cryptodev: introduce CPU crypto API

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

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index ab4b231..6d1d0e9 100644 (file)
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2017 Intel Corporation
+ * Copyright(c) 2015-2020 Intel Corporation
  */
 
 #include <sys/types.h>
@@ -493,6 +493,8 @@ rte_cryptodev_get_feature_name(uint64_t flag)
                return "RSA_PRIV_OP_KEY_QT";
        case RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED:
                return "DIGEST_ENCRYPTED";
+       case RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO:
+               return "SYM_CPU_CRYPTO";
        default:
                return NULL;
        }
@@ -1618,6 +1620,37 @@ rte_cryptodev_sym_session_get_user_data(
        return (void *)(sess->sess_data + sess->nb_drivers);
 }
 
+static inline void
+sym_crypto_fill_status(struct rte_crypto_sym_vec *vec, int32_t errnum)
+{
+       uint32_t i;
+       for (i = 0; i < vec->num; i++)
+               vec->status[i] = errnum;
+}
+
+uint32_t
+rte_cryptodev_sym_cpu_crypto_process(uint8_t dev_id,
+       struct rte_cryptodev_sym_session *sess, union rte_crypto_sym_ofs ofs,
+       struct rte_crypto_sym_vec *vec)
+{
+       struct rte_cryptodev *dev;
+
+       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+               sym_crypto_fill_status(vec, EINVAL);
+               return 0;
+       }
+
+       dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+       if (*dev->dev_ops->sym_cpu_process == NULL ||
+               !(dev->feature_flags & RTE_CRYPTODEV_FF_SYM_CPU_CRYPTO)) {
+               sym_crypto_fill_status(vec, ENOTSUP);
+               return 0;
+       }
+
+       return dev->dev_ops->sym_cpu_process(dev, sess, ofs, vec);
+}
+
 /** Initialise rte_crypto_op mempool element */
 static void
 rte_crypto_op_init(struct rte_mempool *mempool,