From: Kanaka Durga Kotamarthy <kkotamar...@marvell.com>
This patch adds asymmetric session setup and free routines. RSA and
modexp operations are supported.
Signed-off-by: Anoob Joseph <ano...@marvell.com>
Signed-off-by: Kanaka Durga Kotamarthy <kkotamar...@marvell.com>
Signed-off-by: Sunila Sahu <ss...@marvell.com>
---
doc/guides/cryptodevs/features/octeontx2.ini | 4 ++
doc/guides/cryptodevs/octeontx2.rst | 6 ++
drivers/crypto/octeontx2/otx2_cryptodev.c | 4 +-
.../crypto/octeontx2/otx2_cryptodev_capabilities.c | 39 ++++++++++++-
drivers/crypto/octeontx2/otx2_cryptodev_ops.c | 67 ++++++++++++++++++++++
5 files changed, 117 insertions(+), 3 deletions(-)
diff --git a/doc/guides/cryptodevs/features/octeontx2.ini
b/doc/guides/cryptodevs/features/octeontx2.ini
index 4e82463..7d07053 100644
--- a/doc/guides/cryptodevs/features/octeontx2.ini
+++ b/doc/guides/cryptodevs/features/octeontx2.ini
@@ -5,11 +5,13 @@
;
[Features]
Symmetric crypto = Y
+Asymmetric crypto = Y
Sym operation chaining = Y
HW Accelerated = Y
In Place SGL = Y
OOP SGL In LB Out = Y
OOP SGL In SGL Out = Y
+RSA PRIV OP KEY QT = Y
;
; Supported crypto algorithms of 'octeontx2' crypto driver.
@@ -65,3 +67,5 @@ AES GCM (256) = Y
; Supported Asymmetric algorithms of the 'octeontx2' crypto driver.
;
[Asymmetric]
+RSA = Y
+Modular Exponentiation = Y
diff --git a/doc/guides/cryptodevs/octeontx2.rst
b/doc/guides/cryptodevs/octeontx2.rst
index 406d746..ad33c66 100644
--- a/doc/guides/cryptodevs/octeontx2.rst
+++ b/doc/guides/cryptodevs/octeontx2.rst
@@ -56,6 +56,12 @@ AEAD algorithms:
* ``RTE_CRYPTO_AEAD_AES_GCM``
+Asymmetric Crypto Algorithms
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* ``RTE_CRYPTO_ASYM_XFORM_RSA``
+* ``RTE_CRYPTO_ASYM_XFORM_MODEX``
+
Installation
------------
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev.c
b/drivers/crypto/octeontx2/otx2_cryptodev.c
index 32c0b48..7fd216b 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev.c
@@ -99,7 +99,9 @@ otx2_cpt_pci_probe(struct rte_pci_driver *pci_drv
__rte_unused,
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
RTE_CRYPTODEV_FF_IN_PLACE_SGL |
RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
- RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
+ RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
return 0;
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_capabilities.c
b/drivers/crypto/octeontx2/otx2_cryptodev_capabilities.c
index 3a70470..b9e3fe3 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_capabilities.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_capabilities.c
@@ -6,7 +6,8 @@
#include "otx2_cryptodev_capabilities.h"
-static const struct rte_cryptodev_capabilities otx2_cpt_sym_capabilities[] = {
+static const struct
+rte_cryptodev_capabilities otx2_cpt_capabilities[] = {
/* Symmetric capabilities */
{ /* NULL (AUTH) */
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
@@ -594,11 +595,45 @@ static const struct rte_cryptodev_capabilities
otx2_cpt_sym_capabilities[] = {
}, }
},
/* End of symmetric capabilities */
+
+ /* Asymmetric capabilities */
+ { /* RSA */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_RSA,
+ .op_types = ((1 << RTE_CRYPTO_ASYM_OP_SIGN) |
+ (1 << RTE_CRYPTO_ASYM_OP_VERIFY) |
+ (1 << RTE_CRYPTO_ASYM_OP_ENCRYPT) |
+ (1 << RTE_CRYPTO_ASYM_OP_DECRYPT)),
+ {.modlen = {
+ .min = 17,
+ .max = 1024,
+ .increment = 1
+ }, }
+ }
+ }, }
+ },
+ { /* MOD_EXP */
+ .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
+ {.asym = {
+ .xform_capa = {
+ .xform_type = RTE_CRYPTO_ASYM_XFORM_MODEX,
+ .op_types = 0,
+ {.modlen = {
+ .min = 17,
+ .max = 1024,
+ .increment = 1
+ }, }
+ }
+ }, }
+ },
+ /* End of asymmetric capabilities */
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
const struct rte_cryptodev_capabilities *
otx2_cpt_capabilities_get(void)
{
- return otx2_cpt_sym_capabilities;
+ return otx2_cpt_capabilities;
}
diff --git a/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
b/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
index 1d35379..fbca4dc 100644
--- a/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
+++ b/drivers/crypto/octeontx2/otx2_cryptodev_ops.c
@@ -18,6 +18,7 @@
#include "cpt_pmd_logs.h"
#include "cpt_pmd_ops_helper.h"
#include "cpt_ucode.h"
+#include "cpt_ucode_asym.h"
#define METABUF_POOL_CACHE_SIZE 512
@@ -835,6 +836,66 @@ otx2_cpt_sym_session_clear(struct rte_cryptodev *dev,
return sym_session_clear(dev->driver_id, sess);
}
+static unsigned int
+otx2_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct cpt_asym_sess_misc);
+}
+
+static int
+otx2_cpt_asym_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform,
+ struct rte_cryptodev_asym_session *sess,
+ struct rte_mempool *pool)
+{
+ struct cpt_asym_sess_misc *priv;
+ int ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (rte_mempool_get(pool, (void **)&priv)) {
+ CPT_LOG_ERR("Could not allocate session_private_data");
+ return -ENOMEM;
+ }
+
+ memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
+
+ ret = cpt_fill_asym_session_parameters(priv, xform);
+ if (ret) {
+ CPT_LOG_ERR("Could not configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(pool, priv);
+ return ret;
+ }
+
+ set_asym_session_private_data(sess, dev->driver_id, priv);
+ return 0;
+}
+
+static void
+otx2_cpt_asym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess)
+{
+ struct cpt_asym_sess_misc *priv;
+ struct rte_mempool *sess_mp;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ priv = get_asym_session_private_data(sess, dev->driver_id);
+ if (priv == NULL)
+ return;
+
+ /* Free resources allocated in session_cfg */
+ cpt_free_asym_session_parameters(priv);
+
+ /* Reset and free object back to pool */
+ memset(priv, 0, otx2_cpt_asym_session_size_get(dev));
+ sess_mp = rte_mempool_from_obj(priv);
+ set_asym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, priv);
+}
+
struct rte_cryptodev_ops otx2_cpt_ops = {
/* Device control ops */
.dev_configure = otx2_cpt_dev_config,
@@ -853,4 +914,10 @@ struct rte_cryptodev_ops otx2_cpt_ops = {
.sym_session_get_size = otx2_cpt_sym_session_get_size,
.sym_session_configure = otx2_cpt_sym_session_configure,
.sym_session_clear = otx2_cpt_sym_session_clear,
+
+ /* Asymmetric crypto ops */
+ .asym_session_get_size = otx2_cpt_asym_session_size_get,
+ .asym_session_configure = otx2_cpt_asym_session_cfg,
+ .asym_session_clear = otx2_cpt_asym_session_clear,
+
};
--
2.7.4
