Inheritance diagram for gem5::IGbE::RxDescCache:

Public Member Functions
	RxDescCache (IGbE *i, std::string n, int s)

int	writePacket (EthPacketPtr packet, int pkt_offset)
	Write the given packet into the buffer(s) pointed to by the descriptor and update the book keeping. More...

void	pktComplete ()
	Called by event when dma to write packet is completed. More...

bool	packetDone ()
	Check if the dma on the packet has completed and RX state machine can continue. More...

void	pktSplitDone ()

bool	hasOutstandingEvents () override

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

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from gem5::IGbE::DescCache< igbreg::RxDesc >
	DescCache (IGbE *i, const std::string n, int s)

virtual	~DescCache ()

std::string	name ()

void	areaChanged ()
	If the address/len/head change when we've got descriptors that are dirty that is very bad. More...

void	writeback (Addr aMask)

void	writeback1 ()

void	fetchDescriptors ()
	Fetch a chunk of descriptors into the descriptor cache. More...

void	fetchDescriptors1 ()

void	fetchComplete ()
	Called by event when dma to read descriptors is completed. More...

void	wbComplete ()
	Called by event when dma to writeback descriptors is completed. More...

unsigned	descLeft () const

unsigned	descUsed () const

unsigned	descUnused () const

void	reset ()

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

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

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. More...

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

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

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

Public Attributes
EventFunctionWrapper	pktEvent

EventFunctionWrapper	pktHdrEvent

EventFunctionWrapper	pktDataEvent

Public Attributes inherited from gem5::IGbE::DescCache< igbreg::RxDesc >
std::string	annSmFetch
	Annotate sm. More...

std::string	annSmWb

std::string	annUnusedDescQ

std::string	annUsedCacheQ

std::string	annUsedDescQ

std::string	annUnusedCacheQ

std::string	annDescQ

EventFunctionWrapper	wbDelayEvent

EventFunctionWrapper	fetchDelayEvent

EventFunctionWrapper	fetchEvent

EventFunctionWrapper	wbEvent

Protected Member Functions
Addr	descBase () const override

long	descHead () const override

long	descLen () const override

long	descTail () const override

void	updateHead (long h) override

void	enableSm () override

void	fetchAfterWb () override

Protected Member Functions inherited from gem5::IGbE::DescCache< igbreg::RxDesc >
virtual Addr	descBase () const=0

virtual long	descHead () const=0

virtual long	descTail () const=0

virtual long	descLen () const=0

virtual void	actionAfterWb ()

Addr	pciToDma (Addr a)
	Shortcut for DMA address translation. More...

Protected Attributes
bool	pktDone

int	splitCount
	Variable to head with header/data completion events. More...

unsigned	bytesCopied
	Bytes of packet that have been copied, so we know when to set EOP. More...

Protected Attributes inherited from gem5::IGbE::DescCache< igbreg::RxDesc >
CacheType	usedCache

CacheType	unusedCache

igbreg::RxDesc *	fetchBuf

igbreg::RxDesc *	wbBuf

IGbE *	igbe

std::string	_name

int	cachePnt

int	size

int	curFetching

int	wbOut

bool	moreToWb

Addr	wbAlignment

EthPacketPtr	pktPtr
	The packet that is currently being dmad to memory if any. More...

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. More...

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

Protected Types inherited from gem5::IGbE::DescCache< igbreg::RxDesc >
typedef std::deque< igbreg::RxDesc * >	CacheType

Detailed Description

Definition at line 305 of file i8254xGBe.hh.

Constructor & Destructor Documentation

◆ RxDescCache()

gem5::IGbE::RxDescCache::RxDescCache	(	IGbE *	i,
		std::string	n,
		int	s
	)

Definition at line 1147 of file i8254xGBe.cc.

References pktComplete().

Member Function Documentation

◆ descBase()

Addr gem5::IGbE::RxDescCache::descBase ( ) const

inlineoverrideprotected

Definition at line 308 of file i8254xGBe.hh.

References gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::igbreg::Regs::rdba, and gem5::IGbE::regs.

◆ descHead()

long gem5::IGbE::RxDescCache::descHead ( ) const

inlineoverrideprotected

Definition at line 309 of file i8254xGBe.hh.

References gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::igbreg::Regs::rdh, and gem5::IGbE::regs.

◆ descLen()

long gem5::IGbE::RxDescCache::descLen ( ) const

inlineoverrideprotected

Definition at line 310 of file i8254xGBe.hh.

References gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::igbreg::Regs::rdlen, and gem5::IGbE::regs.

◆ descTail()

long gem5::IGbE::RxDescCache::descTail ( ) const

inlineoverrideprotected

Definition at line 311 of file i8254xGBe.hh.

References gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::igbreg::Regs::rdt, and gem5::IGbE::regs.

◆ enableSm()

void gem5::IGbE::RxDescCache::enableSm ( )

overrideprotectedvirtual

Implements gem5::IGbE::DescCache< igbreg::RxDesc >.

Definition at line 1449 of file i8254xGBe.cc.

References gem5::Draining.

◆ fetchAfterWb()

void gem5::IGbE::RxDescCache::fetchAfterWb ( )

inlineoverrideprotectedvirtual

Implements gem5::IGbE::DescCache< igbreg::RxDesc >.

Definition at line 314 of file i8254xGBe.hh.

References gem5::Drainable::drainState(), gem5::IGbE::DescCache< igbreg::RxDesc >::fetchDescriptors(), gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::Running, and gem5::IGbE::rxTick.

◆ hasOutstandingEvents()

bool gem5::IGbE::RxDescCache::hasOutstandingEvents ( )

overridevirtual

Reimplemented from gem5::IGbE::DescCache< igbreg::RxDesc >.

Definition at line 1468 of file i8254xGBe.cc.

Referenced by gem5::IGbE::checkDrain(), and gem5::IGbE::drain().

◆ packetDone()

bool gem5::IGbE::RxDescCache::packetDone ( )

Check if the dma on the packet has completed and RX state machine can continue.

Definition at line 1458 of file i8254xGBe.cc.

Referenced by gem5::IGbE::rxStateMachine().

◆ pktComplete()

void gem5::IGbE::RxDescCache::pktComplete ( )

Called by event when dma to write packet is completed.

Definition at line 1287 of file i8254xGBe.cc.

References gem5::igbreg::RxDesc::adv_read, gem5::igbreg::RxDesc::adv_wb, gem5::networking::cksum(), gem5::curTick(), DPRINTF, gem5::ArmISA::err, gem5::htole(), gem5::igbreg::txd_op::ip(), gem5::MipsISA::ip6, gem5::igbreg::IT_RXT, gem5::igbreg::IT_SRPD, gem5::igbreg::RxDesc::legacy, panic, gem5::igbreg::RXDE_IPE, gem5::igbreg::RXDE_TCPE, gem5::igbreg::RXDEE_IPE, gem5::igbreg::RXDEE_TCPE, gem5::igbreg::RXDP_IPV4, gem5::igbreg::RXDP_IPV6, gem5::igbreg::RXDP_TCP, gem5::igbreg::RXDP_UDP, gem5::igbreg::RXDS_DD, gem5::igbreg::RXDS_EOP, gem5::igbreg::RXDS_IPCS, gem5::igbreg::RXDS_TCPCS, gem5::igbreg::RXDS_UDPCS, gem5::igbreg::RXDT_ADV_ONEBUF, gem5::igbreg::RXDT_ADV_SPLIT_A, gem5::igbreg::RXDT_LEGACY, gem5::ArmISA::status, and gem5::igbreg::txd_op::tcp().

Referenced by RxDescCache().

◆ pktSplitDone()

void gem5::IGbE::RxDescCache::pktSplitDone ( )

Definition at line 1164 of file i8254xGBe.cc.

References DPRINTF.

◆ serialize()

void gem5::IGbE::RxDescCache::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 1477 of file i8254xGBe.cc.

References gem5::IGbE::DescCache< T >::serialize(), and SERIALIZE_SCALAR.

◆ unserialize()

void gem5::IGbE::RxDescCache::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements gem5::Serializable.

Definition at line 1486 of file i8254xGBe.cc.

References gem5::IGbE::DescCache< T >::unserialize(), and UNSERIALIZE_SCALAR.

◆ updateHead()

void gem5::IGbE::RxDescCache::updateHead ( long h )

inlineoverrideprotectedvirtual

Implements gem5::IGbE::DescCache< igbreg::RxDesc >.

Definition at line 312 of file i8254xGBe.hh.

References gem5::IGbE::DescCache< igbreg::RxDesc >::igbe, gem5::igbreg::Regs::rdh, and gem5::IGbE::regs.

◆ writePacket()

int gem5::IGbE::RxDescCache::writePacket	(	EthPacketPtr	packet,
		int	pkt_offset
	)

Write the given packet into the buffer(s) pointed to by the descriptor and update the book keeping.

Should only be called when there are no dma's pending.

Parameters

packet	ethernet packet to write
pkt_offset	bytes already copied from the packet to memory

Returns: pkt_offset + number of bytes copied during this call

Definition at line 1179 of file i8254xGBe.cc.

References gem5::igbreg::RxDesc::adv_read, gem5::igbreg::RxDesc::adv_wb, DPRINTF, gem5::networking::hsplit(), gem5::htole(), gem5::igbreg::RxDesc::legacy, panic, gem5::PciDevice::pciToDma(), gem5::igbreg::RXDT_ADV_ONEBUF, gem5::igbreg::RXDT_ADV_SPLIT_A, and gem5::igbreg::RXDT_LEGACY.

Referenced by gem5::IGbE::rxStateMachine().

Member Data Documentation

◆ bytesCopied

unsigned gem5::IGbE::RxDescCache::bytesCopied

protected

Bytes of packet that have been copied, so we know when to set EOP.

Definition at line 326 of file i8254xGBe.hh.

◆ pktDataEvent

EventFunctionWrapper gem5::IGbE::RxDescCache::pktDataEvent

Definition at line 355 of file i8254xGBe.hh.

◆ pktDone

bool gem5::IGbE::RxDescCache::pktDone

protected

Definition at line 319 of file i8254xGBe.hh.

◆ pktEvent

EventFunctionWrapper gem5::IGbE::RxDescCache::pktEvent

Definition at line 349 of file i8254xGBe.hh.

◆ pktHdrEvent

EventFunctionWrapper gem5::IGbE::RxDescCache::pktHdrEvent

Definition at line 354 of file i8254xGBe.hh.

◆ splitCount

int gem5::IGbE::RxDescCache::splitCount

protected

Variable to head with header/data completion events.

Definition at line 322 of file i8254xGBe.hh.

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

dev/net/i8254xGBe.hh
dev/net/i8254xGBe.cc

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ RxDescCache()

Member Function Documentation

◆ descBase()

◆ descHead()

◆ descLen()

◆ descTail()

◆ enableSm()

◆ fetchAfterWb()

◆ hasOutstandingEvents()

◆ packetDone()

◆ pktComplete()

◆ pktSplitDone()

◆ serialize()

◆ unserialize()

◆ updateHead()

◆ writePacket()

Member Data Documentation

◆ bytesCopied

◆ pktDataEvent

◆ pktDone

◆ pktEvent

◆ pktHdrEvent

◆ splitCount