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authorMarcin Nowakowski <marcin.nowakowski@mips.com>2018-02-09 22:11:06 +0000
committerJames Hogan <jhogan@kernel.org>2018-02-19 20:50:36 +0000
commit4a5dc51e93e80463010ab4d8d00fc9cb6bc936fa (patch)
tree3a3aff80ed9c941debeb71b973ea772dff81144e /crypto
parent256211f2b0b251e532d1899b115e374feb16fa7a (diff)
downloadlinux-4a5dc51e93e80463010ab4d8d00fc9cb6bc936fa.tar.bz2
MIPS: crypto: Add crc32 and crc32c hw accelerated module
This module registers crc32 and crc32c algorithms that use the optional CRC32[bhwd] and CRC32C[bhwd] instructions in MIPSr6 cores. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@mips.com> Signed-off-by: James Hogan <jhogan@kernel.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-mips@linux-mips.org Cc: linux-crypto@vger.kernel.org Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Patchwork: https://patchwork.linux-mips.org/patch/18601/ [jhogan@kernel.org: Add CRYPTO_ALG_OPTIONAL_KEY flag on Eric Biggers' suggestion, due to commit a208fa8f3303 ("crypto: hash - annotate algorithms taking optional key") in v4.16-rc1]
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index b75264b09a46..6591c3a78f57 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -496,6 +496,15 @@ config CRYPTO_CRC32_PCLMUL
which will enable any routine to use the CRC-32-IEEE 802.3 checksum
and gain better performance as compared with the table implementation.
+config CRYPTO_CRC32_MIPS
+ tristate "CRC32c and CRC32 CRC algorithm (MIPS)"
+ depends on MIPS_CRC_SUPPORT
+ select CRYPTO_HASH
+ help
+ CRC32c and CRC32 CRC algorithms implemented using mips crypto
+ instructions, when available.
+
+
config CRYPTO_CRCT10DIF
tristate "CRCT10DIF algorithm"
select CRYPTO_HASH