drivers/net/thunderx/nicvf_ethdev.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium, Inc. 2016.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium, Inc nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <assert.h>
  34 #include <stdio.h>
  35 #include <stdbool.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 #include <sys/queue.h>
  44
  45 #include <rte_alarm.h>
  46 #include <rte_atomic.h>
  47 #include <rte_branch_prediction.h>
  48 #include <rte_byteorder.h>
  49 #include <rte_common.h>
  50 #include <rte_cycles.h>
  51 #include <rte_debug.h>
  52 #include <rte_dev.h>
  53 #include <rte_eal.h>
  54 #include <rte_ether.h>
  55 #include <rte_ethdev.h>
  56 #include <rte_ethdev_pci.h>
  57 #include <rte_interrupts.h>
  58 #include <rte_log.h>
  59 #include <rte_memory.h>
  60 #include <rte_memzone.h>
  61 #include <rte_malloc.h>
  62 #include <rte_random.h>
  63 #include <rte_pci.h>
  64 #include <rte_bus_pci.h>
  65 #include <rte_tailq.h>
  66
  67 #include "base/nicvf_plat.h"
  68
  69 #include "nicvf_ethdev.h"
  70 #include "nicvf_rxtx.h"
  71 #include "nicvf_svf.h"
  72 #include "nicvf_logs.h"
  73
  74 static void nicvf_dev_stop(struct rte_eth_dev *dev);
  75 static void nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup);
  76 static void nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic,
  77                           bool cleanup);
  78
  79 static inline int
  80 nicvf_atomic_write_link_status(struct rte_eth_dev *dev,
  81                                struct rte_eth_link *link)
  82 {
  83         struct rte_eth_link *dst = &dev->data->dev_link;
  84         struct rte_eth_link *src = link;
  85
  86         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
  87                 *(uint64_t *)src) == 0)
  88                 return -1;
  89
  90         return 0;
  91 }
  92
  93 static inline void
  94 nicvf_set_eth_link_status(struct nicvf *nic, struct rte_eth_link *link)
  95 {
  96         link->link_status = nic->link_up;
  97         link->link_duplex = ETH_LINK_AUTONEG;
  98         if (nic->duplex == NICVF_HALF_DUPLEX)
  99                 link->link_duplex = ETH_LINK_HALF_DUPLEX;
 100         else if (nic->duplex == NICVF_FULL_DUPLEX)
 101                 link->link_duplex = ETH_LINK_FULL_DUPLEX;
 102         link->link_speed = nic->speed;
 103         link->link_autoneg = ETH_LINK_AUTONEG;
 104 }
 105
 106 static void
 107 nicvf_interrupt(void *arg)
 108 {
 109         struct rte_eth_dev *dev = arg;
 110         struct nicvf *nic = nicvf_pmd_priv(dev);
 111
 112         if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) {
 113                 if (dev->data->dev_conf.intr_conf.lsc)
 114                         nicvf_set_eth_link_status(nic, &dev->data->dev_link);
 115                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
 116                                               NULL, NULL);
 117         }
 118
 119         rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
 120                                 nicvf_interrupt, dev);
 121 }
 122
 123 static void
 124 nicvf_vf_interrupt(void *arg)
 125 {
 126         struct nicvf *nic = arg;
 127
 128         nicvf_reg_poll_interrupts(nic);
 129
 130         rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
 131                                 nicvf_vf_interrupt, nic);
 132 }
 133
 134 static int
 135 nicvf_periodic_alarm_start(void (fn)(void *), void *arg)
 136 {
 137         return rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, fn, arg);
 138 }
 139
 140 static int
 141 nicvf_periodic_alarm_stop(void (fn)(void *), void *arg)
 142 {
 143         return rte_eal_alarm_cancel(fn, arg);
 144 }
 145
 146 /*
 147  * Return 0 means link status changed, -1 means not changed
 148  */
 149 static int
 150 nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
 151 {
 152 #define CHECK_INTERVAL 100  /* 100ms */
 153 #define MAX_CHECK_TIME 90   /* 9s (90 * 100ms) in total */
 154         struct rte_eth_link link;
 155         struct nicvf *nic = nicvf_pmd_priv(dev);
 156         int i;
 157
 158         PMD_INIT_FUNC_TRACE();
 159
 160         if (wait_to_complete) {
 161                 /* rte_eth_link_get() might need to wait up to 9 seconds */
 162                 for (i = 0; i < MAX_CHECK_TIME; i++) {
 163                         memset(&link, 0, sizeof(link));
 164                         nicvf_set_eth_link_status(nic, &link);
 165                         if (link.link_status)
 166                                 break;
 167                         rte_delay_ms(CHECK_INTERVAL);
 168                 }
 169         } else {
 170                 memset(&link, 0, sizeof(link));
 171                 nicvf_set_eth_link_status(nic, &link);
 172         }
 173         return nicvf_atomic_write_link_status(dev, &link);
 174 }
 175
 176 static int
 177 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 178 {
 179         struct nicvf *nic = nicvf_pmd_priv(dev);
 180         uint32_t buffsz, frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 181         size_t i;
 182
 183         PMD_INIT_FUNC_TRACE();
 184
 185         if (frame_size > NIC_HW_MAX_FRS)
 186                 return -EINVAL;
 187
 188         if (frame_size < NIC_HW_MIN_FRS)
 189                 return -EINVAL;
 190
 191         buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 192
 193         /*
 194          * Refuse mtu that requires the support of scattered packets
 195          * when this feature has not been enabled before.
 196          */
 197         if (!dev->data->scattered_rx &&
 198                 (frame_size + 2 * VLAN_TAG_SIZE > buffsz))
 199                 return -EINVAL;
 200
 201         /* check <seg size> * <max_seg>  >= max_frame */
 202         if (dev->data->scattered_rx &&
 203                 (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS))
 204                 return -EINVAL;
 205
 206         if (frame_size > ETHER_MAX_LEN)
 207                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
 208         else
 209                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
 210
 211         if (nicvf_mbox_update_hw_max_frs(nic, frame_size))
 212                 return -EINVAL;
 213
 214         /* Update max frame size */
 215         dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)frame_size;
 216         nic->mtu = mtu;
 217
 218         for (i = 0; i < nic->sqs_count; i++)
 219                 nic->snicvf[i]->mtu = mtu;
 220
 221         return 0;
 222 }
 223
 224 static int
 225 nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs)
 226 {
 227         uint64_t *data = regs->data;
 228         struct nicvf *nic = nicvf_pmd_priv(dev);
 229
 230         if (data == NULL) {
 231                 regs->length = nicvf_reg_get_count();
 232                 regs->width = THUNDERX_REG_BYTES;
 233                 return 0;
 234         }
 235
 236         /* Support only full register dump */
 237         if ((regs->length == 0) ||
 238                 (regs->length == (uint32_t)nicvf_reg_get_count())) {
 239                 regs->version = nic->vendor_id << 16 | nic->device_id;
 240                 nicvf_reg_dump(nic, data);
 241                 return 0;
 242         }
 243         return -ENOTSUP;
 244 }
 245
 246 static int
 247 nicvf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 248 {
 249         uint16_t qidx;
 250         struct nicvf_hw_rx_qstats rx_qstats;
 251         struct nicvf_hw_tx_qstats tx_qstats;
 252         struct nicvf_hw_stats port_stats;
 253         struct nicvf *nic = nicvf_pmd_priv(dev);
 254         uint16_t rx_start, rx_end;
 255         uint16_t tx_start, tx_end;
 256         size_t i;
 257
 258         /* RX queue indices for the first VF */
 259         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 260
 261         /* Reading per RX ring stats */
 262         for (qidx = rx_start; qidx <= rx_end; qidx++) {
 263                 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 264                         break;
 265
 266                 nicvf_hw_get_rx_qstats(nic, &rx_qstats, qidx);
 267                 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
 268                 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
 269         }
 270
 271         /* TX queue indices for the first VF */
 272         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
 273
 274         /* Reading per TX ring stats */
 275         for (qidx = tx_start; qidx <= tx_end; qidx++) {
 276                 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 277                         break;
 278
 279                 nicvf_hw_get_tx_qstats(nic, &tx_qstats, qidx);
 280                 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
 281                 stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
 282         }
 283
 284         for (i = 0; i < nic->sqs_count; i++) {
 285                 struct nicvf *snic = nic->snicvf[i];
 286
 287                 if (snic == NULL)
 288                         break;
 289
 290                 /* RX queue indices for a secondary VF */
 291                 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
 292
 293                 /* Reading per RX ring stats */
 294                 for (qidx = rx_start; qidx <= rx_end; qidx++) {
 295                         if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 296                                 break;
 297
 298                         nicvf_hw_get_rx_qstats(snic, &rx_qstats,
 299                                                qidx % MAX_RCV_QUEUES_PER_QS);
 300                         stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
 301                         stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
 302                 }
 303
 304                 /* TX queue indices for a secondary VF */
 305                 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
 306                 /* Reading per TX ring stats */
 307                 for (qidx = tx_start; qidx <= tx_end; qidx++) {
 308                         if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 309                                 break;
 310
 311                         nicvf_hw_get_tx_qstats(snic, &tx_qstats,
 312                                                qidx % MAX_SND_QUEUES_PER_QS);
 313                         stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
 314                         stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
 315                 }
 316         }
 317
 318         nicvf_hw_get_stats(nic, &port_stats);
 319         stats->ibytes = port_stats.rx_bytes;
 320         stats->ipackets = port_stats.rx_ucast_frames;
 321         stats->ipackets += port_stats.rx_bcast_frames;
 322         stats->ipackets += port_stats.rx_mcast_frames;
 323         stats->ierrors = port_stats.rx_l2_errors;
 324         stats->imissed = port_stats.rx_drop_red;
 325         stats->imissed += port_stats.rx_drop_overrun;
 326         stats->imissed += port_stats.rx_drop_bcast;
 327         stats->imissed += port_stats.rx_drop_mcast;
 328         stats->imissed += port_stats.rx_drop_l3_bcast;
 329         stats->imissed += port_stats.rx_drop_l3_mcast;
 330
 331         stats->obytes = port_stats.tx_bytes_ok;
 332         stats->opackets = port_stats.tx_ucast_frames_ok;
 333         stats->opackets += port_stats.tx_bcast_frames_ok;
 334         stats->opackets += port_stats.tx_mcast_frames_ok;
 335         stats->oerrors = port_stats.tx_drops;
 336
 337         return 0;
 338 }
 339
 340 static const uint32_t *
 341 nicvf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 342 {
 343         size_t copied;
 344         static uint32_t ptypes[32];
 345         struct nicvf *nic = nicvf_pmd_priv(dev);
 346         static const uint32_t ptypes_common[] = {
 347                 RTE_PTYPE_L3_IPV4,
 348                 RTE_PTYPE_L3_IPV4_EXT,
 349                 RTE_PTYPE_L3_IPV6,
 350                 RTE_PTYPE_L3_IPV6_EXT,
 351                 RTE_PTYPE_L4_TCP,
 352                 RTE_PTYPE_L4_UDP,
 353                 RTE_PTYPE_L4_FRAG,
 354         };
 355         static const uint32_t ptypes_tunnel[] = {
 356                 RTE_PTYPE_TUNNEL_GRE,
 357                 RTE_PTYPE_TUNNEL_GENEVE,
 358                 RTE_PTYPE_TUNNEL_VXLAN,
 359                 RTE_PTYPE_TUNNEL_NVGRE,
 360         };
 361         static const uint32_t ptypes_end = RTE_PTYPE_UNKNOWN;
 362
 363         copied = sizeof(ptypes_common);
 364         memcpy(ptypes, ptypes_common, copied);
 365         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 366                 memcpy((char *)ptypes + copied, ptypes_tunnel,
 367                         sizeof(ptypes_tunnel));
 368                 copied += sizeof(ptypes_tunnel);
 369         }
 370
 371         memcpy((char *)ptypes + copied, &ptypes_end, sizeof(ptypes_end));
 372         if (dev->rx_pkt_burst == nicvf_recv_pkts ||
 373                 dev->rx_pkt_burst == nicvf_recv_pkts_multiseg)
 374                 return ptypes;
 375
 376         return NULL;
 377 }
 378
 379 static void
 380 nicvf_dev_stats_reset(struct rte_eth_dev *dev)
 381 {
 382         int i;
 383         uint16_t rxqs = 0, txqs = 0;
 384         struct nicvf *nic = nicvf_pmd_priv(dev);
 385         uint16_t rx_start, rx_end;
 386         uint16_t tx_start, tx_end;
 387
 388         /* Reset all primary nic counters */
 389         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 390         for (i = rx_start; i <= rx_end; i++)
 391                 rxqs |= (0x3 << (i * 2));
 392
 393         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
 394         for (i = tx_start; i <= tx_end; i++)
 395                 txqs |= (0x3 << (i * 2));
 396
 397         nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, rxqs, txqs);
 398
 399         /* Reset secondary nic queue counters */
 400         for (i = 0; i < nic->sqs_count; i++) {
 401                 struct nicvf *snic = nic->snicvf[i];
 402                 if (snic == NULL)
 403                         break;
 404
 405                 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
 406                 for (i = rx_start; i <= rx_end; i++)
 407                         rxqs |= (0x3 << ((i % MAX_CMP_QUEUES_PER_QS) * 2));
 408
 409                 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
 410                 for (i = tx_start; i <= tx_end; i++)
 411                         txqs |= (0x3 << ((i % MAX_SND_QUEUES_PER_QS) * 2));
 412
 413                 nicvf_mbox_reset_stat_counters(snic, 0, 0, rxqs, txqs);
 414         }
 415 }
 416
 417 /* Promiscuous mode enabled by default in LMAC to VF 1:1 map configuration */
 418 static void
 419 nicvf_dev_promisc_enable(struct rte_eth_dev *dev __rte_unused)
 420 {
 421 }
 422
 423 static inline uint64_t
 424 nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss)
 425 {
 426         uint64_t nic_rss = 0;
 427
 428         if (ethdev_rss & ETH_RSS_IPV4)
 429                 nic_rss |= RSS_IP_ENA;
 430
 431         if (ethdev_rss & ETH_RSS_IPV6)
 432                 nic_rss |= RSS_IP_ENA;
 433
 434         if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP)
 435                 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
 436
 437         if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP)
 438                 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
 439
 440         if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP)
 441                 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
 442
 443         if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP)
 444                 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
 445
 446         if (ethdev_rss & ETH_RSS_PORT)
 447                 nic_rss |= RSS_L2_EXTENDED_HASH_ENA;
 448
 449         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 450                 if (ethdev_rss & ETH_RSS_VXLAN)
 451                         nic_rss |= RSS_TUN_VXLAN_ENA;
 452
 453                 if (ethdev_rss & ETH_RSS_GENEVE)
 454                         nic_rss |= RSS_TUN_GENEVE_ENA;
 455
 456                 if (ethdev_rss & ETH_RSS_NVGRE)
 457                         nic_rss |= RSS_TUN_NVGRE_ENA;
 458         }
 459
 460         return nic_rss;
 461 }
 462
 463 static inline uint64_t
 464 nicvf_rss_nic_to_ethdev(struct nicvf *nic,  uint64_t nic_rss)
 465 {
 466         uint64_t ethdev_rss = 0;
 467
 468         if (nic_rss & RSS_IP_ENA)
 469                 ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6);
 470
 471         if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA))
 472                 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP |
 473                                 ETH_RSS_NONFRAG_IPV6_TCP);
 474
 475         if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA))
 476                 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP |
 477                                 ETH_RSS_NONFRAG_IPV6_UDP);
 478
 479         if (nic_rss & RSS_L2_EXTENDED_HASH_ENA)
 480                 ethdev_rss |= ETH_RSS_PORT;
 481
 482         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 483                 if (nic_rss & RSS_TUN_VXLAN_ENA)
 484                         ethdev_rss |= ETH_RSS_VXLAN;
 485
 486                 if (nic_rss & RSS_TUN_GENEVE_ENA)
 487                         ethdev_rss |= ETH_RSS_GENEVE;
 488
 489                 if (nic_rss & RSS_TUN_NVGRE_ENA)
 490                         ethdev_rss |= ETH_RSS_NVGRE;
 491         }
 492         return ethdev_rss;
 493 }
 494
 495 static int
 496 nicvf_dev_reta_query(struct rte_eth_dev *dev,
 497                      struct rte_eth_rss_reta_entry64 *reta_conf,
 498                      uint16_t reta_size)
 499 {
 500         struct nicvf *nic = nicvf_pmd_priv(dev);
 501         uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
 502         int ret, i, j;
 503
 504         if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
 505                 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
 506                         "(%d) doesn't match the number hardware can supported "
 507                         "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
 508                 return -EINVAL;
 509         }
 510
 511         ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 512         if (ret)
 513                 return ret;
 514
 515         /* Copy RETA table */
 516         for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
 517                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
 518                         if ((reta_conf[i].mask >> j) & 0x01)
 519                                 reta_conf[i].reta[j] = tbl[j];
 520         }
 521
 522         return 0;
 523 }
 524
 525 static int
 526 nicvf_dev_reta_update(struct rte_eth_dev *dev,
 527                       struct rte_eth_rss_reta_entry64 *reta_conf,
 528                       uint16_t reta_size)
 529 {
 530         struct nicvf *nic = nicvf_pmd_priv(dev);
 531         uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
 532         int ret, i, j;
 533
 534         if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
 535                 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
 536                         "(%d) doesn't match the number hardware can supported "
 537                         "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
 538                 return -EINVAL;
 539         }
 540
 541         ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 542         if (ret)
 543                 return ret;
 544
 545         /* Copy RETA table */
 546         for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
 547                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
 548                         if ((reta_conf[i].mask >> j) & 0x01)
 549                                 tbl[j] = reta_conf[i].reta[j];
 550         }
 551
 552         return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 553 }
 554
 555 static int
 556 nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 557                             struct rte_eth_rss_conf *rss_conf)
 558 {
 559         struct nicvf *nic = nicvf_pmd_priv(dev);
 560
 561         if (rss_conf->rss_key)
 562                 nicvf_rss_get_key(nic, rss_conf->rss_key);
 563
 564         rss_conf->rss_key_len =  RSS_HASH_KEY_BYTE_SIZE;
 565         rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic));
 566         return 0;
 567 }
 568
 569 static int
 570 nicvf_dev_rss_hash_update(struct rte_eth_dev *dev,
 571                           struct rte_eth_rss_conf *rss_conf)
 572 {
 573         struct nicvf *nic = nicvf_pmd_priv(dev);
 574         uint64_t nic_rss;
 575
 576         if (rss_conf->rss_key &&
 577                 rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) {
 578                 RTE_LOG(ERR, PMD, "Hash key size mismatch %d",
 579                                 rss_conf->rss_key_len);
 580                 return -EINVAL;
 581         }
 582
 583         if (rss_conf->rss_key)
 584                 nicvf_rss_set_key(nic, rss_conf->rss_key);
 585
 586         nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf);
 587         nicvf_rss_set_cfg(nic, nic_rss);
 588         return 0;
 589 }
 590
 591 static int
 592 nicvf_qset_cq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 593                     struct nicvf_rxq *rxq, uint16_t qidx, uint32_t desc_cnt)
 594 {
 595         const struct rte_memzone *rz;
 596         uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t);
 597
 598         rz = rte_eth_dma_zone_reserve(dev, "cq_ring",
 599                                       nicvf_netdev_qidx(nic, qidx), ring_size,
 600                                       NICVF_CQ_BASE_ALIGN_BYTES, nic->node);
 601         if (rz == NULL) {
 602                 PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring");
 603                 return -ENOMEM;
 604         }
 605
 606         memset(rz->addr, 0, ring_size);
 607
 608         rxq->phys = rz->iova;
 609         rxq->desc = rz->addr;
 610         rxq->qlen_mask = desc_cnt - 1;
 611
 612         return 0;
 613 }
 614
 615 static int
 616 nicvf_qset_sq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 617                     struct nicvf_txq *sq, uint16_t qidx, uint32_t desc_cnt)
 618 {
 619         const struct rte_memzone *rz;
 620         uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t);
 621
 622         rz = rte_eth_dma_zone_reserve(dev, "sq",
 623                                       nicvf_netdev_qidx(nic, qidx), ring_size,
 624                                       NICVF_SQ_BASE_ALIGN_BYTES, nic->node);
 625         if (rz == NULL) {
 626                 PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring");
 627                 return -ENOMEM;
 628         }
 629
 630         memset(rz->addr, 0, ring_size);
 631
 632         sq->phys = rz->iova;
 633         sq->desc = rz->addr;
 634         sq->qlen_mask = desc_cnt - 1;
 635
 636         return 0;
 637 }
 638
 639 static int
 640 nicvf_qset_rbdr_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 641                       uint32_t desc_cnt, uint32_t buffsz)
 642 {
 643         struct nicvf_rbdr *rbdr;
 644         const struct rte_memzone *rz;
 645         uint32_t ring_size;
 646
 647         assert(nic->rbdr == NULL);
 648         rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr),
 649                                   RTE_CACHE_LINE_SIZE, nic->node);
 650         if (rbdr == NULL) {
 651                 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr");
 652                 return -ENOMEM;
 653         }
 654
 655         ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX;
 656         rz = rte_eth_dma_zone_reserve(dev, "rbdr",
 657                                       nicvf_netdev_qidx(nic, 0), ring_size,
 658                                       NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
 659         if (rz == NULL) {
 660                 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring");
 661                 return -ENOMEM;
 662         }
 663
 664         memset(rz->addr, 0, ring_size);
 665
 666         rbdr->phys = rz->iova;
 667         rbdr->tail = 0;
 668         rbdr->next_tail = 0;
 669         rbdr->desc = rz->addr;
 670         rbdr->buffsz = buffsz;
 671         rbdr->qlen_mask = desc_cnt - 1;
 672         rbdr->rbdr_status =
 673                 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0;
 674         rbdr->rbdr_door =
 675                 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR;
 676
 677         nic->rbdr = rbdr;
 678         return 0;
 679 }
 680
 681 static void
 682 nicvf_rbdr_release_mbuf(struct rte_eth_dev *dev, struct nicvf *nic,
 683                         nicvf_iova_addr_t phy)
 684 {
 685         uint16_t qidx;
 686         void *obj;
 687         struct nicvf_rxq *rxq;
 688         uint16_t rx_start, rx_end;
 689
 690         /* Get queue ranges for this VF */
 691         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 692
 693         for (qidx = rx_start; qidx <= rx_end; qidx++) {
 694                 rxq = dev->data->rx_queues[qidx];
 695                 if (rxq->precharge_cnt) {
 696                         obj = (void *)nicvf_mbuff_phy2virt(phy,
 697                                                            rxq->mbuf_phys_off);
 698                         rte_mempool_put(rxq->pool, obj);
 699                         rxq->precharge_cnt--;
 700                         break;
 701                 }
 702         }
 703 }
 704
 705 static inline void
 706 nicvf_rbdr_release_mbufs(struct rte_eth_dev *dev, struct nicvf *nic)
 707 {
 708         uint32_t qlen_mask, head;
 709         struct rbdr_entry_t *entry;
 710         struct nicvf_rbdr *rbdr = nic->rbdr;
 711
 712         qlen_mask = rbdr->qlen_mask;
 713         head = rbdr->head;
 714         while (head != rbdr->tail) {
 715                 entry = rbdr->desc + head;
 716                 nicvf_rbdr_release_mbuf(dev, nic, entry->full_addr);
 717                 head++;
 718                 head = head & qlen_mask;
 719         }
 720 }
 721
 722 static inline void
 723 nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq)
 724 {
 725         uint32_t head;
 726
 727         head = txq->head;
 728         while (head != txq->tail) {
 729                 if (txq->txbuffs[head]) {
 730                         rte_pktmbuf_free_seg(txq->txbuffs[head]);
 731                         txq->txbuffs[head] = NULL;
 732                 }
 733                 head++;
 734                 head = head & txq->qlen_mask;
 735         }
 736 }
 737
 738 static void
 739 nicvf_tx_queue_reset(struct nicvf_txq *txq)
 740 {
 741         uint32_t txq_desc_cnt = txq->qlen_mask + 1;
 742
 743         memset(txq->desc, 0, sizeof(union sq_entry_t) * txq_desc_cnt);
 744         memset(txq->txbuffs, 0, sizeof(struct rte_mbuf *) * txq_desc_cnt);
 745         txq->tail = 0;
 746         txq->head = 0;
 747         txq->xmit_bufs = 0;
 748 }
 749
 750 static inline int
 751 nicvf_vf_start_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
 752                         uint16_t qidx)
 753 {
 754         struct nicvf_txq *txq;
 755         int ret;
 756
 757         assert(qidx < MAX_SND_QUEUES_PER_QS);
 758
 759         if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
 760                 RTE_ETH_QUEUE_STATE_STARTED)
 761                 return 0;
 762
 763         txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
 764         txq->pool = NULL;
 765         ret = nicvf_qset_sq_config(nic, qidx, txq);
 766         if (ret) {
 767                 PMD_INIT_LOG(ERR, "Failed to configure sq VF%d %d %d",
 768                              nic->vf_id, qidx, ret);
 769                 goto config_sq_error;
 770         }
 771
 772         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
 773                 RTE_ETH_QUEUE_STATE_STARTED;
 774         return ret;
 775
 776 config_sq_error:
 777         nicvf_qset_sq_reclaim(nic, qidx);
 778         return ret;
 779 }
 780
 781 static inline int
 782 nicvf_vf_stop_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
 783                        uint16_t qidx)
 784 {
 785         struct nicvf_txq *txq;
 786         int ret;
 787
 788         assert(qidx < MAX_SND_QUEUES_PER_QS);
 789
 790         if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
 791                 RTE_ETH_QUEUE_STATE_STOPPED)
 792                 return 0;
 793
 794         ret = nicvf_qset_sq_reclaim(nic, qidx);
 795         if (ret)
 796                 PMD_INIT_LOG(ERR, "Failed to reclaim sq VF%d %d %d",
 797                              nic->vf_id, qidx, ret);
 798
 799         txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
 800         nicvf_tx_queue_release_mbufs(txq);
 801         nicvf_tx_queue_reset(txq);
 802
 803         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
 804                 RTE_ETH_QUEUE_STATE_STOPPED;
 805         return ret;
 806 }
 807
 808 static inline int
 809 nicvf_configure_cpi(struct rte_eth_dev *dev)
 810 {
 811         struct nicvf *nic = nicvf_pmd_priv(dev);
 812         uint16_t qidx, qcnt;
 813         int ret;
 814
 815         /* Count started rx queues */
 816         for (qidx = qcnt = 0; qidx < dev->data->nb_rx_queues; qidx++)
 817                 if (dev->data->rx_queue_state[qidx] ==
 818                     RTE_ETH_QUEUE_STATE_STARTED)
 819                         qcnt++;
 820
 821         nic->cpi_alg = CPI_ALG_NONE;
 822         ret = nicvf_mbox_config_cpi(nic, qcnt);
 823         if (ret)
 824                 PMD_INIT_LOG(ERR, "Failed to configure CPI %d", ret);
 825
 826         return ret;
 827 }
 828
 829 static inline int
 830 nicvf_configure_rss(struct rte_eth_dev *dev)
 831 {
 832         struct nicvf *nic = nicvf_pmd_priv(dev);
 833         uint64_t rsshf;
 834         int ret = -EINVAL;
 835
 836         rsshf = nicvf_rss_ethdev_to_nic(nic,
 837                         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
 838         PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64,
 839                     dev->data->dev_conf.rxmode.mq_mode,
 840                     dev->data->nb_rx_queues,
 841                     dev->data->dev_conf.lpbk_mode, rsshf);
 842
 843         if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
 844                 ret = nicvf_rss_term(nic);
 845         else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
 846                 ret = nicvf_rss_config(nic, dev->data->nb_rx_queues, rsshf);
 847         if (ret)
 848                 PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret);
 849
 850         return ret;
 851 }
 852
 853 static int
 854 nicvf_configure_rss_reta(struct rte_eth_dev *dev)
 855 {
 856         struct nicvf *nic = nicvf_pmd_priv(dev);
 857         unsigned int idx, qmap_size;
 858         uint8_t qmap[RTE_MAX_QUEUES_PER_PORT];
 859         uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE];
 860
 861         if (nic->cpi_alg != CPI_ALG_NONE)
 862                 return -EINVAL;
 863
 864         /* Prepare queue map */
 865         for (idx = 0, qmap_size = 0; idx < dev->data->nb_rx_queues; idx++) {
 866                 if (dev->data->rx_queue_state[idx] ==
 867                                 RTE_ETH_QUEUE_STATE_STARTED)
 868                         qmap[qmap_size++] = idx;
 869         }
 870
 871         /* Update default RSS RETA */
 872         for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++)
 873                 default_reta[idx] = qmap[idx % qmap_size];
 874
 875         return nicvf_rss_reta_update(nic, default_reta,
 876                                      NIC_MAX_RSS_IDR_TBL_SIZE);
 877 }
 878
 879 static void
 880 nicvf_dev_tx_queue_release(void *sq)
 881 {
 882         struct nicvf_txq *txq;
 883
 884         PMD_INIT_FUNC_TRACE();
 885
 886         txq = (struct nicvf_txq *)sq;
 887         if (txq) {
 888                 if (txq->txbuffs != NULL) {
 889                         nicvf_tx_queue_release_mbufs(txq);
 890                         rte_free(txq->txbuffs);
 891                         txq->txbuffs = NULL;
 892                 }
 893                 rte_free(txq);
 894         }
 895 }
 896
 897 static void
 898 nicvf_set_tx_function(struct rte_eth_dev *dev)
 899 {
 900         struct nicvf_txq *txq;
 901         size_t i;
 902         bool multiseg = false;
 903
 904         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 905                 txq = dev->data->tx_queues[i];
 906                 if ((txq->txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS) == 0) {
 907                         multiseg = true;
 908                         break;
 909                 }
 910         }
 911
 912         /* Use a simple Tx queue (no offloads, no multi segs) if possible */
 913         if (multiseg) {
 914                 PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback");
 915                 dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg;
 916         } else {
 917                 PMD_DRV_LOG(DEBUG, "Using single-segment tx callback");
 918                 dev->tx_pkt_burst = nicvf_xmit_pkts;
 919         }
 920
 921         if (txq->pool_free == nicvf_single_pool_free_xmited_buffers)
 922                 PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method");
 923         else
 924                 PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method");
 925 }
 926
 927 static void
 928 nicvf_set_rx_function(struct rte_eth_dev *dev)
 929 {
 930         if (dev->data->scattered_rx) {
 931                 PMD_DRV_LOG(DEBUG, "Using multi-segment rx callback");
 932                 dev->rx_pkt_burst = nicvf_recv_pkts_multiseg;
 933         } else {
 934                 PMD_DRV_LOG(DEBUG, "Using single-segment rx callback");
 935                 dev->rx_pkt_burst = nicvf_recv_pkts;
 936         }
 937 }
 938
 939 static int
 940 nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 941                          uint16_t nb_desc, unsigned int socket_id,
 942                          const struct rte_eth_txconf *tx_conf)
 943 {
 944         uint16_t tx_free_thresh;
 945         uint8_t is_single_pool;
 946         struct nicvf_txq *txq;
 947         struct nicvf *nic = nicvf_pmd_priv(dev);
 948
 949         PMD_INIT_FUNC_TRACE();
 950
 951         if (qidx >= MAX_SND_QUEUES_PER_QS)
 952                 nic = nic->snicvf[qidx / MAX_SND_QUEUES_PER_QS - 1];
 953
 954         qidx = qidx % MAX_SND_QUEUES_PER_QS;
 955
 956         /* Socket id check */
 957         if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node)
 958                 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d",
 959                 socket_id, nic->node);
 960
 961         /* Tx deferred start is not supported */
 962         if (tx_conf->tx_deferred_start) {
 963                 PMD_INIT_LOG(ERR, "Tx deferred start not supported");
 964                 return -EINVAL;
 965         }
 966
 967         /* Roundup nb_desc to available qsize and validate max number of desc */
 968         nb_desc = nicvf_qsize_sq_roundup(nb_desc);
 969         if (nb_desc == 0) {
 970                 PMD_INIT_LOG(ERR, "Value of nb_desc beyond available sq qsize");
 971                 return -EINVAL;
 972         }
 973
 974         /* Validate tx_free_thresh */
 975         tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
 976                                 tx_conf->tx_free_thresh :
 977                                 NICVF_DEFAULT_TX_FREE_THRESH);
 978
 979         if (tx_free_thresh > (nb_desc) ||
 980                 tx_free_thresh > NICVF_MAX_TX_FREE_THRESH) {
 981                 PMD_INIT_LOG(ERR,
 982                         "tx_free_thresh must be less than the number of TX "
 983                         "descriptors. (tx_free_thresh=%u port=%d "
 984                         "queue=%d)", (unsigned int)tx_free_thresh,
 985                         (int)dev->data->port_id, (int)qidx);
 986                 return -EINVAL;
 987         }
 988
 989         /* Free memory prior to re-allocation if needed. */
 990         if (dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) {
 991                 PMD_TX_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
 992                                 nicvf_netdev_qidx(nic, qidx));
 993                 nicvf_dev_tx_queue_release(
 994                         dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)]);
 995                 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL;
 996         }
 997
 998         /* Allocating tx queue data structure */
 999         txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct nicvf_txq),
1000                                         RTE_CACHE_LINE_SIZE, nic->node);
1001         if (txq == NULL) {
1002                 PMD_INIT_LOG(ERR, "Failed to allocate txq=%d",
1003                              nicvf_netdev_qidx(nic, qidx));
1004                 return -ENOMEM;
1005         }
1006
1007         txq->nic = nic;
1008         txq->queue_id = qidx;
1009         txq->tx_free_thresh = tx_free_thresh;
1010         txq->txq_flags = tx_conf->txq_flags;
1011         txq->sq_head = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_HEAD;
1012         txq->sq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_DOOR;
1013         is_single_pool = (txq->txq_flags & ETH_TXQ_FLAGS_NOREFCOUNT &&
1014                                 txq->txq_flags & ETH_TXQ_FLAGS_NOMULTMEMP);
1015
1016         /* Choose optimum free threshold value for multipool case */
1017         if (!is_single_pool) {
1018                 txq->tx_free_thresh = (uint16_t)
1019                 (tx_conf->tx_free_thresh == NICVF_DEFAULT_TX_FREE_THRESH ?
1020                                 NICVF_TX_FREE_MPOOL_THRESH :
1021                                 tx_conf->tx_free_thresh);
1022                 txq->pool_free = nicvf_multi_pool_free_xmited_buffers;
1023         } else {
1024                 txq->pool_free = nicvf_single_pool_free_xmited_buffers;
1025         }
1026
1027         /* Allocate software ring */
1028         txq->txbuffs = rte_zmalloc_socket("txq->txbuffs",
1029                                 nb_desc * sizeof(struct rte_mbuf *),
1030                                 RTE_CACHE_LINE_SIZE, nic->node);
1031
1032         if (txq->txbuffs == NULL) {
1033                 nicvf_dev_tx_queue_release(txq);
1034                 return -ENOMEM;
1035         }
1036
1037         if (nicvf_qset_sq_alloc(dev, nic, txq, qidx, nb_desc)) {
1038                 PMD_INIT_LOG(ERR, "Failed to allocate mem for sq %d", qidx);
1039                 nicvf_dev_tx_queue_release(txq);
1040                 return -ENOMEM;
1041         }
1042
1043         nicvf_tx_queue_reset(txq);
1044
1045         PMD_TX_LOG(DEBUG, "[%d] txq=%p nb_desc=%d desc=%p phys=0x%" PRIx64,
1046                         nicvf_netdev_qidx(nic, qidx), txq, nb_desc, txq->desc,
1047                         txq->phys);
1048
1049         dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = txq;
1050         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1051                 RTE_ETH_QUEUE_STATE_STOPPED;
1052         return 0;
1053 }
1054
1055 static inline void
1056 nicvf_rx_queue_release_mbufs(struct rte_eth_dev *dev, struct nicvf_rxq *rxq)
1057 {
1058         uint32_t rxq_cnt;
1059         uint32_t nb_pkts, released_pkts = 0;
1060         uint32_t refill_cnt = 0;
1061         struct rte_mbuf *rx_pkts[NICVF_MAX_RX_FREE_THRESH];
1062
1063         if (dev->rx_pkt_burst == NULL)
1064                 return;
1065
1066         while ((rxq_cnt = nicvf_dev_rx_queue_count(dev,
1067                                 nicvf_netdev_qidx(rxq->nic, rxq->queue_id)))) {
1068                 nb_pkts = dev->rx_pkt_burst(rxq, rx_pkts,
1069                                         NICVF_MAX_RX_FREE_THRESH);
1070                 PMD_DRV_LOG(INFO, "nb_pkts=%d  rxq_cnt=%d", nb_pkts, rxq_cnt);
1071                 while (nb_pkts) {
1072                         rte_pktmbuf_free_seg(rx_pkts[--nb_pkts]);
1073                         released_pkts++;
1074                 }
1075         }
1076
1077
1078         refill_cnt += nicvf_dev_rbdr_refill(dev,
1079                         nicvf_netdev_qidx(rxq->nic, rxq->queue_id));
1080
1081         PMD_DRV_LOG(INFO, "free_cnt=%d  refill_cnt=%d",
1082                     released_pkts, refill_cnt);
1083 }
1084
1085 static void
1086 nicvf_rx_queue_reset(struct nicvf_rxq *rxq)
1087 {
1088         rxq->head = 0;
1089         rxq->available_space = 0;
1090         rxq->recv_buffers = 0;
1091 }
1092
1093 static inline int
1094 nicvf_vf_start_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1095                         uint16_t qidx)
1096 {
1097         struct nicvf_rxq *rxq;
1098         int ret;
1099
1100         assert(qidx < MAX_RCV_QUEUES_PER_QS);
1101
1102         if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1103                 RTE_ETH_QUEUE_STATE_STARTED)
1104                 return 0;
1105
1106         /* Update rbdr pointer to all rxq */
1107         rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1108         rxq->shared_rbdr = nic->rbdr;
1109
1110         ret = nicvf_qset_rq_config(nic, qidx, rxq);
1111         if (ret) {
1112                 PMD_INIT_LOG(ERR, "Failed to configure rq VF%d %d %d",
1113                              nic->vf_id, qidx, ret);
1114                 goto config_rq_error;
1115         }
1116         ret = nicvf_qset_cq_config(nic, qidx, rxq);
1117         if (ret) {
1118                 PMD_INIT_LOG(ERR, "Failed to configure cq VF%d %d %d",
1119                              nic->vf_id, qidx, ret);
1120                 goto config_cq_error;
1121         }
1122
1123         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1124                 RTE_ETH_QUEUE_STATE_STARTED;
1125         return 0;
1126
1127 config_cq_error:
1128         nicvf_qset_cq_reclaim(nic, qidx);
1129 config_rq_error:
1130         nicvf_qset_rq_reclaim(nic, qidx);
1131         return ret;
1132 }
1133
1134 static inline int
1135 nicvf_vf_stop_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1136                        uint16_t qidx)
1137 {
1138         struct nicvf_rxq *rxq;
1139         int ret, other_error;
1140
1141         if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1142                 RTE_ETH_QUEUE_STATE_STOPPED)
1143                 return 0;
1144
1145         ret = nicvf_qset_rq_reclaim(nic, qidx);
1146         if (ret)
1147                 PMD_INIT_LOG(ERR, "Failed to reclaim rq VF%d %d %d",
1148                              nic->vf_id, qidx, ret);
1149
1150         other_error = ret;
1151         rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1152         nicvf_rx_queue_release_mbufs(dev, rxq);
1153         nicvf_rx_queue_reset(rxq);
1154
1155         ret = nicvf_qset_cq_reclaim(nic, qidx);
1156         if (ret)
1157                 PMD_INIT_LOG(ERR, "Failed to reclaim cq VF%d %d %d",
1158                              nic->vf_id, qidx, ret);
1159
1160         other_error |= ret;
1161         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1162                 RTE_ETH_QUEUE_STATE_STOPPED;
1163         return other_error;
1164 }
1165
1166 static void
1167 nicvf_dev_rx_queue_release(void *rx_queue)
1168 {
1169         PMD_INIT_FUNC_TRACE();
1170
1171         rte_free(rx_queue);
1172 }
1173
1174 static int
1175 nicvf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1176 {
1177         struct nicvf *nic = nicvf_pmd_priv(dev);
1178         int ret;
1179
1180         if (qidx >= MAX_RCV_QUEUES_PER_QS)
1181                 nic = nic->snicvf[(qidx / MAX_RCV_QUEUES_PER_QS - 1)];
1182
1183         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1184
1185         ret = nicvf_vf_start_rx_queue(dev, nic, qidx);
1186         if (ret)
1187                 return ret;
1188
1189         ret = nicvf_configure_cpi(dev);
1190         if (ret)
1191                 return ret;
1192
1193         return nicvf_configure_rss_reta(dev);
1194 }
1195
1196 static int
1197 nicvf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1198 {
1199         int ret;
1200         struct nicvf *nic = nicvf_pmd_priv(dev);
1201
1202         if (qidx >= MAX_SND_QUEUES_PER_QS)
1203                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1204
1205         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1206
1207         ret = nicvf_vf_stop_rx_queue(dev, nic, qidx);
1208         ret |= nicvf_configure_cpi(dev);
1209         ret |= nicvf_configure_rss_reta(dev);
1210         return ret;
1211 }
1212
1213 static int
1214 nicvf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1215 {
1216         struct nicvf *nic = nicvf_pmd_priv(dev);
1217
1218         if (qidx >= MAX_SND_QUEUES_PER_QS)
1219                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1220
1221         qidx = qidx % MAX_SND_QUEUES_PER_QS;
1222
1223         return nicvf_vf_start_tx_queue(dev, nic, qidx);
1224 }
1225
1226 static int
1227 nicvf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1228 {
1229         struct nicvf *nic = nicvf_pmd_priv(dev);
1230
1231         if (qidx >= MAX_SND_QUEUES_PER_QS)
1232                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1233
1234         qidx = qidx % MAX_SND_QUEUES_PER_QS;
1235
1236         return nicvf_vf_stop_tx_queue(dev, nic, qidx);
1237 }
1238
1239 static inline void
1240 nicvf_rxq_mbuf_setup(struct nicvf_rxq *rxq)
1241 {
1242         uintptr_t p;
1243         struct rte_mbuf mb_def;
1244
1245         RTE_BUILD_BUG_ON(sizeof(union mbuf_initializer) != 8);
1246         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
1247         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
1248                                 offsetof(struct rte_mbuf, data_off) != 2);
1249         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
1250                                 offsetof(struct rte_mbuf, data_off) != 4);
1251         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
1252                                 offsetof(struct rte_mbuf, data_off) != 6);
1253         mb_def.nb_segs = 1;
1254         mb_def.data_off = RTE_PKTMBUF_HEADROOM;
1255         mb_def.port = rxq->port_id;
1256         rte_mbuf_refcnt_set(&mb_def, 1);
1257
1258         /* Prevent compiler reordering: rearm_data covers previous fields */
1259         rte_compiler_barrier();
1260         p = (uintptr_t)&mb_def.rearm_data;
1261         rxq->mbuf_initializer.value = *(uint64_t *)p;
1262 }
1263
1264 static int
1265 nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1266                          uint16_t nb_desc, unsigned int socket_id,
1267                          const struct rte_eth_rxconf *rx_conf,
1268                          struct rte_mempool *mp)
1269 {
1270         uint16_t rx_free_thresh;
1271         struct nicvf_rxq *rxq;
1272         struct nicvf *nic = nicvf_pmd_priv(dev);
1273
1274         PMD_INIT_FUNC_TRACE();
1275
1276         if (qidx >= MAX_RCV_QUEUES_PER_QS)
1277                 nic = nic->snicvf[qidx / MAX_RCV_QUEUES_PER_QS - 1];
1278
1279         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1280
1281         /* Socket id check */
1282         if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node)
1283                 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d",
1284                 socket_id, nic->node);
1285
1286         /* Mempool memory must be contiguous, so must be one memory segment*/
1287         if (mp->nb_mem_chunks != 1) {
1288                 PMD_INIT_LOG(ERR, "Non-contiguous mempool, add more huge pages");
1289                 return -EINVAL;
1290         }
1291
1292         /* Mempool memory must be physically contiguous */
1293         if (mp->flags & MEMPOOL_F_NO_PHYS_CONTIG) {
1294                 PMD_INIT_LOG(ERR, "Mempool memory must be physically contiguous");
1295                 return -EINVAL;
1296         }
1297
1298         /* Rx deferred start is not supported */
1299         if (rx_conf->rx_deferred_start) {
1300                 PMD_INIT_LOG(ERR, "Rx deferred start not supported");
1301                 return -EINVAL;
1302         }
1303
1304         /* Roundup nb_desc to available qsize and validate max number of desc */
1305         nb_desc = nicvf_qsize_cq_roundup(nb_desc);
1306         if (nb_desc == 0) {
1307                 PMD_INIT_LOG(ERR, "Value nb_desc beyond available hw cq qsize");
1308                 return -EINVAL;
1309         }
1310
1311         /* Check rx_free_thresh upper bound */
1312         rx_free_thresh = (uint16_t)((rx_conf->rx_free_thresh) ?
1313                                 rx_conf->rx_free_thresh :
1314                                 NICVF_DEFAULT_RX_FREE_THRESH);
1315         if (rx_free_thresh > NICVF_MAX_RX_FREE_THRESH ||
1316                 rx_free_thresh >= nb_desc * .75) {
1317                 PMD_INIT_LOG(ERR, "rx_free_thresh greater than expected %d",
1318                                 rx_free_thresh);
1319                 return -EINVAL;
1320         }
1321
1322         /* Free memory prior to re-allocation if needed */
1323         if (dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) {
1324                 PMD_RX_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
1325                                 nicvf_netdev_qidx(nic, qidx));
1326                 nicvf_dev_rx_queue_release(
1327                         dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]);
1328                 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL;
1329         }
1330
1331         /* Allocate rxq memory */
1332         rxq = rte_zmalloc_socket("ethdev rx queue", sizeof(struct nicvf_rxq),
1333                                         RTE_CACHE_LINE_SIZE, nic->node);
1334         if (rxq == NULL) {
1335                 PMD_INIT_LOG(ERR, "Failed to allocate rxq=%d",
1336                              nicvf_netdev_qidx(nic, qidx));
1337                 return -ENOMEM;
1338         }
1339
1340         rxq->nic = nic;
1341         rxq->pool = mp;
1342         rxq->queue_id = qidx;
1343         rxq->port_id = dev->data->port_id;
1344         rxq->rx_free_thresh = rx_free_thresh;
1345         rxq->rx_drop_en = rx_conf->rx_drop_en;
1346         rxq->cq_status = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_STATUS;
1347         rxq->cq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_DOOR;
1348         rxq->precharge_cnt = 0;
1349
1350         if (nicvf_hw_cap(nic) & NICVF_CAP_CQE_RX2)
1351                 rxq->rbptr_offset = NICVF_CQE_RX2_RBPTR_WORD;
1352         else
1353                 rxq->rbptr_offset = NICVF_CQE_RBPTR_WORD;
1354
1355         nicvf_rxq_mbuf_setup(rxq);
1356
1357         /* Alloc completion queue */
1358         if (nicvf_qset_cq_alloc(dev, nic, rxq, rxq->queue_id, nb_desc)) {
1359                 PMD_INIT_LOG(ERR, "failed to allocate cq %u", rxq->queue_id);
1360                 nicvf_dev_rx_queue_release(rxq);
1361                 return -ENOMEM;
1362         }
1363
1364         nicvf_rx_queue_reset(rxq);
1365
1366         PMD_RX_LOG(DEBUG, "[%d] rxq=%p pool=%s nb_desc=(%d/%d) phy=%" PRIx64,
1367                         nicvf_netdev_qidx(nic, qidx), rxq, mp->name, nb_desc,
1368                         rte_mempool_avail_count(mp), rxq->phys);
1369
1370         dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = rxq;
1371         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1372                 RTE_ETH_QUEUE_STATE_STOPPED;
1373         return 0;
1374 }
1375
1376 static void
1377 nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1378 {
1379         struct nicvf *nic = nicvf_pmd_priv(dev);
1380         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1381
1382         PMD_INIT_FUNC_TRACE();
1383
1384         dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1385
1386         /* Autonegotiation may be disabled */
1387         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
1388         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
1389                                  ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
1390         if (nicvf_hw_version(nic) != PCI_SUB_DEVICE_ID_CN81XX_NICVF)
1391                 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
1392
1393         dev_info->min_rx_bufsize = ETHER_MIN_MTU;
1394         dev_info->max_rx_pktlen = NIC_HW_MAX_FRS;
1395         dev_info->max_rx_queues =
1396                         (uint16_t)MAX_RCV_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1397         dev_info->max_tx_queues =
1398                         (uint16_t)MAX_SND_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1399         dev_info->max_mac_addrs = 1;
1400         dev_info->max_vfs = pci_dev->max_vfs;
1401
1402         dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
1403         dev_info->tx_offload_capa =
1404                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
1405                 DEV_TX_OFFLOAD_UDP_CKSUM   |
1406                 DEV_TX_OFFLOAD_TCP_CKSUM   |
1407                 DEV_TX_OFFLOAD_TCP_TSO     |
1408                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
1409
1410         dev_info->reta_size = nic->rss_info.rss_size;
1411         dev_info->hash_key_size = RSS_HASH_KEY_BYTE_SIZE;
1412         dev_info->flow_type_rss_offloads = NICVF_RSS_OFFLOAD_PASS1;
1413         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING)
1414                 dev_info->flow_type_rss_offloads |= NICVF_RSS_OFFLOAD_TUNNEL;
1415
1416         dev_info->default_rxconf = (struct rte_eth_rxconf) {
1417                 .rx_free_thresh = NICVF_DEFAULT_RX_FREE_THRESH,
1418                 .rx_drop_en = 0,
1419         };
1420
1421         dev_info->default_txconf = (struct rte_eth_txconf) {
1422                 .tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH,
1423                 .txq_flags =
1424                         ETH_TXQ_FLAGS_NOMULTSEGS  |
1425                         ETH_TXQ_FLAGS_NOREFCOUNT  |
1426                         ETH_TXQ_FLAGS_NOMULTMEMP  |
1427                         ETH_TXQ_FLAGS_NOVLANOFFL  |
1428                         ETH_TXQ_FLAGS_NOXSUMSCTP,
1429         };
1430 }
1431
1432 static nicvf_iova_addr_t
1433 rbdr_rte_mempool_get(void *dev, void *opaque)
1434 {
1435         uint16_t qidx;
1436         uintptr_t mbuf;
1437         struct nicvf_rxq *rxq;
1438         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)dev;
1439         struct nicvf *nic = (struct nicvf *)opaque;
1440         uint16_t rx_start, rx_end;
1441
1442         /* Get queue ranges for this VF */
1443         nicvf_rx_range(eth_dev, nic, &rx_start, &rx_end);
1444
1445         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1446                 rxq = eth_dev->data->rx_queues[qidx];
1447                 /* Maintain equal buffer count across all pools */
1448                 if (rxq->precharge_cnt >= rxq->qlen_mask)
1449                         continue;
1450                 rxq->precharge_cnt++;
1451                 mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool);
1452                 if (mbuf)
1453                         return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off);
1454         }
1455         return 0;
1456 }
1457
1458 static int
1459 nicvf_vf_start(struct rte_eth_dev *dev, struct nicvf *nic, uint32_t rbdrsz)
1460 {
1461         int ret;
1462         uint16_t qidx, data_off;
1463         uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs;
1464         uint64_t mbuf_phys_off = 0;
1465         struct nicvf_rxq *rxq;
1466         struct rte_mbuf *mbuf;
1467         uint16_t rx_start, rx_end;
1468         uint16_t tx_start, tx_end;
1469
1470         PMD_INIT_FUNC_TRACE();
1471
1472         /* Userspace process exited without proper shutdown in last run */
1473         if (nicvf_qset_rbdr_active(nic, 0))
1474                 nicvf_vf_stop(dev, nic, false);
1475
1476         /* Get queue ranges for this VF */
1477         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1478
1479         /*
1480          * Thunderx nicvf PMD can support more than one pool per port only when
1481          * 1) Data payload size is same across all the pools in given port
1482          * AND
1483          * 2) All mbuffs in the pools are from the same hugepage
1484          * AND
1485          * 3) Mbuff metadata size is same across all the pools in given port
1486          *
1487          * This is to support existing application that uses multiple pool/port.
1488          * But, the purpose of using multipool for QoS will not be addressed.
1489          *
1490          */
1491
1492         /* Validate mempool attributes */
1493         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1494                 rxq = dev->data->rx_queues[qidx];
1495                 rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool);
1496                 mbuf = rte_pktmbuf_alloc(rxq->pool);
1497                 if (mbuf == NULL) {
1498                         PMD_INIT_LOG(ERR, "Failed allocate mbuf VF%d qid=%d "
1499                                      "pool=%s",
1500                                      nic->vf_id, qidx, rxq->pool->name);
1501                         return -ENOMEM;
1502                 }
1503                 data_off = nicvf_mbuff_meta_length(mbuf);
1504                 data_off += RTE_PKTMBUF_HEADROOM;
1505                 rte_pktmbuf_free(mbuf);
1506
1507                 if (data_off % RTE_CACHE_LINE_SIZE) {
1508                         PMD_INIT_LOG(ERR, "%s: unaligned data_off=%d delta=%d",
1509                                 rxq->pool->name, data_off,
1510                                 data_off % RTE_CACHE_LINE_SIZE);
1511                         return -EINVAL;
1512                 }
1513                 rxq->mbuf_phys_off -= data_off;
1514
1515                 if (mbuf_phys_off == 0)
1516                         mbuf_phys_off = rxq->mbuf_phys_off;
1517                 if (mbuf_phys_off != rxq->mbuf_phys_off) {
1518                         PMD_INIT_LOG(ERR, "pool params not same,%s VF%d %"
1519                                      PRIx64, rxq->pool->name, nic->vf_id,
1520                                      mbuf_phys_off);
1521                         return -EINVAL;
1522                 }
1523         }
1524
1525         /* Check the level of buffers in the pool */
1526         total_rxq_desc = 0;
1527         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1528                 rxq = dev->data->rx_queues[qidx];
1529                 /* Count total numbers of rxq descs */
1530                 total_rxq_desc += rxq->qlen_mask + 1;
1531                 exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh;
1532                 exp_buffs *= dev->data->nb_rx_queues;
1533                 if (rte_mempool_avail_count(rxq->pool) < exp_buffs) {
1534                         PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)",
1535                                      rxq->pool->name,
1536                                      rte_mempool_avail_count(rxq->pool),
1537                                      exp_buffs);
1538                         return -ENOENT;
1539                 }
1540         }
1541
1542         /* Check RBDR desc overflow */
1543         ret = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1544         if (ret == 0) {
1545                 PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc "
1546                              "VF%d", nic->vf_id);
1547                 return -ENOMEM;
1548         }
1549
1550         /* Enable qset */
1551         ret = nicvf_qset_config(nic);
1552         if (ret) {
1553                 PMD_INIT_LOG(ERR, "Failed to enable qset %d VF%d", ret,
1554                              nic->vf_id);
1555                 return ret;
1556         }
1557
1558         /* Allocate RBDR and RBDR ring desc */
1559         nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1560         ret = nicvf_qset_rbdr_alloc(dev, nic, nb_rbdr_desc, rbdrsz);
1561         if (ret) {
1562                 PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc "
1563                              "VF%d", nic->vf_id);
1564                 goto qset_reclaim;
1565         }
1566
1567         /* Enable and configure RBDR registers */
1568         ret = nicvf_qset_rbdr_config(nic, 0);
1569         if (ret) {
1570                 PMD_INIT_LOG(ERR, "Failed to configure rbdr %d VF%d", ret,
1571                              nic->vf_id);
1572                 goto qset_rbdr_free;
1573         }
1574
1575         /* Fill rte_mempool buffers in RBDR pool and precharge it */
1576         ret = nicvf_qset_rbdr_precharge(dev, nic, 0, rbdr_rte_mempool_get,
1577                                         total_rxq_desc);
1578         if (ret) {
1579                 PMD_INIT_LOG(ERR, "Failed to fill rbdr %d VF%d", ret,
1580                              nic->vf_id);
1581                 goto qset_rbdr_reclaim;
1582         }
1583
1584         PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR VF%d",
1585                      nic->rbdr->tail, nb_rbdr_desc, nic->vf_id);
1586
1587         /* Configure VLAN Strip */
1588         nicvf_vlan_hw_strip(nic, dev->data->dev_conf.rxmode.hw_vlan_strip);
1589
1590         /* Based on the packet type(IPv4 or IPv6), the nicvf HW aligns L3 data
1591          * to the 64bit memory address.
1592          * The alignment creates a hole in mbuf(between the end of headroom and
1593          * packet data start). The new revision of the HW provides an option to
1594          * disable the L3 alignment feature and make mbuf layout looks
1595          * more like other NICs. For better application compatibility, disabling
1596          * l3 alignment feature on the hardware revisions it supports
1597          */
1598         nicvf_apad_config(nic, false);
1599
1600         /* Get queue ranges for this VF */
1601         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1602
1603         /* Configure TX queues */
1604         for (qidx = tx_start; qidx <= tx_end; qidx++) {
1605                 ret = nicvf_vf_start_tx_queue(dev, nic,
1606                         qidx % MAX_SND_QUEUES_PER_QS);
1607                 if (ret)
1608                         goto start_txq_error;
1609         }
1610
1611         /* Configure RX queues */
1612         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1613                 ret = nicvf_vf_start_rx_queue(dev, nic,
1614                         qidx % MAX_RCV_QUEUES_PER_QS);
1615                 if (ret)
1616                         goto start_rxq_error;
1617         }
1618
1619         if (!nic->sqs_mode) {
1620                 /* Configure CPI algorithm */
1621                 ret = nicvf_configure_cpi(dev);
1622                 if (ret)
1623                         goto start_txq_error;
1624
1625                 ret = nicvf_mbox_get_rss_size(nic);
1626                 if (ret) {
1627                         PMD_INIT_LOG(ERR, "Failed to get rss table size");
1628                         goto qset_rss_error;
1629                 }
1630
1631                 /* Configure RSS */
1632                 ret = nicvf_configure_rss(dev);
1633                 if (ret)
1634                         goto qset_rss_error;
1635         }
1636
1637         /* Done; Let PF make the BGX's RX and TX switches to ON position */
1638         nicvf_mbox_cfg_done(nic);
1639         return 0;
1640
1641 qset_rss_error:
1642         nicvf_rss_term(nic);
1643 start_rxq_error:
1644         for (qidx = rx_start; qidx <= rx_end; qidx++)
1645                 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1646 start_txq_error:
1647         for (qidx = tx_start; qidx <= tx_end; qidx++)
1648                 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1649 qset_rbdr_reclaim:
1650         nicvf_qset_rbdr_reclaim(nic, 0);
1651         nicvf_rbdr_release_mbufs(dev, nic);
1652 qset_rbdr_free:
1653         if (nic->rbdr) {
1654                 rte_free(nic->rbdr);
1655                 nic->rbdr = NULL;
1656         }
1657 qset_reclaim:
1658         nicvf_qset_reclaim(nic);
1659         return ret;
1660 }
1661
1662 static int
1663 nicvf_dev_start(struct rte_eth_dev *dev)
1664 {
1665         uint16_t qidx;
1666         int ret;
1667         size_t i;
1668         struct nicvf *nic = nicvf_pmd_priv(dev);
1669         struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
1670         uint16_t mtu;
1671         uint32_t buffsz = 0, rbdrsz = 0;
1672         struct rte_pktmbuf_pool_private *mbp_priv;
1673         struct nicvf_rxq *rxq;
1674
1675         PMD_INIT_FUNC_TRACE();
1676
1677         /* This function must be called for a primary device */
1678         assert_primary(nic);
1679
1680         /* Validate RBDR buff size */
1681         for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) {
1682                 rxq = dev->data->rx_queues[qidx];
1683                 mbp_priv = rte_mempool_get_priv(rxq->pool);
1684                 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1685                 if (buffsz % 128) {
1686                         PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128");
1687                         return -EINVAL;
1688                 }
1689                 if (rbdrsz == 0)
1690                         rbdrsz = buffsz;
1691                 if (rbdrsz != buffsz) {
1692                         PMD_INIT_LOG(ERR, "buffsz not same, qidx=%d (%d/%d)",
1693                                      qidx, rbdrsz, buffsz);
1694                         return -EINVAL;
1695                 }
1696         }
1697
1698         /* Configure loopback */
1699         ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode);
1700         if (ret) {
1701                 PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret);
1702                 return ret;
1703         }
1704
1705         /* Reset all statistics counters attached to this port */
1706         ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF);
1707         if (ret) {
1708                 PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret);
1709                 return ret;
1710         }
1711
1712         /* Setup scatter mode if needed by jumbo */
1713         if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
1714                                             2 * VLAN_TAG_SIZE > buffsz)
1715                 dev->data->scattered_rx = 1;
1716         if (rx_conf->enable_scatter)
1717                 dev->data->scattered_rx = 1;
1718
1719         /* Setup MTU based on max_rx_pkt_len or default */
1720         mtu = dev->data->dev_conf.rxmode.jumbo_frame ?
1721                 dev->data->dev_conf.rxmode.max_rx_pkt_len
1722                         -  ETHER_HDR_LEN - ETHER_CRC_LEN
1723                 : ETHER_MTU;
1724
1725         if (nicvf_dev_set_mtu(dev, mtu)) {
1726                 PMD_INIT_LOG(ERR, "Failed to set default mtu size");
1727                 return -EBUSY;
1728         }
1729
1730         ret = nicvf_vf_start(dev, nic, rbdrsz);
1731         if (ret != 0)
1732                 return ret;
1733
1734         for (i = 0; i < nic->sqs_count; i++) {
1735                 assert(nic->snicvf[i]);
1736
1737                 ret = nicvf_vf_start(dev, nic->snicvf[i], rbdrsz);
1738                 if (ret != 0)
1739                         return ret;
1740         }
1741
1742         /* Configure callbacks based on scatter mode */
1743         nicvf_set_tx_function(dev);
1744         nicvf_set_rx_function(dev);
1745
1746         return 0;
1747 }
1748
1749 static void
1750 nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup)
1751 {
1752         size_t i;
1753         int ret;
1754         struct nicvf *nic = nicvf_pmd_priv(dev);
1755
1756         PMD_INIT_FUNC_TRACE();
1757
1758         /* Teardown secondary vf first */
1759         for (i = 0; i < nic->sqs_count; i++) {
1760                 if (!nic->snicvf[i])
1761                         continue;
1762
1763                 nicvf_vf_stop(dev, nic->snicvf[i], cleanup);
1764         }
1765
1766         /* Stop the primary VF now */
1767         nicvf_vf_stop(dev, nic, cleanup);
1768
1769         /* Disable loopback */
1770         ret = nicvf_loopback_config(nic, 0);
1771         if (ret)
1772                 PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret);
1773
1774         /* Reclaim CPI configuration */
1775         ret = nicvf_mbox_config_cpi(nic, 0);
1776         if (ret)
1777                 PMD_INIT_LOG(ERR, "Failed to reclaim CPI config %d", ret);
1778 }
1779
1780 static void
1781 nicvf_dev_stop(struct rte_eth_dev *dev)
1782 {
1783         PMD_INIT_FUNC_TRACE();
1784
1785         nicvf_dev_stop_cleanup(dev, false);
1786 }
1787
1788 static void
1789 nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic, bool cleanup)
1790 {
1791         int ret;
1792         uint16_t qidx;
1793         uint16_t tx_start, tx_end;
1794         uint16_t rx_start, rx_end;
1795
1796         PMD_INIT_FUNC_TRACE();
1797
1798         if (cleanup) {
1799                 /* Let PF make the BGX's RX and TX switches to OFF position */
1800                 nicvf_mbox_shutdown(nic);
1801         }
1802
1803         /* Disable VLAN Strip */
1804         nicvf_vlan_hw_strip(nic, 0);
1805
1806         /* Get queue ranges for this VF */
1807         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1808
1809         for (qidx = tx_start; qidx <= tx_end; qidx++)
1810                 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1811
1812         /* Get queue ranges for this VF */
1813         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1814
1815         /* Reclaim rq */
1816         for (qidx = rx_start; qidx <= rx_end; qidx++)
1817                 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1818
1819         /* Reclaim RBDR */
1820         ret = nicvf_qset_rbdr_reclaim(nic, 0);
1821         if (ret)
1822                 PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret);
1823
1824         /* Move all charged buffers in RBDR back to pool */
1825         if (nic->rbdr != NULL)
1826                 nicvf_rbdr_release_mbufs(dev, nic);
1827
1828         /* Disable qset */
1829         ret = nicvf_qset_reclaim(nic);
1830         if (ret)
1831                 PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret);
1832
1833         /* Disable all interrupts */
1834         nicvf_disable_all_interrupts(nic);
1835
1836         /* Free RBDR SW structure */
1837         if (nic->rbdr) {
1838                 rte_free(nic->rbdr);
1839                 nic->rbdr = NULL;
1840         }
1841 }
1842
1843 static void
1844 nicvf_dev_close(struct rte_eth_dev *dev)
1845 {
1846         size_t i;
1847         struct nicvf *nic = nicvf_pmd_priv(dev);
1848
1849         PMD_INIT_FUNC_TRACE();
1850
1851         nicvf_dev_stop_cleanup(dev, true);
1852         nicvf_periodic_alarm_stop(nicvf_interrupt, dev);
1853
1854         for (i = 0; i < nic->sqs_count; i++) {
1855                 if (!nic->snicvf[i])
1856                         continue;
1857
1858                 nicvf_periodic_alarm_stop(nicvf_vf_interrupt, nic->snicvf[i]);
1859         }
1860 }
1861
1862 static int
1863 nicvf_request_sqs(struct nicvf *nic)
1864 {
1865         size_t i;
1866
1867         assert_primary(nic);
1868         assert(nic->sqs_count > 0);
1869         assert(nic->sqs_count <= MAX_SQS_PER_VF);
1870
1871         /* Set no of Rx/Tx queues in each of the SQsets */
1872         for (i = 0; i < nic->sqs_count; i++) {
1873                 if (nicvf_svf_empty())
1874                         rte_panic("Cannot assign sufficient number of "
1875                                   "secondary queues to primary VF%" PRIu8 "\n",
1876                                   nic->vf_id);
1877
1878                 nic->snicvf[i] = nicvf_svf_pop();
1879                 nic->snicvf[i]->sqs_id = i;
1880         }
1881
1882         return nicvf_mbox_request_sqs(nic);
1883 }
1884
1885 static int
1886 nicvf_dev_configure(struct rte_eth_dev *dev)
1887 {
1888         struct rte_eth_dev_data *data = dev->data;
1889         struct rte_eth_conf *conf = &data->dev_conf;
1890         struct rte_eth_rxmode *rxmode = &conf->rxmode;
1891         struct rte_eth_txmode *txmode = &conf->txmode;
1892         struct nicvf *nic = nicvf_pmd_priv(dev);
1893         uint8_t cqcount;
1894
1895         PMD_INIT_FUNC_TRACE();
1896
1897         if (!rte_eal_has_hugepages()) {
1898                 PMD_INIT_LOG(INFO, "Huge page is not configured");
1899                 return -EINVAL;
1900         }
1901
1902         if (txmode->mq_mode) {
1903                 PMD_INIT_LOG(INFO, "Tx mq_mode DCB or VMDq not supported");
1904                 return -EINVAL;
1905         }
1906
1907         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1908                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1909                 PMD_INIT_LOG(INFO, "Unsupported rx qmode %d", rxmode->mq_mode);
1910                 return -EINVAL;
1911         }
1912
1913         if (!rxmode->hw_strip_crc) {
1914                 PMD_INIT_LOG(NOTICE, "Can't disable hw crc strip");
1915                 rxmode->hw_strip_crc = 1;
1916         }
1917
1918         if (rxmode->hw_ip_checksum) {
1919                 PMD_INIT_LOG(NOTICE, "Rxcksum not supported");
1920                 rxmode->hw_ip_checksum = 0;
1921         }
1922
1923         if (rxmode->split_hdr_size) {
1924                 PMD_INIT_LOG(INFO, "Rxmode does not support split header");
1925                 return -EINVAL;
1926         }
1927
1928         if (rxmode->hw_vlan_filter) {
1929                 PMD_INIT_LOG(INFO, "VLAN filter not supported");
1930                 return -EINVAL;
1931         }
1932
1933         if (rxmode->hw_vlan_extend) {
1934                 PMD_INIT_LOG(INFO, "VLAN extended not supported");
1935                 return -EINVAL;
1936         }
1937
1938         if (rxmode->enable_lro) {
1939                 PMD_INIT_LOG(INFO, "LRO not supported");
1940                 return -EINVAL;
1941         }
1942
1943         if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
1944                 PMD_INIT_LOG(INFO, "Setting link speed/duplex not supported");
1945                 return -EINVAL;
1946         }
1947
1948         if (conf->dcb_capability_en) {
1949                 PMD_INIT_LOG(INFO, "DCB enable not supported");
1950                 return -EINVAL;
1951         }
1952
1953         if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1954                 PMD_INIT_LOG(INFO, "Flow director not supported");
1955                 return -EINVAL;
1956         }
1957
1958         assert_primary(nic);
1959         NICVF_STATIC_ASSERT(MAX_RCV_QUEUES_PER_QS == MAX_SND_QUEUES_PER_QS);
1960         cqcount = RTE_MAX(data->nb_tx_queues, data->nb_rx_queues);
1961         if (cqcount > MAX_RCV_QUEUES_PER_QS) {
1962                 nic->sqs_count = RTE_ALIGN_CEIL(cqcount, MAX_RCV_QUEUES_PER_QS);
1963                 nic->sqs_count = (nic->sqs_count / MAX_RCV_QUEUES_PER_QS) - 1;
1964         } else {
1965                 nic->sqs_count = 0;
1966         }
1967
1968         assert(nic->sqs_count <= MAX_SQS_PER_VF);
1969
1970         if (nic->sqs_count > 0) {
1971                 if (nicvf_request_sqs(nic)) {
1972                         rte_panic("Cannot assign sufficient number of "
1973                                   "secondary queues to PORT%d VF%" PRIu8 "\n",
1974                                   dev->data->port_id, nic->vf_id);
1975                 }
1976         }
1977
1978         PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64,
1979                 dev->data->port_id, nicvf_hw_cap(nic));
1980
1981         return 0;
1982 }
1983
1984 /* Initialize and register driver with DPDK Application */
1985 static const struct eth_dev_ops nicvf_eth_dev_ops = {
1986         .dev_configure            = nicvf_dev_configure,
1987         .dev_start                = nicvf_dev_start,
1988         .dev_stop                 = nicvf_dev_stop,
1989         .link_update              = nicvf_dev_link_update,
1990         .dev_close                = nicvf_dev_close,
1991         .stats_get                = nicvf_dev_stats_get,
1992         .stats_reset              = nicvf_dev_stats_reset,
1993         .promiscuous_enable       = nicvf_dev_promisc_enable,
1994         .dev_infos_get            = nicvf_dev_info_get,
1995         .dev_supported_ptypes_get = nicvf_dev_supported_ptypes_get,
1996         .mtu_set                  = nicvf_dev_set_mtu,
1997         .reta_update              = nicvf_dev_reta_update,
1998         .reta_query               = nicvf_dev_reta_query,
1999         .rss_hash_update          = nicvf_dev_rss_hash_update,
2000         .rss_hash_conf_get        = nicvf_dev_rss_hash_conf_get,
2001         .rx_queue_start           = nicvf_dev_rx_queue_start,
2002         .rx_queue_stop            = nicvf_dev_rx_queue_stop,
2003         .tx_queue_start           = nicvf_dev_tx_queue_start,
2004         .tx_queue_stop            = nicvf_dev_tx_queue_stop,
2005         .rx_queue_setup           = nicvf_dev_rx_queue_setup,
2006         .rx_queue_release         = nicvf_dev_rx_queue_release,
2007         .rx_queue_count           = nicvf_dev_rx_queue_count,
2008         .tx_queue_setup           = nicvf_dev_tx_queue_setup,
2009         .tx_queue_release         = nicvf_dev_tx_queue_release,
2010         .get_reg                  = nicvf_dev_get_regs,
2011 };
2012
2013 static int
2014 nicvf_eth_dev_init(struct rte_eth_dev *eth_dev)
2015 {
2016         int ret;
2017         struct rte_pci_device *pci_dev;
2018         struct nicvf *nic = nicvf_pmd_priv(eth_dev);
2019
2020         PMD_INIT_FUNC_TRACE();
2021
2022         eth_dev->dev_ops = &nicvf_eth_dev_ops;
2023
2024         /* For secondary processes, the primary has done all the work */
2025         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2026                 if (nic) {
2027                         /* Setup callbacks for secondary process */
2028                         nicvf_set_tx_function(eth_dev);
2029                         nicvf_set_rx_function(eth_dev);
2030                         return 0;
2031                 } else {
2032                         /* If nic == NULL than it is secondary function
2033                          * so ethdev need to be released by caller */
2034                         return ENOTSUP;
2035                 }
2036         }
2037
2038         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2039         rte_eth_copy_pci_info(eth_dev, pci_dev);
2040
2041         nic->device_id = pci_dev->id.device_id;
2042         nic->vendor_id = pci_dev->id.vendor_id;
2043         nic->subsystem_device_id = pci_dev->id.subsystem_device_id;
2044         nic->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
2045
2046         PMD_INIT_LOG(DEBUG, "nicvf: device (%x:%x) %u:%u:%u:%u",
2047                         pci_dev->id.vendor_id, pci_dev->id.device_id,
2048                         pci_dev->addr.domain, pci_dev->addr.bus,
2049                         pci_dev->addr.devid, pci_dev->addr.function);
2050
2051         nic->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr;
2052         if (!nic->reg_base) {
2053                 PMD_INIT_LOG(ERR, "Failed to map BAR0");
2054                 ret = -ENODEV;
2055                 goto fail;
2056         }
2057
2058         nicvf_disable_all_interrupts(nic);
2059
2060         ret = nicvf_periodic_alarm_start(nicvf_interrupt, eth_dev);
2061         if (ret) {
2062                 PMD_INIT_LOG(ERR, "Failed to start period alarm");
2063                 goto fail;
2064         }
2065
2066         ret = nicvf_mbox_check_pf_ready(nic);
2067         if (ret) {
2068                 PMD_INIT_LOG(ERR, "Failed to get ready message from PF");
2069                 goto alarm_fail;
2070         } else {
2071                 PMD_INIT_LOG(INFO,
2072                         "node=%d vf=%d mode=%s sqs=%s loopback_supported=%s",
2073                         nic->node, nic->vf_id,
2074                         nic->tns_mode == NIC_TNS_MODE ? "tns" : "tns-bypass",
2075                         nic->sqs_mode ? "true" : "false",
2076                         nic->loopback_supported ? "true" : "false"
2077                         );
2078         }
2079
2080         ret = nicvf_base_init(nic);
2081         if (ret) {
2082                 PMD_INIT_LOG(ERR, "Failed to execute nicvf_base_init");
2083                 goto malloc_fail;
2084         }
2085
2086         if (nic->sqs_mode) {
2087                 /* Push nic to stack of secondary vfs */
2088                 nicvf_svf_push(nic);
2089
2090                 /* Steal nic pointer from the device for further reuse */
2091                 eth_dev->data->dev_private = NULL;
2092
2093                 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2094                 ret = nicvf_periodic_alarm_start(nicvf_vf_interrupt, nic);
2095                 if (ret) {
2096                         PMD_INIT_LOG(ERR, "Failed to start period alarm");
2097                         goto fail;
2098                 }
2099
2100                 /* Detach port by returning positive error number */
2101                 return ENOTSUP;
2102         }
2103
2104         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", ETHER_ADDR_LEN, 0);
2105         if (eth_dev->data->mac_addrs == NULL) {
2106                 PMD_INIT_LOG(ERR, "Failed to allocate memory for mac addr");
2107                 ret = -ENOMEM;
2108                 goto alarm_fail;
2109         }
2110         if (is_zero_ether_addr((struct ether_addr *)nic->mac_addr))
2111                 eth_random_addr(&nic->mac_addr[0]);
2112
2113         ether_addr_copy((struct ether_addr *)nic->mac_addr,
2114                         &eth_dev->data->mac_addrs[0]);
2115
2116         ret = nicvf_mbox_set_mac_addr(nic, nic->mac_addr);
2117         if (ret) {
2118                 PMD_INIT_LOG(ERR, "Failed to set mac addr");
2119                 goto malloc_fail;
2120         }
2121
2122         PMD_INIT_LOG(INFO, "Port %d (%x:%x) mac=%02x:%02x:%02x:%02x:%02x:%02x",
2123                 eth_dev->data->port_id, nic->vendor_id, nic->device_id,
2124                 nic->mac_addr[0], nic->mac_addr[1], nic->mac_addr[2],
2125                 nic->mac_addr[3], nic->mac_addr[4], nic->mac_addr[5]);
2126
2127         return 0;
2128
2129 malloc_fail:
2130         rte_free(eth_dev->data->mac_addrs);
2131 alarm_fail:
2132         nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2133 fail:
2134         return ret;
2135 }
2136
2137 static const struct rte_pci_id pci_id_nicvf_map[] = {
2138         {
2139                 .class_id = RTE_CLASS_ANY_ID,
2140                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2141                 .device_id = PCI_DEVICE_ID_THUNDERX_CN88XX_PASS1_NICVF,
2142                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2143                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS1_NICVF,
2144         },
2145         {
2146                 .class_id = RTE_CLASS_ANY_ID,
2147                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2148                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2149                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2150                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS2_NICVF,
2151         },
2152         {
2153                 .class_id = RTE_CLASS_ANY_ID,
2154                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2155                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2156                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2157                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN81XX_NICVF,
2158         },
2159         {
2160                 .class_id = RTE_CLASS_ANY_ID,
2161                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2162                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2163                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2164                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN83XX_NICVF,
2165         },
2166         {
2167                 .vendor_id = 0,
2168         },
2169 };
2170
2171 static int nicvf_eth_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2172         struct rte_pci_device *pci_dev)
2173 {
2174         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct nicvf),
2175                 nicvf_eth_dev_init);
2176 }
2177
2178 static int nicvf_eth_pci_remove(struct rte_pci_device *pci_dev)
2179 {
2180         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
2181 }
2182
2183 static struct rte_pci_driver rte_nicvf_pmd = {
2184         .id_table = pci_id_nicvf_map,
2185         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_KEEP_MAPPED_RES |
2186                         RTE_PCI_DRV_INTR_LSC,
2187         .probe = nicvf_eth_pci_probe,
2188         .remove = nicvf_eth_pci_remove,
2189 };
2190
2191 RTE_PMD_REGISTER_PCI(net_thunderx, rte_nicvf_pmd);
2192 RTE_PMD_REGISTER_PCI_TABLE(net_thunderx, pci_id_nicvf_map);
2193 RTE_PMD_REGISTER_KMOD_DEP(net_thunderx, "* igb_uio | uio_pci_generic | vfio-pci");