[3/6] crypto/octeontx2: add asymmetric session operations
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Commit Message
From: Kanaka Durga Kotamarthy <kkotamarthy@marvell.com>
This patch adds asymmetric session setup and free routines.
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Kanaka Durga Kotamarthy <kkotamarthy@marvell.com>
Signed-off-by: Sunila Sahu <ssahu@marvell.com>
---
drivers/crypto/octeontx2/otx2_cryptodev.c | 3 +-
drivers/crypto/octeontx2/otx2_cryptodev_ops.c | 67 +++++++++++++++++++++++++++
2 files changed, 69 insertions(+), 1 deletion(-)
@@ -103,7 +103,8 @@ otx2_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
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_ASYMMETRIC_CRYPTO;
+ RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
return 0;
@@ -11,6 +11,7 @@
#include "cpt_pmd_logs.h"
#include "cpt_pmd_ops_helper.h"
#include "cpt_ucode.h"
+#include "cpt_ucode_asym.h"
#include "otx2_cryptodev.h"
#include "otx2_cryptodev_capabilities.h"
@@ -833,6 +834,66 @@ 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,
@@ -851,4 +912,10 @@ 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,
+
};