mpltaskvlaninternal.h

NATIONAL公司DP83816芯片Linux下驱动

//**********************************************************************
//
//  MPLTASKVLANINTERNAL.H
//
//  Copyright (c) 2004 National Semiconductor Corporation.
//  All Rights Reserved
//
//  This is the internal file with definitions meant for VLAN task
//
//**********************************************************************

#ifndef _MPL_TASK_VLAN_INTERNAL_H
#define _MPL_TASK_VLAN_INTERNAL_H

// Defines table size - This ensure perfect match (total VLAN-id
//  bits = 12
#define MAX_VLAN_FILTER_ROWS  512
#define MAX_VLAN_FILTER_COLS  8

#define VLAN_MAX_PRIORITY  7
#define VLAN_MAX_ID        4095

// VTCI Format = (msb) vlanid[7:0], prio[2:0], CFI, vlanid[11:8] (lsb)
#define VLAN_MAKE_TAG(pktId, pktPri) \
   (((((pktId) & 0xff) << 8)  | (((pktId) & 0xf00) >> 8)) | (((pktPri) & 0x7) << 5));
   
#define VLAN_BREAK_TAG(extSts, ppktId, ppktPri) \
   *ppktId = ((((extSts) & 0xff00) >> 8) | (((extSts) & 0x000f) << 8)); \
   *ppktPri = (((extSts) & 0xe0) >> 5);

typedef struct MPL_TASK_VLAN_CTX {
   
   NS_BOOLEAN   enable; // Feature enable tracker
   NS_UINT      cfg; // Current config
   NS_UINT8     filterTable[MAX_FILTER_ROWS][MAX_FILTER_COLS];
   
} MPL_TASK_VLAN_CTX;

#endif //_MPL_TASK_VLAN_INTERNAL_H