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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/net/irda/crc.h | |
download | kernel_samsung_crespo-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip kernel_samsung_crespo-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz kernel_samsung_crespo-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.bz2 |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'include/net/irda/crc.h')
-rw-r--r-- | include/net/irda/crc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/net/irda/crc.h b/include/net/irda/crc.h new file mode 100644 index 0000000..f202296 --- /dev/null +++ b/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 |