1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2010-2018  B.A.T.M.A.N. contributors:
3  *
4  * Marek Lindner
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of version 2 of the GNU General Public
8  * License as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 #ifndef _NET_BATMAN_ADV_SYSFS_H_
20 #define _NET_BATMAN_ADV_SYSFS_H_
21 
22 #include "main.h"
23 
24 #include <linux/sysfs.h>
25 #include <linux/types.h>
26 
27 struct kobject;
28 struct net_device;
29 
30 #define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
31 #define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
32 /**
33  * BATADV_SYSFS_VLAN_SUBDIR_PREFIX - prefix of the subfolder that will be
34  *  created in the sysfs hierarchy for each VLAN interface. The subfolder will
35  *  be named "BATADV_SYSFS_VLAN_SUBDIR_PREFIX%vid".
36  */
37 #define BATADV_SYSFS_VLAN_SUBDIR_PREFIX "vlan"
38 
39 /**
40  * struct batadv_attribute - sysfs export helper for batman-adv attributes
41  */
42 struct batadv_attribute {
43 	/** @attr: sysfs attribute file */
44 	struct attribute attr;
45 
46 	/**
47 	 * @show: function to export the current attribute's content to sysfs
48 	 */
49 	ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
50 			char *buf);
51 
52 	/**
53 	 * @store: function to load new value from character buffer and save it
54 	 * in batman-adv attribute
55 	 */
56 	ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
57 			 char *buf, size_t count);
58 };
59 
60 int batadv_sysfs_add_meshif(struct net_device *dev);
61 void batadv_sysfs_del_meshif(struct net_device *dev);
62 int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
63 			    struct net_device *dev);
64 void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
65 int batadv_sysfs_add_vlan(struct net_device *dev,
66 			  struct batadv_softif_vlan *vlan);
67 void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
68 			   struct batadv_softif_vlan *vlan);
69 int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
70 			enum batadv_uev_action action, const char *data);
71 
72 #endif /* _NET_BATMAN_ADV_SYSFS_H_ */
73