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         uint8_t addr_len;
  32         uint8_t area_addr[20];
  33 };
  34
  35 struct isis_passwd {
  36         uint8_t len;
  37 #define ISIS_PASSWD_TYPE_UNUSED   0
  38 #define ISIS_PASSWD_TYPE_CLEARTXT 1
  39 #define ISIS_PASSWD_TYPE_HMAC_MD5 54
  40 #define ISIS_PASSWD_TYPE_PRIVATE  255
  41         uint8_t type;
  42 /* Authenticate SNPs? */
  43 #define SNP_AUTH_SEND   0x01
  44 #define SNP_AUTH_RECV   0x02
  45         uint8_t snp_auth;
  46         uint8_t passwd[255];
  47 };
  48
  49 /*
  50  * Supported Protocol IDs
  51  */
  52 struct nlpids {
  53         uint8_t count;
  54         uint8_t nlpids[4]; /* FIXME: enough ? */
  55 };
  56
  57 #endif