Commit | Line | Data |
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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
7a79d717 | 2 | /* Copyright (C) 2014-2019 B.A.T.M.A.N. contributors: |
c5caf4ef LL |
3 | * |
4 | * Linus Lüssing | |
c5caf4ef LL |
5 | */ |
6 | ||
7 | #ifndef _NET_BATMAN_ADV_MULTICAST_H_ | |
8 | #define _NET_BATMAN_ADV_MULTICAST_H_ | |
9 | ||
1e2c2a4f SE |
10 | #include "main.h" |
11 | ||
53dd9a68 | 12 | struct netlink_callback; |
4e3e823b | 13 | struct seq_file; |
1e2c2a4f SE |
14 | struct sk_buff; |
15 | ||
1d8ab8d3 | 16 | /** |
6f68b002 | 17 | * enum batadv_forw_mode - the way a packet should be forwarded as |
1d8ab8d3 LL |
18 | */ |
19 | enum batadv_forw_mode { | |
8b84cc4f SE |
20 | /** |
21 | * @BATADV_FORW_ALL: forward the packet to all nodes (currently via | |
22 | * classic flooding) | |
23 | */ | |
1d8ab8d3 | 24 | BATADV_FORW_ALL, |
8b84cc4f | 25 | |
32e72744 LL |
26 | /** |
27 | * @BATADV_FORW_SOME: forward the packet to some nodes (currently via | |
28 | * a multicast-to-unicast conversion and the BATMAN unicast routing | |
29 | * protocol) | |
30 | */ | |
31 | BATADV_FORW_SOME, | |
32 | ||
8b84cc4f SE |
33 | /** |
34 | * @BATADV_FORW_SINGLE: forward the packet to a single node (currently | |
35 | * via the BATMAN unicast routing protocol) | |
36 | */ | |
1d8ab8d3 | 37 | BATADV_FORW_SINGLE, |
8b84cc4f SE |
38 | |
39 | /** @BATADV_FORW_NONE: don't forward, drop it */ | |
1d8ab8d3 LL |
40 | BATADV_FORW_NONE, |
41 | }; | |
42 | ||
c5caf4ef LL |
43 | #ifdef CONFIG_BATMAN_ADV_MCAST |
44 | ||
1d8ab8d3 LL |
45 | enum batadv_forw_mode |
46 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
47 | struct batadv_orig_node **mcast_single_orig); | |
48 | ||
32e72744 LL |
49 | int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, |
50 | unsigned short vid); | |
51 | ||
60432d75 LL |
52 | void batadv_mcast_init(struct batadv_priv *bat_priv); |
53 | ||
4e3e823b LL |
54 | int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset); |
55 | ||
53dd9a68 LL |
56 | int batadv_mcast_mesh_info_put(struct sk_buff *msg, |
57 | struct batadv_priv *bat_priv); | |
58 | ||
59 | int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb); | |
60 | ||
c5caf4ef LL |
61 | void batadv_mcast_free(struct batadv_priv *bat_priv); |
62 | ||
60432d75 LL |
63 | void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); |
64 | ||
c5caf4ef LL |
65 | #else |
66 | ||
1d8ab8d3 LL |
67 | static inline enum batadv_forw_mode |
68 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
69 | struct batadv_orig_node **mcast_single_orig) | |
70 | { | |
71 | return BATADV_FORW_ALL; | |
72 | } | |
73 | ||
32e72744 LL |
74 | static inline int |
75 | batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
76 | unsigned short vid) | |
77 | { | |
78 | kfree_skb(skb); | |
79 | return NET_XMIT_DROP; | |
80 | } | |
81 | ||
60432d75 LL |
82 | static inline int batadv_mcast_init(struct batadv_priv *bat_priv) |
83 | { | |
84 | return 0; | |
85 | } | |
86 | ||
53dd9a68 LL |
87 | static inline int |
88 | batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) | |
89 | { | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static inline int batadv_mcast_flags_dump(struct sk_buff *msg, | |
94 | struct netlink_callback *cb) | |
95 | { | |
96 | return -EOPNOTSUPP; | |
97 | } | |
98 | ||
c5caf4ef LL |
99 | static inline void batadv_mcast_free(struct batadv_priv *bat_priv) |
100 | { | |
c5caf4ef LL |
101 | } |
102 | ||
60432d75 LL |
103 | static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) |
104 | { | |
60432d75 LL |
105 | } |
106 | ||
c5caf4ef LL |
107 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
108 | ||
109 | #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |