-/*-
- * 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) 2016-2020 Intel Corporation
*/
#include <string.h>
#include "aesni_gcm_pmd_private.h"
static const struct rte_cryptodev_capabilities aesni_gcm_pmd_capabilities[] = {
- { /* AES GCM (AUTH) */
+ { /* AES GMAC (AUTH) */
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
- .sym = {
+ {.sym = {
.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
- .auth = {
- .algo = RTE_CRYPTO_AUTH_AES_GCM,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_AES_GMAC,
.block_size = 16,
.key_size = {
.min = 16,
.increment = 8
},
.digest_size = {
- .min = 8,
+ .min = 1,
.max = 16,
- .increment = 4
+ .increment = 1
},
- .aad_size = {
- .min = 8,
+ .iv_size = {
+ .min = 12,
.max = 12,
- .increment = 4
+ .increment = 0
}
- }
- }
+ }, }
+ }, }
},
- { /* AES GCM (CIPHER) */
+ { /* AES GCM */
.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
- .sym = {
- .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
- .cipher = {
- .algo = RTE_CRYPTO_CIPHER_AES_GCM,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+ {.aead = {
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
.block_size = 16,
.key_size = {
.min = 16,
.max = 32,
.increment = 8
},
- .iv_size = {
- .min = 16,
+ .digest_size = {
+ .min = 1,
.max = 16,
+ .increment = 1
+ },
+ .aad_size = {
+ .min = 0,
+ .max = 65535,
+ .increment = 1
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 12,
.increment = 0
}
- }
- }
+ }, }
+ }, }
},
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
/** Configure device */
static int
-aesni_gcm_pmd_config(__rte_unused struct rte_cryptodev *dev)
+aesni_gcm_pmd_config(__rte_unused struct rte_cryptodev *dev,
+ __rte_unused struct rte_cryptodev_config *config)
{
return 0;
}
struct aesni_gcm_private *internals = dev->data->dev_private;
if (dev_info != NULL) {
- dev_info->dev_type = dev->dev_type;
- dev_info->feature_flags = dev->feature_flags;
- dev_info->capabilities = aesni_gcm_pmd_capabilities;
+ dev_info->driver_id = dev->driver_id;
+ dev_info->feature_flags = dev->feature_flags;
+ dev_info->capabilities = aesni_gcm_pmd_capabilities;
dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
- dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
+ /* No limit of number of sessions */
+ dev_info->sym.max_nb_sessions = 0;
}
}
aesni_gcm_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
{
if (dev->data->queue_pairs[qp_id] != NULL) {
+ struct aesni_gcm_qp *qp = dev->data->queue_pairs[qp_id];
+
+ if (qp->processed_pkts)
+ rte_ring_free(qp->processed_pkts);
+
rte_free(dev->data->queue_pairs[qp_id]);
dev->data->queue_pairs[qp_id] = NULL;
}
"aesni_gcm_pmd_%u_qp_%u",
dev->data->dev_id, qp->id);
- if (n > sizeof(qp->name))
+ if (n >= sizeof(qp->name))
return -1;
return 0;
r = rte_ring_lookup(qp->name);
if (r) {
- if (r->prod.size >= ring_size) {
- GCM_LOG_INFO("Reusing existing ring %s for processed"
- " packets", qp->name);
+ if (rte_ring_get_size(r) >= ring_size) {
+ AESNI_GCM_LOG(INFO, "Reusing existing ring %s for processed"
+ " packets", qp->name);
return r;
}
-
- GCM_LOG_ERR("Unable to reuse existing ring %s for processed"
+ AESNI_GCM_LOG(ERR, "Unable to reuse existing ring %s for processed"
" packets", qp->name);
return NULL;
}
static int
aesni_gcm_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
const struct rte_cryptodev_qp_conf *qp_conf,
- int socket_id)
+ int socket_id)
{
struct aesni_gcm_qp *qp = NULL;
struct aesni_gcm_private *internals = dev->data->dev_private;
if (aesni_gcm_pmd_qp_set_unique_name(dev, qp))
goto qp_setup_cleanup;
- qp->ops = &gcm_ops[internals->vector_mode];
+ qp->ops = (const struct aesni_gcm_ops *)internals->ops;
qp->processed_pkts = aesni_gcm_pmd_qp_create_processed_pkts_ring(qp,
qp_conf->nb_descriptors, socket_id);
if (qp->processed_pkts == NULL)
goto qp_setup_cleanup;
- qp->sess_mp = dev->data->session_pool;
+ qp->sess_mp = qp_conf->mp_session;
+ qp->sess_mp_priv = qp_conf->mp_session_private;
memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
return -1;
}
-/** Start queue pair */
-static int
-aesni_gcm_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
- __rte_unused uint16_t queue_pair_id)
-{
- return -ENOTSUP;
-}
-
-/** Stop queue pair */
-static int
-aesni_gcm_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
- __rte_unused uint16_t queue_pair_id)
-{
- return -ENOTSUP;
-}
-
-/** Return the number of allocated queue pairs */
-static uint32_t
-aesni_gcm_pmd_qp_count(struct rte_cryptodev *dev)
-{
- return dev->data->nb_queue_pairs;
-}
-
/** Returns the size of the aesni gcm session structure */
static unsigned
-aesni_gcm_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
+aesni_gcm_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
{
return sizeof(struct aesni_gcm_session);
}
/** Configure a aesni gcm session from a crypto xform chain */
-static void *
-aesni_gcm_pmd_session_configure(struct rte_cryptodev *dev,
- struct rte_crypto_sym_xform *xform, void *sess)
+static int
+aesni_gcm_pmd_sym_session_configure(struct rte_cryptodev *dev __rte_unused,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mempool)
{
+ void *sess_private_data;
+ int ret;
struct aesni_gcm_private *internals = dev->data->dev_private;
if (unlikely(sess == NULL)) {
- GCM_LOG_ERR("invalid session struct");
- return NULL;
+ AESNI_GCM_LOG(ERR, "invalid session struct");
+ return -EINVAL;
}
- if (aesni_gcm_set_session_parameters(&gcm_ops[internals->vector_mode],
- sess, xform) != 0) {
- GCM_LOG_ERR("failed configure session parameters");
- return NULL;
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ AESNI_GCM_LOG(ERR,
+ "Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+ ret = aesni_gcm_set_session_parameters(internals->ops,
+ sess_private_data, xform);
+ if (ret != 0) {
+ AESNI_GCM_LOG(ERR, "failed configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(mempool, sess_private_data);
+ return ret;
}
- return sess;
+ set_sym_session_private_data(sess, dev->driver_id,
+ sess_private_data);
+
+ return 0;
}
/** Clear the memory of session so it doesn't leave key material behind */
static void
-aesni_gcm_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
+aesni_gcm_pmd_sym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
{
- if (sess)
- memset(sess, 0, sizeof(struct aesni_gcm_session));
+ uint8_t index = dev->driver_id;
+ void *sess_priv = get_sym_session_private_data(sess, index);
+
+ /* Zero out the whole structure */
+ if (sess_priv) {
+ memset(sess_priv, 0, sizeof(struct aesni_gcm_session));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_sym_session_private_data(sess, index, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
}
struct rte_cryptodev_ops aesni_gcm_pmd_ops = {
.queue_pair_setup = aesni_gcm_pmd_qp_setup,
.queue_pair_release = aesni_gcm_pmd_qp_release,
- .queue_pair_start = aesni_gcm_pmd_qp_start,
- .queue_pair_stop = aesni_gcm_pmd_qp_stop,
- .queue_pair_count = aesni_gcm_pmd_qp_count,
- .session_get_size = aesni_gcm_pmd_session_get_size,
- .session_configure = aesni_gcm_pmd_session_configure,
- .session_clear = aesni_gcm_pmd_session_clear
+ .sym_cpu_process = aesni_gcm_pmd_cpu_crypto_process,
+
+ .sym_session_get_size = aesni_gcm_pmd_sym_session_get_size,
+ .sym_session_configure = aesni_gcm_pmd_sym_session_configure,
+ .sym_session_clear = aesni_gcm_pmd_sym_session_clear
};
struct rte_cryptodev_ops *rte_aesni_gcm_pmd_ops = &aesni_gcm_pmd_ops;