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 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