aal2desc.h

摩托罗拉Motolola公司网络处理器C3的示范代码.实现了ATM的AAL2层交换功能.想了解网络处理器的可以

/*
 *  atmCellDesc.h - ATM cell switch descriptor
 */

/*
 *  Copyright (c) 2000, 2001, 2002 C-Port Corporation, a Motorola Company
 *  All Rights Reserved
 *
 *  The information contained in this file is confidential and proprietary.
 *  Any reproduction, use or disclosure, in whole or in part, of this
 *  program, including any attempt to obtain a human-readable version of this
 *  program, without the express, prior written consent of C-Port
 *  Corporation is strictly prohibited.
 */

#ifndef AAL2CELLDESC_H
#define AAL2CELLDESC_H

#include <dcpTypes.h>
#include <dcpBufferSvcs.h>
#include <dcpTableSvcs.h>

#include "atmCellDesc.h"

/* Initialization descriptors */

typedef struct
{
    TsTableId   tableId;
    BsPoolId    poolId;
    QsQueueId   destId;

} Aal2CpInitDesc;

typedef union
{
    AtmAal2CpInitDesc    atmParams;
    QosCpInitDesc    qosParams;
    Aal2CpInitDesc   aal2Params;
} NewCpInitDesc;

typedef struct _TimeoutDesc
{
    int8u         seqNo;
    int16u        vcIndex;

} TimeoutDesc;

#define TIMER_START_COMMAND          0

typedef struct _TimerStartData
{
    int8u         seqNo;
    int8u         cpId;
    int16u        vcIndex;

} TimerStartData;

typedef union _XpInQueueData
{
    TimerStartData timerStartCommand;

} XpInQueueData;

typedef struct _XpInQueueDesc
{
    int32u        command;
    XpInQueueData data;

} XpInQueueDesc;


typedef struct cpsDescriptor 
{
    BsBufHandle cpsPckPayload;  /* Pointer to payload of the CPS Packet */
    int16u      egressVcIndex;  /* Egress VC index   */
    int8u       cid;            /* Channel ID */
    int16u      li   : 6;       /* Length Indicator */
    int16u      uui  : 5;       /* User-to-User Indication */
    int16u      pad  : 5;       /* Header Error Control */
    int32u      atmEgressKey;   /* ATM Egress VPI <20:31>, VCI <4:19> and Port # <0:3> */
} Aal2CpsDesc;


#endif /* AAL2CELLDESC_H */