIsBetterBss(tCsrScanResult *pBss1, tCsrScanResult *pBss2) |
| { |
| tANI_BOOLEAN ret; |
| |
| if(CSR_IS_BETTER_PREFER_VALUE(pBss1->preferValue, pBss2->preferValue)) |
| { |
| ret = eANI_BOOLEAN_TRUE; |
| } |
| else if(CSR_IS_EQUAL_PREFER_VALUE(pBss1->preferValue, pBss2->preferValue)) |
| { |
| if(CSR_IS_BETTER_CAP_VALUE(pBss1->capValue, pBss2->capValue)) |
| { |
| ret = eANI_BOOLEAN_TRUE; |
| } |
| else |
| { |
| ret = eANI_BOOLEAN_FALSE; |
| } |
| } |
| else |
| { |
| ret = eANI_BOOLEAN_FALSE; |
| } |
| |
| return (ret); |
| } |
| |
| |
| #ifdef FEATURE_WLAN_LFR |
| //Add the channel to the occupiedChannels array |
| static void csrScanAddToOccupiedChannels( |
| tpAniSirGlobal pMac, |
| tCsrScanResult *pResult, |
| tCsrChannel *pOccupiedChannels, |
| tDot11fBeaconIEs *pIes) |
| { |
| eHalStatus status; |
| tANI_U8 channel; |
| tANI_U8 numOccupiedChannels = pOccupiedChannels->numChannels; |
| tANI_U8 *pOccupiedChannelList = pOccupiedChannels->channelList; |
| |
| channel = pResult->Result.BssDescriptor.channelId; |
| |
| if (!csrIsChannelPresentInList(pOccupiedChannelList, numOccupiedChannels, channel) |
| && csrNeighborRoamIsSsidCandidateMatch(pMac, pIes)) |
| { |
| status = csrAddToChannelListFront(pOccupiedChannelList, numOccupiedChannels, channel); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| pOccupiedChannels->numChannels++; |
| if (pOccupiedChannels->numChannels > CSR_BG_SCAN_OCCUPIED_CHANNEL_LIST_LEN) |
| pOccupiedChannels->numChannels = CSR_BG_SCAN_OCCUPIED_CHANNEL_LIST_LEN; |
| } |
| } |
| } |
| #endif |
| |
| //Put the BSS into the scan result list |
| //pIes can not be NULL |
| static void csrScanAddResult(tpAniSirGlobal pMac, tCsrScanResult *pResult, tDot11fBeaconIEs *pIes) |
| { |
| pResult->preferValue = csrGetBssPreferValue(pMac, (int)pResult->Result.BssDescriptor.rssi); |
| pResult->capValue = csrGetBssCapValue(pMac, &pResult->Result.BssDescriptor, pIes); |
| csrLLInsertTail( &pMac->scan.scanResultList, &pResult->Link, LL_ACCESS_LOCK ); |
| #ifdef FEATURE_WLAN_LFR |
| csrScanAddToOccupiedChannels(pMac, pResult, &pMac->scan.occupiedChannels, pIes); |
| #endif |
| } |
| |
| |
| eHalStatus csrScanGetResult(tpAniSirGlobal pMac, tCsrScanResultFilter *pFilter, tScanResultHandle *phResult) |
| { |
| eHalStatus status; |
| tScanResultList *pRetList; |
| tCsrScanResult *pResult, *pBssDesc; |
| tANI_U32 count = 0; |
| tListElem *pEntry; |
| tANI_U32 bssLen, allocLen; |
| eCsrEncryptionType uc = eCSR_ENCRYPT_TYPE_NONE, mc = eCSR_ENCRYPT_TYPE_NONE; |
| eCsrAuthType auth = eCSR_AUTH_TYPE_OPEN_SYSTEM; |
| tDot11fBeaconIEs *pIes, *pNewIes; |
| tANI_BOOLEAN fMatch; |
| |
| if(phResult) |
| { |
| *phResult = CSR_INVALID_SCANRESULT_HANDLE; |
| } |
| status = palAllocateMemory(pMac->hHdd, (void **)&pRetList, sizeof(tScanResultList)); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pRetList, sizeof(tScanResultList)); |
| csrLLOpen(pMac->hHdd, &pRetList->List); |
| pRetList->pCurEntry = NULL; |
| |
| csrLLLock(&pMac->scan.scanResultList); |
| pEntry = csrLLPeekHead( &pMac->scan.scanResultList, LL_ACCESS_NOLOCK ); |
| while( pEntry ) |
| { |
| pBssDesc = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| pIes = (tDot11fBeaconIEs *)( pBssDesc->Result.pvIes ); |
| //if pBssDesc->Result.pvIes is NULL, we need to free any memory allocated by csrMatchBSS |
| //for any error condition, otherwiase, it will be freed later. |
| //reset |
| fMatch = eANI_BOOLEAN_FALSE; |
| pNewIes = NULL; |
| |
| if(pFilter) |
| { |
| fMatch = csrMatchBSS(pMac, &pBssDesc->Result.BssDescriptor, pFilter, &auth, &uc, &mc, &pIes); |
| if( NULL != pIes ) |
| { |
| //Only save it when matching |
| if(fMatch) |
| { |
| if( !pBssDesc->Result.pvIes ) |
| { |
| //csrMatchBSS allocates the memory. Simply pass it and it is freed later |
| pNewIes = pIes; |
| } |
| else |
| { |
| //The pIes is allocated by someone else. make a copy |
| //Only to save parsed IEs if caller provides a filter. Most likely the caller |
| //is using to for association, hence save the parsed IEs |
| status = palAllocateMemory(pMac->hHdd, (void **)&pNewIes, sizeof(tDot11fBeaconIEs)); |
| if( HAL_STATUS_SUCCESS( status ) ) |
| { |
| palCopyMemory( pMac->hHdd, pNewIes, pIes, sizeof( tDot11fBeaconIEs ) ); |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL(" fail to allocate memory for IEs\n")); |
| //Need to free memory allocated by csrMatchBSS |
| if( !pBssDesc->Result.pvIes ) |
| { |
| palFreeMemory(pMac->hHdd, pIes); |
| } |
| break; |
| } |
| } |
| }//fMatch |
| else if( !pBssDesc->Result.pvIes ) |
| { |
| palFreeMemory(pMac->hHdd, pIes); |
| } |
| } |
| } |
| if(NULL == pFilter || fMatch) |
| { |
| bssLen = pBssDesc->Result.BssDescriptor.length + sizeof(pBssDesc->Result.BssDescriptor.length); |
| allocLen = sizeof( tCsrScanResult ) + bssLen; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pResult, allocLen); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL(" fail to allocate memory for scan result, len=%d\n"), allocLen); |
| if(pNewIes) |
| { |
| palFreeMemory(pMac->hHdd, pNewIes); |
| } |
| break; |
| } |
| palZeroMemory(pMac->hHdd, pResult, allocLen); |
| pResult->capValue = pBssDesc->capValue; |
| pResult->preferValue = pBssDesc->preferValue; |
| pResult->ucEncryptionType = uc; |
| pResult->mcEncryptionType = mc; |
| pResult->authType = auth; |
| pResult->Result.ssId = pBssDesc->Result.ssId; |
| pResult->Result.timer = 0; |
| //save the pIes for later use |
| pResult->Result.pvIes = pNewIes; |
| //save bss description |
| status = palCopyMemory(pMac->hHdd, &pResult->Result.BssDescriptor, &pBssDesc->Result.BssDescriptor, bssLen); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog(pMac, LOGE, FL(" fail to copy memory for scan result\n")); |
| palFreeMemory(pMac->hHdd, pResult); |
| if(pNewIes) |
| { |
| palFreeMemory(pMac->hHdd, pNewIes); |
| } |
| break; |
| } |
| //No need to lock pRetList because it is locally allocated and no outside can access it at this time |
| if(csrLLIsListEmpty(&pRetList->List, LL_ACCESS_NOLOCK)) |
| { |
| csrLLInsertTail(&pRetList->List, &pResult->Link, LL_ACCESS_NOLOCK); |
| } |
| else |
| { |
| //To sort the list |
| tListElem *pTmpEntry; |
| tCsrScanResult *pTmpResult; |
| |
| pTmpEntry = csrLLPeekHead(&pRetList->List, LL_ACCESS_NOLOCK); |
| while(pTmpEntry) |
| { |
| pTmpResult = GET_BASE_ADDR( pTmpEntry, tCsrScanResult, Link ); |
| if(csrIsBetterBss(pResult, pTmpResult)) |
| { |
| csrLLInsertEntry(&pRetList->List, pTmpEntry, &pResult->Link, LL_ACCESS_NOLOCK); |
| //To indicate we are done |
| pResult = NULL; |
| break; |
| } |
| pTmpEntry = csrLLNext(&pRetList->List, pTmpEntry, LL_ACCESS_NOLOCK); |
| } |
| if(pResult != NULL) |
| { |
| //This one is not better than any one |
| csrLLInsertTail(&pRetList->List, &pResult->Link, LL_ACCESS_NOLOCK); |
| } |
| } |
| count++; |
| } |
| pEntry = csrLLNext( &pMac->scan.scanResultList, pEntry, LL_ACCESS_NOLOCK ); |
| }//while |
| csrLLUnlock(&pMac->scan.scanResultList); |
| |
| smsLog(pMac, LOG2, FL("return %d BSS\n"), csrLLCount(&pRetList->List)); |
| |
| if( !HAL_STATUS_SUCCESS(status) || (phResult == NULL) ) |
| { |
| //Fail or No one wants the result. |
| csrScanResultPurge(pMac, (tScanResultHandle)pRetList); |
| } |
| else |
| { |
| if(0 == count) |
| { |
| //We are here meaning the there is no match |
| csrLLClose(&pRetList->List); |
| palFreeMemory(pMac->hHdd, pRetList); |
| status = eHAL_STATUS_E_NULL_VALUE; |
| } |
| else if(phResult) |
| { |
| *phResult = pRetList; |
| } |
| } |
| }//Allocated pRetList |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanFlushResult(tpAniSirGlobal pMac) |
| { |
| return ( csrLLScanPurgeResult(pMac, &pMac->scan.scanResultList) ); |
| } |
| |
| /** |
| * csrCheck11dChannel |
| * |
| *FUNCTION: |
| * This function is called from csrScanFilter11dResult function and |
| * compare channel number with given channel list. |
| * |
| *LOGIC: |
| * Check Scan result channel number with CFG channel list |
| * |
| *ASSUMPTIONS: |
| * |
| * |
| *NOTE: |
| * |
| * @param channelId channel number |
| * @param pChannelList Pointer to channel list |
| * @param numChannels Number of channel in channel list |
| * |
| * @return Status |
| */ |
| |
| eHalStatus csrCheck11dChannel(tANI_U8 channelId, tANI_U8 *pChannelList, tANI_U32 numChannels) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tANI_U8 i = 0; |
| |
| for (i = 0; i < numChannels; i++) |
| { |
| if(pChannelList[ i ] == channelId) |
| { |
| status = eHAL_STATUS_SUCCESS; |
| break; |
| } |
| } |
| return status; |
| } |
| |
| /** |
| * csrScanFilter11dResult |
| * |
| *FUNCTION: |
| * This function is called from csrApplyCountryInformation function and |
| * filter scan result based on valid channel list number. |
| * |
| *LOGIC: |
| * Get scan result from scan list and Check Scan result channel number |
| * with 11d channel list if channel number is found in 11d channel list |
| * then do not remove scan result entry from scan list |
| * |
| *ASSUMPTIONS: |
| * |
| * |
| *NOTE: |
| * |
| * @param pMac Pointer to Global MAC structure |
| * |
| * @return Status |
| */ |
| |
| eHalStatus csrScanFilter11dResult(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tListElem *pEntry,*pTempEntry; |
| tCsrScanResult *pBssDesc; |
| tANI_U32 len = sizeof(pMac->roam.validChannelList); |
| |
| /* Get valid channels list from CFG */ |
| if (!HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, |
| pMac->roam.validChannelList, &len))) |
| { |
| smsLog( pMac, LOG1, "Failed to get Channel list from CFG"); |
| } |
| |
| pEntry = csrLLPeekHead( &pMac->scan.scanResultList, LL_ACCESS_LOCK ); |
| while( pEntry ) |
| { |
| pBssDesc = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| pTempEntry = csrLLNext( &pMac->scan.scanResultList, pEntry, |
| LL_ACCESS_LOCK ); |
| if(csrCheck11dChannel(pBssDesc->Result.BssDescriptor.channelId, |
| pMac->roam.validChannelList, len)) |
| { |
| /* Remove Scan result which does not have 11d channel */ |
| if( csrLLRemoveEntry( &pMac->scan.scanResultList, pEntry, |
| LL_ACCESS_LOCK )) |
| { |
| csrFreeScanResultEntry( pMac, pBssDesc ); |
| } |
| } |
| pEntry = pTempEntry; |
| } |
| return status; |
| } |
| |
| |
| eHalStatus csrScanCopyResultList(tpAniSirGlobal pMac, tScanResultHandle hIn, tScanResultHandle *phResult) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tScanResultList *pRetList, *pInList = (tScanResultList *)hIn; |
| tCsrScanResult *pResult, *pScanResult; |
| tANI_U32 count = 0; |
| tListElem *pEntry; |
| tANI_U32 bssLen, allocLen; |
| |
| if(phResult) |
| { |
| *phResult = CSR_INVALID_SCANRESULT_HANDLE; |
| } |
| status = palAllocateMemory(pMac->hHdd, (void **)&pRetList, sizeof(tScanResultList)); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pRetList, sizeof(tScanResultList)); |
| csrLLOpen(pMac->hHdd, &pRetList->List); |
| pRetList->pCurEntry = NULL; |
| csrLLLock(&pMac->scan.scanResultList); |
| csrLLLock(&pInList->List); |
| |
| pEntry = csrLLPeekHead( &pInList->List, LL_ACCESS_NOLOCK ); |
| while( pEntry ) |
| { |
| pScanResult = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| bssLen = pScanResult->Result.BssDescriptor.length + sizeof(pScanResult->Result.BssDescriptor.length); |
| allocLen = sizeof( tCsrScanResult ) + bssLen; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pResult, allocLen); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanResultPurge(pMac, (tScanResultHandle *)pRetList); |
| count = 0; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, pResult, allocLen); |
| status = palCopyMemory(pMac->hHdd, &pResult->Result.BssDescriptor, &pScanResult->Result.BssDescriptor, bssLen); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanResultPurge(pMac, (tScanResultHandle *)pRetList); |
| count = 0; |
| break; |
| } |
| if( pScanResult->Result.pvIes ) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pResult->Result.pvIes, sizeof( tDot11fBeaconIEs )); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| //Free the memory we allocate above first |
| palFreeMemory( pMac->hHdd, pResult ); |
| csrScanResultPurge(pMac, (tScanResultHandle *)pRetList); |
| count = 0; |
| break; |
| } |
| status = palCopyMemory(pMac->hHdd, pResult->Result.pvIes, |
| pScanResult->Result.pvIes, sizeof( tDot11fBeaconIEs )); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| //Free the memory we allocate above first |
| palFreeMemory( pMac->hHdd, pResult ); |
| csrScanResultPurge(pMac, (tScanResultHandle *)pRetList); |
| count = 0; |
| break; |
| } |
| } |
| csrLLInsertTail(&pRetList->List, &pResult->Link, LL_ACCESS_LOCK); |
| count++; |
| pEntry = csrLLNext( &pInList->List, pEntry, LL_ACCESS_NOLOCK ); |
| }//while |
| csrLLUnlock(&pInList->List); |
| csrLLUnlock(&pMac->scan.scanResultList); |
| |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| if(0 == count) |
| { |
| csrLLClose(&pRetList->List); |
| palFreeMemory(pMac->hHdd, pRetList); |
| status = eHAL_STATUS_E_NULL_VALUE; |
| } |
| else if(phResult) |
| { |
| *phResult = pRetList; |
| } |
| } |
| }//Allocated pRetList |
| |
| return (status); |
| } |
| |
| |
| |
| eHalStatus csrScanningStateMsgProcessor( tpAniSirGlobal pMac, void *pMsgBuf ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirMbMsg *pMsg = (tSirMbMsg *)pMsgBuf; |
| |
| if((eWNI_SME_SCAN_RSP == pMsg->type) || (eWNI_SME_GET_SCANNED_CHANNEL_RSP == pMsg->type)) |
| { |
| status = csrScanSmeScanResponse( pMac, pMsgBuf ); |
| } |
| else |
| { |
| if( csrIsAnySessionInConnectState( pMac ) ) |
| { |
| //In case of we are connected, we need to check whether connect status changes |
| //because scan may also run while connected. |
| csrRoamCheckForLinkStatusChange( pMac, ( tSirSmeRsp * )pMsgBuf ); |
| } |
| else |
| { |
| smsLog( pMac, LOGW, "Message [0x%04x] received in state, when expecting Scan Response\n", pMsg->type ); |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| void csrCheckNSaveWscIe(tpAniSirGlobal pMac, tSirBssDescription *pNewBssDescr, tSirBssDescription *pOldBssDescr) |
| { |
| int idx, len; |
| tANI_U8 *pbIe; |
| |
| //If failed to remove, assuming someone else got it. |
| if((pNewBssDescr->fProbeRsp != pOldBssDescr->fProbeRsp) && |
| (0 == pNewBssDescr->WscIeLen)) |
| { |
| idx = 0; |
| len = pOldBssDescr->length - sizeof(tSirBssDescription) + |
| sizeof(tANI_U16) + sizeof(tANI_U32) - DOT11F_IE_WSCPROBERES_MIN_LEN - 2; |
| pbIe = (tANI_U8 *)pOldBssDescr->ieFields; |
| //Save WPS IE if it exists |
| pNewBssDescr->WscIeLen = 0; |
| while(idx < len) |
| { |
| if((DOT11F_EID_WSCPROBERES == pbIe[0]) && |
| (0x00 == pbIe[2]) && (0x50 == pbIe[3]) && (0xf2 == pbIe[4]) && (0x04 == pbIe[5])) |
| { |
| //Founrd it |
| if((DOT11F_IE_WSCPROBERES_MAX_LEN - 2) >= pbIe[1]) |
| { |
| palCopyMemory(pMac->hHdd, pNewBssDescr->WscIeProbeRsp, |
| pbIe, pbIe[1] + 2); |
| pNewBssDescr->WscIeLen = pbIe[1] + 2; |
| } |
| break; |
| } |
| idx += pbIe[1] + 2; |
| pbIe += pbIe[1] + 2; |
| } |
| } |
| } |
| |
| |
| |
| //pIes may be NULL |
| tANI_BOOLEAN csrRemoveDupBssDescription( tpAniSirGlobal pMac, tSirBssDescription *pSirBssDescr, |
| tDot11fBeaconIEs *pIes, tAniSSID *pSsid , v_TIME_t *timer ) |
| { |
| tListElem *pEntry; |
| |
| tCsrScanResult *pBssDesc; |
| tANI_BOOLEAN fRC = FALSE; |
| |
| // Walk through all the chained BssDescriptions. If we find a chained BssDescription that |
| // matches the BssID of the BssDescription passed in, then these must be duplicate scan |
| // results for this Bss. In that case, remove the 'old' Bss description from the linked list. |
| pEntry = csrLLPeekHead( &pMac->scan.scanResultList, LL_ACCESS_LOCK ); |
| |
| while( pEntry ) |
| { |
| pBssDesc = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| |
| // we have a duplicate scan results only when BSSID, SSID, Channel and NetworkType |
| // matches |
| if ( csrIsDuplicateBssDescription( pMac, &pBssDesc->Result.BssDescriptor, |
| pSirBssDescr, pIes ) ) |
| { |
| pSirBssDescr->rssi = (tANI_S8)( (((tANI_S32)pSirBssDescr->rssi * CSR_SCAN_RESULT_RSSI_WEIGHT ) + |
| ((tANI_S32)pBssDesc->Result.BssDescriptor.rssi * (100 - CSR_SCAN_RESULT_RSSI_WEIGHT) )) / 100 ); |
| // Remove the 'old' entry from the list.... |
| if( csrLLRemoveEntry( &pMac->scan.scanResultList, pEntry, LL_ACCESS_LOCK ) ) |
| { |
| // !we need to free the memory associated with this node |
| //If failed to remove, assuming someone else got it. |
| *pSsid = pBssDesc->Result.ssId; |
| *timer = pBssDesc->Result.timer; |
| csrCheckNSaveWscIe(pMac, pSirBssDescr, &pBssDesc->Result.BssDescriptor); |
| |
| csrFreeScanResultEntry( pMac, pBssDesc ); |
| } |
| else |
| { |
| smsLog( pMac, LOGW, FL( " fail to remove entry\n" ) ); |
| } |
| fRC = TRUE; |
| |
| // If we found a match, we can stop looking through the list. |
| break; |
| } |
| |
| pEntry = csrLLNext( &pMac->scan.scanResultList, pEntry, LL_ACCESS_LOCK ); |
| } |
| |
| return fRC; |
| } |
| |
| |
| eHalStatus csrAddPMKIDCandidateList( tpAniSirGlobal pMac, tANI_U32 sessionId, |
| tSirBssDescription *pBssDesc, tDot11fBeaconIEs *pIes ) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, "csrAddPMKIDCandidateList called pMac->scan.NumPmkidCandidate = %d\n", pSession->NumPmkidCandidate); |
| if( pIes ) |
| { |
| // check if this is a RSN BSS |
| if( pIes->RSN.present ) |
| { |
| // Check if the BSS is capable of doing pre-authentication |
| if( pSession->NumPmkidCandidate < CSR_MAX_PMKID_ALLOWED ) |
| { |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| WLAN_VOS_DIAG_EVENT_DEF(secEvent, vos_event_wlan_security_payload_type); |
| palZeroMemory(pMac->hHdd, &secEvent, sizeof(vos_event_wlan_security_payload_type)); |
| secEvent.eventId = WLAN_SECURITY_EVENT_PMKID_CANDIDATE_FOUND; |
| secEvent.encryptionModeMulticast = |
| (v_U8_t)diagEncTypeFromCSRType(pSession->connectedProfile.mcEncryptionType); |
| secEvent.encryptionModeUnicast = |
| (v_U8_t)diagEncTypeFromCSRType(pSession->connectedProfile.EncryptionType); |
| palCopyMemory( pMac->hHdd, secEvent.bssid, pSession->connectedProfile.bssid, 6 ); |
| secEvent.authMode = |
| (v_U8_t)diagAuthTypeFromCSRType(pSession->connectedProfile.AuthType); |
| WLAN_VOS_DIAG_EVENT_REPORT(&secEvent, EVENT_WLAN_SECURITY); |
| } |
| #endif//#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| |
| // if yes, then add to PMKIDCandidateList |
| status = palCopyMemory(pMac->hHdd, pSession->PmkidCandidateInfo[pSession->NumPmkidCandidate].BSSID, |
| pBssDesc->bssId, WNI_CFG_BSSID_LEN); |
| |
| if( HAL_STATUS_SUCCESS( status ) ) |
| { |
| if ( pIes->RSN.preauth ) |
| { |
| pSession->PmkidCandidateInfo[pSession->NumPmkidCandidate].preAuthSupported = eANI_BOOLEAN_TRUE; |
| } |
| else |
| { |
| pSession->PmkidCandidateInfo[pSession->NumPmkidCandidate].preAuthSupported = eANI_BOOLEAN_FALSE; |
| } |
| pSession->NumPmkidCandidate++; |
| } |
| } |
| else |
| { |
| status = eHAL_STATUS_FAILURE; |
| } |
| } |
| } |
| |
| return (status); |
| } |
| |
| //This function checks whether new AP is found for the current connected profile |
| //If it is found, it return the sessionId, else it return invalid sessionID |
| tANI_U32 csrProcessBSSDescForPMKIDList(tpAniSirGlobal pMac, |
| tSirBssDescription *pBssDesc, |
| tDot11fBeaconIEs *pIes) |
| { |
| tANI_U32 i, bRet = CSR_SESSION_ID_INVALID; |
| tCsrRoamSession *pSession; |
| tDot11fBeaconIEs *pIesLocal = pIes; |
| |
| if( pIesLocal || HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pBssDesc, &pIesLocal)) ) |
| { |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| if( CSR_IS_SESSION_VALID( pMac, i ) ) |
| { |
| pSession = CSR_GET_SESSION( pMac, i ); |
| if( csrIsConnStateConnectedInfra( pMac, i ) && |
| ( eCSR_AUTH_TYPE_RSN == pSession->connectedProfile.AuthType ) ) |
| { |
| if(csrMatchBSSToConnectProfile(pMac, &pSession->connectedProfile, pBssDesc, pIesLocal)) |
| { |
| //this new BSS fits the current profile connected |
| if(HAL_STATUS_SUCCESS(csrAddPMKIDCandidateList(pMac, i, pBssDesc, pIesLocal))) |
| { |
| bRet = i; |
| } |
| break; |
| } |
| } |
| } |
| } |
| if( !pIes ) |
| { |
| palFreeMemory(pMac->hHdd, pIesLocal); |
| } |
| } |
| |
| return (tANI_U8)bRet; |
| } |
| |
| #ifdef FEATURE_WLAN_WAPI |
| eHalStatus csrAddBKIDCandidateList( tpAniSirGlobal pMac, tANI_U32 sessionId, |
| tSirBssDescription *pBssDesc, tDot11fBeaconIEs *pIes ) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, "csrAddBKIDCandidateList called pMac->scan.NumBkidCandidate = %d\n", pSession->NumBkidCandidate); |
| if( pIes ) |
| { |
| // check if this is a WAPI BSS |
| if( pIes->WAPI.present ) |
| { |
| // Check if the BSS is capable of doing pre-authentication |
| if( pSession->NumBkidCandidate < CSR_MAX_BKID_ALLOWED ) |
| { |
| |
| // if yes, then add to BKIDCandidateList |
| status = palCopyMemory(pMac->hHdd, pSession->BkidCandidateInfo[pSession->NumBkidCandidate].BSSID, |
| pBssDesc->bssId, WNI_CFG_BSSID_LEN); |
| |
| if( HAL_STATUS_SUCCESS( status ) ) |
| { |
| if ( pIes->WAPI.preauth ) |
| { |
| pSession->BkidCandidateInfo[pSession->NumBkidCandidate].preAuthSupported = eANI_BOOLEAN_TRUE; |
| } |
| else |
| { |
| pSession->BkidCandidateInfo[pSession->NumBkidCandidate].preAuthSupported = eANI_BOOLEAN_FALSE; |
| } |
| pSession->NumBkidCandidate++; |
| } |
| } |
| else |
| { |
| status = eHAL_STATUS_FAILURE; |
| } |
| } |
| } |
| |
| return (status); |
| } |
| |
| //This function checks whether new AP is found for the current connected profile |
| //if so add to BKIDCandidateList |
| tANI_BOOLEAN csrProcessBSSDescForBKIDList(tpAniSirGlobal pMac, tSirBssDescription *pBssDesc, |
| tDot11fBeaconIEs *pIes) |
| { |
| tANI_BOOLEAN fRC = FALSE; |
| tDot11fBeaconIEs *pIesLocal = pIes; |
| tANI_U32 sessionId; |
| tCsrRoamSession *pSession; |
| |
| if( pIesLocal || HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pBssDesc, &pIesLocal)) ) |
| { |
| for( sessionId = 0; sessionId < CSR_ROAM_SESSION_MAX; sessionId++ ) |
| { |
| if( CSR_IS_SESSION_VALID( pMac, sessionId) ) |
| { |
| pSession = CSR_GET_SESSION( pMac, sessionId ); |
| if( csrIsConnStateConnectedInfra( pMac, sessionId ) && |
| eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE == pSession->connectedProfile.AuthType) |
| { |
| if(csrMatchBSSToConnectProfile(pMac, &pSession->connectedProfile,pBssDesc, pIesLocal)) |
| { |
| //this new BSS fits the current profile connected |
| if(HAL_STATUS_SUCCESS(csrAddBKIDCandidateList(pMac, sessionId, pBssDesc, pIesLocal))) |
| { |
| fRC = TRUE; |
| } |
| } |
| } |
| } |
| } |
| if(!pIes) |
| { |
| palFreeMemory(pMac->hHdd, pIesLocal); |
| } |
| |
| } |
| return fRC; |
| } |
| |
| #endif |
| |
| |
| static void csrMoveTempScanResultsToMainList( tpAniSirGlobal pMac ) |
| { |
| tListElem *pEntry; |
| tCsrScanResult *pBssDescription; |
| tANI_S8 cand_Bss_rssi; |
| tANI_BOOLEAN fDupBss; |
| #ifdef FEATURE_WLAN_WAPI |
| tANI_BOOLEAN fNewWapiBSSForCurConnection = eANI_BOOLEAN_FALSE; |
| #endif /* FEATURE_WLAN_WAPI */ |
| tDot11fBeaconIEs *pIesLocal = NULL; |
| tANI_U32 sessionId = CSR_SESSION_ID_INVALID; |
| tAniSSID tmpSsid; |
| v_TIME_t timer=0; |
| |
| tmpSsid.length = 0; |
| cand_Bss_rssi = -128; // RSSI coming from PE is -ve |
| |
| // remove the BSS descriptions from temporary list |
| while( ( pEntry = csrLLRemoveTail( &pMac->scan.tempScanResults, LL_ACCESS_LOCK ) ) != NULL) |
| { |
| pBssDescription = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| |
| smsLog( pMac, LOG2, "...Bssid= %02x-%02x-%02x-%02x-%02x-%02x chan= %d, rssi = -%d\n", |
| pBssDescription->Result.BssDescriptor.bssId[ 0 ], pBssDescription->Result.BssDescriptor.bssId[ 1 ], |
| pBssDescription->Result.BssDescriptor.bssId[ 2 ], pBssDescription->Result.BssDescriptor.bssId[ 3 ], |
| pBssDescription->Result.BssDescriptor.bssId[ 4 ], pBssDescription->Result.BssDescriptor.bssId[ 5 ], |
| pBssDescription->Result.BssDescriptor.channelId, |
| pBssDescription->Result.BssDescriptor.rssi * (-1) ); |
| |
| //At this time, pBssDescription->Result.pvIes may be NULL |
| pIesLocal = (tDot11fBeaconIEs *)( pBssDescription->Result.pvIes ); |
| if( !pIesLocal && (!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, &pBssDescription->Result.BssDescriptor, &pIesLocal))) ) |
| { |
| smsLog(pMac, LOGE, FL(" Cannot pared IEs\n")); |
| csrFreeScanResultEntry(pMac, pBssDescription); |
| continue; |
| } |
| fDupBss = csrRemoveDupBssDescription( pMac, &pBssDescription->Result.BssDescriptor, pIesLocal, &tmpSsid , &timer ); |
| //Check whether we have reach out limit |
| if( CSR_SCAN_IS_OVER_BSS_LIMIT(pMac) ) |
| { |
| //Limit reach |
| smsLog(pMac, LOGW, FL(" BSS limit reached\n")); |
| //Free the resources |
| if( (pBssDescription->Result.pvIes == NULL) && pIesLocal ) |
| { |
| palFreeMemory(pMac->hHdd, pIesLocal); |
| } |
| csrFreeScanResultEntry(pMac, pBssDescription); |
| //Continue because there may be duplicated BSS |
| continue; |
| } |
| // check for duplicate scan results |
| if ( !fDupBss ) |
| { |
| //Found a new BSS |
| sessionId = csrProcessBSSDescForPMKIDList(pMac, |
| &pBssDescription->Result.BssDescriptor, pIesLocal); |
| if( CSR_SESSION_ID_INVALID != sessionId) |
| { |
| csrRoamCallCallback(pMac, sessionId, NULL, 0, |
| eCSR_ROAM_SCAN_FOUND_NEW_BSS, eCSR_ROAM_RESULT_NONE); |
| } |
| } |
| else |
| { |
| //Check if the new one has SSID it it, if not, use the older SSID if it exists. |
| if( (0 == pBssDescription->Result.ssId.length) && tmpSsid.length ) |
| { |
| //New BSS has a hidden SSID and old one has the SSID. Keep the SSID only |
| //if diff of saved SSID time and current time is less than 1 min to avoid |
| //side effect of saving SSID with old one is that if AP changes its SSID while remain |
| //hidden, we may never see it and also to address the requirement of |
| //When we remove hidden ssid from the profile i.e., forget the SSID via |
| // GUI that SSID shouldn't see in the profile |
| if( (vos_timer_get_system_time() - timer) <= HIDDEN_TIMER) |
| { |
| pBssDescription->Result.timer = timer; |
| pBssDescription->Result.ssId = tmpSsid; |
| } |
| } |
| } |
| |
| //Tush: find a good AP for 11d info |
| if( csrIs11dSupported( pMac ) ) |
| { |
| if(cand_Bss_rssi < pBssDescription->Result.BssDescriptor.rssi) |
| { |
| // check if country information element is present |
| if(pIesLocal->Country.present) |
| { |
| cand_Bss_rssi = pBssDescription->Result.BssDescriptor.rssi; |
| // learn country information |
| csrLearnCountryInformation( pMac, &pBssDescription->Result.BssDescriptor, |
| pIesLocal, eANI_BOOLEAN_FALSE ); |
| } |
| |
| } |
| } |
| |
| else if( csrIs11hSupported( pMac ) && pIesLocal->Country.present && |
| !pMac->roam.configParam.fSupplicantCountryCodeHasPriority ) |
| { |
| /* If 11h is supported, store the power information received in the Country IE */ |
| csrSaveToChannelPower2G_5G( pMac, pIesLocal->Country.num_triplets * sizeof(tSirMacChanInfo), |
| (tSirMacChanInfo *)(&pIesLocal->Country.triplets[0]) ); |
| } |
| |
| // append to main list |
| csrScanAddResult(pMac, pBssDescription, pIesLocal); |
| if( (pBssDescription->Result.pvIes == NULL) && pIesLocal ) |
| { |
| palFreeMemory(pMac->hHdd, pIesLocal); |
| } |
| } |
| |
| //Tush: If we can find the current 11d info in any of the scan results, or |
| // a good enough AP with the 11d info from the scan results then no need to |
| // get into ambiguous state |
| if(pMac->scan.fAmbiguous11dInfoFound) |
| { |
| if((pMac->scan.fCurrent11dInfoMatch) || (cand_Bss_rssi != -128)) |
| { |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_FALSE; |
| } |
| } |
| |
| #ifdef FEATURE_WLAN_WAPI |
| if(fNewWapiBSSForCurConnection) |
| { |
| //remember it first |
| csrRoamCallCallback(pMac, sessionId, NULL, 0, eCSR_ROAM_SCAN_FOUND_NEW_BSS, eCSR_ROAM_RESULT_NEW_WAPI_BSS); |
| } |
| #endif /* FEATURE_WLAN_WAPI */ |
| |
| return; |
| } |
| |
| |
| static tCsrScanResult *csrScanSaveBssDescription( tpAniSirGlobal pMac, tSirBssDescription *pBSSDescription, |
| tDot11fBeaconIEs *pIes) |
| { |
| tCsrScanResult *pCsrBssDescription = NULL; |
| tANI_U32 cbBSSDesc; |
| tANI_U32 cbAllocated; |
| eHalStatus halStatus; |
| |
| // figure out how big the BSS description is (the BSSDesc->length does NOT |
| // include the size of the length field itself). |
| cbBSSDesc = pBSSDescription->length + sizeof( pBSSDescription->length ); |
| |
| cbAllocated = sizeof( tCsrScanResult ) + cbBSSDesc; |
| |
| halStatus = palAllocateMemory( pMac->hHdd, (void **)&pCsrBssDescription, cbAllocated ); |
| if ( HAL_STATUS_SUCCESS(halStatus) ) |
| { |
| palZeroMemory( pMac->hHdd, pCsrBssDescription, cbAllocated ); |
| pCsrBssDescription->AgingCount = (tANI_S32)pMac->roam.configParam.agingCount; |
| palCopyMemory(pMac->hHdd, &pCsrBssDescription->Result.BssDescriptor, pBSSDescription, cbBSSDesc ); |
| #if defined(VOSS_ENSBALED) |
| VOS_ASSERT( pCsrBssDescription->Result.pvIes == NULL ); |
| #endif |
| csrScanAddResult(pMac, pCsrBssDescription, pIes); |
| } |
| |
| return( pCsrBssDescription ); |
| } |
| |
| // Append a Bss Description... |
| tCsrScanResult *csrScanAppendBssDescription( tpAniSirGlobal pMac, |
| tSirBssDescription *pSirBssDescription, |
| tDot11fBeaconIEs *pIes ) |
| { |
| tCsrScanResult *pCsrBssDescription = NULL; |
| tAniSSID tmpSsid; |
| v_TIME_t timer = 0; |
| int result; |
| |
| tmpSsid.length = 0; |
| result = csrRemoveDupBssDescription( pMac, pSirBssDescription, pIes, &tmpSsid, &timer ); |
| pCsrBssDescription = csrScanSaveBssDescription( pMac, pSirBssDescription, pIes ); |
| if (result && (pCsrBssDescription != NULL)) |
| { |
| //Check if the new one has SSID it it, if not, use the older SSID if it exists. |
| if( (0 == pCsrBssDescription->Result.ssId.length) && tmpSsid.length ) |
| { |
| //New BSS has a hidden SSID and old one has the SSID. Keep the SSID only |
| //if diff of saved SSID time and current time is less than 1 min to avoid |
| //side effect of saving SSID with old one is that if AP changes its SSID while remain |
| //hidden, we may never see it and also to address the requirement of |
| //When we remove hidden ssid from the profile i.e., forget the SSID via |
| // GUI that SSID shouldn't see in the profile |
| if((vos_timer_get_system_time()-timer) <= HIDDEN_TIMER) |
| { |
| pCsrBssDescription->Result.ssId = tmpSsid; |
| pCsrBssDescription->Result.timer = timer; |
| } |
| } |
| } |
| |
| |
| return( pCsrBssDescription ); |
| } |
| |
| |
| |
| void csrPurgeChannelPower( tpAniSirGlobal pMac, tDblLinkList *pChannelList ) |
| { |
| tCsrChannelPowerInfo *pChannelSet; |
| tListElem *pEntry; |
| |
| csrLLLock(pChannelList); |
| // Remove the channel sets from the learned list and put them in the free list |
| while( ( pEntry = csrLLRemoveHead( pChannelList, LL_ACCESS_NOLOCK ) ) != NULL) |
| { |
| pChannelSet = GET_BASE_ADDR( pEntry, tCsrChannelPowerInfo, link ); |
| if( pChannelSet ) |
| { |
| palFreeMemory( pMac->hHdd, pChannelSet ); |
| } |
| } |
| csrLLUnlock(pChannelList); |
| return; |
| } |
| |
| |
| /* |
| * Save the channelList into the ultimate storage as the final stage of channel |
| * Input: pCountryInfo -- the country code (e.g. "USI"), channel list, and power limit are all stored inside this data structure |
| */ |
| eHalStatus csrSaveToChannelPower2G_5G( tpAniSirGlobal pMac, tANI_U32 tableSize, tSirMacChanInfo *channelTable ) |
| { |
| tANI_U32 i = tableSize / sizeof( tSirMacChanInfo ); |
| tSirMacChanInfo *pChannelInfo; |
| tCsrChannelPowerInfo *pChannelSet; |
| tANI_BOOLEAN f2GHzInfoFound = FALSE; |
| tANI_BOOLEAN f2GListPurged = FALSE, f5GListPurged = FALSE; |
| eHalStatus halStatus; |
| |
| pChannelInfo = channelTable; |
| // atleast 3 bytes have to be remaining -- from "countryString" |
| while ( i-- ) |
| { |
| halStatus = palAllocateMemory( pMac->hHdd, (void **)&pChannelSet, sizeof(tCsrChannelPowerInfo) ); |
| if ( eHAL_STATUS_SUCCESS == halStatus ) |
| { |
| palZeroMemory(pMac->hHdd, pChannelSet, sizeof(tCsrChannelPowerInfo)); |
| pChannelSet->firstChannel = pChannelInfo->firstChanNum; |
| pChannelSet->numChannels = pChannelInfo->numChannels; |
| |
| // Now set the inter-channel offset based on the frequency band the channel set lies in |
| if( (CSR_IS_CHANNEL_24GHZ(pChannelSet->firstChannel)) && |
| ((pChannelSet->firstChannel + (pChannelSet->numChannels - 1)) <= CSR_MAX_24GHz_CHANNEL_NUMBER) ) |
| |
| { |
| pChannelSet->interChannelOffset = 1; |
| f2GHzInfoFound = TRUE; |
| } |
| else if ( (CSR_IS_CHANNEL_5GHZ(pChannelSet->firstChannel)) && |
| ((pChannelSet->firstChannel + ((pChannelSet->numChannels - 1) * 4)) <= CSR_MAX_5GHz_CHANNEL_NUMBER) ) |
| { |
| pChannelSet->interChannelOffset = 4; |
| f2GHzInfoFound = FALSE; |
| } |
| else |
| { |
| smsLog( pMac, LOGW, FL("Invalid Channel %d Present in Country IE"), |
| pChannelSet->firstChannel); |
| palFreeMemory(pMac->hHdd, pChannelSet); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| pChannelSet->txPower = CSR_ROAM_MIN( pChannelInfo->maxTxPower, pMac->roam.configParam.nTxPowerCap ); |
| |
| if( f2GHzInfoFound ) |
| { |
| if( !f2GListPurged ) |
| { |
| // purge previous results if found new |
| csrPurgeChannelPower( pMac, &pMac->scan.channelPowerInfoList24 ); |
| f2GListPurged = TRUE; |
| } |
| |
| if(CSR_IS_OPERATING_BG_BAND(pMac)) |
| { |
| // add to the list of 2.4 GHz channel sets |
| csrLLInsertTail( &pMac->scan.channelPowerInfoList24, &pChannelSet->link, LL_ACCESS_LOCK ); |
| } |
| else { |
| smsLog( pMac, LOGW, FL("Adding 11B/G channels in 11A mode -- First Channel is %d"), |
| pChannelSet->firstChannel); |
| palFreeMemory(pMac->hHdd, pChannelSet); |
| } |
| } |
| else |
| { |
| // 5GHz info found |
| if( !f5GListPurged ) |
| { |
| // purge previous results if found new |
| csrPurgeChannelPower( pMac, &pMac->scan.channelPowerInfoList5G ); |
| f5GListPurged = TRUE; |
| } |
| |
| if(CSR_IS_OPERATING_A_BAND(pMac)) |
| { |
| // add to the list of 5GHz channel sets |
| csrLLInsertTail( &pMac->scan.channelPowerInfoList5G, &pChannelSet->link, LL_ACCESS_LOCK ); |
| } |
| else { |
| smsLog( pMac, LOGW, FL("Adding 11A channels in B/G mode -- First Channel is %d"), |
| pChannelSet->firstChannel); |
| palFreeMemory(pMac->hHdd, pChannelSet); |
| } |
| } |
| } |
| |
| pChannelInfo++; // move to next entry |
| } |
| |
| return eHAL_STATUS_SUCCESS; |
| } |
| |
| |
| |
| void csrApplyPower2Current( tpAniSirGlobal pMac ) |
| { |
| smsLog( pMac, LOG3, FL(" Updating Cfg with power settings\n")); |
| csrSaveTxPowerToCfg( pMac, &pMac->scan.channelPowerInfoList24, WNI_CFG_MAX_TX_POWER_2_4 ); |
| csrSaveTxPowerToCfg( pMac, &pMac->scan.channelPowerInfoList5G, WNI_CFG_MAX_TX_POWER_5 ); |
| } |
| |
| |
| void csrApplyChannelPowerCountryInfo( tpAniSirGlobal pMac, tCsrChannel *pChannelList, tANI_U8 *countryCode) |
| { |
| int i; |
| eNVChannelEnabledType channelEnabledType; |
| tANI_U8 numChannels = 0; |
| tANI_U8 tempNumChannels = 0; |
| tCsrChannel ChannelList; |
| if( pChannelList->numChannels ) |
| { |
| tempNumChannels = CSR_MIN(pChannelList->numChannels, WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| /* If user doesn't want to scan the DFS channels lets trim them from |
| the valid channel list*/ |
| if(FALSE == pMac->scan.fEnableDFSChnlScan) |
| { |
| for(i = 0; i< tempNumChannels; i++) |
| { |
| channelEnabledType = |
| vos_nv_getChannelEnabledState(pChannelList->channelList[i]); |
| if( NV_CHANNEL_ENABLE == channelEnabledType) |
| { |
| ChannelList.channelList[numChannels] = |
| pChannelList->channelList[i]; |
| numChannels++; |
| } |
| } |
| ChannelList.numChannels = numChannels; |
| } |
| else |
| { |
| ChannelList.numChannels = tempNumChannels; |
| vos_mem_copy(ChannelList.channelList, |
| pChannelList->channelList, |
| ChannelList.numChannels); |
| } |
| |
| csrSetCfgValidChannelList(pMac, ChannelList.channelList, ChannelList.numChannels); |
| // extend scan capability |
| csrSetCfgScanControlList(pMac, countryCode, &ChannelList); // build a scan list based on the channel list : channel# + active/passive scan |
| #ifdef FEATURE_WLAN_SCAN_PNO |
| // Send HAL UpdateScanParams message |
| //pmcUpdateScanParams(pMac, &(pMac->roam.configParam), pChannelList, TRUE); |
| #endif // FEATURE_WLAN_SCAN_PNO |
| } |
| else |
| { |
| smsLog( pMac, LOGE, FL(" 11D channel list is empty\n")); |
| } |
| csrApplyPower2Current( pMac ); // Store the channel+power info in the global place: Cfg |
| csrSetCfgCountryCode(pMac, countryCode); |
| } |
| |
| |
| void csrResetCountryInformation( tpAniSirGlobal pMac, tANI_BOOLEAN fForce ) |
| { |
| if( fForce || (csrIs11dSupported( pMac ) && (!pMac->scan.f11dInfoReset))) |
| { |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| vos_log_802_11d_pkt_type *p11dLog; |
| int Index; |
| |
| WLAN_VOS_DIAG_LOG_ALLOC(p11dLog, vos_log_802_11d_pkt_type, LOG_WLAN_80211D_C); |
| if(p11dLog) |
| { |
| p11dLog->eventId = WLAN_80211D_EVENT_RESET; |
| palCopyMemory(pMac->hHdd, p11dLog->countryCode, pMac->scan.countryCodeCurrent, 3); |
| p11dLog->numChannel = pMac->scan.base20MHzChannels.numChannels; |
| if(p11dLog->numChannel <= VOS_LOG_MAX_NUM_CHANNEL) |
| { |
| palCopyMemory(pMac->hHdd, p11dLog->Channels, pMac->scan.base20MHzChannels.channelList, |
| p11dLog->numChannel); |
| for (Index=0; Index < pMac->scan.base20MHzChannels.numChannels; Index++) |
| { |
| p11dLog->TxPwr[Index] = CSR_ROAM_MIN( pMac->scan.defaultPowerTable[Index].pwr, pMac->roam.configParam.nTxPowerCap ); |
| } |
| } |
| if(!pMac->roam.configParam.Is11dSupportEnabled) |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_DISABLED; |
| } |
| else if(pMac->roam.configParam.fEnforceDefaultDomain) |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_NOT_SUPPORT_MULTI_DOMAIN; |
| } |
| else |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_SUPPORT_MULTI_DOMAIN; |
| } |
| WLAN_VOS_DIAG_LOG_REPORT(p11dLog); |
| } |
| } |
| #endif //#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| |
| // switch to passive scans only when 11d is enabled |
| if( csrIs11dSupported( pMac ) ) |
| { |
| pMac->scan.curScanType = eSIR_PASSIVE_SCAN; |
| } |
| |
| csrPruneChannelListForMode(pMac, &pMac->scan.baseChannels); |
| csrPruneChannelListForMode(pMac, &pMac->scan.base20MHzChannels); |
| |
| csrSaveChannelPowerForBand(pMac, eANI_BOOLEAN_FALSE); |
| csrSaveChannelPowerForBand(pMac, eANI_BOOLEAN_TRUE); |
| // ... and apply the channel list, power settings, and the country code. |
| csrApplyChannelPowerCountryInfo( pMac, &pMac->scan.base20MHzChannels, pMac->scan.countryCodeCurrent ); |
| // clear the 11d channel list |
| palZeroMemory( pMac->hHdd, &pMac->scan.channels11d, sizeof(pMac->scan.channels11d) ); |
| pMac->scan.f11dInfoReset = eANI_BOOLEAN_TRUE; |
| pMac->scan.f11dInfoApplied = eANI_BOOLEAN_FALSE; |
| } |
| |
| return; |
| } |
| |
| |
| eHalStatus csrResetCountryCodeInformation(tpAniSirGlobal pMac, tANI_BOOLEAN *pfRestartNeeded) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tANI_BOOLEAN fRestart = eANI_BOOLEAN_FALSE; |
| |
| //Use the Country code and domain from EEPROM |
| palCopyMemory(pMac->hHdd, pMac->scan.countryCodeCurrent, pMac->scan.countryCodeDefault, WNI_CFG_COUNTRY_CODE_LEN); |
| csrSetRegulatoryDomain(pMac, pMac->scan.domainIdCurrent, &fRestart); |
| if( ((eANI_BOOLEAN_FALSE == fRestart) || (pfRestartNeeded == NULL) ) |
| && !csrIsInfraConnected(pMac)) |
| { |
| //Only reset the country info if we don't need to restart |
| csrResetCountryInformation(pMac, eANI_BOOLEAN_TRUE); |
| } |
| if(pfRestartNeeded) |
| { |
| *pfRestartNeeded = fRestart; |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrSetCountryCode(tpAniSirGlobal pMac, tANI_U8 *pCountry, tANI_BOOLEAN *pfRestartNeeded) |
| { |
| eHalStatus status = eHAL_STATUS_INVALID_PARAMETER; |
| v_REGDOMAIN_t domainId; |
| |
| if(pCountry) |
| { |
| status = csrGetRegulatoryDomainForCountry(pMac, pCountry, &domainId); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = csrSetRegulatoryDomain(pMac, domainId, pfRestartNeeded); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| //We don't need to check the pMac->roam.configParam.fEnforceDefaultDomain flag here, |
| //csrSetRegulatoryDomain will fail if the country doesn't fit our domain criteria. |
| palCopyMemory(pMac->hHdd, pMac->scan.countryCodeCurrent, pCountry, WNI_CFG_COUNTRY_CODE_LEN); |
| if((pfRestartNeeded == NULL) || !(*pfRestartNeeded)) |
| { |
| //Simply set it to cfg. If we need to restart, restart will apply it to the CFG |
| csrSetCfgCountryCode(pMac, pCountry); |
| } |
| } |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| //caller allocated memory for pNumChn and pChnPowerInfo |
| //As input, *pNumChn has the size of the array of pChnPowerInfo |
| //Upon return, *pNumChn has the number of channels assigned. |
| void csrGetChannelPowerInfo( tpAniSirGlobal pMac, tDblLinkList *pList, |
| tANI_U32 *pNumChn, tChannelListWithPower *pChnPowerInfo) |
| { |
| tListElem *pEntry; |
| tANI_U32 chnIdx = 0, idx; |
| tCsrChannelPowerInfo *pChannelSet; |
| |
| //Get 2.4Ghz first |
| pEntry = csrLLPeekHead( pList, LL_ACCESS_LOCK ); |
| while( pEntry && (chnIdx < *pNumChn) ) |
| { |
| pChannelSet = GET_BASE_ADDR( pEntry, tCsrChannelPowerInfo, link ); |
| if ( 1 != pChannelSet->interChannelOffset ) |
| { |
| for( idx = 0; (idx < pChannelSet->numChannels) && (chnIdx < *pNumChn); idx++ ) |
| { |
| pChnPowerInfo[chnIdx].chanId = (tANI_U8)(pChannelSet->firstChannel + ( idx * pChannelSet->interChannelOffset )); |
| pChnPowerInfo[chnIdx++].pwr = pChannelSet->txPower; |
| } |
| } |
| else |
| { |
| for( idx = 0; (idx < pChannelSet->numChannels) && (chnIdx < *pNumChn); idx++ ) |
| { |
| pChnPowerInfo[chnIdx].chanId = (tANI_U8)(pChannelSet->firstChannel + idx); |
| pChnPowerInfo[chnIdx++].pwr = pChannelSet->txPower; |
| } |
| } |
| |
| pEntry = csrLLNext( pList, pEntry, LL_ACCESS_LOCK ); |
| } |
| *pNumChn = chnIdx; |
| |
| return ; |
| } |
| |
| |
| |
| void csrApplyCountryInformation( tpAniSirGlobal pMac, tANI_BOOLEAN fForce ) |
| { |
| v_REGDOMAIN_t domainId; |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| do |
| { |
| if( !csrIs11dSupported( pMac ) || 0 == pMac->scan.channelOf11dInfo) break; |
| if( pMac->scan.fAmbiguous11dInfoFound ) |
| { |
| // ambiguous info found |
| //Restore te default domain as well |
| if(HAL_STATUS_SUCCESS(csrGetRegulatoryDomainForCountry( pMac, pMac->scan.countryCodeCurrent, &domainId ))) |
| { |
| pMac->scan.domainIdCurrent = domainId; |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL(" failed to get domain from currentCountryCode %02X%02X\n"), |
| pMac->scan.countryCodeCurrent[0], pMac->scan.countryCodeCurrent[1]); |
| } |
| csrResetCountryInformation( pMac, eANI_BOOLEAN_FALSE ); |
| break; |
| } |
| if ( pMac->scan.f11dInfoApplied && !fForce ) break; |
| if(HAL_STATUS_SUCCESS(csrGetRegulatoryDomainForCountry( pMac, pMac->scan.countryCode11d, &domainId ))) |
| { |
| //Check whether we need to enforce default domain |
| if( ( !pMac->roam.configParam.fEnforceDefaultDomain ) || |
| (pMac->scan.domainIdCurrent == domainId) ) |
| { |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| vos_log_802_11d_pkt_type *p11dLog; |
| tChannelListWithPower chnPwrInfo[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
| tANI_U32 nChnInfo = WNI_CFG_VALID_CHANNEL_LIST_LEN, nTmp; |
| |
| WLAN_VOS_DIAG_LOG_ALLOC(p11dLog, vos_log_802_11d_pkt_type, LOG_WLAN_80211D_C); |
| if(p11dLog) |
| { |
| p11dLog->eventId = WLAN_80211D_EVENT_COUNTRY_SET; |
| palCopyMemory(pMac->hHdd, p11dLog->countryCode, pMac->scan.countryCode11d, 3); |
| p11dLog->numChannel = pMac->scan.channels11d.numChannels; |
| if(p11dLog->numChannel <= VOS_LOG_MAX_NUM_CHANNEL) |
| { |
| palCopyMemory(pMac->hHdd, p11dLog->Channels, pMac->scan.channels11d.channelList, |
| p11dLog->numChannel); |
| csrGetChannelPowerInfo(pMac, &pMac->scan.channelPowerInfoList24, |
| &nChnInfo, chnPwrInfo); |
| nTmp = nChnInfo; |
| nChnInfo = WNI_CFG_VALID_CHANNEL_LIST_LEN - nTmp; |
| csrGetChannelPowerInfo(pMac, &pMac->scan.channelPowerInfoList5G, |
| &nChnInfo, &chnPwrInfo[nTmp]); |
| for(nTmp = 0; nTmp < p11dLog->numChannel; nTmp++) |
| { |
| for(nChnInfo = 0; nChnInfo < WNI_CFG_VALID_CHANNEL_LIST_LEN; nChnInfo++) |
| { |
| if(p11dLog->Channels[nTmp] == chnPwrInfo[nChnInfo].chanId) |
| { |
| p11dLog->TxPwr[nTmp] = chnPwrInfo[nChnInfo].pwr; |
| break; |
| } |
| } |
| } |
| } |
| if(!pMac->roam.configParam.Is11dSupportEnabled) |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_DISABLED; |
| } |
| else if(pMac->roam.configParam.fEnforceDefaultDomain) |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_NOT_SUPPORT_MULTI_DOMAIN; |
| } |
| else |
| { |
| p11dLog->supportMultipleDomain = WLAN_80211D_SUPPORT_MULTI_DOMAIN; |
| } |
| WLAN_VOS_DIAG_LOG_REPORT(p11dLog); |
| } |
| } |
| #endif //#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| if(pMac->scan.domainIdCurrent != domainId) |
| { |
| /* Regulatory Domain Changed, Purge Only scan result |
| * which does not have channel number belong to 11d |
| * channel list |
| * */ |
| smsLog(pMac, LOGW, FL("Domain Changed Old %d, new %d"), |
| pMac->scan.domainIdCurrent, domainId); |
| csrScanFilter11dResult(pMac); |
| } |
| status = WDA_SetRegDomain(pMac, domainId); |
| if (status != eHAL_STATUS_SUCCESS) |
| { |
| smsLog( pMac, LOGE, FL(" fail to set regId %d\n"), domainId ); |
| } |
| pMac->scan.domainIdCurrent = domainId; |
| csrApplyChannelPowerCountryInfo( pMac, &pMac->scan.channels11d, pMac->scan.countryCode11d ); |
| // switch to active scans using this new channel list |
| pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| pMac->scan.f11dInfoApplied = eANI_BOOLEAN_TRUE; |
| pMac->scan.f11dInfoReset = eANI_BOOLEAN_FALSE; |
| } |
| } |
| |
| } while( 0 ); |
| |
| return; |
| } |
| |
| |
| |
| tANI_BOOLEAN csrSave11dCountryString( tpAniSirGlobal pMac, tANI_U8 *pCountryCode, |
| tANI_BOOLEAN fForce) |
| { |
| tANI_BOOLEAN fCountryStringChanged = FALSE, fUnknownCountryCode = FALSE; |
| tANI_U32 i; |
| |
| // convert to UPPER here so we are assured the strings are always in upper case. |
| for( i = 0; i < 3; i++ ) |
| { |
| pCountryCode[ i ] = (tANI_U8)csrToUpper( pCountryCode[ i ] ); |
| } |
| |
| // Some of the 'old' Cisco 350 series AP's advertise NA as the country code (for North America ??). |
| // NA is not a valid country code or domain so let's allow this by changing it to the proper |
| // country code (which is US). We've also seen some NETGEAR AP's that have "XX " as the country code |
| // with valid 2.4 GHz US channel information. If we cannot find the country code advertised in the |
| // 11d information element, let's default to US. |
| if ( !HAL_STATUS_SUCCESS(csrGetRegulatoryDomainForCountry( pMac, pCountryCode, NULL ) ) ) |
| { |
| // Check the enforcement first |
| if( pMac->roam.configParam.fEnforceDefaultDomain || pMac->roam.configParam.fEnforceCountryCodeMatch ) |
| { |
| fUnknownCountryCode = TRUE; |
| } |
| else |
| { |
| pCountryCode[ 0 ] = 'U'; |
| pCountryCode[ 1 ] = 'S'; |
| } |
| } |
| |
| // We've seen some of the AP's improperly put a 0 for the third character of the country code. |
| // spec says valid charcters are 'O' (for outdoor), 'I' for Indoor, or ' ' (space; for either). |
| // if we see a 0 in this third character, let's change it to a ' '. |
| if ( 0 == pCountryCode[ 2 ] ) |
| { |
| pCountryCode[ 2 ] = ' '; |
| } |
| |
| if( !fUnknownCountryCode ) |
| { |
| fCountryStringChanged = (!palEqualMemory( pMac->hHdd, |
| pMac->scan.countryCode11d, pCountryCode, 2)); |
| |
| |
| if(( 0 == pMac->scan.countryCode11d[ 0 ] && 0 == pMac->scan.countryCode11d[ 1 ] ) |
| || (fForce)) |
| { |
| // this is the first .11d information |
| palCopyMemory( pMac->hHdd, pMac->scan.countryCode11d, pCountryCode, sizeof( pMac->scan.countryCode11d ) ); |
| } |
| } |
| |
| return( fCountryStringChanged ); |
| } |
| |
| |
| void csrSaveChannelPowerForBand( tpAniSirGlobal pMac, tANI_BOOLEAN fPopulate5GBand ) |
| { |
| tANI_U32 Index, count=0; |
| tSirMacChanInfo *pChanInfo; |
| tSirMacChanInfo *pChanInfoStart; |
| |
| if(HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, (void **)&pChanInfo, sizeof(tSirMacChanInfo) * WNI_CFG_VALID_CHANNEL_LIST_LEN))) |
| { |
| palZeroMemory(pMac->hHdd, pChanInfo, sizeof(tSirMacChanInfo) * WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| pChanInfoStart = pChanInfo; |
| for (Index=0; Index < pMac->scan.base20MHzChannels.numChannels; Index++) |
| { |
| if ((fPopulate5GBand && (CSR_IS_CHANNEL_5GHZ(pMac->scan.defaultPowerTable[Index].chanId))) || |
| (!fPopulate5GBand && (CSR_IS_CHANNEL_24GHZ(pMac->scan.defaultPowerTable[Index].chanId))) ) |
| { |
| pChanInfo->firstChanNum = pMac->scan.defaultPowerTable[Index].chanId; |
| pChanInfo->numChannels = 1; |
| pChanInfo->maxTxPower = CSR_ROAM_MIN( pMac->scan.defaultPowerTable[Index].pwr, pMac->roam.configParam.nTxPowerCap ); |
| pChanInfo++; |
| count++; |
| } |
| } |
| if(count) |
| { |
| csrSaveToChannelPower2G_5G( pMac, count * sizeof(tSirMacChanInfo), pChanInfoStart ); |
| } |
| palFreeMemory(pMac->hHdd, pChanInfoStart); |
| } |
| } |
| |
| |
| void csrSetOppositeBandChannelInfo( tpAniSirGlobal pMac ) |
| { |
| tANI_BOOLEAN fPopulate5GBand = FALSE; |
| |
| do |
| { |
| // if this is not a dual band product, then we don't need to set the opposite |
| // band info. We only work in one band so no need to look in the other band. |
| if ( !CSR_IS_OPEARTING_DUAL_BAND( pMac ) ) break; |
| // if we found channel info on the 5.0 band and... |
| if ( CSR_IS_CHANNEL_5GHZ( pMac->scan.channelOf11dInfo ) ) |
| { |
| // and the 2.4 band is empty, then populate the 2.4 channel info |
| if ( !csrLLIsListEmpty( &pMac->scan.channelPowerInfoList24, LL_ACCESS_LOCK ) ) break; |
| fPopulate5GBand = FALSE; |
| } |
| else |
| { |
| // else, we found channel info in the 2.4 GHz band. If the 5.0 band is empty |
| // set the 5.0 band info from the 2.4 country code. |
| if ( !csrLLIsListEmpty( &pMac->scan.channelPowerInfoList5G, LL_ACCESS_LOCK ) ) break; |
| fPopulate5GBand = TRUE; |
| } |
| csrSaveChannelPowerForBand( pMac, fPopulate5GBand ); |
| |
| } while( 0 ); |
| } |
| |
| |
| tANI_BOOLEAN csrIsSupportedChannel(tpAniSirGlobal pMac, tANI_U8 channelId) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| tANI_U32 i; |
| |
| //Make sure it is a channel that is in our supported list. |
| for ( i = 0; i < pMac->scan.baseChannels.numChannels; i++ ) |
| { |
| if ( channelId == pMac->scan.baseChannels.channelList[i] ) |
| { |
| fRet = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| |
| //If it is configured to limit a set of the channels |
| if( fRet && pMac->roam.configParam.fEnforce11dChannels ) |
| { |
| fRet = eANI_BOOLEAN_FALSE; |
| for ( i = 0; i < pMac->scan.base20MHzChannels.numChannels; i++ ) |
| { |
| if ( channelId == pMac->scan.base20MHzChannels.channelList[i] ) |
| { |
| fRet = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| } |
| |
| return (fRet); |
| } |
| |
| |
| |
| //bSize specify the buffer size of pChannelList |
| tANI_U8 csrGetChannelListFromChannelSet( tpAniSirGlobal pMac, tANI_U8 *pChannelList, tANI_U8 bSize, tCsrChannelPowerInfo *pChannelSet ) |
| { |
| tANI_U8 i, j = 0, chnId; |
| |
| bSize = CSR_MIN(bSize, pChannelSet->numChannels); |
| for( i = 0; i < bSize; i++ ) |
| { |
| chnId = (tANI_U8)(pChannelSet->firstChannel + ( i * pChannelSet->interChannelOffset )); |
| if ( csrIsSupportedChannel( pMac, chnId ) ) |
| { |
| pChannelList[j++] = chnId; |
| } |
| } |
| |
| return (j); |
| } |
| |
| |
| |
| //bSize -- specify the buffer size of pChannelList |
| void csrConstructCurrentValidChannelList( tpAniSirGlobal pMac, tDblLinkList *pChannelSetList, |
| tANI_U8 *pChannelList, tANI_U8 bSize, tANI_U8 *pNumChannels ) |
| { |
| tListElem *pEntry; |
| tCsrChannelPowerInfo *pChannelSet; |
| tANI_U8 numChannels; |
| tANI_U8 *pChannels; |
| |
| if( pChannelSetList && pChannelList && pNumChannels ) |
| { |
| pChannels = pChannelList; |
| *pNumChannels = 0; |
| pEntry = csrLLPeekHead( pChannelSetList, LL_ACCESS_LOCK ); |
| while( pEntry ) |
| { |
| pChannelSet = GET_BASE_ADDR( pEntry, tCsrChannelPowerInfo, link ); |
| numChannels = csrGetChannelListFromChannelSet( pMac, pChannels, bSize, pChannelSet ); |
| pChannels += numChannels; |
| *pNumChannels += numChannels; |
| pEntry = csrLLNext( pChannelSetList, pEntry, LL_ACCESS_LOCK ); |
| } |
| } |
| } |
| |
| |
| /* |
| * 802.11D only: Gather 11d IE via beacon or Probe response and store them in pAdapter->channels11d |
| */ |
| tANI_BOOLEAN csrLearnCountryInformation( tpAniSirGlobal pMac, tSirBssDescription *pSirBssDesc, |
| tDot11fBeaconIEs *pIes, tANI_BOOLEAN fForce) |
| { |
| tANI_U8 Num2GChannels, bMaxNumChn; |
| eHalStatus status; |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| v_REGDOMAIN_t domainId; |
| tDot11fBeaconIEs *pIesLocal = pIes; |
| |
| #ifdef WLAN_SOFTAP_FEATURE |
| if (VOS_STA_SAP_MODE == vos_get_conparam ()) |
| return eHAL_STATUS_SUCCESS; |
| #endif |
| |
| do |
| { |
| // check if .11d support is enabled |
| if( !csrIs11dSupported( pMac ) ) break; |
| if( !pIesLocal && (!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pSirBssDesc, &pIesLocal))) ) |
| { |
| break; |
| } |
| // check if country information element is present |
| if(!pIesLocal->Country.present) |
| { |
| //No country info |
| break; |
| } |
| |
| if( csrSave11dCountryString( pMac, pIesLocal->Country.country, fForce ) ) |
| { |
| // country string changed, this should not happen |
| //Need to check whether we care about this BSS' domain info |
| //If it doesn't match of the connected profile or roaming profile, let's ignore it |
| tANI_U32 i; |
| tCsrRoamSession *pSession; |
| |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| if( CSR_IS_SESSION_VALID( pMac, i ) ) |
| { |
| pSession = CSR_GET_SESSION( pMac, i ); |
| if(pSession->pCurRoamProfile) |
| { |
| tCsrScanResultFilter filter; |
| |
| palZeroMemory(pMac->hHdd, &filter, sizeof(tCsrScanResultFilter)); |
| status = csrRoamPrepareFilterFromProfile(pMac, pSession->pCurRoamProfile, &filter); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| tANI_BOOLEAN fMatch = csrMatchBSS(pMac, pSirBssDesc, &filter, NULL, NULL, NULL, NULL); |
| //Free the resource first |
| csrFreeScanFilter( pMac, &filter ); |
| if(fMatch) |
| { |
| smsLog(pMac, LOGW, " Matching roam profile BSSID %02X-%02X-%02X-%02X-%02X-%02X causing ambiguous domain info\n", |
| pSirBssDesc->bssId[0], pSirBssDesc->bssId[1], pSirBssDesc->bssId[2], |
| pSirBssDesc->bssId[3], pSirBssDesc->bssId[4], pSirBssDesc->bssId[5]); |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| } |
| else if( csrIsConnStateConnected(pMac, i)) |
| { |
| //Reach here only when the currention is base on no profile. |
| //User doesn't give profile and just connect to anything. |
| if(csrMatchBSSToConnectProfile(pMac, &pSession->connectedProfile, pSirBssDesc, pIesLocal)) |
| { |
| smsLog(pMac, LOGW, " Matching connect profile BSSID %02X-%02X-%02X-%02X-%02X-%02X causing ambiguous domain info\n", |
| pSirBssDesc->bssId[0], pSirBssDesc->bssId[1], pSirBssDesc->bssId[2], |
| pSirBssDesc->bssId[3], pSirBssDesc->bssId[4], pSirBssDesc->bssId[5]); |
| //Tush |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_TRUE; |
| if(csrIsBssidMatch(pMac, (tCsrBssid *)&pSirBssDesc->bssId, |
| &pSession->connectedProfile.bssid)) |
| { |
| //AP changed the 11d info on the fly, modify cfg |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_FALSE; |
| fRet = eANI_BOOLEAN_TRUE; |
| } |
| break; |
| } |
| } |
| } //valid session |
| } //for |
| if ( i == CSR_ROAM_SESSION_MAX ) |
| { |
| //Check whether we can use this country's 11d information |
| if( !pMac->roam.configParam.fEnforceDefaultDomain ) |
| { |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_TRUE; |
| } |
| else |
| { |
| VOS_ASSERT( pMac->scan.domainIdCurrent == pMac->scan.domainIdDefault ); |
| if( HAL_STATUS_SUCCESS(csrGetRegulatoryDomainForCountry( |
| pMac, pIesLocal->Country.country, &domainId )) && |
| ( domainId == pMac->scan.domainIdCurrent ) ) |
| { |
| //Two countries in the same domain |
| } |
| } |
| } |
| } |
| else //Tush |
| { |
| pMac->scan.fCurrent11dInfoMatch = eANI_BOOLEAN_TRUE; |
| } |
| |
| //In case that some channels in 5GHz have the same channel number as 2.4GHz (<= 14) |
| if(CSR_IS_CHANNEL_5GHZ(pSirBssDesc->channelId)) |
| { |
| tANI_U8 iC; |
| tSirMacChanInfo* pMacChnSet = (tSirMacChanInfo *)(&pIesLocal->Country.triplets[0]); |
| |
| for(iC = 0; iC < pIesLocal->Country.num_triplets; iC++) |
| { |
| if(CSR_IS_CHANNEL_24GHZ(pMacChnSet[iC].firstChanNum)) |
| { |
| pMacChnSet[iC].firstChanNum += 200; //*** Where is this 200 defined? |
| } |
| } |
| } |
| smsLog(pMac, LOG3, FL(" %d sets each one is %d\n"), pIesLocal->Country.num_triplets, sizeof(tSirMacChanInfo)); |
| // save the channel/power information from the Channel IE. |
| //sizeof(tSirMacChanInfo) has to be 3 |
| if (eHAL_STATUS_SUCCESS != csrSaveToChannelPower2G_5G( pMac, pIesLocal->Country.num_triplets * sizeof(tSirMacChanInfo), |
| (tSirMacChanInfo *)(&pIesLocal->Country.triplets[0]) )) |
| { |
| fRet = eANI_BOOLEAN_FALSE; |
| return fRet; |
| } |
| |
| // set the indicator of the channel where the country IE was found... |
| pMac->scan.channelOf11dInfo = pSirBssDesc->channelId; |
| // Populate both band channel lists based on what we found in the country information... |
| csrSetOppositeBandChannelInfo( pMac ); |
| bMaxNumChn = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| // construct 2GHz channel list first |
| csrConstructCurrentValidChannelList( pMac, &pMac->scan.channelPowerInfoList24, pMac->scan.channels11d.channelList, |
| bMaxNumChn, &Num2GChannels ); |
| // construct 5GHz channel list now |
| if(bMaxNumChn > Num2GChannels) |
| { |
| csrConstructCurrentValidChannelList( pMac, &pMac->scan.channelPowerInfoList5G, pMac->scan.channels11d.channelList + Num2GChannels, |
| bMaxNumChn - Num2GChannels, |
| &pMac->scan.channels11d.numChannels ); |
| } |
| |
| pMac->scan.channels11d.numChannels += Num2GChannels; |
| fRet = eANI_BOOLEAN_TRUE; |
| |
| } while( 0 ); |
| |
| if( !pIes && pIesLocal ) |
| { |
| //locally allocated |
| palFreeMemory(pMac->hHdd, pIesLocal); |
| } |
| |
| return( fRet ); |
| } |
| |
| |
| static void csrSaveScanResults( tpAniSirGlobal pMac ) |
| { |
| // initialize this to FALSE. profMoveInterimScanResultsToMainList() routine |
| // will set this to the channel where an .11d beacon is seen |
| pMac->scan.channelOf11dInfo = 0; |
| // if we get any ambiguous .11d information then this will be set to TRUE |
| pMac->scan.fAmbiguous11dInfoFound = eANI_BOOLEAN_FALSE; |
| //Tush |
| // if we get any ambiguous .11d information, then this will be set to TRUE |
| // only if the applied 11d info could be found in one of the scan results |
| pMac->scan.fCurrent11dInfoMatch = eANI_BOOLEAN_FALSE; |
| // move the scan results from interim list to the main scan list |
| csrMoveTempScanResultsToMainList( pMac ); |
| |
| // Now check if we gathered any domain/country specific information |
| // If so, we should update channel list and apply Tx power settings |
| if( csrIs11dSupported(pMac) ) |
| { |
| csrApplyCountryInformation( pMac, FALSE ); |
| } |
| else if( csrIs11hSupported(pMac) && !pMac->roam.configParam.fSupplicantCountryCodeHasPriority) |
| { |
| // If llh is enabled, store the channel + power information gathered in the cfg |
| csrApplyPower2Current( pMac ); |
| } |
| } |
| |
| |
| void csrReinitScanCmd(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| switch (pCommand->u.scanCmd.reason) |
| { |
| case eCsrScanSetBGScanParam: |
| case eCsrScanAbortBgScan: |
| if(pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList) |
| { |
| palFreeMemory(pMac->hHdd, pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList); |
| pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList = NULL; |
| } |
| break; |
| case eCsrScanBGScanAbort: |
| case eCsrScanBGScanEnable: |
| case eCsrScanGetScanChnInfo: |
| break; |
| case eCsrScanAbortNormalScan: |
| default: |
| csrScanFreeRequest(pMac, &pCommand->u.scanCmd.u.scanRequest); |
| break; |
| } |
| if(pCommand->u.scanCmd.pToRoamProfile) |
| { |
| csrReleaseProfile(pMac, pCommand->u.scanCmd.pToRoamProfile); |
| palFreeMemory(pMac->hHdd, pCommand->u.scanCmd.pToRoamProfile); |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| } |
| |
| |
| tANI_BOOLEAN csrGetRemainingChannelsFor11dScan( tpAniSirGlobal pMac, tANI_U8 *pChannels, tANI_U8 *pcChannels ) |
| { |
| tANI_U32 index11dChannels, index; |
| tANI_U32 indexCurrentChannels; |
| tANI_BOOLEAN fChannelAlreadyScanned; |
| tANI_U32 len = sizeof(pMac->roam.validChannelList); |
| |
| *pcChannels = 0; |
| if ( CSR_IS_11D_INFO_FOUND(pMac) && csrRoamIsChannelValid(pMac, pMac->scan.channelOf11dInfo) ) |
| { |
| if (HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, (tANI_U8 *)pMac->roam.validChannelList, &len))) |
| { |
| //Find the channel index where we found the 11d info |
| for(index = 0; index < len; index++) |
| { |
| if(pMac->scan.channelOf11dInfo == pMac->roam.validChannelList[index]) |
| break; |
| } |
| //check whether we found the channel index |
| if(index < len) |
| { |
| // Now, look through the 11d channel list and create a list of all channels in the 11d list that are |
| // NOT in the current channel list. This gives us a list of the new channels that have not been |
| // scanned. We'll scan this new list so we have a complete set of scan results on all of the domain channels |
| // initially. |
| for ( index11dChannels = 0; index11dChannels < pMac->scan.channels11d.numChannels; index11dChannels++ ) |
| { |
| fChannelAlreadyScanned = eANI_BOOLEAN_FALSE; |
| |
| for( indexCurrentChannels = 0; indexCurrentChannels < index; indexCurrentChannels++ ) |
| { |
| if ( pMac->roam.validChannelList[ indexCurrentChannels ] == pMac->scan.channels11d.channelList[ index11dChannels ] ) |
| { |
| fChannelAlreadyScanned = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| |
| if ( !fChannelAlreadyScanned ) |
| { |
| pChannels[ *pcChannels ] = pMac->scan.channels11d.channelList[ index11dChannels ]; |
| ( *pcChannels )++; |
| } |
| } |
| } |
| }//GetCFG |
| } |
| return( *pcChannels ); |
| } |
| |
| |
| eCsrScanCompleteNextCommand csrScanGetNextCommandState( tpAniSirGlobal pMac, tSmeCmd *pCommand, tANI_BOOLEAN fSuccess ) |
| { |
| eCsrScanCompleteNextCommand NextCommand = eCsrNextScanNothing; |
| |
| switch( pCommand->u.scanCmd.reason ) |
| { |
| case eCsrScan11d1: |
| NextCommand = (fSuccess) ? eCsrNext11dScan1Success : eCsrNext11dScan1Failure; |
| break; |
| case eCsrScan11d2: |
| NextCommand = (fSuccess) ? eCsrNext11dScan2Success : eCsrNext11dScan2Failure; |
| break; |
| case eCsrScan11dDone: |
| NextCommand = eCsrNext11dScanComplete; |
| break; |
| case eCsrScanLostLink1: |
| NextCommand = (fSuccess) ? eCsrNextLostLinkScan1Success : eCsrNextLostLinkScan1Failed; |
| break; |
| case eCsrScanLostLink2: |
| NextCommand = (fSuccess) ? eCsrNextLostLinkScan2Success : eCsrNextLostLinkScan2Failed; |
| break; |
| case eCsrScanLostLink3: |
| NextCommand = (fSuccess) ? eCsrNextLostLinkScan3Success : eCsrNextLostLinkScan3Failed; |
| break; |
| case eCsrScanForSsid: |
| NextCommand = (fSuccess) ? eCsrNexteScanForSsidSuccess : eCsrNexteScanForSsidFailure; |
| break; |
| case eCsrScanForCapsChange: |
| NextCommand = eCsrNextCapChangeScanComplete; //don't care success or not |
| break; |
| case eCsrScanIdleScan: |
| NextCommand = eCsrNextIdleScanComplete; |
| break; |
| default: |
| NextCommand = eCsrNextScanNothing; |
| break; |
| } |
| return( NextCommand ); |
| } |
| |
| |
| //Return whether the pCommand is finished. |
| tANI_BOOLEAN csrHandleScan11d1Failure(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_TRUE; |
| |
| //Apply back the default setting and passively scan one more time. |
| csrResetCountryInformation(pMac, eANI_BOOLEAN_FALSE); |
| pCommand->u.scanCmd.reason = eCsrScan11d2; |
| if(HAL_STATUS_SUCCESS(csrScanChannels(pMac, pCommand))) |
| { |
| fRet = eANI_BOOLEAN_FALSE; |
| } |
| |
| return (fRet); |
| } |
| |
| |
| tANI_BOOLEAN csrHandleScan11dSuccess(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_TRUE; |
| tANI_U8 *pChannels; |
| tANI_U8 cChannels; |
| |
| if(HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, (void **)&pChannels, WNI_CFG_VALID_CHANNEL_LIST_LEN))) |
| { |
| palZeroMemory(pMac->hHdd, pChannels, WNI_CFG_VALID_CHANNEL_LIST_LEN); |
| if ( csrGetRemainingChannelsFor11dScan( pMac, pChannels, &cChannels ) ) |
| { |
| pCommand->u.scanCmd.reason = eCsrScan11dDone; |
| if(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList) |
| { |
| palFreeMemory(pMac->hHdd, pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList); |
| } |
| if(HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, cChannels))) |
| { |
| palCopyMemory(pMac->hHdd, pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, pChannels, cChannels); |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = cChannels; |
| pCommand->u.scanCmd.u.scanRequest.requestType = eCSR_SCAN_REQUEST_FULL_SCAN; |
| pCommand->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| if(HAL_STATUS_SUCCESS(csrScanChannels(pMac, pCommand))) |
| { |
| //Reuse the same command buffer |
| fRet = eANI_BOOLEAN_FALSE; |
| } |
| } |
| } |
| palFreeMemory(pMac->hHdd, pChannels); |
| } |
| |
| return (fRet); |
| } |
| |
| //Return whether the command should be removed |
| tANI_BOOLEAN csrScanComplete( tpAniSirGlobal pMac, tSirSmeScanRsp *pScanRsp ) |
| { |
| eCsrScanCompleteNextCommand NextCommand = eCsrNextScanNothing; |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| tANI_BOOLEAN fRemoveCommand = eANI_BOOLEAN_TRUE; |
| tANI_BOOLEAN fSuccess; |
| |
| pEntry = csrLLPeekHead( &pMac->sme.smeCmdActiveList, LL_ACCESS_LOCK ); |
| |
| if ( pEntry ) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| |
| // If the head of the queue is Active and it is a SCAN command, remove |
| // and put this on the Free queue. |
| if ( eSmeCommandScan == pCommand->command ) |
| { |
| tANI_U32 sessionId = pCommand->sessionId; |
| |
| if(eSIR_SME_SUCCESS != pScanRsp->statusCode) |
| { |
| fSuccess = eANI_BOOLEAN_FALSE; |
| } |
| else |
| { |
| //pMac->scan.tempScanResults is not empty meaning the scan found something |
| //This check only valid here because csrSaveScanresults is not yet called |
| fSuccess = (!csrLLIsListEmpty(&pMac->scan.tempScanResults, LL_ACCESS_LOCK)); |
| } |
| csrSaveScanResults(pMac); |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| vos_log_scan_pkt_type *pScanLog = NULL; |
| tScanResultHandle hScanResult; |
| tCsrScanResultInfo *pScanResult; |
| tDot11fBeaconIEs *pIes; |
| int n = 0, c = 0; |
| |
| WLAN_VOS_DIAG_LOG_ALLOC(pScanLog, vos_log_scan_pkt_type, LOG_WLAN_SCAN_C); |
| if(pScanLog) |
| { |
| if(eCsrScanBgScan == pCommand->u.scanCmd.reason || |
| eCsrScanProbeBss == pCommand->u.scanCmd.reason || |
| eCsrScanSetBGScanParam == pCommand->u.scanCmd.reason) |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_HO_SCAN_RSP; |
| } |
| else |
| { |
| if( eSIR_PASSIVE_SCAN != pMac->scan.curScanType ) |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_ACTIVE_SCAN_RSP; |
| } |
| else |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_PASSIVE_SCAN_RSP; |
| } |
| } |
| if(eSIR_SME_SUCCESS == pScanRsp->statusCode) |
| { |
| if(HAL_STATUS_SUCCESS(csrScanGetResult(pMac, NULL, &hScanResult))) |
| { |
| while(((pScanResult = csrScanResultGetNext(pMac, hScanResult)) != NULL)) |
| { |
| if( n < VOS_LOG_MAX_NUM_BSSID ) |
| { |
| if(!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, &pScanResult->BssDescriptor, &pIes))) |
| { |
| smsLog(pMac, LOGE, FL(" fail to parse IEs\n")); |
| break; |
| } |
| palCopyMemory(pMac->hHdd, pScanLog->bssid[n], pScanResult->BssDescriptor.bssId, 6); |
| if(pIes && pIes->SSID.present && VOS_LOG_MAX_SSID_SIZE >= pIes->SSID.num_ssid) |
| { |
| palCopyMemory(pMac->hHdd, pScanLog->ssid[n], |
| pIes->SSID.ssid, pIes->SSID.num_ssid); |
| } |
| palFreeMemory(pMac->hHdd, pIes); |
| n++; |
| } |
| c++; |
| } |
| pScanLog->numSsid = (v_U8_t)n; |
| pScanLog->totalSsid = (v_U8_t)c; |
| csrScanResultPurge(pMac, hScanResult); |
| } |
| } |
| else |
| { |
| pScanLog->status = WLAN_SCAN_STATUS_FAILURE; |
| } |
| WLAN_VOS_DIAG_LOG_REPORT(pScanLog); |
| } |
| } |
| #endif //#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| |
| NextCommand = csrScanGetNextCommandState(pMac, pCommand, fSuccess); |
| //We reuse the command here instead reissue a new command |
| switch(NextCommand) |
| { |
| case eCsrNext11dScan1Success: |
| case eCsrNext11dScan2Success: |
| smsLog( pMac, LOG2, FL("11dScan1/3 produced results. Reissue Active scan...\n")); |
| // if we found country information, no need to continue scanning further, bail out |
| fRemoveCommand = eANI_BOOLEAN_TRUE; |
| NextCommand = eCsrNext11dScanComplete; |
| break; |
| case eCsrNext11dScan1Failure: |
| //We are not done yet. 11d scan fail once. We will try to reset anything and do it over again |
| //The only meaningful thing for this retry is that we cannot find 11d information after a reset so |
| //we clear the "old" 11d info and give it once more chance |
| fRemoveCommand = csrHandleScan11d1Failure(pMac, pCommand); |
| if(fRemoveCommand) |
| { |
| NextCommand = eCsrNext11dScanComplete; |
| } |
| break; |
| case eCsrNextLostLinkScan1Success: |
| if(!HAL_STATUS_SUCCESS(csrIssueRoamAfterLostlinkScan(pMac, sessionId, eCsrLostLink1))) |
| { |
| csrScanHandleFailedLostlink1(pMac, sessionId); |
| } |
| break; |
| case eCsrNextLostLinkScan2Success: |
| if(!HAL_STATUS_SUCCESS(csrIssueRoamAfterLostlinkScan(pMac, sessionId, eCsrLostLink2))) |
| { |
| csrScanHandleFailedLostlink2(pMac, sessionId); |
| } |
| break; |
| case eCsrNextLostLinkScan3Success: |
| if(!HAL_STATUS_SUCCESS(csrIssueRoamAfterLostlinkScan(pMac, sessionId, eCsrLostLink3))) |
| { |
| csrScanHandleFailedLostlink3(pMac, sessionId); |
| } |
| break; |
| case eCsrNextLostLinkScan1Failed: |
| csrScanHandleFailedLostlink1(pMac, sessionId); |
| break; |
| case eCsrNextLostLinkScan2Failed: |
| csrScanHandleFailedLostlink2(pMac, sessionId); |
| break; |
| case eCsrNextLostLinkScan3Failed: |
| csrScanHandleFailedLostlink3(pMac, sessionId); |
| break; |
| case eCsrNexteScanForSsidSuccess: |
| csrScanHandleSearchForSSID(pMac, pCommand); |
| break; |
| case eCsrNexteScanForSsidFailure: |
| csrScanHandleSearchForSSIDFailure(pMac, pCommand); |
| break; |
| case eCsrNextIdleScanComplete: |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| break; |
| case eCsrNextCapChangeScanComplete: |
| csrScanHandleCapChangeScanComplete(pMac, sessionId); |
| break; |
| default: |
| |
| break; |
| } |
| } |
| else |
| { |
| smsLog( pMac, LOGW, FL("Scan Completion called but SCAN command is not ACTIVE ...\n")); |
| fRemoveCommand = eANI_BOOLEAN_FALSE; |
| } |
| } |
| else |
| { |
| smsLog( pMac, LOGW, FL("Scan Completion called but NO commands are ACTIVE ...\n")); |
| fRemoveCommand = eANI_BOOLEAN_FALSE; |
| } |
| |
| return( fRemoveCommand ); |
| } |
| |
| |
| |
| static void csrScanRemoveDupBssDescriptionFromInterimList( tpAniSirGlobal pMac, |
| tSirBssDescription *pSirBssDescr, |
| tDot11fBeaconIEs *pIes) |
| { |
| tListElem *pEntry; |
| tCsrScanResult *pCsrBssDescription; |
| |
| // Walk through all the chained BssDescriptions. If we find a chained BssDescription that |
| // matches the BssID of the BssDescription passed in, then these must be duplicate scan |
| // results for this Bss. In that case, remove the 'old' Bss description from the linked list. |
| pEntry = csrLLPeekHead( &pMac->scan.tempScanResults, LL_ACCESS_LOCK ); |
| while( pEntry ) |
| { |
| pCsrBssDescription = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| |
| // we have a duplicate scan results only when BSSID, SSID, Channel and NetworkType |
| // matches |
| |
| if ( csrIsDuplicateBssDescription( pMac, &pCsrBssDescription->Result.BssDescriptor, |
| pSirBssDescr, pIes ) ) |
| { |
| pSirBssDescr->rssi = (tANI_S8)( (((tANI_S32)pSirBssDescr->rssi * CSR_SCAN_RESULT_RSSI_WEIGHT ) + |
| ((tANI_S32)pCsrBssDescription->Result.BssDescriptor.rssi * (100 - CSR_SCAN_RESULT_RSSI_WEIGHT) )) / 100 ); |
| |
| // Remove the 'old' entry from the list.... |
| if( csrLLRemoveEntry( &pMac->scan.tempScanResults, pEntry, LL_ACCESS_LOCK ) ) |
| { |
| csrCheckNSaveWscIe(pMac, pSirBssDescr, &pCsrBssDescription->Result.BssDescriptor); |
| // we need to free the memory associated with this node |
| csrFreeScanResultEntry( pMac, pCsrBssDescription ); |
| } |
| |
| // If we found a match, we can stop looking through the list. |
| break; |
| } |
| |
| pEntry = csrLLNext( &pMac->scan.tempScanResults, pEntry, LL_ACCESS_LOCK ); |
| } |
| } |
| |
| |
| |
| //Caller allocated memory pfNewBssForConn to return whether new candidate for |
| //current connection is found. Cannot be NULL |
| tCsrScanResult *csrScanSaveBssDescriptionToInterimList( tpAniSirGlobal pMac, |
| tSirBssDescription *pBSSDescription, |
| tDot11fBeaconIEs *pIes) |
| { |
| tCsrScanResult *pCsrBssDescription = NULL; |
| tANI_U32 cbBSSDesc; |
| tANI_U32 cbAllocated; |
| eHalStatus halStatus; |
| |
| // figure out how big the BSS description is (the BSSDesc->length does NOT |
| // include the size of the length field itself). |
| cbBSSDesc = pBSSDescription->length + sizeof( pBSSDescription->length ); |
| |
| cbAllocated = sizeof( tCsrScanResult ) + cbBSSDesc; |
| |
| halStatus = palAllocateMemory( pMac->hHdd, (void **)&pCsrBssDescription, cbAllocated ); |
| if ( HAL_STATUS_SUCCESS(halStatus) ) |
| { |
| palZeroMemory(pMac->hHdd, pCsrBssDescription, cbAllocated); |
| pCsrBssDescription->AgingCount = (tANI_S32)pMac->roam.configParam.agingCount; |
| palCopyMemory(pMac->hHdd, &pCsrBssDescription->Result.BssDescriptor, pBSSDescription, cbBSSDesc ); |
| //Save SSID separately for later use |
| if( pIes->SSID.present && !csrIsNULLSSID(pIes->SSID.ssid, pIes->SSID.num_ssid) ) |
| { |
| //SSID not hidden |
| tANI_U32 len = pIes->SSID.num_ssid;; |
| if (len > SIR_MAC_MAX_SSID_LENGTH) |
| { |
| // truncate to fit in our struct |
| len = SIR_MAC_MAX_SSID_LENGTH; |
| } |
| pCsrBssDescription->Result.ssId.length = len; |
| pCsrBssDescription->Result.timer = vos_timer_get_system_time(); |
| palCopyMemory(pMac->hHdd, pCsrBssDescription->Result.ssId.ssId, |
| pIes->SSID.ssid, len ); |
| } |
| csrLLInsertTail( &pMac->scan.tempScanResults, &pCsrBssDescription->Link, LL_ACCESS_LOCK ); |
| } |
| |
| return( pCsrBssDescription ); |
| } |
| |
| |
| |
| |
| tANI_BOOLEAN csrIsDuplicateBssDescription( tpAniSirGlobal pMac, tSirBssDescription *pSirBssDesc1, |
| tSirBssDescription *pSirBssDesc2, tDot11fBeaconIEs *pIes2 ) |
| { |
| tANI_BOOLEAN fMatch = FALSE; |
| tSirMacCapabilityInfo *pCap1, *pCap2; |
| tDot11fBeaconIEs *pIes1 = NULL; |
| tDot11fBeaconIEs *pIesTemp = pIes2; |
| |
| pCap1 = (tSirMacCapabilityInfo *)&pSirBssDesc1->capabilityInfo; |
| pCap2 = (tSirMacCapabilityInfo *)&pSirBssDesc2->capabilityInfo; |
| if(pCap1->ess == pCap2->ess) |
| { |
| if (pCap1->ess && |
| csrIsMacAddressEqual( pMac, (tCsrBssid *)pSirBssDesc1->bssId, (tCsrBssid *)pSirBssDesc2->bssId)&& |
| (pSirBssDesc1->channelId == pSirBssDesc2->channelId)) |
| { |
| fMatch = TRUE; |
| // Check for SSID match, if exists |
| do |
| { |
| if(!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pSirBssDesc1, &pIes1))) |
| { |
| break; |
| } |
| if( NULL == pIesTemp ) |
| { |
| if(!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pSirBssDesc2, &pIesTemp))) |
| { |
| break; |
| } |
| } |
| if(pIes1->SSID.present && pIesTemp->SSID.present) |
| { |
| fMatch = csrIsSsidMatch(pMac, pIes1->SSID.ssid, pIes1->SSID.num_ssid, |
| pIesTemp->SSID.ssid, pIesTemp->SSID.num_ssid, eANI_BOOLEAN_TRUE); |
| } |
| }while(0); |
| |
| } |
| else if (pCap1->ibss && (pSirBssDesc1->channelId == pSirBssDesc2->channelId)) |
| { |
| |
| do |
| { |
| if(!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pSirBssDesc1, &pIes1))) |
| { |
| break; |
| } |
| if( NULL == pIesTemp ) |
| { |
| if(!HAL_STATUS_SUCCESS(csrGetParsedBssDescriptionIEs(pMac, pSirBssDesc2, &pIesTemp))) |
| { |
| break; |
| } |
| } |
| //Same channel cannot have same SSID for different IBSS |
| if(pIes1->SSID.present && pIesTemp->SSID.present) |
| { |
| fMatch = csrIsSsidMatch(pMac, pIes1->SSID.ssid, pIes1->SSID.num_ssid, |
| pIesTemp->SSID.ssid, pIesTemp->SSID.num_ssid, eANI_BOOLEAN_TRUE); |
| } |
| }while(0); |
| } |
| #if defined WLAN_FEATURE_P2P |
| /* In case of P2P devices, ess and ibss will be set to zero */ |
| else if (!pCap1->ess && |
| csrIsMacAddressEqual( pMac, (tCsrBssid *)pSirBssDesc1->bssId, (tCsrBssid *)pSirBssDesc2->bssId)) |
| { |
| fMatch = TRUE; |
| } |
| #endif |
| } |
| |
| if(pIes1) |
| { |
| palFreeMemory(pMac->hHdd, pIes1); |
| } |
| |
| if( (NULL == pIes2) && pIesTemp ) |
| { |
| //locally allocated |
| palFreeMemory(pMac->hHdd, pIesTemp); |
| } |
| |
| return( fMatch ); |
| } |
| |
| |
| tANI_BOOLEAN csrIsNetworkTypeEqual( tSirBssDescription *pSirBssDesc1, tSirBssDescription *pSirBssDesc2 ) |
| { |
| return( pSirBssDesc1->nwType == pSirBssDesc2->nwType ); |
| } |
| |
| |
| //to check whether the BSS matches the dot11Mode |
| static tANI_BOOLEAN csrScanIsBssAllowed(tpAniSirGlobal pMac, tSirBssDescription *pBssDesc, |
| tDot11fBeaconIEs *pIes) |
| { |
| tANI_BOOLEAN fAllowed = eANI_BOOLEAN_FALSE; |
| eCsrPhyMode phyMode; |
| |
| if(HAL_STATUS_SUCCESS(csrGetPhyModeFromBss(pMac, pBssDesc, &phyMode, pIes))) |
| { |
| switch(pMac->roam.configParam.phyMode) |
| { |
| case eCSR_DOT11_MODE_11b: |
| fAllowed = (tANI_BOOLEAN)(eCSR_DOT11_MODE_11a != phyMode); |
| break; |
| case eCSR_DOT11_MODE_11g: |
| fAllowed = (tANI_BOOLEAN)(eCSR_DOT11_MODE_11a != phyMode); |
| break; |
| case eCSR_DOT11_MODE_11g_ONLY: |
| fAllowed = (tANI_BOOLEAN)(eCSR_DOT11_MODE_11g == phyMode); |
| break; |
| case eCSR_DOT11_MODE_11a: |
| fAllowed = (tANI_BOOLEAN)((eCSR_DOT11_MODE_11b != phyMode) && (eCSR_DOT11_MODE_11g != phyMode)); |
| break; |
| case eCSR_DOT11_MODE_11n_ONLY: |
| fAllowed = (tANI_BOOLEAN)((eCSR_DOT11_MODE_11n == phyMode) || (eCSR_DOT11_MODE_TAURUS == phyMode)); |
| break; |
| |
| #ifdef WLAN_FEATURE_11AC |
| case eCSR_DOT11_MODE_11ac_ONLY: |
| fAllowed = (tANI_BOOLEAN)((eCSR_DOT11_MODE_11ac == phyMode) || (eCSR_DOT11_MODE_TAURUS == phyMode)); |
| break; |
| #endif |
| case eCSR_DOT11_MODE_11b_ONLY: |
| fAllowed = (tANI_BOOLEAN)(eCSR_DOT11_MODE_11b == phyMode); |
| break; |
| case eCSR_DOT11_MODE_11a_ONLY: |
| fAllowed = (tANI_BOOLEAN)(eCSR_DOT11_MODE_11a == phyMode); |
| break; |
| case eCSR_DOT11_MODE_11n: |
| #ifdef WLAN_FEATURE_11AC |
| case eCSR_DOT11_MODE_11ac: |
| #endif |
| case eCSR_DOT11_MODE_TAURUS: |
| default: |
| fAllowed = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| |
| return (fAllowed); |
| } |
| |
| |
| |
| //Return pIes to caller for future use when returning TRUE. |
| static tANI_BOOLEAN csrScanValidateScanResult( tpAniSirGlobal pMac, tANI_U8 *pChannels, |
| tANI_U8 numChn, tSirBssDescription *pBssDesc, |
| tDot11fBeaconIEs **ppIes ) |
| { |
| tANI_BOOLEAN fValidChannel = FALSE; |
| tDot11fBeaconIEs *pIes = NULL; |
| tANI_U8 index; |
| |
| for( index = 0; index < numChn; index++ ) |
| { |
| // This check relies on the fact that a single BSS description is returned in each |
| // ScanRsp call, which is the way LIM implemented the scan req/rsp funtions. We changed |
| // to this model when we ran with a large number of APs. If this were to change, then |
| // this check would have to mess with removing the bssDescription from somewhere in an |
| // arbitrary index in the bssDescription array. |
| if ( pChannels[ index ] == pBssDesc->channelId ) |
| { |
| fValidChannel = TRUE; |
| break; |
| } |
| } |
| *ppIes = NULL; |
| if(fValidChannel) |
| { |
| if( HAL_STATUS_SUCCESS( csrGetParsedBssDescriptionIEs(pMac, pBssDesc, &pIes) ) ) |
| { |
| fValidChannel = csrScanIsBssAllowed(pMac, pBssDesc, pIes); |
| if( fValidChannel ) |
| { |
| *ppIes = pIes; |
| } |
| else |
| { |
| palFreeMemory( pMac->hHdd, pIes ); |
| } |
| } |
| else |
| { |
| fValidChannel = FALSE; |
| } |
| } |
| |
| return( fValidChannel ); |
| } |
| |
| |
| //Return whether last scan result is received |
| static tANI_BOOLEAN csrScanProcessScanResults( tpAniSirGlobal pMac, tSmeCmd *pCommand, |
| tSirSmeScanRsp *pScanRsp, tANI_BOOLEAN *pfRemoveCommand ) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE, fRemoveCommand = eANI_BOOLEAN_FALSE; |
| tDot11fBeaconIEs *pIes = NULL; |
| tANI_U32 cbParsed; |
| tSirBssDescription *pSirBssDescription; |
| tANI_U32 cbBssDesc; |
| tANI_U32 cbScanResult = GET_FIELD_OFFSET( tSirSmeScanRsp, bssDescription ) |
| + sizeof(tSirBssDescription); //We need at least one CB |
| |
| // don't consider the scan rsp to be valid if the status code is Scan Failure. Scan Failure |
| // is returned when the scan could not find anything. so if we get scan failure return that |
| // the scan response is invalid. Also check the lenght in the scan result for valid scan |
| // BssDescriptions.... |
| do |
| { |
| if ( ( cbScanResult <= pScanRsp->length ) && |
| (( eSIR_SME_SUCCESS == pScanRsp->statusCode ) || |
| ( eSIR_SME_MORE_SCAN_RESULTS_FOLLOW == pScanRsp->statusCode ) ) ) |
| { |
| tANI_U8 *pChannelList = NULL; |
| tANI_U8 cChannels = 0; |
| |
| //Different scan type can reach this point, we need to distinguish it |
| if( eCsrScanSetBGScanParam == pCommand->u.scanCmd.reason ) |
| { |
| //eCsrScanSetBGScanParam uses different structure |
| tCsrBGScanRequest *pBgScanReq = &pCommand->u.scanCmd.u.bgScanRequest; |
| |
| cChannels = pBgScanReq->ChannelInfo.numOfChannels; |
| pChannelList = pBgScanReq->ChannelInfo.ChannelList; |
| } |
| else |
| { |
| //the rest use generic scan request |
| cChannels = pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| pChannelList = pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList; |
| } |
| |
| // if the scan result is not on one of the channels in the Valid channel list, then it |
| // must have come from an AP on an overlapping channel (in the 2.4GHz band). In this case, |
| // let's drop the scan result. |
| // |
| // The other situation is where the scan request is for a scan on a particular channel set |
| // and the scan result is from a |
| |
| // if the NumChannels is 0, then we are supposed to be scanning all channels. Use the full channel |
| // list as the 'valid' channel list. Otherwise, use the specific channel list in the scan parms |
| // as the valid channels. |
| if ( 0 == cChannels ) |
| { |
| tANI_U32 len = sizeof(pMac->roam.validChannelList); |
| |
| if (HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, (tANI_U8 *)pMac->roam.validChannelList, &len))) |
| { |
| pChannelList = pMac->roam.validChannelList; |
| cChannels = (tANI_U8)len; |
| } |
| else |
| { |
| //Cannot continue |
| smsLog( pMac, LOGE, "CSR: Processing internal SCAN results...csrGetCfgValidChannels failed\n" ); |
| break; |
| } |
| } |
| |
| smsLog( pMac, LOG2, "CSR: Processing internal SCAN results..." ); |
| cbParsed = GET_FIELD_OFFSET( tSirSmeScanRsp, bssDescription ); |
| pSirBssDescription = pScanRsp->bssDescription; |
| while( cbParsed < pScanRsp->length ) |
| { |
| if ( csrScanValidateScanResult( pMac, pChannelList, cChannels, pSirBssDescription, &pIes ) ) |
| { |
| csrScanRemoveDupBssDescriptionFromInterimList(pMac, pSirBssDescription, pIes); |
| csrScanSaveBssDescriptionToInterimList( pMac, pSirBssDescription, pIes ); |
| if( eSIR_PASSIVE_SCAN == pMac->scan.curScanType ) |
| { |
| if( csrIs11dSupported( pMac) ) |
| { |
| //Check whether the BSS is acceptable base on 11d info and our configs. |
| if( csrMatchCountryCode( pMac, NULL, pIes ) ) |
| { |
| //Double check whether the channel is acceptable by us. |
| if( csrIsSupportedChannel( pMac, pSirBssDescription->channelId ) ) |
| { |
| pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| } |
| } |
| } |
| else |
| { |
| pMac->scan.curScanType = eSIR_ACTIVE_SCAN; |
| } |
| } |
| //Free the resource |
| palFreeMemory( pMac->hHdd, pIes ); |
| } |
| // skip over the BSS description to the next one... |
| cbBssDesc = pSirBssDescription->length + sizeof( pSirBssDescription->length ); |
| |
| cbParsed += cbBssDesc; |
| pSirBssDescription = (tSirBssDescription *)((tANI_U8 *)pSirBssDescription + cbBssDesc ); |
| |
| } //while |
| } |
| else |
| { |
| smsLog( pMac, LOGW, " Scanrsp fail (0x%08X), length = %d\n", pScanRsp->statusCode, pScanRsp->length ); |
| //HO bg scan/probe failed no need to try autonomously |
| if(eCsrScanBgScan == pCommand->u.scanCmd.reason || |
| eCsrScanProbeBss == pCommand->u.scanCmd.reason || |
| eCsrScanSetBGScanParam == pCommand->u.scanCmd.reason) |
| { |
| fRemoveCommand = eANI_BOOLEAN_TRUE; |
| } |
| } |
| }while(0); |
| if ( eSIR_SME_MORE_SCAN_RESULTS_FOLLOW != pScanRsp->statusCode ) |
| { |
| smsLog(pMac, LOG1, " Scan received %d unique BSS scan reason is %d\n", csrLLCount(&pMac->scan.tempScanResults), pCommand->u.scanCmd.reason); |
| fRemoveCommand = csrScanComplete( pMac, pScanRsp ); |
| fRet = eANI_BOOLEAN_TRUE; |
| }//if ( eSIR_SME_MORE_SCAN_RESULTS_FOLLOW != pScanRsp->statusCode ) |
| if(pfRemoveCommand) |
| { |
| *pfRemoveCommand = fRemoveCommand; |
| } |
| |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| if (!csrLLIsListEmpty( &pMac->scan.scanCmdPendingList, LL_ACCESS_LOCK )) |
| { |
| palTimerStart(pMac->hHdd, pMac->scan.hTimerStaApConcTimer, |
| CSR_SCAN_STAAP_CONC_INTERVAL, eANI_BOOLEAN_FALSE); |
| } |
| #endif |
| return (fRet); |
| } |
| |
| |
| tANI_BOOLEAN csrScanIsWildCardScan( tpAniSirGlobal pMac, tSmeCmd *pCommand ) |
| { |
| tANI_U8 bssid[WNI_CFG_BSSID_LEN] = {0, 0, 0, 0, 0, 0}; |
| tANI_BOOLEAN f = palEqualMemory( pMac->hHdd, pCommand->u.scanCmd.u.scanRequest.bssid, |
| bssid, sizeof(tCsrBssid) ); |
| |
| //It is not a wild card scan if the bssid is not broadcast and the number of SSID is 1. |
| return ((tANI_BOOLEAN)( (f || (0xff == pCommand->u.scanCmd.u.scanRequest.bssid[0])) && |
| (pCommand->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs != 1) )); |
| } |
| |
| |
| eHalStatus csrScanSmeScanResponse( tpAniSirGlobal pMac, void *pMsgBuf ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| eCsrScanStatus scanStatus; |
| tSirSmeScanRsp *pScanRsp = (tSirSmeScanRsp *)pMsgBuf; |
| tSmeGetScanChnRsp *pScanChnInfo; |
| tANI_BOOLEAN fRemoveCommand = eANI_BOOLEAN_TRUE; |
| eCsrScanReason reason = eCsrScanOther; |
| |
| pEntry = csrLLPeekHead( &pMac->sme.smeCmdActiveList, LL_ACCESS_LOCK ); |
| |
| if ( pEntry ) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| if ( eSmeCommandScan == pCommand->command ) |
| { |
| scanStatus = (eSIR_SME_SUCCESS == pScanRsp->statusCode) ? eCSR_SCAN_SUCCESS : eCSR_SCAN_FAILURE; |
| reason = pCommand->u.scanCmd.reason; |
| switch(pCommand->u.scanCmd.reason) |
| { |
| case eCsrScanAbortBgScan: |
| case eCsrScanAbortNormalScan: |
| case eCsrScanBGScanAbort: |
| case eCsrScanBGScanEnable: |
| break; |
| case eCsrScanGetScanChnInfo: |
| pScanChnInfo = (tSmeGetScanChnRsp *)pMsgBuf; |
| csrScanAgeResults(pMac, pScanChnInfo); |
| break; |
| case eCsrScanForCapsChange: |
| csrScanProcessScanResults( pMac, pCommand, pScanRsp, &fRemoveCommand ); |
| break; |
| #if WLAN_FEATURE_P2P |
| case eCsrScanP2PFindPeer: |
| scanStatus = ((eSIR_SME_SUCCESS == pScanRsp->statusCode) && (pScanRsp->length > 50)) ? eCSR_SCAN_FOUND_PEER : eCSR_SCAN_FAILURE; |
| csrScanProcessScanResults( pMac, pCommand, pScanRsp, NULL ); |
| break; |
| #endif |
| case eCsrScanSetBGScanParam: |
| default: |
| if(csrScanProcessScanResults( pMac, pCommand, pScanRsp, &fRemoveCommand )) |
| { |
| //Not to get channel info if the scan is not a wildcard scan because |
| //it may cause scan results got aged out incorrectly. |
| if( csrScanIsWildCardScan( pMac, pCommand ) && (!pCommand->u.scanCmd.u.scanRequest.p2pSearch) ) |
| { |
| //Get the list of channels scanned |
| if( pCommand->u.scanCmd.reason != eCsrScanUserRequest) |
| { |
| csrScanGetScanChnInfo(pMac, NULL, NULL); |
| } |
| else |
| { |
| csrScanGetScanChnInfo(pMac, pCommand->u.scanCmd.callback, pCommand->u.scanCmd.pContext); |
| pCommand->u.scanCmd.callback = NULL; |
| } |
| } |
| } |
| break; |
| }//switch |
| if(fRemoveCommand) |
| { |
| |
| csrReleaseScanCommand(pMac, pCommand, scanStatus); |
| |
| } |
| smeProcessPendingQueue( pMac ); |
| } |
| else |
| { |
| smsLog( pMac, LOGW, "CSR: Scan Completion called but SCAN command is not ACTIVE ..." ); |
| status = eHAL_STATUS_FAILURE; |
| } |
| } |
| else |
| { |
| smsLog( pMac, LOGW, "CSR: Scan Completion called but NO commands are ACTIVE ..." ); |
| status = eHAL_STATUS_FAILURE; |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| |
| tCsrScanResultInfo *csrScanResultGetFirst(tpAniSirGlobal pMac, tScanResultHandle hScanResult) |
| { |
| tListElem *pEntry; |
| tCsrScanResult *pResult; |
| tCsrScanResultInfo *pRet = NULL; |
| tScanResultList *pResultList = (tScanResultList *)hScanResult; |
| |
| if(pResultList) |
| { |
| csrLLLock(&pResultList->List); |
| pEntry = csrLLPeekHead(&pResultList->List, LL_ACCESS_NOLOCK); |
| if(pEntry) |
| { |
| pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| pRet = &pResult->Result; |
| } |
| pResultList->pCurEntry = pEntry; |
| csrLLUnlock(&pResultList->List); |
| } |
| |
| return pRet; |
| } |
| |
| |
| tCsrScanResultInfo *csrScanResultGetNext(tpAniSirGlobal pMac, tScanResultHandle hScanResult) |
| { |
| tListElem *pEntry = NULL; |
| tCsrScanResult *pResult = NULL; |
| tCsrScanResultInfo *pRet = NULL; |
| tScanResultList *pResultList = (tScanResultList *)hScanResult; |
| |
| if(pResultList) |
| { |
| csrLLLock(&pResultList->List); |
| if(NULL == pResultList->pCurEntry) |
| { |
| pEntry = csrLLPeekHead(&pResultList->List, LL_ACCESS_NOLOCK); |
| } |
| else |
| { |
| pEntry = csrLLNext(&pResultList->List, pResultList->pCurEntry, LL_ACCESS_NOLOCK); |
| } |
| if(pEntry) |
| { |
| pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| pRet = &pResult->Result; |
| } |
| pResultList->pCurEntry = pEntry; |
| csrLLUnlock(&pResultList->List); |
| } |
| |
| return pRet; |
| } |
| |
| |
| //This function moves the first BSS that matches the bssid to the head of the result |
| eHalStatus csrMoveBssToHeadFromBSSID(tpAniSirGlobal pMac, tCsrBssid *bssid, tScanResultHandle hScanResult) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanResultList *pResultList = (tScanResultList *)hScanResult; |
| tCsrScanResult *pResult = NULL; |
| tListElem *pEntry = NULL; |
| |
| if(pResultList && bssid) |
| { |
| csrLLLock(&pResultList->List); |
| pEntry = csrLLPeekHead(&pResultList->List, LL_ACCESS_NOLOCK); |
| while(pEntry) |
| { |
| pResult = GET_BASE_ADDR(pEntry, tCsrScanResult, Link); |
| if(palEqualMemory(pMac->hHdd, bssid, pResult->Result.BssDescriptor.bssId, sizeof(tCsrBssid))) |
| { |
| status = eHAL_STATUS_SUCCESS; |
| csrLLRemoveEntry(&pResultList->List, pEntry, LL_ACCESS_NOLOCK); |
| csrLLInsertHead(&pResultList->List, pEntry, LL_ACCESS_NOLOCK); |
| break; |
| } |
| pEntry = csrLLNext(&pResultList->List, pResultList->pCurEntry, LL_ACCESS_NOLOCK); |
| } |
| csrLLUnlock(&pResultList->List); |
| } |
| |
| return (status); |
| } |
| |
| |
| //Remove the BSS if possible. |
| //Return -- TRUE == the BSS is remove. False == Fail to remove it |
| //This function is called when list lock is held. Be caution what functions it can call. |
| tANI_BOOLEAN csrScanAgeOutBss(tpAniSirGlobal pMac, tCsrScanResult *pResult) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| tANI_U32 i; |
| tCsrRoamSession *pSession; |
| |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| if( CSR_IS_SESSION_VALID( pMac, i ) ) |
| { |
| pSession = CSR_GET_SESSION( pMac, i ); |
| //Not to remove the BSS we are connected to. |
| if(csrIsConnStateDisconnected(pMac, i) || (NULL == pSession->pConnectBssDesc) || |
| (!csrIsDuplicateBssDescription(pMac, &pResult->Result.BssDescriptor, |
| pSession->pConnectBssDesc, NULL)) |
| ) |
| { |
| smsLog(pMac, LOG2, "Aging out BSS %02X-%02X-%02X-%02X-%02X-%02X Channel %d\n", |
| pResult->Result.BssDescriptor.bssId[0], |
| pResult->Result.BssDescriptor.bssId[1], |
| pResult->Result.BssDescriptor.bssId[2], |
| pResult->Result.BssDescriptor.bssId[3], |
| pResult->Result.BssDescriptor.bssId[4], |
| pResult->Result.BssDescriptor.bssId[5], |
| pResult->Result.BssDescriptor.channelId); |
| //No need to hold the spin lock because caller should hold the lock for pMac->scan.scanResultList |
| if( csrLLRemoveEntry(&pMac->scan.scanResultList, &pResult->Link, LL_ACCESS_NOLOCK) ) |
| { |
| csrFreeScanResultEntry(pMac, pResult); |
| } |
| fRet = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } //valid session |
| } //for |
| if( CSR_ROAM_SESSION_MAX == i ) |
| { |
| //reset the counter so this won't hapeen too soon |
| pResult->AgingCount = (tANI_S32)pMac->roam.configParam.agingCount; |
| pResult->Result.BssDescriptor.nReceivedTime = (tANI_TIMESTAMP)palGetTickCount(pMac->hHdd); |
| } |
| |
| return (fRet); |
| } |
| |
| |
| eHalStatus csrScanAgeResults(tpAniSirGlobal pMac, tSmeGetScanChnRsp *pScanChnInfo) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tListElem *pEntry, *tmpEntry; |
| tCsrScanResult *pResult; |
| tLimScanChn *pChnInfo; |
| tANI_U8 i; |
| |
| csrLLLock(&pMac->scan.scanResultList); |
| for(i = 0; i < pScanChnInfo->numChn; i++) |
| { |
| pChnInfo = &pScanChnInfo->scanChn[i]; |
| pEntry = csrLLPeekHead( &pMac->scan.scanResultList, LL_ACCESS_NOLOCK ); |
| while( pEntry ) |
| { |
| tmpEntry = csrLLNext(&pMac->scan.scanResultList, pEntry, LL_ACCESS_NOLOCK); |
| pResult = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| if(pResult->Result.BssDescriptor.channelId == pChnInfo->channelId) |
| { |
| if(pResult->AgingCount <= 0) |
| { |
| smsLog(pMac, LOGW, " age out due to ref count"); |
| csrScanAgeOutBss(pMac, pResult); |
| } |
| else |
| { |
| pResult->AgingCount--; |
| } |
| } |
| pEntry = tmpEntry; |
| } |
| } |
| csrLLUnlock(&pMac->scan.scanResultList); |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrSendMBScanReq( tpAniSirGlobal pMac, tANI_U16 sessionId, |
| tCsrScanRequest *pScanReq, tScanReqParam *pScanReqParam ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirSmeScanReq *pMsg; |
| tANI_U16 msgLen; |
| tANI_U8 bssid[WNI_CFG_BSSID_LEN] = {0, 0, 0, 0, 0, 0}; |
| tSirScanType scanType = pScanReq->scanType; |
| tANI_U32 minChnTime; //in units of milliseconds |
| tANI_U32 maxChnTime; //in units of milliseconds |
| tANI_U32 i; |
| tANI_U8 selfMacAddr[WNI_CFG_BSSID_LEN]; |
| tANI_U8 *pSelfMac = NULL; |
| |
| msgLen = (tANI_U16)(sizeof( tSirSmeScanReq ) - sizeof( pMsg->channelList.channelNumber ) + |
| ( sizeof( pMsg->channelList.channelNumber ) * pScanReq->ChannelInfo.numOfChannels )) + |
| ( pScanReq->uIEFieldLen ) ; |
| |
| status = palAllocateMemory(pMac->hHdd, (void **)&pMsg, msgLen); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| do |
| { |
| palZeroMemory(pMac->hHdd, pMsg, msgLen); |
| pMsg->messageType = pal_cpu_to_be16((tANI_U16)eWNI_SME_SCAN_REQ); |
| pMsg->length = pal_cpu_to_be16(msgLen); |
| //ToDO: Fill in session info when we need to do scan base on session. |
| pMsg->sessionId = 0; |
| pMsg->transactionId = 0; |
| pMsg->dot11mode = (tANI_U8) csrTranslateToWNICfgDot11Mode(pMac, csrFindBestPhyMode( pMac, pMac->roam.configParam.phyMode )); |
| pMsg->bssType = pal_cpu_to_be32(csrTranslateBsstypeToMacType(pScanReq->BSSType)); |
| |
| if ( CSR_IS_SESSION_VALID( pMac, sessionId ) ) |
| { |
| pSelfMac = (tANI_U8 *)&pMac->roam.roamSession[sessionId].selfMacAddr; |
| } |
| else |
| { |
| // Since we don't have session for the scanning, we find a valid session. In case we fail to |
| // do so, get the WNI_CFG_STA_ID |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| if( CSR_IS_SESSION_VALID( pMac, i ) ) |
| { |
| pSelfMac = (tANI_U8 *)&pMac->roam.roamSession[i].selfMacAddr; |
| break; |
| } |
| } |
| if( CSR_ROAM_SESSION_MAX == i ) |
| { |
| tANI_U32 len = WNI_CFG_BSSID_LEN; |
| pSelfMac = selfMacAddr; |
| status = ccmCfgGetStr( pMac, WNI_CFG_STA_ID, pSelfMac, &len ); |
| if( !HAL_STATUS_SUCCESS( status ) || |
| ( len < WNI_CFG_BSSID_LEN ) ) |
| { |
| smsLog( pMac, LOGE, FL(" Can not get self MAC address from CFG status = %d"), status ); |
| //Force failed status |
| status = eHAL_STATUS_FAILURE; |
| break; |
| } |
| } |
| } |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)pMsg->selfMacAddr, pSelfMac, sizeof(tSirMacAddr) ); |
| |
| //sirCopyMacAddr |
| palCopyMemory( pMac->hHdd, (tANI_U8 *)pMsg->bssId, (tANI_U8 *)&pScanReq->bssid, sizeof(tSirMacAddr) ); |
| if( palEqualMemory( pMac->hHdd, pScanReq->bssid, bssid, sizeof(tCsrBssid) ) ) |
| { |
| palFillMemory( pMac->hHdd, pMsg->bssId, sizeof(tSirMacAddr), 0xff ); |
| } |
| else |
| { |
| palCopyMemory(pMac->hHdd, pMsg->bssId, pScanReq->bssid, WNI_CFG_BSSID_LEN); |
| } |
| minChnTime = pScanReq->minChnTime; |
| maxChnTime = pScanReq->maxChnTime; |
| |
| //Verify the scan type first, if the scan is active scan, we need to make sure we |
| //are allowed to do so. |
| /* if 11d is enabled & we don't see any beacon around, scan type falls |
| back to passive. But in BT AMP STA mode we need to send out a |
| directed probe*/ |
| if( (eSIR_PASSIVE_SCAN != scanType) && (eCSR_SCAN_P2P_DISCOVERY != pScanReq->requestType) |
| && (eCSR_BSS_TYPE_WDS_STA != pScanReq->BSSType) |
| && (eANI_BOOLEAN_FALSE == pMac->scan.fEnableBypass11d)) |
| { |
| scanType = pMac->scan.curScanType; |
| if(eSIR_PASSIVE_SCAN == pMac->scan.curScanType) |
| { |
| if(minChnTime < pMac->roam.configParam.nPassiveMinChnTime) |
| { |
| minChnTime = pMac->roam.configParam.nPassiveMinChnTime; |
| } |
| if(maxChnTime < pMac->roam.configParam.nPassiveMaxChnTime) |
| { |
| maxChnTime = pMac->roam.configParam.nPassiveMaxChnTime; |
| } |
| } |
| } |
| pMsg->scanType = pal_cpu_to_be32(scanType); |
| |
| pMsg->numSsid = (pScanReq->SSIDs.numOfSSIDs < SIR_SCAN_MAX_NUM_SSID) ? pScanReq->SSIDs.numOfSSIDs : |
| SIR_SCAN_MAX_NUM_SSID; |
| if((pScanReq->SSIDs.numOfSSIDs != 0) && ( eSIR_PASSIVE_SCAN != scanType )) |
| { |
| for (i = 0; i < pMsg->numSsid; i++) |
| { |
| palCopyMemory(pMac->hHdd, &pMsg->ssId[i], &pScanReq->SSIDs.SSIDList[i].SSID, sizeof(tSirMacSSid)); |
| } |
| } |
| else |
| { |
| //Otherwise we scan all SSID and let the result filter later |
| for (i = 0; i < SIR_SCAN_MAX_NUM_SSID; i++) |
| { |
| pMsg->ssId[i].length = 0; |
| } |
| } |
| |
| //TODO: This preprocessor macro should be removed from CSR for production driver |
| //This is a temperarory fix for scanning on FPGA. |
| #if defined (ANI_CHIPSET_VIRGO) || defined (LIBRA_FPGA)|| defined (VOLANS_FPGA) |
| pMsg->minChannelTime = pal_cpu_to_be32(minChnTime * 8); |
| pMsg->maxChannelTime = pal_cpu_to_be32(maxChnTime * 8); |
| #elif defined (ANI_CHIPSET_TAURUS) || defined(ANI_CHIPSET_LIBRA) || defined(ANI_CHIPSET_VOLANS) |
| pMsg->minChannelTime = pal_cpu_to_be32(minChnTime); |
| pMsg->maxChannelTime = pal_cpu_to_be32(maxChnTime); |
| #else |
| #error unknown chipset |
| #endif |
| //hidden SSID option |
| pMsg->hiddenSsid = pScanReqParam->hiddenSsid; |
| //rest time |
| //pMsg->restTime = pScanReq->restTime; |
| pMsg->returnAfterFirstMatch = pScanReqParam->bReturnAfter1stMatch; |
| // All the scan results caching will be done by Roaming |
| // We do not want LIM to do any caching of scan results, |
| // so delete the LIM cache on all scan requests |
| pMsg->returnFreshResults = pScanReqParam->freshScan; |
| //Always ask for unique result |
| pMsg->returnUniqueResults = pScanReqParam->fUniqueResult; |
| pMsg->channelList.numChannels = (tANI_U8)pScanReq->ChannelInfo.numOfChannels; |
| if(pScanReq->ChannelInfo.numOfChannels) |
| { |
| //Assuming the channelNumber is tANI_U8 (1 byte) |
| status = palCopyMemory(pMac->hHdd, pMsg->channelList.channelNumber, pScanReq->ChannelInfo.ChannelList, |
| pScanReq->ChannelInfo.numOfChannels); |
| } |
| |
| pMsg->uIEFieldLen = (tANI_U16) pScanReq->uIEFieldLen; |
| pMsg->uIEFieldOffset = (tANI_U16)(sizeof( tSirSmeScanReq ) - sizeof( pMsg->channelList.channelNumber ) + |
| ( sizeof( pMsg->channelList.channelNumber ) * pScanReq->ChannelInfo.numOfChannels )) ; |
| if(pScanReq->uIEFieldLen != 0) |
| { |
| palCopyMemory(pMac->hHdd, (tANI_U8 *)pMsg+pMsg->uIEFieldOffset, |
| pScanReq->pIEField, pScanReq->uIEFieldLen ); |
| } |
| #ifdef WLAN_FEATURE_P2P |
| pMsg->p2pSearch = pScanReq->p2pSearch; |
| pMsg->skipDfsChnlInP2pSearch = pScanReq->skipDfsChnlInP2pSearch; |
| #endif |
| |
| }while(0); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = palSendMBMessage(pMac->hHdd, pMsg); |
| } |
| else { |
| palFreeMemory(pMac->hHdd, pMsg); |
| } |
| }//Success allocated memory |
| |
| |
| return( status ); |
| } |
| |
| eHalStatus csrSendMBScanResultReq( tpAniSirGlobal pMac, tScanReqParam *pScanReqParam ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirSmeScanReq *pMsg; |
| tANI_U16 msgLen; |
| |
| msgLen = (tANI_U16)(sizeof( tSirSmeScanReq )); |
| status = palAllocateMemory(pMac->hHdd, (void **)&pMsg, msgLen); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pMsg, msgLen); |
| pMsg->messageType = pal_cpu_to_be16((tANI_U16)eWNI_SME_SCAN_REQ); |
| pMsg->length = pal_cpu_to_be16(msgLen); |
| pMsg->sessionId = 0; |
| pMsg->returnFreshResults = pScanReqParam->freshScan; |
| //Always ask for unique result |
| pMsg->returnUniqueResults = pScanReqParam->fUniqueResult; |
| pMsg->returnAfterFirstMatch = pScanReqParam->bReturnAfter1stMatch; |
| status = palSendMBMessage(pMac->hHdd, pMsg); |
| } |
| |
| return( status ); |
| } |
| |
| |
| |
| eHalStatus csrScanChannels( tpAniSirGlobal pMac, tSmeCmd *pCommand ) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanReqParam scanReq; |
| |
| do |
| { |
| scanReq.freshScan = CSR_SME_SCAN_FLAGS_DELETE_CACHE | TRUE; |
| scanReq.fUniqueResult = TRUE; |
| scanReq.hiddenSsid = SIR_SCAN_NO_HIDDEN_SSID; |
| if(eCsrScanForSsid == pCommand->u.scanCmd.reason) |
| { |
| scanReq.bReturnAfter1stMatch = CSR_SCAN_RETURN_AFTER_FIRST_MATCH; |
| } |
| else |
| { |
| // Basically do scan on all channels even for 11D 1st scan case. |
| scanReq.bReturnAfter1stMatch = CSR_SCAN_RETURN_AFTER_ALL_CHANNELS; |
| } |
| if((eCsrScanBgScan == pCommand->u.scanCmd.reason)|| |
| (eCsrScanProbeBss == pCommand->u.scanCmd.reason)) |
| { |
| scanReq.hiddenSsid = SIR_SCAN_HIDDEN_SSID_PE_DECISION; |
| } |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| vos_log_scan_pkt_type *pScanLog = NULL; |
| |
| WLAN_VOS_DIAG_LOG_ALLOC(pScanLog, vos_log_scan_pkt_type, LOG_WLAN_SCAN_C); |
| if(pScanLog) |
| { |
| if(eCsrScanBgScan == pCommand->u.scanCmd.reason || |
| eCsrScanProbeBss == pCommand->u.scanCmd.reason) |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_HO_SCAN_REQ; |
| } |
| else |
| { |
| if( (eSIR_PASSIVE_SCAN != pCommand->u.scanCmd.u.scanRequest.scanType) && |
| (eSIR_PASSIVE_SCAN != pMac->scan.curScanType) ) |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_ACTIVE_SCAN_REQ; |
| } |
| else |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_PASSIVE_SCAN_REQ; |
| } |
| } |
| pScanLog->minChnTime = (v_U8_t)pCommand->u.scanCmd.u.scanRequest.minChnTime; |
| pScanLog->maxChnTime = (v_U8_t)pCommand->u.scanCmd.u.scanRequest.maxChnTime; |
| pScanLog->numChannel = (v_U8_t)pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| if(pScanLog->numChannel && (pScanLog->numChannel < VOS_LOG_MAX_NUM_CHANNEL)) |
| { |
| palCopyMemory(pMac->hHdd, pScanLog->channels, |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, |
| pScanLog->numChannel); |
| } |
| WLAN_VOS_DIAG_LOG_REPORT(pScanLog); |
| } |
| } |
| #endif //#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| |
| |
| status = csrSendMBScanReq(pMac, pCommand->sessionId, |
| &pCommand->u.scanCmd.u.scanRequest, &scanReq); |
| }while(0); |
| |
| return( status ); |
| } |
| |
| |
| eHalStatus csrScanRetrieveResult(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_FAILURE; |
| tScanReqParam scanReq; |
| |
| do |
| { |
| //not a fresh scan |
| scanReq.freshScan = CSR_SME_SCAN_FLAGS_DELETE_CACHE; |
| scanReq.fUniqueResult = TRUE; |
| scanReq.bReturnAfter1stMatch = CSR_SCAN_RETURN_AFTER_ALL_CHANNELS; |
| status = csrSendMBScanResultReq(pMac, &scanReq); |
| }while(0); |
| |
| return (status); |
| } |
| |
| |
| |
| eHalStatus csrProcessScanCommand( tpAniSirGlobal pMac, tSmeCmd *pCommand ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tCsrChannelInfo newChannelInfo = {0, NULL}; |
| int i, j; |
| tANI_U8 *pChannel = NULL; |
| tANI_U32 len = 0; |
| |
| // Transition to Scanning state... |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| pCommand->u.scanCmd.lastRoamState[i] = csrRoamStateChange( pMac, eCSR_ROAMING_STATE_SCANNING, i); |
| smsLog( pMac, LOG3, "starting SCAN command from %d state.... reason is %d\n", pCommand->u.scanCmd.lastRoamState[i], pCommand->u.scanCmd.reason ); |
| } |
| |
| switch(pCommand->u.scanCmd.reason) |
| { |
| case eCsrScanGetResult: |
| case eCsrScanForCapsChange: //For cap change, LIM already save BSS description |
| status = csrScanRetrieveResult(pMac); |
| break; |
| case eCsrScanSetBGScanParam: |
| status = csrProcessSetBGScanParam(pMac, pCommand); |
| break; |
| case eCsrScanBGScanAbort: |
| status = csrSetCfgBackgroundScanPeriod(pMac, 0); |
| break; |
| case eCsrScanBGScanEnable: |
| status = csrSetCfgBackgroundScanPeriod(pMac, pMac->roam.configParam.bgScanInterval); |
| break; |
| case eCsrScanGetScanChnInfo: |
| status = csrScanGetScanChannelInfo(pMac); |
| break; |
| case eCsrScanUserRequest: |
| if(pMac->roam.configParam.fScanTwice) |
| { |
| //We scan 2.4 channel twice |
| if(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels && |
| (NULL != pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList)) |
| { |
| len = pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| //allocate twice the channel |
| newChannelInfo.ChannelList = (tANI_U8 *)vos_mem_malloc(newChannelInfo.numOfChannels * 2); |
| pChannel = pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList; |
| } |
| else |
| { |
| //get the valid channel list to scan all. |
| len = sizeof(pMac->roam.validChannelList); |
| |
| if (HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, (tANI_U8 *)pMac->roam.validChannelList, &len))) |
| { |
| //allocate twice the channel |
| newChannelInfo.ChannelList = (tANI_U8 *)vos_mem_malloc(len * 2); |
| pChannel = pMac->roam.validChannelList; |
| } |
| } |
| if(NULL == newChannelInfo.ChannelList) |
| { |
| newChannelInfo.numOfChannels = 0; |
| } |
| else |
| { |
| j = 0; |
| for(i = 0; i < len; i++) |
| { |
| newChannelInfo.ChannelList[j++] = pChannel[i]; |
| if(CSR_MAX_24GHz_CHANNEL_NUMBER >= pChannel[i]) |
| { |
| newChannelInfo.ChannelList[j++] = pChannel[i]; |
| } |
| } |
| if(NULL != pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList) |
| { |
| //pChannel points to the channellist from the command, free it. |
| vos_mem_free(pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList); |
| } |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = j; |
| pCommand->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList = newChannelInfo.ChannelList; |
| } |
| } //if(pMac->roam.configParam.fScanTwice) |
| |
| status = csrScanChannels(pMac, pCommand); |
| |
| break; |
| default: |
| status = csrScanChannels(pMac, pCommand); |
| break; |
| } |
| |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrReleaseScanCommand(pMac, pCommand, eCSR_SCAN_FAILURE); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanSetBGScanparams(tpAniSirGlobal pMac, tCsrBGScanRequest *pScanReq) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pCommand = NULL; |
| |
| if(pScanReq) |
| { |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->u.scanCmd.reason = eCsrScanSetBGScanParam; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| palCopyMemory(pMac->hHdd, &pCommand->u.scanCmd.u.bgScanRequest, pScanReq, sizeof(tCsrBGScanRequest)); |
| //we have to do the follow |
| if(pScanReq->ChannelInfo.numOfChannels == 0) |
| { |
| pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList = NULL; |
| } |
| else |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList, |
| pScanReq->ChannelInfo.numOfChannels); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palCopyMemory(pMac->hHdd, pCommand->u.scanCmd.u.bgScanRequest.ChannelInfo.ChannelList, |
| pScanReq->ChannelInfo.ChannelList, pScanReq->ChannelInfo.numOfChannels); |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL("ran out of memory\n")); |
| csrReleaseCommandScan(pMac, pCommand); |
| break; |
| } |
| } |
| |
| //scan req for SSID |
| if(pScanReq->SSID.length) |
| { |
| palCopyMemory(pMac->hHdd, |
| pCommand->u.scanCmd.u.bgScanRequest.SSID.ssId, |
| pScanReq->SSID.ssId, |
| pScanReq->SSID.length); |
| pCommand->u.scanCmd.u.bgScanRequest.SSID.length = pScanReq->SSID.length; |
| |
| } |
| pCommand->u.scanCmd.u.bgScanRequest.maxChnTime= pScanReq->maxChnTime; |
| pCommand->u.scanCmd.u.bgScanRequest.minChnTime = pScanReq->minChnTime; |
| pCommand->u.scanCmd.u.bgScanRequest.scanInterval = pScanReq->scanInterval; |
| |
| |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| csrReleaseCommandScan( pMac, pCommand ); |
| break; |
| } |
| }while(0); |
| } |
| |
| return (status); |
| } |
| |
| eHalStatus csrScanBGScanAbort( tpAniSirGlobal pMac ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pCommand = NULL; |
| |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->u.scanCmd.reason = eCsrScanBGScanAbort; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| csrReleaseCommandScan( pMac, pCommand ); |
| break; |
| } |
| }while(0); |
| |
| return (status); |
| } |
| |
| |
| //This will enable the background scan with the non-zero interval |
| eHalStatus csrScanBGScanEnable(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSmeCmd *pCommand = NULL; |
| |
| if(pMac->roam.configParam.bgScanInterval) |
| { |
| do |
| { |
| pCommand = csrGetCommandBuffer(pMac); |
| if(!pCommand) |
| { |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pCommand->u.scanCmd, sizeof(tScanCmd)); |
| pCommand->command = eSmeCommandScan; |
| pCommand->u.scanCmd.reason = eCsrScanBGScanEnable; |
| pCommand->u.scanCmd.callback = NULL; |
| pCommand->u.scanCmd.pContext = NULL; |
| status = csrQueueSmeCommand(pMac, pCommand, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| csrReleaseCommandScan( pMac, pCommand ); |
| break; |
| } |
| }while(0); |
| //BG scan results are reported automatically by PE to SME once the scan is done. |
| //No need to fetch the results explicitly. |
| //csrScanStartGetResultTimer(pMac); |
| csrScanStartResultAgingTimer(pMac); |
| } |
| else |
| { |
| //We don't have BG scan so stop the aging timer |
| csrScanStopResultAgingTimer(pMac); |
| smsLog(pMac, LOGE, FL("cannot continue because the bgscan interval is 0\n")); |
| status = eHAL_STATUS_INVALID_PARAMETER; |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanCopyRequest(tpAniSirGlobal pMac, tCsrScanRequest *pDstReq, tCsrScanRequest *pSrcReq) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tANI_U32 len = sizeof(pMac->roam.validChannelList); |
| tANI_U32 index = 0; |
| tANI_U32 new_index = 0; |
| |
| do |
| { |
| status = csrScanFreeRequest(pMac, pDstReq); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = palCopyMemory(pMac->hHdd, pDstReq, pSrcReq, sizeof(tCsrScanRequest)); |
| if(pSrcReq->uIEFieldLen == 0) |
| { |
| pDstReq->pIEField = NULL; |
| } |
| else |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pDstReq->pIEField, pSrcReq->uIEFieldLen); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palCopyMemory(pMac->hHdd, pDstReq->pIEField, pSrcReq->pIEField, pSrcReq->uIEFieldLen); |
| pDstReq->uIEFieldLen = pSrcReq->uIEFieldLen; |
| } |
| else |
| { |
| smsLog(pMac, LOGE, "No memory for scanning IE fields\n"); |
| break; |
| } |
| }//Allocate memory for IE field |
| { |
| if(pSrcReq->ChannelInfo.numOfChannels == 0) |
| { |
| pDstReq->ChannelInfo.ChannelList = NULL; |
| pDstReq->ChannelInfo.numOfChannels = 0; |
| } |
| else |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pDstReq->ChannelInfo.ChannelList, |
| pSrcReq->ChannelInfo.numOfChannels * sizeof(*pDstReq->ChannelInfo.ChannelList)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| pDstReq->ChannelInfo.numOfChannels = 0; |
| smsLog(pMac, LOGE, "No memory for scanning Channel List\n"); |
| break; |
| } |
| |
| if((pSrcReq->scanType == eSIR_PASSIVE_SCAN) && (pSrcReq->requestType == eCSR_SCAN_REQUEST_11D_SCAN)) |
| { |
| for ( index = 0; index < pSrcReq->ChannelInfo.numOfChannels ; index++ ) |
| { |
| pDstReq->ChannelInfo.ChannelList[new_index] = |
| pSrcReq->ChannelInfo.ChannelList[index]; |
| new_index++; |
| } |
| pDstReq->ChannelInfo.numOfChannels = new_index; |
| } |
| else if(HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, pMac->roam.validChannelList, &len))) |
| { |
| new_index = 0; |
| pMac->roam.numValidChannels = len; |
| for ( index = 0; index < pSrcReq->ChannelInfo.numOfChannels ; index++ ) |
| { |
| if((csrRoamIsValidChannel(pMac, pSrcReq->ChannelInfo.ChannelList[index])) || |
| (eCSR_SCAN_P2P_DISCOVERY == pSrcReq->requestType)) |
| { |
| pDstReq->ChannelInfo.ChannelList[new_index] = |
| pSrcReq->ChannelInfo.ChannelList[index]; |
| new_index++; |
| } |
| } |
| pDstReq->ChannelInfo.numOfChannels = new_index; |
| } |
| else |
| { |
| smsLog(pMac, LOGE, "Couldn't get the valid Channel List, keeping requester's list\n"); |
| palCopyMemory(pMac->hHdd, pDstReq->ChannelInfo.ChannelList, pSrcReq->ChannelInfo.ChannelList, |
| pSrcReq->ChannelInfo.numOfChannels * sizeof(*pDstReq->ChannelInfo.ChannelList)); |
| pDstReq->ChannelInfo.numOfChannels = pSrcReq->ChannelInfo.numOfChannels; |
| } |
| }//Allocate memory for Channel List |
| } |
| if(pSrcReq->SSIDs.numOfSSIDs == 0) |
| { |
| pDstReq->SSIDs.numOfSSIDs = 0; |
| pDstReq->SSIDs.SSIDList = NULL; |
| } |
| else |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pDstReq->SSIDs.SSIDList, |
| pSrcReq->SSIDs.numOfSSIDs * sizeof(*pDstReq->SSIDs.SSIDList)); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| pDstReq->SSIDs.numOfSSIDs = pSrcReq->SSIDs.numOfSSIDs; |
| palCopyMemory(pMac->hHdd, pDstReq->SSIDs.SSIDList, pSrcReq->SSIDs.SSIDList, |
| pSrcReq->SSIDs.numOfSSIDs * sizeof(*pDstReq->SSIDs.SSIDList)); |
| } |
| else |
| { |
| pDstReq->SSIDs.numOfSSIDs = 0; |
| smsLog(pMac, LOGE, "No memory for scanning SSID List\n"); |
| break; |
| } |
| }//Allocate memory for SSID List |
| #ifdef WLAN_FEATURE_P2P |
| pDstReq->p2pSearch = pSrcReq->p2pSearch; |
| pDstReq->skipDfsChnlInP2pSearch = pSrcReq->skipDfsChnlInP2pSearch; |
| #endif |
| |
| } |
| }while(0); |
| |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanFreeRequest(pMac, pDstReq); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanFreeRequest(tpAniSirGlobal pMac, tCsrScanRequest *pReq) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| if(pReq->ChannelInfo.ChannelList) |
| { |
| status = palFreeMemory(pMac->hHdd, pReq->ChannelInfo.ChannelList); |
| pReq->ChannelInfo.ChannelList = NULL; |
| } |
| pReq->ChannelInfo.numOfChannels = 0; |
| if(pReq->pIEField) |
| { |
| status = palFreeMemory(pMac->hHdd, pReq->pIEField); |
| pReq->pIEField = NULL; |
| } |
| pReq->uIEFieldLen = 0; |
| if(pReq->SSIDs.SSIDList) |
| { |
| palFreeMemory(pMac->hHdd, pReq->SSIDs.SSIDList); |
| pReq->SSIDs.SSIDList = NULL; |
| } |
| pReq->SSIDs.numOfSSIDs = 0; |
| |
| return (status); |
| } |
| |
| |
| void csrScanCallCallback(tpAniSirGlobal pMac, tSmeCmd *pCommand, eCsrScanStatus scanStatus) |
| { |
| if(pCommand->u.scanCmd.callback) |
| { |
| // sme_ReleaseGlobalLock( &pMac->sme ); |
| pCommand->u.scanCmd.callback(pMac, pCommand->u.scanCmd.pContext, pCommand->u.scanCmd.scanID, scanStatus); |
| // sme_AcquireGlobalLock( &pMac->sme ); |
| } else { |
| smsLog( pMac, LOG2, "%s:%d - Callback NULL!!!\n", __FUNCTION__, __LINE__); |
| } |
| } |
| |
| |
| void csrScanStopTimers(tpAniSirGlobal pMac) |
| { |
| csrScanStopResultAgingTimer(pMac); |
| csrScanStopIdleScanTimer(pMac); |
| csrScanStopGetResultTimer(pMac); |
| } |
| |
| |
| eHalStatus csrScanStartGetResultTimer(tpAniSirGlobal pMac) |
| { |
| eHalStatus status; |
| |
| if(pMac->scan.fScanEnable) |
| { |
| status = palTimerStart(pMac->hHdd, pMac->scan.hTimerGetResult, CSR_SCAN_GET_RESULT_INTERVAL, eANI_BOOLEAN_TRUE); |
| } |
| else |
| { |
| status = eHAL_STATUS_FAILURE; |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanStopGetResultTimer(tpAniSirGlobal pMac) |
| { |
| return (palTimerStop(pMac->hHdd, pMac->scan.hTimerGetResult)); |
| } |
| |
| |
| void csrScanGetResultTimerHandler(void *pv) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| |
| csrScanRequestResult(pMac); |
| } |
| |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| static void csrStaApConcTimerHandler(void *pv) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| tListElem *pEntry; |
| tSmeCmd *pScanCmd; |
| |
| csrLLLock(&pMac->scan.scanCmdPendingList); |
| |
| if ( NULL != ( pEntry = csrLLPeekHead( &pMac->scan.scanCmdPendingList, LL_ACCESS_NOLOCK) ) ) |
| { |
| tCsrScanRequest scanReq; |
| tSmeCmd *pSendScanCmd = NULL; |
| tANI_U8 numChn = 0; |
| tANI_U8 i; |
| tCsrChannelInfo *pChnInfo = &scanReq.ChannelInfo; |
| tANI_U8 channelToScan[WNI_CFG_VALID_CHANNEL_LIST_LEN]; |
| eHalStatus status; |
| |
| |
| pScanCmd = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| numChn = pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels; |
| if (numChn > 1) |
| { |
| palZeroMemory(pMac->hHdd, &scanReq, sizeof(tCsrScanRequest)); |
| |
| pSendScanCmd = csrGetCommandBuffer(pMac); //optimize this to use 2 command buffer only |
| if (!pSendScanCmd) |
| { |
| smsLog( pMac, LOGE, FL(" Failed to get Queue command buffer\n") ); |
| csrLLUnlock(&pMac->scan.scanCmdPendingList); |
| return; |
| } |
| pSendScanCmd->command = pScanCmd->command; |
| pSendScanCmd->sessionId = pScanCmd->sessionId; |
| pSendScanCmd->u.scanCmd.callback = NULL; |
| pSendScanCmd->u.scanCmd.pContext = pScanCmd->u.scanCmd.pContext; |
| pSendScanCmd->u.scanCmd.reason = pScanCmd->u.scanCmd.reason; |
| pSendScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| |
| /* First copy all the parameters to local variable of scan request */ |
| csrScanCopyRequest(pMac, &scanReq, &pScanCmd->u.scanCmd.u.scanRequest); |
| |
| /* Now modify the elements of local var scan request required to be modified for split scan */ |
| pChnInfo->numOfChannels = 1; |
| palCopyMemory(pMac->hHdd, &channelToScan[0], &pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[0], |
| 1 * sizeof(tANI_U8)); //just send one channel |
| pChnInfo->ChannelList = &channelToScan[0]; |
| |
| for (i = 0; i <= (numChn-2); i++) |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[i] = |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[i+1]; //Move all the channels one step |
| } |
| |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = numChn -1; //reduce outstanding # of channels to be scanned |
| |
| scanReq.BSSType = eCSR_BSS_TYPE_ANY; |
| //Modify callers parameters in case of concurrency |
| scanReq.scanType = eSIR_ACTIVE_SCAN; |
| scanReq.maxChnTime = CSR_MIN(pScanCmd->u.scanCmd.u.scanRequest.maxChnTime,CSR_ACTIVE_MAX_CHANNEL_TIME_CONC); |
| scanReq.minChnTime = CSR_MIN(pScanCmd->u.scanCmd.u.scanRequest.minChnTime,CSR_ACTIVE_MIN_CHANNEL_TIME_CONC); |
| |
| status = csrScanCopyRequest(pMac, &pSendScanCmd->u.scanCmd.u.scanRequest, &scanReq); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| smsLog( pMac, LOGE, FL(" Failed to get copy csrScanRequest = %d\n"), status ); |
| csrLLUnlock(&pMac->scan.scanCmdPendingList); |
| return; |
| } |
| } |
| else |
| { //numChn ==1 This is the last channel to be scanned |
| //last channel remaining to scan |
| pSendScanCmd = pScanCmd; |
| //remove this command from pending list |
| if (csrLLRemoveHead( &pMac->scan.scanCmdPendingList, LL_ACCESS_NOLOCK) == NULL) |
| { //In case between PeekHead and here, the entry got removed by another thread. |
| smsLog( pMac, LOGE, FL(" Failed to remove entry from scanCmdPendingList\n")); |
| } |
| |
| } |
| csrQueueSmeCommand(pMac, pSendScanCmd, eANI_BOOLEAN_FALSE); |
| |
| } |
| |
| csrLLUnlock(&pMac->scan.scanCmdPendingList); |
| |
| } |
| #endif |
| |
| eHalStatus csrScanStartResultAgingTimer(tpAniSirGlobal pMac) |
| { |
| eHalStatus status; |
| |
| if(pMac->scan.fScanEnable) |
| { |
| status = palTimerStart(pMac->hHdd, pMac->scan.hTimerResultAging, CSR_SCAN_RESULT_AGING_INTERVAL, eANI_BOOLEAN_TRUE); |
| } |
| else |
| { |
| status = eHAL_STATUS_FAILURE; |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanStopResultAgingTimer(tpAniSirGlobal pMac) |
| { |
| return (palTimerStop(pMac->hHdd, pMac->scan.hTimerResultAging)); |
| } |
| |
| |
| //This function returns the maximum time a BSS is allowed in the scan result. |
| //The time varies base on connection and power saving factors. |
| //Not connected, No PS |
| //Not connected, with PS |
| //Connected w/o traffic, No PS |
| //Connected w/o traffic, with PS |
| //Connected w/ traffic, no PS -- Not supported |
| //Connected w/ traffic, with PS -- Not supported |
| //the return unit is in seconds. |
| tANI_U32 csrScanGetAgeOutTime(tpAniSirGlobal pMac) |
| { |
| tANI_U32 nRet; |
| |
| if(pMac->scan.nAgingCountDown) |
| { |
| //Calculate what should be the timeout value for this |
| nRet = pMac->scan.nLastAgeTimeOut * pMac->scan.nAgingCountDown; |
| pMac->scan.nAgingCountDown--; |
| } |
| else |
| { |
| if( csrIsAllSessionDisconnected( pMac ) ) |
| { |
| if(pmcIsPowerSaveEnabled(pMac, ePMC_IDLE_MODE_POWER_SAVE)) |
| { |
| nRet = pMac->roam.configParam.scanAgeTimeNCPS; |
| } |
| else |
| { |
| nRet = pMac->roam.configParam.scanAgeTimeNCNPS; |
| } |
| } |
| else |
| { |
| if(pmcIsPowerSaveEnabled(pMac, ePMC_BEACON_MODE_POWER_SAVE)) |
| { |
| nRet = pMac->roam.configParam.scanAgeTimeCPS; |
| } |
| else |
| { |
| nRet = pMac->roam.configParam.scanAgeTimeCNPS; |
| } |
| } |
| //If state-change causing aging time out change, we want to delay it somewhat to avoid |
| //unnecessary removal of BSS. This is mostly due to transition from connect to disconnect. |
| if(pMac->scan.nLastAgeTimeOut > nRet) |
| { |
| if(nRet) |
| { |
| pMac->scan.nAgingCountDown = (pMac->scan.nLastAgeTimeOut / nRet); |
| } |
| pMac->scan.nLastAgeTimeOut = nRet; |
| nRet *= pMac->scan.nAgingCountDown; |
| } |
| else |
| { |
| pMac->scan.nLastAgeTimeOut = nRet; |
| } |
| } |
| |
| return (nRet); |
| } |
| |
| |
| void csrScanResultAgingTimerHandler(void *pv) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| tANI_BOOLEAN fDisconnected = csrIsAllSessionDisconnected(pMac); |
| |
| //no scan, no aging |
| if(pMac->scan.fScanEnable && |
| (((eANI_BOOLEAN_FALSE == fDisconnected) && pMac->roam.configParam.bgScanInterval) |
| || (fDisconnected && (pMac->scan.fCancelIdleScan == eANI_BOOLEAN_FALSE))) |
| ) |
| { |
| tListElem *pEntry, *tmpEntry; |
| tCsrScanResult *pResult; |
| tANI_TIMESTAMP ageOutTime = (tANI_TIMESTAMP)(csrScanGetAgeOutTime(pMac) * PAL_TICKS_PER_SECOND); //turn it into 10ms units |
| tANI_TIMESTAMP curTime = (tANI_TIMESTAMP)palGetTickCount(pMac->hHdd); |
| |
| csrLLLock(&pMac->scan.scanResultList); |
| pEntry = csrLLPeekHead( &pMac->scan.scanResultList, LL_ACCESS_NOLOCK ); |
| while( pEntry ) |
| { |
| tmpEntry = csrLLNext(&pMac->scan.scanResultList, pEntry, LL_ACCESS_NOLOCK); |
| pResult = GET_BASE_ADDR( pEntry, tCsrScanResult, Link ); |
| if((curTime - pResult->Result.BssDescriptor.nReceivedTime) > ageOutTime) |
| { |
| smsLog(pMac, LOGW, " age out due to time out"); |
| csrScanAgeOutBss(pMac, pResult); |
| } |
| pEntry = tmpEntry; |
| } |
| csrLLUnlock(&pMac->scan.scanResultList); |
| } |
| } |
| |
| |
| eHalStatus csrScanStartIdleScanTimer(tpAniSirGlobal pMac, tANI_U32 interval) |
| { |
| eHalStatus status; |
| |
| smsLog(pMac, LOG1, " csrScanStartIdleScanTimer \n "); |
| if((pMac->scan.fScanEnable) && (eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan) && interval) |
| { |
| pMac->scan.nIdleScanTimeGap += interval; |
| palTimerStop(pMac->hHdd, pMac->scan.hTimerIdleScan); |
| status = palTimerStart(pMac->hHdd, pMac->scan.hTimerIdleScan, interval, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS(status) ) |
| { |
| smsLog(pMac, LOGE, " Fail to start Idle scan timer. status = %d interval = %d\n", status, interval); |
| //This should not happen but set the flag to restart when ready |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| } |
| } |
| else |
| { |
| if( pMac->scan.fScanEnable && (eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan) ) |
| { |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| } |
| status = eHAL_STATUS_FAILURE; |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanStopIdleScanTimer(tpAniSirGlobal pMac) |
| { |
| return (palTimerStop(pMac->hHdd, pMac->scan.hTimerIdleScan)); |
| } |
| |
| |
| //Stop CSR from asking for IMPS, This function doesn't disable IMPS from CSR |
| void csrScanSuspendIMPS( tpAniSirGlobal pMac ) |
| { |
| csrScanCancelIdleScan(pMac); |
| } |
| |
| |
| //Start CSR from asking for IMPS. This function doesn't trigger CSR to request entering IMPS |
| //because IMPS maybe disabled. |
| void csrScanResumeIMPS( tpAniSirGlobal pMac ) |
| { |
| csrScanStartIdleScan( pMac ); |
| } |
| |
| |
| void csrScanIMPSCallback(void *callbackContext, eHalStatus status) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( callbackContext ); |
| |
| if(eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan) |
| { |
| if(pMac->roam.configParam.IsIdleScanEnabled) |
| { |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| if(csrIsAllSessionDisconnected(pMac) && !csrIsRoamCommandWaiting(pMac)) |
| { |
| smsLog(pMac, LOGW, FL("starts idle mode full scan\n")); |
| csrScanAllChannels(pMac, eCSR_SCAN_IDLE_MODE_SCAN); |
| } |
| else |
| { |
| smsLog(pMac, LOGW, FL("cannot start idle mode full scan\n")); |
| //even though we are in timer handle, calling stop timer will make sure the timer |
| //doesn't get to restart. |
| csrScanStopIdleScanTimer(pMac); |
| } |
| } |
| else |
| { |
| smsLog(pMac, LOGE, FL("sees not success status (%d)\n"), status); |
| } |
| } |
| else |
| {//we might need another flag to check if CSR needs to request imps at all |
| |
| tANI_U32 nTime = 0; |
| |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_FALSE; |
| if(!HAL_STATUS_SUCCESS(csrScanTriggerIdleScan(pMac, &nTime))) |
| { |
| csrScanStartIdleScanTimer(pMac, nTime); |
| } |
| } |
| } |
| } |
| |
| |
| //Param: pTimeInterval -- Caller allocated memory in return, if failed, to specify the nxt time interval for |
| //idle scan timer interval |
| //Return: Not success -- meaning it cannot start IMPS, caller needs to start a timer for idle scan |
| eHalStatus csrScanTriggerIdleScan(tpAniSirGlobal pMac, tANI_U32 *pTimeInterval) |
| { |
| eHalStatus status = eHAL_STATUS_CSR_WRONG_STATE; |
| |
| //Do not trigger IMPS in case of concurrency |
| if (vos_concurrent_sessions_running() && csrIsAnySessionInConnectState(pMac)) |
| { |
| smsLog( pMac, LOG1, FL("Cannot request IMPS because Concurrent Sessions Running\n") ); |
| return (status); |
| } |
| |
| if(pTimeInterval) |
| { |
| *pTimeInterval = 0; |
| } |
| |
| smsLog(pMac, LOG3, FL("called\n")); |
| if( smeCommandPending( pMac ) ) |
| { |
| smsLog( pMac, LOG1, FL(" Cannot request IMPS because command pending\n") ); |
| //Not to enter IMPS because more work to do |
| if(pTimeInterval) |
| { |
| *pTimeInterval = 0; |
| } |
| //restart when ready |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| |
| return (status); |
| } |
| |
| if((pMac->scan.fScanEnable) && (eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan) |
| /*&& pMac->roam.configParam.impsSleepTime*/) |
| { |
| //Stop get result timer because idle scan gets scan result out of PE |
| csrScanStopGetResultTimer(pMac); |
| if(pTimeInterval) |
| { |
| *pTimeInterval = pMac->roam.configParam.impsSleepTime; |
| } |
| //pmcRequestImps take a period in millisecond unit. |
| status = pmcRequestImps(pMac, pMac->roam.configParam.impsSleepTime / PAL_TIMER_TO_MS_UNIT, csrScanIMPSCallback, pMac); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| if(eHAL_STATUS_PMC_ALREADY_IN_IMPS != status) |
| { |
| //Do restart the timer if CSR thinks it cannot do IMPS |
| if( !csrCheckPSReady( pMac ) ) |
| { |
| if(pTimeInterval) |
| { |
| *pTimeInterval = 0; |
| } |
| //Set the restart flag to true because that idle scan |
| //can be restarted even though the timer will not be running |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| } |
| else |
| { |
| //For not now, we do a quicker retry |
| if(pTimeInterval) |
| { |
| *pTimeInterval = CSR_IDLE_SCAN_WAIT_TIME; |
| } |
| } |
| smsLog(pMac, LOGW, FL("call pmcRequestImps and it returns status code (%d)\n"), status); |
| } |
| else |
| { |
| smsLog(pMac, LOGW, FL("already in IMPS\n")); |
| //Since CSR is the only module to request for IMPS. If it is already in IMPS, CSR assumes |
| //the callback will be called in the future. Should not happen though. |
| status = eHAL_STATUS_SUCCESS; |
| pMac->scan.nIdleScanTimeGap = 0; |
| } |
| } |
| else |
| { |
| //requested so let's reset the value |
| pMac->scan.nIdleScanTimeGap = 0; |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanStartIdleScan(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_CSR_WRONG_STATE; |
| tANI_U32 nTime = 0; |
| |
| smsLog(pMac, LOGW, FL("called\n")); |
| if(pMac->roam.configParam.IsIdleScanEnabled) |
| { |
| //stop bg scan first |
| csrScanBGScanAbort(pMac); |
| //Stop get result timer because idle scan gets scan result out of PE |
| csrScanStopGetResultTimer(pMac); |
| //Enable aging timer since idle scan is going on |
| csrScanStartResultAgingTimer(pMac); |
| } |
| pMac->scan.fCancelIdleScan = eANI_BOOLEAN_FALSE; |
| status = csrScanTriggerIdleScan(pMac, &nTime); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| csrScanStartIdleScanTimer(pMac, nTime); |
| } |
| |
| return (status); |
| } |
| |
| |
| void csrScanCancelIdleScan(tpAniSirGlobal pMac) |
| { |
| if(eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan) |
| { |
| #ifdef WLAN_SOFTAP_FEATURE |
| if (vos_concurrent_sessions_running()) { |
| return; |
| } |
| #endif |
| smsLog(pMac, LOG1, " csrScanCancelIdleScan\n"); |
| pMac->scan.fCancelIdleScan = eANI_BOOLEAN_TRUE; |
| //Set the restart flag in case later on it is uncancelled |
| pMac->scan.fRestartIdleScan = eANI_BOOLEAN_TRUE; |
| csrScanStopIdleScanTimer(pMac); |
| csrScanRemoveNotRoamingScanCommand(pMac); |
| } |
| } |
| |
| |
| void csrScanIdleScanTimerHandler(void *pv) |
| { |
| tpAniSirGlobal pMac = PMAC_STRUCT( pv ); |
| eHalStatus status; |
| tANI_U32 nTime = 0; |
| |
| smsLog(pMac, LOGW, " csrScanIdleScanTimerHandler called "); |
| status = csrScanTriggerIdleScan(pMac, &nTime); |
| if(!HAL_STATUS_SUCCESS(status) && (eANI_BOOLEAN_FALSE == pMac->scan.fCancelIdleScan)) |
| { |
| //Check whether it is time to actually do an idle scan |
| if(pMac->scan.nIdleScanTimeGap >= pMac->roam.configParam.impsSleepTime) |
| { |
| pMac->scan.nIdleScanTimeGap = 0; |
| csrScanIMPSCallback(pMac, eHAL_STATUS_SUCCESS); |
| } |
| else |
| { |
| csrScanStartIdleScanTimer(pMac, nTime); |
| } |
| } |
| } |
| |
| |
| |
| |
| tANI_BOOLEAN csrScanRemoveNotRoamingScanCommand(tpAniSirGlobal pMac) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| tListElem *pEntry, *pEntryTmp; |
| tSmeCmd *pCommand; |
| tDblLinkList localList; |
| |
| vos_mem_zero(&localList, sizeof(tDblLinkList)); |
| if(!HAL_STATUS_SUCCESS(csrLLOpen(pMac->hHdd, &localList))) |
| { |
| smsLog(pMac, LOGE, FL(" failed to open list")); |
| return fRet; |
| } |
| |
| csrLLLock(&pMac->sme.smeCmdPendingList); |
| pEntry = csrLLPeekHead(&pMac->sme.smeCmdPendingList, LL_ACCESS_NOLOCK); |
| while(pEntry) |
| { |
| pEntryTmp = csrLLNext(&pMac->sme.smeCmdPendingList, pEntry, LL_ACCESS_NOLOCK); |
| pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| if( eSmeCommandScan == pCommand->command ) |
| { |
| switch( pCommand->u.scanCmd.reason ) |
| { |
| case eCsrScanIdleScan: |
| if( csrLLRemoveEntry(&pMac->sme.smeCmdPendingList, pEntry, LL_ACCESS_NOLOCK) ) |
| { |
| csrLLInsertTail(&localList, pEntry, LL_ACCESS_NOLOCK); |
| } |
| fRet = eANI_BOOLEAN_TRUE; |
| break; |
| |
| default: |
| break; |
| } //switch |
| } |
| pEntry = pEntryTmp; |
| } |
| |
| csrLLUnlock(&pMac->sme.smeCmdPendingList); |
| |
| while( (pEntry = csrLLRemoveHead(&localList, LL_ACCESS_NOLOCK)) ) |
| { |
| pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| csrReleaseCommandScan( pMac, pCommand ); |
| } |
| |
| csrLLClose(&localList); |
| |
| return (fRet); |
| } |
| |
| |
| tANI_BOOLEAN csrScanRemoveFreshScanCommand(tpAniSirGlobal pMac, tANI_U8 sessionId) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| tListElem *pEntry, *pEntryTmp; |
| tSmeCmd *pCommand; |
| tDblLinkList localList; |
| |
| vos_mem_zero(&localList, sizeof(tDblLinkList)); |
| if(!HAL_STATUS_SUCCESS(csrLLOpen(pMac->hHdd, &localList))) |
| { |
| smsLog(pMac, LOGE, FL(" failed to open list")); |
| return fRet; |
| } |
| |
| csrLLLock(&pMac->sme.smeCmdPendingList); |
| pEntry = csrLLPeekHead(&pMac->sme.smeCmdPendingList, LL_ACCESS_NOLOCK); |
| while(pEntry) |
| { |
| pEntryTmp = csrLLNext(&pMac->sme.smeCmdPendingList, pEntry, LL_ACCESS_NOLOCK); |
| pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| if( (eSmeCommandScan == pCommand->command) && (sessionId == pCommand->sessionId) ) |
| { |
| switch(pCommand->u.scanCmd.reason) |
| { |
| case eCsrScanGetResult: |
| case eCsrScanSetBGScanParam: |
| case eCsrScanBGScanAbort: |
| case eCsrScanBGScanEnable: |
| case eCsrScanGetScanChnInfo: |
| break; |
| default: |
| smsLog (pMac, LOGW, "%s: -------- abort scan command reason = %d\n", |
| __FUNCTION__, pCommand->u.scanCmd.reason); |
| //The rest are fresh scan requests |
| if( csrLLRemoveEntry(&pMac->sme.smeCmdPendingList, pEntry, LL_ACCESS_NOLOCK) ) |
| { |
| csrLLInsertTail(&localList, pEntry, LL_ACCESS_NOLOCK); |
| } |
| fRet = eANI_BOOLEAN_TRUE; |
| break; |
| } |
| } |
| pEntry = pEntryTmp; |
| } |
| |
| csrLLUnlock(&pMac->sme.smeCmdPendingList); |
| |
| while( (pEntry = csrLLRemoveHead(&localList, LL_ACCESS_NOLOCK)) ) |
| { |
| pCommand = GET_BASE_ADDR(pEntry, tSmeCmd, Link); |
| if (pCommand->u.scanCmd.callback) |
| { |
| /* User scan request is pending, |
| * send response with status eCSR_SCAN_ABORT*/ |
| pCommand->u.scanCmd.callback(pMac, |
| pCommand->u.scanCmd.pContext, |
| pCommand->u.scanCmd.scanID, |
| eCSR_SCAN_ABORT); |
| } |
| csrReleaseCommandScan( pMac, pCommand ); |
| } |
| csrLLClose(&localList); |
| |
| return (fRet); |
| } |
| |
| |
| void csrReleaseScanCommand(tpAniSirGlobal pMac, tSmeCmd *pCommand, eCsrScanStatus scanStatus) |
| { |
| eCsrScanReason reason = pCommand->u.scanCmd.reason; |
| tANI_U32 i; |
| for( i = 0; i < CSR_ROAM_SESSION_MAX; i++ ) |
| { |
| csrRoamStateChange( pMac, pCommand->u.scanCmd.lastRoamState[i], i); |
| } |
| |
| csrScanCallCallback(pMac, pCommand, scanStatus); |
| |
| smsLog(pMac, LOG3, " Remove Scan command reason = %d\n", reason); |
| if( csrLLRemoveEntry( &pMac->sme.smeCmdActiveList, &pCommand->Link, LL_ACCESS_LOCK ) ) |
| { |
| csrReleaseCommandScan( pMac, pCommand ); |
| } |
| else |
| { |
| smsLog(pMac, LOGE, " ********csrReleaseScanCommand cannot release command reason %d\n", pCommand->u.scanCmd.reason ); |
| } |
| } |
| |
| |
| eHalStatus csrScanGetPMKIDCandidateList(tpAniSirGlobal pMac, tANI_U32 sessionId, |
| tPmkidCandidateInfo *pPmkidList, tANI_U32 *pNumItems ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, " pMac->scan.NumPmkidCandidate = %d\n ", pSession->NumPmkidCandidate); |
| csrResetPMKIDCandidateList(pMac, sessionId); |
| if(csrIsConnStateConnected(pMac, sessionId) && pSession->pCurRoamProfile) |
| { |
| tCsrScanResultFilter *pScanFilter; |
| tCsrScanResultInfo *pScanResult; |
| tScanResultHandle hBSSList; |
| tANI_U32 nItems = *pNumItems; |
| |
| *pNumItems = 0; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| //Here is the profile we need to connect to |
| status = csrRoamPrepareFilterFromProfile(pMac, pSession->pCurRoamProfile, pScanFilter); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| while(((pScanResult = csrScanResultGetNext(pMac, hBSSList)) != NULL) && ( pSession->NumPmkidCandidate < nItems)) |
| { |
| //NumPmkidCandidate adds up here |
| csrProcessBSSDescForPMKIDList(pMac, &pScanResult->BssDescriptor, |
| (tDot11fBeaconIEs *)( pScanResult->pvIes )); |
| } |
| if(pSession->NumPmkidCandidate) |
| { |
| *pNumItems = pSession->NumPmkidCandidate; |
| palCopyMemory(pMac->hHdd, pPmkidList, pSession->PmkidCandidateInfo, |
| pSession->NumPmkidCandidate * sizeof(tPmkidCandidateInfo)); |
| } |
| csrScanResultPurge(pMac, hBSSList); |
| }//Have scan result |
| csrFreeScanFilter(pMac, pScanFilter); |
| } |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| #ifdef FEATURE_WLAN_WAPI |
| eHalStatus csrScanGetBKIDCandidateList(tpAniSirGlobal pMac, tANI_U32 sessionId, |
| tBkidCandidateInfo *pBkidList, tANI_U32 *pNumItems ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tCsrRoamSession *pSession = CSR_GET_SESSION( pMac, sessionId ); |
| |
| if(!pSession) |
| { |
| smsLog(pMac, LOGE, FL(" session %d not found "), sessionId); |
| return eHAL_STATUS_FAILURE; |
| } |
| |
| smsLog(pMac, LOGW, " pMac->scan.NumBkidCandidate = %d\n ", pSession->NumBkidCandidate); |
| csrResetBKIDCandidateList(pMac, sessionId); |
| if(csrIsConnStateConnected(pMac, sessionId) && pSession->pCurRoamProfile) |
| { |
| tCsrScanResultFilter *pScanFilter; |
| tCsrScanResultInfo *pScanResult; |
| tScanResultHandle hBSSList; |
| tANI_U32 nItems = *pNumItems; |
| *pNumItems = 0; |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanFilter, sizeof(tCsrScanResultFilter)); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pScanFilter, sizeof(tCsrScanResultFilter)); |
| //Here is the profile we need to connect to |
| status = csrRoamPrepareFilterFromProfile(pMac, pSession->pCurRoamProfile, pScanFilter); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| status = csrScanGetResult(pMac, pScanFilter, &hBSSList); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| while(((pScanResult = csrScanResultGetNext(pMac, hBSSList)) != NULL) && ( pSession->NumBkidCandidate < nItems)) |
| { |
| //pMac->scan.NumBkidCandidate adds up here |
| csrProcessBSSDescForBKIDList(pMac, &pScanResult->BssDescriptor, |
| (tDot11fBeaconIEs *)( pScanResult->pvIes )); |
| |
| } |
| if(pSession->NumBkidCandidate) |
| { |
| *pNumItems = pSession->NumBkidCandidate; |
| palCopyMemory(pMac->hHdd, pBkidList, pSession->BkidCandidateInfo, pSession->NumBkidCandidate * sizeof(tBkidCandidateInfo)); |
| } |
| csrScanResultPurge(pMac, hBSSList); |
| }//Have scan result |
| } |
| palFreeMemory(pMac->hHdd, pScanFilter); |
| } |
| } |
| |
| return (status); |
| } |
| #endif /* FEATURE_WLAN_WAPI */ |
| |
| |
| |
| //This function is usually used for BSSs that suppresses SSID so the profile |
| //shall have one and only one SSID |
| eHalStatus csrScanForSSID(tpAniSirGlobal pMac, tANI_U32 sessionId, tCsrRoamProfile *pProfile, tANI_U32 roamId) |
| { |
| eHalStatus status = eHAL_STATUS_INVALID_PARAMETER; |
| tSmeCmd *pScanCmd = NULL; |
| tANI_U8 bAddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| tANI_U8 index = 0; |
| tANI_U32 numSsid = pProfile->SSIDs.numOfSSIDs; |
| |
| smsLog(pMac, LOG2, FL("called\n")); |
| //For WDS, we use the index 0. There must be at least one in there |
| if( CSR_IS_WDS_STA( pProfile ) && numSsid ) |
| { |
| numSsid = 1; |
| } |
| if(pMac->scan.fScanEnable && ( numSsid == 1 ) ) |
| { |
| do |
| { |
| pScanCmd = csrGetCommandBuffer(pMac); |
| if(!pScanCmd) |
| { |
| smsLog(pMac, LOGE, FL("failed to allocate command buffer\n")); |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanCmd->u.scanCmd.pToRoamProfile, sizeof(tCsrRoamProfile)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| status = csrRoamCopyProfile(pMac, pScanCmd->u.scanCmd.pToRoamProfile, pProfile); |
| if(!HAL_STATUS_SUCCESS(status)) |
| break; |
| pScanCmd->u.scanCmd.roamId = roamId; |
| pScanCmd->command = eSmeCommandScan; |
| pScanCmd->sessionId = (tANI_U8)sessionId; |
| pScanCmd->u.scanCmd.callback = NULL; |
| pScanCmd->u.scanCmd.pContext = NULL; |
| pScanCmd->u.scanCmd.reason = eCsrScanForSsid; |
| pScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd.u.scanRequest, sizeof(tCsrScanRequest)); |
| pScanCmd->u.scanCmd.u.scanRequest.scanType = eSIR_ACTIVE_SCAN; |
| pScanCmd->u.scanCmd.u.scanRequest.BSSType = pProfile->BSSType; |
| // To avoid 11b rate in probe request Set p2pSearch flag as 1 for P2P Client Mode |
| if(VOS_P2P_CLIENT_MODE == pProfile->csrPersona) |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.p2pSearch = 1; |
| } |
| if(pProfile->pAddIEScan) |
| { |
| status = palAllocateMemory(pMac->hHdd, |
| (void **)&pScanCmd->u.scanCmd.u.scanRequest.pIEField, |
| pProfile->nAddIEScanLength); |
| palZeroMemory(pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.pIEField, pProfile->nAddIEScanLength); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palCopyMemory(pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.pIEField, pProfile->pAddIEScan, pProfile->nAddIEScanLength); |
| pScanCmd->u.scanCmd.u.scanRequest.uIEFieldLen = pProfile->nAddIEScanLength; |
| } |
| else |
| { |
| smsLog(pMac, LOGE, "No memory for scanning IE fields\n"); |
| } |
| } //Allocate memory for IE field |
| else |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.uIEFieldLen = 0; |
| } |
| /* For one channel be good enpugh time to receive beacon atleast */ |
| if( 1 == pProfile->ChannelInfo.numOfChannels ) |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.maxChnTime = MAX_ACTIVE_SCAN_FOR_ONE_CHANNEL; |
| pScanCmd->u.scanCmd.u.scanRequest.minChnTime = MIN_ACTIVE_SCAN_FOR_ONE_CHANNEL; |
| } |
| else |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.maxChnTime = pMac->roam.configParam.nActiveMaxChnTime; |
| pScanCmd->u.scanCmd.u.scanRequest.minChnTime = pMac->roam.configParam.nActiveMinChnTime; |
| } |
| if(pProfile->BSSIDs.numOfBSSIDs == 1) |
| { |
| palCopyMemory(pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.bssid, pProfile->BSSIDs.bssid, sizeof(tCsrBssid)); |
| } |
| else |
| { |
| palCopyMemory(pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.bssid, bAddr, 6); |
| } |
| if(pProfile->ChannelInfo.numOfChannels) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList, sizeof(*pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList) * pProfile->ChannelInfo.numOfChannels); |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = 0; |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| csrRoamIsChannelValid(pMac, pProfile->ChannelInfo.ChannelList[0]); |
| for(index = 0; index < pProfile->ChannelInfo.numOfChannels; index++) |
| { |
| if(csrRoamIsValidChannel(pMac, pProfile->ChannelInfo.ChannelList[index])) |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.ChannelList[pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels] |
| = pProfile->ChannelInfo.ChannelList[index]; |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels++; |
| } |
| else |
| { |
| smsLog(pMac, LOGW, FL("process a channel (%d) that is invalid\n"), pProfile->ChannelInfo.ChannelList[index]); |
| } |
| |
| } |
| } |
| else |
| { |
| break; |
| } |
| |
| } |
| else |
| { |
| pScanCmd->u.scanCmd.u.scanRequest.ChannelInfo.numOfChannels = 0; |
| } |
| if(pProfile->SSIDs.numOfSSIDs) |
| { |
| status = palAllocateMemory(pMac->hHdd, (void **)&pScanCmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList, |
| pProfile->SSIDs.numOfSSIDs * sizeof(tCsrSSIDInfo)); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| break; |
| } |
| pScanCmd->u.scanCmd.u.scanRequest.SSIDs.numOfSSIDs = 1; |
| palCopyMemory(pMac->hHdd, pScanCmd->u.scanCmd.u.scanRequest.SSIDs.SSIDList, pProfile->SSIDs.SSIDList, |
| sizeof(tCsrSSIDInfo)); |
| } |
| //Start process the command |
| status = csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| }while(0); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| if(pScanCmd) |
| { |
| csrReleaseCommandScan(pMac, pScanCmd); |
| //TODO:free the memory that is allocated in this function |
| } |
| csrRoamCallCallback(pMac, sessionId, NULL, roamId, eCSR_ROAM_FAILED, eCSR_ROAM_RESULT_FAILURE); |
| } |
| }//valid |
| else |
| { |
| smsLog(pMac, LOGE, FL("cannot scan because scanEnable (%d) or numSSID (%d) is invalid\n"), |
| pMac->scan.fScanEnable, pProfile->SSIDs.numOfSSIDs); |
| } |
| |
| return (status); |
| } |
| |
| |
| //Issue a scan base on the new capability infomation |
| //This should only happen when the associated AP changes its capability. |
| //After this scan is done, CSR reroams base on the new scan results |
| eHalStatus csrScanForCapabilityChange(tpAniSirGlobal pMac, tSirSmeApNewCaps *pNewCaps) |
| { |
| eHalStatus status = eHAL_STATUS_INVALID_PARAMETER; |
| tSmeCmd *pScanCmd = NULL; |
| |
| if(pNewCaps) |
| { |
| do |
| { |
| pScanCmd = csrGetCommandBuffer(pMac); |
| if(!pScanCmd) |
| { |
| smsLog(pMac, LOGE, FL("failed to allocate command buffer\n")); |
| status = eHAL_STATUS_RESOURCES; |
| break; |
| } |
| palZeroMemory(pMac->hHdd, &pScanCmd->u.scanCmd, sizeof(tScanCmd)); |
| status = eHAL_STATUS_SUCCESS; |
| pScanCmd->u.scanCmd.roamId = 0; |
| pScanCmd->command = eSmeCommandScan; |
| pScanCmd->u.scanCmd.callback = NULL; |
| pScanCmd->u.scanCmd.pContext = NULL; |
| pScanCmd->u.scanCmd.reason = eCsrScanForCapsChange; |
| pScanCmd->u.scanCmd.scanID = pMac->scan.nextScanID++; //let it wrap around |
| status = csrQueueSmeCommand(pMac, pScanCmd, eANI_BOOLEAN_FALSE); |
| if( !HAL_STATUS_SUCCESS( status ) ) |
| { |
| smsLog( pMac, LOGE, FL(" fail to send message status = %d\n"), status ); |
| break; |
| } |
| }while(0); |
| if(!HAL_STATUS_SUCCESS(status)) |
| { |
| if(pScanCmd) |
| { |
| csrReleaseCommandScan(pMac, pScanCmd); |
| } |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| |
| void csrInitBGScanChannelList(tpAniSirGlobal pMac) |
| { |
| tANI_U32 len = CSR_MIN(sizeof(pMac->roam.validChannelList), sizeof(pMac->scan.bgScanChannelList)); |
| |
| palZeroMemory(pMac->hHdd, pMac->scan.bgScanChannelList, len); |
| pMac->scan.numBGScanChannel = 0; |
| |
| if(HAL_STATUS_SUCCESS(csrGetCfgValidChannels(pMac, pMac->roam.validChannelList, &len))) |
| { |
| pMac->roam.numValidChannels = len; |
| pMac->scan.numBGScanChannel = (tANI_U8)CSR_MIN(len, WNI_CFG_BG_SCAN_CHANNEL_LIST_LEN); |
| palCopyMemory(pMac->hHdd, pMac->scan.bgScanChannelList, pMac->roam.validChannelList, pMac->scan.numBGScanChannel); |
| csrSetBGScanChannelList(pMac, pMac->scan.bgScanChannelList, pMac->scan.numBGScanChannel); |
| } |
| } |
| |
| |
| //This function return TRUE if background scan channel list is adjusted. |
| //this function will only shrink the background scan channel list |
| tANI_BOOLEAN csrAdjustBGScanChannelList(tpAniSirGlobal pMac, tANI_U8 *pChannelList, tANI_U8 NumChannels, |
| tANI_U8 *pAdjustChannels, tANI_U8 *pNumAdjustChannels) |
| { |
| tANI_BOOLEAN fRet = eANI_BOOLEAN_FALSE; |
| tANI_U8 i, j, count = *pNumAdjustChannels; |
| |
| i = 0; |
| while(i < count) |
| { |
| for(j = 0; j < NumChannels; j++) |
| { |
| if(pChannelList[j] == pAdjustChannels[i]) |
| break; |
| } |
| if(j == NumChannels) |
| { |
| //This channel is not in the list, remove it |
| fRet = eANI_BOOLEAN_TRUE; |
| count--; |
| if(count - i) |
| { |
| palCopyMemory(pMac->hHdd, &pAdjustChannels[i], &pAdjustChannels[i+1], count - i); |
| } |
| else |
| { |
| //already remove the last one. Done. |
| break; |
| } |
| } |
| else |
| { |
| i++; |
| } |
| }//while(i<count) |
| *pNumAdjustChannels = count; |
| |
| return (fRet); |
| } |
| |
| |
| //Get the list of the base channels to scan for passively 11d info |
| eHalStatus csrScanGetSupportedChannels( tpAniSirGlobal pMac ) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| int n = WNI_CFG_VALID_CHANNEL_LIST_LEN; |
| |
| status = vos_nv_getSupportedChannels( pMac->scan.baseChannels.channelList, &n, NULL, NULL ); |
| if( HAL_STATUS_SUCCESS(status) ) |
| { |
| pMac->scan.baseChannels.numChannels = (tANI_U8)n; |
| } |
| else |
| { |
| smsLog( pMac, LOGE, FL(" failed\n") ); |
| pMac->scan.baseChannels.numChannels = 0; |
| } |
| |
| return ( status ); |
| } |
| |
| //This function use the input pChannelList to validate the current saved channel list |
| eHalStatus csrSetBGScanChannelList( tpAniSirGlobal pMac, tANI_U8 *pAdjustChannels, tANI_U8 NumAdjustChannels) |
| { |
| tANI_U32 dataLen = sizeof( tANI_U8 ) * NumAdjustChannels; |
| |
| return (ccmCfgSetStr(pMac, WNI_CFG_BG_SCAN_CHANNEL_LIST, pAdjustChannels, dataLen, NULL, eANI_BOOLEAN_FALSE)); |
| } |
| |
| |
| void csrSetCfgValidChannelList( tpAniSirGlobal pMac, tANI_U8 *pChannelList, tANI_U8 NumChannels ) |
| { |
| tANI_U32 dataLen = sizeof( tANI_U8 ) * NumChannels; |
| |
| |
| ccmCfgSetStr(pMac, WNI_CFG_VALID_CHANNEL_LIST, pChannelList, dataLen, NULL, eANI_BOOLEAN_FALSE); |
| |
| return; |
| } |
| |
| |
| |
| /* |
| * The Tx power limits are saved in the cfg for future usage. |
| */ |
| void csrSaveTxPowerToCfg( tpAniSirGlobal pMac, tDblLinkList *pList, tANI_U32 cfgId ) |
| { |
| tListElem *pEntry; |
| tANI_U32 cbLen = 0, dataLen; |
| tCsrChannelPowerInfo *pChannelSet; |
| tANI_U32 idx; |
| tSirMacChanInfo *pChannelPowerSet; |
| tANI_U8 *pBuf = NULL; |
| |
| //allocate maximum space for all channels |
| dataLen = WNI_CFG_VALID_CHANNEL_LIST_LEN * sizeof(tSirMacChanInfo); |
| if(HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, (void **)&pBuf, dataLen))) |
| { |
| palZeroMemory(pMac->hHdd, pBuf, dataLen); |
| pChannelPowerSet = (tSirMacChanInfo *)(pBuf); |
| |
| pEntry = csrLLPeekHead( pList, LL_ACCESS_LOCK ); |
| // write the tuples (startChan, numChan, txPower) for each channel found in the channel power list. |
| while( pEntry ) |
| { |
| pChannelSet = GET_BASE_ADDR( pEntry, tCsrChannelPowerInfo, link ); |
| if ( 1 != pChannelSet->interChannelOffset ) |
| { |
| // we keep the 5G channel sets internally with an interchannel offset of 4. Expand these |
| // to the right format... (inter channel offset of 1 is the only option for the triplets |
| // that 11d advertises. |
| if ((cbLen + (pChannelSet->numChannels * sizeof(tSirMacChanInfo))) >= dataLen) |
| { |
| // expanding this entry will overflow our allocation |
| smsLog(pMac, LOGE, |
| "%s: Buffer overflow, start %d, num %d, offset %d", |
| __FUNCTION__, |
| pChannelSet->firstChannel, |
| pChannelSet->numChannels, |
| pChannelSet->interChannelOffset); |
| break; |
| } |
| |
| for( idx = 0; idx < pChannelSet->numChannels; idx++ ) |
| { |
| pChannelPowerSet->firstChanNum = (tSirMacChanNum)(pChannelSet->firstChannel + ( idx * pChannelSet->interChannelOffset )); |
| smsLog(pMac, LOG3, " Setting Channel Number %d\n", pChannelPowerSet->firstChanNum); |
| pChannelPowerSet->numChannels = 1; |
| #ifdef WLAN_SOFTAP_FEATURE |
| pChannelPowerSet->maxTxPower = CSR_ROAM_MIN( pChannelSet->txPower, pMac->roam.configParam.nTxPowerCap ); |
| #else |
| pChannelPowerSet->maxTxPower = pChannelSet->txPower; |
| #endif |
| smsLog(pMac, LOG3, " Setting Max Transmit Power %d\n", pChannelPowerSet->maxTxPower); |
| cbLen += sizeof( tSirMacChanInfo ); |
| pChannelPowerSet++; |
| } |
| } |
| else |
| { |
| if (cbLen >= dataLen) |
| { |
| // this entry will overflow our allocation |
| smsLog(pMac, LOGE, |
| "%s: Buffer overflow, start %d, num %d, offset %d", |
| __FUNCTION__, |
| pChannelSet->firstChannel, |
| pChannelSet->numChannels, |
| pChannelSet->interChannelOffset); |
| break; |
| } |
| pChannelPowerSet->firstChanNum = pChannelSet->firstChannel; |
| smsLog(pMac, LOG3, " Setting Channel Number %d\n", pChannelPowerSet->firstChanNum); |
| pChannelPowerSet->numChannels = pChannelSet->numChannels; |
| #ifdef WLAN_SOFTAP_FEATURE |
| pChannelPowerSet->maxTxPower = CSR_ROAM_MIN( pChannelSet->txPower, pMac->roam.configParam.nTxPowerCap ); |
| #else |
| pChannelPowerSet->maxTxPower = pChannelSet->txPower; |
| #endif |
| smsLog(pMac, LOG3, " Setting Max Transmit Power %d, nTxPower %d\n", pChannelPowerSet->maxTxPower,pMac->roam.configParam.nTxPowerCap ); |
| |
| |
| cbLen += sizeof( tSirMacChanInfo ); |
| pChannelPowerSet++; |
| } |
| |
| pEntry = csrLLNext( pList, pEntry, LL_ACCESS_LOCK ); |
| } |
| |
| if(cbLen) |
| { |
| ccmCfgSetStr(pMac, cfgId, (tANI_U8 *)pBuf, cbLen, NULL, eANI_BOOLEAN_FALSE); |
| } |
| palFreeMemory( pMac->hHdd, pBuf ); |
| }//Allocate memory |
| } |
| |
| |
| void csrSetCfgCountryCode( tpAniSirGlobal pMac, tANI_U8 *countryCode ) |
| { |
| tANI_U8 cc[WNI_CFG_COUNTRY_CODE_LEN]; |
| ///v_REGDOMAIN_t DomainId; |
| |
| smsLog( pMac, LOG3, "Setting Country Code in Cfg from csrSetCfgCountryCode %s\n",countryCode ); |
| palCopyMemory( pMac->hHdd, cc, countryCode, WNI_CFG_COUNTRY_CODE_LEN ); |
| |
| // don't program the bogus country codes that we created for Korea in the MAC. if we see |
| // the bogus country codes, program the MAC with the right country code. |
| if ( ( 'K' == countryCode[ 0 ] && '1' == countryCode[ 1 ] ) || |
| ( 'K' == countryCode[ 0 ] && '2' == countryCode[ 1 ] ) || |
| ( 'K' == countryCode[ 0 ] && '3' == countryCode[ 1 ] ) || |
| ( 'K' == countryCode[ 0 ] && '4' == countryCode[ 1 ] ) ) |
| { |
| // replace the alternate Korea country codes, 'K1', 'K2', .. with 'KR' for Korea |
| cc[ 1 ] = 'R'; |
| } |
| ccmCfgSetStr(pMac, WNI_CFG_COUNTRY_CODE, cc, WNI_CFG_COUNTRY_CODE_LEN, NULL, eANI_BOOLEAN_FALSE); |
| |
| //Need to let HALPHY know about the current domain so it can apply some |
| //domain-specific settings (TX filter...) |
| /*if(HAL_STATUS_SUCCESS(csrGetRegulatoryDomainForCountry(pMac, cc, &DomainId))) |
| { |
| halPhySetRegDomain(pMac, DomainId); |
| }*/ |
| } |
| |
| |
| |
| eHalStatus csrGetCountryCode(tpAniSirGlobal pMac, tANI_U8 *pBuf, tANI_U8 *pbLen) |
| { |
| eHalStatus status = eHAL_STATUS_INVALID_PARAMETER; |
| tANI_U32 len; |
| |
| if(pBuf && pbLen && (*pbLen >= WNI_CFG_COUNTRY_CODE_LEN)) |
| { |
| len = *pbLen; |
| status = ccmCfgGetStr(pMac, WNI_CFG_COUNTRY_CODE, pBuf, &len); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| *pbLen = (tANI_U8)len; |
| } |
| } |
| |
| return (status); |
| } |
| |
| |
| void csrSetCfgScanControlList( tpAniSirGlobal pMac, tANI_U8 *countryCode, tCsrChannel *pChannelList ) |
| { |
| tANI_U8 i, j; |
| tANI_BOOLEAN found=FALSE; |
| tANI_U8 *pControlList = NULL; |
| tANI_U32 len = WNI_CFG_SCAN_CONTROL_LIST_LEN; |
| |
| if(HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, (void **)&pControlList, WNI_CFG_SCAN_CONTROL_LIST_LEN))) |
| { |
| palZeroMemory(pMac->hHdd, (void *)pControlList, WNI_CFG_SCAN_CONTROL_LIST_LEN); |
| if(HAL_STATUS_SUCCESS(ccmCfgGetStr(pMac, WNI_CFG_SCAN_CONTROL_LIST, pControlList, &len))) |
| { |
| for (i = 0; i < pChannelList->numChannels; i++) |
| { |
| for (j = 0; j < len; j += 2) |
| { |
| if (pControlList[j] == pChannelList->channelList[i]) |
| { |
| found = TRUE; |
| break; |
| } |
| } |
| |
| if (found) // insert a pair(channel#, flag) |
| { |
| if (CSR_IS_CHANNEL_5GHZ(pControlList[j])) |
| { |
| pControlList[j+1] = csrGetScanType(pMac, pControlList[j]); |
| } |
| else |
| { |
| pControlList[j+1] = eSIR_ACTIVE_SCAN; |
| } |
| |
| found = FALSE; // reset the flag |
| } |
| |
| } |
| |
| ccmCfgSetStr(pMac, WNI_CFG_SCAN_CONTROL_LIST, pControlList, len, NULL, eANI_BOOLEAN_FALSE); |
| }//Successfully getting scan control list |
| palFreeMemory(pMac->hHdd, pControlList); |
| }//AllocateMemory |
| } |
| |
| |
| //if bgPeriod is 0, background scan is disabled. It is in millisecond units |
| eHalStatus csrSetCfgBackgroundScanPeriod(tpAniSirGlobal pMac, tANI_U32 bgPeriod) |
| { |
| return (ccmCfgSetInt(pMac, WNI_CFG_BACKGROUND_SCAN_PERIOD, bgPeriod, (tCcmCfgSetCallback) csrScanCcmCfgSetCallback, eANI_BOOLEAN_FALSE)); |
| } |
| |
| |
| void csrScanCcmCfgSetCallback(tHalHandle hHal, tANI_S32 result) |
| { |
| tListElem *pEntry = NULL; |
| tSmeCmd *pCommand = NULL; |
| tpAniSirGlobal pMac = PMAC_STRUCT( hHal ); |
| |
| pEntry = csrLLPeekHead( &pMac->sme.smeCmdActiveList, LL_ACCESS_LOCK ); |
| if ( pEntry ) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| if ( eSmeCommandScan == pCommand->command ) |
| { |
| eCsrScanStatus scanStatus = (CCM_IS_RESULT_SUCCESS(result)) ? eCSR_SCAN_SUCCESS : eCSR_SCAN_FAILURE; |
| csrReleaseScanCommand(pMac, pCommand, scanStatus); |
| } |
| else |
| { |
| smsLog( pMac, LOGW, "CSR: Scan Completion called but SCAN command is not ACTIVE ...\n" ); |
| } |
| } |
| smeProcessPendingQueue( pMac ); |
| } |
| |
| eHalStatus csrProcessSetBGScanParam(tpAniSirGlobal pMac, tSmeCmd *pCommand) |
| { |
| eHalStatus status; |
| tCsrBGScanRequest *pScanReq = &pCommand->u.scanCmd.u.bgScanRequest; |
| tANI_U32 dataLen = sizeof( tANI_U8 ) * pScanReq->ChannelInfo.numOfChannels; |
| |
| //***setcfg for background scan channel list |
| status = ccmCfgSetInt(pMac, WNI_CFG_ACTIVE_MINIMUM_CHANNEL_TIME, pScanReq->minChnTime, NULL, eANI_BOOLEAN_FALSE); |
| status = ccmCfgSetInt(pMac, WNI_CFG_ACTIVE_MAXIMUM_CHANNEL_TIME, pScanReq->maxChnTime, NULL, eANI_BOOLEAN_FALSE); |
| //Not set the background scan interval if not connected because bd scan should not be run if not connected |
| if(!csrIsAllSessionDisconnected(pMac)) |
| { |
| //If disbaling BG scan here, we need to stop aging as well |
| if(pScanReq->scanInterval == 0) |
| { |
| //Stop aging because no new result is coming in |
| csrScanStopResultAgingTimer(pMac); |
| } |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| { |
| vos_log_scan_pkt_type *pScanLog = NULL; |
| |
| WLAN_VOS_DIAG_LOG_ALLOC(pScanLog, vos_log_scan_pkt_type, LOG_WLAN_SCAN_C); |
| if(pScanLog) |
| { |
| pScanLog->eventId = WLAN_SCAN_EVENT_HO_SCAN_REQ; |
| pScanLog->minChnTime = (v_U8_t)pScanReq->minChnTime; |
| pScanLog->maxChnTime = (v_U8_t)pScanReq->maxChnTime; |
| pScanLog->timeBetweenBgScan = (v_U8_t)pScanReq->scanInterval; |
| pScanLog->numChannel = pScanReq->ChannelInfo.numOfChannels; |
| if(pScanLog->numChannel && (pScanLog->numChannel < VOS_LOG_MAX_NUM_CHANNEL)) |
| { |
| palCopyMemory(pMac->hHdd, pScanLog->channels, pScanReq->ChannelInfo.ChannelList, |
| pScanLog->numChannel); |
| } |
| WLAN_VOS_DIAG_LOG_REPORT(pScanLog); |
| } |
| } |
| #endif //#ifdef FEATURE_WLAN_DIAG_SUPPORT_CSR |
| |
| status = ccmCfgSetInt(pMac, WNI_CFG_BACKGROUND_SCAN_PERIOD, pScanReq->scanInterval, NULL, eANI_BOOLEAN_FALSE); |
| } |
| else |
| { |
| //No need to stop aging because IDLE scan is still running |
| status = ccmCfgSetInt(pMac, WNI_CFG_BACKGROUND_SCAN_PERIOD, 0, NULL, eANI_BOOLEAN_FALSE); |
| } |
| |
| if(pScanReq->SSID.length > WNI_CFG_SSID_LEN) |
| { |
| pScanReq->SSID.length = WNI_CFG_SSID_LEN; |
| } |
| |
| status = ccmCfgSetStr(pMac, WNI_CFG_BG_SCAN_CHANNEL_LIST, pScanReq->ChannelInfo.ChannelList, dataLen, NULL, eANI_BOOLEAN_FALSE); |
| status = ccmCfgSetStr(pMac, WNI_CFG_SSID, (tANI_U8 *)pScanReq->SSID.ssId, pScanReq->SSID.length, NULL, eANI_BOOLEAN_FALSE); |
| |
| |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanAbortMacScan(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirMbMsg *pMsg; |
| tANI_U16 msgLen; |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| |
| #ifdef WLAN_AP_STA_CONCURRENCY |
| csrLLLock(&pMac->scan.scanCmdPendingList); |
| while( NULL != ( pEntry = csrLLRemoveHead( &pMac->scan.scanCmdPendingList, LL_ACCESS_NOLOCK) ) ) |
| { |
| |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| csrAbortCommand( pMac, pCommand, eANI_BOOLEAN_FALSE); |
| } |
| csrLLUnlock(&pMac->scan.scanCmdPendingList); |
| #endif |
| |
| pMac->scan.fDropScanCmd = eANI_BOOLEAN_TRUE; |
| csrRemoveCmdFromPendingList( pMac, &pMac->roam.roamCmdPendingList, eSmeCommandScan); |
| csrRemoveCmdFromPendingList( pMac, &pMac->sme.smeCmdPendingList, eSmeCommandScan); |
| pMac->scan.fDropScanCmd = eANI_BOOLEAN_FALSE; |
| |
| //We need to abort scan only if we are scanning |
| if(NULL != (pEntry = csrLLPeekHead(&pMac->sme.smeCmdActiveList, LL_ACCESS_LOCK))) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| if(eSmeCommandScan == pCommand->command) |
| { |
| msgLen = (tANI_U16)(sizeof( tSirMbMsg )); |
| status = palAllocateMemory(pMac->hHdd, (void **)&pMsg, msgLen); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, (void *)pMsg, msgLen); |
| pMsg->type = pal_cpu_to_be16((tANI_U16)eWNI_SME_SCAN_ABORT_IND); |
| pMsg->msgLen = pal_cpu_to_be16(msgLen); |
| status = palSendMBMessage(pMac->hHdd, pMsg); |
| } |
| } |
| } |
| |
| return( status ); |
| } |
| |
| void csrRemoveCmdFromPendingList(tpAniSirGlobal pMac, tDblLinkList *pList, |
| eSmeCommandType commandType ) |
| { |
| tDblLinkList localList; |
| tListElem *pEntry; |
| tSmeCmd *pCommand; |
| tListElem *pEntryToRemove; |
| |
| vos_mem_zero(&localList, sizeof(tDblLinkList)); |
| if(!HAL_STATUS_SUCCESS(csrLLOpen(pMac->hHdd, &localList))) |
| { |
| smsLog(pMac, LOGE, FL(" failed to open list")); |
| return; |
| } |
| |
| csrLLLock(pList); |
| if( !csrLLIsListEmpty( pList, LL_ACCESS_NOLOCK ) ) |
| { |
| pEntry = csrLLPeekHead( pList, LL_ACCESS_NOLOCK); |
| |
| // Have to make sure we don't loop back to the head of the list, which will |
| // happen if the entry is NOT on the list... |
| while( pEntry ) |
| { |
| pEntryToRemove = pEntry; |
| pEntry = csrLLNext(pList, pEntry, LL_ACCESS_NOLOCK); |
| pCommand = GET_BASE_ADDR( pEntryToRemove, tSmeCmd, Link ); |
| if ( pCommand->command == commandType ) |
| { |
| // Remove that entry only |
| if(csrLLRemoveEntry( pList, pEntryToRemove, LL_ACCESS_NOLOCK)) |
| { |
| csrLLInsertTail(&localList, pEntryToRemove, LL_ACCESS_NOLOCK); |
| } |
| } |
| } |
| |
| |
| } |
| csrLLUnlock(pList); |
| |
| while( (pEntry = csrLLRemoveHead(&localList, LL_ACCESS_NOLOCK)) ) |
| { |
| pCommand = GET_BASE_ADDR( pEntry, tSmeCmd, Link ); |
| csrAbortCommand( pMac, pCommand, eANI_BOOLEAN_FALSE); |
| } |
| csrLLClose(&localList); |
| |
| } |
| |
| |
| eHalStatus csrScanAbortMacScanNotForConnect(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| |
| if( !csrIsScanForRoamCommandActive( pMac ) ) |
| { |
| //Only abort the scan if it is not used for other roam/connect purpose |
| status = csrScanAbortMacScan(pMac); |
| } |
| |
| return (status); |
| } |
| |
| |
| eHalStatus csrScanGetScanChannelInfo(tpAniSirGlobal pMac) |
| { |
| eHalStatus status = eHAL_STATUS_SUCCESS; |
| tSirMbMsg *pMsg; |
| tANI_U16 msgLen; |
| |
| msgLen = (tANI_U16)(sizeof( tSirMbMsg )); |
| status = palAllocateMemory(pMac->hHdd, (void **)&pMsg, msgLen); |
| if(HAL_STATUS_SUCCESS(status)) |
| { |
| palZeroMemory(pMac->hHdd, pMsg, msgLen); |
| pMsg->type = eWNI_SME_GET_SCANNED_CHANNEL_REQ; |
| pMsg->msgLen = msgLen; |
| status = palSendMBMessage(pMac->hHdd, pMsg); |
| } |
| |
| return( status ); |
| } |
| |
| tANI_BOOLEAN csrRoamIsValidChannel( tpAniSirGlobal pMac, tANI_U8 channel ) |
| { |
| tANI_BOOLEAN fValid = FALSE; |
| tANI_U32 idxValidChannels; |
| tANI_U32 len = pMac->roam.numValidChannels; |
| |
| for ( idxValidChannels = 0; ( idxValidChannels < len ); idxValidChannels++ ) |
| { |
| if ( channel == pMac->roam.validChannelList[ idxValidChannels ] ) |
| { |
| fValid = TRUE; |
| break; |
| } |
| } |
| |
| return fValid; |
| } |
| |
| |
| |
| |
| |