Import Ip4Config module
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3406 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
529
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
Normal file
529
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
Normal file
@@ -0,0 +1,529 @@
|
||||
/** @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:
|
||||
|
||||
Ip4ConfigDriver.c
|
||||
|
||||
Abstract:
|
||||
|
||||
The driver binding for IP4 CONFIG protocol.
|
||||
|
||||
|
||||
**/
|
||||
|
||||
|
||||
#include "Ip4Config.h"
|
||||
|
||||
|
||||
/**
|
||||
Stop all the auto configuration when the IP4 configure driver is
|
||||
being unloaded.
|
||||
|
||||
@param ImageHandle The driver that is being unloaded
|
||||
|
||||
@retval EFI_SUCCESS The driver has been ready for unload.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
EfiIp4ConfigUnload (
|
||||
IN EFI_HANDLE ImageHandle
|
||||
)
|
||||
{
|
||||
UINT32 Index;
|
||||
|
||||
//
|
||||
// Stop all the IP4_CONFIG instances
|
||||
//
|
||||
for (Index = 0; Index < MAX_IP4_CONFIG_IN_VARIABLE; Index++) {
|
||||
if (mIp4ConfigNicList[Index] == NULL) {
|
||||
continue;
|
||||
}
|
||||
|
||||
gIp4ConfigDriverBinding.Stop (
|
||||
&gIp4ConfigDriverBinding,
|
||||
mIp4ConfigNicList[Index]->MnpHandle,
|
||||
0,
|
||||
NULL
|
||||
);
|
||||
}
|
||||
|
||||
return NetLibDefaultUnload (ImageHandle);
|
||||
}
|
||||
|
||||
//@MT: EFI_DRIVER_ENTRY_POINT (Ip4ConfigDriverEntryPoint)
|
||||
|
||||
EFI_STATUS
|
||||
Ip4ConfigDriverEntryPoint (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
The entry point for IP4 config driver which install the driver
|
||||
binding and component name protocol on its image.
|
||||
|
||||
Arguments:
|
||||
|
||||
ImageHandle - The Image handle of the driver
|
||||
SystemTable - The system table
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_SUCCESS - All the related protocols are installed on the driver
|
||||
Others - Failed to install the protocol
|
||||
|
||||
--*/
|
||||
{
|
||||
return NetLibInstallAllDriverProtocolsWithUnload (
|
||||
ImageHandle,
|
||||
SystemTable,
|
||||
&gIp4ConfigDriverBinding,
|
||||
ImageHandle,
|
||||
&gIp4ConfigComponentName,
|
||||
NULL,
|
||||
NULL,
|
||||
EfiIp4ConfigUnload
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
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
|
||||
@retval other This driver does not support this device
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
Ip4ConfigDriverBindingSupported (
|
||||
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE ControllerHandle,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
Status = gBS->OpenProtocol (
|
||||
ControllerHandle,
|
||||
&gEfiManagedNetworkServiceBindingProtocolGuid,
|
||||
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
|
||||
Ip4ConfigDriverBindingStart (
|
||||
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE ControllerHandle,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
|
||||
)
|
||||
{
|
||||
EFI_IP4_CONFIG_PROTOCOL *Ip4Config;
|
||||
EFI_MANAGED_NETWORK_PROTOCOL *Mnp;
|
||||
EFI_HANDLE MnpHandle;
|
||||
IP4_CONFIG_INSTANCE *Instance;
|
||||
EFI_SIMPLE_NETWORK_MODE SnpMode;
|
||||
IP4_CONFIG_VARIABLE *Variable;
|
||||
NIC_IP4_CONFIG_INFO *NicConfig;
|
||||
IP4_CONFIG_VARIABLE *NewVariable;
|
||||
EFI_STATUS Status;
|
||||
UINT32 Index;
|
||||
|
||||
//
|
||||
// Check for multiple start.
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
ControllerHandle,
|
||||
&gEfiIp4ConfigProtocolGuid,
|
||||
&Ip4Config,
|
||||
This->DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
|
||||
if (!EFI_ERROR (Status)) {
|
||||
return EFI_ALREADY_STARTED;
|
||||
}
|
||||
|
||||
//
|
||||
// Create a MNP child
|
||||
//
|
||||
Mnp = NULL;
|
||||
MnpHandle = NULL;
|
||||
Instance = NULL;
|
||||
|
||||
Status = NetLibCreateServiceChild (
|
||||
ControllerHandle,
|
||||
This->DriverBindingHandle,
|
||||
&gEfiManagedNetworkServiceBindingProtocolGuid,
|
||||
&MnpHandle
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
Status = gBS->OpenProtocol (
|
||||
MnpHandle,
|
||||
&gEfiManagedNetworkProtocolGuid,
|
||||
(VOID **) &Mnp,
|
||||
This->DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_BY_DRIVER
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
//
|
||||
// Allocate an instance then initialize it
|
||||
//
|
||||
Instance = NetAllocatePool (sizeof (IP4_CONFIG_INSTANCE));
|
||||
|
||||
if (Instance == NULL) {
|
||||
Status = EFI_OUT_OF_RESOURCES;
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
Instance->Signature = IP4_CONFIG_INSTANCE_SIGNATURE;
|
||||
Instance->Controller = ControllerHandle;
|
||||
Instance->Image = This->DriverBindingHandle;
|
||||
|
||||
Instance->Ip4ConfigProtocol = mIp4ConfigProtocolTemplate;
|
||||
Instance->NicIp4Protocol = mNicIp4ConfigProtocolTemplate;
|
||||
|
||||
Instance->State = IP4_CONFIG_STATE_IDLE;
|
||||
Instance->Mnp = Mnp;
|
||||
Instance->MnpHandle = MnpHandle;
|
||||
|
||||
Instance->DoneEvent = NULL;
|
||||
Instance->ReconfigEvent = NULL;
|
||||
Instance->Result = EFI_NOT_READY;
|
||||
Instance->NicConfig = NULL;
|
||||
|
||||
Instance->Dhcp4 = NULL;
|
||||
Instance->Dhcp4Handle = NULL;
|
||||
Instance->Dhcp4Event = NULL;
|
||||
|
||||
Status = Mnp->GetModeData (Mnp, NULL, &SnpMode);
|
||||
|
||||
if (EFI_ERROR (Status) && (Status != EFI_NOT_STARTED)) {
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
Instance->NicAddr.Type = (UINT16) SnpMode.IfType;
|
||||
Instance->NicAddr.Len = (UINT8) SnpMode.HwAddressSize;
|
||||
Instance->NicAddr.MacAddr = SnpMode.CurrentAddress;
|
||||
|
||||
//
|
||||
// Add it to the global list, and compose the name
|
||||
//
|
||||
for (Index = 0; Index < MAX_IP4_CONFIG_IN_VARIABLE; Index++) {
|
||||
if (mIp4ConfigNicList[Index] == NULL) {
|
||||
mIp4ConfigNicList[Index] = Instance;
|
||||
Instance->NicIndex = Index;
|
||||
|
||||
if (Instance->NicAddr.Type == NET_IFTYPE_ETHERNET) {
|
||||
Instance->NicName[0] = 'e';
|
||||
Instance->NicName[1] = 't';
|
||||
Instance->NicName[2] = 'h';
|
||||
Instance->NicName[3] = (UINT16) ('0' + Index);
|
||||
Instance->NicName[4] = 0;
|
||||
} else {
|
||||
Instance->NicName[0] = 'u';
|
||||
Instance->NicName[1] = 'n';
|
||||
Instance->NicName[2] = 'k';
|
||||
Instance->NicName[3] = (UINT16) ('0' + Index);
|
||||
Instance->NicName[4] = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (Index == MAX_IP4_CONFIG_IN_VARIABLE) {
|
||||
Status = EFI_OUT_OF_RESOURCES;
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
//
|
||||
// Install the IP4_CONFIG and NIC_IP4CONFIG protocols
|
||||
//
|
||||
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||
&ControllerHandle,
|
||||
&gEfiIp4ConfigProtocolGuid,
|
||||
&Instance->Ip4ConfigProtocol,
|
||||
&gEfiNicIp4ConfigProtocolGuid,
|
||||
&Instance->NicIp4Protocol,
|
||||
NULL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
mIp4ConfigNicList[Index] = NULL;
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
//
|
||||
// Get the previous configure parameters. If an error happend here,
|
||||
// just ignore it because the driver should be able to operate.
|
||||
//
|
||||
Variable = Ip4ConfigReadVariable ();
|
||||
|
||||
if (Variable == NULL) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
NicConfig = Ip4ConfigFindNicVariable (Variable, &Instance->NicAddr);
|
||||
|
||||
if (NicConfig == NULL) {
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Don't modify the permant static configuration
|
||||
//
|
||||
if (NicConfig->Perment && (NicConfig->Source == IP4_CONFIG_SOURCE_STATIC)) {
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
//
|
||||
// Delete the non-permant configuration and remove the previous
|
||||
// acquired DHCP parameters. Only doing DHCP itself is permant
|
||||
//
|
||||
NewVariable = NULL;
|
||||
|
||||
if (!NicConfig->Perment) {
|
||||
NewVariable = Ip4ConfigModifyVariable (Variable, &Instance->NicAddr, NULL);
|
||||
|
||||
} else if (NicConfig->Source == IP4_CONFIG_SOURCE_DHCP) {
|
||||
NetZeroMem (&NicConfig->Ip4Info, sizeof (EFI_IP4_IPCONFIG_DATA));
|
||||
NewVariable = Ip4ConfigModifyVariable (Variable, &Instance->NicAddr, NicConfig);
|
||||
|
||||
}
|
||||
|
||||
Ip4ConfigWriteVariable (NewVariable);
|
||||
|
||||
if (NewVariable != NULL) {
|
||||
NetFreePool (NewVariable);
|
||||
}
|
||||
|
||||
ON_EXIT:
|
||||
NetFreePool (Variable);
|
||||
|
||||
if (NicConfig != NULL) {
|
||||
NetFreePool (NicConfig);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
|
||||
ON_ERROR:
|
||||
if (Instance != NULL) {
|
||||
NetFreePool (Instance);
|
||||
}
|
||||
|
||||
if (Mnp != NULL) {
|
||||
gBS->CloseProtocol (
|
||||
MnpHandle,
|
||||
&gEfiManagedNetworkProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
ControllerHandle
|
||||
);
|
||||
}
|
||||
|
||||
NetLibDestroyServiceChild (
|
||||
ControllerHandle,
|
||||
This->DriverBindingHandle,
|
||||
&gEfiManagedNetworkProtocolGuid,
|
||||
MnpHandle
|
||||
);
|
||||
|
||||
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
|
||||
Ip4ConfigDriverBindingStop (
|
||||
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE ControllerHandle,
|
||||
IN UINTN NumberOfChildren,
|
||||
IN EFI_HANDLE *ChildHandleBuffer
|
||||
)
|
||||
{
|
||||
IP4_CONFIG_INSTANCE *Instance;
|
||||
EFI_IP4_CONFIG_PROTOCOL *Ip4Config;
|
||||
EFI_HANDLE NicHandle;
|
||||
EFI_STATUS Status;
|
||||
|
||||
//
|
||||
// IP4_CONFIG instance opens an MNP child. It may also create and open
|
||||
// a DHCP child. If this is the DHCP handle, stop the DHCP process. If
|
||||
// it is the MNP child, stop the whole driver.
|
||||
//
|
||||
//
|
||||
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
|
||||
|
||||
if (NicHandle != NULL) {
|
||||
//
|
||||
// Get our context back then clean the DHCP up. Notify the user if necessary.
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
NicHandle,
|
||||
&gEfiIp4ConfigProtocolGuid,
|
||||
(VOID **) &Ip4Config,
|
||||
This->DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
Instance = IP4_CONFIG_INSTANCE_FROM_IP4CONFIG (Ip4Config);
|
||||
ASSERT (ControllerHandle == Instance->Dhcp4Handle);
|
||||
|
||||
Ip4ConfigCleanDhcp4 (Instance);
|
||||
|
||||
Instance->State = IP4_CONFIG_STATE_CONFIGURED;
|
||||
Instance->Result = EFI_DEVICE_ERROR;
|
||||
|
||||
if (Instance->DoneEvent != NULL) {
|
||||
gBS->SignalEvent (Instance->DoneEvent);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// This is a MNP handle, stop the whole driver
|
||||
//
|
||||
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);
|
||||
|
||||
if (NicHandle == NULL) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// Get our context back.
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
NicHandle,
|
||||
&gEfiIp4ConfigProtocolGuid,
|
||||
(VOID **) &Ip4Config,
|
||||
This->DriverBindingHandle,
|
||||
ControllerHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
Instance = IP4_CONFIG_INSTANCE_FROM_IP4CONFIG (Ip4Config);
|
||||
|
||||
//
|
||||
// Unload the protocols first to inform the top drivers
|
||||
//
|
||||
Status = gBS->UninstallMultipleProtocolInterfaces (
|
||||
NicHandle,
|
||||
&gEfiIp4ConfigProtocolGuid,
|
||||
&Instance->Ip4ConfigProtocol,
|
||||
&gEfiNicIp4ConfigProtocolGuid,
|
||||
&Instance->NicIp4Protocol,
|
||||
NULL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Release all the resources
|
||||
//
|
||||
if (Instance->MnpHandle != NULL) {
|
||||
gBS->CloseProtocol (
|
||||
Instance->MnpHandle,
|
||||
&gEfiManagedNetworkProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
NicHandle
|
||||
);
|
||||
|
||||
NetLibDestroyServiceChild (
|
||||
NicHandle,
|
||||
Instance->Image,
|
||||
&gEfiManagedNetworkServiceBindingProtocolGuid,
|
||||
Instance->MnpHandle
|
||||
);
|
||||
|
||||
Instance->Mnp = NULL;
|
||||
Instance->MnpHandle = NULL;
|
||||
}
|
||||
|
||||
Ip4ConfigCleanConfig (Instance);
|
||||
mIp4ConfigNicList[Instance->NicIndex] = NULL;
|
||||
NetFreePool (Instance);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
EFI_DRIVER_BINDING_PROTOCOL gIp4ConfigDriverBinding = {
|
||||
Ip4ConfigDriverBindingSupported,
|
||||
Ip4ConfigDriverBindingStart,
|
||||
Ip4ConfigDriverBindingStop,
|
||||
0xa,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
Reference in New Issue
Block a user