}) ike_header_t;
/* *INDENT-ON* */
+#define ike_hdr_is_response(_h) ((_h)->flags & IKEV2_HDR_FLAG_RESPONSE)
+#define ike_hdr_is_request(_h) (!ike_hdr_is_response(_h))
+#define ike_hdr_is_initiator(_h) ((_h)->flags & IKEV2_HDR_FLAG_INITIATOR)
+#define ike_hdr_is_responder(_h) (!(ike_hdr_is_initiator(_h)))
+
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u8 nextpayload;