1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * u_rndis.h
4  *
5  * Utility definitions for the subset 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_RNDIS_H
14 #define U_RNDIS_H
15 
16 #include <linux/usb/composite.h>
17 
18 struct f_rndis_opts {
19 	struct usb_function_instance	func_inst;
20 	u32				vendor_id;
21 	const char			*manufacturer;
22 	struct net_device		*net;
23 	bool				bound;
24 	bool				borrowed_net;
25 
26 	struct config_group		*rndis_interf_group;
27 	struct usb_os_desc		rndis_os_desc;
28 	char				rndis_ext_compat_id[16];
29 
30 	u8				class;
31 	u8				subclass;
32 	u8				protocol;
33 
34 	/*
35 	 * Read/write access to configfs attributes is handled by configfs.
36 	 *
37 	 * This is to protect the data from concurrent access by read/write
38 	 * and create symlink/remove symlink.
39 	 */
40 	struct mutex			lock;
41 	int				refcnt;
42 };
43 
44 void rndis_borrow_net(struct usb_function_instance *f, struct net_device *net);
45 
46 #endif /* U_RNDIS_H */
47