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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NET_BATMAN_ADV_ORIGINATOR_H_
#define _NET_BATMAN_ADV_ORIGINATOR_H_
#include "main.h"
#include <linux/compiler.h>
#include <linux/if_ether.h>
#include <linux/jhash.h>
#include <linux/types.h>
struct netlink_callback;
struct seq_file;
struct sk_buff;
bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
int batadv_originator_init(struct batadv_priv *bat_priv);
void batadv_originator_free(struct batadv_priv *bat_priv);
void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
void batadv_orig_node_put(struct batadv_orig_node *orig_node);
struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
const u8 *addr);
struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr);
void
batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
struct batadv_neigh_node *
batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr);
void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
struct batadv_neigh_node *
batadv_orig_router_get(struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *if_outgoing);
struct batadv_neigh_ifinfo *
batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
struct batadv_hard_iface *if_outgoing);
struct batadv_neigh_ifinfo *
batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
struct batadv_hard_iface *if_outgoing);
void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_hardif_neigh_seq_print_text(struct seq_file *seq, void *offset);
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing);
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing);
void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
unsigned int max_if_num);
int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
unsigned int max_if_num);
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
unsigned short vid);
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
unsigned short vid);
void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
/**
* batadv_choose_orig() - Return the index of the orig entry in the hash table
* @data: mac address of the originator node
* @size: the size of the hash table
*
* Return: the hash index where the object represented by @data should be
* stored at.
*/
static inline u32 batadv_choose_orig(const void *data, u32 size)
{
u32 hash = 0;
hash = jhash(data, ETH_ALEN, hash);
return hash % size;
}
struct batadv_orig_node *
batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
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