1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * u_ncm.h
4  *
5  * Utility definitions for the ncm 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_NCM_H
14 #define U_NCM_H
15 
16 #include <linux/usb/composite.h>
17 
18 struct f_ncm_opts {
19 	struct usb_function_instance	func_inst;
20 	struct net_device		*net;
21 	bool				bound;
22 
23 	struct config_group		*ncm_interf_group;
24 	struct usb_os_desc		ncm_os_desc;
25 	char				ncm_ext_compat_id[16];
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_NCM_H */
37