int ret, max_rate, allocate_up, allocate_down;
ret = usb4_usb3_port_actual_link_rate(tunnel->src_port);
- if (ret <= 0) {
- tb_tunnel_warn(tunnel, "tunnel is not up\n");
+ if (ret < 0) {
+ tb_tunnel_warn(tunnel, "failed to read actual link rate\n");
return;
+ } else if (!ret) {
+ /* Use maximum link rate if the link valid is not set */
+ ret = usb4_usb3_port_max_link_rate(tunnel->src_port);
+ if (ret < 0) {
+ tb_tunnel_warn(tunnel, "failed to read maximum link rate\n");
+ return;
+ }
}
+
/*
* 90% of the max rate can be allocated for isochronous
* transfers.