linux/net/batman-adv/hash.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) B.A.T.M.A.N. contributors:
 *
 * Simon Wunderlich, Marek Lindner
 */

#include "hash.h"
#include "main.h"

#include <linux/gfp.h>
#include <linux/lockdep.h>
#include <linux/slab.h>

/* clears the hash */
static void batadv_hash_init(struct batadv_hashtable *hash)
{ … }

/**
 * batadv_hash_destroy() - Free only the hashtable and the hash itself
 * @hash: hash object to destroy
 */
void batadv_hash_destroy(struct batadv_hashtable *hash)
{ … }

/**
 * batadv_hash_new() - Allocates and clears the hashtable
 * @size: number of hash buckets to allocate
 *
 * Return: newly allocated hashtable, NULL on errors
 */
struct batadv_hashtable *batadv_hash_new(u32 size)
{ … }

/**
 * batadv_hash_set_lock_class() - Set specific lockdep class for hash spinlocks
 * @hash: hash object to modify
 * @key: lockdep class key address
 */
void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
				struct lock_class_key *key)
{ … }