* Copyright (c) 2016, Intel Corporation
* Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
*/
+
+#include <crypto/internal/kpp.h>
+#include <linux/cryptouser.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/seq_file.h>
-#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/crypto.h>
-#include <crypto/algapi.h>
-#include <linux/cryptouser.h>
-#include <linux/compiler.h>
#include <net/netlink.h>
-#include <crypto/kpp.h>
-#include <crypto/internal/kpp.h>
+
#include "internal.h"
-#ifdef CONFIG_NET
-static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg)
+static int __maybe_unused crypto_kpp_report(
+ struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_kpp rkpp;
return nla_put(skb, CRYPTOCFGA_REPORT_KPP, sizeof(rkpp), &rkpp);
}
-#else
-static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg)
-{
- return -ENOSYS;
-}
-#endif
static void crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg)
__maybe_unused;
kpp->free(kpp);
}
+static int __maybe_unused crypto_kpp_report_stat(
+ struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct kpp_alg *kpp = __crypto_kpp_alg(alg);
+ struct crypto_istat_kpp *istat;
+ struct crypto_stat_kpp rkpp;
+
+ istat = kpp_get_stat(kpp);
+
+ memset(&rkpp, 0, sizeof(rkpp));
+
+ strscpy(rkpp.type, "kpp", sizeof(rkpp.type));
+
+ rkpp.stat_setsecret_cnt = atomic64_read(&istat->setsecret_cnt);
+ rkpp.stat_generate_public_key_cnt =
+ atomic64_read(&istat->generate_public_key_cnt);
+ rkpp.stat_compute_shared_secret_cnt =
+ atomic64_read(&istat->compute_shared_secret_cnt);
+ rkpp.stat_err_cnt = atomic64_read(&istat->err_cnt);
+
+ return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp);
+}
+
static const struct crypto_type crypto_kpp_type = {
.extsize = crypto_alg_extsize,
.init_tfm = crypto_kpp_init_tfm,
#ifdef CONFIG_PROC_FS
.show = crypto_kpp_show,
#endif
+#if IS_ENABLED(CONFIG_CRYPTO_USER)
.report = crypto_kpp_report,
+#endif
+#ifdef CONFIG_CRYPTO_STATS
+ .report_stat = crypto_kpp_report_stat,
+#endif
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_MASK,
.type = CRYPTO_ALG_TYPE_KPP,
static void kpp_prepare_alg(struct kpp_alg *alg)
{
+ struct crypto_istat_kpp *istat = kpp_get_stat(alg);
struct crypto_alg *base = &alg->base;
base->cra_type = &crypto_kpp_type;
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
base->cra_flags |= CRYPTO_ALG_TYPE_KPP;
+
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+ memset(istat, 0, sizeof(*istat));
}
int crypto_register_kpp(struct kpp_alg *alg)