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 <ethdev_driver.h>
  10 #include <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_DEFAULT(pmd_softnic_logtype, 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_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
 252                  const struct rte_flow_ops **ops)
 253 {
 254         *ops = &pmd_flow_ops;
 255         return 0;
 256 }
 257
 258 static int
 259 pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 260 {
 261         *(const struct rte_tm_ops **)arg = &pmd_tm_ops;
 262
 263         return 0;
 264 }
 265
 266 static int
 267 pmd_mtr_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 268 {
 269         *(const struct rte_mtr_ops **)arg = &pmd_mtr_ops;
 270
 271         return 0;
 272 }
 273
 274 static const struct eth_dev_ops pmd_ops = {
 275         .dev_configure = pmd_dev_configure,
 276         .dev_start = pmd_dev_start,
 277         .dev_stop = pmd_dev_stop,
 278         .dev_close = pmd_dev_close,
 279         .link_update = pmd_link_update,
 280         .dev_infos_get = pmd_dev_infos_get,
 281         .rx_queue_setup = pmd_rx_queue_setup,
 282         .tx_queue_setup = pmd_tx_queue_setup,
 283         .flow_ops_get = pmd_flow_ops_get,
 284         .tm_ops_get = pmd_tm_ops_get,
 285         .mtr_ops_get = pmd_mtr_ops_get,
 286 };
 287
 288 static uint16_t
 289 pmd_rx_pkt_burst(void *rxq,
 290         struct rte_mbuf **rx_pkts,
 291         uint16_t nb_pkts)
 292 {
 293         return (uint16_t)rte_ring_sc_dequeue_burst(rxq,
 294                 (void **)rx_pkts,
 295                 nb_pkts,
 296                 NULL);
 297 }
 298
 299 static uint16_t
 300 pmd_tx_pkt_burst(void *txq,
 301         struct rte_mbuf **tx_pkts,
 302         uint16_t nb_pkts)
 303 {
 304         return (uint16_t)rte_ring_sp_enqueue_burst(txq,
 305                 (void **)tx_pkts,
 306                 nb_pkts,
 307                 NULL);
 308 }
 309
 310 static void *
 311 pmd_init(struct pmd_params *params)
 312 {
 313         struct pmd_internals *p;
 314         int status;
 315
 316         p = rte_zmalloc_socket(params->name,
 317                 sizeof(struct pmd_internals),
 318                 0,
 319                 params->cpu_id);
 320         if (p == NULL)
 321                 return NULL;
 322
 323         /* Params */
 324         memcpy(&p->params, params, sizeof(p->params));
 325
 326         /* Resources */
 327         tm_hierarchy_init(p);
 328         softnic_mtr_init(p);
 329
 330         softnic_mempool_init(p);
 331         softnic_swq_init(p);
 332         softnic_link_init(p);
 333         softnic_tmgr_init(p);
 334         softnic_tap_init(p);
 335         softnic_cryptodev_init(p);
 336         softnic_port_in_action_profile_init(p);
 337         softnic_table_action_profile_init(p);
 338         softnic_pipeline_init(p);
 339
 340         status = softnic_thread_init(p);
 341         if (status) {
 342                 rte_free(p);
 343                 return NULL;
 344         }
 345
 346         if (params->conn_port) {
 347                 struct softnic_conn_params conn_params;
 348
 349                 memcpy(&conn_params, &conn_params_default, sizeof(conn_params));
 350                 conn_params.port = p->params.conn_port;
 351                 conn_params.msg_handle_arg = p;
 352
 353                 p->conn = softnic_conn_init(&conn_params);
 354                 if (p->conn == NULL) {
 355                         softnic_thread_free(p);
 356                         rte_free(p);
 357                         return NULL;
 358                 }
 359         }
 360
 361         return p;
 362 }
 363
 364 static struct rte_ether_addr eth_addr = {
 365         .addr_bytes = {0},
 366 };
 367
 368 static int
 369 pmd_ethdev_register(struct rte_vdev_device *vdev,
 370         struct pmd_params *params,
 371         void *dev_private)
 372 {
 373         struct rte_eth_dev *dev;
 374
 375         /* Ethdev entry allocation */
 376         dev = rte_eth_dev_allocate(params->name);
 377         if (!dev)
 378                 return -ENOMEM;
 379
 380         /* dev */
 381         dev->rx_pkt_burst = pmd_rx_pkt_burst;
 382         dev->tx_pkt_burst = pmd_tx_pkt_burst;
 383         dev->tx_pkt_prepare = NULL;
 384         dev->dev_ops = &pmd_ops;
 385         dev->device = &vdev->device;
 386
 387         /* dev->data */
 388         dev->data->dev_private = dev_private;
 389         dev->data->dev_link.link_speed = ETH_SPEED_NUM_100G;
 390         dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 391         dev->data->dev_link.link_autoneg = ETH_LINK_FIXED;
 392         dev->data->dev_link.link_status = ETH_LINK_DOWN;
 393         dev->data->mac_addrs = &eth_addr;
 394         dev->data->promiscuous = 1;
 395         dev->data->numa_node = params->cpu_id;
 396
 397         rte_eth_dev_probing_finish(dev);
 398
 399         return 0;
 400 }
 401
 402 static int
 403 get_string(const char *key __rte_unused, const char *value, void *extra_args)
 404 {
 405         if (!value || !extra_args)
 406                 return -EINVAL;
 407
 408         *(char **)extra_args = strdup(value);
 409
 410         if (!*(char **)extra_args)
 411                 return -ENOMEM;
 412
 413         return 0;
 414 }
 415
 416 static int
 417 get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
 418 {
 419         if (!value || !extra_args)
 420                 return -EINVAL;
 421
 422         *(uint32_t *)extra_args = strtoull(value, NULL, 0);
 423
 424         return 0;
 425 }
 426
 427 static int
 428 get_uint16(const char *key __rte_unused, const char *value, void *extra_args)
 429 {
 430         if (!value || !extra_args)
 431                 return -EINVAL;
 432
 433         *(uint16_t *)extra_args = strtoull(value, NULL, 0);
 434
 435         return 0;
 436 }
 437
 438 static int
 439 pmd_parse_args(struct pmd_params *p, const char *params)
 440 {
 441         struct rte_kvargs *kvlist;
 442         int ret = 0;
 443         char *firmware = NULL;
 444
 445         kvlist = rte_kvargs_parse(params, pmd_valid_args);
 446         if (kvlist == NULL)
 447                 return -EINVAL;
 448
 449         /* Set default values */
 450         memset(p, 0, sizeof(*p));
 451         if (rte_strscpy(p->firmware, SOFTNIC_FIRMWARE,
 452                         sizeof(p->firmware)) < 0) {
 453                 PMD_LOG(WARNING,
 454                         "\"%s\": firmware path should be shorter than %zu",
 455                         SOFTNIC_FIRMWARE, sizeof(p->firmware));
 456                 ret = -EINVAL;
 457                 goto out_free;
 458         }
 459         p->cpu_id = SOFTNIC_CPU_ID;
 460         p->sc = SOFTNIC_SC;
 461         p->tm.n_queues = SOFTNIC_TM_N_QUEUES;
 462         p->tm.qsize[0] = SOFTNIC_TM_QUEUE_SIZE;
 463         p->tm.qsize[1] = SOFTNIC_TM_QUEUE_SIZE;
 464         p->tm.qsize[2] = SOFTNIC_TM_QUEUE_SIZE;
 465         p->tm.qsize[3] = SOFTNIC_TM_QUEUE_SIZE;
 466         p->tm.qsize[4] = SOFTNIC_TM_QUEUE_SIZE;
 467         p->tm.qsize[5] = SOFTNIC_TM_QUEUE_SIZE;
 468         p->tm.qsize[6] = SOFTNIC_TM_QUEUE_SIZE;
 469         p->tm.qsize[7] = SOFTNIC_TM_QUEUE_SIZE;
 470         p->tm.qsize[8] = SOFTNIC_TM_QUEUE_SIZE;
 471         p->tm.qsize[9] = SOFTNIC_TM_QUEUE_SIZE;
 472         p->tm.qsize[10] = SOFTNIC_TM_QUEUE_SIZE;
 473         p->tm.qsize[11] = SOFTNIC_TM_QUEUE_SIZE;
 474         p->tm.qsize[12] = SOFTNIC_TM_QUEUE_SIZE;
 475
 476         /* Firmware script (optional) */
 477         if (rte_kvargs_count(kvlist, PMD_PARAM_FIRMWARE) == 1) {
 478                 ret = rte_kvargs_process(kvlist, PMD_PARAM_FIRMWARE,
 479                         &get_string, &firmware);
 480                 if (ret < 0)
 481                         goto out_free;
 482
 483                 if (rte_strscpy(p->firmware, firmware,
 484                                 sizeof(p->firmware)) < 0) {
 485                         PMD_LOG(WARNING,
 486                                 "\"%s\": "
 487                                 "firmware path should be shorter than %zu",
 488                                 firmware, sizeof(p->firmware));
 489                         free(firmware);
 490                         ret = -EINVAL;
 491                         goto out_free;
 492                 }
 493                 free(firmware);
 494         }
 495         /* Connection listening port (optional) */
 496         if (rte_kvargs_count(kvlist, PMD_PARAM_CONN_PORT) == 1) {
 497                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CONN_PORT,
 498                         &get_uint16, &p->conn_port);
 499                 if (ret < 0)
 500                         goto out_free;
 501         }
 502
 503         /* CPU ID (optional) */
 504         if (rte_kvargs_count(kvlist, PMD_PARAM_CPU_ID) == 1) {
 505                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CPU_ID,
 506                         &get_uint32, &p->cpu_id);
 507                 if (ret < 0)
 508                         goto out_free;
 509         }
 510
 511         /* Service cores (optional) */
 512         if (rte_kvargs_count(kvlist, PMD_PARAM_SC) == 1) {
 513                 ret = rte_kvargs_process(kvlist, PMD_PARAM_SC,
 514                         &get_uint32, &p->sc);
 515                 if (ret < 0)
 516                         goto out_free;
 517         }
 518
 519         /* TM number of queues (optional) */
 520         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_N_QUEUES) == 1) {
 521                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_N_QUEUES,
 522                         &get_uint32, &p->tm.n_queues);
 523                 if (ret < 0)
 524                         goto out_free;
 525         }
 526
 527         /* TM queue size 0 .. 3 (optional) */
 528         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE0) == 1) {
 529                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE0,
 530                         &get_uint32, &p->tm.qsize[0]);
 531                 if (ret < 0)
 532                         goto out_free;
 533         }
 534
 535         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE1) == 1) {
 536                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE1,
 537                         &get_uint32, &p->tm.qsize[1]);
 538                 if (ret < 0)
 539                         goto out_free;
 540         }
 541
 542         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE2) == 1) {
 543                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE2,
 544                         &get_uint32, &p->tm.qsize[2]);
 545                 if (ret < 0)
 546                         goto out_free;
 547         }
 548
 549         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE3) == 1) {
 550                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE3,
 551                         &get_uint32, &p->tm.qsize[3]);
 552                 if (ret < 0)
 553                         goto out_free;
 554         }
 555
 556         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE4) == 1) {
 557                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE4,
 558                         &get_uint32, &p->tm.qsize[4]);
 559                 if (ret < 0)
 560                         goto out_free;
 561         }
 562
 563         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE5) == 1) {
 564                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE5,
 565                         &get_uint32, &p->tm.qsize[5]);
 566                 if (ret < 0)
 567                         goto out_free;
 568         }
 569
 570         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE6) == 1) {
 571                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE6,
 572                         &get_uint32, &p->tm.qsize[6]);
 573                 if (ret < 0)
 574                         goto out_free;
 575         }
 576
 577         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE7) == 1) {
 578                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE7,
 579                         &get_uint32, &p->tm.qsize[7]);
 580                 if (ret < 0)
 581                         goto out_free;
 582         }
 583         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE8) == 1) {
 584                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE8,
 585                         &get_uint32, &p->tm.qsize[8]);
 586                 if (ret < 0)
 587                         goto out_free;
 588         }
 589         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE9) == 1) {
 590                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE9,
 591                         &get_uint32, &p->tm.qsize[9]);
 592                 if (ret < 0)
 593                         goto out_free;
 594         }
 595
 596         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE10) == 1) {
 597                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE10,
 598                         &get_uint32, &p->tm.qsize[10]);
 599                 if (ret < 0)
 600                         goto out_free;
 601         }
 602
 603         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE11) == 1) {
 604                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE11,
 605                         &get_uint32, &p->tm.qsize[11]);
 606                 if (ret < 0)
 607                         goto out_free;
 608         }
 609
 610         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE12) == 1) {
 611                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE12,
 612                         &get_uint32, &p->tm.qsize[12]);
 613                 if (ret < 0)
 614                         goto out_free;
 615         }
 616
 617 out_free:
 618         rte_kvargs_free(kvlist);
 619         return ret;
 620 }
 621
 622 static int
 623 pmd_probe(struct rte_vdev_device *vdev)
 624 {
 625         struct pmd_params p;
 626         const char *params;
 627         int status = 0;
 628
 629         void *dev_private;
 630         const char *name = rte_vdev_device_name(vdev);
 631
 632         PMD_LOG(INFO, "Probing device \"%s\"", name);
 633
 634         /* Parse input arguments */
 635         params = rte_vdev_device_args(vdev);
 636         if (!params)
 637                 return -EINVAL;
 638
 639         status = pmd_parse_args(&p, params);
 640         if (status)
 641                 return status;
 642
 643         if (rte_strscpy(p.name, name, sizeof(p.name)) < 0) {
 644                 PMD_LOG(WARNING,
 645                         "\"%s\": device name should be shorter than %zu",
 646                         name, sizeof(p.name));
 647                 return -EINVAL;
 648         }
 649
 650         /* Allocate and initialize soft ethdev private data */
 651         dev_private = pmd_init(&p);
 652         if (dev_private == NULL)
 653                 return -ENOMEM;
 654
 655         /* Register soft ethdev */
 656         PMD_LOG(INFO, "Creating soft ethdev \"%s\"", p.name);
 657
 658         status = pmd_ethdev_register(vdev, &p, dev_private);
 659         if (status) {
 660                 pmd_free(dev_private);
 661                 return status;
 662         }
 663
 664         return 0;
 665 }
 666
 667 static int
 668 pmd_remove(struct rte_vdev_device *vdev)
 669 {
 670         struct rte_eth_dev *dev = NULL;
 671
 672         if (!vdev)
 673                 return -EINVAL;
 674
 675         PMD_LOG(INFO, "Removing device \"%s\"", rte_vdev_device_name(vdev));
 676
 677         /* Find the ethdev entry */
 678         dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
 679         if (dev == NULL)
 680                 return 0; /* port already released */
 681
 682         pmd_dev_close(dev);
 683         rte_eth_dev_release_port(dev);
 684
 685         return 0;
 686 }
 687
 688 static struct rte_vdev_driver pmd_softnic_drv = {
 689         .probe = pmd_probe,
 690         .remove = pmd_remove,
 691 };
 692
 693 RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
 694 RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
 695         PMD_PARAM_FIRMWARE "=<string> "
 696         PMD_PARAM_CONN_PORT "=<uint16> "
 697         PMD_PARAM_CPU_ID "=<uint32> "
 698         PMD_PARAM_TM_N_QUEUES "=<uint32> "
 699         PMD_PARAM_TM_QSIZE0 "=<uint32> "
 700         PMD_PARAM_TM_QSIZE1 "=<uint32> "
 701         PMD_PARAM_TM_QSIZE2 "=<uint32> "
 702         PMD_PARAM_TM_QSIZE3 "=<uint32>"
 703         PMD_PARAM_TM_QSIZE4 "=<uint32> "
 704         PMD_PARAM_TM_QSIZE5 "=<uint32> "
 705         PMD_PARAM_TM_QSIZE6 "=<uint32> "
 706         PMD_PARAM_TM_QSIZE7 "=<uint32> "
 707         PMD_PARAM_TM_QSIZE8 "=<uint32> "
 708         PMD_PARAM_TM_QSIZE9 "=<uint32> "
 709         PMD_PARAM_TM_QSIZE10 "=<uint32> "
 710         PMD_PARAM_TM_QSIZE11 "=<uint32>"
 711         PMD_PARAM_TM_QSIZE12 "=<uint32>"
 712 );
 713
 714 int
 715 rte_pmd_softnic_manage(uint16_t port_id)
 716 {
 717         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 718         struct pmd_internals *softnic;
 719
 720 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
 721         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
 722 #endif
 723
 724         softnic = dev->data->dev_private;
 725
 726         softnic_conn_poll_for_conn(softnic->conn);
 727
 728         softnic_conn_poll_for_msg(softnic->conn);
 729
 730         return 0;
 731 }