1 /* Copyright (C) 2012-2015 B.A.T.M.A.N. contributors: 2 * 3 * Martin Hundebøll, Jeppe Ledet-Pedersen 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of version 2 of the GNU General Public 7 * License as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_ 19 #define _NET_BATMAN_ADV_NETWORK_CODING_H_ 20 21 #include "main.h" 22 23 #include <linux/types.h> 24 25 struct batadv_nc_node; 26 struct batadv_neigh_node; 27 struct batadv_ogm_packet; 28 struct batadv_orig_node; 29 struct batadv_priv; 30 struct net_device; 31 struct seq_file; 32 struct sk_buff; 33 34 #ifdef CONFIG_BATMAN_ADV_NC 35 36 void batadv_nc_status_update(struct net_device *net_dev); 37 int batadv_nc_init(void); 38 int batadv_nc_mesh_init(struct batadv_priv *bat_priv); 39 void batadv_nc_mesh_free(struct batadv_priv *bat_priv); 40 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 41 struct batadv_orig_node *orig_node, 42 struct batadv_orig_node *orig_neigh_node, 43 struct batadv_ogm_packet *ogm_packet, 44 int is_single_hop_neigh); 45 void batadv_nc_purge_orig(struct batadv_priv *bat_priv, 46 struct batadv_orig_node *orig_node, 47 bool (*to_purge)(struct batadv_priv *, 48 struct batadv_nc_node *)); 49 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv); 50 void batadv_nc_init_orig(struct batadv_orig_node *orig_node); 51 bool batadv_nc_skb_forward(struct sk_buff *skb, 52 struct batadv_neigh_node *neigh_node); 53 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 54 struct sk_buff *skb); 55 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 56 struct sk_buff *skb); 57 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset); 58 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv); 59 60 #else /* ifdef CONFIG_BATMAN_ADV_NC */ 61 62 static inline void batadv_nc_status_update(struct net_device *net_dev) 63 { 64 } 65 66 static inline int batadv_nc_init(void) 67 { 68 return 0; 69 } 70 71 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv) 72 { 73 return 0; 74 } 75 76 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv) 77 { 78 } 79 80 static inline void 81 batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 82 struct batadv_orig_node *orig_node, 83 struct batadv_orig_node *orig_neigh_node, 84 struct batadv_ogm_packet *ogm_packet, 85 int is_single_hop_neigh) 86 { 87 } 88 89 static inline void 90 batadv_nc_purge_orig(struct batadv_priv *bat_priv, 91 struct batadv_orig_node *orig_node, 92 bool (*to_purge)(struct batadv_priv *, 93 struct batadv_nc_node *)) 94 { 95 } 96 97 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv) 98 { 99 } 100 101 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node) 102 { 103 } 104 105 static inline bool batadv_nc_skb_forward(struct sk_buff *skb, 106 struct batadv_neigh_node *neigh_node) 107 { 108 return false; 109 } 110 111 static inline void 112 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 113 struct sk_buff *skb) 114 { 115 } 116 117 static inline void 118 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 119 struct sk_buff *skb) 120 { 121 } 122 123 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq, 124 void *offset) 125 { 126 return 0; 127 } 128 129 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv) 130 { 131 return 0; 132 } 133 134 #endif /* ifdef CONFIG_BATMAN_ADV_NC */ 135 136 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */ 137