374 static void ecm_do_notify(struct f_ecm *ecm)  in ecm_do_notify()  argument
376 	struct usb_request		*req = ecm->notify_req;  in ecm_do_notify()
378 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_do_notify()
387 	switch (ecm->notify_state) {  in ecm_do_notify()
393 		if (ecm->is_open)  in ecm_do_notify()
401 				ecm->is_open ? "true" : "false");  in ecm_do_notify()
402 		ecm->notify_state = ECM_NOTIFY_SPEED;  in ecm_do_notify()
417 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_do_notify()
421 	event->wIndex = cpu_to_le16(ecm->ctrl_id);  in ecm_do_notify()
423 	ecm->notify_req = NULL;  in ecm_do_notify()
424 	status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC);  in ecm_do_notify()
426 		ecm->notify_req = req;  in ecm_do_notify()
431 static void ecm_notify(struct f_ecm *ecm)  in ecm_notify()  argument
438 	ecm->notify_state = ECM_NOTIFY_CONNECT;  in ecm_notify()
439 	ecm_do_notify(ecm);  in ecm_notify()
444 	struct f_ecm			*ecm = req->context;  in ecm_notify_complete()  local
445 	struct usb_composite_dev	*cdev = ecm->port.func.config->cdev;  in ecm_notify_complete()
454 		ecm->notify_state = ECM_NOTIFY_NONE;  in ecm_notify_complete()
461 	ecm->notify_req = req;  in ecm_notify_complete()
462 	ecm_do_notify(ecm);  in ecm_notify_complete()
467 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_setup()  local
484 		if (w_length != 0 || w_index != ecm->ctrl_id)  in ecm_setup()
491 		ecm->port.cdc_filter = w_value;  in ecm_setup()
532 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_set_alt()  local
536 	if (intf == ecm->ctrl_id) {  in ecm_set_alt()
541 		usb_ep_disable(ecm->notify);  in ecm_set_alt()
542 		if (!(ecm->notify->desc)) {  in ecm_set_alt()
544 			if (config_ep_by_speed(cdev->gadget, f, ecm->notify))  in ecm_set_alt()
547 		usb_ep_enable(ecm->notify);  in ecm_set_alt()
550 	} else if (intf == ecm->data_id) {  in ecm_set_alt()
554 		if (ecm->port.in_ep->enabled) {  in ecm_set_alt()
556 			gether_disconnect(&ecm->port);  in ecm_set_alt()
559 		if (!ecm->port.in_ep->desc ||  in ecm_set_alt()
560 		    !ecm->port.out_ep->desc) {  in ecm_set_alt()
563 					       ecm->port.in_ep) ||  in ecm_set_alt()
565 					       ecm->port.out_ep)) {  in ecm_set_alt()
566 				ecm->port.in_ep->desc = NULL;  in ecm_set_alt()
567 				ecm->port.out_ep->desc = NULL;  in ecm_set_alt()
581 			ecm->port.is_zlp_ok =  in ecm_set_alt()
583 			ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_set_alt()
585 			net = gether_connect(&ecm->port);  in ecm_set_alt()
596 		ecm_notify(ecm);  in ecm_set_alt()
610 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_get_alt()  local
612 	if (intf == ecm->ctrl_id)  in ecm_get_alt()
614 	return ecm->port.in_ep->enabled ? 1 : 0;  in ecm_get_alt()
619 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_disable()  local
624 	if (ecm->port.in_ep->enabled)  in ecm_disable()
625 		gether_disconnect(&ecm->port);  in ecm_disable()
627 	usb_ep_disable(ecm->notify);  in ecm_disable()
628 	ecm->notify->desc = NULL;  in ecm_disable()
653 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_open()  local
655 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_open()
657 	ecm->is_open = true;  in ecm_open()
658 	ecm_notify(ecm);  in ecm_open()
663 	struct f_ecm		*ecm = func_to_ecm(&geth->func);  in ecm_close()  local
665 	DBG(ecm->port.func.config->cdev, "%s\n", __func__);  in ecm_close()
667 	ecm->is_open = false;  in ecm_close()
668 	ecm_notify(ecm);  in ecm_close()
679 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_bind()  local
708 	ecm_string_defs[1].s = ecm->ethaddr;  in ecm_bind()
723 	ecm->ctrl_id = status;  in ecm_bind()
732 	ecm->data_id = status;  in ecm_bind()
744 	ecm->port.in_ep = ep;  in ecm_bind()
749 	ecm->port.out_ep = ep;  in ecm_bind()
758 	ecm->notify = ep;  in ecm_bind()
763 	ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL);  in ecm_bind()
764 	if (!ecm->notify_req)  in ecm_bind()
766 	ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL);  in ecm_bind()
767 	if (!ecm->notify_req->buf)  in ecm_bind()
769 	ecm->notify_req->context = ecm;  in ecm_bind()
770 	ecm->notify_req->complete = ecm_notify_complete;  in ecm_bind()
796 	ecm->port.open = ecm_open;  in ecm_bind()
797 	ecm->port.close = ecm_close;  in ecm_bind()
802 			ecm->port.in_ep->name, ecm->port.out_ep->name,  in ecm_bind()
803 			ecm->notify->name);  in ecm_bind()
807 	if (ecm->notify_req) {  in ecm_bind()
808 		kfree(ecm->notify_req->buf);  in ecm_bind()
809 		usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_bind()
824 USB_ETHERNET_CONFIGFS_ITEM(ecm);
827 USB_ETHERNET_CONFIGFS_ITEM_ATTR_DEV_ADDR(ecm);
830 USB_ETHERNET_CONFIGFS_ITEM_ATTR_HOST_ADDR(ecm);
833 USB_ETHERNET_CONFIGFS_ITEM_ATTR_QMULT(ecm);
836 USB_ETHERNET_CONFIGFS_ITEM_ATTR_IFNAME(ecm);
887 	struct f_ecm *ecm;  in ecm_free()  local
890 	ecm = func_to_ecm(f);  in ecm_free()
892 	kfree(ecm);  in ecm_free()
900 	struct f_ecm		*ecm = func_to_ecm(f);  in ecm_unbind()  local
906 	kfree(ecm->notify_req->buf);  in ecm_unbind()
907 	usb_ep_free_request(ecm->notify, ecm->notify_req);  in ecm_unbind()
912 	struct f_ecm	*ecm;  in ecm_alloc()  local
917 	ecm = kzalloc(sizeof(*ecm), GFP_KERNEL);  in ecm_alloc()
918 	if (!ecm)  in ecm_alloc()
926 	status = gether_get_host_addr_cdc(opts->net, ecm->ethaddr,  in ecm_alloc()
927 					  sizeof(ecm->ethaddr));  in ecm_alloc()
929 		kfree(ecm);  in ecm_alloc()
934 	ecm->port.ioport = netdev_priv(opts->net);  in ecm_alloc()
936 	ecm->port.cdc_filter = DEFAULT_FILTER;  in ecm_alloc()
938 	ecm->port.func.name = "cdc_ethernet";  in ecm_alloc()
940 	ecm->port.func.bind = ecm_bind;  in ecm_alloc()
941 	ecm->port.func.unbind = ecm_unbind;  in ecm_alloc()
942 	ecm->port.func.set_alt = ecm_set_alt;  in ecm_alloc()
943 	ecm->port.func.get_alt = ecm_get_alt;  in ecm_alloc()
944 	ecm->port.func.setup = ecm_setup;  in ecm_alloc()
945 	ecm->port.func.disable = ecm_disable;  in ecm_alloc()
946 	ecm->port.func.free_func = ecm_free;  in ecm_alloc()
948 	return &ecm->port.func;  in ecm_alloc()
951 DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);