On 2/13/2024 3:45 PM, Ferruh Yigit wrote: > On 2/13/2024 2:16 PM, Ori Kam wrote: >> During encapsulation of a packet, it is possible to change some >> outer headers to improve flow destribution. >> For example, from VXLAN RFC: >> "It is recommended that the UDP source port number >> be calculated using a hash of fields from the inner packet -- >> one example being a hash of the inner Ethernet frame's headers. >> This is to enable a level of entropy for the ECMP/load-balancing" >> >> The tunnel protocol defines which outer field should hold this hash, >> but it doesn't define the hash calculation algorithm. >> >> An application that uses flow offloads gets the first few packets >> (exception path) and then decides to offload the flow. >> As a result, there are two >> different paths that a packet from a given flow may take. >> SW for the first few packets or HW for the rest. >> When the packet goes through the SW, the SW encapsulates the packet >> and must use the same hash calculation as the HW will do for >> the rest of the packets in this flow. >> >> the new function rte_flow_calc_encap_hash can query the hash value >> from the driver for a given packet as if the packet was passed >> through the HW. >> >> Signed-off-by: Ori Kam <or...@nvidia.com> >> Acked-by: Dariusz Sosnowski <dsosnow...@nvidia.com> >> > > Acked-by: Ferruh Yigit <ferruh.yi...@amd.com> >
Series applied to dpdk-next-net/main, thanks.
