/*
 * Copyright (c) 2012, Code Aurora Forum. 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.
 */

/*
 * Airgo Networks, Inc proprietary. All rights reserved.
 *
 * Author:      Sandesh Goel
 * Date:        02/25/02
 * History:-
 * Date            Modified by    Modification Information
 * --------------------------------------------------------------------
 *
 */

#ifndef __SCH_GLOBAL_H__
#define __SCH_GLOBAL_H__

#include "sirMacPropExts.h"
#include "limGlobal.h"

#include "parserApi.h"


#define ANI_SCH_ADAPTIVE_THRESHOLD_TH_CD    0x00000001
#define ANI_SCH_ADAPTIVE_THRESHOLD_TH_D0    0x00000002

#define ANI_SCH_ADAPTIVE_THRESHOLD_ALL      (ANI_SCH_ADAPTIVE_THRESHOLD_TH_CD | ANI_SCH_ADAPTIVE_THRESHOLD_TH_D0)

#define ANI_SCH_ADAPTIVE_ALGO_BAND_2GHZ     0x00000001
#define ANI_SCH_ADAPTIVE_ALGO_BAND_5GHZ     0x00000002

#define ANI_SCH_ADAPTIVE_ALGO_BAND_ALL      (ANI_SCH_ADAPTIVE_ALGO_BAND_2GHZ | ANI_SCH_ADAPTIVE_ALGO_BAND_5GHZ)


// Diagnostic bitmap defines

#define SCH_DIAG_RR_TIMEOUT_DELETE    0x1
#define SCH_DIAG_RR_LOWER_RATE        0x2

#define TIM_IE_SIZE 0x6

// ----------------------- Beacon processing ------------------------

/// Beacon structure
#define tSchBeaconStruct tSirProbeRespBeacon
#define tpSchBeaconStruct struct sSirProbeRespBeacon *

// -------------------------------------------------------------------

//****************** MISC defs *********************************

/// Maximum allowable size of a beacon frame
#if (WNI_POLARIS_FW_PRODUCT == AP)
#define SCH_MAX_BEACON_SIZE    2048
#else
#define SCH_MAX_BEACON_SIZE    512
#endif

#define SCH_MAX_PROBE_RESP_SIZE 512

struct schMisc {

    tANI_U8 *gSchProbeRspTemplate;

    /// Beginning portion of the beacon frame to be written to TFP
    tANI_U8 *gSchBeaconFrameBegin;

    /// Trailing portion of the beacon frame to be written to TFP
    tANI_U8 *gSchBeaconFrameEnd;
    
    /// Size of the beginning portion
    tANI_U16 gSchBeaconOffsetBegin;
    /// Size of the trailing portion
    tANI_U16 gSchBeaconOffsetEnd;

    tANI_U16 gSchBeaconInterval;

    /// Current CFP count
    tANI_U8 gSchCFPCount;

    /// CFP Duration remaining
    tANI_U8 gSchCFPDurRemaining;

    /// CFP Maximum Duration
    tANI_U8 gSchCFPMaxDuration;

    /// Current DTIM count
    tANI_U8 gSchDTIMCount;

    /// Whether we have initiated a CFP or not
    tANI_U8 gSchCFPInitiated;

    /// Whether we have initiated a CFB or not
    tANI_U8 gSchCFBInitiated;

    /// CFP is enabled and AP is configured as HCF
    tANI_U8 gSchCFPEnabled;

    /// CFB is enabled and AP is configured as HCF
    tANI_U8 gSchCFBEnabled;

    // --------- STA ONLY state -----------

    /// Indicates whether RR timer is running or not
    tANI_U8  rrTimer[8];

    /// Indicates the remaining RR timeout value if the RR timer is running
    tANI_U16  rrTimeout[8];

    /// Number of RRs transmitted
    tANI_U16  numRR[8];
    tANI_U16  numRRtimeouts[8];

    /// flag to indicate that beacon template has been updated
    tANI_U8   fBeaconChanged;

#if defined(WLAN_SOFTAP_FEATURE) && defined(WLAN_FEATURE_P2P) 
    tANI_U16 p2pIeOffset;
#endif

};

//****************** MISC defs *********************************

typedef struct schStaWaitList
{
    tANI_U16 staId;
    tANI_U16 count;
} tStaWaitList, *tpStaWaitList;


/// Global SCH structure
typedef struct sAniSirSch
{
    /// The scheduler object
    struct  schMisc schObject;

    // schQoSClass unsolicited;

    /// Whether HCF is enabled or not
    tANI_U8 gSchHcfEnabled;

    /// Whether scan is requested by LIM or not
    tANI_U8 gSchScanRequested;

    /// Whether scan request is received by SCH or not
    tANI_U8 gSchScanReqRcvd;

#if (WNI_POLARIS_FW_PRODUCT == AP)
    tANI_U8 gSchRRRecd;
#endif

    /// Debug flag to disable beacon generation
    tANI_U32 gSchGenBeacon;

#define SCH_MAX_ARR 100
    tANI_U32 gSchBeaconsWritten;
    tANI_U32 gSchBeaconsSent;
    tANI_U32 gSchBBXportRcvCnt;
    tANI_U32 gSchRRRcvCnt, qosNullCnt;
    tANI_U32 gSchBcnRcvCnt;
    tANI_U32 gSchUnknownRcvCnt;

    tANI_U32 gSchBcnParseErrorCnt;
    tANI_U32 gSchBcnIgnored;

    // tTmpInstBuffer TIB;
    // tANI_U16 gSchQuantum[8];

    tANI_U32 numPoll, numData, numCorrupt;
    tANI_U32 numBogusInt, numTxAct0;

#define SCH_MAX_NUM_SCH 21
    // tANI_U32 numSchHist[SCH_MAX_NUM_SCH];
    // tANI_U32 defaultTxop;

    tANI_U32 lastBeaconLength;
    tANI_U16 rrTimeout;
    tANI_U32 pollPeriod;
    tANI_U32 keepAlive;
    tANI_U32 multipleSched;
    tANI_U32 pollFeedbackHist[8];
    tANI_U32 dataFeedbackHist[8];
    tANI_U32 maxPollTimeouts;
    tANI_U32 checkCfbFlagStuck;

    /// Sta Wait list
    tpStaWaitList pStaWaitList;

    /// Pointer to next available entry in sta wait list
    tANI_U16 staWaitListIn;
    /// Pointer to first waiting sta in sta wait list
    tANI_U16 staWaitListOut;
    /// Total number of waiting STAs in sta wait list
    tANI_U16 staWaitListCount;
    /// Total number of schedules to be waited
    tANI_U16 staWaitListTotalWait;

    /// Number of entries in DPH activity queue that were ignored
    tANI_U32 ignoreDph;

} tAniSirSch, *tpAniSirSch;


#endif