batman-adv: split tq information in neigh_node struct

[firefly-linux-kernel-4.4.55.git] / net / batman-adv / hard-interface.h

diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
index d8ca8ac829c1cc4734cdf9063ab71fefec0abe6f..8d4304b74b5d0f9a7797b7d92c261d083bc0f48d 100644 (file)
--- a/net/batman-adv/hard-interface.h
+++ b/net/batman-adv/hard-interface.h
@@ -51,6 +51,11 @@ 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);
 
+/**
+ * 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)
 {
@@ -58,6 +63,18 @@ batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface)
                call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu);
 }
 
+/**
+ * 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))
+               batadv_hardif_free_rcu(&hard_iface->rcu);
+}
+
 static inline struct batadv_hard_iface *
 batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
 {