xref: /linux/net/batman-adv/routing.h (revision 300a90b2cb5d442879e6398920c49aebbd5c8e40)
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 
15 bool batadv_check_management_packet(struct sk_buff *skb,
16 				    struct batadv_hard_iface *hard_iface,
17 				    int header_len);
18 void 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);
22 int batadv_recv_icmp_packet(struct sk_buff *skb,
23 			    struct batadv_hard_iface *recv_if);
24 int batadv_recv_unicast_packet(struct sk_buff *skb,
25 			       struct batadv_hard_iface *recv_if);
26 int batadv_recv_frag_packet(struct sk_buff *skb,
27 			    struct batadv_hard_iface *iface);
28 int batadv_recv_bcast_packet(struct sk_buff *skb,
29 			     struct batadv_hard_iface *recv_if);
30 #ifdef CONFIG_BATMAN_ADV_MCAST
31 int batadv_recv_mcast_packet(struct sk_buff *skb,
32 			     struct batadv_hard_iface *recv_if);
33 #else
34 static 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
41 int batadv_recv_unicast_tvlv(struct sk_buff *skb,
42 			     struct batadv_hard_iface *recv_if);
43 int batadv_recv_unhandled_unicast_packet(struct sk_buff *skb,
44 					 struct batadv_hard_iface *recv_if);
45 struct batadv_neigh_node *
46 batadv_find_router(struct batadv_priv *bat_priv,
47 		   struct batadv_orig_node *orig_node,
48 		   struct batadv_hard_iface *recv_if);
49 bool 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