LXR linux/net/batman-adv/fragmentation.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (C) 2013-2019  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
  18void batadv_frag_purge_orig(struct batadv_orig_node *orig,
  19                            bool (*check_cb)(struct batadv_frag_table_entry *));
  20bool batadv_frag_skb_fwd(struct sk_buff *skb,
  21                         struct batadv_hard_iface *recv_if,
  22                         struct batadv_orig_node *orig_node_src);
  23bool batadv_frag_skb_buffer(struct sk_buff **skb,
  24                            struct batadv_orig_node *orig_node);
  25int 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 */
  35static inline bool
  36batadv_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