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e37f2f93af
Header was defining CRCPOLY_LE/BE and CRC32C_POLY_LE but in fact all of them are CRC-32 polynomials so use consistent naming. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
21 lines
610 B
C
21 lines
610 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_CRC32_POLY_H
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#define _LINUX_CRC32_POLY_H
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/*
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* There are multiple 16-bit CRC polynomials in common use, but this is
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* *the* standard CRC-32 polynomial, first popularized by Ethernet.
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* 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
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*/
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#define CRC32_POLY_LE 0xedb88320
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#define CRC32_POLY_BE 0x04c11db7
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/*
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* This is the CRC32c polynomial, as outlined by Castagnoli.
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* x^32+x^28+x^27+x^26+x^25+x^23+x^22+x^20+x^19+x^18+x^14+x^13+x^11+x^10+x^9+
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* x^8+x^6+x^0
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*/
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#define CRC32C_POLY_LE 0x82F63B78
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#endif /* _LINUX_CRC32_POLY_H */
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