// 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, 
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
// THE POSSIBILITY OF SUCH DAMAGE.
//
// $TAHI: ct/nd/hostRecvRedirect4OnlinkNUD.def,v 1.6 2002/02/27 06:11:40 masaxmasa Exp $

#include "nd.def"

//----------------------------------------------------------------------
_HETHER_define(hether_rone2nut, ether(A0N_MAC_ADDR), nutether())
_HETHER_define(hether_nut2rone, nutether(), ether(A0N_MAC_ADDR))

_HETHER_define(hether_nut2hone, nutether(), ether(A9N_MAC_ADDR))

_HETHER_define(hether_rone2allnodes, ether(A0N_MAC_ADDR),
        v62ethermulti(v6(_ALLNODES_MCAST_ADDR)))

_SLLOPT_define(sllopt_rone, ether(A0N_MAC_ADDR))
_TLLOPT_define(tllopt_rone, ether(A0N_MAC_ADDR))

_TLLOPT_define(tllopt_hone, ether(A9N_MAC_ADDR))

#define SIZE_ETHER_HEADER	14

//----------------------------------------------------------------------
// multicast RA
//      R1(link-local) ==> all-node
//      M=0, O=0
//      lifetime=600 or 0 sec
//      ReachableTime=0 msec (not specified)
//      RetransTimer=0 msec (not specified)
//      w/ SLLA
//      w/ prefix
//              l=1, a=1
//              ValidLifetime=2592000
//              PreferredLifetime=604800;
//----------------------------------------------------------------------
FEM_icmp6_ra(ra_rone2allnode_sll, hether_rone2allnodes,
        {
         _SRC(v6ether(A0N_MAC_ADDR));
         _DST(v6(_ALLNODES_MCAST_ADDR));
         HopLimit=255;
        },
        {
         CurHopLimit=0;
         MFlag=0;
         OFlag=0;
         LifeTime=600;
         ReachableTime=0;
         RetransTimer=0;
         option=sllopt_rone;
         option=prefixopt;
        }
)

//----------------------------------------------------------------------
FEM_icmp6_ra(ra_rone2allnode_clrrtr, hether_rone2allnodes,
        {
         _SRC(v6ether(A0N_MAC_ADDR));
         _DST(v6(_ALLNODES_MCAST_ADDR));
         HopLimit=255;
        },
        {
         CurHopLimit=0;
         MFlag=0;
         OFlag=0;
         LifeTime=0;
         ReachableTime=0;
         RetransTimer=0;
        }
)

////----------------------------------------------------------------------
//// multicast RA
////      TN(link-local) ==> all-node
////      M=0, O=0
////      lifetime=600 or 0 sec
////      ReachableTime=0 msec (not specified)
////      RetransTimer=0 msec (not specified)
////      w/ SLLA
////      w/ prefix
////              l=1, a=1
////              ValidLifetime=2592000
////              PreferredLifetime=604800;
////----------------------------------------------------------------------
//FEM_icmp6_ra(ra_tn2allnode_sll, _HETHER_tn2allnodes,
//        {
//         _SRC(tnv6());
//         _DST(v6(_ALLNODES_MCAST_ADDR));
//         HopLimit=255;
//        },
//        {
//         CurHopLimit=0;
//         MFlag=0;
//         OFlag=0;
//         LifeTime=600;
//         ReachableTime=0;
//         RetransTimer=0;
//         option=_SLLOPT_tn;
//         option=prefixopt;
//        }
//)

//----------------------------------------------------------------------
Opt_ICMPv6_Prefix prefixopt {
//      Type=3;
//      Length=4;
//      PrefixLength=_GLOBAL0_UCAST_PRFXLEN;
        LFlag=1;
        AFlag=1;        
//      Reserved1=ZERO; 
        ValidLifetime=2592000;
        PreferredLifetime=604800;
//      Reserved2=ZERO; 
        Prefix=v6(_GLOBAL0_UCAST_PRFX);
}

//----------------------------------------------------------------------
// unicast NA
//      R1(link-local) ==> NUT(link-local)
//      R=1, S=1, O=1
//	target=R1(link-local)
//      w/ TLLA
//----------------------------------------------------------------------
FEM_icmp6_na(unicast_na_rone2nut_RSO_tll, hether_rone2nut,
        {
         _SRC(v6ether(A0N_MAC_ADDR));
         _DST(nutv6());
         HopLimit=255;
        },
        {
         RFlag=1;
         SFlag=1;
         OFlag=1;
         TargetAddress=v6ether(A0N_MAC_ADDR);
         option=tllopt_rone;
        }
)

////----------------------------------------------------------------------
//// unicast NA
////      TN(link-local) ==> NUT(link-local)
////      R=1, S=1, O=1
////	target=TN(link-local)
////      w/ TLLA
////----------------------------------------------------------------------
//FEM_icmp6_na(unicast_na_tn2nut_RSO_tll, _HETHER_tn2nut,
//        {
//	 _SRC(tnv6());
//         _DST(nutv6());
//         HopLimit=255;
//        },
//        {
//         RFlag=1;
//         SFlag=1;
//         OFlag=1;
//         TargetAddress=tnv6();
//         option=_TLLOPT_tn;
//        }
//)

//----------------------------------------------------------------------
// echo-request A
//----------------------------------------------------------------------
FEM_icmp6_echo_request(echo_request_a, hether_rone2nut,
	{
         _SRC(v6merge(_GLOBAL9_UCAST_PRFX, _GLOBAL9_UCAST_PRFXLEN,
                        tnv6()));
	 _DST(nut2v6(_GLOBAL0_UCAST_PRFX, _GLOBAL0_UCAST_PRFXLEN));
	},
	{
	 payload=echo_data_a;
	}
)

//----------------------------------------------------------------------
// echo-reply A
//----------------------------------------------------------------------
FEM_icmp6_echo_reply(echo_reply_a, hether_nut2rone,
	{
	 _SRC(nut2v6(_GLOBAL0_UCAST_PRFX, _GLOBAL0_UCAST_PRFXLEN));
         _DST(v6merge(_GLOBAL9_UCAST_PRFX, _GLOBAL9_UCAST_PRFXLEN,
                        tnv6()));
	},
	{
	 payload=echo_data_a;
	}
)

//----------------------------------------------------------------------
Payload echo_data_a {
        data=repeat(0xff, 0x10);
}

//----------------------------------------------------------------------
// echo-request B
//	that is forwarded from R1
//----------------------------------------------------------------------
FEM_icmp6_echo_request(echo_request_b, hether_rone2nut,
	{
         _SRC(v6merge(_GLOBAL9_UCAST_PRFX, _GLOBAL9_UCAST_PRFXLEN,
                        tnv6()));
	 _DST(nut2v6(_GLOBAL0_UCAST_PRFX, _GLOBAL0_UCAST_PRFXLEN));
	},
	{
	 payload=echo_data_b;
	}
)

//----------------------------------------------------------------------
// echo-reply B
//	that is thrown to the R1
//----------------------------------------------------------------------
FEM_icmp6_echo_reply(echo_reply_b, hether_nut2rone,
	{
	 _SRC(nut2v6(_GLOBAL0_UCAST_PRFX, _GLOBAL0_UCAST_PRFXLEN));
         _DST(v6merge(_GLOBAL9_UCAST_PRFX, _GLOBAL9_UCAST_PRFXLEN,
                        tnv6()));
	},
	{
	 payload=echo_data_b;
	}
)

//----------------------------------------------------------------------
// echo-reply B
//	whose destination is on-link
//----------------------------------------------------------------------
FEM_icmp6_echo_reply(echo_reply_b_onlink, hether_nut2hone,
	{
	 _SRC(nut2v6(_GLOBAL0_UCAST_PRFX, _GLOBAL0_UCAST_PRFXLEN));
         _DST(v6merge(_GLOBAL9_UCAST_PRFX, _GLOBAL9_UCAST_PRFXLEN,
                        tnv6()));
	},
	{
	 payload=echo_data_b;
	}
)

//----------------------------------------------------------------------
Payload echo_data_b {
        data=repeat(0xcc, 0x10);
}

//----------------------------------------------------------------------
// Redirect
//      R1(link-local) ==> NUT(link-local)
//      icmp target=H1(global)
//      icmp destination=H1(global)
//      w/  TLL
//      w/o redirect header
//----------------------------------------------------------------------
FEM_icmp6_redirect(redirect_rone2nut_tll, hether_rone2nut,
        {
         _SRC(v6ether(A0N_MAC_ADDR));
         _DST(nutv6());
         HopLimit=255;
        },
        {
         TargetAddress=v6merge(_GLOBAL9_UCAST_PRFX,
                        _GLOBAL9_UCAST_PRFXLEN, tnv6());
         DestinationAddress=v6merge(_GLOBAL9_UCAST_PRFX,
                        _GLOBAL9_UCAST_PRFXLEN, tnv6());
	 option=tllopt_hone;
        }
)

//----------------------------------------------------------------------