/*
* ScanSrv.h
*
* 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 ScanSrv.h
* \brief This file include private definitions for the scan SRV module.
*
* \see ScanSrv.c, ScanSrvSM.c, ScanSrvSM.h
*/
#ifndef __SCANSRV_H__
#define __SCANSRV_H__
#include "TWDriverInternal.h"
#include "MacServices_api.h"
#include "fsm.h"
#include "ScanSrvSM.h"
/*
***********************************************************************
* Constant definitions.
***********************************************************************
*/
/* guard time for scan (added to calculated scan duration) */
#define SCAN_SRV_FW_GUARD_TIME_MS 2000
/* module name for driver mode requests */
#define SCAN_SRV_NAME "SSRV"
/*
***********************************************************************
* Enums.
***********************************************************************
*/
/*
***********************************************************************
* Typedefs.
***********************************************************************
*/
/*
***********************************************************************
* Structure definitions.
***********************************************************************
*/
/** \struct scanSRV_t
* \brief This structure contains the scan SRV object data
*/
typedef struct
{
TI_HANDLE hOS; /**< OS object handle */
TI_HANDLE hReport; /**< report object handle */
TI_HANDLE hPowerSrv; /**< power Server object handle */
TI_HANDLE hTWD; /**< TWD layer handle */
TI_HANDLE hTimer; /**< Timer module object handle */
TI_HANDLE hEventMbox; /**< EventMbox module object handle */
TI_HANDLE hCmdBld; /**< Command builder object handle */
TScanSrvCompleteCb scanCompleteNotificationFunc; /**<
* upper layer (scan concentrator) scan complete
* callback function
*/
TI_HANDLE scanCompleteNotificationObj; /**<
* upper layer (scan concentrator) scan complete
* callback function
*/
TCmdResponseCb commandResponseFunc; /**<
* upper layer command response CB. Passed down into the HAL
* and called when the scan command has been received by the FW
*/
TI_HANDLE commandResponseObj; /**<
* object parameter passed to the commandResposeFunc by the HAL
* when it is called
*/
TFailureEventCb failureEventFunc; /**<
* upper layer Failure Event CB.
* called when the scan command has been Timer Expiry
*/
TI_HANDLE failureEventObj; /**<
* object parameter passed to the failureEventFunc
* when it is called
*/
TI_UINT16 SPSScanResult; /**<
* bitmap indicating which channels were scanned
* in an SPS scan
*/
TI_BOOL bTSFError; /** indicates whether a TSF error occured */ /**<
* scan result: indicates a TSF error event and
* which channels were scanned in SPS
*/
TI_BOOL bDtimOverlapping; /**< Indicates whether the scan is overlapping DTIM */
TI_BOOL bExitFromDriverMode; /**<
* Indicates whether to exit driver mode once scan
* is finished
*/
TI_BOOL bSendNullData; /**<
* Indicates whether to send Null data when exiting driver
* mode once scan is finished
*/
TI_BOOL bScanOnDriverModeFailure; /**<
* Indicates whether to scan if driver mode entry
* wasn't successful
*/
TI_BOOL bHighPriority; /**<
* Indicates whether to request high priority
* (overlapping DTIM) scan
*/
TI_BOOL bSPSScan; /**<
* whether the running scan type is SPS (TI_TRUE)
* or something else (TI_FALSE). Used to stop a
* running scan.
*/
TScanParams* scanParams; /**< scan parameters */
EScanResultTag eScanTag; /**< scan result tag */
TI_UINT32 uResultCount; /**< number of scan results (received from the FW) */
TI_HANDLE hScanSrvTimer; /**< scan operation timer */
TI_BOOL bTimerRunning; /**< whether the above timer is running */
TI_BOOL bInRequest; /**<
* Indicates whether the SM is run within
* the scan request context (if so, to avoid
* re-entrance, the complete function shouldn't
* be called on failure, but rather an invalid
* status should be returned)
*/
TI_STATUS returnStatus; /**<
* Holds the return code to the upper layer
* Used to save errors during SM operation.
*/
/* state machine */
fsm_stateMachine_t* SM; /**<
* state machines for different
* scan types
*/
scan_SRVSMStates_e SMState; /**<
* state machine current states
* for different scan types
*/
E80211PsMode psRequest; /**<
* Indicates if PS was requested or not
* for current scan
*/
TI_UINT32 numberOfNoScanCompleteToRecovery;
/**<
* The number of consecutive no scan complete
* that will trigger a recovery notification
*/
TI_UINT32 currentNumberOfConsecutiveNoScanCompleteEvents;
/**<
* The number of consecutivre no scan complete
* events at present
*/
TI_BOOL bNoScanCompleteFlag; /**<
* Indicates if the last event was start scan
* (true) or no scan complete (false) to be able
* to nullify correctly the above counter */
TI_UINT32 uTriggeredScanTimeOut; /**<
* Time out for starting triggered scan between
* 2 channels */
TI_UINT8 uDtimPeriod;
TI_UINT16 uBeaconInterval;
} scanSRV_t;
/*
***********************************************************************
* External data definitions.
***********************************************************************
*/
/*
***********************************************************************
* External functions definitions
***********************************************************************
*/
/**
* \author Yuval Adler\n
* \date 16-Oct-2004\n
* \brief Creates the scan SRV object
*
* Function Scope \e Public.\n
* \param hOS - handle to the OS object.\n
* \return a handle to the scan SRV object, NULL if an error occurred.\n
*/
TI_HANDLE MacServices_scanSRV_create( TI_HANDLE hOS );
/**
* \author Yuval Adler\n
* \date 29-Dec-2004\n
* \brief Finalizes the scan SRV module (releasing memory and timer)
*
* Function Scope \e Public.\n
* \param hScanSRV - handle to the scan SRV object.\n
*/
void MacServices_scanSRV_destroy( TI_HANDLE hScanSRV );
/**
* \author Yuval Adler\n
* \date 29-Dec-2004\n
* \brief Initializes the scan SRV module, registers SCAN_COMPLETE to HAL.
*
* Function Scope \e Public.\n
* \param hScanSRV - handle to the scan SRV object.\n
* \param Handles of other modules.\n
*/
TI_STATUS MacServices_scanSRV_init (TI_HANDLE hMacServices,
TI_HANDLE hReport,
TI_HANDLE hTWD,
TI_HANDLE hTimer,
TI_HANDLE hEventMbox,
TI_HANDLE hCmdBld);
/**
* \author Ronen Kalish\n
* \date 26-July-2006\n
* \brief Configures the scan SRV module with initialization values
*
* Function Scope \e Public.\n
* \param hScanSRV - handle to the scan SRV object.\n
* \param hReport - handle to the report object.\n
* \param hHalCtrl - handle to the HAL ctrl object.\n
*/
void MacServices_scanSrv_config( TI_HANDLE hMacServices, TScanSrvInitParams* pInitParams );
/**
* \author Ronen Kalish\n
* \date 29-Dec-2004\n
* \brief Calculates the maximal time required for a scan operation
*
* Function Scope \e Public.\n
* \param hScanSRV - handle to the scan SRV object.\n
* \param scanParams - the scan parameters
* \param bConsiderDTIM - whether this scan overlaps DTIM
* \return the time (in milliseconds)
*/
TI_UINT32 MacServices_scanSRVcalculateScanTimeout( TI_HANDLE hScanSrv, TScanParams* scanParams, TI_BOOL bConsiderDTIM );
/**
* \author Ronen Kalish\n
* \date 16-Jan-2005\n
* \brief Convert time units (1024 usecs) to millisecs
*
* Function Scope \e Private.\n
* \param tu - the time in time units
* \return the time in milliseconds
*/
TI_UINT32 MacServices_scanSRVConvertTUToMsec( TI_UINT32 tu );
/**
* \author Yuval Adler\n
* \date 27-Sep-2005\n
* \brief This function is the CB which is called as response to 'StartScan' or 'StopScan' \n.
* here we check if there is a GWSI command response , and call it if necessary .\n
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \param MboxStatus - mailbox status. \n
*/
void MacServices_scanSRVCommandMailBoxCB(TI_HANDLE hScanSrv,TI_UINT16 MboxStatus);
/**
* \brief Registers a failure event callback for scan error notifications.
*
* Function Scope \e Public.\n
* \param hMacServices - handle to the MacServices object.\n
* \param failureEventCB - the failure event callback function.\n
* \param hFailureEventObj - handle to the object passed to the failure event callback function.\n
*/
void scanSRV_registerFailureEventCB( TI_HANDLE hScanSRV,
void * failureEventCB, TI_HANDLE hFailureEventObj );
void scanSRV_restart( TI_HANDLE hScanSRV);
#endif /* __SCANSRV_H__ */