diff options
Diffstat (limited to 'include/linux/crc32poly.h')
| -rw-r--r-- | include/linux/crc32poly.h | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/include/linux/crc32poly.h b/include/linux/crc32poly.h index 62c4b7790a28..ccab711295fa 100644 --- a/include/linux/crc32poly.h +++ b/include/linux/crc32poly.h @@ -2,19 +2,13 @@ #ifndef _LINUX_CRC32_POLY_H #define _LINUX_CRC32_POLY_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 - */ +/* The polynomial used by crc32_le(), in integer form. See crc32_le(). */ #define CRC32_POLY_LE 0xedb88320 + +/* The polynomial used by crc32_be(), in integer form. See crc32_be(). */ #define CRC32_POLY_BE 0x04c11db7 -/* - * This is the CRC32c polynomial, as outlined by Castagnoli. - * 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+ - * x^8+x^6+x^0 - */ -#define CRC32C_POLY_LE 0x82F63B78 +/* The polynomial used by crc32c(), in integer form. See crc32c(). */ +#define CRC32C_POLY_LE 0x82f63b78 #endif /* _LINUX_CRC32_POLY_H */ |