NetworkStack Class Reference

#include <NetworkStack.h>

Inheritance diagram for NetworkStack:

Collaboration diagram for NetworkStack:

Classes
class	Packet

Public Member Functions
void	receive (size_t nBytes, uintptr_t packet, Network *pCard, uint32_t offset)
void	registerDevice (Network *pDevice)
Network *	getDevice (size_t n)
size_t	getNumDevices ()
void	deRegisterDevice (Network *pDevice)
void	setLoopback (Network *pCard)
Network *	getLoopback ()
MemoryPool &	getMemPool ()
struct netif *	getInterface (Network *pCard) const
Public Member Functions inherited from RequestQueue
	RequestQueue (const String &name)
virtual void	initialise ()
virtual void	destroy ()
MUST_USE_RESULT uint64_t	addRequest (size_t priority, uint64_t p1=0, uint64_t p2=0, uint64_t p3=0, uint64_t p4=0, uint64_t p5=0, uint64_t p6=0, uint64_t p7=0, uint64_t p8=0)
MUST_USE_RESULT uint64_t	addRequest (size_t priority, ActionOnDuplicate action, uint64_t p1=0, uint64_t p2=0, uint64_t p3=0, uint64_t p4=0, uint64_t p5=0, uint64_t p6=0, uint64_t p7=0, uint64_t p8=0)
uint64_t	addAsyncRequest (size_t priority, uint64_t p1=0, uint64_t p2=0, uint64_t p3=0, uint64_t p4=0, uint64_t p5=0, uint64_t p6=0, uint64_t p7=0, uint64_t p8=0)
void	halt ()
void	resume ()

Static Public Member Functions
static NetworkStack &	instance ()

Private Member Functions
virtual uint64_t	executeRequest (uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4, uint64_t p5, uint64_t p6, uint64_t p7, uint64_t p8)

Private Attributes
Network *	m_pLoopback
Vector< Network * >	m_Children
MemoryPool	m_MemPool
Mutex	m_Lock
Tree< Network *, struct netif * >	m_Interfaces
size_t	m_NextInterfaceNumber

Static Private Attributes
static NetworkStack *	stack = 0

Additional Inherited Members
Public Types inherited from RequestQueue
enum	ActionOnDuplicate { Block, NewRequest, ReturnImmediately }
Protected Member Functions inherited from RequestQueue
	RequestQueue (const RequestQueue &)
void	operator= (const RequestQueue &)
virtual bool	compareRequests (const Request &a, const Request &b)
bool	isRequestValid (const Request *r)
int	work ()
Request *	getNextRequest ()
Static Protected Member Functions inherited from RequestQueue
static int	trampoline (void *p)
static int	doAsync (void *p)
Protected Attributes inherited from RequestQueue
Request *	m_pRequestQueue [REQUEST_QUEUE_NUM_PRIORITIES]
volatile bool	m_Stop
Mutex	m_RequestQueueMutex
ConditionVariable	m_RequestQueueCondition
ConditionVariable	m_AsyncRequestQueueCondition
Thread *	m_pThread
bool	m_Halted
Mutex	m_HaltAcknowledged
RequestQueueOverrunChecker	m_OverrunChecker
size_t	m_nMaxAsyncRequests
size_t	m_nAsyncRequests
size_t	m_nTotalRequests
String	m_Name

Detailed Description

The Pedigree network stack This function is the base for receiving packets, and provides functionality for keeping track of network devices in the system.

Definition at line 40 of file NetworkStack.h.

Member Function Documentation

void NetworkStack::deRegisterDevice

(

Network *

pDevice

)

Unregisters a given network device from the stack

Definition at line 272 of file NetworkStack.cc.

References MemoryPool::allocateNow(), Vector< T >::begin(), Vector< T >::end(), Vector< T >::erase(), MemoryPool::free(), instance(), Device::m_Children, m_MemPool, and netif_remove().

uint64_t NetworkStack::executeRequest ( uint64_t  p1, uint64_t  p2, uint64_t  p3, uint64_t  p4, uint64_t  p5, uint64_t  p6, uint64_t  p7, uint64_t  p8  )

privatevirtual

Callback - classes are expected to inherit and override this function. It's called when a request needs to be executed (by the worker thread).

Implements RequestQueue.

Definition at line 159 of file NetworkStack.cc.

References netif::input.

Network * NetworkStack::getDevice

(

size_t

n

)

Returns the n'th registered network device

Definition at line 262 of file NetworkStack.cc.

References Device::m_Children.

struct netif* NetworkStack::getInterface ( Network *  pCard ) const

inline

Get an interface for a card.

Definition at line 126 of file NetworkStack.h.

Network* NetworkStack::getLoopback ( )

inline

Gets the loopback device for the stack

Definition at line 75 of file NetworkStack.h.

MemoryPool& NetworkStack::getMemPool ( )

inline

Grabs the memory pool for networking use

Definition at line 81 of file NetworkStack.h.

Referenced by Dm9601::initialiseDriver(), Dm9601::send(), and Ne2k::send().

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size_t NetworkStack::getNumDevices

(

)

Returns the number of devices registered with the stack

Definition at line 267 of file NetworkStack.cc.

References Vector< T >::count(), and Device::m_Children.

static NetworkStack& NetworkStack::instance ( )

inlinestatic

For access to the stack without declaring an instance of it

Definition at line 47 of file NetworkStack.h.

Referenced by CdiNet::CdiNet(), deRegisterDevice(), Dm9601::initialiseDriver(), Ne2k::Ne2k(), Nic3C90x::Nic3C90x(), Dm9601::send(), Rtl8139::send(), Loopback::send(), Ne2k::send(), and CdiNet::setStationInfo().

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void NetworkStack::receive	(	size_t	nBytes,
		uintptr_t	packet,
		Network *	pCard,
		uint32_t	offset
	)

Called when a packet arrives

Definition at line 178 of file NetworkStack.cc.

References Network::droppedPacket(), ERROR, NetworkFilter::instance(), pbuf::len, pbuf::next, pbuf::payload, pbuf_alloc(), PBUF_POOL, and PBUF_RAW.

Referenced by Dm9601::initialiseDriver(), Nic3C90x::Nic3C90x(), Rtl8139::send(), Loopback::send(), Ne2k::send(), and CdiNet::setStationInfo().

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void NetworkStack::registerDevice

(

Network *

pDevice

)

Registers a given network device with the stack

Definition at line 226 of file NetworkStack.cc.

References FATAL, Device::m_Children, netif::name, netif_add(), netif::num, Vector< T >::pushBack(), and tcpip_input().

Referenced by CdiNet::CdiNet(), Dm9601::initialiseDriver(), Ne2k::Ne2k(), and Nic3C90x::Nic3C90x().

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void NetworkStack::setLoopback ( Network *  pCard )

inline

Sets the loopback device for the stack

Definition at line 69 of file NetworkStack.h.

Member Data Documentation

Vector<Network *> NetworkStack::m_Children

private

Network devices registered with the stack.

Definition at line 142 of file NetworkStack.h.

Tree<Network *, struct netif *> NetworkStack::m_Interfaces

private

lwIP interfaces for each of our cards.

Definition at line 152 of file NetworkStack.h.

MemoryPool NetworkStack::m_MemPool

private

Networking memory pool

Definition at line 145 of file NetworkStack.h.

Referenced by deRegisterDevice().

size_t NetworkStack::m_NextInterfaceNumber

private

Next interface number to assign.

Definition at line 155 of file NetworkStack.h.

Network* NetworkStack::m_pLoopback

private

Loopback device

Definition at line 139 of file NetworkStack.h.

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

• NetworkStack.h
• NetworkStack.cc