i think it's expected behaviour, because dpdk is a userspace implementation
and doesn't have access to kernel space.

Best regads,
Erik Ilavský

On Sun, Apr 11, 2021 at 5:00 PM Erik Ilavsky <erik.ilav...@gmail.com> wrote:

> Hi,
> after openstack installation with charms:
> App                              Version  Status   Scale  Charm
>         Store       Rev  OS      Notes
> ovn-central                      20.03.1  active       3  ovn-central
>         jujucharms    5  ubuntu
> ovn-chassis                      20.03.1  active       3  ovn-chassis
>         jujucharms   12  ubuntu
>
> with configuration:
>   ovn-chassis:
>     charm: cs:ovn-chassis
>     bindings:
>       "": *internal-space
>       ovsdb: *internal-space
>       data: *overlay-space
>     options:
>       ovn-bridge-mappings: physnet1:br-ex physnet2:br-ex physnet3:br-ex
>       bridge-interface-mappings: br-ex:bond-dpdk
>       enable-sriov: False
>       enable-hardware-offload: False
>       enable-dpdk: True
>       dpdk-bond-mappings: bond-dpdk:84:8f:69:fd:82:4f
> bond-dpdk:84:8f:69:fd:82:50 bond-dpdk:84:8f:69:fd:4d:e7
> bond-dpdk:84:8f:69:fd:4d:e8 bond-dpdk:84:8f:69:fd:86:b7
> bond-dpdk:84:8f:69:fd:86:b8
>       dpdk-bond-config: ":active-backup:off:fast"
>       dpdk-socket-cores: 2
>       dpdk-socket-memory: 1024
>
> kernel parameters, apparmor=0 selinux=0
>
> ovs-vsctl show:
> b8e6f29b-9a9c-405c-b017-f8fdf86fdc33
>     Manager "ptcp:6640:127.0.0.1"
>         is_connected: true
>     Bridge br-ex
>         fail_mode: standalone
>         datapath_type: netdev
>         Port bond-dpdk
>             Interface dpdk-819328a
>                 type: dpdk
>                 options: {dpdk-devargs="0000:02:00.3"}
>             Interface dpdk-c6aeb08
>                 type: dpdk
>                 options: {dpdk-devargs="0000:02:00.0"}
>         Port br-ex
>             Interface br-ex
>                 type: internal
>         Port patch-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f-to-br-int
>             Interface
> patch-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f-to-br-int
>                 type: patch
>                 options:
> {peer=patch-br-int-to-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f}
>     Bridge br-int
>         fail_mode: secure
>         datapath_type: netdev
>         Port patch-br-int-to-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f
>             Interface
> patch-br-int-to-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f
>                 type: patch
>                 options:
> {peer=patch-provnet-58925895-a35e-4be6-a5e9-cafbf1e53c7f-to-br-int}
>         Port ovn-hp1113-0
>             Interface ovn-hp1113-0
>                 type: geneve
>                 options: {csum="true", key=flow,
> remote_ip="172.16.180.203"}
>                 bfd_status: {diagnostic="No Diagnostic", flap_count="0",
> forwarding="false", remote_diagnostic="No Diagnostic", remote_state=down,
> state=down}
>         Port ovn-hp1111-0
>             Interface ovn-hp1111-0
>                 type: geneve
>                 options: {csum="true", key=flow,
> remote_ip="172.16.180.201"}
>                 bfd_status: {diagnostic="No Diagnostic", flap_count="0",
> forwarding="false", remote_diagnostic="No Diagnostic", remote_state=down,
> state=down}
>         Port br-int
>             Interface br-int
>                 type: internal
>     ovs_version: "2.13.1"
>
> is problem with geneve tunnels, network interface is missing ():
>
> 2021-04-11T13:12:26.681Z|00278|netdev_linux|INFO|ioctl(SIOCGIFINDEX) on
> genev_sys_6081 device failed: No such device
> 2021-04-11T13:12:26.683Z|00279|netdev_linux|INFO|ioctl(SIOCGIFINDEX) on
> genev_sys_6081 device failed: No such device
>
> #ip link show genev_sys_6081
> Device "genev_sys_6081" does not exist.
> # lsmod | grep geneve
> nothing
>
> I try to set up geneve tunnel directly with ovs and is
> working, genev_sys_6081 is created, after that BFD showed up. I tried to
> delete geneve interface, for creating it with ovn-controller, created but
> with the same result. In strace i didn't find any steps to creating
> interface. It's bug, or I didn't understand something ?
>
> Thank you for your time,
> Best regads,
> Erik Ilavský
>
>
>
>
>
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