On 3/5/2016 2:17 AM, Stephen Hemminger wrote:
> Resending them now. I don't understand the issue with merge-able header.
> Virtio negotiation is symmetric, if receiver is using merge-able header
> then the transmitter needs to send it also.
Yes, both receiver and transmitter use the same format of
On Fri, 4 Mar 2016 06:18:17 +
"Xie, Huawei" wrote:
> On 1/14/2016 9:49 PM, Xie, Huawei wrote:
> > On 1/6/2016 8:04 PM, Thomas Monjalon wrote:
> >> 2016-01-05 08:10, Xie, Huawei:
> >>> On 10/26/2015 10:06 PM, Xie, Huawei wrote:
> On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
> > Thi
On 1/14/2016 9:49 PM, Xie, Huawei wrote:
> On 1/6/2016 8:04 PM, Thomas Monjalon wrote:
>> 2016-01-05 08:10, Xie, Huawei:
>>> On 10/26/2015 10:06 PM, Xie, Huawei wrote:
On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
> This is a tested version of the virtio Tx performance improvements
>
On 1/6/2016 8:04 PM, Thomas Monjalon wrote:
> 2016-01-05 08:10, Xie, Huawei:
>> On 10/26/2015 10:06 PM, Xie, Huawei wrote:
>>> On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
This is a tested version of the virtio Tx performance improvements
that I posted earlier on the list, and describe
2016-01-05 08:10, Xie, Huawei:
> On 10/26/2015 10:06 PM, Xie, Huawei wrote:
> > On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
> >> This is a tested version of the virtio Tx performance improvements
> >> that I posted earlier on the list, and described at the DPDK Userspace
> >> meeting in Dublin.
On 10/26/2015 10:06 PM, Xie, Huawei wrote:
> On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
>> This is a tested version of the virtio Tx performance improvements
>> that I posted earlier on the list, and described at the DPDK Userspace
>> meeting in Dublin. Together they get a 25% performance impr
You need to use the extended mergeable rx buffer format.
It is a virtio spec requirement, look at Linux virtio network driver or ask
the virtio maintainers for Linux
if you need more clarification.
On Tue, Oct 27, 2015 at 10:56 AM, Xie, Huawei wrote:
> On 10/27/2015 7:52 AM, Stephen Hemminger wr
On Fri, 23 Oct 2015 09:00:38 +
"Xie, Huawei" wrote:
> >> Why use merge-able rx header here in the tx region?
> > If mergeable rx is negotiated then the header must be used for
> > both Tx and Rx. I chose to allocate the largest possible header
> > needed, rather than having to deal with var
On 10/27/2015 10:23 AM, Stephen Hemminger wrote:
> You need to use the extended mergeable rx buffer format.
> It is a virtio spec requirement, look at Linux virtio network driver
> or ask the virtio maintainers for Linux
> if you need more clarification.
Yes, it is spec requirement as far as we kno
On 10/27/2015 7:52 AM, Stephen Hemminger wrote:
> On Fri, 23 Oct 2015 09:00:38 +
> "Xie, Huawei" wrote:
>
Why use merge-able rx header here in the tx region?
>>> If mergeable rx is negotiated then the header must be used for
>>> both Tx and Rx. I chose to allocate the largest possible h
On 10/19/2015 1:16 PM, Stephen Hemminger wrote:
> This is a tested version of the virtio Tx performance improvements
> that I posted earlier on the list, and described at the DPDK Userspace
> meeting in Dublin. Together they get a 25% performance improvement for
> both small packet and large multi-
On 10/23/2015 12:05 AM, Stephen Hemminger wrote:
> On Thu, 22 Oct 2015 10:38:33 +
> "Xie, Huawei" wrote:
>
>> On 10/21/2015 9:20 PM, Thomas Monjalon wrote:
>>> 2015-10-18 22:16, Stephen Hemminger:
This is a tested version of the virtio Tx performance improvements
that I posted earlie
On 10/22/2015 6:39 PM, Xie, Huawei wrote:
> On 10/21/2015 9:20 PM, Thomas Monjalon wrote:
>> 2015-10-18 22:16, Stephen Hemminger:
>>> This is a tested version of the virtio Tx performance improvements
>>> that I posted earlier on the list, and described at the DPDK Userspace
>>> meeting in Dublin.
On 10/21/2015 9:20 PM, Thomas Monjalon wrote:
> 2015-10-18 22:16, Stephen Hemminger:
>> This is a tested version of the virtio Tx performance improvements
>> that I posted earlier on the list, and described at the DPDK Userspace
>> meeting in Dublin. Together they get a 25% performance improvement
On Thu, 22 Oct 2015 10:38:33 +
"Xie, Huawei" wrote:
> On 10/21/2015 9:20 PM, Thomas Monjalon wrote:
> > 2015-10-18 22:16, Stephen Hemminger:
> >> This is a tested version of the virtio Tx performance improvements
> >> that I posted earlier on the list, and described at the DPDK Userspace
> >>
2015-10-18 22:16, Stephen Hemminger:
> This is a tested version of the virtio Tx performance improvements
> that I posted earlier on the list, and described at the DPDK Userspace
> meeting in Dublin. Together they get a 25% performance improvement for
> both small packet and large multi-segment pac
This is a tested version of the virtio Tx performance improvements
that I posted earlier on the list, and described at the DPDK Userspace
meeting in Dublin. Together they get a 25% performance improvement for
both small packet and large multi-segment packet case when testing
from DPDK guest applica
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