Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-12 Thread Samudrala, Sridhar
On 3/7/2018 12:11 PM, Michael S. Tsirkin wrote: On Wed, Mar 07, 2018 at 10:06:30AM -0800, Stephen Hemminger wrote: On Wed, 7 Mar 2018 09:50:50 -0800 Alexander Duyck wrote: On Tue, Mar 6, 2018 at 6:38 PM, Michael S. Tsirkin wrote: On Tue, Mar 06, 2018 at 03:27:46PM -0800, Alexander Duyck wro

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-03 Thread Michael S. Tsirkin
On Fri, Mar 02, 2018 at 02:26:48PM -0800, Siwei Liu wrote: > On Fri, Mar 2, 2018 at 1:31 PM, Michael S. Tsirkin wrote: > > On Fri, Mar 02, 2018 at 12:44:56PM -0800, Siwei Liu wrote: > >> On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin > >> wrote: > >> > On Fri, Mar 02, 2018 at 11:52:27AM -08

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Siwei Liu
On Fri, Mar 2, 2018 at 3:12 PM, Samudrala, Sridhar wrote: > On 3/2/2018 1:11 PM, Siwei Liu wrote: >> >> On Thu, Mar 1, 2018 at 12:08 PM, Sridhar Samudrala >> wrote: >>> >>> This patch enables virtio_net to switch over to a VF datapath when a VF >>> netdev is present with the same MAC address. It

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Samudrala, Sridhar
On 3/2/2018 1:11 PM, Siwei Liu wrote: On Thu, Mar 1, 2018 at 12:08 PM, Sridhar Samudrala wrote: This patch enables virtio_net to switch over to a VF datapath when a VF netdev is present with the same MAC address. It allows live migration of a VM with a direct attached VF without the need to set

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Siwei Liu
On Fri, Mar 2, 2018 at 1:31 PM, Michael S. Tsirkin wrote: > On Fri, Mar 02, 2018 at 12:44:56PM -0800, Siwei Liu wrote: >> On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin wrote: >> > On Fri, Mar 02, 2018 at 11:52:27AM -0800, Samudrala, Sridhar wrote: >> >> >> >> >> >> On 3/2/2018 11:41 AM, Mic

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Michael S. Tsirkin
On Fri, Mar 02, 2018 at 12:56:21PM -0800, Samudrala, Sridhar wrote: > > > On 3/2/2018 12:44 PM, Siwei Liu wrote: > > On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin wrote: > > > On Fri, Mar 02, 2018 at 11:52:27AM -0800, Samudrala, Sridhar wrote: > > > > > > > > On 3/2/2018 11:41 AM, Michael

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Michael S. Tsirkin
On Fri, Mar 02, 2018 at 12:44:56PM -0800, Siwei Liu wrote: > On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin wrote: > > On Fri, Mar 02, 2018 at 11:52:27AM -0800, Samudrala, Sridhar wrote: > >> > >> > >> On 3/2/2018 11:41 AM, Michael S. Tsirkin wrote: > >> > On Fri, Mar 02, 2018 at 07:26:25AM -

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Samudrala, Sridhar
On 3/2/2018 12:44 PM, Siwei Liu wrote: On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin wrote: On Fri, Mar 02, 2018 at 11:52:27AM -0800, Samudrala, Sridhar wrote: On 3/2/2018 11:41 AM, Michael S. Tsirkin wrote: On Fri, Mar 02, 2018 at 07:26:25AM -0800, Alexander Duyck wrote: The design

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Siwei Liu
On Fri, Mar 2, 2018 at 11:42 AM, Michael S. Tsirkin wrote: > On Fri, Mar 02, 2018 at 05:20:17PM +0100, Jiri Pirko wrote: >> >Yeah, this code essentially calls out the "shareable" code with a >> >comment at the start and end of the section what defines the >> >virtio_bypass functionality. It would

Re: [virtio-dev] Re: [PATCH v4 2/2] virtio_net: Extend virtio to use VF datapath when available

2018-03-02 Thread Siwei Liu
On Fri, Mar 2, 2018 at 12:10 PM, Michael S. Tsirkin wrote: > On Fri, Mar 02, 2018 at 11:52:27AM -0800, Samudrala, Sridhar wrote: >> >> >> On 3/2/2018 11:41 AM, Michael S. Tsirkin wrote: >> > On Fri, Mar 02, 2018 at 07:26:25AM -0800, Alexander Duyck wrote: >> > > The design limits things to a 1:1 r