[dpdk-dev] [PATCH v2 09/10] doc/crypto: document digest-encrypted limitations in qat

Akhil Goyal akhil.goyal at nxp.com
Thu Jun 13 10:12:56 CEST 2019


Hi Damian,

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Damian Nowak
> Sent: Friday, June 7, 2019 3:36 PM
> To: dev at dpdk.org
> Cc: fiona.trahe at intel.com; arkadiuszx.kusztal at intel.com; Damian Nowak
> <damianx.nowak at intel.com>
> Subject: [dpdk-dev] [PATCH v2 09/10] doc/crypto: document digest-encrypted
> limitations in qat
> 
> This patch adds description of limitation when
> using digest-appended auth-cipher operations
> on QuickAssist Technology driver.
> 
> Signed-off-by: Damian Nowak <damianx.nowak at intel.com>
> ---
>  doc/guides/cryptodevs/qat.rst | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst
> index e905f6d..7b57035 100644
> --- a/doc/guides/cryptodevs/qat.rst
> +++ b/doc/guides/cryptodevs/qat.rst
> @@ -82,6 +82,7 @@ Limitations
>  * ZUC EEA3/EIA3 is not supported by dh895xcc devices
>  * Maximum additional authenticated data (AAD) for GCM is 240 bytes long and
> must be passed to the device in a buffer rounded up to the nearest block-size
> multiple (x16) and padded with zeros.
>  * Queue pairs are not thread-safe (that is, within a single queue pair, RX and TX
> from different lcores is not supported).
> +* Only SNOW 3G (UIA2), KASUMI (F9) and ZUC (EIA3) are supported, when
> using hash-cipher with digest appended and encrypted operations.
> 
>  Extra notes on KASUMI F9
>  ~~~~~~~~~~~~~~~~~~~~~~~~
> --
> 2.7.4

This patch can be squashed to the driver patch which support this feature.

-Akhil


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