375 static void ecm_do_notify(struct f_ecm *ecm)  in ecm_do_notify()  argument
377 	struct usb_request		*req = ecm->notify_req;  in ecm_do_notify()
379 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_do_notify()
384 	if (atomic_read(&ecm->notify_count))  in ecm_do_notify()
388 	switch (ecm->notify_state) {  in ecm_do_notify()
394 		if (ecm->is_open)  in ecm_do_notify()
402 				ecm->is_open ? "true" : "false");  in ecm_do_notify()
403 		ecm->notify_state = ECM_NOTIFY_SPEED;  in ecm_do_notify()
418 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_do_notify()
422 	event->wIndex = cpu_to_le16(ecm->ctrl_id);  in ecm_do_notify()
424 	atomic_inc(&ecm->notify_count);  in ecm_do_notify()
425 	status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC);  in ecm_do_notify()
427 		atomic_dec(&ecm->notify_count);  in ecm_do_notify()
432 static void ecm_notify(struct f_ecm *ecm)  in ecm_notify()  argument
439 	ecm->notify_state = ECM_NOTIFY_CONNECT;  in ecm_notify()
440 	ecm_do_notify(ecm);  in ecm_notify()
445 	struct f_ecm			*ecm = req->context;  in ecm_notify_complete()  local
446 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_notify_complete()
452 		atomic_dec(&ecm->notify_count);  in ecm_notify_complete()
456 		atomic_set(&ecm->notify_count, 0);  in ecm_notify_complete()
457 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_notify_complete()
462 		atomic_dec(&ecm->notify_count);  in ecm_notify_complete()
465 	ecm_do_notify(ecm);  in ecm_notify_complete()
470 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_setup()  local
487 		if (w_length != 0 || w_index != ecm->ctrl_id)  in ecm_setup()
494 		ecm->port.cdc_filter = w_value;  in ecm_setup()
535 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_set_alt()  local
539 	if (intf == ecm->ctrl_id) {  in ecm_set_alt()
544 		usb_ep_disable(ecm->notify);  in ecm_set_alt()
545 		if (!(ecm->notify->desc)) {  in ecm_set_alt()
547 			if (config_ep_by_speed(cdev->gadget, f, ecm->notify))  in ecm_set_alt()
550 		usb_ep_enable(ecm->notify);  in ecm_set_alt()
553 	} else if (intf == ecm->data_id) {  in ecm_set_alt()
557 		if (ecm->port.in_ep->enabled) {  in ecm_set_alt()
559 			gether_disconnect(&ecm->port);  in ecm_set_alt()
562 		if (!ecm->port.in_ep->desc ||  in ecm_set_alt()
563 		    !ecm->port.out_ep->desc) {  in ecm_set_alt()
566 					       ecm->port.in_ep) ||  in ecm_set_alt()
568 					       ecm->port.out_ep)) {  in ecm_set_alt()
569 				ecm->port.in_ep->desc = NULL;  in ecm_set_alt()
570 				ecm->port.out_ep->desc = NULL;  in ecm_set_alt()
584 			ecm->port.is_zlp_ok =  in ecm_set_alt()
586 			ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_set_alt()
588 			net = gether_connect(&ecm->port);  in ecm_set_alt()
599 		ecm_notify(ecm);  in ecm_set_alt()
613 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_get_alt()  local
615 	if (intf == ecm->ctrl_id)  in ecm_get_alt()
617 	return ecm->port.in_ep->enabled ? 1 : 0;  in ecm_get_alt()
622 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_disable()  local
627 	if (ecm->port.in_ep->enabled) {  in ecm_disable()
628 		gether_disconnect(&ecm->port);  in ecm_disable()
630 		ecm->port.in_ep->desc = NULL;  in ecm_disable()
631 		ecm->port.out_ep->desc = NULL;  in ecm_disable()
634 	usb_ep_disable(ecm->notify);  in ecm_disable()
635 	ecm->notify->desc = NULL;  in ecm_disable()
660 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_open()  local
662 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_open()
664 	ecm->is_open = true;  in ecm_open()
665 	ecm_notify(ecm);  in ecm_open()
670 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_close()  local
672 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_close()
674 	ecm->is_open = false;  in ecm_close()
675 	ecm_notify(ecm);  in ecm_close()
686 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_bind()  local
715 	ecm_string_defs[1].s = ecm->ethaddr;  in ecm_bind()
730 	ecm->ctrl_id = status;  in ecm_bind()
739 	ecm->data_id = status;  in ecm_bind()
751 	ecm->port.in_ep = ep;  in ecm_bind()
756 	ecm->port.out_ep = ep;  in ecm_bind()
765 	ecm->notify = ep;  in ecm_bind()
770 	ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL);  in ecm_bind()
771 	if (!ecm->notify_req)  in ecm_bind()
773 	ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL);  in ecm_bind()
774 	if (!ecm->notify_req->buf)  in ecm_bind()
776 	ecm->notify_req->context = ecm;  in ecm_bind()
777 	ecm->notify_req->complete = ecm_notify_complete;  in ecm_bind()
803 	ecm->port.open = ecm_open;  in ecm_bind()
804 	ecm->port.close = ecm_close;  in ecm_bind()
809 			ecm->port.in_ep->name, ecm->port.out_ep->name,  in ecm_bind()
810 			ecm->notify->name);  in ecm_bind()
814 	if (ecm->notify_req) {  in ecm_bind()
815 		kfree(ecm->notify_req->buf);  in ecm_bind()
816 		usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_bind()
831 USB_ETHERNET_CONFIGFS_ITEM(ecm);
834 USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(ecm);
837 USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(ecm);
840 USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ecm);
843 USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ecm);
894 	struct f_ecm *ecm;  in ecm_free()  local
897 	ecm = func_to_ecm(f);  in ecm_free()
899 	kfree(ecm);  in ecm_free()
907 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_unbind()  local
913 	if (atomic_read(&ecm->notify_count)) {  in ecm_unbind()
914 		usb_ep_dequeue(ecm->notify, ecm->notify_req);  in ecm_unbind()
915 		atomic_set(&ecm->notify_count, 0);  in ecm_unbind()
918 	kfree(ecm->notify_req->buf);  in ecm_unbind()
919 	usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_unbind()
924 	struct f_ecm	*ecm;  in ecm_alloc()  local
929 	ecm = kzalloc(sizeof(*ecm), GFP_KERNEL);  in ecm_alloc()
930 	if (!ecm)  in ecm_alloc()
938 	status = gether_get_host_addr_cdc(opts->net, ecm->ethaddr,  in ecm_alloc()
939 					  sizeof(ecm->ethaddr));  in ecm_alloc()
941 		kfree(ecm);  in ecm_alloc()
946 	ecm->port.ioport = netdev_priv(opts->net);  in ecm_alloc()
948 	ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_alloc()
950 	ecm->port.func.name = "cdc_ethernet";  in ecm_alloc()
952 	ecm->port.func.bind = ecm_bind;  in ecm_alloc()
953 	ecm->port.func.unbind = ecm_unbind;  in ecm_alloc()
954 	ecm->port.func.set_alt = ecm_set_alt;  in ecm_alloc()
955 	ecm->port.func.get_alt = ecm_get_alt;  in ecm_alloc()
956 	ecm->port.func.setup = ecm_setup;  in ecm_alloc()
957 	ecm->port.func.disable = ecm_disable;  in ecm_alloc()
958 	ecm->port.func.free_func = ecm_free;  in ecm_alloc()
960 	return &ecm->port.func;  in ecm_alloc()
963 DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);