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Fri, 06 Jun 2025 13:31:09 -0700 (PDT)
Date: Fri, 6 Jun 2025 13:31:05 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Nishant Verma <vnish11@gmail.com>
Cc: Aniket singh <aniketsingh84646@gmail.com>, users@dpdk.org,
navaneetyvn.211cs234@nitk.edu.in
Subject: Re: Seeking help to configure DPDK 22 on Ubuntu 22.04.1 - "No
probed ethernet devices"
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On Fri, 6 Jun 2025 12:52:28 -0400
Nishant Verma <vnish11@gmail.com> wrote:
> If your NIC is not part of this, then yes it's NOT SUPPORTED officially.
>=20
> https://core.dpdk.org/supported/
>=20
>=20
> Regards,
> Nishant
>=20
>=20
> On Fri, Jun 6, 2025 at 12:27=E2=80=AFPM Aniket singh <aniketsingh84646@gm=
ail.com>
> wrote:
>=20
> > Hi Stephen,
> >
> > I did rebind the NIC's to vfio-pci using the
> > dpdk-devbind.py script.
> >
> > Does that mean both the NICs (I219-LM and I1210) are not supported by D=
PDK?
> >
> > Thanks,
> > Aniket Singh
> >
> > On Fri, 6 Jun 2025 at 2:55=E2=80=AFAM, Stephen Hemminger < =20
> > stephen@networkplumber.org> wrote: =20
> > =20
> >> On Thu, 5 Jun 2025 23:23:39 +0530
> >> Aniket singh <aniketsingh84646@gmail.com> wrote:
> >> =20
> >> > Hi Everyone,
> >> >
> >> > I'm trying to configure DPDK 22 on Ubuntu 22.04.3 LTS and I'm facing=
an
> >> > issue when running the testpmd application.
> >> >
> >> > Whenever I execute:
> >> >
> >> > sudo ./dpdk-testpmd
> >> >
> >> > I get the following error:
> >> >
> >> > testpmd: No probed ethernet devices
> >> >
> >> > I've followed the setup steps from the DPDK documentation, including
> >> > hugepages allocation and binding NICs with vfio-pci, but still =20
> >> encountering =20
> >> > the same issue.
> >> >
> >> > Could someone please help point out what might be missing or guide m=
e on
> >> > how to properly configure DPDK on this version of Ubuntu?
> >> >
> >> > I have tried on both these NICs:
> >> > 0000:00:1f.6 Ethernet controller: Intel Corporation Ethernet Connect=
ion
> >> > (17) I219-LM (rev 11)
> >> > 0000:01:00.0 Ethernet controller: Intel Corporation I210 Gigabit Net=
work
> >> > Connection (rev 03)
> >> > =20
> >>
> >> You have to rebind the NIC's to vfio-pci to allow use by DPDK.
> >> Did you look at dpdk-devbind.py script?
> >>
> >> Also, some of the on board Ethernet controllers are not yet supported
> >> by DPDK. They fall under the igb driver, but the PCI id's are not list=
ed.
> >> Needs backport from BSD or Linux driver for that.
> >>
> >> =20
Use lspci to find the PCI id vendor then look at the source is the
definitive answer.
$ sudo ethtool -i enp87s0
...
bus-info: 0000:57:00.0
$ lspci -s 0000:57:00 -n
57:00.0 0200: 8086:125c (rev 04)
drivers/net $ git grep 125C
intel/e1000/base/e1000_hw.h:#define E1000_DEV_ID_I226_V 0x1=
25C
$ git grep ID_I226_V
intel/e1000/base/e1000_api.c: case E1000_DEV_ID_I226_V:
intel/e1000/base/e1000_hw.h:#define E1000_DEV_ID_I226_V 0x1=
25C
intel/e1000/igc_ethdev.c: { RTE_PCI_DEVICE(IGC_INTEL_VENDOR_ID, E1000=
_DEV_ID_I226_V) }, <<< yes