ns3::MacTxMiddle Class Reference

Handles sequence numbering of IEEE 802.11 data frames. More...

#include "mac-tx-middle.h"

Inheritance diagram for ns3::MacTxMiddle:

Collaboration diagram for ns3::MacTxMiddle:

Public Member Functions
	MacTxMiddle ()
	~MacTxMiddle ()
uint16_t	GetNextSeqNumberByTidAndAddress (uint8_t tid, Mac48Address addr) const
	Return the next sequence number for the Traffic ID and destination.
uint16_t	GetNextSequenceNumberFor (const WifiMacHeader *hdr)
	Return the next sequence number for the given header.
uint16_t	PeekNextSequenceNumberFor (const WifiMacHeader *hdr)
	Return the next sequence number for the Traffic ID and destination, but do not pick it (i.e.
void	SetSequenceNumberFor (const WifiMacHeader *hdr)
	Set the sequence number of the given MAC header as the next sequence number for the Traffic ID and destination of the given MAC header.
Public Member Functions inherited from ns3::SimpleRefCount< MacTxMiddle >
	SimpleRefCount ()
	Default constructor.
	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.
uint32_t	GetReferenceCount () const
	Get the reference count of the object.
SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.
void	Ref () const
	Increment the reference count.
void	Unref () const
	Decrement the reference count.

Private Attributes
std::map< Mac48Address, uint16_t * >	m_qosSequences
	QOS sequences.
uint16_t	m_sequence
	current sequence number

Detailed Description

Handles sequence numbering of IEEE 802.11 data frames.

Definition at line 29 of file mac-tx-middle.h.

Constructor & Destructor Documentation

MacTxMiddle()

ns3::MacTxMiddle::MacTxMiddle

(

)

Definition at line 23 of file mac-tx-middle.cc.

References NS_LOG_FUNCTION.

~MacTxMiddle()

ns3::MacTxMiddle::~MacTxMiddle

(

)

Definition at line 29 of file mac-tx-middle.cc.

References m_qosSequences, and NS_LOG_FUNCTION.

Member Function Documentation

GetNextSeqNumberByTidAndAddress()

uint16_t ns3::MacTxMiddle::GetNextSeqNumberByTidAndAddress	(	uint8_t	tid,
		Mac48Address	addr ) const

Return the next sequence number for the Traffic ID and destination.

Parameters

tid	Traffic ID
addr	destination address

Returns

the next sequence number

Definition at line 103 of file mac-tx-middle.cc.

References m_qosSequences, NS_ASSERT, and NS_LOG_FUNCTION.

GetNextSequenceNumberFor()

uint16_t ns3::MacTxMiddle::GetNextSequenceNumberFor

(

const WifiMacHeader *

hdr

)

Return the next sequence number for the given header.

Parameters

hdr	Wi-Fi header

Returns

the next sequence number

Definition at line 39 of file mac-tx-middle.cc.

References ns3::WifiMacHeader::GetAddr1(), ns3::WifiMacHeader::GetQosTid(), ns3::Mac48Address::IsGroup(), ns3::WifiMacHeader::IsQosData(), m_qosSequences, m_sequence, NS_ASSERT, and NS_LOG_FUNCTION.

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PeekNextSequenceNumberFor()

uint16_t ns3::MacTxMiddle::PeekNextSequenceNumberFor

(

const WifiMacHeader *

hdr

)

Return the next sequence number for the Traffic ID and destination, but do not pick it (i.e.

the current sequence number remains unchanged). This functions is used for A-MPDU aggregation.

Parameters

hdr	Wi-Fi header

Returns

the next sequence number

Definition at line 77 of file mac-tx-middle.cc.

References ns3::WifiMacHeader::GetAddr1(), ns3::WifiMacHeader::GetQosTid(), ns3::Mac48Address::IsGroup(), ns3::WifiMacHeader::IsQosData(), m_qosSequences, m_sequence, NS_ASSERT, and NS_LOG_FUNCTION.

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SetSequenceNumberFor()

void ns3::MacTxMiddle::SetSequenceNumberFor

(

const WifiMacHeader *

hdr

)

Set the sequence number of the given MAC header as the next sequence number for the Traffic ID and destination of the given MAC header.

Parameters

hdr	the given MAC header

Definition at line 117 of file mac-tx-middle.cc.

References ns3::WifiMacHeader::GetAddr1(), ns3::WifiMacHeader::GetQosTid(), ns3::WifiMacHeader::GetSequenceNumber(), ns3::Mac48Address::IsGroup(), ns3::WifiMacHeader::IsQosData(), m_qosSequences, m_sequence, NS_ASSERT, and NS_LOG_FUNCTION.

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Member Data Documentation

m_qosSequences

std::map<Mac48Address, uint16_t*> ns3::MacTxMiddle::m_qosSequences

private

QOS sequences.

Definition at line 68 of file mac-tx-middle.h.

Referenced by ~MacTxMiddle(), GetNextSeqNumberByTidAndAddress(), GetNextSequenceNumberFor(), PeekNextSequenceNumberFor(), and SetSequenceNumberFor().

m_sequence

uint16_t ns3::MacTxMiddle::m_sequence

private

current sequence number

Definition at line 69 of file mac-tx-middle.h.

Referenced by GetNextSequenceNumberFor(), PeekNextSequenceNumberFor(), and SetSequenceNumberFor().

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

• src/wifi/model/mac-tx-middle.h
• src/wifi/model/mac-tx-middle.cc