X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvlib%2Fnode.c;h=cc1732bb90d133626ae22c136600772f26161141;hb=812b32dd8f637118bf65de2cdff0e95b421a963b;hp=17dd2ea87d42e76271fb37d3be1e7cf61ec60812;hpb=04e0bb2ff0f39dab45da01ecdbc7914035a36897;p=vpp.git

diff --git a/src/vlib/node.c b/src/vlib/node.c
index 17dd2ea87d4..cc1732bb90d 100644
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -324,6 +324,26 @@ register_node (vlib_main_t * vm, vlib_node_registration_t * r)
       ASSERT (VLIB_NODE_TYPE_INTERNAL == zero.type);
     }
 
+  if (r->node_fn_registrations)
+    {
+      vlib_node_fn_registration_t *fnr = r->node_fn_registrations;
+      int priority = -1;
+
+      /* to avoid confusion, please remove ".function " statiement from
+         CLIB_NODE_REGISTRATION() if using function function candidates */
+      ASSERT (r->function == 0);
+
+      while (fnr)
+	{
+	  if (fnr->priority > priority)
+	    {
+	      priority = fnr->priority;
+	      r->function = fnr->function;
+	    }
+	  fnr = fnr->next_registration;
+	}
+    }
+
   ASSERT (r->function != 0);
 
   n = clib_mem_alloc_no_fail (sizeof (n[0]));