linux/net/batman-adv/bridge_loop_avoidance.h
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   1/* Copyright (C) 2011-2012 B.A.T.M.A.N. contributors:
   2 *
   3 * Simon Wunderlich
   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, write to the Free Software
  16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17 * 02110-1301, USA
  18 */
  19
  20#ifndef _NET_BATMAN_ADV_BLA_H_
  21#define _NET_BATMAN_ADV_BLA_H_
  22
  23#ifdef CONFIG_BATMAN_ADV_BLA
  24int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid,
  25                  bool is_bcast);
  26int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid);
  27int batadv_bla_is_backbone_gw(struct sk_buff *skb,
  28                              struct batadv_orig_node *orig_node, int hdr_size);
  29int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
  30int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  31                                             void *offset);
  32int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
  33int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
  34                                   struct batadv_bcast_packet *bcast_packet,
  35                                   int hdr_size);
  36void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  37                                    struct batadv_hard_iface *primary_if,
  38                                    struct batadv_hard_iface *oldif);
  39int batadv_bla_init(struct batadv_priv *bat_priv);
  40void batadv_bla_free(struct batadv_priv *bat_priv);
  41
  42#define BATADV_BLA_CRC_INIT     0
  43#else /* ifdef CONFIG_BATMAN_ADV_BLA */
  44
  45static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
  46                                struct sk_buff *skb, short vid, bool is_bcast)
  47{
  48        return 0;
  49}
  50
  51static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
  52                                struct sk_buff *skb, short vid)
  53{
  54        return 0;
  55}
  56
  57static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
  58                                            struct batadv_orig_node *orig_node,
  59                                            int hdr_size)
  60{
  61        return 0;
  62}
  63
  64static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
  65                                                        void *offset)
  66{
  67        return 0;
  68}
  69
  70static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  71                                                           void *offset)
  72{
  73        return 0;
  74}
  75
  76static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
  77                                                 uint8_t *orig)
  78{
  79        return 0;
  80}
  81
  82static inline int
  83batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
  84                               struct batadv_bcast_packet *bcast_packet,
  85                               int hdr_size)
  86{
  87        return 0;
  88}
  89
  90static inline void
  91batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  92                               struct batadv_hard_iface *primary_if,
  93                               struct batadv_hard_iface *oldif)
  94{
  95}
  96
  97static inline int batadv_bla_init(struct batadv_priv *bat_priv)
  98{
  99        return 1;
 100}
 101
 102static inline void batadv_bla_free(struct batadv_priv *bat_priv)
 103{
 104}
 105
 106#endif /* ifdef CONFIG_BATMAN_ADV_BLA */
 107
 108#endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */
 109
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