From: Xiaoming Jiang <jiangxiaoming@outlook.com>
Date: Fri, 24 Mar 2023 02:33:00 +0000 (+0000)
Subject: session: fix session node switching to interrupt mode failded if no user events
X-Git-Tag: v23.10-rc0~112
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F46%2F38546%2F3;p=vpp.git

session: fix session node switching to interrupt mode failded if no user events

wrk->event_elts has 5 elements if no user events

Type: fix
Signed-off-by: Xiaoming Jiang <jiangxiaoming@outlook.com>
Change-Id: Ib38fab422304efc470e20ccb7121442f05bf8bf3
---

diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 6011704c8d0..b0f4a93ee76 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -1885,7 +1885,7 @@ session_wrk_update_state (session_worker_t *wrk)
 
   if (wrk->state == SESSION_WRK_POLLING)
     {
-      if (clib_llist_elts (wrk->event_elts) == 4 &&
+      if (clib_llist_elts (wrk->event_elts) == 5 &&
 	  vlib_last_vectors_per_main_loop (vm) < 1)
 	{
 	  session_wrk_set_state (wrk, SESSION_WRK_INTERRUPT);
@@ -1895,7 +1895,7 @@ session_wrk_update_state (session_worker_t *wrk)
     }
   else if (wrk->state == SESSION_WRK_INTERRUPT)
     {
-      if (clib_llist_elts (wrk->event_elts) > 4 ||
+      if (clib_llist_elts (wrk->event_elts) > 5 ||
 	  vlib_last_vectors_per_main_loop (vm) > 1)
 	{
 	  session_wrk_set_state (wrk, SESSION_WRK_POLLING);