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-rw-r--r--net/batman-adv/originator.h52
1 files changed, 45 insertions, 7 deletions
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
index d474ceb2a4e..5cc011057da 100644
--- a/net/batman-adv/originator.h
+++ b/net/batman-adv/originator.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -22,21 +22,28 @@
#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
#define _NET_BATMAN_ADV_ORIGINATOR_H_
+#include "hash.h"
+
int originator_init(struct bat_priv *bat_priv);
void originator_free(struct bat_priv *bat_priv);
void purge_orig_ref(struct bat_priv *bat_priv);
+void orig_node_free_ref(struct orig_node *orig_node);
struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr);
-struct neigh_node *
-create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
- uint8_t *neigh, struct batman_if *if_incoming);
+struct neigh_node *create_neighbor(struct orig_node *orig_node,
+ struct orig_node *orig_neigh_node,
+ uint8_t *neigh,
+ struct hard_iface *if_incoming);
+void neigh_node_free_ref(struct neigh_node *neigh_node);
int orig_seq_print_text(struct seq_file *seq, void *offset);
-int orig_hash_add_if(struct batman_if *batman_if, int max_if_num);
-int orig_hash_del_if(struct batman_if *batman_if, int max_if_num);
+int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num);
+int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num);
/* returns 1 if they are the same originator */
-static inline int compare_orig(void *data1, void *data2)
+static inline int compare_orig(struct hlist_node *node, void *data2)
{
+ void *data1 = container_of(node, struct orig_node, hash_entry);
+
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
}
@@ -61,4 +68,35 @@ static inline int choose_orig(void *data, int32_t size)
return hash % size;
}
+static inline struct orig_node *orig_hash_find(struct bat_priv *bat_priv,
+ void *data)
+{
+ struct hashtable_t *hash = bat_priv->orig_hash;
+ struct hlist_head *head;
+ struct hlist_node *node;
+ struct orig_node *orig_node, *orig_node_tmp = NULL;
+ int index;
+
+ if (!hash)
+ return NULL;
+
+ index = choose_orig(data, hash->size);
+ head = &hash->table[index];
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
+ if (!compare_eth(orig_node, data))
+ continue;
+
+ if (!atomic_inc_not_zero(&orig_node->refcount))
+ continue;
+
+ orig_node_tmp = orig_node;
+ break;
+ }
+ rcu_read_unlock();
+
+ return orig_node_tmp;
+}
+
#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */