Define NGTCP2_MAX_PMTUD_UDP_PAYLOAD_SIZE
@@ -325,6 +325,14 @@ typedef struct ngtcp2_mem {
*/
#define NGTCP2_MAX_UDP_PAYLOAD_SIZE 1200
+/**
+ * @macro
+ *
+ * :macro:`NGTCP2_MAX_PMTUD_UDP_PAYLOAD_SIZE` is the maximum UDP
+ * datagram payload size that Path MTU Discovery can discover.
+ */
+#define NGTCP2_MAX_PMTUD_UDP_PAYLOAD_SIZE 1452
+
/**
* @macrosection
*
