Re: [dpdk-dev] [dpdk-dev v10 0/4] cryptodev: add raw data-path APIs

["Zhang, Roy Fan" <roy.fan.zhang@intel.com>]

Ok. Will do ASAP.

> -----Original Message-----
> From: Akhil Goyal <akhil.goyal@nxp.com>
> Sent: Thursday, October 8, 2020 4:04 PM
> To: Zhang, Roy Fan <roy.fan.zhang@intel.com>; dev@dpdk.org; Ananyev,
> Konstantin <konstantin.ananyev@intel.com>
> Cc: Trahe, Fiona <fiona.trahe@intel.com>; Kusztal, ArkadiuszX
> <arkadiuszx.kusztal@intel.com>; Dybkowski, AdamX
> <adamx.dybkowski@intel.com>; anoobj@marvell.com
> Subject: RE: [dpdk-dev v10 0/4] cryptodev: add raw data-path APIs
> 
> Hi Fan,
> 
> > The Crypto Raw data-path APIs are a set of APIs are designed to enable
> > externel libraries/applications which want to leverage the cryptographic
> > processing provided by DPDK crypto PMDs through the cryptodev API but
> in a
> > manner that is not dependent on native DPDK data structures (eg.
> rte_mbuf,
> > rte_crypto_op, ... etc) in their data-path implementation.
> >
> > The raw data-path APIs have the following advantages:
> > - External data structure friendly design. The new APIs uses the operation
> > descriptor ``struct rte_crypto_sym_vec`` that supports raw data pointer
> and
> > IOVA addresses as input. Moreover, the APIs does not require the user to
> > allocate the descriptor from mempool, nor requiring mbufs to describe
> input
> > data's virtual and IOVA addresses. All these features made the translation
> > from user's own data structure into the descriptor easier and more
> efficient.
> > - Flexible enqueue and dequeue operation. The raw data-path APIs gives
> the
> > user more control to the enqueue and dequeue operations, including the
> > capability of precious enqueue/dequeue count, abandoning enqueue or
> dequeue
> > at any time, and operation status translation and set on the fly.
> >
> > V10:
> > - Changed rte_crypto_sym_vec structure to support both sync cpu_crypto
> and
> >   async raw data-path API.
> > - Changed documentation.
> > - Changed API names.
> > - Changed the way data-path context is initialized.
> > - Added new API to attach session or xform to existing context.
> > - Changed QAT PMD accordingly with new APIs.
> > - Changed unit test to use the device feature flag for the raw API tests.
> >
> I have some comment on the V10, please revert asap so that these can be
> merged in RC1.
> 
> @konstantin.ananyev@intel.com: Could you please have a look at the 2/4
> patch as well?
> 
> Regards,
> Akhil