summary refs log tree commit diff stats
path: root/hw/virtio-net.h
diff options
context:
space:
mode:
Diffstat (limited to 'hw/virtio-net.h')
-rw-r--r--hw/virtio-net.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/virtio-net.h b/hw/virtio-net.h
index 291fa9da57..95587f7622 100644
--- a/hw/virtio-net.h
+++ b/hw/virtio-net.h
@@ -42,6 +42,7 @@
 #define VIRTIO_NET_F_STATUS     16      /* virtio_net_config.status available */
 #define VIRTIO_NET_F_CTRL_VQ    17      /* Control channel available */
 #define VIRTIO_NET_F_CTRL_RX    18      /* Control channel RX mode support */
+#define VIRTIO_NET_F_CTRL_VLAN  19      /* Control channel VLAN filtering */
 
 #define VIRTIO_NET_S_LINK_UP    1       /* Link is up */
 
@@ -135,4 +136,17 @@ struct virtio_net_ctrl_mac {
 #define VIRTIO_NET_CTRL_MAC    1
  #define VIRTIO_NET_CTRL_MAC_TABLE_SET        0
 
+/*
+ * Control VLAN filtering
+ *
+ * The VLAN filter table is controlled via a simple ADD/DEL interface.
+ * VLAN IDs not added may be filterd by the hypervisor.  Del is the
+ * opposite of add.  Both commands expect an out entry containing a 2
+ * byte VLAN ID.  VLAN filterting is available with the
+ * VIRTIO_NET_F_CTRL_VLAN feature bit.
+ */
+#define VIRTIO_NET_CTRL_VLAN       2
+ #define VIRTIO_NET_CTRL_VLAN_ADD             0
+ #define VIRTIO_NET_CTRL_VLAN_DEL             1
+
 #endif