drivers/net/bnxt/bnxt_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) Broadcom Limited.
   5  *   All rights reserved.
   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 Broadcom Corporation 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 <inttypes.h>
  35 #include <stdbool.h>
  36
  37 #include <rte_dev.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_cycles.h>
  41
  42 #include "bnxt.h"
  43 #include "bnxt_cpr.h"
  44 #include "bnxt_filter.h"
  45 #include "bnxt_hwrm.h"
  46 #include "bnxt_ring.h"
  47 #include "bnxt_rxq.h"
  48 #include "bnxt_rxr.h"
  49 #include "bnxt_stats.h"
  50 #include "bnxt_txq.h"
  51 #include "bnxt_txr.h"
  52 #include "bnxt_vnic.h"
  53 #include "hsi_struct_def_dpdk.h"
  54
  55 #define DRV_MODULE_NAME         "bnxt"
  56 static const char bnxt_version[] =
  57         "Broadcom Cumulus driver " DRV_MODULE_NAME "\n";
  58
  59 static struct rte_pci_id bnxt_pci_id_map[] = {
  60 #define RTE_PCI_DEV_ID_DECL_BNXT(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
  61 #include "rte_pci_dev_ids.h"
  62         {.device_id = 0},
  63 };
  64
  65 static void bnxt_dev_close_op(struct rte_eth_dev *eth_dev)
  66 {
  67         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
  68
  69         rte_free(eth_dev->data->mac_addrs);
  70         bnxt_free_hwrm_resources(bp);
  71 }
  72
  73 /***********************/
  74
  75 /*
  76  * High level utility functions
  77  */
  78
  79 static void bnxt_free_mem(struct bnxt *bp)
  80 {
  81         bnxt_free_filter_mem(bp);
  82         bnxt_free_vnic_attributes(bp);
  83         bnxt_free_vnic_mem(bp);
  84
  85         bnxt_free_stats(bp);
  86         bnxt_free_tx_rings(bp);
  87         bnxt_free_rx_rings(bp);
  88         bnxt_free_def_cp_ring(bp);
  89 }
  90
  91 static int bnxt_alloc_mem(struct bnxt *bp)
  92 {
  93         int rc;
  94
  95         /* Default completion ring */
  96         rc = bnxt_init_def_ring_struct(bp, SOCKET_ID_ANY);
  97         if (rc)
  98                 goto alloc_mem_err;
  99
 100         rc = bnxt_alloc_rings(bp, 0, NULL, NULL,
 101                               bp->def_cp_ring, "def_cp");
 102         if (rc)
 103                 goto alloc_mem_err;
 104
 105         rc = bnxt_alloc_vnic_mem(bp);
 106         if (rc)
 107                 goto alloc_mem_err;
 108
 109         rc = bnxt_alloc_vnic_attributes(bp);
 110         if (rc)
 111                 goto alloc_mem_err;
 112
 113         rc = bnxt_alloc_filter_mem(bp);
 114         if (rc)
 115                 goto alloc_mem_err;
 116
 117         return 0;
 118
 119 alloc_mem_err:
 120         bnxt_free_mem(bp);
 121         return rc;
 122 }
 123
 124 static int bnxt_init_chip(struct bnxt *bp)
 125 {
 126         unsigned int i, rss_idx, fw_idx;
 127         int rc;
 128
 129         rc = bnxt_alloc_all_hwrm_stat_ctxs(bp);
 130         if (rc) {
 131                 RTE_LOG(ERR, PMD, "HWRM stat ctx alloc failure rc: %x\n", rc);
 132                 goto err_out;
 133         }
 134
 135         rc = bnxt_alloc_hwrm_rings(bp);
 136         if (rc) {
 137                 RTE_LOG(ERR, PMD, "HWRM ring alloc failure rc: %x\n", rc);
 138                 goto err_out;
 139         }
 140
 141         rc = bnxt_alloc_all_hwrm_ring_grps(bp);
 142         if (rc) {
 143                 RTE_LOG(ERR, PMD, "HWRM ring grp alloc failure: %x\n", rc);
 144                 goto err_out;
 145         }
 146
 147         rc = bnxt_mq_rx_configure(bp);
 148         if (rc) {
 149                 RTE_LOG(ERR, PMD, "MQ mode configure failure rc: %x\n", rc);
 150                 goto err_out;
 151         }
 152
 153         /* VNIC configuration */
 154         for (i = 0; i < bp->nr_vnics; i++) {
 155                 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
 156
 157                 rc = bnxt_hwrm_vnic_alloc(bp, vnic);
 158                 if (rc) {
 159                         RTE_LOG(ERR, PMD, "HWRM vnic alloc failure rc: %x\n",
 160                                 rc);
 161                         goto err_out;
 162                 }
 163
 164                 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic);
 165                 if (rc) {
 166                         RTE_LOG(ERR, PMD,
 167                                 "HWRM vnic ctx alloc failure rc: %x\n", rc);
 168                         goto err_out;
 169                 }
 170
 171                 rc = bnxt_hwrm_vnic_cfg(bp, vnic);
 172                 if (rc) {
 173                         RTE_LOG(ERR, PMD, "HWRM vnic cfg failure rc: %x\n", rc);
 174                         goto err_out;
 175                 }
 176
 177                 rc = bnxt_set_hwrm_vnic_filters(bp, vnic);
 178                 if (rc) {
 179                         RTE_LOG(ERR, PMD, "HWRM vnic filter failure rc: %x\n",
 180                                 rc);
 181                         goto err_out;
 182                 }
 183                 if (vnic->rss_table && vnic->hash_type) {
 184                         /*
 185                          * Fill the RSS hash & redirection table with
 186                          * ring group ids for all VNICs
 187                          */
 188                         for (rss_idx = 0, fw_idx = 0;
 189                              rss_idx < HW_HASH_INDEX_SIZE;
 190                              rss_idx++, fw_idx++) {
 191                                 if (vnic->fw_grp_ids[fw_idx] ==
 192                                     INVALID_HW_RING_ID)
 193                                         fw_idx = 0;
 194                                 vnic->rss_table[rss_idx] =
 195                                                 vnic->fw_grp_ids[fw_idx];
 196                         }
 197                         rc = bnxt_hwrm_vnic_rss_cfg(bp, vnic);
 198                         if (rc) {
 199                                 RTE_LOG(ERR, PMD,
 200                                         "HWRM vnic set RSS failure rc: %x\n",
 201                                         rc);
 202                                 goto err_out;
 203                         }
 204                 }
 205         }
 206         rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, &bp->vnic_info[0]);
 207         if (rc) {
 208                 RTE_LOG(ERR, PMD,
 209                         "HWRM cfa l2 rx mask failure rc: %x\n", rc);
 210                 goto err_out;
 211         }
 212
 213         return 0;
 214
 215 err_out:
 216         bnxt_free_all_hwrm_resources(bp);
 217
 218         return rc;
 219 }
 220
 221 static int bnxt_shutdown_nic(struct bnxt *bp)
 222 {
 223         bnxt_free_all_hwrm_resources(bp);
 224         bnxt_free_all_filters(bp);
 225         bnxt_free_all_vnics(bp);
 226         return 0;
 227 }
 228
 229 static int bnxt_init_nic(struct bnxt *bp)
 230 {
 231         int rc;
 232
 233         bnxt_init_ring_grps(bp);
 234         bnxt_init_vnics(bp);
 235         bnxt_init_filters(bp);
 236
 237         rc = bnxt_init_chip(bp);
 238         if (rc)
 239                 return rc;
 240
 241         return 0;
 242 }
 243
 244 /*
 245  * Device configuration and status function
 246  */
 247
 248 static void bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
 249                                   struct rte_eth_dev_info *dev_info)
 250 {
 251         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 252         uint16_t max_vnics, i, j, vpool, vrxq;
 253
 254         /* MAC Specifics */
 255         dev_info->max_mac_addrs = MAX_NUM_MAC_ADDR;
 256         dev_info->max_hash_mac_addrs = 0;
 257
 258         /* PF/VF specifics */
 259         if (BNXT_PF(bp)) {
 260                 dev_info->max_rx_queues = bp->pf.max_rx_rings;
 261                 dev_info->max_tx_queues = bp->pf.max_tx_rings;
 262                 dev_info->max_vfs = bp->pf.active_vfs;
 263                 dev_info->reta_size = bp->pf.max_rsscos_ctx;
 264                 max_vnics = bp->pf.max_vnics;
 265         } else {
 266                 dev_info->max_rx_queues = bp->vf.max_rx_rings;
 267                 dev_info->max_tx_queues = bp->vf.max_tx_rings;
 268                 dev_info->reta_size = bp->vf.max_rsscos_ctx;
 269                 max_vnics = bp->vf.max_vnics;
 270         }
 271
 272         /* Fast path specifics */
 273         dev_info->min_rx_bufsize = 1;
 274         dev_info->max_rx_pktlen = BNXT_MAX_MTU + ETHER_HDR_LEN + ETHER_CRC_LEN
 275                                   + VLAN_TAG_SIZE;
 276         dev_info->rx_offload_capa = 0;
 277         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM |
 278                                         DEV_TX_OFFLOAD_TCP_CKSUM |
 279                                         DEV_TX_OFFLOAD_UDP_CKSUM |
 280                                         DEV_TX_OFFLOAD_TCP_TSO;
 281
 282         /* *INDENT-OFF* */
 283         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 284                 .rx_thresh = {
 285                         .pthresh = 8,
 286                         .hthresh = 8,
 287                         .wthresh = 0,
 288                 },
 289                 .rx_free_thresh = 32,
 290                 .rx_drop_en = 0,
 291         };
 292
 293         dev_info->default_txconf = (struct rte_eth_txconf) {
 294                 .tx_thresh = {
 295                         .pthresh = 32,
 296                         .hthresh = 0,
 297                         .wthresh = 0,
 298                 },
 299                 .tx_free_thresh = 32,
 300                 .tx_rs_thresh = 32,
 301                 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
 302                              ETH_TXQ_FLAGS_NOOFFLOADS,
 303         };
 304         /* *INDENT-ON* */
 305
 306         /*
 307          * TODO: default_rxconf, default_txconf, rx_desc_lim, and tx_desc_lim
 308          *       need further investigation.
 309          */
 310
 311         /* VMDq resources */
 312         vpool = 64; /* ETH_64_POOLS */
 313         vrxq = 128; /* ETH_VMDQ_DCB_NUM_QUEUES */
 314         for (i = 0; i < 4; vpool >>= 1, i++) {
 315                 if (max_vnics > vpool) {
 316                         for (j = 0; j < 5; vrxq >>= 1, j++) {
 317                                 if (dev_info->max_rx_queues > vrxq) {
 318                                         if (vpool > vrxq)
 319                                                 vpool = vrxq;
 320                                         goto found;
 321                                 }
 322                         }
 323                         /* Not enough resources to support VMDq */
 324                         break;
 325                 }
 326         }
 327         /* Not enough resources to support VMDq */
 328         vpool = 0;
 329         vrxq = 0;
 330 found:
 331         dev_info->max_vmdq_pools = vpool;
 332         dev_info->vmdq_queue_num = vrxq;
 333
 334         dev_info->vmdq_pool_base = 0;
 335         dev_info->vmdq_queue_base = 0;
 336 }
 337
 338 /* Configure the device based on the configuration provided */
 339 static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev)
 340 {
 341         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 342         int rc;
 343
 344         bp->rx_queues = (void *)eth_dev->data->rx_queues;
 345         bp->tx_queues = (void *)eth_dev->data->tx_queues;
 346
 347         /* Inherit new configurations */
 348         bp->rx_nr_rings = eth_dev->data->nb_rx_queues;
 349         bp->tx_nr_rings = eth_dev->data->nb_tx_queues;
 350         bp->rx_cp_nr_rings = bp->rx_nr_rings;
 351         bp->tx_cp_nr_rings = bp->tx_nr_rings;
 352
 353         if (eth_dev->data->dev_conf.rxmode.jumbo_frame)
 354                 eth_dev->data->mtu =
 355                                 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
 356                                 ETHER_HDR_LEN - ETHER_CRC_LEN - VLAN_TAG_SIZE;
 357         rc = bnxt_set_hwrm_link_config(bp, true);
 358         return rc;
 359 }
 360
 361 static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
 362 {
 363         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 364         int rc;
 365
 366         rc = bnxt_hwrm_func_reset(bp);
 367         if (rc) {
 368                 RTE_LOG(ERR, PMD, "hwrm chip reset failure rc: %x\n", rc);
 369                 rc = -1;
 370                 goto error;
 371         }
 372
 373         rc = bnxt_alloc_mem(bp);
 374         if (rc)
 375                 goto error;
 376
 377         rc = bnxt_init_nic(bp);
 378         if (rc)
 379                 goto error;
 380
 381         return 0;
 382
 383 error:
 384         bnxt_shutdown_nic(bp);
 385         bnxt_free_tx_mbufs(bp);
 386         bnxt_free_rx_mbufs(bp);
 387         bnxt_free_mem(bp);
 388         return rc;
 389 }
 390
 391 /* Unload the driver, release resources */
 392 static void bnxt_dev_stop_op(struct rte_eth_dev *eth_dev)
 393 {
 394         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 395
 396         if (bp->eth_dev->data->dev_started) {
 397                 /* TBD: STOP HW queues DMA */
 398                 eth_dev->data->dev_link.link_status = 0;
 399         }
 400         bnxt_shutdown_nic(bp);
 401 }
 402
 403 static int bnxt_link_update_op(struct rte_eth_dev *eth_dev,
 404                                int wait_to_complete)
 405 {
 406         int rc = 0;
 407         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 408         struct rte_eth_link new;
 409         unsigned int cnt = BNXT_LINK_WAIT_CNT;
 410
 411         memset(&new, 0, sizeof(new));
 412         do {
 413                 /* Retrieve link info from hardware */
 414                 rc = bnxt_get_hwrm_link_config(bp, &new);
 415                 if (rc) {
 416                         new.link_speed = ETH_LINK_SPEED_100M;
 417                         new.link_duplex = ETH_LINK_FULL_DUPLEX;
 418                         RTE_LOG(ERR, PMD,
 419                                 "Failed to retrieve link rc = 0x%x!", rc);
 420                         goto out;
 421                 }
 422                 if (!wait_to_complete)
 423                         break;
 424
 425                 rte_delay_ms(BNXT_LINK_WAIT_INTERVAL);
 426
 427         } while (!new.link_status && cnt--);
 428
 429         /* Timed out or success */
 430         if (new.link_status) {
 431                 /* Update only if success */
 432                 eth_dev->data->dev_link.link_duplex = new.link_duplex;
 433                 eth_dev->data->dev_link.link_speed = new.link_speed;
 434         }
 435         eth_dev->data->dev_link.link_status = new.link_status;
 436 out:
 437         return rc;
 438 }
 439
 440 static void bnxt_promiscuous_enable_op(struct rte_eth_dev *eth_dev)
 441 {
 442         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 443         struct bnxt_vnic_info *vnic;
 444
 445         if (bp->vnic_info == NULL)
 446                 return;
 447
 448         vnic = &bp->vnic_info[0];
 449
 450         vnic->flags |= BNXT_VNIC_INFO_PROMISC;
 451         bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic);
 452 }
 453
 454 static void bnxt_promiscuous_disable_op(struct rte_eth_dev *eth_dev)
 455 {
 456         struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
 457         struct bnxt_vnic_info *vnic;
 458
 459         if (bp->vnic_info == NULL)
 460                 return;
 461
 462         vnic = &bp->vnic_info[0];
 463
 464         vnic->flags &= ~BNXT_VNIC_INFO_PROMISC;
 465         bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic);
 466 }
 467
 468 /*
 469  * Initialization
 470  */
 471
 472 static struct eth_dev_ops bnxt_dev_ops = {
 473         .dev_infos_get = bnxt_dev_info_get_op,
 474         .dev_close = bnxt_dev_close_op,
 475         .dev_configure = bnxt_dev_configure_op,
 476         .dev_start = bnxt_dev_start_op,
 477         .dev_stop = bnxt_dev_stop_op,
 478         .stats_get = bnxt_stats_get_op,
 479         .stats_reset = bnxt_stats_reset_op,
 480         .rx_queue_setup = bnxt_rx_queue_setup_op,
 481         .rx_queue_release = bnxt_rx_queue_release_op,
 482         .tx_queue_setup = bnxt_tx_queue_setup_op,
 483         .tx_queue_release = bnxt_tx_queue_release_op,
 484         .link_update = bnxt_link_update_op,
 485         .promiscuous_enable = bnxt_promiscuous_enable_op,
 486         .promiscuous_disable = bnxt_promiscuous_disable_op,
 487 };
 488
 489 static bool bnxt_vf_pciid(uint16_t id)
 490 {
 491         if (id == BROADCOM_DEV_ID_57304_VF ||
 492             id == BROADCOM_DEV_ID_57406_VF)
 493                 return true;
 494         return false;
 495 }
 496
 497 static int bnxt_init_board(struct rte_eth_dev *eth_dev)
 498 {
 499         int rc;
 500         struct bnxt *bp = eth_dev->data->dev_private;
 501
 502         /* enable device (incl. PCI PM wakeup), and bus-mastering */
 503         if (!eth_dev->pci_dev->mem_resource[0].addr) {
 504                 RTE_LOG(ERR, PMD,
 505                         "Cannot find PCI device base address, aborting\n");
 506                 rc = -ENODEV;
 507                 goto init_err_disable;
 508         }
 509
 510         bp->eth_dev = eth_dev;
 511         bp->pdev = eth_dev->pci_dev;
 512
 513         bp->bar0 = (void *)eth_dev->pci_dev->mem_resource[0].addr;
 514         if (!bp->bar0) {
 515                 RTE_LOG(ERR, PMD, "Cannot map device registers, aborting\n");
 516                 rc = -ENOMEM;
 517                 goto init_err_release;
 518         }
 519         return 0;
 520
 521 init_err_release:
 522         if (bp->bar0)
 523                 bp->bar0 = NULL;
 524
 525 init_err_disable:
 526
 527         return rc;
 528 }
 529
 530 static int
 531 bnxt_dev_init(struct rte_eth_dev *eth_dev)
 532 {
 533         static int version_printed;
 534         struct bnxt *bp;
 535         int rc;
 536
 537         if (version_printed++ == 0)
 538                 RTE_LOG(INFO, PMD, "%s", bnxt_version);
 539
 540         if (eth_dev->pci_dev->addr.function >= 2 &&
 541                         eth_dev->pci_dev->addr.function < 4) {
 542                 RTE_LOG(ERR, PMD, "Function not enabled %x:\n",
 543                         eth_dev->pci_dev->addr.function);
 544                 rc = -ENOMEM;
 545                 goto error;
 546         }
 547
 548         rte_eth_copy_pci_info(eth_dev, eth_dev->pci_dev);
 549         bp = eth_dev->data->dev_private;
 550
 551         if (bnxt_vf_pciid(eth_dev->pci_dev->id.device_id))
 552                 bp->flags |= BNXT_FLAG_VF;
 553
 554         rc = bnxt_init_board(eth_dev);
 555         if (rc) {
 556                 RTE_LOG(ERR, PMD,
 557                         "Board initialization failed rc: %x\n", rc);
 558                 goto error;
 559         }
 560         eth_dev->dev_ops = &bnxt_dev_ops;
 561         eth_dev->rx_pkt_burst = &bnxt_recv_pkts;
 562         eth_dev->tx_pkt_burst = &bnxt_xmit_pkts;
 563
 564         rc = bnxt_alloc_hwrm_resources(bp);
 565         if (rc) {
 566                 RTE_LOG(ERR, PMD,
 567                         "hwrm resource allocation failure rc: %x\n", rc);
 568                 goto error_free;
 569         }
 570         rc = bnxt_hwrm_ver_get(bp);
 571         if (rc)
 572                 goto error_free;
 573         bnxt_hwrm_queue_qportcfg(bp);
 574
 575         /* Get the MAX capabilities for this function */
 576         rc = bnxt_hwrm_func_qcaps(bp);
 577         if (rc) {
 578                 RTE_LOG(ERR, PMD, "hwrm query capability failure rc: %x\n", rc);
 579                 goto error_free;
 580         }
 581         eth_dev->data->mac_addrs = rte_zmalloc("bnxt_mac_addr_tbl",
 582                                         ETHER_ADDR_LEN * MAX_NUM_MAC_ADDR, 0);
 583         if (eth_dev->data->mac_addrs == NULL) {
 584                 RTE_LOG(ERR, PMD,
 585                         "Failed to alloc %u bytes needed to store MAC addr tbl",
 586                         ETHER_ADDR_LEN * MAX_NUM_MAC_ADDR);
 587                 rc = -ENOMEM;
 588                 goto error_free;
 589         }
 590         /* Copy the permanent MAC from the qcap response address now. */
 591         if (BNXT_PF(bp))
 592                 memcpy(bp->mac_addr, bp->pf.mac_addr, sizeof(bp->mac_addr));
 593         else
 594                 memcpy(bp->mac_addr, bp->vf.mac_addr, sizeof(bp->mac_addr));
 595         memcpy(&eth_dev->data->mac_addrs[0], bp->mac_addr, ETHER_ADDR_LEN);
 596         bp->grp_info = rte_zmalloc("bnxt_grp_info",
 597                                 sizeof(*bp->grp_info) * bp->max_ring_grps, 0);
 598         if (!bp->grp_info) {
 599                 RTE_LOG(ERR, PMD,
 600                         "Failed to alloc %zu bytes needed to store group info table\n",
 601                         sizeof(*bp->grp_info) * bp->max_ring_grps);
 602                 rc = -ENOMEM;
 603                 goto error_free;
 604         }
 605
 606         rc = bnxt_hwrm_func_driver_register(bp, 0,
 607                                             bp->pf.vf_req_fwd);
 608         if (rc) {
 609                 RTE_LOG(ERR, PMD,
 610                         "Failed to register driver");
 611                 rc = -EBUSY;
 612                 goto error_free;
 613         }
 614
 615         RTE_LOG(INFO, PMD,
 616                 DRV_MODULE_NAME " found at mem %" PRIx64 ", node addr %pM\n",
 617                 eth_dev->pci_dev->mem_resource[0].phys_addr,
 618                 eth_dev->pci_dev->mem_resource[0].addr);
 619
 620         return 0;
 621
 622 error_free:
 623         eth_dev->driver->eth_dev_uninit(eth_dev);
 624 error:
 625         return rc;
 626 }
 627
 628 static int
 629 bnxt_dev_uninit(struct rte_eth_dev *eth_dev) {
 630         struct bnxt *bp = eth_dev->data->dev_private;
 631         int rc;
 632
 633         if (eth_dev->data->mac_addrs)
 634                 rte_free(eth_dev->data->mac_addrs);
 635         if (bp->grp_info)
 636                 rte_free(bp->grp_info);
 637         rc = bnxt_hwrm_func_driver_unregister(bp, 0);
 638         bnxt_free_hwrm_resources(bp);
 639         return rc;
 640 }
 641
 642 static struct eth_driver bnxt_rte_pmd = {
 643         .pci_drv = {
 644                     .name = "rte_" DRV_MODULE_NAME "_pmd",
 645                     .id_table = bnxt_pci_id_map,
 646                     .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 647                     },
 648         .eth_dev_init = bnxt_dev_init,
 649         .eth_dev_uninit = bnxt_dev_uninit,
 650         .dev_private_size = sizeof(struct bnxt),
 651 };
 652
 653 static int bnxt_rte_pmd_init(const char *name, const char *params __rte_unused)
 654 {
 655         RTE_LOG(INFO, PMD, "bnxt_rte_pmd_init() called for %s\n", name);
 656         rte_eth_driver_register(&bnxt_rte_pmd);
 657         return 0;
 658 }
 659
 660 static struct rte_driver bnxt_pmd_drv = {
 661         .name = "eth_bnxt",
 662         .type = PMD_PDEV,
 663         .init = bnxt_rte_pmd_init,
 664 };
 665
 666 PMD_REGISTER_DRIVER(bnxt_pmd_drv);