[dpdk-dev,v3,03/12] cryptodev: add private session size retrieval function
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Commit Message
From: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Provide a function to get the private session size
of any crypto device (specifically, to its crypto driver).
This will be useful once the session mempool is created
outside the library.
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
---
lib/librte_cryptodev/rte_cryptodev.c | 20 ++++++++++++++++++++
lib/librte_cryptodev/rte_cryptodev.h | 12 ++++++++++++
lib/librte_cryptodev/rte_cryptodev_version.map | 1 +
3 files changed, 33 insertions(+)
@@ -1217,6 +1217,26 @@ rte_cryptodev_sym_session_free(uint8_t dev_id,
return NULL;
}
+unsigned int
+rte_cryptodev_get_private_session_size(uint8_t dev_id)
+{
+ struct rte_cryptodev *dev;
+ unsigned int priv_sess_size;
+
+ if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
+ return 0;
+
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+ if (*dev->dev_ops->session_get_size == NULL)
+ return 0;
+
+ priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
+
+ return priv_sess_size;
+
+}
+
/** Initialise rte_crypto_op mempool element */
static void
rte_crypto_op_init(struct rte_mempool *mempool,
@@ -856,6 +856,18 @@ rte_cryptodev_sym_session_free(uint8_t dev_id,
struct rte_cryptodev_sym_session *session);
/**
+ * Get the size of the private session data for a device.
+ *
+ * @param dev_id The device identifier.
+ *
+ * @return
+ * - Size of the private data, if successful
+ * - 0 if device is invalid or does not have private session
+ */
+unsigned int
+rte_cryptodev_get_private_session_size(uint8_t dev_id);
+
+/**
* Attach queue pair with sym session.
*
* @param qp_id Queue pair to which session will be attached.
@@ -65,6 +65,7 @@ DPDK_17.08 {
rte_cryptodev_device_count_by_driver;
rte_cryptodev_driver_id_get;
rte_cryptodev_driver_name_get;
+ rte_cryptodev_get_private_session_size;
rte_cryptodev_pci_generic_probe;
rte_cryptodev_pci_generic_remove;
rte_cryptodev_vdev_parse_init_params;