diff options
Diffstat (limited to 'crypto/algapi.c')
| -rw-r--r-- | crypto/algapi.c | 310 |
1 files changed, 272 insertions, 38 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index 2545c5f89c4c..4c9c86b55738 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; @@ -500,6 +494,24 @@ out: } EXPORT_SYMBOL_GPL(crypto_register_template); +int crypto_register_templates(struct crypto_template *tmpls, int count) +{ + int i, err; + + for (i = 0; i < count; i++) { + err = crypto_register_template(&tmpls[i]); + if (err) + goto out; + } + return 0; + +out: + for (--i; i >= 0; --i) + crypto_unregister_template(&tmpls[i]); + return err; +} +EXPORT_SYMBOL_GPL(crypto_register_templates); + void crypto_unregister_template(struct crypto_template *tmpl) { struct crypto_instance *inst; @@ -529,6 +541,15 @@ void crypto_unregister_template(struct crypto_template *tmpl) } EXPORT_SYMBOL_GPL(crypto_unregister_template); +void crypto_unregister_templates(struct crypto_template *tmpls, int count) +{ + int i; + + for (i = count - 1; i >= 0; --i) + crypto_unregister_template(&tmpls[i]); +} +EXPORT_SYMBOL_GPL(crypto_unregister_templates); + static struct crypto_template *__crypto_lookup_template(const char *name) { struct crypto_template *q, *tmpl = NULL; @@ -614,6 +635,9 @@ int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg, { int err = -EAGAIN; + if (WARN_ON_ONCE(inst == NULL)) + return -EINVAL; + spawn->inst = inst; spawn->mask = mask; @@ -851,8 +875,8 @@ int crypto_inst_setname(struct crypto_instance *inst, const char *name, } EXPORT_SYMBOL_GPL(crypto_inst_setname); -void *crypto_alloc_instance2(const char *name, struct crypto_alg *alg, - unsigned int head) +void *crypto_alloc_instance(const char *name, struct crypto_alg *alg, + unsigned int head) { struct crypto_instance *inst; char *p; @@ -875,35 +899,6 @@ err_free_inst: kfree(p); return ERR_PTR(err); } -EXPORT_SYMBOL_GPL(crypto_alloc_instance2); - -struct crypto_instance *crypto_alloc_instance(const char *name, - struct crypto_alg *alg) -{ - struct crypto_instance *inst; - struct crypto_spawn *spawn; - int err; - - inst = crypto_alloc_instance2(name, alg, 0); - if (IS_ERR(inst)) - goto out; - - spawn = crypto_instance_ctx(inst); - err = crypto_init_spawn(spawn, alg, inst, - CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); - - if (err) - goto err_free_inst; - - return inst; - -err_free_inst: - kfree(inst); - inst = ERR_PTR(err); - -out: - return inst; -} EXPORT_SYMBOL_GPL(crypto_alloc_instance); void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen) @@ -1076,6 +1071,245 @@ 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(); |