1 /* 2 * u_ecm.h 3 * 4 * Utility definitions for the ecm function 5 * 6 * Copyright (c) 2013 Samsung Electronics Co., Ltd. 7 * http://www.samsung.com 8 * 9 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 */ 15 16 #ifndef U_ECM_H 17 #define U_ECM_H 18 19 #include <linux/usb/composite.h> 20 21 struct f_ecm_opts { 22 struct usb_function_instance func_inst; 23 struct net_device *net; 24 bool bound; 25 26 /* 27 * Read/write access to configfs attributes is handled by configfs. 28 * 29 * This is to protect the data from concurrent access by read/write 30 * and create symlink/remove symlink. 31 */ 32 struct mutex lock; 33 int refcnt; 34 }; 35 36 #endif /* U_ECM_H */ 37