drivers/net/cxgbe/cxgbe_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Chelsio Communications.
   3  * All rights reserved.
   4  */
   5
   6 #include <sys/queue.h>
   7 #include <stdio.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <string.h>
  11 #include <unistd.h>
  12 #include <stdarg.h>
  13 #include <inttypes.h>
  14 #include <netinet/in.h>
  15
  16 #include <rte_byteorder.h>
  17 #include <rte_common.h>
  18 #include <rte_cycles.h>
  19 #include <rte_interrupts.h>
  20 #include <rte_log.h>
  21 #include <rte_debug.h>
  22 #include <rte_pci.h>
  23 #include <rte_bus_pci.h>
  24 #include <rte_atomic.h>
  25 #include <rte_branch_prediction.h>
  26 #include <rte_memory.h>
  27 #include <rte_tailq.h>
  28 #include <rte_eal.h>
  29 #include <rte_alarm.h>
  30 #include <rte_ether.h>
  31 #include <rte_ethdev_driver.h>
  32 #include <rte_ethdev_pci.h>
  33 #include <rte_malloc.h>
  34 #include <rte_random.h>
  35 #include <rte_dev.h>
  36
  37 #include "cxgbe.h"
  38 #include "cxgbe_pfvf.h"
  39 #include "cxgbe_flow.h"
  40
  41 /*
  42  * Macros needed to support the PCI Device ID Table ...
  43  */
  44 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
  45         static const struct rte_pci_id cxgb4_pci_tbl[] = {
  46 #define CH_PCI_DEVICE_ID_FUNCTION 0x4
  47
  48 #define PCI_VENDOR_ID_CHELSIO 0x1425
  49
  50 #define CH_PCI_ID_TABLE_ENTRY(devid) \
  51                 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
  52
  53 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
  54                 { .vendor_id = 0, } \
  55         }
  56
  57 /*
  58  *... and the PCI ID Table itself ...
  59  */
  60 #include "base/t4_pci_id_tbl.h"
  61
  62 uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
  63                          uint16_t nb_pkts)
  64 {
  65         struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue;
  66         uint16_t pkts_sent, pkts_remain;
  67         uint16_t total_sent = 0;
  68         uint16_t idx = 0;
  69         int ret = 0;
  70
  71         t4_os_lock(&txq->txq_lock);
  72         /* free up desc from already completed tx */
  73         reclaim_completed_tx(&txq->q);
  74         if (unlikely(!nb_pkts))
  75                 goto out_unlock;
  76
  77         rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[0], volatile void *));
  78         while (total_sent < nb_pkts) {
  79                 pkts_remain = nb_pkts - total_sent;
  80
  81                 for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) {
  82                         idx = total_sent + pkts_sent;
  83                         if ((idx + 1) < nb_pkts)
  84                                 rte_prefetch0(rte_pktmbuf_mtod(tx_pkts[idx + 1],
  85                                                         volatile void *));
  86                         ret = t4_eth_xmit(txq, tx_pkts[idx], nb_pkts);
  87                         if (ret < 0)
  88                                 break;
  89                 }
  90                 if (!pkts_sent)
  91                         break;
  92                 total_sent += pkts_sent;
  93                 /* reclaim as much as possible */
  94                 reclaim_completed_tx(&txq->q);
  95         }
  96
  97 out_unlock:
  98         t4_os_unlock(&txq->txq_lock);
  99         return total_sent;
 100 }
 101
 102 uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 103                          uint16_t nb_pkts)
 104 {
 105         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue;
 106         unsigned int work_done;
 107
 108         if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 109                 dev_err(adapter, "error in cxgbe poll\n");
 110
 111         return work_done;
 112 }
 113
 114 int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
 115                         struct rte_eth_dev_info *device_info)
 116 {
 117         struct port_info *pi = eth_dev->data->dev_private;
 118         struct adapter *adapter = pi->adapter;
 119
 120         static const struct rte_eth_desc_lim cxgbe_desc_lim = {
 121                 .nb_max = CXGBE_MAX_RING_DESC_SIZE,
 122                 .nb_min = CXGBE_MIN_RING_DESC_SIZE,
 123                 .nb_align = 1,
 124         };
 125
 126         device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
 127         device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
 128         device_info->max_rx_queues = adapter->sge.max_ethqsets;
 129         device_info->max_tx_queues = adapter->sge.max_ethqsets;
 130         device_info->max_mac_addrs = 1;
 131         /* XXX: For now we support one MAC/port */
 132         device_info->max_vfs = adapter->params.arch.vfcount;
 133         device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
 134
 135         device_info->rx_queue_offload_capa = 0UL;
 136         device_info->rx_offload_capa = CXGBE_RX_OFFLOADS;
 137
 138         device_info->tx_queue_offload_capa = 0UL;
 139         device_info->tx_offload_capa = CXGBE_TX_OFFLOADS;
 140
 141         device_info->reta_size = pi->rss_size;
 142         device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN;
 143         device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL;
 144
 145         device_info->rx_desc_lim = cxgbe_desc_lim;
 146         device_info->tx_desc_lim = cxgbe_desc_lim;
 147         cxgbe_get_speed_caps(pi, &device_info->speed_capa);
 148
 149         return 0;
 150 }
 151
 152 int cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 153 {
 154         struct port_info *pi = eth_dev->data->dev_private;
 155         struct adapter *adapter = pi->adapter;
 156
 157         return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 158                              1, -1, 1, -1, false);
 159 }
 160
 161 int cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 162 {
 163         struct port_info *pi = eth_dev->data->dev_private;
 164         struct adapter *adapter = pi->adapter;
 165
 166         return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 167                              0, -1, 1, -1, false);
 168 }
 169
 170 int cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 171 {
 172         struct port_info *pi = eth_dev->data->dev_private;
 173         struct adapter *adapter = pi->adapter;
 174
 175         /* TODO: address filters ?? */
 176
 177         return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 178                              -1, 1, 1, -1, false);
 179 }
 180
 181 int cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 182 {
 183         struct port_info *pi = eth_dev->data->dev_private;
 184         struct adapter *adapter = pi->adapter;
 185
 186         /* TODO: address filters ?? */
 187
 188         return t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 189                              -1, 0, 1, -1, false);
 190 }
 191
 192 int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
 193                           int wait_to_complete)
 194 {
 195         struct port_info *pi = eth_dev->data->dev_private;
 196         struct adapter *adapter = pi->adapter;
 197         struct sge *s = &adapter->sge;
 198         struct rte_eth_link new_link = { 0 };
 199         unsigned int i, work_done, budget = 32;
 200         u8 old_link = pi->link_cfg.link_ok;
 201
 202         for (i = 0; i < CXGBE_LINK_STATUS_POLL_CNT; i++) {
 203                 if (!s->fw_evtq.desc)
 204                         break;
 205
 206                 cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
 207
 208                 /* Exit if link status changed or always forced up */
 209                 if (pi->link_cfg.link_ok != old_link ||
 210                     cxgbe_force_linkup(adapter))
 211                         break;
 212
 213                 if (!wait_to_complete)
 214                         break;
 215
 216                 rte_delay_ms(CXGBE_LINK_STATUS_POLL_MS);
 217         }
 218
 219         new_link.link_status = cxgbe_force_linkup(adapter) ?
 220                                ETH_LINK_UP : pi->link_cfg.link_ok;
 221         new_link.link_autoneg = pi->link_cfg.autoneg;
 222         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 223         new_link.link_speed = pi->link_cfg.speed;
 224
 225         return rte_eth_linkstatus_set(eth_dev, &new_link);
 226 }
 227
 228 /**
 229  * Set device link up.
 230  */
 231 int cxgbe_dev_set_link_up(struct rte_eth_dev *dev)
 232 {
 233         struct port_info *pi = dev->data->dev_private;
 234         struct adapter *adapter = pi->adapter;
 235         unsigned int work_done, budget = 32;
 236         struct sge *s = &adapter->sge;
 237         int ret;
 238
 239         if (!s->fw_evtq.desc)
 240                 return -ENOMEM;
 241
 242         /* Flush all link events */
 243         cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
 244
 245         /* If link already up, nothing to do */
 246         if (pi->link_cfg.link_ok)
 247                 return 0;
 248
 249         ret = cxgbe_set_link_status(pi, true);
 250         if (ret)
 251                 return ret;
 252
 253         cxgbe_dev_link_update(dev, 1);
 254         return 0;
 255 }
 256
 257 /**
 258  * Set device link down.
 259  */
 260 int cxgbe_dev_set_link_down(struct rte_eth_dev *dev)
 261 {
 262         struct port_info *pi = dev->data->dev_private;
 263         struct adapter *adapter = pi->adapter;
 264         unsigned int work_done, budget = 32;
 265         struct sge *s = &adapter->sge;
 266         int ret;
 267
 268         if (!s->fw_evtq.desc)
 269                 return -ENOMEM;
 270
 271         /* Flush all link events */
 272         cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
 273
 274         /* If link already down, nothing to do */
 275         if (!pi->link_cfg.link_ok)
 276                 return 0;
 277
 278         ret = cxgbe_set_link_status(pi, false);
 279         if (ret)
 280                 return ret;
 281
 282         cxgbe_dev_link_update(dev, 0);
 283         return 0;
 284 }
 285
 286 int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 287 {
 288         struct port_info *pi = eth_dev->data->dev_private;
 289         struct adapter *adapter = pi->adapter;
 290         struct rte_eth_dev_info dev_info;
 291         int err;
 292         uint16_t new_mtu = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
 293
 294         err = cxgbe_dev_info_get(eth_dev, &dev_info);
 295         if (err != 0)
 296                 return err;
 297
 298         /* Must accommodate at least RTE_ETHER_MIN_MTU */
 299         if (new_mtu < RTE_ETHER_MIN_MTU || new_mtu > dev_info.max_rx_pktlen)
 300                 return -EINVAL;
 301
 302         /* set to jumbo mode if needed */
 303         if (new_mtu > RTE_ETHER_MAX_LEN)
 304                 eth_dev->data->dev_conf.rxmode.offloads |=
 305                         DEV_RX_OFFLOAD_JUMBO_FRAME;
 306         else
 307                 eth_dev->data->dev_conf.rxmode.offloads &=
 308                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 309
 310         err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
 311                             -1, -1, true);
 312         if (!err)
 313                 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
 314
 315         return err;
 316 }
 317
 318 /*
 319  * Stop device.
 320  */
 321 int cxgbe_dev_close(struct rte_eth_dev *eth_dev)
 322 {
 323         struct port_info *temp_pi, *pi = eth_dev->data->dev_private;
 324         struct adapter *adapter = pi->adapter;
 325         u8 i;
 326
 327         CXGBE_FUNC_TRACE();
 328
 329         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 330                 return 0;
 331
 332         if (!(adapter->flags & FULL_INIT_DONE))
 333                 return 0;
 334
 335         if (!pi->viid)
 336                 return 0;
 337
 338         cxgbe_down(pi);
 339         t4_sge_eth_release_queues(pi);
 340         t4_free_vi(adapter, adapter->mbox, adapter->pf, 0, pi->viid);
 341         pi->viid = 0;
 342
 343         /* Free up the adapter-wide resources only after all the ports
 344          * under this PF have been closed.
 345          */
 346         for_each_port(adapter, i) {
 347                 temp_pi = adap2pinfo(adapter, i);
 348                 if (temp_pi->viid)
 349                         return 0;
 350         }
 351
 352         cxgbe_close(adapter);
 353         rte_free(adapter);
 354
 355         return 0;
 356 }
 357
 358 /* Start the device.
 359  * It returns 0 on success.
 360  */
 361 int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
 362 {
 363         struct port_info *pi = eth_dev->data->dev_private;
 364         struct rte_eth_rxmode *rx_conf = &eth_dev->data->dev_conf.rxmode;
 365         struct adapter *adapter = pi->adapter;
 366         int err = 0, i;
 367
 368         CXGBE_FUNC_TRACE();
 369
 370         /*
 371          * If we don't have a connection to the firmware there's nothing we
 372          * can do.
 373          */
 374         if (!(adapter->flags & FW_OK)) {
 375                 err = -ENXIO;
 376                 goto out;
 377         }
 378
 379         if (!(adapter->flags & FULL_INIT_DONE)) {
 380                 err = cxgbe_up(adapter);
 381                 if (err < 0)
 382                         goto out;
 383         }
 384
 385         if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)
 386                 eth_dev->data->scattered_rx = 1;
 387         else
 388                 eth_dev->data->scattered_rx = 0;
 389
 390         cxgbe_enable_rx_queues(pi);
 391
 392         err = cxgbe_setup_rss(pi);
 393         if (err)
 394                 goto out;
 395
 396         for (i = 0; i < pi->n_tx_qsets; i++) {
 397                 err = cxgbe_dev_tx_queue_start(eth_dev, i);
 398                 if (err)
 399                         goto out;
 400         }
 401
 402         for (i = 0; i < pi->n_rx_qsets; i++) {
 403                 err = cxgbe_dev_rx_queue_start(eth_dev, i);
 404                 if (err)
 405                         goto out;
 406         }
 407
 408         err = cxgbe_link_start(pi);
 409         if (err)
 410                 goto out;
 411
 412 out:
 413         return err;
 414 }
 415
 416 /*
 417  * Stop device: disable rx and tx functions to allow for reconfiguring.
 418  */
 419 void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
 420 {
 421         struct port_info *pi = eth_dev->data->dev_private;
 422         struct adapter *adapter = pi->adapter;
 423
 424         CXGBE_FUNC_TRACE();
 425
 426         if (!(adapter->flags & FULL_INIT_DONE))
 427                 return;
 428
 429         cxgbe_down(pi);
 430
 431         /*
 432          *  We clear queues only if both tx and rx path of the port
 433          *  have been disabled
 434          */
 435         t4_sge_eth_clear_queues(pi);
 436         eth_dev->data->scattered_rx = 0;
 437 }
 438
 439 int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
 440 {
 441         struct port_info *pi = eth_dev->data->dev_private;
 442         struct adapter *adapter = pi->adapter;
 443         int err;
 444
 445         CXGBE_FUNC_TRACE();
 446
 447         if (eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
 448                 eth_dev->data->dev_conf.rxmode.offloads |=
 449                         DEV_RX_OFFLOAD_RSS_HASH;
 450
 451         if (!(adapter->flags & FW_QUEUE_BOUND)) {
 452                 err = cxgbe_setup_sge_fwevtq(adapter);
 453                 if (err)
 454                         return err;
 455                 adapter->flags |= FW_QUEUE_BOUND;
 456                 if (is_pf4(adapter)) {
 457                         err = cxgbe_setup_sge_ctrl_txq(adapter);
 458                         if (err)
 459                                 return err;
 460                 }
 461         }
 462
 463         err = cxgbe_cfg_queue_count(eth_dev);
 464         if (err)
 465                 return err;
 466
 467         return 0;
 468 }
 469
 470 int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
 471 {
 472         int ret;
 473         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 474                                   (eth_dev->data->tx_queues[tx_queue_id]);
 475
 476         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 477
 478         ret = t4_sge_eth_txq_start(txq);
 479         if (ret == 0)
 480                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 481
 482         return ret;
 483 }
 484
 485 int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
 486 {
 487         int ret;
 488         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 489                                   (eth_dev->data->tx_queues[tx_queue_id]);
 490
 491         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 492
 493         ret = t4_sge_eth_txq_stop(txq);
 494         if (ret == 0)
 495                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 496
 497         return ret;
 498 }
 499
 500 int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 501                              uint16_t queue_idx, uint16_t nb_desc,
 502                              unsigned int socket_id,
 503                              const struct rte_eth_txconf *tx_conf __rte_unused)
 504 {
 505         struct port_info *pi = eth_dev->data->dev_private;
 506         struct adapter *adapter = pi->adapter;
 507         struct sge *s = &adapter->sge;
 508         unsigned int temp_nb_desc;
 509         struct sge_eth_txq *txq;
 510         int err = 0;
 511
 512         txq = &s->ethtxq[pi->first_txqset + queue_idx];
 513         dev_debug(adapter, "%s: eth_dev->data->nb_tx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; pi->first_qset = %u\n",
 514                   __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
 515                   socket_id, pi->first_txqset);
 516
 517         /*  Free up the existing queue  */
 518         if (eth_dev->data->tx_queues[queue_idx]) {
 519                 cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
 520                 eth_dev->data->tx_queues[queue_idx] = NULL;
 521         }
 522
 523         eth_dev->data->tx_queues[queue_idx] = (void *)txq;
 524
 525         /* Sanity Checking
 526          *
 527          * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
 528          */
 529         temp_nb_desc = nb_desc;
 530         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 531                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 532                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 533                          CXGBE_DEFAULT_TX_DESC_SIZE);
 534                 temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
 535         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 536                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 537                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 538                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
 539                 return -(EINVAL);
 540         }
 541
 542         txq->q.size = temp_nb_desc;
 543
 544         err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
 545                                    s->fw_evtq.cntxt_id, socket_id);
 546
 547         dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n",
 548                   __func__, txq->q.cntxt_id, txq->q.abs_id, err);
 549         return err;
 550 }
 551
 552 void cxgbe_dev_tx_queue_release(void *q)
 553 {
 554         struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
 555
 556         if (txq) {
 557                 struct port_info *pi = (struct port_info *)
 558                                        (txq->eth_dev->data->dev_private);
 559                 struct adapter *adap = pi->adapter;
 560
 561                 dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
 562                           __func__, pi->port_id, txq->q.cntxt_id);
 563
 564                 t4_sge_eth_txq_release(adap, txq);
 565         }
 566 }
 567
 568 int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 569 {
 570         struct port_info *pi = eth_dev->data->dev_private;
 571         struct adapter *adap = pi->adapter;
 572         struct sge_eth_rxq *rxq;
 573         int ret;
 574
 575         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 576                   __func__, pi->port_id, rx_queue_id);
 577
 578         rxq = eth_dev->data->rx_queues[rx_queue_id];
 579         ret = t4_sge_eth_rxq_start(adap, rxq);
 580         if (ret == 0)
 581                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 582
 583         return ret;
 584 }
 585
 586 int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 587 {
 588         struct port_info *pi = eth_dev->data->dev_private;
 589         struct adapter *adap = pi->adapter;
 590         struct sge_eth_rxq *rxq;
 591         int ret;
 592
 593         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 594                   __func__, pi->port_id, rx_queue_id);
 595
 596         rxq = eth_dev->data->rx_queues[rx_queue_id];
 597         ret = t4_sge_eth_rxq_stop(adap, rxq);
 598         if (ret == 0)
 599                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 600
 601         return ret;
 602 }
 603
 604 int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 605                              uint16_t queue_idx, uint16_t nb_desc,
 606                              unsigned int socket_id,
 607                              const struct rte_eth_rxconf *rx_conf __rte_unused,
 608                              struct rte_mempool *mp)
 609 {
 610         unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
 611         struct port_info *pi = eth_dev->data->dev_private;
 612         struct adapter *adapter = pi->adapter;
 613         struct rte_eth_dev_info dev_info;
 614         struct sge *s = &adapter->sge;
 615         unsigned int temp_nb_desc;
 616         int err = 0, msi_idx = 0;
 617         struct sge_eth_rxq *rxq;
 618
 619         rxq = &s->ethrxq[pi->first_rxqset + queue_idx];
 620         dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
 621                   __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
 622                   socket_id, mp);
 623
 624         err = cxgbe_dev_info_get(eth_dev, &dev_info);
 625         if (err != 0) {
 626                 dev_err(adap, "%s: error during getting ethernet device info",
 627                         __func__);
 628                 return err;
 629         }
 630
 631         /* Must accommodate at least RTE_ETHER_MIN_MTU */
 632         if ((pkt_len < dev_info.min_rx_bufsize) ||
 633             (pkt_len > dev_info.max_rx_pktlen)) {
 634                 dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
 635                         __func__, dev_info.min_rx_bufsize,
 636                         dev_info.max_rx_pktlen);
 637                 return -EINVAL;
 638         }
 639
 640         /*  Free up the existing queue  */
 641         if (eth_dev->data->rx_queues[queue_idx]) {
 642                 cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
 643                 eth_dev->data->rx_queues[queue_idx] = NULL;
 644         }
 645
 646         eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
 647
 648         /* Sanity Checking
 649          *
 650          * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
 651          */
 652         temp_nb_desc = nb_desc;
 653         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 654                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 655                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 656                          CXGBE_DEFAULT_RX_DESC_SIZE);
 657                 temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
 658         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 659                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 660                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 661                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
 662                 return -(EINVAL);
 663         }
 664
 665         rxq->rspq.size = temp_nb_desc;
 666         if ((&rxq->fl) != NULL)
 667                 rxq->fl.size = temp_nb_desc;
 668
 669         /* Set to jumbo mode if necessary */
 670         if (pkt_len > RTE_ETHER_MAX_LEN)
 671                 eth_dev->data->dev_conf.rxmode.offloads |=
 672                         DEV_RX_OFFLOAD_JUMBO_FRAME;
 673         else
 674                 eth_dev->data->dev_conf.rxmode.offloads &=
 675                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 676
 677         err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
 678                                &rxq->fl, NULL,
 679                                is_pf4(adapter) ?
 680                                t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp,
 681                                queue_idx, socket_id);
 682
 683         dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n",
 684                   __func__, err, pi->port_id, rxq->rspq.cntxt_id,
 685                   rxq->rspq.abs_id);
 686         return err;
 687 }
 688
 689 void cxgbe_dev_rx_queue_release(void *q)
 690 {
 691         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
 692
 693         if (rxq) {
 694                 struct port_info *pi = (struct port_info *)
 695                                        (rxq->rspq.eth_dev->data->dev_private);
 696                 struct adapter *adap = pi->adapter;
 697
 698                 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 699                           __func__, pi->port_id, rxq->rspq.cntxt_id);
 700
 701                 t4_sge_eth_rxq_release(adap, rxq);
 702         }
 703 }
 704
 705 /*
 706  * Get port statistics.
 707  */
 708 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
 709                                 struct rte_eth_stats *eth_stats)
 710 {
 711         struct port_info *pi = eth_dev->data->dev_private;
 712         struct adapter *adapter = pi->adapter;
 713         struct sge *s = &adapter->sge;
 714         struct port_stats ps;
 715         unsigned int i;
 716
 717         cxgbe_stats_get(pi, &ps);
 718
 719         /* RX Stats */
 720         eth_stats->imissed  = ps.rx_ovflow0 + ps.rx_ovflow1 +
 721                               ps.rx_ovflow2 + ps.rx_ovflow3 +
 722                               ps.rx_trunc0 + ps.rx_trunc1 +
 723                               ps.rx_trunc2 + ps.rx_trunc3;
 724         eth_stats->ierrors  = ps.rx_symbol_err + ps.rx_fcs_err +
 725                               ps.rx_jabber + ps.rx_too_long + ps.rx_runt +
 726                               ps.rx_len_err;
 727
 728         /* TX Stats */
 729         eth_stats->opackets = ps.tx_frames;
 730         eth_stats->obytes   = ps.tx_octets;
 731         eth_stats->oerrors  = ps.tx_error_frames;
 732
 733         for (i = 0; i < pi->n_rx_qsets; i++) {
 734                 struct sge_eth_rxq *rxq =
 735                         &s->ethrxq[pi->first_rxqset + i];
 736
 737                 eth_stats->q_ipackets[i] = rxq->stats.pkts;
 738                 eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
 739                 eth_stats->ipackets += eth_stats->q_ipackets[i];
 740                 eth_stats->ibytes += eth_stats->q_ibytes[i];
 741         }
 742
 743         for (i = 0; i < pi->n_tx_qsets; i++) {
 744                 struct sge_eth_txq *txq =
 745                         &s->ethtxq[pi->first_txqset + i];
 746
 747                 eth_stats->q_opackets[i] = txq->stats.pkts;
 748                 eth_stats->q_obytes[i] = txq->stats.tx_bytes;
 749         }
 750         return 0;
 751 }
 752
 753 /*
 754  * Reset port statistics.
 755  */
 756 static int cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
 757 {
 758         struct port_info *pi = eth_dev->data->dev_private;
 759         struct adapter *adapter = pi->adapter;
 760         struct sge *s = &adapter->sge;
 761         unsigned int i;
 762
 763         cxgbe_stats_reset(pi);
 764         for (i = 0; i < pi->n_rx_qsets; i++) {
 765                 struct sge_eth_rxq *rxq =
 766                         &s->ethrxq[pi->first_rxqset + i];
 767
 768                 rxq->stats.pkts = 0;
 769                 rxq->stats.rx_bytes = 0;
 770         }
 771         for (i = 0; i < pi->n_tx_qsets; i++) {
 772                 struct sge_eth_txq *txq =
 773                         &s->ethtxq[pi->first_txqset + i];
 774
 775                 txq->stats.pkts = 0;
 776                 txq->stats.tx_bytes = 0;
 777                 txq->stats.mapping_err = 0;
 778         }
 779
 780         return 0;
 781 }
 782
 783 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 784                                struct rte_eth_fc_conf *fc_conf)
 785 {
 786         struct port_info *pi = eth_dev->data->dev_private;
 787         struct link_config *lc = &pi->link_cfg;
 788         int rx_pause, tx_pause;
 789
 790         fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
 791         rx_pause = lc->fc & PAUSE_RX;
 792         tx_pause = lc->fc & PAUSE_TX;
 793
 794         if (rx_pause && tx_pause)
 795                 fc_conf->mode = RTE_FC_FULL;
 796         else if (rx_pause)
 797                 fc_conf->mode = RTE_FC_RX_PAUSE;
 798         else if (tx_pause)
 799                 fc_conf->mode = RTE_FC_TX_PAUSE;
 800         else
 801                 fc_conf->mode = RTE_FC_NONE;
 802         return 0;
 803 }
 804
 805 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 806                                struct rte_eth_fc_conf *fc_conf)
 807 {
 808         struct port_info *pi = eth_dev->data->dev_private;
 809         struct adapter *adapter = pi->adapter;
 810         struct link_config *lc = &pi->link_cfg;
 811
 812         if (lc->pcaps & FW_PORT_CAP32_ANEG) {
 813                 if (fc_conf->autoneg)
 814                         lc->requested_fc |= PAUSE_AUTONEG;
 815                 else
 816                         lc->requested_fc &= ~PAUSE_AUTONEG;
 817         }
 818
 819         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 820             (fc_conf->mode & RTE_FC_RX_PAUSE))
 821                 lc->requested_fc |= PAUSE_RX;
 822         else
 823                 lc->requested_fc &= ~PAUSE_RX;
 824
 825         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 826             (fc_conf->mode & RTE_FC_TX_PAUSE))
 827                 lc->requested_fc |= PAUSE_TX;
 828         else
 829                 lc->requested_fc &= ~PAUSE_TX;
 830
 831         return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
 832                              &pi->link_cfg);
 833 }
 834
 835 const uint32_t *
 836 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
 837 {
 838         static const uint32_t ptypes[] = {
 839                 RTE_PTYPE_L3_IPV4,
 840                 RTE_PTYPE_L3_IPV6,
 841                 RTE_PTYPE_UNKNOWN
 842         };
 843
 844         if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts)
 845                 return ptypes;
 846         return NULL;
 847 }
 848
 849 /* Update RSS hash configuration
 850  */
 851 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
 852                                      struct rte_eth_rss_conf *rss_conf)
 853 {
 854         struct port_info *pi = dev->data->dev_private;
 855         struct adapter *adapter = pi->adapter;
 856         int err;
 857
 858         err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
 859         if (err)
 860                 return err;
 861
 862         pi->rss_hf = rss_conf->rss_hf;
 863
 864         if (rss_conf->rss_key) {
 865                 u32 key[10], mod_key[10];
 866                 int i, j;
 867
 868                 memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 869
 870                 for (i = 9, j = 0; i >= 0; i--, j++)
 871                         mod_key[j] = cpu_to_be32(key[i]);
 872
 873                 t4_write_rss_key(adapter, mod_key, -1);
 874         }
 875
 876         return 0;
 877 }
 878
 879 /* Get RSS hash configuration
 880  */
 881 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 882                                        struct rte_eth_rss_conf *rss_conf)
 883 {
 884         struct port_info *pi = dev->data->dev_private;
 885         struct adapter *adapter = pi->adapter;
 886         u64 rss_hf = 0;
 887         u64 flags = 0;
 888         int err;
 889
 890         err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
 891                                     &flags, NULL);
 892
 893         if (err)
 894                 return err;
 895
 896         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
 897                 rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK;
 898                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 899                         rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK;
 900         }
 901
 902         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
 903                 rss_hf |= CXGBE_RSS_HF_IPV6_MASK;
 904
 905         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
 906                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 907                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 908                         rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 909         }
 910
 911         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
 912                 rss_hf |= CXGBE_RSS_HF_IPV4_MASK;
 913
 914         rss_conf->rss_hf = rss_hf;
 915
 916         if (rss_conf->rss_key) {
 917                 u32 key[10], mod_key[10];
 918                 int i, j;
 919
 920                 t4_read_rss_key(adapter, key);
 921
 922                 for (i = 9, j = 0; i >= 0; i--, j++)
 923                         mod_key[j] = be32_to_cpu(key[i]);
 924
 925                 memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 926         }
 927
 928         return 0;
 929 }
 930
 931 static int cxgbe_dev_rss_reta_update(struct rte_eth_dev *dev,
 932                                      struct rte_eth_rss_reta_entry64 *reta_conf,
 933                                      uint16_t reta_size)
 934 {
 935         struct port_info *pi = dev->data->dev_private;
 936         struct adapter *adapter = pi->adapter;
 937         u16 i, idx, shift, *rss;
 938         int ret;
 939
 940         if (!(adapter->flags & FULL_INIT_DONE))
 941                 return -ENOMEM;
 942
 943         if (!reta_size || reta_size > pi->rss_size)
 944                 return -EINVAL;
 945
 946         rss = rte_calloc(NULL, pi->rss_size, sizeof(u16), 0);
 947         if (!rss)
 948                 return -ENOMEM;
 949
 950         rte_memcpy(rss, pi->rss, pi->rss_size * sizeof(u16));
 951         for (i = 0; i < reta_size; i++) {
 952                 idx = i / RTE_RETA_GROUP_SIZE;
 953                 shift = i % RTE_RETA_GROUP_SIZE;
 954                 if (!(reta_conf[idx].mask & (1ULL << shift)))
 955                         continue;
 956
 957                 rss[i] = reta_conf[idx].reta[shift];
 958         }
 959
 960         ret = cxgbe_write_rss(pi, rss);
 961         if (!ret)
 962                 rte_memcpy(pi->rss, rss, pi->rss_size * sizeof(u16));
 963
 964         rte_free(rss);
 965         return ret;
 966 }
 967
 968 static int cxgbe_dev_rss_reta_query(struct rte_eth_dev *dev,
 969                                     struct rte_eth_rss_reta_entry64 *reta_conf,
 970                                     uint16_t reta_size)
 971 {
 972         struct port_info *pi = dev->data->dev_private;
 973         struct adapter *adapter = pi->adapter;
 974         u16 i, idx, shift;
 975
 976         if (!(adapter->flags & FULL_INIT_DONE))
 977                 return -ENOMEM;
 978
 979         if (!reta_size || reta_size > pi->rss_size)
 980                 return -EINVAL;
 981
 982         for (i = 0; i < reta_size; i++) {
 983                 idx = i / RTE_RETA_GROUP_SIZE;
 984                 shift = i % RTE_RETA_GROUP_SIZE;
 985                 if (!(reta_conf[idx].mask & (1ULL << shift)))
 986                         continue;
 987
 988                 reta_conf[idx].reta[shift] = pi->rss[i];
 989         }
 990
 991         return 0;
 992 }
 993
 994 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev)
 995 {
 996         RTE_SET_USED(dev);
 997         return EEPROMSIZE;
 998 }
 999
1000 /**
1001  * eeprom_ptov - translate a physical EEPROM address to virtual
1002  * @phys_addr: the physical EEPROM address
1003  * @fn: the PCI function number
1004  * @sz: size of function-specific area
1005  *
1006  * Translate a physical EEPROM address to virtual.  The first 1K is
1007  * accessed through virtual addresses starting at 31K, the rest is
1008  * accessed through virtual addresses starting at 0.
1009  *
1010  * The mapping is as follows:
1011  * [0..1K) -> [31K..32K)
1012  * [1K..1K+A) -> [31K-A..31K)
1013  * [1K+A..ES) -> [0..ES-A-1K)
1014  *
1015  * where A = @fn * @sz, and ES = EEPROM size.
1016  */
1017 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
1018 {
1019         fn *= sz;
1020         if (phys_addr < 1024)
1021                 return phys_addr + (31 << 10);
1022         if (phys_addr < 1024 + fn)
1023                 return fn + phys_addr - 1024;
1024         if (phys_addr < EEPROMSIZE)
1025                 return phys_addr - 1024 - fn;
1026         if (phys_addr < EEPROMVSIZE)
1027                 return phys_addr - 1024;
1028         return -EINVAL;
1029 }
1030
1031 /* The next two routines implement eeprom read/write from physical addresses.
1032  */
1033 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
1034 {
1035         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1036
1037         if (vaddr >= 0)
1038                 vaddr = t4_seeprom_read(adap, vaddr, v);
1039         return vaddr < 0 ? vaddr : 0;
1040 }
1041
1042 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
1043 {
1044         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
1045
1046         if (vaddr >= 0)
1047                 vaddr = t4_seeprom_write(adap, vaddr, v);
1048         return vaddr < 0 ? vaddr : 0;
1049 }
1050
1051 #define EEPROM_MAGIC 0x38E2F10C
1052
1053 static int cxgbe_get_eeprom(struct rte_eth_dev *dev,
1054                             struct rte_dev_eeprom_info *e)
1055 {
1056         struct port_info *pi = dev->data->dev_private;
1057         struct adapter *adapter = pi->adapter;
1058         u32 i, err = 0;
1059         u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0);
1060
1061         if (!buf)
1062                 return -ENOMEM;
1063
1064         e->magic = EEPROM_MAGIC;
1065         for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4)
1066                 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
1067
1068         if (!err)
1069                 rte_memcpy(e->data, buf + e->offset, e->length);
1070         rte_free(buf);
1071         return err;
1072 }
1073
1074 static int cxgbe_set_eeprom(struct rte_eth_dev *dev,
1075                             struct rte_dev_eeprom_info *eeprom)
1076 {
1077         struct port_info *pi = dev->data->dev_private;
1078         struct adapter *adapter = pi->adapter;
1079         u8 *buf;
1080         int err = 0;
1081         u32 aligned_offset, aligned_len, *p;
1082
1083         if (eeprom->magic != EEPROM_MAGIC)
1084                 return -EINVAL;
1085
1086         aligned_offset = eeprom->offset & ~3;
1087         aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3;
1088
1089         if (adapter->pf > 0) {
1090                 u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1091
1092                 if (aligned_offset < start ||
1093                     aligned_offset + aligned_len > start + EEPROMPFSIZE)
1094                         return -EPERM;
1095         }
1096
1097         if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) {
1098                 /* RMW possibly needed for first or last words.
1099                  */
1100                 buf = rte_zmalloc(NULL, aligned_len, 0);
1101                 if (!buf)
1102                         return -ENOMEM;
1103                 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1104                 if (!err && aligned_len > 4)
1105                         err = eeprom_rd_phys(adapter,
1106                                              aligned_offset + aligned_len - 4,
1107                                              (u32 *)&buf[aligned_len - 4]);
1108                 if (err)
1109                         goto out;
1110                 rte_memcpy(buf + (eeprom->offset & 3), eeprom->data,
1111                            eeprom->length);
1112         } else {
1113                 buf = eeprom->data;
1114         }
1115
1116         err = t4_seeprom_wp(adapter, false);
1117         if (err)
1118                 goto out;
1119
1120         for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1121                 err = eeprom_wr_phys(adapter, aligned_offset, *p);
1122                 aligned_offset += 4;
1123         }
1124
1125         if (!err)
1126                 err = t4_seeprom_wp(adapter, true);
1127 out:
1128         if (buf != eeprom->data)
1129                 rte_free(buf);
1130         return err;
1131 }
1132
1133 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev)
1134 {
1135         struct port_info *pi = eth_dev->data->dev_private;
1136         struct adapter *adapter = pi->adapter;
1137
1138         return t4_get_regs_len(adapter) / sizeof(uint32_t);
1139 }
1140
1141 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev,
1142                           struct rte_dev_reg_info *regs)
1143 {
1144         struct port_info *pi = eth_dev->data->dev_private;
1145         struct adapter *adapter = pi->adapter;
1146
1147         regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) |
1148                 (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) |
1149                 (1 << 16);
1150
1151         if (regs->data == NULL) {
1152                 regs->length = cxgbe_get_regs_len(eth_dev);
1153                 regs->width = sizeof(uint32_t);
1154
1155                 return 0;
1156         }
1157
1158         t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t)));
1159
1160         return 0;
1161 }
1162
1163 int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
1164 {
1165         struct port_info *pi = dev->data->dev_private;
1166         int ret;
1167
1168         ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, (u8 *)addr);
1169         if (ret < 0) {
1170                 dev_err(adapter, "failed to set mac addr; err = %d\n",
1171                         ret);
1172                 return ret;
1173         }
1174         pi->xact_addr_filt = ret;
1175         return 0;
1176 }
1177
1178 static const struct eth_dev_ops cxgbe_eth_dev_ops = {
1179         .dev_start              = cxgbe_dev_start,
1180         .dev_stop               = cxgbe_dev_stop,
1181         .dev_close              = cxgbe_dev_close,
1182         .promiscuous_enable     = cxgbe_dev_promiscuous_enable,
1183         .promiscuous_disable    = cxgbe_dev_promiscuous_disable,
1184         .allmulticast_enable    = cxgbe_dev_allmulticast_enable,
1185         .allmulticast_disable   = cxgbe_dev_allmulticast_disable,
1186         .dev_configure          = cxgbe_dev_configure,
1187         .dev_infos_get          = cxgbe_dev_info_get,
1188         .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
1189         .link_update            = cxgbe_dev_link_update,
1190         .dev_set_link_up        = cxgbe_dev_set_link_up,
1191         .dev_set_link_down      = cxgbe_dev_set_link_down,
1192         .mtu_set                = cxgbe_dev_mtu_set,
1193         .tx_queue_setup         = cxgbe_dev_tx_queue_setup,
1194         .tx_queue_start         = cxgbe_dev_tx_queue_start,
1195         .tx_queue_stop          = cxgbe_dev_tx_queue_stop,
1196         .tx_queue_release       = cxgbe_dev_tx_queue_release,
1197         .rx_queue_setup         = cxgbe_dev_rx_queue_setup,
1198         .rx_queue_start         = cxgbe_dev_rx_queue_start,
1199         .rx_queue_stop          = cxgbe_dev_rx_queue_stop,
1200         .rx_queue_release       = cxgbe_dev_rx_queue_release,
1201         .filter_ctrl            = cxgbe_dev_filter_ctrl,
1202         .stats_get              = cxgbe_dev_stats_get,
1203         .stats_reset            = cxgbe_dev_stats_reset,
1204         .flow_ctrl_get          = cxgbe_flow_ctrl_get,
1205         .flow_ctrl_set          = cxgbe_flow_ctrl_set,
1206         .get_eeprom_length      = cxgbe_get_eeprom_length,
1207         .get_eeprom             = cxgbe_get_eeprom,
1208         .set_eeprom             = cxgbe_set_eeprom,
1209         .get_reg                = cxgbe_get_regs,
1210         .rss_hash_update        = cxgbe_dev_rss_hash_update,
1211         .rss_hash_conf_get      = cxgbe_dev_rss_hash_conf_get,
1212         .mac_addr_set           = cxgbe_mac_addr_set,
1213         .reta_update            = cxgbe_dev_rss_reta_update,
1214         .reta_query             = cxgbe_dev_rss_reta_query,
1215 };
1216
1217 /*
1218  * Initialize driver
1219  * It returns 0 on success.
1220  */
1221 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev)
1222 {
1223         struct rte_pci_device *pci_dev;
1224         struct port_info *pi = eth_dev->data->dev_private;
1225         struct adapter *adapter = NULL;
1226         char name[RTE_ETH_NAME_MAX_LEN];
1227         int err = 0;
1228
1229         CXGBE_FUNC_TRACE();
1230
1231         eth_dev->dev_ops = &cxgbe_eth_dev_ops;
1232         eth_dev->rx_pkt_burst = &cxgbe_recv_pkts;
1233         eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts;
1234         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1235
1236         /* for secondary processes, we attach to ethdevs allocated by primary
1237          * and do minimal initialization.
1238          */
1239         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1240                 int i;
1241
1242                 for (i = 1; i < MAX_NPORTS; i++) {
1243                         struct rte_eth_dev *rest_eth_dev;
1244                         char namei[RTE_ETH_NAME_MAX_LEN];
1245
1246                         snprintf(namei, sizeof(namei), "%s_%d",
1247                                  pci_dev->device.name, i);
1248                         rest_eth_dev = rte_eth_dev_attach_secondary(namei);
1249                         if (rest_eth_dev) {
1250                                 rest_eth_dev->device = &pci_dev->device;
1251                                 rest_eth_dev->dev_ops =
1252                                         eth_dev->dev_ops;
1253                                 rest_eth_dev->rx_pkt_burst =
1254                                         eth_dev->rx_pkt_burst;
1255                                 rest_eth_dev->tx_pkt_burst =
1256                                         eth_dev->tx_pkt_burst;
1257                                 rte_eth_dev_probing_finish(rest_eth_dev);
1258                         }
1259                 }
1260                 return 0;
1261         }
1262
1263         snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id);
1264         adapter = rte_zmalloc(name, sizeof(*adapter), 0);
1265         if (!adapter)
1266                 return -1;
1267
1268         adapter->use_unpacked_mode = 1;
1269         adapter->regs = (void *)pci_dev->mem_resource[0].addr;
1270         if (!adapter->regs) {
1271                 dev_err(adapter, "%s: cannot map device registers\n", __func__);
1272                 err = -ENOMEM;
1273                 goto out_free_adapter;
1274         }
1275         adapter->pdev = pci_dev;
1276         adapter->eth_dev = eth_dev;
1277         pi->adapter = adapter;
1278
1279         cxgbe_process_devargs(adapter);
1280
1281         err = cxgbe_probe(adapter);
1282         if (err) {
1283                 dev_err(adapter, "%s: cxgbe probe failed with err %d\n",
1284                         __func__, err);
1285                 goto out_free_adapter;
1286         }
1287
1288         return 0;
1289
1290 out_free_adapter:
1291         rte_free(adapter);
1292         return err;
1293 }
1294
1295 static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev)
1296 {
1297         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1298         uint16_t port_id;
1299
1300         /* Free up other ports and all resources */
1301         RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device)
1302                 rte_eth_dev_close(port_id);
1303
1304         return 0;
1305 }
1306
1307 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1308         struct rte_pci_device *pci_dev)
1309 {
1310         return rte_eth_dev_pci_generic_probe(pci_dev,
1311                 sizeof(struct port_info), eth_cxgbe_dev_init);
1312 }
1313
1314 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev)
1315 {
1316         return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit);
1317 }
1318
1319 static struct rte_pci_driver rte_cxgbe_pmd = {
1320         .id_table = cxgb4_pci_tbl,
1321         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1322         .probe = eth_cxgbe_pci_probe,
1323         .remove = eth_cxgbe_pci_remove,
1324 };
1325
1326 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd);
1327 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl);
1328 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci");
1329 RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe,
1330                               CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> "
1331                               CXGBE_DEVARG_CMN_TX_MODE_LATENCY "=<0|1> "
1332                               CXGBE_DEVARG_PF_FILTER_MODE "=<uint32> "
1333                               CXGBE_DEVARG_PF_FILTER_MASK "=<uint32> ");
1334 RTE_LOG_REGISTER(cxgbe_logtype, pmd.net.cxgbe, NOTICE);
1335 RTE_LOG_REGISTER(cxgbe_mbox_logtype, pmd.net.cxgbe.mbox, NOTICE);