xref: /linux/net/batman-adv/hard-interface.h (revision fb86d7648ffdfc8778db2cd70d4bc5c6093e04c5)
1 /*
2  * Copyright (C) 2007-2010 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 batman_if *get_batman_if_by_netdev(struct net_device *net_dev);
35 int hardif_enable_interface(struct batman_if *batman_if, char *iface_name);
36 void hardif_disable_interface(struct batman_if *batman_if);
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 
41 static inline void hardif_free_ref(struct kref *refcount)
42 {
43 	struct batman_if *batman_if;
44 
45 	batman_if = container_of(refcount, struct batman_if, refcount);
46 	kfree(batman_if);
47 }
48 
49 #endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */
50