lcpinterfaces.c

这是全套的PPP协议的源码

*/
LOCAL UINT32 lcpRemoteToLocalProtocolCompressionGet
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLinkStatusRemoteToLocalProtocolCompression);
    }

/*******************************************************************************
* lcpLocalToRemoteACCompressionGet -
*/
LOCAL UINT32 lcpLocalToRemoteACCompressionGet
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLinkStatusLocalToRemoteACCompression);
    }

/*******************************************************************************
* lcpRemoteToLocalACCompressionGet -
*/
LOCAL UINT32 lcpRemoteToLocalACCompressionGet
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLinkStatusRemoteToLocalACCompression);
    }

/*******************************************************************************
* lcpTransmitFcsSize -
*/
LOCAL UINT32 lcpTransmitFcsSize
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLinkStatusTransmitFcsSize);
    }

/*******************************************************************************
* lcpReceiveFcsSize -
*/
LOCAL UINT32 lcpReceiveFcsSize
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLinkStatusReceiveFcsSize);
    }

/*******************************************************************************
* lcpRemoteAuthenticationProtocolGet -
*/
LOCAL UINT32 lcpRemoteAuthenticationProtocolGet
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppRemoteAuthenticationProtocol);
    }

/*******************************************************************************
* lcpLocalAuthenticationProtocolGet -
*/
LOCAL UINT32 lcpLocalAuthenticationProtocolGet
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;

    return(pStackData->lcp_mibs.pppLocalAuthenticationProtocol);
    }

/*******************************************************************************
* pppLinkConfigInitialMRUGet -
*/
LOCAL ULONG pppLinkConfigInitialMRUGet 
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    return pStackData->lcp_mibs.pppLinkConfigInitialMRU;
    }

/*******************************************************************************
* pppLinkConfigInitialMRUSet -
*/
LOCAL STATUS pppLinkConfigInitialMRUSet     
    (
    PFW_PLUGIN_OBJ_STATE * lcpState,
    ULONG value
    )
    {
    STATUS status;
    LCP_STACK_DATA      * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    char                partialString[256];
    LCP_CONFIG_OPTION   * lcpOption = NULL;
    PPP_LCP_COMPONENT   * pComponentData = NULL;
    PFW_OBJ             * pfw = NULL;
    UINT16              mru = 0;

	bzero (partialString, sizeof (partialString));

    if (value >= 0x10000)
	return ERROR;

    mru = value;

    if (lcpState == NULL)
     return ERROR;

	if ((pfw = pfwStackObjPfwGet (lcpState->stackObj)) == NULL)
		return ERROR;

    pComponentData = (PPP_LCP_COMPONENT *)pfwPluginObjGet (pfw, "PPP_LCP");
	if (pComponentData == NULL)
		return ERROR;

    lcpOption = &pComponentData->option [LCP_MAXIMUM_RECEIVE_UNIT];
    if (lcpOption == NULL)
         return ERROR;

    if (pfwPluginObjStateLock(lcpState) != OK)
		return (ERROR);

    if (pStackData->lcp_mibs.pppLinkConfigInitialMRU == mru)
		{
		pfwPluginObjStateRelease(lcpState);
		return OK;
		}

    bzero(partialString,sizeof(partialString));

    sprintf(partialString,"Local:Negotiation Required,Negotiable:%d", mru);

    if ((status=generate_option_list_entry(pfw,&pStackData->option_lists,
					    partialString,
					    lcpOption->name,
					    lcpOption->optionType,"LCP",
					    lcpOption->optionTypeString)) != OK)
	    {
	    pfwPluginObjStateRelease(lcpState);
	    return ERROR;
	    }
	
    if (status == OK)
		{
		pStackData->lcp_mibs.pppLinkConfigInitialMRU = mru;
		free_ppp_tx_accepted_option_list(&pStackData->option_lists.tx_accepted);
		}
  	pfwPluginObjStateRelease(lcpState);

    return status;
    }

/*******************************************************************************
* pppLinkConfigReceiveACCMapGet -
*/
LOCAL ULONG pppLinkConfigReceiveACCMapGet 
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    return (pStackData->lcp_mibs.pppLinkConfigReceiveACCMap);
    }

/*******************************************************************************
* pppLinkConfigReceiveACCMapSet -
*/
LOCAL STATUS pppLinkConfigReceiveACCMapSet  
    (
    PFW_PLUGIN_OBJ_STATE * lcpState,
    ULONG value
    )
    {
    STATUS              status;
    LCP_STACK_DATA      * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    char                partialString[256];
    LCP_CONFIG_OPTION   * lcpOption = NULL;
    PPP_LCP_COMPONENT   * pComponentData = NULL;
    PFW_OBJ             * pfw = NULL;

	bzero (partialString, sizeof (partialString));

    if (lcpState == NULL)
        return ERROR;

	if ((pfw = pfwStackObjPfwGet (lcpState->stackObj)) == NULL)
		return ERROR;

    pComponentData = (PPP_LCP_COMPONENT *)pfwPluginObjGet (pfw, "PPP_LCP");
	if (pComponentData == NULL)
		return ERROR;

    lcpOption = &pComponentData->option [LCP_ASYNC_CONTROL_CHARACTER_MAP];
    if (lcpOption == NULL)
        return ERROR;

    if (pfwPluginObjStateLock(lcpState) != OK)
	return (ERROR);

    if (pStackData->lcp_mibs.pppLinkConfigReceiveACCMap == value)
	{
	pfwPluginObjStateRelease(lcpState);
	return OK;
	}

    bzero(partialString,sizeof(partialString));

    sprintf(partialString,"Remote:Negotiation Not Required,Not Negotiable:%08x",
							    (UINT32)value);
   
    if ((status=generate_option_list_entry(pfw,&pStackData->option_lists,
					    partialString,
					    lcpOption->name,
					    lcpOption->optionType,"LCP",
					    lcpOption->optionTypeString)) != OK)
	    {
	    pfwPluginObjStateRelease(lcpState);
        return ERROR;
	    }
	
    if (status == OK)
	    pStackData->lcp_mibs.pppLinkConfigReceiveACCMap = value;

    pfwPluginObjStateRelease(lcpState);

    return status;
    }
/*******************************************************************************
* pppLinkConfigTransmitACCMapGet -
*/
LOCAL ULONG pppLinkConfigTransmitACCMapGet 
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    return(pStackData->lcp_mibs.pppLinkConfigTransmitACCMap);
    }
/*******************************************************************************
* pppLinkConfigTransmitACCMapSet -
*/
LOCAL STATUS pppLinkConfigTransmitACCMapSet  
    (
    PFW_PLUGIN_OBJ_STATE * lcpState,
    ULONG value
    )
    {
    STATUS status;
    LCP_STACK_DATA      * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    char                partialString[256];
	LCP_CONFIG_OPTION   * lcpOption = NULL;
    PFW_OBJ             * pfw = NULL;
	PPP_LCP_COMPONENT	*pComponentData = NULL;

	bzero (partialString, sizeof (partialString));

    if (lcpState == NULL)
        return ERROR;

	if ((pfw = pfwStackObjPfwGet (lcpState->stackObj)) == NULL)
		return ERROR;

    pComponentData = (PPP_LCP_COMPONENT *)pfwPluginObjGet (pfw, "PPP_LCP");
	if (pComponentData == NULL)
		return ERROR;

    lcpOption = &pComponentData->option [LCP_ASYNC_CONTROL_CHARACTER_MAP];
    if (lcpOption == NULL)
        return ERROR;

    if (pfwPluginObjStateLock(lcpState) != OK)
	return (ERROR);

    if (pStackData->lcp_mibs.pppLinkConfigTransmitACCMap == value)
	{
	pfwPluginObjStateRelease(lcpState);
	return OK;
	}

    bzero(partialString,sizeof(partialString));

    sprintf(partialString,"Local:Negotiation Required,Negotiable:%08x", 
							(UINT32)value);

    if ((status=generate_option_list_entry(pfw,&pStackData->option_lists,
					    partialString,
					    lcpOption->name,
					    lcpOption->optionType,"LCP",
					    lcpOption->optionTypeString)) != OK)
	    {
	    pfwPluginObjStateRelease(lcpState);
	    return ERROR;
	    }
	

    if (status == OK)
	{
	pStackData->lcp_mibs.pppLinkConfigTransmitACCMap = value;
	free_ppp_tx_accepted_option_list(&pStackData->option_lists.tx_accepted);
	}

    pfwPluginObjStateRelease(lcpState);
    return status;
    }

/*******************************************************************************
* pppLinkConfigMagicNumberGet -
*/
LOCAL ULONG pppLinkConfigMagicNumberGet 
    (
    PFW_PLUGIN_OBJ_STATE * lcpState
    )
    {
    LCP_STACK_DATA * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    return(pStackData->lcp_mibs.pppLinkConfigMagicNumber);
    }
/*******************************************************************************
* pppLinkConfigMagicNumberSet -
*/
LOCAL STATUS pppLinkConfigMagicNumberSet    
    (
    PFW_PLUGIN_OBJ_STATE * lcpState,
    ULONG value
    )
    {
    STATUS              status;
    LCP_STACK_DATA      * pStackData = (LCP_STACK_DATA *)lcpState->stackData;
    char                partialString[256];
    LCP_CONFIG_OPTION   * lcpOption = NULL;
    PFW_OBJ             * pfw = NULL;
    PPP_LCP_COMPONENT   * pComponentData = NULL;
	OPTION_LIST_ENTRY	* optionEntry = NULL;

	bzero (partialString, sizeof (partialString));
	
    if (lcpState == NULL)
     return ERROR;

	if ((pfw = pfwStackObjPfwGet (lcpState->stackObj)) == NULL)
		return ERROR;

    pComponentData = (PPP_LCP_COMPONENT *)pfwPluginObjGet (pfw, "PPP_LCP");
	if (pComponentData == NULL)
		return ERROR;

    lcpOption = &pComponentData->option [LCP_MAGIC_NUMBER];
    if (lcpOption == NULL)
     return ERROR;
    
    if (value != M2_pppLinkConfigMagicNumber_enabled &&
	value != M2_pppLinkConfigMagicNumber_disabled)
	return ERROR;

    if (pfwPluginObjStateLock(lcpState) != OK)
	return (ERROR);

    if (pStackData->lcp_mibs.pppLinkConfigMagicNumber == value)
	{
	pfwPluginObjStateRelease(lcpState);
	return OK;
	}
    
   if (value == M2_pppLinkConfigMagicNumber_disabled)
	{

	optionEntry = find_matching_option(&pStackData->option_lists.configured,
						LCP_MAGIC_NUMBER);

	if (optionEntry != NULL)
		{

	    delete_entry_from_list (
					(LINK *) &pStackData->option_lists.configured,
					(LINK *) optionEntry);

	    if (optionEntry->length > 0x00)
			{
			if (optionEntry->uptr_data != NULL)		
				{
				pfwFree ((void *)optionEntry->uptr_data);
				optionEntry->uptr_data = NULL;	
				}
			}