REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the NetworkPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
		
			
				
	
	
		
			485 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			485 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Mtftp6 internal data structure and definition declaration.
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| 
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|   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved. <BR>
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| 
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|   SPDX-License-Identifier: BSD-2-Clause-Patent
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| 
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| **/
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| 
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| #ifndef __EFI_MTFTP6_IMPL_H__
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| #define __EFI_MTFTP6_IMPL_H__
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| 
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| #include <Uefi.h>
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| 
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| #include <Protocol/Udp6.h>
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| #include <Protocol/Mtftp6.h>
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| #include <Protocol/ServiceBinding.h>
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| #include <Protocol/DriverBinding.h>
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| 
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| #include <Library/DebugLib.h>
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| #include <Library/UefiDriverEntryPoint.h>
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| #include <Library/UefiBootServicesTableLib.h>
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| #include <Library/UefiLib.h>
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| #include <Library/BaseLib.h>
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| #include <Library/NetLib.h>
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| #include <Library/PrintLib.h>
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| 
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| typedef struct _MTFTP6_SERVICE   MTFTP6_SERVICE;
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| typedef struct _MTFTP6_INSTANCE  MTFTP6_INSTANCE;
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| 
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| #include "Mtftp6Driver.h"
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| #include "Mtftp6Option.h"
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| #include "Mtftp6Support.h"
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| 
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| #define MTFTP6_SERVICE_SIGNATURE   SIGNATURE_32 ('M', 'F', '6', 'S')
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| #define MTFTP6_INSTANCE_SIGNATURE  SIGNATURE_32 ('M', 'F', '6', 'I')
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| 
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| #define MTFTP6_DEFAULT_SERVER_CMD_PORT  69
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| #define MTFTP6_DEFAULT_TIMEOUT          3
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| #define MTFTP6_GET_MAPPING_TIMEOUT      3
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| #define MTFTP6_DEFAULT_MAX_RETRY        5
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| #define MTFTP6_DEFAULT_BLK_SIZE         512
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| #define MTFTP6_DEFAULT_WINDOWSIZE       1
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| #define MTFTP6_TICK_PER_SECOND          10000000U
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| 
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| #define MTFTP6_SERVICE_FROM_THIS(a)   CR (a, MTFTP6_SERVICE, ServiceBinding, MTFTP6_SERVICE_SIGNATURE)
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| #define MTFTP6_INSTANCE_FROM_THIS(a)  CR (a, MTFTP6_INSTANCE, Mtftp6, MTFTP6_INSTANCE_SIGNATURE)
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| 
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| extern EFI_MTFTP6_PROTOCOL  gMtftp6ProtocolTemplate;
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| 
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| typedef struct _MTFTP6_GETINFO_CONTEXT {
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|   EFI_MTFTP6_PACKET    **Packet;
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|   UINT32               *PacketLen;
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|   EFI_STATUS           Status;
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| } MTFTP6_GETINFO_CONTEXT;
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| 
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| //
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| // Control block for MTFTP6 instance, it's per configuration data.
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| //
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| struct _MTFTP6_INSTANCE {
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|   UINT32                    Signature;
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|   EFI_HANDLE                Handle;
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|   LIST_ENTRY                Link;
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|   EFI_MTFTP6_PROTOCOL       Mtftp6;
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|   MTFTP6_SERVICE            *Service;
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|   EFI_MTFTP6_CONFIG_DATA    *Config;
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| 
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|   EFI_MTFTP6_TOKEN          *Token;
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|   MTFTP6_EXT_OPTION_INFO    ExtInfo;
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| 
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|   UINT16                    BlkSize;
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|   UINT16                    LastBlk;
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|   LIST_ENTRY                BlkList;
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| 
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|   UINT16                    Operation;
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| 
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|   UINT16                    WindowSize;
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| 
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|   //
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|   // Record the total received and saved block number.
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|   //
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|   UINT64                    TotalBlock;
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| 
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|   //
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|   // Record the acked block number.
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|   //
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|   UINT64                    AckedBlock;
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| 
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|   EFI_IPv6_ADDRESS          ServerIp;
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|   UINT16                    ServerCmdPort;
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|   UINT16                    ServerDataPort;
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|   UDP_IO                    *UdpIo;
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| 
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|   EFI_IPv6_ADDRESS          McastIp;
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|   UINT16                    McastPort;
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|   UDP_IO                    *McastUdpIo;
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| 
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|   NET_BUF                   *LastPacket;
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|   UINT32                    CurRetry;
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|   UINT32                    MaxRetry;
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|   UINT32                    PacketToLive;
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|   UINT32                    Timeout;
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| 
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|   EFI_TPL                   OldTpl;
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|   BOOLEAN                   IsTransmitted;
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|   BOOLEAN                   IsMaster;
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|   BOOLEAN                   InDestroy;
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| };
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| 
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| //
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| // Control block for MTFTP6 service, it's per Nic handle.
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| //
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| struct _MTFTP6_SERVICE {
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|   UINT32                          Signature;
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|   EFI_SERVICE_BINDING_PROTOCOL    ServiceBinding;
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|   EFI_HANDLE                      Controller;
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|   EFI_HANDLE                      Image;
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| 
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|   UINT16                          ChildrenNum;
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|   LIST_ENTRY                      Children;
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|   //
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|   // It is used to be as internal calculagraph for all instances.
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|   //
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|   EFI_EVENT                       Timer;
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|   //
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|   // It is used to maintain the parent-child relationship between
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|   // mtftp driver and udp driver.
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|   //
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|   UDP_IO                          *DummyUdpIo;
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| };
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| 
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| typedef struct {
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|   EFI_SERVICE_BINDING_PROTOCOL    *ServiceBinding;
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|   UINTN                           NumberOfChildren;
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|   EFI_HANDLE                      *ChildHandleBuffer;
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| } MTFTP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
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| 
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| /**
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|   Returns the current operating mode data for the MTFTP6 instance.
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| 
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|   The GetModeData() function returns the current operating mode and
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|   cached data packet for the MTFTP6 instance.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[out] ModeData           The buffer in which the EFI MTFTPv6 Protocol driver mode
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|                                  data is returned.
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| 
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|   @retval  EFI_SUCCESS           The configuration data was returned successfully.
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|   @retval  EFI_OUT_OF_RESOURCES  The required mode data could not be allocated.
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|   @retval  EFI_INVALID_PARAMETER This is NULL, or ModeData is NULL.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6GetModeData (
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|   IN  EFI_MTFTP6_PROTOCOL   *This,
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|   OUT EFI_MTFTP6_MODE_DATA  *ModeData
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|   );
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| 
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| /**
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|   Initializes, changes, or resets the default operational setting for
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|   this EFI MTFTPv6 Protocol driver instance.
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| 
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|   The Configure() function is used to set and change the configuration
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|   data for this EFI MTFTPv6 Protocol driver instance. The configuration
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|   data can be reset to startup defaults by calling Configure() with
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|   MtftpConfigData set to NULL. Whenever the instance is reset, any
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|   pending operation is aborted. By changing the EFI MTFTPv6 Protocol
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|   driver instance configuration data, the client can connect to
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|   different MTFTPv6 servers. The configuration parameters in
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|   MtftpConfigData are used as the default parameters in later MTFTPv6
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|   operations and can be overridden in later operations.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[in]  MtftpConfigData    Pointer to the configuration data structure.
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| 
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|   @retval  EFI_SUCCESS           The EFI MTFTPv6 Protocol instance was configured successfully.
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|   @retval  EFI_INVALID_PARAMETER One or more following conditions are TRUE:
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|                                  - This is NULL.
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|                                  - MtftpConfigData.StationIp is neither zero nor one
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|                                    of the configured IP addresses in the underlying IPv6 driver.
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|                                  - MtftpConfigData.ServerIp is not a valid IPv6 unicast address.
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|                                  Note: It does not match the UEFI 2.3 Specification.
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|   @retval  EFI_ACCESS_DENIED     - The configuration could not be changed at this time because there
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|                                    is some MTFTP background operation in progress.
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|                                  - MtftpConfigData.LocalPort is already in use.
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|                                  Note: It does not match the UEFI 2.3 Specification.
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|   @retval  EFI_NO_MAPPING        The underlying IPv6 driver was responsible for choosing a source
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|                                  address for this instance, but no source address was available for use.
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|   @retval  EFI_OUT_OF_RESOURCES  The EFI MTFTPv6 Protocol driver instance data could not be
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|                                  allocated.
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|                                  Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_DEVICE_ERROR      An unexpected system or network error occurred. The EFI
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|                                  MTFTPv6 Protocol driver instance is not configured.
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|                                  Note: It is not defined in the UEFI 2.3 Specification.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6Configure (
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|   IN EFI_MTFTP6_PROTOCOL     *This,
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|   IN EFI_MTFTP6_CONFIG_DATA  *MtftpConfigData     OPTIONAL
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|   );
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| 
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| /**
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|   Get the information of the download from the server.
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| 
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|   The GetInfo() function assembles an MTFTPv6 request packet
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|   with options, sends it to the MTFTPv6 server, and may return
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|   an MTFTPv6 OACK, MTFTPv6 ERROR, or ICMP ERROR packet. Retries
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|   occur only if no response packets are received from the MTFTPv6
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|   server before the timeout expires.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[in]  OverrideData       Data that is used to override the existing parameters. If NULL, the
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|                                  default parameters that were set in the EFI_MTFTP6_PROTOCOL.Configure()
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|                                  function are used.
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|   @param[in]  Filename           Pointer to null-terminated ASCII file name string.
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|   @param[in]  ModeStr            Pointer to null-terminated ASCII mode string. If NULL, octet will be used
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|   @param[in]  OptionCount        Number of option/value string pairs in OptionList.
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|   @param[in]  OptionList         Pointer to array of option/value string pairs. Ignored if
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|                                  OptionCount is zero.
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|   @param[out] PacketLength       The number of bytes in the returned packet.
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|   @param[out] Packet             The pointer to the received packet. This buffer must be freed by
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|                                  the caller.
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| 
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|   @retval  EFI_SUCCESS              An MTFTPv6 OACK packet was received and is in the Packet.
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|                                     Note: It does not match the UEFI 2.3 Specification.
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|   @retval  EFI_INVALID_PARAMETER    One or more of the following conditions is TRUE:
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|                                     - This is NULL.
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|                                     - Filename is NULL.
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|                                     - OptionCount is not zero and OptionList is NULL.
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|                                     - One or more options in OptionList have wrong format.
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|                                     - PacketLength is NULL.
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|                                     - OverrideData.ServerIp is not a valid unicast IPv6 address.
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|   @retval  EFI_UNSUPPORTED          One or more options in the OptionList are unsupported by
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|                                     this implementation.
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|   @retval  EFI_NOT_STARTED          The EFI MTFTPv6 Protocol driver has not been started.
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|   @retval  EFI_NO_MAPPING           The underlying IPv6 driver was responsible for choosing a source
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|                                     address for this instance, but no source address was available for use.
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|   @retval  EFI_ACCESS_DENIED        The previous operation has not completed yet.
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|   @retval  EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
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|   @retval  EFI_TFTP_ERROR           An MTFTPv6 ERROR packet was received and is in the Packet.
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|   @retval  EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received, and the Packet is set to NULL.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received, and the Packet is set to NULL.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received, and the Packet is set to NULL.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received, and the Packet is set to NULL.
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|   @retval  EFI_ICMP_ERROR           Some other ICMP ERROR packet was received, and the Packet is set to NULL.
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|                                     Note: It does not match the UEFI 2.3 Specification.
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|   @retval  EFI_PROTOCOL_ERROR       An unexpected MTFTPv6 packet was received and is in the Packet.
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|   @retval  EFI_TIMEOUT              No responses were received from the MTFTPv6 server.
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|   @retval  EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6GetInfo (
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|   IN  EFI_MTFTP6_PROTOCOL       *This,
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|   IN  EFI_MTFTP6_OVERRIDE_DATA  *OverrideData         OPTIONAL,
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|   IN  UINT8                     *Filename,
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|   IN  UINT8                     *ModeStr              OPTIONAL,
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|   IN  UINT8                     OptionCount,
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|   IN  EFI_MTFTP6_OPTION         *OptionList           OPTIONAL,
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|   OUT UINT32                    *PacketLength,
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|   OUT EFI_MTFTP6_PACKET         **Packet              OPTIONAL
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|   );
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| 
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| /**
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|   Parse the options in an MTFTPv6 OACK packet.
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| 
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|   The ParseOptions() function parses the option fields in an MTFTPv6 OACK
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|   packet and returns the number of options that were found, and optionally,
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|   a list of pointers to the options in the packet. If one or more of the
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|   option fields are not valid, then EFI_PROTOCOL_ERROR is returned and
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|   *OptionCount and *OptionList stop at the last valid option.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[in]  PacketLen          Length of the OACK packet to be parsed.
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|   @param[in]  Packet             Pointer to the OACK packet to be parsed.
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|   @param[out] OptionCount        Pointer to the number of options in the following OptionList.
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|   @param[out] OptionList         Pointer to EFI_MTFTP6_OPTION storage. Each pointer in the
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|                                  OptionList points to the corresponding MTFTP option buffer
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|                                  in the Packet. Call the EFI Boot Service FreePool() to
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|                                  release the OptionList if the options in this OptionList
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|                                  are not needed any more.
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| 
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|   @retval  EFI_SUCCESS           The OACK packet was valid and the OptionCount, and
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|                                  OptionList parameters have been updated.
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|   @retval  EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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|                                  - PacketLen is 0.
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|                                  - Packet is NULL or Packet is not a valid MTFTPv6 packet.
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|                                  - OptionCount is NULL.
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|   @retval  EFI_NOT_FOUND         No options were found in the OACK packet.
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|   @retval  EFI_OUT_OF_RESOURCES  Storage for the OptionList array can not be allocated.
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|   @retval  EFI_PROTOCOL_ERROR    One or more of the option fields is invalid.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6ParseOptions (
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|   IN     EFI_MTFTP6_PROTOCOL  *This,
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|   IN     UINT32               PacketLen,
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|   IN     EFI_MTFTP6_PACKET    *Packet,
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|   OUT    UINT32               *OptionCount,
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|   OUT    EFI_MTFTP6_OPTION    **OptionList          OPTIONAL
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|   );
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| 
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| /**
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|   Download a file from an MTFTPv6 server.
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| 
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|   The ReadFile() function is used to initialize and start an MTFTPv6 download
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|   process and optionally wait for completion. When the download operation
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|   completes, whether successfully or not, the Token.Status field is updated
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|   by the EFI MTFTPv6 Protocol driver, and then Token.Event is signaled if it
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|   is not NULL.
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|   Data can be downloaded from the MTFTPv6 server into either of the following
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|   locations:
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|   - A fixed buffer that is pointed to by Token.Buffer.
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|   - A download service function that is pointed to by Token.CheckPacket.
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|   If both Token.Buffer and Token.CheckPacket are used, then Token.CheckPacket
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|   will be called first. If the call is successful, the packet will be stored
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|   in Token.Buffer.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[in]  Token              Pointer to the token structure to provide the parameters that are
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|                                  used in this operation.
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| 
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|   @retval  EFI_SUCCESS              The data file has been transferred successfully.
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|   @retval  EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
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|   @retval  EFI_BUFFER_TOO_SMALL     BufferSize is not zero but not large enough to hold the
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|                                     downloaded data in downloading process.
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|                                     Note: It does not match the UEFI 2.3 Specification.
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|   @retval  EFI_ABORTED              Current operation is aborted by user.
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|   @retval  EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received.
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|                                     Note: It is not defined in the UEFI 2.3 Specification.
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|   @retval  EFI_ICMP_ERROR           An ICMP ERROR packet was received.
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|   @retval  EFI_TIMEOUT              No responses were received from the MTFTPv6 server.
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|   @retval  EFI_TFTP_ERROR           An MTFTPv6 ERROR packet was received.
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|   @retval  EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6ReadFile (
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|   IN EFI_MTFTP6_PROTOCOL  *This,
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|   IN EFI_MTFTP6_TOKEN     *Token
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|   );
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| 
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| /**
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|   Send a file to an MTFTPv6 server.
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| 
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|   The WriteFile() function is used to initialize an uploading operation
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|   with the given option list, and optionally, wait for completion. If one
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|   or more of the options is not supported by the server, the unsupported
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|   options are ignored and a standard TFTP process starts instead. When
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|   the upload process completes, whether successfully or not, Token.Event
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|   is signaled, and the EFI MTFTPv6 Protocol driver updates Token.Status.
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|   The caller can supply the data to be uploaded in the following two modes:
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|   - Through the user-provided buffer.
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|   - Through a callback function.
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|   With the user-provided buffer, the Token.BufferSize field indicates
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|   the length of the buffer, and the driver will upload the data in the
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|   buffer. With an EFI_MTFTP6_PACKET_NEEDED callback function, the driver
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|   will call this callback function to get more data from the user to upload.
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| 
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|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
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|   @param[in]  Token              Pointer to the token structure to provide the parameters that are
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|                                  used in this operation.
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| 
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|   @retval  EFI_SUCCESS           The upload session has started.
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|   @retval  EFI_UNSUPPORTED       The operation is not supported by this implementation.
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|   @retval  EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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|                                  - This is NULL.
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|                                  - Token is NULL.
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|                                  - Token.Filename is NULL.
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|                                  - Token.OptionCount is not zero and Token.OptionList is NULL.
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|                                  - One or more options in Token.OptionList have wrong format.
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|                                  - Token.Buffer and Token.PacketNeeded are both NULL.
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|                                  - Token.OverrideData.ServerIp is not valid unicast IPv6 addresses.
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|   @retval  EFI_UNSUPPORTED       One or more options in the Token.OptionList are not
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|                                  supported by this implementation.
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|   @retval  EFI_NOT_STARTED       The EFI MTFTPv6 Protocol driver has not been started.
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|   @retval  EFI_NO_MAPPING        The underlying IPv6 driver was responsible for choosing a source
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|                                  address for this instance, but no source address was available for use.
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|   @retval  EFI_ALREADY_STARTED   This Token is already being used in another MTFTPv6 session.
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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 previous operation has not completed yet.
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|   @retval  EFI_DEVICE_ERROR      An unexpected network error or system error occurred.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| EfiMtftp6WriteFile (
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|   IN EFI_MTFTP6_PROTOCOL  *This,
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|   IN EFI_MTFTP6_TOKEN     *Token
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|   );
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| 
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| /**
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|   Download a data file directory from an MTFTPv6 server.
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| 
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|   The ReadDirectory() function is used to return a list of files on the
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|   MTFTPv6 server that are logically (or operationally) related to
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|   Token.Filename. The directory request packet that is sent to the server
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|   is built with the option list that was provided by caller, if present.
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|   The file information that the server returns is put into either of
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|   the following locations:
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|   - A fixed buffer that is pointed to by Token.Buffer.
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|   - A download service function that is pointed to by Token.CheckPacket.
 | |
|   If both Token.Buffer and Token.CheckPacket are used, then Token.CheckPacket
 | |
|   will be called first. If the call is successful, the packet will be stored
 | |
|   in Token.Buffer.
 | |
| 
 | |
|   @param[in]  This               Pointer to the EFI_MTFTP6_PROTOCOL instance.
 | |
|   @param[in]  Token              Pointer to the token structure to provide the parameters that are
 | |
|                                  used in this operation.
 | |
| 
 | |
|   @retval  EFI_SUCCESS           The MTFTPv6 related file "directory" has been downloaded.
 | |
|   @retval  EFI_UNSUPPORTED       The EFI MTFTPv6 Protocol driver does not support this function.
 | |
|   @retval  EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
 | |
|                                  - This is NULL.
 | |
|                                  - Token is NULL.
 | |
|                                  - Token.Filename is NULL.
 | |
|                                  - Token.OptionCount is not zero and Token.OptionList is NULL.
 | |
|                                  - One or more options in Token.OptionList have wrong format.
 | |
|                                  - Token.Buffer and Token.CheckPacket are both NULL.
 | |
|                                  - Token.OverrideData.ServerIp is not valid unicast IPv6 addresses.
 | |
|   @retval  EFI_UNSUPPORTED       One or more options in the Token.OptionList are not
 | |
|                                  supported by this implementation.
 | |
|   @retval  EFI_NOT_STARTED       The EFI MTFTPv6 Protocol driver has not been started.
 | |
|   @retval  EFI_NO_MAPPING        The underlying IPv6 driver was responsible for choosing a source
 | |
|                                  address for this instance, but no source address was available for use.
 | |
|   @retval  EFI_ALREADY_STARTED   This Token is already being used in another MTFTPv6 session.
 | |
|   @retval  EFI_OUT_OF_RESOURCES  Required system resources could not be allocated.
 | |
|   @retval  EFI_ACCESS_DENIED     The previous operation has not completed yet.
 | |
|   @retval  EFI_DEVICE_ERROR      An unexpected network error or system error occurred.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| EfiMtftp6ReadDirectory (
 | |
|   IN EFI_MTFTP6_PROTOCOL  *This,
 | |
|   IN EFI_MTFTP6_TOKEN     *Token
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Polls for incoming data packets and processes outgoing data packets.
 | |
| 
 | |
|   The Poll() function can be used by network drivers and applications
 | |
|   to increase the rate that data packets are moved between the
 | |
|   communications device and the transmit and receive queues.In some
 | |
|   systems, the periodic timer event in the managed network driver may
 | |
|   not poll the underlying communications device fast enough to transmit
 | |
|   and/or receive all data packets without missing incoming packets or
 | |
|   dropping outgoing packets. Drivers and applications that are
 | |
|   experiencing packet loss should try calling the Poll() function
 | |
|   more often.
 | |
| 
 | |
|   @param[in]  This                   The MTFTP6 protocol instance.
 | |
| 
 | |
| 
 | |
|   @retval  EFI_SUCCESS           Incoming or outgoing data was processed.
 | |
|   @retval  EFI_NOT_STARTED       This EFI MTFTPv6 Protocol instance has not been started.
 | |
|   @retval  EFI_INVALID_PARAMETER This is NULL.
 | |
|   @retval  EFI_DEVICE_ERROR      An unexpected system or network error occurred.
 | |
|   @retval  EFI_TIMEOUT           Data was dropped out of the transmit and/or receive queue.
 | |
|                                  Consider increasing the polling rate.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| EfiMtftp6Poll (
 | |
|   IN EFI_MTFTP6_PROTOCOL  *This
 | |
|   );
 | |
| 
 | |
| #endif
 |