auto import from //depot/cupcake/@135843
diff --git a/ospf.h b/ospf.h
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+/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.16.2.2 2006/12/13 08:24:27 hannes 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_DD 2 /* Database Description */
+#define OSPF_TYPE_LS_REQ 3 /* Link State Request */
+#define OSPF_TYPE_LS_UPDATE 4 /* Link State Update */
+#define OSPF_TYPE_LS_ACK 5 /* Link State Ack */
+
+/* Options field
+ *
+ * +------------------------------------+
+ * | * | O | DC | EA | N/P | MC | E | T |
+ * +------------------------------------+
+ *
+ */
+
+#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 */
+#define OSPF_OPTION_NP 0x08 /* N/P bit: NSSA capable */
+#define OSPF_OPTION_EA 0x10 /* EA bit: External Attribute capable */
+#define OSPF_OPTION_DC 0x20 /* DC bit: Demand circuit capable */
+#define OSPF_OPTION_O 0x40 /* O bit: Opaque LSA capable */
+#define OSPF_OPTION_DN 0x80 /* DN bit: Up/Down Bit capable - draft-ietf-ospf-2547-dnbit-04 */
+
+/* ospf_authtype */
+#define OSPF_AUTH_NONE 0 /* No auth-data */
+#define OSPF_AUTH_SIMPLE 1 /* Simple password */
+#define OSPF_AUTH_SIMPLE_LEN 8 /* max length of simple authentication */
+#define OSPF_AUTH_MD5 2 /* MD5 authentication */
+#define OSPF_AUTH_MD5_LEN 16 /* length of MD5 authentication */
+
+/* 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_NSSA 7 /* rfc3101 - Not so Stubby Areas */
+#define LS_TYPE_OPAQUE_LL 9 /* rfc2370 - Opaque Link Local */
+#define LS_TYPE_OPAQUE_AL 10 /* rfc2370 - Opaque Link Local */
+#define LS_TYPE_OPAQUE_DW 11 /* rfc2370 - Opaque Domain Wide */
+
+#define LS_OPAQUE_TYPE_TE 1 /* rfc3630 */
+#define LS_OPAQUE_TYPE_GRACE 3 /* rfc3623 */
+#define LS_OPAQUE_TYPE_RI 4 /* draft-ietf-ospf-cap-03 */
+
+#define LS_OPAQUE_TE_TLV_ROUTER 1 /* rfc3630 */
+#define LS_OPAQUE_TE_TLV_LINK 2 /* rfc3630 */
+
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE 1 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_ID 2 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LOCAL_IP 3 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_REMOTE_IP 4 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_TE_METRIC 5 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_MAX_BW 6 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_MAX_RES_BW 7 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_UNRES_BW 8 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_ADMIN_GROUP 9 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_LOCAL_REMOTE_ID 11 /* draft-ietf-ccamp-ospf-gmpls-extensions */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE 14 /* draft-ietf-ccamp-ospf-gmpls-extensions */
+#define LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR 15 /* draft-ietf-ccamp-ospf-gmpls-extensions */
+#define LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP 16 /* draft-ietf-ccamp-ospf-gmpls-extensions */
+#define LS_OPAQUE_TE_LINK_SUBTLV_BW_CONSTRAINTS 17 /* rfc4124 */
+
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_PTP 1 /* rfc3630 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_MA 2 /* rfc3630 */
+
+#define LS_OPAQUE_GRACE_TLV_PERIOD 1 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON 2 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_INT_ADDRESS 3 /* rfc3623 */
+
+#define LS_OPAQUE_GRACE_TLV_REASON_UNKNOWN 0 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_SW_RESTART 1 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_SW_UPGRADE 2 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_CP_SWITCH 3 /* rfc3623 */
+
+#define LS_OPAQUE_RI_TLV_CAP 1 /* draft-ietf-ospf-cap-03 */
+
+/*************************************************
+ *
+ * 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_int16_t ls_age;
+ u_int8_t ls_options;
+ u_int8_t ls_type;
+ union {
+ struct in_addr lsa_id;
+ struct { /* opaque LSAs change the LSA-ID field */
+ u_int8_t opaque_type;
+ u_int8_t opaque_id[3];
+ } opaque_field;
+ } un_lsa_id;
+ struct in_addr ls_router;
+ u_int32_t ls_seq;
+ u_int16_t ls_chksum;
+ u_int16_t ls_length;
+};
+
+/* link state advertisement */
+struct lsa {
+ struct lsa_hdr ls_hdr;
+
+ /* Link state types */
+ union {
+ /* Router links advertisements */
+ struct {
+ u_int8_t rla_flags;
+ u_int8_t rla_zero[1];
+ u_int16_t rla_count;
+ struct rlalink {
+ struct in_addr link_id;
+ struct in_addr link_data;
+ u_int8_t link_type;
+ u_int8_t link_toscount;
+ u_int16_t 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];
+
+ /* Opaque TE LSA */
+ struct {
+ u_int16_t type;
+ u_int16_t length;
+ u_int8_t data[1]; /* may repeat */
+ } un_te_lsa_tlv;
+
+ /* Opaque Grace LSA */
+ struct {
+ u_int16_t type;
+ u_int16_t length;
+ u_int8_t data[1]; /* may repeat */
+ } un_grace_tlv;
+
+ /* Opaque Router information LSA */
+ struct {
+ u_int16_t type;
+ u_int16_t length;
+ u_int8_t data[1]; /* may repeat */
+ } un_ri_tlv;
+
+ /* Unknown LSA */
+ struct unknown {
+ u_int8_t data[1]; /* may repeat */
+ } un_unknown[1];
+
+ } 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 ospfhdr {
+ u_int8_t ospf_version;
+ u_int8_t ospf_type;
+ u_int16_t ospf_len;
+ struct in_addr ospf_routerid;
+ struct in_addr ospf_areaid;
+ u_int16_t ospf_chksum;
+ u_int16_t ospf_authtype;
+ u_int8_t ospf_authdata[OSPF_AUTH_SIZE];
+ union {
+
+ /* Hello packet */
+ struct {
+ struct in_addr hello_mask;
+ u_int16_t hello_helloint;
+ u_int8_t hello_options;
+ u_int8_t 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_int8_t db_zero[2];
+ u_int8_t db_options;
+ 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_int8_t ls_type[4];
+ union {
+ struct in_addr ls_stateid;
+ struct { /* opaque LSAs change the LSA-ID field */
+ u_int8_t opaque_type;
+ u_int8_t opaque_id[3];
+ } opaque_field;
+ } un_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
+