diff options
| -rw-r--r-- | vlib/vlib/node.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/vlib/vlib/node.c b/vlib/vlib/node.c index 4b8e3f74..e18567b4 100644 --- a/vlib/vlib/node.c +++ b/vlib/vlib/node.c @@ -449,11 +449,40 @@ vlib_register_node (vlib_main_t * vm, vlib_node_registration_t * r) return r->index; } +static uword +null_node_fn (vlib_main_t * vm, + vlib_node_runtime_t * node, vlib_frame_t * frame) +{ + u16 n_vectors = frame->n_vectors; + + vlib_node_increment_counter (vm, node->node_index, 0, n_vectors); + vlib_buffer_free (vm, vlib_frame_args (frame), n_vectors); + vlib_frame_free (vm, node, frame); + + return n_vectors; +} + void vlib_register_all_static_nodes (vlib_main_t * vm) { vlib_node_registration_t *r; + static char *null_node_error_strings[] = { + "blackholed packets", + }; + + static vlib_node_registration_t null_node_reg = { + .function = null_node_fn, + .vector_size = sizeof (u32), + .name = "null-node", + .n_errors = 1, + .error_strings = null_node_error_strings, + }; + + /* make sure that node index 0 is not used by + real node */ + register_node (vm, &null_node_reg); + r = vm->node_main.node_registrations; while (r) { |