368 static void ecm_do_notify(struct f_ecm *ecm)  in ecm_do_notify()  argument
370 	struct usb_request		*req = ecm->notify_req;  in ecm_do_notify()
372 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_do_notify()
377 	if (atomic_read(&ecm->notify_count))  in ecm_do_notify()
381 	switch (ecm->notify_state) {  in ecm_do_notify()
387 		if (ecm->is_open)  in ecm_do_notify()
394 		DBG(cdev, "notify connect %s\n", str_true_false(ecm->is_open));  in ecm_do_notify()
395 		ecm->notify_state = ECM_NOTIFY_SPEED;  in ecm_do_notify()
410 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_do_notify()
414 	event->wIndex = cpu_to_le16(ecm->ctrl_id);  in ecm_do_notify()
416 	atomic_inc(&ecm->notify_count);  in ecm_do_notify()
417 	status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC);  in ecm_do_notify()
419 		atomic_dec(&ecm->notify_count);  in ecm_do_notify()
424 static void ecm_notify(struct f_ecm *ecm)  in ecm_notify()  argument
431 	ecm->notify_state = ECM_NOTIFY_CONNECT;  in ecm_notify()
432 	ecm_do_notify(ecm);  in ecm_notify()
437 	struct f_ecm			*ecm = req->context;  in ecm_notify_complete()  local
438 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_notify_complete()
444 		atomic_dec(&ecm->notify_count);  in ecm_notify_complete()
448 		atomic_set(&ecm->notify_count, 0);  in ecm_notify_complete()
449 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_notify_complete()
454 		atomic_dec(&ecm->notify_count);  in ecm_notify_complete()
457 	ecm_do_notify(ecm);  in ecm_notify_complete()
462 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_setup()  local
479 		if (w_length != 0 || w_index != ecm->ctrl_id)  in ecm_setup()
486 		ecm->port.cdc_filter = w_value;  in ecm_setup()
527 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_set_alt()  local
531 	if (intf == ecm->ctrl_id) {  in ecm_set_alt()
536 		usb_ep_disable(ecm->notify);  in ecm_set_alt()
537 		if (!(ecm->notify->desc)) {  in ecm_set_alt()
539 			if (config_ep_by_speed(cdev->gadget, f, ecm->notify))  in ecm_set_alt()
542 		usb_ep_enable(ecm->notify);  in ecm_set_alt()
545 	} else if (intf == ecm->data_id) {  in ecm_set_alt()
549 		if (ecm->port.in_ep->enabled) {  in ecm_set_alt()
551 			gether_disconnect(&ecm->port);  in ecm_set_alt()
554 		if (!ecm->port.in_ep->desc ||  in ecm_set_alt()
555 		    !ecm->port.out_ep->desc) {  in ecm_set_alt()
558 					       ecm->port.in_ep) ||  in ecm_set_alt()
560 					       ecm->port.out_ep)) {  in ecm_set_alt()
561 				ecm->port.in_ep->desc = NULL;  in ecm_set_alt()
562 				ecm->port.out_ep->desc = NULL;  in ecm_set_alt()
576 			ecm->port.is_zlp_ok =  in ecm_set_alt()
578 			ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_set_alt()
580 			net = gether_connect(&ecm->port);  in ecm_set_alt()
591 		ecm_notify(ecm);  in ecm_set_alt()
605 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_get_alt()  local
607 	if (intf == ecm->ctrl_id)  in ecm_get_alt()
609 	return ecm->port.in_ep->enabled ? 1 : 0;  in ecm_get_alt()
614 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_disable()  local
619 	if (ecm->port.in_ep->enabled) {  in ecm_disable()
620 		gether_disconnect(&ecm->port);  in ecm_disable()
622 		ecm->port.in_ep->desc = NULL;  in ecm_disable()
623 		ecm->port.out_ep->desc = NULL;  in ecm_disable()
626 	usb_ep_disable(ecm->notify);  in ecm_disable()
627 	ecm->notify->desc = NULL;  in ecm_disable()
652 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_open()  local
654 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_open()
656 	ecm->is_open = true;  in ecm_open()
657 	ecm_notify(ecm);  in ecm_open()
662 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_close()  local
664 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_close()
666 	ecm->is_open = false;  in ecm_close()
667 	ecm_notify(ecm);  in ecm_close()
678 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_bind()  local
704 	ecm_string_defs[1].s = ecm->ethaddr;  in ecm_bind()
719 	ecm->ctrl_id = status;  in ecm_bind()
728 	ecm->data_id = status;  in ecm_bind()
738 	ecm->port.in_ep = ep;  in ecm_bind()
743 	ecm->port.out_ep = ep;  in ecm_bind()
752 	ecm->notify = ep;  in ecm_bind()
761 	request->context = ecm;  in ecm_bind()
788 	ecm->port.open = ecm_open;  in ecm_bind()
789 	ecm->port.close = ecm_close;  in ecm_bind()
791 	ecm->notify_req = no_free_ptr(request);  in ecm_bind()
794 			ecm->port.in_ep->name, ecm->port.out_ep->name,  in ecm_bind()
795 			ecm->notify->name);  in ecm_bind()
806 USB_ETHERNET_CONFIGFS_ITEM(ecm);
809 USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(ecm);
812 USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(ecm);
815 USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ecm);
818 USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ecm);
869 	struct f_ecm *ecm = func_to_ecm(f);  in ecm_suspend()  local
870 	struct usb_composite_dev *cdev = ecm->port.func.config->cdev;  in ecm_suspend()
874 	gether_suspend(&ecm->port);  in ecm_suspend()
879 	struct f_ecm *ecm = func_to_ecm(f);  in ecm_resume()  local
880 	struct usb_composite_dev *cdev = ecm->port.func.config->cdev;  in ecm_resume()
884 	gether_resume(&ecm->port);  in ecm_resume()
895 	struct f_ecm *ecm;  in ecm_free()  local
898 	ecm = func_to_ecm(f);  in ecm_free()
900 	kfree(ecm);  in ecm_free()
908 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_unbind()  local
914 	if (atomic_read(&ecm->notify_count)) {  in ecm_unbind()
915 		usb_ep_dequeue(ecm->notify, ecm->notify_req);  in ecm_unbind()
916 		atomic_set(&ecm->notify_count, 0);  in ecm_unbind()
919 	kfree(ecm->notify_req->buf);  in ecm_unbind()
920 	usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_unbind()
925 	struct f_ecm	*ecm;  in ecm_alloc()  local
930 	ecm = kzalloc_obj(*ecm);  in ecm_alloc()
931 	if (!ecm)  in ecm_alloc()
939 	status = gether_get_host_addr_cdc(opts->net, ecm->ethaddr,  in ecm_alloc()
940 					  sizeof(ecm->ethaddr));  in ecm_alloc()
942 		kfree(ecm);  in ecm_alloc()
947 	ecm->port.ioport = netdev_priv(opts->net);  in ecm_alloc()
949 	ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_alloc()
951 	ecm->port.func.name = "cdc_ethernet";  in ecm_alloc()
953 	ecm->port.func.bind = ecm_bind;  in ecm_alloc()
954 	ecm->port.func.unbind = ecm_unbind;  in ecm_alloc()
955 	ecm->port.func.set_alt = ecm_set_alt;  in ecm_alloc()
956 	ecm->port.func.get_alt = ecm_get_alt;  in ecm_alloc()
957 	ecm->port.func.setup = ecm_setup;  in ecm_alloc()
958 	ecm->port.func.disable = ecm_disable;  in ecm_alloc()
959 	ecm->port.func.free_func = ecm_free;  in ecm_alloc()
960 	ecm->port.func.suspend = ecm_suspend;  in ecm_alloc()
961 	ecm->port.func.get_status = ecm_get_status;  in ecm_alloc()
962 	ecm->port.func.resume = ecm_resume;  in ecm_alloc()
964 	return &ecm->port.func;  in ecm_alloc()
967 DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);