linux/lib/crc16.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *      crc16.c
 */

#include <linux/types.h>
#include <linux/module.h>
#include <linux/crc16.h>

/** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
u16 const crc16_table[256] = …;
EXPORT_SYMBOL(…);

/**
 * crc16 - compute the CRC-16 for the data buffer
 * @crc:	previous CRC value
 * @buffer:	data pointer
 * @len:	number of bytes in the buffer
 *
 * Returns the updated CRC value.
 */
u16 crc16(u16 crc, u8 const *buffer, size_t len)
{ … }
EXPORT_SYMBOL(…);

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;