1 /*
2  * IS-IS Rout(e)ing protocol - isis_common.h
3  *                             some common data structures
4  *
5  * Copyright (C) 2001,2002   Sampo Saaristo
6  *                           Tampere University of Technology
7  *                           Institute of Communications Engineering
8  *
9  * This program is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU General Public Licenseas published by the Free
11  * Software Foundation; either version 2 of the License, or (at your option)
12  * any later version.
13  *
14  * This program is distributed in the hope that it will be useful,but WITHOUT
15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
17  * more details.
18 
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
22  */
23 
24 #ifndef _ISIS_COMMON_H_
25 #define _ISIS_COMMON_H_
26 
27 /*
28  * Area Address
29  */
30 struct area_addr
31 {
32   u_char addr_len;
33   u_char area_addr[20];
34 };
35 
36 struct isis_passwd
37 {
38   u_char len;
39 #define ISIS_PASSWD_TYPE_UNUSED   0
40 #define ISIS_PASSWD_TYPE_CLEARTXT 1
41 #define ISIS_PASSWD_TYPE_PRIVATE  255
42   u_char type;
43   /* Authenticate SNPs? */
44 #define SNP_AUTH_SEND   0x01
45 #define SNP_AUTH_RECV   0x02
46   u_char snp_auth;
47   u_char passwd[255];
48 };
49 
50 /*
51  * (Dynamic) Hostname
52  * one struct for cache list
53  * one struct for LSP TLV
54  */
55 struct hostname
56 {
57   u_char namelen;
58   u_char name[255];
59 };
60 
61 /*
62  * Supported Protocol IDs
63  */
64 struct nlpids
65 {
66   u_char count;
67   u_char nlpids[4];		/* FIXME: enough ? */
68 };
69 
70 /*
71  * Flags structure for SSN and SRM flags
72  */
73 struct flags
74 {
75   int maxindex;
76   struct pm_list *free_idcs;
77 };
78 
79 #endif /* _ISIS_COMMON_H_ */
80