drivers/usb/gadget/function/u_ecm.h

   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 */