+struct rte_mempool *
+rte_cryptodev_sym_session_pool_create(const char *name, uint32_t nb_elts,
+ uint32_t elt_size, uint32_t cache_size, uint16_t user_data_size,
+ int socket_id)
+{
+ struct rte_mempool *mp;
+ struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
+ uint32_t obj_sz;
+
+ obj_sz = rte_cryptodev_sym_get_header_session_size() + user_data_size;
+ if (obj_sz > elt_size)
+ CDEV_LOG_INFO("elt_size %u is expanded to %u\n", elt_size,
+ obj_sz);
+ else
+ obj_sz = elt_size;
+
+ mp = rte_mempool_create(name, nb_elts, obj_sz, cache_size,
+ (uint32_t)(sizeof(*pool_priv)),
+ NULL, NULL, NULL, NULL,
+ socket_id, 0);
+ if (mp == NULL) {
+ CDEV_LOG_ERR("%s(name=%s) failed, rte_errno=%d\n",
+ __func__, name, rte_errno);
+ return NULL;
+ }
+
+ pool_priv = rte_mempool_get_priv(mp);
+ if (!pool_priv) {
+ CDEV_LOG_ERR("%s(name=%s) failed to get private data\n",
+ __func__, name);
+ rte_mempool_free(mp);
+ return NULL;
+ }
+
+ pool_priv->nb_drivers = nb_drivers;
+ pool_priv->user_data_sz = user_data_size;
+
+ rte_cryptodev_trace_sym_session_pool_create(name, nb_elts,
+ elt_size, cache_size, user_data_size, mp);
+ return mp;
+}
+
+static unsigned int
+rte_cryptodev_sym_session_data_size(struct rte_cryptodev_sym_session *sess)
+{
+ return (sizeof(sess->sess_data[0]) * sess->nb_drivers) +
+ sess->user_data_sz;
+}
+
+static uint8_t
+rte_cryptodev_sym_is_valid_session_pool(struct rte_mempool *mp)
+{
+ struct rte_cryptodev_sym_session_pool_private_data *pool_priv;
+
+ if (!mp)
+ return 0;
+
+ pool_priv = rte_mempool_get_priv(mp);
+
+ if (!pool_priv || mp->private_data_size < sizeof(*pool_priv) ||
+ pool_priv->nb_drivers != nb_drivers ||
+ mp->elt_size <
+ rte_cryptodev_sym_get_header_session_size()
+ + pool_priv->user_data_sz)
+ return 0;
+
+ return 1;
+}
+