09/12/2020 17:03, Alessandro Pagani: > 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: [...] > 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 [...] > 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 think it means your device does not support this feature. But I realize it is not documented here: http://doc.dpdk.org/guides/nics/mlx5.html#supported-hardware-offloads
