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TOMOYO Linux Cross Reference
Linux/net/batman-adv/multicast.h

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  1 /* Copyright (C) 2014-2016  B.A.T.M.A.N. contributors:
  2  *
  3  * Linus L├╝ssing
  4  *
  5  * This program is free software; you can redistribute it and/or
  6  * modify it under the terms of version 2 of the GNU General Public
  7  * License as published by the Free Software Foundation.
  8  *
  9  * This program is distributed in the hope that it will be useful, but
 10  * WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 12  * General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU General Public License
 15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
 16  */
 17 
 18 #ifndef _NET_BATMAN_ADV_MULTICAST_H_
 19 #define _NET_BATMAN_ADV_MULTICAST_H_
 20 
 21 #include "main.h"
 22 
 23 struct seq_file;
 24 struct sk_buff;
 25 
 26 /**
 27  * enum batadv_forw_mode - the way a packet should be forwarded as
 28  * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
 29  *  flooding)
 30  * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
 31  *  BATMAN unicast routing protocol)
 32  * @BATADV_FORW_NONE: don't forward, drop it
 33  */
 34 enum batadv_forw_mode {
 35         BATADV_FORW_ALL,
 36         BATADV_FORW_SINGLE,
 37         BATADV_FORW_NONE,
 38 };
 39 
 40 #ifdef CONFIG_BATMAN_ADV_MCAST
 41 
 42 enum batadv_forw_mode
 43 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
 44                        struct batadv_orig_node **mcast_single_orig);
 45 
 46 void batadv_mcast_init(struct batadv_priv *bat_priv);
 47 
 48 int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);
 49 
 50 void batadv_mcast_free(struct batadv_priv *bat_priv);
 51 
 52 void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
 53 
 54 #else
 55 
 56 static inline enum batadv_forw_mode
 57 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
 58                        struct batadv_orig_node **mcast_single_orig)
 59 {
 60         return BATADV_FORW_ALL;
 61 }
 62 
 63 static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
 64 {
 65         return 0;
 66 }
 67 
 68 static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
 69 {
 70 }
 71 
 72 static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
 73 {
 74 }
 75 
 76 #endif /* CONFIG_BATMAN_ADV_MCAST */
 77 
 78 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
 79 

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