On 07.03.2016 10:28, Vladimir Zapolskiy wrote: > Hi Krzysztof, > > On 06.03.2016 12:17, Krzysztof Kozlowski wrote: >> During crypto selftests on Odroid XU3 (Exynos5422) some of the >> algorithms failed because of passing AES-block unaligned source and >> destination buffers: > > excuse my ignorance what are the crypto selftests you reference? Are they > run-time self tests run by crypto manager on algorithm registration? Yes, these tests. Disabled by CRYPTO_MANAGER_DISABLE_TESTS. > >> alg: skcipher: encryption failed on chunk test 1 for ecb-aes-s5p: ret=22 >> >> Handle such case by copying the buffers to a new aligned and contiguous >> space. > > I'm not quite convinced that a particular crypto accelerator driver > is the right place for this change, at least I don't see in the change > anything S5P-SSS specific, but it might be good to add the change. The driver sets a .cra_alignmask but docs are saying that re-alignment by crypto API might not happen. And in fact for selftets the data was coming sometimes not-aligned. On the other hand the CRYPTO_TEST was providing aligned data. > > Briefly looking at other drivers similarly atmel-* and omap-* have > slow path fallbacks, ./rockchip/rk3288_crypto_ablkcipher.c fails like > s5p-sss etc. Yes, I was kind of inspired by the omap solution. > Anyway since it is a valid improvement, please feel free to add my > > Acked-by: Vladimir Zapolskiy <vz@xxxxxxxxx> Thanks! Krzysztof > >> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> >> --- >> drivers/crypto/s5p-sss.c | 149 +++++++++++++++++++++++++++++++++++++++++++---- >> 1 file changed, 137 insertions(+), 12 deletions(-) >> -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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