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Diffstat (limited to 'hw/net/virtio-net.c')
-rw-r--r--hw/net/virtio-net.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index c4c49b0..6b5b5da 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -929,8 +929,9 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
vhost_net_save_acked_features(nc->peer);
}
- if (!virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN)) {
- memset(n->vlans, 0xff, MAX_VLAN >> 3);
+ if (virtio_has_feature(vdev->guest_features ^ features, VIRTIO_NET_F_CTRL_VLAN)) {
+ bool vlan = virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN);
+ memset(n->vlans, vlan ? 0 : 0xff, MAX_VLAN >> 3);
}
if (virtio_has_feature(features, VIRTIO_NET_F_STANDBY)) {
@@ -3942,6 +3943,7 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
n->mac_table.macs = g_malloc0(MAC_TABLE_ENTRIES * ETH_ALEN);
n->vlans = g_malloc0(MAX_VLAN >> 3);
+ memset(n->vlans, 0xff, MAX_VLAN >> 3);
nc = qemu_get_queue(n->nic);
nc->rxfilter_notify_enabled = 1;
@@ -4041,7 +4043,6 @@ static void virtio_net_reset(VirtIODevice *vdev)
memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN);
memcpy(&n->mac[0], &n->nic->conf->macaddr, sizeof(n->mac));
qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
- memset(n->vlans, 0, MAX_VLAN >> 3);
/* Flush any async TX */
for (i = 0; i < n->max_queue_pairs; i++) {