ceph/src/seastar/dpdk/app/test-eventdev/test_pipeline_common.c

   1 /*
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  * Copyright 2017 Cavium, Inc.
   4  */
   5
   6 #include "test_pipeline_common.h"
   7
   8 int
   9 pipeline_test_result(struct evt_test *test, struct evt_options *opt)
  10 {
  11         RTE_SET_USED(opt);
  12         int i;
  13         uint64_t total = 0;
  14         struct test_pipeline *t = evt_test_priv(test);
  15
  16         evt_info("Packet distribution across worker cores :");
  17         for (i = 0; i < t->nb_workers; i++)
  18                 total += t->worker[i].processed_pkts;
  19         for (i = 0; i < t->nb_workers; i++)
  20                 evt_info("Worker %d packets: "CLGRN"%"PRIx64""CLNRM" percentage:"
  21                                 CLGRN" %3.2f"CLNRM, i,
  22                                 t->worker[i].processed_pkts,
  23                                 (((double)t->worker[i].processed_pkts)/total)
  24                                 * 100);
  25         return t->result;
  26 }
  27
  28 void
  29 pipeline_opt_dump(struct evt_options *opt, uint8_t nb_queues)
  30 {
  31         evt_dump("nb_worker_lcores", "%d", evt_nr_active_lcores(opt->wlcores));
  32         evt_dump_worker_lcores(opt);
  33         evt_dump_nb_stages(opt);
  34         evt_dump("nb_evdev_ports", "%d", pipeline_nb_event_ports(opt));
  35         evt_dump("nb_evdev_queues", "%d", nb_queues);
  36         evt_dump_queue_priority(opt);
  37         evt_dump_sched_type_list(opt);
  38         evt_dump_producer_type(opt);
  39 }
  40
  41 static inline uint64_t
  42 processed_pkts(struct test_pipeline *t)
  43 {
  44         uint8_t i;
  45         uint64_t total = 0;
  46
  47         rte_smp_rmb();
  48         for (i = 0; i < t->nb_workers; i++)
  49                 total += t->worker[i].processed_pkts;
  50
  51         return total;
  52 }
  53
  54 int
  55 pipeline_launch_lcores(struct evt_test *test, struct evt_options *opt,
  56                 int (*worker)(void *))
  57 {
  58         int ret, lcore_id;
  59         struct test_pipeline *t = evt_test_priv(test);
  60
  61         int port_idx = 0;
  62         /* launch workers */
  63         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
  64                 if (!(opt->wlcores[lcore_id]))
  65                         continue;
  66
  67                 ret = rte_eal_remote_launch(worker,
  68                                  &t->worker[port_idx], lcore_id);
  69                 if (ret) {
  70                         evt_err("failed to launch worker %d", lcore_id);
  71                         return ret;
  72                 }
  73                 port_idx++;
  74         }
  75
  76         uint64_t perf_cycles = rte_get_timer_cycles();
  77         const uint64_t perf_sample = rte_get_timer_hz();
  78
  79         static float total_mpps;
  80         static uint64_t samples;
  81
  82         uint64_t prev_pkts = 0;
  83
  84         while (t->done == false) {
  85                 const uint64_t new_cycles = rte_get_timer_cycles();
  86
  87                 if ((new_cycles - perf_cycles) > perf_sample) {
  88                         const uint64_t curr_pkts = processed_pkts(t);
  89
  90                         float mpps = (float)(curr_pkts - prev_pkts)/1000000;
  91
  92                         prev_pkts = curr_pkts;
  93                         perf_cycles = new_cycles;
  94                         total_mpps += mpps;
  95                         ++samples;
  96                         printf(CLGRN"\r%.3f mpps avg %.3f mpps"CLNRM,
  97                                         mpps, total_mpps/samples);
  98                         fflush(stdout);
  99                 }
 100         }
 101         printf("\n");
 102         return 0;
 103 }
 104
 105 int
 106 pipeline_opt_check(struct evt_options *opt, uint64_t nb_queues)
 107 {
 108         unsigned int lcores;
 109         /*
 110          * N worker + 1 master
 111          */
 112         lcores = 2;
 113
 114         if (!rte_eth_dev_count_avail()) {
 115                 evt_err("test needs minimum 1 ethernet dev");
 116                 return -1;
 117         }
 118
 119         if (rte_lcore_count() < lcores) {
 120                 evt_err("test need minimum %d lcores", lcores);
 121                 return -1;
 122         }
 123
 124         /* Validate worker lcores */
 125         if (evt_lcores_has_overlap(opt->wlcores, rte_get_master_lcore())) {
 126                 evt_err("worker lcores overlaps with master lcore");
 127                 return -1;
 128         }
 129         if (evt_has_disabled_lcore(opt->wlcores)) {
 130                 evt_err("one or more workers lcores are not enabled");
 131                 return -1;
 132         }
 133         if (!evt_has_active_lcore(opt->wlcores)) {
 134                 evt_err("minimum one worker is required");
 135                 return -1;
 136         }
 137
 138         if (nb_queues > EVT_MAX_QUEUES) {
 139                 evt_err("number of queues exceeds %d", EVT_MAX_QUEUES);
 140                 return -1;
 141         }
 142         if (pipeline_nb_event_ports(opt) > EVT_MAX_PORTS) {
 143                 evt_err("number of ports exceeds %d", EVT_MAX_PORTS);
 144                 return -1;
 145         }
 146
 147         if (evt_has_invalid_stage(opt))
 148                 return -1;
 149
 150         if (evt_has_invalid_sched_type(opt))
 151                 return -1;
 152
 153         return 0;
 154 }
 155
 156 #define NB_RX_DESC                      128
 157 #define NB_TX_DESC                      512
 158 int
 159 pipeline_ethdev_setup(struct evt_test *test, struct evt_options *opt)
 160 {
 161         uint16_t i;
 162         uint8_t nb_queues = 1;
 163         struct test_pipeline *t = evt_test_priv(test);
 164         struct rte_eth_rxconf rx_conf;
 165         struct rte_eth_conf port_conf = {
 166                 .rxmode = {
 167                         .mq_mode = ETH_MQ_RX_RSS,
 168                         .max_rx_pkt_len = ETHER_MAX_LEN,
 169                 },
 170                 .rx_adv_conf = {
 171                         .rss_conf = {
 172                                 .rss_key = NULL,
 173                                 .rss_hf = ETH_RSS_IP,
 174                         },
 175                 },
 176         };
 177
 178         RTE_SET_USED(opt);
 179         if (!rte_eth_dev_count_avail()) {
 180                 evt_err("No ethernet ports found.");
 181                 return -ENODEV;
 182         }
 183
 184         t->internal_port = 1;
 185         RTE_ETH_FOREACH_DEV(i) {
 186                 struct rte_eth_dev_info dev_info;
 187                 struct rte_eth_conf local_port_conf = port_conf;
 188                 uint32_t caps = 0;
 189
 190                 rte_event_eth_tx_adapter_caps_get(opt->dev_id, i, &caps);
 191                 if (!(caps & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT))
 192                         t->internal_port = 0;
 193
 194                 rte_eth_dev_info_get(i, &dev_info);
 195                 rx_conf = dev_info.default_rxconf;
 196                 rx_conf.offloads = port_conf.rxmode.offloads;
 197
 198                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
 199                         dev_info.flow_type_rss_offloads;
 200                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
 201                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
 202                         evt_info("Port %u modified RSS hash function based on hardware support,"
 203                                 "requested:%#"PRIx64" configured:%#"PRIx64"",
 204                                 i,
 205                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
 206                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
 207                 }
 208
 209                 if (rte_eth_dev_configure(i, nb_queues, nb_queues,
 210                                         &local_port_conf)
 211                                 < 0) {
 212                         evt_err("Failed to configure eth port [%d]", i);
 213                         return -EINVAL;
 214                 }
 215
 216                 if (rte_eth_rx_queue_setup(i, 0, NB_RX_DESC,
 217                                 rte_socket_id(), &rx_conf, t->pool) < 0) {
 218                         evt_err("Failed to setup eth port [%d] rx_queue: %d.",
 219                                         i, 0);
 220                         return -EINVAL;
 221                 }
 222                 if (rte_eth_tx_queue_setup(i, 0, NB_TX_DESC,
 223                                         rte_socket_id(), NULL) < 0) {
 224                         evt_err("Failed to setup eth port [%d] tx_queue: %d.",
 225                                         i, 0);
 226                         return -EINVAL;
 227                 }
 228
 229                 rte_eth_promiscuous_enable(i);
 230         }
 231
 232         return 0;
 233 }
 234
 235 int
 236 pipeline_event_port_setup(struct evt_test *test, struct evt_options *opt,
 237                 uint8_t *queue_arr, uint8_t nb_queues,
 238                 const struct rte_event_port_conf p_conf)
 239 {
 240         int ret;
 241         uint8_t port;
 242         struct test_pipeline *t = evt_test_priv(test);
 243
 244
 245         /* setup one port per worker, linking to all queues */
 246         for (port = 0; port < evt_nr_active_lcores(opt->wlcores); port++) {
 247                 struct worker_data *w = &t->worker[port];
 248
 249                 w->dev_id = opt->dev_id;
 250                 w->port_id = port;
 251                 w->t = t;
 252                 w->processed_pkts = 0;
 253
 254                 ret = rte_event_port_setup(opt->dev_id, port, &p_conf);
 255                 if (ret) {
 256                         evt_err("failed to setup port %d", port);
 257                         return ret;
 258                 }
 259
 260                 if (rte_event_port_link(opt->dev_id, port, queue_arr, NULL,
 261                                         nb_queues) != nb_queues)
 262                         goto link_fail;
 263         }
 264
 265         return 0;
 266
 267 link_fail:
 268         evt_err("failed to link queues to port %d", port);
 269         return -EINVAL;
 270 }
 271
 272 int
 273 pipeline_event_rx_adapter_setup(struct evt_options *opt, uint8_t stride,
 274                 struct rte_event_port_conf prod_conf)
 275 {
 276         int ret = 0;
 277         uint16_t prod;
 278         struct rte_event_eth_rx_adapter_queue_conf queue_conf;
 279
 280         memset(&queue_conf, 0,
 281                         sizeof(struct rte_event_eth_rx_adapter_queue_conf));
 282         queue_conf.ev.sched_type = opt->sched_type_list[0];
 283         RTE_ETH_FOREACH_DEV(prod) {
 284                 uint32_t cap;
 285
 286                 ret = rte_event_eth_rx_adapter_caps_get(opt->dev_id,
 287                                 prod, &cap);
 288                 if (ret) {
 289                         evt_err("failed to get event rx adapter[%d]"
 290                                         " capabilities",
 291                                         opt->dev_id);
 292                         return ret;
 293                 }
 294                 queue_conf.ev.queue_id = prod * stride;
 295                 ret = rte_event_eth_rx_adapter_create(prod, opt->dev_id,
 296                                 &prod_conf);
 297                 if (ret) {
 298                         evt_err("failed to create rx adapter[%d]", prod);
 299                         return ret;
 300                 }
 301                 ret = rte_event_eth_rx_adapter_queue_add(prod, prod, -1,
 302                                 &queue_conf);
 303                 if (ret) {
 304                         evt_err("failed to add rx queues to adapter[%d]", prod);
 305                         return ret;
 306                 }
 307
 308                 if (!(cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT)) {
 309                         uint32_t service_id;
 310
 311                         rte_event_eth_rx_adapter_service_id_get(prod,
 312                                         &service_id);
 313                         ret = evt_service_setup(service_id);
 314                         if (ret) {
 315                                 evt_err("Failed to setup service core"
 316                                                 " for Rx adapter");
 317                                 return ret;
 318                         }
 319                 }
 320
 321                 evt_info("Port[%d] using Rx adapter[%d] configured", prod,
 322                                 prod);
 323         }
 324
 325         return ret;
 326 }
 327
 328 int
 329 pipeline_event_tx_adapter_setup(struct evt_options *opt,
 330                 struct rte_event_port_conf port_conf)
 331 {
 332         int ret = 0;
 333         uint16_t consm;
 334
 335         RTE_ETH_FOREACH_DEV(consm) {
 336                 uint32_t cap;
 337
 338                 ret = rte_event_eth_tx_adapter_caps_get(opt->dev_id,
 339                                 consm, &cap);
 340                 if (ret) {
 341                         evt_err("failed to get event tx adapter[%d] caps",
 342                                         consm);
 343                         return ret;
 344                 }
 345
 346                 ret = rte_event_eth_tx_adapter_create(consm, opt->dev_id,
 347                                 &port_conf);
 348                 if (ret) {
 349                         evt_err("failed to create tx adapter[%d]", consm);
 350                         return ret;
 351                 }
 352
 353                 ret = rte_event_eth_tx_adapter_queue_add(consm, consm, -1);
 354                 if (ret) {
 355                         evt_err("failed to add tx queues to adapter[%d]",
 356                                         consm);
 357                         return ret;
 358                 }
 359
 360                 if (!(cap & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT)) {
 361                         uint32_t service_id;
 362
 363                         rte_event_eth_tx_adapter_service_id_get(consm,
 364                                         &service_id);
 365                         ret = evt_service_setup(service_id);
 366                         if (ret) {
 367                                 evt_err("Failed to setup service core"
 368                                                 " for Tx adapter\n");
 369                                 return ret;
 370                         }
 371                 }
 372
 373                 evt_info("Port[%d] using Tx adapter[%d] Configured", consm,
 374                                 consm);
 375         }
 376
 377         return ret;
 378 }
 379
 380 void
 381 pipeline_ethdev_destroy(struct evt_test *test, struct evt_options *opt)
 382 {
 383         uint16_t i;
 384         RTE_SET_USED(test);
 385         RTE_SET_USED(opt);
 386
 387         RTE_ETH_FOREACH_DEV(i) {
 388                 rte_event_eth_rx_adapter_stop(i);
 389                 rte_event_eth_tx_adapter_stop(i);
 390                 rte_eth_dev_stop(i);
 391         }
 392 }
 393
 394 void
 395 pipeline_eventdev_destroy(struct evt_test *test, struct evt_options *opt)
 396 {
 397         RTE_SET_USED(test);
 398
 399         rte_event_dev_stop(opt->dev_id);
 400         rte_event_dev_close(opt->dev_id);
 401 }
 402
 403 int
 404 pipeline_mempool_setup(struct evt_test *test, struct evt_options *opt)
 405 {
 406         struct test_pipeline *t = evt_test_priv(test);
 407
 408         t->pool = rte_pktmbuf_pool_create(test->name, /* mempool name */
 409                         opt->pool_sz, /* number of elements*/
 410                         512, /* cache size*/
 411                         0,
 412                         RTE_MBUF_DEFAULT_BUF_SIZE,
 413                         opt->socket_id); /* flags */
 414
 415         if (t->pool == NULL) {
 416                 evt_err("failed to create mempool");
 417                 return -ENOMEM;
 418         }
 419
 420         return 0;
 421 }
 422
 423 void
 424 pipeline_mempool_destroy(struct evt_test *test, struct evt_options *opt)
 425 {
 426         RTE_SET_USED(opt);
 427         struct test_pipeline *t = evt_test_priv(test);
 428
 429         rte_mempool_free(t->pool);
 430 }
 431
 432 int
 433 pipeline_test_setup(struct evt_test *test, struct evt_options *opt)
 434 {
 435         void *test_pipeline;
 436
 437         test_pipeline = rte_zmalloc_socket(test->name,
 438                         sizeof(struct test_pipeline), RTE_CACHE_LINE_SIZE,
 439                         opt->socket_id);
 440         if (test_pipeline  == NULL) {
 441                 evt_err("failed to allocate test_pipeline memory");
 442                 goto nomem;
 443         }
 444         test->test_priv = test_pipeline;
 445
 446         struct test_pipeline *t = evt_test_priv(test);
 447
 448         t->nb_workers = evt_nr_active_lcores(opt->wlcores);
 449         t->outstand_pkts = opt->nb_pkts * evt_nr_active_lcores(opt->wlcores);
 450         t->done = false;
 451         t->nb_flows = opt->nb_flows;
 452         t->result = EVT_TEST_FAILED;
 453         t->opt = opt;
 454         opt->prod_type = EVT_PROD_TYPE_ETH_RX_ADPTR;
 455         memcpy(t->sched_type_list, opt->sched_type_list,
 456                         sizeof(opt->sched_type_list));
 457         return 0;
 458 nomem:
 459         return -ENOMEM;
 460 }
 461
 462 void
 463 pipeline_test_destroy(struct evt_test *test, struct evt_options *opt)
 464 {
 465         RTE_SET_USED(opt);
 466
 467         rte_free(test->test_priv);
 468 }