Inheritance diagram for IGbE::TxDescCache:

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

unsigned	getPacketSize (EthPacketPtr p)
	Tell the cache to DMA a packet from main memory into its buffer and return the size the of the packet to reserve space in tx fifo. More...

void	getPacketData (EthPacketPtr p)

void	processContextDesc ()

unsigned	descInBlock (unsigned num_desc)
	Return the number of dsecriptors in a cache block for threshold operations. More...

bool	packetAvailable ()
	Ask if the packet has been transfered so the state machine can give it to the fifo. More...

bool	packetWaiting ()
	Ask if we are still waiting for the packet to be transfered. More...

bool	packetMultiDesc ()
	Ask if this packet is composed of multiple descriptors so even if we've got data, we need to wait for more before we can send it out. More...

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

void	headerComplete ()

void	completionWriteback (Addr a, bool enabled)

bool	hasOutstandingEvents () override

void	nullCallback ()

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

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

Public Member Functions inherited from IGbE::DescCache< iGbReg::TxDesc >
	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 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	headerEvent

EventFunctionWrapper	nullEvent

Public Attributes inherited from IGbE::DescCache< iGbReg::TxDesc >
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	descTail () const override

long	descLen () const override

void	updateHead (long h) override

void	enableSm () override

void	actionAfterWb () override

void	fetchAfterWb () override

Protected Member Functions inherited from IGbE::DescCache< iGbReg::TxDesc >
virtual Addr	descBase () const=0

virtual long	descHead () const=0

virtual long	descTail () const=0

virtual long	descLen () const=0

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

Protected Attributes
bool	pktDone

bool	isTcp

bool	pktWaiting

bool	pktMultiDesc

Addr	completionAddress

bool	completionEnabled

uint32_t	descEnd

bool	useTso

Addr	tsoHeaderLen

Addr	tsoMss

Addr	tsoTotalLen

Addr	tsoUsedLen

Addr	tsoPrevSeq

Addr	tsoPktPayloadBytes

bool	tsoLoadedHeader

bool	tsoPktHasHeader

uint8_t	tsoHeader [256]

Addr	tsoDescBytesUsed

Addr	tsoCopyBytes

int	tsoPkts

Protected Attributes inherited from IGbE::DescCache< iGbReg::TxDesc >
CacheType	usedCache

CacheType	unusedCache

iGbReg::TxDesc *	fetchBuf

iGbReg::TxDesc *	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 Serializable
static const std::string &	currentSection ()
	Gets the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)
	Serializes all the SimObjects. More...

static void	unserializeGlobals (CheckpointIn &cp)

Protected Types inherited from IGbE::DescCache< iGbReg::TxDesc >
typedef std::deque< iGbReg::TxDesc * >	CacheType

Detailed Description

Definition at line 359 of file i8254xGBe.hh.

Constructor & Destructor Documentation

◆ TxDescCache()

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

Definition at line 1497 of file i8254xGBe.cc.

References pktComplete().

Member Function Documentation

◆ actionAfterWb()

void IGbE::TxDescCache::actionAfterWb ( )

overrideprotectedvirtual

Reimplemented from IGbE::DescCache< iGbReg::TxDesc >.

Definition at line 1901 of file i8254xGBe.cc.

References DPRINTF, iGbReg::IT_TXDW, mbits(), and PciDevice::pciToDma().

◆ completionWriteback()

void IGbE::TxDescCache::completionWriteback	(	Addr	a,
		bool	enabled
	)

inline

Definition at line 448 of file i8254xGBe.hh.

References ArmISA::a, completionAddress, completionEnabled, DPRINTF, and Stats::enabled().

Referenced by IGbE::write().

◆ descBase()

Addr IGbE::TxDescCache::descBase ( ) const

inlineoverrideprotected

Definition at line 362 of file i8254xGBe.hh.

References IGbE::DescCache< iGbReg::TxDesc >::igbe, IGbE::regs, and iGbReg::Regs::tdba.

◆ descHead()

long IGbE::TxDescCache::descHead ( ) const

inlineoverrideprotected

Definition at line 363 of file i8254xGBe.hh.

References IGbE::DescCache< iGbReg::TxDesc >::igbe, IGbE::regs, and iGbReg::Regs::tdh.

◆ descInBlock()

unsigned IGbE::TxDescCache::descInBlock ( unsigned num_desc )

inline

Return the number of dsecriptors in a cache block for threshold operations.

Definition at line 415 of file i8254xGBe.hh.

References DmaDevice::cacheBlockSize(), and IGbE::DescCache< iGbReg::TxDesc >::igbe.

◆ descLen()

long IGbE::TxDescCache::descLen ( ) const

inlineoverrideprotected

Definition at line 365 of file i8254xGBe.hh.

References IGbE::DescCache< iGbReg::TxDesc >::igbe, IGbE::regs, and iGbReg::Regs::tdlen.

◆ descTail()

long IGbE::TxDescCache::descTail ( ) const

inlineoverrideprotected

Definition at line 364 of file i8254xGBe.hh.

References IGbE::DescCache< iGbReg::TxDesc >::igbe, IGbE::regs, and iGbReg::Regs::tdt.

◆ enableSm()

void IGbE::TxDescCache::enableSm ( )

overrideprotectedvirtual

Implements IGbE::DescCache< iGbReg::TxDesc >.

Definition at line 1985 of file i8254xGBe.cc.

References Draining.

◆ fetchAfterWb()

void IGbE::TxDescCache::fetchAfterWb ( )

inlineoverrideprotectedvirtual

Implements IGbE::DescCache< iGbReg::TxDesc >.

Definition at line 369 of file i8254xGBe.hh.

References Drainable::drainState(), IGbE::DescCache< iGbReg::TxDesc >::fetchDescriptors(), IGbE::DescCache< iGbReg::TxDesc >::igbe, Running, and IGbE::txTick.

◆ getPacketData()

void IGbE::TxDescCache::getPacketData ( EthPacketPtr p )

Definition at line 1658 of file i8254xGBe.cc.

References iGbReg::TxDesc::d1, iGbReg::TxDesc::d2, DPRINTF, iGbReg::TxdOp::getBuf(), iGbReg::TxdOp::getLen(), iGbReg::TxdOp::isData(), iGbReg::TxdOp::isLegacy(), MipsISA::p, and PciDevice::pciToDma().

Referenced by IGbE::txStateMachine().

◆ getPacketSize()

unsigned IGbE::TxDescCache::getPacketSize ( EthPacketPtr p )

Tell the cache to DMA a packet from main memory into its buffer and return the size the of the packet to reserve space in tx fifo.

Returns: size of the packet

Definition at line 1618 of file i8254xGBe.cc.

References iGbReg::TxDesc::d1, iGbReg::TxDesc::d2, DPRINTF, iGbReg::TxdOp::getLen(), and MipsISA::p.

Referenced by IGbE::txStateMachine().

◆ hasOutstandingEvents()

bool IGbE::TxDescCache::hasOutstandingEvents ( )

overridevirtual

Reimplemented from IGbE::DescCache< iGbReg::TxDesc >.

Definition at line 1994 of file i8254xGBe.cc.

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

◆ headerComplete()

void IGbE::TxDescCache::headerComplete ( )

Definition at line 1593 of file i8254xGBe.cc.

References DPRINTF, and iGbReg::TxdOp::getLen().

◆ nullCallback()

void IGbE::TxDescCache::nullCallback ( )

inline

Definition at line 458 of file i8254xGBe.hh.

References DPRINTF.

◆ packetAvailable()

bool IGbE::TxDescCache::packetAvailable ( )

Ask if the packet has been transfered so the state machine can give it to the fifo.

Returns: packet available in descriptor cache

Definition at line 1975 of file i8254xGBe.cc.

Referenced by IGbE::txStateMachine().

◆ packetMultiDesc()

bool IGbE::TxDescCache::packetMultiDesc ( )

inline

Ask if this packet is composed of multiple descriptors so even if we've got data, we need to wait for more before we can send it out.

Returns: packet can't be sent out because it's a multi-descriptor packet

Definition at line 437 of file i8254xGBe.hh.

References pktMultiDesc.

Referenced by IGbE::txStateMachine().

◆ packetWaiting()

bool IGbE::TxDescCache::packetWaiting ( )

inline

Ask if we are still waiting for the packet to be transfered.

Returns: packet still in transit.

Definition at line 429 of file i8254xGBe.hh.

References pktWaiting.

Referenced by IGbE::txStateMachine().

◆ pktComplete()

void IGbE::TxDescCache::pktComplete ( )

Called by event when dma to write packet is completed.

Definition at line 1706 of file i8254xGBe.cc.

References Net::cksum(), curTick(), iGbReg::TxDesc::d1, iGbReg::TxDesc::d2, DPRINTF, DTRACE, iGbReg::TxdOp::eop(), iGbReg::TxdOp::getLen(), ArmISA::ide, iGbReg::TxdOp::ip(), MipsISA::ip6, iGbReg::TxdOp::isData(), iGbReg::TxdOp::isLegacy(), iGbReg::TxdOp::ixsm(), Net::UdpHdr::len(), panic, ArmISA::rs, iGbReg::TxdOp::setDd(), Net::UdpHdr::sum(), iGbReg::TxdOp::tcp(), iGbReg::TxdOp::txsm(), iGbReg::TxdOp::vle(), and ArmISA::writeback.

Referenced by TxDescCache().

◆ processContextDesc()

void IGbE::TxDescCache::processContextDesc ( )

◆ serialize()

void IGbE::TxDescCache::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 1917 of file i8254xGBe.cc.

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

◆ unserialize()

void IGbE::TxDescCache::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 1946 of file i8254xGBe.cc.

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

◆ updateHead()

void IGbE::TxDescCache::updateHead ( long h )

inlineoverrideprotectedvirtual

Implements IGbE::DescCache< iGbReg::TxDesc >.

Definition at line 366 of file i8254xGBe.hh.

References IGbE::DescCache< iGbReg::TxDesc >::igbe, IGbE::regs, and iGbReg::Regs::tdh.

Member Data Documentation

◆ completionAddress

Addr IGbE::TxDescCache::completionAddress

protected

Definition at line 380 of file i8254xGBe.hh.

Referenced by completionWriteback().

◆ completionEnabled

bool IGbE::TxDescCache::completionEnabled

protected

Definition at line 381 of file i8254xGBe.hh.

Referenced by completionWriteback().

◆ descEnd

uint32_t IGbE::TxDescCache::descEnd

protected

Definition at line 382 of file i8254xGBe.hh.

◆ headerEvent

EventFunctionWrapper IGbE::TxDescCache::headerEvent

Definition at line 445 of file i8254xGBe.hh.

◆ isTcp

bool IGbE::TxDescCache::isTcp

protected

Definition at line 377 of file i8254xGBe.hh.

◆ nullEvent

EventFunctionWrapper IGbE::TxDescCache::nullEvent

Definition at line 461 of file i8254xGBe.hh.

◆ pktDone

bool IGbE::TxDescCache::pktDone

protected

Definition at line 376 of file i8254xGBe.hh.

◆ pktEvent

EventFunctionWrapper IGbE::TxDescCache::pktEvent

Definition at line 442 of file i8254xGBe.hh.

◆ pktMultiDesc

bool IGbE::TxDescCache::pktMultiDesc

protected

Definition at line 379 of file i8254xGBe.hh.

Referenced by packetMultiDesc().

◆ pktWaiting

bool IGbE::TxDescCache::pktWaiting

protected

Definition at line 378 of file i8254xGBe.hh.

Referenced by packetWaiting().

◆ tsoCopyBytes

Addr IGbE::TxDescCache::tsoCopyBytes

protected

Definition at line 397 of file i8254xGBe.hh.

◆ tsoDescBytesUsed

Addr IGbE::TxDescCache::tsoDescBytesUsed

protected

Definition at line 396 of file i8254xGBe.hh.

◆ tsoHeader

uint8_t IGbE::TxDescCache::tsoHeader[256]

protected

Definition at line 395 of file i8254xGBe.hh.

◆ tsoHeaderLen

Addr IGbE::TxDescCache::tsoHeaderLen

protected

Definition at line 387 of file i8254xGBe.hh.

◆ tsoLoadedHeader

bool IGbE::TxDescCache::tsoLoadedHeader

protected

Definition at line 393 of file i8254xGBe.hh.

◆ tsoMss

Addr IGbE::TxDescCache::tsoMss

protected

Definition at line 388 of file i8254xGBe.hh.

◆ tsoPktHasHeader

bool IGbE::TxDescCache::tsoPktHasHeader

protected

Definition at line 394 of file i8254xGBe.hh.

◆ tsoPktPayloadBytes

Addr IGbE::TxDescCache::tsoPktPayloadBytes

protected

Definition at line 392 of file i8254xGBe.hh.

◆ tsoPkts

int IGbE::TxDescCache::tsoPkts

protected

Definition at line 398 of file i8254xGBe.hh.

◆ tsoPrevSeq

Addr IGbE::TxDescCache::tsoPrevSeq

protected

Definition at line 391 of file i8254xGBe.hh.

◆ tsoTotalLen

Addr IGbE::TxDescCache::tsoTotalLen

protected

Definition at line 389 of file i8254xGBe.hh.

◆ tsoUsedLen

Addr IGbE::TxDescCache::tsoUsedLen

protected

Definition at line 390 of file i8254xGBe.hh.

◆ useTso

bool IGbE::TxDescCache::useTso

protected

Definition at line 386 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

◆ TxDescCache()

Member Function Documentation

◆ actionAfterWb()

◆ completionWriteback()

◆ descBase()

◆ descHead()

◆ descInBlock()

◆ descLen()

◆ descTail()

◆ enableSm()

◆ fetchAfterWb()

◆ getPacketData()

◆ getPacketSize()

◆ hasOutstandingEvents()

◆ headerComplete()

◆ nullCallback()

◆ packetAvailable()

◆ packetMultiDesc()

◆ packetWaiting()

◆ pktComplete()

◆ processContextDesc()

◆ serialize()

◆ unserialize()

◆ updateHead()

Member Data Documentation

◆ completionAddress

◆ completionEnabled

◆ descEnd

◆ headerEvent

◆ isTcp

◆ nullEvent

◆ pktDone

◆ pktEvent

◆ pktMultiDesc

◆ pktWaiting

◆ tsoCopyBytes

◆ tsoDescBytesUsed

◆ tsoHeader

◆ tsoHeaderLen

◆ tsoLoadedHeader

◆ tsoMss

◆ tsoPktHasHeader

◆ tsoPktPayloadBytes

◆ tsoPkts

◆ tsoPrevSeq

◆ tsoTotalLen

◆ tsoUsedLen

◆ useTso