diff options
Diffstat (limited to 'NetworkPkg/Mtftp4Dxe/Mtftp4Option.h')
| -rw-r--r-- | NetworkPkg/Mtftp4Dxe/Mtftp4Option.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/NetworkPkg/Mtftp4Dxe/Mtftp4Option.h b/NetworkPkg/Mtftp4Dxe/Mtftp4Option.h new file mode 100644 index 0000000000..fcc4cbe8fd --- /dev/null +++ b/NetworkPkg/Mtftp4Dxe/Mtftp4Option.h @@ -0,0 +1,111 @@ +/** @file
+ Routines to process MTFTP4 options.
+
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+#ifndef __EFI_MTFTP4_OPTION_H__
+#define __EFI_MTFTP4_OPTION_H__
+
+#define MTFTP4_SUPPORTED_OPTIONS 5
+#define MTFTP4_OPCODE_LEN 2
+#define MTFTP4_ERRCODE_LEN 2
+#define MTFTP4_BLKNO_LEN 2
+#define MTFTP4_DATA_HEAD_LEN 4
+
+#define MTFTP4_BLKSIZE_EXIST 0x01
+#define MTFTP4_TIMEOUT_EXIST 0x02
+#define MTFTP4_TSIZE_EXIST 0x04
+#define MTFTP4_MCAST_EXIST 0x08
+#define MTFTP4_WINDOWSIZE_EXIST 0x10
+
+typedef struct {
+ UINT16 BlkSize;
+ UINT16 WindowSize;
+ UINT8 Timeout;
+ UINT32 Tsize;
+ IP4_ADDR McastIp;
+ UINT16 McastPort;
+ BOOLEAN Master;
+ UINT32 Exist;
+} MTFTP4_OPTION;
+
+/**
+ Allocate and fill in a array of Mtftp options from the Packet.
+
+ It first calls Mtftp4FillOption to get the option number, then allocate
+ the array, at last, call Mtftp4FillOption again to save the options.
+
+ @param Packet The packet to parse
+ @param PacketLen The length of the packet
+ @param OptionCount The number of options in the packet
+ @param OptionList The point to get the option array.
+
+ @retval EFI_INVALID_PARAMETER The parametera are invalid or packet isn't a
+ well-formated OACK packet.
+ @retval EFI_SUCCESS The option array is build
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory for the array
+
+**/
+EFI_STATUS
+Mtftp4ExtractOptions (
+ IN EFI_MTFTP4_PACKET *Packet,
+ IN UINT32 PacketLen,
+ OUT UINT32 *OptionCount,
+ OUT EFI_MTFTP4_OPTION **OptionList OPTIONAL
+ );
+
+/**
+ Parse the option in Options array to MTFTP4_OPTION which program
+ can access directly.
+
+ @param Options The option array, which contains addresses of each
+ option's name/value string.
+ @param Count The number of options in the Options
+ @param Request Whether this is a request or OACK. The format of
+ multicast is different according to this setting.
+ @param Operation The current performed operation.
+ @param MtftpOption The MTFTP4_OPTION for easy access.
+
+ @retval EFI_INVALID_PARAMETER The option is mal-formated
+ @retval EFI_UNSUPPORTED Some option isn't supported
+ @retval EFI_SUCCESS The option are OK and has been parsed.
+
+**/
+EFI_STATUS
+Mtftp4ParseOption (
+ IN EFI_MTFTP4_OPTION *Options,
+ IN UINT32 Count,
+ IN BOOLEAN Request,
+ IN UINT16 Operation,
+ OUT MTFTP4_OPTION *MtftpOption
+ );
+
+/**
+ Parse the options in the OACK packet to MTFTP4_OPTION which program
+ can access directly.
+
+ @param Packet The OACK packet to parse
+ @param PacketLen The length of the packet
+ @param Operation The current performed operation.
+ @param MtftpOption The MTFTP_OPTION for easy access.
+
+ @retval EFI_INVALID_PARAMETER The packet option is mal-formated
+ @retval EFI_UNSUPPORTED Some option isn't supported
+ @retval EFI_SUCCESS The option are OK and has been parsed.
+
+**/
+EFI_STATUS
+Mtftp4ParseOptionOack (
+ IN EFI_MTFTP4_PACKET *Packet,
+ IN UINT32 PacketLen,
+ IN UINT16 Operation,
+ OUT MTFTP4_OPTION *MtftpOption
+ );
+
+extern CHAR8 *mMtftp4SupportedOptions[MTFTP4_SUPPORTED_OPTIONS];
+
+#endif
|