ospfd: summarisation specific data structures.

Description:
Data structures definitions for summary route.

Signed-off-by: Rajesh Girada <rgirada@vmware.com>

1 files changed, 50 insertions, 1 deletions

diff --git a/ospfd/ospf_asbr.h b/ospfd/ospf_asbr.h
index ede6c4790..ec02fa15a 100644
--- a/ospfd/ospf_asbr.h
+++ b/ospfd/ospf_asbr.h
@@ -50,8 +50,57 @@ struct external_info {
 	route_tag_t orig_tag;
 
 	struct route_map_set_values route_map_set;
-#define ROUTEMAP_METRIC(E)      (E)->route_map_set.metric
+#define ROUTEMAP_METRIC(E) (E)->route_map_set.metric
 #define ROUTEMAP_METRIC_TYPE(E) (E)->route_map_set.metric_type
+
+	/* Back pointer to summary address */
+	struct ospf_external_aggr_rt *aggr_route;
+
+	/* To identify the routes to be originated
+	 * after a summary address deletion.
+	 */
+	bool to_be_processed;
+};
+
+#define OSPF_EXTL_AGGR_DEFAULT_DELAY 5
+
+#define OSPF_EXTERNAL_RT_COUNT(aggr)                                           \
+	(((struct ospf_external_aggr_rt *)aggr)->match_extnl_hash->count)
+
+enum ospf_aggr_action_t {
+	OSPF_ROUTE_AGGR_NONE = 0,
+	OSPF_ROUTE_AGGR_ADD,
+	OSPF_ROUTE_AGGR_DEL,
+	OSPF_ROUTE_AGGR_MODIFY
+};
+
+#define OSPF_SUCCESS 1
+#define OSPF_FAILURE 0
+#define OSPF_INVALID -1
+
+#define OSPF_EXTERNAL_AGGRT_NO_ADVERTISE 0x1
+#define OSPF_EXTERNAL_AGGRT_ORIGINATED 0x2
+
+/* Data structures for external route aggregator */
+struct ospf_external_aggr_rt {
+	/* Prefix. */
+	struct prefix_ipv4 p;
+
+	/* Bit 1 : Dont advertise.
+	 * Bit 2 : Originated as Type-5
+	 */
+	uint8_t flags;
+
+	/* Tag for summary route */
+	route_tag_t tag;
+
+	/* Action to be done at the delay
+	 * timer expairy.
+	 */
+	enum ospf_aggr_action_t action;
+
+	/* Hash Table of external routes */
+	struct hash *match_extnl_hash;
 };
 
 #define OSPF_ASBR_CHECK_DELAY 30