1 files changed, 5 insertions, 1 deletions
diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h
index 7ae0495d9e..e4c22db4ff 100644
--- a/hw/net/rocker/rocker.h
+++ b/hw/net/rocker/rocker.h
@@ -66,11 +66,15 @@ static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr)
     return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
 }
 
-typedef struct rocker Rocker;
 typedef struct world World;
 typedef struct desc_info DescInfo;
 typedef struct desc_ring DescRing;
 
+#define TYPE_ROCKER "rocker"
+typedef struct rocker Rocker;
+#define ROCKER(obj) \
+    OBJECT_CHECK(Rocker, (obj), TYPE_ROCKER)
+
 Rocker *rocker_find(const char *name);
 uint32_t rocker_fp_ports(Rocker *r);
 int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up);