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Import SnpDxe, Tcp4Dxe, Udp4Dxe and MnpDxe.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3416 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-07-24 08:06:37 +00:00
parent f9bef4b3ac
commit 8a67d61da4
66 changed files with 25898 additions and 52 deletions
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526
MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Driver.c Normal file
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/** @file
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
Udp4Driver.c
Abstract:
**/
#include "Udp4Impl.h"
EFI_DRIVER_BINDING_PROTOCOL gUdp4DriverBinding = {
Udp4DriverBindingSupported,
Udp4DriverBindingStart,
Udp4DriverBindingStop,
0xa,
NULL,
NULL
};
EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding = {
Udp4ServiceBindingCreateChild,
Udp4ServiceBindingDestroyChild
};
/**
Test to see if this driver supports ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test.
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCES This driver supports this device.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
//
// Test for the Udp4ServiceBinding Protocol
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiUdp4ServiceBindingProtocolGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (!EFI_ERROR (Status)) {
return EFI_ALREADY_STARTED;
}
//
// Test for the Ip4 Protocol
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiIp4ServiceBindingProtocolGuid,
NULL,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
return Status;
}
/**
Start this driver on ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCES This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
EFI_STATUS Status;
UDP4_SERVICE_DATA *Udp4Service;
//
// Allocate Private Context Data Structure.
//
Udp4Service = NetAllocatePool (sizeof (UDP4_SERVICE_DATA));
if (Udp4Service == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = Udp4CreateService (Udp4Service, This->DriverBindingHandle, ControllerHandle);
if (EFI_ERROR (Status)) {
goto FREE_SERVICE;
}
//
// Install the Udp4ServiceBindingProtocol on the ControllerHandle.
//
Status = gBS->InstallMultipleProtocolInterfaces (
&ControllerHandle,
&gEfiUdp4ServiceBindingProtocolGuid,
&Udp4Service->ServiceBinding,
NULL
);
if (EFI_ERROR (Status)) {
goto CLEAN_SERVICE;
}
Udp4SetVariableData (Udp4Service);
return Status;
CLEAN_SERVICE:
Udp4CleanService (Udp4Service);
FREE_SERVICE:
NetFreePool (Udp4Service);
return Status;
}
/**
Stop this driver on ControllerHandle.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number
of children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCES This driver is removed ControllerHandle.
@retval other This driver was not removed from this device.
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_STATUS Status;
EFI_HANDLE NicHandle;
EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
UDP4_SERVICE_DATA *Udp4Service;
UDP4_INSTANCE_DATA *Instance;
//
// Find the NicHandle where UDP4 ServiceBinding Protocol is installed.
//
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
if (NicHandle == NULL) {
return EFI_SUCCESS;
}
//
// Retrieve the UDP4 ServiceBinding Protocol.
//
Status = gBS->OpenProtocol (
NicHandle,
&gEfiUdp4ServiceBindingProtocolGuid,
(VOID **) &ServiceBinding,
This->DriverBindingHandle,
NicHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (ServiceBinding);
//
// Uninstall the UDP4 ServiceBinding Protocol.
//
Status = gBS->UninstallMultipleProtocolInterfaces (
NicHandle,
&gEfiUdp4ServiceBindingProtocolGuid,
&Udp4Service->ServiceBinding,
NULL
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
while (!NetListIsEmpty (&Udp4Service->ChildrenList)) {
//
// Destroy all instances.
//
Instance = NET_LIST_HEAD (&Udp4Service->ChildrenList, UDP4_INSTANCE_DATA, Link);
ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);
}
Udp4ClearVariableData (Udp4Service);
Udp4CleanService (Udp4Service);
NetFreePool (Udp4Service);
return EFI_SUCCESS;
}
/**
Creates a child handle with a set of I/O services.
@param This Protocol instance pointer.
@param ChildHandle Pointer to the handle of the child to create. If
it is NULL, then a new handle is created. If it
is not NULL, then the I/O services are added to
the existing child handle.
@retval EFI_SUCCES The child handle was created with the I/O services
@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
Udp4ServiceBindingCreateChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN EFI_HANDLE *ChildHandle
)
{
EFI_STATUS Status;
UDP4_SERVICE_DATA *Udp4Service;
UDP4_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
VOID *Ip4;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (This);
//
// Allocate the instance private data structure.
//
Instance = NetAllocatePool (sizeof (UDP4_INSTANCE_DATA));
if (Instance == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Udp4InitInstance (Udp4Service, Instance);
//
// Add an IpInfo for this instance.
//
Instance->IpInfo = IpIoAddIp (Udp4Service->IpIo);
if (Instance->IpInfo == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto FREE_INSTANCE;
}
//
// Install the Udp4Protocol for this instance.
//
Status = gBS->InstallMultipleProtocolInterfaces (
ChildHandle,
&gEfiUdp4ProtocolGuid,
&Instance->Udp4Proto,
NULL
);
if (EFI_ERROR (Status)) {
goto REMOVE_IPINFO;
}
Instance->ChildHandle = *ChildHandle;
//
// Open the default Ip4 protocol in the IP_IO BY_CHILD.
//
Status = gBS->OpenProtocol (
Udp4Service->IpIo->ChildHandle,
&gEfiIp4ProtocolGuid,
(VOID **) &Ip4,
gUdp4DriverBinding.DriverBindingHandle,
Instance->ChildHandle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
if (EFI_ERROR (Status)) {
goto UNINSTALL_PROTOCOL;
}
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
//
// Link this instance into the service context data and increase the ChildrenNumber.
//
NetListInsertTail (&Udp4Service->ChildrenList, &Instance->Link);
Udp4Service->ChildrenNumber++;
NET_RESTORE_TPL (OldTpl);
return Status;
UNINSTALL_PROTOCOL:
gBS->UninstallMultipleProtocolInterfaces (
Instance->ChildHandle,
&gEfiUdp4ProtocolGuid,
&Instance->Udp4Proto,
NULL
);
REMOVE_IPINFO:
IpIoRemoveIp (Udp4Service->IpIo, Instance->IpInfo);
FREE_INSTANCE:
Udp4CleanInstance (Instance);
NetFreePool (Instance);
return Status;
}
/**
Destroys a child handle with a set of I/O services.
@param This Protocol instance pointer.
@param 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
Udp4ServiceBindingDestroyChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN EFI_HANDLE ChildHandle
)
{
EFI_STATUS Status;
UDP4_SERVICE_DATA *Udp4Service;
EFI_UDP4_PROTOCOL *Udp4Proto;
UDP4_INSTANCE_DATA *Instance;
EFI_TPL OldTpl;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (This);
//
// Try to get the Udp4 protocol from the ChildHandle.
//
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiUdp4ProtocolGuid,
(VOID **) &Udp4Proto,
gUdp4DriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Instance = UDP4_INSTANCE_DATA_FROM_THIS (Udp4Proto);
if (Instance->Destroyed) {
return EFI_SUCCESS;
}
//
// Use the Destroyed flag to avoid the re-entering of the following code.
//
Instance->Destroyed = TRUE;
//
// Close the Ip4 protocol.
//
gBS->CloseProtocol (
Udp4Service->IpIo->ChildHandle,
&gEfiIp4ProtocolGuid,
gUdp4DriverBinding.DriverBindingHandle,
Instance->ChildHandle
);
//
// Uninstall the Udp4Protocol previously installed on the ChildHandle.
//
Status = gBS->UninstallMultipleProtocolInterfaces (
ChildHandle,
&gEfiUdp4ProtocolGuid,
(VOID *) &Instance->Udp4Proto,
NULL
);
if (EFI_ERROR (Status)) {
Instance->Destroyed = FALSE;
return Status;
}
//
// Reset the configuration in case the instance's consumer forgets to do this.
//
Udp4Proto->Configure (Udp4Proto, NULL);
//
// Remove the IpInfo this instance consumes.
//
IpIoRemoveIp (Udp4Service->IpIo, Instance->IpInfo);
OldTpl = NET_RAISE_TPL (NET_TPL_LOCK);
//
// Remove this instance from the service context data's ChildrenList.
//
NetListRemoveEntry (&Instance->Link);
Udp4Service->ChildrenNumber--;
//
// Clean the instance.
//
Udp4CleanInstance (Instance);
NET_RESTORE_TPL (OldTpl);
NetFreePool (Instance);
return EFI_SUCCESS;
}
//@MT: EFI_DRIVER_ENTRY_POINT (Udp4DriverEntryPoint)
EFI_STATUS
EFIAPI
Udp4DriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
The entry point for Udp4 driver which installs the driver binding
and component name protocol on its ImageHandle.
Arguments:
ImageHandle - The image handle of the driver.
SystemTable - The system table.
Returns:
EFI_SUCCESS - if the driver binding and component name protocols are
successfully installed, otherwise if failed.
--*/
{
EFI_STATUS Status;
//
// Install the Udp4DriverBinding and Udp4ComponentName protocols.
//
Status = NetLibInstallAllDriverProtocols (
ImageHandle,
SystemTable,
&gUdp4DriverBinding,
ImageHandle,
&gUdp4ComponentName,
NULL,
NULL
);
if (!EFI_ERROR (Status)) {
//
// Initialize the UDP random port.
//
mUdp4RandomPort = ((UINT16) NetRandomInitSeed ()) % UDP4_PORT_KNOWN + UDP4_PORT_KNOWN;
}
return Status;
}