1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Cryptographic API.
 4 *
 5 * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au>
 6 */
 7#ifndef _LOCAL_CRYPTO_HASH_H
 8#define _LOCAL_CRYPTO_HASH_H
 9
10#include <crypto/internal/hash.h>
11#include <linux/cryptouser.h>
12
13#include "internal.h"
14
15static inline struct crypto_istat_hash *hash_get_stat(
16	struct hash_alg_common *alg)
17{
18#ifdef CONFIG_CRYPTO_STATS
19	return &alg->stat;
20#else
21	return NULL;
22#endif
23}
24
25static inline int crypto_hash_report_stat(struct sk_buff *skb,
26					  struct crypto_alg *alg,
27					  const char *type)
28{
29	struct hash_alg_common *halg = __crypto_hash_alg_common(alg);
30	struct crypto_istat_hash *istat = hash_get_stat(halg);
31	struct crypto_stat_hash rhash;
32
33	memset(&rhash, 0, sizeof(rhash));
34
35	strscpy(rhash.type, type, sizeof(rhash.type));
36
37	rhash.stat_hash_cnt = atomic64_read(&istat->hash_cnt);
38	rhash.stat_hash_tlen = atomic64_read(&istat->hash_tlen);
39	rhash.stat_err_cnt = atomic64_read(&istat->err_cnt);
40
41	return nla_put(skb, CRYPTOCFGA_STAT_HASH, sizeof(rhash), &rhash);
42}
43
44extern const struct crypto_type crypto_shash_type;
45
46int hash_prepare_alg(struct hash_alg_common *alg);
47
48#endif	/* _LOCAL_CRYPTO_HASH_H */