node = vlib_get_node (vm, r->node_index);
fs = get_frame_size_info (nm, node->scalar_size, node->vector_size);
frame_index = vlib_frame_index (vm, f);
node = vlib_get_node (vm, r->node_index);
fs = get_frame_size_info (nm, node->scalar_size, node->vector_size);
frame_index = vlib_frame_index (vm, f);