Re: Compiling testpmd with DPDK netvsc PMD

[Nandini Rangaswamy <nandini.rangaswamy@broadcom.com>]

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Hi Stephen,
It does include the driver and has been bounded as described in the
documentation.
Regards,
Nandini

On Tue, Jun 11, 2024 at 7:35 AM Stephen Hemminger <
stephen@networkplumber.org> wrote:

> On Mon, 10 Jun 2024 09:50:42 +0200
> David Marchand <david.marchand@redhat.com> wrote:
>
> > Hello,
> >
> > On Sat, Jun 8, 2024 at 1:32 AM Nandini Rangaswamy
> > <nandini.rangaswamy@broadcom.com> wrote:
> > > Thanks for your email. I inspected meson build output and do see that
> netvsc is in the list of enabled drivers.
> > > ===============
> > > Drivers Enabled
> > > ===============
> > >
> > > common:
> > >         iavf, mlx5, qat,
> > > bus:
> > >         auxiliary, pci, vdev, vmbus,
> > > mempool:
> > >         bucket, ring, stack,
> > > dma:
> > >
> > > net:
> > >         af_packet, bond, e1000, ena, failsafe, gve, i40e, iavf,
> > >         ice, igc, ixgbe, kni, mlx5, netvsc, ring, tap,
> > >         vdev_netvsc, vhost, virtio, vmxnet3,
> >
> > Ok, so the driver seems indeed part of this build, yet it was not
> > functional at runtime?
> > Could you confirm this driver was indeed embeeded in (*statically*
> > linked) testpmd?
> > $ ./usertools/dpdk-pmdinfo.py build/app/dpdk-testpmd | grep -i vsc
> >     "name": "net_netvsc",
> >     "name": "net_vdev_netvsc",
> >
> >
> > >
> > > Also, i changed the meson.build default_library=shared from static and
> it worked.
> >
> > Mm, the fact that changing link mode fixes the issue points at a link
> issue.
> >
> > There is a bug with old pkg-config tool (<= 0.27 iirc) that does not
> > process correctly dpdk .pc (for static link).
> > It is worth checking which version of pkgconf is used in openwrt.
> >
> >
>
> Does the openwrt kernel include the uio_hv_generic driver?
> Did you bind the network device to uio_hv_generic as described in the
> documentation: https://doc.dpdk.org/guides/nics/netvsc.html
>
>

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