pivlneep.c

vt6528芯片交换机API函数和文档运行程序

/*
 * 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:    pivlneep.c
 *
 * Purpose: VLAN related EEPROM accessing functions
 *
 * Author:  Tevin Chen
 *
 * Date:    Jan 08, 2002
 *
 * Functions:
 *
 * Revision History:
 *
 */


#include "piportmp.h"
#include "pieeprom.h"
#include "pivlneep.h"
#include "swmsg.h"




/*---------------------  Static Definitions -------------------------*/

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

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

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

/*---------------------  Static Macros  -----------------------------*/
#define s_vGetEntryId(wTblPtr, pwId) PIEEP_vGetCfgFromEep(PIVLNEEP_dwEntryEepAddr(wTblPtr), SIZE_OF_VID, (PUINT8)pwId)

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

/*---------------------  Export Functions  --------------------------*/
// Search entry in table
// If search successed, return EEPROM table entry id; else return ENTRY_END_FLAG
UINT16 PIVLNEEP_wSearchEntry (UINT16 wEntryId)
{
    UINT16  wId, si;

    // Find where in EEPROM the current entry is
    for (si = 0; si < SWITCH_VLAN_GRP_NUM; si++) {
        // Get current entry id and compare with the target one
        s_vGetEntryId(si, &wId);

        // If HIT => return current location
        if ((wId != 0) && (wId == wEntryId) )
            return si;
        }

    // If entry not exist, return UINT16_MAX
    return UINT16_MAX;
}


UINT8 PIVLNEEP_byInsEntry (SVlanGrp *pSEntry)
{
    UINT16  wTblPtr, wId;

    // Check if entry already exist
    if (PIVLNEEP_wSearchEntry(pSEntry->u16Vid) != UINT16_MAX)
         return VLAN_OP_GRP_EXIST;

    // Search where in eeprom to insert the entry
    for (wTblPtr = 0; wTblPtr < SWITCH_VLAN_GRP_NUM; wTblPtr++) {
        s_vGetEntryId(wTblPtr, &wId);
        if (wId == 0)
            break;
    }

    // Check if table full
    if (wTblPtr == SWITCH_VLAN_GRP_NUM)
        return VLAN_OP_NO_EMPTY_GRP;

    // Insert the target entry into EEPROM and update checksum
    PIEEP_vSetCfgIntoEep( (PUINT8)pSEntry, PIVLNEEP_dwEntryEepAddr(wTblPtr), EEP_SIZE_VLAN_TBL_ENTRY );
    NVRAM_vUpdateChecksum(EEP_SIZE_DATA_AREA);
    return OP_OK;
}


void PIVLNEEP_vDelEntry (UINT16 wTblPtr)
{
    UINT16  wBuf = 0;

    PIEEP_vSetCfgIntoEep( (PUINT8)&wBuf, PIVLNEEP_dwEntryEepAddr(wTblPtr), SIZE_OF_VID );
    NVRAM_vUpdateChecksum(EEP_SIZE_DATA_AREA);
}


void PIVLNEEP_vEditEntry (UINT16 wTblPtr, SVlanGrp *pSEntry)
{       
    PIEEP_vSetCfgIntoEep( (PUINT8)pSEntry, PIVLNEEP_dwEntryEepAddr(wTblPtr), EEP_SIZE_VLAN_TBL_ENTRY );
    NVRAM_vUpdateChecksum(EEP_SIZE_DATA_AREA);
}


void PIVLNEEP_vStatisTblInfo (SVlanPageCfg *pSPageBuf)
{
    UINT16  wTblPtr, u16Vid, si;

    // Prepare for table info statistics
    pSPageBuf->wValidEntryNum = 0;

    // Add entry id into valid group list one by one
    for (wTblPtr = 0; wTblPtr < SWITCH_VLAN_GRP_NUM; wTblPtr++) {
        s_vGetEntryId(wTblPtr, &u16Vid);
        if (u16Vid > 0) {
            pSPageBuf->wValidEntryNum++;
            for (si = pSPageBuf->wValidEntryNum-1; si > 0; si--) {
                if (u16Vid < pSPageBuf->awValidGrpIdList[si-1])
                    pSPageBuf->awValidGrpIdList[si] = pSPageBuf->awValidGrpIdList[si-1];
                else
                    break;
            }
            pSPageBuf->awValidGrpIdList[si] = u16Vid;
        }
    }
}