/* SPDX-License-Identifier: GPL-2.0 */ /* * u_ecm.h * * Utility definitions for the ecm function * * Copyright (c) 2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> */ #ifndef U_ECM_H #define U_ECM_H #include <linux/usb/composite.h> /** * struct f_ecm_opts - ECM function options * @func_inst: USB function instance. * @net: The net_device associated with the ECM function. * @bound: True if the net_device is shared and pre-registered during the * legacy composite driver's bind phase (e.g., multi.c). If false, * the ECM function will register the net_device during its own * bind phase. * @bind_count: Tracks the number of configurations the ECM function is * bound to, preventing double-registration of the @net device. * @lock: Protects the data from concurrent access by configfs read/write * and create symlink/remove symlink operations. * @refcnt: Reference counter for the function instance. */ struct f_ecm_opts { struct usb_function_instance func_inst; struct net_device *net; bool bound; int bind_count; struct mutex lock; int refcnt; }; #endif /* U_ECM_H */