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Revert "virtio-net: unbreak self announcement and guest offloads after migration"

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This reverts commit 1f8828ef57.

Cc: qemu-stable@nongnu.org
Reported-by: Robin Geuze <robing@transip.nl>
Tested-by: Robin Geuze <robing@transip.nl>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2016-07-04 14:47:37 +03:00
parent 62cee1a28a
commit 6c6668232e
1 changed files with 17 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

40
hw/net/virtio-net.c
View file

@ -1542,33 +1542,11 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
{ {
VirtIONet *n = opaque; VirtIONet *n = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(n); VirtIODevice *vdev = VIRTIO_DEVICE(n);
int ret;
if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION) if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION)
return -EINVAL; return -EINVAL;
ret = virtio_load(vdev, f, version_id); return virtio_load(vdev, f, version_id);
if (ret) {
return ret;
}
if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) {
n->curr_guest_offloads = qemu_get_be64(f);
} else {
n->curr_guest_offloads = virtio_net_supported_guest_offloads(n);
}
if (peer_has_vnet_hdr(n)) {
virtio_net_apply_guest_offloads(n);
}
if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE) &&
virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) {
n->announce_counter = SELF_ANNOUNCE_ROUNDS;
timer_mod(n->announce_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL));
}
return 0;
} }
static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f, static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
@ -1665,6 +1643,16 @@ static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
} }
} }
if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_GUEST_OFFLOADS)) {
n->curr_guest_offloads = qemu_get_be64(f);
} else {
n->curr_guest_offloads = virtio_net_supported_guest_offloads(n);
}
if (peer_has_vnet_hdr(n)) {
virtio_net_apply_guest_offloads(n);
}
virtio_net_set_queues(n); virtio_net_set_queues(n);
/* Find the first multicast entry in the saved MAC filter */ /* Find the first multicast entry in the saved MAC filter */
@ -1682,6 +1670,12 @@ static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
qemu_get_subqueue(n->nic, i)->link_down = link_down; qemu_get_subqueue(n->nic, i)->link_down = link_down;
} }
if (virtio_vdev_has_feature(vdev, VIRTIO_NET_F_GUEST_ANNOUNCE) &&
virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) {
n->announce_counter = SELF_ANNOUNCE_ROUNDS;
timer_mod(n->announce_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL));
}
return 0; return 0;
} }