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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 sk_buff;
 24 
 25 /**
 26  * enum batadv_forw_mode - the way a packet should be forwarded as
 27  * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
 28  *  flooding)
 29  * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
 30  *  BATMAN unicast routing protocol)
 31  * @BATADV_FORW_NONE: don't forward, drop it
 32  */
 33 enum batadv_forw_mode {
 34         BATADV_FORW_ALL,
 35         BATADV_FORW_SINGLE,
 36         BATADV_FORW_NONE,
 37 };
 38 
 39 #ifdef CONFIG_BATMAN_ADV_MCAST
 40 
 41 void batadv_mcast_mla_update(struct batadv_priv *bat_priv);
 42 
 43 enum batadv_forw_mode
 44 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
 45                        struct batadv_orig_node **mcast_single_orig);
 46 
 47 void batadv_mcast_init(struct batadv_priv *bat_priv);
 48 
 49 void batadv_mcast_free(struct batadv_priv *bat_priv);
 50 
 51 void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
 52 
 53 #else
 54 
 55 static inline void batadv_mcast_mla_update(struct batadv_priv *bat_priv)
 56 {
 57 }
 58 
 59 static inline enum batadv_forw_mode
 60 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
 61                        struct batadv_orig_node **mcast_single_orig)
 62 {
 63         return BATADV_FORW_ALL;
 64 }
 65 
 66 static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
 67 {
 68         return 0;
 69 }
 70 
 71 static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
 72 {
 73 }
 74 
 75 static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
 76 {
 77 }
 78 
 79 #endif /* CONFIG_BATMAN_ADV_MCAST */
 80 
 81 #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
 82 

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