1/* Copyright (C) 2014-2015 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
23struct sk_buff;
24
25/**
26 * 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 */
33enum batadv_forw_mode {
34	BATADV_FORW_ALL,
35	BATADV_FORW_SINGLE,
36	BATADV_FORW_NONE,
37};
38
39#ifdef CONFIG_BATMAN_ADV_MCAST
40
41void batadv_mcast_mla_update(struct batadv_priv *bat_priv);
42
43enum batadv_forw_mode
44batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
45		       struct batadv_orig_node **mcast_single_orig);
46
47void batadv_mcast_init(struct batadv_priv *bat_priv);
48
49void batadv_mcast_free(struct batadv_priv *bat_priv);
50
51void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
52
53#else
54
55static inline void batadv_mcast_mla_update(struct batadv_priv *bat_priv)
56{
57}
58
59static inline enum batadv_forw_mode
60batadv_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
66static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
67{
68	return 0;
69}
70
71static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
72{
73}
74
75static 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