204 	struct tb_cfg_result res = { 0 };  in decode_error()  local
205 	res.response_route = get_route(pkg->header);  in decode_error()
206 	res.response_port = 0;  in decode_error()
207 	res.err = check_header(response, sizeof(*pkg), TB_CFG_PKG_ERROR,  in decode_error()
209 	if (res.err)  in decode_error()
210 		return res;  in decode_error()
215 	res.err = 1;  in decode_error()
216 	res.tb_error = pkg->error;  in decode_error()
217 	res.response_port = pkg->port;  in decode_error()
218 	return res;  in decode_error()
226 	struct tb_cfg_result res = { 0 };  in parse_header()  local
231 	res.response_port = 0; /* will be updated later for cfg_read/write */  in parse_header()
232 	res.response_route = get_route(*header);  in parse_header()
233 	res.err = check_header(pkg, len, type, route);  in parse_header()
234 	return res;  in parse_header()
238 			       const struct tb_cfg_result *res)  in tb_cfg_print_error()  argument
240 	WARN_ON(res->err != 1);  in tb_cfg_print_error()
241 	switch (res->tb_error) {  in tb_cfg_print_error()
253 			res->response_route, res->response_port);  in tb_cfg_print_error()
262 			res->response_route, res->response_port);  in tb_cfg_print_error()
266 			res->response_route, res->response_port);  in tb_cfg_print_error()
271 			res->response_route, res->response_port);  in tb_cfg_print_error()
339 	int res;  in tb_ctl_tx()  local
360 	res = ring_tx(ctl->tx, &pkg->frame);  in tb_ctl_tx()
361 	if (res) /* ring is stopped */  in tb_ctl_tx()
363 	return res;  in tb_ctl_tx()
444 	struct tb_cfg_result res;  in tb_ctl_rx()  local
457 	res = parse_header(pkg, length, type, route);  in tb_ctl_rx()
458 	if (!res.err)  in tb_ctl_rx()
461 	return res;  in tb_ctl_rx()
620 	struct tb_cfg_result res = { 0 };  in tb_cfg_read_raw()  local
632 	res.err = tb_ctl_tx(ctl, &request, sizeof(request), TB_CFG_PKG_READ);  in tb_cfg_read_raw()
633 	if (res.err)  in tb_cfg_read_raw()
634 		return res;  in tb_cfg_read_raw()
636 	res = tb_ctl_rx(ctl, &reply, 12 + 4 * length, timeout_msec, route,  in tb_cfg_read_raw()
638 	if (res.err)  in tb_cfg_read_raw()
639 		return res;  in tb_cfg_read_raw()
641 	res.response_port = reply.addr.port;  in tb_cfg_read_raw()
642 	res.err = check_config_address(reply.addr, space, offset, length);  in tb_cfg_read_raw()
643 	if (!res.err)  in tb_cfg_read_raw()
645 	return res;  in tb_cfg_read_raw()
657 	struct tb_cfg_result res = { 0 };  in tb_cfg_write_raw()  local
671 	res.err = tb_ctl_tx(ctl, &request, 12 + 4 * length, TB_CFG_PKG_WRITE);  in tb_cfg_write_raw()
672 	if (res.err)  in tb_cfg_write_raw()
673 		return res;  in tb_cfg_write_raw()
675 	res = tb_ctl_rx(ctl, &reply, sizeof(reply), timeout_msec, route,  in tb_cfg_write_raw()
677 	if (res.err)  in tb_cfg_write_raw()
678 		return res;  in tb_cfg_write_raw()
680 	res.response_port = reply.addr.port;  in tb_cfg_write_raw()
681 	res.err = check_config_address(reply.addr, space, offset, length);  in tb_cfg_write_raw()
682 	return res;  in tb_cfg_write_raw()
688 	struct tb_cfg_result res = tb_cfg_read_raw(ctl, buffer, route, port,  in tb_cfg_read()  local
690 	if (res.err == 1) {  in tb_cfg_read()
691 		tb_cfg_print_error(ctl, &res);  in tb_cfg_read()
694 	WARN(res.err, "tb_cfg_read: %d\n", res.err);  in tb_cfg_read()
695 	return res.err;  in tb_cfg_read()
701 	struct tb_cfg_result res = tb_cfg_write_raw(ctl, buffer, route, port,  in tb_cfg_write()  local
703 	if (res.err == 1) {  in tb_cfg_write()
704 		tb_cfg_print_error(ctl, &res);  in tb_cfg_write()
707 	WARN(res.err, "tb_cfg_write: %d\n", res.err);  in tb_cfg_write()
708 	return res.err;  in tb_cfg_write()
723 	struct tb_cfg_result res = tb_cfg_read_raw(ctl, &dummy, route, 0,  in tb_cfg_get_upstream_port()  local
726 	if (res.err == 1)  in tb_cfg_get_upstream_port()
728 	if (res.err)  in tb_cfg_get_upstream_port()
729 		return res.err;  in tb_cfg_get_upstream_port()
730 	return res.response_port;  in tb_cfg_get_upstream_port()