From: Jiri Pirko <jiri@resnulli.us>
To: Or Gerlitz <gerlitz.or@gmail.com>
Cc: Alexander Duyck <alexander.duyck@gmail.com>,
Jakub Kicinski <kubakici@wp.pl>,
"Samudrala, Sridhar" <sridhar.samudrala@intel.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Stephen Hemminger <stephen@networkplumber.org>,
David Miller <davem@davemloft.net>,
Netdev <netdev@vger.kernel.org>,
virtualization@lists.linux-foundation.org,
virtio-dev@lists.oasis-open.org, "Brandeburg,
Jesse" <jesse.brandeburg@intel.com>,
"Duyck, Alexander H" <alexander.h.duyck@intel.com>,
Jason Wang <jasowang@redhat.com>, Siwei Liu <loseweigh@gmail.com>
Subject: Re: [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device
Date: Thu, 22 Feb 2018 14:07:17 +0100 [thread overview]
Message-ID: <20180222130717.GE1994@nanopsycho> (raw)
In-Reply-To: <CAJ3xEMiWUY1-zoFTJ9C9QeAGt24bVg-kKO8RkvRa8Agaf2R+0A@mail.gmail.com>
Thu, Feb 22, 2018 at 12:54:45PM CET, gerlitz.or@gmail.com wrote:
>On Thu, Feb 22, 2018 at 10:11 AM, Jiri Pirko <jiri@resnulli.us> wrote:
>> Wed, Feb 21, 2018 at 09:57:09PM CET, alexander.duyck@gmail.com wrote:
>
>>>The signaling isn't too much of an issue since we can just tweak the
>>>link state of the VF or virtio manually to report the link up or down
>>>prior to the hot-plug. Now that we are on the same page with the team0
>
>> Oh, so you just do "ip link set vfrepresentor down" in the host.
>> That makes sense. I'm pretty sure that this is not implemented for all
>> drivers now.
>
>mlx5 supports that, on the representor close ndo we take the VF link
>operational v-link down
>
>We should probably also put into the picture some/more aspects
>from the host side of things. The provisioning of the v-switch now
>have to deal with two channels going into the VM, the PV (virtio)
>one and the PT (VF) one.
>
>This should probably boil down to apply teaming/bonding between
>the VF representor and a PV backend device, e.g TAP.
Yes, that is correct.
next prev parent reply other threads:[~2018-02-22 13:07 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-16 18:11 [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Sridhar Samudrala
2018-02-16 18:11 ` [RFC PATCH v3 1/3] virtio_net: Introduce VIRTIO_NET_F_BACKUP feature bit Sridhar Samudrala
2018-02-16 18:11 ` [RFC PATCH v3 2/3] virtio_net: Extend virtio to use VF datapath when available Sridhar Samudrala
2018-02-17 3:04 ` Jakub Kicinski
2018-02-17 17:41 ` Alexander Duyck
2018-02-16 18:11 ` [RFC PATCH v3 3/3] virtio_net: Enable alternate datapath without creating an additional netdev Sridhar Samudrala
2018-02-17 2:38 ` [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Jakub Kicinski
2018-02-17 17:12 ` Alexander Duyck
2018-02-19 6:11 ` Jakub Kicinski
2018-02-20 16:26 ` Samudrala, Sridhar
2018-02-21 23:50 ` Siwei Liu
2018-02-22 0:17 ` Alexander Duyck
2018-02-22 1:59 ` Siwei Liu
2018-02-22 2:35 ` Samudrala, Sridhar
2018-02-22 3:28 ` Samudrala, Sridhar
2018-02-23 22:22 ` Siwei Liu
2018-02-23 22:38 ` Jiri Pirko
2018-02-24 0:17 ` Siwei Liu
2018-02-24 0:03 ` Stephen Hemminger
2018-02-25 22:17 ` Alexander Duyck
2018-02-20 10:42 ` Jiri Pirko
2018-02-20 16:04 ` Alexander Duyck
2018-02-20 16:29 ` Jiri Pirko
2018-02-20 17:14 ` Samudrala, Sridhar
2018-02-20 20:14 ` Jiri Pirko
2018-02-20 21:02 ` Alexander Duyck
2018-02-20 22:33 ` Jakub Kicinski
2018-02-21 9:51 ` Jiri Pirko
2018-02-21 15:56 ` Alexander Duyck
2018-02-21 16:11 ` Jiri Pirko
2018-02-21 16:49 ` Alexander Duyck
2018-02-21 16:58 ` Jiri Pirko
2018-02-21 17:56 ` Alexander Duyck
2018-02-21 19:38 ` Jiri Pirko
2018-02-21 20:57 ` Alexander Duyck
2018-02-22 2:02 ` Jakub Kicinski
2018-02-22 2:15 ` Samudrala, Sridhar
2018-02-22 8:11 ` Jiri Pirko
2018-02-22 11:54 ` Or Gerlitz
2018-02-22 13:07 ` Jiri Pirko [this message]
2018-02-22 15:30 ` Alexander Duyck
2018-02-22 21:30 ` Alexander Duyck
2018-02-23 23:59 ` Stephen Hemminger
2018-02-25 22:21 ` Alexander Duyck
2018-02-26 7:19 ` Jiri Pirko
2018-02-27 1:02 ` Stephen Hemminger
2018-02-27 1:18 ` Michael S. Tsirkin
2018-02-27 8:27 ` Jiri Pirko
2018-02-20 17:23 ` Alexander Duyck
2018-02-20 19:53 ` Jiri Pirko
2018-02-27 8:49 ` Jiri Pirko
2018-02-27 21:16 ` Alexander Duyck
2018-02-27 21:23 ` Michael S. Tsirkin
2018-02-27 21:41 ` Jakub Kicinski
2018-02-28 7:08 ` Jiri Pirko
2018-02-28 14:32 ` Michael S. Tsirkin
2018-02-28 15:11 ` Jiri Pirko
2018-02-28 15:45 ` Michael S. Tsirkin
2018-02-28 19:25 ` Jiri Pirko
2018-02-28 20:48 ` Michael S. Tsirkin
2018-02-27 21:30 ` Michael S. Tsirkin
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