2 * Declares for hello handling inside isis.
5 * Stuart Stanley <stuarts@mxmail.net>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
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 * misc. bittest macros
46 #define ISIS_RESTART_RR 0x01
47 #define ISIS_RESTART_RA 0x02
48 #define ISIS_RESTART_SA 0x04
49 #define ISIS_MASK_RESTART_RR(x) ((x)&ISIS_RESTART_RR)
50 #define ISIS_MASK_RESTART_RA(x) ((x)&ISIS_RESTART_RA)
51 #define ISIS_MASK_RESTART_SA(x) ((x)&ISIS_RESTART_SA)
54 * Published API functions. NOTE, this are "local" API functions and
55 * are only valid from with isis decodes.
57 extern void isis_dissect_isis_hello(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
58 int offset, int hello_type, int header_length,int id_length);
59 extern void isis_register_hello(int proto_isis);
61 #endif /* _PACKET_ISIS_HELLO_H */