[dpdk-dev] No RX frames on Intel 82599 VF

[Bill Bonaparte]

I have the same problem on my 82599 nic, after I turnoff the jumbo_frame,
it works.
you can try rte_eth_dev_configure with the dev_conf.jumbo_frame = 0.

On Tue, Jul 12, 2016 at 2:43 PM, Lu, Wenzhuo <wenzhuo.lu at intel.com> wrote:

> From: Garik E [mailto:kiragon at gmail.com]
> Sent: Tuesday, July 12, 2016 12:48 PM
> To: Lu, Wenzhuo
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] No RX frames on Intel 82599 VF
>
> Hi,
>
> On the S2600WT2 server, when DPDK is bound to VF, there is no incoming
> traffic.
> But when the same VF is bound to ixgbevf driver and configured as Linux
> interface,
> it works normally. I was able to run ping and ssh through that VF.
> So my guess is that the RX issue is not due to malfunction hardware.
>
> The same binary works correctly on S2600WTTR server with 82599 VF
> I also tested the application with Mellanox ConnectX-4 on both servers
> There were no issues with CX-4 PF and VF
>
> For some reason DPDK VF RX functionality does not work on S2600WT2.
> [Wenzhuo] No clue now. But I think you can compare what’s the difference
> between S2600WT2 and S2600WTTR.
>
>
>
> On Tue, Jul 12, 2016 at 4:24 AM, Lu, Wenzhuo <wenzhuo.lu at intel.com<mailto:
> wenzhuo.lu at intel.com>> wrote:
> Hi Garik,
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org<mailto:dev-bounces at dpdk.org>] On
> Behalf Of Garik E
> > Sent: Tuesday, July 12, 2016 2:22 AM
> > To: dev at dpdk.org<mailto:dev at dpdk.org>
> > Subject: [dpdk-dev] No RX frames on Intel 82599 VF
> >
> > Hello,
> >
> >
> > I have two Intel servers S2600WTTR and S2600WT2 both with 82599 10G
> > Ethernet Controllers
> >
> > I run the same DPDK application on both servers.
> >
> > The application works with one interface bound to physical or virtual PCI
> > function depending on configuration
> >
> > The S2600WTTR server receives incoming traffic on physical and virtual
> > functions
> S2600WTTR is working right?
>
> >
> > The S2600WT2 server receives traffic only on physical function
> >
> > When I bind S2600WT2 VF to ixgbevf driver and configure it as Linux ETH
> > interface, it works normally.
> Don't understand what you're doing here. And you say *works*? Is S2600WT2
> the one not working?
>
> >
> >
> > Network sniffer shows that Ethernet frames arrive to S2600WT2 port and
> > frames are valid,
> >
> > however DPDK does not receive them.
> >
> >
> > Where can I start to debug this issue ?
> >
> >
> > OS: RHEL 6.6 x86-64
> >
> > DPDK: 16-07-rc1
>
>