mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-29 08:52:46 +00:00
279 lines
7.3 KiB
C
279 lines
7.3 KiB
C
/* @(#) $Header: /tcpdump/master/tcpdump/ospf6.h,v 1.3 2000/12/17 23:07:50 guy 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_DB 2 /* Database Description */
|
|
#define OSPF_TYPE_LSR 3 /* Link State Request */
|
|
#define OSPF_TYPE_LSU 4 /* Link State Update */
|
|
#define OSPF_TYPE_LSA 5 /* Link State Ack */
|
|
#define OSPF_TYPE_MAX 6
|
|
|
|
/* Options *_options */
|
|
#define OSPF6_OPTION_V6 0x01 /* V6 bit: A bit for peeping tom */
|
|
#define OSPF6_OPTION_E 0x02 /* E bit: External routes advertised */
|
|
#define OSPF6_OPTION_MC 0x04 /* MC bit: Multicast capable */
|
|
#define OSPF6_OPTION_N 0x08 /* N bit: For type-7 LSA */
|
|
#define OSPF6_OPTION_R 0x10 /* R bit: Router bit */
|
|
#define OSPF6_OPTION_DC 0x20 /* DC bit: Demand circuits */
|
|
|
|
|
|
/* db_flags */
|
|
#define OSPF6_DB_INIT 0x04 /* */
|
|
#define OSPF6_DB_MORE 0x02
|
|
#define OSPF6_DB_MASTER 0x01
|
|
|
|
/* ls_type */
|
|
#define LS_TYPE_ROUTER 1 /* router link */
|
|
#define LS_TYPE_NETWORK 2 /* network link */
|
|
#define LS_TYPE_INTER_AP 3 /* Inter-Area-Prefix */
|
|
#define LS_TYPE_INTER_AR 4 /* Inter-Area-Router */
|
|
#define LS_TYPE_ASE 5 /* ASE */
|
|
#define LS_TYPE_GROUP 6 /* Group membership */
|
|
#define LS_TYPE_TYPE7 7 /* Type 7 LSA */
|
|
#define LS_TYPE_LINK 8 /* Link LSA */
|
|
#define LS_TYPE_INTRA_AP 9 /* Intra-Area-Prefix */
|
|
#define LS_TYPE_MAX 10
|
|
#define LS_TYPE_MASK 0x1fff
|
|
|
|
#define LS_SCOPE_LINKLOCAL 0x0000
|
|
#define LS_SCOPE_AREA 0x2000
|
|
#define LS_SCOPE_AS 0x4000
|
|
#define LS_SCOPE_MASK 0x6000
|
|
|
|
/*************************************************
|
|
*
|
|
* 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_VIRTUAL 4 /* virtual link */
|
|
|
|
/* rla_flags */
|
|
#define RLA_FLAG_B 0x01
|
|
#define RLA_FLAG_E 0x02
|
|
#define RLA_FLAG_V 0x04
|
|
#define RLA_FLAG_W 0x08
|
|
|
|
/* sla_tosmetric breakdown */
|
|
#define SLA_MASK_TOS 0x7f000000
|
|
#define SLA_MASK_METRIC 0x00ffffff
|
|
#define SLA_SHIFT_TOS 24
|
|
|
|
/* asla_metric */
|
|
#define ASLA_FLAG_EXTERNAL 0x04000000
|
|
#define ASLA_FLAG_FWDADDR 0x02000000
|
|
#define ASLA_FLAG_ROUTETAG 0x01000000
|
|
#define ASLA_MASK_METRIC 0x00ffffff
|
|
|
|
/* multicast vertex type */
|
|
#define MCLA_VERTEX_ROUTER 1
|
|
#define MCLA_VERTEX_NETWORK 2
|
|
|
|
typedef u_int32_t rtrid_t;
|
|
|
|
/* link state advertisement header */
|
|
struct lsa_hdr {
|
|
u_int16_t ls_age;
|
|
u_int16_t ls_type;
|
|
rtrid_t ls_stateid;
|
|
rtrid_t ls_router;
|
|
u_int32_t ls_seq;
|
|
u_int16_t ls_chksum;
|
|
u_int16_t ls_length;
|
|
} ;
|
|
|
|
struct lsa_prefix {
|
|
u_int8_t lsa_p_len;
|
|
u_int8_t lsa_p_opt;
|
|
u_int16_t lsa_p_mbz;
|
|
u_int8_t lsa_p_prefix[4];
|
|
};
|
|
|
|
/* link state advertisement */
|
|
struct lsa {
|
|
struct lsa_hdr ls_hdr;
|
|
|
|
/* Link state types */
|
|
union {
|
|
/* Router links advertisements */
|
|
struct {
|
|
union {
|
|
u_int8_t flg;
|
|
u_int32_t opt;
|
|
} rla_flgandopt;
|
|
#define rla_flags rla_flgandopt.flg
|
|
#define rla_options rla_flgandopt.opt
|
|
struct rlalink {
|
|
u_int8_t link_type;
|
|
u_int8_t link_zero[1];
|
|
u_int16_t link_metric;
|
|
u_int32_t link_ifid;
|
|
u_int32_t link_nifid;
|
|
rtrid_t link_nrtid;
|
|
} rla_link[1]; /* may repeat */
|
|
} un_rla;
|
|
|
|
/* Network links advertisements */
|
|
struct {
|
|
u_int32_t nla_options;
|
|
rtrid_t nla_router[1]; /* may repeat */
|
|
} un_nla;
|
|
|
|
/* Inter Area Prefix LSA */
|
|
struct {
|
|
u_int32_t inter_ap_metric;
|
|
struct lsa_prefix inter_ap_prefix[1];
|
|
} un_inter_ap;
|
|
|
|
/* AS external links advertisements */
|
|
struct {
|
|
u_int32_t asla_metric;
|
|
struct lsa_prefix asla_prefix[1];
|
|
/* some optional fields follow */
|
|
} un_asla;
|
|
|
|
#if 0
|
|
/* Summary links advertisements */
|
|
struct {
|
|
struct in_addr sla_mask;
|
|
u_int32_t sla_tosmetric[1]; /* may repeat */
|
|
} un_sla;
|
|
|
|
/* Multicast group membership */
|
|
struct mcla {
|
|
u_int32_t mcla_vtype;
|
|
struct in_addr mcla_vid;
|
|
} un_mcla[1];
|
|
#endif
|
|
|
|
/* Type 7 LSA */
|
|
|
|
/* Link LSA */
|
|
struct llsa {
|
|
union {
|
|
u_int8_t pri;
|
|
u_int32_t opt;
|
|
} llsa_priandopt;
|
|
#define llsa_priority llsa_priandopt.pri
|
|
#define llsa_options llsa_priandopt.opt
|
|
struct in6_addr llsa_lladdr;
|
|
u_int32_t llsa_nprefix;
|
|
struct lsa_prefix llsa_prefix[1];
|
|
} un_llsa;
|
|
|
|
/* Intra-Area-Prefix */
|
|
struct {
|
|
u_int16_t intra_ap_nprefix;
|
|
u_int16_t intra_ap_lstype;
|
|
rtrid_t intra_ap_lsid;
|
|
rtrid_t intra_ap_rtid;
|
|
struct lsa_prefix intra_ap_prefix[1];
|
|
} un_intra_ap;
|
|
} 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 ospf6hdr {
|
|
u_int8_t ospf6_version;
|
|
u_int8_t ospf6_type;
|
|
u_int16_t ospf6_len;
|
|
rtrid_t ospf6_routerid;
|
|
rtrid_t ospf6_areaid;
|
|
u_int16_t ospf6_chksum;
|
|
u_int8_t ospf6_instanceid;
|
|
u_int8_t ospf6_rsvd;
|
|
union {
|
|
|
|
/* Hello packet */
|
|
struct {
|
|
u_int32_t hello_ifid;
|
|
union {
|
|
u_int8_t pri;
|
|
u_int32_t opt;
|
|
} hello_priandopt;
|
|
#define hello_priority hello_priandopt.pri
|
|
#define hello_options hello_priandopt.opt
|
|
u_int16_t hello_helloint;
|
|
u_int16_t hello_deadint;
|
|
rtrid_t hello_dr;
|
|
rtrid_t hello_bdr;
|
|
rtrid_t hello_neighbor[1]; /* may repeat */
|
|
} un_hello;
|
|
|
|
/* Database Description packet */
|
|
struct {
|
|
u_int32_t db_options;
|
|
u_int16_t db_mtu;
|
|
u_int8_t db_mbz;
|
|
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_int16_t ls_mbz;
|
|
u_int16_t ls_type;
|
|
rtrid_t ls_stateid;
|
|
rtrid_t 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 ;
|
|
} ospf6_un ;
|
|
} ;
|
|
|
|
#define ospf6_hello ospf6_un.un_hello
|
|
#define ospf6_db ospf6_un.un_db
|
|
#define ospf6_lsr ospf6_un.un_lsr
|
|
#define ospf6_lsu ospf6_un.un_lsu
|
|
#define ospf6_lsa ospf6_un.un_lsa
|
|
|