diff options
Diffstat (limited to 'src/plugins/dpdk/cryptodev/cryptodev.c')
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev.c | 1377 |
1 files changed, 1377 insertions, 0 deletions
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c new file mode 100644 index 00000000000..0506ab8373b --- /dev/null +++ b/src/plugins/dpdk/cryptodev/cryptodev.c @@ -0,0 +1,1377 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2020 Intel and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ + +#include <vlib/vlib.h> +#include <vnet/plugin/plugin.h> +#include <vnet/crypto/crypto.h> +#include <vnet/vnet.h> +#include <vpp/app/version.h> + +#include <dpdk/buffer.h> +#include <dpdk/device/dpdk.h> +#include <dpdk/device/dpdk_priv.h> +#include <rte_bus_vdev.h> +#include <rte_cryptodev.h> +#include <rte_crypto_sym.h> +#include <rte_crypto.h> +#include <rte_cryptodev_pmd.h> +#include <rte_config.h> + +#define CRYPTODEV_NB_CRYPTO_OPS 1024 +#define CRYPTODEV_NB_SESSION 10240 +#define CRYPTODEV_DEF_DRIVE crypto_aesni_mb + +#define CRYPTODEV_IV_OFFSET (offsetof (cryptodev_op_t, iv)) +#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad)) +#define CRYPTODEV_DIGEST_OFFSET (offsetof (cryptodev_op_t, digest)) + +/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN */ +#define foreach_vnet_aead_crypto_conversion \ + _(AES_128_GCM, AEAD, AES_GCM, 12, 16, 8) \ + _(AES_128_GCM, AEAD, AES_GCM, 12, 16, 12) \ + _(AES_192_GCM, AEAD, AES_GCM, 12, 16, 8) \ + _(AES_192_GCM, AEAD, AES_GCM, 12, 16, 12) \ + _(AES_256_GCM, AEAD, AES_GCM, 12, 16, 8) \ + _(AES_256_GCM, AEAD, AES_GCM, 12, 16, 12) + +/** + * crypto (alg, cryptodev_alg), hash (alg, digest-size) + **/ +#define foreach_cryptodev_link_async_alg \ + _ (AES_128_CBC, AES_CBC, SHA1, 12) \ + _ (AES_192_CBC, AES_CBC, SHA1, 12) \ + _ (AES_256_CBC, AES_CBC, SHA1, 12) \ + _ (AES_128_CBC, AES_CBC, SHA224, 14) \ + _ (AES_192_CBC, AES_CBC, SHA224, 14) \ + _ (AES_256_CBC, AES_CBC, SHA224, 14) \ + _ (AES_128_CBC, AES_CBC, SHA256, 16) \ + _ (AES_192_CBC, AES_CBC, SHA256, 16) \ + _ (AES_256_CBC, AES_CBC, SHA256, 16) \ + _ (AES_128_CBC, AES_CBC, SHA384, 24) \ + _ (AES_192_CBC, AES_CBC, SHA384, 24) \ + _ (AES_256_CBC, AES_CBC, SHA384, 24) \ + _ (AES_128_CBC, AES_CBC, SHA512, 32) \ + _ (AES_192_CBC, AES_CBC, SHA512, 32) \ + _ (AES_256_CBC, AES_CBC, SHA512, 32) + +#define foreach_vnet_crypto_status_conversion \ + _(SUCCESS, COMPLETED) \ + _(NOT_PROCESSED, WORK_IN_PROGRESS) \ + _(AUTH_FAILED, FAIL_BAD_HMAC) \ + _(INVALID_SESSION, FAIL_ENGINE_ERR) \ + _(INVALID_ARGS, FAIL_ENGINE_ERR) \ + _(ERROR, FAIL_ENGINE_ERR) + +static const vnet_crypto_op_status_t cryptodev_status_conversion[] = { +#define _(a, b) VNET_CRYPTO_OP_STATUS_##b, + foreach_vnet_crypto_status_conversion +#undef _ +}; + +typedef struct +{ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + struct rte_crypto_op op; + struct rte_crypto_sym_op sop; + u8 iv[16]; + u8 aad[16]; + vnet_crypto_async_frame_t *frame; + u32 n_elts; +} cryptodev_op_t; + +typedef enum +{ + CRYPTODEV_OP_TYPE_ENCRYPT = 0, + CRYPTODEV_OP_TYPE_DECRYPT, + CRYPTODEV_N_OP_TYPES, +} cryptodev_op_type_t; + +typedef struct +{ + struct rte_cryptodev_sym_session *keys[CRYPTODEV_N_OP_TYPES]; +} cryptodev_key_t; + +typedef struct +{ + u32 dev_id; + u32 q_id; + char *desc; +} cryptodev_inst_t; + +typedef struct +{ + struct rte_mempool *cop_pool; + struct rte_mempool *sess_pool; + struct rte_mempool *sess_priv_pool; +} cryptodev_numa_data_t; + +typedef struct +{ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + u16 cryptodev_id; + u16 cryptodev_q; + u32 inflight; + cryptodev_op_t **cops; + struct rte_ring *ring; +} cryptodev_engine_thread_t; + +typedef struct +{ + cryptodev_numa_data_t *per_numa_data; + cryptodev_key_t *keys; + cryptodev_engine_thread_t *per_thread_data; + cryptodev_inst_t *cryptodev_inst; + clib_bitmap_t *active_cdev_inst_mask; + clib_spinlock_t tlock; +} cryptodev_main_t; + +cryptodev_main_t cryptodev_main; + +static int +prepare_aead_xform (struct rte_crypto_sym_xform *xform, + cryptodev_op_type_t op_type, + const vnet_crypto_key_t * key, u32 aad_len) +{ + struct rte_crypto_aead_xform *aead_xform = &xform->aead; + memset (xform, 0, sizeof (*xform)); + xform->type = RTE_CRYPTO_SYM_XFORM_AEAD; + xform->next = 0; + + if (key->alg != VNET_CRYPTO_ALG_AES_128_GCM && + key->alg != VNET_CRYPTO_ALG_AES_192_GCM && + key->alg != VNET_CRYPTO_ALG_AES_256_GCM) + return -1; + + aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM; + aead_xform->op = (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) ? + RTE_CRYPTO_AEAD_OP_ENCRYPT : RTE_CRYPTO_AEAD_OP_DECRYPT; + aead_xform->aad_length = aad_len; + aead_xform->digest_length = 16; + aead_xform->iv.offset = CRYPTODEV_IV_OFFSET; + aead_xform->iv.length = 12; + aead_xform->key.data = key->data; + aead_xform->key.length = vec_len (key->data); + + return 0; +} + +static int +prepare_linked_xform (struct rte_crypto_sym_xform *xforms, + cryptodev_op_type_t op_type, + const vnet_crypto_key_t * key) +{ + struct rte_crypto_sym_xform *xform_cipher, *xform_auth; + vnet_crypto_key_t *key_cipher, *key_auth; + enum rte_crypto_cipher_algorithm cipher_algo = ~0; + enum rte_crypto_auth_algorithm auth_algo = ~0; + u32 digest_len = ~0; + + key_cipher = vnet_crypto_get_key (key->index_crypto); + key_auth = vnet_crypto_get_key (key->index_integ); + if (!key_cipher || !key_auth) + return -1; + + if (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) + { + xform_cipher = xforms; + xform_auth = xforms + 1; + xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; + xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; + } + else + { + xform_cipher = xforms + 1; + xform_auth = xforms; + xform_cipher->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT; + xform_auth->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY; + } + + xform_cipher->type = RTE_CRYPTO_SYM_XFORM_CIPHER; + xform_auth->type = RTE_CRYPTO_SYM_XFORM_AUTH; + xforms->next = xforms + 1; + + switch (key->async_alg) + { +#define _(a, b, c, d) \ + case VNET_CRYPTO_ALG_##a##_##c##_TAG##d:\ + cipher_algo = RTE_CRYPTO_CIPHER_##b; \ + auth_algo = RTE_CRYPTO_AUTH_##c##_HMAC; \ + digest_len = d; \ + break; + + foreach_cryptodev_link_async_alg +#undef _ + default: + return -1; + } + + xform_cipher->cipher.algo = cipher_algo; + xform_cipher->cipher.key.data = key_cipher->data; + xform_cipher->cipher.key.length = vec_len (key_cipher->data); + xform_cipher->cipher.iv.length = 16; + xform_cipher->cipher.iv.offset = CRYPTODEV_IV_OFFSET; + + xform_auth->auth.algo = auth_algo; + xform_auth->auth.digest_length = digest_len; + xform_auth->auth.key.data = key_auth->data; + xform_auth->auth.key.length = vec_len (key_auth->data); + + return 0; +} + +static int +cryptodev_session_create (vnet_crypto_key_t * const key, + struct rte_mempool *sess_priv_pool, + cryptodev_key_t * session_pair, u32 aad_len) +{ + struct rte_crypto_sym_xform xforms_enc[2] = { {0} }; + struct rte_crypto_sym_xform xforms_dec[2] = { {0} }; + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_inst_t *dev_inst; + struct rte_cryptodev *cdev; + int ret; + uint8_t dev_id = 0; + + if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) + ret = prepare_linked_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key); + else + ret = prepare_aead_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key, + aad_len); + if (ret) + return 0; + + if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) + prepare_linked_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key); + else + prepare_aead_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key, aad_len); + + vec_foreach (dev_inst, cmt->cryptodev_inst) + { + dev_id = dev_inst->dev_id; + cdev = rte_cryptodev_pmd_get_dev (dev_id); + + /* if the session is already configured for the driver type, avoid + configuring it again to increase the session data's refcnt */ + if (session_pair->keys[0]->sess_data[cdev->driver_id].data && + session_pair->keys[1]->sess_data[cdev->driver_id].data) + continue; + + ret = rte_cryptodev_sym_session_init (dev_id, session_pair->keys[0], + xforms_enc, sess_priv_pool); + ret = rte_cryptodev_sym_session_init (dev_id, session_pair->keys[1], + xforms_dec, sess_priv_pool); + if (ret < 0) + return ret; + } + session_pair->keys[0]->opaque_data = aad_len; + session_pair->keys[1]->opaque_data = aad_len; + + return 0; +} + +static void +cryptodev_session_del (struct rte_cryptodev_sym_session *sess) +{ + u32 n_devs, i; + + if (sess == NULL) + return; + + n_devs = rte_cryptodev_count (); + + for (i = 0; i < n_devs; i++) + rte_cryptodev_sym_session_clear (i, sess); + + rte_cryptodev_sym_session_free (sess); +} + +static int +cryptodev_check_supported_vnet_alg (vnet_crypto_key_t * key) +{ + vnet_crypto_alg_t alg; + if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) + return 0; + + alg = key->alg; + +#define _(a, b, c, d, e, f) \ + if (alg == VNET_CRYPTO_ALG_##a) \ + return 0; + + foreach_vnet_aead_crypto_conversion +#undef _ + return -1; +} + +static_always_inline void +cryptodev_sess_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop, + vnet_crypto_key_index_t idx, u32 aad_len) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa_data; + vnet_crypto_key_t *key = vnet_crypto_get_key (idx); + struct rte_mempool *sess_pool, *sess_priv_pool; + cryptodev_key_t *ckey = 0; + int ret = 0; + + if (kop == VNET_CRYPTO_KEY_OP_DEL) + { + if (idx >= vec_len (cmt->keys)) + return; + + ckey = pool_elt_at_index (cmt->keys, idx); + cryptodev_session_del (ckey->keys[0]); + cryptodev_session_del (ckey->keys[1]); + ckey->keys[0] = 0; + ckey->keys[1] = 0; + pool_put (cmt->keys, ckey); + return; + } + else if (kop == VNET_CRYPTO_KEY_OP_MODIFY) + { + if (idx >= vec_len (cmt->keys)) + return; + + ckey = pool_elt_at_index (cmt->keys, idx); + + cryptodev_session_del (ckey->keys[0]); + cryptodev_session_del (ckey->keys[1]); + ckey->keys[0] = 0; + ckey->keys[1] = 0; + } + else /* create key */ + pool_get_zero (cmt->keys, ckey); + + /* do not create session for unsupported alg */ + if (cryptodev_check_supported_vnet_alg (key)) + return; + + numa_data = vec_elt_at_index (cmt->per_numa_data, vm->numa_node); + sess_pool = numa_data->sess_pool; + sess_priv_pool = numa_data->sess_priv_pool; + + ckey->keys[0] = rte_cryptodev_sym_session_create (sess_pool); + if (!ckey->keys[0]) + { + ret = -1; + goto clear_key; + } + + ckey->keys[1] = rte_cryptodev_sym_session_create (sess_pool); + if (!ckey->keys[1]) + { + ret = -1; + goto clear_key; + } + + ret = cryptodev_session_create (key, sess_priv_pool, ckey, aad_len); + +clear_key: + if (ret != 0) + { + cryptodev_session_del (ckey->keys[0]); + cryptodev_session_del (ckey->keys[1]); + memset (ckey, 0, sizeof (*ckey)); + pool_put (cmt->keys, ckey); + } +} + +/*static*/ void +cryptodev_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop, + vnet_crypto_key_index_t idx) +{ + cryptodev_sess_handler (vm, kop, idx, 8); +} + +static_always_inline void +cryptodev_mark_frame_err_status (vnet_crypto_async_frame_t * f, + vnet_crypto_op_status_t s) +{ + u32 n_elts = f->n_elts, i; + + for (i = 0; i < n_elts; i++) + f->elts[i].status = s; + f->state = VNET_CRYPTO_FRAME_STATE_ELT_ERROR; +} + +/* when vlib_buffer in chain is adjusted mbuf is not adjusted along, this + * function does that */ +static_always_inline rte_iova_t +cryptodev_validate_mbuf_chain (vlib_main_t * vm, struct rte_mbuf *mb, + vlib_buffer_t * b, u8 * digest) +{ + rte_iova_t digest_iova = 0; + struct rte_mbuf *first_mb = mb, *last_mb = mb; /**< last mbuf */ + + first_mb->nb_segs = 1; + + while (b->flags & VLIB_BUFFER_NEXT_PRESENT) + { + b = vlib_get_buffer (vm, b->next_buffer); + mb = rte_mbuf_from_vlib_buffer (b); + if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_EXT_HDR_VALID) == 0)) + rte_pktmbuf_reset (mb); + last_mb->next = mb; + last_mb = mb; + mb->data_len = b->current_length; + mb->pkt_len = b->current_length; + mb->data_off = VLIB_BUFFER_PRE_DATA_SIZE + b->current_data; + first_mb->nb_segs++; + if (PREDICT_FALSE (b->ref_count > 1)) + mb->pool = + dpdk_no_cache_mempool_by_buffer_pool_index[b->buffer_pool_index]; + + if (b->data <= digest && + b->data + b->current_data + b->current_length > digest) + digest_iova = rte_pktmbuf_iova (mb) + digest - + rte_pktmbuf_mtod (mb, u8 *); + } + + return digest_iova; +} + +static_always_inline int +cryptodev_frame_linked_algs_enqueue (vlib_main_t * vm, + vnet_crypto_async_frame_t * frame, + cryptodev_op_type_t op_type, + u32 digest_len) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node; + cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index; + vnet_crypto_async_frame_elt_t *fe; + cryptodev_op_t **cop; + u32 *bi; + u32 n_enqueue, n_elts; + cryptodev_key_t *key = 0; + u32 last_key_index = ~0; + + if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0)) + return -1; + n_elts = frame->n_elts; + + if (PREDICT_FALSE (CRYPTODEV_NB_CRYPTO_OPS - cet->inflight < n_elts)) + { + cryptodev_mark_frame_err_status (frame, + VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + + if (PREDICT_FALSE (rte_mempool_get_bulk (numa->cop_pool, + (void **) cet->cops, n_elts) < 0)) + { + cryptodev_mark_frame_err_status (frame, + VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + + cop = cet->cops; + fe = frame->elts; + bi = frame->buffer_indices; + cop[0]->frame = frame; + cop[0]->n_elts = n_elts; + + while (n_elts) + { + vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]); + struct rte_crypto_sym_op *sop = &cop[0]->sop; + i16 crypto_offset = fe->crypto_start_offset; + i16 integ_offset = fe->integ_start_offset; + u32 offset_diff = crypto_offset - integ_offset; + + if (n_elts > 2) + { + CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE); + CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE); + CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD); + } + if (last_key_index != fe->key_index) + { + key = pool_elt_at_index (cmt->keys, fe->key_index); + last_key_index = fe->key_index; + } + + sop->m_src = rte_mbuf_from_vlib_buffer (b); + sop->m_dst = 0; + /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes, + * so we have to manually adjust mbuf data_off here so cryptodev can + * correctly compute the data pointer. The prepend here will be later + * rewritten by tx. */ + if (PREDICT_TRUE (fe->integ_start_offset < 0)) + { + rte_pktmbuf_prepend (sop->m_src, -fe->integ_start_offset); + integ_offset = 0; + crypto_offset = offset_diff; + } + sop->session = key->keys[op_type]; + sop->cipher.data.offset = crypto_offset; + sop->cipher.data.length = fe->crypto_total_length; + sop->auth.data.offset = integ_offset; + sop->auth.data.length = fe->crypto_total_length + fe->integ_length_adj; + sop->auth.digest.data = fe->digest; + if (PREDICT_TRUE (!(fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))) + sop->auth.digest.phys_addr = rte_pktmbuf_iova (sop->m_src) + + fe->digest - rte_pktmbuf_mtod (sop->m_src, u8 *); + else + sop->auth.digest.phys_addr = + cryptodev_validate_mbuf_chain (vm, sop->m_src, b, fe->digest); + clib_memcpy_fast (cop[0]->iv, fe->iv, 16); + cop++; + bi++; + fe++; + n_elts--; + } + + n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id, + cet->cryptodev_q, + (struct rte_crypto_op **) + cet->cops, frame->n_elts); + ASSERT (n_enqueue == frame->n_elts); + cet->inflight += n_enqueue; + + return 0; +} + +static_always_inline int +cryptodev_frame_gcm_enqueue (vlib_main_t * vm, + vnet_crypto_async_frame_t * frame, + cryptodev_op_type_t op_type, u8 aad_len) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node; + cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index; + vnet_crypto_async_frame_elt_t *fe; + cryptodev_op_t **cop; + u32 *bi; + u32 n_enqueue = 0, n_elts; + cryptodev_key_t *key = 0; + u32 last_key_index = ~0; + + if (PREDICT_FALSE (frame == 0 || frame->n_elts == 0)) + return -1; + n_elts = frame->n_elts; + + if (PREDICT_FALSE (CRYPTODEV_NB_CRYPTO_OPS - cet->inflight < n_elts)) + { + cryptodev_mark_frame_err_status (frame, + VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + + if (PREDICT_FALSE (rte_mempool_get_bulk (numa->cop_pool, + (void **) cet->cops, n_elts) < 0)) + { + cryptodev_mark_frame_err_status (frame, + VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + + cop = cet->cops; + fe = frame->elts; + bi = frame->buffer_indices; + cop[0]->frame = frame; + cop[0]->n_elts = n_elts; + frame->state = VNET_CRYPTO_OP_STATUS_COMPLETED; + + while (n_elts) + { + vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]); + struct rte_crypto_sym_op *sop = &cop[0]->sop; + u16 crypto_offset = fe->crypto_start_offset; + + if (n_elts > 2) + { + CLIB_PREFETCH (cop[1], CLIB_CACHE_LINE_BYTES * 3, STORE); + CLIB_PREFETCH (cop[2], CLIB_CACHE_LINE_BYTES * 3, STORE); + CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD); + CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD); + } + if (last_key_index != fe->key_index) + { + u8 sess_aad_len; + key = pool_elt_at_index (cmt->keys, fe->key_index); + sess_aad_len = (u8) key->keys[op_type]->opaque_data; + if (PREDICT_FALSE (sess_aad_len != aad_len)) + { + cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_MODIFY, + fe->key_index, aad_len); + } + last_key_index = fe->key_index; + } + + sop->m_src = rte_mbuf_from_vlib_buffer (b); + sop->m_dst = 0; + /* mbuf prepend happens in the tx, but vlib_buffer happens in the nodes, + * so we have to manually adjust mbuf data_off here so cryptodev can + * correctly compute the data pointer. The prepend here will be later + * rewritten by tx. */ + if (PREDICT_FALSE (fe->crypto_start_offset < 0)) + { + rte_pktmbuf_prepend (sop->m_src, -fe->crypto_start_offset); + crypto_offset = 0; + } + + sop->session = key->keys[op_type]; + sop->aead.aad.data = cop[0]->aad; + sop->aead.aad.phys_addr = cop[0]->op.phys_addr + CRYPTODEV_AAD_OFFSET; + sop->aead.data.length = fe->crypto_total_length; + sop->aead.data.offset = crypto_offset; + sop->aead.digest.data = fe->tag; + if (PREDICT_TRUE (!(fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))) + sop->aead.digest.phys_addr = rte_pktmbuf_iova (sop->m_src) + + fe->tag - rte_pktmbuf_mtod (sop->m_src, u8 *); + else + sop->aead.digest.phys_addr = + cryptodev_validate_mbuf_chain (vm, sop->m_src, b, fe->tag); + clib_memcpy_fast (cop[0]->iv, fe->iv, 12); + clib_memcpy_fast (cop[0]->aad, fe->aad, aad_len); + cop++; + bi++; + fe++; + n_elts--; + } + + n_enqueue = rte_cryptodev_enqueue_burst (cet->cryptodev_id, + cet->cryptodev_q, + (struct rte_crypto_op **) + cet->cops, frame->n_elts); + ASSERT (n_enqueue == frame->n_elts); + cet->inflight += n_enqueue; + + return 0; +} + +static_always_inline cryptodev_op_t * +cryptodev_get_ring_head (struct rte_ring * ring) +{ + cryptodev_op_t **r = (void *) &ring[1]; + return r[ring->cons.head & ring->mask]; +} + +static_always_inline vnet_crypto_async_frame_t * +cryptodev_frame_dequeue (vlib_main_t * vm) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa = cmt->per_numa_data + vm->numa_node; + cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index; + cryptodev_op_t *cop0, **cop = cet->cops; + vnet_crypto_async_frame_elt_t *fe; + vnet_crypto_async_frame_t *frame; + u32 n_elts, n_completed_ops = rte_ring_count (cet->ring); + u32 ss0 = 0, ss1 = 0, ss2 = 0, ss3 = 0; /* sum of status */ + + if (cet->inflight) + { + n_elts = clib_min (CRYPTODEV_NB_CRYPTO_OPS - n_completed_ops, + VNET_CRYPTO_FRAME_SIZE); + n_elts = rte_cryptodev_dequeue_burst + (cet->cryptodev_id, cet->cryptodev_q, + (struct rte_crypto_op **) cet->cops, n_elts); + cet->inflight -= n_elts; + n_completed_ops += n_elts; + + rte_ring_sp_enqueue_burst (cet->ring, (void *) cet->cops, n_elts, NULL); + } + + if (PREDICT_FALSE (n_completed_ops == 0)) + return 0; + + cop0 = cryptodev_get_ring_head (cet->ring); + /* not a single frame is finished */ + if (PREDICT_FALSE (cop0->n_elts > rte_ring_count (cet->ring))) + return 0; + + frame = cop0->frame; + n_elts = cop0->n_elts; + n_elts = rte_ring_sc_dequeue_bulk (cet->ring, (void **) cet->cops, + n_elts, 0); + fe = frame->elts; + + while (n_elts > 4) + { + ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status]; + ss1 |= fe[1].status = cryptodev_status_conversion[cop[1]->op.status]; + ss2 |= fe[2].status = cryptodev_status_conversion[cop[2]->op.status]; + ss3 |= fe[3].status = cryptodev_status_conversion[cop[3]->op.status]; + + cop += 4; + fe += 4; + n_elts -= 4; + } + + while (n_elts) + { + ss0 |= fe[0].status = cryptodev_status_conversion[cop[0]->op.status]; + fe++; + cop++; + n_elts--; + } + + frame->state = (ss0 | ss1 | ss2 | ss3) == VNET_CRYPTO_OP_STATUS_COMPLETED ? + VNET_CRYPTO_FRAME_STATE_SUCCESS : VNET_CRYPTO_FRAME_STATE_ELT_ERROR; + + rte_mempool_put_bulk (numa->cop_pool, (void **) cet->cops, frame->n_elts); + + return frame; +} + +/* *INDENT-OFF* */ + +#define _(a, b, c, d, e, f) \ +static_always_inline int \ +cryptodev_enqueue_##a##_AAD##f##_enc (vlib_main_t * vm, \ + vnet_crypto_async_frame_t * frame) \ +{ \ + return cryptodev_frame_gcm_enqueue (vm, frame, \ + CRYPTODEV_OP_TYPE_ENCRYPT, f); \ +} \ +static_always_inline int \ +cryptodev_enqueue_##a##_AAD##f##_dec (vlib_main_t * vm, \ + vnet_crypto_async_frame_t * frame) \ +{ \ + return cryptodev_frame_gcm_enqueue (vm, frame, \ + CRYPTODEV_OP_TYPE_DECRYPT, f); \ +} + +foreach_vnet_aead_crypto_conversion +#undef _ + +#define _(a, b, c, d) \ +static_always_inline int \ +cryptodev_enqueue_##a##_##c##_TAG##d##_enc (vlib_main_t * vm, \ + vnet_crypto_async_frame_t * frame) \ +{ \ + return cryptodev_frame_linked_algs_enqueue (vm, frame, \ + CRYPTODEV_OP_TYPE_ENCRYPT, d); \ +} \ +static_always_inline int \ +cryptodev_enqueue_##a##_##c##_TAG##d##_dec (vlib_main_t * vm, \ + vnet_crypto_async_frame_t * frame) \ +{ \ + return cryptodev_frame_linked_algs_enqueue (vm, frame, \ + CRYPTODEV_OP_TYPE_DECRYPT, d); \ +} + +foreach_cryptodev_link_async_alg +#undef _ + +typedef enum +{ + CRYPTODEV_RESOURCE_ASSIGN_AUTO = 0, + CRYPTODEV_RESOURCE_ASSIGN_UPDATE, +} cryptodev_resource_assign_op_t; + +/** + * assign a cryptodev resource to a worker. + * @param cet: the worker thread data + * @param cryptodev_inst_index: if op is "ASSIGN_AUTO" this param is ignored. + * @param op: the assignment method. + * @return: 0 if successfully, negative number otherwise. + **/ +static_always_inline int +cryptodev_assign_resource (cryptodev_engine_thread_t * cet, + u32 cryptodev_inst_index, + cryptodev_resource_assign_op_t op) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_inst_t *cinst = 0; + uword idx; + + /* assign resource is only allowed when no inflight op is in the queue */ + if (cet->inflight) + return -EBUSY; + + switch (op) + { + case CRYPTODEV_RESOURCE_ASSIGN_AUTO: + if (clib_bitmap_count_set_bits (cmt->active_cdev_inst_mask) >= + vec_len (cmt->cryptodev_inst)) + return -1; + + clib_spinlock_lock (&cmt->tlock); + idx = clib_bitmap_first_clear (cmt->active_cdev_inst_mask); + clib_bitmap_set (cmt->active_cdev_inst_mask, idx, 1); + cinst = vec_elt_at_index (cmt->cryptodev_inst, idx); + cet->cryptodev_id = cinst->dev_id; + cet->cryptodev_q = cinst->q_id; + clib_spinlock_unlock (&cmt->tlock); + break; + case CRYPTODEV_RESOURCE_ASSIGN_UPDATE: + /* assigning a used cryptodev resource is not allowed */ + if (clib_bitmap_get (cmt->active_cdev_inst_mask, cryptodev_inst_index) + == 1) + return -EBUSY; + vec_foreach_index (idx, cmt->cryptodev_inst) + { + cinst = cmt->cryptodev_inst + idx; + if (cinst->dev_id == cet->cryptodev_id && + cinst->q_id == cet->cryptodev_q) + break; + } + /* invalid existing worker resource assignment */ + if (idx == vec_len (cmt->cryptodev_inst)) + return -EINVAL; + clib_spinlock_lock (&cmt->tlock); + clib_bitmap_set_no_check (cmt->active_cdev_inst_mask, idx, 0); + clib_bitmap_set_no_check (cmt->active_cdev_inst_mask, + cryptodev_inst_index, 1); + cinst = cmt->cryptodev_inst + cryptodev_inst_index; + cet->cryptodev_id = cinst->dev_id; + cet->cryptodev_q = cinst->q_id; + clib_spinlock_unlock (&cmt->tlock); + break; + default: + return -EINVAL; + } + return 0; +} + +static u8 * +format_cryptodev_inst (u8 * s, va_list * args) +{ + cryptodev_main_t *cmt = &cryptodev_main; + u32 inst = va_arg (*args, u32); + cryptodev_inst_t *cit = cmt->cryptodev_inst + inst; + u32 thread_index = 0; + struct rte_cryptodev_info info; + + rte_cryptodev_info_get (cit->dev_id, &info); + s = format (s, "%-25s%-10u", info.device->name, cit->q_id); + + vec_foreach_index (thread_index, cmt->per_thread_data) + { + cryptodev_engine_thread_t *cet = cmt->per_thread_data + thread_index; + if (vlib_num_workers () > 0 && thread_index == 0) + continue; + + if (cet->cryptodev_id == cit->dev_id && cet->cryptodev_q == cit->q_id) + { + s = format (s, "%u (%v)\n", thread_index, + vlib_worker_threads[thread_index].name); + break; + } + } + + if (thread_index == vec_len (cmt->per_thread_data)) + s = format (s, "%s\n", "free"); + + return s; +} + +static clib_error_t * +cryptodev_show_assignment_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + cryptodev_main_t *cmt = &cryptodev_main; + u32 inst; + + vlib_cli_output (vm, "%-5s%-25s%-10s%s\n", "No.", "Name", "Queue-id", + "Assigned-to"); + if (vec_len (cmt->cryptodev_inst) == 0) + { + vlib_cli_output (vm, "(nil)\n"); + return 0; + } + + vec_foreach_index (inst, cmt->cryptodev_inst) + vlib_cli_output (vm, "%-5u%U", inst, format_cryptodev_inst, inst); + + return 0; +} + +VLIB_CLI_COMMAND (show_cryptodev_assignment, static) = { + .path = "show cryptodev assignment", + .short_help = "show cryptodev assignment", + .function = cryptodev_show_assignment_fn, +}; + +static clib_error_t * +cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_engine_thread_t *cet; + unformat_input_t _line_input, *line_input = &_line_input; + u32 thread_index, inst_index; + u32 thread_present = 0, inst_present = 0; + clib_error_t *error = 0; + int ret; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "thread %u", &thread_index)) + thread_present = 1; + else if (unformat (line_input, "resource %u", &inst_index)) + inst_present = 1; + else + { + error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, line_input); + return error; + } + } + + if (!thread_present || !inst_present) + { + error = clib_error_return (0, "mandatory argument(s) missing"); + return error; + } + + if (thread_index == 0 && vlib_num_workers () > 0) + { + error = + clib_error_return (0, "assign crypto resource for master thread"); + return error; + } + + if (thread_index > vec_len (cmt->per_thread_data) || + inst_index > vec_len (cmt->cryptodev_inst)) + { + error = clib_error_return (0, "wrong thread id or resource id"); + return error; + } + + cet = cmt->per_thread_data + thread_index; + ret = cryptodev_assign_resource (cet, inst_index, + CRYPTODEV_RESOURCE_ASSIGN_UPDATE); + if (ret) + { + error = clib_error_return (0, "cryptodev_assign_resource returned %i", + ret); + return error; + } + + return 0; +} + +VLIB_CLI_COMMAND (set_cryptodev_assignment, static) = { + .path = "set cryptodev assignment", + .short_help = "set cryptodev assignment thread <thread_index> " + "resource <inst_index>", + .function = cryptodev_set_assignment_fn, +}; + +static int +check_cryptodev_alg_support (u32 dev_id) +{ + const struct rte_cryptodev_symmetric_capability *cap; + struct rte_cryptodev_sym_capability_idx cap_idx; + +#define _(a, b, c, d, e, f) \ + cap_idx.type = RTE_CRYPTO_SYM_XFORM_##b; \ + cap_idx.algo.aead = RTE_CRYPTO_##b##_##c; \ + cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \ + if (!cap) \ + return -RTE_CRYPTO_##b##_##c; \ + else \ + { \ + if (cap->aead.digest_size.min > e || cap->aead.digest_size.max < e) \ + return -RTE_CRYPTO_##b##_##c; \ + if (cap->aead.aad_size.min > f || cap->aead.aad_size.max < f) \ + return -RTE_CRYPTO_##b##_##c; \ + if (cap->aead.iv_size.min > d || cap->aead.iv_size.max < d) \ + return -RTE_CRYPTO_##b##_##c; \ + } + + foreach_vnet_aead_crypto_conversion +#undef _ + +#define _(a, b, c, d) \ + cap_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER; \ + cap_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b; \ + cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \ + if (!cap) \ + return -RTE_CRYPTO_CIPHER_##b; \ + cap_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH; \ + cap_idx.algo.auth = RTE_CRYPTO_AUTH_##c##_HMAC; \ + cap = rte_cryptodev_sym_capability_get (dev_id, &cap_idx); \ + if (!cap) \ + return -RTE_CRYPTO_AUTH_##c; + + foreach_cryptodev_link_async_alg +#undef _ + return 0; +} + +static u32 +cryptodev_count_queue (u32 numa) +{ + struct rte_cryptodev_info info; + u32 n_cryptodev = rte_cryptodev_count (); + u32 i, q_count = 0; + + for (i = 0; i < n_cryptodev; i++) + { + rte_cryptodev_info_get (i, &info); + if (rte_cryptodev_socket_id (i) != numa) + { + clib_warning ("DPDK crypto resource %s is in different numa node " + "as %u, ignored", info.device->name, numa); + continue; + } + q_count += info.max_nb_queue_pairs; + } + + return q_count; +} + +static int +cryptodev_configure (vlib_main_t *vm, uint32_t cryptodev_id) +{ + struct rte_cryptodev_info info; + struct rte_cryptodev *cdev; + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa_data = vec_elt_at_index (cmt->per_numa_data, + vm->numa_node); + u32 i; + int ret; + + cdev = rte_cryptodev_pmd_get_dev (cryptodev_id); + rte_cryptodev_info_get (cryptodev_id, &info); + + ret = check_cryptodev_alg_support (cryptodev_id); + if (ret != 0) + return ret; + + /** If the device is already started, we reuse it, otherwise configure + * both the device and queue pair. + **/ + if (!cdev->data->dev_started) + { + struct rte_cryptodev_config cfg; + + cfg.socket_id = vm->numa_node; + cfg.nb_queue_pairs = info.max_nb_queue_pairs; + + rte_cryptodev_configure (cryptodev_id, &cfg); + + for (i = 0; i < info.max_nb_queue_pairs; i++) + { + struct rte_cryptodev_qp_conf qp_cfg; + + int ret; + + qp_cfg.mp_session = numa_data->sess_pool; + qp_cfg.mp_session_private = numa_data->sess_priv_pool; + qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS; + + ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg, + vm->numa_node); + if (ret) + break; + } + if (i != info.max_nb_queue_pairs) + return -1; + /* start the device */ + rte_cryptodev_start (i); + } + + for (i = 0; i < info.max_nb_queue_pairs; i++) + { + cryptodev_inst_t *cdev_inst; + vec_add2(cmt->cryptodev_inst, cdev_inst, 1); + cdev_inst->desc = vec_new (char, strlen (info.device->name) + 10); + cdev_inst->dev_id = cryptodev_id; + cdev_inst->q_id = i; + + snprintf (cdev_inst->desc, strlen (info.device->name) + 9, + "%s_q%u", info.device->name, i); + } + + return 0; +} + +static int +cryptodev_create_device (vlib_main_t *vm, u32 n_queues) +{ + char name[RTE_CRYPTODEV_NAME_MAX_LEN], args[128]; + u32 dev_id = 0; + int ret; + + /* find an unused name to create the device */ + while (dev_id < RTE_CRYPTO_MAX_DEVS) + { + snprintf (name, RTE_CRYPTODEV_NAME_MAX_LEN - 1, "%s%u", + RTE_STR (CRYPTODEV_DEF_DRIVE), dev_id); + if (rte_cryptodev_get_dev_id (name) < 0) + break; + dev_id++; + } + + if (dev_id == RTE_CRYPTO_MAX_DEVS) + return -1; + + snprintf (args, 127, "socket_id=%u,max_nb_queue_pairs=%u", + vm->numa_node, n_queues); + + ret = rte_vdev_init(name, args); + if (ret < 0) + return ret; + + clib_warning ("Created cryptodev device %s (%s)", name, args); + + return 0; +} + +static int +cryptodev_probe (vlib_main_t *vm, u32 n_workers) +{ + u32 n_queues = cryptodev_count_queue (vm->numa_node); + u32 i; + int ret; + + /* create an AESNI_MB PMD so the service is available */ + if (n_queues < n_workers) + { + u32 q_num = max_pow2 (n_workers - n_queues); + ret = cryptodev_create_device (vm, q_num); + if (ret < 0) + return ret; + } + + for (i = 0; i < rte_cryptodev_count (); i++) + { + ret = cryptodev_configure (vm, i); + if (ret) + return ret; + } + + return 0; +} + +static int +cryptodev_get_session_sz (vlib_main_t *vm, uint32_t n_workers) +{ + u32 sess_data_sz = 0, i; + int ret; + + if (rte_cryptodev_count () == 0) + { + clib_warning ("No cryptodev device available, creating..."); + ret = cryptodev_create_device (vm, max_pow2 (n_workers)); + if (ret < 0) + { + clib_warning ("Failed"); + return ret; + } + } + + for (i = 0; i < rte_cryptodev_count (); i++) + { + u32 dev_sess_sz = rte_cryptodev_sym_get_private_session_size (i); + + sess_data_sz = dev_sess_sz > sess_data_sz ? dev_sess_sz : sess_data_sz; + } + + return sess_data_sz; +} + +static void +dpdk_disable_cryptodev_engine (vlib_main_t * vm) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_numa_data_t *numa_data; + + vec_validate (cmt->per_numa_data, vm->numa_node); + numa_data = vec_elt_at_index (cmt->per_numa_data, vm->numa_node); + + if (numa_data->sess_pool) + rte_mempool_free (numa_data->sess_pool); + if (numa_data->sess_priv_pool) + rte_mempool_free (numa_data->sess_priv_pool); + if (numa_data->cop_pool) + rte_mempool_free (numa_data->cop_pool); +} + +static void +crypto_op_init (struct rte_mempool *mempool, + void *_arg __attribute__ ((unused)), + void *_obj, unsigned i __attribute__ ((unused))) +{ + struct rte_crypto_op *op = _obj; + + op->sess_type = RTE_CRYPTO_OP_WITH_SESSION; + op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; + op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; + op->phys_addr = rte_mempool_virt2iova (_obj); + op->mempool = mempool; +} + + +clib_error_t * +dpdk_cryptodev_init (vlib_main_t * vm) +{ + cryptodev_main_t *cmt = &cryptodev_main; + vlib_thread_main_t *tm = vlib_get_thread_main (); + cryptodev_engine_thread_t *ptd; + cryptodev_numa_data_t *numa_data; + struct rte_mempool *mp; + u32 skip_master = vlib_num_workers () > 0; + u32 n_workers = tm->n_vlib_mains - skip_master; + u32 numa = vm->numa_node; + i32 sess_sz; + u32 n_cop_elts; + u32 eidx; + u32 i; + u8 *name = 0; + clib_error_t *error; + struct rte_crypto_op_pool_private *priv; + + sess_sz = cryptodev_get_session_sz(vm, n_workers); + if (sess_sz < 0) + { + error = clib_error_return (0, "Not enough cryptodevs"); + return error; + } + + /* A total of 4 times n_worker threads * frame size as crypto ops */ + n_cop_elts = max_pow2 (n_workers * CRYPTODEV_NB_CRYPTO_OPS); + + vec_validate (cmt->per_numa_data, vm->numa_node); + numa_data = vec_elt_at_index (cmt->per_numa_data, numa); + + /* create session pool for the numa node */ + name = format (0, "vcryptodev_sess_pool_%u", numa); + mp = rte_cryptodev_sym_session_pool_create ((char *) name, + CRYPTODEV_NB_SESSION, + 0, 0, 0, numa); + if (!mp) + { + error = clib_error_return (0, "Not enough memory for mp %s", name); + goto err_handling; + } + vec_free (name); + + numa_data->sess_pool = mp; + + /* create session private pool for the numa node */ + name = format (0, "cryptodev_sess_pool_%u", numa); + mp = rte_mempool_create ((char *) name, CRYPTODEV_NB_SESSION, sess_sz, 0, + 0, NULL, NULL, NULL, NULL, numa, 0); + if (!mp) + { + error = clib_error_return (0, "Not enough memory for mp %s", name); + vec_free (name); + goto err_handling; + } + + vec_free (name); + + numa_data->sess_priv_pool = mp; + + /* create cryptodev op pool */ + name = format (0, "cryptodev_op_pool_%u", numa); + + mp = rte_mempool_create ((char *) name, n_cop_elts, + sizeof (cryptodev_op_t), VLIB_FRAME_SIZE * 2, + sizeof (struct rte_crypto_op_pool_private), NULL, + NULL, crypto_op_init, NULL, numa, 0); + if (!mp) + { + error = clib_error_return (0, "Not enough memory for mp %s", name); + vec_free (name); + goto err_handling; + } + + priv = rte_mempool_get_priv (mp); + priv->priv_size = sizeof (struct rte_crypto_op_pool_private); + priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC; + vec_free (name); + numa_data->cop_pool = mp; + + /* probe all cryptodev devices and get queue info */ + if (cryptodev_probe (vm, n_workers) < 0) + { + error = clib_error_return (0, "Failed to configure cryptodev"); + goto err_handling; + } + + clib_bitmap_vec_validate (cmt->active_cdev_inst_mask, tm->n_vlib_mains); + clib_spinlock_init (&cmt->tlock); + + vec_validate_aligned(cmt->per_thread_data, tm->n_vlib_mains - 1, + CLIB_CACHE_LINE_BYTES); + for (i = skip_master; i < tm->n_vlib_mains; i++) + { + ptd = cmt->per_thread_data + i; + cryptodev_assign_resource (ptd, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO); + name = format (0, "frames_ring_%u", i); + ptd->ring = rte_ring_create((char *) name, CRYPTODEV_NB_CRYPTO_OPS, + vm->numa_node, RING_F_SP_ENQ|RING_F_SC_DEQ); + if (!ptd->ring) + { + error = clib_error_return (0, "Not enough memory for mp %s", name); + vec_free (name); + goto err_handling; + } + vec_validate (ptd->cops, VNET_CRYPTO_FRAME_SIZE - 1); + vec_free(name); + } + + /* register handler */ + eidx = vnet_crypto_register_engine (vm, "dpdk_cryptodev", 79, + "DPDK Cryptodev Engine"); + +#define _(a, b, c, d, e, f) \ + vnet_crypto_register_async_handler \ + (vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC, \ + cryptodev_enqueue_##a##_AAD##f##_enc, \ + cryptodev_frame_dequeue); \ + vnet_crypto_register_async_handler \ + (vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC, \ + cryptodev_enqueue_##a##_AAD##f##_dec, \ + cryptodev_frame_dequeue); + + foreach_vnet_aead_crypto_conversion +#undef _ + +#define _(a, b, c, d) \ + vnet_crypto_register_async_handler \ + (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_ENC, \ + cryptodev_enqueue_##a##_##c##_TAG##d##_enc, \ + cryptodev_frame_dequeue); \ + vnet_crypto_register_async_handler \ + (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_DEC, \ + cryptodev_enqueue_##a##_##c##_TAG##d##_dec, \ + cryptodev_frame_dequeue); + + foreach_cryptodev_link_async_alg +#undef _ + + vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler); + + return 0; + +err_handling: + dpdk_disable_cryptodev_engine (vm); + + return error; +} +/* *INDENT-On* */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |