/* | |
* crc16.h - CRC-16 routine | |
* | |
* Implements the standard CRC-16: | |
* Width 16 | |
* Poly 0x8005 (x^16 + x^15 + x^2 + 1) | |
* Init 0 | |
* | |
* Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com> | |
* | |
* This source code is licensed under the GNU General Public License, | |
* Version 2. See the file COPYING for more details. | |
*/ | |
#ifndef __CRC16_H | |
#define __CRC16_H | |
#include <linux/types.h> | |
extern u16 const crc16_table[256]; | |
extern u16 crc16(u16 crc, const u8 *buffer, size_t len); | |
static inline u16 crc16_byte(u16 crc, const u8 data) | |
{ | |
return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff]; | |
} | |
#endif /* __CRC16_H */ | |