A Discrete-Event Network Simulator
API
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ethernet-header.h
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1/*
2 * Copyright (c) 2007 Emmanuelle Laprise
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Author: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
18 */
19
20#ifndef ETHERNET_HEADER_H
21#define ETHERNET_HEADER_H
22
23#include "ns3/header.h"
24#include "ns3/mac48-address.h"
25
26#include <string>
27
28namespace ns3
29{
30
38{
39 LENGTH,
42 QINQ
43};
44
55class EthernetHeader : public Header
56{
57 public:
63 EthernetHeader(bool hasPreamble);
72 void SetLengthType(uint16_t size);
76 void SetSource(Mac48Address source);
80 void SetDestination(Mac48Address destination);
84 void SetPreambleSfd(uint64_t preambleSfd);
88 uint16_t GetLengthType() const;
96 Mac48Address GetSource() const;
104 uint64_t GetPreambleSfd() const;
108 uint32_t GetHeaderSize() const;
109
114 static TypeId GetTypeId();
115 TypeId GetInstanceTypeId() const override;
116 void Print(std::ostream& os) const override;
117 uint32_t GetSerializedSize() const override;
118 void Serialize(Buffer::Iterator start) const override;
119 uint32_t Deserialize(Buffer::Iterator start) override;
120
121 private:
122 static const int PREAMBLE_SIZE = 8;
123 static const int LENGTH_SIZE = 2;
124 static const int MAC_ADDR_SIZE = 6;
125
130 uint64_t m_preambleSfd;
131 uint16_t m_lengthType;
134};
135
136} // namespace ns3
137
138#endif /* ETHERNET_HEADER_H */
iterator in a Buffer instance
Definition: buffer.h:100
Packet header for Ethernet.
uint16_t GetLengthType() const
uint16_t m_lengthType
Length or type of the packet.
uint32_t GetHeaderSize() const
bool m_enPreambleSfd
If false, the preamble/sfd are not serialised/deserialised.
uint32_t GetSerializedSize() const override
Mac48Address m_destination
Destination address.
static TypeId GetTypeId()
Get the type ID.
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
void SetDestination(Mac48Address destination)
static const int PREAMBLE_SIZE
size of the preamble_sfd header field
static const int MAC_ADDR_SIZE
size of src/dest addr header fields
Mac48Address m_source
Source address.
Mac48Address GetDestination() const
void Serialize(Buffer::Iterator start) const override
void SetLengthType(uint16_t size)
void SetSource(Mac48Address source)
EthernetHeader()
Construct a null ethernet header By default, does not add or remove an ethernet preamble.
ethernet_header_t GetPacketType() const
void Print(std::ostream &os) const override
uint32_t Deserialize(Buffer::Iterator start) override
uint64_t m_preambleSfd
Value of the Preamble/SFD fields.
void SetPreambleSfd(uint64_t preambleSfd)
Mac48Address GetSource() const
static const int LENGTH_SIZE
size of the length_type header field
uint64_t GetPreambleSfd() const
Protocol header serialization and deserialization.
Definition: header.h:44
an EUI-48 address
Definition: mac48-address.h:46
a unique identifier for an interface.
Definition: type-id.h:59
ethernet_header_t
Types of ethernet packets.
@ LENGTH
Basic ethernet packet, no tags, type/length field indicates packet length or IP/ARP packet.
@ VLAN
Single tagged packet.
@ QINQ
Double tagged packet.
Every class exported by the ns3 library is enclosed in the ns3 namespace.