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 <[email protected]> > Sent: Thursday, February 6, 2020 8:03 AM > To: Trahe, Fiona <[email protected]>; Doherty, Declan > <[email protected]> > Cc: Filip Pudak <[email protected]>; [email protected]; Coyle, David > <[email protected]> > 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 <[email protected]> > Sent: den 5 februari 2020 18:23 > To: Heng Wang <[email protected]>; Doherty, Declan > <[email protected]> > Cc: Filip Pudak <[email protected]>; [email protected]; Trahe, Fiona > <[email protected]>; > Coyle, David <[email protected]> > 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 <[email protected]> On Behalf Of Heng Wang > > Sent: Monday, December 23, 2019 2:28 PM > > To: Doherty, Declan <[email protected]> > > Cc: Filip Pudak <[email protected]>; [email protected] > > 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
