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Ip4Config2 protocol implementation must request for DNS server info when the policy is set to DHCP. And when a DHCP server responds to it with a list of DNS server addresses, it must parse it and set it for the instance. Without this, nobody can do a Ip4Config->GetData for DNS server IPs before calling Dns->Configure(). This will mean a DHCP is initiated when calling Dns->Configure(), thus causing serious performance issues. This patch attempts to address this issue. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud@hpe.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Samer El-Haj-Mahmoud <elhaj@hpe.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18560 6f19259b-4bc3-4df7-8a09-765794883524
271 lines
9.3 KiB
C
271 lines
9.3 KiB
C
/** @file
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Definitions for EFI IPv4 Configuration II Protocol implementation.
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __IP4_CONFIG2_IMPL_H__
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#define __IP4_CONFIG2_IMPL_H__
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#define IP4_CONFIG2_INSTANCE_SIGNATURE SIGNATURE_32 ('I', 'P', 'C', '2')
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#define IP4_FORM_CALLBACK_INFO_SIGNATURE SIGNATURE_32 ('I', 'F', 'C', 'I')
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#define IP4_CONFIG2_VARIABLE_ATTRIBUTE (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS)
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#define DATA_ATTRIB_SIZE_FIXED 0x1
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#define DATA_ATTRIB_VOLATILE 0x2
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#define DHCP_TAG_PARA_LIST 55
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#define DHCP_TAG_NETMASK 1
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#define DHCP_TAG_ROUTER 3
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#define DHCP_TAG_DNS_SERVER 6
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#define DATA_ATTRIB_SET(Attrib, Bits) (BOOLEAN)((Attrib) & (Bits))
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#define SET_DATA_ATTRIB(Attrib, Bits) ((Attrib) |= (Bits))
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typedef struct _IP4_CONFIG2_INSTANCE IP4_CONFIG2_INSTANCE;
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#define IP4_CONFIG2_INSTANCE_FROM_PROTOCOL(Proto) \
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CR ((Proto), \
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IP4_CONFIG2_INSTANCE, \
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Ip4Config2, \
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IP4_CONFIG2_INSTANCE_SIGNATURE \
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)
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#define IP4_SERVICE_FROM_IP4_CONFIG2_INSTANCE(Instance) \
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CR ((Instance), \
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IP4_SERVICE, \
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Ip4Config2Instance, \
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IP4_SERVICE_SIGNATURE \
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)
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#define IP4_CONFIG2_INSTANCE_FROM_FORM_CALLBACK(Callback) \
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CR ((Callback), \
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IP4_CONFIG2_INSTANCE, \
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CallbackInfo, \
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IP4_CONFIG2_INSTANCE_SIGNATURE \
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)
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#define IP4_FORM_CALLBACK_INFO_FROM_CONFIG_ACCESS(ConfigAccess) \
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CR ((ConfigAccess), \
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IP4_FORM_CALLBACK_INFO, \
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HiiConfigAccessProtocol, \
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IP4_FORM_CALLBACK_INFO_SIGNATURE \
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)
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/**
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The prototype of work function for EfiIp4Config2SetData().
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@param[in] Instance The pointer to the IP4 config2 instance data.
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@param[in] DataSize In bytes, the size of the buffer pointed to by Data.
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@param[in] Data The data buffer to set.
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@retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type,
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8 bytes.
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@retval EFI_SUCCESS The specified configuration data for the EFI IPv4
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network stack was set successfully.
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**/
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typedef
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EFI_STATUS
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(*IP4_CONFIG2_SET_DATA) (
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IN IP4_CONFIG2_INSTANCE *Instance,
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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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The prototype of work function for EfiIp4Config2GetData().
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@param[in] Instance The pointer to the IP4 config2 instance data.
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@param[in, out] DataSize On input, in bytes, the size of Data. On output, in
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bytes, the size of buffer required to store the specified
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configuration data.
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@param[in] Data The data buffer in which the configuration data is returned.
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Ignored if DataSize is ZERO.
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@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified
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configuration data, and the required size is
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returned in DataSize.
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@retval EFI_SUCCESS The specified configuration data was obtained successfully.
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**/
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typedef
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EFI_STATUS
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(*IP4_CONFIG2_GET_DATA) (
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IN IP4_CONFIG2_INSTANCE *Instance,
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IN OUT UINTN *DataSize,
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IN VOID *Data OPTIONAL
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);
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typedef union {
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VOID *Ptr;
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EFI_IP4_CONFIG2_INTERFACE_INFO *IfInfo;
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EFI_IP4_CONFIG2_POLICY *Policy;
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EFI_IP4_CONFIG2_MANUAL_ADDRESS *ManualAddress;
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EFI_IPv4_ADDRESS *Gateway;
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EFI_IPv4_ADDRESS *DnsServers;
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} IP4_CONFIG2_DATA;
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typedef struct {
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IP4_CONFIG2_SET_DATA SetData;
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IP4_CONFIG2_GET_DATA GetData;
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EFI_STATUS Status;
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UINT8 Attribute;
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NET_MAP EventMap;
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IP4_CONFIG2_DATA Data;
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UINTN DataSize;
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} IP4_CONFIG2_DATA_ITEM;
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typedef struct {
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UINT16 Offset;
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UINT32 DataSize;
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EFI_IP4_CONFIG2_DATA_TYPE DataType;
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} IP4_CONFIG2_DATA_RECORD;
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#pragma pack(1)
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//
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// heap data that contains the data for each data record.
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//
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// EFI_IP4_CONFIG2_POLICY Policy;
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// UINT32 ManualaddressCount;
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// UINT32 GatewayCount;
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// UINT32 DnsServersCount;
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// EFI_IP4_CONFIG2_MANUAL_ADDRESS ManualAddress[];
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// EFI_IPv4_ADDRESS Gateway[];
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// EFI_IPv4_ADDRESS DnsServers[];
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//
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typedef struct {
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UINT16 Checksum;
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UINT16 DataRecordCount;
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IP4_CONFIG2_DATA_RECORD DataRecord[1];
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} IP4_CONFIG2_VARIABLE;
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#pragma pack()
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typedef struct {
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EFI_IP4_CONFIG2_POLICY Policy; ///< manual or automatic
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EFI_IP4_CONFIG2_MANUAL_ADDRESS *ManualAddress; ///< IP addresses
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UINT32 ManualAddressCount; ///< IP addresses count
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EFI_IPv4_ADDRESS *GatewayAddress; ///< Gateway address
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UINT32 GatewayAddressCount; ///< Gateway address count
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EFI_IPv4_ADDRESS *DnsAddress; ///< DNS server address
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UINT32 DnsAddressCount; ///< DNS server address count
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} IP4_CONFIG2_NVDATA;
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typedef struct _IP4_FORM_CALLBACK_INFO {
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UINT32 Signature;
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EFI_HANDLE ChildHandle;
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EFI_HII_CONFIG_ACCESS_PROTOCOL HiiConfigAccessProtocol;
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EFI_DEVICE_PATH_PROTOCOL *HiiVendorDevicePath;
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EFI_HII_HANDLE RegisteredHandle;
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} IP4_FORM_CALLBACK_INFO;
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struct _IP4_CONFIG2_INSTANCE {
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UINT32 Signature;
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BOOLEAN Configured;
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LIST_ENTRY Link;
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UINT16 IfIndex;
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EFI_IP4_CONFIG2_PROTOCOL Ip4Config2;
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EFI_IP4_CONFIG2_INTERFACE_INFO InterfaceInfo;
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EFI_IP4_CONFIG2_POLICY Policy;
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IP4_CONFIG2_DATA_ITEM DataItem[Ip4Config2DataTypeMaximum];
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EFI_EVENT Dhcp4SbNotifyEvent;
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VOID *Registration;
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EFI_HANDLE Dhcp4Handle;
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EFI_DHCP4_PROTOCOL *Dhcp4;
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BOOLEAN DhcpSuccess;
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BOOLEAN OtherInfoOnly;
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EFI_EVENT Dhcp4Event;
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UINT32 FailedIaAddressCount;
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EFI_IPv4_ADDRESS *DeclineAddress;
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UINT32 DeclineAddressCount;
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IP4_FORM_CALLBACK_INFO CallbackInfo;
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IP4_CONFIG2_NVDATA Ip4NvData;
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};
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//
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// Configure the DHCP to request the routers and netmask
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// from server. The DHCP_TAG_NETMASK is included in Head.
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//
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#pragma pack(1)
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typedef struct {
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EFI_DHCP4_PACKET_OPTION Head;
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UINT8 Route;
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UINT8 Dns;
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} IP4_CONFIG2_DHCP4_OPTION;
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#pragma pack()
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/**
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Start the DHCP configuration for this IP service instance.
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It will locates the EFI_IP4_CONFIG2_PROTOCOL, then start the
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DHCP configuration.
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@param[in] Instance The IP4 config2 instance to configure.
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@retval EFI_SUCCESS The auto configuration is successfull started.
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@retval Others Failed to start auto configuration.
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**/
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EFI_STATUS
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Ip4StartAutoConfig (
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IN IP4_CONFIG2_INSTANCE *Instance
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);
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/**
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Initialize an IP4_CONFIG2_INSTANCE.
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@param[out] Instance The buffer of IP4_CONFIG2_INSTANCE to be initialized.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources to complete the operation.
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@retval EFI_SUCCESS The IP4_CONFIG2_INSTANCE initialized successfully.
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**/
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EFI_STATUS
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Ip4Config2InitInstance (
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OUT IP4_CONFIG2_INSTANCE *Instance
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);
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/**
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Release an IP4_CONFIG2_INSTANCE.
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@param[in, out] Instance The buffer of IP4_CONFIG2_INSTANCE to be freed.
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**/
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VOID
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Ip4Config2CleanInstance (
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IN OUT IP4_CONFIG2_INSTANCE *Instance
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);
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/**
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Destroy the Dhcp4 child in IP4_CONFIG2_INSTANCE and release the resources.
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@param[in, out] Instance The buffer of IP4 config2 instance to be freed.
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@retval EFI_SUCCESS The child was successfully destroyed.
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@retval Others Failed to destroy the child.
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**/
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EFI_STATUS
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Ip4Config2DestroyDhcp4 (
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IN OUT IP4_CONFIG2_INSTANCE *Instance
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);
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#endif
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