add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/net/batman-adv/soft-interface.h
..
..
@@ -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
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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_SOFT_INTERFACE_H_
..
..
@@ -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/skbuff.h>
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 #include <linux/types.h>
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+#include <net/net_namespace.h>
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 #include <net/rtnetlink.h>
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-
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-struct net_device;
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-struct net;
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-struct sk_buff;
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 int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
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 void batadv_interface_rx(struct net_device *soft_iface,
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@@ -37,8 +25,21 @@
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 bool batadv_softif_is_valid(const struct net_device *net_dev);
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 extern struct rtnl_link_ops batadv_link_ops;
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 int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
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-void batadv_softif_vlan_put(struct batadv_softif_vlan *softif_vlan);
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+void batadv_softif_vlan_release(struct kref *ref);
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 struct batadv_softif_vlan *batadv_softif_vlan_get(struct batadv_priv *bat_priv,
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 						  unsigned short vid);
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+/**
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+ * batadv_softif_vlan_put() - decrease the vlan object refcounter and
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+ *  possibly release it
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+ * @vlan: the vlan object to release
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+ */
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+static inline void batadv_softif_vlan_put(struct batadv_softif_vlan *vlan)
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+{
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+	if (!vlan)
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+		return;
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+
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+	kref_put(&vlan->refcount, batadv_softif_vlan_release);
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+}
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+
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 #endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */