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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
| commit | 34e3b522eca7e8741cecb7c2241091f181d1bd1f (patch) | |
| tree | 3b64ac3aa4603539b8f8f384bc39998e29948900 /libdde_linux26/contrib/include/net/irda/crc.h | |
| parent | d4e6a14eb3fad1b43a21214db139db441025baf5 (diff) | |
| parent | 6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (diff) | |
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde_linux26/contrib/include/net/irda/crc.h')
| -rw-r--r-- | libdde_linux26/contrib/include/net/irda/crc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/net/irda/crc.h b/libdde_linux26/contrib/include/net/irda/crc.h new file mode 100644 index 00000000..f202296d --- /dev/null +++ b/libdde_linux26/contrib/include/net/irda/crc.h @@ -0,0 +1,29 @@ +/********************************************************************* + * + * 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 |