/*
 * IS-IS Rout(e)ing protocol - iso_checksum.c
 *                             ISO checksum related routines
 *
 * Copyright (C) 2001,2002   Sampo Saaristo
 *                           Tampere University of Technology      
 *                           Institute of Communications Engineering
 *
 * This program is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU General Public Licenseas published by the Free 
 * Software Foundation; either version 2 of the License, or (at your option) 
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
 * more details.
 *
 * You should have received a copy of the GNU General Public License along 
 * with this program; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
#ifndef _ZEBRA_ISO_CSUM_H
#define _ZEBRA_ISO_CSUM_H

int iso_csum_verify (u_char *buffer, int len, uint16_t *csum);
u_int16_t iso_csum_create (u_char *buffer, int len, u_int16_t n);

#endif /* _ZEBRA_ISO_CSUM_H */