Hi Damjan,

I am running Ubuntu 18.04 LTS with kernel 4.15.0-118-generic


See below dmesg output.

jmoore@test:~$ dmesg | grep 0000:03:00.0
[    0.223459] pci 0000:03:00.0: [15ad:07b0] type 00 class 0x020000
[    0.225126] pci 0000:03:00.0: reg 0x10: [mem 0xfd4fc000-0xfd4fcfff]
[    0.227304] pci 0000:03:00.0: reg 0x14: [mem 0xfd4fd000-0xfd4fdfff]
[    0.229121] pci 0000:03:00.0: reg 0x18: [mem 0xfd4fe000-0xfd4fffff]
[    0.231298] pci 0000:03:00.0: reg 0x1c: [io  0x4000-0x400f]
[    0.237119] pci 0000:03:00.0: reg 0x30: [mem 0x00000000-0x0000ffff pref]
[    0.237550] pci 0000:03:00.0: supports D1 D2
[    0.237551] pci 0000:03:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[    0.237774] pci 0000:03:00.0: disabling ASPM on pre-1.1 PCIe device.
You can enable it with 'pcie_aspm=force'
[    0.353290] pci 0000:03:00.0: BAR 6: assigned [mem 0xfd400000-0xfd40ffff
pref]
[    1.179463] iommu: Adding device 0000:03:00.0 to group 6
[    2.108455] vmxnet3 0000:03:00.0: # of Tx queues : 8, # of Rx queues : 8
[    2.110321] vmxnet3 0000:03:00.0 eth0: NIC Link is Up 10000 Mbps
[    2.471328] vmxnet3 0000:03:00.0 ens160: renamed from eth0



On Mon, Sep 28, 2020 at 1:02 PM Damjan Marion <dmar...@me.com> wrote:

>
> What message do you see in dmesg? What is the kernel version?
>
> On 28.09.2020., at 19:47, Joshua Moore <j...@jcm.me> wrote:
>
> Sorry, I'm still hitting an issue where I cannot create the interface in
> VPP:
>
> vpp# create interface avf 0000:13:00.0
> create interface avf: device not bound to 'vfio-pci' or 'uio_pci_generic'
> kernel module
>
>
>
> So I tried to bind the NIC to vfio-pci:
>
> root@test:~# modprobe vfio-pci
> root@test:~# /usr/local/vpp/vpp-config/scripts/dpdk-devbind.py -s
>
> Network devices using DPDK-compatible driver
> ============================================
> <none>
>
> Network devices using kernel driver
> ===================================
> 0000:13:00.0 'Ethernet Virtual Function 700 Series' if=ens224 drv=i40evf
> unused=
>
> root@test:~# /usr/local/vpp/vpp-config/scripts/dpdk-devbind.py --bind
> vfio-pci 13:00.0
> Error - no supported modules(DPDK driver) are loaded
>
>
>
> Thoughts?
>
> On Mon, Sep 28, 2020 at 11:43 AM Benoit Ganne (bganne) <bga...@cisco.com>
> wrote:
>
>> Hi Johsua,
>>
>> Your understanding is correct, however you do not need to setup the VFs
>> if it is already correctly setup by ESXI.
>> Just create the AVF interface directly by specifying the VF PCI address.
>>
>> ben
>>
>> > -----Original Message-----
>> > From: Joshua Moore <j...@jcm.me>
>> > Sent: lundi 28 septembre 2020 17:48
>> > To: Benoit Ganne (bganne) <bga...@cisco.com>
>> > Cc: vpp-dev@lists.fd.io
>> > Subject: Re: [vpp-dev] VPP on ESXI with i40evf (SR-IOV Passthrough)
>> Driver
>> >
>> > Hello Benoit,
>> >
>> > Looking at the script for AVF, it states:
>> >
>> > # Setup one VF on PF 0000:3b:00.0 and assign MAC address
>> > setup 0000:3b:00.0 00:11:22:33:44:00
>> > # Setup one VF on PF 0000:3b:00.1 and assign MAC address
>> > setup 0000:3b:00.1 00:11:22:33:44:01
>> >
>> > This seems to assume the entire PF NIC is exposed to the VM and the VM
>> is
>> > responsible for owning the configuration of the WHOLE PF to setup the
>> VF.
>> > This also makes sense to me considering that the script is looking for
>> > i40en driver (physical) and not i40evf driver (virtual). My
>> understanding
>> > is that this will not work with my ESXI setup as ESXI owns the
>> > configuration of the PF (physical NIC) and is assigning the VFs from the
>> > NIC end is exposing just the VF to the VM.
>> >
>> > Does this make sense or am I misunderstanding something?
>> >
>> > If so, then how can the AVF plugin/driver consume just the VF NIC
>> already
>> > assigned to the VM and not try to setup a new VF?
>> >
>> >
>> > Thanks!
>> >
>> > -Josh
>> >
>> > On Mon, Sep 28, 2020 at 2:40 AM Benoit Ganne (bganne) <bga...@cisco.com
>> > <mailto:bga...@cisco.com> > wrote:
>> >
>> >
>> >       Hi,
>> >
>> >       It should work with AVF as it is using VFs, not PF, see
>> > https://docs.fd.io/vpp/21.01/d1/def/avf_plugin_doc.html
>> >       You should bind the VF with vfio-pci 1st though, so that it is
>> > usable by userspace drivers such as VPP AVF plugin.
>> >       If your system crashes when doing so it is a bug with your system.
>> >
>> >       Best
>> >       ben
>> >
>> >       > -----Original Message-----
>> >       > From: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>  <vpp-
>> > d...@lists.fd.io <mailto:vpp-dev@lists.fd.io> > On Behalf Of j...@jcm.me
>> > <mailto:j...@jcm.me>
>> >       > Sent: lundi 28 septembre 2020 01:29
>> >       > To: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>
>> >       > Subject: [vpp-dev] VPP on ESXI with i40evf (SR-IOV Passthrough)
>> > Driver
>> >       >
>> >       > Hello,
>> >       >
>> >       > Is there any support for VPP to talk directly to ESXI-assigned
>> VFs
>> > via SR-
>> >       > IOV? I saw the AVF plugin but I don't want VPP to control the
>> > whole PF
>> >       > (physical NIC) but rather would like to have ESXI control the
>> > mapping of
>> >       > VFs (SR-IOV) and VPP (or DPDK) consume the VF natively in the VM
>> > so that I
>> >       > can run multiple VMs on the same physical NIC while benefiting
>> > from
>> >       > bypassing the vSwitch in ESXI. Right now I'm running VPP on a
>> > Ubuntu 18.04
>> >       > VM and I see the SR-IOV NIC as an i40evf driver.
>> >       >
>> >       > I tried binding the SR-IOV NIC to the vfio driver but this
>> causes
>> > the CPU
>> >       > of the VM to skyrocket and crash. I don't think using vfio is
>> the
>> > right
>> >       > approach and feel like the solution here is really simple. Any
>> >       > suggestions?
>> >
>>
>>
> 
>
>
>
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