LXR linux/net/batman-adv/network-coding.h

   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
  26struct batadv_ogm_packet;
  27struct net_device;
  28struct seq_file;
  29struct sk_buff;
  30
  31#ifdef CONFIG_BATMAN_ADV_NC
  32
  33void batadv_nc_status_update(struct net_device *net_dev);
  34int batadv_nc_init(void);
  35int batadv_nc_mesh_init(struct batadv_priv *bat_priv);
  36void batadv_nc_mesh_free(struct batadv_priv *bat_priv);
  37void 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);
  42void 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 *));
  46void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv);
  47void batadv_nc_init_orig(struct batadv_orig_node *orig_node);
  48bool batadv_nc_skb_forward(struct sk_buff *skb,
  49                           struct batadv_neigh_node *neigh_node);
  50void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
  51                                      struct sk_buff *skb);
  52void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
  53                                         struct sk_buff *skb);
  54int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset);
  55int batadv_nc_init_debugfs(struct batadv_priv *bat_priv);
  56
  57#else /* ifdef CONFIG_BATMAN_ADV_NC */
  58
  59static inline void batadv_nc_status_update(struct net_device *net_dev)
  60{
  61}
  62
  63static inline int batadv_nc_init(void)
  64{
  65        return 0;
  66}
  67
  68static inline int batadv_nc_mesh_init(struct batadv_priv *bat_priv)
  69{
  70        return 0;
  71}
  72
  73static inline void batadv_nc_mesh_free(struct batadv_priv *bat_priv)
  74{
  75}
  76
  77static inline void
  78batadv_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
  86static inline void
  87batadv_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
  94static inline void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
  95{
  96}
  97
  98static inline void batadv_nc_init_orig(struct batadv_orig_node *orig_node)
  99{
 100}
 101
 102static inline bool batadv_nc_skb_forward(struct sk_buff *skb,
 103                                         struct batadv_neigh_node *neigh_node)
 104{
 105        return false;
 106}
 107
 108static inline void
 109batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv,
 110                                 struct sk_buff *skb)
 111{
 112}
 113
 114static inline void
 115batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv,
 116                                    struct sk_buff *skb)
 117{
 118}
 119
 120static inline int batadv_nc_nodes_seq_print_text(struct seq_file *seq,
 121                                                 void *offset)
 122{
 123        return 0;
 124}
 125
 126static 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