[dragonfly.git] / contrib / tcpdump / ospf6.h

/* @(#) $Header: /tcpdump/master/tcpdump/ospf6.h,v 1.6 2002/12/11 07:13:56 guy Exp $ (LBL) */
/*
 * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
 *	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: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
 */
#define	OSPF_TYPE_UMD	0	/* UMd's special monitoring packets */
#define	OSPF_TYPE_HELLO	1	/* Hello */
#define	OSPF_TYPE_DB	2	/* Database Description */
#define	OSPF_TYPE_LSR	3	/* Link State Request */
#define	OSPF_TYPE_LSU	4	/* Link State Update */
#define	OSPF_TYPE_LSA	5	/* Link State Ack */
#define	OSPF_TYPE_MAX	6

/* Options *_options	*/
#define OSPF6_OPTION_V6	0x01	/* V6 bit: A bit for peeping tom */
#define OSPF6_OPTION_E	0x02	/* E bit: External routes advertised	*/
#define OSPF6_OPTION_MC	0x04	/* MC bit: Multicast capable */
#define OSPF6_OPTION_N	0x08	/* N bit: For type-7 LSA */
#define OSPF6_OPTION_R	0x10	/* R bit: Router bit */
#define OSPF6_OPTION_DC	0x20	/* DC bit: Demand circuits */


/* db_flags	*/
#define	OSPF6_DB_INIT		0x04	    /*	*/
#define	OSPF6_DB_MORE		0x02
#define	OSPF6_DB_MASTER		0x01

/* ls_type	*/
#define	LS_TYPE_ROUTER		1   /* router link */
#define	LS_TYPE_NETWORK		2   /* network link */
#define	LS_TYPE_INTER_AP	3   /* Inter-Area-Prefix */
#define	LS_TYPE_INTER_AR	4   /* Inter-Area-Router */
#define	LS_TYPE_ASE		5   /* ASE */
#define	LS_TYPE_GROUP		6   /* Group membership */
#define	LS_TYPE_TYPE7		7   /* Type 7 LSA */
#define	LS_TYPE_LINK		8   /* Link LSA */
#define	LS_TYPE_INTRA_AP	9   /* Intra-Area-Prefix */
#define	LS_TYPE_MAX		10
#define LS_TYPE_MASK		0x1fff

#define LS_SCOPE_LINKLOCAL	0x0000
#define LS_SCOPE_AREA		0x2000
#define LS_SCOPE_AS		0x4000
#define LS_SCOPE_MASK		0x6000

/*************************************************
 *
 * is the above a bug in the documentation?
 *
 *************************************************/


/* rla_link.link_type	*/
#define	RLA_TYPE_ROUTER		1   /* point-to-point to another router	*/
#define	RLA_TYPE_TRANSIT	2   /* connection to transit network	*/
#define RLA_TYPE_VIRTUAL	4   /* virtual link			*/

/* rla_flags	*/
#define	RLA_FLAG_B	0x01
#define	RLA_FLAG_E	0x02
#define	RLA_FLAG_V	0x04
#define	RLA_FLAG_W	0x08

/* sla_tosmetric breakdown	*/
#define	SLA_MASK_TOS		0x7f000000
#define	SLA_MASK_METRIC		0x00ffffff
#define SLA_SHIFT_TOS		24

/* asla_metric */
#define ASLA_FLAG_EXTERNAL	0x04000000
#define ASLA_FLAG_FWDADDR	0x02000000
#define ASLA_FLAG_ROUTETAG	0x01000000
#define	ASLA_MASK_METRIC	0x00ffffff

/* multicast vertex type */
#define	MCLA_VERTEX_ROUTER	1
#define	MCLA_VERTEX_NETWORK	2

typedef u_int32_t rtrid_t;

/* link state advertisement header */
struct lsa_hdr {
    u_int16_t ls_age;
    u_int16_t ls_type;
    rtrid_t ls_stateid;
    rtrid_t ls_router;
    u_int32_t ls_seq;
    u_int16_t ls_chksum;
    u_int16_t ls_length;
};

struct lsa_prefix {
    u_int8_t lsa_p_len;
    u_int8_t lsa_p_opt;
    u_int16_t lsa_p_mbz;
    u_int8_t lsa_p_prefix[4];
};

/* link state advertisement */
struct lsa {
    struct lsa_hdr ls_hdr;

    /* Link state types */
    union {
	/* Router links advertisements */
	struct {
	    union {
		u_int8_t flg;
		u_int32_t opt;
	    } rla_flgandopt;
#define rla_flags	rla_flgandopt.flg
#define rla_options	rla_flgandopt.opt
	    struct rlalink {
		u_int8_t link_type;
		u_int8_t link_zero[1];
		u_int16_t link_metric;
		u_int32_t link_ifid;
		u_int32_t link_nifid;
		rtrid_t link_nrtid;
	    } rla_link[1];		/* may repeat	*/
	} un_rla;

	/* Network links advertisements */
	struct {
	    u_int32_t nla_options;
	    rtrid_t nla_router[1];	/* may repeat	*/
	} un_nla;

	/* Inter Area Prefix LSA */
	struct {
	    u_int32_t inter_ap_metric;
	    struct lsa_prefix inter_ap_prefix[1];
	} un_inter_ap;

	/* AS external links advertisements */
	struct {
	    u_int32_t asla_metric;
	    struct lsa_prefix asla_prefix[1];
	    /* some optional fields follow */
	} un_asla;

#if 0
	/* Summary links advertisements */
	struct {
	    struct in_addr sla_mask;
	    u_int32_t sla_tosmetric[1];	/* may repeat	*/
	} un_sla;

	/* Multicast group membership */
	struct mcla {
	    u_int32_t mcla_vtype;
	    struct in_addr mcla_vid;
	} un_mcla[1];
#endif

	/* Type 7 LSA */

	/* Link LSA */
	struct llsa {
	    union {
		u_int8_t pri;
		u_int32_t opt;
	    } llsa_priandopt;
#define llsa_priority	llsa_priandopt.pri
#define llsa_options	llsa_priandopt.opt
	    struct in6_addr llsa_lladdr;
	    u_int32_t llsa_nprefix;
	    struct lsa_prefix llsa_prefix[1];
	} un_llsa;

	/* Intra-Area-Prefix */
	struct {
	    u_int16_t intra_ap_nprefix;
	    u_int16_t intra_ap_lstype;
	    rtrid_t intra_ap_lsid;
	    rtrid_t intra_ap_rtid;
	    struct lsa_prefix intra_ap_prefix[1];
	} un_intra_ap;
    } lsa_un;
};


/*
 * TOS metric struct (will be 0 or more in router links update)
 */
struct tos_metric {
    u_int8_t tos_type;
    u_int8_t tos_zero;
    u_int16_t tos_metric;
};

#define	OSPF_AUTH_SIZE	8

/*
 * the main header
 */
struct ospf6hdr {
    u_int8_t ospf6_version;
    u_int8_t ospf6_type;
    u_int16_t ospf6_len;
    rtrid_t ospf6_routerid;
    rtrid_t ospf6_areaid;
    u_int16_t ospf6_chksum;
    u_int8_t ospf6_instanceid;
    u_int8_t ospf6_rsvd;
    union {

	/* Hello packet */
	struct {
	    u_int32_t hello_ifid;
	    union {
		u_int8_t pri;
		u_int32_t opt;
	    } hello_priandopt;
#define hello_priority	hello_priandopt.pri
#define hello_options	hello_priandopt.opt
	    u_int16_t hello_helloint;
	    u_int16_t hello_deadint;
	    rtrid_t hello_dr;
	    rtrid_t hello_bdr;
	    rtrid_t hello_neighbor[1]; /* may repeat	*/
	} un_hello;

	/* Database Description packet */
	struct {
	    u_int32_t db_options;
	    u_int16_t db_mtu;
	    u_int8_t db_mbz;
	    u_int8_t db_flags;
	    u_int32_t db_seq;
	    struct lsa_hdr db_lshdr[1]; /* may repeat	*/
	} un_db;

	/* Link State Request */
	struct lsr {
	    u_int16_t ls_mbz;
	    u_int16_t ls_type;
	    rtrid_t ls_stateid;
	    rtrid_t ls_router;
	} un_lsr[1];		/* may repeat	*/

	/* Link State Update */
	struct {
	    u_int32_t lsu_count;
	    struct lsa lsu_lsa[1]; /* may repeat	*/
	} un_lsu;

	/* Link State Acknowledgement */
	struct {
	    struct lsa_hdr lsa_lshdr[1]; /* may repeat	*/
	} un_lsa ;
    } ospf6_un ;
};

#define	ospf6_hello	ospf6_un.un_hello
#define	ospf6_db	ospf6_un.un_db
#define	ospf6_lsr	ospf6_un.un_lsr
#define	ospf6_lsu	ospf6_un.un_lsu
#define	ospf6_lsa	ospf6_un.un_lsa
Commit	Line	Data
c8cf0f94 PA	1	/* @(#) $Header: /tcpdump/master/tcpdump/ospf6.h,v 1.6 2002/12/11 07:13:56 guy Exp $ (LBL) */
	2	/*
	3	* Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
	4	* The Regents of the University of California. All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that: (1) source code distributions
	8	* retain the above copyright notice and this paragraph in its entirety, (2)
	9	* distributions including binary code include the above copyright notice and
	10	* this paragraph in its entirety in the documentation or other materials
	11	* provided with the distribution, and (3) all advertising materials mentioning
	12	* features or use of this software display the following acknowledgement:
	13	* ``This product includes software developed by the University of California,
	14	* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
	15	* the University nor the names of its contributors may be used to endorse
	16	* or promote products derived from this software without specific prior
	17	* written permission.
	18	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
	19	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
	20	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	21	*
	22	* OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
	23	*/
	24	#define OSPF_TYPE_UMD 0 /* UMd's special monitoring packets */
	25	#define OSPF_TYPE_HELLO 1 /* Hello */
	26	#define OSPF_TYPE_DB 2 /* Database Description */
	27	#define OSPF_TYPE_LSR 3 /* Link State Request */
	28	#define OSPF_TYPE_LSU 4 /* Link State Update */
	29	#define OSPF_TYPE_LSA 5 /* Link State Ack */
	30	#define OSPF_TYPE_MAX 6
	31
	32	/* Options _options /
	33	#define OSPF6_OPTION_V6 0x01 /* V6 bit: A bit for peeping tom */
	34	#define OSPF6_OPTION_E 0x02 /* E bit: External routes advertised */
	35	#define OSPF6_OPTION_MC 0x04 /* MC bit: Multicast capable */
	36	#define OSPF6_OPTION_N 0x08 /* N bit: For type-7 LSA */
	37	#define OSPF6_OPTION_R 0x10 /* R bit: Router bit */
	38	#define OSPF6_OPTION_DC 0x20 /* DC bit: Demand circuits */
	39
	40
	41	/* db_flags */
	42	#define OSPF6_DB_INIT 0x04 /* */
	43	#define OSPF6_DB_MORE 0x02
	44	#define OSPF6_DB_MASTER 0x01
	45
	46	/* ls_type */
	47	#define LS_TYPE_ROUTER 1 /* router link */
	48	#define LS_TYPE_NETWORK 2 /* network link */
	49	#define LS_TYPE_INTER_AP 3 /* Inter-Area-Prefix */
	50	#define LS_TYPE_INTER_AR 4 /* Inter-Area-Router */
	51	#define LS_TYPE_ASE 5 /* ASE */
	52	#define LS_TYPE_GROUP 6 /* Group membership */
	53	#define LS_TYPE_TYPE7 7 /* Type 7 LSA */
	54	#define LS_TYPE_LINK 8 /* Link LSA */
	55	#define LS_TYPE_INTRA_AP 9 /* Intra-Area-Prefix */
	56	#define LS_TYPE_MAX 10
	57	#define LS_TYPE_MASK 0x1fff
	58
	59	#define LS_SCOPE_LINKLOCAL 0x0000
	60	#define LS_SCOPE_AREA 0x2000
	61	#define LS_SCOPE_AS 0x4000
	62	#define LS_SCOPE_MASK 0x6000
	63
	64	/*************************************************
65	*
66	* is the above a bug in the documentation?
67	*
68	*************************************************/
69
70
71	/* rla_link.link_type */
72	#define RLA_TYPE_ROUTER 1 /* point-to-point to another router */
73	#define RLA_TYPE_TRANSIT 2 /* connection to transit network */
74	#define RLA_TYPE_VIRTUAL 4 /* virtual link */
75
76	/* rla_flags */
77	#define RLA_FLAG_B 0x01
78	#define RLA_FLAG_E 0x02
79	#define RLA_FLAG_V 0x04
80	#define RLA_FLAG_W 0x08
81
82	/* sla_tosmetric breakdown */
83	#define SLA_MASK_TOS 0x7f000000
84	#define SLA_MASK_METRIC 0x00ffffff
85	#define SLA_SHIFT_TOS 24
86
87	/* asla_metric */
88	#define ASLA_FLAG_EXTERNAL 0x04000000
89	#define ASLA_FLAG_FWDADDR 0x02000000
90	#define ASLA_FLAG_ROUTETAG 0x01000000
91	#define ASLA_MASK_METRIC 0x00ffffff
92
93	/* multicast vertex type */
94	#define MCLA_VERTEX_ROUTER 1
95	#define MCLA_VERTEX_NETWORK 2
96
97	typedef u_int32_t rtrid_t;
98
99	/* link state advertisement header */
100	struct lsa_hdr {
101	u_int16_t ls_age;
102	u_int16_t ls_type;
103	rtrid_t ls_stateid;
104	rtrid_t ls_router;
105	u_int32_t ls_seq;
106	u_int16_t ls_chksum;
107	u_int16_t ls_length;
108	};
109
110	struct lsa_prefix {
111	u_int8_t lsa_p_len;
112	u_int8_t lsa_p_opt;
113	u_int16_t lsa_p_mbz;
114	u_int8_t lsa_p_prefix[4];
115	};
116
117	/* link state advertisement */
118	struct lsa {
119	struct lsa_hdr ls_hdr;
120
121	/* Link state types */
122	union {
123	/* Router links advertisements */
124	struct {
125	union {
126	u_int8_t flg;
127	u_int32_t opt;
128	} rla_flgandopt;
129	#define rla_flags rla_flgandopt.flg
130	#define rla_options rla_flgandopt.opt
131	struct rlalink {
132	u_int8_t link_type;
133	u_int8_t link_zero[1];
134	u_int16_t link_metric;
135	u_int32_t link_ifid;
136	u_int32_t link_nifid;
137	rtrid_t link_nrtid;
138	} rla_link[1]; /* may repeat */
139	} un_rla;
140
141	/* Network links advertisements */
142	struct {
143	u_int32_t nla_options;
144	rtrid_t nla_router[1]; /* may repeat */
145	} un_nla;
146
147	/* Inter Area Prefix LSA */
148	struct {
149	u_int32_t inter_ap_metric;
150	struct lsa_prefix inter_ap_prefix[1];
151	} un_inter_ap;
152
153	/* AS external links advertisements */
154	struct {
155	u_int32_t asla_metric;
156	struct lsa_prefix asla_prefix[1];
157	/* some optional fields follow */
158	} un_asla;
159
160	#if 0
161	/* Summary links advertisements */
162	struct {
163	struct in_addr sla_mask;
164	u_int32_t sla_tosmetric[1]; /* may repeat */
165	} un_sla;
166
167	/* Multicast group membership */
168	struct mcla {
169	u_int32_t mcla_vtype;
170	struct in_addr mcla_vid;
171	} un_mcla[1];
172	#endif
173
174	/* Type 7 LSA */
175
176	/* Link LSA */
177	struct llsa {
178	union {
179	u_int8_t pri;
180	u_int32_t opt;
181	} llsa_priandopt;
182	#define llsa_priority llsa_priandopt.pri
183	#define llsa_options llsa_priandopt.opt
184	struct in6_addr llsa_lladdr;
185	u_int32_t llsa_nprefix;
186	struct lsa_prefix llsa_prefix[1];
187	} un_llsa;
188
189	/* Intra-Area-Prefix */
190	struct {
191	u_int16_t intra_ap_nprefix;
192	u_int16_t intra_ap_lstype;
193	rtrid_t intra_ap_lsid;
194	rtrid_t intra_ap_rtid;
195	struct lsa_prefix intra_ap_prefix[1];
196	} un_intra_ap;
197	} lsa_un;
198	};
199
200
201	/*
202	* TOS metric struct (will be 0 or more in router links update)
203	*/
204	struct tos_metric {
205	u_int8_t tos_type;
206	u_int8_t tos_zero;
207	u_int16_t tos_metric;
208	};
209
210	#define OSPF_AUTH_SIZE 8
211
212	/*
213	* the main header
214	*/
215	struct ospf6hdr {
216	u_int8_t ospf6_version;
217	u_int8_t ospf6_type;
218	u_int16_t ospf6_len;
219	rtrid_t ospf6_routerid;
220	rtrid_t ospf6_areaid;
221	u_int16_t ospf6_chksum;
222	u_int8_t ospf6_instanceid;
223	u_int8_t ospf6_rsvd;
224	union {
225
226	/* Hello packet */
227	struct {
228	u_int32_t hello_ifid;
229	union {
230	u_int8_t pri;
231	u_int32_t opt;
232	} hello_priandopt;
233	#define hello_priority hello_priandopt.pri
234	#define hello_options hello_priandopt.opt
235	u_int16_t hello_helloint;
236	u_int16_t hello_deadint;
237	rtrid_t hello_dr;
238	rtrid_t hello_bdr;
239	rtrid_t hello_neighbor[1]; /* may repeat */
240	} un_hello;
241
242	/* Database Description packet */
243	struct {
244	u_int32_t db_options;
245	u_int16_t db_mtu;
246	u_int8_t db_mbz;
247	u_int8_t db_flags;
248	u_int32_t db_seq;
249	struct lsa_hdr db_lshdr[1]; /* may repeat */
250	} un_db;
251
252	/* Link State Request */
253	struct lsr {
254	u_int16_t ls_mbz;
255	u_int16_t ls_type;
256	rtrid_t ls_stateid;
257	rtrid_t ls_router;
258	} un_lsr[1]; /* may repeat */
259
260	/* Link State Update */
261	struct {
262	u_int32_t lsu_count;
263	struct lsa lsu_lsa[1]; /* may repeat */
264	} un_lsu;
265
266	/* Link State Acknowledgement */
267	struct {
268	struct lsa_hdr lsa_lshdr[1]; /* may repeat */
269	} un_lsa ;
270	} ospf6_un ;
271	};
272
273	#define ospf6_hello ospf6_un.un_hello
274	#define ospf6_db ospf6_un.un_db
275	#define ospf6_lsr ospf6_un.un_lsr
276	#define ospf6_lsu ospf6_un.un_lsu
277	#define ospf6_lsa ospf6_un.un_lsa
278