17 lines
		
	
	
		
			369 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			369 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _LINUX_CRC_CCITT_H
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| #define _LINUX_CRC_CCITT_H
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| 
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| #include <linux/types.h>
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| 
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| extern u16 const crc_ccitt_table[256];
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| 
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| extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
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| 
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| static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
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| {
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| 	return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
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| }
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| 
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| #endif /* _LINUX_CRC_CCITT_H */
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