DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Gujjar, Abhinandan S" <abhinandan.gujjar@intel.com>
To: Anoob Joseph <anoobj@marvell.com>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
	Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>,
	"nipun.gupta@nxp.com" <nipun.gupta@nxp.com>,
	"sachin.saxena@oss.nxp.com" <sachin.saxena@oss.nxp.com>,
	"matan@nvidia.com" <matan@nvidia.com>,
	"Zhang, Roy Fan" <roy.fan.zhang@intel.com>,
	"g.singh@nxp.com" <g.singh@nxp.com>,
	"Carrillo, Erik G" <erik.g.carrillo@intel.com>,
	"Jayatheerthan, Jay" <jay.jayatheerthan@intel.com>,
	Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>,
	"Van Haaren, Harry" <harry.van.haaren@intel.com>,
	 Akhil Goyal <gakhil@marvell.com>,
	Shijith Thotton <sthotton@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 2/3] event/octeontx2: support crypto adapter forward mode
Date: Wed, 7 Apr 2021 15:06:16 +0000
Message-ID: <DM6PR11MB3548613FB4B2E011285FF421E8759@DM6PR11MB3548.namprd11.prod.outlook.com> (raw)
In-Reply-To: <MWHPR18MB1168D81F031C1A0C08BE0462DF769@MWHPR18MB1168.namprd18.prod.outlook.com>



> -----Original Message-----
> From: Anoob Joseph <anoobj@marvell.com>
> Sent: Tuesday, April 6, 2021 8:31 PM
> To: Gujjar, Abhinandan S <abhinandan.gujjar@intel.com>
> Cc: thomas@monjalon.net; Jerin Jacob Kollanukkaran <jerinj@marvell.com>;
> hemant.agrawal@nxp.com; nipun.gupta@nxp.com;
> sachin.saxena@oss.nxp.com; matan@nvidia.com; Zhang, Roy Fan
> <roy.fan.zhang@intel.com>; g.singh@nxp.com; Carrillo, Erik G
> <erik.g.carrillo@intel.com>; Jayatheerthan, Jay
> <jay.jayatheerthan@intel.com>; Pavan Nikhilesh Bhagavatula
> <pbhagavatula@marvell.com>; Van Haaren, Harry
> <harry.van.haaren@intel.com>; Akhil Goyal <gakhil@marvell.com>; Shijith
> Thotton <sthotton@marvell.com>; dev@dpdk.org
> Subject: RE: [PATCH v4 2/3] event/octeontx2: support crypto adapter
> forward mode
> 
> Hi Abhinandan,
> 
> Please see inline.
> 
> Thanks,
> Anoob
> 
> > >
> > > Advertise crypto adapter forward mode capability and set crypto
> > > adapter enqueue function in driver.
> > >
> > > Signed-off-by: Shijith Thotton <sthotton@marvell.com>
> 
> [snip]
> 
> > > +
> > > +	if (!ev->sched_type)
> > > +		otx2_ssogws_head_wait(tag_op);
> > > +	if (qp->ca_enable)
> > > +		return cdev->enqueue_burst(qp, &crypto_op, 1);
> > > +
> > > +free_op:
> > > +	rte_pktmbuf_free(crypto_op->sym->m_src);
> > > +	rte_crypto_op_free(crypto_op);
> > > +	return 0;
> > > +}
> >
> > I am trying to understand this in requirement perspective. This
> > enqueue function is same as SW adapter's enqueue function.
> > Currently, application could directly enqueue to cryptodev in NEW
> > mode. By having this in PMD, how is FORWARD mode taken care?
> >
> 
> [Anoob] Difference is the ordering point when used with ORDERED flows.
> 
> If application is working on an ORDERED flow, with OP_NEW, application
> would require to queue to an ATOMIC queue before submitting to cryptodev
> (to maintain ordering). But with OP_FORWARD, application can provide an
> event to the event PMD and internally it can take care of ordering as well
> enqueue to crypto "hardware". This becomes particularly useful when event
> hardware can support ordering while enqueueing to crypto hardware(and
> hence the "internal port").
Got it.
Referring to the above code, if qp->ca_enable is not enabled, the ops and mbuf will be freed and returned 0.
Does not this make the application/worker to think that enqueue is not successful and it should retry enqueuing same buffers again?

> 
> With the current spec, OP_FORWARD would allow application to enqueue
> crypto_op as an event to event device. But this event doesn't have any
> additional information which would indicate it is destined to crypto. The new
> API would solve this issue.
> 
> [snip]

  reply	other threads:[~2021-04-07 15:06 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-18 18:12 [dpdk-dev] [PATCH] [RFC] eventdev: introduce crypto adapter enqueue API Akhil Goyal
2021-03-26  9:12 ` [dpdk-dev] [PATCH v1 0/2] Enhancements to crypto adapter forward mode Shijith Thotton
2021-03-26  9:12   ` [dpdk-dev] [PATCH v1 1/2] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-03-27  6:04     ` Pavan Nikhilesh Bhagavatula
2021-03-26  9:12   ` [dpdk-dev] [PATCH v1 2/2] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-03-27  6:27     ` Pavan Nikhilesh Bhagavatula
2021-03-29  4:31       ` Shijith Thotton
2021-03-29 15:04   ` [dpdk-dev] [PATCH v2 0/2] Enhancements to " Shijith Thotton
2021-03-29 15:04     ` [dpdk-dev] [PATCH v2 1/2] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-03-29 15:04     ` [dpdk-dev] [PATCH v2 2/2] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-02 15:03     ` [dpdk-dev] [PATCH v3 0/3] Enhancements to " Shijith Thotton
2021-04-02 15:03       ` [dpdk-dev] [PATCH v3 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-02 15:03       ` [dpdk-dev] [PATCH v3 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-02 15:03       ` [dpdk-dev] [PATCH v3 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-02 17:01       ` [dpdk-dev] [PATCH v4 0/3] Enhancements to crypto adapter forward mode Shijith Thotton
2021-04-02 17:01         ` [dpdk-dev] [PATCH v4 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-03 12:32           ` Gujjar, Abhinandan S
2021-04-05 17:40             ` Akhil Goyal
2021-04-07 15:28               ` Gujjar, Abhinandan S
2021-04-08 14:56                 ` Akhil Goyal
2021-04-08 16:57                   ` Gujjar, Abhinandan S
2021-04-08 18:44                     ` Akhil Goyal
2021-04-02 17:01         ` [dpdk-dev] [PATCH v4 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-03 10:20           ` Gujjar, Abhinandan S
2021-04-06 15:01             ` Anoob Joseph
2021-04-07 15:06               ` Gujjar, Abhinandan S [this message]
2021-04-08  6:45                 ` Shijith Thotton
2021-04-02 17:01         ` [dpdk-dev] [PATCH v4 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-03 11:08           ` Gujjar, Abhinandan S
2021-04-05  6:10             ` Shijith Thotton
2021-04-08 19:24         ` [dpdk-dev] [PATCH v5 0/3] Enhancements to crypto adapter forward mode Shijith Thotton
2021-04-08 19:24           ` [dpdk-dev] [PATCH v5 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-08 19:24           ` [dpdk-dev] [PATCH v5 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-08 19:24           ` [dpdk-dev] [PATCH v5 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-09 14:00           ` [dpdk-dev] [PATCH v6 0/3] Enhancements to crypto adapter forward mode Shijith Thotton
2021-04-09 14:00             ` [dpdk-dev] [PATCH v6 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-09 14:00             ` [dpdk-dev] [PATCH v6 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-09 14:00             ` [dpdk-dev] [PATCH v6 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-12  5:10               ` Gujjar, Abhinandan S
2021-04-12  7:02                 ` Shijith Thotton
2021-04-12  7:24                   ` Gujjar, Abhinandan S
2021-04-12  7:35                     ` Shijith Thotton
2021-04-12 13:52                       ` Shijith Thotton
2021-04-12 15:00                         ` Gujjar, Abhinandan S
2021-04-12  7:43             ` [dpdk-dev] [PATCH v7 0/3] Enhancements to crypto adapter forward mode Shijith Thotton
2021-04-12  7:43               ` [dpdk-dev] [PATCH v7 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-13  3:23                 ` Gujjar, Abhinandan S
2021-04-12  7:43               ` [dpdk-dev] [PATCH v7 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-13  3:34                 ` Gujjar, Abhinandan S
2021-04-13  8:51                   ` Shijith Thotton
2021-04-12  7:43               ` [dpdk-dev] [PATCH v7 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-13  3:45                 ` Gujjar, Abhinandan S
2021-04-13 10:29               ` [dpdk-dev] [PATCH v8 0/3] Enhancements to crypto adapter forward mode Shijith Thotton
2021-04-13 10:29                 ` [dpdk-dev] [PATCH v8 1/3] eventdev: introduce crypto adapter enqueue API Shijith Thotton
2021-04-14  7:28                   ` Jerin Jacob Kollanukkaran
2021-04-14  7:58                     ` Akhil Goyal
2021-04-14  8:18                       ` Thomas Monjalon
2021-04-14  8:39                         ` [dpdk-dev] [EXT] " Akhil Goyal
2021-04-14  8:43                           ` Thomas Monjalon
2021-04-14 12:20                   ` [dpdk-dev] [PATCH v9 0/4] Enhancements to crypto adapter forward mode gakhil
2021-04-14 12:20                     ` [dpdk-dev] [PATCH v9 1/4] eventdev: introduce crypto adapter enqueue API gakhil
2021-04-14 18:04                       ` [dpdk-dev] [PATCH v10 0/4] Enhancements to crypto adapter forward mode gakhil
2021-04-14 18:04                         ` [dpdk-dev] [PATCH v10 1/4] devtools: add exception for reserved fields gakhil
2021-04-14 20:57                           ` David Marchand
2021-04-15  5:32                             ` [dpdk-dev] [EXT] " Akhil Goyal
2021-04-15  7:26                               ` David Marchand
2021-04-15  8:25                                 ` Bruce Richardson
2021-04-15  8:27                                   ` Thomas Monjalon
2021-04-15  8:31                                 ` Akhil Goyal
2021-04-15 19:56                                   ` Stephen Hemminger
2021-04-15  9:13                           ` [dpdk-dev] [PATCH v11 0/3] Enhancements to crypto adapter forward mode gakhil
2021-04-15  9:13                             ` [dpdk-dev] [PATCH v11 1/3] eventdev: introduce crypto adapter enqueue API gakhil
2021-04-17 16:54                               ` Jerin Jacob
2021-04-15  9:13                             ` [dpdk-dev] [PATCH v11 2/3] event/octeontx2: support crypto adapter forward mode gakhil
2021-04-15  9:13                             ` [dpdk-dev] [PATCH v11 3/3] test/event_crypto: use crypto adapter enqueue API gakhil
2021-04-14 18:04                         ` [dpdk-dev] [PATCH v10 2/4] eventdev: introduce " gakhil
2021-04-14 18:04                         ` [dpdk-dev] [PATCH v10 3/4] event/octeontx2: support crypto adapter forward mode gakhil
2021-04-14 18:04                         ` [dpdk-dev] [PATCH v10 4/4] test/event_crypto: use crypto adapter enqueue API gakhil
2021-04-14 12:20                     ` [dpdk-dev] [PATCH v9 2/4] event/octeontx2: support crypto adapter forward mode gakhil
2021-04-14 12:20                     ` [dpdk-dev] [PATCH v9 3/4] test/event_crypto: use crypto adapter enqueue API gakhil
2021-04-14 12:20                     ` [dpdk-dev] [PATCH v9 4/4] devtools: add exception for reserved fields gakhil
2021-04-14 12:53                       ` Thomas Monjalon
2021-04-14 14:16                         ` [dpdk-dev] [EXT] " Akhil Goyal
2021-04-14 14:22                           ` Thomas Monjalon
2021-04-14 17:56                             ` Akhil Goyal
2021-04-13 10:29                 ` [dpdk-dev] [PATCH v8 2/3] event/octeontx2: support crypto adapter forward mode Shijith Thotton
2021-04-13 10:29                 ` [dpdk-dev] [PATCH v8 3/3] test/event_crypto: use crypto adapter enqueue API Shijith Thotton
2021-04-13 19:40                   ` Jerin Jacob
2021-03-30  4:04   ` [dpdk-dev] [PATCH v1 0/2] Enhancements to crypto adapter forward mode Jerin Jacob
2021-03-30  4:57     ` Gujjar, Abhinandan S

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=DM6PR11MB3548613FB4B2E011285FF421E8759@DM6PR11MB3548.namprd11.prod.outlook.com \
    --to=abhinandan.gujjar@intel.com \
    --cc=anoobj@marvell.com \
    --cc=dev@dpdk.org \
    --cc=erik.g.carrillo@intel.com \
    --cc=g.singh@nxp.com \
    --cc=gakhil@marvell.com \
    --cc=harry.van.haaren@intel.com \
    --cc=hemant.agrawal@nxp.com \
    --cc=jay.jayatheerthan@intel.com \
    --cc=jerinj@marvell.com \
    --cc=matan@nvidia.com \
    --cc=nipun.gupta@nxp.com \
    --cc=pbhagavatula@marvell.com \
    --cc=roy.fan.zhang@intel.com \
    --cc=sachin.saxena@oss.nxp.com \
    --cc=sthotton@marvell.com \
    --cc=thomas@monjalon.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git