43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* u_ecm.h
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*
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* Utility definitions for the ecm function
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*
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* Copyright (c) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
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*/
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#ifndef U_ECM_H
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#define U_ECM_H
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#include <linux/usb/composite.h>
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/**
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* struct f_ecm_opts - ECM function options
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* @func_inst: USB function instance.
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* @net: The net_device associated with the ECM function.
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* @bound: True if the net_device is shared and pre-registered during the
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* legacy composite driver's bind phase (e.g., multi.c). If false,
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* the ECM function will register the net_device during its own
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* bind phase.
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* @bind_count: Tracks the number of configurations the ECM function is
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* bound to, preventing double-registration of the @net device.
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* @lock: Protects the data from concurrent access by configfs read/write
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* and create symlink/remove symlink operations.
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* @refcnt: Reference counter for the function instance.
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*/
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struct f_ecm_opts {
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struct usb_function_instance func_inst;
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struct net_device *net;
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bool bound;
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int bind_count;
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struct mutex lock;
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int refcnt;
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};
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#endif /* U_ECM_H */
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