[u-boot.git] / include / linux / crc8.h

/*
 * Copyright (c) 2013 Google, Inc
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */


#ifndef __linux_crc8_h
#define __linux_crc8_h

/**
 * crc8() - Calculate and return CRC-8 of the data
 *
 * This uses an x^8 + x^2 + x + 1 polynomial.  A table-based algorithm would
 * be faster, but for only a few bytes it isn't worth the code size
 *
 * @crc_start: CRC8 start value
 * @vptr: Buffer to checksum
 * @len: Length of buffer in bytes
 * @return CRC8 checksum
 */
unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);

#endif
Commit	Line	Data
60d18d3f SG	1	/*
	2	* Copyright (c) 2013 Google, Inc
	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7
	8	#ifndef __linux_crc8_h
	9	#define __linux_crc8_h
	10
	11	/**
	12	* crc8() - Calculate and return CRC-8 of the data
	13	*
	14	* This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would
	15	* be faster, but for only a few bytes it isn't worth the code size
	16	*
456ecd08	17	* @crc_start: CRC8 start value
60d18d3f SG	18	* @vptr: Buffer to checksum
	19	* @len: Length of buffer in bytes
	20	* @return CRC8 checksum
	21	*/
456ecd08	22	unsigned int crc8(unsigned int crc_start, const unsigned char *vptr, int len);
60d18d3f SG	23
60d18d3f SG	24	#endif