Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / net / batman-adv / fragmentation.h
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7db7d9f3 1/* SPDX-License-Identifier: GPL-2.0 */
7a79d717 2/* Copyright (C) 2013-2019 B.A.T.M.A.N. contributors:
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3 *
4 * Martin Hundebøll <martin@hundeboll.net>
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5 */
6
7#ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_
8#define _NET_BATMAN_ADV_FRAGMENTATION_H_
9
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10#include "main.h"
11
12#include <linux/compiler.h>
13#include <linux/list.h>
14#include <linux/stddef.h>
15#include <linux/types.h>
16
17struct sk_buff;
18
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19void batadv_frag_purge_orig(struct batadv_orig_node *orig,
20 bool (*check_cb)(struct batadv_frag_table_entry *));
21bool batadv_frag_skb_fwd(struct sk_buff *skb,
22 struct batadv_hard_iface *recv_if,
23 struct batadv_orig_node *orig_node_src);
24bool batadv_frag_skb_buffer(struct sk_buff **skb,
25 struct batadv_orig_node *orig_node);
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26int batadv_frag_send_packet(struct sk_buff *skb,
27 struct batadv_orig_node *orig_node,
28 struct batadv_neigh_node *neigh_node);
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29
30/**
7e9a8c2c 31 * batadv_frag_check_entry() - check if a list of fragments has timed out
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32 * @frags_entry: table entry to check
33 *
62fe710f 34 * Return: true if the frags entry has timed out, false otherwise.
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35 */
36static inline bool
37batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry)
38{
176e5b77 39 if (!hlist_empty(&frags_entry->fragment_list) &&
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40 batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT))
41 return true;
24820df1 42 return false;
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43}
44
45#endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */