pimacfltep.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:    pimacflteep.c
 *
 * Purpose: mac table filter function module UI definitions
 *
 * Author:  Tim Feng
 *
 * Date:    Jan 13, 2006
 *
 * Functions:
 *
 * Revision History:
 *
 */


#include "piportmp.h"
#include "swmsg.h"
#include "pimacfltep.h"
#include "pimacfltmd.h"

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

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

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

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

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

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

/*---------------------  Export Functions  --------------------------*/
// Search entry in table
// If search successed, return EEPROM table entry id; else return ENTRY_END_FLAG
// When searching an entry, Must firstly check whether the static bit of Entry is True to
// make sure the entry is a valid entry, not empty entry,
// MAC address 00 00 00 00 00 00 is a valid address, can not be
// used to classify entry(entry in eeprom is valid or empty).
UINT16 PIMACFLTEP_wSearchEntry (UINT8 *abyMacAddr, UINT16 u16Fid)
{
    SMacEntry sTblEntry;
    PUINT8   pabyMacAddrTmp;
    UINT8 si;
        
        
    STR_pvMemset(&sTblEntry, 0, sizeof(SMacEntry)); 
    pabyMacAddrTmp = sTblEntry.abyMacAddr;
    
    // Find where in EEPROM the current entry is
    for (si = 0; si < SWITCH_MAC_FLT_GRP_NUM; si ++ ) {        
        PIMACFLTEP_vGetEntry(si, &sTblEntry);

        //If not static group, It means that the group invalid
        if (sTblEntry.bStatic)         
            // If HIT => return current location
            if ( (abyMacAddr[0] == pabyMacAddrTmp[0]) && (abyMacAddr[1] == pabyMacAddrTmp[1]) && (abyMacAddr[2] == pabyMacAddrTmp[2])
                && (abyMacAddr[3] == pabyMacAddrTmp[3]) && (abyMacAddr[4] == pabyMacAddrTmp[4]) && (abyMacAddr[5] == pabyMacAddrTmp[5])
                && (u16Fid == sTblEntry.u16Fid) )
                return si;
        }

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

//search an entry by PORT Id in EEprom
UINT16 PIMACFLTEP_wSearchEntrybyPortId (UINT8 bySrcId)
{
    SMacEntry sTblEntry;
    UINT8 si;
        
    STR_pvMemset(&sTblEntry, 0, sizeof(SMacEntry)); 

    // Find where in EEPROM the current entry is
    for (si = 0; si < SWITCH_MAC_FLT_GRP_NUM; si ++ ) {        
        PIMACFLTEP_vGetEntry(si, &sTblEntry);

        //If not static group, It means that the group invalid
        if (sTblEntry.bStatic)         
            // If HIT => return current location
            if ( !sTblEntry.bTrkGrp && (bySrcId == sTblEntry.u8SrcId))           
                return si;
        }

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

UINT8 PIMACFLTEP_byInsEntry (SMacEntry *pSTblEntry) 
{
    SMacEntry sTblEntryTmp;
    UINT16  wTblPtr;   
    
    
    // Check if entry already exist
    if (PIMACFLTEP_wSearchEntry(pSTblEntry->abyMacAddr, pSTblEntry->u16Fid) != UINT16_MAX)
         return MACFLT_OP_GRP_EXIST;

    // Search where in eeprom to insert the entry
    for (wTblPtr = 0; wTblPtr < SWITCH_MAC_FLT_GRP_NUM; wTblPtr++) {
        PIMACFLTEP_vGetEntry(wTblPtr, &sTblEntryTmp);

        //If the static bit in entry is not TRUE, That's to say the group exist and is empty.
        //So here is the position to insert a new group
        if (!sTblEntryTmp.bStatic)
            break;
    }

    // Check if table full
    if (wTblPtr == SWITCH_MAC_FLT_GRP_NUM)
        return MACFLT_OP_NO_EMPTY_GRP;

    // Insert the target entry into EEPROM and update checksum
    PIEEP_vSetCfgIntoEep( (PUINT8)pSTblEntry, PIMACFLTEP_dwEntryEepAddr(wTblPtr), EEP_SIZE_MACFLT_TBL_ENTRY);
    NVRAM_vUpdateChecksum(EEP_SIZE_DATA_AREA);

    return OP_OK;
}


void PIMACFLTEP_vDelEntry (UINT16 wTblPtr)
{
    SMacEntry sTblEntry;

    STR_pvMemset(&sTblEntry, 0, sizeof(SMacEntry));

    PIEEP_vSetCfgIntoEep( (PUINT8)&sTblEntry, PIMACFLTEP_dwEntryEepAddr(wTblPtr), EEP_SIZE_MACFLT_TBL_ENTRY);
    NVRAM_vUpdateChecksum(EEP_SIZE_DATA_AREA);
}

void PIMACFLTEP_vStatisTblInfo (SMacFltPageCfg *pSPageBuf)
{
    SMacEntry sTblEntry;
    PUINT8   pabyMacAddr;
    UINT16  wTblPtr, si;
    UINT8    abyValidGrpPhyIdList[SWITCH_MAC_FLT_GRP_NUM];                     // Valid Port Phyid array   
    char      astrGrpMacBuff[MAC_STRING_LEN+1];
    
    
    pSPageBuf->wValidEntryNum = 0;

    PIMACFLT_vGetSMacFltMode(&pSPageBuf->bySMACFltMode);
    
    STR_pvMemset(&sTblEntry, 0, sizeof(SMacEntry)); 
    pabyMacAddr = sTblEntry.abyMacAddr;
    
    // Add entry into valid group list one by one
    for (wTblPtr = 0; wTblPtr < SWITCH_MAC_FLT_GRP_NUM; wTblPtr++) {
        PIMACFLTEP_vGetEntry(wTblPtr, &sTblEntry);

        //valid entry if (static bit == 1) in eeprom
        if (sTblEntry.bStatic) {
            pSPageBuf->wValidEntryNum ++;

            //Sort by Port PhyId
            for (si = pSPageBuf->wValidEntryNum-1; si > 0; si--) {
                if (sTblEntry.u8SrcId  < abyValidGrpPhyIdList[si-1]) {
                    abyValidGrpPhyIdList[si] = abyValidGrpPhyIdList[si-1];
                    STR_pvMemcpy(pSPageBuf->astrGrpMacList + si*(MAC_STRING_LEN+1), pSPageBuf->astrGrpMacList + (si-1)*(MAC_STRING_LEN+1), MAC_STRING_LEN+1);
                    pSPageBuf->awValidGrpFidList[si] = pSPageBuf->awValidGrpFidList[si-1];
                }
                else
                    break;
            }    

            abyValidGrpPhyIdList[si] = sTblEntry.u8SrcId;

            //Note: In this function, using function STR_vCvtMacValtoStr(pSPageBuf->astrGrpMacList + si*(MAC_STRING_LEN+1), (char*)pabyMacAddr, MAC_STRING_LEN+1);
            //to transfer mac value to mac string into astrGrpMacList will have bug
            STR_vCvtMacValtoStr(astrGrpMacBuff, (char*)pabyMacAddr);
            STR_pvMemcpy(pSPageBuf->astrGrpMacList + si*(MAC_STRING_LEN+1), astrGrpMacBuff, MAC_STRING_LEN+1);
            
            pSPageBuf->awValidGrpFidList[si]  = sTblEntry.u16Fid;         
        }
    }
}