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

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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>
This commit is contained in:
Philippe Guibert 2023-02-16 13:46:32 +01:00
parent 882d7b8179
commit 60e5bc23b9
2 changed files with 3 additions and 0 deletions
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2
bgpd/bgp_labelpool.h
View File

@ -74,6 +74,8 @@ struct bgp_label_per_nexthop_cache {
/* list of path_vrfs using it */ /* list of path_vrfs using it */
LIST_HEAD(path_lists, bgp_path_info) paths; LIST_HEAD(path_lists, bgp_path_info) paths;
time_t last_update;
/* Back pointer to the cache tree this entry belongs to. */ /* Back pointer to the cache tree this entry belongs to. */
struct bgp_label_per_nexthop_cache_head *tree; struct bgp_label_per_nexthop_cache_head *tree;
}; };

1
bgpd/bgp_mplsvpn.c
View File

@ -1472,6 +1472,7 @@ static mpls_label_t _vpn_leak_from_vrf_get_per_nexthop_label(
LIST_INSERT_HEAD(&(blnc->paths), pi, label_nh_thread); LIST_INSERT_HEAD(&(blnc->paths), pi, label_nh_thread);
pi->label_nexthop_cache = blnc; pi->label_nexthop_cache = blnc;
pi->label_nexthop_cache->path_count++; pi->label_nexthop_cache->path_count++;
blnc->last_update = monotime(NULL);
} }
/* then add or update the selected nexthop */ /* then add or update the selected nexthop */