Improve feature arc order constraint specification

[vpp.git] / src / vnet / feature / feature.c

diff --git a/src/vnet/feature/feature.c b/src/vnet/feature/feature.c
index 6525bcb..2cdbcff 100644 (file)
--- a/src/vnet/feature/feature.c
+++ b/src/vnet/feature/feature.c
@@ -24,6 +24,7 @@ vnet_feature_init (vlib_main_t * vm)
   vnet_feature_main_t *fm = &feature_main;
   vnet_feature_registration_t *freg;
   vnet_feature_arc_registration_t *areg;
+  vnet_feature_constraint_registration_t *creg;
   u32 arc_index = 0;
 
   fm->arc_index_by_name = hash_create_string (0, sizeof (uword));
@@ -58,6 +59,7 @@ vnet_feature_init (vlib_main_t * vm)
   vec_validate (fm->next_feature_by_name, arc_index - 1);
   vec_validate (fm->sw_if_index_has_features, arc_index - 1);
   vec_validate (fm->feature_count_by_sw_if_index, arc_index - 1);
+  vec_validate (fm->next_constraint_by_arc, arc_index - 1);
 
   freg = fm->next_feature;
   while (freg)
@@ -82,6 +84,31 @@ vnet_feature_init (vlib_main_t * vm)
       freg = next;
     }
 
+  /* Move bulk constraints to the constraint by arc lists */
+  creg = fm->next_constraint;
+  while (creg)
+    {
+      vnet_feature_constraint_registration_t *next;
+      uword *p = hash_get_mem (fm->arc_index_by_name, creg->arc_name);
+      if (p == 0)
+       {
+         /* Don't start vpp with broken features arcs */
+         clib_warning ("Unknown feature arc '%s'", creg->arc_name);
+         os_exit (1);
+       }
+
+      areg = uword_to_pointer (p[0], vnet_feature_arc_registration_t *);
+      arc_index = areg->feature_arc_index;
+
+      next = creg->next;
+      creg->next_in_arc = fm->next_constraint_by_arc[arc_index];
+      fm->next_constraint_by_arc[arc_index] = creg;
+
+      /* next */
+      creg = next;
+    }
+
+
   areg = fm->next_arc;
   while (areg)
     {
@@ -92,11 +119,11 @@ vnet_feature_init (vlib_main_t * vm)
       arc_index = areg->feature_arc_index;
       cm = &fm->feature_config_mains[arc_index];
       vcm = &cm->config_main;
-      if ((error = vnet_feature_arc_init (vm, vcm,
-                                         areg->start_nodes,
-                                         areg->n_start_nodes,
-                                         fm->next_feature_by_arc[arc_index],
-                                         &fm->feature_nodes[arc_index])))
+      if ((error = vnet_feature_arc_init
+          (vm, vcm, areg->start_nodes, areg->n_start_nodes,
+           fm->next_feature_by_arc[arc_index],
+           fm->next_constraint_by_arc[arc_index],
+           &fm->feature_nodes[arc_index])))
        {
          clib_error_report (error);
          os_exit (1);