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 static int pmd_softnic_logtype;
  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 void
  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
  98 static int
  99 pmd_dev_configure(struct rte_eth_dev *dev __rte_unused)
 100 {
 101         return 0;
 102 }
 103
 104 static int
 105 pmd_rx_queue_setup(struct rte_eth_dev *dev,
 106         uint16_t rx_queue_id,
 107         uint16_t nb_rx_desc,
 108         unsigned int socket_id __rte_unused,
 109         const struct rte_eth_rxconf *rx_conf __rte_unused,
 110         struct rte_mempool *mb_pool __rte_unused)
 111 {
 112         char name[NAME_SIZE];
 113         struct pmd_internals *p = dev->data->dev_private;
 114         struct softnic_swq *swq;
 115
 116         struct softnic_swq_params params = {
 117                 .size = nb_rx_desc,
 118         };
 119
 120         snprintf(name, sizeof(name), "RXQ%u", rx_queue_id);
 121
 122         swq = softnic_swq_create(p,
 123                 name,
 124                 &params);
 125         if (swq == NULL)
 126                 return -1;
 127
 128         dev->data->rx_queues[rx_queue_id] = swq->r;
 129         return 0;
 130 }
 131
 132 static int
 133 pmd_tx_queue_setup(struct rte_eth_dev *dev,
 134         uint16_t tx_queue_id,
 135         uint16_t nb_tx_desc,
 136         unsigned int socket_id __rte_unused,
 137         const struct rte_eth_txconf *tx_conf __rte_unused)
 138 {
 139         char name[NAME_SIZE];
 140         struct pmd_internals *p = dev->data->dev_private;
 141         struct softnic_swq *swq;
 142
 143         struct softnic_swq_params params = {
 144                 .size = nb_tx_desc,
 145         };
 146
 147         snprintf(name, sizeof(name), "TXQ%u", tx_queue_id);
 148
 149         swq = softnic_swq_create(p,
 150                 name,
 151                 &params);
 152         if (swq == NULL)
 153                 return -1;
 154
 155         dev->data->tx_queues[tx_queue_id] = swq->r;
 156         return 0;
 157 }
 158
 159 static int
 160 pmd_dev_start(struct rte_eth_dev *dev)
 161 {
 162         struct pmd_internals *p = dev->data->dev_private;
 163         int status;
 164
 165         /* Firmware */
 166         status = softnic_cli_script_process(p,
 167                 p->params.firmware,
 168                 conn_params_default.msg_in_len_max,
 169                 conn_params_default.msg_out_len_max);
 170         if (status)
 171                 return status;
 172
 173         /* Link UP */
 174         dev->data->dev_link.link_status = ETH_LINK_UP;
 175
 176         return 0;
 177 }
 178
 179 static void
 180 pmd_dev_stop(struct rte_eth_dev *dev)
 181 {
 182         struct pmd_internals *p = dev->data->dev_private;
 183
 184         /* Link DOWN */
 185         dev->data->dev_link.link_status = ETH_LINK_DOWN;
 186
 187         /* Firmware */
 188         softnic_pipeline_disable_all(p);
 189         softnic_pipeline_free(p);
 190         softnic_table_action_profile_free(p);
 191         softnic_port_in_action_profile_free(p);
 192         softnic_tap_free(p);
 193         softnic_tmgr_free(p);
 194         softnic_link_free(p);
 195         softnic_softnic_swq_free_keep_rxq_txq(p);
 196         softnic_mempool_free(p);
 197
 198         tm_hierarchy_free(p);
 199         softnic_mtr_free(p);
 200 }
 201
 202 static void
 203 pmd_dev_close(struct rte_eth_dev *dev __rte_unused)
 204 {
 205         return;
 206 }
 207
 208 static int
 209 pmd_link_update(struct rte_eth_dev *dev __rte_unused,
 210         int wait_to_complete __rte_unused)
 211 {
 212         return 0;
 213 }
 214
 215 static int
 216 pmd_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
 217                 enum rte_filter_type filter_type,
 218                 enum rte_filter_op filter_op,
 219                 void *arg)
 220 {
 221         if (filter_type == RTE_ETH_FILTER_GENERIC &&
 222                         filter_op == RTE_ETH_FILTER_GET) {
 223                 *(const void **)arg = &pmd_flow_ops;
 224                 return 0;
 225         }
 226
 227         return -ENOTSUP;
 228 }
 229
 230 static int
 231 pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 232 {
 233         *(const struct rte_tm_ops **)arg = &pmd_tm_ops;
 234
 235         return 0;
 236 }
 237
 238 static int
 239 pmd_mtr_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
 240 {
 241         *(const struct rte_mtr_ops **)arg = &pmd_mtr_ops;
 242
 243         return 0;
 244 }
 245
 246 static const struct eth_dev_ops pmd_ops = {
 247         .dev_configure = pmd_dev_configure,
 248         .dev_start = pmd_dev_start,
 249         .dev_stop = pmd_dev_stop,
 250         .dev_close = pmd_dev_close,
 251         .link_update = pmd_link_update,
 252         .dev_infos_get = pmd_dev_infos_get,
 253         .rx_queue_setup = pmd_rx_queue_setup,
 254         .tx_queue_setup = pmd_tx_queue_setup,
 255         .filter_ctrl = pmd_filter_ctrl,
 256         .tm_ops_get = pmd_tm_ops_get,
 257         .mtr_ops_get = pmd_mtr_ops_get,
 258 };
 259
 260 static uint16_t
 261 pmd_rx_pkt_burst(void *rxq,
 262         struct rte_mbuf **rx_pkts,
 263         uint16_t nb_pkts)
 264 {
 265         return (uint16_t)rte_ring_sc_dequeue_burst(rxq,
 266                 (void **)rx_pkts,
 267                 nb_pkts,
 268                 NULL);
 269 }
 270
 271 static uint16_t
 272 pmd_tx_pkt_burst(void *txq,
 273         struct rte_mbuf **tx_pkts,
 274         uint16_t nb_pkts)
 275 {
 276         return (uint16_t)rte_ring_sp_enqueue_burst(txq,
 277                 (void **)tx_pkts,
 278                 nb_pkts,
 279                 NULL);
 280 }
 281
 282 static void *
 283 pmd_init(struct pmd_params *params)
 284 {
 285         struct pmd_internals *p;
 286         int status;
 287
 288         p = rte_zmalloc_socket(params->name,
 289                 sizeof(struct pmd_internals),
 290                 0,
 291                 params->cpu_id);
 292         if (p == NULL)
 293                 return NULL;
 294
 295         /* Params */
 296         memcpy(&p->params, params, sizeof(p->params));
 297
 298         /* Resources */
 299         tm_hierarchy_init(p);
 300         softnic_mtr_init(p);
 301
 302         softnic_mempool_init(p);
 303         softnic_swq_init(p);
 304         softnic_link_init(p);
 305         softnic_tmgr_init(p);
 306         softnic_tap_init(p);
 307         softnic_cryptodev_init(p);
 308         softnic_port_in_action_profile_init(p);
 309         softnic_table_action_profile_init(p);
 310         softnic_pipeline_init(p);
 311
 312         status = softnic_thread_init(p);
 313         if (status) {
 314                 rte_free(p);
 315                 return NULL;
 316         }
 317
 318         if (params->conn_port) {
 319                 struct softnic_conn_params conn_params;
 320
 321                 memcpy(&conn_params, &conn_params_default, sizeof(conn_params));
 322                 conn_params.port = p->params.conn_port;
 323                 conn_params.msg_handle_arg = p;
 324
 325                 p->conn = softnic_conn_init(&conn_params);
 326                 if (p->conn == NULL) {
 327                         softnic_thread_free(p);
 328                         rte_free(p);
 329                         return NULL;
 330                 }
 331         }
 332
 333         return p;
 334 }
 335
 336 static void
 337 pmd_free(struct pmd_internals *p)
 338 {
 339         if (p == NULL)
 340                 return;
 341
 342         if (p->params.conn_port)
 343                 softnic_conn_free(p->conn);
 344
 345         softnic_thread_free(p);
 346         softnic_pipeline_free(p);
 347         softnic_table_action_profile_free(p);
 348         softnic_port_in_action_profile_free(p);
 349         softnic_tap_free(p);
 350         softnic_tmgr_free(p);
 351         softnic_link_free(p);
 352         softnic_swq_free(p);
 353         softnic_mempool_free(p);
 354
 355         tm_hierarchy_free(p);
 356         softnic_mtr_free(p);
 357
 358         rte_free(p);
 359 }
 360
 361 static struct rte_ether_addr eth_addr = {
 362         .addr_bytes = {0},
 363 };
 364
 365 static int
 366 pmd_ethdev_register(struct rte_vdev_device *vdev,
 367         struct pmd_params *params,
 368         void *dev_private)
 369 {
 370         struct rte_eth_dev *dev;
 371
 372         /* Ethdev entry allocation */
 373         dev = rte_eth_dev_allocate(params->name);
 374         if (!dev)
 375                 return -ENOMEM;
 376
 377         /* dev */
 378         dev->rx_pkt_burst = pmd_rx_pkt_burst;
 379         dev->tx_pkt_burst = pmd_tx_pkt_burst;
 380         dev->tx_pkt_prepare = NULL;
 381         dev->dev_ops = &pmd_ops;
 382         dev->device = &vdev->device;
 383
 384         /* dev->data */
 385         dev->data->dev_private = dev_private;
 386         dev->data->dev_link.link_speed = ETH_SPEED_NUM_100G;
 387         dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 388         dev->data->dev_link.link_autoneg = ETH_LINK_FIXED;
 389         dev->data->dev_link.link_status = ETH_LINK_DOWN;
 390         dev->data->mac_addrs = &eth_addr;
 391         dev->data->promiscuous = 1;
 392         dev->data->kdrv = RTE_KDRV_NONE;
 393         dev->data->numa_node = params->cpu_id;
 394
 395         rte_eth_dev_probing_finish(dev);
 396
 397         return 0;
 398 }
 399
 400 static int
 401 get_string(const char *key __rte_unused, const char *value, void *extra_args)
 402 {
 403         if (!value || !extra_args)
 404                 return -EINVAL;
 405
 406         *(char **)extra_args = strdup(value);
 407
 408         if (!*(char **)extra_args)
 409                 return -ENOMEM;
 410
 411         return 0;
 412 }
 413
 414 static int
 415 get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
 416 {
 417         if (!value || !extra_args)
 418                 return -EINVAL;
 419
 420         *(uint32_t *)extra_args = strtoull(value, NULL, 0);
 421
 422         return 0;
 423 }
 424
 425 static int
 426 get_uint16(const char *key __rte_unused, const char *value, void *extra_args)
 427 {
 428         if (!value || !extra_args)
 429                 return -EINVAL;
 430
 431         *(uint16_t *)extra_args = strtoull(value, NULL, 0);
 432
 433         return 0;
 434 }
 435
 436 static int
 437 pmd_parse_args(struct pmd_params *p, const char *params)
 438 {
 439         struct rte_kvargs *kvlist;
 440         int ret = 0;
 441
 442         kvlist = rte_kvargs_parse(params, pmd_valid_args);
 443         if (kvlist == NULL)
 444                 return -EINVAL;
 445
 446         /* Set default values */
 447         memset(p, 0, sizeof(*p));
 448         p->firmware = SOFTNIC_FIRMWARE;
 449         p->cpu_id = SOFTNIC_CPU_ID;
 450         p->sc = SOFTNIC_SC;
 451         p->tm.n_queues = SOFTNIC_TM_N_QUEUES;
 452         p->tm.qsize[0] = SOFTNIC_TM_QUEUE_SIZE;
 453         p->tm.qsize[1] = SOFTNIC_TM_QUEUE_SIZE;
 454         p->tm.qsize[2] = SOFTNIC_TM_QUEUE_SIZE;
 455         p->tm.qsize[3] = SOFTNIC_TM_QUEUE_SIZE;
 456         p->tm.qsize[4] = SOFTNIC_TM_QUEUE_SIZE;
 457         p->tm.qsize[5] = SOFTNIC_TM_QUEUE_SIZE;
 458         p->tm.qsize[6] = SOFTNIC_TM_QUEUE_SIZE;
 459         p->tm.qsize[7] = SOFTNIC_TM_QUEUE_SIZE;
 460         p->tm.qsize[8] = SOFTNIC_TM_QUEUE_SIZE;
 461         p->tm.qsize[9] = SOFTNIC_TM_QUEUE_SIZE;
 462         p->tm.qsize[10] = SOFTNIC_TM_QUEUE_SIZE;
 463         p->tm.qsize[11] = SOFTNIC_TM_QUEUE_SIZE;
 464         p->tm.qsize[12] = SOFTNIC_TM_QUEUE_SIZE;
 465
 466         /* Firmware script (optional) */
 467         if (rte_kvargs_count(kvlist, PMD_PARAM_FIRMWARE) == 1) {
 468                 ret = rte_kvargs_process(kvlist, PMD_PARAM_FIRMWARE,
 469                         &get_string, &p->firmware);
 470                 if (ret < 0)
 471                         goto out_free;
 472         }
 473
 474         /* Connection listening port (optional) */
 475         if (rte_kvargs_count(kvlist, PMD_PARAM_CONN_PORT) == 1) {
 476                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CONN_PORT,
 477                         &get_uint16, &p->conn_port);
 478                 if (ret < 0)
 479                         goto out_free;
 480         }
 481
 482         /* CPU ID (optional) */
 483         if (rte_kvargs_count(kvlist, PMD_PARAM_CPU_ID) == 1) {
 484                 ret = rte_kvargs_process(kvlist, PMD_PARAM_CPU_ID,
 485                         &get_uint32, &p->cpu_id);
 486                 if (ret < 0)
 487                         goto out_free;
 488         }
 489
 490         /* Service cores (optional) */
 491         if (rte_kvargs_count(kvlist, PMD_PARAM_SC) == 1) {
 492                 ret = rte_kvargs_process(kvlist, PMD_PARAM_SC,
 493                         &get_uint32, &p->sc);
 494                 if (ret < 0)
 495                         goto out_free;
 496         }
 497
 498         /* TM number of queues (optional) */
 499         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_N_QUEUES) == 1) {
 500                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_N_QUEUES,
 501                         &get_uint32, &p->tm.n_queues);
 502                 if (ret < 0)
 503                         goto out_free;
 504         }
 505
 506         /* TM queue size 0 .. 3 (optional) */
 507         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE0) == 1) {
 508                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE0,
 509                         &get_uint32, &p->tm.qsize[0]);
 510                 if (ret < 0)
 511                         goto out_free;
 512         }
 513
 514         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE1) == 1) {
 515                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE1,
 516                         &get_uint32, &p->tm.qsize[1]);
 517                 if (ret < 0)
 518                         goto out_free;
 519         }
 520
 521         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE2) == 1) {
 522                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE2,
 523                         &get_uint32, &p->tm.qsize[2]);
 524                 if (ret < 0)
 525                         goto out_free;
 526         }
 527
 528         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE3) == 1) {
 529                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE3,
 530                         &get_uint32, &p->tm.qsize[3]);
 531                 if (ret < 0)
 532                         goto out_free;
 533         }
 534
 535         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE4) == 1) {
 536                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE4,
 537                         &get_uint32, &p->tm.qsize[4]);
 538                 if (ret < 0)
 539                         goto out_free;
 540         }
 541
 542         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE5) == 1) {
 543                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE5,
 544                         &get_uint32, &p->tm.qsize[5]);
 545                 if (ret < 0)
 546                         goto out_free;
 547         }
 548
 549         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE6) == 1) {
 550                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE6,
 551                         &get_uint32, &p->tm.qsize[6]);
 552                 if (ret < 0)
 553                         goto out_free;
 554         }
 555
 556         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE7) == 1) {
 557                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE7,
 558                         &get_uint32, &p->tm.qsize[7]);
 559                 if (ret < 0)
 560                         goto out_free;
 561         }
 562         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE8) == 1) {
 563                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE8,
 564                         &get_uint32, &p->tm.qsize[8]);
 565                 if (ret < 0)
 566                         goto out_free;
 567         }
 568         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE9) == 1) {
 569                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE9,
 570                         &get_uint32, &p->tm.qsize[9]);
 571                 if (ret < 0)
 572                         goto out_free;
 573         }
 574
 575         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE10) == 1) {
 576                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE10,
 577                         &get_uint32, &p->tm.qsize[10]);
 578                 if (ret < 0)
 579                         goto out_free;
 580         }
 581
 582         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE11) == 1) {
 583                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE11,
 584                         &get_uint32, &p->tm.qsize[11]);
 585                 if (ret < 0)
 586                         goto out_free;
 587         }
 588
 589         if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE12) == 1) {
 590                 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE12,
 591                         &get_uint32, &p->tm.qsize[12]);
 592                 if (ret < 0)
 593                         goto out_free;
 594         }
 595
 596 out_free:
 597         rte_kvargs_free(kvlist);
 598         return ret;
 599 }
 600
 601 static int
 602 pmd_probe(struct rte_vdev_device *vdev)
 603 {
 604         struct pmd_params p;
 605         const char *params;
 606         int status = 0;
 607
 608         void *dev_private;
 609         const char *name = rte_vdev_device_name(vdev);
 610
 611         PMD_LOG(INFO, "Probing device \"%s\"", name);
 612
 613         /* Parse input arguments */
 614         params = rte_vdev_device_args(vdev);
 615         if (!params)
 616                 return -EINVAL;
 617
 618         status = pmd_parse_args(&p, params);
 619         if (status)
 620                 return status;
 621
 622         p.name = name;
 623
 624         /* Allocate and initialize soft ethdev private data */
 625         dev_private = pmd_init(&p);
 626         if (dev_private == NULL)
 627                 return -ENOMEM;
 628
 629         /* Register soft ethdev */
 630         PMD_LOG(INFO, "Creating soft ethdev \"%s\"", p.name);
 631
 632         status = pmd_ethdev_register(vdev, &p, dev_private);
 633         if (status) {
 634                 pmd_free(dev_private);
 635                 return status;
 636         }
 637
 638         return 0;
 639 }
 640
 641 static int
 642 pmd_remove(struct rte_vdev_device *vdev)
 643 {
 644         struct rte_eth_dev *dev = NULL;
 645
 646         if (!vdev)
 647                 return -EINVAL;
 648
 649         PMD_LOG(INFO, "Removing device \"%s\"", rte_vdev_device_name(vdev));
 650
 651         /* Find the ethdev entry */
 652         dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
 653         if (dev == NULL)
 654                 return -ENODEV;
 655
 656         /* Free device data structures*/
 657         pmd_free(dev->data->dev_private);
 658         dev->data->dev_private = NULL; /* already freed */
 659         dev->data->mac_addrs = NULL; /* statically allocated */
 660         rte_eth_dev_release_port(dev);
 661
 662         return 0;
 663 }
 664
 665 static struct rte_vdev_driver pmd_softnic_drv = {
 666         .probe = pmd_probe,
 667         .remove = pmd_remove,
 668 };
 669
 670 RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
 671 RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
 672         PMD_PARAM_FIRMWARE "=<string> "
 673         PMD_PARAM_CONN_PORT "=<uint16> "
 674         PMD_PARAM_CPU_ID "=<uint32> "
 675         PMD_PARAM_TM_N_QUEUES "=<uint32> "
 676         PMD_PARAM_TM_QSIZE0 "=<uint32> "
 677         PMD_PARAM_TM_QSIZE1 "=<uint32> "
 678         PMD_PARAM_TM_QSIZE2 "=<uint32> "
 679         PMD_PARAM_TM_QSIZE3 "=<uint32>"
 680         PMD_PARAM_TM_QSIZE4 "=<uint32> "
 681         PMD_PARAM_TM_QSIZE5 "=<uint32> "
 682         PMD_PARAM_TM_QSIZE6 "=<uint32> "
 683         PMD_PARAM_TM_QSIZE7 "=<uint32> "
 684         PMD_PARAM_TM_QSIZE8 "=<uint32> "
 685         PMD_PARAM_TM_QSIZE9 "=<uint32> "
 686         PMD_PARAM_TM_QSIZE10 "=<uint32> "
 687         PMD_PARAM_TM_QSIZE11 "=<uint32>"
 688         PMD_PARAM_TM_QSIZE12 "=<uint32>"
 689 );
 690
 691
 692 RTE_INIT(pmd_softnic_init_log)
 693 {
 694         pmd_softnic_logtype = rte_log_register("pmd.net.softnic");
 695         if (pmd_softnic_logtype >= 0)
 696                 rte_log_set_level(pmd_softnic_logtype, RTE_LOG_NOTICE);
 697 }
 698
 699 int
 700 rte_pmd_softnic_manage(uint16_t port_id)
 701 {
 702         struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 703         struct pmd_internals *softnic;
 704
 705 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
 706         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
 707 #endif
 708
 709         softnic = dev->data->dev_private;
 710
 711         softnic_conn_poll_for_conn(softnic->conn);
 712
 713         softnic_conn_poll_for_msg(softnic->conn);
 714
 715         return 0;
 716 }