/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * File: mib.c
 *
 * Purpose: Implement MIB Data Structure
 *
 * Author: Tevin Chen
 *
 * Date: May 21, 1996
 *
 * Functions:
 *      STAvClearAllCounter - Clear All MIB Counter
 *      STAvUpdateIstStatCounter - Update ISR statistic counter
 *      STAvUpdateRDStatCounter - Update Rx statistic counter
 *      STAvUpdateRDStatCounterEx - Update Rx statistic counter and copy rcv data
 *      STAvUpdateTDStatCounter - Update Tx statistic counter
 *      STAvUpdateTDStatCounterEx - Update Tx statistic counter and copy tx data
 *      STAvUpdate802_11Counter - Update 802.11 mib counter
 *
 * Revision History:
 *
 */

#include "mac.h"
#include "tether.h"
#include "mib.h"
#include "wctl.h"
#include "baseband.h"

/*---------------------  Static Definitions -------------------------*/
static int          msglevel                =MSG_LEVEL_INFO;
/*---------------------  Static Classes  ----------------------------*/

/*---------------------  Static Variables  --------------------------*/

/*---------------------  Static Functions  --------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/


/*
 * Description: Clear All Statistic Counter
 *
 * Parameters:
 *  In:
 *      pStatistic  - Pointer to Statistic Counter Data Structure
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void STAvClearAllCounter (PSStatCounter pStatistic)
{
    // set memory to zero
	memset(pStatistic, 0, sizeof(SStatCounter));
}


/*
 * Description: Update Isr Statistic Counter
 *
 * Parameters:
 *  In:
 *      pStatistic  - Pointer to Statistic Counter Data Structure
 *      wisr        - Interrupt status
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void STAvUpdateIsrStatCounter (PSStatCounter pStatistic, BYTE byIsr0, BYTE byIsr1)
{
    /**********************/
    /* ABNORMAL interrupt */
    /**********************/
    // not any IMR bit invoke irq
    if (byIsr0 == 0) {
        pStatistic->ISRStat.dwIsrUnknown++;
        return;
    }


    if (byIsr0 & ISR_ACTX)              // ISR, bit0
        pStatistic->ISRStat.dwIsrTx0OK++;           // TXDMA0 successful

    if (byIsr0 & ISR_BNTX)              // ISR, bit2
        pStatistic->ISRStat.dwIsrBeaconTxOK++;      // BeaconTx successful

    if (byIsr0 & ISR_RXDMA0)            // ISR, bit3
        pStatistic->ISRStat.dwIsrRx0OK++;           // Rx0 successful

    if (byIsr0 & ISR_TBTT)              // ISR, bit4
        pStatistic->ISRStat.dwIsrTBTTInt++;         // TBTT successful

    if (byIsr0 & ISR_SOFTTIMER)         // ISR, bit6
        pStatistic->ISRStat.dwIsrSTIMERInt++;

    if (byIsr0 & ISR_WATCHDOG)          // ISR, bit7
        pStatistic->ISRStat.dwIsrWatchDog++;


    if (byIsr1 & ISR_FETALERR)              // ISR, bit8
        pStatistic->ISRStat.dwIsrUnrecoverableError++;

    if (byIsr1 & ISR_SOFTINT)               // ISR, bit9
        pStatistic->ISRStat.dwIsrSoftInterrupt++;       // software interrupt

    if (byIsr1 & ISR_MIBNEARFULL)           // ISR, bit10
        pStatistic->ISRStat.dwIsrMIBNearfull++;

    if (byIsr1 & ISR_RXNOBUF)               // ISR, bit11
        pStatistic->ISRStat.dwIsrRxNoBuf++;             // Rx No Buff

}


/*
 * Description: Update Rx Statistic Counter
 *
 * Parameters:
 *  In:
 *      pStatistic      - Pointer to Statistic Counter Data Structure
 *      byRSR           - Rx Status
 *      byNewRSR        - Rx Status
 *      pbyBuffer       - Rx Buffer
 *      cbFrameLength   - Rx Length
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void STAvUpdateRDStatCounter(PSStatCounter pStatistic,
			     BYTE byRSR, BYTE byNewRSR,
			     BYTE byRxSts, BYTE byRxRate,
			     PBYTE pbyBuffer, unsigned int cbFrameLength)
{
	/* need change */
	PS802_11Header pHeader = (PS802_11Header)pbyBuffer;

	if (byRSR & RSR_ADDROK)
		pStatistic->dwRsrADDROk++;
	if (byRSR & RSR_CRCOK) {
		pStatistic->dwRsrCRCOk++;
		pStatistic->ullRsrOK++;

		if (cbFrameLength >= ETH_ALEN) {
			/* update counters in case of successful transmission */
            if (byRSR & RSR_ADDRBROAD) {
                pStatistic->ullRxBroadcastFrames++;
		pStatistic->ullRxBroadcastBytes +=
		  (unsigned long long) cbFrameLength;
            }
            else if (byRSR & RSR_ADDRMULTI) {
                pStatistic->ullRxMulticastFrames++;
		pStatistic->ullRxMulticastBytes +=
		  (unsigned long long) cbFrameLength;
            }
            else {
                pStatistic->ullRxDirectedFrames++;
		pStatistic->ullRxDirectedBytes +=
		  (unsigned long long) cbFrameLength;
            }
        }
    }

    if(byRxRate==22) {
        pStatistic->CustomStat.ullRsr11M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr11MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "11M: ALL[%d], OK[%d]:[%02x]\n",
		(signed int) pStatistic->CustomStat.ullRsr11M,
		(signed int) pStatistic->CustomStat.ullRsr11MCRCOk, byRSR);
    }
    else if(byRxRate==11) {
        pStatistic->CustomStat.ullRsr5M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr5MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 5M: ALL[%d], OK[%d]:[%02x]\n",
		(signed int) pStatistic->CustomStat.ullRsr5M,
		(signed int) pStatistic->CustomStat.ullRsr5MCRCOk, byRSR);
    }
    else if(byRxRate==4) {
        pStatistic->CustomStat.ullRsr2M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr2MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 2M: ALL[%d], OK[%d]:[%02x]\n",
		(signed int) pStatistic->CustomStat.ullRsr2M,
		(signed int) pStatistic->CustomStat.ullRsr2MCRCOk, byRSR);
    }
    else if(byRxRate==2){
        pStatistic->CustomStat.ullRsr1M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr1MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 1M: ALL[%d], OK[%d]:[%02x]\n",
		(signed int) pStatistic->CustomStat.ullRsr1M,
		(signed int) pStatistic->CustomStat.ullRsr1MCRCOk, byRSR);
    }
    else if(byRxRate==12){
        pStatistic->CustomStat.ullRsr6M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr6MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 6M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr6M,
		(signed int) pStatistic->CustomStat.ullRsr6MCRCOk);
    }
    else if(byRxRate==18){
        pStatistic->CustomStat.ullRsr9M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr9MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " 9M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr9M,
		(signed int) pStatistic->CustomStat.ullRsr9MCRCOk);
    }
    else if(byRxRate==24){
        pStatistic->CustomStat.ullRsr12M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr12MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "12M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr12M,
		(signed int) pStatistic->CustomStat.ullRsr12MCRCOk);
    }
    else if(byRxRate==36){
        pStatistic->CustomStat.ullRsr18M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr18MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "18M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr18M,
		(signed int) pStatistic->CustomStat.ullRsr18MCRCOk);
    }
    else if(byRxRate==48){
        pStatistic->CustomStat.ullRsr24M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr24MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "24M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr24M,
		(signed int) pStatistic->CustomStat.ullRsr24MCRCOk);
    }
    else if(byRxRate==72){
        pStatistic->CustomStat.ullRsr36M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr36MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "36M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr36M,
		(signed int) pStatistic->CustomStat.ullRsr36MCRCOk);
    }
    else if(byRxRate==96){
        pStatistic->CustomStat.ullRsr48M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr48MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "48M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr48M,
		(signed int) pStatistic->CustomStat.ullRsr48MCRCOk);
    }
    else if(byRxRate==108){
        pStatistic->CustomStat.ullRsr54M++;
        if(byRSR & RSR_CRCOK) {
            pStatistic->CustomStat.ullRsr54MCRCOk++;
        }
	DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "54M: ALL[%d], OK[%d]\n",
		(signed int) pStatistic->CustomStat.ullRsr54M,
		(signed int) pStatistic->CustomStat.ullRsr54MCRCOk);
    }
    else {
	    DBG_PRT(MSG_LEVEL_DEBUG,
		    KERN_INFO "Unknown: Total[%d], CRCOK[%d]\n",
		    (signed int) pStatistic->dwRsrRxPacket+1,
		    (signed int)pStatistic->dwRsrCRCOk);
    }

    if (byRSR & RSR_BSSIDOK)
        pStatistic->dwRsrBSSIDOk++;

    if (byRSR & RSR_BCNSSIDOK)
        pStatistic->dwRsrBCNSSIDOk++;
    if (byRSR & RSR_IVLDLEN)  //invalid len (> 2312 byte)
        pStatistic->dwRsrLENErr++;
    if (byRSR & RSR_IVLDTYP)  //invalid packet type
        pStatistic->dwRsrTYPErr++;
    if ((byRSR & (RSR_IVLDTYP | RSR_IVLDLEN)) || !(byRSR & RSR_CRCOK))
        pStatistic->dwRsrErr++;

    if (byNewRSR & NEWRSR_DECRYPTOK)
        pStatistic->dwNewRsrDECRYPTOK++;
    if (byNewRSR & NEWRSR_CFPIND)
        pStatistic->dwNewRsrCFP++;
    if (byNewRSR & NEWRSR_HWUTSF)
        pStatistic->dwNewRsrUTSF++;
    if (byNewRSR & NEWRSR_BCNHITAID)
        pStatistic->dwNewRsrHITAID++;
    if (byNewRSR & NEWRSR_BCNHITAID0)
        pStatistic->dwNewRsrHITAID0++;

    // increase rx packet count
    pStatistic->dwRsrRxPacket++;
    pStatistic->dwRsrRxOctet += cbFrameLength;


    if (IS_TYPE_DATA(pbyBuffer)) {
        pStatistic->dwRsrRxData++;
    } else if (IS_TYPE_MGMT(pbyBuffer)){
        pStatistic->dwRsrRxManage++;
    } else if (IS_TYPE_CONTROL(pbyBuffer)){
        pStatistic->dwRsrRxControl++;
    }

    if (byRSR & RSR_ADDRBROAD)
        pStatistic->dwRsrBroadcast++;
    else if (byRSR & RSR_ADDRMULTI)
        pStatistic->dwRsrMulticast++;
    else
        pStatistic->dwRsrDirected++;

    if (WLAN_GET_FC_MOREFRAG(pHeader->wFrameCtl))
        pStatistic->dwRsrRxFragment++;

    if (cbFrameLength < ETH_ZLEN + 4) {
        pStatistic->dwRsrRunt++;
    } else if (cbFrameLength == ETH_ZLEN + 4) {
        pStatistic->dwRsrRxFrmLen64++;
    }
    else if ((65 <= cbFrameLength) && (cbFrameLength <= 127)) {
        pStatistic->dwRsrRxFrmLen65_127++;
    }
    else if ((128 <= cbFrameLength) && (cbFrameLength <= 255)) {
        pStatistic->dwRsrRxFrmLen128_255++;
    }
    else if ((256 <= cbFrameLength) && (cbFrameLength <= 511)) {
        pStatistic->dwRsrRxFrmLen256_511++;
    }
    else if ((512 <= cbFrameLength) && (cbFrameLength <= 1023)) {
        pStatistic->dwRsrRxFrmLen512_1023++;
    } else if ((1024 <= cbFrameLength) &&
	       (cbFrameLength <= ETH_FRAME_LEN + 4)) {
        pStatistic->dwRsrRxFrmLen1024_1518++;
    } else if (cbFrameLength > ETH_FRAME_LEN + 4) {
        pStatistic->dwRsrLong++;
    }
}

/*
 * Description: Update Rx Statistic Counter and copy Rx buffer
 *
 * Parameters:
 *  In:
 *      pStatistic      - Pointer to Statistic Counter Data Structure
 *      byRSR           - Rx Status
 *      byNewRSR        - Rx Status
 *      pbyBuffer       - Rx Buffer
 *      cbFrameLength   - Rx Length
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */

void
STAvUpdateRDStatCounterEx (
    PSStatCounter   pStatistic,
    BYTE            byRSR,
    BYTE            byNewRSR,
    BYTE            byRxSts,
    BYTE            byRxRate,
    PBYTE           pbyBuffer,
    unsigned int            cbFrameLength
    )
{
    STAvUpdateRDStatCounter(
                    pStatistic,
                    byRSR,
                    byNewRSR,
                    byRxSts,
                    byRxRate,
                    pbyBuffer,
                    cbFrameLength
                    );

    // rx length
    pStatistic->dwCntRxFrmLength = cbFrameLength;
    // rx pattern, we just see 10 bytes for sample
    memcpy(pStatistic->abyCntRxPattern, (PBYTE)pbyBuffer, 10);
}


/*
 * Description: Update Tx Statistic Counter
 *
 * Parameters:
 *  In:
 *      pStatistic      - Pointer to Statistic Counter Data Structure
 *      byTSR0          - Tx Status
 *      byTSR1          - Tx Status
 *      pbyBuffer       - Tx Buffer
 *      cbFrameLength   - Tx Length
 *      uIdx            - Index of Tx DMA
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void
STAvUpdateTDStatCounter (
    PSStatCounter   pStatistic,
    BYTE            byPktNum,
    BYTE            byRate,
    BYTE            byTSR
    )
{
    BYTE    byRetyCnt;
    // increase tx packet count
    pStatistic->dwTsrTxPacket++;

    byRetyCnt = (byTSR & 0xF0) >> 4;
    if (byRetyCnt != 0) {
        pStatistic->dwTsrRetry++;
        pStatistic->dwTsrTotalRetry += byRetyCnt;
        pStatistic->dwTxFail[byRate]+= byRetyCnt;
        pStatistic->dwTxFail[MAX_RATE] += byRetyCnt;

        if ( byRetyCnt == 0x1)
            pStatistic->dwTsrOnceRetry++;
        else
            pStatistic->dwTsrMoreThanOnceRetry++;

        if (byRetyCnt <= 8)
            pStatistic->dwTxRetryCount[byRetyCnt-1]++;

    }
    if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {

   if (byRetyCnt < 2)
        pStatistic->TxNoRetryOkCount ++;
   else
        pStatistic->TxRetryOkCount ++;

        pStatistic->ullTsrOK++;
        pStatistic->CustomStat.ullTsrAllOK++;
        // update counters in case that successful transmit
        pStatistic->dwTxOk[byRate]++;
        pStatistic->dwTxOk[MAX_RATE]++;

        if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_BROAD )  {
            pStatistic->ullTxBroadcastFrames++;
            pStatistic->ullTxBroadcastBytes += pStatistic->abyTxPktInfo[byPktNum].wLength;
        } else if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_MULTI ) {
            pStatistic->ullTxMulticastFrames++;
            pStatistic->ullTxMulticastBytes += pStatistic->abyTxPktInfo[byPktNum].wLength;
        } else if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_UNI ) {
            pStatistic->ullTxDirectedFrames++;
            pStatistic->ullTxDirectedBytes += pStatistic->abyTxPktInfo[byPktNum].wLength;
        }
    }
    else {

        pStatistic->TxFailCount ++;

        pStatistic->dwTsrErr++;
        if (byTSR & TSR_RETRYTMO)
            pStatistic->dwTsrRetryTimeout++;
        if (byTSR & TSR_TMO)
            pStatistic->dwTsrTransmitTimeout++;
    }

    if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_BROAD )  {
        pStatistic->dwTsrBroadcast++;
    } else if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_MULTI ) {
        pStatistic->dwTsrMulticast++;
    } else if ( pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni == TX_PKT_UNI ) {
        pStatistic->dwTsrDirected++;
    }
}


/*
 * Description: Update 802.11 mib counter
 *
 * Parameters:
 *  In:
 *      p802_11Counter  - Pointer to 802.11 mib counter
 *      pStatistic      - Pointer to Statistic Counter Data Structure
 *      dwCounter       - hardware counter for 802.11 mib
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void
STAvUpdate802_11Counter(
    PSDot11Counters         p802_11Counter,
    PSStatCounter           pStatistic,
    BYTE                    byRTSSuccess,
    BYTE                    byRTSFail,
    BYTE                    byACKFail,
    BYTE                    byFCSErr
    )
{
    //p802_11Counter->TransmittedFragmentCount
    p802_11Counter->MulticastTransmittedFrameCount =
      (unsigned long long) (pStatistic->dwTsrBroadcast +
			    pStatistic->dwTsrMulticast);
    p802_11Counter->FailedCount = (unsigned long long) (pStatistic->dwTsrErr);
    p802_11Counter->RetryCount = (unsigned long long) (pStatistic->dwTsrRetry);
    p802_11Counter->MultipleRetryCount =
      (unsigned long long) (pStatistic->dwTsrMoreThanOnceRetry);
    //p802_11Counter->FrameDuplicateCount
    p802_11Counter->RTSSuccessCount += (unsigned long long) byRTSSuccess;
    p802_11Counter->RTSFailureCount += (unsigned long long) byRTSFail;
    p802_11Counter->ACKFailureCount += (unsigned long long) byACKFail;
    p802_11Counter->FCSErrorCount +=   (unsigned long long) byFCSErr;
    //p802_11Counter->ReceivedFragmentCount
    p802_11Counter->MulticastReceivedFrameCount =
      (unsigned long long) (pStatistic->dwRsrBroadcast +
			    pStatistic->dwRsrMulticast);
}

/*
 * Description: Clear 802.11 mib counter
 *
 * Parameters:
 *  In:
 *      p802_11Counter  - Pointer to 802.11 mib counter
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */
void
STAvClear802_11Counter(PSDot11Counters p802_11Counter)
{
    // set memory to zero
	memset(p802_11Counter, 0, sizeof(SDot11Counters));
}

/*
 * Description: Clear 802.11 mib counter
 *
 * Parameters:
 *  In:
 *      pUsbCounter  - Pointer to USB mib counter
 *      ntStatus - URB status
 *  Out:
 *      none
 *
 * Return Value: none
 *
 */

void STAvUpdateUSBCounter(PSUSBCounter pUsbCounter, int ntStatus)
{

//    if ( ntStatus == USBD_STATUS_CRC ) {
        pUsbCounter->dwCrc++;
//    }

}