Index: src/router/quagga/ospf6d/ospf6_intra.h
===================================================================
--- src/router/quagga/ospf6d/ospf6_intra.h	(revision 12634)
+++ src/router/quagga/ospf6d/ospf6_intra.h	(revision 18797)
@@ -70,4 +70,5 @@
 
 /* Router-LSA */
+#define OSPF6_ROUTER_LSA_MIN_SIZE              4U
 struct ospf6_router_lsa
 {
@@ -78,4 +79,5 @@
 
 /* Link State Description in Router-LSA */
+#define OSPF6_ROUTER_LSDESC_FIX_SIZE          16U
 struct ospf6_router_lsdesc
 {
@@ -106,4 +108,5 @@
 
 /* Network-LSA */
+#define OSPF6_NETWORK_LSA_MIN_SIZE             4U
 struct ospf6_network_lsa
 {
@@ -114,4 +117,5 @@
 
 /* Link State Description in Router-LSA */
+#define OSPF6_NETWORK_LSDESC_FIX_SIZE          4U
 struct ospf6_network_lsdesc
 {
@@ -122,4 +126,5 @@
 
 /* Link-LSA */
+#define OSPF6_LINK_LSA_MIN_SIZE               24U /* w/o 1st IPv6 prefix */
 struct ospf6_link_lsa
 {
@@ -132,4 +137,5 @@
 
 /* Intra-Area-Prefix-LSA */
+#define OSPF6_INTRA_PREFIX_LSA_MIN_SIZE       12U /* w/o 1st IPv6 prefix */
 struct ospf6_intra_prefix_lsa
 {