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1 | #ifndef _TOOLS_LE_BYTESHIFT_H |
2 | #define _TOOLS_LE_BYTESHIFT_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | ||
6 | static inline __u16 __get_unaligned_le16(const __u8 *p) | |
7 | { | |
8 | return p[0] | p[1] << 8; | |
9 | } | |
10 | ||
11 | static inline __u32 __get_unaligned_le32(const __u8 *p) | |
12 | { | |
13 | return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24; | |
14 | } | |
15 | ||
16 | static inline __u64 __get_unaligned_le64(const __u8 *p) | |
17 | { | |
18 | return (__u64)__get_unaligned_le32(p + 4) << 32 | | |
19 | __get_unaligned_le32(p); | |
20 | } | |
21 | ||
22 | static inline void __put_unaligned_le16(__u16 val, __u8 *p) | |
23 | { | |
24 | *p++ = val; | |
25 | *p++ = val >> 8; | |
26 | } | |
27 | ||
28 | static inline void __put_unaligned_le32(__u32 val, __u8 *p) | |
29 | { | |
30 | __put_unaligned_le16(val >> 16, p + 2); | |
31 | __put_unaligned_le16(val, p); | |
32 | } | |
33 | ||
34 | static inline void __put_unaligned_le64(__u64 val, __u8 *p) | |
35 | { | |
36 | __put_unaligned_le32(val >> 32, p + 4); | |
37 | __put_unaligned_le32(val, p); | |
38 | } | |
39 | ||
40 | static inline __u16 get_unaligned_le16(const void *p) | |
41 | { | |
42 | return __get_unaligned_le16((const __u8 *)p); | |
43 | } | |
44 | ||
45 | static inline __u32 get_unaligned_le32(const void *p) | |
46 | { | |
47 | return __get_unaligned_le32((const __u8 *)p); | |
48 | } | |
49 | ||
50 | static inline __u64 get_unaligned_le64(const void *p) | |
51 | { | |
52 | return __get_unaligned_le64((const __u8 *)p); | |
53 | } | |
54 | ||
55 | static inline void put_unaligned_le16(__u16 val, void *p) | |
56 | { | |
57 | __put_unaligned_le16(val, p); | |
58 | } | |
59 | ||
60 | static inline void put_unaligned_le32(__u32 val, void *p) | |
61 | { | |
62 | __put_unaligned_le32(val, p); | |
63 | } | |
64 | ||
65 | static inline void put_unaligned_le64(__u64 val, void *p) | |
66 | { | |
67 | __put_unaligned_le64(val, p); | |
68 | } | |
69 | ||
70 | #endif /* _TOOLS_LE_BYTESHIFT_H */ |