[PATCH v2] cryptodev: add missing doc

[Anoob Joseph]

Description for rte_cryptodev_get_sec_ctx is missing. Add the same.

Fixes: eadb4fa1e1fe ("cryptodev: support security APIs")

Signed-off-by: Anoob Joseph <anoobj at marvell.com>
---
 lib/cryptodev/rte_cryptodev.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/cryptodev/rte_cryptodev.h b/lib/cryptodev/rte_cryptodev.h
index 9246df90ef..9017a56cd0 100644
--- a/lib/cryptodev/rte_cryptodev.h
+++ b/lib/cryptodev/rte_cryptodev.h
@@ -971,6 +971,15 @@ struct rte_cryptodev_cb_rcu {
 	/**< RCU QSBR variable per queue pair */
 };
 
+/**
+ * Get the security context for the cryptodev.
+ *
+ * @param dev_id
+ *   The device identifier.
+ * @return
+ *   - NULL on error.
+ *   - Pointer to security context on success.
+ */
 void *
 rte_cryptodev_get_sec_ctx(uint8_t dev_id);
 
-- 
2.25.1