drivers/net/ionic/ionic_ethdev.c

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
   3  */
   4
   5 #include <rte_pci.h>
   6 #include <rte_bus_pci.h>
   7 #include <rte_ethdev.h>
   8 #include <ethdev_driver.h>
   9 #include <rte_malloc.h>
  10 #include <ethdev_pci.h>
  11
  12 #include "ionic_logs.h"
  13 #include "ionic.h"
  14 #include "ionic_dev.h"
  15 #include "ionic_mac_api.h"
  16 #include "ionic_lif.h"
  17 #include "ionic_ethdev.h"
  18 #include "ionic_rxtx.h"
  19
  20 static int  eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
  21 static int  eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
  22 static int  ionic_dev_info_get(struct rte_eth_dev *eth_dev,
  23         struct rte_eth_dev_info *dev_info);
  24 static int  ionic_dev_configure(struct rte_eth_dev *dev);
  25 static int  ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  26 static int  ionic_dev_start(struct rte_eth_dev *dev);
  27 static int  ionic_dev_stop(struct rte_eth_dev *dev);
  28 static int  ionic_dev_close(struct rte_eth_dev *dev);
  29 static int  ionic_dev_set_link_up(struct rte_eth_dev *dev);
  30 static int  ionic_dev_set_link_down(struct rte_eth_dev *dev);
  31 static int  ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
  32         struct rte_eth_fc_conf *fc_conf);
  33 static int  ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
  34         struct rte_eth_fc_conf *fc_conf);
  35 static int  ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask);
  36 static int  ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
  37         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
  38 static int  ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
  39         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
  40 static int  ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
  41         struct rte_eth_rss_conf *rss_conf);
  42 static int  ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
  43         struct rte_eth_rss_conf *rss_conf);
  44 static int  ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
  45         struct rte_eth_stats *stats);
  46 static int  ionic_dev_stats_reset(struct rte_eth_dev *eth_dev);
  47 static int  ionic_dev_xstats_get(struct rte_eth_dev *dev,
  48         struct rte_eth_xstat *xstats, unsigned int n);
  49 static int  ionic_dev_xstats_get_by_id(struct rte_eth_dev *dev,
  50         const uint64_t *ids, uint64_t *values, unsigned int n);
  51 static int  ionic_dev_xstats_reset(struct rte_eth_dev *dev);
  52 static int  ionic_dev_xstats_get_names(struct rte_eth_dev *dev,
  53         struct rte_eth_xstat_name *xstats_names, unsigned int size);
  54 static int  ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
  55         struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
  56         unsigned int limit);
  57 static int  ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
  58         char *fw_version, size_t fw_size);
  59
  60 static const struct rte_pci_id pci_id_ionic_map[] = {
  61         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
  62         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
  63         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
  64         { .vendor_id = 0, /* sentinel */ },
  65 };
  66
  67 static const struct rte_eth_desc_lim rx_desc_lim = {
  68         .nb_max = IONIC_MAX_RING_DESC,
  69         .nb_min = IONIC_MIN_RING_DESC,
  70         .nb_align = 1,
  71 };
  72
  73 static const struct rte_eth_desc_lim tx_desc_lim_v1 = {
  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_V1 + 1,
  78         .nb_mtu_seg_max = IONIC_TX_MAX_SG_ELEMS_V1 + 1,
  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 RTE_DIM(rte_ionic_xstats_strings)
 211
 212 static int
 213 ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
 214                 char *fw_version, size_t fw_size)
 215 {
 216         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 217         struct ionic_adapter *adapter = lif->adapter;
 218         int ret;
 219
 220         ret = snprintf(fw_version, fw_size, "%s",
 221                  adapter->fw_version);
 222         if (ret < 0)
 223                 return -EINVAL;
 224
 225         ret += 1; /* add the size of '\0' */
 226         if (fw_size < (size_t)ret)
 227                 return ret;
 228         else
 229                 return 0;
 230 }
 231
 232 /*
 233  * Set device link up, enable tx.
 234  */
 235 static int
 236 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
 237 {
 238         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 239         int err;
 240
 241         IONIC_PRINT_CALL();
 242
 243         err = ionic_lif_start(lif);
 244         if (err)
 245                 IONIC_PRINT(ERR, "Could not start lif to set link up");
 246
 247         ionic_dev_link_update(lif->eth_dev, 0);
 248
 249         return err;
 250 }
 251
 252 /*
 253  * Set device link down, disable tx.
 254  */
 255 static int
 256 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
 257 {
 258         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 259
 260         IONIC_PRINT_CALL();
 261
 262         ionic_lif_stop(lif);
 263
 264         ionic_dev_link_update(lif->eth_dev, 0);
 265
 266         return 0;
 267 }
 268
 269 int
 270 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
 271                 int wait_to_complete __rte_unused)
 272 {
 273         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 274         struct ionic_adapter *adapter = lif->adapter;
 275         struct rte_eth_link link;
 276
 277         IONIC_PRINT_CALL();
 278
 279         /* Initialize */
 280         memset(&link, 0, sizeof(link));
 281
 282         if (adapter->idev.port_info->config.an_enable) {
 283                 link.link_autoneg = ETH_LINK_AUTONEG;
 284         }
 285
 286         if (!adapter->link_up ||
 287             !(lif->state & IONIC_LIF_F_UP)) {
 288                 /* Interface is down */
 289                 link.link_status = ETH_LINK_DOWN;
 290                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
 291                 link.link_speed = ETH_SPEED_NUM_NONE;
 292         } else {
 293                 /* Interface is up */
 294                 link.link_status = ETH_LINK_UP;
 295                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
 296                 switch (adapter->link_speed) {
 297                 case  10000:
 298                         link.link_speed = ETH_SPEED_NUM_10G;
 299                         break;
 300                 case  25000:
 301                         link.link_speed = ETH_SPEED_NUM_25G;
 302                         break;
 303                 case  40000:
 304                         link.link_speed = ETH_SPEED_NUM_40G;
 305                         break;
 306                 case  50000:
 307                         link.link_speed = ETH_SPEED_NUM_50G;
 308                         break;
 309                 case 100000:
 310                         link.link_speed = ETH_SPEED_NUM_100G;
 311                         break;
 312                 default:
 313                         link.link_speed = ETH_SPEED_NUM_NONE;
 314                         break;
 315                 }
 316         }
 317
 318         return rte_eth_linkstatus_set(eth_dev, &link);
 319 }
 320
 321 /**
 322  * Interrupt handler triggered by NIC for handling
 323  * specific interrupt.
 324  *
 325  * @param param
 326  *  The address of parameter registered before.
 327  *
 328  * @return
 329  *  void
 330  */
 331 static void
 332 ionic_dev_interrupt_handler(void *param)
 333 {
 334         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
 335
 336         IONIC_PRINT(DEBUG, "->");
 337
 338         if (adapter->lif)
 339                 ionic_notifyq_handler(adapter->lif, -1);
 340 }
 341
 342 static int
 343 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 344 {
 345         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 346         uint32_t max_frame_size;
 347         int err;
 348
 349         IONIC_PRINT_CALL();
 350
 351         /*
 352          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
 353          * is done by the the API.
 354          */
 355
 356         /*
 357          * Max frame size is MTU + Ethernet header + VLAN + QinQ
 358          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
 359          */
 360         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
 361
 362         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
 363                 return -EINVAL;
 364
 365         err = ionic_lif_change_mtu(lif, mtu);
 366         if (err)
 367                 return err;
 368
 369         return 0;
 370 }
 371
 372 static int
 373 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
 374                 struct rte_eth_dev_info *dev_info)
 375 {
 376         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 377         struct ionic_adapter *adapter = lif->adapter;
 378         struct ionic_identity *ident = &adapter->ident;
 379         union ionic_lif_config *cfg = &ident->lif.eth.config;
 380
 381         IONIC_PRINT_CALL();
 382
 383         dev_info->max_rx_queues = (uint16_t)
 384                 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_RXQ]);
 385         dev_info->max_tx_queues = (uint16_t)
 386                 rte_le_to_cpu_32(cfg->queue_count[IONIC_QTYPE_TXQ]);
 387
 388         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
 389         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
 390         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
 391         dev_info->max_mac_addrs = adapter->max_mac_addrs;
 392         dev_info->min_mtu = IONIC_MIN_MTU;
 393         dev_info->max_mtu = IONIC_MAX_MTU;
 394
 395         dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
 396         dev_info->reta_size = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 397         dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
 398
 399         dev_info->speed_capa =
 400                 ETH_LINK_SPEED_10G |
 401                 ETH_LINK_SPEED_25G |
 402                 ETH_LINK_SPEED_40G |
 403                 ETH_LINK_SPEED_50G |
 404                 ETH_LINK_SPEED_100G;
 405
 406         /*
 407          * Per-queue capabilities
 408          * RTE does not support disabling a feature on a queue if it is
 409          * enabled globally on the device. Thus the driver does not advertise
 410          * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
 411          * though the driver would be otherwise capable of disabling it on
 412          * a per-queue basis.
 413          */
 414
 415         dev_info->rx_queue_offload_capa = 0;
 416         dev_info->tx_queue_offload_capa = 0;
 417
 418         /*
 419          * Per-port capabilities
 420          * See ionic_set_features to request and check supported features
 421          */
 422
 423         dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
 424                 DEV_RX_OFFLOAD_IPV4_CKSUM |
 425                 DEV_RX_OFFLOAD_UDP_CKSUM |
 426                 DEV_RX_OFFLOAD_TCP_CKSUM |
 427                 DEV_RX_OFFLOAD_JUMBO_FRAME |
 428                 DEV_RX_OFFLOAD_VLAN_FILTER |
 429                 DEV_RX_OFFLOAD_VLAN_STRIP |
 430                 DEV_RX_OFFLOAD_SCATTER |
 431                 DEV_RX_OFFLOAD_RSS_HASH |
 432                 0;
 433
 434         dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
 435                 DEV_TX_OFFLOAD_IPV4_CKSUM |
 436                 DEV_TX_OFFLOAD_UDP_CKSUM |
 437                 DEV_TX_OFFLOAD_TCP_CKSUM |
 438                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 439                 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
 440                 DEV_TX_OFFLOAD_MULTI_SEGS |
 441                 DEV_TX_OFFLOAD_TCP_TSO |
 442                 DEV_TX_OFFLOAD_VLAN_INSERT |
 443                 0;
 444
 445         dev_info->rx_desc_lim = rx_desc_lim;
 446         dev_info->tx_desc_lim = tx_desc_lim_v1;
 447
 448         /* Driver-preferred Rx/Tx parameters */
 449         dev_info->default_rxportconf.burst_size = 32;
 450         dev_info->default_txportconf.burst_size = 32;
 451         dev_info->default_rxportconf.nb_queues = 1;
 452         dev_info->default_txportconf.nb_queues = 1;
 453         dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
 454         dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
 455
 456         dev_info->default_rxconf = (struct rte_eth_rxconf) {
 457                 /* Packets are always dropped if no desc are available */
 458                 .rx_drop_en = 1,
 459         };
 460
 461         return 0;
 462 }
 463
 464 static int
 465 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 466                 struct rte_eth_fc_conf *fc_conf)
 467 {
 468         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 469         struct ionic_adapter *adapter = lif->adapter;
 470         struct ionic_dev *idev = &adapter->idev;
 471
 472         if (idev->port_info) {
 473                 /* Flow control autoneg not supported */
 474                 fc_conf->autoneg = 0;
 475
 476                 if (idev->port_info->config.pause_type)
 477                         fc_conf->mode = RTE_FC_FULL;
 478                 else
 479                         fc_conf->mode = RTE_FC_NONE;
 480         }
 481
 482         return 0;
 483 }
 484
 485 static int
 486 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 487                 struct rte_eth_fc_conf *fc_conf)
 488 {
 489         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 490         struct ionic_adapter *adapter = lif->adapter;
 491         struct ionic_dev *idev = &adapter->idev;
 492         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 493         int err;
 494
 495         if (fc_conf->autoneg) {
 496                 IONIC_PRINT(WARNING, "Flow control autoneg not supported");
 497                 return -ENOTSUP;
 498         }
 499
 500         switch (fc_conf->mode) {
 501         case RTE_FC_NONE:
 502                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
 503                 break;
 504         case RTE_FC_FULL:
 505                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
 506                 break;
 507         case RTE_FC_RX_PAUSE:
 508         case RTE_FC_TX_PAUSE:
 509                 return -ENOTSUP;
 510         }
 511
 512         ionic_dev_cmd_port_pause(idev, pause_type);
 513         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 514         if (err)
 515                 IONIC_PRINT(WARNING, "Failed to configure flow control");
 516
 517         return err;
 518 }
 519
 520 static int
 521 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 522 {
 523         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 524
 525         ionic_lif_configure_vlan_offload(lif, mask);
 526
 527         ionic_lif_set_features(lif);
 528
 529         return 0;
 530 }
 531
 532 static int
 533 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
 534                 struct rte_eth_rss_reta_entry64 *reta_conf,
 535                 uint16_t reta_size)
 536 {
 537         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 538         struct ionic_adapter *adapter = lif->adapter;
 539         struct ionic_identity *ident = &adapter->ident;
 540         uint32_t i, j, index, num;
 541         uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 542
 543         IONIC_PRINT_CALL();
 544
 545         if (!lif->rss_ind_tbl) {
 546                 IONIC_PRINT(ERR, "RSS RETA not initialized, "
 547                         "can't update the table");
 548                 return -EINVAL;
 549         }
 550
 551         if (reta_size != tbl_sz) {
 552                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 553                         "(%d) does not match the number hardware can support "
 554                         "(%d)",
 555                         reta_size, tbl_sz);
 556                 return -EINVAL;
 557         }
 558
 559         num = tbl_sz / RTE_RETA_GROUP_SIZE;
 560
 561         for (i = 0; i < num; i++) {
 562                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
 563                         if (reta_conf[i].mask & ((uint64_t)1 << j)) {
 564                                 index = (i * RTE_RETA_GROUP_SIZE) + j;
 565                                 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
 566                         }
 567                 }
 568         }
 569
 570         return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
 571 }
 572
 573 static int
 574 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
 575                 struct rte_eth_rss_reta_entry64 *reta_conf,
 576                 uint16_t reta_size)
 577 {
 578         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 579         struct ionic_adapter *adapter = lif->adapter;
 580         struct ionic_identity *ident = &adapter->ident;
 581         int i, num;
 582         uint16_t tbl_sz = rte_le_to_cpu_16(ident->lif.eth.rss_ind_tbl_sz);
 583
 584         IONIC_PRINT_CALL();
 585
 586         if (reta_size != tbl_sz) {
 587                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
 588                         "(%d) does not match the number hardware can support "
 589                         "(%d)",
 590                         reta_size, tbl_sz);
 591                 return -EINVAL;
 592         }
 593
 594         if (!lif->rss_ind_tbl) {
 595                 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
 596                 return -EINVAL;
 597         }
 598
 599         num = reta_size / RTE_RETA_GROUP_SIZE;
 600
 601         for (i = 0; i < num; i++) {
 602                 memcpy(reta_conf->reta,
 603                         &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
 604                         RTE_RETA_GROUP_SIZE);
 605                 reta_conf++;
 606         }
 607
 608         return 0;
 609 }
 610
 611 static int
 612 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
 613                 struct rte_eth_rss_conf *rss_conf)
 614 {
 615         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 616         uint64_t rss_hf = 0;
 617
 618         IONIC_PRINT_CALL();
 619
 620         if (!lif->rss_ind_tbl) {
 621                 IONIC_PRINT(NOTICE, "RSS not enabled");
 622                 return 0;
 623         }
 624
 625         /* Get key value (if not null, rss_key is 40-byte) */
 626         if (rss_conf->rss_key != NULL &&
 627                         rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
 628                 memcpy(rss_conf->rss_key, lif->rss_hash_key,
 629                         IONIC_RSS_HASH_KEY_SIZE);
 630
 631         if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
 632                 rss_hf |= ETH_RSS_IPV4;
 633         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
 634                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 635         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
 636                 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 637         if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
 638                 rss_hf |= ETH_RSS_IPV6;
 639         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
 640                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
 641         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
 642                 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
 643
 644         rss_conf->rss_hf = rss_hf;
 645
 646         return 0;
 647 }
 648
 649 static int
 650 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
 651                 struct rte_eth_rss_conf *rss_conf)
 652 {
 653         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 654         uint32_t rss_types = 0;
 655         uint8_t *key = NULL;
 656
 657         IONIC_PRINT_CALL();
 658
 659         if (rss_conf->rss_key)
 660                 key = rss_conf->rss_key;
 661
 662         if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
 663                 /*
 664                  * Can't disable rss through hash flags,
 665                  * if it is enabled by default during init
 666                  */
 667                 if (lif->rss_ind_tbl)
 668                         return -EINVAL;
 669         } else {
 670                 /* Can't enable rss if disabled by default during init */
 671                 if (!lif->rss_ind_tbl)
 672                         return -EINVAL;
 673
 674                 if (rss_conf->rss_hf & ETH_RSS_IPV4)
 675                         rss_types |= IONIC_RSS_TYPE_IPV4;
 676                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
 677                         rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
 678                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
 679                         rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
 680                 if (rss_conf->rss_hf & ETH_RSS_IPV6)
 681                         rss_types |= IONIC_RSS_TYPE_IPV6;
 682                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
 683                         rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
 684                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
 685                         rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
 686
 687                 ionic_lif_rss_config(lif, rss_types, key, NULL);
 688         }
 689
 690         return 0;
 691 }
 692
 693 static int
 694 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
 695                 struct rte_eth_stats *stats)
 696 {
 697         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 698
 699         ionic_lif_get_stats(lif, stats);
 700
 701         return 0;
 702 }
 703
 704 static int
 705 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
 706 {
 707         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 708
 709         IONIC_PRINT_CALL();
 710
 711         ionic_lif_reset_stats(lif);
 712
 713         return 0;
 714 }
 715
 716 static int
 717 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
 718                 struct rte_eth_xstat_name *xstats_names,
 719                 __rte_unused unsigned int size)
 720 {
 721         unsigned int i;
 722
 723         if (xstats_names != NULL) {
 724                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 725                         snprintf(xstats_names[i].name,
 726                                         sizeof(xstats_names[i].name),
 727                                         "%s", rte_ionic_xstats_strings[i].name);
 728                 }
 729         }
 730
 731         return IONIC_NB_HW_STATS;
 732 }
 733
 734 static int
 735 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
 736                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
 737                 unsigned int limit)
 738 {
 739         struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
 740         uint16_t i;
 741
 742         if (!ids) {
 743                 if (xstats_names != NULL) {
 744                         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 745                                 snprintf(xstats_names[i].name,
 746                                         sizeof(xstats_names[i].name),
 747                                         "%s", rte_ionic_xstats_strings[i].name);
 748                         }
 749                 }
 750
 751                 return IONIC_NB_HW_STATS;
 752         }
 753
 754         ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
 755                 IONIC_NB_HW_STATS);
 756
 757         for (i = 0; i < limit; i++) {
 758                 if (ids[i] >= IONIC_NB_HW_STATS) {
 759                         IONIC_PRINT(ERR, "id value isn't valid");
 760                         return -1;
 761                 }
 762
 763                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
 764         }
 765
 766         return limit;
 767 }
 768
 769 static int
 770 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
 771                 unsigned int n)
 772 {
 773         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 774         struct ionic_lif_stats hw_stats;
 775         uint16_t i;
 776
 777         if (n < IONIC_NB_HW_STATS)
 778                 return IONIC_NB_HW_STATS;
 779
 780         ionic_lif_get_hw_stats(lif, &hw_stats);
 781
 782         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 783                 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
 784                                 rte_ionic_xstats_strings[i].offset);
 785                 xstats[i].id = i;
 786         }
 787
 788         return IONIC_NB_HW_STATS;
 789 }
 790
 791 static int
 792 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
 793                 uint64_t *values, unsigned int n)
 794 {
 795         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 796         struct ionic_lif_stats hw_stats;
 797         uint64_t values_copy[IONIC_NB_HW_STATS];
 798         uint16_t i;
 799
 800         if (!ids) {
 801                 if (!ids && n < IONIC_NB_HW_STATS)
 802                         return IONIC_NB_HW_STATS;
 803
 804                 ionic_lif_get_hw_stats(lif, &hw_stats);
 805
 806                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
 807                         values[i] = *(uint64_t *)(((char *)&hw_stats) +
 808                                         rte_ionic_xstats_strings[i].offset);
 809                 }
 810
 811                 return IONIC_NB_HW_STATS;
 812         }
 813
 814         ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
 815                         IONIC_NB_HW_STATS);
 816
 817         for (i = 0; i < n; i++) {
 818                 if (ids[i] >= IONIC_NB_HW_STATS) {
 819                         IONIC_PRINT(ERR, "id value isn't valid");
 820                         return -1;
 821                 }
 822
 823                 values[i] = values_copy[ids[i]];
 824         }
 825
 826         return n;
 827 }
 828
 829 static int
 830 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
 831 {
 832         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 833
 834         ionic_lif_reset_hw_stats(lif);
 835
 836         return 0;
 837 }
 838
 839 static int
 840 ionic_dev_configure(struct rte_eth_dev *eth_dev)
 841 {
 842         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 843
 844         IONIC_PRINT_CALL();
 845
 846         ionic_lif_configure(lif);
 847
 848         ionic_lif_set_features(lif);
 849
 850         return 0;
 851 }
 852
 853 static inline uint32_t
 854 ionic_parse_link_speeds(uint16_t link_speeds)
 855 {
 856         if (link_speeds & ETH_LINK_SPEED_100G)
 857                 return 100000;
 858         else if (link_speeds & ETH_LINK_SPEED_50G)
 859                 return 50000;
 860         else if (link_speeds & ETH_LINK_SPEED_40G)
 861                 return 40000;
 862         else if (link_speeds & ETH_LINK_SPEED_25G)
 863                 return 25000;
 864         else if (link_speeds & ETH_LINK_SPEED_10G)
 865                 return 10000;
 866         else
 867                 return 0;
 868 }
 869
 870 /*
 871  * Configure device link speed and setup link.
 872  * It returns 0 on success.
 873  */
 874 static int
 875 ionic_dev_start(struct rte_eth_dev *eth_dev)
 876 {
 877         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
 878         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 879         struct ionic_adapter *adapter = lif->adapter;
 880         struct ionic_dev *idev = &adapter->idev;
 881         uint32_t speed = 0, allowed_speeds;
 882         uint8_t an_enable;
 883         int err;
 884
 885         IONIC_PRINT_CALL();
 886
 887         allowed_speeds =
 888                 ETH_LINK_SPEED_FIXED |
 889                 ETH_LINK_SPEED_10G |
 890                 ETH_LINK_SPEED_25G |
 891                 ETH_LINK_SPEED_40G |
 892                 ETH_LINK_SPEED_50G |
 893                 ETH_LINK_SPEED_100G;
 894
 895         if (dev_conf->link_speeds & ~allowed_speeds) {
 896                 IONIC_PRINT(ERR, "Invalid link setting");
 897                 return -EINVAL;
 898         }
 899
 900         if (dev_conf->lpbk_mode)
 901                 IONIC_PRINT(WARNING, "Loopback mode not supported");
 902
 903         err = ionic_lif_start(lif);
 904         if (err) {
 905                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
 906                 return err;
 907         }
 908
 909         /* Configure link */
 910         an_enable = (dev_conf->link_speeds & ETH_LINK_SPEED_FIXED) == 0;
 911
 912         ionic_dev_cmd_port_autoneg(idev, an_enable);
 913         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 914         if (err)
 915                 IONIC_PRINT(WARNING, "Failed to %s autonegotiation",
 916                         an_enable ? "enable" : "disable");
 917
 918         if (!an_enable)
 919                 speed = ionic_parse_link_speeds(dev_conf->link_speeds);
 920         if (speed) {
 921                 ionic_dev_cmd_port_speed(idev, speed);
 922                 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
 923                 if (err)
 924                         IONIC_PRINT(WARNING, "Failed to set link speed %u",
 925                                 speed);
 926         }
 927
 928         ionic_dev_link_update(eth_dev, 0);
 929
 930         return 0;
 931 }
 932
 933 /*
 934  * Stop device: disable rx and tx functions to allow for reconfiguring.
 935  */
 936 static int
 937 ionic_dev_stop(struct rte_eth_dev *eth_dev)
 938 {
 939         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 940
 941         IONIC_PRINT_CALL();
 942
 943         ionic_lif_stop(lif);
 944
 945         return 0;
 946 }
 947
 948 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
 949
 950 /*
 951  * Reset and stop device.
 952  */
 953 static int
 954 ionic_dev_close(struct rte_eth_dev *eth_dev)
 955 {
 956         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 957         struct ionic_adapter *adapter = lif->adapter;
 958
 959         IONIC_PRINT_CALL();
 960         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 961                 return 0;
 962
 963         ionic_lif_stop(lif);
 964
 965         ionic_lif_free_queues(lif);
 966
 967         IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
 968         ionic_unconfigure_intr(adapter);
 969
 970         rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
 971
 972         ionic_port_reset(adapter);
 973         ionic_reset(adapter);
 974
 975         rte_free(adapter);
 976
 977         return 0;
 978 }
 979
 980 static int
 981 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
 982 {
 983         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 984         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
 985         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
 986         int err;
 987
 988         IONIC_PRINT_CALL();
 989
 990         eth_dev->dev_ops = &ionic_eth_dev_ops;
 991         eth_dev->rx_pkt_burst = &ionic_recv_pkts;
 992         eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
 993         eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
 994
 995         /* Multi-process not supported, primary does initialization anyway */
 996         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 997                 return 0;
 998
 999         rte_eth_copy_pci_info(eth_dev, pci_dev);
1000         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
1001
1002         lif->eth_dev = eth_dev;
1003         lif->adapter = adapter;
1004         adapter->lif = lif;
1005
1006         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
1007                 adapter->max_mac_addrs);
1008
1009         /* Allocate memory for storing MAC addresses */
1010         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
1011                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
1012
1013         if (eth_dev->data->mac_addrs == NULL) {
1014                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
1015                         "store MAC addresses",
1016                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
1017                 err = -ENOMEM;
1018                 goto err;
1019         }
1020
1021         err = ionic_lif_alloc(lif);
1022         if (err) {
1023                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
1024                         err);
1025                 goto err;
1026         }
1027
1028         err = ionic_lif_init(lif);
1029         if (err) {
1030                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1031                 goto err_free_lif;
1032         }
1033
1034         /* Copy the MAC address */
1035         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1036                 &eth_dev->data->mac_addrs[0]);
1037
1038         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1039
1040         return 0;
1041
1042 err_free_lif:
1043         ionic_lif_free(lif);
1044 err:
1045         return err;
1046 }
1047
1048 static int
1049 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1050 {
1051         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1052         struct ionic_adapter *adapter = lif->adapter;
1053
1054         IONIC_PRINT_CALL();
1055
1056         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1057                 return 0;
1058
1059         adapter->lif = NULL;
1060
1061         ionic_lif_deinit(lif);
1062         ionic_lif_free(lif);
1063
1064         if (!(lif->state & IONIC_LIF_F_FW_RESET))
1065                 ionic_lif_reset(lif);
1066
1067         return 0;
1068 }
1069
1070 static int
1071 ionic_configure_intr(struct ionic_adapter *adapter)
1072 {
1073         struct rte_pci_device *pci_dev = adapter->pci_dev;
1074         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1075         int err;
1076
1077         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1078
1079         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1080                 IONIC_PRINT(ERR, "Fail to create eventfd");
1081                 return -1;
1082         }
1083
1084         if (rte_intr_dp_is_en(intr_handle))
1085                 IONIC_PRINT(DEBUG,
1086                         "Packet I/O interrupt on datapath is enabled");
1087
1088         if (!intr_handle->intr_vec) {
1089                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1090                         adapter->nintrs * sizeof(int), 0);
1091
1092                 if (!intr_handle->intr_vec) {
1093                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1094                                 adapter->nintrs);
1095                         return -ENOMEM;
1096                 }
1097         }
1098
1099         err = rte_intr_callback_register(intr_handle,
1100                 ionic_dev_interrupt_handler,
1101                 adapter);
1102
1103         if (err) {
1104                 IONIC_PRINT(ERR,
1105                         "Failure registering interrupts handler (%d)",
1106                         err);
1107                 return err;
1108         }
1109
1110         /* enable intr mapping */
1111         err = rte_intr_enable(intr_handle);
1112
1113         if (err) {
1114                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1115                 return err;
1116         }
1117
1118         return 0;
1119 }
1120
1121 static void
1122 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1123 {
1124         struct rte_pci_device *pci_dev = adapter->pci_dev;
1125         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1126
1127         rte_intr_disable(intr_handle);
1128
1129         rte_intr_callback_unregister(intr_handle,
1130                 ionic_dev_interrupt_handler,
1131                 adapter);
1132 }
1133
1134 static int
1135 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1136                 struct rte_pci_device *pci_dev)
1137 {
1138         char name[RTE_ETH_NAME_MAX_LEN];
1139         struct rte_mem_resource *resource;
1140         struct ionic_adapter *adapter;
1141         struct ionic_hw *hw;
1142         unsigned long i;
1143         int err;
1144
1145         /* Check structs (trigger error at compilation time) */
1146         ionic_struct_size_checks();
1147
1148         /* Multi-process not supported */
1149         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1150                 err = -EPERM;
1151                 goto err;
1152         }
1153
1154         IONIC_PRINT(DEBUG, "Initializing device %s",
1155                 pci_dev->device.name);
1156
1157         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1158         if (!adapter) {
1159                 IONIC_PRINT(ERR, "OOM");
1160                 err = -ENOMEM;
1161                 goto err;
1162         }
1163
1164         adapter->pci_dev = pci_dev;
1165         hw = &adapter->hw;
1166
1167         hw->device_id = pci_dev->id.device_id;
1168         hw->vendor_id = pci_dev->id.vendor_id;
1169
1170         err = ionic_init_mac(hw);
1171         if (err != 0) {
1172                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1173                 err = -EIO;
1174                 goto err_free_adapter;
1175         }
1176
1177         adapter->num_bars = 0;
1178         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1179                 resource = &pci_dev->mem_resource[i];
1180                 if (resource->phys_addr == 0 || resource->len == 0)
1181                         continue;
1182                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1183                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1184                 adapter->bars[adapter->num_bars].len = resource->len;
1185                 adapter->num_bars++;
1186         }
1187
1188         /* Discover ionic dev resources */
1189
1190         err = ionic_setup(adapter);
1191         if (err) {
1192                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1193                 goto err_free_adapter;
1194         }
1195
1196         err = ionic_identify(adapter);
1197         if (err) {
1198                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1199                         err);
1200                 goto err_free_adapter;
1201         }
1202
1203         err = ionic_init(adapter);
1204         if (err) {
1205                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1206                 goto err_free_adapter;
1207         }
1208
1209         /* Configure the ports */
1210         err = ionic_port_identify(adapter);
1211         if (err) {
1212                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1213                         err);
1214                 goto err_free_adapter;
1215         }
1216
1217         err = ionic_port_init(adapter);
1218         if (err) {
1219                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1220                 goto err_free_adapter;
1221         }
1222
1223         /* Configure LIFs */
1224         err = ionic_lif_identify(adapter);
1225         if (err) {
1226                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1227                 goto err_free_adapter;
1228         }
1229
1230         /* Allocate and init LIFs */
1231         err = ionic_lifs_size(adapter);
1232         if (err) {
1233                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1234                 goto err_free_adapter;
1235         }
1236
1237         adapter->max_mac_addrs =
1238                 rte_le_to_cpu_32(adapter->ident.lif.eth.max_ucast_filters);
1239
1240         if (rte_le_to_cpu_32(adapter->ident.dev.nlifs) != 1) {
1241                 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1242                         rte_le_to_cpu_32(adapter->ident.dev.nlifs));
1243                 goto err_free_adapter;
1244         }
1245
1246         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1247         err = rte_eth_dev_create(&pci_dev->device,
1248                         name, sizeof(struct ionic_lif),
1249                         NULL, NULL, eth_ionic_dev_init, adapter);
1250         if (err) {
1251                 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1252                 goto err_free_adapter;
1253         }
1254
1255         err = ionic_configure_intr(adapter);
1256
1257         if (err) {
1258                 IONIC_PRINT(ERR, "Failed to configure interrupts");
1259                 goto err_free_adapter;
1260         }
1261
1262         return 0;
1263
1264 err_free_adapter:
1265         rte_free(adapter);
1266 err:
1267         return err;
1268 }
1269
1270 static int
1271 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1272 {
1273         char name[RTE_ETH_NAME_MAX_LEN];
1274         struct rte_eth_dev *eth_dev;
1275
1276         /* Adapter lookup is using the eth_dev name */
1277         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1278
1279         eth_dev = rte_eth_dev_allocated(name);
1280         if (eth_dev)
1281                 ionic_dev_close(eth_dev);
1282         else
1283                 IONIC_PRINT(DEBUG, "Cannot find device %s",
1284                         pci_dev->device.name);
1285
1286         return 0;
1287 }
1288
1289 static struct rte_pci_driver rte_ionic_pmd = {
1290         .id_table = pci_id_ionic_map,
1291         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1292         .probe = eth_ionic_pci_probe,
1293         .remove = eth_ionic_pci_remove,
1294 };
1295
1296 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1297 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1298 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1299 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);