projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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, | |
| 46 | struct batadv_orig_node **mcast_single_orig); | |
| 47 | ||
| 3236d215 LL |
48 | int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, |
| 49 | struct sk_buff *skb, | |
| 50 | unsigned short vid, | |
| 51 | struct batadv_orig_node *orig_node); | |
| 52 | ||
| 32e72744 LL |
53 | int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, |
| 54 | unsigned short vid); | |
| 55 | ||
| 60432d75 LL |
56 | void batadv_mcast_init(struct batadv_priv *bat_priv); |
| 57 | ||
| 53dd9a68 LL |
58 | int batadv_mcast_mesh_info_put(struct sk_buff *msg, |
| 59 | struct batadv_priv *bat_priv); | |
| 60 | ||
| 61 | int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb); | |
| 62 | ||
| c5caf4ef LL |
63 | void batadv_mcast_free(struct batadv_priv *bat_priv); |
| 64 | ||
| 60432d75 LL |
65 | void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); |
| 66 | ||
| c5caf4ef LL |
67 | #else |
| 68 | ||
| 1d8ab8d3 LL |
69 | static inline enum batadv_forw_mode |
| 70 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
| 71 | struct batadv_orig_node **mcast_single_orig) | |
| 72 | { | |
| 73 | return BATADV_FORW_ALL; | |
| 74 | } | |
| 75 | ||
| 3236d215 LL |
76 | static inline int |
| 77 | batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, | |
| 78 | struct sk_buff *skb, | |
| 79 | unsigned short vid, | |
| 80 | struct batadv_orig_node *orig_node) | |
| 81 | { | |
| 82 | kfree_skb(skb); | |
| 83 | return NET_XMIT_DROP; | |
| 84 | } | |
| 85 | ||
| 32e72744 LL |
86 | static inline int |
| 87 | batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
| 88 | unsigned short vid) | |
| 89 | { | |
| 90 | kfree_skb(skb); | |
| 91 | return NET_XMIT_DROP; | |
| 92 | } | |
| 93 | ||
| 60432d75 LL |
94 | static inline int batadv_mcast_init(struct batadv_priv *bat_priv) |
| 95 | { | |
| 96 | return 0; | |
| 97 | } | |
| 98 | ||
| 53dd9a68 LL |
99 | static inline int |
| 100 | batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) | |
| 101 | { | |
| 102 | return 0; | |
| 103 | } | |
| 104 | ||
| 105 | static inline int batadv_mcast_flags_dump(struct sk_buff *msg, | |
| 106 | struct netlink_callback *cb) | |
| 107 | { | |
| 108 | return -EOPNOTSUPP; | |
| 109 | } | |
| 110 | ||
| c5caf4ef LL |
111 | static inline void batadv_mcast_free(struct batadv_priv *bat_priv) |
| 112 | { | |
| c5caf4ef LL |
113 | } |
| 114 | ||
| 60432d75 LL |
115 | static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) |
| 116 | { | |
| 60432d75 LL |
117 | } |
| 118 | ||
| c5caf4ef LL |
119 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
| 120 | ||
| 121 | #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |