1 /* Copyright (C) 2013 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, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA
18  */
19 
20 #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
21 #define _NET_BATMAN_ADV_FRAGMENTATION_H_
22 
23 void batadv_frag_purge_orig(struct batadv_orig_node *orig,
24 			    bool (*check_cb)(struct batadv_frag_table_entry *));
25 bool batadv_frag_skb_fwd(struct sk_buff *skb,
26 			 struct batadv_hard_iface *recv_if,
27 			 struct batadv_orig_node *orig_node_src);
28 bool batadv_frag_skb_buffer(struct sk_buff **skb,
29 			    struct batadv_orig_node *orig_node);
30 bool batadv_frag_send_packet(struct sk_buff *skb,
31 			     struct batadv_orig_node *orig_node,
32 			     struct batadv_neigh_node *neigh_node);
33 
34 /**
35  * batadv_frag_check_entry - check if a list of fragments has timed out
36  * @frags_entry: table entry to check
37  *
38  * Returns true if the frags entry has timed out, false otherwise.
39  */
40 static inline bool
41 batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
42 {
43 	if (!hlist_empty(&frags_entry->head) &&
44 	    batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
45 		return true;
46 	else
47 		return false;
48 }
49 
50 #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */
51