bgpd: update time of last change when label nexthop entry changed

A timer attribute is added for each label nexthop entry, in order
to know when the last change occured.
The timer value will be used for troubleshooting by a show
command in the next commit.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/bgpd/bgp_labelpool.h b/bgpd/bgp_labelpool.h
index c26d9cd8cf..9e984247d7 100644
--- a/bgpd/bgp_labelpool.h
+++ b/bgpd/bgp_labelpool.h
@@ -74,6 +74,8 @@ struct bgp_label_per_nexthop_cache {
 	/* list of path_vrfs using it */
 	LIST_HEAD(path_lists, bgp_path_info) paths;
 
+	time_t last_update;
+
 	/* Back pointer to the cache tree this entry belongs to. */
 	struct bgp_label_per_nexthop_cache_head *tree;
 };