491 					struct tb_port *src_port,  in tb_find_tunnel()  argument
499 		    ((src_port && src_port == tunnel->src_port) ||  in tb_find_tunnel()
509 						   struct tb_port *src_port,  in tb_find_first_usb3_tunnel()  argument
516 	if (tb_port_path_direction_downstream(src_port, dst_port))  in tb_find_first_usb3_tunnel()
519 		sw = src_port->sw;  in tb_find_first_usb3_tunnel()
552 					   struct tb_port *src_port,  in tb_consumed_usb3_pcie_bandwidth()  argument
563 	tunnel = tb_find_first_usb3_tunnel(tb, src_port, dst_port);  in tb_consumed_usb3_pcie_bandwidth()
564 	if (tunnel && !tb_port_is_usb3_down(src_port) &&  in tb_consumed_usb3_pcie_bandwidth()
606 				    struct tb_port *src_port,  in tb_consumed_dp_bandwidth()  argument
642 		group = tunnel->src_port->group;  in tb_consumed_dp_bandwidth()
651 		if (tunnel->src_port == src_port &&  in tb_consumed_dp_bandwidth()
664 	downstream = tb_port_path_direction_downstream(src_port, dst_port);  in tb_consumed_dp_bandwidth()
675 static bool tb_asym_supported(struct tb_port *src_port, struct tb_port *dst_port,  in tb_asym_supported()  argument
678 	bool downstream = tb_port_path_direction_downstream(src_port, dst_port);  in tb_asym_supported()
707 static int tb_maximum_bandwidth(struct tb *tb, struct tb_port *src_port,  in tb_maximum_bandwidth()  argument
711 	bool downstream = tb_port_path_direction_downstream(src_port, dst_port);  in tb_maximum_bandwidth()
718 	if (!tb_asym_supported(src_port, dst_port, port))  in tb_maximum_bandwidth()
815 static int tb_available_bandwidth(struct tb *tb, struct tb_port *src_port,  in tb_available_bandwidth()  argument
826 	tb_for_each_port_on_path(src_port, dst_port, port) {  in tb_available_bandwidth()
832 		ret = tb_maximum_bandwidth(tb, src_port, dst_port, port,  in tb_available_bandwidth()
837 		ret = tb_consumed_usb3_pcie_bandwidth(tb, src_port, dst_port,  in tb_available_bandwidth()
845 		ret = tb_consumed_dp_bandwidth(tb, src_port, dst_port, port,  in tb_available_bandwidth()
867 					    struct tb_port *src_port,  in tb_release_unused_usb3_bandwidth()  argument
872 	tunnel = tb_find_first_usb3_tunnel(tb, src_port, dst_port);  in tb_release_unused_usb3_bandwidth()
876 static void tb_reclaim_usb3_bandwidth(struct tb *tb, struct tb_port *src_port,  in tb_reclaim_usb3_bandwidth()  argument
882 	tunnel = tb_find_first_usb3_tunnel(tb, src_port, dst_port);  in tb_reclaim_usb3_bandwidth()
892 	ret = tb_available_bandwidth(tb, tunnel->src_port, tunnel->dst_port,  in tb_reclaim_usb3_bandwidth()
1039 static int tb_configure_asym(struct tb *tb, struct tb_port *src_port,  in tb_configure_asym()  argument
1051 	downstream = tb_port_path_direction_downstream(src_port, dst_port);  in tb_configure_asym()
1056 		sw = src_port->sw;  in tb_configure_asym()
1058 	tb_for_each_upstream_port_on_path(src_port, dst_port, up) {  in tb_configure_asym()
1063 		ret = tb_consumed_dp_bandwidth(tb, src_port, dst_port, up,  in tb_configure_asym()
1147 static int tb_configure_sym(struct tb *tb, struct tb_port *src_port,  in tb_configure_sym()  argument
1158 	downstream = tb_port_path_direction_downstream(src_port, dst_port);  in tb_configure_sym()
1163 		sw = src_port->sw;  in tb_configure_sym()
1165 	tb_for_each_upstream_port_on_path(src_port, dst_port, up) {  in tb_configure_sym()
1175 		ret = tb_consumed_dp_bandwidth(tb, src_port, dst_port, up,  in tb_configure_sym()
1465 				first_tunnel->src_port, first_tunnel->dst_port);  in tb_recalc_estimated_bandwidth_for_group()
1509 		tb_reclaim_usb3_bandwidth(tb, first_tunnel->src_port,  in tb_recalc_estimated_bandwidth_for_group()
1638 		if (tunnel->src_port->sw == in->sw &&  in tb_attach_bandwidth_group()
1640 			group = tunnel->src_port->group;  in tb_attach_bandwidth_group()
1705 			while (parent != tunnel->src_port->sw) {  in tb_discover_tunnels()
1710 			struct tb_port *in = tunnel->src_port;  in tb_discover_tunnels()
1724 	struct tb_port *src_port, *dst_port;  in tb_deactivate_and_free_tunnel()  local
1734 	src_port = tunnel->src_port;  in tb_deactivate_and_free_tunnel()
1739 		tb_detach_bandwidth_group(src_port);  in tb_deactivate_and_free_tunnel()
1744 		tb_switch_dealloc_dp_resource(src_port->sw, src_port);  in tb_deactivate_and_free_tunnel()
1749 		tb_configure_sym(tb, src_port, dst_port, true);  in tb_deactivate_and_free_tunnel()
1753 		pm_runtime_mark_last_busy(&src_port->sw->dev);  in tb_deactivate_and_free_tunnel()
1754 		pm_runtime_put_autosuspend(&src_port->sw->dev);  in tb_deactivate_and_free_tunnel()
1758 		tb_reclaim_usb3_bandwidth(tb, src_port, dst_port);  in tb_deactivate_and_free_tunnel()
1908 	struct tb_port *in = tunnel->src_port;  in tb_dp_tunnel_active()
1946 		struct tb_port *in = tunnel->src_port;  in tb_dp_tunnel_active()
2384 		if (tunnel->src_port != nhi_port || tunnel->dst_port != dst_port)  in __tb_disconnect_xdomain_paths()
2548 	in = tunnel->src_port;  in tb_alloc_dp_bandwidth()