mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 14:10:43 +00:00
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
|
|
*==========================================================================
|
|
*
|
|
* 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_ */
|