cryptodev: clarify when session can be cleared

Session data can only be cleared once there are no
inflight operations using the session. It is the application's
responsability to make sure of this.

Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 2fb6563..eb6c66f 100644 (file)
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -952,7 +952,9 @@ rte_cryptodev_sym_session_init(uint8_t dev_id,
 
 /**
  * Frees private data for the device id, based on its device type,
- * returning it to its mempool.
+ * returning it to its mempool. It is the application's responsibility
+ * to ensure that private session data is not cleared while there are
+ * still in-flight operations using it.
  *
  * @param   dev_id   ID of device that uses the session.
  * @param   sess     Session containing the reference to the private data