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Scrubbed some code for Ip4ConfigDxe. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7100 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5 2008-12-23 08:23:43 +00:00
parent c3a78fc8f9
commit 402fa70fc9
7 changed files with 196 additions and 131 deletions
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11
MdeModulePkg/Universal/Network/Ip4ConfigDxe/ComponentName.c
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@ -1,21 +1,14 @@
/** @file /** @file
Copyright (c) 2006 - 2007, Intel Corporation Copyright (c) 2006 - 2007, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
ComponentName.c
Abstract:
**/ **/

103
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.c
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@ -1,23 +1,15 @@
/** @file /** @file
This code implements the IP4Config and NicIp4Config protocols.
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Ip4Config.c
Abstract:
This code implements the IP4Config and NicIp4Config protocols.
**/ **/
#include "Ip4Config.h" #include "Ip4Config.h"
@ -290,15 +282,49 @@ EfiNicIp4ConfigSetInfo (
/** /**
Start the auto configuration process. Starts running the configuration policy for the EFI IPv4 Protocol driver.
@param This The IP4 configure protocol The Start() function is called to determine and to begin the platform
@param DoneEvent The event to signal when auto configure is done configuration policy by the EFI IPv4 Protocol driver. This determination may
@param ReconfigEvent The event to signal when reconfigure is necessary. be as simple as returning EFI_UNSUPPORTED if there is no EFI IPv4 Protocol
driver configuration policy. It may be as involved as loading some defaults
from nonvolatile storage, downloading dynamic data from a DHCP server, and
checking permissions with a site policy server.
Starting the configuration policy is just the beginning. It may finish almost
instantly or it may take several minutes before it fails to retrieve configuration
information from one or more servers. Once the policy is started, drivers
should use the DoneEvent parameter to determine when the configuration policy
has completed. EFI_IP4_CONFIG_PROTOCOL.GetData() must then be called to
determine if the configuration succeeded or failed.
Until the configuration completes successfully, EFI IPv4 Protocol driver instances
that are attempting to use default configurations must return EFI_NO_MAPPING.
Once the configuration is complete, the EFI IPv4 Configuration Protocol driver
signals DoneEvent. The configuration may need to be updated in the future,
however; in this case, the EFI IPv4 Configuration Protocol driver must signal
ReconfigEvent, and all EFI IPv4 Protocol driver instances that are using default
configurations must return EFI_NO_MAPPING until the configuration policy has
been rerun.
@retval EFI_INVALID_PARAMETER One of the function parameters is NULL. @param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
@retval EFI_ALREADY_STARTED The auto configuration has already started. @param DoneEvent Event that will be signaled when the EFI IPv4
@retval EFI_SUCCESS The auto configure is successfully started. Protocol driver configuration policy completes
execution. This event must be of type EVT_NOTIFY_SIGNAL.
@param ReconfigEvent Event that will be signaled when the EFI IPv4
Protocol driver configuration needs to be updated.
This event must be of type EVT_NOTIFY_SIGNAL.
@retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol
driver is now running.
@retval EFI_INVALID_PARAMETER One or more of the following parameters is NULL:
This
DoneEvent
ReconfigEvent
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_ALREADY_STARTED The configuration policy for the EFI IPv4 Protocol
driver was already started.
@retval EFI_DEVICE_ERROR An unexpected system error or network error occurred.
@retval EFI_UNSUPPORTED This interface does not support the EFI IPv4 Protocol
driver configuration.
**/ **/
EFI_STATUS EFI_STATUS
@ -460,13 +486,18 @@ ON_EXIT:
/** /**
Stop the current auto configuration Stops running the configuration policy for the EFI IPv4 Protocol driver.
@param This The IP4 CONFIG protocol The Stop() function stops the configuration policy for the EFI IPv4 Protocol driver.
All configuration data will be lost after calling Stop().
@param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
@retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol
driver has been stopped.
@retval EFI_INVALID_PARAMETER This is NULL. @retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED The auto configuration hasn't been started. @retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol
@retval EFI_SUCCESS The auto configuration has been stopped. driver was not started.
**/ **/
EFI_STATUS EFI_STATUS
@ -508,16 +539,28 @@ ON_EXIT:
/** /**
Get the current outcome of the auto configuration process Returns the default configuration data (if any) for the EFI IPv4 Protocol driver.
@param This The IP4 CONFIG protocol The GetData() function returns the current configuration data for the EFI IPv4
@param ConfigDataSize The size of the configure data Protocol driver after the configuration policy has completed.
@param ConfigData The buffer to save the configure data
@retval EFI_INVALID_PARAMETER This or ConfigDataSize is NULL @param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
@retval EFI_BUFFER_TOO_SMALL The buffer is too small. The needed size is @param ConfigDataSize On input, the size of the ConfigData buffer.
returned in the ConfigDataSize. On output, the count of bytes that were written
@retval EFI_SUCCESS The configure data is put in the buffer into the ConfigData buffer.
@param ConfigData Pointer to the EFI IPv4 Configuration Protocol
driver configuration data structure.
Type EFI_IP4_IPCONFIG_DATA is defined in
"Related Definitions" below.
@retval EFI_SUCCESS The EFI IPv4 Protocol driver configuration has been returned.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol
driver is not running.
@retval EFI_NOT_READY EFI IPv4 Protocol driver configuration is still running.
@retval EFI_ABORTED EFI IPv4 Protocol driver configuration could not complete.
@retval EFI_BUFFER_TOO_SMALL *ConfigDataSize is smaller than the configuration
data buffer or ConfigData is NULL.
**/ **/
EFI_STATUS EFI_STATUS

18
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4Config.h
View File

@ -1,27 +1,19 @@
/** @file /** @file
Header file for IP4Config driver.
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Ip4Config.h
Abstract:
Header file for IP4Config driver.
**/ **/
#ifndef __EFI_IP4CONFIG_H__ #ifndef _EFI_IP4CONFIG_H_
#define __EFI_IP4CONFIG_H__ #define _EFI_IP4CONFIG_H_
#include <PiDxe.h> #include <PiDxe.h>

14
MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigDriver.c
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@ -1,23 +1,15 @@
/** @file /** @file
The driver binding for IP4 CONFIG protocol.
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Ip4ConfigDriver.c
Abstract:
The driver binding for IP4 CONFIG protocol.
**/ **/

23
MdeModulePkg/Universal/Network/Ip4ConfigDxe/NicIp4Variable.c
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@ -1,23 +1,15 @@
/** @file /** @file
Routines used to operate the Ip4 configure variable
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
NicIp4Variable.c
Abstract:
Routines used to operate the Ip4 configure variable
**/ **/
#include <Uefi.h> #include <Uefi.h>
@ -384,6 +376,15 @@ Ip4ConfigModifyVariable (
return NewVar; return NewVar;
} }
/**
Fix the RouteTable pointer in an EFI_IP4_IPCONFIG_DATA structure.
The pointer is set to be immediately follow the ConfigData if there're entries
in the RouteTable. Otherwise it is set to NULL.
@param ConfigData The IP4 IP configure data.
**/
VOID VOID
Ip4ConfigFixRouteTablePointer ( Ip4ConfigFixRouteTablePointer (
IN EFI_IP4_IPCONFIG_DATA *ConfigData IN EFI_IP4_IPCONFIG_DATA *ConfigData

25
MdeModulePkg/Universal/Network/Ip4ConfigDxe/NicIp4Variable.h
View File

@ -1,23 +1,15 @@
/** @file /** @file
Routines used to operate the Ip4 configure variable
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
NicIp4Variable.h
Abstract:
Routines used to operate the Ip4 configure variable
**/ **/
#ifndef _NIC_IP4_VARIABLE_H_ #ifndef _NIC_IP4_VARIABLE_H_
@ -96,7 +88,7 @@ Ip4ConfigWriteVariable (
@param NicAddr The interface address to check @param NicAddr The interface address to check
@return The point to the NIC's IP4 configure info if it is found @return The point to the NIC's IP4 configure info if it is found
@return in the IP4 variable, otherwise NULL. in the IP4 variable, otherwise NULL.
**/ **/
NIC_IP4_CONFIG_INFO * NIC_IP4_CONFIG_INFO *
@ -127,6 +119,15 @@ Ip4ConfigModifyVariable (
IN NIC_IP4_CONFIG_INFO *Config OPTIONAL IN NIC_IP4_CONFIG_INFO *Config OPTIONAL
); );
/**
Fix the RouteTable pointer in an EFI_IP4_IPCONFIG_DATA structure.
The pointer is set to be immediately follow the ConfigData if there're entries
in the RouteTable. Otherwise it is set to NULL.
@param ConfigData The IP4 IP configure data.
**/
VOID VOID
Ip4ConfigFixRouteTablePointer ( Ip4ConfigFixRouteTablePointer (
IN EFI_IP4_IPCONFIG_DATA *ConfigData IN EFI_IP4_IPCONFIG_DATA *ConfigData

95
MdePkg/Include/Protocol/Ip4Config.h
View File

@ -1,12 +1,11 @@
/** @file /** @file
This file provides a definition of the EFI IPv4 Configuration This file provides a definition of the EFI IPv4 Configuration
Protocol. Protocol.
Copyright (c) 2006 - 2008, Intel Corporation Copyright (c) 2006 - 2008, Intel Corporation.<BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at<BR>
http://opensource.org/licenses/bsd-license.php http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
@ -29,6 +28,14 @@ typedef struct _EFI_IP4_CONFIG_PROTOCOL EFI_IP4_CONFIG_PROTOCOL;
(EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | \ (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | \
EFI_VARIABLE_RUNTIME_ACCESS) EFI_VARIABLE_RUNTIME_ACCESS)
///
/// EFI_IP4_IPCONFIG_DATA contains the minimum IPv4 configuration data
/// that is needed to start basic network communication. The StationAddress
/// and SubnetMask must be a valid unicast IP address and subnet mask.
/// If RouteTableSize is not zero, then RouteTable contains a properly
/// formatted routing table for the StationAddress/SubnetMask, with the
/// last entry in the table being the default route.
///
typedef struct { typedef struct {
/// ///
/// Default station IP address, stored in network byte order. /// Default station IP address, stored in network byte order.
@ -44,6 +51,7 @@ typedef struct {
UINT32 RouteTableSize; UINT32 RouteTableSize;
/// ///
/// Default routing table data (stored in network byte order). /// Default routing table data (stored in network byte order).
/// Ignored if RouteTableSize is zero.
/// ///
EFI_IP4_ROUTE_TABLE *RouteTable; EFI_IP4_ROUTE_TABLE *RouteTable;
} EFI_IP4_IPCONFIG_DATA; } EFI_IP4_IPCONFIG_DATA;
@ -52,23 +60,47 @@ typedef struct {
/** /**
Starts running the configuration policy for the EFI IPv4 Protocol driver. Starts running the configuration policy for the EFI IPv4 Protocol driver.
@param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance. The Start() function is called to determine and to begin the platform
@param DoneEvent Event that will be signaled when the EFI IPv4 Protocol driver configuration policy by the EFI IPv4 Protocol driver. This determination may
configuration policy completes execution. This event must be of be as simple as returning EFI_UNSUPPORTED if there is no EFI IPv4 Protocol
type EVT_NOTIFY_SIGNAL. driver configuration policy. It may be as involved as loading some defaults
@param ReconfigEvent Event that will be signaled when the EFI IPv4 Protocol driver from nonvolatile storage, downloading dynamic data from a DHCP server, and
configuration needs to be updated. This event must be of type checking permissions with a site policy server.
EVT_NOTIFY_SIGNAL. Starting the configuration policy is just the beginning. It may finish almost
instantly or it may take several minutes before it fails to retrieve configuration
information from one or more servers. Once the policy is started, drivers
should use the DoneEvent parameter to determine when the configuration policy
has completed. EFI_IP4_CONFIG_PROTOCOL.GetData() must then be called to
determine if the configuration succeeded or failed.
Until the configuration completes successfully, EFI IPv4 Protocol driver instances
that are attempting to use default configurations must return EFI_NO_MAPPING.
Once the configuration is complete, the EFI IPv4 Configuration Protocol driver
signals DoneEvent. The configuration may need to be updated in the future,
however; in this case, the EFI IPv4 Configuration Protocol driver must signal
ReconfigEvent, and all EFI IPv4 Protocol driver instances that are using default
configurations must return EFI_NO_MAPPING until the configuration policy has
been rerun.
@retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol driver is now @param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
running. @param DoneEvent Event that will be signaled when the EFI IPv4
@retval EFI_INVALID_PARAMETER This, DoneEvent, or ReconfigEvent is NULL. Protocol driver configuration policy completes
execution. This event must be of type EVT_NOTIFY_SIGNAL.
@param ReconfigEvent Event that will be signaled when the EFI IPv4
Protocol driver configuration needs to be updated.
This event must be of type EVT_NOTIFY_SIGNAL.
@retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol
driver is now running.
@retval EFI_INVALID_PARAMETER One or more of the following parameters is NULL:
This
DoneEvent
ReconfigEvent
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated. @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_ALREADY_STARTED The configuration policy for the EFI IPv4 Protocol driver was @retval EFI_ALREADY_STARTED The configuration policy for the EFI IPv4 Protocol
already started. driver was already started.
@retval EFI_DEVICE_ERROR An unexpected system error or network error occurred. @retval EFI_DEVICE_ERROR An unexpected system error or network error occurred.
@retval EFI_UNSUPPORTED This interface does not support the EFI IPv4 Protocol driver @retval EFI_UNSUPPORTED This interface does not support the EFI IPv4 Protocol
configuration. driver configuration.
**/ **/
typedef typedef
@ -82,11 +114,16 @@ EFI_STATUS
/** /**
Stops running the configuration policy for the EFI IPv4 Protocol driver. Stops running the configuration policy for the EFI IPv4 Protocol driver.
The Stop() function stops the configuration policy for the EFI IPv4 Protocol driver.
All configuration data will be lost after calling Stop().
@param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance. @param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
@retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol driver has been stopped. @retval EFI_SUCCESS The configuration policy for the EFI IPv4 Protocol
driver has been stopped.
@retval EFI_INVALID_PARAMETER This is NULL. @retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol driver was not started. @retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol
driver was not started.
**/ **/
typedef typedef
@ -98,20 +135,26 @@ EFI_STATUS
/** /**
Returns the default configuration data (if any) for the EFI IPv4 Protocol driver. Returns the default configuration data (if any) for the EFI IPv4 Protocol driver.
The GetData() function returns the current configuration data for the EFI IPv4
Protocol driver after the configuration policy has completed.
@param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance. @param This Pointer to the EFI_IP4_CONFIG_PROTOCOL instance.
@param IpConfigDataSize On input, the size of the IpConfigData buffer. @param IpConfigDataSize On input, the size of the IpConfigData buffer.
On output, the count of bytes that were written into the IpConfigData buffer. On output, the count of bytes that were written
@param IpConfigData Pointer to the EFI IPv4 Configuration Protocol driver into the IpConfigData buffer.
configuration data structure. @param IpConfigData Pointer to the EFI IPv4 Configuration Protocol
driver configuration data structure.
Type EFI_IP4_IPCONFIG_DATA is defined in
"Related Definitions" below.
@retval EFI_SUCCESS The EFI IPv4 Protocol driver configuration has been returned. @retval EFI_SUCCESS The EFI IPv4 Protocol driver configuration has been returned.
@retval EFI_INVALID_PARAMETER This is NULL. @retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol driver is not @retval EFI_NOT_STARTED The configuration policy for the EFI IPv4 Protocol
running. driver is not running.
@retval EFI_NOT_READY EFI IPv4 Protocol driver configuration is still running. @retval EFI_NOT_READY EFI IPv4 Protocol driver configuration is still running.
@retval EFI_ABORTED EFI IPv4 Protocol driver configuration could not complete. @retval EFI_ABORTED EFI IPv4 Protocol driver configuration could not complete.
@retval EFI_BUFFER_TOO_SMALL *IpConfigDataSize is smaller than the configuration data @retval EFI_BUFFER_TOO_SMALL *IpConfigDataSize is smaller than the configuration
buffer or IpConfigData is NULL. data buffer or IpConfigData is NULL.
**/ **/
typedef typedef