From 97f17497d162afdb82c8704bf097f0fee3724b2e Mon Sep 17 00:00:00 2001 From: "C.J. Collier" Date: Tue, 14 Jun 2016 07:50:17 -0700 Subject: Imported Upstream version 16.04 Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier --- drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c | 719 +++++++++++++++++++++++++++++ 1 file changed, 719 insertions(+) create mode 100644 drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c (limited to 'drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c') diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c new file mode 100644 index 00000000..3415ac1b --- /dev/null +++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c @@ -0,0 +1,719 @@ +/*- + * 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 +#include +#include +#include +#include +#include +#include + +#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); -- cgit 1.2.3-korg