cryptodev: support device independent sessions
[dpdk.git] / drivers / crypto / zuc / rte_zuc_pmd.c
index 951f1f4..664c58f 100644 (file)
@@ -162,23 +162,40 @@ zuc_set_session_parameters(struct zuc_session *sess,
 static struct zuc_session *
 zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op)
 {
-       struct zuc_session *sess;
+       struct zuc_session *sess = NULL;
 
        if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
-               sess = (struct zuc_session *)op->sym->session->_private;
-       } else  {
-               struct rte_cryptodev_sym_session *c_sess = NULL;
+               if (likely(op->sym->session != NULL))
+                       sess = (struct zuc_session *)get_session_private_data(
+                                       op->sym->session,
+                                       cryptodev_driver_id);
+       } else {
+               void *_sess = NULL;
+               void *_sess_private_data = NULL;
+
+               if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+                       return NULL;
 
-               if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+               if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
                        return NULL;
 
-               sess = (struct zuc_session *)c_sess->_private;
+               sess = (struct zuc_session *)_sess_private_data;
 
                if (unlikely(zuc_set_session_parameters(sess,
-                               op->sym->xform) != 0))
-                       return NULL;
+                               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, cryptodev_driver_id,
+                       _sess_private_data);
        }
 
+       if (unlikely(sess == NULL))
+               op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
+
        return sess;
 }
 
@@ -337,6 +354,10 @@ process_ops(struct rte_crypto_op **ops, struct zuc_session *session,
                        ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
                /* Free session if a session-less crypto op. */
                if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+                       memset(session, 0, sizeof(struct zuc_session));
+                       memset(ops[i]->sym->session, 0,
+                                       rte_cryptodev_get_header_session_size());
+                       rte_mempool_put(qp->sess_mp, session);
                        rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
                        ops[i]->sym->session = NULL;
                }