* [dpdk-dev] Offloading L4 checksum to crypto device @ 2019-12-23 14:27 Heng Wang 2020-02-05 17:22 ` Trahe, Fiona 0 siblings, 1 reply; 4+ messages in thread From: Heng Wang @ 2019-12-23 14:27 UTC (permalink / raw) To: declan.doherty; +Cc: Filip Pudak, dev 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 ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] Offloading L4 checksum to crypto device 2019-12-23 14:27 [dpdk-dev] Offloading L4 checksum to crypto device Heng Wang @ 2020-02-05 17:22 ` Trahe, Fiona 2020-02-06 8:02 ` Heng Wang 0 siblings, 1 reply; 4+ messages in thread From: Trahe, Fiona @ 2020-02-05 17:22 UTC (permalink / raw) To: Heng Wang, Doherty, Declan; +Cc: Filip Pudak, dev, Trahe, Fiona, Coyle, David 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 ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] Offloading L4 checksum to crypto device 2020-02-05 17:22 ` Trahe, Fiona @ 2020-02-06 8:02 ` Heng Wang 2020-02-10 2:01 ` Trahe, Fiona 0 siblings, 1 reply; 4+ messages in thread From: Heng Wang @ 2020-02-06 8:02 UTC (permalink / raw) To: Trahe, Fiona, Doherty, Declan; +Cc: Filip Pudak, dev, Coyle, David 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 ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-dev] Offloading L4 checksum to crypto device 2020-02-06 8:02 ` Heng Wang @ 2020-02-10 2:01 ` Trahe, Fiona 0 siblings, 0 replies; 4+ messages in thread From: Trahe, Fiona @ 2020-02-10 2:01 UTC (permalink / raw) To: Heng Wang, Doherty, Declan; +Cc: Filip Pudak, dev, Coyle, David Right now it's just an RFC. If you want to influence it you can take part in that discussion. Or in development of a sample app to do what you propose. > -----Original Message----- > From: Heng Wang <heng.wang@ericsson.com> > Sent: Thursday, February 6, 2020 8:03 AM > To: Trahe, Fiona <fiona.trahe@intel.com>; Doherty, Declan <declan.doherty@intel.com> > Cc: Filip Pudak <filip.pudak@ericsson.com>; dev@dpdk.org; Coyle, David <david.coyle@intel.com> > Subject: RE: Offloading L4 checksum to crypto device > > 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 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-02-10 2:01 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-12-23 14:27 [dpdk-dev] Offloading L4 checksum to crypto device Heng Wang 2020-02-05 17:22 ` Trahe, Fiona 2020-02-06 8:02 ` Heng Wang 2020-02-10 2:01 ` Trahe, Fiona
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