4 files changed, 22 insertions, 2 deletions
diff --git a/hw/net/vhost_net-stub.c b/hw/net/vhost_net-stub.c
index 66ed5f0..72df6d7 100644
--- a/hw/net/vhost_net-stub.c
+++ b/hw/net/vhost_net-stub.c
@@ -82,6 +82,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
 {
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return false;
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+}
+
 int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
 {
     return -1;
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 984b130..c4eecc6 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -487,6 +487,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
     vhost_virtqueue_mask(&net->dev, dev, idx, mask);
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return vhost_config_pending(&net->dev);
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+    vhost_config_mask(&net->dev, dev, mask);
+}
 VHostNetState *get_vhost_net(NetClientState *nc)
 {
     VHostNetState *vhost_net = 0;
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 0bfe454..f191e30 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -3332,7 +3332,7 @@ static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
      */
 
     if (idx == VIRTIO_CONFIG_IRQ_IDX) {
-        return false;
+        return vhost_net_config_pending(get_vhost_net(nc->peer));
     }
     return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
 }
@@ -3364,9 +3364,9 @@ static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
      */
 
     if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        vhost_net_config_mask(get_vhost_net(nc->peer), vdev, mask);
         return;
     }
-
     vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask);
 }
 
diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h
index dfb1375..c37aba3 100644
--- a/include/net/vhost_net.h
+++ b/include/net/vhost_net.h
@@ -39,6 +39,8 @@ int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
 bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
                               int idx, bool mask);
+bool vhost_net_config_pending(VHostNetState *net);
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask);
 int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
 VHostNetState *get_vhost_net(NetClientState *nc);