testpmd: no probed ethernet devices i219-v vfio-pci

[sonntex <sonntex@gmail.com>]

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Hi,

I am trying to configure dpdk on my laptop and get "no probed ethernet
devices" in dpdk-testpmd utility:

laptop :: ~ % sudo dpdk-testpmd -l 0-1 -n 4 --log-level=debug -- -i
EAL: Detected CPU lcores: 8
EAL: Detected NUMA nodes: 1
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
testpmd: No probed ethernet devices
Interactive-mode selected
testpmd: create a new mbuf pool <mb_pool_0>: n=155456, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Done
testpmd> ...

Checked that dpdk 23.07 supports this my NIC at
http://doc.dpdk.org/guides/rel_notes/release_23_07.html:

Intel Corporation Ethernet Connection (16) I219-V
Firmware version: 0.6-4
Device id (pf): 8086:1a1f
Driver version(in-tree): 5.15.113-rt64 (Ubuntu22.04.2)(e1000)

Configuration:

laptop :: ~ % pacman -Ss dpdk
extra/dpdk 23.07-1 [installed]
    A set of libraries and drivers for fast packet processing

laptop :: ~ % sudo ethtool -i enp0s31f6
driver: e1000e
version: 6.7.8-arch1-1
firmware-version: 0.6-4
expansion-rom-version:
bus-info: 0000:00:1f.6
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

laptop :: ~ % sudo modprobe vfio-pci
laptop :: ~ % sudo lsmod | grep vfio
vfio_pci               16384  0
vfio_pci_core          86016  1 vfio_pci
vfio_iommu_type1       45056  0
vfio                   73728  3 vfio_pci_core,vfio_iommu_type1,vfio_pci
iommufd               106496  1 vfio
irqbypass              12288  2 vfio_pci_core,kvm

laptop :: ~ % sudo dpdk-hugepages.py -m
laptop :: ~ % sudo dpdk-hugepages.py -p 2M --setup 1G
laptop :: ~ % sudo dpdk-hugepages.py -s
Node Pages Size Total
0    512   2Mb    1Gb
Hugepages mounted on /dev/hugepages

laptop :: ~ % sudo dpdk-devbind.py --status-dev net
Network devices using kernel driver
===================================
0000:00:14.3 'Comet Lake PCH-LP CNVi WiFi 02f0' if=wlan0 drv=iwlwifi
unused= *Active*
0000:00:1f.6 'Ethernet Connection (10) I219-V 0d4f' if=enp0s31f6 drv=e1000e
unused=

laptop :: ~ % sudo dpdk-devbind.py -b vfio-pci 0000:00:1f.6
laptop :: ~ % sudo dpdk-devbind.py --status-dev net
Network devices using DPDK-compatible driver
============================================
0000:00:1f.6 'Ethernet Connection (10) I219-V 0d4f' drv=vfio-pci
unused=e1000e
Network devices using kernel driver
===================================
0000:00:14.3 'Comet Lake PCH-LP CNVi WiFi 02f0' if=wlan0 drv=iwlwifi
unused=vfio-pci *Active

Any suggestions on what might be missing here?

Thanks!

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