Commit | Line | Data |
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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
cfa55c6d | 2 | /* Copyright (C) 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 | ||
68a600de | 12 | #include <linux/netlink.h> |
68a600de | 13 | #include <linux/skbuff.h> |
1e2c2a4f | 14 | |
1d8ab8d3 | 15 | /** |
6f68b002 | 16 | * enum batadv_forw_mode - the way a packet should be forwarded as |
1d8ab8d3 LL |
17 | */ |
18 | enum batadv_forw_mode { | |
8b84cc4f SE |
19 | /** |
20 | * @BATADV_FORW_ALL: forward the packet to all nodes (currently via | |
21 | * classic flooding) | |
22 | */ | |
1d8ab8d3 | 23 | BATADV_FORW_ALL, |
8b84cc4f | 24 | |
32e72744 LL |
25 | /** |
26 | * @BATADV_FORW_SOME: forward the packet to some nodes (currently via | |
27 | * a multicast-to-unicast conversion and the BATMAN unicast routing | |
28 | * protocol) | |
29 | */ | |
30 | BATADV_FORW_SOME, | |
31 | ||
8b84cc4f SE |
32 | /** |
33 | * @BATADV_FORW_SINGLE: forward the packet to a single node (currently | |
34 | * via the BATMAN unicast routing protocol) | |
35 | */ | |
1d8ab8d3 | 36 | BATADV_FORW_SINGLE, |
8b84cc4f SE |
37 | |
38 | /** @BATADV_FORW_NONE: don't forward, drop it */ | |
1d8ab8d3 LL |
39 | BATADV_FORW_NONE, |
40 | }; | |
41 | ||
c5caf4ef LL |
42 | #ifdef CONFIG_BATMAN_ADV_MCAST |
43 | ||
1d8ab8d3 LL |
44 | enum batadv_forw_mode |
45 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
938f2e0b LL |
46 | struct batadv_orig_node **mcast_single_orig, |
47 | int *is_routable); | |
1d8ab8d3 | 48 | |
3236d215 LL |
49 | int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, |
50 | struct sk_buff *skb, | |
51 | unsigned short vid, | |
52 | struct batadv_orig_node *orig_node); | |
53 | ||
32e72744 | 54 | int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, |
938f2e0b | 55 | unsigned short vid, int is_routable); |
32e72744 | 56 | |
60432d75 LL |
57 | void batadv_mcast_init(struct batadv_priv *bat_priv); |
58 | ||
53dd9a68 LL |
59 | int batadv_mcast_mesh_info_put(struct sk_buff *msg, |
60 | struct batadv_priv *bat_priv); | |
61 | ||
62 | int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb); | |
63 | ||
c5caf4ef LL |
64 | void batadv_mcast_free(struct batadv_priv *bat_priv); |
65 | ||
60432d75 LL |
66 | void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); |
67 | ||
c5caf4ef LL |
68 | #else |
69 | ||
1d8ab8d3 LL |
70 | static inline enum batadv_forw_mode |
71 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
938f2e0b LL |
72 | struct batadv_orig_node **mcast_single_orig, |
73 | int *is_routable) | |
1d8ab8d3 LL |
74 | { |
75 | return BATADV_FORW_ALL; | |
76 | } | |
77 | ||
3236d215 LL |
78 | static inline int |
79 | batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, | |
80 | struct sk_buff *skb, | |
81 | unsigned short vid, | |
82 | struct batadv_orig_node *orig_node) | |
83 | { | |
84 | kfree_skb(skb); | |
85 | return NET_XMIT_DROP; | |
86 | } | |
87 | ||
32e72744 LL |
88 | static inline int |
89 | batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
938f2e0b | 90 | unsigned short vid, int is_routable) |
32e72744 LL |
91 | { |
92 | kfree_skb(skb); | |
93 | return NET_XMIT_DROP; | |
94 | } | |
95 | ||
60432d75 LL |
96 | static inline int batadv_mcast_init(struct batadv_priv *bat_priv) |
97 | { | |
98 | return 0; | |
99 | } | |
100 | ||
53dd9a68 LL |
101 | static inline int |
102 | batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) | |
103 | { | |
104 | return 0; | |
105 | } | |
106 | ||
107 | static inline int batadv_mcast_flags_dump(struct sk_buff *msg, | |
108 | struct netlink_callback *cb) | |
109 | { | |
110 | return -EOPNOTSUPP; | |
111 | } | |
112 | ||
c5caf4ef LL |
113 | static inline void batadv_mcast_free(struct batadv_priv *bat_priv) |
114 | { | |
c5caf4ef LL |
115 | } |
116 | ||
60432d75 LL |
117 | static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) |
118 | { | |
60432d75 LL |
119 | } |
120 | ||
c5caf4ef LL |
121 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
122 | ||
123 | #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |