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bgpd: backpressure - Improve debuggability

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Improve debuggability in backpressure code.

Ticket :#3980988

Signed-off-by: Rajasekar Raja <rajasekarr@nvidia.com>
(cherry picked from commit 186db96c06)
This commit is contained in:
Rajasekar Raja 2024-07-10 20:17:14 -07:00 committed by Mergify
parent 9f9c0bc244
commit 25d515cb25
1 changed files with 7 additions and 0 deletions
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7
bgpd/bgpd.c
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@ -3916,6 +3916,7 @@ int bgp_delete(struct bgp *bgp)
struct bgp_dest *dest_next = NULL; struct bgp_dest *dest_next = NULL;
struct bgp_table *dest_table = NULL; struct bgp_table *dest_table = NULL;
struct graceful_restart_info *gr_info; struct graceful_restart_info *gr_info;
uint32_t cnt_before, cnt_after;
assert(bgp); assert(bgp);
@ -3923,6 +3924,7 @@ int bgp_delete(struct bgp *bgp)
* Iterate the pending dest list and remove all the dest pertaininig to * Iterate the pending dest list and remove all the dest pertaininig to
* the bgp under delete. * the bgp under delete.
*/ */
cnt_before = zebra_announce_count(&bm->zebra_announce_head);
for (dest = zebra_announce_first(&bm->zebra_announce_head); dest; for (dest = zebra_announce_first(&bm->zebra_announce_head); dest;
dest = dest_next) { dest = dest_next) {
dest_next = zebra_announce_next(&bm->zebra_announce_head, dest); dest_next = zebra_announce_next(&bm->zebra_announce_head, dest);
@ -3934,6 +3936,11 @@ int bgp_delete(struct bgp *bgp)
} }
} }
cnt_after = zebra_announce_count(&bm->zebra_announce_head);
if (BGP_DEBUG(zebra, ZEBRA))
zlog_debug("Zebra Announce Fifo cleanup count before %u and after %u during BGP %s deletion",
cnt_before, cnt_after, bgp->name_pretty);
bgp_soft_reconfig_table_task_cancel(bgp, NULL, NULL); bgp_soft_reconfig_table_task_cancel(bgp, NULL, NULL);
/* make sure we withdraw any exported routes */ /* make sure we withdraw any exported routes */