ns3::MacTxMiddle Class Reference

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

#include "mac-tx-middle.h"

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. More...
uint16_t	GetNextSequenceNumberfor (const WifiMacHeader *hdr)
	Return the next sequence number for the given header. More...
uint16_t	PeekNextSequenceNumberfor (const WifiMacHeader *hdr)
	Return the next sequence number for the Traffic ID and destination, but do not pick it (i.e. More...

Private Attributes
std::map< Mac48Address, uint16_t * >	m_qosSequences
uint16_t	m_sequence

Detailed Description

Handles sequence numbering of IEEE 802.11 data frames.

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

Constructor & Destructor Documentation

ns3::MacTxMiddle::MacTxMiddle

(

)

Definition at line 30 of file mac-tx-middle.cc.

ns3::MacTxMiddle::~MacTxMiddle

(

)

Definition at line 35 of file mac-tx-middle.cc.

References m_qosSequences.

Member Function Documentation

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 108 of file mac-tx-middle.cc.

References m_qosSequences, and NS_ASSERT.

Referenced by ns3::EdcaTxopN::CompleteMpduTx(), ns3::EdcaTxopN::CompleteTx(), ns3::BlockAckManager::NotifyGotBlockAck(), and ns3::EdcaTxopN::SetupBlockAckIfNeeded().

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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 44 of file mac-tx-middle.cc.

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

Referenced by AmpduAggregationTest::DoRun(), ns3::EdcaTxopN::GetNextSequenceNumberfor(), ns3::DcaTxop::NotifyAccessGranted(), ns3::EdcaTxopN::NotifyAccessGranted(), and ns3::EdcaTxopN::SendAddBaRequest().

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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 82 of file mac-tx-middle.cc.

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

Referenced by ns3::EdcaTxopN::MissedAck(), ns3::EdcaTxopN::MissedCts(), and ns3::EdcaTxopN::PeekNextSequenceNumberfor().

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Member Data Documentation

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

private

Definition at line 71 of file mac-tx-middle.h.

Referenced by GetNextSeqNumberByTidAndAddress(), GetNextSequenceNumberfor(), PeekNextSequenceNumberfor(), and ~MacTxMiddle().

uint16_t ns3::MacTxMiddle::m_sequence

private

Definition at line 72 of file mac-tx-middle.h.

Referenced by GetNextSequenceNumberfor(), and PeekNextSequenceNumberfor().

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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