-
Notifications
You must be signed in to change notification settings - Fork 5
/
compat.h
137 lines (120 loc) · 4.25 KB
/
compat.h
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
/*-
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
* $Id: compat.h 2601 2007-07-24 14:14:47Z kelmo $
*/
#ifndef _ATH_COMPAT_H_
#define _ATH_COMPAT_H_
/* Compatibility with older Linux kernels */
#if defined(__KERNEL__) || (defined(__linux__) && __linux__)
#include <linux/types.h>
#endif
#if !defined(__KERNEL__) || !defined (__bitwise)
#define __le16 u_int16_t
#define __le32 u_int32_t
#define __le64 u_int64_t
#define __be16 u_int16_t
#define __be32 u_int32_t
#define __be64 u_int64_t
#define __force
#endif
#ifndef container_of
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif
/*
* BSD/Linux compatibility shims. These are used mainly to
* minimize differences when importing necesary BSD code.
*/
#ifndef NBBY
#define NBBY 8 /* number of bits/byte */
#endif
/* roundup() appears in Linux 2.6.18 */
#ifdef __KERNEL__
#include <linux/kernel.h>
#endif
#ifndef roundup
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#endif
#ifndef howmany
#define howmany(x, y) (((x)+((y)-1))/(y))
#endif
/* Bit map related macros. */
#ifndef setbit
#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#endif /* setbit */
#ifndef __packed
#define __packed __attribute__((__packed__))
#endif
#define __printflike(_a,_b) \
__attribute__ ((__format__ (__printf__, _a, _b)))
#define __offsetof(t,m) offsetof(t,m)
#ifndef ALIGNED_POINTER
/*
* ALIGNED_POINTER is a boolean macro that checks whether an address
* is valid to fetch data elements of type t from on this architecture.
* This does not reflect the optimal alignment, just the possibility
* (within reasonable limits).
*
*/
#define ALIGNED_POINTER(p,t) 1
#endif
#ifdef __KERNEL__
#define KASSERT(exp, msg) do { \
if (unlikely(!(exp))) { \
printk msg; \
BUG(); \
} \
} while (0)
#endif /* __KERNEL__ */
/*
* NetBSD/FreeBSD defines for file version.
*/
#define __FBSDID(_s)
#define __KERNEL_RCSID(_n,_s)
/*
* Fixes for Linux API changes
*/
#ifdef __KERNEL__
#include <linux/version.h>
#define ATH_REGISTER_SYSCTL_TABLE(t) register_sysctl_table(t)
#endif /* __KERNEL__ */
/* FIXME: this needs changing if we need to support TCM/SRAM for time critical code */
#define __tcm_text
#endif /* _ATH_COMPAT_H_ */