* * 0: Inner packet is not modified.
*/
uint32_t dec_ttl : 1;
+
+ /**< Explicit Congestion Notification (ECN)
+ *
+ * * 1: In tunnel mode, enable outer header ECN Field copied from
+ * inner header in tunnel encapsulation, or inner header ECN
+ * field construction in decapsulation.
+ * * 0: Inner/outer header are not modified.
+ */
+ uint32_t ecn : 1;
};
/** IPSec security association direction */