--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015-2016 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.
+ */
+
+#include <rte_common.h>
+#include <rte_hexdump.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_dev.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+
+#include "rte_aesni_mb_pmd_private.h"
+
+/**
+ * Global static parameter used to create a unique name for each AES-NI multi
+ * buffer 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", CRYPTODEV_NAME_AESNI_MB_PMD,
+ unique_name_id++);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+typedef void (*hash_one_block_t)(void *data, void *digest);
+typedef void (*aes_keyexp_t)(void *key, void *enc_exp_keys, void *dec_exp_keys);
+
+/**
+ * Calculate the authentication pre-computes
+ *
+ * @param one_block_hash Function pointer to calculate digest on ipad/opad
+ * @param ipad Inner pad output byte array
+ * @param opad Outer pad output byte array
+ * @param hkey Authentication key
+ * @param hkey_len Authentication key length
+ * @param blocksize Block size of selected hash algo
+ */
+static void
+calculate_auth_precomputes(hash_one_block_t one_block_hash,
+ uint8_t *ipad, uint8_t *opad,
+ uint8_t *hkey, uint16_t hkey_len,
+ uint16_t blocksize)
+{
+ unsigned i, length;
+
+ uint8_t ipad_buf[blocksize] __rte_aligned(16);
+ uint8_t opad_buf[blocksize] __rte_aligned(16);
+
+ /* Setup inner and outer pads */
+ memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
+ memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
+
+ /* XOR hash key with inner and outer pads */
+ length = hkey_len > blocksize ? blocksize : hkey_len;
+
+ for (i = 0; i < length; i++) {
+ ipad_buf[i] ^= hkey[i];
+ opad_buf[i] ^= hkey[i];
+ }
+
+ /* Compute partial hashes */
+ (*one_block_hash)(ipad_buf, ipad);
+ (*one_block_hash)(opad_buf, opad);
+
+ /* Clean up stack */
+ memset(ipad_buf, 0, blocksize);
+ memset(opad_buf, 0, blocksize);
+}
+
+/** Get xform chain order */
+static int
+aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
+{
+ /*
+ * Multi-buffer only supports HASH_CIPHER or CIPHER_HASH chained
+ * operations, all other options are invalid, so we must have exactly
+ * 2 xform structs chained together
+ */
+ if (xform->next == NULL || xform->next->next != NULL)
+ return -1;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+ return HASH_CIPHER;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+ return CIPHER_HASH;
+
+ return -1;
+}
+
+/** Set session authentication parameters */
+static int
+aesni_mb_set_session_auth_parameters(const struct aesni_mb_ops *mb_ops,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ hash_one_block_t hash_oneblock_fn;
+
+ if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
+ MB_LOG_ERR("Crypto xform struct not of type auth");
+ return -1;
+ }
+
+ /* Set Authentication Parameters */
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
+ sess->auth.algo = AES_XCBC;
+ (*mb_ops->aux.keyexp.aes_xcbc)(xform->auth.key.data,
+ sess->auth.xcbc.k1_expanded,
+ sess->auth.xcbc.k2, sess->auth.xcbc.k3);
+ return 0;
+ }
+
+ switch (xform->auth.algo) {
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ sess->auth.algo = MD5;
+ hash_oneblock_fn = mb_ops->aux.one_block.md5;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ sess->auth.algo = SHA1;
+ hash_oneblock_fn = mb_ops->aux.one_block.sha1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ sess->auth.algo = SHA_224;
+ hash_oneblock_fn = mb_ops->aux.one_block.sha224;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ sess->auth.algo = SHA_256;
+ hash_oneblock_fn = mb_ops->aux.one_block.sha256;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ sess->auth.algo = SHA_384;
+ hash_oneblock_fn = mb_ops->aux.one_block.sha384;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ sess->auth.algo = SHA_512;
+ hash_oneblock_fn = mb_ops->aux.one_block.sha512;
+ break;
+ default:
+ MB_LOG_ERR("Unsupported authentication algorithm selection");
+ return -1;
+ }
+
+ /* Calculate Authentication precomputes */
+ calculate_auth_precomputes(hash_oneblock_fn,
+ sess->auth.pads.inner, sess->auth.pads.outer,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ get_auth_algo_blocksize(sess->auth.algo));
+
+ return 0;
+}
+
+/** Set session cipher parameters */
+static int
+aesni_mb_set_session_cipher_parameters(const struct aesni_mb_ops *mb_ops,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ aes_keyexp_t aes_keyexp_fn;
+
+ if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ MB_LOG_ERR("Crypto xform struct not of type cipher");
+ return -1;
+ }
+
+ /* Select cipher direction */
+ switch (xform->cipher.op) {
+ case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
+ sess->cipher.direction = ENCRYPT;
+ break;
+ case RTE_CRYPTO_CIPHER_OP_DECRYPT:
+ sess->cipher.direction = DECRYPT;
+ break;
+ default:
+ MB_LOG_ERR("Unsupported cipher operation parameter");
+ return -1;
+ }
+
+ /* Select cipher mode */
+ switch (xform->cipher.algo) {
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ sess->cipher.mode = CBC;
+ break;
+ default:
+ MB_LOG_ERR("Unsupported cipher mode parameter");
+ return -1;
+ }
+
+ /* Check key length and choose key expansion function */
+ switch (xform->cipher.key.length) {
+ case AES_128_BYTES:
+ sess->cipher.key_length_in_bytes = AES_128_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
+ break;
+ case AES_192_BYTES:
+ sess->cipher.key_length_in_bytes = AES_192_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
+ break;
+ case AES_256_BYTES:
+ sess->cipher.key_length_in_bytes = AES_256_BYTES;
+ aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
+ break;
+ default:
+ MB_LOG_ERR("Unsupported cipher key length");
+ return -1;
+ }
+
+ /* Expanded cipher keys */
+ (*aes_keyexp_fn)(xform->cipher.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+
+ return 0;
+}
+
+/** Parse crypto xform chain and set private session parameters */
+int
+aesni_mb_set_session_parameters(const struct aesni_mb_ops *mb_ops,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ const struct rte_crypto_sym_xform *auth_xform = NULL;
+ const struct rte_crypto_sym_xform *cipher_xform = NULL;
+
+ /* Select Crypto operation - hash then cipher / cipher then hash */
+ switch (aesni_mb_get_chain_order(xform)) {
+ case HASH_CIPHER:
+ sess->chain_order = HASH_CIPHER;
+ auth_xform = xform;
+ cipher_xform = xform->next;
+ break;
+ case CIPHER_HASH:
+ sess->chain_order = CIPHER_HASH;
+ auth_xform = xform->next;
+ cipher_xform = xform;
+ break;
+ default:
+ MB_LOG_ERR("Unsupported operation chain order parameter");
+ return -1;
+ }
+
+ if (aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform)) {
+ MB_LOG_ERR("Invalid/unsupported authentication parameters");
+ return -1;
+ }
+
+ if (aesni_mb_set_session_cipher_parameters(mb_ops, sess,
+ cipher_xform)) {
+ MB_LOG_ERR("Invalid/unsupported cipher parameters");
+ return -1;
+ }
+ return 0;
+}
+
+/** Get multi buffer session */
+static struct aesni_mb_session *
+get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
+{
+ struct aesni_mb_session *sess = NULL;
+
+ if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
+ if (unlikely(op->sym->session->dev_type !=
+ RTE_CRYPTODEV_AESNI_MB_PMD))
+ return NULL;
+
+ sess = (struct aesni_mb_session *)op->sym->session->_private;
+ } else {
+ void *_sess = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+ return NULL;
+
+ sess = (struct aesni_mb_session *)
+ ((struct rte_cryptodev_sym_session *)_sess)->_private;
+
+ if (unlikely(aesni_mb_set_session_parameters(qp->ops,
+ sess, op->sym->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ sess = NULL;
+ }
+ }
+
+ return sess;
+}
+
+/**
+ * Process a crypto operation and complete a JOB_AES_HMAC job structure for
+ * submission to the multi buffer library for processing.
+ *
+ * @param qp queue pair
+ * @param job JOB_AES_HMAC structure to fill
+ * @param m mbuf to process
+ *
+ * @return
+ * - Completed JOB_AES_HMAC structure pointer on success
+ * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
+ */
+static JOB_AES_HMAC *
+process_crypto_op(struct aesni_mb_qp *qp, struct rte_crypto_op *op,
+ struct aesni_mb_session *session)
+{
+ JOB_AES_HMAC *job;
+
+ struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
+ uint16_t m_offset = 0;
+
+ job = (*qp->ops->job.get_next)(&qp->mb_mgr);
+ if (unlikely(job == NULL))
+ return job;
+
+ /* Set crypto operation */
+ job->chain_order = session->chain_order;
+
+ /* Set cipher parameters */
+ job->cipher_direction = session->cipher.direction;
+ job->cipher_mode = session->cipher.mode;
+
+ job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
+ job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
+ job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode;
+
+
+ /* Set authentication parameters */
+ job->hash_alg = session->auth.algo;
+ if (job->hash_alg == AES_XCBC) {
+ job->_k1_expanded = session->auth.xcbc.k1_expanded;
+ job->_k2 = session->auth.xcbc.k2;
+ job->_k3 = session->auth.xcbc.k3;
+ } else {
+ job->hashed_auth_key_xor_ipad = session->auth.pads.inner;
+ job->hashed_auth_key_xor_opad = session->auth.pads.outer;
+ }
+
+ /* Mutable crypto operation parameters */
+ if (op->sym->m_dst) {
+ m_src = m_dst = op->sym->m_dst;
+
+ /* append space for output data to mbuf */
+ char *odata = rte_pktmbuf_append(m_dst,
+ rte_pktmbuf_data_len(op->sym->m_src));
+ if (odata == NULL)
+ MB_LOG_ERR("failed to allocate space in destination "
+ "mbuf for source data");
+
+ memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*),
+ rte_pktmbuf_data_len(op->sym->m_src));
+ } else {
+ m_dst = m_src;
+ m_offset = op->sym->cipher.data.offset;
+ }
+
+ /* Set digest output location */
+ if (job->cipher_direction == DECRYPT) {
+ job->auth_tag_output = (uint8_t *)rte_pktmbuf_append(m_dst,
+ get_digest_byte_length(job->hash_alg));
+
+ if (job->auth_tag_output == NULL) {
+ MB_LOG_ERR("failed to allocate space in output mbuf "
+ "for temp digest");
+ return NULL;
+ }
+
+ memset(job->auth_tag_output, 0,
+ sizeof(get_digest_byte_length(job->hash_alg)));
+
+ } else {
+ job->auth_tag_output = op->sym->auth.digest.data;
+ }
+
+ /*
+ * Multi-buffer library current only support returning a truncated
+ * digest length as specified in the relevant IPsec RFCs
+ */
+ job->auth_tag_output_len_in_bytes =
+ get_truncated_digest_byte_length(job->hash_alg);
+
+ /* Set IV parameters */
+ job->iv = op->sym->cipher.iv.data;
+ job->iv_len_in_bytes = op->sym->cipher.iv.length;
+
+ /* Data Parameter */
+ job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
+ job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
+
+ job->cipher_start_src_offset_in_bytes = op->sym->cipher.data.offset;
+ job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
+
+ job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset;
+ job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
+
+ /* Set user data to be crypto operation data struct */
+ job->user_data = op;
+ job->user_data2 = m_dst;
+
+ return job;
+}
+
+/**
+ * Process a completed job and return rte_mbuf which job processed
+ *
+ * @param job JOB_AES_HMAC job to process
+ *
+ * @return
+ * - Returns processed mbuf which is trimmed of output digest used in
+ * verification of supplied digest in the case of a HASH_CIPHER operation
+ * - Returns NULL on invalid job
+ */
+static struct rte_crypto_op *
+post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
+{
+ struct rte_crypto_op *op =
+ (struct rte_crypto_op *)job->user_data;
+ struct rte_mbuf *m_dst =
+ (struct rte_mbuf *)job->user_data2;
+
+ if (op == NULL || m_dst == NULL)
+ return NULL;
+
+ /* set status as successful by default */
+ op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ /* check if job has been processed */
+ if (unlikely(job->status != STS_COMPLETED)) {
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return op;
+ } else if (job->chain_order == HASH_CIPHER) {
+ /* Verify digest if required */
+ if (memcmp(job->auth_tag_output, op->sym->auth.digest.data,
+ job->auth_tag_output_len_in_bytes) != 0)
+ op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+
+ /* trim area used for digest from mbuf */
+ rte_pktmbuf_trim(m_dst, get_digest_byte_length(job->hash_alg));
+ }
+
+ /* Free session if a session-less crypto op */
+ if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ rte_mempool_put(qp->sess_mp, op->sym->session);
+ op->sym->session = NULL;
+ }
+
+ return op;
+}
+
+/**
+ * Process a completed JOB_AES_HMAC job and keep processing jobs until
+ * get_completed_job return NULL
+ *
+ * @param qp Queue Pair to process
+ * @param job JOB_AES_HMAC job
+ *
+ * @return
+ * - Number of processed jobs
+ */
+static unsigned
+handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
+{
+ struct rte_crypto_op *op = NULL;
+ unsigned processed_jobs = 0;
+
+ while (job) {
+ processed_jobs++;
+ op = post_process_mb_job(qp, job);
+ if (op)
+ rte_ring_enqueue(qp->processed_ops, (void *)op);
+ else
+ qp->stats.dequeue_err_count++;
+ job = (*qp->ops->job.get_completed_job)(&qp->mb_mgr);
+ }
+
+ return processed_jobs;
+}
+
+static uint16_t
+aesni_mb_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct aesni_mb_session *sess;
+ struct aesni_mb_qp *qp = queue_pair;
+
+ JOB_AES_HMAC *job = NULL;
+
+ int i, processed_jobs = 0;
+
+ for (i = 0; i < nb_ops; i++) {
+#ifdef RTE_LIBRTE_AESNI_MB_DEBUG
+ if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
+ MB_LOG_ERR("PMD only supports symmetric crypto "
+ "operation requests, op (%p) is not a "
+ "symmetric operation.", op);
+ qp->stats.enqueue_err_count++;
+ goto flush_jobs;
+ }
+#endif
+ sess = get_session(qp, ops[i]);
+ if (unlikely(sess == NULL)) {
+ qp->stats.enqueue_err_count++;
+ goto flush_jobs;
+ }
+
+ job = process_crypto_op(qp, ops[i], sess);
+ if (unlikely(job == NULL)) {
+ qp->stats.enqueue_err_count++;
+ goto flush_jobs;
+ }
+
+ /* Submit Job */
+ job = (*qp->ops->job.submit)(&qp->mb_mgr);
+
+ /*
+ * If submit returns a processed job then handle it,
+ * before submitting subsequent jobs
+ */
+ if (job)
+ processed_jobs += handle_completed_jobs(qp, job);
+ }
+
+ if (processed_jobs == 0)
+ goto flush_jobs;
+ else
+ qp->stats.enqueued_count += processed_jobs;
+ return i;
+
+flush_jobs:
+ /*
+ * If we haven't processed any jobs in submit loop, then flush jobs
+ * queue to stop the output stalling
+ */
+ job = (*qp->ops->job.flush_job)(&qp->mb_mgr);
+ if (job)
+ qp->stats.enqueued_count += handle_completed_jobs(qp, job);
+
+ return i;
+}
+
+static uint16_t
+aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct aesni_mb_qp *qp = queue_pair;
+
+ unsigned nb_dequeued;
+
+ nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
+ (void **)ops, nb_ops);
+ qp->stats.dequeued_count += nb_dequeued;
+
+ return nb_dequeued;
+}
+
+
+static int cryptodev_aesni_mb_uninit(const char *name);
+
+static int
+cryptodev_aesni_mb_create(const char *name,
+ struct rte_crypto_vdev_init_params *init_params)
+{
+ struct rte_cryptodev *dev;
+ char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+ struct aesni_mb_private *internals;
+ enum aesni_mb_vector_mode vector_mode;
+
+ /* Check CPU for support for AES instruction set */
+ if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
+ MB_LOG_ERR("AES instructions not supported by CPU");
+ return -EFAULT;
+ }
+
+ /* Check CPU for supported vector instruction set */
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
+ vector_mode = RTE_AESNI_MB_AVX2;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
+ vector_mode = RTE_AESNI_MB_AVX;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+ vector_mode = RTE_AESNI_MB_SSE;
+ else {
+ MB_LOG_ERR("Vector instructions are not supported by CPU");
+ return -EFAULT;
+ }
+
+ /* create a unique device name */
+ if (create_unique_device_name(crypto_dev_name,
+ RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
+ MB_LOG_ERR("failed to create unique cryptodev name");
+ return -EINVAL;
+ }
+
+
+ dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
+ sizeof(struct aesni_mb_private), init_params->socket_id);
+ if (dev == NULL) {
+ MB_LOG_ERR("failed to create cryptodev vdev");
+ goto init_error;
+ }
+
+ dev->dev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
+ dev->dev_ops = rte_aesni_mb_pmd_ops;
+
+ /* register rx/tx burst functions for data path */
+ dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
+ dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
+
+ dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_CPU_AESNI;
+
+ switch (vector_mode) {
+ case RTE_AESNI_MB_SSE:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+ break;
+ case RTE_AESNI_MB_AVX:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
+ break;
+ case RTE_AESNI_MB_AVX2:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ break;
+ default:
+ break;
+ }
+
+ /* Set vector instructions mode supported */
+ internals = dev->data->dev_private;
+
+ internals->vector_mode = vector_mode;
+ internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
+ internals->max_nb_sessions = init_params->max_nb_sessions;
+
+ return 0;
+init_error:
+ MB_LOG_ERR("driver %s: cryptodev_aesni_create failed", name);
+
+ cryptodev_aesni_mb_uninit(crypto_dev_name);
+ return -EFAULT;
+}
+
+
+static int
+cryptodev_aesni_mb_init(const char *name,
+ const char *input_args)
+{
+ 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()
+ };
+
+ rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+
+ 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);
+
+ return cryptodev_aesni_mb_create(name, &init_params);
+}
+
+static int
+cryptodev_aesni_mb_uninit(const char *name)
+{
+ if (name == NULL)
+ return -EINVAL;
+
+ RTE_LOG(INFO, PMD, "Closing AESNI crypto device %s on numa socket %u\n",
+ name, rte_socket_id());
+
+ return 0;
+}
+
+static struct rte_driver cryptodev_aesni_mb_pmd_drv = {
+ .name = CRYPTODEV_NAME_AESNI_MB_PMD,
+ .type = PMD_VDEV,
+ .init = cryptodev_aesni_mb_init,
+ .uninit = cryptodev_aesni_mb_uninit
+};
+
+PMD_REGISTER_DRIVER(cryptodev_aesni_mb_pmd_drv);
Code Review / deb_dpdk.git / blobdiff