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-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev.c1377
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:
+ */