Imported Upstream version 17.05
[deb_dpdk.git] / drivers / crypto / null / null_crypto_pmd.c
index c69606b..023450a 100644 (file)
 
 #include "null_crypto_pmd_private.h"
 
-/**
- * Global static parameter used to create a unique name for each crypto device.
- */
-static unsigned unique_name_id;
-
-static inline int
-create_unique_device_name(char *name, size_t size)
-{
-       int ret;
-
-       if (name == NULL)
-               return -EINVAL;
-
-       ret = snprintf(name, size, "%s_%u", RTE_STR(CRYPTODEV_NAME_NULL_PMD),
-                       unique_name_id++);
-       if (ret < 0)
-               return ret;
-       return 0;
-}
-
-
 /** verify and set session parameters */
 int
 null_crypto_set_session_parameters(
@@ -176,7 +155,7 @@ null_crypto_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
        unsigned nb_dequeued;
 
        nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
-                       (void **)ops, nb_ops);
+                       (void **)ops, nb_ops, NULL);
        qp->qp_stats.dequeued_count += nb_dequeued;
 
        return nb_dequeued;
@@ -190,17 +169,13 @@ cryptodev_null_create(const char *name,
                struct rte_crypto_vdev_init_params *init_params)
 {
        struct rte_cryptodev *dev;
-       char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
        struct null_crypto_private *internals;
 
-       /* create a unique device name */
-       if (create_unique_device_name(crypto_dev_name,
-                       RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
-               NULL_CRYPTO_LOG_ERR("failed to create unique cryptodev name");
-               return -EINVAL;
-       }
+       if (init_params->name[0] == '\0')
+               snprintf(init_params->name, sizeof(init_params->name),
+                               "%s", name);
 
-       dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
+       dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
                        sizeof(struct null_crypto_private),
                        init_params->socket_id);
        if (dev == NULL) {
@@ -216,7 +191,8 @@ cryptodev_null_create(const char *name,
        dev->enqueue_burst = null_crypto_pmd_enqueue_burst;
 
        dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
-                       RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
+                       RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+                       RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
 
        internals = dev->data->dev_private;
 
@@ -226,27 +202,34 @@ cryptodev_null_create(const char *name,
        return 0;
 
 init_error:
-       NULL_CRYPTO_LOG_ERR("driver %s: cryptodev_null_create failed", name);
-       cryptodev_null_remove(crypto_dev_name);
+       NULL_CRYPTO_LOG_ERR("driver %s: cryptodev_null_create failed",
+                       init_params->name);
+       cryptodev_null_remove(init_params->name);
 
        return -EFAULT;
 }
 
 /** Initialise null crypto device */
 static int
-cryptodev_null_probe(const char *name,
-               const char *input_args)
+cryptodev_null_probe(struct rte_vdev_device *dev)
 {
        struct rte_crypto_vdev_init_params init_params = {
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
                RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
-               rte_socket_id()
+               rte_socket_id(),
+               {0}
        };
+       const char *name;
 
-       rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+       name = rte_vdev_device_name(dev);
+       if (name == NULL)
+               return -EINVAL;
 
-       RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
-                       init_params.socket_id);
+       RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n",
+               name, init_params.socket_id);
+       if (init_params.name[0] != '\0')
+               RTE_LOG(INFO, PMD, "  User defined name = %s\n",
+                       init_params.name);
        RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
                        init_params.max_nb_queue_pairs);
        RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
@@ -268,9 +251,15 @@ cryptodev_null_remove(const char *name)
        return 0;
 }
 
+static int
+cryptodev_null_remove_dev(struct rte_vdev_device *dev)
+{
+       return cryptodev_null_remove(rte_vdev_device_name(dev));
+}
+
 static struct rte_vdev_driver cryptodev_null_pmd_drv = {
        .probe = cryptodev_null_probe,
-       .remove = cryptodev_null_remove
+       .remove = cryptodev_null_remove_dev,
 };
 
 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_NULL_PMD, cryptodev_null_pmd_drv);