From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
yuanhan.liu@linux.intel.com, pbonzini@redhat.com,
Aaron Conole <aconole@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC v2 0/3] virtio-net: Add support to MTU feature
Date: Wed, 23 Nov 2016 06:26:41 +0200 [thread overview]
Message-ID: <20161123062418-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <5cbd7441-a1d1-7e34-56ff-33c2305736d4@redhat.com>
On Wed, Nov 23, 2016 at 11:42:52AM +0800, Jason Wang wrote:
> > > > > > > > Seems to me like an easy way to get out of sync.
> > > > > >
> > > > > >If we send it to the backend, that has a chance to check
> > > > > >mtu and disconnect on error.
> > > >
> > > >For vhost-user backend, we can send it the MTU value with a
> > > >vhost-user protocol feature.
> > > >
> > > >For tun/macvtap, how do you do without adding a new ioctl ?
> > Have management configure same mtu on the backend and in qemu.
> >
> >
>
> Then why not do same for vhost-user (instead of using two different
> methods)?
That's what I'm saying. If backend supports that, we can also
check the mtu in some way to make sure it matches.
--
MST
next prev parent reply other threads:[~2016-11-23 4:26 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-17 21:58 [Qemu-devel] [RFC v2 0/3] virtio-net: Add support to MTU feature Maxime Coquelin
2016-11-17 21:58 ` [Qemu-devel] [RFC v2 1/3] vhost-user: Add new protocol feature MTU Maxime Coquelin
2016-11-18 14:26 ` Aaron Conole
2016-11-21 12:50 ` Maxime Coquelin
2016-11-17 21:58 ` [Qemu-devel] [RFC v2 2/3] vhost-net: Add new MTU feature support Maxime Coquelin
2016-11-17 22:39 ` Michael S. Tsirkin
2016-11-21 12:51 ` Maxime Coquelin
2016-11-18 18:13 ` Aaron Conole
2016-11-17 21:58 ` [Qemu-devel] [RFC v2 3/3] virtio-net: Add " Maxime Coquelin
2016-11-17 22:38 ` Michael S. Tsirkin
2016-11-21 12:34 ` Maxime Coquelin
2016-11-21 16:48 ` Michael S. Tsirkin
2016-11-22 12:11 ` Maxime Coquelin
2016-11-22 14:18 ` Michael S. Tsirkin
2016-11-22 15:33 ` Maxime Coquelin
2016-11-17 22:34 ` [Qemu-devel] [RFC v2 0/3] virtio-net: Add support to MTU feature Michael S. Tsirkin
2016-11-18 6:42 ` John Fastabend
2016-11-18 18:15 ` Aaron Conole
2016-11-18 18:52 ` Maxime Coquelin
2016-11-18 19:21 ` Aaron Conole
2016-11-21 16:23 ` Michael S. Tsirkin
2016-11-22 4:07 ` Jason Wang
2016-11-22 7:40 ` Maxime Coquelin
2016-11-22 14:32 ` Aaron Conole
2016-11-22 14:41 ` Michael S. Tsirkin
2016-11-22 17:56 ` Maxime Coquelin
2016-11-22 20:38 ` Michael S. Tsirkin
2016-11-23 3:42 ` Jason Wang
2016-11-23 4:26 ` Michael S. Tsirkin [this message]
2016-11-23 14:02 ` Aaron Conole
2016-11-23 17:42 ` Michael S. Tsirkin
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