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/* SPDX-License-Identifier: GPL-2.0 */
/*
* u_ncm.h
*
* Utility definitions for the ncm function
*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
*/
#ifndef U_NCM_H
#define U_NCM_H
#include <linux/usb/composite.h>
/**
* struct f_ncm_opts - NCM function options
* @func_inst: USB function instance.
* @net: The net_device associated with the NCM function.
* @bind_count: Tracks the number of configurations the NCM function is
* bound to, preventing double-registration of the @net device.
* @ncm_interf_group: ConfigFS group for NCM interface.
* @ncm_os_desc: USB OS descriptor for NCM.
* @ncm_ext_compat_id: Extended compatibility ID.
* @lock: Protects the data from concurrent access by configfs read/write
* and create symlink/remove symlink operations.
* @refcnt: Reference counter for the function instance.
* @max_segment_size: Maximum segment size.
*/
struct f_ncm_opts {
struct usb_function_instance func_inst;
struct net_device *net;
int bind_count;
struct config_group *ncm_interf_group;
struct usb_os_desc ncm_os_desc;
char ncm_ext_compat_id[16];
struct mutex lock;
int refcnt;
u16 max_segment_size;
};
#endif /* U_NCM_H */
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