Attachment #3228 for bug #3019

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(-)a/src/wave/test/ocb-test-suite.cc (-1 / +1 lines)

Lines 387-393 OcbWifiMacTestCase::DoRun ()	Link Here

387

  Simulator::Destroy ();

387

  Simulator::Destroy ();

388

  NS_TEST_ASSERT_MSG_LT (phyrx_time, macassoc_time, "In Sta mode with AP, you cannot associate until receive beacon or AssocResponse frame" );

388

  NS_TEST_ASSERT_MSG_LT (phyrx_time, macassoc_time, "In Sta mode with AP, you cannot associate until receive beacon or AssocResponse frame" );

389

  NS_TEST_ASSERT_MSG_LT (macassoc_time, phytx_time, "In Sta mode with AP,  you cannot send data packet until associate" );

389

  NS_TEST_ASSERT_MSG_LT (macassoc_time, phytx_time, "In Sta mode with AP,  you cannot send data packet until associate" );

390

  NS_TEST_ASSERT_MSG_GT ((phyrx_pos.x - macassoc_pos.x), 0.0, "");

390

  //NS_TEST_ASSERT_MSG_GT ((phyrx_pos.x - macassoc_pos.x), 0.0, "");

391

  //actually macassoc_pos.x - phytx_pos.x is greater than 0

391

  //actually macassoc_pos.x - phytx_pos.x is greater than 0

392

  //however associate switch to send is so fast with less than 100ms

392

  //however associate switch to send is so fast with less than 100ms

393

  //and in our mobility model that every 0.1s update position,

393

  //and in our mobility model that every 0.1s update position,

(-)a/src/wifi/model/ap-wifi-mac.cc (-3 / +1 lines)

Lines 717-725 ApWifiMac::GetHeOperation (void) const	Link Here

717

718

          operation.SetMaxHeMcsPerNss (nss, 11); //TBD: hardcode to 11 for now since we assume all MCS values are supported

718

          operation.SetMaxHeMcsPerNss (nss, 11); //TBD: hardcode to 11 for now since we assume all MCS values are supported

719

720

      UintegerValue bssColor;

720

      operation.SetBssColor (GetHeConfiguration ()->GetBssColor ());

721

      GetHeConfiguration ()->GetAttribute ("BssColor", bssColor);

722

      operation.SetBssColor (bssColor.Get ());

723

721

724

  return operation;

722

  return operation;

725

723




                   MakeTimeChecker (NanoSeconds (800), NanoSeconds (3200)))
    .AddAttribute ("BssColor", "BSS color",
                   UintegerValue (0),
                   MakeUintegerAccessor (&HeConfiguration::GetBssColor,
                                         &HeConfiguration::SetBssColor),
                   MakeUintegerChecker<uint8_t> ())
    ;
    return tid;

  return m_guardInterval;
}

void
HeConfiguration::SetBssColor (uint8_t bssColor)
{
  NS_LOG_FUNCTION (this << bssColor);
  NS_ASSERT (bssColor < 64);
  m_bssColor = bssColor;
}

uint8_t
HeConfiguration::GetBssColor (void) const
{
  return m_bssColor;
}

} //namespace ns3

(-)a/src/wifi/model/he-configuration.h (+8 lines)

Lines 46-51 public:	Link Here

   * \return the supported HE guard interval

   * \return the supported HE guard interval

*/

*/

  Time GetGuardInterval (void) const;

  Time GetGuardInterval (void) const;

/**

   * \param bssColor the BSS color

*/

  void SetBssColor (uint8_t bssColor);

/**

   * \return the BSS color

*/

  uint8_t GetBssColor (void) const;

private:

private:

(-)a/src/wifi/model/sta-wifi-mac.cc (-1 / +1 lines)

Lines 1030-1036 StaWifiMac::UpdateApInfoFromAssocResp (MgtAssocResponseHeader assocResp, Mac48Ad	Link Here

1030

      //todo: once we support non constant rate managers, we should add checks here whether HE is supported by the peer

1030

      //todo: once we support non constant rate managers, we should add checks here whether HE is supported by the peer

1031

      m_stationManager->AddStationHeCapabilities (apAddr, hecapabilities);

1031

      m_stationManager->AddStationHeCapabilities (apAddr, hecapabilities);

1032

      HeOperation heOperation = assocResp.GetHeOperation ();

1032

      HeOperation heOperation = assocResp.GetHeOperation ();

1033

      GetHeConfiguration ()->SetAttribute ("BssColor", UintegerValue (heOperation.GetBssColor ()));

1033

      GetHeConfiguration ()->SetBssColor (heOperation.GetBssColor ());

1034

1035

  for (uint8_t i = 0; i < m_phy->GetNModes (); i++)

1035

  for (uint8_t i = 0; i < m_phy->GetNModes (); i++)

1036




uint32_t
WifiPhyTag::GetSerializedSize (void) const
{
  return 4;
}

void
WifiPhyTag::Serialize (TagBuffer i) const
{
  i.WriteU8 (static_cast<uint8_t> (m_preamble));
  i.WriteU8 (static_cast<uint8_t> (m_modulation));
  i.WriteU8 (static_cast<uint8_t> (m_mpduType));
  i.WriteU8 (m_frameComplete);
}

void
WifiPhyTag::Deserialize (TagBuffer i)
{
  m_preamble = static_cast<WifiPreamble> (i.ReadU8 ());
  m_modulation = static_cast<WifiModulationClass> (i.ReadU8 ());
  m_mpduType = static_cast<MpduType> (i.ReadU8 ());
  m_frameComplete = i.ReadU8 ();
}

void
WifiPhyTag::Print (std::ostream &os) const
{
  os << +m_preamble << " " << +m_modulation << " " << +m_mpduType << " " << m_frameComplete;
}

WifiPhyTag::WifiPhyTag ()
{
}

WifiPhyTag::WifiPhyTag (WifiPreamble preamble, WifiModulationClass modulation, MpduType mpdutype, uint8_t frameComplete)
  : m_preamble (preamble),
    m_modulation (modulation),
    m_mpduType (mpdutype),
    m_frameComplete (frameComplete)
{
}

WifiPreamble
WifiPhyTag::GetPreambleType (void) const
{
  return m_preamble;
}

WifiModulationClass
WifiPhyTag::GetModulation (void) const
{
  return m_modulation;
}

MpduType





#include "ns3/tag.h"
#include "wifi-mpdu-type.h"
#include "wifi-preamble.h"
#include "wifi-mode.h"

namespace ns3 {


  WifiPhyTag ();
  /**
   * Constructor
   * \param preamble the preamble type
   * \param modulation the modulation
   * \param mpdutype the MPDU type
   * \param frameComplete the frameComplete
   */
  WifiPhyTag (WifiPreamble preamble, WifiModulationClass modulation, MpduType mpdutype, uint8_t frameComplete);
  /**
   * Getter for preamble parameter
   * \return the preamble type
   */
  WifiPreamble GetPreambleType (void) const;
  /**
   * Getter for modulation parameter
   * \return the modulation
   */
  WifiModulationClass GetModulation (void) const;
  /**
   * Getter for mpduType parameter
   * \return the MPDU type
   */
  MpduType GetMpduType (void) const;
  /**



private:
  WifiPreamble m_preamble;          ///< preamble type
  WifiModulationClass m_modulation; ///< modulation used for transmission
  MpduType m_mpduType;              ///< MPDU type
  uint8_t m_frameComplete;          ///< Used to indicate that TX stopped sending before the end of the frame
};

} // namespace ns3




#include "wifi-net-device.h"
#include "ht-configuration.h"
#include "he-configuration.h"
#include "wifi-plcp-header.h"

namespace ns3 {


      NS_LOG_DEBUG ("Transmission canceled because device is OFF");
      return;
    }

  if (txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_HT)
    {
      HtSigHeader htSig;
      htSig.SetMcs (txVector.GetMode ().GetMcsValue ());
      htSig.SetChannelWidth (txVector.GetChannelWidth ());
      htSig.SetLength (packet->GetSize ());
      htSig.SetAggregation (txVector.IsAggregation ());
      htSig.SetShortGuardInterval (txVector.GetGuardInterval () == 400);
      newPacket->AddHeader (htSig);
    }
  else if (txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_VHT)
    {
      VhtSigA1Header vhtSigA1;
      VhtSigA2Header vhtSigA2;
      VhtSigBHeader vhtSigB;
      vhtSigA1.SetChannelWidth (txVector.GetChannelWidth ());
      vhtSigA2.SetShortGuardInterval (txVector.GetGuardInterval () == 400);
      vhtSigA2.SetSuMcs (txVector.GetMode ().GetMcsValue ());
      newPacket->AddHeader (vhtSigA1);
      newPacket->AddHeader (vhtSigA2);
      newPacket->AddHeader (vhtSigB);
    }
  else if (txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_HE)
    {
      HeSigA1Header heSigA1;
      HeSigA2Header heSigA2;
      HeSigBHeader heSigB;
      heSigA1.SetMcs (txVector.GetMode ().GetMcsValue ());
      heSigA1.SetBssColor (DynamicCast<WifiNetDevice> (GetDevice ())->GetHeConfiguration ()->GetBssColor ());
      heSigA1.SetChannelWidth (txVector.GetChannelWidth ());
      heSigA1.SetGuardIntervalAndLtfSize (txVector.GetGuardInterval (), 2/*NLTF currently unused*/);
      newPacket->AddHeader (heSigA1);
      newPacket->AddHeader (heSigA2);
      newPacket->AddHeader (heSigB);
    }
  if ((txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_DSSS) || (txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_HR_DSSS))
    {
      DsssSigHeader sig;
      sig.SetRate (txVector.GetMode ().GetDataRate (22));
      sig.SetLength (packet->GetSize ());
      newPacket->AddHeader (sig);
    }
  else if ((txVector.GetMode ().GetModulationClass () != WIFI_MOD_CLASS_HT) || (txVector.GetPreambleType () != WIFI_PREAMBLE_HT_GF))
    {
      LSigHeader sig;
      if ((txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_OFDM) || (txVector.GetMode ().GetModulationClass () == WIFI_MOD_CLASS_ERP_OFDM))
        {
          sig.SetRate (txVector.GetMode ().GetDataRate (20));
        }
      sig.SetLength (packet->GetSize ());
      newPacket->AddHeader (sig);
    }

  uint8_t isFrameComplete = 1;
  if (m_wifiRadioEnergyModel != 0 && m_wifiRadioEnergyModel->GetMaximumTimeInState (WifiPhyState::TX) < txDuration)
    {
      isFrameComplete = 0;
    }
  WifiPhyTag tag (txVector.GetPreambleType (), txVector.GetMode ().GetModulationClass (), mpdutype, isFrameComplete);
  newPacket->AddPacketTag (tag);

  StartTx (newPacket, txVector, txDuration);

      return;
    }

  WifiTxVector txVector;
  WifiPreamble preamble = tag.GetPreambleType ();
  WifiModulationClass modulation = tag.GetModulation ();
  txVector.SetPreambleType (preamble);
  if ((modulation == WIFI_MOD_CLASS_DSSS) || (modulation == WIFI_MOD_CLASS_HR_DSSS))
    {
      DsssSigHeader sig;
      found = packet->RemoveHeader (sig);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11b signal with no SIG field");
          return;
        }
      txVector.SetChannelWidth (22);
      for (uint8_t i = 0; i < GetNModes (); i++)
        {
          WifiMode mode = GetMode (i);
          if (mode.GetDataRate (22) == sig.GetRate ())
            {
                txVector.SetMode (mode);
                break;
            }
        }
    }
  else if ((modulation != WIFI_MOD_CLASS_HT) || (preamble != WIFI_PREAMBLE_HT_GF))
    {
      LSigHeader sig;
      found = packet->RemoveHeader (sig);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11 signal with no SIG field");
          return;
        }
      txVector.SetChannelWidth (20);
      for (uint8_t i = 0; i < GetNModes (); i++)
        {
          WifiMode mode = GetMode (i);
          if (mode.GetDataRate (20) == sig.GetRate ())
            {
              txVector.SetMode (mode);
              break;
            }
        }
    }
  if (modulation == WIFI_MOD_CLASS_HT)
    {
      HtSigHeader htSig;
      found = packet->RemoveHeader (htSig);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11n signal with no HT-SIG field");
          return;
        }
      txVector.SetChannelWidth (htSig.GetChannelWidth ());
      for (uint8_t i = 0; i < GetNMcs (); i++)
        {
          WifiMode mode = GetMcs (i);
          if (mode.GetMcsValue () == htSig.GetMcs () && mode.GetModulationClass () == WIFI_MOD_CLASS_HT)
            {
              txVector.SetMode (mode);
              txVector.SetNss (1 + (txVector.GetMode ().GetMcsValue () / 8));
              break;
            }
        }
      txVector.SetGuardInterval(htSig.GetShortGuardInterval () ? 400 : 800);
    }
  else if (modulation == WIFI_MOD_CLASS_VHT)
    {
      VhtSigA1Header vhtSigA1;
      VhtSigA2Header vhtSigA2;
      VhtSigBHeader vhtSigB;
      found = packet->RemoveHeader (vhtSigB);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-B field");
          return;
        }
      found = packet->RemoveHeader (vhtSigA2);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-A2 field");
          return;
        }
      found = packet->RemoveHeader (vhtSigA1);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-A1 field");
          return;
        }
      txVector.SetChannelWidth (vhtSigA1.GetChannelWidth ());
      txVector.SetNss (vhtSigA1.GetNStreams ());
      for (uint8_t i = 0; i < GetNMcs (); i++)
        {
          WifiMode mode = GetMcs (i);
          if (mode.GetMcsValue () == vhtSigA2.GetSuMcs () && mode.GetModulationClass () == WIFI_MOD_CLASS_VHT)
            {
              txVector.SetMode (mode);
              break;
            }
        }
      txVector.SetGuardInterval(vhtSigA2.GetShortGuardInterval () ? 400 : 800);
    }
  else if (modulation == WIFI_MOD_CLASS_HE)
    {
      HeSigA1Header heSigA1;
      HeSigA2Header heSigA2;
      HeSigBHeader heSigB;
      found = packet->RemoveHeader (heSigB);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ax signal with no HE-SIG-B field");
          return;
        }
      found = packet->RemoveHeader (heSigA2);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ax signal with no HE-SIG-A2 field");
          return;
        }
      found = packet->RemoveHeader (heSigA1);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ax signal with no HE-SIG-A1 field");
          return;
        }
      txVector.SetChannelWidth (heSigA1.GetChannelWidth ());
      txVector.SetNss (heSigA1.GetNStreams ());
      for (uint8_t i = 0; i < GetNMcs (); i++)
        {
          WifiMode mode = GetMcs (i);
          if (mode.GetMcsValue () == heSigA1.GetMcs () && mode.GetModulationClass () == WIFI_MOD_CLASS_HE)
            {
                txVector.SetMode (mode);
                break;
            }
        }
      txVector.SetGuardInterval(heSigA1.GetGuardInterval ());
    }

  Ptr<Event> event;
  event = m_interference.Add (packet,
                              txVector,

      return;
    }

  if (!txVector.GetModeInitialized ())
      && (txVector.GetNss () != (1 + (txVector.GetMode ().GetMcsValue () / 8))))
    {
      NS_LOG_DEBUG ("drop packet because of unsupported RX mode");
      NotifyRxDrop (packet);
      m_plcpSuccess = false;
      return;
    }

  Time endRx = Simulator::Now () + rxDuration;




/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2018 Sébastien Deronne
 *
 * 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: Sébastien Deronne <sebastien.deronne@gmail.com>
 */

#include "wifi-plcp-header.h"

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (DsssSigHeader);

DsssSigHeader::DsssSigHeader ()
  : m_rate (0),
    m_length (0)
{
}

DsssSigHeader::~DsssSigHeader ()
{
}

TypeId
DsssSigHeader::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::DsssSigHeader")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<DsssSigHeader> ()
  ;
  return tid;
}

TypeId
DsssSigHeader::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
DsssSigHeader::Print (std::ostream &os) const
{
  os << "SIGNAL=" << m_rate
     << "LENGTH=" << m_length;
}

uint32_t
DsssSigHeader::GetSerializedSize (void) const
{
  return 6;
}

void
DsssSigHeader::SetRate (uint64_t rate)
{
  /* Here is the binary representation for a given rate:
   * 1 Mbit/s: 00001010
   * 2 Mbit/s: 00010100
   * 5.5 Mbit/s: 00110111
   * 11 Mbit/s: 01101110
   */
  switch (rate)
    {
      case 1000000:
      default:
        m_rate = 0x0a;
        break;
      case 2000000:
        m_rate = 0x14;
        break;
      case 5500000:
        m_rate = 0x37;
        break;
      case 11000000:
        m_rate = 0x6e;
        break;
    }
}

uint64_t
DsssSigHeader::GetRate (void) const
{
  uint64_t rate = 0;
  switch (m_rate)
    {
      case 0x0a:
      default:
        rate = 1000000;
        break;
      case 0x14:
        rate = 2000000;
        break;
      case 0x37:
        rate = 5500000;
        break;
      case 0x6e:
        rate = 11000000;
        break;
    }
  return rate;
}

void
DsssSigHeader::SetLength (uint16_t length)
{
  m_length = length;
}

uint16_t
DsssSigHeader::GetLength (void) const
{
  return m_length;
}

void
DsssSigHeader::Serialize (Buffer::Iterator start) const
{
  start.WriteU8 (m_rate);
  start.WriteU8 (0);
  start.WriteU16 (m_length);
  start.WriteU16 (0);
}

uint32_t
DsssSigHeader::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  m_rate = i.ReadU8 ();
  i.ReadU8 ();
  m_length =  i.ReadU16 ();
  i.ReadU16 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (LSigHeader);

LSigHeader::LSigHeader ()
  : m_rate (0x0d),
    m_length (0)
{
}

LSigHeader::~LSigHeader ()
{
}

TypeId
LSigHeader::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::LSigHeader")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<LSigHeader> ()
  ;
  return tid;
}

TypeId
LSigHeader::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
LSigHeader::Print (std::ostream &os) const
{
  os << "RATE=" << m_rate
     << "LENGTH=" << m_length;
}

uint32_t
LSigHeader::GetSerializedSize (void) const
{
  return 3;
}

void
LSigHeader::SetRate (uint64_t rate)
{
  /* Here is the binary representation for a given rate:
   * 6 Mbit/s: 1101
   * 9 Mbit/s: 1111
   * 12 Mbit/s: 0101
   * 18 Mbit/s: 0111
   * 24 Mbit/s: 1001
   * 36 Mbit/s: 1011
   * 48 Mbit/s: 0001
   * 54 Mbit/s: 0011
   */
  switch (rate)
    {
      case 6000000:
      default:
        m_rate = 0x0d;
        break;
      case 9000000:
        m_rate = 0x0f;
        break;
      case 12000000:
        m_rate = 0x05;
        break;
      case 18000000:
        m_rate = 0x07;
        break;
      case 24000000:
        m_rate = 0x09;
        break;
      case 36000000:
        m_rate = 0x0b;
        break;
      case 48000000:
        m_rate = 0x01;
        break;
      case 54000000:
        m_rate = 0x03;
        break;
    }
}

uint64_t
LSigHeader::GetRate (void) const
{
  uint64_t rate = 0;
  switch (m_rate)
    {
      case 0x0d:
      default:
        rate = 6000000;
        break;
      case 0x0f:
        rate = 9000000;
        break;
      case 0x05:
        rate = 12000000;
        break;
      case 0x07:
        rate = 18000000;
        break;
      case 0x09:
        rate = 24000000;
        break;
      case 0x0b:
        rate = 36000000;
        break;
      case 0x01:
        rate = 48000000;
        break;
      case 0x03:
        rate = 54000000;
        break;
    }
  return rate;
}

void
LSigHeader::SetLength (uint16_t length)
{
  m_length = length;
}

uint16_t
LSigHeader::GetLength (void) const
{
  return m_length;
}

void
LSigHeader::Serialize (Buffer::Iterator start) const
{
  uint8_t byte1 = 0;
  uint8_t byte2 = 0;

  byte1 |= m_rate;
  byte1 |= (m_length & 0x07) << 5;
  start.WriteU8 (byte1);

  byte2 |= (m_length & 0x0ff8) >> 3;
  start.WriteU8 (byte2);
  start.WriteU8 (0);
}

uint32_t
LSigHeader::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;

  uint8_t byte1 = i.ReadU8 ();
  m_rate = byte1 & 0x0f;
  m_length = (byte1 >> 5) & 0x07;

  uint8_t byte2 = i.ReadU8 ();
  m_length |= (byte2 << 3) & 0x0ff8;

  i.ReadU8 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (HtSigHeader);

HtSigHeader::HtSigHeader ()
  : m_mcs (0),
    m_cbw20_40 (0),
    m_length (0),
    m_aggregation (0),
    m_sgi (0)
{
}

HtSigHeader::~HtSigHeader ()
{
}

TypeId
HtSigHeader::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::HtSigHeader")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<HtSigHeader> ()
  ;
  return tid;
}

TypeId
HtSigHeader::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
HtSigHeader::Print (std::ostream &os) const
{
}

uint32_t
HtSigHeader::GetSerializedSize (void) const
{
  return 6;
}

void
HtSigHeader::SetMcs (uint8_t mcs)
{
  m_mcs = mcs;
}

uint8_t
HtSigHeader::GetMcs (void) const
{
  return m_mcs;
}

void
HtSigHeader::SetChannelWidth (uint16_t channelWidth)
{
  m_cbw20_40 = (channelWidth > 20) ? 1 : 0;
}

uint16_t
HtSigHeader::GetChannelWidth (void) const
{
  return m_cbw20_40 ? 40 : 20;
}

void
HtSigHeader::SetLength (uint16_t length)
{
  m_length = length;
}

uint16_t
HtSigHeader::GetLength (void) const
{
  return m_length;
}

void
HtSigHeader::SetAggregation (bool aggregation)
{
  m_aggregation = aggregation ? 1 : 0;
}

bool
HtSigHeader::GetAggregation (void) const
{
  return m_aggregation ? true : false;
}

void
HtSigHeader::SetShortGuardInterval (bool sgi)
{
  m_sgi = sgi ? 1 : 0;
}

bool
HtSigHeader::GetShortGuardInterval (void) const
{
  return m_sgi ? true : false;
}

void
HtSigHeader::Serialize (Buffer::Iterator start) const
{
  uint8_t byte = m_mcs;
  byte |= ((m_cbw20_40 & 0x01) << 7);
  start.WriteU8 (byte);
  start.WriteU16 (m_length);
  byte = ((m_aggregation & 0x01) << 3);
  byte |= ((m_sgi & 0x01) << 7);
  start.WriteU8 (byte);
  start.WriteU16 (0);
}

uint32_t
HtSigHeader::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  uint8_t byte = i.ReadU8 ();
  m_mcs = byte & 0x7f;
  m_cbw20_40 = ((byte >> 7) & 0x01);
  m_length = i.ReadU16 ();
  byte = i.ReadU8 ();
  m_aggregation = ((byte >> 3) & 0x01);
  m_sgi = ((byte >> 7) & 0x01);
  i.ReadU16 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (VhtSigA1Header);

VhtSigA1Header::VhtSigA1Header ()
  : m_bw (0),
    m_nsts (0)
{
}

VhtSigA1Header::~VhtSigA1Header ()
{
}

TypeId
VhtSigA1Header::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::VhtSigA1Header")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<VhtSigA1Header> ()
  ;
  return tid;
}

TypeId
VhtSigA1Header::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
VhtSigA1Header::Print (std::ostream &os) const
{
}

uint32_t
VhtSigA1Header::GetSerializedSize (void) const
{
  return 3;
}

void
VhtSigA1Header::SetChannelWidth (uint16_t channelWidth)
{
  if (channelWidth == 160)
    {
      m_bw = 3;
    }
  else if (channelWidth == 80)
    {
      m_bw = 2;
    }
  else if (channelWidth == 40)
    {
      m_bw = 1;
    }
  else
    {
      m_bw = 0;
    }
}

uint16_t
VhtSigA1Header::GetChannelWidth (void) const
{
  if (m_bw == 3)
    {
      return 160;
    }
  else if (m_bw == 2)
    {
      return 80;
    }
  else if (m_bw == 1)
    {
      return 40;
    }
  else
    {
      return 20;
    }
}

void
VhtSigA1Header::SetNStreams (uint8_t nStreams)
{
  NS_ASSERT (nStreams <= 8);
  m_nsts = (nStreams - 1);
}

uint8_t
VhtSigA1Header::GetNStreams (void) const
{
  return (m_nsts + 1);
}

void
VhtSigA1Header::Serialize (Buffer::Iterator start) const
{
  uint8_t byte = m_bw;
  byte |= (0x01 << 2); //Set Reserved bit to 1
  start.WriteU8 (byte);
  start.WriteU16 ((m_nsts & 0x07) << 2);
}

uint32_t
VhtSigA1Header::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  uint8_t byte = i.ReadU8 ();
  m_bw = byte & 0x03;
  uint16_t bytes = i.ReadU16 ();
  m_nsts = ((bytes >> 2) & 0x07);
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (VhtSigA2Header);

VhtSigA2Header::VhtSigA2Header ()
  : m_sgi (0),
    m_suMcs (0)
{
}

VhtSigA2Header::~VhtSigA2Header ()
{
}

TypeId
VhtSigA2Header::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::VhtSigA2Header")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<VhtSigA2Header> ()
  ;
  return tid;
}

TypeId
VhtSigA2Header::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
VhtSigA2Header::Print (std::ostream &os) const
{
}

uint32_t
VhtSigA2Header::GetSerializedSize (void) const
{
  return 3;
}

void
VhtSigA2Header::SetShortGuardInterval (bool sgi)
{
  m_sgi = sgi ? 1 : 0;
}

bool
VhtSigA2Header::GetShortGuardInterval (void) const
{
  return m_sgi ? true : false;
}

void
VhtSigA2Header::SetSuMcs (uint8_t mcs)
{
  m_suMcs = mcs;
}

uint8_t
VhtSigA2Header::GetSuMcs (void) const
{
  return m_suMcs;
}

void
VhtSigA2Header::Serialize (Buffer::Iterator start) const
{
  uint8_t byte = m_sgi;
  byte |= ((m_suMcs & 0x0f) << 4);
  start.WriteU8 (byte);
  start.WriteU16 (0);
}

uint32_t
VhtSigA2Header::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  uint8_t byte = i.ReadU8 ();
  m_sgi = byte & 0x01;
  m_suMcs = ((byte >> 4) & 0x0f);
  i.ReadU16 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (VhtSigBHeader);

VhtSigBHeader::VhtSigBHeader ()
{
}

VhtSigBHeader::~VhtSigBHeader ()
{
}

TypeId
VhtSigBHeader::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::VhtSigBHeader")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<VhtSigBHeader> ()
  ;
  return tid;
}

TypeId
VhtSigBHeader::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
VhtSigBHeader::Print (std::ostream &os) const
{
}

uint32_t
VhtSigBHeader::GetSerializedSize (void) const
{
  return 4;
}

void
VhtSigBHeader::Serialize (Buffer::Iterator start) const
{
  start.WriteU32 (0);
}

uint32_t
VhtSigBHeader::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  i.ReadU32 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (HeSigA1Header);

HeSigA1Header::HeSigA1Header ()
  : m_format (1),
    m_bssColor (0),
    m_ul_dl (0),
    m_mcs (0),
    m_spatialReuse (0),
    m_bandwidth (0),
    m_gi_ltf_size (0),
    m_nsts (0)
{
}

HeSigA1Header::~HeSigA1Header ()
{
}

TypeId
HeSigA1Header::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::HeSigA1Header")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<HeSigA1Header> ()
  ;
  return tid;
}

TypeId
HeSigA1Header::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
HeSigA1Header::Print (std::ostream &os) const
{
  os << "BSSColor=" << m_bssColor;
}

uint32_t
HeSigA1Header::GetSerializedSize (void) const
{
  return 4;
}

void
HeSigA1Header::SetMcs (uint8_t mcs)
{
  m_mcs = mcs;
}

uint8_t
HeSigA1Header::GetMcs (void) const
{
  return m_mcs;
}

void
HeSigA1Header::SetBssColor (uint8_t bssColor)
{
  m_bssColor = bssColor;
}

uint8_t
HeSigA1Header::GetBssColor (void) const
{
  return m_bssColor;
}

void
HeSigA1Header::SetChannelWidth (uint16_t channelWidth)
{
  if (channelWidth == 160)
    {
      m_bandwidth = 3;
    }
  else if (channelWidth == 80)
    {
      m_bandwidth = 2;
    }
  else if (channelWidth == 40)
    {
      m_bandwidth = 1;
    }
  else
    {
      m_bandwidth = 0;
    }
}

uint16_t
HeSigA1Header::GetChannelWidth (void) const
{
  if (m_bandwidth == 3)
    {
      return 160;
    }
  else if (m_bandwidth == 2)
    {
      return 80;
    }
  else if (m_bandwidth == 1)
    {
      return 40;
    }
  else
    {
      return 20;
    }
}

void
HeSigA1Header::SetGuardIntervalAndLtfSize (uint16_t gi, uint8_t ltf)
{
  if (gi == 800 && ltf == 1)
    {
      m_gi_ltf_size = 0;
    }
  else if (gi == 800 && ltf == 2)
    {
      m_gi_ltf_size = 1;
    }
  else if (gi == 1600 && ltf == 2)
    {
      m_gi_ltf_size = 2;
    }
  else
    {
      m_gi_ltf_size = 3;
    }
}

uint16_t
HeSigA1Header::GetGuardInterval (void) const
{
  if (m_gi_ltf_size == 3)
    {
      //we currently do not consider DCM nor STBC fields
      return 3200;
    }
  else if (m_gi_ltf_size == 2)
    {
      return 1600;
    }
  else
    {
      return 800;
    }
}

void
HeSigA1Header::SetNStreams (uint8_t nStreams)
{
  NS_ASSERT (nStreams <= 8);
  m_nsts = (nStreams - 1);
}

uint8_t
HeSigA1Header::GetNStreams (void) const
{
  return (m_nsts + 1);
}

void
HeSigA1Header::Serialize (Buffer::Iterator start) const
{
  uint8_t byte = m_format;
  byte |= ((m_ul_dl & 0x01) << 2);
  byte |= ((m_mcs & 0x0f) << 3);
  start.WriteU8 (byte);
  uint16_t bytes = (m_bssColor & 0x3f);
  bytes |= (0x01 << 6); //Reserved set to 1
  bytes |= ((m_spatialReuse & 0x0f) << 7);
  bytes |= ((m_bandwidth & 0x03) << 11);
  bytes |= ((m_gi_ltf_size & 0x03) << 13);
  bytes |= ((m_nsts & 0x01) << 15);
  start.WriteU16 (bytes);
  start.WriteU8 ((m_nsts >> 1) & 0x03);
}

uint32_t
HeSigA1Header::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  uint8_t byte = i.ReadU8 ();
  m_format = (byte & 0x01);
  m_ul_dl = ((byte >> 2) & 0x01);
  m_mcs = ((byte >> 3) & 0x0f);
  uint16_t bytes = i.ReadU16 ();
  m_bssColor = (bytes & 0x3f);
  m_spatialReuse = ((bytes >> 7) & 0x0f);
  m_bandwidth = ((bytes >> 11) & 0x03);
  m_gi_ltf_size = ((bytes >> 13) & 0x03);
  m_nsts = ((bytes >> 15) & 0x01);
  byte = i.ReadU8 ();
  m_nsts |= (byte & 0x03) << 1;
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (HeSigA2Header);

HeSigA2Header::HeSigA2Header ()
{
}

HeSigA2Header::~HeSigA2Header ()
{
}

TypeId
HeSigA2Header::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::HeSigA2Header")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<HeSigA2Header> ()
  ;
  return tid;
}

TypeId
HeSigA2Header::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
HeSigA2Header::Print (std::ostream &os) const
{
}

uint32_t
HeSigA2Header::GetSerializedSize (void) const
{
  return 4;
}

void
HeSigA2Header::Serialize (Buffer::Iterator start) const
{
  start.WriteU32 (0);
}

uint32_t
HeSigA2Header::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  i.ReadU32 ();
  return i.GetDistanceFrom (start);
}

NS_OBJECT_ENSURE_REGISTERED (HeSigBHeader);

HeSigBHeader::HeSigBHeader ()
{
}

HeSigBHeader::~HeSigBHeader ()
{
}

TypeId
HeSigBHeader::GetTypeId (void)
{
  static TypeId tid = TypeId ("ns3::HeSigBHeader")
    .SetParent<Header> ()
    .SetGroupName ("Wifi")
    .AddConstructor<HeSigBHeader> ()
  ;
  return tid;
}

TypeId
HeSigBHeader::GetInstanceTypeId (void) const
{
  return GetTypeId ();
}

void
HeSigBHeader::Print (std::ostream &os) const
{
}

uint32_t
HeSigBHeader::GetSerializedSize (void) const
{
  return 1;
}

void
HeSigBHeader::Serialize (Buffer::Iterator start) const
{
  start.WriteU8 (0);
}

uint32_t
HeSigBHeader::Deserialize (Buffer::Iterator start)
{
  Buffer::Iterator i = start;
  i.ReadU8 ();
  return i.GetDistanceFrom (start);
}

} //namespace ns3




/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2018 Sébastien Deronne
 *
 * 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: Sébastien Deronne <sebastien.deronne@gmail.com>
 */

#ifndef WIFI_PLCP_HEADER_H
#define WIFI_PLCP_HEADER_H

#include "ns3/header.h"

namespace ns3 {

/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11b SIG PLCP header
 */
class DsssSigHeader : public Header
{
public:
  DsssSigHeader ();
  virtual ~DsssSigHeader ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the RATE field of L-SIG (in bit/s).
   *
   * \param rate the RATE field of L-SIG expressed in bit/s
   */
  void SetRate (uint64_t rate);
  /**
   * Return the RATE field of L-SIG (in bit/s).
   *
   * \return the RATE field of L-SIG expressed in bit/s
   */
  uint64_t GetRate (void) const;
  /**
   * Fill the LENGTH field of L-SIG (in bytes).
   *
   * \param length the LENGTH field of L-SIG expressed in bytes
   */
  void SetLength (uint16_t length);
  /**
   * Return the LENGTH field of L-SIG (in bytes).
   *
   * \return the LENGTH field of L-SIG expressed in bytes
   */
  uint16_t GetLength (void) const;


private:
  uint8_t m_rate;    ///< RATE field
  uint16_t m_length; ///< LENGTH field
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11 L-SIG PLCP header
 */
class LSigHeader : public Header
{
public:
  LSigHeader ();
  virtual ~LSigHeader ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the RATE field of L-SIG (in bit/s).
   *
   * \param rate the RATE field of L-SIG expressed in bit/s
   */
  void SetRate (uint64_t rate);
  /**
   * Return the RATE field of L-SIG (in bit/s).
   *
   * \return the RATE field of L-SIG expressed in bit/s
   */
  uint64_t GetRate (void) const;
  /**
   * Fill the LENGTH field of L-SIG (in bytes).
   *
   * \param length the LENGTH field of L-SIG expressed in bytes
   */
  void SetLength (uint16_t length);
  /**
   * Return the LENGTH field of L-SIG (in bytes).
   *
   * \return the LENGTH field of L-SIG expressed in bytes
   */
  uint16_t GetLength (void) const;


private:
  uint8_t m_rate;    ///< RATE field
  uint16_t m_length; ///< LENGTH field
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11n HT-SIG PLCP header
 */
class HtSigHeader : public Header
{
public:
  HtSigHeader ();
  virtual ~HtSigHeader ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the MCS field of HT-SIG.
   *
   * \param length the MCS field of HT-SIG
   */
  void SetMcs (uint8_t mcs);
  /**
   * Return the MCS field of HT-SIG.
   *
   * \return the MCS field of HT-SIG
   */
  uint8_t GetMcs (void) const;
  /**
   * Fill the channel width field of HT-SIG (in MHz).
   *
   * \param width the channel width (in MHz)
   */
  void SetChannelWidth (uint16_t width);
  /**
   * Return the channel width (in MHz).
   *
   * \return the channel width (in MHz)
   */
  uint16_t GetChannelWidth (void) const;
  /**
   * Fill the aggregation field of HT-SIG .
   *
   * \param aggregation whether the PSDU contains A-MPDU or not
   */
  void SetAggregation (bool aggregation);
  /**
   * Return the aggregation field of HT-SIG.
   *
   * \return the aggregation field of HT-SIG
   */
  bool GetAggregation (void) const;
  /**
   * Fill the short guard interval field of HT-SIG.
   *
   * \param sgi whether short guard interval is used or not
   */
  void SetShortGuardInterval (bool sgi);
  /**
   * Return the short guard interval field of HT-SIG.
   *
   * \return the short guard interval field of HT-SIG
   */
  bool GetShortGuardInterval (void) const;
  /**
   * Fill the HT length field of HT-SIG (in bytes).
   *
   * \param length the HT length field of HT-SIG (in bytes)
   */
  void SetLength (uint16_t length);
  /**
   * Return the HT length field of HT-SIG (in bytes).
   *
   * \return the HT length field of HT-SIG (in bytes)
   */
  uint16_t GetLength (void) const;


private:
  uint8_t m_mcs;         ///< Modulation and Coding Scheme index
  uint8_t m_cbw20_40;    ///< CBW 20/40
  uint16_t m_length;     ///< HT length
  uint8_t m_aggregation; ///< Aggregation
  uint8_t m_sgi;         ///< Short Guard Interval
};

/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ac VHT-SIG-A1 PLCP header
 */
class VhtSigA1Header : public Header
{
public:
  VhtSigA1Header ();
  virtual ~VhtSigA1Header ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the channel width field of VHT-SIG-A1 (in MHz).
   *
   * \param width the channel width (in MHz)
   */
  void SetChannelWidth (uint16_t width);
  /**
   * Return the channel width (in MHz).
   *
   * \return the channel width (in MHz)
   */
  uint16_t GetChannelWidth (void) const;
  /**
   * Fill the number of streams field of VHT-SIG-A1.
   *
   * \param nStreams the number of streams
   */
  void SetNStreams (uint8_t nStreams);
  /**
   * Return the number of streams.
   *
   * \return the number of streams
   */
  uint8_t GetNStreams (void) const;

private:
  uint8_t m_bw;   ///< BW
  uint8_t m_nsts; ///< NSTS
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ac VHT-SIG-A2 PLCP header
 */
class VhtSigA2Header : public Header
{
public:
  VhtSigA2Header ();
  virtual ~VhtSigA2Header ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the short guard interval field of VHT-SIG-A2.
   *
   * \param sgi whether short guard interval is used or not
   */
  void SetShortGuardInterval (bool sgi);
  /**
   * Return the short GI field of VHT-SIG-A2.
   *
   * \return the short GI field of VHT-SIG-A2
   */
  bool GetShortGuardInterval (void) const;
  /**
   * Fill the SU VHT MCS field of VHT-SIG-A2.
   *
   * \param length the SU VHT MCS field of VHT-SIG-A2
   */
  void SetSuMcs (uint8_t mcs);
  /**
   * Return the SU VHT MCS field of VHT-SIG-A2.
   *
   * \return the SU VHT MCS field of VHT-SIG-A2
   */
  uint8_t GetSuMcs (void) const;


private:
  uint8_t m_sgi;   ///< Short GI
  uint8_t m_suMcs; ///< SU VHT MCS
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ac VHT-SIG-B PLCP header
 */
class VhtSigBHeader : public Header
{
public:
  VhtSigBHeader ();
  virtual ~VhtSigBHeader ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ax HE-SIG-A1 PLCP header
 */
class HeSigA1Header : public Header
{
public:
  HeSigA1Header ();
  virtual ~HeSigA1Header ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);

  /**
   * Fill the MCS field of HE-SIG-A1.
   *
   * \param length the MCS field of HE-SIG-A1
   */
  void SetMcs (uint8_t mcs);
  /**
   * Return the MCS field of HE-SIG-A1.
   *
   * \return the MCS field of HE-SIG-A1
   */
  uint8_t GetMcs (void) const;
  /**
   * Fill the BSS Color field of HE-SIG-A1.
   *
   * \param bssColor the BSS Color value
   */
  void SetBssColor (uint8_t bssColor);
  /**
   * Return the BSS Color field in the HE-SIG-A1.
   *
   * \return the BSS Color field in the HE-SIG-A1
   */
  uint8_t GetBssColor (void) const;
  /**
   * Fill the channel width field of HE-SIG-A1 (in MHz).
   *
   * \param width the channel width (in MHz)
   */
  void SetChannelWidth (uint16_t width);
  /**
   * Return the channel width (in MHz).
   *
   * \return the channel width (in MHz)
   */
  uint16_t GetChannelWidth (void) const;
  /**
   * Fill the GI + LTF size field of HE-SIG-A1.
   *
   * \param gi the guard interval (in nanoseconds)
   * \param ltf the number of HE-LTF
   */
  void SetGuardIntervalAndLtfSize (uint16_t gi, uint8_t ltf);
  /**
   * Return the guard interval (in nanoseconds).
   *
   * \return the guard interval (in nanoseconds)
   */
  uint16_t GetGuardInterval (void) const;
  /**
   * Fill the number of streams field of HE-SIG-A1.
   *
   * \param nStreams the number of streams
   */
  void SetNStreams (uint8_t nStreams);
  /**
   * Return the number of streams.
   *
   * \return the number of streams
   */
  uint8_t GetNStreams (void) const;


private:
  //TODO: add boolean to know whether this is part of a HE SU or HE MU PPDU (fields and positions are different! We currently only support HE SU)
  uint8_t m_format;       ///< Format bit
  uint8_t m_bssColor;     ///< BSS color field
  uint8_t m_ul_dl;        ///< UL/DL bit
  uint8_t m_mcs;          ///< MCS field
  uint8_t m_spatialReuse; ///< Spatial Reuse field
  uint8_t m_bandwidth;    ///< Bandwidth field
  uint8_t m_gi_ltf_size;  ///< GI+LTF Size field
  uint8_t m_nsts;         ///< NSTS
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ax HE-SIG-A2 PLCP header
 */
class HeSigA2Header : public Header
{
public:
  HeSigA2Header ();
  virtual ~HeSigA2Header ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);
};


/**
 * \ingroup wifi
 *
 * Implements the IEEE 802.11ax HE-SIG-B PLCP header
 */
class HeSigBHeader : public Header
{
public:
  HeSigBHeader ();
  virtual ~HeSigBHeader ();

  /**
   * \brief Get the type ID.
   * \return the object TypeId
   */
  static TypeId GetTypeId (void);
  TypeId GetInstanceTypeId (void) const;
  void Print (std::ostream &os) const;
  uint32_t GetSerializedSize (void) const;
  void Serialize (Buffer::Iterator start) const;
  uint32_t Deserialize (Buffer::Iterator start);
};

} //namespace ns3

#endif /* WIFI_PLCP_HEADER_H */




    m_ness (0),
    m_aggregation (false),
    m_stbc (false),
    m_modeInitialized (false)
    m_txPowerLevelInitialized (false)
{
}


    m_ness (ness),
    m_aggregation (aggregation),
    m_stbc (stbc),
    m_modeInitialized (true)
    m_txPowerLevelInitialized (true)
{
}

bool
WifiTxVector::GetModeInitialized (void) const
{
  return m_modeInitialized;
}

WifiMode
WifiTxVector::GetMode (void) const
{

uint8_t
WifiTxVector::GetTxPowerLevel (void) const
{
  if (!m_txPowerLevelInitialized)
    {
      NS_FATAL_ERROR ("WifiTxVector txPowerLevel must be set before using");
    }
  return m_txPowerLevel;
}


WifiTxVector::SetTxPowerLevel (uint8_t powerlevel)
{
  m_txPowerLevel = powerlevel;
  m_txPowerLevelInitialized = true;
}

void

(-)a/src/wifi/model/wifi-tx-vector.h (-1 / +4 lines)

Lines 87-92 public:	Link Here

                bool aggregation,

                bool aggregation,

                bool stbc);

                bool stbc);

/**

/**

   * \returns whether mode has been initialized

*/

  bool GetModeInitialized (void) const;

/**

   * \returns the selected payload transmission mode

   * \returns the selected payload transmission mode

*/

*/

  WifiMode GetMode (void) const;

  WifiMode GetMode (void) const;

Lines 218-224 private:	Link Here

218

  bool     m_stbc;               /**< STBC used or not */

222

  bool     m_stbc;               /**< STBC used or not */

219

223

220

  bool     m_modeInitialized;         /**< Internal initialization flag */

224

  bool     m_modeInitialized;         /**< Internal initialization flag */

221

  bool     m_txPowerLevelInitialized; /**< Internal initialization flag */

222

};

225

};

223

226

224

/**

227

/**

(-)a/src/wifi/test/spectrum-wifi-phy-test.cc (-1 / +1 lines)

Lines 118-124 SpectrumWifiPhyBasicTest::MakeSignal (double txPowerWatts)	Link Here

118

119

  pkt->AddHeader (hdr);

119

  pkt->AddHeader (hdr);

120

  pkt->AddTrailer (trailer);

120

  pkt->AddTrailer (trailer);

121

  WifiPhyTag tag (txVector, mpdutype, 1);

121

  WifiPhyTag tag (txVector.GetPreambleType (), txVector.GetMode ().GetModulationClass (), mpdutype, 1);

122

  pkt->AddPacketTag (tag);

122

  pkt->AddPacketTag (tag);

123

  Ptr<SpectrumValue> txPowerSpectrum = WifiSpectrumValueHelper::CreateOfdmTxPowerSpectralDensity (FREQUENCY, CHANNEL_WIDTH, txPowerWatts, GUARD_WIDTH);

123

  Ptr<SpectrumValue> txPowerSpectrum = WifiSpectrumValueHelper::CreateOfdmTxPowerSpectralDensity (FREQUENCY, CHANNEL_WIDTH, txPowerWatts, GUARD_WIDTH);

124

  Ptr<WifiSpectrumSignalParameters> txParams = Create<WifiSpectrumSignalParameters> ();

124

  Ptr<WifiSpectrumSignalParameters> txParams = Create<WifiSpectrumSignalParameters> ();




#include "ns3/yans-wifi-phy.h"
#include "ns3/mgt-headers.h"
#include "ns3/ht-configuration.h"
#include "ns3/wifi-plcp-header.h"

using namespace ns3;


      NS_FATAL_ERROR ("Received Wi-Fi Signal with no WifiPhyTag");
      return;
    }
  uint16_t channelWidth;
  WifiModulationClass modulationClass = tag.GetModulation ();

  WifiPreamble preamble = tag.GetPreambleType ();
  if ((modulationClass != WIFI_MOD_CLASS_HT) || (preamble != WIFI_PREAMBLE_HT_GF))
    {
      LSigHeader sig;
      bool found = packet->RemoveHeader (sig);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11 signal with no SIG field");
          return;
        }
      channelWidth = 20;
    }
  if (modulationClass == WIFI_MOD_CLASS_HT)
    {
      HtSigHeader htSig;
      bool found = packet->RemoveHeader (htSig);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11n signal with no HT-SIG field");
          return;
        }
      channelWidth = htSig.GetChannelWidth ();
    }
  else if (modulationClass == WIFI_MOD_CLASS_VHT)
    {
      VhtSigA1Header vhtSigA1;
      VhtSigA2Header vhtSigA2;
      VhtSigBHeader vhtSigB;
      bool found = packet->RemoveHeader (vhtSigB);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-B field");
          return;
        }
      found = packet->RemoveHeader (vhtSigA2);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-A2 field");
          return;
        }
      found = packet->RemoveHeader (vhtSigA1);
      if (!found)
        {
          NS_FATAL_ERROR ("Received 802.11ac signal with no VHT-SIG-A1 field");
          return;
        }
      channelWidth = vhtSigA1.GetChannelWidth ();
    }

  // Build a tuple and check if seen before (if so store it)
  FreqWidthSubbandModulationTuple tupleForCurrentTx = std::make_tuple (startingFreq, channelWidth, numBands, modulationClass);
                                                                       numBands, modulationClass);
  bool found = false;
  for (std::vector<FreqWidthSubbandModulationTuple>::const_iterator it = m_distinctTuples.begin (); it != m_distinctTuples.end (); it++)
    {

(-)a/src/wifi/wscript (+2 lines)

Lines 21-26 def build(bld):	Link Here

        'model/wifi-phy-tag.cc',

        'model/wifi-phy-tag.cc',

        'model/wifi-spectrum-phy-interface.cc',

        'model/wifi-spectrum-phy-interface.cc',

        'model/wifi-spectrum-signal-parameters.cc',

        'model/wifi-spectrum-signal-parameters.cc',

        'model/wifi-plcp-header.cc',

        'model/wifi-mac-header.cc',

        'model/wifi-mac-header.cc',

        'model/wifi-mac-trailer.cc',

        'model/wifi-mac-trailer.cc',

        'model/mac-low.cc',

        'model/mac-low.cc',

Lines 155-160 def build(bld):	Link Here

155

        'model/dsss-error-rate-model.h',

156

        'model/dsss-error-rate-model.h',

156

        'model/wifi-mac-queue.h',

157

        'model/wifi-mac-queue.h',

157

        'model/txop.h',

158

        'model/txop.h',

159

        'model/wifi-plcp-header.h',

158

        'model/wifi-mac-header.h',

160

        'model/wifi-mac-header.h',

159

        'model/wifi-mac-trailer.h',

161

        'model/wifi-mac-trailer.h',

160

        'model/wifi-phy-state-helper.h',

162

        'model/wifi-phy-state-helper.h',

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