net/batman-adv/routing.h

   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_ */