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ICMPv6Fields.cs
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ICMPv6Fields.cs
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/*
This file is part of PacketDotNet
PacketDotNet is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PacketDotNet is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PacketDotNet. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Copyright 2009 Chris Morgan <chmorgan@gmail.com>
*/
namespace PacketDotNet
{
/// <summary>
/// ICMP protocol field encoding information.
/// See http://en.wikipedia.org/wiki/ICMPv6
/// </summary>
public class ICMPv6Fields
{
/// <summary> Length of the ICMP message type code in bytes.</summary>
public readonly static int TypeLength = 1;
/// <summary> Length of the ICMP subcode in bytes.</summary>
public readonly static int CodeLength = 1;
/// <summary> Length of the ICMP header checksum in bytes.</summary>
public readonly static int ChecksumLength = 2;
/// <summary> Position of the ICMP message type.</summary>
public readonly static int TypePosition = 0;
/// <summary> Position of the ICMP message subcode.</summary>
public readonly static int CodePosition;
/// <summary> Position of the ICMP header checksum.</summary>
public readonly static int ChecksumPosition;
/// <summary> Length in bytes of an ICMP header.</summary>
public readonly static int HeaderLength; // == 4
static ICMPv6Fields()
{
CodePosition = TypePosition + TypeLength;
ChecksumPosition = CodePosition + CodeLength;
HeaderLength = ChecksumPosition + ChecksumLength;
}
}
}