Shirish,
Does the recent crypto merge to kernel, which includes these two
patches for example, help you (at least on the more common chips,
those with optimized AES offload support)? Wonder if we can leverage
the hardware offload in Samba?
commit c456a9cd1ac4eae9147ffd7ac4fb77ca0fa980c6
Author: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
Date: Mon Apr 8 21:51:16 2013 +0300
crypto: aesni_intel - add more optimized XTS mode for x86-64
Add more optimized XTS code for aesni_intel in 64-bit mode, for
smaller stack
usage and boost for speed.
tcrypt results, with Intel i5-2450M:
256-bit key
enc dec
16B 0.98x 0.99x
64B 0.64x 0.63x
256B 1.29x 1.32x
1024B 1.54x 1.58x
8192B 1.57x 1.60x
--
performance is reduced in tcrypt for 64 byte long blocks.
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
commit b5c5b072dc2f35d45d3404b957e264a3e8e71069
Author: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
Date: Mon Apr 8 21:51:11 2013 +0300
crypto: x86/camellia-aesni-avx - add more optimized XTS code
Add more optimized XTS code for camellia-aesni-avx, for smaller stack usage
and small boost for speed.
tcrypt results, with Intel i5-2450M:
enc dec
16B 1.10x 1.01x
64B 0.82x 0.77x
256B 1.14x 1.10x
1024B 1.17x 1.16x
8192B 1.10x 1.11x
--
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
On Mon, May 6, 2013 at 9:00 AM, Shirish S Pargaonkar
<shirishp@xxxxxxxxxx> wrote:
>
> Steve, I am using Herbert Xu 3.8 git repository which has the code.
>
> Regards,
>
> Shirish
>
> Steve French ---05/05/2013 10:43:10 PM---Sounds great. Has the new aes cmac lib been added to kernel yet in 3.10? On May 5, 2013 10:33 PM, "
>
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--
Thanks,
Steve
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