-/* @(#) $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.
*
*/
-#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_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 */
* 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];
+ nd_uint8_t tos_type;
+ nd_uint8_t reserved;
+ nd_uint16_t tos_metric;
};
struct tos_link {
- u_int8_t link_type;
- u_int8_t link_tos_count;
- u_int8_t tos_metric[2];
+ nd_uint8_t link_type;
+ nd_uint8_t link_tos_count;
+ nd_uint16_t tos_metric;
};
union un_tos {
struct tos_link link;
/* link state advertisement header */
struct lsa_hdr {
- u_int16_t ls_age;
- u_int8_t ls_options;
- u_int8_t ls_type;
+ nd_uint16_t ls_age;
+ nd_uint8_t ls_options;
+ nd_uint8_t ls_type;
union {
- struct in_addr lsa_id;
+ nd_ipv4 lsa_id;
struct { /* opaque LSAs change the LSA-ID field */
- u_int8_t opaque_type;
- u_int8_t opaque_id[3];
+ nd_uint8_t opaque_type;
+ nd_uint24_t opaque_id;
} 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;
+ 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;
+ 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 TE LSA */
struct {
- u_int16_t type;
- u_int16_t length;
- u_int8_t data[1]; /* may repeat */
- } un_te_lsa_tlv;
+ 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 {
- u_int16_t type;
- u_int16_t length;
- u_int8_t data[1]; /* may repeat */
- } un_grace_tlv;
+ 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 {
- u_int16_t type;
- u_int16_t length;
- u_int8_t data[1]; /* may repeat */
- } un_ri_tlv;
+ nd_uint16_t type;
+ nd_uint16_t length;
+ nd_byte data[1]; /* may repeat */
+ } un_ri_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;
* 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_int16_t db_ifmtu;
- 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_int8_t ls_type[4];
+ nd_uint32_t ls_type;
union {
- struct in_addr ls_stateid;
+ nd_ipv4 ls_stateid;
struct { /* opaque LSAs change the LSA-ID field */
- u_int8_t opaque_type;
- u_int8_t opaque_id[3];
+ nd_uint8_t opaque_type;
+ nd_uint24_t opaque_id;
} opaque_field;
} un_ls_stateid;
- struct in_addr ls_router;
+ 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
-
-/* 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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