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| author | Daniel Axtens <dja@axtens.net> | 2017-03-15 23:37:37 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-24 22:02:54 +0800 |
| commit | c8111393a545bcda67b05a48758b06dd22ce1ac4 (patch) | |
| tree | ecc2fb3af6831f61e7dae9b6dab6e73b590d6b8c | |
| parent | b7181f1b53e2cfa0370bffebe688c13d806fd765 (diff) | |
| download | linux-crypto-c8111393a545bcda67b05a48758b06dd22ce1ac4.tar.gz linux-crypto-c8111393a545bcda67b05a48758b06dd22ce1ac4.zip | |
crypto: powerpc - Stress test for vpmsum implementations
vpmsum implementations often don't kick in for short test vectors.
This is a simple test module that does a configurable number of
random tests, each up to 64kB and each with random offsets.
Both CRC-T10DIF and CRC32C are tested.
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 9cf63dd8..6854c1fe 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -522,6 +522,14 @@ config CRYPTO_CRCT10DIF_VPMSUM multiply-sum (vpmsum) instructions, introduced in POWER8. Enable on POWER8 and newer processors for improved performance. +config CRYPTO_VPMSUM_TESTER + tristate "Powerpc64 vpmsum hardware acceleration tester" + depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM + help + Stress test for CRC32c and CRC-T10DIF algorithms implemented with + POWER8 vpmsum instructions. + Unless you are testing these algorithms, you don't need this. + config CRYPTO_GHASH tristate "GHASH digest algorithm" select CRYPTO_GF128MUL |