isisd/isis_common.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * IS-IS Rout(e)ing protocol - isis_common.h
   4  *                             some common data structures
   5  *
   6  * Copyright (C) 2001,2002   Sampo Saaristo
   7  *                           Tampere University of Technology
   8  *                           Institute of Communications Engineering
   9  */
  10
  11 #ifndef ISIS_COMMON_H
  12 #define ISIS_COMMON_H
  13
  14 /*
  15  * Area Address
  16  */
  17 struct area_addr {
  18         uint8_t addr_len;
  19         uint8_t area_addr[20];
  20 };
  21
  22 struct isis_passwd {
  23         uint8_t len;
  24 #define ISIS_PASSWD_TYPE_UNUSED   0
  25 #define ISIS_PASSWD_TYPE_CLEARTXT 1
  26 #define ISIS_PASSWD_TYPE_HMAC_MD5 54
  27 #define ISIS_PASSWD_TYPE_PRIVATE  255
  28         uint8_t type;
  29 /* Authenticate SNPs? */
  30 #define SNP_AUTH_SEND   0x01
  31 #define SNP_AUTH_RECV   0x02
  32         uint8_t snp_auth;
  33         uint8_t passwd[255];
  34 };
  35
  36 /*
  37  * Supported Protocol IDs
  38  */
  39 struct nlpids {
  40         uint8_t count;
  41         uint8_t nlpids[4]; /* FIXME: enough ? */
  42 };
  43
  44 #endif