blob: f99c89fca5feb2888f1a3523937ad6cd2238080b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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
|