#!/usr/bin/perl
#
# $Name: V6LC_4_0_1 $
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
# 	Yokogawa Electric Corporation.
# 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.
# 
# 5. The copyrighters, the project and the contributors may prohibit
#    the use of this software at any time.
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# 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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# POSSIBILITY OF SUCH DAMAGE.
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# $Id: IP_PL_Even.seq,v 1.4 2005/04/11 08:27:21 akisada Exp $
#
######################################################################
BEGIN {
	$V6evalTool::TestVersion = '$Name: V6LC_4_0_1 $';
}

use V6evalTool;
use CommonSPEC;

$pktdesc{'echo_request_even'}	= 'Send Echo Request (Payload Length Even)';
$pktdesc{'echo_reply_even'}	= 'Recv Echo Reply';

$endStatus = $V6evalTool::exitPass;
$IF = 'Link0';

vCapture($IF);

#----- test
vSend($IF, 'echo_request_even');
%ret = nd_vRecv_EN($IF, $CommonSPEC::wait_reply, 0, 0, 'echo_reply_even');

if ($ret{'status'} == 0) {
	vLogHTML('OK<BR>');
} else {
	vLogHTML('Cannot receive Echo Reply<BR>');
	vLogHTML('<FONT COLOR="#FF0000">NG</FONT><BR>');
	$endStatus = $V6evalTool::exitFail;
}
#----- end test

$ret = cleanup($IF);
vStop($IF);
if ($ret == $CommonSPEC::Success) {
	exit($endStatus);
} else {
	exit($V6evalTool::exitFatal);
}


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

=head1 NAME

  IP_PL_Even - Payload Length (Payload Length Even)

=head1 TARGET

  Host and Router

=head1 SYNOPSIS

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

=end html

=head1 INITIALIZATION

  None

=head1 TEST PROCEDURE

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


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

  Echo Request Data is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 0x32
            NextHeader         = 58 (ICMPv6)
            SourceAddress      = Tester Link Local Address
            DestinationAddress = Target Link Local Address

        ICMP Echo Request
            Type           = 128 (Echo Request)
            Code           = 0
            Checksum       = (auto)
            Identifier     = 0xffff
            SequenceNumber = 1
            PayloadData    = {0x01, ... , 0x2a}


=head1 JUDGEMENT

  PASS: Echo Reply Received

        IPv6 Header
            Version             = 6
            Traffic Class       = 0
            FlowLabel           = 0
            PayloadLength       = 0x32
            NextHeader          = 58 (ICMPv6)
            SourceAddress       = Target Link Local Address
            Destination Address = Tester Link Local Address

        ICMP Echo Reply
            Type           = 129 (Echo Reply)
            Code           = 0
            Checksum       = (auto)
            Identifier     = 0xffff (same as Echo Request)
            SequenceNumber = 1 (same as Echo Request)
            PayloadData    = {0x01, ... , 0x2a} (same as Echo Request)

=cut

# =head1 REFERENCE
# 
# RFC2460
# 
# 3.  IPv6 Header Format
# 
#    Payload Length       16-bit unsigned integer.  Length of the IPv6
#                         payload, i.e., the rest of the packet following
#                         this IPv6 header, in octets.  (Note that any
#                         extension headers [section 4] present are
#                         considered part of the payload, i.e., included
#                         in the length count.)
# 

=pod

=head1 REFERENCE

=begin html
<BLOCKQUOTE>
<PRE>
RFC 2460 - IPv6 Specification
</PRE>
</BLOCKQUOTE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut