Re: [dpdk-dev] Intel fortville not working with multi-segment

["Zhang, Helin" <helin.zhang@intel.com>]

Hi Nissim

It seems that our validation guys here can reproduce it in our lab. I will check that soon later, and update you later.
Thank you very much for the good finding!

Regards,
Helin

> -----Original Message-----
> From: Nissim Nisimov [mailto:NissimN@Radware.com]
> Sent: Monday, May 11, 2015 11:44 AM
> To: Zhang, Helin
> Cc: 'dev@dpdk.org'
> Subject: RE: Intel fortville not working with multi-segment
> 
> Hi,
> 
> I am using PF pass-through and it doesn't work even with 2000 bytes of
> server response page size.
> Looks like the first segment of each session is not received.
> 
> When i am changing the server response size to 1000 bytes, all works as
> expected.
> 
> I am working with dpdk 1.8 version.
> 
> Any idea why ? Is it related to i40e multi segment support?
> 
> Thx
> Nissim
> 
> On May 11, 2015 5:03 AM, "Zhang, Helin" <helin.zhang@intel.com>
> wrote:
> >
> > Hi Nissim
> >
> > Are you using PF pass-through or VF pass-through?
> > For PF pass-through, you might have already gotten the fix.
> > For VF pass-through, there is
> 
> Hi Nissim
> 
> Are you using PF pass-through or VF pass-through?
> For PF pass-through, you might have already gotten the fix.
> For VF pass-through, there is a bug fix which is needed for supporting
> jumbo frame and multiple mbuf.
> http://www.dpdk.org/dev/patchwork/patch/4641/
> 
> 
> Regards,
> Helin
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Nissim Nisimov
> > Sent: Monday, May 11, 2015 3:48 AM
> > To: Nissim Nisimov; 'dev@dpdk.org'
> > Subject: Re: [dpdk-dev] Intel fortville not working with multi-segment
> >
> > Hi,
> >
> > can someone assist regarding this issue?
> >
> > Is it a known limitation in i40e/dpdk (no support for multi-segment)?
> >
> > Thx
> > Nissim
> >
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Nissim Nisimov
> > Sent: Thursday, May 07, 2015 5:44 PM
> > To: 'dev@dpdk.org'
> > Subject: [dpdk-dev] Intel fortville not working with multi-segment
> >
> > Hi,
> >
> >
> >
> > I am trying to work with Intel Fortville (XL710) NICs in Passthrough
> > mode from a VM running dpdk app.
> >
> >
> > First I didn't have any TX traffic from the VM, I got dpdk patch for
> > this issue and it fixed it.
> > (http://www.dpdk.org/dev/patchwork/patch/4588/)
> >
> > But now I see that when trying to run multi-segment traffic not all
> > the packets reaching the VM (I tested it on bare metal as well and saw
> > the same issue)
> >
> > Is it a known issue? any workaround for it?
> >
> > Thanks,
> > Nissim