/* * 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 */
/*
* 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 */