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
