Hello again, in addition, I have seen that Mellanox has the Action Type Sample. This should be exactly what I am looking for, or am I misinterpreting this? Is this not supported by the hardware or is there just a lack of implementation in the driver?
best regards Dominik Kies On Thu, Feb 6, 2025 at 4:11 PM Dominik <dokib...@gmail.com> wrote: > > Hello everybody > > I am currently working on a project to implement the following use > cases with high performance. > The main workload should be offloaded to the hardware to achieve > optimal performance. > > ## Environment > > Kernel: 6.8.12 > DPDK: 24.11.1 > NIC: Intel 810 / Intel E823 > > ## Use Case / Requirements > > - Ingress packet distribution to different software endpoints (queues) > - Utilization of hardware timestamp offloading > - A single packet in multiple queues > - Implementation of filters in hardware > > > ### Examples: > > 1) > RX -> Queue-01 [TCP only] > -> Queue-02 [UDP only] > > 2) > RX -> Queue-01 [all packets] > -> Queue-02 [TCP only] > -> Queue-03 [src.mac == xx.xx…] > 2) > RX -> Queue-01 [all packets] > -> Queue-02 [TCP only] > -> Queue-03 [src.mac == xx.xx…] > -> Queue-04 [vlanid == ##] > > 3) > RX -> Queue-01 [all packets] > -> Queue-02 [TCP && vlanid == ##] > > ## Ideas / Notes/ Issues > > - Filtering by desired parameters with rte-flow tested > - Using the desired queue is also functional > - Many combinations have been tested successfully > - A packet in multiple queues > - Issue: > - DPDK does not allow multiple destinations in rte-flow > - Thus, no throughput, packet duplication > - Idea: > - HW port mirroring to a virtual port and using this port for > further operations > - Code in the ice driver partially prepared ?! > > > ## Questions > > 1) Is this approach feasible with E810/E823 hardware (regardless of > current software implementations)? > > 2) If yes, would port mirroring be a suitable method, or is there a > better approach for this use case? > 2a) With the current implementation > 2b) With potential adjustments/extensions > > 3) In the case of port mirroring: > 3a) Is the hardware timestamp preserved? > 3b) Can additional filters be applied on the VF? > > > Best regards, > Dominik
