2018-10-24 12:49:01 +00:00
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <rte_cryptodev.h>
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#include <rte_cryptodev_pmd.h>
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#include <rte_string_fns.h>
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#include "rte_eth_softnic_internals.h"
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2019-01-10 14:50:14 +00:00
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#define SOFTNIC_CRYPTO_SESSION_CACHE_SIZE 128
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2018-10-24 12:49:01 +00:00
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int
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softnic_cryptodev_init(struct pmd_internals *p)
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{
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TAILQ_INIT(&p->cryptodev_list);
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return 0;
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}
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void
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softnic_cryptodev_free(struct pmd_internals *p)
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{
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for ( ; ; ) {
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struct softnic_cryptodev *cryptodev;
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cryptodev = TAILQ_FIRST(&p->cryptodev_list);
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if (cryptodev == NULL)
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break;
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TAILQ_REMOVE(&p->cryptodev_list, cryptodev, node);
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free(cryptodev);
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}
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}
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struct softnic_cryptodev *
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softnic_cryptodev_find(struct pmd_internals *p,
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const char *name)
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{
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struct softnic_cryptodev *cryptodev;
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if (name == NULL)
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return NULL;
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TAILQ_FOREACH(cryptodev, &p->cryptodev_list, node)
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if (strcmp(cryptodev->name, name) == 0)
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return cryptodev;
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return NULL;
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}
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struct softnic_cryptodev *
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softnic_cryptodev_create(struct pmd_internals *p,
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const char *name,
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struct softnic_cryptodev_params *params)
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{
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struct rte_cryptodev_info dev_info;
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struct rte_cryptodev_config dev_conf;
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struct rte_cryptodev_qp_conf queue_conf;
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struct softnic_cryptodev *cryptodev;
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uint32_t dev_id, i;
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uint32_t socket_id;
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2019-01-10 14:50:14 +00:00
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uint32_t cache_size;
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char mp_name[NAME_SIZE];
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2018-10-24 12:49:01 +00:00
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int status;
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/* Check input params */
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if ((name == NULL) ||
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softnic_cryptodev_find(p, name) ||
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(params->n_queues == 0) ||
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2019-01-10 14:50:14 +00:00
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(params->queue_size == 0) ||
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(params->session_pool_size == 0))
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2018-10-24 12:49:01 +00:00
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return NULL;
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if (params->dev_name) {
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status = rte_cryptodev_get_dev_id(params->dev_name);
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if (status == -1)
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return NULL;
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dev_id = (uint32_t)status;
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} else {
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if (rte_cryptodev_pmd_is_valid_dev(params->dev_id) == 0)
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return NULL;
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dev_id = params->dev_id;
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}
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2019-01-10 14:50:14 +00:00
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cache_size = (params->session_pool_size / 2 <
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SOFTNIC_CRYPTO_SESSION_CACHE_SIZE) ?
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(params->session_pool_size / 2) :
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SOFTNIC_CRYPTO_SESSION_CACHE_SIZE;
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2018-10-24 12:49:01 +00:00
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socket_id = rte_cryptodev_socket_id(dev_id);
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rte_cryptodev_info_get(dev_id, &dev_info);
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if (dev_info.max_nb_queue_pairs < params->n_queues)
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return NULL;
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if (dev_info.feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED)
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return NULL;
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dev_conf.socket_id = socket_id;
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dev_conf.nb_queue_pairs = params->n_queues;
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status = rte_cryptodev_configure(dev_id, &dev_conf);
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if (status < 0)
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return NULL;
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queue_conf.nb_descriptors = params->queue_size;
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for (i = 0; i < params->n_queues; i++) {
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status = rte_cryptodev_queue_pair_setup(dev_id, i,
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2019-01-10 14:50:11 +00:00
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&queue_conf, socket_id);
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2018-10-24 12:49:01 +00:00
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if (status < 0)
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return NULL;
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}
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if (rte_cryptodev_start(dev_id) < 0)
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return NULL;
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cryptodev = calloc(1, sizeof(struct softnic_cryptodev));
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if (cryptodev == NULL) {
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rte_cryptodev_stop(dev_id);
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return NULL;
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}
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strlcpy(cryptodev->name, name, sizeof(cryptodev->name));
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cryptodev->dev_id = dev_id;
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cryptodev->n_queues = params->n_queues;
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2019-01-10 14:50:14 +00:00
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snprintf(mp_name, NAME_SIZE, "%s_mp%u", name, dev_id);
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cryptodev->mp_create = rte_cryptodev_sym_session_pool_create(mp_name,
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params->session_pool_size,
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0,
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cache_size,
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0,
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socket_id);
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if (!cryptodev->mp_create)
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goto error_exit;
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snprintf(mp_name, NAME_SIZE, "%s_priv_mp%u", name, dev_id);
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cryptodev->mp_init = rte_mempool_create(mp_name,
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params->session_pool_size,
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rte_cryptodev_sym_get_private_session_size(dev_id),
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cache_size,
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0,
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NULL,
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NULL,
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NULL,
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NULL,
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socket_id,
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0);
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if (!cryptodev->mp_init)
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goto error_exit;
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2018-10-24 12:49:01 +00:00
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TAILQ_INSERT_TAIL(&p->cryptodev_list, cryptodev, node);
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return cryptodev;
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2019-01-10 14:50:14 +00:00
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error_exit:
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if (cryptodev->mp_create)
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rte_mempool_free(cryptodev->mp_create);
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if (cryptodev->mp_init)
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rte_mempool_free(cryptodev->mp_init);
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free(cryptodev);
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return NULL;
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2018-10-24 12:49:01 +00:00
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}
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