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 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of version 2 of the GNU General Public 8 * License as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_ 20 #define _NET_BATMAN_ADV_FRAGMENTATION_H_ 21 22 #include "main.h" 23 24 #include <linux/compiler.h> 25 #include <linux/list.h> 26 #include <linux/stddef.h> 27 #include <linux/types.h> 28 29 struct sk_buff; 30 31 void batadv_frag_purge_orig(struct batadv_orig_node *orig, 32 bool (*check_cb)(struct batadv_frag_table_entry *)); 33 bool batadv_frag_skb_fwd(struct sk_buff *skb, 34 struct batadv_hard_iface *recv_if, 35 struct batadv_orig_node *orig_node_src); 36 bool batadv_frag_skb_buffer(struct sk_buff **skb, 37 struct batadv_orig_node *orig_node); 38 int batadv_frag_send_packet(struct sk_buff *skb, 39 struct batadv_orig_node *orig_node, 40 struct batadv_neigh_node *neigh_node); 41 42 /** 43 * batadv_frag_check_entry() - check if a list of fragments has timed out 44 * @frags_entry: table entry to check 45 * 46 * Return: true if the frags entry has timed out, false otherwise. 47 */ 48 static inline bool 49 batadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry) 50 { 51 if (!hlist_empty(&frags_entry->fragment_list) && 52 batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT)) 53 return true; 54 return false; 55 } 56 57 #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */ 58