diff options
Diffstat (limited to 'arch/x86/crypto/Kconfig')
| -rw-r--r-- | arch/x86/crypto/Kconfig | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/arch/x86/crypto/Kconfig b/arch/x86/crypto/Kconfig index 76229ccb79fd..03f9a3a35e42 100644 --- a/arch/x86/crypto/Kconfig +++ b/arch/x86/crypto/Kconfig @@ -467,39 +467,35 @@ config CRYPTO_GHASH_CLMUL_NI_INTEL GHASH, the hash function used in GCM (Galois/Counter mode). config CRYPTO_CRC32C_INTEL - tristate "CRC32c INTEL hardware acceleration" + tristate "CRC32c (SSE4.2/PCLMULQDQ)" depends on X86 select CRYPTO_HASH help - In Intel processor with SSE4.2 supported, the processor will - support CRC32C implementation using hardware accelerated CRC32 - instruction. This option will create 'crc32c-intel' module, - which will enable any routine to use the CRC32 instruction to - gain performance compared with software implementation. - Module will be crc32c-intel. + CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) + + Architecture: x86 (32-bit and 64-bit) using: + - SSE4.2 (Streaming SIMD Extensions 4.2) CRC32 instruction + - PCLMULQDQ (carry-less multiplication) config CRYPTO_CRC32_PCLMUL - tristate "CRC32 PCLMULQDQ hardware acceleration" + tristate "CRC32 (PCLMULQDQ)" depends on X86 select CRYPTO_HASH select CRC32 help - From Intel Westmere and AMD Bulldozer processor with SSE4.2 - and PCLMULQDQ supported, the processor will support - CRC32 PCLMULQDQ implementation using hardware accelerated PCLMULQDQ - instruction. This option will create 'crc32-pclmul' module, - which will enable any routine to use the CRC-32-IEEE 802.3 checksum - and gain better performance as compared with the table implementation. + CRC32 CRC algorithm (IEEE 802.3) + + Architecture: x86 (32-bit and 64-bit) using: + - PCLMULQDQ (carry-less multiplication) config CRYPTO_CRCT10DIF_PCLMUL - tristate "CRCT10DIF PCLMULQDQ hardware acceleration" + tristate "CRCT10DIF (PCLMULQDQ)" depends on X86 && 64BIT && CRC_T10DIF select CRYPTO_HASH help - For x86_64 processors with SSE4.2 and PCLMULQDQ supported, - CRC T10 DIF PCLMULQDQ computation can be hardware - accelerated PCLMULQDQ instruction. This option will create - 'crct10dif-pclmul' module, which is faster when computing the - crct10dif checksum as compared with the generic table implementation. + CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) + + Architecture: x86_64 using: + - PCLMULQDQ (carry-less multiplication) endmenu |