1 /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
3 * Marek Lindner, Simon Wunderlich
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of version 2 of the GNU General Public
7 * License as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
21 #define _NET_BATMAN_ADV_HARD_INTERFACE_H_
32 extern struct notifier_block batadv_hard_if_notifier;
35 batadv_hardif_get_by_netdev(const struct net_device *net_dev);
36 int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
37 const char *iface_name);
38 void batadv_hardif_disable_interface(struct hard_iface *hard_iface);
39 void batadv_hardif_remove_interfaces(void);
40 int batadv_hardif_min_mtu(struct net_device *soft_iface);
41 void batadv_update_min_mtu(struct net_device *soft_iface);
42 void batadv_hardif_free_rcu(struct rcu_head *rcu);
43 bool batadv_is_wifi_iface(int ifindex);
45 static inline void hardif_free_ref(struct hard_iface *hard_iface)
47 if (atomic_dec_and_test(&hard_iface->refcount))
48 call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu);
51 static inline struct hard_iface *primary_if_get_selected(
52 struct bat_priv *bat_priv)
54 struct hard_iface *hard_iface;
57 hard_iface = rcu_dereference(bat_priv->primary_if);
61 if (!atomic_inc_not_zero(&hard_iface->refcount))
69 #endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */