in6_var.h

vxworks 6.x 的全部头文件

/* in6_var.h - IPv6 interface definitions */

/*
 * Copyright (c) 2001-2005 Wind River Systems, Inc.
 *
 * The right to copy, distribute, modify or otherwise make use
 * of this software may be licensed only pursuant to the terms
 * of an applicable Wind River license agreement.
 */

/*	$KAME: in6_var.h,v 1.107 2005/03/14 08:53:36 suz Exp $	*/
/*	$KAME: in6_var.h,v 1.103 2004/08/17 10:18:58 jinmei Exp $	*/
/*	$FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $	*/
/*	$KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $	*/

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Copyright (c) 1985, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)in_var.h	8.1 (Berkeley) 6/10/93
 */

/*
modification history
--------------------
01p,25jun05,dlk  Add ip6intrqJob declaration.
01o,20jun05,kch  Do not guard IN6_IFF_HOME and IN6_IFF_DEREGISTERING defines
                 with MIP6 build flag.
01n,24may05,vvv  updated for Kame merge
01m,13may05,nee  Add a IPv6 address flag IN6_IFF_SUBNETANYCAST.
01o,10may05,kch  Merged from Kame v 1.107.
01n,28apr05,kch  Moved addrsel_policyent structure definition here from
                 in6_src.c.
01m,20apr05,kch  Merged from comp_wn_ipv6_mld_interim-dev branch.
01l,16mar05,nee  Add SIOCSIFINFO_IN6
01k,07feb05,vvv  _KERNEL cleanup
01j,25jan05,vvv  fixed bitfield definitions (SPR #92171)
01i,21nov03,vvv  protected in6_prflags and in6_rrenumreq structures with INET6
01h,20nov03,niq  Remove copyright_wrs.h file inclusion
01g,05nov03,cdw  Removal of unnecessary _KERNEL guards.
01f,04nov03,rlm  Ran batch header path update for header re-org.
01e,03nov03,rlm  Removed wrn/coreip/ prefix from #includes for header re-org.
01d,12aug03,nee  Merging from label ACCORDION_BASE6_MERGE_BASELINE in
                 accordion codeline to Base6
01c,10jun03,vvv  include netVersion.h
01b,30apr03,syy  Added #ifdef for __cplusplus
01a,24jun02,ism  created new structure to hold the IPv6 MIB information
*/

#ifndef _NETINET6_IN6_VAR_H_
#define _NETINET6_IN6_VAR_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <netVersion.h>

#ifdef _WRS_KERNEL
#include <net/if_var.h>    /* needed for struct ifaddr */
#else
#include <net/if.h>        /* needed for IFNAMSIZ */
#endif

/*
 * Interface address, Internet version.  One of these structures
 * is allocated for each interface with an Internet address.
 * The ifaddr structure contains the protocol-independent part
 * of the structure and is assumed to be first.
 */

/*
 * pltime/vltime are just for future reference (required to implements 2
 * hour rule for hosts).  they should never be modified by nd6_timeout or
 * anywhere else.
 *	userland -> kernel: accept pltime/vltime
 *	kernel -> userland: throw up everything
 *	in kernel: modify preferred/expire only
 */
struct in6_addrlifetime {
	time_t ia6t_expire;	/* valid lifetime expiration time */
	time_t ia6t_preferred;	/* preferred lifetime expiration time */
	u_int32_t ia6t_vltime;	/* valid lifetime */
	u_int32_t ia6t_pltime;	/* prefix lifetime */
};

struct nd_ifinfo;
struct scope6_id;
struct in6_ifextra {
	struct in6_ifstat *in6_ifstat;
	struct icmp6_ifstat *icmp6_ifstat;
	struct nd_ifinfo *nd_ifinfo;
	struct scope6_id *scope6_id;
};

#ifdef MIP6
LIST_HEAD(mip6_bul_list, mip6_bul_internal); /* XXX */
#endif /* MIPS6 */

#ifdef _WRS_KERNEL
struct	in6_ifaddr {
	struct	ifaddr ia_ifa;		/* protocol-independent info */
#define	ia_ifp		ia_ifa.ifa_ifp
#define ia_flags	ia_ifa.ifa_flags
	struct	sockaddr_in6 ia_addr;	/* interface address */
	struct	sockaddr_in6 ia_net;	/* network number of interface */
	struct	sockaddr_in6 ia_dstaddr; /* space for destination addr */
	struct	sockaddr_in6 ia_prefixmask; /* prefix mask */
	u_int32_t ia_plen;		/* prefix length */
	struct	in6_ifaddr *ia_next;	/* next in6 list of IP6 addresses */
	int	ia6_flags;

	struct in6_addrlifetime ia6_lifetime;
	time_t	ia6_createtime; /* the creation time of this address, which is
				 * currently used for temporary addresses only.
				 */
	time_t	ia6_updatetime;

	/* back pointer to the ND prefix (for autoconfigured addresses only) */
	struct nd_prefix *ia6_ndpr;

	/* multicast addresses joined from the kernel */
	LIST_HEAD(, in6_multi_mship) ia6_memberships;

#ifdef MIP6
	/* binding update entreis for this address */
	struct mip6_bul_list ia6_mbul_list;
#endif /* MIP6 */	
};
#endif

/* control structure to manage address selection policy */
struct in6_addrpolicy {
	struct sockaddr_in6 addr; /* prefix address */
	struct sockaddr_in6 addrmask; /* prefix mask */
	int preced;		/* precedence */
	int label;		/* matching label */
	u_quad_t use;		/* statistics */
};

/*
 * The followings are implementation of the policy table using a
 * simple tail queue.
 * XXX such details should be hidden.
 * XXX implementation using binary tree should be more efficient.
 * This structure definition is moved from in6_src.c for 
 * virtualization needs.
 */
TAILQ_HEAD(addrsel_policyhead, addrsel_policyent); 
struct addrsel_policyent {
	TAILQ_ENTRY(addrsel_policyent) ape_entry;
	struct in6_addrpolicy ape_policy;
};

/*
 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
 */
struct in6_ifstat {
	u_quad_t ifs6_in_receive;	/* # of total input datagram */
	u_quad_t ifs6_in_hdrerr;	/* # of datagrams with invalid hdr */
	u_quad_t ifs6_in_toobig;	/* # of datagrams exceeded MTU */
	u_quad_t ifs6_in_noroute;	/* # of datagrams with no route */
	u_quad_t ifs6_in_addrerr;	/* # of datagrams with invalid dst */
	u_quad_t ifs6_in_protounknown;	/* # of datagrams with unknown proto */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_in_truncated;	/* # of truncated datagrams */
	u_quad_t ifs6_in_discard;	/* # of discarded datagrams */
					/* NOTE: fragment timeout is not here */
	u_quad_t ifs6_in_deliver;	/* # of datagrams delivered to ULP */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_out_forward;	/* # of datagrams forwarded */
					/* NOTE: increment on outgoing if */
	u_quad_t ifs6_out_request;	/* # of outgoing datagrams from ULP */
					/* NOTE: does not include forwrads */
	u_quad_t ifs6_out_discard;	/* # of discarded datagrams */
	u_quad_t ifs6_out_fragok;	/* # of datagrams fragmented */
	u_quad_t ifs6_out_fragfail;	/* # of datagrams failed on fragment */
	u_quad_t ifs6_out_fragcreat;	/* # of fragment datagrams */
					/* NOTE: this is # after fragment */
	u_quad_t ifs6_reass_reqd;	/* # of incoming fragmented packets */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_reass_ok;		/* # of reassembled packets */
					/* NOTE: this is # after reass */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_reass_fail;	/* # of reass failures */
					/* NOTE: may not be packet count */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_in_mcast;		/* # of inbound multicast datagrams */
	u_quad_t ifs6_out_mcast;	/* # of outbound multicast datagrams */
};

/*
* IPv6 Interface table, as defined in RFC 2465 Ipv6IfEntry
*/
#define DISPLAY_STR_SIZE     256
#define MAX_OID_SIZE          40
#define IF_IDENT_SIZE          8
#define MAX_PHY_ADDR_SIZE     16

struct in6_ifinfo {
        int                  ipv6IfIndex;
        char                 ipv6IfDescr[DISPLAY_STR_SIZE];
        unsigned char        ipv6IfLowerLayer[MAX_OID_SIZE] ;
        int                  ipv6IfLowerLayerLength;
        u_int32_t            ipv6IfEffectiveMtu ;
        u_int32_t            ipv6IfReasmMaxSize ;
        char                 ipv6IfIdentifier[IF_IDENT_SIZE];
        int                  ipv6IfIdentifierLength ;
        unsigned char        ipv6IfPhysicalAddress[MAX_PHY_ADDR_SIZE] ;
        int                  ipv6IfPhysicalAddressLen;
        int                  ipv6IfAdminStatus ;
        int                  ipv6IfOperStatus ;
        u_int                ipv6IfLastChange ;
};

/* Note that the in6_ifdata data structure is used by m2Ipv6IfTblEntryGet() 
 * and m2Ipv6IfTblEntrySet() only and may be obsolete in the future. The 
 * global _in6_ifdata is defunct.
 *
 * Revisit: RFC2465 defines ipv6IfEntry and ipv6IfStatsEntry as two separate 
 * tables. One the other hand, the m2Ipv6IfTblEntryGet() and 
 * m2Ipv6IfTblEntrySet() routine are used to manage both tables. From SNMP 
 * operation point of view, the Stub routine always make two separate calls 
 * if, for example, it needs to retrieve information for a given entry in both 
 * the ipv6IfEntry and ipv6IfStatsEntry. The m2Ipv6IfTblEntryGet(), however,