[dpdk-dev] [PATCH v2 06/16] crypto/qat: add legacy gcm and ccm

[Arek Kusztal <arkadiuszx.kusztal@intel.com>]

Add AES-GCM, AES-CCM algorithms in legacy mode.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 drivers/crypto/qat/qat_sym_capabilities.h | 60 +++++++++++++++++++++++
 drivers/crypto/qat/qat_sym_session.c      | 27 +++++-----
 drivers/crypto/qat/qat_sym_session.h      |  3 +-
 3 files changed, 78 insertions(+), 12 deletions(-)

diff --git a/drivers/crypto/qat/qat_sym_capabilities.h b/drivers/crypto/qat/qat_sym_capabilities.h
index aca528b991..fc8e667687 100644
--- a/drivers/crypto/qat/qat_sym_capabilities.h
+++ b/drivers/crypto/qat/qat_sym_capabilities.h
@@ -1084,6 +1084,66 @@
 				}					\
 			}, }						\
 		}, }							\
+	},								\
+	{	/* AES GCM */						\
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,			\
+		{.sym = {						\
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,	\
+			{.aead = {					\
+				.algo = RTE_CRYPTO_AEAD_AES_GCM,	\
+				.block_size = 16,			\
+				.key_size = {				\
+					.min = 16,			\
+					.max = 32,			\
+					.increment = 8			\
+				},					\
+				.digest_size = {			\
+					.min = 8,			\
+					.max = 16,			\
+					.increment = 4			\
+				},					\
+				.aad_size = {				\
+					.min = 0,			\
+					.max = 240,			\
+					.increment = 1			\
+				},					\
+				.iv_size = {				\
+					.min = 0,			\
+					.max = 12,			\
+					.increment = 12			\
+				},					\
+			}, }						\
+		}, }							\
+	},								\
+	{	/* AES CCM */						\
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,			\
+		{.sym = {						\
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,	\
+			{.aead = {					\
+				.algo = RTE_CRYPTO_AEAD_AES_CCM,	\
+				.block_size = 16,			\
+				.key_size = {				\
+					.min = 16,			\
+					.max = 16,			\
+					.increment = 0			\
+				},					\
+				.digest_size = {			\
+					.min = 4,			\
+					.max = 16,			\
+					.increment = 2			\
+				},					\
+				.aad_size = {				\
+					.min = 0,			\
+					.max = 224,			\
+					.increment = 1			\
+				},					\
+				.iv_size = {				\
+					.min = 7,			\
+					.max = 13,			\
+					.increment = 1			\
+				},					\
+			}, }						\
+		}, }							\
 	}								\
 
 
diff --git a/drivers/crypto/qat/qat_sym_session.c b/drivers/crypto/qat/qat_sym_session.c
index 56c85e8435..5140d61a9c 100644
--- a/drivers/crypto/qat/qat_sym_session.c
+++ b/drivers/crypto/qat/qat_sym_session.c
@@ -287,13 +287,8 @@ qat_sym_session_configure_cipher(struct rte_cryptodev *dev,
 			goto error_out;
 		}
 		session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
-		if (qat_dev_gen == QAT_GEN4) {
-			/* TODO: Filter WCP */
-			ICP_QAT_FW_LA_SLICE_TYPE_SET(
-				session->fw_req.comn_hdr.serv_specif_flags,
-				ICP_QAT_FW_LA_USE_UCS_SLICE_TYPE);
+		if (qat_dev_gen == QAT_GEN4)
 			session->is_ucs = 1;
-		}
 		break;
 	case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
 		if (qat_sym_validate_snow3g_key(cipher_xform->key.length,
@@ -918,14 +913,15 @@ qat_sym_session_configure_aead(struct rte_cryptodev *dev,
 		}
 		session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
 		session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_GALOIS_128;
-		if (qat_dev_gen > QAT_GEN2 && aead_xform->iv.length ==
+		if (qat_dev_gen == QAT_GEN3 && aead_xform->iv.length ==
 				QAT_AES_GCM_SPC_IV_SIZE) {
 			return qat_sym_session_handle_single_pass(session,
 					aead_xform);
 		}
 		if (session->cipher_iv.length == 0)
 			session->cipher_iv.length = AES_GCM_J0_LEN;
-
+		if (qat_dev_gen == QAT_GEN4)
+			session->is_ucs = 1;
 		break;
 	case RTE_CRYPTO_AEAD_AES_CCM:
 		if (qat_sym_validate_aes_key(aead_xform->key.length,
@@ -935,6 +931,8 @@ qat_sym_session_configure_aead(struct rte_cryptodev *dev,
 		}
 		session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE;
 		session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC;
+		if (qat_dev_gen == QAT_GEN4)
+			session->is_ucs = 1;
 		break;
 	case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
 		if (aead_xform->key.length != ICP_QAT_HW_CHACHAPOLY_KEY_SZ)
@@ -1469,7 +1467,8 @@ static int qat_sym_do_precomputes(enum icp_qat_hw_auth_algo hash_alg,
 }
 
 static void
-qat_sym_session_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
+qat_sym_session_init_common_hdr(struct qat_sym_session *session,
+		struct icp_qat_fw_comn_req_hdr *header,
 		enum qat_sym_proto_flag proto_flags)
 {
 	header->hdr_flags =
@@ -1510,6 +1509,12 @@ qat_sym_session_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
 					   ICP_QAT_FW_LA_NO_UPDATE_STATE);
 	ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags,
 					ICP_QAT_FW_LA_NO_DIGEST_IN_BUFFER);
+
+	if (session->is_ucs) {
+		ICP_QAT_FW_LA_SLICE_TYPE_SET(
+				session->fw_req.comn_hdr.serv_specif_flags,
+				ICP_QAT_FW_LA_USE_UCS_SLICE_TYPE);
+	}
 }
 
 /*
@@ -1639,7 +1644,7 @@ int qat_sym_cd_cipher_set(struct qat_sym_session *cdesc,
 	cipher_cd_ctrl->cipher_cfg_offset = cipher_offset >> 3;
 
 	header->service_cmd_id = cdesc->qat_cmd;
-	qat_sym_session_init_common_hdr(header, qat_proto_flag);
+	qat_sym_session_init_common_hdr(cdesc, header, qat_proto_flag);
 
 	cipher = (struct icp_qat_hw_cipher_algo_blk *)cdesc->cd_cur_ptr;
 	cipher20 = (struct icp_qat_hw_cipher_algo_blk20 *)cdesc->cd_cur_ptr;
@@ -2032,7 +2037,7 @@ int qat_sym_cd_auth_set(struct qat_sym_session *cdesc,
 	}
 
 	/* Request template setup */
-	qat_sym_session_init_common_hdr(header, qat_proto_flag);
+	qat_sym_session_init_common_hdr(cdesc, header, qat_proto_flag);
 	header->service_cmd_id = cdesc->qat_cmd;
 
 	/* Auth CD config setup */
diff --git a/drivers/crypto/qat/qat_sym_session.h b/drivers/crypto/qat/qat_sym_session.h
index 5d28e5a089..e003a34f7f 100644
--- a/drivers/crypto/qat/qat_sym_session.h
+++ b/drivers/crypto/qat/qat_sym_session.h
@@ -128,7 +128,8 @@ unsigned int
 qat_sym_session_get_private_size(struct rte_cryptodev *dev);
 
 void
-qat_sym_sesssion_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header,
+qat_sym_sesssion_init_common_hdr(struct qat_sym_session *session,
+					struct icp_qat_fw_comn_req_hdr *header,
 					enum qat_sym_proto_flag proto_flags);
 int
 qat_sym_validate_aes_key(int key_len, enum icp_qat_hw_cipher_algo *alg);
-- 
2.30.2