From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Samudrala, Sridhar" <sridhar.samudrala@intel.com>
Cc: Sameeh Jubran <sameeh@daynix.com>,
Siwei Liu <loseweigh@gmail.com>,
venu.busireddy@oracle.com, cohuck@redhat.com,
virtio-dev <virtio-dev@lists.oasis-open.org>,
liran.alon@oracle.com, Yan Vugenfirer <yan@daynix.com>
Subject: Re: [virtio-dev] [PATCH v4] content: Introduce VIRTIO_NET_F_STANDBY feature
Date: Wed, 28 Nov 2018 12:08:39 -0500 [thread overview]
Message-ID: <20181128120516-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <25a340eb-62a8-ea90-5f0d-0ee3171479ce@intel.com>
On Mon, Nov 26, 2018 at 12:22:56PM -0800, Samudrala, Sridhar wrote:
> > Update:
> > I have just set the vf mac's address to 0 (ip link set ens2f0 vf 1 mac
> > 00:00:00:00:00:00) after unplugging it (the primary device) and the
> > pings started working again on the failover interface. So it seems
> > like the frames were arriving to the vf on the host.
> >
> >
>
> Yes. When the VF is unplugged, you need to reset the VFs MAC so that the packets
> with VMs MAC start flowing via VF, bridge and the virtio interface.
>
> Have you looked at this documentation that shows a sample script to initiate live
> migration?
> https://www.kernel.org/doc/html/latest/networking/net_failover.html
>
> -Sridhar
Interesting I didn't notice it does this. So in fact
just defining VF mac will immediately divert packets
to the VF? Given guest driver did not initialize VF
yet won't a bunch of packets be dropped?
--
MST
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next prev parent reply other threads:[~2018-11-28 17:08 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-15 18:49 [virtio-dev] [PATCH v4] content: Introduce VIRTIO_NET_F_STANDBY feature Sridhar Samudrala
2018-08-27 8:40 ` [virtio-dev] " Cornelia Huck
2018-08-27 12:34 ` Michael S. Tsirkin
2018-08-27 16:50 ` Samudrala, Sridhar
2018-08-28 12:13 ` Michael S. Tsirkin
2018-09-07 21:34 ` [virtio-dev] " Michael S. Tsirkin
2018-09-12 15:17 ` Samudrala, Sridhar
2018-09-12 15:22 ` Michael S. Tsirkin
2018-09-18 10:20 ` Cornelia Huck
2018-09-18 10:37 ` Sameeh Jubran
2018-09-18 13:25 ` Michael S. Tsirkin
2018-09-18 18:30 ` Siwei Liu
2018-09-18 18:39 ` Michael S. Tsirkin
2018-09-18 19:10 ` Siwei Liu
2018-09-20 3:04 ` Michael S. Tsirkin
2018-09-19 5:03 ` Samudrala, Sridhar
2018-09-20 5:51 ` Sameeh Jubran
2018-09-18 13:35 ` Michael S. Tsirkin
2018-09-18 15:13 ` Venu Busireddy
2018-09-18 15:31 ` Michael S. Tsirkin
2018-09-18 18:48 ` Siwei Liu
2018-09-20 3:11 ` Michael S. Tsirkin
2018-09-20 23:57 ` Siwei Liu
2018-09-21 2:23 ` Michael S. Tsirkin
2018-09-21 2:34 ` Michael S. Tsirkin
2018-09-27 0:18 ` Siwei Liu
2018-09-27 7:17 ` Sameeh Jubran
2018-09-27 16:17 ` Michael S. Tsirkin
2018-09-27 17:23 ` Samudrala, Sridhar
2018-09-27 23:45 ` Michael S. Tsirkin
2018-09-30 9:17 ` Sameeh Jubran
2018-09-30 13:50 ` Sameeh Jubran
2018-09-27 16:32 ` Michael S. Tsirkin
2018-10-02 8:42 ` Siwei Liu
2018-10-02 12:43 ` Michael S. Tsirkin
2018-10-05 0:03 ` Siwei Liu
2018-10-05 5:17 ` Samudrala, Sridhar
2018-10-10 14:40 ` Michael S. Tsirkin
2018-10-11 0:16 ` Samudrala, Sridhar
2018-10-05 19:18 ` Michael S. Tsirkin
2018-10-08 22:06 ` Sameeh Jubran
2018-10-10 14:43 ` Michael S. Tsirkin
2018-10-11 1:26 ` Siwei Liu
2018-10-18 23:20 ` Siwei Liu
2018-10-18 23:40 ` Michael S. Tsirkin
2018-10-19 3:45 ` Michael S. Tsirkin
2018-11-21 15:39 ` Sameeh Jubran
2018-11-21 18:41 ` Michael S. Tsirkin
2018-11-21 20:04 ` Sameeh Jubran
2018-11-21 23:51 ` Samudrala, Sridhar
2018-11-22 13:55 ` Sameeh Jubran
2018-11-22 18:27 ` Michael S. Tsirkin
2018-11-26 15:13 ` Sameeh Jubran
2018-11-26 15:43 ` Sameeh Jubran
2018-11-26 20:22 ` Samudrala, Sridhar
2018-11-27 11:24 ` Sameeh Jubran
2018-11-28 17:08 ` Michael S. Tsirkin [this message]
2018-11-28 17:31 ` Samudrala, Sridhar
2018-11-28 17:35 ` Michael S. Tsirkin
2018-11-28 18:39 ` Samudrala, Sridhar
2018-11-28 18:51 ` Michael S. Tsirkin
2018-11-29 6:29 ` Samudrala, Sridhar
2018-11-28 20:06 ` Michael S. Tsirkin
2018-11-28 20:28 ` si-wei liu
2018-11-28 20:43 ` Michael S. Tsirkin
2018-11-28 20:47 ` si-wei liu
2018-11-29 1:15 ` Michael S. Tsirkin
2018-11-29 6:37 ` Samudrala, Sridhar
2018-11-29 20:14 ` si-wei liu
2018-11-29 21:17 ` Michael S. Tsirkin
2018-11-29 22:53 ` si-wei liu
2018-11-29 23:53 ` Samudrala, Sridhar
2018-11-30 0:24 ` si-wei liu
2018-11-30 3:08 ` Samudrala, Sridhar
2018-11-30 4:46 ` si-wei liu
2018-11-30 6:21 ` Michael S. Tsirkin
2018-12-04 2:09 ` si-wei liu
2018-12-04 3:59 ` Michael S. Tsirkin
2018-12-05 16:18 ` Sameeh Jubran
2018-12-05 17:18 ` Michael S. Tsirkin
2018-12-08 1:54 ` si-wei liu
2018-12-10 15:13 ` Sameeh Jubran
2018-12-10 15:34 ` Sameeh Jubran
2018-12-10 17:46 ` Michael S. Tsirkin
2018-12-11 15:50 ` Sameeh Jubran
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