| /* |
| * ScanSrvSM.c |
| * |
| * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name Texas Instruments nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** \file ScanSrvSM.c |
| * \brief This file include the scan SRV Sm implementation |
| * \author Ronen Kalish |
| * \date 10-Jan-2005 |
| */ |
| |
| #define __FILE_ID__ FILE_ID_116 |
| #include "ScanSrvSM.h" |
| #include "ScanSrv.h" |
| #include "report.h" |
| #include "timer.h" |
| #include "MacServices_api.h" |
| #include "PowerSrv_API.h" |
| #include "CmdBld.h" |
| |
| |
| /********************************************************************************/ |
| /* Internal functions prototypes. */ |
| /********************************************************************************/ |
| |
| static TI_STATUS scanSRVSM_PsFailWhileScanning( TI_HANDLE hScanSrv ); |
| static TI_STATUS actionNop( TI_HANDLE hScanSrv ); |
| static TI_STATUS actionUnexpected( TI_HANDLE hScanSrv ); |
| |
| |
| /********************************************************************************/ |
| /* Interface functions Implementation. */ |
| /********************************************************************************/ |
| |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Initialize the scan SRV SM. |
| * |
| * Function Scope \e Public.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_init( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t* pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| fsm_actionCell_t smMatrix[ SCAN_SRV_NUM_OF_STATES ][ SCAN_SRV_NUM_OF_EVENTS ] = |
| { |
| /* next state and actions for IDLE state */ |
| { |
| {SCAN_SRV_STATE_PS_WAIT, scanSRVSM_requestPS}, /*"REQUEST_PS",*/ |
| {SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"PS_FAIL",*/ |
| {SCAN_SRV_STATE_SCANNING, scanSRVSM_startActualScan}, /*"PS_SUCCESS", */ |
| {SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"PS_PEND",*/ |
| {SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"STOP_SCAN"*/ |
| {SCAN_SRV_STATE_IDLE, actionNop}, /*"FW_RESET"*/ |
| {SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"TIMER_EXPIRED"*/ |
| {SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"SCAN_COMPLETE"*/ |
| }, |
| |
| |
| /* next state and actions for PS_WAIT state */ |
| { |
| {SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"REQUEST_PS",*/ |
| {SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_FAIL",*/ |
| {SCAN_SRV_STATE_SCANNING, scanSRVSM_startActualScan}, /*"PS_SUCCESS", */ |
| {SCAN_SRV_STATE_PS_WAIT, actionNop}, /*"PS_PEND",*/ |
| {SCAN_SRV_STATE_STOPPING, actionNop}, /*"STOP_SCAN"*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/ |
| {SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"TIMER_EXPIRED"*/ |
| {SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"SCAN_COMPLETE"*/ |
| }, |
| |
| /* next state and actions for SCANNING state */ |
| { |
| {SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"REQUEST_PS",*/ |
| {SCAN_SRV_STATE_SCANNING, scanSRVSM_PsFailWhileScanning}, /*"PS_FAIL",*/ |
| {SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"PS_SUCCESS", */ |
| {SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"PS_PEND",*/ |
| {SCAN_SRV_STATE_STOPPING, actionNop }, /*"STOP_SCAN"*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/ |
| {SCAN_SRV_STATE_SCANNING, scanSRVSM_handleTimerExpiry}, /*"TIMER_EXPIRED"*/ |
| {SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"SCAN_COMPLETE"*/ |
| |
| }, |
| |
| /* next state and actions for STOPPING state */ |
| { |
| {SCAN_SRV_STATE_STOPPING, actionUnexpected}, /*"REQUEST_PS",*/ |
| {SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_FAIL",*/ |
| {SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_SUCCESS", */ |
| {SCAN_SRV_STATE_STOPPING, actionUnexpected}, /*"PS_PEND",*/ |
| {SCAN_SRV_STATE_STOPPING, actionNop }, /*"STOP_SCAN"*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/ |
| {SCAN_SRV_STATE_STOPPING, scanSRVSM_handleTimerExpiry}, /*"TIMER_EXPIRED"*/ |
| {SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS} /*"SCAN_COMPLETE"*/ |
| |
| } , |
| |
| /* next state and actions for PS_EXIT state */ |
| { |
| {SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"REQUEST_PS",*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_notifyScanComplete}, /*"PS_FAIL",*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_notifyScanComplete}, /*"PS_SUCCESS", */ |
| {SCAN_SRV_STATE_PS_EXIT, actionNop}, /*"PS_PEND",*/ |
| {SCAN_SRV_STATE_PS_EXIT, actionNop}, /*"STOP_SCAN"*/ |
| {SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/ |
| {SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"TIMER_EXPIRED"*/ |
| {SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"SCAN_COMPLETE"*/ |
| } |
| }; |
| |
| /* initialize current state */ |
| pScanSRV->SMState = SCAN_SRV_STATE_IDLE; |
| |
| /* configure the state machine */ |
| return fsm_Config( pScanSRV->SM, (fsm_Matrix_t)smMatrix, |
| (TI_UINT8)SCAN_SRV_NUM_OF_STATES, (TI_UINT8)SCAN_SRV_NUM_OF_EVENTS, |
| (fsm_eventActivation_t)scanSRVSM_SMEvent, pScanSRV->hOS ); |
| } |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Processes an event. |
| * |
| * Function Scope \e Public.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \param currentState - the current scan SRV SM state.\n |
| * \param event - the event to handle.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_SMEvent( TI_HANDLE hScanSrv, scan_SRVSMStates_e* currentState, |
| scan_SRVSMEvents_e event ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t *)hScanSrv; |
| TI_STATUS status = TI_OK; |
| TI_UINT8 nextState; |
| |
| /* obtain the next state */ |
| status = fsm_GetNextState( pScanSRV->SM, *(TI_UINT8*)currentState, (TI_UINT8)event, &nextState ); |
| if ( status != TI_OK ) |
| { |
| TRACE2(pScanSRV->hReport, REPORT_SEVERITY_ERROR, "Failed getting scan SRV next state. state = %d event = %d\n", (TI_UINT8)*currentState,(TI_UINT8)event); |
| return TI_NOK; |
| } |
| |
| TRACE3(pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_SMEvent: <currentState = %d, event = %d> --> nextState = %d\n", *currentState, event, nextState); |
| |
| /* move */ |
| return fsm_Event( pScanSRV->SM, (TI_UINT8*)currentState, (TI_UINT8)event, hScanSrv ); |
| } |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Request to enter driver mode from the power manager module.\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_requestPS( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| TI_STATUS psStatus; |
| |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Requesting Driver mode from PowerSave Srv.\n"); |
| |
| psStatus = powerSrv_ReservePS( pScanSRV->hPowerSrv, |
| pScanSRV->psRequest, |
| pScanSRV->bSendNullData, |
| hScanSrv, |
| MacServices_scanSRV_powerSaveCB); |
| |
| switch (psStatus) |
| { |
| /* if successful */ |
| case POWER_SAVE_802_11_IS_CURRENT: |
| /* send a PS_SUCCESS event */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode successful, continuing to scan.\n"); |
| return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS ); |
| |
| /* if pending */ |
| case POWER_SAVE_802_11_PENDING: |
| case TI_OK: |
| /* send a PS_PEND event */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode pending, Waiting.\n"); |
| return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_PEND ); |
| |
| /* if not successful */ |
| default: |
| |
| /* mark not to exit from driver mode (no entry was performed) */ |
| pScanSRV->bExitFromDriverMode = TI_FALSE; |
| |
| /* if still wishing to scan */ |
| if ( pScanSRV->bScanOnDriverModeFailure ) |
| { |
| /* send a PS_SUCCESS event - scan will proceed regardless of the error */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode failed, continuing to scan.\n"); |
| scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS ); |
| } |
| /* otherwise, return */ |
| else |
| { |
| /* mark the return code */ |
| pScanSRV->returnStatus = TI_NOK; |
| /* send a PS_FAIL event */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode failed, aborting scan.\n"); |
| scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_FAIL ); |
| } |
| break; |
| } |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \author Yuval Adler\n |
| * \date 6-Oct-2005\n |
| * \brief Request to release PS mode from the PowerSRV , and wait for answer.\n\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| |
| TI_STATUS scanSRVSM_releasePS( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| TI_STATUS psStatus; |
| |
| /* stop timer */ |
| if ( TI_TRUE == pScanSRV->bTimerRunning ) |
| { |
| tmr_StopTimer (pScanSRV->hScanSrvTimer); |
| pScanSRV->bTimerRunning = TI_FALSE; |
| } |
| |
| /* if exit from driver mode requested, do so */ |
| if ( TI_TRUE == pScanSRV->bExitFromDriverMode ) |
| { |
| /* here we need to get an answer if we succeeded to exit driver mode */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Releasing Driver mode from Power Srv.\n"); |
| |
| psStatus = powerSrv_ReleasePS( pScanSRV->hPowerSrv, |
| pScanSRV->bSendNullData, |
| hScanSrv, |
| MacServices_scanSRV_powerSaveCB); |
| |
| |
| } |
| else /* no need to exit PS - send PS_SUCCESS */ |
| { |
| return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS ); |
| } |
| |
| |
| switch (psStatus) |
| { |
| /* if successful */ |
| case POWER_SAVE_802_11_IS_CURRENT: |
| /* send a PS_SUCCESS event */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit successful, scan done.\n"); |
| return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS ); |
| |
| /* if pending */ |
| case POWER_SAVE_802_11_PENDING: |
| case TI_OK: |
| /* stay in the PS_EXIT state */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit pending, Waiting.\n"); |
| break; |
| |
| /* if not successful */ |
| default: |
| |
| /* send a PS_FAIL event */ |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit failed, scan done."); |
| return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_FAIL ); |
| |
| } |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Send the scan command to the firmware.\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_startActualScan( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| |
| /* start the timer */ |
| pScanSRV->bTimerRunning = TI_TRUE; |
| tmr_StartTimer (pScanSRV->hScanSrvTimer, |
| MacServices_scanSRV_scanTimerExpired, |
| (TI_HANDLE)pScanSRV, |
| MacServices_scanSRVcalculateScanTimeout (hScanSrv, pScanSRV->scanParams, !pScanSRV->bDtimOverlapping), |
| TI_FALSE); |
| |
| TRACE1( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Sending scan , type: %x to HAL.\n",pScanSRV->scanParams->scanType); |
| |
| /* start the scan */ |
| /* we send the MacServices_scanSRVCommandMailBoxCB to be called when this command is recieved */ |
| if ( SCAN_TYPE_SPS == pScanSRV->scanParams->scanType ) |
| { |
| pScanSRV->returnStatus = cmdBld_CmdStartSPSScan (pScanSRV->hCmdBld, pScanSRV->scanParams, pScanSRV->eScanTag, |
| (void *)MacServices_scanSRVCommandMailBoxCB, hScanSrv); |
| } |
| else |
| { |
| pScanSRV->returnStatus = cmdBld_CmdStartScan (pScanSRV->hCmdBld, pScanSRV->scanParams, pScanSRV->eScanTag, |
| pScanSRV->bHighPriority , (void *)MacServices_scanSRVCommandMailBoxCB, |
| hScanSrv); |
| } |
| /* if scan request failed */ |
| if ( TI_OK != pScanSRV->returnStatus ) |
| { |
| TRACE1( pScanSRV->hReport, REPORT_SEVERITY_ERROR, "HAL returned code %d for scan request, quitting scan.\n", pScanSRV->returnStatus); |
| |
| /* send a scan complete event. This will do all necessary clean-up (timer, power manager, notifying scan complete) */ |
| scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_SCAN_COMPLETE ); |
| } |
| |
| return TI_OK; |
| } |
| |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Notifies scan complete to upper layer.\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_notifyScanComplete( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| TCmdResponseCb CB_Func; |
| TI_HANDLE CB_Handle; |
| TI_STATUS PSMode; |
| |
| /* call the scan complete CB - only if not currently running from within a request context! */ |
| if ( TI_FALSE == pScanSRV->bInRequest ) |
| { |
| /* this means that ResponseFunc was not called yet , so we call it before ScanComplete */ |
| if (pScanSRV->commandResponseFunc) |
| { |
| /* must erase CB function before calling it to enable nested scans */ |
| CB_Func = pScanSRV->commandResponseFunc; |
| CB_Handle = pScanSRV->commandResponseObj; |
| |
| pScanSRV->commandResponseFunc = NULL; |
| pScanSRV->commandResponseObj = NULL; |
| |
| /* if we reached here than response status was TI_OK */ |
| CB_Func(CB_Handle, TI_OK); |
| |
| } |
| /* if function returns TI_TRUE than we are in PS mode , else - not */ |
| PSMode = powerSrv_getPsStatus(pScanSRV->hPowerSrv) ? POWER_SAVE_802_11_SUCCESS : POWER_SAVE_802_11_FAIL; |
| |
| TRACE2( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_notifyScanComplete status = 0x%x PSMode = 0x%x\n",pScanSRV->returnStatus,PSMode); |
| |
| |
| TRACE0(pScanSRV->hReport, REPORT_SEVERITY_INFORMATION , "scanSRVSM_notifyScanComplete: call TWD_OWN_EVENT_SCAN_CMPLT CB. In std MacServices_scanSRV_scanCompleteCB()\n"); |
| |
| pScanSRV->scanCompleteNotificationFunc( pScanSRV->scanCompleteNotificationObj, |
| pScanSRV->eScanTag, |
| pScanSRV->uResultCount, |
| pScanSRV->SPSScanResult, |
| pScanSRV->bTSFError, |
| pScanSRV->returnStatus, |
| PSMode ); |
| } |
| |
| return TI_OK; |
| } |
| |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Handles a timer expiry event - starts a recovery process. |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_handleTimerExpiry( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| /* |
| * No scan complete bug workaround: |
| * Only after a consecutive configurable number of no scan complete events the recovery trigger |
| * will be issued. This is done as a workaround for a bug in the FW where if a channel is too |
| * loaded it wouldn't be able to send a probe request and will get stuck waiting for this channel |
| */ |
| |
| pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents++; |
| |
| if ( pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents >= |
| pScanSRV->numberOfNoScanCompleteToRecovery ) |
| { |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_ERROR, ": Timer expired. Starting recovery process.\n"); |
| |
| pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents = 0; |
| |
| /* mark the return status */ |
| pScanSRV->returnStatus = TI_NOK; |
| |
| /* mark that the timer is no longer running */ |
| pScanSRV->bTimerRunning = TI_FALSE; |
| |
| /* call the recovery module */ |
| pScanSRV->failureEventFunc(pScanSRV->failureEventObj ,NO_SCAN_COMPLETE_FAILURE); |
| } |
| else |
| { |
| TRACE2( pScanSRV->hReport, REPORT_SEVERITY_ERROR, ": Timer expired. consecutive failures:%d, threshold:%d, still not calling recovery.\n", pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents, pScanSRV->numberOfNoScanCompleteToRecovery); |
| |
| /* send a top scan command, which can help solving the FW bug described above */ |
| if ( TI_FALSE == pScanSRV->bSPSScan ) |
| { |
| cmdBld_CmdStopScan (pScanSRV->hCmdBld, pScanSRV->eScanTag, NULL, NULL); |
| } |
| else |
| { |
| cmdBld_CmdStopSPSScan (pScanSRV->hCmdBld, pScanSRV->eScanTag, NULL, NULL); |
| } |
| |
| /* imitate a scan complete event to the SM */ |
| pScanSRV->bTSFError = TI_FALSE; |
| pScanSRV->SPSScanResult = 0xffff; |
| scanSRVSM_SMEvent( (TI_HANDLE)pScanSRV, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_SCAN_COMPLETE ); |
| } |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \author Shirit Brook\n |
| * \date 10-Jan-2005\n |
| * \brief Handles PS Fail event while in Scanning - Indicate not to Exit PS. |
| * This event can be reached when Roaming is invoked while in Scanning state. |
| * The PM Module is stopped and generates PS Fail to all its clients. |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| static TI_STATUS scanSRVSM_PsFailWhileScanning( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_PsFailWhileScanning. Indicate not to Enter PS.\n"); |
| |
| pScanSRV->bExitFromDriverMode = TI_FALSE; |
| |
| return TI_OK; |
| } |
| |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 17-Jan-2005\n |
| * \brief Handles a FW reset event (one that was detected outside the scan SRV) by stopping the timer. |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return TI_OK if successful, TI_NOK otherwise.\n |
| */ |
| TI_STATUS scanSRVSM_handleRecovery( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "FW reset event from outside.\n"); |
| |
| /* The Power Manager is responsible to exit PS mode in recovery. Also, the scan CB is not called - |
| The SCR is responsible to notify scan concentrator of the event (which actually notifies scan SRV */ |
| |
| /* if timer is running - stop it */ |
| if ( TI_TRUE == pScanSRV->bTimerRunning ) |
| { |
| tmr_StopTimer (pScanSRV->hScanSrvTimer); |
| pScanSRV->bTimerRunning = TI_FALSE; |
| } |
| else |
| { |
| /* shouldn't happen - only called if timer is supposedly running */ |
| TRACE1( pScanSRV->hReport, REPORT_SEVERITY_WARNING, "SM: External FW reset in state %d and timer is not running?", pScanSRV->SMState); |
| } |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 11-Jan-2005\n |
| * \brief Handles an unexpected event.\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return always TI_OK.\n |
| */ |
| static TI_STATUS actionUnexpected( TI_HANDLE hScanSrv ) |
| { |
| scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv; |
| |
| TRACE1( pScanSRV->hReport, REPORT_SEVERITY_ERROR, "Scan SRV state machine error, unexpected Event, state=%d\n\n", pScanSRV->SMState); |
| |
| if ( pScanSRV->bTimerRunning ) |
| { |
| tmr_StopTimer (pScanSRV->hScanSrvTimer); |
| pScanSRV->bTimerRunning = TI_FALSE; |
| } |
| |
| /* we must clean the old command response CB since they are no longer relevant |
| since the state machine may be corrupted */ |
| pScanSRV->commandResponseFunc = NULL; |
| pScanSRV->commandResponseObj = NULL; |
| |
| /* indicate the unexpected event in the return status */ |
| pScanSRV->returnStatus = TI_NOK; |
| |
| return TI_OK; |
| } |
| |
| /** |
| * \author Ronen Kalish\n |
| * \date 10-Jan-2005\n |
| * \brief Handles an event that doesn't require any action.\n |
| * |
| * Function Scope \e Private.\n |
| * \param hScanSrv - handle to the scan SRV object.\n |
| * \return always TI_OK.\n |
| */ |
| static TI_STATUS actionNop( TI_HANDLE hScanSrv ) |
| { |
| return TI_OK; |
| } |
| |
| |
