//
// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 Yokogawa Electric Corporation,
// IPA (Information-technology Promotion Agency, Japan).
// All rights reserved.
// 
// Redistribution and use of this software in source and binary forms, with 
// or without modification, are permitted provided that the following 
// conditions and disclaimer are agreed and accepted by the user:
// 
// 1. Redistributions of source code must retain the above copyright 
// notice, this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright 
// notice, this list of conditions and the following disclaimer in the 
// documentation and/or other materials provided with the distribution.
// 
// 3. Neither the names of the copyrighters, the name of the project which 
// is related to this software (hereinafter referred to as "project") nor 
// the names of the contributors may be used to endorse or promote products 
// derived from this software without specific prior written permission.
// 
// 4. No merchantable use may be permitted without prior written 
// notification to the copyrighters. However, using this software for the 
// purpose of testing or evaluating any products including merchantable 
// products may be permitted without any notification to the copyrighters.
// 
// 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHTERS, THE PROJECT AND 
// CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING 
// BUT NOT LIMITED THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
// FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.  IN NO EVENT SHALL THE 
// COPYRIGHTERS, THE PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
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//
// $Name: REL_2_1_2 $
//
// $TAHI: ct/spec/HL_OneToRouter.def,v 1.8 2001/10/10 06:19:01 toba Exp $
//

#define HOP_LIMIT		1

#include "./IH_Router.def"

/*
 * HopLimit unchanged (1)
 */

FEM_icmp6_time_exceeded(
	icmp_type3_code0,
	_HETHER_nut2tn,
	{
		_SRC(NUT_GL0_ADDR);
		_DST(TN_GL0_ADDR);
	},
	{
		Code = 0;	// hop limit exeeded in transit
		payload = err;
	}
)

FEM_icmp6_time_exceeded(
	icmp_type3_code0_link1,
	_HETHER_nut2tn,
	{
		_SRC(NUT_GL1_ADDR);
		_DST(TN_GL0_ADDR);
	},
	{
		Code = 0;	// hop limit exeeded in transit
		payload = err;
	}
)

Payload err {
	data = right(_PACKET_IPV6_NAME(echo_request_to_link0), 0);
}

/*
 * HopLimit changed (0)
 */

FEM_icmp6_echo_request(
	echo_request_from_link1_hoplimit0,
	_HETHER_nut2tn,
	{
		TrafficClass = TRAFFIC_CLASS;
		FlowLabel = FLOW_LABEL;
		HopLimit = 0;
		_SRC(TN_GL0_ADDR);
		_DST(TN_GL1_ADDR);
	},
	{
		Identifier = PING_ID;
		SequenceNumber = PING_SN;
		payload = echo_data8;
	}
)

FEM_icmp6_time_exceeded(
	icmp_type3_code0_hoplimit0,
	_HETHER_nut2tn,
	{
		_SRC(NUT_GL0_ADDR);
		_DST(TN_GL0_ADDR);
	},
	{
		Code = 0;	// hop limit exeeded in transit
		payload = err_hoplimit0;
	}
)

FEM_icmp6_time_exceeded(
	icmp_type3_code0_link1_hoplimit0,
	_HETHER_nut2tn,
	{
		_SRC(NUT_GL1_ADDR);
		_DST(TN_GL0_ADDR);
	},
	{
		Code = 0;	// hop limit exeeded in transit
		payload = err_hoplimit0;
	}
)

Payload err_hoplimit0 {
	data = right(_PACKET_IPV6_NAME(echo_request_from_link1_hoplimit0), 0);
}