/* Copyright (C) 2014-2017  B.A.T.M.A.N. contributors:

   *
   * Linus Lüssing
   *
   * 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_MULTICAST_H_
  #define _NET_BATMAN_ADV_MULTICAST_H_

  #include "main.h"

  struct seq_file;

  struct sk_buff;

  /**

   * enum batadv_forw_mode - the way a packet should be forwarded as

   * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
   *  flooding)
   * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
   *  BATMAN unicast routing protocol)
   * @BATADV_FORW_NONE: don't forward, drop it
   */
  enum batadv_forw_mode {
  	BATADV_FORW_ALL,
  	BATADV_FORW_SINGLE,
  	BATADV_FORW_NONE,
  };

  #ifdef CONFIG_BATMAN_ADV_MCAST

  enum batadv_forw_mode
  batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		       struct batadv_orig_node **mcast_single_orig);

  void batadv_mcast_init(struct batadv_priv *bat_priv);

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

  void batadv_mcast_free(struct batadv_priv *bat_priv);

  void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);

  #else

  static inline enum batadv_forw_mode
  batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
  		       struct batadv_orig_node **mcast_single_orig)
  {
  	return BATADV_FORW_ALL;
  }

  static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
  {
  	return 0;
  }

  static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
  {

  }

  static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
  {

  }

  #endif /* CONFIG_BATMAN_ADV_MCAST */
  
  #endif /* _NET_BATMAN_ADV_MULTICAST_H_ */