app/test-pmd/softnicfwd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4 #include <stdio.h>
   5 #include <sys/stat.h>
   6
   7 #include <rte_cycles.h>
   8 #include <rte_mbuf.h>
   9 #include <rte_malloc.h>
  10 #include <rte_ethdev.h>
  11 #include <rte_flow.h>
  12 #include <rte_meter.h>
  13 #include <rte_eth_softnic.h>
  14 #include <rte_tm.h>
  15
  16 #include "testpmd.h"
  17
  18 #define SUBPORT_NODES_PER_PORT          1
  19 #define PIPE_NODES_PER_SUBPORT          4096
  20 #define TC_NODES_PER_PIPE                       4
  21 #define QUEUE_NODES_PER_TC                      4
  22
  23 #define NUM_PIPE_NODES                                          \
  24         (SUBPORT_NODES_PER_PORT * PIPE_NODES_PER_SUBPORT)
  25
  26 #define NUM_TC_NODES                                            \
  27         (NUM_PIPE_NODES * TC_NODES_PER_PIPE)
  28
  29 #define ROOT_NODE_ID                            1000000
  30 #define SUBPORT_NODES_START_ID          900000
  31 #define PIPE_NODES_START_ID                     800000
  32 #define TC_NODES_START_ID                       700000
  33
  34 #define STATS_MASK_DEFAULT                                      \
  35         (RTE_TM_STATS_N_PKTS |                                  \
  36         RTE_TM_STATS_N_BYTES |                                  \
  37         RTE_TM_STATS_N_PKTS_GREEN_DROPPED |                     \
  38         RTE_TM_STATS_N_BYTES_GREEN_DROPPED)
  39
  40 #define STATS_MASK_QUEUE                                        \
  41         (STATS_MASK_DEFAULT |                                   \
  42         RTE_TM_STATS_N_PKTS_QUEUED)
  43
  44 #define BYTES_IN_MBPS                           (1000 * 1000 / 8)
  45 #define TOKEN_BUCKET_SIZE                       1000000
  46
  47 /* TM Hierarchy Levels */
  48 enum tm_hierarchy_level {
  49         TM_NODE_LEVEL_PORT = 0,
  50         TM_NODE_LEVEL_SUBPORT,
  51         TM_NODE_LEVEL_PIPE,
  52         TM_NODE_LEVEL_TC,
  53         TM_NODE_LEVEL_QUEUE,
  54         TM_NODE_LEVEL_MAX,
  55 };
  56
  57 struct tm_hierarchy {
  58         /* TM Nodes */
  59         uint32_t root_node_id;
  60         uint32_t subport_node_id[SUBPORT_NODES_PER_PORT];
  61         uint32_t pipe_node_id[SUBPORT_NODES_PER_PORT][PIPE_NODES_PER_SUBPORT];
  62         uint32_t tc_node_id[NUM_PIPE_NODES][TC_NODES_PER_PIPE];
  63         uint32_t queue_node_id[NUM_TC_NODES][QUEUE_NODES_PER_TC];
  64
  65         /* TM Hierarchy Nodes Shaper Rates */
  66         uint32_t root_node_shaper_rate;
  67         uint32_t subport_node_shaper_rate;
  68         uint32_t pipe_node_shaper_rate;
  69         uint32_t tc_node_shaper_rate;
  70         uint32_t tc_node_shared_shaper_rate;
  71
  72         uint32_t n_shapers;
  73 };
  74
  75 static struct fwd_lcore *softnic_fwd_lcore;
  76 static uint16_t softnic_port_id;
  77 struct fwd_engine softnic_fwd_engine;
  78
  79 /*
  80  * Softnic packet forward
  81  */
  82 static void
  83 softnic_fwd(struct fwd_stream *fs)
  84 {
  85         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
  86         uint16_t nb_rx;
  87         uint16_t nb_tx;
  88         uint32_t retry;
  89
  90 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  91         uint64_t start_tsc;
  92         uint64_t end_tsc;
  93         uint64_t core_cycles;
  94 #endif
  95
  96 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  97         start_tsc = rte_rdtsc();
  98 #endif
  99
 100         /*  Packets Receive */
 101         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue,
 102                         pkts_burst, nb_pkt_per_burst);
 103         fs->rx_packets += nb_rx;
 104
 105 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 106         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 107 #endif
 108
 109         nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
 110                         pkts_burst, nb_rx);
 111
 112         /* Retry if necessary */
 113         if (unlikely(nb_tx < nb_rx) && fs->retry_enabled) {
 114                 retry = 0;
 115                 while (nb_tx < nb_rx && retry++ < burst_tx_retry_num) {
 116                         rte_delay_us(burst_tx_delay_time);
 117                         nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
 118                                         &pkts_burst[nb_tx], nb_rx - nb_tx);
 119                 }
 120         }
 121         fs->tx_packets += nb_tx;
 122
 123 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 124         fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
 125 #endif
 126
 127         if (unlikely(nb_tx < nb_rx)) {
 128                 fs->fwd_dropped += (nb_rx - nb_tx);
 129                 do {
 130                         rte_pktmbuf_free(pkts_burst[nb_tx]);
 131                 } while (++nb_tx < nb_rx);
 132         }
 133 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 134         end_tsc = rte_rdtsc();
 135         core_cycles = (end_tsc - start_tsc);
 136         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
 137 #endif
 138 }
 139
 140 static void
 141 softnic_fwd_run(struct fwd_stream *fs)
 142 {
 143         rte_pmd_softnic_run(softnic_port_id);
 144         softnic_fwd(fs);
 145 }
 146
 147 /**
 148  * Softnic init
 149  */
 150 static int
 151 softnic_begin(void *arg __rte_unused)
 152 {
 153         for (;;) {
 154                 if (!softnic_fwd_lcore->stopped)
 155                         break;
 156         }
 157
 158         do {
 159                 /* Run softnic */
 160                 rte_pmd_softnic_run(softnic_port_id);
 161         } while (!softnic_fwd_lcore->stopped);
 162
 163         return 0;
 164 }
 165
 166 static void
 167 set_tm_hiearchy_nodes_shaper_rate(portid_t port_id,
 168         struct tm_hierarchy *h)
 169 {
 170         struct rte_eth_link link_params;
 171         uint64_t tm_port_rate;
 172
 173         memset(&link_params, 0, sizeof(link_params));
 174
 175         rte_eth_link_get(port_id, &link_params);
 176         tm_port_rate = (uint64_t)ETH_SPEED_NUM_10G * BYTES_IN_MBPS;
 177
 178         /* Set tm hierarchy shapers rate */
 179         h->root_node_shaper_rate = tm_port_rate;
 180         h->subport_node_shaper_rate =
 181                 tm_port_rate / SUBPORT_NODES_PER_PORT;
 182         h->pipe_node_shaper_rate
 183                 = h->subport_node_shaper_rate / PIPE_NODES_PER_SUBPORT;
 184         h->tc_node_shaper_rate = h->pipe_node_shaper_rate;
 185         h->tc_node_shared_shaper_rate = h->subport_node_shaper_rate;
 186 }
 187
 188 static int
 189 softport_tm_root_node_add(portid_t port_id, struct tm_hierarchy *h,
 190         struct rte_tm_error *error)
 191 {
 192         struct rte_tm_node_params rnp;
 193         struct rte_tm_shaper_params rsp;
 194         uint32_t priority, weight, level_id, shaper_profile_id;
 195
 196         memset(&rsp, 0, sizeof(struct rte_tm_shaper_params));
 197         memset(&rnp, 0, sizeof(struct rte_tm_node_params));
 198
 199         /* Shaper profile Parameters */
 200         rsp.peak.rate = h->root_node_shaper_rate;
 201         rsp.peak.size = TOKEN_BUCKET_SIZE;
 202         rsp.pkt_length_adjust = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 203         shaper_profile_id = 0;
 204
 205         if (rte_tm_shaper_profile_add(port_id, shaper_profile_id,
 206                 &rsp, error)) {
 207                 printf("%s ERROR(%d)-%s!(shaper_id %u)\n ",
 208                         __func__, error->type, error->message,
 209                         shaper_profile_id);
 210                 return -1;
 211         }
 212
 213         /* Root Node Parameters */
 214         h->root_node_id = ROOT_NODE_ID;
 215         weight = 1;
 216         priority = 0;
 217         level_id = TM_NODE_LEVEL_PORT;
 218         rnp.shaper_profile_id = shaper_profile_id;
 219         rnp.nonleaf.n_sp_priorities = 1;
 220         rnp.stats_mask = STATS_MASK_DEFAULT;
 221
 222         /* Add Node to TM Hierarchy */
 223         if (rte_tm_node_add(port_id, h->root_node_id, RTE_TM_NODE_ID_NULL,
 224                 priority, weight, level_id, &rnp, error)) {
 225                 printf("%s ERROR(%d)-%s!(node_id %u, parent_id %u, level %u)\n",
 226                         __func__, error->type, error->message,
 227                         h->root_node_id, RTE_TM_NODE_ID_NULL,
 228                         level_id);
 229                 return -1;
 230         }
 231         /* Update */
 232         h->n_shapers++;
 233
 234         printf("  Root node added (Start id %u, Count %u, level %u)\n",
 235                 h->root_node_id, 1, level_id);
 236
 237         return 0;
 238 }
 239
 240 static int
 241 softport_tm_subport_node_add(portid_t port_id,
 242         struct tm_hierarchy *h,
 243         struct rte_tm_error *error)
 244 {
 245         uint32_t subport_parent_node_id, subport_node_id = 0;
 246         struct rte_tm_node_params snp;
 247         struct rte_tm_shaper_params ssp;
 248         uint32_t priority, weight, level_id, shaper_profile_id;
 249         uint32_t i;
 250
 251         memset(&ssp, 0, sizeof(struct rte_tm_shaper_params));
 252         memset(&snp, 0, sizeof(struct rte_tm_node_params));
 253
 254         shaper_profile_id = h->n_shapers;
 255
 256         /* Add Shaper Profile to TM Hierarchy */
 257         for (i = 0; i < SUBPORT_NODES_PER_PORT; i++) {
 258                 ssp.peak.rate = h->subport_node_shaper_rate;
 259                 ssp.peak.size = TOKEN_BUCKET_SIZE;
 260                 ssp.pkt_length_adjust = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 261
 262                 if (rte_tm_shaper_profile_add(port_id, shaper_profile_id,
 263                         &ssp, error)) {
 264                         printf("%s ERROR(%d)-%s!(shaper_id %u)\n ",
 265                                 __func__, error->type, error->message,
 266                                 shaper_profile_id);
 267                         return -1;
 268                 }
 269
 270                 /* Node Parameters */
 271                 h->subport_node_id[i] = SUBPORT_NODES_START_ID + i;
 272                 subport_parent_node_id = h->root_node_id;
 273                 weight = 1;
 274                 priority = 0;
 275                 level_id = TM_NODE_LEVEL_SUBPORT;
 276                 snp.shaper_profile_id = shaper_profile_id;
 277                 snp.nonleaf.n_sp_priorities = 1;
 278                 snp.stats_mask = STATS_MASK_DEFAULT;
 279
 280                 /* Add Node to TM Hiearchy */
 281                 if (rte_tm_node_add(port_id,
 282                                 h->subport_node_id[i],
 283                                 subport_parent_node_id,
 284                                 priority, weight,
 285                                 level_id,
 286                                 &snp,
 287                                 error)) {
 288                         printf("%s ERROR(%d)-%s!(node %u,parent %u,level %u)\n",
 289                                         __func__,
 290                                         error->type,
 291                                         error->message,
 292                                         h->subport_node_id[i],
 293                                         subport_parent_node_id,
 294                                         level_id);
 295                         return -1;
 296                 }
 297                 shaper_profile_id++;
 298                 subport_node_id++;
 299         }
 300         /* Update */
 301         h->n_shapers = shaper_profile_id;
 302
 303         printf("  Subport nodes added (Start id %u, Count %u, level %u)\n",
 304                 h->subport_node_id[0], SUBPORT_NODES_PER_PORT, level_id);
 305
 306         return 0;
 307 }
 308
 309 static int
 310 softport_tm_pipe_node_add(portid_t port_id,
 311         struct tm_hierarchy *h,
 312         struct rte_tm_error *error)
 313 {
 314         uint32_t pipe_parent_node_id;
 315         struct rte_tm_node_params pnp;
 316         struct rte_tm_shaper_params psp;
 317         uint32_t priority, weight, level_id, shaper_profile_id;
 318         uint32_t i, j;
 319
 320         memset(&psp, 0, sizeof(struct rte_tm_shaper_params));
 321         memset(&pnp, 0, sizeof(struct rte_tm_node_params));
 322
 323         shaper_profile_id = h->n_shapers;
 324
 325         /* Shaper Profile Parameters */
 326         psp.peak.rate = h->pipe_node_shaper_rate;
 327         psp.peak.size = TOKEN_BUCKET_SIZE;
 328         psp.pkt_length_adjust = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 329
 330         /* Pipe Node Parameters */
 331         weight = 1;
 332         priority = 0;
 333         level_id = TM_NODE_LEVEL_PIPE;
 334         pnp.nonleaf.n_sp_priorities = 4;
 335         pnp.stats_mask = STATS_MASK_DEFAULT;
 336
 337         /* Add Shaper Profiles and Nodes to TM Hierarchy */
 338         for (i = 0; i < SUBPORT_NODES_PER_PORT; i++) {
 339                 for (j = 0; j < PIPE_NODES_PER_SUBPORT; j++) {
 340                         if (rte_tm_shaper_profile_add(port_id,
 341                                 shaper_profile_id, &psp, error)) {
 342                                 printf("%s ERROR(%d)-%s!(shaper_id %u)\n ",
 343                                         __func__, error->type, error->message,
 344                                         shaper_profile_id);
 345                                 return -1;
 346                         }
 347                         pnp.shaper_profile_id = shaper_profile_id;
 348                         pipe_parent_node_id = h->subport_node_id[i];
 349                         h->pipe_node_id[i][j] = PIPE_NODES_START_ID +
 350                                 (i * PIPE_NODES_PER_SUBPORT) + j;
 351
 352                         if (rte_tm_node_add(port_id,
 353                                         h->pipe_node_id[i][j],
 354                                         pipe_parent_node_id,
 355                                         priority, weight, level_id,
 356                                         &pnp,
 357                                         error)) {
 358                                 printf("%s ERROR(%d)-%s!(node %u,parent %u )\n",
 359                                         __func__,
 360                                         error->type,
 361                                         error->message,
 362                                         h->pipe_node_id[i][j],
 363                                         pipe_parent_node_id);
 364
 365                                 return -1;
 366                         }
 367                         shaper_profile_id++;
 368                 }
 369         }
 370         /* Update */
 371         h->n_shapers = shaper_profile_id;
 372
 373         printf("  Pipe nodes added (Start id %u, Count %u, level %u)\n",
 374                 h->pipe_node_id[0][0], NUM_PIPE_NODES, level_id);
 375
 376         return 0;
 377 }
 378
 379 static int
 380 softport_tm_tc_node_add(portid_t port_id,
 381         struct tm_hierarchy *h,
 382         struct rte_tm_error *error)
 383 {
 384         uint32_t tc_parent_node_id;
 385         struct rte_tm_node_params tnp;
 386         struct rte_tm_shaper_params tsp, tssp;
 387         uint32_t shared_shaper_profile_id[TC_NODES_PER_PIPE];
 388         uint32_t priority, weight, level_id, shaper_profile_id;
 389         uint32_t pos, n_tc_nodes, i, j, k;
 390
 391         memset(&tsp, 0, sizeof(struct rte_tm_shaper_params));
 392         memset(&tssp, 0, sizeof(struct rte_tm_shaper_params));
 393         memset(&tnp, 0, sizeof(struct rte_tm_node_params));
 394
 395         shaper_profile_id = h->n_shapers;
 396
 397         /* Private Shaper Profile (TC) Parameters */
 398         tsp.peak.rate = h->tc_node_shaper_rate;
 399         tsp.peak.size = TOKEN_BUCKET_SIZE;
 400         tsp.pkt_length_adjust = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 401
 402         /* Shared Shaper Profile (TC) Parameters */
 403         tssp.peak.rate = h->tc_node_shared_shaper_rate;
 404         tssp.peak.size = TOKEN_BUCKET_SIZE;
 405         tssp.pkt_length_adjust = RTE_TM_ETH_FRAMING_OVERHEAD_FCS;
 406
 407         /* TC Node Parameters */
 408         weight = 1;
 409         level_id = TM_NODE_LEVEL_TC;
 410         tnp.n_shared_shapers = 1;
 411         tnp.nonleaf.n_sp_priorities = 1;
 412         tnp.stats_mask = STATS_MASK_DEFAULT;
 413
 414         /* Add Shared Shaper Profiles to TM Hierarchy */
 415         for (i = 0; i < TC_NODES_PER_PIPE; i++) {
 416                 shared_shaper_profile_id[i] = shaper_profile_id;
 417
 418                 if (rte_tm_shaper_profile_add(port_id,
 419                         shared_shaper_profile_id[i], &tssp, error)) {
 420                         printf("%s ERROR(%d)-%s!(Shared shaper profileid %u)\n",
 421                                 __func__, error->type, error->message,
 422                                 shared_shaper_profile_id[i]);
 423
 424                         return -1;
 425                 }
 426                 if (rte_tm_shared_shaper_add_update(port_id,  i,
 427                         shared_shaper_profile_id[i], error)) {
 428                         printf("%s ERROR(%d)-%s!(Shared shaper id %u)\n",
 429                                 __func__, error->type, error->message, i);
 430
 431                         return -1;
 432                 }
 433                 shaper_profile_id++;
 434         }
 435
 436         /* Add Shaper Profiles and Nodes to TM Hierarchy */
 437         n_tc_nodes = 0;
 438         for (i = 0; i < SUBPORT_NODES_PER_PORT; i++) {
 439                 for (j = 0; j < PIPE_NODES_PER_SUBPORT; j++) {
 440                         for (k = 0; k < TC_NODES_PER_PIPE ; k++) {
 441                                 priority = k;
 442                                 tc_parent_node_id = h->pipe_node_id[i][j];
 443                                 tnp.shared_shaper_id =
 444                                         (uint32_t *)calloc(1, sizeof(uint32_t));
 445                                 if (tnp.shared_shaper_id == NULL) {
 446                                         printf("Shared shaper mem alloc err\n");
 447                                         return -1;
 448                                 }
 449                                 tnp.shared_shaper_id[0] = k;
 450                                 pos = j + (i * PIPE_NODES_PER_SUBPORT);
 451                                 h->tc_node_id[pos][k] =
 452                                         TC_NODES_START_ID + n_tc_nodes;
 453
 454                                 if (rte_tm_shaper_profile_add(port_id,
 455                                         shaper_profile_id, &tsp, error)) {
 456                                         printf("%s ERROR(%d)-%s!(shaper %u)\n",
 457                                                 __func__, error->type,
 458                                                 error->message,
 459                                                 shaper_profile_id);
 460
 461                                         return -1;
 462                                 }
 463                                 tnp.shaper_profile_id = shaper_profile_id;
 464                                 if (rte_tm_node_add(port_id,
 465                                                 h->tc_node_id[pos][k],
 466                                                 tc_parent_node_id,
 467                                                 priority, weight,
 468                                                 level_id,
 469                                                 &tnp, error)) {
 470                                         printf("%s ERROR(%d)-%s!(node id %u)\n",
 471                                                 __func__,
 472                                                 error->type,
 473                                                 error->message,
 474                                                 h->tc_node_id[pos][k]);
 475
 476                                         return -1;
 477                                 }
 478                                 shaper_profile_id++;
 479                                 n_tc_nodes++;
 480                         }
 481                 }
 482         }
 483         /* Update */
 484         h->n_shapers = shaper_profile_id;
 485
 486         printf("  TC nodes added (Start id %u, Count %u, level %u)\n",
 487                 h->tc_node_id[0][0], n_tc_nodes, level_id);
 488
 489         return 0;
 490 }
 491
 492 static int
 493 softport_tm_queue_node_add(portid_t port_id, struct tm_hierarchy *h,
 494         struct rte_tm_error *error)
 495 {
 496         uint32_t queue_parent_node_id;
 497         struct rte_tm_node_params qnp;
 498         uint32_t priority, weight, level_id, pos;
 499         uint32_t n_queue_nodes, i, j, k;
 500
 501         memset(&qnp, 0, sizeof(struct rte_tm_node_params));
 502
 503         /* Queue Node Parameters */
 504         priority = 0;
 505         weight = 1;
 506         level_id = TM_NODE_LEVEL_QUEUE;
 507         qnp.shaper_profile_id = RTE_TM_SHAPER_PROFILE_ID_NONE;
 508         qnp.leaf.cman = RTE_TM_CMAN_TAIL_DROP;
 509         qnp.stats_mask = STATS_MASK_QUEUE;
 510
 511         /* Add Queue Nodes to TM Hierarchy */
 512         n_queue_nodes = 0;
 513         for (i = 0; i < NUM_PIPE_NODES; i++) {
 514                 for (j = 0; j < TC_NODES_PER_PIPE; j++) {
 515                         queue_parent_node_id = h->tc_node_id[i][j];
 516                         for (k = 0; k < QUEUE_NODES_PER_TC; k++) {
 517                                 pos = j + (i * TC_NODES_PER_PIPE);
 518                                 h->queue_node_id[pos][k] = n_queue_nodes;
 519                                 if (rte_tm_node_add(port_id,
 520                                                 h->queue_node_id[pos][k],
 521                                                 queue_parent_node_id,
 522                                                 priority,
 523                                                 weight,
 524                                                 level_id,
 525                                                 &qnp, error)) {
 526                                         printf("%s ERROR(%d)-%s!(node %u)\n",
 527                                                 __func__,
 528                                                 error->type,
 529                                                 error->message,
 530                                                 h->queue_node_id[pos][k]);
 531
 532                                         return -1;
 533                                 }
 534                                 n_queue_nodes++;
 535                         }
 536                 }
 537         }
 538         printf("  Queue nodes added (Start id %u, Count %u, level %u)\n",
 539                 h->queue_node_id[0][0], n_queue_nodes, level_id);
 540
 541         return 0;
 542 }
 543
 544 static int
 545 softport_tm_hierarchy_specify(portid_t port_id,
 546         struct rte_tm_error *error)
 547 {
 548
 549         struct tm_hierarchy h;
 550         int status;
 551
 552         memset(&h, 0, sizeof(struct tm_hierarchy));
 553
 554         /* TM hierarchy shapers rate */
 555         set_tm_hiearchy_nodes_shaper_rate(port_id, &h);
 556
 557         /* Add root node (level 0) */
 558         status = softport_tm_root_node_add(port_id, &h, error);
 559         if (status)
 560                 return status;
 561
 562         /* Add subport node (level 1) */
 563         status = softport_tm_subport_node_add(port_id, &h, error);
 564         if (status)
 565                 return status;
 566
 567         /* Add pipe nodes (level 2) */
 568         status = softport_tm_pipe_node_add(port_id, &h, error);
 569         if (status)
 570                 return status;
 571
 572         /* Add traffic class nodes (level 3) */
 573         status = softport_tm_tc_node_add(port_id, &h, error);
 574         if (status)
 575                 return status;
 576
 577         /* Add queue nodes (level 4) */
 578         status = softport_tm_queue_node_add(port_id, &h, error);
 579         if (status)
 580                 return status;
 581
 582         return 0;
 583 }
 584
 585 /*
 586  * Softnic TM default configuration
 587  */
 588 static void
 589 softnic_tm_default_config(portid_t pi)
 590 {
 591         struct rte_port *port = &ports[pi];
 592         struct rte_tm_error error;
 593         int status;
 594
 595         /* Stop port */
 596         rte_eth_dev_stop(pi);
 597
 598         /* TM hierarchy specification */
 599         status = softport_tm_hierarchy_specify(pi, &error);
 600         if (status) {
 601                 printf("  TM Hierarchy built error(%d) - %s\n",
 602                         error.type, error.message);
 603                 return;
 604         }
 605         printf("\n  TM Hierarchy Specified!\n");
 606
 607         /* TM hierarchy commit */
 608         status = rte_tm_hierarchy_commit(pi, 0, &error);
 609         if (status) {
 610                 printf("  Hierarchy commit error(%d) - %s\n",
 611                         error.type, error.message);
 612                 return;
 613         }
 614         printf("  Hierarchy Committed (port %u)!\n", pi);
 615
 616         /* Start port */
 617         status = rte_eth_dev_start(pi);
 618         if (status) {
 619                 printf("\n  Port %u start error!\n", pi);
 620                 return;
 621         }
 622
 623         /* Reset the default hierarchy flag */
 624         port->softport.default_tm_hierarchy_enable = 0;
 625 }
 626
 627 /*
 628  * Softnic forwarding init
 629  */
 630 static void
 631 softnic_fwd_begin(portid_t pi)
 632 {
 633         struct rte_port *port = &ports[pi];
 634         uint32_t lcore, fwd_core_present = 0, softnic_run_launch = 0;
 635         int     status;
 636
 637         softnic_fwd_lcore = port->softport.fwd_lcore_arg[0];
 638         softnic_port_id = pi;
 639
 640         /* Launch softnic_run function on lcores */
 641         for (lcore = 0; lcore < RTE_MAX_LCORE; lcore++) {
 642                 if (!rte_lcore_is_enabled(lcore))
 643                         continue;
 644
 645                 if (lcore == rte_get_master_lcore())
 646                         continue;
 647
 648                 if (fwd_core_present == 0) {
 649                         fwd_core_present++;
 650                         continue;
 651                 }
 652
 653                 status = rte_eal_remote_launch(softnic_begin, NULL, lcore);
 654                 if (status)
 655                         printf("softnic launch on lcore %u failed (%d)\n",
 656                                        lcore, status);
 657
 658                 softnic_run_launch = 1;
 659         }
 660
 661         if (!softnic_run_launch)
 662                 softnic_fwd_engine.packet_fwd = softnic_fwd_run;
 663
 664         /* Softnic TM default configuration */
 665         if (port->softport.default_tm_hierarchy_enable == 1)
 666                 softnic_tm_default_config(pi);
 667 }
 668
 669 struct fwd_engine softnic_fwd_engine = {
 670         .fwd_mode_name  = "softnic",
 671         .port_fwd_begin = softnic_fwd_begin,
 672         .port_fwd_end   = NULL,
 673         .packet_fwd     = softnic_fwd,
 674 };