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Diffstat (limited to 'net/batman-adv/hard-interface.h')
-rw-r--r--net/batman-adv/hard-interface.h84
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);