/* Copyright (C) 2011-2016  B.A.T.M.A.N. contributors:

   *
   * Simon Wunderlich
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of version 2 of the GNU General Public
   * License as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License

   * along with this program; if not, see <http://www.gnu.org/licenses/>.

   */
  
  #ifndef _NET_BATMAN_ADV_BLA_H_
  #define _NET_BATMAN_ADV_BLA_H_

  #include "main.h"
  
  #include <linux/types.h>

  struct net_device;

  struct netlink_callback;

  struct seq_file;
  struct sk_buff;

  #ifdef CONFIG_BATMAN_ADV_BLA

  bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		   unsigned short vid, bool is_bcast);
  bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		   unsigned short vid);
  bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
  			       struct batadv_orig_node *orig_node,
  			       int hdr_size);

  int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);

  int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);

  int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  					     void *offset);

  int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb);

  bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, u8 *orig,

  				    unsigned short vid);

  bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
  				    struct sk_buff *skb);

  void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  				    struct batadv_hard_iface *primary_if,
  				    struct batadv_hard_iface *oldif);

  void batadv_bla_status_update(struct net_device *net_dev);

  int batadv_bla_init(struct batadv_priv *bat_priv);
  void batadv_bla_free(struct batadv_priv *bat_priv);

  int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb);

  #define BATADV_BLA_CRC_INIT	0

  #else /* ifdef CONFIG_BATMAN_ADV_BLA */

  static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
  				 struct sk_buff *skb, unsigned short vid,
  				 bool is_bcast)

  {

  	return false;

  }

  static inline bool batadv_bla_tx(struct batadv_priv *bat_priv,
  				 struct sk_buff *skb, unsigned short vid)

  {

  	return false;

  }

  static inline bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
  					     struct batadv_orig_node *orig_node,
  					     int hdr_size)

  {

  	return false;

  }

  static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
  							void *offset)

  {
  	return 0;
  }

  static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
  							   void *offset)
  {
  	return 0;
  }

  static inline bool batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,

  						  u8 *orig, unsigned short vid)

  {

  	return false;

  }

  static inline bool

  batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,

  			       struct sk_buff *skb)

  {

  	return false;

  }

  static inline void

  batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  			       struct batadv_hard_iface *primary_if,
  			       struct batadv_hard_iface *oldif)

  {
  }

  static inline int batadv_bla_init(struct batadv_priv *bat_priv)

  {
  	return 1;
  }

  static inline void batadv_bla_free(struct batadv_priv *bat_priv)

  {
  }

  static inline int batadv_bla_claim_dump(struct sk_buff *msg,
  					struct netlink_callback *cb)
  {
  	return -EOPNOTSUPP;
  }

  static inline int batadv_bla_backbone_dump(struct sk_buff *msg,
  					   struct netlink_callback *cb)
  {
  	return -EOPNOTSUPP;
  }

  #endif /* ifdef CONFIG_BATMAN_ADV_BLA */

  
  #endif /* ifndef _NET_BATMAN_ADV_BLA_H_ */