drivers/net/softnic/rte_eth_softnic.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #include <stdint.h>
   6 #include <stdlib.h>
   7 #include <string.h>
   8
   9 #include <rte_ethdev_driver.h>
  10 #include <rte_ethdev_vdev.h>
  11 #include <rte_malloc.h>
  12 #include <rte_bus_vdev.h>
  13 #include <rte_kvargs.h>
  14 #include <rte_errno.h>
  15 #include <rte_ring.h>
  16 #include <rte_tm_driver.h>
  17 #include <rte_mtr_driver.h>
  18
  19 #include "rte_eth_softnic.h"
  20 #include "rte_eth_softnic_internals.h"
  21
  22 #define PMD_PARAM_FIRMWARE                                 "firmware"
  23 #define PMD_PARAM_CONN_PORT                                "conn_port"
  24 #define PMD_PARAM_CPU_ID                                   "cpu_id"
  25 #define PMD_PARAM_SC                                       "sc"
  26 #define PMD_PARAM_TM_N_QUEUES                              "tm_n_queues"
  27 #define PMD_PARAM_TM_QSIZE0                                "tm_qsize0"
  28 #define PMD_PARAM_TM_QSIZE1                                "tm_qsize1"
  29 #define PMD_PARAM_TM_QSIZE2                                "tm_qsize2"
  30 #define PMD_PARAM_TM_QSIZE3                                "tm_qsize3"
  31 #define PMD_PARAM_TM_QSIZE4                                "tm_qsize4"
  32 #define PMD_PARAM_TM_QSIZE5                                "tm_qsize5"
  33 #define PMD_PARAM_TM_QSIZE6                                "tm_qsize6"
  34 #define PMD_PARAM_TM_QSIZE7                                "tm_qsize7"
  35 #define PMD_PARAM_TM_QSIZE8                                "tm_qsize8"
  36 #define PMD_PARAM_TM_QSIZE9                                "tm_qsize9"
  37 #define PMD_PARAM_TM_QSIZE10                               "tm_qsize10"
  38 #define PMD_PARAM_TM_QSIZE11                               "tm_qsize11"
  39 #define PMD_PARAM_TM_QSIZE12                               "tm_qsize12"
  40
  41
  42 static const char * const pmd_valid_args[] = {
  43         PMD_PARAM_FIRMWARE,
  44         PMD_PARAM_CONN_PORT,
  45         PMD_PARAM_CPU_ID,
  46         PMD_PARAM_SC,
  47         PMD_PARAM_TM_N_QUEUES,
  48         PMD_PARAM_TM_QSIZE0,
  49         PMD_PARAM_TM_QSIZE1,
  50         PMD_PARAM_TM_QSIZE2,
  51         PMD_PARAM_TM_QSIZE3,
  52         PMD_PARAM_TM_QSIZE4,
  53         PMD_PARAM_TM_QSIZE5,
  54         PMD_PARAM_TM_QSIZE6,
  55         PMD_PARAM_TM_QSIZE7,
  56         PMD_PARAM_TM_QSIZE8,
  57         PMD_PARAM_TM_QSIZE9,
  58         PMD_PARAM_TM_QSIZE10,
  59         PMD_PARAM_TM_QSIZE11,
  60         PMD_PARAM_TM_QSIZE12,
  61         NULL
  62 };
  63
  64 static const char welcome[] =
  65         "\n"
  66         "Welcome to Soft NIC!\n"
  67         "\n";
  68
  69 static const char prompt[] = "softnic> ";
  70
  71 static const struct softnic_conn_params conn_params_default = {
  72         .welcome = welcome,
  73         .prompt = prompt,
  74         .addr = "0.0.0.0",
  75         .port = 0,
  76         .buf_size = 1024 * 1024,
  77         .msg_in_len_max = 1024,
  78         .msg_out_len_max = 1024 * 1024,
  79         .msg_handle = softnic_cli_process,
  80         .msg_handle_arg = NULL,
  81 };
  82
  83 RTE_LOG_REGISTER(pmd_softnic_logtype, pmd.net.softnic, NOTICE);
  84
  85 #define PMD_LOG(level, fmt, args...) \
  86         rte_log(RTE_LOG_ ## level, pmd_softnic_logtype, \
  87                 "%s(): " fmt "\n", __func__, ##args)
  88
  89 static int
  90 pmd_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
  91         struct rte_eth_dev_info *dev_info)
  92 {
  93         dev_info->max_rx_pktlen = UINT32_MAX;
  94         dev_info->max_rx_queues = UINT16_MAX;
  95         dev_info->max_tx_queues = UINT16_MAX;
  96
  97         return 0;
  98 }
  99
 100 static int
 101 pmd_dev_configure(struct rte_eth_dev *dev __rte_unused)
 102 {
 103         return 0;
 104 }
 105
 106 static int
 107 pmd_rx_queue_setup(struct rte_eth_dev *dev,
 108         uint16_t rx_queue_id,
 109         uint16_t nb_rx_desc,
 110         unsigned int socket_id __rte_unused,
 111         const struct rte_eth_rxconf *rx_conf __rte_unused,
 112         struct rte_mempool *mb_pool __rte_unused)
 113 {
 114         char name[NAME_SIZE];
 115         struct pmd_internals *p = dev->data->dev_private;
 116         struct softnic_swq *swq;
 117
 118         struct softnic_swq_params params = {
 119                 .size = nb_rx_desc,
 120         };
 121
 122         snprintf(name, sizeof(name), "RXQ%u", rx_queue_id);
 123
 124         swq = softnic_swq_create(p,
 125                 name,
 126                 &params);
 127         if (swq == NULL)
 128                 return -1;
 129
 130         dev->data->rx_queues[rx_queue_id] = swq->r;
 131         return 0;
 132 }
 133
 134 static int
 135 pmd_tx_queue_setup(struct rte_eth_dev *dev,
 136         uint16_t tx_queue_id,
 137         uint16_t nb_tx_desc,
 138         unsigned int socket_id __rte_unused,
 139         const struct rte_eth_txconf *tx_conf __rte_unused)
 140 {
 141         char name[NAME_SIZE];
 142         struct pmd_internals *p = dev->data->dev_private;
 143         struct softnic_swq *swq;
 144
 145         struct softnic_swq_params params = {
 146                 .size = nb_tx_desc,
 147         };
 148
 149         snprintf(name, sizeof(name), "TXQ%u", tx_queue_id);
 150
 151         swq = softnic_swq_create(p,
 152                 name,
 153                 &params);
 154         if (swq == NULL)
 155                 return -1;
 156
 157         dev->data->tx_queues[tx_queue_id] = swq->r;
 158         return 0;
 159 }
 160
 161 static int
 162 pmd_dev_start(struct rte_eth_dev *dev)
 163 {
 164         struct pmd_internals *p = dev->data->dev_private;
 165         int status;
 166
 167         /* Firmware */
 168         status = softnic_cli_script_process(p,
 169                 p->params.firmware,
 170                 conn_params_default.msg_in_len_max,
 171                 conn_params_default.msg_out_len_max);
 172         if (status)
 173                 return status;
 174
 175         /* Link UP */
 176         dev->data->dev_link.link_status = ETH_LINK_UP;
 177
 178         return 0;
 179 }
 180
 181 static int
 182 pmd_dev_stop(struct rte_eth_dev *dev)
 183 {
 184         struct pmd_internals *p = dev->data->dev_private;
 185
 186         /* Link DOWN */
 187         dev->data->dev_link.link_status = ETH_LINK_DOWN;
 188
 189         /* Firmware */
 190         softnic_pipeline_disable_all(p);
 191         softnic_pipeline_free(p);
 192         softnic_table_action_profile_free(p);
 193         softnic_port_in_action_profile_free(p);
 194         softnic_tap_free(p);
 195         softnic_tmgr_free(p);
 196         softnic_link_free(p);
 197         softnic_softnic_swq_free_keep_rxq_txq(p);
 198         softnic_mempool_free(p);
 199
 200         tm_hierarchy_free(p);
 201         softnic_mtr_free(p);
 202
 203         return 0;
 204 }
 205
 206 static void
 207 pmd_free(struct pmd_internals *p)
 208 {
 209         if (p == NULL)
 210                 return;
 211
 212         if (p->params.conn_port)
 213                 softnic_conn_free(p->conn);
 214
 215         softnic_thread_free(p);
 216         softnic_pipeline_free(p);
 217         softnic_table_action_profile_free(p);
 218         softnic_port_in_action_profile_free(p);
 219         softnic_tap_free(p);
 220         softnic_tmgr_free(p);
 221         softnic_link_free(p);
 222         softnic_swq_free(p);
 223         softnic_mempool_free(p);
 224
 225         tm_hierarchy_free(p);
 226         softnic_mtr_free(p);
 227
 228         rte_free(p);
 229 }
 230
 231 static int
 232 pmd_dev_close(struct rte_eth_dev *dev)
 233 {
 234         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 235                 return 0;
 236
 237         pmd_free(dev->data->dev_private);
 238         dev->data->dev_private = NULL; /* already freed */
 239         dev->data->mac_addrs = NULL; /* statically allocated */
 240         return 0;
 241 }
 242
 243 static int
 244 pmd_link_update(struct rte_eth_dev *dev __rte_unused,
 245         int wait_to_complete __rte_unused)
 246 {
 247         return 0;
 248 }
 249
 250 static int
 251 pmd_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
 252                 enum rte_filter_type filter_type,
 253                 enum rte_filter_op filter_op,
 254                 void *arg)
 255 {
 256         if (filter_type == RTE_ETH_FILTER_GENERIC &&
 257                         filter_op == RTE_ETH_FILTER_GET) {
 258                 *(const void **)arg = &pmd_flow_ops;
 259                 return 0;
 260         }
 261
 262         return -ENOTSUP;
 263 }
 264
 265 static int
 266 pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 267 {
 268         *(const struct rte_tm_ops **)arg = &pmd_tm_ops;
 269
 270         return 0;
 271 }
 272
 273 static int
 274 pmd_mtr_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 275 {
 276         *(const struct rte_mtr_ops **)arg = &pmd_mtr_ops;
 277
 278         return 0;
 279 }
 280
 281 static const struct eth_dev_ops pmd_ops = {
 282         .dev_configure = pmd_dev_configure,
 283         .dev_start = pmd_dev_start,
 284         .dev_stop = pmd_dev_stop,
 285         .dev_close = pmd_dev_close,
 286         .link_update = pmd_link_update,
 287         .dev_infos_get = pmd_dev_infos_get,
 288         .rx_queue_setup = pmd_rx_queue_setup,
 289         .tx_queue_setup = pmd_tx_queue_setup,
 290         .filter_ctrl = pmd_filter_ctrl,
 291         .tm_ops_get = pmd_tm_ops_get,
 292         .mtr_ops_get = pmd_mtr_ops_get,
 293 };
 294
 295 static uint16_t
 296 pmd_rx_pkt_burst(void *rxq,
 297         struct rte_mbuf **rx_pkts,
 298         uint16_t nb_pkts)
 299 {
 300         return (uint16_t)rte_ring_sc_dequeue_burst(rxq,
 301                 (void **)rx_pkts,
 302                 nb_pkts,
 303                 NULL);
 304 }
 305
 306 static uint16_t
 307 pmd_tx_pkt_burst(void *txq,
 308         struct rte_mbuf **tx_pkts,
 309         uint16_t nb_pkts)
 310 {
 311         return (uint16_t)rte_ring_sp_enqueue_burst(txq,
 312                 (void **)tx_pkts,
 313                 nb_pkts,
 314                 NULL);
 315 }
 316
 317 static void *
 318 pmd_init(struct pmd_params *params)
 319 {
 320         struct pmd_internals *p;
 321         int status;
 322
 323         p = rte_zmalloc_socket(params->name,
 324                 sizeof(struct pmd_internals),
 325                 0,
 326                 params->cpu_id);
 327         if (p == NULL)
 328                 return NULL;
 329
 330         /* Params */
 331         memcpy(&p->params, params, sizeof(p->params));
 332
 333         /* Resources */
 334         tm_hierarchy_init(p);
 335         softnic_mtr_init(p);
 336
 337         softnic_mempool_init(p);
 338         softnic_swq_init(p);
 339         softnic_link_init(p);
 340         softnic_tmgr_init(p);
 341         softnic_tap_init(p);
 342         softnic_cryptodev_init(p);
 343         softnic_port_in_action_profile_init(p);
 344         softnic_table_action_profile_init(p);
 345         softnic_pipeline_init(p);
 346
 347         status = softnic_thread_init(p);
 348         if (status) {
 349                 rte_free(p);
 350                 return NULL;
 351         }
 352
 353         if (params->conn_port) {
 354                 struct softnic_conn_params conn_params;
 355
 356                 memcpy(&conn_params, &conn_params_default, sizeof(conn_params));
 357                 conn_params.port = p->params.conn_port;
 358                 conn_params.msg_handle_arg = p;
 359
 360                 p->conn = softnic_conn_init(&conn_params);
 361                 if (p->conn == NULL) {
 362                         softnic_thread_free(p);
 363                         rte_free(p);
 364                         return NULL;
 365                 }
 366         }
 367
 368         return p;
 369 }
 370
 371 static struct rte_ether_addr eth_addr = {
 372         .addr_bytes = {0},
 373 };
 374
 375 static int
 376 pmd_ethdev_register(struct rte_vdev_device *vdev,
 377         struct pmd_params *params,
 378         void *dev_private)
 379 {
 380         struct rte_eth_dev *dev;
 381
 382         /* Ethdev entry allocation */
 383         dev = rte_eth_dev_allocate(params->name);
 384         if (!dev)
 385                 return -ENOMEM;
 386
 387         /* dev */
 388         dev->rx_pkt_burst = pmd_rx_pkt_burst;
 389         dev->tx_pkt_burst = pmd_tx_pkt_burst;
 390         dev->tx_pkt_prepare = NULL;
 391         dev->dev_ops = &pmd_ops;
 392         dev->device = &vdev->device;
 393
 394         /* dev->data */
 395         dev->data->dev_private = dev_private;
 396         dev->data->dev_link.link_speed = ETH_SPEED_NUM_100G;
 397         dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 398         dev->data->dev_link.link_autoneg = ETH_LINK_FIXED;
 399         dev->data->dev_link.link_status = ETH_LINK_DOWN;
 400         dev->data->mac_addrs = &eth_addr;
 401         dev->data->promiscuous = 1;
 402         dev->data->numa_node = params->cpu_id;
 403
 404         rte_eth_dev_probing_finish(dev);
 405
 406         return 0;
 407 }
 408
 409 static int
 410 get_string(const char *key __rte_unused, const char *value, void *extra_args)
 411 {
 412         if (!value || !extra_args)
 413                 return -EINVAL;
 414
 415         *(char **)extra_args = strdup(value);
 416
 417         if (!*(char **)extra_args)
 418                 return -ENOMEM;
 419
 420         return 0;
 421 }
 422
 423 static int
 424 get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
 425 {
 426         if (!value || !extra_args)
 427                 return -EINVAL;
 428
 429         *(uint32_t *)extra_args = strtoull(value, NULL, 0);
 430
 431         return 0;
 432 }
 433
 434 static int
 435 get_uint16(const char *key __rte_unused, const char *value, void *extra_args)
 436 {
 437         if (!value || !extra_args)
 438                 return -EINVAL;
 439
 440         *(uint16_t *)extra_args = strtoull(value, NULL, 0);
 441
 442         return 0;
 443 }
 444
 445 static int
 446 pmd_parse_args(struct pmd_params *p, const char *params)
 447 {
 448         struct rte_kvargs *kvlist;
 449         int ret = 0;
 450
 451         kvlist = rte_kvargs_parse(params, pmd_valid_args);
 452         if (kvlist == NULL)
 453                 return -EINVAL;
 454
 455         /* Set default values */
 456         memset(p, 0, sizeof(*p));
 457         p->firmware = SOFTNIC_FIRMWARE;
 458         p->cpu_id = SOFTNIC_CPU_ID;
 459         p->sc = SOFTNIC_SC;
 460         p->tm.n_queues = SOFTNIC_TM_N_QUEUES;
 461         p->tm.qsize[0] = SOFTNIC_TM_QUEUE_SIZE;
 462         p->tm.qsize[1] = SOFTNIC_TM_QUEUE_SIZE;
 463         p->tm.qsize[2] = SOFTNIC_TM_QUEUE_SIZE;
 464         p->tm.qsize[3] = SOFTNIC_TM_QUEUE_SIZE;
 465         p->tm.qsize[4] = SOFTNIC_TM_QUEUE_SIZE;
 466         p->tm.qsize[5] = SOFTNIC_TM_QUEUE_SIZE;
 467         p->tm.qsize[6] = SOFTNIC_TM_QUEUE_SIZE;
 468         p->tm.qsize[7] = SOFTNIC_TM_QUEUE_SIZE;
 469         p->tm.qsize[8] = SOFTNIC_TM_QUEUE_SIZE;
 470         p->tm.qsize[9] = SOFTNIC_TM_QUEUE_SIZE;
 471         p->tm.qsize[10] = SOFTNIC_TM_QUEUE_SIZE;
 472         p->tm.qsize[11] = SOFTNIC_TM_QUEUE_SIZE;
 473         p->tm.qsize[12] = SOFTNIC_TM_QUEUE_SIZE;
 474
 475         /* Firmware script (optional) */
 476         if (rte_kvargs_count(kvlist, PMD_PARAM_FIRMWARE) == 1) {
 477                 ret = rte_kvargs_process(kvlist, PMD_PARAM_FIRMWARE,
 478                         &get_string, &p->firmware);
 479                 if (ret < 0)
 480                         goto out_free;
 481         }
 482
 483         /* Connection listening port (optional) */
 484         if (rte_kvargs_count(kvlist, PMD_PARAM_CONN_PORT) == 1) {
 485                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CONN_PORT,
 486                         &get_uint16, &p->conn_port);
 487                 if (ret < 0)
 488                         goto out_free;
 489         }
 490
 491         /* CPU ID (optional) */
 492         if (rte_kvargs_count(kvlist, PMD_PARAM_CPU_ID) == 1) {
 493                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CPU_ID,
 494                         &get_uint32, &p->cpu_id);
 495                 if (ret < 0)
 496                         goto out_free;
 497         }
 498
 499         /* Service cores (optional) */
 500         if (rte_kvargs_count(kvlist, PMD_PARAM_SC) == 1) {
 501                 ret = rte_kvargs_process(kvlist, PMD_PARAM_SC,
 502                         &get_uint32, &p->sc);
 503                 if (ret < 0)
 504                         goto out_free;
 505         }
 506
 507         /* TM number of queues (optional) */
 508         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_N_QUEUES) == 1) {
 509                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_N_QUEUES,
 510                         &get_uint32, &p->tm.n_queues);
 511                 if (ret < 0)
 512                         goto out_free;
 513         }
 514
 515         /* TM queue size 0 .. 3 (optional) */
 516         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE0) == 1) {
 517                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE0,
 518                         &get_uint32, &p->tm.qsize[0]);
 519                 if (ret < 0)
 520                         goto out_free;
 521         }
 522
 523         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE1) == 1) {
 524                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE1,
 525                         &get_uint32, &p->tm.qsize[1]);
 526                 if (ret < 0)
 527                         goto out_free;
 528         }
 529
 530         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE2) == 1) {
 531                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE2,
 532                         &get_uint32, &p->tm.qsize[2]);
 533                 if (ret < 0)
 534                         goto out_free;
 535         }
 536
 537         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE3) == 1) {
 538                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE3,
 539                         &get_uint32, &p->tm.qsize[3]);
 540                 if (ret < 0)
 541                         goto out_free;
 542         }
 543
 544         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE4) == 1) {
 545                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE4,
 546                         &get_uint32, &p->tm.qsize[4]);
 547                 if (ret < 0)
 548                         goto out_free;
 549         }
 550
 551         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE5) == 1) {
 552                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE5,
 553                         &get_uint32, &p->tm.qsize[5]);
 554                 if (ret < 0)
 555                         goto out_free;
 556         }
 557
 558         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE6) == 1) {
 559                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE6,
 560                         &get_uint32, &p->tm.qsize[6]);
 561                 if (ret < 0)
 562                         goto out_free;
 563         }
 564
 565         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE7) == 1) {
 566                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE7,
 567                         &get_uint32, &p->tm.qsize[7]);
 568                 if (ret < 0)
 569                         goto out_free;
 570         }
 571         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE8) == 1) {
 572                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE8,
 573                         &get_uint32, &p->tm.qsize[8]);
 574                 if (ret < 0)
 575                         goto out_free;
 576         }
 577         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE9) == 1) {
 578                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE9,
 579                         &get_uint32, &p->tm.qsize[9]);
 580                 if (ret < 0)
 581                         goto out_free;
 582         }
 583
 584         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE10) == 1) {
 585                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE10,
 586                         &get_uint32, &p->tm.qsize[10]);
 587                 if (ret < 0)
 588                         goto out_free;
 589         }
 590
 591         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE11) == 1) {
 592                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE11,
 593                         &get_uint32, &p->tm.qsize[11]);
 594                 if (ret < 0)
 595                         goto out_free;
 596         }
 597
 598         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE12) == 1) {
 599                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE12,
 600                         &get_uint32, &p->tm.qsize[12]);
 601                 if (ret < 0)
 602                         goto out_free;
 603         }
 604
 605 out_free:
 606         rte_kvargs_free(kvlist);
 607         return ret;
 608 }
 609
 610 static int
 611 pmd_probe(struct rte_vdev_device *vdev)
 612 {
 613         struct pmd_params p;
 614         const char *params;
 615         int status = 0;
 616
 617         void *dev_private;
 618         const char *name = rte_vdev_device_name(vdev);
 619
 620         PMD_LOG(INFO, "Probing device \"%s\"", name);
 621
 622         /* Parse input arguments */
 623         params = rte_vdev_device_args(vdev);
 624         if (!params)
 625                 return -EINVAL;
 626
 627         status = pmd_parse_args(&p, params);
 628         if (status)
 629                 return status;
 630
 631         p.name = name;
 632
 633         /* Allocate and initialize soft ethdev private data */
 634         dev_private = pmd_init(&p);
 635         if (dev_private == NULL)
 636                 return -ENOMEM;
 637
 638         /* Register soft ethdev */
 639         PMD_LOG(INFO, "Creating soft ethdev \"%s\"", p.name);
 640
 641         status = pmd_ethdev_register(vdev, &p, dev_private);
 642         if (status) {
 643                 pmd_free(dev_private);
 644                 return status;
 645         }
 646
 647         return 0;
 648 }
 649
 650 static int
 651 pmd_remove(struct rte_vdev_device *vdev)
 652 {
 653         struct rte_eth_dev *dev = NULL;
 654
 655         if (!vdev)
 656                 return -EINVAL;
 657
 658         PMD_LOG(INFO, "Removing device \"%s\"", rte_vdev_device_name(vdev));
 659
 660         /* Find the ethdev entry */
 661         dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
 662         if (dev == NULL)
 663                 return 0; /* port already released */
 664
 665         pmd_dev_close(dev);
 666         rte_eth_dev_release_port(dev);
 667
 668         return 0;
 669 }
 670
 671 static struct rte_vdev_driver pmd_softnic_drv = {
 672         .probe = pmd_probe,
 673         .remove = pmd_remove,
 674 };
 675
 676 RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
 677 RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
 678         PMD_PARAM_FIRMWARE "=<string> "
 679         PMD_PARAM_CONN_PORT "=<uint16> "
 680         PMD_PARAM_CPU_ID "=<uint32> "
 681         PMD_PARAM_TM_N_QUEUES "=<uint32> "
 682         PMD_PARAM_TM_QSIZE0 "=<uint32> "
 683         PMD_PARAM_TM_QSIZE1 "=<uint32> "
 684         PMD_PARAM_TM_QSIZE2 "=<uint32> "
 685         PMD_PARAM_TM_QSIZE3 "=<uint32>"
 686         PMD_PARAM_TM_QSIZE4 "=<uint32> "
 687         PMD_PARAM_TM_QSIZE5 "=<uint32> "
 688         PMD_PARAM_TM_QSIZE6 "=<uint32> "
 689         PMD_PARAM_TM_QSIZE7 "=<uint32> "
 690         PMD_PARAM_TM_QSIZE8 "=<uint32> "
 691         PMD_PARAM_TM_QSIZE9 "=<uint32> "
 692         PMD_PARAM_TM_QSIZE10 "=<uint32> "
 693         PMD_PARAM_TM_QSIZE11 "=<uint32>"
 694         PMD_PARAM_TM_QSIZE12 "=<uint32>"
 695 );
 696
 697 int
 698 rte_pmd_softnic_manage(uint16_t port_id)
 699 {
 700         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 701         struct pmd_internals *softnic;
 702
 703 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
 704         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
 705 #endif
 706
 707         softnic = dev->data->dev_private;
 708
 709         softnic_conn_poll_for_conn(softnic->conn);
 710
 711         softnic_conn_poll_for_msg(softnic->conn);
 712
 713         return 0;
 714 }