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From: Ravi Kumar <Ravi1.kumar@amd.com>
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Date: Fri, 9 Mar 2018 03:35:07 -0500
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Subject: [dpdk-dev] [PATCH v4 07/20] crypto/ccp: support sessionless
operations
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Signed-off-by: Ravi Kumar <Ravi1.kumar@amd.com>
---
drivers/crypto/ccp/rte_ccp_pmd.c | 33 +++++++++++++++++++++++++++++++--
1 file changed, 31 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/ccp/rte_ccp_pmd.c b/drivers/crypto/ccp/rte_ccp_pmd.c
index ed6ca5d..23d3af3 100644
--- a/drivers/crypto/ccp/rte_ccp_pmd.c
+++ b/drivers/crypto/ccp/rte_ccp_pmd.c
@@ -49,7 +49,7 @@ 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;
@@ -61,6 +61,27 @@ 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;
@@ -108,10 +129,18 @@ 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;
--
2.7.4