[dpdk-dev] [PATCH v2] cryptodev: extend api of asymmetric crypto by sessionless

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

This commit adds asymmetric session-less option to
rte_crypto_asym_op. Feature flag for sessionless is added
to rte_cryptodev.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 lib/librte_cryptodev/rte_crypto_asym.h | 9 +++++++--
 lib/librte_cryptodev/rte_cryptodev.h   | 2 ++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/librte_cryptodev/rte_crypto_asym.h b/lib/librte_cryptodev/rte_crypto_asym.h
index 4fbef2f..0d34ce8 100644
--- a/lib/librte_cryptodev/rte_crypto_asym.h
+++ b/lib/librte_cryptodev/rte_crypto_asym.h
@@ -522,8 +522,13 @@ struct rte_crypto_dsa_op_param {
  *
  */
 struct rte_crypto_asym_op {
-	struct rte_cryptodev_asym_session *session;
-	/**< Handle for the initialised session context */
+	RTE_STD_C11
+	union {
+		struct rte_cryptodev_asym_session *session;
+		/**< Handle for the initialised session context */
+		struct rte_crypto_asym_xform *xform;
+		/**< Session-less API crypto operation parameters */
+	};
 
 	__extension__
 	union {
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index e175b83..c6ffa3b 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -448,6 +448,8 @@ rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
 /**< Support RSA Private Key OP with CRT (quintuple) Keys */
 #define RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED		(1ULL << 19)
 /**< Support encrypted-digest operations where digest is appended to data */
+#define RTE_CRYPTODEV_FF_ASYM_SESSIONLESS		(1ULL << 20)
+/**< Support asymmetric session-less operations */
 
 
 /**
-- 
2.1.0