pivlnmod.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:    pivlnmod.c
 *
 * Purpose: VLAN mode setting UI callback functions
 *
 * Author:  Tevin Chen
 *
 * Date:    Jan 08, 2002
 *
 * Functions:
 *
 * Revision History:
 *
 */


#include "str.h"
#include "swvlan.h"
#include "swfwd.h"
#include "swsys.h"
#include "piportmp.h"
#include "picfgmp.h"
#include "pivlnmod.h"
#include "pivlngrp.h"
#include "pivlneep.h"




/*---------------------  Static Definitions -------------------------*/
// Default 802.1Q group member are untagged
#define DEFAULT_8021Q_MEMBER_BYTE_CFG   0xAA    // VLAN_GRP_UNTAG_MBR => 0x10

// Definitions to reduce statement length
#define pSCurGrp    (&pSPageBuf->SCurGrp)

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

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

/*---------------------  Static Functions  --------------------------*/
static void s_vSetEepDefault (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT;

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

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

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

// Get config from EEPROM and set into page buf
void PIVLAN_vInitPage (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT
{
    PIVLAN_vGetVlanMode(&pSPageBuf->byVlanMode);
    PIVLNEEP_vStatisTblInfo(pSPageBuf);

    // decide max vid by chip type
    pSPageBuf->wMaxVid = ((CHIP_VT3221 == (SWSYS_byGetChipType())) ? VLAN_MAX_VALID_VID_3221 : VLAN_MAX_VALID_VID_3077);
}


// Get config from EEPROM and set into hardeare
void PIVLAN_vSetHwFromEep (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT
{
    UINT8   si;

    // Initialize page and set vlan mode into hardware
    PIVLAN_vInitPage(pSPageBuf);
    SWVLAN_vSetVlanMode(pSPageBuf->byVlanMode);

    // Clear system PVID setting
    if (pSPageBuf->byVlanMode == VLAN_MODE_8021Q) {
        for (si = 0; si < SWITCH_PORT_NUM; si++)
            SWVLAN_vSetPvid(si, 0);
    }

    // If vlan enabled, add groups into hardware
    for (si = 0; si < pSPageBuf->byValidEntryNum; si++) {
        pSCurGrp->wVid = pSPageBuf->awValidGrpIdList[si];
        PIVLAN_byGetGrp(pSPageBuf);

        // Add portbase group
        if (pSPageBuf->byVlanMode == VLAN_MODE_PORTBASE)
            VLANvInsPortBaseGrp(pSCurGrp);

        // Add 802.1Q group
        else
            VLANvIns8021QEntry(pSPageBuf);
    }

    // Finish port base table setting
    if (pSPageBuf->byVlanMode == VLAN_MODE_PORTBASE)
        SWVLAN_vSetPortBaseCfgForAllGrp();
}


// Set default vlan mode into EEPROM
void PIVLAN_vSetEepDefault (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT
{
    PIVLAN_vInitPage(pSPageBuf);
    pSPageBuf->byVlanMode = VLAN_MODE_DISABLE;
    PIVLAN_vSetVlanMode(pSPageBuf);
}


// Set vlan mode function
// Jenda 0502: write default vlan ingress filtering setting after change vlan mode from 802.1Q
void PIVLAN_vSetVlanMode (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT
{
    UINT8   si, byOldVlanMode;

    // Clear VLAN table according to the original vlan mode
    PIVLAN_vGetVlanMode(&byOldVlanMode);
    if (byOldVlanMode == VLAN_MODE_8021Q) {
        for (si = 0; si < pSPageBuf->byValidEntryNum; si++) {
            pSCurGrp->wVid = pSPageBuf->awValidGrpIdList[si];
            SWVLAN_vClearEntry(pSCurGrp->wVid);
        }
    }
    else if (byOldVlanMode == VLAN_MODE_PORTBASE)
        SWVLAN_vClearAllPortBaseGrp();

    // Set EEPROM content to default value of new vlan mode
    s_vSetEepDefault(pSPageBuf);

    // Get config from EEPROM and set into hardware
    PIVLAN_vSetHwFromEep(pSPageBuf);

    // Set default vlan ingress filtering setting
    if (byOldVlanMode == VLAN_MODE_8021Q) {
        PIVLNFLT_vSetEepDefault((SVlanIngrFilterPageCfg*)pSCurGrp);
        PIVLNFLT_vSetHwFromEep((SVlanIngrFilterPageCfg*)pSCurGrp);
    }

    // Clear MAC table to prevent lookup problems
    SWFWD_vClearMacTable();
}


// Set EEPROM default value of each vlan mode
static void s_vSetEepDefault (SVlanPageCfg *pSPageBuf) DIRECT_FUNTYPE_REENT
{
    UINT16  wTmp = 0;   // used for "PIEEP_vSetCfgIntoEep"
    UINT8   byStartId, si;

    // Set vlan mode into eeprom
    PIEEP_vSetCfgIntoEep(&pSPageBuf->byVlanMode, EEP_ADDR_VLAN_CFG, EEP_SIZE_VLAN_MODE);

    // If 802.1Q => Add default group into EEPROM
    if (pSPageBuf->byVlanMode == VLAN_MODE_8021Q) {
        pSCurGrp->wVid = VLAN_DEFAULT_GROUP_VID;
        STRvMemset( pSCurGrp->abyMbrMsk, 0, BYTE_NUM_OF_CFGBUF_BIT_MASK );  // Tagged member => 0
        STRvMemset( pSCurGrp->abyMbrMsk + BYTE_NUM_OF_CFGBUF_BIT_MASK,
                    0xFF, BYTE_NUM_OF_CFGBUF_BIT_MASK );   // Untagged member => all ports
        PIVLNEEP_vEditEntry(0, pSCurGrp);
        byStartId = 1;
    }
    else
        byStartId = 0;

    // Clear group id of each entry buffer
    for ( si = byStartId; si < SWITCH_VLAN_GRP_NUM; si++ )
        PIEEP_vSetCfgIntoEep((PBYTE)&wTmp, PIVLNEEP_byEntryEepAddr(si), SIZE_OF_VID);

    // Update checksum and return
    PIEEP_vUpdateChecksum();
}