ospf6d: allow configuring PtP neighbors & cost

Add a list of configured neighbors for each interface.  Only stores cost
(and "existence") for now.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/ospf6d/ospf6_neighbor.h b/ospf6d/ospf6_neighbor.h
index f8bab6dc9..c6d81006e 100644
--- a/ospf6d/ospf6_neighbor.h
+++ b/ospf6d/ospf6_neighbor.h
@@ -6,8 +6,11 @@
 #ifndef OSPF6_NEIGHBOR_H
 #define OSPF6_NEIGHBOR_H
 
+#include "typesafe.h"
 #include "hook.h"
 
+#include "ospf6_message.h"
+
 /* Forward declaration(s). */
 struct ospf6_area;
 
@@ -52,6 +55,8 @@ struct ospf6_helper_info {
 	uint32_t rejected_reason;
 };
 
+struct ospf6_if_p2xp_neighcfg;
+
 /* Neighbor structure */
 struct ospf6_neighbor {
 	/* Neighbor Router ID String */
@@ -60,6 +65,11 @@ struct ospf6_neighbor {
 	/* OSPFv3 Interface this neighbor belongs to */
 	struct ospf6_interface *ospf6_if;
 
+	/* P2P/P2MP config for this neighbor.
+	 * can be NULL if not explicitly configured!
+	 */
+	struct ospf6_if_p2xp_neighcfg *p2xp_cfg;
+
 	/* Neighbor state */
 	uint8_t state;
 
@@ -140,6 +150,22 @@ struct ospf6_neighbor {
 	bool lls_present;
 };
 
+PREDECL_RBTREE_UNIQ(ospf6_if_p2xp_neighcfgs);
+
+struct ospf6_if_p2xp_neighcfg {
+	struct ospf6_if_p2xp_neighcfgs_item item;
+
+	struct ospf6_interface *ospf6_if;
+	struct in6_addr addr;
+
+	bool cfg_cost : 1;
+
+	uint32_t cost;
+
+	/* NULL if down */
+	struct ospf6_neighbor *active;
+};
+
 /* Neighbor state */
 #define OSPF6_NEIGHBOR_DOWN     1
 #define OSPF6_NEIGHBOR_ATTEMPT  2
@@ -193,6 +219,8 @@ void ospf6_neighbor_delete(struct ospf6_neighbor *on);
 void ospf6_neighbor_lladdr_set(struct ospf6_neighbor *on,
 			       const struct in6_addr *addr);
 
+uint32_t ospf6_neighbor_cost(struct ospf6_neighbor *on);
+
 /* Neighbor event */
 extern void hello_received(struct event *thread);
 extern void twoway_received(struct event *thread);
@@ -208,6 +236,8 @@ extern void ospf6_check_nbr_loading(struct ospf6_neighbor *on);
 
 extern void ospf6_neighbor_init(void);
 extern int config_write_ospf6_debug_neighbor(struct vty *vty);
+extern int config_write_ospf6_p2xp_neighbor(struct vty *vty,
+					    struct ospf6_interface *oi);
 extern void install_element_ospf6_debug_neighbor(void);
 
 DECLARE_HOOK(ospf6_neighbor_change,