1 /*
2 * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
3 *
4 * Marek Lindner, Simon Wunderlich
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA
19 *
20 */
21
22 #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
23 #define _NET_BATMAN_ADV_HARD_INTERFACE_H_
24
25 #define IF_NOT_IN_USE 0
26 #define IF_TO_BE_REMOVED 1
27 #define IF_INACTIVE 2
28 #define IF_ACTIVE 3
29 #define IF_TO_BE_ACTIVATED 4
30 #define IF_I_WANT_YOU 5
31
32 extern struct notifier_block hard_if_notifier;
33
34 struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev);
35 int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name);
36 void hardif_disable_interface(struct hard_iface *hard_iface);
37 void hardif_remove_interfaces(void);
38 int hardif_min_mtu(struct net_device *soft_iface);
39 void update_min_mtu(struct net_device *soft_iface);
40 void hardif_free_rcu(struct rcu_head *rcu);
41
hardif_free_ref(struct hard_iface * hard_iface)42 static inline void hardif_free_ref(struct hard_iface *hard_iface)
43 {
44 if (atomic_dec_and_test(&hard_iface->refcount))
45 call_rcu(&hard_iface->rcu, hardif_free_rcu);
46 }
47
48 #endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */
49