src/plugins/crypto_sw_scheduler/main.c

   1 /*
   2  * Copyright (c) 2020 Intel and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <vlib/vlib.h>
  17 #include <vnet/plugin/plugin.h>
  18 #include <vpp/app/version.h>
  19
  20 #include "crypto_sw_scheduler.h"
  21
  22 int
  23 crypto_sw_scheduler_set_worker_crypto (u32 worker_idx, u8 enabled)
  24 {
  25   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
  26   vlib_thread_main_t *tm = vlib_get_thread_main ();
  27   crypto_sw_scheduler_per_thread_data_t *ptd = 0;
  28   u32 count = 0, i = vlib_num_workers () > 0;
  29
  30   if (worker_idx >= vlib_num_workers ())
  31     {
  32       return VNET_API_ERROR_INVALID_VALUE;
  33     }
  34
  35   for (; i < tm->n_vlib_mains; i++)
  36     {
  37       ptd = cm->per_thread_data + i;
  38       count += ptd->self_crypto_enabled;
  39     }
  40
  41   if (enabled || count > 1)
  42     {
  43       cm->per_thread_data[vlib_get_worker_thread_index
  44                           (worker_idx)].self_crypto_enabled = enabled;
  45     }
  46   else                          /* cannot disable all crypto workers */
  47     {
  48       return VNET_API_ERROR_INVALID_VALUE_2;
  49     }
  50   return 0;
  51 }
  52
  53 static void
  54 crypto_sw_scheduler_key_handler (vlib_main_t * vm, vnet_crypto_key_op_t kop,
  55                                  vnet_crypto_key_index_t idx)
  56 {
  57   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
  58   vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
  59
  60   vec_validate (cm->keys, idx);
  61
  62   if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
  63     {
  64       if (kop == VNET_CRYPTO_KEY_OP_DEL)
  65         {
  66           cm->keys[idx].index_crypto = UINT32_MAX;
  67           cm->keys[idx].index_integ = UINT32_MAX;
  68         }
  69       else
  70         {
  71           cm->keys[idx] = *key;
  72         }
  73     }
  74 }
  75
  76 static int
  77 crypto_sw_scheduler_frame_enqueue (vlib_main_t * vm,
  78                                    vnet_crypto_async_frame_t * frame)
  79 {
  80   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
  81   crypto_sw_scheduler_per_thread_data_t *ptd
  82     = vec_elt_at_index (cm->per_thread_data, vm->thread_index);
  83   crypto_sw_scheduler_queue_t *q = ptd->queues[frame->op];
  84   u64 head = q->head;
  85
  86   if (q->jobs[head & CRYPTO_SW_SCHEDULER_QUEUE_MASK])
  87     {
  88       u32 n_elts = frame->n_elts, i;
  89       for (i = 0; i < n_elts; i++)
  90         frame->elts[i].status = VNET_CRYPTO_OP_STATUS_FAIL_ENGINE_ERR;
  91       return -1;
  92     }
  93   q->jobs[head & CRYPTO_SW_SCHEDULER_QUEUE_MASK] = frame;
  94   head += 1;
  95   CLIB_MEMORY_STORE_BARRIER ();
  96   q->head = head;
  97   return 0;
  98 }
  99
 100 static_always_inline vnet_crypto_async_frame_t *
 101 crypto_sw_scheduler_get_pending_frame (crypto_sw_scheduler_queue_t * q)
 102 {
 103   vnet_crypto_async_frame_t *f;
 104   u32 i;
 105   u32 tail = q->tail;
 106   u32 head = q->head;
 107
 108   for (i = tail; i < head; i++)
 109     {
 110       f = q->jobs[i & CRYPTO_SW_SCHEDULER_QUEUE_MASK];
 111       if (!f)
 112         continue;
 113       if (clib_atomic_bool_cmp_and_swap
 114           (&f->state, VNET_CRYPTO_FRAME_STATE_PENDING,
 115            VNET_CRYPTO_FRAME_STATE_WORK_IN_PROGRESS))
 116         {
 117           return f;
 118         }
 119     }
 120   return NULL;
 121 }
 122
 123 static_always_inline vnet_crypto_async_frame_t *
 124 crypto_sw_scheduler_get_completed_frame (crypto_sw_scheduler_queue_t * q)
 125 {
 126   vnet_crypto_async_frame_t *f = 0;
 127   if (q->jobs[q->tail & CRYPTO_SW_SCHEDULER_QUEUE_MASK]
 128       && q->jobs[q->tail & CRYPTO_SW_SCHEDULER_QUEUE_MASK]->state
 129       >= VNET_CRYPTO_FRAME_STATE_SUCCESS)
 130     {
 131       u32 tail = q->tail;
 132       CLIB_MEMORY_STORE_BARRIER ();
 133       q->tail++;
 134       f = q->jobs[tail & CRYPTO_SW_SCHEDULER_QUEUE_MASK];
 135       q->jobs[tail & CRYPTO_SW_SCHEDULER_QUEUE_MASK] = 0;
 136     }
 137   return f;
 138 }
 139
 140 static_always_inline void
 141 cryptodev_sw_scheduler_sgl (vlib_main_t * vm,
 142                             crypto_sw_scheduler_per_thread_data_t * ptd,
 143                             vlib_buffer_t * b, vnet_crypto_op_t * op,
 144                             i32 offset, i32 len)
 145 {
 146   vnet_crypto_op_chunk_t *ch;
 147   vlib_buffer_t *nb = b;
 148   u32 n_chunks = 0;
 149   u32 chunk_index = vec_len (ptd->chunks);
 150
 151   op->flags |= VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS;
 152
 153   while (len)
 154     {
 155       if (nb->current_data + nb->current_length > offset)
 156         {
 157           vec_add2 (ptd->chunks, ch, 1);
 158           ch->src = ch->dst = nb->data + offset;
 159           ch->len
 160             = clib_min (nb->current_data + nb->current_length - offset, len);
 161           len -= ch->len;
 162           offset = 0;
 163           n_chunks++;
 164           if (!len)
 165             break;
 166         }
 167       if (offset)
 168         offset -= nb->current_data + nb->current_length;
 169       if (nb->flags & VLIB_BUFFER_NEXT_PRESENT)
 170         nb = vlib_get_buffer (vm, nb->next_buffer);
 171       else
 172         break;
 173     }
 174
 175   ASSERT (offset == 0 && len == 0);
 176   op->chunk_index = chunk_index;
 177   op->n_chunks = n_chunks;
 178 }
 179
 180 static_always_inline void
 181 crypto_sw_scheduler_convert_aead (vlib_main_t * vm,
 182                                   crypto_sw_scheduler_per_thread_data_t * ptd,
 183                                   vnet_crypto_async_frame_elt_t * fe,
 184                                   u32 index, u32 bi,
 185                                   vnet_crypto_op_id_t op_id, u16 aad_len,
 186                                   u8 tag_len)
 187 {
 188   vlib_buffer_t *b = vlib_get_buffer (vm, bi);
 189   vnet_crypto_op_t *op = 0;
 190
 191   if (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
 192     {
 193       vec_add2 (ptd->chained_crypto_ops, op, 1);
 194       cryptodev_sw_scheduler_sgl (vm, ptd, b, op, fe->crypto_start_offset,
 195                                   fe->crypto_total_length);
 196     }
 197   else
 198     {
 199       vec_add2 (ptd->crypto_ops, op, 1);
 200       op->src = op->dst = b->data + fe->crypto_start_offset;
 201       op->len = fe->crypto_total_length;
 202     }
 203
 204   op->op = op_id;
 205   op->tag = fe->tag;
 206   op->flags = fe->flags;
 207   op->key_index = fe->key_index;
 208   op->iv = fe->iv;
 209   op->aad = fe->aad;
 210   op->aad_len = aad_len;
 211   op->tag_len = tag_len;
 212   op->user_data = index;
 213 }
 214
 215 static_always_inline void
 216 crypto_sw_scheduler_convert_link_crypto (vlib_main_t * vm,
 217                                          crypto_sw_scheduler_per_thread_data_t
 218                                          * ptd, vnet_crypto_key_t * key,
 219                                          vnet_crypto_async_frame_elt_t * fe,
 220                                          u32 index, u32 bi,
 221                                          vnet_crypto_op_id_t crypto_op_id,
 222                                          vnet_crypto_op_id_t integ_op_id,
 223                                          u32 digest_len, u8 is_enc)
 224 {
 225   vlib_buffer_t *b = vlib_get_buffer (vm, bi);
 226   vnet_crypto_op_t *crypto_op = 0, *integ_op = 0;
 227
 228   if (fe->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS)
 229     {
 230       vec_add2 (ptd->chained_crypto_ops, crypto_op, 1);
 231       vec_add2 (ptd->chained_integ_ops, integ_op, 1);
 232       cryptodev_sw_scheduler_sgl (vm, ptd, b, crypto_op,
 233                                   fe->crypto_start_offset,
 234                                   fe->crypto_total_length);
 235       cryptodev_sw_scheduler_sgl (vm, ptd, b, integ_op,
 236                                   fe->integ_start_offset,
 237                                   fe->crypto_total_length +
 238                                   fe->integ_length_adj);
 239     }
 240   else
 241     {
 242       vec_add2 (ptd->crypto_ops, crypto_op, 1);
 243       vec_add2 (ptd->integ_ops, integ_op, 1);
 244       crypto_op->src = crypto_op->dst = b->data + fe->crypto_start_offset;
 245       crypto_op->len = fe->crypto_total_length;
 246       integ_op->src = integ_op->dst = b->data + fe->integ_start_offset;
 247       integ_op->len = fe->crypto_total_length + fe->integ_length_adj;
 248     }
 249
 250   crypto_op->op = crypto_op_id;
 251   crypto_op->iv = fe->iv;
 252   crypto_op->key_index = key->index_crypto;
 253   crypto_op->user_data = 0;
 254   integ_op->op = integ_op_id;
 255   integ_op->digest = fe->digest;
 256   integ_op->digest_len = digest_len;
 257   integ_op->key_index = key->index_integ;
 258   if (is_enc)
 259     crypto_op->flags |= VNET_CRYPTO_OP_FLAG_INIT_IV;
 260   else
 261     integ_op->flags |= VNET_CRYPTO_OP_FLAG_HMAC_CHECK;
 262   crypto_op->user_data = integ_op->user_data = index;
 263 }
 264
 265 static_always_inline void
 266 process_ops (vlib_main_t * vm, vnet_crypto_async_frame_t * f,
 267              vnet_crypto_op_t * ops, u8 * state)
 268 {
 269   u32 n_fail, n_ops = vec_len (ops);
 270   vnet_crypto_op_t *op = ops;
 271
 272   if (n_ops == 0)
 273     return;
 274
 275   n_fail = n_ops - vnet_crypto_process_ops (vm, op, n_ops);
 276
 277   while (n_fail)
 278     {
 279       ASSERT (op - ops < n_ops);
 280
 281       if (op->status != VNET_CRYPTO_OP_STATUS_COMPLETED)
 282         {
 283           f->elts[op->user_data].status = op->status;
 284           *state = VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
 285           n_fail--;
 286         }
 287       op++;
 288     }
 289 }
 290
 291 static_always_inline void
 292 process_chained_ops (vlib_main_t * vm, vnet_crypto_async_frame_t * f,
 293                      vnet_crypto_op_t * ops, vnet_crypto_op_chunk_t * chunks,
 294                      u8 * state)
 295 {
 296   u32 n_fail, n_ops = vec_len (ops);
 297   vnet_crypto_op_t *op = ops;
 298
 299   if (n_ops == 0)
 300     return;
 301
 302   n_fail = n_ops - vnet_crypto_process_chained_ops (vm, op, chunks, n_ops);
 303
 304   while (n_fail)
 305     {
 306       ASSERT (op - ops < n_ops);
 307
 308       if (op->status != VNET_CRYPTO_OP_STATUS_COMPLETED)
 309         {
 310           f->elts[op->user_data].status = op->status;
 311           *state = VNET_CRYPTO_FRAME_STATE_ELT_ERROR;
 312           n_fail--;
 313         }
 314       op++;
 315     }
 316 }
 317
 318 static_always_inline vnet_crypto_async_frame_t *
 319 crypto_sw_scheduler_dequeue_aead (vlib_main_t * vm,
 320                                   vnet_crypto_async_op_id_t async_op_id,
 321                                   vnet_crypto_op_id_t sync_op_id, u8 tag_len,
 322                                   u8 aad_len, u32 * nb_elts_processed,
 323                                   u32 * enqueue_thread_idx)
 324 {
 325   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
 326   crypto_sw_scheduler_per_thread_data_t *ptd = 0;
 327   crypto_sw_scheduler_queue_t *q = 0;
 328   vnet_crypto_async_frame_t *f = 0;
 329   vnet_crypto_async_frame_elt_t *fe;
 330   u32 *bi;
 331   u32 n_elts;
 332   int i = 0;
 333   u8 state = VNET_CRYPTO_FRAME_STATE_SUCCESS;
 334
 335   if (cm->per_thread_data[vm->thread_index].self_crypto_enabled)
 336     {
 337       /* *INDENT-OFF* */
 338       vec_foreach_index (i, cm->per_thread_data)
 339       {
 340         ptd = cm->per_thread_data + i;
 341         q = ptd->queues[async_op_id];
 342         f = crypto_sw_scheduler_get_pending_frame (q);
 343         if (f)
 344           break;
 345       }
 346       /* *INDENT-ON* */
 347     }
 348
 349   ptd = cm->per_thread_data + vm->thread_index;
 350
 351   if (f)
 352     {
 353       *nb_elts_processed = n_elts = f->n_elts;
 354       fe = f->elts;
 355       bi = f->buffer_indices;
 356
 357       vec_reset_length (ptd->crypto_ops);
 358       vec_reset_length (ptd->chained_crypto_ops);
 359       vec_reset_length (ptd->chunks);
 360
 361       while (n_elts--)
 362         {
 363           if (n_elts > 1)
 364             CLIB_PREFETCH (fe + 1, CLIB_CACHE_LINE_BYTES, LOAD);
 365
 366           crypto_sw_scheduler_convert_aead (vm, ptd, fe, fe - f->elts, bi[0],
 367                                             sync_op_id, aad_len, tag_len);
 368           bi++;
 369           fe++;
 370         }
 371
 372       process_ops (vm, f, ptd->crypto_ops, &state);
 373       process_chained_ops (vm, f, ptd->chained_crypto_ops, ptd->chunks,
 374                            &state);
 375       f->state = state;
 376       *enqueue_thread_idx = f->enqueue_thread_index;
 377     }
 378
 379   return crypto_sw_scheduler_get_completed_frame (ptd->queues[async_op_id]);
 380 }
 381
 382 static_always_inline vnet_crypto_async_frame_t *
 383 crypto_sw_scheduler_dequeue_link (vlib_main_t * vm,
 384                                   vnet_crypto_async_op_id_t async_op_id,
 385                                   vnet_crypto_op_id_t sync_crypto_op_id,
 386                                   vnet_crypto_op_id_t sync_integ_op_id,
 387                                   u16 digest_len, u8 is_enc,
 388                                   u32 * nb_elts_processed,
 389                                   u32 * enqueue_thread_idx)
 390 {
 391   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
 392   crypto_sw_scheduler_per_thread_data_t *ptd = 0;
 393   crypto_sw_scheduler_queue_t *q = 0;
 394   vnet_crypto_async_frame_t *f = 0;
 395   vnet_crypto_async_frame_elt_t *fe;
 396   u32 *bi;
 397   u32 n_elts;
 398   int i = 0;
 399   u8 state = VNET_CRYPTO_FRAME_STATE_SUCCESS;
 400
 401   if (cm->per_thread_data[vm->thread_index].self_crypto_enabled)
 402     {
 403       /* *INDENT-OFF* */
 404       vec_foreach_index (i, cm->per_thread_data)
 405       {
 406         ptd = cm->per_thread_data + i;
 407         q = ptd->queues[async_op_id];
 408         f = crypto_sw_scheduler_get_pending_frame (q);
 409         if (f)
 410           break;
 411       }
 412       /* *INDENT-ON* */
 413     }
 414
 415   ptd = cm->per_thread_data + vm->thread_index;
 416
 417   if (f)
 418     {
 419       vec_reset_length (ptd->crypto_ops);
 420       vec_reset_length (ptd->integ_ops);
 421       vec_reset_length (ptd->chained_crypto_ops);
 422       vec_reset_length (ptd->chained_integ_ops);
 423       vec_reset_length (ptd->chunks);
 424
 425       *nb_elts_processed = n_elts = f->n_elts;
 426       fe = f->elts;
 427       bi = f->buffer_indices;
 428
 429       while (n_elts--)
 430         {
 431           if (n_elts > 1)
 432             CLIB_PREFETCH (fe + 1, CLIB_CACHE_LINE_BYTES, LOAD);
 433
 434           crypto_sw_scheduler_convert_link_crypto (vm, ptd,
 435                                                    cm->keys + fe->key_index,
 436                                                    fe, fe - f->elts, bi[0],
 437                                                    sync_crypto_op_id,
 438                                                    sync_integ_op_id,
 439                                                    digest_len, is_enc);
 440           bi++;
 441           fe++;
 442         }
 443
 444       if (is_enc)
 445         {
 446           process_ops (vm, f, ptd->crypto_ops, &state);
 447           process_chained_ops (vm, f, ptd->chained_crypto_ops, ptd->chunks,
 448                                &state);
 449           process_ops (vm, f, ptd->integ_ops, &state);
 450           process_chained_ops (vm, f, ptd->chained_integ_ops, ptd->chunks,
 451                                &state);
 452         }
 453       else
 454         {
 455           process_ops (vm, f, ptd->integ_ops, &state);
 456           process_chained_ops (vm, f, ptd->chained_integ_ops, ptd->chunks,
 457                                &state);
 458           process_ops (vm, f, ptd->crypto_ops, &state);
 459           process_chained_ops (vm, f, ptd->chained_crypto_ops, ptd->chunks,
 460                                &state);
 461         }
 462
 463       f->state = state;
 464       *enqueue_thread_idx = f->enqueue_thread_index;
 465     }
 466
 467   return crypto_sw_scheduler_get_completed_frame (ptd->queues[async_op_id]);
 468 }
 469
 470 static clib_error_t *
 471 sw_scheduler_set_worker_crypto (vlib_main_t * vm, unformat_input_t * input,
 472                                 vlib_cli_command_t * cmd)
 473 {
 474   unformat_input_t _line_input, *line_input = &_line_input;
 475   u32 worker_index;
 476   u8 crypto_enable;
 477   int rv;
 478
 479   /* Get a line of input. */
 480   if (!unformat_user (input, unformat_line_input, line_input))
 481     return 0;
 482
 483   while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
 484     {
 485       if (unformat (line_input, "worker %u", &worker_index))
 486         {
 487           if (unformat (line_input, "crypto"))
 488             {
 489               if (unformat (line_input, "on"))
 490                 crypto_enable = 1;
 491               else if (unformat (line_input, "off"))
 492                 crypto_enable = 0;
 493               else
 494                 return (clib_error_return (0, "unknown input '%U'",
 495                                            format_unformat_error,
 496                                            line_input));
 497             }
 498           else
 499             return (clib_error_return (0, "unknown input '%U'",
 500                                        format_unformat_error, line_input));
 501         }
 502       else
 503         return (clib_error_return (0, "unknown input '%U'",
 504                                    format_unformat_error, line_input));
 505     }
 506
 507   rv = crypto_sw_scheduler_set_worker_crypto (worker_index, crypto_enable);
 508   if (rv == VNET_API_ERROR_INVALID_VALUE)
 509     {
 510       return (clib_error_return (0, "invalid worker idx: %d", worker_index));
 511     }
 512   else if (rv == VNET_API_ERROR_INVALID_VALUE_2)
 513     {
 514       return (clib_error_return (0, "cannot disable all crypto workers"));
 515     }
 516   return 0;
 517 }
 518
 519 /*?
 520  * This command sets if worker will do crypto processing.
 521  *
 522  * @cliexpar
 523  * Example of how to set worker crypto processing off:
 524  * @cliexstart{set sw_scheduler worker 0 crypto off}
 525  * @cliexend
 526  ?*/
 527 /* *INDENT-OFF* */
 528 VLIB_CLI_COMMAND (cmd_set_sw_scheduler_worker_crypto, static) = {
 529   .path = "set sw_scheduler",
 530   .short_help = "set sw_scheduler worker <idx> crypto <on|off>",
 531   .function = sw_scheduler_set_worker_crypto,
 532   .is_mp_safe = 1,
 533 };
 534 /* *INDENT-ON* */
 535
 536 static clib_error_t *
 537 sw_scheduler_show_workers (vlib_main_t * vm, unformat_input_t * input,
 538                            vlib_cli_command_t * cmd)
 539 {
 540   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
 541   u32 i;
 542
 543   vlib_cli_output (vm, "%-7s%-20s%-8s", "ID", "Name", "Crypto");
 544   for (i = 1; i < vlib_thread_main.n_vlib_mains; i++)
 545     {
 546       vlib_cli_output (vm, "%-7d%-20s%-8s", vlib_get_worker_index (i),
 547                        (vlib_worker_threads + i)->name,
 548                        cm->
 549                        per_thread_data[i].self_crypto_enabled ? "on" : "off");
 550     }
 551
 552   return 0;
 553 }
 554
 555 /*?
 556  * This command displays sw_scheduler workers.
 557  *
 558  * @cliexpar
 559  * Example of how to show workers:
 560  * @cliexstart{show sw_scheduler workers}
 561  * @cliexend
 562  ?*/
 563 /* *INDENT-OFF* */
 564 VLIB_CLI_COMMAND (cmd_show_sw_scheduler_workers, static) = {
 565   .path = "show sw_scheduler workers",
 566   .short_help = "show sw_scheduler workers",
 567   .function = sw_scheduler_show_workers,
 568   .is_mp_safe = 1,
 569 };
 570 /* *INDENT-ON* */
 571
 572 clib_error_t *
 573 sw_scheduler_cli_init (vlib_main_t * vm)
 574 {
 575   return 0;
 576 }
 577
 578 VLIB_INIT_FUNCTION (sw_scheduler_cli_init);
 579
 580 /* *INDENT-OFF* */
 581 #define _(n, s, k, t, a)                                                      \
 582   static vnet_crypto_async_frame_t                                            \
 583       *crypto_sw_scheduler_frame_dequeue_##n##_TAG_##t##_AAD_##a##_enc (      \
 584           vlib_main_t *vm, u32 *nb_elts_processed, u32 * thread_idx)          \
 585   {                                                                           \
 586     return crypto_sw_scheduler_dequeue_aead (                                 \
 587         vm, VNET_CRYPTO_OP_##n##_TAG##t##_AAD##a##_ENC,                       \
 588         VNET_CRYPTO_OP_##n##_ENC, t, a, nb_elts_processed, thread_idx);       \
 589   }                                                                           \
 590   static vnet_crypto_async_frame_t                                            \
 591       *crypto_sw_scheduler_frame_dequeue_##n##_TAG_##t##_AAD_##a##_dec (      \
 592           vlib_main_t *vm, u32 *nb_elts_processed, u32 * thread_idx)          \
 593   {                                                                           \
 594     return crypto_sw_scheduler_dequeue_aead (                                 \
 595         vm, VNET_CRYPTO_OP_##n##_TAG##t##_AAD##a##_DEC,                       \
 596         VNET_CRYPTO_OP_##n##_DEC, t, a, nb_elts_processed, thread_idx);       \
 597   }
 598 foreach_crypto_aead_async_alg
 599 #undef _
 600
 601 #define _(c, h, s, k, d)                                                      \
 602   static vnet_crypto_async_frame_t                                            \
 603       *crypto_sw_scheduler_frame_dequeue_##c##_##h##_TAG##d##_enc (           \
 604           vlib_main_t *vm, u32 *nb_elts_processed, u32 * thread_idx)          \
 605   {                                                                           \
 606     return crypto_sw_scheduler_dequeue_link (                                 \
 607         vm, VNET_CRYPTO_OP_##c##_##h##_TAG##d##_ENC,                          \
 608         VNET_CRYPTO_OP_##c##_ENC, VNET_CRYPTO_OP_##h##_HMAC, d, 1,            \
 609         nb_elts_processed, thread_idx);                                       \
 610   }                                                                           \
 611   static vnet_crypto_async_frame_t                                            \
 612       *crypto_sw_scheduler_frame_dequeue_##c##_##h##_TAG##d##_dec (           \
 613           vlib_main_t *vm, u32 *nb_elts_processed, u32 * thread_idx)          \
 614   {                                                                           \
 615     return crypto_sw_scheduler_dequeue_link (                                 \
 616         vm, VNET_CRYPTO_OP_##c##_##h##_TAG##d##_DEC,                          \
 617         VNET_CRYPTO_OP_##c##_DEC, VNET_CRYPTO_OP_##h##_HMAC, d, 0,            \
 618         nb_elts_processed, thread_idx);                                       \
 619   }
 620     foreach_crypto_link_async_alg
 621 #undef _
 622         /* *INDENT-ON* */
 623
 624 crypto_sw_scheduler_main_t crypto_sw_scheduler_main;
 625 clib_error_t *
 626 crypto_sw_scheduler_init (vlib_main_t * vm)
 627 {
 628   crypto_sw_scheduler_main_t *cm = &crypto_sw_scheduler_main;
 629   vlib_thread_main_t *tm = vlib_get_thread_main ();
 630   clib_error_t *error = 0;
 631   crypto_sw_scheduler_per_thread_data_t *ptd;
 632
 633   u32 queue_size = CRYPTO_SW_SCHEDULER_QUEUE_SIZE * sizeof (void *)
 634     + sizeof (crypto_sw_scheduler_queue_t);
 635
 636   vec_validate_aligned (cm->per_thread_data, tm->n_vlib_mains - 1,
 637                         CLIB_CACHE_LINE_BYTES);
 638
 639   vec_foreach (ptd, cm->per_thread_data)
 640   {
 641     ptd->self_crypto_enabled = 1;
 642     u32 i;
 643     for (i = 0; i < VNET_CRYPTO_ASYNC_OP_N_IDS; i++)
 644       {
 645         crypto_sw_scheduler_queue_t *q
 646           = clib_mem_alloc_aligned (queue_size, CLIB_CACHE_LINE_BYTES);
 647         ASSERT (q != 0);
 648         ptd->queues[i] = q;
 649         clib_memset_u8 (q, 0, queue_size);
 650       }
 651   }
 652
 653   cm->crypto_engine_index =
 654     vnet_crypto_register_engine (vm, "sw_scheduler", 100,
 655                                  "SW Scheduler Async Engine");
 656
 657   vnet_crypto_register_key_handler (vm, cm->crypto_engine_index,
 658                                     crypto_sw_scheduler_key_handler);
 659
 660   crypto_sw_scheduler_api_init (vm);
 661
 662   /* *INDENT-OFF* */
 663 #define _(n, s, k, t, a)                                                      \
 664   vnet_crypto_register_async_handler (                                        \
 665       vm, cm->crypto_engine_index,                                            \
 666       VNET_CRYPTO_OP_##n##_TAG##t##_AAD##a##_ENC,                             \
 667       crypto_sw_scheduler_frame_enqueue,                                      \
 668       crypto_sw_scheduler_frame_dequeue_##n##_TAG_##t##_AAD_##a##_enc);       \
 669   vnet_crypto_register_async_handler (                                        \
 670       vm, cm->crypto_engine_index,                                            \
 671       VNET_CRYPTO_OP_##n##_TAG##t##_AAD##a##_DEC,                             \
 672       crypto_sw_scheduler_frame_enqueue,                                      \
 673       crypto_sw_scheduler_frame_dequeue_##n##_TAG_##t##_AAD_##a##_dec);
 674   foreach_crypto_aead_async_alg
 675 #undef _
 676
 677 #define _(c, h, s, k, d)                                                      \
 678   vnet_crypto_register_async_handler (                                        \
 679       vm, cm->crypto_engine_index, VNET_CRYPTO_OP_##c##_##h##_TAG##d##_ENC,   \
 680       crypto_sw_scheduler_frame_enqueue,                                      \
 681       crypto_sw_scheduler_frame_dequeue_##c##_##h##_TAG##d##_enc);            \
 682   vnet_crypto_register_async_handler (                                        \
 683       vm, cm->crypto_engine_index, VNET_CRYPTO_OP_##c##_##h##_TAG##d##_DEC,   \
 684       crypto_sw_scheduler_frame_enqueue,                                      \
 685       crypto_sw_scheduler_frame_dequeue_##c##_##h##_TAG##d##_dec);
 686       foreach_crypto_link_async_alg
 687 #undef _
 688       /* *INDENT-ON* */
 689
 690   if (error)
 691     vec_free (cm->per_thread_data);
 692
 693   return error;
 694 }
 695
 696 /* *INDENT-OFF* */
 697 VLIB_INIT_FUNCTION (crypto_sw_scheduler_init) = {
 698   .runs_after = VLIB_INITS ("vnet_crypto_init"),
 699 };
 700
 701 VLIB_PLUGIN_REGISTER () = {
 702   .version = VPP_BUILD_VER,
 703   .description = "SW Scheduler Crypto Async Engine plugin",
 704 };
 705 /* *INDENT-ON* */
 706
 707 /*
 708  * fd.io coding-style-patch-verification: ON
 709  *
 710  * Local Variables:
 711  * eval: (c-set-style "gnu")
 712  * End:
 713  */