1 /* Copyright (C) 2013-2017 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