From: Steven Luong <sluong@cisco.com>
Date: Tue, 13 Feb 2024 00:47:22 +0000 (-0800)
Subject: fib: contention with DP on deleting a route
X-Git-Tag: v24.10-rc0~267
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=58f37b21eace1c93ed5b20047cae4d0056cba376;p=vpp.git

fib: contention with DP on deleting a route

Add vlib_worker_wait_one_loop prior to invoking dpo_reset
upon uninstalling a fib entry to avoid contention with DP.

Type: fix

Change-Id: If2a6c4cb9b5629dd61e506ab9f9c3e6aef121b45
Signed-off-by: Steven Luong <sluong@cisco.com>
---

diff --git a/src/vnet/fib/fib_entry_src.c b/src/vnet/fib/fib_entry_src.c
index ff81f6bcddd..c79b745b5b5 100644
--- a/src/vnet/fib/fib_entry_src.c
+++ b/src/vnet/fib/fib_entry_src.c
@@ -757,6 +757,7 @@ fib_entry_src_action_uninstall (fib_entry_t *fib_entry)
 	    &fib_entry->fe_prefix,
 	    &fib_entry->fe_lb);
 
+	vlib_worker_wait_one_loop();
 	dpo_reset(&fib_entry->fe_lb);
     }
 }