1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (C) B.A.T.M.A.N. contributors:
3 *
4 * Marek Lindner, Simon Wunderlich
5 */
6
7#ifndef _NET_BATMAN_ADV_ROUTING_H_
8#define _NET_BATMAN_ADV_ROUTING_H_
9
10#include "main.h"
11
12#include <linux/skbuff.h>
13#include <linux/types.h>
14
15bool batadv_check_management_packet(struct sk_buff *skb,
16				    struct batadv_hard_iface *hard_iface,
17				    int header_len);
18void batadv_update_route(struct batadv_priv *bat_priv,
19			 struct batadv_orig_node *orig_node,
20			 struct batadv_hard_iface *recv_if,
21			 struct batadv_neigh_node *neigh_node);
22int batadv_recv_icmp_packet(struct sk_buff *skb,
23			    struct batadv_hard_iface *recv_if);
24int batadv_recv_unicast_packet(struct sk_buff *skb,
25			       struct batadv_hard_iface *recv_if);
26int batadv_recv_frag_packet(struct sk_buff *skb,
27			    struct batadv_hard_iface *iface);
28int batadv_recv_bcast_packet(struct sk_buff *skb,
29			     struct batadv_hard_iface *recv_if);
30#ifdef CONFIG_BATMAN_ADV_MCAST
31int batadv_recv_mcast_packet(struct sk_buff *skb,
32			     struct batadv_hard_iface *recv_if);
33#else
34static inline int batadv_recv_mcast_packet(struct sk_buff *skb,
35					   struct batadv_hard_iface *recv_if)
36{
37	kfree_skb(skb);
38	return NET_RX_DROP;
39}
40#endif
41int batadv_recv_unicast_tvlv(struct sk_buff *skb,
42			     struct batadv_hard_iface *recv_if);
43int batadv_recv_unhandled_unicast_packet(struct sk_buff *skb,
44					 struct batadv_hard_iface *recv_if);
45struct batadv_neigh_node *
46batadv_find_router(struct batadv_priv *bat_priv,
47		   struct batadv_orig_node *orig_node,
48		   struct batadv_hard_iface *recv_if);
49bool batadv_window_protected(struct batadv_priv *bat_priv, s32 seq_num_diff,
50			     s32 seq_old_max_diff, unsigned long *last_reset,
51			     bool *protection_started);
52
53#endif /* _NET_BATMAN_ADV_ROUTING_H_ */
54