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 int cxgbe_logtype;
  42 int cxgbe_mbox_logtype;
  43
  44 /*
  45  * Macros needed to support the PCI Device ID Table ...
  46  */
  47 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
  48         static const struct rte_pci_id cxgb4_pci_tbl[] = {
  49 #define CH_PCI_DEVICE_ID_FUNCTION 0x4
  50
  51 #define PCI_VENDOR_ID_CHELSIO 0x1425
  52
  53 #define CH_PCI_ID_TABLE_ENTRY(devid) \
  54                 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
  55
  56 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
  57                 { .vendor_id = 0, } \
  58         }
  59
  60 /*
  61  *... and the PCI ID Table itself ...
  62  */
  63 #include "base/t4_pci_id_tbl.h"
  64
  65 uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
  66                          uint16_t nb_pkts)
  67 {
  68         struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue;
  69         uint16_t pkts_sent, pkts_remain;
  70         uint16_t total_sent = 0;
  71         uint16_t idx = 0;
  72         int ret = 0;
  73
  74         t4_os_lock(&txq->txq_lock);
  75         /* free up desc from already completed tx */
  76         reclaim_completed_tx(&txq->q);
  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         t4_os_unlock(&txq->txq_lock);
  98         return total_sent;
  99 }
 100
 101 uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 102                          uint16_t nb_pkts)
 103 {
 104         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue;
 105         unsigned int work_done;
 106
 107         if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 108                 dev_err(adapter, "error in cxgbe poll\n");
 109
 110         return work_done;
 111 }
 112
 113 int cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
 114                         struct rte_eth_dev_info *device_info)
 115 {
 116         struct port_info *pi = eth_dev->data->dev_private;
 117         struct adapter *adapter = pi->adapter;
 118         int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
 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 = max_queues;
 129         device_info->max_tx_queues = max_queues;
 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 void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
 322 {
 323         struct port_info *pi = eth_dev->data->dev_private;
 324         struct adapter *adapter = pi->adapter;
 325
 326         CXGBE_FUNC_TRACE();
 327
 328         if (!(adapter->flags & FULL_INIT_DONE))
 329                 return;
 330
 331         cxgbe_down(pi);
 332
 333         /*
 334          *  We clear queues only if both tx and rx path of the port
 335          *  have been disabled
 336          */
 337         t4_sge_eth_clear_queues(pi);
 338 }
 339
 340 /* Start the device.
 341  * It returns 0 on success.
 342  */
 343 int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
 344 {
 345         struct port_info *pi = eth_dev->data->dev_private;
 346         struct rte_eth_rxmode *rx_conf = &eth_dev->data->dev_conf.rxmode;
 347         struct adapter *adapter = pi->adapter;
 348         int err = 0, i;
 349
 350         CXGBE_FUNC_TRACE();
 351
 352         /*
 353          * If we don't have a connection to the firmware there's nothing we
 354          * can do.
 355          */
 356         if (!(adapter->flags & FW_OK)) {
 357                 err = -ENXIO;
 358                 goto out;
 359         }
 360
 361         if (!(adapter->flags & FULL_INIT_DONE)) {
 362                 err = cxgbe_up(adapter);
 363                 if (err < 0)
 364                         goto out;
 365         }
 366
 367         if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)
 368                 eth_dev->data->scattered_rx = 1;
 369         else
 370                 eth_dev->data->scattered_rx = 0;
 371
 372         cxgbe_enable_rx_queues(pi);
 373
 374         err = cxgbe_setup_rss(pi);
 375         if (err)
 376                 goto out;
 377
 378         for (i = 0; i < pi->n_tx_qsets; i++) {
 379                 err = cxgbe_dev_tx_queue_start(eth_dev, i);
 380                 if (err)
 381                         goto out;
 382         }
 383
 384         for (i = 0; i < pi->n_rx_qsets; i++) {
 385                 err = cxgbe_dev_rx_queue_start(eth_dev, i);
 386                 if (err)
 387                         goto out;
 388         }
 389
 390         err = cxgbe_link_start(pi);
 391         if (err)
 392                 goto out;
 393
 394 out:
 395         return err;
 396 }
 397
 398 /*
 399  * Stop device: disable rx and tx functions to allow for reconfiguring.
 400  */
 401 void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
 402 {
 403         struct port_info *pi = eth_dev->data->dev_private;
 404         struct adapter *adapter = pi->adapter;
 405
 406         CXGBE_FUNC_TRACE();
 407
 408         if (!(adapter->flags & FULL_INIT_DONE))
 409                 return;
 410
 411         cxgbe_down(pi);
 412
 413         /*
 414          *  We clear queues only if both tx and rx path of the port
 415          *  have been disabled
 416          */
 417         t4_sge_eth_clear_queues(pi);
 418         eth_dev->data->scattered_rx = 0;
 419 }
 420
 421 int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
 422 {
 423         struct port_info *pi = eth_dev->data->dev_private;
 424         struct adapter *adapter = pi->adapter;
 425         int err;
 426
 427         CXGBE_FUNC_TRACE();
 428
 429         eth_dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
 430
 431         if (!(adapter->flags & FW_QUEUE_BOUND)) {
 432                 err = cxgbe_setup_sge_fwevtq(adapter);
 433                 if (err)
 434                         return err;
 435                 adapter->flags |= FW_QUEUE_BOUND;
 436                 if (is_pf4(adapter)) {
 437                         err = cxgbe_setup_sge_ctrl_txq(adapter);
 438                         if (err)
 439                                 return err;
 440                 }
 441         }
 442
 443         err = cxgbe_cfg_queue_count(eth_dev);
 444         if (err)
 445                 return err;
 446
 447         return 0;
 448 }
 449
 450 int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
 451 {
 452         int ret;
 453         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 454                                   (eth_dev->data->tx_queues[tx_queue_id]);
 455
 456         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 457
 458         ret = t4_sge_eth_txq_start(txq);
 459         if (ret == 0)
 460                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 461
 462         return ret;
 463 }
 464
 465 int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t tx_queue_id)
 466 {
 467         int ret;
 468         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 469                                   (eth_dev->data->tx_queues[tx_queue_id]);
 470
 471         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 472
 473         ret = t4_sge_eth_txq_stop(txq);
 474         if (ret == 0)
 475                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 476
 477         return ret;
 478 }
 479
 480 int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 481                              uint16_t queue_idx, uint16_t nb_desc,
 482                              unsigned int socket_id,
 483                              const struct rte_eth_txconf *tx_conf __rte_unused)
 484 {
 485         struct port_info *pi = eth_dev->data->dev_private;
 486         struct adapter *adapter = pi->adapter;
 487         struct sge *s = &adapter->sge;
 488         struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx];
 489         int err = 0;
 490         unsigned int temp_nb_desc;
 491
 492         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",
 493                   __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
 494                   socket_id, pi->first_qset);
 495
 496         /*  Free up the existing queue  */
 497         if (eth_dev->data->tx_queues[queue_idx]) {
 498                 cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
 499                 eth_dev->data->tx_queues[queue_idx] = NULL;
 500         }
 501
 502         eth_dev->data->tx_queues[queue_idx] = (void *)txq;
 503
 504         /* Sanity Checking
 505          *
 506          * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
 507          */
 508         temp_nb_desc = nb_desc;
 509         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 510                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 511                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 512                          CXGBE_DEFAULT_TX_DESC_SIZE);
 513                 temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
 514         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 515                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 516                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 517                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
 518                 return -(EINVAL);
 519         }
 520
 521         txq->q.size = temp_nb_desc;
 522
 523         err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
 524                                    s->fw_evtq.cntxt_id, socket_id);
 525
 526         dev_debug(adapter, "%s: txq->q.cntxt_id= %u txq->q.abs_id= %u err = %d\n",
 527                   __func__, txq->q.cntxt_id, txq->q.abs_id, err);
 528         return err;
 529 }
 530
 531 void cxgbe_dev_tx_queue_release(void *q)
 532 {
 533         struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
 534
 535         if (txq) {
 536                 struct port_info *pi = (struct port_info *)
 537                                        (txq->eth_dev->data->dev_private);
 538                 struct adapter *adap = pi->adapter;
 539
 540                 dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
 541                           __func__, pi->port_id, txq->q.cntxt_id);
 542
 543                 t4_sge_eth_txq_release(adap, txq);
 544         }
 545 }
 546
 547 int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 548 {
 549         int ret;
 550         struct port_info *pi = eth_dev->data->dev_private;
 551         struct adapter *adap = pi->adapter;
 552         struct sge_rspq *q;
 553
 554         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 555                   __func__, pi->port_id, rx_queue_id);
 556
 557         q = eth_dev->data->rx_queues[rx_queue_id];
 558
 559         ret = t4_sge_eth_rxq_start(adap, q);
 560         if (ret == 0)
 561                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 562
 563         return ret;
 564 }
 565
 566 int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 567 {
 568         int ret;
 569         struct port_info *pi = eth_dev->data->dev_private;
 570         struct adapter *adap = pi->adapter;
 571         struct sge_rspq *q;
 572
 573         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 574                   __func__, pi->port_id, rx_queue_id);
 575
 576         q = eth_dev->data->rx_queues[rx_queue_id];
 577         ret = t4_sge_eth_rxq_stop(adap, q);
 578         if (ret == 0)
 579                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 580
 581         return ret;
 582 }
 583
 584 int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 585                              uint16_t queue_idx, uint16_t nb_desc,
 586                              unsigned int socket_id,
 587                              const struct rte_eth_rxconf *rx_conf __rte_unused,
 588                              struct rte_mempool *mp)
 589 {
 590         struct port_info *pi = eth_dev->data->dev_private;
 591         struct adapter *adapter = pi->adapter;
 592         struct sge *s = &adapter->sge;
 593         struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx];
 594         int err = 0;
 595         int msi_idx = 0;
 596         unsigned int temp_nb_desc;
 597         struct rte_eth_dev_info dev_info;
 598         unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
 599
 600         dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
 601                   __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
 602                   socket_id, mp);
 603
 604         err = cxgbe_dev_info_get(eth_dev, &dev_info);
 605         if (err != 0) {
 606                 dev_err(adap, "%s: error during getting ethernet device info",
 607                         __func__);
 608                 return err;
 609         }
 610
 611         /* Must accommodate at least RTE_ETHER_MIN_MTU */
 612         if ((pkt_len < dev_info.min_rx_bufsize) ||
 613             (pkt_len > dev_info.max_rx_pktlen)) {
 614                 dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
 615                         __func__, dev_info.min_rx_bufsize,
 616                         dev_info.max_rx_pktlen);
 617                 return -EINVAL;
 618         }
 619
 620         /*  Free up the existing queue  */
 621         if (eth_dev->data->rx_queues[queue_idx]) {
 622                 cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
 623                 eth_dev->data->rx_queues[queue_idx] = NULL;
 624         }
 625
 626         eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
 627
 628         /* Sanity Checking
 629          *
 630          * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
 631          */
 632         temp_nb_desc = nb_desc;
 633         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 634                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 635                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 636                          CXGBE_DEFAULT_RX_DESC_SIZE);
 637                 temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
 638         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 639                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 640                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 641                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
 642                 return -(EINVAL);
 643         }
 644
 645         rxq->rspq.size = temp_nb_desc;
 646         if ((&rxq->fl) != NULL)
 647                 rxq->fl.size = temp_nb_desc;
 648
 649         /* Set to jumbo mode if necessary */
 650         if (pkt_len > RTE_ETHER_MAX_LEN)
 651                 eth_dev->data->dev_conf.rxmode.offloads |=
 652                         DEV_RX_OFFLOAD_JUMBO_FRAME;
 653         else
 654                 eth_dev->data->dev_conf.rxmode.offloads &=
 655                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 656
 657         err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
 658                                &rxq->fl, NULL,
 659                                is_pf4(adapter) ?
 660                                t4_get_tp_ch_map(adapter, pi->tx_chan) : 0, mp,
 661                                queue_idx, socket_id);
 662
 663         dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u; abs_id = %u\n",
 664                   __func__, err, pi->port_id, rxq->rspq.cntxt_id,
 665                   rxq->rspq.abs_id);
 666         return err;
 667 }
 668
 669 void cxgbe_dev_rx_queue_release(void *q)
 670 {
 671         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
 672         struct sge_rspq *rq = &rxq->rspq;
 673
 674         if (rq) {
 675                 struct port_info *pi = (struct port_info *)
 676                                        (rq->eth_dev->data->dev_private);
 677                 struct adapter *adap = pi->adapter;
 678
 679                 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 680                           __func__, pi->port_id, rxq->rspq.cntxt_id);
 681
 682                 t4_sge_eth_rxq_release(adap, rxq);
 683         }
 684 }
 685
 686 /*
 687  * Get port statistics.
 688  */
 689 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
 690                                 struct rte_eth_stats *eth_stats)
 691 {
 692         struct port_info *pi = eth_dev->data->dev_private;
 693         struct adapter *adapter = pi->adapter;
 694         struct sge *s = &adapter->sge;
 695         struct port_stats ps;
 696         unsigned int i;
 697
 698         cxgbe_stats_get(pi, &ps);
 699
 700         /* RX Stats */
 701         eth_stats->imissed  = ps.rx_ovflow0 + ps.rx_ovflow1 +
 702                               ps.rx_ovflow2 + ps.rx_ovflow3 +
 703                               ps.rx_trunc0 + ps.rx_trunc1 +
 704                               ps.rx_trunc2 + ps.rx_trunc3;
 705         eth_stats->ierrors  = ps.rx_symbol_err + ps.rx_fcs_err +
 706                               ps.rx_jabber + ps.rx_too_long + ps.rx_runt +
 707                               ps.rx_len_err;
 708
 709         /* TX Stats */
 710         eth_stats->opackets = ps.tx_frames;
 711         eth_stats->obytes   = ps.tx_octets;
 712         eth_stats->oerrors  = ps.tx_error_frames;
 713
 714         for (i = 0; i < pi->n_rx_qsets; i++) {
 715                 struct sge_eth_rxq *rxq =
 716                         &s->ethrxq[pi->first_qset + i];
 717
 718                 eth_stats->q_ipackets[i] = rxq->stats.pkts;
 719                 eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
 720                 eth_stats->ipackets += eth_stats->q_ipackets[i];
 721                 eth_stats->ibytes += eth_stats->q_ibytes[i];
 722         }
 723
 724         for (i = 0; i < pi->n_tx_qsets; i++) {
 725                 struct sge_eth_txq *txq =
 726                         &s->ethtxq[pi->first_qset + i];
 727
 728                 eth_stats->q_opackets[i] = txq->stats.pkts;
 729                 eth_stats->q_obytes[i] = txq->stats.tx_bytes;
 730         }
 731         return 0;
 732 }
 733
 734 /*
 735  * Reset port statistics.
 736  */
 737 static int cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
 738 {
 739         struct port_info *pi = eth_dev->data->dev_private;
 740         struct adapter *adapter = pi->adapter;
 741         struct sge *s = &adapter->sge;
 742         unsigned int i;
 743
 744         cxgbe_stats_reset(pi);
 745         for (i = 0; i < pi->n_rx_qsets; i++) {
 746                 struct sge_eth_rxq *rxq =
 747                         &s->ethrxq[pi->first_qset + i];
 748
 749                 rxq->stats.pkts = 0;
 750                 rxq->stats.rx_bytes = 0;
 751         }
 752         for (i = 0; i < pi->n_tx_qsets; i++) {
 753                 struct sge_eth_txq *txq =
 754                         &s->ethtxq[pi->first_qset + i];
 755
 756                 txq->stats.pkts = 0;
 757                 txq->stats.tx_bytes = 0;
 758                 txq->stats.mapping_err = 0;
 759         }
 760
 761         return 0;
 762 }
 763
 764 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 765                                struct rte_eth_fc_conf *fc_conf)
 766 {
 767         struct port_info *pi = eth_dev->data->dev_private;
 768         struct link_config *lc = &pi->link_cfg;
 769         int rx_pause, tx_pause;
 770
 771         fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
 772         rx_pause = lc->fc & PAUSE_RX;
 773         tx_pause = lc->fc & PAUSE_TX;
 774
 775         if (rx_pause && tx_pause)
 776                 fc_conf->mode = RTE_FC_FULL;
 777         else if (rx_pause)
 778                 fc_conf->mode = RTE_FC_RX_PAUSE;
 779         else if (tx_pause)
 780                 fc_conf->mode = RTE_FC_TX_PAUSE;
 781         else
 782                 fc_conf->mode = RTE_FC_NONE;
 783         return 0;
 784 }
 785
 786 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 787                                struct rte_eth_fc_conf *fc_conf)
 788 {
 789         struct port_info *pi = eth_dev->data->dev_private;
 790         struct adapter *adapter = pi->adapter;
 791         struct link_config *lc = &pi->link_cfg;
 792
 793         if (lc->pcaps & FW_PORT_CAP32_ANEG) {
 794                 if (fc_conf->autoneg)
 795                         lc->requested_fc |= PAUSE_AUTONEG;
 796                 else
 797                         lc->requested_fc &= ~PAUSE_AUTONEG;
 798         }
 799
 800         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 801             (fc_conf->mode & RTE_FC_RX_PAUSE))
 802                 lc->requested_fc |= PAUSE_RX;
 803         else
 804                 lc->requested_fc &= ~PAUSE_RX;
 805
 806         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 807             (fc_conf->mode & RTE_FC_TX_PAUSE))
 808                 lc->requested_fc |= PAUSE_TX;
 809         else
 810                 lc->requested_fc &= ~PAUSE_TX;
 811
 812         return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
 813                              &pi->link_cfg);
 814 }
 815
 816 const uint32_t *
 817 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
 818 {
 819         static const uint32_t ptypes[] = {
 820                 RTE_PTYPE_L3_IPV4,
 821                 RTE_PTYPE_L3_IPV6,
 822                 RTE_PTYPE_UNKNOWN
 823         };
 824
 825         if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts)
 826                 return ptypes;
 827         return NULL;
 828 }
 829
 830 /* Update RSS hash configuration
 831  */
 832 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
 833                                      struct rte_eth_rss_conf *rss_conf)
 834 {
 835         struct port_info *pi = dev->data->dev_private;
 836         struct adapter *adapter = pi->adapter;
 837         int err;
 838
 839         err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
 840         if (err)
 841                 return err;
 842
 843         pi->rss_hf = rss_conf->rss_hf;
 844
 845         if (rss_conf->rss_key) {
 846                 u32 key[10], mod_key[10];
 847                 int i, j;
 848
 849                 memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 850
 851                 for (i = 9, j = 0; i >= 0; i--, j++)
 852                         mod_key[j] = cpu_to_be32(key[i]);
 853
 854                 t4_write_rss_key(adapter, mod_key, -1);
 855         }
 856
 857         return 0;
 858 }
 859
 860 /* Get RSS hash configuration
 861  */
 862 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 863                                        struct rte_eth_rss_conf *rss_conf)
 864 {
 865         struct port_info *pi = dev->data->dev_private;
 866         struct adapter *adapter = pi->adapter;
 867         u64 rss_hf = 0;
 868         u64 flags = 0;
 869         int err;
 870
 871         err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
 872                                     &flags, NULL);
 873
 874         if (err)
 875                 return err;
 876
 877         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
 878                 rss_hf |= CXGBE_RSS_HF_TCP_IPV6_MASK;
 879                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 880                         rss_hf |= CXGBE_RSS_HF_UDP_IPV6_MASK;
 881         }
 882
 883         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
 884                 rss_hf |= CXGBE_RSS_HF_IPV6_MASK;
 885
 886         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
 887                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 888                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 889                         rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 890         }
 891
 892         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
 893                 rss_hf |= CXGBE_RSS_HF_IPV4_MASK;
 894
 895         rss_conf->rss_hf = rss_hf;
 896
 897         if (rss_conf->rss_key) {
 898                 u32 key[10], mod_key[10];
 899                 int i, j;
 900
 901                 t4_read_rss_key(adapter, key);
 902
 903                 for (i = 9, j = 0; i >= 0; i--, j++)
 904                         mod_key[j] = be32_to_cpu(key[i]);
 905
 906                 memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 907         }
 908
 909         return 0;
 910 }
 911
 912 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev)
 913 {
 914         RTE_SET_USED(dev);
 915         return EEPROMSIZE;
 916 }
 917
 918 /**
 919  * eeprom_ptov - translate a physical EEPROM address to virtual
 920  * @phys_addr: the physical EEPROM address
 921  * @fn: the PCI function number
 922  * @sz: size of function-specific area
 923  *
 924  * Translate a physical EEPROM address to virtual.  The first 1K is
 925  * accessed through virtual addresses starting at 31K, the rest is
 926  * accessed through virtual addresses starting at 0.
 927  *
 928  * The mapping is as follows:
 929  * [0..1K) -> [31K..32K)
 930  * [1K..1K+A) -> [31K-A..31K)
 931  * [1K+A..ES) -> [0..ES-A-1K)
 932  *
 933  * where A = @fn * @sz, and ES = EEPROM size.
 934  */
 935 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
 936 {
 937         fn *= sz;
 938         if (phys_addr < 1024)
 939                 return phys_addr + (31 << 10);
 940         if (phys_addr < 1024 + fn)
 941                 return fn + phys_addr - 1024;
 942         if (phys_addr < EEPROMSIZE)
 943                 return phys_addr - 1024 - fn;
 944         if (phys_addr < EEPROMVSIZE)
 945                 return phys_addr - 1024;
 946         return -EINVAL;
 947 }
 948
 949 /* The next two routines implement eeprom read/write from physical addresses.
 950  */
 951 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
 952 {
 953         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
 954
 955         if (vaddr >= 0)
 956                 vaddr = t4_seeprom_read(adap, vaddr, v);
 957         return vaddr < 0 ? vaddr : 0;
 958 }
 959
 960 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
 961 {
 962         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
 963
 964         if (vaddr >= 0)
 965                 vaddr = t4_seeprom_write(adap, vaddr, v);
 966         return vaddr < 0 ? vaddr : 0;
 967 }
 968
 969 #define EEPROM_MAGIC 0x38E2F10C
 970
 971 static int cxgbe_get_eeprom(struct rte_eth_dev *dev,
 972                             struct rte_dev_eeprom_info *e)
 973 {
 974         struct port_info *pi = dev->data->dev_private;
 975         struct adapter *adapter = pi->adapter;
 976         u32 i, err = 0;
 977         u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0);
 978
 979         if (!buf)
 980                 return -ENOMEM;
 981
 982         e->magic = EEPROM_MAGIC;
 983         for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4)
 984                 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
 985
 986         if (!err)
 987                 rte_memcpy(e->data, buf + e->offset, e->length);
 988         rte_free(buf);
 989         return err;
 990 }
 991
 992 static int cxgbe_set_eeprom(struct rte_eth_dev *dev,
 993                             struct rte_dev_eeprom_info *eeprom)
 994 {
 995         struct port_info *pi = dev->data->dev_private;
 996         struct adapter *adapter = pi->adapter;
 997         u8 *buf;
 998         int err = 0;
 999         u32 aligned_offset, aligned_len, *p;
1000
1001         if (eeprom->magic != EEPROM_MAGIC)
1002                 return -EINVAL;
1003
1004         aligned_offset = eeprom->offset & ~3;
1005         aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3;
1006
1007         if (adapter->pf > 0) {
1008                 u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1009
1010                 if (aligned_offset < start ||
1011                     aligned_offset + aligned_len > start + EEPROMPFSIZE)
1012                         return -EPERM;
1013         }
1014
1015         if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) {
1016                 /* RMW possibly needed for first or last words.
1017                  */
1018                 buf = rte_zmalloc(NULL, aligned_len, 0);
1019                 if (!buf)
1020                         return -ENOMEM;
1021                 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1022                 if (!err && aligned_len > 4)
1023                         err = eeprom_rd_phys(adapter,
1024                                              aligned_offset + aligned_len - 4,
1025                                              (u32 *)&buf[aligned_len - 4]);
1026                 if (err)
1027                         goto out;
1028                 rte_memcpy(buf + (eeprom->offset & 3), eeprom->data,
1029                            eeprom->length);
1030         } else {
1031                 buf = eeprom->data;
1032         }
1033
1034         err = t4_seeprom_wp(adapter, false);
1035         if (err)
1036                 goto out;
1037
1038         for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1039                 err = eeprom_wr_phys(adapter, aligned_offset, *p);
1040                 aligned_offset += 4;
1041         }
1042
1043         if (!err)
1044                 err = t4_seeprom_wp(adapter, true);
1045 out:
1046         if (buf != eeprom->data)
1047                 rte_free(buf);
1048         return err;
1049 }
1050
1051 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev)
1052 {
1053         struct port_info *pi = eth_dev->data->dev_private;
1054         struct adapter *adapter = pi->adapter;
1055
1056         return t4_get_regs_len(adapter) / sizeof(uint32_t);
1057 }
1058
1059 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev,
1060                           struct rte_dev_reg_info *regs)
1061 {
1062         struct port_info *pi = eth_dev->data->dev_private;
1063         struct adapter *adapter = pi->adapter;
1064
1065         regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) |
1066                 (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) |
1067                 (1 << 16);
1068
1069         if (regs->data == NULL) {
1070                 regs->length = cxgbe_get_regs_len(eth_dev);
1071                 regs->width = sizeof(uint32_t);
1072
1073                 return 0;
1074         }
1075
1076         t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t)));
1077
1078         return 0;
1079 }
1080
1081 int cxgbe_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
1082 {
1083         struct port_info *pi = dev->data->dev_private;
1084         int ret;
1085
1086         ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt, (u8 *)addr);
1087         if (ret < 0) {
1088                 dev_err(adapter, "failed to set mac addr; err = %d\n",
1089                         ret);
1090                 return ret;
1091         }
1092         pi->xact_addr_filt = ret;
1093         return 0;
1094 }
1095
1096 static const struct eth_dev_ops cxgbe_eth_dev_ops = {
1097         .dev_start              = cxgbe_dev_start,
1098         .dev_stop               = cxgbe_dev_stop,
1099         .dev_close              = cxgbe_dev_close,
1100         .promiscuous_enable     = cxgbe_dev_promiscuous_enable,
1101         .promiscuous_disable    = cxgbe_dev_promiscuous_disable,
1102         .allmulticast_enable    = cxgbe_dev_allmulticast_enable,
1103         .allmulticast_disable   = cxgbe_dev_allmulticast_disable,
1104         .dev_configure          = cxgbe_dev_configure,
1105         .dev_infos_get          = cxgbe_dev_info_get,
1106         .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
1107         .link_update            = cxgbe_dev_link_update,
1108         .dev_set_link_up        = cxgbe_dev_set_link_up,
1109         .dev_set_link_down      = cxgbe_dev_set_link_down,
1110         .mtu_set                = cxgbe_dev_mtu_set,
1111         .tx_queue_setup         = cxgbe_dev_tx_queue_setup,
1112         .tx_queue_start         = cxgbe_dev_tx_queue_start,
1113         .tx_queue_stop          = cxgbe_dev_tx_queue_stop,
1114         .tx_queue_release       = cxgbe_dev_tx_queue_release,
1115         .rx_queue_setup         = cxgbe_dev_rx_queue_setup,
1116         .rx_queue_start         = cxgbe_dev_rx_queue_start,
1117         .rx_queue_stop          = cxgbe_dev_rx_queue_stop,
1118         .rx_queue_release       = cxgbe_dev_rx_queue_release,
1119         .filter_ctrl            = cxgbe_dev_filter_ctrl,
1120         .stats_get              = cxgbe_dev_stats_get,
1121         .stats_reset            = cxgbe_dev_stats_reset,
1122         .flow_ctrl_get          = cxgbe_flow_ctrl_get,
1123         .flow_ctrl_set          = cxgbe_flow_ctrl_set,
1124         .get_eeprom_length      = cxgbe_get_eeprom_length,
1125         .get_eeprom             = cxgbe_get_eeprom,
1126         .set_eeprom             = cxgbe_set_eeprom,
1127         .get_reg                = cxgbe_get_regs,
1128         .rss_hash_update        = cxgbe_dev_rss_hash_update,
1129         .rss_hash_conf_get      = cxgbe_dev_rss_hash_conf_get,
1130         .mac_addr_set           = cxgbe_mac_addr_set,
1131 };
1132
1133 /*
1134  * Initialize driver
1135  * It returns 0 on success.
1136  */
1137 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev)
1138 {
1139         struct rte_pci_device *pci_dev;
1140         struct port_info *pi = eth_dev->data->dev_private;
1141         struct adapter *adapter = NULL;
1142         char name[RTE_ETH_NAME_MAX_LEN];
1143         int err = 0;
1144
1145         CXGBE_FUNC_TRACE();
1146
1147         eth_dev->dev_ops = &cxgbe_eth_dev_ops;
1148         eth_dev->rx_pkt_burst = &cxgbe_recv_pkts;
1149         eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts;
1150         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1151
1152         /* for secondary processes, we attach to ethdevs allocated by primary
1153          * and do minimal initialization.
1154          */
1155         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1156                 int i;
1157
1158                 for (i = 1; i < MAX_NPORTS; i++) {
1159                         struct rte_eth_dev *rest_eth_dev;
1160                         char namei[RTE_ETH_NAME_MAX_LEN];
1161
1162                         snprintf(namei, sizeof(namei), "%s_%d",
1163                                  pci_dev->device.name, i);
1164                         rest_eth_dev = rte_eth_dev_attach_secondary(namei);
1165                         if (rest_eth_dev) {
1166                                 rest_eth_dev->device = &pci_dev->device;
1167                                 rest_eth_dev->dev_ops =
1168                                         eth_dev->dev_ops;
1169                                 rest_eth_dev->rx_pkt_burst =
1170                                         eth_dev->rx_pkt_burst;
1171                                 rest_eth_dev->tx_pkt_burst =
1172                                         eth_dev->tx_pkt_burst;
1173                                 rte_eth_dev_probing_finish(rest_eth_dev);
1174                         }
1175                 }
1176                 return 0;
1177         }
1178
1179         snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id);
1180         adapter = rte_zmalloc(name, sizeof(*adapter), 0);
1181         if (!adapter)
1182                 return -1;
1183
1184         adapter->use_unpacked_mode = 1;
1185         adapter->regs = (void *)pci_dev->mem_resource[0].addr;
1186         if (!adapter->regs) {
1187                 dev_err(adapter, "%s: cannot map device registers\n", __func__);
1188                 err = -ENOMEM;
1189                 goto out_free_adapter;
1190         }
1191         adapter->pdev = pci_dev;
1192         adapter->eth_dev = eth_dev;
1193         pi->adapter = adapter;
1194
1195         cxgbe_process_devargs(adapter);
1196
1197         err = cxgbe_probe(adapter);
1198         if (err) {
1199                 dev_err(adapter, "%s: cxgbe probe failed with err %d\n",
1200                         __func__, err);
1201                 goto out_free_adapter;
1202         }
1203
1204         return 0;
1205
1206 out_free_adapter:
1207         rte_free(adapter);
1208         return err;
1209 }
1210
1211 static int eth_cxgbe_dev_uninit(struct rte_eth_dev *eth_dev)
1212 {
1213         struct port_info *pi = eth_dev->data->dev_private;
1214         struct adapter *adap = pi->adapter;
1215
1216         /* Free up other ports and all resources */
1217         cxgbe_close(adap);
1218         return 0;
1219 }
1220
1221 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1222         struct rte_pci_device *pci_dev)
1223 {
1224         return rte_eth_dev_pci_generic_probe(pci_dev,
1225                 sizeof(struct port_info), eth_cxgbe_dev_init);
1226 }
1227
1228 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev)
1229 {
1230         return rte_eth_dev_pci_generic_remove(pci_dev, eth_cxgbe_dev_uninit);
1231 }
1232
1233 static struct rte_pci_driver rte_cxgbe_pmd = {
1234         .id_table = cxgb4_pci_tbl,
1235         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1236         .probe = eth_cxgbe_pci_probe,
1237         .remove = eth_cxgbe_pci_remove,
1238 };
1239
1240 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd);
1241 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl);
1242 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci");
1243 RTE_PMD_REGISTER_PARAM_STRING(net_cxgbe,
1244                               CXGBE_DEVARG_CMN_KEEP_OVLAN "=<0|1> "
1245                               CXGBE_DEVARG_CMN_TX_MODE_LATENCY "=<0|1> ");
1246
1247 RTE_INIT(cxgbe_init_log)
1248 {
1249         cxgbe_logtype = rte_log_register("pmd.net.cxgbe");
1250         if (cxgbe_logtype >= 0)
1251                 rte_log_set_level(cxgbe_logtype, RTE_LOG_NOTICE);
1252         cxgbe_mbox_logtype = rte_log_register("pmd.net.cxgbe.mbox");
1253         if (cxgbe_mbox_logtype >= 0)
1254                 rte_log_set_level(cxgbe_mbox_logtype, RTE_LOG_NOTICE);
1255 }