//
// $Copyright$
//
// $TAHI: ct/natpt/rfc2765_3.1_hoplimit.def,v 1.3 2001/10/11 01:41:46 akisada Exp $
//

#include "natpt.def"

#define FEM_icmp4_ttl(_pTTL) \
FEM_icmp4_echo_request( \
	icmp4_ttl_ ## _pTTL, \
	_HETHER_tn2nut, \
	{ \
		DF=1; \
		SourceAddress=TN_LINK1_V4_ADDRESS; \
		DestinationAddress=TN_LINK0_V4_ADDRESS;	 \
		TTL = _pTTL; \
	}, \
	{ \
		payload=ping_data; \
	} \
)

#define FEM_icmp4_time_exceeded_ttl(_pTTL) \
FEM_icmp4_time_exceeded( \
	icmp4_ttl_ ## _pTTL ## _exceed, \
	_HETHER_nut2tn, \
	{ \
		_SRC(NUT_LINK1_V4_ADDRESS); \
		_DST(TN_LINK1_V4_ADDRESS); \
	}, \
	{ \
		Code = 0; \
		payload = payload_icmp4_ttl_ ## _pTTL; \
	} \
) \
Payload payload_icmp4_ttl_ ## _pTTL \
{ \
		data = right(_PACKET_IPV4_NAME(icmp4_ttl_ ## _pTTL), 0); \
}

#define FEM_icmp6_hoplimit(_pHOPLIMIT)  \
FEM_icmp6_echo_request(  \
        icmp6_hoplimit_ ## _pHOPLIMIT,  \
        _HETHER_nut2tn,  \
	{  \
	        _SRC(TN_LINK1_SIIT_ADDRESS);  \
		_DST(TN_LINK0_SIIT_ADDRESS);  \
		HopLimit = _pHOPLIMIT; \
	},  \
	{  \
		payload=ping_data; \
	}  \
)

FEM_icmp4_ttl(255)
FEM_icmp6_hoplimit(254)

FEM_icmp4_ttl(64)
FEM_icmp6_hoplimit(63)

FEM_icmp4_ttl(2)
FEM_icmp6_hoplimit(1)

FEM_icmp4_ttl(1)
FEM_icmp4_time_exceeded_ttl(1)

FEM_icmp4_ttl(0)
FEM_icmp4_time_exceeded_ttl(0)