swmib.c

VIA VT6524 8口网管交换机源码

/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This software is copyrighted by and is the sole property of
 * VIA Networking Technologies, Inc. This software may only be used
 * in accordance with the corresponding license agreement. Any unauthorized
 * use, duplication, transmission, distribution, or disclosure of this
 * software is expressly forbidden.
 *
 * This software is provided by VIA Networking Technologies, Inc. "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 VIA Networking Technologies, Inc.
 * be liable for any direct, indirect, incidental, special, exemplary, or
 * consequential damages.
 *
 *
 * File:    swmib.c
 *
 * Purpose: Mib table operation functions
 *
 * Author:  Tevin Chen
 *
 * Date:    Jan 08, 2002
 *
 * Functions:
 *
 * Revision History:
 *
 */


#if !defined(__BITOP_H__)
#include "bitop.h"
#endif
#if !defined(__STR_H__)
#include "str.h"
#endif
#if !defined(__SWITCH_H__)
#include "switch.h"
#endif
#if !defined(__SWSRAM_H__)
#include "swsram.h"
#endif
#if !defined(__SWMIB_H__)
#include "swmib.h"
#endif




/*---------------------  Static Definitions  ------------------------*/
#define MIB_TBL_BASE_ADDR           (SRAM_CTRL_BLK_BASE_ADDR + 0x3C00)
#define MIB_TBL_SIZE                0x340
#define MIB_TBL_PORT_OFFSET         0x0010

#define SLOT_ENTRY_NUM              2

/*---------------------  Static Types  ------------------------------*/

/*---------------------  Static Macros  -----------------------------*/

/*---------------------  Static Classes  ----------------------------*/

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

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

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




void SWMIB_vGetCntr(BYTE byPortId, BYTE byCntrId, UINT32 *pdwCntr)
{
    BYTE    abySlotBuf[SRAM_CTRL_SLOT_SIZE];
    UINT16  wAddr;



    wAddr = MIB_TBL_BASE_ADDR + (byPortId * MIB_TBL_PORT_OFFSET) + (byCntrId / SLOT_ENTRY_NUM);
    SWSRAM_bReadSlot(wAddr, abySlotBuf);
    BITvExtractBits( abySlotBuf,
                     (BYTE)( 8 * (byCntrId % SLOT_ENTRY_NUM) ),
                     (BYTE)( 8 * ((byCntrId % SLOT_ENTRY_NUM) + 1) - 1 ),
                     (PBYTE)pdwCntr );
}


void SWMIB_vClearCntr(BYTE byPortId, BYTE byCntrId)
{
    BYTE    abySlotBuf[SRAM_CTRL_SLOT_SIZE];
    BYTE    abyValueBuf[SRAM_CTRL_SLOT_SIZE];
    UINT16  wAddr;



    STRvMemset(abyValueBuf, 0, SRAM_CTRL_SLOT_SIZE);
    wAddr = MIB_TBL_BASE_ADDR + (byPortId * MIB_TBL_PORT_OFFSET) + (byCntrId / SLOT_ENTRY_NUM);
    SWSRAM_bReadSlot(wAddr, abySlotBuf);
    BITvModifyBits( abySlotBuf,
                    (BYTE)( 8 * (byCntrId % SLOT_ENTRY_NUM) ),
                    (BYTE)( 8 * ((byCntrId % SLOT_ENTRY_NUM) + 1) - 1),
                    abyValueBuf );
    SWSRAM_bWriteSlot(wAddr, abySlotBuf);
}


void SWMIB_vGetAllCntr(BYTE byPortId, SMibCntr *pSMibCntr)
{
    PUINT32 pdwTmp;
    BYTE    uu;


    for (uu = 0; uu < MIBTBL_CNTR_NUM; uu++) {
        pdwTmp = (PUINT32)( (PBYTE)&(pSMibCntr->dwRxBcastPkt) + uu * sizeof(UINT32) );
        SWMIB_vGetCntr(byPortId, uu, pdwTmp);
    }
}


void SWMIB_vClearAllCntr(BYTE byPortId)
{
    BYTE    abySlotBuf[SRAM_CTRL_SLOT_SIZE];
    BYTE    uu;


    STRvMemset(abySlotBuf, 0, SRAM_CTRL_SLOT_SIZE);
    for (uu = 0; uu < (MIBTBL_CNTR_NUM / SLOT_ENTRY_NUM); uu++)
        SWSRAM_bWriteSlot(MIB_TBL_BASE_ADDR + (byPortId * MIB_TBL_PORT_OFFSET) + uu, abySlotBuf);
}