18 lines
372 B
C
18 lines
372 B
C
#ifndef _LINUX_CRC_CCITT_H
|
|
#define _LINUX_CRC_CCITT_H
|
|
#ifdef __KERNEL__
|
|
|
|
#include <linux/types.h>
|
|
|
|
extern u16 const crc_ccitt_table[256];
|
|
|
|
extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
|
|
|
|
static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
|
|
{
|
|
return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _LINUX_CRC_CCITT_H */
|