1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/** @file
Routines to process MTFTP4 options.
Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php<BR>
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EFI_MTFTP4_OPTION_H__
#define __EFI_MTFTP4_OPTION_H__
#define MTFTP4_SUPPORTED_OPTIONS 4
#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
typedef struct {
UINT16 BlkSize;
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 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,
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 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,
OUT MTFTP4_OPTION *MtftpOption
);
extern CHAR8 *mMtftp4SupportedOptions[MTFTP4_SUPPORTED_OPTIONS];
#endif
|
