From: Heng Wang <heng.wang@ericsson.com>
To: "Trahe, Fiona" <fiona.trahe@intel.com>,
"Doherty, Declan" <declan.doherty@intel.com>
Cc: Filip Pudak <filip.pudak@ericsson.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Coyle, David" <david.coyle@intel.com>
Subject: Re: [dpdk-dev] Offloading L4 checksum to crypto device
Date: Thu, 6 Feb 2020 08:02:53 +0000 [thread overview]
Message-ID: <AM0PR07MB5396621FF96B052EE8ABC55B9C1D0@AM0PR07MB5396.eurprd07.prod.outlook.com> (raw)
In-Reply-To: <BN6PR11MB179626E245BA2043A55F109BE4020@BN6PR11MB1796.namprd11.prod.outlook.com>
Hi Fiona,
Thanks for the info. Do you have a sample application to show how it works? It's better to have an example of chaining udp checksum with encryption/decryption. I am also wondering to which version it will merge?
Regards,
Heng
-----Original Message-----
From: Trahe, Fiona <fiona.trahe@intel.com>
Sent: den 5 februari 2020 18:23
To: Heng Wang <heng.wang@ericsson.com>; Doherty, Declan <declan.doherty@intel.com>
Cc: Filip Pudak <filip.pudak@ericsson.com>; dev@dpdk.org; Trahe, Fiona <fiona.trahe@intel.com>; Coyle, David <david.coyle@intel.com>
Subject: RE: Offloading L4 checksum to crypto device
Hi Heng,
This may be of interest for your use-case.
https://patches.dpdk.org/patch/65559/
Fiona
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Heng Wang
> Sent: Monday, December 23, 2019 2:28 PM
> To: Doherty, Declan <declan.doherty@intel.com>
> Cc: Filip Pudak <filip.pudak@ericsson.com>; dev@dpdk.org
> Subject: [dpdk-dev] Offloading L4 checksum to crypto device
>
> Hi,
> This is Heng from Ericsson. We are now developing a platform based on
> dpdk. The platform usually processes the ipsec packets encapsulating udp packets.
> You know, calculating udp checksum is always time consuming. We
> found a hardware solution where our crypto device can calculate the udp checksum during encryption.
> Unfortunately, in DPDK, I didn't find any feature flag for it. Also
> the API rte_cryptodev_configure doesn't allow us to pass any offload flag to the crypto device.
> I think this could be a common case to calculate something, like
> checksums, before encryption in crypto devices. Should we consider add
> some new feature flag and offload support in dpdk crypto device?
>
> Regards,
> Heng
next prev parent reply other threads:[~2020-02-09 19:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-23 14:27 Heng Wang
2020-02-05 17:22 ` Trahe, Fiona
2020-02-06 8:02 ` Heng Wang [this message]
2020-02-10 2:01 ` Trahe, Fiona
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