Re: [Bug 1209] vmxnet3 interface not receiving any packets with dpdk-22.11.1

[Amiya Mohakud <amohakud@paloaltonetworks.com>]

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Hi Jochen,

Could you please help here?

Regards
Amiya

On Fri, Mar 31, 2023 at 1:10 PM David Marchand <david.marchand@redhat.com>
wrote:

> Hello Jochen,
>
> On Fri, Mar 31, 2023 at 9:07 AM <bugzilla@dpdk.org> wrote:
> >
> > Bug ID 1209
> > Summary vmxnet3 interface not receiving any packets with dpdk-22.11.1
> > Product DPDK
> > Version 22.11
> > Hardware x86
> > OS All
> > Status UNCONFIRMED
> > Severity critical
> > Priority Normal
> > Component ethdev
> > Assignee dev@dpdk.org
> > Reporter amohakud@paloaltonetworks.com
> > Target Milestone ---
> >
> > Hi,
> > I recently upgraded our DPDK to 22.11.1 and observed that the guest
> vmxnet3
> > interface is not receiving any unicast packets. It's able to receive the
> > broadcast packets though. We enable promiscuous and all-multicast on the
> port.
> >
> > rte_eth_promiscuous_enable(port);
> > rte_eth_allmulticast_enable(port);
> >
> > This happens when the vswitch has only 2 ports attached.
> >
> > On further triaging,
> > -  I could find out that on the same setup, dpdk-20.11 works fine.
> > -  Upon comparing the working scenario and non-working scenario on esx
> host, I
> > could notice that there is some difference in port configuration of
> vswitch.
> >
> > Below is the snapshot of working case, where the  ethFRP:frame routing {
> > requested:filter flags is 0x1d.
> >
> > port {
> >    port index:365
> >    vnic index:0x00000003
> >    portCfg:build_1_15_2_vm-v3--p1e3-u2e3
> >    dvPortId:
> >    clientName:sjc-cms-esx15-csm02-pan1
> >    clientType: 5 -> VMM Virtual NIC
> >    clientSubType: 9 -> Vmxnet3 Client
> >    world leader:2120158
> >    flags: 0x40013 -> IN_USE ENABLED WORLD_ASSOC CONNECTED
> >    Impl customized blocked flags:0x00000000
> >    Passthru status: 0x8 -> DISABLED_BY_HOST
> >    fixed Hw Id:00:50:56:b8:20:aa:
> >    ethFRP:frame routing {
> >       requested:filter {
> >          flags:0x0000001d
> >          unicastAddr:00:50:56:b8:20:aa:
> >          numMulticastAddresses:0
> >          multicastAddresses:
> >          LADRF:[0]: 0x0
> >          [1]: 0x0
> >       }
> >       accepted:filter {
> >          flags:0x0000001d
> >          unicastAddr:00:50:56:b8:20:aa:
> >          numMulticastAddresses:0
> >          multicastAddresses:
> >          LADRF:[0]: 0x0
> >          [1]: 0x0
> >       }
> >    }
> >
> >
> > For the non-working case the flag is set to 0x09.
> >
> > port {
> >    port index:365
> >    vnic index:0x00000003
> >    portCfg:build_1_15_2_vm-v3--p1e3-u2e3
> >    dvPortId:
> >    clientName:sjc-cms-esx15-csm02-pan1
> >    clientType: 5 -> VMM Virtual NIC
> >    clientSubType: 9 -> Vmxnet3 Client
> >    world leader:2120158
> >    flags: 0x40013 -> IN_USE ENABLED WORLD_ASSOC CONNECTED
> >    Impl customized blocked flags:0x00000000
> >    Passthru status: 0x8 -> DISABLED_BY_HOST
> >    fixed Hw Id:00:50:56:b8:20:aa:
> >    ethFRP:frame routing {
> >       requested:filter {
> >          flags:0x00000009
> >          unicastAddr:00:50:56:b8:20:aa:
> >          numMulticastAddresses:0
> >          multicastAddresses:
> >          LADRF:[0]: 0x0
> >          [1]: 0x0
> >       }
> >       accepted:filter {
> >          flags:0x00000009
> >          unicastAddr:00:50:56:b8:20:aa:
> >          numMulticastAddresses:0
> >          multicastAddresses:
> >          LADRF:[0]: 0x0
> >          [1]: 0x0
> >       }
> >    }
> >    filter supported features: 0 -> NONE
> >    filter properties: 0 -> NONE
> >    rx mode: 0 -> INLINE
> >    tune mode: 0 -> default
> >    fastpath switch ID:0xffffffff
> >    fastpath port ID:0xffffffff
> > }
> >
> > I think these are some of the flags set by vmxnet3 device and in
> dpdk-22.11,
> > its not updating the flags.
>
> As a maintainer of the net/vmxnet3 driver, could you please register
> to bugzilla?
> And please have a look.
>
>
> Thanks!
>
> --
> David marchand
>
>

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