change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/net/batman-adv/translation-table.h
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@@ -1,19 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
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+/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
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  *
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  * Marek Lindner, Simon Wunderlich, Antonio Quartulli
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of version 2 of the GNU General Public
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- * License as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
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@@ -21,12 +9,12 @@
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9
 
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 #include "main.h"
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+#include <linux/kref.h>
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+#include <linux/netdevice.h>
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+#include <linux/netlink.h>
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+#include <linux/seq_file.h>
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+#include <linux/skbuff.h>
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 #include <linux/types.h>
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-
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-struct netlink_callback;
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-struct net_device;
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-struct seq_file;
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-struct sk_buff;
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 int batadv_tt_init(struct batadv_priv *bat_priv);
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 bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr,
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@@ -41,6 +29,10 @@
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 void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
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 			       struct batadv_orig_node *orig_node,
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 			       s32 match_vid, const char *message);
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+struct batadv_tt_global_entry *
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+batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
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+			   unsigned short vid);
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+void batadv_tt_global_entry_release(struct kref *ref);
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 int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
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 				const u8 *addr, unsigned short vid);
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 struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
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@@ -67,4 +59,19 @@
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 int batadv_tt_cache_init(void);
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 void batadv_tt_cache_destroy(void);
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+/**
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+ * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
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+ *  possibly release it
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+ * @tt_global_entry: tt_global_entry to be free'd
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+ */
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+static inline void
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+batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
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+{
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+	if (!tt_global_entry)
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+		return;
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+
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+	kref_put(&tt_global_entry->common.refcount,
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+		 batadv_tt_global_entry_release);
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+}
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+
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 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */