drivers/net/mlx5/mlx5.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright 2015 6WIND S.A.
   5  *   Copyright 2015 Mellanox.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of 6WIND S.A. nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stddef.h>
  35 #include <unistd.h>
  36 #include <string.h>
  37 #include <assert.h>
  38 #include <stdint.h>
  39 #include <stdlib.h>
  40 #include <net/if.h>
  41
  42 /* Verbs header. */
  43 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
  44 #ifdef PEDANTIC
  45 #pragma GCC diagnostic ignored "-pedantic"
  46 #endif
  47 #include <infiniband/verbs.h>
  48 #ifdef PEDANTIC
  49 #pragma GCC diagnostic error "-pedantic"
  50 #endif
  51
  52 /* DPDK headers don't like -pedantic. */
  53 #ifdef PEDANTIC
  54 #pragma GCC diagnostic ignored "-pedantic"
  55 #endif
  56 #include <rte_malloc.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_pci.h>
  59 #include <rte_common.h>
  60 #ifdef PEDANTIC
  61 #pragma GCC diagnostic error "-pedantic"
  62 #endif
  63
  64 #include "mlx5.h"
  65 #include "mlx5_utils.h"
  66 #include "mlx5_rxtx.h"
  67 #include "mlx5_autoconf.h"
  68
  69 /**
  70  * DPDK callback to close the device.
  71  *
  72  * Destroy all queues and objects, free memory.
  73  *
  74  * @param dev
  75  *   Pointer to Ethernet device structure.
  76  */
  77 static void
  78 mlx5_dev_close(struct rte_eth_dev *dev)
  79 {
  80         struct priv *priv = dev->data->dev_private;
  81         void *tmp;
  82         unsigned int i;
  83
  84         priv_lock(priv);
  85         DEBUG("%p: closing device \"%s\"",
  86               (void *)dev,
  87               ((priv->ctx != NULL) ? priv->ctx->device->name : ""));
  88         /* In case mlx5_dev_stop() has not been called. */
  89         priv_dev_interrupt_handler_uninstall(priv, dev);
  90         priv_allmulticast_disable(priv);
  91         priv_promiscuous_disable(priv);
  92         priv_mac_addrs_disable(priv);
  93         priv_destroy_hash_rxqs(priv);
  94         /* Prevent crashes when queues are still in use. */
  95         dev->rx_pkt_burst = removed_rx_burst;
  96         dev->tx_pkt_burst = removed_tx_burst;
  97         if (priv->rxqs != NULL) {
  98                 /* XXX race condition if mlx5_rx_burst() is still running. */
  99                 usleep(1000);
 100                 for (i = 0; (i != priv->rxqs_n); ++i) {
 101                         tmp = (*priv->rxqs)[i];
 102                         if (tmp == NULL)
 103                                 continue;
 104                         (*priv->rxqs)[i] = NULL;
 105                         rxq_cleanup(tmp);
 106                         rte_free(tmp);
 107                 }
 108                 priv->rxqs_n = 0;
 109                 priv->rxqs = NULL;
 110         }
 111         if (priv->txqs != NULL) {
 112                 /* XXX race condition if mlx5_tx_burst() is still running. */
 113                 usleep(1000);
 114                 for (i = 0; (i != priv->txqs_n); ++i) {
 115                         tmp = (*priv->txqs)[i];
 116                         if (tmp == NULL)
 117                                 continue;
 118                         (*priv->txqs)[i] = NULL;
 119                         txq_cleanup(tmp);
 120                         rte_free(tmp);
 121                 }
 122                 priv->txqs_n = 0;
 123                 priv->txqs = NULL;
 124         }
 125         if (priv->pd != NULL) {
 126                 assert(priv->ctx != NULL);
 127                 claim_zero(ibv_dealloc_pd(priv->pd));
 128                 claim_zero(ibv_close_device(priv->ctx));
 129         } else
 130                 assert(priv->ctx == NULL);
 131         if (priv->rss_conf != NULL) {
 132                 for (i = 0; (i != hash_rxq_init_n); ++i)
 133                         rte_free((*priv->rss_conf)[i]);
 134                 rte_free(priv->rss_conf);
 135         }
 136         if (priv->reta_idx != NULL)
 137                 rte_free(priv->reta_idx);
 138         priv_unlock(priv);
 139         memset(priv, 0, sizeof(*priv));
 140 }
 141
 142 static const struct eth_dev_ops mlx5_dev_ops = {
 143         .dev_configure = mlx5_dev_configure,
 144         .dev_start = mlx5_dev_start,
 145         .dev_stop = mlx5_dev_stop,
 146         .dev_close = mlx5_dev_close,
 147         .promiscuous_enable = mlx5_promiscuous_enable,
 148         .promiscuous_disable = mlx5_promiscuous_disable,
 149         .allmulticast_enable = mlx5_allmulticast_enable,
 150         .allmulticast_disable = mlx5_allmulticast_disable,
 151         .link_update = mlx5_link_update,
 152         .stats_get = mlx5_stats_get,
 153         .stats_reset = mlx5_stats_reset,
 154         .dev_infos_get = mlx5_dev_infos_get,
 155         .vlan_filter_set = mlx5_vlan_filter_set,
 156         .rx_queue_setup = mlx5_rx_queue_setup,
 157         .tx_queue_setup = mlx5_tx_queue_setup,
 158         .rx_queue_release = mlx5_rx_queue_release,
 159         .tx_queue_release = mlx5_tx_queue_release,
 160         .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
 161         .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
 162         .mac_addr_remove = mlx5_mac_addr_remove,
 163         .mac_addr_add = mlx5_mac_addr_add,
 164         .mtu_set = mlx5_dev_set_mtu,
 165         .reta_update = mlx5_dev_rss_reta_update,
 166         .reta_query = mlx5_dev_rss_reta_query,
 167         .rss_hash_update = mlx5_rss_hash_update,
 168         .rss_hash_conf_get = mlx5_rss_hash_conf_get,
 169 };
 170
 171 static struct {
 172         struct rte_pci_addr pci_addr; /* associated PCI address */
 173         uint32_t ports; /* physical ports bitfield. */
 174 } mlx5_dev[32];
 175
 176 /**
 177  * Get device index in mlx5_dev[] from PCI bus address.
 178  *
 179  * @param[in] pci_addr
 180  *   PCI bus address to look for.
 181  *
 182  * @return
 183  *   mlx5_dev[] index on success, -1 on failure.
 184  */
 185 static int
 186 mlx5_dev_idx(struct rte_pci_addr *pci_addr)
 187 {
 188         unsigned int i;
 189         int ret = -1;
 190
 191         assert(pci_addr != NULL);
 192         for (i = 0; (i != RTE_DIM(mlx5_dev)); ++i) {
 193                 if ((mlx5_dev[i].pci_addr.domain == pci_addr->domain) &&
 194                     (mlx5_dev[i].pci_addr.bus == pci_addr->bus) &&
 195                     (mlx5_dev[i].pci_addr.devid == pci_addr->devid) &&
 196                     (mlx5_dev[i].pci_addr.function == pci_addr->function))
 197                         return i;
 198                 if ((mlx5_dev[i].ports == 0) && (ret == -1))
 199                         ret = i;
 200         }
 201         return ret;
 202 }
 203
 204 static struct eth_driver mlx5_driver;
 205
 206 /**
 207  * DPDK callback to register a PCI device.
 208  *
 209  * This function creates an Ethernet device for each port of a given
 210  * PCI device.
 211  *
 212  * @param[in] pci_drv
 213  *   PCI driver structure (mlx5_driver).
 214  * @param[in] pci_dev
 215  *   PCI device information.
 216  *
 217  * @return
 218  *   0 on success, negative errno value on failure.
 219  */
 220 static int
 221 mlx5_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 222 {
 223         struct ibv_device **list;
 224         struct ibv_device *ibv_dev;
 225         int err = 0;
 226         struct ibv_context *attr_ctx = NULL;
 227         struct ibv_device_attr device_attr;
 228         unsigned int vf;
 229         int idx;
 230         int i;
 231
 232         (void)pci_drv;
 233         assert(pci_drv == &mlx5_driver.pci_drv);
 234         /* Get mlx5_dev[] index. */
 235         idx = mlx5_dev_idx(&pci_dev->addr);
 236         if (idx == -1) {
 237                 ERROR("this driver cannot support any more adapters");
 238                 return -ENOMEM;
 239         }
 240         DEBUG("using driver device index %d", idx);
 241
 242         /* Save PCI address. */
 243         mlx5_dev[idx].pci_addr = pci_dev->addr;
 244         list = ibv_get_device_list(&i);
 245         if (list == NULL) {
 246                 assert(errno);
 247                 if (errno == ENOSYS) {
 248                         WARN("cannot list devices, is ib_uverbs loaded?");
 249                         return 0;
 250                 }
 251                 return -errno;
 252         }
 253         assert(i >= 0);
 254         /*
 255          * For each listed device, check related sysfs entry against
 256          * the provided PCI ID.
 257          */
 258         while (i != 0) {
 259                 struct rte_pci_addr pci_addr;
 260
 261                 --i;
 262                 DEBUG("checking device \"%s\"", list[i]->name);
 263                 if (mlx5_ibv_device_to_pci_addr(list[i], &pci_addr))
 264                         continue;
 265                 if ((pci_dev->addr.domain != pci_addr.domain) ||
 266                     (pci_dev->addr.bus != pci_addr.bus) ||
 267                     (pci_dev->addr.devid != pci_addr.devid) ||
 268                     (pci_dev->addr.function != pci_addr.function))
 269                         continue;
 270                 vf = ((pci_dev->id.device_id ==
 271                        PCI_DEVICE_ID_MELLANOX_CONNECTX4VF) ||
 272                       (pci_dev->id.device_id ==
 273                        PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF));
 274                 INFO("PCI information matches, using device \"%s\" (VF: %s)",
 275                      list[i]->name, (vf ? "true" : "false"));
 276                 attr_ctx = ibv_open_device(list[i]);
 277                 err = errno;
 278                 break;
 279         }
 280         if (attr_ctx == NULL) {
 281                 ibv_free_device_list(list);
 282                 switch (err) {
 283                 case 0:
 284                         WARN("cannot access device, is mlx5_ib loaded?");
 285                         return 0;
 286                 case EINVAL:
 287                         WARN("cannot use device, are drivers up to date?");
 288                         return 0;
 289                 }
 290                 assert(err > 0);
 291                 return -err;
 292         }
 293         ibv_dev = list[i];
 294
 295         DEBUG("device opened");
 296         if (ibv_query_device(attr_ctx, &device_attr))
 297                 goto error;
 298         INFO("%u port(s) detected", device_attr.phys_port_cnt);
 299
 300         for (i = 0; i < device_attr.phys_port_cnt; i++) {
 301                 uint32_t port = i + 1; /* ports are indexed from one */
 302                 uint32_t test = (1 << i);
 303                 struct ibv_context *ctx = NULL;
 304                 struct ibv_port_attr port_attr;
 305                 struct ibv_pd *pd = NULL;
 306                 struct priv *priv = NULL;
 307                 struct rte_eth_dev *eth_dev;
 308 #ifdef HAVE_EXP_QUERY_DEVICE
 309                 struct ibv_exp_device_attr exp_device_attr;
 310 #endif /* HAVE_EXP_QUERY_DEVICE */
 311                 struct ether_addr mac;
 312
 313 #ifdef HAVE_EXP_QUERY_DEVICE
 314                 exp_device_attr.comp_mask =
 315                         IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS |
 316                         IBV_EXP_DEVICE_ATTR_RX_HASH;
 317 #endif /* HAVE_EXP_QUERY_DEVICE */
 318
 319                 DEBUG("using port %u (%08" PRIx32 ")", port, test);
 320
 321                 ctx = ibv_open_device(ibv_dev);
 322                 if (ctx == NULL)
 323                         goto port_error;
 324
 325                 /* Check port status. */
 326                 err = ibv_query_port(ctx, port, &port_attr);
 327                 if (err) {
 328                         ERROR("port query failed: %s", strerror(err));
 329                         goto port_error;
 330                 }
 331                 if (port_attr.state != IBV_PORT_ACTIVE)
 332                         DEBUG("port %d is not active: \"%s\" (%d)",
 333                               port, ibv_port_state_str(port_attr.state),
 334                               port_attr.state);
 335
 336                 /* Allocate protection domain. */
 337                 pd = ibv_alloc_pd(ctx);
 338                 if (pd == NULL) {
 339                         ERROR("PD allocation failure");
 340                         err = ENOMEM;
 341                         goto port_error;
 342                 }
 343
 344                 mlx5_dev[idx].ports |= test;
 345
 346                 /* from rte_ethdev.c */
 347                 priv = rte_zmalloc("ethdev private structure",
 348                                    sizeof(*priv),
 349                                    RTE_CACHE_LINE_SIZE);
 350                 if (priv == NULL) {
 351                         ERROR("priv allocation failure");
 352                         err = ENOMEM;
 353                         goto port_error;
 354                 }
 355
 356                 priv->ctx = ctx;
 357                 priv->device_attr = device_attr;
 358                 priv->port = port;
 359                 priv->pd = pd;
 360                 priv->mtu = ETHER_MTU;
 361 #ifdef HAVE_EXP_QUERY_DEVICE
 362                 if (ibv_exp_query_device(ctx, &exp_device_attr)) {
 363                         ERROR("ibv_exp_query_device() failed");
 364                         goto port_error;
 365                 }
 366
 367                 priv->hw_csum =
 368                         ((exp_device_attr.exp_device_cap_flags &
 369                           IBV_EXP_DEVICE_RX_CSUM_TCP_UDP_PKT) &&
 370                          (exp_device_attr.exp_device_cap_flags &
 371                           IBV_EXP_DEVICE_RX_CSUM_IP_PKT));
 372                 DEBUG("checksum offloading is %ssupported",
 373                       (priv->hw_csum ? "" : "not "));
 374
 375                 priv->hw_csum_l2tun = !!(exp_device_attr.exp_device_cap_flags &
 376                                          IBV_EXP_DEVICE_VXLAN_SUPPORT);
 377                 DEBUG("L2 tunnel checksum offloads are %ssupported",
 378                       (priv->hw_csum_l2tun ? "" : "not "));
 379
 380                 priv->ind_table_max_size =
 381                         RTE_MIN((unsigned int)RSS_INDIRECTION_TABLE_SIZE,
 382                                 exp_device_attr.rx_hash_caps.max_rwq_indirection_table_size);
 383                 DEBUG("maximum RX indirection table size is %u",
 384                       priv->ind_table_max_size);
 385
 386 #else /* HAVE_EXP_QUERY_DEVICE */
 387                 priv->ind_table_max_size = RSS_INDIRECTION_TABLE_SIZE;
 388 #endif /* HAVE_EXP_QUERY_DEVICE */
 389
 390                 priv->vf = vf;
 391                 /* Allocate and register default RSS hash keys. */
 392                 priv->rss_conf = rte_calloc(__func__, hash_rxq_init_n,
 393                                             sizeof((*priv->rss_conf)[0]), 0);
 394                 if (priv->rss_conf == NULL) {
 395                         err = ENOMEM;
 396                         goto port_error;
 397                 }
 398                 err = rss_hash_rss_conf_new_key(priv,
 399                                                 rss_hash_default_key,
 400                                                 rss_hash_default_key_len,
 401                                                 ETH_RSS_PROTO_MASK);
 402                 if (err)
 403                         goto port_error;
 404                 /* Configure the first MAC address by default. */
 405                 if (priv_get_mac(priv, &mac.addr_bytes)) {
 406                         ERROR("cannot get MAC address, is mlx5_en loaded?"
 407                               " (errno: %s)", strerror(errno));
 408                         goto port_error;
 409                 }
 410                 INFO("port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
 411                      priv->port,
 412                      mac.addr_bytes[0], mac.addr_bytes[1],
 413                      mac.addr_bytes[2], mac.addr_bytes[3],
 414                      mac.addr_bytes[4], mac.addr_bytes[5]);
 415                 /* Register MAC and broadcast addresses. */
 416                 claim_zero(priv_mac_addr_add(priv, 0,
 417                                              (const uint8_t (*)[ETHER_ADDR_LEN])
 418                                              mac.addr_bytes));
 419                 claim_zero(priv_mac_addr_add(priv, (RTE_DIM(priv->mac) - 1),
 420                                              &(const uint8_t [ETHER_ADDR_LEN])
 421                                              { "\xff\xff\xff\xff\xff\xff" }));
 422 #ifndef NDEBUG
 423                 {
 424                         char ifname[IF_NAMESIZE];
 425
 426                         if (priv_get_ifname(priv, &ifname) == 0)
 427                                 DEBUG("port %u ifname is \"%s\"",
 428                                       priv->port, ifname);
 429                         else
 430                                 DEBUG("port %u ifname is unknown", priv->port);
 431                 }
 432 #endif
 433                 /* Get actual MTU if possible. */
 434                 priv_get_mtu(priv, &priv->mtu);
 435                 DEBUG("port %u MTU is %u", priv->port, priv->mtu);
 436
 437                 /* from rte_ethdev.c */
 438                 {
 439                         char name[RTE_ETH_NAME_MAX_LEN];
 440
 441                         snprintf(name, sizeof(name), "%s port %u",
 442                                  ibv_get_device_name(ibv_dev), port);
 443                         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_PCI);
 444                 }
 445                 if (eth_dev == NULL) {
 446                         ERROR("can not allocate rte ethdev");
 447                         err = ENOMEM;
 448                         goto port_error;
 449                 }
 450
 451                 eth_dev->data->dev_private = priv;
 452                 eth_dev->pci_dev = pci_dev;
 453
 454                 rte_eth_copy_pci_info(eth_dev, pci_dev);
 455
 456                 eth_dev->driver = &mlx5_driver;
 457                 eth_dev->data->rx_mbuf_alloc_failed = 0;
 458                 eth_dev->data->mtu = ETHER_MTU;
 459
 460                 priv->dev = eth_dev;
 461                 eth_dev->dev_ops = &mlx5_dev_ops;
 462                 eth_dev->data->mac_addrs = priv->mac;
 463                 TAILQ_INIT(&eth_dev->link_intr_cbs);
 464
 465                 /* Bring Ethernet device up. */
 466                 DEBUG("forcing Ethernet interface up");
 467                 priv_set_flags(priv, ~IFF_UP, IFF_UP);
 468                 continue;
 469
 470 port_error:
 471                 rte_free(priv->rss_conf);
 472                 rte_free(priv);
 473                 if (pd)
 474                         claim_zero(ibv_dealloc_pd(pd));
 475                 if (ctx)
 476                         claim_zero(ibv_close_device(ctx));
 477                 break;
 478         }
 479
 480         /*
 481          * XXX if something went wrong in the loop above, there is a resource
 482          * leak (ctx, pd, priv, dpdk ethdev) but we can do nothing about it as
 483          * long as the dpdk does not provide a way to deallocate a ethdev and a
 484          * way to enumerate the registered ethdevs to free the previous ones.
 485          */
 486
 487         /* no port found, complain */
 488         if (!mlx5_dev[idx].ports) {
 489                 err = ENODEV;
 490                 goto error;
 491         }
 492
 493 error:
 494         if (attr_ctx)
 495                 claim_zero(ibv_close_device(attr_ctx));
 496         if (list)
 497                 ibv_free_device_list(list);
 498         assert(err >= 0);
 499         return -err;
 500 }
 501
 502 static const struct rte_pci_id mlx5_pci_id_map[] = {
 503         {
 504                 .vendor_id = PCI_VENDOR_ID_MELLANOX,
 505                 .device_id = PCI_DEVICE_ID_MELLANOX_CONNECTX4,
 506                 .subsystem_vendor_id = PCI_ANY_ID,
 507                 .subsystem_device_id = PCI_ANY_ID
 508         },
 509         {
 510                 .vendor_id = PCI_VENDOR_ID_MELLANOX,
 511                 .device_id = PCI_DEVICE_ID_MELLANOX_CONNECTX4VF,
 512                 .subsystem_vendor_id = PCI_ANY_ID,
 513                 .subsystem_device_id = PCI_ANY_ID
 514         },
 515         {
 516                 .vendor_id = PCI_VENDOR_ID_MELLANOX,
 517                 .device_id = PCI_DEVICE_ID_MELLANOX_CONNECTX4LX,
 518                 .subsystem_vendor_id = PCI_ANY_ID,
 519                 .subsystem_device_id = PCI_ANY_ID
 520         },
 521         {
 522                 .vendor_id = PCI_VENDOR_ID_MELLANOX,
 523                 .device_id = PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF,
 524                 .subsystem_vendor_id = PCI_ANY_ID,
 525                 .subsystem_device_id = PCI_ANY_ID
 526         },
 527         {
 528                 .vendor_id = 0
 529         }
 530 };
 531
 532 static struct eth_driver mlx5_driver = {
 533         .pci_drv = {
 534                 .name = MLX5_DRIVER_NAME,
 535                 .id_table = mlx5_pci_id_map,
 536                 .devinit = mlx5_pci_devinit,
 537                 .drv_flags = RTE_PCI_DRV_INTR_LSC,
 538         },
 539         .dev_private_size = sizeof(struct priv)
 540 };
 541
 542 /**
 543  * Driver initialization routine.
 544  */
 545 static int
 546 rte_mlx5_pmd_init(const char *name, const char *args)
 547 {
 548         (void)name;
 549         (void)args;
 550         /*
 551          * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
 552          * huge pages. Calling ibv_fork_init() during init allows
 553          * applications to use fork() safely for purposes other than
 554          * using this PMD, which is not supported in forked processes.
 555          */
 556         setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
 557         ibv_fork_init();
 558         rte_eal_pci_register(&mlx5_driver.pci_drv);
 559         return 0;
 560 }
 561
 562 static struct rte_driver rte_mlx5_driver = {
 563         .type = PMD_PDEV,
 564         .name = MLX5_DRIVER_NAME,
 565         .init = rte_mlx5_pmd_init,
 566 };
 567
 568 PMD_REGISTER_DRIVER(rte_mlx5_driver)