1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright (c) 2016-2018 Solarflare Communications Inc. 4 * All rights reserved. 5 * 6 * This software was jointly developed between OKTET Labs (under contract 7 * for Solarflare) and Solarflare Communications, Inc. 8 */ 9 10 #include <rte_dev.h> 11 #include <rte_ethdev_driver.h> 12 #include <rte_ethdev_pci.h> 13 #include <rte_pci.h> 14 #include <rte_bus_pci.h> 15 #include <rte_errno.h> 16 #include <rte_string_fns.h> 17 18 #include "efx.h" 19 20 #include "sfc.h" 21 #include "sfc_debug.h" 22 #include "sfc_log.h" 23 #include "sfc_kvargs.h" 24 #include "sfc_ev.h" 25 #include "sfc_rx.h" 26 #include "sfc_tx.h" 27 #include "sfc_flow.h" 28 #include "sfc_dp.h" 29 #include "sfc_dp_rx.h" 30 31 uint32_t sfc_logtype_driver; 32 33 static struct sfc_dp_list sfc_dp_head = 34 TAILQ_HEAD_INITIALIZER(sfc_dp_head); 35 36 static int 37 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) 38 { 39 struct sfc_adapter *sa = dev->data->dev_private; 40 efx_nic_fw_info_t enfi; 41 int ret; 42 int rc; 43 44 /* 45 * Return value of the callback is likely supposed to be 46 * equal to or greater than 0, nevertheless, if an error 47 * occurs, it will be desirable to pass it to the caller 48 */ 49 if ((fw_version == NULL) || (fw_size == 0)) 50 return -EINVAL; 51 52 rc = efx_nic_get_fw_version(sa->nic, &enfi); 53 if (rc != 0) 54 return -rc; 55 56 ret = snprintf(fw_version, fw_size, 57 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16, 58 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1], 59 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]); 60 if (ret < 0) 61 return ret; 62 63 if (enfi.enfi_dpcpu_fw_ids_valid) { 64 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret); 65 int ret_extra; 66 67 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset, 68 fw_size - dpcpu_fw_ids_offset, 69 " rx%" PRIx16 " tx%" PRIx16, 70 enfi.enfi_rx_dpcpu_fw_id, 71 enfi.enfi_tx_dpcpu_fw_id); 72 if (ret_extra < 0) 73 return ret_extra; 74 75 ret += ret_extra; 76 } 77 78 if (fw_size < (size_t)(++ret)) 79 return ret; 80 else 81 return 0; 82 } 83 84 static void 85 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 86 { 87 struct sfc_adapter *sa = dev->data->dev_private; 88 struct sfc_rss *rss = &sa->rss; 89 uint64_t txq_offloads_def = 0; 90 91 sfc_log_init(sa, "entry"); 92 93 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; 94 95 /* Autonegotiation may be disabled */ 96 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 97 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX) 98 dev_info->speed_capa |= ETH_LINK_SPEED_1G; 99 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX) 100 dev_info->speed_capa |= ETH_LINK_SPEED_10G; 101 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_25000FDX) 102 dev_info->speed_capa |= ETH_LINK_SPEED_25G; 103 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX) 104 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 105 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_50000FDX) 106 dev_info->speed_capa |= ETH_LINK_SPEED_50G; 107 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_100000FDX) 108 dev_info->speed_capa |= ETH_LINK_SPEED_100G; 109 110 dev_info->max_rx_queues = sa->rxq_max; 111 dev_info->max_tx_queues = sa->txq_max; 112 113 /* By default packets are dropped if no descriptors are available */ 114 dev_info->default_rxconf.rx_drop_en = 1; 115 116 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa); 117 118 /* 119 * rx_offload_capa includes both device and queue offloads since 120 * the latter may be requested on a per device basis which makes 121 * sense when some offloads are needed to be set on all queues. 122 */ 123 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) | 124 dev_info->rx_queue_offload_capa; 125 126 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa); 127 128 /* 129 * tx_offload_capa includes both device and queue offloads since 130 * the latter may be requested on a per device basis which makes 131 * sense when some offloads are needed to be set on all queues. 132 */ 133 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) | 134 dev_info->tx_queue_offload_capa; 135 136 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 137 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; 138 139 dev_info->default_txconf.offloads |= txq_offloads_def; 140 141 if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) { 142 uint64_t rte_hf = 0; 143 unsigned int i; 144 145 for (i = 0; i < rss->hf_map_nb_entries; ++i) 146 rte_hf |= rss->hf_map[i].rte; 147 148 dev_info->reta_size = EFX_RSS_TBL_SIZE; 149 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 150 dev_info->flow_type_rss_offloads = rte_hf; 151 } 152 153 /* Initialize to hardware limits */ 154 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 155 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 156 /* The RXQ hardware requires that the descriptor count is a power 157 * of 2, but rx_desc_lim cannot properly describe that constraint. 158 */ 159 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 160 161 /* Initialize to hardware limits */ 162 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 163 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 164 /* 165 * The TXQ hardware requires that the descriptor count is a power 166 * of 2, but tx_desc_lim cannot properly describe that constraint 167 */ 168 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 169 170 if (sa->dp_rx->get_dev_info != NULL) 171 sa->dp_rx->get_dev_info(dev_info); 172 if (sa->dp_tx->get_dev_info != NULL) 173 sa->dp_tx->get_dev_info(dev_info); 174 175 dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP | 176 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP; 177 } 178 179 static const uint32_t * 180 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 181 { 182 struct sfc_adapter *sa = dev->data->dev_private; 183 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 184 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 185 186 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 187 } 188 189 static int 190 sfc_dev_configure(struct rte_eth_dev *dev) 191 { 192 struct rte_eth_dev_data *dev_data = dev->data; 193 struct sfc_adapter *sa = dev_data->dev_private; 194 int rc; 195 196 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 197 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 198 199 sfc_adapter_lock(sa); 200 switch (sa->state) { 201 case SFC_ADAPTER_CONFIGURED: 202 /* FALLTHROUGH */ 203 case SFC_ADAPTER_INITIALIZED: 204 rc = sfc_configure(sa); 205 break; 206 default: 207 sfc_err(sa, "unexpected adapter state %u to configure", 208 sa->state); 209 rc = EINVAL; 210 break; 211 } 212 sfc_adapter_unlock(sa); 213 214 sfc_log_init(sa, "done %d", rc); 215 SFC_ASSERT(rc >= 0); 216 return -rc; 217 } 218 219 static int 220 sfc_dev_start(struct rte_eth_dev *dev) 221 { 222 struct sfc_adapter *sa = dev->data->dev_private; 223 int rc; 224 225 sfc_log_init(sa, "entry"); 226 227 sfc_adapter_lock(sa); 228 rc = sfc_start(sa); 229 sfc_adapter_unlock(sa); 230 231 sfc_log_init(sa, "done %d", rc); 232 SFC_ASSERT(rc >= 0); 233 return -rc; 234 } 235 236 static int 237 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 238 { 239 struct sfc_adapter *sa = dev->data->dev_private; 240 struct rte_eth_link current_link; 241 int ret; 242 243 sfc_log_init(sa, "entry"); 244 245 if (sa->state != SFC_ADAPTER_STARTED) { 246 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 247 } else if (wait_to_complete) { 248 efx_link_mode_t link_mode; 249 250 if (efx_port_poll(sa->nic, &link_mode) != 0) 251 link_mode = EFX_LINK_UNKNOWN; 252 sfc_port_link_mode_to_info(link_mode, ¤t_link); 253 254 } else { 255 sfc_ev_mgmt_qpoll(sa); 256 rte_eth_linkstatus_get(dev, ¤t_link); 257 } 258 259 ret = rte_eth_linkstatus_set(dev, ¤t_link); 260 if (ret == 0) 261 sfc_notice(sa, "Link status is %s", 262 current_link.link_status ? "UP" : "DOWN"); 263 264 return ret; 265 } 266 267 static void 268 sfc_dev_stop(struct rte_eth_dev *dev) 269 { 270 struct sfc_adapter *sa = dev->data->dev_private; 271 272 sfc_log_init(sa, "entry"); 273 274 sfc_adapter_lock(sa); 275 sfc_stop(sa); 276 sfc_adapter_unlock(sa); 277 278 sfc_log_init(sa, "done"); 279 } 280 281 static int 282 sfc_dev_set_link_up(struct rte_eth_dev *dev) 283 { 284 struct sfc_adapter *sa = dev->data->dev_private; 285 int rc; 286 287 sfc_log_init(sa, "entry"); 288 289 sfc_adapter_lock(sa); 290 rc = sfc_start(sa); 291 sfc_adapter_unlock(sa); 292 293 SFC_ASSERT(rc >= 0); 294 return -rc; 295 } 296 297 static int 298 sfc_dev_set_link_down(struct rte_eth_dev *dev) 299 { 300 struct sfc_adapter *sa = dev->data->dev_private; 301 302 sfc_log_init(sa, "entry"); 303 304 sfc_adapter_lock(sa); 305 sfc_stop(sa); 306 sfc_adapter_unlock(sa); 307 308 return 0; 309 } 310 311 static void 312 sfc_dev_close(struct rte_eth_dev *dev) 313 { 314 struct sfc_adapter *sa = dev->data->dev_private; 315 316 sfc_log_init(sa, "entry"); 317 318 sfc_adapter_lock(sa); 319 switch (sa->state) { 320 case SFC_ADAPTER_STARTED: 321 sfc_stop(sa); 322 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 323 /* FALLTHROUGH */ 324 case SFC_ADAPTER_CONFIGURED: 325 sfc_close(sa); 326 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 327 /* FALLTHROUGH */ 328 case SFC_ADAPTER_INITIALIZED: 329 break; 330 default: 331 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 332 break; 333 } 334 sfc_adapter_unlock(sa); 335 336 sfc_log_init(sa, "done"); 337 } 338 339 static void 340 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 341 boolean_t enabled) 342 { 343 struct sfc_port *port; 344 boolean_t *toggle; 345 struct sfc_adapter *sa = dev->data->dev_private; 346 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 347 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 348 349 sfc_adapter_lock(sa); 350 351 port = &sa->port; 352 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 353 354 if (*toggle != enabled) { 355 *toggle = enabled; 356 357 if (port->isolated) { 358 sfc_warn(sa, "isolated mode is active on the port"); 359 sfc_warn(sa, "the change is to be applied on the next " 360 "start provided that isolated mode is " 361 "disabled prior the next start"); 362 } else if ((sa->state == SFC_ADAPTER_STARTED) && 363 (sfc_set_rx_mode(sa) != 0)) { 364 *toggle = !(enabled); 365 sfc_warn(sa, "Failed to %s %s mode", 366 ((enabled) ? "enable" : "disable"), desc); 367 } 368 } 369 370 sfc_adapter_unlock(sa); 371 } 372 373 static void 374 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 375 { 376 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 377 } 378 379 static void 380 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 381 { 382 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 383 } 384 385 static void 386 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 387 { 388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 389 } 390 391 static void 392 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 393 { 394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 395 } 396 397 static int 398 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 399 uint16_t nb_rx_desc, unsigned int socket_id, 400 const struct rte_eth_rxconf *rx_conf, 401 struct rte_mempool *mb_pool) 402 { 403 struct sfc_adapter *sa = dev->data->dev_private; 404 int rc; 405 406 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 407 rx_queue_id, nb_rx_desc, socket_id); 408 409 sfc_adapter_lock(sa); 410 411 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 412 rx_conf, mb_pool); 413 if (rc != 0) 414 goto fail_rx_qinit; 415 416 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 417 418 sfc_adapter_unlock(sa); 419 420 return 0; 421 422 fail_rx_qinit: 423 sfc_adapter_unlock(sa); 424 SFC_ASSERT(rc > 0); 425 return -rc; 426 } 427 428 static void 429 sfc_rx_queue_release(void *queue) 430 { 431 struct sfc_dp_rxq *dp_rxq = queue; 432 struct sfc_rxq *rxq; 433 struct sfc_adapter *sa; 434 unsigned int sw_index; 435 436 if (dp_rxq == NULL) 437 return; 438 439 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 440 sa = rxq->evq->sa; 441 sfc_adapter_lock(sa); 442 443 sw_index = sfc_rxq_sw_index(rxq); 444 445 sfc_log_init(sa, "RxQ=%u", sw_index); 446 447 sfc_rx_qfini(sa, sw_index); 448 449 sfc_adapter_unlock(sa); 450 } 451 452 static int 453 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 454 uint16_t nb_tx_desc, unsigned int socket_id, 455 const struct rte_eth_txconf *tx_conf) 456 { 457 struct sfc_adapter *sa = dev->data->dev_private; 458 int rc; 459 460 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 461 tx_queue_id, nb_tx_desc, socket_id); 462 463 sfc_adapter_lock(sa); 464 465 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 466 if (rc != 0) 467 goto fail_tx_qinit; 468 469 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 470 471 sfc_adapter_unlock(sa); 472 return 0; 473 474 fail_tx_qinit: 475 sfc_adapter_unlock(sa); 476 SFC_ASSERT(rc > 0); 477 return -rc; 478 } 479 480 static void 481 sfc_tx_queue_release(void *queue) 482 { 483 struct sfc_dp_txq *dp_txq = queue; 484 struct sfc_txq *txq; 485 unsigned int sw_index; 486 struct sfc_adapter *sa; 487 488 if (dp_txq == NULL) 489 return; 490 491 txq = sfc_txq_by_dp_txq(dp_txq); 492 sw_index = sfc_txq_sw_index(txq); 493 494 SFC_ASSERT(txq->evq != NULL); 495 sa = txq->evq->sa; 496 497 sfc_log_init(sa, "TxQ = %u", sw_index); 498 499 sfc_adapter_lock(sa); 500 501 sfc_tx_qfini(sa, sw_index); 502 503 sfc_adapter_unlock(sa); 504 } 505 506 static int 507 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 508 { 509 struct sfc_adapter *sa = dev->data->dev_private; 510 struct sfc_port *port = &sa->port; 511 uint64_t *mac_stats; 512 int ret; 513 514 rte_spinlock_lock(&port->mac_stats_lock); 515 516 ret = sfc_port_update_mac_stats(sa); 517 if (ret != 0) 518 goto unlock; 519 520 mac_stats = port->mac_stats_buf; 521 522 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 523 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 524 stats->ipackets = 525 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 526 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 527 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 528 stats->opackets = 529 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 530 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 531 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 532 stats->ibytes = 533 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 534 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 535 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 536 stats->obytes = 537 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 538 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 539 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 540 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 541 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 542 } else { 543 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 544 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 545 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 546 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 547 /* 548 * Take into account stats which are whenever supported 549 * on EF10. If some stat is not supported by current 550 * firmware variant or HW revision, it is guaranteed 551 * to be zero in mac_stats. 552 */ 553 stats->imissed = 554 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 555 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 556 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 557 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 558 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 559 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 560 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 561 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 562 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 563 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 564 stats->ierrors = 565 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 566 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 567 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 568 /* no oerrors counters supported on EF10 */ 569 } 570 571 unlock: 572 rte_spinlock_unlock(&port->mac_stats_lock); 573 SFC_ASSERT(ret >= 0); 574 return -ret; 575 } 576 577 static void 578 sfc_stats_reset(struct rte_eth_dev *dev) 579 { 580 struct sfc_adapter *sa = dev->data->dev_private; 581 struct sfc_port *port = &sa->port; 582 int rc; 583 584 if (sa->state != SFC_ADAPTER_STARTED) { 585 /* 586 * The operation cannot be done if port is not started; it 587 * will be scheduled to be done during the next port start 588 */ 589 port->mac_stats_reset_pending = B_TRUE; 590 return; 591 } 592 593 rc = sfc_port_reset_mac_stats(sa); 594 if (rc != 0) 595 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 596 } 597 598 static int 599 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 600 unsigned int xstats_count) 601 { 602 struct sfc_adapter *sa = dev->data->dev_private; 603 struct sfc_port *port = &sa->port; 604 uint64_t *mac_stats; 605 int rc; 606 unsigned int i; 607 int nstats = 0; 608 609 rte_spinlock_lock(&port->mac_stats_lock); 610 611 rc = sfc_port_update_mac_stats(sa); 612 if (rc != 0) { 613 SFC_ASSERT(rc > 0); 614 nstats = -rc; 615 goto unlock; 616 } 617 618 mac_stats = port->mac_stats_buf; 619 620 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 621 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 622 if (xstats != NULL && nstats < (int)xstats_count) { 623 xstats[nstats].id = nstats; 624 xstats[nstats].value = mac_stats[i]; 625 } 626 nstats++; 627 } 628 } 629 630 unlock: 631 rte_spinlock_unlock(&port->mac_stats_lock); 632 633 return nstats; 634 } 635 636 static int 637 sfc_xstats_get_names(struct rte_eth_dev *dev, 638 struct rte_eth_xstat_name *xstats_names, 639 unsigned int xstats_count) 640 { 641 struct sfc_adapter *sa = dev->data->dev_private; 642 struct sfc_port *port = &sa->port; 643 unsigned int i; 644 unsigned int nstats = 0; 645 646 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 647 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 648 if (xstats_names != NULL && nstats < xstats_count) 649 strlcpy(xstats_names[nstats].name, 650 efx_mac_stat_name(sa->nic, i), 651 sizeof(xstats_names[0].name)); 652 nstats++; 653 } 654 } 655 656 return nstats; 657 } 658 659 static int 660 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 661 uint64_t *values, unsigned int n) 662 { 663 struct sfc_adapter *sa = dev->data->dev_private; 664 struct sfc_port *port = &sa->port; 665 uint64_t *mac_stats; 666 unsigned int nb_supported = 0; 667 unsigned int nb_written = 0; 668 unsigned int i; 669 int ret; 670 int rc; 671 672 if (unlikely(values == NULL) || 673 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 674 return port->mac_stats_nb_supported; 675 676 rte_spinlock_lock(&port->mac_stats_lock); 677 678 rc = sfc_port_update_mac_stats(sa); 679 if (rc != 0) { 680 SFC_ASSERT(rc > 0); 681 ret = -rc; 682 goto unlock; 683 } 684 685 mac_stats = port->mac_stats_buf; 686 687 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 688 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 689 continue; 690 691 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 692 values[nb_written++] = mac_stats[i]; 693 694 ++nb_supported; 695 } 696 697 ret = nb_written; 698 699 unlock: 700 rte_spinlock_unlock(&port->mac_stats_lock); 701 702 return ret; 703 } 704 705 static int 706 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 707 struct rte_eth_xstat_name *xstats_names, 708 const uint64_t *ids, unsigned int size) 709 { 710 struct sfc_adapter *sa = dev->data->dev_private; 711 struct sfc_port *port = &sa->port; 712 unsigned int nb_supported = 0; 713 unsigned int nb_written = 0; 714 unsigned int i; 715 716 if (unlikely(xstats_names == NULL) || 717 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 718 return port->mac_stats_nb_supported; 719 720 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 721 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 722 continue; 723 724 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 725 char *name = xstats_names[nb_written++].name; 726 727 strlcpy(name, efx_mac_stat_name(sa->nic, i), 728 sizeof(xstats_names[0].name)); 729 } 730 731 ++nb_supported; 732 } 733 734 return nb_written; 735 } 736 737 static int 738 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 739 { 740 struct sfc_adapter *sa = dev->data->dev_private; 741 unsigned int wanted_fc, link_fc; 742 743 memset(fc_conf, 0, sizeof(*fc_conf)); 744 745 sfc_adapter_lock(sa); 746 747 if (sa->state == SFC_ADAPTER_STARTED) 748 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 749 else 750 link_fc = sa->port.flow_ctrl; 751 752 switch (link_fc) { 753 case 0: 754 fc_conf->mode = RTE_FC_NONE; 755 break; 756 case EFX_FCNTL_RESPOND: 757 fc_conf->mode = RTE_FC_RX_PAUSE; 758 break; 759 case EFX_FCNTL_GENERATE: 760 fc_conf->mode = RTE_FC_TX_PAUSE; 761 break; 762 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 763 fc_conf->mode = RTE_FC_FULL; 764 break; 765 default: 766 sfc_err(sa, "%s: unexpected flow control value %#x", 767 __func__, link_fc); 768 } 769 770 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 771 772 sfc_adapter_unlock(sa); 773 774 return 0; 775 } 776 777 static int 778 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 779 { 780 struct sfc_adapter *sa = dev->data->dev_private; 781 struct sfc_port *port = &sa->port; 782 unsigned int fcntl; 783 int rc; 784 785 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 786 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 787 fc_conf->mac_ctrl_frame_fwd != 0) { 788 sfc_err(sa, "unsupported flow control settings specified"); 789 rc = EINVAL; 790 goto fail_inval; 791 } 792 793 switch (fc_conf->mode) { 794 case RTE_FC_NONE: 795 fcntl = 0; 796 break; 797 case RTE_FC_RX_PAUSE: 798 fcntl = EFX_FCNTL_RESPOND; 799 break; 800 case RTE_FC_TX_PAUSE: 801 fcntl = EFX_FCNTL_GENERATE; 802 break; 803 case RTE_FC_FULL: 804 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 805 break; 806 default: 807 rc = EINVAL; 808 goto fail_inval; 809 } 810 811 sfc_adapter_lock(sa); 812 813 if (sa->state == SFC_ADAPTER_STARTED) { 814 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 815 if (rc != 0) 816 goto fail_mac_fcntl_set; 817 } 818 819 port->flow_ctrl = fcntl; 820 port->flow_ctrl_autoneg = fc_conf->autoneg; 821 822 sfc_adapter_unlock(sa); 823 824 return 0; 825 826 fail_mac_fcntl_set: 827 sfc_adapter_unlock(sa); 828 fail_inval: 829 SFC_ASSERT(rc > 0); 830 return -rc; 831 } 832 833 static int 834 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 835 { 836 struct sfc_adapter *sa = dev->data->dev_private; 837 size_t pdu = EFX_MAC_PDU(mtu); 838 size_t old_pdu; 839 int rc; 840 841 sfc_log_init(sa, "mtu=%u", mtu); 842 843 rc = EINVAL; 844 if (pdu < EFX_MAC_PDU_MIN) { 845 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 846 (unsigned int)mtu, (unsigned int)pdu, 847 EFX_MAC_PDU_MIN); 848 goto fail_inval; 849 } 850 if (pdu > EFX_MAC_PDU_MAX) { 851 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 852 (unsigned int)mtu, (unsigned int)pdu, 853 EFX_MAC_PDU_MAX); 854 goto fail_inval; 855 } 856 857 sfc_adapter_lock(sa); 858 859 if (pdu != sa->port.pdu) { 860 if (sa->state == SFC_ADAPTER_STARTED) { 861 sfc_stop(sa); 862 863 old_pdu = sa->port.pdu; 864 sa->port.pdu = pdu; 865 rc = sfc_start(sa); 866 if (rc != 0) 867 goto fail_start; 868 } else { 869 sa->port.pdu = pdu; 870 } 871 } 872 873 /* 874 * The driver does not use it, but other PMDs update jumbo frame 875 * flag and max_rx_pkt_len when MTU is set. 876 */ 877 if (mtu > ETHER_MAX_LEN) { 878 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 879 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 880 } 881 882 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 883 884 sfc_adapter_unlock(sa); 885 886 sfc_log_init(sa, "done"); 887 return 0; 888 889 fail_start: 890 sa->port.pdu = old_pdu; 891 if (sfc_start(sa) != 0) 892 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 893 "PDU max size - port is stopped", 894 (unsigned int)pdu, (unsigned int)old_pdu); 895 sfc_adapter_unlock(sa); 896 897 fail_inval: 898 sfc_log_init(sa, "failed %d", rc); 899 SFC_ASSERT(rc > 0); 900 return -rc; 901 } 902 static int 903 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 904 { 905 struct sfc_adapter *sa = dev->data->dev_private; 906 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 907 struct sfc_port *port = &sa->port; 908 struct ether_addr *old_addr = &dev->data->mac_addrs[0]; 909 int rc = 0; 910 911 sfc_adapter_lock(sa); 912 913 /* 914 * Copy the address to the device private data so that 915 * it could be recalled in the case of adapter restart. 916 */ 917 ether_addr_copy(mac_addr, &port->default_mac_addr); 918 919 /* 920 * Neither of the two following checks can return 921 * an error. The new MAC address is preserved in 922 * the device private data and can be activated 923 * on the next port start if the user prevents 924 * isolated mode from being enabled. 925 */ 926 if (port->isolated) { 927 sfc_warn(sa, "isolated mode is active on the port"); 928 sfc_warn(sa, "will not set MAC address"); 929 goto unlock; 930 } 931 932 if (sa->state != SFC_ADAPTER_STARTED) { 933 sfc_notice(sa, "the port is not started"); 934 sfc_notice(sa, "the new MAC address will be set on port start"); 935 936 goto unlock; 937 } 938 939 if (encp->enc_allow_set_mac_with_installed_filters) { 940 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 941 if (rc != 0) { 942 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 943 goto unlock; 944 } 945 946 /* 947 * Changing the MAC address by means of MCDI request 948 * has no effect on received traffic, therefore 949 * we also need to update unicast filters 950 */ 951 rc = sfc_set_rx_mode(sa); 952 if (rc != 0) { 953 sfc_err(sa, "cannot set filter (rc = %u)", rc); 954 /* Rollback the old address */ 955 (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes); 956 (void)sfc_set_rx_mode(sa); 957 } 958 } else { 959 sfc_warn(sa, "cannot set MAC address with filters installed"); 960 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 961 sfc_warn(sa, "(some traffic may be dropped)"); 962 963 /* 964 * Since setting MAC address with filters installed is not 965 * allowed on the adapter, the new MAC address will be set 966 * by means of adapter restart. sfc_start() shall retrieve 967 * the new address from the device private data and set it. 968 */ 969 sfc_stop(sa); 970 rc = sfc_start(sa); 971 if (rc != 0) 972 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 973 } 974 975 unlock: 976 if (rc != 0) 977 ether_addr_copy(old_addr, &port->default_mac_addr); 978 979 sfc_adapter_unlock(sa); 980 981 SFC_ASSERT(rc >= 0); 982 return -rc; 983 } 984 985 986 static int 987 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 988 uint32_t nb_mc_addr) 989 { 990 struct sfc_adapter *sa = dev->data->dev_private; 991 struct sfc_port *port = &sa->port; 992 uint8_t *mc_addrs = port->mcast_addrs; 993 int rc; 994 unsigned int i; 995 996 if (port->isolated) { 997 sfc_err(sa, "isolated mode is active on the port"); 998 sfc_err(sa, "will not set multicast address list"); 999 return -ENOTSUP; 1000 } 1001 1002 if (mc_addrs == NULL) 1003 return -ENOBUFS; 1004 1005 if (nb_mc_addr > port->max_mcast_addrs) { 1006 sfc_err(sa, "too many multicast addresses: %u > %u", 1007 nb_mc_addr, port->max_mcast_addrs); 1008 return -EINVAL; 1009 } 1010 1011 for (i = 0; i < nb_mc_addr; ++i) { 1012 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1013 EFX_MAC_ADDR_LEN); 1014 mc_addrs += EFX_MAC_ADDR_LEN; 1015 } 1016 1017 port->nb_mcast_addrs = nb_mc_addr; 1018 1019 if (sa->state != SFC_ADAPTER_STARTED) 1020 return 0; 1021 1022 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1023 port->nb_mcast_addrs); 1024 if (rc != 0) 1025 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1026 1027 SFC_ASSERT(rc >= 0); 1028 return -rc; 1029 } 1030 1031 /* 1032 * The function is used by the secondary process as well. It must not 1033 * use any process-local pointers from the adapter data. 1034 */ 1035 static void 1036 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1037 struct rte_eth_rxq_info *qinfo) 1038 { 1039 struct sfc_adapter *sa = dev->data->dev_private; 1040 struct sfc_rxq_info *rxq_info; 1041 struct sfc_rxq *rxq; 1042 1043 sfc_adapter_lock(sa); 1044 1045 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1046 1047 rxq_info = &sa->rxq_info[rx_queue_id]; 1048 rxq = rxq_info->rxq; 1049 SFC_ASSERT(rxq != NULL); 1050 1051 qinfo->mp = rxq->refill_mb_pool; 1052 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1053 qinfo->conf.rx_drop_en = 1; 1054 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1055 qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads; 1056 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { 1057 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; 1058 qinfo->scattered_rx = 1; 1059 } 1060 qinfo->nb_desc = rxq_info->entries; 1061 1062 sfc_adapter_unlock(sa); 1063 } 1064 1065 /* 1066 * The function is used by the secondary process as well. It must not 1067 * use any process-local pointers from the adapter data. 1068 */ 1069 static void 1070 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1071 struct rte_eth_txq_info *qinfo) 1072 { 1073 struct sfc_adapter *sa = dev->data->dev_private; 1074 struct sfc_txq_info *txq_info; 1075 1076 sfc_adapter_lock(sa); 1077 1078 SFC_ASSERT(tx_queue_id < sa->txq_count); 1079 1080 txq_info = &sa->txq_info[tx_queue_id]; 1081 SFC_ASSERT(txq_info->txq != NULL); 1082 1083 memset(qinfo, 0, sizeof(*qinfo)); 1084 1085 qinfo->conf.offloads = txq_info->txq->offloads; 1086 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1087 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1088 qinfo->nb_desc = txq_info->entries; 1089 1090 sfc_adapter_unlock(sa); 1091 } 1092 1093 static uint32_t 1094 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1095 { 1096 struct sfc_adapter *sa = dev->data->dev_private; 1097 1098 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1099 1100 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1101 } 1102 1103 static int 1104 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1105 { 1106 struct sfc_dp_rxq *dp_rxq = queue; 1107 1108 return sfc_rx_qdesc_done(dp_rxq, offset); 1109 } 1110 1111 static int 1112 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1113 { 1114 struct sfc_dp_rxq *dp_rxq = queue; 1115 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1116 1117 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1118 } 1119 1120 static int 1121 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1122 { 1123 struct sfc_dp_txq *dp_txq = queue; 1124 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1125 1126 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1127 } 1128 1129 static int 1130 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1131 { 1132 struct sfc_adapter *sa = dev->data->dev_private; 1133 int rc; 1134 1135 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1136 1137 sfc_adapter_lock(sa); 1138 1139 rc = EINVAL; 1140 if (sa->state != SFC_ADAPTER_STARTED) 1141 goto fail_not_started; 1142 1143 if (sa->rxq_info[rx_queue_id].rxq == NULL) 1144 goto fail_not_setup; 1145 1146 rc = sfc_rx_qstart(sa, rx_queue_id); 1147 if (rc != 0) 1148 goto fail_rx_qstart; 1149 1150 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1151 1152 sfc_adapter_unlock(sa); 1153 1154 return 0; 1155 1156 fail_rx_qstart: 1157 fail_not_setup: 1158 fail_not_started: 1159 sfc_adapter_unlock(sa); 1160 SFC_ASSERT(rc > 0); 1161 return -rc; 1162 } 1163 1164 static int 1165 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1166 { 1167 struct sfc_adapter *sa = dev->data->dev_private; 1168 1169 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1170 1171 sfc_adapter_lock(sa); 1172 sfc_rx_qstop(sa, rx_queue_id); 1173 1174 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1175 1176 sfc_adapter_unlock(sa); 1177 1178 return 0; 1179 } 1180 1181 static int 1182 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1183 { 1184 struct sfc_adapter *sa = dev->data->dev_private; 1185 int rc; 1186 1187 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1188 1189 sfc_adapter_lock(sa); 1190 1191 rc = EINVAL; 1192 if (sa->state != SFC_ADAPTER_STARTED) 1193 goto fail_not_started; 1194 1195 if (sa->txq_info[tx_queue_id].txq == NULL) 1196 goto fail_not_setup; 1197 1198 rc = sfc_tx_qstart(sa, tx_queue_id); 1199 if (rc != 0) 1200 goto fail_tx_qstart; 1201 1202 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1203 1204 sfc_adapter_unlock(sa); 1205 return 0; 1206 1207 fail_tx_qstart: 1208 1209 fail_not_setup: 1210 fail_not_started: 1211 sfc_adapter_unlock(sa); 1212 SFC_ASSERT(rc > 0); 1213 return -rc; 1214 } 1215 1216 static int 1217 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1218 { 1219 struct sfc_adapter *sa = dev->data->dev_private; 1220 1221 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1222 1223 sfc_adapter_lock(sa); 1224 1225 sfc_tx_qstop(sa, tx_queue_id); 1226 1227 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1228 1229 sfc_adapter_unlock(sa); 1230 return 0; 1231 } 1232 1233 static efx_tunnel_protocol_t 1234 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1235 { 1236 switch (rte_type) { 1237 case RTE_TUNNEL_TYPE_VXLAN: 1238 return EFX_TUNNEL_PROTOCOL_VXLAN; 1239 case RTE_TUNNEL_TYPE_GENEVE: 1240 return EFX_TUNNEL_PROTOCOL_GENEVE; 1241 default: 1242 return EFX_TUNNEL_NPROTOS; 1243 } 1244 } 1245 1246 enum sfc_udp_tunnel_op_e { 1247 SFC_UDP_TUNNEL_ADD_PORT, 1248 SFC_UDP_TUNNEL_DEL_PORT, 1249 }; 1250 1251 static int 1252 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1253 struct rte_eth_udp_tunnel *tunnel_udp, 1254 enum sfc_udp_tunnel_op_e op) 1255 { 1256 struct sfc_adapter *sa = dev->data->dev_private; 1257 efx_tunnel_protocol_t tunnel_proto; 1258 int rc; 1259 1260 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1261 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1262 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1263 tunnel_udp->udp_port, tunnel_udp->prot_type); 1264 1265 tunnel_proto = 1266 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1267 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1268 rc = ENOTSUP; 1269 goto fail_bad_proto; 1270 } 1271 1272 sfc_adapter_lock(sa); 1273 1274 switch (op) { 1275 case SFC_UDP_TUNNEL_ADD_PORT: 1276 rc = efx_tunnel_config_udp_add(sa->nic, 1277 tunnel_udp->udp_port, 1278 tunnel_proto); 1279 break; 1280 case SFC_UDP_TUNNEL_DEL_PORT: 1281 rc = efx_tunnel_config_udp_remove(sa->nic, 1282 tunnel_udp->udp_port, 1283 tunnel_proto); 1284 break; 1285 default: 1286 rc = EINVAL; 1287 goto fail_bad_op; 1288 } 1289 1290 if (rc != 0) 1291 goto fail_op; 1292 1293 if (sa->state == SFC_ADAPTER_STARTED) { 1294 rc = efx_tunnel_reconfigure(sa->nic); 1295 if (rc == EAGAIN) { 1296 /* 1297 * Configuration is accepted by FW and MC reboot 1298 * is initiated to apply the changes. MC reboot 1299 * will be handled in a usual way (MC reboot 1300 * event on management event queue and adapter 1301 * restart). 1302 */ 1303 rc = 0; 1304 } else if (rc != 0) { 1305 goto fail_reconfigure; 1306 } 1307 } 1308 1309 sfc_adapter_unlock(sa); 1310 return 0; 1311 1312 fail_reconfigure: 1313 /* Remove/restore entry since the change makes the trouble */ 1314 switch (op) { 1315 case SFC_UDP_TUNNEL_ADD_PORT: 1316 (void)efx_tunnel_config_udp_remove(sa->nic, 1317 tunnel_udp->udp_port, 1318 tunnel_proto); 1319 break; 1320 case SFC_UDP_TUNNEL_DEL_PORT: 1321 (void)efx_tunnel_config_udp_add(sa->nic, 1322 tunnel_udp->udp_port, 1323 tunnel_proto); 1324 break; 1325 } 1326 1327 fail_op: 1328 fail_bad_op: 1329 sfc_adapter_unlock(sa); 1330 1331 fail_bad_proto: 1332 SFC_ASSERT(rc > 0); 1333 return -rc; 1334 } 1335 1336 static int 1337 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1338 struct rte_eth_udp_tunnel *tunnel_udp) 1339 { 1340 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1341 } 1342 1343 static int 1344 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1345 struct rte_eth_udp_tunnel *tunnel_udp) 1346 { 1347 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1348 } 1349 1350 static int 1351 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1352 struct rte_eth_rss_conf *rss_conf) 1353 { 1354 struct sfc_adapter *sa = dev->data->dev_private; 1355 struct sfc_rss *rss = &sa->rss; 1356 1357 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) 1358 return -ENOTSUP; 1359 1360 sfc_adapter_lock(sa); 1361 1362 /* 1363 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1364 * hence, conversion is done here to derive a correct set of ETH_RSS 1365 * flags which corresponds to the active EFX configuration stored 1366 * locally in 'sfc_adapter' and kept up-to-date 1367 */ 1368 rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(sa, rss->hash_types); 1369 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1370 if (rss_conf->rss_key != NULL) 1371 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE); 1372 1373 sfc_adapter_unlock(sa); 1374 1375 return 0; 1376 } 1377 1378 static int 1379 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1380 struct rte_eth_rss_conf *rss_conf) 1381 { 1382 struct sfc_adapter *sa = dev->data->dev_private; 1383 struct sfc_rss *rss = &sa->rss; 1384 struct sfc_port *port = &sa->port; 1385 unsigned int efx_hash_types; 1386 int rc = 0; 1387 1388 if (port->isolated) 1389 return -ENOTSUP; 1390 1391 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { 1392 sfc_err(sa, "RSS is not available"); 1393 return -ENOTSUP; 1394 } 1395 1396 if (rss->channels == 0) { 1397 sfc_err(sa, "RSS is not configured"); 1398 return -EINVAL; 1399 } 1400 1401 if ((rss_conf->rss_key != NULL) && 1402 (rss_conf->rss_key_len != sizeof(rss->key))) { 1403 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1404 sizeof(rss->key)); 1405 return -EINVAL; 1406 } 1407 1408 sfc_adapter_lock(sa); 1409 1410 rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types); 1411 if (rc != 0) 1412 goto fail_rx_hf_rte_to_efx; 1413 1414 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1415 rss->hash_alg, efx_hash_types, B_TRUE); 1416 if (rc != 0) 1417 goto fail_scale_mode_set; 1418 1419 if (rss_conf->rss_key != NULL) { 1420 if (sa->state == SFC_ADAPTER_STARTED) { 1421 rc = efx_rx_scale_key_set(sa->nic, 1422 EFX_RSS_CONTEXT_DEFAULT, 1423 rss_conf->rss_key, 1424 sizeof(rss->key)); 1425 if (rc != 0) 1426 goto fail_scale_key_set; 1427 } 1428 1429 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key)); 1430 } 1431 1432 rss->hash_types = efx_hash_types; 1433 1434 sfc_adapter_unlock(sa); 1435 1436 return 0; 1437 1438 fail_scale_key_set: 1439 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1440 EFX_RX_HASHALG_TOEPLITZ, 1441 rss->hash_types, B_TRUE) != 0) 1442 sfc_err(sa, "failed to restore RSS mode"); 1443 1444 fail_scale_mode_set: 1445 fail_rx_hf_rte_to_efx: 1446 sfc_adapter_unlock(sa); 1447 return -rc; 1448 } 1449 1450 static int 1451 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1452 struct rte_eth_rss_reta_entry64 *reta_conf, 1453 uint16_t reta_size) 1454 { 1455 struct sfc_adapter *sa = dev->data->dev_private; 1456 struct sfc_rss *rss = &sa->rss; 1457 struct sfc_port *port = &sa->port; 1458 int entry; 1459 1460 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || port->isolated) 1461 return -ENOTSUP; 1462 1463 if (rss->channels == 0) 1464 return -EINVAL; 1465 1466 if (reta_size != EFX_RSS_TBL_SIZE) 1467 return -EINVAL; 1468 1469 sfc_adapter_lock(sa); 1470 1471 for (entry = 0; entry < reta_size; entry++) { 1472 int grp = entry / RTE_RETA_GROUP_SIZE; 1473 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1474 1475 if ((reta_conf[grp].mask >> grp_idx) & 1) 1476 reta_conf[grp].reta[grp_idx] = rss->tbl[entry]; 1477 } 1478 1479 sfc_adapter_unlock(sa); 1480 1481 return 0; 1482 } 1483 1484 static int 1485 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1486 struct rte_eth_rss_reta_entry64 *reta_conf, 1487 uint16_t reta_size) 1488 { 1489 struct sfc_adapter *sa = dev->data->dev_private; 1490 struct sfc_rss *rss = &sa->rss; 1491 struct sfc_port *port = &sa->port; 1492 unsigned int *rss_tbl_new; 1493 uint16_t entry; 1494 int rc = 0; 1495 1496 1497 if (port->isolated) 1498 return -ENOTSUP; 1499 1500 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { 1501 sfc_err(sa, "RSS is not available"); 1502 return -ENOTSUP; 1503 } 1504 1505 if (rss->channels == 0) { 1506 sfc_err(sa, "RSS is not configured"); 1507 return -EINVAL; 1508 } 1509 1510 if (reta_size != EFX_RSS_TBL_SIZE) { 1511 sfc_err(sa, "RETA size is wrong (should be %u)", 1512 EFX_RSS_TBL_SIZE); 1513 return -EINVAL; 1514 } 1515 1516 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0); 1517 if (rss_tbl_new == NULL) 1518 return -ENOMEM; 1519 1520 sfc_adapter_lock(sa); 1521 1522 rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl)); 1523 1524 for (entry = 0; entry < reta_size; entry++) { 1525 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1526 struct rte_eth_rss_reta_entry64 *grp; 1527 1528 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1529 1530 if (grp->mask & (1ull << grp_idx)) { 1531 if (grp->reta[grp_idx] >= rss->channels) { 1532 rc = EINVAL; 1533 goto bad_reta_entry; 1534 } 1535 rss_tbl_new[entry] = grp->reta[grp_idx]; 1536 } 1537 } 1538 1539 if (sa->state == SFC_ADAPTER_STARTED) { 1540 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1541 rss_tbl_new, EFX_RSS_TBL_SIZE); 1542 if (rc != 0) 1543 goto fail_scale_tbl_set; 1544 } 1545 1546 rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl)); 1547 1548 fail_scale_tbl_set: 1549 bad_reta_entry: 1550 sfc_adapter_unlock(sa); 1551 1552 rte_free(rss_tbl_new); 1553 1554 SFC_ASSERT(rc >= 0); 1555 return -rc; 1556 } 1557 1558 static int 1559 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1560 enum rte_filter_op filter_op, 1561 void *arg) 1562 { 1563 struct sfc_adapter *sa = dev->data->dev_private; 1564 int rc = ENOTSUP; 1565 1566 sfc_log_init(sa, "entry"); 1567 1568 switch (filter_type) { 1569 case RTE_ETH_FILTER_NONE: 1570 sfc_err(sa, "Global filters configuration not supported"); 1571 break; 1572 case RTE_ETH_FILTER_MACVLAN: 1573 sfc_err(sa, "MACVLAN filters not supported"); 1574 break; 1575 case RTE_ETH_FILTER_ETHERTYPE: 1576 sfc_err(sa, "EtherType filters not supported"); 1577 break; 1578 case RTE_ETH_FILTER_FLEXIBLE: 1579 sfc_err(sa, "Flexible filters not supported"); 1580 break; 1581 case RTE_ETH_FILTER_SYN: 1582 sfc_err(sa, "SYN filters not supported"); 1583 break; 1584 case RTE_ETH_FILTER_NTUPLE: 1585 sfc_err(sa, "NTUPLE filters not supported"); 1586 break; 1587 case RTE_ETH_FILTER_TUNNEL: 1588 sfc_err(sa, "Tunnel filters not supported"); 1589 break; 1590 case RTE_ETH_FILTER_FDIR: 1591 sfc_err(sa, "Flow Director filters not supported"); 1592 break; 1593 case RTE_ETH_FILTER_HASH: 1594 sfc_err(sa, "Hash filters not supported"); 1595 break; 1596 case RTE_ETH_FILTER_GENERIC: 1597 if (filter_op != RTE_ETH_FILTER_GET) { 1598 rc = EINVAL; 1599 } else { 1600 *(const void **)arg = &sfc_flow_ops; 1601 rc = 0; 1602 } 1603 break; 1604 default: 1605 sfc_err(sa, "Unknown filter type %u", filter_type); 1606 break; 1607 } 1608 1609 sfc_log_init(sa, "exit: %d", -rc); 1610 SFC_ASSERT(rc >= 0); 1611 return -rc; 1612 } 1613 1614 static int 1615 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool) 1616 { 1617 struct sfc_adapter *sa = dev->data->dev_private; 1618 1619 /* 1620 * If Rx datapath does not provide callback to check mempool, 1621 * all pools are supported. 1622 */ 1623 if (sa->dp_rx->pool_ops_supported == NULL) 1624 return 1; 1625 1626 return sa->dp_rx->pool_ops_supported(pool); 1627 } 1628 1629 static const struct eth_dev_ops sfc_eth_dev_ops = { 1630 .dev_configure = sfc_dev_configure, 1631 .dev_start = sfc_dev_start, 1632 .dev_stop = sfc_dev_stop, 1633 .dev_set_link_up = sfc_dev_set_link_up, 1634 .dev_set_link_down = sfc_dev_set_link_down, 1635 .dev_close = sfc_dev_close, 1636 .promiscuous_enable = sfc_dev_promisc_enable, 1637 .promiscuous_disable = sfc_dev_promisc_disable, 1638 .allmulticast_enable = sfc_dev_allmulti_enable, 1639 .allmulticast_disable = sfc_dev_allmulti_disable, 1640 .link_update = sfc_dev_link_update, 1641 .stats_get = sfc_stats_get, 1642 .stats_reset = sfc_stats_reset, 1643 .xstats_get = sfc_xstats_get, 1644 .xstats_reset = sfc_stats_reset, 1645 .xstats_get_names = sfc_xstats_get_names, 1646 .dev_infos_get = sfc_dev_infos_get, 1647 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1648 .mtu_set = sfc_dev_set_mtu, 1649 .rx_queue_start = sfc_rx_queue_start, 1650 .rx_queue_stop = sfc_rx_queue_stop, 1651 .tx_queue_start = sfc_tx_queue_start, 1652 .tx_queue_stop = sfc_tx_queue_stop, 1653 .rx_queue_setup = sfc_rx_queue_setup, 1654 .rx_queue_release = sfc_rx_queue_release, 1655 .rx_queue_count = sfc_rx_queue_count, 1656 .rx_descriptor_done = sfc_rx_descriptor_done, 1657 .rx_descriptor_status = sfc_rx_descriptor_status, 1658 .tx_descriptor_status = sfc_tx_descriptor_status, 1659 .tx_queue_setup = sfc_tx_queue_setup, 1660 .tx_queue_release = sfc_tx_queue_release, 1661 .flow_ctrl_get = sfc_flow_ctrl_get, 1662 .flow_ctrl_set = sfc_flow_ctrl_set, 1663 .mac_addr_set = sfc_mac_addr_set, 1664 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1665 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1666 .reta_update = sfc_dev_rss_reta_update, 1667 .reta_query = sfc_dev_rss_reta_query, 1668 .rss_hash_update = sfc_dev_rss_hash_update, 1669 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1670 .filter_ctrl = sfc_dev_filter_ctrl, 1671 .set_mc_addr_list = sfc_set_mc_addr_list, 1672 .rxq_info_get = sfc_rx_queue_info_get, 1673 .txq_info_get = sfc_tx_queue_info_get, 1674 .fw_version_get = sfc_fw_version_get, 1675 .xstats_get_by_id = sfc_xstats_get_by_id, 1676 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1677 .pool_ops_supported = sfc_pool_ops_supported, 1678 }; 1679 1680 /** 1681 * Duplicate a string in potentially shared memory required for 1682 * multi-process support. 1683 * 1684 * strdup() allocates from process-local heap/memory. 1685 */ 1686 static char * 1687 sfc_strdup(const char *str) 1688 { 1689 size_t size; 1690 char *copy; 1691 1692 if (str == NULL) 1693 return NULL; 1694 1695 size = strlen(str) + 1; 1696 copy = rte_malloc(__func__, size, 0); 1697 if (copy != NULL) 1698 rte_memcpy(copy, str, size); 1699 1700 return copy; 1701 } 1702 1703 static int 1704 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1705 { 1706 struct sfc_adapter *sa = dev->data->dev_private; 1707 const efx_nic_cfg_t *encp; 1708 unsigned int avail_caps = 0; 1709 const char *rx_name = NULL; 1710 const char *tx_name = NULL; 1711 int rc; 1712 1713 switch (sa->family) { 1714 case EFX_FAMILY_HUNTINGTON: 1715 case EFX_FAMILY_MEDFORD: 1716 case EFX_FAMILY_MEDFORD2: 1717 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1718 break; 1719 default: 1720 break; 1721 } 1722 1723 encp = efx_nic_cfg_get(sa->nic); 1724 if (encp->enc_rx_es_super_buffer_supported) 1725 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER; 1726 1727 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1728 sfc_kvarg_string_handler, &rx_name); 1729 if (rc != 0) 1730 goto fail_kvarg_rx_datapath; 1731 1732 if (rx_name != NULL) { 1733 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1734 if (sa->dp_rx == NULL) { 1735 sfc_err(sa, "Rx datapath %s not found", rx_name); 1736 rc = ENOENT; 1737 goto fail_dp_rx; 1738 } 1739 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1740 sfc_err(sa, 1741 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1742 rx_name); 1743 rc = EINVAL; 1744 goto fail_dp_rx_caps; 1745 } 1746 } else { 1747 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1748 if (sa->dp_rx == NULL) { 1749 sfc_err(sa, "Rx datapath by caps %#x not found", 1750 avail_caps); 1751 rc = ENOENT; 1752 goto fail_dp_rx; 1753 } 1754 } 1755 1756 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1757 if (sa->dp_rx_name == NULL) { 1758 rc = ENOMEM; 1759 goto fail_dp_rx_name; 1760 } 1761 1762 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name); 1763 1764 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1765 1766 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1767 sfc_kvarg_string_handler, &tx_name); 1768 if (rc != 0) 1769 goto fail_kvarg_tx_datapath; 1770 1771 if (tx_name != NULL) { 1772 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1773 if (sa->dp_tx == NULL) { 1774 sfc_err(sa, "Tx datapath %s not found", tx_name); 1775 rc = ENOENT; 1776 goto fail_dp_tx; 1777 } 1778 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1779 sfc_err(sa, 1780 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1781 tx_name); 1782 rc = EINVAL; 1783 goto fail_dp_tx_caps; 1784 } 1785 } else { 1786 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1787 if (sa->dp_tx == NULL) { 1788 sfc_err(sa, "Tx datapath by caps %#x not found", 1789 avail_caps); 1790 rc = ENOENT; 1791 goto fail_dp_tx; 1792 } 1793 } 1794 1795 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1796 if (sa->dp_tx_name == NULL) { 1797 rc = ENOMEM; 1798 goto fail_dp_tx_name; 1799 } 1800 1801 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name); 1802 1803 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1804 1805 dev->dev_ops = &sfc_eth_dev_ops; 1806 1807 return 0; 1808 1809 fail_dp_tx_name: 1810 fail_dp_tx_caps: 1811 sa->dp_tx = NULL; 1812 1813 fail_dp_tx: 1814 fail_kvarg_tx_datapath: 1815 rte_free(sa->dp_rx_name); 1816 sa->dp_rx_name = NULL; 1817 1818 fail_dp_rx_name: 1819 fail_dp_rx_caps: 1820 sa->dp_rx = NULL; 1821 1822 fail_dp_rx: 1823 fail_kvarg_rx_datapath: 1824 return rc; 1825 } 1826 1827 static void 1828 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1829 { 1830 struct sfc_adapter *sa = dev->data->dev_private; 1831 1832 dev->dev_ops = NULL; 1833 dev->rx_pkt_burst = NULL; 1834 dev->tx_pkt_burst = NULL; 1835 1836 rte_free(sa->dp_tx_name); 1837 sa->dp_tx_name = NULL; 1838 sa->dp_tx = NULL; 1839 1840 rte_free(sa->dp_rx_name); 1841 sa->dp_rx_name = NULL; 1842 sa->dp_rx = NULL; 1843 } 1844 1845 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1846 .rxq_info_get = sfc_rx_queue_info_get, 1847 .txq_info_get = sfc_tx_queue_info_get, 1848 }; 1849 1850 static int 1851 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1852 { 1853 /* 1854 * Device private data has really many process-local pointers. 1855 * Below code should be extremely careful to use data located 1856 * in shared memory only. 1857 */ 1858 struct sfc_adapter *sa = dev->data->dev_private; 1859 const struct sfc_dp_rx *dp_rx; 1860 const struct sfc_dp_tx *dp_tx; 1861 int rc; 1862 1863 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1864 if (dp_rx == NULL) { 1865 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1866 rc = ENOENT; 1867 goto fail_dp_rx; 1868 } 1869 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1870 sfc_err(sa, "%s Rx datapath does not support multi-process", 1871 sa->dp_tx_name); 1872 rc = EINVAL; 1873 goto fail_dp_rx_multi_process; 1874 } 1875 1876 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1877 if (dp_tx == NULL) { 1878 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1879 rc = ENOENT; 1880 goto fail_dp_tx; 1881 } 1882 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1883 sfc_err(sa, "%s Tx datapath does not support multi-process", 1884 sa->dp_tx_name); 1885 rc = EINVAL; 1886 goto fail_dp_tx_multi_process; 1887 } 1888 1889 dev->rx_pkt_burst = dp_rx->pkt_burst; 1890 dev->tx_pkt_burst = dp_tx->pkt_burst; 1891 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1892 1893 return 0; 1894 1895 fail_dp_tx_multi_process: 1896 fail_dp_tx: 1897 fail_dp_rx_multi_process: 1898 fail_dp_rx: 1899 return rc; 1900 } 1901 1902 static void 1903 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1904 { 1905 dev->dev_ops = NULL; 1906 dev->tx_pkt_burst = NULL; 1907 dev->rx_pkt_burst = NULL; 1908 } 1909 1910 static void 1911 sfc_register_dp(void) 1912 { 1913 /* Register once */ 1914 if (TAILQ_EMPTY(&sfc_dp_head)) { 1915 /* Prefer EF10 datapath */ 1916 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp); 1917 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1918 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1919 1920 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1921 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1922 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1923 } 1924 } 1925 1926 static int 1927 sfc_eth_dev_init(struct rte_eth_dev *dev) 1928 { 1929 struct sfc_adapter *sa = dev->data->dev_private; 1930 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1931 int rc; 1932 const efx_nic_cfg_t *encp; 1933 const struct ether_addr *from; 1934 1935 sfc_register_dp(); 1936 1937 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1938 return -sfc_eth_dev_secondary_set_ops(dev); 1939 1940 /* Required for logging */ 1941 sa->pci_addr = pci_dev->addr; 1942 sa->port_id = dev->data->port_id; 1943 1944 sa->eth_dev = dev; 1945 1946 /* Copy PCI device info to the dev->data */ 1947 rte_eth_copy_pci_info(dev, pci_dev); 1948 1949 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR, 1950 RTE_LOG_NOTICE); 1951 1952 rc = sfc_kvargs_parse(sa); 1953 if (rc != 0) 1954 goto fail_kvargs_parse; 1955 1956 sfc_log_init(sa, "entry"); 1957 1958 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1959 if (dev->data->mac_addrs == NULL) { 1960 rc = ENOMEM; 1961 goto fail_mac_addrs; 1962 } 1963 1964 sfc_adapter_lock_init(sa); 1965 sfc_adapter_lock(sa); 1966 1967 sfc_log_init(sa, "probing"); 1968 rc = sfc_probe(sa); 1969 if (rc != 0) 1970 goto fail_probe; 1971 1972 sfc_log_init(sa, "set device ops"); 1973 rc = sfc_eth_dev_set_ops(dev); 1974 if (rc != 0) 1975 goto fail_set_ops; 1976 1977 sfc_log_init(sa, "attaching"); 1978 rc = sfc_attach(sa); 1979 if (rc != 0) 1980 goto fail_attach; 1981 1982 encp = efx_nic_cfg_get(sa->nic); 1983 1984 /* 1985 * The arguments are really reverse order in comparison to 1986 * Linux kernel. Copy from NIC config to Ethernet device data. 1987 */ 1988 from = (const struct ether_addr *)(encp->enc_mac_addr); 1989 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1990 1991 sfc_adapter_unlock(sa); 1992 1993 sfc_log_init(sa, "done"); 1994 return 0; 1995 1996 fail_attach: 1997 sfc_eth_dev_clear_ops(dev); 1998 1999 fail_set_ops: 2000 sfc_unprobe(sa); 2001 2002 fail_probe: 2003 sfc_adapter_unlock(sa); 2004 sfc_adapter_lock_fini(sa); 2005 rte_free(dev->data->mac_addrs); 2006 dev->data->mac_addrs = NULL; 2007 2008 fail_mac_addrs: 2009 sfc_kvargs_cleanup(sa); 2010 2011 fail_kvargs_parse: 2012 sfc_log_init(sa, "failed %d", rc); 2013 SFC_ASSERT(rc > 0); 2014 return -rc; 2015 } 2016 2017 static int 2018 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 2019 { 2020 struct sfc_adapter *sa; 2021 2022 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2023 sfc_eth_dev_secondary_clear_ops(dev); 2024 return 0; 2025 } 2026 2027 sa = dev->data->dev_private; 2028 sfc_log_init(sa, "entry"); 2029 2030 sfc_adapter_lock(sa); 2031 2032 sfc_eth_dev_clear_ops(dev); 2033 2034 sfc_detach(sa); 2035 sfc_unprobe(sa); 2036 2037 sfc_kvargs_cleanup(sa); 2038 2039 sfc_adapter_unlock(sa); 2040 sfc_adapter_lock_fini(sa); 2041 2042 sfc_log_init(sa, "done"); 2043 2044 /* Required for logging, so cleanup last */ 2045 sa->eth_dev = NULL; 2046 return 0; 2047 } 2048 2049 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2050 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2051 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2052 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2053 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2054 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2055 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2056 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) }, 2057 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) }, 2058 { .vendor_id = 0 /* sentinel */ } 2059 }; 2060 2061 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2062 struct rte_pci_device *pci_dev) 2063 { 2064 return rte_eth_dev_pci_generic_probe(pci_dev, 2065 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2066 } 2067 2068 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2069 { 2070 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2071 } 2072 2073 static struct rte_pci_driver sfc_efx_pmd = { 2074 .id_table = pci_id_sfc_efx_map, 2075 .drv_flags = 2076 RTE_PCI_DRV_INTR_LSC | 2077 RTE_PCI_DRV_NEED_MAPPING, 2078 .probe = sfc_eth_dev_pci_probe, 2079 .remove = sfc_eth_dev_pci_remove, 2080 }; 2081 2082 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2083 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2084 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2085 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2086 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2087 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2088 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2089 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " " 2090 SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> " 2091 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>"); 2092 2093 RTE_INIT(sfc_driver_register_logtype) 2094 { 2095 int ret; 2096 2097 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", 2098 RTE_LOG_NOTICE); 2099 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; 2100 } 2101