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
 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
 378         IONIC_PRINT_CALL();
 379
 380         dev_info->max_rx_queues = (uint16_t)
 381                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
 382         dev_info->max_tx_queues = (uint16_t)
 383                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
 384         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 385         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 386         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 387         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 388         dev_info->min_mtu = IONIC_MIN_MTU;
 389         dev_info->max_mtu = IONIC_MAX_MTU;
 390
 391         dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
 392         dev_info->reta_size = ident->lif.eth.rss_ind_tbl_sz;
 393         dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
 394
 395         dev_info->speed_capa =
 396                 ETH_LINK_SPEED_10G |
 397                 ETH_LINK_SPEED_25G |
 398                 ETH_LINK_SPEED_40G |
 399                 ETH_LINK_SPEED_50G |
 400                 ETH_LINK_SPEED_100G;
 401
 402         /*
 403          * Per-queue capabilities
 404          * RTE does not support disabling a feature on a queue if it is
 405          * enabled globally on the device. Thus the driver does not advertise
 406          * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
 407          * though the driver would be otherwise capable of disabling it on
 408          * a per-queue basis.
 409          */
 410
 411         dev_info->rx_queue_offload_capa = 0;
 412         dev_info->tx_queue_offload_capa = 0;
 413
 414         /*
 415          * Per-port capabilities
 416          * See ionic_set_features to request and check supported features
 417          */
 418
 419         dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
 420                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 421                 DEV_RX_OFFLOAD_UDP_CKSUM |
 422                 DEV_RX_OFFLOAD_TCP_CKSUM |
 423                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 424                 DEV_RX_OFFLOAD_VLAN_FILTER |
 425                 DEV_RX_OFFLOAD_VLAN_STRIP |
 426                 DEV_RX_OFFLOAD_SCATTER |
 427                 DEV_RX_OFFLOAD_RSS_HASH |
 428                 0;
 429
 430         dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
 431                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 432                 DEV_TX_OFFLOAD_UDP_CKSUM |
 433                 DEV_TX_OFFLOAD_TCP_CKSUM |
 434                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 435                 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
 436                 DEV_TX_OFFLOAD_MULTI_SEGS |
 437                 DEV_TX_OFFLOAD_TCP_TSO |
 438                 DEV_TX_OFFLOAD_VLAN_INSERT |
 439                 0;
 440
 441         dev_info->rx_desc_lim = rx_desc_lim;
 442         dev_info->tx_desc_lim = tx_desc_lim;
 443
 444         /* Driver-preferred Rx/Tx parameters */
 445         dev_info->default_rxportconf.burst_size = 32;
 446         dev_info->default_txportconf.burst_size = 32;
 447         dev_info->default_rxportconf.nb_queues = 1;
 448         dev_info->default_txportconf.nb_queues = 1;
 449         dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
 450         dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
 451
 452         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 453                 /* Packets are always dropped if no desc are available */
 454                 .rx_drop_en = 1,
 455         };
 456
 457         return 0;
 458 }
 459
 460 static int
 461 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 462                 struct rte_eth_fc_conf *fc_conf)
 463 {
 464         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 465         struct ionic_adapter *adapter = lif->adapter;
 466         struct ionic_dev *idev = &adapter->idev;
 467
 468         if (idev->port_info) {
 469                 /* Flow control autoneg not supported */
 470                 fc_conf->autoneg = 0;
 471
 472                 if (idev->port_info->config.pause_type)
 473                         fc_conf->mode = RTE_FC_FULL;
 474                 else
 475                         fc_conf->mode = RTE_FC_NONE;
 476         }
 477
 478         return 0;
 479 }
 480
 481 static int
 482 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 483                 struct rte_eth_fc_conf *fc_conf)
 484 {
 485         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 486         struct ionic_adapter *adapter = lif->adapter;
 487         struct ionic_dev *idev = &adapter->idev;
 488         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 489         int err;
 490
 491         if (fc_conf->autoneg) {
 492                 IONIC_PRINT(WARNING, "Flow control autoneg not supported");
 493                 return -ENOTSUP;
 494         }
 495
 496         switch (fc_conf->mode) {
 497         case RTE_FC_NONE:
 498                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 499                 break;
 500         case RTE_FC_FULL:
 501                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
 502                 break;
 503         case RTE_FC_RX_PAUSE:
 504         case RTE_FC_TX_PAUSE:
 505                 return -ENOTSUP;
 506         }
 507
 508         ionic_dev_cmd_port_pause(idev, pause_type);
 509         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 510         if (err)
 511                 IONIC_PRINT(WARNING, "Failed to configure flow control");
 512
 513         return err;
 514 }
 515
 516 static int
 517 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 518 {
 519         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 520
 521         ionic_lif_configure_vlan_offload(lif, mask);
 522
 523         ionic_lif_set_features(lif);
 524
 525         return 0;
 526 }
 527
 528 static int
 529 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
 530                 struct rte_eth_rss_reta_entry64 *reta_conf,
 531                 uint16_t reta_size)
 532 {
 533         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 534         struct ionic_adapter *adapter = lif->adapter;
 535         struct ionic_identity *ident = &adapter->ident;
 536         uint32_t i, j, index, num;
 537
 538         IONIC_PRINT_CALL();
 539
 540         if (!lif->rss_ind_tbl) {
 541                 IONIC_PRINT(ERR, "RSS RETA not initialized, "
 542                         "can't update the table");
 543                 return -EINVAL;
 544         }
 545
 546         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
 547                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 548                         "(%d) does not match the number hardware can support "
 549                         "(%d)",
 550                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
 551                 return -EINVAL;
 552         }
 553
 554         num = lif->adapter->ident.lif.eth.rss_ind_tbl_sz / RTE_RETA_GROUP_SIZE;
 555
 556         for (i = 0; i < num; i++) {
 557                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
 558                         if (reta_conf[i].mask & ((uint64_t)1 << j)) {
 559                                 index = (i * RTE_RETA_GROUP_SIZE) + j;
 560                                 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
 561                         }
 562                 }
 563         }
 564
 565         return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
 566 }
 567
 568 static int
 569 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
 570                 struct rte_eth_rss_reta_entry64 *reta_conf,
 571                 uint16_t reta_size)
 572 {
 573         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 574         struct ionic_adapter *adapter = lif->adapter;
 575         struct ionic_identity *ident = &adapter->ident;
 576         int i, num;
 577
 578         IONIC_PRINT_CALL();
 579
 580         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
 581                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 582                         "(%d) does not match the number hardware can support "
 583                         "(%d)",
 584                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
 585                 return -EINVAL;
 586         }
 587
 588         if (!lif->rss_ind_tbl) {
 589                 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
 590                 return -EINVAL;
 591         }
 592
 593         num = reta_size / RTE_RETA_GROUP_SIZE;
 594
 595         for (i = 0; i < num; i++) {
 596                 memcpy(reta_conf->reta,
 597                         &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
 598                         RTE_RETA_GROUP_SIZE);
 599                 reta_conf++;
 600         }
 601
 602         return 0;
 603 }
 604
 605 static int
 606 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
 607                 struct rte_eth_rss_conf *rss_conf)
 608 {
 609         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 610         uint64_t rss_hf = 0;
 611
 612         IONIC_PRINT_CALL();
 613
 614         if (!lif->rss_ind_tbl) {
 615                 IONIC_PRINT(NOTICE, "RSS not enabled");
 616                 return 0;
 617         }
 618
 619         /* Get key value (if not null, rss_key is 40-byte) */
 620         if (rss_conf->rss_key != NULL &&
 621                         rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
 622                 memcpy(rss_conf->rss_key, lif->rss_hash_key,
 623                         IONIC_RSS_HASH_KEY_SIZE);
 624
 625         if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
 626                 rss_hf |= ETH_RSS_IPV4;
 627         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
 628                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 629         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
 630                 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 631         if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
 632                 rss_hf |= ETH_RSS_IPV6;
 633         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
 634                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
 635         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
 636                 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
 637
 638         rss_conf->rss_hf = rss_hf;
 639
 640         return 0;
 641 }
 642
 643 static int
 644 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
 645                 struct rte_eth_rss_conf *rss_conf)
 646 {
 647         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 648         uint32_t rss_types = 0;
 649         uint8_t *key = NULL;
 650
 651         IONIC_PRINT_CALL();
 652
 653         if (rss_conf->rss_key)
 654                 key = rss_conf->rss_key;
 655
 656         if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
 657                 /*
 658                  * Can't disable rss through hash flags,
 659                  * if it is enabled by default during init
 660                  */
 661                 if (lif->rss_ind_tbl)
 662                         return -EINVAL;
 663         } else {
 664                 /* Can't enable rss if disabled by default during init */
 665                 if (!lif->rss_ind_tbl)
 666                         return -EINVAL;
 667
 668                 if (rss_conf->rss_hf & ETH_RSS_IPV4)
 669                         rss_types |= IONIC_RSS_TYPE_IPV4;
 670                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
 671                         rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
 672                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
 673                         rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
 674                 if (rss_conf->rss_hf & ETH_RSS_IPV6)
 675                         rss_types |= IONIC_RSS_TYPE_IPV6;
 676                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
 677                         rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
 678                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
 679                         rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
 680
 681                 ionic_lif_rss_config(lif, rss_types, key, NULL);
 682         }
 683
 684         return 0;
 685 }
 686
 687 static int
 688 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
 689                 struct rte_eth_stats *stats)
 690 {
 691         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 692
 693         ionic_lif_get_stats(lif, stats);
 694
 695         return 0;
 696 }
 697
 698 static int
 699 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
 700 {
 701         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 702
 703         IONIC_PRINT_CALL();
 704
 705         ionic_lif_reset_stats(lif);
 706
 707         return 0;
 708 }
 709
 710 static int
 711 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
 712                 struct rte_eth_xstat_name *xstats_names,
 713                 __rte_unused unsigned int size)
 714 {
 715         unsigned int i;
 716
 717         if (xstats_names != NULL) {
 718                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 719                         snprintf(xstats_names[i].name,
 720                                         sizeof(xstats_names[i].name),
 721                                         "%s", rte_ionic_xstats_strings[i].name);
 722                 }
 723         }
 724
 725         return IONIC_NB_HW_STATS;
 726 }
 727
 728 static int
 729 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
 730                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
 731                 unsigned int limit)
 732 {
 733         struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
 734         uint16_t i;
 735
 736         if (!ids) {
 737                 if (xstats_names != NULL) {
 738                         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 739                                 snprintf(xstats_names[i].name,
 740                                         sizeof(xstats_names[i].name),
 741                                         "%s", rte_ionic_xstats_strings[i].name);
 742                         }
 743                 }
 744
 745                 return IONIC_NB_HW_STATS;
 746         }
 747
 748         ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
 749                 IONIC_NB_HW_STATS);
 750
 751         for (i = 0; i < limit; i++) {
 752                 if (ids[i] >= IONIC_NB_HW_STATS) {
 753                         IONIC_PRINT(ERR, "id value isn't valid");
 754                         return -1;
 755                 }
 756
 757                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
 758         }
 759
 760         return limit;
 761 }
 762
 763 static int
 764 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
 765                 unsigned int n)
 766 {
 767         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 768         struct ionic_lif_stats hw_stats;
 769         uint16_t i;
 770
 771         if (n < IONIC_NB_HW_STATS)
 772                 return IONIC_NB_HW_STATS;
 773
 774         ionic_lif_get_hw_stats(lif, &hw_stats);
 775
 776         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 777                 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
 778                                 rte_ionic_xstats_strings[i].offset);
 779                 xstats[i].id = i;
 780         }
 781
 782         return IONIC_NB_HW_STATS;
 783 }
 784
 785 static int
 786 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
 787                 uint64_t *values, unsigned int n)
 788 {
 789         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 790         struct ionic_lif_stats hw_stats;
 791         uint64_t values_copy[IONIC_NB_HW_STATS];
 792         uint16_t i;
 793
 794         if (!ids) {
 795                 if (!ids && n < IONIC_NB_HW_STATS)
 796                         return IONIC_NB_HW_STATS;
 797
 798                 ionic_lif_get_hw_stats(lif, &hw_stats);
 799
 800                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 801                         values[i] = *(uint64_t *)(((char *)&hw_stats) +
 802                                         rte_ionic_xstats_strings[i].offset);
 803                 }
 804
 805                 return IONIC_NB_HW_STATS;
 806         }
 807
 808         ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
 809                         IONIC_NB_HW_STATS);
 810
 811         for (i = 0; i < n; i++) {
 812                 if (ids[i] >= IONIC_NB_HW_STATS) {
 813                         IONIC_PRINT(ERR, "id value isn't valid");
 814                         return -1;
 815                 }
 816
 817                 values[i] = values_copy[ids[i]];
 818         }
 819
 820         return n;
 821 }
 822
 823 static int
 824 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
 825 {
 826         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 827
 828         ionic_lif_reset_hw_stats(lif);
 829
 830         return 0;
 831 }
 832
 833 static int
 834 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 835 {
 836         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 837
 838         IONIC_PRINT_CALL();
 839
 840         ionic_lif_configure(lif);
 841
 842         ionic_lif_set_features(lif);
 843
 844         return 0;
 845 }
 846
 847 static inline uint32_t
 848 ionic_parse_link_speeds(uint16_t link_speeds)
 849 {
 850         if (link_speeds & ETH_LINK_SPEED_100G)
 851                 return 100000;
 852         else if (link_speeds & ETH_LINK_SPEED_50G)
 853                 return 50000;
 854         else if (link_speeds & ETH_LINK_SPEED_40G)
 855                 return 40000;
 856         else if (link_speeds & ETH_LINK_SPEED_25G)
 857                 return 25000;
 858         else if (link_speeds & ETH_LINK_SPEED_10G)
 859                 return 10000;
 860         else
 861                 return 0;
 862 }
 863
 864 /*
 865  * Configure device link speed and setup link.
 866  * It returns 0 on success.
 867  */
 868 static int
 869 ionic_dev_start(struct rte_eth_dev *eth_dev)
 870 {
 871         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 872         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 873         struct ionic_adapter *adapter = lif->adapter;
 874         struct ionic_dev *idev = &adapter->idev;
 875         uint32_t speed = 0, allowed_speeds;
 876         uint8_t an_enable;
 877         int err;
 878
 879         IONIC_PRINT_CALL();
 880
 881         allowed_speeds =
 882                 ETH_LINK_SPEED_FIXED |
 883                 ETH_LINK_SPEED_10G |
 884                 ETH_LINK_SPEED_25G |
 885                 ETH_LINK_SPEED_40G |
 886                 ETH_LINK_SPEED_50G |
 887                 ETH_LINK_SPEED_100G;
 888
 889         if (dev_conf->link_speeds & ~allowed_speeds) {
 890                 IONIC_PRINT(ERR, "Invalid link setting");
 891                 return -EINVAL;
 892         }
 893
 894         if (dev_conf->lpbk_mode)
 895                 IONIC_PRINT(WARNING, "Loopback mode not supported");
 896
 897         err = ionic_lif_start(lif);
 898         if (err) {
 899                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 900                 return err;
 901         }
 902
 903         /* Configure link */
 904         an_enable = (dev_conf->link_speeds & ETH_LINK_SPEED_FIXED) == 0;
 905
 906         ionic_dev_cmd_port_autoneg(idev, an_enable);
 907         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 908         if (err)
 909                 IONIC_PRINT(WARNING, "Failed to %s autonegotiation",
 910                         an_enable ? "enable" : "disable");
 911
 912         if (!an_enable)
 913                 speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 914         if (speed) {
 915                 ionic_dev_cmd_port_speed(idev, speed);
 916                 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 917                 if (err)
 918                         IONIC_PRINT(WARNING, "Failed to set link speed %u",
 919                                 speed);
 920         }
 921
 922         ionic_dev_link_update(eth_dev, 0);
 923
 924         return 0;
 925 }
 926
 927 /*
 928  * Stop device: disable rx and tx functions to allow for reconfiguring.
 929  */
 930 static int
 931 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 932 {
 933         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 934
 935         IONIC_PRINT_CALL();
 936
 937         ionic_lif_stop(lif);
 938
 939         return 0;
 940 }
 941
 942 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
 943
 944 /*
 945  * Reset and stop device.
 946  */
 947 static int
 948 ionic_dev_close(struct rte_eth_dev *eth_dev)
 949 {
 950         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 951         struct ionic_adapter *adapter = lif->adapter;
 952
 953         IONIC_PRINT_CALL();
 954         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 955                 return 0;
 956
 957         ionic_lif_stop(lif);
 958
 959         ionic_lif_free_queues(lif);
 960
 961         IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
 962         ionic_unconfigure_intr(adapter);
 963
 964         rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
 965
 966         ionic_port_reset(adapter);
 967         ionic_reset(adapter);
 968
 969         rte_free(adapter);
 970
 971         return 0;
 972 }
 973
 974 static int
 975 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 976 {
 977         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 978         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 979         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 980         int err;
 981
 982         IONIC_PRINT_CALL();
 983
 984         eth_dev->dev_ops = &ionic_eth_dev_ops;
 985         eth_dev->rx_pkt_burst = &ionic_recv_pkts;
 986         eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
 987         eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
 988
 989         /* Multi-process not supported, primary does initialization anyway */
 990         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 991                 return 0;
 992
 993         rte_eth_copy_pci_info(eth_dev, pci_dev);
 994         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
 995
 996         lif->eth_dev = eth_dev;
 997         lif->adapter = adapter;
 998         adapter->lif = lif;
 999
1000         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
1001                 adapter->max_mac_addrs);
1002
1003         /* Allocate memory for storing MAC addresses */
1004         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
1005                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
1006
1007         if (eth_dev->data->mac_addrs == NULL) {
1008                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
1009                         "store MAC addresses",
1010                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
1011                 err = -ENOMEM;
1012                 goto err;
1013         }
1014
1015         err = ionic_lif_alloc(lif);
1016         if (err) {
1017                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
1018                         err);
1019                 goto err;
1020         }
1021
1022         err = ionic_lif_init(lif);
1023         if (err) {
1024                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1025                 goto err_free_lif;
1026         }
1027
1028         /* Copy the MAC address */
1029         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1030                 &eth_dev->data->mac_addrs[0]);
1031
1032         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1033
1034         return 0;
1035
1036 err_free_lif:
1037         ionic_lif_free(lif);
1038 err:
1039         return err;
1040 }
1041
1042 static int
1043 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1044 {
1045         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1046         struct ionic_adapter *adapter = lif->adapter;
1047
1048         IONIC_PRINT_CALL();
1049
1050         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1051                 return 0;
1052
1053         adapter->lif = NULL;
1054
1055         ionic_lif_deinit(lif);
1056         ionic_lif_free(lif);
1057
1058         if (!(lif->state & IONIC_LIF_F_FW_RESET))
1059                 ionic_lif_reset(lif);
1060
1061         return 0;
1062 }
1063
1064 static int
1065 ionic_configure_intr(struct ionic_adapter *adapter)
1066 {
1067         struct rte_pci_device *pci_dev = adapter->pci_dev;
1068         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1069         int err;
1070
1071         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1072
1073         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1074                 IONIC_PRINT(ERR, "Fail to create eventfd");
1075                 return -1;
1076         }
1077
1078         if (rte_intr_dp_is_en(intr_handle))
1079                 IONIC_PRINT(DEBUG,
1080                         "Packet I/O interrupt on datapath is enabled");
1081
1082         if (!intr_handle->intr_vec) {
1083                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1084                         adapter->nintrs * sizeof(int), 0);
1085
1086                 if (!intr_handle->intr_vec) {
1087                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1088                                 adapter->nintrs);
1089                         return -ENOMEM;
1090                 }
1091         }
1092
1093         err = rte_intr_callback_register(intr_handle,
1094                 ionic_dev_interrupt_handler,
1095                 adapter);
1096
1097         if (err) {
1098                 IONIC_PRINT(ERR,
1099                         "Failure registering interrupts handler (%d)",
1100                         err);
1101                 return err;
1102         }
1103
1104         /* enable intr mapping */
1105         err = rte_intr_enable(intr_handle);
1106
1107         if (err) {
1108                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1109                 return err;
1110         }
1111
1112         return 0;
1113 }
1114
1115 static void
1116 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1117 {
1118         struct rte_pci_device *pci_dev = adapter->pci_dev;
1119         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1120
1121         rte_intr_disable(intr_handle);
1122
1123         rte_intr_callback_unregister(intr_handle,
1124                 ionic_dev_interrupt_handler,
1125                 adapter);
1126 }
1127
1128 static int
1129 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1130                 struct rte_pci_device *pci_dev)
1131 {
1132         char name[RTE_ETH_NAME_MAX_LEN];
1133         struct rte_mem_resource *resource;
1134         struct ionic_adapter *adapter;
1135         struct ionic_hw *hw;
1136         unsigned long i;
1137         int err;
1138
1139         /* Check structs (trigger error at compilation time) */
1140         ionic_struct_size_checks();
1141
1142         /* Multi-process not supported */
1143         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1144                 err = -EPERM;
1145                 goto err;
1146         }
1147
1148         IONIC_PRINT(DEBUG, "Initializing device %s",
1149                 pci_dev->device.name);
1150
1151         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1152         if (!adapter) {
1153                 IONIC_PRINT(ERR, "OOM");
1154                 err = -ENOMEM;
1155                 goto err;
1156         }
1157
1158         adapter->pci_dev = pci_dev;
1159         hw = &adapter->hw;
1160
1161         hw->device_id = pci_dev->id.device_id;
1162         hw->vendor_id = pci_dev->id.vendor_id;
1163
1164         err = ionic_init_mac(hw);
1165         if (err != 0) {
1166                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1167                 err = -EIO;
1168                 goto err_free_adapter;
1169         }
1170
1171         adapter->num_bars = 0;
1172         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1173                 resource = &pci_dev->mem_resource[i];
1174                 if (resource->phys_addr == 0 || resource->len == 0)
1175                         continue;
1176                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1177                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1178                 adapter->bars[adapter->num_bars].len = resource->len;
1179                 adapter->num_bars++;
1180         }
1181
1182         /* Discover ionic dev resources */
1183
1184         err = ionic_setup(adapter);
1185         if (err) {
1186                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1187                 goto err_free_adapter;
1188         }
1189
1190         err = ionic_identify(adapter);
1191         if (err) {
1192                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1193                         err);
1194                 goto err_free_adapter;
1195         }
1196
1197         err = ionic_init(adapter);
1198         if (err) {
1199                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1200                 goto err_free_adapter;
1201         }
1202
1203         /* Configure the ports */
1204         err = ionic_port_identify(adapter);
1205         if (err) {
1206                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1207                         err);
1208                 goto err_free_adapter;
1209         }
1210
1211         err = ionic_port_init(adapter);
1212         if (err) {
1213                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1214                 goto err_free_adapter;
1215         }
1216
1217         /* Configure LIFs */
1218         err = ionic_lif_identify(adapter);
1219         if (err) {
1220                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1221                 goto err_free_adapter;
1222         }
1223
1224         /* Allocate and init LIFs */
1225         err = ionic_lifs_size(adapter);
1226         if (err) {
1227                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1228                 goto err_free_adapter;
1229         }
1230
1231         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
1232
1233         if (adapter->ident.dev.nlifs != 1) {
1234                 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1235                         adapter->ident.dev.nlifs);
1236                 goto err_free_adapter;
1237         }
1238
1239         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1240         err = rte_eth_dev_create(&pci_dev->device,
1241                         name, sizeof(struct ionic_lif),
1242                         NULL, NULL, eth_ionic_dev_init, adapter);
1243         if (err) {
1244                 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1245                 goto err_free_adapter;
1246         }
1247
1248         err = ionic_configure_intr(adapter);
1249
1250         if (err) {
1251                 IONIC_PRINT(ERR, "Failed to configure interrupts");
1252                 goto err_free_adapter;
1253         }
1254
1255         return 0;
1256
1257 err_free_adapter:
1258         rte_free(adapter);
1259 err:
1260         return err;
1261 }
1262
1263 static int
1264 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1265 {
1266         char name[RTE_ETH_NAME_MAX_LEN];
1267         struct rte_eth_dev *eth_dev;
1268
1269         /* Adapter lookup is using the eth_dev name */
1270         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1271
1272         eth_dev = rte_eth_dev_allocated(name);
1273         if (eth_dev)
1274                 ionic_dev_close(eth_dev);
1275         else
1276                 IONIC_PRINT(DEBUG, "Cannot find device %s",
1277                         pci_dev->device.name);
1278
1279         return 0;
1280 }
1281
1282 static struct rte_pci_driver rte_ionic_pmd = {
1283         .id_table = pci_id_ionic_map,
1284         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1285         .probe = eth_ionic_pci_probe,
1286         .remove = eth_ionic_pci_remove,
1287 };
1288
1289 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1290 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1291 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1292 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);