From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 net/batman-adv/originator.h | 95 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 net/batman-adv/originator.h

(limited to 'net/batman-adv/originator.h')

diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
new file mode 100644
index 00000000..3fe2eda8
--- /dev/null
+++ b/net/batman-adv/originator.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * 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
+ *
+ */
+
+#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, const uint8_t *addr);
+struct neigh_node *create_neighbor(struct orig_node *orig_node,
+				   struct orig_node *orig_neigh_node,
+				   const uint8_t *neigh,
+				   struct hard_iface *if_incoming);
+void neigh_node_free_ref(struct neigh_node *neigh_node);
+struct neigh_node *orig_node_get_router(struct orig_node *orig_node);
+int orig_seq_print_text(struct seq_file *seq, void *offset);
+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);
+
+
+/* hashfunction to choose an entry in a hash table of given size */
+/* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */
+static inline uint32_t choose_orig(const void *data, uint32_t size)
+{
+	const unsigned char *key = data;
+	uint32_t hash = 0;
+	size_t i;
+
+	for (i = 0; i < 6; i++) {
+		hash += key[i];
+		hash += (hash << 10);
+		hash ^= (hash >> 6);
+	}
+
+	hash += (hash << 3);
+	hash ^= (hash >> 11);
+	hash += (hash << 15);
+
+	return hash % size;
+}
+
+static inline struct orig_node *orig_hash_find(struct bat_priv *bat_priv,
+					       const 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_ */
-- 
cgit