Re: [dpdk-users] VIRTIO for containers

["Tan, Jianfeng" <jianfeng.tan@intel.com>]

On 6/26/2017 8:06 PM, Avi Cohen (A) wrote:
> Thank You Jianfeng
>
>> We have developed virtio-user + vhost-kernel as the backend. In that
>> scenario, you can add the tap interface into a container network namespace.
>> And there's a vhost kthread to push the data out to user space.
>>
>> And I cannot guarantee the performance as it has diametric model in VM
>> (virtio) - OVS-DPDK (vhost).
>>
> [Avi Cohen (A)]
> Can you refer to a document how to run this setup?

Please refer to 
http://dpdk.org/doc/guides/howto/virtio_user_as_exceptional_path.html

Thanks,
Jianfeng

> Best Regards
> avi
>>> I've tested the performance of a container connected to OVS-DPDK  via
>>> vdev-af_packet  and processed by virtual PMD, and its performance is
>>> good [uses mmap'ed to userspace  - zero copy RX/TX ring buffer] but
>>> not good as  the performance  of a  VM connected  to OVS-DPDK (@host)
>>> via vhost-user virtio.
>>> Best Regards
>>> avi
>>>
>>>> -----Original Message-----
>>>> From: Tan, Jianfeng [mailto:jianfeng.tan@intel.com]
>>>> Sent: Monday, 26 June, 2017 6:15 AM
>>>> To: Avi Cohen (A); dpdk-ovs@lists.01.org; users@dpdk.org
>>>> Subject: RE: VIRTIO for containers
>>>>
>>>> Hi Avi,
>>>>
>>>>> -----Original Message-----
>>>>> From: users [mailto:users-bounces@dpdk.org] On Behalf Of Avi Cohen
>>>>> (A)
>>>>> Sent: Sunday, June 25, 2017 11:13 PM
>>>>> To: dpdk-ovs@lists.01.org; users@dpdk.org
>>>>> Subject: [dpdk-users] VIRTIO for containers
>>>>>
>>>>> Hello,
>>>>> Does  anyone know the status of this project
>>>>> http://dpdk.org/ml/archives/dev/2015-November/027732.html  -
>>>>> Implementing a virtio device for containers ?
>>>> It has been upstreamed since v16.07. Here is a howto doc:
>>>>
>>> http://dpdk.org/doc/guides/howto/virtio_user_for_container_networking.
>>> h
>>>> tml
>>>>
>>>>
>>>> Thanks,
>>>> Jianfeng
>>>>
>>>>> Best Regards
>>>>> avi