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/* packet-isis-clv.h
 * Declares for common clv decoding functions.
 *
 * $Id: packet-isis-clv.h,v 1.9 2002/08/28 21:00:18 jmayer Exp $
 * Stuart Stanley <stuarts@mxmail.net>
 *
 * Ethereal - Network traffic analyzer
 * By Gerald Combs <gerald@ethereal.com>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as 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 _PACKET_ISIS_CLV_H
#define _PACKET_ISIS_CLV_H

/*
 * Our sub-packet dismantle structure for CLV's
 */
typedef struct {
	int	optcode;		/* code for option */
	char	*tree_text;		/* text for fold out */
	gint	*tree_id;		/* id for add_item */
	void	(*dissect)(tvbuff_t *tvb, proto_tree *tree,
				int offset, int id_length, int length);
} isis_clv_handle_t;

/*
 * Published API functions.  NOTE, this are "local" API functions and
 * are only valid from with isis decodes.
 */
extern void isis_dissect_clvs(tvbuff_t *tvb, proto_tree *tree, int offset,
	const isis_clv_handle_t *opts, int len,	int id_length,
	int unknown_tree_id);

extern void isis_dissect_nlpid_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length);
extern void isis_dissect_te_router_id_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length, int tree_id);
extern void isis_dissect_ipv6_int_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length, int tree_id);
extern void isis_dissect_ip_int_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length, int tree_id);
extern void isis_dissect_mt_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length, int tree_id);
extern void isis_dissect_hostname_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length);
extern void isis_dissect_authentication_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length, char *meaning);
extern void isis_dissect_area_address_clv(tvbuff_t *tvb, proto_tree *tree,
	int offset, int length);

extern void isis_dissect_metric(tvbuff_t *tvb, proto_tree *tree, int offset,
	guint8 value, char *pstr, int force_supported);

#endif /* _PACKET_ISIS_CLV_H */