v4.19.13 snapshot.
diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h
new file mode 100644
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--- /dev/null
+++ b/net/batman-adv/translation-table.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich, Antonio Quartulli
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
+#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
+
+#include "main.h"
+
+#include <linux/types.h>
+
+struct netlink_callback;
+struct net_device;
+struct seq_file;
+struct sk_buff;
+
+int batadv_tt_init(struct batadv_priv *bat_priv);
+bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
+ unsigned short vid, int ifindex, u32 mark);
+u16 batadv_tt_local_remove(struct batadv_priv *bat_priv,
+ const u8 *addr, unsigned short vid,
+ const char *message, bool roaming);
+int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
+int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
+int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb);
+int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb);
+void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ s32 match_vid, const char *message);
+int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
+ const u8 *addr, unsigned short vid);
+struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
+ const u8 *src, const u8 *addr,
+ unsigned short vid);
+void batadv_tt_free(struct batadv_priv *bat_priv);
+bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
+ unsigned short vid);
+bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst,
+ unsigned short vid);
+void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv);
+bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
+ u8 *addr, unsigned short vid);
+bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv,
+ u8 *addr, unsigned short vid);
+void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface);
+bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *addr,
+ unsigned short vid);
+bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
+ const u8 *addr, unsigned short vid);
+
+int batadv_tt_cache_init(void);
+void batadv_tt_cache_destroy(void);
+
+#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */