llc-snap-header.h

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/*
 * Copyright (c) 2005 INRIA
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */
 
#ifndef LLC_SNAP_HEADER_H
#define LLC_SNAP_HEADER_H
 
#include "ns3/header.h"
 
#include <stdint.h>
#include <string>
 
namespace ns3
{
 
/**
 * The length in octets of the LLC/SNAP header
 */
static const uint16_t LLC_SNAP_HEADER_LENGTH = 8;
 
/**
 * \ingroup network
 *
 * \brief Header for the LLC/SNAP encapsulation
 *
 * For a list of EtherTypes, see
 * http://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml
 */
class LlcSnapHeader : public Header
{
  public:
    LlcSnapHeader();
 
    /**
     * \brief Set the Ethertype.
     * \param type the Ethertype
     */
    void SetType(uint16_t type);
    /**
     * \brief Return the Ethertype.
     * \return Ethertype
     */
    uint16_t GetType();
 
    /**
     * \brief Get the type ID.
     * \return the object TypeId
     */
    static TypeId GetTypeId();
    TypeId GetInstanceTypeId() const override;
    void Print(std::ostream& os) const override;
    uint32_t GetSerializedSize() const override;
    void Serialize(Buffer::Iterator start) const override;
    uint32_t Deserialize(Buffer::Iterator start) override;
 
  private:
    uint16_t m_etherType; //!< the Ethertype
};
 
} // namespace ns3
 
#endif /* LLC_SNAP_HEADER_H */