+/* The source or destination address in the outer IP header of a tunneled
+ * packet.
+ *
+ * For non-tunneled packets, the value is 0.
+ *
+ * Prereqs: None.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Fully maskable. */
+#define NXM_NX_TUN_IPV4_SRC NXM_HEADER (0x0001, 31, 4)
+#define NXM_NX_TUN_IPV4_SRC_W NXM_HEADER_W(0x0001, 31, 4)
+#define NXM_NX_TUN_IPV4_DST NXM_HEADER (0x0001, 32, 4)
+#define NXM_NX_TUN_IPV4_DST_W NXM_HEADER_W(0x0001, 32, 4)
+