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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