1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * crc16.h - CRC-16 routine
5 * Implements the standard CRC-16:
7 * Poly 0x8005 (x^16 + x^15 + x^2 + 1)
10 * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com>
16 #include <linux/types.h>
18 extern u16 const crc16_table[256];
20 extern u16 crc16(u16 crc, const u8 *buffer, size_t len);
22 static inline u16 crc16_byte(u16 crc, const u8 data)
24 return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff];
27 #endif /* __CRC16_H */