Function netdump_flush_buf

freebsd/netinet/netdump/netdump_client.c:202–218

* Flush any buffered vmcore data. */

 * Flush any buffered vmcore data.
 */
static int
netdump_flush_buf(void)
{
	int error;

	error = 0;
	if (nd_conf.nd_buf_len != 0) {
		struct debugnet_proto_aux auxdata = {
			.dp_offset_start = nd_conf.nd_tx_off,
		};
		error = debugnet_send(nd_conf.nd_pcb, DEBUGNET_DATA, nd_buf,
		    nd_conf.nd_buf_len, &auxdata);
		if (error == 0)
			nd_conf.nd_buf_len = 0;
	}
	return (error);
}

/*
 * Callback from dumpsys() to dump a chunk of memory.