#define IRDA_CRC_H
#include <linux/types.h>
+#include <linux/crc-ccitt.h>
#define INIT_FCS 0xffff /* Initial FCS value */
#define GOOD_FCS 0xf0b8 /* Good final FCS value */
-extern __u16 const irda_crc16_table[];
-
/* Recompute the FCS with one more character appended. */
-static inline __u16 irda_fcs(__u16 fcs, __u8 c)
-{
- return (((fcs) >> 8) ^ irda_crc16_table[((fcs) ^ (c)) & 0xff]);
-}
+#define irda_fcs(fcs, c) crc_ccitt_byte(fcs, c)
/* Recompute the FCS with len bytes appended. */
-__u16 irda_calc_crc16( __u16 fcs, __u8 const *buf, size_t len);
+#define irda_calc_crc16(fcs, buf, len) crc_ccitt(fcs, buf, len)
#endif