forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
decode type 7 LSAs (NSSA AS external); print the LS checksum as a four digit hexadecimal number. svn path=/trunk/; revision=2425
168 lines
3.8 KiB
C
168 lines
3.8 KiB
C
/* packet-ospf.h
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*
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* $Id: packet-ospf.h,v 1.10 2000/09/13 07:47:10 guy Exp $
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*
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* (c) 1998 Hannes Boehm
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PACKET_OSPF_H__
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#define __PACKET_OSPF_H__
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#define OSPF_HEADER_LENGTH 24
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#define OSPF_HELLO 1
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#define OSPF_DB_DESC 2
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#define OSPF_LS_REQ 3
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#define OSPF_LS_UPD 4
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#define OSPF_LS_ACK 5
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#define OSPF_AUTH_NONE 0
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#define OSPF_AUTH_SIMPLE 1
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#define OSPF_AUTH_CRYPT 2
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#define OSPF_OPTIONS_E 2
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#define OSPF_OPTIONS_MC 4
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#define OSPF_OPTIONS_NP 8
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#define OSPF_OPTIONS_EA 16
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#define OSPF_OPTIONS_DC 32
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#define OSPF_DBD_FLAG_MS 1
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#define OSPF_DBD_FLAG_M 2
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#define OSPF_DBD_FLAG_I 4
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#define OSPF_LS_REQ_LENGTH 12
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#define OSPF_LSTYPE_ROUTER 1
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#define OSPF_LSTYPE_NETWORK 2
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#define OSPF_LSTYPE_SUMMERY 3
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#define OSPF_LSTYPE_ASBR 4
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#define OSPF_LSTYPE_ASEXT 5
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#define OSPF_LSTYPE_ASEXT7 7
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/* Opaque LSA types */
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#define OSPF_LSTYPE_OP_LINKLOCAL 9
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#define OSPF_LSTYPE_OP_AREALOCAL 10
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#define OSPF_LSTYPE_OP_ASWIDE 11
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#define OSPF_LINK_PTP 1
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#define OSPF_LINK_TRANSIT 2
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#define OSPF_LINK_STUB 3
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#define OSPF_LINK_VIRTUAL 4
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#define OSPF_LSA_HEADER_LENGTH 20
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/* Known opaque LSAs */
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#define OSPF_LSA_MPLS_TE 1
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typedef struct _e_ospfhdr {
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guint8 version;
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guint8 packet_type;
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guint16 length;
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guint32 routerid;
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guint32 area;
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guint16 checksum;
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guint16 auth_type;
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char auth_data[8];
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} e_ospfhdr;
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typedef struct _e_ospf_hello {
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guint32 network_mask;
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guint16 hellointervall;
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guint8 options;
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guint8 priority;
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guint32 dead_interval;
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guint32 drouter;
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guint32 bdrouter;
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} e_ospf_hello ;
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typedef struct _e_ospf_dbd {
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guint16 interface_mtu;
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guint8 options;
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guint8 flags;
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guint32 dd_sequence;
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} e_ospf_dbd;
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typedef struct _e_ospf_ls_req {
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guint32 ls_type;
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guint32 ls_id;
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guint32 adv_router;
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} e_ospf_ls_req;
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typedef struct _e_ospf_lsa_hdr {
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guint16 ls_age;
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guint8 options;
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guint8 ls_type;
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guint32 ls_id;
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guint32 adv_router;
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guint32 ls_seq;
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guint16 ls_checksum;
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guint16 length;
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} e_ospf_lsa_hdr;
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typedef struct _e_ospf_router_lsa {
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guint8 flags;
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guint8 empfty;
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guint16 nr_links;
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} e_ospf_router_lsa;
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typedef struct _e_ospf_router_data {
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guint32 link_id;
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guint32 link_data;
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guint8 link_type;
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guint8 nr_tos;
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guint16 tos0_metric;
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} e_ospf_router_data;
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typedef struct _e_ospf_router_metric {
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guint8 tos;
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guint8 empty;
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guint16 metric;
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} e_ospf_router_metric;
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typedef struct _e_ospf_network_lsa {
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guint32 network_mask;
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} e_ospf_network_lsa;
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typedef struct _e_ospf_lsa_upd_hdr {
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guint32 lsa_nr;
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} e_ospf_lsa_upd_hdr;
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typedef struct _e_ospf_summary_lsa {
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guint32 network_mask;
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} e_ospf_summary_lsa;
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typedef struct _e_ospf_asexternal_lsa {
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guint8 options;
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guint8 metric[3];
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guint32 gateway;
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guint32 external_tag;
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} e_ospf_asexternal_lsa;
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typedef struct _e_ospf_crypto {
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guint16 mbz;
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guint8 key_id;
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guint8 length;
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guint32 sequence_num;
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} e_ospf_crypto;
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#endif
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