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[linux.git] / net / batman-adv / sysfs.h
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7db7d9f3 1/* SPDX-License-Identifier: GPL-2.0 */
68e039f9 2/* Copyright (C) 2010-2020 B.A.T.M.A.N. contributors:
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3 *
4 * Marek Lindner
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5 */
6
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7#ifndef _NET_BATMAN_ADV_SYSFS_H_
8#define _NET_BATMAN_ADV_SYSFS_H_
9
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10#include "main.h"
11
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12#include <linux/kobject.h>
13#include <linux/netdevice.h>
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14#include <linux/sysfs.h>
15#include <linux/types.h>
16
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17#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
18#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
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19/**
20 * BATADV_SYSFS_VLAN_SUBDIR_PREFIX - prefix of the subfolder that will be
21 * created in the sysfs hierarchy for each VLAN interface. The subfolder will
22 * be named "BATADV_SYSFS_VLAN_SUBDIR_PREFIX%vid".
23 */
24#define BATADV_SYSFS_VLAN_SUBDIR_PREFIX "vlan"
c6c8fea2 25
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26/**
27 * struct batadv_attribute - sysfs export helper for batman-adv attributes
28 */
b4d66b87 29struct batadv_attribute {
c93effcf 30 /** @attr: sysfs attribute file */
c6c8fea2 31 struct attribute attr;
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32
33 /**
34 * @show: function to export the current attribute's content to sysfs
35 */
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36 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
37 char *buf);
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38
39 /**
40 * @store: function to load new value from character buffer and save it
41 * in batman-adv attribute
42 */
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43 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
44 char *buf, size_t count);
45};
46
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47#ifdef CONFIG_BATMAN_ADV_SYSFS
48
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49int batadv_sysfs_add_meshif(struct net_device *dev);
50void batadv_sysfs_del_meshif(struct net_device *dev);
51int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
52 struct net_device *dev);
53void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
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54int batadv_sysfs_add_vlan(struct net_device *dev,
55 struct batadv_softif_vlan *vlan);
56void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
57 struct batadv_softif_vlan *vlan);
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58
59#else
60
61static inline int batadv_sysfs_add_meshif(struct net_device *dev)
62{
63 return 0;
64}
65
66static inline void batadv_sysfs_del_meshif(struct net_device *dev)
67{
68}
69
70static inline int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
71 struct net_device *dev)
72{
73 return 0;
74}
75
76static inline void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
77{
78}
79
80static inline int batadv_sysfs_add_vlan(struct net_device *dev,
81 struct batadv_softif_vlan *vlan)
82{
83 return 0;
84}
85
86static inline void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
87 struct batadv_softif_vlan *vlan)
88{
89}
90
91#endif
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92
93#endif /* _NET_BATMAN_ADV_SYSFS_H_ */
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