DPDK22.11 on CentOS 7.x testpmd: No probed ethernet devices

[Stephen Hemminger]

On Tue, 7 Mar 2023 17:44:37 +0000 (UTC)
Vikas Deolaliker <vikasd at yahoo.com> wrote:

> I am using dpdk 22.11 on CentOS 7.X on intel machine with two MLNX cards. They are recognized by DPDK by both vfio-pci and uio-generic. I compiled it using the instructions on 2. System Requirements — Data Plane Development Kit 23.03.0-rc1 documentation (dpdk.org)


Mellanox (Nvidia) devices do not use VFIO or uio-generic.
Instead, they use rdma library.

https://doc.dpdk.org/guides/nics/mlx5.html

Make sure you have right libraries and drivers (including kernel).
https://doc.dpdk.org/guides/platform/mlx5.html#mlx5-common-compilation