From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- include/net/irda/crc.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 include/net/irda/crc.h (limited to 'include/net/irda/crc.h') diff --git a/include/net/irda/crc.h b/include/net/irda/crc.h new file mode 100644 index 00000000..f202296d --- /dev/null +++ b/include/net/irda/crc.h @@ -0,0 +1,29 @@ +/********************************************************************* + * + * Filename: crc.h + * Version: + * Description: CRC routines + * Status: Experimental. + * Author: Dag Brattli + * Created at: Mon Aug 4 20:40:53 1997 + * Modified at: Sun May 2 20:25:23 1999 + * Modified by: Dag Brattli + * + ********************************************************************/ + +#ifndef IRDA_CRC_H +#define IRDA_CRC_H + +#include +#include + +#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 -- cgit v1.3.1