/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) B.A.T.M.A.N. contributors:
*
* Marek Lindner , Simon Wunderlich
*/
#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
#include "main.h"
#include <linux/compiler.h>
#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/notifier.h>
#include <linux/rcupdate.h>
#include <linux/stddef.h>
#include <linux/types.h>
/**
* enum batadv_hard_if_state - State of a hard interface
*/
enum batadv_hard_if_state {
/**
* @ BATADV_IF_NOT_IN_USE : interface is not used as slave interface of a
* batman - adv mesh interface
*/
BATADV_IF_NOT_IN_USE,
/**
* @ BATADV_IF_TO_BE_REMOVED : interface will be removed from mesh
* interface
*/
BATADV_IF_TO_BE_REMOVED,
/** @BATADV_IF_INACTIVE: interface is deactivated */
BATADV_IF_INACTIVE,
/** @BATADV_IF_ACTIVE: interface is used */
BATADV_IF_ACTIVE,
/** @BATADV_IF_TO_BE_ACTIVATED: interface is getting activated */
BATADV_IF_TO_BE_ACTIVATED,
};
/**
* enum batadv_hard_if_bcast - broadcast avoidance options
*/
enum batadv_hard_if_bcast {
/** @BATADV_HARDIF_BCAST_OK: Do broadcast on according hard interface */
BATADV_HARDIF_BCAST_OK = 0 ,
/**
* @ BATADV_HARDIF_BCAST_NORECIPIENT : Broadcast not needed , there is no
* recipient
*/
BATADV_HARDIF_BCAST_NORECIPIENT,
/**
* @ BATADV_HARDIF_BCAST_DUPFWD : There is just the neighbor we got it
* from
*/
BATADV_HARDIF_BCAST_DUPFWD,
/** @BATADV_HARDIF_BCAST_DUPORIG: There is just the originator */
BATADV_HARDIF_BCAST_DUPORIG,
};
extern struct notifier_block batadv_hard_if_notifier;
struct net_device *batadv_get_real_netdev(struct net_device *net_device);
bool batadv_is_cfg80211_hardif(struct batadv_hard_iface *hard_iface);
bool batadv_is_wifi_hardif(struct batadv_hard_iface *hard_iface);
struct batadv_hard_iface*
batadv_hardif_get_by_netdev(const struct net_device *net_dev);
int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
struct net_device *mesh_iface);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
int batadv_hardif_min_mtu(struct net_device *mesh_iface);
void batadv_update_min_mtu(struct net_device *mesh_iface);
void batadv_hardif_release(struct kref *ref);
int batadv_hardif_no_broadcast(struct batadv_hard_iface *if_outgoing,
u8 *orig_addr, u8 *orig_neigh);
/**
* batadv_hardif_put ( ) - decrement the hard interface refcounter and possibly
* release it
* @ hard_iface : the hard interface to free
*/
static inline void batadv_hardif_put(struct batadv_hard_iface *hard_iface)
{
if (!hard_iface)
return ;
kref_put(&hard_iface->refcount, batadv_hardif_release);
}
/**
* batadv_primary_if_get_selected ( ) - Get reference to primary interface
* @ bat_priv : the bat priv with all the mesh interface information
*
* Return : primary interface ( with increased refcnt ) , otherwise NULL
*/
static inline struct batadv_hard_iface *
batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
{
struct batadv_hard_iface *hard_iface;
rcu_read_lock();
hard_iface = rcu_dereference(bat_priv->primary_if);
if (!hard_iface)
goto out;
if (!kref_get_unless_zero(&hard_iface->refcount))
hard_iface = NULL;
out:
rcu_read_unlock();
return hard_iface;
}
#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */
Messung V0.5 in Prozent C=88 H=96 G=91
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-09-29)
¤
*© Formatika GbR, Deutschland