diff options
Diffstat (limited to 'include/crypto/aead.h')
| -rw-r--r-- | include/crypto/aead.h | 51 |
1 files changed, 42 insertions, 9 deletions
diff --git a/include/crypto/aead.h b/include/crypto/aead.h index 1e26f790b03f..0d765d7bfb82 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -306,6 +306,34 @@ static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) return __crypto_aead_cast(req->base.tfm); } +static inline void crypto_stat_aead_encrypt(struct aead_request *req, int ret) +{ +#ifdef CONFIG_CRYPTO_STATS + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic_inc(&tfm->base.__crt_alg->aead_err_cnt); + } else { + atomic_inc(&tfm->base.__crt_alg->encrypt_cnt); + atomic64_add(req->cryptlen, &tfm->base.__crt_alg->encrypt_tlen); + } +#endif +} + +static inline void crypto_stat_aead_decrypt(struct aead_request *req, int ret) +{ +#ifdef CONFIG_CRYPTO_STATS + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic_inc(&tfm->base.__crt_alg->aead_err_cnt); + } else { + atomic_inc(&tfm->base.__crt_alg->decrypt_cnt); + atomic64_add(req->cryptlen, &tfm->base.__crt_alg->decrypt_tlen); + } +#endif +} + /** * crypto_aead_encrypt() - encrypt plaintext * @req: reference to the aead_request handle that holds all information @@ -328,11 +356,14 @@ static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) static inline int crypto_aead_encrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); + int ret; if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) - return -ENOKEY; - - return crypto_aead_alg(aead)->encrypt(req); + ret = -ENOKEY; + else + ret = crypto_aead_alg(aead)->encrypt(req); + crypto_stat_aead_encrypt(req, ret); + return ret; } /** @@ -360,14 +391,16 @@ static inline int crypto_aead_encrypt(struct aead_request *req) static inline int crypto_aead_decrypt(struct aead_request *req) { struct crypto_aead *aead = crypto_aead_reqtfm(req); + int ret; if (crypto_aead_get_flags(aead) & CRYPTO_TFM_NEED_KEY) - return -ENOKEY; - - if (req->cryptlen < crypto_aead_authsize(aead)) - return -EINVAL; - - return crypto_aead_alg(aead)->decrypt(req); + ret = -ENOKEY; + else if (req->cryptlen < crypto_aead_authsize(aead)) + ret = -EINVAL; + else + ret = crypto_aead_alg(aead)->decrypt(req); + crypto_stat_aead_decrypt(req, ret); + return ret; } /** |