mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 14:21:47 +00:00
567db7b0b7
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
|
|
*
|
|
* Marek Lindner, Simon Wunderlich
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of version 2 of the GNU General Public
|
|
* License as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA
|
|
*
|
|
*/
|
|
|
|
#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
|
|
#define _NET_BATMAN_ADV_HARD_INTERFACE_H_
|
|
|
|
enum hard_if_state {
|
|
IF_NOT_IN_USE,
|
|
IF_TO_BE_REMOVED,
|
|
IF_INACTIVE,
|
|
IF_ACTIVE,
|
|
IF_TO_BE_ACTIVATED,
|
|
IF_I_WANT_YOU
|
|
};
|
|
|
|
extern struct notifier_block hard_if_notifier;
|
|
|
|
struct hard_iface*
|
|
hardif_get_by_netdev(const struct net_device *net_dev);
|
|
int hardif_enable_interface(struct hard_iface *hard_iface,
|
|
const char *iface_name);
|
|
void hardif_disable_interface(struct hard_iface *hard_iface);
|
|
void hardif_remove_interfaces(void);
|
|
int hardif_min_mtu(struct net_device *soft_iface);
|
|
void update_min_mtu(struct net_device *soft_iface);
|
|
void hardif_free_rcu(struct rcu_head *rcu);
|
|
bool is_wifi_iface(int ifindex);
|
|
|
|
static inline void hardif_free_ref(struct hard_iface *hard_iface)
|
|
{
|
|
if (atomic_dec_and_test(&hard_iface->refcount))
|
|
call_rcu(&hard_iface->rcu, hardif_free_rcu);
|
|
}
|
|
|
|
static inline struct hard_iface *primary_if_get_selected(
|
|
struct bat_priv *bat_priv)
|
|
{
|
|
struct hard_iface *hard_iface;
|
|
|
|
rcu_read_lock();
|
|
hard_iface = rcu_dereference(bat_priv->primary_if);
|
|
if (!hard_iface)
|
|
goto out;
|
|
|
|
if (!atomic_inc_not_zero(&hard_iface->refcount))
|
|
hard_iface = NULL;
|
|
|
|
out:
|
|
rcu_read_unlock();
|
|
return hard_iface;
|
|
}
|
|
|
|
#endif /* _NET_BATMAN_ADV_HARD_INTERFACE_H_ */
|