batman-adv: Drop deprecated sysfs support

The sysfs in batman-adv support was marked as deprecated by the commit
42cdd521487f ("batman-adv: ABI: Mark sysfs files as deprecated") and
scheduled for removal in 2021.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

1 files changed, 0 insertions, 1272 deletions

diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
deleted file mode 100644
index 0f962dcd239e..000000000000
--- a/net/batman-adv/sysfs.c
+++ /dev/null
@@ -1,1272 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2010-2020  B.A.T.M.A.N. contributors:
- *
- * Marek Lindner
- */
-
-#include "sysfs.h"
-#include "main.h"
-
-#include <asm/current.h>
-#include <linux/atomic.h>
-#include <linux/compiler.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/gfp.h>
-#include <linux/if.h>
-#include <linux/if_vlan.h>
-#include <linux/kernel.h>
-#include <linux/kobject.h>
-#include <linux/kref.h>
-#include <linux/limits.h>
-#include <linux/netdevice.h>
-#include <linux/printk.h>
-#include <linux/rculist.h>
-#include <linux/rcupdate.h>
-#include <linux/rtnetlink.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/stddef.h>
-#include <linux/string.h>
-#include <linux/stringify.h>
-#include <linux/workqueue.h>
-#include <uapi/linux/batadv_packet.h>
-#include <uapi/linux/batman_adv.h>
-
-#include "bridge_loop_avoidance.h"
-#include "distributed-arp-table.h"
-#include "gateway_client.h"
-#include "gateway_common.h"
-#include "hard-interface.h"
-#include "log.h"
-#include "netlink.h"
-#include "network-coding.h"
-#include "soft-interface.h"
-
-/**
- * batadv_sysfs_deprecated() - Log use of deprecated batadv sysfs access
- * @attr: attribute which was accessed
- */
-static void batadv_sysfs_deprecated(struct attribute *attr)
-{
-	pr_warn_ratelimited(DEPRECATED "%s (pid %d) Use of sysfs file \"%s\".\nUse batadv genl family instead",
-			    current->comm, task_pid_nr(current), attr->name);
-}
-
-static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
-{
-	struct device *dev = container_of(obj->parent, struct device, kobj);
-
-	return to_net_dev(dev);
-}
-
-static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(obj);
-
-	return netdev_priv(net_dev);
-}
-
-/**
- * batadv_vlan_kobj_to_batpriv() - convert a vlan kobj in the associated batpriv
- * @obj: kobject to covert
- *
- * Return: the associated batadv_priv struct.
- */
-static struct batadv_priv *batadv_vlan_kobj_to_batpriv(struct kobject *obj)
-{
-	/* VLAN specific attributes are located in the root sysfs folder if they
-	 * refer to the untagged VLAN..
-	 */
-	if (!strcmp(BATADV_SYSFS_IF_MESH_SUBDIR, obj->name))
-		return batadv_kobj_to_batpriv(obj);
-
-	/* ..while the attributes for the tagged vlans are located in
-	 * the in the corresponding "vlan%VID" subfolder
-	 */
-	return batadv_kobj_to_batpriv(obj->parent);
-}
-
-/**
- * batadv_kobj_to_vlan() - convert a kobj in the associated softif_vlan struct
- * @bat_priv: the bat priv with all the soft interface information
- * @obj: kobject to covert
- *
- * Return: the associated softif_vlan struct if found, NULL otherwise.
- */
-static struct batadv_softif_vlan *
-batadv_kobj_to_vlan(struct batadv_priv *bat_priv, struct kobject *obj)
-{
-	struct batadv_softif_vlan *vlan_tmp, *vlan = NULL;
-
-	rcu_read_lock();
-	hlist_for_each_entry_rcu(vlan_tmp, &bat_priv->softif_vlan_list, list) {
-		if (vlan_tmp->kobj != obj)
-			continue;
-
-		if (!kref_get_unless_zero(&vlan_tmp->refcount))
-			continue;
-
-		vlan = vlan_tmp;
-		break;
-	}
-	rcu_read_unlock();
-
-	return vlan;
-}
-
-/* Use this, if you have customized show and store functions for vlan attrs */
-#define BATADV_ATTR_VLAN(_name, _mode, _show, _store)	\
-struct batadv_attribute batadv_attr_vlan_##_name = {	\
-	.attr = {.name = __stringify(_name),		\
-		 .mode = _mode },			\
-	.show   = _show,				\
-	.store  = _store,				\
-}
-
-/* Use this, if you have customized show and store functions */
-#define BATADV_ATTR(_name, _mode, _show, _store)	\
-struct batadv_attribute batadv_attr_##_name = {		\
-	.attr = {.name = __stringify(_name),		\
-		 .mode = _mode },			\
-	.show   = _show,				\
-	.store  = _store,				\
-}
-
-#define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func)			\
-ssize_t batadv_store_##_name(struct kobject *kobj,			\
-			     struct attribute *attr, char *buff,	\
-			     size_t count)				\
-{									\
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
-	struct batadv_priv *bat_priv = netdev_priv(net_dev);		\
-	ssize_t length;							\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	length = __batadv_store_bool_attr(buff, count, _post_func, attr,\
-					  &bat_priv->_name, net_dev);	\
-									\
-	batadv_netlink_notify_mesh(bat_priv);				\
-									\
-	return length;							\
-}
-
-#define BATADV_ATTR_SIF_SHOW_BOOL(_name)				\
-ssize_t batadv_show_##_name(struct kobject *kobj,			\
-			    struct attribute *attr, char *buff)		\
-{									\
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);	\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	return sprintf(buff, "%s\n",					\
-		       atomic_read(&bat_priv->_name) == 0 ?		\
-		       "disabled" : "enabled");				\
-}									\
-
-/* Use this, if you are going to turn a [name] in the soft-interface
- * (bat_priv) on or off
- */
-#define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func)			\
-	static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func)		\
-	static BATADV_ATTR_SIF_SHOW_BOOL(_name)				\
-	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
-			   batadv_store_##_name)
-
-#define BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)	\
-ssize_t batadv_store_##_name(struct kobject *kobj,			\
-			     struct attribute *attr, char *buff,	\
-			     size_t count)				\
-{									\
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
-	struct batadv_priv *bat_priv = netdev_priv(net_dev);		\
-	ssize_t length;							\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	length = __batadv_store_uint_attr(buff, count, _min, _max,	\
-					  _post_func, attr,		\
-					  &bat_priv->_var, net_dev,	\
-					  NULL);			\
-									\
-	batadv_netlink_notify_mesh(bat_priv);				\
-									\
-	return length;							\
-}
-
-#define BATADV_ATTR_SIF_SHOW_UINT(_name, _var)				\
-ssize_t batadv_show_##_name(struct kobject *kobj,			\
-			    struct attribute *attr, char *buff)		\
-{									\
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);	\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	return sprintf(buff, "%i\n", atomic_read(&bat_priv->_var));	\
-}									\
-
-/* Use this, if you are going to set [name] in the soft-interface
- * (bat_priv) to an unsigned integer value
- */
-#define BATADV_ATTR_SIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
-	static BATADV_ATTR_SIF_STORE_UINT(_name, _var, _min, _max, _post_func)\
-	static BATADV_ATTR_SIF_SHOW_UINT(_name, _var)			\
-	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
-			   batadv_store_##_name)
-
-#define BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func)			\
-ssize_t batadv_store_vlan_##_name(struct kobject *kobj,			\
-				  struct attribute *attr, char *buff,	\
-				  size_t count)				\
-{									\
-	struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
-	struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv,	\
-							      kobj);	\
-	size_t res = __batadv_store_bool_attr(buff, count, _post_func,	\
-					      attr, &vlan->_name,	\
-					      bat_priv->soft_iface);	\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	if (vlan->vid)							\
-		batadv_netlink_notify_vlan(bat_priv, vlan);		\
-	else								\
-		batadv_netlink_notify_mesh(bat_priv);			\
-									\
-	batadv_softif_vlan_put(vlan);					\
-	return res;							\
-}
-
-#define BATADV_ATTR_VLAN_SHOW_BOOL(_name)				\
-ssize_t batadv_show_vlan_##_name(struct kobject *kobj,			\
-				 struct attribute *attr, char *buff)	\
-{									\
-	struct batadv_priv *bat_priv = batadv_vlan_kobj_to_batpriv(kobj);\
-	struct batadv_softif_vlan *vlan = batadv_kobj_to_vlan(bat_priv,	\
-							      kobj);	\
-	size_t res = sprintf(buff, "%s\n",				\
-			     atomic_read(&vlan->_name) == 0 ?		\
-			     "disabled" : "enabled");			\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	batadv_softif_vlan_put(vlan);					\
-	return res;							\
-}
-
-/* Use this, if you are going to turn a [name] in the vlan struct on or off */
-#define BATADV_ATTR_VLAN_BOOL(_name, _mode, _post_func)			\
-	static BATADV_ATTR_VLAN_STORE_BOOL(_name, _post_func)		\
-	static BATADV_ATTR_VLAN_SHOW_BOOL(_name)			\
-	static BATADV_ATTR_VLAN(_name, _mode, batadv_show_vlan_##_name,	\
-				batadv_store_vlan_##_name)
-
-#define BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min, _max, _post_func)	\
-ssize_t batadv_store_##_name(struct kobject *kobj,			\
-			     struct attribute *attr, char *buff,	\
-			     size_t count)				\
-{									\
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
-	struct batadv_hard_iface *hard_iface;				\
-	struct batadv_priv *bat_priv;					\
-	ssize_t length;							\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);		\
-	if (!hard_iface)						\
-		return 0;						\
-									\
-	length = __batadv_store_uint_attr(buff, count, _min, _max,	\
-					  _post_func, attr,		\
-					  &hard_iface->_var,		\
-					  hard_iface->soft_iface,	\
-					  net_dev);			\
-									\
-	if (hard_iface->soft_iface) {					\
-		bat_priv = netdev_priv(hard_iface->soft_iface);		\
-		batadv_netlink_notify_hardif(bat_priv, hard_iface);	\
-	}								\
-									\
-	batadv_hardif_put(hard_iface);				\
-	return length;							\
-}
-
-#define BATADV_ATTR_HIF_SHOW_UINT(_name, _var)				\
-ssize_t batadv_show_##_name(struct kobject *kobj,			\
-			    struct attribute *attr, char *buff)		\
-{									\
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);	\
-	struct batadv_hard_iface *hard_iface;				\
-	ssize_t length;							\
-									\
-	batadv_sysfs_deprecated(attr);					\
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);		\
-	if (!hard_iface)						\
-		return 0;						\
-									\
-	length = sprintf(buff, "%i\n", atomic_read(&hard_iface->_var));	\
-									\
-	batadv_hardif_put(hard_iface);				\
-	return length;							\
-}
-
-/* Use this, if you are going to set [name] in hard_iface to an
- * unsigned integer value
- */
-#define BATADV_ATTR_HIF_UINT(_name, _var, _mode, _min, _max, _post_func)\
-	static BATADV_ATTR_HIF_STORE_UINT(_name, _var, _min,		\
-					  _max, _post_func)		\
-	static BATADV_ATTR_HIF_SHOW_UINT(_name, _var)			\
-	static BATADV_ATTR(_name, _mode, batadv_show_##_name,		\
-			   batadv_store_##_name)
-
-static int batadv_store_bool_attr(char *buff, size_t count,
-				  struct net_device *net_dev,
-				  const char *attr_name, atomic_t *attr,
-				  bool *changed)
-{
-	int enabled = -1;
-
-	*changed = false;
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	if ((strncmp(buff, "1", 2) == 0) ||
-	    (strncmp(buff, "enable", 7) == 0) ||
-	    (strncmp(buff, "enabled", 8) == 0))
-		enabled = 1;
-
-	if ((strncmp(buff, "0", 2) == 0) ||
-	    (strncmp(buff, "disable", 8) == 0) ||
-	    (strncmp(buff, "disabled", 9) == 0))
-		enabled = 0;
-
-	if (enabled < 0) {
-		batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
-			    attr_name, buff);
-		return -EINVAL;
-	}
-
-	if (atomic_read(attr) == enabled)
-		return count;
-
-	batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name,
-		    atomic_read(attr) == 1 ? "enabled" : "disabled",
-		    enabled == 1 ? "enabled" : "disabled");
-
-	*changed = true;
-
-	atomic_set(attr, (unsigned int)enabled);
-	return count;
-}
-
-static inline ssize_t
-__batadv_store_bool_attr(char *buff, size_t count,
-			 void (*post_func)(struct net_device *),
-			 struct attribute *attr,
-			 atomic_t *attr_store, struct net_device *net_dev)
-{
-	bool changed;
-	int ret;
-
-	ret = batadv_store_bool_attr(buff, count, net_dev, attr->name,
-				     attr_store, &changed);
-	if (post_func && changed)
-		post_func(net_dev);
-
-	return ret;
-}
-
-static int batadv_store_uint_attr(const char *buff, size_t count,
-				  struct net_device *net_dev,
-				  struct net_device *slave_dev,
-				  const char *attr_name,
-				  unsigned int min, unsigned int max,
-				  atomic_t *attr)
-{
-	char ifname[IFNAMSIZ + 3] = "";
-	unsigned long uint_val;
-	int ret;
-
-	ret = kstrtoul(buff, 10, &uint_val);
-	if (ret) {
-		batadv_info(net_dev, "%s: Invalid parameter received: %s\n",
-			    attr_name, buff);
-		return -EINVAL;
-	}
-
-	if (uint_val < min) {
-		batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n",
-			    attr_name, uint_val, min);
-		return -EINVAL;
-	}
-
-	if (uint_val > max) {
-		batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n",
-			    attr_name, uint_val, max);
-		return -EINVAL;
-	}
-
-	if (atomic_read(attr) == uint_val)
-		return count;
-
-	if (slave_dev)
-		snprintf(ifname, sizeof(ifname), "%s: ", slave_dev->name);
-
-	batadv_info(net_dev, "%s: %sChanging from: %i to: %lu\n",
-		    attr_name, ifname, atomic_read(attr), uint_val);
-
-	atomic_set(attr, uint_val);
-	return count;
-}
-
-static ssize_t __batadv_store_uint_attr(const char *buff, size_t count,
-					int min, int max,
-					void (*post_func)(struct net_device *),
-					const struct attribute *attr,
-					atomic_t *attr_store,
-					struct net_device *net_dev,
-					struct net_device *slave_dev)
-{
-	int ret;
-
-	ret = batadv_store_uint_attr(buff, count, net_dev, slave_dev,
-				     attr->name, min, max, attr_store);
-	if (post_func && ret)
-		post_func(net_dev);
-
-	return ret;
-}
-
-static ssize_t batadv_show_bat_algo(struct kobject *kobj,
-				    struct attribute *attr, char *buff)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-
-	batadv_sysfs_deprecated(attr);
-	return sprintf(buff, "%s\n", bat_priv->algo_ops->name);
-}
-
-static void batadv_post_gw_reselect(struct net_device *net_dev)
-{
-	struct batadv_priv *bat_priv = netdev_priv(net_dev);
-
-	batadv_gw_reselect(bat_priv);
-}
-
-static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
-				   char *buff)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-	int bytes_written;
-
-	batadv_sysfs_deprecated(attr);
-
-	/* GW mode is not available if the routing algorithm in use does not
-	 * implement the GW API
-	 */
-	if (!bat_priv->algo_ops->gw.get_best_gw_node ||
-	    !bat_priv->algo_ops->gw.is_eligible)
-		return -ENOENT;
-
-	switch (atomic_read(&bat_priv->gw.mode)) {
-	case BATADV_GW_MODE_CLIENT:
-		bytes_written = sprintf(buff, "%s\n",
-					BATADV_GW_MODE_CLIENT_NAME);
-		break;
-	case BATADV_GW_MODE_SERVER:
-		bytes_written = sprintf(buff, "%s\n",
-					BATADV_GW_MODE_SERVER_NAME);
-		break;
-	default:
-		bytes_written = sprintf(buff, "%s\n",
-					BATADV_GW_MODE_OFF_NAME);
-		break;
-	}
-
-	return bytes_written;
-}
-
-static ssize_t batadv_store_gw_mode(struct kobject *kobj,
-				    struct attribute *attr, char *buff,
-				    size_t count)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_priv *bat_priv = netdev_priv(net_dev);
-	char *curr_gw_mode_str;
-	int gw_mode_tmp = -1;
-
-	batadv_sysfs_deprecated(attr);
-
-	/* toggling GW mode is allowed only if the routing algorithm in use
-	 * provides the GW API
-	 */
-	if (!bat_priv->algo_ops->gw.get_best_gw_node ||
-	    !bat_priv->algo_ops->gw.is_eligible)
-		return -EINVAL;
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
-		    strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
-		gw_mode_tmp = BATADV_GW_MODE_OFF;
-
-	if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
-		    strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
-		gw_mode_tmp = BATADV_GW_MODE_CLIENT;
-
-	if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
-		    strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
-		gw_mode_tmp = BATADV_GW_MODE_SERVER;
-
-	if (gw_mode_tmp < 0) {
-		batadv_info(net_dev,
-			    "Invalid parameter for 'gw mode' setting received: %s\n",
-			    buff);
-		return -EINVAL;
-	}
-
-	if (atomic_read(&bat_priv->gw.mode) == gw_mode_tmp)
-		return count;
-
-	switch (atomic_read(&bat_priv->gw.mode)) {
-	case BATADV_GW_MODE_CLIENT:
-		curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
-		break;
-	case BATADV_GW_MODE_SERVER:
-		curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
-		break;
-	default:
-		curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME;
-		break;
-	}
-
-	batadv_info(net_dev, "Changing gw mode from: %s to: %s\n",
-		    curr_gw_mode_str, buff);
-
-	/* Invoking batadv_gw_reselect() is not enough to really de-select the
-	 * current GW. It will only instruct the gateway client code to perform
-	 * a re-election the next time that this is needed.
-	 *
-	 * When gw client mode is being switched off the current GW must be
-	 * de-selected explicitly otherwise no GW_ADD uevent is thrown on
-	 * client mode re-activation. This is operation is performed in
-	 * batadv_gw_check_client_stop().
-	 */
-	batadv_gw_reselect(bat_priv);
-	/* always call batadv_gw_check_client_stop() before changing the gateway
-	 * state
-	 */
-	batadv_gw_check_client_stop(bat_priv);
-	atomic_set(&bat_priv->gw.mode, (unsigned int)gw_mode_tmp);
-	batadv_gw_tvlv_container_update(bat_priv);
-
-	batadv_netlink_notify_mesh(bat_priv);
-
-	return count;
-}
-
-static ssize_t batadv_show_gw_sel_class(struct kobject *kobj,
-					struct attribute *attr, char *buff)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-
-	batadv_sysfs_deprecated(attr);
-
-	/* GW selection class is not available if the routing algorithm in use
-	 * does not implement the GW API
-	 */
-	if (!bat_priv->algo_ops->gw.get_best_gw_node ||
-	    !bat_priv->algo_ops->gw.is_eligible)
-		return -ENOENT;
-
-	if (bat_priv->algo_ops->gw.show_sel_class)
-		return bat_priv->algo_ops->gw.show_sel_class(bat_priv, buff);
-
-	return sprintf(buff, "%i\n", atomic_read(&bat_priv->gw.sel_class));
-}
-
-static ssize_t batadv_store_gw_sel_class(struct kobject *kobj,
-					 struct attribute *attr, char *buff,
-					 size_t count)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-	ssize_t length;
-
-	batadv_sysfs_deprecated(attr);
-
-	/* setting the GW selection class is allowed only if the routing
-	 * algorithm in use implements the GW API
-	 */
-	if (!bat_priv->algo_ops->gw.get_best_gw_node ||
-	    !bat_priv->algo_ops->gw.is_eligible)
-		return -EINVAL;
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	if (bat_priv->algo_ops->gw.store_sel_class)
-		return bat_priv->algo_ops->gw.store_sel_class(bat_priv, buff,
-							      count);
-
-	length = __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE,
-					  batadv_post_gw_reselect, attr,
-					  &bat_priv->gw.sel_class,
-					  bat_priv->soft_iface, NULL);
-
-	batadv_netlink_notify_mesh(bat_priv);
-
-	return length;
-}
-
-static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
-				     struct attribute *attr, char *buff)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-	u32 down, up;
-
-	batadv_sysfs_deprecated(attr);
-
-	down = atomic_read(&bat_priv->gw.bandwidth_down);
-	up = atomic_read(&bat_priv->gw.bandwidth_up);
-
-	return sprintf(buff, "%u.%u/%u.%u MBit\n", down / 10,
-		       down % 10, up / 10, up % 10);
-}
-
-static ssize_t batadv_store_gw_bwidth(struct kobject *kobj,
-				      struct attribute *attr, char *buff,
-				      size_t count)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	ssize_t length;
-
-	batadv_sysfs_deprecated(attr);
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	length = batadv_gw_bandwidth_set(net_dev, buff, count);
-
-	batadv_netlink_notify_mesh(bat_priv);
-
-	return length;
-}
-
-/**
- * batadv_show_isolation_mark() - print the current isolation mark/mask
- * @kobj: kobject representing the private mesh sysfs directory
- * @attr: the batman-adv attribute the user is interacting with
- * @buff: the buffer that will contain the data to send back to the user
- *
- * Return: the number of bytes written into 'buff' on success or a negative
- * error code in case of failure
- */
-static ssize_t batadv_show_isolation_mark(struct kobject *kobj,
-					  struct attribute *attr, char *buff)
-{
-	struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
-
-	batadv_sysfs_deprecated(attr);
-	return sprintf(buff, "%#.8x/%#.8x\n", bat_priv->isolation_mark,
-		       bat_priv->isolation_mark_mask);
-}
-
-/**
- * batadv_store_isolation_mark() - parse and store the isolation mark/mask
- *  entered by the user
- * @kobj: kobject representing the private mesh sysfs directory
- * @attr: the batman-adv attribute the user is interacting with
- * @buff: the buffer containing the user data
- * @count: number of bytes in the buffer
- *
- * Return: 'count' on success or a negative error code in case of failure
- */
-static ssize_t batadv_store_isolation_mark(struct kobject *kobj,
-					   struct attribute *attr, char *buff,
-					   size_t count)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_priv *bat_priv = netdev_priv(net_dev);
-	u32 mark, mask;
-	char *mask_ptr;
-
-	batadv_sysfs_deprecated(attr);
-
-	/* parse the mask if it has been specified, otherwise assume the mask is
-	 * the biggest possible
-	 */
-	mask = 0xFFFFFFFF;
-	mask_ptr = strchr(buff, '/');
-	if (mask_ptr) {
-		*mask_ptr = '\0';
-		mask_ptr++;
-
-		/* the mask must be entered in hex base as it is going to be a
-		 * bitmask and not a prefix length
-		 */
-		if (kstrtou32(mask_ptr, 16, &mask) < 0)
-			return -EINVAL;
-	}
-
-	/* the mark can be entered in any base */
-	if (kstrtou32(buff, 0, &mark) < 0)
-		return -EINVAL;
-
-	bat_priv->isolation_mark_mask = mask;
-	/* erase bits not covered by the mask */
-	bat_priv->isolation_mark = mark & bat_priv->isolation_mark_mask;
-
-	batadv_info(net_dev,
-		    "New skb mark for extended isolation: %#.8x/%#.8x\n",
-		    bat_priv->isolation_mark, bat_priv->isolation_mark_mask);
-
-	batadv_netlink_notify_mesh(bat_priv);
-
-	return count;
-}
-
-BATADV_ATTR_SIF_BOOL(aggregated_ogms, 0644, NULL);
-BATADV_ATTR_SIF_BOOL(bonding, 0644, NULL);
-#ifdef CONFIG_BATMAN_ADV_BLA
-BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, 0644, batadv_bla_status_update);
-#endif
-#ifdef CONFIG_BATMAN_ADV_DAT
-BATADV_ATTR_SIF_BOOL(distributed_arp_table, 0644, batadv_dat_status_update);
-#endif
-BATADV_ATTR_SIF_BOOL(fragmentation, 0644, batadv_update_min_mtu);
-static BATADV_ATTR(routing_algo, 0444, batadv_show_bat_algo, NULL);
-static BATADV_ATTR(gw_mode, 0644, batadv_show_gw_mode, batadv_store_gw_mode);
-BATADV_ATTR_SIF_UINT(orig_interval, orig_interval, 0644, 2 * BATADV_JITTER,
-		     INT_MAX, NULL);
-BATADV_ATTR_SIF_UINT(hop_penalty, hop_penalty, 0644, 0, BATADV_TQ_MAX_VALUE,
-		     NULL);
-static BATADV_ATTR(gw_sel_class, 0644, batadv_show_gw_sel_class,
-		   batadv_store_gw_sel_class);
-static BATADV_ATTR(gw_bandwidth, 0644, batadv_show_gw_bwidth,
-		   batadv_store_gw_bwidth);
-#ifdef CONFIG_BATMAN_ADV_MCAST
-BATADV_ATTR_SIF_BOOL(multicast_mode, 0644, NULL);
-#endif
-#ifdef CONFIG_BATMAN_ADV_DEBUG
-BATADV_ATTR_SIF_UINT(log_level, log_level, 0644, 0, BATADV_DBG_ALL, NULL);
-#endif
-#ifdef CONFIG_BATMAN_ADV_NC
-BATADV_ATTR_SIF_BOOL(network_coding, 0644, batadv_nc_status_update);
-#endif
-static BATADV_ATTR(isolation_mark, 0644, batadv_show_isolation_mark,
-		   batadv_store_isolation_mark);
-
-static struct batadv_attribute *batadv_mesh_attrs[] = {
-	&batadv_attr_aggregated_ogms,
-	&batadv_attr_bonding,
-#ifdef CONFIG_BATMAN_ADV_BLA
-	&batadv_attr_bridge_loop_avoidance,
-#endif
-#ifdef CONFIG_BATMAN_ADV_DAT
-	&batadv_attr_distributed_arp_table,
-#endif
-#ifdef CONFIG_BATMAN_ADV_MCAST
-	&batadv_attr_multicast_mode,
-#endif
-	&batadv_attr_fragmentation,
-	&batadv_attr_routing_algo,
-	&batadv_attr_gw_mode,
-	&batadv_attr_orig_interval,
-	&batadv_attr_hop_penalty,
-	&batadv_attr_gw_sel_class,
-	&batadv_attr_gw_bandwidth,
-#ifdef CONFIG_BATMAN_ADV_DEBUG
-	&batadv_attr_log_level,
-#endif
-#ifdef CONFIG_BATMAN_ADV_NC
-	&batadv_attr_network_coding,
-#endif
-	&batadv_attr_isolation_mark,
-	NULL,
-};
-
-BATADV_ATTR_VLAN_BOOL(ap_isolation, 0644, NULL);
-
-/* array of vlan specific sysfs attributes */
-static struct batadv_attribute *batadv_vlan_attrs[] = {
-	&batadv_attr_vlan_ap_isolation,
-	NULL,
-};
-
-/**
- * batadv_sysfs_add_meshif() - Add soft interface specific sysfs entries
- * @dev: netdev struct of the soft interface
- *
- * Return: 0 on success or negative error number in case of failure
- */
-int batadv_sysfs_add_meshif(struct net_device *dev)
-{
-	struct kobject *batif_kobject = &dev->dev.kobj;
-	struct batadv_priv *bat_priv = netdev_priv(dev);
-	struct batadv_attribute **bat_attr;
-	int err;
-
-	bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR,
-						    batif_kobject);
-	if (!bat_priv->mesh_obj) {
-		batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
-			   BATADV_SYSFS_IF_MESH_SUBDIR);
-		goto out;
-	}
-
-	for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) {
-		err = sysfs_create_file(bat_priv->mesh_obj,
-					&((*bat_attr)->attr));
-		if (err) {
-			batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
-				   dev->name, BATADV_SYSFS_IF_MESH_SUBDIR,
-				   ((*bat_attr)->attr).name);
-			goto rem_attr;
-		}
-	}
-
-	return 0;
-
-rem_attr:
-	for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
-		sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
-
-	kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE);
-	kobject_del(bat_priv->mesh_obj);
-	kobject_put(bat_priv->mesh_obj);
-	bat_priv->mesh_obj = NULL;
-out:
-	return -ENOMEM;
-}
-
-/**
- * batadv_sysfs_del_meshif() - Remove soft interface specific sysfs entries
- * @dev: netdev struct of the soft interface
- */
-void batadv_sysfs_del_meshif(struct net_device *dev)
-{
-	struct batadv_priv *bat_priv = netdev_priv(dev);
-	struct batadv_attribute **bat_attr;
-
-	for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
-		sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
-
-	kobject_uevent(bat_priv->mesh_obj, KOBJ_REMOVE);
-	kobject_del(bat_priv->mesh_obj);
-	kobject_put(bat_priv->mesh_obj);
-	bat_priv->mesh_obj = NULL;
-}
-
-/**
- * batadv_sysfs_add_vlan() - add all the needed sysfs objects for the new vlan
- * @dev: netdev of the mesh interface
- * @vlan: private data of the newly added VLAN interface
- *
- * Return: 0 on success and -ENOMEM if any of the structure allocations fails.
- */
-int batadv_sysfs_add_vlan(struct net_device *dev,
-			  struct batadv_softif_vlan *vlan)
-{
-	char vlan_subdir[sizeof(BATADV_SYSFS_VLAN_SUBDIR_PREFIX) + 5];
-	struct batadv_priv *bat_priv = netdev_priv(dev);
-	struct batadv_attribute **bat_attr;
-	int err;
-
-	if (vlan->vid & BATADV_VLAN_HAS_TAG) {
-		sprintf(vlan_subdir, BATADV_SYSFS_VLAN_SUBDIR_PREFIX "%hu",
-			vlan->vid & VLAN_VID_MASK);
-
-		vlan->kobj = kobject_create_and_add(vlan_subdir,
-						    bat_priv->mesh_obj);
-		if (!vlan->kobj) {
-			batadv_err(dev, "Can't add sysfs directory: %s/%s\n",
-				   dev->name, vlan_subdir);
-			goto out;
-		}
-	} else {
-		/* the untagged LAN uses the root folder to store its "VLAN
-		 * specific attributes"
-		 */
-		vlan->kobj = bat_priv->mesh_obj;
-		kobject_get(bat_priv->mesh_obj);
-	}
-
-	for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr) {
-		err = sysfs_create_file(vlan->kobj,
-					&((*bat_attr)->attr));
-		if (err) {
-			batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
-				   dev->name, vlan_subdir,
-				   ((*bat_attr)->attr).name);
-			goto rem_attr;
-		}
-	}
-
-	return 0;
-
-rem_attr:
-	for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
-		sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
-
-	if (vlan->kobj != bat_priv->mesh_obj) {
-		kobject_uevent(vlan->kobj, KOBJ_REMOVE);
-		kobject_del(vlan->kobj);
-	}
-	kobject_put(vlan->kobj);
-	vlan->kobj = NULL;
-out:
-	return -ENOMEM;
-}
-
-/**
- * batadv_sysfs_del_vlan() - remove all the sysfs objects for a given VLAN
- * @bat_priv: the bat priv with all the soft interface information
- * @vlan: the private data of the VLAN to destroy
- */
-void batadv_sysfs_del_vlan(struct batadv_priv *bat_priv,
-			   struct batadv_softif_vlan *vlan)
-{
-	struct batadv_attribute **bat_attr;
-
-	for (bat_attr = batadv_vlan_attrs; *bat_attr; ++bat_attr)
-		sysfs_remove_file(vlan->kobj, &((*bat_attr)->attr));
-
-	if (vlan->kobj != bat_priv->mesh_obj) {
-		kobject_uevent(vlan->kobj, KOBJ_REMOVE);
-		kobject_del(vlan->kobj);
-	}
-	kobject_put(vlan->kobj);
-	vlan->kobj = NULL;
-}
-
-static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
-				      struct attribute *attr, char *buff)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_hard_iface *hard_iface;
-	ssize_t length;
-	const char *ifname;
-
-	batadv_sysfs_deprecated(attr);
-
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);
-	if (!hard_iface)
-		return 0;
-
-	if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
-		ifname =  "none";
-	else
-		ifname = hard_iface->soft_iface->name;
-
-	length = sprintf(buff, "%s\n", ifname);
-
-	batadv_hardif_put(hard_iface);
-
-	return length;
-}
-
-/**
- * batadv_store_mesh_iface_finish() - store new hardif mesh_iface state
- * @net_dev: netdevice to add/remove to/from batman-adv soft-interface
- * @ifname: name of soft-interface to modify
- *
- * Changes the parts of the hard+soft interface which can not be modified under
- * sysfs lock (to prevent deadlock situations).
- *
- * Return: 0 on success, 0 < on failure
- */
-static int batadv_store_mesh_iface_finish(struct net_device *net_dev,
-					  char ifname[IFNAMSIZ])
-{
-	struct net *net = dev_net(net_dev);
-	struct batadv_hard_iface *hard_iface;
-	int status_tmp;
-	int ret = 0;
-
-	ASSERT_RTNL();
-
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);
-	if (!hard_iface)
-		return 0;
-
-	if (strncmp(ifname, "none", 4) == 0)
-		status_tmp = BATADV_IF_NOT_IN_USE;
-	else
-		status_tmp = BATADV_IF_I_WANT_YOU;
-
-	if (hard_iface->if_status == status_tmp)
-		goto out;
-
-	if (hard_iface->soft_iface &&
-	    strncmp(hard_iface->soft_iface->name, ifname, IFNAMSIZ) == 0)
-		goto out;
-
-	if (status_tmp == BATADV_IF_NOT_IN_USE) {
-		batadv_hardif_disable_interface(hard_iface,
-						BATADV_IF_CLEANUP_AUTO);
-		goto out;
-	}
-
-	/* if the interface already is in use */
-	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
-		batadv_hardif_disable_interface(hard_iface,
-						BATADV_IF_CLEANUP_AUTO);
-
-	ret = batadv_hardif_enable_interface(hard_iface, net, ifname);
-out:
-	batadv_hardif_put(hard_iface);
-	return ret;
-}
-
-/**
- * batadv_store_mesh_iface_work() - store new hardif mesh_iface state
- * @work: work queue item
- *
- * Changes the parts of the hard+soft interface which can not be modified under
- * sysfs lock (to prevent deadlock situations).
- */
-static void batadv_store_mesh_iface_work(struct work_struct *work)
-{
-	struct batadv_store_mesh_work *store_work;
-	int ret;
-
-	store_work = container_of(work, struct batadv_store_mesh_work, work);
-
-	rtnl_lock();
-	ret = batadv_store_mesh_iface_finish(store_work->net_dev,
-					     store_work->soft_iface_name);
-	rtnl_unlock();
-
-	if (ret < 0)
-		pr_err("Failed to store new mesh_iface state %s for %s: %d\n",
-		       store_work->soft_iface_name, store_work->net_dev->name,
-		       ret);
-
-	dev_put(store_work->net_dev);
-	kfree(store_work);
-}
-
-static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
-				       struct attribute *attr, char *buff,
-				       size_t count)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_store_mesh_work *store_work;
-
-	batadv_sysfs_deprecated(attr);
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	if (strlen(buff) >= IFNAMSIZ) {
-		pr_err("Invalid parameter for 'mesh_iface' setting received: interface name too long '%s'\n",
-		       buff);
-		return -EINVAL;
-	}
-
-	store_work = kmalloc(sizeof(*store_work), GFP_KERNEL);
-	if (!store_work)
-		return -ENOMEM;
-
-	dev_hold(net_dev);
-	INIT_WORK(&store_work->work, batadv_store_mesh_iface_work);
-	store_work->net_dev = net_dev;
-	strscpy(store_work->soft_iface_name, buff,
-		sizeof(store_work->soft_iface_name));
-
-	queue_work(batadv_event_workqueue, &store_work->work);
-
-	return count;
-}
-
-static ssize_t batadv_show_iface_status(struct kobject *kobj,
-					struct attribute *attr, char *buff)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_hard_iface *hard_iface;
-	ssize_t length;
-
-	batadv_sysfs_deprecated(attr);
-
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);
-	if (!hard_iface)
-		return 0;
-
-	switch (hard_iface->if_status) {
-	case BATADV_IF_TO_BE_REMOVED:
-		length = sprintf(buff, "disabling\n");
-		break;
-	case BATADV_IF_INACTIVE:
-		length = sprintf(buff, "inactive\n");
-		break;
-	case BATADV_IF_ACTIVE:
-		length = sprintf(buff, "active\n");
-		break;
-	case BATADV_IF_TO_BE_ACTIVATED:
-		length = sprintf(buff, "enabling\n");
-		break;
-	case BATADV_IF_NOT_IN_USE:
-	default:
-		length = sprintf(buff, "not in use\n");
-		break;
-	}
-
-	batadv_hardif_put(hard_iface);
-
-	return length;
-}
-
-#ifdef CONFIG_BATMAN_ADV_BATMAN_V
-
-/**
- * batadv_store_throughput_override() - parse and store throughput override
- *  entered by the user
- * @kobj: kobject representing the private mesh sysfs directory
- * @attr: the batman-adv attribute the user is interacting with
- * @buff: the buffer containing the user data
- * @count: number of bytes in the buffer
- *
- * Return: 'count' on success or a negative error code in case of failure
- */
-static ssize_t batadv_store_throughput_override(struct kobject *kobj,
-						struct attribute *attr,
-						char *buff, size_t count)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_hard_iface *hard_iface;
-	struct batadv_priv *bat_priv;
-	u32 tp_override;
-	u32 old_tp_override;
-	bool ret;
-
-	batadv_sysfs_deprecated(attr);
-
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);
-	if (!hard_iface)
-		return -EINVAL;
-
-	if (buff[count - 1] == '\n')
-		buff[count - 1] = '\0';
-
-	ret = batadv_parse_throughput(net_dev, buff, "throughput_override",
-				      &tp_override);
-	if (!ret)
-		goto out;
-
-	old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
-	if (old_tp_override == tp_override)
-		goto out;
-
-	batadv_info(hard_iface->soft_iface,
-		    "%s: %s: Changing from: %u.%u MBit to: %u.%u MBit\n",
-		    "throughput_override", net_dev->name,
-		    old_tp_override / 10, old_tp_override % 10,
-		    tp_override / 10, tp_override % 10);
-
-	atomic_set(&hard_iface->bat_v.throughput_override, tp_override);
-
-	if (hard_iface->soft_iface) {
-		bat_priv = netdev_priv(hard_iface->soft_iface);
-		batadv_netlink_notify_hardif(bat_priv, hard_iface);
-	}
-
-out:
-	batadv_hardif_put(hard_iface);
-	return count;
-}
-
-static ssize_t batadv_show_throughput_override(struct kobject *kobj,
-					       struct attribute *attr,
-					       char *buff)
-{
-	struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
-	struct batadv_hard_iface *hard_iface;
-	u32 tp_override;
-
-	batadv_sysfs_deprecated(attr);
-
-	hard_iface = batadv_hardif_get_by_netdev(net_dev);
-	if (!hard_iface)
-		return -EINVAL;
-
-	tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
-
-	batadv_hardif_put(hard_iface);
-	return sprintf(buff, "%u.%u MBit\n", tp_override / 10,
-		       tp_override % 10);
-}
-
-#endif
-
-static BATADV_ATTR(mesh_iface, 0644, batadv_show_mesh_iface,
-		   batadv_store_mesh_iface);
-static BATADV_ATTR(iface_status, 0444, batadv_show_iface_status, NULL);
-#ifdef CONFIG_BATMAN_ADV_BATMAN_V
-BATADV_ATTR_HIF_UINT(elp_interval, bat_v.elp_interval, 0644,
-		     2 * BATADV_JITTER, INT_MAX, NULL);
-static BATADV_ATTR(throughput_override, 0644, batadv_show_throughput_override,
-		   batadv_store_throughput_override);
-#endif
-
-static struct batadv_attribute *batadv_batman_attrs[] = {
-	&batadv_attr_mesh_iface,
-	&batadv_attr_iface_status,
-#ifdef CONFIG_BATMAN_ADV_BATMAN_V
-	&batadv_attr_elp_interval,
-	&batadv_attr_throughput_override,
-#endif
-	NULL,
-};
-
-/**
- * batadv_sysfs_add_hardif() - Add hard interface specific sysfs entries
- * @hardif_obj: address where to store the pointer to new sysfs folder
- * @dev: netdev struct of the hard interface
- *
- * Return: 0 on success or negative error number in case of failure
- */
-int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
-{
-	struct kobject *hardif_kobject = &dev->dev.kobj;
-	struct batadv_attribute **bat_attr;
-	int err;
-
-	*hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR,
-					     hardif_kobject);
-
-	if (!*hardif_obj) {
-		batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name,
-			   BATADV_SYSFS_IF_BAT_SUBDIR);
-		goto out;
-	}
-
-	for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) {
-		err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr));
-		if (err) {
-			batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n",
-				   dev->name, BATADV_SYSFS_IF_BAT_SUBDIR,
-				   ((*bat_attr)->attr).name);
-			goto rem_attr;
-		}
-	}
-
-	return 0;
-
-rem_attr:
-	for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr)
-		sysfs_remove_file(*hardif_obj, &((*bat_attr)->attr));
-out:
-	return -ENOMEM;
-}
-
-/**
- * batadv_sysfs_del_hardif() - Remove hard interface specific sysfs entries
- * @hardif_obj: address to the pointer to which stores batman-adv sysfs folder
- *  of the hard interface
- */
-void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
-{
-	kobject_uevent(*hardif_obj, KOBJ_REMOVE);
-	kobject_del(*hardif_obj);
-	kobject_put(*hardif_obj);
-	*hardif_obj = NULL;
-}