diff --git a/lib/port/rte_swx_port.h b/lib/port/rte_swx_port.h
index 5e29100f59..1dbd95ae87 100644
--- a/lib/port/rte_swx_port.h
+++ b/lib/port/rte_swx_port.h
@@ -185,12 +185,18 @@ typedef void
 
 /** Output port statistics counters. */
 struct rte_swx_port_out_stats {
-	/** Number of packets. */
+	/** Number of packets successfully transmitted. */
 	uint64_t n_pkts;
 
-	/** Number of bytes. */
+	/** Number of bytes successfully transmitted. */
 	uint64_t n_bytes;
 
+	/** Number of packets dropped. */
+	uint64_t n_pkts_drop;
+
+	/** Number of bytes dropped. */
+	uint64_t n_bytes_drop;
+
 	/** Number of packets cloned successfully. */
 	uint64_t n_pkts_clone;