diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:09:08 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-04 15:56:02 +0200 |
| commit | 15dedf321036ae67c61f35a3ab55de767b07801f (patch) | |
| tree | 08e18a1b8bb1339a8a8b68802fe4c4ad09b9cdfb /drivers/net/nfp/nfpcore/nfp_crc.h | |
| parent | 9f3a8cb4cfe59ea63e267f69700fb0fde13d7dd3 (diff) | |
New upstream version 18.05upstream-18.05-stable
Change-Id: Ib515da8d5db1114f07a5fe26239d1c2061007c1c
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/nfp/nfpcore/nfp_crc.h')
| -rw-r--r-- | drivers/net/nfp/nfpcore/nfp_crc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/nfp/nfpcore/nfp_crc.h b/drivers/net/nfp/nfpcore/nfp_crc.h new file mode 100644 index 00000000..f99c89fc --- /dev/null +++ b/drivers/net/nfp/nfpcore/nfp_crc.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2018 Netronome Systems, Inc. + * All rights reserved. + */ + +#ifndef __NFP_CRC_H__ +#define __NFP_CRC_H__ + +/* + * There are multiple 16-bit CRC polynomials in common use, but this is + * *the* standard CRC-32 polynomial, first popularized by Ethernet. + * x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x^1+x^0 + */ +#define CRCPOLY_LE 0xedb88320 +#define CRCPOLY_BE 0x04c11db7 + +uint32_t nfp_crc32_posix(const void *buff, size_t len); + +#endif |