* it under the terms of the GNU General Public License version 2 as

#ifndef AP_WIFI_MAC_H

#define AP_WIFI_MAC_H

#include "regular-wifi-mac.h"

#include "amsdu-subframe-header.h"

/**

 * \brief Wi-Fi AP state machine

 *

 * Handle association, dis-association and authentication,

 * of STAs within an infrastructure BSS.

 */

class ApWifiMac : public RegularWifiMac

  ApWifiMac ();

  virtual ~ApWifiMac ();

  /**

   * \param stationManager the station manager attached to this MAC.

   */

  /**

   * \param linkUp the callback to invoke when the link becomes up.

   */

  virtual void SetLinkUpCallback (Callback<void> linkUp);

  /**

   * \param packet the packet to send.

   * \param to the address to which the packet should be sent.

   *

   * The packet should be enqueued in a tx queue, and should be

   * dequeued as soon as the channel access function determines that

   * access is granted to this MAC.

   */

  virtual void Enqueue (Ptr<const Packet> packet, Mac48Address to);

  /**

   * \param packet the packet to send.

   * \param to the address to which the packet should be sent.

   * \param from the address from which the packet should be sent.

   *

   * The packet should be enqueued in a tx queue, and should be

   * dequeued as soon as the channel access function determines that

   * access is granted to this MAC.  The extra parameter "from" allows

   * this device to operate in a bridged mode, forwarding received

   * frames without altering the source address.

   */

  /**

   * \param address the current address of this MAC layer.

   */

  /**

   * \param interval the interval between two beacon transmissions.

   */

  /**

   * \returns the interval between two beacon transmissions.

   */

  /**

   * Start beacon transmission immediately.

   */

  virtual void Receive (Ptr<Packet> packet, const WifiMacHeader *hdr);

  virtual void TxOk (const WifiMacHeader &hdr);

  virtual void TxFailed (const WifiMacHeader &hdr);

 /**

  * This method is called to de-aggregate an A-MSDU and forward the

  * constituent packets up the stack. We override the WifiMac version

  * here because, as an AP, we also need to think about redistributing

  * to other associated STAs.

  *

  * \param aggregatedPacket the Packet containing the A-MSDU.

  * \param hdr a pointer to the MAC header for \c aggregatedPacket.

  */

  virtual void DeaggregateAmsduAndForward (Ptr<Packet> aggregatedPacket,

                                           const WifiMacHeader *hdr);

  void ForwardDown (Ptr<const Packet> packet, Mac48Address from, Mac48Address to, uint8_t tid);

  virtual void DoDispose (void);

  virtual void DoStart (void);

  EventId m_beaconEvent;

} // namespace ns3

#endif /* AP_WIFI_MAC_H */