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boundary="_000_CO6PR12MB539627757F099BD00B5DBD37C13FACO6PR12MB5396namp_" MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR12MB5396.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: ef236032-9d34-4d73-5cf6-08db89e34a08 X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Jul 2023 12:09:09.5452 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: n8hlMVbP3wd3jPyYoznYCLrd4gSKaBMRDtFbxcET2Jc4tT4pZKPXpPleKnkPLmdXniccx++mo9aCnMGp6WZHSA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7292 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org --_000_CO6PR12MB539627757F099BD00B5DBD37C13FACO6PR12MB5396namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Sure, in fact I also find throughput testing with decryption and in-place-m= ode will override the cipher data in the single mbuf as well. So I assume o= ut-of-place mode is valid in that case. I will try to deliver some patches when have effort. Thank you! From: Akhil Goyal Sent: Friday, July 21, 2023 8:04 PM To: Suanming Mou ; ciara.power@intel.com Cc: dev@dpdk.org Subject: RE: crypto decryption support in test-crypto-perf pmd-cycle-count = test Yes, for auth cases, the PMD may give errors. However, cipher only cases wo= uld work without issues. You can send a patch to fix this. But make sure not to add that inside the = time keeping loop. From: Suanming Mou > Sent: Friday, July 21, 2023 5:23 PM To: Akhil Goyal >; ciara.powe= r@intel.com Cc: dev@dpdk.org Subject: [EXT] RE: crypto decryption support in test-crypto-perf pmd-cycle-= count test External Email ________________________________ Thanks Akhil. Yes, I see. But for decryption, we should prepare the correct cipher data, right? Or th= at test does not make any sense. I assume decryption with incorrect data will cause PMD reject work properly= . From: Akhil Goyal > Sent: Friday, July 21, 2023 7:49 PM To: Suanming Mou >; ciara= .power@intel.com Cc: dev@dpdk.org Subject: RE: crypto decryption support in test-crypto-perf pmd-cycle-count = test Hi Suanming, The pmd-cycle-count mode is for counting the cycles for enqueue and dequeue= . It does not matter what is the content of the packet, as we are not validat= ing the content after dequeue of the packet. PMD/Hw will assume it as plain/encrypted paylo= ad and will process it as per the session attached. Hence, doing memcpy to mbuf is not required. Regards, Akhil From: Suanming Mou > Sent: Friday, July 21, 2023 4:06 PM To: ciara.power@intel.com; Akhil Goyal > Cc: dev@dpdk.org Subject: [EXT] crypto decryption support in test-crypto-perf pmd-cycle-coun= t test External Email ________________________________ Hi Guys, Sorry for the inconvenience. I have one small question with pmd-cycle-count test in test-crypto-perf app= lication. As in pmd-cycle-count run code, I don't see the cperf_mbuf_set() function i= s called to fill the test data. So for decryption, I assume it will always fails. Feel like pmd-cycle-count= test does not expect to support decryption. Or is it a bug? I have no idea with the application design background, is it expected? Thanks, Suanming Mou --_000_CO6PR12MB539627757F099BD00B5DBD37C13FACO6PR12MB5396namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Sure, in fact I also find throughput testing with de= cryption and in-place-mode will override the cipher data in the single mbuf= as well. So I assume out-of-place mode is valid in that case.

I will try to deliver some patches when have effort.=  Thank you!

 

From: Akhil Goyal <gakhil@marvell.com>= ;
Sent: Friday, July 21, 2023 8:04 PM
To: Suanming Mou <suanmingm@nvidia.com>; ciara.power@intel.com=
Cc: dev@dpdk.org
Subject: RE: crypto decryption support in test-crypto-perf pmd-cycle= -count test

 

Yes, for auth cases, the PMD may give errors. Howeve= r, cipher only cases would work without issues.

You can send a patch to fix this. But make sure not = to add that inside the time keeping loop.

 

From: Suanming Mou <suanmingm@nvidia.com>
Sent: Friday, July 21, 2023 5:23 PM
To: Akhil Goyal <gakhil@mar= vell.com>; ciara.power@intel.com
Cc: dev@dpdk.org
Subject: [EXT] RE: crypto decryption support in test-crypto-perf pmd= -cycle-count test

 

External Email

Thanks Akhil.

Yes, I see.

But for decryption, we should prepare the correct ci= pher data, right? Or that test does not make any sense.

I assume decryption with incorrect data will cause P= MD reject work properly.

 

From: Akhil Goyal <gakhil@marvell.com>
Sent: Friday, July 21, 2023 7:49 PM
To: Suanming Mou <suanmin= gm@nvidia.com>; ciara.power@intel.com
Cc: dev@dpdk.org
Subject: RE: crypto decryption support in test-crypto-perf pmd-cycle= -count test

 

Hi Suanming,

 

The pmd-cycle-count mode is for counting the cycles = for enqueue and dequeue.

It does not matter what is the content of the packet= , as we are not validating the content

after dequeue of the packet. PMD/Hw will assume it a= s plain/encrypted payload and

will process it as per the session attached.

Hence, doing memcpy to mbuf is not required.

 

Regards,

Akhil

 

From: Suanming Mou <suanmingm@nvidia.com>
Sent: Friday, July 21, 2023 4:06 PM
To: ciara.power@intel.com; Akhil Goyal <gakhil@marvell.co= m>
Cc: dev@dpdk.org
Subject: [EXT] crypto decryption support in test-crypto-perf pmd-cyc= le-count test

 

External Email

Hi Guys,

 

Sorry for the inconvenience.

I have one small question with pmd-cycle-count test = in test-crypto-perf application.

As in pmd-cycle-count run code, I don’t see th= e cperf_mbuf_set() function is called to fill the test data.

So for decryption, I assume it will always fails. Fe= el like pmd-cycle-count test does not expect to support decryption. Or is i= t a bug?

 

I have no idea with the application design backgroun= d, is it expected?

 

Thanks,

Suanming Mou

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