[apple/network_cmds.git] / tcpdump.tproj / ospf.h

/*
 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1991, 1993, 1994, 1995, 1996
 *	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 OSPF_OPTION_T	0x01	/* T bit: TOS support	*/
#define OSPF_OPTION_E	0x02	/* E bit: External routes advertised	*/
#define	OSPF_OPTION_MC	0x04	/* MC bit: Multicast capable */

/* ospf_authtype	*/
#define	OSPF_AUTH_NONE		0	/* No auth-data */
#define	OSPF_AUTH_SIMPLE	1	/* Simple password */

/* db_flags	*/
#define	OSPF_DB_INIT		0x04	    /*	*/
#define	OSPF_DB_MORE		0x02
#define	OSPF_DB_MASTER		0x01

/* ls_type	*/
#define	LS_TYPE_ROUTER		1   /* router link */
#define	LS_TYPE_NETWORK		2   /* network link */
#define	LS_TYPE_SUM_IP		3   /* summary link */
#define	LS_TYPE_SUM_ABR		4   /* summary area link */
#define	LS_TYPE_ASE		5   /* ASE  */
#define	LS_TYPE_GROUP		6   /* Group membership (multicast */
				    /* extensions 23 July 1991) */
#define	LS_TYPE_MAX		7

/*************************************************
 *
 * 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_STUB		3   /* connection to stub network	*/
#define RLA_TYPE_VIRTUAL	4   /* virtual link			*/

/* rla_flags	*/
#define	RLA_FLAG_B	0x01
#define	RLA_FLAG_E	0x02
#define	RLA_FLAG_W1	0x04
#define	RLA_FLAG_W2	0x08

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

/* asla_tosmetric breakdown	*/
#define	ASLA_FLAG_EXTERNAL	0x80000000
#define	ASLA_MASK_TOS		0x7f000000
#define	ASLA_SHIFT_TOS		24
#define	ASLA_MASK_METRIC	0x00ffffff

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

/* link state advertisement header */
struct lsa_hdr {
    u_short ls_age;
    u_char ls_options;
    u_char ls_type;
    struct in_addr ls_stateid;
    struct in_addr ls_router;
    u_int32_t ls_seq;
    u_short ls_chksum;
    u_short ls_length;
} ;

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

    /* Link state types */
    union {
	/* Router links advertisements */
	struct {
	    u_char rla_flags;
	    u_char rla_zero[1];
	    u_short rla_count;
	    struct rlalink {
		struct in_addr link_id;
		struct in_addr link_data;
		u_char link_type;
		u_char link_toscount;
		u_short link_tos0metric;
	    } rla_link[1];		/* may repeat	*/
	} un_rla;

	/* Network links advertisements */
	struct {
	    struct in_addr nla_mask;
	    struct in_addr nla_router[1];	/* may repeat	*/
	} un_nla;

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

	/* AS external links advertisements */
	struct {
	    struct in_addr asla_mask;
	    struct aslametric {
		u_int32_t asla_tosmetric;
		struct in_addr asla_forward;
		struct in_addr asla_tag;
	    } asla_metric[1];		/* may repeat	*/
	} un_asla;

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


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

#define	OSPF_AUTH_SIZE	8

/*
 * the main header
 */
struct ospfhdr {
    u_char ospf_version;
    u_char ospf_type;
    u_short ospf_len;
    struct in_addr ospf_routerid;
    struct in_addr ospf_areaid;
    u_short ospf_chksum;
    u_short ospf_authtype;
    u_char ospf_authdata[OSPF_AUTH_SIZE];
    union {

	/* Hello packet */
	struct {
	    struct in_addr hello_mask;
	    u_short hello_helloint;
	    u_char hello_options;
	    u_char hello_priority;
	    u_int32_t hello_deadint;
	    struct in_addr hello_dr;
	    struct in_addr hello_bdr;
	    struct in_addr hello_neighbor[1]; /* may repeat	*/
	} un_hello;

	/* Database Description packet */
	struct {
	    u_char db_zero[2];
	    u_char db_options;
	    u_char db_flags;
	    u_int32_t db_seq;
	    struct lsa_hdr db_lshdr[1]; /* may repeat	*/
	} un_db;

	/* Link State Request */
	struct lsr {
	    u_int32_t ls_type;
	    struct in_addr ls_stateid;
	    struct in_addr 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 ;
    } ospf_un ;
} ;

#define	ospf_hello	ospf_un.un_hello
#define	ospf_db		ospf_un.un_db
#define	ospf_lsr	ospf_un.un_lsr
#define	ospf_lsu	ospf_un.un_lsu
#define	ospf_lsa	ospf_un.un_lsa
Commit	Line	Data
b7080c8e A	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
	7	* Reserved. This file contains Original Code and/or Modifications of
	8	* Original Code as defined in and that are subject to the Apple Public
	9	* Source License Version 1.0 (the 'License'). You may not use this file
	10	* except in compliance with the License. Please obtain a copy of the
	11	* License at http://www.apple.com/publicsource and read it before using
	12	* this file.
	13	*
	14	* The Original Code and all software distributed under the License are
	15	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	16	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	17	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	19	* License for the specific language governing rights and limitations
	20	* under the License."
	21	*
	22	* @APPLE_LICENSE_HEADER_END@
	23	*/
	24	/*
	25	* Copyright (c) 1991, 1993, 1994, 1995, 1996
	26	* The Regents of the University of California. All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that: (1) source code distributions
	30	* retain the above copyright notice and this paragraph in its entirety, (2)
	31	* distributions including binary code include the above copyright notice and
	32	* this paragraph in its entirety in the documentation or other materials
	33	* provided with the distribution, and (3) all advertising materials mentioning
	34	* features or use of this software display the following acknowledgement:
	35	* ``This product includes software developed by the University of California,
	36	* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
	37	* the University nor the names of its contributors may be used to endorse
	38	* or promote products derived from this software without specific prior
	39	* written permission.
	40	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
	41	* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
	42	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	43	*
	44	* OSPF support contributed by Jeffrey Honig (jch@mitchell.cit.cornell.edu)
	45	*/
	46	#define OSPF_TYPE_UMD 0 /* UMd's special monitoring packets */
	47	#define OSPF_TYPE_HELLO 1 /* Hello */
	48	#define OSPF_TYPE_DB 2 /* Database Description */
	49	#define OSPF_TYPE_LSR 3 /* Link State Request */
	50	#define OSPF_TYPE_LSU 4 /* Link State Update */
	51	#define OSPF_TYPE_LSA 5 /* Link State Ack */
	52	#define OSPF_TYPE_MAX 6
	53
	54	/* Options _options /
	55	#define OSPF_OPTION_T 0x01 /* T bit: TOS support */
	56	#define OSPF_OPTION_E 0x02 /* E bit: External routes advertised */
	57	#define OSPF_OPTION_MC 0x04 /* MC bit: Multicast capable */
	58
	59	/* ospf_authtype */
	60	#define OSPF_AUTH_NONE 0 /* No auth-data */
	61	#define OSPF_AUTH_SIMPLE 1 /* Simple password */
	62
	63	/* db_flags */
	64	#define OSPF_DB_INIT 0x04 /* */
65	#define OSPF_DB_MORE 0x02
66	#define OSPF_DB_MASTER 0x01
67
68	/* ls_type */
69	#define LS_TYPE_ROUTER 1 /* router link */
70	#define LS_TYPE_NETWORK 2 /* network link */
71	#define LS_TYPE_SUM_IP 3 /* summary link */
72	#define LS_TYPE_SUM_ABR 4 /* summary area link */
73	#define LS_TYPE_ASE 5 /* ASE */
74	#define LS_TYPE_GROUP 6 /* Group membership (multicast */
75	/* extensions 23 July 1991) */
76	#define LS_TYPE_MAX 7
77
78	/*************************************************
79	*
80	* is the above a bug in the documentation?
81	*
82	*************************************************/
83
84
85	/* rla_link.link_type */
86	#define RLA_TYPE_ROUTER 1 /* point-to-point to another router */
87	#define RLA_TYPE_TRANSIT 2 /* connection to transit network */
88	#define RLA_TYPE_STUB 3 /* connection to stub network */
89	#define RLA_TYPE_VIRTUAL 4 /* virtual link */
90
91	/* rla_flags */
92	#define RLA_FLAG_B 0x01
93	#define RLA_FLAG_E 0x02
94	#define RLA_FLAG_W1 0x04
95	#define RLA_FLAG_W2 0x08
96
97	/* sla_tosmetric breakdown */
98	#define SLA_MASK_TOS 0x7f000000
99	#define SLA_MASK_METRIC 0x00ffffff
100	#define SLA_SHIFT_TOS 24
101
102	/* asla_tosmetric breakdown */
103	#define ASLA_FLAG_EXTERNAL 0x80000000
104	#define ASLA_MASK_TOS 0x7f000000
105	#define ASLA_SHIFT_TOS 24
106	#define ASLA_MASK_METRIC 0x00ffffff
107
108	/* multicast vertex type */
109	#define MCLA_VERTEX_ROUTER 1
110	#define MCLA_VERTEX_NETWORK 2
111
112	/* link state advertisement header */
113	struct lsa_hdr {
114	u_short ls_age;
115	u_char ls_options;
116	u_char ls_type;
117	struct in_addr ls_stateid;
118	struct in_addr ls_router;
119	u_int32_t ls_seq;
120	u_short ls_chksum;
121	u_short ls_length;
122	} ;
123
124	/* link state advertisement */
125	struct lsa {
126	struct lsa_hdr ls_hdr;
127
128	/* Link state types */
129	union {
130	/* Router links advertisements */
131	struct {
132	u_char rla_flags;
133	u_char rla_zero[1];
134	u_short rla_count;
135	struct rlalink {
136	struct in_addr link_id;
137	struct in_addr link_data;
138	u_char link_type;
139	u_char link_toscount;
140	u_short link_tos0metric;
141	} rla_link[1]; /* may repeat */
142	} un_rla;
143
144	/* Network links advertisements */
145	struct {
146	struct in_addr nla_mask;
147	struct in_addr nla_router[1]; /* may repeat */
148	} un_nla;
149
150	/* Summary links advertisements */
151	struct {
152	struct in_addr sla_mask;
153	u_int32_t sla_tosmetric[1]; /* may repeat */
154	} un_sla;
155
156	/* AS external links advertisements */
157	struct {
158	struct in_addr asla_mask;
159	struct aslametric {
160	u_int32_t asla_tosmetric;
161	struct in_addr asla_forward;
162	struct in_addr asla_tag;
163	} asla_metric[1]; /* may repeat */
164	} un_asla;
165
166	/* Multicast group membership */
167	struct mcla {
168	u_int32_t mcla_vtype;
169	struct in_addr mcla_vid;
170	} un_mcla[1];
171	} lsa_un;
172	} ;
173
174
175	/*
176	* TOS metric struct (will be 0 or more in router links update)
177	*/
178	struct tos_metric {
179	u_char tos_type;
180	u_char tos_zero;
181	u_short tos_metric;
182	} ;
183
184	#define OSPF_AUTH_SIZE 8
185
186	/*
187	* the main header
188	*/
189	struct ospfhdr {
190	u_char ospf_version;
191	u_char ospf_type;
192	u_short ospf_len;
193	struct in_addr ospf_routerid;
194	struct in_addr ospf_areaid;
195	u_short ospf_chksum;
196	u_short ospf_authtype;
197	u_char ospf_authdata[OSPF_AUTH_SIZE];
198	union {
199
200	/* Hello packet */
201	struct {
202	struct in_addr hello_mask;
203	u_short hello_helloint;
204	u_char hello_options;
205	u_char hello_priority;
206	u_int32_t hello_deadint;
207	struct in_addr hello_dr;
208	struct in_addr hello_bdr;
209	struct in_addr hello_neighbor[1]; /* may repeat */
210	} un_hello;
211
212	/* Database Description packet */
213	struct {
214	u_char db_zero[2];
215	u_char db_options;
216	u_char db_flags;
217	u_int32_t db_seq;
218	struct lsa_hdr db_lshdr[1]; /* may repeat */
219	} un_db;
220
221	/* Link State Request */
222	struct lsr {
223	u_int32_t ls_type;
224	struct in_addr ls_stateid;
225	struct in_addr ls_router;
226	} un_lsr[1]; /* may repeat */
227
228	/* Link State Update */
229	struct {
230	u_int32_t lsu_count;
231	struct lsa lsu_lsa[1]; /* may repeat */
232	} un_lsu;
233
234	/* Link State Acknowledgement */
235	struct {
236	struct lsa_hdr lsa_lshdr[1]; /* may repeat */
237	} un_lsa ;
238	} ospf_un ;
239	} ;
240
241	#define ospf_hello ospf_un.un_hello
242	#define ospf_db ospf_un.un_db
243	#define ospf_lsr ospf_un.un_lsr
244	#define ospf_lsu ospf_un.un_lsu
245	#define ospf_lsa ospf_un.un_lsa
246