-/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.17 2005-08-23 11:07:34 hannes Exp $ (LBL) */
/*
* Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
*/
-#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 */
/* Options field
*
* +------------------------------------+
- * | * | O | DC | EA | N/P | MC | E | T |
+ * | DN | O | DC | L | 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_L 0x10 /* L bit: Packet contains LLS data block */
#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_INIT 0x04
#define OSPF_DB_MORE 0x02
-#define OSPF_DB_MASTER 0x01
+#define OSPF_DB_MASTER 0x01
+#define OSPF_DB_RESYNC 0x08 /* RFC4811 */
/* ls_type */
#define LS_TYPE_ROUTER 1 /* router link */
#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_LINK_LOCAL_REMOTE_ID 11 /* rfc4203 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE 14 /* rfc4203 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR 15 /* rfc4203 */
+#define LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP 16 /* rfc4203 */
#define LS_OPAQUE_TE_LINK_SUBTLV_BW_CONSTRAINTS 17 /* rfc4124 */
#define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_PTP 1 /* rfc3630 */
#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 MCLA_VERTEX_ROUTER 1
#define MCLA_VERTEX_NETWORK 2
+/* Link-Local-Signaling */
+#define OSPF_LLS_HDRLEN 4U /* RFC5613 Section 2.2 */
+
+#define OSPF_LLS_EO 1 /* RFC4811, RFC4812 */
+#define OSPF_LLS_MD5 2 /* RFC4813 */
+
+#define OSPF_LLS_EO_LR 0x00000001 /* RFC4811 */
+#define OSPF_LLS_EO_RS 0x00000002 /* RFC4812 */
+
+/*
+ * TOS metric struct (will be 0 or more in router links update)
+ */
+struct tos_metric {
+ uint8_t tos_type;
+ uint8_t reserved;
+ uint8_t tos_metric[2];
+};
+struct tos_link {
+ uint8_t link_type;
+ uint8_t link_tos_count;
+ uint8_t tos_metric[2];
+};
+union un_tos {
+ struct tos_link link;
+ struct tos_metric metrics;
+};
+
/* link state advertisement header */
struct lsa_hdr {
- u_int16_t ls_age;
- u_int8_t ls_options;
- u_int8_t ls_type;
+ uint16_t ls_age;
+ uint8_t ls_options;
+ uint8_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];
+ uint8_t opaque_type;
+ uint8_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;
+ uint32_t ls_seq;
+ uint16_t ls_chksum;
+ uint16_t ls_length;
};
/* link state advertisement */
union {
/* Router links advertisements */
struct {
- u_int8_t rla_flags;
- u_int8_t rla_zero[1];
- u_int16_t rla_count;
+ uint8_t rla_flags;
+ uint8_t rla_zero[1];
+ uint16_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;
+ union un_tos un_tos;
} rla_link[1]; /* may repeat */
} un_rla;
/* Summary links advertisements */
struct {
struct in_addr sla_mask;
- u_int32_t sla_tosmetric[1]; /* may repeat */
+ uint32_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;
+ uint32_t asla_tosmetric;
struct in_addr asla_forward;
struct in_addr asla_tag;
} asla_metric[1]; /* may repeat */
/* Multicast group membership */
struct mcla {
- u_int32_t mcla_vtype;
+ uint32_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 */
+ uint16_t type;
+ uint16_t length;
+ uint8_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 */
+ uint16_t type;
+ uint16_t length;
+ uint8_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 */
+ uint16_t type;
+ uint16_t length;
+ uint8_t data[1]; /* may repeat */
} un_ri_tlv;
/* Unknown LSA */
struct unknown {
- u_int8_t data[1]; /* may repeat */
+ uint8_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;
+ uint8_t ospf_version;
+ uint8_t ospf_type;
+ uint16_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];
+ uint16_t ospf_chksum;
+ uint16_t ospf_authtype;
+ uint8_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;
+ uint16_t hello_helloint;
+ uint8_t hello_options;
+ uint8_t hello_priority;
+ uint32_t hello_deadint;
struct in_addr hello_dr;
struct in_addr hello_bdr;
struct in_addr hello_neighbor[1]; /* may repeat */
/* 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;
+ uint16_t db_ifmtu;
+ uint8_t db_options;
+ uint8_t db_flags;
+ uint32_t db_seq;
struct lsa_hdr db_lshdr[1]; /* may repeat */
} un_db;
/* Link State Request */
struct lsr {
- u_int8_t ls_type[4];
+ uint8_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];
+ uint8_t opaque_type;
+ uint8_t opaque_id[3];
} opaque_field;
} un_ls_stateid;
struct in_addr ls_router;
/* Link State Update */
struct {
- u_int32_t lsu_count;
+ uint32_t lsu_count;
struct lsa lsu_lsa[1]; /* may repeat */
} un_lsu;
#define ospf_lsr ospf_un.un_lsr
#define ospf_lsu ospf_un.un_lsu
#define ospf_lsa ospf_un.un_lsa
-
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