isisd/isis_common.h

   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; see the file COPYING; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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_HMAC_MD5 54
  42 #define ISIS_PASSWD_TYPE_PRIVATE  255
  43   u_char type;
  44   /* Authenticate SNPs? */
  45 #define SNP_AUTH_SEND   0x01
  46 #define SNP_AUTH_RECV   0x02
  47   u_char snp_auth;
  48   u_char passwd[255];
  49 };
  50
  51 /*
  52  * (Dynamic) Hostname
  53  * one struct for cache list
  54  * one struct for LSP TLV
  55  */
  56 struct hostname
  57 {
  58   u_char namelen;
  59   u_char name[255];
  60 };
  61
  62 /*
  63  * Supported Protocol IDs
  64  */
  65 struct nlpids
  66 {
  67   u_char count;
  68   u_char nlpids[4];             /* FIXME: enough ? */
  69 };
  70
  71 #endif