Nest: Improve keeping track of IPv6 link-local addresses

[thirdparty/bird.git] / nest / iface.h

diff --git a/nest/iface.h b/nest/iface.h
index 56710e4a4b219d9d6329a0d2b75bb7e9d1d47b85..cf81660bf697e255f838425cc945b3fd77e198b6 100644 (file)
--- a/nest/iface.h
+++ b/nest/iface.h
@@ -34,8 +34,13 @@ struct iface {
   unsigned flags;
   unsigned mtu;
   unsigned index;                      /* OS-dependent interface index */
+  unsigned master_index;               /* Interface index of master iface */
   list addrs;                          /* Addresses assigned to this interface */
   struct ifa *addr;                    /* Primary address */
+#ifdef IPV6
+  struct ifa *llv6;                    /* Selected IPv6 link-local address */
+#endif
+  struct iface *master;                        /* Master iface (e.g. for VRF) */
   list neighbors;                      /* All neighbors on this interface */
 };
 
@@ -101,6 +106,16 @@ struct iface *if_find_by_name(char *);
 struct iface *if_get_by_name(char *);
 void ifa_recalc_all_primary_addresses(void);
 
+static inline struct ifa *
+ifa_llv6(struct iface *i UNUSED4)
+{
+#ifdef IPV6
+  return i->llv6;
+#else
+  return NULL;
+#endif
+}
+
 
 /* The Neighbor Cache */