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318 lines
14 KiB
C
318 lines
14 KiB
C
/** @file
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This file provides a definition of the EFI IPv4 Configuration II
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Protocol.
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Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.5
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**/
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#ifndef __EFI_IP4CONFIG2_PROTOCOL_H__
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#define __EFI_IP4CONFIG2_PROTOCOL_H__
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#include <Protocol/Ip4.h>
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#define EFI_IP4_CONFIG2_PROTOCOL_GUID \
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{ \
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0x5b446ed1, 0xe30b, 0x4faa, {0x87, 0x1a, 0x36, 0x54, 0xec, 0xa3, 0x60, 0x80 } \
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}
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typedef struct _EFI_IP4_CONFIG2_PROTOCOL EFI_IP4_CONFIG2_PROTOCOL;
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///
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/// EFI_IP4_CONFIG2_DATA_TYPE
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///
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typedef enum {
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///
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/// The interface information of the communication device this EFI
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/// IPv4 Configuration II Protocol instance manages. This type of
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/// data is read only. The corresponding Data is of type
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/// EFI_IP4_CONFIG2_INTERFACE_INFO.
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///
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Ip4Config2DataTypeInterfaceInfo,
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///
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/// The general configuration policy for the EFI IPv4 network stack
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/// running on the communication device this EFI IPv4
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/// Configuration II Protocol instance manages. The policy will
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/// affect other configuration settings. The corresponding Data is of
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/// type EFI_IP4_CONFIG2_POLICY.
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///
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Ip4Config2DataTypePolicy,
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///
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/// The station addresses set manually for the EFI IPv4 network
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/// stack. It is only configurable when the policy is
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/// Ip4Config2PolicyStatic. The corresponding Data is of
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/// type EFI_IP4_CONFIG2_MANUAL_ADDRESS. When DataSize
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/// is 0 and Data is NULL, the existing configuration is cleared
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/// from the EFI IPv4 Configuration II Protocol instance.
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///
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Ip4Config2DataTypeManualAddress,
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///
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/// The gateway addresses set manually for the EFI IPv4 network
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/// stack running on the communication device this EFI IPv4
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/// Configuration II Protocol manages. It is not configurable when
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/// the policy is Ip4Config2PolicyDhcp. The gateway
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/// addresses must be unicast IPv4 addresses. The corresponding
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/// Data is a pointer to an array of EFI_IPv4_ADDRESS instances.
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/// When DataSize is 0 and Data is NULL, the existing configuration
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/// is cleared from the EFI IPv4 Configuration II Protocol instance.
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///
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Ip4Config2DataTypeGateway,
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///
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/// The DNS server list for the EFI IPv4 network stack running on
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/// the communication device this EFI IPv4 Configuration II
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/// Protocol manages. It is not configurable when the policy is
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/// Ip4Config2PolicyDhcp. The DNS server addresses must be
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/// unicast IPv4 addresses. The corresponding Data is a pointer to
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/// an array of EFI_IPv4_ADDRESS instances. When DataSize
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/// is 0 and Data is NULL, the existing configuration is cleared
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/// from the EFI IPv4 Configuration II Protocol instance.
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///
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Ip4Config2DataTypeDnsServer,
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Ip4Config2DataTypeMaximum
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} EFI_IP4_CONFIG2_DATA_TYPE;
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///
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/// EFI_IP4_CONFIG2_INTERFACE_INFO related definitions
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///
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#define EFI_IP4_CONFIG2_INTERFACE_INFO_NAME_SIZE 32
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///
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/// EFI_IP4_CONFIG2_INTERFACE_INFO
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///
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typedef struct {
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///
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/// The name of the interface. It is a NULL-terminated Unicode string.
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///
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CHAR16 Name[EFI_IP4_CONFIG2_INTERFACE_INFO_NAME_SIZE];
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///
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/// The interface type of the network interface. See RFC 1700,
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/// section "Number Hardware Type".
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///
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UINT8 IfType;
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///
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/// The size, in bytes, of the network interface's hardware address.
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///
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UINT32 HwAddressSize;
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///
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/// The hardware address for the network interface.
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///
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EFI_MAC_ADDRESS HwAddress;
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///
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/// The station IPv4 address of this EFI IPv4 network stack.
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///
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EFI_IPv4_ADDRESS StationAddress;
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///
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/// The subnet address mask that is associated with the station address.
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///
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EFI_IPv4_ADDRESS SubnetMask;
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///
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/// Size of the following RouteTable, in bytes. May be zero.
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///
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UINT32 RouteTableSize;
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///
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/// The route table of the IPv4 network stack runs on this interface.
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/// Set to NULL if RouteTableSize is zero. Type EFI_IP4_ROUTE_TABLE is defined in
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/// EFI_IP4_PROTOCOL.GetModeData().
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///
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EFI_IP4_ROUTE_TABLE *RouteTable OPTIONAL;
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} EFI_IP4_CONFIG2_INTERFACE_INFO;
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///
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/// EFI_IP4_CONFIG2_POLICY
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///
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typedef enum {
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///
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/// Under this policy, the Ip4Config2DataTypeManualAddress,
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/// Ip4Config2DataTypeGateway and Ip4Config2DataTypeDnsServer configuration
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/// data are required to be set manually. The EFI IPv4 Protocol will get all
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/// required configuration such as IPv4 address, subnet mask and
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/// gateway settings from the EFI IPv4 Configuration II protocol.
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///
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Ip4Config2PolicyStatic,
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///
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/// Under this policy, the Ip4Config2DataTypeManualAddress,
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/// Ip4Config2DataTypeGateway and Ip4Config2DataTypeDnsServer configuration data are
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/// not allowed to set via SetData(). All of these configurations are retrieved from DHCP
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/// server or other auto-configuration mechanism.
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///
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Ip4Config2PolicyDhcp,
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Ip4Config2PolicyMax
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} EFI_IP4_CONFIG2_POLICY;
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///
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/// EFI_IP4_CONFIG2_MANUAL_ADDRESS
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///
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typedef struct {
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///
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/// The IPv4 unicast address.
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///
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EFI_IPv4_ADDRESS Address;
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///
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/// The subnet mask.
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///
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EFI_IPv4_ADDRESS SubnetMask;
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} EFI_IP4_CONFIG2_MANUAL_ADDRESS;
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/**
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Set the configuration for the EFI IPv4 network stack running on the communication device this EFI
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IPv4 Configuration II Protocol instance manages.
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This function is used to set the configuration data of type DataType for the EFI IPv4 network stack
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running on the communication device this EFI IPv4 Configuration II Protocol instance manages.
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The successfully configured data is valid after system reset or power-off.
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The DataSize is used to calculate the count of structure instances in the Data for some
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DataType that multiple structure instances are allowed.
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This function is always non-blocking. When setting some typeof configuration data, an
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asynchronous process is invoked to check the correctness of the data, such as doing address conflict
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detection on the manually set local IPv4 address. EFI_NOT_READY is returned immediately to
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indicate that such an asynchronous process is invoked and the process is not finished yet. The caller
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willing to get the result of the asynchronous process is required to call RegisterDataNotify()
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to register an event on the specified configuration data. Once the event is signaled, the caller can call
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GetData()to get back the configuration data in order to know the result. For other types of
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configuration data that do not require an asynchronous configuration process, the result of the
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operation is immediately returned.
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@param[in] This Pointer to the EFI_IP4_CONFIG2_PROTOCOL instance.
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@param[in] DataType The type of data to set.
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@param[in] DataSize Size of the buffer pointed to by Data in bytes.
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@param[in] Data The data buffer to set. The type ofthe data buffer is associated
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with the DataType.
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@retval EFI_SUCCESS The specified configuration data for the EFI IPv4 network stack is set
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successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
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This is NULL.
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One or more fields in Data and DataSize do not match the
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requirement of the data type indicated by DataType.
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@retval EFI_WRITE_PROTECTED The specified configuration data is read-only or the specified configuration
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data can not be set under the current policy.
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@retval EFI_ACCESS_DENIED Another set operation on the specified configuration data is already in process.
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@retval EFI_NOT_READY An asynchronous process is invoked to set the specified configuration data and
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the process is not finished yet.
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@retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type indicated by DataType.
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@retval EFI_UNSUPPORTED This DataType is not supported.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_DEVICE_ERROR An unexpected system error or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP4_CONFIG2_SET_DATA) (
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IN EFI_IP4_CONFIG2_PROTOCOL *This,
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IN EFI_IP4_CONFIG2_DATA_TYPE DataType,
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IN UINTN DataSize,
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IN VOID *Data
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);
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/**
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Get the configuration data for the EFI IPv4 network stack running on the communication device this
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EFI IPv4 Configuration II Protocol instance manages.
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This function returns the configuration data of type DataType for the EFI IPv4 network stack
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running on the communication device this EFI IPv4 Configuration II Protocol instance manages.
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The caller is responsible for allocating the buffer usedto return the specified configuration data and
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the required size will be returned to the caller if the size of the buffer is too small.
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EFI_NOT_READY is returned if the specified configuration data is not ready due to an already in
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progress asynchronous configuration process. The caller can call RegisterDataNotify() to
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register an event on the specified configuration data. Once the asynchronous configuration process is
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finished, the event will be signaled and a subsequent GetData() call will return the specified
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configuration data.
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@param[in] This Pointer to the EFI_IP4_CONFIG2_PROTOCOL instance.
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@param[in] DataType The type of data to get.
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@param[out] DataSize On input, in bytes, the size of Data. On output, in bytes, the size
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of buffer required to store the specified configuration data.
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@param[in] Data The data buffer in which the configuration data is returned. The
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type of the data buffer is associated with the DataType. Ignored
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if DataSize is 0.
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@retval EFI_SUCCESS The specified configuration data is got successfully.
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@retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
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This is NULL.
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DataSize is NULL.
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Data is NULL if *DataSizeis not zero.
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@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified configuration data
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and the required size is returned in DataSize.
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@retval EFI_NOT_READY The specified configuration data is not ready due to an already in
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progress asynchronous configuration process.
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@retval EFI_NOT_FOUND The specified configuration data is not found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP4_CONFIG2_GET_DATA) (
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IN EFI_IP4_CONFIG2_PROTOCOL *This,
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IN EFI_IP4_CONFIG2_DATA_TYPE DataType,
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IN OUT UINTN *DataSize,
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IN VOID *Data OPTIONAL
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);
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/**
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Register an event that is to be signaled whenever a configuration process on the specified
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configuration data is done.
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This function registers an event that is to be signaled whenever a configuration process on the
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specified configuration data is done. An event can be registered for different DataType
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simultaneously and the caller is responsible for determining which type of configuration data causes
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the signaling of the event in such case.
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@param[in] This Pointer to the EFI_IP4_CONFIG2_PROTOCOL instance.
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@param[in] DataType The type of data to unregister the event for.
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@param[in] Event The event to register.
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@retval EFI_SUCCESS The notification event for the specified configuration data is
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registered.
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@retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
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@retval EFI_UNSUPPORTED The configuration data type specified by DataType is not supported.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_ACCESS_DENIED The Event is already registered for the DataType.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP4_CONFIG2_REGISTER_NOTIFY) (
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IN EFI_IP4_CONFIG2_PROTOCOL *This,
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IN EFI_IP4_CONFIG2_DATA_TYPE DataType,
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IN EFI_EVENT Event
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);
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/**
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Remove a previously registered event for the specified configuration data.
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This function removes a previously registeredevent for the specified configuration data.
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@param[in] This Pointer to the EFI_IP4_CONFIG2_PROTOCOL instance.
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@param[in] DataType The type of data to remove the previously registered event for.
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@param[in] Event The event to unregister.
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@retval EFI_SUCCESS The event registered for the specified configuration data is removed.
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@retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
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@retval EFI_NOT_FOUND The Eventhas not been registered for the specified DataType.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP4_CONFIG2_UNREGISTER_NOTIFY) (
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IN EFI_IP4_CONFIG2_PROTOCOL *This,
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IN EFI_IP4_CONFIG2_DATA_TYPE DataType,
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IN EFI_EVENT Event
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);
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///
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/// The EFI_IP4_CONFIG2_PROTOCOL is designed to be the central repository for the common
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/// configurations and the administrator configurable settings for the EFI IPv4 network stack.
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/// An EFI IPv4 Configuration II Protocol instance will be installed on each communication device that
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/// the EFI IPv4 network stack runs on.
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///
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struct _EFI_IP4_CONFIG2_PROTOCOL {
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EFI_IP4_CONFIG2_SET_DATA SetData;
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EFI_IP4_CONFIG2_GET_DATA GetData;
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EFI_IP4_CONFIG2_REGISTER_NOTIFY RegisterDataNotify;
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EFI_IP4_CONFIG2_UNREGISTER_NOTIFY UnregisterDataNotify;
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};
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extern EFI_GUID gEfiIp4Config2ProtocolGuid;
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#endif
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