Current File : //usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/net/irda/crc.h
/*********************************************************************
*
* Filename: crc.h
* Version:
* Description: CRC routines
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Mon Aug 4 20:40:53 1997
* Modified at: Sun May 2 20:25:23 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
********************************************************************/
#ifndef IRDA_CRC_H
#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 */
/* Recompute the FCS with one more character appended. */
#define irda_fcs(fcs, c) crc_ccitt_byte(fcs, c)
/* Recompute the FCS with len bytes appended. */
#define irda_calc_crc16(fcs, buf, len) crc_ccitt(fcs, buf, len)
#endif
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