+/* Link-Local-Signaling */
+#define OSPF_LLS_HDRLEN 4U /* RFC5613 Section 2.2 */
+
+#define OSPF_LLS_EO 1 /* RFC4811, RFC4812 */
+#define OSPF_LLS_MD5 2 /* RFC4813 */
+
+#define OSPF_LLS_EO_LR 0x00000001 /* RFC4811 */
+#define OSPF_LLS_EO_RS 0x00000002 /* RFC4812 */
+
+/*
+ * TOS metric struct (will be 0 or more in router links update)
+ */
+struct tos_metric {
+ nd_uint8_t tos_type;
+ nd_uint8_t reserved;
+ nd_uint16_t tos_metric;
+};
+struct tos_link {
+ nd_uint8_t link_type;
+ nd_uint8_t link_tos_count;
+ nd_uint16_t tos_metric;
+};
+union un_tos {
+ struct tos_link link;
+ struct tos_metric metrics;
+};
+