patch-2.2.10 linux/include/net/irda/crc.h
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- Lines: 35
- Date:
Sun May 30 10:17:03 1999
- Orig file:
v2.2.9/linux/include/net/irda/crc.h
- Orig date:
Wed Jan 20 23:14:06 1999
diff -u --recursive --new-file v2.2.9/linux/include/net/irda/crc.h linux/include/net/irda/crc.h
@@ -6,25 +6,28 @@
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Mon Aug 4 20:40:53 1997
- * Modified at: Tue Dec 15 22:18:53 1998
+ * Modified at: Sun May 2 20:25:23 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
********************************************************************/
-#ifndef IR_CRC_H
-#define IR_CRC_H
+#ifndef IRDA_CRC_H
+#define IRDA_CRC_H
#include <linux/types.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. */
-#define IR_FCS(fcs, c) (((fcs) >> 8) ^ irda_crc16_table[((fcs) ^ (c)) & 0xff])
+static inline __u16 irda_fcs(__u16 fcs, __u8 c)
+{
+ return (((fcs) >> 8) ^ irda_crc16_table[((fcs) ^ (c)) & 0xff]);
+}
/* Recompute the FCS with len bytes appended. */
unsigned short crc_calc( __u16 fcs, __u8 const *buf, size_t len);
-
-extern __u16 const irda_crc16_table[];
#endif
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