ht-capabilities.h

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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013
 *
 * 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
 *
 * Authors: Ghada Badawy <gbadawy@gmail.com>
 *          Sébastien Deronne <sebastien.deronne@gmail.com>
 */

#ifndef HT_CAPABILITIES_H
#define HT_CAPABILITIES_H

#include "wifi-information-element.h"

#define MAX_SUPPORTED_MCS  (77)

namespace ns3 {

class HtCapabilities : public WifiInformationElement
{
public:
  HtCapabilities ();
  void SetHtSupported (uint8_t htsupported);

  void SetHtCapabilitiesInfo (uint16_t ctrl);
  void SetAmpduParameters (uint8_t ctrl);
  void SetSupportedMcsSet (uint64_t ctrl1, uint64_t ctrl2);
  void SetExtendedHtCapabilities (uint16_t ctrl);
  void SetTxBfCapabilities (uint32_t ctrl);
  void SetAntennaSelectionCapabilities (uint8_t ctrl);

  void SetLdpc (uint8_t ldpc);
  void SetSupportedChannelWidth (uint8_t supportedchannelwidth);
  void SetGreenfield (uint8_t greenfield);
  void SetShortGuardInterval20 (uint8_t shortguardinterval);
  void SetShortGuardInterval40 (uint8_t shortguardinterval);
  void SetMaxAmsduLength (uint8_t maxamsdulength);
  void SetLSigProtectionSupport (uint8_t lsigprotection);

  void SetMaxAmpduLength (uint8_t maxampdulength);

  void SetRxMcsBitmask (uint8_t index);
  void SetRxHighestSupportedDataRate (uint16_t maxsupportedrate);
  void SetTxMcsSetDefined (uint8_t txmcssetdefined);
  void SetTxRxMcsSetUnequal (uint8_t txrxmcssetunequal);
  void SetTxMaxNSpatialStreams (uint8_t maxtxspatialstreams);
  void SetTxUnequalModulation (uint8_t txunequalmodulation);

  uint16_t GetHtCapabilitiesInfo (void) const;
  uint8_t GetAmpduParameters (void) const;
  uint64_t GetSupportedMcsSet1 (void) const;
  uint64_t GetSupportedMcsSet2 (void) const;
  uint16_t GetExtendedHtCapabilities (void) const;
  uint32_t GetTxBfCapabilities (void) const;
  uint8_t GetAntennaSelectionCapabilities (void) const;

  uint8_t GetLdpc (void) const;
  uint8_t GetSupportedChannelWidth (void) const;
  uint8_t GetGreenfield (void) const;
  uint8_t GetShortGuardInterval20 (void) const;
  uint8_t GetShortGuardInterval40 (void) const;
  uint8_t GetMaxAmsduLength (void) const;
  uint8_t GetLSigProtectionSupport (void) const;

  uint8_t GetMaxAmpduLength (void) const;
  uint8_t GetMinMpduStartSpace (void) const;

  uint8_t* GetRxMcsBitmask ();
  bool IsSupportedMcs (uint8_t mcs) const;
  uint8_t GetRxHighestSupportedAntennas (void) const;
  uint16_t GetRxHighestSupportedDataRate (void) const;
  uint8_t GetTxMcsSetDefined (void) const;
  uint8_t GetTxRxMcsSetUnequal (void) const;
  uint8_t GetTxMaxNSpatialStreams (void) const;
  uint8_t GetTxUnequalModulation (void) const;

  WifiInformationElementId ElementId () const;
  uint8_t GetInformationFieldSize () const;
  void SerializeInformationField (Buffer::Iterator start) const;
  uint8_t DeserializeInformationField (Buffer::Iterator start,
                                       uint8_t length);
  Buffer::Iterator Serialize (Buffer::Iterator start) const;
  uint16_t GetSerializedSize () const;


private:
  //HT Capabilties Info field
  uint8_t m_ldpc; 
  uint8_t m_supportedChannelWidth; 
  uint8_t m_smPowerSave; 
  uint8_t m_greenField; 
  uint8_t m_shortGuardInterval20; 
  uint8_t m_shortGuardInterval40; 
  uint8_t m_txStbc; 
  uint8_t m_rxStbc; 
  uint8_t m_htDelayedBlockAck; 
  uint8_t m_maxAmsduLength; 
  uint8_t m_dssMode40; 
  uint8_t m_psmpSupport; 
  uint8_t m_fortyMhzIntolerant; 
  uint8_t m_lsigProtectionSupport; 

  //A-MPDU Parameters field
  uint8_t m_maxAmpduLength; 
  uint8_t m_minMpduStartSpace; 
  uint8_t m_ampduReserved; 

  //Supported MCS Set field
  uint8_t m_reservedMcsSet1; 
  uint16_t m_rxHighestSupportedDataRate; 
  uint8_t m_reservedMcsSet2; 
  uint8_t m_txMcsSetDefined; 
  uint8_t m_txRxMcsSetUnequal; 
  uint8_t m_txMaxNSpatialStreams; 
  uint8_t m_txUnequalModulation; 
  uint32_t m_reservedMcsSet3; 
  uint8_t m_rxMcsBitmask[MAX_SUPPORTED_MCS]; 

  //HT Extended Capabilties field
  uint8_t m_pco; 
  uint8_t m_pcoTransitionTime; 
  uint8_t m_reservedExtendedCapabilities; 
  uint8_t m_mcsFeedback; 
  uint8_t m_htcSupport; 
  uint8_t m_reverzeDirectionResponder; 
  uint8_t m_reservedExtendedCapabilities2; 

  //Transmit Beamforming Capabilities field
  uint8_t m_implicitRxBfCapable; 
  uint8_t m_rxStaggeredSoundingCapable; 
  uint8_t m_txStaggeredSoundingCapable; 
  uint8_t m_rxNdpCapable; 
  uint8_t m_txNdpCapable; 
  uint8_t m_implicitTxBfCapable; 
  uint8_t m_calibration; 
  uint8_t m_explicitCsiTxBfCapable; 
  uint8_t m_explicitNoncompressedSteeringCapable; 
  uint8_t m_explicitCompressedSteeringCapable; 
  uint8_t m_explicitTxBfCsiFeedback; 
  uint8_t m_explicitNoncompressedBfFeedbackCapable; 
  uint8_t m_explicitCompressedBfFeedbackCapable; 
  uint8_t m_minimalGrouping; 
  uint8_t m_csiNBfAntennasSupported; 
  uint8_t m_noncompressedSteeringNBfAntennasSupported; 
  uint8_t m_compressedSteeringNBfAntennasSupported; 
  uint8_t m_csiMaxNRowsBfSupported; 
  uint8_t m_channelEstimationCapability; 
  uint8_t m_reservedTxBf; 

  //ASEL Capabilities field
  uint8_t m_antennaSelectionCapability; 
  uint8_t m_explicitCsiFeedbackBasedTxASelCapable; 
  uint8_t m_antennaIndicesFeedbackBasedTxASelCapable; 
  uint8_t m_explicitCsiFeedbackCapable; 
  uint8_t m_antennaIndicesFeedbackCapable; 
  uint8_t m_rxASelCapable; 
  uint8_t m_txSoundingPpdusCapable; 
  uint8_t m_reservedASel; 

  uint8_t m_htSupported;
};

std::ostream &operator << (std::ostream &os, const HtCapabilities &htcapabilities);
std::istream &operator >> (std::istream &is, HtCapabilities &htcapabilities);

ATTRIBUTE_HELPER_HEADER (HtCapabilities);

} //namespace ns3

#endif /* HT_CAPABILITY_H */