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    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_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