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 } 175 176 static const uint32_t * 177 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 178 { 179 struct sfc_adapter *sa = dev->data->dev_private; 180 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 181 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 182 183 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 184 } 185 186 static int 187 sfc_dev_configure(struct rte_eth_dev *dev) 188 { 189 struct rte_eth_dev_data *dev_data = dev->data; 190 struct sfc_adapter *sa = dev_data->dev_private; 191 int rc; 192 193 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 194 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 195 196 sfc_adapter_lock(sa); 197 switch (sa->state) { 198 case SFC_ADAPTER_CONFIGURED: 199 /* FALLTHROUGH */ 200 case SFC_ADAPTER_INITIALIZED: 201 rc = sfc_configure(sa); 202 break; 203 default: 204 sfc_err(sa, "unexpected adapter state %u to configure", 205 sa->state); 206 rc = EINVAL; 207 break; 208 } 209 sfc_adapter_unlock(sa); 210 211 sfc_log_init(sa, "done %d", rc); 212 SFC_ASSERT(rc >= 0); 213 return -rc; 214 } 215 216 static int 217 sfc_dev_start(struct rte_eth_dev *dev) 218 { 219 struct sfc_adapter *sa = dev->data->dev_private; 220 int rc; 221 222 sfc_log_init(sa, "entry"); 223 224 sfc_adapter_lock(sa); 225 rc = sfc_start(sa); 226 sfc_adapter_unlock(sa); 227 228 sfc_log_init(sa, "done %d", rc); 229 SFC_ASSERT(rc >= 0); 230 return -rc; 231 } 232 233 static int 234 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 235 { 236 struct sfc_adapter *sa = dev->data->dev_private; 237 struct rte_eth_link current_link; 238 int ret; 239 240 sfc_log_init(sa, "entry"); 241 242 if (sa->state != SFC_ADAPTER_STARTED) { 243 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 244 } else if (wait_to_complete) { 245 efx_link_mode_t link_mode; 246 247 if (efx_port_poll(sa->nic, &link_mode) != 0) 248 link_mode = EFX_LINK_UNKNOWN; 249 sfc_port_link_mode_to_info(link_mode, ¤t_link); 250 251 } else { 252 sfc_ev_mgmt_qpoll(sa); 253 rte_eth_linkstatus_get(dev, ¤t_link); 254 } 255 256 ret = rte_eth_linkstatus_set(dev, ¤t_link); 257 if (ret == 0) 258 sfc_notice(sa, "Link status is %s", 259 current_link.link_status ? "UP" : "DOWN"); 260 261 return ret; 262 } 263 264 static void 265 sfc_dev_stop(struct rte_eth_dev *dev) 266 { 267 struct sfc_adapter *sa = dev->data->dev_private; 268 269 sfc_log_init(sa, "entry"); 270 271 sfc_adapter_lock(sa); 272 sfc_stop(sa); 273 sfc_adapter_unlock(sa); 274 275 sfc_log_init(sa, "done"); 276 } 277 278 static int 279 sfc_dev_set_link_up(struct rte_eth_dev *dev) 280 { 281 struct sfc_adapter *sa = dev->data->dev_private; 282 int rc; 283 284 sfc_log_init(sa, "entry"); 285 286 sfc_adapter_lock(sa); 287 rc = sfc_start(sa); 288 sfc_adapter_unlock(sa); 289 290 SFC_ASSERT(rc >= 0); 291 return -rc; 292 } 293 294 static int 295 sfc_dev_set_link_down(struct rte_eth_dev *dev) 296 { 297 struct sfc_adapter *sa = dev->data->dev_private; 298 299 sfc_log_init(sa, "entry"); 300 301 sfc_adapter_lock(sa); 302 sfc_stop(sa); 303 sfc_adapter_unlock(sa); 304 305 return 0; 306 } 307 308 static void 309 sfc_dev_close(struct rte_eth_dev *dev) 310 { 311 struct sfc_adapter *sa = dev->data->dev_private; 312 313 sfc_log_init(sa, "entry"); 314 315 sfc_adapter_lock(sa); 316 switch (sa->state) { 317 case SFC_ADAPTER_STARTED: 318 sfc_stop(sa); 319 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 320 /* FALLTHROUGH */ 321 case SFC_ADAPTER_CONFIGURED: 322 sfc_close(sa); 323 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 324 /* FALLTHROUGH */ 325 case SFC_ADAPTER_INITIALIZED: 326 break; 327 default: 328 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 329 break; 330 } 331 sfc_adapter_unlock(sa); 332 333 sfc_log_init(sa, "done"); 334 } 335 336 static void 337 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 338 boolean_t enabled) 339 { 340 struct sfc_port *port; 341 boolean_t *toggle; 342 struct sfc_adapter *sa = dev->data->dev_private; 343 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 344 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 345 346 sfc_adapter_lock(sa); 347 348 port = &sa->port; 349 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 350 351 if (*toggle != enabled) { 352 *toggle = enabled; 353 354 if (port->isolated) { 355 sfc_warn(sa, "isolated mode is active on the port"); 356 sfc_warn(sa, "the change is to be applied on the next " 357 "start provided that isolated mode is " 358 "disabled prior the next start"); 359 } else if ((sa->state == SFC_ADAPTER_STARTED) && 360 (sfc_set_rx_mode(sa) != 0)) { 361 *toggle = !(enabled); 362 sfc_warn(sa, "Failed to %s %s mode", 363 ((enabled) ? "enable" : "disable"), desc); 364 } 365 } 366 367 sfc_adapter_unlock(sa); 368 } 369 370 static void 371 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 372 { 373 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 374 } 375 376 static void 377 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 378 { 379 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 380 } 381 382 static void 383 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 384 { 385 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 386 } 387 388 static void 389 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 390 { 391 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 392 } 393 394 static int 395 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 396 uint16_t nb_rx_desc, unsigned int socket_id, 397 const struct rte_eth_rxconf *rx_conf, 398 struct rte_mempool *mb_pool) 399 { 400 struct sfc_adapter *sa = dev->data->dev_private; 401 int rc; 402 403 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 404 rx_queue_id, nb_rx_desc, socket_id); 405 406 sfc_adapter_lock(sa); 407 408 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 409 rx_conf, mb_pool); 410 if (rc != 0) 411 goto fail_rx_qinit; 412 413 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 414 415 sfc_adapter_unlock(sa); 416 417 return 0; 418 419 fail_rx_qinit: 420 sfc_adapter_unlock(sa); 421 SFC_ASSERT(rc > 0); 422 return -rc; 423 } 424 425 static void 426 sfc_rx_queue_release(void *queue) 427 { 428 struct sfc_dp_rxq *dp_rxq = queue; 429 struct sfc_rxq *rxq; 430 struct sfc_adapter *sa; 431 unsigned int sw_index; 432 433 if (dp_rxq == NULL) 434 return; 435 436 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 437 sa = rxq->evq->sa; 438 sfc_adapter_lock(sa); 439 440 sw_index = sfc_rxq_sw_index(rxq); 441 442 sfc_log_init(sa, "RxQ=%u", sw_index); 443 444 sa->eth_dev->data->rx_queues[sw_index] = NULL; 445 446 sfc_rx_qfini(sa, sw_index); 447 448 sfc_adapter_unlock(sa); 449 } 450 451 static int 452 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 453 uint16_t nb_tx_desc, unsigned int socket_id, 454 const struct rte_eth_txconf *tx_conf) 455 { 456 struct sfc_adapter *sa = dev->data->dev_private; 457 int rc; 458 459 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 460 tx_queue_id, nb_tx_desc, socket_id); 461 462 sfc_adapter_lock(sa); 463 464 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 465 if (rc != 0) 466 goto fail_tx_qinit; 467 468 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 469 470 sfc_adapter_unlock(sa); 471 return 0; 472 473 fail_tx_qinit: 474 sfc_adapter_unlock(sa); 475 SFC_ASSERT(rc > 0); 476 return -rc; 477 } 478 479 static void 480 sfc_tx_queue_release(void *queue) 481 { 482 struct sfc_dp_txq *dp_txq = queue; 483 struct sfc_txq *txq; 484 unsigned int sw_index; 485 struct sfc_adapter *sa; 486 487 if (dp_txq == NULL) 488 return; 489 490 txq = sfc_txq_by_dp_txq(dp_txq); 491 sw_index = sfc_txq_sw_index(txq); 492 493 SFC_ASSERT(txq->evq != NULL); 494 sa = txq->evq->sa; 495 496 sfc_log_init(sa, "TxQ = %u", sw_index); 497 498 sfc_adapter_lock(sa); 499 500 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 501 sa->eth_dev->data->tx_queues[sw_index] = NULL; 502 503 sfc_tx_qfini(sa, sw_index); 504 505 sfc_adapter_unlock(sa); 506 } 507 508 static int 509 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 510 { 511 struct sfc_adapter *sa = dev->data->dev_private; 512 struct sfc_port *port = &sa->port; 513 uint64_t *mac_stats; 514 int ret; 515 516 rte_spinlock_lock(&port->mac_stats_lock); 517 518 ret = sfc_port_update_mac_stats(sa); 519 if (ret != 0) 520 goto unlock; 521 522 mac_stats = port->mac_stats_buf; 523 524 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 525 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 526 stats->ipackets = 527 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 528 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 529 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 530 stats->opackets = 531 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 532 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 533 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 534 stats->ibytes = 535 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 536 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 537 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 538 stats->obytes = 539 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 540 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 541 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 542 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 543 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 544 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 545 } else { 546 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 547 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 548 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 549 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 550 /* 551 * Take into account stats which are whenever supported 552 * on EF10. If some stat is not supported by current 553 * firmware variant or HW revision, it is guaranteed 554 * to be zero in mac_stats. 555 */ 556 stats->imissed = 557 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 558 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 559 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 560 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 561 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 562 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 563 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 564 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 565 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 566 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 567 stats->ierrors = 568 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 569 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 570 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 571 /* no oerrors counters supported on EF10 */ 572 } 573 574 unlock: 575 rte_spinlock_unlock(&port->mac_stats_lock); 576 SFC_ASSERT(ret >= 0); 577 return -ret; 578 } 579 580 static void 581 sfc_stats_reset(struct rte_eth_dev *dev) 582 { 583 struct sfc_adapter *sa = dev->data->dev_private; 584 struct sfc_port *port = &sa->port; 585 int rc; 586 587 if (sa->state != SFC_ADAPTER_STARTED) { 588 /* 589 * The operation cannot be done if port is not started; it 590 * will be scheduled to be done during the next port start 591 */ 592 port->mac_stats_reset_pending = B_TRUE; 593 return; 594 } 595 596 rc = sfc_port_reset_mac_stats(sa); 597 if (rc != 0) 598 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 599 } 600 601 static int 602 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 603 unsigned int xstats_count) 604 { 605 struct sfc_adapter *sa = dev->data->dev_private; 606 struct sfc_port *port = &sa->port; 607 uint64_t *mac_stats; 608 int rc; 609 unsigned int i; 610 int nstats = 0; 611 612 rte_spinlock_lock(&port->mac_stats_lock); 613 614 rc = sfc_port_update_mac_stats(sa); 615 if (rc != 0) { 616 SFC_ASSERT(rc > 0); 617 nstats = -rc; 618 goto unlock; 619 } 620 621 mac_stats = port->mac_stats_buf; 622 623 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 624 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 625 if (xstats != NULL && nstats < (int)xstats_count) { 626 xstats[nstats].id = nstats; 627 xstats[nstats].value = mac_stats[i]; 628 } 629 nstats++; 630 } 631 } 632 633 unlock: 634 rte_spinlock_unlock(&port->mac_stats_lock); 635 636 return nstats; 637 } 638 639 static int 640 sfc_xstats_get_names(struct rte_eth_dev *dev, 641 struct rte_eth_xstat_name *xstats_names, 642 unsigned int xstats_count) 643 { 644 struct sfc_adapter *sa = dev->data->dev_private; 645 struct sfc_port *port = &sa->port; 646 unsigned int i; 647 unsigned int nstats = 0; 648 649 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 650 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 651 if (xstats_names != NULL && nstats < xstats_count) 652 strlcpy(xstats_names[nstats].name, 653 efx_mac_stat_name(sa->nic, i), 654 sizeof(xstats_names[0].name)); 655 nstats++; 656 } 657 } 658 659 return nstats; 660 } 661 662 static int 663 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 664 uint64_t *values, unsigned int n) 665 { 666 struct sfc_adapter *sa = dev->data->dev_private; 667 struct sfc_port *port = &sa->port; 668 uint64_t *mac_stats; 669 unsigned int nb_supported = 0; 670 unsigned int nb_written = 0; 671 unsigned int i; 672 int ret; 673 int rc; 674 675 if (unlikely(values == NULL) || 676 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 677 return port->mac_stats_nb_supported; 678 679 rte_spinlock_lock(&port->mac_stats_lock); 680 681 rc = sfc_port_update_mac_stats(sa); 682 if (rc != 0) { 683 SFC_ASSERT(rc > 0); 684 ret = -rc; 685 goto unlock; 686 } 687 688 mac_stats = port->mac_stats_buf; 689 690 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 691 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 692 continue; 693 694 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 695 values[nb_written++] = mac_stats[i]; 696 697 ++nb_supported; 698 } 699 700 ret = nb_written; 701 702 unlock: 703 rte_spinlock_unlock(&port->mac_stats_lock); 704 705 return ret; 706 } 707 708 static int 709 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 710 struct rte_eth_xstat_name *xstats_names, 711 const uint64_t *ids, unsigned int size) 712 { 713 struct sfc_adapter *sa = dev->data->dev_private; 714 struct sfc_port *port = &sa->port; 715 unsigned int nb_supported = 0; 716 unsigned int nb_written = 0; 717 unsigned int i; 718 719 if (unlikely(xstats_names == NULL) || 720 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 721 return port->mac_stats_nb_supported; 722 723 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 724 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 725 continue; 726 727 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 728 char *name = xstats_names[nb_written++].name; 729 730 strlcpy(name, efx_mac_stat_name(sa->nic, i), 731 sizeof(xstats_names[0].name)); 732 } 733 734 ++nb_supported; 735 } 736 737 return nb_written; 738 } 739 740 static int 741 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 742 { 743 struct sfc_adapter *sa = dev->data->dev_private; 744 unsigned int wanted_fc, link_fc; 745 746 memset(fc_conf, 0, sizeof(*fc_conf)); 747 748 sfc_adapter_lock(sa); 749 750 if (sa->state == SFC_ADAPTER_STARTED) 751 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 752 else 753 link_fc = sa->port.flow_ctrl; 754 755 switch (link_fc) { 756 case 0: 757 fc_conf->mode = RTE_FC_NONE; 758 break; 759 case EFX_FCNTL_RESPOND: 760 fc_conf->mode = RTE_FC_RX_PAUSE; 761 break; 762 case EFX_FCNTL_GENERATE: 763 fc_conf->mode = RTE_FC_TX_PAUSE; 764 break; 765 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 766 fc_conf->mode = RTE_FC_FULL; 767 break; 768 default: 769 sfc_err(sa, "%s: unexpected flow control value %#x", 770 __func__, link_fc); 771 } 772 773 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 774 775 sfc_adapter_unlock(sa); 776 777 return 0; 778 } 779 780 static int 781 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 782 { 783 struct sfc_adapter *sa = dev->data->dev_private; 784 struct sfc_port *port = &sa->port; 785 unsigned int fcntl; 786 int rc; 787 788 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 789 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 790 fc_conf->mac_ctrl_frame_fwd != 0) { 791 sfc_err(sa, "unsupported flow control settings specified"); 792 rc = EINVAL; 793 goto fail_inval; 794 } 795 796 switch (fc_conf->mode) { 797 case RTE_FC_NONE: 798 fcntl = 0; 799 break; 800 case RTE_FC_RX_PAUSE: 801 fcntl = EFX_FCNTL_RESPOND; 802 break; 803 case RTE_FC_TX_PAUSE: 804 fcntl = EFX_FCNTL_GENERATE; 805 break; 806 case RTE_FC_FULL: 807 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 808 break; 809 default: 810 rc = EINVAL; 811 goto fail_inval; 812 } 813 814 sfc_adapter_lock(sa); 815 816 if (sa->state == SFC_ADAPTER_STARTED) { 817 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 818 if (rc != 0) 819 goto fail_mac_fcntl_set; 820 } 821 822 port->flow_ctrl = fcntl; 823 port->flow_ctrl_autoneg = fc_conf->autoneg; 824 825 sfc_adapter_unlock(sa); 826 827 return 0; 828 829 fail_mac_fcntl_set: 830 sfc_adapter_unlock(sa); 831 fail_inval: 832 SFC_ASSERT(rc > 0); 833 return -rc; 834 } 835 836 static int 837 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 838 { 839 struct sfc_adapter *sa = dev->data->dev_private; 840 size_t pdu = EFX_MAC_PDU(mtu); 841 size_t old_pdu; 842 int rc; 843 844 sfc_log_init(sa, "mtu=%u", mtu); 845 846 rc = EINVAL; 847 if (pdu < EFX_MAC_PDU_MIN) { 848 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 849 (unsigned int)mtu, (unsigned int)pdu, 850 EFX_MAC_PDU_MIN); 851 goto fail_inval; 852 } 853 if (pdu > EFX_MAC_PDU_MAX) { 854 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 855 (unsigned int)mtu, (unsigned int)pdu, 856 EFX_MAC_PDU_MAX); 857 goto fail_inval; 858 } 859 860 sfc_adapter_lock(sa); 861 862 if (pdu != sa->port.pdu) { 863 if (sa->state == SFC_ADAPTER_STARTED) { 864 sfc_stop(sa); 865 866 old_pdu = sa->port.pdu; 867 sa->port.pdu = pdu; 868 rc = sfc_start(sa); 869 if (rc != 0) 870 goto fail_start; 871 } else { 872 sa->port.pdu = pdu; 873 } 874 } 875 876 /* 877 * The driver does not use it, but other PMDs update jumbo frame 878 * flag and max_rx_pkt_len when MTU is set. 879 */ 880 if (mtu > ETHER_MAX_LEN) { 881 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 882 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 883 } 884 885 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 886 887 sfc_adapter_unlock(sa); 888 889 sfc_log_init(sa, "done"); 890 return 0; 891 892 fail_start: 893 sa->port.pdu = old_pdu; 894 if (sfc_start(sa) != 0) 895 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 896 "PDU max size - port is stopped", 897 (unsigned int)pdu, (unsigned int)old_pdu); 898 sfc_adapter_unlock(sa); 899 900 fail_inval: 901 sfc_log_init(sa, "failed %d", rc); 902 SFC_ASSERT(rc > 0); 903 return -rc; 904 } 905 static int 906 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 907 { 908 struct sfc_adapter *sa = dev->data->dev_private; 909 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 910 struct sfc_port *port = &sa->port; 911 struct ether_addr *old_addr = &dev->data->mac_addrs[0]; 912 int rc = 0; 913 914 sfc_adapter_lock(sa); 915 916 /* 917 * Copy the address to the device private data so that 918 * it could be recalled in the case of adapter restart. 919 */ 920 ether_addr_copy(mac_addr, &port->default_mac_addr); 921 922 /* 923 * Neither of the two following checks can return 924 * an error. The new MAC address is preserved in 925 * the device private data and can be activated 926 * on the next port start if the user prevents 927 * isolated mode from being enabled. 928 */ 929 if (port->isolated) { 930 sfc_warn(sa, "isolated mode is active on the port"); 931 sfc_warn(sa, "will not set MAC address"); 932 goto unlock; 933 } 934 935 if (sa->state != SFC_ADAPTER_STARTED) { 936 sfc_notice(sa, "the port is not started"); 937 sfc_notice(sa, "the new MAC address will be set on port start"); 938 939 goto unlock; 940 } 941 942 if (encp->enc_allow_set_mac_with_installed_filters) { 943 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 944 if (rc != 0) { 945 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 946 goto unlock; 947 } 948 949 /* 950 * Changing the MAC address by means of MCDI request 951 * has no effect on received traffic, therefore 952 * we also need to update unicast filters 953 */ 954 rc = sfc_set_rx_mode(sa); 955 if (rc != 0) { 956 sfc_err(sa, "cannot set filter (rc = %u)", rc); 957 /* Rollback the old address */ 958 (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes); 959 (void)sfc_set_rx_mode(sa); 960 } 961 } else { 962 sfc_warn(sa, "cannot set MAC address with filters installed"); 963 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 964 sfc_warn(sa, "(some traffic may be dropped)"); 965 966 /* 967 * Since setting MAC address with filters installed is not 968 * allowed on the adapter, the new MAC address will be set 969 * by means of adapter restart. sfc_start() shall retrieve 970 * the new address from the device private data and set it. 971 */ 972 sfc_stop(sa); 973 rc = sfc_start(sa); 974 if (rc != 0) 975 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 976 } 977 978 unlock: 979 if (rc != 0) 980 ether_addr_copy(old_addr, &port->default_mac_addr); 981 982 sfc_adapter_unlock(sa); 983 984 SFC_ASSERT(rc >= 0); 985 return -rc; 986 } 987 988 989 static int 990 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 991 uint32_t nb_mc_addr) 992 { 993 struct sfc_adapter *sa = dev->data->dev_private; 994 struct sfc_port *port = &sa->port; 995 uint8_t *mc_addrs = port->mcast_addrs; 996 int rc; 997 unsigned int i; 998 999 if (port->isolated) { 1000 sfc_err(sa, "isolated mode is active on the port"); 1001 sfc_err(sa, "will not set multicast address list"); 1002 return -ENOTSUP; 1003 } 1004 1005 if (mc_addrs == NULL) 1006 return -ENOBUFS; 1007 1008 if (nb_mc_addr > port->max_mcast_addrs) { 1009 sfc_err(sa, "too many multicast addresses: %u > %u", 1010 nb_mc_addr, port->max_mcast_addrs); 1011 return -EINVAL; 1012 } 1013 1014 for (i = 0; i < nb_mc_addr; ++i) { 1015 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1016 EFX_MAC_ADDR_LEN); 1017 mc_addrs += EFX_MAC_ADDR_LEN; 1018 } 1019 1020 port->nb_mcast_addrs = nb_mc_addr; 1021 1022 if (sa->state != SFC_ADAPTER_STARTED) 1023 return 0; 1024 1025 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1026 port->nb_mcast_addrs); 1027 if (rc != 0) 1028 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1029 1030 SFC_ASSERT(rc >= 0); 1031 return -rc; 1032 } 1033 1034 /* 1035 * The function is used by the secondary process as well. It must not 1036 * use any process-local pointers from the adapter data. 1037 */ 1038 static void 1039 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1040 struct rte_eth_rxq_info *qinfo) 1041 { 1042 struct sfc_adapter *sa = dev->data->dev_private; 1043 struct sfc_rxq_info *rxq_info; 1044 struct sfc_rxq *rxq; 1045 1046 sfc_adapter_lock(sa); 1047 1048 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1049 1050 rxq_info = &sa->rxq_info[rx_queue_id]; 1051 rxq = rxq_info->rxq; 1052 SFC_ASSERT(rxq != NULL); 1053 1054 qinfo->mp = rxq->refill_mb_pool; 1055 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1056 qinfo->conf.rx_drop_en = 1; 1057 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1058 qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads; 1059 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { 1060 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; 1061 qinfo->scattered_rx = 1; 1062 } 1063 qinfo->nb_desc = rxq_info->entries; 1064 1065 sfc_adapter_unlock(sa); 1066 } 1067 1068 /* 1069 * The function is used by the secondary process as well. It must not 1070 * use any process-local pointers from the adapter data. 1071 */ 1072 static void 1073 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1074 struct rte_eth_txq_info *qinfo) 1075 { 1076 struct sfc_adapter *sa = dev->data->dev_private; 1077 struct sfc_txq_info *txq_info; 1078 1079 sfc_adapter_lock(sa); 1080 1081 SFC_ASSERT(tx_queue_id < sa->txq_count); 1082 1083 txq_info = &sa->txq_info[tx_queue_id]; 1084 SFC_ASSERT(txq_info->txq != NULL); 1085 1086 memset(qinfo, 0, sizeof(*qinfo)); 1087 1088 qinfo->conf.offloads = txq_info->txq->offloads; 1089 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1090 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1091 qinfo->nb_desc = txq_info->entries; 1092 1093 sfc_adapter_unlock(sa); 1094 } 1095 1096 static uint32_t 1097 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1098 { 1099 struct sfc_adapter *sa = dev->data->dev_private; 1100 1101 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1102 1103 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1104 } 1105 1106 static int 1107 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1108 { 1109 struct sfc_dp_rxq *dp_rxq = queue; 1110 1111 return sfc_rx_qdesc_done(dp_rxq, offset); 1112 } 1113 1114 static int 1115 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1116 { 1117 struct sfc_dp_rxq *dp_rxq = queue; 1118 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1119 1120 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1121 } 1122 1123 static int 1124 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1125 { 1126 struct sfc_dp_txq *dp_txq = queue; 1127 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1128 1129 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1130 } 1131 1132 static int 1133 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1134 { 1135 struct sfc_adapter *sa = dev->data->dev_private; 1136 int rc; 1137 1138 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1139 1140 sfc_adapter_lock(sa); 1141 1142 rc = EINVAL; 1143 if (sa->state != SFC_ADAPTER_STARTED) 1144 goto fail_not_started; 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_started: 1158 sfc_adapter_unlock(sa); 1159 SFC_ASSERT(rc > 0); 1160 return -rc; 1161 } 1162 1163 static int 1164 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1165 { 1166 struct sfc_adapter *sa = dev->data->dev_private; 1167 1168 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1169 1170 sfc_adapter_lock(sa); 1171 sfc_rx_qstop(sa, rx_queue_id); 1172 1173 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1174 1175 sfc_adapter_unlock(sa); 1176 1177 return 0; 1178 } 1179 1180 static int 1181 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1182 { 1183 struct sfc_adapter *sa = dev->data->dev_private; 1184 int rc; 1185 1186 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1187 1188 sfc_adapter_lock(sa); 1189 1190 rc = EINVAL; 1191 if (sa->state != SFC_ADAPTER_STARTED) 1192 goto fail_not_started; 1193 1194 rc = sfc_tx_qstart(sa, tx_queue_id); 1195 if (rc != 0) 1196 goto fail_tx_qstart; 1197 1198 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1199 1200 sfc_adapter_unlock(sa); 1201 return 0; 1202 1203 fail_tx_qstart: 1204 1205 fail_not_started: 1206 sfc_adapter_unlock(sa); 1207 SFC_ASSERT(rc > 0); 1208 return -rc; 1209 } 1210 1211 static int 1212 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1213 { 1214 struct sfc_adapter *sa = dev->data->dev_private; 1215 1216 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1217 1218 sfc_adapter_lock(sa); 1219 1220 sfc_tx_qstop(sa, tx_queue_id); 1221 1222 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1223 1224 sfc_adapter_unlock(sa); 1225 return 0; 1226 } 1227 1228 static efx_tunnel_protocol_t 1229 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1230 { 1231 switch (rte_type) { 1232 case RTE_TUNNEL_TYPE_VXLAN: 1233 return EFX_TUNNEL_PROTOCOL_VXLAN; 1234 case RTE_TUNNEL_TYPE_GENEVE: 1235 return EFX_TUNNEL_PROTOCOL_GENEVE; 1236 default: 1237 return EFX_TUNNEL_NPROTOS; 1238 } 1239 } 1240 1241 enum sfc_udp_tunnel_op_e { 1242 SFC_UDP_TUNNEL_ADD_PORT, 1243 SFC_UDP_TUNNEL_DEL_PORT, 1244 }; 1245 1246 static int 1247 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1248 struct rte_eth_udp_tunnel *tunnel_udp, 1249 enum sfc_udp_tunnel_op_e op) 1250 { 1251 struct sfc_adapter *sa = dev->data->dev_private; 1252 efx_tunnel_protocol_t tunnel_proto; 1253 int rc; 1254 1255 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1256 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1257 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1258 tunnel_udp->udp_port, tunnel_udp->prot_type); 1259 1260 tunnel_proto = 1261 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1262 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1263 rc = ENOTSUP; 1264 goto fail_bad_proto; 1265 } 1266 1267 sfc_adapter_lock(sa); 1268 1269 switch (op) { 1270 case SFC_UDP_TUNNEL_ADD_PORT: 1271 rc = efx_tunnel_config_udp_add(sa->nic, 1272 tunnel_udp->udp_port, 1273 tunnel_proto); 1274 break; 1275 case SFC_UDP_TUNNEL_DEL_PORT: 1276 rc = efx_tunnel_config_udp_remove(sa->nic, 1277 tunnel_udp->udp_port, 1278 tunnel_proto); 1279 break; 1280 default: 1281 rc = EINVAL; 1282 goto fail_bad_op; 1283 } 1284 1285 if (rc != 0) 1286 goto fail_op; 1287 1288 if (sa->state == SFC_ADAPTER_STARTED) { 1289 rc = efx_tunnel_reconfigure(sa->nic); 1290 if (rc == EAGAIN) { 1291 /* 1292 * Configuration is accepted by FW and MC reboot 1293 * is initiated to apply the changes. MC reboot 1294 * will be handled in a usual way (MC reboot 1295 * event on management event queue and adapter 1296 * restart). 1297 */ 1298 rc = 0; 1299 } else if (rc != 0) { 1300 goto fail_reconfigure; 1301 } 1302 } 1303 1304 sfc_adapter_unlock(sa); 1305 return 0; 1306 1307 fail_reconfigure: 1308 /* Remove/restore entry since the change makes the trouble */ 1309 switch (op) { 1310 case SFC_UDP_TUNNEL_ADD_PORT: 1311 (void)efx_tunnel_config_udp_remove(sa->nic, 1312 tunnel_udp->udp_port, 1313 tunnel_proto); 1314 break; 1315 case SFC_UDP_TUNNEL_DEL_PORT: 1316 (void)efx_tunnel_config_udp_add(sa->nic, 1317 tunnel_udp->udp_port, 1318 tunnel_proto); 1319 break; 1320 } 1321 1322 fail_op: 1323 fail_bad_op: 1324 sfc_adapter_unlock(sa); 1325 1326 fail_bad_proto: 1327 SFC_ASSERT(rc > 0); 1328 return -rc; 1329 } 1330 1331 static int 1332 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1333 struct rte_eth_udp_tunnel *tunnel_udp) 1334 { 1335 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1336 } 1337 1338 static int 1339 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1340 struct rte_eth_udp_tunnel *tunnel_udp) 1341 { 1342 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1343 } 1344 1345 static int 1346 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1347 struct rte_eth_rss_conf *rss_conf) 1348 { 1349 struct sfc_adapter *sa = dev->data->dev_private; 1350 struct sfc_rss *rss = &sa->rss; 1351 struct sfc_port *port = &sa->port; 1352 1353 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || port->isolated) 1354 return -ENOTSUP; 1355 1356 if (rss->channels == 0) 1357 return -EINVAL; 1358 1359 sfc_adapter_lock(sa); 1360 1361 /* 1362 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1363 * hence, conversion is done here to derive a correct set of ETH_RSS 1364 * flags which corresponds to the active EFX configuration stored 1365 * locally in 'sfc_adapter' and kept up-to-date 1366 */ 1367 rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(sa, rss->hash_types); 1368 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1369 if (rss_conf->rss_key != NULL) 1370 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE); 1371 1372 sfc_adapter_unlock(sa); 1373 1374 return 0; 1375 } 1376 1377 static int 1378 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1379 struct rte_eth_rss_conf *rss_conf) 1380 { 1381 struct sfc_adapter *sa = dev->data->dev_private; 1382 struct sfc_rss *rss = &sa->rss; 1383 struct sfc_port *port = &sa->port; 1384 unsigned int efx_hash_types; 1385 int rc = 0; 1386 1387 if (port->isolated) 1388 return -ENOTSUP; 1389 1390 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { 1391 sfc_err(sa, "RSS is not available"); 1392 return -ENOTSUP; 1393 } 1394 1395 if (rss->channels == 0) { 1396 sfc_err(sa, "RSS is not configured"); 1397 return -EINVAL; 1398 } 1399 1400 if ((rss_conf->rss_key != NULL) && 1401 (rss_conf->rss_key_len != sizeof(rss->key))) { 1402 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1403 sizeof(rss->key)); 1404 return -EINVAL; 1405 } 1406 1407 sfc_adapter_lock(sa); 1408 1409 rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types); 1410 if (rc != 0) 1411 goto fail_rx_hf_rte_to_efx; 1412 1413 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1414 rss->hash_alg, efx_hash_types, B_TRUE); 1415 if (rc != 0) 1416 goto fail_scale_mode_set; 1417 1418 if (rss_conf->rss_key != NULL) { 1419 if (sa->state == SFC_ADAPTER_STARTED) { 1420 rc = efx_rx_scale_key_set(sa->nic, 1421 EFX_RSS_CONTEXT_DEFAULT, 1422 rss_conf->rss_key, 1423 sizeof(rss->key)); 1424 if (rc != 0) 1425 goto fail_scale_key_set; 1426 } 1427 1428 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key)); 1429 } 1430 1431 rss->hash_types = efx_hash_types; 1432 1433 sfc_adapter_unlock(sa); 1434 1435 return 0; 1436 1437 fail_scale_key_set: 1438 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1439 EFX_RX_HASHALG_TOEPLITZ, 1440 rss->hash_types, B_TRUE) != 0) 1441 sfc_err(sa, "failed to restore RSS mode"); 1442 1443 fail_scale_mode_set: 1444 fail_rx_hf_rte_to_efx: 1445 sfc_adapter_unlock(sa); 1446 return -rc; 1447 } 1448 1449 static int 1450 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1451 struct rte_eth_rss_reta_entry64 *reta_conf, 1452 uint16_t reta_size) 1453 { 1454 struct sfc_adapter *sa = dev->data->dev_private; 1455 struct sfc_rss *rss = &sa->rss; 1456 struct sfc_port *port = &sa->port; 1457 int entry; 1458 1459 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || port->isolated) 1460 return -ENOTSUP; 1461 1462 if (rss->channels == 0) 1463 return -EINVAL; 1464 1465 if (reta_size != EFX_RSS_TBL_SIZE) 1466 return -EINVAL; 1467 1468 sfc_adapter_lock(sa); 1469 1470 for (entry = 0; entry < reta_size; entry++) { 1471 int grp = entry / RTE_RETA_GROUP_SIZE; 1472 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1473 1474 if ((reta_conf[grp].mask >> grp_idx) & 1) 1475 reta_conf[grp].reta[grp_idx] = rss->tbl[entry]; 1476 } 1477 1478 sfc_adapter_unlock(sa); 1479 1480 return 0; 1481 } 1482 1483 static int 1484 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1485 struct rte_eth_rss_reta_entry64 *reta_conf, 1486 uint16_t reta_size) 1487 { 1488 struct sfc_adapter *sa = dev->data->dev_private; 1489 struct sfc_rss *rss = &sa->rss; 1490 struct sfc_port *port = &sa->port; 1491 unsigned int *rss_tbl_new; 1492 uint16_t entry; 1493 int rc = 0; 1494 1495 1496 if (port->isolated) 1497 return -ENOTSUP; 1498 1499 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { 1500 sfc_err(sa, "RSS is not available"); 1501 return -ENOTSUP; 1502 } 1503 1504 if (rss->channels == 0) { 1505 sfc_err(sa, "RSS is not configured"); 1506 return -EINVAL; 1507 } 1508 1509 if (reta_size != EFX_RSS_TBL_SIZE) { 1510 sfc_err(sa, "RETA size is wrong (should be %u)", 1511 EFX_RSS_TBL_SIZE); 1512 return -EINVAL; 1513 } 1514 1515 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0); 1516 if (rss_tbl_new == NULL) 1517 return -ENOMEM; 1518 1519 sfc_adapter_lock(sa); 1520 1521 rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl)); 1522 1523 for (entry = 0; entry < reta_size; entry++) { 1524 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1525 struct rte_eth_rss_reta_entry64 *grp; 1526 1527 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1528 1529 if (grp->mask & (1ull << grp_idx)) { 1530 if (grp->reta[grp_idx] >= rss->channels) { 1531 rc = EINVAL; 1532 goto bad_reta_entry; 1533 } 1534 rss_tbl_new[entry] = grp->reta[grp_idx]; 1535 } 1536 } 1537 1538 if (sa->state == SFC_ADAPTER_STARTED) { 1539 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1540 rss_tbl_new, EFX_RSS_TBL_SIZE); 1541 if (rc != 0) 1542 goto fail_scale_tbl_set; 1543 } 1544 1545 rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl)); 1546 1547 fail_scale_tbl_set: 1548 bad_reta_entry: 1549 sfc_adapter_unlock(sa); 1550 1551 rte_free(rss_tbl_new); 1552 1553 SFC_ASSERT(rc >= 0); 1554 return -rc; 1555 } 1556 1557 static int 1558 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1559 enum rte_filter_op filter_op, 1560 void *arg) 1561 { 1562 struct sfc_adapter *sa = dev->data->dev_private; 1563 int rc = ENOTSUP; 1564 1565 sfc_log_init(sa, "entry"); 1566 1567 switch (filter_type) { 1568 case RTE_ETH_FILTER_NONE: 1569 sfc_err(sa, "Global filters configuration not supported"); 1570 break; 1571 case RTE_ETH_FILTER_MACVLAN: 1572 sfc_err(sa, "MACVLAN filters not supported"); 1573 break; 1574 case RTE_ETH_FILTER_ETHERTYPE: 1575 sfc_err(sa, "EtherType filters not supported"); 1576 break; 1577 case RTE_ETH_FILTER_FLEXIBLE: 1578 sfc_err(sa, "Flexible filters not supported"); 1579 break; 1580 case RTE_ETH_FILTER_SYN: 1581 sfc_err(sa, "SYN filters not supported"); 1582 break; 1583 case RTE_ETH_FILTER_NTUPLE: 1584 sfc_err(sa, "NTUPLE filters not supported"); 1585 break; 1586 case RTE_ETH_FILTER_TUNNEL: 1587 sfc_err(sa, "Tunnel filters not supported"); 1588 break; 1589 case RTE_ETH_FILTER_FDIR: 1590 sfc_err(sa, "Flow Director filters not supported"); 1591 break; 1592 case RTE_ETH_FILTER_HASH: 1593 sfc_err(sa, "Hash filters not supported"); 1594 break; 1595 case RTE_ETH_FILTER_GENERIC: 1596 if (filter_op != RTE_ETH_FILTER_GET) { 1597 rc = EINVAL; 1598 } else { 1599 *(const void **)arg = &sfc_flow_ops; 1600 rc = 0; 1601 } 1602 break; 1603 default: 1604 sfc_err(sa, "Unknown filter type %u", filter_type); 1605 break; 1606 } 1607 1608 sfc_log_init(sa, "exit: %d", -rc); 1609 SFC_ASSERT(rc >= 0); 1610 return -rc; 1611 } 1612 1613 static int 1614 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool) 1615 { 1616 struct sfc_adapter *sa = dev->data->dev_private; 1617 1618 /* 1619 * If Rx datapath does not provide callback to check mempool, 1620 * all pools are supported. 1621 */ 1622 if (sa->dp_rx->pool_ops_supported == NULL) 1623 return 1; 1624 1625 return sa->dp_rx->pool_ops_supported(pool); 1626 } 1627 1628 static const struct eth_dev_ops sfc_eth_dev_ops = { 1629 .dev_configure = sfc_dev_configure, 1630 .dev_start = sfc_dev_start, 1631 .dev_stop = sfc_dev_stop, 1632 .dev_set_link_up = sfc_dev_set_link_up, 1633 .dev_set_link_down = sfc_dev_set_link_down, 1634 .dev_close = sfc_dev_close, 1635 .promiscuous_enable = sfc_dev_promisc_enable, 1636 .promiscuous_disable = sfc_dev_promisc_disable, 1637 .allmulticast_enable = sfc_dev_allmulti_enable, 1638 .allmulticast_disable = sfc_dev_allmulti_disable, 1639 .link_update = sfc_dev_link_update, 1640 .stats_get = sfc_stats_get, 1641 .stats_reset = sfc_stats_reset, 1642 .xstats_get = sfc_xstats_get, 1643 .xstats_reset = sfc_stats_reset, 1644 .xstats_get_names = sfc_xstats_get_names, 1645 .dev_infos_get = sfc_dev_infos_get, 1646 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1647 .mtu_set = sfc_dev_set_mtu, 1648 .rx_queue_start = sfc_rx_queue_start, 1649 .rx_queue_stop = sfc_rx_queue_stop, 1650 .tx_queue_start = sfc_tx_queue_start, 1651 .tx_queue_stop = sfc_tx_queue_stop, 1652 .rx_queue_setup = sfc_rx_queue_setup, 1653 .rx_queue_release = sfc_rx_queue_release, 1654 .rx_queue_count = sfc_rx_queue_count, 1655 .rx_descriptor_done = sfc_rx_descriptor_done, 1656 .rx_descriptor_status = sfc_rx_descriptor_status, 1657 .tx_descriptor_status = sfc_tx_descriptor_status, 1658 .tx_queue_setup = sfc_tx_queue_setup, 1659 .tx_queue_release = sfc_tx_queue_release, 1660 .flow_ctrl_get = sfc_flow_ctrl_get, 1661 .flow_ctrl_set = sfc_flow_ctrl_set, 1662 .mac_addr_set = sfc_mac_addr_set, 1663 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1664 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1665 .reta_update = sfc_dev_rss_reta_update, 1666 .reta_query = sfc_dev_rss_reta_query, 1667 .rss_hash_update = sfc_dev_rss_hash_update, 1668 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1669 .filter_ctrl = sfc_dev_filter_ctrl, 1670 .set_mc_addr_list = sfc_set_mc_addr_list, 1671 .rxq_info_get = sfc_rx_queue_info_get, 1672 .txq_info_get = sfc_tx_queue_info_get, 1673 .fw_version_get = sfc_fw_version_get, 1674 .xstats_get_by_id = sfc_xstats_get_by_id, 1675 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1676 .pool_ops_supported = sfc_pool_ops_supported, 1677 }; 1678 1679 /** 1680 * Duplicate a string in potentially shared memory required for 1681 * multi-process support. 1682 * 1683 * strdup() allocates from process-local heap/memory. 1684 */ 1685 static char * 1686 sfc_strdup(const char *str) 1687 { 1688 size_t size; 1689 char *copy; 1690 1691 if (str == NULL) 1692 return NULL; 1693 1694 size = strlen(str) + 1; 1695 copy = rte_malloc(__func__, size, 0); 1696 if (copy != NULL) 1697 rte_memcpy(copy, str, size); 1698 1699 return copy; 1700 } 1701 1702 static int 1703 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1704 { 1705 struct sfc_adapter *sa = dev->data->dev_private; 1706 const efx_nic_cfg_t *encp; 1707 unsigned int avail_caps = 0; 1708 const char *rx_name = NULL; 1709 const char *tx_name = NULL; 1710 int rc; 1711 1712 switch (sa->family) { 1713 case EFX_FAMILY_HUNTINGTON: 1714 case EFX_FAMILY_MEDFORD: 1715 case EFX_FAMILY_MEDFORD2: 1716 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1717 break; 1718 default: 1719 break; 1720 } 1721 1722 encp = efx_nic_cfg_get(sa->nic); 1723 if (encp->enc_rx_es_super_buffer_supported) 1724 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER; 1725 1726 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1727 sfc_kvarg_string_handler, &rx_name); 1728 if (rc != 0) 1729 goto fail_kvarg_rx_datapath; 1730 1731 if (rx_name != NULL) { 1732 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1733 if (sa->dp_rx == NULL) { 1734 sfc_err(sa, "Rx datapath %s not found", rx_name); 1735 rc = ENOENT; 1736 goto fail_dp_rx; 1737 } 1738 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1739 sfc_err(sa, 1740 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1741 rx_name); 1742 rc = EINVAL; 1743 goto fail_dp_rx_caps; 1744 } 1745 } else { 1746 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1747 if (sa->dp_rx == NULL) { 1748 sfc_err(sa, "Rx datapath by caps %#x not found", 1749 avail_caps); 1750 rc = ENOENT; 1751 goto fail_dp_rx; 1752 } 1753 } 1754 1755 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1756 if (sa->dp_rx_name == NULL) { 1757 rc = ENOMEM; 1758 goto fail_dp_rx_name; 1759 } 1760 1761 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name); 1762 1763 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1764 1765 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1766 sfc_kvarg_string_handler, &tx_name); 1767 if (rc != 0) 1768 goto fail_kvarg_tx_datapath; 1769 1770 if (tx_name != NULL) { 1771 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1772 if (sa->dp_tx == NULL) { 1773 sfc_err(sa, "Tx datapath %s not found", tx_name); 1774 rc = ENOENT; 1775 goto fail_dp_tx; 1776 } 1777 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1778 sfc_err(sa, 1779 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1780 tx_name); 1781 rc = EINVAL; 1782 goto fail_dp_tx_caps; 1783 } 1784 } else { 1785 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1786 if (sa->dp_tx == NULL) { 1787 sfc_err(sa, "Tx datapath by caps %#x not found", 1788 avail_caps); 1789 rc = ENOENT; 1790 goto fail_dp_tx; 1791 } 1792 } 1793 1794 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1795 if (sa->dp_tx_name == NULL) { 1796 rc = ENOMEM; 1797 goto fail_dp_tx_name; 1798 } 1799 1800 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name); 1801 1802 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1803 1804 dev->dev_ops = &sfc_eth_dev_ops; 1805 1806 return 0; 1807 1808 fail_dp_tx_name: 1809 fail_dp_tx_caps: 1810 sa->dp_tx = NULL; 1811 1812 fail_dp_tx: 1813 fail_kvarg_tx_datapath: 1814 rte_free(sa->dp_rx_name); 1815 sa->dp_rx_name = NULL; 1816 1817 fail_dp_rx_name: 1818 fail_dp_rx_caps: 1819 sa->dp_rx = NULL; 1820 1821 fail_dp_rx: 1822 fail_kvarg_rx_datapath: 1823 return rc; 1824 } 1825 1826 static void 1827 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1828 { 1829 struct sfc_adapter *sa = dev->data->dev_private; 1830 1831 dev->dev_ops = NULL; 1832 dev->rx_pkt_burst = NULL; 1833 dev->tx_pkt_burst = NULL; 1834 1835 rte_free(sa->dp_tx_name); 1836 sa->dp_tx_name = NULL; 1837 sa->dp_tx = NULL; 1838 1839 rte_free(sa->dp_rx_name); 1840 sa->dp_rx_name = NULL; 1841 sa->dp_rx = NULL; 1842 } 1843 1844 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1845 .rxq_info_get = sfc_rx_queue_info_get, 1846 .txq_info_get = sfc_tx_queue_info_get, 1847 }; 1848 1849 static int 1850 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1851 { 1852 /* 1853 * Device private data has really many process-local pointers. 1854 * Below code should be extremely careful to use data located 1855 * in shared memory only. 1856 */ 1857 struct sfc_adapter *sa = dev->data->dev_private; 1858 const struct sfc_dp_rx *dp_rx; 1859 const struct sfc_dp_tx *dp_tx; 1860 int rc; 1861 1862 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1863 if (dp_rx == NULL) { 1864 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1865 rc = ENOENT; 1866 goto fail_dp_rx; 1867 } 1868 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1869 sfc_err(sa, "%s Rx datapath does not support multi-process", 1870 sa->dp_tx_name); 1871 rc = EINVAL; 1872 goto fail_dp_rx_multi_process; 1873 } 1874 1875 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1876 if (dp_tx == NULL) { 1877 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1878 rc = ENOENT; 1879 goto fail_dp_tx; 1880 } 1881 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1882 sfc_err(sa, "%s Tx datapath does not support multi-process", 1883 sa->dp_tx_name); 1884 rc = EINVAL; 1885 goto fail_dp_tx_multi_process; 1886 } 1887 1888 dev->rx_pkt_burst = dp_rx->pkt_burst; 1889 dev->tx_pkt_burst = dp_tx->pkt_burst; 1890 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1891 1892 return 0; 1893 1894 fail_dp_tx_multi_process: 1895 fail_dp_tx: 1896 fail_dp_rx_multi_process: 1897 fail_dp_rx: 1898 return rc; 1899 } 1900 1901 static void 1902 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1903 { 1904 dev->dev_ops = NULL; 1905 dev->tx_pkt_burst = NULL; 1906 dev->rx_pkt_burst = NULL; 1907 } 1908 1909 static void 1910 sfc_register_dp(void) 1911 { 1912 /* Register once */ 1913 if (TAILQ_EMPTY(&sfc_dp_head)) { 1914 /* Prefer EF10 datapath */ 1915 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp); 1916 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1917 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1918 1919 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1920 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1921 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1922 } 1923 } 1924 1925 static int 1926 sfc_eth_dev_init(struct rte_eth_dev *dev) 1927 { 1928 struct sfc_adapter *sa = dev->data->dev_private; 1929 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1930 int rc; 1931 const efx_nic_cfg_t *encp; 1932 const struct ether_addr *from; 1933 1934 sfc_register_dp(); 1935 1936 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1937 return -sfc_eth_dev_secondary_set_ops(dev); 1938 1939 /* Required for logging */ 1940 sa->pci_addr = pci_dev->addr; 1941 sa->port_id = dev->data->port_id; 1942 1943 sa->eth_dev = dev; 1944 1945 /* Copy PCI device info to the dev->data */ 1946 rte_eth_copy_pci_info(dev, pci_dev); 1947 1948 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR, 1949 RTE_LOG_NOTICE); 1950 1951 rc = sfc_kvargs_parse(sa); 1952 if (rc != 0) 1953 goto fail_kvargs_parse; 1954 1955 sfc_log_init(sa, "entry"); 1956 1957 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1958 if (dev->data->mac_addrs == NULL) { 1959 rc = ENOMEM; 1960 goto fail_mac_addrs; 1961 } 1962 1963 sfc_adapter_lock_init(sa); 1964 sfc_adapter_lock(sa); 1965 1966 sfc_log_init(sa, "probing"); 1967 rc = sfc_probe(sa); 1968 if (rc != 0) 1969 goto fail_probe; 1970 1971 sfc_log_init(sa, "set device ops"); 1972 rc = sfc_eth_dev_set_ops(dev); 1973 if (rc != 0) 1974 goto fail_set_ops; 1975 1976 sfc_log_init(sa, "attaching"); 1977 rc = sfc_attach(sa); 1978 if (rc != 0) 1979 goto fail_attach; 1980 1981 encp = efx_nic_cfg_get(sa->nic); 1982 1983 /* 1984 * The arguments are really reverse order in comparison to 1985 * Linux kernel. Copy from NIC config to Ethernet device data. 1986 */ 1987 from = (const struct ether_addr *)(encp->enc_mac_addr); 1988 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1989 1990 sfc_adapter_unlock(sa); 1991 1992 sfc_log_init(sa, "done"); 1993 return 0; 1994 1995 fail_attach: 1996 sfc_eth_dev_clear_ops(dev); 1997 1998 fail_set_ops: 1999 sfc_unprobe(sa); 2000 2001 fail_probe: 2002 sfc_adapter_unlock(sa); 2003 sfc_adapter_lock_fini(sa); 2004 rte_free(dev->data->mac_addrs); 2005 dev->data->mac_addrs = NULL; 2006 2007 fail_mac_addrs: 2008 sfc_kvargs_cleanup(sa); 2009 2010 fail_kvargs_parse: 2011 sfc_log_init(sa, "failed %d", rc); 2012 SFC_ASSERT(rc > 0); 2013 return -rc; 2014 } 2015 2016 static int 2017 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 2018 { 2019 struct sfc_adapter *sa; 2020 2021 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2022 sfc_eth_dev_secondary_clear_ops(dev); 2023 return 0; 2024 } 2025 2026 sa = dev->data->dev_private; 2027 sfc_log_init(sa, "entry"); 2028 2029 sfc_adapter_lock(sa); 2030 2031 sfc_eth_dev_clear_ops(dev); 2032 2033 sfc_detach(sa); 2034 sfc_unprobe(sa); 2035 2036 rte_free(dev->data->mac_addrs); 2037 dev->data->mac_addrs = NULL; 2038 2039 sfc_kvargs_cleanup(sa); 2040 2041 sfc_adapter_unlock(sa); 2042 sfc_adapter_lock_fini(sa); 2043 2044 sfc_log_init(sa, "done"); 2045 2046 /* Required for logging, so cleanup last */ 2047 sa->eth_dev = NULL; 2048 return 0; 2049 } 2050 2051 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2052 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2053 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2054 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2055 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2056 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2057 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2058 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) }, 2059 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) }, 2060 { .vendor_id = 0 /* sentinel */ } 2061 }; 2062 2063 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2064 struct rte_pci_device *pci_dev) 2065 { 2066 return rte_eth_dev_pci_generic_probe(pci_dev, 2067 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2068 } 2069 2070 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2071 { 2072 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2073 } 2074 2075 static struct rte_pci_driver sfc_efx_pmd = { 2076 .id_table = pci_id_sfc_efx_map, 2077 .drv_flags = 2078 RTE_PCI_DRV_INTR_LSC | 2079 RTE_PCI_DRV_NEED_MAPPING, 2080 .probe = sfc_eth_dev_pci_probe, 2081 .remove = sfc_eth_dev_pci_remove, 2082 }; 2083 2084 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2085 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2086 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2087 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2088 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2089 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2090 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2091 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " " 2092 SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> " 2093 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>"); 2094 2095 RTE_INIT(sfc_driver_register_logtype) 2096 { 2097 int ret; 2098 2099 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", 2100 RTE_LOG_NOTICE); 2101 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; 2102 } 2103