Run interior graph nodes before process nodes

[vpp.git] / src / vlib / main.c

diff --git a/src/vlib/main.c b/src/vlib/main.c
index e4c4438..6783068 100644 (file)
--- a/src/vlib/main.c
+++ b/src/vlib/main.c
@@ -1547,6 +1547,13 @@ vlib_main_or_worker_loop (vlib_main_t * vm, int is_main)
              }
          }
       }
+      /* Input nodes may have added work to the pending vector.
+         Process pending vector until there is nothing left.
+         All pending vectors will be processed from input -> output. */
+      for (i = 0; i < _vec_len (nm->pending_frames); i++)
+       cpu_time_now = dispatch_pending_node (vm, i, cpu_time_now);
+      /* Reset pending vector for next iteration. */
+      _vec_len (nm->pending_frames) = 0;
 
       if (is_main)
        {
@@ -1565,7 +1572,6 @@ vlib_main_or_worker_loop (vlib_main_t * vm, int is_main)
            {
              uword i;
 
-           processes_timing_wheel_data:
              for (i = 0; i < _vec_len (nm->data_from_advancing_timing_wheel);
                   i++)
                {
@@ -1608,19 +1614,6 @@ vlib_main_or_worker_loop (vlib_main_t * vm, int is_main)
              _vec_len (nm->data_from_advancing_timing_wheel) = 0;
            }
        }
-
-      /* Input nodes may have added work to the pending vector.
-         Process pending vector until there is nothing left.
-         All pending vectors will be processed from input -> output. */
-      for (i = 0; i < _vec_len (nm->pending_frames); i++)
-       cpu_time_now = dispatch_pending_node (vm, i, cpu_time_now);
-      /* Reset pending vector for next iteration. */
-      _vec_len (nm->pending_frames) = 0;
-
-      /* Pending internal nodes may resume processes. */
-      if (is_main && _vec_len (nm->data_from_advancing_timing_wheel) > 0)
-       goto processes_timing_wheel_data;
-
       vlib_increment_main_loop_counter (vm);
 
       /* Record time stamp in case there are no enabled nodes and above
@@ -1678,6 +1671,18 @@ dummy_queue_signal_callback (vlib_main_t * vm)
 {
 }
 
+#define foreach_weak_reference_stub             \
+_(vlib_map_stat_segment_init)                   \
+_(vpe_api_init)                                 \
+_(vlibmemory_init)                              \
+_(map_api_segment_init)
+
+#define _(name)                                                 \
+clib_error_t *name (vlib_main_t *vm) __attribute__((weak));     \
+clib_error_t *name (vlib_main_t *vm) { return 0; }
+foreach_weak_reference_stub;
+#undef _
+
 /* Main function. */
 int
 vlib_main (vlib_main_t * volatile vm, unformat_input_t * input)
@@ -1717,7 +1722,7 @@ vlib_main (vlib_main_t * volatile vm, unformat_input_t * input)
       goto done;
     }
 
-  if ((error = vlib_call_init_function (vm, map_stat_segment_init)))
+  if ((error = vlib_map_stat_segment_init (vm)))
     {
       clib_error_report (error);
       goto done;
@@ -1742,19 +1747,20 @@ vlib_main (vlib_main_t * volatile vm, unformat_input_t * input)
        goto done;
     }
 
-  if ((error = vlib_call_init_function (vm, vpe_api_init)))
+  /* Direct call / weak reference, for vlib standalone use-cases */
+  if ((error = vpe_api_init (vm)))
     {
       clib_error_report (error);
       goto done;
     }
 
-  if ((error = vlib_call_init_function (vm, vlibmemory_init)))
+  if ((error = vlibmemory_init (vm)))
     {
       clib_error_report (error);
       goto done;
     }
 
-  if ((error = vlib_call_init_function (vm, map_api_segment_init)))
+  if ((error = map_api_segment_init (vm)))
     {
       clib_error_report (error);
       goto done;