drivers/net/cxgbe/cxgbe_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2014-2017 Chelsio Communications.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Chelsio Communications nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/queue.h>
  35 #include <stdio.h>
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40 #include <stdarg.h>
  41 #include <inttypes.h>
  42 #include <netinet/in.h>
  43
  44 #include <rte_byteorder.h>
  45 #include <rte_common.h>
  46 #include <rte_cycles.h>
  47 #include <rte_interrupts.h>
  48 #include <rte_log.h>
  49 #include <rte_debug.h>
  50 #include <rte_pci.h>
  51 #include <rte_bus_pci.h>
  52 #include <rte_atomic.h>
  53 #include <rte_branch_prediction.h>
  54 #include <rte_memory.h>
  55 #include <rte_tailq.h>
  56 #include <rte_eal.h>
  57 #include <rte_alarm.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev_driver.h>
  60 #include <rte_ethdev_pci.h>
  61 #include <rte_malloc.h>
  62 #include <rte_random.h>
  63 #include <rte_dev.h>
  64
  65 #include "cxgbe.h"
  66
  67 /*
  68  * Macros needed to support the PCI Device ID Table ...
  69  */
  70 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN \
  71         static const struct rte_pci_id cxgb4_pci_tbl[] = {
  72 #define CH_PCI_DEVICE_ID_FUNCTION 0x4
  73
  74 #define PCI_VENDOR_ID_CHELSIO 0x1425
  75
  76 #define CH_PCI_ID_TABLE_ENTRY(devid) \
  77                 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CHELSIO, (devid)) }
  78
  79 #define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \
  80                 { .vendor_id = 0, } \
  81         }
  82
  83 /*
  84  *... and the PCI ID Table itself ...
  85  */
  86 #include "t4_pci_id_tbl.h"
  87
  88 static uint16_t cxgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
  89                                 uint16_t nb_pkts)
  90 {
  91         struct sge_eth_txq *txq = (struct sge_eth_txq *)tx_queue;
  92         uint16_t pkts_sent, pkts_remain;
  93         uint16_t total_sent = 0;
  94         int ret = 0;
  95
  96         CXGBE_DEBUG_TX(adapter, "%s: txq = %p; tx_pkts = %p; nb_pkts = %d\n",
  97                        __func__, txq, tx_pkts, nb_pkts);
  98
  99         t4_os_lock(&txq->txq_lock);
 100         /* free up desc from already completed tx */
 101         reclaim_completed_tx(&txq->q);
 102         while (total_sent < nb_pkts) {
 103                 pkts_remain = nb_pkts - total_sent;
 104
 105                 for (pkts_sent = 0; pkts_sent < pkts_remain; pkts_sent++) {
 106                         ret = t4_eth_xmit(txq, tx_pkts[total_sent + pkts_sent],
 107                                           nb_pkts);
 108                         if (ret < 0)
 109                                 break;
 110                 }
 111                 if (!pkts_sent)
 112                         break;
 113                 total_sent += pkts_sent;
 114                 /* reclaim as much as possible */
 115                 reclaim_completed_tx(&txq->q);
 116         }
 117
 118         t4_os_unlock(&txq->txq_lock);
 119         return total_sent;
 120 }
 121
 122 static uint16_t cxgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 123                                 uint16_t nb_pkts)
 124 {
 125         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)rx_queue;
 126         unsigned int work_done;
 127
 128         CXGBE_DEBUG_RX(adapter, "%s: rxq->rspq.cntxt_id = %u; nb_pkts = %d\n",
 129                        __func__, rxq->rspq.cntxt_id, nb_pkts);
 130
 131         if (cxgbe_poll(&rxq->rspq, rx_pkts, (unsigned int)nb_pkts, &work_done))
 132                 dev_err(adapter, "error in cxgbe poll\n");
 133
 134         CXGBE_DEBUG_RX(adapter, "%s: work_done = %u\n", __func__, work_done);
 135         return work_done;
 136 }
 137
 138 static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
 139                                struct rte_eth_dev_info *device_info)
 140 {
 141         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 142         struct adapter *adapter = pi->adapter;
 143         int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
 144
 145         static const struct rte_eth_desc_lim cxgbe_desc_lim = {
 146                 .nb_max = CXGBE_MAX_RING_DESC_SIZE,
 147                 .nb_min = CXGBE_MIN_RING_DESC_SIZE,
 148                 .nb_align = 1,
 149         };
 150
 151         device_info->pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 152
 153         device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
 154         device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
 155         device_info->max_rx_queues = max_queues;
 156         device_info->max_tx_queues = max_queues;
 157         device_info->max_mac_addrs = 1;
 158         /* XXX: For now we support one MAC/port */
 159         device_info->max_vfs = adapter->params.arch.vfcount;
 160         device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
 161
 162         device_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
 163                                        DEV_RX_OFFLOAD_IPV4_CKSUM |
 164                                        DEV_RX_OFFLOAD_UDP_CKSUM |
 165                                        DEV_RX_OFFLOAD_TCP_CKSUM;
 166
 167         device_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
 168                                        DEV_TX_OFFLOAD_IPV4_CKSUM |
 169                                        DEV_TX_OFFLOAD_UDP_CKSUM |
 170                                        DEV_TX_OFFLOAD_TCP_CKSUM |
 171                                        DEV_TX_OFFLOAD_TCP_TSO;
 172
 173         device_info->reta_size = pi->rss_size;
 174         device_info->hash_key_size = CXGBE_DEFAULT_RSS_KEY_LEN;
 175         device_info->flow_type_rss_offloads = CXGBE_RSS_HF_ALL;
 176
 177         device_info->rx_desc_lim = cxgbe_desc_lim;
 178         device_info->tx_desc_lim = cxgbe_desc_lim;
 179         cxgbe_get_speed_caps(pi, &device_info->speed_capa);
 180 }
 181
 182 static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
 183 {
 184         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 185         struct adapter *adapter = pi->adapter;
 186
 187         t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 188                       1, -1, 1, -1, false);
 189 }
 190
 191 static void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
 192 {
 193         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 194         struct adapter *adapter = pi->adapter;
 195
 196         t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 197                       0, -1, 1, -1, false);
 198 }
 199
 200 static void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
 201 {
 202         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 203         struct adapter *adapter = pi->adapter;
 204
 205         /* TODO: address filters ?? */
 206
 207         t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 208                       -1, 1, 1, -1, false);
 209 }
 210
 211 static void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
 212 {
 213         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 214         struct adapter *adapter = pi->adapter;
 215
 216         /* TODO: address filters ?? */
 217
 218         t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
 219                       -1, 0, 1, -1, false);
 220 }
 221
 222 static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
 223                                  __rte_unused int wait_to_complete)
 224 {
 225         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 226         struct adapter *adapter = pi->adapter;
 227         struct sge *s = &adapter->sge;
 228         struct rte_eth_link *old_link = &eth_dev->data->dev_link;
 229         unsigned int work_done, budget = 4;
 230
 231         cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
 232         if (old_link->link_status == pi->link_cfg.link_ok)
 233                 return -1;  /* link not changed */
 234
 235         eth_dev->data->dev_link.link_status = pi->link_cfg.link_ok;
 236         eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
 237         eth_dev->data->dev_link.link_speed = pi->link_cfg.speed;
 238
 239         /* link has changed */
 240         return 0;
 241 }
 242
 243 static int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
 244 {
 245         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 246         struct adapter *adapter = pi->adapter;
 247         struct rte_eth_dev_info dev_info;
 248         int err;
 249         uint16_t new_mtu = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 250
 251         cxgbe_dev_info_get(eth_dev, &dev_info);
 252
 253         /* Must accommodate at least ETHER_MIN_MTU */
 254         if ((new_mtu < ETHER_MIN_MTU) || (new_mtu > dev_info.max_rx_pktlen))
 255                 return -EINVAL;
 256
 257         /* set to jumbo mode if needed */
 258         if (new_mtu > ETHER_MAX_LEN)
 259                 eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
 260         else
 261                 eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
 262
 263         err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
 264                             -1, -1, true);
 265         if (!err)
 266                 eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
 267
 268         return err;
 269 }
 270
 271 static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 272                                     uint16_t tx_queue_id);
 273 static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 274                                     uint16_t tx_queue_id);
 275 static void cxgbe_dev_tx_queue_release(void *q);
 276 static void cxgbe_dev_rx_queue_release(void *q);
 277
 278 /*
 279  * Stop device.
 280  */
 281 static void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
 282 {
 283         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 284         struct adapter *adapter = pi->adapter;
 285         int i, dev_down = 0;
 286
 287         CXGBE_FUNC_TRACE();
 288
 289         if (!(adapter->flags & FULL_INIT_DONE))
 290                 return;
 291
 292         cxgbe_down(pi);
 293
 294         /*
 295          *  We clear queues only if both tx and rx path of the port
 296          *  have been disabled
 297          */
 298         t4_sge_eth_clear_queues(pi);
 299
 300         /*  See if all ports are down */
 301         for_each_port(adapter, i) {
 302                 pi = adap2pinfo(adapter, i);
 303                 /*
 304                  * Skip first port of the adapter since it will be closed
 305                  * by DPDK
 306                  */
 307                 if (i == 0)
 308                         continue;
 309                 dev_down += (pi->eth_dev->data->dev_started == 0) ? 1 : 0;
 310         }
 311
 312         /* If rest of the ports are stopped, then free up resources */
 313         if (dev_down == (adapter->params.nports - 1))
 314                 cxgbe_close(adapter);
 315 }
 316
 317 /* Start the device.
 318  * It returns 0 on success.
 319  */
 320 static int cxgbe_dev_start(struct rte_eth_dev *eth_dev)
 321 {
 322         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 323         struct adapter *adapter = pi->adapter;
 324         int err = 0, i;
 325
 326         CXGBE_FUNC_TRACE();
 327
 328         /*
 329          * If we don't have a connection to the firmware there's nothing we
 330          * can do.
 331          */
 332         if (!(adapter->flags & FW_OK)) {
 333                 err = -ENXIO;
 334                 goto out;
 335         }
 336
 337         if (!(adapter->flags & FULL_INIT_DONE)) {
 338                 err = cxgbe_up(adapter);
 339                 if (err < 0)
 340                         goto out;
 341         }
 342
 343         cxgbe_enable_rx_queues(pi);
 344
 345         err = setup_rss(pi);
 346         if (err)
 347                 goto out;
 348
 349         for (i = 0; i < pi->n_tx_qsets; i++) {
 350                 err = cxgbe_dev_tx_queue_start(eth_dev, i);
 351                 if (err)
 352                         goto out;
 353         }
 354
 355         for (i = 0; i < pi->n_rx_qsets; i++) {
 356                 err = cxgbe_dev_rx_queue_start(eth_dev, i);
 357                 if (err)
 358                         goto out;
 359         }
 360
 361         err = link_start(pi);
 362         if (err)
 363                 goto out;
 364
 365 out:
 366         return err;
 367 }
 368
 369 /*
 370  * Stop device: disable rx and tx functions to allow for reconfiguring.
 371  */
 372 static void cxgbe_dev_stop(struct rte_eth_dev *eth_dev)
 373 {
 374         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 375         struct adapter *adapter = pi->adapter;
 376
 377         CXGBE_FUNC_TRACE();
 378
 379         if (!(adapter->flags & FULL_INIT_DONE))
 380                 return;
 381
 382         cxgbe_down(pi);
 383
 384         /*
 385          *  We clear queues only if both tx and rx path of the port
 386          *  have been disabled
 387          */
 388         t4_sge_eth_clear_queues(pi);
 389 }
 390
 391 static int cxgbe_dev_configure(struct rte_eth_dev *eth_dev)
 392 {
 393         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 394         struct adapter *adapter = pi->adapter;
 395         int err;
 396
 397         CXGBE_FUNC_TRACE();
 398
 399         if (!(adapter->flags & FW_QUEUE_BOUND)) {
 400                 err = setup_sge_fwevtq(adapter);
 401                 if (err)
 402                         return err;
 403                 adapter->flags |= FW_QUEUE_BOUND;
 404         }
 405
 406         err = cfg_queue_count(eth_dev);
 407         if (err)
 408                 return err;
 409
 410         return 0;
 411 }
 412
 413 static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 414                                     uint16_t tx_queue_id)
 415 {
 416         int ret;
 417         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 418                                   (eth_dev->data->tx_queues[tx_queue_id]);
 419
 420         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 421
 422         ret = t4_sge_eth_txq_start(txq);
 423         if (ret == 0)
 424                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 425
 426         return ret;
 427 }
 428
 429 static int cxgbe_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 430                                    uint16_t tx_queue_id)
 431 {
 432         int ret;
 433         struct sge_eth_txq *txq = (struct sge_eth_txq *)
 434                                   (eth_dev->data->tx_queues[tx_queue_id]);
 435
 436         dev_debug(NULL, "%s: tx_queue_id = %d\n", __func__, tx_queue_id);
 437
 438         ret = t4_sge_eth_txq_stop(txq);
 439         if (ret == 0)
 440                 eth_dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 441
 442         return ret;
 443 }
 444
 445 static int cxgbe_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
 446                                     uint16_t queue_idx, uint16_t nb_desc,
 447                                     unsigned int socket_id,
 448                                     const struct rte_eth_txconf *tx_conf)
 449 {
 450         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 451         struct adapter *adapter = pi->adapter;
 452         struct sge *s = &adapter->sge;
 453         struct sge_eth_txq *txq = &s->ethtxq[pi->first_qset + queue_idx];
 454         int err = 0;
 455         unsigned int temp_nb_desc;
 456
 457         RTE_SET_USED(tx_conf);
 458
 459         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",
 460                   __func__, eth_dev->data->nb_tx_queues, queue_idx, nb_desc,
 461                   socket_id, pi->first_qset);
 462
 463         /*  Free up the existing queue  */
 464         if (eth_dev->data->tx_queues[queue_idx]) {
 465                 cxgbe_dev_tx_queue_release(eth_dev->data->tx_queues[queue_idx]);
 466                 eth_dev->data->tx_queues[queue_idx] = NULL;
 467         }
 468
 469         eth_dev->data->tx_queues[queue_idx] = (void *)txq;
 470
 471         /* Sanity Checking
 472          *
 473          * nb_desc should be > 1023 and <= CXGBE_MAX_RING_DESC_SIZE
 474          */
 475         temp_nb_desc = nb_desc;
 476         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 477                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 478                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 479                          CXGBE_DEFAULT_TX_DESC_SIZE);
 480                 temp_nb_desc = CXGBE_DEFAULT_TX_DESC_SIZE;
 481         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 482                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 483                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 484                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_TX_DESC_SIZE);
 485                 return -(EINVAL);
 486         }
 487
 488         txq->q.size = temp_nb_desc;
 489
 490         err = t4_sge_alloc_eth_txq(adapter, txq, eth_dev, queue_idx,
 491                                    s->fw_evtq.cntxt_id, socket_id);
 492
 493         dev_debug(adapter, "%s: txq->q.cntxt_id= %d err = %d\n",
 494                   __func__, txq->q.cntxt_id, err);
 495
 496         return err;
 497 }
 498
 499 static void cxgbe_dev_tx_queue_release(void *q)
 500 {
 501         struct sge_eth_txq *txq = (struct sge_eth_txq *)q;
 502
 503         if (txq) {
 504                 struct port_info *pi = (struct port_info *)
 505                                        (txq->eth_dev->data->dev_private);
 506                 struct adapter *adap = pi->adapter;
 507
 508                 dev_debug(adapter, "%s: pi->port_id = %d; tx_queue_id = %d\n",
 509                           __func__, pi->port_id, txq->q.cntxt_id);
 510
 511                 t4_sge_eth_txq_release(adap, txq);
 512         }
 513 }
 514
 515 static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 516                                     uint16_t rx_queue_id)
 517 {
 518         int ret;
 519         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 520         struct adapter *adap = pi->adapter;
 521         struct sge_rspq *q;
 522
 523         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 524                   __func__, pi->port_id, rx_queue_id);
 525
 526         q = eth_dev->data->rx_queues[rx_queue_id];
 527
 528         ret = t4_sge_eth_rxq_start(adap, q);
 529         if (ret == 0)
 530                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 531
 532         return ret;
 533 }
 534
 535 static int cxgbe_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 536                                    uint16_t rx_queue_id)
 537 {
 538         int ret;
 539         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 540         struct adapter *adap = pi->adapter;
 541         struct sge_rspq *q;
 542
 543         dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 544                   __func__, pi->port_id, rx_queue_id);
 545
 546         q = eth_dev->data->rx_queues[rx_queue_id];
 547         ret = t4_sge_eth_rxq_stop(adap, q);
 548         if (ret == 0)
 549                 eth_dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 550
 551         return ret;
 552 }
 553
 554 static int cxgbe_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
 555                                     uint16_t queue_idx, uint16_t nb_desc,
 556                                     unsigned int socket_id,
 557                                     const struct rte_eth_rxconf *rx_conf,
 558                                     struct rte_mempool *mp)
 559 {
 560         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 561         struct adapter *adapter = pi->adapter;
 562         struct sge *s = &adapter->sge;
 563         struct sge_eth_rxq *rxq = &s->ethrxq[pi->first_qset + queue_idx];
 564         int err = 0;
 565         int msi_idx = 0;
 566         unsigned int temp_nb_desc;
 567         struct rte_eth_dev_info dev_info;
 568         unsigned int pkt_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
 569
 570         RTE_SET_USED(rx_conf);
 571
 572         dev_debug(adapter, "%s: eth_dev->data->nb_rx_queues = %d; queue_idx = %d; nb_desc = %d; socket_id = %d; mp = %p\n",
 573                   __func__, eth_dev->data->nb_rx_queues, queue_idx, nb_desc,
 574                   socket_id, mp);
 575
 576         cxgbe_dev_info_get(eth_dev, &dev_info);
 577
 578         /* Must accommodate at least ETHER_MIN_MTU */
 579         if ((pkt_len < dev_info.min_rx_bufsize) ||
 580             (pkt_len > dev_info.max_rx_pktlen)) {
 581                 dev_err(adap, "%s: max pkt len must be > %d and <= %d\n",
 582                         __func__, dev_info.min_rx_bufsize,
 583                         dev_info.max_rx_pktlen);
 584                 return -EINVAL;
 585         }
 586
 587         /*  Free up the existing queue  */
 588         if (eth_dev->data->rx_queues[queue_idx]) {
 589                 cxgbe_dev_rx_queue_release(eth_dev->data->rx_queues[queue_idx]);
 590                 eth_dev->data->rx_queues[queue_idx] = NULL;
 591         }
 592
 593         eth_dev->data->rx_queues[queue_idx] = (void *)rxq;
 594
 595         /* Sanity Checking
 596          *
 597          * nb_desc should be > 0 and <= CXGBE_MAX_RING_DESC_SIZE
 598          */
 599         temp_nb_desc = nb_desc;
 600         if (nb_desc < CXGBE_MIN_RING_DESC_SIZE) {
 601                 dev_warn(adapter, "%s: number of descriptors must be >= %d. Using default [%d]\n",
 602                          __func__, CXGBE_MIN_RING_DESC_SIZE,
 603                          CXGBE_DEFAULT_RX_DESC_SIZE);
 604                 temp_nb_desc = CXGBE_DEFAULT_RX_DESC_SIZE;
 605         } else if (nb_desc > CXGBE_MAX_RING_DESC_SIZE) {
 606                 dev_err(adapter, "%s: number of descriptors must be between %d and %d inclusive. Default [%d]\n",
 607                         __func__, CXGBE_MIN_RING_DESC_SIZE,
 608                         CXGBE_MAX_RING_DESC_SIZE, CXGBE_DEFAULT_RX_DESC_SIZE);
 609                 return -(EINVAL);
 610         }
 611
 612         rxq->rspq.size = temp_nb_desc;
 613         if ((&rxq->fl) != NULL)
 614                 rxq->fl.size = temp_nb_desc;
 615
 616         /* Set to jumbo mode if necessary */
 617         if (pkt_len > ETHER_MAX_LEN)
 618                 eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
 619         else
 620                 eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
 621
 622         err = t4_sge_alloc_rxq(adapter, &rxq->rspq, false, eth_dev, msi_idx,
 623                                &rxq->fl, t4_ethrx_handler,
 624                                t4_get_tp_ch_map(adapter, pi->tx_chan), mp,
 625                                queue_idx, socket_id);
 626
 627         dev_debug(adapter, "%s: err = %d; port_id = %d; cntxt_id = %u\n",
 628                   __func__, err, pi->port_id, rxq->rspq.cntxt_id);
 629         return err;
 630 }
 631
 632 static void cxgbe_dev_rx_queue_release(void *q)
 633 {
 634         struct sge_eth_rxq *rxq = (struct sge_eth_rxq *)q;
 635         struct sge_rspq *rq = &rxq->rspq;
 636
 637         if (rq) {
 638                 struct port_info *pi = (struct port_info *)
 639                                        (rq->eth_dev->data->dev_private);
 640                 struct adapter *adap = pi->adapter;
 641
 642                 dev_debug(adapter, "%s: pi->port_id = %d; rx_queue_id = %d\n",
 643                           __func__, pi->port_id, rxq->rspq.cntxt_id);
 644
 645                 t4_sge_eth_rxq_release(adap, rxq);
 646         }
 647 }
 648
 649 /*
 650  * Get port statistics.
 651  */
 652 static int cxgbe_dev_stats_get(struct rte_eth_dev *eth_dev,
 653                                 struct rte_eth_stats *eth_stats)
 654 {
 655         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 656         struct adapter *adapter = pi->adapter;
 657         struct sge *s = &adapter->sge;
 658         struct port_stats ps;
 659         unsigned int i;
 660
 661         cxgbe_stats_get(pi, &ps);
 662
 663         /* RX Stats */
 664         eth_stats->imissed  = ps.rx_ovflow0 + ps.rx_ovflow1 +
 665                               ps.rx_ovflow2 + ps.rx_ovflow3 +
 666                               ps.rx_trunc0 + ps.rx_trunc1 +
 667                               ps.rx_trunc2 + ps.rx_trunc3;
 668         eth_stats->ierrors  = ps.rx_symbol_err + ps.rx_fcs_err +
 669                               ps.rx_jabber + ps.rx_too_long + ps.rx_runt +
 670                               ps.rx_len_err;
 671
 672         /* TX Stats */
 673         eth_stats->opackets = ps.tx_frames;
 674         eth_stats->obytes   = ps.tx_octets;
 675         eth_stats->oerrors  = ps.tx_error_frames;
 676
 677         for (i = 0; i < pi->n_rx_qsets; i++) {
 678                 struct sge_eth_rxq *rxq =
 679                         &s->ethrxq[pi->first_qset + i];
 680
 681                 eth_stats->q_ipackets[i] = rxq->stats.pkts;
 682                 eth_stats->q_ibytes[i] = rxq->stats.rx_bytes;
 683                 eth_stats->ipackets += eth_stats->q_ipackets[i];
 684                 eth_stats->ibytes += eth_stats->q_ibytes[i];
 685         }
 686
 687         for (i = 0; i < pi->n_tx_qsets; i++) {
 688                 struct sge_eth_txq *txq =
 689                         &s->ethtxq[pi->first_qset + i];
 690
 691                 eth_stats->q_opackets[i] = txq->stats.pkts;
 692                 eth_stats->q_obytes[i] = txq->stats.tx_bytes;
 693                 eth_stats->q_errors[i] = txq->stats.mapping_err;
 694         }
 695         return 0;
 696 }
 697
 698 /*
 699  * Reset port statistics.
 700  */
 701 static void cxgbe_dev_stats_reset(struct rte_eth_dev *eth_dev)
 702 {
 703         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 704         struct adapter *adapter = pi->adapter;
 705         struct sge *s = &adapter->sge;
 706         unsigned int i;
 707
 708         cxgbe_stats_reset(pi);
 709         for (i = 0; i < pi->n_rx_qsets; i++) {
 710                 struct sge_eth_rxq *rxq =
 711                         &s->ethrxq[pi->first_qset + i];
 712
 713                 rxq->stats.pkts = 0;
 714                 rxq->stats.rx_bytes = 0;
 715         }
 716         for (i = 0; i < pi->n_tx_qsets; i++) {
 717                 struct sge_eth_txq *txq =
 718                         &s->ethtxq[pi->first_qset + i];
 719
 720                 txq->stats.pkts = 0;
 721                 txq->stats.tx_bytes = 0;
 722                 txq->stats.mapping_err = 0;
 723         }
 724 }
 725
 726 static int cxgbe_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 727                                struct rte_eth_fc_conf *fc_conf)
 728 {
 729         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 730         struct link_config *lc = &pi->link_cfg;
 731         int rx_pause, tx_pause;
 732
 733         fc_conf->autoneg = lc->fc & PAUSE_AUTONEG;
 734         rx_pause = lc->fc & PAUSE_RX;
 735         tx_pause = lc->fc & PAUSE_TX;
 736
 737         if (rx_pause && tx_pause)
 738                 fc_conf->mode = RTE_FC_FULL;
 739         else if (rx_pause)
 740                 fc_conf->mode = RTE_FC_RX_PAUSE;
 741         else if (tx_pause)
 742                 fc_conf->mode = RTE_FC_TX_PAUSE;
 743         else
 744                 fc_conf->mode = RTE_FC_NONE;
 745         return 0;
 746 }
 747
 748 static int cxgbe_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 749                                struct rte_eth_fc_conf *fc_conf)
 750 {
 751         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
 752         struct adapter *adapter = pi->adapter;
 753         struct link_config *lc = &pi->link_cfg;
 754
 755         if (lc->pcaps & FW_PORT_CAP32_ANEG) {
 756                 if (fc_conf->autoneg)
 757                         lc->requested_fc |= PAUSE_AUTONEG;
 758                 else
 759                         lc->requested_fc &= ~PAUSE_AUTONEG;
 760         }
 761
 762         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 763             (fc_conf->mode & RTE_FC_RX_PAUSE))
 764                 lc->requested_fc |= PAUSE_RX;
 765         else
 766                 lc->requested_fc &= ~PAUSE_RX;
 767
 768         if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
 769             (fc_conf->mode & RTE_FC_TX_PAUSE))
 770                 lc->requested_fc |= PAUSE_TX;
 771         else
 772                 lc->requested_fc &= ~PAUSE_TX;
 773
 774         return t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
 775                              &pi->link_cfg);
 776 }
 777
 778 static const uint32_t *
 779 cxgbe_dev_supported_ptypes_get(struct rte_eth_dev *eth_dev)
 780 {
 781         static const uint32_t ptypes[] = {
 782                 RTE_PTYPE_L3_IPV4,
 783                 RTE_PTYPE_L3_IPV6,
 784                 RTE_PTYPE_UNKNOWN
 785         };
 786
 787         if (eth_dev->rx_pkt_burst == cxgbe_recv_pkts)
 788                 return ptypes;
 789         return NULL;
 790 }
 791
 792 /* Update RSS hash configuration
 793  */
 794 static int cxgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
 795                                      struct rte_eth_rss_conf *rss_conf)
 796 {
 797         struct port_info *pi = (struct port_info *)(dev->data->dev_private);
 798         struct adapter *adapter = pi->adapter;
 799         int err;
 800
 801         err = cxgbe_write_rss_conf(pi, rss_conf->rss_hf);
 802         if (err)
 803                 return err;
 804
 805         pi->rss_hf = rss_conf->rss_hf;
 806
 807         if (rss_conf->rss_key) {
 808                 u32 key[10], mod_key[10];
 809                 int i, j;
 810
 811                 memcpy(key, rss_conf->rss_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 812
 813                 for (i = 9, j = 0; i >= 0; i--, j++)
 814                         mod_key[j] = cpu_to_be32(key[i]);
 815
 816                 t4_write_rss_key(adapter, mod_key, -1);
 817         }
 818
 819         return 0;
 820 }
 821
 822 /* Get RSS hash configuration
 823  */
 824 static int cxgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 825                                        struct rte_eth_rss_conf *rss_conf)
 826 {
 827         struct port_info *pi = (struct port_info *)(dev->data->dev_private);
 828         struct adapter *adapter = pi->adapter;
 829         u64 rss_hf = 0;
 830         u64 flags = 0;
 831         int err;
 832
 833         err = t4_read_config_vi_rss(adapter, adapter->mbox, pi->viid,
 834                                     &flags, NULL);
 835
 836         if (err)
 837                 return err;
 838
 839         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) {
 840                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
 841                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 842                         rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
 843         }
 844
 845         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
 846                 rss_hf |= ETH_RSS_IPV6;
 847
 848         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) {
 849                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
 850                 if (flags & F_FW_RSS_VI_CONFIG_CMD_UDPEN)
 851                         rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
 852         }
 853
 854         if (flags & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
 855                 rss_hf |= ETH_RSS_IPV4;
 856
 857         rss_conf->rss_hf = rss_hf;
 858
 859         if (rss_conf->rss_key) {
 860                 u32 key[10], mod_key[10];
 861                 int i, j;
 862
 863                 t4_read_rss_key(adapter, key);
 864
 865                 for (i = 9, j = 0; i >= 0; i--, j++)
 866                         mod_key[j] = be32_to_cpu(key[i]);
 867
 868                 memcpy(rss_conf->rss_key, mod_key, CXGBE_DEFAULT_RSS_KEY_LEN);
 869         }
 870
 871         return 0;
 872 }
 873
 874 static int cxgbe_get_eeprom_length(struct rte_eth_dev *dev)
 875 {
 876         RTE_SET_USED(dev);
 877         return EEPROMSIZE;
 878 }
 879
 880 /**
 881  * eeprom_ptov - translate a physical EEPROM address to virtual
 882  * @phys_addr: the physical EEPROM address
 883  * @fn: the PCI function number
 884  * @sz: size of function-specific area
 885  *
 886  * Translate a physical EEPROM address to virtual.  The first 1K is
 887  * accessed through virtual addresses starting at 31K, the rest is
 888  * accessed through virtual addresses starting at 0.
 889  *
 890  * The mapping is as follows:
 891  * [0..1K) -> [31K..32K)
 892  * [1K..1K+A) -> [31K-A..31K)
 893  * [1K+A..ES) -> [0..ES-A-1K)
 894  *
 895  * where A = @fn * @sz, and ES = EEPROM size.
 896  */
 897 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
 898 {
 899         fn *= sz;
 900         if (phys_addr < 1024)
 901                 return phys_addr + (31 << 10);
 902         if (phys_addr < 1024 + fn)
 903                 return fn + phys_addr - 1024;
 904         if (phys_addr < EEPROMSIZE)
 905                 return phys_addr - 1024 - fn;
 906         if (phys_addr < EEPROMVSIZE)
 907                 return phys_addr - 1024;
 908         return -EINVAL;
 909 }
 910
 911 /* The next two routines implement eeprom read/write from physical addresses.
 912  */
 913 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
 914 {
 915         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
 916
 917         if (vaddr >= 0)
 918                 vaddr = t4_seeprom_read(adap, vaddr, v);
 919         return vaddr < 0 ? vaddr : 0;
 920 }
 921
 922 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
 923 {
 924         int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
 925
 926         if (vaddr >= 0)
 927                 vaddr = t4_seeprom_write(adap, vaddr, v);
 928         return vaddr < 0 ? vaddr : 0;
 929 }
 930
 931 #define EEPROM_MAGIC 0x38E2F10C
 932
 933 static int cxgbe_get_eeprom(struct rte_eth_dev *dev,
 934                             struct rte_dev_eeprom_info *e)
 935 {
 936         struct port_info *pi = (struct port_info *)(dev->data->dev_private);
 937         struct adapter *adapter = pi->adapter;
 938         u32 i, err = 0;
 939         u8 *buf = rte_zmalloc(NULL, EEPROMSIZE, 0);
 940
 941         if (!buf)
 942                 return -ENOMEM;
 943
 944         e->magic = EEPROM_MAGIC;
 945         for (i = e->offset & ~3; !err && i < e->offset + e->length; i += 4)
 946                 err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
 947
 948         if (!err)
 949                 rte_memcpy(e->data, buf + e->offset, e->length);
 950         rte_free(buf);
 951         return err;
 952 }
 953
 954 static int cxgbe_set_eeprom(struct rte_eth_dev *dev,
 955                             struct rte_dev_eeprom_info *eeprom)
 956 {
 957         struct port_info *pi = (struct port_info *)(dev->data->dev_private);
 958         struct adapter *adapter = pi->adapter;
 959         u8 *buf;
 960         int err = 0;
 961         u32 aligned_offset, aligned_len, *p;
 962
 963         if (eeprom->magic != EEPROM_MAGIC)
 964                 return -EINVAL;
 965
 966         aligned_offset = eeprom->offset & ~3;
 967         aligned_len = (eeprom->length + (eeprom->offset & 3) + 3) & ~3;
 968
 969         if (adapter->pf > 0) {
 970                 u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
 971
 972                 if (aligned_offset < start ||
 973                     aligned_offset + aligned_len > start + EEPROMPFSIZE)
 974                         return -EPERM;
 975         }
 976
 977         if (aligned_offset != eeprom->offset || aligned_len != eeprom->length) {
 978                 /* RMW possibly needed for first or last words.
 979                  */
 980                 buf = rte_zmalloc(NULL, aligned_len, 0);
 981                 if (!buf)
 982                         return -ENOMEM;
 983                 err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
 984                 if (!err && aligned_len > 4)
 985                         err = eeprom_rd_phys(adapter,
 986                                              aligned_offset + aligned_len - 4,
 987                                              (u32 *)&buf[aligned_len - 4]);
 988                 if (err)
 989                         goto out;
 990                 rte_memcpy(buf + (eeprom->offset & 3), eeprom->data,
 991                            eeprom->length);
 992         } else {
 993                 buf = eeprom->data;
 994         }
 995
 996         err = t4_seeprom_wp(adapter, false);
 997         if (err)
 998                 goto out;
 999
1000         for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1001                 err = eeprom_wr_phys(adapter, aligned_offset, *p);
1002                 aligned_offset += 4;
1003         }
1004
1005         if (!err)
1006                 err = t4_seeprom_wp(adapter, true);
1007 out:
1008         if (buf != eeprom->data)
1009                 rte_free(buf);
1010         return err;
1011 }
1012
1013 static int cxgbe_get_regs_len(struct rte_eth_dev *eth_dev)
1014 {
1015         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
1016         struct adapter *adapter = pi->adapter;
1017
1018         return t4_get_regs_len(adapter) / sizeof(uint32_t);
1019 }
1020
1021 static int cxgbe_get_regs(struct rte_eth_dev *eth_dev,
1022                           struct rte_dev_reg_info *regs)
1023 {
1024         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
1025         struct adapter *adapter = pi->adapter;
1026
1027         regs->version = CHELSIO_CHIP_VERSION(adapter->params.chip) |
1028                 (CHELSIO_CHIP_RELEASE(adapter->params.chip) << 10) |
1029                 (1 << 16);
1030
1031         if (regs->data == NULL) {
1032                 regs->length = cxgbe_get_regs_len(eth_dev);
1033                 regs->width = sizeof(uint32_t);
1034
1035                 return 0;
1036         }
1037
1038         t4_get_regs(adapter, regs->data, (regs->length * sizeof(uint32_t)));
1039
1040         return 0;
1041 }
1042
1043 static const struct eth_dev_ops cxgbe_eth_dev_ops = {
1044         .dev_start              = cxgbe_dev_start,
1045         .dev_stop               = cxgbe_dev_stop,
1046         .dev_close              = cxgbe_dev_close,
1047         .promiscuous_enable     = cxgbe_dev_promiscuous_enable,
1048         .promiscuous_disable    = cxgbe_dev_promiscuous_disable,
1049         .allmulticast_enable    = cxgbe_dev_allmulticast_enable,
1050         .allmulticast_disable   = cxgbe_dev_allmulticast_disable,
1051         .dev_configure          = cxgbe_dev_configure,
1052         .dev_infos_get          = cxgbe_dev_info_get,
1053         .dev_supported_ptypes_get = cxgbe_dev_supported_ptypes_get,
1054         .link_update            = cxgbe_dev_link_update,
1055         .mtu_set                = cxgbe_dev_mtu_set,
1056         .tx_queue_setup         = cxgbe_dev_tx_queue_setup,
1057         .tx_queue_start         = cxgbe_dev_tx_queue_start,
1058         .tx_queue_stop          = cxgbe_dev_tx_queue_stop,
1059         .tx_queue_release       = cxgbe_dev_tx_queue_release,
1060         .rx_queue_setup         = cxgbe_dev_rx_queue_setup,
1061         .rx_queue_start         = cxgbe_dev_rx_queue_start,
1062         .rx_queue_stop          = cxgbe_dev_rx_queue_stop,
1063         .rx_queue_release       = cxgbe_dev_rx_queue_release,
1064         .stats_get              = cxgbe_dev_stats_get,
1065         .stats_reset            = cxgbe_dev_stats_reset,
1066         .flow_ctrl_get          = cxgbe_flow_ctrl_get,
1067         .flow_ctrl_set          = cxgbe_flow_ctrl_set,
1068         .get_eeprom_length      = cxgbe_get_eeprom_length,
1069         .get_eeprom             = cxgbe_get_eeprom,
1070         .set_eeprom             = cxgbe_set_eeprom,
1071         .get_reg                = cxgbe_get_regs,
1072         .rss_hash_update        = cxgbe_dev_rss_hash_update,
1073         .rss_hash_conf_get      = cxgbe_dev_rss_hash_conf_get,
1074 };
1075
1076 /*
1077  * Initialize driver
1078  * It returns 0 on success.
1079  */
1080 static int eth_cxgbe_dev_init(struct rte_eth_dev *eth_dev)
1081 {
1082         struct rte_pci_device *pci_dev;
1083         struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
1084         struct adapter *adapter = NULL;
1085         char name[RTE_ETH_NAME_MAX_LEN];
1086         int err = 0;
1087
1088         CXGBE_FUNC_TRACE();
1089
1090         eth_dev->dev_ops = &cxgbe_eth_dev_ops;
1091         eth_dev->rx_pkt_burst = &cxgbe_recv_pkts;
1092         eth_dev->tx_pkt_burst = &cxgbe_xmit_pkts;
1093         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1094
1095         /* for secondary processes, we attach to ethdevs allocated by primary
1096          * and do minimal initialization.
1097          */
1098         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1099                 int i;
1100
1101                 for (i = 1; i < MAX_NPORTS; i++) {
1102                         struct rte_eth_dev *rest_eth_dev;
1103                         char namei[RTE_ETH_NAME_MAX_LEN];
1104
1105                         snprintf(namei, sizeof(namei), "%s_%d",
1106                                  pci_dev->device.name, i);
1107                         rest_eth_dev = rte_eth_dev_attach_secondary(namei);
1108                         if (rest_eth_dev) {
1109                                 rest_eth_dev->device = &pci_dev->device;
1110                                 rest_eth_dev->dev_ops =
1111                                         eth_dev->dev_ops;
1112                                 rest_eth_dev->rx_pkt_burst =
1113                                         eth_dev->rx_pkt_burst;
1114                                 rest_eth_dev->tx_pkt_burst =
1115                                         eth_dev->tx_pkt_burst;
1116                         }
1117                 }
1118                 return 0;
1119         }
1120
1121         snprintf(name, sizeof(name), "cxgbeadapter%d", eth_dev->data->port_id);
1122         adapter = rte_zmalloc(name, sizeof(*adapter), 0);
1123         if (!adapter)
1124                 return -1;
1125
1126         adapter->use_unpacked_mode = 1;
1127         adapter->regs = (void *)pci_dev->mem_resource[0].addr;
1128         if (!adapter->regs) {
1129                 dev_err(adapter, "%s: cannot map device registers\n", __func__);
1130                 err = -ENOMEM;
1131                 goto out_free_adapter;
1132         }
1133         adapter->pdev = pci_dev;
1134         adapter->eth_dev = eth_dev;
1135         pi->adapter = adapter;
1136
1137         err = cxgbe_probe(adapter);
1138         if (err) {
1139                 dev_err(adapter, "%s: cxgbe probe failed with err %d\n",
1140                         __func__, err);
1141                 goto out_free_adapter;
1142         }
1143
1144         return 0;
1145
1146 out_free_adapter:
1147         rte_free(adapter);
1148         return err;
1149 }
1150
1151 static int eth_cxgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1152         struct rte_pci_device *pci_dev)
1153 {
1154         return rte_eth_dev_pci_generic_probe(pci_dev,
1155                 sizeof(struct port_info), eth_cxgbe_dev_init);
1156 }
1157
1158 static int eth_cxgbe_pci_remove(struct rte_pci_device *pci_dev)
1159 {
1160         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
1161 }
1162
1163 static struct rte_pci_driver rte_cxgbe_pmd = {
1164         .id_table = cxgb4_pci_tbl,
1165         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1166         .probe = eth_cxgbe_pci_probe,
1167         .remove = eth_cxgbe_pci_remove,
1168 };
1169
1170 RTE_PMD_REGISTER_PCI(net_cxgbe, rte_cxgbe_pmd);
1171 RTE_PMD_REGISTER_PCI_TABLE(net_cxgbe, cxgb4_pci_tbl);
1172 RTE_PMD_REGISTER_KMOD_DEP(net_cxgbe, "* igb_uio | uio_pci_generic | vfio-pci");