ether/usb_ecm/ECMDevice.cpp

102 	// reset the device by switching the data interface to the disabled first
103 	// interface and then enable it by setting the second actual data interface
108 		&config->interface[fDataInterfaceIndex].alt[0]);
113 		&config->interface[fDataInterfaceIndex].alt[1]);
115 		&config->interface[fControlInterfaceIndex].alt[0]);
119 	usb_interface_info *interface = config->interface[fDataInterfaceIndex].active;
120 	if (interface->endpoint_count < 2) {
121 		TRACE_ALWAYS("setting the data alternate interface failed\n");
125 	if (!(interface->endpoint[0].descr->endpoint_address & USB_ENDPOINT_ADDR_DIR_IN))
126 		fWriteEndpoint = interface->endpoint[0].handle;
128 		fReadEndpoint = interface->endpoint[0].handle;
130 	if (interface->endpoint[1].descr->endpoint_address & USB_ENDPOINT_ADDR_DIR_IN)
131 		fReadEndpoint = interface->endpoint[1].handle;
133 		fWriteEndpoint = interface->endpoint[1].handle;
167 	// interface to the disabled alternate
172 		&config->interface[fDataInterfaceIndex].alt[0]);
398 			const usb_interface_info *interface = config->interface[j].active;
399 			usb_interface_descriptor *descriptor = interface->descr;
402 				|| interface->generic_count == 0) {
409 			for (size_t k = 0; k < interface->generic_count; k++) {
410 				usb_generic_descriptor *generic = &interface->generic[k]->generic;
446 		TRACE_ALWAYS("control interface index invalid\n");
450 	// check that the indicated control interface fits our needs
451 	usb_interface_info *interface = config->interface[controlIndex].active;
452 	usb_interface_descriptor *descriptor = interface->descr;
455 		|| interface->endpoint_count == 0) {
456 		TRACE_ALWAYS("control interface invalid\n");
461 	fNotifyEndpoint = interface->endpoint[0].handle;
462 	fNotifyBufferLength = interface->endpoint[0].descr->max_packet_size;
465 		TRACE_ALWAYS("data interface index invalid\n");
469 	// check that the indicated data interface fits our needs
470 	if (config->interface[dataIndex].alt_count < 2) {
471 		TRACE_ALWAYS("data interface does not provide two alternate interfaces\n");
475 	// alternate 0 is the disabled, endpoint-less default interface
476 	interface = &config->interface[dataIndex].alt[1];
477 	descriptor = interface->descr;
479 		|| interface->endpoint_count < 2) {
480 		TRACE_ALWAYS("data interface invalid\n");