1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * u_ecm.h 4 * 5 * Utility definitions for the ecm function 6 * 7 * Copyright (c) 2013 Samsung Electronics Co., Ltd. 8 * http://www.samsung.com 9 * 10 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 11 */ 12 13 #ifndef U_ECM_H 14 #define U_ECM_H 15 16 #include <linux/usb/composite.h> 17 18 struct f_ecm_opts { 19 struct usb_function_instance func_inst; 20 struct net_device *net; 21 bool bound; 22 23 /* 24 * Read/write access to configfs attributes is handled by configfs. 25 * 26 * This is to protect the data from concurrent access by read/write 27 * and create symlink/remove symlink. 28 */ 29 struct mutex lock; 30 int refcnt; 31 }; 32 33 #endif /* U_ECM_H */ 34