-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
*/
#include <rte_common.h>
-#include <rte_config.h>
#include <rte_cryptodev_pmd.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
#include <rte_malloc.h>
#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;
-}
-
+static uint8_t cryptodev_driver_id;
/** verify and set session parameters */
int
const struct rte_crypto_sym_xform *xform)
{
if (xform == NULL) {
- return -1;
+ return -EINVAL;
} else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
xform->next == NULL) {
/* Authentication Only */
return 0;
}
- return -1;
+ return -ENOTSUP;
}
/** Process crypto operation for mbuf */
/* set status as successful by default */
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ /* Free session if a session-less crypto op. */
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(op->sym->session, 0,
+ sizeof(struct null_crypto_session));
+ rte_cryptodev_sym_session_free(op->sym->session);
+ op->sym->session = NULL;
+ }
+
/*
* if crypto session and operation are valid just enqueue the packet
* in the processed ring
}
static struct null_crypto_session *
-get_session(struct null_crypto_qp *qp, struct rte_crypto_sym_op *op)
+get_session(struct null_crypto_qp *qp, struct rte_crypto_op *op)
{
- struct null_crypto_session *sess;
-
- if (op->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
- if (unlikely(op->session == NULL ||
- op->session->dev_type != RTE_CRYPTODEV_NULL_PMD))
+ struct null_crypto_session *sess = NULL;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (likely(sym_op->session != NULL))
+ sess = (struct null_crypto_session *)
+ get_session_private_data(
+ sym_op->session, cryptodev_driver_id);
+ } else {
+ void *_sess = NULL;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
return NULL;
- sess = (struct null_crypto_session *)op->session->_private;
- } else {
- struct rte_cryptodev_session *c_sess = NULL;
-
- if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
return NULL;
- sess = (struct null_crypto_session *)c_sess->_private;
-
- if (null_crypto_set_session_parameters(sess, op->xform) != 0)
- return NULL;
+ sess = (struct null_crypto_session *)_sess_private_data;
+
+ if (unlikely(null_crypto_set_session_parameters(sess,
+ sym_op->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
+ sess = NULL;
+ }
+ sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_session_private_data(sym_op->session, cryptodev_driver_id,
+ _sess_private_data);
}
return sess;
int i, retval;
for (i = 0; i < nb_ops; i++) {
- sess = get_session(qp, ops[i]->sym);
+ sess = get_session(qp, ops[i]);
if (unlikely(sess == NULL))
goto enqueue_err;
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;
}
-static int cryptodev_null_remove(const char *name);
-
/** Create crypto device */
static int
cryptodev_null_create(const char *name,
- struct rte_crypto_vdev_init_params *init_params)
+ struct rte_vdev_device *vdev,
+ struct rte_cryptodev_pmd_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;
- }
-
- dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
- sizeof(struct null_crypto_private),
- init_params->socket_id);
+ dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
if (dev == NULL) {
NULL_CRYPTO_LOG_ERR("failed to create cryptodev vdev");
- goto init_error;
+ return -EFAULT;
}
- dev->dev_type = RTE_CRYPTODEV_NULL_PMD;
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = null_crypto_pmd_ops;
/* register rx/tx burst functions for data path */
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;
internals->max_nb_sessions = init_params->max_nb_sessions;
return 0;
-
-init_error:
- NULL_CRYPTO_LOG_ERR("driver %s: cryptodev_null_create failed", name);
- cryptodev_null_remove(crypto_dev_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()
+ struct rte_cryptodev_pmd_init_params init_params = {
+ "",
+ sizeof(struct null_crypto_private),
+ rte_socket_id(),
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS,
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
};
+ const char *name, *args;
+ int retval;
- 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, " Max number of queue pairs = %d\n",
- init_params.max_nb_queue_pairs);
- RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
- init_params.max_nb_sessions);
+ args = rte_vdev_device_args(dev);
+
+ retval = rte_cryptodev_pmd_parse_input_args(&init_params, args);
+ if (retval) {
+ RTE_LOG(ERR, PMD,
+ "Failed to parse initialisation arguments[%s]\n", args);
+ return -EINVAL;
+ }
- return cryptodev_null_create(name, &init_params);
+ return cryptodev_null_create(name, dev, &init_params);
}
-/** Uninitialise null crypto device */
static int
-cryptodev_null_remove(const char *name)
+cryptodev_null_remove_dev(struct rte_vdev_device *vdev)
{
+ struct rte_cryptodev *cryptodev;
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
- RTE_LOG(INFO, PMD, "Closing null crypto device %s on numa socket %u\n",
- name, rte_socket_id());
+ cryptodev = rte_cryptodev_pmd_get_named_dev(name);
+ if (cryptodev == NULL)
+ return -ENODEV;
- return 0;
+ return rte_cryptodev_pmd_destroy(cryptodev);
}
static struct rte_vdev_driver cryptodev_null_pmd_drv = {
.probe = cryptodev_null_probe,
- .remove = cryptodev_null_remove
+ .remove = cryptodev_null_remove_dev,
};
+static struct cryptodev_driver null_crypto_drv;
+
RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_NULL_PMD, cryptodev_null_pmd_drv);
RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_NULL_PMD, cryptodev_null_pmd);
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_NULL_PMD,
"max_nb_queue_pairs=<int> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(null_crypto_drv, cryptodev_null_pmd_drv,
+ cryptodev_driver_id);
Code Review / deb_dpdk.git / blobdiff