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_ogm_packet; 26 struct net_device; 27 struct seq_file; 28 struct sk_buff; 29 30 #ifdef CONFIG_BATMAN_ADV_NC 31 32 void batadv_nc_status_update(struct net_device *net_dev); 33 int batadv_nc_init(void); 34 int batadv_nc_mesh_init(struct batadv_priv *bat_priv); 35 void batadv_nc_mesh_free(struct batadv_priv *bat_priv); 36 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 37 struct batadv_orig_node *orig_node, 38 struct batadv_orig_node *orig_neigh_node, 39 struct batadv_ogm_packet *ogm_packet, 40 int is_single_hop_neigh); 41 void batadv_nc_purge_orig(struct batadv_priv *bat_priv, 42 struct batadv_orig_node *orig_node, 43 bool (*to_purge)(struct batadv_priv *, 44 struct batadv_nc_node *)); 45 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv); 46 void batadv_nc_init_orig(struct batadv_orig_node *orig_node); 47 bool batadv_nc_skb_forward(struct sk_buff *skb, 48 struct batadv_neigh_node *neigh_node); 49 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 50 struct sk_buff *skb); 51 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 52 struct sk_buff *skb); 53 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset); 54 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv); 55 56 #else /* ifdef CONFIG_BATMAN_ADV_NC */ 57 58 static inline void batadv_nc_status_update(struct net_device *net_dev) 59 { 60 } 61 62 static inline int batadv_nc_init(void) 63 { 64 return 0; 65 } 66 67 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv) 68 { 69 return 0; 70 } 71 72 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv) 73 { 74 } 75 76 static inline void 77 batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 78 struct batadv_orig_node *orig_node, 79 struct batadv_orig_node *orig_neigh_node, 80 struct batadv_ogm_packet *ogm_packet, 81 int is_single_hop_neigh) 82 { 83 } 84 85 static inline void 86 batadv_nc_purge_orig(struct batadv_priv *bat_priv, 87 struct batadv_orig_node *orig_node, 88 bool (*to_purge)(struct batadv_priv *, 89 struct batadv_nc_node *)) 90 { 91 } 92 93 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv) 94 { 95 } 96 97 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node) 98 { 99 } 100 101 static inline bool batadv_nc_skb_forward(struct sk_buff *skb, 102 struct batadv_neigh_node *neigh_node) 103 { 104 return false; 105 } 106 107 static inline void 108 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 109 struct sk_buff *skb) 110 { 111 } 112 113 static inline void 114 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 115 struct sk_buff *skb) 116 { 117 } 118 119 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq, 120 void *offset) 121 { 122 return 0; 123 } 124 125 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv) 126 { 127 return 0; 128 } 129 130 #endif /* ifdef CONFIG_BATMAN_ADV_NC */ 131 132 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */ 133