linux/net/batman-adv/hard-interface.h

/* 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 { … };

/**
 * enum batadv_hard_if_bcast - broadcast avoidance options
 */
enum batadv_hard_if_bcast { … };

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 *soft_iface);
void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
int batadv_hardif_min_mtu(struct net_device *soft_iface);
void batadv_update_min_mtu(struct net_device *soft_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)
{ … }

/**
 * batadv_primary_if_get_selected() - Get reference to primary interface
 * @bat_priv: the bat priv with all the soft 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)
{ … }

#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */