sbin/newfs_hammer2: Remove "m:" from getopt(3)
[dragonfly.git] / contrib / tcpdump / ospf.h
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ea7b4bf5 1/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.23 2007-10-08 07:53:21 hannes Exp $ (LBL) */
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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_DD 2 /* Database Description */
27#define OSPF_TYPE_LS_REQ 3 /* Link State Request */
28#define OSPF_TYPE_LS_UPDATE 4 /* Link State Update */
29#define OSPF_TYPE_LS_ACK 5 /* Link State Ack */
30
31/* Options field
32 *
33 * +------------------------------------+
ea7b4bf5 34 * | DN | O | DC | L | N/P | MC | E | T |
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35 * +------------------------------------+
36 *
37 */
38
39#define OSPF_OPTION_T 0x01 /* T bit: TOS support */
40#define OSPF_OPTION_E 0x02 /* E bit: External routes advertised */
41#define OSPF_OPTION_MC 0x04 /* MC bit: Multicast capable */
42#define OSPF_OPTION_NP 0x08 /* N/P bit: NSSA capable */
43#define OSPF_OPTION_EA 0x10 /* EA bit: External Attribute capable */
ea7b4bf5 44#define OSPF_OPTION_L 0x10 /* L bit: Packet contains LLS data block */
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45#define OSPF_OPTION_DC 0x20 /* DC bit: Demand circuit capable */
46#define OSPF_OPTION_O 0x40 /* O bit: Opaque LSA capable */
47#define OSPF_OPTION_DN 0x80 /* DN bit: Up/Down Bit capable - draft-ietf-ospf-2547-dnbit-04 */
48
49/* ospf_authtype */
50#define OSPF_AUTH_NONE 0 /* No auth-data */
51#define OSPF_AUTH_SIMPLE 1 /* Simple password */
66170f0a 52#define OSPF_AUTH_SIMPLE_LEN 8 /* max length of simple authentication */
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53#define OSPF_AUTH_MD5 2 /* MD5 authentication */
54#define OSPF_AUTH_MD5_LEN 16 /* length of MD5 authentication */
55
56/* db_flags */
ea7b4bf5 57#define OSPF_DB_INIT 0x04
c8cf0f94 58#define OSPF_DB_MORE 0x02
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59#define OSPF_DB_MASTER 0x01
60#define OSPF_DB_RESYNC 0x08 /* RFC4811 */
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61
62/* ls_type */
63#define LS_TYPE_ROUTER 1 /* router link */
64#define LS_TYPE_NETWORK 2 /* network link */
65#define LS_TYPE_SUM_IP 3 /* summary link */
66#define LS_TYPE_SUM_ABR 4 /* summary area link */
67#define LS_TYPE_ASE 5 /* ASE */
68#define LS_TYPE_GROUP 6 /* Group membership (multicast */
69 /* extensions 23 July 1991) */
70#define LS_TYPE_NSSA 7 /* rfc3101 - Not so Stubby Areas */
71#define LS_TYPE_OPAQUE_LL 9 /* rfc2370 - Opaque Link Local */
72#define LS_TYPE_OPAQUE_AL 10 /* rfc2370 - Opaque Link Local */
73#define LS_TYPE_OPAQUE_DW 11 /* rfc2370 - Opaque Domain Wide */
74
75#define LS_OPAQUE_TYPE_TE 1 /* rfc3630 */
76#define LS_OPAQUE_TYPE_GRACE 3 /* rfc3623 */
77#define LS_OPAQUE_TYPE_RI 4 /* draft-ietf-ospf-cap-03 */
78
79#define LS_OPAQUE_TE_TLV_ROUTER 1 /* rfc3630 */
80#define LS_OPAQUE_TE_TLV_LINK 2 /* rfc3630 */
81
82#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE 1 /* rfc3630 */
83#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_ID 2 /* rfc3630 */
84#define LS_OPAQUE_TE_LINK_SUBTLV_LOCAL_IP 3 /* rfc3630 */
85#define LS_OPAQUE_TE_LINK_SUBTLV_REMOTE_IP 4 /* rfc3630 */
86#define LS_OPAQUE_TE_LINK_SUBTLV_TE_METRIC 5 /* rfc3630 */
87#define LS_OPAQUE_TE_LINK_SUBTLV_MAX_BW 6 /* rfc3630 */
88#define LS_OPAQUE_TE_LINK_SUBTLV_MAX_RES_BW 7 /* rfc3630 */
89#define LS_OPAQUE_TE_LINK_SUBTLV_UNRES_BW 8 /* rfc3630 */
90#define LS_OPAQUE_TE_LINK_SUBTLV_ADMIN_GROUP 9 /* rfc3630 */
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91#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_LOCAL_REMOTE_ID 11 /* rfc4203 */
92#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE 14 /* rfc4203 */
93#define LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR 15 /* rfc4203 */
94#define LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP 16 /* rfc4203 */
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95#define LS_OPAQUE_TE_LINK_SUBTLV_BW_CONSTRAINTS 17 /* rfc4124 */
96
97#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_PTP 1 /* rfc3630 */
98#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_MA 2 /* rfc3630 */
99
100#define LS_OPAQUE_GRACE_TLV_PERIOD 1 /* rfc3623 */
101#define LS_OPAQUE_GRACE_TLV_REASON 2 /* rfc3623 */
102#define LS_OPAQUE_GRACE_TLV_INT_ADDRESS 3 /* rfc3623 */
103
104#define LS_OPAQUE_GRACE_TLV_REASON_UNKNOWN 0 /* rfc3623 */
105#define LS_OPAQUE_GRACE_TLV_REASON_SW_RESTART 1 /* rfc3623 */
106#define LS_OPAQUE_GRACE_TLV_REASON_SW_UPGRADE 2 /* rfc3623 */
107#define LS_OPAQUE_GRACE_TLV_REASON_CP_SWITCH 3 /* rfc3623 */
108
109#define LS_OPAQUE_RI_TLV_CAP 1 /* draft-ietf-ospf-cap-03 */
110
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111
112/* rla_link.link_type */
113#define RLA_TYPE_ROUTER 1 /* point-to-point to another router */
114#define RLA_TYPE_TRANSIT 2 /* connection to transit network */
115#define RLA_TYPE_STUB 3 /* connection to stub network */
116#define RLA_TYPE_VIRTUAL 4 /* virtual link */
117
118/* rla_flags */
119#define RLA_FLAG_B 0x01
120#define RLA_FLAG_E 0x02
121#define RLA_FLAG_W1 0x04
122#define RLA_FLAG_W2 0x08
123
124/* sla_tosmetric breakdown */
125#define SLA_MASK_TOS 0x7f000000
126#define SLA_MASK_METRIC 0x00ffffff
127#define SLA_SHIFT_TOS 24
128
129/* asla_tosmetric breakdown */
130#define ASLA_FLAG_EXTERNAL 0x80000000
131#define ASLA_MASK_TOS 0x7f000000
132#define ASLA_SHIFT_TOS 24
133#define ASLA_MASK_METRIC 0x00ffffff
134
135/* multicast vertex type */
136#define MCLA_VERTEX_ROUTER 1
137#define MCLA_VERTEX_NETWORK 2
138
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139/* Link-Local-Signaling */
140#define OSPF_LLS_EO 1 /* RFC4811, RFC4812 */
141#define OSPF_LLS_MD5 2 /* RFC4813 */
142
143#define OSPF_LLS_EO_LR 0x00000001 /* RFC4811 */
144#define OSPF_LLS_EO_RS 0x00000002 /* RFC4812 */
145
146/*
147 * TOS metric struct (will be 0 or more in router links update)
148 */
149struct tos_metric {
150 u_int8_t tos_type;
151 u_int8_t reserved;
152 u_int8_t tos_metric[2];
153};
154struct tos_link {
155 u_int8_t link_type;
156 u_int8_t link_tos_count;
157 u_int8_t tos_metric[2];
158};
159union un_tos {
160 struct tos_link link;
161 struct tos_metric metrics;
162};
163
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164/* link state advertisement header */
165struct lsa_hdr {
166 u_int16_t ls_age;
167 u_int8_t ls_options;
168 u_int8_t ls_type;
169 union {
170 struct in_addr lsa_id;
171 struct { /* opaque LSAs change the LSA-ID field */
172 u_int8_t opaque_type;
173 u_int8_t opaque_id[3];
174 } opaque_field;
175 } un_lsa_id;
176 struct in_addr ls_router;
177 u_int32_t ls_seq;
178 u_int16_t ls_chksum;
179 u_int16_t ls_length;
180};
181
182/* link state advertisement */
183struct lsa {
184 struct lsa_hdr ls_hdr;
185
186 /* Link state types */
187 union {
188 /* Router links advertisements */
189 struct {
190 u_int8_t rla_flags;
191 u_int8_t rla_zero[1];
192 u_int16_t rla_count;
193 struct rlalink {
194 struct in_addr link_id;
195 struct in_addr link_data;
ea7b4bf5 196 union un_tos un_tos;
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197 } rla_link[1]; /* may repeat */
198 } un_rla;
199
200 /* Network links advertisements */
201 struct {
202 struct in_addr nla_mask;
203 struct in_addr nla_router[1]; /* may repeat */
204 } un_nla;
205
206 /* Summary links advertisements */
207 struct {
208 struct in_addr sla_mask;
209 u_int32_t sla_tosmetric[1]; /* may repeat */
210 } un_sla;
211
212 /* AS external links advertisements */
213 struct {
214 struct in_addr asla_mask;
215 struct aslametric {
216 u_int32_t asla_tosmetric;
217 struct in_addr asla_forward;
218 struct in_addr asla_tag;
219 } asla_metric[1]; /* may repeat */
220 } un_asla;
221
222 /* Multicast group membership */
223 struct mcla {
224 u_int32_t mcla_vtype;
225 struct in_addr mcla_vid;
226 } un_mcla[1];
227
228 /* Opaque TE LSA */
229 struct {
230 u_int16_t type;
231 u_int16_t length;
232 u_int8_t data[1]; /* may repeat */
233 } un_te_lsa_tlv;
234
235 /* Opaque Grace LSA */
236 struct {
237 u_int16_t type;
238 u_int16_t length;
239 u_int8_t data[1]; /* may repeat */
240 } un_grace_tlv;
241
242 /* Opaque Router information LSA */
243 struct {
244 u_int16_t type;
245 u_int16_t length;
246 u_int8_t data[1]; /* may repeat */
247 } un_ri_tlv;
248
249 /* Unknown LSA */
250 struct unknown {
251 u_int8_t data[1]; /* may repeat */
252 } un_unknown[1];
253
254 } lsa_un;
255};
256
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257#define OSPF_AUTH_SIZE 8
258
259/*
260 * the main header
261 */
262struct ospfhdr {
263 u_int8_t ospf_version;
264 u_int8_t ospf_type;
265 u_int16_t ospf_len;
266 struct in_addr ospf_routerid;
267 struct in_addr ospf_areaid;
268 u_int16_t ospf_chksum;
269 u_int16_t ospf_authtype;
270 u_int8_t ospf_authdata[OSPF_AUTH_SIZE];
271 union {
272
273 /* Hello packet */
274 struct {
275 struct in_addr hello_mask;
276 u_int16_t hello_helloint;
277 u_int8_t hello_options;
278 u_int8_t hello_priority;
279 u_int32_t hello_deadint;
280 struct in_addr hello_dr;
281 struct in_addr hello_bdr;
282 struct in_addr hello_neighbor[1]; /* may repeat */
283 } un_hello;
284
285 /* Database Description packet */
286 struct {
ea7b4bf5 287 u_int16_t db_ifmtu;
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288 u_int8_t db_options;
289 u_int8_t db_flags;
290 u_int32_t db_seq;
291 struct lsa_hdr db_lshdr[1]; /* may repeat */
292 } un_db;
293
294 /* Link State Request */
295 struct lsr {
296 u_int8_t ls_type[4];
297 union {
298 struct in_addr ls_stateid;
299 struct { /* opaque LSAs change the LSA-ID field */
300 u_int8_t opaque_type;
301 u_int8_t opaque_id[3];
302 } opaque_field;
303 } un_ls_stateid;
304 struct in_addr ls_router;
305 } un_lsr[1]; /* may repeat */
306
307 /* Link State Update */
308 struct {
309 u_int32_t lsu_count;
310 struct lsa lsu_lsa[1]; /* may repeat */
311 } un_lsu;
312
313 /* Link State Acknowledgement */
314 struct {
315 struct lsa_hdr lsa_lshdr[1]; /* may repeat */
316 } un_lsa ;
317 } ospf_un ;
318};
319
320#define ospf_hello ospf_un.un_hello
321#define ospf_db ospf_un.un_db
322#define ospf_lsr ospf_un.un_lsr
323#define ospf_lsu ospf_un.un_lsu
324#define ospf_lsa ospf_un.un_lsa
325
ea7b4bf5 326/* Functions shared by ospf and ospf6 */
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327extern int ospf_print_te_lsa(const u_int8_t *, u_int);
328extern int ospf_print_grace_lsa(const u_int8_t *, u_int);