1 files changed, 167 insertions, 0 deletions
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
new file mode 100644
index 000000000..ea3d69e4e
--- /dev/null
+++ b/net/batman-adv/originator.h
@@ -0,0 +1,167 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ */
+
+#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
+#define _NET_BATMAN_ADV_ORIGINATOR_H_
+
+#include "main.h"
+
+#include <linux/compiler.h>
+#include <linux/if_ether.h>
+#include <linux/jhash.h>
+#include <linux/kref.h>
+#include <linux/netlink.h>
+#include <linux/skbuff.h>
+#include <linux/types.h>
+
+bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
+int batadv_originator_init(struct batadv_priv *bat_priv);
+void batadv_originator_free(struct batadv_priv *bat_priv);
+void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
+void batadv_orig_node_release(struct kref *ref);
+struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
+					      const u8 *addr);
+struct batadv_hardif_neigh_node *
+batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
+			const u8 *neigh_addr);
+void batadv_hardif_neigh_release(struct kref *ref);
+struct batadv_neigh_node *
+batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
+				struct batadv_hard_iface *hard_iface,
+				const u8 *neigh_addr);
+void batadv_neigh_node_release(struct kref *ref);
+struct batadv_neigh_node *
+batadv_orig_router_get(struct batadv_orig_node *orig_node,
+		       const struct batadv_hard_iface *if_outgoing);
+struct batadv_neigh_ifinfo *
+batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
+			struct batadv_hard_iface *if_outgoing);
+struct batadv_neigh_ifinfo *
+batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
+			struct batadv_hard_iface *if_outgoing);
+void batadv_neigh_ifinfo_release(struct kref *ref);
+
+int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
+
+struct batadv_orig_ifinfo *
+batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
+		       struct batadv_hard_iface *if_outgoing);
+struct batadv_orig_ifinfo *
+batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
+		       struct batadv_hard_iface *if_outgoing);
+void batadv_orig_ifinfo_release(struct kref *ref);
+
+int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
+struct batadv_orig_node_vlan *
+batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
+			  unsigned short vid);
+struct batadv_orig_node_vlan *
+batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
+			  unsigned short vid);
+void batadv_orig_node_vlan_release(struct kref *ref);
+
+/**
+ * batadv_choose_orig() - Return the index of the orig entry in the hash table
+ * @data: mac address of the originator node
+ * @size: the size of the hash table
+ *
+ * Return: the hash index where the object represented by @data should be
+ * stored at.
+ */
+static inline u32 batadv_choose_orig(const void *data, u32 size)
+{
+	u32 hash = 0;
+
+	hash = jhash(data, ETH_ALEN, hash);
+	return hash % size;
+}
+
+struct batadv_orig_node *
+batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
+
+/**
+ * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
+ *  the originator-vlan object
+ * @orig_vlan: the originator-vlan object to release
+ */
+static inline void
+batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
+{
+	if (!orig_vlan)
+		return;
+
+	kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
+}
+
+/**
+ * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
+ *  the neigh_ifinfo
+ * @neigh_ifinfo: the neigh_ifinfo object to release
+ */
+static inline void
+batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
+{
+	if (!neigh_ifinfo)
+		return;
+
+	kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
+}
+
+/**
+ * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
+ *  and possibly release it
+ * @hardif_neigh: hardif neigh neighbor to free
+ */
+static inline void
+batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
+{
+	if (!hardif_neigh)
+		return;
+
+	kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
+}
+
+/**
+ * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
+ *  release it
+ * @neigh_node: neigh neighbor to free
+ */
+static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
+{
+	if (!neigh_node)
+		return;
+
+	kref_put(&neigh_node->refcount, batadv_neigh_node_release);
+}
+
+/**
+ * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
+ *  the orig_ifinfo
+ * @orig_ifinfo: the orig_ifinfo object to release
+ */
+static inline void
+batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
+{
+	if (!orig_ifinfo)
+		return;
+
+	kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
+}
+
+/**
+ * batadv_orig_node_put() - decrement the orig node refcounter and possibly
+ *  release it
+ * @orig_node: the orig node to free
+ */
+static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node)
+{
+	if (!orig_node)
+		return;
+
+	kref_put(&orig_node->refcount, batadv_orig_node_release);
+}
+
+#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */