/*	$KAME: dhcp6.h,v 1.32 2002/07/04 15:03:19 jinmei Exp $	*//* * Copyright (C) 1998 and 1999 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. *//* * draft-ietf-dhc-dhcpv6-26 */#ifndef __DHCP6_H_DEFINED#define __DHCP6_H_DEFINED/* Error Values */#define DH6ERR_FAILURE		16#define DH6ERR_AUTHFAIL		17#define DH6ERR_POORLYFORMED	18#define DH6ERR_UNAVAIL		19#define DH6ERR_OPTUNAVAIL	20/* Message type */#define DH6_SOLICIT	1#define DH6_ADVERTISE	2#define DH6_REQUEST	3#define DH6_RENEW	5#define DH6_REBIND	6#define DH6_REPLY	7#define DH6_INFORM_REQ	11/* Predefined addresses */#define DH6ADDR_ALLAGENT	"ff02::1:2"#define DH6ADDR_ALLSERVER	"ff05::1:3"#define DH6PORT_DOWNSTREAM	"546"#define DH6PORT_UPSTREAM	"547"/* Protocol constants *//* timer parameters (msec, unless explicitly commented) */#define MIN_SOL_DELAY	1000#define MAX_SOL_DELAY	5000#define SOL_TIMEOUT	500#define SOL_MAX_RT	30000#define INF_TIMEOUT	500#define INF_MAX_RT	30000#define REQ_TIMEOUT	250#define REQ_MAX_RT	30000#define REQ_MAX_RC	10	/* Max Request retry attempts */#define REN_TIMEOUT	10000	/* 10secs */#define REN_MAX_RT	600000	/* 600secs */#define REB_TIMEOUT	10000	/* 10secs */#define REB_MAX_RT	600000	/* 600secs */#define DHCP6_DURATITION_INFINITE 0xffffffff/* Internal data structure *//* DUID: DHCP unique Identifier */struct duid {	int duid_len;		/* length */	char *duid_id;		/* variable length ID value (must be opaque) */};/* option information */struct dhcp6_prefix {		/* delegated prefix information */	struct in6_addr addr;	int plen;	u_int32_t duration;};struct dhcp6_listval {	TAILQ_ENTRY(dhcp6_listval) link;	union {		int uv_num;		struct in6_addr uv_addr6;		struct dhcp6_prefix uv_prefix6;	} uv;};#define val_num uv.uv_num#define val_addr6 uv.uv_addr6#define val_prefix6 uv.uv_prefix6TAILQ_HEAD(dhcp6_list, dhcp6_listval);typedef enum { DHCP6_LISTVAL_NUM, DHCP6_LISTVAL_ADDR6,	       DHCP6_LISTVAL_PREFIX6 } dhcp6_listval_type_t;struct dhcp6_optinfo {	struct duid clientID;	/* DUID */	struct duid serverID;	/* DUID */	int rapidcommit;	/* bool */	int pref;		/* server preference */	struct dhcp6_list reqopt_list; /*  options in option request */	struct dhcp6_list stcode_list; /* status code */	struct dhcp6_list dns_list; /* DNS server list */	struct dhcp6_list prefix_list; /* prefix list */};/* DHCP6 base packet format */struct dhcp6 {	union {		u_int8_t m;		u_int32_t x;	} dh6_msgtypexid;	/* options follow */} __attribute__ ((__packed__));#define dh6_msgtype	dh6_msgtypexid.m#define dh6_xid		dh6_msgtypexid.x#define DH6_XIDMASK	0x00ffffff/* options */#define DH6OPT_CLIENTID	1#define DH6OPT_SERVERID	2#define DH6OPT_IA 3#define DH6OPT_IA_TMP 4#define DH6OPT_IADDR 5#define DH6OPT_ORO 6#define DH6OPT_PREFERENCE 7#  define DH6OPT_PREF_UNDEF -1#  define DH6OPT_PREF_MAX 255#define DH6OPT_ELAPSED_TIME 8#define DH6OPT_CLIENT_MSG 9#define DH6OPT_SERVER_MSG 10#define DH6OPT_AUTH 11#define DH6OPT_UNICAST 12#define DH6OPT_STATUS_CODE 13#  define DH6OPT_STCODE_SUCCESS 0#  define DH6OPT_STCODE_UNSPECFAIL 1#  define DH6OPT_STCODE_AUTHFAILED 2#  define DH6OPT_STCODE_ADDRUNAVAIL 3#  define DH6OPT_STCODE_NOADDRAVAIL 4#  define DH6OPT_STCODE_NOBINDING 5#  define DH6OPT_STCODE_CONFNOMATCH 6#  define DH6OPT_STCODE_NOTONLINK 7#  define DH6OPT_STCODE_USEMULTICAST 8#define DH6OPT_RAPID_COMMIT 14#define DH6OPT_USER_CLASS 15#define DH6OPT_VENDOR_CLASS 16#define DH6OPT_VENDOR_OPTS 17#define DH6OPT_INTERFACE_ID 18#define DH6OPT_RECONF_MSG 19/* * The option type has not been assigned for the following options. * We temporarily adopt values used in the service specification document * (200206xx version) by NTT Communications as default values. * Note that we'll fix the following definitions when official values are * assigned. */#define DH6OPT_DNS CONF_DH6OPT_DNS#define DH6OPT_PREFIX_DELEGATION CONF_DH6OPT_PREFIX_DELEGATION#define DH6OPT_PREFIX_INFORMATION CONF_DH6OPT_PREFIX_INFORMATION#define DH6OPT_PREFIX_REQUEST CONF_DH6OPT_PREFIX_REQUESTstruct dhcp6opt {	u_int16_t dh6opt_type;	u_int16_t dh6opt_len;	/* type-dependent data follows */} __attribute__ ((__packed__));/* DUID type 1 */struct dhcp6_duid_type1 {	u_int16_t dh6duid1_type;	u_int16_t dh6duid1_hwtype;	u_int32_t dh6duid1_time;	/* link-layer address follows */} __attribute__ ((__packed__));/* Prefix Information */struct dhcp6_prefix_info {	u_int16_t dh6_pi_type;	u_int16_t dh6_pi_len;	u_int32_t dh6_pi_duration;	u_int8_t dh6_pi_plen;	struct in6_addr dh6_pi_paddr;} __attribute__ ((__packed__));#endif /*__DHCP6_H_DEFINED*/