Re: [dpdk-dev] Which vmxnet3 pmd is to be used in dpdk 1.6.x?

[Prashant Upadhyaya <prashant.upadhyaya@aricent.com>]

Hi Stephen,

Kindly let me know if the multi-segment support for vmxnet3 pmd is already in, in a formal release of DPDK.
Or which formal release you are targeting this for.

Regards
-Prashant


-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Prashant Upadhyaya
Sent: Friday, March 21, 2014 1:42 PM
To: Stephen Hemminger
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Which vmxnet3 pmd is to be used in dpdk 1.6.x?

Hi Stephen,

I believe the 1.6.0r2 is baking.
It would be great if you could enhance the vmxnet3 driver on the above with multi-segment support.
Any serious usecase ends up using multi-segment, so would be great if r2 can capture it.

Regards
-Prashant


-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Prashant Upadhyaya
Sent: Tuesday, March 11, 2014 10:57 AM
To: Stephen Hemminger
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Which vmxnet3 pmd is to be used in dpdk 1.6.x?

Hi Stephen,

This is great news !
I can wait for a formal release of DPDK with your driver.
Please let me know when is the release expected. I will happily migrate to that.

Regards
-Prashant


-----Original Message-----
From: Stephen Hemminger [mailto:stephen@networkplumber.org]
Sent: Monday, March 10, 2014 9:21 PM
To: Prashant Upadhyaya
Cc: Srinivasan J; dev@dpdk.org
Subject: Re: [dpdk-dev] Which vmxnet3 pmd is to be used in dpdk 1.6.x?

On Mon, 10 Mar 2014 13:30:48 +0530
Prashant Upadhyaya <prashant.upadhyaya@aricent.com> wrote:

> Hi Srini,
>
> Thanks, I could also make it work, thanks to your cue !
>
> Now then, this multi-segment not being supported in vmxnet3 driver is a big party-pooper for me. Unfortunately in my usecase, I do indeed make heavy use of multisegment buffers for sending out the data, so my usecase has failed and I will have to fix that.
>
> Also, can you please adivse how much is the max data rates you have been able to achieve with one vmxnet3 10G port.
>
> Thanks a lot for the advice once again.
>
> Regards
> -Prashant

I am integrating our driver with the 1.6.1 DPDK driver.
We support multi-segment, if you want I will backport that feature first.





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