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unison/src/network/utils/radiotap-header.cc
2022-10-14 14:13:12 +00:00

908 lines
26 KiB
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/*
* Copyright (c) 2009 CTTC
*
* 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, Include., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors: Nicola Baldo <nbaldo@cttc.es>
* Sébastien Deronne <sebastien.deronne@gmail.com>
*/
#include "radiotap-header.h"
#include "ns3/log.h"
#include <cmath>
#include <iomanip>
namespace ns3
{
NS_LOG_COMPONENT_DEFINE("RadiotapHeader");
NS_OBJECT_ENSURE_REGISTERED(RadiotapHeader);
RadiotapHeader::RadiotapHeader()
: m_length(8),
m_present(0),
m_tsft(0),
m_flags(FRAME_FLAG_NONE),
m_rate(0),
m_channelFreq(0),
m_channelFlags(CHANNEL_FLAG_NONE),
m_antennaSignal(0),
m_antennaNoise(0),
m_ampduStatusRef(0),
m_ampduStatusFlags(0),
m_ampduStatusCRC(0),
m_vhtPad(0),
m_vhtKnown(0),
m_vhtFlags(0),
m_vhtBandwidth(0),
m_vhtCoding(0),
m_vhtGroupId(0),
m_vhtPartialAid(0),
m_hePad(0),
m_heData1(0),
m_heData2(0),
m_heData3(0),
m_heData4(0),
m_heData5(0),
m_heData6(0),
m_heMuPad(0),
m_heMuFlags1(0),
m_heMuFlags2(0),
m_heMuOtherUserPad(0),
m_heMuPerUser1(0),
m_heMuPerUser2(0),
m_heMuPerUserPosition(0),
m_heMuPerUserKnown(0)
{
NS_LOG_FUNCTION(this);
}
TypeId
RadiotapHeader::GetTypeId()
{
static TypeId tid = TypeId("ns3::RadiotapHeader")
.SetParent<Header>()
.SetGroupName("Network")
.AddConstructor<RadiotapHeader>();
return tid;
}
TypeId
RadiotapHeader::GetInstanceTypeId() const
{
return GetTypeId();
}
uint32_t
RadiotapHeader::GetSerializedSize() const
{
NS_LOG_FUNCTION(this);
return m_length;
}
void
RadiotapHeader::Serialize(Buffer::Iterator start) const
{
NS_LOG_FUNCTION(this << &start);
start.WriteU8(0); // major version of radiotap header
start.WriteU8(0); // pad field
start.WriteU16(m_length); // entire length of radiotap data + header
start.WriteU32(m_present); // bits describing which fields follow header
//
// Time Synchronization Function Timer (when the first bit of the MPDU
// arrived at the MAC)
// Reference: https://www.radiotap.org/fields/TSFT.html
//
if (m_present & RADIOTAP_TSFT) // bit 0
{
start.WriteU64(m_tsft);
}
//
// Properties of transmitted and received frames.
// Reference: https://www.radiotap.org/fields/Flags.html
//
if (m_present & RADIOTAP_FLAGS) // bit 1
{
start.WriteU8(m_flags);
}
//
// TX/RX data rate in units of 500 kbps
// Reference: https://www.radiotap.org/fields/Rate.html
//
if (m_present & RADIOTAP_RATE) // bit 2
{
start.WriteU8(m_rate);
}
//
// Tx/Rx frequency in MHz, followed by flags.
// Reference: https://www.radiotap.org/fields/Channel.html
//
if (m_present & RADIOTAP_CHANNEL) // bit 3
{
start.WriteU8(0, m_channelPad);
start.WriteU16(m_channelFreq);
start.WriteU16(m_channelFlags);
}
//
// The hop set and pattern for frequency-hopping radios. We don't need it but
// still need to account for it.
// Reference: https://www.radiotap.org/fields/FHSS.html
//
if (m_present & RADIOTAP_FHSS) // bit 4
{
start.WriteU8(0); // not yet implemented
}
//
// RF signal power at the antenna, decibel difference from an arbitrary, fixed
// reference.
// Reference: https://www.radiotap.org/fields/Antenna%20signal.html
//
if (m_present & RADIOTAP_DBM_ANTSIGNAL) // bit 5
{
start.WriteU8(m_antennaSignal);
}
//
// RF noise power at the antenna, decibel difference from an arbitrary, fixed
// reference.
// Reference: https://www.radiotap.org/fields/Antenna%20noise.html
//
if (m_present & RADIOTAP_DBM_ANTNOISE) // bit 6
{
start.WriteU8(m_antennaNoise);
}
//
// Quality of Barker code lock.
// Reference: https://www.radiotap.org/fields/Lock%20quality.html
//
if (m_present & RADIOTAP_LOCK_QUALITY) // bit 7
{
start.WriteU16(0); // not yet implemented
}
//
// Transmit power expressed as unitless distance from max power
// set at factory calibration (0 is max power).
// Reference: https://www.radiotap.org/fields/TX%20attenuation.html
//
if (m_present & RADIOTAP_TX_ATTENUATION) // bit 8
{
start.WriteU16(0); // not yet implemented
}
//
// Transmit power expressed as decibel distance from max power
// set at factory calibration (0 is max power).
// Reference: https://www.radiotap.org/fields/dB%20TX%20attenuation.html
//
if (m_present & RADIOTAP_DB_TX_ATTENUATION) // bit 9
{
start.WriteU16(0); // not yet implemented
}
//
// Transmit power expressed as dBm (decibels from a 1 milliwatt reference).
// This is the absolute power level measured at the antenna port.
// Reference: https://www.radiotap.org/fields/dBm%20TX%20power.html
//
if (m_present & RADIOTAP_DBM_TX_POWER) // bit 10
{
start.WriteU8(0); // not yet implemented
}
//
// Unitless indication of the Rx/Tx antenna for this packet.
// The first antenna is antenna 0.
// Reference: https://www.radiotap.org/fields/Antenna.html
//
if (m_present & RADIOTAP_ANTENNA) // bit 11
{
start.WriteU8(0); // not yet implemented
}
//
// RF signal power at the antenna (decibel difference from an arbitrary fixed reference).
// Reference: https://www.radiotap.org/fields/dB%20antenna%20signal.html
//
if (m_present & RADIOTAP_DB_ANTSIGNAL) // bit 12
{
start.WriteU8(0); // not yet implemented
}
//
// RF noise power at the antenna (decibel difference from an arbitrary fixed reference).
// Reference: https://www.radiotap.org/fields/dB%20antenna%20noise.html
//
if (m_present & RADIOTAP_DB_ANTNOISE) // bit 13
{
start.WriteU8(0); // not yet implemented
}
//
// Properties of received frames.
// Reference: https://www.radiotap.org/fields/RX%20flags.html
//
if (m_present & RADIOTAP_RX_FLAGS) // bit 14
{
start.WriteU16(0); // not yet implemented
}
//
// MCS field.
// Reference: https://www.radiotap.org/fields/MCS.html
//
if (m_present & RADIOTAP_MCS) // bit 19
{
start.WriteU8(m_mcsKnown);
start.WriteU8(m_mcsFlags);
start.WriteU8(m_mcsRate);
}
//
// A-MPDU Status, information about the received or transmitted A-MPDU.
// Reference: https://www.radiotap.org/fields/A-MPDU%20status.html
//
if (m_present & RADIOTAP_AMPDU_STATUS) // bit 20
{
start.WriteU8(0, m_ampduStatusPad);
start.WriteU32(m_ampduStatusRef);
start.WriteU16(m_ampduStatusFlags);
start.WriteU8(m_ampduStatusCRC);
start.WriteU8(0);
}
//
// Information about the received or transmitted VHT frame.
// Reference: https://www.radiotap.org/fields/VHT.html
//
if (m_present & RADIOTAP_VHT) // bit 21
{
start.WriteU8(0, m_vhtPad);
start.WriteU16(m_vhtKnown);
start.WriteU8(m_vhtFlags);
start.WriteU8(m_vhtBandwidth);
for (uint8_t i = 0; i < 4; i++)
{
start.WriteU8(m_vhtMcsNss[i]);
}
start.WriteU8(m_vhtCoding);
start.WriteU8(m_vhtGroupId);
start.WriteU16(m_vhtPartialAid);
}
//
// HE field.
// Reference: https://www.radiotap.org/fields/HE.html
//
if (m_present & RADIOTAP_HE) // bit 23
{
start.WriteU8(0, m_hePad);
start.WriteU16(m_heData1);
start.WriteU16(m_heData2);
start.WriteU16(m_heData3);
start.WriteU16(m_heData4);
start.WriteU16(m_heData5);
start.WriteU16(m_heData6);
}
//
// HE MU field.
// Reference: https://www.radiotap.org/fields/HE-MU.html
//
if (m_present & RADIOTAP_HE_MU) // bit 24
{
start.WriteU8(0, m_heMuPad);
start.WriteU16(m_heMuFlags1);
start.WriteU16(m_heMuFlags2);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
start.WriteU8(0);
}
//
// HE MU other user field.
// Reference: https://www.radiotap.org/fields/HE-MU-other-user.html
//
if (m_present & RADIOTAP_HE_MU_OTHER_USER) // bit 25
{
start.WriteU8(0, m_heMuOtherUserPad);
start.WriteU16(m_heMuPerUser1);
start.WriteU16(m_heMuPerUser2);
start.WriteU8(m_heMuPerUserPosition);
start.WriteU8(m_heMuPerUserKnown);
}
}
uint32_t
RadiotapHeader::Deserialize(Buffer::Iterator start)
{
NS_LOG_FUNCTION(this << &start);
uint8_t tmp = start.ReadU8(); // major version of radiotap header
NS_ASSERT_MSG(tmp == 0x00, "RadiotapHeader::Deserialize(): Unexpected major version");
start.ReadU8(); // pad field
m_length = start.ReadU16(); // entire length of radiotap data + header
m_present = start.ReadU32(); // bits describing which fields follow header
uint32_t bytesRead = 8;
//
// Time Synchronization Function Timer (when the first bit of the MPDU arrived at the MAC)
// Reference: https://www.radiotap.org/fields/TSFT.html
//
if (m_present & RADIOTAP_TSFT) // bit 0
{
m_tsft = start.ReadU64();
bytesRead += 8;
}
//
// Properties of transmitted and received frames.
// Reference: https://www.radiotap.org/fields/Flags.html
//
if (m_present & RADIOTAP_FLAGS) // bit 1
{
m_flags = start.ReadU8();
++bytesRead;
}
//
// TX/RX data rate in units of 500 kbps
// Reference: https://www.radiotap.org/fields/Rate.html
//
if (m_present & RADIOTAP_RATE) // bit 2
{
m_rate = start.ReadU8();
++bytesRead;
}
//
// Tx/Rx frequency in MHz, followed by flags.
// Reference: https://www.radiotap.org/fields/Channel.html
//
if (m_present & RADIOTAP_CHANNEL) // bit 3
{
m_channelPad = ((2 - bytesRead % 2) % 2);
start.Next(m_channelPad);
m_channelFreq = start.ReadU16();
m_channelFlags = start.ReadU16();
bytesRead += (4 + m_channelPad);
}
//
// The hop set and pattern for frequency-hopping radios. We don't need it but
// still need to account for it.
// Reference: https://www.radiotap.org/fields/FHSS.html
//
if (m_present & RADIOTAP_FHSS) // bit 4
{
// not yet implemented
start.ReadU8();
++bytesRead;
}
//
// RF signal power at the antenna, decibel difference from an arbitrary, fixed
// reference.
// Reference: https://www.radiotap.org/fields/Antenna%20signal.html
//
if (m_present & RADIOTAP_DBM_ANTSIGNAL) // bit 5
{
m_antennaSignal = start.ReadU8();
++bytesRead;
}
//
// RF noise power at the antenna, decibel difference from an arbitrary, fixed
// reference.
// Reference: https://www.radiotap.org/fields/Antenna%20noise.html
//
if (m_present & RADIOTAP_DBM_ANTNOISE) // bit 6
{
m_antennaNoise = start.ReadU8();
++bytesRead;
}
//
// Quality of Barker code lock.
// Reference: https://www.radiotap.org/fields/Lock%20quality.html
//
if (m_present & RADIOTAP_LOCK_QUALITY) // bit 7
{
// not yet implemented
start.ReadU16();
bytesRead += 2;
}
//
// Transmit power expressed as unitless distance from max power
// set at factory calibration (0 is max power).
// Reference: https://www.radiotap.org/fields/TX%20attenuation.html
//
if (m_present & RADIOTAP_TX_ATTENUATION) // bit 8
{
// not yet implemented
start.ReadU16();
bytesRead += 2;
}
//
// Transmit power expressed as decibel distance from max power
// set at factory calibration (0 is max power).
// Reference: https://www.radiotap.org/fields/dB%20TX%20attenuation.html
//
if (m_present & RADIOTAP_DB_TX_ATTENUATION) // bit 9
{
// not yet implemented
start.ReadU16();
bytesRead += 2;
}
//
// Transmit power expressed as dBm (decibels from a 1 milliwatt reference).
// This is the absolute power level measured at the antenna port.
// Reference: https://www.radiotap.org/fields/dBm%20TX%20power.html
//
if (m_present & RADIOTAP_DBM_TX_POWER) // bit 10
{
// not yet implemented
start.ReadU8();
++bytesRead;
}
//
// Unitless indication of the Rx/Tx antenna for this packet.
// The first antenna is antenna 0.
// Reference: https://www.radiotap.org/fields/Antenna.html
//
if (m_present & RADIOTAP_ANTENNA) // bit 11
{
// not yet implemented
start.ReadU8();
++bytesRead;
}
//
// RF signal power at the antenna (decibel difference from an arbitrary fixed reference).
// Reference: https://www.radiotap.org/fields/dB%20antenna%20signal.html
//
if (m_present & RADIOTAP_DB_ANTSIGNAL) // bit 12
{
// not yet implemented
start.ReadU8();
++bytesRead;
}
//
// RF noise power at the antenna (decibel difference from an arbitrary fixed reference).
// Reference: https://www.radiotap.org/fields/dB%20antenna%20noise.html
//
if (m_present & RADIOTAP_DB_ANTNOISE) // bit 13
{
// not yet implemented
start.ReadU8();
++bytesRead;
}
//
// Properties of received frames.
// Reference: https://www.radiotap.org/fields/RX%20flags.html
//
if (m_present & RADIOTAP_RX_FLAGS) // bit 14
{
// not yet implemented
start.ReadU16();
bytesRead += 2;
}
//
// MCS field.
// Reference: https://www.radiotap.org/fields/MCS.html
//
if (m_present & RADIOTAP_MCS) // bit 19
{
m_mcsKnown = start.ReadU8();
m_mcsFlags = start.ReadU8();
m_mcsRate = start.ReadU8();
bytesRead += 3;
}
//
// A-MPDU Status, information about the received or transmitted A-MPDU.
// Reference: https://www.radiotap.org/fields/A-MPDU%20status.html
//
if (m_present & RADIOTAP_AMPDU_STATUS) // bit 20
{
m_ampduStatusPad = ((4 - bytesRead % 4) % 4);
start.Next(m_ampduStatusPad);
m_ampduStatusRef = start.ReadU32();
m_ampduStatusFlags = start.ReadU16();
m_ampduStatusCRC = start.ReadU8();
start.ReadU8();
bytesRead += (8 + m_ampduStatusPad);
}
//
// Information about the received or transmitted VHT frame.
// Reference: https://www.radiotap.org/fields/VHT.html
//
if (m_present & RADIOTAP_VHT) // bit 21
{
m_vhtPad = ((2 - bytesRead % 2) % 2);
start.Next(m_vhtPad);
m_vhtKnown = start.ReadU16();
m_vhtFlags = start.ReadU8();
m_vhtBandwidth = start.ReadU8();
for (uint8_t i = 0; i < 4; i++)
{
m_vhtMcsNss[i] = start.ReadU8();
}
m_vhtCoding = start.ReadU8();
m_vhtGroupId = start.ReadU8();
m_vhtPartialAid = start.ReadU16();
bytesRead += (12 + m_vhtPad);
}
//
// HE field.
// Reference: https://www.radiotap.org/fields/HE.html
//
if (m_present & RADIOTAP_HE) // bit 23
{
m_hePad = ((2 - bytesRead % 2) % 2);
start.Next(m_hePad);
m_heData1 = start.ReadU16();
m_heData2 = start.ReadU16();
m_heData3 = start.ReadU16();
m_heData4 = start.ReadU16();
m_heData5 = start.ReadU16();
m_heData6 = start.ReadU16();
bytesRead += (12 + m_hePad);
}
//
// HE MU field.
// Reference: https://www.radiotap.org/fields/HE-MU.html
//
if (m_present & RADIOTAP_HE_MU) // bit 24
{
m_heMuPad = ((2 - bytesRead % 2) % 2);
m_heMuFlags1 = start.ReadU16();
m_heMuFlags2 = start.ReadU16();
start.ReadU8();
start.ReadU8();
start.ReadU8();
start.ReadU8();
start.ReadU8();
start.ReadU8();
start.ReadU8();
start.ReadU8();
bytesRead += (12 + m_heMuPad);
}
//
// HE MU other user field.
// Reference: https://www.radiotap.org/fields/HE-MU-other-user.html
//
if (m_present & RADIOTAP_HE_MU_OTHER_USER) // bit 25
{
m_heMuOtherUserPad = ((2 - bytesRead % 2) % 2);
m_heMuPerUser1 = start.ReadU16();
m_heMuPerUser2 = start.ReadU16();
m_heMuPerUserPosition = start.ReadU8();
m_heMuPerUserKnown = start.ReadU8();
bytesRead += (6 + m_heMuOtherUserPad);
}
NS_ASSERT_MSG(m_length == bytesRead,
"RadiotapHeader::Deserialize(): expected and actual lengths inconsistent");
return bytesRead;
}
void
RadiotapHeader::Print(std::ostream& os) const
{
NS_LOG_FUNCTION(this << &os);
os << " tsft=" << m_tsft << " flags=" << std::hex << m_flags << std::dec << " rate=" << +m_rate
<< " freq=" << m_channelFreq << " chflags=" << std::hex << +m_channelFlags << std::dec
<< " signal=" << +m_antennaSignal << " noise=" << +m_antennaNoise
<< " mcsKnown=" << m_mcsKnown << " mcsFlags=" << m_mcsFlags << " mcsRate=" << m_mcsRate
<< " ampduStatusFlags=" << +m_ampduStatusFlags << " vhtKnown=" << m_vhtKnown
<< " vhtFlags=" << m_vhtFlags << " vhtBandwidth=" << m_vhtBandwidth
<< " vhtMcsNss for user 1=" << m_vhtMcsNss[0] << " vhtMcsNss for user 2=" << m_vhtMcsNss[1]
<< " vhtMcsNss for user 3=" << m_vhtMcsNss[2] << " vhtMcsNss for user 4=" << m_vhtMcsNss[3]
<< " vhtCoding=" << m_vhtCoding << " vhtGroupId=" << m_vhtGroupId
<< " vhtPartialAid=" << m_vhtPartialAid << " heData1=" << m_heData1
<< " heData2=" << m_heData2 << " heData3=" << m_heData3 << " heData4=" << m_heData4
<< " heData5=" << m_heData5 << " heData6=" << m_heData6 << " heMuFlags1=" << m_heMuFlags1
<< " heMuFlags2=" << m_heMuFlags2 << " heMuPerUser1=" << m_heMuPerUser1
<< " heMuPerUser2=" << m_heMuPerUser2 << " heMuPerUserPosition=" << +m_heMuPerUserPosition
<< " heMuPerUserKnown=" << +m_heMuPerUserKnown;
}
void
RadiotapHeader::SetTsft(uint64_t value)
{
NS_LOG_FUNCTION(this << value);
m_tsft = value;
if (!(m_present & RADIOTAP_TSFT))
{
m_present |= RADIOTAP_TSFT;
m_length += 8;
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetFrameFlags(uint8_t flags)
{
NS_LOG_FUNCTION(this << +flags);
m_flags = flags;
if (!(m_present & RADIOTAP_FLAGS))
{
m_present |= RADIOTAP_FLAGS;
m_length += 1;
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetRate(uint8_t rate)
{
NS_LOG_FUNCTION(this << +rate);
m_rate = rate;
if (!(m_present & RADIOTAP_RATE))
{
m_present |= RADIOTAP_RATE;
m_length += 1;
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetChannelFrequencyAndFlags(uint16_t frequency, uint16_t flags)
{
NS_LOG_FUNCTION(this << frequency << flags);
m_channelFreq = frequency;
m_channelFlags = flags;
if (!(m_present & RADIOTAP_CHANNEL))
{
m_channelPad = ((2 - m_length % 2) % 2);
m_present |= RADIOTAP_CHANNEL;
m_length += (4 + m_channelPad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetAntennaSignalPower(double signal)
{
NS_LOG_FUNCTION(this << signal);
if (!(m_present & RADIOTAP_DBM_ANTSIGNAL))
{
m_present |= RADIOTAP_DBM_ANTSIGNAL;
m_length += 1;
}
if (signal > 127)
{
m_antennaSignal = 127;
}
else if (signal < -128)
{
m_antennaSignal = -128;
}
else
{
m_antennaSignal = static_cast<int8_t>(floor(signal + 0.5));
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetAntennaNoisePower(double noise)
{
NS_LOG_FUNCTION(this << noise);
if (!(m_present & RADIOTAP_DBM_ANTNOISE))
{
m_present |= RADIOTAP_DBM_ANTNOISE;
m_length += 1;
}
if (noise > 127.0)
{
m_antennaNoise = 127;
}
else if (noise < -128.0)
{
m_antennaNoise = -128;
}
else
{
m_antennaNoise = static_cast<int8_t>(floor(noise + 0.5));
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetMcsFields(uint8_t known, uint8_t flags, uint8_t mcs)
{
NS_LOG_FUNCTION(this << known << +flags << +mcs);
m_mcsKnown = known;
m_mcsFlags = flags;
m_mcsRate = mcs;
if (!(m_present & RADIOTAP_MCS))
{
m_present |= RADIOTAP_MCS;
m_length += 3;
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetAmpduStatus(uint32_t referenceNumber, uint16_t flags, uint8_t crc)
{
NS_LOG_FUNCTION(this << referenceNumber << flags);
m_ampduStatusRef = referenceNumber;
m_ampduStatusFlags = flags;
m_ampduStatusCRC = crc;
if (!(m_present & RADIOTAP_AMPDU_STATUS))
{
m_ampduStatusPad = ((4 - m_length % 4) % 4);
m_present |= RADIOTAP_AMPDU_STATUS;
m_length += (8 + m_ampduStatusPad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetVhtFields(uint16_t known,
uint8_t flags,
uint8_t bandwidth,
uint8_t mcs_nss[4],
uint8_t coding,
uint8_t group_id,
uint16_t partial_aid)
{
NS_LOG_FUNCTION(this << known << flags << +mcs_nss[0] << +mcs_nss[1] << +mcs_nss[2]
<< +mcs_nss[3] << +coding << +group_id << +partial_aid);
m_vhtKnown = known;
m_vhtFlags = flags;
m_vhtBandwidth = bandwidth;
for (uint8_t i = 0; i < 4; i++)
{
m_vhtMcsNss[i] = mcs_nss[i];
}
m_vhtCoding = coding;
m_vhtGroupId = group_id;
m_vhtPartialAid = partial_aid;
if (!(m_present & RADIOTAP_VHT))
{
m_vhtPad = ((2 - m_length % 2) % 2);
m_present |= RADIOTAP_VHT;
m_length += (12 + m_vhtPad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetHeFields(uint16_t data1,
uint16_t data2,
uint16_t data3,
uint16_t data4,
uint16_t data5,
uint16_t data6)
{
NS_LOG_FUNCTION(this << data1 << data2 << data3 << data4 << data5 << data6);
m_heData1 = data1;
m_heData2 = data2;
m_heData3 = data3;
m_heData4 = data4;
m_heData5 = data5;
m_heData6 = data6;
if (!(m_present & RADIOTAP_HE))
{
m_hePad = ((2 - m_length % 2) % 2);
m_present |= RADIOTAP_HE;
m_length += (12 + m_hePad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetHeMuFields(uint16_t flags1,
uint16_t flags2,
const std::array<uint8_t, 4>& /*ruChannel1*/,
const std::array<uint8_t, 4>& /*ruChannel2*/)
{
NS_LOG_FUNCTION(this << flags1 << flags2);
m_heMuFlags1 = flags1;
m_heMuFlags2 = flags2;
if (!(m_present & RADIOTAP_HE_MU))
{
m_heMuPad = ((2 - m_length % 2) % 2);
m_present |= RADIOTAP_HE_MU;
m_length += (12 + m_heMuPad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
void
RadiotapHeader::SetHeMuPerUserFields(uint16_t perUser1,
uint16_t perUser2,
uint8_t perUserPosition,
uint8_t perUserKnown)
{
NS_LOG_FUNCTION(this << perUser1 << perUser2 << +perUserPosition << +perUserKnown);
m_heMuPerUser1 = perUser1;
m_heMuPerUser2 = perUser2;
m_heMuPerUserPosition = perUserPosition;
m_heMuPerUserKnown = perUserKnown;
if (!(m_present & RADIOTAP_HE_MU_OTHER_USER))
{
m_heMuOtherUserPad = ((2 - m_length % 2) % 2);
m_present |= RADIOTAP_HE_MU_OTHER_USER;
m_length += (6 + m_heMuOtherUserPad);
}
NS_LOG_LOGIC(this << " m_length=" << m_length << " m_present=0x" << std::hex << m_present
<< std::dec);
}
} // namespace ns3