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 <rte_ethdev_driver.h>
   9 #include <rte_malloc.h>
  10 #include <rte_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         link.link_autoneg = ETH_LINK_AUTONEG;
 280
 281         if (!adapter->link_up ||
 282             !(lif->state & IONIC_LIF_F_UP)) {
 283                 /* Interface is down */
 284                 link.link_status = ETH_LINK_DOWN;
 285                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 286                 link.link_speed = ETH_SPEED_NUM_NONE;
 287         } else {
 288                 /* Interface is up */
 289                 link.link_status = ETH_LINK_UP;
 290                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 291                 switch (adapter->link_speed) {
 292                 case  10000:
 293                         link.link_speed = ETH_SPEED_NUM_10G;
 294                         break;
 295                 case  25000:
 296                         link.link_speed = ETH_SPEED_NUM_25G;
 297                         break;
 298                 case  40000:
 299                         link.link_speed = ETH_SPEED_NUM_40G;
 300                         break;
 301                 case  50000:
 302                         link.link_speed = ETH_SPEED_NUM_50G;
 303                         break;
 304                 case 100000:
 305                         link.link_speed = ETH_SPEED_NUM_100G;
 306                         break;
 307                 default:
 308                         link.link_speed = ETH_SPEED_NUM_NONE;
 309                         break;
 310                 }
 311         }
 312
 313         return rte_eth_linkstatus_set(eth_dev, &link);
 314 }
 315
 316 /**
 317  * Interrupt handler triggered by NIC for handling
 318  * specific interrupt.
 319  *
 320  * @param param
 321  *  The address of parameter registered before.
 322  *
 323  * @return
 324  *  void
 325  */
 326 static void
 327 ionic_dev_interrupt_handler(void *param)
 328 {
 329         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 330
 331         IONIC_PRINT(DEBUG, "->");
 332
 333         if (adapter->lif)
 334                 ionic_notifyq_handler(adapter->lif, -1);
 335 }
 336
 337 static int
 338 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 339 {
 340         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 341         uint32_t max_frame_size;
 342         int err;
 343
 344         IONIC_PRINT_CALL();
 345
 346         /*
 347          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 348          * is done by the the API.
 349          */
 350
 351         /*
 352          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 353          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 354          */
 355         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 356
 357         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 358                 return -EINVAL;
 359
 360         err = ionic_lif_change_mtu(lif, mtu);
 361         if (err)
 362                 return err;
 363
 364         return 0;
 365 }
 366
 367 static int
 368 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 369                 struct rte_eth_dev_info *dev_info)
 370 {
 371         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 372         struct ionic_adapter *adapter = lif->adapter;
 373         struct ionic_identity *ident = &adapter->ident;
 374
 375         IONIC_PRINT_CALL();
 376
 377         dev_info->max_rx_queues = (uint16_t)
 378                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
 379         dev_info->max_tx_queues = (uint16_t)
 380                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
 381         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 382         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 383         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 384         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 385         dev_info->min_mtu = IONIC_MIN_MTU;
 386         dev_info->max_mtu = IONIC_MAX_MTU;
 387
 388         dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
 389         dev_info->reta_size = ident->lif.eth.rss_ind_tbl_sz;
 390         dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
 391
 392         dev_info->speed_capa =
 393                 ETH_LINK_SPEED_10G |
 394                 ETH_LINK_SPEED_25G |
 395                 ETH_LINK_SPEED_40G |
 396                 ETH_LINK_SPEED_50G |
 397                 ETH_LINK_SPEED_100G;
 398
 399         /*
 400          * Per-queue capabilities
 401          * RTE does not support disabling a feature on a queue if it is
 402          * enabled globally on the device. Thus the driver does not advertise
 403          * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
 404          * though the driver would be otherwise capable of disabling it on
 405          * a per-queue basis.
 406          */
 407
 408         dev_info->rx_queue_offload_capa = 0;
 409         dev_info->tx_queue_offload_capa = 0;
 410
 411         /*
 412          * Per-port capabilities
 413          * See ionic_set_features to request and check supported features
 414          */
 415
 416         dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
 417                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 418                 DEV_RX_OFFLOAD_UDP_CKSUM |
 419                 DEV_RX_OFFLOAD_TCP_CKSUM |
 420                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 421                 DEV_RX_OFFLOAD_VLAN_FILTER |
 422                 DEV_RX_OFFLOAD_VLAN_STRIP |
 423                 DEV_RX_OFFLOAD_SCATTER |
 424                 DEV_RX_OFFLOAD_RSS_HASH |
 425                 0;
 426
 427         dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
 428                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 429                 DEV_TX_OFFLOAD_UDP_CKSUM |
 430                 DEV_TX_OFFLOAD_TCP_CKSUM |
 431                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 432                 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
 433                 DEV_TX_OFFLOAD_MULTI_SEGS |
 434                 DEV_TX_OFFLOAD_TCP_TSO |
 435                 DEV_TX_OFFLOAD_VLAN_INSERT |
 436                 0;
 437
 438         dev_info->rx_desc_lim = rx_desc_lim;
 439         dev_info->tx_desc_lim = tx_desc_lim;
 440
 441         /* Driver-preferred Rx/Tx parameters */
 442         dev_info->default_rxportconf.burst_size = 32;
 443         dev_info->default_txportconf.burst_size = 32;
 444         dev_info->default_rxportconf.nb_queues = 1;
 445         dev_info->default_txportconf.nb_queues = 1;
 446         dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
 447         dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
 448
 449         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 450                 /* Packets are always dropped if no desc are available */
 451                 .rx_drop_en = 1,
 452         };
 453
 454         return 0;
 455 }
 456
 457 static int
 458 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 459                 struct rte_eth_fc_conf *fc_conf)
 460 {
 461         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 462         struct ionic_adapter *adapter = lif->adapter;
 463         struct ionic_dev *idev = &adapter->idev;
 464
 465         if (idev->port_info) {
 466                 fc_conf->autoneg = idev->port_info->config.an_enable;
 467
 468                 if (idev->port_info->config.pause_type)
 469                         fc_conf->mode = RTE_FC_FULL;
 470                 else
 471                         fc_conf->mode = RTE_FC_NONE;
 472         }
 473
 474         return 0;
 475 }
 476
 477 static int
 478 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 479                 struct rte_eth_fc_conf *fc_conf)
 480 {
 481         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 482         struct ionic_adapter *adapter = lif->adapter;
 483         struct ionic_dev *idev = &adapter->idev;
 484         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 485         uint8_t an_enable;
 486
 487         switch (fc_conf->mode) {
 488         case RTE_FC_NONE:
 489                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 490                 break;
 491         case RTE_FC_FULL:
 492                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
 493                 break;
 494         case RTE_FC_RX_PAUSE:
 495         case RTE_FC_TX_PAUSE:
 496                 return -ENOTSUP;
 497         }
 498
 499         an_enable = fc_conf->autoneg;
 500
 501         ionic_dev_cmd_port_pause(idev, pause_type);
 502         ionic_dev_cmd_port_autoneg(idev, an_enable);
 503
 504         return 0;
 505 }
 506
 507 static int
 508 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 509 {
 510         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 511
 512         ionic_lif_configure_vlan_offload(lif, mask);
 513
 514         ionic_lif_set_features(lif);
 515
 516         return 0;
 517 }
 518
 519 static int
 520 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
 521                 struct rte_eth_rss_reta_entry64 *reta_conf,
 522                 uint16_t reta_size)
 523 {
 524         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 525         struct ionic_adapter *adapter = lif->adapter;
 526         struct ionic_identity *ident = &adapter->ident;
 527         uint32_t i, j, index, num;
 528
 529         IONIC_PRINT_CALL();
 530
 531         if (!lif->rss_ind_tbl) {
 532                 IONIC_PRINT(ERR, "RSS RETA not initialized, "
 533                         "can't update the table");
 534                 return -EINVAL;
 535         }
 536
 537         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
 538                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 539                         "(%d) does not match the number hardware can support "
 540                         "(%d)",
 541                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
 542                 return -EINVAL;
 543         }
 544
 545         num = lif->adapter->ident.lif.eth.rss_ind_tbl_sz / RTE_RETA_GROUP_SIZE;
 546
 547         for (i = 0; i < num; i++) {
 548                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
 549                         if (reta_conf[i].mask & ((uint64_t)1 << j)) {
 550                                 index = (i * RTE_RETA_GROUP_SIZE) + j;
 551                                 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
 552                         }
 553                 }
 554         }
 555
 556         return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
 557 }
 558
 559 static int
 560 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
 561                 struct rte_eth_rss_reta_entry64 *reta_conf,
 562                 uint16_t reta_size)
 563 {
 564         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 565         struct ionic_adapter *adapter = lif->adapter;
 566         struct ionic_identity *ident = &adapter->ident;
 567         int i, num;
 568
 569         IONIC_PRINT_CALL();
 570
 571         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
 572                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 573                         "(%d) does not match the number hardware can support "
 574                         "(%d)",
 575                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
 576                 return -EINVAL;
 577         }
 578
 579         if (!lif->rss_ind_tbl) {
 580                 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
 581                 return -EINVAL;
 582         }
 583
 584         num = reta_size / RTE_RETA_GROUP_SIZE;
 585
 586         for (i = 0; i < num; i++) {
 587                 memcpy(reta_conf->reta,
 588                         &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
 589                         RTE_RETA_GROUP_SIZE);
 590                 reta_conf++;
 591         }
 592
 593         return 0;
 594 }
 595
 596 static int
 597 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
 598                 struct rte_eth_rss_conf *rss_conf)
 599 {
 600         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 601         uint64_t rss_hf = 0;
 602
 603         IONIC_PRINT_CALL();
 604
 605         if (!lif->rss_ind_tbl) {
 606                 IONIC_PRINT(NOTICE, "RSS not enabled");
 607                 return 0;
 608         }
 609
 610         /* Get key value (if not null, rss_key is 40-byte) */
 611         if (rss_conf->rss_key != NULL &&
 612                         rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
 613                 memcpy(rss_conf->rss_key, lif->rss_hash_key,
 614                         IONIC_RSS_HASH_KEY_SIZE);
 615
 616         if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
 617                 rss_hf |= ETH_RSS_IPV4;
 618         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
 619                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 620         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
 621                 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 622         if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
 623                 rss_hf |= ETH_RSS_IPV6;
 624         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
 625                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
 626         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
 627                 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
 628
 629         rss_conf->rss_hf = rss_hf;
 630
 631         return 0;
 632 }
 633
 634 static int
 635 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
 636                 struct rte_eth_rss_conf *rss_conf)
 637 {
 638         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 639         uint32_t rss_types = 0;
 640         uint8_t *key = NULL;
 641
 642         IONIC_PRINT_CALL();
 643
 644         if (rss_conf->rss_key)
 645                 key = rss_conf->rss_key;
 646
 647         if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
 648                 /*
 649                  * Can't disable rss through hash flags,
 650                  * if it is enabled by default during init
 651                  */
 652                 if (lif->rss_ind_tbl)
 653                         return -EINVAL;
 654         } else {
 655                 /* Can't enable rss if disabled by default during init */
 656                 if (!lif->rss_ind_tbl)
 657                         return -EINVAL;
 658
 659                 if (rss_conf->rss_hf & ETH_RSS_IPV4)
 660                         rss_types |= IONIC_RSS_TYPE_IPV4;
 661                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
 662                         rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
 663                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
 664                         rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
 665                 if (rss_conf->rss_hf & ETH_RSS_IPV6)
 666                         rss_types |= IONIC_RSS_TYPE_IPV6;
 667                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
 668                         rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
 669                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
 670                         rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
 671
 672                 ionic_lif_rss_config(lif, rss_types, key, NULL);
 673         }
 674
 675         return 0;
 676 }
 677
 678 static int
 679 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
 680                 struct rte_eth_stats *stats)
 681 {
 682         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 683
 684         ionic_lif_get_stats(lif, stats);
 685
 686         return 0;
 687 }
 688
 689 static int
 690 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
 691 {
 692         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 693
 694         IONIC_PRINT_CALL();
 695
 696         ionic_lif_reset_stats(lif);
 697
 698         return 0;
 699 }
 700
 701 static int
 702 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
 703                 struct rte_eth_xstat_name *xstats_names,
 704                 __rte_unused unsigned int size)
 705 {
 706         unsigned int i;
 707
 708         if (xstats_names != NULL) {
 709                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 710                         snprintf(xstats_names[i].name,
 711                                         sizeof(xstats_names[i].name),
 712                                         "%s", rte_ionic_xstats_strings[i].name);
 713                 }
 714         }
 715
 716         return IONIC_NB_HW_STATS;
 717 }
 718
 719 static int
 720 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
 721                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
 722                 unsigned int limit)
 723 {
 724         struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
 725         uint16_t i;
 726
 727         if (!ids) {
 728                 if (xstats_names != NULL) {
 729                         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 730                                 snprintf(xstats_names[i].name,
 731                                         sizeof(xstats_names[i].name),
 732                                         "%s", rte_ionic_xstats_strings[i].name);
 733                         }
 734                 }
 735
 736                 return IONIC_NB_HW_STATS;
 737         }
 738
 739         ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
 740                 IONIC_NB_HW_STATS);
 741
 742         for (i = 0; i < limit; i++) {
 743                 if (ids[i] >= IONIC_NB_HW_STATS) {
 744                         IONIC_PRINT(ERR, "id value isn't valid");
 745                         return -1;
 746                 }
 747
 748                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
 749         }
 750
 751         return limit;
 752 }
 753
 754 static int
 755 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
 756                 unsigned int n)
 757 {
 758         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 759         struct ionic_lif_stats hw_stats;
 760         uint16_t i;
 761
 762         if (n < IONIC_NB_HW_STATS)
 763                 return IONIC_NB_HW_STATS;
 764
 765         ionic_lif_get_hw_stats(lif, &hw_stats);
 766
 767         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 768                 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
 769                                 rte_ionic_xstats_strings[i].offset);
 770                 xstats[i].id = i;
 771         }
 772
 773         return IONIC_NB_HW_STATS;
 774 }
 775
 776 static int
 777 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
 778                 uint64_t *values, unsigned int n)
 779 {
 780         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 781         struct ionic_lif_stats hw_stats;
 782         uint64_t values_copy[IONIC_NB_HW_STATS];
 783         uint16_t i;
 784
 785         if (!ids) {
 786                 if (!ids && n < IONIC_NB_HW_STATS)
 787                         return IONIC_NB_HW_STATS;
 788
 789                 ionic_lif_get_hw_stats(lif, &hw_stats);
 790
 791                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 792                         values[i] = *(uint64_t *)(((char *)&hw_stats) +
 793                                         rte_ionic_xstats_strings[i].offset);
 794                 }
 795
 796                 return IONIC_NB_HW_STATS;
 797         }
 798
 799         ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
 800                         IONIC_NB_HW_STATS);
 801
 802         for (i = 0; i < n; i++) {
 803                 if (ids[i] >= IONIC_NB_HW_STATS) {
 804                         IONIC_PRINT(ERR, "id value isn't valid");
 805                         return -1;
 806                 }
 807
 808                 values[i] = values_copy[ids[i]];
 809         }
 810
 811         return n;
 812 }
 813
 814 static int
 815 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
 816 {
 817         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 818
 819         ionic_lif_reset_hw_stats(lif);
 820
 821         return 0;
 822 }
 823
 824 static int
 825 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 826 {
 827         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 828
 829         IONIC_PRINT_CALL();
 830
 831         ionic_lif_configure(lif);
 832
 833         ionic_lif_set_features(lif);
 834
 835         return 0;
 836 }
 837
 838 static inline uint32_t
 839 ionic_parse_link_speeds(uint16_t link_speeds)
 840 {
 841         if (link_speeds & ETH_LINK_SPEED_100G)
 842                 return 100000;
 843         else if (link_speeds & ETH_LINK_SPEED_50G)
 844                 return 50000;
 845         else if (link_speeds & ETH_LINK_SPEED_40G)
 846                 return 40000;
 847         else if (link_speeds & ETH_LINK_SPEED_25G)
 848                 return 25000;
 849         else if (link_speeds & ETH_LINK_SPEED_10G)
 850                 return 10000;
 851         else
 852                 return 0;
 853 }
 854
 855 /*
 856  * Configure device link speed and setup link.
 857  * It returns 0 on success.
 858  */
 859 static int
 860 ionic_dev_start(struct rte_eth_dev *eth_dev)
 861 {
 862         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 863         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 864         struct ionic_adapter *adapter = lif->adapter;
 865         struct ionic_dev *idev = &adapter->idev;
 866         uint32_t allowed_speeds;
 867         int err;
 868
 869         IONIC_PRINT_CALL();
 870
 871         allowed_speeds =
 872                 ETH_LINK_SPEED_FIXED |
 873                 ETH_LINK_SPEED_10G |
 874                 ETH_LINK_SPEED_25G |
 875                 ETH_LINK_SPEED_40G |
 876                 ETH_LINK_SPEED_50G |
 877                 ETH_LINK_SPEED_100G;
 878
 879         if (dev_conf->link_speeds & ~allowed_speeds) {
 880                 IONIC_PRINT(ERR, "Invalid link setting");
 881                 return -EINVAL;
 882         }
 883
 884         if (dev_conf->lpbk_mode)
 885                 IONIC_PRINT(WARNING, "Loopback mode not supported");
 886
 887         err = ionic_lif_start(lif);
 888         if (err) {
 889                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 890                 return err;
 891         }
 892
 893         if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
 894                 uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 895
 896                 if (speed)
 897                         ionic_dev_cmd_port_speed(idev, speed);
 898         }
 899
 900         ionic_dev_link_update(eth_dev, 0);
 901
 902         return 0;
 903 }
 904
 905 /*
 906  * Stop device: disable rx and tx functions to allow for reconfiguring.
 907  */
 908 static int
 909 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 910 {
 911         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 912
 913         IONIC_PRINT_CALL();
 914
 915         ionic_lif_stop(lif);
 916
 917         return 0;
 918 }
 919
 920 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
 921
 922 /*
 923  * Reset and stop device.
 924  */
 925 static int
 926 ionic_dev_close(struct rte_eth_dev *eth_dev)
 927 {
 928         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 929         struct ionic_adapter *adapter = lif->adapter;
 930
 931         IONIC_PRINT_CALL();
 932         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 933                 return 0;
 934
 935         ionic_lif_stop(lif);
 936
 937         ionic_lif_free_queues(lif);
 938
 939         IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
 940         ionic_unconfigure_intr(adapter);
 941
 942         rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
 943
 944         ionic_port_reset(adapter);
 945         ionic_reset(adapter);
 946
 947         rte_free(adapter);
 948
 949         return 0;
 950 }
 951
 952 static int
 953 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 954 {
 955         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 956         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 957         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 958         int err;
 959
 960         IONIC_PRINT_CALL();
 961
 962         eth_dev->dev_ops = &ionic_eth_dev_ops;
 963         eth_dev->rx_pkt_burst = &ionic_recv_pkts;
 964         eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
 965         eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
 966
 967         /* Multi-process not supported, primary does initialization anyway */
 968         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 969                 return 0;
 970
 971         rte_eth_copy_pci_info(eth_dev, pci_dev);
 972         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 973
 974         lif->eth_dev = eth_dev;
 975         lif->adapter = adapter;
 976         adapter->lif = lif;
 977
 978         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
 979                 adapter->max_mac_addrs);
 980
 981         /* Allocate memory for storing MAC addresses */
 982         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
 983                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
 984
 985         if (eth_dev->data->mac_addrs == NULL) {
 986                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
 987                         "store MAC addresses",
 988                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
 989                 err = -ENOMEM;
 990                 goto err;
 991         }
 992
 993         err = ionic_lif_alloc(lif);
 994         if (err) {
 995                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
 996                         err);
 997                 goto err;
 998         }
 999
1000         err = ionic_lif_init(lif);
1001         if (err) {
1002                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1003                 goto err_free_lif;
1004         }
1005
1006         /* Copy the MAC address */
1007         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1008                 &eth_dev->data->mac_addrs[0]);
1009
1010         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1011
1012         return 0;
1013
1014 err_free_lif:
1015         ionic_lif_free(lif);
1016 err:
1017         return err;
1018 }
1019
1020 static int
1021 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1022 {
1023         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1024         struct ionic_adapter *adapter = lif->adapter;
1025
1026         IONIC_PRINT_CALL();
1027
1028         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1029                 return 0;
1030
1031         adapter->lif = NULL;
1032
1033         ionic_lif_deinit(lif);
1034         ionic_lif_free(lif);
1035
1036         if (!(lif->state & IONIC_LIF_F_FW_RESET))
1037                 ionic_lif_reset(lif);
1038
1039         return 0;
1040 }
1041
1042 static int
1043 ionic_configure_intr(struct ionic_adapter *adapter)
1044 {
1045         struct rte_pci_device *pci_dev = adapter->pci_dev;
1046         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1047         int err;
1048
1049         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1050
1051         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1052                 IONIC_PRINT(ERR, "Fail to create eventfd");
1053                 return -1;
1054         }
1055
1056         if (rte_intr_dp_is_en(intr_handle))
1057                 IONIC_PRINT(DEBUG,
1058                         "Packet I/O interrupt on datapath is enabled");
1059
1060         if (!intr_handle->intr_vec) {
1061                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1062                         adapter->nintrs * sizeof(int), 0);
1063
1064                 if (!intr_handle->intr_vec) {
1065                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1066                                 adapter->nintrs);
1067                         return -ENOMEM;
1068                 }
1069         }
1070
1071         err = rte_intr_callback_register(intr_handle,
1072                 ionic_dev_interrupt_handler,
1073                 adapter);
1074
1075         if (err) {
1076                 IONIC_PRINT(ERR,
1077                         "Failure registering interrupts handler (%d)",
1078                         err);
1079                 return err;
1080         }
1081
1082         /* enable intr mapping */
1083         err = rte_intr_enable(intr_handle);
1084
1085         if (err) {
1086                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1087                 return err;
1088         }
1089
1090         return 0;
1091 }
1092
1093 static void
1094 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1095 {
1096         struct rte_pci_device *pci_dev = adapter->pci_dev;
1097         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1098
1099         rte_intr_disable(intr_handle);
1100
1101         rte_intr_callback_unregister(intr_handle,
1102                 ionic_dev_interrupt_handler,
1103                 adapter);
1104 }
1105
1106 static int
1107 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1108                 struct rte_pci_device *pci_dev)
1109 {
1110         char name[RTE_ETH_NAME_MAX_LEN];
1111         struct rte_mem_resource *resource;
1112         struct ionic_adapter *adapter;
1113         struct ionic_hw *hw;
1114         unsigned long i;
1115         int err;
1116
1117         /* Check structs (trigger error at compilation time) */
1118         ionic_struct_size_checks();
1119
1120         /* Multi-process not supported */
1121         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1122                 err = -EPERM;
1123                 goto err;
1124         }
1125
1126         IONIC_PRINT(DEBUG, "Initializing device %s",
1127                 pci_dev->device.name);
1128
1129         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1130         if (!adapter) {
1131                 IONIC_PRINT(ERR, "OOM");
1132                 err = -ENOMEM;
1133                 goto err;
1134         }
1135
1136         adapter->pci_dev = pci_dev;
1137         hw = &adapter->hw;
1138
1139         hw->device_id = pci_dev->id.device_id;
1140         hw->vendor_id = pci_dev->id.vendor_id;
1141
1142         err = ionic_init_mac(hw);
1143         if (err != 0) {
1144                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1145                 err = -EIO;
1146                 goto err_free_adapter;
1147         }
1148
1149         adapter->num_bars = 0;
1150         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1151                 resource = &pci_dev->mem_resource[i];
1152                 if (resource->phys_addr == 0 || resource->len == 0)
1153                         continue;
1154                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1155                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1156                 adapter->bars[adapter->num_bars].len = resource->len;
1157                 adapter->num_bars++;
1158         }
1159
1160         /* Discover ionic dev resources */
1161
1162         err = ionic_setup(adapter);
1163         if (err) {
1164                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1165                 goto err_free_adapter;
1166         }
1167
1168         err = ionic_identify(adapter);
1169         if (err) {
1170                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1171                         err);
1172                 goto err_free_adapter;
1173         }
1174
1175         err = ionic_init(adapter);
1176         if (err) {
1177                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1178                 goto err_free_adapter;
1179         }
1180
1181         /* Configure the ports */
1182         err = ionic_port_identify(adapter);
1183         if (err) {
1184                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1185                         err);
1186                 goto err_free_adapter;
1187         }
1188
1189         err = ionic_port_init(adapter);
1190         if (err) {
1191                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1192                 goto err_free_adapter;
1193         }
1194
1195         /* Configure LIFs */
1196         err = ionic_lif_identify(adapter);
1197         if (err) {
1198                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1199                 goto err_free_adapter;
1200         }
1201
1202         /* Allocate and init LIFs */
1203         err = ionic_lifs_size(adapter);
1204         if (err) {
1205                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1206                 goto err_free_adapter;
1207         }
1208
1209         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
1210
1211         if (adapter->ident.dev.nlifs != 1) {
1212                 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1213                         adapter->ident.dev.nlifs);
1214                 goto err_free_adapter;
1215         }
1216
1217         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1218         err = rte_eth_dev_create(&pci_dev->device,
1219                         name, sizeof(struct ionic_lif),
1220                         NULL, NULL, eth_ionic_dev_init, adapter);
1221         if (err) {
1222                 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1223                 goto err_free_adapter;
1224         }
1225
1226         err = ionic_configure_intr(adapter);
1227
1228         if (err) {
1229                 IONIC_PRINT(ERR, "Failed to configure interrupts");
1230                 goto err_free_adapter;
1231         }
1232
1233         return 0;
1234
1235 err_free_adapter:
1236         rte_free(adapter);
1237 err:
1238         return err;
1239 }
1240
1241 static int
1242 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1243 {
1244         char name[RTE_ETH_NAME_MAX_LEN];
1245         struct rte_eth_dev *eth_dev;
1246
1247         /* Adapter lookup is using the eth_dev name */
1248         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1249
1250         eth_dev = rte_eth_dev_allocated(name);
1251         if (eth_dev)
1252                 ionic_dev_close(eth_dev);
1253         else
1254                 IONIC_PRINT(DEBUG, "Cannot find device %s",
1255                         pci_dev->device.name);
1256
1257         return 0;
1258 }
1259
1260 static struct rte_pci_driver rte_ionic_pmd = {
1261         .id_table = pci_id_ionic_map,
1262         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1263         .probe = eth_ionic_pci_probe,
1264         .remove = eth_ionic_pci_remove,
1265 };
1266
1267 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1268 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1269 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1270 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);