/* SPDX-License-Identifier: GPL-2.0 */
  /* Copyright (C) 2013-2019  B.A.T.M.A.N. contributors:
   *
   * Martin Hundebøll <martin@hundeboll.net>
   */
  
  #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
  #define _NET_BATMAN_ADV_FRAGMENTATION_H_
  
  #include "main.h"
  
  #include <linux/compiler.h>
  #include <linux/list.h>
  #include <linux/skbuff.h>
  #include <linux/stddef.h>
  #include <linux/types.h>
  
  void batadv_frag_purge_orig(struct batadv_orig_node *orig,
  			    bool (*check_cb)(struct batadv_frag_table_entry *));
  bool batadv_frag_skb_fwd(struct sk_buff *skb,
  			 struct batadv_hard_iface *recv_if,
  			 struct batadv_orig_node *orig_node_src);
  bool batadv_frag_skb_buffer(struct sk_buff **skb,
  			    struct batadv_orig_node *orig_node);
  int batadv_frag_send_packet(struct sk_buff *skb,
  			    struct batadv_orig_node *orig_node,
  			    struct batadv_neigh_node *neigh_node);
  
  /**
   * batadv_frag_check_entry() - check if a list of fragments has timed out
   * @frags_entry: table entry to check
   *
   * Return: true if the frags entry has timed out, false otherwise.
   */
  static inline bool
  batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
  {
  	if (!hlist_empty(&frags_entry->fragment_list) &&
  	    batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
  		return true;
  	return false;
  }
  
  #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */