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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 | 146c8688d99c574d9ff0af17eca51bbd6402a57f (patch) | |
| tree | 0bfe26c5cad237ed9aa49283fa7e72e24059a467 /crypto | |
| parent | b01df1c16c9a6f7a14f843d3ac6b9eef5a7bb17e (diff) | |
| download | linux-stable-146c8688d99c574d9ff0af17eca51bbd6402a57f.tar.gz linux-stable-146c8688d99c574d9ff0af17eca51bbd6402a57f.tar.bz2 linux-stable-146c8688d99c574d9ff0af17eca51bbd6402a57f.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>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 9cf63dd84364..6854c1fe54b7 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 |