From: "Jain, Deepak K" <deepak.k.jain@intel.com>
To: "Trahe, Fiona" <fiona.trahe@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
"Griffin, John" <john.griffin@intel.com>,
"Kusztal, ArkadiuszX" <arkadiuszx.kusztal@intel.com>
Subject: Re: [dpdk-dev] [PATCH 1/2] crypto/qat: rework request builder for performance
Date: Mon, 24 Oct 2016 13:34:01 +0000 [thread overview]
Message-ID: <A09C9DDE180C7E429EC68E2BFB95C90339490BBD@IRSMSX107.ger.corp.intel.com> (raw)
In-Reply-To: <1477310400-4934-2-git-send-email-fiona.trahe@intel.com>
> -----Original Message-----
> From: Trahe, Fiona
> Sent: Monday, October 24, 2016 1:00 PM
> To: dev@dpdk.org
> Cc: De Lara Guarch, Pablo <pablo.de.lara.guarch@intel.com>; Trahe, Fiona
> <fiona.trahe@intel.com>; Griffin, John <john.griffin@intel.com>; Jain,
> Deepak K <deepak.k.jain@intel.com>; Kusztal, ArkadiuszX
> <arkadiuszx.kusztal@intel.com>
> Subject: [PATCH 1/2] crypto/qat: rework request builder for performance
>
> QAT PMD adjusts the buffer start address and offsets passed to the device
> so that the DMAs in and out of the device are 64-byte aligned.
> This gives more consistent throughput, which had been variable depending
> on how the application set up the mbuf.
> The message builder code had to be considerably re-factored to do this
> efficiently.
>
> Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
> ---
> drivers/crypto/qat/qat_adf/icp_qat_hw.h | 5 +
> drivers/crypto/qat/qat_adf/qat_algs.h | 1 +
> drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 2 +
> drivers/crypto/qat/qat_crypto.c | 239 ++++++++++++++++-------
> 4 files changed, 176 insertions(+), 71 deletions(-)
>
> diff --git a/drivers/crypto/qat/qat_adf/icp_qat_hw.h
> b/drivers/crypto/qat/qat_adf/icp_qat_hw.h
> index a08094f..ebe245f 100644
> --- a/drivers/crypto/qat/qat_adf/icp_qat_hw.h
> --
> 2.5.0
Acked-By: Deepak Kumar Jain <deepak.k.jain@intel.com>
next prev parent reply other threads:[~2016-10-24 13:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-24 11:59 [dpdk-dev] [PATCH 0/2] crypto/qat: performance optimisation Fiona Trahe
2016-10-24 11:59 ` [dpdk-dev] [PATCH 1/2] crypto/qat: rework request builder for performance Fiona Trahe
2016-10-24 13:34 ` Jain, Deepak K [this message]
2016-10-24 12:00 ` [dpdk-dev] [PATCH 2/2] app/test: use correct offsets in AES perf test Fiona Trahe
2016-10-24 13:35 ` Jain, Deepak K
2016-10-25 14:45 ` [dpdk-dev] [PATCH 0/2] crypto/qat: performance optimisation De Lara Guarch, Pablo
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