Manages all block ack agreements for an originator station. More...

#include "block-ack-manager.h"

Inheritance diagram for ns3::BlockAckManager:

Collaboration diagram for ns3::BlockAckManager:

Public Types
typedef void(*	AgreementStateTracedCallback) (Time now, Mac48Address recipient, uint8_t tid, OriginatorBlockAckAgreement::State state)
	TracedCallback signature for state changes. More...

typedef Callback< void, const WifiMacHeader & >	TxFailed
	typedef for a callback to invoke when a packet transmission was failed. More...

typedef Callback< void, const WifiMacHeader & >	TxOk
	typedef for a callback to invoke when a packet transmission was completed successfully. More...

Public Member Functions
	BlockAckManager ()

	~BlockAckManager ()

void	CreateAgreement (const MgtAddBaRequestHeader *reqHdr, Mac48Address recipient)

void	DestroyAgreement (Mac48Address recipient, uint8_t tid)

void	DiscardOutstandingMpdus (Mac48Address recipient, uint8_t tid)

bool	ExistsAgreement (Mac48Address recipient, uint8_t tid) const

bool	ExistsAgreementInState (Mac48Address recipient, uint8_t tid, OriginatorBlockAckAgreement::State state) const

uint32_t	GetNBufferedPackets (Mac48Address recipient, uint8_t tid) const

uint16_t	GetOriginatorStartingSequence (Mac48Address recipient, uint8_t tid) const
	This function returns the starting sequence number of the transmit window. More...

uint16_t	GetRecipientBufferSize (Mac48Address recipient, uint8_t tid) const
	This function returns the buffer size negociated with the recipient. More...

Ptr< WifiMacQueue >	GetRetransmitQueue (void)

bool	HasBar (Bar &bar, bool remove=true)
	Returns true if the BAR is scheduled. More...

bool	HasPackets (void) const
	Returns true if there are packets that need of retransmission or at least a BAR is scheduled. More...

bool	NeedBarRetransmission (uint8_t tid, uint16_t seqNumber, Mac48Address recipient)
	This function returns true if the lifetime of the packets a BAR refers to didn't expire yet otherwise it returns false. More...

void	NotifyAgreementEstablished (Mac48Address recipient, uint8_t tid, uint16_t startingSeq)

void	NotifyAgreementNoReply (Mac48Address recipient, uint8_t tid)

void	NotifyAgreementRejected (Mac48Address recipient, uint8_t tid)

void	NotifyAgreementReset (Mac48Address recipient, uint8_t tid)

void	NotifyDiscardedMpdu (Ptr< const WifiMacQueueItem > mpdu)

void	NotifyGotAck (Ptr< const WifiMacQueueItem > mpdu)
	Invoked upon receipt of an ack frame after the transmission of a QoS data frame sent under an established Block Ack agreement. More...

void	NotifyGotBlockAck (const CtrlBAckResponseHeader *blockAck, Mac48Address recipient, double rxSnr, WifiMode txMode, double dataSnr)

void	NotifyMissedAck (Ptr< WifiMacQueueItem > mpdu)
	Invoked upon missed reception of an ack frame after the transmission of a QoS data frame sent under an established Block Ack agreement. More...

void	NotifyMissedBlockAck (Mac48Address recipient, uint8_t tid)

void	NotifyMpduTransmission (Mac48Address recipient, uint8_t tid, uint16_t nextSeqNumber, WifiMacHeader::QosAckPolicy policy)

void	ScheduleBlockAckReq (Mac48Address recipient, uint8_t tid)

void	SetBlockAckInactivityCallback (Callback< void, Mac48Address, uint8_t, bool > callback)
	Set block ack inactivity callback. More...

void	SetBlockAckThreshold (uint8_t nPackets)

void	SetBlockAckType (BlockAckType bAckType)

void	SetBlockDestinationCallback (Callback< void, Mac48Address, uint8_t > callback)
	Set block destination callback. More...

void	SetQueue (const Ptr< WifiMacQueue > queue)

void	SetTxFailedCallback (TxFailed callback)

void	SetTxMiddle (const Ptr< MacTxMiddle > txMiddle)
	Set the MacTxMiddle. More...

void	SetTxOkCallback (TxOk callback)

void	SetUnblockDestinationCallback (Callback< void, Mac48Address, uint8_t > callback)
	Set unblock destination callback. More...

void	SetWifiRemoteStationManager (const Ptr< WifiRemoteStationManager > manager)
	Set up WifiRemoteStationManager associated with this BlockAckManager. More...

void	StorePacket (Ptr< WifiMacQueueItem > mpdu)

bool	SwitchToBlockAckIfNeeded (Mac48Address recipient, uint8_t tid, uint16_t startingSeq)

void	UpdateAgreement (const MgtAddBaResponseHeader *respHdr, Mac48Address recipient)

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor. More...

virtual	~Object ()
	Destructor. More...

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together. More...

void	Dispose (void)
	Dispose of this Object. More...

AggregateIterator	GetAggregateIterator (void) const
	Get an iterator to the Objects aggregated to this one. More...

virtual TypeId	GetInstanceTypeId (void) const
	Get the most derived TypeId for this Object. More...

template<typename T >
Ptr< T >	GetObject (void) const
	Get a pointer to the requested aggregated Object. More...

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId. More...

void	Initialize (void)
	Invoke DoInitialize on all Objects aggregated to this one. More...

bool	IsInitialized (void) const
	Check if the object has been initialized. More...

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor. More...

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor. More...

uint32_t	GetReferenceCount (void) const
	Get the reference count of the object. More...

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator. More...

void	Ref (void) const
	Increment the reference count. More...

void	Unref (void) const
	Decrement the reference count. More...

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

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

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

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

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

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

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

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

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

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

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId (void)
	Register this type. More...

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

Private Types
typedef std::map< std::pair< Mac48Address, uint8_t >, std::pair< OriginatorBlockAckAgreement, PacketQueue > >	Agreements
	typedef for a map between MAC address and block ACK agreement. More...

typedef std::map< std::pair< Mac48Address, uint8_t >, std::pair< OriginatorBlockAckAgreement, PacketQueue > >::const_iterator	AgreementsCI
	typedef for a const iterator for Agreements. More...

typedef std::map< std::pair< Mac48Address, uint8_t >, std::pair< OriginatorBlockAckAgreement, PacketQueue > >::iterator	AgreementsI
	typedef for an iterator for Agreements. More...

typedef std::list< Ptr< WifiMacQueueItem > >	PacketQueue
	typedef for a list of WifiMacQueueItem. More...

typedef std::list< Ptr< WifiMacQueueItem > >::const_iterator	PacketQueueCI
	typedef for a const iterator for PacketQueue. More...

typedef std::list< Ptr< WifiMacQueueItem > >::iterator	PacketQueueI
	typedef for an iterator for PacketQueue. More...

Private Member Functions
	BlockAckManager (const BlockAckManager &)
	type conversion operator More...

void	InactivityTimeout (Mac48Address recipient, uint8_t tid)
	Inactivity timeout function. More...

void	InsertInRetryQueue (Ptr< WifiMacQueueItem > mpdu)

BlockAckManager &	operator= (const BlockAckManager &block)
	assignment operator More...

void	RemoveFromRetryQueue (Mac48Address address, uint8_t tid, uint16_t seq)
	Remove an item from retransmission queue. More...

void	RemoveFromRetryQueue (Mac48Address address, uint8_t tid, uint16_t startSeq, uint16_t endSeq)
	Remove a range of items from retransmission queue. More...

void	SetStartingSequence (Mac48Address recipient, uint8_t tid, uint16_t startingSeq)
	Set the starting sequence number for the agreement with recipient equal to recipient and TID equal to tid to the given startingSeq. More...

Private Attributes
Mac48Address	m_address
	address More...

Agreements	m_agreements
	This data structure contains, for each block ack agreement (recipient, tid), a set of packets for which an ack by block ack is requested. More...

TracedCallback< Time, Mac48Address, uint8_t, OriginatorBlockAckAgreement::State >	m_agreementState
	The trace source fired when a state transition occured. More...

std::list< Bar >	m_bars
	list of BARs More...

Callback< void, Mac48Address, uint8_t, bool >	m_blockAckInactivityTimeout
	block ack inactivity timeout callback More...

uint8_t	m_blockAckThreshold
	block ack threshold More...

BlockAckType	m_blockAckType
	block ack type More...

Callback< void, Mac48Address, uint8_t >	m_blockPackets
	block packets callback More...

Ptr< WifiMacQueue >	m_queue
	queue More...

Ptr< WifiMacQueue >	m_retryPackets
	This list contains all iterators to stored packets that need to be retransmitted. More...

Ptr< WifiRemoteStationManager >	m_stationManager
	the station manager More...

TxFailed	m_txFailedCallback
	transmit failed callback More...

Ptr< MacTxMiddle >	m_txMiddle
	the MacTxMiddle More...

TxOk	m_txOkCallback
	transmit ok callback More...

Callback< void, Mac48Address, uint8_t >	m_unblockPackets
	unblock packets callback More...

Additional Inherited Members
Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object. More...

virtual void	DoDispose (void)
	Destructor implementation. More...

virtual void	DoInitialize (void)
	Initialize() implementation. More...

virtual void	NotifyNewAggregate (void)
	Notify all Objects aggregated to this one of a new Object being aggregated. More...

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

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

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

Detailed Description

Manages all block ack agreements for an originator station.

Config Paths

ns3::BlockAckManager is accessible through the following paths with Config::Set and Config::Connect:

"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Mac/$ns3::RegularWifiMac/Txop/$ns3::QosTxop/BlockAckManager"
"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Mac/$ns3::RegularWifiMac/VO_Txop/BlockAckManager"
"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Mac/$ns3::RegularWifiMac/VI_Txop/BlockAckManager"
"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Mac/$ns3::RegularWifiMac/BE_Txop/BlockAckManager"
"/NodeList/[i]/DeviceList/[i]/$ns3::WifiNetDevice/Mac/$ns3::RegularWifiMac/BK_Txop/BlockAckManager"

No Attributes are defined for this type.

TraceSources

AgreementState: The state of the ADDBA handshake
Callback signature: ns3::BlockAckManager::AgreementStateTracedCallback

Size of this type is 200 bytes (on a 64-bit architecture).

Definition at line 75 of file block-ack-manager.h.

Member Typedef Documentation

◆ Agreements

typedef std::map<std::pair<Mac48Address, uint8_t>, std::pair<OriginatorBlockAckAgreement, PacketQueue> > ns3::BlockAckManager::Agreements

private

typedef for a map between MAC address and block ACK agreement.

Definition at line 460 of file block-ack-manager.h.

◆ AgreementsCI

typedef std::map<std::pair<Mac48Address, uint8_t>, std::pair<OriginatorBlockAckAgreement, PacketQueue> >::const_iterator ns3::BlockAckManager::AgreementsCI

private

typedef for a const iterator for Agreements.

Definition at line 470 of file block-ack-manager.h.

◆ AgreementsI

typedef std::map<std::pair<Mac48Address, uint8_t>, std::pair<OriginatorBlockAckAgreement, PacketQueue> >::iterator ns3::BlockAckManager::AgreementsI

private

typedef for an iterator for Agreements.

Definition at line 465 of file block-ack-manager.h.

◆ AgreementStateTracedCallback

typedef void(* ns3::BlockAckManager::AgreementStateTracedCallback) (Time now, Mac48Address recipient, uint8_t tid, OriginatorBlockAckAgreement::State state)

TracedCallback signature for state changes.

Parameters

[in]	now	Time when the `state` changed.
[in]	recipient	MAC address of the recipient.
[in]	tid	the TID.
[in]	state	The state.

Definition at line 398 of file block-ack-manager.h.

◆ PacketQueue

typedef std::list<Ptr<WifiMacQueueItem> > ns3::BlockAckManager::PacketQueue

private

typedef for a list of WifiMacQueueItem.

Definition at line 447 of file block-ack-manager.h.

◆ PacketQueueCI

typedef std::list<Ptr<WifiMacQueueItem> >::const_iterator ns3::BlockAckManager::PacketQueueCI

private

typedef for a const iterator for PacketQueue.

Definition at line 455 of file block-ack-manager.h.

◆ PacketQueueI

typedef std::list<Ptr<WifiMacQueueItem> >::iterator ns3::BlockAckManager::PacketQueueI

private

typedef for an iterator for PacketQueue.

Definition at line 451 of file block-ack-manager.h.

◆ TxFailed

typedef Callback<void, const WifiMacHeader&> ns3::BlockAckManager::TxFailed

typedef for a callback to invoke when a packet transmission was failed.

Definition at line 378 of file block-ack-manager.h.

◆ TxOk

typedef Callback<void, const WifiMacHeader&> ns3::BlockAckManager::TxOk

typedef for a callback to invoke when a packet transmission was completed successfully.

Definition at line 373 of file block-ack-manager.h.

Constructor & Destructor Documentation

◆ BlockAckManager() [1/2]

ns3::BlockAckManager::BlockAckManager ( const BlockAckManager & )

private

type conversion operator

◆ BlockAckManager() [2/2]

ns3::BlockAckManager::BlockAckManager ( )

Definition at line 66 of file block-ack-manager.cc.

References m_retryPackets, ns3::MakeCallback(), NotifyDiscardedMpdu(), and NS_LOG_FUNCTION.

Here is the call graph for this function:

◆ ~BlockAckManager()

ns3::BlockAckManager::~BlockAckManager ( )

Definition at line 73 of file block-ack-manager.cc.

References m_agreements, m_queue, m_retryPackets, and NS_LOG_FUNCTION.

Member Function Documentation

◆ CreateAgreement()

void ns3::BlockAckManager::CreateAgreement	(	const MgtAddBaRequestHeader *	reqHdr,
		Mac48Address	recipient
	)

Parameters

reqHdr	Relative Add block ack request (action frame).
recipient	Address of peer station involved in block ack mechanism.

Creates a new block ack agreement in pending state. When a ADDBA response with a successful status code is received, the relative agreement becomes established.

Definition at line 116 of file block-ack-manager.cc.

References ExistsAgreement(), ExistsAgreementInState(), ns3::MgtAddBaRequestHeader::GetBufferSize(), ns3::WifiRemoteStationManager::GetHtSupported(), ns3::MgtAddBaRequestHeader::GetStartingSequence(), ns3::MgtAddBaRequestHeader::GetTid(), ns3::MgtAddBaRequestHeader::GetTimeout(), ns3::MgtAddBaRequestHeader::IsAmsduSupported(), ns3::MgtAddBaRequestHeader::IsImmediateBlockAck(), m_agreements, m_agreementState, m_blockPackets, m_stationManager, ns3::Simulator::Now(), NS_ASSERT, NS_LOG_FUNCTION, ns3::OriginatorBlockAckAgreement::PENDING, ns3::OriginatorBlockAckAgreement::RESET, ns3::SEQNO_SPACE_SIZE, and ns3::BlockAckAgreement::SetStartingSequence().

Here is the call graph for this function:

◆ DestroyAgreement()

void ns3::BlockAckManager::DestroyAgreement	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Tid Traffic id of transmitted packet.

Invoked when a recipient reject a block ack agreement or when a Delba frame is Received/Transmitted.

Definition at line 153 of file block-ack-manager.cc.

References m_agreements, m_bars, m_retryPackets, and NS_LOG_FUNCTION.

◆ DiscardOutstandingMpdus()

void ns3::BlockAckManager::DiscardOutstandingMpdus	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	outstanding frames' receiver.
tid	Traffic ID.

Discard all the outstanding MPDUs destined to the given receiver and belonging to the given TID. Typically, this function is called by ns3::QosTxop object when it gives up retransmitting either a Block Ack Request or the data frames.

Definition at line 529 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), m_agreements, and NS_LOG_FUNCTION.

Here is the call graph for this function:

◆ ExistsAgreement()

bool ns3::BlockAckManager::ExistsAgreement	(	Mac48Address	recipient,
		uint8_t	tid
	)		const

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID.

Returns: true if a block ack agreement exists, false otherwise

Checks if a block ack agreement exists with station addressed by recipient for tid tid.

Definition at line 82 of file block-ack-manager.cc.

References m_agreements, and NS_LOG_FUNCTION.

Referenced by CreateAgreement(), and SwitchToBlockAckIfNeeded().

Here is the caller graph for this function:

◆ ExistsAgreementInState()

bool ns3::BlockAckManager::ExistsAgreementInState	(	Mac48Address	recipient,
		uint8_t	tid,
		OriginatorBlockAckAgreement::State	state
	)		const

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID.
state	The state for block ack agreement

Returns: true if a block ack agreement exists, false otherwise

Checks if a block ack agreement with a state equals to state exists with station addressed by recipient for tid tid.

Definition at line 89 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, m_agreements, ns3::OriginatorBlockAckAgreement::NO_REPLY, NS_FATAL_ERROR, ns3::OriginatorBlockAckAgreement::PENDING, ns3::OriginatorBlockAckAgreement::REJECTED, and ns3::OriginatorBlockAckAgreement::RESET.

Referenced by CreateAgreement(), DiscardOutstandingMpdus(), NotifyDiscardedMpdu(), NotifyGotAck(), NotifyGotBlockAck(), NotifyMissedAck(), NotifyMissedBlockAck(), and SwitchToBlockAckIfNeeded().

Here is the caller graph for this function:

◆ GetNBufferedPackets()

uint32_t ns3::BlockAckManager::GetNBufferedPackets	(	Mac48Address	recipient,
		uint8_t	tid
	)		const

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID.

Returns: the number of packets buffered for a specified agreement

Returns the number of packets buffered for a specified agreement. This methods doesn't return the number of buffered MPDUs but the number of buffered MSDUs.

Definition at line 300 of file block-ack-manager.cc.

References m_agreements, and NS_LOG_FUNCTION.

Referenced by SwitchToBlockAckIfNeeded().

Here is the caller graph for this function:

◆ GetOriginatorStartingSequence()

uint16_t ns3::BlockAckManager::GetOriginatorStartingSequence	(	Mac48Address	recipient,
		uint8_t	tid
	)		const

This function returns the starting sequence number of the transmit window.

Parameters

tid	Traffic ID
recipient	MAC address

Returns: the starting sequence number of the transmit window (WinStartO)

Definition at line 917 of file block-ack-manager.cc.

References m_agreements.

◆ GetRecipientBufferSize()

uint16_t ns3::BlockAckManager::GetRecipientBufferSize	(	Mac48Address	recipient,
		uint8_t	tid
	)		const

This function returns the buffer size negociated with the recipient.

Parameters

tid	Traffic ID
recipient	MAC address

Returns: the buffer size negociated with the recipient

Definition at line 905 of file block-ack-manager.cc.

References m_agreements.

◆ GetRetransmitQueue()

Ptr< WifiMacQueue > ns3::BlockAckManager::GetRetransmitQueue ( void )

Returns: the retransmit queue.

Return the retransmit queue.

Definition at line 227 of file block-ack-manager.cc.

References m_retryPackets.

◆ GetTypeId()

TypeId ns3::BlockAckManager::GetTypeId ( void )

static

Get the type ID.

Returns: the object TypeId

Definition at line 52 of file block-ack-manager.cc.

References m_agreementState, ns3::MakeTraceSourceAccessor(), and ns3::TypeId::SetParent().

Here is the call graph for this function:

◆ HasBar()

bool ns3::BlockAckManager::HasBar	(	Bar &	bar,
		bool	remove = `true`
	)

Returns true if the BAR is scheduled.

Returns false otherwise.

Parameters

bar
remove	true if the BAR has to be removed from the queue

Returns: true if a BAR is scheduled, false otherwise

Definition at line 278 of file block-ack-manager.cc.

References m_bars.

◆ HasPackets()

bool ns3::BlockAckManager::HasPackets ( void ) const

Returns true if there are packets that need of retransmission or at least a BAR is scheduled.

Returns false otherwise.

Returns: true if there are packets that need of retransmission or at least a BAR is scheduled, false otherwise

Definition at line 293 of file block-ack-manager.cc.

References m_bars, m_retryPackets, and NS_LOG_FUNCTION.

◆ InactivityTimeout()

void ns3::BlockAckManager::InactivityTimeout	(	Mac48Address	recipient,
		uint8_t	tid
	)

private

Inactivity timeout function.

Parameters

recipient	the recipient MAC address
tid	Traffic ID

Definition at line 613 of file block-ack-manager.cc.

References m_blockAckInactivityTimeout, and NS_LOG_FUNCTION.

Referenced by NotifyGotBlockAck(), and UpdateAgreement().

Here is the caller graph for this function:

◆ InsertInRetryQueue()

void ns3::BlockAckManager::InsertInRetryQueue ( Ptr< WifiMacQueueItem > mpdu )

private

Parameters

mpdu	the packet to insert in the retransmission queue

Insert mpdu in retransmission queue. This method ensures packets are retransmitted in the correct order.

Definition at line 861 of file block-ack-manager.cc.

References m_agreements, m_retryPackets, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_INFO, ns3::SEQNO_SPACE_HALF_SIZE, and ns3::SEQNO_SPACE_SIZE.

Referenced by NotifyGotBlockAck(), NotifyMissedAck(), and NotifyMissedBlockAck().

Here is the caller graph for this function:

◆ NeedBarRetransmission()

bool ns3::BlockAckManager::NeedBarRetransmission	(	uint8_t	tid,
		uint16_t	seqNumber,
		Mac48Address	recipient
	)

This function returns true if the lifetime of the packets a BAR refers to didn't expire yet otherwise it returns false.

If it return false then the BAR will be discarded (i.e. will not be re-transmitted)

Parameters

tid	Traffic ID
seqNumber	sequence number
recipient	MAC address

Returns: true if BAR retransmission needed

Definition at line 710 of file block-ack-manager.cc.

References m_agreements, NS_ASSERT, and ns3::QosUtilsIsOldPacket().

Here is the call graph for this function:

◆ NotifyAgreementEstablished()

void ns3::BlockAckManager::NotifyAgreementEstablished	(	Mac48Address	recipient,
		uint8_t	tid,
		uint16_t	startingSeq
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID of transmitted packet.
startingSeq	starting sequence field

Puts corresponding agreement in established state and updates number of packets and starting sequence field. Invoked typically after a block ack refresh.

Definition at line 620 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, m_agreements, m_agreementState, ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

Referenced by SwitchToBlockAckIfNeeded().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ NotifyAgreementNoReply()

void ns3::BlockAckManager::NotifyAgreementNoReply	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID of transmitted packet.

Marks an agreement after not receiving response to ADDBA request. During this state any packets in queue will be transmitted using normal MPDU. This also unblock recipient adress.

Definition at line 647 of file block-ack-manager.cc.

References m_agreements, m_agreementState, m_unblockPackets, ns3::OriginatorBlockAckAgreement::NO_REPLY, ns3::Simulator::Now(), NS_ASSERT, and NS_LOG_FUNCTION.

Here is the call graph for this function:

◆ NotifyAgreementRejected()

void ns3::BlockAckManager::NotifyAgreementRejected	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID of transmitted packet.

Marks an agreement as rejected. This happens if recipient station reject block ack setup by an ADDBA Response frame with a failure status code. For now we assume that every QoS station accepts a block ack setup.

Definition at line 634 of file block-ack-manager.cc.

References m_agreements, m_agreementState, ns3::Simulator::Now(), NS_ASSERT, NS_LOG_FUNCTION, and ns3::OriginatorBlockAckAgreement::REJECTED.

Here is the call graph for this function:

◆ NotifyAgreementReset()

void ns3::BlockAckManager::NotifyAgreementReset	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID of transmitted packet.

Set BA agreement to a transitory state to reset it after not receiving response to ADDBA request.

Definition at line 661 of file block-ack-manager.cc.

References m_agreements, m_agreementState, ns3::Simulator::Now(), NS_ASSERT, NS_LOG_FUNCTION, and ns3::OriginatorBlockAckAgreement::RESET.

Here is the call graph for this function:

◆ NotifyDiscardedMpdu()

void ns3::BlockAckManager::NotifyDiscardedMpdu ( Ptr< const WifiMacQueueItem > mpdu )

Parameters

mpdu	the discarded frame

Notify the block ack manager that an MPDU has been discarded, e.g., because the MSDU lifetime expired. If there is an established block ack agreement, make the transmit window advance beyond the discarded frame. This also involves (i) the removal of frames that consequently become old from the retransmit queue and from the queue of the block ack agreement, and (ii) the scheduling of a block ack request.

Definition at line 547 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), m_agreements, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::QosUtilsIsOldPacket(), ScheduleBlockAckReq(), ns3::SEQNO_SPACE_SIZE, and SetStartingSequence().

Referenced by BlockAckManager().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ NotifyGotAck()

void ns3::BlockAckManager::NotifyGotAck ( Ptr< const WifiMacQueueItem > mpdu )

Invoked upon receipt of an ack frame after the transmission of a QoS data frame sent under an established Block Ack agreement.

Remove the acknowledged frame from the outstanding packets and update the starting sequence number of the transmit window, if needed.

Parameters

mpdu	The acknowledged MPDU.

Definition at line 338 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), m_agreements, NS_ASSERT, NS_LOG_FUNCTION, and ns3::SEQNO_SPACE_SIZE.

Here is the call graph for this function:

◆ NotifyGotBlockAck()

void ns3::BlockAckManager::NotifyGotBlockAck	(	const CtrlBAckResponseHeader *	blockAck,
		Mac48Address	recipient,
		double	rxSnr,
		WifiMode	txMode,
		double	dataSnr
	)

Parameters

blockAck	The received block ack frame.
recipient	Sender of block ack frame.
rxSnr	received SNR of the block ack frame itself
txMode	mode of block ack frame.
dataSnr	data SNR reported by remote station

Invoked upon receipt of a block ack frame. Typically, this function, is called by ns3::QosTxop object. Performs a check on which MPDUs, previously sent with ack policy set to Block Ack, were correctly received by the recipient. An acknowledged MPDU is removed from the buffer, retransmitted otherwise.

Definition at line 405 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), ns3::CtrlBAckResponseHeader::GetTidInfo(), ns3::WifiMode::GetUniqueName(), InactivityTimeout(), InsertInRetryQueue(), ns3::CtrlBAckResponseHeader::IsBasic(), ns3::CtrlBAckResponseHeader::IsCompressed(), ns3::CtrlBAckResponseHeader::IsExtendedCompressed(), ns3::CtrlBAckResponseHeader::IsFragmentReceived(), ns3::CtrlBAckResponseHeader::IsMultiTid(), ns3::Callback< R, T1, T2, T3, T4, T5, T6, T7, T8, T9 >::IsNull(), ns3::CtrlBAckResponseHeader::IsPacketReceived(), m_agreements, m_stationManager, m_txFailedCallback, m_txOkCallback, ns3::MicroSeconds(), NS_FATAL_ERROR, NS_LOG_FUNCTION, ns3::QosUtilsIsOldPacket(), ns3::WifiRemoteStationManager::ReportAmpduTxStatus(), ns3::Simulator::Schedule(), ns3::SEQNO_SPACE_SIZE, SetStartingSequence(), and timeout.

Here is the call graph for this function:

◆ NotifyMissedAck()

void ns3::BlockAckManager::NotifyMissedAck ( Ptr< WifiMacQueueItem > mpdu )

Invoked upon missed reception of an ack frame after the transmission of a QoS data frame sent under an established Block Ack agreement.

Remove the acknowledged frame from the outstanding packets and insert it in the retransmission queue.

Parameters

mpdu	The unacknowledged MPDU.

Definition at line 373 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), InsertInRetryQueue(), m_agreements, NS_ASSERT, and NS_LOG_FUNCTION.

Here is the call graph for this function:

◆ NotifyMissedBlockAck()

void ns3::BlockAckManager::NotifyMissedBlockAck	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	Sender of the expected block ack frame.
tid	Traffic ID.

Invoked upon missed reception of a block ack frame. Typically, this function, is called by ns3::QosTxop object. Performs a check on which MPDUs, previously sent with ack policy set to Block Ack, should be placed in the retransmission queue.

Definition at line 511 of file block-ack-manager.cc.

References ns3::OriginatorBlockAckAgreement::ESTABLISHED, ExistsAgreementInState(), InsertInRetryQueue(), m_agreements, and NS_LOG_FUNCTION.

Here is the call graph for this function:

◆ NotifyMpduTransmission()

void ns3::BlockAckManager::NotifyMpduTransmission	(	Mac48Address	recipient,
		uint8_t	tid,
		uint16_t	nextSeqNumber,
		WifiMacHeader::QosAckPolicy	policy
	)

Parameters

recipient	Address of peer station involved in block ack mechanism.
tid	Traffic ID of transmitted packet.
nextSeqNumber	Sequence number of the next packet that would be trasmitted by QosTxop.
policy	ack policy of the transmitted packet.

This method is typically invoked by ns3::QosTxop object every time that a MPDU with ack policy subfield in Qos Control field set to Block Ack is transmitted. The nextSeqNumber parameter is used to block transmission of packets that are out of bitmap.

Definition at line 674 of file block-ack-manager.cc.

References ns3::WifiMacHeader::BLOCK_ACK, m_agreements, NS_ASSERT, NS_LOG_FUNCTION, and ScheduleBlockAckReq().

Here is the call graph for this function:

◆ operator=()

BlockAckManager& ns3::BlockAckManager::operator= ( const BlockAckManager & block )

private

assignment operator

Parameters

block BlockAckManager to assign

Returns: the assigned BlockAckManager

◆ RemoveFromRetryQueue() [1/2]

void ns3::BlockAckManager::RemoveFromRetryQueue	(	Mac48Address	address,
		uint8_t	tid,
		uint16_t	seq
	)

private

Remove an item from retransmission queue.

This method should be called when packets are acknowledged.

Parameters

address	recipient mac address of the packet to be removed
tid	Traffic ID of the packet to be removed
seq	sequence number of the packet to be removed

Definition at line 740 of file block-ack-manager.cc.

References first::address.

Referenced by SetStartingSequence().

Here is the caller graph for this function:

◆ RemoveFromRetryQueue() [2/2]

void ns3::BlockAckManager::RemoveFromRetryQueue	(	Mac48Address	address,
		uint8_t	tid,
		uint16_t	startSeq,
		uint16_t	endSeq
	)

private

Remove a range of items from retransmission queue.

This method should be called when packets are acknowledged.

Parameters

address	recipient mac address of the packet to be removed
tid	Traffic ID of the packet to be removed
startSeq	sequence number of the first packet to be removed
endSeq	sequence number of the last packet to be removed

Definition at line 746 of file block-ack-manager.cc.

References first::address, m_agreements, m_retryPackets, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_FUNCTION, and ns3::SEQNO_SPACE_SIZE.

◆ ScheduleBlockAckReq()

void ns3::BlockAckManager::ScheduleBlockAckReq	(	Mac48Address	recipient,
		uint8_t	tid
	)

Parameters

recipient	the recipient
tid	the TID

Enqueue a block ack request for the established BA agreement (recipient,tid) into the queue storing the next BAR frames to transmit. If a BAR for the given agreement is already present in the queue, it is replaced by the new one.

Definition at line 582 of file block-ack-manager.cc.

References ns3::Packet::AddHeader(), m_agreements, m_bars, m_blockAckType, NS_ASSERT, NS_LOG_FUNCTION, ns3::CtrlBAckRequestHeader::SetStartingSequence(), ns3::CtrlBAckRequestHeader::SetTidInfo(), and ns3::CtrlBAckRequestHeader::SetType().

Referenced by NotifyDiscardedMpdu(), and NotifyMpduTransmission().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ SetBlockAckInactivityCallback()

void ns3::BlockAckManager::SetBlockAckInactivityCallback ( Callback< void, Mac48Address, uint8_t, bool > callback )

Set block ack inactivity callback.

Parameters

callback the block ack inactivity callback function

Definition at line 821 of file block-ack-manager.cc.

References m_blockAckInactivityTimeout, and NS_LOG_FUNCTION.

◆ SetBlockAckThreshold()

void ns3::BlockAckManager::SetBlockAckThreshold ( uint8_t nPackets )

Parameters

nPackets Minimum number of packets for use of block ack.

Upon receipt of a block ack frame, if total number of packets (packets in WifiMacQueue and buffered packets) is greater of nPackets, they are transmitted using block ack mechanism.

Definition at line 324 of file block-ack-manager.cc.

References m_blockAckThreshold, and NS_LOG_FUNCTION.

◆ SetBlockAckType()

void ns3::BlockAckManager::SetBlockAckType ( BlockAckType bAckType )

Parameters

bAckType Type of block ack

See ctrl-headers.h for more details.

Definition at line 540 of file block-ack-manager.cc.

References m_blockAckType, and NS_LOG_FUNCTION.

◆ SetBlockDestinationCallback()

void ns3::BlockAckManager::SetBlockDestinationCallback ( Callback< void, Mac48Address, uint8_t > callback )

Set block destination callback.

Parameters

callback the block destination callback

Definition at line 828 of file block-ack-manager.cc.

References m_blockPackets, and NS_LOG_FUNCTION.

◆ SetQueue()

void ns3::BlockAckManager::SetQueue ( const Ptr< WifiMacQueue > queue )

Parameters

queue The WifiMacQueue object.

Definition at line 686 of file block-ack-manager.cc.

References m_queue, and NS_LOG_FUNCTION.

◆ SetStartingSequence()

void ns3::BlockAckManager::SetStartingSequence	(	Mac48Address	recipient,
		uint8_t	tid,
		uint16_t	startingSeq
	)

private

Set the starting sequence number for the agreement with recipient equal to recipient and TID equal to tid to the given startingSeq.

Also, remove packets that became old from the retransmit queue and from the queue of outstanding packets.

Parameters

recipient	the recipient MAC address
tid	Traffic ID
startingSeq	the new starting sequence number

Definition at line 778 of file block-ack-manager.cc.

References m_agreements, NS_ABORT_MSG_IF, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_FUNCTION, RemoveFromRetryQueue(), ns3::SEQNO_SPACE_HALF_SIZE, and ns3::SEQNO_SPACE_SIZE.

Referenced by NotifyDiscardedMpdu(), and NotifyGotBlockAck().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ SetTxFailedCallback()

void ns3::BlockAckManager::SetTxFailedCallback ( TxFailed callback )

Parameters

callback the callback to invoke when a packet transmission was completed unsuccessfully.

Definition at line 855 of file block-ack-manager.cc.

References m_txFailedCallback.

◆ SetTxMiddle()

void ns3::BlockAckManager::SetTxMiddle ( const Ptr< MacTxMiddle > txMiddle )

Set the MacTxMiddle.

Parameters

txMiddle the MacTxMiddle

Definition at line 842 of file block-ack-manager.cc.

References m_txMiddle, and NS_LOG_FUNCTION.

◆ SetTxOkCallback()

void ns3::BlockAckManager::SetTxOkCallback ( TxOk callback )

Parameters

callback the callback to invoke when a packet transmission was completed successfully.

Definition at line 849 of file block-ack-manager.cc.

References m_txOkCallback.

◆ SetUnblockDestinationCallback()

void ns3::BlockAckManager::SetUnblockDestinationCallback ( Callback< void, Mac48Address, uint8_t > callback )

Set unblock destination callback.

Parameters

callback the unblock destination callback

Definition at line 835 of file block-ack-manager.cc.

References m_unblockPackets, and NS_LOG_FUNCTION.

◆ SetWifiRemoteStationManager()

void ns3::BlockAckManager::SetWifiRemoteStationManager ( const Ptr< WifiRemoteStationManager > manager )

Set up WifiRemoteStationManager associated with this BlockAckManager.

Parameters

manager WifiRemoteStationManager associated with this BlockAckManager

Definition at line 331 of file block-ack-manager.cc.

References m_stationManager, and NS_LOG_FUNCTION.

◆ StorePacket()

void ns3::BlockAckManager::StorePacket ( Ptr< WifiMacQueueItem > mpdu )

Parameters

mpdu	MPDU to store.

Stores mpdu for a possible future retransmission. Retransmission occurs if the packet, in a block ack frame, is indicated by recipient as not received.

Definition at line 233 of file block-ack-manager.cc.

References m_agreements, NS_ASSERT, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::SEQNO_SPACE_HALF_SIZE, and ns3::SEQNO_SPACE_SIZE.

◆ SwitchToBlockAckIfNeeded()

bool ns3::BlockAckManager::SwitchToBlockAckIfNeeded	(	Mac48Address	recipient,
		uint8_t	tid,
		uint16_t	startingSeq
	)

Parameters

recipient	the destination address
tid	the Traffic ID
startingSeq

Returns: true if there are packets in the queue that could be sent under block ACK, false otherwise

Checks if there are in the queue other packets that could be send under block ack. If yes adds these packets in current block ack exchange. However, number of packets exchanged in the current block ack, will not exceed the value of BufferSize in the corresponding OriginatorBlockAckAgreement object.

Definition at line 693 of file block-ack-manager.cc.

References ExistsAgreement(), ExistsAgreementInState(), GetNBufferedPackets(), m_blockAckThreshold, m_queue, NotifyAgreementEstablished(), NS_ASSERT, NS_LOG_FUNCTION, ns3::OriginatorBlockAckAgreement::PENDING, and ns3::OriginatorBlockAckAgreement::REJECTED.

Here is the call graph for this function:

◆ UpdateAgreement()

void ns3::BlockAckManager::UpdateAgreement	(	const MgtAddBaResponseHeader *	respHdr,
		Mac48Address	recipient
	)

Parameters

respHdr	Relative Add block ack response (action frame).
recipient	Address of peer station involved in block ack mechanism.

Invoked upon receipt of a ADDBA response frame from recipient.

Definition at line 187 of file block-ack-manager.cc.

Here is the call graph for this function:

Member Data Documentation

◆ m_address

Mac48Address ns3::BlockAckManager::m_address

private

address

Definition at line 520 of file block-ack-manager.h.

◆ m_agreements

Agreements ns3::BlockAckManager::m_agreements

private

This data structure contains, for each block ack agreement (recipient, tid), a set of packets for which an ack by block ack is requested.

Every packet or fragment indicated as correctly received in block ack frame is erased from this data structure. Pushed back in retransmission queue otherwise.

Definition at line 507 of file block-ack-manager.h.

Referenced by CreateAgreement(), DestroyAgreement(), DiscardOutstandingMpdus(), ExistsAgreement(), ExistsAgreementInState(), GetNBufferedPackets(), GetOriginatorStartingSequence(), GetRecipientBufferSize(), InsertInRetryQueue(), NeedBarRetransmission(), NotifyAgreementEstablished(), NotifyAgreementNoReply(), NotifyAgreementRejected(), NotifyAgreementReset(), NotifyDiscardedMpdu(), NotifyGotAck(), NotifyGotBlockAck(), NotifyMissedAck(), NotifyMissedBlockAck(), NotifyMpduTransmission(), RemoveFromRetryQueue(), ScheduleBlockAckReq(), SetStartingSequence(), StorePacket(), UpdateAgreement(), and ~BlockAckManager().

◆ m_agreementState

TracedCallback<Time, Mac48Address, uint8_t, OriginatorBlockAckAgreement::State> ns3::BlockAckManager::m_agreementState

private

The trace source fired when a state transition occured.

Definition at line 532 of file block-ack-manager.h.

Referenced by CreateAgreement(), GetTypeId(), NotifyAgreementEstablished(), NotifyAgreementNoReply(), NotifyAgreementRejected(), NotifyAgreementReset(), and UpdateAgreement().

◆ m_bars

std::list<Bar> ns3::BlockAckManager::m_bars

private

list of BARs

Definition at line 515 of file block-ack-manager.h.

Referenced by DestroyAgreement(), HasBar(), HasPackets(), and ScheduleBlockAckReq().

◆ m_blockAckInactivityTimeout

Callback<void, Mac48Address, uint8_t, bool> ns3::BlockAckManager::m_blockAckInactivityTimeout

private

block ack inactivity timeout callback

Definition at line 522 of file block-ack-manager.h.

Referenced by InactivityTimeout(), and SetBlockAckInactivityCallback().

◆ m_blockAckThreshold

uint8_t ns3::BlockAckManager::m_blockAckThreshold

private

block ack threshold

Definition at line 517 of file block-ack-manager.h.

Referenced by SetBlockAckThreshold(), and SwitchToBlockAckIfNeeded().

◆ m_blockAckType

BlockAckType ns3::BlockAckManager::m_blockAckType

private

block ack type

Definition at line 518 of file block-ack-manager.h.

Referenced by ScheduleBlockAckReq(), and SetBlockAckType().

◆ m_blockPackets

Callback<void, Mac48Address, uint8_t> ns3::BlockAckManager::m_blockPackets

private

block packets callback

Definition at line 523 of file block-ack-manager.h.

Referenced by CreateAgreement(), and SetBlockDestinationCallback().

◆ m_queue

Ptr<WifiMacQueue> ns3::BlockAckManager::m_queue

private

queue

Definition at line 521 of file block-ack-manager.h.

Referenced by SetQueue(), SwitchToBlockAckIfNeeded(), and ~BlockAckManager().

◆ m_retryPackets

Ptr<WifiMacQueue> ns3::BlockAckManager::m_retryPackets

private

This list contains all iterators to stored packets that need to be retransmitted.

A packet needs retransmission if it's indicated as not correctly received in a block ack frame.

Definition at line 514 of file block-ack-manager.h.

Referenced by BlockAckManager(), DestroyAgreement(), GetRetransmitQueue(), HasPackets(), InsertInRetryQueue(), RemoveFromRetryQueue(), and ~BlockAckManager().

◆ m_stationManager

Ptr<WifiRemoteStationManager> ns3::BlockAckManager::m_stationManager

private

the station manager

Definition at line 527 of file block-ack-manager.h.

Referenced by CreateAgreement(), NotifyGotBlockAck(), and SetWifiRemoteStationManager().

◆ m_txFailedCallback

TxFailed ns3::BlockAckManager::m_txFailedCallback

private

transmit failed callback

Definition at line 526 of file block-ack-manager.h.

Referenced by NotifyGotBlockAck(), and SetTxFailedCallback().

◆ m_txMiddle

Ptr<MacTxMiddle> ns3::BlockAckManager::m_txMiddle

private

the MacTxMiddle

Definition at line 519 of file block-ack-manager.h.

Referenced by SetTxMiddle(), and UpdateAgreement().

◆ m_txOkCallback

TxOk ns3::BlockAckManager::m_txOkCallback

private

transmit ok callback

Definition at line 525 of file block-ack-manager.h.

Referenced by NotifyGotBlockAck(), and SetTxOkCallback().

◆ m_unblockPackets

Callback<void, Mac48Address, uint8_t> ns3::BlockAckManager::m_unblockPackets

private

unblock packets callback

Definition at line 524 of file block-ack-manager.h.

Referenced by NotifyAgreementNoReply(), SetUnblockDestinationCallback(), and UpdateAgreement().

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

src/wifi/model/block-ack-manager.h
src/wifi/model/block-ack-manager.cc

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Config Paths

TraceSources

Member Typedef Documentation

◆ Agreements

◆ AgreementsCI

◆ AgreementsI

◆ AgreementStateTracedCallback

◆ PacketQueue

◆ PacketQueueCI

◆ PacketQueueI

◆ TxFailed

◆ TxOk

Constructor & Destructor Documentation

◆ BlockAckManager() [1/2]

◆ BlockAckManager() [2/2]

◆ ~BlockAckManager()

Member Function Documentation

◆ CreateAgreement()

◆ DestroyAgreement()

◆ DiscardOutstandingMpdus()

◆ ExistsAgreement()

◆ ExistsAgreementInState()

◆ GetNBufferedPackets()

◆ GetOriginatorStartingSequence()

◆ GetRecipientBufferSize()

◆ GetRetransmitQueue()

◆ GetTypeId()

◆ HasBar()

◆ HasPackets()

◆ InactivityTimeout()

◆ InsertInRetryQueue()

◆ NeedBarRetransmission()

◆ NotifyAgreementEstablished()

◆ NotifyAgreementNoReply()

◆ NotifyAgreementRejected()

◆ NotifyAgreementReset()

◆ NotifyDiscardedMpdu()

◆ NotifyGotAck()

◆ NotifyGotBlockAck()

◆ NotifyMissedAck()

◆ NotifyMissedBlockAck()

◆ NotifyMpduTransmission()

◆ operator=()

◆ RemoveFromRetryQueue() [1/2]

◆ RemoveFromRetryQueue() [2/2]

◆ ScheduleBlockAckReq()

◆ SetBlockAckInactivityCallback()

◆ SetBlockAckThreshold()

◆ SetBlockAckType()

◆ SetBlockDestinationCallback()

◆ SetQueue()

◆ SetStartingSequence()

◆ SetTxFailedCallback()

◆ SetTxMiddle()

◆ SetTxOkCallback()

◆ SetUnblockDestinationCallback()

◆ SetWifiRemoteStationManager()

◆ StorePacket()

◆ SwitchToBlockAckIfNeeded()

◆ UpdateAgreement()

Member Data Documentation

◆ m_address

◆ m_agreements

◆ m_agreementState

◆ m_bars

◆ m_blockAckInactivityTimeout

◆ m_blockAckThreshold

◆ m_blockAckType

◆ m_blockPackets

◆ m_queue

◆ m_retryPackets

◆ m_stationManager