ospf6d: implement Type-7 default routes for NSSA areas

Add the "default-information-originate" option to the "area X nssa"
command. That option allows the origination of Type-7 default routes
on NSSA ABRs and ASBRs.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/ospf6d/ospf6_area.h b/ospf6d/ospf6_area.h
index 43ac60b261..77cbad8b9e 100644
--- a/ospf6d/ospf6_area.h
+++ b/ospf6d/ospf6_area.h
@@ -52,6 +52,13 @@ struct ospf6_area {
 	/* Area type */
 	int no_summary;
 
+	/* NSSA default-information-originate */
+	struct {
+		bool enabled;
+		int metric_type;
+		int metric_value;
+	} nssa_default_originate;
+
 	/* Brouter traversal protection */
 	bool intra_brouter_calc;