>
> Hi Akhil,
>
> I will send v4 as I will change a little bit formatting in documentation.
>
> > -----Original Message-----
> > From: Kusztal, ArkadiuszX
> > Sent: Wednesday, October 9, 2019 10:33 AM
> > To: dev@dpdk.org
> > Cc: akhil.go...@nxp.com; Trahe, Fiona <fiona.tr...@intel.com>;
> > shal...@marvell.com; ano...@marvell.com; Kusztal, ArkadiuszX
> > <arkadiuszx.kusz...@intel.com>
> > Subject: [PATCH v3] cryptodev: extend api of asymmetric crypto by
> > sessionless
> >
> > 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.kusz...@intel.com>
> > ---
> > v2:
> > - added union
> > v3:
> > - added entry into feature matrix
> > - added information to prog_guide
> >
> > doc/guides/cryptodevs/features/default.ini | 1 +
> > doc/guides/prog_guide/cryptodev_lib.rst | 8 +++++++-
> > lib/librte_cryptodev/rte_crypto_asym.h | 9 +++++++--
> > lib/librte_cryptodev/rte_cryptodev.h | 2 ++
> > 4 files changed, 17 insertions(+), 3 deletions(-)
> >
> > diff --git a/doc/guides/cryptodevs/features/default.ini
> > b/doc/guides/cryptodevs/features/default.ini
> > index d3ee1af..b7f9a0a 100644
> > --- 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 9719944..9ecb322 100644
> > --- a/doc/guides/prog_guide/cryptodev_lib.rst
> > +++ b/doc/guides/prog_guide/cryptodev_lib.rst
> > @@ -876,7 +876,13 @@ 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 support sessionless operations.
Please re-phrase this section properly as well.
> > +
> > +Fields that should be set by user are:
> > +- rte_crypto_asym_xform *xform member of struct rte_crypto_asym_op
> > +should point to the asymmetric crypto xform. Note that this xform
> > +should be immutable for the lifetime of associated crypto_op.
> > +- uint8_t sess_type member of rte_crypto_op should be set to
> > RTE_CRYPTO_OP_SESSIONLESS.
> >
> > Transforms and Transform Chaining
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > 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
