Model for an Ethernet switch port. More...

#include <etherswitch.hh>

Inheritance diagram for gem5::EtherSwitch::Interface:

Classes
class	PortFifo

struct	PortFifoEntry

Public Member Functions
	Interface (const std::string &name, EtherSwitch *_etherSwitch, uint64_t outputBufferSize, Tick delay, Tick delay_var, double rate, unsigned id)

bool	recvPacket (EthPacketPtr packet)
	When a packet is received from a device, route it through an (several) output queue(s)

void	enqueue (EthPacketPtr packet, unsigned senderId)
	enqueue packet to the outputFifo

void	sendDone ()

Tick	switchingDelay ()

Interface *	lookupDestPort (networking::EthAddr destAddr)

void	learnSenderAddr (networking::EthAddr srcMacAddr, Interface *sender)

void	serialize (CheckpointOut &cp) const
	Serialize an object.

void	unserialize (CheckpointIn &cp)
	Unserialize an object.

Public Member Functions inherited from gem5::EtherInt
	EtherInt (const std::string &name, int idx=InvalidPortID)

virtual	~EtherInt ()

const std::string &	name () const
	Return port name (for DPRINTF).

void	bind (Port &peer) override
	Attach to a peer port.

void	unbind () override
	Dettach from a peer port.

void	setPeer (EtherInt *p)

EtherInt *	getPeer ()

void	recvDone ()

virtual void	sendDone ()=0

bool	sendPacket (EthPacketPtr packet)

virtual bool	recvPacket (EthPacketPtr packet)=0

bool	askBusy ()

virtual bool	isBusy ()

Public Member Functions inherited from gem5::Port
virtual	~Port ()
	Virtual destructor due to inheritance.

Port &	getPeer ()
	Return a reference to this port's peer.

const std::string	name () const
	Return port name (for DPRINTF).

PortID	getId () const
	Get the port id.

virtual void	bind (Port &peer)
	Attach to a peer port.

virtual void	unbind ()
	Dettach from a peer port.

bool	isConnected () const
	Is this port currently connected to a peer?

void	takeOverFrom (Port *old)
	A utility function to make it easier to swap out ports.

Public Member Functions inherited from gem5::Serializable
	Serializable ()

virtual	~Serializable ()

virtual void	serialize (CheckpointOut &cp) const =0
	Serialize an object.

virtual void	unserialize (CheckpointIn &cp)=0
	Unserialize an object.

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section.

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object.

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Protected Member Functions
void	transmit ()

Protected Member Functions inherited from gem5::Port
void	reportUnbound () const

	Port (const std::string &_name, PortID _id)
	Abstract base class for ports.

Protected Attributes
PortFifo	outputFifo
	output fifo at each interface

EventFunctionWrapper	txEvent

Protected Attributes inherited from gem5::EtherInt
std::string	portName

EtherInt *	peer

Protected Attributes inherited from gem5::Port
const PortID	id
	A numeric identifier to distinguish ports in a vector, and set to InvalidPortID in case this port is not part of a vector.

Port *	_peer
	A pointer to this port's peer.

bool	_connected
	Whether this port is currently connected to a peer port.

Private Attributes
const double	ticksPerByte

const Tick	switchDelay

const Tick	delayVar

const unsigned	interfaceId

EtherSwitch *	parent

Additional Inherited Members
Static Public Member Functions inherited from gem5::Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section.

static void	generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream)
	Generate a checkpoint file so that the serialization can be routed to it.

Detailed Description

Model for an Ethernet switch port.

Definition at line 69 of file etherswitch.hh.

Constructor & Destructor Documentation

◆ Interface()

gem5::EtherSwitch::Interface::Interface	(	const std::string &	name,
		EtherSwitch *	_etherSwitch,
		uint64_t	outputBufferSize,
		Tick	delay,
		Tick	delay_var,
		double	rate,
		unsigned	id
	)

Definition at line 126 of file etherswitch.cc.

References transmit().

Member Function Documentation

◆ enqueue()

void gem5::EtherSwitch::Interface::enqueue	(	EthPacketPtr	packet,
		unsigned	senderId
	)

enqueue packet to the outputFifo

Definition at line 165 of file etherswitch.cc.

References gem5::curTick().

Referenced by recvPacket().

◆ learnSenderAddr()

void gem5::EtherSwitch::Interface::learnSenderAddr	(	networking::EthAddr	srcMacAddr,
		Interface *	sender
	)

Definition at line 237 of file etherswitch.cc.

References gem5::curTick(), DPRINTF, gem5::EtherSwitch::SwitchTableEntry::interface, gem5::EtherSwitch::SwitchTableEntry::lastUseTime, and gem5::EtherInt::name().

◆ lookupDestPort()

EtherSwitch::Interface * gem5::EtherSwitch::Interface::lookupDestPort ( networking::EthAddr destAddr )

Definition at line 213 of file etherswitch.cc.

References gem5::curTick(), and DPRINTF.

◆ recvPacket()

bool gem5::EtherSwitch::Interface::recvPacket ( EthPacketPtr packet )

virtual

When a packet is received from a device, route it through an (several) output queue(s)

Implements gem5::EtherInt.

Definition at line 138 of file etherswitch.cc.

References gem5::networking::EthAddr::broadcast(), DPRINTF, enqueue(), gem5::networking::EthAddr::multicast(), gem5::Named::name(), and gem5::EtherInt::name().

◆ sendDone()

void gem5::EtherSwitch::Interface::sendDone ( )

inlinevirtual

Implements gem5::EtherInt.

Definition at line 84 of file etherswitch.hh.

◆ serialize()

void gem5::EtherSwitch::Interface::serialize ( CheckpointOut & cp ) const

virtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 276 of file etherswitch.cc.

References SERIALIZE_SCALAR.

◆ switchingDelay()

Tick gem5::EtherSwitch::Interface::switchingDelay ( )

Definition at line 202 of file etherswitch.cc.

References gem5::Random::random(), and gem5::random_mt.

◆ transmit()

void gem5::EtherSwitch::Interface::transmit ( )

protected

Definition at line 181 of file etherswitch.cc.

References gem5::curTick(), DPRINTF, and gem5::sim_clock::as_int::ns.

Referenced by Interface().

◆ unserialize()

void gem5::EtherSwitch::Interface::unserialize ( CheckpointIn & cp )

virtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 289 of file etherswitch.cc.

References UNSERIALIZE_SCALAR.

Member Data Documentation

◆ delayVar

const Tick gem5::EtherSwitch::Interface::delayVar

private

Definition at line 96 of file etherswitch.hh.

◆ interfaceId

const unsigned gem5::EtherSwitch::Interface::interfaceId

private

Definition at line 97 of file etherswitch.hh.

◆ outputFifo

PortFifo gem5::EtherSwitch::Interface::outputFifo

protected

output fifo at each interface

Definition at line 173 of file etherswitch.hh.

◆ parent

EtherSwitch* gem5::EtherSwitch::Interface::parent

private

Definition at line 99 of file etherswitch.hh.

◆ switchDelay

const Tick gem5::EtherSwitch::Interface::switchDelay

private

Definition at line 95 of file etherswitch.hh.

◆ ticksPerByte

const double gem5::EtherSwitch::Interface::ticksPerByte

private

Definition at line 94 of file etherswitch.hh.

◆ txEvent

EventFunctionWrapper gem5::EtherSwitch::Interface::txEvent

protected

Definition at line 175 of file etherswitch.hh.

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

dev/net/etherswitch.hh
dev/net/etherswitch.cc

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Interface()

Member Function Documentation

◆ enqueue()

◆ learnSenderAddr()

◆ lookupDestPort()

◆ recvPacket()

◆ sendDone()

◆ serialize()

◆ switchingDelay()

◆ transmit()

◆ unserialize()

Member Data Documentation

◆ delayVar

◆ interfaceId

◆ outputFifo

◆ parent

◆ switchDelay

◆ ticksPerByte

◆ txEvent