crc-ccitt.h

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#ifndef _LINUX_CRC_CCITT_H
#define _LINUX_CRC_CCITT_H

#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 /* _LINUX_CRC_CCITT_H */