linux/drivers/net/wireguard/peerlookup.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2015-2019 Jason A. Donenfeld <[email protected]>. All Rights Reserved.
 */

#ifndef _WG_PEERLOOKUP_H
#define _WG_PEERLOOKUP_H

#include "messages.h"

#include <linux/hashtable.h>
#include <linux/mutex.h>
#include <linux/siphash.h>

struct wg_peer;

struct pubkey_hashtable { … };

struct pubkey_hashtable *wg_pubkey_hashtable_alloc(void);
void wg_pubkey_hashtable_add(struct pubkey_hashtable *table,
			     struct wg_peer *peer);
void wg_pubkey_hashtable_remove(struct pubkey_hashtable *table,
				struct wg_peer *peer);
struct wg_peer *
wg_pubkey_hashtable_lookup(struct pubkey_hashtable *table,
			   const u8 pubkey[NOISE_PUBLIC_KEY_LEN]);

struct index_hashtable { … };

enum index_hashtable_type { … };

struct index_hashtable_entry { … };

struct index_hashtable *wg_index_hashtable_alloc(void);
__le32 wg_index_hashtable_insert(struct index_hashtable *table,
				 struct index_hashtable_entry *entry);
bool wg_index_hashtable_replace(struct index_hashtable *table,
				struct index_hashtable_entry *old,
				struct index_hashtable_entry *new);
void wg_index_hashtable_remove(struct index_hashtable *table,
			       struct index_hashtable_entry *entry);
struct index_hashtable_entry *
wg_index_hashtable_lookup(struct index_hashtable *table,
			  const enum index_hashtable_type type_mask,
			  const __le32 index, struct wg_peer **peer);

#endif /* _WG_PEERLOOKUP_H */