Add NetworkPkg (P.UDK2010.UP3.Network.P1)

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10986 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
hhtian
2010-11-01 06:13:54 +00:00
parent 12873d5766
commit a3bcde70e6
142 changed files with 83988 additions and 0 deletions

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/** @file
UEFI Component Name(2) protocol implementation for UDP6 driver.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Udp6Impl.h"
//
// EFI Component Name Functions
//
/**
Retrieves a Unicode string that is the user-readable name of the driver.
This function retrieves the user-readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user-readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param[in] Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param[out] DriverName A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Udp6ComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user-readable name of the controller
that is being managed by a driver.
This function retrieves the user-readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user-readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param[in] ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param[in] ChildHandle The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param[in] Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param[out] ControllerName A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user-readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Udp6ComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gUdp6ComponentName = {
Udp6ComponentNameGetDriverName,
Udp6ComponentNameGetControllerName,
"eng"
};
//
// EFI Component Name 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gUdp6ComponentName2 = {
(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Udp6ComponentNameGetDriverName,
(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Udp6ComponentNameGetControllerName,
"en"
};
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUdp6DriverNameTable[] = {
{
"eng;en",
L"UDP6 Network Service Driver"
},
{
NULL,
NULL
}
};
/**
Retrieves a Unicode string that is the user-readable name of the driver.
This function retrieves the user-readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user-readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param[in] Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 4646 or ISO 639-2 language code format.
@param[out] DriverName A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Udp6ComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString2 (
Language,
This->SupportedLanguages,
mUdp6DriverNameTable,
DriverName,
(BOOLEAN) (This == &gUdp6ComponentName)
);
}
/**
Retrieves a Unicode string that is the user-readable name of the controller
that is being managed by a driver.
This function retrieves the user-readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user-readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param[in] ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param[in] ChildHandle The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param[in] Language A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 4646 or ISO 639-2 language code format.
@param[out] ControllerName A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user-readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL, and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
Udp6ComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
return EFI_UNSUPPORTED;
}

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/** @file
Driver Binding functions and Service Binding functions for the Network driver module.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Udp6Impl.h"
EFI_DRIVER_BINDING_PROTOCOL gUdp6DriverBinding = {
Udp6DriverBindingSupported,
Udp6DriverBindingStart,
Udp6DriverBindingStop,
0xa,
NULL,
NULL
};
EFI_SERVICE_BINDING_PROTOCOL mUdp6ServiceBinding = {
Udp6ServiceBindingCreateChild,
Udp6ServiceBindingDestroyChild
};
/**
Tests to see if this driver supports a given controller. If a child device is provided,
it further tests to see if this driver supports creating a handle for the specified child device.
This function checks to see if the driver specified by This supports the device specified by
ControllerHandle. Drivers will typically use the device path attached to
ControllerHandle and/or the services from the bus I/O abstraction attached to
ControllerHandle to determine if the driver supports ControllerHandle. This function
may be called many times during platform initialization. In order to reduce boot times, the tests
performed by this function must be very small, and take as little time as possible to execute. This
function must not change the state of any hardware devices, and this function must be aware that the
device specified by ControllerHandle may already be managed by the same driver or a
different driver. This function must match its calls to AllocatePages() with FreePages(),
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
Because ControllerHandle may have been previously started by the same driver, if a protocol is
already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] ControllerHandle The handle of the controller to test. This handle
must support a protocol interface that supplies
an I/O abstraction to the driver.
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For bus drivers, if this parameter is not NULL, then
the bus driver must determine if the bus controller specified
by ControllerHandle and the child controller specified
by RemainingDevicePath are both supported by this
bus driver.
@retval EFI_SUCCESS The device specified by ControllerHandle and
RemainingDevicePath is supported by the driver specified by This.
@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by the driver
specified by This.
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by a different
driver or an application that requires exclusive access.
Currently not implemented.
@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
RemainingDevicePath is not supported by the driver specified by This.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
//
// Test for the Udp6ServiceBinding Protocol
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiUdp6ServiceBindingProtocolGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
return EFI_ALREADY_STARTED;
}
//
// Test for the Ip6ServiceBinding Protocol
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiIp6ServiceBindingProtocolGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
return Status;
}
/**
Start this driver on ControllerHandle.
This service is called by the EFI boot service ConnectController(). In order to make
drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these
calling restrictions. If any other agent wishes to call Start() it
must also follow these calling restrictions.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to bind the driver to.
@param[in] RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCES This driver is added to ControllerHandle.
@retval EFI_OUT_OF_RESOURCES The required system resource can't be allocated.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
UDP6_SERVICE_DATA *Udp6Service;
//
// Allocate Private Context Data Structure.
//
Udp6Service = AllocateZeroPool (sizeof (UDP6_SERVICE_DATA));
if (Udp6Service == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto EXIT;
}
Status = Udp6CreateService (Udp6Service, This->DriverBindingHandle, ControllerHandle);
if (EFI_ERROR (Status)) {
goto EXIT;
}
//
// Install the Udp6ServiceBindingProtocol on the ControllerHandle.
//
Status = gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiUdp6ServiceBindingProtocolGuid,
&Udp6Service->ServiceBinding,
NULL
);
if (EFI_ERROR (Status)) {
Udp6CleanService (Udp6Service);
goto EXIT;
} else {
Status = Udp6SetVariableData (Udp6Service);
}
EXIT:
if (EFI_ERROR (Status)) {
if (Udp6Service != NULL) {
FreePool (Udp6Service);
}
}
return Status;
}
/**
Stop this driver on ControllerHandle.
This service is called by the EFI boot service DisconnectController(). In order to
make drivers as small as possible, there are a few calling
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop(), it must also follow these calling restrictions.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to stop the driver on.
@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If the number
of children is zero stop the entire bus driver.
@param[in] ChildHandleBuffer List of Child Handles to Stop. It is optional.
@retval EFI_SUCCES This driver is removed ControllerHandle.
@retval EFI_DEVICE_ERROR Can't find the NicHandle from the ControllerHandle and specified GUID.
@retval other This driver was not removed from this device.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
)
{
EFI_STATUS Status;
EFI_HANDLE NicHandle;
EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
UDP6_SERVICE_DATA *Udp6Service;
UDP6_INSTANCE_DATA *Instance;
//
// Find the NicHandle where UDP6 ServiceBinding Protocol is installed.
//
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp6ProtocolGuid);
if (NicHandle == NULL) {
return EFI_DEVICE_ERROR;
}
//
// Retrieve the UDP6 ServiceBinding Protocol.
//
Status = gBS->OpenProtocol (
NicHandle,
&gEfiUdp6ServiceBindingProtocolGuid,
(VOID **) &ServiceBinding,
This->DriverBindingHandle,
NicHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
Udp6Service = UDP6_SERVICE_DATA_FROM_THIS (ServiceBinding);
if (NumberOfChildren == 0) {
gBS->UninstallMultipleProtocolInterfaces (
NicHandle,
&gEfiUdp6ServiceBindingProtocolGuid,
&Udp6Service->ServiceBinding,
NULL
);
Udp6ClearVariableData (Udp6Service);
Udp6CleanService (Udp6Service);
FreePool (Udp6Service);
} else {
while (!IsListEmpty (&Udp6Service->ChildrenList)) {
Instance = NET_LIST_HEAD (&Udp6Service->ChildrenList, UDP6_INSTANCE_DATA, Link);
Status = ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);
}
}
return Status;
}
/**
Creates a child handle and installs a protocol.
The CreateChild() function installs a protocol on ChildHandle.
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param[in, out] ChildHandle Pointer to the handle of the child to create. If it is NULL,
then a new handle is created. If it is a pointer to an existing UEFI handle,
then the protocol is added to the existing UEFI handle.
@retval EFI_SUCCES The protocol was added to ChildHandle.
@retval EFI_INVALID_PARAMETER This is NULL or ChildHandle is NULL.
@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
the child.
@retval other The child handle was not created.
**/
EFI_STATUS
EFIAPI
Udp6ServiceBindingCreateChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN OUT EFI_HANDLE *ChildHandle
)
{
EFI_STATUS Status;
UDP6_SERVICE_DATA *Udp6Service;
UDP6_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
VOID *Ip6;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
Udp6Service = UDP6_SERVICE_DATA_FROM_THIS (This);
//
// Allocate the instance private data structure.
//
Instance = AllocateZeroPool (sizeof (UDP6_INSTANCE_DATA));
if (Instance == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Udp6InitInstance (Udp6Service, Instance);
//
// Add an IpInfo for this instance.
//
Instance->IpInfo = IpIoAddIp (Udp6Service->IpIo);
if (Instance->IpInfo == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_ERROR;
}
//
// Install the Udp6Protocol for this instance.
//
Status = gBS->InstallMultipleProtocolInterfaces (
ChildHandle,
&gEfiUdp6ProtocolGuid,
&Instance->Udp6Proto,
NULL
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
Instance->ChildHandle = *ChildHandle;
//
// Open the default Ip6 protocol in the IP_IO BY_CHILD.
//
Status = gBS->OpenProtocol (
Udp6Service->IpIo->ChildHandle,
&gEfiIp6ProtocolGuid,
(VOID **) &Ip6,
gUdp6DriverBinding.DriverBindingHandle,
Instance->ChildHandle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Link this instance into the service context data and increase the ChildrenNumber.
//
InsertTailList (&Udp6Service->ChildrenList, &Instance->Link);
Udp6Service->ChildrenNumber++;
gBS->RestoreTPL (OldTpl);
return EFI_SUCCESS;
ON_ERROR:
if (Instance->ChildHandle != NULL) {
gBS->UninstallMultipleProtocolInterfaces (
Instance->ChildHandle,
&gEfiUdp6ProtocolGuid,
&Instance->Udp6Proto,
NULL
);
}
if (Instance->IpInfo != NULL) {
IpIoRemoveIp (Udp6Service->IpIo, Instance->IpInfo);
}
Udp6CleanInstance (Instance);
FreePool (Instance);
return Status;
}
/**
Destroys a child handle with a set of I/O services.
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
last protocol on ChildHandle, then ChildHandle is destroyed.
@param[in] This Protocol instance pointer.
@param[in] ChildHandle Handle of the child to destroy.
@retval EFI_SUCCES The I/O services were removed from the child
handle.
@retval EFI_UNSUPPORTED The child handle does not support the I/O services
that are being removed.
@retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.
@retval EFI_ACCESS_DENIED The child handle could not be destroyed because
its I/O services are being used.
@retval other The child handle was not destroyed.
**/
EFI_STATUS
EFIAPI
Udp6ServiceBindingDestroyChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN EFI_HANDLE ChildHandle
)
{
EFI_STATUS Status;
UDP6_SERVICE_DATA *Udp6Service;
EFI_UDP6_PROTOCOL *Udp6Proto;
UDP6_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
Udp6Service = UDP6_SERVICE_DATA_FROM_THIS (This);
//
// Try to get the Udp6 protocol from the ChildHandle.
//
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiUdp6ProtocolGuid,
(VOID **) &Udp6Proto,
gUdp6DriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (Udp6Proto);
if (Instance->Destroyed) {
return EFI_SUCCESS;
}
//
// Use the Destroyed flag to avoid the re-entering of the following code.
//
Instance->Destroyed = TRUE;
//
// Close the Ip6 protocol.
//
gBS->CloseProtocol (
Udp6Service->IpIo->ChildHandle,
&gEfiIp6ProtocolGuid,
gUdp6DriverBinding.DriverBindingHandle,
Instance->ChildHandle
);
//
// Uninstall the Udp6Protocol previously installed on the ChildHandle.
//
Status = gBS->UninstallMultipleProtocolInterfaces (
ChildHandle,
&gEfiUdp6ProtocolGuid,
(VOID *) &Instance->Udp6Proto,
NULL
);
if (EFI_ERROR (Status)) {
Instance->Destroyed = FALSE;
return Status;
}
//
// Reset the configuration in case the instance's consumer forgets to do this.
//
Udp6Proto->Configure (Udp6Proto, NULL);
//
// Remove the IpInfo this instance consumes.
//
IpIoRemoveIp (Udp6Service->IpIo, Instance->IpInfo);
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Remove this instance from the service context data's ChildrenList.
//
RemoveEntryList (&Instance->Link);
Udp6Service->ChildrenNumber--;
//
// Clean the instance.
//
Udp6CleanInstance (Instance);
gBS->RestoreTPL (OldTpl);
FreePool (Instance);
return EFI_SUCCESS;
}
/**
This is the declaration of an EFI image entry point. This entry point is
the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers, including
both device drivers and bus drivers.
The entry point for Udp6 driver that installs the driver binding
and component name protocol on its ImageHandle.
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
**/
EFI_STATUS
EFIAPI
Udp6DriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Install the Udp6DriverBinding and Udp6ComponentName protocols.
//
Status = EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
SystemTable,
&gUdp6DriverBinding,
ImageHandle,
&gUdp6ComponentName,
&gUdp6ComponentName2
);
if (!EFI_ERROR (Status)) {
//
// Initialize the UDP random port.
//
mUdp6RandomPort = (UINT16)(
((UINT16) NetRandomInitSeed ()) %
UDP6_PORT_KNOWN +
UDP6_PORT_KNOWN
);
}
return Status;
}

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/** @file
Driver Binding functions and Service Binding functions for the Network driver module.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _UDP6_DRIVER_H_
#define _UDP6_DRIVER_H_
#include <Protocol/DriverBinding.h>
#include <Protocol/ServiceBinding.h>
#include <Protocol/DevicePath.h>
/**
Tests to see if this driver supports a given controller. If a child device is provided,
it further tests to see if this driver supports creating a handle for the specified child device.
This function checks to see if the driver specified by This supports the device specified by
ControllerHandle. Drivers typically use the device path attached to
ControllerHandle and/or the services from the bus I/O abstraction attached to
ControllerHandle to determine if the driver supports ControllerHandle. This function
may be called many times during platform initialization. In order to reduce boot times, the tests
performed by this function must be very small, and take as little time as possible to execute. This
function must not change the state of any hardware devices, and this function must be aware that the
device specified by ControllerHandle may already be managed by the same driver or a
different driver. This function must match its calls to AllocatePages() with FreePages(),
AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
Since ControllerHandle may have been previously started by the same driver, if a protocol is
already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] ControllerHandle The handle of the controller to test. This handle
must support a protocol interface that supplies
an I/O abstraction to the driver.
@param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
parameter is ignored by device drivers, and is optional for bus
drivers. For bus drivers, if this parameter is not NULL, then
the bus driver must determine if the bus controller specified
by ControllerHandle and the child controller specified
by RemainingDevicePath are both supported by this
bus driver.
@retval EFI_SUCCESS The device specified by ControllerHandle and
RemainingDevicePath is supported by the driver specified by This.
@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by the driver
specified by This.
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
RemainingDevicePath is already being managed by a different
driver or an application that requires exclusive access.
Currently not implemented.
@retval EFI_UNSUPPORTED The device specified by ControllerHandle and
RemainingDevicePath is not supported by the driver specified by This.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle.
This service is called by the EFI boot service ConnectController(). In order to make
drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these
calling restrictions. If any other agent wishes to call Start() it
must also follow these calling restrictions.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to bind a driver to.
@param[in] RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCES This driver is added to ControllerHandle.
@retval EFI_OUT_OF_RESOURCES The required system resource can't be allocated.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle.
This service is called by the EFI boot service DisconnectController(). In order to
make drivers as small as possible, there are a few calling
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop(), it must also follow these calling restrictions.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to stop the driver on.
@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number
of children is zero, stop the entire bus driver.
@param[in] ChildHandleBuffer List of Child Handles to Stop. It is optional.
@retval EFI_SUCCESS This driver removed ControllerHandle.
@retval EFI_DEVICE_ERROR Can't find the NicHandle from the ControllerHandle and specified GUID.
@retval other This driver was not removed from this device.
**/
EFI_STATUS
EFIAPI
Udp6DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
/**
Creates a child handle and installs a protocol.
The CreateChild() function installs a protocol on ChildHandle.
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param[in, out] ChildHandle Pointer to the handle of the child to create. If it is NULL,
then a new handle is created. If it is a pointer to an existing UEFI handle,
then the protocol is added to the existing UEFI handle.
@retval EFI_SUCCES The protocol was added to ChildHandle.
@retval EFI_INVALID_PARAMETER This is NULL or ChildHandle is NULL.
@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
the child.
@retval other The child handle was not created.
**/
EFI_STATUS
EFIAPI
Udp6ServiceBindingCreateChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN OUT EFI_HANDLE *ChildHandle
);
/**
Destroys a child handle with a set of I/O services.
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
last protocol on ChildHandle, then ChildHandle is destroyed.
@param[in] This Protocol instance pointer.
@param[in] ChildHandle Handle of the child to destroy.
@retval EFI_SUCCES The I/O services were removed from the child
handle.
@retval EFI_UNSUPPORTED The child handle does not support the I/O services
that are being removed.
@retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.
@retval EFI_ACCESS_DENIED The child handle could not be destroyed because
its I/O services are being used.
@retval other The child handle was not destroyed.
**/
EFI_STATUS
EFIAPI
Udp6ServiceBindingDestroyChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN EFI_HANDLE ChildHandle
);
#endif

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@@ -0,0 +1,63 @@
## @file Udp6Dxe.inf
# Component description file for Udp6 module.
#
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
#
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = Udp6Dxe
FILE_GUID = D912C7BC-F098-4367-92BA-E911083C7B0E
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = Udp6DriverEntryPoint
UNLOAD_IMAGE = NetLibDefaultUnload
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
[Sources]
Udp6Driver.h
Udp6Driver.c
Udp6Impl.c
Udp6Impl.h
ComponentName.c
Udp6Main.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
[LibraryClasses]
BaseLib
BaseMemoryLib
MemoryAllocationLib
UefiBootServicesTableLib
UefiDriverEntryPoint
UefiRuntimeServicesTableLib
UefiLib
DebugLib
IpIoLib
NetLib
DpcLib
[Protocols]
gEfiIp6ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiIp6ServiceBindingProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiUdp6ServiceBindingProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiUdp6ProtocolGuid # PROTOCOL ALWAYS_CONSUMED

File diff suppressed because it is too large Load Diff

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@@ -0,0 +1,673 @@
/** @file
Udp6 driver's whole implementation and internal data structures.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _UDP6_IMPL_H_
#define _UDP6_IMPL_H_
#include <Uefi.h>
#include <Protocol/Ip6.h>
#include <Protocol/Udp6.h>
#include <Library/IpIoLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/DpcLib.h>
#include "Udp6Driver.h"
extern EFI_COMPONENT_NAME2_PROTOCOL gUdp6ComponentName2;
extern EFI_COMPONENT_NAME_PROTOCOL gUdp6ComponentName;
extern EFI_SERVICE_BINDING_PROTOCOL mUdp6ServiceBinding;
extern EFI_UDP6_PROTOCOL mUdp6Protocol;
extern UINT16 mUdp6RandomPort;
//
// Define time out 50 milliseconds
//
#define UDP6_TIMEOUT_INTERVAL (50 * TICKS_PER_MS)
#define UDP6_HEADER_SIZE sizeof (EFI_UDP_HEADER)
#define UDP6_MAX_DATA_SIZE 65507
#define UDP6_PORT_KNOWN 1024
#define UDP6_SERVICE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', '6')
#define UDP6_INSTANCE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', 'S')
#define UDP6_SERVICE_DATA_FROM_THIS(a) \
CR ( \
(a), \
UDP6_SERVICE_DATA, \
ServiceBinding, \
UDP6_SERVICE_DATA_SIGNATURE \
)
#define UDP6_INSTANCE_DATA_FROM_THIS(a) \
CR ( \
(a), \
UDP6_INSTANCE_DATA, \
Udp6Proto, \
UDP6_INSTANCE_DATA_SIGNATURE \
)
//
// Udp6 service contest data
//
typedef struct _UDP6_SERVICE_DATA {
UINT32 Signature;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
EFI_HANDLE ImageHandle;
EFI_HANDLE ControllerHandle;
LIST_ENTRY ChildrenList;
UINTN ChildrenNumber;
IP_IO *IpIo;
EFI_EVENT TimeoutEvent;
CHAR16 *MacString;
} UDP6_SERVICE_DATA;
typedef struct _UDP6_INSTANCE_DATA {
UINT32 Signature;
LIST_ENTRY Link;
UDP6_SERVICE_DATA *Udp6Service;
EFI_UDP6_PROTOCOL Udp6Proto;
EFI_UDP6_CONFIG_DATA ConfigData;
EFI_HANDLE ChildHandle;
BOOLEAN Configured;
BOOLEAN IsNoMapping;
NET_MAP TxTokens;
NET_MAP RxTokens;
NET_MAP McastIps;
LIST_ENTRY RcvdDgramQue;
LIST_ENTRY DeliveredDgramQue;
UINT16 HeadSum;
EFI_STATUS IcmpError;
IP_IO_IP_INFO *IpInfo;
BOOLEAN Destroyed;
} UDP6_INSTANCE_DATA;
typedef struct _UDP6_RXDATA_WRAP {
LIST_ENTRY Link;
NET_BUF *Packet;
UINT32 TimeoutTick;
EFI_UDP6_RECEIVE_DATA RxData;
} UDP6_RXDATA_WRAP;
/**
Clean the Udp service context data.
@param[in, out] Udp6Service Pointer to the UDP6_SERVICE_DATA.
**/
VOID
Udp6CleanService (
IN OUT UDP6_SERVICE_DATA *Udp6Service
);
/**
Create the Udp service context data.
@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
@param[in] ImageHandle The image handle of this udp6 driver.
@param[in] ControllerHandle The controller handle this udp6 driver binds on.
@retval EFI_SUCCESS The udp6 service context data was created and
initialized.
@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
@retval Others An error condition occurred.
**/
EFI_STATUS
Udp6CreateService (
IN UDP6_SERVICE_DATA *Udp6Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
);
/**
Set the Udp6 variable data.
@param[in] Udp6Service Udp6 service data.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to set the
variable.
@retval other Set variable failed.
**/
EFI_STATUS
Udp6SetVariableData (
IN UDP6_SERVICE_DATA *Udp6Service
);
/**
This function cleans the udp instance.
@param[in, out] Instance Pointer to the UDP6_INSTANCE_DATA to clean.
**/
VOID
Udp6CleanInstance (
IN OUT UDP6_INSTANCE_DATA *Instance
);
/**
Clear the variable and free the resource.
@param[in, out] Udp6Service Udp6 service data.
**/
VOID
Udp6ClearVariableData (
IN OUT UDP6_SERVICE_DATA *Udp6Service
);
/**
This function intializes the new created udp instance.
@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
@param[in, out] Instance Pointer to the un-initialized UDP6_INSTANCE_DATA.
**/
VOID
Udp6InitInstance (
IN UDP6_SERVICE_DATA *Udp6Service,
IN OUT UDP6_INSTANCE_DATA *Instance
);
/**
This function reports the received ICMP error.
@param[in] Instance Pointer to the udp instance context data.
**/
VOID
Udp6ReportIcmpError (
IN UDP6_INSTANCE_DATA *Instance
);
/**
This function copies the current operational settings of this EFI UDPv6 Protocol
instance into user-supplied buffers. This function is used optionally to retrieve
the operational mode data of underlying networks or drivers.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[out] Udp6ConfigData The buffer in which the current UDP configuration
data is returned. This parameter is optional and
may be NULL.
@param[out] Ip6ModeData The buffer in which the current EFI IPv6 Protocol
mode data is returned. This parameter is optional
and may be NULL.
@param[out] MnpConfigData The buffer in which the current managed network
configuration data is returned. This parameter
is optional and may be NULL.
@param[out] SnpModeData The buffer in which the simple network mode data
is returned. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The mode data was read.
@retval EFI_NOT_STARTED When Udp6ConfigData is queried, no configuration
data is available because this instance has not
been started.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
Udp6GetModeData (
IN EFI_UDP6_PROTOCOL *This,
OUT EFI_UDP6_CONFIG_DATA *Udp6ConfigData OPTIONAL,
OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL,
OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
);
/**
This function is used to do the following:
Initialize and start this instance of the EFI UDPv6 Protocol.
Change the filtering rules and operational parameters.
Reset this instance of the EFI UDPv6 Protocol.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] UdpConfigData Pointer to the buffer to set the configuration
data. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The configuration settings were set, changed, or
reset successfully.
@retval EFI_NO_MAPPING When the UdpConifgData.UseAnyStationAddress is set
to true and there is no address available for IP6
driver to binding source address to this
instance.
@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
This is NULL.
UdpConfigData.StationAddress is not a valid
unicast IPv6 address.
UdpConfigData.RemoteAddress is not a valid unicast
IPv6 address, if it is not zero.
@retval EFI_ALREADY_STARTED The EFI UDPv6 Protocol instance is already
started/configured and must be stopped/reset
before it can be reconfigured. Only TrafficClass,
HopLimit, ReceiveTimeout, and TransmitTimeout can
be reconfigured without stopping the current
instance of the EFI UDPv6 Protocol.
@retval EFI_ACCESS_DENIED UdpConfigData.AllowDuplicatePort is FALSE, and
UdpConfigData.StationPort is already used by another
instance.
@retval EFI_OUT_OF_RESOURCES The EFI UDPv6 Protocol driver cannot allocate
memory for this EFI UDPv6 Protocol instance.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred, and
this instance was not opened.
**/
EFI_STATUS
EFIAPI
Udp6Configure (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_CONFIG_DATA *UdpConfigData OPTIONAL
);
/**
This function places a sending request to this instance of the EFI UDPv6 Protocol,
alongside the transmit data that was filled by the user.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to the completion token that will be
placed into the transmit queue.
@retval EFI_SUCCESS The data has been queued for transmission.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING The under-layer IPv6 driver was responsible for
choosing a source address for this instance, but
no source address was available for use.
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
This is NULL. Token is NULL. Token.Event is NULL.
Token.Packet.TxData is NULL.
Token.Packet.TxData.FragmentCount is zero.
Token.Packet.TxData.DataLength is not equal to the
sum of fragment lengths.
One or more of the
Token.Packet.TxData.FragmentTable[]
.FragmentLength fields is zero.
One or more of the
Token.Packet.TxData.FragmentTable[]
.FragmentBuffer fields is NULL.
One or more of the
Token.Packet.TxData.UdpSessionData.
DestinationAddres are not valid unicast IPv6
addresses, if the UdpSessionData is not NULL.
Token.Packet.TxData.UdpSessionData.
DestinationAddres is NULL
Token.Packet.TxData.UdpSessionData.
DestinatioPort is zero.
Token.Packet.TxData.UdpSessionData is
NULL and this instance's
UdpConfigData.RemoteAddress is unspecified.
@retval EFI_ACCESS_DENIED The transmit completion token with the same
Token.Event is already in the transmit queue.
@retval EFI_NOT_READY The completion token could not be queued because
the transmit queue is full.
@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
@retval EFI_NOT_FOUND There is no route to the destination network or
address.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size. Or the length of the IP header + UDP
header + data length is greater than MTU if
DoNotFragment is TRUE.
**/
EFI_STATUS
EFIAPI
Udp6Transmit (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function places a completion token into the receive packet queue. This function
is always asynchronous.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that is associated with the
receive data descriptor.
@retval EFI_SUCCESS The receive completion token is cached.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
BOOTP, RARP, etc.) is not finished yet.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
due to a lack of system resources (usually
memory).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
The EFI UDPv6 Protocol instance has been reset to
startup defaults.
@retval EFI_ACCESS_DENIED A receive completion token with the same
Token.Event is already in the receive queue.
@retval EFI_NOT_READY The receive request could not be queued because
the receive queue is full.
**/
EFI_STATUS
EFIAPI
Udp6Receive (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function is used to abort a pending transmit or receive request.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that has been issued by
EFI_UDP6_PROTOCOL.Transmit() or
EFI_UDP6_PROTOCOL.Receive(). This parameter is
optional and may be NULL.
@retval EFI_SUCCESS The asynchronous I/O request is aborted and
Token.Event is signaled. When Token is NULL, all
pending requests are aborted and their events are
signaled.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_NO_MAPPING When using the default address, configuration
(DHCP, BOOTP, RARP, etc.) is not finished yet.
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
request is not found in the transmit or receive
queue. It either completed or was not issued by
Transmit() or Receive().
**/
EFI_STATUS
EFIAPI
Udp6Cancel (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
);
/**
This function can be used by network drivers and applications to increase the rate that
data packets are moved between the communications device and the transmit/receive queues.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@retval EFI_SUCCESS Incoming or outgoing data was processed.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or
receive queue.
**/
EFI_STATUS
EFIAPI
Udp6Poll (
IN EFI_UDP6_PROTOCOL *This
);
/**
This function is used to enable and disable the multicast group filtering.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] JoinFlag Set to TRUE to join a multicast group. Set to
FALSE to leave one or all multicast groups.
@param[in] MulticastAddress Pointer to multicast group address to join or
leave. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI UDPv6 Protocol instance has not been
started.
@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL. JoinFlag is TRUE and
MulticastAddress is NULL. JoinFlag is TRUE and
*MulticastAddress is not a valid multicast
address.
@retval EFI_ALREADY_STARTED The group address is already in the group table
(when JoinFlag is TRUE).
@retval EFI_NOT_FOUND The group address is not in the group table (when
JoinFlag is FALSE).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
Udp6Groups (
IN EFI_UDP6_PROTOCOL *This,
IN BOOLEAN JoinFlag,
IN EFI_IPv6_ADDRESS *MulticastAddress OPTIONAL
);
/**
This function tries to bind the udp instance according to the configured port
allocation stragety.
@param[in] InstanceList Pointer to the head of the list linking the udp
instances.
@param[in] ConfigData Pointer to the ConfigData of the instance to be
bound.
@retval EFI_SUCCESS The bound operation completed successfully.
@retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is
already used by another instance.
@retval EFI_OUT_OF_RESOURCES No available port resources.
**/
EFI_STATUS
Udp6Bind (
IN LIST_ENTRY *InstanceList,
IN EFI_UDP6_CONFIG_DATA *ConfigData
);
/**
This function builds the Ip6 configdata from the Udp6ConfigData.
@param[in] Udp6ConfigData Pointer to the EFI_UDP6_CONFIG_DATA.
@param[in, out] Ip6ConfigData Pointer to the EFI_IP6_CONFIG_DATA.
**/
VOID
Udp6BuildIp6ConfigData (
IN EFI_UDP6_CONFIG_DATA *Udp6ConfigData,
IN OUT EFI_IP6_CONFIG_DATA *Ip6ConfigData
);
/**
This function checks whether the specified Token duplicates with the one in the Map.
@param[in] Map Pointer to the NET_MAP.
@param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to
the Token.
@param[in] Context Pointer to the Token to be checked.
@retval EFI_SUCCESS The Token specified by Context differs from the
one in the Item.
@retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.
**/
EFI_STATUS
EFIAPI
Udp6TokenExist (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Context
);
/**
This function removes the specified Token from the TokenMap.
@param[in] TokenMap Pointer to the NET_MAP containing the tokens.
@param[in] Token Pointer to the Token to be removed.
@retval EFI_SUCCESS The specified Token is removed from the TokenMap.
@retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.
**/
EFI_STATUS
Udp6RemoveToken (
IN NET_MAP *TokenMap,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function is used to check whether the NewConfigData has any un-reconfigurable
parameters changed compared to the OldConfigData.
@param[in] OldConfigData Pointer to the current ConfigData the udp instance
uses.
@param[in] NewConfigData Pointer to the new ConfigData.
@retval TRUE The instance is reconfigurable according to NewConfigData.
@retval FALSE The instance is not reconfigurable according to NewConfigData.
**/
BOOLEAN
Udp6IsReconfigurable (
IN EFI_UDP6_CONFIG_DATA *OldConfigData,
IN EFI_UDP6_CONFIG_DATA *NewConfigData
);
/**
This function removes the multicast group specified by Arg from the Map.
@param[in] Map Pointer to the NET_MAP.
@param[in] Item Pointer to the NET_MAP_ITEM.
@param[in] Arg Pointer to the Arg. It is the pointer to a
multicast IPv6 Address. This parameter is
optional and may be NULL.
@retval EFI_SUCCESS The multicast address is removed.
@retval EFI_ABORTED The specified multicast address is removed, and the
Arg is not NULL.
**/
EFI_STATUS
EFIAPI
Udp6LeaveGroup (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
);
/**
This function validates the TxToken, it returns the error code according to the spec.
@param[in] Instance Pointer to the udp instance context data.
@param[in] TxToken Pointer to the token to be checked.
@retval EFI_SUCCESS The TxToken is valid.
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
Token.Event is NULL.
Token.Packet.TxData is NULL.
Token.Packet.TxData.FragmentCount is zero.
Token.Packet.TxData.DataLength is not equal to the
sum of fragment lengths.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentLength
fields is zero.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentBuffer
fields is NULL.
UdpSessionData.DestinationAddress are not valid
unicast IPv6 addresses if the UdpSessionData is
not NULL.
UdpSessionData.DestinationPort and
ConfigData.RemotePort are all zero if the
UdpSessionData is not NULL.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size.
**/
EFI_STATUS
Udp6ValidateTxToken (
IN UDP6_INSTANCE_DATA *Instance,
IN EFI_UDP6_COMPLETION_TOKEN *TxToken
);
/**
This function is a dummy ext-free function for the NET_BUF created for the output
udp datagram.
@param[in] Context Pointer to the context data.
**/
VOID
EFIAPI
Udp6NetVectorExtFree (
IN VOID *Context
);
/**
This function calculates the checksum for the Packet, utilizing the pre-calculated
pseudo header to reduce overhead.
@param[in] Packet Pointer to the NET_BUF contains the udp datagram.
@param[in] HeadSum Checksum of the pseudo header execpt the length
field.
@return The 16-bit checksum of this udp datagram.
**/
UINT16
Udp6Checksum (
IN NET_BUF *Packet,
IN UINT16 HeadSum
);
/**
This function delivers the received datagrams to the specified instance.
@param[in] Instance Pointer to the instance context data.
**/
VOID
Udp6InstanceDeliverDgram (
IN UDP6_INSTANCE_DATA *Instance
);
/**
Cancel Udp6 tokens from the Udp6 instance.
@param[in] Instance Pointer to the udp instance context data.
@param[in] Token Pointer to the token to be canceled. If NULL, all
tokens in this instance will be cancelled.
This parameter is optional and may be NULL.
@retval EFI_SUCCESS The Token is cancelled.
@retval EFI_NOT_FOUND The Token is not found.
**/
EFI_STATUS
Udp6InstanceCancelToken (
IN UDP6_INSTANCE_DATA *Instance,
IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
);
/**
This function removes all the Wrap datas in the RcvdDgramQue.
@param[in] Instance Pointer to the Udp6 Instance.
**/
VOID
Udp6FlushRcvdDgram (
IN UDP6_INSTANCE_DATA *Instance
);
#endif

View File

@@ -0,0 +1,855 @@
/** @file
Contains all EFI_UDP6_PROTOCOL interfaces.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "Udp6Impl.h"
EFI_UDP6_PROTOCOL mUdp6Protocol = {
Udp6GetModeData,
Udp6Configure,
Udp6Groups,
Udp6Transmit,
Udp6Receive,
Udp6Cancel,
Udp6Poll
};
/**
This function copies the current operational settings of this EFI UDPv6 Protocol
instance into user-supplied buffers. This function is used optionally to retrieve
the operational mode data of underlying networks or drivers.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[out] Udp6ConfigData The buffer in which the current UDP configuration
data is returned. This parameter is optional and
may be NULL.
@param[out] Ip6ModeData The buffer in which the current EFI IPv6 Protocol
mode data is returned. This parameter is optional
and may be NULL.
@param[out] MnpConfigData The buffer in which the current managed network
configuration data is returned. This parameter is
optional and may be NULL.
@param[out] SnpModeData The buffer in which the simple network mode data
is returned. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The mode data was read.
@retval EFI_NOT_STARTED When Udp6ConfigData is queried, no configuration
data is available because this instance has not
been started.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
Udp6GetModeData (
IN EFI_UDP6_PROTOCOL *This,
OUT EFI_UDP6_CONFIG_DATA *Udp6ConfigData OPTIONAL,
OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL,
OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
)
{
UDP6_INSTANCE_DATA *Instance;
EFI_IP6_PROTOCOL *Ip;
EFI_TPL OldTpl;
EFI_STATUS Status;
if (This == NULL) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured && (Udp6ConfigData != NULL)) {
return EFI_NOT_STARTED;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
if (Udp6ConfigData != NULL) {
//
// Set the Udp6ConfigData.
//
CopyMem (Udp6ConfigData, &Instance->ConfigData, sizeof (EFI_UDP6_CONFIG_DATA));
}
Ip = Instance->IpInfo->Ip.Ip6;
//
// Get the underlying Ip6ModeData, MnpConfigData and SnpModeData.
//
Status = Ip->GetModeData (Ip, Ip6ModeData, MnpConfigData, SnpModeData);
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
This function is used to do the following:
Initialize and start this instance of the EFI UDPv6 Protocol.
Change the filtering rules and operational parameters.
Reset this instance of the EFI UDPv6 Protocol.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] UdpConfigData Pointer to the buffer to set the configuration
data. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The configuration settings were set, changed, or
reset successfully.
@retval EFI_NO_MAPPING When the UdpConifgData.UseAnyStationAddress is set
to true and there is no address available for the IP6
driver to bind a source address to this instance.
@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
This is NULL.
UdpConfigData.StationAddress is not a valid
unicast IPv6 address.
UdpConfigData.RemoteAddress is not a valid unicast
IPv6 address if it is not zero.
@retval EFI_ALREADY_STARTED The EFI UDPv6 Protocol instance is already
started/configured and must be stopped/reset
before it can be reconfigured. Only TrafficClass,
HopLimit, ReceiveTimeout, and TransmitTimeout can
be reconfigured without stopping the current
instance of the EFI UDPv6 Protocol.
@retval EFI_ACCESS_DENIED UdpConfigData.AllowDuplicatePort is FALSE and
UdpConfigData.StationPort is already used by another
instance.
@retval EFI_OUT_OF_RESOURCES The EFI UDPv6 Protocol driver cannot allocate
memory for this EFI UDPv6 Protocol instance.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred, and
this instance was not opened.
**/
EFI_STATUS
EFIAPI
Udp6Configure (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_CONFIG_DATA *UdpConfigData OPTIONAL
)
{
EFI_STATUS Status;
UDP6_INSTANCE_DATA *Instance;
UDP6_SERVICE_DATA *Udp6Service;
EFI_TPL OldTpl;
EFI_IPv6_ADDRESS StationAddress;
EFI_IPv6_ADDRESS RemoteAddress;
EFI_IP6_CONFIG_DATA Ip6ConfigData;
EFI_IPv6_ADDRESS LocalAddr;
EFI_IPv6_ADDRESS RemoteAddr;
if (This == NULL) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured && (UdpConfigData == NULL)) {
return EFI_SUCCESS;
}
Udp6Service = Instance->Udp6Service;
Status = EFI_SUCCESS;
ASSERT (Udp6Service != NULL);
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
if (UdpConfigData != NULL) {
IP6_COPY_ADDRESS (&StationAddress, &UdpConfigData->StationAddress);
IP6_COPY_ADDRESS (&RemoteAddress, &UdpConfigData->RemoteAddress);
if ((!NetIp6IsUnspecifiedAddr (&StationAddress) && !NetIp6IsValidUnicast (&StationAddress)) ||
(!NetIp6IsUnspecifiedAddr (&RemoteAddress) && !NetIp6IsValidUnicast (&RemoteAddress))
){
//
// If not use default address, and StationAddress is not a valid unicast
// if it is not IPv6 address or RemoteAddress is not a valid unicast IPv6
// address if it is not 0.
//
Status = EFI_INVALID_PARAMETER;
goto ON_EXIT;
}
if (Instance->Configured) {
//
// The instance is already configured, try to do the re-configuration.
//
if (!Udp6IsReconfigurable (&Instance->ConfigData, UdpConfigData)) {
//
// If the new configuration data wants to change some unreconfigurable
// settings, return EFI_ALREADY_STARTED.
//
Status = EFI_ALREADY_STARTED;
goto ON_EXIT;
}
//
// Save the reconfigurable parameters.
//
Instance->ConfigData.TrafficClass = UdpConfigData->TrafficClass;
Instance->ConfigData.HopLimit = UdpConfigData->HopLimit;
Instance->ConfigData.ReceiveTimeout = UdpConfigData->ReceiveTimeout;
Instance->ConfigData.TransmitTimeout = UdpConfigData->TransmitTimeout;
} else {
//
// Construct the Ip configuration data from the UdpConfigData.
//
Udp6BuildIp6ConfigData (UdpConfigData, &Ip6ConfigData);
//
// Configure the Ip instance wrapped in the IpInfo.
//
Status = IpIoConfigIp (Instance->IpInfo, &Ip6ConfigData);
if (EFI_ERROR (Status)) {
if (Status == EFI_NO_MAPPING) {
Instance->IsNoMapping = TRUE;
}
goto ON_EXIT;
}
Instance->IsNoMapping = FALSE;
//
// Save the configuration data.
//
CopyMem (
&Instance->ConfigData,
UdpConfigData,
sizeof (EFI_UDP6_CONFIG_DATA)
);
IP6_COPY_ADDRESS (&Instance->ConfigData.StationAddress, &Ip6ConfigData.StationAddress);
//
// Try to allocate the required port resource.
//
Status = Udp6Bind (&Udp6Service->ChildrenList, &Instance->ConfigData);
if (EFI_ERROR (Status)) {
//
// Reset the ip instance if bind fails.
//
IpIoConfigIp (Instance->IpInfo, NULL);
goto ON_EXIT;
}
//
// Pre calculate the checksum for the pseudo head, ignore the UDP length first.
//
IP6_COPY_ADDRESS (&LocalAddr, &Instance->ConfigData.StationAddress);
IP6_COPY_ADDRESS (&RemoteAddr, &Instance->ConfigData.RemoteAddress);
Instance->HeadSum = NetIp6PseudoHeadChecksum (
&LocalAddr,
&RemoteAddr,
EFI_IP_PROTO_UDP,
0
);
Instance->Configured = TRUE;
}
} else {
//
// UdpConfigData is NULL, reset the instance.
//
Instance->Configured = FALSE;
Instance->IsNoMapping = FALSE;
//
// Reset the Ip instance wrapped in the IpInfo.
//
IpIoConfigIp (Instance->IpInfo, NULL);
//
// Cancel all the user tokens.
//
Status = Instance->Udp6Proto.Cancel (&Instance->Udp6Proto, NULL);
//
// Remove the buffered RxData for this instance.
//
Udp6FlushRcvdDgram (Instance);
ASSERT (IsListEmpty (&Instance->DeliveredDgramQue));
}
Status = Udp6SetVariableData (Instance->Udp6Service);
ON_EXIT:
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
This function is used to enable and disable the multicast group filtering.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] JoinFlag Set to TRUE to join a multicast group. Set to
FALSE to leave one or all multicast groups.
@param[in] MulticastAddress Pointer to multicast group address to join or
leave. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI UDPv6 Protocol instance has not been
started.
@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
JoinFlag is TRUE and MulticastAddress is NULL.
JoinFlag is TRUE and *MulticastAddress is not a
valid multicast address.
@retval EFI_ALREADY_STARTED The group address is already in the group table
(when JoinFlag is TRUE).
@retval EFI_NOT_FOUND The group address is not in the group table (when
JoinFlag is FALSE).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
Udp6Groups (
IN EFI_UDP6_PROTOCOL *This,
IN BOOLEAN JoinFlag,
IN EFI_IPv6_ADDRESS *MulticastAddress OPTIONAL
)
{
EFI_STATUS Status;
UDP6_INSTANCE_DATA *Instance;
EFI_IP6_PROTOCOL *Ip;
EFI_TPL OldTpl;
EFI_IPv6_ADDRESS *McastIp;
if ((This == NULL) || (JoinFlag && (MulticastAddress == NULL))) {
return EFI_INVALID_PARAMETER;
}
McastIp = NULL;
if (JoinFlag) {
if (!IP6_IS_MULTICAST (MulticastAddress)) {
return EFI_INVALID_PARAMETER;
}
McastIp = AllocateCopyPool (sizeof (EFI_IPv6_ADDRESS), MulticastAddress);
if (McastIp == NULL) {
return EFI_OUT_OF_RESOURCES;
}
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured) {
return EFI_NOT_STARTED;
}
Ip = Instance->IpInfo->Ip.Ip6;
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Invoke the Ip instance the Udp6 instance consumes to do the group operation.
//
Status = Ip->Groups (Ip, JoinFlag, MulticastAddress);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
//
// Keep a local copy of the configured multicast IPs because IpIo receives
// datagrams from the 0 station address IP instance and then UDP delivers to
// the matched instance. This copy of multicast IPs is used to avoid receive
// the mutlicast datagrams destinated to multicast IPs the other instances configured.
//
if (JoinFlag) {
Status = NetMapInsertTail (&Instance->McastIps, (VOID *) McastIp, NULL);
} else {
NetMapIterate (&Instance->McastIps, Udp6LeaveGroup, MulticastAddress);
}
ON_EXIT:
gBS->RestoreTPL (OldTpl);
if (EFI_ERROR (Status)) {
if (McastIp != NULL) {
FreePool (McastIp);
}
}
return Status;
}
/**
This function places a sending request to this instance of the EFI UDPv6 Protocol,
alongside the transmit data that was filled by the user.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to the completion token that will be
placed into the transmit queue.
@retval EFI_SUCCESS The data was queued for transmission.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING The under-layer IPv6 driver was responsible for
choosing a source address for this instance, but
no source address was available for use.
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
This is NULL.
Token is NULL. Token.Event is NULL.
Token.Packet.TxData is NULL.
Token.Packet.TxData.FragmentCount is zero.
Token.Packet.TxData.DataLength is not equal to the
sum of fragment lengths.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentLength
fields is zero.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentBuffer
fields is NULL. One or more of the
Token.Packet.TxData.UdpSessionData.DestinationAddres
are not valid unicast IPv6
addresses if the UdpSessionData is not NULL.
Token.Packet.TxData.UdpSessionData.
DestinationAddress is NULL
Token.Packet.TxData.UdpSessionData.
DestinatioPort
is zero.
Token.Packet.TxData.UdpSessionData is NULL and this
instance's UdpConfigData.RemoteAddress is unspecified.
@retval EFI_ACCESS_DENIED The transmit completion token with the same
Token.Event is already in the transmit queue.
@retval EFI_NOT_READY The completion token could not be queued because
the transmit queue is full.
@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
@retval EFI_NOT_FOUND There is no route to the destination network or
address.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size. Or, the length of the IP header + UDP
header + data length is greater than MTU if
DoNotFragment is TRUE.
**/
EFI_STATUS
EFIAPI
Udp6Transmit (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
)
{
EFI_STATUS Status;
UDP6_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
NET_BUF *Packet;
EFI_UDP_HEADER *Udp6Header;
EFI_UDP6_CONFIG_DATA *ConfigData;
EFI_IPv6_ADDRESS Source;
EFI_IPv6_ADDRESS Destination;
EFI_UDP6_TRANSMIT_DATA *TxData;
EFI_UDP6_SESSION_DATA *UdpSessionData;
UDP6_SERVICE_DATA *Udp6Service;
IP_IO_OVERRIDE Override;
UINT16 HeadSum;
EFI_IP_ADDRESS IpDestAddr;
if ((This == NULL) || (Token == NULL)) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured) {
return EFI_NOT_STARTED;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Validate the Token, if the token is invalid return the error code.
//
Status = Udp6ValidateTxToken (Instance, Token);
if (EFI_ERROR (Status)) {
goto ON_EXIT;
}
if (EFI_ERROR (NetMapIterate (&Instance->TxTokens, Udp6TokenExist, Token)) ||
EFI_ERROR (NetMapIterate (&Instance->RxTokens, Udp6TokenExist, Token))
){
//
// Try to find a duplicate token in the two token maps, if found, return
// EFI_ACCESS_DENIED.
//
Status = EFI_ACCESS_DENIED;
goto ON_EXIT;
}
TxData = Token->Packet.TxData;
//
// Create a net buffer to hold the user buffer and the udp header.
//
Packet = NetbufFromExt (
(NET_FRAGMENT *) TxData->FragmentTable,
TxData->FragmentCount,
UDP6_HEADER_SIZE,
0,
Udp6NetVectorExtFree,
NULL
);
if (Packet == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
//
// Store the IpIo in ProtoData.
//
Udp6Service = Instance->Udp6Service;
*((UINTN *) &Packet->ProtoData[0]) = (UINTN) (Udp6Service->IpIo);
Udp6Header = (EFI_UDP_HEADER *) NetbufAllocSpace (Packet, UDP6_HEADER_SIZE, TRUE);
ASSERT (Udp6Header != NULL);
ConfigData = &Instance->ConfigData;
//
// Fill the udp header.
//
Udp6Header->SrcPort = HTONS (ConfigData->StationPort);
Udp6Header->DstPort = HTONS (ConfigData->RemotePort);
Udp6Header->Length = HTONS ((UINT16) Packet->TotalSize);
Udp6Header->Checksum = 0;
//
// Set the UDP Header in NET_BUF, this UDP header is for IP6 can fast get the
// Udp header for pseudoHeadCheckSum.
//
Packet->Udp = Udp6Header;
UdpSessionData = TxData->UdpSessionData;
if (UdpSessionData != NULL) {
//
// Set the Destination according to the specified
// UdpSessionData.
//
if (UdpSessionData->DestinationPort != 0) {
Udp6Header->DstPort = HTONS (UdpSessionData->DestinationPort);
}
IP6_COPY_ADDRESS (&Source, &ConfigData->StationAddress);
if (!NetIp6IsUnspecifiedAddr (&UdpSessionData->DestinationAddress)) {
IP6_COPY_ADDRESS (&Destination, &UdpSessionData->DestinationAddress);
} else {
IP6_COPY_ADDRESS (&Destination, &ConfigData->RemoteAddress);
}
//
//Calculate the pseudo head checksum using the overridden parameters.
//
if (!NetIp6IsUnspecifiedAddr (&ConfigData->StationAddress)) {
HeadSum = NetIp6PseudoHeadChecksum (
&Source,
&Destination,
EFI_IP_PROTO_UDP,
0
);
//
// calculate the checksum.
//
Udp6Header->Checksum = Udp6Checksum (Packet, HeadSum);
if (Udp6Header->Checksum == 0) {
//
// If the calculated checksum is 0, fill the Checksum field with all ones.
//
Udp6Header->Checksum = 0XFFFF;
}
} else {
//
// Set the checksum is zero if the ConfigData->StationAddress is unspcified
// and the Ipv6 will fill the correct value of this checksum.
//
Udp6Header->Checksum = 0;
}
} else {
//
// UdpSessionData is NULL, use the address and port information previously configured.
//
IP6_COPY_ADDRESS (&Destination, &ConfigData->RemoteAddress);
HeadSum = Instance->HeadSum;
//
// calculate the checksum.
//
Udp6Header->Checksum = Udp6Checksum (Packet, HeadSum);
if (Udp6Header->Checksum == 0) {
//
// If the calculated checksum is 0, fill the Checksum field with all ones.
//
Udp6Header->Checksum = 0xffff;
}
}
//
// Fill the IpIo Override data.
//
Override.Ip6OverrideData.Protocol = EFI_IP_PROTO_UDP;
Override.Ip6OverrideData.HopLimit = ConfigData->HopLimit;
Override.Ip6OverrideData.FlowLabel = 0;
//
// Save the token into the TxToken map.
//
Status = NetMapInsertTail (&Instance->TxTokens, Token, Packet);
if (EFI_ERROR (Status)) {
goto FREE_PACKET;
}
//
// Send out this datagram through IpIo.
//
if (UdpSessionData != NULL){
IP6_COPY_ADDRESS (&(IpDestAddr.v6), &Destination);
} else {
ZeroMem (&IpDestAddr.v6, sizeof (EFI_IPv6_ADDRESS));
}
Status = IpIoSend (
Udp6Service->IpIo,
Packet,
Instance->IpInfo,
Instance,
Token,
&IpDestAddr,
&Override
);
if (EFI_ERROR (Status)) {
//
// Remove this token from the TxTokens.
//
Udp6RemoveToken (&Instance->TxTokens, Token);
}
FREE_PACKET:
NetbufFree (Packet);
ON_EXIT:
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
This function places a completion token into the receive packet queue. This function
is always asynchronous.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that is associated with the
receive data descriptor.
@retval EFI_SUCCESS The receive completion token was cached.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
BOOTP, RARP, etc.) is not finished yet.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL. Token is NULL. Token.Event is NULL.
@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
due to a lack of system resources (usually
memory).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
The EFI UDPv6 Protocol instance has been reset to
startup defaults.
@retval EFI_ACCESS_DENIED A receive completion token with the same
Token.Event is already in the receive queue.
@retval EFI_NOT_READY The receive request could not be queued because
the receive queue is full.
**/
EFI_STATUS
EFIAPI
Udp6Receive (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
)
{
EFI_STATUS Status;
UDP6_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
if ((This == NULL) || (Token == NULL) || (Token->Event == NULL)) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured) {
return EFI_NOT_STARTED;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
if (EFI_ERROR (NetMapIterate (&Instance->RxTokens, Udp6TokenExist, Token)) ||
EFI_ERROR (NetMapIterate (&Instance->TxTokens, Udp6TokenExist, Token))
){
//
// Return EFI_ACCESS_DENIED if the specified token is already in the TxTokens or
// RxTokens map.
//
Status = EFI_ACCESS_DENIED;
goto ON_EXIT;
}
Token->Packet.RxData = NULL;
//
// Save the token into the RxTokens map.
//
Status = NetMapInsertTail (&Instance->RxTokens, Token, NULL);
if (EFI_ERROR (Status)) {
Status = EFI_NOT_READY;
goto ON_EXIT;
}
//
// If there is an icmp error, report it.
//
Udp6ReportIcmpError (Instance);
//
// Try to delivered the received datagrams.
//
Udp6InstanceDeliverDgram (Instance);
//
// Dispatch the DPC queued by the NotifyFunction of Token->Event.
//
DispatchDpc ();
ON_EXIT:
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
This function is used to abort a pending transmit or receive request.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that has been issued by
EFI_UDP6_PROTOCOL.Transmit() or
EFI_UDP6_PROTOCOL.Receive(). This parameter is
optional and may be NULL.
@retval EFI_SUCCESS The asynchronous I/O request was aborted, and
Token.Event was signaled. When Token is NULL, all
pending requests are aborted and their events are
signaled.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_NO_MAPPING When using the default address, configuration
(DHCP, BOOTP, RARP, etc.) is not finished yet.
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
request is not found in the transmit or receive
queue. It is either completed or not issued by
Transmit() or Receive().
**/
EFI_STATUS
EFIAPI
Udp6Cancel (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
)
{
EFI_STATUS Status;
UDP6_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
if (This == NULL) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
if (!Instance->Configured) {
return EFI_NOT_STARTED;
}
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
//
// Cancle the tokens specified by Token for this instance.
//
Status = Udp6InstanceCancelToken (Instance, Token);
//
// Dispatch the DPC queued by the NotifyFunction of the canceled token's events.
//
DispatchDpc ();
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
This function can be used by network drivers and applications to increase the rate that
data packets are moved between the communications device and the transmit/receive queues.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@retval EFI_SUCCESS Incoming or outgoing data was processed.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or
receive queue.
**/
EFI_STATUS
EFIAPI
Udp6Poll (
IN EFI_UDP6_PROTOCOL *This
)
{
UDP6_INSTANCE_DATA *Instance;
EFI_IP6_PROTOCOL *Ip;
if (This == NULL) {
return EFI_INVALID_PARAMETER;
}
Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
Ip = Instance->IpInfo->Ip.Ip6;
//
// Invode the Ip instance consumed by the udp instance to do the poll operation.
//
return Ip->Poll (Ip);
}