This is an experiment for learning how to bind ports to DPDK.

Setup

Instantiated a simple-lan instance with 2 nodes. This all was executed in one of the nodes.

vfio-pci

  1. Followed the guide here to bind the vfio-pci kernel module. Did the following after building dpdk.
cd dpdk/usertools

./dpdk-devbind.py --status

  1. In the three node topology experiment this command outputs another line for DPDK Compatible drivers, which is absent here. It seems like vfio-pci is the issue. The python code is not able to detect the vfio-pci as a DPDK-compatible driver.

    Screenshot 2024-06-03 at 14.39.28.png

  2. Tried this

sudo ifconfig enp94s0f0 down

sudo ./dpdk-devbind.py -b vfio-pci 5e:00.0

Screenshot 2024-06-03 at 14.53.15.png

It’s a bit complex to set up vfio on CloudLab, I still don’t understand what’s the issue here. I started experimenting with igb_uio.

igb_uio

Since there were failures with vfio , we used the igb_uio driver. Next, configured the igb_uio kmods