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kernel/linux-imx6_3.14.28/net/batman-adv/fragmentation.h 1.7 KB
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  /* Copyright (C) 2013-2014 B.A.T.M.A.N. contributors:
   *
   * Martin Hundebøll <martin@hundeboll.net>
   *
   * 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_FRAGMENTATION_H_
  #define _NET_BATMAN_ADV_FRAGMENTATION_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);
  bool 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
   *
   * Returns 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->head) &&
  	    batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
  		return true;
  	else
  		return false;
  }
  
  #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */