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Re: [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop |
Date: |
Wed, 3 Jun 2015 10:42:59 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Wed, Jun 03, 2015 at 09:56:57AM +0200, Thibaut Collet wrote:
> thanks for your point, I did not notice the problem of the lost of ARP
> announce by discarding the message.
> So I must rewrite my patch to define a queue to transmit the ARP announce
> to the guest. Is it the proper solution?
I'm not sure if vhost-user is designed to support live migration in the
first place. It's only worth adding ARP packet injection support if
live migration is supported with vhost-user.
You don't need to define a queue, instead implement the .receive()
function for vhost-user and invoke a new virtio-net-specific vhost-user
request type that injects a packet (independent of the tx virtqueue).
Stefan
pgpholc5XgAqa.pgp
Description: PGP signature
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, (continued)
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Thibaut Collet, 2015/06/08
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Thibaut Collet, 2015/06/08
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Michael S. Tsirkin, 2015/06/08
- Re: [Qemu-devel] [PATCH v2] net: Add support of VIRTIO_NET_F_GUEST_ANNOUNCE for vhost-net/vhost-user, Stefan Hajnoczi, 2015/06/08
- Re: [Qemu-devel] [PATCH 1/1] net: fix queue's purge on VM stop,
Stefan Hajnoczi <=