#!/usr/bin/perl
#
# $Copyright$
#
# $Id: DH_Type10.seq,v 1.1.1.1 2000/10/31 22:39:20 sekiya Exp $
#
######################################################################
BEGIN {
	$V6evalTool::TestVersion = '$Name:  $';
}

use V6evalTool;

%pktdesc = (
	echo_request_ex	=> 'Send Echo Request (Unrecognized Option:Type 10)',
	icmperr		=> 'Recv ICMP Error (Parameter Problem, unrecognized IPv6 option encounted)',
	ns		=> 'Recv Neighbor Solicitation',
	na		=> 'Send Neighbor Advertisement',
);

$IF = Link0;

vCapture($IF);

vSend($IF, echo_request_ex);

%ret = vRecv($IF, 5, 0, 0, ns, icmperr);
if ($ret{status} != 0) {
	vLogHTML('<FONT COLOR="#FF0000">NG</FONT>');
	exit $V6evalTool::exitFail;
}
if ($ret{recvFrame} eq 'ns') {
	vSend($IF, na);

	%ret = vRecv($IF, 5, 0, 0, icmperr);
	if ($ret{status} != 0) {
		vLogHTML('<FONT COLOR="#FF0000">NG</FONT>');
		exit $V6evalTool::exitFail;
	}
}
if ($ret{recvFrame} ne 'icmperr') {
	vLogHTML('<FONT COLOR="#FF0000">NG</FONT>');
	exit $V6evalTool::exitFail;
}

vLogHTML('OK');
exit $V6evalTool::exitPass;

######################################################################
__END__

=head1 NAME

  DH_Type10 - check Destination Options Header (Type 10)

=head1 TARGET

  Host and Router

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./DH_Type10.seq">DH_Type10.seq</A> [-tooloption ...] -pkt <A HREF="./DH_Type10.def">DH_Type10.def</A>
    -tooloption : v6eval tool option
  See also <A HREF="./DH.def">DH.def</A>
</PRE>

=end html

=head1 INITIALIZATION

  None

=head1 TEST PROCEDURE

  Tester                      Target
    |                           |
    |-------------------------->|
    |   Echo Request            |
    |                           |
    |                           |
    |<--------------------------|
    |   Neighbor Solicitation   |
    |                           |
    |                           |
    |-------------------------->|
    |   Neighbor Advertisement  |
    |                           |
    |                           | 
    |<--------------------------|
    |   ICMP Error              |
    |                           |
    |                           |
    v                           v


  1. Send Echo Request
  2. Wait ICMP Error or NS
  3. If NS received then send NA, and wait ICMP Error again
  4. Receive ICMP Error

  Echo Request Data is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 16
            NextHeader         = 60 (Destination Options Header)
            HopLimit           = 64
            SourceAddress      = Tester Link Local Address
            DestinationAddress = Target Link Local Address

        Destination Options Header
            NextHeader         = 58 (ICMP)
            HeaderExtLength    = 0
            OptionType         = 0x82 (Unrecognized Option, Type 10)
            OptDataLength      = 4 (for 8 octets alignment)
            data               = {0,0,0,0}

        ICMP Echo Request
            Type           = 128 (Echo Request)
            Code           = 0
            Checksum       = (auto)
            Identifier     = 0xffff
            SequenceNumber = 1
            PayloadData    = {1,2,3,4,5,6,7,8}


=head1 JUDGEMENT

  PASS: ICMP Error Received

        IPv6 Header
            Version             = 6
            Traffic Class       = 0
            FlowLabel           = 0
            PayloadLength       = 16
            NextHeader          = 58 (ICMP)
            HopLimit            = 64
            SourceAddress       = Target Link Local Address
            Destination Address = Tester Link Local Address

        ICMP Error
            Type           = 4 (Parameter Problem)
            Code           = 2 (unrecognized IPv6 option encounted)
            Checksum       = (auto)
            Pointer        = 42 (Offset to unrecognized option)
            PayloadData    = (Echo Request)

=head1 SEE ALSO

  perldoc V6evalTool

=cut