diff options
Diffstat (limited to 'src/plugins/dpdk/cryptodev')
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev.c | 1411 | ||||
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev.h | 180 | ||||
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev_dp_api.c | 1879 | ||||
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c | 601 | ||||
| -rw-r--r-- | src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c | 730 |
5 files changed, 2074 insertions, 2727 deletions
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c index cd9d104224b..a310538f064 100644 --- a/src/plugins/dpdk/cryptodev/cryptodev.c +++ b/src/plugins/dpdk/cryptodev/cryptodev.c @@ -32,121 +32,14 @@ #include <rte_cryptodev_pmd.h> #include <rte_config.h> +#include "cryptodev.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_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)) - -/* 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_key_t; - -typedef struct -{ - u32 dev_id; - u32 q_id; - char *desc; -} cryptodev_inst_t; - -typedef struct -{ - CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - 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; - enum rte_iova_mode iova_mode; - 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_always_inline int @@ -214,11 +107,11 @@ prepare_linked_xform (struct rte_crypto_sym_xform *xforms, 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; \ +#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 @@ -257,25 +150,175 @@ cryptodev_session_del (struct rte_cryptodev_sym_session *sess) rte_cryptodev_sym_session_free (sess); } +static int +check_cipher_support (enum rte_crypto_cipher_algorithm algo, u32 key_size) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_capability_t *vcap; + u32 *s; + + vec_foreach (vcap, cmt->supported_caps) + { + if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER) + continue; + if (vcap->cipher.algo != algo) + continue; + vec_foreach (s, vcap->cipher.key_sizes) + if (*s == key_size) + return 1; + } + + return 0; +} + +static int +check_auth_support (enum rte_crypto_auth_algorithm algo, u32 digest_size) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_capability_t *vcap; + u32 *s; + + vec_foreach (vcap, cmt->supported_caps) + { + if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AUTH) + continue; + if (vcap->auth.algo != algo) + continue; + vec_foreach (s, vcap->auth.digest_sizes) + if (*s == digest_size) + return 1; + } + + return 0; +} + static_always_inline int -cryptodev_check_supported_vnet_alg (vnet_crypto_key_t *key) +check_aead_support (enum rte_crypto_aead_algorithm algo, u32 key_size, + u32 digest_size, u32 aad_size) { - vnet_crypto_alg_t alg; - if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) - return 0; + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_capability_t *vcap; + u32 *s; + u32 key_match = 0, digest_match = 0, aad_match = 0; + + vec_foreach (vcap, cmt->supported_caps) + { + if (vcap->xform_type != RTE_CRYPTO_SYM_XFORM_AEAD) + continue; + if (vcap->aead.algo != algo) + continue; + vec_foreach (s, vcap->aead.digest_sizes) + if (*s == digest_size) + { + digest_match = 1; + break; + } + vec_foreach (s, vcap->aead.key_sizes) + if (*s == key_size) + { + key_match = 1; + break; + } + vec_foreach (s, vcap->aead.aad_sizes) + if (*s == aad_size) + { + aad_match = 1; + break; + } + } - alg = key->alg; + if (key_match == 1 && digest_match == 1 && aad_match == 1) + return 1; -#define _(a, b, c, d, e, f) \ - if (alg == VNET_CRYPTO_ALG_##a) \ - return 0; + return 0; +} +static_always_inline int +cryptodev_check_supported_vnet_alg (vnet_crypto_key_t *key) +{ + u32 matched = 0; + + if (key->type == VNET_CRYPTO_KEY_TYPE_LINK) + { + switch (key->async_alg) + { +#define _(a, b, c, d, e) \ + case VNET_CRYPTO_ALG_##a##_##d##_TAG##e: \ + if (check_cipher_support (RTE_CRYPTO_CIPHER_##b, c) && \ + check_auth_support (RTE_CRYPTO_AUTH_##d##_HMAC, e)) \ + return 1; + foreach_cryptodev_link_async_alg +#undef _ + default : return 0; + } + return 0; + } + +#define _(a, b, c, d, e, f, g) \ + if (key->alg == VNET_CRYPTO_ALG_##a) \ + { \ + if (check_aead_support (RTE_CRYPTO_AEAD_##c, g, e, f)) \ + matched++; \ + } foreach_vnet_aead_crypto_conversion #undef _ - return -1; + + if (matched < 2) return 0; + + return 1; } -static_always_inline int +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]) + { + cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]); + cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT]); + + CLIB_MEMORY_STORE_BARRIER (); + ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT] = 0; + ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT] = 0; + } + } + return; + } + + /* create key */ + + /* do not create session for unsupported alg */ + if (cryptodev_check_supported_vnet_alg (key) == 0) + return; + + vec_validate (ckey->keys, idx); + 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); +} + +int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx, u32 aad_len) { @@ -328,13 +371,12 @@ cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx, { u32 dev_id = dev_inst->dev_id; struct rte_cryptodev *cdev = rte_cryptodev_pmd_get_dev (dev_id); + u32 driver_id = cdev->driver_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) + if (sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->sess_data[driver_id].data && + sessions[CRYPTODEV_OP_TYPE_DECRYPT]->sess_data[driver_id].data) continue; ret = rte_cryptodev_sym_session_init ( @@ -365,495 +407,6 @@ clear_key: return ret; } -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]) - { - cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]); - cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT]); - - CLIB_MEMORY_STORE_BARRIER (); - ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT] = 0; - ckey->keys[i][CRYPTODEV_OP_TYPE_DECRYPT] = 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; -} - -static_always_inline rte_iova_t -cryptodev_get_iova (clib_pmalloc_main_t * pm, enum rte_iova_mode mode, - void *data) -{ - u64 index; - if (mode == RTE_IOVA_VA) - return (rte_iova_t) pointer_to_uword (data); - - index = clib_pmalloc_get_page_index (pm, data); - return pointer_to_uword (data) - pm->lookup_table[index]; -} - -static_always_inline void -cryptodev_validate_mbuf_chain (vlib_main_t * vm, struct rte_mbuf *mb, - vlib_buffer_t * b) -{ - struct rte_mbuf *first_mb = mb, *last_mb = mb; /**< last mbuf */ - /* when input node is not dpdk, mbuf data len is not initialized, for - * single buffer it is not a problem since the data length is written - * into cryptodev operation. For chained buffer a reference data length - * has to be computed through vlib_buffer. - * - * even when input node is dpdk, it is possible chained vlib_buffers - * are updated (either added or removed a buffer) but not not mbuf fields. - * we have to re-link every mbuf in the chain. - */ - u16 data_len = b->current_length + (b->data + b->current_data - - rte_pktmbuf_mtod (mb, u8 *)); - - first_mb->nb_segs = 1; - first_mb->pkt_len = first_mb->data_len = data_len; - - 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]; - } -} - -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; - clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_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; - struct rte_cryptodev_sym_session *sess = 0; - cryptodev_op_t **cop; - u32 *bi; - u32 n_enqueue, n_elts; - 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) - { - cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index); - last_key_index = fe->key_index; - - if (key->keys[vm->numa_node][op_type] == 0) - { - if (PREDICT_FALSE ( - cryptodev_session_create (vm, last_key_index, 0) < 0)) - { - cryptodev_mark_frame_err_status ( - frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); - return -1; - } - } - sess = key->keys[vm->numa_node][op_type]; - } - - sop->m_src = rte_mbuf_from_vlib_buffer (b); - sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE; - 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)) - { - sop->m_src->data_off += fe->integ_start_offset; - integ_offset = 0; - crypto_offset = offset_diff; - } - sop->session = sess; - 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; - sop->auth.digest.phys_addr = cryptodev_get_iova (pm, cmt->iova_mode, - fe->digest); - if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)) - cryptodev_validate_mbuf_chain (vm, sop->m_src, b); - else - /* for input nodes that are not dpdk-input, it is possible the mbuf - * was updated before as one of the chained mbufs. Setting nb_segs - * to 1 here to prevent the cryptodev PMD to access potentially - * invalid m_src->next pointers. - */ - sop->m_src->nb_segs = 1; - 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; - clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_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; - struct rte_cryptodev_sym_session *sess = 0; - cryptodev_op_t **cop; - u32 *bi; - u32 n_enqueue = 0, n_elts; - 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; - 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) - { - cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index); - - last_key_index = fe->key_index; - if (key->keys[vm->numa_node][op_type] == 0) - { - if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index, - aad_len) < 0)) - { - cryptodev_mark_frame_err_status ( - frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); - return -1; - } - } - else if (PREDICT_FALSE ( - key->keys[vm->numa_node][op_type]->opaque_data != - aad_len)) - { - cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL, - fe->key_index, aad_len); - if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index, - aad_len) < 0)) - { - cryptodev_mark_frame_err_status ( - frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); - return -1; - } - } - - sess = key->keys[vm->numa_node][op_type]; - } - - sop->m_src = rte_mbuf_from_vlib_buffer (b); - sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE; - 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 = sess; - 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; - sop->aead.digest.phys_addr = cryptodev_get_iova (pm, cmt->iova_mode, - fe->tag); - if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)) - cryptodev_validate_mbuf_chain (vm, sop->m_src, b); - else - /* for input nodes that are not dpdk-input, it is possible the mbuf - * was updated before as one of the chained mbufs. Setting nb_segs - * to 1 here to prevent the cryptodev PMD to access potentially - * invalid m_src->next pointers. - */ - sop->m_src->nb_segs = 1; - 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, u32 * nb_elts_processed, - u32 * enqueue_thread_idx) -{ - 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); - *nb_elts_processed = frame->n_elts; - *enqueue_thread_idx = frame->enqueue_thread_index; - return frame; -} - -/* *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, @@ -900,6 +453,7 @@ cryptodev_assign_resource (cryptodev_engine_thread_t * cet, 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; @@ -975,6 +529,10 @@ cryptodev_show_assignment_fn (vlib_main_t * vm, unformat_input_t * input, vec_foreach_index (inst, cmt->cryptodev_inst) vlib_cli_output (vm, "%-5u%U", inst, format_cryptodev_inst, inst); + if (cmt->is_raw_api) + vlib_cli_output (vm, "Cryptodev Data Path API used: RAW Data Path API"); + else + vlib_cli_output (vm, "Cryptodev Data Path API used: crypto operation API"); return 0; } @@ -1039,8 +597,8 @@ cryptodev_set_assignment_fn (vlib_main_t * vm, unformat_input_t * input, CRYPTODEV_RESOURCE_ASSIGN_UPDATE); if (ret) { - error = clib_error_return (0, "cryptodev_assign_resource returned %i", - ret); + error = + clib_error_return (0, "cryptodev_assign_resource returned %d", ret); return error; } @@ -1054,48 +612,6 @@ VLIB_CLI_COMMAND (set_cryptodev_assignment, static) = { .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) { @@ -1106,10 +622,6 @@ cryptodev_count_queue (u32 numa) for (i = 0; i < n_cryptodev; i++) { rte_cryptodev_info_get (i, &info); - - /* only device support symmetric crypto is used */ - if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO)) - continue; q_count += info.max_nb_queue_pairs; } @@ -1117,59 +629,49 @@ cryptodev_count_queue (u32 numa) } static int -cryptodev_configure (vlib_main_t *vm, uint32_t cryptodev_id) +cryptodev_configure (vlib_main_t *vm, u32 cryptodev_id) { + struct rte_cryptodev_config cfg; struct rte_cryptodev_info info; - struct rte_cryptodev *cdev; cryptodev_main_t *cmt = &cryptodev_main; u32 i; int ret; rte_cryptodev_info_get (cryptodev_id, &info); - /* do not configure the device that does not support symmetric crypto */ if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO)) - return 0; + return -1; - ret = check_cryptodev_alg_support (cryptodev_id); - if (ret != 0) - return ret; + cfg.socket_id = info.device->numa_node; + cfg.nb_queue_pairs = info.max_nb_queue_pairs; - cdev = rte_cryptodev_pmd_get_dev (cryptodev_id); - /** 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; + rte_cryptodev_configure (cryptodev_id, &cfg); - cfg.socket_id = info.device->numa_node; - cfg.nb_queue_pairs = info.max_nb_queue_pairs; + for (i = 0; i < info.max_nb_queue_pairs; i++) + { + struct rte_cryptodev_qp_conf qp_cfg; - rte_cryptodev_configure (cryptodev_id, &cfg); + qp_cfg.mp_session = 0; + qp_cfg.mp_session_private = 0; + qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS; - for (i = 0; i < info.max_nb_queue_pairs; i++) + ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg, + info.device->numa_node); + if (ret) { - struct rte_cryptodev_qp_conf qp_cfg; - - int ret; - - 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) - break; + 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 (i); } - for (i = 0; i < cdev->data->nb_queue_pairs; i++) + 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); @@ -1198,109 +700,378 @@ cryptodev_cmp (void *v1, void *v2) } static int -cryptodev_probe (vlib_main_t *vm, u32 n_workers) +cryptodev_supports_param_value (u32 *params, u32 param_value) +{ + u32 *value; + vec_foreach (value, params) + { + if (*value == param_value) + return 1; + } + return 0; +} + +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; - u32 n_queues = cryptodev_count_queue (vm->numa_node); - u32 i; - int ret; + cryptodev_capability_t *cap; + vec_foreach (cap, cmt->supported_caps) + { - /* If there is not enough queues, exit */ - if (n_queues < n_workers) - return -1; + if (cap->xform_type != idx->type) + continue; - for (i = 0; i < rte_cryptodev_count (); i++) + 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 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)) { - ret = cryptodev_configure (vm, i); - if (ret) - return ret; + 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++; } +} - vec_sort_with_function(cmt->cryptodev_inst, cryptodev_cmp); +static void +cryptodev_delete_cap (cryptodev_capability_t **temp_caps, u32 temp_cap_id) +{ + cryptodev_capability_t temp_cap = (*temp_caps)[temp_cap_id]; - return 0; + 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) + { + if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) + { + cap++; + continue; + } + + 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_get_session_sz (vlib_main_t *vm, uint32_t n_workers) +cryptodev_probe (vlib_main_t *vm, u32 n_workers) { - u32 sess_data_sz = 0, i; + cryptodev_main_t *cmt = &cryptodev_main; + u32 n_queues = cryptodev_count_queue (vm->numa_node); + u32 i; - if (rte_cryptodev_count () == 0) + if (n_queues < n_workers) return -1; for (i = 0; i < rte_cryptodev_count (); i++) - { - u32 dev_sess_sz = rte_cryptodev_sym_get_private_session_size (i); + cryptodev_configure (vm, i); - sess_data_sz = dev_sess_sz > sess_data_sz ? dev_sess_sz : sess_data_sz; - } + if (vec_len (cmt->cryptodev_inst) == 0) + return -1; + 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 sess_data_sz; + return 0; } static void -dpdk_disable_cryptodev_engine (vlib_main_t * vm) +cryptodev_get_max_sz (u32 *max_sess_sz, u32 *max_dp_sz) { cryptodev_main_t *cmt = &cryptodev_main; - cryptodev_numa_data_t *numa_data; + cryptodev_inst_t *cinst; + u32 max_sess = 0, max_dp = 0; - 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); + 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 -crypto_op_init (struct rte_mempool *mempool, - void *_arg __attribute__ ((unused)), - void *_obj, unsigned i __attribute__ ((unused))) +dpdk_disable_cryptodev_engine (vlib_main_t *vm) { - struct rte_crypto_op *op = _obj; + vlib_thread_main_t *tm = vlib_get_thread_main (); + cryptodev_main_t *cmt = &cryptodev_main; + u32 i; - 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; -} + for (i = (vlib_num_workers () > 0); i < tm->n_vlib_mains; i++) + { + u32 numa = vlib_get_main_by_index (i)->numa_node; + cryptodev_numa_data_t *numa_data; + vec_validate (cmt->per_numa_data, numa); + numa_data = cmt->per_numa_data + numa; + 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); + } +} 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_engine_thread_t *cet; 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; - u64 n_cop_elts; + u32 sess_sz, dp_sz; u32 eidx; u32 i; u8 *name = 0; clib_error_t *error; - struct rte_crypto_op_pool_private *priv; cmt->iova_mode = rte_eal_iova_mode (); - 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 ((u64)n_workers * CRYPTODEV_NB_CRYPTO_OPS); + vec_validate (cmt->per_numa_data, vm->numa_node); /* probe all cryptodev devices and get queue info */ if (cryptodev_probe (vm, n_workers) < 0) @@ -1309,6 +1080,8 @@ dpdk_cryptodev_init (vlib_main_t * vm) 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); @@ -1316,109 +1089,62 @@ dpdk_cryptodev_init (vlib_main_t * vm) 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%c", i, 0); - 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); - - numa = vlib_mains[i]->numa_node; + cet = cmt->per_thread_data + i; + numa = vlib_get_main_by_index (i)->numa_node; vec_validate (cmt->per_numa_data, numa); numa_data = vec_elt_at_index (cmt->per_numa_data, numa); - if (numa_data->sess_pool) - continue; - - /* 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) + if (!numa_data->sess_pool) { - 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); + /* 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); - goto err_handling; - } - - vec_free (name); - numa_data->sess_priv_pool = mp; + numa_data->sess_pool = mp; - /* create cryptodev op pool */ - name = format (0, "cryptodev_op_pool_%u%c", numa, 0); + /* 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; + } - 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; + + numa_data->sess_priv_pool = mp; } - 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; + cryptodev_assign_resource (cet, 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) \ - 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 _ + vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler); -#define _(a, b, c, d) \ - vnet_crypto_register_async_handler \ - (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_ENC, \ - cryptodev_enqueue_linked_alg_enc, \ - cryptodev_frame_dequeue); \ - vnet_crypto_register_async_handler \ - (vm, eidx, VNET_CRYPTO_OP_##a##_##c##_TAG##d##_DEC, \ - cryptodev_enqueue_linked_alg_dec, \ - cryptodev_frame_dequeue); - - foreach_cryptodev_link_async_alg -#undef _ + if (cryptodev_register_raw_hdl) + error = cryptodev_register_raw_hdl (vm, eidx); + else + error = cryptodev_register_cop_hdl (vm, eidx); - vnet_crypto_register_key_handler (vm, eidx, cryptodev_key_handler); + if (error) + goto err_handling; /* 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. @@ -1433,12 +1159,3 @@ err_handling: return error; } -/* *INDENT-On* */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/plugins/dpdk/cryptodev/cryptodev.h b/src/plugins/dpdk/cryptodev/cryptodev.h index 1f96aed1848..4c85e85a172 100644 --- a/src/plugins/dpdk/cryptodev/cryptodev.h +++ b/src/plugins/dpdk/cryptodev/cryptodev.h @@ -1,6 +1,6 @@ /* *------------------------------------------------------------------ - * Copyright (c) 2019 Intel and/or its affiliates. + * Copyright (c) 2019 - 2021 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: @@ -18,6 +18,184 @@ #define included_cryptodev_h #include <vnet/crypto/crypto.h> +#undef always_inline +#include <rte_cryptodev.h> + +#define CRYPTODEV_NB_CRYPTO_OPS 1024 +#define CRYPTODEV_CACHE_QUEUE_SIZE VNET_CRYPTO_FRAME_POOL_SIZE +#define CRYPTODEV_CACHE_QUEUE_MASK (VNET_CRYPTO_FRAME_POOL_SIZE - 1) +#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_IV_SIZE 16 +#define CRYPTODEV_MAX_AAD_SIZE 16 +#define CRYPTODEV_MAX_N_SGL 8 /**< maximum number of segments */ + +#define CRYPTODEV_IV_OFFSET (offsetof (cryptodev_op_t, iv)) +#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad)) + +/* 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; + +/* Cryptodev session data, one data per direction per numa */ +typedef struct +{ + struct rte_cryptodev_sym_session ***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; + +/* Cryptodev instance data */ +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); + struct rte_crypto_op op; + struct rte_crypto_sym_op sop; + u8 iv[CRYPTODEV_MAX_IV_SIZE]; + u8 aad[CRYPTODEV_MAX_AAD_SIZE]; + vnet_crypto_async_frame_t *frame; + u32 n_elts; +} cryptodev_op_t; + +typedef struct +{ + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); + vlib_buffer_t *b[VNET_CRYPTO_FRAME_SIZE]; + union + { + struct + { + cryptodev_op_t **cops; + struct rte_mempool *cop_pool; + struct rte_ring *ring; + }; + struct + { + struct rte_crypto_raw_dp_ctx *ctx; + struct rte_ring *cached_frame; + u16 aad_index; + u8 *aad_buf; + u64 aad_phy_addr; + struct rte_cryptodev_sym_session *reset_sess; + }; + }; + u16 cryptodev_id; + u16 cryptodev_q; + u16 inflight; +} 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; + u8 is_raw_api; +} cryptodev_main_t; + +extern cryptodev_main_t cryptodev_main; + +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; +} + +int cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx, + u32 aad_len); + +void cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop, + vnet_crypto_key_index_t idx, u32 aad_len); + +int cryptodev_check_cap_support (struct rte_cryptodev_sym_capability_idx *idx, + u32 key_size, u32 digest_size, u32 aad_size); + +clib_error_t *cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx); + +clib_error_t *__clib_weak cryptodev_register_raw_hdl (vlib_main_t *vm, + u32 eidx); clib_error_t * dpdk_cryptodev_init (vlib_main_t * vm); 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: - */ diff --git a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c new file mode 100644 index 00000000000..86f8e041f9e --- /dev/null +++ b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c @@ -0,0 +1,601 @@ + +/* + *------------------------------------------------------------------ + * Copyright (c) 2019 - 2021 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/crypto/crypto.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_ring_peek_zc.h> +#include <rte_config.h> + +#include "cryptodev.h" + +#if CLIB_DEBUG > 0 +#define always_inline static inline +#else +#define always_inline static inline __attribute__ ((__always_inline__)) +#endif + +#define CRYPTODEV_AAD_OFFSET (offsetof (cryptodev_op_t, aad)) + +#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 _ +}; + +static_always_inline rte_iova_t +cryptodev_get_iova (clib_pmalloc_main_t *pm, enum rte_iova_mode mode, + void *data) +{ + u64 index; + if (mode == RTE_IOVA_VA) + return (rte_iova_t) pointer_to_uword (data); + + index = clib_pmalloc_get_page_index (pm, data); + return pointer_to_uword (data) - pm->lookup_table[index]; +} + +static_always_inline void +cryptodev_validate_mbuf_chain (vlib_main_t *vm, struct rte_mbuf *mb, + vlib_buffer_t *b) +{ + struct rte_mbuf *first_mb = mb, *last_mb = mb; /**< last mbuf */ + /* when input node is not dpdk, mbuf data len is not initialized, for + * single buffer it is not a problem since the data length is written + * into cryptodev operation. For chained buffer a reference data length + * has to be computed through vlib_buffer. + * + * even when input node is dpdk, it is possible chained vlib_buffers + * are updated (either added or removed a buffer) but not not mbuf fields. + * we have to re-link every mbuf in the chain. + */ + u16 data_len = b->current_length + + (b->data + b->current_data - rte_pktmbuf_mtod (mb, u8 *)); + + first_mb->nb_segs = 1; + first_mb->pkt_len = first_mb->data_len = data_len; + + 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]; + } +} + +static_always_inline 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; +} + +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; + clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main; + cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index; + vnet_crypto_async_frame_elt_t *fe; + struct rte_cryptodev_sym_session *sess = 0; + cryptodev_op_t **cop; + u32 *bi; + u32 n_enqueue, n_elts; + 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 (cet->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) + { + cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index); + last_key_index = fe->key_index; + + if (key->keys[vm->numa_node][op_type] == 0) + { + if (PREDICT_FALSE ( + cryptodev_session_create (vm, last_key_index, 0) < 0)) + { + cryptodev_mark_frame_err_status ( + frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + } + sess = key->keys[vm->numa_node][op_type]; + } + + sop->m_src = rte_mbuf_from_vlib_buffer (b); + sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE; + 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)) + { + sop->m_src->data_off += fe->integ_start_offset; + integ_offset = 0; + crypto_offset = offset_diff; + } + sop->session = sess; + 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; + sop->auth.digest.phys_addr = + cryptodev_get_iova (pm, cmt->iova_mode, fe->digest); + if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)) + cryptodev_validate_mbuf_chain (vm, sop->m_src, b); + else + /* for input nodes that are not dpdk-input, it is possible the mbuf + * was updated before as one of the chained mbufs. Setting nb_segs + * to 1 here to prevent the cryptodev PMD to access potentially + * invalid m_src->next pointers. + */ + sop->m_src->nb_segs = 1; + 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_aead_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; + clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main; + cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index; + vnet_crypto_async_frame_elt_t *fe; + struct rte_cryptodev_sym_session *sess = 0; + cryptodev_op_t **cop; + u32 *bi; + u32 n_enqueue = 0, n_elts; + 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_MAX_INFLIGHT - 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 (cet->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; + 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) + { + cryptodev_key_t *key = vec_elt_at_index (cmt->keys, fe->key_index); + + last_key_index = fe->key_index; + if (key->keys[vm->numa_node][op_type] == 0) + { + if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index, + aad_len) < 0)) + { + cryptodev_mark_frame_err_status ( + frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + } + else if (PREDICT_FALSE ( + key->keys[vm->numa_node][op_type]->opaque_data != + aad_len)) + { + cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL, + fe->key_index, aad_len); + if (PREDICT_FALSE (cryptodev_session_create (vm, last_key_index, + aad_len) < 0)) + { + cryptodev_mark_frame_err_status ( + frame, VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR); + return -1; + } + } + + sess = key->keys[vm->numa_node][op_type]; + } + + sop->m_src = rte_mbuf_from_vlib_buffer (b); + sop->m_src->data_off = VLIB_BUFFER_PRE_DATA_SIZE; + 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 = sess; + 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; + sop->aead.digest.phys_addr = + cryptodev_get_iova (pm, cmt->iova_mode, fe->tag); + if (PREDICT_FALSE (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)) + cryptodev_validate_mbuf_chain (vm, sop->m_src, b); + else + /* for input nodes that are not dpdk-input, it is possible the mbuf + * was updated before as one of the chained mbufs. Setting nb_segs + * to 1 here to prevent the cryptodev PMD to access potentially + * invalid m_src->next pointers. + */ + sop->m_src->nb_segs = 1; + 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 u16 +cryptodev_ring_deq (struct rte_ring *r, cryptodev_op_t **cops) +{ + u16 n, n_elts = 0; + + n = rte_ring_dequeue_bulk_start (r, (void **) cops, 1, 0); + rte_ring_dequeue_finish (r, 0); + if (!n) + return 0; + + n = cops[0]->n_elts; + if (rte_ring_count (r) < n) + return 0; + + n_elts = rte_ring_sc_dequeue_bulk (r, (void **) cops, n, 0); + ASSERT (n_elts == n); + + return n_elts; +} + +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; + cryptodev_op_t **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 = rte_cryptodev_dequeue_burst ( + cet->cryptodev_id, cet->cryptodev_q, + (struct rte_crypto_op **) cet->cops, VNET_CRYPTO_FRAME_SIZE); + + if (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; + + n_elts = cryptodev_ring_deq (cet->ring, cop); + if (!n_elts) + return 0; + + frame = cop[0]->frame; + 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 (cet->cop_pool, (void **) cet->cops, frame->n_elts); + *nb_elts_processed = frame->n_elts; + *enqueue_thread_idx = frame->enqueue_thread_index; + return frame; +} + +static_always_inline int +cryptodev_enqueue_aead_aad_8_enc (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, + 8); +} +static_always_inline int +cryptodev_enqueue_aead_aad_12_enc (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, + 12); +} + +static_always_inline int +cryptodev_enqueue_aead_aad_8_dec (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_frame_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, + 8); +} +static_always_inline int +cryptodev_enqueue_aead_aad_12_dec (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_frame_aead_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); +} + +clib_error_t * +cryptodev_register_cop_hdl (vlib_main_t *vm, u32 eidx) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_engine_thread_t *cet; + 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; + u8 *name; + clib_error_t *error = 0; + + vec_foreach (cet, cmt->per_thread_data) + { + u32 thread_index = cet - cmt->per_thread_data; + u32 numa = vlib_get_main_by_index (thread_index)->numa_node; + name = format (0, "vpp_cop_pool_%u_%u", numa, thread_index); + cet->cop_pool = rte_mempool_create ( + (char *) name, CRYPTODEV_NB_CRYPTO_OPS, sizeof (cryptodev_op_t), 0, + sizeof (struct rte_crypto_op_pool_private), NULL, NULL, crypto_op_init, + NULL, vm->numa_node, 0); + if (!cet->cop_pool) + { + error = clib_error_return ( + 0, "Failed to create cryptodev op pool %s", name); + + goto error_exit; + } + vec_free (name); + + name = format (0, "frames_ring_%u_%u", numa, thread_index); + cet->ring = + rte_ring_create ((char *) name, CRYPTODEV_NB_CRYPTO_OPS, vm->numa_node, + RING_F_SP_ENQ | RING_F_SC_DEQ); + if (!cet->ring) + { + error = clib_error_return ( + 0, "Failed to create cryptodev op pool %s", name); + + goto error_exit; + } + vec_free (name); + + vec_validate (cet->cops, VNET_CRYPTO_FRAME_SIZE - 1); + } + + /** INDENT-OFF **/ +#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_aead_aad_##f##_enc, cryptodev_frame_dequeue); \ + vnet_crypto_register_async_handler ( \ + vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC, \ + cryptodev_enqueue_aead_aad_##f##_dec, cryptodev_frame_dequeue); \ + } + foreach_vnet_aead_crypto_conversion +#undef _ + +#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 _ + /** INDENT-ON **/ + + return 0; + +error_exit: + vec_foreach (cet, cmt->per_thread_data) + { + if (cet->ring) + rte_ring_free (cet->ring); + + if (cet->cop_pool) + rte_mempool_free (cet->cop_pool); + } + + return error; +} diff --git a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c new file mode 100644 index 00000000000..40e020f0b37 --- /dev/null +++ b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c @@ -0,0 +1,730 @@ +/* + *------------------------------------------------------------------ + * 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> + +#include "cryptodev.h" + +#if CLIB_DEBUG > 0 +#define always_inline static inline +#else +#define always_inline static inline __attribute__ ((__always_inline__)) +#endif + +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 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 void +cryptodev_reset_ctx (cryptodev_engine_thread_t *cet) +{ + union rte_cryptodev_session_ctx sess_ctx; + + ASSERT (cet->reset_sess != 0); + + sess_ctx.crypto_sess = cet->reset_sess; + + rte_cryptodev_configure_raw_dp_ctx (cet->cryptodev_id, cet->cryptodev_q, + cet->ctx, RTE_CRYPTO_OP_WITH_SESSION, + sess_ctx, 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; + vlib_buffer_t **b; + struct rte_crypto_vec vec[CRYPTODEV_MAX_N_SGL]; + struct rte_crypto_va_iova_ptr iv_vec, digest_vec; + u32 n_elts; + u32 last_key_index = ~0; + i16 min_ofs; + u32 max_end; + u8 is_update = 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); + + 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); + union rte_cryptodev_session_ctx sess_ctx; + + if (PREDICT_FALSE (key->keys[vm->numa_node][op_type] == 0)) + { + status = cryptodev_session_create (vm, fe->key_index, 0); + if (PREDICT_FALSE (status < 0)) + goto error_exit; + } + + /* Borrow a created session to reset session ctx, based on a valid + * assumption that the session reset won't happen until first valid + * packet is processed */ + if (PREDICT_FALSE (cet->reset_sess == 0)) + cet->reset_sess = key->keys[vm->numa_node][op_type]; + + sess_ctx.crypto_sess = key->keys[vm->numa_node][op_type]; + + status = rte_cryptodev_configure_raw_dp_ctx ( + cet->cryptodev_id, cet->cryptodev_q, cet->ctx, + RTE_CRYPTO_OP_WITH_SESSION, sess_ctx, is_update); + if (PREDICT_FALSE (status < 0)) + goto error_exit; + + last_key_index = fe->key_index; + is_update = 1; + } + + 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_raw_aead_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[CRYPTODEV_MAX_N_SGL]; + struct rte_crypto_va_iova_ptr iv_vec, digest_vec, aad_vec; + u32 last_key_index = ~0; + u8 is_update = 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); + + 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); + union rte_cryptodev_session_ctx sess_ctx; + + if (PREDICT_FALSE (key->keys[vm->numa_node][op_type] == 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]->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; + } + + /* Borrow a created session to reset session ctx, based on a valid + * assumption that the session reset won't happen until first valid + * packet is processed */ + + if (PREDICT_FALSE (cet->reset_sess == 0)) + cet->reset_sess = key->keys[vm->numa_node][op_type]; + + sess_ctx.crypto_sess = key->keys[vm->numa_node][op_type]; + + status = rte_cryptodev_configure_raw_dp_ctx ( + cet->cryptodev_id, cet->cryptodev_q, cet->ctx, + RTE_CRYPTO_OP_WITH_SESSION, sess_ctx, is_update); + if (PREDICT_FALSE (status < 0)) + goto error_exit; + + last_key_index = fe->key_index; + is_update = 1; + } + + 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_always_inline 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_always_inline 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_raw_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; +} + +static_always_inline int +cryptodev_raw_enq_aead_aad_8_enc (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, 8); +} +static_always_inline int +cryptodev_raw_enq_aead_aad_12_enc (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_ENCRYPT, 12); +} + +static_always_inline int +cryptodev_raw_enq_aead_aad_8_dec (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, 8); +} +static_always_inline int +cryptodev_raw_enq_aead_aad_12_dec (vlib_main_t *vm, + vnet_crypto_async_frame_t *frame) +{ + return cryptodev_raw_aead_enqueue (vm, frame, CRYPTODEV_OP_TYPE_DECRYPT, 12); +} + +static_always_inline int +cryptodev_raw_enq_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_raw_enq_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); +} + +clib_error_t * +cryptodev_register_raw_hdl (vlib_main_t *vm, u32 eidx) +{ + cryptodev_main_t *cmt = &cryptodev_main; + cryptodev_engine_thread_t *cet; + cryptodev_inst_t *cinst; + struct rte_cryptodev_info info; + 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; + u32 support_raw_api = 1, max_ctx_size = 0; + clib_error_t *error = 0; + + vec_foreach (cinst, cmt->cryptodev_inst) + { + u32 ctx_size; + rte_cryptodev_info_get (cinst->dev_id, &info); + if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_RAW_DP)) + { + support_raw_api = 0; + break; + } + + ctx_size = rte_cryptodev_get_raw_dp_ctx_size (cinst->dev_id); + max_ctx_size = clib_max (ctx_size, max_ctx_size); + } + + if (!support_raw_api) + return cryptodev_register_cop_hdl (vm, eidx); + + vec_foreach (cet, cmt->per_thread_data) + { + u32 thread_id = cet - cmt->per_thread_data; + u32 numa = vlib_get_main_by_index (thread_id)->numa_node; + u8 *name = format (0, "cache_frame_ring_%u_%u", numa, thread_id); + + cet->cached_frame = + rte_ring_create ((char *) name, CRYPTODEV_DEQ_CACHE_SZ, numa, + RING_F_SC_DEQ | RING_F_SP_ENQ); + + cet->aad_buf = rte_zmalloc_socket ( + 0, CRYPTODEV_NB_CRYPTO_OPS * CRYPTODEV_MAX_AAD_SIZE, + CLIB_CACHE_LINE_BYTES, numa); + if (cet->aad_buf == 0) + { + error = clib_error_return (0, "Failed to alloc aad buf"); + goto err_handling; + } + cet->aad_phy_addr = rte_malloc_virt2iova (cet->aad_buf); + + cet->ctx = + rte_zmalloc_socket (0, max_ctx_size, CLIB_CACHE_LINE_BYTES, numa); + if (!cet->ctx) + { + error = clib_error_return (0, "Failed to alloc raw dp ctx"); + goto err_handling; + } + + if (cet->cached_frame == 0) + { + error = clib_error_return (0, "Failed to alloc frame ring %s", name); + goto err_handling; + } + + vec_free (name); + } + +/** INDENT-OFF **/ +#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_raw_enq_aead_aad_##f##_enc, cryptodev_raw_dequeue); \ + vnet_crypto_register_async_handler ( \ + vm, eidx, VNET_CRYPTO_OP_##a##_TAG##e##_AAD##f##_DEC, \ + cryptodev_raw_enq_aead_aad_##f##_dec, cryptodev_raw_dequeue); \ + } + foreach_vnet_aead_crypto_conversion +#undef _ + +#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_raw_enq_linked_alg_enc, cryptodev_raw_dequeue); \ + vnet_crypto_register_async_handler ( \ + vm, eidx, VNET_CRYPTO_OP_##a##_##d##_TAG##e##_DEC, \ + cryptodev_raw_enq_linked_alg_dec, cryptodev_raw_dequeue); \ + } + foreach_cryptodev_link_async_alg +#undef _ + + cmt->is_raw_api = 1; + + return 0; + +err_handling: + vec_foreach (cet, cmt->per_thread_data) + { + if (cet->cached_frame) + rte_ring_free (cet->cached_frame); + } + + return error; +} |