u8 *block_start = apif->rx_ring + block * block_size;
uword n_trace = vlib_get_trace_count (vm, node);
u32 thread_index = vm->thread_index;
- u32 n_buffer_bytes = vlib_buffer_free_list_buffer_size (vm,
- VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
+ u32 n_buffer_bytes = VLIB_BUFFER_DATA_SIZE;
u32 min_bufs = apif->rx_req->tp_frame_size / n_buffer_bytes;
if (apif->per_interface_next_index != ~0)