-/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.8 2003-10-02 13:35:52 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_MT 0x01 /* MT bit: multi-topology */
+#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_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 /* rfc7770 */
+#define LS_OPAQUE_TYPE_EP 7 /* rfc7684 */
+#define LS_OPAQUE_TYPE_EL 8 /* rfc7684 */
+
+#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_RI_SUBTLV_SID_LABEL 1 /* rfc8665 */
+
+#define LS_OPAQUE_EP_EXTD_PREFIX_TLV 1 /* rfc7684 */
+#define LS_OPAQUE_EP_EXTD_PREFIX_RANGE_TLV 2 /* rfc8665 */
+#define LS_OPAQUE_EP_SUBTLV_PREFIX_SID 2 /* rfc8665 */
+
+#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 /* rfc7770 */
+#define LS_OPAQUE_RI_TLV_HOSTNAME 7 /* rfc5642 */
+#define LS_OPAQUE_RI_TLV_SR_ALGO 8 /* rfc8865 */
+#define LS_OPAQUE_RI_TLV_SID_LABEL_RANGE 9 /* rfc8865 */
+#define LS_OPAQUE_RI_TLV_SR_LOCAL_BLOCK 14 /* rfc8865 */
+#define LS_OPAQUE_RI_TLV_SRMS_PREFERENCE 15 /* rfc8865 */
/* rla_link.link_type */
#define RLA_TYPE_ROUTER 1 /* point-to-point to another router */
/* rla_flags */
#define RLA_FLAG_B 0x01
#define RLA_FLAG_E 0x02
-#define RLA_FLAG_W1 0x04
-#define RLA_FLAG_W2 0x08
+#define RLA_FLAG_V 0x04
+#define RLA_FLAG_W 0x08
+#define RLA_FLAG_NT 0x10 /* RFC3101 Appendix B */
+#define RLA_FLAG_H 0x80
/* sla_tosmetric breakdown */
#define SLA_MASK_TOS 0x7f000000
#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 {
+ nd_uint8_t tos_type;
+ nd_uint8_t reserved;
+ nd_uint16_t tos_metric;
+};
+struct tos_link {
+ nd_uint8_t link_type;
+ nd_uint8_t link_tos_count;
+ nd_uint16_t tos_metric;
+};
+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;
- struct in_addr ls_router;
- u_int32_t ls_seq;
- u_int16_t ls_chksum;
- u_int16_t ls_length;
+ nd_uint16_t ls_age;
+ nd_uint8_t ls_options;
+ nd_uint8_t ls_type;
+ union {
+ nd_ipv4 lsa_id;
+ struct { /* opaque LSAs change the LSA-ID field */
+ nd_uint8_t opaque_type;
+ nd_uint24_t opaque_id;
+ } opaque_field;
+ } un_lsa_id;
+ nd_ipv4 ls_router;
+ nd_uint32_t ls_seq;
+ nd_uint16_t ls_chksum;
+ nd_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;
+ nd_uint8_t rla_flags;
+ nd_byte rla_zero;
+ nd_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;
+ nd_ipv4 link_id;
+ nd_ipv4 link_data;
+ union un_tos un_tos;
} rla_link[1]; /* may repeat */
} un_rla;
/* Network links advertisements */
struct {
- struct in_addr nla_mask;
- struct in_addr nla_router[1]; /* may repeat */
+ nd_ipv4 nla_mask;
+ nd_ipv4 nla_router[1]; /* may repeat */
} un_nla;
/* Summary links advertisements */
struct {
- struct in_addr sla_mask;
- u_int32_t sla_tosmetric[1]; /* may repeat */
+ nd_ipv4 sla_mask;
+ nd_uint32_t sla_tosmetric[1]; /* may repeat */
} un_sla;
/* AS external links advertisements */
struct {
- struct in_addr asla_mask;
+ nd_ipv4 asla_mask;
struct aslametric {
- u_int32_t asla_tosmetric;
- struct in_addr asla_forward;
- struct in_addr asla_tag;
+ nd_uint32_t asla_tosmetric;
+ nd_ipv4 asla_forward;
+ nd_ipv4 asla_tag;
} asla_metric[1]; /* may repeat */
} un_asla;
/* Multicast group membership */
struct mcla {
- u_int32_t mcla_vtype;
- struct in_addr mcla_vid;
+ nd_uint32_t mcla_vtype;
+ nd_ipv4 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 {
+ nd_uint16_t type;
+ nd_uint16_t length;
+ nd_byte data[1]; /* may repeat */
+ } un_te_lsa_tlv[1]; /* may repeat */
+
+ /* Opaque Grace LSA */
+ struct {
+ nd_uint16_t type;
+ nd_uint16_t length;
+ nd_byte data[1]; /* may repeat */
+ } un_grace_tlv[1]; /* may repeat */
+
+ /* Opaque Router information LSA */
+ struct {
+ nd_uint16_t type;
+ nd_uint16_t length;
+ nd_byte data[1]; /* may repeat */
+ } un_ri_tlv[1]; /* may repeat */
+
+ /* Extended Prefix LSA */
+ struct {
+ nd_uint16_t type;
+ nd_uint16_t length;
+ nd_byte data[1]; /* may repeat */
+ } un_ep_tlv[1]; /* may repeat */
/* Unknown LSA */
struct unknown {
- u_int8_t data[1]; /* may repeat */
+ nd_byte 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];
+ nd_uint8_t ospf_version;
+ nd_uint8_t ospf_type;
+ nd_uint16_t ospf_len;
+ nd_ipv4 ospf_routerid;
+ nd_ipv4 ospf_areaid;
+ nd_uint16_t ospf_chksum;
+ nd_uint16_t ospf_authtype;
+ nd_byte 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 */
+ nd_ipv4 hello_mask;
+ nd_uint16_t hello_helloint;
+ nd_uint8_t hello_options;
+ nd_uint8_t hello_priority;
+ nd_uint32_t hello_deadint;
+ nd_ipv4 hello_dr;
+ nd_ipv4 hello_bdr;
+ nd_ipv4 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;
+ nd_uint16_t db_ifmtu;
+ nd_uint8_t db_options;
+ nd_uint8_t db_flags;
+ nd_uint32_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;
+ nd_uint32_t ls_type;
+ union {
+ nd_ipv4 ls_stateid;
+ struct { /* opaque LSAs change the LSA-ID field */
+ nd_uint8_t opaque_type;
+ nd_uint24_t opaque_id;
+ } opaque_field;
+ } un_ls_stateid;
+ nd_ipv4 ls_router;
} un_lsr[1]; /* may repeat */
/* Link State Update */
struct {
- u_int32_t lsu_count;
- struct lsa lsu_lsa[1]; /* may repeat */
+ nd_uint32_t lsu_count;
+ struct lsa lsu_lsa[1]; /* may repeat */
} un_lsu;
/* Link State Acknowledgement */
#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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