projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 68e039f9 | 2 | /* Copyright (C) 2014-2020 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 SE |
12 | #include <linux/netlink.h> |
| 13 | #include <linux/seq_file.h> | |
| 14 | #include <linux/skbuff.h> | |
| 1e2c2a4f | 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 | ||
| 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 LL |
54 | int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, |
| 55 | unsigned short vid); | |
| 56 | ||
| 60432d75 LL |
57 | void batadv_mcast_init(struct batadv_priv *bat_priv); |
| 58 | ||
| 4e3e823b LL |
59 | int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset); |
| 60 | ||
| 53dd9a68 LL |
61 | int batadv_mcast_mesh_info_put(struct sk_buff *msg, |
| 62 | struct batadv_priv *bat_priv); | |
| 63 | ||
| 64 | int batadv_mcast_flags_dump(struct sk_buff *msg, struct netlink_callback *cb); | |
| 65 | ||
| c5caf4ef LL |
66 | void batadv_mcast_free(struct batadv_priv *bat_priv); |
| 67 | ||
| 60432d75 LL |
68 | void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); |
| 69 | ||
| c5caf4ef LL |
70 | #else |
| 71 | ||
| 1d8ab8d3 LL |
72 | static inline enum batadv_forw_mode |
| 73 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
| 74 | struct batadv_orig_node **mcast_single_orig) | |
| 75 | { | |
| 76 | return BATADV_FORW_ALL; | |
| 77 | } | |
| 78 | ||
| 3236d215 LL |
79 | static inline int |
| 80 | batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, | |
| 81 | struct sk_buff *skb, | |
| 82 | unsigned short vid, | |
| 83 | struct batadv_orig_node *orig_node) | |
| 84 | { | |
| 85 | kfree_skb(skb); | |
| 86 | return NET_XMIT_DROP; | |
| 87 | } | |
| 88 | ||
| 32e72744 LL |
89 | static inline int |
| 90 | batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, | |
| 91 | unsigned short vid) | |
| 92 | { | |
| 93 | kfree_skb(skb); | |
| 94 | return NET_XMIT_DROP; | |
| 95 | } | |
| 96 | ||
| 60432d75 LL |
97 | static inline int batadv_mcast_init(struct batadv_priv *bat_priv) |
| 98 | { | |
| 99 | return 0; | |
| 100 | } | |
| 101 | ||
| 53dd9a68 LL |
102 | static inline int |
| 103 | batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) | |
| 104 | { | |
| 105 | return 0; | |
| 106 | } | |
| 107 | ||
| 108 | static inline int batadv_mcast_flags_dump(struct sk_buff *msg, | |
| 109 | struct netlink_callback *cb) | |
| 110 | { | |
| 111 | return -EOPNOTSUPP; | |
| 112 | } | |
| 113 | ||
| c5caf4ef LL |
114 | static inline void batadv_mcast_free(struct batadv_priv *bat_priv) |
| 115 | { | |
| c5caf4ef LL |
116 | } |
| 117 | ||
| 60432d75 LL |
118 | static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) |
| 119 | { | |
| 60432d75 LL |
120 | } |
| 121 | ||
| c5caf4ef LL |
122 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
| 123 | ||
| 124 | #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |