ceph/src/spdk/dpdk/app/test-crypto-perf/cperf_test_verify.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #include <rte_malloc.h>
   6 #include <rte_cycles.h>
   7 #include <rte_crypto.h>
   8 #include <rte_cryptodev.h>
   9
  10 #include "cperf_test_verify.h"
  11 #include "cperf_ops.h"
  12 #include "cperf_test_common.h"
  13
  14 struct cperf_verify_ctx {
  15         uint8_t dev_id;
  16         uint16_t qp_id;
  17         uint8_t lcore_id;
  18
  19         struct rte_mempool *pool;
  20
  21         struct rte_cryptodev_sym_session *sess;
  22
  23         cperf_populate_ops_t populate_ops;
  24
  25         uint32_t src_buf_offset;
  26         uint32_t dst_buf_offset;
  27
  28         const struct cperf_options *options;
  29         const struct cperf_test_vector *test_vector;
  30 };
  31
  32 struct cperf_op_result {
  33         enum rte_crypto_op_status status;
  34 };
  35
  36 static void
  37 cperf_verify_test_free(struct cperf_verify_ctx *ctx)
  38 {
  39         if (ctx) {
  40                 if (ctx->sess) {
  41                         rte_cryptodev_sym_session_clear(ctx->dev_id, ctx->sess);
  42                         rte_cryptodev_sym_session_free(ctx->sess);
  43                 }
  44
  45                 if (ctx->pool)
  46                         rte_mempool_free(ctx->pool);
  47
  48                 rte_free(ctx);
  49         }
  50 }
  51
  52 void *
  53 cperf_verify_test_constructor(struct rte_mempool *sess_mp,
  54                 struct rte_mempool *sess_priv_mp,
  55                 uint8_t dev_id, uint16_t qp_id,
  56                 const struct cperf_options *options,
  57                 const struct cperf_test_vector *test_vector,
  58                 const struct cperf_op_fns *op_fns)
  59 {
  60         struct cperf_verify_ctx *ctx = NULL;
  61
  62         ctx = rte_malloc(NULL, sizeof(struct cperf_verify_ctx), 0);
  63         if (ctx == NULL)
  64                 goto err;
  65
  66         ctx->dev_id = dev_id;
  67         ctx->qp_id = qp_id;
  68
  69         ctx->populate_ops = op_fns->populate_ops;
  70         ctx->options = options;
  71         ctx->test_vector = test_vector;
  72
  73         /* IV goes at the end of the crypto operation */
  74         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
  75                 sizeof(struct rte_crypto_sym_op);
  76
  77         ctx->sess = op_fns->sess_create(sess_mp, sess_priv_mp, dev_id, options,
  78                         test_vector, iv_offset);
  79         if (ctx->sess == NULL)
  80                 goto err;
  81
  82         if (cperf_alloc_common_memory(options, test_vector, dev_id, qp_id, 0,
  83                         &ctx->src_buf_offset, &ctx->dst_buf_offset,
  84                         &ctx->pool) < 0)
  85                 goto err;
  86
  87         return ctx;
  88 err:
  89         cperf_verify_test_free(ctx);
  90
  91         return NULL;
  92 }
  93
  94 static int
  95 cperf_verify_op(struct rte_crypto_op *op,
  96                 const struct cperf_options *options,
  97                 const struct cperf_test_vector *vector)
  98 {
  99         const struct rte_mbuf *m;
 100         uint32_t len;
 101         uint16_t nb_segs;
 102         uint8_t *data;
 103         uint32_t cipher_offset, auth_offset;
 104         uint8_t cipher, auth;
 105         int res = 0;
 106
 107         if (op->status != RTE_CRYPTO_OP_STATUS_SUCCESS)
 108                 return 1;
 109
 110         if (op->sym->m_dst)
 111                 m = op->sym->m_dst;
 112         else
 113                 m = op->sym->m_src;
 114         nb_segs = m->nb_segs;
 115         len = 0;
 116         while (m && nb_segs != 0) {
 117                 len += m->data_len;
 118                 m = m->next;
 119                 nb_segs--;
 120         }
 121
 122         data = rte_malloc(NULL, len, 0);
 123         if (data == NULL)
 124                 return 1;
 125
 126         if (op->sym->m_dst)
 127                 m = op->sym->m_dst;
 128         else
 129                 m = op->sym->m_src;
 130         nb_segs = m->nb_segs;
 131         len = 0;
 132         while (m && nb_segs != 0) {
 133                 memcpy(data + len, rte_pktmbuf_mtod(m, uint8_t *),
 134                                 m->data_len);
 135                 len += m->data_len;
 136                 m = m->next;
 137                 nb_segs--;
 138         }
 139
 140         switch (options->op_type) {
 141         case CPERF_CIPHER_ONLY:
 142                 cipher = 1;
 143                 cipher_offset = 0;
 144                 auth = 0;
 145                 auth_offset = 0;
 146                 break;
 147         case CPERF_CIPHER_THEN_AUTH:
 148                 cipher = 1;
 149                 cipher_offset = 0;
 150                 auth = 1;
 151                 auth_offset = options->test_buffer_size;
 152                 break;
 153         case CPERF_AUTH_ONLY:
 154                 cipher = 0;
 155                 cipher_offset = 0;
 156                 auth = 1;
 157                 auth_offset = options->test_buffer_size;
 158                 break;
 159         case CPERF_AUTH_THEN_CIPHER:
 160                 cipher = 1;
 161                 cipher_offset = 0;
 162                 auth = 1;
 163                 auth_offset = options->test_buffer_size;
 164                 break;
 165         case CPERF_AEAD:
 166                 cipher = 1;
 167                 cipher_offset = 0;
 168                 auth = 1;
 169                 auth_offset = options->test_buffer_size;
 170                 break;
 171         default:
 172                 res = 1;
 173                 goto out;
 174         }
 175
 176         if (cipher == 1) {
 177                 if (options->cipher_op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 178                         res += memcmp(data + cipher_offset,
 179                                         vector->ciphertext.data,
 180                                         options->test_buffer_size);
 181                 else
 182                         res += memcmp(data + cipher_offset,
 183                                         vector->plaintext.data,
 184                                         options->test_buffer_size);
 185         }
 186
 187         if (auth == 1) {
 188                 if (options->auth_op == RTE_CRYPTO_AUTH_OP_GENERATE)
 189                         res += memcmp(data + auth_offset,
 190                                         vector->digest.data,
 191                                         options->digest_sz);
 192         }
 193
 194 out:
 195         rte_free(data);
 196         return !!res;
 197 }
 198
 199 static void
 200 cperf_mbuf_set(struct rte_mbuf *mbuf,
 201                 const struct cperf_options *options,
 202                 const struct cperf_test_vector *test_vector)
 203 {
 204         uint32_t segment_sz = options->segment_sz;
 205         uint8_t *mbuf_data;
 206         uint8_t *test_data =
 207                         (options->cipher_op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
 208                                         test_vector->plaintext.data :
 209                                         test_vector->ciphertext.data;
 210         uint32_t remaining_bytes = options->max_buffer_size;
 211
 212         while (remaining_bytes) {
 213                 mbuf_data = rte_pktmbuf_mtod(mbuf, uint8_t *);
 214
 215                 if (remaining_bytes <= segment_sz) {
 216                         memcpy(mbuf_data, test_data, remaining_bytes);
 217                         return;
 218                 }
 219
 220                 memcpy(mbuf_data, test_data, segment_sz);
 221                 remaining_bytes -= segment_sz;
 222                 test_data += segment_sz;
 223                 mbuf = mbuf->next;
 224         }
 225 }
 226
 227 int
 228 cperf_verify_test_runner(void *test_ctx)
 229 {
 230         struct cperf_verify_ctx *ctx = test_ctx;
 231
 232         uint64_t ops_enqd = 0, ops_enqd_total = 0, ops_enqd_failed = 0;
 233         uint64_t ops_deqd = 0, ops_deqd_total = 0, ops_deqd_failed = 0;
 234         uint64_t ops_failed = 0;
 235
 236         static int only_once;
 237
 238         uint64_t i;
 239         uint16_t ops_unused = 0;
 240         uint32_t imix_idx = 0;
 241
 242         struct rte_crypto_op *ops[ctx->options->max_burst_size];
 243         struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
 244
 245         uint32_t lcore = rte_lcore_id();
 246
 247 #ifdef CPERF_LINEARIZATION_ENABLE
 248         struct rte_cryptodev_info dev_info;
 249         int linearize = 0;
 250
 251         /* Check if source mbufs require coalescing */
 252         if (ctx->options->segment_sz < ctx->options->max_buffer_size) {
 253                 rte_cryptodev_info_get(ctx->dev_id, &dev_info);
 254                 if ((dev_info.feature_flags &
 255                                 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0)
 256                         linearize = 1;
 257         }
 258 #endif /* CPERF_LINEARIZATION_ENABLE */
 259
 260         ctx->lcore_id = lcore;
 261
 262         if (!ctx->options->csv)
 263                 printf("\n# Running verify test on device: %u, lcore: %u\n",
 264                         ctx->dev_id, lcore);
 265
 266         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
 267                 sizeof(struct rte_crypto_sym_op);
 268
 269         while (ops_enqd_total < ctx->options->total_ops) {
 270
 271                 uint16_t burst_size = ((ops_enqd_total + ctx->options->max_burst_size)
 272                                 <= ctx->options->total_ops) ?
 273                                                 ctx->options->max_burst_size :
 274                                                 ctx->options->total_ops -
 275                                                 ops_enqd_total;
 276
 277                 uint16_t ops_needed = burst_size - ops_unused;
 278
 279                 /* Allocate objects containing crypto operations and mbufs */
 280                 if (rte_mempool_get_bulk(ctx->pool, (void **)ops,
 281                                         ops_needed) != 0) {
 282                         RTE_LOG(ERR, USER1,
 283                                 "Failed to allocate more crypto operations "
 284                                 "from the crypto operation pool.\n"
 285                                 "Consider increasing the pool size "
 286                                 "with --pool-sz\n");
 287                         return -1;
 288                 }
 289
 290                 /* Setup crypto op, attach mbuf etc */
 291                 (ctx->populate_ops)(ops, ctx->src_buf_offset,
 292                                 ctx->dst_buf_offset,
 293                                 ops_needed, ctx->sess, ctx->options,
 294                                 ctx->test_vector, iv_offset, &imix_idx);
 295
 296
 297                 /* Populate the mbuf with the test vector, for verification */
 298                 for (i = 0; i < ops_needed; i++)
 299                         cperf_mbuf_set(ops[i]->sym->m_src,
 300                                         ctx->options,
 301                                         ctx->test_vector);
 302
 303 #ifdef CPERF_LINEARIZATION_ENABLE
 304                 if (linearize) {
 305                         /* PMD doesn't support scatter-gather and source buffer
 306                          * is segmented.
 307                          * We need to linearize it before enqueuing.
 308                          */
 309                         for (i = 0; i < burst_size; i++)
 310                                 rte_pktmbuf_linearize(ops[i]->sym->m_src);
 311                 }
 312 #endif /* CPERF_LINEARIZATION_ENABLE */
 313
 314                 /* Enqueue burst of ops on crypto device */
 315                 ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id,
 316                                 ops, burst_size);
 317                 if (ops_enqd < burst_size)
 318                         ops_enqd_failed++;
 319
 320                 /**
 321                  * Calculate number of ops not enqueued (mainly for hw
 322                  * accelerators whose ingress queue can fill up).
 323                  */
 324                 ops_unused = burst_size - ops_enqd;
 325                 ops_enqd_total += ops_enqd;
 326
 327
 328                 /* Dequeue processed burst of ops from crypto device */
 329                 ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 330                                 ops_processed, ctx->options->max_burst_size);
 331
 332                 if (ops_deqd == 0) {
 333                         /**
 334                          * Count dequeue polls which didn't return any
 335                          * processed operations. This statistic is mainly
 336                          * relevant to hw accelerators.
 337                          */
 338                         ops_deqd_failed++;
 339                         continue;
 340                 }
 341
 342                 for (i = 0; i < ops_deqd; i++) {
 343                         if (cperf_verify_op(ops_processed[i], ctx->options,
 344                                                 ctx->test_vector))
 345                                 ops_failed++;
 346                 }
 347                 /* Free crypto ops so they can be reused. */
 348                 rte_mempool_put_bulk(ctx->pool,
 349                                         (void **)ops_processed, ops_deqd);
 350                 ops_deqd_total += ops_deqd;
 351         }
 352
 353         /* Dequeue any operations still in the crypto device */
 354
 355         while (ops_deqd_total < ctx->options->total_ops) {
 356                 /* Sending 0 length burst to flush sw crypto device */
 357                 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 358
 359                 /* dequeue burst */
 360                 ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 361                                 ops_processed, ctx->options->max_burst_size);
 362                 if (ops_deqd == 0) {
 363                         ops_deqd_failed++;
 364                         continue;
 365                 }
 366
 367                 for (i = 0; i < ops_deqd; i++) {
 368                         if (cperf_verify_op(ops_processed[i], ctx->options,
 369                                                 ctx->test_vector))
 370                                 ops_failed++;
 371                 }
 372                 /* Free crypto ops so they can be reused. */
 373                 rte_mempool_put_bulk(ctx->pool,
 374                                         (void **)ops_processed, ops_deqd);
 375                 ops_deqd_total += ops_deqd;
 376         }
 377
 378         if (!ctx->options->csv) {
 379                 if (!only_once)
 380                         printf("%12s%12s%12s%12s%12s%12s%12s%12s\n\n",
 381                                 "lcore id", "Buf Size", "Burst size",
 382                                 "Enqueued", "Dequeued", "Failed Enq",
 383                                 "Failed Deq", "Failed Ops");
 384                 only_once = 1;
 385
 386                 printf("%12u%12u%12u%12"PRIu64"%12"PRIu64"%12"PRIu64
 387                                 "%12"PRIu64"%12"PRIu64"\n",
 388                                 ctx->lcore_id,
 389                                 ctx->options->max_buffer_size,
 390                                 ctx->options->max_burst_size,
 391                                 ops_enqd_total,
 392                                 ops_deqd_total,
 393                                 ops_enqd_failed,
 394                                 ops_deqd_failed,
 395                                 ops_failed);
 396         } else {
 397                 if (!only_once)
 398                         printf("\n# lcore id, Buffer Size(B), "
 399                                 "Burst Size,Enqueued,Dequeued,Failed Enq,"
 400                                 "Failed Deq,Failed Ops\n");
 401                 only_once = 1;
 402
 403                 printf("%10u;%10u;%u;%"PRIu64";%"PRIu64";%"PRIu64";%"PRIu64";"
 404                                 "%"PRIu64"\n",
 405                                 ctx->lcore_id,
 406                                 ctx->options->max_buffer_size,
 407                                 ctx->options->max_burst_size,
 408                                 ops_enqd_total,
 409                                 ops_deqd_total,
 410                                 ops_enqd_failed,
 411                                 ops_deqd_failed,
 412                                 ops_failed);
 413         }
 414
 415         return 0;
 416 }
 417
 418
 419
 420 void
 421 cperf_verify_test_destructor(void *arg)
 422 {
 423         struct cperf_verify_ctx *ctx = arg;
 424
 425         if (ctx == NULL)
 426                 return;
 427
 428         cperf_verify_test_free(ctx);
 429 }