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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * 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 <[email protected]>
- */
- #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 */
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