[PATCH 2/2] crypto/qat: fix thread-safety issue in the crc

[Arkadiusz Kusztal]

This patch fixes CRC thread-safety issue in the QAT PMD.

Signed-off-by: Arkadiusz Kusztal <arkadiuszx.kusztal at intel.com>
---
 drivers/crypto/qat/qat_sym.h         | 3 +--
 drivers/crypto/qat/qat_sym_session.c | 3 +++
 drivers/crypto/qat/qat_sym_session.h | 2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/qat/qat_sym.h b/drivers/crypto/qat/qat_sym.h
index eedf5de755..8db6044390 100644
--- a/drivers/crypto/qat/qat_sym.h
+++ b/drivers/crypto/qat/qat_sym.h
@@ -291,8 +291,7 @@ qat_crc_generate(struct qat_sym_session *ctx,
 		crc_data = rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
 				sym_op->auth.data.offset);
 		crc = (uint32_t *)(crc_data + crc_data_len);
-		*crc = rte_net_crc_calc(crc_data, crc_data_len,
-				RTE_NET_CRC32_ETH);
+		*crc = rte_net_crc(&ctx->crc, crc_data, crc_data_len);
 	}
 }
 
diff --git a/drivers/crypto/qat/qat_sym_session.c b/drivers/crypto/qat/qat_sym_session.c
index eb267db424..828466edea 100644
--- a/drivers/crypto/qat/qat_sym_session.c
+++ b/drivers/crypto/qat/qat_sym_session.c
@@ -3176,6 +3176,9 @@ qat_sec_session_set_docsis_parameters(struct rte_cryptodev *dev,
 		ret = qat_sym_session_configure_crc(dev, xform, session);
 		if (ret < 0)
 			return ret;
+	} else {
+		/* Initialize crc algorithm */
+		session->crc = rte_net_crc_set(RTE_NET_CRC32_ETH, RTE_NET_CRC_AVX512);
 	}
 	qat_sym_session_finalize(session);
 
diff --git a/drivers/crypto/qat/qat_sym_session.h b/drivers/crypto/qat/qat_sym_session.h
index f2634774ec..680ac9126c 100644
--- a/drivers/crypto/qat/qat_sym_session.h
+++ b/drivers/crypto/qat/qat_sym_session.h
@@ -7,6 +7,7 @@
 #include <rte_crypto.h>
 #include <cryptodev_pmd.h>
 #include <rte_security.h>
+#include <rte_net_crc.h>
 
 #include "qat_common.h"
 #include "icp_qat_hw.h"
@@ -150,6 +151,7 @@ struct qat_sym_session {
 	uint8_t is_wireless;
 	uint32_t slice_types;
 	enum qat_sym_proto_flag qat_proto_flag;
+	struct rte_net_crc crc;
 	qat_sym_build_request_t build_request[2];
 #ifndef RTE_QAT_OPENSSL
 	IMB_MGR *mb_mgr;
-- 
2.13.6