From b63264c8342e6a1b6971c79550d2af2024b6a4de Mon Sep 17 00:00:00 2001 From: Luca Boccassi Date: Tue, 14 Aug 2018 18:52:30 +0100 Subject: New upstream version 18.08 Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi --- drivers/net/nfp/nfpcore/nfp_crc.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 drivers/net/nfp/nfpcore/nfp_crc.h (limited to 'drivers/net/nfp/nfpcore/nfp_crc.h') 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 -- cgit 1.2.3-korg