aboutsummaryrefslogtreecommitdiff
path: root/hw/net/virtio-net.c
diff options
context:
space:
mode:
authorCornelia Huck <cornelia.huck@de.ibm.com>2015-06-04 12:34:16 +0200
committerMichael S. Tsirkin <mst@redhat.com>2015-06-10 18:15:04 +0200
commitb6a3cddb22d3f0f729e267d45f350ae31bdebbcf (patch)
treeeb208e0e8d7ea366e6dd5a7d5090fff41c12e66a /hw/net/virtio-net.c
parent0b352fd680e1ca7827ddea47b5e9b603320913b6 (diff)
virtio-net: no writeable mac for virtio-1
Devices operating as virtio 1.0 may not allow writes to the mac address in config space. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/net/virtio-net.c')
-rw-r--r--hw/net/virtio-net.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 0d3bf0fb89..e2d2ab5bee 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -87,6 +87,7 @@ static void virtio_net_set_config(VirtIODevice *vdev, const uint8_t *config)
memcpy(&netcfg, config, n->config_size);
if (!virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_MAC_ADDR) &&
+ !virtio_has_feature(vdev, VIRTIO_F_VERSION_1) &&
memcmp(netcfg.mac, n->mac, ETH_ALEN)) {
memcpy(n->mac, netcfg.mac, ETH_ALEN);
qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);