| /* | |
| * Copyright (c) 2013 Google, Inc | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #ifndef __linux_crc8_h | |
| #define __linux_crc8_h | |
| /** | |
| * crc8() - Calculate and return CRC-8 of the data | |
| * | |
| * This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would | |
| * be faster, but for only a few bytes it isn't worth the code size | |
| * | |
| * @vptr: Buffer to checksum | |
| * @len: Length of buffer in bytes | |
| * @return CRC8 checksum | |
| */ | |
| unsigned int crc8(const unsigned char *vptr, int len); | |
| #endif |