Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (C) 2010-2019 B.A.T.M.A.N. contributors:
3 *
4 * Marek Lindner
5 */
6
7#ifndef _NET_BATMAN_ADV_SYSFS_H_
8#define _NET_BATMAN_ADV_SYSFS_H_
9
10#include "main.h"
11
12#include <linux/sysfs.h>
13#include <linux/types.h>
14
15struct kobject;
16struct net_device;
17
18#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
19#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
20/**
21 * BATADV_SYSFS_VLAN_SUBDIR_PREFIX - prefix of the subfolder that will be
22 * created in the sysfs hierarchy for each VLAN interface. The subfolder will
23 * be named "BATADV_SYSFS_VLAN_SUBDIR_PREFIX%vid".
24 */
25#define BATADV_SYSFS_VLAN_SUBDIR_PREFIX "vlan"
26
27/**
28 * struct batadv_attribute - sysfs export helper for batman-adv attributes
29 */
30struct batadv_attribute {
31 /** @attr: sysfs attribute file */
32 struct attribute attr;
33
34 /**
35 * @show: function to export the current attribute's content to sysfs
36 */
37 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
38 char *buf);
39
40 /**
41 * @store: function to load new value from character buffer and save it
42 * in batman-adv attribute
43 */
44 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
45 char *buf, size_t count);
46};
47
48#ifdef CONFIG_BATMAN_ADV_SYSFS
49
50int batadv_sysfs_add_meshif(struct net_device *dev);
51void batadv_sysfs_del_meshif(struct net_device *dev);
52int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
53 struct net_device *dev);
54void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
55int batadv_sysfs_add_vlan(struct net_device *dev,
56 struct batadv_softif_vlan *vlan);
57void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
58 struct batadv_softif_vlan *vlan);
59
60#else
61
62static inline int batadv_sysfs_add_meshif(struct net_device *dev)
63{
64 return 0;
65}
66
67static inline void batadv_sysfs_del_meshif(struct net_device *dev)
68{
69}
70
71static inline int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
72 struct net_device *dev)
73{
74 return 0;
75}
76
77static inline void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
78{
79}
80
81static inline int batadv_sysfs_add_vlan(struct net_device *dev,
82 struct batadv_softif_vlan *vlan)
83{
84 return 0;
85}
86
87static inline void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
88 struct batadv_softif_vlan *vlan)
89{
90}
91
92#endif
93
94#endif /* _NET_BATMAN_ADV_SYSFS_H_ */