aal2tabledefs.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

/*
 *  aal2TableDefs.h - AAL2 Switch Table definitions
 */

/*
 *  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 AAL2TABLEDEFS_H
#define AAL2TABLEDEFS_H

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



typedef struct
{
    /* first 32 bits */
    int16u    queueId;
    int16u    vcIndex;

    /* second 32 bits */
    int32u    atmEgressKey; /* VPI <20:31>, VCI <4:19> and Port# <0:3> */

    /* third 32 bits */
    int8u     cid;
    int8u     pad1;
    int16u    pad2;

} CidTabEntryData;

typedef struct
{
    int32u           index;
    CidTabEntryData  data;

} CidTabEntry;

#define composeCidIndex(vcIndex, cid) (((vcIndex) << 8) | (cid))

#define AAL2_DMEM_TABLE_INDEX_MASK  0x01FF
#define POWER_OF_2_SHIFT 9

#endif /* AAL2TABLEDEFS_H */