diff --git a/crypto/algapi.c b/crypto/algapi.c
index fe48ce1957e1468c51f1ef17406a7d77748cd03f..6fcb6192a3d76b7928008acff427334dfeff3603 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -1051,36 +1051,6 @@ void crypto_stats_get(struct crypto_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_stats_get);
-void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.setsecret_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_set_secret);
-
-void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.generate_public_key_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_generate_public_key);
-
-void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.compute_shared_secret_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_compute_shared_secret);
-
void crypto_stats_rng_seed(struct crypto_alg *alg, int ret)
{
if (ret && ret != -EINPROGRESS && ret != -EBUSY)
diff --git a/crypto/crypto_user_stat.c b/crypto/crypto_user_stat.c
index ad616e19a3e1d9d8e95051978f3b02f6731815d1..6ace8b70866f548258f3e6af5a4651ebd7a07762 100644
--- a/crypto/crypto_user_stat.c
+++ b/crypto/crypto_user_stat.c
@@ -13,7 +13,6 @@
#include <net/sock.h>
#include <crypto/internal/skcipher.h>
#include <crypto/internal/rng.h>
-#include <crypto/kpp.h>
#include <crypto/internal/cryptouser.h>
#include "internal.h"
@@ -55,22 +54,6 @@ static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
return nla_put(skb, CRYPTOCFGA_STAT_COMPRESS, sizeof(rcomp), &rcomp);
}
-static int crypto_report_kpp(struct sk_buff *skb, struct crypto_alg *alg)
-{
- struct crypto_stat_kpp rkpp;
-
- memset(&rkpp, 0, sizeof(rkpp));
-
- strscpy(rkpp.type, "kpp", sizeof(rkpp.type));
-
- rkpp.stat_setsecret_cnt = atomic64_read(&alg->stats.kpp.setsecret_cnt);
- rkpp.stat_generate_public_key_cnt = atomic64_read(&alg->stats.kpp.generate_public_key_cnt);
- rkpp.stat_compute_shared_secret_cnt = atomic64_read(&alg->stats.kpp.compute_shared_secret_cnt);
- rkpp.stat_err_cnt = atomic64_read(&alg->stats.kpp.err_cnt);
-
- return nla_put(skb, CRYPTOCFGA_STAT_KPP, sizeof(rkpp), &rkpp);
-}
-
static int crypto_report_rng(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_stat_rng rrng;
@@ -135,10 +118,6 @@ static int crypto_reportstat_one(struct crypto_alg *alg,
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
- case CRYPTO_ALG_TYPE_KPP:
- if (crypto_report_kpp(skb, alg))
- goto nla_put_failure;
- break;
case CRYPTO_ALG_TYPE_RNG:
if (crypto_report_rng(skb, alg))
goto nla_put_failure;
diff --git a/crypto/kpp.c b/crypto/kpp.c
index 678e871ce418c089208056c22998c1b29cdd34cb..3e19c2f2cf945e90747d13a369d84106780533d9 100644
--- a/crypto/kpp.c
+++ b/crypto/kpp.c
@@ -5,19 +5,16 @@
* 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
@@ -75,6 +72,29 @@ static void crypto_kpp_free_instance(struct crypto_instance *inst)
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,
@@ -83,6 +103,9 @@ static const struct crypto_type crypto_kpp_type = {
.show = crypto_kpp_show,
#endif
.report = crypto_kpp_report,
+#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,
@@ -112,11 +135,15 @@ EXPORT_SYMBOL_GPL(crypto_has_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)
diff --git a/include/crypto/kpp.h b/include/crypto/kpp.h
index 33ff32878802a3db9a2c303b29c4a0ae4ce18df3..1988e24a0d1db6411573f64cd8499181b96cfcda 100644
--- a/include/crypto/kpp.h
+++ b/include/crypto/kpp.h
@@ -8,7 +8,11 @@
#ifndef _CRYPTO_KPP_
#define _CRYPTO_KPP_
+
+#include <linux/atomic.h>
+#include <linux/container_of.h>
#include <linux/crypto.h>
+#include <linux/slab.h>
/**
* struct kpp_request
@@ -47,6 +51,20 @@ struct crypto_kpp {
struct crypto_tfm base;
};
+/*
+ * struct crypto_istat_kpp - statistics for KPP algorithm
+ * @setsecret_cnt: number of setsecrey operation
+ * @generate_public_key_cnt: number of generate_public_key operation
+ * @compute_shared_secret_cnt: number of compute_shared_secret operation
+ * @err_cnt: number of error for KPP requests
+ */
+struct crypto_istat_kpp {
+ atomic64_t setsecret_cnt;
+ atomic64_t generate_public_key_cnt;
+ atomic64_t compute_shared_secret_cnt;
+ atomic64_t err_cnt;
+};
+
/**
* struct kpp_alg - generic key-agreement protocol primitives
*
@@ -69,6 +87,7 @@ struct crypto_kpp {
* @exit: Undo everything @init did.
*
* @base: Common crypto API algorithm data structure
+ * @stat: Statistics for KPP algorithm
*/
struct kpp_alg {
int (*set_secret)(struct crypto_kpp *tfm, const void *buffer,
@@ -81,6 +100,10 @@ struct kpp_alg {
int (*init)(struct crypto_kpp *tfm);
void (*exit)(struct crypto_kpp *tfm);
+#ifdef CONFIG_CRYPTO_STATS
+ struct crypto_istat_kpp stat;
+#endif
+
struct crypto_alg base;
};
@@ -268,6 +291,26 @@ struct kpp_secret {
unsigned short len;
};
+static inline struct crypto_istat_kpp *kpp_get_stat(struct kpp_alg *alg)
+{
+#ifdef CONFIG_CRYPTO_STATS
+ return &alg->stat;
+#else
+ return NULL;
+#endif
+}
+
+static inline int crypto_kpp_errstat(struct kpp_alg *alg, int err)
+{
+ if (!IS_ENABLED(CONFIG_CRYPTO_STATS))
+ return err;
+
+ if (err && err != -EINPROGRESS && err != -EBUSY)
+ atomic64_inc(&kpp_get_stat(alg)->err_cnt);
+
+ return err;
+}
+
/**
* crypto_kpp_set_secret() - Invoke kpp operation
*
@@ -287,13 +330,11 @@ static inline int crypto_kpp_set_secret(struct crypto_kpp *tfm,
const void *buffer, unsigned int len)
{
struct kpp_alg *alg = crypto_kpp_alg(tfm);
- struct crypto_alg *calg = tfm->base.__crt_alg;
- int ret;
- crypto_stats_get(calg);
- ret = alg->set_secret(tfm, buffer, len);
- crypto_stats_kpp_set_secret(calg, ret);
- return ret;
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+ atomic64_inc(&kpp_get_stat(alg)->setsecret_cnt);
+
+ return crypto_kpp_errstat(alg, alg->set_secret(tfm, buffer, len));
}
/**
@@ -313,13 +354,11 @@ static inline int crypto_kpp_generate_public_key(struct kpp_request *req)
{
struct crypto_kpp *tfm = crypto_kpp_reqtfm(req);
struct kpp_alg *alg = crypto_kpp_alg(tfm);
- struct crypto_alg *calg = tfm->base.__crt_alg;
- int ret;
- crypto_stats_get(calg);
- ret = alg->generate_public_key(req);
- crypto_stats_kpp_generate_public_key(calg, ret);
- return ret;
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+ atomic64_inc(&kpp_get_stat(alg)->generate_public_key_cnt);
+
+ return crypto_kpp_errstat(alg, alg->generate_public_key(req));
}
/**
@@ -336,13 +375,11 @@ static inline int crypto_kpp_compute_shared_secret(struct kpp_request *req)
{
struct crypto_kpp *tfm = crypto_kpp_reqtfm(req);
struct kpp_alg *alg = crypto_kpp_alg(tfm);
- struct crypto_alg *calg = tfm->base.__crt_alg;
- int ret;
- crypto_stats_get(calg);
- ret = alg->compute_shared_secret(req);
- crypto_stats_kpp_compute_shared_secret(calg, ret);
- return ret;
+ if (IS_ENABLED(CONFIG_CRYPTO_STATS))
+ atomic64_inc(&kpp_get_stat(alg)->compute_shared_secret_cnt);
+
+ return crypto_kpp_errstat(alg, alg->compute_shared_secret(req));
}
/**
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 42bc55b642a03d5ce7c4816004b8eb2b26245e01..c66f7dc21cbb0506739a5d799b8303fe89ae0c55 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -292,20 +292,6 @@ struct crypto_istat_cipher {
atomic64_t err_cnt;
};
-/*
- * struct crypto_istat_kpp - statistics for KPP algorithm
- * @setsecret_cnt: number of setsecrey operation
- * @generate_public_key_cnt: number of generate_public_key operation
- * @compute_shared_secret_cnt: number of compute_shared_secret operation
- * @err_cnt: number of error for KPP requests
- */
-struct crypto_istat_kpp {
- atomic64_t setsecret_cnt;
- atomic64_t generate_public_key_cnt;
- atomic64_t compute_shared_secret_cnt;
- atomic64_t err_cnt;
-};
-
/*
* struct crypto_istat_rng: statistics for RNG algorithm
* @generate_cnt: number of RNG generate requests
@@ -401,7 +387,6 @@ struct crypto_istat_rng {
* @stats: union of all possible crypto_istat_xxx structures
* @stats.cipher: statistics for cipher algorithm
* @stats.rng: statistics for rng algorithm
- * @stats.kpp: statistics for KPP algorithm
*
* The struct crypto_alg describes a generic Crypto API algorithm and is common
* for all of the transformations. Any variable not documented here shall not
@@ -439,7 +424,6 @@ struct crypto_alg {
union {
struct crypto_istat_cipher cipher;
struct crypto_istat_rng rng;
- struct crypto_istat_kpp kpp;
} stats;
#endif /* CONFIG_CRYPTO_STATS */
@@ -448,9 +432,6 @@ struct crypto_alg {
#ifdef CONFIG_CRYPTO_STATS
void crypto_stats_init(struct crypto_alg *alg);
void crypto_stats_get(struct crypto_alg *alg);
-void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret);
-void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret);
-void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret);
void crypto_stats_rng_seed(struct crypto_alg *alg, int ret);
void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen, int ret);
void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret, struct crypto_alg *alg);
@@ -460,12 +441,6 @@ static inline void crypto_stats_init(struct crypto_alg *alg)
{}
static inline void crypto_stats_get(struct crypto_alg *alg)
{}
-static inline void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
-{}
-static inline void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)
-{}
-static inline void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret)
-{}
static inline void crypto_stats_rng_seed(struct crypto_alg *alg, int ret)
{}
static inline void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen, int ret)