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authorLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 11:59:50 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 12:00:19 +0000
commit8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch)
tree208e3bc33c220854d89d010e3abf720a2e62e546 /examples/ip_pipeline/cryptodev.c
parentb63264c8342e6a1b6971c79550d2af2024b6a4de (diff)
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'examples/ip_pipeline/cryptodev.c')
-rw-r--r--examples/ip_pipeline/cryptodev.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/examples/ip_pipeline/cryptodev.c b/examples/ip_pipeline/cryptodev.c
new file mode 100644
index 00000000..c4ba72be
--- /dev/null
+++ b/examples/ip_pipeline/cryptodev.c
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_string_fns.h>
+
+#include "cryptodev.h"
+
+static struct cryptodev_list cryptodev_list;
+
+int
+cryptodev_init(void)
+{
+ TAILQ_INIT(&cryptodev_list);
+
+ return 0;
+}
+
+struct cryptodev *
+cryptodev_find(const char *name)
+{
+ struct cryptodev *cryptodev;
+
+ if (name == NULL)
+ return NULL;
+
+ TAILQ_FOREACH(cryptodev, &cryptodev_list, node)
+ if (strcmp(cryptodev->name, name) == 0)
+ return cryptodev;
+
+ return NULL;
+}
+
+struct cryptodev *
+cryptodev_next(struct cryptodev *cryptodev)
+{
+ return (cryptodev == NULL) ?
+ TAILQ_FIRST(&cryptodev_list) :
+ TAILQ_NEXT(cryptodev, node);
+}
+
+struct cryptodev *
+cryptodev_create(const char *name, struct cryptodev_params *params)
+{
+ struct rte_cryptodev_info dev_info;
+ struct rte_cryptodev_config dev_conf;
+ struct rte_cryptodev_qp_conf queue_conf;
+ struct cryptodev *cryptodev;
+ uint32_t dev_id, i;
+ uint32_t socket_id;
+ int status;
+
+ /* Check input params */
+ if ((name == NULL) ||
+ cryptodev_find(name) ||
+ (params->n_queues == 0) ||
+ (params->queue_size == 0))
+ return NULL;
+
+ if (params->dev_name) {
+ status = rte_cryptodev_get_dev_id(params->dev_name);
+ if (status == -1)
+ return NULL;
+
+ dev_id = (uint32_t)status;
+ } else {
+ if (rte_cryptodev_pmd_is_valid_dev(params->dev_id) == 0)
+ return NULL;
+
+ dev_id = params->dev_id;
+ }
+
+ socket_id = rte_cryptodev_socket_id(dev_id);
+ rte_cryptodev_info_get(dev_id, &dev_info);
+
+ if (dev_info.max_nb_queue_pairs < params->n_queues)
+ return NULL;
+ if (dev_info.feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED)
+ return NULL;
+
+ dev_conf.socket_id = socket_id;
+ dev_conf.nb_queue_pairs = params->n_queues;
+
+ status = rte_cryptodev_configure(dev_id, &dev_conf);
+ if (status < 0)
+ return NULL;
+
+ queue_conf.nb_descriptors = params->queue_size;
+ for (i = 0; i < params->n_queues; i++) {
+ status = rte_cryptodev_queue_pair_setup(dev_id, i,
+ &queue_conf, socket_id, NULL);
+ if (status < 0)
+ return NULL;
+ }
+
+ if (rte_cryptodev_start(dev_id) < 0)
+ return NULL;
+
+ cryptodev = calloc(1, sizeof(struct cryptodev));
+ if (cryptodev == NULL) {
+ rte_cryptodev_stop(dev_id);
+ return NULL;
+ }
+
+ strlcpy(cryptodev->name, name, sizeof(cryptodev->name));
+ cryptodev->dev_id = dev_id;
+ cryptodev->n_queues = params->n_queues;
+
+ TAILQ_INSERT_TAIL(&cryptodev_list, cryptodev, node);
+
+ return cryptodev;
+}