1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2012-2019 B.A.T.M.A.N. contributors: 3 * 4 * Martin Hundebøll, Jeppe Ledet-Pedersen 5 */ 6 7 #ifndef _NET_BATMAN_ADV_NETWORK_CODING_H_ 8 #define _NET_BATMAN_ADV_NETWORK_CODING_H_ 9 10 #include "main.h" 11 12 #include <linux/types.h> 13 14 struct batadv_ogm_packet; 15 struct net_device; 16 struct seq_file; 17 struct sk_buff; 18 19 #ifdef CONFIG_BATMAN_ADV_NC 20 21 void batadv_nc_status_update(struct net_device *net_dev); 22 int batadv_nc_init(void); 23 int batadv_nc_mesh_init(struct batadv_priv *bat_priv); 24 void batadv_nc_mesh_free(struct batadv_priv *bat_priv); 25 void batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 26 struct batadv_orig_node *orig_node, 27 struct batadv_orig_node *orig_neigh_node, 28 struct batadv_ogm_packet *ogm_packet, 29 int is_single_hop_neigh); 30 void batadv_nc_purge_orig(struct batadv_priv *bat_priv, 31 struct batadv_orig_node *orig_node, 32 bool (*to_purge)(struct batadv_priv *, 33 struct batadv_nc_node *)); 34 void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv); 35 void batadv_nc_init_orig(struct batadv_orig_node *orig_node); 36 bool batadv_nc_skb_forward(struct sk_buff *skb, 37 struct batadv_neigh_node *neigh_node); 38 void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 39 struct sk_buff *skb); 40 void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 41 struct sk_buff *skb); 42 int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset); 43 int batadv_nc_init_debugfs(struct batadv_priv *bat_priv); 44 45 #else /* ifdef CONFIG_BATMAN_ADV_NC */ 46 47 static inline void batadv_nc_status_update(struct net_device *net_dev) 48 { 49 } 50 51 static inline int batadv_nc_init(void) 52 { 53 return 0; 54 } 55 56 static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv) 57 { 58 return 0; 59 } 60 61 static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv) 62 { 63 } 64 65 static inline void 66 batadv_nc_update_nc_node(struct batadv_priv *bat_priv, 67 struct batadv_orig_node *orig_node, 68 struct batadv_orig_node *orig_neigh_node, 69 struct batadv_ogm_packet *ogm_packet, 70 int is_single_hop_neigh) 71 { 72 } 73 74 static inline void 75 batadv_nc_purge_orig(struct batadv_priv *bat_priv, 76 struct batadv_orig_node *orig_node, 77 bool (*to_purge)(struct batadv_priv *, 78 struct batadv_nc_node *)) 79 { 80 } 81 82 static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv) 83 { 84 } 85 86 static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node) 87 { 88 } 89 90 static inline bool batadv_nc_skb_forward(struct sk_buff *skb, 91 struct batadv_neigh_node *neigh_node) 92 { 93 return false; 94 } 95 96 static inline void 97 batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, 98 struct sk_buff *skb) 99 { 100 } 101 102 static inline void 103 batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, 104 struct sk_buff *skb) 105 { 106 } 107 108 static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq, 109 void *offset) 110 { 111 return 0; 112 } 113 114 static inline int batadv_nc_init_debugfs(struct batadv_priv *bat_priv) 115 { 116 return 0; 117 } 118 119 #endif /* ifdef CONFIG_BATMAN_ADV_NC */ 120 121 #endif /* _NET_BATMAN_ADV_NETWORK_CODING_H_ */ 122