Difference between revisions of "Unit Network"

Revision as of 02:29, 27 March 2017

Device Properties
`Device:TDevice;`	The Device entry for this Network
Network Properties
`NetworkId:LongWord;`	Unique Id of this Network in the Network table
`NetworkState:LongWord;`	Network state (eg NETWORK_STATE_OPEN)
`NetworkStatus:LongWord;`	Network status (eg NETWORK_STATUS_UP)
`DeviceOpen:TNetworkDeviceOpen;`	A Device specific DeviceOpen method implementing a standard Network device interface
`DeviceClose:TNetworkDeviceClose;`	A Device specific DeviceClose method implementing a standard Network device interface
`DeviceRead:TNetworkDeviceRead;`	A Device specific DeviceRead method implementing a standard Network device interface
`DeviceWrite:TNetworkDeviceWrite;`	A Device specific DeviceWrite method implementing a standard Network device interface
`DeviceControl:TNetworkDeviceControl;`	A Device specific DeviceControl method implementing a standard Network device interface
`BufferAllocate:TNetworkBufferAllocate;`	A Device specific BufferAllocate method implementing a standard Network device interface
`BufferRelease:TNetworkBufferRelease;`	A Device specific BufferRelease method implementing a standard Network device interface
`BufferReceive:TNetworkBufferReceive;`	A Device specific BufferReceive method implementing a standard Network device interface
`BufferTransmit:TNetworkBufferTransmit;`	A Device specific BufferTransmit method implementing a standard Network device interface
Driver Properties
`Lock:TMutexHandle;`	Network lock
`Buffer:TNetworkBuffer;`	Network receive buffer
`TransmitWait:TSemaphoreHandle;`	Transmit complete semaphore
`ReceiveBuffer:TBufferHandle;`	Buffer for receive packets
`TransmitBuffer:TBufferHandle;`	Buffer for transmit packets

`ReceiveQueue:TNetworkQueue;`	Queue for receive packets
`TransmitQueue:TNetworkQueue;`	Queue for transmit packets (If applicable)
Statistics Properties
`ReceiveCount:LongWord;`
`ReceiveErrors:LongWord;`
`TransmitCount:LongWord;`
`TransmitErrors:LongWord;`
`BufferOverruns:LongWord;`
`BufferUnavailable:LongWord;`
Internal Properties
`Prev:PNetworkDevice;`	Previous entry in Network table
`Next:PNetworkDevice;`	Next entry in Network table

Network event callback

`TNetworkEventCallback = function(Data:Pointer; Event:LongWord):LongWord;`

Network Event

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PNetworkEvent = ^TNetworkEvent;

TNetworkEvent = record

Packet fragment

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PPacketFragment = ^TPacketFragment;

TPacketFragment = packed record

Ethernet 802.3 network

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PLLCHeader = ^TLLCHeader;

TLLCHeader = packed record

Ethernet SNAP network

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PSNAPHeader = ^TSNAPHeader;

TSNAPHeader = packed record

Token ring network

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PTokenRingAddress = ^TTokenRingAddress;

TTokenRingAddress = array[0..5] of Byte;

Token ring header

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PTokenRingHeader = ^TTokenRingHeader;

TTokenRingHeader = packed record

Adapter params

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PAdapterParams = ^TAdapterParams;

TAdapterParams = packed record

Network params

[Expand]

PNetworkParams = ^TNetworkParams;

TNetworkParams = packed record

Adapter statistics

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PAdapterStatistics = ^TAdapterStatistics;

TAdapterStatistics = record

Ethernet address

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PEthernetAddress = ^TEthernetAddress;

TEthernetAddress = array[0..ETHERNET_ADDRESS_SIZE - 1] of Byte;

Ethernet header

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PEthernetHeader = ^TEthernetHeader;

TEthernetHeader = packed record

Adapter callback

`TAdapterCallback = function(AAdapter:TNetworkAdapter):Boolean of object;`

Adapter packet handler

`TAdapterPacketHandler = function(AHandle:THandle; ASource,ADest,APacket:Pointer; ASize:Integer; ABroadcast:Boolean):Boolean of object;`

Adapter monitor handler

`TAdapterMonitorHandler = function(AHandle:THandle; APacket:Pointer; ASize:Integer; AStatus:Pointer):Boolean of object;`

Adapter authenticator handler

`TAdapterAuthenticatorHandler = function(AHandle:THandle; ACommand:Word):Boolean of object;`

Class definitions

Adapter manager

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TAdapterManager = class(TObject)

Adapter transport

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TAdapterTransport = class(TListObject)

Adapter binding

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TAdapterBinding = class(TListObject)

Adapter monitor

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TAdapterMonitor = class(TListObject)

Adapter authenticator

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TAdapterAuthenticator = class(TListObject)

Network list

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TNetworkList = class(TLinkedObjList)

Network adapter

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TNetworkAdapter = class(TListObject)

`constructor Create(AManager:TAdapterManager; ADevice:PNetworkDevice; const AName:String);`
`destructor Destroy; override;`
private
`FLock:TSynchronizerHandle;`
protected
`FManager:TAdapterManager;`
`FDevice:PNetworkDevice;`
`FName:String;`

`FState:Integer;`
`FStatus:Integer;`
`FMediaType:Word;`	Physical Media type (Ethernet/Tokenring etc)
`FAdapterType:Word;`
`FLastError:Integer;`
`FThread:TAdapterThread;`	Thread for adapter receiving
`FBindings:TNetworkList;`	List of TAdapterBinding objects
`FTransports:TNetworkList;`	List of TAdapterTransport objects
`FMonitors:TNetworkList;`	List of TAdapterMonitor objects
`FAuthenticators:TNetworkList;`	List of TAdapterAuthenticator objects

`FStatistics:TAdapterStatistics;`

`function GetThreadID:TThreadID;`

`function GetTransportByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TAdapterTransport;`
`function GetTransportByType(APacketType,AFrameType:Word; ALock:Boolean; AState:LongWord):TAdapterTransport;`
`function GetTransportByTransport(ATransport:TAdapterTransport; ALock:Boolean; AState:LongWord):TAdapterTransport;`
`function GetTransportByNext(APrevious:TAdapterTransport; ALock,AUnlock:Boolean; AState:LongWord):TAdapterTransport;`

`function GetBindingByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TAdapterBinding;`
`function GetBindingByType(ATransport:TAdapterTransport; APacketType,AFrameType:Word; ALock:Boolean; AState:LongWord):TAdapterBinding;`
`function GetBindingByTransport(ATransport:TAdapterTransport; ALock:Boolean; AState:LongWord):TAdapterBinding;`
`function GetBindingByBinding(ABinding:TAdapterBinding; ALock:Boolean; AState:LongWord):TAdapterBinding;`
`function GetBindingByNext(APrevious:TAdapterBinding; ALock,AUnlock:Boolean; AState:LongWord):TAdapterBinding;`

`function GetMonitorByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TAdapterMonitor;`
`function GetMonitorByMonitor(AMonitor:TAdapterMonitor; ALock:Boolean; AState:LongWord):TAdapterMonitor;`
`function GetMonitorByNext(APrevious:TAdapterMonitor; ALock,AUnlock:Boolean; AState:LongWord):TAdapterMonitor;`

`function GetAuthenticatorByHandle(AHandle:THandle; ALock:Boolean; AState:LongWord):TAdapterAuthenticator;`
`function GetAuthenticatorByType(AAuthType:Word; ALock:Boolean; AState:LongWord):TAdapterAuthenticator;`
`function GetAuthenticatorByAuthenticator(AAuthenticator:TAdapterAuthenticator; ALock:Boolean; AState:LongWord):TAdapterAuthenticator;`
`function GetAuthenticatorByNext(APrevious:TAdapterAuthenticator; ALock,AUnlock:Boolean; AState:LongWord):TAdapterAuthenticator;`

`function AddBinding(ATransport:TAdapterTransport; APacketType,AFrameType:Word):THandle; virtual;`
`function RemoveBinding(AHandle:THandle; APacketType:Word):Boolean; virtual;`
public
`property Manager:TAdapterManager read FManager;`
`property Device:PNetworkDevice read FDevice;`
`property Name:String read FName;`

`property State:Integer read FState;`
`property Status:Integer read FStatus;`
`property MediaType:Word read FMediaType;`
`property AdapterType:Word read FAdapterType;`
`property LastError:Integer read FLastError;`
`property ThreadID:TThreadID read GetThreadID;`

`function ReaderLock:Boolean;`
`function ReaderUnlock:Boolean;`
`function WriterLock:Boolean;`
`function WriterUnlock:Boolean;`

`function AddTransport(APacketType,AFrameType:Word; const APacketName:String; APacketHandler:TAdapterPacketHandler):THandle; virtual;`
`function RemoveTransport(AHandle:THandle; APacketType:Word):Boolean; virtual;`

`function AddMonitor(AMonitorHandler:TAdapterMonitorHandler):THandle; virtual;`
`function RemoveMonitor(AHandle:THandle):Boolean; virtual;`

`function AddAuthenticator(AAuthType:Word; AAuthenticatorHandler:TAdapterAuthenticatorHandler):THandle; virtual;`
`function RemoveAuthenticator(AHandle:THandle; AAuthType:Word):Boolean; virtual;`

`function GetMTU(AHandle:THandle):Word; virtual;`

`function SendPacket(AHandle:THandle; ADest:Pointer; APacket:PPacketFragment; ASize:Integer):Boolean; virtual;`

`function ResetInterface(AHandle:THandle):Boolean; virtual;`
`function TerminateDriver(AHandle:THandle):Boolean; virtual;`

`function GetReceiveMode(AHandle:THandle):Word; virtual;`
`function SetReceiveMode(AHandle:THandle; AMode:Word):Boolean; virtual;`

`function GetAdapterParams(AHandle:THandle):TAdapterParams; virtual;`
`function GetNetworkParams(AHandle:THandle):TNetworkParams; virtual;`
`function GetStatistics(AHandle:THandle):TAdapterStatistics; virtual;`

`function GetDefaultAddress(AHandle:THandle):THardwareAddress; virtual;`
`function GetHardwareAddress(AHandle:THandle):THardwareAddress; virtual;`
`function SetHardwareAddress(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`
`function GetBroadcastAddress(AHandle:THandle):THardwareAddress; virtual;`
`function GetMulticastAddresses(AHandle:THandle):TMulticastAddresses; virtual;`
;
`function AddMulticastAddress(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`
`function RemoveMulticastAddress(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`

`function StartAdapter:Boolean; virtual;`
`function StopAdapter:Boolean; virtual;`
`function ProcessStatus:Boolean; virtual;`
`function ProcessAdapter:Boolean; virtual;`

`function CompareAddress(const AAddress1,AAddress2:THardwareAddress):Boolean; virtual;`
`function CompareDefault(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`
`function CompareHardware(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`
`function CompareBroadcast(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`
`function CompareMulticast(AHandle:THandle; const AAddress:THardwareAddress):Boolean; virtual;`

Adapter thread

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TAdapterThread = class(TThread)

Adapter buffer

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TAdapterBuffer = class(TObject)

Wired adapter

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TWiredAdapter = class(TNetworkAdapter)

Network setting

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TNetworkSetting = class(TListObject)

Network settings

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TNetworkSettings = class(TObject)

`constructor Create;`
`destructor Destroy; override;`
private
`FLock:TSynchronizerHandle;`
`FLocalLock:TMutexHandle;`

`FHostName:String;`
`FDomainName:String;`
`FList:TLinkedObjList;`

`function ReaderLock:Boolean;`
`function ReaderUnlock:Boolean;`
`function WriterLock:Boolean;`
`function WriterUnlock:Boolean;`

`function AcquireLock:Boolean;`
`function ReleaseLock:Boolean;`

`function GetHostName:String;`
`procedure SetHostName(const AHostName:String);`

`function GetDomainName:String;`
`procedure SetDomainName(const ADomainName:String);`

`function ExtractName(const AValue,AToken:String):String;`
`function ExtractValue(const AValue,AToken:String):String;`
`function ExtractPrefix(const AValue:String):String;`

`function SplitName(const AName:String):String;`
`function SplitPrefix(const AName:String):String;`

`function MergePrefix(const APrefix,AName:String):String;`

`function TranslateString(const AValue,ADefault:String):String;`
`function TranslateInteger(const AValue:String; ADefault:Integer):Integer;`
`function TranslateBoolean(const AValue:String; ADefault:Boolean):Boolean;`

`function GetFromList(const AName:String):TNetworkSetting;`

`function FindFromList(const AName:String):String;`
`function FindFromEnvironment(const AName:String):String;`
public
`property HostName:String read GetHostName write SetHostName;`
`property DomainName:String read GetDomainName write SetDomainName;`

`function GetString(const AName:String):String;`
`function GetStringDefault(const AName,ADefault:String):String;`

`function GetInteger(const AName:String):Integer;`
`function GetIntegerDefault(const AName:String; ADefault:Integer):Integer;`

`function GetBoolean(const AName:String):Boolean;`
`function GetBooleanDefault(const AName:String; ADefault:Boolean):Boolean;`

`function AddString(const AName,AValue:String):Boolean;`
`function AddInteger(const AName:String; AValue:Integer):Boolean;`
`function AddBoolean(const AName:String; AValue:Boolean):Boolean;`

`function Remove(const AName:String):Boolean;`

`function LoadFromFile(const AFileName:String; AFlat:Boolean):Boolean;`
`function LoadFromStream(AStream:TStream; AFlat:Boolean):Boolean;`
`function LoadFromStrings(AStrings:TStrings; AFlat:Boolean):Boolean;`

`function SaveToFile(const AFileName:String; AFlat:Boolean):Boolean;`
`function SaveToStream(AStream:TStream; AFlat:Boolean):Boolean;`
`function SaveToStrings(AStrings:TStrings; AFlat:Boolean):Boolean;`

`function LoadFromEnvironment:Boolean;`

Service set

[Expand]

TServiceSet = class(TListObject)

Public variables

Network logging

`NETWORK_DEFAULT_LOG_LEVEL:LongWord = NETWORK_LOG_LEVEL_DEBUG;`	Minimum level for Network messages. Only messages with level greater than or equal to this will be printed.

`NETWORK_LOG_ENABLED:Boolean;`

Function declarations

Initialization functions

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procedure NetworkInit;

Description: To be documented

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function NetworkStart:LongWord;

Description: To be documented

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function NetworkStop:LongWord;

Description: To be documented

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function NetworkStartCompleted:Boolean;

Description: To be documented

Network functions

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function NetworkDeviceOpen(Network:PNetworkDevice):LongWord;

Description: To be documented

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function NetworkDeviceClose(Network:PNetworkDevice):LongWord;

Description: To be documented

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function NetworkDeviceRead(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;

Description: To be documented

[Expand]

function NetworkDeviceWrite(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;

Description: To be documented

[Expand]

function NetworkDeviceControl(Network:PNetworkDevice; Request:Integer; Argument1:PtrUInt; var Argument2:PtrUInt):LongWord;

Description: To be documented

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function NetworkBufferAllocate(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;

Description: Allocate a transmit buffer from the specified network device, the returned entry will include a buffer for writing data to as well as an offfset value to allow the driver data to be written to the start of the buffer. When the data has been copied to the buffer, pass the entry to NetworkBufferTransmit.

[Expand]

function NetworkBufferRelease(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;

Description: Release a receive buffer to the specified network device, the entry must have been returned from NetworkBufferReceive

[Expand]

function NetworkBufferReceive(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;

Description: Receive a completed receive buffer from the specified network device. The returned entry will contain a one or more packets of data to read from. When the data has been processed pass the returned buffer to NetworkBufferRelease.

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function NetworkBufferTransmit(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;

Description: Transmit a completed transmit buffer to the specified network device. The entry must have been allocated using NetworkBufferAllocate.

[Expand]

function NetworkDeviceSetState(Network:PNetworkDevice; State:LongWord):LongWord;

Description: Set the state of the specified network and send a notification

[Expand]

function NetworkDeviceSetStatus(Network:PNetworkDevice; Status:LongWord):LongWord;

Description: Set the status of the specified network and send a notification

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function NetworkDeviceCreate:PNetworkDevice;

Description: Create a new Network entry

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function NetworkDeviceCreateEx(Size:LongWord):PNetworkDevice;

Description: Create a new Network entry

[Expand]

function NetworkDeviceDestroy(Network:PNetworkDevice):LongWord;

Description: Destroy an existing Network entry

[Expand]

function NetworkDeviceRegister(Network:PNetworkDevice):LongWord;

Description: Register a new Network in the Network table

[Expand]

function NetworkDeviceDeregister(Network:PNetworkDevice):LongWord;

Description: Deregister a Network from the Network table

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function NetworkDeviceFind(NetworkId:LongWord):PNetworkDevice;

Description: To be documented

[Expand]

function NetworkDeviceFindByName(const Name:String):PNetworkDevice; inline;

Description: To be documented

[Expand]

function NetworkDeviceFindByDescription(const Description:String):PNetworkDevice; inline;

Description: To be documented

[Expand]

function NetworkDeviceEnumerate(Callback:TNetworkEnumerate; Data:Pointer):LongWord;

Description: To be documented

[Expand]

function NetworkDeviceNotification(Network:PNetworkDevice; Callback:TNetworkNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;

Description: To be documented

[Expand]

function NetworkEventAllocate(Callback:TNetworkEventCallback; Data:Pointer; Event:LongWord):PNetworkEvent;

Description: Create and Register a new Event entry in the Event table

[Expand]

function NetworkEventRelease(Event:PNetworkEvent):LongWord;

Description: Deregister and Destroy a Event from the Event table

[Expand]

function NetworkEventRegister(Callback:TNetworkEventCallback; Data:Pointer; Event:LongWord):THandle;

Description: Register a callback for one or more network events

[Expand]

function NetworkEventDeregister(Handle:THandle):LongWord;

Description: Deregister a network event callback

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function NetworkEventNotify(Event:LongWord):LongWord;

Description: To be documented

RTL network functions

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function SysHostGetName:String;

Description: To be documented

[Expand]

function SysHostSetName(const AName:String):Boolean;

Description: To be documented

[Expand]

function SysHostGetDomain:String;

Description: To be documented

[Expand]

function SysHostSetDomain(const ADomain:String):Boolean;

Description: To be documented

Network helper functions

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function NetworkGetCount:LongWord; inline;

Description: Get the current network count

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function NetworkDeviceCheck(Network:PNetworkDevice):PNetworkDevice;

Description: Check if the supplied Network is in the network table

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function NetworkDeviceTypeToString(NetworkType:LongWord):String;

Description: To be documented

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function NetworkDeviceStateToString(NetworkState:LongWord):String;

Description: To be documented

[Expand]

function NetworkDeviceStatusToString(NetworkStatus:LongWord):String;

Description: To be documented

[Expand]

function NetworkDeviceStateToNotification(State:LongWord):LongWord;

Description: Convert a Network state value into the notification code for device notifications

[Expand]

function NetworkDeviceStatusToNotification(Status:LongWord):LongWord;

Description: Convert a Network status value into the notification code for device notifications

[Expand]

function NetworkEventCheck(Event:PNetworkEvent):PNetworkEvent;

Description: Check if the supplied Event is in the event table

[Expand]

procedure NetworkLog(Level:LongWord; Network:PNetworkDevice; const AText:String);

Description: To be documented

[Expand]

procedure NetworkLogInfo(Network:PNetworkDevice; const AText:String);

Description: To be documented

[Expand]

procedure NetworkLogError(Network:PNetworkDevice; const AText:String);

Description: To be documented

[Expand]

procedure NetworkLogDebug(Network:PNetworkDevice; const AText:String);

Description: To be documented

[Expand]

function HardwareAddressToString(const AAddress:THardwareAddress):String;

Description: To be documented

[Expand]

function StringToHardwareAddress(const AAddress:String):THardwareAddress;

Description: To be documented

[Expand]

function CompareHardwareAddress(const AAddress1,AAddress2:THardwareAddress):Boolean;

Description: To be documented

[Expand]

function CompareHardwareDefault(const AAddress:THardwareAddress):Boolean;

Description: To be documented

[Expand]

function CompareHardwareBroadcast(const AAddress:THardwareAddress):Boolean;

Description: To be documented

[Expand]

function CompareHardwareMulticast(const AAddress:THardwareAddress):Boolean;

Description: To be documented

[Expand]

function AdapterTypeToString(AType:Word):String;

Description: To be documented

[Expand]

function AdapterModeToString(AMode:Word):String;

Description: To be documented

[Expand]

function AdapterConfigToString(AConfig:Word):String;

Description: To be documented

[Expand]

function AdapterStateToString(AState:Integer):String;

Description: To be documented

[Expand]

function AdapterStatusToString(AStatus:Integer):String;

Description: To be documented

[Expand]

function FrameTypeToString(AType:Word):String;

Description: To be documented

[Expand]

function MediaTypeToString(AType:Word):String;

Description: To be documented

[Expand]

function PacketTypetoString(AType:Word):String;

Description: To be documented

[Expand]

function ConfigTypeToString(AType:Word):String;

Description: To be documented

[Expand]

function ConfigCommandToString(ACommand:Word):String;

Description: To be documented

[Expand]

function AuthTypeToString(AType:Word):String;

Description: To be documented

[Expand]

function AuthCommandToString(ACommand:Word):String;

Description: To be documented

Return to Unit Reference

@@ Line 25: / Line 25: @@
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-<div style="font-size: 14px; padding-left: 12px;">'''Network device type constants''' <code> NETWORK_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network device type''' <code> NETWORK_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network device state constants''' <code> NETWORK_STATE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network device state''' <code> NETWORK_STATE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network device status constants''' <code> NETWORK_STATUS_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network device status''' <code> NETWORK_STATUS_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network device flag constants''' <code> NETWORK_FLAG_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network device flag''' <code> NETWORK_FLAG_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network device control code constants''' <code> NETWORK_CONTROL_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network device control code''' <code> NETWORK_CONTROL_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network lock state constants''' <code> NETWORK_LOCK_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network lock state''' <code> NETWORK_LOCK_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network buffer size constants''' <code> NETWORK_BUFFER_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network buffer size''' <code> NETWORK_BUFFER_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network event constants''' <code>  NETWORK_EVENT_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network event''' <code>  NETWORK_EVENT_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network event signature constants''' <code> NETWORK_EVENT_SIGNATURE* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network event signature''' <code> NETWORK_EVENT_SIGNATURE* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network event state constants''' <code> NETWORK_EVENT_STATE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network event state''' <code> NETWORK_EVENT_STATE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network event flag constants''' <code> NETWORK_EVENT_FLAG_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network event flag''' <code> NETWORK_EVENT_FLAG_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Adapter type constants''' <code> ADAPTER_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Adapter type''' <code> ADAPTER_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Adapter thread constants''' <code> ADAPTER_THREAD_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Adapter thread''' <code> ADAPTER_THREAD_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Adapter state constants''' <code> ADAPTER_STATE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Adapter state''' <code> ADAPTER_STATE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Adapter status constants''' <code> ADAPTER_STATUS_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Adapter status''' <code> ADAPTER_STATUS_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Configuration type constants''' <code> CONFIG_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Configuration type''' <code> CONFIG_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Authentication type constants''' <code> AUTH_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Authentication type''' <code> AUTH_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Frame type constants''' <code> FRAME_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Frame type''' <code> FRAME_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Configuration command constants''' <code> CONFIG_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Configuration command''' <code> CONFIG_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Authentication command constants''' <code> AUTH_COMMAND_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Authentication command''' <code> AUTH_COMMAND_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Multicast addressing constants''' <code> MAX_MULTICAST_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Multicast addressing''' <code> MAX_MULTICAST_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Hardware addressing constants''' <code> HARDWARE_ADDRESS_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Hardware addressing''' <code> HARDWARE_ADDRESS_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Media type constants''' <code> MEDIA_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Media type''' <code> MEDIA_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Packet type constants''' <code> PACKET_TYPE_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Packet type''' <code> PACKET_TYPE_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Ethernet network constants''' <code> *_ETHERNET_PACKET </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Ethernet network''' <code> *_ETHERNET_PACKET </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Ethernet 802.3 network constants ''' <code> LLC_HEADER_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Ethernet 802.3 network''' <code> LLC_HEADER_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Ethernet SNAP network constants ''' <code> SNAP_HEADER_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Ethernet SNAP network''' <code> SNAP_HEADER_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Service set constants''' <code> SERVICE_SET_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Service set''' <code> SERVICE_SET_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Network logging constants''' <code> NETWORK_LOG_* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Network logging''' <code> NETWORK_LOG_* </code></div>
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-<div style="font-size: 14px; padding-left: 12px;">'''Ethernet specific size constants''' <code> ETHERNET_*_SIZE* </code></div>
+<div style="font-size: 14px; padding-left: 12px;">'''Ethernet size''' <code> ETHERNET_*_SIZE* </code></div>
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 |-
 | <code>NETWORK_DEFAULT_LOG_LEVEL:LongWord = NETWORK_LOG_LEVEL_DEBUG;</code>
-| style="width: 65%;"|Minimum level for Network messages. Only messages with level greater than or equal to this will be printed.
+| style="width: 40%;"|Minimum level for Network messages. Only messages with level greater than or equal to this will be printed.
 |-
 |}
@@ Line 2,613: / Line 2,613: @@
 |-
 | <code>NETWORK_LOG_ENABLED:Boolean;</code>
-| style="width: 65%;"|
+| style="width: 40%;"|
 |-
 |}

`NETWORK_TYPE_NONE = 0;`
`NETWORK_TYPE_ETHERNET = 1;`
`NETWORK_TYPE_TOKENRING = 2;`
`NETWORK_TYPE_80211 = 3;`	IEEE 802.11 Wireless (WiFi) network

`NETWORK_TYPE_MAX = 3;`

`NETWORK_STATE_CLOSED = 0;`
`NETWORK_STATE_CLOSING = 1;`
`NETWORK_STATE_OPENING = 2;`
`NETWORK_STATE_OPEN = 3;`

`NETWORK_STATE_MAX = 3;`

`NETWORK_FLAG_NONE = $00000000;`
`NETWORK_FLAG_RX_BUFFER = $00000001;`	Device supports Receive Buffer (NetworkBufferReceive/NetworkBufferRelease)
`NETWORK_FLAG_TX_BUFFER = $00000002;`	Device supports Transmit Buffer (NetworkBufferAllocate/NetworkBufferTransmit)

`NETWORK_CONTROL_CLEAR_STATS = 1;`	Clear Statistics
`NETWORK_CONTROL_SET_MAC = 2;`	Set the MAC for this device
`NETWORK_CONTROL_GET_MAC = 3;`	Get the MAC for this device
`NETWORK_CONTROL_SET_LOOPBACK = 4;`	Set Loopback Mode
`NETWORK_CONTROL_RESET = 5;`	Reset the device
`NETWORK_CONTROL_DISABLE = 6;`	Disable the device
`NETWORK_CONTROL_GET_BROADCAST = 8;`	Get Broadcast address for this device
`NETWORK_CONTROL_GET_MTU = 9;`	Get MTU for this device
`NETWORK_CONTROL_GET_HEADERLEN = 10;`	Get Header length for this device

Difference between revisions of "Unit Network"

Revision as of 02:29, 27 March 2017

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`NETWORK_STATUS_DOWN = 0;`
`NETWORK_STATUS_UP = 1;`

`NETWORK_STATUS_MAX = 1;`

`NETWORK_LOCK_NONE = 0;`
`NETWORK_LOCK_READ = 1;`
`NETWORK_LOCK_WRITE = 2;`

`NETWORK_EVENT_NONE = $00000000;`
`NETWORK_EVENT_SYSTEM_START = $00000001;`	The network sub system is starting
`NETWORK_EVENT_SYSTEM_STOP = $00000002;`	The network sub system has stopped
`NETWORK_EVENT_ADAPTERS_START = $00000004;`	All network adapters are being started
`NETWORK_EVENT_ADAPTERS_STOP = $00000008;`	All network adapters have been stopped
`NETWORK_EVENT_TRANSPORTS_START = $00000010;`	All network transports are being started
`NETWORK_EVENT_TRANSPORTS_STOP = $00000020;`	All network transports have been stopped
`NETWORK_EVENT_PROTOCOLS_START = $00000040;`	All network protocols are being started
`NETWORK_EVENT_PROTOCOLS_STOP = $00000080;`	All network protocols have been stopped

`NETWORK_EVENT_STATE_UNREGISTERED = 0;`
`NETWORK_EVENT_STATE_REGISTERED = 1;`

`ADAPTER_TYPE_UNKNOWN = 0;`
`ADAPTER_TYPE_WIRED = 1;`
`ADAPTER_TYPE_LOOPBACK = 2;`
`ADAPTER_TYPE_WIRELESS = 3;`

`ADAPTER_THREAD_NAME = 'Network Adapter';`	Thread name for Network adapter threads
`ADAPTER_THREAD_PRIORITY = THREAD_PRIORITY_HIGHER;`	Thread priority for Network adapter threads

`CONFIG_TYPE_AUTO = 0;`
`CONFIG_TYPE_STATIC = 1;`
`CONFIG_TYPE_RARP = 2;`
`CONFIG_TYPE_BOOTP = 3;`
`CONFIG_TYPE_DHCP = 4;`
`CONFIG_TYPE_PSEUDO = 5;`
`CONFIG_TYPE_LOOPBACK = 6;`

`CONFIG_TYPE_UNKNOWN = Word(-1);`

`AUTH_TYPE_UNKNOWN = 0;`
`AUTH_TYPE_EAP = 1;`
`AUTH_TYPE_RSN = 2;`

`FRAME_TYPE_UNKNOWN = 0;`
`FRAME_TYPE_ETHERNET_II = 1;`	Blue Book
`FRAME_TYPE_TOKEN_RING = 3;`	IEEE 802.5
`FRAME_TYPE_APPLETALK = 5;`	LocalTalk
`FRAME_TYPE_ETHERNET_8022 = 11;`	IEEE 802.2 LLC
`FRAME_TYPE_ETHERNET_SNAP = 98;`	IEEE 802.2 LLC with SNAP Header
`FRAME_TYPE_ETHERNET_8023 = 99;`	802.3 RAW (Novell)

`FRAME_START_ETHERNET_SNAP = $AAAA;`
`FRAME_START_ETHERNET_8023 = $FFFF;`

`ADAPTER_MODE_NONE = 1;`
`ADAPTER_MODE_LOCAL = 2;`
`ADAPTER_MODE_BROADCAST= 3;`	This is the default
`ADAPTER_MODE_LOCAL_MULTI = 4;`	Mode 3 plus directed Multicast
`ADAPTER_MODE_BROADCAST_MULTI = 5;`	Mode 3 plus all Multicast
`ADAPTER_MODE_PROMISCUOUS = 6;`	Promiscuous mode

`CONFIG_ADAPTER_DISCOVER = 0;`	Discover an Address from the ConfigHandler
`CONFIG_ADAPTER_REQUEST = 1;`	Request an Address from the ConfigHandler (Either configured or obtained from Discover)
`CONFIG_ADAPTER_RELEASE = 2;`	Release the Address obtained from ConfigHandler
`CONFIG_ADAPTER_RENEW = 3;`	Renew the Address obtained from ConfigHandler
`CONFIG_ADAPTER_REBIND = 4;`	Rebind the Address obtained from ConfigHandler
`CONFIG_ADAPTER_INFORM = 5;`	Obtain information only from the ConfigHandler
`CONFIG_ADAPTER_REBOOT = 6;`	Request previous Address after a Reboot

`CONFIG_RETRY_TIMEOUT = 300000;`	5 min Config Retry Timeout
`CONFIG_RENEW_TIMEOUT = 60000;`	1 min Config Renew Timeout
`CONFIG_REBIND_TIMEOUT = 60000;`	1 min Config Rebind Timeout

`ADAPTER_STATE_DISABLED = 0;`
`ADAPTER_STATE_ENABLED = 1;`

`ADAPTER_STATUS_DOWN = 0;`
`ADAPTER_STATUS_UP = 1;`

`AUTH_COMMAND_ASSOCIATE = 0;`
`AUTH_COMMAND_DISASSOCIATE = 1;`
`AUTH_COMMAND_AUTHENTICATE = 2;`
`AUTH_COMMAND_UNAUTHENTICATE = 3;`

`MAX_MULTICAST_ADDRESS = 8;`	Maximum number of addresses per adapter

`MAX_PHYSICAL_PACKET = 2048;`	Large enough for all media types

`MEDIA_TYPE_UNKNOWN = $0000;`

`MEDIA_TYPE_ETHERNET = $0001;`	ARP type of Ethernet Hardware (These values must not change, they are the actual values used by ARP packets)
`MEDIA_TYPE_TOKENRING = $0006;`	ARP type of Token-Ring Hardware (These values must not change, they are the actual values used by ARP packets)

`PACKET_MIN_TYPE = $0600;`	If the value Ethernet header TypeLength field is greater than this the frame is Ethernet II

`PACKET_TYPE_IP = $0800;`
`PACKET_TYPE_IP6 = $86DD;`
`PACKET_TYPE_ARP = $0806;`
`PACKET_TYPE_RARP = $8035;`
`PACKET_TYPE_8021Q = $8100;`	802.1Q with extended Ethernet header
`PACKET_TYPE_IPX = $8137;`	IPX on EII

`PACKET_TYPE_EAPOL = $888E;`	EAP-over-LAN (EAPOL)
`PACKET_TYPE_RSN = $88C7;`	RSN pre-authentication
`PACKET_TYPE_TDLS = $890D;`	Tunneled direct-link setup

`PACKET_TYPE_RAW = $FFFF;`	IPX on 802.3
`PACKET_TYPE_LLC = $0001;`	IPX on 802.2

FRAME_TYPE_ETHERNET_8022
`LLC_HEADER_SIZE = 3;`	SizeOf(TLLCHeader); Optionally can be 4 if Control is 2 octets

FRAME_TYPE_ETHERNET_SNAP
`SNAP_HEADER_SIZE = 5;`	SizeOf(TSNAPHeader);

`SERVICE_SET_UNKNOWN = 0;`
`SERVICE_SET_BSS = 1;`	Basic Service Set
`SERVICE_SET_ESS = 2;`	Extended Service Set
`SERVICE_SET_IBSS = 3;`	Independent Basic Service Set
`SERVICE_SET_MBSS = 4;`	Mesh Basic Service Set

`NETWORK_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;`	Network debugging messages
`NETWORK_LOG_LEVEL_INFO = LOG_LEVEL_INFO;`	Network informational messages, such as a device being attached or detached
`NETWORK_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;`	Network error messages
`NETWORK_LOG_LEVEL_NONE = LOG_LEVEL_NONE;`	No Network messages

`ETHERNET_ADDRESS_SIZE = 6;`	SizeOf(TEthernetAddress)
`ETHERNET_HEADER_SIZE = 14;`	SizeOf(TEthernetHeader);
`ETHERNET_VLAN_SIZE = 4;`	Length of Ethernet VLAN tag
`ETHERNET_CRC_SIZE = 4;`	Length of Ethernet CRC

`ETHERNET_MTU = 1500;`
`ETHERNET_MAX_PACKET_SIZE = ETHERNET_HEADER_SIZE + ETHERNET_VLAN_SIZE + ETHERNET_MTU;`

`ETHERNET_TRANSMIT_BUFFER_SIZE = ETHERNET_MAX_PACKET_SIZE;`

Generic Network
`HARDWARE_DEFAULT:THardwareAddress = ($00,$00,$00,$00,$00,$00);`
`HARDWARE_LOOPBACK:THardwareAddress = ($00,$00,$00,$00,$00,$01);`
`HARDWARE_BROADCAST:THardwareAddress = ($FF,$FF,$FF,$FF,$FF,$FF);`

`ETHERNET_DEFAULT:THardwareAddress = ($00,$00,$00,$00,$00,$00);`
`ETHERNET_LOOPBACK:THardwareAddress = ($00,$00,$00,$00,$00,$01);`
`ETHERNET_BROADCAST:THardwareAddress = ($FF,$FF,$FF,$FF,$FF,$FF);`
`ETHERNET_MULTICAST:THardwareAddress = ($01,$00,$5E,$00,$00,$00);`

`Buffer:Pointer;`	Pointer to buffer (Set by driver that owns this packet)
`Data:Pointer;`	Start of data within buffer (Set by driver that owns this packet)
`Length:LongInt;`	Length of packet data (Set by driver on Receive / Set by caller on Transmit, contains maximum length on Allocate)
`Flags:LongWord;`	Packet specific flags (eg Error, Broadcast etc) (Dependent on network type)

`Wait:TSemaphoreHandle;`	Packet ready semaphore
`Start:LongWord;`	Index of first packet ready
`Count:LongWord;`	Number of packets ready in buffer
`Packets:array[0..(NETWORK_BUFFER_SIZE - 1)] of PNetworkPacket;`

`Buffer:Pointer;`	Pointer to buffer (Allocated by driver that owns this entry)
`Size:LongWord;`	Size of the buffer (Total size, usable size is Size minus Offset)
`Offset:LongWord;`	Offset to start of data (Data for first packet will be at Buffer plus Offset, must be less than size)
`Count:LongWord;`	Number of packets in the entry (Set by driver that owns this entry, must be at least one)
`DriverData:Pointer;`	Driver private data (Managed by driver that owns this entry)
`Packets:array of TNetworkPacket; {Array of 0 to Count - 1 packets in this entry`	Allocated by driver that owns this entry, must be at least one)

`Buffer:TBufferHandle;`	Handle for entry buffers
`Wait:TSemaphoreHandle;`	Entry ready semaphore
`Start:LongWord;`	Index of first entry ready
`Count:LongWord;`	Number of entries ready in queue
`Flags:LongWord;`	Queue specific flags (eg Paused, Halted etc) (Managed by driver)
`Entries:array of PNetworkEntry;`	Array of 0 to Total - 1 entries in this queue (Allocated by driver that owns this queue)

Event Properties
`Signature:LongWord;`	Signature for entry validation
`EventState:LongWord;`	Event state (eg Registered/Unregistered)
`EventFlags:LongWord;`	Event flags (eg NETWORK_EVENT_FLAG_NONE)
`Callback:TNetworkEventCallback;`	The callback for network events
`Data:Pointer;`	A pointer to callback specific data to be passed with events (Optional)
`Event:LongWord;`	The mask of events to notify on (eg NETWORK_EVENT_SYSTEM_START etc)
Internal Properties
`Prev:PNetworkEvent;`	Previous entry in Event table
`Next:PNetworkEvent;`	Next entry in Event table

Note: FRAME_TYPE_ETHERNET_8022
`DSAP:Byte;`
`SSAP:Byte;`
`Control:Byte;`
`Information:array[0..0] of Byte;`	Optional (Control byte can be 1 or 2 octets)

Note: FRAME_TYPE_ETHERNET_SNAP
`OUI:array[0..2] of Byte;`
`ProtocolID:Word;`
`Data:array[0..0] of Byte;`	Not part of header, included to provide a pointer to the start of data

`Version:Word;`	Driver version
`FrameType:Byte;`	Driver class
`AdapterType:Word;`	Driver type
`Number:Byte;`	Driver number
`Name:PChar;`	Driver name
`Functionality:Byte;`	How good is this driver

`MajorRevision:Byte;`	Major revision ID of packet specs
`MinorRevision:Byte;`	Minor revision ID of packet specs
`ParamLength:Byte;`	Length of structure in Bytes
`AddressLength:Byte;`	Length of a MAC address
`MTU:Word;`	MTU, including MAC headers
`MulticastAvailable:Word;`	buffer size for multicast addr.
`RxBuffers:Word;`	No of back-to-back MTU rcvs) - 1
`TxBuffers:Word;`	No of successive xmits) - 1
`IntNo:Word;`	Interrupt No to hook for post-EOI processing, 0 = none

`PacketsIn:Int64;`
`PacketsOut:Int64;`
`BytesIn:Int64;`
`BytesOut:Int64;`
`ErrorsIn:Int64;`
`ErrorsOut:Int64;`
`PacketsLost:Int64;`