1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2012-2018 B.A.T.M.A.N. contributors: 3 * 4 * Martin Hundebøll, Jeppe Ledet-Pedersen 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_NETWORK_CODING_H_ 20 #define _NET_BATMAN_ADV_NETWORK_CODING_H_ 21 22 #include "main.h" 23 24 #include <linux/types.h> 25 26 struct batadv_ogm_packet; 27 struct net_device; 28 struct seq_file; 29 struct sk_buff; 30 31 #ifdef CONFIG_BATMAN_ADV_NC 32 33 void batadv_nc_status_update(struct net_device *net_dev); 34 int batadv_nc_init(void); 35 int batadv_nc_mesh_init(struct batadv_priv *bat_priv); 36 void batadv_nc_mesh_free(struct batadv_priv *bat_priv); 37 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 38 struct batadv_orig_node *orig_node, 39 struct batadv_orig_node *orig_neigh_node, 40 struct batadv_ogm_packet *ogm_packet, 41 int is_single_hop_neigh); 42 void batadv_nc_purge_orig(struct batadv_priv *bat_priv, 43 struct batadv_orig_node *orig_node, 44 bool (*to_purge)(struct batadv_priv *, 45 struct batadv_nc_node *)); 46 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv); 47 void batadv_nc_init_orig(struct batadv_orig_node *orig_node); 48 bool batadv_nc_skb_forward(struct sk_buff *skb, 49 struct batadv_neigh_node *neigh_node); 50 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 51 struct sk_buff *skb); 52 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 53 struct sk_buff *skb); 54 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset); 55 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv); 56 57 #else /* ifdef CONFIG_BATMAN_ADV_NC */ 58 59 static inline void batadv_nc_status_update(struct net_device *net_dev) 60 { 61 } 62 63 static inline int batadv_nc_init(void) 64 { 65 return 0; 66 } 67 68 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv) 69 { 70 return 0; 71 } 72 73 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv) 74 { 75 } 76 77 static inline void 78 batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 79 struct batadv_orig_node *orig_node, 80 struct batadv_orig_node *orig_neigh_node, 81 struct batadv_ogm_packet *ogm_packet, 82 int is_single_hop_neigh) 83 { 84 } 85 86 static inline void 87 batadv_nc_purge_orig(struct batadv_priv *bat_priv, 88 struct batadv_orig_node *orig_node, 89 bool (*to_purge)(struct batadv_priv *, 90 struct batadv_nc_node *)) 91 { 92 } 93 94 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv) 95 { 96 } 97 98 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node) 99 { 100 } 101 102 static inline bool batadv_nc_skb_forward(struct sk_buff *skb, 103 struct batadv_neigh_node *neigh_node) 104 { 105 return false; 106 } 107 108 static inline void 109 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 110 struct sk_buff *skb) 111 { 112 } 113 114 static inline void 115 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 116 struct sk_buff *skb) 117 { 118 } 119 120 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq, 121 void *offset) 122 { 123 return 0; 124 } 125 126 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv) 127 { 128 return 0; 129 } 130 131 #endif /* ifdef CONFIG_BATMAN_ADV_NC */ 132 133 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */ 134