diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 8f8868d..3761688 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -249,6 +249,11 @@
 		slave_dev->hard_start_xmit = edsa_xmit;
 		break;
 #endif
+#ifdef CONFIG_NET_DSA_TAG_TRAILER
+	case htons(ETH_P_TRAILER):
+		slave_dev->hard_start_xmit = trailer_xmit;
+		break;
+#endif
 	default:
 		BUG();
 	}