Headers for Trigger frames. More...

#include "ctrl-headers.h"

Inheritance diagram for ns3::CtrlTriggerHeader:

Collaboration diagram for ns3::CtrlTriggerHeader:

Public Types
typedef std::list< CtrlTriggerUserInfoField >::const_iterator	ConstIterator
	User Info fields list const iterator.

typedef std::list< CtrlTriggerUserInfoField >::iterator	Iterator
	User Info fields list iterator.

Public Member Functions
	CtrlTriggerHeader ()

	CtrlTriggerHeader (TriggerFrameType type, const WifiTxVector &txVector)
	Constructor.

	~CtrlTriggerHeader () override

CtrlTriggerUserInfoField &	AddUserInfoField ()
	Append a new User Info field to this Trigger frame and return a non-const reference to it.

CtrlTriggerUserInfoField &	AddUserInfoField (const CtrlTriggerUserInfoField &userInfo)
	Append the given User Info field to this Trigger frame and return a non-const reference to it.

Iterator	begin ()
	Get an iterator pointing to the first User Info field in the list.

ConstIterator	begin () const
	Get a const iterator pointing to the first User Info field in the list.

uint32_t	Deserialize (Buffer::Iterator start) override

Iterator	end ()
	Get an iterator indicating past-the-last User Info field in the list.

ConstIterator	end () const
	Get a const iterator indicating past-the-last User Info field in the list.

ConstIterator	FindUserInfoWithAid (ConstIterator start, uint16_t aid12) const
	Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) whose AID12 subfield is set to the given value.

ConstIterator	FindUserInfoWithAid (uint16_t aid12) const
	Get a const iterator pointing to the first User Info field found whose AID12 subfield is set to the given value.

ConstIterator	FindUserInfoWithRaRuAssociated () const
	Get a const iterator pointing to the first User Info field found which allocates a Random Access RU for associated stations.

ConstIterator	FindUserInfoWithRaRuAssociated (ConstIterator start) const
	Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) which allocates a Random Access RU for associated stations.

ConstIterator	FindUserInfoWithRaRuUnassociated () const
	Get a const iterator pointing to the first User Info field found which allocates a Random Access RU for unassociated stations.

ConstIterator	FindUserInfoWithRaRuUnassociated (ConstIterator start) const
	Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) which allocates a Random Access RU for unassociated stations.

int8_t	GetApTxPower () const
	Get the power value (dBm) indicated by the AP TX Power subfield of the Common Info field.

CtrlTriggerHeader	GetCommonInfoField () const
	Get a copy of the Common Info field of this Trigger frame.

bool	GetCsRequired () const
	Get the CS Required subfield of the Common Info field.

Time	GetGuardInterval () const
	Get the guard interval duration of the solicited HE TB PPDU.

WifiTxVector	GetHeTbTxVector (uint16_t staId) const
	Get the TX vector that the station with the given STA-ID will use to send the HE TB PPDU solicited by this Trigger Frame.

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

uint8_t	GetLtfType () const
	Get the LTF type of the solicited HE TB PPDU.

bool	GetMoreTF () const
	Get the More TF subfield of the Common Info field.

std::size_t	GetNUserInfoFields () const
	Get the number of User Info fields in this Trigger Frame.

std::size_t	GetPaddingSize () const

uint32_t	GetSerializedSize () const override

TriggerFrameType	GetType () const
	Get the Trigger Frame type.

const char *	GetTypeString () const
	Return a string corresponding to the Trigger Frame type.

MHz_u	GetUlBandwidth () const
	Get the bandwidth of the solicited HE TB PPDU.

uint16_t	GetUlLength () const
	Get the UL Length subfield of the Common Info field.

uint16_t	GetUlSpatialReuse () const
	Get the UL Spatial Reuse subfield of the Common Info field.

TriggerFrameVariant	GetVariant () const
	Get the Common Info field variant.

bool	IsBasic () const
	Check if this is a Basic Trigger frame.

bool	IsBfrp () const
	Check if this is a Beamforming Report Poll Trigger frame.

bool	IsBqrp () const
	Check if this is a Bandwidth Query Report Poll Trigger frame.

bool	IsBsrp () const
	Check if this is a Buffer Status Report Poll Trigger frame.

bool	IsGcrMuBar () const
	Check if this is a Groupcast with Retries (GCR) MU-BAR Trigger frame.

bool	IsMuBar () const
	Check if this is a MU-BAR Trigger frame.

bool	IsMuRts () const
	Check if this is a MU-RTS Trigger frame.

bool	IsNfrp () const
	Check if this is a NDP Feedback Report Poll Trigger frame.

bool	IsValid () const
	Check the validity of this Trigger frame.

CtrlTriggerHeader &	operator= (const CtrlTriggerHeader &trigger)
	Copy assignment operator.

void	Print (std::ostream &os) const override

void	Serialize (Buffer::Iterator start) const override

void	SetApTxPower (int8_t power)
	Set the AP TX Power subfield of the Common Info field.

void	SetCsRequired (bool cs)
	Set the CS Required subfield of the Common Info field.

void	SetGiAndLtfType (Time guardInterval, uint8_t ltfType)
	Set the GI And LTF Type subfield of the Common Info field.

void	SetMoreTF (bool more)
	Set the More TF subfield of the Common Info field.

void	SetPaddingSize (std::size_t size)
	Set the size in bytes of the Padding field.

void	SetType (TriggerFrameType type)
	Set the Trigger frame type.

void	SetUlBandwidth (MHz_u bw)
	Set the bandwidth of the solicited HE TB PPDU.

void	SetUlLength (uint16_t len)
	Set the UL Length subfield of the Common Info field.

void	SetUlSpatialReuse (uint16_t sr)
	Set the UL Spatial Reuse subfield of the Common Info field.

void	SetVariant (TriggerFrameVariant variant)
	Set the Common Info field variant.

Public Member Functions inherited from ns3::Header
	~Header () override

virtual uint32_t	Deserialize (Buffer::Iterator start, Buffer::Iterator end)
	Deserialize the object from a buffer iterator.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value, bool permissive=false) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

static const char *	GetTypeString (TriggerFrameType type)
	Return a string corresponding to the given Trigger Frame type.

Static Public Member Functions inherited from ns3::Header
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Chunk
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Private Attributes
uint8_t	m_apTxPower
	Tx Power used by AP to transmit the Trigger Frame.

bool	m_csRequired
	Carrier Sense required.

uint8_t	m_giAndLtfType
	GI And LTF Type subfield.

bool	m_moreTF
	True if a subsequent Trigger frame follows.

std::size_t	m_padding
	the size in bytes of the Padding field

TriggerFrameType	m_triggerType
	Trigger type.

uint8_t	m_ulBandwidth
	UL BW subfield.

uint16_t	m_ulLength
	Value for the L-SIG Length field.

uint16_t	m_ulSpatialReuse
	Value for the Spatial Reuse field in HE-SIG-A.

std::list< CtrlTriggerUserInfoField >	m_userInfoFields
	List of User Info fields.

TriggerFrameVariant	m_variant
	Common Info field.

Additional Inherited Members
Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Related Symbols inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

Headers for Trigger frames.

802.11ax amendment defines eight types of Trigger frames (see Section 9.3.1.23 of D3.0):

Basic
Beamforming Report Poll (BFRP)
Multi-User Block Ack Request (MU-BAR)
Multi-User Request To Send (MU-RTS)
Buffer Status Report Poll (BSRP)
Groupcast with Retries (GCR) MU-BAR
Bandwidth Query Report Poll (BQRP)
NDP Feedback Report Poll (NFRP) For now only the Basic, MU-BAR, MU-RTS, BSRP and BQRP variants are supported. Basic Trigger is also the default variant.

The Padding field is optional, given that other techniques (post-EOF A-MPDU padding, aggregating other MPDUs in the A-MPDU) are available to satisfy the minimum time requirement. The size in bytes of the Padding field is configurable.

Definition at line 930 of file ctrl-headers.h.

Member Typedef Documentation

◆ ConstIterator

typedef std::list<CtrlTriggerUserInfoField>::const_iterator ns3::CtrlTriggerHeader::ConstIterator

User Info fields list const iterator.

Definition at line 1213 of file ctrl-headers.h.

◆ Iterator

typedef std::list<CtrlTriggerUserInfoField>::iterator ns3::CtrlTriggerHeader::Iterator

User Info fields list iterator.

Definition at line 1216 of file ctrl-headers.h.

Constructor & Destructor Documentation

◆ CtrlTriggerHeader() [1/2]

ns3::CtrlTriggerHeader::CtrlTriggerHeader ( )

Definition at line 1652 of file ctrl-headers.cc.

◆ CtrlTriggerHeader() [2/2]

ns3::CtrlTriggerHeader::CtrlTriggerHeader	(	TriggerFrameType	type,
		const WifiTxVector &	txVector )

Constructor.

Construct a Trigger Frame of the given type from the values stored in the given TX vector. In particular:

the UL Bandwidth, UL Length and GI And LTF Type subfields of the Common Info field are set based on the values stored in the TX vector;
as many User Info fields as the number of entries in the HeMuUserInfoMap of the TX vector are added to the Trigger Frame. The AID12, RU Allocation, UL MCS and SS Allocation subfields of each User Info field are set based on the values stored in the corresponding entry of the HeMuUserInfoMap.

This constructor cannot be used to construct MU-RTS Trigger Frames.

Parameters

type	the Trigger frame type
txVector	the TX vector used to build this Trigger Frame

Definition at line 1666 of file ctrl-headers.cc.

References AddUserInfoField(), ns3::EHT, ns3::WifiTxVector::GetChannelWidth(), ns3::WifiTxVector::GetGuardInterval(), ns3::WifiTxVector::GetHeMuUserInfoMap(), ns3::WifiTxVector::GetLength(), ns3::Time::GetNanoSeconds(), ns3::WifiTxVector::GetPreambleType(), ns3::HE, m_giAndLtfType, m_triggerType, m_variant, ns3::MU_RTS_TRIGGER, NS_ABORT_MSG, NS_ABORT_MSG_IF, ns3::CtrlTriggerUserInfoField::SetAid12(), ns3::CtrlTriggerUserInfoField::SetRuAllocation(), ns3::CtrlTriggerUserInfoField::SetSsAllocation(), SetUlBandwidth(), SetUlLength(), ns3::CtrlTriggerUserInfoField::SetUlMcs(), ns3::WIFI_PREAMBLE_EHT_TB, and ns3::WIFI_PREAMBLE_HE_TB.

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◆ ~CtrlTriggerHeader()

ns3::CtrlTriggerHeader::~CtrlTriggerHeader ( )

override

Definition at line 1707 of file ctrl-headers.cc.

Member Function Documentation

◆ AddUserInfoField() [1/2]

CtrlTriggerUserInfoField & ns3::CtrlTriggerHeader::AddUserInfoField ( )

Append a new User Info field to this Trigger frame and return a non-const reference to it.

Make sure to call this method after setting the type of the Trigger frame.

Returns: a non-const reference to the newly added User Info field

Definition at line 2169 of file ctrl-headers.cc.

References m_triggerType, m_userInfoFields, and m_variant.

Referenced by CtrlTriggerHeader(), ns3::WifiProtectionManager::AddUserInfoToMuRts(), Deserialize(), ns3::GetMuBarSize(), and TestUlOfdmaPowerControl::SendMuBar().

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◆ AddUserInfoField() [2/2]

CtrlTriggerUserInfoField & ns3::CtrlTriggerHeader::AddUserInfoField ( const CtrlTriggerUserInfoField & userInfo )

Append the given User Info field to this Trigger frame and return a non-const reference to it.

Make sure that the type of the given User Info field matches the type of this Trigger Frame.

Parameters

userInfo the User Info field to append to this Trigger Frame

Returns: a non-const reference to the newly added User Info field

Definition at line 2176 of file ctrl-headers.cc.

References ns3::CtrlTriggerUserInfoField::GetType(), m_triggerType, m_userInfoFields, and NS_ABORT_MSG_IF.

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◆ begin() [1/2]

CtrlTriggerHeader::Iterator ns3::CtrlTriggerHeader::begin ( )

Get an iterator pointing to the first User Info field in the list.

Returns: an iterator pointing to the first User Info field in the list

Definition at line 2198 of file ctrl-headers.cc.

References m_userInfoFields.

◆ begin() [2/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::begin ( ) const

Get a const iterator pointing to the first User Info field in the list.

Returns: a const iterator pointing to the first User Info field in the list

Definition at line 2186 of file ctrl-headers.cc.

References m_userInfoFields.

Referenced by ns3::MultiUserScheduler::GetTriggerFrame(), TestMultiUserScheduler::SelectTxFormat(), ns3::RrMultiUserScheduler::TrySendingBsrpTf(), and ns3::WifiDefaultAckManager::TryUlMuTransmission().

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◆ Deserialize()

uint32_t ns3::CtrlTriggerHeader::Deserialize ( Buffer::Iterator start )

overridevirtual

Parameters

start an iterator which points to where the header should read from.

Returns: the number of bytes read.

This method is used by Packet::RemoveHeader to re-create a header from the byte buffer of a packet. The data read is expected to match bit-for-bit the representation of this header in real networks.

Note that data is not actually removed from the buffer to which the iterator points. Both Packet::RemoveHeader() and Packet::PeekHeader() call Deserialize(), but only the RemoveHeader() has additional statements to remove the header bytes from the underlying buffer and associated metadata.

Implements ns3::Header.

Definition at line 1840 of file ctrl-headers.cc.

References AddUserInfoField(), ns3::BFRP_TRIGGER, ns3::CtrlTriggerUserInfoField::Deserialize(), ns3::EHT, ns3::GCR_MU_BAR_TRIGGER, ns3::Buffer::Iterator::GetDistanceFrom(), ns3::Buffer::Iterator::GetRemainingSize(), ns3::HE, m_apTxPower, m_csRequired, m_giAndLtfType, m_moreTF, m_padding, m_triggerType, m_ulBandwidth, m_ulLength, m_ulSpatialReuse, m_userInfoFields, m_variant, ns3::NFRP_TRIGGER, NS_ABORT_MSG_IF, ns3::Buffer::Iterator::Prev(), ns3::Buffer::Iterator::ReadLsbtohU64(), and ns3::Buffer::Iterator::ReadU16().

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◆ end() [1/2]

CtrlTriggerHeader::Iterator ns3::CtrlTriggerHeader::end ( )

Get an iterator indicating past-the-last User Info field in the list.

Returns: an iterator indicating past-the-last User Info field in the list

Definition at line 2204 of file ctrl-headers.cc.

References m_userInfoFields.

Referenced by grid.TimelinesRenderer::draw_events(), and grid.TimelinesRenderer::draw_ranges().

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◆ end() [2/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::end ( ) const

Get a const iterator indicating past-the-last User Info field in the list.

Returns: a const iterator indicating past-the-last User Info field in the list

Definition at line 2192 of file ctrl-headers.cc.

References m_userInfoFields.

Referenced by grid.TimelinesRenderer::draw_events(), grid.TimelinesRenderer::draw_ranges(), FindUserInfoWithAid(), ns3::HeFrameExchangeManager::GetCtsTxVectorAfterMuRts(), ns3::EhtFrameExchangeManager::GetEmlsrSwitchToListening(), GetHeTbTxVector(), ns3::HeFrameExchangeManager::GetHeTbTxVector(), ns3::HeFrameExchangeManager::PostProcessFrame(), ns3::EhtFrameExchangeManager::ReceiveMpdu(), ns3::HeFrameExchangeManager::ReceiveMpdu(), and ns3::HeFrameExchangeManager::UlMuCsMediumIdle().

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◆ FindUserInfoWithAid() [1/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithAid	(	ConstIterator	start,
		uint16_t	aid12 ) const

Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) whose AID12 subfield is set to the given value.

Parameters

start	a const iterator pointing to the User Info field to start the search from
aid12	the value of the AID12 subfield to match

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2216 of file ctrl-headers.cc.

References end(), and ns3::CtrlTriggerUserInfoField::GetAid12().

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◆ FindUserInfoWithAid() [2/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithAid ( uint16_t aid12 ) const

Get a const iterator pointing to the first User Info field found whose AID12 subfield is set to the given value.

Parameters

aid12 the value of the AID12 subfield to match

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2226 of file ctrl-headers.cc.

References FindUserInfoWithAid(), and m_userInfoFields.

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◆ FindUserInfoWithRaRuAssociated() [1/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithRaRuAssociated ( ) const

Get a const iterator pointing to the first User Info field found which allocates a Random Access RU for associated stations.

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2238 of file ctrl-headers.cc.

References FindUserInfoWithAid().

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◆ FindUserInfoWithRaRuAssociated() [2/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithRaRuAssociated ( ConstIterator start ) const

Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) which allocates a Random Access RU for associated stations.

Parameters

start a const iterator pointing to the User Info field to start the search from

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2232 of file ctrl-headers.cc.

References FindUserInfoWithAid().

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◆ FindUserInfoWithRaRuUnassociated() [1/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithRaRuUnassociated ( ) const

Get a const iterator pointing to the first User Info field found which allocates a Random Access RU for unassociated stations.

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2250 of file ctrl-headers.cc.

References FindUserInfoWithAid().

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◆ FindUserInfoWithRaRuUnassociated() [2/2]

CtrlTriggerHeader::ConstIterator ns3::CtrlTriggerHeader::FindUserInfoWithRaRuUnassociated ( ConstIterator start ) const

Get a const iterator pointing to the first User Info field found (starting from the one pointed to by the given iterator) which allocates a Random Access RU for unassociated stations.

Parameters

start a const iterator pointing to the User Info field to start the search from

Returns: a const iterator pointing to the User Info field matching the specified criterion, if any, or an iterator indicating past-the-last User Info field.

Definition at line 2244 of file ctrl-headers.cc.

References FindUserInfoWithAid().

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◆ GetApTxPower()

int8_t ns3::CtrlTriggerHeader::GetApTxPower ( ) const

Get the power value (dBm) indicated by the AP TX Power subfield of the Common Info field.

Returns: the AP TX Power (dBm) per 20 MHz

Definition at line 2128 of file ctrl-headers.cc.

References m_apTxPower.

Referenced by ns3::HeFrameExchangeManager::GetHeTbTxVector().

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◆ GetCommonInfoField()

CtrlTriggerHeader ns3::CtrlTriggerHeader::GetCommonInfoField ( ) const

Get a copy of the Common Info field of this Trigger frame.

Note that the User Info fields are excluded.

Returns: a Trigger frame including a copy of the Common Info field of this frame.

Definition at line 2160 of file ctrl-headers.cc.

References m_userInfoFields.

◆ GetCsRequired()

bool ns3::CtrlTriggerHeader::GetCsRequired ( ) const

Get the CS Required subfield of the Common Info field.

Returns: the CS Required subfield

Definition at line 2024 of file ctrl-headers.cc.

References m_csRequired.

Referenced by ns3::HeFrameExchangeManager::UlMuCsMediumIdle().

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◆ GetGuardInterval()

Time ns3::CtrlTriggerHeader::GetGuardInterval ( ) const

Get the guard interval duration of the solicited HE TB PPDU.

Returns: the guard interval duration of the solicited HE TB PPDU

Definition at line 2081 of file ctrl-headers.cc.

References m_giAndLtfType, ns3::NanoSeconds(), and NS_FATAL_ERROR.

Referenced by GetHeTbTxVector(), ns3::HeFrameExchangeManager::GetTrigVector(), TestMultiUserScheduler::SelectTxFormat(), ns3::RrMultiUserScheduler::TrySendingBasicTf(), and ns3::RrMultiUserScheduler::TrySendingBsrpTf().

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◆ GetHeTbTxVector()

WifiTxVector ns3::CtrlTriggerHeader::GetHeTbTxVector ( uint16_t staId ) const

Get the TX vector that the station with the given STA-ID will use to send the HE TB PPDU solicited by this Trigger Frame.

Note that the TX power level is not set by this method.

Parameters

staId the STA-ID of a station addressed by this Trigger Frame

Returns: the TX vector of the solicited HE TB PPDU

Definition at line 1987 of file ctrl-headers.cc.

References end(), FindUserInfoWithAid(), GetGuardInterval(), GetUlBandwidth(), GetUlLength(), m_triggerType, ns3::MU_RTS_TRIGGER, NS_ABORT_MSG_IF, NS_ASSERT, ns3::WifiTxVector::SetChannelWidth(), ns3::WifiTxVector::SetGuardInterval(), ns3::WifiTxVector::SetHeMuUserInfo(), ns3::WifiTxVector::SetLength(), and ns3::WifiTxVector::SetPreambleType().

Referenced by ns3::HeFrameExchangeManager::GetHeTbTxVector(), TestMultiUserScheduler::SelectTxFormat(), TestUlOfdmaPowerControl::SendMuBar(), ns3::RrMultiUserScheduler::TrySendingBsrpTf(), and ns3::WifiDefaultAckManager::TryUlMuTransmission().

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◆ GetInstanceTypeId()

TypeId ns3::CtrlTriggerHeader::GetInstanceTypeId ( ) const

overridevirtual

Get the most derived TypeId for this Object.

This method is typically implemented by ns3::Object::GetInstanceTypeId but some classes which derive from ns3::ObjectBase directly have to implement it themselves.

Returns: The TypeId associated to the most-derived type of this instance.

Implements ns3::ObjectBase.

Definition at line 1746 of file ctrl-headers.cc.

References GetTypeId().

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◆ GetLtfType()

uint8_t ns3::CtrlTriggerHeader::GetLtfType ( ) const

Get the LTF type of the solicited HE TB PPDU.

Returns: the LTF type of the solicited HE TB PPDU

Definition at line 2098 of file ctrl-headers.cc.

References m_giAndLtfType, and NS_FATAL_ERROR.

◆ GetMoreTF()

bool ns3::CtrlTriggerHeader::GetMoreTF ( ) const

Get the More TF subfield of the Common Info field.

Returns: the More TF subfield

Definition at line 2012 of file ctrl-headers.cc.

References m_moreTF.

◆ GetNUserInfoFields()

std::size_t ns3::CtrlTriggerHeader::GetNUserInfoFields ( ) const

Get the number of User Info fields in this Trigger Frame.

Returns: the number of User Info fields in this Trigger Frame

Definition at line 2210 of file ctrl-headers.cc.

References m_userInfoFields.

Referenced by OfdmaAckSequenceTest::CheckResults(), ns3::MultiUserScheduler::GetTriggerFrame(), ns3::HeFrameExchangeManager::PrepareMuBar(), and ns3::WifiDefaultProtectionManager::TryUlMuTransmission().

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◆ GetPaddingSize()

std::size_t ns3::CtrlTriggerHeader::GetPaddingSize ( ) const

Returns: the size in bytes of the Padding field

Definition at line 2154 of file ctrl-headers.cc.

References m_padding.

◆ GetSerializedSize()

uint32_t ns3::CtrlTriggerHeader::GetSerializedSize ( ) const

overridevirtual

Returns: the expected size of the header.

This method is used by Packet::AddHeader to store a header into the byte buffer of a packet. This method should return the number of bytes which are needed to store the full header data by Serialize.

Implements ns3::Header.

Definition at line 1778 of file ctrl-headers.cc.

References ns3::GCR_MU_BAR_TRIGGER, m_padding, m_triggerType, and m_userInfoFields.

Referenced by ns3::GetMuBarSize().

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◆ GetType()

TriggerFrameType ns3::CtrlTriggerHeader::GetType ( ) const

Get the Trigger Frame type.

Returns: the Trigger Frame type

Definition at line 1892 of file ctrl-headers.cc.

References m_triggerType.

Referenced by GetTypeString(), and ns3::RrMultiUserScheduler::SelectTxFormat().

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◆ GetTypeId()

TypeId ns3::CtrlTriggerHeader::GetTypeId ( )

static

Get the type ID.

Returns: the object TypeId

Definition at line 1736 of file ctrl-headers.cc.

References ns3::TypeId::SetParent().

Referenced by GetInstanceTypeId().

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◆ GetTypeString() [1/2]

const char * ns3::CtrlTriggerHeader::GetTypeString ( ) const

Return a string corresponding to the Trigger Frame type.

Returns: a string corresponding to the Trigger Frame type.

Definition at line 1898 of file ctrl-headers.cc.

References GetType(), and GetTypeString().

Referenced by GetTypeString(), and Print().

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◆ GetTypeString() [2/2]

const char * ns3::CtrlTriggerHeader::GetTypeString ( TriggerFrameType type )

static

Return a string corresponding to the given Trigger Frame type.

Parameters

type	the Trigger Frame type

Returns: a string corresponding to the Trigger Frame type.

Definition at line 1904 of file ctrl-headers.cc.

References ns3::BASIC_TRIGGER, ns3::BFRP_TRIGGER, ns3::BQRP_TRIGGER, ns3::BSRP_TRIGGER, FOO, ns3::GCR_MU_BAR_TRIGGER, ns3::MU_BAR_TRIGGER, ns3::MU_RTS_TRIGGER, and ns3::NFRP_TRIGGER.

◆ GetUlBandwidth()

MHz_u ns3::CtrlTriggerHeader::GetUlBandwidth ( ) const

Get the bandwidth of the solicited HE TB PPDU.

Returns: the bandwidth (20, 40, 80 or 160)

Definition at line 2053 of file ctrl-headers.cc.

References m_ulBandwidth.

Referenced by GetHeTbTxVector(), ns3::HeFrameExchangeManager::GetTrigVector(), IsValid(), Print(), ns3::WifiDefaultProtectionManager::TryUlMuTransmission(), and ns3::HeFrameExchangeManager::UlMuCsMediumIdle().

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◆ GetUlLength()

uint16_t ns3::CtrlTriggerHeader::GetUlLength ( ) const

Get the UL Length subfield of the Common Info field.

Returns: the UL Length subfield

Definition at line 1981 of file ctrl-headers.cc.

References m_ulLength.

Referenced by GetHeTbTxVector(), ns3::HeFrameExchangeManager::GetTrigVector(), ns3::HeFrameExchangeManager::PrepareMuBar(), ns3::HeFrameExchangeManager::ReceiveBasicTrigger(), and ns3::HeFrameExchangeManager::SendQosNullFramesInTbPpdu().

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◆ GetUlSpatialReuse()

uint16_t ns3::CtrlTriggerHeader::GetUlSpatialReuse ( ) const

Get the UL Spatial Reuse subfield of the Common Info field.

Returns: the UL Spatial Reuse subfield

Definition at line 2141 of file ctrl-headers.cc.

References m_ulSpatialReuse.

◆ GetVariant()

TriggerFrameVariant ns3::CtrlTriggerHeader::GetVariant ( ) const

Get the Common Info field variant.

Returns: the Common Info field variant

Definition at line 1772 of file ctrl-headers.cc.

References m_variant.

Referenced by ns3::HeFrameExchangeManager::GetTrigVector().

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◆ IsBasic()

bool ns3::CtrlTriggerHeader::IsBasic ( ) const

Check if this is a Basic Trigger frame.

Returns: true if this is a Basic Trigger frame, false otherwise

Definition at line 1927 of file ctrl-headers.cc.

References ns3::BASIC_TRIGGER, and m_triggerType.

Referenced by OfdmaAckSequenceTest::CheckResults(), ns3::HeFrameExchangeManager::ReceiveBasicTrigger(), ns3::HeFrameExchangeManager::ReceiveMpdu(), ns3::HeFrameExchangeManager::SendQosNullFramesInTbPpdu(), MultiLinkMuTxTest::Transmit(), OfdmaAckSequenceTest::Transmit(), and ns3::WifiDefaultAckManager::TryUlMuTransmission().

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◆ IsBfrp()

bool ns3::CtrlTriggerHeader::IsBfrp ( ) const

Check if this is a Beamforming Report Poll Trigger frame.

Returns: true if this is a Beamforming Report Poll Trigger frame, false otherwise

Definition at line 1933 of file ctrl-headers.cc.

References ns3::BFRP_TRIGGER, and m_triggerType.

◆ IsBqrp()

bool ns3::CtrlTriggerHeader::IsBqrp ( ) const

Check if this is a Bandwidth Query Report Poll Trigger frame.

Returns: true if this is a Bandwidth Query Report Poll Trigger frame, false otherwise

Definition at line 1963 of file ctrl-headers.cc.

References ns3::BQRP_TRIGGER, and m_triggerType.

◆ IsBsrp()

bool ns3::CtrlTriggerHeader::IsBsrp ( ) const

Check if this is a Buffer Status Report Poll Trigger frame.

Returns: true if this is a Buffer Status Report Poll Trigger frame, false otherwise

Definition at line 1951 of file ctrl-headers.cc.

References ns3::BSRP_TRIGGER, and m_triggerType.

Referenced by OfdmaAckSequenceTest::CheckResults(), ns3::HeFrameExchangeManager::ReceiveMpdu(), ns3::HeFrameExchangeManager::SendQosNullFramesInTbPpdu(), and ns3::WifiDefaultAckManager::TryUlMuTransmission().

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◆ IsGcrMuBar()

bool ns3::CtrlTriggerHeader::IsGcrMuBar ( ) const

Check if this is a Groupcast with Retries (GCR) MU-BAR Trigger frame.

Returns: true if this is a Groupcast with Retries (GCR) MU-BAR Trigger frame, false otherwise

Definition at line 1957 of file ctrl-headers.cc.

References ns3::GCR_MU_BAR_TRIGGER, and m_triggerType.

◆ IsMuBar()

bool ns3::CtrlTriggerHeader::IsMuBar ( ) const

Check if this is a MU-BAR Trigger frame.

Returns: true if this is a MU-BAR Trigger frame, false otherwise

Definition at line 1939 of file ctrl-headers.cc.

References m_triggerType, and ns3::MU_BAR_TRIGGER.

Referenced by ns3::HeFrameExchangeManager::ReceiveMpdu().

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◆ IsMuRts()

bool ns3::CtrlTriggerHeader::IsMuRts ( ) const

Check if this is a MU-RTS Trigger frame.

Returns: true if this is a MU-RTS Trigger frame, false otherwise

Definition at line 1945 of file ctrl-headers.cc.

References m_triggerType, and ns3::MU_RTS_TRIGGER.

Referenced by EmlsrDlTxopTest::CheckInitialControlFrame(), EmlsrUlTxopTest::CheckInitialControlFrame(), EmlsrDlTxopTest::CheckResults(), EmlsrUlTxopTest::CheckResults(), OfdmaAckSequenceTest::CheckResults(), ns3::HeFrameExchangeManager::PostProcessFrame(), ns3::EhtFrameExchangeManager::ReceiveMpdu(), ns3::HeFrameExchangeManager::ReceiveMpdu(), and ns3::HeFrameExchangeManager::UlMuCsMediumIdle().

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◆ IsNfrp()

bool ns3::CtrlTriggerHeader::IsNfrp ( ) const

Check if this is a NDP Feedback Report Poll Trigger frame.

Returns: true if this is a NDP Feedback Report Poll Trigger frame, false otherwise

Definition at line 1969 of file ctrl-headers.cc.

References m_triggerType, and ns3::NFRP_TRIGGER.

◆ IsValid()

bool ns3::CtrlTriggerHeader::IsValid ( ) const

Check the validity of this Trigger frame.

TODO Implement the checks listed in Section 27.5.3.2.3 of 802.11ax amendment D3.0 (Allowed settings of the Trigger frame fields and TRS Control subfield).

This function shall be invoked before transmitting and upon receiving a Trigger frame.

Returns: true if the Trigger frame is valid, false otherwise.

Definition at line 2256 of file ctrl-headers.cc.

References ns3::HeRu::DoesOverlap(), GetUlBandwidth(), m_triggerType, m_userInfoFields, and ns3::MU_RTS_TRIGGER.

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◆ operator=()

CtrlTriggerHeader & ns3::CtrlTriggerHeader::operator= ( const CtrlTriggerHeader & trigger )

Copy assignment operator.

Parameters

trigger the Trigger frame to copy

Returns: a reference to the copied object

Ensure that the type of this Trigger Frame is set to the type of the given Trigger Frame before copying the User Info fields.

Definition at line 1712 of file ctrl-headers.cc.

References m_apTxPower, m_csRequired, m_giAndLtfType, m_moreTF, m_padding, m_triggerType, m_ulBandwidth, m_ulLength, m_ulSpatialReuse, m_userInfoFields, and m_variant.

◆ Print()

void ns3::CtrlTriggerHeader::Print ( std::ostream & os ) const

overridevirtual

Parameters

os output stream This method is used by Packet::Print to print the content of a header as ascii data to a c++ output stream. Although the header is free to format its output as it wishes, it is recommended to follow a few rules to integrate with the packet pretty printer: start with flags, small field values located between a pair of parens. Values should be separated by whitespace. Follow the parens with the important fields, separated by whitespace. i.e.: (field1 val1 field2 val2 field3 val3) field4 val4 field5 val5

Implements ns3::Header.

Definition at line 1752 of file ctrl-headers.cc.

References GetTypeString(), GetUlBandwidth(), m_ulLength, and m_userInfoFields.

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◆ Serialize()

void ns3::CtrlTriggerHeader::Serialize ( Buffer::Iterator start ) const

overridevirtual

Parameters

start an iterator which points to where the header should be written.

This method is used by Packet::AddHeader to store a header into the byte buffer of a packet. The data written is expected to match bit-for-bit the representation of this header in a real network.

Implements ns3::Header.

Definition at line 1800 of file ctrl-headers.cc.

References ns3::BFRP_TRIGGER, ns3::GCR_MU_BAR_TRIGGER, ns3::HE, m_apTxPower, m_csRequired, m_giAndLtfType, m_moreTF, m_padding, m_triggerType, m_ulBandwidth, m_ulLength, m_ulSpatialReuse, m_userInfoFields, m_variant, ns3::NFRP_TRIGGER, NS_ABORT_MSG_IF, ns3::Buffer::Iterator::WriteHtolsbU64(), and ns3::Buffer::Iterator::WriteU8().

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◆ SetApTxPower()

void ns3::CtrlTriggerHeader::SetApTxPower ( int8_t power )

Set the AP TX Power subfield of the Common Info field.

Parameters

power the value (from -20 to 40) for the AP TX Power (dBm)

Definition at line 2119 of file ctrl-headers.cc.

References m_apTxPower, and NS_ABORT_MSG_IF.

Referenced by TestUlOfdmaPowerControl::SendMuBar(), and ns3::HeFrameExchangeManager::SetTargetRssi().

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◆ SetCsRequired()

void ns3::CtrlTriggerHeader::SetCsRequired ( bool cs )

Set the CS Required subfield of the Common Info field.

Parameters

cs	the value for the CS Required subfield

Definition at line 2018 of file ctrl-headers.cc.

References m_csRequired.

Referenced by ns3::HeFrameExchangeManager::PrepareMuBar(), and TestUlOfdmaPowerControl::SendMuBar().

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◆ SetGiAndLtfType()

void ns3::CtrlTriggerHeader::SetGiAndLtfType	(	Time	guardInterval,
		uint8_t	ltfType )

Set the GI And LTF Type subfield of the Common Info field.

Allowed combinations are:

1x LTF + 1.6us GI
2x LTF + 1.6us GI
4x LTF + 3.2us GI

Parameters

guardInterval	the guard interval duration
ltfType	the HE-LTF type (1, 2 or 4)

Definition at line 2059 of file ctrl-headers.cc.

References ns3::Time::GetNanoSeconds(), m_giAndLtfType, and NS_FATAL_ERROR.

Referenced by TestUlOfdmaPowerControl::SendMuBar().

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◆ SetMoreTF()

void ns3::CtrlTriggerHeader::SetMoreTF ( bool more )

Set the More TF subfield of the Common Info field.

Parameters

more	the value for the More TF subfield

Definition at line 2006 of file ctrl-headers.cc.

References m_moreTF.

Referenced by TestUlOfdmaPowerControl::SendMuBar().

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◆ SetPaddingSize()

void ns3::CtrlTriggerHeader::SetPaddingSize ( std::size_t size )

Set the size in bytes of the Padding field.

The Padding field, if present, shall be at least two octets in length.

Parameters

size	the size in bytes of the Padding field

Definition at line 2147 of file ctrl-headers.cc.

References m_padding, and NS_ABORT_MSG_IF.

Referenced by EmlsrDlTxopTest::CheckInitialControlFrame().

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◆ SetType()

void ns3::CtrlTriggerHeader::SetType ( TriggerFrameType type )

Set the Trigger frame type.

Parameters

type	the Trigger frame type

Definition at line 1886 of file ctrl-headers.cc.

References m_triggerType.

Referenced by WifiPrimaryChannelsTest::DoSetup(), ns3::GetMuBarSize(), TestUlOfdmaPowerControl::SendMuBar(), and ns3::WifiDefaultProtectionManager::TryAddMpduToMuPpdu().

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◆ SetUlBandwidth()

void ns3::CtrlTriggerHeader::SetUlBandwidth ( MHz_u bw )

Set the bandwidth of the solicited HE TB PPDU.

Parameters

bw	bandwidth (allowed values: 20, 40, 80, 160)

Definition at line 2030 of file ctrl-headers.cc.

References m_ulBandwidth, and NS_FATAL_ERROR.

Referenced by CtrlTriggerHeader(), TestUlOfdmaPowerControl::SendMuBar(), and ns3::WifiDefaultProtectionManager::TryAddMpduToMuPpdu().

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◆ SetUlLength()

void ns3::CtrlTriggerHeader::SetUlLength ( uint16_t len )

Set the UL Length subfield of the Common Info field.

Parameters

len	the value for the UL Length subfield

Definition at line 1975 of file ctrl-headers.cc.

References m_ulLength.

Referenced by CtrlTriggerHeader(), TestMultiUserScheduler::SelectTxFormat(), TestUlOfdmaPowerControl::SendMuBar(), ns3::RrMultiUserScheduler::TrySendingBasicTf(), and ns3::RrMultiUserScheduler::TrySendingBsrpTf().

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◆ SetUlSpatialReuse()

void ns3::CtrlTriggerHeader::SetUlSpatialReuse ( uint16_t sr )

Set the UL Spatial Reuse subfield of the Common Info field.

Parameters

sr	the value for the UL Spatial Reuse subfield

Definition at line 2135 of file ctrl-headers.cc.

References m_ulSpatialReuse.

Referenced by TestUlOfdmaPowerControl::SendMuBar().

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◆ SetVariant()

void ns3::CtrlTriggerHeader::SetVariant ( TriggerFrameVariant variant )

Set the Common Info field variant.

For the moment, all User Info fields are of the same variant type, hence we forbid changing the Common Info field variant type after adding User Info fields.

Parameters

variant the Common Info field variant

Definition at line 1764 of file ctrl-headers.cc.

References m_userInfoFields, m_variant, and NS_ABORT_MSG_IF.

Member Data Documentation

◆ m_apTxPower

uint8_t ns3::CtrlTriggerHeader::m_apTxPower

private

Tx Power used by AP to transmit the Trigger Frame.

Definition at line 1327 of file ctrl-headers.h.

Referenced by Deserialize(), GetApTxPower(), operator=(), Serialize(), and SetApTxPower().

◆ m_csRequired

bool ns3::CtrlTriggerHeader::m_csRequired

private

Carrier Sense required.

Definition at line 1324 of file ctrl-headers.h.

Referenced by Deserialize(), GetCsRequired(), operator=(), Serialize(), and SetCsRequired().

◆ m_giAndLtfType

uint8_t ns3::CtrlTriggerHeader::m_giAndLtfType

private

GI And LTF Type subfield.

Definition at line 1326 of file ctrl-headers.h.

Referenced by CtrlTriggerHeader(), Deserialize(), GetGuardInterval(), GetLtfType(), operator=(), Serialize(), and SetGiAndLtfType().

◆ m_moreTF

bool ns3::CtrlTriggerHeader::m_moreTF

private

True if a subsequent Trigger frame follows.

Definition at line 1323 of file ctrl-headers.h.

Referenced by Deserialize(), GetMoreTF(), operator=(), Serialize(), and SetMoreTF().

◆ m_padding

std::size_t ns3::CtrlTriggerHeader::m_padding

private

the size in bytes of the Padding field

Definition at line 1329 of file ctrl-headers.h.

Referenced by Deserialize(), GetPaddingSize(), GetSerializedSize(), operator=(), Serialize(), and SetPaddingSize().

◆ m_triggerType

TriggerFrameType ns3::CtrlTriggerHeader::m_triggerType

private

Trigger type.

Definition at line 1321 of file ctrl-headers.h.

Referenced by CtrlTriggerHeader(), AddUserInfoField(), AddUserInfoField(), Deserialize(), GetHeTbTxVector(), GetSerializedSize(), GetType(), IsBasic(), IsBfrp(), IsBqrp(), IsBsrp(), IsGcrMuBar(), IsMuBar(), IsMuRts(), IsNfrp(), IsValid(), operator=(), Serialize(), and SetType().

◆ m_ulBandwidth

uint8_t ns3::CtrlTriggerHeader::m_ulBandwidth

private

UL BW subfield.

Definition at line 1325 of file ctrl-headers.h.

Referenced by Deserialize(), GetUlBandwidth(), operator=(), Serialize(), and SetUlBandwidth().

◆ m_ulLength

uint16_t ns3::CtrlTriggerHeader::m_ulLength

private

Value for the L-SIG Length field.

Definition at line 1322 of file ctrl-headers.h.

Referenced by Deserialize(), GetUlLength(), operator=(), Print(), Serialize(), and SetUlLength().

◆ m_ulSpatialReuse

uint16_t ns3::CtrlTriggerHeader::m_ulSpatialReuse

private

Value for the Spatial Reuse field in HE-SIG-A.

Definition at line 1328 of file ctrl-headers.h.

Referenced by Deserialize(), GetUlSpatialReuse(), operator=(), Serialize(), and SetUlSpatialReuse().

◆ m_userInfoFields

std::list<CtrlTriggerUserInfoField> ns3::CtrlTriggerHeader::m_userInfoFields

private

List of User Info fields.

list of User Info fields

Definition at line 1334 of file ctrl-headers.h.

Referenced by AddUserInfoField(), AddUserInfoField(), begin(), begin(), Deserialize(), end(), end(), FindUserInfoWithAid(), GetCommonInfoField(), GetNUserInfoFields(), GetSerializedSize(), IsValid(), operator=(), Print(), Serialize(), and SetVariant().

◆ m_variant

TriggerFrameVariant ns3::CtrlTriggerHeader::m_variant

private

Common Info field.

Common Info field variant

Definition at line 1320 of file ctrl-headers.h.

Referenced by CtrlTriggerHeader(), AddUserInfoField(), Deserialize(), GetVariant(), operator=(), Serialize(), and SetVariant().

The documentation for this class was generated from the following files:

src/wifi/model/ctrl-headers.h
src/wifi/model/ctrl-headers.cc

Public Types

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ ConstIterator

◆ Iterator

Constructor & Destructor Documentation

◆ CtrlTriggerHeader() [1/2]

◆ CtrlTriggerHeader() [2/2]

◆ ~CtrlTriggerHeader()

Member Function Documentation

◆ AddUserInfoField() [1/2]

◆ AddUserInfoField() [2/2]

◆ begin() [1/2]

◆ begin() [2/2]

◆ Deserialize()

◆ end() [1/2]

◆ end() [2/2]

◆ FindUserInfoWithAid() [1/2]

◆ FindUserInfoWithAid() [2/2]

◆ FindUserInfoWithRaRuAssociated() [1/2]

◆ FindUserInfoWithRaRuAssociated() [2/2]

◆ FindUserInfoWithRaRuUnassociated() [1/2]

◆ FindUserInfoWithRaRuUnassociated() [2/2]

◆ GetApTxPower()

◆ GetCommonInfoField()

◆ GetCsRequired()

◆ GetGuardInterval()

◆ GetHeTbTxVector()

◆ GetInstanceTypeId()

◆ GetLtfType()

◆ GetMoreTF()

◆ GetNUserInfoFields()

◆ GetPaddingSize()

◆ GetSerializedSize()

◆ GetType()

◆ GetTypeId()

◆ GetTypeString() [1/2]

◆ GetTypeString() [2/2]

◆ GetUlBandwidth()

◆ GetUlLength()

◆ GetUlSpatialReuse()

◆ GetVariant()

◆ IsBasic()

◆ IsBfrp()

◆ IsBqrp()

◆ IsBsrp()

◆ IsGcrMuBar()

◆ IsMuBar()

◆ IsMuRts()

◆ IsNfrp()

◆ IsValid()

◆ operator=()

◆ Print()

◆ Serialize()

◆ SetApTxPower()

◆ SetCsRequired()

◆ SetGiAndLtfType()

◆ SetMoreTF()

◆ SetPaddingSize()

◆ SetType()

◆ SetUlBandwidth()

◆ SetUlLength()

◆ SetUlSpatialReuse()

◆ SetVariant()

Member Data Documentation

◆ m_apTxPower

◆ m_csRequired

◆ m_giAndLtfType

◆ m_moreTF

◆ m_padding

◆ m_triggerType

◆ m_ulBandwidth

◆ m_ulLength

◆ m_ulSpatialReuse

◆ m_userInfoFields

◆ m_variant