113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/* packet-isis-hello.h
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* Declares for hello handling inside isis.
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*
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* $Id: packet-isis-hello.h,v 1.1 1999/12/15 04:34:18 guy Exp $
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* Stuart Stanley <stuarts@mxmail.net>
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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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*
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*/
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#ifndef _PACKET_ISIS_HELLO_H
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#define _PACKET_ISIS_HELLO_H
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/*
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* Declare L1/L2 hello base header.
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*/
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typedef struct {
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guint8 isis_hello_circuit_reserved; /* circuit type & reserved */
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#define ISIS_HELLO_CTYPE_MASK 0x03
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#define ISIS_HELLO_CT_RESERVED_MASK 0xfc
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guint8 isis_hello_source_id[6]; /* source id */
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guint8 isis_hello_holding_timer[2]; /* holding timer */
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guint8 isis_hello_pdu_length[2]; /* full length, including hdr */
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guint8 isis_hello_priority_reserved; /* priority & reserved */
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#define ISIS_HELLO_PRIORITY_MASK 0x7f
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#define ISIS_HELLO_P_RESERVED_MASK 0x80
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guint8 isis_hello_lan_id[7]; /* LAN id */
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} isis_hello_t;
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#define isis_hello_circuit isis_hello_circuit_reserved&ISIS_HELLO_CTYPE_MASK
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#define isis_hello_creserved \
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isis_hello_circuit_reserved&ISIS_HELLO_CT_RESERVED_MASK
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#define isis_hello_priority \
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isis_hello_priority_reserved&ISIS_HELLO_PRIORITY_MASK
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#define isis_hello_preserved \
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isis_hello_priority_reserved&ISIS_HELLO_P_RESERVED_MASK
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#define ISIS_HELLO_TYPE_RESERVED 0
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#define ISIS_HELLO_TYPE_LEVEL_1 1
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#define ISIS_HELLO_TYPE_LEVEL_2 2
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#define ISIS_HELLO_TYPE_LEVEL_12 3
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/*
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* detail clv information on l1 hello packets
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*/
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#define ISIS_CLV_L1H_AREA_ADDRESS 1
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#define ISIS_CLV_L1H_IS_NEIGHBORS 6
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#define ISIS_CLV_L1H_PADDING 8
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#define ISIS_CLV_L1H_NLPID 129
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#define ISIS_CLV_L1H_IP_INTERFACE_ADDR 132
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/*
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* Note, the spec say 133, but everyone seems to use 10. Any clue on why
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* this is would be appreciated!
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*/
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#define ISIS_CLV_L1H_AUTHENTICATION_NS 10 /*non spec */
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#define ISIS_CLV_L1H_AUTHENTICATION 133
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/*
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* detail clv information on l2 hello packets
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*/
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#define ISIS_CLV_L2H_AREA_ADDRESS 1
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#define ISIS_CLV_L2H_IS_NEIGHBORS 6
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#define ISIS_CLV_L2H_PADDING 8
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#define ISIS_CLV_L2H_NLPID 129
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#define ISIS_CLV_L2H_IP_INTERFACE_ADDR 132
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/*
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* Note, the spec say 133, but everyone seems to use 10. Any clue on why
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* this is would be appreciated!
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*/
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#define ISIS_CLV_L2H_AUTHENTICATION_NS 10 /*non spec */
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#define ISIS_CLV_L2H_AUTHENTICATION 133
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/*
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* detail clv information on PTP hello packets
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*/
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#define ISIS_CLV_PTP_AREA_ADDRESS 1
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#define ISIS_CLV_PTP_PADDING 8
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#define ISIS_CLV_PTP_NLPID 129
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#define ISIS_CLV_PTP_IP_INTERFACE_ADDR 132
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/*
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* Note, the spec say 133, but everyone seems to use 10. Any clue on why
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* this is would be appreciated!
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*/
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#define ISIS_CLV_PTP_AUTHENTICATION_NS 10 /*non spec */
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#define ISIS_CLV_PTP_AUTHENTICATION 133
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/*
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* Published API functions. NOTE, this are "local" API functions and
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* are only valid from with isis decodes.
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*/
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extern void isis_dissect_isis_hello(int hello_type, int header_length,
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const u_char *pd, int offset, frame_data *fd, proto_tree *tree);
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#endif /* _PACKET_ISIS_HELLO_H */
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