2 * Declares for hello handling inside isis.
4 * $Id: packet-isis-hello.h,v 1.10 2002/08/29 18:52:51 guy Exp $
5 * Stuart Stanley <stuarts@mxmail.net>
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #ifndef _PACKET_ISIS_HELLO_H
27 #define _PACKET_ISIS_HELLO_H
30 * Declarations for L1/L2 hello base header.
32 #define ISIS_HELLO_CTYPE_MASK 0x03
33 #define ISIS_HELLO_CT_RESERVED_MASK 0xfc
34 #define ISIS_HELLO_PRIORITY_MASK 0x7f
35 #define ISIS_HELLO_P_RESERVED_MASK 0x80
37 #define ISIS_HELLO_TYPE_RESERVED 0
38 #define ISIS_HELLO_TYPE_LEVEL_1 1
39 #define ISIS_HELLO_TYPE_LEVEL_2 2
40 #define ISIS_HELLO_TYPE_LEVEL_12 3
43 * detail clv information on l1 hello packets
45 #define ISIS_CLV_L1H_AREA_ADDRESS 1
46 #define ISIS_CLV_L1H_IS_NEIGHBORS 6
47 #define ISIS_CLV_L1H_PADDING 8
48 #define ISIS_CLV_L1H_NLPID 129
49 #define ISIS_CLV_L1H_IP_INTERFACE_ADDR 132
50 #define ISIS_CLV_L1H_RESTART 211
51 #define ISIS_CLV_L1H_MT 229
52 #define ISIS_CLV_L1H_IPv6_INTERFACE_ADDR 232
55 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
56 * this is would be appreciated!
58 #define ISIS_CLV_L1H_AUTHENTICATION_NS 10 /*non spec */
59 #define ISIS_CLV_L1H_AUTHENTICATION 133
62 * detail clv information on l2 hello packets
64 #define ISIS_CLV_L2H_AREA_ADDRESS 1
65 #define ISIS_CLV_L2H_IS_NEIGHBORS 6
66 #define ISIS_CLV_L2H_PADDING 8
67 #define ISIS_CLV_L2H_NLPID 129
68 #define ISIS_CLV_L2H_IP_INTERFACE_ADDR 132
69 #define ISIS_CLV_L2H_RESTART 211
70 #define ISIS_CLV_L2H_MT 229
71 #define ISIS_CLV_L2H_IPv6_INTERFACE_ADDR 232
73 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
74 * this is would be appreciated!
76 #define ISIS_CLV_L2H_AUTHENTICATION_NS 10 /*non spec */
77 #define ISIS_CLV_L2H_AUTHENTICATION 133
80 * detail clv information on PTP hello packets
82 #define ISIS_CLV_PTP_AREA_ADDRESS 1
83 #define ISIS_CLV_PTP_PADDING 8
84 #define ISIS_CLV_PTP_NLPID 129
85 #define ISIS_CLV_PTP_IP_INTERFACE_ADDR 132
86 #define ISIS_CLV_PTP_RESTART 211
87 #define ISIS_CLV_PTP_MT 229
88 #define ISIS_CLV_PTP_IPv6_INTERFACE_ADDR 232
89 #define ISIS_CLV_PTP_ADJ 240
91 * Note, the spec say 133, but everyone seems to use 10. Any clue on why
92 * this is would be appreciated!
94 #define ISIS_CLV_PTP_AUTHENTICATION_NS 10 /*non spec */
95 #define ISIS_CLV_PTP_AUTHENTICATION 133
98 * misc. bittest macros
101 #define ISIS_MASK_RESTART_RR(x) ((x)&0x1)
102 #define ISIS_MASK_RESTART_RA(x) ((x)&0x2)
105 * Published API functions. NOTE, this are "local" API functions and
106 * are only valid from with isis decodes.
108 extern void isis_dissect_isis_hello(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
109 int offset, int hello_type, int header_length,int id_length);
110 extern void isis_register_hello(int proto_isis);
112 #endif /* _PACKET_ISIS_HELLO_H */