gem5::EtherSwitch::Interface Class Reference

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 ()
bool	sendPacket (EthPacketPtr packet)
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.
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 ()
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::EtherInt::name(), and gem5::Named::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.

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

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