diff options
Diffstat (limited to 'net/batman-adv/hard-interface.h')
| -rw-r--r-- | net/batman-adv/hard-interface.h | 84 |
1 files changed, 55 insertions, 29 deletions
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h index 67f78d1a63b..1918cd50b62 100644 --- a/net/batman-adv/hard-interface.h +++ b/net/batman-adv/hard-interface.h @@ -1,5 +1,4 @@ -/* - * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors: +/* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich * @@ -13,47 +12,74 @@ * 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 - * + * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #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 +enum batadv_hard_if_state { + BATADV_IF_NOT_IN_USE, + BATADV_IF_TO_BE_REMOVED, + BATADV_IF_INACTIVE, + BATADV_IF_ACTIVE, + BATADV_IF_TO_BE_ACTIVATED, + BATADV_IF_I_WANT_YOU, }; -extern struct notifier_block hard_if_notifier; +/** + * enum batadv_hard_if_cleanup - Cleanup modi for soft_iface after slave removal + * @BATADV_IF_CLEANUP_KEEP: Don't automatically delete soft-interface + * @BATADV_IF_CLEANUP_AUTO: Delete soft-interface after last slave was removed + */ +enum batadv_hard_if_cleanup { + BATADV_IF_CLEANUP_KEEP, + BATADV_IF_CLEANUP_AUTO, +}; + +extern struct notifier_block batadv_hard_if_notifier; + +bool batadv_is_wifi_netdev(struct net_device *net_device); +bool batadv_is_wifi_iface(int ifindex); +struct batadv_hard_iface* +batadv_hardif_get_by_netdev(const struct net_device *net_dev); +int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, + const char *iface_name); +void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface, + enum batadv_hard_if_cleanup autodel); +void batadv_hardif_remove_interfaces(void); +int batadv_hardif_min_mtu(struct net_device *soft_iface); +void batadv_update_min_mtu(struct net_device *soft_iface); +void batadv_hardif_free_rcu(struct rcu_head *rcu); -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); +/** + * batadv_hardif_free_ref - decrement the hard interface refcounter and + * possibly free it + * @hard_iface: the hard interface to free + */ +static inline void +batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface) +{ + if (atomic_dec_and_test(&hard_iface->refcount)) + call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu); +} -static inline void hardif_free_ref(struct hard_iface *hard_iface) +/** + * batadv_hardif_free_ref_now - decrement the hard interface refcounter and + * possibly free it (without rcu callback) + * @hard_iface: the hard interface to free + */ +static inline void +batadv_hardif_free_ref_now(struct batadv_hard_iface *hard_iface) { if (atomic_dec_and_test(&hard_iface->refcount)) - call_rcu(&hard_iface->rcu, hardif_free_rcu); + batadv_hardif_free_rcu(&hard_iface->rcu); } -static inline struct hard_iface *primary_if_get_selected( - struct bat_priv *bat_priv) +static inline struct batadv_hard_iface * +batadv_primary_if_get_selected(struct batadv_priv *bat_priv) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; rcu_read_lock(); hard_iface = rcu_dereference(bat_priv->primary_if); |
