add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/net/batman-adv/multicast.h
..
..
@@ -1,19 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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-/* Copyright (C) 2014-2018  B.A.T.M.A.N. contributors:
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+/* Copyright (C) 2014-2020  B.A.T.M.A.N. contributors:
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  *
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  * Linus Lüssing
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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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6
 
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 #ifndef _NET_BATMAN_ADV_MULTICAST_H_
..
..
@@ -21,9 +9,9 @@
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9
 
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 #include "main.h"
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11
 
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-struct netlink_callback;
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-struct seq_file;
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-struct sk_buff;
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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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 /**
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  * enum batadv_forw_mode - the way a packet should be forwarded as
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@@ -34,6 +22,13 @@
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 	 *  classic flooding)
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 	 */
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 	BATADV_FORW_ALL,
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+
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+	/**
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+	 * @BATADV_FORW_SOME: forward the packet to some nodes (currently via
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+	 *  a multicast-to-unicast conversion and the BATMAN unicast routing
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+	 *  protocol)
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+	 */
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+	BATADV_FORW_SOME,
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 	/**
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 	 * @BATADV_FORW_SINGLE: forward the packet to a single node (currently
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@@ -49,12 +44,16 @@
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 enum batadv_forw_mode
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 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
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-		       struct batadv_orig_node **mcast_single_orig);
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+		       struct batadv_orig_node **mcast_single_orig,
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+		       int *is_routable);
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 int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv,
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 				struct sk_buff *skb,
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 				unsigned short vid,
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 				struct batadv_orig_node *orig_node);
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+
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+int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
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+			   unsigned short vid, int is_routable);
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57
 
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 void batadv_mcast_init(struct batadv_priv *bat_priv);
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@@ -73,14 +72,10 @@
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 static inline enum batadv_forw_mode
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 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
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-		       struct batadv_orig_node **mcast_single_orig)
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+		       struct batadv_orig_node **mcast_single_orig,
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+		       int *is_routable)
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 {
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 	return BATADV_FORW_ALL;
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-}
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-
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-static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
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-{
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-	return 0;
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 }
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 static inline int
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@@ -94,6 +89,19 @@
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 }
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 static inline int
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+batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb,
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+		       unsigned short vid, int is_routable)
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+{
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+	kfree_skb(skb);
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+	return NET_XMIT_DROP;
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+}
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+
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+static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
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+{
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+	return 0;
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+}
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+
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+static inline int
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 batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv)
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 {
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 	return 0;