Re: [PATCH 0/3] crypto: algif - change algif_skcipher to be asynchronous

From: Stephan Mueller
Date: Sun Feb 01 2015 - 13:31:17 EST


Am Donnerstag, 29. Januar 2015, 15:13:39 schrieb Tadeusz Struk:

Hi Tadeusz,

> The way the algif_skcipher works currently is that on sendmsg/sendpage it
> builds an sgl for the input data and then on read/recvmsg it sends the job
> for encryption putting the user to sleep till the data is processed.
> This way it can only handle one job at a given time.
> To be able to fuly utilize the potential of existing crypto hardware
> accelerators it is required to submit multiple jobs in asynchronously.
> First patch enables asynchronous read and write on socket.
> Second patch enables af_alg sgl to be linked.
> Third patch implement asynch read for skcipher.

Do you have a code fragment on how to test that patch? I would like to see
whether I can test that with my libkcapi.
>
> Signed-off-by: Tadeusz Struk <tadeusz.struk@xxxxxxxxx>
> ---
> Tadeusz Struk (3):
> net: socket: enable async read and write
> crypto: af_alg - Allow to link sgl
> crypto: algif - change algif_skcipher to be asynchronous
>
>
> crypto/af_alg.c | 16 ++
> crypto/algif_skcipher.c | 315
> ++++++++++++++++++++++++++++++++++++++++++++++- include/crypto/if_alg.h |
> 4 -
> include/net/sock.h | 2
> net/socket.c | 48 ++++++-
> 5 files changed, 364 insertions(+), 21 deletions(-)
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--
Ciao
Stephan
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