Revert "crypto: remove CONFIG_CRYPTO_STATS"

[linux-2.6-microblaze.git] / crypto / kpp.c

diff --git a/crypto/kpp.c b/crypto/kpp.c
index ecc63a1..33d44e5 100644 (file)
--- a/crypto/kpp.c
+++ b/crypto/kpp.c
@@ -66,6 +66,29 @@ 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,
@@ -75,6 +98,9 @@ static const struct crypto_type crypto_kpp_type = {
 #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,
@@ -105,11 +131,15 @@ 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)