[mirror_edk2.git] / MdeModulePkg / Universal / Network / UefiPxeBcDxe / PxeBcMtftp.c

/** @file\r
  PxeBc MTFTP functions.\r
  \r
Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "PxeBcImpl.h"\r
\r
CHAR8 *mMtftpOptions[PXE_MTFTP_OPTION_MAXIMUM_INDEX] = {\r
  "blksize",\r
  "timeout",\r
  "tsize",\r
  "multicast"\r
};\r
\r
\r
/**\r
  This is a callback function when packets received/transmitted in Mtftp driver.\r
\r
  A callback function that is provided by the caller to intercept               \r
  the EFI_MTFTP4_OPCODE_DATA or EFI_MTFTP4_OPCODE_DATA8 packets processed in the\r
  EFI_MTFTP4_PROTOCOL.ReadFile() function, and alternatively to intercept       \r
  EFI_MTFTP4_OPCODE_OACK or EFI_MTFTP4_OPCODE_ERROR packets during a call to    \r
  EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile() or ReadDirectory().\r
   \r
  @param  This           Pointer to Mtftp protocol instance\r
  @param  Token          Pointer to Mtftp token\r
  @param  PacketLen      Length of Mtftp packet\r
  @param  Packet         Pointer to Mtftp packet\r
\r
  @retval EFI_SUCCESS    Operation sucess\r
  @retval EFI_ABORTED    Abort transfer process \r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PxeBcCheckPacket (\r
  IN EFI_MTFTP4_PROTOCOL        *This,\r
  IN EFI_MTFTP4_TOKEN           *Token,\r
  IN UINT16                     PacketLen,\r
  IN EFI_MTFTP4_PACKET          *Packet\r
  )\r
{\r
  PXEBC_PRIVATE_DATA                  *Private;\r
  EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;\r
  EFI_STATUS                          Status;\r
\r
  Private   = (PXEBC_PRIVATE_DATA *) Token->Context;\r
  Callback  = Private->PxeBcCallback;\r
  Status    = EFI_SUCCESS;\r
\r
  if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {\r
    Private->Mode.TftpErrorReceived = TRUE;\r
    Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;\r
    AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);\r
  }\r
\r
  if (Callback != NULL) {\r
\r
    Status = Callback->Callback (\r
                        Callback,\r
                        Private->Function,\r
                        TRUE,\r
                        PacketLen,\r
                        (EFI_PXE_BASE_CODE_PACKET *) Packet\r
                        );\r
    if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {\r
\r
      Status = EFI_ABORTED;\r
    } else {\r
\r
      Status = EFI_SUCCESS;\r
    }\r
  }\r
\r
  return Status;\r
}\r
\r
\r
/**\r
  This function is to get size of a file by Tftp.\r
  \r
  @param  Private        Pointer to PxeBc private data\r
  @param  Config         Pointer to Mtftp configuration data\r
  @param  Filename       Pointer to file name\r
  @param  BlockSize      Pointer to block size\r
  @param  BufferSize     Pointer to buffer size\r
\r
  @retval EFI_SUCCESS        Get the size of file success\r
  @retval EFI_NOT_FOUND      Parse the tftp ptions failed.\r
  @retval EFI_DEVICE_ERROR   The network device encountered an error during this operation.\r
  @retval Other              Has not get the size of the file.\r
  \r
**/\r
EFI_STATUS\r
PxeBcTftpGetFileSize (\r
  IN PXEBC_PRIVATE_DATA         *Private,\r
  IN EFI_MTFTP4_CONFIG_DATA     *Config,\r
  IN UINT8                      *Filename,\r
  IN UINTN                      *BlockSize,\r
  IN OUT UINT64                 *BufferSize\r
  )\r
{\r
  EFI_MTFTP4_PROTOCOL *Mtftp4;\r
  EFI_MTFTP4_OPTION   ReqOpt[2];\r
  EFI_MTFTP4_PACKET   *Packet;\r
  EFI_MTFTP4_OPTION   *Option;\r
  UINT32              PktLen;\r
  UINT8               OptBuf[128];\r
  UINT32              OptCnt;\r
  EFI_STATUS          Status;\r
\r
  *BufferSize               = 0;\r
  Status                    = EFI_DEVICE_ERROR;\r
  Mtftp4                    = Private->Mtftp4;\r
  Packet                    = NULL;\r
  Option                    = NULL;\r
  PktLen                    = 0;\r
  OptCnt                    = 1;\r
  Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
\r
  Status = Mtftp4->Configure (Mtftp4, Config);\r
  if (EFI_ERROR (Status)) {\r
\r
    return Status;\r
  }\r
\r
  ReqOpt[0].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_TSIZE_INDEX];\r
  UtoA10 (0, (CHAR8 *) OptBuf);\r
  ReqOpt[0].ValueStr = OptBuf;\r
\r
  if (BlockSize != NULL) {\r
    ReqOpt[1].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
    ReqOpt[1].ValueStr  = ReqOpt[0].ValueStr + AsciiStrLen ((CHAR8 *) ReqOpt[0].ValueStr) + 1;\r
    UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[1].ValueStr);\r
    OptCnt++;\r
  }\r
\r
  Status = Mtftp4->GetInfo (\r
                    Mtftp4,\r
                    NULL,\r
                    Filename,\r
                    NULL,\r
                    (UINT8) OptCnt,\r
                    ReqOpt,\r
                    &PktLen,\r
                    &Packet\r
                    );\r
\r
  if (EFI_ERROR (Status)) {\r
    if (Status == EFI_TFTP_ERROR) {\r
      Private->Mode.TftpErrorReceived = TRUE;\r
      Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;\r
      AsciiStrnCpy (\r
        Private->Mode.TftpError.ErrorString, \r
        (CHAR8 *) Packet->Error.ErrorMessage, \r
        127\r
        );\r
    }\r
    goto ON_ERROR;\r
  }\r
\r
  OptCnt = 0;\r
\r
  Status = Mtftp4->ParseOptions (\r
                    Mtftp4,\r
                    PktLen,\r
                    Packet,\r
                    (UINT32 *) &OptCnt,\r
                    &Option\r
                    );\r
\r
  if (EFI_ERROR (Status)) {\r
\r
    goto ON_ERROR;\r
  }\r
\r
  Status = EFI_NOT_FOUND;\r
\r
  while (OptCnt != 0) {\r
\r
    if (AsciiStrnCmp ((CHAR8 *) Option[OptCnt - 1].OptionStr, "tsize", 5) == 0) {\r
\r
      *BufferSize = AtoU64 (Option[OptCnt - 1].ValueStr);\r
      Status      = EFI_SUCCESS;\r
    }\r
\r
    OptCnt--;\r
  }\r
\r
  FreePool (Option);\r
\r
ON_ERROR:\r
\r
  if (Packet != NULL) {\r
    FreePool (Packet);\r
  }\r
\r
  Mtftp4->Configure (Mtftp4, NULL);\r
\r
  return Status;\r
}\r
\r
\r
/**\r
  This function is to get data of a file by Tftp.\r
\r
  @param  Private        Pointer to PxeBc private data\r
  @param  Config         Pointer to Mtftp configuration data\r
  @param  Filename       Pointer to file name\r
  @param  BlockSize      Pointer to block size\r
  @param  BufferPtr      Pointer to buffer\r
  @param  BufferSize     Pointer to buffer size\r
  @param  DontUseBuffer  Indicate whether with a receive buffer\r
\r
  @retval EFI_SUCCESS        Read the data success from the special file.\r
  @retval EFI_DEVICE_ERROR   The network device encountered an error during this operation.\r
  @retval other              Read data from file failed.\r
  \r
**/\r
EFI_STATUS\r
PxeBcTftpReadFile (\r
  IN PXEBC_PRIVATE_DATA         *Private,\r
  IN EFI_MTFTP4_CONFIG_DATA     *Config,\r
  IN UINT8                      *Filename,\r
  IN UINTN                      *BlockSize,\r
  IN UINT8                      *BufferPtr,\r
  IN OUT UINT64                 *BufferSize,\r
  IN BOOLEAN                    DontUseBuffer\r
  )\r
{\r
  EFI_MTFTP4_PROTOCOL *Mtftp4;\r
  EFI_MTFTP4_TOKEN    Token;\r
  EFI_MTFTP4_OPTION   ReqOpt[1];\r
  UINT32              OptCnt;\r
  UINT8               OptBuf[128];\r
  EFI_STATUS          Status;\r
\r
  Status                    = EFI_DEVICE_ERROR;\r
  Mtftp4                    = Private->Mtftp4;\r
  OptCnt                    = 0;\r
  Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
\r
  Status = Mtftp4->Configure (Mtftp4, Config);\r
  if (EFI_ERROR (Status)) {\r
\r
    return Status;\r
  }\r
\r
  if (BlockSize != NULL) {\r
\r
    ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
    ReqOpt[0].ValueStr  = OptBuf;\r
    UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);\r
    OptCnt++;\r
  }\r
\r
  Token.Event         = NULL;\r
  Token.OverrideData  = NULL;\r
  Token.Filename      = Filename;\r
  Token.ModeStr       = NULL;\r
  Token.OptionCount   = OptCnt;\r
  Token.OptionList    = ReqOpt;\r
  Token.Context       = Private;\r
\r
  if (DontUseBuffer) {\r
    Token.BufferSize  = 0;\r
    Token.Buffer      = NULL;\r
  } else {\r
    Token.BufferSize  = *BufferSize;\r
    Token.Buffer      = BufferPtr;\r
  }\r
\r
  Token.CheckPacket     = PxeBcCheckPacket;\r
  Token.TimeoutCallback = NULL;\r
  Token.PacketNeeded    = NULL;\r
\r
  Status = Mtftp4->ReadFile (Mtftp4, &Token);\r
\r
  *BufferSize = Token.BufferSize;\r
\r
  Mtftp4->Configure (Mtftp4, NULL);\r
\r
  return Status;\r
}\r
\r
\r
/**\r
  This function is put data of a file by Tftp.\r
\r
  @param  Private        Pointer to PxeBc private data\r
  @param  Config         Pointer to Mtftp configuration data\r
  @param  Filename       Pointer to file name\r
  @param  Overwrite      Indicate whether with overwrite attribute\r
  @param  BlockSize      Pointer to block size\r
  @param  BufferPtr      Pointer to buffer\r
  @param  BufferSize     Pointer to buffer size\r
\r
  @retval EFI_SUCCESS        Write the data success into the special file.\r
  @retval EFI_DEVICE_ERROR   The network device encountered an error during this operation.\r
  @retval other              Write data into file failed.\r
  \r
**/\r
EFI_STATUS\r
PxeBcTftpWriteFile (\r
  IN PXEBC_PRIVATE_DATA         *Private,\r
  IN EFI_MTFTP4_CONFIG_DATA     *Config,\r
  IN UINT8                      *Filename,\r
  IN BOOLEAN                    Overwrite,\r
  IN UINTN                      *BlockSize,\r
  IN UINT8                      *BufferPtr,\r
  IN OUT UINT64                 *BufferSize\r
  )\r
{\r
  EFI_MTFTP4_PROTOCOL *Mtftp4;\r
  EFI_MTFTP4_TOKEN    Token;\r
  EFI_MTFTP4_OPTION   ReqOpt[1];\r
  UINT32              OptCnt;\r
  UINT8               OptBuf[128];\r
  EFI_STATUS          Status;\r
\r
  Status                    = EFI_DEVICE_ERROR;\r
  Mtftp4                    = Private->Mtftp4;\r
  OptCnt                    = 0;\r
  Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
\r
  Status  = Mtftp4->Configure (Mtftp4, Config);\r
  if (EFI_ERROR (Status)) {\r
\r
    return Status;\r
  }\r
\r
  if (BlockSize != NULL) {\r
\r
    ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
    ReqOpt[0].ValueStr  = OptBuf;\r
    UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);\r
    OptCnt++;\r
  }\r
\r
  Token.Event           = NULL;\r
  Token.OverrideData    = NULL;\r
  Token.Filename        = Filename;\r
  Token.ModeStr         = NULL;\r
  Token.OptionCount     = OptCnt;\r
  Token.OptionList      = ReqOpt;\r
  Token.BufferSize      = *BufferSize;\r
  Token.Buffer          = BufferPtr;\r
  Token.CheckPacket     = PxeBcCheckPacket;\r
  Token.TimeoutCallback = NULL;\r
  Token.PacketNeeded    = NULL;\r
\r
  Status      = Mtftp4->WriteFile (Mtftp4, &Token);\r
  *BufferSize = Token.BufferSize;\r
\r
  Mtftp4->Configure (Mtftp4, NULL);\r
\r
  return Status;\r
}\r
\r
\r
/**\r
  This function is to get data(file) from a directory(may be a server) by Tftp.\r
\r
  @param  Private        Pointer to PxeBc private data.\r
  @param  Config         Pointer to Mtftp configuration data.\r
  @param  Filename       Pointer to file name.\r
  @param  BlockSize      Pointer to block size.\r
  @param  BufferPtr      Pointer to buffer.\r
  @param  BufferSize     Pointer to buffer size.\r
  @param  DontUseBuffer  Indicate whether with a receive buffer.\r
\r
  @retval EFI_SUCCES         Get the data from the file included in directory success. \r
  @retval EFI_DEVICE_ERROR   The network device encountered an error during this operation.\r
  @retval other              Operation failed.\r
  \r
**/\r
EFI_STATUS\r
PxeBcTftpReadDirectory (\r
  IN PXEBC_PRIVATE_DATA            *Private,\r
  IN EFI_MTFTP4_CONFIG_DATA        *Config,\r
  IN UINT8                         *Filename,\r
  IN UINTN                         *BlockSize,\r
  IN UINT8                         *BufferPtr,\r
  IN OUT UINT64                    *BufferSize,\r
  IN BOOLEAN                       DontUseBuffer\r
  )\r
{\r
  EFI_MTFTP4_PROTOCOL *Mtftp4;\r
  EFI_MTFTP4_TOKEN    Token;\r
  EFI_MTFTP4_OPTION   ReqOpt[1];\r
  UINT32              OptCnt;\r
  UINT8               OptBuf[128];\r
  EFI_STATUS          Status;\r
\r
  Status                    = EFI_DEVICE_ERROR;\r
  Mtftp4                    = Private->Mtftp4;\r
  OptCnt                    = 0;\r
  Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
\r
  Status = Mtftp4->Configure (Mtftp4, Config);\r
  if (EFI_ERROR (Status)) {\r
\r
    return Status;\r
  }\r
\r
  if (BlockSize != NULL) {\r
\r
    ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
    ReqOpt[0].ValueStr  = OptBuf;\r
    UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr);\r
    OptCnt++;\r
  }\r
\r
  Token.Event         = NULL;\r
  Token.OverrideData  = NULL;\r
  Token.Filename      = Filename;\r
  Token.ModeStr       = NULL;\r
  Token.OptionCount   = OptCnt;\r
  Token.OptionList    = ReqOpt;\r
  Token.Context       = Private;\r
\r
  if (DontUseBuffer) {\r
    Token.BufferSize  = 0;\r
    Token.Buffer      = NULL;\r
  } else {\r
    Token.BufferSize  = *BufferSize;\r
    Token.Buffer      = BufferPtr;\r
  }\r
\r
  Token.CheckPacket     = PxeBcCheckPacket;\r
  Token.TimeoutCallback = NULL;\r
  Token.PacketNeeded    = NULL;\r
\r
  Status = Mtftp4->ReadDirectory (Mtftp4, &Token);\r
\r
  *BufferSize = Token.BufferSize;\r
\r
  Mtftp4->Configure (Mtftp4, NULL);\r
\r
  return Status;\r
}\r
\r
Commit	Line	Data
	1	/** @file\r
	2	PxeBc MTFTP functions.\r
	3	\r
	4	Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#include "PxeBcImpl.h"\r
	16	\r
	17	CHAR8 *mMtftpOptions[PXE_MTFTP_OPTION_MAXIMUM_INDEX] = {\r
	18	"blksize",\r
	19	"timeout",\r
	20	"tsize",\r
	21	"multicast"\r
	22	};\r
	23	\r
	24	\r
	25	/**\r
	26	This is a callback function when packets received/transmitted in Mtftp driver.\r
	27	\r
	28	A callback function that is provided by the caller to intercept \r
	29	the EFI_MTFTP4_OPCODE_DATA or EFI_MTFTP4_OPCODE_DATA8 packets processed in the\r
	30	EFI_MTFTP4_PROTOCOL.ReadFile() function, and alternatively to intercept \r
	31	EFI_MTFTP4_OPCODE_OACK or EFI_MTFTP4_OPCODE_ERROR packets during a call to \r
	32	EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile() or ReadDirectory().\r
	33	\r
	34	@param This Pointer to Mtftp protocol instance\r
	35	@param Token Pointer to Mtftp token\r
	36	@param PacketLen Length of Mtftp packet\r
	37	@param Packet Pointer to Mtftp packet\r
	38	\r
	39	@retval EFI_SUCCESS Operation sucess\r
	40	@retval EFI_ABORTED Abort transfer process \r
	41	\r
	42	**/\r
	43	EFI_STATUS\r
	44	EFIAPI\r
	45	PxeBcCheckPacket (\r
	46	IN EFI_MTFTP4_PROTOCOL *This,\r
	47	IN EFI_MTFTP4_TOKEN *Token,\r
	48	IN UINT16 PacketLen,\r
	49	IN EFI_MTFTP4_PACKET *Packet\r
	50	)\r
	51	{\r
	52	PXEBC_PRIVATE_DATA *Private;\r
	53	EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;\r
	54	EFI_STATUS Status;\r
	55	\r
	56	Private = (PXEBC_PRIVATE_DATA *) Token->Context;\r
	57	Callback = Private->PxeBcCallback;\r
	58	Status = EFI_SUCCESS;\r
	59	\r
	60	if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {\r
	61	Private->Mode.TftpErrorReceived = TRUE;\r
	62	Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;\r
	63	AsciiStrnCpy (Private->Mode.TftpError.ErrorString, (CHAR8 *) Packet->Error.ErrorMessage, 127);\r
	64	}\r
	65	\r
	66	if (Callback != NULL) {\r
	67	\r
	68	Status = Callback->Callback (\r
	69	Callback,\r
	70	Private->Function,\r
	71	TRUE,\r
	72	PacketLen,\r
	73	(EFI_PXE_BASE_CODE_PACKET *) Packet\r
	74	);\r
	75	if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {\r
	76	\r
	77	Status = EFI_ABORTED;\r
	78	} else {\r
	79	\r
	80	Status = EFI_SUCCESS;\r
	81	}\r
	82	}\r
	83	\r
	84	return Status;\r
	85	}\r
	86	\r
	87	\r
	88	/**\r
	89	This function is to get size of a file by Tftp.\r
	90	\r
	91	@param Private Pointer to PxeBc private data\r
	92	@param Config Pointer to Mtftp configuration data\r
	93	@param Filename Pointer to file name\r
	94	@param BlockSize Pointer to block size\r
	95	@param BufferSize Pointer to buffer size\r
	96	\r
	97	@retval EFI_SUCCESS Get the size of file success\r
	98	@retval EFI_NOT_FOUND Parse the tftp ptions failed.\r
	99	@retval EFI_DEVICE_ERROR The network device encountered an error during this operation.\r
	100	@retval Other Has not get the size of the file.\r
	101	\r
	102	**/\r
	103	EFI_STATUS\r
	104	PxeBcTftpGetFileSize (\r
	105	IN PXEBC_PRIVATE_DATA *Private,\r
	106	IN EFI_MTFTP4_CONFIG_DATA *Config,\r
	107	IN UINT8 *Filename,\r
	108	IN UINTN *BlockSize,\r
	109	IN OUT UINT64 *BufferSize\r
	110	)\r
	111	{\r
	112	EFI_MTFTP4_PROTOCOL *Mtftp4;\r
	113	EFI_MTFTP4_OPTION ReqOpt[2];\r
	114	EFI_MTFTP4_PACKET *Packet;\r
	115	EFI_MTFTP4_OPTION *Option;\r
	116	UINT32 PktLen;\r
	117	UINT8 OptBuf[128];\r
	118	UINT32 OptCnt;\r
	119	EFI_STATUS Status;\r
	120	\r
	121	*BufferSize = 0;\r
	122	Status = EFI_DEVICE_ERROR;\r
	123	Mtftp4 = Private->Mtftp4;\r
	124	Packet = NULL;\r
	125	Option = NULL;\r
	126	PktLen = 0;\r
	127	OptCnt = 1;\r
	128	Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
	129	\r
	130	Status = Mtftp4->Configure (Mtftp4, Config);\r
	131	if (EFI_ERROR (Status)) {\r
	132	\r
	133	return Status;\r
	134	}\r
	135	\r
	136	ReqOpt[0].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_TSIZE_INDEX];\r
	137	UtoA10 (0, (CHAR8 *) OptBuf);\r
	138	ReqOpt[0].ValueStr = OptBuf;\r
	139	\r
	140	if (BlockSize != NULL) {\r
	141	ReqOpt[1].OptionStr = (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
	142	ReqOpt[1].ValueStr = ReqOpt[0].ValueStr + AsciiStrLen ((CHAR8 *) ReqOpt[0].ValueStr) + 1;\r
	143	UtoA10 (BlockSize, (CHAR8 ) ReqOpt[1].ValueStr);\r
	144	OptCnt++;\r
	145	}\r
	146	\r
	147	Status = Mtftp4->GetInfo (\r
	148	Mtftp4,\r
	149	NULL,\r
	150	Filename,\r
	151	NULL,\r
	152	(UINT8) OptCnt,\r
	153	ReqOpt,\r
	154	&PktLen,\r
	155	&Packet\r
	156	);\r
	157	\r
	158	if (EFI_ERROR (Status)) {\r
	159	if (Status == EFI_TFTP_ERROR) {\r
	160	Private->Mode.TftpErrorReceived = TRUE;\r
	161	Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;\r
	162	AsciiStrnCpy (\r
	163	Private->Mode.TftpError.ErrorString, \r
	164	(CHAR8 *) Packet->Error.ErrorMessage, \r
	165	127\r
	166	);\r
	167	}\r
	168	goto ON_ERROR;\r
	169	}\r
	170	\r
	171	OptCnt = 0;\r
	172	\r
	173	Status = Mtftp4->ParseOptions (\r
	174	Mtftp4,\r
	175	PktLen,\r
	176	Packet,\r
	177	(UINT32 *) &OptCnt,\r
	178	&Option\r
	179	);\r
	180	\r
	181	if (EFI_ERROR (Status)) {\r
	182	\r
	183	goto ON_ERROR;\r
	184	}\r
	185	\r
	186	Status = EFI_NOT_FOUND;\r
	187	\r
	188	while (OptCnt != 0) {\r
	189	\r
	190	if (AsciiStrnCmp ((CHAR8 *) Option[OptCnt - 1].OptionStr, "tsize", 5) == 0) {\r
	191	\r
	192	*BufferSize = AtoU64 (Option[OptCnt - 1].ValueStr);\r
	193	Status = EFI_SUCCESS;\r
	194	}\r
	195	\r
	196	OptCnt--;\r
	197	}\r
	198	\r
	199	FreePool (Option);\r
	200	\r
	201	ON_ERROR:\r
	202	\r
	203	if (Packet != NULL) {\r
	204	FreePool (Packet);\r
	205	}\r
	206	\r
	207	Mtftp4->Configure (Mtftp4, NULL);\r
	208	\r
	209	return Status;\r
	210	}\r
	211	\r
	212	\r
	213	/**\r
	214	This function is to get data of a file by Tftp.\r
	215	\r
	216	@param Private Pointer to PxeBc private data\r
	217	@param Config Pointer to Mtftp configuration data\r
	218	@param Filename Pointer to file name\r
	219	@param BlockSize Pointer to block size\r
	220	@param BufferPtr Pointer to buffer\r
	221	@param BufferSize Pointer to buffer size\r
	222	@param DontUseBuffer Indicate whether with a receive buffer\r
	223	\r
	224	@retval EFI_SUCCESS Read the data success from the special file.\r
	225	@retval EFI_DEVICE_ERROR The network device encountered an error during this operation.\r
	226	@retval other Read data from file failed.\r
	227	\r
	228	**/\r
	229	EFI_STATUS\r
	230	PxeBcTftpReadFile (\r
	231	IN PXEBC_PRIVATE_DATA *Private,\r
	232	IN EFI_MTFTP4_CONFIG_DATA *Config,\r
	233	IN UINT8 *Filename,\r
	234	IN UINTN *BlockSize,\r
	235	IN UINT8 *BufferPtr,\r
	236	IN OUT UINT64 *BufferSize,\r
	237	IN BOOLEAN DontUseBuffer\r
	238	)\r
	239	{\r
	240	EFI_MTFTP4_PROTOCOL *Mtftp4;\r
	241	EFI_MTFTP4_TOKEN Token;\r
	242	EFI_MTFTP4_OPTION ReqOpt[1];\r
	243	UINT32 OptCnt;\r
	244	UINT8 OptBuf[128];\r
	245	EFI_STATUS Status;\r
	246	\r
	247	Status = EFI_DEVICE_ERROR;\r
	248	Mtftp4 = Private->Mtftp4;\r
	249	OptCnt = 0;\r
	250	Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
	251	\r
	252	Status = Mtftp4->Configure (Mtftp4, Config);\r
	253	if (EFI_ERROR (Status)) {\r
	254	\r
	255	return Status;\r
	256	}\r
	257	\r
	258	if (BlockSize != NULL) {\r
	259	\r
	260	ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
	261	ReqOpt[0].ValueStr = OptBuf;\r
	262	UtoA10 (BlockSize, (CHAR8 ) ReqOpt[0].ValueStr);\r
	263	OptCnt++;\r
	264	}\r
	265	\r
	266	Token.Event = NULL;\r
	267	Token.OverrideData = NULL;\r
	268	Token.Filename = Filename;\r
	269	Token.ModeStr = NULL;\r
	270	Token.OptionCount = OptCnt;\r
	271	Token.OptionList = ReqOpt;\r
	272	Token.Context = Private;\r
	273	\r
	274	if (DontUseBuffer) {\r
	275	Token.BufferSize = 0;\r
	276	Token.Buffer = NULL;\r
	277	} else {\r
	278	Token.BufferSize = *BufferSize;\r
	279	Token.Buffer = BufferPtr;\r
	280	}\r
	281	\r
	282	Token.CheckPacket = PxeBcCheckPacket;\r
	283	Token.TimeoutCallback = NULL;\r
	284	Token.PacketNeeded = NULL;\r
	285	\r
	286	Status = Mtftp4->ReadFile (Mtftp4, &Token);\r
	287	\r
	288	*BufferSize = Token.BufferSize;\r
	289	\r
	290	Mtftp4->Configure (Mtftp4, NULL);\r
	291	\r
	292	return Status;\r
	293	}\r
	294	\r
	295	\r
	296	/**\r
	297	This function is put data of a file by Tftp.\r
	298	\r
	299	@param Private Pointer to PxeBc private data\r
	300	@param Config Pointer to Mtftp configuration data\r
	301	@param Filename Pointer to file name\r
	302	@param Overwrite Indicate whether with overwrite attribute\r
	303	@param BlockSize Pointer to block size\r
	304	@param BufferPtr Pointer to buffer\r
	305	@param BufferSize Pointer to buffer size\r
	306	\r
	307	@retval EFI_SUCCESS Write the data success into the special file.\r
	308	@retval EFI_DEVICE_ERROR The network device encountered an error during this operation.\r
	309	@retval other Write data into file failed.\r
	310	\r
	311	**/\r
	312	EFI_STATUS\r
	313	PxeBcTftpWriteFile (\r
	314	IN PXEBC_PRIVATE_DATA *Private,\r
	315	IN EFI_MTFTP4_CONFIG_DATA *Config,\r
	316	IN UINT8 *Filename,\r
	317	IN BOOLEAN Overwrite,\r
	318	IN UINTN *BlockSize,\r
	319	IN UINT8 *BufferPtr,\r
	320	IN OUT UINT64 *BufferSize\r
	321	)\r
	322	{\r
	323	EFI_MTFTP4_PROTOCOL *Mtftp4;\r
	324	EFI_MTFTP4_TOKEN Token;\r
	325	EFI_MTFTP4_OPTION ReqOpt[1];\r
	326	UINT32 OptCnt;\r
	327	UINT8 OptBuf[128];\r
	328	EFI_STATUS Status;\r
	329	\r
	330	Status = EFI_DEVICE_ERROR;\r
	331	Mtftp4 = Private->Mtftp4;\r
	332	OptCnt = 0;\r
	333	Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
	334	\r
	335	Status = Mtftp4->Configure (Mtftp4, Config);\r
	336	if (EFI_ERROR (Status)) {\r
	337	\r
	338	return Status;\r
	339	}\r
	340	\r
	341	if (BlockSize != NULL) {\r
	342	\r
	343	ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
	344	ReqOpt[0].ValueStr = OptBuf;\r
	345	UtoA10 (BlockSize, (CHAR8 ) ReqOpt[0].ValueStr);\r
	346	OptCnt++;\r
	347	}\r
	348	\r
	349	Token.Event = NULL;\r
	350	Token.OverrideData = NULL;\r
	351	Token.Filename = Filename;\r
	352	Token.ModeStr = NULL;\r
	353	Token.OptionCount = OptCnt;\r
	354	Token.OptionList = ReqOpt;\r
	355	Token.BufferSize = *BufferSize;\r
	356	Token.Buffer = BufferPtr;\r
	357	Token.CheckPacket = PxeBcCheckPacket;\r
	358	Token.TimeoutCallback = NULL;\r
	359	Token.PacketNeeded = NULL;\r
	360	\r
	361	Status = Mtftp4->WriteFile (Mtftp4, &Token);\r
	362	*BufferSize = Token.BufferSize;\r
	363	\r
	364	Mtftp4->Configure (Mtftp4, NULL);\r
	365	\r
	366	return Status;\r
	367	}\r
	368	\r
	369	\r
	370	/**\r
	371	This function is to get data(file) from a directory(may be a server) by Tftp.\r
	372	\r
	373	@param Private Pointer to PxeBc private data.\r
	374	@param Config Pointer to Mtftp configuration data.\r
	375	@param Filename Pointer to file name.\r
	376	@param BlockSize Pointer to block size.\r
	377	@param BufferPtr Pointer to buffer.\r
	378	@param BufferSize Pointer to buffer size.\r
	379	@param DontUseBuffer Indicate whether with a receive buffer.\r
	380	\r
	381	@retval EFI_SUCCES Get the data from the file included in directory success. \r
	382	@retval EFI_DEVICE_ERROR The network device encountered an error during this operation.\r
	383	@retval other Operation failed.\r
	384	\r
	385	**/\r
	386	EFI_STATUS\r
	387	PxeBcTftpReadDirectory (\r
	388	IN PXEBC_PRIVATE_DATA *Private,\r
	389	IN EFI_MTFTP4_CONFIG_DATA *Config,\r
	390	IN UINT8 *Filename,\r
	391	IN UINTN *BlockSize,\r
	392	IN UINT8 *BufferPtr,\r
	393	IN OUT UINT64 *BufferSize,\r
	394	IN BOOLEAN DontUseBuffer\r
	395	)\r
	396	{\r
	397	EFI_MTFTP4_PROTOCOL *Mtftp4;\r
	398	EFI_MTFTP4_TOKEN Token;\r
	399	EFI_MTFTP4_OPTION ReqOpt[1];\r
	400	UINT32 OptCnt;\r
	401	UINT8 OptBuf[128];\r
	402	EFI_STATUS Status;\r
	403	\r
	404	Status = EFI_DEVICE_ERROR;\r
	405	Mtftp4 = Private->Mtftp4;\r
	406	OptCnt = 0;\r
	407	Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;\r
	408	\r
	409	Status = Mtftp4->Configure (Mtftp4, Config);\r
	410	if (EFI_ERROR (Status)) {\r
	411	\r
	412	return Status;\r
	413	}\r
	414	\r
	415	if (BlockSize != NULL) {\r
	416	\r
	417	ReqOpt[0].OptionStr = (UINT8*) mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];\r
	418	ReqOpt[0].ValueStr = OptBuf;\r
	419	UtoA10 (BlockSize, (CHAR8 ) ReqOpt[0].ValueStr);\r
	420	OptCnt++;\r
	421	}\r
	422	\r
	423	Token.Event = NULL;\r
	424	Token.OverrideData = NULL;\r
	425	Token.Filename = Filename;\r
	426	Token.ModeStr = NULL;\r
	427	Token.OptionCount = OptCnt;\r
	428	Token.OptionList = ReqOpt;\r
	429	Token.Context = Private;\r
	430	\r
	431	if (DontUseBuffer) {\r
	432	Token.BufferSize = 0;\r
	433	Token.Buffer = NULL;\r
	434	} else {\r
	435	Token.BufferSize = *BufferSize;\r
	436	Token.Buffer = BufferPtr;\r
	437	}\r
	438	\r
	439	Token.CheckPacket = PxeBcCheckPacket;\r
	440	Token.TimeoutCallback = NULL;\r
	441	Token.PacketNeeded = NULL;\r
	442	\r
	443	Status = Mtftp4->ReadDirectory (Mtftp4, &Token);\r
	444	\r
	445	*BufferSize = Token.BufferSize;\r
	446	\r
	447	Mtftp4->Configure (Mtftp4, NULL);\r
	448	\r
	449	return Status;\r
	450	}\r
	451	\r