//
// $Copyright$
//
// $TAHI: ct/mip6/CN_Common.def,v 1.5.4.2 2002/01/07 08:19:02 akisada Exp $
//

// Pad1 option
// Echo Request from MN to NUT (no Home Address Option)
// Echo Request from MN to NUT (Home Address Option)
// Echo Reply from NUT to MN (no Routing Header)
// Echo Reply from NUT to MN (no Binding Cache entry)
// Echo Reply from NUT to MN (with Binding Cache entry)
// NS from NUT to R1
// NA from R1 to NUT (global)
// NA from R1 to NUT (link-local)
// Router Advertisement

_HETHER_define(_HETHER_r12nut,		ether(A0N_MAC_ADDR),	nutether())
_HETHER_define(_HETHER_r12allnodes,	ether(A0N_MAC_ADDR),	v62ethermulti(v6(_ALLNODES_MCAST_ADDR)))
_HETHER_define(_HETHER_nut2r1,		nutether(),		ether(A0N_MAC_ADDR))
_HETHER_define(_HETHER_nut2r1solnode,	nutether(),		_ETHER_SOLNODE_MCAST(v6(_GLOBAL0A0N_UCAST_ADDR)))

//================================================================
//  Pad1 option
    
Opt_Pad1 opt_pad1 {}

//================================================================
//  Echo Request from MN to NUT (no Home Address Option)

FEM_icmp6_echo_request(
	echorequest,
	_HETHER_r12nut,
	{
		_SRC(v6(CAREOFADDR));
		_DST(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
	},
	{
		payload = data8;
	}
)

Payload data8 {
	data = repeat(0x00, 8);
}

//================================================================
//  Echo Request from MN to NUT (Home Address Option)

FEM_icmp6_echo_request_exth(
	echorequest_ex,
	_HETHER_r12nut,
	{
		_SRC(v6(CAREOFADDR));
		_DST(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
	},
	{
		header = _HDR_IPV6_NAME(echorequest_ex);
		exthdr = ext_homeaddress;
		upper  = _ICMPV6_NAME(echorequest_ex);
	},
	{
		payload = data8;
	}
)

Hdr_Destination ext_homeaddress {
	option = opt_pad4;
	option = opt_homeaddress;
}

Opt_PadN opt_pad4 {
	pad = repeat(0x00, 2);
}

Opt_MIPHomeAddress opt_homeaddress {
	HomeAddress = v6(HOMEADDR);
}

//================================================================
//  Echo Reply from NUT to MN (no Routing Header)

FEM_icmp6_echo_reply(
	echoreply,
	_HETHER_nut2r1,
	{
		_SRC(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
		_DST(v6(CAREOFADDR));
	},
	{
		payload = data8;
	}
)

//================================================================
//  Echo Reply from NUT to MN (no Binding Cache entry)

FEM_icmp6_echo_reply(
	echoreply_no_bce,
	_HETHER_nut2r1,
	{
		_SRC(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
		_DST(v6(HOMEADDR));
	},
	{
		payload = data8;
	}
)

//================================================================
//  Echo Reply from NUT to MN (with Binding Cache entry)

FEM_icmp6_echo_reply_exth(
	echoreply_bce,
	_HETHER_nut2r1,
	{
		_SRC(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
		_DST(v6(CAREOFADDR));
	},
	{
		header = _HDR_IPV6_NAME(echoreply_bce);
		exthdr = ext_routing;
		upper  = _ICMPV6_NAME(echoreply_bce);
	},
	{
		payload = data8;
	}
)

Hdr_Routing ext_routing {
	SegmentsLeft = 1;
	Address      = v6(HOMEADDR);
}       

//================================================================
//  NS from NUT to R1

FEM_icmp6_ns(
	ns_r1_global,
	_HETHER_nut2r1solnode,
	{
		HopLimit = 255;
		_SRC(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
		_DST(_IPV6_SOLNODE_MCAST(v6(_GLOBAL0A0N_UCAST_ADDR)));
	},
	{
		TargetAddress = v6(_GLOBAL0A0N_UCAST_ADDR);
		option        = _SLLOPT_nut;
	}
)

//================================================================
//  NA from R1 to NUT (global)

FEM_icmp6_na(
	na_r1_global,
	_HETHER_r12nut,
	{
		HopLimit = 255;
		_SRC(v6(_GLOBAL0A0N_UCAST_ADDR));
		_DST(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
	},
	{
		RFlag         = 1;
		SFlag         = 1;
		OFlag         = 1;
		TargetAddress = v6(_GLOBAL0A0N_UCAST_ADDR);
		option        = tll_r1;
	}
)

Opt_ICMPv6_TLL tll_r1 {
	LinkLayerAddress = ether(A0N_MAC_ADDR);
}

//================================================================
//  NA from R1 to NUT (link-local)

FEM_icmp6_na(
	na_r1_linklocal,
	_HETHER_r12nut,
	{
		HopLimit = 255;
		_SRC(v6(_LLOCAL0A0N_UCAST_ADDR));
		_DST(nutv6());
	},
	{
		RFlag         = 1;
		SFlag         = 1;
		OFlag         = 1;
		TargetAddress = v6(_LLOCAL0A0N_UCAST_ADDR);
		option        = tll_r1;
	}
)

//================================================================
//  Router Advertisement

FEM_icmp6_ra(
	ra_r1,
	_HETHER_r12allnodes,
	{
		HopLimit = 255;
		_SRC(v6(_LLOCAL0A0N_UCAST_ADDR));
		_DST(v6(_ALLNODES_MCAST_ADDR));
	},
	{
		LifeTime = 1800;
		option   = opt_sll_r1;
		option   = opt_mtu_1500;
		option   = opt_prefixinformation_r1;
	}
)

Opt_ICMPv6_SLL opt_sll_r1 {
	LinkLayerAddress = ether(A0N_MAC_ADDR);
}

Opt_ICMPv6_MTU opt_mtu_1500 {
	MTU = 1500;
}

Opt_ICMPv6_Prefix opt_prefixinformation_r1 {
	LFlag             = 1;
	AFlag             = 1;
	ValidLifetime     = 2592000;
	PreferredLifetime = 604800;
	Prefix            = v6(_GLOBAL0_UCAST_PRFX);
}

//================================================================
//  Parameter Problem

FEM_icmp6_parameter_problem(
	param_problem,
	_HETHER_nut2r1,
	{
		_SRC(nut2v6(_GLOBAL0_UCAST_PRFX, 64));
		_DST(v6(CAREOFADDR));
	},
	{
		Code    = 2;
		Pointer = any;
		payload = any;
	}
)

#ifdef KAME
//================================================================
//  Authentication Data Sub-Option

Opt_MIP_AuthenticationData kame_auth {
//	Type     = 4;
//	Length   = 4;
//	SPI      = 0;
//	AuthData = calc();
}

//================================================================
//  PadN Sub-Option

Opt_MIP_PadN sub_opt_pad2 {
//	Type   = 1;
//	Length = 0;
//	pad    = ;
}
#endif