Hello Alessandro, As you can see from the documentation - http://doc.dpdk.org/guides/nics/mlx5.html#supported-hardware-offloads The feature is supported starting ConnectX-6 Dx, and it's not supported for ConnectX-4Lx as you tried.
Regards, Asaf Penso >-----Original Message----- >From: users <[email protected]> On Behalf Of Alessandro Pagani >Sent: Wednesday, December 9, 2020 6:03 PM >To: [email protected] >Subject: [dpdk-users] DPDK 20.11 MLX5 testpmd tx_pp 'WQE index ignore >feature is required for packet pacing' > >Hi all, > >I am trying to run dpdk testpmd with Mellanox ConnectX4 Lx (mlx5 driver). > >I am specifying the tx_pp parameter to provide the packet send scheduling on >mbuf timestamps, but the testpmd fails with the following error: > ># ./dpdk-testpmd -l 8-15 -n 4 -a 3b:00.0,tx_pp=500 -- --flow-isolate-all -i >EAL: Detected 36 lcore(s) >EAL: Detected 2 NUMA nodes >EAL: Multi-process socket /var/run/dpdk/rte/mp_socket >EAL: Selected IOVA mode 'PA' >EAL: No available hugepages reported in hugepages-1048576kB >EAL: Probing VFIO support... >EAL: VFIO support initialized >EAL: Probe PCI driver: mlx5_pci (15b3:1015) device: 0000:3b:00.0 (socket 0) >mlx5_pci: No available register for Sampler. >mlx5_pci: WQE index ignore feature is required for packet pacing >mlx5_pci: probe of PCI device 0000:3b:00.0 aborted after encountering an >error: No such device >common_mlx5: Failed to load driver = mlx5_pci. > >EAL: Requested device 0000:3b:00.0 cannot be used >EAL: Bus (pci) probe failed. >EAL: No legacy callbacks, legacy socket not created >testpmd: No probed ethernet devices > > > >The error messages suggest that "WQE index ignore feature is required for >packet pacing". > >Anyone knows the reason of this error and how to solve it? >I know that WQE is related to RDMA (InfiniBand/RoCE) but I do not >understand how it is related to DPDK. > >Thank you. > >Best regards >Alessandro
