1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright (C) 2013-2020 B.A.T.M.A.N. contributors: 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Martin Hundebøll <martin@hundeboll.net> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef _NET_BATMAN_ADV_FRAGMENTATION_H_ 8*4882a593Smuzhiyun #define _NET_BATMAN_ADV_FRAGMENTATION_H_ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include "main.h" 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/compiler.h> 13*4882a593Smuzhiyun #include <linux/list.h> 14*4882a593Smuzhiyun #include <linux/skbuff.h> 15*4882a593Smuzhiyun #include <linux/stddef.h> 16*4882a593Smuzhiyun #include <linux/types.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun void batadv_frag_purge_orig(struct batadv_orig_node *orig, 19*4882a593Smuzhiyun bool (*check_cb)(struct batadv_frag_table_entry *)); 20*4882a593Smuzhiyun bool batadv_frag_skb_fwd(struct sk_buff *skb, 21*4882a593Smuzhiyun struct batadv_hard_iface *recv_if, 22*4882a593Smuzhiyun struct batadv_orig_node *orig_node_src); 23*4882a593Smuzhiyun bool batadv_frag_skb_buffer(struct sk_buff **skb, 24*4882a593Smuzhiyun struct batadv_orig_node *orig_node); 25*4882a593Smuzhiyun int batadv_frag_send_packet(struct sk_buff *skb, 26*4882a593Smuzhiyun struct batadv_orig_node *orig_node, 27*4882a593Smuzhiyun struct batadv_neigh_node *neigh_node); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /** 30*4882a593Smuzhiyun * batadv_frag_check_entry() - check if a list of fragments has timed out 31*4882a593Smuzhiyun * @frags_entry: table entry to check 32*4882a593Smuzhiyun * 33*4882a593Smuzhiyun * Return: true if the frags entry has timed out, false otherwise. 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun static inline bool batadv_frag_check_entry(struct batadv_frag_table_entry * frags_entry)36*4882a593Smuzhiyunbatadv_frag_check_entry(struct batadv_frag_table_entry *frags_entry) 37*4882a593Smuzhiyun { 38*4882a593Smuzhiyun if (!hlist_empty(&frags_entry->fragment_list) && 39*4882a593Smuzhiyun batadv_has_timed_out(frags_entry->timestamp, BATADV_FRAG_TIMEOUT)) 40*4882a593Smuzhiyun return true; 41*4882a593Smuzhiyun return false; 42*4882a593Smuzhiyun } 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #endif /* _NET_BATMAN_ADV_FRAGMENTATION_H_ */ 45