From: Maxime Peim <mpeim@cisco.com>
Date: Thu, 15 Apr 2021 11:52:12 +0000 (+0200)
Subject: vlib: fix adaptive mode flag unset on nodes reforking
X-Git-Tag: v21.10-rc0~126
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=dde163d96f5051582e2e5b88b9c78169a827370c;p=vpp.git

vlib: fix adaptive mode flag unset on nodes reforking

The adaptive mode flag is being unset on
nodes reforking. The flag is copied in order
to avoid this issue.

Old flags are copied for all nodes.

Type: fix
Signed-off-by: Maxime Peim <mpeim@cisco.com>
Change-Id: Ic29b20fc0e4454ce4b3765c478f55bf650b4572a
---

diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index c65460e3234..7c796f5d0ea 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -1101,6 +1101,7 @@ vlib_worker_thread_node_refork (void)
 
 	  /* keep previous node state */
 	  new_n_clone->state = old_n_clone->state;
+	  new_n_clone->flags = old_n_clone->flags;
 	}
       vec_add1 (nm_clone->nodes, new_n_clone);
       new_n_clone++;
@@ -1132,6 +1133,7 @@ vlib_worker_thread_node_refork (void)
     {
       rt = vlib_node_get_runtime (vm_clone, old_rt[j].node_index);
       rt->state = old_rt[j].state;
+      rt->flags = old_rt[j].flags;
       clib_memcpy_fast (rt->runtime_data, old_rt[j].runtime_data,
 			VLIB_NODE_RUNTIME_DATA_SIZE);
     }
@@ -1162,6 +1164,7 @@ vlib_worker_thread_node_refork (void)
     {
       rt = vlib_node_get_runtime (vm_clone, old_rt[j].node_index);
       rt->state = old_rt[j].state;
+      rt->flags = old_rt[j].flags;
       clib_memcpy_fast (rt->runtime_data, old_rt[j].runtime_data,
 			VLIB_NODE_RUNTIME_DATA_SIZE);
     }
@@ -1189,6 +1192,7 @@ vlib_worker_thread_node_refork (void)
     {
       rt = vlib_node_get_runtime (vm_clone, old_rt[j].node_index);
       rt->state = old_rt[j].state;
+      rt->flags = old_rt[j].flags;
       clib_memcpy_fast (rt->runtime_data, old_rt[j].runtime_data,
 			VLIB_NODE_RUNTIME_DATA_SIZE);
     }