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; 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_HMAC_MD5 54
  39 #define ISIS_PASSWD_TYPE_PRIVATE  255
  40   u_char type;
  41   /* Authenticate SNPs? */
  42 #define SNP_AUTH_SEND   0x01
  43 #define SNP_AUTH_RECV   0x02
  44   u_char snp_auth;
  45   u_char passwd[255];
  46 };
  47
  48 /*
  49  * (Dynamic) Hostname
  50  * one struct for cache list
  51  * one struct for LSP TLV
  52  */
  53 struct hostname
  54 {
  55   u_char namelen;
  56   u_char name[255];
  57 };
  58
  59 /*
  60  * Supported Protocol IDs
  61  */
  62 struct nlpids
  63 {
  64   u_char count;
  65   u_char nlpids[4];             /* FIXME: enough ? */
  66 };
  67
  68 /*
  69  * Flags structure for SSN and SRM flags
  70  */
  71 struct flags
  72 {
  73   int maxindex;
  74   struct list *free_idcs;
  75 };