+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _TABLES_CSUM_H_
#define _TABLES_CSUM_H_
-u8 table_compute_checksum(void *v, int len);
+static inline u8 table_compute_checksum(void *v, int len)
+{
+ u8 *bytes = v;
+ u8 checksum = 0;
+ int i;
+
+ for (i = 0; i < len; i++)
+ checksum -= bytes[i];
+
+ return checksum;
+}
#endif