Mtftp6Dxe

Function Table

Address	Name	Description
	Mtftp6DriverEntryPoint
	Mtftp6DriverBindingSupported
	Mtftp6DriverBindingStart
	Mtftp6DriverBindingStop
	Mtftp6ServiceCreateChild
	Mtftp6ServiceDestroyChild
	Mtftp6GetModeData
	Mtftp6Configure
	Mtftp6ReadFile
	Mtftp6WriteFile
	Mtftp6ReadDirectory
	Mtftp6Poll
	Mtftp6RrqCallback
	Mtftp6WrqCallback
	Mtftp6MulticastCallback
	Mtftp6TimeoutNotify
	Mtftp6CleanupOperation
	Mtftp6SendAck
	Mtftp6SendError
	Mtftp6DataProcess
	Mtftp6SendRequest
	Mtftp6Transmit
Module	globals
EFI_HANDLE	gImageHandle = NULL;
Driver	Binding Protocol instance table (off_9E50):
EFI_DRIVER_BINDING_PROTOCOL	mDriverBinding = {
Component	Name table (off_9E80):
EFI_COMPONENT_NAME2_PROTOCOL	mComponentName2 = {
Service	Binding Protocol instance (off_9E98):
EFI_SERVICE_BINDING_PROTOCOL	mServiceBinding = {
MTFTP6	Protocol instance template (off_9ED0):
EFI_MTFTP6_PROTOCOL	mMtftp6ProtocolTemplate = {
DRIVER	ENTRY POINT (sub_528 + sub_698)
Save	global pointers and initialize library constructors
gImageHandle	= ImageHandle;
Open	DPC protocol (gEfiDpcProtocolGuid = {0x4F948815-...})
Status	= gBS->LocateProtocol (
Read	NetworkStackVar and install driver binding
Variable	exists -> install driver binding protocol
Status	= gBS->InstallMultipleProtocolInterfaces (
DRIVER	BINDING PROTOCOL
Check	if controller already has MTFTP6 service binding installed
EFI_STATUS	Status;
Already	has our protocol -> unsupported (already bound)
Now	try to create a child: open config protocol and create service
Allocate	a timer event for timeout handling
Status	= gBS->CreateEvent (
Open	UDP I/O for IPv6
No	RxNotify
return	EFI_UNSUPPORTED; // Placeholder
MTFTP6	PROTOCOL IMPLEMENTATION
Allocates	a MTFTP6_INSTANCE (280 bytes), copies config data
opens	UDP I/O from controller, returns mode info.
return	EFI_UNSUPPORTED;
Marks	instance as configured, sets up UDP I/O callback
registration	for Rx and Tx.
Main	read file entry:
Main	write file entry.
Similar	to ReadFile but uses WRQ operation.
Not	implemented (returns EFI_UNSUPPORTED)
Polls	for Rx events via UdpIoRecvDatagram / DPC queue drain.
CALLBACK	HANDLERS
Main	RRQ receive callback:
Triggered	by UdpIo when a datagram arrives.
Main	WRQ receive callback:
Triggered	by UdpIo when a datagram arrives during WRQ.
Multicast	reception callback.
Handles	data blocks arriving on the multicast socket.
INTERNAL	OPERATIONS
Timer	event callback:
return	EFI_SUCCESS;
Cleans	up an in-progress operation:
Build	and send an ACK packet:
Build	and send an ERROR packet:
Process	incoming DATA packet:
Build	the initial request packet (RRQ or WRQ):
2	(opcode) + len(filename) + 1 + len("octet") + 1 +
sum	for each option: len(optname)+1 + len(optval)+1
Core	transmit routine:

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