netdev - Re: [PATCH 0/3] crypto: algif - change algif

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Message-ID: <1653087.XMGL7JlhQx@tachyon.chronox.de>
Date:	Sun, 01 Feb 2015 19:31:06 +0100
From:	Stephan Mueller <smueller@...onox.de>
To:	Tadeusz Struk <tadeusz.struk@...el.com>
Cc:	herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
	netdev@...r.kernel.org, davem@...emloft.net, qat-linux@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] crypto: algif - change algif_skcipher to be asynchronous

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@...el.com>
> ---
> 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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