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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
******************************************************************************/
#ifndef __BASIC_TYPES_H__
#define __BASIC_TYPES_H__
#include <linux/types.h>
#define NDIS_OID uint
/* port from fw */
/* TODO: Macros Below are Sync from SD7-Driver. It is necessary
* to check correctness
*/
/*
* Call endian free function when
* 1. Read/write packet content.
* 2. Before write integer to IO.
* 3. After read integer from IO.
*/
/* Convert little data endian to host ordering */
#define EF1BYTE(_val) \
((u8)(_val))
#define EF2BYTE(_val) \
(le16_to_cpu(_val))
#define EF4BYTE(_val) \
(le32_to_cpu(_val))
/* Create a bit mask
* Examples:
* BIT_LEN_MASK_32(0) => 0x00000000
* BIT_LEN_MASK_32(1) => 0x00000001
* BIT_LEN_MASK_32(2) => 0x00000003
* BIT_LEN_MASK_32(32) => 0xFFFFFFFF
*/
#define BIT_LEN_MASK_32(__bitlen) \
(0xFFFFFFFF >> (32 - (__bitlen)))
#define BIT_LEN_MASK_16(__bitlen) \
(0xFFFF >> (16 - (__bitlen)))
#define BIT_LEN_MASK_8(__bitlen) \
(0xFF >> (8 - (__bitlen)))
/* Create an offset bit mask
* Examples:
* BIT_OFFSET_LEN_MASK_32(0, 2) => 0x00000003
* BIT_OFFSET_LEN_MASK_32(16, 2) => 0x00030000
*/
#define BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen) \
(BIT_LEN_MASK_32(__bitlen) << (__bitoffset))
#define BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen) \
(BIT_LEN_MASK_16(__bitlen) << (__bitoffset))
#define BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen) \
(BIT_LEN_MASK_8(__bitlen) << (__bitoffset))
/*Description:
* Return 4-byte value in host byte ordering from
* 4-byte pointer in little-endian system.
*/
#define LE_P4BYTE_TO_HOST_4BYTE(__pstart) \
(EF4BYTE(*((__le32 *)(__pstart))))
#define LE_P2BYTE_TO_HOST_2BYTE(__pstart) \
(EF2BYTE(*((__le16 *)(__pstart))))
#define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \
(EF1BYTE(*((u8 *)(__pstart))))
/* Description:
* Translate subfield (continuous bits in little-endian) of 4-byte
* value to host byte ordering.
*/
#define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
( \
(LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_32(__bitlen) \
)
#define LE_BITS_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
( \
(LE_P2BYTE_TO_HOST_2BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_16(__bitlen) \
)
#define LE_BITS_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
( \
(LE_P1BYTE_TO_HOST_1BYTE(__pstart) >> (__bitoffset)) & \
BIT_LEN_MASK_8(__bitlen) \
)
/* Description:
* Mask subfield (continuous bits in little-endian) of 4-byte value
* and return the result in 4-byte value in host byte ordering.
*/
#define LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) \
( \
LE_P4BYTE_TO_HOST_4BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_32(__bitoffset, __bitlen)) \
)
#define LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) \
( \
LE_P2BYTE_TO_HOST_2BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_16(__bitoffset, __bitlen)) \
)
#define LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) \
( \
LE_P1BYTE_TO_HOST_1BYTE(__pstart) & \
(~BIT_OFFSET_LEN_MASK_8(__bitoffset, __bitlen)) \
)
/* Description:
* Set subfield of little-endian 4-byte value to specified value.
*/
#define SET_BITS_TO_LE_4BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u32 *)(__pstart)) = \
( \
LE_BITS_CLEARED_TO_4BYTE(__pstart, __bitoffset, __bitlen) | \
((((u32)__val) & BIT_LEN_MASK_32(__bitlen)) << (__bitoffset)) \
)
#define SET_BITS_TO_LE_2BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u16 *)(__pstart)) = \
( \
LE_BITS_CLEARED_TO_2BYTE(__pstart, __bitoffset, __bitlen) | \
((((u16)__val) & BIT_LEN_MASK_16(__bitlen)) << (__bitoffset)) \
);
#define SET_BITS_TO_LE_1BYTE(__pstart, __bitoffset, __bitlen, __val) \
*((u8 *)(__pstart)) = EF1BYTE \
( \
LE_BITS_CLEARED_TO_1BYTE(__pstart, __bitoffset, __bitlen) | \
((((u8)__val) & BIT_LEN_MASK_8(__bitlen)) << (__bitoffset)) \
)
#endif /* __BASIC_TYPES_H__ */
|
