378 static void ecm_do_notify(struct f_ecm *ecm)  in ecm_do_notify()  argument
380 	struct usb_request		*req = ecm->notify_req;  in ecm_do_notify()
382 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_do_notify()
391 	switch (ecm->notify_state) {  in ecm_do_notify()
397 		if (ecm->is_open)  in ecm_do_notify()
405 				ecm->is_open ? "true" : "false");  in ecm_do_notify()
406 		ecm->notify_state = ECM_NOTIFY_SPEED;  in ecm_do_notify()
421 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_do_notify()
425 	event->wIndex = cpu_to_le16(ecm->ctrl_id);  in ecm_do_notify()
427 	ecm->notify_req = NULL;  in ecm_do_notify()
428 	status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC);  in ecm_do_notify()
430 		ecm->notify_req = req;  in ecm_do_notify()
435 static void ecm_notify(struct f_ecm *ecm)  in ecm_notify()  argument
442 	ecm->notify_state = ECM_NOTIFY_CONNECT;  in ecm_notify()
443 	ecm_do_notify(ecm);  in ecm_notify()
448 	struct f_ecm			*ecm = req->context;  in ecm_notify_complete()  local
449 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_notify_complete()
458 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_notify_complete()
465 	ecm->notify_req = req;  in ecm_notify_complete()
466 	ecm_do_notify(ecm);  in ecm_notify_complete()
471 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_setup()  local
488 		if (w_length != 0 || w_index != ecm->ctrl_id)  in ecm_setup()
495 		ecm->port.cdc_filter = w_value;  in ecm_setup()
536 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_set_alt()  local
540 	if (intf == ecm->ctrl_id) {  in ecm_set_alt()
544 		if (ecm->notify->driver_data) {  in ecm_set_alt()
546 			usb_ep_disable(ecm->notify);  in ecm_set_alt()
548 		if (!(ecm->notify->desc)) {  in ecm_set_alt()
550 			if (config_ep_by_speed(cdev->gadget, f, ecm->notify))  in ecm_set_alt()
553 		usb_ep_enable(ecm->notify);  in ecm_set_alt()
554 		ecm->notify->driver_data = ecm;  in ecm_set_alt()
557 	} else if (intf == ecm->data_id) {  in ecm_set_alt()
561 		if (ecm->port.in_ep->driver_data) {  in ecm_set_alt()
563 			gether_disconnect(&ecm->port);  in ecm_set_alt()
566 		if (!ecm->port.in_ep->desc ||  in ecm_set_alt()
567 		    !ecm->port.out_ep->desc) {  in ecm_set_alt()
570 					       ecm->port.in_ep) ||  in ecm_set_alt()
572 					       ecm->port.out_ep)) {  in ecm_set_alt()
573 				ecm->port.in_ep->desc = NULL;  in ecm_set_alt()
574 				ecm->port.out_ep->desc = NULL;  in ecm_set_alt()
588 			ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)  in ecm_set_alt()
590 			ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_set_alt()
592 			net = gether_connect(&ecm->port);  in ecm_set_alt()
603 		ecm_notify(ecm);  in ecm_set_alt()
617 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_get_alt()  local
619 	if (intf == ecm->ctrl_id)  in ecm_get_alt()
621 	return ecm->port.in_ep->driver_data ? 1 : 0;  in ecm_get_alt()
626 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_disable()  local
631 	if (ecm->port.in_ep->driver_data)  in ecm_disable()
632 		gether_disconnect(&ecm->port);  in ecm_disable()
634 	if (ecm->notify->driver_data) {  in ecm_disable()
635 		usb_ep_disable(ecm->notify);  in ecm_disable()
636 		ecm->notify->driver_data = NULL;  in ecm_disable()
637 		ecm->notify->desc = NULL;  in ecm_disable()
663 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_open()  local
665 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_open()
667 	ecm->is_open = true;  in ecm_open()
668 	ecm_notify(ecm);  in ecm_open()
673 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_close()  local
675 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_close()
677 	ecm->is_open = false;  in ecm_close()
678 	ecm_notify(ecm);  in ecm_close()
689 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_bind()  local
731 	ecm->ctrl_id = status;  in ecm_bind()
740 	ecm->data_id = status;  in ecm_bind()
752 	ecm->port.in_ep = ep;  in ecm_bind()
758 	ecm->port.out_ep = ep;  in ecm_bind()
768 	ecm->notify = ep;  in ecm_bind()
774 	ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL);  in ecm_bind()
775 	if (!ecm->notify_req)  in ecm_bind()
777 	ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL);  in ecm_bind()
778 	if (!ecm->notify_req->buf)  in ecm_bind()
780 	ecm->notify_req->context = ecm;  in ecm_bind()
781 	ecm->notify_req->complete = ecm_notify_complete;  in ecm_bind()
807 	ecm->port.open = ecm_open;  in ecm_bind()
808 	ecm->port.close = ecm_close;  in ecm_bind()
813 			ecm->port.in_ep->name, ecm->port.out_ep->name,  in ecm_bind()
814 			ecm->notify->name);  in ecm_bind()
818 	if (ecm->notify_req) {  in ecm_bind()
819 		kfree(ecm->notify_req->buf);  in ecm_bind()
820 		usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_bind()
824 	if (ecm->notify)  in ecm_bind()
825 		ecm->notify->driver_data = NULL;  in ecm_bind()
826 	if (ecm->port.out_ep)  in ecm_bind()
827 		ecm->port.out_ep->driver_data = NULL;  in ecm_bind()
828 	if (ecm->port.in_ep)  in ecm_bind()
829 		ecm->port.in_ep->driver_data = NULL;  in ecm_bind()
843 USB_ETHERNET_CONFIGFS_ITEM(ecm);
846 USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(ecm);
849 USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(ecm);
852 USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ecm);
855 USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ecm);
906 	struct f_ecm *ecm;  in ecm_free()  local
909 	ecm = func_to_ecm(f);  in ecm_free()
911 	kfree(ecm);  in ecm_free()
919 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_unbind()  local
925 	kfree(ecm->notify_req->buf);  in ecm_unbind()
926 	usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_unbind()
931 	struct f_ecm	*ecm;  in ecm_alloc()  local
936 	ecm = kzalloc(sizeof(*ecm), GFP_KERNEL);  in ecm_alloc()
937 	if (!ecm)  in ecm_alloc()
945 	status = gether_get_host_addr_cdc(opts->net, ecm->ethaddr,  in ecm_alloc()
946 					  sizeof(ecm->ethaddr));  in ecm_alloc()
948 		kfree(ecm);  in ecm_alloc()
952 	ecm_string_defs[1].s = ecm->ethaddr;  in ecm_alloc()
954 	ecm->port.ioport = netdev_priv(opts->net);  in ecm_alloc()
956 	ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_alloc()
958 	ecm->port.func.name = "cdc_ethernet";  in ecm_alloc()
960 	ecm->port.func.bind = ecm_bind;  in ecm_alloc()
961 	ecm->port.func.unbind = ecm_unbind;  in ecm_alloc()
962 	ecm->port.func.set_alt = ecm_set_alt;  in ecm_alloc()
963 	ecm->port.func.get_alt = ecm_get_alt;  in ecm_alloc()
964 	ecm->port.func.setup = ecm_setup;  in ecm_alloc()
965 	ecm->port.func.disable = ecm_disable;  in ecm_alloc()
966 	ecm->port.func.free_func = ecm_free;  in ecm_alloc()
968 	return &ecm->port.func;  in ecm_alloc()
971 DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);