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TOMOYO Linux Cross Reference
Linux/net/batman-adv/fragmentation.h

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  1 /* Copyright (C) 2013-2016  B.A.T.M.A.N. contributors:
  2  *
  3  * Martin Hundebøll <martin@hundeboll.net>
  4  *
  5  * This program is free software; you can redistribute it and/or
  6  * modify it under the terms of version 2 of the GNU General Public
  7  * License as published by the Free Software Foundation.
  8  *
  9  * This program is distributed in the hope that it will be useful, but
 10  * WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 12  * General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU General Public License
 15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
 16  */
 17 
 18 #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
 19 #define _NET_BATMAN_ADV_FRAGMENTATION_H_
 20 
 21 #include "main.h"
 22 
 23 #include <linux/compiler.h>
 24 #include <linux/list.h>
 25 #include <linux/stddef.h>
 26 #include <linux/types.h>
 27 
 28 struct sk_buff;
 29 
 30 void batadv_frag_purge_orig(struct batadv_orig_node *orig,
 31                             bool (*check_cb)(struct batadv_frag_table_entry *));
 32 bool batadv_frag_skb_fwd(struct sk_buff *skb,
 33                          struct batadv_hard_iface *recv_if,
 34                          struct batadv_orig_node *orig_node_src);
 35 bool batadv_frag_skb_buffer(struct sk_buff **skb,
 36                             struct batadv_orig_node *orig_node);
 37 int batadv_frag_send_packet(struct sk_buff *skb,
 38                             struct batadv_orig_node *orig_node,
 39                             struct batadv_neigh_node *neigh_node);
 40 
 41 /**
 42  * batadv_frag_check_entry - check if a list of fragments has timed out
 43  * @frags_entry: table entry to check
 44  *
 45  * Return: true if the frags entry has timed out, false otherwise.
 46  */
 47 static inline bool
 48 batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
 49 {
 50         if (!hlist_empty(&frags_entry->fragment_list) &&
 51             batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
 52                 return true;
 53         return false;
 54 }
 55 
 56 #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */
 57 

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