forked from Minki/linux
7a79d717e0
Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2014-2019 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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#ifndef _NET_BATMAN_ADV_MULTICAST_H_
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#define _NET_BATMAN_ADV_MULTICAST_H_
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#include "main.h"
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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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/**
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* enum batadv_forw_mode - the way a packet should be forwarded as
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*/
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enum batadv_forw_mode {
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/**
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* @BATADV_FORW_ALL: forward the packet to all nodes (currently via
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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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* @BATADV_FORW_SINGLE: forward the packet to a single node (currently
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* via the BATMAN unicast routing protocol)
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*/
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BATADV_FORW_SINGLE,
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/** @BATADV_FORW_NONE: don't forward, drop it */
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BATADV_FORW_NONE,
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};
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#ifdef CONFIG_BATMAN_ADV_MCAST
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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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void batadv_mcast_init(struct batadv_priv *bat_priv);
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int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);
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int batadv_mcast_mesh_info_put(struct sk_buff *msg,
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struct batadv_priv *bat_priv);
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int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb);
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void batadv_mcast_free(struct batadv_priv *bat_priv);
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void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
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#else
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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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{
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return BATADV_FORW_ALL;
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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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batadv_mcast_mesh_info_put(struct sk_buff *msg, 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 batadv_mcast_flags_dump(struct sk_buff *msg,
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struct netlink_callback *cb)
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{
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return -EOPNOTSUPP;
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}
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static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
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{
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}
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static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
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{
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}
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#endif /* CONFIG_BATMAN_ADV_MCAST */
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#endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
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