AMD Solarflare X4522-PLUS Ethernet Adapter ports not being recognized in vpp / dpdk

gagan tiwari gagan.tiwari at mathisys-india.com
Wed May 20 13:26:03 CEST 2026


Hi Guys,
                    Good Morning!

I am trying to set up vpp / dpdk with Solarflare card AMD Solarflare
X4522-PLUS Ethernet Adapter  on Ubuntu24.04

I have been able to bind both ports of this card to dpdk using vfio-pci
driver

 dpdk-devbind.py -s

Network devices using DPDK-compatible driver
============================================
0000:01:00.0 'Device 0c03' drv=vfio-pci unused=sfc,uio_pci_generic
0000:01:00.1 'Device 0c03' drv=vfio-pci unused=sfc,uio_pci_generic

but these aren't being reognized by vpp

 vpp[10152]: dpdk: Unsupported PCI device 0x1924:0x0c03 found at PCI
address 0000:01:00.0
 vpp[10152]: dpdk: Unsupported PCI device 0x1924:0x0c03 found at PCI
address 0000:01:00.1


 dpdk-proc-info --version
EAL: RTE Version: 'DPDK 26.07.0-rc0'


testpmd shows  sfc_efx PMD is being used

PMD: sfc_efx 0000:01:00.0 #0: running FW variant is full-feature

PMD: sfc_efx 0000:01:00.1 #1: running FW variant is full-feature

Please let me know how to fix it.

Thanks,
Gagan
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