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-rw-r--r--src/vlib/node.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/vlib/node.c b/src/vlib/node.c
index eecad2747ba..2cda0f06475 100644
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -151,6 +151,26 @@ vlib_node_runtime_update (vlib_main_t * vm, u32 node_index, u32 next_index)
vlib_worker_thread_barrier_release (vm);
}
+uword
+vlib_node_get_next (vlib_main_t * vm, uword node_index, uword next_node_index)
+{
+ vlib_node_main_t *nm = &vm->node_main;
+ vlib_node_t *node;
+ uword *p;
+
+ node = vec_elt (nm->nodes, node_index);
+
+ /* Runtime has to be initialized. */
+ ASSERT (nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED);
+
+ if ((p = hash_get (node->next_slot_by_node, next_node_index)))
+ {
+ return p[0];
+ }
+
+ return (~0);
+}
+
/* Add next node to given node in given slot. */
uword
vlib_node_add_next_with_slot (vlib_main_t * vm,