cryptodev: add API to associate session with queue pair

[dpdk.git] / lib / librte_cryptodev / rte_cryptodev.h

diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index d61a43e..f5fba13 100644 (file)
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -332,6 +332,10 @@ struct rte_cryptodev_info {
        struct {
                unsigned max_nb_sessions;
                /**< Maximum number of sessions supported by device. */
+               unsigned int max_nb_sessions_per_qp;
+               /**< Maximum number of sessions per queue pair.
+                * Default 0 for infinite sessions
+                */
        } sym;
 };
 
@@ -915,6 +919,36 @@ extern struct rte_cryptodev_sym_session *
 rte_cryptodev_sym_session_free(uint8_t dev_id,
                struct rte_cryptodev_sym_session *session);
 
+/**
+ * Attach queue pair with sym session.
+ *
+ * @param      qp_id           Queue pair to which session will be attached.
+ * @param      session         Session pointer previously allocated by
+ *                             *rte_cryptodev_sym_session_create*.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+int
+rte_cryptodev_queue_pair_attach_sym_session(uint16_t qp_id,
+               struct rte_cryptodev_sym_session *session);
+
+/**
+ * Detach queue pair with sym session.
+ *
+ * @param      qp_id           Queue pair to which session is attached.
+ * @param      session         Session pointer previously allocated by
+ *                             *rte_cryptodev_sym_session_create*.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+int
+rte_cryptodev_queue_pair_detach_sym_session(uint16_t qp_id,
+               struct rte_cryptodev_sym_session *session);
+
 
 #ifdef __cplusplus
 }