aboutsummaryrefslogtreecommitdiffstats
path: root/tools/include/tools/be_byteshift.h
blob: f4912e2668ba0c791a94f4d4c4661100b494e1d6 (plain)
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
#ifndef _TOOLS_BE_BYTESHIFT_H
#define _TOOLS_BE_BYTESHIFT_H

#include <linux/types.h>

static inline __u16 __get_unaligned_be16(const __u8 *p)
{
	return p[0] << 8 | p[1];
}

static inline __u32 __get_unaligned_be32(const __u8 *p)
{
	return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
}

static inline __u64 __get_unaligned_be64(const __u8 *p)
{
	return (__u64)__get_unaligned_be32(p) << 32 |
	       __get_unaligned_be32(p + 4);
}

static inline void __put_unaligned_be16(__u16 val, __u8 *p)
{
	*p++ = val >> 8;
	*p++ = val;
}

static inline void __put_unaligned_be32(__u32 val, __u8 *p)
{
	__put_unaligned_be16(val >> 16, p);
	__put_unaligned_be16(val, p + 2);
}

static inline void __put_unaligned_be64(__u64 val, __u8 *p)
{
	__put_unaligned_be32(val >> 32, p);
	__put_unaligned_be32(val, p + 4);
}

static inline __u16 get_unaligned_be16(const void *p)
{
	return __get_unaligned_be16((const __u8 *)p);
}

static inline __u32 get_unaligned_be32(const void *p)
{
	return __get_unaligned_be32((const __u8 *)p);
}

static inline __u64 get_unaligned_be64(const void *p)
{
	return __get_unaligned_be64((const __u8 *)p);
}

static inline void put_unaligned_be16(__u16 val, void *p)
{
	__put_unaligned_be16(val, p);
}

static inline void put_unaligned_be32(__u32 val, void *p)
{
	__put_unaligned_be32(val, p);
}

static inline void put_unaligned_be64(__u64 val, void *p)
{
	__put_unaligned_be64(val, p);
}

#endif /* _TOOLS_BE_BYTESHIFT_H */

Privacy Policy