drivers/net/thunderx/nicvf_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016 Cavium, Inc
   3  */
   4
   5 #include <assert.h>
   6 #include <stdio.h>
   7 #include <stdbool.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <string.h>
  11 #include <unistd.h>
  12 #include <stdarg.h>
  13 #include <inttypes.h>
  14 #include <netinet/in.h>
  15 #include <sys/queue.h>
  16
  17 #include <rte_alarm.h>
  18 #include <rte_branch_prediction.h>
  19 #include <rte_byteorder.h>
  20 #include <rte_common.h>
  21 #include <rte_cycles.h>
  22 #include <rte_debug.h>
  23 #include <rte_dev.h>
  24 #include <rte_eal.h>
  25 #include <rte_ether.h>
  26 #include <rte_ethdev_driver.h>
  27 #include <rte_ethdev_pci.h>
  28 #include <rte_interrupts.h>
  29 #include <rte_log.h>
  30 #include <rte_memory.h>
  31 #include <rte_memzone.h>
  32 #include <rte_malloc.h>
  33 #include <rte_random.h>
  34 #include <rte_pci.h>
  35 #include <rte_bus_pci.h>
  36 #include <rte_tailq.h>
  37 #include <rte_devargs.h>
  38 #include <rte_kvargs.h>
  39
  40 #include "base/nicvf_plat.h"
  41
  42 #include "nicvf_ethdev.h"
  43 #include "nicvf_rxtx.h"
  44 #include "nicvf_svf.h"
  45 #include "nicvf_logs.h"
  46
  47 int nicvf_logtype_mbox;
  48 int nicvf_logtype_init;
  49 int nicvf_logtype_driver;
  50
  51 static void nicvf_dev_stop(struct rte_eth_dev *dev);
  52 static void nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup);
  53 static void nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic,
  54                           bool cleanup);
  55 static int nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask);
  56 static int nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
  57
  58 RTE_INIT(nicvf_init_log)
  59 {
  60         nicvf_logtype_mbox = rte_log_register("pmd.net.thunderx.mbox");
  61         if (nicvf_logtype_mbox >= 0)
  62                 rte_log_set_level(nicvf_logtype_mbox, RTE_LOG_NOTICE);
  63
  64         nicvf_logtype_init = rte_log_register("pmd.net.thunderx.init");
  65         if (nicvf_logtype_init >= 0)
  66                 rte_log_set_level(nicvf_logtype_init, RTE_LOG_NOTICE);
  67
  68         nicvf_logtype_driver = rte_log_register("pmd.net.thunderx.driver");
  69         if (nicvf_logtype_driver >= 0)
  70                 rte_log_set_level(nicvf_logtype_driver, RTE_LOG_NOTICE);
  71 }
  72
  73 static void
  74 nicvf_link_status_update(struct nicvf *nic,
  75                          struct rte_eth_link *link)
  76 {
  77         memset(link, 0, sizeof(*link));
  78
  79         link->link_status = nic->link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
  80
  81         if (nic->duplex == NICVF_HALF_DUPLEX)
  82                 link->link_duplex = ETH_LINK_HALF_DUPLEX;
  83         else if (nic->duplex == NICVF_FULL_DUPLEX)
  84                 link->link_duplex = ETH_LINK_FULL_DUPLEX;
  85         link->link_speed = nic->speed;
  86         link->link_autoneg = ETH_LINK_AUTONEG;
  87 }
  88
  89 static void
  90 nicvf_interrupt(void *arg)
  91 {
  92         struct rte_eth_dev *dev = arg;
  93         struct nicvf *nic = nicvf_pmd_priv(dev);
  94         struct rte_eth_link link;
  95
  96         if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) {
  97                 if (dev->data->dev_conf.intr_conf.lsc) {
  98                         nicvf_link_status_update(nic, &link);
  99                         rte_eth_linkstatus_set(dev, &link);
 100
 101                         _rte_eth_dev_callback_process(dev,
 102                                                       RTE_ETH_EVENT_INTR_LSC,
 103                                                       NULL);
 104                 }
 105         }
 106
 107         rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
 108                                 nicvf_interrupt, dev);
 109 }
 110
 111 static void
 112 nicvf_vf_interrupt(void *arg)
 113 {
 114         struct nicvf *nic = arg;
 115
 116         nicvf_reg_poll_interrupts(nic);
 117
 118         rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
 119                                 nicvf_vf_interrupt, nic);
 120 }
 121
 122 static int
 123 nicvf_periodic_alarm_start(void (fn)(void *), void *arg)
 124 {
 125         return rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, fn, arg);
 126 }
 127
 128 static int
 129 nicvf_periodic_alarm_stop(void (fn)(void *), void *arg)
 130 {
 131         return rte_eal_alarm_cancel(fn, arg);
 132 }
 133
 134 /*
 135  * Return 0 means link status changed, -1 means not changed
 136  */
 137 static int
 138 nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
 139 {
 140 #define CHECK_INTERVAL 100  /* 100ms */
 141 #define MAX_CHECK_TIME 90   /* 9s (90 * 100ms) in total */
 142         struct rte_eth_link link;
 143         struct nicvf *nic = nicvf_pmd_priv(dev);
 144         int i;
 145
 146         PMD_INIT_FUNC_TRACE();
 147
 148         if (wait_to_complete) {
 149                 /* rte_eth_link_get() might need to wait up to 9 seconds */
 150                 for (i = 0; i < MAX_CHECK_TIME; i++) {
 151                         nicvf_link_status_update(nic, &link);
 152                         if (link.link_status == ETH_LINK_UP)
 153                                 break;
 154                         rte_delay_ms(CHECK_INTERVAL);
 155                 }
 156         } else {
 157                 nicvf_link_status_update(nic, &link);
 158         }
 159
 160         return rte_eth_linkstatus_set(dev, &link);
 161 }
 162
 163 static int
 164 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 165 {
 166         struct nicvf *nic = nicvf_pmd_priv(dev);
 167         uint32_t buffsz, frame_size = mtu + NIC_HW_L2_OVERHEAD;
 168         size_t i;
 169         struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
 170
 171         PMD_INIT_FUNC_TRACE();
 172
 173         if (frame_size > NIC_HW_MAX_FRS)
 174                 return -EINVAL;
 175
 176         if (frame_size < NIC_HW_MIN_FRS)
 177                 return -EINVAL;
 178
 179         buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
 180
 181         /*
 182          * Refuse mtu that requires the support of scattered packets
 183          * when this feature has not been enabled before.
 184          */
 185         if (dev->data->dev_started && !dev->data->scattered_rx &&
 186                 (frame_size + 2 * VLAN_TAG_SIZE > buffsz))
 187                 return -EINVAL;
 188
 189         /* check <seg size> * <max_seg>  >= max_frame */
 190         if (dev->data->scattered_rx &&
 191                 (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS))
 192                 return -EINVAL;
 193
 194         if (frame_size > ETHER_MAX_LEN)
 195                 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
 196         else
 197                 rxmode->offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
 198
 199         if (nicvf_mbox_update_hw_max_frs(nic, mtu))
 200                 return -EINVAL;
 201
 202         /* Update max_rx_pkt_len */
 203         rxmode->max_rx_pkt_len = mtu + ETHER_HDR_LEN;
 204         nic->mtu = mtu;
 205
 206         for (i = 0; i < nic->sqs_count; i++)
 207                 nic->snicvf[i]->mtu = mtu;
 208
 209         return 0;
 210 }
 211
 212 static int
 213 nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs)
 214 {
 215         uint64_t *data = regs->data;
 216         struct nicvf *nic = nicvf_pmd_priv(dev);
 217
 218         if (data == NULL) {
 219                 regs->length = nicvf_reg_get_count();
 220                 regs->width = THUNDERX_REG_BYTES;
 221                 return 0;
 222         }
 223
 224         /* Support only full register dump */
 225         if ((regs->length == 0) ||
 226                 (regs->length == (uint32_t)nicvf_reg_get_count())) {
 227                 regs->version = nic->vendor_id << 16 | nic->device_id;
 228                 nicvf_reg_dump(nic, data);
 229                 return 0;
 230         }
 231         return -ENOTSUP;
 232 }
 233
 234 static int
 235 nicvf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 236 {
 237         uint16_t qidx;
 238         struct nicvf_hw_rx_qstats rx_qstats;
 239         struct nicvf_hw_tx_qstats tx_qstats;
 240         struct nicvf_hw_stats port_stats;
 241         struct nicvf *nic = nicvf_pmd_priv(dev);
 242         uint16_t rx_start, rx_end;
 243         uint16_t tx_start, tx_end;
 244         size_t i;
 245
 246         /* RX queue indices for the first VF */
 247         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 248
 249         /* Reading per RX ring stats */
 250         for (qidx = rx_start; qidx <= rx_end; qidx++) {
 251                 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 252                         break;
 253
 254                 nicvf_hw_get_rx_qstats(nic, &rx_qstats, qidx);
 255                 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
 256                 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
 257         }
 258
 259         /* TX queue indices for the first VF */
 260         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
 261
 262         /* Reading per TX ring stats */
 263         for (qidx = tx_start; qidx <= tx_end; qidx++) {
 264                 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 265                         break;
 266
 267                 nicvf_hw_get_tx_qstats(nic, &tx_qstats, qidx);
 268                 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
 269                 stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
 270         }
 271
 272         for (i = 0; i < nic->sqs_count; i++) {
 273                 struct nicvf *snic = nic->snicvf[i];
 274
 275                 if (snic == NULL)
 276                         break;
 277
 278                 /* RX queue indices for a secondary VF */
 279                 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
 280
 281                 /* Reading per RX ring stats */
 282                 for (qidx = rx_start; qidx <= rx_end; qidx++) {
 283                         if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 284                                 break;
 285
 286                         nicvf_hw_get_rx_qstats(snic, &rx_qstats,
 287                                                qidx % MAX_RCV_QUEUES_PER_QS);
 288                         stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
 289                         stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
 290                 }
 291
 292                 /* TX queue indices for a secondary VF */
 293                 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
 294                 /* Reading per TX ring stats */
 295                 for (qidx = tx_start; qidx <= tx_end; qidx++) {
 296                         if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
 297                                 break;
 298
 299                         nicvf_hw_get_tx_qstats(snic, &tx_qstats,
 300                                                qidx % MAX_SND_QUEUES_PER_QS);
 301                         stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
 302                         stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
 303                 }
 304         }
 305
 306         nicvf_hw_get_stats(nic, &port_stats);
 307         stats->ibytes = port_stats.rx_bytes;
 308         stats->ipackets = port_stats.rx_ucast_frames;
 309         stats->ipackets += port_stats.rx_bcast_frames;
 310         stats->ipackets += port_stats.rx_mcast_frames;
 311         stats->ierrors = port_stats.rx_l2_errors;
 312         stats->imissed = port_stats.rx_drop_red;
 313         stats->imissed += port_stats.rx_drop_overrun;
 314         stats->imissed += port_stats.rx_drop_bcast;
 315         stats->imissed += port_stats.rx_drop_mcast;
 316         stats->imissed += port_stats.rx_drop_l3_bcast;
 317         stats->imissed += port_stats.rx_drop_l3_mcast;
 318
 319         stats->obytes = port_stats.tx_bytes_ok;
 320         stats->opackets = port_stats.tx_ucast_frames_ok;
 321         stats->opackets += port_stats.tx_bcast_frames_ok;
 322         stats->opackets += port_stats.tx_mcast_frames_ok;
 323         stats->oerrors = port_stats.tx_drops;
 324
 325         return 0;
 326 }
 327
 328 static const uint32_t *
 329 nicvf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 330 {
 331         size_t copied;
 332         static uint32_t ptypes[32];
 333         struct nicvf *nic = nicvf_pmd_priv(dev);
 334         static const uint32_t ptypes_common[] = {
 335                 RTE_PTYPE_L3_IPV4,
 336                 RTE_PTYPE_L3_IPV4_EXT,
 337                 RTE_PTYPE_L3_IPV6,
 338                 RTE_PTYPE_L3_IPV6_EXT,
 339                 RTE_PTYPE_L4_TCP,
 340                 RTE_PTYPE_L4_UDP,
 341                 RTE_PTYPE_L4_FRAG,
 342         };
 343         static const uint32_t ptypes_tunnel[] = {
 344                 RTE_PTYPE_TUNNEL_GRE,
 345                 RTE_PTYPE_TUNNEL_GENEVE,
 346                 RTE_PTYPE_TUNNEL_VXLAN,
 347                 RTE_PTYPE_TUNNEL_NVGRE,
 348         };
 349         static const uint32_t ptypes_end = RTE_PTYPE_UNKNOWN;
 350
 351         copied = sizeof(ptypes_common);
 352         memcpy(ptypes, ptypes_common, copied);
 353         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 354                 memcpy((char *)ptypes + copied, ptypes_tunnel,
 355                         sizeof(ptypes_tunnel));
 356                 copied += sizeof(ptypes_tunnel);
 357         }
 358
 359         memcpy((char *)ptypes + copied, &ptypes_end, sizeof(ptypes_end));
 360
 361         /* All Ptypes are supported in all Rx functions. */
 362         return ptypes;
 363 }
 364
 365 static void
 366 nicvf_dev_stats_reset(struct rte_eth_dev *dev)
 367 {
 368         int i;
 369         uint16_t rxqs = 0, txqs = 0;
 370         struct nicvf *nic = nicvf_pmd_priv(dev);
 371         uint16_t rx_start, rx_end;
 372         uint16_t tx_start, tx_end;
 373
 374         /* Reset all primary nic counters */
 375         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 376         for (i = rx_start; i <= rx_end; i++)
 377                 rxqs |= (0x3 << (i * 2));
 378
 379         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
 380         for (i = tx_start; i <= tx_end; i++)
 381                 txqs |= (0x3 << (i * 2));
 382
 383         nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, rxqs, txqs);
 384
 385         /* Reset secondary nic queue counters */
 386         for (i = 0; i < nic->sqs_count; i++) {
 387                 struct nicvf *snic = nic->snicvf[i];
 388                 if (snic == NULL)
 389                         break;
 390
 391                 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
 392                 for (i = rx_start; i <= rx_end; i++)
 393                         rxqs |= (0x3 << ((i % MAX_CMP_QUEUES_PER_QS) * 2));
 394
 395                 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
 396                 for (i = tx_start; i <= tx_end; i++)
 397                         txqs |= (0x3 << ((i % MAX_SND_QUEUES_PER_QS) * 2));
 398
 399                 nicvf_mbox_reset_stat_counters(snic, 0, 0, rxqs, txqs);
 400         }
 401 }
 402
 403 /* Promiscuous mode enabled by default in LMAC to VF 1:1 map configuration */
 404 static void
 405 nicvf_dev_promisc_enable(struct rte_eth_dev *dev __rte_unused)
 406 {
 407 }
 408
 409 static inline uint64_t
 410 nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss)
 411 {
 412         uint64_t nic_rss = 0;
 413
 414         if (ethdev_rss & ETH_RSS_IPV4)
 415                 nic_rss |= RSS_IP_ENA;
 416
 417         if (ethdev_rss & ETH_RSS_IPV6)
 418                 nic_rss |= RSS_IP_ENA;
 419
 420         if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP)
 421                 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
 422
 423         if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP)
 424                 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
 425
 426         if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP)
 427                 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
 428
 429         if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP)
 430                 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
 431
 432         if (ethdev_rss & ETH_RSS_PORT)
 433                 nic_rss |= RSS_L2_EXTENDED_HASH_ENA;
 434
 435         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 436                 if (ethdev_rss & ETH_RSS_VXLAN)
 437                         nic_rss |= RSS_TUN_VXLAN_ENA;
 438
 439                 if (ethdev_rss & ETH_RSS_GENEVE)
 440                         nic_rss |= RSS_TUN_GENEVE_ENA;
 441
 442                 if (ethdev_rss & ETH_RSS_NVGRE)
 443                         nic_rss |= RSS_TUN_NVGRE_ENA;
 444         }
 445
 446         return nic_rss;
 447 }
 448
 449 static inline uint64_t
 450 nicvf_rss_nic_to_ethdev(struct nicvf *nic,  uint64_t nic_rss)
 451 {
 452         uint64_t ethdev_rss = 0;
 453
 454         if (nic_rss & RSS_IP_ENA)
 455                 ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6);
 456
 457         if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA))
 458                 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP |
 459                                 ETH_RSS_NONFRAG_IPV6_TCP);
 460
 461         if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA))
 462                 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP |
 463                                 ETH_RSS_NONFRAG_IPV6_UDP);
 464
 465         if (nic_rss & RSS_L2_EXTENDED_HASH_ENA)
 466                 ethdev_rss |= ETH_RSS_PORT;
 467
 468         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
 469                 if (nic_rss & RSS_TUN_VXLAN_ENA)
 470                         ethdev_rss |= ETH_RSS_VXLAN;
 471
 472                 if (nic_rss & RSS_TUN_GENEVE_ENA)
 473                         ethdev_rss |= ETH_RSS_GENEVE;
 474
 475                 if (nic_rss & RSS_TUN_NVGRE_ENA)
 476                         ethdev_rss |= ETH_RSS_NVGRE;
 477         }
 478         return ethdev_rss;
 479 }
 480
 481 static int
 482 nicvf_dev_reta_query(struct rte_eth_dev *dev,
 483                      struct rte_eth_rss_reta_entry64 *reta_conf,
 484                      uint16_t reta_size)
 485 {
 486         struct nicvf *nic = nicvf_pmd_priv(dev);
 487         uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
 488         int ret, i, j;
 489
 490         if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
 491                 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
 492                         "(%d) doesn't match the number hardware can supported "
 493                         "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
 494                 return -EINVAL;
 495         }
 496
 497         ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 498         if (ret)
 499                 return ret;
 500
 501         /* Copy RETA table */
 502         for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
 503                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
 504                         if ((reta_conf[i].mask >> j) & 0x01)
 505                                 reta_conf[i].reta[j] = tbl[j];
 506         }
 507
 508         return 0;
 509 }
 510
 511 static int
 512 nicvf_dev_reta_update(struct rte_eth_dev *dev,
 513                       struct rte_eth_rss_reta_entry64 *reta_conf,
 514                       uint16_t reta_size)
 515 {
 516         struct nicvf *nic = nicvf_pmd_priv(dev);
 517         uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
 518         int ret, i, j;
 519
 520         if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
 521                 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
 522                         "(%d) doesn't match the number hardware can supported "
 523                         "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
 524                 return -EINVAL;
 525         }
 526
 527         ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 528         if (ret)
 529                 return ret;
 530
 531         /* Copy RETA table */
 532         for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
 533                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
 534                         if ((reta_conf[i].mask >> j) & 0x01)
 535                                 tbl[j] = reta_conf[i].reta[j];
 536         }
 537
 538         return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
 539 }
 540
 541 static int
 542 nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 543                             struct rte_eth_rss_conf *rss_conf)
 544 {
 545         struct nicvf *nic = nicvf_pmd_priv(dev);
 546
 547         if (rss_conf->rss_key)
 548                 nicvf_rss_get_key(nic, rss_conf->rss_key);
 549
 550         rss_conf->rss_key_len =  RSS_HASH_KEY_BYTE_SIZE;
 551         rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic));
 552         return 0;
 553 }
 554
 555 static int
 556 nicvf_dev_rss_hash_update(struct rte_eth_dev *dev,
 557                           struct rte_eth_rss_conf *rss_conf)
 558 {
 559         struct nicvf *nic = nicvf_pmd_priv(dev);
 560         uint64_t nic_rss;
 561
 562         if (rss_conf->rss_key &&
 563                 rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) {
 564                 RTE_LOG(ERR, PMD, "Hash key size mismatch %d",
 565                                 rss_conf->rss_key_len);
 566                 return -EINVAL;
 567         }
 568
 569         if (rss_conf->rss_key)
 570                 nicvf_rss_set_key(nic, rss_conf->rss_key);
 571
 572         nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf);
 573         nicvf_rss_set_cfg(nic, nic_rss);
 574         return 0;
 575 }
 576
 577 static int
 578 nicvf_qset_cq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 579                     struct nicvf_rxq *rxq, uint16_t qidx, uint32_t desc_cnt)
 580 {
 581         const struct rte_memzone *rz;
 582         uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t);
 583
 584         rz = rte_eth_dma_zone_reserve(dev, "cq_ring",
 585                                       nicvf_netdev_qidx(nic, qidx), ring_size,
 586                                       NICVF_CQ_BASE_ALIGN_BYTES, nic->node);
 587         if (rz == NULL) {
 588                 PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring");
 589                 return -ENOMEM;
 590         }
 591
 592         memset(rz->addr, 0, ring_size);
 593
 594         rxq->phys = rz->iova;
 595         rxq->desc = rz->addr;
 596         rxq->qlen_mask = desc_cnt - 1;
 597
 598         return 0;
 599 }
 600
 601 static int
 602 nicvf_qset_sq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 603                     struct nicvf_txq *sq, uint16_t qidx, uint32_t desc_cnt)
 604 {
 605         const struct rte_memzone *rz;
 606         uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t);
 607
 608         rz = rte_eth_dma_zone_reserve(dev, "sq",
 609                                       nicvf_netdev_qidx(nic, qidx), ring_size,
 610                                       NICVF_SQ_BASE_ALIGN_BYTES, nic->node);
 611         if (rz == NULL) {
 612                 PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring");
 613                 return -ENOMEM;
 614         }
 615
 616         memset(rz->addr, 0, ring_size);
 617
 618         sq->phys = rz->iova;
 619         sq->desc = rz->addr;
 620         sq->qlen_mask = desc_cnt - 1;
 621
 622         return 0;
 623 }
 624
 625 static int
 626 nicvf_qset_rbdr_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
 627                       uint32_t desc_cnt, uint32_t buffsz)
 628 {
 629         struct nicvf_rbdr *rbdr;
 630         const struct rte_memzone *rz;
 631         uint32_t ring_size;
 632
 633         assert(nic->rbdr == NULL);
 634         rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr),
 635                                   RTE_CACHE_LINE_SIZE, nic->node);
 636         if (rbdr == NULL) {
 637                 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr");
 638                 return -ENOMEM;
 639         }
 640
 641         ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX;
 642         rz = rte_eth_dma_zone_reserve(dev, "rbdr",
 643                                       nicvf_netdev_qidx(nic, 0), ring_size,
 644                                       NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
 645         if (rz == NULL) {
 646                 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring");
 647                 return -ENOMEM;
 648         }
 649
 650         memset(rz->addr, 0, ring_size);
 651
 652         rbdr->phys = rz->iova;
 653         rbdr->tail = 0;
 654         rbdr->next_tail = 0;
 655         rbdr->desc = rz->addr;
 656         rbdr->buffsz = buffsz;
 657         rbdr->qlen_mask = desc_cnt - 1;
 658         rbdr->rbdr_status =
 659                 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0;
 660         rbdr->rbdr_door =
 661                 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR;
 662
 663         nic->rbdr = rbdr;
 664         return 0;
 665 }
 666
 667 static void
 668 nicvf_rbdr_release_mbuf(struct rte_eth_dev *dev, struct nicvf *nic,
 669                         nicvf_iova_addr_t phy)
 670 {
 671         uint16_t qidx;
 672         void *obj;
 673         struct nicvf_rxq *rxq;
 674         uint16_t rx_start, rx_end;
 675
 676         /* Get queue ranges for this VF */
 677         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
 678
 679         for (qidx = rx_start; qidx <= rx_end; qidx++) {
 680                 rxq = dev->data->rx_queues[qidx];
 681                 if (rxq->precharge_cnt) {
 682                         obj = (void *)nicvf_mbuff_phy2virt(phy,
 683                                                            rxq->mbuf_phys_off);
 684                         rte_mempool_put(rxq->pool, obj);
 685                         rxq->precharge_cnt--;
 686                         break;
 687                 }
 688         }
 689 }
 690
 691 static inline void
 692 nicvf_rbdr_release_mbufs(struct rte_eth_dev *dev, struct nicvf *nic)
 693 {
 694         uint32_t qlen_mask, head;
 695         struct rbdr_entry_t *entry;
 696         struct nicvf_rbdr *rbdr = nic->rbdr;
 697
 698         qlen_mask = rbdr->qlen_mask;
 699         head = rbdr->head;
 700         while (head != rbdr->tail) {
 701                 entry = rbdr->desc + head;
 702                 nicvf_rbdr_release_mbuf(dev, nic, entry->full_addr);
 703                 head++;
 704                 head = head & qlen_mask;
 705         }
 706 }
 707
 708 static inline void
 709 nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq)
 710 {
 711         uint32_t head;
 712
 713         head = txq->head;
 714         while (head != txq->tail) {
 715                 if (txq->txbuffs[head]) {
 716                         rte_pktmbuf_free_seg(txq->txbuffs[head]);
 717                         txq->txbuffs[head] = NULL;
 718                 }
 719                 head++;
 720                 head = head & txq->qlen_mask;
 721         }
 722 }
 723
 724 static void
 725 nicvf_tx_queue_reset(struct nicvf_txq *txq)
 726 {
 727         uint32_t txq_desc_cnt = txq->qlen_mask + 1;
 728
 729         memset(txq->desc, 0, sizeof(union sq_entry_t) * txq_desc_cnt);
 730         memset(txq->txbuffs, 0, sizeof(struct rte_mbuf *) * txq_desc_cnt);
 731         txq->tail = 0;
 732         txq->head = 0;
 733         txq->xmit_bufs = 0;
 734 }
 735
 736 static inline int
 737 nicvf_vf_start_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
 738                         uint16_t qidx)
 739 {
 740         struct nicvf_txq *txq;
 741         int ret;
 742
 743         assert(qidx < MAX_SND_QUEUES_PER_QS);
 744
 745         if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
 746                 RTE_ETH_QUEUE_STATE_STARTED)
 747                 return 0;
 748
 749         txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
 750         txq->pool = NULL;
 751         ret = nicvf_qset_sq_config(nic, qidx, txq);
 752         if (ret) {
 753                 PMD_INIT_LOG(ERR, "Failed to configure sq VF%d %d %d",
 754                              nic->vf_id, qidx, ret);
 755                 goto config_sq_error;
 756         }
 757
 758         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
 759                 RTE_ETH_QUEUE_STATE_STARTED;
 760         return ret;
 761
 762 config_sq_error:
 763         nicvf_qset_sq_reclaim(nic, qidx);
 764         return ret;
 765 }
 766
 767 static inline int
 768 nicvf_vf_stop_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
 769                        uint16_t qidx)
 770 {
 771         struct nicvf_txq *txq;
 772         int ret;
 773
 774         assert(qidx < MAX_SND_QUEUES_PER_QS);
 775
 776         if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
 777                 RTE_ETH_QUEUE_STATE_STOPPED)
 778                 return 0;
 779
 780         ret = nicvf_qset_sq_reclaim(nic, qidx);
 781         if (ret)
 782                 PMD_INIT_LOG(ERR, "Failed to reclaim sq VF%d %d %d",
 783                              nic->vf_id, qidx, ret);
 784
 785         txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
 786         nicvf_tx_queue_release_mbufs(txq);
 787         nicvf_tx_queue_reset(txq);
 788
 789         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
 790                 RTE_ETH_QUEUE_STATE_STOPPED;
 791         return ret;
 792 }
 793
 794 static inline int
 795 nicvf_configure_cpi(struct rte_eth_dev *dev)
 796 {
 797         struct nicvf *nic = nicvf_pmd_priv(dev);
 798         uint16_t qidx, qcnt;
 799         int ret;
 800
 801         /* Count started rx queues */
 802         for (qidx = qcnt = 0; qidx < dev->data->nb_rx_queues; qidx++)
 803                 if (dev->data->rx_queue_state[qidx] ==
 804                     RTE_ETH_QUEUE_STATE_STARTED)
 805                         qcnt++;
 806
 807         nic->cpi_alg = CPI_ALG_NONE;
 808         ret = nicvf_mbox_config_cpi(nic, qcnt);
 809         if (ret)
 810                 PMD_INIT_LOG(ERR, "Failed to configure CPI %d", ret);
 811
 812         return ret;
 813 }
 814
 815 static inline int
 816 nicvf_configure_rss(struct rte_eth_dev *dev)
 817 {
 818         struct nicvf *nic = nicvf_pmd_priv(dev);
 819         uint64_t rsshf;
 820         int ret = -EINVAL;
 821
 822         rsshf = nicvf_rss_ethdev_to_nic(nic,
 823                         dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
 824         PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64,
 825                     dev->data->dev_conf.rxmode.mq_mode,
 826                     dev->data->nb_rx_queues,
 827                     dev->data->dev_conf.lpbk_mode, rsshf);
 828
 829         if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
 830                 ret = nicvf_rss_term(nic);
 831         else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
 832                 ret = nicvf_rss_config(nic, dev->data->nb_rx_queues, rsshf);
 833         if (ret)
 834                 PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret);
 835
 836         return ret;
 837 }
 838
 839 static int
 840 nicvf_configure_rss_reta(struct rte_eth_dev *dev)
 841 {
 842         struct nicvf *nic = nicvf_pmd_priv(dev);
 843         unsigned int idx, qmap_size;
 844         uint8_t qmap[RTE_MAX_QUEUES_PER_PORT];
 845         uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE];
 846
 847         if (nic->cpi_alg != CPI_ALG_NONE)
 848                 return -EINVAL;
 849
 850         /* Prepare queue map */
 851         for (idx = 0, qmap_size = 0; idx < dev->data->nb_rx_queues; idx++) {
 852                 if (dev->data->rx_queue_state[idx] ==
 853                                 RTE_ETH_QUEUE_STATE_STARTED)
 854                         qmap[qmap_size++] = idx;
 855         }
 856
 857         /* Update default RSS RETA */
 858         for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++)
 859                 default_reta[idx] = qmap[idx % qmap_size];
 860
 861         return nicvf_rss_reta_update(nic, default_reta,
 862                                      NIC_MAX_RSS_IDR_TBL_SIZE);
 863 }
 864
 865 static void
 866 nicvf_dev_tx_queue_release(void *sq)
 867 {
 868         struct nicvf_txq *txq;
 869
 870         PMD_INIT_FUNC_TRACE();
 871
 872         txq = (struct nicvf_txq *)sq;
 873         if (txq) {
 874                 if (txq->txbuffs != NULL) {
 875                         nicvf_tx_queue_release_mbufs(txq);
 876                         rte_free(txq->txbuffs);
 877                         txq->txbuffs = NULL;
 878                 }
 879                 rte_free(txq);
 880         }
 881 }
 882
 883 static void
 884 nicvf_set_tx_function(struct rte_eth_dev *dev)
 885 {
 886         struct nicvf_txq *txq = NULL;
 887         size_t i;
 888         bool multiseg = false;
 889
 890         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 891                 txq = dev->data->tx_queues[i];
 892                 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS) {
 893                         multiseg = true;
 894                         break;
 895                 }
 896         }
 897
 898         /* Use a simple Tx queue (no offloads, no multi segs) if possible */
 899         if (multiseg) {
 900                 PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback");
 901                 dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg;
 902         } else {
 903                 PMD_DRV_LOG(DEBUG, "Using single-segment tx callback");
 904                 dev->tx_pkt_burst = nicvf_xmit_pkts;
 905         }
 906
 907         if (!txq)
 908                 return;
 909
 910         if (txq->pool_free == nicvf_single_pool_free_xmited_buffers)
 911                 PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method");
 912         else
 913                 PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method");
 914 }
 915
 916 static void
 917 nicvf_set_rx_function(struct rte_eth_dev *dev)
 918 {
 919         struct nicvf *nic = nicvf_pmd_priv(dev);
 920
 921         const eth_rx_burst_t rx_burst_func[2][2][2] = {
 922         /* [NORMAL/SCATTER] [CKSUM/NO_CKSUM] [VLAN_STRIP/NO_VLAN_STRIP] */
 923                 [0][0][0] = nicvf_recv_pkts_no_offload,
 924                 [0][0][1] = nicvf_recv_pkts_vlan_strip,
 925                 [0][1][0] = nicvf_recv_pkts_cksum,
 926                 [0][1][1] = nicvf_recv_pkts_cksum_vlan_strip,
 927                 [1][0][0] = nicvf_recv_pkts_multiseg_no_offload,
 928                 [1][0][1] = nicvf_recv_pkts_multiseg_vlan_strip,
 929                 [1][1][0] = nicvf_recv_pkts_multiseg_cksum,
 930                 [1][1][1] = nicvf_recv_pkts_multiseg_cksum_vlan_strip,
 931         };
 932
 933         dev->rx_pkt_burst =
 934                 rx_burst_func[dev->data->scattered_rx]
 935                         [nic->offload_cksum][nic->vlan_strip];
 936 }
 937
 938 static int
 939 nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
 940                          uint16_t nb_desc, unsigned int socket_id,
 941                          const struct rte_eth_txconf *tx_conf)
 942 {
 943         uint16_t tx_free_thresh;
 944         bool is_single_pool;
 945         struct nicvf_txq *txq;
 946         struct nicvf *nic = nicvf_pmd_priv(dev);
 947         uint64_t offloads;
 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->sq_head = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_HEAD;
1011         txq->sq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_DOOR;
1012         offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
1013         txq->offloads = offloads;
1014
1015         is_single_pool = !!(offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE);
1016
1017         /* Choose optimum free threshold value for multipool case */
1018         if (!is_single_pool) {
1019                 txq->tx_free_thresh = (uint16_t)
1020                 (tx_conf->tx_free_thresh == NICVF_DEFAULT_TX_FREE_THRESH ?
1021                                 NICVF_TX_FREE_MPOOL_THRESH :
1022                                 tx_conf->tx_free_thresh);
1023                 txq->pool_free = nicvf_multi_pool_free_xmited_buffers;
1024         } else {
1025                 txq->pool_free = nicvf_single_pool_free_xmited_buffers;
1026         }
1027
1028         /* Allocate software ring */
1029         txq->txbuffs = rte_zmalloc_socket("txq->txbuffs",
1030                                 nb_desc * sizeof(struct rte_mbuf *),
1031                                 RTE_CACHE_LINE_SIZE, nic->node);
1032
1033         if (txq->txbuffs == NULL) {
1034                 nicvf_dev_tx_queue_release(txq);
1035                 return -ENOMEM;
1036         }
1037
1038         if (nicvf_qset_sq_alloc(dev, nic, txq, qidx, nb_desc)) {
1039                 PMD_INIT_LOG(ERR, "Failed to allocate mem for sq %d", qidx);
1040                 nicvf_dev_tx_queue_release(txq);
1041                 return -ENOMEM;
1042         }
1043
1044         nicvf_tx_queue_reset(txq);
1045
1046         PMD_INIT_LOG(DEBUG, "[%d] txq=%p nb_desc=%d desc=%p"
1047                         " phys=0x%" PRIx64 " offloads=0x%" PRIx64,
1048                         nicvf_netdev_qidx(nic, qidx), txq, nb_desc, txq->desc,
1049                         txq->phys, txq->offloads);
1050
1051         dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = txq;
1052         dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1053                 RTE_ETH_QUEUE_STATE_STOPPED;
1054         return 0;
1055 }
1056
1057 static inline void
1058 nicvf_rx_queue_release_mbufs(struct rte_eth_dev *dev, struct nicvf_rxq *rxq)
1059 {
1060         uint32_t rxq_cnt;
1061         uint32_t nb_pkts, released_pkts = 0;
1062         uint32_t refill_cnt = 0;
1063         struct rte_mbuf *rx_pkts[NICVF_MAX_RX_FREE_THRESH];
1064
1065         if (dev->rx_pkt_burst == NULL)
1066                 return;
1067
1068         while ((rxq_cnt = nicvf_dev_rx_queue_count(dev,
1069                                 nicvf_netdev_qidx(rxq->nic, rxq->queue_id)))) {
1070                 nb_pkts = dev->rx_pkt_burst(rxq, rx_pkts,
1071                                         NICVF_MAX_RX_FREE_THRESH);
1072                 PMD_DRV_LOG(INFO, "nb_pkts=%d  rxq_cnt=%d", nb_pkts, rxq_cnt);
1073                 while (nb_pkts) {
1074                         rte_pktmbuf_free_seg(rx_pkts[--nb_pkts]);
1075                         released_pkts++;
1076                 }
1077         }
1078
1079
1080         refill_cnt += nicvf_dev_rbdr_refill(dev,
1081                         nicvf_netdev_qidx(rxq->nic, rxq->queue_id));
1082
1083         PMD_DRV_LOG(INFO, "free_cnt=%d  refill_cnt=%d",
1084                     released_pkts, refill_cnt);
1085 }
1086
1087 static void
1088 nicvf_rx_queue_reset(struct nicvf_rxq *rxq)
1089 {
1090         rxq->head = 0;
1091         rxq->available_space = 0;
1092         rxq->recv_buffers = 0;
1093 }
1094
1095 static inline int
1096 nicvf_vf_start_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1097                         uint16_t qidx)
1098 {
1099         struct nicvf_rxq *rxq;
1100         int ret;
1101
1102         assert(qidx < MAX_RCV_QUEUES_PER_QS);
1103
1104         if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1105                 RTE_ETH_QUEUE_STATE_STARTED)
1106                 return 0;
1107
1108         /* Update rbdr pointer to all rxq */
1109         rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1110         rxq->shared_rbdr = nic->rbdr;
1111
1112         ret = nicvf_qset_rq_config(nic, qidx, rxq);
1113         if (ret) {
1114                 PMD_INIT_LOG(ERR, "Failed to configure rq VF%d %d %d",
1115                              nic->vf_id, qidx, ret);
1116                 goto config_rq_error;
1117         }
1118         ret = nicvf_qset_cq_config(nic, qidx, rxq);
1119         if (ret) {
1120                 PMD_INIT_LOG(ERR, "Failed to configure cq VF%d %d %d",
1121                              nic->vf_id, qidx, ret);
1122                 goto config_cq_error;
1123         }
1124
1125         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1126                 RTE_ETH_QUEUE_STATE_STARTED;
1127         return 0;
1128
1129 config_cq_error:
1130         nicvf_qset_cq_reclaim(nic, qidx);
1131 config_rq_error:
1132         nicvf_qset_rq_reclaim(nic, qidx);
1133         return ret;
1134 }
1135
1136 static inline int
1137 nicvf_vf_stop_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1138                        uint16_t qidx)
1139 {
1140         struct nicvf_rxq *rxq;
1141         int ret, other_error;
1142
1143         if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1144                 RTE_ETH_QUEUE_STATE_STOPPED)
1145                 return 0;
1146
1147         ret = nicvf_qset_rq_reclaim(nic, qidx);
1148         if (ret)
1149                 PMD_INIT_LOG(ERR, "Failed to reclaim rq VF%d %d %d",
1150                              nic->vf_id, qidx, ret);
1151
1152         other_error = ret;
1153         rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1154         nicvf_rx_queue_release_mbufs(dev, rxq);
1155         nicvf_rx_queue_reset(rxq);
1156
1157         ret = nicvf_qset_cq_reclaim(nic, qidx);
1158         if (ret)
1159                 PMD_INIT_LOG(ERR, "Failed to reclaim cq VF%d %d %d",
1160                              nic->vf_id, qidx, ret);
1161
1162         other_error |= ret;
1163         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1164                 RTE_ETH_QUEUE_STATE_STOPPED;
1165         return other_error;
1166 }
1167
1168 static void
1169 nicvf_dev_rx_queue_release(void *rx_queue)
1170 {
1171         PMD_INIT_FUNC_TRACE();
1172
1173         rte_free(rx_queue);
1174 }
1175
1176 static int
1177 nicvf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1178 {
1179         struct nicvf *nic = nicvf_pmd_priv(dev);
1180         int ret;
1181
1182         if (qidx >= MAX_RCV_QUEUES_PER_QS)
1183                 nic = nic->snicvf[(qidx / MAX_RCV_QUEUES_PER_QS - 1)];
1184
1185         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1186
1187         ret = nicvf_vf_start_rx_queue(dev, nic, qidx);
1188         if (ret)
1189                 return ret;
1190
1191         ret = nicvf_configure_cpi(dev);
1192         if (ret)
1193                 return ret;
1194
1195         return nicvf_configure_rss_reta(dev);
1196 }
1197
1198 static int
1199 nicvf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1200 {
1201         int ret;
1202         struct nicvf *nic = nicvf_pmd_priv(dev);
1203
1204         if (qidx >= MAX_SND_QUEUES_PER_QS)
1205                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1206
1207         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1208
1209         ret = nicvf_vf_stop_rx_queue(dev, nic, qidx);
1210         ret |= nicvf_configure_cpi(dev);
1211         ret |= nicvf_configure_rss_reta(dev);
1212         return ret;
1213 }
1214
1215 static int
1216 nicvf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1217 {
1218         struct nicvf *nic = nicvf_pmd_priv(dev);
1219
1220         if (qidx >= MAX_SND_QUEUES_PER_QS)
1221                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1222
1223         qidx = qidx % MAX_SND_QUEUES_PER_QS;
1224
1225         return nicvf_vf_start_tx_queue(dev, nic, qidx);
1226 }
1227
1228 static int
1229 nicvf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1230 {
1231         struct nicvf *nic = nicvf_pmd_priv(dev);
1232
1233         if (qidx >= MAX_SND_QUEUES_PER_QS)
1234                 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1235
1236         qidx = qidx % MAX_SND_QUEUES_PER_QS;
1237
1238         return nicvf_vf_stop_tx_queue(dev, nic, qidx);
1239 }
1240
1241 static inline void
1242 nicvf_rxq_mbuf_setup(struct nicvf_rxq *rxq)
1243 {
1244         uintptr_t p;
1245         struct rte_mbuf mb_def;
1246         struct nicvf *nic = rxq->nic;
1247
1248         RTE_BUILD_BUG_ON(sizeof(union mbuf_initializer) != 8);
1249         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
1250         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
1251                                 offsetof(struct rte_mbuf, data_off) != 2);
1252         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
1253                                 offsetof(struct rte_mbuf, data_off) != 4);
1254         RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
1255                                 offsetof(struct rte_mbuf, data_off) != 6);
1256         RTE_BUILD_BUG_ON(offsetof(struct nicvf_rxq, rxq_fastpath_data_end) -
1257                                 offsetof(struct nicvf_rxq,
1258                                         rxq_fastpath_data_start) > 128);
1259         mb_def.nb_segs = 1;
1260         mb_def.data_off = RTE_PKTMBUF_HEADROOM + (nic->skip_bytes);
1261         mb_def.port = rxq->port_id;
1262         rte_mbuf_refcnt_set(&mb_def, 1);
1263
1264         /* Prevent compiler reordering: rearm_data covers previous fields */
1265         rte_compiler_barrier();
1266         p = (uintptr_t)&mb_def.rearm_data;
1267         rxq->mbuf_initializer.value = *(uint64_t *)p;
1268 }
1269
1270 static int
1271 nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1272                          uint16_t nb_desc, unsigned int socket_id,
1273                          const struct rte_eth_rxconf *rx_conf,
1274                          struct rte_mempool *mp)
1275 {
1276         uint16_t rx_free_thresh;
1277         struct nicvf_rxq *rxq;
1278         struct nicvf *nic = nicvf_pmd_priv(dev);
1279         uint64_t offloads;
1280         uint32_t buffsz;
1281         struct rte_pktmbuf_pool_private *mbp_priv;
1282
1283         PMD_INIT_FUNC_TRACE();
1284
1285         /* First skip check */
1286         mbp_priv = rte_mempool_get_priv(mp);
1287         buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1288         if (buffsz < (uint32_t)(nic->skip_bytes)) {
1289                 PMD_INIT_LOG(ERR, "First skip is more than configured buffer size");
1290                 return -EINVAL;
1291         }
1292
1293         if (qidx >= MAX_RCV_QUEUES_PER_QS)
1294                 nic = nic->snicvf[qidx / MAX_RCV_QUEUES_PER_QS - 1];
1295
1296         qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1297
1298         /* Socket id check */
1299         if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node)
1300                 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d",
1301                 socket_id, nic->node);
1302
1303         /* Mempool memory must be contiguous, so must be one memory segment*/
1304         if (mp->nb_mem_chunks != 1) {
1305                 PMD_INIT_LOG(ERR, "Non-contiguous mempool, add more huge pages");
1306                 return -EINVAL;
1307         }
1308
1309         /* Mempool memory must be physically contiguous */
1310         if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG) {
1311                 PMD_INIT_LOG(ERR, "Mempool memory must be physically contiguous");
1312                 return -EINVAL;
1313         }
1314
1315         /* Rx deferred start is not supported */
1316         if (rx_conf->rx_deferred_start) {
1317                 PMD_INIT_LOG(ERR, "Rx deferred start not supported");
1318                 return -EINVAL;
1319         }
1320
1321         /* Roundup nb_desc to available qsize and validate max number of desc */
1322         nb_desc = nicvf_qsize_cq_roundup(nb_desc);
1323         if (nb_desc == 0) {
1324                 PMD_INIT_LOG(ERR, "Value nb_desc beyond available hw cq qsize");
1325                 return -EINVAL;
1326         }
1327
1328
1329         /* Check rx_free_thresh upper bound */
1330         rx_free_thresh = (uint16_t)((rx_conf->rx_free_thresh) ?
1331                                 rx_conf->rx_free_thresh :
1332                                 NICVF_DEFAULT_RX_FREE_THRESH);
1333         if (rx_free_thresh > NICVF_MAX_RX_FREE_THRESH ||
1334                 rx_free_thresh >= nb_desc * .75) {
1335                 PMD_INIT_LOG(ERR, "rx_free_thresh greater than expected %d",
1336                                 rx_free_thresh);
1337                 return -EINVAL;
1338         }
1339
1340         /* Free memory prior to re-allocation if needed */
1341         if (dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) {
1342                 PMD_RX_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
1343                                 nicvf_netdev_qidx(nic, qidx));
1344                 nicvf_dev_rx_queue_release(
1345                         dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]);
1346                 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL;
1347         }
1348
1349         /* Allocate rxq memory */
1350         rxq = rte_zmalloc_socket("ethdev rx queue", sizeof(struct nicvf_rxq),
1351                                         RTE_CACHE_LINE_SIZE, nic->node);
1352         if (rxq == NULL) {
1353                 PMD_INIT_LOG(ERR, "Failed to allocate rxq=%d",
1354                              nicvf_netdev_qidx(nic, qidx));
1355                 return -ENOMEM;
1356         }
1357
1358         rxq->nic = nic;
1359         rxq->pool = mp;
1360         rxq->queue_id = qidx;
1361         rxq->port_id = dev->data->port_id;
1362         rxq->rx_free_thresh = rx_free_thresh;
1363         rxq->rx_drop_en = rx_conf->rx_drop_en;
1364         rxq->cq_status = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_STATUS;
1365         rxq->cq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_DOOR;
1366         rxq->precharge_cnt = 0;
1367
1368         if (nicvf_hw_cap(nic) & NICVF_CAP_CQE_RX2)
1369                 rxq->rbptr_offset = NICVF_CQE_RX2_RBPTR_WORD;
1370         else
1371                 rxq->rbptr_offset = NICVF_CQE_RBPTR_WORD;
1372
1373         nicvf_rxq_mbuf_setup(rxq);
1374
1375         /* Alloc completion queue */
1376         if (nicvf_qset_cq_alloc(dev, nic, rxq, rxq->queue_id, nb_desc)) {
1377                 PMD_INIT_LOG(ERR, "failed to allocate cq %u", rxq->queue_id);
1378                 nicvf_dev_rx_queue_release(rxq);
1379                 return -ENOMEM;
1380         }
1381
1382         nicvf_rx_queue_reset(rxq);
1383
1384         offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
1385         PMD_INIT_LOG(DEBUG, "[%d] rxq=%p pool=%s nb_desc=(%d/%d)"
1386                         " phy=0x%" PRIx64 " offloads=0x%" PRIx64,
1387                         nicvf_netdev_qidx(nic, qidx), rxq, mp->name, nb_desc,
1388                         rte_mempool_avail_count(mp), rxq->phys, offloads);
1389
1390         dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = rxq;
1391         dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1392                 RTE_ETH_QUEUE_STATE_STOPPED;
1393         return 0;
1394 }
1395
1396 static void
1397 nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1398 {
1399         struct nicvf *nic = nicvf_pmd_priv(dev);
1400         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1401
1402         PMD_INIT_FUNC_TRACE();
1403
1404         /* Autonegotiation may be disabled */
1405         dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
1406         dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
1407                                  ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
1408         if (nicvf_hw_version(nic) != PCI_SUB_DEVICE_ID_CN81XX_NICVF)
1409                 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
1410
1411         dev_info->min_rx_bufsize = ETHER_MIN_MTU;
1412         dev_info->max_rx_pktlen = NIC_HW_MAX_MTU + ETHER_HDR_LEN;
1413         dev_info->max_rx_queues =
1414                         (uint16_t)MAX_RCV_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1415         dev_info->max_tx_queues =
1416                         (uint16_t)MAX_SND_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1417         dev_info->max_mac_addrs = 1;
1418         dev_info->max_vfs = pci_dev->max_vfs;
1419
1420         dev_info->rx_offload_capa = NICVF_RX_OFFLOAD_CAPA;
1421         dev_info->tx_offload_capa = NICVF_TX_OFFLOAD_CAPA;
1422         dev_info->rx_queue_offload_capa = NICVF_RX_OFFLOAD_CAPA;
1423         dev_info->tx_queue_offload_capa = NICVF_TX_OFFLOAD_CAPA;
1424
1425         dev_info->reta_size = nic->rss_info.rss_size;
1426         dev_info->hash_key_size = RSS_HASH_KEY_BYTE_SIZE;
1427         dev_info->flow_type_rss_offloads = NICVF_RSS_OFFLOAD_PASS1;
1428         if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING)
1429                 dev_info->flow_type_rss_offloads |= NICVF_RSS_OFFLOAD_TUNNEL;
1430
1431         dev_info->default_rxconf = (struct rte_eth_rxconf) {
1432                 .rx_free_thresh = NICVF_DEFAULT_RX_FREE_THRESH,
1433                 .rx_drop_en = 0,
1434                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
1435         };
1436
1437         dev_info->default_txconf = (struct rte_eth_txconf) {
1438                 .tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH,
1439                 .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE |
1440                         DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM   |
1441                         DEV_TX_OFFLOAD_UDP_CKSUM          |
1442                         DEV_TX_OFFLOAD_TCP_CKSUM,
1443         };
1444 }
1445
1446 static nicvf_iova_addr_t
1447 rbdr_rte_mempool_get(void *dev, void *opaque)
1448 {
1449         uint16_t qidx;
1450         uintptr_t mbuf;
1451         struct nicvf_rxq *rxq;
1452         struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)dev;
1453         struct nicvf *nic = (struct nicvf *)opaque;
1454         uint16_t rx_start, rx_end;
1455
1456         /* Get queue ranges for this VF */
1457         nicvf_rx_range(eth_dev, nic, &rx_start, &rx_end);
1458
1459         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1460                 rxq = eth_dev->data->rx_queues[qidx];
1461                 /* Maintain equal buffer count across all pools */
1462                 if (rxq->precharge_cnt >= rxq->qlen_mask)
1463                         continue;
1464                 rxq->precharge_cnt++;
1465                 mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool);
1466                 if (mbuf)
1467                         return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off);
1468         }
1469         return 0;
1470 }
1471
1472 static int
1473 nicvf_vf_start(struct rte_eth_dev *dev, struct nicvf *nic, uint32_t rbdrsz)
1474 {
1475         int ret;
1476         uint16_t qidx, data_off;
1477         uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs;
1478         uint64_t mbuf_phys_off = 0;
1479         struct nicvf_rxq *rxq;
1480         struct rte_mbuf *mbuf;
1481         uint16_t rx_start, rx_end;
1482         uint16_t tx_start, tx_end;
1483         int mask;
1484
1485         PMD_INIT_FUNC_TRACE();
1486
1487         /* Userspace process exited without proper shutdown in last run */
1488         if (nicvf_qset_rbdr_active(nic, 0))
1489                 nicvf_vf_stop(dev, nic, false);
1490
1491         /* Get queue ranges for this VF */
1492         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1493
1494         /*
1495          * Thunderx nicvf PMD can support more than one pool per port only when
1496          * 1) Data payload size is same across all the pools in given port
1497          * AND
1498          * 2) All mbuffs in the pools are from the same hugepage
1499          * AND
1500          * 3) Mbuff metadata size is same across all the pools in given port
1501          *
1502          * This is to support existing application that uses multiple pool/port.
1503          * But, the purpose of using multipool for QoS will not be addressed.
1504          *
1505          */
1506
1507         /* Validate mempool attributes */
1508         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1509                 rxq = dev->data->rx_queues[qidx];
1510                 rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool);
1511                 mbuf = rte_pktmbuf_alloc(rxq->pool);
1512                 if (mbuf == NULL) {
1513                         PMD_INIT_LOG(ERR, "Failed allocate mbuf VF%d qid=%d "
1514                                      "pool=%s",
1515                                      nic->vf_id, qidx, rxq->pool->name);
1516                         return -ENOMEM;
1517                 }
1518                 data_off = nicvf_mbuff_meta_length(mbuf);
1519                 data_off += RTE_PKTMBUF_HEADROOM;
1520                 rte_pktmbuf_free(mbuf);
1521
1522                 if (data_off % RTE_CACHE_LINE_SIZE) {
1523                         PMD_INIT_LOG(ERR, "%s: unaligned data_off=%d delta=%d",
1524                                 rxq->pool->name, data_off,
1525                                 data_off % RTE_CACHE_LINE_SIZE);
1526                         return -EINVAL;
1527                 }
1528                 rxq->mbuf_phys_off -= data_off;
1529                 rxq->mbuf_phys_off -= nic->skip_bytes;
1530
1531                 if (mbuf_phys_off == 0)
1532                         mbuf_phys_off = rxq->mbuf_phys_off;
1533                 if (mbuf_phys_off != rxq->mbuf_phys_off) {
1534                         PMD_INIT_LOG(ERR, "pool params not same,%s VF%d %"
1535                                      PRIx64, rxq->pool->name, nic->vf_id,
1536                                      mbuf_phys_off);
1537                         return -EINVAL;
1538                 }
1539         }
1540
1541         /* Check the level of buffers in the pool */
1542         total_rxq_desc = 0;
1543         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1544                 rxq = dev->data->rx_queues[qidx];
1545                 /* Count total numbers of rxq descs */
1546                 total_rxq_desc += rxq->qlen_mask + 1;
1547                 exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh;
1548                 exp_buffs *= dev->data->nb_rx_queues;
1549                 if (rte_mempool_avail_count(rxq->pool) < exp_buffs) {
1550                         PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)",
1551                                      rxq->pool->name,
1552                                      rte_mempool_avail_count(rxq->pool),
1553                                      exp_buffs);
1554                         return -ENOENT;
1555                 }
1556         }
1557
1558         /* Check RBDR desc overflow */
1559         ret = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1560         if (ret == 0) {
1561                 PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc "
1562                              "VF%d", nic->vf_id);
1563                 return -ENOMEM;
1564         }
1565
1566         /* Enable qset */
1567         ret = nicvf_qset_config(nic);
1568         if (ret) {
1569                 PMD_INIT_LOG(ERR, "Failed to enable qset %d VF%d", ret,
1570                              nic->vf_id);
1571                 return ret;
1572         }
1573
1574         /* Allocate RBDR and RBDR ring desc */
1575         nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1576         ret = nicvf_qset_rbdr_alloc(dev, nic, nb_rbdr_desc, rbdrsz);
1577         if (ret) {
1578                 PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc "
1579                              "VF%d", nic->vf_id);
1580                 goto qset_reclaim;
1581         }
1582
1583         /* Enable and configure RBDR registers */
1584         ret = nicvf_qset_rbdr_config(nic, 0);
1585         if (ret) {
1586                 PMD_INIT_LOG(ERR, "Failed to configure rbdr %d VF%d", ret,
1587                              nic->vf_id);
1588                 goto qset_rbdr_free;
1589         }
1590
1591         /* Fill rte_mempool buffers in RBDR pool and precharge it */
1592         ret = nicvf_qset_rbdr_precharge(dev, nic, 0, rbdr_rte_mempool_get,
1593                                         total_rxq_desc);
1594         if (ret) {
1595                 PMD_INIT_LOG(ERR, "Failed to fill rbdr %d VF%d", ret,
1596                              nic->vf_id);
1597                 goto qset_rbdr_reclaim;
1598         }
1599
1600         PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR VF%d",
1601                      nic->rbdr->tail, nb_rbdr_desc, nic->vf_id);
1602
1603         /* Configure VLAN Strip */
1604         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK |
1605                 ETH_VLAN_EXTEND_MASK;
1606         ret = nicvf_vlan_offload_config(dev, mask);
1607
1608         /* Based on the packet type(IPv4 or IPv6), the nicvf HW aligns L3 data
1609          * to the 64bit memory address.
1610          * The alignment creates a hole in mbuf(between the end of headroom and
1611          * packet data start). The new revision of the HW provides an option to
1612          * disable the L3 alignment feature and make mbuf layout looks
1613          * more like other NICs. For better application compatibility, disabling
1614          * l3 alignment feature on the hardware revisions it supports
1615          */
1616         nicvf_apad_config(nic, false);
1617
1618         /* Get queue ranges for this VF */
1619         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1620
1621         /* Configure TX queues */
1622         for (qidx = tx_start; qidx <= tx_end; qidx++) {
1623                 ret = nicvf_vf_start_tx_queue(dev, nic,
1624                         qidx % MAX_SND_QUEUES_PER_QS);
1625                 if (ret)
1626                         goto start_txq_error;
1627         }
1628
1629         /* Configure RX queues */
1630         for (qidx = rx_start; qidx <= rx_end; qidx++) {
1631                 ret = nicvf_vf_start_rx_queue(dev, nic,
1632                         qidx % MAX_RCV_QUEUES_PER_QS);
1633                 if (ret)
1634                         goto start_rxq_error;
1635         }
1636
1637         if (!nic->sqs_mode) {
1638                 /* Configure CPI algorithm */
1639                 ret = nicvf_configure_cpi(dev);
1640                 if (ret)
1641                         goto start_txq_error;
1642
1643                 ret = nicvf_mbox_get_rss_size(nic);
1644                 if (ret) {
1645                         PMD_INIT_LOG(ERR, "Failed to get rss table size");
1646                         goto qset_rss_error;
1647                 }
1648
1649                 /* Configure RSS */
1650                 ret = nicvf_configure_rss(dev);
1651                 if (ret)
1652                         goto qset_rss_error;
1653         }
1654
1655         /* Done; Let PF make the BGX's RX and TX switches to ON position */
1656         nicvf_mbox_cfg_done(nic);
1657         return 0;
1658
1659 qset_rss_error:
1660         nicvf_rss_term(nic);
1661 start_rxq_error:
1662         for (qidx = rx_start; qidx <= rx_end; qidx++)
1663                 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1664 start_txq_error:
1665         for (qidx = tx_start; qidx <= tx_end; qidx++)
1666                 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1667 qset_rbdr_reclaim:
1668         nicvf_qset_rbdr_reclaim(nic, 0);
1669         nicvf_rbdr_release_mbufs(dev, nic);
1670 qset_rbdr_free:
1671         if (nic->rbdr) {
1672                 rte_free(nic->rbdr);
1673                 nic->rbdr = NULL;
1674         }
1675 qset_reclaim:
1676         nicvf_qset_reclaim(nic);
1677         return ret;
1678 }
1679
1680 static int
1681 nicvf_dev_start(struct rte_eth_dev *dev)
1682 {
1683         uint16_t qidx;
1684         int ret;
1685         size_t i;
1686         struct nicvf *nic = nicvf_pmd_priv(dev);
1687         struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
1688         uint16_t mtu;
1689         uint32_t buffsz = 0, rbdrsz = 0;
1690         struct rte_pktmbuf_pool_private *mbp_priv;
1691         struct nicvf_rxq *rxq;
1692
1693         PMD_INIT_FUNC_TRACE();
1694
1695         /* This function must be called for a primary device */
1696         assert_primary(nic);
1697
1698         /* Validate RBDR buff size */
1699         for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) {
1700                 rxq = dev->data->rx_queues[qidx];
1701                 mbp_priv = rte_mempool_get_priv(rxq->pool);
1702                 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1703                 if (buffsz % 128) {
1704                         PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128");
1705                         return -EINVAL;
1706                 }
1707                 if (rbdrsz == 0)
1708                         rbdrsz = buffsz;
1709                 if (rbdrsz != buffsz) {
1710                         PMD_INIT_LOG(ERR, "buffsz not same, qidx=%d (%d/%d)",
1711                                      qidx, rbdrsz, buffsz);
1712                         return -EINVAL;
1713                 }
1714         }
1715
1716         /* Configure loopback */
1717         ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode);
1718         if (ret) {
1719                 PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret);
1720                 return ret;
1721         }
1722
1723         /* Reset all statistics counters attached to this port */
1724         ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF);
1725         if (ret) {
1726                 PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret);
1727                 return ret;
1728         }
1729
1730         /* Setup scatter mode if needed by jumbo */
1731         if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
1732                                             2 * VLAN_TAG_SIZE > buffsz)
1733                 dev->data->scattered_rx = 1;
1734         if ((rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) != 0)
1735                 dev->data->scattered_rx = 1;
1736
1737         /* Setup MTU based on max_rx_pkt_len or default */
1738         mtu = dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME ?
1739                 dev->data->dev_conf.rxmode.max_rx_pkt_len
1740                         -  ETHER_HDR_LEN : ETHER_MTU;
1741
1742         if (nicvf_dev_set_mtu(dev, mtu)) {
1743                 PMD_INIT_LOG(ERR, "Failed to set default mtu size");
1744                 return -EBUSY;
1745         }
1746
1747         ret = nicvf_vf_start(dev, nic, rbdrsz);
1748         if (ret != 0)
1749                 return ret;
1750
1751         for (i = 0; i < nic->sqs_count; i++) {
1752                 assert(nic->snicvf[i]);
1753
1754                 ret = nicvf_vf_start(dev, nic->snicvf[i], rbdrsz);
1755                 if (ret != 0)
1756                         return ret;
1757         }
1758
1759         /* Configure callbacks based on offloads */
1760         nicvf_set_tx_function(dev);
1761         nicvf_set_rx_function(dev);
1762
1763         return 0;
1764 }
1765
1766 static void
1767 nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup)
1768 {
1769         size_t i;
1770         int ret;
1771         struct nicvf *nic = nicvf_pmd_priv(dev);
1772
1773         PMD_INIT_FUNC_TRACE();
1774
1775         /* Teardown secondary vf first */
1776         for (i = 0; i < nic->sqs_count; i++) {
1777                 if (!nic->snicvf[i])
1778                         continue;
1779
1780                 nicvf_vf_stop(dev, nic->snicvf[i], cleanup);
1781         }
1782
1783         /* Stop the primary VF now */
1784         nicvf_vf_stop(dev, nic, cleanup);
1785
1786         /* Disable loopback */
1787         ret = nicvf_loopback_config(nic, 0);
1788         if (ret)
1789                 PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret);
1790
1791         /* Reclaim CPI configuration */
1792         ret = nicvf_mbox_config_cpi(nic, 0);
1793         if (ret)
1794                 PMD_INIT_LOG(ERR, "Failed to reclaim CPI config %d", ret);
1795 }
1796
1797 static void
1798 nicvf_dev_stop(struct rte_eth_dev *dev)
1799 {
1800         PMD_INIT_FUNC_TRACE();
1801
1802         nicvf_dev_stop_cleanup(dev, false);
1803 }
1804
1805 static void
1806 nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic, bool cleanup)
1807 {
1808         int ret;
1809         uint16_t qidx;
1810         uint16_t tx_start, tx_end;
1811         uint16_t rx_start, rx_end;
1812
1813         PMD_INIT_FUNC_TRACE();
1814
1815         if (cleanup) {
1816                 /* Let PF make the BGX's RX and TX switches to OFF position */
1817                 nicvf_mbox_shutdown(nic);
1818         }
1819
1820         /* Disable VLAN Strip */
1821         nicvf_vlan_hw_strip(nic, 0);
1822
1823         /* Get queue ranges for this VF */
1824         nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1825
1826         for (qidx = tx_start; qidx <= tx_end; qidx++)
1827                 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1828
1829         /* Get queue ranges for this VF */
1830         nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1831
1832         /* Reclaim rq */
1833         for (qidx = rx_start; qidx <= rx_end; qidx++)
1834                 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1835
1836         /* Reclaim RBDR */
1837         ret = nicvf_qset_rbdr_reclaim(nic, 0);
1838         if (ret)
1839                 PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret);
1840
1841         /* Move all charged buffers in RBDR back to pool */
1842         if (nic->rbdr != NULL)
1843                 nicvf_rbdr_release_mbufs(dev, nic);
1844
1845         /* Disable qset */
1846         ret = nicvf_qset_reclaim(nic);
1847         if (ret)
1848                 PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret);
1849
1850         /* Disable all interrupts */
1851         nicvf_disable_all_interrupts(nic);
1852
1853         /* Free RBDR SW structure */
1854         if (nic->rbdr) {
1855                 rte_free(nic->rbdr);
1856                 nic->rbdr = NULL;
1857         }
1858 }
1859
1860 static void
1861 nicvf_dev_close(struct rte_eth_dev *dev)
1862 {
1863         size_t i;
1864         struct nicvf *nic = nicvf_pmd_priv(dev);
1865
1866         PMD_INIT_FUNC_TRACE();
1867
1868         nicvf_dev_stop_cleanup(dev, true);
1869         nicvf_periodic_alarm_stop(nicvf_interrupt, dev);
1870
1871         for (i = 0; i < nic->sqs_count; i++) {
1872                 if (!nic->snicvf[i])
1873                         continue;
1874
1875                 nicvf_periodic_alarm_stop(nicvf_vf_interrupt, nic->snicvf[i]);
1876         }
1877 }
1878
1879 static int
1880 nicvf_request_sqs(struct nicvf *nic)
1881 {
1882         size_t i;
1883
1884         assert_primary(nic);
1885         assert(nic->sqs_count > 0);
1886         assert(nic->sqs_count <= MAX_SQS_PER_VF);
1887
1888         /* Set no of Rx/Tx queues in each of the SQsets */
1889         for (i = 0; i < nic->sqs_count; i++) {
1890                 if (nicvf_svf_empty())
1891                         rte_panic("Cannot assign sufficient number of "
1892                                   "secondary queues to primary VF%" PRIu8 "\n",
1893                                   nic->vf_id);
1894
1895                 nic->snicvf[i] = nicvf_svf_pop();
1896                 nic->snicvf[i]->sqs_id = i;
1897         }
1898
1899         return nicvf_mbox_request_sqs(nic);
1900 }
1901
1902 static int
1903 nicvf_dev_configure(struct rte_eth_dev *dev)
1904 {
1905         struct rte_eth_dev_data *data = dev->data;
1906         struct rte_eth_conf *conf = &data->dev_conf;
1907         struct rte_eth_rxmode *rxmode = &conf->rxmode;
1908         struct rte_eth_txmode *txmode = &conf->txmode;
1909         struct nicvf *nic = nicvf_pmd_priv(dev);
1910         uint8_t cqcount;
1911
1912         PMD_INIT_FUNC_TRACE();
1913
1914         if (!rte_eal_has_hugepages()) {
1915                 PMD_INIT_LOG(INFO, "Huge page is not configured");
1916                 return -EINVAL;
1917         }
1918
1919         /* KEEP_CRC offload flag is not supported by PMD
1920          * can remove the below block when DEV_RX_OFFLOAD_CRC_STRIP removed
1921          */
1922         if (rte_eth_dev_must_keep_crc(rxmode->offloads)) {
1923                 PMD_INIT_LOG(NOTICE, "Can't disable hw crc strip");
1924                 rxmode->offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
1925         }
1926
1927         if (txmode->mq_mode) {
1928                 PMD_INIT_LOG(INFO, "Tx mq_mode DCB or VMDq not supported");
1929                 return -EINVAL;
1930         }
1931
1932         if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1933                 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1934                 PMD_INIT_LOG(INFO, "Unsupported rx qmode %d", rxmode->mq_mode);
1935                 return -EINVAL;
1936         }
1937
1938         if (rxmode->split_hdr_size) {
1939                 PMD_INIT_LOG(INFO, "Rxmode does not support split header");
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         if (rxmode->offloads & DEV_RX_OFFLOAD_CHECKSUM)
1979                 nic->offload_cksum = 1;
1980
1981         PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64,
1982                 dev->data->port_id, nicvf_hw_cap(nic));
1983
1984         return 0;
1985 }
1986
1987 /* Initialize and register driver with DPDK Application */
1988 static const struct eth_dev_ops nicvf_eth_dev_ops = {
1989         .dev_configure            = nicvf_dev_configure,
1990         .dev_start                = nicvf_dev_start,
1991         .dev_stop                 = nicvf_dev_stop,
1992         .link_update              = nicvf_dev_link_update,
1993         .dev_close                = nicvf_dev_close,
1994         .stats_get                = nicvf_dev_stats_get,
1995         .stats_reset              = nicvf_dev_stats_reset,
1996         .promiscuous_enable       = nicvf_dev_promisc_enable,
1997         .dev_infos_get            = nicvf_dev_info_get,
1998         .dev_supported_ptypes_get = nicvf_dev_supported_ptypes_get,
1999         .mtu_set                  = nicvf_dev_set_mtu,
2000         .vlan_offload_set         = nicvf_vlan_offload_set,
2001         .reta_update              = nicvf_dev_reta_update,
2002         .reta_query               = nicvf_dev_reta_query,
2003         .rss_hash_update          = nicvf_dev_rss_hash_update,
2004         .rss_hash_conf_get        = nicvf_dev_rss_hash_conf_get,
2005         .rx_queue_start           = nicvf_dev_rx_queue_start,
2006         .rx_queue_stop            = nicvf_dev_rx_queue_stop,
2007         .tx_queue_start           = nicvf_dev_tx_queue_start,
2008         .tx_queue_stop            = nicvf_dev_tx_queue_stop,
2009         .rx_queue_setup           = nicvf_dev_rx_queue_setup,
2010         .rx_queue_release         = nicvf_dev_rx_queue_release,
2011         .rx_queue_count           = nicvf_dev_rx_queue_count,
2012         .tx_queue_setup           = nicvf_dev_tx_queue_setup,
2013         .tx_queue_release         = nicvf_dev_tx_queue_release,
2014         .get_reg                  = nicvf_dev_get_regs,
2015 };
2016
2017 static int
2018 nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask)
2019 {
2020         struct rte_eth_rxmode *rxmode;
2021         struct nicvf *nic = nicvf_pmd_priv(dev);
2022         rxmode = &dev->data->dev_conf.rxmode;
2023         if (mask & ETH_VLAN_STRIP_MASK) {
2024                 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2025                         nicvf_vlan_hw_strip(nic, true);
2026                 else
2027                         nicvf_vlan_hw_strip(nic, false);
2028         }
2029
2030         return 0;
2031 }
2032
2033 static int
2034 nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2035 {
2036         nicvf_vlan_offload_config(dev, mask);
2037
2038         return 0;
2039 }
2040
2041 static inline int
2042 nicvf_set_first_skip(struct rte_eth_dev *dev)
2043 {
2044         int bytes_to_skip = 0;
2045         int ret = 0;
2046         unsigned int i;
2047         struct rte_kvargs *kvlist;
2048         static const char *const skip[] = {
2049                 SKIP_DATA_BYTES,
2050                 NULL};
2051         struct nicvf *nic = nicvf_pmd_priv(dev);
2052
2053         if (!dev->device->devargs) {
2054                 nicvf_first_skip_config(nic, 0);
2055                 return ret;
2056         }
2057
2058         kvlist = rte_kvargs_parse(dev->device->devargs->args, skip);
2059         if (!kvlist)
2060                 return -EINVAL;
2061
2062         if (kvlist->count == 0)
2063                 goto exit;
2064
2065         for (i = 0; i != kvlist->count; ++i) {
2066                 const struct rte_kvargs_pair *pair = &kvlist->pairs[i];
2067
2068                 if (!strcmp(pair->key, SKIP_DATA_BYTES))
2069                         bytes_to_skip = atoi(pair->value);
2070         }
2071
2072         /*128 bytes amounts to one cache line*/
2073         if (bytes_to_skip >= 0 && bytes_to_skip < 128) {
2074                 if (!(bytes_to_skip % 8)) {
2075                         nicvf_first_skip_config(nic, (bytes_to_skip / 8));
2076                         nic->skip_bytes = bytes_to_skip;
2077                         goto kvlist_free;
2078                 } else {
2079                         PMD_INIT_LOG(ERR, "skip_data_bytes should be multiple of 8");
2080                         ret = -EINVAL;
2081                         goto exit;
2082                 }
2083         } else {
2084                 PMD_INIT_LOG(ERR, "skip_data_bytes should be less than 128");
2085                 ret = -EINVAL;
2086                 goto exit;
2087         }
2088 exit:
2089         nicvf_first_skip_config(nic, 0);
2090 kvlist_free:
2091         rte_kvargs_free(kvlist);
2092         return ret;
2093 }
2094 static int
2095 nicvf_eth_dev_init(struct rte_eth_dev *eth_dev)
2096 {
2097         int ret;
2098         struct rte_pci_device *pci_dev;
2099         struct nicvf *nic = nicvf_pmd_priv(eth_dev);
2100
2101         PMD_INIT_FUNC_TRACE();
2102
2103         eth_dev->dev_ops = &nicvf_eth_dev_ops;
2104
2105         /* For secondary processes, the primary has done all the work */
2106         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2107                 if (nic) {
2108                         /* Setup callbacks for secondary process */
2109                         nicvf_set_tx_function(eth_dev);
2110                         nicvf_set_rx_function(eth_dev);
2111                         return 0;
2112                 } else {
2113                         /* If nic == NULL than it is secondary function
2114                          * so ethdev need to be released by caller */
2115                         return ENOTSUP;
2116                 }
2117         }
2118
2119         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2120         rte_eth_copy_pci_info(eth_dev, pci_dev);
2121
2122         nic->device_id = pci_dev->id.device_id;
2123         nic->vendor_id = pci_dev->id.vendor_id;
2124         nic->subsystem_device_id = pci_dev->id.subsystem_device_id;
2125         nic->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
2126
2127         PMD_INIT_LOG(DEBUG, "nicvf: device (%x:%x) %u:%u:%u:%u",
2128                         pci_dev->id.vendor_id, pci_dev->id.device_id,
2129                         pci_dev->addr.domain, pci_dev->addr.bus,
2130                         pci_dev->addr.devid, pci_dev->addr.function);
2131
2132         nic->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr;
2133         if (!nic->reg_base) {
2134                 PMD_INIT_LOG(ERR, "Failed to map BAR0");
2135                 ret = -ENODEV;
2136                 goto fail;
2137         }
2138
2139         nicvf_disable_all_interrupts(nic);
2140
2141         ret = nicvf_periodic_alarm_start(nicvf_interrupt, eth_dev);
2142         if (ret) {
2143                 PMD_INIT_LOG(ERR, "Failed to start period alarm");
2144                 goto fail;
2145         }
2146
2147         ret = nicvf_mbox_check_pf_ready(nic);
2148         if (ret) {
2149                 PMD_INIT_LOG(ERR, "Failed to get ready message from PF");
2150                 goto alarm_fail;
2151         } else {
2152                 PMD_INIT_LOG(INFO,
2153                         "node=%d vf=%d mode=%s sqs=%s loopback_supported=%s",
2154                         nic->node, nic->vf_id,
2155                         nic->tns_mode == NIC_TNS_MODE ? "tns" : "tns-bypass",
2156                         nic->sqs_mode ? "true" : "false",
2157                         nic->loopback_supported ? "true" : "false"
2158                         );
2159         }
2160
2161         ret = nicvf_base_init(nic);
2162         if (ret) {
2163                 PMD_INIT_LOG(ERR, "Failed to execute nicvf_base_init");
2164                 goto malloc_fail;
2165         }
2166
2167         if (nic->sqs_mode) {
2168                 /* Push nic to stack of secondary vfs */
2169                 nicvf_svf_push(nic);
2170
2171                 /* Steal nic pointer from the device for further reuse */
2172                 eth_dev->data->dev_private = NULL;
2173
2174                 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2175                 ret = nicvf_periodic_alarm_start(nicvf_vf_interrupt, nic);
2176                 if (ret) {
2177                         PMD_INIT_LOG(ERR, "Failed to start period alarm");
2178                         goto fail;
2179                 }
2180
2181                 /* Detach port by returning positive error number */
2182                 return ENOTSUP;
2183         }
2184
2185         eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", ETHER_ADDR_LEN, 0);
2186         if (eth_dev->data->mac_addrs == NULL) {
2187                 PMD_INIT_LOG(ERR, "Failed to allocate memory for mac addr");
2188                 ret = -ENOMEM;
2189                 goto alarm_fail;
2190         }
2191         if (is_zero_ether_addr((struct ether_addr *)nic->mac_addr))
2192                 eth_random_addr(&nic->mac_addr[0]);
2193
2194         ether_addr_copy((struct ether_addr *)nic->mac_addr,
2195                         &eth_dev->data->mac_addrs[0]);
2196
2197         ret = nicvf_mbox_set_mac_addr(nic, nic->mac_addr);
2198         if (ret) {
2199                 PMD_INIT_LOG(ERR, "Failed to set mac addr");
2200                 goto malloc_fail;
2201         }
2202
2203         ret = nicvf_set_first_skip(eth_dev);
2204         if (ret) {
2205                 PMD_INIT_LOG(ERR, "Failed to configure first skip");
2206                 goto malloc_fail;
2207         }
2208         PMD_INIT_LOG(INFO, "Port %d (%x:%x) mac=%02x:%02x:%02x:%02x:%02x:%02x",
2209                 eth_dev->data->port_id, nic->vendor_id, nic->device_id,
2210                 nic->mac_addr[0], nic->mac_addr[1], nic->mac_addr[2],
2211                 nic->mac_addr[3], nic->mac_addr[4], nic->mac_addr[5]);
2212
2213         return 0;
2214
2215 malloc_fail:
2216         rte_free(eth_dev->data->mac_addrs);
2217 alarm_fail:
2218         nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2219 fail:
2220         return ret;
2221 }
2222
2223 static const struct rte_pci_id pci_id_nicvf_map[] = {
2224         {
2225                 .class_id = RTE_CLASS_ANY_ID,
2226                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2227                 .device_id = PCI_DEVICE_ID_THUNDERX_CN88XX_PASS1_NICVF,
2228                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2229                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS1_NICVF,
2230         },
2231         {
2232                 .class_id = RTE_CLASS_ANY_ID,
2233                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2234                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2235                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2236                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS2_NICVF,
2237         },
2238         {
2239                 .class_id = RTE_CLASS_ANY_ID,
2240                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2241                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2242                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2243                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN81XX_NICVF,
2244         },
2245         {
2246                 .class_id = RTE_CLASS_ANY_ID,
2247                 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2248                 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2249                 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2250                 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN83XX_NICVF,
2251         },
2252         {
2253                 .vendor_id = 0,
2254         },
2255 };
2256
2257 static int nicvf_eth_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2258         struct rte_pci_device *pci_dev)
2259 {
2260         return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct nicvf),
2261                 nicvf_eth_dev_init);
2262 }
2263
2264 static int nicvf_eth_pci_remove(struct rte_pci_device *pci_dev)
2265 {
2266         return rte_eth_dev_pci_generic_remove(pci_dev, NULL);
2267 }
2268
2269 static struct rte_pci_driver rte_nicvf_pmd = {
2270         .id_table = pci_id_nicvf_map,
2271         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_KEEP_MAPPED_RES |
2272                         RTE_PCI_DRV_INTR_LSC,
2273         .probe = nicvf_eth_pci_probe,
2274         .remove = nicvf_eth_pci_remove,
2275 };
2276
2277 RTE_PMD_REGISTER_PCI(net_thunderx, rte_nicvf_pmd);
2278 RTE_PMD_REGISTER_PCI_TABLE(net_thunderx, pci_id_nicvf_map);
2279 RTE_PMD_REGISTER_KMOD_DEP(net_thunderx, "* igb_uio | uio_pci_generic | vfio-pci");
2280 RTE_PMD_REGISTER_PARAM_STRING(net_thunderx, SKIP_DATA_BYTES "=<int>");