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Diffstat (limited to 'src/include/ipxe/efi/Protocol/Mtftp6.h')
| -rw-r--r-- | src/include/ipxe/efi/Protocol/Mtftp6.h | 820 |
1 files changed, 820 insertions, 0 deletions
diff --git a/src/include/ipxe/efi/Protocol/Mtftp6.h b/src/include/ipxe/efi/Protocol/Mtftp6.h new file mode 100644 index 00000000..b08af87e --- /dev/null +++ b/src/include/ipxe/efi/Protocol/Mtftp6.h @@ -0,0 +1,820 @@ +/** @file + UEFI Multicast Trivial File Transfer Protocol v6 Definition, which is built upon + the EFI UDPv6 Protocol and provides basic services for client-side unicast and/or + multicast TFTP operations. + + Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR> + (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Revision Reference: + This Protocol is introduced in UEFI Specification 2.2 + +**/ + +#ifndef __EFI_MTFTP6_PROTOCOL_H__ +#define __EFI_MTFTP6_PROTOCOL_H__ + +FILE_LICENCE ( BSD2_PATENT ); + +#define EFI_MTFTP6_SERVICE_BINDING_PROTOCOL_GUID \ + { \ + 0xd9760ff3, 0x3cca, 0x4267, {0x80, 0xf9, 0x75, 0x27, 0xfa, 0xfa, 0x42, 0x23 } \ + } + +#define EFI_MTFTP6_PROTOCOL_GUID \ + { \ + 0xbf0a78ba, 0xec29, 0x49cf, {0xa1, 0xc9, 0x7a, 0xe5, 0x4e, 0xab, 0x6a, 0x51 } \ + } + +typedef struct _EFI_MTFTP6_PROTOCOL EFI_MTFTP6_PROTOCOL; +typedef struct _EFI_MTFTP6_TOKEN EFI_MTFTP6_TOKEN; + +/// +/// MTFTP Packet OpCodes +///@{ +#define EFI_MTFTP6_OPCODE_RRQ 1 ///< The MTFTPv6 packet is a read request. +#define EFI_MTFTP6_OPCODE_WRQ 2 ///< The MTFTPv6 packet is a write request. +#define EFI_MTFTP6_OPCODE_DATA 3 ///< The MTFTPv6 packet is a data packet. +#define EFI_MTFTP6_OPCODE_ACK 4 ///< The MTFTPv6 packet is an acknowledgement packet. +#define EFI_MTFTP6_OPCODE_ERROR 5 ///< The MTFTPv6 packet is an error packet. +#define EFI_MTFTP6_OPCODE_OACK 6 ///< The MTFTPv6 packet is an option acknowledgement packet. +#define EFI_MTFTP6_OPCODE_DIR 7 ///< The MTFTPv6 packet is a directory query packet. +#define EFI_MTFTP6_OPCODE_DATA8 8 ///< The MTFTPv6 packet is a data packet with a big block number. +#define EFI_MTFTP6_OPCODE_ACK8 9 ///< The MTFTPv6 packet is an acknowledgement packet with a big block number. +///@} + +/// +/// MTFTP ERROR Packet ErrorCodes +///@{ +/// +/// The error code is not defined. See the error message in the packet (if any) for details. +/// +#define EFI_MTFTP6_ERRORCODE_NOT_DEFINED 0 +/// +/// The file was not found. +/// +#define EFI_MTFTP6_ERRORCODE_FILE_NOT_FOUND 1 +/// +/// There was an access violation. +/// +#define EFI_MTFTP6_ERRORCODE_ACCESS_VIOLATION 2 +/// +/// The disk was full or its allocation was exceeded. +/// +#define EFI_MTFTP6_ERRORCODE_DISK_FULL 3 +/// +/// The MTFTPv6 operation was illegal. +/// +#define EFI_MTFTP6_ERRORCODE_ILLEGAL_OPERATION 4 +/// +/// The transfer ID is unknown. +/// +#define EFI_MTFTP6_ERRORCODE_UNKNOWN_TRANSFER_ID 5 +/// +/// The file already exists. +/// +#define EFI_MTFTP6_ERRORCODE_FILE_ALREADY_EXISTS 6 +/// +/// There is no such user. +/// +#define EFI_MTFTP6_ERRORCODE_NO_SUCH_USER 7 +/// +/// The request has been denied due to option negotiation. +/// +#define EFI_MTFTP6_ERRORCODE_REQUEST_DENIED 8 +///@} + +#pragma pack(1) + +/// +/// EFI_MTFTP6_REQ_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_RRQ for a read request + /// or OpCode = EFI_MTFTP6_OPCODE_WRQ for a write request. + /// + UINT16 OpCode; + /// + /// The file name to be downloaded or uploaded. + /// + UINT8 Filename[1]; +} EFI_MTFTP6_REQ_HEADER; + +/// +/// EFI_MTFTP6_OACK_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_OACK. + /// + UINT16 OpCode; + /// + /// The option strings in the option acknowledgement packet. + /// + UINT8 Data[1]; +} EFI_MTFTP6_OACK_HEADER; + +/// +/// EFI_MTFTP6_DATA_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_DATA. + /// + UINT16 OpCode; + /// + /// Block number of this data packet. + /// + UINT16 Block; + /// + /// The content of this data packet. + /// + UINT8 Data[1]; +} EFI_MTFTP6_DATA_HEADER; + +/// +/// EFI_MTFTP6_ACK_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_ACK. + /// + UINT16 OpCode; + /// + /// The block number of the data packet that is being acknowledged. + /// + UINT16 Block[1]; +} EFI_MTFTP6_ACK_HEADER; + +/// +/// EFI_MTFTP6_DATA8_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_DATA8. + /// + UINT16 OpCode; + /// + /// The block number of data packet. + /// + UINT64 Block; + /// + /// The content of this data packet. + /// + UINT8 Data[1]; +} EFI_MTFTP6_DATA8_HEADER; + +/// +/// EFI_MTFTP6_ACK8_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_ACK8. + /// + UINT16 OpCode; + /// + /// The block number of the data packet that is being acknowledged. + /// + UINT64 Block[1]; +} EFI_MTFTP6_ACK8_HEADER; + +/// +/// EFI_MTFTP6_ERROR_HEADER +/// +typedef struct { + /// + /// For this packet type, OpCode = EFI_MTFTP6_OPCODE_ERROR. + /// + UINT16 OpCode; + /// + /// The error number as defined by the MTFTPv6 packet error codes. + /// + UINT16 ErrorCode; + /// + /// Error message string. + /// + UINT8 ErrorMessage[1]; +} EFI_MTFTP6_ERROR_HEADER; + +/// +/// EFI_MTFTP6_PACKET +/// +typedef union { + UINT16 OpCode; ///< Type of packets as defined by the MTFTPv6 packet opcodes. + EFI_MTFTP6_REQ_HEADER Rrq; ///< Read request packet header. + EFI_MTFTP6_REQ_HEADER Wrq; ///< write request packet header. + EFI_MTFTP6_OACK_HEADER Oack; ///< Option acknowledge packet header. + EFI_MTFTP6_DATA_HEADER Data; ///< Data packet header. + EFI_MTFTP6_ACK_HEADER Ack; ///< Acknowledgement packet header. + EFI_MTFTP6_DATA8_HEADER Data8; ///< Data packet header with big block number. + EFI_MTFTP6_ACK8_HEADER Ack8; ///< Acknowledgement header with big block number. + EFI_MTFTP6_ERROR_HEADER Error; ///< Error packet header. +} EFI_MTFTP6_PACKET; + +#pragma pack() + +/// +/// EFI_MTFTP6_CONFIG_DATA +/// +typedef struct { + /// + /// The local IP address to use. Set to zero to let the underlying IPv6 + /// driver choose a source address. If not zero it must be one of the + /// configured IP addresses in the underlying IPv6 driver. + /// + EFI_IPv6_ADDRESS StationIp; + /// + /// Local port number. Set to zero to use the automatically assigned port number. + /// + UINT16 LocalPort; + /// + /// The IP address of the MTFTPv6 server. + /// + EFI_IPv6_ADDRESS ServerIp; + /// + /// The initial MTFTPv6 server port number. Request packets are + /// sent to this port. This number is almost always 69 and using zero + /// defaults to 69. + UINT16 InitialServerPort; + /// + /// The number of times to transmit MTFTPv6 request packets and wait for a response. + /// + UINT16 TryCount; + /// + /// The number of seconds to wait for a response after sending the MTFTPv6 request packet. + /// + UINT16 TimeoutValue; +} EFI_MTFTP6_CONFIG_DATA; + +/// +/// EFI_MTFTP6_MODE_DATA +/// +typedef struct { + /// + /// The configuration data of this instance. + /// + EFI_MTFTP6_CONFIG_DATA ConfigData; + /// + /// The number of option strings in the following SupportedOptions array. + /// + UINT8 SupportedOptionCount; + /// + /// An array of null-terminated ASCII option strings that are recognized and supported by + /// this EFI MTFTPv6 Protocol driver implementation. The buffer is + /// read only to the caller and the caller should NOT free the buffer. + /// + UINT8 **SupportedOptions; +} EFI_MTFTP6_MODE_DATA; + +/// +/// EFI_MTFTP_OVERRIDE_DATA +/// +typedef struct { + /// + /// IP address of the MTFTPv6 server. If set to all zero, the value that + /// was set by the EFI_MTFTP6_PROTOCOL.Configure() function will be used. + /// + EFI_IPv6_ADDRESS ServerIp; + /// + /// MTFTPv6 server port number. If set to zero, it will use the value + /// that was set by the EFI_MTFTP6_PROTOCOL.Configure() function. + /// + UINT16 ServerPort; + /// + /// Number of times to transmit MTFTPv6 request packets and wait + /// for a response. If set to zero, the value that was set by + /// theEFI_MTFTP6_PROTOCOL.Configure() function will be used. + /// + UINT16 TryCount; + /// + /// Number of seconds to wait for a response after sending the + /// MTFTPv6 request packet. If set to zero, the value that was set by + /// the EFI_MTFTP6_PROTOCOL.Configure() function will be used. + /// + UINT16 TimeoutValue; +} EFI_MTFTP6_OVERRIDE_DATA; + +/// +/// EFI_MTFTP6_OPTION +/// +typedef struct { + UINT8 *OptionStr; ///< Pointer to the null-terminated ASCII MTFTPv6 option string. + UINT8 *ValueStr; ///< Pointer to the null-terminated ASCII MTFTPv6 value string. +} EFI_MTFTP6_OPTION; + +/** + EFI_MTFTP6_TIMEOUT_CALLBACK is a callback function that the caller provides to capture the + timeout event in the EFI_MTFTP6_PROTOCOL.ReadFile(), EFI_MTFTP6_PROTOCOL.WriteFile() or + EFI_MTFTP6_PROTOCOL.ReadDirectory() functions. + + Whenever a timeout occurs, the EFI MTFTPv6 Protocol driver will call the EFI_MTFTP6_TIMEOUT_CALLBACK + function to notify the caller of the timeout event. Any status code other than EFI_SUCCESS + that is returned from this function will abort the current download process. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] Token The token that the caller provided in the EFI_MTFTP6_PROTOCOl.ReadFile(), + WriteFile() or ReadDirectory() function. + @param[in] PacketLen Indicates the length of the packet. + @param[in] Packet Pointer to an MTFTPv6 packet. + + @retval EFI_SUCCESS Operation success. + @retval Others Aborts session. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_CHECK_PACKET)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_TOKEN *Token, + IN UINT16 PacketLen, + IN EFI_MTFTP6_PACKET *Packet + ); + +/** + EFI_MTFTP6_TIMEOUT_CALLBACK is a callback function that the caller provides to capture the + timeout event in the EFI_MTFTP6_PROTOCOL.ReadFile(), EFI_MTFTP6_PROTOCOL.WriteFile() or + EFI_MTFTP6_PROTOCOL.ReadDirectory() functions. + + Whenever a timeout occurs, the EFI MTFTPv6 Protocol driver will call the EFI_MTFTP6_TIMEOUT_CALLBACK + function to notify the caller of the timeout event. Any status code other than EFI_SUCCESS + that is returned from this function will abort the current download process. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] Token The token that is provided in the EFI_MTFTP6_PROTOCOL.ReadFile() or + EFI_MTFTP6_PROTOCOL.WriteFile() or EFI_MTFTP6_PROTOCOL.ReadDirectory() + functions by the caller. + + @retval EFI_SUCCESS Operation success. + @retval Others Aborts session. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_TIMEOUT_CALLBACK)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_TOKEN *Token + ); + +/** + EFI_MTFTP6_PACKET_NEEDED is a callback function that the caller provides to feed data to the + EFI_MTFTP6_PROTOCOL.WriteFile() function. + + EFI_MTFTP6_PACKET_NEEDED provides another mechanism for the caller to provide data to upload + other than a static buffer. The EFI MTFTP6 Protocol driver always calls EFI_MTFTP6_PACKET_NEEDED + to get packet data from the caller if no static buffer was given in the initial call to + EFI_MTFTP6_PROTOCOL.WriteFile() function. Setting *Length to zero signals the end of the session. + Returning a status code other than EFI_SUCCESS aborts the session. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] Token The token provided in the EFI_MTFTP6_PROTOCOL.WriteFile() by the caller. + @param[in, out] Length Indicates the length of the raw data wanted on input, and the + length the data available on output. + @param[out] Buffer Pointer to the buffer where the data is stored. + + @retval EFI_SUCCESS Operation success. + @retval Others Aborts session. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_PACKET_NEEDED)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_TOKEN *Token, + IN OUT UINT16 *Length, + OUT VOID **Buffer + ); + +struct _EFI_MTFTP6_TOKEN { + /// + /// The status that is returned to the caller at the end of the operation + /// to indicate whether this operation completed successfully. + /// Defined Status values are listed below. + /// + EFI_STATUS Status; + /// + /// The event that will be signaled when the operation completes. If + /// set to NULL, the corresponding function will wait until the read or + /// write operation finishes. The type of Event must be EVT_NOTIFY_SIGNAL. + /// + EFI_EVENT Event; + /// + /// If not NULL, the data that will be used to override the existing + /// configure data. + /// + EFI_MTFTP6_OVERRIDE_DATA *OverrideData; + /// + /// Pointer to the null-terminated ASCII file name string. + /// + UINT8 *Filename; + /// + /// Pointer to the null-terminated ASCII mode string. If NULL, octet is used. + /// + UINT8 *ModeStr; + /// + /// Number of option/value string pairs. + /// + UINT32 OptionCount; + /// + /// Pointer to an array of option/value string pairs. Ignored if + /// OptionCount is zero. Both a remote server and this driver + /// implementation should support these options. If one or more + /// options are unrecognized by this implementation, it is sent to the + /// remote server without being changed. + /// + EFI_MTFTP6_OPTION *OptionList; + /// + /// On input, the size, in bytes, of Buffer. On output, the number + /// of bytes transferred. + /// + UINT64 BufferSize; + /// + /// Pointer to the data buffer. Data that is downloaded from the + /// MTFTPv6 server is stored here. Data that is uploaded to the + /// MTFTPv6 server is read from here. Ignored if BufferSize is zero. + /// + VOID *Buffer; + /// + /// Pointer to the context that will be used by CheckPacket, + /// TimeoutCallback and PacketNeeded. + /// + VOID *Context; + /// + /// Pointer to the callback function to check the contents of the + /// received packet. + /// + EFI_MTFTP6_CHECK_PACKET CheckPacket; + /// + /// Pointer to the function to be called when a timeout occurs. + /// + EFI_MTFTP6_TIMEOUT_CALLBACK TimeoutCallback; + /// + /// Pointer to the function to provide the needed packet contents. + /// Only used in WriteFile() operation. + /// + EFI_MTFTP6_PACKET_NEEDED PacketNeeded; +}; + +/** + Read the current operational settings. + + The GetModeData() function reads the current operational settings of this EFI MTFTPv6 + Protocol driver instance. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[out] ModeData The buffer in which the EFI MTFTPv6 Protocol driver mode + data is returned. + + @retval EFI_SUCCESS The configuration data was successfully returned. + @retval EFI_OUT_OF_RESOURCES The required mode data could not be allocated. + @retval EFI_INVALID_PARAMETER This is NULL or ModeData is NULL. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_GET_MODE_DATA)( + IN EFI_MTFTP6_PROTOCOL *This, + OUT EFI_MTFTP6_MODE_DATA *ModeData + ); + +/** + Initializes, changes, or resets the default operational setting for this EFI MTFTPv6 + Protocol driver instance. + + The Configure() function is used to set and change the configuration data for this EFI + MTFTPv6 Protocol driver instance. The configuration data can be reset to startup defaults by calling + Configure() with MtftpConfigData set to NULL. Whenever the instance is reset, any + pending operation is aborted. By changing the EFI MTFTPv6 Protocol driver instance configuration + data, the client can connect to different MTFTPv6 servers. The configuration parameters in + MtftpConfigData are used as the default parameters in later MTFTPv6 operations and can be + overridden in later operations. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] MtftpConfigData Pointer to the configuration data structure. + + @retval EFI_SUCCESS The EFI MTFTPv6 Protocol instance was configured successfully. + @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE: + - This is NULL. + - MtftpConfigData.StationIp is neither zero nor one + of the configured IP addresses in the underlying IPv6 driver. + - MtftpCofigData.ServerIp is not a valid IPv6 unicast address. + @retval EFI_ACCESS_DENIED - The configuration could not be changed at this time because there + is some MTFTP background operation in progress. + - MtftpCofigData.LocalPort is already in use. + @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_OUT_OF_RESOURCES The EFI MTFTPv6 Protocol driver instance data could not be + allocated. + @retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The EFI + MTFTPv6 Protocol driver instance is not configured. + + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_CONFIGURE)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_CONFIG_DATA *MtftpConfigData OPTIONAL + ); + +/** + Get information about a file from an MTFTPv6 server. + + The GetInfo() function assembles an MTFTPv6 request packet with options, sends it to the + MTFTPv6 server, and may return an MTFTPv6 OACK, MTFTPv6 ERROR, or ICMP ERROR packet. + Retries occur only if no response packets are received from the MTFTPv6 server before the + timeout expires. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] OverrideData Data that is used to override the existing parameters. If NULL, the + default parameters that were set in the EFI_MTFTP6_PROTOCOL.Configure() + function are used. + @param[in] Filename Pointer to null-terminated ASCII file name string. + @param[in] ModeStr Pointer to null-terminated ASCII mode string. If NULL, octet will be used + @param[in] OptionCount Number of option/value string pairs in OptionList. + @param[in] OptionList Pointer to array of option/value string pairs. Ignored if + OptionCount is zero. + @param[out] PacketLength The number of bytes in the returned packet. + @param[out] Packet The pointer to the received packet. This buffer must be freed by + the caller. + + @retval EFI_SUCCESS An MTFTPv6 OACK packet was received and is in the Packet. + @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE: + - This is NULL. + - Filename is NULL + - OptionCount is not zero and OptionList is NULL. + - One or more options in OptionList have wrong format. + - PacketLength is NULL. + - OverrideData.ServerIp is not valid unicast IPv6 addresses. + @retval EFI_UNSUPPORTED One or more options in the OptionList are unsupported 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_ACCESS_DENIED The previous operation has not completed yet. + @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated. + @retval EFI_TFTP_ERROR An MTFTPv6 ERROR packet was received and is in the Packet. + @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received and the Packet is set to NULL. + @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received and the Packet is set to NULL. + @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received and the Packet is set to NULL. + @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received and the Packet is set to NULL. + @retval EFI_ICMP_ERROR Some other ICMP ERROR packet was received and the Packet is set to NULL. + @retval EFI_PROTOCOL_ERROR An unexpected MTFTPv6 packet was received and is in the Packet. + @retval EFI_TIMEOUT No responses were received from the MTFTPv6 server. + @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred. + @retval EFI_NO_MEDIA There was a media error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_GET_INFO)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_OVERRIDE_DATA *OverrideData OPTIONAL, + IN UINT8 *Filename, + IN UINT8 *ModeStr OPTIONAL, + IN UINT8 OptionCount, + IN EFI_MTFTP6_OPTION *OptionList OPTIONAL, + OUT UINT32 *PacketLength, + OUT EFI_MTFTP6_PACKET **Packet OPTIONAL + ); + +/** + Parse the options in an MTFTPv6 OACK packet. + + The ParseOptions() function parses the option fields in an MTFTPv6 OACK packet and + returns the number of options that were found and optionally a list of pointers to + the options in the packet. + If one or more of the option fields are not valid, then EFI_PROTOCOL_ERROR is returned + and *OptionCount and *OptionList stop at the last valid option. + + @param[in] This Pointer to the EFI_MTFTP6_PROTOCOL instance. + @param[in] PacketLen Length of the OACK packet to be parsed. + @param[in] Packet Pointer to the OACK packet to be parsed. + @param[out] OptionCount Pointer to the number of options in the following OptionList. + @param[out] OptionList Pointer to EFI_MTFTP6_OPTION storage. Each pointer in the + OptionList points to the corresponding MTFTP option buffer + in the Packet. Call the EFI Boot Service FreePool() to + release the OptionList if the options in this OptionList + are not needed any more. + + @retval EFI_SUCCESS The OACK packet was valid and the OptionCount and + OptionList parameters have been updated. + @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE: + - PacketLen is 0. + - Packet is NULL or Packet is not a valid MTFTPv6 packet. + - OptionCount is NULL. + @retval EFI_NOT_FOUND No options were found in the OACK packet. + @retval EFI_OUT_OF_RESOURCES Storage for the OptionList array can not be allocated. + @retval EFI_PROTOCOL_ERROR One or more of the option fields is invalid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_PARSE_OPTIONS)( + IN EFI_MTFTP6_PROTOCOL *This, + IN UINT32 PacketLen, + IN EFI_MTFTP6_PACKET *Packet, + OUT UINT32 *OptionCount, + OUT EFI_MTFTP6_OPTION **OptionList OPTIONAL + ); + +/** + Download a file from an MTFTPv6 server. + + The ReadFile() function is used to initialize and start an MTFTPv6 download process and + optionally wait for completion. When the download operation completes, whether successfully or + not, the Token.Status field is updated by the EFI MTFTPv6 Protocol driver and then + Token.Event is signaled if it is not NULL. + + Data can be downloaded from the MTFTPv6 server into either of the following locations: + - A fixed buffer that is pointed to by Token.Buffer + - 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 data file has been transferred successfully. + @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated. + @retval EFI_BUFFER_TOO_SMALL BufferSize is not zero but not large enough to hold the + downloaded data in downloading process. + @retval EFI_ABORTED Current operation is aborted by user. + @retval EFI_NETWORK_UNREACHABLE An ICMP network unreachable error packet was received. + @retval EFI_HOST_UNREACHABLE An ICMP host unreachable error packet was received. + @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received. + @retval EFI_PORT_UNREACHABLE An ICMP port unreachable error packet was received. + @retval EFI_ICMP_ERROR An ICMP ERROR packet was received. + @retval EFI_TIMEOUT No responses were received from the MTFTPv6 server. + @retval EFI_TFTP_ERROR An MTFTPv6 ERROR packet was received. + @retval EFI_DEVICE_ERROR An unexpected network error or system error occurred. + @retval EFI_NO_MEDIA There was a media error. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_READ_FILE)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_TOKEN *Token + ); + +/** + Send a file to an MTFTPv6 server. May be unsupported in some implementations. + + The WriteFile() function is used to initialize an uploading operation with the given option list + and optionally wait for completion. If one or more of the options is not supported by the server, the + unsupported options are ignored and a standard TFTP process starts instead. When the upload + process completes, whether successfully or not, Token.Event is signaled, and the EFI MTFTPv6 + Protocol driver updates Token.Status. + + The caller can supply the data to be uploaded in the following two modes: + - Through the user-provided buffer + - Through a callback function + + With the user-provided buffer, the Token.BufferSize field indicates the length of the buffer, + and the driver will upload the data in the buffer. With an EFI_MTFTP6_PACKET_NEEDED + callback function, the driver will call this callback function to get more data from the user to upload. + See the definition of EFI_MTFTP6_PACKET_NEEDED for more information. These two modes + cannot be used at the same time. The callback function will be ignored if the user provides the + 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 upload session has started. + @retval EFI_UNSUPPORTED The operation is not supported by this implementation. + @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.PacketNeeded 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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_WRITE_FILE)( + IN EFI_MTFTP6_PROTOCOL *This, + IN EFI_MTFTP6_TOKEN *Token + ); + +/** + Download a data file directory from an MTFTPv6 server. May be unsupported in some implementations. + + The ReadDirectory() function is used to return a list of files on the MTFTPv6 server that are + logically (or operationally) related to Token.Filename. The directory request packet that is sent + to the server is built with the option list that was provided by caller, if present. + + The file information that the server returns is put into either of the following locations: + - A fixed buffer that is pointed to by Token.Buffer + - 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. + + The returned directory listing in the Token.Buffer or EFI_MTFTP6_PACKET consists of a list + of two or three variable-length ASCII strings, each terminated by a null character, for each file in the + directory. If the multicast option is involved, the first field of each directory entry is the static + multicast IP address and UDP port number that is associated with the file name. The format of the + field is ip:ip:ip:ip:port. If the multicast option is not involved, this field and its terminating + null character are not present. + + The next field of each directory entry is the file name and the last field is the file information string. + The information string contains the file size and the create/modify timestamp. The format of the + information string is filesize yyyy-mm-dd hh:mm:ss:ffff. The timestamp is + Coordinated Universal Time (UTC; also known as Greenwich Mean Time [GMT]). + + @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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_READ_DIRECTORY)( + 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 Pointer to the EFI_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. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_MTFTP6_POLL)( + IN EFI_MTFTP6_PROTOCOL *This + ); + +/// +/// The EFI_MTFTP6_PROTOCOL is designed to be used by UEFI drivers and applications to transmit +/// and receive data files. The EFI MTFTPv6 Protocol driver uses the underlying EFI UDPv6 Protocol +/// driver and EFI IPv6 Protocol driver. +/// +struct _EFI_MTFTP6_PROTOCOL { + EFI_MTFTP6_GET_MODE_DATA GetModeData; + EFI_MTFTP6_CONFIGURE Configure; + EFI_MTFTP6_GET_INFO GetInfo; + EFI_MTFTP6_PARSE_OPTIONS ParseOptions; + EFI_MTFTP6_READ_FILE ReadFile; + EFI_MTFTP6_WRITE_FILE WriteFile; + EFI_MTFTP6_READ_DIRECTORY ReadDirectory; + EFI_MTFTP6_POLL Poll; +}; + +extern EFI_GUID gEfiMtftp6ServiceBindingProtocolGuid; +extern EFI_GUID gEfiMtftp6ProtocolGuid; + +#endif |