2 * Declares for hello handling inside isis.
4 * $Id: packet-isis-hello.h,v 1.2 2000/06/19 08:33:48 guy Exp $
5 * Stuart Stanley <stuarts@mxmail.net>
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@zing.org>
9 * Copyright 1998 Gerald Combs
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 #ifndef _PACKET_ISIS_HELLO_H
30 #define _PACKET_ISIS_HELLO_H
33 * Declarations for L1/L2 hello base header.
35 #define ISIS_HELLO_CTYPE_MASK 0x03
36 #define ISIS_HELLO_CT_RESERVED_MASK 0xfc
37 #define ISIS_HELLO_PRIORITY_MASK 0x7f
38 #define ISIS_HELLO_P_RESERVED_MASK 0x80
40 #define ISIS_HELLO_TYPE_RESERVED 0
41 #define ISIS_HELLO_TYPE_LEVEL_1 1
42 #define ISIS_HELLO_TYPE_LEVEL_2 2
43 #define ISIS_HELLO_TYPE_LEVEL_12 3
46 * detail clv information on l1 hello packets
48 #define ISIS_CLV_L1H_AREA_ADDRESS 1
49 #define ISIS_CLV_L1H_IS_NEIGHBORS 6
50 #define ISIS_CLV_L1H_PADDING 8
51 #define ISIS_CLV_L1H_NLPID 129
52 #define ISIS_CLV_L1H_IP_INTERFACE_ADDR 132
54 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
55 * this is would be appreciated!
57 #define ISIS_CLV_L1H_AUTHENTICATION_NS 10 /*non spec */
58 #define ISIS_CLV_L1H_AUTHENTICATION 133
61 * detail clv information on l2 hello packets
63 #define ISIS_CLV_L2H_AREA_ADDRESS 1
64 #define ISIS_CLV_L2H_IS_NEIGHBORS 6
65 #define ISIS_CLV_L2H_PADDING 8
66 #define ISIS_CLV_L2H_NLPID 129
67 #define ISIS_CLV_L2H_IP_INTERFACE_ADDR 132
69 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
70 * this is would be appreciated!
72 #define ISIS_CLV_L2H_AUTHENTICATION_NS 10 /*non spec */
73 #define ISIS_CLV_L2H_AUTHENTICATION 133
76 * detail clv information on PTP hello packets
78 #define ISIS_CLV_PTP_AREA_ADDRESS 1
79 #define ISIS_CLV_PTP_PADDING 8
80 #define ISIS_CLV_PTP_NLPID 129
81 #define ISIS_CLV_PTP_IP_INTERFACE_ADDR 132
83 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
84 * this is would be appreciated!
86 #define ISIS_CLV_PTP_AUTHENTICATION_NS 10 /*non spec */
87 #define ISIS_CLV_PTP_AUTHENTICATION 133
90 * Published API functions. NOTE, this are "local" API functions and
91 * are only valid from with isis decodes.
93 extern void isis_dissect_isis_hello(int hello_type, int header_length,
94 int id_length, const u_char *pd, int offset, frame_data *fd,
96 #endif /* _PACKET_ISIS_HELLO_H */