addba-extension.h

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/*
 * Copyright (c) 2023 Universita' degli Studi di Napoli Federico II
 *
 * 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: Stefano Avallone <stavallo@unina.it>
 */
 
#ifndef ADDBA_EXTENSION_H
#define ADDBA_EXTENSION_H
 
#include "wifi-information-element.h"
 
namespace ns3
{
 
/**
 * \ingroup wifi
 *
 * The IEEE 802.11 ADDBA Extension Element (Sec. 9.4.2.139 of 802.11-2020)
 */
class AddbaExtension : public WifiInformationElement
{
  public:
    AddbaExtension() = default;
 
    /**
     * ADDBA Extended Parameter Set
     */
    struct ExtParamSet
    {
        uint8_t noFragment : 1;    //!< reserved when transmitted by HE STA to HE STA
        uint8_t heFragmentOp : 2;  //!< indicates level of HE dynamic fragmentation (unsupported)
        uint8_t : 2;               //!< reserved
        uint8_t extBufferSize : 3; //!< extended buffer size
    };
 
    // Implementations of pure virtual methods of WifiInformationElement
    WifiInformationElementId ElementId() const override;
    void Print(std::ostream& os) const override;
 
    ExtParamSet m_extParamSet{}; //!< ADDBA Extended Parameter Set field
 
  private:
    uint16_t GetInformationFieldSize() const override;
    void SerializeInformationField(Buffer::Iterator start) const override;
    uint16_t DeserializeInformationField(Buffer::Iterator start, uint16_t length) override;
};
 
} // namespace ns3
 
#endif /* ADDBA_EXTENSION_H */