1 files changed, 93 insertions, 0 deletions
diff --git a/net/batman-adv/sysfs.h b/net/batman-adv/sysfs.h
new file mode 100644
index 000000000..d987f8b30
--- /dev/null
+++ b/net/batman-adv/sysfs.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2010-2020  B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner
+ */
+
+#ifndef _NET_BATMAN_ADV_SYSFS_H_
+#define _NET_BATMAN_ADV_SYSFS_H_
+
+#include "main.h"
+
+#include <linux/kobject.h>
+#include <linux/netdevice.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+
+#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
+#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
+/**
+ * BATADV_SYSFS_VLAN_SUBDIR_PREFIX - prefix of the subfolder that will be
+ *  created in the sysfs hierarchy for each VLAN interface. The subfolder will
+ *  be named "BATADV_SYSFS_VLAN_SUBDIR_PREFIX%vid".
+ */
+#define BATADV_SYSFS_VLAN_SUBDIR_PREFIX "vlan"
+
+/**
+ * struct batadv_attribute - sysfs export helper for batman-adv attributes
+ */
+struct batadv_attribute {
+	/** @attr: sysfs attribute file */
+	struct attribute attr;
+
+	/**
+	 * @show: function to export the current attribute's content to sysfs
+	 */
+	ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
+			char *buf);
+
+	/**
+	 * @store: function to load new value from character buffer and save it
+	 * in batman-adv attribute
+	 */
+	ssize_t (*store)(struct kobject *kobj, struct attribute *attr,
+			 char *buf, size_t count);
+};
+
+#ifdef CONFIG_BATMAN_ADV_SYSFS
+
+int batadv_sysfs_add_meshif(struct net_device *dev);
+void batadv_sysfs_del_meshif(struct net_device *dev);
+int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
+			    struct net_device *dev);
+void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
+int batadv_sysfs_add_vlan(struct net_device *dev,
+			  struct batadv_softif_vlan *vlan);
+void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
+			   struct batadv_softif_vlan *vlan);
+
+#else
+
+static inline int batadv_sysfs_add_meshif(struct net_device *dev)
+{
+	return 0;
+}
+
+static inline void batadv_sysfs_del_meshif(struct net_device *dev)
+{
+}
+
+static inline int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
+					  struct net_device *dev)
+{
+	return 0;
+}
+
+static inline void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
+{
+}
+
+static inline int batadv_sysfs_add_vlan(struct net_device *dev,
+					struct batadv_softif_vlan *vlan)
+{
+	return 0;
+}
+
+static inline void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
+					 struct batadv_softif_vlan *vlan)
+{
+}
+
+#endif
+
+#endif /* _NET_BATMAN_ADV_SYSFS_H_ */