LXR linux/net/batman-adv/originator.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (C) 2007-2020  B.A.T.M.A.N. contributors:
   3 *
   4 * Marek Lindner, Simon Wunderlich
   5 */
   6
   7#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
   8#define _NET_BATMAN_ADV_ORIGINATOR_H_
   9
  10#include "main.h"
  11
  12#include <linux/compiler.h>
  13#include <linux/if_ether.h>
  14#include <linux/jhash.h>
  15#include <linux/netlink.h>
  16#include <linux/seq_file.h>
  17#include <linux/skbuff.h>
  18#include <linux/types.h>
  19
  20bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
  21int batadv_originator_init(struct batadv_priv *bat_priv);
  22void batadv_originator_free(struct batadv_priv *bat_priv);
  23void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
  24void batadv_orig_node_put(struct batadv_orig_node *orig_node);
  25struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
  26                                              const u8 *addr);
  27struct batadv_hardif_neigh_node *
  28batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
  29                        const u8 *neigh_addr);
  30void
  31batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
  32struct batadv_neigh_node *
  33batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
  34                                struct batadv_hard_iface *hard_iface,
  35                                const u8 *neigh_addr);
  36void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
  37struct batadv_neigh_node *
  38batadv_orig_router_get(struct batadv_orig_node *orig_node,
  39                       const struct batadv_hard_iface *if_outgoing);
  40struct batadv_neigh_ifinfo *
  41batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
  42                        struct batadv_hard_iface *if_outgoing);
  43struct batadv_neigh_ifinfo *
  44batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
  45                        struct batadv_hard_iface *if_outgoing);
  46void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
  47
  48int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
  49int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
  50
  51struct batadv_orig_ifinfo *
  52batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
  53                       struct batadv_hard_iface *if_outgoing);
  54struct batadv_orig_ifinfo *
  55batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
  56                       struct batadv_hard_iface *if_outgoing);
  57void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
  58
  59int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
  60int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
  61int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
  62struct batadv_orig_node_vlan *
  63batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
  64                          unsigned short vid);
  65struct batadv_orig_node_vlan *
  66batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
  67                          unsigned short vid);
  68void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
  69
  70/**
  71 * batadv_choose_orig() - Return the index of the orig entry in the hash table
  72 * @data: mac address of the originator node
  73 * @size: the size of the hash table
  74 *
  75 * Return: the hash index where the object represented by @data should be
  76 * stored at.
  77 */
  78static inline u32 batadv_choose_orig(const void *data, u32 size)
  79{
  80        u32 hash = 0;
  81
  82        hash = jhash(data, ETH_ALEN, hash);
  83        return hash % size;
  84}
  85
  86struct batadv_orig_node *
  87batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
  88
  89#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
  90