drivers/net/ionic/ionic_ethdev.c

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
   3  */
   4
   5 #include <rte_pci.h>
   6 #include <rte_bus_pci.h>
   7 #include <rte_ethdev.h>
   8 #include <ethdev_driver.h>
   9 #include <rte_malloc.h>
  10 #include <ethdev_pci.h>
  11
  12 #include "ionic_logs.h"
  13 #include "ionic.h"
  14 #include "ionic_dev.h"
  15 #include "ionic_mac_api.h"
  16 #include "ionic_lif.h"
  17 #include "ionic_ethdev.h"
  18 #include "ionic_rxtx.h"
  19
  20 static int  eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
  21 static int  eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
  22 static int  ionic_dev_info_get(struct rte_eth_dev *eth_dev,
  23         struct rte_eth_dev_info *dev_info);
  24 static int  ionic_dev_configure(struct rte_eth_dev *dev);
  25 static int  ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  26 static int  ionic_dev_start(struct rte_eth_dev *dev);
  27 static int  ionic_dev_stop(struct rte_eth_dev *dev);
  28 static int  ionic_dev_close(struct rte_eth_dev *dev);
  29 static int  ionic_dev_set_link_up(struct rte_eth_dev *dev);
  30 static int  ionic_dev_set_link_down(struct rte_eth_dev *dev);
  31 static int  ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
  32         struct rte_eth_fc_conf *fc_conf);
  33 static int  ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
  34         struct rte_eth_fc_conf *fc_conf);
  35 static int  ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask);
  36 static int  ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
  37         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
  38 static int  ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
  39         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
  40 static int  ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
  41         struct rte_eth_rss_conf *rss_conf);
  42 static int  ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
  43         struct rte_eth_rss_conf *rss_conf);
  44 static int  ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
  45         struct rte_eth_stats *stats);
  46 static int  ionic_dev_stats_reset(struct rte_eth_dev *eth_dev);
  47 static int  ionic_dev_xstats_get(struct rte_eth_dev *dev,
  48         struct rte_eth_xstat *xstats, unsigned int n);
  49 static int  ionic_dev_xstats_get_by_id(struct rte_eth_dev *dev,
  50         const uint64_t *ids, uint64_t *values, unsigned int n);
  51 static int  ionic_dev_xstats_reset(struct rte_eth_dev *dev);
  52 static int  ionic_dev_xstats_get_names(struct rte_eth_dev *dev,
  53         struct rte_eth_xstat_name *xstats_names, unsigned int size);
  54 static int  ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
  55         struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
  56         unsigned int limit);
  57 static int  ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
  58         char *fw_version, size_t fw_size);
  59
  60 static const struct rte_pci_id pci_id_ionic_map[] = {
  61         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
  62         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
  63         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
  64         { .vendor_id = 0, /* sentinel */ },
  65 };
  66
  67 static const struct rte_eth_desc_lim rx_desc_lim = {
  68         .nb_max = IONIC_MAX_RING_DESC,
  69         .nb_min = IONIC_MIN_RING_DESC,
  70         .nb_align = 1,
  71 };
  72
  73 static const struct rte_eth_desc_lim tx_desc_lim = {
  74         .nb_max = IONIC_MAX_RING_DESC,
  75         .nb_min = IONIC_MIN_RING_DESC,
  76         .nb_align = 1,
  77         .nb_seg_max = IONIC_TX_MAX_SG_ELEMS,
  78         .nb_mtu_seg_max = IONIC_TX_MAX_SG_ELEMS,
  79 };
  80
  81 static const struct eth_dev_ops ionic_eth_dev_ops = {
  82         .dev_infos_get          = ionic_dev_info_get,
  83         .dev_configure          = ionic_dev_configure,
  84         .mtu_set                = ionic_dev_mtu_set,
  85         .dev_start              = ionic_dev_start,
  86         .dev_stop               = ionic_dev_stop,
  87         .dev_close              = ionic_dev_close,
  88         .link_update            = ionic_dev_link_update,
  89         .dev_set_link_up        = ionic_dev_set_link_up,
  90         .dev_set_link_down      = ionic_dev_set_link_down,
  91         .mac_addr_add           = ionic_dev_add_mac,
  92         .mac_addr_remove        = ionic_dev_remove_mac,
  93         .mac_addr_set           = ionic_dev_set_mac,
  94         .vlan_filter_set        = ionic_dev_vlan_filter_set,
  95         .promiscuous_enable     = ionic_dev_promiscuous_enable,
  96         .promiscuous_disable    = ionic_dev_promiscuous_disable,
  97         .allmulticast_enable    = ionic_dev_allmulticast_enable,
  98         .allmulticast_disable   = ionic_dev_allmulticast_disable,
  99         .flow_ctrl_get          = ionic_flow_ctrl_get,
 100         .flow_ctrl_set          = ionic_flow_ctrl_set,
 101         .rxq_info_get           = ionic_rxq_info_get,
 102         .txq_info_get           = ionic_txq_info_get,
 103         .rx_queue_setup         = ionic_dev_rx_queue_setup,
 104         .rx_queue_release       = ionic_dev_rx_queue_release,
 105         .rx_queue_start         = ionic_dev_rx_queue_start,
 106         .rx_queue_stop          = ionic_dev_rx_queue_stop,
 107         .tx_queue_setup         = ionic_dev_tx_queue_setup,
 108         .tx_queue_release       = ionic_dev_tx_queue_release,
 109         .tx_queue_start         = ionic_dev_tx_queue_start,
 110         .tx_queue_stop          = ionic_dev_tx_queue_stop,
 111         .vlan_offload_set       = ionic_vlan_offload_set,
 112         .reta_update            = ionic_dev_rss_reta_update,
 113         .reta_query             = ionic_dev_rss_reta_query,
 114         .rss_hash_conf_get      = ionic_dev_rss_hash_conf_get,
 115         .rss_hash_update        = ionic_dev_rss_hash_update,
 116         .stats_get              = ionic_dev_stats_get,
 117         .stats_reset            = ionic_dev_stats_reset,
 118         .xstats_get             = ionic_dev_xstats_get,
 119         .xstats_get_by_id       = ionic_dev_xstats_get_by_id,
 120         .xstats_reset           = ionic_dev_xstats_reset,
 121         .xstats_get_names       = ionic_dev_xstats_get_names,
 122         .xstats_get_names_by_id = ionic_dev_xstats_get_names_by_id,
 123         .fw_version_get         = ionic_dev_fw_version_get,
 124 };
 125
 126 struct rte_ionic_xstats_name_off {
 127         char name[RTE_ETH_XSTATS_NAME_SIZE];
 128         unsigned int offset;
 129 };
 130
 131 static const struct rte_ionic_xstats_name_off rte_ionic_xstats_strings[] = {
 132         /* RX */
 133         {"rx_ucast_bytes", offsetof(struct ionic_lif_stats,
 134                         rx_ucast_bytes)},
 135         {"rx_ucast_packets", offsetof(struct ionic_lif_stats,
 136                         rx_ucast_packets)},
 137         {"rx_mcast_bytes", offsetof(struct ionic_lif_stats,
 138                         rx_mcast_bytes)},
 139         {"rx_mcast_packets", offsetof(struct ionic_lif_stats,
 140                         rx_mcast_packets)},
 141         {"rx_bcast_bytes", offsetof(struct ionic_lif_stats,
 142                         rx_bcast_bytes)},
 143         {"rx_bcast_packets", offsetof(struct ionic_lif_stats,
 144                         rx_bcast_packets)},
 145         /* RX drops */
 146         {"rx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
 147                         rx_ucast_drop_bytes)},
 148         {"rx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
 149                         rx_ucast_drop_packets)},
 150         {"rx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
 151                         rx_mcast_drop_bytes)},
 152         {"rx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
 153                         rx_mcast_drop_packets)},
 154         {"rx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
 155                         rx_bcast_drop_bytes)},
 156         {"rx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
 157                         rx_bcast_drop_packets)},
 158         {"rx_dma_error", offsetof(struct ionic_lif_stats,
 159                         rx_dma_error)},
 160         /* TX */
 161         {"tx_ucast_bytes", offsetof(struct ionic_lif_stats,
 162                         tx_ucast_bytes)},
 163         {"tx_ucast_packets", offsetof(struct ionic_lif_stats,
 164                         tx_ucast_packets)},
 165         {"tx_mcast_bytes", offsetof(struct ionic_lif_stats,
 166                         tx_mcast_bytes)},
 167         {"tx_mcast_packets", offsetof(struct ionic_lif_stats,
 168                         tx_mcast_packets)},
 169         {"tx_bcast_bytes", offsetof(struct ionic_lif_stats,
 170                         tx_bcast_bytes)},
 171         {"tx_bcast_packets", offsetof(struct ionic_lif_stats,
 172                         tx_bcast_packets)},
 173         /* TX drops */
 174         {"tx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
 175                         tx_ucast_drop_bytes)},
 176         {"tx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
 177                         tx_ucast_drop_packets)},
 178         {"tx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
 179                         tx_mcast_drop_bytes)},
 180         {"tx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
 181                         tx_mcast_drop_packets)},
 182         {"tx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
 183                         tx_bcast_drop_bytes)},
 184         {"tx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
 185                         tx_bcast_drop_packets)},
 186         {"tx_dma_error", offsetof(struct ionic_lif_stats,
 187                         tx_dma_error)},
 188         /* Rx Queue/Ring drops */
 189         {"rx_queue_disabled", offsetof(struct ionic_lif_stats,
 190                         rx_queue_disabled)},
 191         {"rx_queue_empty", offsetof(struct ionic_lif_stats,
 192                         rx_queue_empty)},
 193         {"rx_queue_error", offsetof(struct ionic_lif_stats,
 194                         rx_queue_error)},
 195         {"rx_desc_fetch_error", offsetof(struct ionic_lif_stats,
 196                         rx_desc_fetch_error)},
 197         {"rx_desc_data_error", offsetof(struct ionic_lif_stats,
 198                         rx_desc_data_error)},
 199         /* Tx Queue/Ring drops */
 200         {"tx_queue_disabled", offsetof(struct ionic_lif_stats,
 201                         tx_queue_disabled)},
 202         {"tx_queue_error", offsetof(struct ionic_lif_stats,
 203                         tx_queue_error)},
 204         {"tx_desc_fetch_error", offsetof(struct ionic_lif_stats,
 205                         tx_desc_fetch_error)},
 206         {"tx_desc_data_error", offsetof(struct ionic_lif_stats,
 207                         tx_desc_data_error)},
 208 };
 209
 210 #define IONIC_NB_HW_STATS (sizeof(rte_ionic_xstats_strings) / \
 211                 sizeof(rte_ionic_xstats_strings[0]))
 212
 213 static int
 214 ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
 215                 char *fw_version, size_t fw_size)
 216 {
 217         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 218         struct ionic_adapter *adapter = lif->adapter;
 219
 220         if (fw_version == NULL || fw_size <= 0)
 221                 return -EINVAL;
 222
 223         snprintf(fw_version, fw_size, "%s",
 224                  adapter->fw_version);
 225         fw_version[fw_size - 1] = '\0';
 226
 227         return 0;
 228 }
 229
 230 /*
 231  * Set device link up, enable tx.
 232  */
 233 static int
 234 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
 235 {
 236         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 237         int err;
 238
 239         IONIC_PRINT_CALL();
 240
 241         err = ionic_lif_start(lif);
 242         if (err)
 243                 IONIC_PRINT(ERR, "Could not start lif to set link up");
 244
 245         ionic_dev_link_update(lif->eth_dev, 0);
 246
 247         return err;
 248 }
 249
 250 /*
 251  * Set device link down, disable tx.
 252  */
 253 static int
 254 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
 255 {
 256         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 257
 258         IONIC_PRINT_CALL();
 259
 260         ionic_lif_stop(lif);
 261
 262         ionic_dev_link_update(lif->eth_dev, 0);
 263
 264         return 0;
 265 }
 266
 267 int
 268 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
 269                 int wait_to_complete __rte_unused)
 270 {
 271         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 272         struct ionic_adapter *adapter = lif->adapter;
 273         struct rte_eth_link link;
 274
 275         IONIC_PRINT_CALL();
 276
 277         /* Initialize */
 278         memset(&link, 0, sizeof(link));
 279
 280         if (adapter->idev.port_info->config.an_enable) {
 281                 link.link_autoneg = ETH_LINK_AUTONEG;
 282         }
 283
 284         if (!adapter->link_up ||
 285             !(lif->state & IONIC_LIF_F_UP)) {
 286                 /* Interface is down */
 287                 link.link_status = ETH_LINK_DOWN;
 288                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 289                 link.link_speed = ETH_SPEED_NUM_NONE;
 290         } else {
 291                 /* Interface is up */
 292                 link.link_status = ETH_LINK_UP;
 293                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 294                 switch (adapter->link_speed) {
 295                 case  10000:
 296                         link.link_speed = ETH_SPEED_NUM_10G;
 297                         break;
 298                 case  25000:
 299                         link.link_speed = ETH_SPEED_NUM_25G;
 300                         break;
 301                 case  40000:
 302                         link.link_speed = ETH_SPEED_NUM_40G;
 303                         break;
 304                 case  50000:
 305                         link.link_speed = ETH_SPEED_NUM_50G;
 306                         break;
 307                 case 100000:
 308                         link.link_speed = ETH_SPEED_NUM_100G;
 309                         break;
 310                 default:
 311                         link.link_speed = ETH_SPEED_NUM_NONE;
 312                         break;
 313                 }
 314         }
 315
 316         return rte_eth_linkstatus_set(eth_dev, &link);
 317 }
 318
 319 /**
 320  * Interrupt handler triggered by NIC for handling
 321  * specific interrupt.
 322  *
 323  * @param param
 324  *  The address of parameter registered before.
 325  *
 326  * @return
 327  *  void
 328  */
 329 static void
 330 ionic_dev_interrupt_handler(void *param)
 331 {
 332         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 333
 334         IONIC_PRINT(DEBUG, "->");
 335
 336         if (adapter->lif)
 337                 ionic_notifyq_handler(adapter->lif, -1);
 338 }
 339
 340 static int
 341 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 342 {
 343         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 344         uint32_t max_frame_size;
 345         int err;
 346
 347         IONIC_PRINT_CALL();
 348
 349         /*
 350          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 351          * is done by the the API.
 352          */
 353
 354         /*
 355          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 356          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 357          */
 358         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 359
 360         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 361                 return -EINVAL;
 362
 363         err = ionic_lif_change_mtu(lif, mtu);
 364         if (err)
 365                 return err;
 366
 367         return 0;
 368 }
 369
 370 static int
 371 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 372                 struct rte_eth_dev_info *dev_info)
 373 {
 374         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 375         struct ionic_adapter *adapter = lif->adapter;
 376         struct ionic_identity *ident = &adapter->ident;
 377         union ionic_lif_config *cfg = &ident->lif.eth.config;
 378
 379         IONIC_PRINT_CALL();
 380
 381         dev_info->max_rx_queues = (uint16_t)
 382                 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_RXQ]);
 383         dev_info->max_tx_queues = (uint16_t)
 384                 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_TXQ]);
 385
 386         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 387         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 388         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 389         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 390         dev_info->min_mtu = IONIC_MIN_MTU;
 391         dev_info->max_mtu = IONIC_MAX_MTU;
 392
 393         dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
 394         dev_info->reta_size = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 395         dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
 396
 397         dev_info->speed_capa =
 398                 ETH_LINK_SPEED_10G |
 399                 ETH_LINK_SPEED_25G |
 400                 ETH_LINK_SPEED_40G |
 401                 ETH_LINK_SPEED_50G |
 402                 ETH_LINK_SPEED_100G;
 403
 404         /*
 405          * Per-queue capabilities
 406          * RTE does not support disabling a feature on a queue if it is
 407          * enabled globally on the device. Thus the driver does not advertise
 408          * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
 409          * though the driver would be otherwise capable of disabling it on
 410          * a per-queue basis.
 411          */
 412
 413         dev_info->rx_queue_offload_capa = 0;
 414         dev_info->tx_queue_offload_capa = 0;
 415
 416         /*
 417          * Per-port capabilities
 418          * See ionic_set_features to request and check supported features
 419          */
 420
 421         dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
 422                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 423                 DEV_RX_OFFLOAD_UDP_CKSUM |
 424                 DEV_RX_OFFLOAD_TCP_CKSUM |
 425                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 426                 DEV_RX_OFFLOAD_VLAN_FILTER |
 427                 DEV_RX_OFFLOAD_VLAN_STRIP |
 428                 DEV_RX_OFFLOAD_SCATTER |
 429                 DEV_RX_OFFLOAD_RSS_HASH |
 430                 0;
 431
 432         dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
 433                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 434                 DEV_TX_OFFLOAD_UDP_CKSUM |
 435                 DEV_TX_OFFLOAD_TCP_CKSUM |
 436                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 437                 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
 438                 DEV_TX_OFFLOAD_MULTI_SEGS |
 439                 DEV_TX_OFFLOAD_TCP_TSO |
 440                 DEV_TX_OFFLOAD_VLAN_INSERT |
 441                 0;
 442
 443         dev_info->rx_desc_lim = rx_desc_lim;
 444         dev_info->tx_desc_lim = tx_desc_lim;
 445
 446         /* Driver-preferred Rx/Tx parameters */
 447         dev_info->default_rxportconf.burst_size = 32;
 448         dev_info->default_txportconf.burst_size = 32;
 449         dev_info->default_rxportconf.nb_queues = 1;
 450         dev_info->default_txportconf.nb_queues = 1;
 451         dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
 452         dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
 453
 454         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 455                 /* Packets are always dropped if no desc are available */
 456                 .rx_drop_en = 1,
 457         };
 458
 459         return 0;
 460 }
 461
 462 static int
 463 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 464                 struct rte_eth_fc_conf *fc_conf)
 465 {
 466         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 467         struct ionic_adapter *adapter = lif->adapter;
 468         struct ionic_dev *idev = &adapter->idev;
 469
 470         if (idev->port_info) {
 471                 /* Flow control autoneg not supported */
 472                 fc_conf->autoneg = 0;
 473
 474                 if (idev->port_info->config.pause_type)
 475                         fc_conf->mode = RTE_FC_FULL;
 476                 else
 477                         fc_conf->mode = RTE_FC_NONE;
 478         }
 479
 480         return 0;
 481 }
 482
 483 static int
 484 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 485                 struct rte_eth_fc_conf *fc_conf)
 486 {
 487         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 488         struct ionic_adapter *adapter = lif->adapter;
 489         struct ionic_dev *idev = &adapter->idev;
 490         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 491         int err;
 492
 493         if (fc_conf->autoneg) {
 494                 IONIC_PRINT(WARNING, "Flow control autoneg not supported");
 495                 return -ENOTSUP;
 496         }
 497
 498         switch (fc_conf->mode) {
 499         case RTE_FC_NONE:
 500                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 501                 break;
 502         case RTE_FC_FULL:
 503                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
 504                 break;
 505         case RTE_FC_RX_PAUSE:
 506         case RTE_FC_TX_PAUSE:
 507                 return -ENOTSUP;
 508         }
 509
 510         ionic_dev_cmd_port_pause(idev, pause_type);
 511         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 512         if (err)
 513                 IONIC_PRINT(WARNING, "Failed to configure flow control");
 514
 515         return err;
 516 }
 517
 518 static int
 519 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 520 {
 521         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 522
 523         ionic_lif_configure_vlan_offload(lif, mask);
 524
 525         ionic_lif_set_features(lif);
 526
 527         return 0;
 528 }
 529
 530 static int
 531 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
 532                 struct rte_eth_rss_reta_entry64 *reta_conf,
 533                 uint16_t reta_size)
 534 {
 535         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 536         struct ionic_adapter *adapter = lif->adapter;
 537         struct ionic_identity *ident = &adapter->ident;
 538         uint32_t i, j, index, num;
 539         uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 540
 541         IONIC_PRINT_CALL();
 542
 543         if (!lif->rss_ind_tbl) {
 544                 IONIC_PRINT(ERR, "RSS RETA not initialized, "
 545                         "can't update the table");
 546                 return -EINVAL;
 547         }
 548
 549         if (reta_size != tbl_sz) {
 550                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 551                         "(%d) does not match the number hardware can support "
 552                         "(%d)",
 553                         reta_size, tbl_sz);
 554                 return -EINVAL;
 555         }
 556
 557         num = tbl_sz / RTE_RETA_GROUP_SIZE;
 558
 559         for (i = 0; i < num; i++) {
 560                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
 561                         if (reta_conf[i].mask & ((uint64_t)1 << j)) {
 562                                 index = (i * RTE_RETA_GROUP_SIZE) + j;
 563                                 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
 564                         }
 565                 }
 566         }
 567
 568         return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
 569 }
 570
 571 static int
 572 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
 573                 struct rte_eth_rss_reta_entry64 *reta_conf,
 574                 uint16_t reta_size)
 575 {
 576         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 577         struct ionic_adapter *adapter = lif->adapter;
 578         struct ionic_identity *ident = &adapter->ident;
 579         int i, num;
 580         uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 581
 582         IONIC_PRINT_CALL();
 583
 584         if (reta_size != tbl_sz) {
 585                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 586                         "(%d) does not match the number hardware can support "
 587                         "(%d)",
 588                         reta_size, tbl_sz);
 589                 return -EINVAL;
 590         }
 591
 592         if (!lif->rss_ind_tbl) {
 593                 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
 594                 return -EINVAL;
 595         }
 596
 597         num = reta_size / RTE_RETA_GROUP_SIZE;
 598
 599         for (i = 0; i < num; i++) {
 600                 memcpy(reta_conf->reta,
 601                         &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
 602                         RTE_RETA_GROUP_SIZE);
 603                 reta_conf++;
 604         }
 605
 606         return 0;
 607 }
 608
 609 static int
 610 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
 611                 struct rte_eth_rss_conf *rss_conf)
 612 {
 613         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 614         uint64_t rss_hf = 0;
 615
 616         IONIC_PRINT_CALL();
 617
 618         if (!lif->rss_ind_tbl) {
 619                 IONIC_PRINT(NOTICE, "RSS not enabled");
 620                 return 0;
 621         }
 622
 623         /* Get key value (if not null, rss_key is 40-byte) */
 624         if (rss_conf->rss_key != NULL &&
 625                         rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
 626                 memcpy(rss_conf->rss_key, lif->rss_hash_key,
 627                         IONIC_RSS_HASH_KEY_SIZE);
 628
 629         if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
 630                 rss_hf |= ETH_RSS_IPV4;
 631         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
 632                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 633         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
 634                 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 635         if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
 636                 rss_hf |= ETH_RSS_IPV6;
 637         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
 638                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
 639         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
 640                 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
 641
 642         rss_conf->rss_hf = rss_hf;
 643
 644         return 0;
 645 }
 646
 647 static int
 648 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
 649                 struct rte_eth_rss_conf *rss_conf)
 650 {
 651         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 652         uint32_t rss_types = 0;
 653         uint8_t *key = NULL;
 654
 655         IONIC_PRINT_CALL();
 656
 657         if (rss_conf->rss_key)
 658                 key = rss_conf->rss_key;
 659
 660         if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
 661                 /*
 662                  * Can't disable rss through hash flags,
 663                  * if it is enabled by default during init
 664                  */
 665                 if (lif->rss_ind_tbl)
 666                         return -EINVAL;
 667         } else {
 668                 /* Can't enable rss if disabled by default during init */
 669                 if (!lif->rss_ind_tbl)
 670                         return -EINVAL;
 671
 672                 if (rss_conf->rss_hf & ETH_RSS_IPV4)
 673                         rss_types |= IONIC_RSS_TYPE_IPV4;
 674                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
 675                         rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
 676                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
 677                         rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
 678                 if (rss_conf->rss_hf & ETH_RSS_IPV6)
 679                         rss_types |= IONIC_RSS_TYPE_IPV6;
 680                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
 681                         rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
 682                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
 683                         rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
 684
 685                 ionic_lif_rss_config(lif, rss_types, key, NULL);
 686         }
 687
 688         return 0;
 689 }
 690
 691 static int
 692 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
 693                 struct rte_eth_stats *stats)
 694 {
 695         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 696
 697         ionic_lif_get_stats(lif, stats);
 698
 699         return 0;
 700 }
 701
 702 static int
 703 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
 704 {
 705         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 706
 707         IONIC_PRINT_CALL();
 708
 709         ionic_lif_reset_stats(lif);
 710
 711         return 0;
 712 }
 713
 714 static int
 715 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
 716                 struct rte_eth_xstat_name *xstats_names,
 717                 __rte_unused unsigned int size)
 718 {
 719         unsigned int i;
 720
 721         if (xstats_names != NULL) {
 722                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 723                         snprintf(xstats_names[i].name,
 724                                         sizeof(xstats_names[i].name),
 725                                         "%s", rte_ionic_xstats_strings[i].name);
 726                 }
 727         }
 728
 729         return IONIC_NB_HW_STATS;
 730 }
 731
 732 static int
 733 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
 734                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
 735                 unsigned int limit)
 736 {
 737         struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
 738         uint16_t i;
 739
 740         if (!ids) {
 741                 if (xstats_names != NULL) {
 742                         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 743                                 snprintf(xstats_names[i].name,
 744                                         sizeof(xstats_names[i].name),
 745                                         "%s", rte_ionic_xstats_strings[i].name);
 746                         }
 747                 }
 748
 749                 return IONIC_NB_HW_STATS;
 750         }
 751
 752         ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
 753                 IONIC_NB_HW_STATS);
 754
 755         for (i = 0; i < limit; i++) {
 756                 if (ids[i] >= IONIC_NB_HW_STATS) {
 757                         IONIC_PRINT(ERR, "id value isn't valid");
 758                         return -1;
 759                 }
 760
 761                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
 762         }
 763
 764         return limit;
 765 }
 766
 767 static int
 768 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
 769                 unsigned int n)
 770 {
 771         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 772         struct ionic_lif_stats hw_stats;
 773         uint16_t i;
 774
 775         if (n < IONIC_NB_HW_STATS)
 776                 return IONIC_NB_HW_STATS;
 777
 778         ionic_lif_get_hw_stats(lif, &hw_stats);
 779
 780         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 781                 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
 782                                 rte_ionic_xstats_strings[i].offset);
 783                 xstats[i].id = i;
 784         }
 785
 786         return IONIC_NB_HW_STATS;
 787 }
 788
 789 static int
 790 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
 791                 uint64_t *values, unsigned int n)
 792 {
 793         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 794         struct ionic_lif_stats hw_stats;
 795         uint64_t values_copy[IONIC_NB_HW_STATS];
 796         uint16_t i;
 797
 798         if (!ids) {
 799                 if (!ids && n < IONIC_NB_HW_STATS)
 800                         return IONIC_NB_HW_STATS;
 801
 802                 ionic_lif_get_hw_stats(lif, &hw_stats);
 803
 804                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 805                         values[i] = *(uint64_t *)(((char *)&hw_stats) +
 806                                         rte_ionic_xstats_strings[i].offset);
 807                 }
 808
 809                 return IONIC_NB_HW_STATS;
 810         }
 811
 812         ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
 813                         IONIC_NB_HW_STATS);
 814
 815         for (i = 0; i < n; i++) {
 816                 if (ids[i] >= IONIC_NB_HW_STATS) {
 817                         IONIC_PRINT(ERR, "id value isn't valid");
 818                         return -1;
 819                 }
 820
 821                 values[i] = values_copy[ids[i]];
 822         }
 823
 824         return n;
 825 }
 826
 827 static int
 828 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
 829 {
 830         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 831
 832         ionic_lif_reset_hw_stats(lif);
 833
 834         return 0;
 835 }
 836
 837 static int
 838 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 839 {
 840         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 841
 842         IONIC_PRINT_CALL();
 843
 844         ionic_lif_configure(lif);
 845
 846         ionic_lif_set_features(lif);
 847
 848         return 0;
 849 }
 850
 851 static inline uint32_t
 852 ionic_parse_link_speeds(uint16_t link_speeds)
 853 {
 854         if (link_speeds & ETH_LINK_SPEED_100G)
 855                 return 100000;
 856         else if (link_speeds & ETH_LINK_SPEED_50G)
 857                 return 50000;
 858         else if (link_speeds & ETH_LINK_SPEED_40G)
 859                 return 40000;
 860         else if (link_speeds & ETH_LINK_SPEED_25G)
 861                 return 25000;
 862         else if (link_speeds & ETH_LINK_SPEED_10G)
 863                 return 10000;
 864         else
 865                 return 0;
 866 }
 867
 868 /*
 869  * Configure device link speed and setup link.
 870  * It returns 0 on success.
 871  */
 872 static int
 873 ionic_dev_start(struct rte_eth_dev *eth_dev)
 874 {
 875         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 876         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 877         struct ionic_adapter *adapter = lif->adapter;
 878         struct ionic_dev *idev = &adapter->idev;
 879         uint32_t speed = 0, allowed_speeds;
 880         uint8_t an_enable;
 881         int err;
 882
 883         IONIC_PRINT_CALL();
 884
 885         allowed_speeds =
 886                 ETH_LINK_SPEED_FIXED |
 887                 ETH_LINK_SPEED_10G |
 888                 ETH_LINK_SPEED_25G |
 889                 ETH_LINK_SPEED_40G |
 890                 ETH_LINK_SPEED_50G |
 891                 ETH_LINK_SPEED_100G;
 892
 893         if (dev_conf->link_speeds & ~allowed_speeds) {
 894                 IONIC_PRINT(ERR, "Invalid link setting");
 895                 return -EINVAL;
 896         }
 897
 898         if (dev_conf->lpbk_mode)
 899                 IONIC_PRINT(WARNING, "Loopback mode not supported");
 900
 901         err = ionic_lif_start(lif);
 902         if (err) {
 903                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 904                 return err;
 905         }
 906
 907         /* Configure link */
 908         an_enable = (dev_conf->link_speeds & ETH_LINK_SPEED_FIXED) == 0;
 909
 910         ionic_dev_cmd_port_autoneg(idev, an_enable);
 911         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 912         if (err)
 913                 IONIC_PRINT(WARNING, "Failed to %s autonegotiation",
 914                         an_enable ? "enable" : "disable");
 915
 916         if (!an_enable)
 917                 speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 918         if (speed) {
 919                 ionic_dev_cmd_port_speed(idev, speed);
 920                 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 921                 if (err)
 922                         IONIC_PRINT(WARNING, "Failed to set link speed %u",
 923                                 speed);
 924         }
 925
 926         ionic_dev_link_update(eth_dev, 0);
 927
 928         return 0;
 929 }
 930
 931 /*
 932  * Stop device: disable rx and tx functions to allow for reconfiguring.
 933  */
 934 static int
 935 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 936 {
 937         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 938
 939         IONIC_PRINT_CALL();
 940
 941         ionic_lif_stop(lif);
 942
 943         return 0;
 944 }
 945
 946 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
 947
 948 /*
 949  * Reset and stop device.
 950  */
 951 static int
 952 ionic_dev_close(struct rte_eth_dev *eth_dev)
 953 {
 954         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 955         struct ionic_adapter *adapter = lif->adapter;
 956
 957         IONIC_PRINT_CALL();
 958         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 959                 return 0;
 960
 961         ionic_lif_stop(lif);
 962
 963         ionic_lif_free_queues(lif);
 964
 965         IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
 966         ionic_unconfigure_intr(adapter);
 967
 968         rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
 969
 970         ionic_port_reset(adapter);
 971         ionic_reset(adapter);
 972
 973         rte_free(adapter);
 974
 975         return 0;
 976 }
 977
 978 static int
 979 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 980 {
 981         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 982         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 983         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 984         int err;
 985
 986         IONIC_PRINT_CALL();
 987
 988         eth_dev->dev_ops = &ionic_eth_dev_ops;
 989         eth_dev->rx_pkt_burst = &ionic_recv_pkts;
 990         eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
 991         eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
 992
 993         /* Multi-process not supported, primary does initialization anyway */
 994         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 995                 return 0;
 996
 997         rte_eth_copy_pci_info(eth_dev, pci_dev);
 998         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 999
1000         lif->eth_dev = eth_dev;
1001         lif->adapter = adapter;
1002         adapter->lif = lif;
1003
1004         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
1005                 adapter->max_mac_addrs);
1006
1007         /* Allocate memory for storing MAC addresses */
1008         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
1009                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
1010
1011         if (eth_dev->data->mac_addrs == NULL) {
1012                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
1013                         "store MAC addresses",
1014                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
1015                 err = -ENOMEM;
1016                 goto err;
1017         }
1018
1019         err = ionic_lif_alloc(lif);
1020         if (err) {
1021                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
1022                         err);
1023                 goto err;
1024         }
1025
1026         err = ionic_lif_init(lif);
1027         if (err) {
1028                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1029                 goto err_free_lif;
1030         }
1031
1032         /* Copy the MAC address */
1033         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1034                 &eth_dev->data->mac_addrs[0]);
1035
1036         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1037
1038         return 0;
1039
1040 err_free_lif:
1041         ionic_lif_free(lif);
1042 err:
1043         return err;
1044 }
1045
1046 static int
1047 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1048 {
1049         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1050         struct ionic_adapter *adapter = lif->adapter;
1051
1052         IONIC_PRINT_CALL();
1053
1054         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1055                 return 0;
1056
1057         adapter->lif = NULL;
1058
1059         ionic_lif_deinit(lif);
1060         ionic_lif_free(lif);
1061
1062         if (!(lif->state & IONIC_LIF_F_FW_RESET))
1063                 ionic_lif_reset(lif);
1064
1065         return 0;
1066 }
1067
1068 static int
1069 ionic_configure_intr(struct ionic_adapter *adapter)
1070 {
1071         struct rte_pci_device *pci_dev = adapter->pci_dev;
1072         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1073         int err;
1074
1075         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1076
1077         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1078                 IONIC_PRINT(ERR, "Fail to create eventfd");
1079                 return -1;
1080         }
1081
1082         if (rte_intr_dp_is_en(intr_handle))
1083                 IONIC_PRINT(DEBUG,
1084                         "Packet I/O interrupt on datapath is enabled");
1085
1086         if (!intr_handle->intr_vec) {
1087                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1088                         adapter->nintrs * sizeof(int), 0);
1089
1090                 if (!intr_handle->intr_vec) {
1091                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1092                                 adapter->nintrs);
1093                         return -ENOMEM;
1094                 }
1095         }
1096
1097         err = rte_intr_callback_register(intr_handle,
1098                 ionic_dev_interrupt_handler,
1099                 adapter);
1100
1101         if (err) {
1102                 IONIC_PRINT(ERR,
1103                         "Failure registering interrupts handler (%d)",
1104                         err);
1105                 return err;
1106         }
1107
1108         /* enable intr mapping */
1109         err = rte_intr_enable(intr_handle);
1110
1111         if (err) {
1112                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1113                 return err;
1114         }
1115
1116         return 0;
1117 }
1118
1119 static void
1120 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1121 {
1122         struct rte_pci_device *pci_dev = adapter->pci_dev;
1123         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1124
1125         rte_intr_disable(intr_handle);
1126
1127         rte_intr_callback_unregister(intr_handle,
1128                 ionic_dev_interrupt_handler,
1129                 adapter);
1130 }
1131
1132 static int
1133 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1134                 struct rte_pci_device *pci_dev)
1135 {
1136         char name[RTE_ETH_NAME_MAX_LEN];
1137         struct rte_mem_resource *resource;
1138         struct ionic_adapter *adapter;
1139         struct ionic_hw *hw;
1140         unsigned long i;
1141         int err;
1142
1143         /* Check structs (trigger error at compilation time) */
1144         ionic_struct_size_checks();
1145
1146         /* Multi-process not supported */
1147         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1148                 err = -EPERM;
1149                 goto err;
1150         }
1151
1152         IONIC_PRINT(DEBUG, "Initializing device %s",
1153                 pci_dev->device.name);
1154
1155         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1156         if (!adapter) {
1157                 IONIC_PRINT(ERR, "OOM");
1158                 err = -ENOMEM;
1159                 goto err;
1160         }
1161
1162         adapter->pci_dev = pci_dev;
1163         hw = &adapter->hw;
1164
1165         hw->device_id = pci_dev->id.device_id;
1166         hw->vendor_id = pci_dev->id.vendor_id;
1167
1168         err = ionic_init_mac(hw);
1169         if (err != 0) {
1170                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1171                 err = -EIO;
1172                 goto err_free_adapter;
1173         }
1174
1175         adapter->num_bars = 0;
1176         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1177                 resource = &pci_dev->mem_resource[i];
1178                 if (resource->phys_addr == 0 || resource->len == 0)
1179                         continue;
1180                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1181                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1182                 adapter->bars[adapter->num_bars].len = resource->len;
1183                 adapter->num_bars++;
1184         }
1185
1186         /* Discover ionic dev resources */
1187
1188         err = ionic_setup(adapter);
1189         if (err) {
1190                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1191                 goto err_free_adapter;
1192         }
1193
1194         err = ionic_identify(adapter);
1195         if (err) {
1196                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1197                         err);
1198                 goto err_free_adapter;
1199         }
1200
1201         err = ionic_init(adapter);
1202         if (err) {
1203                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1204                 goto err_free_adapter;
1205         }
1206
1207         /* Configure the ports */
1208         err = ionic_port_identify(adapter);
1209         if (err) {
1210                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1211                         err);
1212                 goto err_free_adapter;
1213         }
1214
1215         err = ionic_port_init(adapter);
1216         if (err) {
1217                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1218                 goto err_free_adapter;
1219         }
1220
1221         /* Configure LIFs */
1222         err = ionic_lif_identify(adapter);
1223         if (err) {
1224                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1225                 goto err_free_adapter;
1226         }
1227
1228         /* Allocate and init LIFs */
1229         err = ionic_lifs_size(adapter);
1230         if (err) {
1231                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1232                 goto err_free_adapter;
1233         }
1234
1235         adapter->max_mac_addrs =
1236                 rte_le_to_cpu_32(adapter->ident.lif.eth.max_ucast_filters);
1237
1238         if (rte_le_to_cpu_32(adapter->ident.dev.nlifs) != 1) {
1239                 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1240                         rte_le_to_cpu_32(adapter->ident.dev.nlifs));
1241                 goto err_free_adapter;
1242         }
1243
1244         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1245         err = rte_eth_dev_create(&pci_dev->device,
1246                         name, sizeof(struct ionic_lif),
1247                         NULL, NULL, eth_ionic_dev_init, adapter);
1248         if (err) {
1249                 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1250                 goto err_free_adapter;
1251         }
1252
1253         err = ionic_configure_intr(adapter);
1254
1255         if (err) {
1256                 IONIC_PRINT(ERR, "Failed to configure interrupts");
1257                 goto err_free_adapter;
1258         }
1259
1260         return 0;
1261
1262 err_free_adapter:
1263         rte_free(adapter);
1264 err:
1265         return err;
1266 }
1267
1268 static int
1269 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1270 {
1271         char name[RTE_ETH_NAME_MAX_LEN];
1272         struct rte_eth_dev *eth_dev;
1273
1274         /* Adapter lookup is using the eth_dev name */
1275         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1276
1277         eth_dev = rte_eth_dev_allocated(name);
1278         if (eth_dev)
1279                 ionic_dev_close(eth_dev);
1280         else
1281                 IONIC_PRINT(DEBUG, "Cannot find device %s",
1282                         pci_dev->device.name);
1283
1284         return 0;
1285 }
1286
1287 static struct rte_pci_driver rte_ionic_pmd = {
1288         .id_table = pci_id_ionic_map,
1289         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1290         .probe = eth_ionic_pci_probe,
1291         .remove = eth_ionic_pci_remove,
1292 };
1293
1294 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1295 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1296 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1297 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);