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