X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fsnow3g%2Frte_snow3g_pmd_ops.c;h=f60b475987bdbff1b586bd0321077528fd5771dc;hb=9713ece25c63a30ef24d59f27462aaa2643112fd;hp=5643323ce411ccb8293c7619b86e02532bfe52b6;hpb=3aafc423cf4dc2c8c1ec9bb9ca22cbc488e7e0a2;p=dpdk.git diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c b/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c index 5643323ce4..f60b475987 100644 --- a/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c +++ b/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c @@ -1,33 +1,5 @@ -/*- - * 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 @@ -38,9 +10,59 @@ #include "rte_snow3g_pmd_private.h" +static const struct rte_cryptodev_capabilities snow3g_pmd_capabilities[] = { + { /* SNOW 3G (UIA2) */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH, + {.auth = { + .algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2, + .block_size = 16, + .key_size = { + .min = 16, + .max = 16, + .increment = 0 + }, + .digest_size = { + .min = 4, + .max = 4, + .increment = 0 + }, + .iv_size = { + .min = 16, + .max = 16, + .increment = 0 + } + }, } + }, } + }, + { /* SNOW 3G (UEA2) */ + .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, + {.sym = { + .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, + {.cipher = { + .algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2, + .block_size = 16, + .key_size = { + .min = 16, + .max = 16, + .increment = 0 + }, + .iv_size = { + .min = 16, + .max = 16, + .increment = 0 + } + }, } + }, } + }, + RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() +}; + /** Configure device */ static int -snow3g_pmd_config(__rte_unused struct rte_cryptodev *dev) +snow3g_pmd_config(__rte_unused struct rte_cryptodev *dev, + __rte_unused struct rte_cryptodev_config *config) { return 0; } @@ -106,9 +128,11 @@ snow3g_pmd_info_get(struct rte_cryptodev *dev, struct snow3g_private *internals = dev->data->dev_private; if (dev_info != NULL) { - dev_info->dev_type = dev->dev_type; + dev_info->driver_id = dev->driver_id; dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs; dev_info->sym.max_nb_sessions = internals->max_nb_sessions; + dev_info->feature_flags = dev->feature_flags; + dev_info->capabilities = snow3g_pmd_capabilities; } } @@ -132,7 +156,7 @@ snow3g_pmd_qp_set_unique_name(struct rte_cryptodev *dev, "snow3g_pmd_%u_qp_%u", dev->data->dev_id, qp->id); - if (n > sizeof(qp->name)) + if (n >= sizeof(qp->name)) return -1; return 0; @@ -147,7 +171,7 @@ snow3g_pmd_qp_create_processed_ops_ring(struct snow3g_qp *qp, r = rte_ring_lookup(qp->name); if (r) { - if (r->prod.size >= ring_size) { + if (rte_ring_get_size(r) >= ring_size) { SNOW3G_LOG_INFO("Reusing existing ring %s" " for processed packets", qp->name); @@ -168,7 +192,7 @@ snow3g_pmd_qp_create_processed_ops_ring(struct snow3g_qp *qp, static int snow3g_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 rte_mempool *session_pool) { struct snow3g_qp *qp = NULL; @@ -177,7 +201,7 @@ snow3g_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, snow3g_pmd_qp_release(dev, qp_id); /* Allocate the queue pair data structure. */ - qp = rte_zmalloc_socket("SNOW3G PMD Queue Pair", sizeof(*qp), + qp = rte_zmalloc_socket("SNOW 3G PMD Queue Pair", sizeof(*qp), RTE_CACHE_LINE_SIZE, socket_id); if (qp == NULL) return (-ENOMEM); @@ -193,7 +217,7 @@ snow3g_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, if (qp->processed_ops == NULL) goto qp_setup_cleanup; - qp->sess_mp = dev->data->session_pool; + qp->sess_mp = session_pool; memset(&qp->qp_stats, 0, sizeof(qp->qp_stats)); @@ -237,33 +261,56 @@ snow3g_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused) } /** Configure a SNOW 3G session from a crypto xform chain */ -static void * +static int snow3g_pmd_session_configure(struct rte_cryptodev *dev __rte_unused, - struct rte_crypto_sym_xform *xform, void *sess) + struct rte_crypto_sym_xform *xform, + struct rte_cryptodev_sym_session *sess, + struct rte_mempool *mempool) { + void *sess_private_data; + int ret; + if (unlikely(sess == NULL)) { SNOW3G_LOG_ERR("invalid session struct"); - return NULL; + return -EINVAL; + } + + if (rte_mempool_get(mempool, &sess_private_data)) { + CDEV_LOG_ERR( + "Couldn't get object from session mempool"); + return -ENOMEM; } - if (snow3g_set_session_parameters(sess, xform) != 0) { + ret = snow3g_set_session_parameters(sess_private_data, xform); + if (ret != 0) { SNOW3G_LOG_ERR("failed configure session parameters"); - return NULL; + + /* Return session to mempool */ + rte_mempool_put(mempool, sess_private_data); + return ret; } - return sess; + set_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 -snow3g_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess) +snow3g_pmd_session_clear(struct rte_cryptodev *dev, + struct rte_cryptodev_sym_session *sess) { - /* - * Current just resetting the whole data structure, need to investigate - * whether a more selective reset of key would be more performant - */ - if (sess) - memset(sess, 0, sizeof(struct snow3g_session)); + uint8_t index = dev->driver_id; + void *sess_priv = get_session_private_data(sess, index); + + /* Zero out the whole structure */ + if (sess_priv) { + memset(sess_priv, 0, sizeof(struct snow3g_session)); + struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv); + set_session_private_data(sess, index, NULL); + rte_mempool_put(sess_mp, sess_priv); + } } struct rte_cryptodev_ops snow3g_pmd_ops = {