mip6_shisad.h

vxworks 6.x 的全部头文件

/* mip6_shisad.h - MIP6 basic data structure header file */

/* Copyright 2005 Wind River Systems, Inc. */

/*	$KAME: shisad.h,v 1.3 2004/12/27 10:50:33 t-momose Exp $	*/
/*
 * Copyright (C) 2004 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.
 */

/*
modification history
--------------------
01f,27sep05,tlu  comment out debug and numerichost variables
01e,01sep05,tlu  rename mip6 file name
01d,09aug05,tlu  rename mip6stat to _mip6stat
01c,24jun05,tlu  move out show routines and debugging routines
01b,14jun05,tlu  add _cplusplus condition
01a,20feb05,tlu  1st round of porting Kame MIP6
*/


#ifndef _SHISAD_H_
#define _SHISAD_H_

#ifdef __cplusplus
extern "C" {
#endif


/* Tong */
#include <netinet6/icmp6.h>

extern struct mip6_mninfo mninfo;
extern int mipsock, mhsock, icmp6sock;
extern struct _mip6stat mip6stat;
extern struct mip6_hinfo_list hoa_head;

/* protocol constants. */
#define DHAAD_RETRIES		4
#define MAX_BINDACK_TIMEOUT	32
#define INITIAL_DHAAD_TIMEOUT	3
#define INITIAL_BINDACK_TIMEOUT	1

#define MAX_DHAAD_TIMEOUT	(INITIAL_DHAAD_TIMEOUT << DHAAD_RETRIES)
#define INITIAL_HOTI_COTI_TIMEOUT	1
#define MAX_HOTI_COTI_TIMEOUT		32

/* protocol configuration variables. */
extern int initial_bindack_timeout_first_reg_count;

/* return routability parameters. */
#define MIP6_MAX_TOKEN_LIFE	210
#define MIP6_MAX_NONCE_LIFE	240
#define MIP6_COOKIE_SIZE	8
#define MIP6_TOKEN_SIZE		8
#define MIP6_NONCE_SIZE		8       /* recommended by the spec (5.2.2) */
					/* must be multiple of size of u_short */
#define MIP6_NODEKEY_SIZE	20      /* This size is specified at 5.2.1 in mip6 spec */
#define MIP6_NONCE_HISTORY	10
#define MIP6_NONCE_REFRESH	60
#define MIP6_BRR_INTERVAL	3
#define MIP6_KBM_SIZE		20
#define MIP6_AUTHENTICATOR_SIZE	12
#define MIP6_MAX_RR_BINDING_LIFE	420
#define MIP6_DEFAULT_BINDING_LIFE	10
#define MIP6_HOAOPT_PADLEN 4 /* length of Padding for HoA destination option */

typedef u_int8_t mip6_nonce_t[MIP6_NONCE_SIZE];
typedef u_int8_t mip6_nodekey_t[MIP6_NODEKEY_SIZE];
typedef u_int8_t mip6_cookie_t[MIP6_COOKIE_SIZE];
typedef u_int8_t mip6_token_t[MIP6_TOKEN_SIZE];
typedef u_int8_t mip6_kbm_t[MIP6_KBM_SIZE];
typedef u_int8_t mip6_authenticator_t[MIP6_AUTHENTICATOR_SIZE];

/* Macro for modulo 2^^16 comparison */
#define MIP6_LEQ(a,b)   ((int16_t)((a)-(b)) <= 0)

#define CND_PIDFILE	"/var/run/cnd.pid"
#define MND_PIDFILE	"/var/run/mnd.pid"
#define HAD_PIDFILE	"/var/run/had.pid"

#define MND_NORO_FILE 	"/etc/ro.deny"
#ifdef MIP_NEMO
#define NEMO_PTFILE 	"/etc/prefix_table.conf"
#endif /* MIP_NEMO */

#define _PATH_SHISADCONF	"/usr/local/v6/etc/shisad.conf"

/*
 * homeprefix_info -> homeprefix_info -> ...
 *      |
 *      +-ha_list -> ha_list -> ...
 */
struct home_agent_list {
	LIST_ENTRY(home_agent_list) hal_entry;

	/* common for mobile node and home agent */
        struct in6_addr hal_lladdr;  /* Link-local address of HA */
        struct in6_addr hal_ip6addr; /* global IPv6 address of HA */

	int             hal_flag;
#define MIP6_HAL_OWN    0x01
#define MIP6_HAL_STATIC 0x02

	/* HA exclusive field: it is used when ha receives RA */
	struct mip6_halist_ha_exclusive {
		u_int16_t halist_lifetime;   /* Remaining lifetime */
		u_int16_t halist_preference; /* Preference for this HA */
	} hal_for_ha;
#define hal_lifetime hal_for_ha.halist_lifetime
#define hal_preference hal_for_ha.halist_preference

        CALLOUT_HANDLE        hal_expire;   /* callout handle for expiration */
};
LIST_HEAD(home_agent_list_head, home_agent_list);

struct mip6_hpfxl {
	LIST_ENTRY(mip6_hpfxl) hpfx_entry;
	
	/* common for mobile node and home agent */
	struct in6_addr     hpfx_prefix;     /* home prefix (may
                                                contail full IPv6
                                                address) */
	u_int8_t            hpfx_prefixlen;  /* home prefix length */
	u_int8_t	    hpfx_flags;
	struct home_agent_list_head hpfx_hal_head;   /* home agent list head */

	/* mn exclusive field: it is used when mn receives MPA */
	struct mip6_hpfx_mn_exclusive {
		u_int32_t hpfxlist_vltime;
		time_t    hpfxlist_vlexpire;
		u_int32_t hpfxlist_pltime;
		time_t    hpfxlist_plexpire;
		time_t    hpfxlist_timeout;      /* expiration time */
		CALLOUT_HANDLE hpfxlist_retrans; /* callout handle for
                                                    retrans */
	} hpfx_for_mn;
#define hpfx_vltime   hpfx_for_mn.hpfxlist_vltime
#define hpfx_vlexpire hpfx_for_mn.hpfxlist_vlexpire
#define hpfx_pltime   hpfx_for_mn.hpfxlist_pltime
#define hpfx_plexpire hpfx_for_mn.hpfxlist_plexpire
#define hpfx_timeout  hpfx_for_mn.hpfxlist_timeout
#define hpfx_retrans  hpfx_for_mn.hpfxlist_retrans
};
LIST_HEAD(mip6_hpfx_list, mip6_hpfxl);

/* For Correspondent Node */
struct mip6_nonces_info {
	struct mip6_nonces_info *next, *prev;
	u_int16_t nonce_index;
	u_int8_t  nonce[MIP6_NONCE_SIZE];
	u_int8_t  node_key[MIP6_NODEKEY_SIZE];
	time_t	  nonce_lasttime; /*  generated time */
};

/*
 * Per Home Address 
 *  hoa_info: Home Address Information
 *    +- bul: Binding Update List
 *
 * Per Home Link 
 *  mip_if: Virtual IF information
 *    +- hpfx: Home Prefix List
 *        +- hal: Home Agent List
 *
 * hoa_info ---> hoa_info -> hoa_info.. 
 *    +      
 *    +--bul -> bul -> bul..
 *    |
 *    +--mpfx -> mpfx -> mpfx.. (NEMO only)
 *
 * mip_if -> mip_if -> mip_if..
 *   +
 *   +-- hpfx -> hpfx -> hpfx..
 *        +-- hal -> hal -> hal..
 */
LIST_HEAD(binding_update_list_head, binding_update_list);
struct binding_update_list {
	LIST_ENTRY(binding_update_list) bul_entry;
	struct in6_addr     bul_peeraddr;   /* peer addr of this BU */
	struct in6_addr     bul_coa;        /* CoA */
	u_int16_t           bul_lifetime;   /* BU lifetime */
	u_int16_t           bul_refresh;    /* refresh frequency */
	u_int16_t           bul_seqno;      /* sequence number */
	u_int16_t           bul_flags;      /* BU flags */

	/* The last time when mn sent the BU */
	time_t		    bul_bu_lastsent;

	mip6_cookie_t       bul_home_cookie;
	u_int16_t           bul_home_nonce_index;
	mip6_token_t        bul_home_token;   /* home keygen token */

	mip6_cookie_t       bul_careof_cookie;
	u_int16_t           bul_careof_nonce_index;
	mip6_token_t        bul_careof_token; /* careof keygen token */

	struct mip6_hoainfo *bul_hoainfo; /* backpointer to hoa_info */
	int                 bul_home_ifindex; /* ifindex of home network */

	u_int8_t            bul_reg_fsm_state;/* registration state */
	u_int8_t            bul_rr_fsm_state; /* rr state */

	CALLOUT_HANDLE      bul_retrans;      /* callout handle for retrans */
	u_int8_t            bul_retrans_time;
	CALLOUT_HANDLE      bul_expire;       /* callout handle for failure */
	u_int8_t            bul_state;        /* local status */