[DPDK/bnxt] Issues starting bnxt on an Arm server

[Ajit Khaparde]

On Tue, Mar 8, 2022 at 12:19 AM Thierry Herbelot
<thierry.herbelot at 6wind.com> wrote:
>
> Hello,
>
> After upgrading the firmware on the bnxt NIC, the NIC is correctly
> detected by a DPDK application with both DPDK-v20.11 and DPDK-v21.11.
Great. Thanks for the update Thierry.

>
>         Regards
>
>         Thierry
>
> On 3/4/22 01:56, Honnappa Nagarahalli wrote:
> > + Ruifeng
> >
> > <snip>
> >
> >>
> >> On Wed, Mar 2, 2022 at 9:28 AM Thierry Herbelot
> >> <thierry.herbelot at 6wind.com> wrote:
> >>>
> >>> On 3/2/22 18:26, Ajit Khaparde wrote:
> >>>> On Wed, Mar 2, 2022 at 9:16 AM Thierry Herbelot
> >>>> <thierry.herbelot at 6wind.com> wrote:
> >>>>>
> >>>>> Hello Ajit
> >>>>>
> >>>>> The card is not correctly probed by the kernel, and so the FW version is
> >>>>> not visible.
> >>>> Thanks Thierry.
> >>>> I thought it was just the PMD running into trouble.
> >>>>
> >>>> Can you give details of the ARM server?
> >>>> Make, Vendor, etc..?
> >>>
> >>> This a Huawei server:
> >>> TaiShan 200 Server (Model 2180) aarch64, 48 cores, 2.6GHz, 64GB RAM
> >>
> >> Ok. I tried this on a HUAWEI Kunpeng 920 running 4.18.0-
> >> 348.2.1.el8_5.aarch64.
> >> I can load the bnxt_en kernel driver and the DPDK PMD without issues.
> >> And I did load vfio with enable_unsafe_noiommu_mode=1 .
> >>
> >> While we are pursuing this further internally,
> >> I have added Honnappa to see if he can provide any insight.
> > There is not much information on the error.
> > Just wondering if it is possible to move the card to x86 machine and check the firmware version and upgrade the firmware version there.
> >
> >>
> >> Ajit
> >>
> >>>
> >>>          Thierry
> >>>
> >>>>
> >>>>
> >>>>>
> >>>>> I see this in the kernel dmesg:
> >>>>> bnxt_en 0000:03:00.0 (unnamed net_device) (uninitialized): Error
> >>>>> (timeout: 500015) msg {0x0 0x0} len:0
> >>>>> bnxt_en 0000:03:00.0 (unnamed net_device) (uninitialized): Firmware not
> >>>>> responding, status: 0x8ffff
> >>>>>
> >>>>> And then there are no bnxt_en netdevices.
> >>>>>
> >>>>>           Best regards
> >>>>>
> >>>>>           Thierry
> >>>>>
> >>>>>
> >>>>> On 3/2/22 18:13, Ajit Khaparde wrote:
> >>>>>> On Wed, Mar 2, 2022 at 7:13 AM Thierry Herbelot
> >>>>>> <thierry.herbelot at 6wind.com> wrote:
> >>>>>>>
> >>>>>>> Hello Ajit
> >>>>>>>
> >>>>>>> Thanks for the quick response.
> >>>>>>>
> >>>>>>> Please keep me posted when you check on your side.
> >>>>>> Can you tell what is the firmware version on the card?
> >>>>>>
> >>>>>>>
> >>>>>>>            Best regards
> >>>>>>>
> >>>>>>>            Thierry
> >>>>>>>
> >>>>>>> On 3/2/22 16:08, Ajit Khaparde wrote:
> >>>>>>>>>
> >>>>>>>>> Is this a know issue ?
> >>>>>>>> No.
> >>>>>>>> We have tried the Broadcom PMD on ARM server(s) and have been
> >>>>>>>> able to use it without any issues.
> >>>>>>>> But we can try it again and get back to you.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>
> >>>>>>>>>             Thanks
> >>>>>>>>>
> >>>>>>>>>             Thierry Herbelot
> >>>>>>>>>
> >>>>>>>>> PS: a similar error is seen for the Ethernet ports, when handled by the
> >>>>>>>>> kernel:
> >>>>>>>>> dmesg|grep bnxt
> >>>>>>>>> [   57.823746] bnxt_en 0000:03:00.0 (unnamed net_device)
> >>>>>>>>> (uninitialized): Error (timeout: 500015) msg {0x0 0x0} len:0
> >>>>>>>>> [   59.202255] bnxt_en: probe of 0000:03:00.0 failed with error -16
> >>>>>>>>> [   60.641519] bnxt_en 0000:03:00.1 (unnamed net_device)
> >>>>>>>>> (uninitialized): Error (timeout: 500015) msg {0x0 0x0} len:0
> >>>>>>>>> [   61.502237] bnxt_en: probe of 0000:03:00.1 failed with error -16
> >>>>>>>>>
> >>>>>>>>>
> --
> Thierry Herbelot
> Senior Software Engineer
> Tel: +33 1 39 30 92 61
> http://www.6wind.com/
>
> Follow us:
> https://www.linkedin.com/company/6wind/
> https://twitter.com/6WINDsoftware
> https://www.youtube.com/user/6windsoftware
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