icirc.h

用于嵌入式系统的TCP/IP协议栈及若干服务

/*
*            Copyright (c) 1998-2001 by NETsilicon Inc.
*
*  This software is copyrighted by and is the sole property of
*  NETsilicon.  All rights, title, ownership, or other interests
*  in the software remain the property of NETsilicon.  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 Copyright notice may not be removed or modified without prior
*  written consent of NETsilicon.
*
*  NETsilicon, reserves the right to modify this software
*  without notice.
*
*  NETsilicon
*  411 Waverley Oaks Road                  USA 781.647.1234
*  Suite 227                               http://www.netsilicon.com
*  Waltham, MA 02452                       [e-mail]
*
*************************************************************************
*  $Name: Fusion 6.52 Fusion 6.51 $
*  $Date: 2001/09/20 10:32:03 $
*  $Source: M:/psisrc/routing/incl/rcs/icirc.h $
*  $Revision: 1.3 $
*************************************************************************
*  File Description: RR:Definitions for IP circuits routes 
*************************************************************************/

#ifndef __IP_CIRC_H__
#define __IP_CIRC_H__

/* circuit structure, one for each I/O channel */

typedef struct ip_circ{
	struct ip_circ		*rc_fwd;		/* link */
	struct ip_circ		*rc_bwd;		/* link */
	void				*rc_gptr;		/* environment use */
	int					rc_id;			/* numerical order*/
	void				*rc_magic;	    /* for ptpt ID */

	int					rc_maxlen;		/* MTU */
	int					rc_type;		/* type of circuit */
	int					rc_admst;		/* admin state */
	int					rc_state;		/* state of circuit */

	int					rc_arprsp;	    /* do arp rsp */
	int					rc_arpproxy;	/* do arp proxy */
	int					rc_flags;
	int					rc_mcastenl;	/* multicast enable */
	int					rc_mcastprot;

	IPNA   		     	rc_ipa[MAX_IF_IPADD];
	SNAD				rc_ladd;		/* data link addr */
	dword				rc_tput;
 #ifdef IPMULTI
	dword				rc_igmp_qint;	/* query int */
	dword				rc_igmp_qval;	/* current val */
	int					rc_igmp_version;
	int					rc_igmp_state;
	rripa					rc_igmp_querier;
	dword				rc_igmp_maxrsp;
	dword				rc_igmp_qptimeout;
	dword				rc_igmp_qpval;
	int					rc_igmp_leaveena;
	dword				rc_igmp_v1qt;
	counter				rc_igmp_wrongver;
	counter				rc_igmp_joins;
	counter				rc_igmp_leaves;
#endif
}ICIRC, *icirc_pt;

/*circuit types */
#define CIRC_ETH		1		/* EHTERNET TYPE */
#define CIRC_TR		    2		/* token ring type */
#define CIRC_TRGRP      4       /* tkn rng- group addr*/
#define CIRC_FDDI		8		/* FDDI */
#define CIRC_P2MP		0x40	/* pt 2 multipt */
#define CIRC_LEM		0x80	/* lan emulation (nbma)*/
/* these still need mac resolution, but std arp wont work */
#define CIRC_NON802	(RCIRC_P2MP | RCIRC_LEM)
#define CIRC_LAN		0xff	/* any multiaccess */
#define CIRC_PTPT		0x100	/* leased line or direct */
#define CIRC_VLNK       0x200   /* virtual link */

/*circuit states */
#define CIRC_DOWN		1		/* initial state */
#define CIRC_UP		    2		/* alive */
/*circuit physical states */
#define CIRC_DOWN       1       /* initial state */
#define CIRC_UP         2       /*alive or vc has route*/


/* Circuit events (Some files use one, some the other)*/
#define CEVENT_STATE        1
#define RCEVENT_STATE		1

/* routing metric defaults */
#define METRIC_DEF	0	/* default metric */

#define RCFLAG_RDISC      1
#define RCFLAG_G_AMSK     2

#endif /* __IP_CIRC_H__ */