crypto/ccp: support sessionless ops

Signed-off-by: Ravi Kumar <ravi1.kumar@amd.com>

diff --git a/drivers/crypto/ccp/rte_ccp_pmd.c b/drivers/crypto/ccp/rte_ccp_pmd.c
index 7454279..d3553db 100644 (file)
--- a/drivers/crypto/ccp/rte_ccp_pmd.c
+++ b/drivers/crypto/ccp/rte_ccp_pmd.c
@@ -23,7 +23,7 @@ static unsigned int ccp_pmd_init_done;
 uint8_t ccp_cryptodev_driver_id;
 
 static struct ccp_session *
-get_ccp_session(struct ccp_qp *qp __rte_unused, struct rte_crypto_op *op)
+get_ccp_session(struct ccp_qp *qp, struct rte_crypto_op *op)
 {
        struct ccp_session *sess = NULL;
 
@@ -35,6 +35,27 @@ get_ccp_session(struct ccp_qp *qp __rte_unused, struct rte_crypto_op *op)
                        get_session_private_data(
                                op->sym->session,
                                ccp_cryptodev_driver_id);
+       } else if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+               void *_sess;
+               void *_sess_private_data = NULL;
+
+               if (rte_mempool_get(qp->sess_mp, &_sess))
+                       return NULL;
+               if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+                       return NULL;
+
+               sess = (struct ccp_session *)_sess_private_data;
+
+               if (unlikely(ccp_set_session_parameters(sess,
+                                                       op->sym->xform) != 0)) {
+                       rte_mempool_put(qp->sess_mp, _sess);
+                       rte_mempool_put(qp->sess_mp, _sess_private_data);
+                       sess = NULL;
+               }
+               op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+               set_session_private_data(op->sym->session,
+                                        ccp_cryptodev_driver_id,
+                                        _sess_private_data);
        }
 
        return sess;
@@ -82,10 +103,18 @@ ccp_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
                uint16_t nb_ops)
 {
        struct ccp_qp *qp = queue_pair;
-       uint16_t nb_dequeued = 0;
+       uint16_t nb_dequeued = 0, i;
 
        nb_dequeued = process_ops_to_dequeue(qp, ops, nb_ops);
 
+       /* Free session if a session-less crypto op */
+       for (i = 0; i < nb_dequeued; i++)
+               if (unlikely(ops[i]->sess_type ==
+                            RTE_CRYPTO_OP_SESSIONLESS)) {
+                       rte_mempool_put(qp->sess_mp,
+                                       ops[i]->sym->session);
+                       ops[i]->sym->session = NULL;
+               }
        qp->qp_stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;