[dpdk-users] only one vdev net_af_xdp being recognized

[Jags N]

Hi Xiaolong,

Thanks much !  That works.

I am now facing - xsk_configure(): Failed to create xsk socket.

Port 0 is fine, Port 1 is showing the problem.

I am checking "tools/lib/bpf/xsk.c:xsk_socket__create()" further on this.
Meanwhile just asking if any obvious reasons, if I am missing anything ?

[root at localhost app]# ./testpmd -c 0x3 -n 4 --vdev
 net_af_xdp0,iface=enp0s9 --vdev net_af_xdp1,iface=enp0s10 --iova-mode=va
EAL: Detected 3 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Debug dataplane logs available - lower performance
EAL: Probing VFIO support...
EAL: WARNING: cpu flags constant_tsc=no nonstop_tsc=no -> using unreliable
clock cycles !
EAL: PCI device 0000:00:03.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 8086:100e net_e1000_em
EAL: PCI device 0000:00:08.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 8086:100e net_e1000_em
EAL: PCI device 0000:00:09.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 8086:100f net_e1000_em
EAL: PCI device 0000:00:0a.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 8086:100f net_e1000_em
testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=155456, size=2176,
socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Configuring Port 0 (socket 0)
Port 0: 08:00:27:68:5B:66
Configuring Port 1 (socket 0)
xsk_configure(): Failed to create xsk socket.
eth_rx_queue_setup(): Failed to configure xdp socket
Fail to configure port 1 rx queues
EAL: Error - exiting with code: 1
  Cause: Start ports failed
[root at localhost app]#

Regards,
Jags

On Wed, Jul 10, 2019 at 7:47 AM Ye Xiaolong <xiaolong.ye at intel.com> wrote:

> Hi,
>
> On 07/10, Jags N wrote:
> >Hi,
> >
> >Continuing on my previous email,
> >
> >https://doc.dpdk.org/guides/rel_notes/release_19_08.html  release not
> says
> >- Added multi-queue support to allow one af_xdp vdev with multiple netdev
> >queues
> >
> >Does it in anyway imply only one af_xdp vdev is supported as of now, and
> >more than one af_xdp vdev may not be recognized ?
>
> Multiple af_xdp vdevs are supported.
>
> >
> >Regards,
> >Jags
> >
> >On Mon, Jul 8, 2019 at 4:48 PM Jags N <jagsnn at gmail.com> wrote:
> >
> >> Hi,
> >>
> >> I am trying to understand net_af_xdp, and find that dpdk is recognizing
> >> only one vdev net_af_xdp, hence only one port (port 0) is getting
> >> configured. Requesting help to know if I am missing any information on
> >> net_af_xdp support in dpdk, or if I have provided the EAL parameters
> wrong.
> >> Kindly advice.
> >>
> >> I am running Fedora 30.1-2 as Guest VM on Virtual Box VM Manager with
> >> Linux Kernel 5.1.0, and dpdk-19.05. The interfaces are emulated ones
> >> mentioned below,
> >>
> >> lspci output ...
> >> 00:09.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet
> >> Controller (Copper) (rev 02)
> >> 00:0a.0 Ethernet controller: Intel Corporation 82545EM Gigabit Ethernet
> >> Controller (Copper) (rev 02)
> >>
> >> DPDK testpmd is executed as mentioned below,
> >>
> >> [root at localhost app]# ./testpmd -c 0x3 -n 4 --vdev
> >> net_af_xdp,iface=enp0s9  --vdev net_af_xdp,iface=enp0s10 --iova-mode=va
> --
> >> --portmask=0x3
>
> Here you need to use
>
> --vdev net_af_xdp0,iface=enp0s9 --vdev net_af_xdp1,iface=enp0s10
>
> Thanks,
> Xiaolong
>
> >> EAL: Detected 3 lcore(s)
> >> EAL: Detected 1 NUMA nodes
> >> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
> >> EAL: Probing VFIO support...
> >> EAL: WARNING: cpu flags constant_tsc=no nonstop_tsc=no -> using
> unreliable
> >> clock cycles !
> >> EAL: PCI device 0000:00:03.0 on NUMA socket -1
> >> EAL:   Invalid NUMA socket, default to 0
> >> EAL:   probe driver: 8086:100e net_e1000_em
> >> EAL: PCI device 0000:00:08.0 on NUMA socket -1
> >> EAL:   Invalid NUMA socket, default to 0
> >> EAL:   probe driver: 8086:100e net_e1000_em
> >> EAL: PCI device 0000:00:09.0 on NUMA socket -1
> >> EAL:   Invalid NUMA socket, default to 0
> >> EAL:   probe driver: 8086:100f net_e1000_em
> >> EAL: PCI device 0000:00:0a.0 on NUMA socket -1
> >> EAL:   Invalid NUMA socket, default to 0
> >> EAL:   probe driver: 8086:100f net_e1000_em
> >> testpmd: create a new mbuf pool <mbuf_pool_socket_0>: n=155456,
> size=2176,
> >> socket=0
> >> testpmd: preferred mempool ops selected: ring_mp_mc
> >>
> >> Warning! port-topology=paired and odd forward ports number, the last
> port
> >> will pair with itself.
> >>
> >> Configuring Port 0 (socket 0)
> >> Port 0: 08:00:27:68:5B:66
> >> Checking link statuses...
> >> Done
> >> No commandline core given, start packet forwarding
> >> io packet forwarding - ports=1 - cores=1 - streams=1 - NUMA support
> >> enabled, MP allocation mode: native
> >> Logical Core 1 (socket 0) forwards packets on 1 streams:
> >>   RX P=0/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00
> >>
> >>   io packet forwarding packets/burst=32
> >>   nb forwarding cores=1 - nb forwarding ports=1
> >>   port 0: RX queue number: 1 Tx queue number: 1
> >>     Rx offloads=0x0 Tx offloads=0x0
> >>     RX queue: 0
> >>       RX desc=0 - RX free threshold=0
> >>       RX threshold registers: pthresh=0 hthresh=0  wthresh=0
> >>       RX Offloads=0x0
> >>     TX queue: 0
> >>       TX desc=0 - TX free threshold=0
> >>       TX threshold registers: pthresh=0 hthresh=0  wthresh=0
> >>       TX offloads=0x0 - TX RS bit threshold=0
> >> Press enter to exit
> >>
> >> Telling cores to stop...
> >> Waiting for lcores to finish...
> >>
> >>   ---------------------- Forward statistics for port 0
> >>  ----------------------
> >>   RX-packets: 0              RX-dropped: 0             RX-total: 0
> >>   TX-packets: 0              TX-dropped: 0             TX-total: 0
> >>
> >>
> ----------------------------------------------------------------------------
> >>
> >>   +++++++++++++++ Accumulated forward statistics for all
> >> ports+++++++++++++++
> >>   RX-packets: 0              RX-dropped: 0             RX-total: 0
> >>   TX-packets: 0              TX-dropped: 0             TX-total: 0
> >>
> >>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>
> >> Done.
> >>
> >> Stopping port 0...
> >> Stopping ports...
> >> Done
> >>
> >> Shutting down port 0...
> >> Closing ports...
> >> Done
> >>
> >> Bye...
> >>
> >> Regards,
> >> Jags
> >>
> >>
>