[apple/network_cmds.git] / rtadvd.tproj / rtadvd.h

/*	$KAME: rtadvd.h,v 1.16 2001/04/10 15:08:31 suz Exp $	*/

/*
 * Copyright (C) 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.
 *
 * $FreeBSD: src/usr.sbin/rtadvd/rtadvd.h,v 1.1.2.2 2001/07/03 11:02:14 ume Exp $
 */

#define ALLNODES "ff02::1"
#define ALLROUTERS_LINK "ff02::2"
#define ALLROUTERS_SITE "ff05::2"
#define ANY "::"
#define RTSOLLEN 8

/* protocol constants and default values */
#define DEF_MAXRTRADVINTERVAL 600
#define DEF_ADVLINKMTU 0
#define DEF_ADVREACHABLETIME 0
#define DEF_ADVRETRANSTIMER 0
#define DEF_ADVCURHOPLIMIT 64
#define DEF_ADVVALIDLIFETIME 2592000
#define DEF_ADVPREFERREDLIFETIME 604800

/*XXX int-to-double comparison for INTERVAL items */
#ifndef MIP6
#define mobileip6 0
#endif

#define MAXROUTERLIFETIME 9000
#define MIN_MAXINTERVAL (mobileip6 ? 1.5 : 4.0)
#define MAX_MAXINTERVAL 1800
#define MIN_MININTERVAL	(mobileip6 ? 0.5 : 3)
#define MAXREACHABLETIME 3600000

#ifndef MIP6
#undef miobileip6
#endif

#define MAX_INITIAL_RTR_ADVERT_INTERVAL  16
#define MAX_INITIAL_RTR_ADVERTISEMENTS    3
#define MAX_FINAL_RTR_ADVERTISEMENTS      3
#define MIN_DELAY_BETWEEN_RAS             3
#define MAX_RA_DELAY_TIME                 500000 /* usec */

#define PREFIX_FROM_KERNEL 1
#define PREFIX_FROM_CONFIG 2
#define PREFIX_FROM_DYNAMIC 3

struct prefix {
	struct prefix *next;	/* forward link */
	struct prefix *prev;	/* previous link */

	u_int32_t validlifetime; /* AdvValidLifetime */
	long	vltimeexpire;	/* expiration of vltime; decrement case only */
	u_int32_t preflifetime;	/* AdvPreferredLifetime */
	long	pltimeexpire;	/* expiration of pltime; decrement case only */
	u_int onlinkflg;	/* bool: AdvOnLinkFlag */
	u_int autoconfflg;	/* bool: AdvAutonomousFlag */
#ifdef MIP6
	u_int routeraddr;	/* bool: RouterAddress */
#endif
	int prefixlen;
	int origin;		/* from kernel or cofig */
	struct in6_addr prefix;
};

struct rtinfo {
	struct rtinfo *prev;	/* previous link */
	struct rtinfo *next;	/* forward link */

	u_int32_t ltime;	/* route lifetime */
	u_int rtpref;		/* router preference */
	int prefixlen;
	struct in6_addr prefix;
};

struct soliciter {
	struct soliciter *next;
	struct sockaddr_in6 addr;
};

struct	rainfo {
	/* pointer for list */
	struct	rainfo *next;

	/* timer related parameters */
	struct rtadvd_timer *timer;
	int initcounter; /* counter for the first few advertisements */
	struct timeval lastsent; /* timestamp when the latest RA was sent */
	int waiting;		/* number of RS waiting for RA */

	/* interface information */
	int	ifindex;
	int	advlinkopt;	/* bool: whether include link-layer addr opt */
	struct sockaddr_dl *sdl;
	char	ifname[16];
	int	phymtu;		/* mtu of the physical interface */

	/* Router configuration variables */
	u_short lifetime;	/* AdvDefaultLifetime */
	u_int	maxinterval;	/* MaxRtrAdvInterval */
	u_int	mininterval;	/* MinRtrAdvInterval */
	int 	managedflg;	/* AdvManagedFlag */
	int	otherflg;	/* AdvOtherConfigFlag */
#ifdef MIP6
	int	haflg;		/* HAFlag */
#endif
	int	rtpref;		/* router preference */
	u_int32_t linkmtu;	/* AdvLinkMTU */
	u_int32_t reachabletime; /* AdvReachableTime */
	u_int32_t retranstimer;	/* AdvRetransTimer */
	u_int	hoplimit;	/* AdvCurHopLimit */
	struct prefix prefix;	/* AdvPrefixList(link head) */
	int	pfxs;		/* number of prefixes */
	long	clockskew;	/* used for consisitency check of lifetimes */

#ifdef MIP6
	u_short	hapref;		/* Home Agent Preference */
	u_short	hatime;		/* Home Agent Lifetime */
#endif
	struct rtinfo route;	/* route information option (link head) */
	int	routes;		/* number of route information options */

	/* actual RA packet data and its length */
	size_t ra_datalen;
	u_char *ra_data;

	/* statistics */
	u_quad_t raoutput;	/* number of RAs sent */
	u_quad_t rainput;	/* number of RAs received */
	u_quad_t rainconsistent; /* number of RAs inconsistent with ours */
	u_quad_t rsinput;	/* number of RSs received */

	/* info about soliciter */
	struct soliciter *soliciter;	/* recent solication source */
};

void ra_timeout __P((void *));
void ra_timer_update __P((void *, struct timeval *));

int prefix_match __P((struct in6_addr *, int, struct in6_addr *, int));
struct rainfo *if_indextorainfo __P((int));

extern struct in6_addr in6a_site_allrouters;
#ifdef MIP6
extern int mobileip6;
#endif
Commit	Line	Data
7ba0088d A	1	/* $KAME: rtadvd.h,v 1.16 2001/04/10 15:08:31 suz Exp $ */
	2
	3	/*
	4	* Copyright (C) 1998 WIDE Project.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	* 1. Redistributions of source code must retain the above copyright
	11	* notice, this list of conditions and the following disclaimer.
	12	* 2. Redistributions in binary form must reproduce the above copyright
	13	* notice, this list of conditions and the following disclaimer in the
	14	* documentation and/or other materials provided with the distribution.
	15	* 3. Neither the name of the project nor the names of its contributors
	16	* may be used to endorse or promote products derived from this software
	17	* without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	20	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	21	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	22	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	23	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	24	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	25	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	26	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	27	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	28	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	29	* SUCH DAMAGE.
	30	*
	31	* $FreeBSD: src/usr.sbin/rtadvd/rtadvd.h,v 1.1.2.2 2001/07/03 11:02:14 ume Exp $
	32	*/
	33
	34	#define ALLNODES "ff02::1"
	35	#define ALLROUTERS_LINK "ff02::2"
	36	#define ALLROUTERS_SITE "ff05::2"
	37	#define ANY "::"
	38	#define RTSOLLEN 8
	39
	40	/* protocol constants and default values */
	41	#define DEF_MAXRTRADVINTERVAL 600
	42	#define DEF_ADVLINKMTU 0
	43	#define DEF_ADVREACHABLETIME 0
	44	#define DEF_ADVRETRANSTIMER 0
	45	#define DEF_ADVCURHOPLIMIT 64
	46	#define DEF_ADVVALIDLIFETIME 2592000
	47	#define DEF_ADVPREFERREDLIFETIME 604800
	48
	49	/XXX int-to-double comparison for INTERVAL items /
	50	#ifndef MIP6
	51	#define mobileip6 0
	52	#endif
	53
	54	#define MAXROUTERLIFETIME 9000
	55	#define MIN_MAXINTERVAL (mobileip6 ? 1.5 : 4.0)
	56	#define MAX_MAXINTERVAL 1800
	57	#define MIN_MININTERVAL (mobileip6 ? 0.5 : 3)
	58	#define MAXREACHABLETIME 3600000
	59
	60	#ifndef MIP6
	61	#undef miobileip6
	62	#endif
	63
	64	#define MAX_INITIAL_RTR_ADVERT_INTERVAL 16
65	#define MAX_INITIAL_RTR_ADVERTISEMENTS 3
66	#define MAX_FINAL_RTR_ADVERTISEMENTS 3
67	#define MIN_DELAY_BETWEEN_RAS 3
68	#define MAX_RA_DELAY_TIME 500000 /* usec */
69
70	#define PREFIX_FROM_KERNEL 1
71	#define PREFIX_FROM_CONFIG 2
72	#define PREFIX_FROM_DYNAMIC 3
73
74	struct prefix {
75	struct prefix next; / forward link */
76	struct prefix prev; / previous link */
77
78	u_int32_t validlifetime; /* AdvValidLifetime */
79	long vltimeexpire; /* expiration of vltime; decrement case only */
80	u_int32_t preflifetime; /* AdvPreferredLifetime */
81	long pltimeexpire; /* expiration of pltime; decrement case only */
82	u_int onlinkflg; /* bool: AdvOnLinkFlag */
83	u_int autoconfflg; /* bool: AdvAutonomousFlag */
84	#ifdef MIP6
85	u_int routeraddr; /* bool: RouterAddress */
86	#endif
87	int prefixlen;
88	int origin; /* from kernel or cofig */
89	struct in6_addr prefix;
90	};
91
92	struct rtinfo {
93	struct rtinfo prev; / previous link */
94	struct rtinfo next; / forward link */
95
96	u_int32_t ltime; /* route lifetime */
97	u_int rtpref; /* router preference */
98	int prefixlen;
99	struct in6_addr prefix;
100	};
101
102	struct soliciter {
103	struct soliciter *next;
104	struct sockaddr_in6 addr;
105	};
106
107	struct rainfo {
108	/* pointer for list */
109	struct rainfo *next;
110
111	/* timer related parameters */
112	struct rtadvd_timer *timer;
113	int initcounter; /* counter for the first few advertisements */
114	struct timeval lastsent; /* timestamp when the latest RA was sent */
115	int waiting; /* number of RS waiting for RA */
116
117	/* interface information */
118	int ifindex;
119	int advlinkopt; /* bool: whether include link-layer addr opt */
120	struct sockaddr_dl *sdl;
121	char ifname[16];
122	int phymtu; /* mtu of the physical interface */
123
124	/* Router configuration variables */
125	u_short lifetime; /* AdvDefaultLifetime */
126	u_int maxinterval; /* MaxRtrAdvInterval */
127	u_int mininterval; /* MinRtrAdvInterval */
128	int managedflg; /* AdvManagedFlag */
129	int otherflg; /* AdvOtherConfigFlag */
130	#ifdef MIP6
131	int haflg; /* HAFlag */
132	#endif
133	int rtpref; /* router preference */
134	u_int32_t linkmtu; /* AdvLinkMTU */
135	u_int32_t reachabletime; /* AdvReachableTime */
136	u_int32_t retranstimer; /* AdvRetransTimer */
137	u_int hoplimit; /* AdvCurHopLimit */
138	struct prefix prefix; /* AdvPrefixList(link head) */
139	int pfxs; /* number of prefixes */
140	long clockskew; /* used for consisitency check of lifetimes */
141
142	#ifdef MIP6
143	u_short hapref; /* Home Agent Preference */
144	u_short hatime; /* Home Agent Lifetime */
145	#endif
146	struct rtinfo route; /* route information option (link head) */
147	int routes; /* number of route information options */
148
149	/* actual RA packet data and its length */
150	size_t ra_datalen;
151	u_char *ra_data;
152
153	/* statistics */
154	u_quad_t raoutput; /* number of RAs sent */
155	u_quad_t rainput; /* number of RAs received */
156	u_quad_t rainconsistent; /* number of RAs inconsistent with ours */
157	u_quad_t rsinput; /* number of RSs received */
158
159	/* info about soliciter */
160	struct soliciter soliciter; / recent solication source */
161	};
162
163	void ra_timeout __P((void *));
164	void ra_timer_update __P((void , struct timeval ));
165
166	int prefix_match __P((struct in6_addr , int, struct in6_addr , int));
167	struct rainfo *if_indextorainfo __P((int));
168
169	extern struct in6_addr in6a_site_allrouters;
170	#ifdef MIP6
171	extern int mobileip6;
172	#endif