/* Copyright (C) 2007-2013 B.A.T.M.A.N. contributors:

   *
   * Marek Lindner, 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, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
   * 02110-1301, USA

   */
  
  #ifndef _NET_BATMAN_ADV_SEND_H_
  #define _NET_BATMAN_ADV_SEND_H_

  int batadv_send_skb_packet(struct sk_buff *skb,
  			   struct batadv_hard_iface *hard_iface,

  			   const uint8_t *dst_addr);

  int batadv_send_skb_to_orig(struct sk_buff *skb,
  			    struct batadv_orig_node *orig_node,
  			    struct batadv_hard_iface *recv_if);

  void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
  int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,

  				    const struct sk_buff *skb,
  				    unsigned long delay);
  void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);

  void
  batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
  				 const struct batadv_hard_iface *hard_iface);

  bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
  					   struct sk_buff *skb,
  					   struct batadv_orig_node *orig_node,
  					   int packet_subtype);

  int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
  				   struct sk_buff *skb, int packet_type,
  				   int packet_subtype, unsigned short vid);
  int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
  			   unsigned short vid);

  
  /**

   * batadv_send_skb_via_tt - send an skb via TT lookup

   * @bat_priv: the bat priv with all the soft interface information
   * @skb: the payload to send

   * @vid: the vid to be used to search the translation table

   *

   * Look up the recipient node for the destination address in the ethernet
   * header via the translation table. Wrap the given skb into a batman-adv
   * unicast header. Then send this frame to the according destination node.
   *
   * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.

   */

  static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
  					 struct sk_buff *skb,
  					 unsigned short vid)

  {

  	return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
  					      vid);

  }
  
  /**

   * batadv_send_skb_via_tt_4addr - send an skb via TT lookup

   * @bat_priv: the bat priv with all the soft interface information
   * @skb: the payload to send
   * @packet_subtype: the unicast 4addr packet subtype to use

   * @vid: the vid to be used to search the translation table

   *

   * Look up the recipient node for the destination address in the ethernet
   * header via the translation table. Wrap the given skb into a batman-adv
   * unicast-4addr header. Then send this frame to the according destination
   * node.
   *
   * Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.

   */

  static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
  					       struct sk_buff *skb,
  					       int packet_subtype,
  					       unsigned short vid)

  {

  	return batadv_send_skb_via_tt_generic(bat_priv, skb,
  					      BATADV_UNICAST_4ADDR,
  					      packet_subtype, vid);

  }

  
  #endif /* _NET_BATMAN_ADV_SEND_H_ */