1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2010-2020 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/kobject.h>
13 #include <linux/netdevice.h>
14 #include <linux/sysfs.h>
15 #include <linux/types.h>
16
17 #define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
18 #define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
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"
25
26 /**
27 * struct batadv_attribute - sysfs export helper for batman-adv attributes
28 */
29 struct batadv_attribute {
30 /** @attr: sysfs attribute file */
31 struct attribute attr;
32
33 /**
34 * @show: function to export the current attribute's content to sysfs
35 */
36 ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
37 char *buf);
38
39 /**
40 * @store: function to load new value from character buffer and save it
41 * in batman-adv attribute
42 */
43 ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
44 char *buf, size_t count);
45 };
46
47 #ifdef CONFIG_BATMAN_ADV_SYSFS
48
49 int batadv_sysfs_add_meshif(struct net_device *dev);
50 void batadv_sysfs_del_meshif(struct net_device *dev);
51 int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
52 struct net_device *dev);
53 void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
54 int batadv_sysfs_add_vlan(struct net_device *dev,
55 struct batadv_softif_vlan *vlan);
56 void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
57 struct batadv_softif_vlan *vlan);
58
59 #else
60
61 static inline int batadv_sysfs_add_meshif(struct net_device *dev)
62 {
63 return 0;
64 }
65
66 static inline void batadv_sysfs_del_meshif(struct net_device *dev)
67 {
68 }
69
70 static inline int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
71 struct net_device *dev)
72 {
73 return 0;
74 }
75
76 static inline void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
77 {
78 }
79
80 static inline int batadv_sysfs_add_vlan(struct net_device *dev,
81 struct batadv_softif_vlan *vlan)
82 {
83 return 0;
84 }
85
86 static inline void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
87 struct batadv_softif_vlan *vlan)
88 {
89 }
90
91 #endif
92
93 #endif /* _NET_BATMAN_ADV_SYSFS_H_ */
94
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