cryptodev: add asymmetric session-less

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

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
Acked-by: Anoob Joseph <anoobj@marvell.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/doc/guides/cryptodevs/features/default.ini b/doc/guides/cryptodevs/features/default.ini
index d3ee1afa524c818e46cc266341aafe685198a055..b7f9a0a325b171ea2d5ea86235fa22fbe32a9019 100644 (file)
--- a/doc/guides/cryptodevs/features/default.ini
+++ b/doc/guides/cryptodevs/features/default.ini
@@ -26,6 +26,7 @@ OOP LB  In LB  Out     =
 RSA PRIV OP KEY EXP    =
 RSA PRIV OP KEY QT     =
 Digest encrypted       =
+Asymmetric sessionless =
 
 ;
 ; Supported crypto algorithms of a default crypto driver.

diff --git a/doc/guides/prog_guide/cryptodev_lib.rst b/doc/guides/prog_guide/cryptodev_lib.rst
index 971994426ef93cc7b5c63004a62cd9c865f8764f..bf0ee79f8d6309de356800603e397f68cfb7215c 100644 (file)
--- a/doc/guides/prog_guide/cryptodev_lib.rst
+++ b/doc/guides/prog_guide/cryptodev_lib.rst
@@ -876,7 +876,15 @@ private asymmetric session data. Once this is done, session should be freed usin
 
 Asymmetric Sessionless Support
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Currently asymmetric crypto framework does not support sessionless.
+
+Asymmetric crypto framework supports session-less operations as well.
+
+Fields that should be set by user are:
+
+Member xform of struct rte_crypto_asym_op should point to the user created rte_crypto_asym_xform.
+Note that rte_crypto_asym_xform should be immutable for the lifetime of associated crypto_op.
+
+Member sess_type of rte_crypto_op should also be set to RTE_CRYPTO_OP_SESSIONLESS.
 
 Transforms and Transform Chaining
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index fcf5c72c8e9da48becbccfd88aeac8f2dad47031..af943039ecf783c59200098366e85a5c59d6f4f8 100644 (file)
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -91,6 +91,11 @@ New Features
   * Added support for protocol extraction on per Rx queue.
   * Added support for the ``RTE_ETH_DEV_CLOSE_REMOVE`` flag.
 
+* **Added cryptodev asymmetric session-less operation.**
+
+  Added session-less option to cryptodev asymmetric structure. It works the same
+  way as symmetric crypto, corresponding xform is used directly by the crypto op.
+
 * **Added Marvell NITROX symmetric crypto PMD.**
 
   Added a symmetric crypto PMD for Marvell NITROX V security processor.

diff --git a/lib/librte_cryptodev/rte_crypto_asym.h b/lib/librte_cryptodev/rte_crypto_asym.h
index 4fbef2f89393cc5e3df9d740b387a94e57f80a80..0d34ce8dfdd9e0badd80adacd31e7d8c29d44e42 100644 (file)
--- 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 e175b838c71a2d9c6eac9226cb853d66eb3eff0d..c6ffa3b35ff151f0d8861f6ab53ff2e93c9ef583 100644 (file)
--- 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 */
 
 
 /**