summaryrefslogtreecommitdiffstats
path: root/net/batman-adv/multicast.h
blob: 1fb00ba84907a46732c33deac4aed01061222b1c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
/* Copyright (C) 2014-2016  B.A.T.M.A.N. contributors:
 *
 * Linus Lüssing
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _NET_BATMAN_ADV_MULTICAST_H_
#define _NET_BATMAN_ADV_MULTICAST_H_

#include "main.h"

struct seq_file;
struct sk_buff;

/**
 * enum batadv_forw_mode - the way a packet should be forwarded as
 * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
 *  flooding)
 * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
 *  BATMAN unicast routing protocol)
 * @BATADV_FORW_NONE: don't forward, drop it
 */
enum batadv_forw_mode {
	BATADV_FORW_ALL,
	BATADV_FORW_SINGLE,
	BATADV_FORW_NONE,
};

#ifdef CONFIG_BATMAN_ADV_MCAST

void batadv_mcast_mla_update(struct batadv_priv *bat_priv);

enum batadv_forw_mode
batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
		       struct batadv_orig_node **mcast_single_orig);

void batadv_mcast_init(struct batadv_priv *bat_priv);

int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);

void batadv_mcast_free(struct batadv_priv *bat_priv);

void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);

#else

static inline void batadv_mcast_mla_update(struct batadv_priv *bat_priv)
{
}

static inline enum batadv_forw_mode
batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
		       struct batadv_orig_node **mcast_single_orig)
{
	return BATADV_FORW_ALL;
}

static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
{
	return 0;
}

static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
{
}

static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
{
}

#endif /* CONFIG_BATMAN_ADV_MCAST */

#endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
OpenPOWER on IntegriCloud