1 files changed, 240 insertions, 7 deletions

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 2545c5f89c4c..8b65ada33e5d 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -258,13 +258,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
 	list_add(&alg->cra_list, &crypto_alg_list);
 	list_add(&larval->alg.cra_list, &crypto_alg_list);
 
-	atomic_set(&alg->encrypt_cnt, 0);
-	atomic_set(&alg->decrypt_cnt, 0);
-	atomic64_set(&alg->encrypt_tlen, 0);
-	atomic64_set(&alg->decrypt_tlen, 0);
-	atomic_set(&alg->verify_cnt, 0);
-	atomic_set(&alg->cipher_err_cnt, 0);
-	atomic_set(&alg->sign_cnt, 0);
+	crypto_stats_init(alg);
 
 out:
 	return larval;
@@ -1076,6 +1070,245 @@ int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
 }
 EXPORT_SYMBOL_GPL(crypto_type_has_alg);
 
+#ifdef CONFIG_CRYPTO_STATS
+void crypto_stats_init(struct crypto_alg *alg)
+{
+	memset(&alg->stats, 0, sizeof(alg->stats));
+}
+EXPORT_SYMBOL_GPL(crypto_stats_init);
+
+void crypto_stats_get(struct crypto_alg *alg)
+{
+	crypto_alg_get(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_get);
+
+void crypto_stats_ablkcipher_encrypt(unsigned int nbytes, int ret,
+				     struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.cipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.cipher.encrypt_cnt);
+		atomic64_add(nbytes, &alg->stats.cipher.encrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_encrypt);
+
+void crypto_stats_ablkcipher_decrypt(unsigned int nbytes, int ret,
+				     struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.cipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.cipher.decrypt_cnt);
+		atomic64_add(nbytes, &alg->stats.cipher.decrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_decrypt);
+
+void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg,
+			       int ret)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.aead.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.aead.encrypt_cnt);
+		atomic64_add(cryptlen, &alg->stats.aead.encrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_aead_encrypt);
+
+void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg,
+			       int ret)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.aead.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.aead.decrypt_cnt);
+		atomic64_add(cryptlen, &alg->stats.aead.decrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_aead_decrypt);
+
+void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret,
+				   struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.akcipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.akcipher.encrypt_cnt);
+		atomic64_add(src_len, &alg->stats.akcipher.encrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_encrypt);
+
+void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret,
+				   struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.akcipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.akcipher.decrypt_cnt);
+		atomic64_add(src_len, &alg->stats.akcipher.decrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_decrypt);
+
+void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+		atomic64_inc(&alg->stats.akcipher.err_cnt);
+	else
+		atomic64_inc(&alg->stats.akcipher.sign_cnt);
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_sign);
+
+void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+		atomic64_inc(&alg->stats.akcipher.err_cnt);
+	else
+		atomic64_inc(&alg->stats.akcipher.verify_cnt);
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_verify);
+
+void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.compress.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.compress.compress_cnt);
+		atomic64_add(slen, &alg->stats.compress.compress_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_compress);
+
+void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.compress.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.compress.decompress_cnt);
+		atomic64_add(slen, &alg->stats.compress.decompress_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_decompress);
+
+void crypto_stats_ahash_update(unsigned int nbytes, int ret,
+			       struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+		atomic64_inc(&alg->stats.hash.err_cnt);
+	else
+		atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ahash_update);
+
+void crypto_stats_ahash_final(unsigned int nbytes, int ret,
+			      struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.hash.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.hash.hash_cnt);
+		atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ahash_final);
+
+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)
+		atomic64_inc(&alg->stats.rng.err_cnt);
+	else
+		atomic64_inc(&alg->stats.rng.seed_cnt);
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_rng_seed);
+
+void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen,
+			       int ret)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.rng.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.rng.generate_cnt);
+		atomic64_add(dlen, &alg->stats.rng.generate_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_rng_generate);
+
+void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret,
+				   struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.cipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.cipher.encrypt_cnt);
+		atomic64_add(cryptlen, &alg->stats.cipher.encrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_skcipher_encrypt);
+
+void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret,
+				   struct crypto_alg *alg)
+{
+	if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+		atomic64_inc(&alg->stats.cipher.err_cnt);
+	} else {
+		atomic64_inc(&alg->stats.cipher.decrypt_cnt);
+		atomic64_add(cryptlen, &alg->stats.cipher.decrypt_tlen);
+	}
+	crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt);
+#endif
+
 static int __init crypto_algapi_init(void)
 {
 	crypto_init_proc();