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Diffstat (limited to 'src/plugins/dpdk/cryptodev/cryptodev_dp_api.c')
-rw-r--r--src/plugins/dpdk/cryptodev/cryptodev_dp_api.c1879
1 files changed, 0 insertions, 1879 deletions
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c b/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c
deleted file mode 100644
index 81f386c5c22..00000000000
--- a/src/plugins/dpdk/cryptodev/cryptodev_dp_api.c
+++ /dev/null
@@ -1,1879 +0,0 @@
-/*
- *------------------------------------------------------------------
- * 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/ipsec/ipsec.h>
-#include <vpp/app/version.h>
-
-#include <dpdk/buffer.h>
-#include <dpdk/device/dpdk.h>
-#include <dpdk/device/dpdk_priv.h>
-#undef always_inline
-#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>
-
-#if CLIB_DEBUG > 0
-#define always_inline static inline
-#else
-#define always_inline static inline __attribute__ ((__always_inline__))
-#endif
-
-#define CRYPTODEV_NB_CRYPTO_OPS 1024
-#define CRYPTODEV_MAX_INFLIGHT (CRYPTODEV_NB_CRYPTO_OPS - 1)
-#define CRYPTODEV_AAD_MASK (CRYPTODEV_NB_CRYPTO_OPS - 1)
-#define CRYPTODEV_DEQ_CACHE_SZ 32
-#define CRYPTODEV_NB_SESSION 10240
-#define CRYPTODEV_MAX_AAD_SIZE 16
-#define CRYPTODEV_MAX_N_SGL 8 /**< maximum number of segments */
-
-/* VNET_CRYPTO_ALGO, TYPE, DPDK_CRYPTO_ALGO, IV_LEN, TAG_LEN, AAD_LEN, KEY_LEN
- */
-#define foreach_vnet_aead_crypto_conversion \
- _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 8, 16) \
- _ (AES_128_GCM, AEAD, AES_GCM, 12, 16, 12, 16) \
- _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 8, 24) \
- _ (AES_192_GCM, AEAD, AES_GCM, 12, 16, 12, 24) \
- _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 8, 32) \
- _ (AES_256_GCM, AEAD, AES_GCM, 12, 16, 12, 32)
-
-/**
- * crypto (alg, cryptodev_alg, key_size), hash (alg, digest-size)
- **/
-#define foreach_cryptodev_link_async_alg \
- _ (AES_128_CBC, AES_CBC, 16, SHA1, 12) \
- _ (AES_192_CBC, AES_CBC, 24, SHA1, 12) \
- _ (AES_256_CBC, AES_CBC, 32, SHA1, 12) \
- _ (AES_128_CBC, AES_CBC, 16, SHA224, 14) \
- _ (AES_192_CBC, AES_CBC, 24, SHA224, 14) \
- _ (AES_256_CBC, AES_CBC, 32, SHA224, 14) \
- _ (AES_128_CBC, AES_CBC, 16, SHA256, 16) \
- _ (AES_192_CBC, AES_CBC, 24, SHA256, 16) \
- _ (AES_256_CBC, AES_CBC, 32, SHA256, 16) \
- _ (AES_128_CBC, AES_CBC, 16, SHA384, 24) \
- _ (AES_192_CBC, AES_CBC, 24, SHA384, 24) \
- _ (AES_256_CBC, AES_CBC, 32, SHA384, 24) \
- _ (AES_128_CBC, AES_CBC, 16, SHA512, 32) \
- _ (AES_192_CBC, AES_CBC, 24, SHA512, 32) \
- _ (AES_256_CBC, AES_CBC, 32, SHA512, 32)
-
-typedef enum
-{
- CRYPTODEV_OP_TYPE_ENCRYPT = 0,
- CRYPTODEV_OP_TYPE_DECRYPT,
- CRYPTODEV_N_OP_TYPES,
-} cryptodev_op_type_t;
-
-typedef struct
-{
- union rte_cryptodev_session_ctx **keys;
-} cryptodev_key_t;
-
-/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
- * in favor of vpp vector */
-typedef struct
-{
- enum rte_crypto_sym_xform_type xform_type;
- union
- {
- struct
- {
- enum rte_crypto_auth_algorithm algo; /*auth algo */
- u32 *digest_sizes; /* vector of auth digest sizes */
- } auth;
- struct
- {
- enum rte_crypto_cipher_algorithm algo; /* cipher algo */
- u32 *key_sizes; /* vector of cipher key sizes */
- } cipher;
- struct
- {
- enum rte_crypto_aead_algorithm algo; /* aead algo */
- u32 *key_sizes; /*vector of aead key sizes */
- u32 *aad_sizes; /*vector of aad sizes */
- u32 *digest_sizes; /* vector of aead digest sizes */
- } aead;
- };
-} cryptodev_capability_t;
-
-typedef struct
-{
- u32 dev_id;
- u32 q_id;
- char *desc;
-} cryptodev_inst_t;
-
-typedef struct
-{
- struct rte_mempool *sess_pool;
- struct rte_mempool *sess_priv_pool;
-} cryptodev_numa_data_t;
-
-typedef struct
-{
- CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
- vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE];
- struct rte_crypto_raw_dp_ctx *ctx;
- struct rte_crypto_vec vec[CRYPTODEV_MAX_N_SGL];
- struct rte_ring *cached_frame;
- u16 aad_index;
- u8 *aad_buf;
- u64 aad_phy_addr;
- u16 cryptodev_id;
- u16 cryptodev_q;
- u16 inflight;
- union rte_cryptodev_session_ctx reset_sess; /* session data for reset ctx */
-} cryptodev_engine_thread_t;
-
-typedef struct
-{
- cryptodev_numa_data_t *per_numa_data;
- cryptodev_key_t *keys;
- cryptodev_engine_thread_t *per_thread_data;
- enum rte_iova_mode iova_mode;
- cryptodev_inst_t *cryptodev_inst;
- clib_bitmap_t *active_cdev_inst_mask;
- clib_spinlock_t tlock;
- cryptodev_capability_t *supported_caps;
-} cryptodev_main_t;
-
-cryptodev_main_t cryptodev_main;
-
-static_always_inline 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 = 0;
- aead_xform->iv.length = 12;
- aead_xform->key.data = key->data;
- aead_xform->key.length = vec_len (key->data);
-
- return 0;
-}
-
-static_always_inline 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, e) \
- case VNET_CRYPTO_ALG_##a##_##d##_TAG##e: \
- cipher_algo = RTE_CRYPTO_CIPHER_##b; \
- auth_algo = RTE_CRYPTO_AUTH_##d##_HMAC; \
- digest_len = e; \
- 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 = 0;
-
- 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_always_inline 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_always_inline int
-cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
- u32 aad_len)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_numa_data_t *numa_data;
- cryptodev_inst_t *dev_inst;
- vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
- struct rte_mempool *sess_pool, *sess_priv_pool;
- cryptodev_key_t *ckey = vec_elt_at_index (cmt->keys, idx);
- struct rte_crypto_sym_xform xforms_enc[2] = { { 0 } };
- struct rte_crypto_sym_xform xforms_dec[2] = { { 0 } };
- struct rte_cryptodev_sym_session *sessions[CRYPTODEV_N_OP_TYPES] = { 0 };
- u32 numa_node = vm->numa_node;
- int ret;
-
- numa_data = vec_elt_at_index (cmt->per_numa_data, numa_node);
- sess_pool = numa_data->sess_pool;
- sess_priv_pool = numa_data->sess_priv_pool;
-
- sessions[CRYPTODEV_OP_TYPE_ENCRYPT] =
- rte_cryptodev_sym_session_create (sess_pool);
- if (!sessions[CRYPTODEV_OP_TYPE_ENCRYPT])
- {
- ret = -1;
- goto clear_key;
- }
-
- sessions[CRYPTODEV_OP_TYPE_DECRYPT] =
- rte_cryptodev_sym_session_create (sess_pool);
- if (!sessions[CRYPTODEV_OP_TYPE_DECRYPT])
- {
- ret = -1;
- goto clear_key;
- }
-
- 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)
- {
- u32 dev_id = dev_inst->dev_id;
- struct rte_cryptodev *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 (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->sess_data[cdev->driver_id].data &&
- sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[cdev->driver_id].data)
- continue;
-
- ret = rte_cryptodev_sym_session_init (
- dev_id, sessions[CRYPTODEV_OP_TYPE_ENCRYPT], xforms_enc, sess_priv_pool);
- ret = rte_cryptodev_sym_session_init (
- dev_id, sessions[CRYPTODEV_OP_TYPE_DECRYPT], xforms_dec, sess_priv_pool);
- if (ret < 0)
- return ret;
- }
-
- sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->opaque_data = aad_len;
- sessions[CRYPTODEV_OP_TYPE_DECRYPT]->opaque_data = aad_len;
-
- CLIB_MEMORY_STORE_BARRIER ();
- ckey->keys[numa_node][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess =
- sessions[CRYPTODEV_OP_TYPE_ENCRYPT];
- ckey->keys[numa_node][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess =
- sessions[CRYPTODEV_OP_TYPE_DECRYPT];
-
-clear_key:
- if (ret != 0)
- {
- cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]);
- cryptodev_session_del (sessions[CRYPTODEV_OP_TYPE_DECRYPT]);
- }
- return ret;
-}
-
-static int
-cryptodev_supports_param_value (u32 *params, u32 param_value)
-{
- u32 *value;
- vec_foreach (value, params)
- {
- if (*value == param_value)
- return 1;
- }
- return 0;
-}
-
-static int
-cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx,
- u32 key_size, u32 digest_size, u32 aad_size)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_capability_t *cap;
- vec_foreach (cap, cmt->supported_caps)
- {
-
- if (cap->xform_type != idx->type)
- continue;
-
- if (idx->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
- cap->auth.algo == idx->algo.auth &&
- cryptodev_supports_param_value (cap->auth.digest_sizes, digest_size))
- return 1;
-
- if (idx->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
- cap->cipher.algo == idx->algo.cipher &&
- cryptodev_supports_param_value (cap->cipher.key_sizes, key_size))
- return 1;
-
- if (idx->type == RTE_CRYPTO_SYM_XFORM_AEAD &&
- cap->aead.algo == idx->algo.aead &&
- cryptodev_supports_param_value (cap->aead.key_sizes, key_size) &&
- cryptodev_supports_param_value (cap->aead.digest_sizes,
- digest_size) &&
- cryptodev_supports_param_value (cap->aead.aad_sizes, aad_size))
- return 1;
- }
- return 0;
-}
-
-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, g) \
- 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;
- vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
- cryptodev_key_t *ckey = 0;
- u32 i;
-
- vec_validate (cmt->keys, idx);
- ckey = vec_elt_at_index (cmt->keys, idx);
-
- if (kop == VNET_CRYPTO_KEY_OP_DEL || kop == VNET_CRYPTO_KEY_OP_MODIFY)
- {
- if (idx >= vec_len (cmt->keys))
- return;
-
- vec_foreach_index (i, cmt->per_numa_data)
- {
- if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess)
- {
- cryptodev_session_del (
- ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess);
- cryptodev_session_del (
- ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess);
-
- CLIB_MEMORY_STORE_BARRIER ();
- ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT].crypto_sess = 0;
- ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT].crypto_sess = 0;
- }
- }
- return;
- }
-
- /* create key */
-
- /* do not create session for unsupported alg */
- if (cryptodev_check_supported_vnet_alg (key))
- return;
-
- vec_validate (ckey->keys, vec_len (cmt->per_numa_data) - 1);
- vec_foreach_index (i, ckey->keys)
- vec_validate (ckey->keys[i], CRYPTODEV_N_OP_TYPES - 1);
-}
-
-/*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_NOT_PROCESSED;
-}
-
-static_always_inline int
-cryptodev_frame_build_sgl (vlib_main_t * vm, enum rte_iova_mode iova_mode,
- struct rte_crypto_vec *data_vec,
- u16 * n_seg, vlib_buffer_t * b, u32 size)
-{
- struct rte_crypto_vec *vec = data_vec + 1;
- if (vlib_buffer_chain_linearize (vm, b) > CRYPTODEV_MAX_N_SGL)
- return -1;
-
- while ((b->flags & VLIB_BUFFER_NEXT_PRESENT) && size)
- {
- u32 len;
- b = vlib_get_buffer (vm, b->next_buffer);
- len = clib_min (b->current_length, size);
- vec->base = (void *) vlib_buffer_get_current (b);
- if (iova_mode == RTE_IOVA_VA)
- vec->iova = pointer_to_uword (vec->base);
- else
- vec->iova = vlib_buffer_get_current_pa (vm, b);
- vec->len = len;
- size -= len;
- vec++;
- *n_seg += 1;
- }
-
- if (size)
- return -1;
-
- return 0;
-}
-
-static_always_inline u64
-compute_ofs_linked_alg (vnet_crypto_async_frame_elt_t * fe, i16 * min_ofs,
- u32 * max_end)
-{
- union rte_crypto_sym_ofs ofs;
- u32 crypto_end = fe->crypto_start_offset + fe->crypto_total_length;
- u32 integ_end = fe->integ_start_offset + fe->crypto_total_length +
- fe->integ_length_adj;
-
- *min_ofs = clib_min (fe->crypto_start_offset, fe->integ_start_offset);
- *max_end = clib_max (crypto_end, integ_end);
-
- ofs.ofs.cipher.head = fe->crypto_start_offset - *min_ofs;
- ofs.ofs.cipher.tail = *max_end - crypto_end;
- ofs.ofs.auth.head = fe->integ_start_offset - *min_ofs;
- ofs.ofs.auth.tail = *max_end - integ_end;
-
- return ofs.raw;
-}
-
-static_always_inline void
-cryptodev_reset_ctx (cryptodev_engine_thread_t *cet)
-{
- rte_cryptodev_configure_raw_dp_ctx (cet->cryptodev_id, cet->cryptodev_q,
- cet->ctx, RTE_CRYPTO_OP_WITH_SESSION,
- cet->reset_sess, 0);
-}
-
-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)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
- vnet_crypto_async_frame_elt_t *fe;
- struct rte_crypto_vec *vec;
- struct rte_crypto_va_iova_ptr iv_vec, digest_vec;
- vlib_buffer_t **b;
- u32 n_elts;
- u32 last_key_index = ~0;
- i16 min_ofs;
- u32 max_end;
- int status;
-
- n_elts = frame->n_elts;
-
- if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
- {
- cryptodev_mark_frame_err_status (frame,
- VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
- return -1;
- }
-
- vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
-
- vec = cet->vec;
- b = cet->b;
- fe = frame->elts;
-
- while (n_elts)
- {
- union rte_crypto_sym_ofs cofs;
- u16 n_seg = 1;
-
- if (n_elts > 2)
- {
- CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (&fe[2], CLIB_CACHE_LINE_BYTES, LOAD);
- vlib_prefetch_buffer_header (b[1], LOAD);
- vlib_prefetch_buffer_header (b[2], LOAD);
- }
-
- if (PREDICT_FALSE (last_key_index != fe->key_index))
- {
- cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-
- if (PREDICT_FALSE (key->keys[vm->numa_node][op_type].crypto_sess ==
- 0))
- {
- status = cryptodev_session_create (vm, fe->key_index, 0);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
- }
-
- status = rte_cryptodev_configure_raw_dp_ctx (
- cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
- RTE_CRYPTO_OP_WITH_SESSION, key->keys[vm->numa_node][op_type],
- /*is_update */ 1);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
-
- last_key_index = fe->key_index;
- }
-
- cofs.raw = compute_ofs_linked_alg (fe, &min_ofs, &max_end);
-
- vec->len = max_end - min_ofs;
- if (cmt->iova_mode == RTE_IOVA_VA)
- {
- vec[0].base = (void *) (b[0]->data + min_ofs);
- vec[0].iova = pointer_to_uword (b[0]->data) + min_ofs;
- iv_vec.va = (void *) fe->iv;
- iv_vec.iova = pointer_to_uword (fe->iv);
- digest_vec.va = (void *) fe->tag;
- digest_vec.iova = pointer_to_uword (fe->tag);
- }
- else
- {
- vec[0].base = (void *) (b[0]->data + min_ofs);
- vec[0].iova = vlib_buffer_get_pa (vm, b[0]) + min_ofs;
- iv_vec.va = (void *) fe->iv;
- iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
- digest_vec.va = (void *) fe->tag;
- digest_vec.iova = vlib_physmem_get_pa (vm, fe->digest);
- }
-
- if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
- {
- vec[0].len = b[0]->current_data + b[0]->current_length - min_ofs;
- if (cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
- max_end - min_ofs - vec->len) < 0)
- goto error_exit;
- }
-
- status = rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
- &digest_vec, 0, (void *) frame);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
-
- b++;
- fe++;
- n_elts--;
- }
-
- status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
- if (PREDICT_FALSE (status < 0))
- {
- cryptodev_reset_ctx (cet);
- return -1;
- }
-
- cet->inflight += frame->n_elts;
- return 0;
-
-error_exit:
- cryptodev_mark_frame_err_status (frame,
- VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
- cryptodev_reset_ctx (cet);
- return -1;
-}
-
-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_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
- vnet_crypto_async_frame_elt_t *fe;
- vlib_buffer_t **b;
- u32 n_elts;
- union rte_crypto_sym_ofs cofs;
- struct rte_crypto_vec *vec;
- struct rte_crypto_va_iova_ptr iv_vec, digest_vec, aad_vec;
- u32 last_key_index = ~0;
- int status;
-
- n_elts = frame->n_elts;
-
- if (PREDICT_FALSE (CRYPTODEV_MAX_INFLIGHT - cet->inflight < n_elts))
- {
- cryptodev_mark_frame_err_status (frame,
- VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
- return -1;
- }
-
- vlib_get_buffers (vm, frame->buffer_indices, cet->b, frame->n_elts);
-
- vec = cet->vec;
- fe = frame->elts;
- b = cet->b;
- cofs.raw = 0;
-
- while (n_elts)
- {
- u32 aad_offset = ((cet->aad_index++) & CRYPTODEV_AAD_MASK) << 4;
- u16 n_seg = 1;
-
- if (n_elts > 1)
- {
- CLIB_PREFETCH (&fe[1], CLIB_CACHE_LINE_BYTES, LOAD);
- vlib_prefetch_buffer_header (b[1], LOAD);
- }
-
- if (PREDICT_FALSE (last_key_index != fe->key_index))
- {
- cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index);
-
- if (PREDICT_FALSE (key->keys[vm->numa_node][op_type].crypto_sess ==
- 0))
- {
- status = cryptodev_session_create (vm, fe->key_index, aad_len);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
- }
-
- if (PREDICT_FALSE ((u8) key->keys[vm->numa_node][op_type]
- .crypto_sess->opaque_data != aad_len))
- {
- cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
- fe->key_index, aad_len);
- status = cryptodev_session_create (vm, fe->key_index, aad_len);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
- }
-
- status = rte_cryptodev_configure_raw_dp_ctx (
- cet->cryptodev_id, cet->cryptodev_q, cet->ctx,
- RTE_CRYPTO_OP_WITH_SESSION, key->keys[vm->numa_node][op_type],
- /*is_update */ 1);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
-
- last_key_index = fe->key_index;
- }
-
- if (cmt->iova_mode == RTE_IOVA_VA)
- {
- vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
- vec[0].iova = pointer_to_uword (vec[0].base);
- vec[0].len = fe->crypto_total_length;
- iv_vec.va = (void *) fe->iv;
- iv_vec.iova = pointer_to_uword (fe->iv);
- digest_vec.va = (void *) fe->tag;
- digest_vec.iova = pointer_to_uword (fe->tag);
- aad_vec.va = (void *) (cet->aad_buf + aad_offset);
- aad_vec.iova = cet->aad_phy_addr + aad_offset;
- }
- else
- {
- vec[0].base = (void *) (b[0]->data + fe->crypto_start_offset);
- vec[0].iova =
- vlib_buffer_get_pa (vm, b[0]) + fe->crypto_start_offset;
- vec[0].len = fe->crypto_total_length;
- iv_vec.va = (void *) fe->iv;
- iv_vec.iova = vlib_physmem_get_pa (vm, fe->iv);
- aad_vec.va = (void *) (cet->aad_buf + aad_offset);
- aad_vec.iova = cet->aad_phy_addr + aad_offset;
- digest_vec.va = (void *) fe->tag;
- digest_vec.iova = vlib_physmem_get_pa (vm, fe->tag);
- }
-
- if (aad_len == 8)
- *(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
- else
- {
- /* aad_len == 12 */
- *(u64 *) (cet->aad_buf + aad_offset) = *(u64 *) fe->aad;
- *(u32 *) (cet->aad_buf + aad_offset + 8) = *(u32 *) (fe->aad + 8);
- }
-
- if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS))
- {
- vec[0].len = b[0]->current_data + b[0]->current_length -
- fe->crypto_start_offset;
- status =
- cryptodev_frame_build_sgl (vm, cmt->iova_mode, vec, &n_seg, b[0],
- fe->crypto_total_length - vec[0].len);
- if (status < 0)
- goto error_exit;
- }
-
- status =
- rte_cryptodev_raw_enqueue (cet->ctx, vec, n_seg, cofs, &iv_vec,
- &digest_vec, &aad_vec, (void *) frame);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
-
- fe++;
- b++;
- n_elts--;
- }
-
- status = rte_cryptodev_raw_enqueue_done (cet->ctx, frame->n_elts);
- if (PREDICT_FALSE (status < 0))
- goto error_exit;
-
- cet->inflight += frame->n_elts;
-
- return 0;
-
-error_exit:
- cryptodev_mark_frame_err_status (frame,
- VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR);
- cryptodev_reset_ctx (cet);
- return -1;
-}
-
-static u32
-cryptodev_get_frame_n_elts (void *frame)
-{
- vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
- return f->n_elts;
-}
-
-static void
-cryptodev_post_dequeue (void *frame, u32 index, u8 is_op_success)
-{
- vnet_crypto_async_frame_t *f = (vnet_crypto_async_frame_t *) frame;
-
- f->elts[index].status = is_op_success ? VNET_CRYPTO_OP_STATUS_COMPLETED :
- VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC;
-}
-
-#define GET_RING_OBJ(r, pos, f) do { \
- vnet_crypto_async_frame_t **ring = (void *)&r[1]; \
- f = ring[(r->cons.head + pos) & r->mask]; \
-} while (0)
-
-static_always_inline vnet_crypto_async_frame_t *
-cryptodev_frame_dequeue (vlib_main_t * vm, u32 * nb_elts_processed,
- u32 * enqueue_thread_idx)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
- vnet_crypto_async_frame_t *frame, *frame_ret = 0;
- u32 n_deq, n_success;
- u32 n_cached_frame = rte_ring_count (cet->cached_frame), n_room_left;
- u8 no_job_to_deq = 0;
- u16 inflight = cet->inflight;
- int dequeue_status;
-
- n_room_left = CRYPTODEV_DEQ_CACHE_SZ - n_cached_frame - 1;
-
- if (n_cached_frame)
- {
- u32 i;
- for (i = 0; i < n_cached_frame; i++)
- {
- vnet_crypto_async_frame_t *f;
- void *f_ret;
- enum rte_crypto_op_status op_status;
- u8 n_left, err, j;
-
- GET_RING_OBJ (cet->cached_frame, i, f);
-
- if (i < n_cached_frame - 2)
- {
- vnet_crypto_async_frame_t *f1, *f2;
- GET_RING_OBJ (cet->cached_frame, i + 1, f1);
- GET_RING_OBJ (cet->cached_frame, i + 2, f2);
- CLIB_PREFETCH (f1, CLIB_CACHE_LINE_BYTES, LOAD);
- CLIB_PREFETCH (f2, CLIB_CACHE_LINE_BYTES, LOAD);
- }
-
- n_left = f->state & 0x7f;
- err = f->state & 0x80;
-
- for (j = f->n_elts - n_left; j < f->n_elts && inflight; j++)
- {
- int ret;
- f_ret = rte_cryptodev_raw_dequeue (cet->ctx, &ret, &op_status);
-
- if (!f_ret)
- break;
-
- switch (op_status)
- {
- case RTE_CRYPTO_OP_STATUS_SUCCESS:
- f->elts[j].status = VNET_CRYPTO_OP_STATUS_COMPLETED;
- break;
- default:
- f->elts[j].status = VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR;
- err |= 1 << 7;
- }
-
- inflight--;
- }
-
- if (j == f->n_elts)
- {
- if (i == 0)
- {
- frame_ret = f;
- f->state = err ? VNET_CRYPTO_FRAME_STATE_ELT_ERROR :
- VNET_CRYPTO_FRAME_STATE_SUCCESS;
- }
- else
- {
- f->state = f->n_elts - j;
- f->state |= err;
- }
- if (inflight)
- continue;
- }
-
- /* to here f is not completed dequeued and no more job can be
- * dequeued
- */
- f->state = f->n_elts - j;
- f->state |= err;
- no_job_to_deq = 1;
- break;
- }
-
- if (frame_ret)
- {
- rte_ring_sc_dequeue (cet->cached_frame, (void **) &frame_ret);
- n_room_left++;
- }
- }
-
- /* no point to dequeue further */
- if (!inflight || no_job_to_deq || !n_room_left)
- goto end_deq;
-
- n_deq = rte_cryptodev_raw_dequeue_burst (cet->ctx,
- cryptodev_get_frame_n_elts,
- cryptodev_post_dequeue,
- (void **) &frame, 0, &n_success,
- &dequeue_status);
- if (!n_deq)
- goto end_deq;
-
- inflight -= n_deq;
- no_job_to_deq = n_deq < frame->n_elts;
- /* we have to cache the frame */
- if (frame_ret || n_cached_frame || no_job_to_deq)
- {
- frame->state = frame->n_elts - n_deq;
- frame->state |= ((n_success < n_deq) << 7);
- rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
- n_room_left--;
- }
- else
- {
- frame->state = n_success == frame->n_elts ?
- VNET_CRYPTO_FRAME_STATE_SUCCESS : VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
- frame_ret = frame;
- }
-
- /* see if we can dequeue more */
- while (inflight && n_room_left && !no_job_to_deq)
- {
- n_deq = rte_cryptodev_raw_dequeue_burst (cet->ctx,
- cryptodev_get_frame_n_elts,
- cryptodev_post_dequeue,
- (void **) &frame, 0,
- &n_success, &dequeue_status);
- if (!n_deq)
- break;
- inflight -= n_deq;
- no_job_to_deq = n_deq < frame->n_elts;
- frame->state = frame->n_elts - n_deq;
- frame->state |= ((n_success < n_deq) << 7);
- rte_ring_sp_enqueue (cet->cached_frame, (void *) frame);
- n_room_left--;
- }
-
-end_deq:
- if (inflight < cet->inflight)
- {
- int res =
- rte_cryptodev_raw_dequeue_done (cet->ctx, cet->inflight - inflight);
- ASSERT (res == 0);
- cet->inflight = inflight;
- }
-
- if (frame_ret)
- {
- *nb_elts_processed = frame_ret->n_elts;
- *enqueue_thread_idx = frame_ret->enqueue_thread_index;
- }
-
- return frame_ret;
-}
-
-/* *INDENT-OFF* */
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_enc (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_gcm_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_ENCRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_enc (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_gcm_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_ENCRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_gcm_aad_8_dec (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_gcm_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_DECRYPT, 8);
-}
-static_always_inline int
-cryptodev_enqueue_gcm_aad_12_dec (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_gcm_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_DECRYPT, 12);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_enc (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_linked_algs_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_ENCRYPT);
-}
-
-static_always_inline int
-cryptodev_enqueue_linked_alg_dec (vlib_main_t * vm,
- vnet_crypto_async_frame_t * frame)
-{
- return cryptodev_frame_linked_algs_enqueue (vm, frame,
- CRYPTODEV_OP_TYPE_DECRYPT);
-}
-
-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;
- cryptodev_reset_ctx (cet);
- 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;
- cryptodev_reset_ctx (cet);
- 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 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);
- q_count += info.max_nb_queue_pairs;
- }
-
- return q_count;
-}
-
-static int
-cryptodev_configure (vlib_main_t *vm, u32 cryptodev_id)
-{
- struct rte_cryptodev_config cfg;
- struct rte_cryptodev_info info;
- cryptodev_main_t *cmt = &cryptodev_main;
- u32 i;
- int ret;
-
- rte_cryptodev_info_get (cryptodev_id, &info);
-
- if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP))
- return -1;
-
- cfg.socket_id = info.device->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;
-
- qp_cfg.mp_session = 0;
- qp_cfg.mp_session_private = 0;
- qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS;
-
- ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg,
- info.device->numa_node);
- if (ret)
- {
- clib_warning ("Cryptodev: Configure device %u queue %u failed %d",
- cryptodev_id, i, ret);
- break;
- }
- }
-
- if (i != info.max_nb_queue_pairs)
- return -1;
-
- /* start the device */
- rte_cryptodev_start (cryptodev_id);
-
- 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_cmp (void *v1, void *v2)
-{
- cryptodev_inst_t *a1 = v1;
- cryptodev_inst_t *a2 = v2;
-
- if (a1->q_id > a2->q_id)
- return 1;
- if (a1->q_id < a2->q_id)
- return -1;
- return 0;
-}
-
-static void
-remove_unsupported_param_size (u32 **param_sizes, u32 param_size_min,
- u32 param_size_max, u32 increment)
-{
- u32 i = 0;
- u32 cap_param_size;
-
- while (i < vec_len (*param_sizes))
- {
- u32 found_param = 0;
- for (cap_param_size = param_size_min; cap_param_size <= param_size_max;
- cap_param_size += increment)
- {
- if ((*param_sizes)[i] == cap_param_size)
- {
- found_param = 1;
- break;
- }
- if (increment == 0)
- break;
- }
- if (!found_param)
- /* no such param_size in cap so delete this size in temp_cap params */
- vec_delete (*param_sizes, 1, i);
- else
- i++;
- }
-}
-
-static void
-cryptodev_delete_cap (cryptodev_capability_t **temp_caps, u32 temp_cap_id)
-{
- cryptodev_capability_t temp_cap = (*temp_caps)[temp_cap_id];
-
- switch (temp_cap.xform_type)
- {
- case RTE_CRYPTO_SYM_XFORM_AUTH:
- vec_free (temp_cap.auth.digest_sizes);
- break;
- case RTE_CRYPTO_SYM_XFORM_CIPHER:
- vec_free (temp_cap.cipher.key_sizes);
- break;
- case RTE_CRYPTO_SYM_XFORM_AEAD:
- vec_free (temp_cap.aead.key_sizes);
- vec_free (temp_cap.aead.aad_sizes);
- vec_free (temp_cap.aead.digest_sizes);
- break;
- default:
- break;
- }
- vec_delete (*temp_caps, 1, temp_cap_id);
-}
-
-static u32
-cryptodev_remove_unsupported_param_sizes (
- cryptodev_capability_t *temp_cap,
- const struct rte_cryptodev_capabilities *dev_caps)
-{
- u32 cap_found = 0;
- const struct rte_cryptodev_capabilities *cap = &dev_caps[0];
-
- while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
- {
- if (cap->sym.xform_type == temp_cap->xform_type)
- switch (cap->sym.xform_type)
- {
- case RTE_CRYPTO_SYM_XFORM_CIPHER:
- if (cap->sym.cipher.algo == temp_cap->cipher.algo)
- {
- remove_unsupported_param_size (
- &temp_cap->cipher.key_sizes, cap->sym.cipher.key_size.min,
- cap->sym.cipher.key_size.max,
- cap->sym.cipher.key_size.increment);
- if (vec_len (temp_cap->cipher.key_sizes) > 0)
- cap_found = 1;
- }
- break;
- case RTE_CRYPTO_SYM_XFORM_AUTH:
- if (cap->sym.auth.algo == temp_cap->auth.algo)
- {
- remove_unsupported_param_size (
- &temp_cap->auth.digest_sizes, cap->sym.auth.digest_size.min,
- cap->sym.auth.digest_size.max,
- cap->sym.auth.digest_size.increment);
- if (vec_len (temp_cap->auth.digest_sizes) > 0)
- cap_found = 1;
- }
- break;
- case RTE_CRYPTO_SYM_XFORM_AEAD:
- if (cap->sym.aead.algo == temp_cap->aead.algo)
- {
- remove_unsupported_param_size (
- &temp_cap->aead.key_sizes, cap->sym.aead.key_size.min,
- cap->sym.aead.key_size.max,
- cap->sym.aead.key_size.increment);
- remove_unsupported_param_size (
- &temp_cap->aead.aad_sizes, cap->sym.aead.aad_size.min,
- cap->sym.aead.aad_size.max,
- cap->sym.aead.aad_size.increment);
- remove_unsupported_param_size (
- &temp_cap->aead.digest_sizes, cap->sym.aead.digest_size.min,
- cap->sym.aead.digest_size.max,
- cap->sym.aead.digest_size.increment);
- if (vec_len (temp_cap->aead.key_sizes) > 0 &&
- vec_len (temp_cap->aead.aad_sizes) > 0 &&
- vec_len (temp_cap->aead.digest_sizes) > 0)
- cap_found = 1;
- }
- break;
- default:
- break;
- }
- if (cap_found)
- break;
- cap++;
- }
-
- return cap_found;
-}
-
-static void
-cryptodev_get_common_capabilities ()
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_inst_t *dev_inst;
- struct rte_cryptodev_info dev_info;
- u32 previous_dev_id, dev_id;
- u32 cap_id = 0;
- u32 param;
- cryptodev_capability_t tmp_cap;
- const struct rte_cryptodev_capabilities *cap;
- const struct rte_cryptodev_capabilities *dev_caps;
-
- if (vec_len (cmt->cryptodev_inst) == 0)
- return;
- dev_inst = vec_elt_at_index (cmt->cryptodev_inst, 0);
- rte_cryptodev_info_get (dev_inst->dev_id, &dev_info);
- cap = &dev_info.capabilities[0];
-
- /*init capabilities vector*/
- while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED)
- {
- ASSERT (cap->op == RTE_CRYPTO_OP_TYPE_SYMMETRIC);
- tmp_cap.xform_type = cap->sym.xform_type;
- switch (cap->sym.xform_type)
- {
- case RTE_CRYPTO_SYM_XFORM_CIPHER:
- tmp_cap.cipher.key_sizes = 0;
- tmp_cap.cipher.algo = cap->sym.cipher.algo;
- for (param = cap->sym.cipher.key_size.min;
- param <= cap->sym.cipher.key_size.max;
- param += cap->sym.cipher.key_size.increment)
- {
- vec_add1 (tmp_cap.cipher.key_sizes, param);
- if (cap->sym.cipher.key_size.increment == 0)
- break;
- }
- break;
- case RTE_CRYPTO_SYM_XFORM_AUTH:
- tmp_cap.auth.algo = cap->sym.auth.algo;
- tmp_cap.auth.digest_sizes = 0;
- for (param = cap->sym.auth.digest_size.min;
- param <= cap->sym.auth.digest_size.max;
- param += cap->sym.auth.digest_size.increment)
- {
- vec_add1 (tmp_cap.auth.digest_sizes, param);
- if (cap->sym.auth.digest_size.increment == 0)
- break;
- }
- break;
- case RTE_CRYPTO_SYM_XFORM_AEAD:
- tmp_cap.aead.key_sizes = 0;
- tmp_cap.aead.aad_sizes = 0;
- tmp_cap.aead.digest_sizes = 0;
- tmp_cap.aead.algo = cap->sym.aead.algo;
- for (param = cap->sym.aead.key_size.min;
- param <= cap->sym.aead.key_size.max;
- param += cap->sym.aead.key_size.increment)
- {
- vec_add1 (tmp_cap.aead.key_sizes, param);
- if (cap->sym.aead.key_size.increment == 0)
- break;
- }
- for (param = cap->sym.aead.aad_size.min;
- param <= cap->sym.aead.aad_size.max;
- param += cap->sym.aead.aad_size.increment)
- {
- vec_add1 (tmp_cap.aead.aad_sizes, param);
- if (cap->sym.aead.aad_size.increment == 0)
- break;
- }
- for (param = cap->sym.aead.digest_size.min;
- param <= cap->sym.aead.digest_size.max;
- param += cap->sym.aead.digest_size.increment)
- {
- vec_add1 (tmp_cap.aead.digest_sizes, param);
- if (cap->sym.aead.digest_size.increment == 0)
- break;
- }
- break;
- default:
- break;
- }
-
- vec_add1 (cmt->supported_caps, tmp_cap);
- cap++;
- }
-
- while (cap_id < vec_len (cmt->supported_caps))
- {
- u32 cap_is_supported = 1;
- previous_dev_id = cmt->cryptodev_inst->dev_id;
-
- vec_foreach (dev_inst, cmt->cryptodev_inst)
- {
- dev_id = dev_inst->dev_id;
- if (previous_dev_id != dev_id)
- {
- previous_dev_id = dev_id;
- rte_cryptodev_info_get (dev_id, &dev_info);
- dev_caps = &dev_info.capabilities[0];
- cap_is_supported = cryptodev_remove_unsupported_param_sizes (
- &cmt->supported_caps[cap_id], dev_caps);
- if (!cap_is_supported)
- {
- cryptodev_delete_cap (&cmt->supported_caps, cap_id);
- /*no need to check other devices as this one doesn't support
- * this temp_cap*/
- break;
- }
- }
- }
- if (cap_is_supported)
- cap_id++;
- }
-}
-
-static int
-cryptodev_probe (vlib_main_t *vm, u32 n_workers)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- u32 n_queues = cryptodev_count_queue (vm->numa_node);
- u32 i;
-
- if (n_queues < n_workers)
- return -1;
-
- for (i = 0; i < rte_cryptodev_count (); i++)
- cryptodev_configure (vm, i);
-
- cryptodev_get_common_capabilities ();
- vec_sort_with_function(cmt->cryptodev_inst, cryptodev_cmp);
-
- /* if there is not enough device stop cryptodev */
- if (vec_len (cmt->cryptodev_inst) < n_workers)
- return -1;
-
- return 0;
-}
-
-static void
-cryptodev_get_max_sz (u32 *max_sess_sz, u32 *max_dp_sz)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_inst_t *cinst;
- u32 max_sess = 0, max_dp = 0;
-
- vec_foreach (cinst, cmt->cryptodev_inst)
- {
- u32 sess_sz = rte_cryptodev_sym_get_private_session_size (cinst->dev_id);
- u32 dp_sz = rte_cryptodev_get_raw_dp_ctx_size (cinst->dev_id);
-
- max_sess = clib_max (sess_sz, max_sess);
- max_dp = clib_max (dp_sz, max_dp);
- }
-
- *max_sess_sz = max_sess;
- *max_dp_sz = max_dp;
-}
-
-static void
-dpdk_disable_cryptodev_engine (vlib_main_t * vm)
-{
- cryptodev_main_t *cmt = &cryptodev_main;
- cryptodev_numa_data_t *numa_data;
- cryptodev_engine_thread_t *ptd;
-
- 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);
-
- vec_foreach (ptd, cmt->per_thread_data)
- {
- if (ptd->aad_buf)
- rte_free (ptd->aad_buf);
- if (ptd->cached_frame)
- rte_ring_free (ptd->cached_frame);
- if (ptd->reset_sess.crypto_sess)
- {
- struct rte_mempool *mp =
- rte_mempool_from_obj ((void *) ptd->reset_sess.crypto_sess);
-
- rte_mempool_free (mp);
- ptd->reset_sess.crypto_sess = 0;
- }
- }
-}
-
-static clib_error_t *
-create_reset_sess (cryptodev_engine_thread_t *ptd, u32 lcore, u32 numa,
- u32 sess_sz)
-{
- struct rte_crypto_sym_xform xform = { 0 };
- struct rte_crypto_aead_xform *aead_xform = &xform.aead;
- struct rte_cryptodev_sym_session *sess;
- struct rte_mempool *mp = 0;
- u8 key[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
- u8 *name = 0;
- clib_error_t *error = 0;
-
- /* create session pool for the numa node */
- name = format (0, "vcryptodev_s_reset_%u_%u", numa, lcore);
- mp = rte_cryptodev_sym_session_pool_create ((char *) name, 2, sess_sz, 0, 0,
- numa);
- if (!mp)
- {
- error = clib_error_return (0, "Not enough memory for mp %s", name);
- goto error_exit;
- }
- vec_free (name);
-
- xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
- aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
- aead_xform->op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
- aead_xform->aad_length = 8;
- aead_xform->digest_length = 16;
- aead_xform->iv.offset = 0;
- aead_xform->iv.length = 12;
- aead_xform->key.data = key;
- aead_xform->key.length = 16;
-
- sess = rte_cryptodev_sym_session_create (mp);
- if (!sess)
- {
- error = clib_error_return (0, "failed to create session");
- goto error_exit;
- }
-
- if (rte_cryptodev_sym_session_init (ptd->cryptodev_id, sess, &xform, mp) < 0)
- {
- error = clib_error_return (0, "failed to create session private");
- goto error_exit;
- }
-
- ptd->reset_sess.crypto_sess = sess;
-
- return 0;
-
-error_exit:
- if (mp)
- rte_mempool_free (mp);
- if (name)
- vec_free (name);
-
- return error;
-}
-
-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;
- u32 sess_sz, dp_sz;
- u32 eidx;
- u32 i;
- u8 *name = 0;
- clib_error_t *error;
- struct rte_cryptodev_sym_capability_idx cap_auth_idx;
- struct rte_cryptodev_sym_capability_idx cap_cipher_idx;
- struct rte_cryptodev_sym_capability_idx cap_aead_idx;
-
- cmt->iova_mode = rte_eal_iova_mode ();
-
- vec_validate (cmt->per_numa_data, vm->numa_node);
-
- /* 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;
- }
-
- cryptodev_get_max_sz (&sess_sz, &dp_sz);
-
- 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;
- numa = vlib_get_main_by_index (i)->numa_node;
-
- ptd->aad_buf = rte_zmalloc_socket (0, CRYPTODEV_NB_CRYPTO_OPS *
- CRYPTODEV_MAX_AAD_SIZE,
- CLIB_CACHE_LINE_BYTES,
- numa);
-
- if (ptd->aad_buf == 0)
- {
- error = clib_error_return (0, "Failed to alloc aad buf");
- goto err_handling;
- }
-
- ptd->aad_phy_addr = rte_malloc_virt2iova (ptd->aad_buf);
-
- ptd->ctx = rte_zmalloc_socket (0, dp_sz, CLIB_CACHE_LINE_BYTES, numa);
- if (!ptd->ctx)
- {
- error = clib_error_return (0, "Failed to alloc raw dp ctx");
- goto err_handling;
- }
-
- name = format (0, "cache_frame_ring_%u%u", numa, i);
- ptd->cached_frame = rte_ring_create ((char *)name,
- CRYPTODEV_DEQ_CACHE_SZ, numa,
- RING_F_SC_DEQ | RING_F_SP_ENQ);
-
- if (ptd->cached_frame == 0)
- {
- error = clib_error_return (0, "Failed to alloc frame ring");
- goto err_handling;
- }
- vec_free (name);
-
- vec_validate (cmt->per_numa_data, numa);
- numa_data = vec_elt_at_index (cmt->per_numa_data, numa);
-
- if (!numa_data->sess_pool)
- {
- /* create session pool for the numa node */
- name = format (0, "vcryptodev_sess_pool_%u%c", numa, 0);
- 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%c", numa, 0);
- 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;
- }
-
- error = create_reset_sess (ptd, i, numa, sess_sz);
- if (error)
- goto err_handling;
-
- cryptodev_assign_resource (ptd, 0, CRYPTODEV_RESOURCE_ASSIGN_AUTO);
- }
-
- /* register handler */
- eidx = vnet_crypto_register_engine (vm, "dpdk_cryptodev", 100,
- "DPDK Cryptodev Engine");
-
-#define _(a, b, c, d, e, f, g) \
- cap_aead_idx.type = RTE_CRYPTO_SYM_XFORM_AEAD; \
- cap_aead_idx.algo.aead = RTE_CRYPTO_##b##_##c; \
- if (cryptodev_check_cap_support (&cap_aead_idx, g, e, f)) \
- { \
- vnet_crypto_register_async_handler ( \
- vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_ENC, \
- cryptodev_enqueue_gcm_aad_##f##_enc, cryptodev_frame_dequeue); \
- vnet_crypto_register_async_handler ( \
- vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC, \
- cryptodev_enqueue_gcm_aad_##f##_dec, cryptodev_frame_dequeue); \
- }
-
- foreach_vnet_aead_crypto_conversion
-#undef _
-/* clang-format off */
-#define _(a, b, c, d, e) \
- cap_auth_idx.type = RTE_CRYPTO_SYM_XFORM_AUTH; \
- cap_auth_idx.algo.auth = RTE_CRYPTO_AUTH_##d##_HMAC; \
- cap_cipher_idx.type = RTE_CRYPTO_SYM_XFORM_CIPHER; \
- cap_cipher_idx.algo.cipher = RTE_CRYPTO_CIPHER_##b; \
- if (cryptodev_check_cap_support (&cap_cipher_idx, c, -1, -1) && \
- cryptodev_check_cap_support (&cap_auth_idx, -1, e, -1)) \
- { \
- vnet_crypto_register_async_handler ( \
- vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_ENC, \
- cryptodev_enqueue_linked_alg_enc, cryptodev_frame_dequeue); \
- vnet_crypto_register_async_handler ( \
- vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_DEC, \
- cryptodev_enqueue_linked_alg_dec, cryptodev_frame_dequeue); \
- }
-
- foreach_cryptodev_link_async_alg
-#undef _
-
- vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler);
- /* clang-format on */
-
- /* this engine is only enabled when cryptodev device(s) are presented in
- * startup.conf. Assume it is wanted to be used, turn on async mode here.
- */
- vnet_crypto_request_async_mode (1);
- ipsec_set_async_mode (1);
-
- 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:
- */