/usr/include/ns3.17/ns3/ethernet-header.h is in libns3-dev 3.17+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2007 Emmanuelle Laprise
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
*/
#ifndef ETHERNET_HEADER_H
#define ETHERNET_HEADER_H
#include "ns3/header.h"
#include <string>
#include "ns3/mac48-address.h"
namespace ns3 {
/**
* Types of ethernet packets. Indicates the type of the current
* header.
*/
enum ethernet_header_t {
LENGTH, /**< Basic ethernet packet, no tags, type/length field
indicates packet length or IP/ARP packet */
VLAN, /**< Single tagged packet. Header includes VLAN tag */
QINQ /**< Double tagged packet. Header includes two VLAN tags */
};
/**
* \ingroup network
*
* \brief Packet header for Ethernet
*
* This class can be used to add a header to an ethernet packet that
* will specify the source and destination addresses and the length of
* the packet. Eventually the class will be improved to also support
* VLAN tags in packet headers.
*/
class EthernetHeader : public Header
{
public:
/**
* \brief Construct a null ethernet header
* \param hasPreamble if true, insert and remove an ethernet preamble from the
* packet, if false, does not insert and remove it.
*/
EthernetHeader (bool hasPreamble);
/**
* \brief Construct a null ethernet header
* By default, does not add or remove an ethernet preamble
*/
EthernetHeader ();
/**
* \param size The size of the payload in bytes
*/
void SetLengthType (uint16_t size);
/**
* \param source The source address of this packet
*/
void SetSource (Mac48Address source);
/**
* \param destination The destination address of this packet.
*/
void SetDestination (Mac48Address destination);
/**
* \param preambleSfd The value that the preambleSfd field should take
*/
void SetPreambleSfd (uint64_t preambleSfd);
/**
* \return The size of the payload in bytes
*/
uint16_t GetLengthType (void) const;
/**
* \return The type of packet (only basic Ethernet is currently supported)
*/
ethernet_header_t GetPacketType (void) const;
/**
* \return The source address of this packet
*/
Mac48Address GetSource (void) const;
/**
* \return The destination address of this packet
*/
Mac48Address GetDestination (void) const;
/**
* \return The value of the PreambleSfd field
*/
uint64_t GetPreambleSfd () const;
/**
* \return The size of the header
*/
uint32_t GetHeaderSize () const;
static TypeId GetTypeId (void);
virtual TypeId GetInstanceTypeId (void) const;
virtual void Print (std::ostream &os) const;
virtual uint32_t GetSerializedSize (void) const;
virtual void Serialize (Buffer::Iterator start) const;
virtual uint32_t Deserialize (Buffer::Iterator start);
private:
static const int PREAMBLE_SIZE = 8; /// size of the preamble_sfd header field
static const int LENGTH_SIZE = 2; /// size of the length_type header field
static const int MAC_ADDR_SIZE = 6; /// size of src/dest addr header fields
/**
* If false, the preamble/sfd are not serialised/deserialised.
*/
bool m_enPreambleSfd;
uint64_t m_preambleSfd; /// Value of the Preamble/SFD fields
uint16_t m_lengthType; /// Length or type of the packet
Mac48Address m_source; /// Source address
Mac48Address m_destination; /// Destination address
};
} // namespace ns3
#endif /* ETHERNET_HEADER_H */
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