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From: "Gujjar, Abhinandan S" <abhinandan.gujjar@intel.com>
To: Akhil Goyal <akhil.goyal@nxp.com>, "dev@dpdk.org" <dev@dpdk.org>,
	"Doherty, Declan" <declan.doherty@intel.com>,
	"Honnappa.Nagarahalli@arm.com" <Honnappa.Nagarahalli@arm.com>,
	"Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"techboard@dpdk.org" <techboard@dpdk.org>
Cc: "Vangati, Narender" <narender.vangati@intel.com>,
	"jerinj@marvell.com" <jerinj@marvell.com>
Subject: Re: [dpdk-dev] [v4 1/3] cryptodev: support enqueue callback functions
Date: Wed, 28 Oct 2020 08:20:58 +0000
Message-ID: <MWHPR11MB183848DD6382173DB9A6D336E8170@MWHPR11MB1838.namprd11.prod.outlook.com> (raw)
In-Reply-To: <VI1PR04MB316870382D363FB586674195E6160@VI1PR04MB3168.eurprd04.prod.outlook.com>

Hi Tech board members,

Could you please clarify the concern?
The latest patch (https://patches.dpdk.org/patch/82536/) supports both enqueue and dequeue callback functionality.

Thanks
Abhinandan

> -----Original Message-----
> From: Akhil Goyal <akhil.goyal@nxp.com>
> Sent: Tuesday, October 27, 2020 11:59 PM
> To: Gujjar, Abhinandan S <abhinandan.gujjar@intel.com>; dev@dpdk.org;
> Doherty, Declan <declan.doherty@intel.com>;
> Honnappa.Nagarahalli@arm.com; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>; techboard@dpdk.org
> Cc: Vangati, Narender <narender.vangati@intel.com>; jerinj@marvell.com
> Subject: RE: [v4 1/3] cryptodev: support enqueue callback functions
> 
> Hi Tech board members,
> 
> I have a doubt about the ABI breakage in below addition of field.
> Could you please comment.
> 
> >  /** The data structure associated with each crypto device. */  struct
> > rte_cryptodev {
> >  	dequeue_pkt_burst_t dequeue_burst;
> > @@ -867,6 +922,10 @@ struct rte_cryptodev {
> >  	__extension__
> >  	uint8_t attached : 1;
> >  	/**< Flag indicating the device is attached */
> > +
> > +	struct rte_cryptodev_enq_cb_rcu *enq_cbs;
> > +	/**< User application callback for pre enqueue processing */
> > +
> >  } __rte_cache_aligned;
> 
> Here rte_cryptodevs is defined in stable API list in map file which is a pointer
> To all rte_cryptodev and the above change is changing the size of the structure.
> IMO, it seems an ABI breakage, but not sure. So wanted to double check.
> Now if it is an ABI breakage, then can we allow it? There was no deprecation
> notice Prior to this release.
> 
> Also I think if we are allowing the above change, then we should also add
> another Field for deq_cbs also for post crypto processing in this patch only.
> 
> Regards,
> Akhil


  reply	other threads:[~2020-10-28  8:21 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-25  9:44 [dpdk-dev] [v4 0/3] support enqueue callbacks on cryptodev Abhinandan Gujjar
2020-10-25  9:44 ` [dpdk-dev] [v4 1/3] cryptodev: support enqueue callback functions Abhinandan Gujjar
2020-10-27 12:47   ` Ananyev, Konstantin
2020-10-27 17:16     ` Gujjar, Abhinandan S
2020-10-27 17:20       ` Ananyev, Konstantin
2020-10-27 17:22         ` Gujjar, Abhinandan S
2020-10-27 18:19   ` Akhil Goyal
2020-10-27 19:16     ` Gujjar, Abhinandan S
2020-10-27 19:26       ` Akhil Goyal
2020-10-27 19:41         ` Gujjar, Abhinandan S
2020-10-27 18:28   ` Akhil Goyal
2020-10-28  8:20     ` Gujjar, Abhinandan S [this message]
2020-10-28 12:55       ` Ananyev, Konstantin
2020-10-28 14:28         ` Akhil Goyal
2020-10-28 14:52           ` Ananyev, Konstantin
2020-10-28 15:11           ` [dpdk-dev] [dpdk-techboard] " Bruce Richardson
2020-10-28 15:22             ` Honnappa Nagarahalli
2020-10-29 13:52               ` Gujjar, Abhinandan S
2020-10-29 14:00                 ` Akhil Goyal
2020-10-30  4:24                   ` Gujjar, Abhinandan S
2020-10-30 17:18                     ` Gujjar, Abhinandan S
2020-10-29 14:26               ` Kinsella, Ray
2020-10-25  9:44 ` [dpdk-dev] [v4 2/3] test: add testcase for crypto enqueue callback Abhinandan Gujjar
2020-10-25  9:44 ` [dpdk-dev] [v4 3/3] doc: add enqueue callback APIs Abhinandan Gujjar
2020-10-26 19:08   ` Akhil Goyal
2020-10-27  3:52     ` Gujjar, Abhinandan S
2020-10-27 12:51   ` Ananyev, Konstantin
2020-10-27 17:17     ` Gujjar, Abhinandan S

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