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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: /*
   25:  * Area Address
   26:  */
   27: struct area_addr
   28: {
   29:   u_char addr_len;
   30:   u_char area_addr[20];
   31: };
   32: 
   33: struct isis_passwd
   34: {
   35:   u_char len;
   36: #define ISIS_PASSWD_TYPE_UNUSED   0
   37: #define ISIS_PASSWD_TYPE_CLEARTXT 1
   38: #define ISIS_PASSWD_TYPE_PRIVATE  255
   39:   u_char type;
   40:   /* Authenticate SNPs? */
   41: #define SNP_AUTH_SEND   0x01
   42: #define SNP_AUTH_RECV   0x02
   43:   u_char snp_auth;
   44:   u_char passwd[255];
   45: };
   46: 
   47: /*
   48:  * (Dynamic) Hostname
   49:  * one struct for cache list
   50:  * one struct for LSP TLV
   51:  */
   52: struct hostname
   53: {
   54:   u_char namelen;
   55:   u_char name[255];
   56: };
   57: 
   58: /*
   59:  * Supported Protocol IDs
   60:  */
   61: struct nlpids
   62: {
   63:   u_char count;
   64:   u_char nlpids[4];		/* FIXME: enough ? */
   65: };
   66: 
   67: /*
   68:  * Flags structure for SSN and SRM flags
   69:  */
   70: struct flags
   71: {
   72:   int maxindex;
   73:   struct list *free_idcs;
   74: };