On Wed, Dec 20, 2017 at 8:52 PM, Jakub Kicinski wrote:
> On Wed, 20 Dec 2017 18:16:30 -0800, Siwei Liu wrote:
>> > The plan is to remove the delay and do the naming in the kernel.
>> > This was suggested by Lennart since udev is only doing naming policy
>> > because kernel names were not repeatabl
On Wed, 20 Dec 2017 18:16:30 -0800, Siwei Liu wrote:
> > The plan is to remove the delay and do the naming in the kernel.
> > This was suggested by Lennart since udev is only doing naming policy
> > because kernel names were not repeatable.
> >
> > This makes the VF show up as "ethN_vf" on Hyper-V
On Tue, Dec 19, 2017 at 10:41 AM, Stephen Hemminger
wrote:
> On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
> David Miller wrote:
>
>> From: Stephen Hemminger
>> Date: Tue, 19 Dec 2017 09:55:48 -0800
>>
>> > could be 10ms, just enough to let udev do its renaming
>>
>> Please, move to some kind of noti
On Thu, 21 Dec 2017 02:15:31 +0200, Michael S. Tsirkin wrote:
> On Wed, Dec 20, 2017 at 02:33:34PM -0800, Jakub Kicinski wrote:
> > On Mon, 18 Dec 2017 16:40:36 -0800, Sridhar Samudrala wrote:
> > > +static int virtio_netdev_event(struct notifier_block *this,
> > > +unsign
On Wed, Dec 20, 2017 at 02:33:34PM -0800, Jakub Kicinski wrote:
> On Mon, 18 Dec 2017 16:40:36 -0800, Sridhar Samudrala wrote:
> > +static int virtio_netdev_event(struct notifier_block *this,
> > + unsigned long event, void *ptr)
> > +{
> > + struct net_device *event_dev
On Mon, Dec 18, 2017 at 04:40:36PM -0800, Sridhar Samudrala wrote:
> This patch enables virtio to switch over to a VF datapath when a VF netdev
> is present with the same MAC address.
I prefer saying "a passthrough device" here. Does not have to be a VF at
all.
> It allows live migration of a VM
On Mon, 18 Dec 2017 16:40:36 -0800, Sridhar Samudrala wrote:
> +static int virtio_netdev_event(struct notifier_block *this,
> +unsigned long event, void *ptr)
> +{
> + struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
> +
> + /* Skip our own events
David Miller writes:
> From: "Samudrala, Sridhar"
> Date: Tue, 19 Dec 2017 09:41:39 -0800
>
>> This is based on netvsc implementation and here is the commit that
>> added this delay. Not sure if this needs to be 100ms.
>>
>> commit 6123c66854c174e4982f98195100c1d990f9e5e6
>> Author: stephen he
On 12/19/2017 2:53 PM, Stephen Hemminger wrote:
On Tue, 19 Dec 2017 14:37:50 -0800
"Samudrala, Sridhar" wrote:
On 12/19/2017 11:46 AM, Stephen Hemminger wrote:
On Tue, 19 Dec 2017 11:42:33 -0800
"Samudrala, Sridhar" wrote:
On 12/19/2017 10:41 AM, Stephen Hemminger wrote:
On Tue, 19 Dec
On Tue, 19 Dec 2017 14:37:50 -0800
"Samudrala, Sridhar" wrote:
> On 12/19/2017 11:46 AM, Stephen Hemminger wrote:
> > On Tue, 19 Dec 2017 11:42:33 -0800
> > "Samudrala, Sridhar" wrote:
> >
> >> On 12/19/2017 10:41 AM, Stephen Hemminger wrote:
> >>> On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
>
On 12/19/2017 11:46 AM, Stephen Hemminger wrote:
On Tue, 19 Dec 2017 11:42:33 -0800
"Samudrala, Sridhar" wrote:
On 12/19/2017 10:41 AM, Stephen Hemminger wrote:
On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
David Miller wrote:
From: Stephen Hemminger
Date: Tue, 19 Dec 2017 09:55:48 -0800
On Tue, 19 Dec 2017 11:42:33 -0800
"Samudrala, Sridhar" wrote:
> On 12/19/2017 10:41 AM, Stephen Hemminger wrote:
> > On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
> > David Miller wrote:
> >
> >> From: Stephen Hemminger
> >> Date: Tue, 19 Dec 2017 09:55:48 -0800
> >>
> >>> could be 10ms, just e
On 12/19/2017 10:41 AM, Stephen Hemminger wrote:
On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
David Miller wrote:
From: Stephen Hemminger
Date: Tue, 19 Dec 2017 09:55:48 -0800
could be 10ms, just enough to let udev do its renaming
Please, move to some kind of notification or event based hand
On Tue, 19 Dec 2017 13:21:17 -0500 (EST)
David Miller wrote:
> From: Stephen Hemminger
> Date: Tue, 19 Dec 2017 09:55:48 -0800
>
> > could be 10ms, just enough to let udev do its renaming
>
> Please, move to some kind of notification or event based handling of
> this problem.
>
> No delay i
From: Stephen Hemminger
Date: Tue, 19 Dec 2017 09:55:48 -0800
> could be 10ms, just enough to let udev do its renaming
Please, move to some kind of notification or event based handling of
this problem.
No delay is safe, what if userspace gets swapped out or whatever
else might make userspace st
From: "Samudrala, Sridhar"
Date: Tue, 19 Dec 2017 09:41:39 -0800
> This is based on netvsc implementation and here is the commit that
> added this delay. Not sure if this needs to be 100ms.
>
> commit 6123c66854c174e4982f98195100c1d990f9e5e6
> Author: stephen hemminger
> Date: Wed Aug 9 17:4
On Tue, 19 Dec 2017 20:07:01 +0200
"Michael S. Tsirkin" wrote:
> On Tue, Dec 19, 2017 at 09:55:48AM -0800, Stephen Hemminger wrote:
> > On Tue, 19 Dec 2017 09:41:39 -0800
> > "Samudrala, Sridhar" wrote:
> >
> > > On 12/19/2017 7:47 AM, Michael S. Tsirkin wrote:
> > > > I'll need to look at
On Tue, Dec 19, 2017 at 09:55:48AM -0800, Stephen Hemminger wrote:
> On Tue, 19 Dec 2017 09:41:39 -0800
> "Samudrala, Sridhar" wrote:
>
> > On 12/19/2017 7:47 AM, Michael S. Tsirkin wrote:
> > > I'll need to look at this more, in particular the feature
> > > bit is missing here. For now one quest
On Tue, 19 Dec 2017 09:41:39 -0800
"Samudrala, Sridhar" wrote:
> On 12/19/2017 7:47 AM, Michael S. Tsirkin wrote:
> > I'll need to look at this more, in particular the feature
> > bit is missing here. For now one question:
> >
> > On Mon, Dec 18, 2017 at 04:40:36PM -0800, Sridhar Samudrala wrote:
On 12/19/2017 7:47 AM, Michael S. Tsirkin wrote:
I'll need to look at this more, in particular the feature
bit is missing here. For now one question:
On Mon, Dec 18, 2017 at 04:40:36PM -0800, Sridhar Samudrala wrote:
@@ -56,6 +58,8 @@ module_param(napi_tx, bool, 0644);
*/
DECLARE_EWMA(pkt
I'll need to look at this more, in particular the feature
bit is missing here. For now one question:
On Mon, Dec 18, 2017 at 04:40:36PM -0800, Sridhar Samudrala wrote:
> @@ -56,6 +58,8 @@ module_param(napi_tx, bool, 0644);
> */
> DECLARE_EWMA(pkt_len, 0, 64)
>
> +#define VF_TAKEOVER_INT
This patch enables virtio 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 setup a bond/team between a
VF and virtio net device in the guest.
The hypervisor needs to unplug the VF
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