1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2013-2020 B.A.T.M.A.N. contributors:
3 *
4 * Martin Hundebøll <martin@hundeboll.net>
5 */
6
7 #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
8 #define _NET_BATMAN_ADV_FRAGMENTATION_H_
9
10 #include "main.h"
11
12 #include <linux/compiler.h>
13 #include <linux/list.h>
14 #include <linux/skbuff.h>
15 #include <linux/stddef.h>
16 #include <linux/types.h>
17
18 void batadv_frag_purge_orig(struct batadv_orig_node *orig,
19 bool (*check_cb)(struct batadv_frag_table_entry *));
20 bool batadv_frag_skb_fwd(struct sk_buff *skb,
21 struct batadv_hard_iface *recv_if,
22 struct batadv_orig_node *orig_node_src);
23 bool batadv_frag_skb_buffer(struct sk_buff **skb,
24 struct batadv_orig_node *orig_node);
25 int batadv_frag_send_packet(struct sk_buff *skb,
26 struct batadv_orig_node *orig_node,
27 struct batadv_neigh_node *neigh_node);
28
29 /**
30 * batadv_frag_check_entry() - check if a list of fragments has timed out
31 * @frags_entry: table entry to check
32 *
33 * Return: true if the frags entry has timed out, false otherwise.
34 */
35 static inline bool
36 batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
37 {
38 if (!hlist_empty(&frags_entry->fragment_list) &&
39 batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
40 return true;
41 return false;
42 }
43
44 #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */
45
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