-/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.6 2002-12-11 07:07:25 guy Exp $ (LBL) */
+/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.23 2007-10-08 07:53:21 hannes Exp $ (LBL) */
/*
* Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
/* Options field
*
* +------------------------------------+
- * | * | O | DC | EA | N/P | MC | E | T |
+ * | DN | O | DC | L | N/P | MC | E | T |
* +------------------------------------+
*
*/
#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_TYPE_ASE 5 /* ASE */
#define LS_TYPE_GROUP 6 /* Group membership (multicast */
/* extensions 23 July 1991) */
-#define LS_TYPE_NSSA 7 /* rfc1587 - Not so Stubby Areas */
+#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 */
-/*************************************************
- *
- * is the above a bug in the documentation?
- *
- *************************************************/
+#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 /* 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_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 */
/* rla_link.link_type */
#define MCLA_VERTEX_ROUTER 1
#define MCLA_VERTEX_NETWORK 2
+/* Link-Local-Signaling */
+#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 {
+ u_int8_t tos_type;
+ u_int8_t reserved;
+ u_int8_t tos_metric[2];
+};
+struct tos_link {
+ u_int8_t link_type;
+ u_int8_t link_tos_count;
+ u_int8_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;
- struct in_addr ls_stateid;
+ 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;
-} __attribute__((packed));
+};
/* link state advertisement */
struct lsa {
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;
struct in_addr mcla_vid;
} un_mcla[1];
- /* Opaque LSA */
- struct opaque {
- u_int8_t opaque_type;
- u_int8_t opaque_id[3];
- struct in_addr adv_router;
- struct in_addr sequence_num;
- u_int16_t chksum;
- u_int16_t length;
- } un_opaque[1];
+ /* Opaque TE LSA */
+ struct {
+ u_int16_t type;
+ u_int16_t length;
+ u_int8_t data[1]; /* may repeat */
+ } un_te_lsa_tlv;
- } lsa_un;
-} __attribute__((packed));
+ /* 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;
-/*
- * 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;
-} __attribute__((packed));
+ /* Unknown LSA */
+ struct unknown {
+ u_int8_t data[1]; /* may repeat */
+ } un_unknown[1];
+
+ } lsa_un;
+};
#define OSPF_AUTH_SIZE 8
/* Database Description packet */
struct {
- u_int8_t db_zero[2];
+ u_int16_t db_ifmtu;
u_int8_t db_options;
u_int8_t db_flags;
u_int32_t db_seq;
/* Link State Request */
struct lsr {
- u_int32_t ls_type;
- struct in_addr ls_stateid;
+ 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 */
struct lsa_hdr lsa_lshdr[1]; /* may repeat */
} un_lsa ;
} ospf_un ;
-} __attribute__((packed));
+};
#define ospf_hello ospf_un.un_hello
#define ospf_db ospf_un.un_db
#define ospf_lsu ospf_un.un_lsu
#define ospf_lsa ospf_un.un_lsa
+/* Functions shared by ospf and ospf6 */
+extern int ospf_print_te_lsa(const u_int8_t *, u_int);
+extern int ospf_print_grace_lsa(const u_int8_t *, u_int);
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