blob: 5085d4ed477919c0f01390742c7b5b23892e9894 (
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
|
/*
*==========================================================================
*
* crc.h
*
* Interface for the CRC algorithms.
*
*==========================================================================
* SPDX-License-Identifier: eCos-2.0
*==========================================================================
*#####DESCRIPTIONBEGIN####
*
* Author(s): Andrew Lunn
* Contributors: Andrew Lunn
* Date: 2002-08-06
* Purpose:
* Description:
*
* This code is part of eCos (tm).
*
*####DESCRIPTIONEND####
*
*==========================================================================
*/
#ifndef _SERVICES_CRC_CRC_H_
#define _SERVICES_CRC_CRC_H_
#include <linux/types.h>
#ifndef __externC
# ifdef __cplusplus
# define __externC extern "C"
# else
# define __externC extern
# endif
#endif
/* Compute a CRC, using the POSIX 1003 definition */
extern uint32_t
cyg_posix_crc32(unsigned char *s, int len);
/* Gary S. Brown's 32 bit CRC */
extern uint32_t
cyg_crc32(unsigned char *s, int len);
/* Gary S. Brown's 32 bit CRC, but accumulate the result from a */
/* previous CRC calculation */
extern uint32_t
cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
/* Ethernet FCS Algorithm */
extern uint32_t
cyg_ether_crc32(unsigned char *s, int len);
/* Ethernet FCS algorithm, but accumulate the result from a previous */
/* CRC calculation. */
extern uint32_t
cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */
extern uint16_t cyg_crc16(unsigned char *s, int len);
#endif /* _SERVICES_CRC_CRC_H_ */
|
