Interface MAC plugin for HWMP – 802.11s routing protocol. More...

#include "hwmp-protocol-mac.h"

Inheritance diagram for ns3::dot11s::HwmpProtocolMac:

Collaboration diagram for ns3::dot11s::HwmpProtocolMac:

Classes
struct	MyPerr
	MyPerr structure. More...

struct	Statistics
	Statistics structure. More...

Public Member Functions
	HwmpProtocolMac (uint32_t ifIndex, Ptr< HwmpProtocol > protocol)
	Constructor.

	~HwmpProtocolMac () override

int64_t	AssignStreams (int64_t stream) override
	Assign a fixed random variable stream number to the random variables used by this model.

bool	Receive (Ptr< Packet > packet, const WifiMacHeader &header) override
	Process received frame.

void	SetParent (Ptr< MeshWifiInterfaceMac > parent) override
	Each plugin must be installed on an interface to work.

void	UpdateBeacon (MeshWifiBeacon &beacon) const override
	Update beacon before it will be formed and sent.

bool	UpdateOutcomingFrame (Ptr< Packet > packet, WifiMacHeader &header, Mac48Address from, Mac48Address to) override
	Update frame before it will be forwarded down.

Public Member Functions inherited from ns3::MeshWifiInterfaceMacPlugin
virtual	~MeshWifiInterfaceMacPlugin ()
	This is for subclasses.

Public Member Functions inherited from ns3::SimpleRefCount< MeshWifiInterfaceMacPlugin >
	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 Member Functions
uint16_t	GetChannelId () const
	Get the channel ID.

uint32_t	GetLinkMetric (Mac48Address peerAddress) const

bool	ReceiveAction (Ptr< Packet > packet, const WifiMacHeader &header)
	Receive action management frame.

bool	ReceiveData (Ptr< Packet > packet, const WifiMacHeader &header)
	Receive data frame.

void	Report (std::ostream &os) const
	Report statistics.

void	ResetStats ()
	Reset statistics.

void	SendMyPerr ()
	Send PERR function.

void	SendMyPreq ()
	Sends one PREQ when PreqMinInterval after last PREQ expires (if any PREQ exists in rhe queue)

Interaction with HWMP:
void	SendPreq (IePreq preq)
	Send PREQ function.

void	SendPreqVector (std::vector< IePreq > preq)
	Send PREQ function for vector of PREQ.

void	SendPrep (IePrep prep, Mac48Address receiver)
	Send PREP function.

void	ForwardPerr (std::vector< HwmpProtocol::FailedDestination > destinations, std::vector< Mac48Address > receivers)
	Forward a path error.

void	InitiatePerr (std::vector< HwmpProtocol::FailedDestination > destinations, std::vector< Mac48Address > receivers)
	initiate my own path error

void	RequestDestination (Mac48Address dest, uint32_t originator_seqno, uint32_t dst_seqno)
	Request a destination.

Static Private Member Functions
static WifiActionHeader	GetWifiActionHeader ()

Private Attributes
uint32_t	m_ifIndex
	IF index.

Ptr< MeshWifiInterfaceMac >	m_parent
	parent

Ptr< HwmpProtocol >	m_protocol
	protocol

my PREQ and PREQ timer:
EventId	m_preqTimer
	Timer for PREQs.

std::vector< IePreq >	m_myPreq
	container of PREQs

PERR timer and stored path error
EventId	m_perrTimer
	PERR.

MyPerr	m_myPerr
	PERR.

Statistics
Statistics	m_stats
	statistics

Friends
class	HwmpProtocol
	allow HwmpProtocol class friend access

Detailed Description

Interface MAC plugin for HWMP – 802.11s routing protocol.

Definition at line 34 of file hwmp-protocol-mac.h.

Constructor & Destructor Documentation

◆ HwmpProtocolMac()

ns3::dot11s::HwmpProtocolMac::HwmpProtocolMac	(	uint32_t	ifIndex,
		Ptr< HwmpProtocol >	protocol )

Constructor.

Parameters

ifIndex	interface index
protocol	pointer to HWMP protocol instance

Definition at line 34 of file hwmp-protocol-mac.cc.

References NS_LOG_FUNCTION.

◆ ~HwmpProtocolMac()

ns3::dot11s::HwmpProtocolMac::~HwmpProtocolMac ( )

override

Definition at line 41 of file hwmp-protocol-mac.cc.

Member Function Documentation

◆ AssignStreams()

int64_t ns3::dot11s::HwmpProtocolMac::AssignStreams ( int64_t stream )

overridevirtual

Assign a fixed random variable stream number to the random variables used by this model.

Return the number of streams (possibly zero) that have been assigned.

Parameters

stream first stream index to use

Returns: the number of stream indices assigned by this model

Implements ns3::MeshWifiInterfaceMacPlugin.

Definition at line 537 of file hwmp-protocol-mac.cc.

References m_protocol.

◆ ForwardPerr()

void ns3::dot11s::HwmpProtocolMac::ForwardPerr	(	std::vector< HwmpProtocol::FailedDestination >	destinations,
		std::vector< Mac48Address >	receivers )

private

Forward a path error.

Parameters

destinations	vector of failed destinations
receivers	vector of receivers

Definition at line 355 of file hwmp-protocol-mac.cc.

References ns3::MeshInformationElementVector::AddInformationElement(), ns3::Create(), ns3::Mac48Address::GetBroadcast(), GetWifiActionHeader(), m_parent, m_protocol, m_stats, NS_LOG_FUNCTION, ns3::WifiMacHeader::SetAddr1(), ns3::WifiMacHeader::SetAddr2(), ns3::WifiMacHeader::SetAddr3(), ns3::WifiMacHeader::SetDsNotFrom(), ns3::WifiMacHeader::SetDsNotTo(), ns3::WifiMacHeader::SetType(), ns3::dot11s::HwmpProtocolMac::Statistics::txMgt, ns3::dot11s::HwmpProtocolMac::Statistics::txMgtBytes, ns3::dot11s::HwmpProtocolMac::Statistics::txPerr, and ns3::WIFI_MAC_MGT_ACTION.

Referenced by ns3::dot11s::HwmpProtocol::ForwardPathError(), and SendMyPerr().

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◆ GetChannelId()

uint16_t ns3::dot11s::HwmpProtocolMac::GetChannelId ( ) const

private

Get the channel ID.

Returns: the channel ID

Definition at line 476 of file hwmp-protocol-mac.cc.

References m_parent.

◆ GetLinkMetric()

uint32_t ns3::dot11s::HwmpProtocolMac::GetLinkMetric ( Mac48Address peerAddress ) const

private

Parameters

peerAddress peer address

Returns: metric to HWMP protocol, needed only by metrics to add peer as routing entry

Definition at line 470 of file hwmp-protocol-mac.cc.

References m_parent.

◆ GetWifiActionHeader()

WifiActionHeader ns3::dot11s::HwmpProtocolMac::GetWifiActionHeader ( )

staticprivate

Returns: a path selection action header

Definition at line 229 of file hwmp-protocol-mac.cc.

References ns3::WifiActionHeader::MESH, ns3::WifiActionHeader::PATH_SELECTION, and ns3::WifiActionHeader::SetAction().

Referenced by ForwardPerr(), SendPrep(), and SendPreqVector().

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◆ InitiatePerr()

void ns3::dot11s::HwmpProtocolMac::InitiatePerr	(	std::vector< HwmpProtocol::FailedDestination >	destinations,
		std::vector< Mac48Address >	receivers )

private

initiate my own path error

Parameters

destinations	vector of failed destinations
receivers	vector of receivers

Definition at line 409 of file hwmp-protocol-mac.cc.

References ns3::dot11s::HwmpProtocolMac::MyPerr::destinations, m_myPerr, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::dot11s::HwmpProtocolMac::MyPerr::receivers, and SendMyPerr().

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◆ Receive()

bool ns3::dot11s::HwmpProtocolMac::Receive	(	Ptr< Packet >	packet,
		const WifiMacHeader &	header )

overridevirtual

Process received frame.

Parameters

packet
header

Returns: false if (and only if) frame should be dropped

Todo: define when MAC call this

Implements ns3::MeshWifiInterfaceMacPlugin.

Definition at line 180 of file hwmp-protocol-mac.cc.

References ns3::WifiMacHeader::IsAction(), ns3::WifiMacHeader::IsData(), NS_LOG_FUNCTION, ReceiveAction(), and ReceiveData().

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◆ ReceiveAction()

bool ns3::dot11s::HwmpProtocolMac::ReceiveAction	(	Ptr< Packet >	packet,
		const WifiMacHeader &	header )

private

Receive action management frame.

Parameters

packet
header

Returns: true if a packet was received

Definition at line 97 of file hwmp-protocol-mac.cc.

References ns3::MeshInformationElementVector::Begin(), ns3::DynamicCast(), ns3::MeshInformationElementVector::End(), ns3::WifiMacHeader::GetAddr2(), ns3::WifiMacHeader::GetAddr3(), ns3::WifiActionHeader::GetCategory(), IE_PERR, IE_PREP, IE_PREQ, IE_RANN, m_ifIndex, m_parent, m_protocol, m_stats, ns3::WifiActionHeader::MESH, NS_ASSERT, NS_LOG_FUNCTION, NS_LOG_WARN, ns3::dot11s::HwmpProtocolMac::Statistics::rxMgt, ns3::dot11s::HwmpProtocolMac::Statistics::rxMgtBytes, ns3::dot11s::HwmpProtocolMac::Statistics::rxPerr, ns3::dot11s::HwmpProtocolMac::Statistics::rxPrep, and ns3::dot11s::HwmpProtocolMac::Statistics::rxPreq.

Referenced by Receive().

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◆ ReceiveData()

bool ns3::dot11s::HwmpProtocolMac::ReceiveData	(	Ptr< Packet >	packet,
		const WifiMacHeader &	header )

private

Receive data frame.

Parameters

packet
header

Returns: true if a packet was received

Todo: address extension

Definition at line 53 of file hwmp-protocol-mac.cc.

References ns3::WifiMacHeader::GetAddr3(), ns3::WifiMacHeader::GetAddr4(), ns3::dot11s::MeshHeader::GetAddressExt(), ns3::Mac48Address::GetBroadcast(), ns3::dot11s::MeshHeader::GetMeshSeqno(), ns3::dot11s::MeshHeader::GetMeshTtl(), ns3::WifiMacHeader::IsData(), m_protocol, m_stats, NS_ASSERT, NS_FATAL_ERROR, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::dot11s::HwmpProtocolMac::Statistics::rxData, ns3::dot11s::HwmpProtocolMac::Statistics::rxDataBytes, ns3::dot11s::HwmpTag::SetSeqno(), and ns3::dot11s::HwmpTag::SetTtl().

Referenced by Receive().

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◆ Report()

void ns3::dot11s::HwmpProtocolMac::Report ( std::ostream & os ) const

private

Report statistics.

Parameters

os	The output stream on which to report

Definition at line 521 of file hwmp-protocol-mac.cc.

References m_parent, m_stats, and ns3::dot11s::HwmpProtocolMac::Statistics::Print().

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◆ RequestDestination()

void ns3::dot11s::HwmpProtocolMac::RequestDestination	(	Mac48Address	dest,
		uint32_t	originator_seqno,
		uint32_t	dst_seqno )

private

Request a destination.

If cannot send PREQ immediately, add a destination to existing PREQ generated by me and stored in PREQ queue

Parameters

dest	is the destination to be resolved
originator_seqno	is a sequence number that shall be preq originator sequenece number
dst_seqno	is a sequence number taken from routing table

Definition at line 279 of file hwmp-protocol-mac.cc.

References ns3::dot11s::IePreq::AddDestinationAddressElement(), m_myPreq, m_protocol, NS_ASSERT, NS_LOG_FUNCTION, SendMyPreq(), ns3::dot11s::IePreq::SetHopcount(), ns3::dot11s::IePreq::SetLifetime(), ns3::dot11s::IePreq::SetOriginatorAddress(), ns3::dot11s::IePreq::SetOriginatorSeqNumber(), ns3::dot11s::IePreq::SetPreqID(), and ns3::dot11s::IePreq::SetTTL().

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◆ ResetStats()

void ns3::dot11s::HwmpProtocolMac::ResetStats ( )

private

Reset statistics.

Definition at line 530 of file hwmp-protocol-mac.cc.

References m_stats, and NS_LOG_FUNCTION.

◆ SendMyPerr()

void ns3::dot11s::HwmpProtocolMac::SendMyPerr ( )

private

Send PERR function.

Definition at line 455 of file hwmp-protocol-mac.cc.

References ns3::dot11s::HwmpProtocolMac::MyPerr::destinations, ForwardPerr(), ns3::EventId::IsPending(), m_myPerr, m_perrTimer, m_protocol, NS_LOG_FUNCTION, ns3::dot11s::HwmpProtocolMac::MyPerr::receivers, ns3::Simulator::Schedule(), and SendMyPerr().

Referenced by InitiatePerr(), and SendMyPerr().

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◆ SendMyPreq()

void ns3::dot11s::HwmpProtocolMac::SendMyPreq ( )

private

Sends one PREQ when PreqMinInterval after last PREQ expires (if any PREQ exists in rhe queue)

Definition at line 310 of file hwmp-protocol-mac.cc.

References ns3::EventId::IsPending(), m_myPreq, m_preqTimer, m_protocol, NS_ASSERT, NS_LOG_FUNCTION, ns3::Simulator::Schedule(), SendMyPreq(), and SendPreqVector().

Referenced by RequestDestination(), and SendMyPreq().

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◆ SendPrep()

void ns3::dot11s::HwmpProtocolMac::SendPrep	(	IePrep	prep,
		Mac48Address	receiver )

private

Send PREP function.

Parameters

prep	the PREP information element
receiver	the MAC address of the receiver

Definition at line 330 of file hwmp-protocol-mac.cc.

References ns3::MeshInformationElementVector::AddInformationElement(), ns3::Create(), GetWifiActionHeader(), m_parent, m_protocol, m_stats, NS_LOG_FUNCTION, ns3::WifiMacHeader::SetAddr1(), ns3::WifiMacHeader::SetAddr2(), ns3::WifiMacHeader::SetAddr3(), ns3::WifiMacHeader::SetDsNotFrom(), ns3::WifiMacHeader::SetDsNotTo(), ns3::WifiMacHeader::SetType(), ns3::dot11s::HwmpProtocolMac::Statistics::txMgt, ns3::dot11s::HwmpProtocolMac::Statistics::txMgtBytes, ns3::dot11s::HwmpProtocolMac::Statistics::txPrep, and ns3::WIFI_MAC_MGT_ACTION.

Referenced by ns3::dot11s::HwmpProtocol::ReceivePrep().

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◆ SendPreq()

void ns3::dot11s::HwmpProtocolMac::SendPreq ( IePreq preq )

private

Send PREQ function.

Parameters

preq the PREQ

Definition at line 239 of file hwmp-protocol-mac.cc.

References NS_LOG_FUNCTION, and SendPreqVector().

Referenced by ns3::dot11s::HwmpProtocol::ReceivePreq().

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◆ SendPreqVector()

void ns3::dot11s::HwmpProtocolMac::SendPreqVector ( std::vector< IePreq > preq )

private

Send PREQ function for vector of PREQ.

Parameters

preq	vector of PREQ information elements

Definition at line 248 of file hwmp-protocol-mac.cc.

References ns3::MeshInformationElementVector::AddInformationElement(), ns3::Create(), GetWifiActionHeader(), m_ifIndex, m_parent, m_protocol, m_stats, NS_LOG_FUNCTION, ns3::WifiMacHeader::SetAddr1(), ns3::WifiMacHeader::SetAddr2(), ns3::WifiMacHeader::SetAddr3(), ns3::WifiMacHeader::SetDsNotFrom(), ns3::WifiMacHeader::SetDsNotTo(), ns3::WifiMacHeader::SetType(), ns3::dot11s::HwmpProtocolMac::Statistics::txMgt, ns3::dot11s::HwmpProtocolMac::Statistics::txMgtBytes, ns3::dot11s::HwmpProtocolMac::Statistics::txPreq, and ns3::WIFI_MAC_MGT_ACTION.

Referenced by SendMyPreq(), and SendPreq().

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◆ SetParent()

void ns3::dot11s::HwmpProtocolMac::SetParent ( Ptr< MeshWifiInterfaceMac > parent )

overridevirtual

Each plugin must be installed on an interface to work.

Parameters

parent the parent object

Implements ns3::MeshWifiInterfaceMacPlugin.

Definition at line 46 of file hwmp-protocol-mac.cc.

References m_parent, and NS_LOG_FUNCTION.

◆ UpdateBeacon()

void ns3::dot11s::HwmpProtocolMac::UpdateBeacon ( MeshWifiBeacon & beacon ) const

inlineoverridevirtual

Update beacon before it will be formed and sent.

Parameters

beacon

Todo: define when MAC call this

Implements ns3::MeshWifiInterfaceMacPlugin.

Definition at line 54 of file hwmp-protocol-mac.h.

◆ UpdateOutcomingFrame()

bool ns3::dot11s::HwmpProtocolMac::UpdateOutcomingFrame	(	Ptr< Packet >	packet,
		WifiMacHeader &	header,
		Mac48Address	from,
		Mac48Address	to )

overridevirtual

Update frame before it will be forwarded down.

Parameters

packet
header
from
to

Returns: false if (and only if) frame should be dropped

Todo: define when MAC call this, preconditions & postconditions

Implements ns3::MeshWifiInterfaceMacPlugin.

Definition at line 201 of file hwmp-protocol-mac.cc.

References ns3::dot11s::HwmpTag::GetAddress(), ns3::dot11s::HwmpTag::GetSeqno(), ns3::dot11s::HwmpTag::GetTtl(), ns3::WifiMacHeader::IsData(), m_stats, NS_FATAL_ERROR, NS_LOG_FUNCTION, ns3::WifiMacHeader::SetAddr1(), ns3::dot11s::MeshHeader::SetMeshSeqno(), ns3::dot11s::MeshHeader::SetMeshTtl(), ns3::WifiMacHeader::SetQosMeshControlPresent(), ns3::dot11s::HwmpProtocolMac::Statistics::txData, and ns3::dot11s::HwmpProtocolMac::Statistics::txDataBytes.

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Friends And Related Symbol Documentation

◆ HwmpProtocol

friend class HwmpProtocol

friend

allow HwmpProtocol class friend access

Definition at line 59 of file hwmp-protocol-mac.h.

Member Data Documentation

◆ m_ifIndex

uint32_t ns3::dot11s::HwmpProtocolMac::m_ifIndex

private

IF index.

Definition at line 131 of file hwmp-protocol-mac.h.

Referenced by ReceiveAction(), and SendPreqVector().

◆ m_myPerr

MyPerr ns3::dot11s::HwmpProtocolMac::m_myPerr

private

PERR.

Definition at line 151 of file hwmp-protocol-mac.h.

Referenced by InitiatePerr(), and SendMyPerr().

◆ m_myPreq

std::vector<IePreq> ns3::dot11s::HwmpProtocolMac::m_myPreq

private

container of PREQs

Definition at line 137 of file hwmp-protocol-mac.h.

Referenced by RequestDestination(), and SendMyPreq().

◆ m_parent

Ptr<MeshWifiInterfaceMac> ns3::dot11s::HwmpProtocolMac::m_parent

private

parent

Definition at line 130 of file hwmp-protocol-mac.h.

Referenced by ForwardPerr(), GetChannelId(), GetLinkMetric(), ReceiveAction(), Report(), SendPrep(), SendPreqVector(), and SetParent().

◆ m_perrTimer

EventId ns3::dot11s::HwmpProtocolMac::m_perrTimer

private

PERR.

Definition at line 142 of file hwmp-protocol-mac.h.

Referenced by SendMyPerr().

◆ m_preqTimer

EventId ns3::dot11s::HwmpProtocolMac::m_preqTimer

private

Timer for PREQs.

Definition at line 136 of file hwmp-protocol-mac.h.

Referenced by SendMyPreq().

◆ m_protocol

Ptr<HwmpProtocol> ns3::dot11s::HwmpProtocolMac::m_protocol

private

protocol

Definition at line 132 of file hwmp-protocol-mac.h.

Referenced by AssignStreams(), ForwardPerr(), ReceiveAction(), ReceiveData(), RequestDestination(), SendMyPerr(), SendMyPreq(), SendPrep(), and SendPreqVector().

◆ m_stats

Statistics ns3::dot11s::HwmpProtocolMac::m_stats

private

statistics

Definition at line 185 of file hwmp-protocol-mac.h.

Referenced by ForwardPerr(), ReceiveAction(), ReceiveData(), Report(), ResetStats(), SendPrep(), SendPreqVector(), and UpdateOutcomingFrame().

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

src/mesh/model/dot11s/hwmp-protocol-mac.h
src/mesh/model/dot11s/hwmp-protocol-mac.cc

Classes

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ HwmpProtocolMac()

◆ ~HwmpProtocolMac()

Member Function Documentation

◆ AssignStreams()

◆ ForwardPerr()

◆ GetChannelId()

◆ GetLinkMetric()

◆ GetWifiActionHeader()

◆ InitiatePerr()

◆ Receive()

◆ ReceiveAction()

◆ ReceiveData()

◆ Report()

◆ RequestDestination()

◆ ResetStats()

◆ SendMyPerr()

◆ SendMyPreq()

◆ SendPrep()

◆ SendPreq()

◆ SendPreqVector()

◆ SetParent()

◆ UpdateBeacon()

◆ UpdateOutcomingFrame()

Friends And Related Symbol Documentation

◆ HwmpProtocol

Member Data Documentation

◆ m_ifIndex

◆ m_myPerr

◆ m_myPreq

◆ m_parent

◆ m_perrTimer

◆ m_preqTimer

◆ m_protocol

◆ m_stats