135  * @down: PCIe downstream adapter
137  * If @down adapter is active, follows the tunnel to the PCIe upstream
141 struct tb_tunnel *tb_tunnel_discover_pci(struct tb *tb, struct tb_port *down)  in tb_tunnel_discover_pci()  argument
146 	if (!tb_pci_port_is_enabled(down))  in tb_tunnel_discover_pci()
154 	tunnel->src_port = down;  in tb_tunnel_discover_pci()
161 	path = tb_path_discover(down, TB_PCI_HOPID, NULL, -1,  in tb_tunnel_discover_pci()
165 		tb_pci_port_enable(down, false);  in tb_tunnel_discover_pci()
171 	path = tb_path_discover(tunnel->dst_port, -1, down, TB_PCI_HOPID, NULL,  in tb_tunnel_discover_pci()
172 				"PCIe Down");  in tb_tunnel_discover_pci()
185 	if (down != tunnel->src_port) {  in tb_tunnel_discover_pci()
211  * @down: PCIe downstream adapter port
219 				      struct tb_port *down)  in tb_tunnel_alloc_pci()  argument
229 	tunnel->src_port = down;  in tb_tunnel_alloc_pci()
232 	path = tb_path_alloc(tb, down, TB_PCI_HOPID, up, TB_PCI_HOPID, 0,  in tb_tunnel_alloc_pci()
233 			     "PCIe Down");  in tb_tunnel_alloc_pci()
241 	path = tb_path_alloc(tb, up, TB_PCI_HOPID, down, TB_PCI_HOPID, 0,  in tb_tunnel_alloc_pci()
879 static int tb_usb3_max_link_rate(struct tb_port *up, struct tb_port *down)  in tb_usb3_max_link_rate()  argument
888 	ret = usb4_usb3_port_max_link_rate(down);  in tb_usb3_max_link_rate()
1027  * @down: USB3 downstream adapter
1029  * If @down adapter is active, follows the tunnel to the USB3 upstream
1033 struct tb_tunnel *tb_tunnel_discover_usb3(struct tb *tb, struct tb_port *down)  in tb_tunnel_discover_usb3()  argument
1038 	if (!tb_usb3_port_is_enabled(down))  in tb_tunnel_discover_usb3()
1046 	tunnel->src_port = down;  in tb_tunnel_discover_usb3()
1053 	path = tb_path_discover(down, TB_USB3_HOPID, NULL, -1,  in tb_tunnel_discover_usb3()
1054 				&tunnel->dst_port, "USB3 Down");  in tb_tunnel_discover_usb3()
1057 		tb_usb3_port_enable(down, false);  in tb_tunnel_discover_usb3()
1063 	path = tb_path_discover(tunnel->dst_port, -1, down, TB_USB3_HOPID, NULL,  in tb_tunnel_discover_usb3()
1077 	if (down != tunnel->src_port) {  in tb_tunnel_discover_usb3()
1088 	if (!tb_route(down->sw)) {  in tb_tunnel_discover_usb3()
1095 		ret = usb4_usb3_port_allocated_bandwidth(down,  in tb_tunnel_discover_usb3()
1126  * @down: USB3 downstream adapter port
1138 				       struct tb_port *down, int max_up,  in tb_tunnel_alloc_usb3()  argument
1150 		max_rate = tb_usb3_max_link_rate(down, up);  in tb_tunnel_alloc_usb3()
1170 	tunnel->src_port = down;  in tb_tunnel_alloc_usb3()
1175 	path = tb_path_alloc(tb, down, TB_USB3_HOPID, up, TB_USB3_HOPID, 0,  in tb_tunnel_alloc_usb3()
1176 			     "USB3 Down");  in tb_tunnel_alloc_usb3()
1184 	path = tb_path_alloc(tb, up, TB_USB3_HOPID, down, TB_USB3_HOPID, 0,  in tb_tunnel_alloc_usb3()
1193 	if (!tb_route(down->sw)) {  in tb_tunnel_alloc_usb3()