What types of traffic is sent to host network stack?  For network
applications  on Host machine ?

On Mon, Oct 10, 2016 at 9:29 AM, Rajagopalan Sivaramakrishnan <
[email protected]> wrote:

> vrouter uses KNI to send packets to the host network stack. There is a
> vhost0 interface which is created for this purpose and it uses KNI.
>
>
>
> Raja
>
>
>
> *From: *Joo Kim <[email protected]>
> *Date: *Monday, October 10, 2016 at 1:31 AM
> *To: *Raja Sivaramakrishnan <[email protected]>
> *Cc: *"[email protected]" <[email protected]>
> *Subject: *Re: [opencontrail-dev] vrouter dpdk support - both vhost and
> IVSHMEM?
>
>
>
> Raja,
>
>
>
> Thanks for the clarification.
>
>
>
> BTW, as a related query, why(for what purpose) dpdk kni  is used in
> userspace dpdk vrouter?     Since userspace vrouter receives/transmits
> packet via poll mode driver and then sends/receives to/from VM via
> userspace dpdk vhost-net,    I don't see why KNI is necessary in userspace
> vrouter...
>
> As I understand, KNI is just for improving the performance of the existing
> applications going through Linux kernel network stack.
>
>
>
> Thanks
>
>
>
> On Wed, Oct 5, 2016 at 2:11 PM, Rajagopalan Sivaramakrishnan <
> [email protected]> wrote:
>
> We don’t have a plan to support ivshmem at the moment.
>
>
>
> Raja
>
>
>
> *From: *Dev <[email protected]> on behalf of Joo Kim <
> [email protected]>
> *Date: *Sunday, October 2, 2016 at 2:59 AM
> *To: *"[email protected]" <[email protected]>
> *Subject: *[opencontrail-dev] vrouter dpdk support - both vhost and
> IVSHMEM?
>
>
>
> Hello,
>
>
>
> Regarding vrouter dpdk support for host and vm (data packet)communication,
>
>
>
> looks like vrouter code uses vHost mechanism
>
> (
>
> http://images.slideplayer.com/11/3319449/slides/slide_11.jpg
>
> )
>
>
>
> Then, any plan on supporting IVSHMEM mechanism also?
>
>
>
> -Thanks-
>
>
>
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