drivers/usb/gadget/function/u_rndis.h

   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 <andrzej.p@samsung.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 */