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authorMarek Lindner <lindner_marek@yahoo.de>2011-02-18 12:28:09 +0000
committerMarek Lindner <lindner_marek@yahoo.de>2011-03-05 12:52:00 +0100
commit7aadf889e897155c45cda230d2a6701ad1fbff61 (patch)
tree4a31df411c29844afe25ccde17d2ff9e618241c1 /net/batman-adv/originator.h
parent39901e716275da4e831b40f9e45a1b61d6a776dc (diff)
downloadblackbird-op-linux-7aadf889e897155c45cda230d2a6701ad1fbff61.tar.gz
blackbird-op-linux-7aadf889e897155c45cda230d2a6701ad1fbff61.zip
batman-adv: remove extra layer between hash and hash element - hash bucket
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Diffstat (limited to 'net/batman-adv/originator.h')
-rw-r--r--net/batman-adv/originator.h35
1 files changed, 34 insertions, 1 deletions
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
index 84d96e2eea47..b4b9a09259fd 100644
--- a/net/batman-adv/originator.h
+++ b/net/batman-adv/originator.h
@@ -22,6 +22,8 @@
#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);
@@ -38,8 +40,10 @@ int orig_hash_del_if(struct batman_if *batman_if, 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);
}
@@ -64,4 +68,33 @@ 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;
+
+ orig_node_tmp = orig_node;
+ kref_get(&orig_node_tmp->refcount);
+ break;
+ }
+ rcu_read_unlock();
+
+ return orig_node_tmp;
+}
+
#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
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