blob: 27d147b1643c13c498da2cfea1021031a4610fb5 [file] [log] [blame]
Alexander Graf120b0412016-08-19 01:23:22 +02001/*
2 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#ifndef _TABLES_CSUM_H_
8#define _TABLES_CSUM_H_
9
10static inline u8 table_compute_checksum(void *v, int len)
11{
12 u8 *bytes = v;
13 u8 checksum = 0;
14 int i;
15
16 for (i = 0; i < len; i++)
17 checksum -= bytes[i];
18
19 return checksum;
20}
21
22#endif