43 lines
1.7 KiB
C#
43 lines
1.7 KiB
C#
|
/*
|
||
|
|
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 2013 Chris Morgan <chmorgan@gmail.com>
|
||
|
|
*/
|
||
|
|
namespace PacketDotNet
|
||
|
|
{
|
||
|
|
/// <summary> 802.1Q fields </summary>
|
||
|
|
public class Ieee8021QFields
|
||
|
|
{
|
||
|
|
/// <summary> Length of the ethertype value in bytes.</summary>
|
||
|
|
public readonly static int TypeLength = 2;
|
||
|
|
/// <summary> Length of the tag control information in bytes. </summary>
|
||
|
|
public readonly static int TagControlInformationLength = 2;
|
||
|
|
/// <summary> Position of the tag control information </summary>
|
||
|
|
public readonly static int TagControlInformationPosition = 0;
|
||
|
|
/// <summary> Position of the type field </summary>
|
||
|
|
public readonly static int TypePosition;
|
||
|
|
/// <summary> Length in bytes of a Ieee8021Q header.</summary>
|
||
|
|
public readonly static int HeaderLength; // 4
|
||
|
|
|
||
|
|
static Ieee8021QFields()
|
||
|
|
{
|
||
|
|
TypePosition = TagControlInformationPosition + TagControlInformationLength;
|
||
|
|
HeaderLength = TypePosition + TypeLength;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|