| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright (C) 2014-2018 B.A.T.M.A.N. contributors: |
| 3 | * |
| 4 | * Linus Lüssing |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of version 2 of the GNU General Public |
| 8 | * License as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | |
| 19 | #ifndef _NET_BATMAN_ADV_MULTICAST_H_ |
| 20 | #define _NET_BATMAN_ADV_MULTICAST_H_ |
| 21 | |
| 22 | #include "main.h" |
| 23 | |
| 24 | struct netlink_callback; |
| 25 | struct seq_file; |
| 26 | struct sk_buff; |
| 27 | |
| 28 | /** |
| 29 | * enum batadv_forw_mode - the way a packet should be forwarded as |
| 30 | */ |
| 31 | enum batadv_forw_mode { |
| 32 | /** |
| 33 | * @BATADV_FORW_ALL: forward the packet to all nodes (currently via |
| 34 | * classic flooding) |
| 35 | */ |
| 36 | BATADV_FORW_ALL, |
| 37 | |
| 38 | /** |
| 39 | * @BATADV_FORW_SINGLE: forward the packet to a single node (currently |
| 40 | * via the BATMAN unicast routing protocol) |
| 41 | */ |
| 42 | BATADV_FORW_SINGLE, |
| 43 | |
| 44 | /** @BATADV_FORW_NONE: don't forward, drop it */ |
| 45 | BATADV_FORW_NONE, |
| 46 | }; |
| 47 | |
| 48 | #ifdef CONFIG_BATMAN_ADV_MCAST |
| 49 | |
| 50 | enum batadv_forw_mode |
| 51 | batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, |
| 52 | struct batadv_orig_node **mcast_single_orig); |
| 53 | |
| 54 | void batadv_mcast_init(struct batadv_priv *bat_priv); |
| 55 | |
| 56 | int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset); |
| 57 | |
| 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 | |
| 63 | void batadv_mcast_free(struct batadv_priv *bat_priv); |
| 64 | |
| 65 | void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); |
| 66 | |
| 67 | #else |
| 68 | |
| 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 | |
| 76 | static inline int batadv_mcast_init(struct batadv_priv *bat_priv) |
| 77 | { |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | static inline int |
| 82 | batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) |
| 83 | { |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | static inline int batadv_mcast_flags_dump(struct sk_buff *msg, |
| 88 | struct netlink_callback *cb) |
| 89 | { |
| 90 | return -EOPNOTSUPP; |
| 91 | } |
| 92 | |
| 93 | static inline void batadv_mcast_free(struct batadv_priv *bat_priv) |
| 94 | { |
| 95 | } |
| 96 | |
| 97 | static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node) |
| 98 | { |
| 99 | } |
| 100 | |
| 101 | #endif /* CONFIG_BATMAN_ADV_MCAST */ |
| 102 | |
| 103 | #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */ |