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Diffstat (limited to 'freebsd/contrib/tcpdump/ospf6.h')
| -rw-r--r-- | freebsd/contrib/tcpdump/ospf6.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/ospf6.h b/freebsd/contrib/tcpdump/ospf6.h new file mode 100644 index 00000000..e2eabee1 --- /dev/null +++ b/freebsd/contrib/tcpdump/ospf6.h @@ -0,0 +1,265 @@ +/* @(#) $Header: /tcpdump/master/tcpdump/ospf6.h,v 1.7 2006-09-05 15:50:26 hannes 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_HELLO 1 /* Hello */ +#define OSPF_TYPE_DD 2 /* Database Description */ +#define OSPF_TYPE_LS_REQ 3 /* Link State Request */ +#define OSPF_TYPE_LS_UPDATE 4 /* Link State Update */ +#define OSPF_TYPE_LS_ACK 5 /* Link State Ack */ + +/* 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_NSSA 7 /* NSSA */ +#define LS_TYPE_LINK 8 /* Link LSA */ +#define LS_TYPE_INTRA_AP 9 /* Intra-Area-Prefix */ +#define LS_TYPE_INTRA_ATE 10 /* Intra-Area-TE */ +#define LS_TYPE_GRACE 11 /* Grace LSA */ +#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 +#define LS_SCOPE_U 0x8000 + +/* 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 +#define RLA_FLAG_N 0x10 + +/* lsa_prefix options */ +#define LSA_PREFIX_OPT_NU 0x01 +#define LSA_PREFIX_OPT_LA 0x02 +#define LSA_PREFIX_OPT_MC 0x04 +#define LSA_PREFIX_OPT_P 0x08 +#define LSA_PREFIX_OPT_DN 0x10 + +/* sla_tosmetric breakdown */ +#define SLA_MASK_TOS 0x7f000000 +#define SLA_MASK_METRIC 0x00ffffff +#define SLA_SHIFT_TOS 24 + +/* asla_metric */ +#define ASLA_FLAG_FWDADDR 0x02000000 +#define ASLA_FLAG_ROUTETAG 0x01000000 +#define ASLA_MASK_METRIC 0x00ffffff + +typedef u_int32_t rtrid_t; + +/* link state advertisement header */ +struct lsa6_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 lsa6_prefix { + u_int8_t lsa_p_len; + u_int8_t lsa_p_opt; + u_int16_t lsa_p_metric; + u_int8_t lsa_p_prefix[4]; +}; + +/* link state advertisement */ +struct lsa6 { + struct lsa6_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 rlalink6 { + 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 lsa6_prefix inter_ap_prefix[1]; + } un_inter_ap; + + /* AS external links advertisements */ + struct { + u_int32_t asla_metric; + struct lsa6_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 lsa6_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 lsa6_prefix intra_ap_prefix[1]; + } un_intra_ap; + } lsa_un; +}; + + +#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 lsa6_hdr db_lshdr[1]; /* may repeat */ + } un_db; + + /* Link State Request */ + struct lsr6 { + 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 lsa6 lsu_lsa[1]; /* may repeat */ + } un_lsu; + + /* Link State Acknowledgement */ + struct { + struct lsa6_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 + |