[dpdk-dev] [PATCH v2 1/2] crypto/qat: add NULL capability to Intel QAT driver

[Deepak Kumar Jain]

From: Deepak Kumar JAIN <deepak.k.jain at intel.com>

enabled NULL crypto for Intel(R) QuickAssist Technology

Signed-off-by: Deepak Kumar Jain <deepak.k.jain at intel.com>
---
 doc/guides/cryptodevs/qat.rst                    | 3 ++-
 doc/guides/rel_notes/release_16_11.rst           | 1 +
 drivers/crypto/qat/qat_adf/qat_algs_build_desc.c | 2 ++
 drivers/crypto/qat/qat_crypto.c                  | 4 ++++
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst
index 78a734f..bb62f22 100644
--- a/doc/guides/cryptodevs/qat.rst
+++ b/doc/guides/cryptodevs/qat.rst
@@ -49,6 +49,7 @@ Cipher algorithms:
 * ``RTE_CRYPTO_SYM_CIPHER_AES256_CTR``
 * ``RTE_CRYPTO_SYM_CIPHER_SNOW3G_UEA2``
 * ``RTE_CRYPTO_CIPHER_AES_GCM``
+* ``RTE_CRYPTO_CIPHER_NULL``
 
 Hash algorithms:
 
@@ -60,7 +61,7 @@ Hash algorithms:
 * ``RTE_CRYPTO_AUTH_AES_XCBC_MAC``
 * ``RTE_CRYPTO_AUTH_SNOW3G_UIA2``
 * ``RTE_CRYPTO_AUTH_MD5_HMAC``
-
+* ``RTE_CRYPTO_AUTH_NULL``
 
 Limitations
 -----------
diff --git a/doc/guides/rel_notes/release_16_11.rst b/doc/guides/rel_notes/release_16_11.rst
index 9b2f102..9b2c775 100644
--- a/doc/guides/rel_notes/release_16_11.rst
+++ b/doc/guides/rel_notes/release_16_11.rst
@@ -42,6 +42,7 @@ New Features
   * Added support for MD5_HMAC algorithm.
   * Added support for SHA224-HMAC algorithm.
   * Added support for SHA384-HMAC algorithm.
+  * Added support for NULL algorithm.
 
 
 Resolved Issues
diff --git a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
index af8c176..d9437bc 100644
--- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
+++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
@@ -720,6 +720,8 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
 		}
 		state2_size = ICP_QAT_HW_MD5_STATE2_SZ;
 		break;
+	case ICP_QAT_HW_AUTH_ALGO_NULL:
+		break;
 	default:
 		PMD_DRV_LOG(ERR, "Invalid HASH alg %u", cdesc->qat_hash_alg);
 		return -EFAULT;
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index 60e2ba2..be2b9be 100644
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -469,6 +469,8 @@ qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev,
 		session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
 		break;
 	case RTE_CRYPTO_CIPHER_NULL:
+		session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE;
+		break;
 	case RTE_CRYPTO_CIPHER_3DES_ECB:
 	case RTE_CRYPTO_CIPHER_3DES_CBC:
 	case RTE_CRYPTO_CIPHER_AES_ECB:
@@ -600,6 +602,8 @@ qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev,
 		session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_MD5;
 		break;
 	case RTE_CRYPTO_AUTH_NULL:
+		session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_NULL;
+		break;
 	case RTE_CRYPTO_AUTH_SHA1:
 	case RTE_CRYPTO_AUTH_SHA256:
 	case RTE_CRYPTO_AUTH_SHA512:
-- 
2.5.5